The Tor Browser: security/nss/lib/certdb/polcyxtn.c@b8a032363ba2 (annotated)

security/nss/lib/certdb/polcyxtn.c@b8a032363ba2 (annotated)

security/nss/lib/certdb/polcyxtn.c

Thu, 22 Jan 2015 13:21:57 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Thu, 22 Jan 2015 13:21:57 +0100
branch: TOR_BUG_9701
changeset 15: b8a032363ba2
permissions: -rw-r--r--

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

 /* 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/. */
 /*
  * Support for various policy related extensions
  */
 #include "seccomon.h"
 #include "secport.h"
 #include "secder.h"
 #include "cert.h"
 #include "secoid.h"
 #include "secasn1.h"
 #include "secerr.h"
 #include "nspr.h"
 SEC_ASN1_MKSUB(SEC_IntegerTemplate)
 SEC_ASN1_MKSUB(SEC_ObjectIDTemplate)
 const SEC_ASN1Template CERT_DisplayTextTypeTemplate[] = {
     { SEC_ASN1_CHOICE, offsetof(SECItem, type), 0, sizeof(SECItem) },
     { SEC_ASN1_IA5_STRING, 0, 0, siAsciiString},
     { SEC_ASN1_VISIBLE_STRING , 0, 0, siVisibleString},
     { SEC_ASN1_BMP_STRING  , 0, 0, siBMPString },
     { SEC_ASN1_UTF8_STRING , 0, 0, siUTF8String },
     { 0 }
 };
 const SEC_ASN1Template CERT_NoticeReferenceTemplate[] = {
     { SEC_ASN1_SEQUENCE,
 , NULL, sizeof(CERTNoticeReference) },
     { SEC_ASN1_INLINE,
 	  offsetof(CERTNoticeReference, organization),
            CERT_DisplayTextTypeTemplate, 0 },
     { SEC_ASN1_SEQUENCE_OF | SEC_ASN1_XTRN,
            offsetof(CERTNoticeReference, noticeNumbers),
            SEC_ASN1_SUB(SEC_IntegerTemplate) },
     { 0 }
 };
 const SEC_ASN1Template CERT_UserNoticeTemplate[] = {
     { SEC_ASN1_SEQUENCE,
 , NULL, sizeof(CERTUserNotice) },
     { SEC_ASN1_INLINE | SEC_ASN1_OPTIONAL,
 	  offsetof(CERTUserNotice, noticeReference),
            CERT_NoticeReferenceTemplate, 0 },
     { SEC_ASN1_INLINE | SEC_ASN1_OPTIONAL,
 	  offsetof(CERTUserNotice, displayText),
            CERT_DisplayTextTypeTemplate, 0 },
     { 0 }
 };
 const SEC_ASN1Template CERT_PolicyQualifierTemplate[] = {
     { SEC_ASN1_SEQUENCE,
 , NULL, sizeof(CERTPolicyQualifier) },
     { SEC_ASN1_OBJECT_ID,
 	  offsetof(CERTPolicyQualifier, qualifierID) },
     { SEC_ASN1_ANY,
 	  offsetof(CERTPolicyQualifier, qualifierValue) },
     { 0 }
 };
 const SEC_ASN1Template CERT_PolicyInfoTemplate[] = {
     { SEC_ASN1_SEQUENCE,
 , NULL, sizeof(CERTPolicyInfo) },
     { SEC_ASN1_OBJECT_ID,
 	  offsetof(CERTPolicyInfo, policyID) },
     { SEC_ASN1_SEQUENCE_OF | SEC_ASN1_OPTIONAL,
 	  offsetof(CERTPolicyInfo, policyQualifiers),
 	  CERT_PolicyQualifierTemplate },
     { 0 }
 };
 const SEC_ASN1Template CERT_CertificatePoliciesTemplate[] = {
     { SEC_ASN1_SEQUENCE_OF,
 	  offsetof(CERTCertificatePolicies, policyInfos),
 	  CERT_PolicyInfoTemplate, sizeof(CERTCertificatePolicies)  }
 };
 const SEC_ASN1Template CERT_PolicyMapTemplate[] = {
     { SEC_ASN1_SEQUENCE,
 , NULL, sizeof(CERTPolicyMap) },
     { SEC_ASN1_OBJECT_ID,
 	  offsetof(CERTPolicyMap, issuerDomainPolicy) },
     { SEC_ASN1_OBJECT_ID,
 	  offsetof(CERTPolicyMap, subjectDomainPolicy) },
     { 0 }
 };
 const SEC_ASN1Template CERT_PolicyMappingsTemplate[] = {
