Add m-esr52 at 52.6.0

1 files changed, 1039 insertions, 0 deletions

diff --git a/security/nss/lib/certdb/stanpcertdb.c b/security/nss/lib/certdb/stanpcertdb.c
new file mode 100644
index 000000000..2b1aa97cd
--- /dev/null
+++ b/security/nss/lib/certdb/stanpcertdb.c
@@ -0,0 +1,1039 @@
+/* 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 "prtime.h"
+
+#include "cert.h"
+#include "certi.h"
+#include "certdb.h"
+#include "secitem.h"
+#include "secder.h"
+
+/* Call to PK11_FreeSlot below */
+
+#include "secasn1.h"
+#include "secerr.h"
+#include "nssilock.h"
+#include "prmon.h"
+#include "base64.h"
+#include "sechash.h"
+#include "plhash.h"
+#include "pk11func.h" /* sigh */
+
+#include "nsspki.h"
+#include "pki.h"
+#include "pkim.h"
+#include "pki3hack.h"
+#include "ckhelper.h"
+#include "base.h"
+#include "pkistore.h"
+#include "dev3hack.h"
+#include "dev.h"
+
+PRBool
+SEC_CertNicknameConflict(const char *nickname, const SECItem *derSubject,
+                         CERTCertDBHandle *handle)
+{
+    CERTCertificate *cert;
+    PRBool conflict = PR_FALSE;
+
+    cert = CERT_FindCertByNickname(handle, nickname);
+
+    if (!cert) {
+        return conflict;
+    }
+
+    conflict = !SECITEM_ItemsAreEqual(derSubject, &cert->derSubject);
+    CERT_DestroyCertificate(cert);
+    return conflict;
+}
+
+SECStatus
+SEC_DeletePermCertificate(CERTCertificate *cert)
+{
+    PRStatus nssrv;
+    NSSTrustDomain *td = STAN_GetDefaultTrustDomain();
+    NSSCertificate *c = STAN_GetNSSCertificate(cert);
+    CERTCertTrust *certTrust;
+
+    if (c == NULL) {
+        /* error code is set */
+        return SECFailure;
+    }
+
+    certTrust = nssTrust_GetCERTCertTrustForCert(c, cert);
+    if (certTrust) {
+        NSSTrust *nssTrust = nssTrustDomain_FindTrustForCertificate(td, c);
+        if (nssTrust) {
+            nssrv = STAN_DeleteCertTrustMatchingSlot(c);
+            if (nssrv != PR_SUCCESS) {
+                CERT_MapStanError();
+            }
+            /* This call always returns PR_SUCCESS! */
+            (void)nssTrust_Destroy(nssTrust);
+        }
+    }
+
+    /* get rid of the token instances */
+    nssrv = NSSCertificate_DeleteStoredObject(c, NULL);
+
+    /* get rid of the cache entry */
+    nssTrustDomain_LockCertCache(td);
+    nssTrustDomain_RemoveCertFromCacheLOCKED(td, c);
+    nssTrustDomain_UnlockCertCache(td);
+
+    return (nssrv == PR_SUCCESS) ? SECSuccess : SECFailure;
+}
+
+SECStatus
+CERT_GetCertTrust(const CERTCertificate *cert, CERTCertTrust *trust)
+{
+    SECStatus rv;
+    CERT_LockCertTrust(cert);
+    if (cert->trust == NULL) {
+        rv = SECFailure;
+    } else {
+        *trust = *cert->trust;
+        rv = SECSuccess;
+    }
+    CERT_UnlockCertTrust(cert);
+    return (rv);
+}
+
+extern const NSSError NSS_ERROR_NO_ERROR;
+extern const NSSError NSS_ERROR_INTERNAL_ERROR;
+extern const NSSError NSS_ERROR_NO_MEMORY;
+extern const NSSError NSS_ERROR_INVALID_POINTER;
+extern const NSSError NSS_ERROR_INVALID_ARENA;
+extern const NSSError NSS_ERROR_INVALID_ARENA_MARK;
+extern const NSSError NSS_ERROR_DUPLICATE_POINTER;
+extern const NSSError NSS_ERROR_POINTER_NOT_REGISTERED;
+extern const NSSError NSS_ERROR_TRACKER_NOT_EMPTY;
+extern const NSSError NSS_ERROR_TRACKER_NOT_INITIALIZED;
+extern const NSSError NSS_ERROR_ARENA_MARKED_BY_ANOTHER_THREAD;
+extern const NSSError NSS_ERROR_VALUE_TOO_LARGE;
+extern const NSSError NSS_ERROR_UNSUPPORTED_TYPE;
+extern const NSSError NSS_ERROR_BUFFER_TOO_SHORT;
+extern const NSSError NSS_ERROR_INVALID_ATOB_CONTEXT;
+extern const NSSError NSS_ERROR_INVALID_BASE64;
+extern const NSSError NSS_ERROR_INVALID_BTOA_CONTEXT;
+extern const NSSError NSS_ERROR_INVALID_ITEM;
+extern const NSSError NSS_ERROR_INVALID_STRING;
+extern const NSSError NSS_ERROR_INVALID_ASN1ENCODER;
+extern const NSSError NSS_ERROR_INVALID_ASN1DECODER;
+extern const NSSError NSS_ERROR_INVALID_BER;
+extern const NSSError NSS_ERROR_INVALID_ATAV;
+extern const NSSError NSS_ERROR_INVALID_ARGUMENT;
+extern const NSSError NSS_ERROR_INVALID_UTF8;
+extern const NSSError NSS_ERROR_INVALID_NSSOID;
+extern const NSSError NSS_ERROR_UNKNOWN_ATTRIBUTE;
+extern const NSSError NSS_ERROR_NOT_FOUND;
+extern const NSSError NSS_ERROR_INVALID_PASSWORD;
+extern const NSSError NSS_ERROR_USER_CANCELED;
+extern const NSSError NSS_ERROR_MAXIMUM_FOUND;
+extern const NSSError NSS_ERROR_CERTIFICATE_ISSUER_NOT_FOUND;
+extern const NSSError NSS_ERROR_CERTIFICATE_IN_CACHE;
+extern const NSSError NSS_ERROR_HASH_COLLISION;
+extern const NSSError NSS_ERROR_DEVICE_ERROR;
+extern const NSSError NSS_ERROR_INVALID_CERTIFICATE;
+extern const NSSError NSS_ERROR_BUSY;
+extern const NSSError NSS_ERROR_ALREADY_INITIALIZED;
+extern const NSSError NSS_ERROR_PKCS11;
+
+/* Look at the stan error stack and map it to NSS 3 errors */
+#define STAN_MAP_ERROR(x, y) \
+    else if (error == (x)) { secError = y; }
+
+/*
+ * map Stan errors into NSS errors
+ * This function examines the stan error stack and automatically sets
+ * PORT_SetError(); to the appropriate SEC_ERROR value.
