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124 lines
3.9 KiB
C
124 lines
3.9 KiB
C
/*
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* NSS utility functions
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*
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* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is the Netscape security libraries.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1994-2000
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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/* $Id: cmpcert.c,v 1.4 2004/04/27 23:04:39 gerv%gerv.net Exp $ */
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#include <stdio.h>
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#include <string.h>
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#include "prerror.h"
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#include "secitem.h"
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#include "prnetdb.h"
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#include "cert.h"
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#include "nspr.h"
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#include "secder.h"
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#include "key.h"
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#include "nss.h"
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/*
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* Look to see if any of the signers in the cert chain for "cert" are found
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* in the list of caNames.
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* Returns SECSuccess if so, SECFailure if not.
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*/
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SECStatus
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NSS_CmpCertChainWCANames(CERTCertificate *cert, CERTDistNames *caNames)
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{
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SECItem * caname;
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CERTCertificate * curcert;
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CERTCertificate * oldcert;
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PRInt32 contentlen;
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int j;
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int headerlen;
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int depth;
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SECStatus rv;
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SECItem issuerName;
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SECItem compatIssuerName;
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if (!cert || !caNames || !caNames->nnames || !caNames->names ||
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!caNames->names->data)
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return SECFailure;
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depth=0;
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curcert = CERT_DupCertificate(cert);
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while( curcert ) {
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issuerName = curcert->derIssuer;
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/* compute an alternate issuer name for compatibility with 2.0
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* enterprise server, which send the CA names without
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* the outer layer of DER hearder
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*/
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rv = DER_Lengths(&issuerName, &headerlen, (uint32 *)&contentlen);
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if ( rv == SECSuccess ) {
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compatIssuerName.data = &issuerName.data[headerlen];
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compatIssuerName.len = issuerName.len - headerlen;
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} else {
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compatIssuerName.data = NULL;
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compatIssuerName.len = 0;
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}
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for (j = 0; j < caNames->nnames; j++) {
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caname = &caNames->names[j];
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if (SECITEM_CompareItem(&issuerName, caname) == SECEqual) {
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rv = SECSuccess;
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CERT_DestroyCertificate(curcert);
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goto done;
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} else if (SECITEM_CompareItem(&compatIssuerName, caname) == SECEqual) {
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rv = SECSuccess;
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CERT_DestroyCertificate(curcert);
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goto done;
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}
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}
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if ( ( depth <= 20 ) &&
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( SECITEM_CompareItem(&curcert->derIssuer, &curcert->derSubject)
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!= SECEqual ) ) {
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oldcert = curcert;
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curcert = CERT_FindCertByName(curcert->dbhandle,
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&curcert->derIssuer);
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CERT_DestroyCertificate(oldcert);
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depth++;
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} else {
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CERT_DestroyCertificate(curcert);
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curcert = NULL;
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}
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}
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rv = SECFailure;
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done:
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return rv;
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}
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