diff options
Diffstat (limited to 'security/nss/lib/softoken/legacydb')
26 files changed, 16693 insertions, 0 deletions
diff --git a/security/nss/lib/softoken/legacydb/Makefile b/security/nss/lib/softoken/legacydb/Makefile new file mode 100644 index 000000000..b7e94cae3 --- /dev/null +++ b/security/nss/lib/softoken/legacydb/Makefile @@ -0,0 +1,62 @@ +#! gmake +# +# This Source Code Form is subject to the terms of the Mozilla Public +# License, v. 2.0. If a copy of the MPL was not distributed with this +# file, You can obtain one at http://mozilla.org/MPL/2.0/. + +####################################################################### +# (1) Include initial platform-independent assignments (MANDATORY). # +####################################################################### + +include manifest.mn + +####################################################################### +# (2) Include "global" configuration information. (OPTIONAL) # +####################################################################### + +include $(CORE_DEPTH)/coreconf/config.mk + +####################################################################### +# (3) Include "component" configuration information. (OPTIONAL) # +####################################################################### + +ifdef NSS_NO_INIT_SUPPORT + DEFINES += -DNSS_NO_INIT_SUPPORT +endif +ifeq ($(OS_TARGET),Linux) +ifeq ($(CPU_ARCH),ppc) +ifdef USE_64 + DEFINES += -DNSS_NO_INIT_SUPPORT +endif # USE_64 +endif # ppc +else # !Linux + # turn off no init support everywhere for now + DEFINES += -DNSS_NO_INIT_SUPPORT +endif # Linux + +####################################################################### +# (4) Include "local" platform-dependent assignments (OPTIONAL). # +####################################################################### + +include config.mk + +####################################################################### +# (5) Execute "global" rules. (OPTIONAL) # +####################################################################### + +include $(CORE_DEPTH)/coreconf/rules.mk + +####################################################################### +# (6) Execute "component" rules. (OPTIONAL) # +####################################################################### + + + +####################################################################### +# (7) Execute "local" rules. (OPTIONAL). # +####################################################################### + +export:: private_export + +# indicates dependency on freebl static lib +$(SHARED_LIBRARY): $(CRYPTOLIB) diff --git a/security/nss/lib/softoken/legacydb/cdbhdl.h b/security/nss/lib/softoken/legacydb/cdbhdl.h new file mode 100644 index 000000000..e7243db77 --- /dev/null +++ b/security/nss/lib/softoken/legacydb/cdbhdl.h @@ -0,0 +1,51 @@ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ +/* + * cdbhdl.h - certificate database handle + * private to the certdb module + */ +#ifndef _CDBHDL_H_ +#define _CDBHDL_H_ + +#include "nspr.h" +#include "mcom_db.h" +#include "pcertt.h" +#include "prtypes.h" + +/* + * Handle structure for open certificate databases + */ +struct NSSLOWCERTCertDBHandleStr { + DB *permCertDB; + PZMonitor *dbMon; + PRBool dbVerify; + PRInt32 ref; /* reference count */ +}; + +#ifdef DBM_USING_NSPR +#define NO_RDONLY PR_RDONLY +#define NO_RDWR PR_RDWR +#define NO_CREATE (PR_RDWR | PR_CREATE_FILE | PR_TRUNCATE) +#else +#define NO_RDONLY O_RDONLY +#define NO_RDWR O_RDWR +#define NO_CREATE (O_RDWR | O_CREAT | O_TRUNC) +#endif + +typedef DB *(*rdbfunc)(const char *appName, const char *prefix, + const char *type, int flags); +typedef int (*rdbstatusfunc)(void); + +#define RDB_FAIL 1 +#define RDB_RETRY 2 + +DB *rdbopen(const char *appName, const char *prefix, + const char *type, int flags, int *status); + +DB *dbsopen(const char *dbname, int flags, int mode, DBTYPE type, + const void *appData); +SECStatus db_Copy(DB *dest, DB *src); +int db_InitComplete(DB *db); + +#endif diff --git a/security/nss/lib/softoken/legacydb/config.mk b/security/nss/lib/softoken/legacydb/config.mk new file mode 100644 index 000000000..ac7240e4b --- /dev/null +++ b/security/nss/lib/softoken/legacydb/config.mk @@ -0,0 +1,57 @@ +# +# This Source Code Form is subject to the terms of the Mozilla Public +# License, v. 2.0. If a copy of the MPL was not distributed with this +# file, You can obtain one at http://mozilla.org/MPL/2.0/. + +# $(PROGRAM) has explicit dependencies on $(EXTRA_LIBS) +CRYPTOLIB=$(DIST)/lib/$(LIB_PREFIX)freebl.$(LIB_SUFFIX) + +EXTRA_LIBS += \ + $(CRYPTOLIB) \ + $(DIST)/lib/$(LIB_PREFIX)dbm.$(LIB_SUFFIX) \ + $(NULL) + +# can't do this in manifest.mn because OS_TARGET isn't defined there. +ifeq (,$(filter-out WIN%,$(OS_TARGET))) + +# don't want the 32 in the shared library name +SHARED_LIBRARY = $(OBJDIR)/$(DLL_PREFIX)$(LIBRARY_NAME)$(LIBRARY_VERSION).$(DLL_SUFFIX) +IMPORT_LIBRARY = $(OBJDIR)/$(IMPORT_LIB_PREFIX)$(LIBRARY_NAME)$(LIBRARY_VERSION)$(IMPORT_LIB_SUFFIX) + +RES = $(OBJDIR)/$(LIBRARY_NAME).res +RESNAME = $(LIBRARY_NAME).rc + +ifdef NS_USE_GCC +EXTRA_SHARED_LIBS += \ + -L$(DIST)/lib \ + -L$(NSSUTIL_LIB_DIR) \ + -lnssutil3 \ + -L$(NSPR_LIB_DIR) \ + -lplc4 \ + -lplds4 \ + -lnspr4 \ + $(NULL) +else # ! NS_USE_GCC + +EXTRA_SHARED_LIBS += \ + $(NSPR_LIB_DIR)/$(NSPR31_LIB_PREFIX)plc4.lib \ + $(NSPR_LIB_DIR)/$(NSPR31_LIB_PREFIX)plds4.lib \ + $(NSPR_LIB_DIR)/$(NSPR31_LIB_PREFIX)nspr4.lib \ + $(DIST)/lib/nssutil3.lib \ + $(NULL) +endif # NS_USE_GCC + +else + +# $(PROGRAM) has NO explicit dependencies on $(EXTRA_SHARED_LIBS) +# $(EXTRA_SHARED_LIBS) come before $(OS_LIBS), except on AIX. +EXTRA_SHARED_LIBS += \ + -L$(DIST)/lib \ + -L$(NSSUTIL_LIB_DIR) \ + -lnssutil3 \ + -L$(NSPR_LIB_DIR) \ + -lplc4 \ + -lplds4 \ + -lnspr4 \ + $(NULL) +endif diff --git a/security/nss/lib/softoken/legacydb/dbmshim.c b/security/nss/lib/softoken/legacydb/dbmshim.c new file mode 100644 index 000000000..ae498faea --- /dev/null +++ b/security/nss/lib/softoken/legacydb/dbmshim.c @@ -0,0 +1,600 @@ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +/* + * Berkeley DB 1.85 Shim code to handle blobs. + */ +#include "mcom_db.h" +#include "secitem.h" +#include "nssb64.h" +#include "blapi.h" +#include "secerr.h" + +#include "lgdb.h" + +/* + * Blob block: + * Byte 0 CERTDB Version -+ -+ + * Byte 1 certDBEntryTypeBlob | BLOB_HEAD_LEN | + * Byte 2 flags (always '0'); | | + * Byte 3 reserved (always '0'); -+ | + * Byte 4 LSB length | <--BLOB_LENGTH_START | BLOB_BUF_LEN + * Byte 5 . | | + * Byte 6 . | BLOB_LENGTH_LEN | + * Byte 7 MSB length | | + * Byte 8 blob_filename -+ -+ <-- BLOB_NAME_START | + * Byte 9 . | BLOB_NAME_LEN | + * . . | | + * Byte 37 . -+ -+ + */ +#define DBS_BLOCK_SIZE (16 * 1024) /* 16 k */ +#define DBS_MAX_ENTRY_SIZE (DBS_BLOCK_SIZE - (2048)) /* 14 k */ +#define DBS_CACHE_SIZE DBS_BLOCK_SIZE * 8 +#define ROUNDDIV(x, y) (x + (y - 1)) / y +#define BLOB_HEAD_LEN 4 +#define BLOB_LENGTH_START BLOB_HEAD_LEN +#define BLOB_LENGTH_LEN 4 +#define BLOB_NAME_START BLOB_LENGTH_START + BLOB_LENGTH_LEN +#define BLOB_NAME_LEN 1 + ROUNDDIV(SHA1_LENGTH, 3) * 4 + 1 +#define BLOB_BUF_LEN BLOB_HEAD_LEN + BLOB_LENGTH_LEN + BLOB_NAME_LEN + +/* a Shim data structure. This data structure has a db built into it. */ +typedef struct DBSStr DBS; + +struct DBSStr { + DB db; + char *blobdir; + int mode; + PRBool readOnly; + PRFileMap *dbs_mapfile; + unsigned char *dbs_addr; + PRUint32 dbs_len; + char staticBlobArea[BLOB_BUF_LEN]; +}; + +/* + * return true if the Datablock contains a blobtype + */ +static PRBool +dbs_IsBlob(DBT *blobData) +{ + unsigned char *addr = (unsigned char *)blobData->data; + if (blobData->size < BLOB_BUF_LEN) { + return PR_FALSE; + } + return addr && ((certDBEntryType)addr[1] == certDBEntryTypeBlob); +} + +/* + * extract the filename in the blob of the real data set. + * This value is not malloced (does not need to be freed by the caller. + */ +static const char * +dbs_getBlobFileName(DBT *blobData) +{ + char *addr = (char *)blobData->data; + + return &addr[BLOB_NAME_START]; +} + +/* + * extract the size of the actual blob from the blob record + */ +static PRUint32 +dbs_getBlobSize(DBT *blobData) +{ + unsigned char *addr = (unsigned char *)blobData->data; + + return (PRUint32)(addr[BLOB_LENGTH_START + 3] << 24) | + (addr[BLOB_LENGTH_START + 2] << 16) | + (addr[BLOB_LENGTH_START + 1] << 8) | + addr[BLOB_LENGTH_START]; +} + +/* We are using base64 data for the filename, but base64 data can include a + * '/' which is interpreted as a path separator on many platforms. Replace it + * with an inocuous '-'. We don't need to convert back because we never actual + * decode the filename. + */ + +static void +dbs_replaceSlash(char *cp, int len) +{ + while (len--) { + if (*cp == '/') + *cp = '-'; + cp++; + } +} + +/* + * create a blob record from a key, data and return it in blobData. + * NOTE: The data element is static data (keeping with the dbm model). + */ +static void +dbs_mkBlob(DBS *dbsp, const DBT *key, const DBT *data, DBT *blobData) +{ + unsigned char sha1_data[SHA1_LENGTH]; + char *b = dbsp->staticBlobArea; + PRUint32 length = data->size; + SECItem sha1Item; + + b[0] = CERT_DB_FILE_VERSION; /* certdb version number */ + b[1] = (char)certDBEntryTypeBlob; /* type */ + b[2] = 0; /* flags */ + b[3] = 0; /* reserved */ + b[BLOB_LENGTH_START] = length & 0xff; + b[BLOB_LENGTH_START + 1] = (length >> 8) & 0xff; + b[BLOB_LENGTH_START + 2] = (length >> 16) & 0xff; + b[BLOB_LENGTH_START + 3] = (length >> 24) & 0xff; + sha1Item.data = sha1_data; + sha1Item.len = SHA1_LENGTH; + SHA1_HashBuf(sha1_data, key->data, key->size); + b[BLOB_NAME_START] = 'b'; /* Make sure we start with a alpha */ + NSSBase64_EncodeItem(NULL, &b[BLOB_NAME_START + 1], BLOB_NAME_LEN - 1, &sha1Item); + b[BLOB_BUF_LEN - 1] = 0; + dbs_replaceSlash(&b[BLOB_NAME_START + 1], BLOB_NAME_LEN - 1); + blobData->data = b; + blobData->size = BLOB_BUF_LEN; + return; +} + +/* + * construct a path to the actual blob. The string returned must be + * freed by the caller with PR_smprintf_free. + * + * Note: this file does lots of consistancy checks on the DBT. The + * routines that call this depend on these checks, so they don't worry + * about them (success of this routine implies a good blobdata record). + */ +static char * +dbs_getBlobFilePath(char *blobdir, DBT *blobData) +{ + const char *name; + + if (blobdir == NULL) { + PR_SetError(SEC_ERROR_BAD_DATABASE, 0); + return NULL; + } + if (!dbs_IsBlob(blobData)) { + PR_SetError(SEC_ERROR_BAD_DATABASE, 0); + return NULL; + } + name = dbs_getBlobFileName(blobData); + if (!name || *name == 0) { + PR_SetError(SEC_ERROR_BAD_DATABASE, 0); + return NULL; + } + return PR_smprintf("%s" PATH_SEPARATOR "%s", blobdir, name); +} + +/* + * Delete a blob file pointed to by the blob record. + */ +static void +dbs_removeBlob(DBS *dbsp, DBT *blobData) +{ + char *file; + + file = dbs_getBlobFilePath(dbsp->blobdir, blobData); + if (!file) { + return; + } + PR_Delete(file); + PR_smprintf_free(file); +} + +/* + * Directory modes are slightly different, the 'x' bit needs to be on to + * access them. Copy all the read bits to 'x' bits + */ +static int +dbs_DirMode(int mode) +{ + int x_bits = (mode >> 2) & 0111; + return mode | x_bits; +} + +/* + * write a data blob to it's file. blobdData is the blob record that will be + * stored in the database. data is the actual data to go out on disk. + */ +static int +dbs_writeBlob(DBS *dbsp, int mode, DBT *blobData, const DBT *data) +{ + char *file = NULL; + PRFileDesc *filed; + PRStatus status; + int len; + int error = 0; + + file = dbs_getBlobFilePath(dbsp->blobdir, blobData); + if (!file) { + goto loser; + } + if (PR_Access(dbsp->blobdir, PR_ACCESS_EXISTS) != PR_SUCCESS) { + status = PR_MkDir(dbsp->blobdir, dbs_DirMode(mode)); + if (status != PR_SUCCESS) { + goto loser; + } + } + filed = PR_OpenFile(file, PR_CREATE_FILE | PR_TRUNCATE | PR_WRONLY, mode); + if (filed == NULL) { + error = PR_GetError(); + goto loser; + } + len = PR_Write(filed, data->data, data->size); + error = PR_GetError(); + PR_Close(filed); + if (len < (int)data->size) { + goto loser; + } + PR_smprintf_free(file); + return 0; + +loser: + if (file) { + PR_Delete(file); + PR_smprintf_free(file); + } + /* don't let close or delete reset the error */ + PR_SetError(error, 0); + return -1; +} + +/* + * we need to keep a address map in memory between calls to DBM. + * remember what we have mapped can close it when we get another dbm + * call. + * + * NOTE: Not all platforms support mapped files. This code is designed to + * detect this at runtime. If map files aren't supported the OS will indicate + * this by failing the PR_Memmap call. In this case we emulate mapped files + * by just reading in the file into regular memory. We signal this state by + * making dbs_mapfile NULL and dbs_addr non-NULL. + */ + +static void +dbs_freemap(DBS *dbsp) +{ + if (dbsp->dbs_mapfile) { + PR_MemUnmap(dbsp->dbs_addr, dbsp->dbs_len); + PR_CloseFileMap(dbsp->dbs_mapfile); + dbsp->dbs_mapfile = NULL; + dbsp->dbs_addr = NULL; + dbsp->dbs_len = 0; + } else if (dbsp->dbs_addr) { + PORT_Free(dbsp->dbs_addr); + dbsp->dbs_addr = NULL; + dbsp->dbs_len = 0; + } + return; +} + +static void +dbs_setmap(DBS *dbsp, PRFileMap *mapfile, unsigned char *addr, PRUint32 len) +{ + dbsp->dbs_mapfile = mapfile; + dbsp->dbs_addr = addr; + dbsp->dbs_len = len; +} + +/* + * platforms that cannot map the file need to read it into a temp buffer. + */ +static unsigned char * +dbs_EmulateMap(PRFileDesc *filed, int len) +{ + unsigned char *addr; + PRInt32 dataRead; + + addr = PORT_Alloc(len); + if (addr == NULL) { + return NULL; + } + + dataRead = PR_Read(filed, addr, len); + if (dataRead != len) { + PORT_Free(addr); + if (dataRead > 0) { + /* PR_Read didn't set an error, we need to */ + PR_SetError(SEC_ERROR_BAD_DATABASE, 0); + } + return NULL; + } + + return addr; +} + +/* + * pull a database record off the disk + * data points to the blob record on input and the real record (if we could + * read it) on output. if there is an error data is not modified. + */ +static int +dbs_readBlob(DBS *dbsp, DBT *data) +{ + char *file = NULL; + PRFileDesc *filed = NULL; + PRFileMap *mapfile = NULL; + unsigned char *addr = NULL; + int error; + int len = -1; + + file = dbs_getBlobFilePath(dbsp->blobdir, data); + if (!file) { + goto loser; + } + filed = PR_OpenFile(file, PR_RDONLY, 0); + PR_smprintf_free(file); + file = NULL; + if (filed == NULL) { + goto loser; + } + + len = dbs_getBlobSize(data); + /* Bug 1323150 + * PR_MemMap fails on Windows for larger certificates. + * https://msdn.microsoft.com/en-us/library/windows/desktop/aa366761(v=vs.85).aspx + * Let's always use the emulated map, i.e. read the file. + */ + addr = dbs_EmulateMap(filed, len); + if (addr == NULL) { + goto loser; + } + PR_Close(filed); + dbs_setmap(dbsp, mapfile, addr, len); + + data->data = addr; + data->size = len; + return 0; + +loser: + /* preserve the error code */ + error = PR_GetError(); + if (mapfile) { + PR_CloseFileMap(mapfile); + } + if (filed) { + PR_Close(filed); + } + PR_SetError(error, 0); + return -1; +} + +/* + * actual DBM shims + */ +static int +dbs_get(const DB *dbs, const DBT *key, DBT *data, unsigned int flags) +{ + int ret; + DBS *dbsp = (DBS *)dbs; + DB *db = (DB *)dbs->internal; + + dbs_freemap(dbsp); + + ret = (*db->get)(db, key, data, flags); + if ((ret == 0) && dbs_IsBlob(data)) { + ret = dbs_readBlob(dbsp, data); + } + + return (ret); +} + +static int +dbs_put(const DB *dbs, DBT *key, const DBT *data, unsigned int flags) +{ + DBT blob; + int ret = 0; + DBS *dbsp = (DBS *)dbs; + DB *db = (DB *)dbs->internal; + + dbs_freemap(dbsp); + + /* If the db is readonly, just pass the data down to rdb and let it fail */ + if (!dbsp->readOnly) { + DBT oldData; + int ret1; + + /* make sure the current record is deleted if it's a blob */ + ret1 = (*db->get)(db, key, &oldData, 0); + if ((ret1 == 0) && flags == R_NOOVERWRITE) { + /* let DBM return the error to maintain consistancy */ + return (*db->put)(db, key, data, flags); + } + if ((ret1 == 0) && dbs_IsBlob(&oldData)) { + dbs_removeBlob(dbsp, &oldData); + } + + if (data->size > DBS_MAX_ENTRY_SIZE) { + dbs_mkBlob(dbsp, key, data, &blob); + ret = dbs_writeBlob(dbsp, dbsp->mode, &blob, data); + data = &blob; + } + } + + if (ret == 0) { + ret = (*db->put)(db, key, data, flags); + } + return (ret); +} + +static int +dbs_sync(const DB *dbs, unsigned int flags) +{ + DB *db = (DB *)dbs->internal; + DBS *dbsp = (DBS *)dbs; + + dbs_freemap(dbsp); + + return (*db->sync)(db, flags); +} + +static int +dbs_del(const DB *dbs, const DBT *key, unsigned int flags) +{ + int ret; + DBS *dbsp = (DBS *)dbs; + DB *db = (DB *)dbs->internal; + + dbs_freemap(dbsp); + + if (!dbsp->readOnly) { + DBT oldData; + ret = (*db->get)(db, key, &oldData, 0); + if ((ret == 0) && dbs_IsBlob(&oldData)) { + dbs_removeBlob(dbsp, &oldData); + } + } + + return (*db->del)(db, key, flags); +} + +static int +dbs_seq(const DB *dbs, DBT *key, DBT *data, unsigned int flags) +{ + int ret; + DBS *dbsp = (DBS *)dbs; + DB *db = (DB *)dbs->internal; + + dbs_freemap(dbsp); + + ret = (*db->seq)(db, key, data, flags); + if ((ret == 0) && dbs_IsBlob(data)) { + /* don't return a blob read as an error so traversals keep going */ + (void)dbs_readBlob(dbsp, data); + } + + return (ret); +} + +static int +dbs_close(DB *dbs) +{ + DBS *dbsp = (DBS *)dbs; + DB *db = (DB *)dbs->internal; + int ret; + + dbs_freemap(dbsp); + ret = (*db->close)(db); + PORT_Free(dbsp->blobdir); + PORT_Free(dbsp); + return ret; +} + +static int +dbs_fd(const DB *dbs) +{ + DB *db = (DB *)dbs->internal; + + return (*db->fd)(db); +} + +/* + * the naming convention we use is + * change the .xxx into .dir. (for nss it's always .db); + * if no .extension exists or is equal to .dir, add a .dir + * the returned data must be freed. + */ +#define DIRSUFFIX ".dir" +static char * +dbs_mkBlobDirName(const char *dbname) +{ + int dbname_len = PORT_Strlen(dbname); + int dbname_end = dbname_len; + const char *cp; + char *blobDir = NULL; + + /* scan back from the end looking for either a directory separator, a '.', + * or the end of the string. NOTE: Windows should check for both separators + * here. For now this is safe because we know NSS always uses a '.' + */ + for (cp = &dbname[dbname_len]; + (cp > dbname) && (*cp != '.') && (*cp != *PATH_SEPARATOR); + cp--) + /* Empty */; + if (*cp == '.') { + dbname_end = cp - dbname; + if (PORT_Strcmp(cp, DIRSUFFIX) == 0) { + dbname_end = dbname_len; + } + } + blobDir = PORT_ZAlloc(dbname_end + sizeof(DIRSUFFIX)); + if (blobDir == NULL) { + return NULL; + } + PORT_Memcpy(blobDir, dbname, dbname_end); + PORT_Memcpy(&blobDir[dbname_end], DIRSUFFIX, sizeof(DIRSUFFIX)); + return blobDir; +} + +#define DBM_DEFAULT 0 +static const HASHINFO dbs_hashInfo = { + DBS_BLOCK_SIZE, /* bucket size, must be greater than = to + * or maximum entry size (+ header) + * we allow before blobing */ + DBM_DEFAULT, /* Fill Factor */ + DBM_DEFAULT, /* number of elements */ + DBS_CACHE_SIZE, /* cache size */ + DBM_DEFAULT, /* hash function */ + DBM_DEFAULT, /* byte order */ +}; + +/* + * the open function. NOTE: this is the only exposed function in this file. + * everything else is called through the function table pointer. + */ +DB * +dbsopen(const char *dbname, int flags, int mode, DBTYPE type, + const void *userData) +{ + DB *db = NULL, *dbs = NULL; + DBS *dbsp = NULL; + + /* NOTE: we are overriding userData with dbs_hashInfo. since all known + * callers pass 0, this is ok, otherwise we should merge the two */ + + dbsp = (DBS *)PORT_ZAlloc(sizeof(DBS)); + if (!dbsp) { + return NULL; + } + dbs = &dbsp->db; + + dbsp->blobdir = dbs_mkBlobDirName(dbname); + if (dbsp->blobdir == NULL) { + goto loser; + } + dbsp->mode = mode; + dbsp->readOnly = (PRBool)(flags == NO_RDONLY); + dbsp->dbs_mapfile = NULL; + dbsp->dbs_addr = NULL; + dbsp->dbs_len = 0; + + /* the real dbm call */ + db = dbopen(dbname, flags, mode, type, &dbs_hashInfo); + if (db == NULL) { + goto loser; + } + dbs->internal = (void *)db; + dbs->type = type; + dbs->close = dbs_close; + dbs->get = dbs_get; + dbs->del = dbs_del; + dbs->put = dbs_put; + dbs->seq = dbs_seq; + dbs->sync = dbs_sync; + dbs->fd = dbs_fd; + + return dbs; +loser: + if (db) { + (*db->close)(db); + } + if (dbsp->blobdir) { + PORT_Free(dbsp->blobdir); + } + PORT_Free(dbsp); + return NULL; +} diff --git a/security/nss/lib/softoken/legacydb/keydb.c b/security/nss/lib/softoken/legacydb/keydb.c new file mode 100644 index 000000000..178e333ec --- /dev/null +++ b/security/nss/lib/softoken/legacydb/keydb.c @@ -0,0 +1,2250 @@ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#include "lowkeyi.h" +#include "secasn1.h" +#include "secder.h" +#include "secoid.h" +#include "blapi.h" +#include "secitem.h" +#include "pcert.h" +#include "mcom_db.h" +#include "secerr.h" + +#include "keydbi.h" +#include "lgdb.h" + +/* + * Record keys for keydb + */ +#define SALT_STRING "global-salt" +#define VERSION_STRING "Version" +#define KEYDB_PW_CHECK_STRING "password-check" +#define KEYDB_PW_CHECK_LEN 14 +#define KEYDB_FAKE_PW_CHECK_STRING "fake-password-check" +#define KEYDB_FAKE_PW_CHECK_LEN 19 + +/* Size of the global salt for key database */ +#define SALT_LENGTH 16 + +SEC_ASN1_MKSUB(SECOID_AlgorithmIDTemplate) + +const SEC_ASN1Template nsslowkey_EncryptedPrivateKeyInfoTemplate[] = { + { SEC_ASN1_SEQUENCE, + 0, NULL, sizeof(NSSLOWKEYEncryptedPrivateKeyInfo) }, + { SEC_ASN1_INLINE | SEC_ASN1_XTRN, + offsetof(NSSLOWKEYEncryptedPrivateKeyInfo, algorithm), + SEC_ASN1_SUB(SECOID_AlgorithmIDTemplate) }, + { SEC_ASN1_OCTET_STRING, + offsetof(NSSLOWKEYEncryptedPrivateKeyInfo, encryptedData) }, + { 0 } +}; + +const SEC_ASN1Template nsslowkey_PointerToEncryptedPrivateKeyInfoTemplate[] = { + { SEC_ASN1_POINTER, 0, nsslowkey_EncryptedPrivateKeyInfoTemplate } +}; + +/* ====== Default key databse encryption algorithm ====== */ +static void +sec_destroy_dbkey(NSSLOWKEYDBKey *dbkey) +{ + if (dbkey && dbkey->arena) { + PORT_FreeArena(dbkey->arena, PR_FALSE); + } +} + +static void +free_dbt(DBT *dbt) +{ + if (dbt) { + PORT_Free(dbt->data); + PORT_Free(dbt); + } + + return; +} + +static int keydb_Get(NSSLOWKEYDBHandle *db, DBT *key, DBT *data, + unsigned int flags); +static int keydb_Put(NSSLOWKEYDBHandle *db, DBT *key, DBT *data, + unsigned int flags); +static int keydb_Sync(NSSLOWKEYDBHandle *db, unsigned int flags); +static int keydb_Del(NSSLOWKEYDBHandle *db, DBT *key, unsigned int flags); +static int keydb_Seq(NSSLOWKEYDBHandle *db, DBT *key, DBT *data, + unsigned int flags); +static void keydb_Close(NSSLOWKEYDBHandle *db); + +/* + * format of key database entries for version 3 of database: + * byte offset field + * ----------- ----- + * 0 version + * 1 salt-len + * 2 nn-len + * 3.. salt-data + * ... nickname + * ... encrypted-key-data + */ +static DBT * +encode_dbkey(NSSLOWKEYDBKey *dbkey, unsigned char version) +{ + DBT *bufitem = NULL; + unsigned char *buf; + int nnlen; + char *nn; + + bufitem = (DBT *)PORT_ZAlloc(sizeof(DBT)); + if (bufitem == NULL) { + goto loser; + } + + if (dbkey->nickname) { + nn = dbkey->nickname; + nnlen = PORT_Strlen(nn) + 1; + } else { + nn = ""; + nnlen = 1; + } + + /* compute the length of the record */ + /* 1 + 1 + 1 == version number header + salt length + nn len */ + bufitem->size = dbkey->salt.len + nnlen + dbkey->derPK.len + 1 + 1 + 1; + + bufitem->data = (void *)PORT_ZAlloc(bufitem->size); + if (bufitem->data == NULL) { + goto loser; + } + + buf = (unsigned char *)bufitem->data; + + /* set version number */ + buf[0] = version; + + /* set length of salt */ + PORT_Assert(dbkey->salt.len < 256); + buf[1] = dbkey->salt.len; + + /* set length of nickname */ + PORT_Assert(nnlen < 256); + buf[2] = nnlen; + + /* copy salt */ + if (dbkey->salt.len > 0) { + PORT_Memcpy(&buf[3], dbkey->salt.data, dbkey->salt.len); + } + + /* copy nickname */ + PORT_Memcpy(&buf[3 + dbkey->salt.len], nn, nnlen); + + /* copy encrypted key */ + PORT_Memcpy(&buf[3 + dbkey->salt.len + nnlen], dbkey->derPK.data, + dbkey->derPK.len); + + return (bufitem); + +loser: + if (bufitem) { + free_dbt(bufitem); + } + + return (NULL); +} + +static NSSLOWKEYDBKey * +decode_dbkey(DBT *bufitem, int expectedVersion) +{ + NSSLOWKEYDBKey *dbkey; + PLArenaPool *arena = NULL; + unsigned char *buf; + int version; + int keyoff; + int nnlen; + int saltoff; + + buf = (unsigned char *)bufitem->data; + + version = buf[0]; + + if (version != expectedVersion) { + goto loser; + } + + arena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE); + if (arena == NULL) { + goto loser; + } + + dbkey = (NSSLOWKEYDBKey *)PORT_ArenaZAlloc(arena, sizeof(NSSLOWKEYDBKey)); + if (dbkey == NULL) { + goto loser; + } + + dbkey->arena = arena; + dbkey->salt.data = NULL; + dbkey->derPK.data = NULL; + + dbkey->salt.len = buf[1]; + dbkey->salt.data = (unsigned char *)PORT_ArenaZAlloc(arena, dbkey->salt.len); + if (dbkey->salt.data == NULL) { + goto loser; + } + + saltoff = 2; + keyoff = 2 + dbkey->salt.len; + + if (expectedVersion >= 3) { + nnlen = buf[2]; + if (nnlen) { + dbkey->nickname = (char *)PORT_ArenaZAlloc(arena, nnlen + 1); + if (dbkey->nickname) { + PORT_Memcpy(dbkey->nickname, &buf[keyoff + 1], nnlen); + } + } + keyoff += (nnlen + 1); + saltoff = 3; + } + + PORT_Memcpy(dbkey->salt.data, &buf[saltoff], dbkey->salt.len); + + dbkey->derPK.len = bufitem->size - keyoff; + dbkey->derPK.data = (unsigned char *)PORT_ArenaZAlloc(arena, dbkey->derPK.len); + if (dbkey->derPK.data == NULL) { + goto loser; + } + + PORT_Memcpy(dbkey->derPK.data, &buf[keyoff], dbkey->derPK.len); + + return (dbkey); + +loser: + + if (arena) { + PORT_FreeArena(arena, PR_FALSE); + } + + return (NULL); +} + +static NSSLOWKEYDBKey * +get_dbkey(NSSLOWKEYDBHandle *handle, DBT *index) +{ + NSSLOWKEYDBKey *dbkey; + DBT entry; + int ret; + + /* get it from the database */ + ret = keydb_Get(handle, index, &entry, 0); + if (ret) { + PORT_SetError(SEC_ERROR_BAD_DATABASE); + return NULL; + } + + /* set up dbkey struct */ + + dbkey = decode_dbkey(&entry, handle->version); + + return (dbkey); +} + +static SECStatus +put_dbkey(NSSLOWKEYDBHandle *handle, DBT *index, NSSLOWKEYDBKey *dbkey, PRBool update) +{ + DBT *keydata = NULL; + int status; + + keydata = encode_dbkey(dbkey, handle->version); + if (keydata == NULL) { + goto loser; + } + + /* put it in the database */ + if (update) { + status = keydb_Put(handle, index, keydata, 0); + } else { + status = keydb_Put(handle, index, keydata, R_NOOVERWRITE); + } + + if (status) { + goto loser; + } + + /* sync the database */ + status = keydb_Sync(handle, 0); + if (status) { + goto loser; + } + + free_dbt(keydata); + return (SECSuccess); + +loser: + if (keydata) { + free_dbt(keydata); + } + + return (SECFailure); +} + +SECStatus +nsslowkey_TraverseKeys(NSSLOWKEYDBHandle *handle, + SECStatus (*keyfunc)(DBT *k, DBT *d, void *pdata), + void *udata) +{ + DBT data; + DBT key; + SECStatus status; + int ret; + + if (handle == NULL) { + return (SECFailure); + } + + ret = keydb_Seq(handle, &key, &data, R_FIRST); + if (ret) { + return (SECFailure); + } + + do { + /* skip version record */ + if (data.size > 1) { + if (key.size == (sizeof(SALT_STRING) - 1)) { + if (PORT_Memcmp(key.data, SALT_STRING, key.size) == 0) { + continue; + } + } + + /* skip password check */ + if (key.size == KEYDB_PW_CHECK_LEN) { + if (PORT_Memcmp(key.data, KEYDB_PW_CHECK_STRING, + KEYDB_PW_CHECK_LEN) == 0) { + continue; + } + } + + status = (*keyfunc)(&key, &data, udata); + if (status != SECSuccess) { + return (status); + } + } + } while (keydb_Seq(handle, &key, &data, R_NEXT) == 0); + + return (SECSuccess); +} + +#ifdef notdef +typedef struct keyNode { + struct keyNode *next; + DBT key; +} keyNode; + +typedef struct { + PLArenaPool *arena; + keyNode *head; +} keyList; + +static SECStatus +sec_add_key_to_list(DBT *key, DBT *data, void *arg) +{ + keyList *keylist; + keyNode *node; + void *keydata; + + keylist = (keyList *)arg; + + /* allocate the node struct */ + node = (keyNode *)PORT_ArenaZAlloc(keylist->arena, sizeof(keyNode)); + if (node == NULL) { + return (SECFailure); + } + + /* allocate room for key data */ + keydata = PORT_ArenaZAlloc(keylist->arena, key->size); + if (keydata == NULL) { + return (SECFailure); + } + + /* link node into list */ + node->next = keylist->head; + keylist->head = node; + + /* copy key into node */ + PORT_Memcpy(keydata, key->data, key->size); + node->key.size = key->size; + node->key.data = keydata; + + return (SECSuccess); +} +#endif + +static SECItem * +decodeKeyDBGlobalSalt(DBT *saltData) +{ + SECItem *saltitem; + + saltitem = (SECItem *)PORT_ZAlloc(sizeof(SECItem)); + if (saltitem == NULL) { + return (NULL); + } + + saltitem->data = (unsigned char *)PORT_ZAlloc(saltData->size); + if (saltitem->data == NULL) { + PORT_Free(saltitem); + return (NULL); + } + + saltitem->len = saltData->size; + PORT_Memcpy(saltitem->data, saltData->data, saltitem->len); + + return (saltitem); +} + +static SECItem * +GetKeyDBGlobalSalt(NSSLOWKEYDBHandle *handle) +{ + DBT saltKey; + DBT saltData; + int ret; + + saltKey.data = SALT_STRING; + saltKey.size = sizeof(SALT_STRING) - 1; + + ret = keydb_Get(handle, &saltKey, &saltData, 0); + if (ret) { + return (NULL); + } + + return (decodeKeyDBGlobalSalt(&saltData)); +} + +static SECStatus +StoreKeyDBGlobalSalt(NSSLOWKEYDBHandle *handle, SECItem *salt) +{ + DBT saltKey; + DBT saltData; + int status; + + saltKey.data = SALT_STRING; + saltKey.size = sizeof(SALT_STRING) - 1; + + saltData.data = (void *)salt->data; + saltData.size = salt->len; + + /* put global salt into the database now */ + status = keydb_Put(handle, &saltKey, &saltData, 0); + if (status) { + return (SECFailure); + } + + return (SECSuccess); +} + +static SECStatus +makeGlobalVersion(NSSLOWKEYDBHandle *handle) +{ + unsigned char version; + DBT versionData; + DBT versionKey; + int status; + + version = NSSLOWKEY_DB_FILE_VERSION; + versionData.data = &version; + versionData.size = 1; + versionKey.data = VERSION_STRING; + versionKey.size = sizeof(VERSION_STRING) - 1; + + /* put version string into the database now */ + status = keydb_Put(handle, &versionKey, &versionData, 0); + if (status) { + return (SECFailure); + } + handle->version = version; + + return (SECSuccess); +} + +static SECStatus +makeGlobalSalt(NSSLOWKEYDBHandle *handle) +{ + DBT saltKey; + DBT saltData; + unsigned char saltbuf[16]; + int status; + + saltKey.data = SALT_STRING; + saltKey.size = sizeof(SALT_STRING) - 1; + + saltData.data = (void *)saltbuf; + saltData.size = sizeof(saltbuf); + RNG_GenerateGlobalRandomBytes(saltbuf, sizeof(saltbuf)); + + /* put global salt into the database now */ + status = keydb_Put(handle, &saltKey, &saltData, 0); + if (status) { + return (SECFailure); + } + + return (SECSuccess); +} + +static SECStatus +encodePWCheckEntry(PLArenaPool *arena, SECItem *entry, SECOidTag alg, + SECItem *encCheck); + +static unsigned char +nsslowkey_version(NSSLOWKEYDBHandle *handle) +{ + DBT versionKey; + DBT versionData; + int ret; + versionKey.data = VERSION_STRING; + versionKey.size = sizeof(VERSION_STRING) - 1; + + if (handle->db == NULL) { + return 255; + } + + /* lookup version string in database */ + ret = keydb_Get(handle, &versionKey, &versionData, 0); + + /* error accessing the database */ + if (ret < 0) { + return 255; + } + + if (ret >= 1) { + return 0; + } + return *((unsigned char *)versionData.data); +} + +static PRBool +seckey_HasAServerKey(NSSLOWKEYDBHandle *handle) +{ + DBT key; + DBT data; + int ret; + PRBool found = PR_FALSE; + + ret = keydb_Seq(handle, &key, &data, R_FIRST); + if (ret) { + return PR_FALSE; + } + + do { + /* skip version record */ + if (data.size > 1) { + /* skip salt */ + if (key.size == (sizeof(SALT_STRING) - 1)) { + if (PORT_Memcmp(key.data, SALT_STRING, key.size) == 0) { + continue; + } + } + /* skip pw check entry */ + if (key.size == KEYDB_PW_CHECK_LEN) { + if (PORT_Memcmp(key.data, KEYDB_PW_CHECK_STRING, + KEYDB_PW_CHECK_LEN) == 0) { + continue; + } + } + + /* keys stored by nickname will have 0 as the last byte of the + * db key. Other keys must be stored by modulus. We will not + * update those because they are left over from a keygen that + * never resulted in a cert. + */ + if (((unsigned char *)key.data)[key.size - 1] != 0) { + continue; + } + + if (PORT_Strcmp(key.data, "Server-Key") == 0) { + found = PR_TRUE; + break; + } + } + } while (keydb_Seq(handle, &key, &data, R_NEXT) == 0); + + return found; +} + +/* forward declare local create function */ +static NSSLOWKEYDBHandle *nsslowkey_NewHandle(DB *dbHandle); + +/* + * currently updates key database from v2 to v3 + */ +static SECStatus +nsslowkey_UpdateKeyDBPass1(NSSLOWKEYDBHandle *handle) +{ + SECStatus rv; + DBT checkKey; + DBT checkData; + DBT saltKey; + DBT saltData; + DBT key; + DBT data; + unsigned char version; + NSSLOWKEYDBKey *dbkey = NULL; + NSSLOWKEYDBHandle *update = NULL; + SECItem *oldSalt = NULL; + int ret; + SECItem checkitem; + + if (handle->updatedb == NULL) { + return SECSuccess; + } + + /* create a full DB Handle for our update so we + * can use the correct locks for the db primatives */ + update = nsslowkey_NewHandle(handle->updatedb); + if (update == NULL) { + return SECSuccess; + } + + /* update has now inherited the database handle */ + handle->updatedb = NULL; + + /* + * check the version record + */ + version = nsslowkey_version(update); + if (version != 2) { + goto done; + } + + saltKey.data = SALT_STRING; + saltKey.size = sizeof(SALT_STRING) - 1; + + ret = keydb_Get(update, &saltKey, &saltData, 0); + if (ret) { + /* no salt in old db, so it is corrupted */ + goto done; + } + + oldSalt = decodeKeyDBGlobalSalt(&saltData); + if (oldSalt == NULL) { + /* bad salt in old db, so it is corrupted */ + goto done; + } + + /* + * look for a pw check entry + */ + checkKey.data = KEYDB_PW_CHECK_STRING; + checkKey.size = KEYDB_PW_CHECK_LEN; + + ret = keydb_Get(update, &checkKey, &checkData, 0); + if (ret) { + /* + * if we have a key, but no KEYDB_PW_CHECK_STRING, then this must + * be an old server database, and it does have a password associated + * with it. Put a fake entry in so we can identify this db when we do + * get the password for it. + */ + if (seckey_HasAServerKey(update)) { + DBT fcheckKey; + DBT fcheckData; + + /* + * include a fake string + */ + fcheckKey.data = KEYDB_FAKE_PW_CHECK_STRING; + fcheckKey.size = KEYDB_FAKE_PW_CHECK_LEN; + fcheckData.data = "1"; + fcheckData.size = 1; + /* put global salt into the new database now */ + ret = keydb_Put(handle, &saltKey, &saltData, 0); + if (ret) { + goto done; + } + ret = keydb_Put(handle, &fcheckKey, &fcheckData, 0); + if (ret) { + goto done; + } + } else { + goto done; + } + } else { + /* put global salt into the new database now */ + ret = keydb_Put(handle, &saltKey, &saltData, 0); + if (ret) { + goto done; + } + + dbkey = decode_dbkey(&checkData, 2); + if (dbkey == NULL) { + goto done; + } + checkitem = dbkey->derPK; + dbkey->derPK.data = NULL; + + /* format the new pw check entry */ + rv = encodePWCheckEntry(NULL, &dbkey->derPK, SEC_OID_RC4, &checkitem); + if (rv != SECSuccess) { + goto done; + } + + rv = put_dbkey(handle, &checkKey, dbkey, PR_TRUE); + if (rv != SECSuccess) { + goto done; + } + + /* free the dbkey */ + sec_destroy_dbkey(dbkey); + dbkey = NULL; + } + + /* now traverse the database */ + ret = keydb_Seq(update, &key, &data, R_FIRST); + if (ret) { + goto done; + } + + do { + /* skip version record */ + if (data.size > 1) { + /* skip salt */ + if (key.size == (sizeof(SALT_STRING) - 1)) { + if (PORT_Memcmp(key.data, SALT_STRING, key.size) == 0) { + continue; + } + } + /* skip pw check entry */ + if (key.size == checkKey.size) { + if (PORT_Memcmp(key.data, checkKey.data, key.size) == 0) { + continue; + } + } + + /* keys stored by nickname will have 0 as the last byte of the + * db key. Other keys must be stored by modulus. We will not + * update those because they are left over from a keygen that + * never resulted in a cert. + */ + if (((unsigned char *)key.data)[key.size - 1] != 0) { + continue; + } + + dbkey = decode_dbkey(&data, 2); + if (dbkey == NULL) { + continue; + } + + /* This puts the key into the new database with the same + * index (nickname) that it had before. The second pass + * of the update will have the password. It will decrypt + * and re-encrypt the entries using a new algorithm. + */ + dbkey->nickname = (char *)key.data; + rv = put_dbkey(handle, &key, dbkey, PR_FALSE); + dbkey->nickname = NULL; + + sec_destroy_dbkey(dbkey); + } + } while (keydb_Seq(update, &key, &data, R_NEXT) == 0); + + dbkey = NULL; + +done: + /* sync the database */ + ret = keydb_Sync(handle, 0); + + nsslowkey_CloseKeyDB(update); + + if (oldSalt) { + SECITEM_FreeItem(oldSalt, PR_TRUE); + } + + if (dbkey) { + sec_destroy_dbkey(dbkey); + } + + return (SECSuccess); +} + +static SECStatus +openNewDB(const char *appName, const char *prefix, const char *dbname, + NSSLOWKEYDBHandle *handle, NSSLOWKEYDBNameFunc namecb, void *cbarg) +{ + SECStatus rv = SECFailure; + int status = RDB_FAIL; + char *updname = NULL; + DB *updatedb = NULL; + PRBool updated = PR_FALSE; + int ret; + + if (appName) { + handle->db = rdbopen(appName, prefix, "key", NO_CREATE, &status); + } else { + handle->db = dbopen(dbname, NO_CREATE, 0600, DB_HASH, 0); + } + /* if create fails then we lose */ + if (handle->db == NULL) { + return (status == RDB_RETRY) ? SECWouldBlock : SECFailure; + } + + /* force a transactional read, which will verify that one and only one + * process attempts the update. */ + if (nsslowkey_version(handle) == NSSLOWKEY_DB_FILE_VERSION) { + /* someone else has already updated the database for us */ + db_InitComplete(handle->db); + return SECSuccess; + } + + /* + * if we are creating a multiaccess database, see if there is a + * local database we can update from. + */ + if (appName) { + NSSLOWKEYDBHandle *updateHandle; + updatedb = dbopen(dbname, NO_RDONLY, 0600, DB_HASH, 0); + if (!updatedb) { + goto noupdate; + } + + /* nsslowkey_version needs a full handle because it calls + * the kdb_Get() function, which needs to lock. + */ + updateHandle = nsslowkey_NewHandle(updatedb); + if (!updateHandle) { + updatedb->close(updatedb); + goto noupdate; + } + + handle->version = nsslowkey_version(updateHandle); + if (handle->version != NSSLOWKEY_DB_FILE_VERSION) { + nsslowkey_CloseKeyDB(updateHandle); + goto noupdate; + } + + /* copy the new DB from the old one */ + db_Copy(handle->db, updatedb); + nsslowkey_CloseKeyDB(updateHandle); + db_InitComplete(handle->db); + return SECSuccess; + } +noupdate: + + /* update the version number */ + rv = makeGlobalVersion(handle); + if (rv != SECSuccess) { + goto loser; + } + + /* + * try to update from v2 db + */ + updname = (*namecb)(cbarg, 2); + if (updname != NULL) { + handle->updatedb = dbopen(updname, NO_RDONLY, 0600, DB_HASH, 0); + PORT_Free(updname); + + if (handle->updatedb) { + /* + * Try to update the db using a null password. If the db + * doesn't have a password, then this will work. If it does + * have a password, then this will fail and we will do the + * update later + */ + rv = nsslowkey_UpdateKeyDBPass1(handle); + if (rv == SECSuccess) { + updated = PR_TRUE; + } + } + } + + /* we are using the old salt if we updated from an old db */ + if (!updated) { + rv = makeGlobalSalt(handle); + if (rv != SECSuccess) { + goto loser; + } + } + + /* sync the database */ + ret = keydb_Sync(handle, 0); + if (ret) { + rv = SECFailure; + goto loser; + } + rv = SECSuccess; + +loser: + db_InitComplete(handle->db); + return rv; +} + +static DB * +openOldDB(const char *appName, const char *prefix, const char *dbname, + PRBool openflags) +{ + DB *db = NULL; + + if (appName) { + db = rdbopen(appName, prefix, "key", openflags, NULL); + } else { + db = dbopen(dbname, openflags, 0600, DB_HASH, 0); + } + + return db; +} + +/* check for correct version number */ +static PRBool +verifyVersion(NSSLOWKEYDBHandle *handle) +{ + int version = nsslowkey_version(handle); + + handle->version = version; + if (version != NSSLOWKEY_DB_FILE_VERSION) { + if (handle->db) { + keydb_Close(handle); + handle->db = NULL; + } + } + return handle->db != NULL; +} + +static NSSLOWKEYDBHandle * +nsslowkey_NewHandle(DB *dbHandle) +{ + NSSLOWKEYDBHandle *handle; + handle = (NSSLOWKEYDBHandle *)PORT_ZAlloc(sizeof(NSSLOWKEYDBHandle)); + if (handle == NULL) { + PORT_SetError(SEC_ERROR_NO_MEMORY); + return NULL; + } + + handle->appname = NULL; + handle->dbname = NULL; + handle->global_salt = NULL; + handle->updatedb = NULL; + handle->db = dbHandle; + handle->ref = 1; + handle->lock = PZ_NewLock(nssILockKeyDB); + + return handle; +} + +NSSLOWKEYDBHandle * +nsslowkey_OpenKeyDB(PRBool readOnly, const char *appName, const char *prefix, + NSSLOWKEYDBNameFunc namecb, void *cbarg) +{ + NSSLOWKEYDBHandle *handle = NULL; + SECStatus rv; + int openflags; + char *dbname = NULL; + + handle = nsslowkey_NewHandle(NULL); + + openflags = readOnly ? NO_RDONLY : NO_RDWR; + + dbname = (*namecb)(cbarg, NSSLOWKEY_DB_FILE_VERSION); + if (dbname == NULL) { + goto loser; + } + handle->appname = appName ? PORT_Strdup(appName) : NULL; + handle->dbname = (appName == NULL) ? PORT_Strdup(dbname) : (prefix ? PORT_Strdup(prefix) : NULL); + handle->readOnly = readOnly; + + handle->db = openOldDB(appName, prefix, dbname, openflags); + if (handle->db) { + verifyVersion(handle); + if (handle->version == 255) { + goto loser; + } + } + + /* if first open fails, try to create a new DB */ + if (handle->db == NULL) { + if (readOnly) { + goto loser; + } + + rv = openNewDB(appName, prefix, dbname, handle, namecb, cbarg); + /* two processes started to initialize the database at the same time. + * The multiprocess code blocked the second one, then had it retry to + * see if it can just open the database normally */ + if (rv == SECWouldBlock) { + handle->db = openOldDB(appName, prefix, dbname, openflags); + verifyVersion(handle); + if (handle->db == NULL) { + goto loser; + } + } else if (rv != SECSuccess) { + goto loser; + } + } + + handle->global_salt = GetKeyDBGlobalSalt(handle); + if (dbname) + PORT_Free(dbname); + return handle; + +loser: + + if (dbname) + PORT_Free(dbname); + PORT_SetError(SEC_ERROR_BAD_DATABASE); + nsslowkey_CloseKeyDB(handle); + return NULL; +} + +/* + * Close the database + */ +void +nsslowkey_CloseKeyDB(NSSLOWKEYDBHandle *handle) +{ + if (handle != NULL) { + if (handle->db != NULL) { + keydb_Close(handle); + } + if (handle->updatedb) { + handle->updatedb->close(handle->updatedb); + } + if (handle->dbname) + PORT_Free(handle->dbname); + if (handle->appname) + PORT_Free(handle->appname); + if (handle->global_salt) { + SECITEM_FreeItem(handle->global_salt, PR_TRUE); + } + if (handle->lock != NULL) { + SKIP_AFTER_FORK(PZ_DestroyLock(handle->lock)); + } + + PORT_Free(handle); + } +} + +/* Get the key database version */ +int +nsslowkey_GetKeyDBVersion(NSSLOWKEYDBHandle *handle) +{ + PORT_Assert(handle != NULL); + + return handle->version; +} + +/* + * Delete a private key that was stored in the database + */ +SECStatus +nsslowkey_DeleteKey(NSSLOWKEYDBHandle *handle, const SECItem *pubkey) +{ + DBT namekey; + int ret; + + if (handle == NULL) { + PORT_SetError(SEC_ERROR_BAD_DATABASE); + return (SECFailure); + } + + /* set up db key and data */ + namekey.data = pubkey->data; + namekey.size = pubkey->len; + + /* delete it from the database */ + ret = keydb_Del(handle, &namekey, 0); + if (ret) { + PORT_SetError(SEC_ERROR_BAD_DATABASE); + return (SECFailure); + } + + /* sync the database */ + ret = keydb_Sync(handle, 0); + if (ret) { + PORT_SetError(SEC_ERROR_BAD_DATABASE); + return (SECFailure); + } + + return (SECSuccess); +} + +/* + * Store a key in the database, indexed by its public key modulus.(value!) + */ +SECStatus +nsslowkey_StoreKeyByPublicKey(NSSLOWKEYDBHandle *handle, + NSSLOWKEYPrivateKey *privkey, + SECItem *pubKeyData, + char *nickname, + SDB *sdb) +{ + return nsslowkey_StoreKeyByPublicKeyAlg(handle, privkey, pubKeyData, + nickname, sdb, PR_FALSE); +} + +SECStatus +nsslowkey_UpdateNickname(NSSLOWKEYDBHandle *handle, + NSSLOWKEYPrivateKey *privkey, + SECItem *pubKeyData, + char *nickname, + SDB *sdb) +{ + return nsslowkey_StoreKeyByPublicKeyAlg(handle, privkey, pubKeyData, + nickname, sdb, PR_TRUE); +} + +/* see if the symetric CKA_ID already Exists. + */ +PRBool +nsslowkey_KeyForIDExists(NSSLOWKEYDBHandle *handle, SECItem *id) +{ + DBT namekey; + DBT dummy; + int status; + + namekey.data = (char *)id->data; + namekey.size = id->len; + status = keydb_Get(handle, &namekey, &dummy, 0); + if (status) { + return PR_FALSE; + } + + return PR_TRUE; +} + +/* see if the public key for this cert is in the database filed + * by modulus + */ +PRBool +nsslowkey_KeyForCertExists(NSSLOWKEYDBHandle *handle, NSSLOWCERTCertificate *cert) +{ + NSSLOWKEYPublicKey *pubkey = NULL; + DBT namekey; + DBT dummy; + int status; + + /* get cert's public key */ + pubkey = nsslowcert_ExtractPublicKey(cert); + if (pubkey == NULL) { + return PR_FALSE; + } + + /* TNH - make key from NSSLOWKEYPublicKey */ + switch (pubkey->keyType) { + case NSSLOWKEYRSAKey: + namekey.data = pubkey->u.rsa.modulus.data; + namekey.size = pubkey->u.rsa.modulus.len; + break; + case NSSLOWKEYDSAKey: + namekey.data = pubkey->u.dsa.publicValue.data; + namekey.size = pubkey->u.dsa.publicValue.len; + break; + case NSSLOWKEYDHKey: + namekey.data = pubkey->u.dh.publicValue.data; + namekey.size = pubkey->u.dh.publicValue.len; + break; +#ifndef NSS_DISABLE_ECC + case NSSLOWKEYECKey: + namekey.data = pubkey->u.ec.publicValue.data; + namekey.size = pubkey->u.ec.publicValue.len; + break; +#endif /* NSS_DISABLE_ECC */ + default: + /* XXX We don't do Fortezza or DH yet. */ + return PR_FALSE; + } + + if (handle->version != 3) { + unsigned char buf[SHA1_LENGTH]; + SHA1_HashBuf(buf, namekey.data, namekey.size); + /* NOTE: don't use pubkey after this! it's now thrashed */ + PORT_Memcpy(namekey.data, buf, sizeof(buf)); + namekey.size = sizeof(buf); + } + + status = keydb_Get(handle, &namekey, &dummy, 0); + /* some databases have the key stored as a signed value */ + if (status) { + unsigned char *buf = (unsigned char *)PORT_Alloc(namekey.size + 1); + if (buf) { + PORT_Memcpy(&buf[1], namekey.data, namekey.size); + buf[0] = 0; + namekey.data = buf; + namekey.size++; + status = keydb_Get(handle, &namekey, &dummy, 0); + PORT_Free(buf); + } + } + lg_nsslowkey_DestroyPublicKey(pubkey); + if (status) { + return PR_FALSE; + } + + return PR_TRUE; +} + +typedef struct NSSLowPasswordDataParamStr { + SECItem salt; + SECItem iter; +} NSSLowPasswordDataParam; + +static const SEC_ASN1Template NSSLOWPasswordParamTemplate[] = + { + { SEC_ASN1_SEQUENCE, 0, NULL, sizeof(NSSLowPasswordDataParam) }, + { SEC_ASN1_OCTET_STRING, offsetof(NSSLowPasswordDataParam, salt) }, + { SEC_ASN1_INTEGER, offsetof(NSSLowPasswordDataParam, iter) }, + { 0 } + }; +struct LGEncryptedDataInfoStr { + SECAlgorithmID algorithm; + SECItem encryptedData; +}; +typedef struct LGEncryptedDataInfoStr LGEncryptedDataInfo; + +const SEC_ASN1Template lg_EncryptedDataInfoTemplate[] = { + { SEC_ASN1_SEQUENCE, + 0, NULL, sizeof(LGEncryptedDataInfo) }, + { SEC_ASN1_INLINE | SEC_ASN1_XTRN, + offsetof(LGEncryptedDataInfo, algorithm), + SEC_ASN1_SUB(SECOID_AlgorithmIDTemplate) }, + { SEC_ASN1_OCTET_STRING, + offsetof(LGEncryptedDataInfo, encryptedData) }, + { 0 } +}; + +static SECItem * +nsslowkey_EncodePW(SECOidTag alg, const SECItem *salt, SECItem *data) +{ + NSSLowPasswordDataParam param; + LGEncryptedDataInfo edi; + PLArenaPool *arena; + unsigned char one = 1; + SECItem *epw = NULL; + SECItem *encParam; + SECStatus rv; + + param.salt = *salt; + param.iter.type = siBuffer; /* encode as signed integer */ + param.iter.data = &one; + param.iter.len = 1; + edi.encryptedData = *data; + + arena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE); + if (arena == NULL) { + return NULL; + } + + encParam = SEC_ASN1EncodeItem(arena, NULL, ¶m, + NSSLOWPasswordParamTemplate); + if (encParam == NULL) { + goto loser; + } + rv = SECOID_SetAlgorithmID(arena, &edi.algorithm, alg, encParam); + if (rv != SECSuccess) { + goto loser; + } + epw = SEC_ASN1EncodeItem(NULL, NULL, &edi, lg_EncryptedDataInfoTemplate); + +loser: + PORT_FreeArena(arena, PR_FALSE); + return epw; +} + +static SECItem * +nsslowkey_DecodePW(const SECItem *derData, SECOidTag *alg, SECItem *salt) +{ + NSSLowPasswordDataParam param; + LGEncryptedDataInfo edi; + PLArenaPool *arena; + SECItem *pwe = NULL; + SECStatus rv; + + salt->data = NULL; + param.iter.type = siBuffer; /* decode as signed integer */ + + arena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE); + if (arena == NULL) { + return NULL; + } + + rv = SEC_QuickDERDecodeItem(arena, &edi, lg_EncryptedDataInfoTemplate, + derData); + if (rv != SECSuccess) { + goto loser; + } + *alg = SECOID_GetAlgorithmTag(&edi.algorithm); + rv = SEC_QuickDERDecodeItem(arena, ¶m, NSSLOWPasswordParamTemplate, + &edi.algorithm.parameters); + if (rv != SECSuccess) { + goto loser; + } + rv = SECITEM_CopyItem(NULL, salt, ¶m.salt); + if (rv != SECSuccess) { + goto loser; + } + pwe = SECITEM_DupItem(&edi.encryptedData); + +loser: + if (!pwe && salt->data) { + PORT_Free(salt->data); + salt->data = NULL; + } + PORT_FreeArena(arena, PR_FALSE); + return pwe; +} + +/* + * check to see if the user has a password + */ +static SECStatus +nsslowkey_GetPWCheckEntry(NSSLOWKEYDBHandle *handle, NSSLOWKEYPasswordEntry *entry) +{ + DBT checkkey; /*, checkdata; */ + NSSLOWKEYDBKey *dbkey = NULL; + SECItem *global_salt = NULL; + SECItem *item = NULL; + SECItem entryData, oid; + SECItem none = { siBuffer, NULL, 0 }; + SECStatus rv = SECFailure; + SECOidTag algorithm; + + if (handle == NULL) { + /* PORT_SetError */ + return (SECFailure); + } + + global_salt = GetKeyDBGlobalSalt(handle); + if (!global_salt) { + global_salt = &none; + } + if (global_salt->len > sizeof(entry->data)) { + /* PORT_SetError */ + goto loser; + } + + PORT_Memcpy(entry->data, global_salt->data, global_salt->len); + entry->salt.data = entry->data; + entry->salt.len = global_salt->len; + entry->value.data = &entry->data[entry->salt.len]; + + checkkey.data = KEYDB_PW_CHECK_STRING; + checkkey.size = KEYDB_PW_CHECK_LEN; + dbkey = get_dbkey(handle, &checkkey); + if (dbkey == NULL) { + /* handle 'FAKE' check here */ + goto loser; + } + + oid.len = dbkey->derPK.data[0]; + oid.data = &dbkey->derPK.data[1]; + + if (dbkey->derPK.len < (KEYDB_PW_CHECK_LEN + 1 + oid.len)) { + goto loser; + } + algorithm = SECOID_FindOIDTag(&oid); + entryData.type = siBuffer; + entryData.len = dbkey->derPK.len - (oid.len + 1); + entryData.data = &dbkey->derPK.data[oid.len + 1]; + + item = nsslowkey_EncodePW(algorithm, &dbkey->salt, &entryData); + if (!item || (item->len + entry->salt.len) > sizeof(entry->data)) { + goto loser; + } + PORT_Memcpy(entry->value.data, item->data, item->len); + entry->value.len = item->len; + rv = SECSuccess; + +loser: + if (item) { + SECITEM_FreeItem(item, PR_TRUE); + } + if (dbkey) { + sec_destroy_dbkey(dbkey); + } + if (global_salt != &none) { + SECITEM_FreeItem(global_salt, PR_TRUE); + } + return rv; +} + +/* + * check to see if the user has a password + */ +static SECStatus +nsslowkey_PutPWCheckEntry(NSSLOWKEYDBHandle *handle, NSSLOWKEYPasswordEntry *entry) +{ + DBT checkkey; + NSSLOWKEYDBKey *dbkey = NULL; + SECItem *item = NULL; + SECItem salt; + SECOidTag algid = SEC_OID_UNKNOWN; + SECStatus rv = SECFailure; + PLArenaPool *arena; + int ret; + + if (handle == NULL) { + /* PORT_SetError */ + return (SECFailure); + } + + checkkey.data = KEYDB_PW_CHECK_STRING; + checkkey.size = KEYDB_PW_CHECK_LEN; + + salt.data = NULL; + arena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE); + if (arena == NULL) { + return SECFailure; + } + + item = nsslowkey_DecodePW(&entry->value, &algid, &salt); + if (item == NULL) { + goto loser; + } + + dbkey = PORT_ArenaZNew(arena, NSSLOWKEYDBKey); + if (dbkey == NULL) { + goto loser; + } + + dbkey->arena = arena; + + rv = SECITEM_CopyItem(arena, &dbkey->salt, &salt); + if (rv != SECSuccess) { + goto loser; + } + + rv = encodePWCheckEntry(arena, &dbkey->derPK, algid, item); + if (rv != SECSuccess) { + goto loser; + } + + rv = put_dbkey(handle, &checkkey, dbkey, PR_TRUE); + if (rv != SECSuccess) { + goto loser; + } + + if (handle->global_salt) { + SECITEM_FreeItem(handle->global_salt, PR_TRUE); + handle->global_salt = NULL; + } + rv = StoreKeyDBGlobalSalt(handle, &entry->salt); + if (rv != SECSuccess) { + goto loser; + } + ret = keydb_Sync(handle, 0); + if (ret) { + rv = SECFailure; + goto loser; + } + handle->global_salt = GetKeyDBGlobalSalt(handle); + +loser: + if (item) { + SECITEM_FreeItem(item, PR_TRUE); + } + if (arena) { + PORT_FreeArena(arena, PR_TRUE); + } + if (salt.data) { + PORT_Free(salt.data); + } + return rv; +} + +#ifdef EC_DEBUG +#define SEC_PRINT(str1, str2, num, sitem) \ + printf("pkcs11c.c:%s:%s (keytype=%d) [len=%d]\n", \ + str1, str2, num, sitem->len); \ + for (i = 0; i < sitem->len; i++) { \ + printf("%02x:", sitem->data[i]); \ + } \ + printf("\n") +#else +#define SEC_PRINT(a, b, c, d) +#endif /* EC_DEBUG */ + +SECStatus +seckey_encrypt_private_key(PLArenaPool *permarena, NSSLOWKEYPrivateKey *pk, + SDB *sdbpw, SECItem *result) +{ + NSSLOWKEYPrivateKeyInfo *pki = NULL; + SECStatus rv = SECFailure; + PLArenaPool *temparena = NULL; + SECItem *der_item = NULL; + SECItem *cipherText = NULL; + SECItem *dummy = NULL; +#ifndef NSS_DISABLE_ECC +#ifdef EC_DEBUG + SECItem *fordebug = NULL; +#endif + int savelen; +#endif + + temparena = PORT_NewArena(SEC_ASN1_DEFAULT_ARENA_SIZE); + if (temparena == NULL) + goto loser; + + /* allocate structures */ + pki = (NSSLOWKEYPrivateKeyInfo *)PORT_ArenaZAlloc(temparena, + sizeof(NSSLOWKEYPrivateKeyInfo)); + der_item = (SECItem *)PORT_ArenaZAlloc(temparena, sizeof(SECItem)); + if ((pki == NULL) || (der_item == NULL)) + goto loser; + + /* setup private key info */ + dummy = SEC_ASN1EncodeInteger(temparena, &(pki->version), + NSSLOWKEY_PRIVATE_KEY_INFO_VERSION); + if (dummy == NULL) + goto loser; + + /* Encode the key, and set the algorithm (with params) */ + switch (pk->keyType) { + case NSSLOWKEYRSAKey: + lg_prepare_low_rsa_priv_key_for_asn1(pk); + dummy = SEC_ASN1EncodeItem(temparena, &(pki->privateKey), pk, + lg_nsslowkey_RSAPrivateKeyTemplate); + if (dummy == NULL) { + rv = SECFailure; + goto loser; + } + + rv = SECOID_SetAlgorithmID(temparena, &(pki->algorithm), + SEC_OID_PKCS1_RSA_ENCRYPTION, 0); + if (rv == SECFailure) { + goto loser; + } + + break; + case NSSLOWKEYDSAKey: + lg_prepare_low_dsa_priv_key_for_asn1(pk); + dummy = SEC_ASN1EncodeItem(temparena, &(pki->privateKey), pk, + lg_nsslowkey_DSAPrivateKeyTemplate); + if (dummy == NULL) { + rv = SECFailure; + goto loser; + } + + lg_prepare_low_pqg_params_for_asn1(&pk->u.dsa.params); + dummy = SEC_ASN1EncodeItem(temparena, NULL, &pk->u.dsa.params, + lg_nsslowkey_PQGParamsTemplate); + if (dummy == NULL) { + rv = SECFailure; + goto loser; + } + + rv = SECOID_SetAlgorithmID(temparena, &(pki->algorithm), + SEC_OID_ANSIX9_DSA_SIGNATURE, dummy); + if (rv == SECFailure) { + goto loser; + } + + break; + case NSSLOWKEYDHKey: + lg_prepare_low_dh_priv_key_for_asn1(pk); + dummy = SEC_ASN1EncodeItem(temparena, &(pki->privateKey), pk, + lg_nsslowkey_DHPrivateKeyTemplate); + if (dummy == NULL) { + rv = SECFailure; + goto loser; + } + + rv = SECOID_SetAlgorithmID(temparena, &(pki->algorithm), + SEC_OID_X942_DIFFIE_HELMAN_KEY, dummy); + if (rv == SECFailure) { + goto loser; + } + break; +#ifndef NSS_DISABLE_ECC + case NSSLOWKEYECKey: + lg_prepare_low_ec_priv_key_for_asn1(pk); + /* Public value is encoded as a bit string so adjust length + * to be in bits before ASN encoding and readjust + * immediately after. + * + * Since the SECG specification recommends not including the + * parameters as part of ECPrivateKey, we zero out the curveOID + * length before encoding and restore it later. + */ + pk->u.ec.publicValue.len <<= 3; + savelen = pk->u.ec.ecParams.curveOID.len; + pk->u.ec.ecParams.curveOID.len = 0; + dummy = SEC_ASN1EncodeItem(temparena, &(pki->privateKey), pk, + lg_nsslowkey_ECPrivateKeyTemplate); + pk->u.ec.ecParams.curveOID.len = savelen; + pk->u.ec.publicValue.len >>= 3; + + if (dummy == NULL) { + rv = SECFailure; + goto loser; + } + + dummy = &pk->u.ec.ecParams.DEREncoding; + + /* At this point dummy should contain the encoded params */ + rv = SECOID_SetAlgorithmID(temparena, &(pki->algorithm), + SEC_OID_ANSIX962_EC_PUBLIC_KEY, dummy); + + if (rv == SECFailure) { + goto loser; + } + +#ifdef EC_DEBUG + fordebug = &(pki->privateKey); + SEC_PRINT("seckey_encrypt_private_key()", "PrivateKey", + pk->keyType, fordebug); +#endif + + break; +#endif /* NSS_DISABLE_ECC */ + default: + /* We don't support DH or Fortezza private keys yet */ + PORT_Assert(PR_FALSE); + break; + } + + /* setup encrypted private key info */ + dummy = SEC_ASN1EncodeItem(temparena, der_item, pki, + lg_nsslowkey_PrivateKeyInfoTemplate); + + SEC_PRINT("seckey_encrypt_private_key()", "PrivateKeyInfo", + pk->keyType, der_item); + + if (dummy == NULL) { + rv = SECFailure; + goto loser; + } + + rv = lg_util_encrypt(temparena, sdbpw, dummy, &cipherText); + if (rv != SECSuccess) { + goto loser; + } + + rv = SECITEM_CopyItem(permarena, result, cipherText); + +loser: + + if (temparena != NULL) + PORT_FreeArena(temparena, PR_TRUE); + + return rv; +} + +static SECStatus +seckey_put_private_key(NSSLOWKEYDBHandle *keydb, DBT *index, SDB *sdbpw, + NSSLOWKEYPrivateKey *pk, char *nickname, PRBool update) +{ + NSSLOWKEYDBKey *dbkey = NULL; + PLArenaPool *arena = NULL; + SECStatus rv = SECFailure; + + if ((keydb == NULL) || (index == NULL) || (sdbpw == NULL) || + (pk == NULL)) + return SECFailure; + + arena = PORT_NewArena(SEC_ASN1_DEFAULT_ARENA_SIZE); + if (arena == NULL) + return SECFailure; + + dbkey = (NSSLOWKEYDBKey *)PORT_ArenaZAlloc(arena, sizeof(NSSLOWKEYDBKey)); + if (dbkey == NULL) + goto loser; + dbkey->arena = arena; + dbkey->nickname = nickname; + + rv = seckey_encrypt_private_key(arena, pk, sdbpw, &dbkey->derPK); + if (rv != SECSuccess) + goto loser; + + rv = put_dbkey(keydb, index, dbkey, update); + +/* let success fall through */ +loser: + if (arena != NULL) + PORT_FreeArena(arena, PR_TRUE); + + return rv; +} + +/* + * Store a key in the database, indexed by its public key modulus. + * Note that the nickname is optional. It was only used by keyutil. + */ +SECStatus +nsslowkey_StoreKeyByPublicKeyAlg(NSSLOWKEYDBHandle *handle, + NSSLOWKEYPrivateKey *privkey, + SECItem *pubKeyData, + char *nickname, + SDB *sdbpw, + PRBool update) +{ + DBT namekey; + SECStatus rv; + + if (handle == NULL) { + PORT_SetError(SEC_ERROR_BAD_DATABASE); + return (SECFailure); + } + + /* set up db key and data */ + namekey.data = pubKeyData->data; + namekey.size = pubKeyData->len; + + /* encrypt the private key */ + rv = seckey_put_private_key(handle, &namekey, sdbpw, privkey, nickname, + update); + + return (rv); +} + +static NSSLOWKEYPrivateKey * +seckey_decrypt_private_key(SECItem *epki, + SDB *sdbpw) +{ + NSSLOWKEYPrivateKey *pk = NULL; + NSSLOWKEYPrivateKeyInfo *pki = NULL; + SECStatus rv = SECFailure; + PLArenaPool *temparena = NULL, *permarena = NULL; + SECItem *dest = NULL; +#ifdef EC_DEBUG + SECItem *fordebug = NULL; +#endif + + if ((epki == NULL) || (sdbpw == NULL)) + goto loser; + + temparena = PORT_NewArena(SEC_ASN1_DEFAULT_ARENA_SIZE); + permarena = PORT_NewArena(SEC_ASN1_DEFAULT_ARENA_SIZE); + if ((temparena == NULL) || (permarena == NULL)) + goto loser; + + /* allocate temporary items */ + pki = (NSSLOWKEYPrivateKeyInfo *)PORT_ArenaZAlloc(temparena, + sizeof(NSSLOWKEYPrivateKeyInfo)); + + /* allocate permanent arena items */ + pk = (NSSLOWKEYPrivateKey *)PORT_ArenaZAlloc(permarena, + sizeof(NSSLOWKEYPrivateKey)); + + if ((pk == NULL) || (pki == NULL)) + goto loser; + + pk->arena = permarena; + + rv = lg_util_decrypt(sdbpw, epki, &dest); + if (rv != SECSuccess) { + goto loser; + } + + if (dest != NULL) { + SECItem newPrivateKey; + SECItem newAlgParms; + + SEC_PRINT("seckey_decrypt_private_key()", "PrivateKeyInfo", -1, + dest); + + rv = SEC_QuickDERDecodeItem(temparena, pki, + lg_nsslowkey_PrivateKeyInfoTemplate, dest); + if (rv == SECSuccess) { + switch (SECOID_GetAlgorithmTag(&pki->algorithm)) { + case SEC_OID_X500_RSA_ENCRYPTION: + case SEC_OID_PKCS1_RSA_ENCRYPTION: + pk->keyType = NSSLOWKEYRSAKey; + lg_prepare_low_rsa_priv_key_for_asn1(pk); + if (SECSuccess != SECITEM_CopyItem(permarena, &newPrivateKey, + &pki->privateKey)) + break; + rv = SEC_QuickDERDecodeItem(permarena, pk, + lg_nsslowkey_RSAPrivateKeyTemplate, + &newPrivateKey); + if (rv == SECSuccess) { + break; + } + /* Try decoding with the alternative template, but only allow + * a zero-length modulus for a secret key object. + * See bug 715073. + */ + rv = SEC_QuickDERDecodeItem(permarena, pk, + lg_nsslowkey_RSAPrivateKeyTemplate2, + &newPrivateKey); + /* A publicExponent of 0 is the defining property of a secret + * key disguised as an RSA key. When decoding with the + * alternative template, only accept a secret key with an + * improperly encoded modulus and a publicExponent of 0. + */ + if (rv == SECSuccess) { + if (pk->u.rsa.modulus.len == 2 && + pk->u.rsa.modulus.data[0] == SEC_ASN1_INTEGER && + pk->u.rsa.modulus.data[1] == 0 && + pk->u.rsa.publicExponent.len == 1 && + pk->u.rsa.publicExponent.data[0] == 0) { + /* Fix the zero-length integer by setting it to 0. */ + pk->u.rsa.modulus.data = pk->u.rsa.publicExponent.data; + pk->u.rsa.modulus.len = pk->u.rsa.publicExponent.len; + } else { + PORT_SetError(SEC_ERROR_BAD_DER); + rv = SECFailure; + } + } + break; + case SEC_OID_ANSIX9_DSA_SIGNATURE: + pk->keyType = NSSLOWKEYDSAKey; + lg_prepare_low_dsa_priv_key_for_asn1(pk); + if (SECSuccess != SECITEM_CopyItem(permarena, &newPrivateKey, + &pki->privateKey)) + break; + rv = SEC_QuickDERDecodeItem(permarena, pk, + lg_nsslowkey_DSAPrivateKeyTemplate, + &newPrivateKey); + if (rv != SECSuccess) + goto loser; + lg_prepare_low_pqg_params_for_asn1(&pk->u.dsa.params); + if (SECSuccess != SECITEM_CopyItem(permarena, &newAlgParms, + &pki->algorithm.parameters)) + break; + rv = SEC_QuickDERDecodeItem(permarena, &pk->u.dsa.params, + lg_nsslowkey_PQGParamsTemplate, + &newAlgParms); + break; + case SEC_OID_X942_DIFFIE_HELMAN_KEY: + pk->keyType = NSSLOWKEYDHKey; + lg_prepare_low_dh_priv_key_for_asn1(pk); + if (SECSuccess != SECITEM_CopyItem(permarena, &newPrivateKey, + &pki->privateKey)) + break; + rv = SEC_QuickDERDecodeItem(permarena, pk, + lg_nsslowkey_DHPrivateKeyTemplate, + &newPrivateKey); + break; +#ifndef NSS_DISABLE_ECC + case SEC_OID_ANSIX962_EC_PUBLIC_KEY: + pk->keyType = NSSLOWKEYECKey; + lg_prepare_low_ec_priv_key_for_asn1(pk); + +#ifdef EC_DEBUG + fordebug = &pki->privateKey; + SEC_PRINT("seckey_decrypt_private_key()", "PrivateKey", + pk->keyType, fordebug); +#endif + if (SECSuccess != SECITEM_CopyItem(permarena, &newPrivateKey, + &pki->privateKey)) + break; + rv = SEC_QuickDERDecodeItem(permarena, pk, + lg_nsslowkey_ECPrivateKeyTemplate, + &newPrivateKey); + if (rv != SECSuccess) + goto loser; + + lg_prepare_low_ecparams_for_asn1(&pk->u.ec.ecParams); + + rv = SECITEM_CopyItem(permarena, + &pk->u.ec.ecParams.DEREncoding, + &pki->algorithm.parameters); + + if (rv != SECSuccess) + goto loser; + + /* Fill out the rest of EC params */ + rv = LGEC_FillParams(permarena, &pk->u.ec.ecParams.DEREncoding, + &pk->u.ec.ecParams); + + if (rv != SECSuccess) + goto loser; + + if (pk->u.ec.publicValue.len != 0) { + pk->u.ec.publicValue.len >>= 3; + } + + break; +#endif /* NSS_DISABLE_ECC */ + default: + rv = SECFailure; + break; + } + } else if (PORT_GetError() == SEC_ERROR_BAD_DER) { + PORT_SetError(SEC_ERROR_BAD_PASSWORD); + goto loser; + } + } + +/* let success fall through */ +loser: + if (temparena != NULL) + PORT_FreeArena(temparena, PR_TRUE); + if (dest != NULL) + SECITEM_ZfreeItem(dest, PR_TRUE); + + if (rv != SECSuccess) { + if (permarena != NULL) + PORT_FreeArena(permarena, PR_TRUE); + pk = NULL; + } + + return pk; +} + +static NSSLOWKEYPrivateKey * +seckey_decode_encrypted_private_key(NSSLOWKEYDBKey *dbkey, SDB *sdbpw) +{ + if ((dbkey == NULL) || (sdbpw == NULL)) { + return NULL; + } + + return seckey_decrypt_private_key(&(dbkey->derPK), sdbpw); +} + +static NSSLOWKEYPrivateKey * +seckey_get_private_key(NSSLOWKEYDBHandle *keydb, DBT *index, char **nickname, + SDB *sdbpw) +{ + NSSLOWKEYDBKey *dbkey = NULL; + NSSLOWKEYPrivateKey *pk = NULL; + + if ((keydb == NULL) || (index == NULL) || (sdbpw == NULL)) { + return NULL; + } + + dbkey = get_dbkey(keydb, index); + if (dbkey == NULL) { + goto loser; + } + + if (nickname) { + if (dbkey->nickname && (dbkey->nickname[0] != 0)) { + *nickname = PORT_Strdup(dbkey->nickname); + } else { + *nickname = NULL; + } + } + + pk = seckey_decode_encrypted_private_key(dbkey, sdbpw); + +/* let success fall through */ +loser: + + if (dbkey != NULL) { + sec_destroy_dbkey(dbkey); + } + + return pk; +} + +/* + * Find a key in the database, indexed by its public key modulus + * This is used to find keys that have been stored before their + * certificate arrives. Once the certificate arrives the key + * is looked up by the public modulus in the certificate, and the + * re-stored by its nickname. + */ +NSSLOWKEYPrivateKey * +nsslowkey_FindKeyByPublicKey(NSSLOWKEYDBHandle *handle, SECItem *modulus, + SDB *sdbpw) +{ + DBT namekey; + NSSLOWKEYPrivateKey *pk = NULL; + + if (handle == NULL) { + PORT_SetError(SEC_ERROR_BAD_DATABASE); + return NULL; + } + + /* set up db key */ + namekey.data = modulus->data; + namekey.size = modulus->len; + + pk = seckey_get_private_key(handle, &namekey, NULL, sdbpw); + + /* no need to free dbkey, since its on the stack, and the data it + * points to is owned by the database + */ + return (pk); +} + +char * +nsslowkey_FindKeyNicknameByPublicKey(NSSLOWKEYDBHandle *handle, + SECItem *modulus, SDB *sdbpw) +{ + DBT namekey; + NSSLOWKEYPrivateKey *pk = NULL; + char *nickname = NULL; + + if (handle == NULL) { + PORT_SetError(SEC_ERROR_BAD_DATABASE); + return NULL; + } + + /* set up db key */ + namekey.data = modulus->data; + namekey.size = modulus->len; + + pk = seckey_get_private_key(handle, &namekey, &nickname, sdbpw); + if (pk) { + lg_nsslowkey_DestroyPrivateKey(pk); + } + + /* no need to free dbkey, since its on the stack, and the data it + * points to is owned by the database + */ + return (nickname); +} +/* ===== ENCODING ROUTINES ===== */ + +static SECStatus +encodePWCheckEntry(PLArenaPool *arena, SECItem *entry, SECOidTag alg, + SECItem *encCheck) +{ + SECOidData *oidData; + + oidData = SECOID_FindOIDByTag(alg); + if (oidData == NULL) { + return SECFailure; + } + + entry->len = 1 + oidData->oid.len + encCheck->len; + if (arena) { + entry->data = (unsigned char *)PORT_ArenaAlloc(arena, entry->len); + } else { + entry->data = (unsigned char *)PORT_Alloc(entry->len); + } + + if (entry->data == NULL) { + return SECFailure; + } + + /* first length of oid */ + entry->data[0] = (unsigned char)oidData->oid.len; + /* next oid itself */ + PORT_Memcpy(&entry->data[1], oidData->oid.data, oidData->oid.len); + /* finally the encrypted check string */ + PORT_Memcpy(&entry->data[1 + oidData->oid.len], encCheck->data, + encCheck->len); + + return SECSuccess; +} + +#define MAX_DB_SIZE 0xffff +/* + * Clear out all the keys in the existing database + */ +static SECStatus +nsslowkey_ResetKeyDB(NSSLOWKEYDBHandle *handle) +{ + SECStatus rv; + int errors = 0; + + if (handle->db == NULL) { + return (SECSuccess); + } + + if (handle->readOnly) { + /* set an error code */ + return SECFailure; + } + + if (handle->appname == NULL && handle->dbname == NULL) { + return SECFailure; + } + + keydb_Close(handle); + if (handle->appname) { + handle->db = + rdbopen(handle->appname, handle->dbname, "key", NO_CREATE, NULL); + } else { + handle->db = dbopen(handle->dbname, NO_CREATE, 0600, DB_HASH, 0); + } + if (handle->db == NULL) { + /* set an error code */ + return SECFailure; + } + + rv = makeGlobalVersion(handle); + if (rv != SECSuccess) { + errors++; + goto done; + } + + if (handle->global_salt) { + rv = StoreKeyDBGlobalSalt(handle, handle->global_salt); + } else { + rv = makeGlobalSalt(handle); + if (rv == SECSuccess) { + handle->global_salt = GetKeyDBGlobalSalt(handle); + } + } + if (rv != SECSuccess) { + errors++; + } + +done: + /* sync the database */ + (void)keydb_Sync(handle, 0); + db_InitComplete(handle->db); + + return (errors == 0 ? SECSuccess : SECFailure); +} + +static int +keydb_Get(NSSLOWKEYDBHandle *kdb, DBT *key, DBT *data, unsigned int flags) +{ + int ret; + PRLock *kdbLock = kdb->lock; + DB *db = kdb->db; + + PORT_Assert(kdbLock != NULL); + PZ_Lock(kdbLock); + + ret = (*db->get)(db, key, data, flags); + + (void)PZ_Unlock(kdbLock); + + return (ret); +} + +static int +keydb_Put(NSSLOWKEYDBHandle *kdb, DBT *key, DBT *data, unsigned int flags) +{ + int ret = 0; + PRLock *kdbLock = kdb->lock; + DB *db = kdb->db; + + PORT_Assert(kdbLock != NULL); + PZ_Lock(kdbLock); + + ret = (*db->put)(db, key, data, flags); + + (void)PZ_Unlock(kdbLock); + + return (ret); +} + +static int +keydb_Sync(NSSLOWKEYDBHandle *kdb, unsigned int flags) +{ + int ret; + PRLock *kdbLock = kdb->lock; + DB *db = kdb->db; + + PORT_Assert(kdbLock != NULL); + PZ_Lock(kdbLock); + + ret = (*db->sync)(db, flags); + + (void)PZ_Unlock(kdbLock); + + return (ret); +} + +static int +keydb_Del(NSSLOWKEYDBHandle *kdb, DBT *key, unsigned int flags) +{ + int ret; + PRLock *kdbLock = kdb->lock; + DB *db = kdb->db; + + PORT_Assert(kdbLock != NULL); + PZ_Lock(kdbLock); + + ret = (*db->del)(db, key, flags); + + (void)PZ_Unlock(kdbLock); + + return (ret); +} + +static int +keydb_Seq(NSSLOWKEYDBHandle *kdb, DBT *key, DBT *data, unsigned int flags) +{ + int ret; + PRLock *kdbLock = kdb->lock; + DB *db = kdb->db; + + PORT_Assert(kdbLock != NULL); + PZ_Lock(kdbLock); + + ret = (*db->seq)(db, key, data, flags); + + (void)PZ_Unlock(kdbLock); + + return (ret); +} + +static void +keydb_Close(NSSLOWKEYDBHandle *kdb) +{ + PRLock *kdbLock = kdb->lock; + DB *db = kdb->db; + + PORT_Assert(kdbLock != NULL); + SKIP_AFTER_FORK(PZ_Lock(kdbLock)); + + (*db->close)(db); + + SKIP_AFTER_FORK(PZ_Unlock(kdbLock)); + + return; +} + +/* + * SDB Entry Points for the Key DB + */ + +CK_RV +lg_GetMetaData(SDB *sdb, const char *id, SECItem *item1, SECItem *item2) +{ + NSSLOWKEYDBHandle *keydb; + NSSLOWKEYPasswordEntry entry; + SECStatus rv; + + keydb = lg_getKeyDB(sdb); + if (keydb == NULL) { + return CKR_TOKEN_WRITE_PROTECTED; + } + if (PORT_Strcmp(id, "password") != 0) { + /* shouldn't happen */ + return CKR_GENERAL_ERROR; /* no extra data stored */ + } + rv = nsslowkey_GetPWCheckEntry(keydb, &entry); + if (rv != SECSuccess) { + return CKR_GENERAL_ERROR; + } + item1->len = entry.salt.len; + PORT_Memcpy(item1->data, entry.salt.data, item1->len); + item2->len = entry.value.len; + PORT_Memcpy(item2->data, entry.value.data, item2->len); + return CKR_OK; +} + +CK_RV +lg_PutMetaData(SDB *sdb, const char *id, + const SECItem *item1, const SECItem *item2) +{ + NSSLOWKEYDBHandle *keydb; + NSSLOWKEYPasswordEntry entry; + SECStatus rv; + + keydb = lg_getKeyDB(sdb); + if (keydb == NULL) { + return CKR_TOKEN_WRITE_PROTECTED; + } + if (PORT_Strcmp(id, "password") != 0) { + /* shouldn't happen */ + return CKR_GENERAL_ERROR; /* no extra data stored */ + } + entry.salt = *item1; + entry.value = *item2; + rv = nsslowkey_PutPWCheckEntry(keydb, &entry); + if (rv != SECSuccess) { + return CKR_GENERAL_ERROR; + } + return CKR_OK; +} + +CK_RV +lg_Reset(SDB *sdb) +{ + NSSLOWKEYDBHandle *keydb; + SECStatus rv; + + keydb = lg_getKeyDB(sdb); + if (keydb == NULL) { + return CKR_TOKEN_WRITE_PROTECTED; + } + rv = nsslowkey_ResetKeyDB(keydb); + if (rv != SECSuccess) { + return CKR_GENERAL_ERROR; + } + return CKR_OK; +} diff --git a/security/nss/lib/softoken/legacydb/keydbi.h b/security/nss/lib/softoken/legacydb/keydbi.h new file mode 100644 index 000000000..783c98ecc --- /dev/null +++ b/security/nss/lib/softoken/legacydb/keydbi.h @@ -0,0 +1,52 @@ +/* + * private.h - Private data structures for the software token library + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#ifndef _KEYDBI_H_ +#define _KEYDBI_H_ + +#include "nspr.h" +#include "seccomon.h" +#include "mcom_db.h" + +/* + * Handle structure for open key databases + */ +struct NSSLOWKEYDBHandleStr { + DB *db; + DB *updatedb; /* used when updating an old version */ + SECItem *global_salt; /* password hashing salt for this db */ + int version; /* version of the database */ + char *appname; /* multiaccess app name */ + char *dbname; /* name of the openned DB */ + PRBool readOnly; /* is the DB read only */ + PRLock *lock; + PRInt32 ref; /* reference count */ +}; + +/* +** Typedef for callback for traversing key database. +** "key" is the key used to index the data in the database (nickname) +** "data" is the key data +** "pdata" is the user's data +*/ +typedef SECStatus (*NSSLOWKEYTraverseKeysFunc)(DBT *key, DBT *data, void *pdata); + +SEC_BEGIN_PROTOS + +/* +** Traverse the entire key database, and pass the nicknames and keys to a +** user supplied function. +** "f" is the user function to call for each key +** "udata" is the user's data, which is passed through to "f" +*/ +extern SECStatus nsslowkey_TraverseKeys(NSSLOWKEYDBHandle *handle, + NSSLOWKEYTraverseKeysFunc f, + void *udata); + +SEC_END_PROTOS + +#endif /* _KEYDBI_H_ */ diff --git a/security/nss/lib/softoken/legacydb/legacydb.gyp b/security/nss/lib/softoken/legacydb/legacydb.gyp new file mode 100644 index 000000000..6431fb5c1 --- /dev/null +++ b/security/nss/lib/softoken/legacydb/legacydb.gyp @@ -0,0 +1,66 @@ +# This Source Code Form is subject to the terms of the Mozilla Public +# License, v. 2.0. If a copy of the MPL was not distributed with this +# file, You can obtain one at http://mozilla.org/MPL/2.0/. +{ + 'includes': [ + '../../../coreconf/config.gypi' + ], + 'targets': [ + { + 'target_name': 'nssdbm', + 'type': 'static_library', + 'sources': [ + 'dbmshim.c', + 'keydb.c', + 'lgattr.c', + 'lgcreate.c', + 'lgdestroy.c', + 'lgfind.c', + 'lgfips.c', + 'lginit.c', + 'lgutil.c', + 'lowcert.c', + 'lowkey.c', + 'pcertdb.c', + 'pk11db.c' + ], + 'dependencies': [ + '<(DEPTH)/exports.gyp:dbm_exports', + '<(DEPTH)/exports.gyp:nss_exports', + '<(DEPTH)/lib/freebl/freebl.gyp:freebl', + '<(DEPTH)/lib/dbm/src/src.gyp:dbm' + ] + }, + { + 'target_name': 'nssdbm3', + 'type': 'shared_library', + 'dependencies': [ + 'nssdbm' + ], + 'conditions': [ + [ 'moz_fold_libs==0', { + 'dependencies': [ + '<(DEPTH)/lib/util/util.gyp:nssutil3', + ], + }, { + 'libraries': [ + '<(moz_folded_library_name)', + ], + }], + ], + 'variables': { + 'mapfile': 'nssdbm.def' + } + } + ], + 'target_defaults': { + 'defines': [ + 'SHLIB_SUFFIX=\"<(dll_suffix)\"', + 'SHLIB_PREFIX=\"<(dll_prefix)\"', + 'LG_LIB_NAME=\"libnssdbm3.so\"' + ] + }, + 'variables': { + 'module': 'nss' + } +} diff --git a/security/nss/lib/softoken/legacydb/lgattr.c b/security/nss/lib/softoken/legacydb/lgattr.c new file mode 100644 index 000000000..5c2cbdbc6 --- /dev/null +++ b/security/nss/lib/softoken/legacydb/lgattr.c @@ -0,0 +1,1792 @@ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ +/* + * Internal PKCS #11 functions. Should only be called by pkcs11.c + */ +#include "pkcs11.h" +#include "lgdb.h" + +#include "pcertt.h" +#include "lowkeyi.h" +#include "pcert.h" +#include "blapi.h" +#include "secerr.h" +#include "secasn1.h" + +/* + * Cache the object we are working on during Set's and Get's + */ +typedef struct LGObjectCacheStr { + CK_OBJECT_CLASS objclass; + CK_OBJECT_HANDLE handle; + SDB *sdb; + void *objectInfo; + LGFreeFunc infoFree; + SECItem dbKey; +} LGObjectCache; + +static const CK_OBJECT_HANDLE lg_classArray[] = { + 0, CKO_PRIVATE_KEY, CKO_PUBLIC_KEY, CKO_SECRET_KEY, + CKO_NSS_TRUST, CKO_NSS_CRL, CKO_NSS_SMIME, + CKO_CERTIFICATE +}; + +#define handleToClass(handle) \ + lg_classArray[((handle & LG_TOKEN_TYPE_MASK)) >> LG_TOKEN_TYPE_SHIFT] + +static void lg_DestroyObjectCache(LGObjectCache *obj); + +static LGObjectCache * +lg_NewObjectCache(SDB *sdb, const SECItem *dbKey, CK_OBJECT_HANDLE handle) +{ + LGObjectCache *obj = NULL; + SECStatus rv; + + obj = PORT_New(LGObjectCache); + if (obj == NULL) { + return NULL; + } + + obj->objclass = handleToClass(handle); + obj->handle = handle; + obj->sdb = sdb; + obj->objectInfo = NULL; + obj->infoFree = NULL; + obj->dbKey.data = NULL; + obj->dbKey.len = 0; + lg_DBLock(sdb); + if (dbKey == NULL) { + dbKey = lg_lookupTokenKeyByHandle(sdb, handle); + } + if (dbKey == NULL) { + lg_DBUnlock(sdb); + goto loser; + } + rv = SECITEM_CopyItem(NULL, &obj->dbKey, dbKey); + lg_DBUnlock(sdb); + if (rv != SECSuccess) { + goto loser; + } + + return obj; +loser: + (void)lg_DestroyObjectCache(obj); + return NULL; +} + +/* + * free all the data associated with an object. Object reference count must + * be 'zero'. + */ +static void +lg_DestroyObjectCache(LGObjectCache *obj) +{ + if (obj->dbKey.data) { + PORT_Free(obj->dbKey.data); + obj->dbKey.data = NULL; + } + if (obj->objectInfo) { + (*obj->infoFree)(obj->objectInfo); + obj->objectInfo = NULL; + obj->infoFree = NULL; + } + PORT_Free(obj); +} +/* + * ******************** Attribute Utilities ******************************* + */ + +static CK_RV +lg_ULongAttribute(CK_ATTRIBUTE *attr, CK_ATTRIBUTE_TYPE type, CK_ULONG value) +{ + unsigned char *data; + int i; + + if (attr->pValue == NULL) { + attr->ulValueLen = 4; + return CKR_OK; + } + if (attr->ulValueLen < 4) { + attr->ulValueLen = (CK_ULONG)-1; + return CKR_BUFFER_TOO_SMALL; + } + + data = (unsigned char *)attr->pValue; + for (i = 0; i < 4; i++) { + data[i] = (value >> ((3 - i) * 8)) & 0xff; + } + attr->ulValueLen = 4; + return CKR_OK; +} + +static CK_RV +lg_CopyAttribute(CK_ATTRIBUTE *attr, CK_ATTRIBUTE_TYPE type, + CK_VOID_PTR value, CK_ULONG len) +{ + + if (attr->pValue == NULL) { + attr->ulValueLen = len; + return CKR_OK; + } + if (attr->ulValueLen < len) { + attr->ulValueLen = (CK_ULONG)-1; + return CKR_BUFFER_TOO_SMALL; + } + if (value != NULL) { + PORT_Memcpy(attr->pValue, value, len); + } + attr->ulValueLen = len; + return CKR_OK; +} + +static CK_RV +lg_CopyAttributeSigned(CK_ATTRIBUTE *attribute, CK_ATTRIBUTE_TYPE type, + void *value, CK_ULONG len) +{ + unsigned char *dval = (unsigned char *)value; + if (*dval == 0) { + dval++; + len--; + } + return lg_CopyAttribute(attribute, type, dval, len); +} + +static CK_RV +lg_CopyPrivAttribute(CK_ATTRIBUTE *attribute, CK_ATTRIBUTE_TYPE type, + void *value, CK_ULONG len, SDB *sdbpw) +{ + SECItem plainText, *cipherText = NULL; + CK_RV crv = CKR_USER_NOT_LOGGED_IN; + SECStatus rv; + + plainText.data = value; + plainText.len = len; + rv = lg_util_encrypt(NULL, sdbpw, &plainText, &cipherText); + if (rv != SECSuccess) { + goto loser; + } + crv = lg_CopyAttribute(attribute, type, cipherText->data, cipherText->len); +loser: + if (cipherText) { + SECITEM_FreeItem(cipherText, PR_TRUE); + } + return crv; +} + +static CK_RV +lg_CopyPrivAttrSigned(CK_ATTRIBUTE *attribute, CK_ATTRIBUTE_TYPE type, + void *value, CK_ULONG len, SDB *sdbpw) +{ + unsigned char *dval = (unsigned char *)value; + + if (*dval == 0) { + dval++; + len--; + } + return lg_CopyPrivAttribute(attribute, type, dval, len, sdbpw); +} + +static CK_RV +lg_invalidAttribute(CK_ATTRIBUTE *attr) +{ + attr->ulValueLen = (CK_ULONG)-1; + return CKR_ATTRIBUTE_TYPE_INVALID; +} + +#define LG_DEF_ATTRIBUTE(value, len) \ + { \ + 0, value, len \ + } + +#define LG_CLONE_ATTR(attribute, type, staticAttr) \ + lg_CopyAttribute(attribute, type, staticAttr.pValue, staticAttr.ulValueLen) + +CK_BBOOL lg_staticTrueValue = CK_TRUE; +CK_BBOOL lg_staticFalseValue = CK_FALSE; +static const CK_ATTRIBUTE lg_StaticTrueAttr = + LG_DEF_ATTRIBUTE(&lg_staticTrueValue, sizeof(lg_staticTrueValue)); +static const CK_ATTRIBUTE lg_StaticFalseAttr = + LG_DEF_ATTRIBUTE(&lg_staticFalseValue, sizeof(lg_staticFalseValue)); +static const CK_ATTRIBUTE lg_StaticNullAttr = LG_DEF_ATTRIBUTE(NULL, 0); +char lg_StaticOneValue = 1; + +/* + * helper functions which get the database and call the underlying + * low level database function. + */ +static char * +lg_FindKeyNicknameByPublicKey(SDB *sdb, SECItem *dbKey) +{ + NSSLOWKEYDBHandle *keyHandle; + char *label; + + keyHandle = lg_getKeyDB(sdb); + if (!keyHandle) { + return NULL; + } + + label = nsslowkey_FindKeyNicknameByPublicKey(keyHandle, dbKey, + sdb); + return label; +} + +NSSLOWKEYPrivateKey * +lg_FindKeyByPublicKey(SDB *sdb, SECItem *dbKey) +{ + NSSLOWKEYPrivateKey *privKey; + NSSLOWKEYDBHandle *keyHandle; + + keyHandle = lg_getKeyDB(sdb); + if (keyHandle == NULL) { + return NULL; + } + privKey = nsslowkey_FindKeyByPublicKey(keyHandle, dbKey, sdb); + if (privKey == NULL) { + return NULL; + } + return privKey; +} + +static certDBEntrySMime * +lg_getSMime(LGObjectCache *obj) +{ + certDBEntrySMime *entry; + NSSLOWCERTCertDBHandle *certHandle; + + if (obj->objclass != CKO_NSS_SMIME) { + return NULL; + } + if (obj->objectInfo) { + return (certDBEntrySMime *)obj->objectInfo; + } + + certHandle = lg_getCertDB(obj->sdb); + if (!certHandle) { + return NULL; + } + entry = nsslowcert_ReadDBSMimeEntry(certHandle, (char *)obj->dbKey.data); + obj->objectInfo = (void *)entry; + obj->infoFree = (LGFreeFunc)nsslowcert_DestroyDBEntry; + return entry; +} + +static certDBEntryRevocation * +lg_getCrl(LGObjectCache *obj) +{ + certDBEntryRevocation *crl; + PRBool isKrl; + NSSLOWCERTCertDBHandle *certHandle; + + if (obj->objclass != CKO_NSS_CRL) { + return NULL; + } + if (obj->objectInfo) { + return (certDBEntryRevocation *)obj->objectInfo; + } + + isKrl = (PRBool)(obj->handle == LG_TOKEN_KRL_HANDLE); + certHandle = lg_getCertDB(obj->sdb); + if (!certHandle) { + return NULL; + } + + crl = nsslowcert_FindCrlByKey(certHandle, &obj->dbKey, isKrl); + obj->objectInfo = (void *)crl; + obj->infoFree = (LGFreeFunc)nsslowcert_DestroyDBEntry; + return crl; +} + +static NSSLOWCERTCertificate * +lg_getCert(LGObjectCache *obj, NSSLOWCERTCertDBHandle *certHandle) +{ + NSSLOWCERTCertificate *cert; + CK_OBJECT_CLASS objClass = obj->objclass; + + if ((objClass != CKO_CERTIFICATE) && (objClass != CKO_NSS_TRUST)) { + return NULL; + } + if (objClass == CKO_CERTIFICATE && obj->objectInfo) { + return (NSSLOWCERTCertificate *)obj->objectInfo; + } + cert = nsslowcert_FindCertByKey(certHandle, &obj->dbKey); + if (objClass == CKO_CERTIFICATE) { + obj->objectInfo = (void *)cert; + obj->infoFree = (LGFreeFunc)nsslowcert_DestroyCertificate; + } + return cert; +} + +static NSSLOWCERTTrust * +lg_getTrust(LGObjectCache *obj, NSSLOWCERTCertDBHandle *certHandle) +{ + NSSLOWCERTTrust *trust; + + if (obj->objclass != CKO_NSS_TRUST) { + return NULL; + } + if (obj->objectInfo) { + return (NSSLOWCERTTrust *)obj->objectInfo; + } + trust = nsslowcert_FindTrustByKey(certHandle, &obj->dbKey); + obj->objectInfo = (void *)trust; + obj->infoFree = (LGFreeFunc)nsslowcert_DestroyTrust; + return trust; +} + +static NSSLOWKEYPublicKey * +lg_GetPublicKey(LGObjectCache *obj) +{ + NSSLOWKEYPublicKey *pubKey; + NSSLOWKEYPrivateKey *privKey; + + if (obj->objclass != CKO_PUBLIC_KEY) { + return NULL; + } + if (obj->objectInfo) { + return (NSSLOWKEYPublicKey *)obj->objectInfo; + } + privKey = lg_FindKeyByPublicKey(obj->sdb, &obj->dbKey); + if (privKey == NULL) { + return NULL; + } + pubKey = lg_nsslowkey_ConvertToPublicKey(privKey); + lg_nsslowkey_DestroyPrivateKey(privKey); + obj->objectInfo = (void *)pubKey; + obj->infoFree = (LGFreeFunc)lg_nsslowkey_DestroyPublicKey; + return pubKey; +} + +/* + * we need two versions of lg_GetPrivateKey. One version that takes the + * DB handle so we can pass the handle we have already acquired in, + * rather than going through the 'getKeyDB' code again, + * which may fail the second time and another which just aquires + * the key handle from the sdb (where we don't already have a key handle. + * This version does the former. + */ +static NSSLOWKEYPrivateKey * +lg_GetPrivateKeyWithDB(LGObjectCache *obj, NSSLOWKEYDBHandle *keyHandle) +{ + NSSLOWKEYPrivateKey *privKey; + + if ((obj->objclass != CKO_PRIVATE_KEY) && + (obj->objclass != CKO_SECRET_KEY)) { + return NULL; + } + if (obj->objectInfo) { + return (NSSLOWKEYPrivateKey *)obj->objectInfo; + } + privKey = nsslowkey_FindKeyByPublicKey(keyHandle, &obj->dbKey, obj->sdb); + if (privKey == NULL) { + return NULL; + } + obj->objectInfo = (void *)privKey; + obj->infoFree = (LGFreeFunc)lg_nsslowkey_DestroyPrivateKey; + return privKey; +} + +/* this version does the latter */ +static NSSLOWKEYPrivateKey * +lg_GetPrivateKey(LGObjectCache *obj) +{ + NSSLOWKEYDBHandle *keyHandle; + NSSLOWKEYPrivateKey *privKey; + + keyHandle = lg_getKeyDB(obj->sdb); + if (!keyHandle) { + return NULL; + } + privKey = lg_GetPrivateKeyWithDB(obj, keyHandle); + return privKey; +} + +/* lg_GetPubItem returns data associated with the public key. + * one only needs to free the public key. This comment is here + * because this sematic would be non-obvious otherwise. All callers + * should include this comment. + */ +static SECItem * +lg_GetPubItem(NSSLOWKEYPublicKey *pubKey) +{ + SECItem *pubItem = NULL; + /* get value to compare from the cert's public key */ + switch (pubKey->keyType) { + case NSSLOWKEYRSAKey: + pubItem = &pubKey->u.rsa.modulus; + break; + case NSSLOWKEYDSAKey: + pubItem = &pubKey->u.dsa.publicValue; + break; + case NSSLOWKEYDHKey: + pubItem = &pubKey->u.dh.publicValue; + break; +#ifndef NSS_DISABLE_ECC + case NSSLOWKEYECKey: + pubItem = &pubKey->u.ec.publicValue; + break; +#endif /* NSS_DISABLE_ECC */ + default: + break; + } + return pubItem; +} + +static CK_RV +lg_FindRSAPublicKeyAttribute(NSSLOWKEYPublicKey *key, CK_ATTRIBUTE_TYPE type, + CK_ATTRIBUTE *attribute) +{ + unsigned char hash[SHA1_LENGTH]; + CK_KEY_TYPE keyType = CKK_RSA; + + switch (type) { + case CKA_KEY_TYPE: + return lg_ULongAttribute(attribute, type, keyType); + case CKA_ID: + SHA1_HashBuf(hash, key->u.rsa.modulus.data, key->u.rsa.modulus.len); + return lg_CopyAttribute(attribute, type, hash, SHA1_LENGTH); + case CKA_DERIVE: + return LG_CLONE_ATTR(attribute, type, lg_StaticFalseAttr); + case CKA_ENCRYPT: + case CKA_VERIFY: + case CKA_VERIFY_RECOVER: + case CKA_WRAP: + return LG_CLONE_ATTR(attribute, type, lg_StaticTrueAttr); + case CKA_MODULUS: + return lg_CopyAttributeSigned(attribute, type, key->u.rsa.modulus.data, + key->u.rsa.modulus.len); + case CKA_PUBLIC_EXPONENT: + return lg_CopyAttributeSigned(attribute, type, + key->u.rsa.publicExponent.data, + key->u.rsa.publicExponent.len); + default: + break; + } + return lg_invalidAttribute(attribute); +} + +static CK_RV +lg_FindDSAPublicKeyAttribute(NSSLOWKEYPublicKey *key, CK_ATTRIBUTE_TYPE type, + CK_ATTRIBUTE *attribute) +{ + unsigned char hash[SHA1_LENGTH]; + CK_KEY_TYPE keyType = CKK_DSA; + + switch (type) { + case CKA_KEY_TYPE: + return lg_ULongAttribute(attribute, type, keyType); + case CKA_ID: + SHA1_HashBuf(hash, key->u.dsa.publicValue.data, + key->u.dsa.publicValue.len); + return lg_CopyAttribute(attribute, type, hash, SHA1_LENGTH); + case CKA_DERIVE: + case CKA_ENCRYPT: + case CKA_VERIFY_RECOVER: + case CKA_WRAP: + return LG_CLONE_ATTR(attribute, type, lg_StaticFalseAttr); + case CKA_VERIFY: + return LG_CLONE_ATTR(attribute, type, lg_StaticTrueAttr); + case CKA_VALUE: + return lg_CopyAttributeSigned(attribute, type, + key->u.dsa.publicValue.data, + key->u.dsa.publicValue.len); + case CKA_PRIME: + return lg_CopyAttributeSigned(attribute, type, + key->u.dsa.params.prime.data, + key->u.dsa.params.prime.len); + case CKA_SUBPRIME: + return lg_CopyAttributeSigned(attribute, type, + key->u.dsa.params.subPrime.data, + key->u.dsa.params.subPrime.len); + case CKA_BASE: + return lg_CopyAttributeSigned(attribute, type, + key->u.dsa.params.base.data, + key->u.dsa.params.base.len); + default: + break; + } + return lg_invalidAttribute(attribute); +} + +static CK_RV +lg_FindDHPublicKeyAttribute(NSSLOWKEYPublicKey *key, CK_ATTRIBUTE_TYPE type, + CK_ATTRIBUTE *attribute) +{ + unsigned char hash[SHA1_LENGTH]; + CK_KEY_TYPE keyType = CKK_DH; + + switch (type) { + case CKA_KEY_TYPE: + return lg_ULongAttribute(attribute, type, keyType); + case CKA_ID: + SHA1_HashBuf(hash, key->u.dh.publicValue.data, key->u.dh.publicValue.len); + return lg_CopyAttribute(attribute, type, hash, SHA1_LENGTH); + case CKA_DERIVE: + return LG_CLONE_ATTR(attribute, type, lg_StaticTrueAttr); + case CKA_ENCRYPT: + case CKA_VERIFY: + case CKA_VERIFY_RECOVER: + case CKA_WRAP: + return LG_CLONE_ATTR(attribute, type, lg_StaticFalseAttr); + case CKA_VALUE: + return lg_CopyAttributeSigned(attribute, type, + key->u.dh.publicValue.data, + key->u.dh.publicValue.len); + case CKA_PRIME: + return lg_CopyAttributeSigned(attribute, type, key->u.dh.prime.data, + key->u.dh.prime.len); + case CKA_BASE: + return lg_CopyAttributeSigned(attribute, type, key->u.dh.base.data, + key->u.dh.base.len); + default: + break; + } + return lg_invalidAttribute(attribute); +} + +#ifndef NSS_DISABLE_ECC +static CK_RV +lg_FindECPublicKeyAttribute(NSSLOWKEYPublicKey *key, CK_ATTRIBUTE_TYPE type, + CK_ATTRIBUTE *attribute) +{ + unsigned char hash[SHA1_LENGTH]; + CK_KEY_TYPE keyType = CKK_EC; + + switch (type) { + case CKA_KEY_TYPE: + return lg_ULongAttribute(attribute, type, keyType); + case CKA_ID: + SHA1_HashBuf(hash, key->u.ec.publicValue.data, + key->u.ec.publicValue.len); + return lg_CopyAttribute(attribute, type, hash, SHA1_LENGTH); + case CKA_DERIVE: + case CKA_VERIFY: + return LG_CLONE_ATTR(attribute, type, lg_StaticTrueAttr); + case CKA_ENCRYPT: + case CKA_VERIFY_RECOVER: + case CKA_WRAP: + return LG_CLONE_ATTR(attribute, type, lg_StaticFalseAttr); + case CKA_EC_PARAMS: + return lg_CopyAttributeSigned(attribute, type, + key->u.ec.ecParams.DEREncoding.data, + key->u.ec.ecParams.DEREncoding.len); + case CKA_EC_POINT: + if (PR_GetEnvSecure("NSS_USE_DECODED_CKA_EC_POINT")) { + return lg_CopyAttributeSigned(attribute, type, + key->u.ec.publicValue.data, + key->u.ec.publicValue.len); + } else { + SECItem *pubValue = SEC_ASN1EncodeItem(NULL, NULL, + &(key->u.ec.publicValue), + SEC_ASN1_GET(SEC_OctetStringTemplate)); + CK_RV crv; + if (!pubValue) { + return CKR_HOST_MEMORY; + } + crv = lg_CopyAttributeSigned(attribute, type, + pubValue->data, + pubValue->len); + SECITEM_FreeItem(pubValue, PR_TRUE); + return crv; + } + default: + break; + } + return lg_invalidAttribute(attribute); +} +#endif /* NSS_DISABLE_ECC */ + +static CK_RV +lg_FindPublicKeyAttribute(LGObjectCache *obj, CK_ATTRIBUTE_TYPE type, + CK_ATTRIBUTE *attribute) +{ + NSSLOWKEYPublicKey *key; + CK_RV crv; + char *label; + + switch (type) { + case CKA_PRIVATE: + case CKA_SENSITIVE: + case CKA_ALWAYS_SENSITIVE: + case CKA_NEVER_EXTRACTABLE: + return LG_CLONE_ATTR(attribute, type, lg_StaticFalseAttr); + case CKA_MODIFIABLE: + case CKA_EXTRACTABLE: + return LG_CLONE_ATTR(attribute, type, lg_StaticTrueAttr); + case CKA_SUBJECT: + return LG_CLONE_ATTR(attribute, type, lg_StaticNullAttr); + case CKA_START_DATE: + case CKA_END_DATE: + return LG_CLONE_ATTR(attribute, type, lg_StaticNullAttr); + case CKA_LABEL: + label = lg_FindKeyNicknameByPublicKey(obj->sdb, &obj->dbKey); + if (label == NULL) { + return LG_CLONE_ATTR(attribute, type, lg_StaticNullAttr); + } + crv = lg_CopyAttribute(attribute, type, label, PORT_Strlen(label)); + PORT_Free(label); + return crv; + default: + break; + } + + key = lg_GetPublicKey(obj); + if (key == NULL) { + if (type == CKA_ID) { + return LG_CLONE_ATTR(attribute, type, lg_StaticNullAttr); + } + return CKR_OBJECT_HANDLE_INVALID; + } + + switch (key->keyType) { + case NSSLOWKEYRSAKey: + return lg_FindRSAPublicKeyAttribute(key, type, attribute); + case NSSLOWKEYDSAKey: + return lg_FindDSAPublicKeyAttribute(key, type, attribute); + case NSSLOWKEYDHKey: + return lg_FindDHPublicKeyAttribute(key, type, attribute); +#ifndef NSS_DISABLE_ECC + case NSSLOWKEYECKey: + return lg_FindECPublicKeyAttribute(key, type, attribute); +#endif /* NSS_DISABLE_ECC */ + default: + break; + } + + return lg_invalidAttribute(attribute); +} + +static CK_RV +lg_FindSecretKeyAttribute(LGObjectCache *obj, CK_ATTRIBUTE_TYPE type, + CK_ATTRIBUTE *attribute) +{ + NSSLOWKEYPrivateKey *key; + char *label; + unsigned char *keyString; + CK_RV crv; + int keyTypeLen; + CK_ULONG keyLen; + CK_KEY_TYPE keyType; + PRUint32 keyTypeStorage; + + switch (type) { + case CKA_PRIVATE: + case CKA_SENSITIVE: + case CKA_ALWAYS_SENSITIVE: + case CKA_EXTRACTABLE: + case CKA_DERIVE: + case CKA_ENCRYPT: + case CKA_DECRYPT: + case CKA_SIGN: + case CKA_VERIFY: + case CKA_WRAP: + case CKA_UNWRAP: + case CKA_MODIFIABLE: + case CKA_LOCAL: + return LG_CLONE_ATTR(attribute, type, lg_StaticTrueAttr); + case CKA_NEVER_EXTRACTABLE: + return LG_CLONE_ATTR(attribute, type, lg_StaticFalseAttr); + case CKA_START_DATE: + case CKA_END_DATE: + return LG_CLONE_ATTR(attribute, type, lg_StaticNullAttr); + case CKA_LABEL: + label = lg_FindKeyNicknameByPublicKey(obj->sdb, &obj->dbKey); + if (label == NULL) { + return LG_CLONE_ATTR(attribute, type, lg_StaticNullAttr); + } + crv = lg_CopyAttribute(attribute, type, label, PORT_Strlen(label)); + PORT_Free(label); + return crv; + case CKA_ID: + return lg_CopyAttribute(attribute, type, obj->dbKey.data, + obj->dbKey.len); + case CKA_KEY_TYPE: + case CKA_VALUE_LEN: + case CKA_VALUE: + break; + default: + return lg_invalidAttribute(attribute); + } + + key = lg_GetPrivateKey(obj); + if (key == NULL) { + return CKR_OBJECT_HANDLE_INVALID; + } + switch (type) { + case CKA_KEY_TYPE: + /* handle legacy databases. In legacy databases key_type was stored + * in host order, with any leading zeros stripped off. Only key types + * under 0x1f (AES) were stored. We assume that any values which are + * either 1 byte long (big endian), or have byte[0] between 0 and + * 0x7f and bytes[1]-bytes[3] equal to '0' (little endian). All other + * values are assumed to be from the new database, which is always 4 + * bytes in network order */ + keyType = 0; + keyString = key->u.rsa.coefficient.data; + keyTypeLen = key->u.rsa.coefficient.len; + + /* + * Because of various endian and word lengths The database may have + * stored the keyType value in one of the following formats: + * (kt) <= 0x1f + * length data + * Big Endian, pre-3.9, all lengths: 1 (kt) + * Little Endian, pre-3.9, 32 bits: 4 (kt) 0 0 0 + * Little Endian, pre-3.9, 64 bits: 8 (kt) 0 0 0 0 0 0 0 + * All platforms, 3.9, 32 bits: 4 0 0 0 (kt) + * Big Endian, 3.9, 64 bits: 8 0 0 0 (kt) 0 0 0 0 + * Little Endian, 3.9, 64 bits: 8 0 0 0 0 0 0 0 (kt) + * All platforms, >= 3.9.1, all lengths: 4 (a) k1 k2 k3 + * where (a) is 0 or >= 0x80. currently (a) can only be 0. + */ + /* + * this key was written on a 64 bit platform with a using NSS 3.9 + * or earlier. Reduce the 64 bit possibilities above. When we are + * through, we will only have: + * + * Big Endian, pre-3.9, all lengths: 1 (kt) + * Little Endian, pre-3.9, all lengths: 4 (kt) 0 0 0 + * All platforms, 3.9, all lengths: 4 0 0 0 (kt) + * All platforms, => 3.9.1, all lengths: 4 (a) k1 k2 k3 + */ + if (keyTypeLen == 8) { + keyTypeStorage = *(PRUint32 *)keyString; + if (keyTypeStorage == 0) { + keyString += sizeof(PRUint32); + } + keyTypeLen = 4; + } + /* + * Now Handle: + * + * All platforms, 3.9, all lengths: 4 0 0 0 (kt) + * All platforms, => 3.9.1, all lengths: 4 (a) k1 k2 k3 + * + * NOTE: if kt == 0 or ak1k2k3 == 0, the test fails and + * we handle it as: + * + * Little Endian, pre-3.9, all lengths: 4 (kt) 0 0 0 + */ + if (keyTypeLen == sizeof(keyTypeStorage) && + (((keyString[0] & 0x80) == 0x80) || + !((keyString[1] == 0) && (keyString[2] == 0) && (keyString[3] == 0)))) { + PORT_Memcpy(&keyTypeStorage, keyString, sizeof(keyTypeStorage)); + keyType = (CK_KEY_TYPE)PR_ntohl(keyTypeStorage); + } else { + /* + * Now Handle: + * + * Big Endian, pre-3.9, all lengths: 1 (kt) + * Little Endian, pre-3.9, all lengths: 4 (kt) 0 0 0 + * -- KeyType == 0 all other cases ---: 4 0 0 0 0 + */ + keyType = (CK_KEY_TYPE)keyString[0]; + } + return lg_ULongAttribute(attribute, type, keyType); + case CKA_VALUE: + return lg_CopyPrivAttribute(attribute, type, key->u.rsa.privateExponent.data, + key->u.rsa.privateExponent.len, obj->sdb); + case CKA_VALUE_LEN: + keyLen = key->u.rsa.privateExponent.len; + return lg_ULongAttribute(attribute, type, keyLen); + } + return lg_invalidAttribute(attribute); +} + +static CK_RV +lg_FindRSAPrivateKeyAttribute(NSSLOWKEYPrivateKey *key, CK_ATTRIBUTE_TYPE type, + CK_ATTRIBUTE *attribute, SDB *sdbpw) +{ + unsigned char hash[SHA1_LENGTH]; + CK_KEY_TYPE keyType = CKK_RSA; + + switch (type) { + case CKA_KEY_TYPE: + return lg_ULongAttribute(attribute, type, keyType); + case CKA_ID: + SHA1_HashBuf(hash, key->u.rsa.modulus.data, key->u.rsa.modulus.len); + return lg_CopyAttribute(attribute, type, hash, SHA1_LENGTH); + case CKA_DERIVE: + return LG_CLONE_ATTR(attribute, type, lg_StaticFalseAttr); + case CKA_DECRYPT: + case CKA_SIGN: + case CKA_SIGN_RECOVER: + case CKA_UNWRAP: + return LG_CLONE_ATTR(attribute, type, lg_StaticTrueAttr); + case CKA_MODULUS: + return lg_CopyAttributeSigned(attribute, type, key->u.rsa.modulus.data, + key->u.rsa.modulus.len); + case CKA_PUBLIC_EXPONENT: + return lg_CopyAttributeSigned(attribute, type, + key->u.rsa.publicExponent.data, + key->u.rsa.publicExponent.len); + case CKA_PRIVATE_EXPONENT: + return lg_CopyPrivAttrSigned(attribute, type, + key->u.rsa.privateExponent.data, + key->u.rsa.privateExponent.len, sdbpw); + case CKA_PRIME_1: + return lg_CopyPrivAttrSigned(attribute, type, key->u.rsa.prime1.data, + key->u.rsa.prime1.len, sdbpw); + case CKA_PRIME_2: + return lg_CopyPrivAttrSigned(attribute, type, key->u.rsa.prime2.data, + key->u.rsa.prime2.len, sdbpw); + case CKA_EXPONENT_1: + return lg_CopyPrivAttrSigned(attribute, type, + key->u.rsa.exponent1.data, + key->u.rsa.exponent1.len, sdbpw); + case CKA_EXPONENT_2: + return lg_CopyPrivAttrSigned(attribute, type, + key->u.rsa.exponent2.data, + key->u.rsa.exponent2.len, sdbpw); + case CKA_COEFFICIENT: + return lg_CopyPrivAttrSigned(attribute, type, + key->u.rsa.coefficient.data, + key->u.rsa.coefficient.len, sdbpw); + default: + break; + } + return lg_invalidAttribute(attribute); +} + +static CK_RV +lg_FindDSAPrivateKeyAttribute(NSSLOWKEYPrivateKey *key, CK_ATTRIBUTE_TYPE type, + CK_ATTRIBUTE *attribute, SDB *sdbpw) +{ + unsigned char hash[SHA1_LENGTH]; + CK_KEY_TYPE keyType = CKK_DSA; + + switch (type) { + case CKA_KEY_TYPE: + return lg_ULongAttribute(attribute, type, keyType); + case CKA_ID: + SHA1_HashBuf(hash, key->u.dsa.publicValue.data, + key->u.dsa.publicValue.len); + return lg_CopyAttribute(attribute, type, hash, SHA1_LENGTH); + case CKA_DERIVE: + case CKA_DECRYPT: + case CKA_SIGN_RECOVER: + case CKA_UNWRAP: + return LG_CLONE_ATTR(attribute, type, lg_StaticFalseAttr); + case CKA_SIGN: + return LG_CLONE_ATTR(attribute, type, lg_StaticTrueAttr); + case CKA_VALUE: + return lg_CopyPrivAttrSigned(attribute, type, + key->u.dsa.privateValue.data, + key->u.dsa.privateValue.len, sdbpw); + case CKA_PRIME: + return lg_CopyAttributeSigned(attribute, type, + key->u.dsa.params.prime.data, + key->u.dsa.params.prime.len); + case CKA_SUBPRIME: + return lg_CopyAttributeSigned(attribute, type, + key->u.dsa.params.subPrime.data, + key->u.dsa.params.subPrime.len); + case CKA_BASE: + return lg_CopyAttributeSigned(attribute, type, + key->u.dsa.params.base.data, + key->u.dsa.params.base.len); + case CKA_NETSCAPE_DB: + return lg_CopyAttributeSigned(attribute, type, + key->u.dsa.publicValue.data, + key->u.dsa.publicValue.len); + default: + break; + } + return lg_invalidAttribute(attribute); +} + +static CK_RV +lg_FindDHPrivateKeyAttribute(NSSLOWKEYPrivateKey *key, CK_ATTRIBUTE_TYPE type, + CK_ATTRIBUTE *attribute, SDB *sdbpw) +{ + unsigned char hash[SHA1_LENGTH]; + CK_KEY_TYPE keyType = CKK_DH; + + switch (type) { + case CKA_KEY_TYPE: + return lg_ULongAttribute(attribute, type, keyType); + case CKA_ID: + SHA1_HashBuf(hash, key->u.dh.publicValue.data, key->u.dh.publicValue.len); + return lg_CopyAttribute(attribute, type, hash, SHA1_LENGTH); + case CKA_DERIVE: + return LG_CLONE_ATTR(attribute, type, lg_StaticTrueAttr); + case CKA_DECRYPT: + case CKA_SIGN: + case CKA_SIGN_RECOVER: + case CKA_UNWRAP: + return LG_CLONE_ATTR(attribute, type, lg_StaticFalseAttr); + case CKA_VALUE: + return lg_CopyPrivAttrSigned(attribute, type, + key->u.dh.privateValue.data, + key->u.dh.privateValue.len, sdbpw); + case CKA_PRIME: + return lg_CopyAttributeSigned(attribute, type, key->u.dh.prime.data, + key->u.dh.prime.len); + case CKA_BASE: + return lg_CopyAttributeSigned(attribute, type, key->u.dh.base.data, + key->u.dh.base.len); + case CKA_NETSCAPE_DB: + return lg_CopyAttributeSigned(attribute, type, + key->u.dh.publicValue.data, + key->u.dh.publicValue.len); + default: + break; + } + return lg_invalidAttribute(attribute); +} + +#ifndef NSS_DISABLE_ECC +static CK_RV +lg_FindECPrivateKeyAttribute(NSSLOWKEYPrivateKey *key, CK_ATTRIBUTE_TYPE type, + CK_ATTRIBUTE *attribute, SDB *sdbpw) +{ + unsigned char hash[SHA1_LENGTH]; + CK_KEY_TYPE keyType = CKK_EC; + + switch (type) { + case CKA_KEY_TYPE: + return lg_ULongAttribute(attribute, type, keyType); + case CKA_ID: + SHA1_HashBuf(hash, key->u.ec.publicValue.data, key->u.ec.publicValue.len); + return lg_CopyAttribute(attribute, type, hash, SHA1_LENGTH); + case CKA_DERIVE: + case CKA_SIGN: + return LG_CLONE_ATTR(attribute, type, lg_StaticTrueAttr); + case CKA_DECRYPT: + case CKA_SIGN_RECOVER: + case CKA_UNWRAP: + return LG_CLONE_ATTR(attribute, type, lg_StaticFalseAttr); + case CKA_VALUE: + return lg_CopyPrivAttrSigned(attribute, type, + key->u.ec.privateValue.data, + key->u.ec.privateValue.len, sdbpw); + case CKA_EC_PARAMS: + return lg_CopyAttributeSigned(attribute, type, + key->u.ec.ecParams.DEREncoding.data, + key->u.ec.ecParams.DEREncoding.len); + case CKA_NETSCAPE_DB: + return lg_CopyAttributeSigned(attribute, type, + key->u.ec.publicValue.data, + key->u.ec.publicValue.len); + default: + break; + } + return lg_invalidAttribute(attribute); +} +#endif /* NSS_DISABLE_ECC */ + +static CK_RV +lg_FindPrivateKeyAttribute(LGObjectCache *obj, CK_ATTRIBUTE_TYPE type, + CK_ATTRIBUTE *attribute) +{ + NSSLOWKEYPrivateKey *key; + char *label; + CK_RV crv; + + switch (type) { + case CKA_PRIVATE: + case CKA_SENSITIVE: + case CKA_ALWAYS_SENSITIVE: + case CKA_EXTRACTABLE: + case CKA_MODIFIABLE: + case CKA_LOCAL: + return LG_CLONE_ATTR(attribute, type, lg_StaticTrueAttr); + case CKA_NEVER_EXTRACTABLE: + return LG_CLONE_ATTR(attribute, type, lg_StaticFalseAttr); + case CKA_SUBJECT: + return LG_CLONE_ATTR(attribute, type, lg_StaticNullAttr); + case CKA_START_DATE: + case CKA_END_DATE: + return LG_CLONE_ATTR(attribute, type, lg_StaticNullAttr); + case CKA_LABEL: + label = lg_FindKeyNicknameByPublicKey(obj->sdb, &obj->dbKey); + if (label == NULL) { + return LG_CLONE_ATTR(attribute, type, lg_StaticNullAttr); + } + crv = lg_CopyAttribute(attribute, type, label, PORT_Strlen(label)); + PORT_Free(label); + return crv; + default: + break; + } + key = lg_GetPrivateKey(obj); + if (key == NULL) { + return CKR_OBJECT_HANDLE_INVALID; + } + switch (key->keyType) { + case NSSLOWKEYRSAKey: + return lg_FindRSAPrivateKeyAttribute(key, type, attribute, obj->sdb); + case NSSLOWKEYDSAKey: + return lg_FindDSAPrivateKeyAttribute(key, type, attribute, obj->sdb); + case NSSLOWKEYDHKey: + return lg_FindDHPrivateKeyAttribute(key, type, attribute, obj->sdb); +#ifndef NSS_DISABLE_ECC + case NSSLOWKEYECKey: + return lg_FindECPrivateKeyAttribute(key, type, attribute, obj->sdb); +#endif /* NSS_DISABLE_ECC */ + default: + break; + } + + return lg_invalidAttribute(attribute); +} + +static CK_RV +lg_FindSMIMEAttribute(LGObjectCache *obj, CK_ATTRIBUTE_TYPE type, + CK_ATTRIBUTE *attribute) +{ + certDBEntrySMime *entry; + switch (type) { + case CKA_PRIVATE: + case CKA_MODIFIABLE: + return LG_CLONE_ATTR(attribute, type, lg_StaticFalseAttr); + case CKA_NSS_EMAIL: + return lg_CopyAttribute(attribute, type, obj->dbKey.data, + obj->dbKey.len - 1); + case CKA_NSS_SMIME_TIMESTAMP: + case CKA_SUBJECT: + case CKA_VALUE: + break; + default: + return lg_invalidAttribute(attribute); + } + entry = lg_getSMime(obj); + if (entry == NULL) { + return CKR_OBJECT_HANDLE_INVALID; + } + switch (type) { + case CKA_NSS_SMIME_TIMESTAMP: + return lg_CopyAttribute(attribute, type, entry->optionsDate.data, + entry->optionsDate.len); + case CKA_SUBJECT: + return lg_CopyAttribute(attribute, type, entry->subjectName.data, + entry->subjectName.len); + case CKA_VALUE: + return lg_CopyAttribute(attribute, type, entry->smimeOptions.data, + entry->smimeOptions.len); + default: + break; + } + return lg_invalidAttribute(attribute); +} + +static CK_RV +lg_FindTrustAttribute(LGObjectCache *obj, CK_ATTRIBUTE_TYPE type, + CK_ATTRIBUTE *attribute) +{ + NSSLOWCERTTrust *trust; + NSSLOWCERTCertDBHandle *certHandle; + NSSLOWCERTCertificate *cert; + unsigned char hash[SHA1_LENGTH]; + unsigned int trustFlags; + CK_RV crv; + + switch (type) { + case CKA_PRIVATE: + return LG_CLONE_ATTR(attribute, type, lg_StaticFalseAttr); + case CKA_MODIFIABLE: + return LG_CLONE_ATTR(attribute, type, lg_StaticTrueAttr); + case CKA_CERT_SHA1_HASH: + case CKA_CERT_MD5_HASH: + case CKA_TRUST_CLIENT_AUTH: + case CKA_TRUST_SERVER_AUTH: + case CKA_TRUST_EMAIL_PROTECTION: + case CKA_TRUST_CODE_SIGNING: + case CKA_TRUST_STEP_UP_APPROVED: + case CKA_ISSUER: + case CKA_SERIAL_NUMBER: + break; + default: + return lg_invalidAttribute(attribute); + } + certHandle = lg_getCertDB(obj->sdb); + if (!certHandle) { + return CKR_OBJECT_HANDLE_INVALID; + } + trust = lg_getTrust(obj, certHandle); + if (trust == NULL) { + return CKR_OBJECT_HANDLE_INVALID; + } + switch (type) { + case CKA_CERT_SHA1_HASH: + SHA1_HashBuf(hash, trust->derCert->data, trust->derCert->len); + return lg_CopyAttribute(attribute, type, hash, SHA1_LENGTH); + case