+ */
+void
+CERT_MapStanError()
+{
+    PRInt32 *errorStack;
+    NSSError error, prevError;
+    int secError;
+    int i;
+
+    errorStack = NSS_GetErrorStack();
+    if (errorStack == 0) {
+        PORT_SetError(0);
+        return;
+    }
+    error = prevError = CKR_GENERAL_ERROR;
+    /* get the 'top 2' error codes from the stack */
+    for (i = 0; errorStack[i]; i++) {
+        prevError = error;
+        error = errorStack[i];
+    }
+    if (error == NSS_ERROR_PKCS11) {
+        /* map it */
+        secError = PK11_MapError(prevError);
+    }
+    STAN_MAP_ERROR(NSS_ERROR_NO_ERROR, 0)
+    STAN_MAP_ERROR(NSS_ERROR_NO_MEMORY, SEC_ERROR_NO_MEMORY)
+    STAN_MAP_ERROR(NSS_ERROR_INVALID_BASE64, SEC_ERROR_BAD_DATA)
+    STAN_MAP_ERROR(NSS_ERROR_INVALID_BER, SEC_ERROR_BAD_DER)
+    STAN_MAP_ERROR(NSS_ERROR_INVALID_ATAV, SEC_ERROR_INVALID_AVA)
+    STAN_MAP_ERROR(NSS_ERROR_INVALID_PASSWORD, SEC_ERROR_BAD_PASSWORD)
+    STAN_MAP_ERROR(NSS_ERROR_BUSY, SEC_ERROR_BUSY)
+    STAN_MAP_ERROR(NSS_ERROR_DEVICE_ERROR, SEC_ERROR_IO)
+    STAN_MAP_ERROR(NSS_ERROR_CERTIFICATE_ISSUER_NOT_FOUND,
+                   SEC_ERROR_UNKNOWN_ISSUER)
+    STAN_MAP_ERROR(NSS_ERROR_INVALID_CERTIFICATE, SEC_ERROR_CERT_NOT_VALID)
+    STAN_MAP_ERROR(NSS_ERROR_INVALID_UTF8, SEC_ERROR_BAD_DATA)
+    STAN_MAP_ERROR(NSS_ERROR_INVALID_NSSOID, SEC_ERROR_BAD_DATA)
+
+    /* these are library failure for lack of a better error code */
+    STAN_MAP_ERROR(NSS_ERROR_NOT_FOUND, SEC_ERROR_LIBRARY_FAILURE)
+    STAN_MAP_ERROR(NSS_ERROR_CERTIFICATE_IN_CACHE, SEC_ERROR_LIBRARY_FAILURE)
+    STAN_MAP_ERROR(NSS_ERROR_MAXIMUM_FOUND, SEC_ERROR_LIBRARY_FAILURE)
+    STAN_MAP_ERROR(NSS_ERROR_USER_CANCELED, SEC_ERROR_LIBRARY_FAILURE)
+    STAN_MAP_ERROR(NSS_ERROR_TRACKER_NOT_INITIALIZED, SEC_ERROR_LIBRARY_FAILURE)
+    STAN_MAP_ERROR(NSS_ERROR_ALREADY_INITIALIZED, SEC_ERROR_LIBRARY_FAILURE)
+    STAN_MAP_ERROR(NSS_ERROR_ARENA_MARKED_BY_ANOTHER_THREAD,
+                   SEC_ERROR_LIBRARY_FAILURE)
+    STAN_MAP_ERROR(NSS_ERROR_HASH_COLLISION, SEC_ERROR_LIBRARY_FAILURE)
+
+    STAN_MAP_ERROR(NSS_ERROR_INTERNAL_ERROR, SEC_ERROR_LIBRARY_FAILURE)
+
+    /* these are all invalid arguments */
+    STAN_MAP_ERROR(NSS_ERROR_INVALID_ARGUMENT, SEC_ERROR_INVALID_ARGS)
+    STAN_MAP_ERROR(NSS_ERROR_INVALID_POINTER, SEC_ERROR_INVALID_ARGS)
+    STAN_MAP_ERROR(NSS_ERROR_INVALID_ARENA, SEC_ERROR_INVALID_ARGS)
+    STAN_MAP_ERROR(NSS_ERROR_INVALID_ARENA_MARK, SEC_ERROR_INVALID_ARGS)
+    STAN_MAP_ERROR(NSS_ERROR_DUPLICATE_POINTER, SEC_ERROR_INVALID_ARGS)
+    STAN_MAP_ERROR(NSS_ERROR_POINTER_NOT_REGISTERED, SEC_ERROR_INVALID_ARGS)
+    STAN_MAP_ERROR(NSS_ERROR_TRACKER_NOT_EMPTY, SEC_ERROR_INVALID_ARGS)
+    STAN_MAP_ERROR(NSS_ERROR_VALUE_TOO_LARGE, SEC_ERROR_INVALID_ARGS)
+    STAN_MAP_ERROR(NSS_ERROR_UNSUPPORTED_TYPE, SEC_ERROR_INVALID_ARGS)
+    STAN_MAP_ERROR(NSS_ERROR_BUFFER_TOO_SHORT, SEC_ERROR_INVALID_ARGS)
+    STAN_MAP_ERROR(NSS_ERROR_INVALID_ATOB_CONTEXT, SEC_ERROR_INVALID_ARGS)
+    STAN_MAP_ERROR(NSS_ERROR_INVALID_BTOA_CONTEXT, SEC_ERROR_INVALID_ARGS)
+    STAN_MAP_ERROR(NSS_ERROR_INVALID_ITEM, SEC_ERROR_INVALID_ARGS)
+    STAN_MAP_ERROR(NSS_ERROR_INVALID_STRING, SEC_ERROR_INVALID_ARGS)
+    STAN_MAP_ERROR(NSS_ERROR_INVALID_ASN1ENCODER, SEC_ERROR_INVALID_ARGS)
+    STAN_MAP_ERROR(NSS_ERROR_INVALID_ASN1DECODER, SEC_ERROR_INVALID_ARGS)
+    STAN_MAP_ERROR(NSS_ERROR_UNKNOWN_ATTRIBUTE, SEC_ERROR_INVALID_ARGS)
+    else { secError = SEC_ERROR_LIBRARY_FAILURE; }
+    PORT_SetError(secError);
+}
+
+SECStatus
+CERT_ChangeCertTrust(CERTCertDBHandle *handle, CERTCertificate *cert,
+                     CERTCertTrust *trust)
+{
+    SECStatus rv = SECSuccess;
+    PRStatus ret;
+
+    ret = STAN_ChangeCertTrust(cert, trust);
+    if (ret != PR_SUCCESS) {
+        rv = SECFailure;
+        CERT_MapStanError();
+    }
+    return rv;
+}
+
+extern const NSSError NSS_ERROR_INVALID_CERTIFICATE;
+
+SECStatus
+__CERT_AddTempCertToPerm(CERTCertificate *cert, char *nickname,
+                         CERTCertTrust *trust)
+{
+    NSSUTF8 *stanNick;
+    PK11SlotInfo *slot;
+    NSSToken *internal;
+    NSSCryptoContext *context;
+    nssCryptokiObject *permInstance;
+    NSSCertificate *c = STAN_GetNSSCertificate(cert);
+    nssCertificateStoreTrace lockTrace = { NULL, NULL, PR_FALSE, PR_FALSE };
+    nssCertificateStoreTrace unlockTrace = { NULL, NULL, PR_FALSE, PR_FALSE };
+    SECStatus rv;
+    PRStatus ret;
+
+    if (c == NULL) {
+        CERT_MapStanError();
+        return SECFailure;
+    }
+
+    context = c->object.cryptoContext;
+    if (!context) {
+        PORT_SetError(SEC_ERROR_ADDING_CERT);
+        return SECFailure; /* wasn't a temp cert */
+    }
+    stanNick = nssCertificate_GetNickname(c, NULL);
+    if (stanNick && nickname && strcmp(nickname, stanNick) != 0) {
+        /* different: take the new nickname */
+        cert->nickname = NULL;
