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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /security/nss/lib/ckfw/dbm/db.c
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
Diffstat (limited to 'security/nss/lib/ckfw/dbm/db.c')
-rw-r--r--security/nss/lib/ckfw/dbm/db.c1069
1 files changed, 1069 insertions, 0 deletions
diff --git a/security/nss/lib/ckfw/dbm/db.c b/security/nss/lib/ckfw/dbm/db.c
new file mode 100644
index 000000000..bbf2b9510
--- /dev/null
+++ b/security/nss/lib/ckfw/dbm/db.c
@@ -0,0 +1,1069 @@
+/* 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 "ckdbm.h"
+
+#define PREFIX_METADATA "0000"
+#define PREFIX_OBJECT "0001"
+#define PREFIX_INDEX "0002"
+
+static CK_VERSION nss_dbm_db_format_version = { 1, 0 };
+struct handle {
+ char prefix[4];
+ CK_ULONG id;
+};
+
+NSS_IMPLEMENT nss_dbm_db_t *
+nss_dbm_db_open(
+ NSSArena *arena,
+ NSSCKFWInstance *fwInstance,
+ char *filename,
+ int flags,
+ CK_RV *pError)
+{
+ nss_dbm_db_t *rv;
+ CK_VERSION db_version;
+
+ rv = nss_ZNEW(arena, nss_dbm_db_t);
+ if ((nss_dbm_db_t *)NULL == rv) {
+ *pError = CKR_HOST_MEMORY;
+ return (nss_dbm_db_t *)NULL;
+ }
+
+ rv->db = dbopen(filename, flags, 0600, DB_HASH, (const void *)NULL);
+ if ((DB *)NULL == rv->db) {
+ *pError = CKR_TOKEN_NOT_PRESENT;
+ return (nss_dbm_db_t *)NULL;
+ }
+
+ rv->crustylock = NSSCKFWInstance_CreateMutex(fwInstance, arena, pError);
+ if ((NSSCKFWMutex *)NULL == rv->crustylock) {
+ return (nss_dbm_db_t *)NULL;
+ }
+
+ db_version = nss_dbm_db_get_format_version(rv);
+ if (db_version.major != nss_dbm_db_format_version.major) {
+ nss_dbm_db_close(rv);
+ *pError = CKR_TOKEN_NOT_RECOGNIZED;
+ return (nss_dbm_db_t *)NULL;
+ }
+
+ return rv;
+}
+
+NSS_IMPLEMENT void
+nss_dbm_db_close(
+ nss_dbm_db_t *db)
+{
+ if ((NSSCKFWMutex *)NULL != db->crustylock) {
+ (void)NSSCKFWMutex_Destroy(db->crustylock);
+ }
+
+ if ((DB *)NULL != db->db) {
+ (void)db->db->close(db->db);
+ }
+
+ nss_ZFreeIf(db);
+}
+
+NSS_IMPLEMENT CK_VERSION
+nss_dbm_db_get_format_version(
+ nss_dbm_db_t *db)
+{
+ CK_VERSION rv;
+ DBT k, v;
+ int dbrv;
+ char buffer[64];
+
+ rv.major = rv.minor = 0;
+
+ k.data = PREFIX_METADATA "FormatVersion";
+ k.size = nssUTF8_Size((NSSUTF8 *)k.data, (PRStatus *)NULL);
+ (void)memset(&v, 0, sizeof(v));
+
+ /* Locked region */
+ {
+ if (CKR_OK != NSSCKFWMutex_Lock(db->crustylock)) {
+ return rv;
+ }
+
+ dbrv = db->db->get(db->db, &k, &v, 0);
+ if (dbrv == 0) {
+ CK_ULONG major = 0, minor = 0;
+ (void)PR_sscanf(v.data, "%ld.%ld", &major, &minor);
+ rv.major = major;
+ rv.minor = minor;
+ } else if (dbrv > 0) {
+ (void)PR_snprintf(buffer, sizeof(buffer), "%ld.%ld", nss_dbm_db_format_version.major,
+ nss_dbm_db_format_version.minor);
+ v.data = buffer;
+ v.size = nssUTF8_Size((NSSUTF8 *)v.data, (PRStatus *)NULL);
+ dbrv = db->db->put(db->db, &k, &v, 0);
+ (void)db->db->sync(db->db, 0);
+ rv = nss_dbm_db_format_version;
+ } else {
+ /* No error return.. */
+ ;
+ }
+
+ (void)NSSCKFWMutex_Unlock(db->crustylock);
+ }
+
+ return rv;
+}
+
+NSS_IMPLEMENT CK_RV
+nss_dbm_db_set_label(
+ nss_dbm_db_t *db,
+ NSSUTF8 *label)
+{
+ CK_RV rv;
+ DBT k, v;
+ int dbrv;
+
+ k.data = PREFIX_METADATA "Label";
