2 * ssl manipulation functions
3 * By Paolo Abeni <paolo.abeni@email.com>
7 * Wireshark - Network traffic analyzer
8 * By Gerald Combs <gerald@wireshark.org>
9 * Copyright 1998 Gerald Combs
11 * This program is free software; you can redistribute it and/or
12 * modify it under the terms of the GNU General Public License
13 * as published by the Free Software Foundation; either version 2
14 * of the License, or (at your option) any later version.
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
36 #include "packet-ssl-utils.h"
38 #include <epan/emem.h>
39 #include <epan/strutil.h>
40 #include <wsutil/file_util.h>
46 const gchar* ssl_version_short_names[] = {
57 const value_string ssl_20_msg_types[] = {
58 { SSL2_HND_ERROR, "Error" },
59 { SSL2_HND_CLIENT_HELLO, "Client Hello" },
60 { SSL2_HND_CLIENT_MASTER_KEY, "Client Master Key" },
61 { SSL2_HND_CLIENT_FINISHED, "Client Finished" },
62 { SSL2_HND_SERVER_HELLO, "Server Hello" },
63 { SSL2_HND_SERVER_VERIFY, "Server Verify" },
64 { SSL2_HND_SERVER_FINISHED, "Server Finished" },
65 { SSL2_HND_REQUEST_CERTIFICATE, "Request Certificate" },
66 { SSL2_HND_CLIENT_CERTIFICATE, "Client Certificate" },
70 const value_string ssl_20_cipher_suites[] = {
71 { 0x010080, "SSL2_RC4_128_WITH_MD5" },
72 { 0x020080, "SSL2_RC4_128_EXPORT40_WITH_MD5" },
73 { 0x030080, "SSL2_RC2_CBC_128_CBC_WITH_MD5" },
74 { 0x040080, "SSL2_RC2_CBC_128_CBC_WITH_MD5" },
75 { 0x050080, "SSL2_IDEA_128_CBC_WITH_MD5" },
76 { 0x060040, "SSL2_DES_64_CBC_WITH_MD5" },
77 { 0x0700c0, "SSL2_DES_192_EDE3_CBC_WITH_MD5" },
78 { 0x080080, "SSL2_RC4_64_WITH_MD5" },
79 { 0x000000, "TLS_NULL_WITH_NULL_NULL" },
80 { 0x000001, "TLS_RSA_WITH_NULL_MD5" },
81 { 0x000002, "TLS_RSA_WITH_NULL_SHA" },
82 { 0x000003, "TLS_RSA_EXPORT_WITH_RC4_40_MD5" },
83 { 0x000004, "TLS_RSA_WITH_RC4_128_MD5" },
84 { 0x000005, "TLS_RSA_WITH_RC4_128_SHA" },
85 { 0x000006, "TLS_RSA_EXPORT_WITH_RC2_CBC_40_MD5" },
86 { 0x000007, "TLS_RSA_WITH_IDEA_CBC_SHA" },
87 { 0x000008, "TLS_RSA_EXPORT_WITH_DES40_CBC_SHA" },
88 { 0x000009, "TLS_RSA_WITH_DES_CBC_SHA" },
89 { 0x00000a, "TLS_RSA_WITH_3DES_EDE_CBC_SHA" },
90 { 0x00000b, "TLS_DH_DSS_EXPORT_WITH_DES40_CBC_SHA" },
91 { 0x00000c, "TLS_DH_DSS_WITH_DES_CBC_SHA" },
92 { 0x00000d, "TLS_DH_DSS_WITH_3DES_EDE_CBC_SHA" },
93 { 0x00000e, "TLS_DH_RSA_EXPORT_WITH_DES40_CBC_SHA" },
94 { 0x00000f, "TLS_DH_RSA_WITH_DES_CBC_SHA" },
95 { 0x000010, "TLS_DH_RSA_WITH_3DES_EDE_CBC_SHA" },
96 { 0x000011, "TLS_DHE_DSS_EXPORT_WITH_DES40_CBC_SHA" },
