--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/nss/lib/certdb/xconst.c	Mon Jul 28 10:47:06 2014 +0200
@@ -0,0 +1,286 @@
+/* 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/. */
+
+/*
+ * X.509 Extension Encoding  
+ */
+
+#include "prtypes.h"
+#include "seccomon.h"
+#include "secdert.h"
+#include "secoidt.h"
+#include "secasn1t.h"
+#include "secasn1.h"
+#include "cert.h"
+#include "secder.h"
+#include "prprf.h"
+#include "xconst.h"
+#include "genname.h"
+#include "secasn1.h"
+#include "secerr.h"
+
+
+static const SEC_ASN1Template CERTSubjectKeyIDTemplate[] = {
+    { SEC_ASN1_OCTET_STRING }
+};
+
+
+static const SEC_ASN1Template CERTIA5TypeTemplate[] = {
+    { SEC_ASN1_IA5_STRING }
+};
+
+SEC_ASN1_MKSUB(SEC_GeneralizedTimeTemplate)
+
+static const SEC_ASN1Template CERTPrivateKeyUsagePeriodTemplate[] = {
+    { SEC_ASN1_SEQUENCE,
+      0, NULL, sizeof(CERTPrivKeyUsagePeriod) },
+    { SEC_ASN1_OPTIONAL | SEC_ASN1_CONTEXT_SPECIFIC  | SEC_ASN1_XTRN | 0,
+	  offsetof(CERTPrivKeyUsagePeriod, notBefore), 
+	  SEC_ASN1_SUB(SEC_GeneralizedTimeTemplate) },
+    { SEC_ASN1_OPTIONAL | SEC_ASN1_CONTEXT_SPECIFIC  | SEC_ASN1_XTRN | 1,
+	  offsetof(CERTPrivKeyUsagePeriod, notAfter), 
+	  SEC_ASN1_SUB(SEC_GeneralizedTimeTemplate)},
+    { 0, } 
+};
+
+
+const SEC_ASN1Template CERTAltNameTemplate[] = {
+    { SEC_ASN1_CONSTRUCTED, offsetof(CERTAltNameEncodedContext, encodedGenName), 
+      CERT_GeneralNamesTemplate}
+};
+
+const SEC_ASN1Template CERTAuthInfoAccessItemTemplate[] = {
+    { SEC_ASN1_SEQUENCE,
+      0, NULL, sizeof(CERTAuthInfoAccess) },
+    { SEC_ASN1_OBJECT_ID,
+      offsetof(CERTAuthInfoAccess, method) },
+    { SEC_ASN1_ANY,
+      offsetof(CERTAuthInfoAccess, derLocation) },
+    { 0, }
+};
+
+const SEC_ASN1Template CERTAuthInfoAccessTemplate[] = {
+    { SEC_ASN1_SEQUENCE_OF, 0, CERTAuthInfoAccessItemTemplate }
+};
+
+
+SECStatus 
+CERT_EncodeSubjectKeyID(PLArenaPool *arena, const SECItem* srcString,
+                        SECItem *encodedValue)
+{
+    SECStatus rv = SECSuccess;
+
+    if (!srcString) {
+        PORT_SetError(SEC_ERROR_INVALID_ARGS);
+        return SECFailure;
+    }
+    if (SEC_ASN1EncodeItem (arena, encodedValue, srcString,
+			    CERTSubjectKeyIDTemplate) == NULL) {
+	rv = SECFailure;
+    }
+    
+    return(rv);
+}
+
+
+SECStatus
+CERT_EncodePrivateKeyUsagePeriod(PLArenaPool *arena,
+                                CERTPrivKeyUsagePeriod *pkup, 
+				SECItem *encodedValue)
+{
+    SECStatus rv = SECSuccess;
+
+    if (SEC_ASN1EncodeItem (arena, encodedValue, pkup,
+			    CERTPrivateKeyUsagePeriodTemplate) == NULL) {
+	rv = SECFailure;
+    }
+    return(rv);
+}
+
+CERTPrivKeyUsagePeriod *
+CERT_DecodePrivKeyUsagePeriodExtension(PLArenaPool *arena, SECItem *extnValue)
+{
+    SECStatus rv;
+    CERTPrivKeyUsagePeriod *pPeriod;
+    SECItem newExtnValue;
+
+    /* allocate the certificate policies structure */
+    pPeriod = PORT_ArenaZNew(arena, CERTPrivKeyUsagePeriod);
+    if ( pPeriod == NULL ) {
+	goto loser;
+    }
+    
+    pPeriod->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;
+    }
+
+    rv = SEC_QuickDERDecodeItem(arena, pPeriod, 
+                                CERTPrivateKeyUsagePeriodTemplate,
+			        &newExtnValue);
+    if ( rv != SECSuccess ) {
+	goto loser;
+    }
+    return pPeriod;
+    
+loser:
+    return NULL;
+}
+
+
+SECStatus 
+CERT_EncodeIA5TypeExtension(PLArenaPool *arena, char *value, SECItem *encodedValue)
+{
+    SECItem encodeContext;
+    SECStatus rv = SECSuccess;
+
+
+    PORT_Memset (&encodeContext, 0, sizeof (encodeContext));
+    
+    if (value != NULL) {
+	encodeContext.data = (unsigned char *)value;
+	encodeContext.len = strlen(value);
+    }
+    if (SEC_ASN1EncodeItem (arena, encodedValue, &encodeContext,
