cmpcert.c
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上传日期:2007-01-12
资源大小:3042k
文件大小:4k
- /*
- * NSS utility functions
- *
- * 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.
- *
- * $Id: cmpcert.c,v 1.1 2000/03/31 19:31:24 relyea%netscape.com Exp $
- */
- #include <stdio.h>
- #include <string.h>
- #include "prerror.h"
- #include "secitem.h"
- #include "prnetdb.h"
- #include "cert.h"
- #include "nspr.h"
- #include "secder.h"
- #include "key.h"
- #include "nss.h"
- /*
- * Look to see if any of the signers in the cert chain for "cert" are found
- * in the list of caNames.
- * Returns SECSuccess if so, SECFailure if not.
- */
- SECStatus
- NSS_CmpCertChainWCANames(CERTCertificate *cert, CERTDistNames *caNames)
- {
- SECItem * caname;
- CERTCertificate * curcert;
- CERTCertificate * oldcert;
- PRInt32 contentlen;
- int j;
- int headerlen;
- int depth;
- SECStatus rv;
- SECItem issuerName;
- SECItem compatIssuerName;
-
- depth=0;
- curcert = CERT_DupCertificate(cert);
-
- while( curcert ) {
- issuerName = curcert->derIssuer;
-
- /* compute an alternate issuer name for compatibility with 2.0
- * enterprise server, which send the CA names without
- * the outer layer of DER hearder
- */
- rv = DER_Lengths(&issuerName, &headerlen, (uint32 *)&contentlen);
- if ( rv == SECSuccess ) {
- compatIssuerName.data = &issuerName.data[headerlen];
- compatIssuerName.len = issuerName.len - headerlen;
- } else {
- compatIssuerName.data = NULL;
- compatIssuerName.len = 0;
- }
-
- for (j = 0; j < caNames->nnames; j++) {
- caname = &caNames->names[j];
- if (SECITEM_CompareItem(&issuerName, caname) == SECEqual) {
- rv = SECSuccess;
- CERT_DestroyCertificate(curcert);
- goto done;
- } else if (SECITEM_CompareItem(&compatIssuerName, caname) == SECEqual) {
- rv = SECSuccess;
- CERT_DestroyCertificate(curcert);
- goto done;
- }
- }
- if ( ( depth <= 20 ) &&
- ( SECITEM_CompareItem(&curcert->derIssuer, &curcert->derSubject)
- != SECEqual ) ) {
- oldcert = curcert;
- curcert = CERT_FindCertByName(curcert->dbhandle,
- &curcert->derIssuer);
- CERT_DestroyCertificate(oldcert);
- depth++;
- } else {
- CERT_DestroyCertificate(curcert);
- curcert = NULL;
- }
- }
- rv = SECFailure;
-
- done:
- return rv;
- }