![Anders Broman](/assets/img/avatar_default.png)
print decrypted SSL application data as hexdump in ssl debug file. https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=7975 svn path=/trunk/; revision=46040
4037 lines
134 KiB
C
4037 lines
134 KiB
C
/* packet-ssl-utils.c
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* ssl manipulation functions
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* By Paolo Abeni <paolo.abeni@email.com>
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*
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* $Id$
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*
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* Wireshark - Network traffic analyzer
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* By Gerald Combs <gerald@wireshark.org>
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* Copyright 1998 Gerald Combs
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "config.h"
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#ifdef HAVE_LIBZ
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#include <zlib.h>
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#endif
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#include <ctype.h>
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#include "packet-ssl-utils.h"
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#include "packet-ssl.h"
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#include <epan/emem.h>
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#include <epan/strutil.h>
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#include <epan/addr_resolv.h>
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#include <epan/ipv6-utils.h>
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#include <wsutil/file_util.h>
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/*
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* Lookup tables
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*/
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const value_string ssl_version_short_names[] = {
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{ SSL_VER_UNKNOWN, "SSL" },
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{ SSL_VER_SSLv2, "SSLv2" },
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{ SSL_VER_SSLv3, "SSLv3" },
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{ SSL_VER_TLS, "TLSv1" },
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{ SSL_VER_TLSv1DOT1, "TLSv1.1" },
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{ SSL_VER_DTLS, "DTLSv1.0" },
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{ SSL_VER_DTLS1DOT2, "DTLSv1.2" },
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{ SSL_VER_PCT, "PCT" },
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{ SSL_VER_TLSv1DOT2, "TLSv1.2" },
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{ 0x00, NULL }
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};
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const value_string ssl_20_msg_types[] = {
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{ SSL2_HND_ERROR, "Error" },
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{ SSL2_HND_CLIENT_HELLO, "Client Hello" },
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{ SSL2_HND_CLIENT_MASTER_KEY, "Client Master Key" },
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{ SSL2_HND_CLIENT_FINISHED, "Client Finished" },
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{ SSL2_HND_SERVER_HELLO, "Server Hello" },
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{ SSL2_HND_SERVER_VERIFY, "Server Verify" },
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{ SSL2_HND_SERVER_FINISHED, "Server Finished" },
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{ SSL2_HND_REQUEST_CERTIFICATE, "Request Certificate" },
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{ SSL2_HND_CLIENT_CERTIFICATE, "Client Certificate" },
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{ 0x00, NULL }
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};
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/* http://www.iana.org/assignments/tls-parameters/tls-parameters.xhtml */
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/* Note: sorted by ascending value so value_string-ext can do a binary search */
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static const value_string ssl_20_cipher_suites[] = {
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{ 0x000000, "TLS_NULL_WITH_NULL_NULL" },
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{ 0x000001, "TLS_RSA_WITH_NULL_MD5" },
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{ 0x000002, "TLS_RSA_WITH_NULL_SHA" },
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{ 0x000003, "TLS_RSA_EXPORT_WITH_RC4_40_MD5" },
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{ 0x000004, "TLS_RSA_WITH_RC4_128_MD5" },
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{ 0x000005, "TLS_RSA_WITH_RC4_128_SHA" },
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{ 0x000006, "TLS_RSA_EXPORT_WITH_RC2_CBC_40_MD5" },
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{ 0x000007, "TLS_RSA_WITH_IDEA_CBC_SHA" },
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{ 0x000008, "TLS_RSA_EXPORT_WITH_DES40_CBC_SHA" },
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{ 0x000009, "TLS_RSA_WITH_DES_CBC_SHA" },
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{ 0x00000a, "TLS_RSA_WITH_3DES_EDE_CBC_SHA" },
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{ 0x00000b, "TLS_DH_DSS_EXPORT_WITH_DES40_CBC_SHA" },
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{ 0x00000c, "TLS_DH_DSS_WITH_DES_CBC_SHA" },
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{ 0x00000d, "TLS_DH_DSS_WITH_3DES_EDE_CBC_SHA" },
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{ 0x00000e, "TLS_DH_RSA_EXPORT_WITH_DES40_CBC_SHA" },
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{ 0x00000f, "TLS_DH_RSA_WITH_DES_CBC_SHA" },
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{ 0x000010, "TLS_DH_RSA_WITH_3DES_EDE_CBC_SHA" },
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{ 0x000011, "TLS_DHE_DSS_EXPORT_WITH_DES40_CBC_SHA" },
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{ 0x000012, "TLS_DHE_DSS_WITH_DES_CBC_SHA" },
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{ 0x000013, "TLS_DHE_DSS_WITH_3DES_EDE_CBC_SHA" },
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{ 0x000014, "TLS_DHE_RSA_EXPORT_WITH_DES40_CBC_SHA" },
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{ 0x000015, "TLS_DHE_RSA_WITH_DES_CBC_SHA" },
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{ 0x000016, "TLS_DHE_RSA_WITH_3DES_EDE_CBC_SHA" },
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{ 0x000017, "TLS_DH_anon_EXPORT_WITH_RC4_40_MD5" },
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{ 0x000018, "TLS_DH_anon_WITH_RC4_128_MD5" },
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{ 0x000019, "TLS_DH_anon_EXPORT_WITH_DES40_CBC_SHA" },
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{ 0x00001a, "TLS_DH_anon_WITH_DES_CBC_SHA" },
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{ 0x00001b, "TLS_DH_anon_WITH_3DES_EDE_CBC_SHA" },
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{ 0x00001c, "SSL_FORTEZZA_KEA_WITH_NULL_SHA" },
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{ 0x00001d, "SSL_FORTEZZA_KEA_WITH_FORTEZZA_CBC_SHA" },
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#if 0
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{ 0x00001e, "SSL_FORTEZZA_KEA_WITH_RC4_128_SHA" },
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#endif
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/* RFC 2712 */
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{ 0x00001E, "TLS_KRB5_WITH_DES_CBC_SHA" },
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{ 0x00001F, "TLS_KRB5_WITH_3DES_EDE_CBC_SHA" },
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{ 0x000020, "TLS_KRB5_WITH_RC4_128_SHA" },
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{ 0x000021, "TLS_KRB5_WITH_IDEA_CBC_SHA" },
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{ 0x000022, "TLS_KRB5_WITH_DES_CBC_MD5" },
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{ 0x000023, "TLS_KRB5_WITH_3DES_EDE_CBC_MD5" },
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{ 0x000024, "TLS_KRB5_WITH_RC4_128_MD5" },
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{ 0x000025, "TLS_KRB5_WITH_IDEA_CBC_MD5" },
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{ 0x000026, "TLS_KRB5_EXPORT_WITH_DES_CBC_40_SHA" },
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{ 0x000027, "TLS_KRB5_EXPORT_WITH_RC2_CBC_40_SHA" },
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{ 0x000028, "TLS_KRB5_EXPORT_WITH_RC4_40_SHA" },
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{ 0x000029, "TLS_KRB5_EXPORT_WITH_DES_CBC_40_MD5" },
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{ 0x00002A, "TLS_KRB5_EXPORT_WITH_RC2_CBC_40_MD5" },
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{ 0x00002B, "TLS_KRB5_EXPORT_WITH_RC4_40_MD5" },
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/* RFC 4785 */
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{ 0x00002C, "TLS_PSK_WITH_NULL_SHA" },
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{ 0x00002D, "TLS_DHE_PSK_WITH_NULL_SHA" },
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{ 0x00002E, "TLS_RSA_PSK_WITH_NULL_SHA" },
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/* RFC 5246 */
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{ 0x00002f, "TLS_RSA_WITH_AES_128_CBC_SHA" },
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{ 0x000030, "TLS_DH_DSS_WITH_AES_128_CBC_SHA" },
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{ 0x000031, "TLS_DH_RSA_WITH_AES_128_CBC_SHA" },
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{ 0x000032, "TLS_DHE_DSS_WITH_AES_128_CBC_SHA" },
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{ 0x000033, "TLS_DHE_RSA_WITH_AES_128_CBC_SHA" },
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{ 0x000034, "TLS_DH_anon_WITH_AES_128_CBC_SHA" },
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{ 0x000035, "TLS_RSA_WITH_AES_256_CBC_SHA" },
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{ 0x000036, "TLS_DH_DSS_WITH_AES_256_CBC_SHA" },
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{ 0x000037, "TLS_DH_RSA_WITH_AES_256_CBC_SHA" },
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{ 0x000038, "TLS_DHE_DSS_WITH_AES_256_CBC_SHA" },
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{ 0x000039, "TLS_DHE_RSA_WITH_AES_256_CBC_SHA" },
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{ 0x00003A, "TLS_DH_anon_WITH_AES_256_CBC_SHA" },
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{ 0x00003B, "TLS_RSA_WITH_NULL_SHA256" },
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{ 0x00003C, "TLS_RSA_WITH_AES_128_CBC_SHA256" },
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{ 0x00003D, "TLS_RSA_WITH_AES_256_CBC_SHA256" },
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{ 0x00003E, "TLS_DH_DSS_WITH_AES_128_CBC_SHA256" },
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{ 0x00003F, "TLS_DH_RSA_WITH_AES_128_CBC_SHA256" },
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{ 0x000040, "TLS_DHE_DSS_WITH_AES_128_CBC_SHA256" },
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{ 0x000041, "TLS_RSA_WITH_CAMELLIA_128_CBC_SHA" },
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{ 0x000042, "TLS_DH_DSS_WITH_CAMELLIA_128_CBC_SHA" },
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{ 0x000043, "TLS_DH_RSA_WITH_CAMELLIA_128_CBC_SHA" },
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{ 0x000044, "TLS_DHE_DSS_WITH_CAMELLIA_128_CBC_SHA" },
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{ 0x000045, "TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA" },
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{ 0x000046, "TLS_DH_anon_WITH_CAMELLIA_128_CBC_SHA" },
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{ 0x000047, "TLS_ECDH_ECDSA_WITH_NULL_SHA" },
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{ 0x000048, "TLS_ECDH_ECDSA_WITH_RC4_128_SHA" },
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{ 0x000049, "TLS_ECDH_ECDSA_WITH_DES_CBC_SHA" },
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{ 0x00004A, "TLS_ECDH_ECDSA_WITH_3DES_EDE_CBC_SHA" },
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{ 0x00004B, "TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA" },
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{ 0x00004C, "TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA" },
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{ 0x000060, "TLS_RSA_EXPORT1024_WITH_RC4_56_MD5" },
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{ 0x000061, "TLS_RSA_EXPORT1024_WITH_RC2_CBC_56_MD5" },
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{ 0x000062, "TLS_RSA_EXPORT1024_WITH_DES_CBC_SHA" },
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{ 0x000063, "TLS_DHE_DSS_EXPORT1024_WITH_DES_CBC_SHA" },
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{ 0x000064, "TLS_RSA_EXPORT1024_WITH_RC4_56_SHA" },
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{ 0x000065, "TLS_DHE_DSS_EXPORT1024_WITH_RC4_56_SHA" },
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{ 0x000066, "TLS_DHE_DSS_WITH_RC4_128_SHA" },
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{ 0x000067, "TLS_DHE_RSA_WITH_AES_128_CBC_SHA256" },
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{ 0x000068, "TLS_DH_DSS_WITH_AES_256_CBC_SHA256" },
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{ 0x000069, "TLS_DH_RSA_WITH_AES_256_CBC_SHA256" },
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{ 0x00006A, "TLS_DHE_DSS_WITH_AES_256_CBC_SHA256" },
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{ 0x00006B, "TLS_DHE_RSA_WITH_AES_256_CBC_SHA256" },
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{ 0x00006C, "TLS_DH_anon_WITH_AES_128_CBC_SHA256" },
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{ 0x00006D, "TLS_DH_anon_WITH_AES_256_CBC_SHA256" },
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/* 0x00,0x6E-83 Unassigned */
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{ 0x000084, "TLS_RSA_WITH_CAMELLIA_256_CBC_SHA" },
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{ 0x000085, "TLS_DH_DSS_WITH_CAMELLIA_256_CBC_SHA" },
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{ 0x000086, "TLS_DH_RSA_WITH_CAMELLIA_256_CBC_SHA" },
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{ 0x000087, "TLS_DHE_DSS_WITH_CAMELLIA_256_CBC_SHA" },
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{ 0x000088, "TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA" },
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{ 0x000089, "TLS_DH_anon_WITH_CAMELLIA_256_CBC_SHA" },
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/* RFC 4279 */
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{ 0x00008A, "TLS_PSK_WITH_RC4_128_SHA" },
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{ 0x00008B, "TLS_PSK_WITH_3DES_EDE_CBC_SHA" },
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{ 0x00008C, "TLS_PSK_WITH_AES_128_CBC_SHA" },
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{ 0x00008D, "TLS_PSK_WITH_AES_256_CBC_SHA" },
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{ 0x00008E, "TLS_DHE_PSK_WITH_RC4_128_SHA" },
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{ 0x00008F, "TLS_DHE_PSK_WITH_3DES_EDE_CBC_SHA" },
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{ 0x000090, "TLS_DHE_PSK_WITH_AES_128_CBC_SHA" },
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{ 0x000091, "TLS_DHE_PSK_WITH_AES_256_CBC_SHA" },
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{ 0x000092, "TLS_RSA_PSK_WITH_RC4_128_SHA" },
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{ 0x000093, "TLS_RSA_PSK_WITH_3DES_EDE_CBC_SHA" },
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{ 0x000094, "TLS_RSA_PSK_WITH_AES_128_CBC_SHA" },
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{ 0x000095, "TLS_RSA_PSK_WITH_AES_256_CBC_SHA" },
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/* RFC 4162 */
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{ 0x000096, "TLS_RSA_WITH_SEED_CBC_SHA" },
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{ 0x000097, "TLS_DH_DSS_WITH_SEED_CBC_SHA" },
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{ 0x000098, "TLS_DH_RSA_WITH_SEED_CBC_SHA" },
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{ 0x000099, "TLS_DHE_DSS_WITH_SEED_CBC_SHA" },
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{ 0x00009A, "TLS_DHE_RSA_WITH_SEED_CBC_SHA" },
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{ 0x00009B, "TLS_DH_anon_WITH_SEED_CBC_SHA" },
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/* RFC 5288 */
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{ 0x00009C, "TLS_RSA_WITH_AES_128_GCM_SHA256" },
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{ 0x00009D, "TLS_RSA_WITH_AES_256_GCM_SHA384" },
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{ 0x00009E, "TLS_DHE_RSA_WITH_AES_128_GCM_SHA256" },
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{ 0x00009F, "TLS_DHE_RSA_WITH_AES_256_GCM_SHA384" },
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{ 0x0000A0, "TLS_DH_RSA_WITH_AES_128_GCM_SHA256" },
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{ 0x0000A1, "TLS_DH_RSA_WITH_AES_256_GCM_SHA384" },
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{ 0x0000A2, "TLS_DHE_DSS_WITH_AES_128_GCM_SHA256" },
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{ 0x0000A3, "TLS_DHE_DSS_WITH_AES_256_GCM_SHA384" },
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{ 0x0000A4, "TLS_DH_DSS_WITH_AES_128_GCM_SHA256" },
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{ 0x0000A5, "TLS_DH_DSS_WITH_AES_256_GCM_SHA384" },
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{ 0x0000A6, "TLS_DH_anon_WITH_AES_128_GCM_SHA256" },
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{ 0x0000A7, "TLS_DH_anon_WITH_AES_256_GCM_SHA384" },
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/* RFC 5487 */
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{ 0x0000A8, "TLS_PSK_WITH_AES_128_GCM_SHA256" },
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{ 0x0000A9, "TLS_PSK_WITH_AES_256_GCM_SHA384" },
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{ 0x0000AA, "TLS_DHE_PSK_WITH_AES_128_GCM_SHA256" },
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{ 0x0000AB, "TLS_DHE_PSK_WITH_AES_256_GCM_SHA384" },
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{ 0x0000AC, "TLS_RSA_PSK_WITH_AES_128_GCM_SHA256" },
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{ 0x0000AD, "TLS_RSA_PSK_WITH_AES_256_GCM_SHA384" },
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{ 0x0000AE, "TLS_PSK_WITH_AES_128_CBC_SHA256" },
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{ 0x0000AF, "TLS_PSK_WITH_AES_256_CBC_SHA384" },
