The Tor Browser: security/nss/lib/pki/pki3hack.c@6474c204b198 (annotated)

security/nss/lib/pki/pki3hack.c@6474c204b198 (annotated)

security/nss/lib/pki/pki3hack.c

Wed, 31 Dec 2014 06:09:35 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Wed, 31 Dec 2014 06:09:35 +0100
changeset 0: 6474c204b198
permissions: -rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

 /* 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/. */
 /*
  * Hacks to integrate NSS 3.4 and NSS 4.0 certificates.
  */
 #ifndef NSSPKI_H
 #include "nsspki.h"
 #endif /* NSSPKI_H */
 #ifndef PKI_H
 #include "pki.h"
 #endif /* PKI_H */
 #ifndef PKIM_H
 #include "pkim.h"
 #endif /* PKIM_H */
 #ifndef DEV_H
 #include "dev.h"
 #endif /* DEV_H */
 #ifndef DEVNSS3HACK_H
 #include "dev3hack.h"
 #endif /* DEVNSS3HACK_H */
 #ifndef PKINSS3HACK_H
 #include "pki3hack.h"
 #endif /* PKINSS3HACK_H */
 #include "secitem.h"
 #include "certdb.h"
 #include "certt.h"
 #include "cert.h"
 #include "certi.h"
 #include "pk11func.h"
 #include "pkistore.h"
 #include "secmod.h"
 #include "nssrwlk.h"
 NSSTrustDomain *g_default_trust_domain = NULL;
 NSSCryptoContext *g_default_crypto_context = NULL;
 NSSTrustDomain *
 STAN_GetDefaultTrustDomain()
 {
     return g_default_trust_domain;
 }
 NSSCryptoContext *
 STAN_GetDefaultCryptoContext()
 {
     return g_default_crypto_context;
 }
 extern const NSSError NSS_ERROR_ALREADY_INITIALIZED;
 extern const NSSError NSS_ERROR_INTERNAL_ERROR;
 NSS_IMPLEMENT PRStatus
 STAN_InitTokenForSlotInfo(NSSTrustDomain *td, PK11SlotInfo *slot)
 {
     NSSToken *token;
     if (!td) {
 	td = g_default_trust_domain;
 	if (!td) {
 	    /* we're called while still initting. slot will get added
 	     * appropriately through normal init processes */
 	    return PR_SUCCESS;
 	}
     }
     token = nssToken_CreateFromPK11SlotInfo(td, slot);
     PK11Slot_SetNSSToken(slot, token);
     /* Don't add nonexistent token to TD's token list */
     if (token) {
 	NSSRWLock_LockWrite(td->tokensLock);
 	nssList_Add(td->tokenList, token);
 	NSSRWLock_UnlockWrite(td->tokensLock);
     }
     return PR_SUCCESS;
 }
 NSS_IMPLEMENT PRStatus
 STAN_ResetTokenInterator(NSSTrustDomain *td)
 {
     if (!td) {
 	td = g_default_trust_domain;
 	if (!td) {
 	    /* we're called while still initting. slot will get added
 	     * appropriately through normal init processes */
 	    return PR_SUCCESS;
 	}
     }
     NSSRWLock_LockWrite(td->tokensLock);
     nssListIterator_Destroy(td->tokens);
     td->tokens = nssList_CreateIterator(td->tokenList);
     NSSRWLock_UnlockWrite(td->tokensLock);
     return PR_SUCCESS;
 }
 NSS_IMPLEMENT PRStatus
 STAN_LoadDefaultNSS3TrustDomain (
   void
 )
 {
     NSSTrustDomain *td;
     SECMODModuleList *mlp;
     SECMODListLock *moduleLock = SECMOD_GetDefaultModuleListLock();
     int i;
     if (g_default_trust_domain || g_default_crypto_context) {
 	/* Stan is already initialized or a previous shutdown failed. */
 	nss_SetError(NSS_ERROR_ALREADY_INITIALIZED);
 	return PR_FAILURE;
     }
     td = NSSTrustDomain_Create(NULL, NULL, NULL, NULL);
     if (!td) {
 	return PR_FAILURE;
     }
     /*
      * Deadlock warning: we should never acquire the moduleLock while
      * we hold the tokensLock. We can use the NSSRWLock Rank feature to
      * guarrentee this. tokensLock have a higher rank than module lock.
      */
     td->tokenList = nssList_Create(td->arena, PR_TRUE);
     if (!td->tokenList) {
 	goto loser;
     }
     SECMOD_GetReadLock(moduleLock);
     NSSRWLock_LockWrite(td->tokensLock);
     for (mlp = SECMOD_GetDefaultModuleList(); mlp != NULL; mlp=mlp->next) {
 	for (i=0; i < mlp->module->slotCount; i++) {
 	    STAN_InitTokenForSlotInfo(td, mlp->module->slots[i]);
 	}
     }
     td->tokens = nssList_CreateIterator(td->tokenList);
     NSSRWLock_UnlockWrite(td->tokensLock);
     SECMOD_ReleaseReadLock(moduleLock);
     if (!td->tokens) {
 	goto loser;
     }
     g_default_crypto_context = NSSTrustDomain_CreateCryptoContext(td, NULL);
     if (!g_default_crypto_context) {
 	goto loser;
     }
     g_default_trust_domain = td;
     return PR_SUCCESS;
   loser:
     NSSTrustDomain_Destroy(td);
     return PR_FAILURE;
 }
 /*
  * must be called holding the ModuleListLock (either read or write).
  */
 NSS_IMPLEMENT SECStatus
 STAN_AddModuleToDefaultTrustDomain (
   SECMODModule *module
 )
 {
     NSSTrustDomain *td;
     int i;
     td = STAN_GetDefaultTrustDomain();
     for (i=0; i<module->slotCount; i++) {
 	STAN_InitTokenForSlotInfo(td, module->slots[i]);
     }
     STAN_ResetTokenInterator(td);
     return SECSuccess;
 }
 /*
  * must be called holding the ModuleListLock (either read or write).