97 { 0x000012, "TLS_DHE_DSS_WITH_DES_CBC_SHA" },
98 { 0x000013, "TLS_DHE_DSS_WITH_3DES_EDE_CBC_SHA" },
99 { 0x000014, "TLS_DHE_RSA_EXPORT_WITH_DES40_CBC_SHA" },
100 { 0x000015, "TLS_DHE_RSA_WITH_DES_CBC_SHA" },
101 { 0x000016, "TLS_DHE_RSA_WITH_3DES_EDE_CBC_SHA" },
102 { 0x000017, "TLS_DH_anon_EXPORT_WITH_RC4_40_MD5" },
103 { 0x000018, "TLS_DH_anon_WITH_RC4_128_MD5" },
104 { 0x000019, "TLS_DH_anon_EXPORT_WITH_DES40_CBC_SHA" },
105 { 0x00001a, "TLS_DH_anon_WITH_DES_CBC_SHA" },
106 { 0x00001b, "TLS_DH_anon_WITH_3DES_EDE_CBC_SHA" },
107 { 0x00001c, "SSL_FORTEZZA_KEA_WITH_NULL_SHA" },
108 { 0x00001d, "SSL_FORTEZZA_KEA_WITH_FORTEZZA_CBC_SHA" },
110 { 0x00001e, "SSL_FORTEZZA_KEA_WITH_RC4_128_SHA" },
113 { 0x00001E, "TLS_KRB5_WITH_DES_CBC_SHA" },
114 { 0x00001F, "TLS_KRB5_WITH_3DES_EDE_CBC_SHA" },
115 { 0x000020, "TLS_KRB5_WITH_RC4_128_SHA" },
116 { 0x000021, "TLS_KRB5_WITH_IDEA_CBC_SHA" },
117 { 0x000022, "TLS_KRB5_WITH_DES_CBC_MD5" },
118 { 0x000023, "TLS_KRB5_WITH_3DES_EDE_CBC_MD5" },
119 { 0x000024, "TLS_KRB5_WITH_RC4_128_MD5" },
120 { 0x000025, "TLS_KRB5_WITH_IDEA_CBC_MD5" },
121 { 0x000026, "TLS_KRB5_EXPORT_WITH_DES_CBC_40_SHA" },
122 { 0x000027, "TLS_KRB5_EXPORT_WITH_RC2_CBC_40_SHA" },
123 { 0x000028, "TLS_KRB5_EXPORT_WITH_RC4_40_SHA" },
124 { 0x000029, "TLS_KRB5_EXPORT_WITH_DES_CBC_40_MD5" },
125 { 0x00002A, "TLS_KRB5_EXPORT_WITH_RC2_CBC_40_MD5" },
126 { 0x00002B, "TLS_KRB5_EXPORT_WITH_RC4_40_MD5" },
128 { 0x00002C, "TLS_PSK_WITH_NULL_SHA" },
129 { 0x00002D, "TLS_DHE_PSK_WITH_NULL_SHA" },
130 { 0x00002E, "TLS_RSA_PSK_WITH_NULL_SHA" },
132 { 0x00002f, "TLS_RSA_WITH_AES_128_CBC_SHA" },
133 { 0x000030, "TLS_DH_DSS_WITH_AES_128_CBC_SHA" },
134 { 0x000031, "TLS_DH_RSA_WITH_AES_128_CBC_SHA" },
135 { 0x000032, "TLS_DHE_DSS_WITH_AES_128_CBC_SHA" },
136 { 0x000033, "TLS_DHE_RSA_WITH_AES_128_CBC_SHA" },
137 { 0x000034, "TLS_DH_anon_WITH_AES_128_CBC_SHA" },
138 { 0x000035, "TLS_RSA_WITH_AES_256_CBC_SHA" },
139 { 0x000036, "TLS_DH_DSS_WITH_AES_256_CBC_SHA" },
140 { 0x000037, "TLS_DH_RSA_WITH_AES_256_CBC_SHA" },
141 { 0x000038, "TLS_DHE_DSS_WITH_AES_256_CBC_SHA" },
142 { 0x000039, "TLS_DHE_RSA_WITH_AES_256_CBC_SHA" },
143 { 0x00003A, "TLS_DH_anon_WITH_AES_256_CBC_SHA" },
144 { 0x00003B, "TLS_RSA_WITH_NULL_SHA256" },
145 { 0x00003C, "TLS_RSA_WITH_AES_128_CBC_SHA256" },
146 { 0x00003D, "TLS_RSA_WITH_AES_256_CBC_SHA256" },
147 { 0x00003E, "TLS_DH_DSS_WITH_AES_128_CBC_SHA256" },
148 { 0x00003F, "TLS_DH_RSA_WITH_AES_128_CBC_SHA256" },
