gecko-dev/security/nss/lib/ssl/cmpcert.c

118 строки
3.6 KiB
C

/*
* 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;
}