  */
 NSS_IMPLEMENT SECStatus
 STAN_RemoveModuleFromDefaultTrustDomain (
   SECMODModule *module
 )
 {
     NSSToken *token;
     NSSTrustDomain *td;
     int i;
     td = STAN_GetDefaultTrustDomain();
     NSSRWLock_LockWrite(td->tokensLock);
     for (i=0; i<module->slotCount; i++) {
 	token = PK11Slot_GetNSSToken(module->slots[i]);
 	if (token) {
 	    nssToken_NotifyCertsNotVisible(token);
 	    nssList_Remove(td->tokenList, token);
 	    PK11Slot_SetNSSToken(module->slots[i], NULL);
 	    nssToken_Destroy(token);
  	}
     }
     nssListIterator_Destroy(td->tokens);
     td->tokens = nssList_CreateIterator(td->tokenList);
     NSSRWLock_UnlockWrite(td->tokensLock);
     return SECSuccess;
 }
 NSS_IMPLEMENT PRStatus
 STAN_Shutdown()
 {
     PRStatus status = PR_SUCCESS;
     if (g_default_trust_domain) {
 	if (NSSTrustDomain_Destroy(g_default_trust_domain) == PR_SUCCESS) {
 	    g_default_trust_domain = NULL;
 	} else {
 	    status = PR_FAILURE;
 	}
     }
     if (g_default_crypto_context) {
 	if (NSSCryptoContext_Destroy(g_default_crypto_context) == PR_SUCCESS) {
 	    g_default_crypto_context = NULL;
 	} else {
 	    status = PR_FAILURE;
 	}
     }
     return status;
 }
 /* this function should not be a hack; it will be needed in 4.0 (rename) */
 NSS_IMPLEMENT NSSItem *
 STAN_GetCertIdentifierFromDER(NSSArena *arenaOpt, NSSDER *der)
 {
     NSSItem *rvKey;
     SECItem secDER;
     SECItem secKey = { 0 };
     SECStatus secrv;
     PLArenaPool *arena;
     SECITEM_FROM_NSSITEM(&secDER, der);
     /* nss3 call uses nss3 arena's */
     arena = PORT_NewArena(256);
     if (!arena) {
 	return NULL;
     }
     secrv = CERT_KeyFromDERCert(arena, &secDER, &secKey);
     if (secrv != SECSuccess) {
 	return NULL;
     }
     rvKey = nssItem_Create(arenaOpt, NULL, secKey.len, (void *)secKey.data);
     PORT_FreeArena(arena,PR_FALSE);
     return rvKey;
 }
 NSS_IMPLEMENT PRStatus
 nssPKIX509_GetIssuerAndSerialFromDER(NSSDER *der, NSSArena *arena,
                                      NSSDER *issuer, NSSDER *serial)
 {
     SECStatus secrv;
     SECItem derCert;
     SECItem derIssuer = { 0 };
     SECItem derSerial = { 0 };
     SECITEM_FROM_NSSITEM(&derCert, der);
     secrv = CERT_SerialNumberFromDERCert(&derCert, &derSerial);
     if (secrv != SECSuccess) {
 	return PR_FAILURE;
     }
     (void)nssItem_Create(arena, serial, derSerial.len, derSerial.data);
     secrv = CERT_IssuerNameFromDERCert(&derCert, &derIssuer);
     if (secrv != SECSuccess) {
 	PORT_Free(derSerial.data);
 	return PR_FAILURE;
     }
     (void)nssItem_Create(arena, issuer, derIssuer.len, derIssuer.data);
     PORT_Free(derSerial.data);
     PORT_Free(derIssuer.data);
     return PR_SUCCESS;
 }
 static NSSItem *
 nss3certificate_getIdentifier(nssDecodedCert *dc)
 {
     NSSItem *rvID;
     CERTCertificate *c = (CERTCertificate *)dc->data;
     rvID = nssItem_Create(NULL, NULL, c->certKey.len, c->certKey.data);
     return rvID;
 }
 static void *
 nss3certificate_getIssuerIdentifier(nssDecodedCert *dc)
 {
     CERTCertificate *c = (CERTCertificate *)dc->data;
     return (void *)c->authKeyID;
 }
 static nssCertIDMatch
 nss3certificate_matchIdentifier(nssDecodedCert *dc, void *id)
 {
     CERTCertificate *c = (CERTCertificate *)dc->data;
     CERTAuthKeyID *authKeyID = (CERTAuthKeyID *)id;
     SECItem skid;
     nssCertIDMatch match = nssCertIDMatch_Unknown;
     /* keyIdentifier */
     if (authKeyID->keyID.len > 0 &&
 	CERT_FindSubjectKeyIDExtension(c, &skid) == SECSuccess) {
 	PRBool skiEqual;
 	skiEqual = SECITEM_ItemsAreEqual(&authKeyID->keyID, &skid);
 	PORT_Free(skid.data);
 	if (skiEqual) {
 	    /* change the state to positive match, but keep going */
 	    match = nssCertIDMatch_Yes;
 	} else {
 	    /* exit immediately on failure */
 	    return nssCertIDMatch_No;
 	}
     }
     /* issuer/serial (treated as pair) */
     if (authKeyID->authCertIssuer) {
 	SECItem *caName = NULL;
 	SECItem *caSN = &authKeyID->authCertSerialNumber;
 	caName = (SECItem *)CERT_GetGeneralNameByType(
 	                                        authKeyID->authCertIssuer,
 						certDirectoryName, PR_TRUE);
 	if (caName != NULL &&
 	    SECITEM_ItemsAreEqual(&c->derIssuer, caName) &&
 	    SECITEM_ItemsAreEqual(&c->serialNumber, caSN))
 	{
 	    match = nssCertIDMatch_Yes;
 	} else {
 	    match = nssCertIDMatch_Unknown;
 	}
     }
     return match;
 }
 static PRBool
 nss3certificate_isValidIssuer(nssDecodedCert *dc)
 {
     CERTCertificate *c = (CERTCertificate *)dc->data;
     unsigned int ignore;
     return CERT_IsCACert(c, &ignore);
 }
 static NSSUsage *
 nss3certificate_getUsage(nssDecodedCert *dc)
 {
     /* CERTCertificate *c = (CERTCertificate *)dc->data; */
     return NULL;
 }
 static PRBool
 nss3certificate_isValidAtTime(nssDecodedCert *dc, NSSTime *time)
 {
     SECCertTimeValidity validity;
     CERTCertificate *c = (CERTCertificate *)dc->data;
     validity = CERT_CheckCertValidTimes(c, NSSTime_GetPRTime(time), PR_TRUE);
     if (validity == secCertTimeValid) {
 	return PR_TRUE;
     }
     return PR_FALSE;
 }
 static PRBool
 nss3certificate_isNewerThan(nssDecodedCert *dc, nssDecodedCert *cmpdc)
 {
     /* I know this isn't right, but this is glue code anyway */
     if (cmpdc->type == dc->type) {
 	CERTCertificate *certa = (CERTCertificate *)dc->data;
 	CERTCertificate *certb = (CERTCertificate *)cmpdc->data;
 	return CERT_IsNewer(certa, certb);
     }
     return PR_FALSE;
 }
 /* CERT_FilterCertListByUsage */
 static PRBool
 nss3certificate_matchUsage(nssDecodedCert *dc, const NSSUsage *usage)
 {
     CERTCertificate *cc;