149 { 0x000040, "TLS_DHE_DSS_WITH_AES_128_CBC_SHA256" },
150 { 0x000041, "TLS_RSA_WITH_CAMELLIA_128_CBC_SHA" },
151 { 0x000042, "TLS_DH_DSS_WITH_CAMELLIA_128_CBC_SHA" },
152 { 0x000043, "TLS_DH_RSA_WITH_CAMELLIA_128_CBC_SHA" },
153 { 0x000044, "TLS_DHE_DSS_WITH_CAMELLIA_128_CBC_SHA" },
154 { 0x000045, "TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA" },
155 { 0x000046, "TLS_DH_anon_WITH_CAMELLIA_128_CBC_SHA" },
156 { 0x000047, "TLS_ECDH_ECDSA_WITH_NULL_SHA" },
157 { 0x000048, "TLS_ECDH_ECDSA_WITH_RC4_128_SHA" },
158 { 0x000049, "TLS_ECDH_ECDSA_WITH_DES_CBC_SHA" },
159 { 0x00004A, "TLS_ECDH_ECDSA_WITH_3DES_EDE_CBC_SHA" },
160 { 0x00004B, "TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA" },
161 { 0x00004C, "TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA" },
162 { 0x000060, "TLS_RSA_EXPORT1024_WITH_RC4_56_MD5" },
163 { 0x000061, "TLS_RSA_EXPORT1024_WITH_RC2_CBC_56_MD5" },
164 { 0x000062, "TLS_RSA_EXPORT1024_WITH_DES_CBC_SHA" },
165 { 0x000063, "TLS_DHE_DSS_EXPORT1024_WITH_DES_CBC_SHA" },
166 { 0x000064, "TLS_RSA_EXPORT1024_WITH_RC4_56_SHA" },
167 { 0x000065, "TLS_DHE_DSS_EXPORT1024_WITH_RC4_56_SHA" },
168 { 0x000066, "TLS_DHE_DSS_WITH_RC4_128_SHA" },
169 { 0x000067, "TLS_DHE_RSA_WITH_AES_128_CBC_SHA256" },
170 { 0x000068, "TLS_DH_DSS_WITH_AES_256_CBC_SHA256" },
171 { 0x000069, "TLS_DH_RSA_WITH_AES_256_CBC_SHA256" },
172 { 0x00006A, "TLS_DHE_DSS_WITH_AES_256_CBC_SHA256" },
173 { 0x00006B, "TLS_DHE_RSA_WITH_AES_256_CBC_SHA256" },
174 { 0x00006C, "TLS_DH_anon_WITH_AES_128_CBC_SHA256" },
175 { 0x00006D, "TLS_DH_anon_WITH_AES_256_CBC_SHA256" },
176 { 0x000084, "TLS_RSA_WITH_CAMELLIA_256_CBC_SHA" },
177 { 0x000085, "TLS_DH_DSS_WITH_CAMELLIA_256_CBC_SHA" },
178 { 0x000086, "TLS_DH_RSA_WITH_CAMELLIA_256_CBC_SHA" },
179 { 0x000087, "TLS_DHE_DSS_WITH_CAMELLIA_256_CBC_SHA" },
180 { 0x000088, "TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA" },
181 { 0x000089, "TLS_DH_anon_WITH_CAMELLIA_256_CBC_SHA" },
183 { 0x00008A, "TLS_PSK_WITH_RC4_128_SHA" },
184 { 0x00008B, "TLS_PSK_WITH_3DES_EDE_CBC_SHA" },
185 { 0x00008C, "TLS_PSK_WITH_AES_128_CBC_SHA" },
186 { 0x00008D, "TLS_PSK_WITH_AES_256_CBC_SHA" },
187 { 0x00008E, "TLS_DHE_PSK_WITH_RC4_128_SHA" },
188 { 0x00008F, "TLS_DHE_PSK_WITH_3DES_EDE_CBC_SHA" },
189 { 0x000090, "TLS_DHE_PSK_WITH_AES_128_CBC_SHA" },
190 { 0x000091, "TLS_DHE_PSK_WITH_AES_256_CBC_SHA" },
191 { 0x000092, "TLS_RSA_PSK_WITH_RC4_128_SHA" },
192 { 0x000093, "TLS_RSA_PSK_WITH_3DES_EDE_CBC_SHA" },