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{ 0x0000B0, "TLS_PSK_WITH_NULL_SHA256" },
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{ 0x0000B1, "TLS_PSK_WITH_NULL_SHA384" },
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{ 0x0000B2, "TLS_DHE_PSK_WITH_AES_128_CBC_SHA256" },
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{ 0x0000B3, "TLS_DHE_PSK_WITH_AES_256_CBC_SHA384" },
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{ 0x0000B4, "TLS_DHE_PSK_WITH_NULL_SHA256" },
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{ 0x0000B5, "TLS_DHE_PSK_WITH_NULL_SHA384" },
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{ 0x0000B6, "TLS_RSA_PSK_WITH_AES_128_CBC_SHA256" },
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{ 0x0000B7, "TLS_RSA_PSK_WITH_AES_256_CBC_SHA384" },
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{ 0x0000B8, "TLS_RSA_PSK_WITH_NULL_SHA256" },
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{ 0x0000B9, "TLS_RSA_PSK_WITH_NULL_SHA384" },
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/* From RFC 5932 */
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{ 0x0000BA, "TLS_RSA_WITH_CAMELLIA_128_CBC_SHA256" },
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{ 0x0000BB, "TLS_DH_DSS_WITH_CAMELLIA_128_CBC_SHA256" },
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{ 0x0000BC, "TLS_DH_RSA_WITH_CAMELLIA_128_CBC_SHA256" },
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{ 0x0000BD, "TLS_DHE_DSS_WITH_CAMELLIA_128_CBC_SHA256" },
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{ 0x0000BE, "TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA256" },
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{ 0x0000BF, "TLS_DH_anon_WITH_CAMELLIA_128_CBC_SHA256" },
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{ 0x0000C0, "TLS_RSA_WITH_CAMELLIA_256_CBC_SHA256" },
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{ 0x0000C1, "TLS_DH_DSS_WITH_CAMELLIA_256_CBC_SHA256" },
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{ 0x0000C2, "TLS_DH_RSA_WITH_CAMELLIA_256_CBC_SHA256" },
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{ 0x0000C3, "TLS_DHE_DSS_WITH_CAMELLIA_256_CBC_SHA256" },
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{ 0x0000C4, "TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA256" },
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{ 0x0000C5, "TLS_DH_anon_WITH_CAMELLIA_256_CBC_SHA256" },
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/* 0x00,0xC6-FE Unassigned */
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{ 0x0000FF, "TLS_EMPTY_RENEGOTIATION_INFO_SCSV" },
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/* 0x01-BF,* Unassigned */
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/* From RFC 4492 */
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{ 0x00c001, "TLS_ECDH_ECDSA_WITH_NULL_SHA" },
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{ 0x00c002, "TLS_ECDH_ECDSA_WITH_RC4_128_SHA" },
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{ 0x00c003, "TLS_ECDH_ECDSA_WITH_3DES_EDE_CBC_SHA" },
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{ 0x00c004, "TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA" },
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{ 0x00c005, "TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA" },
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{ 0x00c006, "TLS_ECDHE_ECDSA_WITH_NULL_SHA" },
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{ 0x00c007, "TLS_ECDHE_ECDSA_WITH_RC4_128_SHA" },
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{ 0x00c008, "TLS_ECDHE_ECDSA_WITH_3DES_EDE_CBC_SHA" },
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{ 0x00c009, "TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA" },
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{ 0x00c00a, "TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA" },
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{ 0x00c00b, "TLS_ECDH_RSA_WITH_NULL_SHA" },
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{ 0x00c00c, "TLS_ECDH_RSA_WITH_RC4_128_SHA" },
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{ 0x00c00d, "TLS_ECDH_RSA_WITH_3DES_EDE_CBC_SHA" },
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{ 0x00c00e, "TLS_ECDH_RSA_WITH_AES_128_CBC_SHA" },
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{ 0x00c00f, "TLS_ECDH_RSA_WITH_AES_256_CBC_SHA" },
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{ 0x00c010, "TLS_ECDHE_RSA_WITH_NULL_SHA" },
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{ 0x00c011, "TLS_ECDHE_RSA_WITH_RC4_128_SHA" },
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{ 0x00c012, "TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA" },
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{ 0x00c013, "TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA" },
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{ 0x00c014, "TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA" },
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{ 0x00c015, "TLS_ECDH_anon_WITH_NULL_SHA" },
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{ 0x00c016, "TLS_ECDH_anon_WITH_RC4_128_SHA" },
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{ 0x00c017, "TLS_ECDH_anon_WITH_3DES_EDE_CBC_SHA" },
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{ 0x00c018, "TLS_ECDH_anon_WITH_AES_128_CBC_SHA" },
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{ 0x00c019, "TLS_ECDH_anon_WITH_AES_256_CBC_SHA" },
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/* RFC 5054 */
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{ 0x00C01A, "TLS_SRP_SHA_WITH_3DES_EDE_CBC_SHA" },
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{ 0x00C01B, "TLS_SRP_SHA_RSA_WITH_3DES_EDE_CBC_SHA" },
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{ 0x00C01C, "TLS_SRP_SHA_DSS_WITH_3DES_EDE_CBC_SHA" },
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{ 0x00C01D, "TLS_SRP_SHA_WITH_AES_128_CBC_SHA" },
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{ 0x00C01E, "TLS_SRP_SHA_RSA_WITH_AES_128_CBC_SHA" },
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{ 0x00C01F, "TLS_SRP_SHA_DSS_WITH_AES_128_CBC_SHA" },
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{ 0x00C020, "TLS_SRP_SHA_WITH_AES_256_CBC_SHA" },
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{ 0x00C021, "TLS_SRP_SHA_RSA_WITH_AES_256_CBC_SHA" },
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{ 0x00C022, "TLS_SRP_SHA_DSS_WITH_AES_256_CBC_SHA" },
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/* RFC 5589 */
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{ 0x00C023, "TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256" },
|
|
{ 0x00C024, "TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384" },
|
|
{ 0x00C025, "TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA256" },
|
|
{ 0x00C026, "TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA384" },
|
|
{ 0x00C027, "TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256" },
|
|
{ 0x00C028, "TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384" },
|
|
{ 0x00C029, "TLS_ECDH_RSA_WITH_AES_128_CBC_SHA256" },
|
|
{ 0x00C02A, "TLS_ECDH_RSA_WITH_AES_256_CBC_SHA384" },
|
|
{ 0x00C02B, "TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256" },
|
|
{ 0x00C02C, "TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384" },
|
|
{ 0x00C02D, "TLS_ECDH_ECDSA_WITH_AES_128_GCM_SHA256" },
|
|
{ 0x00C02E, "TLS_ECDH_ECDSA_WITH_AES_256_GCM_SHA384" },
|
|
{ 0x00C02F, "TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256" },
|
|
{ 0x00C030, "TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384" },
|
|
{ 0x00C031, "TLS_ECDH_RSA_WITH_AES_128_GCM_SHA256" },
|
|
{ 0x00C032, "TLS_ECDH_RSA_WITH_AES_256_GCM_SHA384" },
|
|
/* RFC 5489 */
|
|
{ 0x00C033, "TLS_ECDHE_PSK_WITH_RC4_128_SHA" },
|
|
{ 0x00C034, "TLS_ECDHE_PSK_WITH_3DES_EDE_CBC_SHA" },
|
|
{ 0x00C035, "TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA" },
|
|
{ 0x00C036, "TLS_ECDHE_PSK_WITH_AES_256_CBC_SHA" },
|
|
{ 0x00C037, "TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA256" },
|
|
{ 0x00C038, "TLS_ECDHE_PSK_WITH_AES_256_CBC_SHA384" },
|
|
{ 0x00C039, "TLS_ECDHE_PSK_WITH_NULL_SHA" },
|
|
{ 0x00C03A, "TLS_ECDHE_PSK_WITH_NULL_SHA256" },
|
|
{ 0x00C03B, "TLS_ECDHE_PSK_WITH_NULL_SHA384" },
|
|
/* 0xC0,0x3C-FF Unassigned
|
|
0xC1-FD,* Unassigned
|
|
0xFE,0x00-FD Unassigned
|
|
0xFE,0xFE-FF Reserved to avoid conflicts with widely deployed implementations [Pasi_Eronen]
|
|
0xFF,0x00-FF Reserved for Private Use [RFC5246]
|
|
*/
|
|
|
|
/* these from http://www.mozilla.org/projects/
|
|
security/pki/nss/ssl/fips-ssl-ciphersuites.html */
|
|
{ 0x00fefe, "SSL_RSA_FIPS_WITH_DES_CBC_SHA"},
|
|
{ 0x00feff, "SSL_RSA_FIPS_WITH_3DES_EDE_CBC_SHA" },
|
|
{ 0x00ffe0, "SSL_RSA_FIPS_WITH_3DES_EDE_CBC_SHA" },
|
|
{ 0x00ffe1, "SSL_RSA_FIPS_WITH_DES_CBC_SHA"},
|
|
/* note that ciphersuites of {0x00????} are TLS cipher suites in
|
|
* a sslv2 client hello message; the ???? above is the two-byte
|
|
* tls cipher suite id
|
|
*/
|
|
|
|
{ 0x010080, "SSL2_RC4_128_WITH_MD5" },
|
|
{ 0x020080, "SSL2_RC4_128_EXPORT40_WITH_MD5" },
|
|
{ 0x030080, "SSL2_RC2_CBC_128_CBC_WITH_MD5" },
|
|
{ 0x040080, "SSL2_RC2_CBC_128_CBC_WITH_MD5" },
|
|
{ 0x050080, "SSL2_IDEA_128_CBC_WITH_MD5" },
|
|
{ 0x060040, "SSL2_DES_64_CBC_WITH_MD5" },
|
|
{ 0x0700c0, "SSL2_DES_192_EDE3_CBC_WITH_MD5" },
|
|
{ 0x080080, "SSL2_RC4_64_WITH_MD5" },
|
|
|
|
/* Microsoft's old PCT protocol. These are from Eric Rescorla's
|
|
book "SSL and TLS" */
|
|
{ 0x800001, "PCT_SSL_CERT_TYPE | PCT1_CERT_X509" },
|
|
{ 0x800003, "PCT_SSL_CERT_TYPE | PCT1_CERT_X509_CHAIN" },
|
|
{ 0x810001, "PCT_SSL_HASH_TYPE | PCT1_HASH_MD5" },
|
|
{ 0x810003, "PCT_SSL_HASH_TYPE | PCT1_HASH_SHA" },
|
|
{ 0x820001, "PCT_SSL_EXCH_TYPE | PCT1_EXCH_RSA_PKCS1" },
|
|
{ 0x830004, "PCT_SSL_CIPHER_TYPE_1ST_HALF | PCT1_CIPHER_RC4" },
|
|
{ 0x842840, "PCT_SSL_CIPHER_TYPE_2ND_HALF | PCT1_ENC_BITS_40 | PCT1_MAC_BITS_128" },
|
|
{ 0x848040, "PCT_SSL_CIPHER_TYPE_2ND_HALF | PCT1_ENC_BITS_128 | PCT1_MAC_BITS_128" },
|
|
{ 0x8f8001, "PCT_SSL_COMPAT | PCT_VERSION_1" },
|
|
{ 0x00, NULL }
|
|
};
|
|
|
|
value_string_ext ssl_20_cipher_suites_ext = VALUE_STRING_EXT_INIT(ssl_20_cipher_suites);
|
|
|
|
|
|
const value_string ssl_extension_curves[] = {
|
|
{ 1, "sect163k1" },
|
|
{ 2, "sect163r1" },
|
|
{ 3, "sect163r2" },
|
|
{ 4, "sect193r1" },
|
|
{ 5, "sect193r2" },
|
|
{ 6, "sect233k1" },
|
|
{ 7, "sect233r1" },
|
|
{ 8, "sect239k1" },
|
|
{ 9, "sect283k1" },
|
|
{ 10, "sect283r1" },
|
|
{ 11, "sect409k1" },
|
|
{ 12, "sect409r1" },
|
|
{ 13, "sect571k1" },
|
|
{ 14, "sect571r1" },
|
|
{ 15, "secp160k1" },
|
|
{ 16, "secp160r1" },
|
|
{ 17, "secp160r2" },
|
|
{ 18, "secp192k1" },
|
|
{ 19, "secp192r1" },
|
|
{ 20, "secp224k1" },
|
|
{ 21, "secp224r1" },
|
|
{ 22, "secp256k1" },
|
|
{ 23, "secp256r1" },
|
|
{ 24, "secp384r1" },
|
|
{ 25, "secp521r1" },
|
|
{ 0xFF01, "arbitrary_explicit_prime_curves" },
|
|
{ 0xFF02, "arbitrary_explicit_char2_curves" },
|
|
{ 0x00, NULL }
|
|
};
|
|
|
|
const value_string ssl_curve_types[] = {
|
|
{ 1, "explicit_prime" },
|
|
{ 2, "explicit_char2" },
|
|
{ 3, "named_curve" },
|
|
{ 0x00, NULL }
|
|
};
|
|
|
|
const value_string ssl_extension_ec_point_formats[] = {
|
|
{ 0, "uncompressed" },
|
|
{ 1, "ansiX962_compressed_prime" },
|
|
{ 2, "ansiX962_compressed_char2" },
|
|
{ 0x00, NULL }
|
|
};
|
|
|
|
const value_string ssl_20_certificate_type[] = {
|
|
{ 0x00, "N/A" },
|
|
{ 0x01, "X.509 Certificate" },
|
|
{ 0x00, NULL }
|
|
};
|
|
|
|
const value_string ssl_31_content_type[] = {
|
|
{ 20, "Change Cipher Spec" },
|
|
{ 21, "Alert" },
|
|
{ 22, "Handshake" },
|
|
{ 23, "Application Data" },
|
|
{ 24, "Heartbeat" },
|
|
{ 0x00, NULL }
|
|
};
|
|
|
|
const value_string ssl_versions[] = {
|
|
{ 0xfefd, "DTLS 1.2" },
|
|
{ 0xfeff, "DTLS 1.0" },
|
|
{ 0x0100, "DTLS 1.0 (OpenSSL pre 0.9.8f)" },
|
|
{ 0x0303, "TLS 1.2" },
|
|
{ 0x0302, "TLS 1.1" },
|
|
{ 0x0301, "TLS 1.0" },
|
|
{ 0x0300, "SSL 3.0" },
|
|
{ 0x0002, "SSL 2.0" },
|
|
{ 0x00, NULL }
|
|
};
|
|
|
|
#if 0
|
|
/* XXX - would be used if we dissected the body of a Change Cipher Spec
|
|
message. */
|
|
const value_string ssl_31_change_cipher_spec[] = {
|
|
{ 1, "Change Cipher Spec" },
|
|
{ 0x00, NULL }
|
|
};
|
|
#endif
|
|
|
|
const value_string ssl_31_alert_level[] = {
|
|
{ 1, "Warning" },
|
|
{ 2, "Fatal" },
|
|
{ 0x00, NULL }
|
|
};
|
|
|
|
const value_string ssl_31_alert_description[] = {
|
|
{ 0, "Close Notify" },
|
|
{ 10, "Unexpected Message" },
|
|
{ 20, "Bad Record MAC" },
|
|
{ 21, "Decryption Failed" },
|
|
{ 22, "Record Overflow" },
|
|
{ 30, "Decompression Failure" },
|
|
{ 40, "Handshake Failure" },
|
|
{ 41, "No Certificate" },
|
|
{ 42, "Bad Certificate" },
|
|
{ 43, "Unsupported Certificate" },
|
|
{ 44, "Certificate Revoked" },
|
|
{ 45, "Certificate Expired" },
|
|
{ 46, "Certificate Unknown" },
|
|
{ 47, "Illegal Parameter" },
|
|
{ 48, "Unknown CA" },
|
|
{ 49, "Access Denied" },
|
|
{ 50, "Decode Error" },
|
|
{ 51, "Decrypt Error" },
|
|
{ 60, "Export Restriction" },
|
|
{ 70, "Protocol Version" },
|
|
{ 71, "Insufficient Security" },
|
|
{ 80, "Internal Error" },
|
|
{ 90, "User Canceled" },
|
|
{ 100, "No Renegotiation" },
|
|
{ 110, "Unsupported Extension" },
|
|
{ 111, "Certificate Unobtainable" },
|
|
{ 112, "Unrecognized Name" },
|
|
{ 113, "Bad Certificate Status Response" },
|
|
{ 114, "Bad Certificate Hash Value" },
|
|
{ 115, "Unknown PSK Identity" },
|
|
{ 0x00, NULL }
|
|
};
|
|
|
|
const value_string ssl_31_handshake_type[] = {
|
|
{ SSL_HND_HELLO_REQUEST, "Hello Request" },
|
|
{ SSL_HND_CLIENT_HELLO, "Client Hello" },
|
|
{ SSL_HND_SERVER_HELLO, "Server Hello" },
|
|
{ SSL_HND_HELLO_VERIFY_REQUEST, "Hello Verify Request"},
|
|
{ SSL_HND_NEWSESSION_TICKET, "New Session Ticket" },
|
|
{ SSL_HND_CERTIFICATE, "Certificate" },
|
|
{ SSL_HND_SERVER_KEY_EXCHG, "Server Key Exchange" },
|
|
{ SSL_HND_CERT_REQUEST, "Certificate Request" },
|
|
{ SSL_HND_SVR_HELLO_DONE, "Server Hello Done" },
|
|
{ SSL_HND_CERT_VERIFY, "Certificate Verify" },
|
|
{ SSL_HND_CLIENT_KEY_EXCHG, "Client Key Exchange" },
|
|
{ SSL_HND_FINISHED, "Finished" },
|
|
{ SSL_HND_CERT_STATUS, "Certificate Status" },
|
|
{ 0x00, NULL }
|
|
};
|
|
|
|
const value_string tls_heartbeat_type[] = {
|
|
{ 1, "Request" },
|
|
{ 2, "Response" },
|
|
{ 0x00, NULL }
|
|
};
|
|
|
|
const value_string tls_heartbeat_mode[] = {
|
|
{ 1, "Peer allowed to send requests" },
|
|
{ 2, "Peer not allowed to send requests" },
|
|
{ 0x00, NULL }
|
|
};
|
|
|
|
const value_string ssl_31_compression_method[] = {
|
|
{ 0, "null" },
|
|
{ 1, "DEFLATE" },
|
|
{ 64, "LZS" },
|
|
{ 0x00, NULL }
|
|
};
|
|
|
|
#if 0
|
|
/* XXX - would be used if we dissected a Signature, as would be
|
|
seen in a server key exchange or certificate verify message. */
|
|
const value_string ssl_31_key_exchange_algorithm[] = {
|
|
{ 0, "RSA" },
|
|
{ 1, "Diffie Hellman" },
|
|
{ 0x00, NULL }
|
|
};
|
|
|
|
const value_string ssl_31_signature_algorithm[] = {
|
|
{ 0, "Anonymous" },
|
|
{ 1, "RSA" },
|
|
{ 2, "DSA" },
|
|
{ 0x00, NULL }
|
|
};
|
|
#endif
|
|
|
|
const value_string ssl_31_client_certificate_type[] = {
|
|
{ 1, "RSA Sign" },
|
|
{ 2, "DSS Sign" },
|
|
{ 3, "RSA Fixed DH" },
|
|
{ 4, "DSS Fixed DH" },
|
|
/* GOST certificate types */
|
|
/* Section 3.5 of draft-chudov-cryptopro-cptls-04 */
|
|
{ 21, "GOST R 34.10-94" },
|
|
{ 22, "GOST R 34.10-2001" },
|
|
/* END GOST certificate types */
|
|
{ 64, "ECDSA Sign" },
|
|
{ 65, "RSA Fixed ECDH" },
|
|
{ 66, "ECDSA Fixed ECDH" },
|
|
{ 0x00, NULL }
|
|
};
|
|
|
|
#if 0
|
|
/* XXX - would be used if we dissected exchange keys, as would be
|
|
seen in a client key exchange message. */
|
|
const value_string ssl_31_public_value_encoding[] = {
|
|
{ 0, "Implicit" },
|
|
{ 1, "Explicit" },
|
|
{ 0x00, NULL }
|
|
};
|
|
#endif
|
|
|
|
/* http://www.iana.org/assignments/tls-parameters/tls-parameters.xhtml */
|
|
/* Note: sorted by ascending value so value_string_ext fcns can do a binary search */
|
|
static const value_string ssl_31_ciphersuite[] = {
|
|
/* RFC 2246, RFC 4346, RFC 5246 */
|
|
{ 0x0000, "TLS_NULL_WITH_NULL_NULL" },
|
|
{ 0x0001, "TLS_RSA_WITH_NULL_MD5" },
|
|
{ 0x0002, "TLS_RSA_WITH_NULL_SHA" },
|
|
{ 0x0003, "TLS_RSA_EXPORT_WITH_RC4_40_MD5" },
|
|
{ 0x0004, "TLS_RSA_WITH_RC4_128_MD5" },
|
|
{ 0x0005, "TLS_RSA_WITH_RC4_128_SHA" },
|
|
{ 0x0006, "TLS_RSA_EXPORT_WITH_RC2_CBC_40_MD5" },
|
|
{ 0x0007, "TLS_RSA_WITH_IDEA_CBC_SHA" },
|
|
{ 0x0008, "TLS_RSA_EXPORT_WITH_DES40_CBC_SHA" },
|
|
{ 0x0009, "TLS_RSA_WITH_DES_CBC_SHA" },
|
|
{ 0x000a, "TLS_RSA_WITH_3DES_EDE_CBC_SHA" },
|
|
{ 0x000b, "TLS_DH_DSS_EXPORT_WITH_DES40_CBC_SHA" },
|
|
{ 0x000c, "TLS_DH_DSS_WITH_DES_CBC_SHA" },
|
|
{ 0x000d, "TLS_DH_DSS_WITH_3DES_EDE_CBC_SHA" },
|
|
{ 0x000e, "TLS_DH_RSA_EXPORT_WITH_DES40_CBC_SHA" },
|
|
{ 0x000f, "TLS_DH_RSA_WITH_DES_CBC_SHA" },
|
|
{ 0x0010, "TLS_DH_RSA_WITH_3DES_EDE_CBC_SHA" },
|
|
{ 0x0011, "TLS_DHE_DSS_EXPORT_WITH_DES40_CBC_SHA" },
|
|
{ 0x0012, "TLS_DHE_DSS_WITH_DES_CBC_SHA" },
|
|
{ 0x0013, "TLS_DHE_DSS_WITH_3DES_EDE_CBC_SHA" },
|
|
{ 0x0014, "TLS_DHE_RSA_EXPORT_WITH_DES40_CBC_SHA" },
|
|
{ 0x0015, "TLS_DHE_RSA_WITH_DES_CBC_SHA" },
|
|
{ 0x0016, "TLS_DHE_RSA_WITH_3DES_EDE_CBC_SHA" },
|
|
{ 0x0017, "TLS_DH_anon_EXPORT_WITH_RC4_40_MD5" },
|
|
{ 0x0018, "TLS_DH_anon_WITH_RC4_128_MD5" },
|
|
{ 0x0019, "TLS_DH_anon_EXPORT_WITH_DES40_CBC_SHA" },
|
|
{ 0x001a, "TLS_DH_anon_WITH_DES_CBC_SHA" },
|
|
{ 0x001b, "TLS_DH_anon_WITH_3DES_EDE_CBC_SHA" },
|
|
|
|
{ 0x001c, "SSL_FORTEZZA_KEA_WITH_NULL_SHA" },
|
|
{ 0x001d, "SSL_FORTEZZA_KEA_WITH_FORTEZZA_CBC_SHA" },
|
|
#if 0 /* Because it clashes with KRB5, is never used any more, and is safe
|
|
to remove according to David Hopwood <david.hopwood@zetnet.co.uk>
|
|
of the ietf-tls list */
|
|
{ 0x001e, "SSL_FORTEZZA_KEA_WITH_RC4_128_SHA" },
|
|
#endif
|
|
|
|
/* RFC 2712 */
|
|
{ 0x001E, "TLS_KRB5_WITH_DES_CBC_SHA" },
|
|
{ 0x001F, "TLS_KRB5_WITH_3DES_EDE_CBC_SHA" },
|
|
{ 0x0020, "TLS_KRB5_WITH_RC4_128_SHA" },
|
|
{ 0x0021, "TLS_KRB5_WITH_IDEA_CBC_SHA" },
|
|
{ 0x0022, "TLS_KRB5_WITH_DES_CBC_MD5" },
|
|
{ 0x0023, "TLS_KRB5_WITH_3DES_EDE_CBC_MD5" },
|
|
{ 0x0024, "TLS_KRB5_WITH_RC4_128_MD5" },
|
|
{ 0x0025, "TLS_KRB5_WITH_IDEA_CBC_MD5" },
|
|
{ 0x0026, "TLS_KRB5_EXPORT_WITH_DES_CBC_40_SHA" },
|
|
{ 0x0027, "TLS_KRB5_EXPORT_WITH_RC2_CBC_40_SHA" },
|
|
{ 0x0028, "TLS_KRB5_EXPORT_WITH_RC4_40_SHA" },
|
|
{ 0x0029, "TLS_KRB5_EXPORT_WITH_DES_CBC_40_MD5" },
|
|
{ 0x002A, "TLS_KRB5_EXPORT_WITH_RC2_CBC_40_MD5" },
|
|
{ 0x002B, "TLS_KRB5_EXPORT_WITH_RC4_40_MD5" },
|
|
|
|
/* RFC 4785 */
|
|
{ 0x002C, "TLS_PSK_WITH_NULL_SHA" },
|
|
{ 0x002D, "TLS_DHE_PSK_WITH_NULL_SHA" },
|
|
{ 0x002E, "TLS_RSA_PSK_WITH_NULL_SHA" },
|
|
|
|
/* RFC 5246 */
|
|
{ 0x002F, "TLS_RSA_WITH_AES_128_CBC_SHA" },
|
|
{ 0x0030, "TLS_DH_DSS_WITH_AES_128_CBC_SHA" },
|
|
{ 0x0031, "TLS_DH_RSA_WITH_AES_128_CBC_SHA" },
|
|
{ 0x0032, "TLS_DHE_DSS_WITH_AES_128_CBC_SHA" },
|
|
{ 0x0033, "TLS_DHE_RSA_WITH_AES_128_CBC_SHA" },
|
|
{ 0x0034, "TLS_DH_anon_WITH_AES_128_CBC_SHA" },
|
|
{ 0x0035, "TLS_RSA_WITH_AES_256_CBC_SHA" },
|
|
{ 0x0036, "TLS_DH_DSS_WITH_AES_256_CBC_SHA" },