     unsigned int requiredKeyUsage = 0;
     unsigned int requiredCertType = 0;
     SECStatus secrv;
     PRBool match;
     PRBool ca;
     /* This is for NSS 3.3 functions that do not specify a usage */
     if (usage->anyUsage) {
 	return PR_TRUE;
     }
     ca = usage->nss3lookingForCA;
     secrv = CERT_KeyUsageAndTypeForCertUsage(usage->nss3usage, ca,
                                              &requiredKeyUsage,
                                              &requiredCertType);
     if (secrv != SECSuccess) {
 	return PR_FALSE;
     }
     cc = (CERTCertificate *)dc->data;
     secrv = CERT_CheckKeyUsage(cc, requiredKeyUsage);
     match = (PRBool)(secrv == SECSuccess);
     if (match) {
 	unsigned int certType = 0;
 	if (ca) {
 	    (void)CERT_IsCACert(cc, &certType);
 	} else {
 	    certType = cc->nsCertType;
 	}
 	if (!(certType & requiredCertType)) {
 	    match = PR_FALSE;
 	}
     }
     return match;
 }
 static PRBool
 nss3certificate_isTrustedForUsage(nssDecodedCert *dc, const NSSUsage *usage)
 {
     CERTCertificate *cc;
     PRBool ca;
     SECStatus secrv;
     unsigned int requiredFlags;
     unsigned int trustFlags;
     SECTrustType trustType;
     CERTCertTrust trust;
     /* This is for NSS 3.3 functions that do not specify a usage */
     if (usage->anyUsage) {
 	return PR_FALSE;  /* XXX is this right? */
     }
     cc = (CERTCertificate *)dc->data;
     ca = usage->nss3lookingForCA;
     if (!ca) {
 	PRBool trusted;
 	unsigned int failedFlags;
 	secrv = cert_CheckLeafTrust(cc, usage->nss3usage,
 				    &failedFlags, &trusted);
 	return secrv == SECSuccess && trusted;
     }
     secrv = CERT_TrustFlagsForCACertUsage(usage->nss3usage, &requiredFlags,
 					  &trustType);
     if (secrv != SECSuccess) {
 	return PR_FALSE;
     }
     secrv = CERT_GetCertTrust(cc, &trust);
     if (secrv != SECSuccess) {
 	return PR_FALSE;
     }
     if (trustType == trustTypeNone) {
 	/* normally trustTypeNone usages accept any of the given trust bits
 	 * being on as acceptable. */
 	trustFlags = trust.sslFlags | trust.emailFlags |
 		     trust.objectSigningFlags;
     } else {
 	trustFlags = SEC_GET_TRUST_FLAGS(&trust, trustType);
     }
     return (trustFlags & requiredFlags) == requiredFlags;
 }
 static NSSASCII7 *
 nss3certificate_getEmailAddress(nssDecodedCert *dc)
 {
     CERTCertificate *cc = (CERTCertificate *)dc->data;
     return (cc && cc->emailAddr && cc->emailAddr[0])
 	    ? (NSSASCII7 *)cc->emailAddr : NULL;
 }
 static PRStatus
 nss3certificate_getDERSerialNumber(nssDecodedCert *dc,
                                    NSSDER *serial, NSSArena *arena)
 {
     CERTCertificate *cc = (CERTCertificate *)dc->data;
     SECItem derSerial = { 0 };
     SECStatus secrv;
     secrv = CERT_SerialNumberFromDERCert(&cc->derCert, &derSerial);
     if (secrv == SECSuccess) {
 	(void)nssItem_Create(arena, serial, derSerial.len, derSerial.data);
 	PORT_Free(derSerial.data);
 	return PR_SUCCESS;
     }
     return PR_FAILURE;
 }
 /* Returns NULL if "encoding" cannot be decoded. */
 NSS_IMPLEMENT nssDecodedCert *
 nssDecodedPKIXCertificate_Create (
   NSSArena *arenaOpt,
   NSSDER *encoding
 )
 {
     nssDecodedCert  *rvDC = NULL;
     CERTCertificate *cert;
     SECItem          secDER;
     SECITEM_FROM_NSSITEM(&secDER, encoding);
     cert = CERT_DecodeDERCertificate(&secDER, PR_TRUE, NULL);
     if (cert) {
 	rvDC = nss_ZNEW(arenaOpt, nssDecodedCert);
 	if (rvDC) {
 	    rvDC->type                = NSSCertificateType_PKIX;
 	    rvDC->data                = (void *)cert;
 	    rvDC->getIdentifier       = nss3certificate_getIdentifier;
 	    rvDC->getIssuerIdentifier = nss3certificate_getIssuerIdentifier;
 	    rvDC->matchIdentifier     = nss3certificate_matchIdentifier;
 	    rvDC->isValidIssuer       = nss3certificate_isValidIssuer;
 	    rvDC->getUsage            = nss3certificate_getUsage;
 	    rvDC->isValidAtTime       = nss3certificate_isValidAtTime;
 	    rvDC->isNewerThan         = nss3certificate_isNewerThan;
 	    rvDC->matchUsage          = nss3certificate_matchUsage;
 	    rvDC->isTrustedForUsage   = nss3certificate_isTrustedForUsage;
 	    rvDC->getEmailAddress     = nss3certificate_getEmailAddress;
 	    rvDC->getDERSerialNumber  = nss3certificate_getDERSerialNumber;
 	} else {
 	    CERT_DestroyCertificate(cert);
 	}
     }
     return rvDC;
 }
 static nssDecodedCert *
 create_decoded_pkix_cert_from_nss3cert (
   NSSArena *arenaOpt,
   CERTCertificate *cc
 )
 {
     nssDecodedCert *rvDC = nss_ZNEW(arenaOpt, nssDecodedCert);
     if (rvDC) {
 	rvDC->type                = NSSCertificateType_PKIX;
 	rvDC->data                = (void *)cc;
 	rvDC->getIdentifier       = nss3certificate_getIdentifier;
 	rvDC->getIssuerIdentifier = nss3certificate_getIssuerIdentifier;
 	rvDC->matchIdentifier     = nss3certificate_matchIdentifier;
 	rvDC->isValidIssuer       = nss3certificate_isValidIssuer;
 	rvDC->getUsage            = nss3certificate_getUsage;
 	rvDC->isValidAtTime       = nss3certificate_isValidAtTime;
 	rvDC->isNewerThan         = nss3certificate_isNewerThan;
 	rvDC->matchUsage          = nss3certificate_matchUsage;
 	rvDC->isTrustedForUsage   = nss3certificate_isTrustedForUsage;
 	rvDC->getEmailAddress     = nss3certificate_getEmailAddress;
 	rvDC->getDERSerialNumber  = nss3certificate_getDERSerialNumber;
     }
     return rvDC;
 }
 NSS_IMPLEMENT PRStatus
 nssDecodedPKIXCertificate_Destroy (
   nssDecodedCert *dc
 )
 {
     CERTCertificate *cert = (CERTCertificate *)dc->data;
     /* The decoder may only be half initialized (the case where we find we
      * could not decode the certificate). In this case, there is not cert to