CKA_CERT_MD5_HASH: + MD5_HashBuf(hash, trust->derCert->data, trust->derCert->len); + return lg_CopyAttribute(attribute, type, hash, MD5_LENGTH); + case CKA_TRUST_CLIENT_AUTH: + trustFlags = trust->trust->sslFlags & + CERTDB_TRUSTED_CLIENT_CA + ? trust->trust->sslFlags | CERTDB_TRUSTED_CA + : 0; + goto trust; + case CKA_TRUST_SERVER_AUTH: + trustFlags = trust->trust->sslFlags; + goto trust; + case CKA_TRUST_EMAIL_PROTECTION: + trustFlags = trust->trust->emailFlags; + goto trust; + case CKA_TRUST_CODE_SIGNING: + trustFlags = trust->trust->objectSigningFlags; + trust: + if (trustFlags & CERTDB_TRUSTED_CA) { + return lg_ULongAttribute(attribute, type, + CKT_NSS_TRUSTED_DELEGATOR); + } + if (trustFlags & CERTDB_TRUSTED) { + return lg_ULongAttribute(attribute, type, CKT_NSS_TRUSTED); + } + if (trustFlags & CERTDB_MUST_VERIFY) { + return lg_ULongAttribute(attribute, type, + CKT_NSS_MUST_VERIFY_TRUST); + } + if (trustFlags & CERTDB_TRUSTED_UNKNOWN) { + return lg_ULongAttribute(attribute, type, CKT_NSS_TRUST_UNKNOWN); + } + if (trustFlags & CERTDB_VALID_CA) { + return lg_ULongAttribute(attribute, type, CKT_NSS_VALID_DELEGATOR); + } + if (trustFlags & CERTDB_TERMINAL_RECORD) { + return lg_ULongAttribute(attribute, type, CKT_NSS_NOT_TRUSTED); + } + return lg_ULongAttribute(attribute, type, CKT_NSS_TRUST_UNKNOWN); + case CKA_TRUST_STEP_UP_APPROVED: + if (trust->trust->sslFlags & CERTDB_GOVT_APPROVED_CA) { + return LG_CLONE_ATTR(attribute, type, lg_StaticTrueAttr); + } else { + return LG_CLONE_ATTR(attribute, type, lg_StaticFalseAttr); + } + default: + break; + } + + switch (type) { + case CKA_ISSUER: + cert = lg_getCert(obj, certHandle); + if (cert == NULL) + break; + crv = lg_CopyAttribute(attribute, type, cert->derIssuer.data, + cert->derIssuer.len); + break; + case CKA_SERIAL_NUMBER: + cert = lg_getCert(obj, certHandle); + if (cert == NULL) + break; + crv = lg_CopyAttribute(attribute, type, cert->derSN.data, + cert->derSN.len); + break; + default: + cert = NULL; + break; + } + if (cert) { + nsslowcert_DestroyCertificate(cert); + return crv; + } + return lg_invalidAttribute(attribute); +} + +static CK_RV +lg_FindCrlAttribute(LGObjectCache *obj, CK_ATTRIBUTE_TYPE type, + CK_ATTRIBUTE *attribute) +{ + certDBEntryRevocation *crl; + + switch (type) { + case CKA_PRIVATE: + case CKA_MODIFIABLE: + return LG_CLONE_ATTR(attribute, type, lg_StaticFalseAttr); + case CKA_NSS_KRL: + return ((obj->handle == LG_TOKEN_KRL_HANDLE) + ? LG_CLONE_ATTR(attribute, type, lg_StaticTrueAttr) + : LG_CLONE_ATTR(attribute, type, lg_StaticFalseAttr)); + case CKA_SUBJECT: + return lg_CopyAttribute(attribute, type, obj->dbKey.data, + obj->dbKey.len); + case CKA_NSS_URL: + case CKA_VALUE: + break; + default: + return lg_invalidAttribute(attribute); + } + crl = lg_getCrl(obj); + if (!crl) { + return CKR_OBJECT_HANDLE_INVALID; + } + switch (type) { + case CKA_NSS_URL: + if (crl->url == NULL) { + return LG_CLONE_ATTR(attribute, type, lg_StaticNullAttr); + } + return lg_CopyAttribute(attribute, type, crl->url, + PORT_Strlen(crl->url) + 1); + case CKA_VALUE: + return lg_CopyAttribute(attribute, type, crl->derCrl.data, + crl->derCrl.len); + default: + break; + } + return lg_invalidAttribute(attribute); +} + +static CK_RV +lg_FindCertAttribute(LGObjectCache *obj, CK_ATTRIBUTE_TYPE type, + CK_ATTRIBUTE *attribute) +{ + NSSLOWCERTCertificate *cert; + NSSLOWCERTCertDBHandle *certHandle; + NSSLOWKEYPublicKey *pubKey; + unsigned char hash[SHA1_LENGTH]; + SECItem *item; + + switch (type) { + case CKA_PRIVATE: + return LG_CLONE_ATTR(attribute, type, lg_StaticFalseAttr); + case CKA_MODIFIABLE: + return LG_CLONE_ATTR(attribute, type, lg_StaticTrueAttr); + case CKA_CERTIFICATE_TYPE: + /* hardcoding X.509 into here */ + return lg_ULongAttribute(attribute, type, CKC_X_509); + case CKA_VALUE: + case CKA_ID: + case CKA_LABEL: + case CKA_SUBJECT: + case CKA_ISSUER: + case CKA_SERIAL_NUMBER: + case CKA_NSS_EMAIL: + break; + default: + return lg_invalidAttribute(attribute); + } + + certHandle = lg_getCertDB(obj->sdb); + if (certHandle == NULL) { + return CKR_OBJECT_HANDLE_INVALID; + } + + cert = lg_getCert(obj, certHandle); + if (cert == NULL) { + return CKR_OBJECT_HANDLE_INVALID; + } + switch (type) { + case CKA_VALUE: + return lg_CopyAttribute(attribute, type, cert->derCert.data, + cert->derCert.len); + case CKA_ID: + if (((cert->trust->sslFlags & CERTDB_USER) == 0) && + ((cert->trust->emailFlags & CERTDB_USER) == 0) && + ((cert->trust->objectSigningFlags & CERTDB_USER) == 0)) { + return LG_CLONE_ATTR(attribute, type, lg_StaticNullAttr); + } + pubKey = nsslowcert_ExtractPublicKey(cert); + if (pubKey == NULL) + break; + item = lg_GetPubItem(pubKey); + if (item == NULL) { + lg_nsslowkey_DestroyPublicKey(pubKey); + break; + } + SHA1_HashBuf(hash, item->data, item->len); + /* item is imbedded in pubKey, just free the key */ + lg_nsslowkey_DestroyPublicKey(pubKey); + return lg_CopyAttribute(attribute, type, hash, SHA1_LENGTH); + case CKA_LABEL: + return cert->nickname + ? lg_CopyAttribute(attribute, type, cert->nickname, + PORT_Strlen(cert->nickname)) + : LG_CLONE_ATTR(attribute, type, lg_StaticNullAttr); + case CKA_SUBJECT: + return lg_CopyAttribute(attribute, type, cert->derSubject.data, + cert->derSubject.len); + case CKA_ISSUER: + return lg_CopyAttribute(attribute, type, cert->derIssuer.data, + cert->derIssuer.len); + case CKA_SERIAL_NUMBER: + return lg_CopyAttribute(attribute, type, cert->derSN.data, + cert->derSN.len); + case CKA_NSS_EMAIL: + return (cert->emailAddr && cert->emailAddr[0]) + ? lg_CopyAttribute(attribute, type, cert->emailAddr, + PORT_Strlen(cert->emailAddr)) + : LG_CLONE_ATTR(attribute, type, lg_StaticNullAttr); + default: + break; + } + return lg_invalidAttribute(attribute); +} + +CK_RV +lg_GetSingleAttribute(LGObjectCache *obj, CK_ATTRIBUTE *attribute) +{ + /* handle the common ones */ + CK_ATTRIBUTE_TYPE type = attribute->type; + switch (type) { + case CKA_CLASS: + return lg_ULongAttribute(attribute, type, obj->objclass); + case CKA_TOKEN: + return LG_CLONE_ATTR(attribute, type, lg_StaticTrueAttr); + case CKA_LABEL: + if ((obj->objclass == CKO_CERTIFICATE) || + (obj->objclass == CKO_PRIVATE_KEY) || + (obj->objclass == CKO_PUBLIC_KEY) || + (obj->objclass == CKO_SECRET_KEY)) { + break; + } + return LG_CLONE_ATTR(attribute, type, lg_StaticNullAttr); + default: + break; + } + switch (obj->objclass) { + case CKO_CERTIFICATE: + return lg_FindCertAttribute(obj, type, attribute); + case CKO_NSS_CRL: + return lg_FindCrlAttribute(obj, type, attribute); + case CKO_NSS_TRUST: + return lg_FindTrustAttribute(obj, type, attribute); + case CKO_NSS_SMIME: + return lg_FindSMIMEAttribute(obj, type, attribute); + case CKO_PUBLIC_KEY: + return lg_FindPublicKeyAttribute(obj, type, attribute); + case CKO_PRIVATE_KEY: + return lg_FindPrivateKeyAttribute(obj, type, attribute); + case CKO_SECRET_KEY: + return lg_FindSecretKeyAttribute(obj, type, attribute); + default: + break; + } + return lg_invalidAttribute(attribute); +} + +/* + * Fill in the attribute template based on the data in the database. + */ +CK_RV +lg_GetAttributeValue(SDB *sdb, CK_OBJECT_HANDLE handle, CK_ATTRIBUTE *templ, + CK_ULONG count) +{ + LGObjectCache *obj = lg_NewObjectCache(sdb, NULL, handle & ~LG_TOKEN_MASK); + CK_RV crv, crvCollect = CKR_OK; + unsigned int i; + + if (obj == NULL) { + return CKR_OBJECT_HANDLE_INVALID; + } + + for (i = 0; i < count; i++) { + crv = lg_GetSingleAttribute(obj, &templ[i]); + if (crvCollect == CKR_OK) + crvCollect = crv; + } + + lg_DestroyObjectCache(obj); + return crvCollect; +} + +PRBool +lg_cmpAttribute(LGObjectCache *obj, const CK_ATTRIBUTE *attribute) +{ + unsigned char buf[LG_BUF_SPACE]; + CK_ATTRIBUTE testAttr; + unsigned char *tempBuf = NULL; + PRBool match = PR_TRUE; + CK_RV crv; + + /* we're going to compare 'attribute' with the actual attribute from + * the object. We'll use the length of 'attribute' to decide how much + * space we need to read the test attribute. If 'attribute' doesn't give + * enough space, then we know the values don't match and that will + * show up as ckr != CKR_OK */ + testAttr = *attribute; + testAttr.pValue = buf; + + /* if we don't have enough space, malloc it */ + if (attribute->ulValueLen > LG_BUF_SPACE) { + tempBuf = PORT_Alloc(attribute->ulValueLen); + if (!tempBuf) { + return PR_FALSE; + } + testAttr.pValue = tempBuf; + } + + /* get the attribute */ + crv = lg_GetSingleAttribute(obj, &testAttr); + /* if the attribute was read OK, compare it */ + if ((crv != CKR_OK) || + (attribute->pValue == NULL) || + (attribute->ulValueLen != testAttr.ulValueLen) || + (PORT_Memcmp(attribute->pValue, testAttr.pValue, testAttr.ulValueLen) != 0)) { + /* something didn't match, this isn't the object we are looking for */ + match = PR_FALSE; + } + /* free the buffer we may have allocated */ + if (tempBuf) { + PORT_Free(tempBuf); + } + return match; +} + +PRBool +lg_tokenMatch(SDB *sdb, const SECItem *dbKey, CK_OBJECT_HANDLE class, + const CK_ATTRIBUTE *templ, CK_ULONG count) +{ + PRBool match = PR_TRUE; + LGObjectCache *obj = lg_NewObjectCache(sdb, dbKey, class); + unsigned int i; + + if (obj == NULL) { + return PR_FALSE; + } + + for (i = 0; i < count; i++) { + match = lg_cmpAttribute(obj, &templ[i]); + if (!match) { + break; + } + } + + /* done looking, free up our cache */ + lg_DestroyObjectCache(obj); + + /* if we get through the whole list without finding a mismatched attribute, + * then this object fits the criteria we are matching */ + return match; +} + +static CK_RV +lg_SetCertAttribute(LGObjectCache *obj, CK_ATTRIBUTE_TYPE type, + const void *value, unsigned int len) +{ + NSSLOWCERTCertificate *cert; + NSSLOWCERTCertDBHandle *certHandle; + char *nickname = NULL; + SECStatus rv; + CK_RV crv; + + /* we can't change the EMAIL values, but let the + * upper layers feel better about the fact we tried to set these */ + if (type == CKA_NSS_EMAIL) { + return CKR_OK; + } + + certHandle = lg_getCertDB(obj->sdb); + if (certHandle == NULL) { + crv = CKR_TOKEN_WRITE_PROTECTED; + goto done; + } + + if ((type != CKA_LABEL) && (type != CKA_ID)) { + crv = CKR_ATTRIBUTE_READ_ONLY; + goto done; + } + + cert = lg_getCert(obj, certHandle); + if (cert == NULL) { + crv = CKR_OBJECT_HANDLE_INVALID; + goto done; + } + + /* if the app is trying to set CKA_ID, it's probably because it just + * imported the key. Look to see if we need to set the CERTDB_USER bits. + */ + if (type == CKA_ID) { + if (((cert->trust->sslFlags & CERTDB_USER) == 0) && + ((cert->trust->emailFlags & CERTDB_USER) == 0) && + ((cert->trust->objectSigningFlags & CERTDB_USER) == 0)) { + NSSLOWKEYDBHandle *keyHandle; + + keyHandle = lg_getKeyDB(obj->sdb); + if (keyHandle) { + if (nsslowkey_KeyForCertExists(keyHandle, cert)) { + NSSLOWCERTCertTrust trust = *cert->trust; + trust.sslFlags |= CERTDB_USER; + trust.emailFlags |= CERTDB_USER; + trust.objectSigningFlags |= CERTDB_USER; + nsslowcert_ChangeCertTrust(certHandle, cert, &trust); + } + } + } + crv = CKR_OK; + goto done; + } + + /* must be CKA_LABEL */ + if (value != NULL) { + nickname = PORT_ZAlloc(len + 1); + if (nickname == NULL) { + crv = CKR_HOST_MEMORY; + goto done; + } + PORT_Memcpy(nickname, value, len); + nickname[len] = 0; + } + rv = nsslowcert_AddPermNickname(certHandle, cert, nickname); + crv = (rv == SECSuccess) ? CKR_OK : CKR_DEVICE_ERROR; + +done: + if (nickname) { + PORT_Free(nickname); + } + return crv; +} + +static CK_RV +lg_SetPrivateKeyAttribute(LGObjectCache *obj, CK_ATTRIBUTE_TYPE type, + const void *value, unsigned int len, + PRBool *writePrivate) +{ + NSSLOWKEYPrivateKey *privKey; + NSSLOWKEYDBHandle *keyHandle; + char *nickname = NULL; + SECStatus rv; + CK_RV crv; + + /* we can't change the ID and we don't store the subject, but let the + * upper layers feel better about the fact we tried to set these */ + if ((type == CKA_ID) || (type == CKA_SUBJECT) || + (type == CKA_LOCAL) || (type == CKA_NEVER_EXTRACTABLE) || + (type == CKA_ALWAYS_SENSITIVE)) { + return CKR_OK; + } + + keyHandle = lg_getKeyDB(obj->sdb); + if (keyHandle == NULL) { + crv = CKR_TOKEN_WRITE_PROTECTED; + goto done; + } + + privKey = lg_GetPrivateKeyWithDB(obj, keyHandle); + if (privKey == NULL) { + crv = CKR_OBJECT_HANDLE_INVALID; + goto done; + } + + crv = CKR_ATTRIBUTE_READ_ONLY; + switch (type) { + case CKA_LABEL: + if (value != NULL) { + nickname = PORT_ZAlloc(len + 1); + if (nickname == NULL) { + crv = CKR_HOST_MEMORY; + goto done; + } + PORT_Memcpy(nickname, value, len); + nickname[len] = 0; + } + rv = nsslowkey_UpdateNickname(keyHandle, privKey, &obj->dbKey, + nickname, obj->sdb); + crv = (rv == SECSuccess) ? CKR_OK : CKR_DEVICE_ERROR; + break; + case CKA_UNWRAP: + case CKA_SIGN: + case CKA_DERIVE: + case CKA_SIGN_RECOVER: + case CKA_DECRYPT: + /* ignore attempts to change restrict these. + * legacyDB ignore these flags and always presents all of them + * that are valid as true. + * NOTE: We only get here if the current value and the new value do + * not match. */ + if (*(char *)value == 0) { + crv = CKR_OK; + } + break; + case CKA_VALUE: + case CKA_PRIVATE_EXPONENT: + case CKA_PRIME_1: + case CKA_PRIME_2: + case CKA_EXPONENT_1: + case CKA_EXPONENT_2: + case CKA_COEFFICIENT: + /* We aren't really changing these values, we are just triggering + * the database to update it's entry */ + *writePrivate = PR_TRUE; + crv = CKR_OK; + break; + default: + crv = CKR_ATTRIBUTE_READ_ONLY; + break; + } +done: + if (nickname) { + PORT_Free(nickname); + } + return crv; +} + +static CK_RV +lg_SetPublicKeyAttribute(LGObjectCache *obj, CK_ATTRIBUTE_TYPE type, + const void *value, unsigned int len, + PRBool *writePrivate) +{ + /* we can't change the ID and we don't store the subject, but let the + * upper layers feel better about the fact we tried to set these */ + if ((type == CKA_ID) || (type == CKA_SUBJECT) || (type == CKA_LABEL)) { + return CKR_OK; + } + return CKR_ATTRIBUTE_READ_ONLY; +} + +static CK_RV +lg_SetTrustAttribute(LGObjectCache *obj, const CK_ATTRIBUTE *attr) +{ + unsigned int flags; + CK_TRUST trust; + NSSLOWCERTCertificate *cert = NULL; + NSSLOWCERTCertDBHandle *certHandle; + NSSLOWCERTCertTrust dbTrust; + SECStatus rv; + CK_RV crv; + + if (attr->type == CKA_LABEL) { + return CKR_OK; + } + + crv = lg_GetULongAttribute(attr->type, attr, 1, &trust); + if (crv != CKR_OK) { + return crv; + } + flags = lg_MapTrust(trust, (PRBool)(attr->type == CKA_TRUST_CLIENT_AUTH)); + + certHandle = lg_getCertDB(obj->sdb); + + if (certHandle == NULL) { + crv = CKR_TOKEN_WRITE_PROTECTED; + goto done; + } + + cert = lg_getCert(obj, certHandle); + if (cert == NULL) { + crv = CKR_OBJECT_HANDLE_INVALID; + goto done; + } + dbTrust = *cert->trust; + + switch (attr->type) { + case CKA_TRUST_EMAIL_PROTECTION: + dbTrust.emailFlags = flags | + (cert->trust->emailFlags & CERTDB_PRESERVE_TRUST_BITS); + break; + case CKA_TRUST_CODE_SIGNING: + dbTrust.objectSigningFlags = flags | + (cert->trust->objectSigningFlags & CERTDB_PRESERVE_TRUST_BITS); + break; + case CKA_TRUST_CLIENT_AUTH: + dbTrust.sslFlags = flags | (cert->trust->sslFlags & + (CERTDB_PRESERVE_TRUST_BITS | CERTDB_TRUSTED_CA)); + break; + case CKA_TRUST_SERVER_AUTH: + dbTrust.sslFlags = flags | (cert->trust->sslFlags & + (CERTDB_PRESERVE_TRUST_BITS | CERTDB_TRUSTED_CLIENT_CA)); + break; + default: + crv = CKR_ATTRIBUTE_READ_ONLY; + goto done; + } + + rv = nsslowcert_ChangeCertTrust(certHandle, cert, &dbTrust); + crv = (rv == SECSuccess) ? CKR_OK : CKR_DEVICE_ERROR; +done: + if (cert) { + nsslowcert_DestroyCertificate(cert); + } + return crv; +} + +static CK_RV +lg_SetSingleAttribute(LGObjectCache *obj, const CK_ATTRIBUTE *attr, + PRBool *writePrivate) +{ + CK_ATTRIBUTE attribLocal; + CK_RV crv; + + if ((attr->type == CKA_NETSCAPE_DB) && (obj->objclass == CKO_PRIVATE_KEY)) { + *writePrivate = PR_TRUE; + return CKR_OK; + } + + /* Make sure the attribute exists first */ + attribLocal.type = attr->type; + attribLocal.pValue = NULL; + attribLocal.ulValueLen = 0; + crv = lg_GetSingleAttribute(obj, &attribLocal); + if (crv != CKR_OK) { + return crv; + } + + /* if we are just setting it to the value we already have, + * allow it to happen. Let label setting go through so + * we have the opportunity to repair any database corruption. */ + if (attr->type != CKA_LABEL) { + if (lg_cmpAttribute(obj, attr)) { + return CKR_OK; + } + } + + crv = CKR_ATTRIBUTE_READ_ONLY; + switch (obj->objclass) { + case CKO_CERTIFICATE: + /* change NICKNAME, EMAIL, */ + crv = lg_SetCertAttribute(obj, attr->type, + attr->pValue, attr->ulValueLen); + break; + case CKO_NSS_CRL: + /* change URL */ + break; + case CKO_NSS_TRUST: + crv = lg_SetTrustAttribute(obj, attr); + break; + case CKO_PRIVATE_KEY: + case CKO_SECRET_KEY: + crv = lg_SetPrivateKeyAttribute(obj, attr->type, + attr->pValue, attr->ulValueLen, writePrivate); + break; + case CKO_PUBLIC_KEY: + crv = lg_SetPublicKeyAttribute(obj, attr->type, + attr->pValue, attr->ulValueLen, writePrivate); + break; + } + return crv; +} + +/* + * Fill in the attribute template based on the data in the database. + */ +CK_RV +lg_SetAttributeValue(SDB *sdb, CK_OBJECT_HANDLE handle, + const CK_ATTRIBUTE *templ, CK_ULONG count) +{ + LGObjectCache *obj = lg_NewObjectCache(sdb, NULL, handle & ~LG_TOKEN_MASK); + CK_RV crv, crvCollect = CKR_OK; + PRBool writePrivate = PR_FALSE; + unsigned int i; + + if (obj == NULL) { + return CKR_OBJECT_HANDLE_INVALID; + } + + for (i = 0; i < count; i++) { + crv = lg_SetSingleAttribute(obj, &templ[i], &writePrivate); + if (crvCollect == CKR_OK) + crvCollect = crv; + } + + /* Write any collected changes out for private and secret keys. + * don't do the write for just the label */ + if (writePrivate) { + NSSLOWKEYPrivateKey *privKey = lg_GetPrivateKey(obj); + SECStatus rv = SECFailure; + char *label = lg_FindKeyNicknameByPublicKey(obj->sdb, &obj->dbKey); + + if (privKey) { + rv = nsslowkey_StoreKeyByPublicKeyAlg(lg_getKeyDB(sdb), privKey, + &obj->dbKey, label, sdb, PR_TRUE); + } + if (rv != SECSuccess) { + crv = CKR_DEVICE_ERROR; + } + PORT_Free(label); + } + + lg_DestroyObjectCache(obj); + return crvCollect; +} diff --git a/security/nss/lib/softoken/legacydb/lgcreate.c b/security/nss/lib/softoken/legacydb/lgcreate.c new file mode 100644 index 000000000..a0d2b2e57 --- /dev/null +++ b/security/nss/lib/softoken/legacydb/lgcreate.c @@ -0,0 +1,1017 @@ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ +#include "secitem.h" +#include "pkcs11.h" +#include "lgdb.h" +#include "pcert.h" +#include "lowkeyi.h" +#include "blapi.h" +#include "secder.h" +#include "secasn1.h" + +#include "keydbi.h" + +/* + * ******************** Object Creation Utilities *************************** + */ + +/* + * check the consistancy and initialize a Certificate Object + */ +static CK_RV +lg_createCertObject(SDB *sdb, CK_OBJECT_HANDLE *handle, + const CK_ATTRIBUTE *templ, CK_ULONG count) +{ + SECItem derCert; + NSSLOWCERTCertificate *cert; + NSSLOWCERTCertTrust *trust = NULL; + NSSLOWCERTCertTrust userTrust = + { CERTDB_USER, CERTDB_USER, CERTDB_USER }; + NSSLOWCERTCertTrust defTrust = + { CERTDB_TRUSTED_UNKNOWN, + CERTDB_TRUSTED_UNKNOWN, CERTDB_TRUSTED_UNKNOWN }; + char *label = NULL; + char *email = NULL; + SECStatus rv; + CK_RV crv; + PRBool inDB = PR_TRUE; + NSSLOWCERTCertDBHandle *certHandle = lg_getCertDB(sdb); + NSSLOWKEYDBHandle *keyHandle = NULL; + CK_CERTIFICATE_TYPE type; + const CK_ATTRIBUTE *attribute; + + /* we can't store any certs private */ + if (lg_isTrue(CKA_PRIVATE, templ, count)) { + return CKR_ATTRIBUTE_VALUE_INVALID; + } + + /* We only support X.509 Certs for now */ + crv = lg_GetULongAttribute(CKA_CERTIFICATE_TYPE, templ, count, &type); + if (crv != CKR_OK) { + return crv; + } + + if (type != CKC_X_509) { + return CKR_ATTRIBUTE_VALUE_INVALID; + } + + /* X.509 Certificate */ + + if (certHandle == NULL) { + return CKR_TOKEN_WRITE_PROTECTED; + } + + /* get the der cert */ + attribute = lg_FindAttribute(CKA_VALUE, templ, count); + if (!attribute) { + return CKR_ATTRIBUTE_VALUE_INVALID; + } + + derCert.type = 0; + derCert.data = (unsigned char *)attribute->pValue; + derCert.len = attribute->ulValueLen; + + label = lg_getString(CKA_LABEL, templ, count); + + cert = nsslowcert_FindCertByDERCert(certHandle, &derCert); + if (cert == NULL) { + cert = nsslowcert_DecodeDERCertificate(&derCert, label); + inDB = PR_FALSE; + } + if (cert == NULL) { + if (label) + PORT_Free(label); + return CKR_ATTRIBUTE_VALUE_INVALID; + } + + keyHandle = lg_getKeyDB(sdb); + if (keyHandle) { + if (nsslowkey_KeyForCertExists(keyHandle, cert)) { + trust = &userTrust; + } + } + + if (!inDB) { + if (!trust) + trust = &defTrust; + rv = nsslowcert_AddPermCert(certHandle, cert, label, trust); + } else { + rv = trust ? nsslowcert_ChangeCertTrust(certHandle, cert, trust) : SECSuccess; + } + + if (label) + PORT_Free(label); + + if (rv != SECSuccess) { + nsslowcert_DestroyCertificate(cert); + return CKR_DEVICE_ERROR; + } + + /* + * Add a NULL S/MIME profile if necessary. + */ + email = lg_getString(CKA_NSS_EMAIL, templ, count); + if (email) { + certDBEntrySMime *entry; + + entry = nsslowcert_ReadDBSMimeEntry(certHandle, email); + if (!entry) { + nsslowcert_SaveSMimeProfile(certHandle, email, + &cert->derSubject, NULL, NULL); + } else { + nsslowcert_DestroyDBEntry((certDBEntry *)entry); + } + PORT_Free(email); + } + *handle = lg_mkHandle(sdb, &cert->certKey, LG_TOKEN_TYPE_CERT); + nsslowcert_DestroyCertificate(cert); + + return CKR_OK; +} + +unsigned int +lg_MapTrust(CK_TRUST trust, PRBool clientAuth) +{ + unsigned int trustCA = clientAuth ? CERTDB_TRUSTED_CLIENT_CA : CERTDB_TRUSTED_CA; + switch (trust) { + case CKT_NSS_TRUSTED: + return CERTDB_TERMINAL_RECORD | CERTDB_TRUSTED; + case CKT_NSS_TRUSTED_DELEGATOR: + return CERTDB_VALID_CA | trustCA; + case CKT_NSS_MUST_VERIFY_TRUST: + return CERTDB_MUST_VERIFY; + case CKT_NSS_NOT_TRUSTED: + return CERTDB_TERMINAL_RECORD; + case CKT_NSS_VALID_DELEGATOR: /* implies must verify */ + return CERTDB_VALID_CA; + default: + break; + } + return CERTDB_TRUSTED_UNKNOWN; +} + +/* + * check the consistancy and initialize a Trust Object + */ +static CK_RV +lg_createTrustObject(SDB *sdb, CK_OBJECT_HANDLE *handle, + const CK_ATTRIBUTE *templ, CK_ULONG count) +{ + const CK_ATTRIBUTE *issuer = NULL; + const CK_ATTRIBUTE *serial = NULL; + NSSLOWCERTCertificate *cert = NULL; + const CK_ATTRIBUTE *trust; + CK_TRUST sslTrust = CKT_NSS_TRUST_UNKNOWN; + CK_TRUST clientTrust = CKT_NSS_TRUST_UNKNOWN; + CK_TRUST emailTrust = CKT_NSS_TRUST_UNKNOWN; + CK_TRUST signTrust = CKT_NSS_TRUST_UNKNOWN; + CK_BBOOL stepUp; + NSSLOWCERTCertTrust dbTrust = { 0 }; + SECStatus rv; + NSSLOWCERTCertDBHandle *certHandle = lg_getCertDB(sdb); + NSSLOWCERTIssuerAndSN issuerSN; + + /* we can't store any certs private */ + if (lg_isTrue(CKA_PRIVATE, templ, count)) { + return CKR_ATTRIBUTE_VALUE_INVALID; + } + + if (certHandle == NULL) { + return CKR_TOKEN_WRITE_PROTECTED; + } + + issuer = lg_FindAttribute(CKA_ISSUER, templ, count); + serial = lg_FindAttribute(CKA_SERIAL_NUMBER, templ, count); + + if (issuer && serial) { + issuerSN.derIssuer.data = (unsigned char *)issuer->pValue; + issuerSN.derIssuer.len = issuer->ulValueLen; + + issuerSN.serialNumber.data = (unsigned char *)serial->pValue; + issuerSN.serialNumber.len = serial->ulValueLen; + + cert = nsslowcert_FindCertByIssuerAndSN(certHandle, &issuerSN); + } + + if (cert == NULL) { + return CKR_ATTRIBUTE_VALUE_INVALID; + } + + lg_GetULongAttribute(CKA_TRUST_SERVER_AUTH, templ, count, &sslTrust); + lg_GetULongAttribute(CKA_TRUST_CLIENT_AUTH, templ, count, &clientTrust); + lg_GetULongAttribute(CKA_TRUST_EMAIL_PROTECTION, templ, count, &emailTrust); + lg_GetULongAttribute(CKA_TRUST_CODE_SIGNING, templ, count, &signTrust); + stepUp = CK_FALSE; + trust = lg_FindAttribute(CKA_TRUST_STEP_UP_APPROVED, templ, count); + if (trust) { + if (trust->ulValueLen == sizeof(CK_BBOOL)) { + stepUp = *(CK_BBOOL *)trust->pValue; + } + } + + /* preserve certain old fields */ + if (cert->trust) { + dbTrust.sslFlags = cert->trust->sslFlags & CERTDB_PRESERVE_TRUST_BITS; + dbTrust.emailFlags = + cert->trust->emailFlags & CERTDB_PRESERVE_TRUST_BITS; + dbTrust.objectSigningFlags = + cert->trust->objectSigningFlags & CERTDB_PRESERVE_TRUST_BITS; + } + + dbTrust.sslFlags |= lg_MapTrust(sslTrust, PR_FALSE); + dbTrust.sslFlags |= lg_MapTrust(clientTrust, PR_TRUE); + dbTrust.emailFlags |= lg_MapTrust(emailTrust, PR_FALSE); + dbTrust.objectSigningFlags |= lg_MapTrust(signTrust, PR_FALSE); + if (stepUp) { + dbTrust.sslFlags |= CERTDB_GOVT_APPROVED_CA; + } + + rv = nsslowcert_ChangeCertTrust(certHandle, cert, &dbTrust); + *handle = lg_mkHandle(sdb, &cert->certKey, LG_TOKEN_TYPE_TRUST); + nsslowcert_DestroyCertificate(cert); + if (rv != SECSuccess) { + return CKR_DEVICE_ERROR; + } + + return CKR_OK; +} + +/* + * check the consistancy and initialize a Trust Object + */ +static CK_RV +lg_createSMimeObject(SDB *sdb, CK_OBJECT_HANDLE *handle, + const CK_ATTRIBUTE *templ, CK_ULONG count) +{ + SECItem derSubj, rawProfile, rawTime, emailKey; + SECItem *pRawProfile = NULL; + SECItem *pRawTime = NULL; + char *email = NULL; + const CK_ATTRIBUTE *subject = NULL, + *profile = NULL, + *time = NULL; + SECStatus rv; + NSSLOWCERTCertDBHandle *certHandle; + CK_RV ck_rv = CKR_OK; + + /* we can't store any certs private */ + if (lg_isTrue(CKA_PRIVATE, templ, count)) { + return CKR_ATTRIBUTE_VALUE_INVALID; + } + + certHandle = lg_getCertDB(sdb); + if (certHandle == NULL) { + return CKR_TOKEN_WRITE_PROTECTED; + } + + /* lookup SUBJECT */ + subject = lg_FindAttribute(CKA_SUBJECT, templ, count); + PORT_Assert(subject); + if (!subject) { + ck_rv = CKR_ATTRIBUTE_VALUE_INVALID; + goto loser; + } + + derSubj.data = (unsigned char *)subject->pValue; + derSubj.len = subject->ulValueLen; + derSubj.type = 0; + + /* lookup VALUE */ + profile = lg_FindAttribute(CKA_VALUE, templ, count); + if (profile) { + rawProfile.data = (unsigned char *)profile->pValue; + rawProfile.len = profile->ulValueLen; + rawProfile.type = siBuffer; + pRawProfile = &rawProfile; + } + + /* lookup Time */ + time = lg_FindAttribute(CKA_NSS_SMIME_TIMESTAMP, templ, count); + if (time) { + rawTime.data = (unsigned char *)time->pValue; + rawTime.len = time->ulValueLen; + rawTime.type = siBuffer; + pRawTime = &rawTime; + } + + email = lg_getString(CKA_NSS_EMAIL, templ, count); + if (!email) { + ck_rv = CKR_ATTRIBUTE_VALUE_INVALID; + goto loser; + } + + /* Store S/MIME Profile by SUBJECT */ + rv = nsslowcert_SaveSMimeProfile(certHandle, email, &derSubj, + pRawProfile, pRawTime); + if (rv != SECSuccess) { + ck_rv = CKR_DEVICE_ERROR; + goto loser; + } + emailKey.data = (unsigned char *)email; + emailKey.len = PORT_Strlen(email) + 1; + + *handle = lg_mkHandle(sdb, &emailKey, LG_TOKEN_TYPE_SMIME); + +loser: + if (email) + PORT_Free(email); + + return ck_rv; +} + +/* + * check the consistancy and initialize a Trust Object + */ +static CK_RV +lg_createCrlObject(SDB *sdb, CK_OBJECT_HANDLE *handle, + const CK_ATTRIBUTE *templ, CK_ULONG count) +{ + PRBool isKRL = PR_FALSE; + SECItem derSubj, derCrl; + char *url = NULL; + const CK_ATTRIBUTE *subject, *crl; + SECStatus rv; + NSSLOWCERTCertDBHandle *certHandle; + + certHandle = lg_getCertDB(sdb); + + /* we can't store any private crls */ + if (lg_isTrue(CKA_PRIVATE, templ, count)) { + return CKR_ATTRIBUTE_VALUE_INVALID; + } + + if (certHandle == NULL) { + return CKR_TOKEN_WRITE_PROTECTED; + } + + /* lookup SUBJECT */ + subject = lg_FindAttribute(CKA_SUBJECT, templ, count); + if (!subject) { + return CKR_ATTRIBUTE_VALUE_INVALID; + } + + derSubj.data = (unsigned char *)subject->pValue; + derSubj.len = subject->ulValueLen; + + /* lookup VALUE */ + crl = lg_FindAttribute(CKA_VALUE, templ, count); + PORT_Assert(crl); + if (!crl) { + return CKR_ATTRIBUTE_VALUE_INVALID; + } + derCrl.data = (unsigned char *)crl->pValue; + derCrl.len = crl->ulValueLen; + + url = lg_getString(CKA_NSS_URL, templ, count); + isKRL = lg_isTrue(CKA_NSS_KRL, templ, count); + + /* Store CRL by SUBJECT */ + rv = nsslowcert_AddCrl(certHandle, &derCrl, &derSubj, url, isKRL); + + if (url) { + PORT_Free(url); + } + if (rv != SECSuccess) { + return CKR_DEVICE_ERROR; + } + + /* if we overwrote the existing CRL, poison the handle entry so we get + * a new object handle */ + (void)lg_poisonHandle(sdb, &derSubj, + isKRL ? LG_TOKEN_KRL_HANDLE : LG_TOKEN_TYPE_CRL); + *handle = lg_mkHandle(sdb, &derSubj, + isKRL ? LG_TOKEN_KRL_HANDLE : LG_TOKEN_TYPE_CRL); + + return CKR_OK; +} + +/* + * check the consistancy and initialize a Public Key Object + */ +static CK_RV +lg_createPublicKeyObject(SDB *sdb, CK_KEY_TYPE key_type, + CK_OBJECT_HANDLE *handle, const CK_ATTRIBUTE *templ, CK_ULONG count) +{ + CK_ATTRIBUTE_TYPE pubKeyAttr = CKA_VALUE; + CK_RV crv = CKR_OK; + NSSLOWKEYPrivateKey *priv; + SECItem pubKeySpace = { siBuffer, NULL, 0 }; + SECItem *pubKey; +#ifndef NSS_DISABLE_ECC + SECItem pubKey2Space = { siBuffer, NULL, 0 }; + PLArenaPool *arena = NULL; +#endif /* NSS_DISABLE_ECC */ + NSSLOWKEYDBHandle *keyHandle = NULL; + + switch (key_type) { + case CKK_RSA: + pubKeyAttr = CKA_MODULUS; + break; +#ifndef NSS_DISABLE_ECC + case CKK_EC: + pubKeyAttr = CKA_EC_POINT; + break; +#endif /* NSS_DISABLE_ECC */ + case CKK_DSA: + case CKK_DH: + break; + default: + return CKR_ATTRIBUTE_VALUE_INVALID; + } + + pubKey = &pubKeySpace; + crv = lg_Attribute2SSecItem(NULL, pubKeyAttr, templ, count, pubKey); + if (crv != CKR_OK) + return crv; + +#ifndef NSS_DISABLE_ECC + if (key_type == CKK_EC) { + SECStatus rv; + /* + * for ECC, use the decoded key first. + */ + arena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE); + if (arena == NULL) { + crv = CKR_HOST_MEMORY; + goto done; + } + rv = SEC_QuickDERDecodeItem(arena, &pubKey2Space, + SEC_ASN1_GET(SEC_OctetStringTemplate), + pubKey); + if (rv != SECSuccess) { + /* decode didn't work, just try the pubKey */ + PORT_FreeArena(arena, PR_FALSE); + arena = NULL; + } else { + /* try the decoded pub key first */ + pubKey = &pubKey2Space; + } + } +#endif /* NSS_DISABLE_ECC */ + + PORT_Assert(pubKey->data); + if (pubKey->data == NULL) { + crv = CKR_ATTRIBUTE_VALUE_INVALID; + goto done; + } + keyHandle = lg_getKeyDB(sdb); + if (keyHandle == NULL) { + crv = CKR_TOKEN_WRITE_PROTECTED; + goto done; + } + if (keyHandle->version != 3) { + unsigned char buf[SHA1_LENGTH]; + SHA1_HashBuf(buf, pubKey->data, pubKey->len); + PORT_Memcpy(pubKey->data, buf, sizeof(buf)); + pubKey->len = sizeof(buf); + } + /* make sure the associated private key already exists */ + /* only works if we are logged in */ + priv = nsslowkey_FindKeyByPublicKey(keyHandle, pubKey, sdb /*password*/); +#ifndef NSS_DISABLE_ECC + if (priv == NULL && pubKey == &pubKey2Space) { + /* no match on the decoded key, match the original pubkey */ + pubKey = &pubKeySpace; + priv = nsslowkey_FindKeyByPublicKey(keyHandle, pubKey, + sdb /*password*/); + } +#endif + if (priv == NULL) { + /* the legacy database can only 'store' public keys which already + * have their corresponding private keys in the database */ + crv = CKR_ATTRIBUTE_VALUE_INVALID; + goto done; + } + lg_nsslowkey_DestroyPrivateKey(priv); + crv = CKR_OK; + + *handle = lg_mkHandle(sdb, pubKey, LG_TOKEN_TYPE_PUB); + +done: + PORT_Free(pubKeySpace.data); +#ifndef NSS_DISABLE_ECC + if (arena) + PORT_FreeArena(arena, PR_FALSE); +#endif + + return crv; +} + +/* make a private key from a verified object */ +static NSSLOWKEYPrivateKey * +lg_mkPrivKey(SDB *sdb, const CK_ATTRIBUTE *templ, CK_ULONG count, + CK_KEY_TYPE key_type, CK_RV *crvp) +{ + NSSLOWKEYPrivateKey *privKey; + PLArenaPool *arena; + CK_RV crv = CKR_OK; + SECStatus rv; + + arena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE); + if (arena == NULL) { + *crvp = CKR_HOST_MEMORY; + return NULL; + } + + privKey = (NSSLOWKEYPrivateKey *) + PORT_ArenaZAlloc(arena, sizeof(NSSLOWKEYPrivateKey)); + if (privKey == NULL) { + PORT_FreeArena(arena, PR_FALSE); + *crvp = CKR_HOST_MEMORY; + return NULL; + } + + /* in future this would be a switch on key_type */ + privKey->arena = arena; + switch (key_type) { + case CKK_RSA: + privKey->keyType = NSSLOWKEYRSAKey; + crv = lg_Attribute2SSecItem(arena, CKA_MODULUS, templ, count, + &privKey->u.rsa.modulus); + if (crv != CKR_OK) + break; + crv = lg_Attribute2SSecItem(arena, CKA_PUBLIC_EXPONENT, templ, count, + &privKey->u.rsa.publicExponent); + if (crv != CKR_OK) + break; + crv = lg_PrivAttr2SSecItem(arena, CKA_PRIVATE_EXPONENT, templ, count, + &privKey->u.rsa.privateExponent, sdb); + if (crv != CKR_OK) + break; + crv = lg_PrivAttr2SSecItem(arena, CKA_PRIME_1, templ, count, + &privKey->u.rsa.prime1, sdb); + if (crv != CKR_OK) + break; + crv = lg_PrivAttr2SSecItem(arena, CKA_PRIME_2, templ, count, + &privKey->u.rsa.prime2, sdb); + if (crv != CKR_OK) + break; + crv = lg_PrivAttr2SSecItem(arena, CKA_EXPONENT_1, templ, count, + &privKey->u.rsa.exponent1, sdb); + if (crv != CKR_OK) + break; + crv = lg_PrivAttr2SSecItem(arena, CKA_EXPONENT_2, templ, count, + &privKey->u.rsa.exponent2, sdb); + if (crv != CKR_OK) + break; + crv = lg_PrivAttr2SSecItem(arena, CKA_COEFFICIENT, templ, count, + &privKey->u.rsa.coefficient, sdb); + if (crv != CKR_OK) + break; + rv = DER_SetUInteger(privKey->arena, &privKey->u.rsa.version, + NSSLOWKEY_VERSION); + if (rv != SECSuccess) + crv = CKR_HOST_MEMORY; + break; + + case CKK_DSA: + privKey->keyType = NSSLOWKEYDSAKey; + crv = lg_Attribute2SSecItem(arena, CKA_PRIME, templ, count, + &privKey->u.dsa.params.prime); + if (crv != CKR_OK) + break; + crv = lg_Attribute2SSecItem(arena, CKA_SUBPRIME, templ, count, + &privKey->u.dsa.params.subPrime); + if (crv != CKR_OK) + break; + crv = lg_Attribute2SSecItem(arena, CKA_BASE, templ, count, + &privKey->u.dsa.params.base); + if (crv != CKR_OK) + break; + crv = lg_PrivAttr2SSecItem(arena, CKA_VALUE, templ, count, + &privKey->u.dsa.privateValue, sdb); + if (crv != CKR_OK) + break; + if (lg_hasAttribute(CKA_NETSCAPE_DB, templ, count)) { + crv = lg_Attribute2SSecItem(arena, CKA_NETSCAPE_DB, templ, count, + &privKey->u.dsa.publicValue); + /* privKey was zero'd so public value is already set to NULL, 0 + * if we don't set it explicitly */ + } + break; + + case CKK_DH: + privKey->keyType = NSSLOWKEYDHKey; + crv = lg_Attribute2SSecItem(arena, CKA_PRIME, templ, count, + &privKey->u.dh.prime); + if (crv != CKR_OK) + break; + crv = lg_Attribute2SSecItem(arena, CKA_BASE, templ, count, + &privKey->u.dh.base); + if (crv != CKR_OK) + break; + crv = lg_PrivAttr2SSecItem(arena, CKA_VALUE, templ, count, + &privKey->u.dh.privateValue, sdb); + if (crv != CKR_OK) + break; + if (lg_hasAttribute(CKA_NETSCAPE_DB, templ, count)) { + crv = lg_Attribute2SSecItem(arena, CKA_NETSCAPE_DB, templ, count, + &privKey->u.dh.publicValue); + /* privKey was zero'd so public value is already set to NULL, 0 + * if we don't set it explicitly */ + } + break; + +#ifndef NSS_DISABLE_ECC + case CKK_EC: + privKey->keyType = NSSLOWKEYECKey; + crv = lg_Attribute2SSecItem(arena, CKA_EC_PARAMS, templ, count, + &privKey->u.ec.ecParams.DEREncoding); + if (crv != CKR_OK) + break; + + /* Fill out the rest of the ecParams structure + * based on the encoded params + */ + if (LGEC_FillParams(arena, &privKey->u.ec.ecParams.DEREncoding, + &privKey->u.ec.ecParams) != SECSuccess) { + crv = CKR_DOMAIN_PARAMS_INVALID; + break; + } + crv = lg_PrivAttr2SSecItem(arena, CKA_VALUE, templ, count, + &privKey->u.ec.privateValue, sdb); + if (crv != CKR_OK) + break; + if (lg_hasAttribute(CKA_NETSCAPE_DB, templ, count)) { + crv = lg_Attribute2SSecItem(arena, CKA_NETSCAPE_DB, templ, count, + &privKey->u.ec.publicValue); + if (crv != CKR_OK) + break; + /* privKey was zero'd so public value is already set to NULL, 0 + * if we don't set it explicitly */ + } + rv = DER_SetUInteger(privKey->arena, &privKey->u.ec.version, + NSSLOWKEY_EC_PRIVATE_KEY_VERSION); + if (rv != SECSuccess) + crv = CKR_HOST_MEMORY; + break; +#endif /* NSS_DISABLE_ECC */ + + default: + crv = CKR_KEY_TYPE_INCONSISTENT; + break; + } + *crvp = crv; + if (crv != CKR_OK) { + PORT_FreeArena(arena, PR_FALSE); + return NULL; + } + return privKey; +} + +/* + * check the consistancy and initialize a Private Key Object + */ +static CK_RV +lg_createPrivateKeyObject(SDB *sdb, CK_KEY_TYPE key_type, + CK_OBJECT_HANDLE *handle, const CK_ATTRIBUTE *templ, CK_ULONG count) +{ + NSSLOWKEYPrivateKey *privKey; + char *label; + SECStatus rv = SECSuccess; + CK_RV crv = CKR_DEVICE_ERROR; + SECItem pubKey; + NSSLOWKEYDBHandle *keyHandle = lg_getKeyDB(sdb); + + if (keyHandle == NULL) { + return CKR_TOKEN_WRITE_PROTECTED; + } + + privKey = lg_mkPrivKey(sdb, templ, count, key_type, &crv); + if (privKey == NULL) + return crv; + label = lg_getString(CKA_LABEL, templ, count); + + crv = lg_Attribute2SSecItem(NULL, CKA_NETSCAPE_DB, templ, count, &pubKey); + if (crv != CKR_OK) { + crv = CKR_TEMPLATE_INCOMPLETE; + rv = SECFailure; + goto fail; + } +#ifdef notdef + if (keyHandle->version != 3) { + unsigned char buf[SHA1_LENGTH]; + SHA1_HashBuf(buf, pubKey.data, pubKey.len); + PORT_Memcpy(pubKey.data, buf, sizeof(buf)); + pubKey.len = sizeof(buf); + } +#endif + /* get the key type */ + if (key_type == CKK_RSA) { + rv = RSA_PrivateKeyCheck(&privKey->u.rsa); + if (rv == SECFailure) { + goto fail; + } + } + rv = nsslowkey_StoreKeyByPublicKey(keyHandle, privKey, &pubKey, + label, sdb /*->password*/); + +fail: + if (label) + PORT_Free(label); + *handle = lg_mkHandle(sdb, &pubKey, LG_TOKEN_TYPE_PRIV); + if (pubKey.data) + PORT_Free(pubKey.data); + lg_nsslowkey_DestroyPrivateKey(privKey); + if (rv != SECSuccess) + return crv; + + return CKR_OK; +} + +#define LG_KEY_MAX_RETRIES 10 /* don't hang if we are having problems with the rng */ +#define LG_KEY_ID_SIZE 18 /* don't use either SHA1 or MD5 sizes */ +/* + * Secret keys must have a CKA_ID value to be stored in the database. This code + * will generate one if there wasn't one already. + */ +static CK_RV +lg_GenerateSecretCKA_ID(NSSLOWKEYDBHandle *handle, SECItem *id, char *label) +{ + unsigned int retries; + SECStatus rv = SECSuccess; + CK_RV crv = CKR_OK; + + id->data = NULL; + if (label) { + id->data = (unsigned char *)PORT_Strdup(label); + if (id->data == NULL) { + return CKR_HOST_MEMORY; + } + id->len = PORT_Strlen(label) + 1; + if (!nsslowkey_KeyForIDExists(handle, id)) { + return CKR_OK; + } + PORT_Free(id->data); + id->data = NULL; + id->len = 0; + } + id->data = (unsigned char *)PORT_Alloc(LG_KEY_ID_SIZE); + if (id->data == NULL) { + return CKR_HOST_MEMORY; + } + id->len = LG_KEY_ID_SIZE; + + retries = 0; + do { + rv = RNG_GenerateGlobalRandomBytes(id->data, id->len); + } while (rv == SECSuccess && nsslowkey_KeyForIDExists(handle, id) && + (++retries <= LG_KEY_MAX_RETRIES)); + + if ((rv != SECSuccess) || (retries > LG_KEY_MAX_RETRIES)) { + crv = CKR_DEVICE_ERROR; /* random number generator is bad */ + PORT_Free(id->data); + id->data = NULL; + id->len = 0; + } + return crv; +} + +static NSSLOWKEYPrivateKey * +lg_mkSecretKeyRep(const CK_ATTRIBUTE *templ, + CK_ULONG count, CK_KEY_TYPE key_type, + SECItem *pubkey, SDB *sdbpw) +{ + NSSLOWKEYPrivateKey *privKey = 0; + PLArenaPool *arena = 0; + CK_KEY_TYPE keyType; + PRUint32 keyTypeStorage; + SECItem keyTypeItem; + CK_RV crv; + SECStatus rv; + static unsigned char derZero[1] = { 0 }; + + arena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE); + if (arena == NULL) { + crv = CKR_HOST_MEMORY; + goto loser; + } + + privKey = (NSSLOWKEYPrivateKey *) + PORT_ArenaZAlloc(arena, sizeof(NSSLOWKEYPrivateKey)); + if (privKey == NULL) { + crv = CKR_HOST_MEMORY; + goto loser; + } + + privKey->arena = arena; + + /* Secret keys are represented in the database as "fake" RSA keys. + * The RSA key is marked as a secret key representation by setting the + * public exponent field to 0, which is an invalid RSA exponent. + * The other fields are set as follows: + * modulus - CKA_ID value for the secret key + * private exponent - CKA_VALUE (the key itself) + * coefficient - CKA_KEY_TYPE, which indicates what encryption algorithm + * is used for the key. + * all others - set to integer 0 + */ + privKey->keyType = NSSLOWKEYRSAKey; + + /* The modulus is set to the key id of the symmetric key */ + privKey->u.rsa.modulus.data = + (unsigned char *)PORT_ArenaAlloc(arena, pubkey->len); + if (privKey->u.rsa.modulus.data == NULL) { + crv = CKR_HOST_MEMORY; + goto loser; + } + privKey->u.rsa.modulus.len = pubkey->len; + PORT_Memcpy(privKey->u.rsa.modulus.data, pubkey->data, pubkey->len); + + /* The public exponent is set to 0 to indicate a special key */ + privKey->u.rsa.publicExponent.len = sizeof derZero; + privKey->u.rsa.publicExponent.data = derZero; + + /* The private exponent is the actual key value */ + crv = lg_PrivAttr2SecItem(arena, CKA_VALUE, templ, count, + &privKey->u.rsa.privateExponent, sdbpw); + if (crv != CKR_OK) + goto loser; + + /* All other fields empty - needs testing */ + privKey->u.rsa.prime1.len = sizeof derZero; + privKey->u.rsa.prime1.data = derZero; + + privKey->u.rsa.prime2.len = sizeof derZero; + privKey->u.rsa.prime2.data = derZero; + + privKey->u.rsa.exponent1.len = sizeof derZero; + privKey->u.rsa.exponent1.data = derZero; + + privKey->u.rsa.exponent2.len = sizeof derZero; + privKey->u.rsa.exponent2.data = derZero; + + /* Coeficient set to KEY_TYPE */ + crv = lg_GetULongAttribute(CKA_KEY_TYPE, templ, count, &keyType); + if (crv != CKR_OK) + goto loser; + /* on 64 bit platforms, we still want to store 32 bits of keyType (This is + * safe since the PKCS #11 defines for all types are 32 bits or less). */ + keyTypeStorage = (PRUint32)keyType; + keyTypeStorage = PR_htonl(keyTypeStorage); + keyTypeItem.data = (unsigned char *)&keyTypeStorage; + keyTypeItem.len = sizeof(keyTypeStorage); + rv = SECITEM_CopyItem(arena, &privKey->u.rsa.coefficient, &keyTypeItem); + if (rv != SECSuccess) { + crv = CKR_HOST_MEMORY; + goto loser; + } + + /* Private key version field set normally for compatibility */ + rv = DER_SetUInteger(privKey->arena, + &privKey->u.rsa.version, NSSLOWKEY_VERSION); + if (rv != SECSuccess) { + crv = CKR_HOST_MEMORY; + goto loser; + } + +loser: + if (crv != CKR_OK) { + PORT_FreeArena(arena, PR_FALSE); + privKey = 0; + } + + return privKey; +} + +/* + * check the consistancy and initialize a Secret Key Object + */ +static CK_RV +lg_createSecretKeyObject(SDB *sdb, CK_KEY_TYPE key_type, + CK_OBJECT_HANDLE *handle, const CK_ATTRIBUTE *templ, CK_ULONG count) +{ + CK_RV crv; + NSSLOWKEYPrivateKey *privKey = NULL; + NSSLOWKEYDBHandle *keyHandle = NULL; + SECItem pubKey; + char *label = NULL; + SECStatus rv = SECSuccess; + + pubKey.data = 0; + + /* If the object is a TOKEN object, store in the database */ + keyHandle = lg_getKeyDB(sdb); + + if (keyHandle == NULL) { + return CKR_TOKEN_WRITE_PROTECTED; + } + + label = lg_getString(CKA_LABEL, templ, count); + + crv = lg_Attribute2SecItem(NULL, CKA_ID, templ, count, &pubKey); + /* Should this be ID? */ + if (crv != CKR_OK) + goto loser; + + /* if we don't have an ID, generate one */ + if (pubKey.len == 0) { + if (pubKey.data) { + PORT_Free(pubKey.data); + pubKey.data = NULL; + } + crv = lg_GenerateSecretCKA_ID(keyHandle, &pubKey, label); + if (crv != CKR_OK) + goto loser; + } + + privKey = lg_mkSecretKeyRep(templ, count, key_type, &pubKey, sdb); + if (privKey == NULL) { + crv = CKR_HOST_MEMORY; + goto loser; + } + + rv = nsslowkey_StoreKeyByPublicKey(keyHandle, + privKey, &pubKey, label, sdb /*->password*/); + if (rv != SECSuccess) { + crv = CKR_DEVICE_ERROR; + goto loser; + } + + *handle = lg_mkHandle(sdb, &pubKey, LG_TOKEN_TYPE_KEY); + +loser: + if (label) + PORT_Free(label); + if (privKey) + lg_nsslowkey_DestroyPrivateKey(privKey); + if (pubKey.data) + PORT_Free(pubKey.data); + + return crv; +} + +/* + * check the consistancy and initialize a Key Object + */ +static CK_RV +lg_createKeyObject(SDB *sdb, CK_OBJECT_CLASS objclass, + CK_OBJECT_HANDLE *handle, const CK_ATTRIBUTE *templ, CK_ULONG count) +{ + CK_RV crv; + CK_KEY_TYPE key_type; + + /* get the key type */ + crv = lg_GetULongAttribute(CKA_KEY_TYPE, templ, count, &key_type); + if (crv != CKR_OK) { + return crv; + } + + switch (objclass) { + case CKO_PUBLIC_KEY: + return lg_createPublicKeyObject(sdb, key_type, handle, templ, count); + case CKO_PRIVATE_KEY: + return lg_createPrivateKeyObject(sdb, key_type, handle, templ, count); + case CKO_SECRET_KEY: + return lg_createSecretKeyObject(sdb, key_type, handle, templ, count); + default: + break; + } + return CKR_ATTRIBUTE_VALUE_INVALID; +} + +/* + * Parse the template and create an object stored in the DB that reflects. + * the object specified in the database. + */ +CK_RV +lg_CreateObject(SDB *sdb, CK_OBJECT_HANDLE *handle, + const CK_ATTRIBUTE *templ, CK_ULONG count) +{ + CK_RV crv; + CK_OBJECT_CLASS objclass; + + /* get the object class */ + crv = lg_GetULongAttribute(CKA_CLASS, templ, count, &objclass); + if (crv != CKR_OK) { + return crv; + } + + /* Now handle the specific object class. + */ + switch (objclass) { + case CKO_CERTIFICATE: + crv = lg_createCertObject(sdb, handle, templ, count); + break; + case CKO_NSS_TRUST: + crv = lg_createTrustObject(sdb, handle, templ, count); + break; + case CKO_NSS_CRL: + crv = lg_createCrlObject(sdb, handle, templ, count); + break; + case CKO_NSS_SMIME: + crv = lg_createSMimeObject(sdb, handle, templ, count); + break; + case CKO_PRIVATE_KEY: + case CKO_PUBLIC_KEY: + case CKO_SECRET_KEY: + crv = lg_createKeyObject(sdb, objclass, handle, templ, count); + break; + default: + crv = CKR_ATTRIBUTE_VALUE_INVALID; + break; + } + + return crv; +} diff --git a/security/nss/lib/softoken/legacydb/lgdb.h b/security/nss/lib/softoken/legacydb/lgdb.h new file mode 100644 index 000000000..ee80f4b77 --- /dev/null +++ b/security/nss/lib/softoken/legacydb/lgdb.h @@ -0,0 +1,175 @@ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ +/* + * Internal data structures and functions used by pkcs11.c + */ +#ifndef _LGDB_H_ +#define _LGDB_H_ 1 + +#include "nssilock.h" +#include "seccomon.h" +#include "secoidt.h" +#include "lowkeyti.h" +#include "pkcs11t.h" +#include "sdb.h" +#include "cdbhdl.h" + +#define MULTIACCESS "multiaccess:" + +/* path stuff (was machine dependent) used by dbinit.c and pk11db.c */ +#define PATH_SEPARATOR "/" +#define SECMOD_DB "secmod.db" +#define CERT_DB_FMT "%scert%s.db" +#define KEY_DB_FMT "%skey%s.db" + +SEC_BEGIN_PROTOS + +/* internal utility functions used by pkcs11.c */ +extern const CK_ATTRIBUTE *lg_FindAttribute(CK_ATTRIBUTE_TYPE type, + const CK_ATTRIBUTE *templ, CK_ULONG count); +extern CK_RV lg_Attribute2SecItem(PLArenaPool *, CK_ATTRIBUTE_TYPE type, + const CK_ATTRIBUTE *templ, CK_ULONG count, + SECItem *item); +extern CK_RV lg_Attribute2SSecItem(PLArenaPool *, CK_ATTRIBUTE_TYPE type, + const CK_ATTRIBUTE *templ, CK_ULONG count, + SECItem *item); +extern CK_RV lg_PrivAttr2SecItem(PLArenaPool *, CK_ATTRIBUTE_TYPE type, + const CK_ATTRIBUTE *templ, CK_ULONG count, + SECItem *item, SDB *sdbpw); +extern CK_RV lg_PrivAttr2SSecItem(PLArenaPool *, CK_ATTRIBUTE_TYPE type, + const CK_ATTRIBUTE *templ, CK_ULONG count, + SECItem *item, SDB *sdbpw); +extern CK_RV lg_GetULongAttribute(CK_ATTRIBUTE_TYPE type, + const CK_ATTRIBUTE *templ, CK_ULONG count, + CK_ULONG *out); +extern PRBool lg_hasAttribute(CK_ATTRIBUTE_TYPE type, + const CK_ATTRIBUTE *templ, CK_ULONG count); +extern PRBool lg_isTrue(CK_ATTRIBUTE_TYPE type, + const CK_ATTRIBUTE *templ, CK_ULONG count); +extern PRBool lg_isSensitive(CK_ATTRIBUTE_TYPE type, CK_OBJECT_CLASS inClass); +extern char *lg_getString(CK_ATTRIBUTE_TYPE type, + const CK_ATTRIBUTE *templ, CK_ULONG count); +extern unsigned int lg_MapTrust(CK_TRUST trust, PRBool clientAuth); + +/* clear out all the existing object ID to database key mappings. + * used to reinit a token */ +extern CK_RV lg_ClearTokenKeyHashTable(SDB *sdb); + +extern void lg_FreeSearch(SDBFind *search); + +NSSLOWCERTCertDBHandle *lg_getCertDB(SDB *sdb); +NSSLOWKEYDBHandle *lg_getKeyDB(SDB *sdb); + +const char *lg_EvaluateConfigDir(const char *configdir, char **domain); + +/* verify the FIPS selftests ran and were successful */ +PRBool lg_FIPSEntryOK(void); + +/* + * object handle modifiers + */ +#define LG_TOKEN_MASK 0xc0000000L +#define LG_TOKEN_TYPE_MASK 0x38000000L +#define LG_TOKEN_TYPE_SHIFT 27 +/* keydb (high bit == 0) */ +#define LG_TOKEN_TYPE_PRIV 0x08000000L +#define LG_TOKEN_TYPE_PUB 0x10000000L +#define LG_TOKEN_TYPE_KEY 0x18000000L +/* certdb (high bit == 1) */ +#define LG_TOKEN_TYPE_TRUST 0x20000000L +#define LG_TOKEN_TYPE_CRL 0x28000000L +#define LG_TOKEN_TYPE_SMIME 0x30000000L +#define LG_TOKEN_TYPE_CERT 0x38000000L + +#define LG_TOKEN_KRL_HANDLE (LG_TOKEN_TYPE_CRL | 1) + +#define LG_SEARCH_BLOCK_SIZE 10 +#define LG_BUF_SPACE 50 +#define LG_STRICT PR_FALSE + +/* + * token object utilities + */ +void lg_addHandle(SDBFind *search, CK_OBJECT_HANDLE handle); +PRBool lg_poisonHandle(SDB *sdb, SECItem *dbkey, CK_OBJECT_HANDLE handle); +PRBool lg_tokenMatch(SDB *sdb, const SECItem *dbKey, CK_OBJECT_HANDLE class, + const CK_ATTRIBUTE *templ, CK_ULONG count); +const SECItem *lg_lookupTokenKeyByHandle(SDB *sdb, CK_OBJECT_HANDLE handle); +CK_OBJECT_HANDLE lg_mkHandle(SDB *sdb, SECItem *dbKey, CK_OBJECT_HANDLE class); +SECStatus lg_deleteTokenKeyByHandle(SDB *sdb, CK_OBJECT_HANDLE handle); + +SECStatus lg_util_encrypt(PLArenaPool *arena, SDB *sdbpw, + SECItem *plainText, SECItem **cipherText); +SECStatus lg_util_decrypt(SDB *sdbpw, + SECItem *cipherText, SECItem **plainText); +PLHashTable *lg_GetHashTable(SDB *sdb); +void lg_DBLock(SDB *sdb); +void lg_DBUnlock(SDB *sdb); + +typedef void (*LGFreeFunc)(void *); + +/* + * database functions + */ + +/* lg_FindObjectsInit initializes a search for token and session objects + * that match a template. */ +CK_RV lg_FindObjectsInit(SDB *sdb, const CK_ATTRIBUTE *pTemplate, + CK_ULONG ulCount, SDBFind **search); +/* lg_FindObjects continues a search for token and session objects + * that match a template, obtaining additional object handles. */ +CK_RV lg_FindObjects(SDB *sdb, SDBFind *search, + CK_OBJECT_HANDLE *phObject, CK_ULONG ulMaxObjectCount, + CK_ULONG *pulObjectCount); + +/* lg_FindObjectsFinal finishes a search for token and session objects. */ +CK_RV lg_FindObjectsFinal(SDB *lgdb, SDBFind *search); + +/* lg_CreateObject parses the template and create an object stored in the + * DB that reflects the object specified in the template. */ +CK_RV lg_CreateObject(SDB *sdb, CK_OBJECT_HANDLE *handle, + const CK_ATTRIBUTE *templ, CK_ULONG count); + +CK_RV lg_GetAttributeValue(SDB *sdb, CK_OBJECT_HANDLE object_id, + CK_ATTRIBUTE *template, CK_ULONG count); +CK_RV lg_SetAttributeValue(SDB *sdb, CK_OBJECT_HANDLE object_id, + const CK_ATTRIBUTE *template, CK_ULONG count); +CK_RV lg_DestroyObject(SDB *sdb, CK_OBJECT_HANDLE object_id); + +CK_RV lg_Close(SDB *sdb); +CK_RV lg_Reset(SDB *sdb); + +/* + * The old database doesn't share and doesn't support + * transactions. + */ +CK_RV lg_Begin(SDB *sdb); +CK_RV lg_Commit(SDB *sdb); +CK_RV lg_Abort(SDB *sdb); +CK_RV lg_GetMetaData(SDB *sdb, const char *id, SECItem *item1, SECItem *item2); +CK_RV lg_PutMetaData(SDB *sdb, const char *id, + const SECItem *item1, const SECItem *item2); + +SEC_END_PROTOS + +#ifndef XP_UNIX + +#define NO_FORK_CHECK + +#endif + +#ifndef NO_FORK_CHECK + +extern PRBool lg_parentForkedAfterC_Initialize; +#define SKIP_AFTER_FORK(x) \ + if (!lg_parentForkedAfterC_Initialize) \ + x + +#else + +#define SKIP_AFTER_FORK(x) x + +#endif /* NO_FORK_CHECK */ + +#endif /* _LGDB_H_ */ diff --git a/security/nss/lib/softoken/legacydb/lgdestroy.c b/security/nss/lib/softoken/legacydb/lgdestroy.c new file mode 100644 index 000000000..1e3839d7b --- /dev/null +++ b/security/nss/lib/softoken/legacydb/lgdestroy.c @@ -0,0 +1,110 @@ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ +/* + * Internal PKCS #11 functions. Should only be called by pkcs11.c + */ +#include "pkcs11.h" +#include "lgdb.h" +#include "pcert.h" +#include "lowkeyi.h" + +/* + * remove an object. + */ +CK_RV +lg_DestroyObject(SDB *sdb, CK_OBJECT_HANDLE object_id) +{ + CK_RV crv = CKR_OK; + SECStatus rv; + NSSLOWCERTCertificate *cert; + NSSLOWCERTCertTrust tmptrust; + PRBool isKrl; + NSSLOWKEYDBHandle *keyHandle; + NSSLOWCERTCertDBHandle *certHandle; + const SECItem *dbKey; + + object_id &= ~LG_TOKEN_MASK; + dbKey = lg_lookupTokenKeyByHandle(sdb, object_id); + if (dbKey == NULL) { + return CKR_OBJECT_HANDLE_INVALID; + } + + /* remove the objects from the real data base */ + switch (object_id & LG_TOKEN_TYPE_MASK) { + case LG_TOKEN_TYPE_PRIV: + case LG_TOKEN_TYPE_KEY: + /* KEYID is the public KEY for DSA and DH, and the MODULUS for + * RSA */ + keyHandle = lg_getKeyDB(sdb); + if (!keyHandle) { + crv = CKR_TOKEN_WRITE_PROTECTED; + break; + } + rv = nsslowkey_DeleteKey(keyHandle, dbKey); + if (rv != SECSuccess) { + crv = CKR_DEVICE_ERROR; + } + break; + case LG_TOKEN_TYPE_PUB: + break; /* public keys only exist at the behest of the priv key */ + case LG_TOKEN_TYPE_CERT: + certHandle = lg_getCertDB(sdb); + if (!certHandle) { + crv = CKR_TOKEN_WRITE_PROTECTED; + break; + } + cert = nsslowcert_FindCertByKey(certHandle, dbKey); + if (cert == NULL) { + crv = CKR_DEVICE_ERROR; + break; + } + rv = nsslowcert_DeletePermCertificate(cert); + if (rv != SECSuccess) { + crv = CKR_DEVICE_ERROR; + } + nsslowcert_DestroyCertificate(cert); + break; + case LG_TOKEN_TYPE_CRL: + certHandle = lg_getCertDB(sdb); + if (!certHandle) { + crv = CKR_TOKEN_WRITE_PROTECTED; + break; + } + isKrl = (PRBool)(object_id == LG_TOKEN_KRL_HANDLE); + rv = nsslowcert_DeletePermCRL(certHandle, dbKey, isKrl); + if (rv == SECFailure) + crv = CKR_DEVICE_ERROR; + break; + case LG_TOKEN_TYPE_TRUST: + certHandle = lg_getCertDB(sdb); + if (!certHandle) { + crv = CKR_TOKEN_WRITE_PROTECTED; + break; + } + cert = nsslowcert_FindCertByKey(certHandle, dbKey); + if (cert == NULL) { + crv = CKR_DEVICE_ERROR; + break; + } + tmptrust = *cert->trust; + tmptrust.sslFlags &= CERTDB_PRESERVE_TRUST_BITS; + tmptrust.emailFlags &= CERTDB_PRESERVE_TRUST_BITS; + tmptrust.objectSigningFlags &= CERTDB_PRESERVE_TRUST_BITS; + tmptrust.sslFlags |= CERTDB_TRUSTED_UNKNOWN; + tmptrust.emailFlags |= CERTDB_TRUSTED_UNKNOWN; + tmptrust.objectSigningFlags |= CERTDB_TRUSTED_UNKNOWN; + rv = nsslowcert_ChangeCertTrust(certHandle, cert, &tmptrust); + if (rv != SECSuccess) + crv = CKR_DEVICE_ERROR; + nsslowcert_DestroyCertificate(cert); + break; + default: + break; + } + lg_DBLock(sdb); + lg_deleteTokenKeyByHandle(sdb, object_id); + lg_DBUnlock(sdb); + + return crv; +} diff --git a/security/nss/lib/softoken/legacydb/lgfind.c b/security/nss/lib/softoken/legacydb/lgfind.c new file mode 100644 index 000000000..288e56cac --- /dev/null +++ b/security/nss/lib/softoken/legacydb/lgfind.c @@ -0,0 +1,912 @@ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ +#include "secitem.h" +#include "pkcs11.h" +#include "lgdb.h" +#include "lowkeyi.h" +#include "pcert.h" +#include "blapi.h" + +#include "keydbi.h" + +/* + * This code maps PKCS #11 Finds to legacy database searches. This code + * was orginally in pkcs11.c in previous versions of NSS. + */ + +struct SDBFindStr { + CK_OBJECT_HANDLE *handles; + int size; + int index; + int array_size; +}; + +/* + * free a search structure + */ +void +lg_FreeSearch(SDBFind *search) +{ + if (search->handles) { + PORT_Free(search->handles); + } + PORT_Free(search); +} + +void +lg_addHandle(SDBFind *search, CK_OBJECT_HANDLE handle) +{ + if (search->handles == NULL) { + return; + } + if (search->size >= search->array_size) { + search->array_size += LG_SEARCH_BLOCK_SIZE; + search->handles = (CK_OBJECT_HANDLE *)PORT_Realloc(search->handles, + sizeof(CK_OBJECT_HANDLE) * search->array_size); + if (search->handles == NULL) { + return; + } + } + search->handles[search->size] = handle; + search->size++; +} + +/* + * find any certs that may match the template and load them. + */ +#define LG_CERT 0x00000001 +#define LG_TRUST 0x00000002 +#define LG_CRL 0x00000004 +#define LG_SMIME 0x00000008 +#define LG_PRIVATE 0x00000010 +#define LG_PUBLIC 0x00000020 +#define LG_KEY 0x00000040 + +/* + * structure to collect key handles. + */ +typedef struct lgEntryDataStr { + SDB *sdb; + SDBFind *searchHandles; + const CK_ATTRIBUTE *template; + CK_ULONG templ_count; +} lgEntryData; + +static SECStatus +lg_crl_collect(SECItem *data, SECItem *key, certDBEntryType type, void *arg) +{ + lgEntryData *crlData; + CK_OBJECT_HANDLE class_handle; + SDB *sdb; + + crlData = (lgEntryData *)arg; + sdb = crlData->sdb; + + class_handle = (type == certDBEntryTypeRevocation) ? LG_TOKEN_TYPE_CRL : LG_TOKEN_KRL_HANDLE; + if (lg_tokenMatch(sdb, key, class_handle, + crlData->template, crlData->templ_count)) { + lg_addHandle(crlData->searchHandles, + lg_mkHandle(sdb, key, class_handle)); + } + return (SECSuccess); +} + +static void +lg_searchCrls(SDB *sdb, SECItem *derSubject, PRBool isKrl, + unsigned long classFlags, SDBFind *search, + const CK_ATTRIBUTE *pTemplate, CK_ULONG ulCount) +{ + NSSLOWCERTCertDBHandle *certHandle = NULL; + + certHandle = lg_getCertDB(sdb); + if (certHandle == NULL) { + return; + } + if (derSubject->data != NULL) { + certDBEntryRevocation *crl = + nsslowcert_FindCrlByKey(certHandle, derSubject, isKrl); + + if (crl != NULL) { + lg_addHandle(search, lg_mkHandle(sdb, derSubject, + isKrl ? LG_TOKEN_KRL_HANDLE : LG_TOKEN_TYPE_CRL)); + nsslowcert_DestroyDBEntry((certDBEntry *)crl); + } + } else { + lgEntryData crlData; + + /* traverse */ + crlData.sdb = sdb; + crlData.searchHandles = search; + crlData.template = pTemplate; + crlData.templ_count = ulCount; + nsslowcert_TraverseDBEntries(certHandle, certDBEntryTypeRevocation, + lg_crl_collect, (void *)&crlData); + nsslowcert_TraverseDBEntries(certHandle, certDBEntryTypeKeyRevocation, + lg_crl_collect, (void *)&crlData); + } +} + +/* + * structure to collect key handles. + */ +typedef struct lgKeyDataStr { + SDB *sdb; + NSSLOWKEYDBHandle *keyHandle; + SDBFind *searchHandles; + SECItem *id; + const CK_ATTRIBUTE *template; + CK_ULONG templ_count; + unsigned long classFlags; + PRBool strict; +} lgKeyData; + +static PRBool +isSecretKey(NSSLOWKEYPrivateKey *privKey) +{ + if (privKey->keyType == NSSLOWKEYRSAKey && + privKey->u.rsa.publicExponent.len == 1 && + privKey->u.rsa.publicExponent.data[0] == 0) + return PR_TRUE; + + return PR_FALSE; +} + +static SECStatus +lg_key_collect(DBT *key, DBT *data, void *arg) +{ + lgKeyData *keyData; + NSSLOWKEYPrivateKey *privKey = NULL; + SECItem tmpDBKey; + SDB *sdb; + unsigned long classFlags; + + keyData = (lgKeyData *)arg; + sdb = keyData->sdb; + classFlags = keyData->classFlags; + + tmpDBKey.data = key->data; + tmpDBKey.len = key->size; + tmpDBKey.type = siBuffer; + + PORT_Assert(keyData->keyHandle); + if (!keyData->strict && keyData->id && keyData->id->data) { + SECItem result; + PRBool haveMatch = PR_FALSE; + unsigned char hashKey[SHA1_LENGTH]; + result.data = hashKey; + result.len = sizeof(hashKey); + + if (keyData->id->len == 0) { + /* Make sure this isn't a LG_KEY */ + privKey = nsslowkey_FindKeyByPublicKey(keyData->keyHandle, + &tmpDBKey, keyData->sdb /*->password*/); + if (privKey) { + /* turn off the unneeded class flags */ + classFlags &= isSecretKey(privKey) ? ~(LG_PRIVATE | LG_PUBLIC) : ~LG_KEY; + haveMatch = (PRBool)((classFlags & (LG_KEY | LG_PRIVATE | LG_PUBLIC)) != 0); + lg_nsslowkey_DestroyPrivateKey(privKey); + } + } else { + SHA1_HashBuf(hashKey, key->data, key->size); /* match id */ + haveMatch = SECITEM_ItemsAreEqual(keyData->id, &result); + if (!haveMatch && ((unsigned char *)key->data)[0] == 0) { + /* This is a fix for backwards compatibility. The key + * database indexes private keys by the public key, and + * versions of NSS prior to 3.4 stored the public key as + * a signed integer. The public key is now treated as an + * unsigned integer, with no leading zero. In order to + * correctly compute the hash of an old key, it is necessary + * to fallback and detect the leading zero. + */ + SHA1_HashBuf(hashKey, + (unsigned char *)key->data + 1, key->size - 1); + haveMatch = SECITEM_ItemsAreEqual(keyData->id, &result); + } + } + if (haveMatch) { + if (classFlags & LG_PRIVATE) { + lg_addHandle(keyData->searchHandles, + lg_mkHandle(sdb, &tmpDBKey, LG_TOKEN_TYPE_PRIV)); + } + if (classFlags & LG_PUBLIC) { + lg_addHandle(keyData->searchHandles, + lg_mkHandle(sdb, &tmpDBKey, LG_TOKEN_TYPE_PUB)); + } + if (classFlags & LG_KEY) { + lg_addHandle(keyData->searchHandles, + lg_mkHandle(sdb, &tmpDBKey, LG_TOKEN_TYPE_KEY)); + } + } + return SECSuccess; + } + + privKey = nsslowkey_FindKeyByPublicKey(keyData->keyHandle, &tmpDBKey, + keyData->sdb /*->password*/); + if (privKey == NULL) { + goto loser; + } + + if (isSecretKey(privKey)) { + if ((classFlags & LG_KEY) && + lg_tokenMatch(keyData->sdb, &tmpDBKey, LG_TOKEN_TYPE_KEY, + keyData->template, keyData->templ_count)) { + lg_addHandle(keyData->searchHandles, + lg_mkHandle(keyData->sdb, &tmpDBKey, LG_TOKEN_TYPE_KEY)); + } + } else { + if ((classFlags & LG_PRIVATE) && + lg_tokenMatch(keyData->sdb, &tmpDBKey, LG_TOKEN_TYPE_PRIV, + keyData->template, keyData->templ_count)) { + lg_addHandle(keyData->searchHandles, + lg_mkHandle(keyData->sdb, &tmpDBKey, LG_TOKEN_TYPE_PRIV)); + } + if ((classFlags & LG_PUBLIC) && + lg_tokenMatch(keyData->sdb, &tmpDBKey, LG_TOKEN_TYPE_PUB, + keyData->template, keyData->templ_count)) { + lg_addHandle(keyData->searchHandles, + lg_mkHandle(keyData->sdb, &tmpDBKey, LG_TOKEN_TYPE_PUB)); + } + } + +loser: + if (privKey) { + lg_nsslowkey_DestroyPrivateKey(privKey); + } + return (SECSuccess); +} + +static void +lg_searchKeys(SDB *sdb, SECItem *key_id, + unsigned long classFlags, SDBFind *search, PRBool mustStrict, + const CK_ATTRIBUTE *pTemplate, CK_ULONG ulCount) +{ + NSSLOWKEYDBHandle *keyHandle = NULL; + NSSLOWKEYPrivateKey *privKey; + lgKeyData keyData; + PRBool found = PR_FALSE; + + keyHandle = lg_getKeyDB(sdb); + if (keyHandle == NULL) { + return; + } + + if (key_id->data) { + privKey = nsslowkey_FindKeyByPublicKey(keyHandle, key_id, sdb); + if (privKey) { + if ((classFlags & LG_KEY) && isSecretKey(privKey)) { + lg_addHandle(search, + lg_mkHandle(sdb, key_id, LG_TOKEN_TYPE_KEY)); + found = PR_TRUE; + } + if ((classFlags & LG_PRIVATE) && !isSecretKey(privKey)) { + lg_addHandle(search, + lg_mkHandle(sdb, key_id, LG_TOKEN_TYPE_PRIV)); + found = PR_TRUE; + } + if ((classFlags & LG_PUBLIC) && !isSecretKey(privKey)) { + lg_addHandle(search, + lg_mkHandle(sdb, key_id, LG_TOKEN_TYPE_PUB)); + found = PR_TRUE; + } + lg_nsslowkey_DestroyPrivateKey(privKey); + } + /* don't do the traversal if we have an up to date db */ + if (keyHandle->version != 3) { + goto loser; + } + /* don't do the traversal if it can't possibly be the correct id */ + /* all soft token id's are SHA1_HASH_LEN's */ + if (key_id->len != SHA1_LENGTH) { + goto loser; + } + if (found) { + /* if we already found some keys, don't do the traversal */ + goto loser; + } + } + keyData.sdb = sdb; + keyData.keyHandle = keyHandle; + keyData.searchHandles = search; + keyData.id = key_id; + keyData.template = pTemplate; + keyData.templ_count = ulCount; + keyData.classFlags = classFlags; + keyData.strict = mustStrict ? mustStrict : LG_STRICT; + + nsslowkey_TraverseKeys(keyHandle, lg_key_collect, &keyData); + +loser: + return; +} + +/* + * structure to collect certs into + */ +typedef struct lgCertDataStr { + SDB *sdb; + int cert_count; + int max_cert_count; + NSSLOWCERTCertificate **certs; + const CK_ATTRIBUTE *template; + CK_ULONG templ_count; + unsigned long classFlags; + PRBool strict; +} lgCertData; + +/* + * collect all the certs from the traverse call. + */ +static SECStatus +lg_cert_collect(NSSLOWCERTCertificate *cert, void *arg) +{ + lgCertData *cd = (lgCertData *)arg; + + if (cert == NULL) { + return SECSuccess; + } + + if (cd->certs == NULL) { + return SECFailure; + } + + if (cd->strict) { + if ((cd->classFlags & LG_CERT) && + !lg_tokenMatch(cd->sdb, &cert->certKey, LG_TOKEN_TYPE_CERT, cd->template, cd->templ_count)) { + return SECSuccess; + } + if ((cd->classFlags & LG_TRUST) && + !lg_tokenMatch(cd->sdb, &cert->certKey, LG_TOKEN_TYPE_TRUST, cd->template, cd->templ_count)) { + return SECSuccess; + } + } + + /* allocate more space if we need it. This should only happen in + * the general traversal case */ + if (cd->cert_count >= cd->max_cert_count) { + int size; + cd->max_cert_count += LG_SEARCH_BLOCK_SIZE; + size = cd->max_cert_count * sizeof(NSSLOWCERTCertificate *); + cd->certs = (NSSLOWCERTCertificate **)PORT_Realloc(cd->certs, size); + if (cd->certs == NULL) { + return SECFailure; + } + } + + cd->certs[cd->cert_count++] = nsslowcert_DupCertificate(cert); + return SECSuccess; +} + +/* provide impedence matching ... */ +static SECStatus +lg_cert_collect2(NSSLOWCERTCertificate *cert, SECItem *dymmy, void *arg) +{ + return lg_cert_collect(cert, arg); +} + +static void +lg_searchSingleCert(lgCertData *certData, NSSLOWCERTCertificate *cert) +{ + if (cert == NULL) { + return; + } + if (certData->strict && + !lg_tokenMatch(certData->sdb, &cert->certKey, LG_TOKEN_TYPE_CERT, + certData->template, certData->templ_count)) { + nsslowcert_DestroyCertificate(cert); + return; + } + certData->certs = (NSSLOWCERTCertificate **) + PORT_Alloc(sizeof(NSSLOWCERTCertificate *)); + if (certData->certs == NULL) { + nsslowcert_DestroyCertificate(cert); + return; + } + certData->certs[0] = cert; + certData->cert_count = 1; +} + +static void +lg_CertSetupData(lgCertData *certData, int count) +{ + certData->max_cert_count = count; + + if (certData->max_cert_count <= 0) { + return; + } + certData->certs = (NSSLOWCERTCertificate **) + PORT_Alloc(count * sizeof(NSSLOWCERTCertificate *)); + return; +} + +static void +lg_searchCertsAndTrust(SDB *sdb, SECItem *derCert, SECItem *name, + SECItem *derSubject, NSSLOWCERTIssuerAndSN *issuerSN, + SECItem *email, + unsigned long classFlags, SDBFind *handles, + const CK_ATTRIBUTE *pTemplate, CK_LONG ulCount) +{ + NSSLOWCERTCertDBHandle *certHandle = NULL; + lgCertData certData; + int i; + + certHandle = lg_getCertDB(sdb); + if (certHandle == NULL) + return; + + certData.sdb = sdb; + certData.max_cert_count = 0; + certData.certs = NULL; + certData.cert_count = 0; + certData.template = pTemplate; + certData.templ_count = ulCount; + certData.classFlags = classFlags; + certData.strict = LG_STRICT; + + /* + * Find the Cert. + */ + if (derCert->data != NULL) { + NSSLOWCERTCertificate *cert = + nsslowcert_FindCertByDERCert(certHandle, derCert); + lg_searchSingleCert(&certData, cert); + } else if (name->data != NULL) { + char *tmp_name = (char *)PORT_Alloc(name->len + 1); + int count; + + if (tmp_name == NULL) { + return; + } + PORT_Memcpy(tmp_name, name->data, name->len); + tmp_name[name->len] = 0; + + count = nsslowcert_NumPermCertsForNickname(certHandle, tmp_name); + lg_CertSetupData(&certData, count); + nsslowcert_TraversePermCertsForNickname(certHandle, tmp_name, + lg_cert_collect, &certData); + PORT_Free(tmp_name); + } else if (derSubject->data != NULL) { + int count; + + count = nsslowcert_NumPermCertsForSubject(certHandle, derSubject); + lg_CertSetupData(&certData, count); + nsslowcert_TraversePermCertsForSubject(certHandle, derSubject, + lg_cert_collect, &certData); + } else if ((issuerSN->derIssuer.data != NULL) && + (issuerSN->serialNumber.data != NULL)) { + if (classFlags & LG_CERT) { + NSSLOWCERTCertificate *cert = + nsslowcert_FindCertByIssuerAndSN(certHandle, issuerSN); + + lg_searchSingleCert(&certData, cert); + } + if (classFlags & LG_TRUST) { + NSSLOWCERTTrust *trust = + nsslowcert_FindTrustByIssuerAndSN(certHandle, issuerSN); + + if (trust) { + lg_addHandle(handles, + lg_mkHandle(sdb, &trust->dbKey, LG_TOKEN_TYPE_TRUST)); + nsslowcert_DestroyTrust(trust); + } + } + } else if (email->data != NULL) { + char *tmp_name = (char *)PORT_Alloc(email->len + 1); + certDBEntrySMime *entry = NULL; + + if (tmp_name == NULL) { + return; + } + PORT_Memcpy(tmp_name, email->data, email->len); + tmp_name[email->len] = 0; + + entry = nsslowcert_ReadDBSMimeEntry(certHandle, tmp_name); + if (entry) { + int count; + SECItem *subjectName = &entry->subjectName; + + count = nsslowcert_NumPermCertsForSubject(certHandle, subjectName); + lg_CertSetupData(&certData, count); + nsslowcert_TraversePermCertsForSubject(certHandle, subjectName, + lg_cert_collect, &certData); + + nsslowcert_DestroyDBEntry((certDBEntry *)entry); + } + PORT_Free(tmp_name); + } else { + /* we aren't filtering the certs, we are working on all, so turn + * on the strict filters. */ + certData.strict = PR_TRUE; + lg_CertSetupData(&certData, LG_SEARCH_BLOCK_SIZE); + nsslowcert_TraversePermCerts(certHandle, lg_cert_collect2, &certData); + } + + /* + * build the handles + */ + for (i = 0; i < certData.cert_count; i++) { + NSSLOWCERTCertificate *cert = certData.certs[i]; + + /* if we filtered it would have been on the stuff above */ + if (classFlags & LG_CERT) { + lg_addHandle(handles, + lg_mkHandle(sdb, &cert->certKey, LG_TOKEN_TYPE_CERT)); + } + if ((classFlags & LG_TRUST) && nsslowcert_hasTrust(cert->trust)) { + lg_addHandle(handles, + lg_mkHandle(sdb, &cert->certKey, LG_TOKEN_TYPE_TRUST)); + } + nsslowcert_DestroyCertificate(cert); + } + + if (certData.certs) + PORT_Free(certData.certs); + return; +} + +static SECStatus +lg_smime_collect(SECItem *data, SECItem *key, certDBEntryType type, void *arg) +{ + lgEntryData *smimeData; + SDB *sdb; + + smimeData = (lgEntryData *)arg; + sdb = smimeData->sdb; + + if (lg_tokenMatch(sdb, key, LG_TOKEN_TYPE_SMIME, + smimeData->template, smimeData->templ_count)) { + lg_addHandle(smimeData->searchHandles, + lg_mkHandle(sdb, key, LG_TOKEN_TYPE_SMIME)); + } + return (SECSuccess); +} + +static void +lg_searchSMime(SDB *sdb, SECItem *email, SDBFind *handles, + const CK_ATTRIBUTE *pTemplate, CK_LONG ulCount) +{ + NSSLOWCERTCertDBHandle *certHandle = NULL; + certDBEntrySMime *entry; + + certHandle = lg_getCertDB(sdb); + if (certHandle == NULL) + return; + + if (email->data != NULL) { + char *tmp_name = (char *)PORT_Alloc(email->len + 1); + + if (tmp_name == NULL) { + return; + } + PORT_Memcpy(tmp_name, email->data, email->len); + tmp_name[email->len] = 0; + + entry = nsslowcert_ReadDBSMimeEntry(certHandle, tmp_name); + if (entry) { + SECItem emailKey; + + emailKey.data = (unsigned char *)tmp_name; + emailKey.len = PORT_Strlen(tmp_name) + 1; + emailKey.type = 0; + lg_addHandle(handles, + lg_mkHandle(sdb, &emailKey, LG_TOKEN_TYPE_SMIME)); + nsslowcert_DestroyDBEntry((certDBEntry *)entry); + } + PORT_Free(tmp_name); + } else { + /* traverse */ + lgEntryData smimeData; + + /* traverse */ + smimeData.sdb = sdb; + smimeData.searchHandles = handles; + smimeData.template = pTemplate; + smimeData.templ_count = ulCount; + nsslowcert_TraverseDBEntries(certHandle, certDBEntryTypeSMimeProfile, + lg_smime_collect, (void *)&smimeData); + } + return; +} + +static CK_RV +lg_searchTokenList(SDB *sdb, SDBFind *search, + const CK_ATTRIBUTE *pTemplate, CK_LONG ulCount) +{ + int i; + PRBool isKrl = PR_FALSE; + SECItem derCert = { siBuffer, NULL, 0 }; + SECItem derSubject = { siBuffer, NULL, 0 }; + SECItem name = { siBuffer, NULL, 0 }; + SECItem email = { siBuffer, NULL, 0 }; + SECItem key_id = { siBuffer, NULL, 0 }; + SECItem cert_sha1_hash = { siBuffer, NULL, 0 }; + SECItem cert_md5_hash = { siBuffer, NULL, 0 }; + NSSLOWCERTIssuerAndSN issuerSN = { + { siBuffer, NULL, 0 }, + { siBuffer, NULL, 0 } + }; + SECItem *copy = NULL; + CK_CERTIFICATE_TYPE certType; + CK_OBJECT_CLASS objectClass; + CK_RV crv; + unsigned long classFlags; + + if (lg_getCertDB(sdb) == NULL) { + classFlags = LG_PRIVATE | LG_KEY; + } else { + classFlags = LG_CERT | LG_TRUST | LG_PUBLIC | LG_SMIME | LG_CRL; + } + + /* + * look for things to search on token objects for. If the right options + * are specified, we can use them as direct indeces into the database + * (rather than using linear searches. We can also use the attributes to + * limit the kinds of objects we are searching for. Later we can use this + * array to filter the remaining objects more finely. + */ + for (i = 0; classFlags && i < (int)ulCount; i++) { + + switch (pTemplate[i].type) { + case CKA_SUBJECT: + copy = &derSubject; + classFlags &= (LG_CERT | LG_PRIVATE | LG_PUBLIC | LG_SMIME | LG_CRL); + break; + case CKA_ISSUER: + copy = &issuerSN.derIssuer; + classFlags &= (LG_CERT | LG_TRUST); + break; + case CKA_SERIAL_NUMBER: + copy = &issuerSN.serialNumber; + classFlags &= (LG_CERT | LG_TRUST); + break; + case CKA_VALUE: + copy = &derCert; + classFlags &= (LG_CERT | LG_CRL | LG_SMIME); + break; + case CKA_LABEL: + copy = &name; + break; + case CKA_NETSCAPE_EMAIL: + copy = &email; + classFlags &= LG_SMIME | LG_CERT; + break; + case CKA_NETSCAPE_SMIME_TIMESTAMP: + classFlags &= LG_SMIME; + break; + case CKA_CLASS: + crv = lg_GetULongAttribute(CKA_CLASS, &pTemplate[i], 1, &objectClass); + if (crv != CKR_OK) { + classFlags = 0; + break; + } + switch (objectClass) { + case CKO_CERTIFICATE: + classFlags &= LG_CERT; + break; + case CKO_NETSCAPE_TRUST: + classFlags &= LG_TRUST; + break; + case CKO_NETSCAPE_CRL: + classFlags &= LG_CRL; + break; + case CKO_NETSCAPE_SMIME: + classFlags &= LG_SMIME; + break; + case CKO_PRIVATE_KEY: + classFlags &= LG_PRIVATE; + break; + case CKO_PUBLIC_KEY: + classFlags &= LG_PUBLIC; + break; + case CKO_SECRET_KEY: + classFlags &= LG_KEY; + break; + default: + classFlags = 0; + break; + } + break; + case CKA_PRIVATE: + if (pTemplate[i].ulValueLen != sizeof(CK_BBOOL)) { + classFlags = 0; + break; + } + if (*((CK_BBOOL *)pTemplate[i].pValue) == CK_TRUE) { + classFlags &= (LG_PRIVATE | LG_KEY); + } else { + classFlags &= ~(LG_PRIVATE | LG_KEY); + } + break; + case CKA_SENSITIVE: + if (pTemplate[i].ulValueLen != sizeof(CK_BBOOL)) { + classFlags = 0; + break; + } + if (*((CK_BBOOL *)pTemplate[i].pValue) == CK_TRUE) { + classFlags &= (LG_PRIVATE | LG_KEY); + } else { + classFlags = 0; + } + break; + case CKA_TOKEN: + if (pTemplate[i].ulValueLen != sizeof(CK_BBOOL)) { + classFlags = 0; + break; + } + if (*((CK_BBOOL *)pTemplate[i].pValue) != CK_TRUE) { + classFlags = 0; + } + break; + case CKA_CERT_SHA1_HASH: + classFlags &= LG_TRUST; + copy = &cert_sha1_hash; + break; + case CKA_CERT_MD5_HASH: + classFlags &= LG_TRUST; + copy = &cert_md5_hash; + break; + case CKA_CERTIFICATE_TYPE: + crv = lg_GetULongAttribute(CKA_CERTIFICATE_TYPE, &pTemplate[i], + 1, &certType); + if (crv != CKR_OK) { + classFlags = 0; + break; + } + classFlags &= LG_CERT; + if (certType != CKC_X_509) { + classFlags = 0; + } + break; + case CKA_ID: + copy = &key_id; + classFlags &= (LG_CERT | LG_PRIVATE | LG_KEY | LG_PUBLIC); + break; + case CKA_NETSCAPE_KRL: + if (pTemplate[i].ulValueLen != sizeof(CK_BBOOL)) { + classFlags = 0; + break; + } + classFlags &= LG_CRL; + isKrl = (PRBool)(*((CK_BBOOL *)pTemplate[i].pValue) == CK_TRUE); + break; + case CKA_MODIFIABLE: + break; + case CKA_KEY_TYPE: + case CKA_DERIVE: + classFlags &= LG_PUBLIC | LG_PRIVATE | LG_KEY; + break; + case CKA_VERIFY_RECOVER: + classFlags &= LG_PUBLIC; + break; + case CKA_SIGN_RECOVER: + classFlags &= LG_PRIVATE; + break; + case CKA_ENCRYPT: + case CKA_VERIFY: + case CKA_WRAP: + classFlags &= LG_PUBLIC | LG_KEY; + break; + case CKA_DECRYPT: + case CKA_SIGN: + case CKA_UNWRAP: + case CKA_ALWAYS_SENSITIVE: + case CKA_EXTRACTABLE: + case CKA_NEVER_EXTRACTABLE: + classFlags &= LG_PRIVATE | LG_KEY; + break; + /* can't be a certificate if it doesn't match one of the above + * attributes */ + default: + classFlags = 0; + break; + } + if (copy) { + copy->data = (unsigned char *)pTemplate[i].pValue; + copy->len = pTemplate[i].ulValueLen; + } + copy = NULL; + } + + /* certs */ + if (classFlags & (LG_CERT | LG_TRUST)) { + lg_searchCertsAndTrust(sdb, &derCert, &name, &derSubject, + &issuerSN, &email, classFlags, search, + pTemplate, ulCount); + } + + /* keys */ + if (classFlags & (LG_PRIVATE | LG_PUBLIC | LG_KEY)) { + PRBool mustStrict = (name.len != 0); + lg_searchKeys(sdb, &key_id, classFlags, search, + mustStrict, pTemplate, ulCount); + } + + /* crl's */ + if (classFlags & LG_CRL) { + lg_searchCrls(sdb, &derSubject, isKrl, classFlags, search, + pTemplate, ulCount); + } + /* Add S/MIME entry stuff */ + if (classFlags & LG_SMIME) { + lg_searchSMime(sdb, &email, search, pTemplate, ulCount); + } + return CKR_OK; +} + +/* lg_FindObjectsInit initializes a search for token and session objects + * that match a template. */ +CK_RV +lg_FindObjectsInit(SDB *sdb, const CK_ATTRIBUTE *pTemplate, + CK_ULONG ulCount, SDBFind **retSearch) +{ + SDBFind *search; + CK_RV crv = CKR_OK; + + *retSearch = NULL; + + search = (SDBFind *)PORT_Alloc(sizeof(SDBFind)); + if (search == NULL) { + crv = CKR_HOST_MEMORY; + goto loser; + } + search->handles = (CK_OBJECT_HANDLE *) + PORT_Alloc(sizeof(CK_OBJECT_HANDLE) * LG_SEARCH_BLOCK_SIZE); + if (search->handles == NULL) { + crv = CKR_HOST_MEMORY; + goto loser; + } + search->index = 0; + search->size = 0; + search->array_size = LG_SEARCH_BLOCK_SIZE; + /* FIXME - do we still need to get Login state? */ + + crv = lg_searchTokenList(sdb, search, pTemplate, ulCount); + if (crv != CKR_OK) { + goto loser; + } + + *retSearch = search; + return CKR_OK; + +loser: + if (search) { + lg_FreeSearch(search); + } + return crv; +} + +/* lg_FindObjects continues a search for token and session objects + * that match a template, obtaining additional object handles. */ +CK_RV +lg_FindObjects(SDB *sdb, SDBFind *search, + CK_OBJECT_HANDLE *phObject, CK_ULONG ulMaxObjectCount, + CK_ULONG *pulObjectCount) +{ + int transfer; + int left; + + *pulObjectCount = 0; + left = search->size - search->index; + transfer = ((int)ulMaxObjectCount > left) ? left : ulMaxObjectCount; + if (transfer > 0) { + PORT_Memcpy(phObject, &search->handles[search->index], + transfer * sizeof(CK_OBJECT_HANDLE)); + } else { + *phObject = CK_INVALID_HANDLE; + } + + search->index += transfer; + *pulObjectCount = transfer; + return CKR_OK; +} + +/* lg_FindObjectsFinal finishes a search for token and session objects. */ +CK_RV +lg_FindObjectsFinal(SDB *lgdb, SDBFind *search) +{ + + if (search != NULL) { + lg_FreeSearch(search); + } + return CKR_OK; +} diff --git a/security/nss/lib/softoken/legacydb/lgfips.c b/security/nss/lib/softoken/legacydb/lgfips.c new file mode 100644 index 000000000..b017424db --- /dev/null +++ b/security/nss/lib/softoken/legacydb/lgfips.c @@ -0,0 +1,115 @@ +/* + * PKCS #11 FIPS Power-Up Self Test. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ +/* $Id: fipstest.c,v 1.31 2012/06/28 17:55:06 rrelyea%redhat.com Exp $ */ + +#include "seccomon.h" +#include "lgdb.h" +#include "blapi.h" + +/* + * different platforms have different ways of calling and initial entry point + * when the dll/.so is loaded. Most platforms support either a posix pragma + * or the GCC attribute. Some platforms suppor a pre-defined name, and some + * platforms have a link line way of invoking this function. + */ + +/* The pragma */ +#if defined(USE_INIT_PRAGMA) +#pragma init(lg_startup_tests) +#endif + +/* GCC Attribute */ +#if defined(__GNUC__) && !defined(NSS_NO_INIT_SUPPORT) +#define INIT_FUNCTION __attribute__((constructor)) +#else +#define INIT_FUNCTION +#endif + +static void INIT_FUNCTION lg_startup_tests(void); + +/* Windows pre-defined entry */ +#if defined(XP_WIN) && !defined(NSS_NO_INIT_SUPPORT) +#include <windows.h> + +BOOL WINAPI DllMain( + HINSTANCE hinstDLL, // handle to DLL module + DWORD fdwReason, // reason for calling function + LPVOID lpReserved) // reserved +{ + // Perform actions based on the reason for calling. + switch (fdwReason) { + case DLL_PROCESS_ATTACH: + // Initialize once for each new process. + // Return FALSE to fail DLL load. + lg_startup_tests(); + break; + + case DLL_THREAD_ATTACH: + // Do thread-specific initialization. + break; + + case DLL_THREAD_DETACH: + // Do thread-specific cleanup. + break; + + case DLL_PROCESS_DETACH: + // Perform any necessary cleanup. + break; + } + return TRUE; // Successful DLL_PROCESS_ATTACH. +} +#endif + +static PRBool lg_self_tests_ran = PR_FALSE; +static PRBool lg_self_tests_success = PR_FALSE; + +static void +lg_local_function(void) +{ +} + +/* + * This function is called at dll load time, the code tha makes this + * happen is platform specific on defined above. + */ +static void +lg_startup_tests(void) +{ + const char *libraryName = LG_LIB_NAME; + + PORT_Assert(!lg_self_tests_ran); + PORT_Assert(!lg_self_tests_success); + lg_self_tests_ran = PR_TRUE; + lg_self_tests_success = PR_FALSE; /* just in case */ + + /* no self tests required for the legacy db, only the integrity check */ + /* check the integrity of our shared library */ + if (!BLAPI_SHVerify(libraryName, (PRFuncPtr)&lg_local_function)) { + /* something is wrong with the library, fail without enabling + * the fips token */ + return; + } + /* FIPS product has been installed and is functioning, allow + * the module to operate in fips mode */ + lg_self_tests_success = PR_TRUE; +} + +PRBool +lg_FIPSEntryOK() +{ +#ifdef NSS_NO_INIT_SUPPORT + /* this should only be set on platforms that can't handle one of the INIT + * schemes. This code allows those platforms to continue to function, + * though they don't meet the strict NIST requirements. If NO_INIT_SUPPORT + * is not set, and init support has not been properly enabled, softken + * will always fail because of the test below */ + if (!lg_self_tests_ran) { + lg_startup_tests(); + } +#endif + return lg_self_tests_success; +} diff --git a/security/nss/lib/softoken/legacydb/lginit.c b/security/nss/lib/softoken/legacydb/lginit.c new file mode 100644 index 000000000..6913eea50 --- /dev/null +++ b/security/nss/lib/softoken/legacydb/lginit.c @@ -0,0 +1,660 @@ +/* + * NSS utility functions + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#include "lowkeyi.h" +#include "pcert.h" +#include "keydbi.h" +#include "lgdb.h" +#include "secoid.h" +#include "prenv.h" +#include "softkver.h" + +/* Library identity and versioning */ + +#if defined(DEBUG) +#define _DEBUG_STRING " (debug)" +#else +#define _DEBUG_STRING "" +#endif + +/* + * Version information + */ +const char __nss_dbm_version[] = "Version: NSS " SOFTOKEN_VERSION _DEBUG_STRING; + +typedef struct LGPrivateStr { + NSSLOWCERTCertDBHandle *certDB; + NSSLOWKEYDBHandle *keyDB; + PRLock *dbLock; + PLHashTable *hashTable; +} LGPrivate; + +static char * +lg_certdb_name_cb(void *arg, int dbVersion) +{ + const char *configdir = (const char *)arg; + const char *dbver; + char *smpname = NULL; + char *dbname = NULL; + + switch (dbVersion) { + case 8: + dbver = "8"; + break; + case 7: + dbver = "7"; + break; + case 6: + dbver = "6"; + break; + case 5: + dbver = "5"; + break; + case 4: + default: + dbver = ""; + break; + } + + /* make sure we return something allocated with PORT_ so we have properly + * matched frees at the end */ + smpname = PR_smprintf(CERT_DB_FMT, configdir, dbver); + if (smpname) { + dbname = PORT_Strdup(smpname); + PR_smprintf_free(smpname); + } + return dbname; +} + +static char * +lg_keydb_name_cb(void *arg, int dbVersion) +{ + const char *configdir = (const char *)arg; + const char *dbver; + char *smpname = NULL; + char *dbname = NULL; + + switch (dbVersion) { + case 4: + dbver = "4"; + break; + case 3: + dbver = "3"; + break; + case 1: + dbver = "1"; + break; + case 2: + default: + dbver = ""; + break; + } + + smpname = PR_smprintf(KEY_DB_FMT, configdir, dbver); + if (smpname) { + dbname = PORT_Strdup(smpname); + PR_smprintf_free(smpname); + } + return dbname; +} + +const char * +lg_EvaluateConfigDir(const char *configdir, char **appName) +{ + if (PORT_Strncmp(configdir, MULTIACCESS, sizeof(MULTIACCESS) - 1) == 0) { + char *cdir; + + *appName = PORT_Strdup(configdir + sizeof(MULTIACCESS) - 1); + if (*appName == NULL) { + return configdir; + } + cdir = *appName; + while (*cdir && *cdir != ':') { + cdir++; + } + if (*cdir == ':') { + *cdir = 0; + cdir++; + } + configdir = cdir; + } + return configdir; +} + +static int rdbmapflags(int flags); +static rdbfunc lg_rdbfunc = NULL; +static rdbstatusfunc lg_rdbstatusfunc = NULL; + +/* NOTE: SHLIB_SUFFIX is defined on the command line */ +#define RDBLIB SHLIB_PREFIX "rdb." SHLIB_SUFFIX + +DB * +rdbopen(const char *appName, const char *prefix, + const char *type, int flags, int *status) +{ + PRLibrary *lib; + DB *db; + char *disableUnload = NULL; + + if (lg_rdbfunc) { + db = (*lg_rdbfunc)(appName, prefix, type, rdbmapflags(flags)); + if (!db && status && lg_rdbstatusfunc) { + *status = (*lg_rdbstatusfunc)(); + } + return db; + } + + /* + * try to open the library. + */ + lib = PR_LoadLibrary(RDBLIB); + + if (!lib) { + return NULL; + } + + /* get the entry points */ + lg_rdbstatusfunc = (rdbstatusfunc)PR_FindSymbol(lib, "rdbstatus"); + lg_rdbfunc = (rdbfunc)PR_FindSymbol(lib, "rdbopen"); + if (lg_rdbfunc) { + db = (*lg_rdbfunc)(appName, prefix, type, rdbmapflags(flags)); + if (!db && status && lg_rdbstatusfunc) { + *status = (*lg_rdbstatusfunc)(); + } + return db; + } + + /* couldn't find the entry point, unload the library and fail */ + disableUnload = PR_GetEnvSecure("NSS_DISABLE_UNLOAD"); + if (!disableUnload) { + PR_UnloadLibrary(lib); + } + return NULL; +} + +/* + * the following data structures are from rdb.h. + */ +struct RDBStr { + DB db; + int (*xactstart)(DB *db); + int (*xactdone)(DB *db, PRBool abort); + int version; + int (*dbinitcomplete)(DB *db); +}; + +#define DB_RDB ((DBTYPE)0xff) +#define RDB_RDONLY 1 +#define RDB_RDWR 2 +#define RDB_CREATE 4 + +static int +rdbmapflags(int flags) +{ + switch (flags) { + case NO_RDONLY: + return RDB_RDONLY; + case NO_RDWR: + return RDB_RDWR; + case NO_CREATE: + return RDB_CREATE; + default: + break; + } + return 0; +} + +PRBool +db_IsRDB(DB *db) +{ + return (PRBool)db->type == DB_RDB; +} + +int +db_BeginTransaction(DB *db) +{ + struct RDBStr *rdb = (struct RDBStr *)db; + if (db->type != DB_RDB) { + return 0; + } + + return rdb->xactstart(db); +} + +int +db_FinishTransaction(DB *db, PRBool abort) +{ + struct RDBStr *rdb = (struct RDBStr *)db; + if (db->type != DB_RDB) { + return 0; + } + + return rdb->xactdone(db, abort); +} + +static DB * +lg_getRawDB(SDB *sdb) +{ + NSSLOWCERTCertDBHandle *certDB; + NSSLOWKEYDBHandle *keyDB; + + certDB = lg_getCertDB(sdb); + if (certDB) { + return certDB->permCertDB; + } + keyDB = lg_getKeyDB(sdb); + if (keyDB) { + return keyDB->db; + } + return NULL; +} + +CK_RV +lg_Begin(SDB *sdb) +{ + DB *db = lg_getRawDB(sdb); + int ret; + + if (db == NULL) { + return CKR_GENERAL_ERROR; /* shouldn't happen */ + } + ret = db_BeginTransaction(db); + if (ret != 0) { + return CKR_GENERAL_ERROR; /* could happen */ + } + return CKR_OK; +} + +CK_RV +lg_Commit(SDB *sdb) +{ + DB *db = lg_getRawDB(sdb); + int ret; + + if (db == NULL) { + return CKR_GENERAL_ERROR; /* shouldn't happen */ + } + ret = db_FinishTransaction(db, PR_FALSE); + if (ret != 0) { + return CKR_GENERAL_ERROR; /* could happen */ + } + return CKR_OK; +} + +CK_RV +lg_Abort(SDB *sdb) +{ + DB *db = lg_getRawDB(sdb); + int ret; + + if (db == NULL) { + return CKR_GENERAL_ERROR; /* shouldn't happen */ + } + ret = db_FinishTransaction(db, PR_TRUE); + if (ret != 0) { + return CKR_GENERAL_ERROR; /* could happen */ + } + return CKR_OK; +} + +int +db_InitComplete(DB *db) +{ + struct RDBStr *rdb = (struct RDBStr *)db; + if (db->type != DB_RDB) { + return 0; + } + /* we should have added a version number to the RDBS structure. Since we + * didn't, we detect that we have and 'extended' structure if the rdbstatus + * func exists */ + if (!lg_rdbstatusfunc) { + return 0; + } + + return rdb->dbinitcomplete(db); +} + +SECStatus +db_Copy(DB *dest, DB *src) +{ + int ret; + DBT key, data; + ret = (*src->seq)(src, &key, &data, R_FIRST); + if (ret) { + return SECSuccess; + } + + do { + (void)(*dest->put)(dest, &key, &data, R_NOOVERWRITE); + } while ((*src->seq)(src, &key, &data, R_NEXT) == 0); + (void)(*dest->sync)(dest, 0); + + return SECSuccess; +} + +static CK_RV +lg_OpenCertDB(const char *configdir, const char *prefix, PRBool readOnly, + NSSLOWCERTCertDBHandle **certdbPtr) +{ + NSSLOWCERTCertDBHandle *certdb = NULL; + CK_RV crv = CKR_NETSCAPE_CERTDB_FAILED; + SECStatus rv; + char *name = NULL; + char *appName = NULL; + + if (prefix == NULL) { + prefix = ""; + } + + configdir = lg_EvaluateConfigDir(configdir, &appName); + + name = PR_smprintf("%s" PATH_SEPARATOR "%s", configdir, prefix); + if (name == NULL) + goto loser; + + certdb = (NSSLOWCERTCertDBHandle *)PORT_ZAlloc(sizeof(NSSLOWCERTCertDBHandle)); + if (certdb == NULL) + goto loser; + + certdb->ref = 1; + /* fix when we get the DB in */ + rv = nsslowcert_OpenCertDB(certdb, readOnly, appName, prefix, + lg_certdb_name_cb, (void *)name, PR_FALSE); + if (rv == SECSuccess) { + crv = CKR_OK; + *certdbPtr = certdb; + certdb = NULL; + } +loser: + if (certdb) + PR_Free(certdb); + if (name) + PR_smprintf_free(name); + if (appName) + PORT_Free(appName); + return crv; +} + +static CK_RV +lg_OpenKeyDB(const char *configdir, const char *prefix, PRBool readOnly, + NSSLOWKEYDBHandle **keydbPtr) +{ + NSSLOWKEYDBHandle *keydb; + char *name = NULL; + char *appName = NULL; + + if (prefix == NULL) { + prefix = ""; + } + configdir = lg_EvaluateConfigDir(configdir, &appName); + + name = PR_smprintf("%s" PATH_SEPARATOR "%s", configdir, prefix); + if (name == NULL) + return CKR_HOST_MEMORY; + keydb = nsslowkey_OpenKeyDB(readOnly, appName, prefix, + lg_keydb_name_cb, (void *)name); + PR_smprintf_free(name); + if (appName) + PORT_Free(appName); + if (keydb == NULL) + return CKR_NETSCAPE_KEYDB_FAILED; + *keydbPtr = keydb; + + return CKR_OK; +} + +/* + * Accessors for the private parts of the sdb structure. + */ +void +lg_DBLock(SDB *sdb) +{ + LGPrivate *lgdb_p = (LGPrivate *)sdb->private; + SKIP_AFTER_FORK(PR_Lock(lgdb_p->dbLock)); +} + +void +lg_DBUnlock(SDB *sdb) +{ + LGPrivate *lgdb_p = (LGPrivate *)sdb->private; + SKIP_AFTER_FORK(PR_Unlock(lgdb_p->dbLock)); +} + +PLHashTable * +lg_GetHashTable(SDB *sdb) +{ + LGPrivate *lgdb_p = (LGPrivate *)sdb->private; + return lgdb_p->hashTable; +} + +NSSLOWCERTCertDBHandle * +lg_getCertDB(SDB *sdb) +{ + LGPrivate *lgdb_p = (LGPrivate *)sdb->private; + + return lgdb_p->certDB; +} + +NSSLOWKEYDBHandle * +lg_getKeyDB(SDB *sdb) +{ + LGPrivate *lgdb_p = (LGPrivate *)sdb->private; + + return lgdb_p->keyDB; +} + +PRBool lg_parentForkedAfterC_Initialize; + +void +lg_SetForkState(PRBool forked) +{ + lg_parentForkedAfterC_Initialize = forked; +} + +CK_RV +lg_Close(SDB *sdb) +{ + LGPrivate *lgdb_p = (LGPrivate *)sdb->private; + lg_ClearTokenKeyHashTable(sdb); + if (lgdb_p) { + if (lgdb_p->certDB) { + nsslowcert_ClosePermCertDB(lgdb_p->certDB); + } else if (lgdb_p->keyDB) { + nsslowkey_CloseKeyDB(lgdb_p->keyDB); + } + if (lgdb_p->dbLock) { + SKIP_AFTER_FORK(PR_DestroyLock(lgdb_p->dbLock)); + } + if (lgdb_p->hashTable) { + PL_HashTableDestroy(lgdb_p->hashTable); + } + PORT_Free(lgdb_p); + } + PORT_Free(sdb); + return CKR_OK; +} + +static PLHashNumber +lg_HashNumber(const void *key) +{ + return (PLHashNumber)((char *)key - (char *)NULL); +} + +/* + * helper function to wrap a NSSLOWCERTCertDBHandle or a NSSLOWKEYDBHandle + * with and sdb structure. + */ +CK_RV +lg_init(SDB **pSdb, int flags, NSSLOWCERTCertDBHandle *certdbPtr, + NSSLOWKEYDBHandle *keydbPtr) +{ + SDB *sdb = NULL; + LGPrivate *lgdb_p = NULL; + CK_RV error = CKR_HOST_MEMORY; + + *pSdb = NULL; + sdb = (SDB *)PORT_Alloc(sizeof(SDB)); + if (sdb == NULL) { + goto loser; + } + lgdb_p = (LGPrivate *)PORT_Alloc(sizeof(LGPrivate)); + if (lgdb_p == NULL) { + goto loser; + } + /* invariant fields */ + lgdb_p->certDB = certdbPtr; + lgdb_p->keyDB = keydbPtr; + lgdb_p->dbLock = PR_NewLock(); + if (lgdb_p->dbLock == NULL) { + goto loser; + } + lgdb_p->hashTable = PL_NewHashTable(64, lg_HashNumber, PL_CompareValues, + SECITEM_HashCompare, NULL, 0); + if (lgdb_p->hashTable == NULL) { + goto loser; + } + + sdb->private = lgdb_p; + sdb->version = 0; + sdb->sdb_flags = flags; + sdb->app_private = NULL; + sdb->sdb_FindObjectsInit = lg_FindObjectsInit; + sdb->sdb_FindObjects = lg_FindObjects; + sdb->sdb_FindObjectsFinal = lg_FindObjectsFinal; + sdb->sdb_GetAttributeValue = lg_GetAttributeValue; + sdb->sdb_SetAttributeValue = lg_SetAttributeValue; + sdb->sdb_CreateObject = lg_CreateObject; + sdb->sdb_DestroyObject = lg_DestroyObject; + sdb->sdb_GetMetaData = lg_GetMetaData; + sdb->sdb_PutMetaData = lg_PutMetaData; + sdb->sdb_Begin = lg_Begin; + sdb->sdb_Commit = lg_Commit; + sdb->sdb_Abort = lg_Abort; + sdb->sdb_Reset = lg_Reset; + sdb->sdb_Close = lg_Close; + sdb->sdb_SetForkState = lg_SetForkState; + + *pSdb = sdb; + return CKR_OK; + +loser: + if (sdb) { + PORT_Free(sdb); + } + if (lgdb_p) { + if (lgdb_p->dbLock) { + PR_DestroyLock(lgdb_p->dbLock); + } + if (lgdb_p->hashTable) { + PL_HashTableDestroy(lgdb_p->hashTable); + } + PORT_Free(lgdb_p); + } + return error; +} + +/* + * OK there are now lots of options here, lets go through them all: + * + * configdir - base directory where all the cert, key, and module datbases live. + * certPrefix - prefix added to the beginning of the cert database example: " + * "https-server1-" + * keyPrefix - prefix added to the beginning of the key database example: " + * "https-server1-" + * secmodName - name of the security module database (usually "secmod.db"). + * readOnly - Boolean: true if the databases are to be openned read only. + * nocertdb - Don't open the cert DB and key DB's, just initialize the + * Volatile certdb. + * nomoddb - Don't open the security module DB, just initialize the + * PKCS #11 module. + * forceOpen - Continue to force initializations even if the databases cannot + * be opened. + */ +CK_RV +legacy_Open(const char *configdir, const char *certPrefix, + const char *keyPrefix, int certVersion, int keyVersion, + int flags, SDB **certDB, SDB **keyDB) +{ + CK_RV crv = CKR_OK; + SECStatus rv; + PRBool readOnly = ((flags & 0x7) == SDB_RDONLY) ? PR_TRUE : PR_FALSE; + +#define NSS_VERSION_VARIABLE __nss_dbm_version +#include "verref.h" + + if (flags & SDB_FIPS) { + if (!lg_FIPSEntryOK()) { + return CKR_DEVICE_ERROR; + } + } + + rv = SECOID_Init(); + if (SECSuccess != rv) { + return CKR_DEVICE_ERROR; + } + nsslowcert_InitLocks(); + + if (keyDB) + *keyDB = NULL; + if (certDB) + *certDB = NULL; + + if (certDB) { + NSSLOWCERTCertDBHandle *certdbPtr = NULL; + + crv = lg_OpenCertDB(configdir, certPrefix, readOnly, &certdbPtr); + if (crv != CKR_OK) { + goto loser; + } + crv = lg_init(certDB, flags, certdbPtr, NULL); + if (crv != CKR_OK) { + nsslowcert_ClosePermCertDB(certdbPtr); + goto loser; + } + } + if (keyDB) { + NSSLOWKEYDBHandle *keydbPtr; + + crv = lg_OpenKeyDB(configdir, keyPrefix, readOnly, &keydbPtr); + if (crv != CKR_OK) { + goto loser; + } + crv = lg_init(keyDB, flags, NULL, keydbPtr); + if (crv != CKR_OK) { + nsslowkey_CloseKeyDB(keydbPtr); + goto loser; + } + if (certDB && *certDB) { + LGPrivate *lgdb_p = (LGPrivate *)(*certDB)->private; + lgdb_p->keyDB = keydbPtr; + } + } + +loser: + if (crv != CKR_OK) { + if (keyDB && *keyDB) { + lg_Close(*keyDB); + *keyDB = NULL; + } + if (certDB && *certDB) { + lg_Close(*certDB); + *certDB = NULL; + } + } + return crv; +} + +CK_RV +legacy_Shutdown(PRBool forked) +{ + lg_SetForkState(forked); + nsslowcert_DestroyFreeLists(); + nsslowcert_DestroyGlobalLocks(); + SECOID_Shutdown(); + lg_SetForkState(PR_FALSE); + return CKR_OK; +} diff --git a/security/nss/lib/softoken/legacydb/lgutil.c b/security/nss/lib/softoken/legacydb/lgutil.c new file mode 100644 index 000000000..d872bf4b3 --- /dev/null +++ b/security/nss/lib/softoken/legacydb/lgutil.c @@ -0,0 +1,399 @@ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ +#include "lgdb.h" +#include "secerr.h" +#include "lgglue.h" + +/* + * ******************** Attribute Utilities ******************************* + */ + +/* + * look up and attribute structure from a type and Object structure. + * The returned attribute is referenced and needs to be freed when + * it is no longer needed. + */ +const CK_ATTRIBUTE * +lg_FindAttribute(CK_ATTRIBUTE_TYPE type, const CK_ATTRIBUTE *templ, + CK_ULONG count) +{ + unsigned int i; + + for (i = 0; i < count; i++) { + if (templ[i].type == type) { + return &templ[i]; + } + } + return NULL; +} + +/* + * return true if object has attribute + */ +PRBool +lg_hasAttribute(CK_ATTRIBUTE_TYPE type, const CK_ATTRIBUTE *templ, + CK_ULONG count) +{ + if (lg_FindAttribute(type, templ, count) == NULL) { + return PR_FALSE; + } + return PR_TRUE; +} + +/* + * copy an attribute into a SECItem. Secitem is allocated in the specified + * arena. + */ +CK_RV +lg_Attribute2SecItem(PLArenaPool *arena, CK_ATTRIBUTE_TYPE type, + const CK_ATTRIBUTE *templ, CK_ULONG count, + SECItem *item) +{ + int len; + const CK_ATTRIBUTE *attribute; + + attribute = lg_FindAttribute(type, templ, count); + if (attribute == NULL) + return CKR_TEMPLATE_INCOMPLETE; + len = attribute->ulValueLen; + + if (arena) { + item->data = (unsigned char *)PORT_ArenaAlloc(arena, len); + } else { + item->data = (unsigned char *)PORT_Alloc(len); + } + if (item->data == NULL) { + return CKR_HOST_MEMORY; + } + item->len = len; + if (item->len) { + PORT_Memcpy(item->data, attribute->pValue, len); + } + return CKR_OK; +} + +/* + * copy an unsigned attribute into a SECItem. Secitem is allocated in + * the specified arena. + */ +CK_RV +lg_Attribute2SSecItem(PLArenaPool *arena, CK_ATTRIBUTE_TYPE type, + const CK_ATTRIBUTE *templ, CK_ULONG count, + SECItem *item) +{ + const CK_ATTRIBUTE *attribute; + item->data = NULL; + + attribute = lg_FindAttribute(type, templ, count); + if (attribute == NULL) + return CKR_TEMPLATE_INCOMPLETE; + + (void)SECITEM_AllocItem(arena, item, attribute->ulValueLen); + if (item->data == NULL) { + return CKR_HOST_MEMORY; + } + PORT_Memcpy(item->data, attribute->pValue, item->len); + return CKR_OK; +} + +/* + * copy an unsigned attribute into a SECItem. Secitem is allocated in + * the specified arena. + */ +CK_RV +lg_PrivAttr2SSecItem(PLArenaPool *arena, CK_ATTRIBUTE_TYPE type, + const CK_ATTRIBUTE *templ, CK_ULONG count, + SECItem *item, SDB *sdbpw) +{ + const CK_ATTRIBUTE *attribute; + SECItem epki, *dest = NULL; + SECStatus rv; + + item->data = NULL; + + attribute = lg_FindAttribute(type, templ, count); + if (attribute == NULL) + return CKR_TEMPLATE_INCOMPLETE; + + epki.data = attribute->pValue; + epki.len = attribute->ulValueLen; + + rv = lg_util_decrypt(sdbpw, &epki, &dest); + if (rv != SECSuccess) { + return CKR_USER_NOT_LOGGED_IN; + } + (void)SECITEM_AllocItem(arena, item, dest->len); + if (item->data == NULL) { + SECITEM_FreeItem(dest, PR_TRUE); + return CKR_HOST_MEMORY; + } + + PORT_Memcpy(item->data, dest->data, item->len); + SECITEM_FreeItem(dest, PR_TRUE); + return CKR_OK; +} + +CK_RV +lg_PrivAttr2SecItem(PLArenaPool *arena, CK_ATTRIBUTE_TYPE type, + const CK_ATTRIBUTE *templ, CK_ULONG count, + SECItem *item, SDB *sdbpw) +{ + return lg_PrivAttr2SSecItem(arena, type, templ, count, item, sdbpw); +} + +/* + * this is only valid for CK_BBOOL type attributes. Return the state + * of that attribute. + */ +PRBool +lg_isTrue(CK_ATTRIBUTE_TYPE type, const CK_ATTRIBUTE *templ, CK_ULONG count) +{ + const CK_ATTRIBUTE *attribute; + PRBool tok = PR_FALSE; + + attribute = lg_FindAttribute(type, templ, count); + if (attribute == NULL) { + return PR_FALSE; + } + tok = (PRBool)(*(CK_BBOOL *)attribute->pValue); + + return tok; +} + +/* + * return a null terminated string from attribute 'type'. This string + * is allocated and needs to be freed with PORT_Free() When complete. + */ +char * +lg_getString(CK_ATTRIBUTE_TYPE type, const CK_ATTRIBUTE *templ, CK_ULONG count) +{ + const CK_ATTRIBUTE *attribute; + char *label = NULL; + + attribute = lg_FindAttribute(type, templ, count); + if (attribute == NULL) + return NULL; + + if (attribute->pValue != NULL) { + label = (char *)PORT_Alloc(attribute->ulValueLen + 1); + if (label == NULL) { + return NULL; + } + + PORT_Memcpy(label, attribute->pValue, attribute->ulValueLen); + label[attribute->ulValueLen] = 0; + } + return label; +} + +CK_RV +lg_GetULongAttribute(CK_ATTRIBUTE_TYPE type, const CK_ATTRIBUTE *templ, + CK_ULONG count, CK_ULONG *longData) +{ + const CK_ATTRIBUTE *attribute; + CK_ULONG value = 0; + const unsigned char *data; + int i; + + attribute = lg_FindAttribute(type, templ, count); + if (attribute == NULL) + return CKR_TEMPLATE_INCOMPLETE; + + if (attribute->ulValueLen != 4) { + return CKR_ATTRIBUTE_VALUE_INVALID; + } + data = (const unsigned char *)attribute->pValue; + for (i = 0; i < 4; i++) { + value |= (CK_ULONG)(data[i]) << ((3 - i) * 8); + } + + *longData = value; + return CKR_OK; +} + +/* + * ******************** Object Utilities ******************************* + */ + +SECStatus +lg_deleteTokenKeyByHandle(SDB *sdb, CK_OBJECT_HANDLE handle) +{ + SECItem *item; + PRBool rem; + PLHashTable *hashTable = lg_GetHashTable(sdb); + + item = (SECItem *)PL_HashTableLookup(hashTable, (void *)handle); + rem = PL_HashTableRemove(hashTable, (void *)handle); + if (rem && item) { + SECITEM_FreeItem(item, PR_TRUE); + } + return rem ? SECSuccess : SECFailure; +} + +/* must be called holding lg_DBLock(sdb) */ +static SECStatus +lg_addTokenKeyByHandle(SDB *sdb, CK_OBJECT_HANDLE handle, SECItem *key) +{ + PLHashEntry *entry; + SECItem *item; + PLHashTable *hashTable = lg_GetHashTable(sdb); + + item = SECITEM_DupItem(key); + if (item == NULL) { + return SECFailure; + } + entry = PL_HashTableAdd(hashTable, (void *)handle, item); + if (entry == NULL) { + SECITEM_FreeItem(item, PR_TRUE); + return SECFailure; + } + return SECSuccess; +} + +/* must be called holding lg_DBLock(sdb) */ +const SECItem * +lg_lookupTokenKeyByHandle(SDB *sdb, CK_OBJECT_HANDLE handle) +{ + PLHashTable *hashTable = lg_GetHashTable(sdb); + return (const SECItem *)PL_HashTableLookup(hashTable, (void *)handle); +} + +static PRIntn +lg_freeHashItem(PLHashEntry *entry, PRIntn index, void *arg) +{ + SECItem *item = (SECItem *)entry->value; + + SECITEM_FreeItem(item, PR_TRUE); + return HT_ENUMERATE_NEXT; +} + +CK_RV +lg_ClearTokenKeyHashTable(SDB *sdb) +{ + PLHashTable *hashTable; + lg_DBLock(sdb); + hashTable = lg_GetHashTable(sdb); + PL_HashTableEnumerateEntries(hashTable, lg_freeHashItem, NULL); + lg_DBUnlock(sdb); + return CKR_OK; +} + +/* + * handle Token Object stuff + */ +static void +lg_XORHash(unsigned char *key, unsigned char *dbkey, int len) +{ + int i; + + PORT_Memset(key, 0, 4); + + for (i = 0; i < len - 4; i += 4) { + key[0] ^= dbkey[i]; + key[1] ^= dbkey[i + 1]; + key[2] ^= dbkey[i + 2]; + key[3] ^= dbkey[i + 3]; + } +} + +/* Make a token handle for an object and record it so we can find it again */ +CK_OBJECT_HANDLE +lg_mkHandle(SDB *sdb, SECItem *dbKey, CK_OBJECT_HANDLE class) +{ + unsigned char hashBuf[4]; + CK_OBJECT_HANDLE handle; + const SECItem *key; + + handle = class; + /* there is only one KRL, use a fixed handle for it */ + if (handle != LG_TOKEN_KRL_HANDLE) { + lg_XORHash(hashBuf, dbKey->data, dbKey->len); + handle = ((CK_OBJECT_HANDLE)hashBuf[0] << 24) | + ((CK_OBJECT_HANDLE)hashBuf[1] << 16) | + ((CK_OBJECT_HANDLE)hashBuf[2] << 8) | + (CK_OBJECT_HANDLE)hashBuf[3]; + handle = class | (handle & ~(LG_TOKEN_TYPE_MASK | LG_TOKEN_MASK)); + /* we have a CRL who's handle has randomly matched the reserved KRL + * handle, increment it */ + if (handle == LG_TOKEN_KRL_HANDLE) { + handle++; + } + } + + lg_DBLock(sdb); + while ((key = lg_lookupTokenKeyByHandle(sdb, handle)) != NULL) { + if (SECITEM_ItemsAreEqual(key, dbKey)) { + lg_DBUnlock(sdb); + return handle; + } + handle++; + } + lg_addTokenKeyByHandle(sdb, handle, dbKey); + lg_DBUnlock(sdb); + return handle; +} + +PRBool +lg_poisonHandle(SDB *sdb, SECItem *dbKey, CK_OBJECT_HANDLE class) +{ + unsigned char hashBuf[4]; + CK_OBJECT_HANDLE handle; + const SECItem *key; + + handle = class; + /* there is only one KRL, use a fixed handle for it */ + if (handle != LG_TOKEN_KRL_HANDLE) { + lg_XORHash(hashBuf, dbKey->data, dbKey->len); + handle = (hashBuf[0] << 24) | (hashBuf[1] << 16) | + (hashBuf[2] << 8) | hashBuf[3]; + handle = class | (handle & ~(LG_TOKEN_TYPE_MASK | LG_TOKEN_MASK)); + /* we have a CRL who's handle has randomly matched the reserved KRL + * handle, increment it */ + if (handle == LG_TOKEN_KRL_HANDLE) { + handle++; + } + } + lg_DBLock(sdb); + while ((key = lg_lookupTokenKeyByHandle(sdb, handle)) != NULL) { + if (SECITEM_ItemsAreEqual(key, dbKey)) { + key->data[0] ^= 0x80; + lg_DBUnlock(sdb); + return PR_TRUE; + } + handle++; + } + lg_DBUnlock(sdb); + return PR_FALSE; +} + +static LGEncryptFunc lg_encrypt_stub = NULL; +static LGDecryptFunc lg_decrypt_stub = NULL; + +void +legacy_SetCryptFunctions(LGEncryptFunc enc, LGDecryptFunc dec) +{ + lg_encrypt_stub = enc; + lg_decrypt_stub = dec; +} + +SECStatus +lg_util_encrypt(PLArenaPool *arena, SDB *sdb, + SECItem *plainText, SECItem **cipherText) +{ + if (lg_encrypt_stub == NULL) { + PORT_SetError(SEC_ERROR_LIBRARY_FAILURE); + return SECFailure; + } + return (*lg_encrypt_stub)(arena, sdb, plainText, cipherText); +} + +SECStatus +lg_util_decrypt(SDB *sdb, SECItem *cipherText, SECItem **plainText) +{ + if (lg_decrypt_stub == NULL) { + PORT_SetError(SEC_ERROR_LIBRARY_FAILURE); + return SECFailure; + } + return (*lg_decrypt_stub)(sdb, cipherText, plainText); +} diff --git a/security/nss/lib/softoken/legacydb/lowcert.c b/security/nss/lib/softoken/legacydb/lowcert.c new file mode 100644 index 000000000..2906120ee --- /dev/null +++ b/security/nss/lib/softoken/legacydb/lowcert.c @@ -0,0 +1,856 @@ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +/* + * Certificate handling code + */ + +#include "seccomon.h" +#include "secder.h" +#include "nssilock.h" +#include "lowkeyi.h" +#include "secasn1.h" +#include "secoid.h" +#include "secerr.h" +#include "pcert.h" + +SEC_ASN1_MKSUB(SECOID_AlgorithmIDTemplate) + +static const SEC_ASN1Template nsslowcert_SubjectPublicKeyInfoTemplate[] = { + { SEC_ASN1_SEQUENCE, 0, NULL, sizeof(NSSLOWCERTSubjectPublicKeyInfo) }, + { SEC_ASN1_INLINE | SEC_ASN1_XTRN, + offsetof(NSSLOWCERTSubjectPublicKeyInfo, algorithm), + SEC_ASN1_SUB(SECOID_AlgorithmIDTemplate) }, + { SEC_ASN1_BIT_STRING, + offsetof(NSSLOWCERTSubjectPublicKeyInfo, subjectPublicKey) }, + { 0 } +}; + +static const SEC_ASN1Template nsslowcert_RSAPublicKeyTemplate[] = { + { SEC_ASN1_SEQUENCE, 0, NULL, sizeof(NSSLOWKEYPublicKey) }, + { SEC_ASN1_INTEGER, offsetof(NSSLOWKEYPublicKey, u.rsa.modulus) }, + { SEC_ASN1_INTEGER, offsetof(NSSLOWKEYPublicKey, u.rsa.publicExponent) }, + { 0 } +}; +static const SEC_ASN1Template nsslowcert_DSAPublicKeyTemplate[] = { + { SEC_ASN1_INTEGER, offsetof(NSSLOWKEYPublicKey, u.dsa.publicValue) }, + { 0 } +}; +static const SEC_ASN1Template nsslowcert_DHPublicKeyTemplate[] = { + { SEC_ASN1_INTEGER, offsetof(NSSLOWKEYPublicKey, u.dh.publicValue) }, + { 0 } +}; + +/* + * See bugzilla bug 125359 + * Since NSS (via PKCS#11) wants to handle big integers as unsigned ints, + * all of the templates above that en/decode into integers must be converted + * from ASN.1's signed integer type. This is done by marking either the + * source or destination (encoding or decoding, respectively) type as + * siUnsignedInteger. + */ + +static void +prepare_low_rsa_pub_key_for_asn1(NSSLOWKEYPublicKey *pubk) +{ + pubk->u.rsa.modulus.type = siUnsignedInteger; + pubk->u.rsa.publicExponent.type = siUnsignedInteger; +} + +static void +prepare_low_dsa_pub_key_for_asn1(NSSLOWKEYPublicKey *pubk) +{ + pubk->u.dsa.publicValue.type = siUnsignedInteger; + pubk->u.dsa.params.prime.type = siUnsignedInteger; + pubk->u.dsa.params.subPrime.type = siUnsignedInteger; + pubk->u.dsa.params.base.type = siUnsignedInteger; +} + +static void +prepare_low_dh_pub_key_for_asn1(NSSLOWKEYPublicKey *pubk) +{ + pubk->u.dh.prime.type = siUnsignedInteger; + pubk->u.dh.base.type = siUnsignedInteger; + pubk->u.dh.publicValue.type = siUnsignedInteger; +} + +/* + * simple cert decoder to avoid the cost of asn1 engine + */ +static unsigned char * +nsslowcert_dataStart(unsigned char *buf, unsigned int length, + unsigned int *data_length, PRBool includeTag, + unsigned char *rettag) +{ + unsigned char tag; + unsigned int used_length = 0; + + /* need at least a tag and a 1 byte length */ + if (length < 2) { + return NULL; + } + + tag = buf[used_length++]; + + if (rettag) { + *rettag = tag; + } + + /* blow out when we come to the end */ + if (tag == 0) { + return NULL; + } + + *data_length = buf[used_length++]; + + if (*data_length & 0x80) { + int len_count = *data_length & 0x7f; + + if (len_count + used_length > length) { + return NULL; + } + + *data_length = 0; + + while (len_count-- > 0) { + *data_length = (*data_length << 8) | buf[used_length++]; + } + } + + if (*data_length > (length - used_length)) { + *data_length = length - used_length; + return NULL; + } + if (includeTag) + *data_length += used_length; + + return (buf + (includeTag ? 