|
|
{ 0x0037, "TLS_DH_RSA_WITH_AES_256_CBC_SHA" },
|
|
{ 0x0038, "TLS_DHE_DSS_WITH_AES_256_CBC_SHA" },
|
|
{ 0x0039, "TLS_DHE_RSA_WITH_AES_256_CBC_SHA" },
|
|
{ 0x003A, "TLS_DH_anon_WITH_AES_256_CBC_SHA" },
|
|
{ 0x003B, "TLS_RSA_WITH_NULL_SHA256" },
|
|
{ 0x003C, "TLS_RSA_WITH_AES_128_CBC_SHA256" },
|
|
{ 0x003D, "TLS_RSA_WITH_AES_256_CBC_SHA256" },
|
|
{ 0x003E, "TLS_DH_DSS_WITH_AES_128_CBC_SHA256" },
|
|
{ 0x003F, "TLS_DH_RSA_WITH_AES_128_CBC_SHA256" },
|
|
{ 0x0040, "TLS_DHE_DSS_WITH_AES_128_CBC_SHA256" },
|
|
|
|
/* RFC 4132 */
|
|
{ 0x0041, "TLS_RSA_WITH_CAMELLIA_128_CBC_SHA" },
|
|
{ 0x0042, "TLS_DH_DSS_WITH_CAMELLIA_128_CBC_SHA" },
|
|
{ 0x0043, "TLS_DH_RSA_WITH_CAMELLIA_128_CBC_SHA" },
|
|
{ 0x0044, "TLS_DHE_DSS_WITH_CAMELLIA_128_CBC_SHA" },
|
|
{ 0x0045, "TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA" },
|
|
{ 0x0046, "TLS_DH_anon_WITH_CAMELLIA_128_CBC_SHA" },
|
|
|
|
/* 0x00,0x60-66 Reserved to avoid conflicts with widely deployed implementations */
|
|
/* --- ??? --- */
|
|
{ 0x0060, "TLS_RSA_EXPORT1024_WITH_RC4_56_MD5" },
|
|
{ 0x0061, "TLS_RSA_EXPORT1024_WITH_RC2_CBC_56_MD5" },
|
|
/* draft-ietf-tls-56-bit-ciphersuites-01.txt */
|
|
{ 0x0062, "TLS_RSA_EXPORT1024_WITH_DES_CBC_SHA" },
|
|
{ 0x0063, "TLS_DHE_DSS_EXPORT1024_WITH_DES_CBC_SHA" },
|
|
{ 0x0064, "TLS_RSA_EXPORT1024_WITH_RC4_56_SHA" },
|
|
{ 0x0065, "TLS_DHE_DSS_EXPORT1024_WITH_RC4_56_SHA" },
|
|
{ 0x0066, "TLS_DHE_DSS_WITH_RC4_128_SHA" },
|
|
/* --- ??? ---*/
|
|
|
|
{ 0x0067, "TLS_DHE_RSA_WITH_AES_128_CBC_SHA256" },
|
|
{ 0x0068, "TLS_DH_DSS_WITH_AES_256_CBC_SHA256" },
|
|
{ 0x0069, "TLS_DH_RSA_WITH_AES_256_CBC_SHA256" },
|
|
{ 0x006A, "TLS_DHE_DSS_WITH_AES_256_CBC_SHA256" },
|
|
{ 0x006B, "TLS_DHE_RSA_WITH_AES_256_CBC_SHA256" },
|
|
{ 0x006C, "TLS_DH_anon_WITH_AES_128_CBC_SHA256" },
|
|
{ 0x006D, "TLS_DH_anon_WITH_AES_256_CBC_SHA256" },
|
|
|
|
/* draft-chudov-cryptopro-cptls-04.txt */
|
|
{ 0x0080, "TLS_GOSTR341094_WITH_28147_CNT_IMIT" },
|
|
{ 0x0081, "TLS_GOSTR341001_WITH_28147_CNT_IMIT" },
|
|
{ 0x0082, "TLS_GOSTR341094_WITH_NULL_GOSTR3411" },
|
|
{ 0x0083, "TLS_GOSTR341001_WITH_NULL_GOSTR3411" },
|
|
|
|
/* RFC 4132 */
|
|
{ 0x0084, "TLS_RSA_WITH_CAMELLIA_256_CBC_SHA" },
|
|
{ 0x0085, "TLS_DH_DSS_WITH_CAMELLIA_256_CBC_SHA" },
|
|
{ 0x0086, "TLS_DH_RSA_WITH_CAMELLIA_256_CBC_SHA" },
|
|
{ 0x0087, "TLS_DHE_DSS_WITH_CAMELLIA_256_CBC_SHA" },
|
|
{ 0x0088, "TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA" },
|
|
{ 0x0089, "TLS_DH_anon_WITH_CAMELLIA_256_CBC_SHA" },
|
|
|
|
/* RFC 4279 */
|
|
{ 0x008A, "TLS_PSK_WITH_RC4_128_SHA" },
|
|
{ 0x008B, "TLS_PSK_WITH_3DES_EDE_CBC_SHA" },
|
|
{ 0x008C, "TLS_PSK_WITH_AES_128_CBC_SHA" },
|
|
{ 0x008D, "TLS_PSK_WITH_AES_256_CBC_SHA" },
|
|
{ 0x008E, "TLS_DHE_PSK_WITH_RC4_128_SHA" },
|
|
{ 0x008F, "TLS_DHE_PSK_WITH_3DES_EDE_CBC_SHA" },
|
|
{ 0x0090, "TLS_DHE_PSK_WITH_AES_128_CBC_SHA" },
|
|
{ 0x0091, "TLS_DHE_PSK_WITH_AES_256_CBC_SHA" },
|
|
{ 0x0092, "TLS_RSA_PSK_WITH_RC4_128_SHA" },
|
|
{ 0x0093, "TLS_RSA_PSK_WITH_3DES_EDE_CBC_SHA" },
|
|
{ 0x0094, "TLS_RSA_PSK_WITH_AES_128_CBC_SHA" },
|
|
{ 0x0095, "TLS_RSA_PSK_WITH_AES_256_CBC_SHA" },
|
|
|
|
/* RFC 4162 */
|
|
{ 0x0096, "TLS_RSA_WITH_SEED_CBC_SHA" },
|
|
{ 0x0097, "TLS_DH_DSS_WITH_SEED_CBC_SHA" },
|
|
{ 0x0098, "TLS_DH_RSA_WITH_SEED_CBC_SHA" },
|
|
{ 0x0099, "TLS_DHE_DSS_WITH_SEED_CBC_SHA" },
|
|
{ 0x009A, "TLS_DHE_RSA_WITH_SEED_CBC_SHA" },
|
|
{ 0x009B, "TLS_DH_anon_WITH_SEED_CBC_SHA" },
|
|
|
|
/* RFC 5288 */
|
|
{ 0x009C, "TLS_RSA_WITH_AES_128_GCM_SHA256" },
|
|
{ 0x009D, "TLS_RSA_WITH_AES_256_GCM_SHA384" },
|
|
{ 0x009E, "TLS_DHE_RSA_WITH_AES_128_GCM_SHA256" },
|
|
{ 0x009F, "TLS_DHE_RSA_WITH_AES_256_GCM_SHA384" },
|
|
{ 0x00A0, "TLS_DH_RSA_WITH_AES_128_GCM_SHA256" },
|
|
{ 0x00A1, "TLS_DH_RSA_WITH_AES_256_GCM_SHA384" },
|
|
{ 0x00A2, "TLS_DHE_DSS_WITH_AES_128_GCM_SHA256" },
|
|
{ 0x00A3, "TLS_DHE_DSS_WITH_AES_256_GCM_SHA384" },
|
|
{ 0x00A4, "TLS_DH_DSS_WITH_AES_128_GCM_SHA256" },
|
|
{ 0x00A5, "TLS_DH_DSS_WITH_AES_256_GCM_SHA384" },
|
|
{ 0x00A6, "TLS_DH_anon_WITH_AES_128_GCM_SHA256" },
|
|
{ 0x00A7, "TLS_DH_anon_WITH_AES_256_GCM_SHA384" },
|
|
|
|
/* RFC 5487 */
|
|
{ 0x00A8, "TLS_PSK_WITH_AES_128_GCM_SHA256" },
|
|
{ 0x00A9, "TLS_PSK_WITH_AES_256_GCM_SHA384" },
|
|
{ 0x00AA, "TLS_DHE_PSK_WITH_AES_128_GCM_SHA256" },
|
|
{ 0x00AB, "TLS_DHE_PSK_WITH_AES_256_GCM_SHA384" },
|
|
{ 0x00AC, "TLS_RSA_PSK_WITH_AES_128_GCM_SHA256" },
|
|
{ 0x00AD, "TLS_RSA_PSK_WITH_AES_256_GCM_SHA384" },
|
|
{ 0x00AE, "TLS_PSK_WITH_AES_128_CBC_SHA256" },
|
|
{ 0x00AF, "TLS_PSK_WITH_AES_256_CBC_SHA384" },
|
|
{ 0x00B0, "TLS_PSK_WITH_NULL_SHA256" },
|
|
{ 0x00B1, "TLS_PSK_WITH_NULL_SHA384" },
|
|
{ 0x00B2, "TLS_DHE_PSK_WITH_AES_128_CBC_SHA256" },
|
|
{ 0x00B3, "TLS_DHE_PSK_WITH_AES_256_CBC_SHA384" },
|
|
{ 0x00B4, "TLS_DHE_PSK_WITH_NULL_SHA256" },
|
|
{ 0x00B5, "TLS_DHE_PSK_WITH_NULL_SHA384" },
|
|
{ 0x00B6, "TLS_RSA_PSK_WITH_AES_128_CBC_SHA256" },
|
|
{ 0x00B7, "TLS_RSA_PSK_WITH_AES_256_CBC_SHA384" },
|
|
{ 0x00B8, "TLS_RSA_PSK_WITH_NULL_SHA256" },
|
|
{ 0x00B9, "TLS_RSA_PSK_WITH_NULL_SHA384" },
|
|
|
|
/* From RFC 5932 */
|
|
{ 0x00BA, "TLS_RSA_WITH_CAMELLIA_128_CBC_SHA256" },
|
|
{ 0x00BB, "TLS_DH_DSS_WITH_CAMELLIA_128_CBC_SHA256" },
|
|
{ 0x00BC, "TLS_DH_RSA_WITH_CAMELLIA_128_CBC_SHA256" },
|
|
{ 0x00BD, "TLS_DHE_DSS_WITH_CAMELLIA_128_CBC_SHA256" },
|
|
{ 0x00BE, "TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA256" },
|
|
{ 0x00BF, "TLS_DH_anon_WITH_CAMELLIA_128_CBC_SHA256" },
|
|
{ 0x00C0, "TLS_RSA_WITH_CAMELLIA_256_CBC_SHA256" },
|
|
{ 0x00C1, "TLS_DH_DSS_WITH_CAMELLIA_256_CBC_SHA256" },
|
|
{ 0x00C2, "TLS_DH_RSA_WITH_CAMELLIA_256_CBC_SHA256" },
|
|
{ 0x00C3, "TLS_DHE_DSS_WITH_CAMELLIA_256_CBC_SHA256" },
|
|
{ 0x00C4, "TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA256" },
|
|
{ 0x00C5, "TLS_DH_anon_WITH_CAMELLIA_256_CBC_SHA256" },
|
|
/* 0x00,0xC6-FE Unassigned */
|
|
/* From RFC 5746 */
|
|
{ 0x0000FF, "TLS_EMPTY_RENEGOTIATION_INFO_SCSV" },
|
|
/* 0x01-BF,* Unassigned */
|
|
/* From RFC 4492 */
|
|
{ 0xc001, "TLS_ECDH_ECDSA_WITH_NULL_SHA" },
|
|
{ 0xc002, "TLS_ECDH_ECDSA_WITH_RC4_128_SHA" },
|
|
{ 0xc003, "TLS_ECDH_ECDSA_WITH_3DES_EDE_CBC_SHA" },
|
|
{ 0xc004, "TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA" },
|
|
{ 0xc005, "TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA" },
|
|
{ 0xc006, "TLS_ECDHE_ECDSA_WITH_NULL_SHA" },
|
|
{ 0xc007, "TLS_ECDHE_ECDSA_WITH_RC4_128_SHA" },
|
|
{ 0xc008, "TLS_ECDHE_ECDSA_WITH_3DES_EDE_CBC_SHA" },
|
|
{ 0xc009, "TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA" },
|
|
{ 0xc00a, "TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA" },
|
|
{ 0xc00b, "TLS_ECDH_RSA_WITH_NULL_SHA" },
|
|
{ 0xc00c, "TLS_ECDH_RSA_WITH_RC4_128_SHA" },
|
|
{ 0xc00d, "TLS_ECDH_RSA_WITH_3DES_EDE_CBC_SHA" },
|
|
{ 0xc00e, "TLS_ECDH_RSA_WITH_AES_128_CBC_SHA" },
|
|
{ 0xc00f, "TLS_ECDH_RSA_WITH_AES_256_CBC_SHA" },
|
|
{ 0xc010, "TLS_ECDHE_RSA_WITH_NULL_SHA" },
|
|
{ 0xc011, "TLS_ECDHE_RSA_WITH_RC4_128_SHA" },
|
|
{ 0xc012, "TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA" },
|
|
{ 0xc013, "TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA" },
|
|
{ 0xc014, "TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA" },
|
|
{ 0xc015, "TLS_ECDH_anon_WITH_NULL_SHA" },
|
|
{ 0xc016, "TLS_ECDH_anon_WITH_RC4_128_SHA" },
|
|
{ 0xc017, "TLS_ECDH_anon_WITH_3DES_EDE_CBC_SHA" },
|
|
{ 0xc018, "TLS_ECDH_anon_WITH_AES_128_CBC_SHA" },
|
|
{ 0xc019, "TLS_ECDH_anon_WITH_AES_256_CBC_SHA" },
|
|
|
|
/* RFC 5054 */
|
|
{ 0xC01A, "TLS_SRP_SHA_WITH_3DES_EDE_CBC_SHA" },
|
|
{ 0xC01B, "TLS_SRP_SHA_RSA_WITH_3DES_EDE_CBC_SHA" },
|
|
{ 0xC01C, "TLS_SRP_SHA_DSS_WITH_3DES_EDE_CBC_SHA" },
|
|
{ 0xC01D, "TLS_SRP_SHA_WITH_AES_128_CBC_SHA" },
|
|
{ 0xC01E, "TLS_SRP_SHA_RSA_WITH_AES_128_CBC_SHA" },
|
|
{ 0xC01F, "TLS_SRP_SHA_DSS_WITH_AES_128_CBC_SHA" },
|
|
{ 0xC020, "TLS_SRP_SHA_WITH_AES_256_CBC_SHA" },
|
|
{ 0xC021, "TLS_SRP_SHA_RSA_WITH_AES_256_CBC_SHA" },
|
|
{ 0xC022, "TLS_SRP_SHA_DSS_WITH_AES_256_CBC_SHA" },
|
|
|
|
/* RFC 5589 */
|
|
{ 0xC023, "TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256" },
|
|
{ 0xC024, "TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384" },
|
|
{ 0xC025, "TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA256" },
|
|
{ 0xC026, "TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA384" },
|
|
{ 0xC027, "TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256" },
|
|
{ 0xC028, "TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384" },
|
|
{ 0xC029, "TLS_ECDH_RSA_WITH_AES_128_CBC_SHA256" },
|
|
{ 0xC02A, "TLS_ECDH_RSA_WITH_AES_256_CBC_SHA384" },
|
|
{ 0xC02B, "TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256" },
|
|
{ 0xC02C, "TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384" },
|
|
{ 0xC02D, "TLS_ECDH_ECDSA_WITH_AES_128_GCM_SHA256" },
|
|
{ 0xC02E, "TLS_ECDH_ECDSA_WITH_AES_256_GCM_SHA384" },
|
|
{ 0xC02F, "TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256" },
|
|
{ 0xC030, "TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384" },
|
|
{ 0xC031, "TLS_ECDH_RSA_WITH_AES_128_GCM_SHA256" },
|
|
{ 0xC032, "TLS_ECDH_RSA_WITH_AES_256_GCM_SHA384" },
|
|
|
|
/* RFC 5489 */
|
|
{ 0xC033, "TLS_ECDHE_PSK_WITH_RC4_128_SHA" },
|
|
{ 0xC034, "TLS_ECDHE_PSK_WITH_3DES_EDE_CBC_SHA" },
|
|
{ 0xC035, "TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA" },
|
|
{ 0xC036, "TLS_ECDHE_PSK_WITH_AES_256_CBC_SHA" },
|
|
{ 0xC037, "TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA256" },
|
|
{ 0xC038, "TLS_ECDHE_PSK_WITH_AES_256_CBC_SHA384" },
|
|
{ 0xC039, "TLS_ECDHE_PSK_WITH_NULL_SHA" },
|
|
{ 0xC03A, "TLS_ECDHE_PSK_WITH_NULL_SHA256" },
|
|
{ 0xC03B, "TLS_ECDHE_PSK_WITH_NULL_SHA384" },
|
|
/*
|
|
0xC0,0x3C-FF Unassigned
|
|
0xC1-FD,* Unassigned
|
|
0xFE,0x00-FD Unassigned
|
|
0xFE,0xFE-FF Reserved to avoid conflicts with widely deployed implementations [Pasi_Eronen]
|
|
0xFF,0x00-FF Reserved for Private Use [RFC5246]
|
|
*/
|
|
/* these from http://www.mozilla.org/projects/
|
|
security/pki/nss/ssl/fips-ssl-ciphersuites.html */
|
|
{ 0xfefe, "SSL_RSA_FIPS_WITH_DES_CBC_SHA"},
|
|
{ 0xfeff, "SSL_RSA_FIPS_WITH_3DES_EDE_CBC_SHA" },
|
|
{ 0xffe0, "SSL_RSA_FIPS_WITH_3DES_EDE_CBC_SHA" },
|
|
{ 0xffe1, "SSL_RSA_FIPS_WITH_DES_CBC_SHA"},
|
|
/* note that ciphersuites 0xff00 - 0xffff are private */
|
|
{ 0x00, NULL }
|
|
};
|
|
|
|
value_string_ext ssl_31_ciphersuite_ext = VALUE_STRING_EXT_INIT(ssl_31_ciphersuite);
|
|
|
|
|
|
const value_string pct_msg_types[] = {
|
|
{ PCT_MSG_CLIENT_HELLO, "Client Hello" },
|
|
{ PCT_MSG_SERVER_HELLO, "Server Hello" },
|
|
{ PCT_MSG_CLIENT_MASTER_KEY, "Client Master Key" },
|
|
{ PCT_MSG_SERVER_VERIFY, "Server Verify" },
|
|
{ PCT_MSG_ERROR, "Error" },
|
|
{ 0x00, NULL }
|
|
};
|
|
|
|
const value_string pct_cipher_type[] = {
|
|
{ PCT_CIPHER_DES, "DES" },
|
|
{ PCT_CIPHER_IDEA, "IDEA" },
|
|
{ PCT_CIPHER_RC2, "RC2" },
|
|
{ PCT_CIPHER_RC4, "RC4" },
|
|
{ PCT_CIPHER_DES_112, "DES 112 bit" },
|
|
{ PCT_CIPHER_DES_168, "DES 168 bit" },
|
|
{ 0x00, NULL }
|
|
};
|
|
|
|
const value_string pct_hash_type[] = {
|
|
{ PCT_HASH_MD5, "MD5" },
|
|
{ PCT_HASH_MD5_TRUNC_64, "MD5_TRUNC_64"},
|
|
{ PCT_HASH_SHA, "SHA"},
|
|
{ PCT_HASH_SHA_TRUNC_80, "SHA_TRUNC_80"},
|
|
{ PCT_HASH_DES_DM, "DES_DM"},
|
|
{ 0x00, NULL }
|
|
};
|
|
|
|
const value_string pct_cert_type[] = {
|
|
{ PCT_CERT_NONE, "None" },
|
|
{ PCT_CERT_X509, "X.509" },
|
|
{ PCT_CERT_PKCS7, "PKCS #7" },
|
|
{ 0x00, NULL }
|
|
};
|
|
const value_string pct_sig_type[] = {
|
|
{ PCT_SIG_NONE, "None" },
|
|
{ PCT_SIG_RSA_MD5, "MD5" },
|
|
{ PCT_SIG_RSA_SHA, "RSA SHA" },
|
|
{ PCT_SIG_DSA_SHA, "DSA SHA" },
|
|
{ 0x00, NULL }
|
|
};
|
|
|
|
const value_string pct_exch_type[] = {
|
|
{ PCT_EXCH_RSA_PKCS1, "RSA PKCS#1" },
|
|
{ PCT_EXCH_RSA_PKCS1_TOKEN_DES, "RSA PKCS#1 Token DES" },
|
|
{ PCT_EXCH_RSA_PKCS1_TOKEN_DES3, "RSA PKCS#1 Token 3DES" },
|
|
{ PCT_EXCH_RSA_PKCS1_TOKEN_RC2, "RSA PKCS#1 Token RC-2" },
|
|
{ PCT_EXCH_RSA_PKCS1_TOKEN_RC4, "RSA PKCS#1 Token RC-4" },
|
|
{ PCT_EXCH_DH_PKCS3, "DH PKCS#3" },
|
|
{ PCT_EXCH_DH_PKCS3_TOKEN_DES, "DH PKCS#3 Token DES" },
|
|
{ PCT_EXCH_DH_PKCS3_TOKEN_DES3, "DH PKCS#3 Token 3DES" },
|
|
{ PCT_EXCH_FORTEZZA_TOKEN, "Fortezza" },
|
|
{ 0x00, NULL }
|
|
};
|
|
|
|
const value_string pct_error_code[] = {
|
|
{ PCT_ERR_BAD_CERTIFICATE, "PCT_ERR_BAD_CERTIFICATE" },
|
|
{ PCT_ERR_CLIENT_AUTH_FAILED, "PCT_ERR_CLIENT_AUTH_FAILE" },
|
|
{ PCT_ERR_ILLEGAL_MESSAGE, "PCT_ERR_ILLEGAL_MESSAGE" },
|
|
{ PCT_ERR_INTEGRITY_CHECK_FAILED, "PCT_ERR_INTEGRITY_CHECK_FAILED" },
|
|
{ PCT_ERR_SERVER_AUTH_FAILED, "PCT_ERR_SERVER_AUTH_FAILED" },
|
|
{ PCT_ERR_SPECS_MISMATCH, "PCT_ERR_SPECS_MISMATCH" },
|
|
{ 0x00, NULL }
|
|
};
|
|
|
|
/* RFC 4366 */
|
|
const value_string tls_hello_extension_types[] = {
|
|
{ SSL_HND_HELLO_EXT_SERVER_NAME, "server_name" }, /* RFC 3546 */
|
|
{ 1, "max_fragment_length" },
|
|
{ 2, "client_certificate_url" },
|
|
{ 3, "trusted_ca_keys" },
|
|
{ 4, "truncated_hmac" },
|
|
{ 5, "status_request" },
|
|
{ 6, "user_mapping" }, /* RFC 4681 */
|
|
{ 7, "client_authz" },
|
|
{ 8, "server_authz" },
|
|
{ 9, "cert_type" }, /* RFC 5081 */
|
|
{ SSL_HND_HELLO_EXT_ELLIPTIC_CURVES, "elliptic_curves" }, /* RFC 4492 */
|
|
{ SSL_HND_HELLO_EXT_EC_POINT_FORMATS, "ec_point_formats" }, /* RFC 4492 */
|
|
{ 12, "srp" }, /* RFC 5054 */
|
|
{ 13, "signature_algorithms" }, /* RFC 5246 */
|
|
{ 14, "use_srtp" },
|
|
{ SSL_HND_HELLO_EXT_HEARTBEAT, "Heartbeat" }, /* RFC 6520 */
|
|
{ 35, "SessionTicket TLS" }, /* RFC 4507 */
|
|
{ SSL_HND_HELLO_EXT_NPN, "next_protocol_negotiation"}, /* http://technotes.googlecode.com/git/nextprotoneg.html */
|
|
{ SSL_HND_HELLO_EXT_RENEG_INFO, "renegotiation_info" }, /* RFC 5746 */
|
|
{ 0, NULL }
|
|
};
|
|
|
|
const value_string tls_hello_ext_server_name_type_vs[] = {
|
|
{ 0, "host_name" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
/* RFC 5246 7.4.1.4.1 */
|
|
const value_string tls_hash_algorithm[] = {
|
|
{ 0, "None" },
|
|
{ 1, "MD5" },
|
|
{ 2, "SHA1" },
|
|
{ 3, "SHA224" },
|
|
{ 4, "SHA256" },
|
|
{ 5, "SHA384" },
|
|
{ 6, "SHA512" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
const value_string tls_signature_algorithm[] = {
|
|
{ 0, "Anonymous" },
|
|
{ 1, "RSA" },
|
|
{ 2, "DSA" },
|
|
{ 3, "ECDSA" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
/* RFC 6091 3.1 */
|
|
const value_string tls_certificate_type[] = {
|
|
{ 0, "X.509" },
|
|
{ 1, "OpenPGP" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
const value_string tls_cert_status_type[] = {
|
|
{ SSL_HND_CERT_STATUS_TYPE_OCSP, "OCSP" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
/* we keep this internal to packet-ssl-utils, as there should be
|
|
no need to access it any other way.
|
|
|
|
This also allows us to hide the dependency on zlib.
|
|
*/
|
|
struct _SslDecompress {
|
|
gint compression;
|
|
#ifdef HAVE_LIBZ
|
|
z_stream istream;
|
|
#endif
|
|
};
|
|
|
|
/* To assist in parsing client/server key exchange messages
|
|
0 indicates unknown */
|
|
gint ssl_get_keyex_alg(gint cipher)
|
|
{
|
|
switch(cipher) {
|
|
case 0x0001:
|
|
case 0x0002:
|
|
case 0x0003:
|
|
case 0x0004:
|
|
case 0x0005:
|
|
case 0x0006:
|
|
case 0x0007:
|
|
case 0x0008:
|
|
case 0x0009:
|
|
case 0x000a:
|
|
case 0x002e:
|
|
case 0x002f:
|
|
case 0x0035:
|
|
case 0x003b:
|
|
case 0x003c:
|
|
case 0x003d:
|
|
case 0x0041:
|
|
case 0x0060:
|
|
case 0x0061:
|
|
case 0x0062:
|
|
case 0x0064:
|
|
case 0x0084:
|
|
case 0x0092:
|
|
case 0x0093:
|
|
case 0x0094:
|
|
case 0x0095:
|
|
case 0x0096:
|
|
case 0x009c:
|
|
case 0x009d:
|
|
case 0x00ac:
|
|
case 0x00ad:
|
|
case 0x00b6:
|
|
case 0x00b7:
|
|
case 0x00b8:
|
|
case 0x00b9:
|
|
case 0x00ba:
|
|
case 0x00c0:
|
|
case 0xfefe:
|
|
case 0xfeff:
|
|
case 0xffe0:
|
|
case 0xffe1:
|
|
return KEX_RSA;
|
|
case 0x000b:
|
|
case 0x000c:
|
|
case 0x000d:
|
|
case 0x000e:
|
|
case 0x000f:
|
|
case 0x0010:
|
|
case 0x0011:
|
|
case 0x0012:
|
|
case 0x0013:
|
|
case 0x0014:
|
|
case 0x0015:
|
|
case 0x0016:
|
|
case 0x0017:
|
|
case 0x0018:
|
|
case 0x0019:
|
|
case 0x001a:
|
|
case 0x001b:
|
|
case 0x002d:
|
|
case 0x0030:
|
|
case 0x0031:
|
|
case 0x0032:
|
|
case 0x0033:
|
|
case 0x0034:
|
|
case 0x0036:
|
|
case 0x0037:
|
|
case 0x0038:
|
|
case 0x0039:
|
|
case 0x003a:
|
|
case 0x003e:
|
|
case 0x003f:
|
|
case 0x0040:
|
|
case 0x0042:
|
|
case 0x0043:
|
|
case 0x0044:
|
|
case 0x0045:
|
|
case 0x0046:
|
|
case 0x0063:
|
|
case 0x0065:
|
|
case 0x0066:
|
|
case 0x0067:
|
|
case 0x0068:
|
|
case 0x0069:
|
|
case 0x006a:
|
|
case 0x006b:
|
|
case 0x006c:
|
|
case 0x006d:
|
|
case 0x0085:
|
|
case 0x0086:
|
|
case 0x0087:
|
|
case 0x0088:
|
|
case 0x0089:
|
|
case 0x008e:
|
|
case 0x008f:
|
|
case 0x0090:
|
|
case 0x0091:
|
|
case 0x0097:
|
|
case 0x0098:
|
|
case 0x0099:
|
|
case 0x009a:
|
|
case 0x009b:
|
|
case 0x009e:
|
|
case 0x009f:
|
|
case 0x00a0:
|
|
case 0x00a1:
|
|
case 0x00a2:
|
|
case 0x00a3:
|
|
case 0x00a4:
|
|
case 0x00a5:
|
|
case 0x00a6:
|
|
case 0x00a7:
|
|
case 0x00aa:
|
|
case 0x00ab:
|
|
case 0x00b2:
|
|
case 0x00b3:
|
|
case 0x00b4:
|
|
case 0x00b5:
|
|
case 0x00bb:
|
|
case 0x00bc:
|
|
case 0x00bd:
|
|
case 0x00be:
|
|
case 0x00bf:
|
|
case 0x00c1:
|
|
case 0x00c2:
|
|
case 0x00c3:
|
|
case 0x00c4:
|
|
case 0x00c5:
|
|
return KEX_DH;
|
|
case 0xc001:
|
|
case 0xc002:
|
|
case 0xc003:
|
|
case 0xc004:
|
|
case 0xc005:
|
|
case 0xc006:
|
|
case 0xc007:
|
|
case 0xc008:
|
|
case 0xc009:
|
|
case 0xc00a:
|
|
case 0xc00b:
|
|
case 0xc00c:
|
|
case 0xc00d:
|
|
case 0xc00e:
|
|
case 0xc00f:
|
|
case 0xc010:
|
|
case 0xc011:
|
|
case 0xc012:
|
|
case 0xc013:
|
|
case 0xc014:
|
|
case 0xc015:
|
|
case 0xc016:
|
|
case 0xc017:
|
|
case 0xc018:
|
|
case 0xc019:
|
|
case 0xc023:
|
|
case 0xc024:
|
|
case 0xc025:
|
|
case 0xc026:
|
|
case 0xc027:
|
|
case 0xc028:
|
|
case 0xc029:
|
|
case 0xc02a:
|
|
case 0xc02b:
|
|
case 0xc02c:
|
|
case 0xc02d:
|
|
case 0xc02e:
|
|
case 0xc02f:
|
|
case 0xc030:
|
|
case 0xc031:
|
|
case 0xc032:
|
|
case 0xc033:
|
|
case 0xc034:
|
|
case 0xc035:
|
|
case 0xc036:
|
|
case 0xc037:
|
|
case 0xc038:
|
|
case 0xc039:
|
|
case 0xc03a:
|
|
case 0xc03b:
|
|
return KEX_ECDH;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
|
|
|
|
static gint
|
|
ssl_data_alloc(StringInfo* str, size_t len)
|
|
{
|
|
str->data = g_malloc(len);
|
|
/* the allocator can return a null pointer for a size equal to 0,
|
|
* and that must be allowed */
|
|
if (len > 0 && !str->data)
|
|
return -1;
|
|
str->data_len = (guint) len;
|
|
return 0;
|
|
}
|
|
|
|
void
|
|
ssl_data_set(StringInfo* str, const guchar* data, guint len)
|
|
{
|
|
memcpy(str->data, data, len);
|
|
str->data_len = len;
|
|
}
|
|
|
|
#if defined(HAVE_LIBGNUTLS) && defined(HAVE_LIBGCRYPT)
|
|
|
|
/* hmac abstraction layer */
|
|
#define SSL_HMAC gcry_md_hd_t
|
|
|
|
static inline gint
|
|
ssl_hmac_init(SSL_HMAC* md, const void * key, gint len, gint algo)
|
|
{
|
|
gcry_error_t err;
|
|
const char *err_str, *err_src;
|
|
|
|
err = gcry_md_open(md,algo, GCRY_MD_FLAG_HMAC);
|
|
if (err != 0) {
|
|
err_str = gcry_strerror(err);
|
|
err_src = gcry_strsource(err);
|
|
ssl_debug_printf("ssl_hmac_init(): gcry_md_open failed %s/%s", err_str, err_src);
|
|
return -1;
|
|
}
|
|
gcry_md_setkey (*(md), key, len);
|
|
return 0;