      * free, just free the dc structure. */
     if (cert) {
 	PRBool freeSlot = cert->ownSlot;
 	PK11SlotInfo *slot = cert->slot;
 	PLArenaPool *arena  = cert->arena;
 	/* zero cert before freeing. Any stale references to this cert
 	 * after this point will probably cause an exception.  */
 	PORT_Memset(cert, 0, sizeof *cert);
 	/* free the arena that contains the cert. */
 	PORT_FreeArena(arena, PR_FALSE);
 	if (slot && freeSlot) {
 	    PK11_FreeSlot(slot);
 	}
     }
     nss_ZFreeIf(dc);
     return PR_SUCCESS;
 }
 /* see pk11cert.c:pk11_HandleTrustObject */
 static unsigned int
 get_nss3trust_from_nss4trust(nssTrustLevel t)
 {
     unsigned int rt = 0;
     if (t == nssTrustLevel_Trusted) {
 	rt |= CERTDB_TERMINAL_RECORD | CERTDB_TRUSTED;
     }
     if (t == nssTrustLevel_TrustedDelegator) {
 	rt |= CERTDB_VALID_CA | CERTDB_TRUSTED_CA;
     }
     if (t == nssTrustLevel_NotTrusted) {
 	rt |= CERTDB_TERMINAL_RECORD;
     }
     if (t == nssTrustLevel_ValidDelegator) {
 	rt |= CERTDB_VALID_CA;
     }
     return rt;
 }
 static CERTCertTrust *
 cert_trust_from_stan_trust(NSSTrust *t, PLArenaPool *arena)
 {
     CERTCertTrust *rvTrust;
     unsigned int client;
     if (!t) {
 	return NULL;
     }
     rvTrust = PORT_ArenaAlloc(arena, sizeof(CERTCertTrust));
     if (!rvTrust) return NULL;
     rvTrust->sslFlags = get_nss3trust_from_nss4trust(t->serverAuth);
     client = get_nss3trust_from_nss4trust(t->clientAuth);
     if (client & (CERTDB_TRUSTED_CA|CERTDB_NS_TRUSTED_CA)) {
 	client &= ~(CERTDB_TRUSTED_CA|CERTDB_NS_TRUSTED_CA);
 	rvTrust->sslFlags |= CERTDB_TRUSTED_CLIENT_CA;
     }
     rvTrust->sslFlags |= client;
     rvTrust->emailFlags = get_nss3trust_from_nss4trust(t->emailProtection);
     rvTrust->objectSigningFlags = get_nss3trust_from_nss4trust(t->codeSigning);
     return rvTrust;
 }
 CERTCertTrust *
 nssTrust_GetCERTCertTrustForCert(NSSCertificate *c, CERTCertificate *cc)
 {
     CERTCertTrust *rvTrust = NULL;
     NSSTrustDomain *td = STAN_GetDefaultTrustDomain();
     NSSTrust *t;
     t = nssTrustDomain_FindTrustForCertificate(td, c);
     if (t) {
 	rvTrust = cert_trust_from_stan_trust(t, cc->arena);
 	if (!rvTrust) {
 	    nssTrust_Destroy(t);
 	    return NULL;
 	}
 	nssTrust_Destroy(t);
     } else {
 	rvTrust = PORT_ArenaAlloc(cc->arena, sizeof(CERTCertTrust));
 	if (!rvTrust) {
 	    return NULL;
 	}
 	memset(rvTrust, 0, sizeof(*rvTrust));
     }
     if (NSSCertificate_IsPrivateKeyAvailable(c, NULL, NULL)) {
 	rvTrust->sslFlags |= CERTDB_USER;
 	rvTrust->emailFlags |= CERTDB_USER;
 	rvTrust->objectSigningFlags |= CERTDB_USER;
     }
     return rvTrust;
 }
 static nssCryptokiInstance *
 get_cert_instance(NSSCertificate *c)
 {
     nssCryptokiObject *instance, **ci;
     nssCryptokiObject **instances = nssPKIObject_GetInstances(&c->object);
     if (!instances) {
 	return NULL;
     }
     instance = NULL;
     for (ci = instances; *ci; ci++) {
 	if (!instance) {
 	    instance = nssCryptokiObject_Clone(*ci);
 	} else {
 	    /* This only really works for two instances...  But 3.4 can't
 	     * handle more anyway.  The logic is, if there are multiple
 	     * instances, prefer the one that is not internal (e.g., on
 	     * a hardware device.
 	     */
 	    if (PK11_IsInternal(instance->token->pk11slot)) {
 		nssCryptokiObject_Destroy(instance);
 		instance = nssCryptokiObject_Clone(*ci);
 	    }
 	}
     }
     nssCryptokiObjectArray_Destroy(instances);
     return instance;
 }
 char *
 STAN_GetCERTCertificateNameForInstance (
   PLArenaPool *arenaOpt,
   NSSCertificate *c,
   nssCryptokiInstance *instance
 )
 {
     NSSCryptoContext *context = c->object.cryptoContext;
     PRStatus nssrv;
     int nicklen, tokenlen, len;
     NSSUTF8 *tokenName = NULL;
     NSSUTF8 *stanNick = NULL;
     char *nickname = NULL;
     char *nick;
     if (instance) {
 	stanNick = instance->label;
     } else if (context) {
 	stanNick = c->object.tempName;
     }
     if (stanNick) {
 	/* fill other fields needed by NSS3 functions using CERTCertificate */
 	if (instance && (!PK11_IsInternalKeySlot(instance->token->pk11slot) ||
 	                 PORT_Strchr(stanNick, ':') != NULL) ) {
 	    tokenName = nssToken_GetName(instance->token);
 	    tokenlen = nssUTF8_Size(tokenName, &nssrv);
 	} else {
 	/* don't use token name for internal slot; 3.3 didn't */
 	    tokenlen = 0;
 	}
 	nicklen = nssUTF8_Size(stanNick, &nssrv);
 	len = tokenlen + nicklen;
 	if (arenaOpt) {
 	    nickname = PORT_ArenaAlloc(arenaOpt, len);
 	} else {
 	    nickname = PORT_Alloc(len);
 	}
 	nick = nickname;
 	if (tokenName) {
 	    memcpy(nick, tokenName, tokenlen-1);
 	    nick += tokenlen-1;
 	    *nick++ = ':';
 	}
 	memcpy(nick, stanNick, nicklen-1);
 	nickname[len-1] = '\0';
     }
     return nickname;
 }
 char *
 STAN_GetCERTCertificateName(PLArenaPool *arenaOpt, NSSCertificate *c)
 {
     char * result;
     nssCryptokiInstance *instance = get_cert_instance(c);
     /* It's OK to call this function, even if instance is NULL */
     result = STAN_GetCERTCertificateNameForInstance(arenaOpt, c, instance);
     if (instance)
 	nssCryptokiObject_Destroy(instance);
     return result;
 }
 static void
 fill_CERTCertificateFields(NSSCertificate *c, CERTCertificate *cc, PRBool forced)
 {
     CERTCertTrust* trust = NULL;
     NSSTrust *nssTrust;
     NSSCryptoContext *context = c->object.cryptoContext;
     nssCryptokiInstance *instance;
     NSSUTF8 *stanNick = NULL;
     /* We are holding the base class object's lock on entry of this function
      * This lock protects writes to fields of the CERTCertificate .