193 { 0x000094, "TLS_RSA_PSK_WITH_AES_128_CBC_SHA" },
194 { 0x000095, "TLS_RSA_PSK_WITH_AES_256_CBC_SHA" },
196 { 0x000096, "TLS_RSA_WITH_SEED_CBC_SHA" },
197 { 0x000097, "TLS_DH_DSS_WITH_SEED_CBC_SHA" },
198 { 0x000098, "TLS_DH_RSA_WITH_SEED_CBC_SHA" },
199 { 0x000099, "TLS_DHE_DSS_WITH_SEED_CBC_SHA" },
200 { 0x00009A, "TLS_DHE_RSA_WITH_SEED_CBC_SHA" },
201 { 0x00009B, "TLS_DH_anon_WITH_SEED_CBC_SHA" },
203 { 0x00009C, "TLS_RSA_WITH_AES_128_GCM_SHA256" },
204 { 0x00009D, "TLS_RSA_WITH_AES_256_GCM_SHA384" },
205 { 0x00009E, "TLS_DHE_RSA_WITH_AES_128_GCM_SHA256" },
206 { 0x00009F, "TLS_DHE_RSA_WITH_AES_256_GCM_SHA384" },
207 { 0x0000A0, "TLS_DH_RSA_WITH_AES_128_GCM_SHA256" },
208 { 0x0000A1, "TLS_DH_RSA_WITH_AES_256_GCM_SHA384" },
209 { 0x0000A2, "TLS_DHE_DSS_WITH_AES_128_GCM_SHA256" },
210 { 0x0000A3, "TLS_DHE_DSS_WITH_AES_256_GCM_SHA384" },
211 { 0x0000A4, "TLS_DH_DSS_WITH_AES_128_GCM_SHA256" },
212 { 0x0000A5, "TLS_DH_DSS_WITH_AES_256_GCM_SHA384" },
213 { 0x0000A6, "TLS_DH_anon_WITH_AES_128_GCM_SHA256" },
214 { 0x0000A7, "TLS_DH_anon_WITH_AES_256_GCM_SHA384" },
216 { 0x0000A8, "TLS_PSK_WITH_AES_128_GCM_SHA256" },
217 { 0x0000A9, "TLS_PSK_WITH_AES_256_GCM_SHA384" },
218 { 0x0000AA, "TLS_DHE_PSK_WITH_AES_128_GCM_SHA256" },
219 { 0x0000AB, "TLS_DHE_PSK_WITH_AES_256_GCM_SHA384" },
220 { 0x0000AC, "TLS_RSA_PSK_WITH_AES_128_GCM_SHA256" },
221 { 0x0000AD, "TLS_RSA_PSK_WITH_AES_256_GCM_SHA384" },
222 { 0x0000AE, "TLS_PSK_WITH_AES_128_CBC_SHA256" },
223 { 0x0000AF, "TLS_PSK_WITH_AES_256_CBC_SHA384" },
224 { 0x0000B0, "TLS_PSK_WITH_NULL_SHA256" },
225 { 0x0000B1, "TLS_PSK_WITH_NULL_SHA384" },
226 { 0x0000B2, "TLS_DHE_PSK_WITH_AES_128_CBC_SHA256" },
227 { 0x0000B3, "TLS_DHE_PSK_WITH_AES_256_CBC_SHA384" },
228 { 0x0000B4, "TLS_DHE_PSK_WITH_NULL_SHA256" },
229 { 0x0000B5, "TLS_DHE_PSK_WITH_NULL_SHA384" },
230 { 0x0000B6, "TLS_RSA_PSK_WITH_AES_128_CBC_SHA256" },
231 { 0x0000B7, "TLS_RSA_PSK_WITH_AES_256_CBC_SHA384" },
232 { 0x0000B8, "TLS_RSA_PSK_WITH_NULL_SHA256" },
233 { 0x0000B9, "TLS_RSA_PSK_WITH_NULL_SHA384" },
235 { 0x00c001, "TLS_ECDH_ECDSA_WITH_NULL_SHA" },
236 { 0x00c002, "TLS_ECDH_ECDSA_WITH_RC4_128_SHA" },
237 { 0x00c003, "TLS_ECDH_ECDSA_WITH_3DES_EDE_CBC_SHA" },
238 { 0x00c004, "TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA" },
239 { 0x00c005, "TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA" },
240 { 0x00c006, "TLS_ECDHE_ECDSA_WITH_NULL_SHA" },
241 { 0x00c007, "TLS_ECDHE_ECDSA_WITH_RC4_128_SHA" },