|
|
}
|
|
static inline void
|
|
ssl_hmac_update(SSL_HMAC* md, const void* data, gint len)
|
|
{
|
|
gcry_md_write(*(md), data, len);
|
|
}
|
|
static inline void
|
|
ssl_hmac_final(SSL_HMAC* md, guchar* data, guint* datalen)
|
|
{
|
|
gint algo;
|
|
guint len;
|
|
|
|
algo = gcry_md_get_algo (*(md));
|
|
len = gcry_md_get_algo_dlen(algo);
|
|
memcpy(data, gcry_md_read(*(md), algo), len);
|
|
*datalen = len;
|
|
}
|
|
static inline void
|
|
ssl_hmac_cleanup(SSL_HMAC* md)
|
|
{
|
|
gcry_md_close(*(md));
|
|
}
|
|
|
|
/* memory digest abstraction layer*/
|
|
#define SSL_MD gcry_md_hd_t
|
|
|
|
static inline gint
|
|
ssl_md_init(SSL_MD* md, gint algo)
|
|
{
|
|
gcry_error_t err;
|
|
const char *err_str, *err_src;
|
|
err = gcry_md_open(md,algo, 0);
|
|
if (err != 0) {
|
|
err_str = gcry_strerror(err);
|
|
err_src = gcry_strsource(err);
|
|
ssl_debug_printf("ssl_md_init(): gcry_md_open failed %s/%s", err_str, err_src);
|
|
return -1;
|
|
}
|
|
return 0;
|
|
}
|
|
static inline void
|
|
ssl_md_update(SSL_MD* md, guchar* data, gint len)
|
|
{
|
|
gcry_md_write(*(md), data, len);
|
|
}
|
|
static inline void
|
|
ssl_md_final(SSL_MD* md, guchar* data, guint* datalen)
|
|
{
|
|
gint algo;
|
|
gint len;
|
|
algo = gcry_md_get_algo (*(md));
|
|
len = gcry_md_get_algo_dlen (algo);
|
|
memcpy(data, gcry_md_read(*(md), algo), len);
|
|
*datalen = len;
|
|
}
|
|
static inline void
|
|
ssl_md_cleanup(SSL_MD* md)
|
|
{
|
|
gcry_md_close(*(md));
|
|
}
|
|
|
|
/* md5 /sha abstraction layer */
|
|
#define SSL_SHA_CTX gcry_md_hd_t
|
|
#define SSL_MD5_CTX gcry_md_hd_t
|
|
|
|
static inline void
|
|
ssl_sha_init(SSL_SHA_CTX* md)
|
|
{
|
|
gcry_md_open(md,GCRY_MD_SHA1, 0);
|
|
}
|
|
static inline void
|
|
ssl_sha_update(SSL_SHA_CTX* md, guchar* data, gint len)
|
|
{
|
|
gcry_md_write(*(md), data, len);
|
|
}
|
|
static inline void
|
|
ssl_sha_final(guchar* buf, SSL_SHA_CTX* md)
|
|
{
|
|
memcpy(buf, gcry_md_read(*(md), GCRY_MD_SHA1),
|
|
gcry_md_get_algo_dlen(GCRY_MD_SHA1));
|
|
}
|
|
static inline void
|
|
ssl_sha_cleanup(SSL_SHA_CTX* md)
|
|
{
|
|
gcry_md_close(*(md));
|
|
}
|
|
|
|
static inline gint
|
|
ssl_md5_init(SSL_MD5_CTX* md)
|
|
{
|
|
return gcry_md_open(md,GCRY_MD_MD5, 0);
|
|
}
|
|
static inline void
|
|
ssl_md5_update(SSL_MD5_CTX* md, guchar* data, gint len)
|
|
{
|
|
gcry_md_write(*(md), data, len);
|
|
}
|
|
static inline void
|
|
ssl_md5_final(guchar* buf, SSL_MD5_CTX* md)
|
|
{
|
|
memcpy(buf, gcry_md_read(*(md), GCRY_MD_MD5),
|
|
gcry_md_get_algo_dlen(GCRY_MD_MD5));
|
|
}
|
|
static inline void
|
|
ssl_md5_cleanup(SSL_MD5_CTX* md)
|
|
{
|
|
gcry_md_close(*(md));
|
|
}
|
|
|
|
gint
|
|
ssl_cipher_setiv(SSL_CIPHER_CTX *cipher, guchar* iv, gint iv_len)
|
|
{
|
|
gint ret;
|
|
#if 0
|
|
guchar *ivp;
|
|
gint i;
|
|
gcry_cipher_hd_t c;
|
|
c=(gcry_cipher_hd_t)*cipher;
|
|
#endif
|
|
ssl_debug_printf("--------------------------------------------------------------------");
|
|
#if 0
|
|
for(ivp=c->iv,i=0; i < iv_len; i++ )
|
|
{
|
|
ssl_debug_printf("%d ",ivp[i]);
|
|
i++;
|
|
}
|
|
#endif
|
|
ssl_debug_printf("--------------------------------------------------------------------");
|
|
ret = gcry_cipher_setiv(*(cipher), iv, iv_len);
|
|
#if 0
|
|
for(ivp=c->iv,i=0; i < iv_len; i++ )
|
|
{
|
|
ssl_debug_printf("%d ",ivp[i]);
|
|
i++;
|
|
}
|
|
#endif
|
|
ssl_debug_printf("--------------------------------------------------------------------");
|
|
return ret;
|
|
}
|
|
/* stream cipher abstraction layer*/
|
|
static gint
|
|
ssl_cipher_init(gcry_cipher_hd_t *cipher, gint algo, guchar* sk,
|
|
guchar* iv, gint mode)
|
|
{
|
|
gint gcry_modes[]={GCRY_CIPHER_MODE_STREAM,GCRY_CIPHER_MODE_CBC};
|
|
gint err;
|
|
if (algo == -1) {
|
|
/* NULL mode */
|
|
*(cipher) = (gcry_cipher_hd_t)-1;
|
|
return 0;
|
|
}
|
|
err = gcry_cipher_open(cipher, algo, gcry_modes[mode], 0);
|
|
if (err !=0)
|
|
return -1;
|
|
err = gcry_cipher_setkey(*(cipher), sk, gcry_cipher_get_algo_keylen (algo));
|
|
if (err != 0)
|
|
return -1;
|
|
err = gcry_cipher_setiv(*(cipher), iv, gcry_cipher_get_algo_blklen (algo));
|
|
if (err != 0)
|
|
return -1;
|
|
return 0;
|
|
}
|
|
static inline gint
|
|
ssl_cipher_decrypt(gcry_cipher_hd_t *cipher, guchar * out, gint outl,
|
|
const guchar * in, gint inl)
|
|
{
|
|
if ((*cipher) == (gcry_cipher_hd_t)-1)
|
|
{
|
|
if (in && inl)
|
|
memcpy(out, in, outl < inl ? outl : inl);
|
|
return 0;
|
|
}
|
|
return gcry_cipher_decrypt ( *(cipher), out, outl, in, inl);
|
|
}
|
|
static inline gint
|
|
ssl_get_digest_by_name(const gchar*name)
|
|
{
|
|
return gcry_md_map_name(name);
|
|
}
|
|
static inline gint
|
|
ssl_get_cipher_by_name(const gchar* name)
|
|
{
|
|
return gcry_cipher_map_name(name);
|
|
}
|
|
|
|
static inline void
|
|
ssl_cipher_cleanup(gcry_cipher_hd_t *cipher)
|
|
{
|
|
if ((*cipher) != (gcry_cipher_hd_t)-1)
|
|
gcry_cipher_close(*cipher);
|
|
*cipher = NULL;
|
|
}
|
|
|
|
/* private key abstraction layer */
|
|
static inline gint
|
|
ssl_get_key_len(SSL_PRIVATE_KEY* pk) {return gcry_pk_get_nbits (pk); }
|
|
|
|
gcry_err_code_t
|
|
_gcry_rsa_decrypt (int algo, gcry_mpi_t *result, gcry_mpi_t *data,
|
|
gcry_mpi_t *skey, gint flags);
|
|
|
|
#define PUBKEY_FLAG_NO_BLINDING (1 << 0)
|
|
|
|
const gchar*
|
|
ssl_private_key_to_str(SSL_PRIVATE_KEY* pk)
|
|
{
|
|
const gchar *str = "NULL";
|
|
size_t n;
|
|
gchar *buf;
|
|
|
|
if (!pk) return str;
|
|
#ifndef SSL_FAST
|
|
n = gcry_sexp_sprint(pk, GCRYSEXP_FMT_ADVANCED, NULL, 0);
|
|
buf = ep_alloc(n);
|
|
/*n = gcry_sexp_sprint(pk, GCRYSEXP_FMT_ADVANCED, buf, n);*/
|
|
str = buf;
|
|
#else /* SSL_FAST */
|
|
str = "TO DO: dump mpi gcry_mpi_print()";
|
|
#endif /* SSL_FAST */
|
|
|
|
return str;
|
|
}
|
|
|
|
/* decrypt data with private key. Store decrypted data directly into input
|
|
* buffer */
|
|
int
|
|
ssl_private_decrypt(guint len, guchar* encr_data, SSL_PRIVATE_KEY* pk)
|
|
{
|
|
gint rc;
|
|
size_t decr_len;
|
|
gcry_sexp_t s_data, s_plain;
|
|
gcry_mpi_t encr_mpi;
|
|
size_t i, encr_len;
|
|
guchar* decr_data_ptr;
|
|
gcry_mpi_t text;
|
|
decr_len = 0;
|
|
encr_len = len;
|
|
text = NULL;
|
|
|
|
/* build up a mpi rappresentation for encrypted data */
|
|
rc = gcry_mpi_scan(&encr_mpi, GCRYMPI_FMT_USG,encr_data, encr_len, &encr_len);
|
|
if (rc != 0 ) {
|
|
ssl_debug_printf("pcry_private_decrypt: can't convert encr_data to mpi (size %d):%s\n",
|
|
len, gcry_strerror(rc));
|
|
return 0;
|
|
}
|
|
|
|
/*ssl_debug_printf("pcry_private_decrypt: pk=%s\n", ssl_private_key_to_str(pk));*/
|
|
|
|
#ifndef SSL_FAST
|
|
/* put the data into a simple list */
|
|
rc = gcry_sexp_build(&s_data, NULL, "(enc-val(rsa(a%m)))", encr_mpi);
|
|
if (rc != 0) {
|
|
ssl_debug_printf("pcry_private_decrypt: can't build encr_sexp:%s \n",
|
|
gcry_strerror(rc));
|
|
return 0;
|
|
}
|
|
|
|
/* pass it to libgcrypt */
|
|
rc = gcry_pk_decrypt(&s_plain, s_data, pk);
|
|
gcry_sexp_release(s_data);
|
|
if (rc != 0)
|
|
{
|
|
ssl_debug_printf("pcry_private_decrypt: can't decrypt key:%s\n",
|
|
gcry_strerror(rc));
|
|
goto out;
|
|
}
|
|
|
|
/* convert plain text sexp to mpi format */
|
|
text = gcry_sexp_nth_mpi(s_plain, 0, 0);
|
|
|
|
/* compute size requested for plaintext buffer */
|
|
decr_len = len;
|
|
if (gcry_mpi_print(GCRYMPI_FMT_USG, NULL, decr_len, &decr_len, text) != 0) {
|
|
ssl_debug_printf("pcry_private_decrypt: can't compute decr size:%s\n",
|
|
gcry_strerror(rc));
|
|
decr_len = 0;
|
|
goto out;
|
|
}
|
|
|
|
/* sanity check on out buffer */
|
|
if (decr_len > len) {
|
|
ssl_debug_printf("pcry_private_decrypt: decrypted data is too long ?!? (%" G_GSIZE_MODIFIER "u max %d)\n",
|
|
decr_len, len);
|
|
return 0;
|
|
}
|
|
|
|
/* write plain text to encrypted data buffer */
|
|
decr_data_ptr = encr_data;
|
|
if (gcry_mpi_print( GCRYMPI_FMT_USG, decr_data_ptr, decr_len, &decr_len,
|
|
text) != 0) {
|
|
ssl_debug_printf("pcry_private_decrypt: can't print decr data to mpi (size %" G_GSIZE_MODIFIER "u):%s\n",
|
|
decr_len, gcry_strerror(rc));
|
|
g_free(decr_data_ptr);
|
|
decr_len = 0;
|
|
goto out;
|
|
}
|
|
|
|
/* strip the padding*/
|
|
rc = 0;
|
|
for (i = 1; i < decr_len; i++) {
|
|
if (decr_data_ptr[i] == 0) {
|
|
rc = (gint) i+1;
|
|
break;
|
|
}
|
|
}
|
|
|
|
ssl_debug_printf("pcry_private_decrypt: stripping %d bytes, decr_len %" G_GSIZE_MODIFIER "u\n",
|
|
rc, decr_len);
|
|
ssl_print_data("decrypted_unstrip_pre_master", decr_data_ptr, decr_len);
|
|
g_memmove(decr_data_ptr, &decr_data_ptr[rc], decr_len - rc);
|
|
decr_len -= rc;
|
|
|
|
out:
|
|
gcry_sexp_release(s_plain);
|
|
#else /* SSL_FAST */
|
|
rc = _gcry_rsa_decrypt(0, &text, &encr_mpi, pk,0);
|
|
gcry_mpi_print( GCRYMPI_FMT_USG, 0, 0, &decr_len, text);
|
|
|
|
/* sanity check on out buffer */
|
|
if (decr_len > len) {
|
|
ssl_debug_printf("pcry_private_decrypt: decrypted data is too long ?!? (%d max %d)\n",
|
|
decr_len, len);
|
|
return 0;
|
|
}
|
|
|
|
/* write plain text to newly allocated buffer */
|
|
decr_data_ptr = encr_data;
|
|
if (gcry_mpi_print( GCRYMPI_FMT_USG, decr_data_ptr, decr_len, &decr_len,
|
|
text) != 0) {
|
|
ssl_debug_printf("pcry_private_decrypt: can't print decr data to mpi (size %d):%s\n",
|
|
decr_len, gcry_strerror(rc));
|
|
return 0;
|
|
}
|
|
|
|
/* strip the padding*/
|
|
rc = 0;
|
|
for (i = 1; i < decr_len; i++) {
|
|
if (decr_data_ptr[i] == 0) {
|
|
rc = i+1;
|
|
break;
|
|
}
|
|
}
|
|
|
|
ssl_debug_printf("pcry_private_decrypt: stripping %d bytes, decr_len %d\n",
|
|
rc, decr_len);
|
|
ssl_print_data("decrypted_unstrip_pre_master", decr_data_ptr, decr_len);
|
|
g_memmove(decr_data_ptr, &decr_data_ptr[rc], decr_len - rc);
|
|
decr_len -= rc;
|
|
#endif /* SSL_FAST */
|
|
gcry_mpi_release(text);
|
|
return (int) decr_len;
|
|
}
|
|
|
|
/* stringinfo interface */
|
|
static gint
|
|
ssl_data_realloc(StringInfo* str, guint len)
|
|
{
|
|
str->data = g_realloc(str->data, len);
|
|
if (!str->data)
|
|
return -1;
|
|
str->data_len = len;
|
|
return 0;
|
|
}
|
|
|
|
static gint
|
|
ssl_data_copy(StringInfo* dst, StringInfo* src)
|
|
{
|
|
if (dst->data_len < src->data_len) {
|
|
if (ssl_data_realloc(dst, src->data_len))
|
|
return -1;
|
|
}
|
|
memcpy(dst->data, src->data, src->data_len);
|
|
dst->data_len = src->data_len;
|
|
return 0;
|
|
}
|
|
|
|
static const gchar *digests[]={
|
|
"MD5",
|
|
"SHA1",
|
|
"SHA256",
|
|
"SHA384"
|
|
};
|
|
|
|
static const gchar *ciphers[]={
|
|
"DES",
|
|
"3DES",
|
|
"ARCFOUR", /* gnutls does not support rc4, but this should be 100% compatible*/
|
|
"RC2",
|
|
"IDEA",
|
|
"AES",
|
|
"AES256",
|
|
"*UNKNOWN*"
|
|
};
|
|
|
|
static SslCipherSuite cipher_suites[]={
|
|
{1,KEX_RSA,SIG_RSA,ENC_NULL,1,0,0,DIG_MD5,16,0, SSL_CIPHER_MODE_STREAM},
|
|
{2,KEX_RSA,SIG_RSA,ENC_NULL,1,0,0,DIG_SHA,20,0, SSL_CIPHER_MODE_STREAM},
|
|
{3,KEX_RSA,SIG_RSA,ENC_RC4,1,128,40,DIG_MD5,16,1, SSL_CIPHER_MODE_STREAM},
|
|
{4,KEX_RSA,SIG_RSA,ENC_RC4,1,128,128,DIG_MD5,16,0, SSL_CIPHER_MODE_STREAM},
|
|
{5,KEX_RSA,SIG_RSA,ENC_RC4,1,128,128,DIG_SHA,20,0, SSL_CIPHER_MODE_STREAM},
|
|
{6,KEX_RSA,SIG_RSA,ENC_RC2,8,128,40,DIG_SHA,20,1, SSL_CIPHER_MODE_STREAM},
|
|
{7,KEX_RSA,SIG_RSA,ENC_IDEA,8,128,128,DIG_SHA,20,0, SSL_CIPHER_MODE_STREAM},
|
|
{8,KEX_RSA,SIG_RSA,ENC_DES,8,64,40,DIG_SHA,20,1, SSL_CIPHER_MODE_CBC},
|
|
{9,KEX_RSA,SIG_RSA,ENC_DES,8,64,64,DIG_SHA,20,0, SSL_CIPHER_MODE_CBC},
|
|
{10,KEX_RSA,SIG_RSA,ENC_3DES,8,192,192,DIG_SHA,20,0, SSL_CIPHER_MODE_CBC},
|
|
{11,KEX_DH,SIG_DSS,ENC_DES,8,64,40,DIG_SHA,20,1, SSL_CIPHER_MODE_CBC},
|
|
{12,KEX_DH,SIG_DSS,ENC_DES,8,64,64,DIG_SHA,20,0, SSL_CIPHER_MODE_CBC},
|
|
{13,KEX_DH,SIG_DSS,ENC_3DES,8,192,192,DIG_SHA,20,0, SSL_CIPHER_MODE_CBC},
|
|
{14,KEX_DH,SIG_RSA,ENC_DES,8,64,40,DIG_SHA,20,1, SSL_CIPHER_MODE_CBC},
|
|
{15,KEX_DH,SIG_RSA,ENC_DES,8,64,64,DIG_SHA,20,0, SSL_CIPHER_MODE_CBC},
|
|
{16,KEX_DH,SIG_RSA,ENC_3DES,8,192,192,DIG_SHA,20,0, SSL_CIPHER_MODE_CBC},
|
|
{17,KEX_DH,SIG_DSS,ENC_DES,8,64,40,DIG_SHA,20,1, SSL_CIPHER_MODE_CBC},
|
|
{18,KEX_DH,SIG_DSS,ENC_DES,8,64,64,DIG_SHA,20,0, SSL_CIPHER_MODE_CBC},
|
|
{19,KEX_DH,SIG_DSS,ENC_3DES,8,192,192,DIG_SHA,20,0, SSL_CIPHER_MODE_CBC},
|
|
{20,KEX_DH,SIG_RSA,ENC_DES,8,64,40,DIG_SHA,20,1, SSL_CIPHER_MODE_CBC},
|
|
{21,KEX_DH,SIG_RSA,ENC_DES,8,64,64,DIG_SHA,20,0, SSL_CIPHER_MODE_CBC},
|
|
{22,KEX_DH,SIG_RSA,ENC_3DES,8,192,192,DIG_SHA,20,0, SSL_CIPHER_MODE_CBC},
|
|
{23,KEX_DH,SIG_NONE,ENC_RC4,1,128,40,DIG_MD5,16,1, SSL_CIPHER_MODE_STREAM},
|
|
{24,KEX_DH,SIG_NONE,ENC_RC4,1,128,128,DIG_MD5,16,0, SSL_CIPHER_MODE_STREAM},
|
|
{25,KEX_DH,SIG_NONE,ENC_DES,8,64,40,DIG_MD5,16,1, SSL_CIPHER_MODE_CBC},
|
|
{26,KEX_DH,SIG_NONE,ENC_DES,8,64,64,DIG_MD5,16,0, SSL_CIPHER_MODE_CBC},
|
|
{27,KEX_DH,SIG_NONE,ENC_3DES,8,192,192,DIG_MD5,16,0, SSL_CIPHER_MODE_CBC},
|
|
{47,KEX_RSA,SIG_RSA,ENC_AES,16,128,128,DIG_SHA,20,0, SSL_CIPHER_MODE_CBC},
|
|
{48,KEX_DH,SIG_DSS,ENC_AES,16,128,128,DIG_SHA,20,0, SSL_CIPHER_MODE_CBC}, /* TLS_DH_DSS_WITH_AES_128_CBC_SHA */
|
|
{49,KEX_DH,SIG_RSA,ENC_AES,16,128,128,DIG_SHA,20,0, SSL_CIPHER_MODE_CBC}, /* TLS_DH_RSA_WITH_AES_128_CBC_SHA */
|
|
{50,KEX_DH,SIG_DSS,ENC_AES,16,128,128,DIG_SHA,20,0, SSL_CIPHER_MODE_CBC}, /* TLS_DHE_DSS_WITH_AES_128_CBC_SHA */
|
|
{51,KEX_DH, SIG_RSA,ENC_AES,16,128,128,DIG_SHA,20,0, SSL_CIPHER_MODE_CBC},
|
|
{52,KEX_DH,SIG_NONE,ENC_AES,16,128,128,DIG_SHA,20,0, SSL_CIPHER_MODE_CBC}, /* TLS_DH_anon_WITH_AES_128_CBC_SHA */
|
|
{53,KEX_RSA,SIG_RSA,ENC_AES256,16,256,256,DIG_SHA,20,0, SSL_CIPHER_MODE_CBC},
|
|
{54,KEX_DH,SIG_DSS,ENC_AES256,16,256,256,DIG_SHA,20,0, SSL_CIPHER_MODE_CBC}, /* TLS_DH_DSS_WITH_AES_256_CBC_SHA */
|
|
{55,KEX_DH,SIG_RSA,ENC_AES256,16,256,256,DIG_SHA,20,0, SSL_CIPHER_MODE_CBC}, /* TLS_DH_RSA_WITH_AES_256_CBC_SHA */
|
|
{56,KEX_DH,SIG_DSS,ENC_AES256,16,256,256,DIG_SHA,20,0, SSL_CIPHER_MODE_CBC}, /* TLS_DHE_DSS_WITH_AES_256_CBC_SHA */
|
|
{57,KEX_DH,SIG_RSA,ENC_AES256,16,256,256,DIG_SHA,20,0, SSL_CIPHER_MODE_CBC}, /* TLS_DHE_RSA_WITH_AES_256_CBC_SHA */
|
|
{58,KEX_DH,SIG_NONE,ENC_AES256,16,256,256,DIG_SHA,20,0, SSL_CIPHER_MODE_CBC}, /* TLS_DH_anon_WITH_AES_256_CBC_SHA */
|
|
{59,KEX_RSA,SIG_RSA,ENC_NULL,1,0,0,DIG_SHA256,32,0, SSL_CIPHER_MODE_STREAM},
|
|
{60,KEX_RSA,SIG_RSA,ENC_AES,16,128,128,DIG_SHA256,32,0, SSL_CIPHER_MODE_CBC},
|
|
{61,KEX_RSA,SIG_RSA,ENC_AES256,16,256,256,DIG_SHA256,32,0, SSL_CIPHER_MODE_CBC},
|
|
{62,KEX_DH,SIG_DSS,ENC_AES,16,128,128,DIG_SHA256,32,0, SSL_CIPHER_MODE_CBC}, /* TLS_DH_DSS_WITH_AES_128_CBC_SHA256 */
|
|
{63,KEX_DH,SIG_RSA,ENC_AES,16,128,128,DIG_SHA256,32,0, SSL_CIPHER_MODE_CBC}, /* TLS_DH_RSA_WITH_AES_128_CBC_SHA256 */
|
|
{64,KEX_DH,SIG_DSS,ENC_AES,16,128,128,DIG_SHA256,32,0, SSL_CIPHER_MODE_CBC}, /* TLS_DHE_DSS_WITH_AES_128_CBC_SHA256 */
|
|
{96,KEX_RSA,SIG_RSA,ENC_RC4,1,128,56,DIG_MD5,16,1, SSL_CIPHER_MODE_STREAM},
|
|
{97,KEX_RSA,SIG_RSA,ENC_RC2,1,128,56,DIG_MD5,16,1, SSL_CIPHER_MODE_STREAM},
|
|
{98,KEX_RSA,SIG_RSA,ENC_DES,8,64,64,DIG_SHA,20,1, SSL_CIPHER_MODE_STREAM},
|
|
{99,KEX_DH,SIG_DSS,ENC_DES,8,64,64,DIG_SHA,16,1, SSL_CIPHER_MODE_CBC},
|
|
{100,KEX_RSA,SIG_RSA,ENC_RC4,1,128,56,DIG_SHA,20,1, SSL_CIPHER_MODE_STREAM},
|
|
{101,KEX_DH,SIG_DSS,ENC_RC4,1,128,56,DIG_SHA,20,1, SSL_CIPHER_MODE_STREAM},
|
|
{102,KEX_DH,SIG_DSS,ENC_RC4,1,128,128,DIG_SHA,20,0, SSL_CIPHER_MODE_STREAM},
|
|
{103,KEX_DH,SIG_RSA,ENC_AES,16,128,128,DIG_SHA256,32,0, SSL_CIPHER_MODE_CBC}, /* TLS_DHE_RSA_WITH_AES_128_CBC_SHA256 */
|
|
{104,KEX_DH,SIG_DSS,ENC_AES256,16,256,256,DIG_SHA256,32,0, SSL_CIPHER_MODE_CBC}, /* TLS_DH_DSS_WITH_AES_256_CBC_SHA256 */
|
|
{105,KEX_DH,SIG_RSA,ENC_AES256,16,256,256,DIG_SHA256,32,0, SSL_CIPHER_MODE_CBC}, /* TLS_DH_RSA_WITH_AES_256_CBC_SHA256 */
|
|
{106,KEX_DH,SIG_DSS,ENC_AES256,16,256,256,DIG_SHA256,32,0, SSL_CIPHER_MODE_CBC}, /* TLS_DHE_DSS_WITH_AES_256_CBC_SHA256 */
|
|
{107,KEX_DH,SIG_RSA,ENC_AES256,16,256,256,DIG_SHA256,32,0, SSL_CIPHER_MODE_CBC},
|
|
{108,KEX_DH,SIG_NONE,ENC_AES,16,128,128,DIG_SHA256,32,0, SSL_CIPHER_MODE_CBC}, /* TLS_DH_anon_WITH_AES_128_CBC_SHA256 */
|
|
{109,KEX_DH,SIG_NONE,ENC_AES256,16,256,256,DIG_SHA256,32,0, SSL_CIPHER_MODE_CBC}, /* TLS_DH_anon_WITH_AES_256_CBC_SHA256 */
|
|
/*{138,KEX_PSK,SIG_RSA,ENC_RC4,16,128,128,DIG_SHA,20,0, SSL_CIPHER_MODE_CBC},*/
|
|
{139,KEX_PSK,SIG_RSA,ENC_3DES,8,192,192,DIG_SHA,20,0, SSL_CIPHER_MODE_CBC},
|
|
{140,KEX_PSK,SIG_RSA,ENC_AES,16,128,128,DIG_SHA,20,0, SSL_CIPHER_MODE_CBC},
|
|
{141,KEX_PSK,SIG_RSA,ENC_AES256,16,256,256,DIG_SHA,20,0, SSL_CIPHER_MODE_CBC},
|
|
{49169,KEX_DH,SIG_RSA,ENC_RC4,1,128,128,DIG_SHA,20,0, SSL_CIPHER_MODE_STREAM}, /* TLS_ECDHE_RSA_WITH_RC4_128_SHA */
|
|
{49187,KEX_DH,SIG_DSS,ENC_AES,16,128,128,DIG_SHA256,32,0, SSL_CIPHER_MODE_CBC}, /* TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256 */
|
|
{49188,KEX_DH,SIG_DSS,ENC_AES256,16,256,256,DIG_SHA384,48,0, SSL_CIPHER_MODE_CBC}, /* TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384 */
|
|
{49189,KEX_DH,SIG_DSS,ENC_AES,16,128,128,DIG_SHA256,32,0, SSL_CIPHER_MODE_CBC}, /* TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA256 */
|
|
{49190,KEX_DH,SIG_DSS,ENC_AES256,16,256,256,DIG_SHA384,48,0, SSL_CIPHER_MODE_CBC}, /* TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA384 */
|
|
{49191,KEX_DH,SIG_RSA,ENC_AES,16,128,128,DIG_SHA256,32,0, SSL_CIPHER_MODE_CBC}, /* TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256 */
|
|
{49192,KEX_DH,SIG_RSA,ENC_AES256,16,256,256,DIG_SHA384,48,0, SSL_CIPHER_MODE_CBC}, /* TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384 */
|
|
{49193,KEX_DH,SIG_RSA,ENC_AES,16,128,128,DIG_SHA256,32,0, SSL_CIPHER_MODE_CBC}, /* TLS_ECDH_RSA_WITH_AES_128_CBC_SHA256 */
|
|
{49194,KEX_DH,SIG_RSA,ENC_AES256,16,256,256,DIG_SHA384,48,0, SSL_CIPHER_MODE_CBC}, /* TLS_ECDH_RSA_WITH_AES_256_CBC_SHA384 */
|
|
{-1, 0,0,0,0,0,0,0,0,0, 0}
|
|
};
|
|
|
|
#define MAX_BLOCK_SIZE 16
|
|
#define MAX_KEY_SIZE 32
|
|
|
|
int
|
|
ssl_find_cipher(int num,SslCipherSuite* cs)
|
|
{
|
|
SslCipherSuite *c;
|
|
|
|
for(c=cipher_suites;c->number!=-1;c++){
|
|
if(c->number==num){
|
|
*cs=*c;
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
return -1;
|
|
}
|
|
|
|
static gint
|
|
tls_hash(StringInfo* secret, StringInfo* seed, gint md, StringInfo* out)
|
|
{
|
|
guint8 *ptr;
|
|
guint left;
|
|
gint tocpy;
|
|
guint8 *A;
|
|
guint8 _A[48],tmp[48];
|
|
guint A_l,tmp_l;
|
|
SSL_HMAC hm;
|
|
ptr = out->data;
|
|
left = out->data_len;
|
|
|
|
|
|
ssl_print_string("tls_hash: hash secret", secret);
|
|
ssl_print_string("tls_hash: hash seed", seed);
|
|
A=seed->data;
|
|
A_l=seed->data_len;
|
|
|
|
while(left){
|
|
ssl_hmac_init(&hm,secret->data,secret->data_len,md);
|
|
ssl_hmac_update(&hm,A,A_l);
|
|
ssl_hmac_final(&hm,_A,&A_l);
|
|
ssl_hmac_cleanup(&hm);
|
|
A=_A;
|
|
|
|
ssl_hmac_init(&hm,secret->data,secret->data_len,md);
|
|
ssl_hmac_update(&hm,A,A_l);
|
|
ssl_hmac_update(&hm,seed->data,seed->data_len);
|
|
ssl_hmac_final(&hm,tmp,&tmp_l);
|
|
ssl_hmac_cleanup(&hm);
|
|
|
|
tocpy=MIN(left,tmp_l);
|
|
memcpy(ptr,tmp,tocpy);
|
|
ptr+=tocpy;
|
|
left-=tocpy;
|
|
}
|
|
|
|
ssl_print_string("hash out", out);
|
|
return (0);
|
|
}
|
|
|
|
static gint
|
|
tls_prf(StringInfo* secret, const gchar *usage,
|
|
StringInfo* rnd1, StringInfo* rnd2, StringInfo* out)
|
|
{
|
|
StringInfo seed, sha_out, md5_out;
|
|
guint8 *ptr;
|
|
StringInfo s1, s2;
|
|
guint i,s_l, r;
|
|
size_t usage_len;
|
|
r = -1;
|
|
usage_len = strlen(usage);
|
|
|
|
