2015-10-21 05:03:22 +02:00
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/*
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* NSS utility functions
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*
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2018-05-04 16:08:28 +02:00
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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2015-10-21 05:03:22 +02:00
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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 header
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*/
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rv = DER_Lengths(&issuerName, &headerlen, (PRUint32 *)&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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