     { SEC_ASN1_SEQUENCE_OF,
 	  offsetof(CERTCertificatePolicyMappings, policyMaps),
 	  CERT_PolicyMapTemplate, sizeof(CERTPolicyMap)  }
 };
 const SEC_ASN1Template CERT_PolicyConstraintsTemplate[] = {
     { SEC_ASN1_SEQUENCE, 0, NULL, sizeof(CERTCertificatePolicyConstraints) },
     { SEC_ASN1_OPTIONAL | SEC_ASN1_CONTEXT_SPECIFIC | SEC_ASN1_XTRN | 0,
 	  offsetof(CERTCertificatePolicyConstraints, explicitPolicySkipCerts),
 	  SEC_ASN1_SUB(SEC_IntegerTemplate) },
     { SEC_ASN1_OPTIONAL | SEC_ASN1_CONTEXT_SPECIFIC | SEC_ASN1_XTRN | 1,
 	  offsetof(CERTCertificatePolicyConstraints, inhibitMappingSkipCerts),
 	  SEC_ASN1_SUB(SEC_IntegerTemplate) },
     { 0 }
 };
 const SEC_ASN1Template CERT_InhibitAnyTemplate[] = {
     { SEC_ASN1_INTEGER,
 	  offsetof(CERTCertificateInhibitAny, inhibitAnySkipCerts),
 	  NULL, sizeof(CERTCertificateInhibitAny)  }
 };
 static void
 breakLines(char *string)
 {
     char *tmpstr;
     char *lastspace = NULL;
     int curlen = 0;
     int c;
     tmpstr = string;
     while ( ( c = *tmpstr ) != '\0' ) {
 	switch ( c ) {
 	  case ' ':
 	    lastspace = tmpstr;
 	    break;
 	  case '\n':
 	    lastspace = NULL;
 	    curlen = 0;
 	    break;
 	}
 	if ( ( curlen >= 55 ) && ( lastspace != NULL ) ) {
 	    *lastspace = '\n';
 	    curlen = ( tmpstr - lastspace );
 	    lastspace = NULL;
 	}
 	curlen++;
 	tmpstr++;
     }
     return;
 }
 CERTCertificatePolicies *
 CERT_DecodeCertificatePoliciesExtension(const SECItem *extnValue)
 {
     PLArenaPool *arena = NULL;
     SECStatus rv;
     CERTCertificatePolicies *policies;
     CERTPolicyInfo **policyInfos, *policyInfo;
     CERTPolicyQualifier **policyQualifiers, *policyQualifier;
     SECItem newExtnValue;
     /* make a new arena */
     arena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE);
     if ( !arena ) {
 	goto loser;
     }
     /* allocate the certificate policies structure */
     policies = (CERTCertificatePolicies *)
 	PORT_ArenaZAlloc(arena, sizeof(CERTCertificatePolicies));
     if ( policies == NULL ) {
 	goto loser;
     }
     policies->arena = arena;
     /* copy the DER into the arena, since Quick DER returns data that points
        into the DER input, which may get freed by the caller */
     rv = SECITEM_CopyItem(arena, &newExtnValue, extnValue);
     if ( rv != SECSuccess ) {
 	goto loser;
     }
     /* decode the policy info */
     rv = SEC_QuickDERDecodeItem(arena, policies, CERT_CertificatePoliciesTemplate,
 			    &newExtnValue);
     if ( rv != SECSuccess ) {
 	goto loser;
     }
     /* initialize the oid tags */
     policyInfos = policies->policyInfos;
     while (*policyInfos != NULL ) {
 	policyInfo = *policyInfos;
 	policyInfo->oid = SECOID_FindOIDTag(&policyInfo->policyID);
 	policyQualifiers = policyInfo->policyQualifiers;
 	while ( policyQualifiers != NULL && *policyQualifiers != NULL ) {
 	    policyQualifier = *policyQualifiers;
 	    policyQualifier->oid =
 		SECOID_FindOIDTag(&policyQualifier->qualifierID);
 	    policyQualifiers++;
 	}
 	policyInfos++;
     }
     return(policies);
 loser:
     if ( arena != NULL ) {