+ k.size = nssUTF8_Size((NSSUTF8 *)k.data, (PRStatus *)NULL);
+ v.data = label;
+ v.size = nssUTF8_Size((NSSUTF8 *)v.data, (PRStatus *)NULL);
+
+ /* Locked region */
+ {
+ rv = NSSCKFWMutex_Lock(db->crustylock);
+ if (CKR_OK != rv) {
+ return rv;
+ }
+
+ dbrv = db->db->put(db->db, &k, &v, 0);
+ if (0 != dbrv) {
+ rv = CKR_DEVICE_ERROR;
+ }
+
+ dbrv = db->db->sync(db->db, 0);
+ if (0 != dbrv) {
+ rv = CKR_DEVICE_ERROR;
+ }
+
+ (void)NSSCKFWMutex_Unlock(db->crustylock);
+ }
+
+ return rv;
+}
+
+NSS_IMPLEMENT NSSUTF8 *
+nss_dbm_db_get_label(
+ nss_dbm_db_t *db,
+ NSSArena *arena,
+ CK_RV *pError)
+{
+ NSSUTF8 *rv = (NSSUTF8 *)NULL;
+ DBT k, v;
+ int dbrv;
+
+ k.data = PREFIX_METADATA "Label";
+ k.size = nssUTF8_Size((NSSUTF8 *)k.data, (PRStatus *)NULL);
+
+ /* Locked region */
+ {
+ if (CKR_OK != NSSCKFWMutex_Lock(db->crustylock)) {
+ return rv;
+ }
+
+ dbrv = db->db->get(db->db, &k, &v, 0);
+ if (0 == dbrv) {
+ rv = nssUTF8_Duplicate((NSSUTF8 *)v.data, arena);
+ if ((NSSUTF8 *)NULL == rv) {
+ *pError = CKR_HOST_MEMORY;
+ }
+ } else if (dbrv > 0) {
+ /* Just return null */
+ ;
+ } else {
+ *pError = CKR_DEVICE_ERROR;
+ ;
+ }
+
+ (void)NSSCKFWMutex_Unlock(db->crustylock);
+ }
+
+ return rv;
+}
+
+NSS_IMPLEMENT CK_RV
+nss_dbm_db_delete_object(
+ nss_dbm_dbt_t *dbt)
+{
+ CK_RV rv;
+ int dbrv;
+
+ /* Locked region */
+ {
+ rv = NSSCKFWMutex_Lock(dbt->my_db->crustylock);
+ if (CKR_OK != rv) {
+ return rv;
+ }
+
+ dbrv = dbt->my_db->db->del(dbt->my_db->db, &dbt->dbt, 0);
+ if (0 != dbrv) {
+ rv = CKR_DEVICE_ERROR;
+ goto done;
+ }
+
+ dbrv = dbt->my_db->db->sync(dbt->my_db->db, 0);
+ if (0 != dbrv) {
+ rv = CKR_DEVICE_ERROR;
+ goto done;
+ }
+
+ done:
+ (void)NSSCKFWMutex_Unlock(dbt->my_db->crustylock);
+ }
+
+ return rv;
+}
+
+static CK_ULONG
+nss_dbm_db_new_handle(
+ nss_dbm_db_t *db,
+ DBT *dbt, /* pre-allocated */
+ CK_RV *pError)
+{
+ CK_ULONG rv;
+ DBT k, v;
+ CK_ULONG align = 0, id, myid;
+ struct handle *hp;
+
+ if (sizeof(struct handle) != dbt->size) {
+ return EINVAL;
+ }
+
+ /* Locked region */
+ {
+ *pError = NSSCKFWMutex_Lock(db->crustylock);
+ if (CKR_OK != *pError) {
+ return EINVAL;
+ }
+
+ k.data = PREFIX_METADATA "LastID";
+ k.size = nssUTF8_Size((NSSUTF8 *)k.data, (PRStatus *)NULL);
+ (void)memset(&v, 0, sizeof(v));
+
+ rv = db->db->get(db->db, &k, &v, 0);
+ if (0 == rv) {
+ (void)memcpy(&align, v.data, sizeof(CK_ULONG));
+ id = ntohl(align);
+ } else if (rv > 0) {
+ id = 0;
+ } else {
+ goto done;
+ }
+
+ myid = id;
+ id++;
+ align = htonl(id);
+ v.data = &align;
+ v.size = sizeof(CK_ULONG);
+
+ rv = db->db->put(db->db, &k, &v, 0);
+ if (0 != rv) {
+ goto done;
+ }
+
+ rv = db->db->sync(db->db, 0);
+ if (0 != rv) {
+ goto done;
+ }
+
+ done:
+ (void)NSSCKFWMutex_Unlock(db->crustylock);
+ }
+
+ if (0 != rv) {
+ return rv;
+ }
+
+ hp = (struct handle *)dbt->data;
+ (void)memcpy(&hp->prefix[0], PREFIX_OBJECT, 4);
+ hp->id = myid;
+
+ return 0;
+}
+
+/*
+ * This attribute-type-dependent swapping should probably
+ * be in the Framework, because it'll be a concern of just
+ * about every Module. Of course any Framework implementation
+ * will have to be augmentable or overridable by a Module.