+        nss_ZFreeIf(stanNick);
+        stanNick = NULL;
+    }
+    if (!stanNick && nickname) {
+        /* Either there was no nickname yet, or we have a new nickname */
+        stanNick = nssUTF8_Duplicate((NSSUTF8 *)nickname, NULL);
+    } /* else: old stanNick is identical to new nickname */
+    /* Delete the temp instance */
+    nssCertificateStore_Lock(context->certStore, &lockTrace);
+    nssCertificateStore_RemoveCertLOCKED(context->certStore, c);
+    nssCertificateStore_Unlock(context->certStore, &lockTrace, &unlockTrace);
+    c->object.cryptoContext = NULL;
+    /* Import the perm instance onto the internal token */
+    slot = PK11_GetInternalKeySlot();
+    internal = PK11Slot_GetNSSToken(slot);
+    permInstance = nssToken_ImportCertificate(
+        internal, NULL, NSSCertificateType_PKIX, &c->id, stanNick, &c->encoding,
+        &c->issuer, &c->subject, &c->serial, cert->emailAddr, PR_TRUE);
+    nss_ZFreeIf(stanNick);
+    stanNick = NULL;
+    PK11_FreeSlot(slot);
+    if (!permInstance) {
+        if (NSS_GetError() == NSS_ERROR_INVALID_CERTIFICATE) {
+            PORT_SetError(SEC_ERROR_REUSED_ISSUER_AND_SERIAL);
+        }
+        return SECFailure;
+    }
+    nssPKIObject_AddInstance(&c->object, permInstance);
+    nssTrustDomain_AddCertsToCache(STAN_GetDefaultTrustDomain(), &c, 1);
+    /* reset the CERTCertificate fields */
+    cert->nssCertificate = NULL;
+    cert = STAN_GetCERTCertificateOrRelease(c); /* should return same pointer */
+    if (!cert) {
+        CERT_MapStanError();
+        return SECFailure;
+    }
+    cert->istemp = PR_FALSE;
+    cert->isperm = PR_TRUE;
+    if (!trust) {
+        return SECSuccess;
+    }
+    ret = STAN_ChangeCertTrust(cert, trust);
+    rv = SECSuccess;
+    if (ret != PR_SUCCESS) {
+        rv = SECFailure;
+        CERT_MapStanError();
+    }
+    return rv;
+}
+
+SECStatus
+CERT_AddTempCertToPerm(CERTCertificate *cert, char *nickname,
+                       CERTCertTrust *trust)
+{
+    return __CERT_AddTempCertToPerm(cert, nickname, trust);
+}
+
+CERTCertificate *
+CERT_NewTempCertificate(CERTCertDBHandle *handle, SECItem *derCert,
+                        char *nickname, PRBool isperm, PRBool copyDER)
+{
+    NSSCertificate *c;
+    CERTCertificate *cc;
+    NSSCertificate *tempCert = NULL;
+    nssPKIObject *pkio;
+    NSSCryptoContext *gCC = STAN_GetDefaultCryptoContext();
+    NSSTrustDomain *gTD = STAN_GetDefaultTrustDomain();
+    if (!isperm) {
+        NSSDER encoding;
+        NSSITEM_FROM_SECITEM(&encoding, derCert);
+        /* First, see if it is already a temp cert */
+        c = NSSCryptoContext_FindCertificateByEncodedCertificate(gCC,
+                                                                 &encoding);
+        if (!c) {
+            /* Then, see if it is already a perm cert */
+            c = NSSTrustDomain_FindCertificateByEncodedCertificate(handle,
+                                                                   &encoding);
+        }
+        if (c) {
+            /* actually, that search ends up going by issuer/serial,
+             * so it is still possible to return a cert with the same
+             * issuer/serial but a different encoding, and we're
+             * going to reject that
+             */
+            if (!nssItem_Equal(&c->encoding, &encoding, NULL)) {
+                nssCertificate_Destroy(c);
+                PORT_SetError(SEC_ERROR_REUSED_ISSUER_AND_SERIAL);
+                cc = NULL;
+            } else {
+                cc = STAN_GetCERTCertificateOrRelease(c);
+                if (cc == NULL) {
+                    CERT_MapStanError();
+                }
+            }
+            return cc;
+        }
+    }
+    pkio = nssPKIObject_Create(NULL, NULL, gTD, gCC, nssPKIMonitor);
+    if (!pkio) {
+        CERT_MapStanError();
+        return NULL;
+    }
+    c = nss_ZNEW(pkio->arena, NSSCertificate);
+    if (!c) {
+        CERT_MapStanError();
+        nssPKIObject_Destroy(pkio);
+        return NULL;
+    }
+    c->object = *pkio;
+    if (copyDER) {
+        nssItem_Create(c->object.arena, &c->encoding, derCert->len,
+                       derCert->data);
+    } else {
+        NSSITEM_FROM_SECITEM(&c->encoding, derCert);
+    }
+    /* Forces a decoding of the cert in order to obtain the parts used
+     * below
+     */
+    /* 'c' is not adopted here, if we fail loser frees what has been
+     * allocated so far for 'c' */
+    cc = STAN_GetCERTCertificate(c);
+    if (!cc) {
+        CERT_MapStanError();
+        goto loser;
+    }
+    nssItem_Create(c->object.arena, &c->issuer, cc->derIssuer.len,
+                   cc->derIssuer.data);
+    nssItem_Create(c->object.arena, &c->subject, cc->derSubject.len,
+                   cc->derSubject.data);
+    if (PR_TRUE) {
+        /* CERTCertificate stores serial numbers decoded.  I need the DER
+        * here.  sigh.