 	PORT_FreeArena(arena, PR_FALSE);
     }
     return(NULL);
 }
 void
 CERT_DestroyCertificatePoliciesExtension(CERTCertificatePolicies *policies)
 {
     if ( policies != NULL ) {
 	PORT_FreeArena(policies->arena, PR_FALSE);
     }
     return;
 }
 CERTCertificatePolicyMappings *
 CERT_DecodePolicyMappingsExtension(SECItem *extnValue)
 {
     PLArenaPool *arena = NULL;
     SECStatus rv;
     CERTCertificatePolicyMappings *mappings;
     SECItem newExtnValue;
     /* make a new arena */
     arena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE);
     if ( !arena ) {
         goto loser;
     }
     /* allocate the policy mappings structure */
     mappings = (CERTCertificatePolicyMappings *)
         PORT_ArenaZAlloc(arena, sizeof(CERTCertificatePolicyMappings));
     if ( mappings == NULL ) {
         goto loser;
     }
     mappings->arena = arena;
     /* copy the DER into the arena, since Quick DER returns data that points
        into the DER input, which may get freed by the caller */
     rv = SECITEM_CopyItem(arena, &newExtnValue, extnValue);
     if ( rv != SECSuccess ) {
         goto loser;
     }
     /* decode the policy mappings */
     rv = SEC_QuickDERDecodeItem
         (arena, mappings, CERT_PolicyMappingsTemplate, &newExtnValue);
     if ( rv != SECSuccess ) {
         goto loser;
     }
     return(mappings);
 loser:
     if ( arena != NULL ) {
         PORT_FreeArena(arena, PR_FALSE);
     }
     return(NULL);
 }
 SECStatus
 CERT_DestroyPolicyMappingsExtension(CERTCertificatePolicyMappings *mappings)
 {
     if ( mappings != NULL ) {
         PORT_FreeArena(mappings->arena, PR_FALSE);
     }
     return SECSuccess;
 }
 SECStatus
 CERT_DecodePolicyConstraintsExtension
                              (CERTCertificatePolicyConstraints *decodedValue,
                               const SECItem *encodedValue)
 {
     CERTCertificatePolicyConstraints decodeContext;
     PLArenaPool *arena = NULL;
     SECStatus rv = SECSuccess;
     /* initialize so we can tell when an optional component is omitted */
     PORT_Memset(&decodeContext, 0, sizeof(decodeContext));
     /* make a new arena */
     arena = PORT_NewArena(SEC_ASN1_DEFAULT_ARENA_SIZE);
     if (!arena) {
         return SECFailure;
     }
     do {
         /* decode the policy constraints */
         rv = SEC_QuickDERDecodeItem(arena,
                 &decodeContext, CERT_PolicyConstraintsTemplate, encodedValue);
         if ( rv != SECSuccess ) {
             break;
         }
         if (decodeContext.explicitPolicySkipCerts.len == 0) {
             *(PRInt32 *)decodedValue->explicitPolicySkipCerts.data = -1;
         } else {
             *(PRInt32 *)decodedValue->explicitPolicySkipCerts.data =
                     DER_GetInteger(&decodeContext.explicitPolicySkipCerts);
         }
         if (decodeContext.inhibitMappingSkipCerts.len == 0) {
             *(PRInt32 *)decodedValue->inhibitMappingSkipCerts.data = -1;
         } else {
             *(PRInt32 *)decodedValue->inhibitMappingSkipCerts.data =
                     DER_GetInteger(&decodeContext.inhibitMappingSkipCerts);