+ */
+
+enum swap_type { type_byte,
+ type_short,
+ type_long,
+ type_opaque };
+
+static enum swap_type
+nss_dbm_db_swap_type(
+ CK_ATTRIBUTE_TYPE type)
+{
+ switch (type) {
+ case CKA_CLASS:
+ return type_long;
+ case CKA_TOKEN:
+ return type_byte;
+ case CKA_PRIVATE:
+ return type_byte;
+ case CKA_LABEL:
+ return type_opaque;
+ case CKA_APPLICATION:
+ return type_opaque;
+ case CKA_VALUE:
+ return type_opaque;
+ case CKA_CERTIFICATE_TYPE:
+ return type_long;
+ case CKA_ISSUER:
+ return type_opaque;
+ case CKA_SERIAL_NUMBER:
+ return type_opaque;
+ case CKA_KEY_TYPE:
+ return type_long;
+ case CKA_SUBJECT:
+ return type_opaque;
+ case CKA_ID:
+ return type_opaque;
+ case CKA_SENSITIVE:
+ return type_byte;
+ case CKA_ENCRYPT:
+ return type_byte;
+ case CKA_DECRYPT:
+ return type_byte;
+ case CKA_WRAP:
+ return type_byte;
+ case CKA_UNWRAP:
+ return type_byte;
+ case CKA_SIGN:
+ return type_byte;
+ case CKA_SIGN_RECOVER:
+ return type_byte;
+ case CKA_VERIFY:
+ return type_byte;
+ case CKA_VERIFY_RECOVER:
+ return type_byte;
+ case CKA_DERIVE:
+ return type_byte;
+ case CKA_START_DATE:
+ return type_opaque;
+ case CKA_END_DATE:
+ return type_opaque;
+ case CKA_MODULUS:
+ return type_opaque;
+ case CKA_MODULUS_BITS:
+ return type_long;
+ case CKA_PUBLIC_EXPONENT:
+ return type_opaque;
+ case CKA_PRIVATE_EXPONENT:
+ return type_opaque;
+ case CKA_PRIME_1:
+ return type_opaque;
+ case CKA_PRIME_2:
+ return type_opaque;
+ case CKA_EXPONENT_1:
+ return type_opaque;
+ case CKA_EXPONENT_2:
+ return type_opaque;
+ case CKA_COEFFICIENT:
+ return type_opaque;
+ case CKA_PRIME:
+ return type_opaque;
+ case CKA_SUBPRIME:
+ return type_opaque;
+ case CKA_BASE:
+ return type_opaque;
+ case CKA_VALUE_BITS:
+ return type_long;
+ case CKA_VALUE_LEN:
+ return type_long;
+ case CKA_EXTRACTABLE:
+ return type_byte;
+ case CKA_LOCAL:
+ return type_byte;
+ case CKA_NEVER_EXTRACTABLE:
+ return type_byte;
+ case CKA_ALWAYS_SENSITIVE:
+ return type_byte;
+ case CKA_MODIFIABLE:
+ return type_byte;
+ case CKA_NETSCAPE_URL:
+ return type_opaque;
+ case CKA_NETSCAPE_EMAIL:
+ return type_opaque;
+ case CKA_NETSCAPE_SMIME_INFO:
+ return type_opaque;
+ case CKA_NETSCAPE_SMIME_TIMESTAMP:
+ return type_opaque;
+ case CKA_NETSCAPE_PKCS8_SALT:
+ return type_opaque;
+ case CKA_NETSCAPE_PASSWORD_CHECK:
+ return type_opaque;
+ case CKA_NETSCAPE_EXPIRES:
+ return type_opaque;
+ case CKA_TRUST_DIGITAL_SIGNATURE:
+ return type_long;
+ case CKA_TRUST_NON_REPUDIATION:
+ return type_long;
+ case CKA_TRUST_KEY_ENCIPHERMENT:
+ return type_long;
+ case CKA_TRUST_DATA_ENCIPHERMENT:
+ return type_long;