242 { 0x00c008, "TLS_ECDHE_ECDSA_WITH_3DES_EDE_CBC_SHA" },
243 { 0x00c009, "TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA" },
244 { 0x00c00a, "TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA" },
245 { 0x00c00b, "TLS_ECDH_RSA_WITH_NULL_SHA" },
246 { 0x00c00c, "TLS_ECDH_RSA_WITH_RC4_128_SHA" },
247 { 0x00c00d, "TLS_ECDH_RSA_WITH_3DES_EDE_CBC_SHA" },
248 { 0x00c00e, "TLS_ECDH_RSA_WITH_AES_128_CBC_SHA" },
249 { 0x00c00f, "TLS_ECDH_RSA_WITH_AES_256_CBC_SHA" },
250 { 0x00c010, "TLS_ECDHE_RSA_WITH_NULL_SHA" },
251 { 0x00c011, "TLS_ECDHE_RSA_WITH_RC4_128_SHA" },
252 { 0x00c012, "TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA" },
253 { 0x00c013, "TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA" },
254 { 0x00c014, "TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA" },
255 { 0x00c015, "TLS_ECDH_anon_WITH_NULL_SHA" },
256 { 0x00c016, "TLS_ECDH_anon_WITH_RC4_128_SHA" },
257 { 0x00c017, "TLS_ECDH_anon_WITH_3DES_EDE_CBC_SHA" },
258 { 0x00c018, "TLS_ECDH_anon_WITH_AES_128_CBC_SHA" },
259 { 0x00c019, "TLS_ECDH_anon_WITH_AES_256_CBC_SHA" },
261 { 0x00C01A, "TLS_SRP_SHA_WITH_3DES_EDE_CBC_SHA" },
262 { 0x00C01B, "TLS_SRP_SHA_RSA_WITH_3DES_EDE_CBC_SHA" },
263 { 0x00C01C, "TLS_SRP_SHA_DSS_WITH_3DES_EDE_CBC_SHA" },
264 { 0x00C01D, "TLS_SRP_SHA_WITH_AES_128_CBC_SHA" },
265 { 0x00C01E, "TLS_SRP_SHA_RSA_WITH_AES_128_CBC_SHA" },
266 { 0x00C01F, "TLS_SRP_SHA_DSS_WITH_AES_128_CBC_SHA" },
267 { 0x00C020, "TLS_SRP_SHA_WITH_AES_256_CBC_SHA" },
268 { 0x00C021, "TLS_SRP_SHA_RSA_WITH_AES_256_CBC_SHA" },
269 { 0x00C022, "TLS_SRP_SHA_DSS_WITH_AES_256_CBC_SHA" },
271 { 0x00C023, "TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256" },
272 { 0x00C024, "TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384" },
273 { 0x00C025, "TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA256" },
274 { 0x00C026, "TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA384" },
275 { 0x00C027, "TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256" },
276 { 0x00C028, "TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384" },
277 { 0x00C029, "TLS_ECDH_RSA_WITH_AES_128_CBC_SHA256" },
278 { 0x00C02A, "TLS_ECDH_RSA_WITH_AES_256_CBC_SHA384" },
279 { 0x00C02B, "TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256" },
280 { 0x00C02C, "TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384" },
281 { 0x00C02D, "TLS_ECDH_ECDSA_WITH_AES_128_GCM_SHA256" },
282 { 0x00C02E, "TLS_ECDH_ECDSA_WITH_AES_256_GCM_SHA384" },
