xauthkid.c
上传用户:lyxiangda
上传日期:2007-01-12
资源大小:3042k
文件大小:4k
- /*
- * The contents of this file are subject to the Mozilla Public
- * License Version 1.1 (the "License"); you may not use this file
- * except in compliance with the License. You may obtain a copy of
- * the License at http://www.mozilla.org/MPL/
- *
- * Software distributed under the License is distributed on an "AS
- * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
- * implied. See the License for the specific language governing
- * rights and limitations under the License.
- *
- * The Original Code is the Netscape security libraries.
- *
- * The Initial Developer of the Original Code is Netscape
- * Communications Corporation. Portions created by Netscape are
- * Copyright (C) 1994-2000 Netscape Communications Corporation. All
- * Rights Reserved.
- *
- * Contributor(s):
- *
- * Alternatively, the contents of this file may be used under the
- * terms of the GNU General Public License Version 2 or later (the
- * "GPL"), in which case the provisions of the GPL are applicable
- * instead of those above. If you wish to allow use of your
- * version of this file only under the terms of the GPL and not to
- * allow others to use your version of this file under the MPL,
- * indicate your decision by deleting the provisions above and
- * replace them with the notice and other provisions required by
- * the GPL. If you do not delete the provisions above, a recipient
- * may use your version of this file under either the MPL or the
- * GPL.
- */
- /*
- * X.509 v3 Subject Key Usage Extension
- *
- */
- #include "prtypes.h"
- #include "mcom_db.h"
- #include "seccomon.h"
- #include "secdert.h"
- #include "secoidt.h"
- #include "secasn1t.h"
- #include "secasn1.h"
- #include "secport.h"
- #include "certt.h"
- #include "genname.h"
- #include "secerr.h"
-
- const SEC_ASN1Template CERTAuthKeyIDTemplate[] = {
- { SEC_ASN1_SEQUENCE, 0, NULL, sizeof(CERTAuthKeyID) },
- { SEC_ASN1_OPTIONAL | SEC_ASN1_CONTEXT_SPECIFIC | 0,
- offsetof(CERTAuthKeyID,keyID), SEC_OctetStringTemplate},
- { SEC_ASN1_OPTIONAL | SEC_ASN1_CONSTRUCTED | SEC_ASN1_CONTEXT_SPECIFIC | 1,
- offsetof(CERTAuthKeyID, DERAuthCertIssuer), CERT_GeneralNamesTemplate},
- { SEC_ASN1_OPTIONAL | SEC_ASN1_CONTEXT_SPECIFIC | 2,
- offsetof(CERTAuthKeyID,authCertSerialNumber), SEC_IntegerTemplate},
- { 0 }
- };
- SECStatus CERT_EncodeAuthKeyID (PRArenaPool *arena, CERTAuthKeyID *value, SECItem *encodedValue)
- {
- SECStatus rv = SECFailure;
-
- PORT_Assert (value);
- PORT_Assert (arena);
- PORT_Assert (value->DERAuthCertIssuer == NULL);
- PORT_Assert (encodedValue);
- do {
-
- /* If both of the authCertIssuer and the serial number exist, encode
- the name first. Otherwise, it is an error if one exist and the other
- is not.
- */
- if (value->authCertIssuer) {
- if (!value->authCertSerialNumber.data) {
- PORT_SetError (SEC_ERROR_EXTENSION_VALUE_INVALID);
- break;
- }
- value->DERAuthCertIssuer = cert_EncodeGeneralNames
- (arena, value->authCertIssuer);
- if (!value->DERAuthCertIssuer) {
- PORT_SetError (SEC_ERROR_EXTENSION_VALUE_INVALID);
- break;
- }
- }
- else if (value->authCertSerialNumber.data) {
- PORT_SetError (SEC_ERROR_EXTENSION_VALUE_INVALID);
- break;
- }
- if (SEC_ASN1EncodeItem (arena, encodedValue, value,
- CERTAuthKeyIDTemplate) == NULL)
- break;
- rv = SECSuccess;
- } while (0);
- return(rv);
- }
- CERTAuthKeyID *
- CERT_DecodeAuthKeyID (PRArenaPool *arena, SECItem *encodedValue)
- {
- CERTAuthKeyID * value = NULL;
- SECStatus rv = SECFailure;
- void * mark;
- PORT_Assert (arena);
-
- do {
- mark = PORT_ArenaMark (arena);
- value = (CERTAuthKeyID*)PORT_ArenaZAlloc (arena, sizeof (*value));
- value->DERAuthCertIssuer = NULL;
- if (value == NULL)
- break;
- rv = SEC_ASN1DecodeItem
- (arena, value, CERTAuthKeyIDTemplate, encodedValue);
- if (rv != SECSuccess)
- break;
- value->authCertIssuer = cert_DecodeGeneralNames (arena, value->DERAuthCertIssuer);
- if (value->authCertIssuer == NULL)
- break;
-
- /* what if the general name contains other format but not URI ?
- hl
- */
- if ((value->authCertSerialNumber.data && !value->authCertIssuer) ||
- (!value->authCertSerialNumber.data && value->authCertIssuer)){
- PORT_SetError (SEC_ERROR_EXTENSION_VALUE_INVALID);
- break;
- }
- } while (0);
- if (rv != SECSuccess) {
- PORT_ArenaRelease (arena, mark);
- return ((CERTAuthKeyID *)NULL);
- }
- PORT_ArenaUnmark(arena, mark);
- return (value);
- }