      * It is also needed by some functions to compute values such as trust.
      */
     instance = get_cert_instance(c);
     if (instance) {
 	stanNick = instance->label;
     } else if (context) {
 	stanNick = c->object.tempName;
     }
     /* fill other fields needed by NSS3 functions using CERTCertificate */
     if ((!cc->nickname && stanNick) || forced) {
 	PRStatus nssrv;
 	int nicklen, tokenlen, len;
 	NSSUTF8 *tokenName = NULL;
 	char *nick;
 	if (instance &&
 	     (!PK11_IsInternalKeySlot(instance->token->pk11slot) ||
 	      (stanNick && PORT_Strchr(stanNick, ':') != NULL))) {
 	    tokenName = nssToken_GetName(instance->token);
 	    tokenlen = nssUTF8_Size(tokenName, &nssrv);
 	} else {
 	    /* don't use token name for internal slot; 3.3 didn't */
 	    tokenlen = 0;
 	}
 	if (stanNick) {
 	    nicklen = nssUTF8_Size(stanNick, &nssrv);
 	    len = tokenlen + nicklen;
 	    nick = PORT_ArenaAlloc(cc->arena, len);
 	    if (tokenName) {
 		memcpy(nick, tokenName, tokenlen-1);
 		nick[tokenlen-1] = ':';
 		memcpy(nick+tokenlen, stanNick, nicklen-1);
 	    } else {
 		memcpy(nick, stanNick, nicklen-1);
 	    }
 	    nick[len-1] = '\0';
             cc->nickname = nick;
 	} else {
 	    cc->nickname = NULL;
 	}
     }
     if (context) {
 	/* trust */
 	nssTrust = nssCryptoContext_FindTrustForCertificate(context, c);
 	if (!nssTrust) {
 	    /* chicken and egg issue:
 	     *
 	     * c->issuer and c->serial are empty at this point, but
 	     * nssTrustDomain_FindTrustForCertificate use them to look up
 	     * up the trust object, so we point them to cc->derIssuer and
 	     * cc->serialNumber.
 	     *
 	     * Our caller will fill these in with proper arena copies when we
 	     * return. */
 	    c->issuer.data = cc->derIssuer.data;
 	    c->issuer.size = cc->derIssuer.len;
 	    c->serial.data = cc->serialNumber.data;
 	    c->serial.size = cc->serialNumber.len;
 	    nssTrust = nssTrustDomain_FindTrustForCertificate(context->td, c);
 	}
 	if (nssTrust) {
             trust = cert_trust_from_stan_trust(nssTrust, cc->arena);
             if (trust) {
                 /* we should destroy cc->trust before replacing it, but it's
                    allocated in cc->arena, so memory growth will occur on each
                    refresh */
                 CERT_LockCertTrust(cc);
                 cc->trust = trust;
                 CERT_UnlockCertTrust(cc);
             }
 	    nssTrust_Destroy(nssTrust);
 	}
     } else if (instance) {
 	/* slot */
 	if (cc->slot != instance->token->pk11slot) {
 	    if (cc->slot) {
 		PK11_FreeSlot(cc->slot);
 	    }
 	    cc->slot = PK11_ReferenceSlot(instance->token->pk11slot);
 	}
 	cc->ownSlot = PR_TRUE;
 	/* pkcs11ID */
 	cc->pkcs11ID = instance->handle;
 	/* trust */
 	trust = nssTrust_GetCERTCertTrustForCert(c, cc);
         if (trust) {
             /* we should destroy cc->trust before replacing it, but it's
                allocated in cc->arena, so memory growth will occur on each
                refresh */
             CERT_LockCertTrust(cc);
             cc->trust = trust;
             CERT_UnlockCertTrust(cc);
         }
 	nssCryptokiObject_Destroy(instance);
     }
     /* database handle is now the trust domain */
     cc->dbhandle = c->object.trustDomain;
     /* subjectList ? */
     /* istemp and isperm are supported in NSS 3.4 */
     cc->istemp = PR_FALSE; /* CERT_NewTemp will override this */
     cc->isperm = PR_TRUE;  /* by default */
     /* pointer back */
     cc->nssCertificate = c;
     if (trust) {
 	/* force the cert type to be recomputed to include trust info */
 	PRUint32 nsCertType = cert_ComputeCertType(cc);
 	/* Assert that it is safe to cast &cc->nsCertType to "PRInt32 *" */
 	PORT_Assert(sizeof(cc->nsCertType) == sizeof(PRInt32));
 	PR_ATOMIC_SET((PRInt32 *)&cc->nsCertType, nsCertType);
     }
 }
 static CERTCertificate *
 stan_GetCERTCertificate(NSSCertificate *c, PRBool forceUpdate)
 {
     nssDecodedCert *dc = NULL;
     CERTCertificate *cc = NULL;
     CERTCertTrust certTrust;
     nssPKIObject_Lock(&c->object);
     dc = c->decoding;
     if (!dc) {
 	dc = nssDecodedPKIXCertificate_Create(NULL, &c->encoding);
 	if (!dc) {
             goto loser;
         }
 	cc = (CERTCertificate *)dc->data;
 	PORT_Assert(cc); /* software error */
 	if (!cc) {
 	    nssDecodedPKIXCertificate_Destroy(dc);
 	    nss_SetError(NSS_ERROR_INTERNAL_ERROR);
 	    goto loser;
 	}
     	PORT_Assert(!c->decoding);
 	if (!c->decoding) {
 	    c->decoding = dc;
 	} else {
             /* this should never happen. Fail. */
 	    nssDecodedPKIXCertificate_Destroy(dc);
 	    nss_SetError(NSS_ERROR_INTERNAL_ERROR);
             goto loser;
 	}
     }
     cc = (CERTCertificate *)dc->data;
     PORT_Assert(cc);
     if (!cc) {
         nss_SetError(NSS_ERROR_INTERNAL_ERROR);
         goto loser;
     }
     if (!cc->nssCertificate || forceUpdate) {
         fill_CERTCertificateFields(c, cc, forceUpdate);
     } else if (CERT_GetCertTrust(cc, &certTrust) != SECSuccess &&
                !c->object.cryptoContext) {
         /* if it's a perm cert, it might have been stored before the
          * trust, so look for the trust again.  But a temp cert can be
          * ignored.
