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/*
* NSS utility functions
*
* 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/. */
#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;
if (!cert || !caNames || !caNames->nnames || !caNames->names ||
!caNames->names->data)
return SECFailure;
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 header
*/
rv = DER_Lengths(&issuerName, &headerlen, (PRUint32 *)&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;
}
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