         }
         if ((*(PRInt32 *)decodedValue->explicitPolicySkipCerts.data ==
                 PR_INT32_MIN) ||
             (*(PRInt32 *)decodedValue->explicitPolicySkipCerts.data ==
                 PR_INT32_MAX) ||
             (*(PRInt32 *)decodedValue->inhibitMappingSkipCerts.data ==
                 PR_INT32_MIN) ||
             (*(PRInt32 *)decodedValue->inhibitMappingSkipCerts.data ==
                 PR_INT32_MAX)) {
             rv = SECFailure;
         }
     } while (0);
     PORT_FreeArena(arena, PR_FALSE);
     return(rv);
 }
 SECStatus CERT_DecodeInhibitAnyExtension
         (CERTCertificateInhibitAny *decodedValue, SECItem *encodedValue)
 {
     CERTCertificateInhibitAny decodeContext;
     PLArenaPool *arena = NULL;
     SECStatus rv = SECSuccess;
     /* make a new arena */
     arena = PORT_NewArena(SEC_ASN1_DEFAULT_ARENA_SIZE);
     if ( !arena ) {
         return SECFailure;
     }
     do {
         /* decode the policy mappings */
         decodeContext.inhibitAnySkipCerts.type = siUnsignedInteger;
         rv = SEC_QuickDERDecodeItem(arena,
                 &decodeContext, CERT_InhibitAnyTemplate, encodedValue);
         if ( rv != SECSuccess ) {
             break;
         }
         *(PRInt32 *)decodedValue->inhibitAnySkipCerts.data =
                 DER_GetInteger(&decodeContext.inhibitAnySkipCerts);
     } while (0);
     PORT_FreeArena(arena, PR_FALSE);
     return(rv);
 }
 CERTUserNotice *
 CERT_DecodeUserNotice(SECItem *noticeItem)
 {
     PLArenaPool *arena = NULL;
     SECStatus rv;
     CERTUserNotice *userNotice;
     SECItem newNoticeItem;
     /* make a new arena */
     arena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE);
     if ( !arena ) {
 	goto loser;
     }
     /* allocate the userNotice structure */
     userNotice = (CERTUserNotice *)PORT_ArenaZAlloc(arena,
 						    sizeof(CERTUserNotice));
     if ( userNotice == NULL ) {
 	goto loser;
     }
     userNotice->arena = arena;
     /* copy the DER into the arena, since Quick DER returns data that points
        into the DER input, which may get freed by the caller */
     rv = SECITEM_CopyItem(arena, &newNoticeItem, noticeItem);
     if ( rv != SECSuccess ) {
 	goto loser;
     }
     /* decode the user notice */
     rv = SEC_QuickDERDecodeItem(arena, userNotice, CERT_UserNoticeTemplate,
 			    &newNoticeItem);
     if ( rv != SECSuccess ) {
 	goto loser;
     }
     if (userNotice->derNoticeReference.data != NULL) {
         rv = SEC_QuickDERDecodeItem(arena, &userNotice->noticeReference,
                                     CERT_NoticeReferenceTemplate,
                                     &userNotice->derNoticeReference);
         if (rv == SECFailure) {
             goto loser;
     	}
     }
     return(userNotice);
 loser:
     if ( arena != NULL ) {
 	PORT_FreeArena(arena, PR_FALSE);
     }
     return(NULL);
 }
 void
 CERT_DestroyUserNotice(CERTUserNotice *userNotice)
 {
     if ( userNotice != NULL ) {
 	PORT_FreeArena(userNotice->arena, PR_FALSE);
     }
     return;
 }
 static CERTPolicyStringCallback policyStringCB = NULL;
