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/*
* 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 ***** */
/* $Id$ */
#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"
#include "ssl.h"
#include "pk11func.h" /* for PK11_ function calls */
/*
* This callback used by SSL to pull client sertificate upon
* server request
*/
SECStatus
NSS_GetClientAuthData(void * arg,
PRFileDesc * socket,
struct CERTDistNamesStr * caNames,
struct CERTCertificateStr ** pRetCert,
struct SECKEYPrivateKeyStr **pRetKey)
{
CERTCertificate * cert = NULL;
SECKEYPrivateKey * privkey = NULL;
char * chosenNickName = (char *)arg; /* CONST */
void * proto_win = NULL;
SECStatus rv = SECFailure;
proto_win = SSL_RevealPinArg(socket);
if (chosenNickName) {
cert = CERT_FindUserCertByUsage(CERT_GetDefaultCertDB(),
chosenNickName, certUsageSSLClient,
PR_FALSE, proto_win);
if ( cert ) {
privkey = PK11_FindKeyByAnyCert(cert, proto_win);
if ( privkey ) {
rv = SECSuccess;
} else {
CERT_DestroyCertificate(cert);
}
}
} else { /* no name given, automatically find the right cert. */
CERTCertNicknames * names;
int i;
names = CERT_GetCertNicknames(CERT_GetDefaultCertDB(),
SEC_CERT_NICKNAMES_USER, proto_win);
if (names != NULL) {
for (i = 0; i < names->numnicknames; i++) {
cert = CERT_FindUserCertByUsage(CERT_GetDefaultCertDB(),
names->nicknames[i], certUsageSSLClient,
PR_FALSE, proto_win);
if ( !cert )
continue;
/* Only check unexpired certs */
if (CERT_CheckCertValidTimes(cert, PR_Now(), PR_TRUE) !=
secCertTimeValid ) {
CERT_DestroyCertificate(cert);
continue;
}
rv = NSS_CmpCertChainWCANames(cert, caNames);
if ( rv == SECSuccess ) {
privkey = PK11_FindKeyByAnyCert(cert, proto_win);
if ( privkey )
break;
}
rv = SECFailure;
CERT_DestroyCertificate(cert);
}
CERT_FreeNicknames(names);
}
}
if (rv == SECSuccess) {
*pRetCert = cert;
*pRetKey = privkey;
}
return rv;
}
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