0 : used_length)); +} + +static void +SetTimeType(SECItem *item, unsigned char tagtype) +{ + switch (tagtype) { + case SEC_ASN1_UTC_TIME: + item->type = siUTCTime; + break; + + case SEC_ASN1_GENERALIZED_TIME: + item->type = siGeneralizedTime; + break; + + default: + PORT_Assert(0); + break; + } +} + +static int +nsslowcert_GetValidityFields(unsigned char *buf, int buf_length, + SECItem *notBefore, SECItem *notAfter) +{ + unsigned char tagtype; + notBefore->data = nsslowcert_dataStart(buf, buf_length, + ¬Before->len, PR_FALSE, &tagtype); + if (notBefore->data == NULL) + return SECFailure; + SetTimeType(notBefore, tagtype); + buf_length -= (notBefore->data - buf) + notBefore->len; + buf = notBefore->data + notBefore->len; + notAfter->data = nsslowcert_dataStart(buf, buf_length, + ¬After->len, PR_FALSE, &tagtype); + if (notAfter->data == NULL) + return SECFailure; + SetTimeType(notAfter, tagtype); + return SECSuccess; +} + +static int +nsslowcert_GetCertFields(unsigned char *cert, int cert_length, + SECItem *issuer, SECItem *serial, SECItem *derSN, SECItem *subject, + SECItem *valid, SECItem *subjkey, SECItem *extensions) +{ + unsigned char *buf; + unsigned int buf_length; + unsigned char *dummy; + unsigned int dummylen; + + /* get past the signature wrap */ + buf = nsslowcert_dataStart(cert, cert_length, &buf_length, PR_FALSE, NULL); + if (buf == NULL) + return SECFailure; + /* get into the raw cert data */ + buf = nsslowcert_dataStart(buf, buf_length, &buf_length, PR_FALSE, NULL); + if (buf == NULL) + return SECFailure; + /* skip past any optional version number */ + if ((buf[0] & 0xa0) == 0xa0) { + dummy = nsslowcert_dataStart(buf, buf_length, &dummylen, PR_FALSE, NULL); + if (dummy == NULL) + return SECFailure; + buf_length -= (dummy - buf) + dummylen; + buf = dummy + dummylen; + } + /* serial number */ + if (derSN) { + derSN->data = nsslowcert_dataStart(buf, buf_length, &derSN->len, PR_TRUE, NULL); + /* derSN->data doesn't need to be checked because if it fails so will + * serial->data below. The only difference between the two calls is + * whether or not the tags are included in the returned buffer */ + } + serial->data = nsslowcert_dataStart(buf, buf_length, &serial->len, PR_FALSE, NULL); + if (serial->data == NULL) + return SECFailure; + buf_length -= (serial->data - buf) + serial->len; + buf = serial->data + serial->len; + /* skip the OID */ + dummy = nsslowcert_dataStart(buf, buf_length, &dummylen, PR_FALSE, NULL); + if (dummy == NULL) + return SECFailure; + buf_length -= (dummy - buf) + dummylen; + buf = dummy + dummylen; + /* issuer */ + issuer->data = nsslowcert_dataStart(buf, buf_length, &issuer->len, PR_TRUE, NULL); + if (issuer->data == NULL) + return SECFailure; + buf_length -= (issuer->data - buf) + issuer->len; + buf = issuer->data + issuer->len; + + /* only wanted issuer/SN */ + if (valid == NULL) { + return SECSuccess; + } + /* validity */ + valid->data = nsslowcert_dataStart(buf, buf_length, &valid->len, PR_FALSE, NULL); + if (valid->data == NULL) + return SECFailure; + buf_length -= (valid->data - buf) + valid->len; + buf = valid->data + valid->len; + /*subject */ + subject->data = nsslowcert_dataStart(buf, buf_length, &subject->len, PR_TRUE, NULL); + if (subject->data == NULL) + return SECFailure; + buf_length -= (subject->data - buf) + subject->len; + buf = subject->data + subject->len; + /* subject key info */ + subjkey->data = nsslowcert_dataStart(buf, buf_length, &subjkey->len, PR_TRUE, NULL); + if (subjkey->data == NULL) + return SECFailure; + buf_length -= (subjkey->data - buf) + subjkey->len; + buf = subjkey->data + subjkey->len; + + extensions->data = NULL; + extensions->len = 0; + while (buf_length > 0) { + /* EXTENSIONS */ + if (buf[0] == 0xa3) { + extensions->data = nsslowcert_dataStart(buf, buf_length, + &extensions->len, PR_FALSE, NULL); + /* if the DER is bad, we should fail. Previously we accepted + * bad DER here and treated the extension as missin */ + if (extensions->data == NULL || + (extensions->data - buf) + extensions->len != buf_length) + return SECFailure; + buf = extensions->data; + buf_length = extensions->len; + /* now parse the SEQUENCE holding the extensions. */ + dummy = nsslowcert_dataStart(buf, buf_length, &dummylen, PR_FALSE, NULL); + if (dummy == NULL || + (dummy - buf) + dummylen != buf_length) + return SECFailure; + buf_length -= (dummy - buf); + buf = dummy; + /* Now parse the extensions inside this sequence */ + } + dummy = nsslowcert_dataStart(buf, buf_length, &dummylen, PR_FALSE, NULL); + if (dummy == NULL) + return SECFailure; + buf_length -= (dummy - buf) + dummylen; + buf = dummy + dummylen; + } + return SECSuccess; +} + +static SECStatus +nsslowcert_GetCertTimes(NSSLOWCERTCertificate *c, PRTime *notBefore, PRTime *notAfter) +{ + int rv; + NSSLOWCERTValidity validity; + + rv = nsslowcert_GetValidityFields(c->validity.data, c->validity.len, + &validity.notBefore, &validity.notAfter); + if (rv != SECSuccess) { + return rv; + } + + /* convert DER not-before time */ + rv = DER_DecodeTimeChoice(notBefore, &validity.notBefore); + if (rv) { + return (SECFailure); + } + + /* convert DER not-after time */ + rv = DER_DecodeTimeChoice(notAfter, &validity.notAfter); + if (rv) { + return (SECFailure); + } + + return (SECSuccess); +} + +/* + * is certa newer than certb? If one is expired, pick the other one. + */ +PRBool +nsslowcert_IsNewer(NSSLOWCERTCertificate *certa, NSSLOWCERTCertificate *certb) +{ + PRTime notBeforeA, notAfterA, notBeforeB, notAfterB, now; + SECStatus rv; + PRBool newerbefore, newerafter; + + rv = nsslowcert_GetCertTimes(certa, ¬BeforeA, ¬AfterA); + if (rv != SECSuccess) { + return (PR_FALSE); + } + + rv = nsslowcert_GetCertTimes(certb, ¬BeforeB, ¬AfterB); + if (rv != SECSuccess) { + return (PR_TRUE); + } + + newerbefore = PR_FALSE; + if (LL_CMP(notBeforeA, >, notBeforeB)) { + newerbefore = PR_TRUE; + } + + newerafter = PR_FALSE; + if (LL_CMP(notAfterA, >, notAfterB)) { + newerafter = PR_TRUE; + } + + if (newerbefore && newerafter) { + return (PR_TRUE); + } + + if ((!newerbefore) && (!newerafter)) { + return (PR_FALSE); + } + + /* get current time */ + now = PR_Now(); + + if (newerbefore) { + /* cert A was issued after cert B, but expires sooner */ + /* if A is expired, then pick B */ + if (LL_CMP(notAfterA, <, now)) { + return (PR_FALSE); + } + return (PR_TRUE); + } else { + /* cert B was issued after cert A, but expires sooner */ + /* if B is expired, then pick A */ + if (LL_CMP(notAfterB, <, now)) { + return (PR_TRUE); + } + return (PR_FALSE); + } +} + +#define SOFT_DEFAULT_CHUNKSIZE 2048 + +static SECStatus +nsslowcert_KeyFromIssuerAndSN(PLArenaPool *arena, + SECItem *issuer, SECItem *sn, SECItem *key) +{ + unsigned int len = sn->len + issuer->len; + + if (!arena) { + PORT_SetError(SEC_ERROR_INVALID_ARGS); + goto loser; + } + if (len > NSS_MAX_LEGACY_DB_KEY_SIZE) { + PORT_SetError(SEC_ERROR_INPUT_LEN); + goto loser; + } + key->data = (unsigned char *)PORT_ArenaAlloc(arena, len); + if (!key->data) { + goto loser; + } + + key->len = len; + /* copy the serialNumber */ + PORT_Memcpy(key->data, sn->data, sn->len); + + /* copy the issuer */ + PORT_Memcpy(&key->data[sn->len], issuer->data, issuer->len); + + return (SECSuccess); + +loser: + return (SECFailure); +} + +static SECStatus +nsslowcert_KeyFromIssuerAndSNStatic(unsigned char *space, + int spaceLen, SECItem *issuer, SECItem *sn, SECItem *key) +{ + unsigned int len = sn->len + issuer->len; + + key->data = pkcs11_allocStaticData(len, space, spaceLen); + if (!key->data) { + goto loser; + } + + key->len = len; + /* copy the serialNumber */ + PORT_Memcpy(key->data, sn->data, sn->len); + + /* copy the issuer */ + PORT_Memcpy(&key->data[sn->len], issuer->data, issuer->len); + + return (SECSuccess); + +loser: + return (SECFailure); +} + +static char * +nsslowcert_EmailName(SECItem *derDN, char *space, unsigned int len) +{ + unsigned char *buf; + unsigned int buf_length; + + /* unwrap outer sequence */ + buf = nsslowcert_dataStart(derDN->data, derDN->len, &buf_length, PR_FALSE, NULL); + if (buf == NULL) + return NULL; + + /* Walk each RDN */ + while (buf_length > 0) { + unsigned char *rdn; + unsigned int rdn_length; + + /* grab next rdn */ + rdn = nsslowcert_dataStart(buf, buf_length, &rdn_length, PR_FALSE, NULL); + if (rdn == NULL) { + return NULL; + } + buf_length -= (rdn - buf) + rdn_length; + buf = rdn + rdn_length; + + while (rdn_length > 0) { + unsigned char *ava; + unsigned int ava_length; + unsigned char *oid; + unsigned int oid_length; + unsigned char *name; + unsigned int name_length; + SECItem oidItem; + SECOidTag type; + + /* unwrap the ava */ + ava = nsslowcert_dataStart(rdn, rdn_length, &ava_length, PR_FALSE, + NULL); + if (ava == NULL) + return NULL; + rdn_length -= (ava - rdn) + ava_length; + rdn = ava + ava_length; + + oid = nsslowcert_dataStart(ava, ava_length, &oid_length, PR_FALSE, + NULL); + if (oid == NULL) { + return NULL; + } + ava_length -= (oid - ava) + oid_length; + ava = oid + oid_length; + + name = nsslowcert_dataStart(ava, ava_length, &name_length, PR_FALSE, + NULL); + if (name == NULL) { + return NULL; + } + ava_length -= (name - ava) + name_length; + ava = name + name_length; + + oidItem.data = oid; + oidItem.len = oid_length; + type = SECOID_FindOIDTag(&oidItem); + if ((type == SEC_OID_PKCS9_EMAIL_ADDRESS) || + (type == SEC_OID_RFC1274_MAIL)) { + /* Email is supposed to be IA5String, so no + * translation necessary */ + char *emailAddr; + emailAddr = (char *)pkcs11_copyStaticData(name, name_length + 1, + (unsigned char *)space, len); + if (emailAddr) { + emailAddr[name_length] = 0; + } + return emailAddr; + } + } + } + return NULL; +} + +static char * +nsslowcert_EmailAltName(NSSLOWCERTCertificate *cert, char *space, + unsigned int len) +{ + unsigned char *exts; + unsigned int exts_length; + + /* unwrap the sequence */ + exts = nsslowcert_dataStart(cert->extensions.data, cert->extensions.len, + &exts_length, PR_FALSE, NULL); + /* loop through extension */ + while (exts && exts_length > 0) { + unsigned char *ext; + unsigned int ext_length; + unsigned char *oid; + unsigned int oid_length; + unsigned char *nameList; + unsigned int nameList_length; + SECItem oidItem; + SECOidTag type; + + ext = nsslowcert_dataStart(exts, exts_length, &ext_length, + PR_FALSE, NULL); + if (ext == NULL) { + break; + } + exts_length -= (ext - exts) + ext_length; + exts = ext + ext_length; + + oid = nsslowcert_dataStart(ext, ext_length, &oid_length, PR_FALSE, NULL); + if (oid == NULL) { + break; + } + ext_length -= (oid - ext) + oid_length; + ext = oid + oid_length; + oidItem.data = oid; + oidItem.len = oid_length; + type = SECOID_FindOIDTag(&oidItem); + + /* get Alt Extension */ + if (type != SEC_OID_X509_SUBJECT_ALT_NAME) { + continue; + } + + /* skip passed the critical flag */ + if (ext[0] == 0x01) { /* BOOLEAN */ + unsigned char *dummy; + unsigned int dummy_length; + dummy = nsslowcert_dataStart(ext, ext_length, &dummy_length, + PR_FALSE, NULL); + if (dummy == NULL) { + break; + } + ext_length -= (dummy - ext) + dummy_length; + ext = dummy + dummy_length; + } + + /* unwrap the name list */ + nameList = nsslowcert_dataStart(ext, ext_length, &nameList_length, + PR_FALSE, NULL); + if (nameList == NULL) { + break; + } + ext_length -= (nameList - ext) + nameList_length; + ext = nameList + nameList_length; + nameList = nsslowcert_dataStart(nameList, nameList_length, + &nameList_length, PR_FALSE, NULL); + /* loop through the name list */ + while (nameList && nameList_length > 0) { + unsigned char *thisName; + unsigned int thisName_length; + + thisName = nsslowcert_dataStart(nameList, nameList_length, + &thisName_length, PR_FALSE, NULL); + if (thisName == NULL) { + break; + } + if (nameList[0] == 0xa2) { /* DNS Name */ + SECItem dn; + char *emailAddr; + + dn.data = thisName; + dn.len = thisName_length; + emailAddr = nsslowcert_EmailName(&dn, space, len); + if (emailAddr) { + return emailAddr; + } + } + if (nameList[0] == 0x81) { /* RFC 822name */ + char *emailAddr; + emailAddr = (char *)pkcs11_copyStaticData(thisName, + thisName_length + 1, (unsigned char *)space, len); + if (emailAddr) { + emailAddr[thisName_length] = 0; + } + return emailAddr; + } + nameList_length -= (thisName - nameList) + thisName_length; + nameList = thisName + thisName_length; + } + break; + } + return NULL; +} + +static char * +nsslowcert_GetCertificateEmailAddress(NSSLOWCERTCertificate *cert) +{ + char *emailAddr = NULL; + char *str; + + emailAddr = nsslowcert_EmailName(&cert->derSubject, cert->emailAddrSpace, + sizeof(cert->emailAddrSpace)); + /* couldn't find the email address in the DN, check the subject Alt name */ + if (!emailAddr && cert->extensions.data) { + emailAddr = nsslowcert_EmailAltName(cert, cert->emailAddrSpace, + sizeof(cert->emailAddrSpace)); + } + + /* make it lower case */ + str = emailAddr; + while (str && *str) { + *str = tolower(*str); + str++; + } + return emailAddr; +} + +/* + * take a DER certificate and decode it into a certificate structure + */ +NSSLOWCERTCertificate * +nsslowcert_DecodeDERCertificate(SECItem *derSignedCert, char *nickname) +{ + NSSLOWCERTCertificate *cert; + int rv; + + /* allocate the certificate structure */ + cert = nsslowcert_CreateCert(); + + if (!cert) { + goto loser; + } + + /* point to passed in DER data */ + cert->derCert = *derSignedCert; + cert->nickname = NULL; + cert->certKey.data = NULL; + cert->referenceCount = 1; + + /* decode the certificate info */ + rv = nsslowcert_GetCertFields(cert->derCert.data, cert->derCert.len, + &cert->derIssuer, &cert->serialNumber, &cert->derSN, &cert->derSubject, + &cert->validity, &cert->derSubjKeyInfo, &cert->extensions); + + if (rv != SECSuccess) { + goto loser; + } + + /* cert->subjectKeyID; x509v3 subject key identifier */ + cert->subjectKeyID.data = NULL; + cert->subjectKeyID.len = 0; + cert->dbEntry = NULL; + cert->trust = NULL; + cert->dbhandle = NULL; + + /* generate and save the database key for the cert */ + rv = nsslowcert_KeyFromIssuerAndSNStatic(cert->certKeySpace, + sizeof(cert->certKeySpace), &cert->derIssuer, + &cert->serialNumber, &cert->certKey); + if (rv) { + goto loser; + } + + /* set the nickname */ + if (nickname == NULL) { + cert->nickname = NULL; + } else { + /* copy and install the nickname */ + cert->nickname = pkcs11_copyNickname(nickname, cert->nicknameSpace, + sizeof(cert->nicknameSpace)); + } + +#ifdef FIXME + /* initialize the subjectKeyID */ + rv = cert_GetKeyID(cert); + if (rv != SECSuccess) { + goto loser; + } +#endif + + /* set the email address */ + cert->emailAddr = nsslowcert_GetCertificateEmailAddress(cert); + + cert->referenceCount = 1; + + return (cert); + +loser: + if (cert) { + nsslowcert_DestroyCertificate(cert); + } + + return (0); +} + +char * +nsslowcert_FixupEmailAddr(char *emailAddr) +{ + char *retaddr; + char *str; + + if (emailAddr == NULL) { + return (NULL); + } + + /* copy the string */ + str = retaddr = PORT_Strdup(emailAddr); + if (str == NULL) { + return (NULL); + } + + /* make it lower case */ + while (*str) { + *str = tolower(*str); + str++; + } + + return (retaddr); +} + +/* + * Generate a database key, based on serial number and issuer, from a + * DER certificate. + */ +SECStatus +nsslowcert_KeyFromDERCert(PLArenaPool *arena, SECItem *derCert, SECItem *key) +{ + int rv; + NSSLOWCERTCertKey certkey; + + PORT_Memset(&certkey, 0, sizeof(NSSLOWCERTCertKey)); + + rv = nsslowcert_GetCertFields(derCert->data, derCert->len, + &certkey.derIssuer, &certkey.serialNumber, NULL, NULL, + NULL, NULL, NULL); + + if (rv) { + goto loser; + } + + return (nsslowcert_KeyFromIssuerAndSN(arena, &certkey.derIssuer, + &certkey.serialNumber, key)); +loser: + return (SECFailure); +} + +NSSLOWKEYPublicKey * +nsslowcert_ExtractPublicKey(NSSLOWCERTCertificate *cert) +{ + NSSLOWCERTSubjectPublicKeyInfo spki; + NSSLOWKEYPublicKey *pubk; + SECItem os; + SECStatus rv; + PLArenaPool *arena; + SECOidTag tag; + SECItem newDerSubjKeyInfo; + + arena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE); + if (arena == NULL) + return NULL; + + pubk = (NSSLOWKEYPublicKey *) + PORT_ArenaZAlloc(arena, sizeof(NSSLOWKEYPublicKey)); + if (pubk == NULL) { + PORT_FreeArena(arena, PR_FALSE); + return NULL; + } + + pubk->arena = arena; + PORT_Memset(&spki, 0, sizeof(spki)); + + /* copy the DER into the arena, since Quick DER returns data that points + into the DER input, which may get freed by the caller */ + rv = SECITEM_CopyItem(arena, &newDerSubjKeyInfo, &cert->derSubjKeyInfo); + if (rv != SECSuccess) { + PORT_FreeArena(arena, PR_FALSE); + return NULL; + } + + /* we haven't bothered decoding the spki struct yet, do it now */ + rv = SEC_QuickDERDecodeItem(arena, &spki, + nsslowcert_SubjectPublicKeyInfoTemplate, &newDerSubjKeyInfo); + if (rv != SECSuccess) { + PORT_FreeArena(arena, PR_FALSE); + return NULL; + } + + /* Convert bit string length from bits to bytes */ + os = spki.subjectPublicKey; + DER_ConvertBitString(&os); + + tag = SECOID_GetAlgorithmTag(&spki.algorithm); + switch (tag) { + case SEC_OID_X500_RSA_ENCRYPTION: + case SEC_OID_PKCS1_RSA_ENCRYPTION: + case SEC_OID_PKCS1_RSA_PSS_SIGNATURE: + pubk->keyType = NSSLOWKEYRSAKey; + prepare_low_rsa_pub_key_for_asn1(pubk); + rv = SEC_QuickDERDecodeItem(arena, pubk, + nsslowcert_RSAPublicKeyTemplate, &os); + if (rv == SECSuccess) + return pubk; + break; + case SEC_OID_ANSIX9_DSA_SIGNATURE: + pubk->keyType = NSSLOWKEYDSAKey; + prepare_low_dsa_pub_key_for_asn1(pubk); + rv = SEC_QuickDERDecodeItem(arena, pubk, + nsslowcert_DSAPublicKeyTemplate, &os); + if (rv == SECSuccess) + return pubk; + break; + case SEC_OID_X942_DIFFIE_HELMAN_KEY: + pubk->keyType = NSSLOWKEYDHKey; + prepare_low_dh_pub_key_for_asn1(pubk); + rv = SEC_QuickDERDecodeItem(arena, pubk, + nsslowcert_DHPublicKeyTemplate, &os); + if (rv == SECSuccess) + return pubk; + break; +#ifndef NSS_DISABLE_ECC + case SEC_OID_ANSIX962_EC_PUBLIC_KEY: + pubk->keyType = NSSLOWKEYECKey; + /* Since PKCS#11 directly takes the DER encoding of EC params + * and public value, we don't need any decoding here. + */ + rv = SECITEM_CopyItem(arena, &pubk->u.ec.ecParams.DEREncoding, + &spki.algorithm.parameters); + if (rv != SECSuccess) + break; + + /* Fill out the rest of the ecParams structure + * based on the encoded params + */ + if (LGEC_FillParams(arena, &pubk->u.ec.ecParams.DEREncoding, + &pubk->u.ec.ecParams) != SECSuccess) + break; + + rv = SECITEM_CopyItem(arena, &pubk->u.ec.publicValue, &os); + if (rv == SECSuccess) + return pubk; + break; +#endif /* NSS_DISABLE_ECC */ + default: + rv = SECFailure; + break; + } + + lg_nsslowkey_DestroyPublicKey(pubk); + return NULL; +} diff --git a/security/nss/lib/softoken/legacydb/lowkey.c b/security/nss/lib/softoken/legacydb/lowkey.c new file mode 100644 index 000000000..7de4197a1 --- /dev/null +++ b/security/nss/lib/softoken/legacydb/lowkey.c @@ -0,0 +1,395 @@ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ +#include "lowkeyi.h" +#include "secoid.h" +#include "secitem.h" +#include "secder.h" +#include "secasn1.h" +#include "secerr.h" + +SEC_ASN1_MKSUB(SEC_AnyTemplate) +SEC_ASN1_MKSUB(SEC_BitStringTemplate) +SEC_ASN1_MKSUB(SEC_ObjectIDTemplate) +SEC_ASN1_MKSUB(SECOID_AlgorithmIDTemplate) + +static const SEC_ASN1Template nsslowkey_AttributeTemplate[] = { + { SEC_ASN1_SEQUENCE, + 0, NULL, sizeof(NSSLOWKEYAttribute) }, + { SEC_ASN1_OBJECT_ID, offsetof(NSSLOWKEYAttribute, attrType) }, + { SEC_ASN1_SET_OF | SEC_ASN1_XTRN, offsetof(NSSLOWKEYAttribute, attrValue), + SEC_ASN1_SUB(SEC_AnyTemplate) }, + { 0 } +}; + +static const SEC_ASN1Template nsslowkey_SetOfAttributeTemplate[] = { + { SEC_ASN1_SET_OF, 0, nsslowkey_AttributeTemplate }, +}; +/* ASN1 Templates for new decoder/encoder */ +const SEC_ASN1Template lg_nsslowkey_PrivateKeyInfoTemplate[] = { + { SEC_ASN1_SEQUENCE, + 0, NULL, sizeof(NSSLOWKEYPrivateKeyInfo) }, + { SEC_ASN1_INTEGER, + offsetof(NSSLOWKEYPrivateKeyInfo, version) }, + { SEC_ASN1_INLINE | SEC_ASN1_XTRN, + offsetof(NSSLOWKEYPrivateKeyInfo, algorithm), + SEC_ASN1_SUB(SECOID_AlgorithmIDTemplate) }, + { SEC_ASN1_OCTET_STRING, + offsetof(NSSLOWKEYPrivateKeyInfo, privateKey) }, + { SEC_ASN1_OPTIONAL | SEC_ASN1_CONSTRUCTED | SEC_ASN1_CONTEXT_SPECIFIC | 0, + offsetof(NSSLOWKEYPrivateKeyInfo, attributes), + nsslowkey_SetOfAttributeTemplate }, + { 0 } +}; + +const SEC_ASN1Template lg_nsslowkey_PQGParamsTemplate[] = { + { SEC_ASN1_SEQUENCE, 0, NULL, sizeof(PQGParams) }, + { SEC_ASN1_INTEGER, offsetof(PQGParams, prime) }, + { SEC_ASN1_INTEGER, offsetof(PQGParams, subPrime) }, + { SEC_ASN1_INTEGER, offsetof(PQGParams, base) }, + { 0 } +}; + +const SEC_ASN1Template lg_nsslowkey_RSAPrivateKeyTemplate[] = { + { SEC_ASN1_SEQUENCE, 0, NULL, sizeof(NSSLOWKEYPrivateKey) }, + { SEC_ASN1_INTEGER, offsetof(NSSLOWKEYPrivateKey, u.rsa.version) }, + { SEC_ASN1_INTEGER, offsetof(NSSLOWKEYPrivateKey, u.rsa.modulus) }, + { SEC_ASN1_INTEGER, offsetof(NSSLOWKEYPrivateKey, u.rsa.publicExponent) }, + { SEC_ASN1_INTEGER, offsetof(NSSLOWKEYPrivateKey, u.rsa.privateExponent) }, + { SEC_ASN1_INTEGER, offsetof(NSSLOWKEYPrivateKey, u.rsa.prime1) }, + { SEC_ASN1_INTEGER, offsetof(NSSLOWKEYPrivateKey, u.rsa.prime2) }, + { SEC_ASN1_INTEGER, offsetof(NSSLOWKEYPrivateKey, u.rsa.exponent1) }, + { SEC_ASN1_INTEGER, offsetof(NSSLOWKEYPrivateKey, u.rsa.exponent2) }, + { SEC_ASN1_INTEGER, offsetof(NSSLOWKEYPrivateKey, u.rsa.coefficient) }, + { 0 } +}; + +/* + * Allows u.rsa.modulus to be zero length for secret keys with an empty + * CKA_ID incorrectly generated in NSS 3.13.3 or earlier. Only used for + * decoding. See bug 715073. + */ +const SEC_ASN1Template lg_nsslowkey_RSAPrivateKeyTemplate2[] = { + { SEC_ASN1_SEQUENCE, 0, NULL, sizeof(NSSLOWKEYPrivateKey) }, + { SEC_ASN1_INTEGER, offsetof(NSSLOWKEYPrivateKey, u.rsa.version) }, + { SEC_ASN1_ANY, offsetof(NSSLOWKEYPrivateKey, u.rsa.modulus) }, + { SEC_ASN1_INTEGER, offsetof(NSSLOWKEYPrivateKey, u.rsa.publicExponent) }, + { SEC_ASN1_INTEGER, offsetof(NSSLOWKEYPrivateKey, u.rsa.privateExponent) }, + { SEC_ASN1_INTEGER, offsetof(NSSLOWKEYPrivateKey, u.rsa.prime1) }, + { SEC_ASN1_INTEGER, offsetof(NSSLOWKEYPrivateKey, u.rsa.prime2) }, + { SEC_ASN1_INTEGER, offsetof(NSSLOWKEYPrivateKey, u.rsa.exponent1) }, + { SEC_ASN1_INTEGER, offsetof(NSSLOWKEYPrivateKey, u.rsa.exponent2) }, + { SEC_ASN1_INTEGER, offsetof(NSSLOWKEYPrivateKey, u.rsa.coefficient) }, + { 0 } +}; + +const SEC_ASN1Template lg_nsslowkey_DSAPrivateKeyTemplate[] = { + { SEC_ASN1_SEQUENCE, 0, NULL, sizeof(NSSLOWKEYPrivateKey) }, + { SEC_ASN1_INTEGER, offsetof(NSSLOWKEYPrivateKey, u.dsa.publicValue) }, + { SEC_ASN1_INTEGER, offsetof(NSSLOWKEYPrivateKey, u.dsa.privateValue) }, + { 0 } +}; + +const SEC_ASN1Template lg_nsslowkey_DHPrivateKeyTemplate[] = { + { SEC_ASN1_SEQUENCE, 0, NULL, sizeof(NSSLOWKEYPrivateKey) }, + { SEC_ASN1_INTEGER, offsetof(NSSLOWKEYPrivateKey, u.dh.publicValue) }, + { SEC_ASN1_INTEGER, offsetof(NSSLOWKEYPrivateKey, u.dh.privateValue) }, + { SEC_ASN1_INTEGER, offsetof(NSSLOWKEYPrivateKey, u.dh.base) }, + { SEC_ASN1_INTEGER, offsetof(NSSLOWKEYPrivateKey, u.dh.prime) }, + { 0 } +}; + +#ifndef NSS_DISABLE_ECC + +/* NOTE: The SECG specification allows the private key structure + * to contain curve parameters but recommends that they be stored + * in the PrivateKeyAlgorithmIdentifier field of the PrivateKeyInfo + * instead. + */ +const SEC_ASN1Template lg_nsslowkey_ECPrivateKeyTemplate[] = { + { SEC_ASN1_SEQUENCE, 0, NULL, sizeof(NSSLOWKEYPrivateKey) }, + { SEC_ASN1_INTEGER, offsetof(NSSLOWKEYPrivateKey, u.ec.version) }, + { SEC_ASN1_OCTET_STRING, + offsetof(NSSLOWKEYPrivateKey, u.ec.privateValue) }, + /* We only support named curves for which the parameters are + * encoded as an object ID. + */ + { SEC_ASN1_OPTIONAL | SEC_ASN1_CONSTRUCTED | + SEC_ASN1_EXPLICIT | SEC_ASN1_CONTEXT_SPECIFIC | SEC_ASN1_XTRN | 0, + offsetof(NSSLOWKEYPrivateKey, u.ec.ecParams.curveOID), + SEC_ASN1_SUB(SEC_ObjectIDTemplate) }, + { SEC_ASN1_OPTIONAL | SEC_ASN1_CONSTRUCTED | + SEC_ASN1_EXPLICIT | SEC_ASN1_CONTEXT_SPECIFIC | + SEC_ASN1_XTRN | 1, + offsetof(NSSLOWKEYPrivateKey, u.ec.publicValue), + SEC_ASN1_SUB(SEC_BitStringTemplate) }, + { 0 } +}; + +/* + * smaller version of EC_FillParams. In this code, we only need + * oid and DER data. + */ +SECStatus +LGEC_FillParams(PLArenaPool *arena, const SECItem *encodedParams, + ECParams *params) +{ + SECOidTag tag; + SECItem oid = { siBuffer, NULL, 0 }; + +#if EC_DEBUG + int i; + + printf("Encoded params in EC_DecodeParams: "); + for (i = 0; i < encodedParams->len; i++) { + printf("%02x:", encodedParams->data[i]); + } + printf("\n"); +#endif + + oid.len = encodedParams->len - 2; + oid.data = encodedParams->data + 2; + if ((encodedParams->data[0] != SEC_ASN1_OBJECT_ID) || + ((tag = SECOID_FindOIDTag(&oid)) == SEC_OID_UNKNOWN)) { + PORT_SetError(SEC_ERROR_UNSUPPORTED_ELLIPTIC_CURVE); + return SECFailure; + } + + params->arena = arena; + + /* For named curves, fill out curveOID */ + params->curveOID.len = oid.len; + params->curveOID.data = (unsigned char *)PORT_ArenaAlloc(arena, oid.len); + if (params->curveOID.data == NULL) { + return SECFailure; + } + memcpy(params->curveOID.data, oid.data, oid.len); + + return SECSuccess; +} + +/* Copy all of the fields from srcParams into dstParams + */ +SECStatus +LGEC_CopyParams(PLArenaPool *arena, ECParams *dstParams, + const ECParams *srcParams) +{ + SECStatus rv = SECFailure; + + dstParams->arena = arena; + rv = SECITEM_CopyItem(arena, &dstParams->DEREncoding, + &srcParams->DEREncoding); + if (rv != SECSuccess) { + goto loser; + } + rv = SECITEM_CopyItem(arena, &dstParams->curveOID, + &srcParams->curveOID); + if (rv != SECSuccess) { + goto loser; + } + + return SECSuccess; + +loser: + return SECFailure; +} +#endif /* NSS_DISABLE_ECC */ +/* + * See bugzilla bug 125359 + * Since NSS (via PKCS#11) wants to handle big integers as unsigned ints, + * all of the templates above that en/decode into integers must be converted + * from ASN.1's signed integer type. This is done by marking either the + * source or destination (encoding or decoding, respectively) type as + * siUnsignedInteger. + */ + +void +lg_prepare_low_rsa_priv_key_for_asn1(NSSLOWKEYPrivateKey *key) +{ + key->u.rsa.modulus.type = siUnsignedInteger; + key->u.rsa.publicExponent.type = siUnsignedInteger; + key->u.rsa.privateExponent.type = siUnsignedInteger; + key->u.rsa.prime1.type = siUnsignedInteger; + key->u.rsa.prime2.type = siUnsignedInteger; + key->u.rsa.exponent1.type = siUnsignedInteger; + key->u.rsa.exponent2.type = siUnsignedInteger; + key->u.rsa.coefficient.type = siUnsignedInteger; +} + +void +lg_prepare_low_pqg_params_for_asn1(PQGParams *params) +{ + params->prime.type = siUnsignedInteger; + params->subPrime.type = siUnsignedInteger; + params->base.type = siUnsignedInteger; +} + +void +lg_prepare_low_dsa_priv_key_for_asn1(NSSLOWKEYPrivateKey *key) +{ + key->u.dsa.publicValue.type = siUnsignedInteger; + key->u.dsa.privateValue.type = siUnsignedInteger; + key->u.dsa.params.prime.type = siUnsignedInteger; + key->u.dsa.params.subPrime.type = siUnsignedInteger; + key->u.dsa.params.base.type = siUnsignedInteger; +} + +void +lg_prepare_low_dh_priv_key_for_asn1(NSSLOWKEYPrivateKey *key) +{ + key->u.dh.prime.type = siUnsignedInteger; + key->u.dh.base.type = siUnsignedInteger; + key->u.dh.publicValue.type = siUnsignedInteger; + key->u.dh.privateValue.type = siUnsignedInteger; +} + +#ifndef NSS_DISABLE_ECC +void +lg_prepare_low_ecparams_for_asn1(ECParams *params) +{ + params->DEREncoding.type = siUnsignedInteger; + params->curveOID.type = siUnsignedInteger; +} + +void +lg_prepare_low_ec_priv_key_for_asn1(NSSLOWKEYPrivateKey *key) +{ + key->u.ec.version.type = siUnsignedInteger; + key->u.ec.ecParams.DEREncoding.type = siUnsignedInteger; + key->u.ec.ecParams.curveOID.type = siUnsignedInteger; + key->u.ec.privateValue.type = siUnsignedInteger; + key->u.ec.publicValue.type = siUnsignedInteger; +} +#endif /* NSS_DISABLE_ECC */ + +void +lg_nsslowkey_DestroyPrivateKey(NSSLOWKEYPrivateKey *privk) +{ + if (privk && privk->arena) { + PORT_FreeArena(privk->arena, PR_TRUE); + } +} + +void +lg_nsslowkey_DestroyPublicKey(NSSLOWKEYPublicKey *pubk) +{ + if (pubk && pubk->arena) { + PORT_FreeArena(pubk->arena, PR_FALSE); + } +} + +NSSLOWKEYPublicKey * +lg_nsslowkey_ConvertToPublicKey(NSSLOWKEYPrivateKey *privk) +{ + NSSLOWKEYPublicKey *pubk; + PLArenaPool *arena; + + arena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE); + if (arena == NULL) { + PORT_SetError(SEC_ERROR_NO_MEMORY); + return NULL; + } + + switch (privk->keyType) { + case NSSLOWKEYRSAKey: + case NSSLOWKEYNullKey: + pubk = (NSSLOWKEYPublicKey *)PORT_ArenaZAlloc(arena, + sizeof(NSSLOWKEYPublicKey)); + if (pubk != NULL) { + SECStatus rv; + + pubk->arena = arena; + pubk->keyType = privk->keyType; + if (privk->keyType == NSSLOWKEYNullKey) + return pubk; + rv = SECITEM_CopyItem(arena, &pubk->u.rsa.modulus, + &privk->u.rsa.modulus); + if (rv == SECSuccess) { + rv = SECITEM_CopyItem(arena, &pubk->u.rsa.publicExponent, + &privk->u.rsa.publicExponent); + if (rv == SECSuccess) + return pubk; + } + } else { + PORT_SetError(SEC_ERROR_NO_MEMORY); + } + break; + case NSSLOWKEYDSAKey: + pubk = (NSSLOWKEYPublicKey *)PORT_ArenaZAlloc(arena, + sizeof(NSSLOWKEYPublicKey)); + if (pubk != NULL) { + SECStatus rv; + + pubk->arena = arena; + pubk->keyType = privk->keyType; + rv = SECITEM_CopyItem(arena, &pubk->u.dsa.publicValue, + &privk->u.dsa.publicValue); + if (rv != SECSuccess) + break; + rv = SECITEM_CopyItem(arena, &pubk->u.dsa.params.prime, + &privk->u.dsa.params.prime); + if (rv != SECSuccess) + break; + rv = SECITEM_CopyItem(arena, &pubk->u.dsa.params.subPrime, + &privk->u.dsa.params.subPrime); + if (rv != SECSuccess) + break; + rv = SECITEM_CopyItem(arena, &pubk->u.dsa.params.base, + &privk->u.dsa.params.base); + if (rv == SECSuccess) + return pubk; + } + break; + case NSSLOWKEYDHKey: + pubk = (NSSLOWKEYPublicKey *)PORT_ArenaZAlloc(arena, + sizeof(NSSLOWKEYPublicKey)); + if (pubk != NULL) { + SECStatus rv; + + pubk->arena = arena; + pubk->keyType = privk->keyType; + rv = SECITEM_CopyItem(arena, &pubk->u.dh.publicValue, + &privk->u.dh.publicValue); + if (rv != SECSuccess) + break; + rv = SECITEM_CopyItem(arena, &pubk->u.dh.prime, + &privk->u.dh.prime); + if (rv != SECSuccess) + break; + rv = SECITEM_CopyItem(arena, &pubk->u.dh.base, + &privk->u.dh.base); + if (rv == SECSuccess) + return pubk; + } + break; +#ifndef NSS_DISABLE_ECC + case NSSLOWKEYECKey: + pubk = (NSSLOWKEYPublicKey *)PORT_ArenaZAlloc(arena, + sizeof(NSSLOWKEYPublicKey)); + if (pubk != NULL) { + SECStatus rv; + + pubk->arena = arena; + pubk->keyType = privk->keyType; + rv = SECITEM_CopyItem(arena, &pubk->u.ec.publicValue, + &privk->u.ec.publicValue); + if (rv != SECSuccess) + break; + pubk->u.ec.ecParams.arena = arena; + /* Copy the rest of the params */ + rv = LGEC_CopyParams(arena, &(pubk->u.ec.ecParams), + &(privk->u.ec.ecParams)); + if (rv == SECSuccess) + return pubk; + } + break; +#endif /* NSS_DISABLE_ECC */ + /* No Fortezza in Low Key implementations (Fortezza keys aren't + * stored in our data base */ + default: + break; + } + + PORT_FreeArena(arena, PR_FALSE); + return NULL; +} diff --git a/security/nss/lib/softoken/legacydb/lowkeyi.h b/security/nss/lib/softoken/legacydb/lowkeyi.h new file mode 100644 index 000000000..5136b56a5 --- /dev/null +++ b/security/nss/lib/softoken/legacydb/lowkeyi.h @@ -0,0 +1,151 @@ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#ifndef _LOWKEYI_H_ +#define _LOWKEYI_H_ + +#include "prtypes.h" +#include "seccomon.h" +#include "secoidt.h" +#include "pcertt.h" +#include "lowkeyti.h" +#include "sdb.h" + +SEC_BEGIN_PROTOS + +/* + * See bugzilla bug 125359 + * Since NSS (via PKCS#11) wants to handle big integers as unsigned ints, + * all of the templates above that en/decode into integers must be converted + * from ASN.1's signed integer type. This is done by marking either the + * source or destination (encoding or decoding, respectively) type as + * siUnsignedInteger. + */ +extern void lg_prepare_low_rsa_priv_key_for_asn1(NSSLOWKEYPrivateKey *key); +extern void lg_prepare_low_pqg_params_for_asn1(PQGParams *params); +extern void lg_prepare_low_dsa_priv_key_for_asn1(NSSLOWKEYPrivateKey *key); +extern void lg_prepare_low_dh_priv_key_for_asn1(NSSLOWKEYPrivateKey *key); +#ifndef NSS_DISABLE_ECC +extern void lg_prepare_low_ec_priv_key_for_asn1(NSSLOWKEYPrivateKey *key); +extern void lg_prepare_low_ecparams_for_asn1(ECParams *params); +#endif /* NSS_DISABLE_ECC */ + +typedef char *(*NSSLOWKEYDBNameFunc)(void *arg, int dbVersion); + +/* +** Open a key database. +*/ +extern NSSLOWKEYDBHandle *nsslowkey_OpenKeyDB(PRBool readOnly, + const char *domain, + const char *prefix, + NSSLOWKEYDBNameFunc namecb, + void *cbarg); + +/* +** Close the specified key database. +*/ +extern void nsslowkey_CloseKeyDB(NSSLOWKEYDBHandle *handle); + +/* + * Get the version number of the database + */ +extern int nsslowkey_GetKeyDBVersion(NSSLOWKEYDBHandle *handle); + +/* +** Delete a key from the database +*/ +extern SECStatus nsslowkey_DeleteKey(NSSLOWKEYDBHandle *handle, + const SECItem *pubkey); + +/* +** Store a key in the database, indexed by its public key modulus. +** "pk" is the private key to store +** "f" is the callback function for getting the password +** "arg" is the argument for the callback +*/ +extern SECStatus nsslowkey_StoreKeyByPublicKey(NSSLOWKEYDBHandle *handle, + NSSLOWKEYPrivateKey *pk, + SECItem *pubKeyData, + char *nickname, + SDB *sdb); + +/* does the key for this cert exist in the database filed by modulus */ +extern PRBool nsslowkey_KeyForCertExists(NSSLOWKEYDBHandle *handle, + NSSLOWCERTCertificate *cert); +/* does a key with this ID already exist? */ +extern PRBool nsslowkey_KeyForIDExists(NSSLOWKEYDBHandle *handle, SECItem *id); + +/* +** Destroy a private key object. +** "key" the object +** "freeit" if PR_TRUE then free the object as well as its sub-objects +*/ +extern void lg_nsslowkey_DestroyPrivateKey(NSSLOWKEYPrivateKey *key); + +/* +** Destroy a public key object. +** "key" the object +** "freeit" if PR_TRUE then free the object as well as its sub-objects +*/ +extern void lg_nsslowkey_DestroyPublicKey(NSSLOWKEYPublicKey *key); + +/* +** Convert a low private key "privateKey" into a public low key +*/ +extern NSSLOWKEYPublicKey + * + lg_nsslowkey_ConvertToPublicKey(NSSLOWKEYPrivateKey *privateKey); + +SECStatus +nsslowkey_UpdateNickname(NSSLOWKEYDBHandle *handle, + NSSLOWKEYPrivateKey *privkey, + SECItem *pubKeyData, + char *nickname, + SDB *sdb); + +/* Store key by modulus and specify an encryption algorithm to use. + * handle is the pointer to the key database, + * privkey is the private key to be stored, + * f and arg are the function and arguments to the callback + * to get a password, + * algorithm is the algorithm which the privKey is to be stored. + * A return of anything but SECSuccess indicates failure. + */ +extern SECStatus +nsslowkey_StoreKeyByPublicKeyAlg(NSSLOWKEYDBHandle *handle, + NSSLOWKEYPrivateKey *privkey, + SECItem *pubKeyData, + char *nickname, + SDB *sdb, + PRBool update); + +/* Find key by modulus. This function is the inverse of store key + * by modulus. An attempt to locate the key with "modulus" is + * performed. If the key is found, the private key is returned, + * else NULL is returned. + * modulus is the modulus to locate + */ +extern NSSLOWKEYPrivateKey * +nsslowkey_FindKeyByPublicKey(NSSLOWKEYDBHandle *handle, SECItem *modulus, + SDB *sdb); + +extern char * +nsslowkey_FindKeyNicknameByPublicKey(NSSLOWKEYDBHandle *handle, + SECItem *modulus, SDB *sdb); + +#ifndef NSS_DISABLE_ECC +/* + * smaller version of EC_FillParams. In this code, we only need + * oid and DER data. + */ +SECStatus LGEC_FillParams(PLArenaPool *arena, const SECItem *encodedParams, + ECParams *params); + +/* Copy all of the fields from srcParams into dstParams */ +SECStatus LGEC_CopyParams(PLArenaPool *arena, ECParams *dstParams, + const ECParams *srcParams); +#endif +SEC_END_PROTOS + +#endif /* _LOWKEYI_H_ */ diff --git a/security/nss/lib/softoken/legacydb/lowkeyti.h b/security/nss/lib/softoken/legacydb/lowkeyti.h new file mode 100644 index 000000000..ef92689e0 --- /dev/null +++ b/security/nss/lib/softoken/legacydb/lowkeyti.h @@ -0,0 +1,132 @@ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ +#ifndef _LOWKEYTI_H_ +#define _LOWKEYTI_H_ 1 + +#include "blapit.h" +#include "prtypes.h" +#include "plarena.h" +#include "secitem.h" +#include "secasn1t.h" +#include "secoidt.h" + +/* + * a key in/for the data base + */ +struct NSSLOWKEYDBKeyStr { + PLArenaPool *arena; + int version; + char *nickname; + SECItem salt; + SECItem derPK; +}; +typedef struct NSSLOWKEYDBKeyStr NSSLOWKEYDBKey; + +typedef struct NSSLOWKEYDBHandleStr NSSLOWKEYDBHandle; + +#ifdef NSS_USE_KEY4_DB +#define NSSLOWKEY_DB_FILE_VERSION 4 +#else +#define NSSLOWKEY_DB_FILE_VERSION 3 +#endif + +#define NSSLOWKEY_VERSION 0 /* what we *create* */ + +/* +** Typedef for callback to get a password "key". +*/ +extern const SEC_ASN1Template lg_nsslowkey_PQGParamsTemplate[]; +extern const SEC_ASN1Template lg_nsslowkey_RSAPrivateKeyTemplate[]; +extern const SEC_ASN1Template lg_nsslowkey_RSAPrivateKeyTemplate2[]; +extern const SEC_ASN1Template lg_nsslowkey_DSAPrivateKeyTemplate[]; +extern const SEC_ASN1Template lg_nsslowkey_DHPrivateKeyTemplate[]; +extern const SEC_ASN1Template lg_nsslowkey_DHPrivateKeyExportTemplate[]; +#ifndef NSS_DISABLE_ECC +#define NSSLOWKEY_EC_PRIVATE_KEY_VERSION 1 /* as per SECG 1 C.4 */ +extern const SEC_ASN1Template lg_nsslowkey_ECPrivateKeyTemplate[]; +#endif /* NSS_DISABLE_ECC */ + +extern const SEC_ASN1Template lg_nsslowkey_PrivateKeyInfoTemplate[]; +extern const SEC_ASN1Template nsslowkey_EncryptedPrivateKeyInfoTemplate[]; + +/* + * PKCS #8 attributes + */ +struct NSSLOWKEYAttributeStr { + SECItem attrType; + SECItem *attrValue; +}; +typedef struct NSSLOWKEYAttributeStr NSSLOWKEYAttribute; + +/* +** A PKCS#8 private key info object +*/ +struct NSSLOWKEYPrivateKeyInfoStr { + PLArenaPool *arena; + SECItem version; + SECAlgorithmID algorithm; + SECItem privateKey; + NSSLOWKEYAttribute **attributes; +}; +typedef struct NSSLOWKEYPrivateKeyInfoStr NSSLOWKEYPrivateKeyInfo; +#define NSSLOWKEY_PRIVATE_KEY_INFO_VERSION 0 /* what we *create* */ + +/* +** A PKCS#8 private key info object +*/ +struct NSSLOWKEYEncryptedPrivateKeyInfoStr { + PLArenaPool *arena; + SECAlgorithmID algorithm; + SECItem encryptedData; +}; +typedef struct NSSLOWKEYEncryptedPrivateKeyInfoStr NSSLOWKEYEncryptedPrivateKeyInfo; + +typedef enum { + NSSLOWKEYNullKey = 0, + NSSLOWKEYRSAKey = 1, + NSSLOWKEYDSAKey = 2, + NSSLOWKEYDHKey = 4, + NSSLOWKEYECKey = 5 +} NSSLOWKEYType; + +/* +** An RSA public key object. +*/ +struct NSSLOWKEYPublicKeyStr { + PLArenaPool *arena; + NSSLOWKEYType keyType; + union { + RSAPublicKey rsa; + DSAPublicKey dsa; + DHPublicKey dh; + ECPublicKey ec; + } u; +}; +typedef struct NSSLOWKEYPublicKeyStr NSSLOWKEYPublicKey; + +/* +** Low Level private key object +** This is only used by the raw Crypto engines (crypto), keydb (keydb), +** and PKCS #11. Everyone else uses the high level key structure. +*/ +struct NSSLOWKEYPrivateKeyStr { + PLArenaPool *arena; + NSSLOWKEYType keyType; + union { + RSAPrivateKey rsa; + DSAPrivateKey dsa; + DHPrivateKey dh; + ECPrivateKey ec; + } u; +}; +typedef struct NSSLOWKEYPrivateKeyStr NSSLOWKEYPrivateKey; + +typedef struct NSSLOWKEYPasswordEntryStr NSSLOWKEYPasswordEntry; +struct NSSLOWKEYPasswordEntryStr { + SECItem salt; + SECItem value; + unsigned char data[128]; +}; + +#endif /* _LOWKEYTI_H_ */ diff --git a/security/nss/lib/softoken/legacydb/manifest.mn b/security/nss/lib/softoken/legacydb/manifest.mn new file mode 100644 index 000000000..9cce849f6 --- /dev/null +++ b/security/nss/lib/softoken/legacydb/manifest.mn @@ -0,0 +1,32 @@ +# +# This Source Code Form is subject to the terms of the Mozilla Public +# License, v. 2.0. If a copy of the MPL was not distributed with this +# file, You can obtain one at http://mozilla.org/MPL/2.0/. +CORE_DEPTH = ../../.. + +MODULE = nss + +REQUIRES = dbm + +LIBRARY_NAME = nssdbm +LIBRARY_VERSION = 3 +MAPFILE = $(OBJDIR)/nssdbm.def + +DEFINES += -DSHLIB_SUFFIX=\"$(DLL_SUFFIX)\" -DSHLIB_PREFIX=\"$(DLL_PREFIX)\" -DLG_LIB_NAME=\"$(notdir $(SHARED_LIBRARY))\" + +CSRCS = \ + dbmshim.c \ + keydb.c \ + lgattr.c \ + lgcreate.c \ + lgdestroy.c \ + lgfind.c \ + lgfips.c \ + lginit.c \ + lgutil.c \ + lowcert.c \ + lowkey.c \ + pcertdb.c \ + pk11db.c \ + $(NULL) + diff --git a/security/nss/lib/softoken/legacydb/nssdbm.def b/security/nss/lib/softoken/legacydb/nssdbm.def new file mode 100644 index 000000000..dd6d5fa47 --- /dev/null +++ b/security/nss/lib/softoken/legacydb/nssdbm.def @@ -0,0 +1,31 @@ +;+# +;+# This Source Code Form is subject to the terms of the Mozilla Public +;+# License, v. 2.0. If a copy of the MPL was not distributed with this +;+# file, You can obtain one at http://mozilla.org/MPL/2.0/. +;+# +;+# OK, this file is meant to support SUN, LINUX, AIX and WINDOWS +;+# 1. For all unix platforms, the string ";-" means "remove this line" +;+# 2. For all unix platforms, the string " DATA " will be removed from any +;+# line on which it occurs. +;+# 3. Lines containing ";+" will have ";+" removed on SUN and LINUX. +;+# On AIX, lines containing ";+" will be removed. +;+# 4. For all unix platforms, the string ";;" will thave the ";;" removed. +;+# 5. For all unix platforms, after the above processing has taken place, +;+# all characters after the first ";" on the line will be removed. +;+# And for AIX, the first ";" will also be removed. +;+# This file is passed directly to windows. Since ';' is a comment, all UNIX +;+# directives are hidden behind ";", ";+", and ";-" +;+NSSDBM_3.12 { # NSS 3.12 release +;+ global: +LIBRARY nssdbm3 ;- +EXPORTS ;- +legacy_Open; +legacy_Shutdown; +legacy_ReadSecmodDB; +legacy_ReleaseSecmodDBData; +legacy_AddSecmodDB; +legacy_DeleteSecmodDB; +legacy_SetCryptFunctions; +;+ local: +;+ *; +;+}; diff --git a/security/nss/lib/softoken/legacydb/nssdbm.rc b/security/nss/lib/softoken/legacydb/nssdbm.rc new file mode 100644 index 000000000..cff86168e --- /dev/null +++ b/security/nss/lib/softoken/legacydb/nssdbm.rc @@ -0,0 +1,68 @@ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#include "../softkver.h" +#include <winver.h> + +#define MY_LIBNAME "nssdbm" +#define MY_FILEDESCRIPTION "Legacy Database Driver" + +#define STRINGIZE(x) #x +#define STRINGIZE2(x) STRINGIZE(x) +#define SOFTOKEN_VMAJOR_STR STRINGIZE2(SOFTOKEN_VMAJOR) + +#ifdef _DEBUG +#define MY_DEBUG_STR " (debug)" +#define MY_FILEFLAGS_1 VS_FF_DEBUG +#else +#define MY_DEBUG_STR "" +#define MY_FILEFLAGS_1 0x0L +#endif +#if SOFTOKEN_BETA +#define MY_FILEFLAGS_2 MY_FILEFLAGS_1|VS_FF_PRERELEASE +#else +#define MY_FILEFLAGS_2 MY_FILEFLAGS_1 +#endif + +#ifdef WINNT +#define MY_FILEOS VOS_NT_WINDOWS32 +#else +#define MY_FILEOS VOS__WINDOWS32 +#endif + +#define MY_INTERNAL_NAME MY_LIBNAME SOFTOKEN_VMAJOR_STR + +///////////////////////////////////////////////////////////////////////////// +// +// Version-information resource +// + +VS_VERSION_INFO VERSIONINFO + FILEVERSION SOFTOKEN_VMAJOR,SOFTOKEN_VMINOR,SOFTOKEN_VPATCH,SOFTOKEN_VBUILD + PRODUCTVERSION SOFTOKEN_VMAJOR,SOFTOKEN_VMINOR,SOFTOKEN_VPATCH,SOFTOKEN_VBUILD + FILEFLAGSMASK VS_FFI_FILEFLAGSMASK + FILEFLAGS MY_FILEFLAGS_2 + FILEOS MY_FILEOS + FILETYPE VFT_DLL + FILESUBTYPE 0x0L // not used + +BEGIN + BLOCK "StringFileInfo" + BEGIN + BLOCK "040904B0" // Lang=US English, CharSet=Unicode + BEGIN + VALUE "CompanyName", "Mozilla Foundation\0" + VALUE "FileDescription", MY_FILEDESCRIPTION MY_DEBUG_STR "\0" + VALUE "FileVersion", SOFTOKEN_VERSION "\0" + VALUE "InternalName", MY_INTERNAL_NAME "\0" + VALUE "OriginalFilename", MY_INTERNAL_NAME ".dll\0" + VALUE "ProductName", "Network Security Services\0" + VALUE "ProductVersion", SOFTOKEN_VERSION "\0" + END + END + BLOCK "VarFileInfo" + BEGIN + VALUE "Translation", 0x409, 1200 + END +END diff --git a/security/nss/lib/softoken/legacydb/pcert.h b/security/nss/lib/softoken/legacydb/pcert.h new file mode 100644 index 000000000..d4be3f93d --- /dev/null +++ b/security/nss/lib/softoken/legacydb/pcert.h @@ -0,0 +1,228 @@ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#ifndef _PCERTDB_H_ +#define _PCERTDB_H_ + +#include "plarena.h" +#include "prlong.h" +#include "pcertt.h" + +#include "lowkeyti.h" /* for struct NSSLOWKEYPublicKeyStr */ + +SEC_BEGIN_PROTOS + +/* + * initialize any global certificate locks + */ +SECStatus nsslowcert_InitLocks(void); + +/* +** Add a DER encoded certificate to the permanent database. +** "derCert" is the DER encoded certificate. +** "nickname" is the nickname to use for the cert +** "trust" is the trust parameters for the cert +*/ +SECStatus nsslowcert_AddPermCert(NSSLOWCERTCertDBHandle *handle, + NSSLOWCERTCertificate *cert, + char *nickname, NSSLOWCERTCertTrust *trust); +SECStatus nsslowcert_AddPermNickname(NSSLOWCERTCertDBHandle *dbhandle, + NSSLOWCERTCertificate *cert, char *nickname); + +SECStatus nsslowcert_DeletePermCertificate(NSSLOWCERTCertificate *cert); + +typedef SECStatus(PR_CALLBACK *PermCertCallback)(NSSLOWCERTCertificate *cert, + SECItem *k, void *pdata); +/* +** Traverse the entire permanent database, and pass the certs off to a +** user supplied function. +** "certfunc" is the user function to call for each certificate +** "udata" is the user's data, which is passed through to "certfunc" +*/ +SECStatus +nsslowcert_TraversePermCerts(NSSLOWCERTCertDBHandle *handle, + PermCertCallback certfunc, + void *udata); + +PRBool +nsslowcert_CertDBKeyConflict(SECItem *derCert, NSSLOWCERTCertDBHandle *handle); + +certDBEntryRevocation * +nsslowcert_FindCrlByKey(NSSLOWCERTCertDBHandle *handle, + SECItem *crlKey, PRBool isKRL); + +SECStatus +nsslowcert_DeletePermCRL(NSSLOWCERTCertDBHandle *handle, const SECItem *derName, + PRBool isKRL); +SECStatus +nsslowcert_AddCrl(NSSLOWCERTCertDBHandle *handle, SECItem *derCrl, + SECItem *derKey, char *url, PRBool isKRL); + +NSSLOWCERTCertDBHandle *nsslowcert_GetDefaultCertDB(); +NSSLOWKEYPublicKey *nsslowcert_ExtractPublicKey(NSSLOWCERTCertificate *); + +NSSLOWCERTCertificate * +nsslowcert_NewTempCertificate(NSSLOWCERTCertDBHandle *handle, SECItem *derCert, + char *nickname, PRBool isperm, PRBool copyDER); +NSSLOWCERTCertificate * +nsslowcert_DupCertificate(NSSLOWCERTCertificate *cert); +void nsslowcert_DestroyCertificate(NSSLOWCERTCertificate *cert); +void nsslowcert_DestroyTrust(NSSLOWCERTTrust *Trust); + +/* + * Lookup a certificate in the databases without locking + * "certKey" is the database key to look for + * + * XXX - this should be internal, but pkcs 11 needs to call it during a + * traversal. + */ +NSSLOWCERTCertificate * +nsslowcert_FindCertByKey(NSSLOWCERTCertDBHandle *handle, const SECItem *certKey); + +/* + * Lookup trust for a certificate in the databases without locking + * "certKey" is the database key to look for + * + * XXX - this should be internal, but pkcs 11 needs to call it during a + * traversal. + */ +NSSLOWCERTTrust * +nsslowcert_FindTrustByKey(NSSLOWCERTCertDBHandle *handle, const SECItem *certKey); + +/* +** Generate a certificate key from the issuer and serialnumber, then look it +** up in the database. Return the cert if found. +** "issuerAndSN" is the issuer and serial number to look for +*/ +extern NSSLOWCERTCertificate * +nsslowcert_FindCertByIssuerAndSN(NSSLOWCERTCertDBHandle *handle, NSSLOWCERTIssuerAndSN *issuerAndSN); + +/* +** Generate a certificate key from the issuer and serialnumber, then look it +** up in the database. Return the cert if found. +** "issuerAndSN" is the issuer and serial number to look for +*/ +extern NSSLOWCERTTrust * +nsslowcert_FindTrustByIssuerAndSN(NSSLOWCERTCertDBHandle *handle, NSSLOWCERTIssuerAndSN *issuerAndSN); + +/* +** Find a certificate in the database by a DER encoded certificate +** "derCert" is the DER encoded certificate +*/ +extern NSSLOWCERTCertificate * +nsslowcert_FindCertByDERCert(NSSLOWCERTCertDBHandle *handle, SECItem *derCert); + +/* convert an email address to lower case */ +char *nsslowcert_FixupEmailAddr(char *emailAddr); + +/* +** Decode a DER encoded certificate into an NSSLOWCERTCertificate structure +** "derSignedCert" is the DER encoded signed certificate +** "copyDER" is true if the DER should be copied, false if the +** existing copy should be referenced +** "nickname" is the nickname to use in the database. If it is NULL +** then a temporary nickname is generated. +*/ +extern NSSLOWCERTCertificate * +nsslowcert_DecodeDERCertificate(SECItem *derSignedCert, char *nickname); + +SECStatus +nsslowcert_KeyFromDERCert(PLArenaPool *arena, SECItem *derCert, SECItem *key); + +certDBEntrySMime * +nsslowcert_ReadDBSMimeEntry(NSSLOWCERTCertDBHandle *certHandle, + char *emailAddr); +void +nsslowcert_DestroyDBEntry(certDBEntry *entry); + +SECStatus +nsslowcert_OpenCertDB(NSSLOWCERTCertDBHandle *handle, PRBool readOnly, + const char *domain, const char *prefix, + NSSLOWCERTDBNameFunc namecb, void *cbarg, PRBool openVolatile); + +void +nsslowcert_ClosePermCertDB(NSSLOWCERTCertDBHandle *handle); + +/* + * is certa newer than certb? If one is expired, pick the other one. + */ +PRBool +nsslowcert_IsNewer(NSSLOWCERTCertificate *certa, NSSLOWCERTCertificate *certb); + +SECStatus +nsslowcert_TraverseDBEntries(NSSLOWCERTCertDBHandle *handle, + certDBEntryType type, + SECStatus (*callback)(SECItem *data, SECItem *key, + certDBEntryType type, void *pdata), + void *udata); +SECStatus +nsslowcert_TraversePermCertsForSubject(NSSLOWCERTCertDBHandle *handle, + SECItem *derSubject, + NSSLOWCERTCertCallback cb, void *cbarg); +int +nsslowcert_NumPermCertsForSubject(NSSLOWCERTCertDBHandle *handle, + SECItem *derSubject); +SECStatus +nsslowcert_TraversePermCertsForNickname(NSSLOWCERTCertDBHandle *handle, + char *nickname, NSSLOWCERTCertCallback cb, void *cbarg); + +int +nsslowcert_NumPermCertsForNickname(NSSLOWCERTCertDBHandle *handle, + char *nickname); +SECStatus +nsslowcert_GetCertTrust(NSSLOWCERTCertificate *cert, + NSSLOWCERTCertTrust *trust); + +SECStatus +nsslowcert_SaveSMimeProfile(NSSLOWCERTCertDBHandle *dbhandle, char *emailAddr, + SECItem *derSubject, SECItem *emailProfile, SECItem *profileTime); + +/* + * Change the trust attributes of a certificate and make them permanent + * in the database. + */ +SECStatus +nsslowcert_ChangeCertTrust(NSSLOWCERTCertDBHandle *handle, + NSSLOWCERTCertificate *cert, NSSLOWCERTCertTrust *trust); + +PRBool +nsslowcert_needDBVerify(NSSLOWCERTCertDBHandle *handle); + +void +nsslowcert_setDBVerify(NSSLOWCERTCertDBHandle *handle, PRBool value); + +PRBool +nsslowcert_hasTrust(NSSLOWCERTCertTrust *trust); + +void +nsslowcert_DestroyFreeLists(void); + +void +nsslowcert_DestroyGlobalLocks(void); + +void +pkcs11_freeNickname(char *nickname, char *space); + +char * +pkcs11_copyNickname(char *nickname, char *space, int spaceLen); + +void +pkcs11_freeStaticData(unsigned char *data, unsigned char *space); + +unsigned char * +pkcs11_allocStaticData(int datalen, unsigned char *space, int spaceLen); + +unsigned char * +pkcs11_copyStaticData(unsigned char *data, int datalen, unsigned char *space, + int spaceLen); +NSSLOWCERTCertificate * +nsslowcert_CreateCert(void); + +certDBEntry * +nsslowcert_DecodeAnyDBEntry(SECItem *dbData, const SECItem *dbKey, + certDBEntryType entryType, void *pdata); + +SEC_END_PROTOS + +#endif /* _PCERTDB_H_ */ diff --git a/security/nss/lib/softoken/legacydb/pcertdb.c b/security/nss/lib/softoken/legacydb/pcertdb.c new file mode 100644 index 000000000..65da51687 --- /dev/null +++ b/security/nss/lib/softoken/legacydb/pcertdb.c @@ -0,0 +1,5333 @@ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +/* + * Permanent Certificate database handling code + */ +#include "lowkeyti.h" +#include "pcert.h" +#include "mcom_db.h" +#include "pcert.h" +#include "secitem.h" +#include "secder.h" + +#include "secerr.h" +#include "lgdb.h" + +/* forward declaration */ +NSSLOWCERTCertificate * +nsslowcert_FindCertByDERCertNoLocking(NSSLOWCERTCertDBHandle *handle, SECItem *derCert); +static SECStatus +nsslowcert_UpdateSMimeProfile(NSSLOWCERTCertDBHandle *dbhandle, + char *emailAddr, SECItem *derSubject, SECItem *emailProfile, + SECItem *profileTime); +static SECStatus +nsslowcert_UpdatePermCert(NSSLOWCERTCertDBHandle *dbhandle, + NSSLOWCERTCertificate *cert, char *nickname, NSSLOWCERTCertTrust *trust); +static SECStatus +nsslowcert_UpdateCrl(NSSLOWCERTCertDBHandle *handle, SECItem *derCrl, + SECItem *crlKey, char *url, PRBool isKRL); + +static NSSLOWCERTCertificate *certListHead = NULL; +static NSSLOWCERTTrust *trustListHead = NULL; +static certDBEntryCert *entryListHead = NULL; +static int certListCount = 0; +static int trustListCount = 0; +static int entryListCount = 0; +#define MAX_CERT_LIST_COUNT 10 +#define MAX_TRUST_LIST_COUNT 10 +#define MAX_ENTRY_LIST_COUNT 10 + +/* + * the following functions are wrappers for the db library that implement + * a global lock to make the database thread safe. + */ +static PZLock *dbLock = NULL; +static PZLock *certRefCountLock = NULL; +static PZLock *certTrustLock = NULL; +static PZLock *freeListLock = NULL; + +void +certdb_InitDBLock(NSSLOWCERTCertDBHandle *handle) +{ + if (dbLock == NULL) { + dbLock = PZ_NewLock(nssILockCertDB); + PORT_Assert(dbLock != NULL); + } +} + +SECStatus +nsslowcert_InitLocks(void) +{ + if (freeListLock == NULL) { + freeListLock = PZ_NewLock(nssILockRefLock); + if (freeListLock == NULL) { + return SECFailure; + } + } + if (certRefCountLock == NULL) { + certRefCountLock = PZ_NewLock(nssILockRefLock); + if (certRefCountLock == NULL) { + return SECFailure; + } + } + if (certTrustLock == NULL) { + certTrustLock = PZ_NewLock(nssILockCertDB); + if (certTrustLock == NULL) { + return SECFailure; + } + } + + return SECSuccess; +} + +/* + * Acquire the global lock on the cert database. + * This lock is currently used for the following operations: + * adding or deleting a cert to either the temp or perm databases + * converting a temp to perm or perm to temp + * changing (maybe just adding!?) the trust of a cert + * chaning the DB status checking Configuration + */ +static void +nsslowcert_LockDB(NSSLOWCERTCertDBHandle *handle) +{ + PZ_EnterMonitor(handle->dbMon); + return; +} + +/* + * Free the global cert database lock. + */ +static void +nsslowcert_UnlockDB(NSSLOWCERTCertDBHandle *handle) +{ +#ifdef DEBUG + PRStatus prstat = PZ_ExitMonitor(handle->dbMon); + PORT_Assert(prstat == PR_SUCCESS); +#else + PZ_ExitMonitor(handle->dbMon); +#endif +} + +/* + * Acquire the cert reference count lock + * There is currently one global lock for all certs, but I'm putting a cert + * arg here so that it will be easy to make it per-cert in the future if + * that turns out to be necessary. + */ +static void +nsslowcert_LockCertRefCount(NSSLOWCERTCertificate *cert) +{ + PORT_Assert(certRefCountLock != NULL); + + PZ_Lock(certRefCountLock); + return; +} + +/* + * Free the cert reference count lock + */ +static void +nsslowcert_UnlockCertRefCount(NSSLOWCERTCertificate *cert) +{ + PORT_Assert(certRefCountLock != NULL); + +#ifdef DEBUG + { + PRStatus prstat = PZ_Unlock(certRefCountLock); + PORT_Assert(prstat == PR_SUCCESS); + } +#else + PZ_Unlock(certRefCountLock); +#endif +} + +/* + * Acquire the cert trust lock + * There is currently one global lock for all certs, but I'm putting a cert + * arg here so that it will be easy to make it per-cert in the future if + * that turns out to be necessary. + */ +static void +nsslowcert_LockCertTrust(NSSLOWCERTCertificate *cert) +{ + PORT_Assert(certTrustLock != NULL); + + PZ_Lock(certTrustLock); + return; +} + +/* + * Free the cert trust lock + */ +static void +nsslowcert_UnlockCertTrust(NSSLOWCERTCertificate *cert) +{ + PORT_Assert(certTrustLock != NULL); + +#ifdef DEBUG + { + PRStatus prstat = PZ_Unlock(certTrustLock); + PORT_Assert(prstat == PR_SUCCESS); + } +#else + PZ_Unlock(certTrustLock); +#endif +} + +/* + * Acquire the cert reference count lock + * There is currently one global lock for all certs, but I'm putting a cert + * arg here so that it will be easy to make it per-cert in the future if + * that turns out to be necessary. + */ +static void +nsslowcert_LockFreeList(void) +{ + PORT_Assert(freeListLock != NULL); + + SKIP_AFTER_FORK(PZ_Lock(freeListLock)); + return; +} + +/* + * Free the cert reference count lock + */ +static void +nsslowcert_UnlockFreeList(void) +{ + PORT_Assert(freeListLock != NULL); + +#ifdef DEBUG + { + PRStatus prstat = PR_SUCCESS; + SKIP_AFTER_FORK(prstat = PZ_Unlock(freeListLock)); + PORT_Assert(prstat == PR_SUCCESS); + } +#else + SKIP_AFTER_FORK(PZ_Unlock(freeListLock)); +#endif +} + +NSSLOWCERTCertificate * +nsslowcert_DupCertificate(NSSLOWCERTCertificate *c) +{ + if (c) { + nsslowcert_LockCertRefCount(c); + ++c->referenceCount; + nsslowcert_UnlockCertRefCount(c); + } + return c; +} + +static int +certdb_Get(DB *db, DBT *key, DBT *data, unsigned int flags) +{ + int ret; + + PORT_Assert(dbLock != NULL); + PZ_Lock(dbLock); + + ret = (*db->get)(db, key, data, flags); + + (void)PZ_Unlock(dbLock); + + return (ret); +} + +static int +certdb_Put(DB *db, DBT *key, DBT *data, unsigned int flags) +{ + int ret = 0; + + PORT_Assert(dbLock != NULL); + PZ_Lock(dbLock); + + ret = (*db->put)(db, key, data, flags); + + (void)PZ_Unlock(dbLock); + + return (ret); +} + +static int +certdb_Sync(DB *db, unsigned int flags) +{ + int ret; + + PORT_Assert(dbLock != NULL); + PZ_Lock(dbLock); + + ret = (*db->sync)(db, flags); + + (void)PZ_Unlock(dbLock); + + return (ret); +} + +#define DB_NOT_FOUND -30991 /* from DBM 3.2 */ +static int +certdb_Del(DB *db, DBT *key, unsigned int flags) +{ + int ret; + + PORT_Assert(dbLock != NULL); + PZ_Lock(dbLock); + + ret = (*db->del)(db, key, flags); + + (void)PZ_Unlock(dbLock); + + /* don't fail if the record is already deleted */ + if (ret == DB_NOT_FOUND) { + ret = 0; + } + + return (ret); +} + +static int +certdb_Seq(DB *db, DBT *key, DBT *data, unsigned int flags) +{ + int ret; + + PORT_Assert(dbLock != NULL); + PZ_Lock(dbLock); + + ret = (*db->seq)(db, key, data, flags); + + (void)PZ_Unlock(dbLock); + + return (ret); +} + +static void +certdb_Close(DB *db) +{ + PORT_Assert(dbLock != NULL); + SKIP_AFTER_FORK(PZ_Lock(dbLock)); + + (*db->close)(db); + + SKIP_AFTER_FORK(PZ_Unlock(dbLock)); + + return; +} + +void +pkcs11_freeNickname(char *nickname, char *space) +{ + if (nickname && nickname != space) { + PORT_Free(nickname); + } +} + +char * +pkcs11_copyNickname(char *nickname, char *space, int spaceLen) +{ + int len; + char *copy = NULL; + + len = PORT_Strlen(nickname) + 1; + if (len <= spaceLen) { + copy = space; + PORT_Memcpy(copy, nickname, len); + } else { + copy = PORT_Strdup(nickname); + } + + return copy; +} + +void +pkcs11_freeStaticData(unsigned char *data, unsigned char *space) +{ + if (data && data != space) { + PORT_Free(data); + } +} + +unsigned char * +pkcs11_allocStaticData(int len, unsigned char *space, int spaceLen) +{ + unsigned char *data = NULL; + + if (len <= spaceLen) { + data = space; + } else { + data = (unsigned char *)PORT_Alloc(len); + } + + return data; +} + +unsigned char * +pkcs11_copyStaticData(unsigned char *data, int len, + unsigned char *space, int spaceLen) +{ + unsigned char *copy = pkcs11_allocStaticData(len, space, spaceLen); + if (copy) { + PORT_Memcpy(copy, data, len); + } + + return copy; +} + +/* + * destroy a database entry + */ +static void +DestroyDBEntry(certDBEntry *entry) +{ + PLArenaPool *arena = entry->common.arena; + + /* must be one of our certDBEntry from the free list */ + if (arena == NULL) { + certDBEntryCert *certEntry; + if (entry->common.type != certDBEntryTypeCert) { + return; + } + certEntry = (certDBEntryCert *)entry; + + pkcs11_freeStaticData(certEntry->derCert.data, certEntry->derCertSpace); + pkcs11_freeNickname(certEntry->nickname, certEntry->nicknameSpace); + + nsslowcert_LockFreeList(); + if (entryListCount > MAX_ENTRY_LIST_COUNT) { + PORT_Free(certEntry); + } else { + entryListCount++; + PORT_Memset(certEntry, 0, sizeof(*certEntry)); + certEntry->next = entryListHead; + entryListHead = certEntry; + } + nsslowcert_UnlockFreeList(); + return; + } + + /* Zero out the entry struct, so that any further attempts to use it + * will cause an exception (e.g. null pointer reference). */ + PORT_Memset(&entry->common, 0, sizeof entry->common); + PORT_FreeArena(arena, PR_FALSE); + + return; +} + +/* forward references */ +static void nsslowcert_DestroyCertificateNoLocking(NSSLOWCERTCertificate *cert); + +static SECStatus +DeleteDBEntry(NSSLOWCERTCertDBHandle *handle, certDBEntryType type, SECItem *dbkey) +{ + DBT key; + int ret; + + /* init the database key */ + key.data = dbkey->data; + key.size = dbkey->len; + + dbkey->data[0] = (unsigned char)type; + + /* delete entry from database */ + ret = certdb_Del(handle->permCertDB, &key, 0); + if (ret != 0) { + PORT_SetError(SEC_ERROR_BAD_DATABASE); + goto loser; + } + + ret = certdb_Sync(handle->permCertDB, 0); + if (ret) { + PORT_SetError(SEC_ERROR_BAD_DATABASE); + goto loser; + } + + return (SECSuccess); + +loser: + return (SECFailure); +} + +static SECStatus +ReadDBEntry(NSSLOWCERTCertDBHandle *handle, certDBEntryCommon *entry, + SECItem *dbkey, SECItem *dbentry, PLArenaPool *arena) +{ + DBT data, key; + int ret; + unsigned char *buf; + + /* init the database key */ + key.data = dbkey->data; + key.size = dbkey->len; + + dbkey->data[0] = (unsigned char)entry->type; + + /* read entry from database */ + ret = certdb_Get(handle->permCertDB, &key, &data, 0); + if (ret != 0) { + PORT_SetError(SEC_ERROR_BAD_DATABASE); + goto loser; + } + + /* validate the entry */ + if (data.size < SEC_DB_ENTRY_HEADER_LEN) { + PORT_SetError(SEC_ERROR_BAD_DATABASE); + goto loser; + } + buf = (unsigned char *)data.data; + /* version 7 has the same schema, we may be using a v7 db if we openned + * the databases readonly. */ + if (!((buf[0] == (unsigned char)CERT_DB_FILE_VERSION) || + (buf[0] == (unsigned char)CERT_DB_V7_FILE_VERSION))) { + PORT_SetError(SEC_ERROR_BAD_DATABASE); + goto loser; + } + if (buf[1] != (unsigned char)entry->type) { + PORT_SetError(SEC_ERROR_BAD_DATABASE); + goto loser; + } + + /* copy out header information */ + entry->version = (unsigned int)buf[0]; + entry->type = (certDBEntryType)buf[1]; + entry->flags = (unsigned int)buf[2]; + + /* format body of entry for return to caller */ + dbentry->len = data.size - SEC_DB_ENTRY_HEADER_LEN; + if (dbentry->len) { + if (arena) { + dbentry->data = (unsigned char *) + PORT_ArenaAlloc(arena, dbentry->len); + if (dbentry->data == NULL) { + PORT_SetError(SEC_ERROR_NO_MEMORY); + goto loser; + } + + PORT_Memcpy(dbentry->data, &buf[SEC_DB_ENTRY_HEADER_LEN], + dbentry->len); + } else { + dbentry->data = &buf[SEC_DB_ENTRY_HEADER_LEN]; + } + } else { + dbentry->data = NULL; + } + + return (SECSuccess); + +loser: + return (SECFailure); +} + +/** + ** Implement low level database access + **/ +static SECStatus +WriteDBEntry(NSSLOWCERTCertDBHandle *handle, certDBEntryCommon *entry, + SECItem *dbkey, SECItem *dbentry) +{ + int ret; + DBT data, key; + unsigned char *buf; + + data.data = dbentry->data; + data.size = dbentry->len; + + buf = (unsigned char *)data.data; + + buf[0] = (unsigned char)entry->version; + buf[1] = (unsigned char)entry->type; + buf[2] = (unsigned char)entry->flags; + + key.data = dbkey->data; + key.size = dbkey->len; + + dbkey->data[0] = (unsigned char)entry->type; + + /* put the record into the database now */ + ret = certdb_Put(handle->permCertDB, &key, &data, 0); + + if (ret != 0) { + goto loser; + } + + ret = certdb_Sync(handle->permCertDB, 0); + + if (ret) { + goto loser; + } + + return (SECSuccess); + +loser: + return (SECFailure); +} + +/* + * encode a database cert record + */ +static SECStatus +EncodeDBCertEntry(certDBEntryCert *entry, PLArenaPool *arena, SECItem *dbitem) +{ + unsigned int nnlen; + unsigned char *buf; + char *nn; + char zbuf = 0; + + if (entry->nickname) { + nn = entry->nickname; + } else { + nn = &zbuf; + } + nnlen = PORT_Strlen(nn) + 1; + + /* allocate space for encoded database record, including space + * for low level header + */ + dbitem->len = entry->derCert.len + nnlen + DB_CERT_ENTRY_HEADER_LEN + + SEC_DB_ENTRY_HEADER_LEN; + + dbitem->data = (unsigned char *)PORT_ArenaAlloc(arena, dbitem->len); + if (dbitem->data == NULL) { + PORT_SetError(SEC_ERROR_NO_MEMORY); + goto loser; + } + + /* fill in database record */ + buf = &dbitem->data[SEC_DB_ENTRY_HEADER_LEN]; + + buf[0] = (PRUint8)(entry->trust.sslFlags >> 8); + buf[1] = (PRUint8)(entry->trust.sslFlags); + buf[2] = (PRUint8)(entry->trust.emailFlags >> 8); + buf[3] = (PRUint8)(entry->trust.emailFlags); + buf[4] = (PRUint8)(entry->trust.objectSigningFlags >> 8); + buf[5] = (PRUint8)(entry->trust.objectSigningFlags); + buf[6] = (PRUint8)(entry->derCert.len >> 8); + buf[7] = (PRUint8)(entry->derCert.len); + buf[8] = (PRUint8)(nnlen >> 8); + buf[9] = (PRUint8)(nnlen); + + PORT_Memcpy(&buf[DB_CERT_ENTRY_HEADER_LEN], entry->derCert.data, + entry->derCert.len); + + PORT_Memcpy(&buf[DB_CERT_ENTRY_HEADER_LEN + entry->derCert.len], + nn, nnlen); + + return (SECSuccess); + +loser: + return (SECFailure); +} + +/* + * encode a database key for a cert record + */ +static SECStatus +EncodeDBCertKey(const SECItem *certKey, PLArenaPool *arena, SECItem *dbkey) +{ + unsigned int len = certKey->len + SEC_DB_KEY_HEADER_LEN; + if (len > NSS_MAX_LEGACY_DB_KEY_SIZE) + goto loser; + if (arena) { + dbkey->data = (unsigned char *)PORT_ArenaAlloc(arena, len); + } else { + if (dbkey->len < len) { + dbkey->data = (unsigned char *)PORT_Alloc(len); + } + } + dbkey->len = len; + if (dbkey->data == NULL) { + goto loser; + } + PORT_Memcpy(&dbkey->data[SEC_DB_KEY_HEADER_LEN], + certKey->data, certKey->len); + dbkey->data[0] = certDBEntryTypeCert; + + return (SECSuccess); +loser: + return (SECFailure); +} + +static SECStatus +EncodeDBGenericKey(const SECItem *certKey, PLArenaPool *arena, SECItem *dbkey, + certDBEntryType entryType) +{ + /* + * we only allow _one_ KRL key! + */ + if (entryType == certDBEntryTypeKeyRevocation) { + dbkey->len = SEC_DB_KEY_HEADER_LEN; + dbkey->data = (unsigned char *)PORT_ArenaAlloc(arena, dbkey->len); + if (dbkey->data == NULL) { + goto loser; + } + dbkey->data[0] = (unsigned char)entryType; + return (SECSuccess); + } + + dbkey->len = certKey->len + SEC_DB_KEY_HEADER_LEN; + if (dbkey->len > NSS_MAX_LEGACY_DB_KEY_SIZE) + goto loser; + dbkey->data = (unsigned char *)PORT_ArenaAlloc(arena, dbkey->len); + if (dbkey->data == NULL) { + goto loser; + } + PORT_Memcpy(&dbkey->data[SEC_DB_KEY_HEADER_LEN], + certKey->data, certKey->len); + dbkey->data[0] = (unsigned char)entryType; + + return (SECSuccess); +loser: + return (SECFailure); +} + +static SECStatus +DecodeDBCertEntry(certDBEntryCert *entry, SECItem *dbentry) +{ + unsigned int nnlen; + unsigned int headerlen; + int lenoff; + + /* allow updates of old versions of the database */ + switch (entry->common.version) { + case 5: + headerlen = DB_CERT_V5_ENTRY_HEADER_LEN; + lenoff = 3; + break; + case 6: + /* should not get here */ + PORT_Assert(0); + headerlen = DB_CERT_V6_ENTRY_HEADER_LEN; + lenoff = 3; + break; + case 7: + case 8: + headerlen = DB_CERT_ENTRY_HEADER_LEN; + lenoff = 6; + break; + default: + /* better not get here */ + PORT_Assert(0); + headerlen = DB_CERT_V5_ENTRY_HEADER_LEN; + lenoff = 3; + break; + } + + /* is record long enough for header? */ + if (dbentry->len < headerlen) { + PORT_SetError(SEC_ERROR_BAD_DATABASE); + goto loser; + } + + /* is database entry correct length? */ + entry->derCert.len = ((dbentry->data[lenoff] << 8) | + dbentry->data[lenoff + 1]); + nnlen = ((dbentry->data[lenoff + 2] << 8) | dbentry->data[lenoff + 3]); + lenoff = dbentry->len - (entry->derCert.len + nnlen + headerlen); + if (lenoff) { + if (lenoff < 0 || (lenoff & 0xffff) != 0) { + PORT_SetError(SEC_ERROR_BAD_DATABASE); + goto loser; + } + /* The cert size exceeded 64KB. Reconstruct the correct length. */ + entry->derCert.len += lenoff; + } + + /* copy the dercert */ + entry->derCert.data = pkcs11_copyStaticData(&dbentry->data[headerlen], + entry->derCert.len, entry->derCertSpace, sizeof(entry->derCertSpace)); + if (entry->derCert.data == NULL) { + PORT_SetError(SEC_ERROR_NO_MEMORY); + goto loser; + } + + /* copy the nickname */ + if (nnlen > 1) { + entry->nickname = (char *)pkcs11_copyStaticData( + &dbentry->data[headerlen + entry->derCert.len], nnlen, + (unsigned char *)entry->nicknameSpace, + sizeof(entry->nicknameSpace)); + if (entry->nickname == NULL) { + PORT_SetError(SEC_ERROR_NO_MEMORY); + goto loser; + } + } else { + entry->nickname = NULL; + } + + if (entry->common.version < 7) { + /* allow updates of v5 db */ + entry->trust.sslFlags = dbentry->data[0]; + entry->trust.emailFlags = dbentry->data[1]; + entry->trust.objectSigningFlags = dbentry->data[2]; + } else { + entry->trust.sslFlags = (dbentry->data[0] << 8) | dbentry->data[1]; + entry->trust.emailFlags = (dbentry->data[2] << 8) | dbentry->data[3]; + entry->trust.objectSigningFlags = + (dbentry->data[4] << 8) | dbentry->data[5]; + } + + return (SECSuccess); +loser: + return (SECFailure); +} + +/* + * Create a new certDBEntryCert from existing data + */ +static certDBEntryCert * +NewDBCertEntry(SECItem *derCert, char *nickname, + NSSLOWCERTCertTrust *trust, int flags) +{ + certDBEntryCert *entry; + PLArenaPool *arena = NULL; + int nnlen; + + arena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE); + + if (!arena) { + goto loser; + } + + entry = PORT_ArenaZNew(arena, certDBEntryCert); + if (entry == NULL) { + goto loser; + } + + /* fill in the dbCert */ + entry->common.arena = arena; + entry->common.type = certDBEntryTypeCert; + entry->common.version = CERT_DB_FILE_VERSION; + entry->common.flags = flags; + + if (trust) { + entry->trust = *trust; + } + + entry->derCert.data = (unsigned char *)PORT_ArenaAlloc(arena, derCert->len); + if (!entry->derCert.data) { + goto loser; + } + entry->derCert.len = derCert->len; + PORT_Memcpy(entry->derCert.data, derCert->data, derCert->len); + + nnlen = (nickname ? strlen(nickname) + 1 : 0); + + if (nnlen) { + entry->nickname = (char *)PORT_ArenaAlloc(arena, nnlen); + if (!entry->nickname) { + goto loser; + } + PORT_Memcpy(entry->nickname, nickname, nnlen); + + } else { + entry->nickname = 0; + } + + return (entry); + +loser: + + /* allocation error, free arena and return */ + if (arena) { + PORT_FreeArena(arena, PR_FALSE); + } + + PORT_SetError(SEC_ERROR_NO_MEMORY); + return (0); +} + +/* + * Decode a version 4 DBCert from the byte stream database format + * and construct a current database entry struct + */ +static certDBEntryCert * +DecodeV4DBCertEntry(unsigned char *buf, int len) +{ + certDBEntryCert *entry; + int certlen; + int nnlen; + PLArenaPool *arena; + + /* make sure length is at least long enough for the header */ + if (len < DBCERT_V4_HEADER_LEN) { + PORT_SetError(SEC_ERROR_BAD_DATABASE); + return (0); + } + + /* get other lengths */ + certlen = buf[3] << 8 | buf[4]; + nnlen = buf[5] << 8 | buf[6]; + + /* make sure DB entry is the right size */ + if ((certlen + nnlen + DBCERT_V4_HEADER_LEN) != len) { + PORT_SetError(SEC_ERROR_BAD_DATABASE); + return (0); + } + + /* allocate arena */ + arena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE); + + if (!arena) { + PORT_SetError(SEC_ERROR_NO_MEMORY); + return (0); + } + + /* allocate structure and members */ + entry = (certDBEntryCert *)PORT_ArenaAlloc(arena, sizeof(certDBEntryCert)); + + if (!entry) { + goto loser; + } + + entry->common.arena = arena; + entry->common.version = CERT_DB_FILE_VERSION; + entry->common.type = certDBEntryTypeCert; + entry->common.flags = 0; + entry->trust.sslFlags = buf[0]; + entry->trust.emailFlags = buf[1]; + entry->trust.objectSigningFlags = buf[2]; + + entry->derCert.data = (unsigned char *)PORT_ArenaAlloc(arena, certlen); + if (!entry->derCert.data) { + goto loser; + } + entry->derCert.len = certlen; + PORT_Memcpy(entry->derCert.data, &buf[DBCERT_V4_HEADER_LEN], certlen); + + if (nnlen) { + entry->nickname = (char *)PORT_ArenaAlloc(arena, nnlen); + if (!entry->nickname) { + goto loser; + } + PORT_Memcpy(entry->nickname, &buf[DBCERT_V4_HEADER_LEN + certlen], nnlen); + + if (PORT_Strcmp(entry->nickname, "Server-Cert") == 0) { + entry->trust.sslFlags |= CERTDB_USER; + } + } else { + entry->nickname = 0; + } + + return (entry); + +loser: + PORT_FreeArena(arena, PR_FALSE); + PORT_SetError(SEC_ERROR_NO_MEMORY); + return (0); +} + +/* + * Encode a Certificate database entry into byte stream suitable for + * the database + */ +static SECStatus +WriteDBCertEntry(NSSLOWCERTCertDBHandle *handle, certDBEntryCert *entry) +{ + SECItem dbitem, dbkey; + PLArenaPool *tmparena = NULL; + SECItem tmpitem; + SECStatus rv; + + tmparena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE); + if (tmparena == NULL) { + goto loser; + } + + rv = EncodeDBCertEntry(entry, tmparena, &dbitem); + if (rv != SECSuccess) { + goto loser; + } + + /* get the database key and format it */ + rv = nsslowcert_KeyFromDERCert(tmparena, &entry->derCert, &tmpitem); + if (rv == SECFailure) { + goto loser; + } + + rv = EncodeDBCertKey(&tmpitem, tmparena, &dbkey); + if (rv == SECFailure) { + goto loser; + } + + /* now write it to the database */ + rv = WriteDBEntry(handle, &entry->common, &dbkey, &dbitem); + if (rv != SECSuccess) { + goto loser; + } + + PORT_FreeArena(tmparena, PR_FALSE); + return (SECSuccess); + +loser: + if (tmparena) { + PORT_FreeArena(tmparena, PR_FALSE); + } + return (SECFailure); +} + +/* + * delete a certificate entry + */ +static SECStatus +DeleteDBCertEntry(NSSLOWCERTCertDBHandle *handle, SECItem *certKey) +{ + SECItem dbkey; + SECStatus rv; + + dbkey.data = NULL; + dbkey.len = 0; + + rv = EncodeDBCertKey(certKey, NULL, &dbkey); + if (rv != SECSuccess) { + goto loser; + } + + rv = DeleteDBEntry(handle, certDBEntryTypeCert, &dbkey); + if (rv == SECFailure) { + goto loser; + } + + PORT_Free(dbkey.data); + + return (SECSuccess); + +loser: + if (dbkey.data) { + PORT_Free(dbkey.data); + } + return (SECFailure); +} + +static certDBEntryCert * +CreateCertEntry(void) +{ + certDBEntryCert *entry; + + nsslowcert_LockFreeList(); + entry = entryListHead; + if (entry) { + entryListCount--; + entryListHead = entry->next; + } + PORT_Assert(entryListCount >= 0); + nsslowcert_UnlockFreeList(); + if (entry) { + return entry; + } + + return PORT_ZNew(certDBEntryCert); +} + +static void +DestroyCertEntryFreeList(void) +{ + certDBEntryCert *entry; + + nsslowcert_LockFreeList(); + while (NULL != (entry = entryListHead)) { + entryListCount--; + entryListHead = entry->next; + PORT_Free(entry); + } + PORT_Assert(!entryListCount); + entryListCount = 0; + nsslowcert_UnlockFreeList(); +} + +/* + * Read a certificate entry + */ +static certDBEntryCert * +ReadDBCertEntry(NSSLOWCERTCertDBHandle *handle, const SECItem *certKey) +{ + certDBEntryCert *entry; + SECItem dbkey; + SECItem dbentry; + SECStatus rv; + unsigned char buf[512]; + + dbkey.data = buf; + dbkey.len = sizeof(buf); + + entry = CreateCertEntry(); + if (entry == NULL) { + PORT_SetError(SEC_ERROR_NO_MEMORY); + goto loser; + } + entry->common.arena = NULL; + entry->common.type = certDBEntryTypeCert; + + rv = EncodeDBCertKey(certKey, NULL, &dbkey); + if (rv != SECSuccess) { + goto loser; + } + + rv = ReadDBEntry(handle, &entry->common, &dbkey, &dbentry, NULL); + if (rv == SECFailure) { + goto loser; + } + + rv = DecodeDBCertEntry(entry, &dbentry); + if (rv != SECSuccess) { + goto loser; + } + + pkcs11_freeStaticData(dbkey.data, buf); + dbkey.data = NULL; + return (entry); + +loser: + pkcs11_freeStaticData(dbkey.data, buf); + dbkey.data = NULL; + if (entry) { + DestroyDBEntry((certDBEntry *)entry); + } + + return (NULL); +} + +/* + * encode a database cert record + */ +static SECStatus +EncodeDBCrlEntry(certDBEntryRevocation *entry, PLArenaPool *arena, SECItem *dbitem) +{ + unsigned int nnlen = 0; + unsigned char *buf; + + if (entry->url) { + nnlen = PORT_Strlen(entry->url) + 1; + } + + /* allocate space for encoded database record, including space + * for low level header + */ + dbitem->len = entry->derCrl.len + nnlen + SEC_DB_ENTRY_HEADER_LEN + DB_CRL_ENTRY_HEADER_LEN; + + dbitem->data = (unsigned char *)PORT_ArenaAlloc(arena, dbitem->len); + if (dbitem->data == NULL) { + PORT_SetError(SEC_ERROR_NO_MEMORY); + goto loser; + } + + /* fill in database record */ + buf = &dbitem->data[SEC_DB_ENTRY_HEADER_LEN]; + + buf[0] = (PRUint8)(entry->derCrl.len >> 8); + buf[1] = (PRUint8)(entry->derCrl.len); + buf[2] = (PRUint8)(nnlen >> 8); + buf[3] = (PRUint8)(nnlen); + + PORT_Memcpy(&buf[DB_CRL_ENTRY_HEADER_LEN], entry->derCrl.data, + entry->derCrl.len); + + if (nnlen != 0) { + PORT_Memcpy(&buf[DB_CRL_ENTRY_HEADER_LEN + entry->derCrl.len], + entry->url, nnlen); + } + + return (SECSuccess); + +loser: + return (SECFailure); +} + +static SECStatus +DecodeDBCrlEntry(certDBEntryRevocation *entry, SECItem *dbentry) +{ + unsigned int urlLen; + int lenDiff; + + /* is record long enough for header? */ + if (dbentry->len < DB_CRL_ENTRY_HEADER_LEN) { + PORT_SetError(SEC_ERROR_BAD_DATABASE); + goto loser; + } + + /* is database entry correct length? */ + entry->derCrl.len = ((dbentry->data[0] << 8) | dbentry->data[1]); + urlLen = ((dbentry->data[2] << 8) | dbentry->data[3]); + lenDiff = dbentry->len - + (entry->derCrl.len + urlLen + DB_CRL_ENTRY_HEADER_LEN); + if (lenDiff) { + if (lenDiff < 0 || (lenDiff & 0xffff) != 0) { + PORT_SetError(SEC_ERROR_BAD_DATABASE); + goto loser; + } + /* CRL entry is greater than 64 K. Hack to make this continue to work */ + entry->derCrl.len += lenDiff; + } + + /* copy the der CRL */ + entry->derCrl.data = (unsigned char *)PORT_ArenaAlloc(entry->common.arena, + entry->derCrl.len); + if (entry->derCrl.data == NULL) { + PORT_SetError(SEC_ERROR_NO_MEMORY); + goto loser; + } + PORT_Memcpy(entry->derCrl.data, &dbentry->data[DB_CRL_ENTRY_HEADER_LEN], + entry->derCrl.len); + + /* copy the url */ + entry->url = NULL; + if (urlLen != 0) { + entry->url = (char *)PORT_ArenaAlloc(entry->common.arena, urlLen); + if (entry->url == NULL) { + PORT_SetError(SEC_ERROR_NO_MEMORY); + goto loser; + } + PORT_Memcpy(entry->url, + &dbentry->data[DB_CRL_ENTRY_HEADER_LEN + entry->derCrl.len], + urlLen); + } + + return (SECSuccess); +loser: + return (SECFailure); +} + +/* + * Create a new certDBEntryRevocation from existing data + */ +static certDBEntryRevocation * +NewDBCrlEntry(SECItem *derCrl, char *url, certDBEntryType crlType, int flags) +{ + certDBEntryRevocation *entry; + PLArenaPool *arena = NULL; + int nnlen; + + arena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE); + + if (!arena) { + goto loser; + } + + entry = PORT_ArenaZNew(arena, certDBEntryRevocation); + if (entry == NULL) { + goto loser; + } + + /* fill in the dbRevolcation */ + entry->common.arena = arena; + entry->common.type = crlType; + entry->common.version = CERT_DB_FILE_VERSION; + entry->common.flags = flags; + + entry->derCrl.data = (unsigned char *)PORT_ArenaAlloc(arena, derCrl->len); + if (!entry->derCrl.data) { + goto loser; + } + + if (url) { + nnlen = PORT_Strlen(url) + 1; + entry->url = (char *)PORT_ArenaAlloc(arena, nnlen); + if (!entry->url) { + goto loser; + } + PORT_Memcpy(entry->url, url, nnlen); + } else { + entry->url = NULL; + } + + entry->derCrl.len = derCrl->len; + PORT_Memcpy(entry->derCrl.data, derCrl->data, derCrl->len); + + return (entry); + +loser: + + /* allocation error, free arena and return */ + if (arena) { + PORT_FreeArena(arena, PR_FALSE); + } + + PORT_SetError(SEC_ERROR_NO_MEMORY); + return (0); +} + +static SECStatus +WriteDBCrlEntry(NSSLOWCERTCertDBHandle *handle, certDBEntryRevocation *entry, + SECItem *crlKey) +{ + SECItem dbkey; + PLArenaPool *tmparena = NULL; + SECItem encodedEntry; + SECStatus rv; + + tmparena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE); + if (tmparena == NULL) { + goto loser; + } + + rv = EncodeDBCrlEntry(entry, tmparena, &encodedEntry); + if (rv == SECFailure) { + goto loser; + } + + rv = EncodeDBGenericKey(crlKey, tmparena, &dbkey, entry->common.type); + if (rv == SECFailure) { + goto loser; + } + + /* now write it to the database */ + rv = WriteDBEntry(handle, &entry->common, &dbkey, &encodedEntry); + if (rv != SECSuccess) { + goto loser; + } + + PORT_FreeArena(tmparena, PR_FALSE); + return (SECSuccess); + +loser: + if (tmparena) { + PORT_FreeArena(tmparena, PR_FALSE); + } + return (SECFailure); +} +/* + * delete a crl entry + */ +static SECStatus +DeleteDBCrlEntry(NSSLOWCERTCertDBHandle *handle, const SECItem *crlKey, + certDBEntryType crlType) +{ + SECItem dbkey; + PLArenaPool *arena = NULL; + SECStatus rv; + + arena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE); + if (arena == NULL) { + goto loser; + } + + rv = EncodeDBGenericKey(crlKey, arena, &dbkey, crlType); + if (rv != SECSuccess) { + goto loser; + } + + rv = DeleteDBEntry(handle, crlType, &dbkey); + if (rv == SECFailure) { + goto loser; + } + + PORT_FreeArena(arena, PR_FALSE); + return (SECSuccess); + +loser: + if (arena) { + PORT_FreeArena(arena, PR_FALSE); + } + + return (SECFailure); +} + +/* + * Read a certificate entry + */ +static certDBEntryRevocation * +ReadDBCrlEntry(NSSLOWCERTCertDBHandle *handle, SECItem *certKey, + certDBEntryType crlType) +{ + PLArenaPool *arena = NULL; + PLArenaPool *tmparena = NULL; + certDBEntryRevocation *entry; + SECItem dbkey; + SECItem dbentry; + SECStatus rv; + + arena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE); + if (arena == NULL) { + PORT_SetError(SEC_ERROR_NO_MEMORY); + goto loser; + } + + tmparena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE); + if (tmparena == NULL) { + PORT_SetError(SEC_ERROR_NO_MEMORY); + goto loser; + } + + entry = (certDBEntryRevocation *) + PORT_ArenaAlloc(arena, sizeof(certDBEntryRevocation)); + if (entry == NULL) { + PORT_SetError(SEC_ERROR_NO_MEMORY); + goto loser; + } + entry->common.arena = arena; + entry->common.type = crlType; + + rv = EncodeDBGenericKey(certKey, tmparena, &dbkey, crlType); + if (rv != SECSuccess) { + goto loser; + } + + rv = ReadDBEntry(handle, &entry->common, &dbkey, &dbentry, NULL); + if (rv == SECFailure) { + goto loser; + } + + rv = DecodeDBCrlEntry(entry, &dbentry); + if (rv != SECSuccess) { + goto loser; + } + + PORT_FreeArena(tmparena, PR_FALSE); + return (entry); + +loser: + if (tmparena) { + PORT_FreeArena(tmparena, PR_FALSE); + } + if (arena) { + PORT_FreeArena(arena, PR_FALSE); + } + + return (NULL); +} + +void +nsslowcert_DestroyDBEntry(certDBEntry *entry) +{ + DestroyDBEntry(entry); + return; +} + +/* + * Encode a database nickname record + */ +static SECStatus +EncodeDBNicknameEntry(certDBEntryNickname *entry, PLArenaPool *arena, + SECItem *dbitem) +{ + unsigned char *buf; + + /* allocate space for encoded database record, including space + * for low level header + */ + dbitem->len = entry->subjectName.len + DB_NICKNAME_ENTRY_HEADER_LEN + + SEC_DB_ENTRY_HEADER_LEN; + dbitem->data = (unsigned char *)PORT_ArenaAlloc(arena, dbitem->len); + if (dbitem->data == NULL) { + goto loser; + } + + /* fill in database record */ + buf = &dbitem->data[SEC_DB_ENTRY_HEADER_LEN]; + buf[0] = (PRUint8)(entry->subjectName.len >> 8); + buf[1] = (PRUint8)(entry->subjectName.len); + PORT_Memcpy(&buf[DB_NICKNAME_ENTRY_HEADER_LEN], entry->subjectName.data, + entry->subjectName.len); + + return (SECSuccess); + +loser: + return (SECFailure); +} + +/* + * Encode a database key for a nickname record + */ +static SECStatus +EncodeDBNicknameKey(char *nickname, PLArenaPool *arena, + SECItem *dbkey) +{ + unsigned int nnlen; + + nnlen = PORT_Strlen(nickname) + 1; /* includes null */ + + /* now get the database key and format it */ + dbkey->len = nnlen + SEC_DB_KEY_HEADER_LEN; + if (dbkey->len > NSS_MAX_LEGACY_DB_KEY_SIZE) + goto loser; + dbkey->data = (unsigned char *)PORT_ArenaAlloc(arena, dbkey->len); + if (dbkey->data == NULL) { + goto loser; + } + PORT_Memcpy(&dbkey->data[SEC_DB_KEY_HEADER_LEN], nickname, nnlen); + dbkey->data[0] = certDBEntryTypeNickname; + + return (SECSuccess); + +loser: + return (SECFailure); +} + +static SECStatus +DecodeDBNicknameEntry(certDBEntryNickname *entry, SECItem *dbentry, + char *nickname) +{ + int lenDiff; + + /* is record long enough for header? */ + if (dbentry->len < DB_NICKNAME_ENTRY_HEADER_LEN) { + PORT_SetError(SEC_ERROR_BAD_DATABASE); + goto loser; + } + + /* is database entry correct length? */ + entry->subjectName.len = ((dbentry->data[0] << 8) | dbentry->data[1]); + lenDiff = dbentry->len - + (entry->subjectName.len + DB_NICKNAME_ENTRY_HEADER_LEN); + if (lenDiff) { + if (lenDiff < 0 || (lenDiff & 0xffff) != 0) { + PORT_SetError(SEC_ERROR_BAD_DATABASE); + goto loser; + } + /* The entry size exceeded 64KB. Reconstruct the correct length. */ + entry->subjectName.len += lenDiff; + } + + /* copy the certkey */ + entry->subjectName.data = + (unsigned char *)PORT_ArenaAlloc(entry->common.arena, + entry->subjectName.len); + if (entry->subjectName.data == NULL) { + PORT_SetError(SEC_ERROR_NO_MEMORY); + goto loser; + } + PORT_Memcpy(entry->subjectName.data, + &dbentry->data[DB_NICKNAME_ENTRY_HEADER_LEN], + entry->subjectName.len); + entry->subjectName.type = siBuffer; + + entry->nickname = (char *)PORT_ArenaAlloc(entry->common.arena, + PORT_Strlen(nickname) + 1); + if (entry->nickname) { + PORT_Strcpy(entry->nickname, nickname); + } + + return (SECSuccess); + +loser: + return (SECFailure); +} + +/* + * create a new nickname entry + */ +static certDBEntryNickname * +NewDBNicknameEntry(char *nickname, SECItem *subjectName, unsigned int flags) +{ + PLArenaPool *arena = NULL; + certDBEntryNickname *entry; + int nnlen; + SECStatus rv; + + arena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE); + if (arena == NULL) { + PORT_SetError(SEC_ERROR_NO_MEMORY); + goto loser; + } + + entry = (certDBEntryNickname *)PORT_ArenaAlloc(arena, + sizeof(certDBEntryNickname)); + if (entry == NULL) { + PORT_SetError(SEC_ERROR_NO_MEMORY); + goto loser; + } + + /* init common fields */ + entry->common.arena = arena; + entry->common.type = certDBEntryTypeNickname; + entry->common.version = CERT_DB_FILE_VERSION; + entry->common.flags = flags; + + /* copy the nickname */ + nnlen = PORT_Strlen(nickname) + 1; + + entry->nickname = (char *)PORT_ArenaAlloc(arena, nnlen); + if (entry->nickname == NULL) { + goto loser; + } + + PORT_Memcpy(entry->nickname, nickname, nnlen); + + rv = SECITEM_CopyItem(arena, &entry->subjectName, subjectName); + if (rv != SECSuccess) { + goto loser; + } + + return (entry); +loser: + if (arena) { + PORT_FreeArena(arena, PR_FALSE); + } + + return (NULL); +} + +/* + * delete a nickname entry + */ +static SECStatus +DeleteDBNicknameEntry(NSSLOWCERTCertDBHandle *handle, char *nickname) +{ + PLArenaPool *arena = NULL; + SECStatus rv; + SECItem dbkey; + + if (nickname == NULL) { + return (SECSuccess); + } + + arena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE); + if (arena == NULL) { + goto loser; + } + + rv = EncodeDBNicknameKey(nickname, arena, &dbkey); + if (rv != SECSuccess) { + goto loser; + } + + rv = DeleteDBEntry(handle, certDBEntryTypeNickname, &dbkey); + if (rv == SECFailure) { + goto loser; + } + + PORT_FreeArena(arena, PR_FALSE); + return (SECSuccess); + +loser: + if (arena) { + PORT_FreeArena(arena, PR_FALSE); + } + + return (SECFailure); +} + +/* + * Read a nickname entry + */ +static certDBEntryNickname * +ReadDBNicknameEntry(NSSLOWCERTCertDBHandle *handle, char *nickname) +{ + PLArenaPool *arena = NULL; + PLArenaPool *tmparena = NULL; + certDBEntryNickname *entry; + SECItem dbkey; + SECItem dbentry; + SECStatus rv; + + arena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE); + if (arena == NULL) { + PORT_SetError(SEC_ERROR_NO_MEMORY); + goto loser; + } + + tmparena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE); + if (tmparena == NULL) { + PORT_SetError(SEC_ERROR_NO_MEMORY); + goto loser; + } + + entry = (certDBEntryNickname *)PORT_ArenaAlloc(arena, + sizeof(certDBEntryNickname)); + if (entry == NULL) { + PORT_SetError(SEC_ERROR_NO_MEMORY); + goto loser; + } + entry->common.arena = arena; + entry->common.type = certDBEntryTypeNickname; + + rv = EncodeDBNicknameKey(nickname, tmparena, &dbkey); + if (rv != SECSuccess) { + goto loser; + } + + rv = ReadDBEntry(handle, &entry->common, &dbkey, &dbentry, tmparena); + if (rv == SECFailure) { + goto loser; + } + + /* is record long enough for header? */ + if (dbentry.len < DB_NICKNAME_ENTRY_HEADER_LEN) { + PORT_SetError(SEC_ERROR_BAD_DATABASE); + goto loser; + } + + rv = DecodeDBNicknameEntry(entry, &dbentry, nickname); + if (rv != SECSuccess) { + goto loser; + } + + PORT_FreeArena(tmparena, PR_FALSE); + return (entry); + +loser: + if (tmparena) { + PORT_FreeArena(tmparena, PR_FALSE); + } + if (arena) { + PORT_FreeArena(arena, PR_FALSE); + } + + return (NULL); +} + +/* + * Encode a nickname entry into byte stream suitable for + * the database + */ +static SECStatus +WriteDBNicknameEntry(NSSLOWCERTCertDBHandle *handle, certDBEntryNickname *entry) +{ + SECItem dbitem, dbkey; + PLArenaPool *tmparena = NULL; + SECStatus rv; + + tmparena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE); + if (tmparena == NULL) { + goto loser; + } + + rv = EncodeDBNicknameEntry(entry, tmparena, &dbitem); + if (rv != SECSuccess) { + goto loser; + } + + rv = EncodeDBNicknameKey(entry->nickname, tmparena, &dbkey); + if (rv != SECSuccess) { + goto loser; + } + + /* now write it to the database */ + rv = WriteDBEntry(handle, &entry->common, &dbkey, &dbitem); + if (rv != SECSuccess) { + goto loser; + } + + PORT_FreeArena(tmparena, PR_FALSE); + return (SECSuccess); + +loser: + if (tmparena) { + PORT_FreeArena(tmparena, PR_FALSE); + } + return (SECFailure); +} + +static SECStatus +EncodeDBSMimeEntry(certDBEntrySMime *entry, PLArenaPool *arena, + SECItem *dbitem) +{ + unsigned char *buf; + + /* allocate space for encoded database record, including space + * for low level header + */ + dbitem->len = entry->subjectName.len + entry->smimeOptions.len + + entry->optionsDate.len + + DB_SMIME_ENTRY_HEADER_LEN + SEC_DB_ENTRY_HEADER_LEN; + + dbitem->data = (unsigned char *)PORT_ArenaAlloc(arena, dbitem->len); + if (dbitem->data == NULL) { + PORT_SetError(SEC_ERROR_NO_MEMORY); + goto loser; + } + + /* fill in database record */ + buf = &dbitem->data[SEC_DB_ENTRY_HEADER_LEN]; + + buf[0] = (PRUint8)(entry->subjectName.len >> 8); + buf[1] = (PRUint8)(entry->subjectName.len); + buf[2] = (PRUint8)(entry->smimeOptions.len >> 8); + buf[3] = (PRUint8)(entry->smimeOptions.len); + buf[4] = (PRUint8)(entry->optionsDate.len >> 8); + buf[5] = (PRUint8)(entry->optionsDate.len); + + /* if no smime options, then there should not be an options date either */ + PORT_Assert(!((entry->smimeOptions.len == 0) && + (entry->optionsDate.len != 0))); + + PORT_Memcpy(&buf[DB_SMIME_ENTRY_HEADER_LEN], entry->subjectName.data, + entry->subjectName.len); + if (entry->smimeOptions.len) { + PORT_Memcpy(&buf[DB_SMIME_ENTRY_HEADER_LEN + entry->subjectName.len], + entry->smimeOptions.data, + entry->smimeOptions.len); + PORT_Memcpy(&buf[DB_SMIME_ENTRY_HEADER_LEN + entry->subjectName.len + + entry->smimeOptions.len], + entry->optionsDate.data, + entry->optionsDate.len); + } + + return (SECSuccess); + +loser: + return (SECFailure); +} + +/* + * Encode a database key for a SMIME record + */ +static SECStatus +EncodeDBSMimeKey(char *emailAddr, PLArenaPool *arena, + SECItem *dbkey) +{ + unsigned int addrlen; + + addrlen = PORT_Strlen(emailAddr) + 1; /* includes null */ + + /* now get the database key and format it */ + dbkey->len = addrlen + SEC_DB_KEY_HEADER_LEN; + if (dbkey->len > NSS_MAX_LEGACY_DB_KEY_SIZE) + goto loser; + dbkey->data = (unsigned char *)PORT_ArenaAlloc(arena, dbkey->len); + if (dbkey->data == NULL) { + goto loser; + } + PORT_Memcpy(&dbkey->data[SEC_DB_KEY_HEADER_LEN], emailAddr, addrlen); + dbkey->data[0] = certDBEntryTypeSMimeProfile; + + return (SECSuccess); + +loser: + return (SECFailure); +} + +/* + * Decode a database SMIME record + */ +static SECStatus +DecodeDBSMimeEntry(certDBEntrySMime *entry, SECItem *dbentry, char *emailAddr) +{ + int lenDiff; + + /* is record long enough for header? */ + if (dbentry->len < DB_SMIME_ENTRY_HEADER_LEN) { + PORT_SetError(SEC_ERROR_BAD_DATABASE); + goto loser; + } + + /* is database entry correct length? */ + entry->subjectName.len = ((dbentry->data[0] << 8) | dbentry->data[1]); + entry->smimeOptions.len = ((dbentry->data[2] << 8) | dbentry->data[3]); + entry->optionsDate.len = ((dbentry->data[4] << 8) | dbentry->data[5]); + lenDiff = dbentry->len - (entry->subjectName.len + + entry->smimeOptions.len + + entry->optionsDate.len + + DB_SMIME_ENTRY_HEADER_LEN); + if (lenDiff) { + if (lenDiff < 0 || (lenDiff & 0xffff) != 0) { + PORT_SetError(SEC_ERROR_BAD_DATABASE); + goto loser; + } + /* The entry size exceeded 64KB. Reconstruct the correct length. */ + entry->subjectName.len += lenDiff; + } + + /* copy the subject name */ + entry->subjectName.data = + (unsigned char *)PORT_ArenaAlloc(entry->common.arena, + entry->subjectName.len); + if (entry->subjectName.data == NULL) { + PORT_SetError(SEC_ERROR_NO_MEMORY); + goto loser; + } + PORT_Memcpy(entry->subjectName.data, + &dbentry->data[DB_SMIME_ENTRY_HEADER_LEN], + entry->subjectName.len); + + /* copy the smime options */ + if (entry->smimeOptions.len) { + entry->smimeOptions.data = + (unsigned char *)PORT_ArenaAlloc(entry->common.arena, + entry->smimeOptions.len); + if (entry->smimeOptions.data == NULL) { + PORT_SetError(SEC_ERROR_NO_MEMORY); + goto loser; + } + PORT_Memcpy(entry->smimeOptions.data, + &dbentry->data[DB_SMIME_ENTRY_HEADER_LEN + + entry->subjectName.len], + entry->smimeOptions.len); + } + if (entry->optionsDate.len) { + entry->optionsDate.data = + (unsigned char *)PORT_ArenaAlloc(entry->common.arena, + entry->optionsDate.len); + if (entry->optionsDate.data == NULL) { + PORT_SetError(SEC_ERROR_NO_MEMORY); + goto loser; + } + PORT_Memcpy(entry->optionsDate.data, + &dbentry->data[DB_SMIME_ENTRY_HEADER_LEN + + entry->subjectName.len + + entry->smimeOptions.len], + entry->optionsDate.len); + } + + /* both options and options date must either exist or not exist */ + if (((entry->optionsDate.len == 0) || + (entry->smimeOptions.len == 0)) && + entry->smimeOptions.len != entry->optionsDate.len) { + PORT_SetError(SEC_ERROR_BAD_DATABASE); + goto loser; + } + + entry->emailAddr = (char *)PORT_ArenaAlloc(entry->common.arena, + PORT_Strlen(emailAddr) + 1); + if (entry->emailAddr) { + PORT_Strcpy(entry->emailAddr, emailAddr); + } + + return (SECSuccess); + +loser: + return (SECFailure); +} + +/* + * create a new SMIME entry + */ +static certDBEntrySMime * +NewDBSMimeEntry(char *emailAddr, SECItem *subjectName, SECItem *smimeOptions, + SECItem *optionsDate, unsigned int flags) +{ + PLArenaPool *arena = NULL; + certDBEntrySMime *entry; + int addrlen; + SECStatus rv; + + arena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE); + if (arena == NULL) { + PORT_SetError(SEC_ERROR_NO_MEMORY); + goto loser; + } + + entry = (certDBEntrySMime *)PORT_ArenaAlloc(arena, + sizeof(certDBEntrySMime)); + if (entry == NULL) { + PORT_SetError(SEC_ERROR_NO_MEMORY); + goto loser; + } + + /* init common fields */ + entry->common.arena = arena; + entry->common.type = certDBEntryTypeSMimeProfile; + entry->common.version = CERT_DB_FILE_VERSION; + entry->common.flags = flags; + + /* copy the email addr */ + addrlen = PORT_Strlen(emailAddr) + 1; + + entry->emailAddr = (char *)PORT_ArenaAlloc(arena, addrlen); + if (entry->emailAddr == NULL) { + goto loser; + } + + PORT_Memcpy(entry->emailAddr, emailAddr, addrlen); + + /* copy the subject name */ + rv = SECITEM_CopyItem(arena, &entry->subjectName, subjectName); + if (rv != SECSuccess) { + goto loser; + } + + /* copy the smime options */ + if (smimeOptions) { + rv = SECITEM_CopyItem(arena, &entry->smimeOptions, smimeOptions); + if (rv != SECSuccess) { + goto loser; + } + } else { + PORT_Assert(optionsDate == NULL); + entry->smimeOptions.data = NULL; + entry->smimeOptions.len = 0; + } + + /* copy the options date */ + if (optionsDate) { + rv = SECITEM_CopyItem(arena, &entry->optionsDate, optionsDate); + if (rv != SECSuccess) { + goto loser; + } + } else { + PORT_Assert(smimeOptions == NULL); + entry->optionsDate.data = NULL; + entry->optionsDate.len = 0; + } + + return (entry); +loser: + if (arena) { + PORT_FreeArena(arena, PR_FALSE); + } + + return (NULL); +} + +/* + * delete a SMIME entry + */ +static SECStatus +DeleteDBSMimeEntry(NSSLOWCERTCertDBHandle *handle, char *emailAddr) +{ + PLArenaPool *arena = NULL; + SECStatus rv; + SECItem dbkey; + + arena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE); + if (arena == NULL) { + goto loser; + } + + rv = EncodeDBSMimeKey(emailAddr, arena, &dbkey); + if (rv != SECSuccess) { + goto loser; + } + + rv = DeleteDBEntry(handle, certDBEntryTypeSMimeProfile, &dbkey); + if (rv == SECFailure) { + goto loser; + } + + PORT_FreeArena(arena, PR_FALSE); + return (SECSuccess); + +loser: + if (arena) { + PORT_FreeArena(arena, PR_FALSE); + } + + return (SECFailure); +} + +/* + * Read a SMIME entry + */ +certDBEntrySMime * +nsslowcert_ReadDBSMimeEntry(NSSLOWCERTCertDBHandle *handle, char *emailAddr) +{ + PLArenaPool *arena = NULL; + PLArenaPool *tmparena = NULL; + certDBEntrySMime *entry; + SECItem dbkey; + SECItem dbentry; + SECStatus rv; + + arena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE); + if (arena == NULL) { + PORT_SetError(SEC_ERROR_NO_MEMORY); + goto loser; + } + + tmparena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE); + if (tmparena == NULL) { + PORT_SetError(SEC_ERROR_NO_MEMORY); + goto loser; + } + + entry = (certDBEntrySMime *)PORT_ArenaAlloc(arena, + sizeof(certDBEntrySMime)); + if (entry == NULL) { + PORT_SetError(SEC_ERROR_NO_MEMORY); + goto loser; + } + entry->common.arena = arena; + entry->common.type = certDBEntryTypeSMimeProfile; + + rv = EncodeDBSMimeKey(emailAddr, tmparena, &dbkey); + if (rv != SECSuccess) { + goto loser; + } + + rv = ReadDBEntry(handle, &entry->common, &dbkey, &dbentry, tmparena); + if (rv == SECFailure) { + goto loser; + } + + /* is record long enough for header? */ + if (dbentry.len < DB_SMIME_ENTRY_HEADER_LEN) { + PORT_SetError(SEC_ERROR_BAD_DATABASE); + goto loser; + } + + rv = DecodeDBSMimeEntry(entry, &dbentry, emailAddr); + if (rv != SECSuccess) { + goto loser; + } + + PORT_FreeArena(tmparena, PR_FALSE); + return (entry); + +loser: + if (tmparena) { + PORT_FreeArena(tmparena, PR_FALSE); + } + if (arena) { + PORT_FreeArena(arena, PR_FALSE); + } + + return (NULL); +} + +/* + * Encode a SMIME entry into byte stream suitable for + * the database + */ +static SECStatus +WriteDBSMimeEntry(NSSLOWCERTCertDBHandle *handle, certDBEntrySMime *entry) +{ + SECItem dbitem, dbkey; + PLArenaPool *tmparena = NULL; + SECStatus rv; + + tmparena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE); + if (tmparena == NULL) { + goto loser; + } + + rv = EncodeDBSMimeEntry(entry, tmparena, &dbitem); + if (rv != SECSuccess) { + goto loser; + } + + rv = EncodeDBSMimeKey(entry->emailAddr, tmparena, &dbkey); + if (rv != SECSuccess) { + goto loser; + } + + /* now write it to the database */ + rv = WriteDBEntry(handle, &entry->common, &dbkey, &dbitem); + if (rv != SECSuccess) { + goto loser; + } + + PORT_FreeArena(tmparena, PR_FALSE); + return (SECSuccess); + +loser: + if (tmparena) { + PORT_FreeArena(tmparena, PR_FALSE); + } + return (SECFailure); +} + +/* + * Encode a database subject record + */ +static SECStatus +EncodeDBSubjectEntry(certDBEntrySubject *entry, PLArenaPool *arena, + SECItem *dbitem) +{ + unsigned char *buf; + int len; + unsigned int ncerts; + unsigned int i; + unsigned char *tmpbuf; + unsigned int nnlen = 0; + unsigned int eaddrslen = 0; + int keyidoff; + SECItem *certKeys = entry->certKeys; + SECItem *keyIDs = entry->keyIDs; + ; + + if (entry->nickname) { + nnlen = PORT_Strlen(entry->nickname) + 1; + } + if (entry->emailAddrs) { + eaddrslen = 2; + for (i = 0; i < entry->nemailAddrs; i++) { + eaddrslen += PORT_Strlen(entry->emailAddrs[i]) + 1 + 2; + } + } + + ncerts = entry->ncerts; + + /* compute the length of the entry */ + keyidoff = DB_SUBJECT_ENTRY_HEADER_LEN + nnlen; + len = keyidoff + (4 * ncerts) + eaddrslen; + for (i = 0; i < ncerts; i++) { + if (keyIDs[i].len > 0xffff || + (certKeys[i].len > 0xffff)) { + PORT_SetError(SEC_ERROR_INPUT_LEN); + goto loser; + } + len += certKeys[i].len; + len += keyIDs[i].len; + } + + /* allocate space for encoded database record, including space + * for low level header + */ + dbitem->len = len + SEC_DB_ENTRY_HEADER_LEN; + + dbitem->data = (unsigned char *)PORT_ArenaAlloc(arena, dbitem->len); + if (dbitem->data == NULL) { + PORT_SetError(SEC_ERROR_NO_MEMORY); + goto loser; + } + + /* fill in database record */ + buf = &dbitem->data[SEC_DB_ENTRY_HEADER_LEN]; + + buf[0] = (PRUint8)(ncerts >> 8); + buf[1] = (PRUint8)(ncerts); + buf[2] = (PRUint8)(nnlen >> 8); + buf[3] = (PRUint8)(nnlen); + /* v7 email field is NULL in v8 */ + buf[4] = 0; + buf[5] = 0; + + PORT_Assert(DB_SUBJECT_ENTRY_HEADER_LEN == 6); + + if (entry->nickname) { + PORT_Memcpy(&buf[DB_SUBJECT_ENTRY_HEADER_LEN], entry->nickname, nnlen); + } + tmpbuf = &buf[keyidoff]; + for (i = 0; i < ncerts; i++) { + tmpbuf[0] = (PRUint8)(certKeys[i].len >> 8); + tmpbuf[1] = (PRUint8)(certKeys[i].len); + tmpbuf += 2; + } + for (i = 0; i < ncerts; i++) { + tmpbuf[0] = (PRUint8)(keyIDs[i].len >> 8); + tmpbuf[1] = (PRUint8)(keyIDs[i].len); + tmpbuf += 2; + } + + for (i = 0; i < ncerts; i++) { + PORT_Memcpy(tmpbuf, certKeys[i].data, certKeys[i].len); + tmpbuf += certKeys[i].len; + } + for (i = 0; i < ncerts; i++) { + if (keyIDs[i].len) { + PORT_Memcpy(tmpbuf, keyIDs[i].data, keyIDs[i].len); + tmpbuf += keyIDs[i].len; + } + } + + if (entry->emailAddrs) { + tmpbuf[0] = (PRUint8)(entry->nemailAddrs >> 8); + tmpbuf[1] = (PRUint8)(entry->nemailAddrs); + tmpbuf += 2; + for (i = 0; i < entry->nemailAddrs; i++) { + int nameLen = PORT_Strlen(entry->emailAddrs[i]) + 1; + tmpbuf[0] = (PRUint8)(nameLen >> 8); + tmpbuf[1] = (PRUint8)(nameLen); + tmpbuf += 2; + PORT_Memcpy(tmpbuf, entry->emailAddrs[i], nameLen); + tmpbuf += nameLen; + } + } + + PORT_Assert(tmpbuf == &buf[len]); + + return (SECSuccess); + +loser: + return (SECFailure); +} + +/* + * Encode a database key for a subject record + */ +static SECStatus +EncodeDBSubjectKey(SECItem *derSubject, PLArenaPool *arena, + SECItem *dbkey) +{ + dbkey->len = derSubject->len + SEC_DB_KEY_HEADER_LEN; + if (dbkey->len > NSS_MAX_LEGACY_DB_KEY_SIZE) + goto loser; + dbkey->data = (unsigned char *)PORT_ArenaAlloc(arena, dbkey->len); + if (dbkey->data == NULL) { + goto loser; + } + PORT_Memcpy(&dbkey->data[SEC_DB_KEY_HEADER_LEN], derSubject->data, + derSubject->len); + dbkey->data[0] = certDBEntryTypeSubject; + + return (SECSuccess); + +loser: + return (SECFailure); +} + +static SECStatus +DecodeDBSubjectEntry(certDBEntrySubject *entry, SECItem *dbentry, + const SECItem *derSubject) +{ + PLArenaPool *arena = entry->common.arena; + unsigned char *tmpbuf; + unsigned char *end; + void *mark = PORT_ArenaMark(arena); + unsigned int eaddrlen; + unsigned int i; + unsigned int keyidoff; + unsigned int len; + unsigned int ncerts = 0; + unsigned int nnlen; + SECStatus rv; + + rv = SECITEM_CopyItem(arena, &entry->derSubject, derSubject); + if (rv != SECSuccess) { + goto loser; + } + + /* is record long enough for header? */ + if (dbentry->len < DB_SUBJECT_ENTRY_HEADER_LEN) { + PORT_SetError(SEC_ERROR_BAD_DATABASE); + goto loser; + } + + entry->ncerts = ncerts = ((dbentry->data[0] << 8) | dbentry->data[1]); + nnlen = ((dbentry->data[2] << 8) | dbentry->data[3]); + eaddrlen = ((dbentry->data[4] << 8) | dbentry->data[5]); + keyidoff = DB_SUBJECT_ENTRY_HEADER_LEN + nnlen + eaddrlen; + len = keyidoff + (4 * ncerts); + if (dbentry->len < len) { + PORT_SetError(SEC_ERROR_BAD_DATABASE); + goto loser; + } + + entry->certKeys = PORT_ArenaNewArray(arena, SECItem, ncerts); + entry->keyIDs = PORT_ArenaNewArray(arena, SECItem, ncerts); + if ((entry->certKeys == NULL) || (entry->keyIDs == NULL)) { + PORT_SetError(SEC_ERROR_NO_MEMORY); + goto loser; + } + + if (nnlen > 1) { /* null terminator is stored */ + entry->nickname = (char *)PORT_ArenaAlloc(arena, nnlen); + if (entry->nickname == NULL) { + PORT_SetError(SEC_ERROR_NO_MEMORY); + goto loser; + } + PORT_Memcpy(entry->nickname, + &dbentry->data[DB_SUBJECT_ENTRY_HEADER_LEN], + nnlen); + } else { + entry->nickname = NULL; + } + + /* if we have an old style email entry, there is only one */ + entry->nemailAddrs = 0; + if (eaddrlen > 1) { /* null terminator is stored */ + entry->emailAddrs = PORT_ArenaNewArray(arena, char *, 2); + if (entry->emailAddrs == NULL) { + PORT_SetError(SEC_ERROR_NO_MEMORY); + goto loser; + } + entry->emailAddrs[0] = (char *)PORT_ArenaAlloc(arena, eaddrlen); + if (entry->emailAddrs[0] == NULL) { + PORT_SetError(SEC_ERROR_NO_MEMORY); + goto loser; + } + PORT_Memcpy(entry->emailAddrs[0], + &dbentry->data[DB_SUBJECT_ENTRY_HEADER_LEN + nnlen], + eaddrlen); + entry->nemailAddrs = 1; + } else { + entry->emailAddrs = NULL; + } + + /* collect the lengths of the certKeys and keyIDs, and total the + * overall length. + */ + tmpbuf = &dbentry->data[keyidoff]; + for (i = 0; i < ncerts; i++) { + unsigned int itemlen = (tmpbuf[0] << 8) | tmpbuf[1]; + entry->certKeys[i].len = itemlen; + len += itemlen; + tmpbuf += 2; + } + for (i = 0; i < ncerts; i++) { + unsigned int itemlen = (tmpbuf[0] << 8) | tmpbuf[1]; + entry->keyIDs[i].len = itemlen; + len += itemlen; + tmpbuf += 2; + } + + /* is encoded entry large enough ? */ + if (len > dbentry->len) { + PORT_SetError(SEC_ERROR_BAD_DATABASE); + goto loser; + } + + for (i = 0; i < ncerts; i++) { + unsigned int kLen = entry->certKeys[i].len; + entry->certKeys[i].data = (unsigned char *)PORT_ArenaAlloc(arena, kLen); + if (entry->certKeys[i].data == NULL) { + PORT_SetError(SEC_ERROR_NO_MEMORY); + goto loser; + } + PORT_Memcpy(entry->certKeys[i].data, tmpbuf, kLen); + tmpbuf += kLen; + } + for (i = 0; i < ncerts; i++) { + unsigned int iLen = entry->keyIDs[i].len; + entry->keyIDs[i].data = (unsigned char *)PORT_ArenaAlloc(arena, iLen); + if (entry->keyIDs[i].data == NULL) { + PORT_SetError(SEC_ERROR_NO_MEMORY); + goto loser; + } + PORT_Memcpy(entry->keyIDs[i].data, tmpbuf, iLen); + tmpbuf += iLen; + } + + end = dbentry->data + dbentry->len; + if ((eaddrlen == 0) && (end - tmpbuf > 1)) { + /* read in the additional email addresses */ + entry->nemailAddrs = (((unsigned int)tmpbuf[0]) << 8) | tmpbuf[1]; + tmpbuf += 2; + if (end - tmpbuf < 2 * (int)entry->nemailAddrs) + goto loser; + entry->emailAddrs = PORT_ArenaNewArray(arena, char *, entry->nemailAddrs); + if (entry->emailAddrs == NULL) { + PORT_SetError(SEC_ERROR_NO_MEMORY); + goto loser; + } + for (i = 0; i < entry->nemailAddrs; i++) { + int nameLen; + if (end - tmpbuf < 2) { + goto loser; + } + nameLen = (((int)tmpbuf[0]) << 8) | tmpbuf[1]; + tmpbuf += 2; + if (end - tmpbuf < nameLen) { + goto loser; + } + entry->emailAddrs[i] = PORT_ArenaAlloc(arena, nameLen); + if (entry->emailAddrs == NULL) { + PORT_SetError(SEC_ERROR_NO_MEMORY); + goto loser; + } + PORT_Memcpy(entry->emailAddrs[i], tmpbuf, nameLen); + tmpbuf += nameLen; + } + if (tmpbuf != end) + goto loser; + } + PORT_ArenaUnmark(arena, mark); + return (SECSuccess); + +loser: + PORT_ArenaRelease(arena, mark); /* discard above allocations */ + return (SECFailure); +} + +/* + * create a new subject entry with a single cert + */ +static certDBEntrySubject * +NewDBSubjectEntry(SECItem *derSubject, SECItem *certKey, + SECItem *keyID, char *nickname, char *emailAddr, + unsigned int flags) +{ + PLArenaPool *arena = NULL; + certDBEntrySubject *entry; + SECStatus rv; + unsigned int nnlen; + + arena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE); + if (arena == NULL) { + PORT_SetError(SEC_ERROR_NO_MEMORY); + goto loser; + } + + entry = (certDBEntrySubject *)PORT_ArenaAlloc(arena, + sizeof(certDBEntrySubject)); + if (entry == NULL) { + PORT_SetError(SEC_ERROR_NO_MEMORY); + goto loser; + } + + /* init common fields */ + entry->common.arena = arena; + entry->common.type = certDBEntryTypeSubject; + entry->common.version = CERT_DB_FILE_VERSION; + entry->common.flags = flags; + + /* copy the subject */ + rv = SECITEM_CopyItem(arena, &entry->derSubject, derSubject); + if (rv != SECSuccess) { + goto loser; + } + + entry->ncerts = 1; + entry->nemailAddrs = 0; + /* copy nickname */ + if (nickname && (*nickname != '\0')) { + nnlen = PORT_Strlen(nickname) + 1; + entry->nickname = (char *)PORT_ArenaAlloc(arena, nnlen); + if (entry->nickname == NULL) { + goto loser; + } + + PORT_Memcpy(entry->nickname, nickname, nnlen); + } else { + entry->nickname = NULL; + } + + /* copy email addr */ + if (emailAddr && (*emailAddr != '\0')) { + emailAddr = nsslowcert_FixupEmailAddr(emailAddr); + if (emailAddr == NULL) { + entry->emailAddrs = NULL; + goto loser; + } + + entry->emailAddrs = (char **)PORT_ArenaAlloc(arena, sizeof(char *)); + if (entry->emailAddrs == NULL) { + PORT_Free(emailAddr); + goto loser; + } + entry->emailAddrs[0] = PORT_ArenaStrdup(arena, emailAddr); + if (entry->emailAddrs[0]) { + entry->nemailAddrs = 1; + } + + PORT_Free(emailAddr); + } else { + entry->emailAddrs = NULL; + } + + /* allocate space for certKeys and keyIDs */ + entry->certKeys = (SECItem *)PORT_ArenaAlloc(arena, sizeof(SECItem)); + entry->keyIDs = (SECItem *)PORT_ArenaAlloc(arena, sizeof(SECItem)); + if ((entry->certKeys == NULL) || (entry->keyIDs == NULL)) { + goto loser; + } + + /* copy the certKey and keyID */ + rv = SECITEM_CopyItem(arena, &entry->certKeys[0], certKey); + if (rv != SECSuccess) { + goto loser; + } + rv = SECITEM_CopyItem(arena, &entry->keyIDs[0], keyID); + if (rv != SECSuccess) { + goto loser; + } + + return (entry); +loser: + if (arena) { + PORT_FreeArena(arena, PR_FALSE); + } + + return (NULL); +} + +/* + * delete a subject entry + */ +static SECStatus +DeleteDBSubjectEntry(NSSLOWCERTCertDBHandle *handle, SECItem *derSubject) +{ + SECItem dbkey; + PLArenaPool *arena = NULL; + SECStatus rv; + + arena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE); + if (arena == NULL) { + goto loser; + } + + rv = EncodeDBSubjectKey(derSubject, arena, &dbkey); + if (rv != SECSuccess) { + goto loser; + } + + rv = DeleteDBEntry(handle, certDBEntryTypeSubject, &dbkey); + if (rv == SECFailure) { + goto loser; + } + + PORT_FreeArena(arena, PR_FALSE); + return (SECSuccess); + +loser: + if (arena) { + PORT_FreeArena(arena, PR_FALSE); + } + + return (SECFailure); +} + +/* + * Read the subject entry + */ +static certDBEntrySubject * +ReadDBSubjectEntry(NSSLOWCERTCertDBHandle *handle, SECItem *derSubject) +{ + /* |arena| isn't function-bounded, so cannot be a PORTCheapArenaPool. */ + PLArenaPool *arena = NULL; + PORTCheapArenaPool tmpArena; + + certDBEntrySubject *entry; + SECItem dbkey; + SECItem dbentry; + SECStatus rv; + + arena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE); + if (arena == NULL) { + PORT_SetError(SEC_ERROR_NO_MEMORY); + goto loser; + } + + PORT_InitCheapArena(&tmpArena, DER_DEFAULT_CHUNKSIZE); + + entry = (certDBEntrySubject *)PORT_ArenaAlloc(arena, + sizeof(certDBEntrySubject)); + if (entry == NULL) { + PORT_SetError(SEC_ERROR_NO_MEMORY); + goto loser; + } + entry->common.arena = arena; + entry->common.type = certDBEntryTypeSubject; + + rv = EncodeDBSubjectKey(derSubject, &tmpArena.arena, &dbkey); + if (rv != SECSuccess) { + goto loser; + } + + rv = ReadDBEntry(handle, &entry->common, &dbkey, &dbentry, &tmpArena.arena); + if (rv == SECFailure) { + goto loser; + } + + rv = DecodeDBSubjectEntry(entry, &dbentry, derSubject); + if (rv == SECFailure) { + goto loser; + } + + PORT_DestroyCheapArena(&tmpArena); + return (entry); + +loser: + PORT_DestroyCheapArena(&tmpArena); + if (arena) { + PORT_FreeArena(arena, PR_FALSE); + } + + return (NULL); +} + +/* + * Encode a subject name entry into byte stream suitable for + * the database + */ +static SECStatus +WriteDBSubjectEntry(NSSLOWCERTCertDBHandle *handle, certDBEntrySubject *entry) +{ + SECItem dbitem, dbkey; + PLArenaPool *tmparena = NULL; + SECStatus rv; + + tmparena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE); + if (tmparena == NULL) { + goto loser; + } + + rv = EncodeDBSubjectEntry(entry, tmparena, &dbitem); + if (rv != SECSuccess) { + goto loser; + } + + rv = EncodeDBSubjectKey(&entry->derSubject, tmparena, &dbkey); + if (rv != SECSuccess) { + goto loser; + } + + /* now write it to the database */ + rv = WriteDBEntry(handle, &entry->common, &dbkey, &dbitem); + if (rv != SECSuccess) { + goto loser; + } + + PORT_FreeArena(tmparena, PR_FALSE); + return (SECSuccess); + +loser: + if (tmparena) { + PORT_FreeArena(tmparena, PR_FALSE); + } + return (SECFailure); +} + +typedef enum { nsslowcert_remove, + nsslowcert_add } nsslowcertUpdateType; + +static SECStatus +nsslowcert_UpdateSubjectEmailAddr(NSSLOWCERTCertDBHandle *dbhandle, + SECItem *derSubject, char *emailAddr, nsslowcertUpdateType updateType) +{ + certDBEntrySubject *entry = NULL; + int index = -1, i; + SECStatus rv; + + if (emailAddr) { + emailAddr = nsslowcert_FixupEmailAddr(emailAddr); + if (emailAddr == NULL) { + return SECFailure; + } + } else { + return SECSuccess; + } + + entry = ReadDBSubjectEntry(dbhandle, derSubject); + if (entry == NULL) { + rv = SECFailure; + goto done; + } + + for (i = 0; i < (int)(entry->nemailAddrs); i++) { + if (PORT_Strcmp(entry->emailAddrs[i], emailAddr) == 0) { + index = i; + } + } + + if (updateType == nsslowcert_remove) { + if (index == -1) { + rv = SECSuccess; + goto done; + } + entry->nemailAddrs--; + for (i = index; i < (int)(entry->nemailAddrs); i++) { + entry->emailAddrs[i] = entry->emailAddrs[i + 1]; + } + } else { + char **newAddrs = NULL; + + if (index != -1) { + rv = SECSuccess; + goto done; + } + newAddrs = (char **)PORT_ArenaAlloc(entry->common.arena, + (entry->nemailAddrs + 1) * sizeof(char *)); + if (!newAddrs) { + rv = SECFailure; + goto done; + } + for (i = 0; i < (int)(entry->nemailAddrs); i++) { + newAddrs[i] = entry->emailAddrs[i]; + } + newAddrs[entry->nemailAddrs] = + PORT_ArenaStrdup(entry->common.arena, emailAddr); + if (!newAddrs[entry->nemailAddrs]) { + rv = SECFailure; + goto done; + } + entry->emailAddrs = newAddrs; + entry->nemailAddrs++; + } + + /* delete the subject entry */ + DeleteDBSubjectEntry(dbhandle, derSubject); + + /* write the new one */ + rv = WriteDBSubjectEntry(dbhandle, entry); + +done: + if (entry) + DestroyDBEntry((certDBEntry *)entry); + if (emailAddr) + PORT_Free(emailAddr); + return rv; +} + +/* + * writes a nickname to an existing subject entry that does not currently + * have one + */ +static SECStatus +AddNicknameToSubject(NSSLOWCERTCertDBHandle *dbhandle, + NSSLOWCERTCertificate *cert, char *nickname) +{ + certDBEntrySubject *entry; + SECStatus rv; + + if (nickname == NULL) { + return (SECFailure); + } + + entry = ReadDBSubjectEntry(dbhandle, &cert->derSubject); + PORT_Assert(entry != NULL); + if (entry == NULL) { + goto loser; + } + + PORT_Assert(entry->nickname == NULL); + if (entry->nickname != NULL) { + goto loser; + } + + entry->nickname = PORT_ArenaStrdup(entry->common.arena, nickname); + + if (entry->nickname == NULL) { + goto loser; + } + + /* delete the subject entry */ + DeleteDBSubjectEntry(dbhandle, &cert->derSubject); + + /* write the new one */ + rv = WriteDBSubjectEntry(dbhandle, entry); + if (rv != SECSuccess) { + goto loser; + } + + DestroyDBEntry((certDBEntry *)entry); + return (SECSuccess); + +loser: + DestroyDBEntry((certDBEntry *)entry); + return (SECFailure); +} + +/* + * create a new version entry + */ +static certDBEntryVersion * +NewDBVersionEntry(unsigned int flags) +{ + PLArenaPool *arena = NULL; + certDBEntryVersion *entry; + + arena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE); + if (arena == NULL) { + PORT_SetError(SEC_ERROR_NO_MEMORY); + goto loser; + } + + entry = (certDBEntryVersion *)PORT_ArenaAlloc(arena, + sizeof(certDBEntryVersion)); + if (entry == NULL) { + PORT_SetError(SEC_ERROR_NO_MEMORY); + goto loser; + } + entry->common.arena = arena; + entry->common.type = certDBEntryTypeVersion; + entry->common.version = CERT_DB_FILE_VERSION; + entry->common.flags = flags; + + return (entry); +loser: + if (arena) { + PORT_FreeArena(arena, PR_FALSE); + } + + return (NULL); +} + +/* + * Read the version entry + */ +static certDBEntryVersion * +ReadDBVersionEntry(NSSLOWCERTCertDBHandle *handle) +{ + PLArenaPool *arena = NULL; + PLArenaPool *tmparena = NULL; + certDBEntryVersion *entry; + SECItem dbkey; + SECItem dbentry; + SECStatus rv; + + arena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE); + if (arena == NULL) { + PORT_SetError(SEC_ERROR_NO_MEMORY); + goto loser; + } + + tmparena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE); + if (tmparena == NULL) { + PORT_SetError(SEC_ERROR_NO_MEMORY); + goto loser; + } + + entry = PORT_ArenaZNew(arena, certDBEntryVersion); + if (entry == NULL) { + PORT_SetError(SEC_ERROR_NO_MEMORY); + goto loser; + } + entry->common.arena = arena; + entry->common.type = certDBEntryTypeVersion; + + /* now get the database key and format it */ + dbkey.len = SEC_DB_VERSION_KEY_LEN + SEC_DB_KEY_HEADER_LEN; + dbkey.data = (unsigned char *)PORT_ArenaAlloc(tmparena, dbkey.len); + if (dbkey.data == NULL) { + goto loser; + } + PORT_Memcpy(&dbkey.data[SEC_DB_KEY_HEADER_LEN], SEC_DB_VERSION_KEY, + SEC_DB_VERSION_KEY_LEN); + + rv = ReadDBEntry(handle, &entry->common, &dbkey, &dbentry, tmparena); + if (rv != SECSuccess) { + goto loser; + } + + PORT_FreeArena(tmparena, PR_FALSE); + return (entry); + +loser: + if (tmparena) { + PORT_FreeArena(tmparena, PR_FALSE); + } + if (arena) { + PORT_FreeArena(arena, PR_FALSE); + } + + return (NULL); +} + +/* + * Encode a version entry into byte stream suitable for + * the database + */ +static SECStatus +WriteDBVersionEntry(NSSLOWCERTCertDBHandle *handle, certDBEntryVersion *entry) +{ + SECItem dbitem, dbkey; + PLArenaPool *tmparena = NULL; + SECStatus rv; + + tmparena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE); + if (tmparena == NULL) { + goto loser; + } + + /* allocate space for encoded database record, including space + * for low level header + */ + dbitem.len = SEC_DB_ENTRY_HEADER_LEN; + + dbitem.data = (unsigned char *)PORT_ArenaAlloc(tmparena, dbitem.len); + if (dbitem.data == NULL) { + PORT_SetError(SEC_ERROR_NO_MEMORY); + goto loser; + } + + /* now get the database key and format it */ + dbkey.len = SEC_DB_VERSION_KEY_LEN + SEC_DB_KEY_HEADER_LEN; + dbkey.data = (unsigned char *)PORT_ArenaAlloc(tmparena, dbkey.len); + if (dbkey.data == NULL) { + goto loser; + } + PORT_Memcpy(&dbkey.data[SEC_DB_KEY_HEADER_LEN], SEC_DB_VERSION_KEY, + SEC_DB_VERSION_KEY_LEN); + + /* now write it to the database */ + rv = WriteDBEntry(handle, &entry->common, &dbkey, &dbitem); + if (rv != SECSuccess) { + goto loser; + } + + PORT_FreeArena(tmparena, PR_FALSE); + return (SECSuccess); + +loser: + if (tmparena) { + PORT_FreeArena(tmparena, PR_FALSE); + } + return (SECFailure); +} + +/* + * cert is no longer a perm cert, but will remain a temp cert + */ +static SECStatus +RemovePermSubjectNode(NSSLOWCERTCertificate *cert) +{ + certDBEntrySubject *entry; + unsigned int i; + SECStatus rv; + + entry = ReadDBSubjectEntry(cert->dbhandle, &cert->derSubject); + if (entry == NULL) { + return (SECFailure); + } + + PORT_Assert(entry->ncerts); + rv = SECFailure; + + if (entry->ncerts > 1) { + for (i = 0; i < entry->ncerts; i++) { + if (SECITEM_CompareItem(&entry->certKeys[i], &cert->certKey) == + SECEqual) { + /* copy rest of list forward one entry */ + for (i = i + 1; i < entry->ncerts; i++) { + entry->certKeys[i - 1] = entry->certKeys[i]; + entry->keyIDs[i - 1] = entry->keyIDs[i]; + } + entry->ncerts--; + DeleteDBSubjectEntry(cert->dbhandle, &cert->derSubject); + rv = WriteDBSubjectEntry(cert->dbhandle, entry); + break; + } + } + } else { + /* no entries left, delete the perm entry in the DB */ + if (entry->emailAddrs) { + /* if the subject had an email record, then delete it too */ + for (i = 0; i < entry->nemailAddrs; i++) { + DeleteDBSMimeEntry(cert->dbhandle, entry->emailAddrs[i]); + } + } + if (entry->nickname) { + DeleteDBNicknameEntry(cert->dbhandle, entry->nickname); + } + + DeleteDBSubjectEntry(cert->dbhandle, &cert->derSubject); + } + DestroyDBEntry((certDBEntry *)entry); + + return (rv); +} + +/* + * add a cert to the perm subject list + */ +static SECStatus +AddPermSubjectNode(certDBEntrySubject *entry, NSSLOWCERTCertificate *cert, + char *nickname) +{ + SECItem *newCertKeys, *newKeyIDs; + unsigned int i, new_i; + SECStatus rv; + unsigned int ncerts; + + PORT_Assert(entry); + ncerts = entry->ncerts; + + if (nickname && entry->nickname) { + /* nicknames must be the same */ + PORT_Assert(PORT_Strcmp(nickname, entry->nickname) == 0); + } + + if ((entry->nickname == NULL) && (nickname != NULL)) { + /* copy nickname into the entry */ + entry->nickname = PORT_ArenaStrdup(entry->common.arena, nickname); + if (entry->nickname == NULL) { + return (SECFailure); + } + } + + /* a DB entry already exists, so add this cert */ + newCertKeys = PORT_ArenaZNewArray(entry->common.arena, SECItem, ncerts + 1); + newKeyIDs = PORT_ArenaZNewArray(entry->common.arena, SECItem, ncerts + 1); + + if ((newCertKeys == NULL) || (newKeyIDs == NULL)) { + return (SECFailure); + } + + /* Step 1: copy certs older than "cert" into new entry. */ + for (i = 0, new_i = 0; i < ncerts; i++) { + NSSLOWCERTCertificate *cmpcert; + PRBool isNewer; + cmpcert = nsslowcert_FindCertByKey(cert->dbhandle, + &entry->certKeys[i]); + /* The entry has been corrupted, remove it from the list */ + if (!cmpcert) { + continue; + } + + isNewer = nsslowcert_IsNewer(cert, cmpcert); + nsslowcert_DestroyCertificate(cmpcert); + if (isNewer) + break; + /* copy this cert entry */ + newCertKeys[new_i] = entry->certKeys[i]; + newKeyIDs[new_i] = entry->keyIDs[i]; + new_i++; + } + + /* Step 2: Add "cert" to the entry. */ + rv = SECITEM_CopyItem(entry->common.arena, &newCertKeys[new_i], + &cert->certKey); + if (rv != SECSuccess) { + return (SECFailure); + } + rv = SECITEM_CopyItem(entry->common.arena, &newKeyIDs[new_i], + &cert->subjectKeyID); + if (rv != SECSuccess) { + return (SECFailure); + } + new_i++; + + /* Step 3: copy remaining certs (if any) from old entry to new. */ + for (; i < ncerts; i++, new_i++) { + newCertKeys[new_i] = entry->certKeys[i]; + newKeyIDs[new_i] = entry->keyIDs[i]; + } + + /* update certKeys and keyIDs */ + entry->certKeys = newCertKeys; + entry->keyIDs = newKeyIDs; + + /* set new count value */ + entry->ncerts = new_i; + + DeleteDBSubjectEntry(cert->dbhandle, &cert->derSubject); + rv = WriteDBSubjectEntry(cert->dbhandle, entry); + return (rv); +} + +SECStatus +nsslowcert_TraversePermCertsForSubject(NSSLOWCERTCertDBHandle *handle, + SECItem *derSubject, + NSSLOWCERTCertCallback cb, void *cbarg) +{ + certDBEntrySubject *entry; + unsigned int i; + NSSLOWCERTCertificate *cert; + SECStatus rv = SECSuccess; + + entry = ReadDBSubjectEntry(handle, derSubject); + + if (entry == NULL) { + return (SECFailure); + } + + for (i = 0; i < entry->ncerts; i++) { + cert = nsslowcert_FindCertByKey(handle, &entry->certKeys[i]); + if (!cert) { + continue; + } + rv = (*cb)(cert, cbarg); + nsslowcert_DestroyCertificate(cert); + if (rv == SECFailure) { + break; + } + } + + DestroyDBEntry((certDBEntry *)entry); + + return (rv); +} + +int +nsslowcert_NumPermCertsForSubject(NSSLOWCERTCertDBHandle *handle, + SECItem *derSubject) +{ + certDBEntrySubject *entry; + int ret; + + entry = ReadDBSubjectEntry(handle, derSubject); + + if (entry == NULL) { + return (SECFailure); + } + + ret = entry->ncerts; + + DestroyDBEntry((certDBEntry *)entry); + + return (ret); +} + +SECStatus +nsslowcert_TraversePermCertsForNickname(NSSLOWCERTCertDBHandle *handle, + char *nickname, NSSLOWCERTCertCallback cb, void *cbarg) +{ + certDBEntryNickname *nnentry = NULL; + certDBEntrySMime *smentry = NULL; + SECStatus rv; + SECItem *derSubject = NULL; + + nnentry = ReadDBNicknameEntry(handle, nickname); + if (nnentry) { + derSubject = &nnentry->subjectName; + } else { + smentry = nsslowcert_ReadDBSMimeEntry(handle, nickname); + if (smentry) { + derSubject = &smentry->subjectName; + } + } + + if (derSubject) { + rv = nsslowcert_TraversePermCertsForSubject(handle, derSubject, + cb, cbarg); + } else { + rv = SECFailure; + } + + if (nnentry) { + DestroyDBEntry((certDBEntry *)nnentry); + } + if (smentry) { + DestroyDBEntry((certDBEntry *)smentry); + } + + return (rv); +} + +int +nsslowcert_NumPermCertsForNickname(NSSLOWCERTCertDBHandle *handle, + char *nickname) +{ + certDBEntryNickname *entry; + int ret; + + entry = ReadDBNicknameEntry(handle, nickname); + + if (entry) { + ret = nsslowcert_NumPermCertsForSubject(handle, &entry->subjectName); + DestroyDBEntry((certDBEntry *)entry); + } else { + ret = 0; + } + return (ret); +} + +/* + * add a nickname to a cert that doesn't have one + */ +static SECStatus +AddNicknameToPermCert(NSSLOWCERTCertDBHandle *dbhandle, + NSSLOWCERTCertificate *cert, char *nickname) +{ + certDBEntryCert *entry; + int rv; + + entry = cert->dbEntry; + PORT_Assert(entry != NULL); + if (entry == NULL) { + goto loser; + } + + pkcs11_freeNickname(entry->nickname, entry->nicknameSpace); + entry->nickname = NULL; + entry->nickname = pkcs11_copyNickname(nickname, entry->nicknameSpace, + sizeof(entry->nicknameSpace)); + + rv = WriteDBCertEntry(dbhandle, entry); + if (rv) { + goto loser; + } + + pkcs11_freeNickname(cert->nickname, cert->nicknameSpace); + cert->nickname = NULL; + cert->nickname = pkcs11_copyNickname(nickname, cert->nicknameSpace, + sizeof(cert->nicknameSpace)); + + return (SECSuccess); + +loser: + return (SECFailure); +} + +/* + * add a nickname to a cert that is already in the perm database, but doesn't + * have one yet (it is probably an e-mail cert). + */ +SECStatus +nsslowcert_AddPermNickname(NSSLOWCERTCertDBHandle *dbhandle, + NSSLOWCERTCertificate *cert, char *nickname) +{ + SECStatus rv = SECFailure; + certDBEntrySubject *entry = NULL; + certDBEntryNickname *nicknameEntry = NULL; + + nsslowcert_LockDB(dbhandle); + + entry = ReadDBSubjectEntry(dbhandle, &cert->derSubject); + if (entry == NULL) + goto loser; + + if (entry->nickname == NULL) { + + /* no nickname for subject */ + rv = AddNicknameToSubject(dbhandle, cert, nickname); + if (rv != SECSuccess) { + goto loser; + } + rv = AddNicknameToPermCert(dbhandle, cert, nickname); + if (rv != SECSuccess) { + goto loser; + } + nicknameEntry = NewDBNicknameEntry(nickname, &cert->derSubject, 0); + if (nicknameEntry == NULL) { + goto loser; + } + + rv = WriteDBNicknameEntry(dbhandle, nicknameEntry); + if (rv != SECSuccess) { + goto loser; + } + } else { + /* subject already has a nickname */ + rv = AddNicknameToPermCert(dbhandle, cert, entry->nickname); + if (rv != SECSuccess) { + goto loser; + } + /* make sure nickname entry exists. If the database was corrupted, + * we may have lost the nickname entry. Add it back now */ + nicknameEntry = ReadDBNicknameEntry(dbhandle, entry->nickname); + if (nicknameEntry == NULL) { + nicknameEntry = NewDBNicknameEntry(entry->nickname, + &cert->derSubject, 0); + if (nicknameEntry == NULL) { + goto loser; + } + + rv = WriteDBNicknameEntry(dbhandle, nicknameEntry); + if (rv != SECSuccess) { + goto loser; + } + } + } + rv = SECSuccess; + +loser: + if (entry) { + DestroyDBEntry((certDBEntry *)entry); + } + if (nicknameEntry) { + DestroyDBEntry((certDBEntry *)nicknameEntry); + } + nsslowcert_UnlockDB(dbhandle); + return (rv); +} + +static certDBEntryCert * +AddCertToPermDB(NSSLOWCERTCertDBHandle *handle, NSSLOWCERTCertificate *cert, + char *nickname, NSSLOWCERTCertTrust *trust) +{ + certDBEntryCert *certEntry = NULL; + certDBEntryNickname *nicknameEntry = NULL; + certDBEntrySubject *subjectEntry = NULL; + int state = 0; + SECStatus rv; + PRBool donnentry = PR_FALSE; + + if (nickname) { + donnentry = PR_TRUE; + } + + subjectEntry = ReadDBSubjectEntry(handle, &cert->derSubject); + + if (subjectEntry && subjectEntry->nickname) { + donnentry = PR_FALSE; + nickname = subjectEntry->nickname; + } + + certEntry = NewDBCertEntry(&cert->derCert, nickname, trust, 0); + if (certEntry == NULL) { + goto loser; + } + + if (donnentry) { + nicknameEntry = NewDBNicknameEntry(nickname, &cert->derSubject, 0); + if (nicknameEntry == NULL) { + goto loser; + } + } + + rv = WriteDBCertEntry(handle, certEntry); + if (rv != SECSuccess) { + goto loser; + } + state = 1; + + if (nicknameEntry) { + rv = WriteDBNicknameEntry(handle, nicknameEntry); + if (rv != SECSuccess) { + goto loser; + } + } + + state = 2; + + /* "Change" handles if necessary */ + cert->dbhandle = handle; + + /* add to or create new subject entry */ + if (subjectEntry) { + /* REWRITE BASED ON SUBJECT ENTRY */ + rv = AddPermSubjectNode(subjectEntry, cert, nickname); + if (rv != SECSuccess) { + goto loser; + } + } else { + /* make a new subject entry - this case is only used when updating + * an old version of the database. This is OK because the oldnickname + * db format didn't allow multiple certs with the same subject. + */ + /* where does subjectKeyID and certKey come from? */ + subjectEntry = NewDBSubjectEntry(&cert->derSubject, &cert->certKey, + &cert->subjectKeyID, nickname, + NULL, 0); + if (subjectEntry == NULL) { + goto loser; + } + rv = WriteDBSubjectEntry(handle, subjectEntry); + if (rv != SECSuccess) { + goto loser; + } + } + + state = 3; + + if (nicknameEntry) { + DestroyDBEntry((certDBEntry *)nicknameEntry); + } + + if (subjectEntry) { + DestroyDBEntry((certDBEntry *)subjectEntry); + } + + return (certEntry); + +loser: + /* don't leave partial entry in the database */ + if (state > 0) { + DeleteDBCertEntry(handle, &cert->certKey); + } + if ((state > 1) && donnentry) { + DeleteDBNicknameEntry(handle, nickname); + } + if (certEntry) { + DestroyDBEntry((certDBEntry *)certEntry); + } + if (nicknameEntry) { + DestroyDBEntry((certDBEntry *)nicknameEntry); + } + if (subjectEntry) { + DestroyDBEntry((certDBEntry *)subjectEntry); + } + + return (NULL); +} + +/* forward declaration */ +static SECStatus +UpdateV7DB(NSSLOWCERTCertDBHandle *handle, DB *updatedb); + +/* + * version 8 uses the same schema as version 7. The only differences are + * 1) version 8 db uses the blob shim to store data entries > 32k. + * 2) version 8 db sets the db block size to 32k. + * both of these are dealt with by the handle. + */ + +static SECStatus +UpdateV8DB(NSSLOWCERTCertDBHandle *handle, DB *updatedb) +{ + return UpdateV7DB(handle, updatedb); +} + +/* + * we could just blindly sequence through reading key data pairs and writing + * them back out, but some cert.db's have gotten quite large and may have some + * subtle corruption problems, so instead we cycle through the certs and + * CRL's and S/MIME profiles and rebuild our subject lists from those records. + */ +static SECStatus +UpdateV7DB(NSSLOWCERTCertDBHandle *handle, DB *updatedb) +{ + DBT key, data; + int ret; + NSSLOWCERTCertificate *cert; + PRBool isKRL = PR_FALSE; + certDBEntryType entryType; + SECItem dbEntry, dbKey; + certDBEntryRevocation crlEntry; + certDBEntryCert certEntry; + certDBEntrySMime smimeEntry; + SECStatus rv; + + ret = (*updatedb->seq)(updatedb, &key, &data, R_FIRST); + + if (ret) { + return (SECFailure); + } + + do { + unsigned char *dataBuf = (unsigned char *)data.data; + unsigned char *keyBuf = (unsigned char *)key.data; + dbEntry.data = &dataBuf[SEC_DB_ENTRY_HEADER_LEN]; + dbEntry.len = data.size - SEC_DB_ENTRY_HEADER_LEN; + entryType = (certDBEntryType)keyBuf[0]; + dbKey.data = &keyBuf[SEC_DB_KEY_HEADER_LEN]; + dbKey.len = key.size - SEC_DB_KEY_HEADER_LEN; + if ((dbEntry.len <= 0) || (dbKey.len <= 0)) { + continue; + } + + switch (entryType) { + /* these entries will get regenerated as we read the + * rest of the data from the database */ + case certDBEntryTypeVersion: + case certDBEntryTypeSubject: + case certDBEntryTypeContentVersion: + case certDBEntryTypeNickname: + /* smime profiles need entries created after the certs have + * been imported, loop over them in a second run */ + case certDBEntryTypeSMimeProfile: + break; + + case certDBEntryTypeCert: + /* decode Entry */ + certEntry.common.version = (unsigned int)dataBuf[0]; + certEntry.common.type = entryType; + certEntry.common.flags = (unsigned int)dataBuf[2]; + rv = DecodeDBCertEntry(&certEntry, &dbEntry); + if (rv != SECSuccess) { + break; + } + /* should we check for existing duplicates? */ + cert = nsslowcert_DecodeDERCertificate(&certEntry.derCert, + certEntry.nickname); + if (cert) { + nsslowcert_UpdatePermCert(handle, cert, certEntry.nickname, + &certEntry.trust); + nsslowcert_DestroyCertificate(cert); + } + /* free any data the decode may have allocated. */ + pkcs11_freeStaticData(certEntry.derCert.data, + certEntry.derCertSpace); + pkcs11_freeNickname(certEntry.nickname, certEntry.nicknameSpace); + break; + + case certDBEntryTypeKeyRevocation: + isKRL = PR_TRUE; + /* fall through */ + case certDBEntryTypeRevocation: + crlEntry.common.version = (unsigned int)dataBuf[0]; + crlEntry.common.type = entryType; + crlEntry.common.flags = (unsigned int)dataBuf[2]; + crlEntry.common.arena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE); + if (crlEntry.common.arena == NULL) { + break; + } + rv = DecodeDBCrlEntry(&crlEntry, &dbEntry); + if (rv != SECSuccess) { + break; + } + nsslowcert_UpdateCrl(handle, &crlEntry.derCrl, &dbKey, + crlEntry.url, isKRL); + /* free data allocated by the decode */ + PORT_FreeArena(crlEntry.common.arena, PR_FALSE); + crlEntry.common.arena = NULL; + break; + + default: + break; + } + } while ((*updatedb->seq)(updatedb, &key, &data, R_NEXT) == 0); + + /* now loop again updating just the SMimeProfile. */ + ret = (*updatedb->seq)(updatedb, &key, &data, R_FIRST); + + if (ret) { + return (SECFailure); + } + + do { + unsigned char *dataBuf = (unsigned char *)data.data; + unsigned char *keyBuf = (unsigned char *)key.data; + dbEntry.data = &dataBuf[SEC_DB_ENTRY_HEADER_LEN]; + dbEntry.len = data.size - SEC_DB_ENTRY_HEADER_LEN; + entryType = (certDBEntryType)keyBuf[0]; + if (entryType != certDBEntryTypeSMimeProfile) { + continue; + } + dbKey.data = &keyBuf[SEC_DB_KEY_HEADER_LEN]; + dbKey.len = key.size - SEC_DB_KEY_HEADER_LEN; + if ((dbEntry.len <= 0) || (dbKey.len <= 0)) { + continue; + } + smimeEntry.common.version = (unsigned int)dataBuf[0]; + smimeEntry.common.type = entryType; + smimeEntry.common.flags = (unsigned int)dataBuf[2]; + smimeEntry.common.arena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE); + /* decode entry */ + rv = DecodeDBSMimeEntry(&smimeEntry, &dbEntry, (char *)dbKey.data); + if (rv == SECSuccess) { + nsslowcert_UpdateSMimeProfile(handle, smimeEntry.emailAddr, + &smimeEntry.subjectName, &smimeEntry.smimeOptions, + &smimeEntry.optionsDate); + } + PORT_FreeArena(smimeEntry.common.arena, PR_FALSE); + smimeEntry.common.arena = NULL; + } while ((*updatedb->seq)(updatedb, &key, &data, R_NEXT) == 0); + + (*updatedb->close)(updatedb); + + /* a database update is a good time to go back and verify the integrity of + * the keys and certs */ + handle->dbVerify = PR_TRUE; + return (SECSuccess); +} + +/* + * NOTE - Version 6 DB did not go out to the real world in a release, + * so we can remove this function in a later release. + */ +static SECStatus +UpdateV6DB(NSSLOWCERTCertDBHandle *handle, DB *updatedb) +{ + int ret; + DBT key, data; + unsigned char *buf, *tmpbuf = NULL; + certDBEntryType type; + certDBEntryNickname *nnEntry = NULL; + certDBEntrySubject *subjectEntry = NULL; + certDBEntrySMime *emailEntry = NULL; + char *nickname; + char *emailAddr; + + /* + * Sequence through the old database and copy all of the entries + * to the new database. Subject name entries will have the new + * fields inserted into them (with zero length). + */ + ret = (*updatedb->seq)(updatedb, &key, &data, R_FIRST); + if (ret) { + return (SECFailure); + } + + do { + buf = (unsigned char *)data.data; + + if (data.size >= 3) { + if (buf[0] == 6) { /* version number */ + type = (certDBEntryType)buf[1]; + if (type == certDBEntryTypeSubject) { + /* expando subjecto entrieo */ + tmpbuf = (unsigned char *)PORT_Alloc(data.size + 4); + if (tmpbuf) { + /* copy header stuff */ + PORT_Memcpy(tmpbuf, buf, SEC_DB_ENTRY_HEADER_LEN + 2); + /* insert 4 more bytes of zero'd header */ + PORT_Memset(&tmpbuf[SEC_DB_ENTRY_HEADER_LEN + 2], + 0, 4); + /* copy rest of the data */ + PORT_Memcpy(&tmpbuf[SEC_DB_ENTRY_HEADER_LEN + 6], + &buf[SEC_DB_ENTRY_HEADER_LEN + 2], + data.size - (SEC_DB_ENTRY_HEADER_LEN + 2)); + + data.data = (void *)tmpbuf; + data.size += 4; + buf = tmpbuf; + } + } else if (type == certDBEntryTypeCert) { + /* expando certo entrieo */ + tmpbuf = (unsigned char *)PORT_Alloc(data.size + 3); + if (tmpbuf) { + /* copy header stuff */ + PORT_Memcpy(tmpbuf, buf, SEC_DB_ENTRY_HEADER_LEN); + + /* copy trust flage, setting msb's to 0 */ + tmpbuf[SEC_DB_ENTRY_HEADER_LEN] = 0; + tmpbuf[SEC_DB_ENTRY_HEADER_LEN + 1] = + buf[SEC_DB_ENTRY_HEADER_LEN]; + tmpbuf[SEC_DB_ENTRY_HEADER_LEN + 2] = 0; + tmpbuf[SEC_DB_ENTRY_HEADER_LEN + 3] = + buf[SEC_DB_ENTRY_HEADER_LEN + 1]; + tmpbuf[SEC_DB_ENTRY_HEADER_LEN + 4] = 0; + tmpbuf[SEC_DB_ENTRY_HEADER_LEN + 5] = + buf[SEC_DB_ENTRY_HEADER_LEN + 2]; + + /* copy rest of the data */ + PORT_Memcpy(&tmpbuf[SEC_DB_ENTRY_HEADER_LEN + 6], + &buf[SEC_DB_ENTRY_HEADER_LEN + 3], + data.size - (SEC_DB_ENTRY_HEADER_LEN + 3)); + + data.data = (void *)tmpbuf; + data.size += 3; + buf = tmpbuf; + } + } + + /* update the record version number */ + buf[0] = CERT_DB_FILE_VERSION; + + /* copy to the new database */ + ret = certdb_Put(handle->permCertDB, &key, &data, 0); + if (tmpbuf) { + PORT_Free(tmpbuf); + tmpbuf = NULL; + } + if (ret) { + return SECFailure; + } + } + } + } while ((*updatedb->seq)(updatedb, &key, &data, R_NEXT) == 0); + + ret = certdb_Sync(handle->permCertDB, 0); + if (ret) { + return SECFailure; + } + + ret = (*updatedb->seq)(updatedb, &key, &data, R_FIRST); + if (ret) { + return (SECFailure); + } + + do { + buf = (unsigned char *)data.data; + + if (data.size >= 3) { + if (buf[0] == CERT_DB_FILE_VERSION) { /* version number */ + type = (certDBEntryType)buf[1]; + if (type == certDBEntryTypeNickname) { + nickname = &((char *)key.data)[1]; + + /* get the matching nickname entry in the new DB */ + nnEntry = ReadDBNicknameEntry(handle, nickname); + if (nnEntry == NULL) { + goto endloop; + } + + /* find the subject entry pointed to by nickname */ + subjectEntry = ReadDBSubjectEntry(handle, + &nnEntry->subjectName); + if (subjectEntry == NULL) { + goto endloop; + } + + subjectEntry->nickname = + (char *)PORT_ArenaAlloc(subjectEntry->common.arena, + key.size - 1); + if (subjectEntry->nickname) { + PORT_Memcpy(subjectEntry->nickname, nickname, + key.size - 1); + (void)WriteDBSubjectEntry(handle, subjectEntry); + } + } else if (type == certDBEntryTypeSMimeProfile) { + emailAddr = &((char *)key.data)[1]; + + /* get the matching smime entry in the new DB */ + emailEntry = nsslowcert_ReadDBSMimeEntry(handle, emailAddr); + if (emailEntry == NULL) { + goto endloop; + } + + /* find the subject entry pointed to by nickname */ + subjectEntry = ReadDBSubjectEntry(handle, + &emailEntry->subjectName); + if (subjectEntry == NULL) { + goto endloop; + } + + subjectEntry->emailAddrs = (char **) + PORT_ArenaAlloc(subjectEntry->common.arena, + sizeof(char *)); + if (subjectEntry->emailAddrs) { + subjectEntry->emailAddrs[0] = + (char *)PORT_ArenaAlloc(subjectEntry->common.arena, + key.size - 1); + if (subjectEntry->emailAddrs[0]) { + PORT_Memcpy(subjectEntry->emailAddrs[0], emailAddr, + key.size - 1); + subjectEntry->nemailAddrs = 1; + (void)WriteDBSubjectEntry(handle, subjectEntry); + } + } + } + + endloop: + if (subjectEntry) { + DestroyDBEntry((certDBEntry *)subjectEntry); + subjectEntry = NULL; + } + if (nnEntry) { + DestroyDBEntry((certDBEntry *)nnEntry); + nnEntry = NULL; + } + if (emailEntry) { + DestroyDBEntry((certDBEntry *)emailEntry); + emailEntry = NULL; + } + } + } + } while ((*updatedb->seq)(updatedb, &key, &data, R_NEXT) == 0); + + ret = certdb_Sync(handle->permCertDB, 0); + if (ret) { + return SECFailure; + } + + (*updatedb->close)(updatedb); + return (SECSuccess); +} + +static SECStatus +updateV5Callback(NSSLOWCERTCertificate *cert, SECItem *k, void *pdata) +{ + NSSLOWCERTCertDBHandle *handle; + certDBEntryCert *entry; + NSSLOWCERTCertTrust *trust; + + handle = (NSSLOWCERTCertDBHandle *)pdata; + trust = &cert->dbEntry->trust; + + /* SSL user certs can be used for email if they have an email addr */ + if (cert->emailAddr && (trust->sslFlags & CERTDB_USER) && + (trust->emailFlags == 0)) { + trust->emailFlags = CERTDB_USER; + } + /* servers didn't set the user flags on the server cert.. */ + if (PORT_Strcmp(cert->dbEntry->nickname, "Server-Cert") == 0) { + trust->sslFlags |= CERTDB_USER; + } + + entry = AddCertToPermDB(handle, cert, cert->dbEntry->nickname, + &cert->dbEntry->trust); + if (entry) { + DestroyDBEntry((certDBEntry *)entry); + } + + return (SECSuccess); +} + +static SECStatus +UpdateV5DB(NSSLOWCERTCertDBHandle *handle, DB *updatedb) +{ + NSSLOWCERTCertDBHandle updatehandle; + + updatehandle.permCertDB = updatedb; + updatehandle.dbMon = PZ_NewMonitor(nssILockCertDB); + updatehandle.dbVerify = 0; + updatehandle.ref = 1; /* prevent premature close */ + + (void)nsslowcert_TraversePermCerts(&updatehandle, updateV5Callback, + (void *)handle); + + PZ_DestroyMonitor(updatehandle.dbMon); + + (*updatedb->close)(updatedb); + return (SECSuccess); +} + +static PRBool +isV4DB(DB *db) +{ + DBT key, data; + int ret; + + key.data = "Version"; + key.size = 7; + + ret = (*db->get)(db, &key, &data, 0); + if (ret) { + return PR_FALSE; + } + + if ((data.size == 1) && (*(unsigned char *)data.data <= 4)) { + return PR_TRUE; + } + + return PR_FALSE; +} + +static SECStatus +UpdateV4DB(NSSLOWCERTCertDBHandle *handle, DB *updatedb) +{ + DBT key, data; + certDBEntryCert *entry, *entry2; + int ret; + NSSLOWCERTCertificate *cert; + + ret = (*updatedb->seq)(updatedb, &key, &data, R_FIRST); + + if (ret) { + return (SECFailure); + } + + do { + if (data.size != 1) { /* skip version number */ + + /* decode the old DB entry */ + entry = (certDBEntryCert *) + DecodeV4DBCertEntry((unsigned char *)data.data, data.size); + + if (entry) { + cert = nsslowcert_DecodeDERCertificate(&entry->derCert, + entry->nickname); + + if (cert != NULL) { + /* add to new database */ + entry2 = AddCertToPermDB(handle, cert, entry->nickname, + &entry->trust); + + nsslowcert_DestroyCertificate(cert); + if (entry2) { + DestroyDBEntry((certDBEntry *)entry2); + } + } + DestroyDBEntry((certDBEntry *)entry); + } + } + } while ((*updatedb->seq)(updatedb, &key, &data, R_NEXT) == 0); + + (*updatedb->close)(updatedb); + return (SECSuccess); +} + +/* + * return true if a database key conflict exists + */ +PRBool +nsslowcert_CertDBKeyConflict(SECItem *derCert, NSSLOWCERTCertDBHandle *handle) +{ + SECStatus rv; + DBT tmpdata; + DBT namekey; + int ret; + SECItem keyitem; + PLArenaPool *arena = NULL; + SECItem derKey; + + arena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE); + if (arena == NULL) { + goto loser; + } + + /* get the db key of the cert */ + rv = nsslowcert_KeyFromDERCert(arena, derCert, &derKey); + if (rv != SECSuccess) { + goto loser; + } + + rv = EncodeDBCertKey(&derKey, arena, &keyitem); + if (rv != SECSuccess) { + goto loser; + } + + namekey.data = keyitem.data; + namekey.size = keyitem.len; + + ret = certdb_Get(handle->permCertDB, &namekey, &tmpdata, 0); + if (ret == 0) { + goto loser; + } + + PORT_FreeArena(arena, PR_FALSE); + + return (PR_FALSE); +loser: + if (arena) { + PORT_FreeArena(arena, PR_FALSE); + } + + return (PR_TRUE); +} + +/* + * return true if a nickname conflict exists + * NOTE: caller must have already made sure that this exact cert + * doesn't exist in the DB + */ +static PRBool +nsslowcert_CertNicknameConflict(char *nickname, SECItem *derSubject, + NSSLOWCERTCertDBHandle *handle) +{ + PRBool rv; + certDBEntryNickname *entry; + + if (nickname == NULL) { + return (PR_FALSE); + } + + entry = ReadDBNicknameEntry(handle, nickname); + + if (entry == NULL) { + /* no entry for this nickname, so no conflict */ + return (PR_FALSE); + } + + rv = PR_TRUE; + if (SECITEM_CompareItem(derSubject, &entry->subjectName) == SECEqual) { + /* if subject names are the same, then no conflict */ + rv = PR_FALSE; + } + + DestroyDBEntry((certDBEntry *)entry); + return (rv); +} + +#ifdef DBM_USING_NSPR +#define NO_RDONLY PR_RDONLY +#define NO_RDWR PR_RDWR +#define NO_CREATE (PR_RDWR | PR_CREATE_FILE | PR_TRUNCATE) +#else +#define NO_RDONLY O_RDONLY +#define NO_RDWR O_RDWR +#define NO_CREATE (O_RDWR | O_CREAT | O_TRUNC) +#endif + +/* + * open an old database that needs to be updated + */ +static DB * +nsslowcert_openolddb(NSSLOWCERTDBNameFunc namecb, void *cbarg, int version) +{ + char *tmpname; + DB *updatedb = NULL; + + tmpname = (*namecb)(cbarg, version); /* get v6 db name */ + if (tmpname) { + updatedb = dbopen(tmpname, NO_RDONLY, 0600, DB_HASH, 0); + PORT_Free(tmpname); + } + return updatedb; +} + +static SECStatus +openNewCertDB(const char *appName, const char *prefix, const char *certdbname, + NSSLOWCERTCertDBHandle *handle, NSSLOWCERTDBNameFunc namecb, void *cbarg) +{ + SECStatus rv; + certDBEntryVersion *versionEntry = NULL; + DB *updatedb = NULL; + int status = RDB_FAIL; + + if (appName) { + handle->permCertDB = rdbopen(appName, prefix, "cert", NO_CREATE, &status); + } else { + handle->permCertDB = dbsopen(certdbname, NO_CREATE, 0600, DB_HASH, 0); + } + + /* if create fails then we lose */ + if (handle->permCertDB == 0) { + return status == RDB_RETRY ? SECWouldBlock : SECFailure; + } + + /* Verify version number; */ + versionEntry = NewDBVersionEntry(0); + if (versionEntry == NULL) { + rv = SECFailure; + goto loser; + } + + rv = WriteDBVersionEntry(handle, versionEntry); + + DestroyDBEntry((certDBEntry *)versionEntry); + + if (rv != SECSuccess) { + goto loser; + } + + /* rv must already be Success here because of previous if statement */ + /* try to upgrade old db here */ + if (appName && + (updatedb = dbsopen(certdbname, NO_RDONLY, 0600, DB_HASH, 0)) != NULL) { + rv = UpdateV8DB(handle, updatedb); + } else if ((updatedb = nsslowcert_openolddb(namecb, cbarg, 7)) != NULL) { + rv = UpdateV7DB(handle, updatedb); + } else if ((updatedb = nsslowcert_openolddb(namecb, cbarg, 6)) != NULL) { + rv = UpdateV6DB(handle, updatedb); + } else if ((updatedb = nsslowcert_openolddb(namecb, cbarg, 5)) != NULL) { + rv = UpdateV5DB(handle, updatedb); + } else if ((updatedb = nsslowcert_openolddb(namecb, cbarg, 4)) != NULL) { + /* NES has v5 format db's with v4 db names! */ + if (isV4DB(updatedb)) { + rv = UpdateV4DB(handle, updatedb); + } else { + rv = UpdateV5DB(handle, updatedb); + } + } + +loser: + db_InitComplete(handle->permCertDB); + return rv; +} + +static int +nsslowcert_GetVersionNumber(NSSLOWCERTCertDBHandle *handle) +{ + certDBEntryVersion *versionEntry = NULL; + int version = 0; + + versionEntry = ReadDBVersionEntry(handle); + if (versionEntry == NULL) { + return 0; + } + version = versionEntry->common.version; + DestroyDBEntry((certDBEntry *)versionEntry); + return version; +} + +/* + * Open the certificate database and index databases. Create them if + * they are not there or bad. + */ +static SECStatus +nsslowcert_OpenPermCertDB(NSSLOWCERTCertDBHandle *handle, PRBool readOnly, + const char *appName, const char *prefix, + NSSLOWCERTDBNameFunc namecb, void *cbarg) +{ + SECStatus rv; + int openflags; + char *certdbname; + int version = 0; + + certdbname = (*namecb)(cbarg, CERT_DB_FILE_VERSION); + if (certdbname == NULL) { + return (SECFailure); + } + + openflags = readOnly ? NO_RDONLY : NO_RDWR; + + /* + * first open the permanent file based database. + */ + if (appName) { + handle->permCertDB = rdbopen(appName, prefix, "cert", openflags, NULL); + } else { + handle->permCertDB = dbsopen(certdbname, openflags, 0600, DB_HASH, 0); + } + + /* check for correct version number */ + if (handle->permCertDB) { + version = nsslowcert_GetVersionNumber(handle); + if ((version != CERT_DB_FILE_VERSION) && + !(appName && version == CERT_DB_V7_FILE_VERSION)) { + goto loser; + } + } else if (readOnly) { + /* don't create if readonly */ + /* Try openning a version 7 database */ + handle->permCertDB = nsslowcert_openolddb(namecb, cbarg, 7); + if (!handle->permCertDB) { + goto loser; + } + if (nsslowcert_GetVersionNumber(handle) != 7) { + goto loser; + } + } else { + /* if first open fails, try to create a new DB */ + rv = openNewCertDB(appName, prefix, certdbname, handle, namecb, cbarg); + if (rv == SECWouldBlock) { + /* only the rdb version can fail with wouldblock */ + handle->permCertDB = + rdbopen(appName, prefix, "cert", openflags, NULL); + + /* check for correct version number */ + if (!handle->permCertDB) { + goto loser; + } + version = nsslowcert_GetVersionNumber(handle); + if ((version != CERT_DB_FILE_VERSION) && + !