+        */
+        SECItem derSerial = { 0 };
+        CERT_SerialNumberFromDERCert(&cc->derCert, &derSerial);
+        if (!derSerial.data)
+            goto loser;
+        nssItem_Create(c->object.arena, &c->serial, derSerial.len,
+                       derSerial.data);
+        PORT_Free(derSerial.data);
+    }
+    if (nickname) {
+        c->object.tempName =
+            nssUTF8_Create(c->object.arena, nssStringType_UTF8String,
+                           (NSSUTF8 *)nickname, PORT_Strlen(nickname));
+    }
+    if (cc->emailAddr && cc->emailAddr[0]) {
+        c->email = nssUTF8_Create(
+            c->object.arena, nssStringType_PrintableString,
+            (NSSUTF8 *)cc->emailAddr, PORT_Strlen(cc->emailAddr));
+    }
+
+    tempCert = NSSCryptoContext_FindOrImportCertificate(gCC, c);
+    if (!tempCert) {
+        CERT_MapStanError();
+        goto loser;
+    }
+    /* destroy our copy */
+    NSSCertificate_Destroy(c);
+    /* and use the stored entry */
+    c = tempCert;
+    cc = STAN_GetCERTCertificateOrRelease(c);
+    if (!cc) {
+        /* STAN_GetCERTCertificateOrRelease destroys c on failure. */
+        CERT_MapStanError();
+        return NULL;
+    }
+
+    cc->istemp = PR_TRUE;
+    cc->isperm = PR_FALSE;
+    return cc;
+loser:
+    /* Perhaps this should be nssCertificate_Destroy(c) */
+    nssPKIObject_Destroy(&c->object);
+    return NULL;
+}
+
+/* This symbol is exported for backward compatibility. */
+CERTCertificate *
+__CERT_NewTempCertificate(CERTCertDBHandle *handle, SECItem *derCert,
+                          char *nickname, PRBool isperm, PRBool copyDER)
+{
+    return CERT_NewTempCertificate(handle, derCert, nickname, isperm, copyDER);
+}
+
+/* maybe all the wincx's should be some const for internal token login? */
+CERTCertificate *
+CERT_FindCertByIssuerAndSN(CERTCertDBHandle *handle,
+                           CERTIssuerAndSN *issuerAndSN)
+{
+    PK11SlotInfo *slot;
+    CERTCertificate *cert;
+
+    cert = PK11_FindCertByIssuerAndSN(&slot, issuerAndSN, NULL);
+    if (cert && slot) {
+        PK11_FreeSlot(slot);
+    }
+
+    return cert;
+}
+
+static NSSCertificate *
+get_best_temp_or_perm(NSSCertificate *ct, NSSCertificate *cp)
+{
+    NSSUsage usage;
+    NSSCertificate *arr[3];
+    if (!ct) {
+        return nssCertificate_AddRef(cp);
+    } else if (!cp) {
+        return nssCertificate_AddRef(ct);
+    }
+    arr[0] = ct;
+    arr[1] = cp;
+    arr[2] = NULL;
+    usage.anyUsage = PR_TRUE;
+    return nssCertificateArray_FindBestCertificate(arr, NULL, &usage, NULL);
+}
+
+CERTCertificate *
+CERT_FindCertByName(CERTCertDBHandle *handle, SECItem *name)
+{
+    NSSCertificate *cp, *ct, *c;
+    NSSDER subject;
+    NSSUsage usage;
+    NSSCryptoContext *cc;
+    NSSITEM_FROM_SECITEM(&subject, name);
+    usage.anyUsage = PR_TRUE;
+    cc = STAN_GetDefaultCryptoContext();
+    ct = NSSCryptoContext_FindBestCertificateBySubject(cc, &subject, NULL,
+                                                       &usage, NULL);
+    cp = NSSTrustDomain_FindBestCertificateBySubject(handle, &subject, NULL,
+                                                     &usage, NULL);
+    c = get_best_temp_or_perm(ct, cp);
+    if (ct) {
+        CERT_DestroyCertificate(STAN_GetCERTCertificateOrRelease(ct));
+    }
+    if (cp) {
+        CERT_DestroyCertificate(STAN_GetCERTCertificateOrRelease(cp));
+    }
+    return c ? STAN_GetCERTCertificateOrRelease(c) : NULL;
+}
+
+CERTCertificate *
+CERT_FindCertByKeyID(CERTCertDBHandle *handle, SECItem *name, SECItem *keyID)
+{
+    CERTCertList *list;
+    CERTCertificate *cert = NULL;
+    CERTCertListNode *node, *head;
+
+    list = CERT_CreateSubjectCertList(NULL, handle, name, 0, PR_FALSE);
+    if (list == NULL)
+        return NULL;
+
+    node = head = CERT_LIST_HEAD(list);
+    if (head) {
+        do {
+            if (node->cert &&
+                SECITEM_ItemsAreEqual(&node->cert->subjectKeyID, keyID)) {
+                cert = CERT_DupCertificate(node->cert);