283 { 0x00C02F, "TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256" },
284 { 0x00C030, "TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384" },
285 { 0x00C031, "TLS_ECDH_RSA_WITH_AES_128_GCM_SHA256" },
286 { 0x00C032, "TLS_ECDH_RSA_WITH_AES_256_GCM_SHA384" },
288 { 0x00C033, "TLS_ECDHE_PSK_WITH_RC4_128_SHA" },
289 { 0x00C034, "TLS_ECDHE_PSK_WITH_3DES_EDE_CBC_SHA" },
290 { 0x00C035, "TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA" },
291 { 0x00C036, "TLS_ECDHE_PSK_WITH_AES_256_CBC_SHA" },
292 { 0x00C037, "TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA256" },
293 { 0x00C038, "TLS_ECDHE_PSK_WITH_AES_256_CBC_SHA384" },
294 { 0x00C039, "TLS_ECDHE_PSK_WITH_NULL_SHA" },
295 { 0x00C03A, "TLS_ECDHE_PSK_WITH_NULL_SHA256" },
296 { 0x00C03B, "TLS_ECDHE_PSK_WITH_NULL_SHA384" },
297 /* these from http://www.mozilla.org/projects/
298 security/pki/nss/ssl/fips-ssl-ciphersuites.html */
299 { 0x00fefe, "SSL_RSA_FIPS_WITH_DES_CBC_SHA"},
300 { 0x00feff, "SSL_RSA_FIPS_WITH_3DES_EDE_CBC_SHA" },
301 { 0x00ffe0, "SSL_RSA_FIPS_WITH_3DES_EDE_CBC_SHA" },
302 { 0x00ffe1, "SSL_RSA_FIPS_WITH_DES_CBC_SHA"},
303 /* Microsoft's old PCT protocol. These are from Eric Rescorla's
304 book "SSL and TLS" */
305 { 0x8f8001, "PCT_SSL_COMPAT | PCT_VERSION_1" },
306 { 0x800003, "PCT_SSL_CERT_TYPE | PCT1_CERT_X509_CHAIN" },
307 { 0x800001, "PCT_SSL_CERT_TYPE | PCT1_CERT_X509" },
308 { 0x810001, "PCT_SSL_HASH_TYPE | PCT1_HASH_MD5" },
309 { 0x810003, "PCT_SSL_HASH_TYPE | PCT1_HASH_SHA" },
310 { 0x820001, "PCT_SSL_EXCH_TYPE | PCT1_EXCH_RSA_PKCS1" },
311 { 0x830004, "PCT_SSL_CIPHER_TYPE_1ST_HALF | PCT1_CIPHER_RC4" },
312 { 0x848040, "PCT_SSL_CIPHER_TYPE_2ND_HALF | PCT1_ENC_BITS_128 | PCT1_MAC_BITS_128" },
313 { 0x842840, "PCT_SSL_CIPHER_TYPE_2ND_HALF | PCT1_ENC_BITS_40 | PCT1_MAC_BITS_128" },
314 /* note that ciphersuites of {0x00????} are TLS cipher suites in
315 * a sslv2 client hello message; the ???? above is the two-byte
316 * tls cipher suite id
321 const value_string ssl_20_certificate_type[] = {
323 { 0x01, "X.509 Certificate" },
327 const value_string ssl_31_content_type[] = {
328 { 20, "Change Cipher Spec" },
331 { 23, "Application Data" },
335 const value_string ssl_versions[] = {
336 { 0xfeff, "DTLS 1.0" },
337 { 0x0100, "DTLS 1.0 (OpenSSL pre 0.9.8f)" },
338 { 0x0303, "TLS 1.2" },
339 { 0x0302, "TLS 1.1" },
340 { 0x0301, "TLS 1.0" },
341 { 0x0300, "SSL 3.0" },
342 { 0x0002, "SSL 2.0" },
347 /* XXX - would be used if we dissected the body of a Change Cipher Spec