+			    CERTIA5TypeTemplate) == NULL) {
+	rv = SECFailure;
+    }
+    
+    return(rv);
+}
+
+SECStatus
+CERT_EncodeAltNameExtension(PLArenaPool *arena,  CERTGeneralName  *value, SECItem *encodedValue)
+{
+    SECItem                **encodedGenName;
+    SECStatus              rv = SECSuccess;
+
+    encodedGenName = cert_EncodeGeneralNames(arena, value);
+    if (SEC_ASN1EncodeItem (arena, encodedValue, &encodedGenName,
+			    CERT_GeneralNamesTemplate) == NULL) {
+	rv = SECFailure;
+    }
+
+    return rv;
+}
+
+CERTGeneralName *
+CERT_DecodeAltNameExtension(PLArenaPool *reqArena, SECItem *EncodedAltName)
+{
+    SECStatus                  rv = SECSuccess;
+    CERTAltNameEncodedContext  encodedContext;
+    SECItem*                   newEncodedAltName;
+
+    if (!reqArena) {
+        PORT_SetError(SEC_ERROR_INVALID_ARGS);
+        return NULL;
+    }
+
+    newEncodedAltName = SECITEM_ArenaDupItem(reqArena, EncodedAltName);
+    if (!newEncodedAltName) {
+        return NULL;
+    }
+
+    encodedContext.encodedGenName = NULL;
+    PORT_Memset(&encodedContext, 0, sizeof(CERTAltNameEncodedContext));
+    rv = SEC_QuickDERDecodeItem (reqArena, &encodedContext,
+                                 CERT_GeneralNamesTemplate, newEncodedAltName);
+    if (rv == SECFailure) {
+	goto loser;
+    }
+    if (encodedContext.encodedGenName && encodedContext.encodedGenName[0])
+	return cert_DecodeGeneralNames(reqArena,
+                                       encodedContext.encodedGenName);
+    /* Extension contained an empty GeneralNames sequence */
+    /* Treat as extension not found */
+    PORT_SetError(SEC_ERROR_EXTENSION_NOT_FOUND);
+loser:
+    return NULL;
+}
+
+
+SECStatus
+CERT_EncodeNameConstraintsExtension(PLArenaPool          *arena, 
+				    CERTNameConstraints  *value,
+				    SECItem              *encodedValue)
+{
+    SECStatus     rv = SECSuccess;
+    
+    rv = cert_EncodeNameConstraints(value, arena, encodedValue);
+    return rv;
+}
+
+
+CERTNameConstraints *
+CERT_DecodeNameConstraintsExtension(PLArenaPool          *arena,
+				    const SECItem        *encodedConstraints)
+{
+    return cert_DecodeNameConstraints(arena, encodedConstraints);
+}
+
+
+CERTAuthInfoAccess **
+CERT_DecodeAuthInfoAccessExtension(PLArenaPool *reqArena,
+				   SECItem     *encodedExtension)
+{
+    CERTAuthInfoAccess **info = NULL;
+    SECStatus rv;
+    int i;
+    SECItem* newEncodedExtension;
+
+    if (!reqArena) {
+        PORT_SetError(SEC_ERROR_INVALID_ARGS);
+        return NULL;
+    }
+
+    newEncodedExtension = SECITEM_ArenaDupItem(reqArena, encodedExtension);
+    if (!newEncodedExtension) {
+        return NULL;
+    }
+
+    rv = SEC_QuickDERDecodeItem(reqArena, &info, CERTAuthInfoAccessTemplate, 
+			    newEncodedExtension);
+    if (rv != SECSuccess || info == NULL) {
+	return NULL;
+    }
+
+    for (i = 0; info[i] != NULL; i++) {
+	info[i]->location = CERT_DecodeGeneralName(reqArena,
+						   &(info[i]->derLocation),
+						   NULL);
+    }
+    return info;
+}
+
+SECStatus
+CERT_EncodeInfoAccessExtension(PLArenaPool *arena,
+				   CERTAuthInfoAccess **info,
+				   SECItem *dest)
+{
+    SECItem *dummy;
+    int i;
+
+    PORT_Assert(info != NULL);
+    PORT_Assert(dest != NULL);
+    if (info == NULL || dest == NULL) {
+	return SECFailure;
+    }
+
+    for (i = 0; info[i] != NULL; i++) {
+	if (CERT_EncodeGeneralName(info[i]->location, &(info[i]->derLocation),
+				   arena) == NULL)
+	    /* Note that this may leave some of the locations filled in. */
+	    return SECFailure;
+    }
+    dummy = SEC_ASN1EncodeItem(arena, dest, &info,
+			       CERTAuthInfoAccessTemplate);
+    if (dummy == NULL) {
+	return SECFailure;
+    }
+    return SECSuccess;
+}