+ case CKA_TRUST_KEY_AGREEMENT:
+ return type_long;
+ case CKA_TRUST_KEY_CERT_SIGN:
+ return type_long;
+ case CKA_TRUST_CRL_SIGN:
+ return type_long;
+ case CKA_TRUST_SERVER_AUTH:
+ return type_long;
+ case CKA_TRUST_CLIENT_AUTH:
+ return type_long;
+ case CKA_TRUST_CODE_SIGNING:
+ return type_long;
+ case CKA_TRUST_EMAIL_PROTECTION:
+ return type_long;
+ case CKA_TRUST_IPSEC_END_SYSTEM:
+ return type_long;
+ case CKA_TRUST_IPSEC_TUNNEL:
+ return type_long;
+ case CKA_TRUST_IPSEC_USER:
+ return type_long;
+ case CKA_TRUST_TIME_STAMPING:
+ return type_long;
+ case CKA_NETSCAPE_DB:
+ return type_opaque;
+ case CKA_NETSCAPE_TRUST:
+ return type_opaque;
+ default:
+ return type_opaque;
+ }
+}
+
+static void
+nss_dbm_db_swap_copy(
+ CK_ATTRIBUTE_TYPE type,
+ void *dest,
+ void *src,
+ CK_ULONG len)
+{
+ switch (nss_dbm_db_swap_type(type)) {
+ case type_byte:
+ case type_opaque:
+ (void)memcpy(dest, src, len);
+ break;
+ case type_short: {
+ CK_USHORT s, d;
+ (void)memcpy(&s, src, sizeof(CK_USHORT));
+ d = htons(s);
+ (void)memcpy(dest, &d, sizeof(CK_USHORT));
+ break;
+ }
+ case type_long: {
+ CK_ULONG s, d;
+ (void)memcpy(&s, src, sizeof(CK_ULONG));
+ d = htonl(s);
+ (void)memcpy(dest, &d, sizeof(CK_ULONG));
+ break;
+ }
+ }
+}
+
+static CK_RV
+nss_dbm_db_wrap_object(
+ NSSArena *arena,
+ CK_ATTRIBUTE_PTR pTemplate,
+ CK_ULONG ulAttributeCount,
+ DBT *object)
+{
+ CK_ULONG object_size;
+ CK_ULONG i;
+ CK_ULONG *pulData;
+ char *pcData;
+ CK_ULONG offset;
+
+ object_size = (1 + ulAttributeCount * 3) * sizeof(CK_ULONG);
+ offset = object_size;
+ for (i = 0; i < ulAttributeCount; i++) {
+ object_size += pTemplate[i].ulValueLen;
+ }
+
+ object->size = object_size;
+ object->data = nss_ZAlloc(arena, object_size);
+ if ((void *)NULL == object->data) {
+ return CKR_HOST_MEMORY;
+ }
+
+ pulData = (CK_ULONG *)object->data;
+ pcData = (char *)object->data;
+
+ pulData[0] = htonl(ulAttributeCount);
+ for (i = 0; i < ulAttributeCount; i++) {
+ CK_ULONG len = pTemplate[i].ulValueLen;
+ pulData[1 + i * 3] = htonl(pTemplate[i].type);
+ pulData[2 + i * 3] = htonl(len);
+ pulData[3 + i * 3] = htonl(offset);
+ nss_dbm_db_swap_copy(pTemplate[i].type, &pcData[offset], pTemplate[i].pValue, len);
+ offset += len;
+ }
+
+ return CKR_OK;
+}
+
+static CK_RV
+nss_dbm_db_unwrap_object(
+ NSSArena *arena,
+ DBT *object,
+ CK_ATTRIBUTE_PTR *ppTemplate,
+ CK_ULONG *pulAttributeCount)
+{
+ CK_ULONG *pulData;
+ char *pcData;
+ CK_ULONG n, i;
+ CK_ATTRIBUTE_PTR pTemplate;
+
+ pulData = (CK_ULONG *)object->data;
+ pcData = (char *)object->data;
+
+ n = ntohl(pulData[0]);
+ *pulAttributeCount = n;