          */
         CERTCertTrust* trust = NULL;
         trust = nssTrust_GetCERTCertTrustForCert(c, cc);
         CERT_LockCertTrust(cc);
         cc->trust = trust;
         CERT_UnlockCertTrust(cc);
     }
   loser:
     nssPKIObject_Unlock(&c->object);
     return cc;
 }
 NSS_IMPLEMENT CERTCertificate *
 STAN_ForceCERTCertificateUpdate(NSSCertificate *c)
 {
     if (c->decoding) {
 	return stan_GetCERTCertificate(c, PR_TRUE);
     }
     return NULL;
 }
 NSS_IMPLEMENT CERTCertificate *
 STAN_GetCERTCertificate(NSSCertificate *c)
 {
     return stan_GetCERTCertificate(c, PR_FALSE);
 }
 /*
  * many callers of STAN_GetCERTCertificate() intend that
  * the CERTCertificate returned inherits the reference to the
  * NSSCertificate. For these callers it's convenient to have
  * this function 'own' the reference and either return a valid
  * CERTCertificate structure which inherits the reference or
  * destroy the reference to NSSCertificate and returns NULL.
  */
 NSS_IMPLEMENT CERTCertificate *
 STAN_GetCERTCertificateOrRelease(NSSCertificate *c)
 {
     CERTCertificate *nss3cert = stan_GetCERTCertificate(c, PR_FALSE);
     if (!nss3cert) {
 	nssCertificate_Destroy(c);
     }
     return nss3cert;
 }
 static nssTrustLevel
 get_stan_trust(unsigned int t, PRBool isClientAuth)
 {
     if (isClientAuth) {
 	if (t & CERTDB_TRUSTED_CLIENT_CA) {
 	    return nssTrustLevel_TrustedDelegator;
 	}
     } else {
 	if (t & CERTDB_TRUSTED_CA || t & CERTDB_NS_TRUSTED_CA) {
 	    return nssTrustLevel_TrustedDelegator;
 	}
     }
     if (t & CERTDB_TRUSTED) {
 	return nssTrustLevel_Trusted;
     }
     if (t & CERTDB_TERMINAL_RECORD) {
 	return nssTrustLevel_NotTrusted;
     }
     if (t & CERTDB_VALID_CA) {
 	return nssTrustLevel_ValidDelegator;
     }
     return nssTrustLevel_MustVerify;
 }
 NSS_EXTERN NSSCertificate *
 STAN_GetNSSCertificate(CERTCertificate *cc)
 {
     NSSCertificate *c;
     nssCryptokiInstance *instance;
     nssPKIObject *pkiob;
     NSSArena *arena;
     c = cc->nssCertificate;
     if (c) {
     	return c;
     }
     /* i don't think this should happen.  but if it can, need to create
      * NSSCertificate from CERTCertificate values here.  */
     /* Yup, it can happen. */
     arena = NSSArena_Create();
     if (!arena) {
 	return NULL;
     }
     c = nss_ZNEW(arena, NSSCertificate);
     if (!c) {
 	nssArena_Destroy(arena);
 	return NULL;
     }
     NSSITEM_FROM_SECITEM(&c->encoding, &cc->derCert);
     c->type = NSSCertificateType_PKIX;
     pkiob = nssPKIObject_Create(arena, NULL, cc->dbhandle, NULL, nssPKIMonitor);
     if (!pkiob) {
 	nssArena_Destroy(arena);
 	return NULL;
     }
     c->object = *pkiob;
     nssItem_Create(arena,
                    &c->issuer, cc->derIssuer.len, cc->derIssuer.data);
     nssItem_Create(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;
 	SECStatus secrv;
 	secrv = CERT_SerialNumberFromDERCert(&cc->derCert, &derSerial);
 	if (secrv == SECFailure) {
 	    nssArena_Destroy(arena);
 	    return NULL;
 	}
 	nssItem_Create(arena, &c->serial, derSerial.len, derSerial.data);
 	PORT_Free(derSerial.data);
     }
     if (cc->emailAddr && cc->emailAddr[0]) {
         c->email = nssUTF8_Create(arena,
                                   nssStringType_PrintableString,
                                   (NSSUTF8 *)cc->emailAddr,
                                   PORT_Strlen(cc->emailAddr));
     }
     if (cc->slot) {
 	instance = nss_ZNEW(arena, nssCryptokiInstance);
 	if (!instance) {
 	    nssArena_Destroy(arena);
 	    return NULL;
 	}
 	instance->token = nssToken_AddRef(PK11Slot_GetNSSToken(cc->slot));
 	instance->handle = cc->pkcs11ID;
 	instance->isTokenObject = PR_TRUE;
 	if (cc->nickname) {
 	    instance->label = nssUTF8_Create(arena,
 	                                     nssStringType_UTF8String,
 	                                     (NSSUTF8 *)cc->nickname,
 	                                     PORT_Strlen(cc->nickname));
 	}
 	nssPKIObject_AddInstance(&c->object, instance);
     }
     c->decoding = create_decoded_pkix_cert_from_nss3cert(NULL, cc);
     cc->nssCertificate = c;
     return c;
 }
 static NSSToken*
 stan_GetTrustToken (
   NSSCertificate *c
 )
 {
     NSSToken *ttok = NULL;
     NSSToken *rtok = NULL;
     NSSToken *tok = NULL;
     nssCryptokiObject **ip;
     nssCryptokiObject **instances = nssPKIObject_GetInstances(&c->object);
     if (!instances) {
 	return PR_FALSE;
     }
     for (ip = instances; *ip; ip++) {
 	nssCryptokiObject *instance = *ip;
         nssCryptokiObject *to =
 		nssToken_FindTrustForCertificate(instance->token, NULL,
 		&c->encoding, &c->issuer, &c->serial,
 		nssTokenSearchType_TokenOnly);
 	NSSToken *ctok = instance->token;
 	PRBool ro = PK11_IsReadOnly(ctok->pk11slot);
 	if (to) {
 	    nssCryptokiObject_Destroy(to);
 	    ttok = ctok;
  	    if (!ro) {
 		break;
 	    }
 	} else {
 	    if (!rtok && ro) {
 		rtok = ctok;
 	    }
 	    if (!tok && !ro) {
 		tok = ctok;
 	    }
 	}
     }
     nssCryptokiObjectArray_Destroy(instances);
     return ttok ? ttok : (tok ? tok : rtok);
 }
 NSS_EXTERN PRStatus
 STAN_ChangeCertTrust(CERTCertificate *cc, CERTCertTrust *trust)
 {
     PRStatus nssrv;
     NSSCertificate *c = STAN_GetNSSCertificate(cc);
     NSSToken *tok;
     NSSTrustDomain *td;
     NSSTrust *nssTrust;
     NSSArena *arena;
     CERTCertTrust *oldTrust;
     CERTCertTrust *newTrust;
     nssListIterator *tokens;
     PRBool moving_object;
     nssCryptokiObject *newInstance;
     nssPKIObject *pkiob;
     if (c == NULL) {
         return PR_FAILURE;
     }
     oldTrust = nssTrust_GetCERTCertTrustForCert(c, cc);
     if (oldTrust) {
 	if (memcmp(oldTrust, trust, sizeof (CERTCertTrust)) == 0) {