 static void *policyStringCBArg = NULL;
 void
 CERT_SetCAPolicyStringCallback(CERTPolicyStringCallback cb, void *cbarg)
 {
     policyStringCB = cb;
     policyStringCBArg = cbarg;
     return;
 }
 char *
 stringFromUserNotice(SECItem *noticeItem)
 {
     SECItem *org;
     unsigned int len, headerlen;
     char *stringbuf;
     CERTUserNotice *userNotice;
     char *policystr;
     char *retstr = NULL;
     SECItem *displayText;
     SECItem **noticeNumbers;
     unsigned int strnum;
     /* decode the user notice */
     userNotice = CERT_DecodeUserNotice(noticeItem);
     if ( userNotice == NULL ) {
 	return(NULL);
     }
     org = &userNotice->noticeReference.organization;
     if ( (org->len != 0 ) && ( policyStringCB != NULL ) ) {
 	/* has a noticeReference */
 	/* extract the org string */
 	len = org->len;
 	stringbuf = (char*)PORT_Alloc(len + 1);
 	if ( stringbuf != NULL ) {
 	    PORT_Memcpy(stringbuf, org->data, len);
 	    stringbuf[len] = '\0';
 	    noticeNumbers = userNotice->noticeReference.noticeNumbers;
 	    while ( *noticeNumbers != NULL ) {
 		/* XXX - only one byte integers right now*/
 		strnum = (*noticeNumbers)->data[0];
 		policystr = (* policyStringCB)(stringbuf,
 					       strnum,
 					       policyStringCBArg);
 		if ( policystr != NULL ) {
 		    if ( retstr != NULL ) {
 			retstr = PR_sprintf_append(retstr, "\n%s", policystr);
 		    } else {
 			retstr = PR_sprintf_append(retstr, "%s", policystr);
 		    }
 		    PORT_Free(policystr);
 		}
 		noticeNumbers++;
 	    }
 	    PORT_Free(stringbuf);
 	}
     }
     if ( retstr == NULL ) {
 	if ( userNotice->displayText.len != 0 ) {
 	    displayText = &userNotice->displayText;
 	    if ( displayText->len > 2 ) {
 		if ( displayText->data[0] == SEC_ASN1_VISIBLE_STRING ) {
 		    headerlen = 2;
 		    if ( displayText->data[1] & 0x80 ) {
 			/* multibyte length */
 			headerlen += ( displayText->data[1] & 0x7f );
 		    }
 		    len = displayText->len - headerlen;
 		    retstr = (char*)PORT_Alloc(len + 1);
 		    if ( retstr != NULL ) {
 			PORT_Memcpy(retstr, &displayText->data[headerlen],len);
 			retstr[len] = '\0';
 		    }
 		}
 	    }
 	}
     }
     CERT_DestroyUserNotice(userNotice);
     return(retstr);
 }
 char *
 CERT_GetCertCommentString(CERTCertificate *cert)
 {
     char *retstring = NULL;
     SECStatus rv;
     SECItem policyItem;
     CERTCertificatePolicies *policies = NULL;
     CERTPolicyInfo **policyInfos;
     CERTPolicyQualifier **policyQualifiers, *qualifier;
     policyItem.data = NULL;
     rv = CERT_FindCertExtension(cert, SEC_OID_X509_CERTIFICATE_POLICIES,
 				&policyItem);
     if ( rv != SECSuccess ) {
 	goto nopolicy;
     }
     policies = CERT_DecodeCertificatePoliciesExtension(&policyItem);
     if ( policies == NULL ) {
 	goto nopolicy;
     }
     policyInfos = policies->policyInfos;
     /* search through policyInfos looking for the verisign policy */
     while (*policyInfos != NULL ) {
 	if ( (*policyInfos)->oid == SEC_OID_VERISIGN_USER_NOTICES ) {
 	    policyQualifiers = (*policyInfos)->policyQualifiers;
 	    /* search through the policy qualifiers looking for user notice */