/* initalize buffer for sha, md5 random seed*/
|
|
if (ssl_data_alloc(&sha_out, MAX(out->data_len,20)) < 0) {
|
|
ssl_debug_printf("tls_prf: can't allocate sha out\n");
|
|
return -1;
|
|
}
|
|
if (ssl_data_alloc(&md5_out, MAX(out->data_len,16)) < 0) {
|
|
ssl_debug_printf("tls_prf: can't allocate md5 out\n");
|
|
goto free_sha;
|
|
}
|
|
if (ssl_data_alloc(&seed, usage_len+rnd1->data_len+rnd2->data_len) < 0) {
|
|
ssl_debug_printf("tls_prf: can't allocate rnd %d\n",
|
|
(int) (usage_len+rnd1->data_len+rnd2->data_len));
|
|
goto free_md5;
|
|
}
|
|
|
|
ptr=seed.data;
|
|
memcpy(ptr,usage,usage_len);
|
|
ptr+=usage_len;
|
|
memcpy(ptr,rnd1->data,rnd1->data_len);
|
|
ptr+=rnd1->data_len;
|
|
memcpy(ptr,rnd2->data,rnd2->data_len);
|
|
/*ptr+=rnd2->data_len;*/
|
|
|
|
/* initalize buffer for client/server seeds*/
|
|
s_l=secret->data_len/2 + secret->data_len%2;
|
|
if (ssl_data_alloc(&s1, s_l) < 0) {
|
|
ssl_debug_printf("tls_prf: can't allocate secret %d\n", s_l);
|
|
goto free_seed;
|
|
}
|
|
if (ssl_data_alloc(&s2, s_l) < 0) {
|
|
ssl_debug_printf("tls_prf: can't allocate secret(2) %d\n", s_l);
|
|
goto free_s1;
|
|
}
|
|
|
|
memcpy(s1.data,secret->data,s_l);
|
|
memcpy(s2.data,secret->data + (secret->data_len - s_l),s_l);
|
|
|
|
ssl_debug_printf("tls_prf: tls_hash(md5 secret_len %d seed_len %d )\n", s1.data_len, seed.data_len);
|
|
if(tls_hash(&s1,&seed,ssl_get_digest_by_name("MD5"),&md5_out) != 0)
|
|
goto free_all;
|
|
ssl_debug_printf("tls_prf: tls_hash(sha)\n");
|
|
if(tls_hash(&s2,&seed,ssl_get_digest_by_name("SHA1"),&sha_out) != 0)
|
|
goto free_all;
|
|
|
|
for(i=0;i<out->data_len;i++)
|
|
out->data[i]=md5_out.data[i] ^ sha_out.data[i];
|
|
r =0;
|
|
|
|
ssl_print_string("PRF out",out);
|
|
free_all:
|
|
g_free(s2.data);
|
|
free_s1:
|
|
g_free(s1.data);
|
|
free_seed:
|
|
g_free(seed.data);
|
|
free_md5:
|
|
g_free(md5_out.data);
|
|
free_sha:
|
|
g_free(sha_out.data);
|
|
return r;
|
|
}
|
|
|
|
static gint
|
|
tls12_prf(gint md, StringInfo* secret, const gchar* usage, StringInfo* rnd1, StringInfo* rnd2, StringInfo* out)
|
|
{
|
|
StringInfo label_seed;
|
|
size_t usage_len;
|
|
|
|
usage_len = strlen(usage);
|
|
if (ssl_data_alloc(&label_seed, usage_len+rnd1->data_len+rnd2->data_len) < 0) {
|
|
ssl_debug_printf("tls12_prf: can't allocate label_seed\n");
|
|
return -1;
|
|
}
|
|
memcpy(label_seed.data, usage, usage_len);
|
|
memcpy(label_seed.data+usage_len, rnd1->data, rnd1->data_len);
|
|
memcpy(label_seed.data+usage_len+rnd1->data_len, rnd2->data, rnd2->data_len);
|
|
|
|
ssl_debug_printf("tls12_prf: tls_hash(hash_alg %s secret_len %d seed_len %d )\n", gcry_md_algo_name(md), secret->data_len, label_seed.data_len);
|
|
if (tls_hash(secret, &label_seed, md, out) != 0){
|
|
g_free(label_seed.data);
|
|
return -1;
|
|
}
|
|
ssl_print_string("PRF out", out);
|
|
return 0;
|
|
}
|
|
|
|
static gint
|
|
ssl3_generate_export_iv(StringInfo* r1,
|
|
StringInfo* r2, StringInfo* out)
|
|
{
|
|
SSL_MD5_CTX md5;
|
|
guint8 tmp[16];
|
|
|
|
ssl_md5_init(&md5);
|
|
ssl_md5_update(&md5,r1->data,r1->data_len);
|
|
ssl_md5_update(&md5,r2->data,r2->data_len);
|
|
ssl_md5_final(tmp,&md5);
|
|
ssl_md5_cleanup(&md5);
|
|
|
|
memcpy(out->data,tmp,out->data_len);
|
|
ssl_print_string("export iv", out);
|
|
|
|
return(0);
|
|
}
|
|
|
|
static gint
|
|
ssl3_prf(StringInfo* secret, const gchar* usage,
|
|
StringInfo* r1,
|
|
StringInfo* r2,StringInfo* out)
|
|
{
|
|
SSL_MD5_CTX md5;
|
|
SSL_SHA_CTX sha;
|
|
StringInfo *rnd1,*rnd2;
|
|
guint off;
|
|
gint i = 0,j;
|
|
guint8 buf[20];
|
|
|
|
rnd1=r1; rnd2=r2;
|
|
|
|
for(off=0;off<out->data_len;off+=16){
|
|
guchar outbuf[16];
|
|
gint tocpy;
|
|
i++;
|
|
|
|
ssl_debug_printf("ssl3_prf: sha1_hash(%d)\n",i);
|
|
/* A, BB, CCC, ... */
|
|
for(j=0;j<i;j++){
|
|
buf[j]=64+i;
|
|
}
|
|
|
|
ssl_sha_init(&sha);
|
|
ssl_sha_update(&sha,buf,i);
|
|
ssl_sha_update(&sha,secret->data,secret->data_len);
|
|
|
|
if(!strcmp(usage,"client write key") || !strcmp(usage,"server write key")){
|
|
ssl_sha_update(&sha,rnd2->data,rnd2->data_len);
|
|
ssl_sha_update(&sha,rnd1->data,rnd1->data_len);
|
|
}
|
|
else{
|
|
ssl_sha_update(&sha,rnd1->data,rnd1->data_len);
|
|
ssl_sha_update(&sha,rnd2->data,rnd2->data_len);
|
|
}
|
|
|
|
ssl_sha_final(buf,&sha);
|
|
ssl_sha_cleanup(&sha);
|
|
|
|
ssl_debug_printf("ssl3_prf: md5_hash(%d) datalen %d\n",i,
|
|
secret->data_len);
|
|
ssl_md5_init(&md5);
|
|
ssl_md5_update(&md5,secret->data,secret->data_len);
|
|
ssl_md5_update(&md5,buf,20);
|
|
ssl_md5_final(outbuf,&md5);
|
|
ssl_md5_cleanup(&md5);
|
|
|
|
tocpy=MIN(out->data_len-off,16);
|
|
memcpy(out->data+off,outbuf,tocpy);
|
|
}
|
|
|
|
return(0);
|
|
}
|
|
|
|
static gint prf(SslDecryptSession* ssl,StringInfo* secret,gchar* usage,StringInfo* rnd1,StringInfo* rnd2,StringInfo* out)
|
|
{
|
|
gint ret;
|
|
if (ssl->version_netorder==SSLV3_VERSION){
|
|
ret = ssl3_prf(secret,usage,rnd1,rnd2,out);
|
|
}else if (ssl->version_netorder==TLSV1_VERSION || ssl->version_netorder==TLSV1DOT1_VERSION ||
|
|
ssl->version_netorder==DTLSV1DOT0_VERSION || ssl->version_netorder==DTLSV1DOT2_VERSION ||
|
|
ssl->version_netorder==DTLSV1DOT0_VERSION_NOT){
|
|
ret = tls_prf(secret,usage,rnd1,rnd2,out);
|
|
}else{
|
|
if (ssl->cipher_suite.dig == DIG_SHA384){
|
|
ret = tls12_prf(GCRY_MD_SHA384, secret, usage, rnd1, rnd2, out);
|
|
}else{
|
|
ret = tls12_prf(GCRY_MD_SHA256, secret, usage, rnd1, rnd2, out);
|
|
}
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
static SslFlow*
|
|
ssl_create_flow(void)
|
|
{
|
|
SslFlow *flow;
|
|
|
|
flow = se_alloc(sizeof(SslFlow));
|
|
flow->byte_seq = 0;
|
|
flow->flags = 0;
|
|
flow->multisegment_pdus = se_tree_create_non_persistent(EMEM_TREE_TYPE_RED_BLACK, "ssl_multisegment_pdus");
|
|
return flow;
|
|
}
|
|
|
|
#ifdef HAVE_LIBZ
|
|
/* memory allocation functions for zlib initialization */
|
|
static void* ssl_zalloc(void* opaque _U_, unsigned int no, unsigned int size)
|
|
{
|
|
return g_malloc0(no*size);
|
|
}
|
|
static void ssl_zfree(void* opaque _U_, void* addr)
|
|
{
|
|
g_free(addr);
|
|
}
|
|
#endif
|
|
|
|
static SslDecompress*
|
|
ssl_create_decompressor(gint compression)
|
|
{
|
|
SslDecompress *decomp;
|
|
#ifdef HAVE_LIBZ
|
|
int err;
|
|
#endif
|
|
|
|
if (compression == 0) return NULL;
|
|
ssl_debug_printf("ssl_create_decompressor: compression method %d\n", compression);
|
|
decomp = se_alloc(sizeof(SslDecompress));
|
|
decomp->compression = compression;
|
|
switch (decomp->compression) {
|
|
#ifdef HAVE_LIBZ
|
|
case 1: /* DEFLATE */
|
|
decomp->istream.zalloc = ssl_zalloc;
|
|
decomp->istream.zfree = ssl_zfree;
|
|
decomp->istream.opaque = Z_NULL;
|
|
decomp->istream.next_in = Z_NULL;
|
|
decomp->istream.next_out = Z_NULL;
|
|
decomp->istream.avail_in = 0;
|
|
decomp->istream.avail_out = 0;
|
|
err = inflateInit_(&decomp->istream, ZLIB_VERSION, sizeof(z_stream));
|
|
if (err != Z_OK) {
|
|
ssl_debug_printf("ssl_create_decompressor: inflateInit_() failed - %d\n", err);
|
|
return NULL;
|
|
}
|
|
break;
|
|
#endif
|
|
default:
|
|
ssl_debug_printf("ssl_create_decompressor: unsupported compression method %d\n", decomp->compression);
|
|
return NULL;
|
|
}
|
|
return decomp;
|
|
}
|
|
|
|
static SslDecoder*
|
|
ssl_create_decoder(SslCipherSuite *cipher_suite, gint compression,
|
|
guint8 *mk, guint8 *sk, guint8 *iv)
|
|
{
|
|
SslDecoder *dec;
|
|
gint ciph;
|
|
|
|
dec = se_alloc0(sizeof(SslDecoder));
|
|
/* Find the SSLeay cipher */
|
|
if(cipher_suite->enc!=ENC_NULL) {
|
|
ssl_debug_printf("ssl_create_decoder CIPHER: %s\n", ciphers[cipher_suite->enc-0x30]);
|
|
ciph=ssl_get_cipher_by_name(ciphers[cipher_suite->enc-0x30]);
|
|
} else {
|
|
ssl_debug_printf("ssl_create_decoder CIPHER: %s\n", "NULL");
|
|
ciph = -1;
|
|
}
|
|
if (ciph == 0) {
|
|
ssl_debug_printf("ssl_create_decoder can't find cipher %s\n",
|
|
ciphers[(cipher_suite->enc-0x30) > 7 ? 7 : (cipher_suite->enc-0x30)]);
|
|
return NULL;
|
|
}
|
|
|
|
/* init mac buffer: mac storage is embedded into decoder struct to save a
|
|
memory allocation and waste samo more memory*/
|
|
dec->cipher_suite=cipher_suite;
|
|
dec->compression = compression;
|
|
dec->mac_key.data = dec->_mac_key;
|
|
ssl_data_set(&dec->mac_key, mk, cipher_suite->dig_len);
|
|
dec->seq = 0;
|
|
dec->decomp = ssl_create_decompressor(compression);
|
|
dec->flow = ssl_create_flow();
|
|
|
|
if (dec->evp)
|
|
ssl_cipher_cleanup(&dec->evp);
|
|
|
|
if (ssl_cipher_init(&dec->evp,ciph,sk,iv,cipher_suite->mode) < 0) {
|
|
ssl_debug_printf("ssl_create_decoder: can't create cipher id:%d mode:%d\n",
|
|
ciph, cipher_suite->mode);
|
|
return NULL;
|
|
}
|
|
|
|
ssl_debug_printf("decoder initialized (digest len %d)\n", cipher_suite->dig_len);
|
|
return dec;
|
|
}
|
|
|
|
int
|
|
ssl_generate_keyring_material(SslDecryptSession*ssl_session)
|
|
{
|
|
StringInfo key_block;
|
|
guint8 _iv_c[MAX_BLOCK_SIZE],_iv_s[MAX_BLOCK_SIZE];
|
|
guint8 _key_c[MAX_KEY_SIZE],_key_s[MAX_KEY_SIZE];
|
|
gint needed;
|
|
guint8 *ptr,*c_wk,*s_wk,*c_mk,*s_mk,*c_iv = _iv_c,*s_iv = _iv_s;
|
|
|
|
/* check for enough info to proced */
|
|
guint need_all = SSL_CIPHER|SSL_CLIENT_RANDOM|SSL_SERVER_RANDOM|SSL_VERSION;
|
|
guint need_any = SSL_MASTER_SECRET | SSL_PRE_MASTER_SECRET;
|
|
if (((ssl_session->state & need_all) != need_all) || ((ssl_session->state & need_any) == 0)) {
|
|
ssl_debug_printf("ssl_generate_keyring_material not enough data to generate key "
|
|
"(0x%02X required 0x%02X or 0x%02X)\n", ssl_session->state,
|
|
need_all|SSL_MASTER_SECRET, need_all|SSL_PRE_MASTER_SECRET);
|
|
return -1;
|
|
}
|
|
|
|
/* if master_key is not yet generate, create it now*/
|
|
if (!(ssl_session->state & SSL_MASTER_SECRET)) {
|
|
ssl_debug_printf("ssl_generate_keyring_material:PRF(pre_master_secret)\n");
|
|
ssl_print_string("pre master secret",&ssl_session->pre_master_secret);
|
|
ssl_print_string("client random",&ssl_session->client_random);
|
|
ssl_print_string("server random",&ssl_session->server_random);
|
|
if (prf(ssl_session,&ssl_session->pre_master_secret,"master secret",
|
|
&ssl_session->client_random,
|
|
&ssl_session->server_random, &ssl_session->master_secret)) {
|
|
ssl_debug_printf("ssl_generate_keyring_material can't generate master_secret\n");
|
|
return -1;
|
|
}
|
|
ssl_print_string("master secret",&ssl_session->master_secret);
|
|
|
|
/* the pre-master secret has been 'consumend' so we must clear it now */
|
|
ssl_session->state &= ~SSL_PRE_MASTER_SECRET;
|
|
ssl_session->state |= SSL_MASTER_SECRET;
|
|
}
|
|
|
|
/* Compute the key block. First figure out how much data we need*/
|
|
needed=ssl_session->cipher_suite.dig_len*2;
|
|
needed+=ssl_session->cipher_suite.bits / 4;
|
|
if(ssl_session->cipher_suite.block>1)
|
|
needed+=ssl_session->cipher_suite.block*2;
|
|
|
|
key_block.data_len = needed;
|
|
key_block.data = g_malloc(needed);
|
|
ssl_debug_printf("ssl_generate_keyring_material sess key generation\n");
|
|
if (prf(ssl_session,&ssl_session->master_secret,"key expansion",
|
|
&ssl_session->server_random,&ssl_session->client_random,
|
|
&key_block)) {
|
|
ssl_debug_printf("ssl_generate_keyring_material can't generate key_block\n");
|
|
goto fail;
|
|
}
|
|
ssl_print_string("key expansion", &key_block);
|
|
|
|
ptr=key_block.data;
|
|
c_mk=ptr; ptr+=ssl_session->cipher_suite.dig_len;
|
|
s_mk=ptr; ptr+=ssl_session->cipher_suite.dig_len;
|
|
|
|
c_wk=ptr; ptr+=ssl_session->cipher_suite.eff_bits/8;
|
|
s_wk=ptr; ptr+=ssl_session->cipher_suite.eff_bits/8;
|
|
|
|
if(ssl_session->cipher_suite.block>1){
|
|
c_iv=ptr; ptr+=ssl_session->cipher_suite.block;
|
|
s_iv=ptr; /*ptr+=ssl_session->cipher_suite.block;*/
|
|
}
|
|
|
|
if(ssl_session->cipher_suite.export){
|
|
StringInfo iv_c,iv_s;
|
|
StringInfo key_c,key_s;
|
|
StringInfo k;
|
|
|
|
if(ssl_session->cipher_suite.block>1){
|
|
|
|
/* We only have room for MAX_BLOCK_SIZE bytes IVs, but that's
|
|
all we should need. This is a sanity check */
|
|
if(ssl_session->cipher_suite.block>MAX_BLOCK_SIZE) {
|
|
ssl_debug_printf("ssl_generate_keyring_material cipher suite block must be at most %d nut is %d\n",
|
|
MAX_BLOCK_SIZE, ssl_session->cipher_suite.block);
|
|
goto fail;
|
|
}
|
|
|
|
iv_c.data = _iv_c;
|
|
iv_c.data_len = ssl_session->cipher_suite.block;
|
|
iv_s.data = _iv_s;
|
|
iv_s.data_len = ssl_session->cipher_suite.block;
|
|
|
|
if(ssl_session->version_netorder==SSLV3_VERSION){
|
|
ssl_debug_printf("ssl_generate_keyring_material ssl3_generate_export_iv\n");
|
|
if (ssl3_generate_export_iv(&ssl_session->client_random,
|
|
&ssl_session->server_random,&iv_c)) {
|
|
ssl_debug_printf("ssl_generate_keyring_material can't generate sslv3 client iv\n");
|
|
goto fail;
|
|
}
|
|
ssl_debug_printf("ssl_generate_keyring_material ssl3_generate_export_iv(2)\n");
|
|
if (ssl3_generate_export_iv(&ssl_session->server_random,
|
|
&ssl_session->client_random,&iv_s)) {
|
|
ssl_debug_printf("ssl_generate_keyring_material can't generate sslv3 server iv\n");
|
|
goto fail;
|
|
}
|
|
}
|
|
else{
|
|
guint8 _iv_block[MAX_BLOCK_SIZE * 2];
|
|
StringInfo iv_block;
|
|
StringInfo key_null;
|
|
guint8 _key_null;
|
|
|
|
key_null.data = &_key_null;
|
|
key_null.data_len = 0;
|
|
|
|
iv_block.data = _iv_block;
|
|
iv_block.data_len = ssl_session->cipher_suite.block*2;
|
|
|
|
ssl_debug_printf("ssl_generate_keyring_material prf(iv_block)\n");
|
|
if(prf(ssl_session,&key_null, "IV block",
|
|
&ssl_session->client_random,
|
|
&ssl_session->server_random,&iv_block)) {
|
|
ssl_debug_printf("ssl_generate_keyring_material can't generate tls31 iv block\n");
|
|
goto fail;
|
|
}
|
|
|
|
memcpy(_iv_c,iv_block.data,ssl_session->cipher_suite.block);
|
|
memcpy(_iv_s,iv_block.data+ssl_session->cipher_suite.block,
|
|
ssl_session->cipher_suite.block);
|
|
}
|
|
|
|
c_iv=_iv_c;
|
|
s_iv=_iv_s;
|
|
}
|
|
|
|
if (ssl_session->version_netorder==SSLV3_VERSION){
|
|
|
|
SSL_MD5_CTX md5;
|
|
ssl_debug_printf("ssl_generate_keyring_material MD5(client_random)\n");
|
|
|
|
ssl_md5_init(&md5);
|
|
ssl_md5_update(&md5,c_wk,ssl_session->cipher_suite.eff_bits/8);
|
|
ssl_md5_update(&md5,ssl_session->client_random.data,
|
|
ssl_session->client_random.data_len);
|
|
ssl_md5_update(&md5,ssl_session->server_random.data,
|
|
ssl_session->server_random.data_len);
|
|
ssl_md5_final(_key_c,&md5);
|
|
ssl_md5_cleanup(&md5);
|
|
c_wk=_key_c;
|
|
|
|
ssl_md5_init(&md5);
|
|
ssl_debug_printf("ssl_generate_keyring_material MD5(server_random)\n");
|
|
ssl_md5_update(&md5,s_wk,ssl_session->cipher_suite.eff_bits/8);
|
|
ssl_md5_update(&md5,ssl_session->server_random.data,
|
|
ssl_session->server_random.data_len);
|
|
ssl_md5_update(&md5,ssl_session->client_random.data,
|
|
ssl_session->client_random.data_len);
|
|
ssl_md5_final(_key_s,&md5);
|
|
ssl_md5_cleanup(&md5);
|
|
s_wk=_key_s;
|
|
}
|
|
else{
|
|
key_c.data = _key_c;
|
|
key_c.data_len = sizeof(_key_c);
|
|
key_s.data = _key_s;
|
|
key_s.data_len = sizeof(_key_s);
|
|
|
|
k.data = c_wk;
|
|
k.data_len = ssl_session->cipher_suite.eff_bits/8;
|
|
ssl_debug_printf("ssl_generate_keyring_material PRF(key_c)\n");
|
|
if (prf(ssl_session,&k,"client write key",
|
|
&ssl_session->client_random,
|
|
&ssl_session->server_random, &key_c)) {
|
|
ssl_debug_printf("ssl_generate_keyring_material can't generate tll31 server key \n");
|
|
goto fail;
|
|
}
|
|
c_wk=_key_c;
|
|
|
|
k.data = s_wk;
|
|
k.data_len = ssl_session->cipher_suite.eff_bits/8;
|
|
ssl_debug_printf("ssl_generate_keyring_material PRF(key_s)\n");
|
|
if(prf(ssl_session,&k,"server write key",
|
|
&ssl_session->client_random,
|
|
&ssl_session->server_random, &key_s)) {
|
|
ssl_debug_printf("ssl_generate_keyring_material can't generate tll31 client key \n");
|
|
goto fail;
|
|
}
|
|
s_wk=_key_s;
|
|
}
|
|
}
|
|
|
|
/* show key material info */
|
|
ssl_print_data("Client MAC key",c_mk,ssl_session->cipher_suite.dig_len);
|
|
ssl_print_data("Server MAC key",s_mk,ssl_session->cipher_suite.dig_len);
|
|
ssl_print_data("Client Write key",c_wk,ssl_session->cipher_suite.bits/8);
|
|
ssl_print_data("Server Write key",s_wk,ssl_session->cipher_suite.bits/8);
|
|
|
|
if(ssl_session->cipher_suite.block>1) {
|
|
ssl_print_data("Client Write IV",c_iv,ssl_session->cipher_suite.block);
|
|
ssl_print_data("Server Write IV",s_iv,ssl_session->cipher_suite.block);
|
|
}
|
|
else {
|
|
ssl_print_data("Client Write IV",c_iv,8);
|
|
ssl_print_data("Server Write IV",s_iv,8);
|
|
}
|
|
|
|
/* create both client and server ciphers*/
|
|
ssl_debug_printf("ssl_generate_keyring_material ssl_create_decoder(client)\n");
|
|
ssl_session->client_new = ssl_create_decoder(&ssl_session->cipher_suite, ssl_session->compression, c_mk, c_wk, c_iv);
|
|
if (!ssl_session->client_new) {
|
|
ssl_debug_printf("ssl_generate_keyring_material can't init client decoder\n");
|
|
goto fail;
|
|
}
|
|
ssl_debug_printf("ssl_generate_keyring_material ssl_create_decoder(server)\n");
|
|
ssl_session->server_new = ssl_create_decoder(&ssl_session->cipher_suite, ssl_session->compression, s_mk, s_wk, s_iv);
|
|
if (!ssl_session->server_new) {
|
|
ssl_debug_printf("ssl_generate_keyring_material can't init client decoder\n");
|
|
goto fail;
|
|
}
|
|
|
|
ssl_debug_printf("ssl_generate_keyring_material: client seq %d, server seq %d\n",
|
|
ssl_session->client_new->seq, ssl_session->server_new->seq);
|
|
g_free(key_block.data);
|
|
ssl_session->state |= SSL_HAVE_SESSION_KEY;
|
|
return 0;
|
|
|
|
fail:
|
|
g_free(key_block.data);
|
|
return -1;
|
|
}
|
|
|
|
void
|
|
ssl_change_cipher(SslDecryptSession *ssl_session, gboolean server)
|
|
{
|
|
ssl_debug_printf("ssl_change_cipher %s\n", (server)?"SERVER":"CLIENT");
|
|
if (server) {
|
|
ssl_session->server = ssl_session->server_new;
|
|
ssl_session->server_new = NULL;
|
|
} else {
|
|
ssl_session->client = ssl_session->client_new;
|
|
ssl_session->client_new = NULL;
|
|
}
|
|
}
|
|
|
|
int
|
|
ssl_decrypt_pre_master_secret(SslDecryptSession*ssl_session,
|
|
StringInfo* encrypted_pre_master, SSL_PRIVATE_KEY *pk)
|
|
{
|
|
gint i;
|
|
|
|
if (!encrypted_pre_master)
|
|
return -1;
|
|
|
|
if(ssl_session->cipher_suite.kex == KEX_DH) {
|
|
ssl_debug_printf("ssl_decrypt_pre_master_secret session uses DH (%d) key exchange, which is impossible to decrypt\n",
|
|
KEX_DH);
|
|
return -1;
|
|
} else if(ssl_session->cipher_suite.kex != KEX_RSA) {
|
|
ssl_debug_printf("ssl_decrypt_pre_master_secret key exchange %d different from KEX_RSA (%d)\n",
|
|
ssl_session->cipher_suite.kex, KEX_RSA);
|
|
return -1;
|
|
}
|
|
|
|
/* with tls key loading will fail if not rsa type, so no need to check*/
|
|
ssl_print_string("pre master encrypted",encrypted_pre_master);
|
|
ssl_debug_printf("ssl_decrypt_pre_master_secret:RSA_private_decrypt\n");
|
|
i=ssl_private_decrypt(encrypted_pre_master->data_len,
|
|
encrypted_pre_master->data, pk);
|
|
|
|
if (i!=48) {
|
|
ssl_debug_printf("ssl_decrypt_pre_master_secret wrong "
|
|
"pre_master_secret length (%d, expected %d)\n", i, 48);
|
|
return -1;
|
|
}
|
|
|
|
/* the decrypted data has been written into the pre_master key buffer */
|
|
ssl_session->pre_master_secret.data = encrypted_pre_master->data;
|
|
ssl_session->pre_master_secret.data_len=48;
|
|
ssl_print_string("pre master secret",&ssl_session->pre_master_secret);
|
|
|
|
/* Remove the master secret if it was there.