349 const value_string ssl_31_change_cipher_spec[] = {
350 { 1, "Change Cipher Spec" },
355 const value_string ssl_31_alert_level[] = {
361 const value_string ssl_31_alert_description[] = {
362 { 0, "Close Notify" },
363 { 10, "Unexpected Message" },
364 { 20, "Bad Record MAC" },
365 { 21, "Decryption Failed" },
366 { 22, "Record Overflow" },
367 { 30, "Decompression Failure" },
368 { 40, "Handshake Failure" },
369 { 41, "No Certificate" },
370 { 42, "Bad Certificate" },
371 { 43, "Unsupported Certificate" },
372 { 44, "Certificate Revoked" },
373 { 45, "Certificate Expired" },
374 { 46, "Certificate Unknown" },
375 { 47, "Illegal Parameter" },
376 { 48, "Unknown CA" },
377 { 49, "Access Denied" },
378 { 50, "Decode Error" },
379 { 51, "Decrypt Error" },
380 { 60, "Export Restriction" },
381 { 70, "Protocol Version" },
382 { 71, "Insufficient Security" },
383 { 80, "Internal Error" },
384 { 90, "User Canceled" },
385 { 100, "No Renegotiation" },
386 { 110, "Unsupported Extension" },
387 { 111, "Certificate Unobtainable" },
388 { 112, "Unrecognized Name" },
389 { 113, "Bad Certificate Status Response" },
390 { 114, "Bad Certificate Hash Value" },
391 { 115, "Unknown PSK Identity" },
395 const value_string ssl_31_handshake_type[] = {
396 { SSL_HND_HELLO_REQUEST, "Hello Request" },
397 { SSL_HND_CLIENT_HELLO, "Client Hello" },
398 { SSL_HND_SERVER_HELLO, "Server Hello" },
399 { SSL_HND_HELLO_VERIFY_REQUEST, "Hello Verify Request"},
400 { SSL_HND_CERTIFICATE, "Certificate" },
401 { SSL_HND_SERVER_KEY_EXCHG, "Server Key Exchange" },
402 { SSL_HND_CERT_REQUEST, "Certificate Request" },
403 { SSL_HND_SVR_HELLO_DONE, "Server Hello Done" },
404 { SSL_HND_CERT_VERIFY, "Certificate Verify" },
405 { SSL_HND_CLIENT_KEY_EXCHG, "Client Key Exchange" },
406 { SSL_HND_FINISHED, "Finished" },
410 const value_string ssl_31_compression_method[] = {
418 /* XXX - would be used if we dissected a Signature, as would be
419 seen in a server key exchange or certificate verify message. */
420 const value_string ssl_31_key_exchange_algorithm[] = {
422 { 1, "Diffie Hellman" },
426 const value_string ssl_31_signature_algorithm[] = {
434 const value_string ssl_31_client_certificate_type[] = {
437 { 3, "RSA Fixed DH" },
438 { 4, "DSS Fixed DH" },
443 /* XXX - would be used if we dissected exchange keys, as would be
444 seen in a client key exchange message. */
445 const value_string ssl_31_public_value_encoding[] = {
452 const value_string ssl_31_ciphersuite[] = {