 	    while ( policyQualifiers != NULL && *policyQualifiers != NULL ) {
 		qualifier = *policyQualifiers;
 		if ( qualifier->oid == SEC_OID_PKIX_USER_NOTICE_QUALIFIER ) {
 		    retstring =
 			stringFromUserNotice(&qualifier->qualifierValue);
 		    break;
 		}
 		policyQualifiers++;
 	    }
 	    break;
 	}
 	policyInfos++;
     }
 nopolicy:
     if ( policyItem.data != NULL ) {
 	PORT_Free(policyItem.data);
     }
     if ( policies != NULL ) {
 	CERT_DestroyCertificatePoliciesExtension(policies);
     }
     if ( retstring == NULL ) {
 	retstring = CERT_FindNSStringExtension(cert,
 					       SEC_OID_NS_CERT_EXT_COMMENT);
     }
     if ( retstring != NULL ) {
 	breakLines(retstring);
     }
     return(retstring);
 }
 const SEC_ASN1Template CERT_OidSeqTemplate[] = {
     { SEC_ASN1_SEQUENCE_OF | SEC_ASN1_XTRN,
 	  offsetof(CERTOidSequence, oids),
 	  SEC_ASN1_SUB(SEC_ObjectIDTemplate) }
 };
 CERTOidSequence *
 CERT_DecodeOidSequence(const SECItem *seqItem)
 {
     PLArenaPool *arena = NULL;
     SECStatus rv;
     CERTOidSequence *oidSeq;
     SECItem newSeqItem;
     /* make a new arena */
     arena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE);
     if ( !arena ) {
 	goto loser;
     }
     /* allocate the userNotice structure */
     oidSeq = (CERTOidSequence *)PORT_ArenaZAlloc(arena,
 						 sizeof(CERTOidSequence));
     if ( oidSeq == NULL ) {
 	goto loser;
     }
     oidSeq->arena = arena;
     /* copy the DER into the arena, since Quick DER returns data that points
        into the DER input, which may get freed by the caller */
     rv = SECITEM_CopyItem(arena, &newSeqItem, seqItem);
     if ( rv != SECSuccess ) {
 	goto loser;
     }
     /* decode the user notice */
     rv = SEC_QuickDERDecodeItem(arena, oidSeq, CERT_OidSeqTemplate, &newSeqItem);
     if ( rv != SECSuccess ) {
 	goto loser;
     }
     return(oidSeq);
 loser:
     if (arena) {
         PORT_FreeArena(arena, PR_FALSE);
     }
     return(NULL);
 }
 void
 CERT_DestroyOidSequence(CERTOidSequence *oidSeq)
 {
     if ( oidSeq != NULL ) {
 	PORT_FreeArena(oidSeq->arena, PR_FALSE);
     }
     return;
 }
 PRBool
 CERT_GovtApprovedBitSet(CERTCertificate *cert)
 {
     SECStatus rv;
     SECItem extItem;
     CERTOidSequence *oidSeq = NULL;
     PRBool ret;
     SECItem **oids;
     SECItem *oid;
     SECOidTag oidTag;
     extItem.data = NULL;
     rv = CERT_FindCertExtension(cert, SEC_OID_X509_EXT_KEY_USAGE, &extItem);
     if ( rv != SECSuccess ) {
 	goto loser;
     }
     oidSeq = CERT_DecodeOidSequence(&extItem);
     if ( oidSeq == NULL ) {
 	goto loser;
     }
     oids = oidSeq->oids;
     while ( oids != NULL && *oids != NULL ) {
 	oid = *oids;
 	oidTag = SECOID_FindOIDTag(oid);
 	if ( oidTag == SEC_OID_NS_KEY_USAGE_GOVT_APPROVED ) {
 	    goto success;
 	}
 	oids++;
     }
 loser:
     ret = PR_FALSE;
     goto done;
 success:
     ret = PR_TRUE;
 done:
     if ( oidSeq != NULL ) {
 	CERT_DestroyOidSequence(oidSeq);
     }
     if (extItem.data != NULL) {
 	PORT_Free(extItem.data);
     }
     return(ret);
 }
 SECStatus
