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/* 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,
const 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;
}
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