 	    /* ... and the new trust is no different, done) */
 	    return PR_SUCCESS;
 	} else {
 	    /* take over memory already allocated in cc's arena */
 	    newTrust = oldTrust;
 	}
     } else {
 	newTrust = PORT_ArenaAlloc(cc->arena, sizeof(CERTCertTrust));
     }
     memcpy(newTrust, trust, sizeof(CERTCertTrust));
     CERT_LockCertTrust(cc);
     cc->trust = newTrust;
     CERT_UnlockCertTrust(cc);
     /* Set the NSSCerticate's trust */
     arena = nssArena_Create();
     if (!arena) return PR_FAILURE;
     nssTrust = nss_ZNEW(arena, NSSTrust);
     if (!nssTrust) {
 	nssArena_Destroy(arena);
 	return PR_FAILURE;
     }
     pkiob = nssPKIObject_Create(arena, NULL, cc->dbhandle, NULL, nssPKILock);
     if (!pkiob) {
 	nssArena_Destroy(arena);
 	return PR_FAILURE;
     }
     nssTrust->object = *pkiob;
     nssTrust->certificate = c;
     nssTrust->serverAuth = get_stan_trust(trust->sslFlags, PR_FALSE);
     nssTrust->clientAuth = get_stan_trust(trust->sslFlags, PR_TRUE);
     nssTrust->emailProtection = get_stan_trust(trust->emailFlags, PR_FALSE);
     nssTrust->codeSigning = get_stan_trust(trust->objectSigningFlags, PR_FALSE);
     nssTrust->stepUpApproved =
                     (PRBool)(trust->sslFlags & CERTDB_GOVT_APPROVED_CA);
     if (c->object.cryptoContext != NULL) {
 	/* The cert is in a context, set the trust there */
 	NSSCryptoContext *cc = c->object.cryptoContext;
 	nssrv = nssCryptoContext_ImportTrust(cc, nssTrust);
 	if (nssrv != PR_SUCCESS) {
 	    goto done;
 	}
 	if (c->object.numInstances == 0) {
 	    /* The context is the only instance, finished */
 	    goto done;
 	}
     }
     td = STAN_GetDefaultTrustDomain();
     tok = stan_GetTrustToken(c);
     moving_object = PR_FALSE;
     if (tok && PK11_IsReadOnly(tok->pk11slot))  {
 	NSSRWLock_LockRead(td->tokensLock);
 	tokens = nssList_CreateIterator(td->tokenList);
 	if (!tokens) {
 	    nssrv = PR_FAILURE;
 	    NSSRWLock_UnlockRead(td->tokensLock);
 	    goto done;
 	}
 	for (tok  = (NSSToken *)nssListIterator_Start(tokens);
 	     tok != (NSSToken *)NULL;
 	     tok  = (NSSToken *)nssListIterator_Next(tokens))
 	{
 	    if (!PK11_IsReadOnly(tok->pk11slot)) break;
 	}
 	nssListIterator_Finish(tokens);
 	nssListIterator_Destroy(tokens);
 	NSSRWLock_UnlockRead(td->tokensLock);
 	moving_object = PR_TRUE;
     }
     if (tok) {
 	if (moving_object) {
 	    /* this is kind of hacky.  the softoken needs the cert
 	     * object in order to store trust.  forcing it to be perm
 	     */
 	    NSSUTF8 *nickname = nssCertificate_GetNickname(c, NULL);
 	    NSSASCII7 *email = NULL;
 	    if (PK11_IsInternal(tok->pk11slot)) {
 		email = c->email;
 	    }
 	    newInstance = nssToken_ImportCertificate(tok, NULL,
 	                                             NSSCertificateType_PKIX,
 	                                             &c->id,
 	                                             nickname,
 	                                             &c->encoding,
 	                                             &c->issuer,
 	                                             &c->subject,
 	                                             &c->serial,
 						     email,
 	                                             PR_TRUE);
             nss_ZFreeIf(nickname);
             nickname = NULL;
 	    if (!newInstance) {
 		nssrv = PR_FAILURE;
 		goto done;
 	    }
 	    nssPKIObject_AddInstance(&c->object, newInstance);
 	}
 	newInstance = nssToken_ImportTrust(tok, NULL, &c->encoding,
 	                                   &c->issuer, &c->serial,
 	                                   nssTrust->serverAuth,
 	                                   nssTrust->clientAuth,
 	                                   nssTrust->codeSigning,
 	                                   nssTrust->emailProtection,
 	                                   nssTrust->stepUpApproved, PR_TRUE);
 	/* If the selected token can't handle trust, dump the trust on
 	 * the internal token */
 	if (!newInstance && !PK11_IsInternalKeySlot(tok->pk11slot)) {
 	    PK11SlotInfo *slot = PK11_GetInternalKeySlot();
 	    NSSUTF8 *nickname = nssCertificate_GetNickname(c, NULL);
 	    NSSASCII7 *email = c->email;
 	    tok = PK11Slot_GetNSSToken(slot);
 	    PK11_FreeSlot(slot);
 	    newInstance = nssToken_ImportCertificate(tok, NULL,
 	                                             NSSCertificateType_PKIX,
 	                                             &c->id,
 	                                             nickname,
 	                                             &c->encoding,
 	                                             &c->issuer,
 	                                             &c->subject,
 	                                             &c->serial,
 						     email,
 	                                             PR_TRUE);
             nss_ZFreeIf(nickname);
             nickname = NULL;
 	    if (!newInstance) {
 		nssrv = PR_FAILURE;
 		goto done;
 	    }
 	    nssPKIObject_AddInstance(&c->object, newInstance);
 	    newInstance = nssToken_ImportTrust(tok, NULL, &c->encoding,
 	                                   &c->issuer, &c->serial,
 	                                   nssTrust->serverAuth,
 	                                   nssTrust->clientAuth,
 	                                   nssTrust->codeSigning,
 	                                   nssTrust->emailProtection,
 	                                   nssTrust->stepUpApproved, PR_TRUE);
 	}
 	if (newInstance) {
 	    nssCryptokiObject_Destroy(newInstance);
 	    nssrv = PR_SUCCESS;
 	} else {
 	    nssrv = PR_FAILURE;
 	}
     } else {
 	nssrv = PR_FAILURE;
     }
 done:
     (void)nssTrust_Destroy(nssTrust);
     return nssrv;