+                goto done;
+            }
+            node = CERT_LIST_NEXT(node);
+        } while (node && head != node);
+    }
+    PORT_SetError(SEC_ERROR_UNKNOWN_ISSUER);
+done:
+    if (list) {
+        CERT_DestroyCertList(list);
+    }
+    return cert;
+}
+
+CERTCertificate *
+CERT_FindCertByNickname(CERTCertDBHandle *handle, const char *nickname)
+{
+    NSSCryptoContext *cc;
+    NSSCertificate *c, *ct;
+    CERTCertificate *cert;
+    NSSUsage usage;
+    usage.anyUsage = PR_TRUE;
+    cc = STAN_GetDefaultCryptoContext();
+    ct = NSSCryptoContext_FindBestCertificateByNickname(cc, nickname, NULL,
+                                                        &usage, NULL);
+    cert = PK11_FindCertFromNickname(nickname, NULL);
+    c = NULL;
+    if (cert) {
+        c = get_best_temp_or_perm(ct, STAN_GetNSSCertificate(cert));
+        CERT_DestroyCertificate(cert);
+        if (ct) {
+            CERT_DestroyCertificate(STAN_GetCERTCertificateOrRelease(ct));
+        }
+    } else {
+        c = ct;
+    }
+    return c ? STAN_GetCERTCertificateOrRelease(c) : NULL;
+}
+
+CERTCertificate *
+CERT_FindCertByDERCert(CERTCertDBHandle *handle, SECItem *derCert)
+{
+    NSSCryptoContext *cc;
+    NSSCertificate *c;
+    NSSDER encoding;
+    NSSITEM_FROM_SECITEM(&encoding, derCert);
+    cc = STAN_GetDefaultCryptoContext();
+    c = NSSCryptoContext_FindCertificateByEncodedCertificate(cc, &encoding);
+    if (!c) {
+        c = NSSTrustDomain_FindCertificateByEncodedCertificate(handle,
+                                                               &encoding);
+        if (!c)
+            return NULL;
+    }
+    return STAN_GetCERTCertificateOrRelease(c);
+}
+
+static CERTCertificate *
+common_FindCertByNicknameOrEmailAddrForUsage(CERTCertDBHandle *handle,
+                                             const char *name, PRBool anyUsage,
+                                             SECCertUsage lookingForUsage)
+{
+    NSSCryptoContext *cc;
+    NSSCertificate *c, *ct;
+    CERTCertificate *cert = NULL;
+    NSSUsage usage;
+    CERTCertList *certlist;
+
+    if (NULL == name) {
+        PORT_SetError(SEC_ERROR_INVALID_ARGS);
+        return NULL;
+    }
+
+    usage.anyUsage = anyUsage;
+
+    if (!anyUsage) {
+        usage.nss3lookingForCA = PR_FALSE;
+        usage.nss3usage = lookingForUsage;
+    }
+
+    cc = STAN_GetDefaultCryptoContext();
+    ct = NSSCryptoContext_FindBestCertificateByNickname(cc, name, NULL, &usage,
+                                                        NULL);
+    if (!ct && PORT_Strchr(name, '@') != NULL) {
+        char *lowercaseName = CERT_FixupEmailAddr(name);
+        if (lowercaseName) {
+            ct = NSSCryptoContext_FindBestCertificateByEmail(
+                cc, lowercaseName, NULL, &usage, NULL);
+            PORT_Free(lowercaseName);
+        }
+    }
+
+    if (anyUsage) {
+        cert = PK11_FindCertFromNickname(name, NULL);
+    } else {
+        if (ct) {
+            /* Does ct really have the required usage? */
+            nssDecodedCert *dc;
+            dc = nssCertificate_GetDecoding(ct);
+            if (!dc->matchUsage(dc, &usage)) {
+                CERT_DestroyCertificate(STAN_GetCERTCertificateOrRelease(ct));
+                ct = NULL;
+            }
+        }
+
+        certlist = PK11_FindCertsFromNickname(name, NULL);
+        if (certlist) {
+            SECStatus rv =
+                CERT_FilterCertListByUsage(certlist, lookingForUsage, PR_FALSE);
+            if (SECSuccess == rv &&
+                !CERT_LIST_END(CERT_LIST_HEAD(certlist), certlist)) {
+                cert = CERT_DupCertificate(CERT_LIST_HEAD(certlist)->cert);
+            }
+            CERT_DestroyCertList(certlist);
+        }
+    }
+
+    if (cert) {
+        c = get_best_temp_or_perm(ct, STAN_GetNSSCertificate(cert));
+        CERT_DestroyCertificate(cert);
+        if (ct) {
+            CERT_DestroyCertificate(STAN_GetCERTCertificateOrRelease(ct));
+        }
+    } else {
+        c = ct;
