/* ***** 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
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*
* 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
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* 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
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/* $Id: sslauth.c,v 1.16 2006/04/20 00:20:45 alexei.volkov.bugs%sun.com Exp $ */
#include "cert.h"
#include "secitem.h"
#include "ssl.h"
#include "sslimpl.h"
#include "sslproto.h"
#include "pk11func.h"
/* NEED LOCKS IN HERE. */
CERTCertificate *
SSL_PeerCertificate(PRFileDesc *fd)
{
sslSocket *ss;
ss = ssl_FindSocket(fd);
if (!ss) {
SSL_DBG(("%d: SSL[%d]: bad socket in PeerCertificate",
SSL_GETPID(), fd));
return 0;
}
if (ss->opt.useSecurity && ss->sec.peerCert) {
return CERT_DupCertificate(ss->sec.peerCert);
}
return 0;
}
/* NEED LOCKS IN HERE. */
CERTCertificate *
SSL_LocalCertificate(PRFileDesc *fd)
{
sslSocket *ss;
ss = ssl_FindSocket(fd);
if (!ss) {
SSL_DBG(("%d: SSL[%d]: bad socket in PeerCertificate",
SSL_GETPID(), fd));
return NULL;
}
if (ss->opt.useSecurity) {
if (ss->sec.localCert) {
return CERT_DupCertificate(ss->sec.localCert);
}
if (ss->sec.ci.sid && ss->sec.ci.sid->localCert) {
return CERT_DupCertificate(ss->sec.ci.sid->localCert);
}
}
return NULL;
}
/* NEED LOCKS IN HERE. */
SECStatus
SSL_SecurityStatus(PRFileDesc *fd, int *op, char **cp, int *kp0, int *kp1,
char **ip, char **sp)
{
sslSocket *ss;
const char *cipherName;
PRBool isDes = PR_FALSE;
ss = ssl_FindSocket(fd);
if (!ss) {
SSL_DBG(("%d: SSL[%d]: bad socket in SecurityStatus",
SSL_GETPID(), fd));
return SECFailure;
}
if (cp) *cp = 0;
if (kp0) *kp0 = 0;
if (kp1) *kp1 = 0;
if (ip) *ip = 0;
if (sp) *sp = 0;
if (op) {
*op = SSL_SECURITY_STATUS_OFF;
}
if (ss->opt.useSecurity && ss->firstHsDone) {
if (ss->version < SSL_LIBRARY_VERSION_3_0) {
cipherName = ssl_cipherName[ss->sec.cipherType];
} else {
cipherName = ssl3_cipherName[ss->sec.cipherType];
}
PORT_Assert(cipherName);
if (cipherName) {
if (PORT_Strstr(cipherName, "DES")) isDes = PR_TRUE;
if (cp) {
*cp = PORT_Strdup(cipherName);
}
}
if (kp0) {
*kp0 = ss->sec.keyBits;
if (isDes) *kp0 = (*kp0 * 7) / 8;
}
if (kp1) {
*kp1 = ss->sec.secretKeyBits;
if (isDes) *kp1 = (*kp1 * 7) / 8;
}
if (op) {
if (ss->sec.keyBits == 0) {
*op = SSL_SECURITY_STATUS_OFF;
} else if (ss->sec.secretKeyBits < 90) {
*op = SSL_SECURITY_STATUS_ON_LOW;
} else {
*op = SSL_SECURITY_STATUS_ON_HIGH;
}
}
if (ip || sp) {
CERTCertificate *cert;
cert = ss->sec.peerCert;
if (cert) {
if (ip) {
*ip = CERT_NameToAscii(&cert->issuer);
}
if (sp) {
*sp = CERT_NameToAscii(&cert->subject);
}
} else {
if (ip) {
*ip = PORT_Strdup("no certificate");
}
if (sp) {
*sp = PORT_Strdup("no certificate");
}
}
}
}
return SECSuccess;
}
/************************************************************************/
/* NEED LOCKS IN HERE. */
SECStatus
SSL_AuthCertificateHook(PRFileDesc *s, SSLAuthCertificate func, void *arg)
{
sslSocket *ss;
ss = ssl_FindSocket(s);
if (!ss) {
SSL_DBG(("%d: SSL[%d]: bad socket in AuthCertificateHook",
SSL_GETPID(), s));
return SECFailure;
}
ss->authCertificate = func;
ss->authCertificateArg = arg;
return SECSuccess;
}
/* NEED LOCKS IN HERE. */
SECStatus
SSL_GetClientAuthDataHook(PRFileDesc *s, SSLGetClientAuthData func,
void *arg)
{
sslSocket *ss;
ss = ssl_FindSocket(s);
if (!ss) {
SSL_DBG(("%d: SSL[%d]: bad socket in GetClientAuthDataHook",
SSL_GETPID(), s));
return SECFailure;
}
ss->getClientAuthData = func;
ss->getClientAuthDataArg = arg;
return SECSuccess;
}
/* NEED LOCKS IN HERE. */
SECStatus
SSL_SetPKCS11PinArg(PRFileDesc *s, void *arg)
{
sslSocket *ss;
ss = ssl_FindSocket(s);
if (!ss) {
SSL_DBG(("%d: SSL[%d]: bad socket in GetClientAuthDataHook",
SSL_GETPID(), s));
return SECFailure;
}
ss->pkcs11PinArg = arg;
return SECSuccess;
}
/* This is the "default" authCert callback function. It is called when a
* certificate message is received from the peer and the local application
* has not registered an authCert callback function.
*/
SECStatus
SSL_AuthCertificate(void *arg, PRFileDesc *fd, PRBool checkSig, PRBool isServer)
{
SECStatus rv;
CERTCertDBHandle * handle;
sslSocket * ss;
SECCertUsage certUsage;
const char * hostname = NULL;
ss = ssl_FindSocket(fd);
PORT_Assert(ss != NULL);
if (!ss) {
return SECFailure;
}
handle = (CERTCertDBHandle *)arg;
/* this may seem backwards, but isn't. */
certUsage = isServer ? certUsageSSLClient : certUsageSSLServer;
rv = CERT_VerifyCertNow(handle, ss->sec.peerCert, checkSig, certUsage,
ss->pkcs11PinArg);
if ( rv != SECSuccess || isServer )
return rv;
/* cert is OK. This is the client side of an SSL connection.
* Now check the name field in the cert against the desired hostname.
* NB: This is our only defense against Man-In-The-Middle (MITM) attacks!
*/
hostname = ss->url;
if (hostname && hostname[0])
rv = CERT_VerifyCertName(ss->sec.peerCert, hostname);
else
rv = SECFailure;
if (rv != SECSuccess)
PORT_SetError(SSL_ERROR_BAD_CERT_DOMAIN);
return rv;
}