+ pTemplate = nss_ZNEWARRAY(arena, CK_ATTRIBUTE, n);
+ if ((CK_ATTRIBUTE_PTR)NULL == pTemplate) {
+ return CKR_HOST_MEMORY;
+ }
+
+ for (i = 0; i < n; i++) {
+ CK_ULONG len;
+ CK_ULONG offset;
+ void *p;
+
+ pTemplate[i].type = ntohl(pulData[1 + i * 3]);
+ len = ntohl(pulData[2 + i * 3]);
+ offset = ntohl(pulData[3 + i * 3]);
+
+ p = nss_ZAlloc(arena, len);
+ if ((void *)NULL == p) {
+ return CKR_HOST_MEMORY;
+ }
+
+ nss_dbm_db_swap_copy(pTemplate[i].type, p, &pcData[offset], len);
+ pTemplate[i].ulValueLen = len;
+ pTemplate[i].pValue = p;
+ }
+
+ *ppTemplate = pTemplate;
+ return CKR_OK;
+}
+
+NSS_IMPLEMENT nss_dbm_dbt_t *
+nss_dbm_db_create_object(
+ NSSArena *arena,
+ nss_dbm_db_t *db,
+ CK_ATTRIBUTE_PTR pTemplate,
+ CK_ULONG ulAttributeCount,
+ CK_RV *pError,
+ CK_ULONG *pdbrv)
+{
+ NSSArena *tmparena = (NSSArena *)NULL;
+ nss_dbm_dbt_t *rv = (nss_dbm_dbt_t *)NULL;
+ DBT object;
+
+ rv = nss_ZNEW(arena, nss_dbm_dbt_t);
+ if ((nss_dbm_dbt_t *)NULL == rv) {
+ *pError = CKR_HOST_MEMORY;
+ return (nss_dbm_dbt_t *)NULL;
+ }
+
+ rv->my_db = db;
+ rv->dbt.size = sizeof(struct handle);
+ rv->dbt.data = nss_ZAlloc(arena, rv->dbt.size);
+ if ((void *)NULL == rv->dbt.data) {
+ *pError = CKR_HOST_MEMORY;
+ return (nss_dbm_dbt_t *)NULL;
+ }
+
+ *pdbrv = nss_dbm_db_new_handle(db, &rv->dbt, pError);
+ if (0 != *pdbrv) {
+ return (nss_dbm_dbt_t *)NULL;
+ }
+
+ tmparena = NSSArena_Create();
+ if ((NSSArena *)NULL == tmparena) {
+ *pError = CKR_HOST_MEMORY;
+ return (nss_dbm_dbt_t *)NULL;
+ }
+
+ *pError = nss_dbm_db_wrap_object(tmparena, pTemplate, ulAttributeCount, &object);
+ if (CKR_OK != *pError) {
+ return (nss_dbm_dbt_t *)NULL;
+ }
+
+ /* Locked region */
+ {
+ *pError = NSSCKFWMutex_Lock(db->crustylock);
+ if (CKR_OK != *pError) {
+ goto loser;
+ }
+
+ *pdbrv = db->db->put(db->db, &rv->dbt, &object, 0);
+ if (0 != *pdbrv) {
+ *pError = CKR_DEVICE_ERROR;
+ }
+
+ (void)db->db->sync(db->db, 0);
+
+ (void)NSSCKFWMutex_Unlock(db->crustylock);
+ }
+
+loser:
+ if ((NSSArena *)NULL != tmparena) {
+ (void)NSSArena_Destroy(tmparena);
+ }
+
+ return rv;
+}
+
+NSS_IMPLEMENT CK_RV
+nss_dbm_db_find_objects(
+ nss_dbm_find_t *find,
+ nss_dbm_db_t *db,
+ CK_ATTRIBUTE_PTR pTemplate,
+ CK_ULONG ulAttributeCount,
+ CK_ULONG *pdbrv)
+{
+ CK_RV rv = CKR_OK;
+
+ if ((nss_dbm_db_t *)NULL != db) {
+ DBT k, v;
+
+ rv = NSSCKFWMutex_Lock(db->crustylock);
+ if (CKR_OK != rv) {
+ return rv;
+ }
+
+ *pdbrv = db->db->seq(db->db, &k, &v, R_FIRST);
+ while (0 == *pdbrv) {
+ CK_ULONG i, j;
+ NSSArena *tmparena = (NSSArena *)NULL;
+ CK_ULONG ulac;
+ CK_ATTRIBUTE_PTR pt;
+
+ if ((k.size < 4) || (0 != memcmp(k.data, PREFIX_OBJECT, 4))) {