 CERT_EncodePolicyConstraintsExtension(PLArenaPool *arena,
                                       CERTCertificatePolicyConstraints *constr,
                                       SECItem *dest)
 {
     SECStatus rv = SECSuccess;
     PORT_Assert(constr != NULL && dest != NULL);
     if (constr == NULL || dest == NULL) {
 	return SECFailure;
     }
     if (SEC_ASN1EncodeItem (arena, dest, constr,
                             CERT_PolicyConstraintsTemplate) == NULL) {
 	rv = SECFailure;
     }
     return(rv);
 }
 SECStatus
 CERT_EncodePolicyMappingExtension(PLArenaPool *arena,
                                   CERTCertificatePolicyMappings *mapping,
                                   SECItem *dest)
 {
     SECStatus rv = SECSuccess;
     PORT_Assert(mapping != NULL && dest != NULL);
     if (mapping == NULL || dest == NULL) {
 	return SECFailure;
     }
     if (SEC_ASN1EncodeItem (arena, dest, mapping,
                             CERT_PolicyMappingsTemplate) == NULL) {
 	rv = SECFailure;
     }
     return(rv);
 }
 SECStatus
 CERT_EncodeCertPoliciesExtension(PLArenaPool *arena,
                                  CERTPolicyInfo **info,
                                  SECItem *dest)
 {
     SECStatus rv = SECSuccess;
     PORT_Assert(info != NULL && dest != NULL);
     if (info == NULL || dest == NULL) {
 	return SECFailure;
     }
     if (SEC_ASN1EncodeItem (arena, dest, info,
                             CERT_CertificatePoliciesTemplate) == NULL) {
 	rv = SECFailure;
     }
     return(rv);
 }
 SECStatus
 CERT_EncodeUserNotice(PLArenaPool *arena,
                       CERTUserNotice *notice,
                       SECItem *dest)
 {
     SECStatus rv = SECSuccess;
     PORT_Assert(notice != NULL && dest != NULL);
     if (notice == NULL || dest == NULL) {
 	return SECFailure;
     }
     if (SEC_ASN1EncodeItem(arena, dest,
                            notice, CERT_UserNoticeTemplate) == NULL) {
 	rv = SECFailure;
     }
     return(rv);
 }
 SECStatus
 CERT_EncodeNoticeReference(PLArenaPool *arena,
                            CERTNoticeReference *reference,
                            SECItem *dest)
 {
     SECStatus rv = SECSuccess;
     PORT_Assert(reference != NULL && dest != NULL);
     if (reference == NULL || dest == NULL) {
 	return SECFailure;
     }
     if (SEC_ASN1EncodeItem (arena, dest, reference,
                             CERT_NoticeReferenceTemplate) == NULL) {
 	rv = SECFailure;
     }
     return(rv);
 }
 SECStatus
 CERT_EncodeInhibitAnyExtension(PLArenaPool *arena,
                                CERTCertificateInhibitAny *certInhibitAny,
                                SECItem *dest)
 {
     SECStatus rv = SECSuccess;
     PORT_Assert(certInhibitAny != NULL && dest != NULL);
     if (certInhibitAny == NULL || dest == NULL) {
 	return SECFailure;
     }
     if (SEC_ASN1EncodeItem (arena, dest, certInhibitAny,
                             CERT_InhibitAnyTemplate) == NULL) {
 	rv = SECFailure;
     }
     return(rv);
 }

The Tor Browser / annotate

security/nss/lib/certdb/polcyxtn.c@b8a032363ba2 (annotated)

security/nss/lib/certdb/polcyxtn.c