(appName && version == CERT_DB_V7_FILE_VERSION)) { + goto loser; + } + } else if (rv != SECSuccess) { + goto loser; + } + } + + PORT_Free(certdbname); + + return (SECSuccess); + +loser: + + PORT_SetError(SEC_ERROR_BAD_DATABASE); + + if (handle->permCertDB) { + certdb_Close(handle->permCertDB); + handle->permCertDB = 0; + } + + PORT_Free(certdbname); + + return (SECFailure); +} + +/* + * delete all DB records associated with a particular certificate + */ +static SECStatus +DeletePermCert(NSSLOWCERTCertificate *cert) +{ + SECStatus rv; + SECStatus ret; + + ret = SECSuccess; + + rv = DeleteDBCertEntry(cert->dbhandle, &cert->certKey); + if (rv != SECSuccess) { + ret = SECFailure; + } + + rv = RemovePermSubjectNode(cert); + + return (ret); +} + +/* + * Delete a certificate from the permanent database. + */ +SECStatus +nsslowcert_DeletePermCertificate(NSSLOWCERTCertificate *cert) +{ + SECStatus rv; + + nsslowcert_LockDB(cert->dbhandle); + + /* delete the records from the permanent database */ + rv = DeletePermCert(cert); + + /* get rid of dbcert and stuff pointing to it */ + DestroyDBEntry((certDBEntry *)cert->dbEntry); + cert->dbEntry = NULL; + cert->trust = NULL; + + nsslowcert_UnlockDB(cert->dbhandle); + return (rv); +} + +/* + * Traverse all of the entries in the database of a particular type + * call the given function for each one. + */ +SECStatus +nsslowcert_TraverseDBEntries(NSSLOWCERTCertDBHandle *handle, + certDBEntryType type, + SECStatus (*callback)(SECItem *data, SECItem *key, + certDBEntryType type, void *pdata), + void *udata) +{ + DBT data; + DBT key; + SECStatus rv = SECSuccess; + int ret; + SECItem dataitem; + SECItem keyitem; + unsigned char *buf; + unsigned char *keybuf; + + ret = certdb_Seq(handle->permCertDB, &key, &data, R_FIRST); + if (ret) { + return (SECFailure); + } + /* here, ret is zero and rv is SECSuccess. + * Below here, ret is a count of successful calls to the callback function. + */ + do { + buf = (unsigned char *)data.data; + + if (buf[1] == (unsigned char)type) { + dataitem.len = data.size; + dataitem.data = buf; + dataitem.type = siBuffer; + keyitem.len = key.size - SEC_DB_KEY_HEADER_LEN; + keybuf = (unsigned char *)key.data; + keyitem.data = &keybuf[SEC_DB_KEY_HEADER_LEN]; + keyitem.type = siBuffer; + /* type should equal keybuf[0]. */ + + rv = (*callback)(&dataitem, &keyitem, type, udata); + if (rv == SECSuccess) { + ++ret; + } + } + } while (certdb_Seq(handle->permCertDB, &key, &data, R_NEXT) == 0); + /* If any callbacks succeeded, or no calls to callbacks were made, + * then report success. Otherwise, report failure. + */ + return (ret ? SECSuccess : rv); +} +/* + * Decode a certificate and enter it into the temporary certificate database. + * Deal with nicknames correctly + * + * This is the private entry point. + */ +static NSSLOWCERTCertificate * +DecodeACert(NSSLOWCERTCertDBHandle *handle, certDBEntryCert *entry) +{ + NSSLOWCERTCertificate *cert = NULL; + + cert = nsslowcert_DecodeDERCertificate(&entry->derCert, entry->nickname); + + if (cert == NULL) { + goto loser; + } + + cert->dbhandle = handle; + cert->dbEntry = entry; + cert->trust = &entry->trust; + + return (cert); + +loser: + return (0); +} + +static NSSLOWCERTTrust * +CreateTrust(void) +{ + NSSLOWCERTTrust *trust = NULL; + + nsslowcert_LockFreeList(); + trust = trustListHead; + if (trust) { + trustListCount--; + trustListHead = trust->next; + } + PORT_Assert(trustListCount >= 0); + nsslowcert_UnlockFreeList(); + if (trust) { + return trust; + } + + return PORT_ZNew(NSSLOWCERTTrust); +} + +static void +DestroyTrustFreeList(void) +{ + NSSLOWCERTTrust *trust; + + nsslowcert_LockFreeList(); + while (NULL != (trust = trustListHead)) { + trustListCount--; + trustListHead = trust->next; + PORT_Free(trust); + } + PORT_Assert(!trustListCount); + trustListCount = 0; + nsslowcert_UnlockFreeList(); +} + +static NSSLOWCERTTrust * +DecodeTrustEntry(NSSLOWCERTCertDBHandle *handle, certDBEntryCert *entry, + const SECItem *dbKey) +{ + NSSLOWCERTTrust *trust = CreateTrust(); + if (trust == NULL) { + return trust; + } + trust->dbhandle = handle; + trust->dbEntry = entry; + trust->dbKey.data = pkcs11_copyStaticData(dbKey->data, dbKey->len, + trust->dbKeySpace, sizeof(trust->dbKeySpace)); + if (!trust->dbKey.data) { + PORT_Free(trust); + return NULL; + } + trust->dbKey.len = dbKey->len; + + trust->trust = &entry->trust; + trust->derCert = &entry->derCert; + + return (trust); +} + +typedef struct { + PermCertCallback certfunc; + NSSLOWCERTCertDBHandle *handle; + void *data; +} PermCertCallbackState; + +/* + * traversal callback to decode certs and call callers callback + */ +static SECStatus +certcallback(SECItem *dbdata, SECItem *dbkey, certDBEntryType type, void *data) +{ + PermCertCallbackState *mystate; + SECStatus rv; + certDBEntryCert *entry; + SECItem entryitem; + NSSLOWCERTCertificate *cert; + PLArenaPool *arena = NULL; + + arena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE); + if (arena == NULL) { + goto loser; + } + + entry = (certDBEntryCert *)PORT_ArenaAlloc(arena, sizeof(certDBEntryCert)); + if (!entry) { + PORT_SetError(SEC_ERROR_NO_MEMORY); + goto loser; + } + mystate = (PermCertCallbackState *)data; + entry->common.version = (unsigned int)dbdata->data[0]; + entry->common.type = (certDBEntryType)dbdata->data[1]; + entry->common.flags = (unsigned int)dbdata->data[2]; + entry->common.arena = arena; + + entryitem.len = dbdata->len - SEC_DB_ENTRY_HEADER_LEN; + entryitem.data = &dbdata->data[SEC_DB_ENTRY_HEADER_LEN]; + + rv = DecodeDBCertEntry(entry, &entryitem); + if (rv != SECSuccess) { + goto loser; + } + entry->derCert.type = siBuffer; + + /* note: Entry is 'inheritted'. */ + cert = DecodeACert(mystate->handle, entry); + + rv = (*mystate->certfunc)(cert, dbkey, mystate->data); + + /* arena stored in entry destroyed by nsslowcert_DestroyCertificate */ + nsslowcert_DestroyCertificateNoLocking(cert); + + return (rv); + +loser: + if (arena) { + PORT_FreeArena(arena, PR_FALSE); + } + return (SECFailure); +} + +/* + * Traverse all of the certificates in the permanent database and + * call the given function for each one; expect the caller to have lock. + */ +static SECStatus +TraversePermCertsNoLocking(NSSLOWCERTCertDBHandle *handle, + SECStatus (*certfunc)(NSSLOWCERTCertificate *cert, + SECItem *k, + void *pdata), + void *udata) +{ + SECStatus rv; + PermCertCallbackState mystate; + + mystate.certfunc = certfunc; + mystate.handle = handle; + mystate.data = udata; + rv = nsslowcert_TraverseDBEntries(handle, certDBEntryTypeCert, certcallback, + (void *)&mystate); + + return (rv); +} + +/* + * Traverse all of the certificates in the permanent database and + * call the given function for each one. + */ +SECStatus +nsslowcert_TraversePermCerts(NSSLOWCERTCertDBHandle *handle, + SECStatus (*certfunc)(NSSLOWCERTCertificate *cert, SECItem *k, + void *pdata), + void *udata) +{ + SECStatus rv; + + nsslowcert_LockDB(handle); + rv = TraversePermCertsNoLocking(handle, certfunc, udata); + nsslowcert_UnlockDB(handle); + + return (rv); +} + +/* + * Close the database + */ +void +nsslowcert_ClosePermCertDB(NSSLOWCERTCertDBHandle *handle) +{ + if (handle) { + if (handle->permCertDB) { + certdb_Close(handle->permCertDB); + handle->permCertDB = NULL; + } + if (handle->dbMon) { + PZ_DestroyMonitor(handle->dbMon); + handle->dbMon = NULL; + } + PORT_Free(handle); + } + return; +} + +/* + * Get the trust attributes from a certificate + */ +SECStatus +nsslowcert_GetCertTrust(NSSLOWCERTCertificate *cert, NSSLOWCERTCertTrust *trust) +{ + SECStatus rv; + + nsslowcert_LockCertTrust(cert); + + if (cert->trust == NULL) { + rv = SECFailure; + } else { + *trust = *cert->trust; + rv = SECSuccess; + } + + nsslowcert_UnlockCertTrust(cert); + return (rv); +} + +/* + * Change the trust attributes of a certificate and make them permanent + * in the database. + */ +SECStatus +nsslowcert_ChangeCertTrust(NSSLOWCERTCertDBHandle *handle, + NSSLOWCERTCertificate *cert, NSSLOWCERTCertTrust *trust) +{ + certDBEntryCert *entry; + int rv; + SECStatus ret; + + nsslowcert_LockDB(handle); + nsslowcert_LockCertTrust(cert); + /* only set the trust on permanent certs */ + if (cert->trust == NULL) { + ret = SECFailure; + goto done; + } + + *cert->trust = *trust; + if (cert->dbEntry == NULL) { + ret = SECSuccess; /* not in permanent database */ + goto done; + } + + entry = cert->dbEntry; + entry->trust = *trust; + + rv = WriteDBCertEntry(handle, entry); + if (rv) { + ret = SECFailure; + goto done; + } + + ret = SECSuccess; + +done: + nsslowcert_UnlockCertTrust(cert); + nsslowcert_UnlockDB(handle); + return (ret); +} + +static SECStatus +nsslowcert_UpdatePermCert(NSSLOWCERTCertDBHandle *dbhandle, + NSSLOWCERTCertificate *cert, char *nickname, NSSLOWCERTCertTrust *trust) +{ + char *oldnn; + certDBEntryCert *entry; + PRBool conflict; + SECStatus ret; + + PORT_Assert(!cert->dbEntry); + + /* don't add a conflicting nickname */ + conflict = nsslowcert_CertNicknameConflict(nickname, &cert->derSubject, + dbhandle); + if (conflict) { + ret = SECFailure; + goto done; + } + + /* save old nickname so that we can delete it */ + oldnn = cert->nickname; + + entry = AddCertToPermDB(dbhandle, cert, nickname, trust); + + if (entry == NULL) { + ret = SECFailure; + goto done; + } + + pkcs11_freeNickname(oldnn, cert->nicknameSpace); + + cert->nickname = (entry->nickname) ? pkcs11_copyNickname(entry->nickname, + cert->nicknameSpace, sizeof(cert->nicknameSpace)) + : NULL; + cert->trust = &entry->trust; + cert->dbEntry = entry; + + ret = SECSuccess; +done: + return (ret); +} + +SECStatus +nsslowcert_AddPermCert(NSSLOWCERTCertDBHandle *dbhandle, + NSSLOWCERTCertificate *cert, char *nickname, NSSLOWCERTCertTrust *trust) +{ + SECStatus ret; + + nsslowcert_LockDB(dbhandle); + + ret = nsslowcert_UpdatePermCert(dbhandle, cert, nickname, trust); + + nsslowcert_UnlockDB(dbhandle); + return (ret); +} + +/* + * Open the certificate database and index databases. Create them if + * they are not there or bad. + */ +SECStatus +nsslowcert_OpenCertDB(NSSLOWCERTCertDBHandle *handle, PRBool readOnly, + const char *appName, const char *prefix, + NSSLOWCERTDBNameFunc namecb, void *cbarg, PRBool openVolatile) +{ + int rv; + + certdb_InitDBLock(handle); + + handle->dbMon = PZ_NewMonitor(nssILockCertDB); + PORT_Assert(handle->dbMon != NULL); + handle->dbVerify = PR_FALSE; + + rv = nsslowcert_OpenPermCertDB(handle, readOnly, appName, prefix, + namecb, cbarg); + if (rv) { + goto loser; + } + + return (SECSuccess); + +loser: + if (handle->dbMon) { + PZ_DestroyMonitor(handle->dbMon); + handle->dbMon = NULL; + } + PORT_SetError(SEC_ERROR_BAD_DATABASE); + return (SECFailure); +} + +PRBool +nsslowcert_needDBVerify(NSSLOWCERTCertDBHandle *handle) +{ + if (!handle) + return PR_FALSE; + return handle->dbVerify; +} + +void +nsslowcert_setDBVerify(NSSLOWCERTCertDBHandle *handle, PRBool value) +{ + handle->dbVerify = value; +} + +/* + * Lookup a certificate in the databases. + */ +static NSSLOWCERTCertificate * +FindCertByKey(NSSLOWCERTCertDBHandle *handle, const SECItem *certKey, PRBool lockdb) +{ + NSSLOWCERTCertificate *cert = NULL; + certDBEntryCert *entry; + PRBool locked = PR_FALSE; + + if (lockdb) { + locked = PR_TRUE; + nsslowcert_LockDB(handle); + } + + /* find in perm database */ + entry = ReadDBCertEntry(handle, certKey); + + if (entry == NULL) { + goto loser; + } + + /* inherit entry */ + cert = DecodeACert(handle, entry); + +loser: + if (cert == NULL) { + if (entry) { + DestroyDBEntry((certDBEntry *)entry); + } + } + + if (locked) { + nsslowcert_UnlockDB(handle); + } + + return (cert); +} + +/* + * Lookup a certificate in the databases. + */ +static NSSLOWCERTTrust * +FindTrustByKey(NSSLOWCERTCertDBHandle *handle, const SECItem *certKey, PRBool lockdb) +{ + NSSLOWCERTTrust *trust = NULL; + certDBEntryCert *entry; + PRBool locked = PR_FALSE; + + if (lockdb) { + locked = PR_TRUE; + nsslowcert_LockDB(handle); + } + + /* find in perm database */ + entry = ReadDBCertEntry(handle, certKey); + + if (entry == NULL) { + goto loser; + } + + if (!nsslowcert_hasTrust(&entry->trust)) { + goto loser; + } + + /* inherit entry */ + trust = DecodeTrustEntry(handle, entry, certKey); + +loser: + if (trust == NULL) { + if (entry) { + DestroyDBEntry((certDBEntry *)entry); + } + } + + if (locked) { + nsslowcert_UnlockDB(handle); + } + + return (trust); +} + +/* + * Lookup a certificate in the databases without locking + */ +NSSLOWCERTCertificate * +nsslowcert_FindCertByKey(NSSLOWCERTCertDBHandle *handle, const SECItem *certKey) +{ + return (FindCertByKey(handle, certKey, PR_FALSE)); +} + +/* + * Lookup a trust object in the databases without locking + */ +NSSLOWCERTTrust * +nsslowcert_FindTrustByKey(NSSLOWCERTCertDBHandle *handle, const SECItem *certKey) +{ + return (FindTrustByKey(handle, certKey, PR_FALSE)); +} + +/* + * Generate a key from an issuerAndSerialNumber, and find the + * associated cert in the database. + */ +NSSLOWCERTCertificate * +nsslowcert_FindCertByIssuerAndSN(NSSLOWCERTCertDBHandle *handle, NSSLOWCERTIssuerAndSN *issuerAndSN) +{ + SECItem certKey; + SECItem *sn = &issuerAndSN->serialNumber; + SECItem *issuer = &issuerAndSN->derIssuer; + NSSLOWCERTCertificate *cert; + int data_len = sn->len; + int index = 0; + + /* automatically detect DER encoded serial numbers and remove the der + * encoding since the database expects unencoded data. + * if it's DER encoded, there must be at least 3 bytes, tag, len, data */ + if ((sn->len >= 3) && (sn->data[0] == 0x2)) { + /* remove the der encoding of the serial number before generating the + * key.. */ + int data_left = sn->len - 2; + data_len = sn->data[1]; + index = 2; + + /* extended length ? (not very likely for a serial number) */ + if (data_len & 0x80) { + int len_count = data_len & 0x7f; + + data_len = 0; + data_left -= len_count; + if (data_left > 0) { + while (len_count--) { + data_len = (data_len << 8) | sn->data[index++]; + } + } + } + /* XXX leaving any leading zeros on the serial number for backwards + * compatibility + */ + /* not a valid der, must be just an unlucky serial number value */ + if (data_len != data_left) { + data_len = sn->len; + index = 0; + } + } + + certKey.type = 0; + certKey.data = (unsigned char *)PORT_Alloc(sn->len + issuer->len); + certKey.len = data_len + issuer->len; + + if (certKey.data == NULL) { + return (0); + } + + /* first try the serial number as hand-decoded above*/ + /* copy the serialNumber */ + PORT_Memcpy(certKey.data, &sn->data[index], data_len); + + /* copy the issuer */ + PORT_Memcpy(&certKey.data[data_len], issuer->data, issuer->len); + + cert = nsslowcert_FindCertByKey(handle, &certKey); + if (cert) { + PORT_Free(certKey.data); + return (cert); + } + + /* didn't find it, try by der encoded serial number */ + /* copy the serialNumber */ + PORT_Memcpy(certKey.data, sn->data, sn->len); + + /* copy the issuer */ + PORT_Memcpy(&certKey.data[sn->len], issuer->data, issuer->len); + certKey.len = sn->len + issuer->len; + + cert = nsslowcert_FindCertByKey(handle, &certKey); + + PORT_Free(certKey.data); + + return (cert); +} + +/* + * Generate a key from an issuerAndSerialNumber, and find the + * associated cert in the database. + */ +NSSLOWCERTTrust * +nsslowcert_FindTrustByIssuerAndSN(NSSLOWCERTCertDBHandle *handle, + NSSLOWCERTIssuerAndSN *issuerAndSN) +{ + SECItem certKey; + SECItem *sn = &issuerAndSN->serialNumber; + SECItem *issuer = &issuerAndSN->derIssuer; + NSSLOWCERTTrust *trust; + unsigned char keyBuf[512]; + int data_len = sn->len; + int index = 0; + int len; + + /* automatically detect DER encoded serial numbers and remove the der + * encoding since the database expects unencoded data. + * if it's DER encoded, there must be at least 3 bytes, tag, len, data */ + if ((sn->len >= 3) && (sn->data[0] == 0x2)) { + /* remove the der encoding of the serial number before generating the + * key.. */ + int data_left = sn->len - 2; + data_len = sn->data[1]; + index = 2; + + /* extended length ? (not very likely for a serial number) */ + if (data_len & 0x80) { + int len_count = data_len & 0x7f; + + data_len = 0; + data_left -= len_count; + if (data_left > 0) { + while (len_count--) { + data_len = (data_len << 8) | sn->data[index++]; + } + } + } + /* XXX leaving any leading zeros on the serial number for backwards + * compatibility + */ + /* not a valid der, must be just an unlucky serial number value */ + if (data_len != data_left) { + data_len = sn->len; + index = 0; + } + } + + certKey.type = 0; + certKey.len = data_len + issuer->len; + len = sn->len + issuer->len; + if (len > sizeof(keyBuf)) { + certKey.data = (unsigned char *)PORT_Alloc(len); + } else { + certKey.data = keyBuf; + } + + if (certKey.data == NULL) { + return (0); + } + + /* first try the serial number as hand-decoded above*/ + /* copy the serialNumber */ + PORT_Memcpy(certKey.data, &sn->data[index], data_len); + + /* copy the issuer */ + PORT_Memcpy(&certKey.data[data_len], issuer->data, issuer->len); + + trust = nsslowcert_FindTrustByKey(handle, &certKey); + if (trust) { + pkcs11_freeStaticData(certKey.data, keyBuf); + return (trust); + } + + if (index == 0) { + pkcs11_freeStaticData(certKey.data, keyBuf); + return NULL; + } + + /* didn't find it, try by der encoded serial number */ + /* copy the serialNumber */ + PORT_Memcpy(certKey.data, sn->data, sn->len); + + /* copy the issuer */ + PORT_Memcpy(&certKey.data[sn->len], issuer->data, issuer->len); + certKey.len = sn->len + issuer->len; + + trust = nsslowcert_FindTrustByKey(handle, &certKey); + + pkcs11_freeStaticData(certKey.data, keyBuf); + + return (trust); +} + +/* + * look for the given DER certificate in the database + */ +NSSLOWCERTCertificate * +nsslowcert_FindCertByDERCert(NSSLOWCERTCertDBHandle *handle, SECItem *derCert) +{ + PLArenaPool *arena; + SECItem certKey; + SECStatus rv; + NSSLOWCERTCertificate *cert = NULL; + + /* create a scratch arena */ + arena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE); + if (arena == NULL) { + return (NULL); + } + + /* extract the database key from the cert */ + rv = nsslowcert_KeyFromDERCert(arena, derCert, &certKey); + if (rv != SECSuccess) { + goto loser; + } + + /* find the certificate */ + cert = nsslowcert_FindCertByKey(handle, &certKey); + +loser: + PORT_FreeArena(arena, PR_FALSE); + return (cert); +} + +static void +DestroyCertificate(NSSLOWCERTCertificate *cert, PRBool lockdb) +{ + int refCount; + NSSLOWCERTCertDBHandle *handle; + + if (cert) { + + handle = cert->dbhandle; + + /* + * handle may be NULL, for example if the cert was created with + * nsslowcert_DecodeDERCertificate. + */ + if (lockdb && handle) { + nsslowcert_LockDB(handle); + } + + nsslowcert_LockCertRefCount(cert); + PORT_Assert(cert->referenceCount > 0); + refCount = --cert->referenceCount; + nsslowcert_UnlockCertRefCount(cert); + + if (refCount == 0) { + certDBEntryCert *entry = cert->dbEntry; + + if (entry) { + DestroyDBEntry((certDBEntry *)entry); + } + + pkcs11_freeNickname(cert->nickname, cert->nicknameSpace); + pkcs11_freeNickname(cert->emailAddr, cert->emailAddrSpace); + pkcs11_freeStaticData(cert->certKey.data, cert->certKeySpace); + cert->certKey.data = NULL; + cert->nickname = NULL; + + /* zero cert before freeing. Any stale references to this cert + * after this point will probably cause an exception. */ + PORT_Memset(cert, 0, sizeof *cert); + + /* use reflock to protect the free list */ + nsslowcert_LockFreeList(); + if (certListCount > MAX_CERT_LIST_COUNT) { + PORT_Free(cert); + } else { + certListCount++; + cert->next = certListHead; + certListHead = cert; + } + nsslowcert_UnlockFreeList(); + cert = NULL; + } + if (lockdb && handle) { + nsslowcert_UnlockDB(handle); + } + } + + return; +} + +NSSLOWCERTCertificate * +nsslowcert_CreateCert(void) +{ + NSSLOWCERTCertificate *cert; + nsslowcert_LockFreeList(); + cert = certListHead; + if (cert) { + certListHead = cert->next; + certListCount--; + } + PORT_Assert(certListCount >= 0); + nsslowcert_UnlockFreeList(); + if (cert) { + return cert; + } + return PORT_ZNew(NSSLOWCERTCertificate); +} + +static void +DestroyCertFreeList(void) +{ + NSSLOWCERTCertificate *cert; + + nsslowcert_LockFreeList(); + while (NULL != (cert = certListHead)) { + certListCount--; + certListHead = cert->next; + PORT_Free(cert); + } + PORT_Assert(!certListCount); + certListCount = 0; + nsslowcert_UnlockFreeList(); +} + +void +nsslowcert_DestroyTrust(NSSLOWCERTTrust *trust) +{ + certDBEntryCert *entry = trust->dbEntry; + + if (entry) { + DestroyDBEntry((certDBEntry *)entry); + } + pkcs11_freeStaticData(trust->dbKey.data, trust->dbKeySpace); + PORT_Memset(trust, 0, sizeof(*trust)); + + nsslowcert_LockFreeList(); + if (trustListCount > MAX_TRUST_LIST_COUNT) { + PORT_Free(trust); + } else { + trustListCount++; + trust->next = trustListHead; + trustListHead = trust; + } + nsslowcert_UnlockFreeList(); + + return; +} + +void +nsslowcert_DestroyCertificate(NSSLOWCERTCertificate *cert) +{ + DestroyCertificate(cert, PR_TRUE); + return; +} + +static void +nsslowcert_DestroyCertificateNoLocking(NSSLOWCERTCertificate *cert) +{ + DestroyCertificate(cert, PR_FALSE); + return; +} + +/* + * Lookup a CRL in the databases. We mirror the same fast caching data base + * caching stuff used by certificates....? + */ +certDBEntryRevocation * +nsslowcert_FindCrlByKey(NSSLOWCERTCertDBHandle *handle, + SECItem *crlKey, PRBool isKRL) +{ + SECItem keyitem; + SECStatus rv; + PLArenaPool *arena = NULL; + certDBEntryRevocation *entry = NULL; + certDBEntryType crlType = isKRL ? certDBEntryTypeKeyRevocation + : certDBEntryTypeRevocation; + + arena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE); + if (arena == NULL) { + goto loser; + } + + rv = EncodeDBGenericKey(crlKey, arena, &keyitem, crlType); + if (rv != SECSuccess) { + goto loser; + } + + /* find in perm database */ + entry = ReadDBCrlEntry(handle, crlKey, crlType); + + if (entry == NULL) { + goto loser; + } + +loser: + if (arena) { + PORT_FreeArena(arena, PR_FALSE); + } + + return entry; +} + +/* + * replace the existing URL in the data base with a new one + */ +static SECStatus +nsslowcert_UpdateCrl(NSSLOWCERTCertDBHandle *handle, SECItem *derCrl, + SECItem *crlKey, char *url, PRBool isKRL) +{ + SECStatus rv = SECFailure; + certDBEntryRevocation *entry = NULL; + certDBEntryType crlType = isKRL ? certDBEntryTypeKeyRevocation + : certDBEntryTypeRevocation; + DeleteDBCrlEntry(handle, crlKey, crlType); + + /* Write the new entry into the data base */ + entry = NewDBCrlEntry(derCrl, url, crlType, 0); + if (entry == NULL) + goto done; + + rv = WriteDBCrlEntry(handle, entry, crlKey); + if (rv != SECSuccess) + goto done; + +done: + if (entry) { + DestroyDBEntry((certDBEntry *)entry); + } + return rv; +} + +SECStatus +nsslowcert_AddCrl(NSSLOWCERTCertDBHandle *handle, SECItem *derCrl, + SECItem *crlKey, char *url, PRBool isKRL) +{ + SECStatus rv; + + rv = nsslowcert_UpdateCrl(handle, derCrl, crlKey, url, isKRL); + + return rv; +} + +SECStatus +nsslowcert_DeletePermCRL(NSSLOWCERTCertDBHandle *handle, const SECItem *derName, + PRBool isKRL) +{ + SECStatus rv; + certDBEntryType crlType = isKRL ? certDBEntryTypeKeyRevocation + : certDBEntryTypeRevocation; + + rv = DeleteDBCrlEntry(handle, derName, crlType); + if (rv != SECSuccess) + goto done; + +done: + return rv; +} + +PRBool +nsslowcert_hasTrust(NSSLOWCERTCertTrust *trust) +{ + if (trust == NULL) { + return PR_FALSE; + } + return !((trust->sslFlags & CERTDB_TRUSTED_UNKNOWN) && + (trust->emailFlags & CERTDB_TRUSTED_UNKNOWN) && + (trust->objectSigningFlags & CERTDB_TRUSTED_UNKNOWN)); +} + +/* + * This function has the logic that decides if another person's cert and + * email profile from an S/MIME message should be saved. It can deal with + * the case when there is no profile. + */ +static SECStatus +nsslowcert_UpdateSMimeProfile(NSSLOWCERTCertDBHandle *dbhandle, + char *emailAddr, SECItem *derSubject, SECItem *emailProfile, + SECItem *profileTime) +{ + certDBEntrySMime *entry = NULL; + SECStatus rv = SECFailure; + ; + + /* find our existing entry */ + entry = nsslowcert_ReadDBSMimeEntry(dbhandle, emailAddr); + + if (entry) { + /* keep our old db entry consistant for old applications. */ + if (!SECITEM_ItemsAreEqual(derSubject, &entry->subjectName)) { + nsslowcert_UpdateSubjectEmailAddr(dbhandle, &entry->subjectName, + emailAddr, nsslowcert_remove); + } + DestroyDBEntry((certDBEntry *)entry); + entry = NULL; + } + + /* now save the entry */ + entry = NewDBSMimeEntry(emailAddr, derSubject, emailProfile, + profileTime, 0); + if (entry == NULL) { + rv = SECFailure; + goto loser; + } + + nsslowcert_LockDB(dbhandle); + + rv = DeleteDBSMimeEntry(dbhandle, emailAddr); + /* if delete fails, try to write new entry anyway... */ + + /* link subject entry back here */ + rv = nsslowcert_UpdateSubjectEmailAddr(dbhandle, derSubject, emailAddr, + nsslowcert_add); + if (rv != SECSuccess) { + nsslowcert_UnlockDB(dbhandle); + goto loser; + } + + rv = WriteDBSMimeEntry(dbhandle, entry); + if (rv != SECSuccess) { + nsslowcert_UnlockDB(dbhandle); + goto loser; + } + + nsslowcert_UnlockDB(dbhandle); + + rv = SECSuccess; + +loser: + if (entry) { + DestroyDBEntry((certDBEntry *)entry); + } + return (rv); +} + +SECStatus +nsslowcert_SaveSMimeProfile(NSSLOWCERTCertDBHandle *dbhandle, char *emailAddr, + SECItem *derSubject, SECItem *emailProfile, SECItem *profileTime) +{ + SECStatus rv = SECFailure; + ; + + rv = nsslowcert_UpdateSMimeProfile(dbhandle, emailAddr, + derSubject, emailProfile, profileTime); + + return (rv); +} + +void +nsslowcert_DestroyFreeLists(void) +{ + if (freeListLock == NULL) { + return; + } + DestroyCertEntryFreeList(); + DestroyTrustFreeList(); + DestroyCertFreeList(); + SKIP_AFTER_FORK(PZ_DestroyLock(freeListLock)); + freeListLock = NULL; +} + +void +nsslowcert_DestroyGlobalLocks(void) +{ + if (dbLock) { + SKIP_AFTER_FORK(PZ_DestroyLock(dbLock)); + dbLock = NULL; + } + if (certRefCountLock) { + SKIP_AFTER_FORK(PZ_DestroyLock(certRefCountLock)); + certRefCountLock = NULL; + } + if (certTrustLock) { + SKIP_AFTER_FORK(PZ_DestroyLock(certTrustLock)); + certTrustLock = NULL; + } +} + +certDBEntry * +nsslowcert_DecodeAnyDBEntry(SECItem *dbData, const SECItem *dbKey, + certDBEntryType entryType, void *pdata) +{ + PLArenaPool *arena = NULL; + certDBEntry *entry; + SECStatus rv; + SECItem dbEntry; + + if ((dbData->len < SEC_DB_ENTRY_HEADER_LEN) || (dbKey->len == 0)) { + PORT_SetError(SEC_ERROR_INVALID_ARGS); + goto loser; + } + dbEntry.data = &dbData->data[SEC_DB_ENTRY_HEADER_LEN]; + dbEntry.len = dbData->len - SEC_DB_ENTRY_HEADER_LEN; + + arena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE); + if (arena == NULL) { + goto loser; + } + entry = PORT_ArenaZNew(arena, certDBEntry); + if (!entry) + goto loser; + + entry->common.version = (unsigned int)dbData->data[0]; + entry->common.flags = (unsigned int)dbData->data[2]; + entry->common.type = entryType; + entry->common.arena = arena; + + switch (entryType) { + case certDBEntryTypeContentVersion: /* This type appears to be unused */ + case certDBEntryTypeVersion: /* This type has only the common hdr */ + rv = SECSuccess; + break; + + case certDBEntryTypeSubject: + rv = DecodeDBSubjectEntry(&entry->subject, &dbEntry, dbKey); + break; + + case certDBEntryTypeNickname: + rv = DecodeDBNicknameEntry(&entry->nickname, &dbEntry, + (char *)dbKey->data); + break; + + /* smime profiles need entries created after the certs have + * been imported, loop over them in a second run */ + case certDBEntryTypeSMimeProfile: + rv = DecodeDBSMimeEntry(&entry->smime, &dbEntry, (char *)dbKey->data); + break; + + case certDBEntryTypeCert: + rv = DecodeDBCertEntry(&entry->cert, &dbEntry); + break; + + case certDBEntryTypeKeyRevocation: + case certDBEntryTypeRevocation: + rv = DecodeDBCrlEntry(&entry->revocation, &dbEntry); + break; + + default: + PORT_SetError(SEC_ERROR_INVALID_ARGS); + rv = SECFailure; + } + + if (rv == SECSuccess) + return entry; + +loser: + if (arena) + PORT_FreeArena(arena, PR_FALSE); + return NULL; +} diff --git a/security/nss/lib/softoken/legacydb/pcertt.h b/security/nss/lib/softoken/legacydb/pcertt.h new file mode 100644 index 000000000..7eaa82def --- /dev/null +++ b/security/nss/lib/softoken/legacydb/pcertt.h @@ -0,0 +1,418 @@ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ +/* + * certt.h - public data structures for the certificate library + */ +#ifndef _PCERTT_H_ +#define _PCERTT_H_ + +#include "prclist.h" +#include "pkcs11t.h" +#include "seccomon.h" +#include "secoidt.h" +#include "plarena.h" +#include "prcvar.h" +#include "nssilock.h" +#include "prio.h" +#include "prmon.h" + +/* Non-opaque objects */ +typedef struct NSSLOWCERTCertDBHandleStr NSSLOWCERTCertDBHandle; +typedef struct NSSLOWCERTCertKeyStr NSSLOWCERTCertKey; + +typedef struct NSSLOWCERTTrustStr NSSLOWCERTTrust; +typedef struct NSSLOWCERTCertTrustStr NSSLOWCERTCertTrust; +typedef struct NSSLOWCERTCertificateStr NSSLOWCERTCertificate; +typedef struct NSSLOWCERTCertificateListStr NSSLOWCERTCertificateList; +typedef struct NSSLOWCERTIssuerAndSNStr NSSLOWCERTIssuerAndSN; +typedef struct NSSLOWCERTSignedDataStr NSSLOWCERTSignedData; +typedef struct NSSLOWCERTSubjectPublicKeyInfoStr NSSLOWCERTSubjectPublicKeyInfo; +typedef struct NSSLOWCERTValidityStr NSSLOWCERTValidity; + +/* +** An X.509 validity object +*/ +struct NSSLOWCERTValidityStr { + PLArenaPool *arena; + SECItem notBefore; + SECItem notAfter; +}; + +/* + * A serial number and issuer name, which is used as a database key + */ +struct NSSLOWCERTCertKeyStr { + SECItem serialNumber; + SECItem derIssuer; +}; + +/* +** A signed data object. Used to implement the "signed" macro used +** in the X.500 specs. +*/ +struct NSSLOWCERTSignedDataStr { + SECItem data; + SECAlgorithmID signatureAlgorithm; + SECItem signature; +}; + +/* +** An X.509 subject-public-key-info object +*/ +struct NSSLOWCERTSubjectPublicKeyInfoStr { + PLArenaPool *arena; + SECAlgorithmID algorithm; + SECItem subjectPublicKey; +}; + +typedef struct _certDBEntryCert certDBEntryCert; +typedef struct _certDBEntryRevocation certDBEntryRevocation; + +struct NSSLOWCERTCertTrustStr { + unsigned int sslFlags; + unsigned int emailFlags; + unsigned int objectSigningFlags; +}; + +/* +** PKCS11 Trust representation +*/ +struct NSSLOWCERTTrustStr { + NSSLOWCERTTrust *next; + NSSLOWCERTCertDBHandle *dbhandle; + SECItem dbKey; /* database key for this cert */ + certDBEntryCert *dbEntry; /* database entry struct */ + NSSLOWCERTCertTrust *trust; + SECItem *derCert; /* original DER for the cert */ + unsigned char dbKeySpace[512]; +}; + +/* +** An X.509 certificate object (the unsigned form) +*/ +struct NSSLOWCERTCertificateStr { + /* the arena is used to allocate any data structures that have the same + * lifetime as the cert. This is all stuff that hangs off of the cert + * structure, and is all freed at the same time. I is used when the + * cert is decoded, destroyed, and at some times when it changes + * state + */ + NSSLOWCERTCertificate *next; + NSSLOWCERTCertDBHandle *dbhandle; + + SECItem derCert; /* original DER for the cert */ + SECItem derIssuer; /* DER for issuer name */ + SECItem derSN; + SECItem serialNumber; + SECItem derSubject; /* DER for subject name */ + SECItem derSubjKeyInfo; + NSSLOWCERTSubjectPublicKeyInfo *subjectPublicKeyInfo; + SECItem certKey; /* database key for this cert */ + SECItem validity; + certDBEntryCert *dbEntry; /* database entry struct */ + SECItem subjectKeyID; /* x509v3 subject key identifier */ + SECItem extensions; + char *nickname; + char *emailAddr; + NSSLOWCERTCertTrust *trust; + + /* the reference count is modified whenever someone looks up, dups + * or destroys a certificate + */ + int referenceCount; + + char nicknameSpace[200]; + char emailAddrSpace[200]; + unsigned char certKeySpace[512]; +}; + +#define SEC_CERTIFICATE_VERSION_1 0 /* default created */ +#define SEC_CERTIFICATE_VERSION_2 1 /* v2 */ +#define SEC_CERTIFICATE_VERSION_3 2 /* v3 extensions */ + +#define SEC_CRL_VERSION_1 0 /* default */ +#define SEC_CRL_VERSION_2 1 /* v2 extensions */ + +#define NSS_MAX_LEGACY_DB_KEY_SIZE (60 * 1024) + +struct NSSLOWCERTIssuerAndSNStr { + SECItem derIssuer; + SECItem serialNumber; +}; + +typedef SECStatus (*NSSLOWCERTCertCallback)(NSSLOWCERTCertificate *cert, void *arg); + +/* This is the typedef for the callback passed to nsslowcert_OpenCertDB() */ +/* callback to return database name based on version number */ +typedef char *(*NSSLOWCERTDBNameFunc)(void *arg, int dbVersion); + +/* XXX Lisa thinks the template declarations belong in cert.h, not here? */ + +#include "secasn1t.h" /* way down here because I expect template stuff to + * move out of here anyway */ + +/* + * Certificate Database related definitions and data structures + */ + +/* version number of certificate database */ +#define CERT_DB_FILE_VERSION 8 +#define CERT_DB_V7_FILE_VERSION 7 +#define CERT_DB_CONTENT_VERSION 2 + +#define SEC_DB_ENTRY_HEADER_LEN 3 +#define SEC_DB_KEY_HEADER_LEN 1 + +/* All database entries have this form: + * + * byte offset field + * ----------- ----- + * 0 version + * 1 type + * 2 flags + */ + +/* database entry types */ +typedef enum { + certDBEntryTypeVersion = 0, + certDBEntryTypeCert = 1, + certDBEntryTypeNickname = 2, + certDBEntryTypeSubject = 3, + certDBEntryTypeRevocation = 4, + certDBEntryTypeKeyRevocation = 5, + certDBEntryTypeSMimeProfile = 6, + certDBEntryTypeContentVersion = 7, + certDBEntryTypeBlob = 8 +} certDBEntryType; + +typedef struct { + certDBEntryType type; + unsigned int version; + unsigned int flags; + PLArenaPool *arena; +} certDBEntryCommon; + +/* + * Certificate entry: + * + * byte offset field + * ----------- ----- + * 0 sslFlags-msb + * 1 sslFlags-lsb + * 2 emailFlags-msb + * 3 emailFlags-lsb + * 4 objectSigningFlags-msb + * 5 objectSigningFlags-lsb + * 6 derCert-len-msb + * 7 derCert-len-lsb + * 8 nickname-len-msb + * 9 nickname-len-lsb + * ... derCert + * ... nickname + * + * NOTE: the nickname string as stored in the database is null terminated, + * in other words, the last byte of the db entry is always 0 + * if a nickname is present. + * NOTE: if nickname is not present, then nickname-len-msb and + * nickname-len-lsb will both be zero. + */ +struct _certDBEntryCert { + certDBEntryCommon common; + certDBEntryCert *next; + NSSLOWCERTCertTrust trust; + SECItem derCert; + char *nickname; + char nicknameSpace[200]; + unsigned char derCertSpace[2048]; +}; + +/* + * Certificate Nickname entry: + * + * byte offset field + * ----------- ----- + * 0 subjectname-len-msb + * 1 subjectname-len-lsb + * 2... subjectname + * + * The database key for this type of entry is a nickname string + * The "subjectname" value is the DER encoded DN of the identity + * that matches this nickname. + */ +typedef struct { + certDBEntryCommon common; + char *nickname; + SECItem subjectName; +} certDBEntryNickname; + +#define DB_NICKNAME_ENTRY_HEADER_LEN 2 + +/* + * Certificate Subject entry: + * + * byte offset field + * ----------- ----- + * 0 ncerts-msb + * 1 ncerts-lsb + * 2 nickname-msb + * 3 nickname-lsb + * 4 emailAddr-msb + * 5 emailAddr-lsb + * ... nickname + * ... emailAddr + * ...+2*i certkey-len-msb + * ...+1+2*i certkey-len-lsb + * ...+2*ncerts+2*i keyid-len-msb + * ...+1+2*ncerts+2*i keyid-len-lsb + * ... certkeys + * ... keyids + * + * The database key for this type of entry is the DER encoded subject name + * The "certkey" value is an array of certificate database lookup keys that + * points to the database entries for the certificates that matche + * this subject. + * + */ +typedef struct _certDBEntrySubject { + certDBEntryCommon common; + SECItem derSubject; + unsigned int ncerts; + char *nickname; + SECItem *certKeys; + SECItem *keyIDs; + char **emailAddrs; + unsigned int nemailAddrs; +} certDBEntrySubject; + +#define DB_SUBJECT_ENTRY_HEADER_LEN 6 + +/* + * Certificate SMIME profile entry: + * + * byte offset field + * ----------- ----- + * 0 subjectname-len-msb + * 1 subjectname-len-lsb + * 2 smimeoptions-len-msb + * 3 smimeoptions-len-lsb + * 4 options-date-len-msb + * 5 options-date-len-lsb + * 6... subjectname + * ... smimeoptions + * ... options-date + * + * The database key for this type of entry is the email address string + * The "subjectname" value is the DER encoded DN of the identity + * that matches this nickname. + * The "smimeoptions" value is a string that represents the algorithm + * capabilities on the remote user. + * The "options-date" is the date that the smime options value was created. + * This is generally the signing time of the signed message that contained + * the options. It is a UTCTime value. + */ +typedef struct { + certDBEntryCommon common; + char *emailAddr; + SECItem subjectName; + SECItem smimeOptions; + SECItem optionsDate; +} certDBEntrySMime; + +#define DB_SMIME_ENTRY_HEADER_LEN 6 + +/* + * Crl/krl entry: + * + * byte offset field + * ----------- ----- + * 0 derCert-len-msb + * 1 derCert-len-lsb + * 2 url-len-msb + * 3 url-len-lsb + * ... derCert + * ... url + * + * NOTE: the url string as stored in the database is null terminated, + * in other words, the last byte of the db entry is always 0 + * if a nickname is present. + * NOTE: if url is not present, then url-len-msb and + * url-len-lsb will both be zero. + */ +#define DB_CRL_ENTRY_HEADER_LEN 4 +struct _certDBEntryRevocation { + certDBEntryCommon common; + SECItem derCrl; + char *url; /* where to load the crl from */ +}; + +/* + * Database Version Entry: + * + * byte offset field + * ----------- ----- + * only the low level header... + * + * The database key for this type of entry is the string "Version" + */ +typedef struct { + certDBEntryCommon common; +} certDBEntryVersion; + +#define SEC_DB_VERSION_KEY "Version" +#define SEC_DB_VERSION_KEY_LEN sizeof(SEC_DB_VERSION_KEY) + +/* + * Database Content Version Entry: + * + * byte offset field + * ----------- ----- + * 0 contentVersion + * + * The database key for this type of entry is the string "ContentVersion" + */ +typedef struct { + certDBEntryCommon common; + char contentVersion; +} certDBEntryContentVersion; + +#define SEC_DB_CONTENT_VERSION_KEY "ContentVersion" +#define SEC_DB_CONTENT_VERSION_KEY_LEN sizeof(SEC_DB_CONTENT_VERSION_KEY) + +typedef union { + certDBEntryCommon common; + certDBEntryCert cert; + certDBEntryContentVersion content; + certDBEntryNickname nickname; + certDBEntryRevocation revocation; + certDBEntrySMime smime; + certDBEntrySubject subject; + certDBEntryVersion version; +} certDBEntry; + +/* length of the fixed part of a database entry */ +#define DBCERT_V4_HEADER_LEN 7 +#define DB_CERT_V5_ENTRY_HEADER_LEN 7 +#define DB_CERT_V6_ENTRY_HEADER_LEN 7 +#define DB_CERT_ENTRY_HEADER_LEN 10 + +/* common flags for all types of certificates */ +#define CERTDB_TERMINAL_RECORD (1u << 0) +#define CERTDB_TRUSTED (1u << 1) +#define CERTDB_SEND_WARN (1u << 2) +#define CERTDB_VALID_CA (1u << 3) +#define CERTDB_TRUSTED_CA (1u << 4) /* trusted for issuing server certs */ +#define CERTDB_NS_TRUSTED_CA (1u << 5) +#define CERTDB_USER (1u << 6) +#define CERTDB_TRUSTED_CLIENT_CA (1u << 7) /* trusted for issuing client certs */ +#define CERTDB_INVISIBLE_CA (1u << 8) /* don't show in UI */ +#define CERTDB_GOVT_APPROVED_CA (1u << 9) /* can do strong crypto in export ver */ +#define CERTDB_MUST_VERIFY (1u << 10) /* explicitly don't trust this cert */ +#define CERTDB_TRUSTED_UNKNOWN (1u << 11) /* accept trust from another source */ + +/* bits not affected by the CKO_NETSCAPE_TRUST object */ +#define CERTDB_PRESERVE_TRUST_BITS (CERTDB_USER | \ + CERTDB_NS_TRUSTED_CA | CERTDB_VALID_CA | CERTDB_INVISIBLE_CA | \ + CERTDB_GOVT_APPROVED_CA) + +#endif /* _PCERTT_H_ */ diff --git a/security/nss/lib/softoken/legacydb/pk11db.c b/security/nss/lib/softoken/legacydb/pk11db.c new file mode 100644 index 000000000..a7421c83d --- /dev/null +++ b/security/nss/lib/softoken/legacydb/pk11db.c @@ -0,0 +1,731 @@ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ +/* + * The following code handles the storage of PKCS 11 modules used by the + * NSS. This file is written to abstract away how the modules are + * stored so we can deside that later. + */ + +#include "lgdb.h" +#include "mcom_db.h" +#include "secerr.h" +#include "utilpars.h" + +#define FREE_CLEAR(p) \ + if (p) { \ + PORT_Free(p); \ + p = NULL; \ + } + +/* Construct a database key for a given module */ +static SECStatus +lgdb_MakeKey(DBT *key, char *module) +{ + int len = 0; + char *commonName; + + commonName = NSSUTIL_ArgGetParamValue("name", module); + if (commonName == NULL) { + commonName = NSSUTIL_ArgGetParamValue("library", module); + } + if (commonName == NULL) + return SECFailure; + len = PORT_Strlen(commonName); + key->data = commonName; + key->size = len; + return SECSuccess; +} + +/* free out constructed database key */ +static void +lgdb_FreeKey(DBT *key) +{ + if (key->data) { + PORT_Free(key->data); + } + key->data = NULL; + key->size = 0; +} + +typedef struct lgdbDataStr lgdbData; +typedef struct lgdbSlotDataStr lgdbSlotData; +struct lgdbDataStr { + unsigned char major; + unsigned char minor; + unsigned char nameStart[2]; + unsigned char slotOffset[2]; + unsigned char internal; + unsigned char fips; + unsigned char ssl[8]; + unsigned char trustOrder[4]; + unsigned char cipherOrder[4]; + unsigned char reserved1; + unsigned char isModuleDB; + unsigned char isModuleDBOnly; + unsigned char isCritical; + unsigned char reserved[4]; + unsigned char names[6]; /* enough space for the length fields */ +}; + +struct lgdbSlotDataStr { + unsigned char slotID[4]; + unsigned char defaultFlags[4]; + unsigned char timeout[4]; + unsigned char askpw; + unsigned char hasRootCerts; + unsigned char reserved[18]; /* this makes it a round 32 bytes */ +}; + +#define LGDB_DB_VERSION_MAJOR 0 +#define LGDB_DB_VERSION_MINOR 6 +#define LGDB_DB_EXT1_VERSION_MAJOR 0 +#define LGDB_DB_EXT1_VERSION_MINOR 6 +#define LGDB_DB_NOUI_VERSION_MAJOR 0 +#define LGDB_DB_NOUI_VERSION_MINOR 4 + +#define LGDB_PUTSHORT(dest, src) \ + (dest)[1] = (unsigned char)((src)&0xff); \ + (dest)[0] = (unsigned char)(((src) >> 8) & 0xff); +#define LGDB_PUTLONG(dest, src) \ + (dest)[3] = (unsigned char)((src)&0xff); \ + (dest)[2] = (unsigned char)(((src) >> 8) & 0xff); \ + (dest)[1] = (unsigned char)(((src) >> 16) & 0xff); \ + (dest)[0] = (unsigned char)(((src) >> 24) & 0xff); +#define LGDB_GETSHORT(src) \ + ((unsigned short)(((src)[0] << 8) | (src)[1])) +#define LGDB_GETLONG(src) \ + ((unsigned long)(((unsigned long)(src)[0] << 24) | \ + ((unsigned long)(src)[1] << 16) | \ + ((unsigned long)(src)[2] << 8) | \ + (unsigned long)(src)[3])) + +/* + * build a data base entry from a module + */ +static SECStatus +lgdb_EncodeData(DBT *data, char *module) +{ + lgdbData *encoded = NULL; + lgdbSlotData *slot; + unsigned char *dataPtr, *offsetPtr; + unsigned short len, len2 = 0, len3 = 0; + int count = 0; + unsigned short offset; + int dataLen, i; + unsigned long order; + unsigned long ssl[2]; + char *commonName = NULL, *dllName = NULL, *param = NULL, *nss = NULL; + char *slotParams, *ciphers; + struct NSSUTILPreSlotInfoStr *slotInfo = NULL; + SECStatus rv = SECFailure; + + rv = NSSUTIL_ArgParseModuleSpec(module, &dllName, &commonName, ¶m, &nss); + if (rv != SECSuccess) + return rv; + rv = SECFailure; + + if (commonName == NULL) { + /* set error */ + goto loser; + } + + len = PORT_Strlen(commonName); + if (dllName) { + len2 = PORT_Strlen(dllName); + } + if (param) { + len3 = PORT_Strlen(param); + } + + slotParams = NSSUTIL_ArgGetParamValue("slotParams", nss); + slotInfo = NSSUTIL_ArgParseSlotInfo(NULL, slotParams, &count); + if (slotParams) + PORT_Free(slotParams); + + if (count && slotInfo == NULL) { + /* set error */ + goto loser; + } + + dataLen = sizeof(lgdbData) + len + len2 + len3 + sizeof(unsigned short) + + count * sizeof(lgdbSlotData); + + data->data = (unsigned char *)PORT_ZAlloc(dataLen); + encoded = (lgdbData *)data->data; + dataPtr = (unsigned char *)data->data; + data->size = dataLen; + + if (encoded == NULL) { + /* set error */ + goto loser; + } + + encoded->major = LGDB_DB_VERSION_MAJOR; + encoded->minor = LGDB_DB_VERSION_MINOR; + encoded->internal = (unsigned char)(NSSUTIL_ArgHasFlag("flags", "internal", nss) ? 1 : 0); + encoded->fips = (unsigned char)(NSSUTIL_ArgHasFlag("flags", "FIPS", nss) ? 1 : 0); + encoded->isModuleDB = (unsigned char)(NSSUTIL_ArgHasFlag("flags", "isModuleDB", nss) ? 1 : 0); + encoded->isModuleDBOnly = (unsigned char)(NSSUTIL_ArgHasFlag("flags", "isModuleDBOnly", nss) ? 1 : 0); + encoded->isCritical = (unsigned char)(NSSUTIL_ArgHasFlag("flags", "critical", nss) ? 1 : 0); + + order = NSSUTIL_ArgReadLong("trustOrder", nss, + NSSUTIL_DEFAULT_TRUST_ORDER, NULL); + LGDB_PUTLONG(encoded->trustOrder, order); + order = NSSUTIL_ArgReadLong("cipherOrder", nss, + NSSUTIL_DEFAULT_CIPHER_ORDER, NULL); + LGDB_PUTLONG(encoded->cipherOrder, order); + + ciphers = NSSUTIL_ArgGetParamValue("ciphers", nss); + NSSUTIL_ArgParseCipherFlags(&ssl[0], ciphers); + LGDB_PUTLONG(encoded->ssl, ssl[0]); + LGDB_PUTLONG(&encoded->ssl[4], ssl[1]); + if (ciphers) + PORT_Free(ciphers); + + offset = (unsigned short)offsetof(lgdbData, names); + LGDB_PUTSHORT(encoded->nameStart, offset); + offset = offset + len + len2 + len3 + 3 * sizeof(unsigned short); + LGDB_PUTSHORT(encoded->slotOffset, offset); + + LGDB_PUTSHORT(&dataPtr[offset], ((unsigned short)count)); + slot = (lgdbSlotData *)(dataPtr + offset + sizeof(unsigned short)); + + offsetPtr = encoded->names; + LGDB_PUTSHORT(encoded->names, len); + offsetPtr += sizeof(unsigned short); + PORT_Memcpy(offsetPtr, commonName, len); + offsetPtr += len; + + LGDB_PUTSHORT(offsetPtr, len2); + offsetPtr += sizeof(unsigned short); + if (len2) { + PORT_Memcpy(offsetPtr, dllName, len2); + } + offsetPtr += len2; + + LGDB_PUTSHORT(offsetPtr, len3); + offsetPtr += sizeof(unsigned short); + if (len3) { + PORT_Memcpy(offsetPtr, param, len3); + } + offsetPtr += len3; + + if (count) { + for (i = 0; i < count; i++) { + LGDB_PUTLONG(slot[i].slotID, slotInfo[i].slotID); + LGDB_PUTLONG(slot[i].defaultFlags, + slotInfo[i].defaultFlags); + LGDB_PUTLONG(slot[i].timeout, slotInfo[i].timeout); + slot[i].askpw = slotInfo[i].askpw; + slot[i].hasRootCerts = slotInfo[i].hasRootCerts; + PORT_Memset(slot[i].reserved, 0, sizeof(slot[i].reserved)); + } + } + rv = SECSuccess; + +loser: + if (commonName) + PORT_Free(commonName); + if (dllName) + PORT_Free(dllName); + if (param) + PORT_Free(param); + if (slotInfo) + PORT_Free(slotInfo); + if (nss) + PORT_Free(nss); + return rv; +} + +static void +lgdb_FreeData(DBT *data) +{ + if (data->data) { + PORT_Free(data->data); + } +} + +static void +lgdb_FreeSlotStrings(char **slotStrings, int count) +{ + int i; + + for (i = 0; i < count; i++) { + if (slotStrings[i]) { + PR_smprintf_free(slotStrings[i]); + slotStrings[i] = NULL; + } + } +} + +/* + * build a module from the data base entry. + */ +static char * +lgdb_DecodeData(char *defParams, DBT *data, PRBool *retInternal) +{ + lgdbData *encoded; + lgdbSlotData *slots; + PLArenaPool *arena; + char *commonName = NULL; + char *dllName = NULL; + char *parameters = NULL; + char *nss; + char *moduleSpec; + char **slotStrings = NULL; + unsigned char *names; + unsigned long slotCount; + unsigned long ssl0 = 0; + unsigned long ssl1 = 0; + unsigned long slotID; + unsigned long defaultFlags; + unsigned long timeout; + unsigned long trustOrder = NSSUTIL_DEFAULT_TRUST_ORDER; + unsigned long cipherOrder = NSSUTIL_DEFAULT_CIPHER_ORDER; + unsigned short len; + unsigned short namesOffset = 0; /* start of the names block */ + unsigned long namesRunningOffset; /* offset to name we are + * currently processing */ + unsigned short slotOffset; + PRBool isOldVersion = PR_FALSE; + PRBool internal; + PRBool isFIPS; + PRBool isModuleDB = PR_FALSE; + PRBool isModuleDBOnly = PR_FALSE; + PRBool extended = PR_FALSE; + int i; + + arena = PORT_NewArena(SEC_ASN1_DEFAULT_ARENA_SIZE); + if (arena == NULL) + return NULL; + +#define CHECK_SIZE(x) \ + if ((unsigned int)data->size < (unsigned int)(x)) \ + goto db_loser + + /* ------------------------------------------------------------- + ** Process the buffer header, which is the lgdbData struct. + ** It may be an old or new version. Check the length for each. + */ + + CHECK_SIZE(offsetof(lgdbData, trustOrder[0])); + + encoded = (lgdbData *)data->data; + + internal = (encoded->internal != 0) ? PR_TRUE : PR_FALSE; + isFIPS = (encoded->fips != 0) ? PR_TRUE : PR_FALSE; + + if (retInternal) + *retInternal = internal; + if (internal) { + parameters = PORT_ArenaStrdup(arena, defParams); + if (parameters == NULL) + goto loser; + } + if (internal && (encoded->major == LGDB_DB_NOUI_VERSION_MAJOR) && + (encoded->minor <= LGDB_DB_NOUI_VERSION_MINOR)) { + isOldVersion = PR_TRUE; + } + if ((encoded->major == LGDB_DB_EXT1_VERSION_MAJOR) && + (encoded->minor >= LGDB_DB_EXT1_VERSION_MINOR)) { + CHECK_SIZE(sizeof(lgdbData)); + trustOrder = LGDB_GETLONG(encoded->trustOrder); + cipherOrder = LGDB_GETLONG(encoded->cipherOrder); + isModuleDB = (encoded->isModuleDB != 0) ? PR_TRUE : PR_FALSE; + isModuleDBOnly = (encoded->isModuleDBOnly != 0) ? PR_TRUE : PR_FALSE; + extended = PR_TRUE; + } + if (internal && !extended) { + trustOrder = 0; + cipherOrder = 100; + } + /* decode SSL cipher enable flags */ + ssl0 = LGDB_GETLONG(encoded->ssl); + ssl1 = LGDB_GETLONG(encoded->ssl + 4); + + slotOffset = LGDB_GETSHORT(encoded->slotOffset); + namesOffset = LGDB_GETSHORT(encoded->nameStart); + + /*-------------------------------------------------------------- + ** Now process the variable length set of names. + ** The names have this structure: + ** struct { + ** BYTE commonNameLen[ 2 ]; + ** BYTE commonName [ commonNameLen ]; + ** BTTE libNameLen [ 2 ]; + ** BYTE libName [ libNameLen ]; + ** If it is "extended" it also has these members: + ** BYTE initStringLen[ 2 ]; + ** BYTE initString [ initStringLen ]; + ** } + */ + + namesRunningOffset = namesOffset; + /* copy the module's common name */ + CHECK_SIZE(namesRunningOffset + 2); + names = (unsigned char *)data->data; + len = LGDB_GETSHORT(names + namesRunningOffset); + + CHECK_SIZE(namesRunningOffset + 2 + len); + commonName = (char *)PORT_ArenaAlloc(arena, len + 1); + if (commonName == NULL) + goto loser; + PORT_Memcpy(commonName, names + namesRunningOffset + 2, len); + commonName[len] = 0; + namesRunningOffset += len + 2; + + /* copy the module's shared library file name. */ + CHECK_SIZE(namesRunningOffset + 2); + len = LGDB_GETSHORT(names + namesRunningOffset); + if (len) { + CHECK_SIZE(namesRunningOffset + 2 + len); + dllName = (char *)PORT_ArenaAlloc(arena, len + 1); + if (dllName == NULL) + goto loser; + PORT_Memcpy(dllName, names + namesRunningOffset + 2, len); + dllName[len] = 0; + } + namesRunningOffset += len + 2; + + /* copy the module's initialization string, if present. */ + if (!internal && extended) { + CHECK_SIZE(namesRunningOffset + 2); + len = LGDB_GETSHORT(names + namesRunningOffset); + if (len) { + CHECK_SIZE(namesRunningOffset + 2 + len); + parameters = (char *)PORT_ArenaAlloc(arena, len + 1); + if (parameters == NULL) + goto loser; + PORT_Memcpy(parameters, names + namesRunningOffset + 2, len); + parameters[len] = 0; + } + namesRunningOffset += len + 2; + } + + /* + * Consistency check: Make sure the slot and names blocks don't + * overlap. These blocks can occur in any order, so this check is made + * in 2 parts. First we check the case where the slot block starts + * after the name block. Later, when we have the slot block length, + * we check the case where slot block starts before the name block. + * NOTE: in most cases any overlap will likely be detected by invalid + * data read from the blocks, but it's better to find out sooner + * than later. + */ + if (slotOffset >= namesOffset) { /* slot block starts after name block */ + if (slotOffset < namesRunningOffset) { + goto db_loser; + } + } + + /* ------------------------------------------------------------------ + ** Part 3, process the slot table. + ** This part has this structure: + ** struct { + ** BYTE slotCount [ 2 ]; + ** lgdbSlotData [ slotCount ]; + ** { + */ + + CHECK_SIZE(slotOffset + 2); + slotCount = LGDB_GETSHORT((unsigned char *)data->data + slotOffset); + + /* + * Consistency check: Part 2. We now have the slot block length, we can + * check the case where the slotblock procedes the name block. + */ + if (slotOffset < namesOffset) { /* slot block starts before name block */ + if (namesOffset < slotOffset + 2 + slotCount * sizeof(lgdbSlotData)) { + goto db_loser; + } + } + + CHECK_SIZE((slotOffset + 2 + slotCount * sizeof(lgdbSlotData))); + slots = (lgdbSlotData *)((unsigned char *)data->data + slotOffset + 2); + + /* slotCount; */ + slotStrings = (char **)PORT_ArenaZAlloc(arena, slotCount * sizeof(char *)); + if (slotStrings == NULL) + goto loser; + for (i = 0; i < (int)slotCount; i++, slots++) { + PRBool hasRootCerts = PR_FALSE; + PRBool hasRootTrust = PR_FALSE; + slotID = LGDB_GETLONG(slots->slotID); + defaultFlags = LGDB_GETLONG(slots->defaultFlags); + timeout = LGDB_GETLONG(slots->timeout); + hasRootCerts = slots->hasRootCerts; + if (isOldVersion && internal && (slotID != 2)) { + unsigned long internalFlags = + NSSUTIL_ArgParseSlotFlags("slotFlags", + NSSUTIL_DEFAULT_SFTKN_FLAGS); + defaultFlags |= internalFlags; + } + if (hasRootCerts && !extended) { + trustOrder = 100; + } + + slotStrings[i] = NSSUTIL_MkSlotString(slotID, defaultFlags, timeout, + (unsigned char)slots->askpw, + hasRootCerts, hasRootTrust); + if (slotStrings[i] == NULL) { + lgdb_FreeSlotStrings(slotStrings, i); + goto loser; + } + } + + nss = NSSUTIL_MkNSSString(slotStrings, slotCount, internal, isFIPS, + isModuleDB, isModuleDBOnly, internal, trustOrder, + cipherOrder, ssl0, ssl1); + lgdb_FreeSlotStrings(slotStrings, slotCount); + /* it's permissible (and normal) for nss to be NULL. it simply means + * there are no NSS specific parameters in the database */ + moduleSpec = NSSUTIL_MkModuleSpec(dllName, commonName, parameters, nss); + PR_smprintf_free(nss); + PORT_FreeArena(arena, PR_TRUE); + return moduleSpec; + +db_loser: + PORT_SetError(SEC_ERROR_BAD_DATABASE); +loser: + PORT_FreeArena(arena, PR_TRUE); + return NULL; +} + +static DB * +lgdb_OpenDB(const char *appName, const char *filename, const char *dbName, + PRBool readOnly, PRBool update) +{ + DB *pkcs11db = NULL; + + if (appName) { + char *secname = PORT_Strdup(filename); + int len = strlen(secname); + int status = RDB_FAIL; + + if (len >= 3 && PORT_Strcmp(&secname[len - 3], ".db") == 0) { + secname[len - 3] = 0; + } + pkcs11db = + rdbopen(appName, "", secname, readOnly ? NO_RDONLY : NO_RDWR, NULL); + if (update && !pkcs11db) { + DB *updatedb; + + pkcs11db = rdbopen(appName, "", secname, NO_CREATE, &status); + if (!pkcs11db) { + if (status == RDB_RETRY) { + pkcs11db = rdbopen(appName, "", secname, + readOnly ? NO_RDONLY : NO_RDWR, NULL); + } + PORT_Free(secname); + return pkcs11db; + } + updatedb = dbopen(dbName, NO_RDONLY, 0600, DB_HASH, 0); + if (updatedb) { + db_Copy(pkcs11db, updatedb); + (*updatedb->close)(updatedb); + } else { + (*pkcs11db->close)(pkcs11db); + PORT_Free(secname); + return NULL; + } + } + PORT_Free(secname); + return pkcs11db; + } + + /* I'm sure we should do more checks here sometime... */ + pkcs11db = dbopen(dbName, readOnly ? NO_RDONLY : NO_RDWR, 0600, DB_HASH, 0); + + /* didn't exist? create it */ + if (pkcs11db == NULL) { + if (readOnly) + return NULL; + + pkcs11db = dbopen(dbName, NO_CREATE, 0600, DB_HASH, 0); + if (pkcs11db) + (*pkcs11db->sync)(pkcs11db, 0); + } + return pkcs11db; +} + +static void +lgdb_CloseDB(DB *pkcs11db) +{ + (*pkcs11db->close)(pkcs11db); +} + +SECStatus legacy_AddSecmodDB(const char *appName, const char *filename, + const char *dbname, char *module, PRBool rw); + +#define LGDB_STEP 10 +/* + * Read all the existing modules in + */ +char ** +legacy_ReadSecmodDB(const char *appName, const char *filename, + const char *dbname, char *params, PRBool rw) +{ + DBT key, data; + int ret; + DB *pkcs11db = NULL; + char **moduleList = NULL, **newModuleList = NULL; + int moduleCount = 1; + int useCount = LGDB_STEP; + + moduleList = (char **)PORT_ZAlloc(useCount * sizeof(char **)); + if (moduleList == NULL) + return NULL; + + pkcs11db = lgdb_OpenDB(appName, filename, dbname, PR_TRUE, rw); + if (pkcs11db == NULL) + goto done; + + /* read and parse the file or data base */ + ret = (*pkcs11db->seq)(pkcs11db, &key, &data, R_FIRST); + if (ret) + goto done; + + do { + char *moduleString; + PRBool internal = PR_FALSE; + if ((moduleCount + 1) >= useCount) { + useCount += LGDB_STEP; + newModuleList = + (char **)PORT_Realloc(moduleList, useCount * sizeof(char *)); + if (newModuleList == NULL) + goto done; + moduleList = newModuleList; + PORT_Memset(&moduleList[moduleCount + 1], 0, + sizeof(char *) * LGDB_STEP); + } + moduleString = lgdb_DecodeData(params, &data, &internal); + if (internal) { + moduleList[0] = moduleString; + } else { + moduleList[moduleCount] = moduleString; + moduleCount++; + } + } while ((*pkcs11db->seq)(pkcs11db, &key, &data, R_NEXT) == 0); + +done: + if (!moduleList[0]) { + char *newparams = NSSUTIL_Quote(params, '"'); + if (newparams) { + moduleList[0] = PR_smprintf( + NSSUTIL_DEFAULT_INTERNAL_INIT1 "%s" NSSUTIL_DEFAULT_INTERNAL_INIT2 "%s" NSSUTIL_DEFAULT_INTERNAL_INIT3, + newparams, NSSUTIL_DEFAULT_SFTKN_FLAGS); + PORT_Free(newparams); + } + } + /* deal with trust cert db here */ + + if (pkcs11db) { + lgdb_CloseDB(pkcs11db); + } else if (moduleList[0] && rw) { + legacy_AddSecmodDB(appName, filename, dbname, moduleList[0], rw); + } + if (!moduleList[0]) { + PORT_Free(moduleList); + moduleList = NULL; + } + return moduleList; +} + +SECStatus +legacy_ReleaseSecmodDBData(const char *appName, const char *filename, + const char *dbname, char **moduleSpecList, PRBool rw) +{ + if (moduleSpecList) { + char **index; + for (index = moduleSpecList; *index; index++) { + PR_smprintf_free(*index); + } + PORT_Free(moduleSpecList); + } + return SECSuccess; +} + +/* + * Delete a module from the Data Base + */ +SECStatus +legacy_DeleteSecmodDB(const char *appName, const char *filename, + const char *dbname, char *args, PRBool rw) +{ + DBT key; + SECStatus rv = SECFailure; + DB *pkcs11db = NULL; + int ret; + + if (!rw) + return SECFailure; + + /* make sure we have a db handle */ + pkcs11db = lgdb_OpenDB(appName, filename, dbname, PR_FALSE, PR_FALSE); + if (pkcs11db == NULL) { + return SECFailure; + } + + rv = lgdb_MakeKey(&key, args); + if (rv != SECSuccess) + goto done; + rv = SECFailure; + ret = (*pkcs11db->del)(pkcs11db, &key, 0); + lgdb_FreeKey(&key); + if (ret != 0) + goto done; + + ret = (*pkcs11db->sync)(pkcs11db, 0); + if (ret == 0) + rv = SECSuccess; + +done: + lgdb_CloseDB(pkcs11db); + return rv; +} + +/* + * Add a module to the Data base + */ +SECStatus +legacy_AddSecmodDB(const char *appName, const char *filename, + const char *dbname, char *module, PRBool rw) +{ + DBT key, data; + SECStatus rv = SECFailure; + DB *pkcs11db = NULL; + int ret; + + if (!rw) + return SECFailure; + + /* make sure we have a db handle */ + pkcs11db = lgdb_OpenDB(appName, filename, dbname, PR_FALSE, PR_FALSE); + if (pkcs11db == NULL) { + return SECFailure; + } + + rv = lgdb_MakeKey(&key, module); + if (rv != SECSuccess) + goto done; + rv = lgdb_EncodeData(&data, module); + if (rv != SECSuccess) { + lgdb_FreeKey(&key); + goto done; + } + rv = SECFailure; + ret = (*pkcs11db->put)(pkcs11db, &key, &data, 0); + lgdb_FreeKey(&key); + lgdb_FreeData(&data); + if (ret != 0) + goto done; + + ret = (*pkcs11db->sync)(pkcs11db, 0); + if (ret == 0) + rv = SECSuccess; + +done: + lgdb_CloseDB(pkcs11db); + return rv; +} |