+ goto nomatch;
+ }
+
+ tmparena = NSSArena_Create();
+
+ rv = nss_dbm_db_unwrap_object(tmparena, &v, &pt, &ulac);
+ if (CKR_OK != rv) {
+ goto loser;
+ }
+
+ for (i = 0; i < ulAttributeCount; i++) {
+ for (j = 0; j < ulac; j++) {
+ if (pTemplate[i].type ==
+ pt[j].type) {
+ if (pTemplate[i].ulValueLen !=
+ pt[j].ulValueLen) {
+ goto nomatch;
+ }
+ if (0 !=
+ memcmp(pTemplate[i].pValue, pt[j].pValue, pt[j].ulValueLen)) {
+ goto nomatch;
+ }
+ break;
+ }
+ }
+ if (j == ulac) {
+ goto nomatch;
+ }
+ }
+
+ /* entire template matches */
+ {
+ struct nss_dbm_dbt_node *node;
+
+ node = nss_ZNEW(find->arena, struct nss_dbm_dbt_node);
+ if ((struct nss_dbm_dbt_node *)NULL == node) {
+ rv =
+ CKR_HOST_MEMORY;
+ goto loser;
+ }
+
+ node->dbt = nss_ZNEW(find->arena, nss_dbm_dbt_t);
+ if ((nss_dbm_dbt_t *)NULL == node->dbt) {
+ rv =
+ CKR_HOST_MEMORY;
+ goto loser;
+ }
+
+ node->dbt->dbt.size = k.size;
+ node->dbt->dbt.data = nss_ZAlloc(find->arena, k.size);
+ if ((void *)NULL == node->dbt->dbt.data) {
+ rv =
+ CKR_HOST_MEMORY;
+ goto loser;
+ }
+
+ (void)memcpy(node->dbt->dbt.data, k.data, k.size);
+
+ node->dbt->my_db = db;
+
+ node->next = find->found;
+ find->found = node;
+ }
+
+ nomatch:
+ if ((NSSArena *)NULL != tmparena) {
+ (void)NSSArena_Destroy(tmparena);
+ }
+ *pdbrv = db->db->seq(db->db, &k, &v, R_NEXT);
+ }
+
+ if (*pdbrv < 0) {
+ rv = CKR_DEVICE_ERROR;
+ goto loser;
+ }
+
+ rv = CKR_OK;
+
+ loser:
+ (void)NSSCKFWMutex_Unlock(db->crustylock);
+ }
+
+ return rv;
+}
+
+NSS_IMPLEMENT CK_BBOOL
+nss_dbm_db_object_still_exists(
+ nss_dbm_dbt_t *dbt)
+{
+ CK_BBOOL rv;
+ CK_RV ckrv;
+ int dbrv;
+ DBT object;
+
+ ckrv = NSSCKFWMutex_Lock(dbt->my_db->crustylock);
+ if (CKR_OK != ckrv) {
+ return CK_FALSE;
+ }
+
+ dbrv = dbt->my_db->db->get(dbt->my_db->db, &dbt->dbt, &object, 0);
+ if (0 == dbrv) {
+ rv = CK_TRUE;
+ } else {
+ rv = CK_FALSE;
+ }
+
+ (void)NSSCKFWMutex_Unlock(dbt->my_db->crustylock);
+
+ return rv;
+}
+
+NSS_IMPLEMENT CK_ULONG
+nss_dbm_db_get_object_attribute_count(
+ nss_dbm_dbt_t *dbt,
+ CK_RV *pError,
+ CK_ULONG *pdbrv)
+{
+ CK_ULONG rv = 0;
+ DBT object;
+ CK_ULONG *pulData;
+
+ /* Locked region */
+ {
+ *pError = NSSCKFWMutex_Lock(dbt->my_db->crustylock);
+ if (CKR_OK != *pError) {
+ return rv;
+ }
+
+ *pdbrv = dbt->my_db->db->get(dbt->my_db->db, &dbt->dbt, &object, 0);
+ if (0 == *pdbrv) {
+ ;
+ } else if (*pdbrv > 0) {
+ *pError = CKR_OBJECT_HANDLE_INVALID;
+ goto done;
+ } else {
+ *pError = CKR_DEVICE_ERROR;
+ goto done;
+ }
+
+ pulData = (CK_ULONG *)object.data;
+ rv = ntohl(pulData[0]);
+
+ done:
+ (void)NSSCKFWMutex_Unlock(dbt->my_db->crustylock);