+    }
+    return c ? STAN_GetCERTCertificateOrRelease(c) : NULL;
+}
+
+CERTCertificate *
+CERT_FindCertByNicknameOrEmailAddr(CERTCertDBHandle *handle, const char *name)
+{
+    return common_FindCertByNicknameOrEmailAddrForUsage(handle, name, PR_TRUE,
+                                                        0);
+}
+
+CERTCertificate *
+CERT_FindCertByNicknameOrEmailAddrForUsage(CERTCertDBHandle *handle,
+                                           const char *name,
+                                           SECCertUsage lookingForUsage)
+{
+    return common_FindCertByNicknameOrEmailAddrForUsage(handle, name, PR_FALSE,
+                                                        lookingForUsage);
+}
+
+static void
+add_to_subject_list(CERTCertList *certList, CERTCertificate *cert,
+                    PRBool validOnly, PRTime sorttime)
+{
+    SECStatus secrv;
+    if (!validOnly ||
+        CERT_CheckCertValidTimes(cert, sorttime, PR_FALSE) ==
+            secCertTimeValid) {
+        secrv = CERT_AddCertToListSorted(certList, cert, CERT_SortCBValidity,
+                                         (void *)&sorttime);
+        if (secrv != SECSuccess) {
+            CERT_DestroyCertificate(cert);
+        }
+    } else {
+        CERT_DestroyCertificate(cert);
+    }
+}
+
+CERTCertList *
+CERT_CreateSubjectCertList(CERTCertList *certList, CERTCertDBHandle *handle,
+                           const SECItem *name, PRTime sorttime,
+                           PRBool validOnly)
+{
+    NSSCryptoContext *cc;
+    NSSCertificate **tSubjectCerts, **pSubjectCerts;
+    NSSCertificate **ci;
+    CERTCertificate *cert;
+    NSSDER subject;
+    PRBool myList = PR_FALSE;
+    cc = STAN_GetDefaultCryptoContext();
+    NSSITEM_FROM_SECITEM(&subject, name);
+    /* Collect both temp and perm certs for the subject */
+    tSubjectCerts =
+        NSSCryptoContext_FindCertificatesBySubject(cc, &subject, NULL, 0, NULL);
+    pSubjectCerts = NSSTrustDomain_FindCertificatesBySubject(handle, &subject,
+                                                             NULL, 0, NULL);
+    if (!tSubjectCerts && !pSubjectCerts) {
+        return NULL;
+    }
+    if (certList == NULL) {
+        certList = CERT_NewCertList();
+        myList = PR_TRUE;
+        if (!certList)
+            goto loser;
+    }
+    /* Iterate over the matching temp certs.  Add them to the list */
+    ci = tSubjectCerts;
+    while (ci && *ci) {
+        cert = STAN_GetCERTCertificateOrRelease(*ci);
+        /* *ci may be invalid at this point, don't reference it again */
+        if (cert) {
+            /* NOTE: add_to_subject_list adopts the incoming cert. */
+            add_to_subject_list(certList, cert, validOnly, sorttime);
+        }
+        ci++;
+    }
+    /* Iterate over the matching perm certs.  Add them to the list */
+    ci = pSubjectCerts;
+    while (ci && *ci) {
+        cert = STAN_GetCERTCertificateOrRelease(*ci);
+        /* *ci may be invalid at this point, don't reference it again */
+        if (cert) {
+            /* NOTE: add_to_subject_list adopts the incoming cert. */
+            add_to_subject_list(certList, cert, validOnly, sorttime);
+        }
+        ci++;
+    }
+    /* all the references have been adopted or freed at this point, just
+     * free the arrays now */
+    nss_ZFreeIf(tSubjectCerts);
+    nss_ZFreeIf(pSubjectCerts);
+    return certList;
+loser:
+    /* need to free the references in tSubjectCerts and pSubjectCerts! */
+    nssCertificateArray_Destroy(tSubjectCerts);
+    nssCertificateArray_Destroy(pSubjectCerts);
+    if (myList && certList != NULL) {
+        CERT_DestroyCertList(certList);
+    }
+    return NULL;
+}
+
+void
+CERT_DestroyCertificate(CERTCertificate *cert)
+{
+    if (cert) {
+        /* don't use STAN_GetNSSCertificate because we don't want to
+         * go to the trouble of translating the CERTCertificate into
+         * an NSSCertificate just to destroy it.  If it hasn't been done
+         * yet, don't do it at all.