|
|
This forces keying material regeneration in
|
|
case we're renegotiating */
|
|
ssl_session->state &= ~(SSL_MASTER_SECRET|SSL_HAVE_SESSION_KEY);
|
|
ssl_session->state |= SSL_PRE_MASTER_SECRET;
|
|
return 0;
|
|
}
|
|
|
|
/* convert network byte order 32 byte number to right-aligned host byte order *
|
|
* 8 bytes buffer */
|
|
static gint fmt_seq(guint32 num, guint8* buf)
|
|
{
|
|
guint32 netnum;
|
|
|
|
memset(buf,0,8);
|
|
netnum=g_htonl(num);
|
|
memcpy(buf+4,&netnum,4);
|
|
|
|
return(0);
|
|
}
|
|
|
|
static gint
|
|
tls_check_mac(SslDecoder*decoder, gint ct, gint ver, guint8* data,
|
|
guint32 datalen, guint8* mac)
|
|
{
|
|
SSL_HMAC hm;
|
|
gint md;
|
|
guint32 len;
|
|
guint8 buf[48];
|
|
gint16 temp;
|
|
|
|
md=ssl_get_digest_by_name(digests[decoder->cipher_suite->dig-0x40]);
|
|
ssl_debug_printf("tls_check_mac mac type:%s md %d\n",
|
|
digests[decoder->cipher_suite->dig-0x40], md);
|
|
|
|
if (ssl_hmac_init(&hm,decoder->mac_key.data,decoder->mac_key.data_len,md) != 0)
|
|
return -1;
|
|
|
|
/* hash sequence number */
|
|
fmt_seq(decoder->seq,buf);
|
|
|
|
decoder->seq++;
|
|
|
|
ssl_hmac_update(&hm,buf,8);
|
|
|
|
/* hash content type */
|
|
buf[0]=ct;
|
|
ssl_hmac_update(&hm,buf,1);
|
|
|
|
/* hash version,data length and data*/
|
|
/* *((gint16*)buf) = g_htons(ver); */
|
|
temp = g_htons(ver);
|
|
memcpy(buf, &temp, 2);
|
|
ssl_hmac_update(&hm,buf,2);
|
|
|
|
/* *((gint16*)buf) = g_htons(datalen); */
|
|
temp = g_htons(datalen);
|
|
memcpy(buf, &temp, 2);
|
|
ssl_hmac_update(&hm,buf,2);
|
|
ssl_hmac_update(&hm,data,datalen);
|
|
|
|
/* get digest and digest len*/
|
|
ssl_hmac_final(&hm,buf,&len);
|
|
ssl_hmac_cleanup(&hm);
|
|
ssl_print_data("Mac", buf, len);
|
|
if(memcmp(mac,buf,len))
|
|
return -1;
|
|
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
ssl3_check_mac(SslDecoder*decoder,int ct,guint8* data,
|
|
guint32 datalen, guint8* mac)
|
|
{
|
|
SSL_MD mc;
|
|
gint md;
|
|
guint32 len;
|
|
guint8 buf[64],dgst[20];
|
|
gint pad_ct;
|
|
gint16 temp;
|
|
|
|
pad_ct=(decoder->cipher_suite->dig==DIG_SHA)?40:48;
|
|
|
|
/* get cipher used for digest comptuation */
|
|
md=ssl_get_digest_by_name(digests[decoder->cipher_suite->dig-0x40]);
|
|
if (ssl_md_init(&mc,md) !=0)
|
|
return -1;
|
|
|
|
/* do hash computation on data && padding */
|
|
ssl_md_update(&mc,decoder->mac_key.data,decoder->mac_key.data_len);
|
|
|
|
/* hash padding*/
|
|
memset(buf,0x36,pad_ct);
|
|
ssl_md_update(&mc,buf,pad_ct);
|
|
|
|
/* hash sequence number */
|
|
fmt_seq(decoder->seq,buf);
|
|
decoder->seq++;
|
|
ssl_md_update(&mc,buf,8);
|
|
|
|
/* hash content type */
|
|
buf[0]=ct;
|
|
ssl_md_update(&mc,buf,1);
|
|
|
|
/* hash data length in network byte order and data*/
|
|
/* *((gint16* )buf) = g_htons(datalen); */
|
|
temp = g_htons(datalen);
|
|
memcpy(buf, &temp, 2);
|
|
ssl_md_update(&mc,buf,2);
|
|
ssl_md_update(&mc,data,datalen);
|
|
|
|
/* get partial digest */
|
|
ssl_md_final(&mc,dgst,&len);
|
|
ssl_md_cleanup(&mc);
|
|
|
|
ssl_md_init(&mc,md);
|
|
|
|
/* hash mac key */
|
|
ssl_md_update(&mc,decoder->mac_key.data,decoder->mac_key.data_len);
|
|
|
|
/* hash padding and partial digest*/
|
|
memset(buf,0x5c,pad_ct);
|
|
ssl_md_update(&mc,buf,pad_ct);
|
|
ssl_md_update(&mc,dgst,len);
|
|
|
|
ssl_md_final(&mc,dgst,&len);
|
|
ssl_md_cleanup(&mc);
|
|
|
|
if(memcmp(mac,dgst,len))
|
|
return -1;
|
|
|
|
return(0);
|
|
}
|
|
|
|
static gint
|
|
dtls_check_mac(SslDecoder*decoder, gint ct,int ver, guint8* data,
|
|
guint32 datalen, guint8* mac)
|
|
{
|
|
SSL_HMAC hm;
|
|
gint md;
|
|
guint32 len;
|
|
guint8 buf[20];
|
|
gint16 temp;
|
|
|
|
md=ssl_get_digest_by_name(digests[decoder->cipher_suite->dig-0x40]);
|
|
ssl_debug_printf("dtls_check_mac mac type:%s md %d\n",
|
|
digests[decoder->cipher_suite->dig-0x40], md);
|
|
|
|
if (ssl_hmac_init(&hm,decoder->mac_key.data,decoder->mac_key.data_len,md) != 0)
|
|
return -1;
|
|
ssl_debug_printf("dtls_check_mac seq: %d epoch: %d\n",decoder->seq,decoder->epoch);
|
|
/* hash sequence number */
|
|
fmt_seq(decoder->seq,buf);
|
|
buf[0]=decoder->epoch>>8;
|
|
buf[1]=(guint8)decoder->epoch;
|
|
|
|
ssl_hmac_update(&hm,buf,8);
|
|
|
|
/* hash content type */
|
|
buf[0]=ct;
|
|
ssl_hmac_update(&hm,buf,1);
|
|
|
|
/* hash version,data length and data */
|
|
temp = g_htons(ver);
|
|
memcpy(buf, &temp, 2);
|
|
ssl_hmac_update(&hm,buf,2);
|
|
|
|
temp = g_htons(datalen);
|
|
memcpy(buf, &temp, 2);
|
|
ssl_hmac_update(&hm,buf,2);
|
|
ssl_hmac_update(&hm,data,datalen);
|
|
/* get digest and digest len */
|
|
ssl_hmac_final(&hm,buf,&len);
|
|
ssl_hmac_cleanup(&hm);
|
|
ssl_print_data("Mac", buf, len);
|
|
if(memcmp(mac,buf,len))
|
|
return -1;
|
|
|
|
return(0);
|
|
}
|
|
|
|
#ifdef HAVE_LIBZ
|
|
int
|
|
ssl_decompress_record(SslDecompress* decomp, const guchar* in, guint inl, StringInfo* out_str, guint* outl)
|
|
{
|
|
gint err;
|
|
|
|
switch (decomp->compression) {
|
|
case 1: /* DEFLATE */
|
|
err = Z_OK;
|
|
if (out_str->data_len < 16384) { /* maximal plain length */
|
|
ssl_data_realloc(out_str, 16384);
|
|
}
|
|
decomp->istream.next_in = (guchar*)in;
|
|
decomp->istream.avail_in = inl;
|
|
decomp->istream.next_out = out_str->data;
|
|
decomp->istream.avail_out = out_str->data_len;
|
|
if (inl > 0)
|
|
err = inflate(&decomp->istream, Z_SYNC_FLUSH);
|
|
if (err != Z_OK) {
|
|
ssl_debug_printf("ssl_decompress_record: inflate() failed - %d\n", err);
|
|
return -1;
|
|
}
|
|
*outl = out_str->data_len - decomp->istream.avail_out;
|
|
break;
|
|
default:
|
|
ssl_debug_printf("ssl_decompress_record: unsupported compression method %d\n", decomp->compression);
|
|
return -1;
|
|
}
|
|
return 0;
|
|
}
|
|
#else
|
|
int
|
|
ssl_decompress_record(SslDecompress* decomp _U_, const guchar* in _U_, guint inl _U_, StringInfo* out_str _U_, guint* outl _U_)
|
|
{
|
|
ssl_debug_printf("ssl_decompress_record: unsupported compression method %d\n", decomp->compression);
|
|
return -1;
|
|
}
|
|
#endif
|
|
|
|
int
|
|
ssl_decrypt_record(SslDecryptSession*ssl,SslDecoder* decoder, gint ct,
|
|
const guchar* in, guint inl, StringInfo* comp_str, StringInfo* out_str, guint* outl)
|
|
{
|
|
guint pad, worklen, uncomplen;
|
|
guint8 *mac;
|
|
|
|
ssl_debug_printf("ssl_decrypt_record ciphertext len %d\n", inl);
|
|
ssl_print_data("Ciphertext",in, inl);
|
|
|
|
/* ensure we have enough storage space for decrypted data */
|
|
if (inl > out_str->data_len)
|
|
{
|
|
ssl_debug_printf("ssl_decrypt_record: allocating %d bytes for decrypt data (old len %d)\n",
|
|
inl + 32, out_str->data_len);
|
|
ssl_data_realloc(out_str, inl + 32);
|
|
}
|
|
|
|
/* First decrypt*/
|
|
if ((pad = ssl_cipher_decrypt(&decoder->evp, out_str->data, out_str->data_len, in, inl))!= 0) {
|
|
ssl_debug_printf("ssl_decrypt_record failed: ssl_cipher_decrypt: %s %s\n", gcry_strsource (pad),
|
|
gcry_strerror (pad));
|
|
return -1;
|
|
}
|
|
|
|
ssl_print_data("Plaintext", out_str->data, inl);
|
|
worklen=inl;
|
|
|
|
/* Now strip off the padding*/
|
|
if(decoder->cipher_suite->block!=1) {
|
|
pad=out_str->data[inl-1];
|
|
worklen-=(pad+1);
|
|
ssl_debug_printf("ssl_decrypt_record found padding %d final len %d\n",
|
|
pad, worklen);
|
|
}
|
|
|
|
/* And the MAC */
|
|
if (decoder->cipher_suite->dig_len > (gint)worklen)
|
|
{
|
|
ssl_debug_printf("ssl_decrypt_record wrong record len/padding outlen %d\n work %d\n",*outl, worklen);
|
|
return -1;
|
|
}
|
|
worklen-=decoder->cipher_suite->dig_len;
|
|
mac = out_str->data + worklen;
|
|
|
|
/* if TLS 1.1 or 1.2 we use the transmitted IV and remove it after (to not modify dissector in others parts)*/
|
|
if(ssl->version_netorder==TLSV1DOT1_VERSION || ssl->version_netorder==TLSV1DOT2_VERSION){
|
|
/* if stream cipher used, IV is not contained */
|
|
worklen=worklen-(decoder->cipher_suite->block!=1 ? decoder->cipher_suite->block : 0);
|
|
memcpy(out_str->data,out_str->data+(decoder->cipher_suite->block!=1 ? decoder->cipher_suite->block : 0),worklen);
|
|
}
|
|
if(ssl->version_netorder==DTLSV1DOT0_VERSION ||
|
|
ssl->version_netorder==DTLSV1DOT2_VERSION ||
|
|
ssl->version_netorder==DTLSV1DOT0_VERSION_NOT){
|
|
worklen=worklen-decoder->cipher_suite->block;
|
|
memcpy(out_str->data,out_str->data+decoder->cipher_suite->block,worklen);
|
|
}
|
|
/* Now check the MAC */
|
|
ssl_debug_printf("checking mac (len %d, version %X, ct %d seq %d)\n",
|
|
worklen, ssl->version_netorder, ct, decoder->seq);
|
|
if(ssl->version_netorder==SSLV3_VERSION){
|
|
if(ssl3_check_mac(decoder,ct,out_str->data,worklen,mac) < 0) {
|
|
if(ssl_ignore_mac_failed) {
|
|
ssl_debug_printf("ssl_decrypt_record: mac failed, but ignored for troubleshooting ;-)\n");
|
|
}
|
|
else{
|
|
ssl_debug_printf("ssl_decrypt_record: mac failed\n");
|
|
return -1;
|
|
}
|
|
}
|
|
else{
|
|
ssl_debug_printf("ssl_decrypt_record: mac ok\n");
|
|
}
|
|
}
|
|
else if(ssl->version_netorder==TLSV1_VERSION || ssl->version_netorder==TLSV1DOT1_VERSION || ssl->version_netorder==TLSV1DOT2_VERSION){
|
|
if(tls_check_mac(decoder,ct,ssl->version_netorder,out_str->data,worklen,mac)< 0) {
|
|
if(ssl_ignore_mac_failed) {
|
|
ssl_debug_printf("ssl_decrypt_record: mac failed, but ignored for troubleshooting ;-)\n");
|
|
}
|
|
else{
|
|
ssl_debug_printf("ssl_decrypt_record: mac failed\n");
|
|
return -1;
|
|
}
|
|
}
|
|
else{
|
|
ssl_debug_printf("ssl_decrypt_record: mac ok\n");
|
|
}
|
|
}
|
|
else if(ssl->version_netorder==DTLSV1DOT0_VERSION ||
|
|
ssl->version_netorder==DTLSV1DOT2_VERSION ||
|
|
ssl->version_netorder==DTLSV1DOT0_VERSION_NOT){
|
|
/* Try rfc-compliant mac first, and if failed, try old openssl's non-rfc-compliant mac */
|
|
if(dtls_check_mac(decoder,ct,ssl->version_netorder,out_str->data,worklen,mac)>= 0) {
|
|
ssl_debug_printf("ssl_decrypt_record: mac ok\n");
|
|
}
|
|
else if(tls_check_mac(decoder,ct,TLSV1_VERSION,out_str->data,worklen,mac)>= 0) {
|
|
ssl_debug_printf("ssl_decrypt_record: dtls rfc-compliant mac failed, but old openssl's non-rfc-compliant mac ok\n");
|
|
}
|
|
else if(ssl_ignore_mac_failed) {
|
|
ssl_debug_printf("ssl_decrypt_record: mac failed, but ignored for troubleshooting ;-)\n");
|
|
}
|
|
else{
|
|
ssl_debug_printf("ssl_decrypt_record: mac failed\n");
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
*outl = worklen;
|
|
|
|
if (decoder->compression > 0) {
|
|
ssl_debug_printf("ssl_decrypt_record: compression method %d\n", decoder->compression);
|
|
ssl_data_copy(comp_str, out_str);
|
|
ssl_print_data("Plaintext compressed", comp_str->data, worklen);
|
|
if (!decoder->decomp) {
|
|
ssl_debug_printf("decrypt_ssl3_record: no decoder available\n");
|
|
return -1;
|
|
}
|
|
if (ssl_decompress_record(decoder->decomp, comp_str->data, worklen, out_str, &uncomplen) < 0) return -1;
|
|
ssl_print_data("Plaintext uncompressed", out_str->data, uncomplen);
|
|
*outl = uncomplen;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
#define RSA_PARS 6
|
|
SSL_PRIVATE_KEY*
|
|
ssl_privkey_to_sexp(struct gnutls_x509_privkey_int* priv_key)
|
|
{
|
|
gnutls_datum_t rsa_datum[RSA_PARS]; /* m, e, d, p, q, u */
|
|
size_t tmp_size;
|
|
gcry_sexp_t rsa_priv_key = NULL;
|
|
gint i;
|
|
int ret;
|
|
size_t buf_len;
|
|
unsigned char buf_keyid[32];
|
|
|
|
#ifdef SSL_FAST
|
|
gcry_mpi_t* rsa_params = g_malloc(sizeof(gcry_mpi_t)*RSA_PARS);
|
|
#else
|
|
gcry_mpi_t rsa_params[RSA_PARS];
|
|
#endif
|
|
|
|
buf_len = sizeof(buf_keyid);
|
|
ret = gnutls_x509_privkey_get_key_id(priv_key, 0, buf_keyid, &buf_len);
|
|
if (ret != 0) {
|
|
ssl_debug_printf( "gnutls_x509_privkey_get_key_id(ssl_pkey, 0, buf_keyid, &buf_len) - %s\n", gnutls_strerror(ret));
|
|
} else {
|
|
ssl_debug_printf( "Private key imported: KeyID %s\n", bytes_to_str_punct(buf_keyid, (int) buf_len, ':'));
|
|
}
|
|
|
|
/* RSA get parameter */
|
|
if (gnutls_x509_privkey_export_rsa_raw(priv_key,
|
|
&rsa_datum[0],
|
|
&rsa_datum[1],
|
|
&rsa_datum[2],
|
|
&rsa_datum[3],
|
|
&rsa_datum[4],
|
|
&rsa_datum[5]) != 0) {
|
|
ssl_debug_printf("ssl_load_key: can't export rsa param (is a rsa private key file ?!?)\n");
|
|
#ifdef SSL_FAST
|
|
g_free(rsa_params);
|
|
#endif
|
|
return NULL;
|
|
}
|
|
|
|
/* convert each rsa parameter to mpi format*/
|
|
for(i=0; i<RSA_PARS; i++) {
|
|
if (gcry_mpi_scan(&rsa_params[i], GCRYMPI_FMT_USG, rsa_datum[i].data, rsa_datum[i].size,&tmp_size) != 0) {
|
|
ssl_debug_printf("ssl_load_key: can't convert m rsa param to int (size %d)\n", rsa_datum[i].size);
|
|
#ifdef SSL_FAST
|
|
g_free(rsa_params);
|
|
#endif
|
|
return NULL;
|
|
}
|
|
}
|
|
|
|
/* libgcrypt expects p < q, and gnutls might not return it as such, depending on gnutls version and its crypto backend */
|
|
if (gcry_mpi_cmp(rsa_params[3], rsa_params[4]) > 0)
|
|
{
|
|
ssl_debug_printf("ssl_load_key: swapping p and q parameters and recomputing u\n");
|
|
gcry_mpi_swap(rsa_params[3], rsa_params[4]);
|
|
gcry_mpi_invm(rsa_params[5], rsa_params[3], rsa_params[4]);
|
|
}
|
|
|
|
if (gcry_sexp_build( &rsa_priv_key, NULL,
|
|
"(private-key(rsa((n%m)(e%m)(d%m)(p%m)(q%m)(u%m))))", rsa_params[0],
|
|
rsa_params[1], rsa_params[2], rsa_params[3], rsa_params[4],
|
|
rsa_params[5]) != 0) {
|
|
ssl_debug_printf("ssl_load_key: can't build rsa private key s-exp\n");
|
|
#ifdef SSL_FAST
|
|
g_free(rsa_params);
|
|
#endif
|
|
return NULL;
|
|
}
|
|
|
|
#ifdef SSL_FAST
|
|
return rsa_params;
|
|
#else
|
|
for (i=0; i< 6; i++)
|
|
gcry_mpi_release(rsa_params[i]);
|
|
return rsa_priv_key;
|
|
#endif
|
|
|
|
}
|
|
|
|
Ssl_private_key_t *
|
|
ssl_load_key(FILE* fp)
|
|
{
|
|
/* gnutls makes our work much harder, since we have to work internally with
|
|
* s-exp formatted data, but PEM loader exports only in "gnutls_datum_t"
|
|
* format, and a datum -> s-exp convertion function does not exist.
