mirror of
https://github.com/rn10950/RetroZilla.git
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274 lines
6.9 KiB
C
274 lines
6.9 KiB
C
/* ***** 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: sslauth.c,v 1.16 2006/04/20 00:20:45 alexei.volkov.bugs%sun.com Exp $ */
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#include "cert.h"
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#include "secitem.h"
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#include "ssl.h"
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#include "sslimpl.h"
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#include "sslproto.h"
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#include "pk11func.h"
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/* NEED LOCKS IN HERE. */
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CERTCertificate *
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SSL_PeerCertificate(PRFileDesc *fd)
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{
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sslSocket *ss;
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ss = ssl_FindSocket(fd);
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if (!ss) {
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SSL_DBG(("%d: SSL[%d]: bad socket in PeerCertificate",
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SSL_GETPID(), fd));
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return 0;
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}
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if (ss->opt.useSecurity && ss->sec.peerCert) {
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return CERT_DupCertificate(ss->sec.peerCert);
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}
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return 0;
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}
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/* NEED LOCKS IN HERE. */
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CERTCertificate *
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SSL_LocalCertificate(PRFileDesc *fd)
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{
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sslSocket *ss;
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ss = ssl_FindSocket(fd);
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if (!ss) {
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SSL_DBG(("%d: SSL[%d]: bad socket in PeerCertificate",
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SSL_GETPID(), fd));
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return NULL;
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}
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if (ss->opt.useSecurity) {
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if (ss->sec.localCert) {
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return CERT_DupCertificate(ss->sec.localCert);
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}
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if (ss->sec.ci.sid && ss->sec.ci.sid->localCert) {
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return CERT_DupCertificate(ss->sec.ci.sid->localCert);
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}
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}
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return NULL;
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}
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/* NEED LOCKS IN HERE. */
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SECStatus
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SSL_SecurityStatus(PRFileDesc *fd, int *op, char **cp, int *kp0, int *kp1,
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char **ip, char **sp)
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{
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sslSocket *ss;
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const char *cipherName;
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PRBool isDes = PR_FALSE;
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ss = ssl_FindSocket(fd);
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if (!ss) {
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SSL_DBG(("%d: SSL[%d]: bad socket in SecurityStatus",
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SSL_GETPID(), fd));
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return SECFailure;
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}
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if (cp) *cp = 0;
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if (kp0) *kp0 = 0;
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if (kp1) *kp1 = 0;
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if (ip) *ip = 0;
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if (sp) *sp = 0;
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if (op) {
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*op = SSL_SECURITY_STATUS_OFF;
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}
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if (ss->opt.useSecurity && ss->firstHsDone) {
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if (ss->version < SSL_LIBRARY_VERSION_3_0) {
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cipherName = ssl_cipherName[ss->sec.cipherType];
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} else {
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cipherName = ssl3_cipherName[ss->sec.cipherType];
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}
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PORT_Assert(cipherName);
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if (cipherName) {
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if (PORT_Strstr(cipherName, "DES")) isDes = PR_TRUE;
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if (cp) {
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*cp = PORT_Strdup(cipherName);
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}
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}
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if (kp0) {
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*kp0 = ss->sec.keyBits;
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if (isDes) *kp0 = (*kp0 * 7) / 8;
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}
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if (kp1) {
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*kp1 = ss->sec.secretKeyBits;
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if (isDes) *kp1 = (*kp1 * 7) / 8;
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}
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if (op) {
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if (ss->sec.keyBits == 0) {
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*op = SSL_SECURITY_STATUS_OFF;
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} else if (ss->sec.secretKeyBits < 90) {
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*op = SSL_SECURITY_STATUS_ON_LOW;
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} else {
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*op = SSL_SECURITY_STATUS_ON_HIGH;
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}
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}
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if (ip || sp) {
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CERTCertificate *cert;
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cert = ss->sec.peerCert;
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if (cert) {
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if (ip) {
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*ip = CERT_NameToAscii(&cert->issuer);
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}
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if (sp) {
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*sp = CERT_NameToAscii(&cert->subject);
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}
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} else {
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if (ip) {
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*ip = PORT_Strdup("no certificate");
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}
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if (sp) {
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*sp = PORT_Strdup("no certificate");
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}
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}
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}
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}
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return SECSuccess;
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}
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/************************************************************************/
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/* NEED LOCKS IN HERE. */
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SECStatus
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SSL_AuthCertificateHook(PRFileDesc *s, SSLAuthCertificate func, void *arg)
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{
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sslSocket *ss;
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ss = ssl_FindSocket(s);
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if (!ss) {
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SSL_DBG(("%d: SSL[%d]: bad socket in AuthCertificateHook",
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SSL_GETPID(), s));
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return SECFailure;
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}
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ss->authCertificate = func;
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ss->authCertificateArg = arg;
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return SECSuccess;
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}
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/* NEED LOCKS IN HERE. */
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SECStatus
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SSL_GetClientAuthDataHook(PRFileDesc *s, SSLGetClientAuthData func,
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void *arg)
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{
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sslSocket *ss;
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ss = ssl_FindSocket(s);
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if (!ss) {
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SSL_DBG(("%d: SSL[%d]: bad socket in GetClientAuthDataHook",
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SSL_GETPID(), s));
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return SECFailure;
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}
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ss->getClientAuthData = func;
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ss->getClientAuthDataArg = arg;
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return SECSuccess;
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}
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/* NEED LOCKS IN HERE. */
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SECStatus
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SSL_SetPKCS11PinArg(PRFileDesc *s, void *arg)
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{
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sslSocket *ss;
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ss = ssl_FindSocket(s);
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if (!ss) {
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SSL_DBG(("%d: SSL[%d]: bad socket in GetClientAuthDataHook",
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SSL_GETPID(), s));
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return SECFailure;
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}
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ss->pkcs11PinArg = arg;
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return SECSuccess;
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}
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/* This is the "default" authCert callback function. It is called when a
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* certificate message is received from the peer and the local application
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* has not registered an authCert callback function.
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*/
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SECStatus
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SSL_AuthCertificate(void *arg, PRFileDesc *fd, PRBool checkSig, PRBool isServer)
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{
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SECStatus rv;
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CERTCertDBHandle * handle;
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sslSocket * ss;
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SECCertUsage certUsage;
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const char * hostname = NULL;
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ss = ssl_FindSocket(fd);
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PORT_Assert(ss != NULL);
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if (!ss) {
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return SECFailure;
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}
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handle = (CERTCertDBHandle *)arg;
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/* this may seem backwards, but isn't. */
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certUsage = isServer ? certUsageSSLClient : certUsageSSLServer;
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rv = CERT_VerifyCertNow(handle, ss->sec.peerCert, checkSig, certUsage,
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ss->pkcs11PinArg);
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if ( rv != SECSuccess || isServer )
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return rv;
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/* cert is OK. This is the client side of an SSL connection.
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* Now check the name field in the cert against the desired hostname.
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* NB: This is our only defense against Man-In-The-Middle (MITM) attacks!
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*/
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hostname = ss->url;
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if (hostname && hostname[0])
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rv = CERT_VerifyCertName(ss->sec.peerCert, hostname);
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else
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rv = SECFailure;
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if (rv != SECSuccess)
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PORT_SetError(SSL_ERROR_BAD_CERT_DOMAIN);
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return rv;
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}
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