+ }
+
+ return rv;
+}
+
+NSS_IMPLEMENT CK_RV
+nss_dbm_db_get_object_attribute_types(
+ nss_dbm_dbt_t *dbt,
+ CK_ATTRIBUTE_TYPE_PTR typeArray,
+ CK_ULONG ulCount,
+ CK_ULONG *pdbrv)
+{
+ CK_RV rv = CKR_OK;
+ DBT object;
+ CK_ULONG *pulData;
+ CK_ULONG n, i;
+
+ /* Locked region */
+ {
+ rv = NSSCKFWMutex_Lock(dbt->my_db->crustylock);
+ if (CKR_OK != rv) {
+ return rv;
+ }
+
+ *pdbrv = dbt->my_db->db->get(dbt->my_db->db, &dbt->dbt, &object, 0);
+ if (0 == *pdbrv) {
+ ;
+ } else if (*pdbrv > 0) {
+ rv = CKR_OBJECT_HANDLE_INVALID;
+ goto done;
+ } else {
+ rv = CKR_DEVICE_ERROR;
+ goto done;
+ }
+
+ pulData = (CK_ULONG *)object.data;
+ n = ntohl(pulData[0]);
+
+ if (ulCount < n) {
+ rv = CKR_BUFFER_TOO_SMALL;
+ goto done;
+ }
+
+ for (i = 0; i < n; i++) {
+ typeArray[i] = ntohl(pulData[1 + i * 3]);
+ }
+
+ done:
+ (void)NSSCKFWMutex_Unlock(dbt->my_db->crustylock);
+ }
+
+ return rv;
+}
+
+NSS_IMPLEMENT CK_ULONG
+nss_dbm_db_get_object_attribute_size(
+ nss_dbm_dbt_t *dbt,
+ CK_ATTRIBUTE_TYPE type,
+ CK_RV *pError,
+ CK_ULONG *pdbrv)
+{
+ CK_ULONG rv = 0;
+ DBT object;
+ CK_ULONG *pulData;
+ CK_ULONG n, i;
+
+ /* Locked region */
+ {
+ *pError = NSSCKFWMutex_Lock(dbt->my_db->crustylock);
+ if (CKR_OK != *pError) {
+ return rv;
+ }
+
+ *pdbrv = dbt->my_db->db->get(dbt->my_db->db, &dbt->dbt, &object, 0);
+ if (0 == *pdbrv) {
+ ;
+ } else if (*pdbrv > 0) {
+ *pError = CKR_OBJECT_HANDLE_INVALID;
+ goto done;
+ } else {
+ *pError = CKR_DEVICE_ERROR;
+ goto done;
+ }
+
+ pulData = (CK_ULONG *)object.data;
+ n = ntohl(pulData[0]);
+
+ for (i = 0; i < n; i++) {
+ if (type == ntohl(pulData[1 + i * 3])) {
+ rv = ntohl(pulData[2 + i * 3]);
+ }
+ }
+
+ if (i == n) {
+ *pError = CKR_ATTRIBUTE_TYPE_INVALID;
+ goto done;
+ }
+
+ done:
+ (void)NSSCKFWMutex_Unlock(dbt->my_db->crustylock);
+ }
+
+ return rv;
+}
+
+NSS_IMPLEMENT NSSItem *
+nss_dbm_db_get_object_attribute(
+ nss_dbm_dbt_t *dbt,
+ NSSArena *arena,
+ CK_ATTRIBUTE_TYPE type,
+ CK_RV *pError,
+ CK_ULONG *pdbrv)
+{
+ NSSItem *rv = (NSSItem *)NULL;
+ DBT object;
+ CK_ULONG i;
+ NSSArena *tmp = NSSArena_Create();
+ CK_ATTRIBUTE_PTR pTemplate;
+ CK_ULONG ulAttributeCount;
+
+ /* Locked region */
+ {
+ *pError = NSSCKFWMutex_Lock(dbt->my_db->crustylock);
+ if (CKR_OK != *pError) {
+ goto loser;
+ }
+
+ *pdbrv = dbt->my_db->db->get(dbt->my_db->db, &dbt->dbt, &object, 0);
+ if (0 == *pdbrv) {
+ ;
+ } else if (*pdbrv > 0) {
+ *pError = CKR_OBJECT_HANDLE_INVALID;
+ goto done;
+ } else {
+ *pError = CKR_DEVICE_ERROR;
+ goto done;
+ }
+
+ *pError = nss_dbm_db_unwrap_object(tmp, &object, &pTemplate, &ulAttributeCount);