|
|
*/
|
|
gnutls_x509_privkey_t priv_key;
|
|
gnutls_datum_t key;
|
|
gint size, ret;
|
|
guint bytes;
|
|
|
|
Ssl_private_key_t *private_key = g_malloc0(sizeof(Ssl_private_key_t));
|
|
|
|
/* init private key data*/
|
|
gnutls_x509_privkey_init(&priv_key);
|
|
|
|
/* compute file size and load all file contents into a datum buffer*/
|
|
if (fseek(fp, 0, SEEK_END) < 0) {
|
|
ssl_debug_printf("ssl_load_key: can't fseek file\n");
|
|
g_free(private_key);
|
|
return NULL;
|
|
}
|
|
if ((size = ftell(fp)) < 0) {
|
|
ssl_debug_printf("ssl_load_key: can't ftell file\n");
|
|
g_free(private_key);
|
|
return NULL;
|
|
}
|
|
if (fseek(fp, 0, SEEK_SET) < 0) {
|
|
ssl_debug_printf("ssl_load_key: can't re-fseek file\n");
|
|
g_free(private_key);
|
|
return NULL;
|
|
}
|
|
key.data = g_malloc(size);
|
|
key.size = size;
|
|
bytes = (guint) fread(key.data, 1, key.size, fp);
|
|
if (bytes < key.size) {
|
|
ssl_debug_printf("ssl_load_key: can't read from file %d bytes, got %d\n",
|
|
key.size, bytes);
|
|
g_free(private_key);
|
|
g_free(key.data);
|
|
return NULL;
|
|
}
|
|
|
|
/* import PEM data*/
|
|
if ((ret = gnutls_x509_privkey_import(priv_key, &key, GNUTLS_X509_FMT_PEM)) != GNUTLS_E_SUCCESS) {
|
|
ssl_debug_printf("ssl_load_key: can't import pem data: %s\n", gnutls_strerror(ret));
|
|
g_free(private_key);
|
|
g_free(key.data);
|
|
return NULL;
|
|
}
|
|
|
|
if (gnutls_x509_privkey_get_pk_algorithm(priv_key) != GNUTLS_PK_RSA) {
|
|
ssl_debug_printf("ssl_load_key: private key public key algorithm isn't RSA\n");
|
|
g_free(private_key);
|
|
g_free(key.data);
|
|
return NULL;
|
|
}
|
|
|
|
g_free(key.data);
|
|
|
|
private_key->x509_pkey = priv_key;
|
|
private_key->sexp_pkey = ssl_privkey_to_sexp(priv_key);
|
|
if ( !private_key->sexp_pkey ) {
|
|
g_free(private_key);
|
|
return NULL;
|
|
}
|
|
return private_key;
|
|
}
|
|
|
|
static const char *
|
|
BAGTYPE(gnutls_pkcs12_bag_type_t x) {
|
|
switch (x) {
|
|
case GNUTLS_BAG_EMPTY: return "Empty";
|
|
case GNUTLS_BAG_PKCS8_ENCRYPTED_KEY: return "PKCS#8 Encrypted key";
|
|
case GNUTLS_BAG_PKCS8_KEY: return "PKCS#8 Key";
|
|
case GNUTLS_BAG_CERTIFICATE: return "Certificate";
|
|
case GNUTLS_BAG_CRL: return "CRL";
|
|
case GNUTLS_BAG_ENCRYPTED: return "Encrypted";
|
|
case GNUTLS_BAG_UNKNOWN: return "Unknown";
|
|
default: return "<undefined>";
|
|
}
|
|
}
|
|
|
|
Ssl_private_key_t *
|
|
ssl_load_pkcs12(FILE* fp, const gchar *cert_passwd) {
|
|
|
|
int i, j, ret;
|
|
int rest;
|
|
unsigned char *p;
|
|
gnutls_datum_t data;
|
|
gnutls_pkcs12_bag_t bag = NULL;
|
|
gnutls_pkcs12_bag_type_t bag_type;
|
|
size_t len, buf_len;
|
|
static char buf_name[256];
|
|
static char buf_email[128];
|
|
unsigned char buf_keyid[32];
|
|
|
|
gnutls_pkcs12_t ssl_p12 = NULL;
|
|
gnutls_x509_crt_t ssl_cert = NULL;
|
|
gnutls_x509_privkey_t ssl_pkey = NULL;
|
|
|
|
Ssl_private_key_t *private_key = g_malloc0(sizeof(Ssl_private_key_t));
|
|
|
|
rest = 4096;
|
|
data.data = g_malloc(rest);
|
|
data.size = rest;
|
|
p = data.data;
|
|
while ((len = fread(p, 1, rest, fp)) > 0) {
|
|
p += len;
|
|
rest -= (int) len;
|
|
if (!rest) {
|
|
rest = 1024;
|
|
data.data = g_realloc(data.data, data.size + rest);
|
|
p = data.data + data.size;
|
|
data.size += rest;
|
|
}
|
|
}
|
|
data.size -= rest;
|
|
ssl_debug_printf("%d bytes read\n", data.size);
|
|
if (!feof(fp)) {
|
|
ssl_debug_printf( "Error during certificate reading.\n");
|
|
g_free(private_key);
|
|
return 0;
|
|
}
|
|
|
|
ret = gnutls_pkcs12_init(&ssl_p12);
|
|
if (ret < 0) {
|
|
ssl_debug_printf("gnutls_pkcs12_init(&st_p12) - %s", gnutls_strerror(ret));
|
|
g_free(private_key);
|
|
return 0;
|
|
}
|
|
ret = gnutls_pkcs12_import(ssl_p12, &data, GNUTLS_X509_FMT_DER, 0);
|
|
g_free(data.data);
|
|
if (ret < 0) {
|
|
ssl_debug_printf("gnutls_pkcs12_import(ssl_p12, &data, GNUTLS_X509_FMT_DER, 0) - %s\n", gnutls_strerror(ret));
|
|
g_free(private_key);
|
|
return 0;
|
|
}
|
|
|
|
ssl_debug_printf( "PKCS#12 imported\n");
|
|
|
|
for (i=0; ret==0; i++) {
|
|
|
|
if (bag) { gnutls_pkcs12_bag_deinit(bag); bag = NULL; }
|
|
|
|
ret = gnutls_pkcs12_bag_init(&bag);
|
|
if (ret < 0) continue;
|
|
|
|
ret = gnutls_pkcs12_get_bag(ssl_p12, i, bag);
|
|
if (ret < 0) continue;
|
|
|
|
for (j=0; ret==0 && j<gnutls_pkcs12_bag_get_count(bag); j++) {
|
|
|
|
bag_type = gnutls_pkcs12_bag_get_type(bag, j);
|
|
if (bag_type >= GNUTLS_BAG_UNKNOWN) continue;
|
|
ssl_debug_printf( "Bag %d/%d: %s\n", i, j, BAGTYPE(bag_type));
|
|
if (bag_type == GNUTLS_BAG_ENCRYPTED) {
|
|
ret = gnutls_pkcs12_bag_decrypt(bag, cert_passwd);
|
|
if (ret == 0) {
|
|
bag_type = gnutls_pkcs12_bag_get_type(bag, j);
|
|
if (bag_type >= GNUTLS_BAG_UNKNOWN) continue;
|
|
ssl_debug_printf( "Bag %d/%d decrypted: %s\n", i, j, BAGTYPE(bag_type));
|
|
}
|
|
}
|
|
|
|
ret = gnutls_pkcs12_bag_get_data(bag, j, &data);
|
|
if (ret < 0) continue;
|
|
|
|
switch (bag_type) {
|
|
|
|
case GNUTLS_BAG_CERTIFICATE:
|
|
|
|
ret = gnutls_x509_crt_init(&ssl_cert);
|
|
if (ret < 0) {
|
|
ssl_debug_printf( "gnutls_x509_crt_init(&ssl_cert) - %s\n", gnutls_strerror(ret));
|
|
g_free(private_key);
|
|
return 0;
|
|
}
|
|
|
|
ret = gnutls_x509_crt_import(ssl_cert, &data, GNUTLS_X509_FMT_DER);
|
|
if (ret < 0) {
|
|
ssl_debug_printf( "gnutls_x509_crt_import(ssl_cert, &data, GNUTLS_X509_FMT_DER) - %s\n", gnutls_strerror(ret));
|
|
g_free(private_key);
|
|
return 0;
|
|
}
|
|
|
|
buf_len = sizeof(buf_name);
|
|
ret = gnutls_x509_crt_get_dn_by_oid(ssl_cert, GNUTLS_OID_X520_COMMON_NAME, 0, 0, buf_name, &buf_len);
|
|
if (ret < 0) { g_strlcpy(buf_name, "<ERROR>", 256); }
|
|
buf_len = sizeof(buf_email);
|
|
ret = gnutls_x509_crt_get_dn_by_oid(ssl_cert, GNUTLS_OID_PKCS9_EMAIL, 0, 0, buf_email, &buf_len);
|
|
if (ret < 0) { g_strlcpy(buf_email, "<ERROR>", 128); }
|
|
|
|
buf_len = sizeof(buf_keyid);
|
|
ret = gnutls_x509_crt_get_key_id(ssl_cert, 0, buf_keyid, &buf_len);
|
|
if (ret < 0) { g_strlcpy(buf_keyid, "<ERROR>", 32); }
|
|
|
|
private_key->x509_cert = ssl_cert;
|
|
ssl_debug_printf( "Certificate imported: %s <%s>, KeyID %s\n", buf_name, buf_email, bytes_to_str(buf_keyid, (int) buf_len));
|
|
break;
|
|
|
|
case GNUTLS_BAG_PKCS8_KEY:
|
|
case GNUTLS_BAG_PKCS8_ENCRYPTED_KEY:
|
|
|
|
ret = gnutls_x509_privkey_init(&ssl_pkey);
|
|
if (ret < 0) {
|
|
ssl_debug_printf( "gnutls_x509_privkey_init(&ssl_pkey) - %s\n", gnutls_strerror(ret));
|
|
g_free(private_key);
|
|
return 0;
|
|
}
|
|
ret = gnutls_x509_privkey_import_pkcs8(ssl_pkey, &data, GNUTLS_X509_FMT_DER, cert_passwd,
|
|
(bag_type==GNUTLS_BAG_PKCS8_KEY) ? GNUTLS_PKCS_PLAIN : 0);
|
|
if (ret < 0) {
|
|
ssl_debug_printf( "Can not decrypt private key - %s\n", gnutls_strerror(ret));
|
|
g_free(private_key);
|
|
return 0;
|
|
}
|
|
|
|
if (gnutls_x509_privkey_get_pk_algorithm(ssl_pkey) != GNUTLS_PK_RSA) {
|
|
ssl_debug_printf("ssl_load_pkcs12: private key public key algorithm isn't RSA\n");
|
|
g_free(private_key);
|
|
return 0;
|
|
}
|
|
|
|
private_key->x509_pkey = ssl_pkey;
|
|
private_key->sexp_pkey = ssl_privkey_to_sexp(ssl_pkey);
|
|
if ( !private_key->sexp_pkey ) {
|
|
g_free(private_key);
|
|
return NULL;
|
|
}
|
|
break;
|
|
|
|
default: ;
|
|
}
|
|
} /* j */
|
|
} /* i */
|
|
|
|
return private_key;
|
|
}
|
|
|
|
|
|
void ssl_free_key(Ssl_private_key_t* key)
|
|
{
|
|
#ifdef SSL_FAST
|
|
gint i;
|
|
for (i=0; i< 6; i++)
|
|
gcry_mpi_release(key->sexp_pkey[i]);
|
|
#else
|
|
gcry_sexp_release(key->sexp_pkey);
|
|
#endif
|
|
|
|
if (!key->x509_cert)
|
|
gnutls_x509_crt_deinit (key->x509_cert);
|
|
|
|
if (!key->x509_pkey)
|
|
gnutls_x509_privkey_deinit(key->x509_pkey);
|
|
|
|
g_free((Ssl_private_key_t*)key);
|
|
}
|
|
|
|
gint
|
|
ssl_find_private_key(SslDecryptSession *ssl_session, GHashTable *key_hash, GTree* associations, packet_info *pinfo) {
|
|
SslService dummy;
|
|
char ip_addr_any[] = {0,0,0,0};
|
|
guint32 port = 0;
|
|
Ssl_private_key_t * private_key;
|
|
|
|
if (!ssl_session) {
|
|
return 0;
|
|
}
|
|
|
|
/* we need to know which side of the conversation is speaking */
|
|
if (ssl_packet_from_server(ssl_session, associations, pinfo)) {
|
|
dummy.addr = pinfo->src;
|
|
dummy.port = port = pinfo->srcport;
|
|
} else {
|
|
dummy.addr = pinfo->dst;
|
|
dummy.port = port = pinfo->destport;
|
|
}
|
|
ssl_debug_printf("ssl_find_private_key server %s:%u\n",
|
|
ep_address_to_str(&dummy.addr),dummy.port);
|
|
|
|
/* try to retrieve private key for this service. Do it now 'cause pinfo
|
|
* is not always available
|
|
* Note that with HAVE_LIBGNUTLS undefined private_key is allways 0
|
|
* and thus decryption never engaged*/
|
|
|
|
|
|
ssl_session->private_key = 0;
|
|
private_key = g_hash_table_lookup(key_hash, &dummy);
|
|
|
|
if (!private_key) {
|
|
ssl_debug_printf("ssl_find_private_key can't find private key for this server! Try it again with universal port 0\n");
|
|
|
|
dummy.port = 0;
|
|
private_key = g_hash_table_lookup(key_hash, &dummy);
|
|
}
|
|
|
|
if (!private_key) {
|
|
ssl_debug_printf("ssl_find_private_key can't find private key for this server (universal port)! Try it again with universal address 0.0.0.0\n");
|
|
|
|
dummy.addr.type = AT_IPv4;
|
|
dummy.addr.len = 4;
|
|
dummy.addr.data = ip_addr_any;
|
|
|
|
dummy.port = port;
|
|
private_key = g_hash_table_lookup(key_hash, &dummy);
|
|
}
|
|
|
|
if (!private_key) {
|
|
ssl_debug_printf("ssl_find_private_key can't find any private key!\n");
|
|
} else {
|
|
ssl_session->private_key = private_key->sexp_pkey;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
void
|
|
ssl_lib_init(void)
|
|
{
|
|
ssl_debug_printf("gnutls version: %s\n", gnutls_check_version(NULL));
|
|
}
|
|
|
|
#else /* defined(HAVE_LIBGNUTLS) && defined(HAVE_LIBGCRYPT) */
|
|
/* no libgnutl: dummy operation to keep interface consistent*/
|
|
void
|
|
ssl_lib_init(void)
|
|
{
|
|
}
|
|
|
|
Ssl_private_key_t *
|
|
ssl_load_key(FILE* fp)
|
|
{
|
|
ssl_debug_printf("ssl_load_key: impossible without gnutls. fp %p\n",fp);
|
|
return NULL;
|
|
}
|
|
|
|
Ssl_private_key_t *
|
|
ssl_load_pkcs12(FILE* fp, const gchar *cert_passwd _U_) {
|
|
ssl_debug_printf("ssl_load_pkcs12: impossible without gnutls. fp %p\n",fp);
|
|
return NULL;
|
|
}
|
|
|
|
void
|
|
ssl_free_key(Ssl_private_key_t* key _U_)
|
|
{
|
|
}
|
|
|
|
gint
|
|
ssl_find_private_key(SslDecryptSession *ssl_session _U_, GHashTable *key_hash _U_, GTree* associations _U_, packet_info *pinfo _U_)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
ssl_find_cipher(int num,SslCipherSuite* cs)
|
|
{
|
|
ssl_debug_printf("ssl_find_cipher: dummy without gnutls. num %d cs %p\n",
|
|
num,cs);
|
|
return 0;
|
|
}
|
|
int
|
|
ssl_generate_keyring_material(SslDecryptSession*ssl)
|
|
{
|
|
ssl_debug_printf("ssl_generate_keyring_material: impossible without gnutls. ssl %p\n",
|
|
ssl);
|
|
return 0;
|
|
}
|
|
void
|
|
ssl_change_cipher(SslDecryptSession *ssl_session, gboolean server)
|
|
{
|
|
ssl_debug_printf("ssl_change_cipher %s: makes no sense without gnutls. ssl %p\n",
|
|
(server)?"SERVER":"CLIENT", ssl_session);
|
|
}
|
|
|
|
int
|
|
ssl_decrypt_pre_master_secret(SslDecryptSession* ssl_session,
|
|
StringInfo* encrypted_pre_master, SSL_PRIVATE_KEY *pk)
|
|
{
|
|
ssl_debug_printf("ssl_decrypt_pre_master_secret: impossible without gnutls."
|
|
" ssl %p encrypted_pre_master %p pk %p\n", ssl_session,
|
|
encrypted_pre_master, pk);
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
ssl_decrypt_record(SslDecryptSession*ssl, SslDecoder* decoder, gint ct,
|
|
const guchar* in, guint inl, StringInfo* comp_str _U_, StringInfo* out, guint* outl)
|
|
{
|
|
ssl_debug_printf("ssl_decrypt_record: impossible without gnutls. ssl %p"
|
|
"decoder %p ct %d, in %p inl %d out %p outl %p\n", ssl, decoder, ct,
|
|
in, inl, out, outl);
|
|
return 0;
|
|
}
|
|
|
|
gint
|
|
ssl_cipher_setiv(SSL_CIPHER_CTX *cipher _U_, guchar* iv _U_, gint iv_len _U_)
|
|
{
|
|
ssl_debug_printf("ssl_cipher_setiv: impossible without gnutls.\n");
|
|
return 0;
|
|
}
|
|
|
|
#endif /* HAVE_LIBGNUTLS */
|
|
|
|
/* get ssl data for this session. if no ssl data is found allocate a new one*/
|
|
void
|
|
ssl_session_init(SslDecryptSession* ssl_session)
|
|
{
|
|
ssl_debug_printf("ssl_session_init: initializing ptr %p size %" G_GSIZE_MODIFIER "u\n",
|
|
(void *)ssl_session, sizeof(SslDecryptSession));
|
|
|
|
ssl_session->master_secret.data = ssl_session->_master_secret;
|
|
ssl_session->session_id.data = ssl_session->_session_id;
|
|
ssl_session->client_random.data = ssl_session->_client_random;
|
|
ssl_session->server_random.data = ssl_session->_server_random;
|
|
ssl_session->master_secret.data_len = 48;
|
|
ssl_session->server_data_for_iv.data_len = 0;
|
|
ssl_session->server_data_for_iv.data = ssl_session->_server_data_for_iv;
|
|
ssl_session->client_data_for_iv.data_len = 0;
|
|
ssl_session->client_data_for_iv.data = ssl_session->_client_data_for_iv;
|
|
ssl_session->app_data_segment.data=NULL;
|
|
ssl_session->app_data_segment.data_len=0;
|
|
SET_ADDRESS(&ssl_session->srv_addr, AT_NONE, 0, NULL);
|
|
ssl_session->srv_ptype = PT_NONE;
|
|
ssl_session->srv_port = 0;
|
|
}
|
|
|
|
void
|
|
ssl_set_server(SslDecryptSession* ssl, address *addr, port_type ptype, guint32 port)
|
|
{
|
|
SE_COPY_ADDRESS(&ssl->srv_addr, addr);
|
|
ssl->srv_ptype = ptype;
|
|
ssl->srv_port = port;
|
|
}
|
|
|
|
/* Hash Functions for TLS/DTLS sessions table and private keys table*/
|
|
gint
|
|
ssl_equal (gconstpointer v, gconstpointer v2)
|
|
{
|
|
const StringInfo *val1;
|
|
const StringInfo *val2;
|
|
val1 = (const StringInfo *)v;
|
|
val2 = (const StringInfo *)v2;
|
|
|
|
if (val1->data_len == val2->data_len &&
|
|
!memcmp(val1->data, val2->data, val2->data_len)) {
|
|
return 1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
guint
|
|
ssl_hash (gconstpointer v)
|
|
{
|
|
guint l,hash;
|
|
const StringInfo* id;
|
|
const guint* cur;
|
|
hash = 0;
|
|
id = (const StringInfo*) v;
|
|
|
|
/* id and id->data are mallocated in ssl_save_session(). As such 'data'
|
|
* should be aligned for any kind of access (for example as a guint as
|
|
* is done below). The intermediate void* cast is to prevent "cast
|
|
* increases required alignment of target type" warnings on CPUs (such
|
|
* as SPARCs) that do not allow misaligned memory accesses.
