/* * NSS utility functions * * ***** BEGIN LICENSE BLOCK ***** * Version: MPL 1.1/GPL 2.0/LGPL 2.1 * * 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 the Initial Developer are Copyright (C) 1994-2000 * the Initial Developer. All Rights Reserved. * * Contributor(s): * * Alternatively, the contents of this file may be used under the terms of * either the GNU General Public License Version 2 or later (the "GPL"), or * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), * in which case the provisions of the GPL or the LGPL are applicable instead * of those above. If you wish to allow use of your version of this file only * under the terms of either the GPL or the LGPL, and not to allow others to * use your version of this file under the terms of the MPL, indicate your * decision by deleting the provisions above and replace them with the notice * and other provisions required by the GPL or the LGPL. If you do not delete * the provisions above, a recipient may use your version of this file under * the terms of any one of the MPL, the GPL or the LGPL. * * ***** END LICENSE BLOCK ***** */ /* $Id: cmpcert.c,v 1.6 2008/02/01 22:09:09 julien.pierre.boogz%sun.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; 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; }