 }
 /*
 ** Delete trust objects matching the given slot.
 ** Returns error if a device fails to delete.
 **
 ** This function has the side effect of moving the
 ** surviving entries to the front of the object list
 ** and nullifying the rest.
 */
 static PRStatus
 DeleteCertTrustMatchingSlot(PK11SlotInfo *pk11slot, nssPKIObject *tObject)
 {
     int numNotDestroyed = 0;     /* the ones skipped plus the failures */
     int failureCount = 0;        /* actual deletion failures by devices */
     int index;
     nssPKIObject_Lock(tObject);
     /* Keep going even if a module fails to delete. */
     for (index = 0; index < tObject->numInstances; index++) {
 	nssCryptokiObject *instance = tObject->instances[index];
 	if (!instance) {
 	    continue;
 	}
 	/* ReadOnly and not matched treated the same */
 	if (PK11_IsReadOnly(instance->token->pk11slot) ||
 	    pk11slot != instance->token->pk11slot) {
 	    tObject->instances[numNotDestroyed++] = instance;
 	    continue;
 	}
 	/* Here we have found a matching one */
 	tObject->instances[index] = NULL;
 	if (nssToken_DeleteStoredObject(instance) == PR_SUCCESS) {
 	    nssCryptokiObject_Destroy(instance);
 	} else {
 	    tObject->instances[numNotDestroyed++] = instance;
 	    failureCount++;
 	}
     }
     if (numNotDestroyed == 0) {
     	nss_ZFreeIf(tObject->instances);
     	tObject->numInstances = 0;
     } else {
     	tObject->numInstances = numNotDestroyed;
     }
     nssPKIObject_Unlock(tObject);
     return failureCount == 0 ? PR_SUCCESS : PR_FAILURE;
 }
 /*
 ** Delete trust objects matching the slot of the given certificate.
 ** Returns an error if any device fails to delete.
 */
 NSS_EXTERN PRStatus
 STAN_DeleteCertTrustMatchingSlot(NSSCertificate *c)
 {
     PRStatus nssrv = PR_SUCCESS;
     NSSTrustDomain *td = STAN_GetDefaultTrustDomain();
     NSSTrust *nssTrust = nssTrustDomain_FindTrustForCertificate(td, c);
     /* caller made sure nssTrust isn't NULL */
     nssPKIObject *tobject = &nssTrust->object;
     nssPKIObject *cobject = &c->object;
     int i;
     /* Iterate through the cert and trust object instances looking for
      * those with matching pk11 slots to delete. Even if some device
      * can't delete we keep going. Keeping a status variable for the
      * loop so that once it's failed the other gets set.
      */
     NSSRWLock_LockRead(td->tokensLock);
     nssPKIObject_Lock(cobject);
     for (i = 0; i < cobject->numInstances; i++) {
 	nssCryptokiObject *cInstance = cobject->instances[i];
 	if (cInstance && !PK11_IsReadOnly(cInstance->token->pk11slot)) {
 		PRStatus status;
 	    if (!tobject->numInstances || !tobject->instances) continue;
 	    status = DeleteCertTrustMatchingSlot(cInstance->token->pk11slot, tobject);
 	    if (status == PR_FAILURE) {
 	    	/* set the outer one but keep going */
 	    	nssrv = PR_FAILURE;
 	    }
 	}
     }
     nssPKIObject_Unlock(cobject);
     NSSRWLock_UnlockRead(td->tokensLock);
     return nssrv;
 }
 /* CERT_TraversePermCertsForSubject */
 NSS_IMPLEMENT PRStatus
 nssTrustDomain_TraverseCertificatesBySubject (
   NSSTrustDomain *td,
   NSSDER *subject,
   PRStatus (*callback)(NSSCertificate *c, void *arg),
   void *arg
 )
 {
     PRStatus nssrv = PR_SUCCESS;
     NSSArena *tmpArena;
     NSSCertificate **subjectCerts;
     NSSCertificate *c;
     PRIntn i;
     tmpArena = NSSArena_Create();
     if (!tmpArena) {
         return PR_FAILURE;
     }
     subjectCerts = NSSTrustDomain_FindCertificatesBySubject(td, subject, NULL,
 , tmpArena);
     if (subjectCerts) {
 	for (i=0, c = subjectCerts[i]; c; i++) {
 	    nssrv = callback(c, arg);
 	    if (nssrv != PR_SUCCESS) break;
 	}
     }
     nssArena_Destroy(tmpArena);
     return nssrv;
 }
 /* CERT_TraversePermCertsForNickname */
 NSS_IMPLEMENT PRStatus
 nssTrustDomain_TraverseCertificatesByNickname (
   NSSTrustDomain *td,
   NSSUTF8 *nickname,
   PRStatus (*callback)(NSSCertificate *c, void *arg),
   void *arg
 )
 {
     PRStatus nssrv = PR_SUCCESS;
     NSSArena *tmpArena;
     NSSCertificate **nickCerts;
     NSSCertificate *c;
     PRIntn i;
     tmpArena = NSSArena_Create();
     if (!tmpArena) {
         return PR_FAILURE;
     }
     nickCerts = NSSTrustDomain_FindCertificatesByNickname(td, nickname, NULL,
 , tmpArena);
     if (nickCerts) {
 	for (i=0, c = nickCerts[i]; c; i++) {
 	    nssrv = callback(c, arg);
 	    if (nssrv != PR_SUCCESS) break;
 	}
     }
     nssArena_Destroy(tmpArena);
     return nssrv;
 }
 static void cert_dump_iter(const void *k, void *v, void *a)
 {
     NSSCertificate *c = (NSSCertificate *)k;
     CERTCertificate *cert = STAN_GetCERTCertificate(c);
     printf("[%2d] \"%s\"\n", c->object.refCount, cert->subjectName);
 }
 void
 nss_DumpCertificateCacheInfo()
 {
     NSSTrustDomain *td;
     NSSCryptoContext *cc;
     td = STAN_GetDefaultTrustDomain();
     cc = STAN_GetDefaultCryptoContext();
     printf("\n\nCertificates in the cache:\n");
     nssTrustDomain_DumpCacheInfo(td, cert_dump_iter, NULL);
     printf("\n\nCertificates in the temporary store:\n");
     if (cc->certStore) {
 	nssCertificateStore_DumpStoreInfo(cc->certStore, cert_dump_iter, NULL);
     }
 }

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security/nss/lib/pki/pki3hack.c@6474c204b198 (annotated)

security/nss/lib/pki/pki3hack.c