+         */
+        NSSCertificate *tmp = cert->nssCertificate;
+        if (tmp) {
+            /* delete the NSSCertificate */
+            NSSCertificate_Destroy(tmp);
+        } else if (cert->arena) {
+            PORT_FreeArena(cert->arena, PR_FALSE);
+        }
+    }
+    return;
+}
+
+int
+CERT_GetDBContentVersion(CERTCertDBHandle *handle)
+{
+    /* should read the DB content version from the pkcs #11 device */
+    return 0;
+}
+
+SECStatus
+certdb_SaveSingleProfile(CERTCertificate *cert, const char *emailAddr,
+                         SECItem *emailProfile, SECItem *profileTime)
+{
+    PRTime oldtime;
+    PRTime newtime;
+    SECStatus rv = SECFailure;
+    PRBool saveit;
+    SECItem oldprof, oldproftime;
+    SECItem *oldProfile = NULL;
+    SECItem *oldProfileTime = NULL;
+    PK11SlotInfo *slot = NULL;
+    NSSCertificate *c;
+    NSSCryptoContext *cc;
+    nssSMIMEProfile *stanProfile = NULL;
+    PRBool freeOldProfile = PR_FALSE;
+
+    c = STAN_GetNSSCertificate(cert);
+    if (!c)
+        return SECFailure;
+    cc = c->object.cryptoContext;
+    if (cc != NULL) {
+        stanProfile = nssCryptoContext_FindSMIMEProfileForCertificate(cc, c);
+        if (stanProfile) {
+            PORT_Assert(stanProfile->profileData);
+            SECITEM_FROM_NSSITEM(&oldprof, stanProfile->profileData);
+            oldProfile = &oldprof;
+            SECITEM_FROM_NSSITEM(&oldproftime, stanProfile->profileTime);
+            oldProfileTime = &oldproftime;
+        }
+    } else {
+        oldProfile = PK11_FindSMimeProfile(&slot, (char *)emailAddr,
+                                           &cert->derSubject, &oldProfileTime);
+        freeOldProfile = PR_TRUE;
+    }
+
+    saveit = PR_FALSE;
+
+    /* both profileTime and emailProfile have to exist or not exist */
+    if (emailProfile == NULL) {
+        profileTime = NULL;
+    } else if (profileTime == NULL) {
+        emailProfile = NULL;
+    }
+
+    if (oldProfileTime == NULL) {
+        saveit = PR_TRUE;
+    } else {
+        /* there was already a profile for this email addr */
+        if (profileTime) {
+            /* we have an old and new profile - save whichever is more recent*/
+            if (oldProfileTime->len == 0) {
+                /* always replace if old entry doesn't have a time */
+                oldtime = LL_MININT;
+            } else {
+                rv = DER_UTCTimeToTime(&oldtime, oldProfileTime);
+                if (rv != SECSuccess) {
+                    goto loser;
+                }
+            }
+
+            rv = DER_UTCTimeToTime(&newtime, profileTime);
+            if (rv != SECSuccess) {
+                goto loser;
+            }
+
+            if (LL_CMP(newtime, >, oldtime)) {
+                /* this is a newer profile, save it and cert */
+                saveit = PR_TRUE;
+            }
+        } else {
+            saveit = PR_TRUE;
+        }
+    }
+
+    if (saveit) {
+        if (cc) {
+            if (stanProfile && profileTime && emailProfile) {
+                /* stanProfile is already stored in the crypto context,
+                 * overwrite the data
+                 */
+                NSSArena *arena = stanProfile->object.arena;
+                stanProfile->profileTime = nssItem_Create(
+                    arena, NULL, profileTime->len, profileTime->data);
+                stanProfile->profileData = nssItem_Create(
+                    arena, NULL, emailProfile->len, emailProfile->data);
+            } else if (profileTime && emailProfile) {
+                PRStatus nssrv;
+                NSSItem profTime, profData;
+                NSSITEM_FROM_SECITEM(&profTime, profileTime);
+                NSSITEM_FROM_SECITEM(&profData, emailProfile);
+                stanProfile = nssSMIMEProfile_Create(c, &profTime, &profData);
+                if (!stanProfile)
+                    goto loser;
+                nssrv = nssCryptoContext_ImportSMIMEProfile(cc, stanProfile);
+                rv = (nssrv == PR_SUCCESS) ? SECSuccess : SECFailure;
+            }
+        } else {
+            rv = PK11_SaveSMimeProfile(slot, (char *)emailAddr,
+                                       &cert->derSubject, emailProfile,
+                                       profileTime);