+ if (CKR_OK != *pError) {
+ goto done;
+ }
+
+ for (i = 0; i < ulAttributeCount; i++) {
+ if (type == pTemplate[i].type) {
+ rv = nss_ZNEW(arena, NSSItem);
+ if ((NSSItem *)NULL == rv) {
+ *pError =
+ CKR_HOST_MEMORY;
+ goto done;
+ }
+ rv->size = pTemplate[i].ulValueLen;
+ rv->data = nss_ZAlloc(arena, rv->size);
+ if ((void *)NULL == rv->data) {
+ *pError =
+ CKR_HOST_MEMORY;
+ goto done;
+ }
+ (void)memcpy(rv->data, pTemplate[i].pValue, rv->size);
+ break;
+ }
+ }
+ if (ulAttributeCount == i) {
+ *pError = CKR_ATTRIBUTE_TYPE_INVALID;
+ goto done;
+ }
+
+ done:
+ (void)NSSCKFWMutex_Unlock(dbt->my_db->crustylock);
+ }
+
+loser:
+ if ((NSSArena *)NULL != tmp) {
+ NSSArena_Destroy(tmp);
+ }
+
+ return rv;
+}
+
+NSS_IMPLEMENT CK_RV
+nss_dbm_db_set_object_attribute(
+ nss_dbm_dbt_t *dbt,
+ CK_ATTRIBUTE_TYPE type,
+ NSSItem *value,
+ CK_ULONG *pdbrv)
+{
+ CK_RV rv = CKR_OK;
+ DBT object;
+ CK_ULONG i;
+ NSSArena *tmp = NSSArena_Create();
+ CK_ATTRIBUTE_PTR pTemplate;
+ CK_ULONG ulAttributeCount;
+
+ /* Locked region */
+ {
+ rv = NSSCKFWMutex_Lock(dbt->my_db->crustylock);
+ if (CKR_OK != rv) {
+ goto loser;
+ }
+
+ *pdbrv = dbt->my_db->db->get(dbt->my_db->db, &dbt->dbt, &object, 0);
+ if (0 == *pdbrv) {
+ ;
+ } else if (*pdbrv > 0) {
+ rv = CKR_OBJECT_HANDLE_INVALID;
+ goto done;
+ } else {
+ rv = CKR_DEVICE_ERROR;
+ goto done;
+ }
+
+ rv = nss_dbm_db_unwrap_object(tmp, &object, &pTemplate, &ulAttributeCount);
+ if (CKR_OK != rv) {
+ goto done;
+ }
+
+ for (i = 0; i < ulAttributeCount; i++) {
+ if (type == pTemplate[i].type) {
+ /* Replacing an existing attribute */
+ pTemplate[i].ulValueLen = value->size;
+ pTemplate[i].pValue = value->data;
+ break;
+ }
+ }
+
+ if (i == ulAttributeCount) {
+ /* Adding a new attribute */
+ CK_ATTRIBUTE_PTR npt = nss_ZNEWARRAY(tmp, CK_ATTRIBUTE, ulAttributeCount + 1);
+ if ((CK_ATTRIBUTE_PTR)NULL == npt) {
+ rv = CKR_DEVICE_ERROR;
+ goto done;
+ }
+
+ for (i = 0; i < ulAttributeCount; i++) {
+ npt[i] = pTemplate[i];
+ }
+
+ npt[ulAttributeCount].type = type;
+ npt[ulAttributeCount].ulValueLen = value->size;
+ npt[ulAttributeCount].pValue = value->data;
+
+ pTemplate = npt;
+ ulAttributeCount++;
+ }
+
+ rv = nss_dbm_db_wrap_object(tmp, pTemplate, ulAttributeCount, &object);
+ if (CKR_OK != rv) {
+ goto done;
+ }
+
+ *pdbrv = dbt->my_db->db->put(dbt->my_db->db, &dbt->dbt, &object, 0);
+ if (0 != *pdbrv) {
+ rv = CKR_DEVICE_ERROR;
+ goto done;
+ }
+
+ (void)dbt->my_db->db->sync(dbt->my_db->db, 0);
+
+ done:
+ (void)NSSCKFWMutex_Unlock(dbt->my_db->crustylock);
+ }
+
+loser:
+ if ((NSSArena *)NULL != tmp) {
+ NSSArena_Destroy(tmp);
+ }
+
+ return rv;
+}