|
|
*/
|
|
cur = (const guint*)(void*) id->data;
|
|
|
|
for (l=4; (l < id->data_len); l+=4, cur++)
|
|
hash = hash ^ (*cur);
|
|
|
|
return hash;
|
|
}
|
|
|
|
gint
|
|
ssl_private_key_equal (gconstpointer v, gconstpointer v2)
|
|
{
|
|
const SslService *val1;
|
|
const SslService *val2;
|
|
val1 = (const SslService *)v;
|
|
val2 = (const SslService *)v2;
|
|
|
|
if ((val1->port == val2->port) &&
|
|
! CMP_ADDRESS(&val1->addr, &val2->addr)) {
|
|
return 1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
guint
|
|
ssl_private_key_hash (gconstpointer v)
|
|
{
|
|
const SslService *key;
|
|
guint l, hash, len ;
|
|
const guint* cur;
|
|
|
|
key = (const SslService *)v;
|
|
hash = key->port;
|
|
len = key->addr.len;
|
|
cur = (const guint*) key->addr.data;
|
|
|
|
for (l=4; (l<len); l+=4, cur++)
|
|
hash = hash ^ (*cur);
|
|
|
|
return hash;
|
|
}
|
|
|
|
/* private key table entries have a scope 'larger' then packet capture,
|
|
* so we can't relay on se_alloc** function */
|
|
void
|
|
ssl_private_key_free(gpointer id, gpointer key, gpointer dummy _U_)
|
|
{
|
|
if (id != NULL) {
|
|
g_free(id);
|
|
ssl_free_key((Ssl_private_key_t*) key);
|
|
}
|
|
}
|
|
|
|
/* handling of association between tls/dtls ports and clear text protocol */
|
|
void
|
|
ssl_association_add(GTree* associations, dissector_handle_t handle, guint port, const gchar *protocol, gboolean tcp, gboolean from_key_list)
|
|
{
|
|
|
|
SslAssociation* assoc;
|
|
assoc = g_malloc(sizeof(SslAssociation));
|
|
|
|
assoc->tcp = tcp;
|
|
assoc->ssl_port = port;
|
|
assoc->info=g_strdup(protocol);
|
|
assoc->handle = find_dissector(protocol);
|
|
assoc->from_key_list = from_key_list;
|
|
|
|
ssl_debug_printf("association_add %s port %d protocol %s handle %p\n",
|
|
(assoc->tcp)?"TCP":"UDP", port, protocol, (void *)(assoc->handle));
|
|
|
|
|
|
if (!assoc->handle) {
|
|
ssl_debug_printf("association_add could not find handle for protocol '%s', try to find 'data' dissector\n", protocol);
|
|
assoc->handle = find_dissector("data");
|
|
}
|
|
|
|
if (!assoc->handle) {
|
|
fprintf(stderr, "association_add() could not find handle for protocol:%s\n",protocol);
|
|
} else {
|
|
if (port) {
|
|
if (tcp)
|
|
dissector_add_uint("tcp.port", port, handle);
|
|
else
|
|
dissector_add_uint("udp.port", port, handle);
|
|
}
|
|
g_tree_insert(associations, assoc, assoc);
|
|
|
|
dissector_add_uint("sctp.port", port, handle);
|
|
}
|
|
}
|
|
|
|
void
|
|
ssl_association_remove(GTree* associations, SslAssociation *assoc)
|
|
{
|
|
ssl_debug_printf("ssl_association_remove removing %s %u - %s handle %p\n",
|
|
(assoc->tcp)?"TCP":"UDP", assoc->ssl_port, assoc->info, (void *)(assoc->handle));
|
|
if (assoc->handle)
|
|
dissector_delete_uint((assoc->tcp)?"tcp.port":"udp.port", assoc->ssl_port, assoc->handle);
|
|
|
|
g_free(assoc->info);
|
|
|
|
g_tree_remove(associations, assoc);
|
|
g_free(assoc);
|
|
}
|
|
|
|
gint
|
|
ssl_association_cmp(gconstpointer a, gconstpointer b)
|
|
{
|
|
const SslAssociation *assoc_a=a, *assoc_b=b;
|
|
if (assoc_a->tcp != assoc_b->tcp) return (assoc_a->tcp)?1:-1;
|
|
return assoc_a->ssl_port - assoc_b->ssl_port;
|
|
}
|
|
|
|
SslAssociation*
|
|
ssl_association_find(GTree * associations, guint port, gboolean tcp)
|
|
{
|
|
register SslAssociation* ret;
|
|
SslAssociation assoc_tmp;
|
|
|
|
assoc_tmp.tcp = tcp;
|
|
assoc_tmp.ssl_port = port;
|
|
ret = g_tree_lookup(associations, &assoc_tmp);
|
|
|
|
ssl_debug_printf("association_find: %s port %d found %p\n", (tcp)?"TCP":"UDP", port, (void *)ret);
|
|
return ret;
|
|
}
|
|
|
|
gint
|
|
ssl_assoc_from_key_list(gpointer key _U_, gpointer data, gpointer user_data)
|
|
{
|
|
if (((SslAssociation*)data)->from_key_list)
|
|
ep_stack_push((ep_stack_t)user_data, data);
|
|
return FALSE;
|
|
}
|
|
|
|
int
|
|
ssl_packet_from_server(SslDecryptSession* ssl, GTree* associations, packet_info *pinfo)
|
|
{
|
|
gint ret;
|
|
if (ssl && (ssl->srv_ptype != PT_NONE)) {
|
|
ret = (ssl->srv_ptype == pinfo->ptype) && (ssl->srv_port == pinfo->srcport) && ADDRESSES_EQUAL(&ssl->srv_addr, &pinfo->src);
|
|
} else {
|
|
ret = ssl_association_find(associations, pinfo->srcport, pinfo->ptype == PT_TCP) != 0;
|
|
}
|
|
|
|
ssl_debug_printf("packet_from_server: is from server - %s\n", (ret)?"TRUE":"FALSE");
|
|
return ret;
|
|
}
|
|
|
|
/* add to packet data a copy of the specified real data */
|
|
void
|
|
ssl_add_record_info(gint proto, packet_info *pinfo, guchar* data, gint data_len, gint record_id)
|
|
{
|
|
guchar* real_data;
|
|
SslRecordInfo* rec;
|
|
SslPacketInfo* pi;
|
|
|
|
pi = p_get_proto_data(pinfo->fd, proto);
|
|
if (!pi)
|
|
{
|
|
pi = se_alloc0(sizeof(SslPacketInfo));
|
|
p_add_proto_data(pinfo->fd, proto, pi);
|
|
}
|
|
|
|
real_data = se_alloc(data_len);
|
|
memcpy(real_data, data, data_len);
|
|
|
|
rec = se_alloc(sizeof(SslRecordInfo));
|
|
rec->id = record_id;
|
|
rec->real_data = real_data;
|
|
rec->data_len = data_len;
|
|
|
|
/* head insertion */
|
|
rec->next= pi->handshake_data;
|
|
pi->handshake_data = rec;
|
|
}
|
|
|
|
/* search in packet data for the specified id; return a newly created tvb for the associated data */
|
|
tvbuff_t*
|
|
ssl_get_record_info(tvbuff_t *parent_tvb, int proto, packet_info *pinfo, gint record_id)
|
|
{
|
|
SslRecordInfo* rec;
|
|
SslPacketInfo* pi;
|
|
pi = p_get_proto_data(pinfo->fd, proto);
|
|
|
|
if (!pi)
|
|
return NULL;
|
|
|
|
for (rec = pi->handshake_data; rec; rec = rec->next)
|
|
if (rec->id == record_id)
|
|
/* link new real_data_tvb with a parent tvb so it is freed when frame dissection is complete */
|
|
return tvb_new_child_real_data(parent_tvb, rec->real_data, rec->data_len, rec->data_len);
|
|
|
|
return NULL;
|
|
}
|
|
|
|
void
|
|
ssl_add_data_info(gint proto, packet_info *pinfo, guchar* data, gint data_len, gint key, SslFlow *flow)
|
|
{
|
|
SslDataInfo *rec, **prec;
|
|
SslPacketInfo *pi;
|
|
|
|
pi = p_get_proto_data(pinfo->fd, proto);
|
|
if (!pi)
|
|
{
|
|
pi = se_alloc0(sizeof(SslPacketInfo));
|
|
p_add_proto_data(pinfo->fd, proto,pi);
|
|
}
|
|
|
|
rec = se_alloc(sizeof(SslDataInfo)+data_len);
|
|
rec->key = key;
|
|
rec->plain_data.data = (guchar*)(rec + 1);
|
|
memcpy(rec->plain_data.data, data, data_len);
|
|
rec->plain_data.data_len = data_len;
|
|
if (flow)
|
|
{
|
|
rec->seq = flow->byte_seq;
|
|
rec->nxtseq = flow->byte_seq + data_len;
|
|
rec->flow = flow;
|
|
flow->byte_seq += data_len;
|
|
}
|
|
rec->next = NULL;
|
|
|
|
/* insertion */
|
|
prec = &pi->appl_data;
|
|
while (*prec) prec = &(*prec)->next;
|
|
*prec = rec;
|
|
|
|
ssl_debug_printf("ssl_add_data_info: new data inserted data_len = %d, seq = %u, nxtseq = %u\n",
|
|
rec->plain_data.data_len, rec->seq, rec->nxtseq);
|
|
}
|
|
|
|
SslDataInfo*
|
|
ssl_get_data_info(int proto, packet_info *pinfo, gint key)
|
|
{
|
|
SslDataInfo* rec;
|
|
SslPacketInfo* pi;
|
|
pi = p_get_proto_data(pinfo->fd, proto);
|
|
|
|
if (!pi) return NULL;
|
|
|
|
rec = pi->appl_data;
|
|
while (rec) {
|
|
if (rec->key == key) return rec;
|
|
rec = rec->next;
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
/* initialize/reset per capture state data (ssl sessions cache) */
|
|
void
|
|
ssl_common_init(GHashTable **session_hash, StringInfo *decrypted_data, StringInfo *compressed_data)
|
|
{
|
|
if (*session_hash)
|
|
g_hash_table_destroy(*session_hash);
|
|
*session_hash = g_hash_table_new(ssl_hash, ssl_equal);
|
|
|
|
g_free(decrypted_data->data);
|
|
ssl_data_alloc(decrypted_data, 32);
|
|
|
|
g_free(compressed_data->data);
|
|
ssl_data_alloc(compressed_data, 32);
|
|
}
|
|
|
|
/* parse ssl related preferences (private keys and ports association strings) */
|
|
void
|
|
ssl_parse_key_list(const ssldecrypt_assoc_t * uats, GHashTable *key_hash, GTree* associations, dissector_handle_t handle, gboolean tcp)
|
|
{
|
|
SslService* service;
|
|
Ssl_private_key_t* private_key, *tmp_private_key;
|
|
FILE* fp = NULL;
|
|
guint32 addr_data[4];
|
|
int addr_len, at;
|
|
address_type addr_type[2] = { AT_IPv4, AT_IPv6 };
|
|
|
|
/* try to load keys file first */
|
|
fp = ws_fopen(uats->keyfile, "rb");
|
|
if (!fp) {
|
|
fprintf(stderr, "Can't open file %s\n",uats->keyfile);
|
|
return;
|
|
}
|
|
|
|
for (at = 0; at < 2; at++) {
|
|
memset(addr_data, 0, sizeof(addr_data));
|
|
addr_len = 0;
|
|
|
|
/* any: IPv4 or IPv6 wildcard */
|
|
/* anyipv4: IPv4 wildcard */
|
|
/* anyipv6: IPv6 wildcard */
|
|
|
|
if(addr_type[at] == AT_IPv4) {
|
|
if (strcmp(uats->ipaddr, "any") == 0 || strcmp(uats->ipaddr, "anyipv4") == 0 ||
|
|
get_host_ipaddr(uats->ipaddr, &addr_data[0])) {
|
|
addr_len = 4;
|
|
}
|
|
} else { /* AT_IPv6 */
|
|
if(strcmp(uats->ipaddr, "any") == 0 || strcmp(uats->ipaddr, "anyipv6") == 0 ||
|
|
get_host_ipaddr6(uats->ipaddr, (struct e_in6_addr *) addr_data)) {
|
|
addr_len = 16;
|
|
}
|
|
}
|
|
|
|
if (! addr_len) {
|
|
continue;
|
|
}
|
|
|
|
if ((gint)strlen(uats->password) == 0) {
|
|
private_key = ssl_load_key(fp);
|
|
} else {
|
|
private_key = ssl_load_pkcs12(fp, uats->password);
|
|
}
|
|
|
|
if (!private_key) {
|
|
fprintf(stderr,"Can't load private key from %s\n", uats->keyfile);
|
|
fclose(fp);
|
|
return;
|
|
}
|
|
|
|
service = g_malloc(sizeof(SslService) + addr_len);
|
|
service->addr.type = addr_type[at];
|
|
service->addr.len = addr_len;
|
|
service->addr.data = ((guchar*)service) + sizeof(SslService);
|
|
memcpy((void*)service->addr.data, addr_data, addr_len);
|
|
|
|
if(strcmp(uats->port,"start_tls")==0) {
|
|
service->port = 0;
|
|
} else {
|
|
service->port = atoi(uats->port);
|
|
}
|
|
|
|
ssl_debug_printf("ssl_init %s addr '%s' (%s) port '%d' filename '%s' password(only for p12 file) '%s'\n",
|
|
(addr_type[at] == AT_IPv4) ? "IPv4" : "IPv6", uats->ipaddr, ep_address_to_str(&service->addr),
|
|
service->port, uats->keyfile, uats->password);
|
|
|
|
ssl_debug_printf("ssl_init private key file %s successfully loaded.\n", uats->keyfile);
|
|
|
|
/* if item exists, remove first */
|
|
tmp_private_key = g_hash_table_lookup(key_hash, service);
|
|
if (tmp_private_key) {
|
|
g_hash_table_remove(key_hash, service);
|
|
ssl_free_key(tmp_private_key);
|
|
}
|
|
|
|
g_hash_table_insert(key_hash, service, private_key);
|
|
|
|
ssl_association_add(associations, handle, service->port, uats->protocol, tcp, TRUE);
|
|
}
|
|
|
|
fclose(fp);
|
|
}
|
|
|
|
/* store master secret into session data cache */
|
|
void
|
|
ssl_save_session(SslDecryptSession* ssl, GHashTable *session_hash)
|
|
{
|
|
/* allocate stringinfo chunks for session id and master secret data*/
|
|
StringInfo* session_id;
|
|
StringInfo* master_secret;
|
|
session_id = se_alloc0(sizeof(StringInfo) + ssl->session_id.data_len);
|
|
master_secret = se_alloc0(48 + sizeof(StringInfo));
|
|
|
|
master_secret->data = ((guchar*)master_secret+sizeof(StringInfo));
|
|
|
|
/* ssl_hash() depends on session_id->data being aligned for guint access
|
|
* so be careful in changing how it is allocated.
|
|
*/
|
|
session_id->data = ((guchar*)session_id+sizeof(StringInfo));
|
|
|
|
ssl_data_set(session_id, ssl->session_id.data, ssl->session_id.data_len);
|
|
ssl_data_set(master_secret, ssl->master_secret.data, ssl->master_secret.data_len);
|
|
g_hash_table_insert(session_hash, session_id, master_secret);
|
|
ssl_print_string("ssl_save_session stored session id", session_id);
|
|
ssl_print_string("ssl_save_session stored master secret", master_secret);
|
|
}
|
|
|
|
gboolean
|
|
ssl_restore_session(SslDecryptSession* ssl, GHashTable *session_hash)
|
|
{
|
|
StringInfo* ms;
|
|
ms = g_hash_table_lookup(session_hash, &ssl->session_id);
|
|
|
|
if (!ms) {
|
|
ssl_debug_printf("ssl_restore_session can't find stored session\n");
|
|
return FALSE;
|
|
}
|
|
ssl_data_set(&ssl->master_secret, ms->data, ms->data_len);
|
|
ssl->state |= SSL_MASTER_SECRET;
|
|
ssl_debug_printf("ssl_restore_session master key retrieved\n");
|
|
return TRUE;
|
|
}
|
|
|
|
int
|
|
ssl_is_valid_content_type(guint8 type)
|
|
{
|
|
if ((type >= 0x14) && (type <= 0x18))
|
|
{
|
|
return 1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static guint8
|
|
from_hex_char(gchar c) {
|
|
if ((c >= '0') && (c <= '9'))
|
|
return c - '0';
|
|
if ((c >= 'A') && (c <= 'F'))
|
|
return c - 'A' + 10;
|
|
if ((c >= 'a') && (c <= 'f'))
|
|
return c - 'a' + 10;
|
|
return 16;
|
|
}
|
|
|
|
/* from_hex converts |hex_len| bytes of hex data from |in| and sets |*out| to
|
|
* the result. |out->data| will be allocated using se_alloc. Returns TRUE on
|
|
* success. */
|
|
static gboolean from_hex(StringInfo* out, const char* in, gsize hex_len) {
|
|
gsize i;
|
|
|
|
if (hex_len & 1)
|
|
return FALSE;
|
|
|
|
out->data_len = (guint)hex_len/2;
|
|
out->data = se_alloc(out->data_len);
|
|
for (i = 0; i < out->data_len; i++) {
|
|
guint8 a = from_hex_char(in[i*2]);
|
|
guint8 b = from_hex_char(in[i*2 + 1]);
|
|
if (a == 16 || b == 16)
|
|
return FALSE;
|
|
out->data[i] = a << 4 | b;
|
|
}
|
|
return TRUE;
|
|
}
|
|
|
|
static const unsigned int kRSAMasterSecretLength = 48; /* RFC5246 8.1 */
|
|
|
|
/* ssl_keylog_parse_session_id parses, from |line|, a string that looks like:
|
|
* RSA Session-ID:<hex session id> Master-Key:<hex TLS master secret>.
|
|
*
|
|
* It returns TRUE iff the session id matches |ssl_session| and the master
|
|
* secret is correctly extracted. */
|
|
static gboolean
|
|
ssl_keylog_parse_session_id(const char* line,
|
|
SslDecryptSession* ssl_session)
|
|
{
|
|
gsize len = strlen(line);
|
|
unsigned int i;
|
|
|
|
if (ssl_session->session_id.data_len == 0)
|
|
return FALSE;
|
|
|
|
if (len < 15 || memcmp(line, "RSA Session-ID:", 15) != 0)
|
|
return FALSE;
|
|
line += 15;
|
|
len -= 15;
|
|
|
|
if (len < ssl_session->session_id.data_len*2)
|
|
return FALSE;
|
|
|
|
for (i = 0; i < ssl_session->session_id.data_len; i++) {
|
|
if (from_hex_char(line[2*i]) != (ssl_session->session_id.data[i] >> 4) ||
|
|
from_hex_char(line[2*i+1]) != (ssl_session->session_id.data[i] & 15)) {
|
|
ssl_debug_printf(" line does not match session id\n");
|
|
return FALSE;
|
|
}
|
|
}
|
|
|
|
line += 2*i;
|
|
len -= 2*i;
|
|
|
|
if (len != 12 + kRSAMasterSecretLength*2 ||
|
|
memcmp(line, " Master-Key:", 12) != 0) {
|
|
return FALSE;
|
|
}
|
|
line += 12;
|
|
len -= 12;
|
|
|
|
if (!from_hex(&ssl_session->master_secret, line, len))
|
|
return FALSE;
|
|
ssl_session->state &= ~(SSL_PRE_MASTER_SECRET|SSL_HAVE_SESSION_KEY);
|
|
ssl_session->state |= SSL_MASTER_SECRET;
|
|
ssl_debug_printf("found master secret in key log\n");
|
|
return TRUE;
|
|
}
|
|
|
|
/* ssl_keylog_parse_client_random parses, from |line|, a string that looks like:
|
|
* CLIENT_RANDOM <hex client_random> <hex TLS master secret>.
|
|
*
|
|
* It returns TRUE iff the client_random matches |ssl_session| and the master
|
|
* secret is correctly extracted. */
|
|
static gboolean
|
|
ssl_keylog_parse_client_random(const char* line,
|
|
SslDecryptSession* ssl_session)
|
|
{
|
|
static const unsigned int kTLSRandomSize = 32; /* RFC5246 A.6 */
|
|
gsize len = strlen(line);
|
|
unsigned int i;
|
|
|
|
if (len < 14 || memcmp(line, "CLIENT_RANDOM ", 14) != 0)
|
|
return FALSE;
|
|
line += 14;
|
|
len -= 14;
|
|
|
|
if (len < kTLSRandomSize*2 ||
|
|
ssl_session->client_random.data_len != kTLSRandomSize) {
|
|
return FALSE;
|
|
}
|
|
|
|
for (i = 0; i < kTLSRandomSize; i++) {
|
|
if (from_hex_char(line[2*i]) != (ssl_session->client_random.data[i] >> 4) ||
|
|
from_hex_char(line[2*i+1]) != (ssl_session->client_random.data[i] & 15)) {
|
|
ssl_debug_printf(" line does not match client random\n");
|
|
return FALSE;
|
|
}
|
|
}
|
|
|
|
line += 2*kTLSRandomSize;
|
|
len -= 2*kTLSRandomSize;
|
|
|
|
if (len != 1 + kRSAMasterSecretLength*2 || line[0] != ' ')
|
|
return FALSE;
|
|
line++;
|
|
len--;
|
|
|
|
if (!from_hex(&ssl_session->master_secret, line, len))
|
|
return FALSE;
|
|
ssl_session->state &= ~(SSL_PRE_MASTER_SECRET|SSL_HAVE_SESSION_KEY);
|
|
ssl_session->state |= SSL_MASTER_SECRET;
|
|
ssl_debug_printf("found master secret in key log\n");
|
|
return TRUE;
|
|
}
|
|
|
|
/* ssl_keylog_parse_session_id parses, from |line|, a string that looks like:
|
|
* RSA <hex, 8-bytes of encrypted pre-master secret> <hex pre-master secret>.
|
|
*
|
|
* It returns TRUE iff the session id matches |ssl_session| and the master
|
|
* secret is correctly extracted. */
|
|
static gboolean
|
|
ssl_keylog_parse_rsa_premaster(const char* line,
|
|
SslDecryptSession* ssl_session,
|
|
StringInfo* encrypted_pre_master)
|
|
{
|
|
static const unsigned int kRSAPremasterLength = 48; /* RFC5246 7.4.7.1 */
|
|
gsize len = strlen(line);
|
|
unsigned int i;
|
|
|
|
if (encrypted_pre_master == NULL)
|
|
return FALSE;
|
|
|
|
if (encrypted_pre_master->data_len < 8)
|
|
return FALSE;
|
|
|
|
if (len < 4 || memcmp(line, "RSA ", 4) != 0)
|
|
return FALSE;
|
|
line += 4;
|
|
len -= 4;
|
|
|
|
if (len < 16)
|
|
return FALSE;
|
|
|
|
for (i = 0; i < 8; i++) {
|
|
if (from_hex_char(line[2*i]) != (encrypted_pre_master->data[i] >> 4) ||
|
|
from_hex_char(line[2*i+1]) != (encrypted_pre_master->data[i] & 15)) {
|
|
ssl_debug_printf(" line does not match encrypted pre-master secret");
|
|
return FALSE;
|
|
}
|
|
}
|
|
|
|
line += 16;
|
|
len -= 16;
|
|
|
|
if (len != 1 + kRSAPremasterLength*2 || line[0] != ' ')
|
|
return FALSE;
|
|
line++;
|
|
len--;
|
|
|
|
if (!from_hex(&ssl_session->pre_master_secret, line, len))
|
|
return FALSE;
|
|
ssl_session->state &= ~(SSL_MASTER_SECRET|SSL_HAVE_SESSION_KEY);
|
|
ssl_session->state |= SSL_PRE_MASTER_SECRET;
|
|
ssl_debug_printf("found pre-master secret in key log\n");
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
int
|
|
ssl_keylog_lookup(SslDecryptSession* ssl_session,
|
|
const gchar* ssl_keylog_filename,
|
|
StringInfo* encrypted_pre_master) {
|
|
FILE* ssl_keylog;
|
|
int ret = -1;
|
|
|
|
if (!ssl_keylog_filename)
|
|
return -1;
|
|
|
|
ssl_debug_printf("trying to use SSL keylog in %s\n", ssl_keylog_filename);
|
|
|
|
ssl_keylog = ws_fopen(ssl_keylog_filename, "r");
|
|
if (!ssl_keylog) {
|
|
ssl_debug_printf("failed to open SSL keylog\n");
|
|
return -1;
|
|
}
|
|
|
|
/* The format of the file is a series of records with one of the following formats:
|
|
* - "RSA xxxx yyyy"
|
|
* Where xxxx are the first 8 bytes of the encrypted pre-master secret (hex-encoded)
|
|
* Where yyyy is the cleartext pre-master secret (hex-encoded)
|
|
* (this is the original format introduced with bug 4349)
|
|
*
|
|
* - "RSA Session-ID:xxxx Master-Key:yyyy"
|
|
* Where xxxx is the SSL session ID (hex-encoded)
|
|
* Where yyyy is the cleartext master secret (hex-encoded)
|
|
* (added to support openssl s_client Master-Key output)
|
|
* This is somewhat is a misnomer because there's nothing RSA specific
|
|
* about this.
|
|
*
|
|
* - "CLIENT_RANDOM xxxx yyyy"
|
|
* Where xxxx is the client_random from the ClientHello (hex-encoded)
|
|
* Where yyy is the cleartext master secret (hex-encoded)
|
|
* (This format allows non-RSA SSL connections to be decrypted, i.e.
|
|
* ECDHE-RSA.)
|
|
*/
|
|
for (;;) {
|
|
char buf[512], *line;
|
|
gsize bytes_read;
|
|
|
|
line = fgets(buf, sizeof(buf), ssl_keylog);
|
|
if (!line)
|
|
break;
|
|
|
|
bytes_read = strlen(line);
|
|
/* fgets includes the \n at the end of the line. */
|
|
if (bytes_read > 0) {
|
|
line[bytes_read - 1] = 0;
|
|
bytes_read--;
|
|
}
|
|
|
|
ssl_debug_printf(" checking keylog line: %s\n", line);
|
|
|
|
if (ssl_keylog_parse_session_id(line, ssl_session) ||
|
|
ssl_keylog_parse_rsa_premaster(line, ssl_session,
|
|
encrypted_pre_master) ||
|
|
ssl_keylog_parse_client_random(line, ssl_session)) {
|
|
ret = 1;
|
|
break;
|
|
} else {
|
|
ssl_debug_printf(" line does not match\n");
|
|
}
|
|
}
|
|
|
|
fclose(ssl_keylog);
|
|
return ret;
|
|
}
|
|
|
|
#ifdef SSL_DECRYPT_DEBUG
|
|
|
|
static FILE* ssl_debug_file=NULL;
|
|
|
|
void
|
|
ssl_set_debug(const gchar* name)
|
|
{
|
|
static gint debug_file_must_be_closed;
|
|
gint use_stderr;
|
|
|
|
debug_file_must_be_closed = 0;
|
|
use_stderr = name?(strcmp(name, SSL_DEBUG_USE_STDERR) == 0):0;
|
|
|
|
if (debug_file_must_be_closed)
|
|
fclose(ssl_debug_file);
|
|
if (use_stderr)
|
|
ssl_debug_file = stderr;
|
|
else if (!name || (strcmp(name, "") ==0))
|
|
ssl_debug_file = NULL;
|
|
else
|
|
ssl_debug_file = ws_fopen(name, "w");
|
|
if (!use_stderr && ssl_debug_file)
|
|
debug_file_must_be_closed = 1;
|
|
}
|
|
|
|
void
|
|
ssl_debug_flush(void)
|
|
{
|
|
if (ssl_debug_file)
|
|
fflush(ssl_debug_file);
|
|
}
|
|
|
|
void
|
|
ssl_debug_printf(const gchar* fmt, ...)
|
|
{
|
|
va_list ap;
|
|
|
|
if (!ssl_debug_file)
|
|
return;
|
|
|
|
va_start(ap, fmt);
|
|
vfprintf(ssl_debug_file, fmt, ap);
|
|
va_end(ap);
|
|
}
|
|
|
|
void
|
|
ssl_print_data(const gchar* name, const guchar* data, size_t len)
|
|
{
|
|
size_t i, j, k;
|
|
if (!ssl_debug_file)
|
|
return;
|
|
fprintf(ssl_debug_file,"%s[%d]:\n",name, (int) len);
|
|
for (i=0; i<len; i+=16) {
|
|
for (j=i, k=0; k<16 && j<len; ++j, ++k)
|
|
fprintf(ssl_debug_file,"%.2x ",data[j]);
|
|
for (; k<16; ++k)
|
|
fprintf(ssl_debug_file," ");
|
|
fprintf(ssl_debug_file,"|");
|
|
for (j=i, k=0; k<16 && j<len; ++j, ++k)
|
|
fprintf(ssl_debug_file,"%c",isprint(data[j]) ? data[j] : '.');
|
|
fprintf(ssl_debug_file,"|\n");
|
|
}
|
|
}
|
|
|
|
void
|
|
ssl_print_string(const gchar* name, const StringInfo* data)
|
|
{
|
|
ssl_print_data(name, data->data, data->data_len);
|
|
}
|
|
#endif /* SSL_DECRYPT_DEBUG */
|
|
|
|
/* checks for SSL and DTLS UAT key list fields */
|
|
|
|
gboolean
|
|
ssldecrypt_uat_fld_ip_chk_cb(void* r _U_, const char* p, unsigned len _U_, const void* u1 _U_, const void* u2 _U_, const char** err)
|
|
{
|
|
if (!p || strlen(p) == 0u) {
|
|
*err = ep_strdup_printf("No IP address given.");
|
|
return FALSE;
|
|
}
|
|
|
|
*err = NULL;
|
|
return TRUE;
|
|
}
|
|
|
|
gboolean
|
|
ssldecrypt_uat_fld_port_chk_cb(void* r _U_, const char* p, unsigned len _U_, const void* u1 _U_, const void* u2 _U_, const char** err)
|
|
{
|
|
if (!p || strlen(p) == 0u) {
|
|
*err = ep_strdup_printf("No Port given.");
|
|
return FALSE;
|
|
}
|
|
|
|
if (strcmp(p, "start_tls") != 0){
|
|
const gint i = atoi(p);
|
|
if (i <= 0 || i > 65535) {
|
|
*err = ep_strdup_printf("Invalid port given.");
|
|
return FALSE;
|
|
}
|
|
}
|
|
|
|
*err = NULL;
|
|
return TRUE;
|
|
}
|
|
|
|
gboolean
|
|
ssldecrypt_uat_fld_protocol_chk_cb(void* r _U_, const char* p, unsigned len _U_, const void* u1 _U_, const void* u2 _U_, const char** err)
|
|
{
|
|
if (!p || strlen(p) == 0u) {
|
|
*err = ep_strdup_printf("No protocol given.");
|
|
return FALSE;
|
|
}
|
|
|
|
if (!find_dissector(p)) {
|
|
*err = ep_strdup_printf("Could not find dissector for: '%s'\nValid dissectors are:\n%s", p, ssl_association_info());
|
|
return FALSE;
|
|
}
|
|
|
|
*err = NULL;
|
|
return TRUE;
|
|
}
|
|
|
|
gboolean
|
|
ssldecrypt_uat_fld_fileopen_chk_cb(void* r _U_, const char* p, unsigned len _U_, const void* u1 _U_, const void* u2 _U_, const char** err)
|
|
{
|
|
ws_statb64 st;
|
|
|
|
if (!p || strlen(p) == 0u) {
|
|
*err = ep_strdup_printf("No filename given.");
|
|
return FALSE;
|
|
} else {
|
|
if (ws_stat64(p, &st) != 0) {
|
|
*err = ep_strdup_printf("File '%s' does not exist or access is denied.", p);
|
|
return FALSE;
|
|
}
|
|
}
|
|
|
|
*err = NULL;
|
|
return TRUE;
|
|
}
|
|
|
|
gboolean
|
|
ssldecrypt_uat_fld_password_chk_cb(void* r _U_, const char* p, unsigned len _U_, const void* u1 _U_, const void* u2 _U_, const char ** err)
|
|
{
|
|
ssldecrypt_assoc_t* f = r;
|
|
FILE *fp = NULL;
|
|
|
|
if (p && (strlen(p) > 0u)) {
|
|
fp = ws_fopen(f->keyfile, "rb");
|
|
if (fp) {
|
|
if (!ssl_load_pkcs12(fp, p)) {
|
|
fclose(fp);
|
|
*err = ep_strdup_printf("Invalid. Password is necessary only if you use PKCS#12 key file.");
|
|
return FALSE;
|
|
}
|
|
fclose(fp);
|
|
} else {
|
|
*err = ep_strdup_printf("Leave this field blank if the keyfile is not PKCS#12.");
|
|
return FALSE;
|
|
}
|
|
}
|
|
|
|
*err = NULL;
|
|
return TRUE;
|
|
}
|
|
|
|
/*
|
|
* Editor modelines - http://www.wireshark.org/tools/modelines.html
|
|
*
|
|
* Local variables:
|
|
* c-basic-offset: 4
|
|
* tab-width: 8
|
|
* indent-tabs-mode: nil
|
|
* End:
|
|
*
|
|
* vi: set shiftwidth=4 tabstop=8 expandtab:
|
|
* :indentSize=4:tabSize=8:noTabs=true:
|
|
*/
|