+        }
+    } else {
+        rv = SECSuccess;
+    }
+
+loser:
+    if (oldProfile && freeOldProfile) {
+        SECITEM_FreeItem(oldProfile, PR_TRUE);
+    }
+    if (oldProfileTime && freeOldProfile) {
+        SECITEM_FreeItem(oldProfileTime, PR_TRUE);
+    }
+    if (stanProfile) {
+        nssSMIMEProfile_Destroy(stanProfile);
+    }
+    if (slot) {
+        PK11_FreeSlot(slot);
+    }
+
+    return (rv);
+}
+
+/*
+ *
+ * Manage S/MIME profiles
+ *
+ */
+
+SECStatus
+CERT_SaveSMimeProfile(CERTCertificate *cert, SECItem *emailProfile,
+                      SECItem *profileTime)
+{
+    const char *emailAddr;
+    SECStatus rv;
+
+    if (!cert) {
+        return SECFailure;
+    }
+
+    if (cert->slot && !PK11_IsInternal(cert->slot)) {
+        /* this cert comes from an external source, we need to add it
+        to the cert db before creating an S/MIME profile */
+        PK11SlotInfo *internalslot = PK11_GetInternalKeySlot();
+        if (!internalslot) {
+            return SECFailure;
+        }
+        rv = PK11_ImportCert(internalslot, cert, CK_INVALID_HANDLE, NULL,
+                             PR_FALSE);
+
+        PK11_FreeSlot(internalslot);
+        if (rv != SECSuccess) {
+            return SECFailure;
+        }
+    }
+
+    if (cert->slot && cert->isperm && CERT_IsUserCert(cert) &&
+        (!emailProfile || !emailProfile->len)) {
+        /* Don't clobber emailProfile for user certs. */
+        return SECSuccess;
+    }
+
+    for (emailAddr = CERT_GetFirstEmailAddress(cert); emailAddr != NULL;
+         emailAddr = CERT_GetNextEmailAddress(cert, emailAddr)) {
+        rv = certdb_SaveSingleProfile(cert, emailAddr, emailProfile,
+                                      profileTime);
+        if (rv != SECSuccess) {
+            return SECFailure;
+        }
+    }
+    return SECSuccess;
+}
+
+SECItem *
+CERT_FindSMimeProfile(CERTCertificate *cert)
+{
+    PK11SlotInfo *slot = NULL;
+    NSSCertificate *c;
+    NSSCryptoContext *cc;
+    SECItem *rvItem = NULL;
+
+    if (!cert || !cert->emailAddr || !cert->emailAddr[0]) {
+        PORT_SetError(SEC_ERROR_INVALID_ARGS);
+        return NULL;
+    }
+    c = STAN_GetNSSCertificate(cert);
+    if (!c)
+        return NULL;
+    cc = c->object.cryptoContext;
+    if (cc != NULL) {
+        nssSMIMEProfile *stanProfile;
+        stanProfile = nssCryptoContext_FindSMIMEProfileForCertificate(cc, c);
+        if (stanProfile) {
+            rvItem =
+                SECITEM_AllocItem(NULL, NULL, stanProfile->profileData->size);
+            if (rvItem) {
+                rvItem->data = stanProfile->profileData->data;
+            }
+            nssSMIMEProfile_Destroy(stanProfile);
+        }
+        return rvItem;
+    }
+    rvItem =
+        PK11_FindSMimeProfile(&slot, cert->emailAddr, &cert->derSubject, NULL);
+    if (slot) {
+        PK11_FreeSlot(slot);
+    }
+    return rvItem;
+}
+
+/*
+ * deprecated functions that are now just stubs.
+ */
+/*
+ * Close the database
+ */
+void
+__CERT_ClosePermCertDB(CERTCertDBHandle *handle)
+{
+    PORT_Assert("CERT_ClosePermCertDB is Deprecated" == NULL);
+    return;
+}
+
+SECStatus
+CERT_OpenCertDBFilename(CERTCertDBHandle *handle, char *certdbname,
+                        PRBool readOnly)
+{
+    PORT_Assert("CERT_OpenCertDBFilename is Deprecated" == NULL);
+    PORT_SetError(PR_NOT_IMPLEMENTED_ERROR);
+    return SECFailure;
+}
+
+SECItem *
+SECKEY_HashPassword(char *pw, SECItem *salt)
+{
+    PORT_Assert("SECKEY_HashPassword is Deprecated" == NULL);
+    PORT_SetError(PR_NOT_IMPLEMENTED_ERROR);
+    return NULL;
+}
+
+SECStatus
+__CERT_TraversePermCertsForSubject(CERTCertDBHandle *handle,
+                                   SECItem *derSubject, void *cb, void *cbarg)
+{
+    PORT_Assert("CERT_TraversePermCertsForSubject is Deprecated" == NULL);
+    PORT_SetError(PR_NOT_IMPLEMENTED_ERROR);
+    return SECFailure;
+}
+
+SECStatus
+__CERT_TraversePermCertsForNickname(CERTCertDBHandle *handle, char *nickname,
+                                    void *cb, void *cbarg)
+{
+    PORT_Assert("CERT_TraversePermCertsForNickname is Deprecated" == NULL);
+    PORT_SetError(PR_NOT_IMPLEMENTED_ERROR);
+    return SECFailure;
+}