453 /* RFC 2246, RFC 4346, RFC 5246 */
454 { 0x0000, "TLS_NULL_WITH_NULL_NULL" },
455 { 0x0001, "TLS_RSA_WITH_NULL_MD5" },
456 { 0x0002, "TLS_RSA_WITH_NULL_SHA" },
457 { 0x0003, "TLS_RSA_EXPORT_WITH_RC4_40_MD5" },
458 { 0x0004, "TLS_RSA_WITH_RC4_128_MD5" },
459 { 0x0005, "TLS_RSA_WITH_RC4_128_SHA" },
460 { 0x0006, "TLS_RSA_EXPORT_WITH_RC2_CBC_40_MD5" },
461 { 0x0007, "TLS_RSA_WITH_IDEA_CBC_SHA" },
462 { 0x0008, "TLS_RSA_EXPORT_WITH_DES40_CBC_SHA" },
463 { 0x0009, "TLS_RSA_WITH_DES_CBC_SHA" },
464 { 0x000a, "TLS_RSA_WITH_3DES_EDE_CBC_SHA" },
465 { 0x000b, "TLS_DH_DSS_EXPORT_WITH_DES40_CBC_SHA" },
466 { 0x000c, "TLS_DH_DSS_WITH_DES_CBC_SHA" },
467 { 0x000d, "TLS_DH_DSS_WITH_3DES_EDE_CBC_SHA" },
468 { 0x000e, "TLS_DH_RSA_EXPORT_WITH_DES40_CBC_SHA" },
469 { 0x000f, "TLS_DH_RSA_WITH_DES_CBC_SHA" },
470 { 0x0010, "TLS_DH_RSA_WITH_3DES_EDE_CBC_SHA" },
471 { 0x0011, "TLS_DHE_DSS_EXPORT_WITH_DES40_CBC_SHA" },
472 { 0x0012, "TLS_DHE_DSS_WITH_DES_CBC_SHA" },
473 { 0x0013, "TLS_DHE_DSS_WITH_3DES_EDE_CBC_SHA" },
474 { 0x0014, "TLS_DHE_RSA_EXPORT_WITH_DES40_CBC_SHA" },
475 { 0x0015, "TLS_DHE_RSA_WITH_DES_CBC_SHA" },
476 { 0x0016, "TLS_DHE_RSA_WITH_3DES_EDE_CBC_SHA" },
477 { 0x0017, "TLS_DH_anon_EXPORT_WITH_RC4_40_MD5" },
478 { 0x0018, "TLS_DH_anon_WITH_RC4_128_MD5" },
479 { 0x0019, "TLS_DH_anon_EXPORT_WITH_DES40_CBC_SHA" },
480 { 0x001a, "TLS_DH_anon_WITH_DES_CBC_SHA" },
481 { 0x001b, "TLS_DH_anon_WITH_3DES_EDE_CBC_SHA" },
483 { 0x001c, "SSL_FORTEZZA_KEA_WITH_NULL_SHA" },
484 { 0x001d, "SSL_FORTEZZA_KEA_WITH_FORTEZZA_CBC_SHA" },
485 #if 0 /* Because it clashes with KRB5, is never used any more, and is safe
486 to remove according to David Hopwood <david.hopwood@zetnet.co.uk>
487 of the ietf-tls list */
488 { 0x001e, "SSL_FORTEZZA_KEA_WITH_RC4_128_SHA" },
492 { 0x001E, "TLS_KRB5_WITH_DES_CBC_SHA" },
493 { 0x001F, "TLS_KRB5_WITH_3DES_EDE_CBC_SHA" },
494 { 0x0020, "TLS_KRB5_WITH_RC4_128_SHA" },
495 { 0x0021, "TLS_KRB5_WITH_IDEA_CBC_SHA" },
496 { 0x0022, "TLS_KRB5_WITH_DES_CBC_MD5" },
497 { 0x0023, "TLS_KRB5_WITH_3DES_EDE_CBC_MD5" },
498 { 0x0024, "TLS_KRB5_WITH_RC4_128_MD5" },
499 { 0x0025, "TLS_KRB5_WITH_IDEA_CBC_MD5" },
500 { 0x0026, "TLS_KRB5_EXPORT_WITH_DES_CBC_40_SHA" },
501 { 0x0027, "TLS_KRB5_EXPORT_WITH_RC2_CBC_40_SHA" },
502 { 0x0028, "TLS_KRB5_EXPORT_WITH_RC4_40_SHA" },
503 { 0x0029, "TLS_KRB5_EXPORT_WITH_DES_CBC_40_MD5" },
504 { 0x002A, "TLS_KRB5_EXPORT_WITH_RC2_CBC_40_MD5" },
505 { 0x002B, "TLS_KRB5_EXPORT_WITH_RC4_40_MD5" },
508 { 0x002C, "TLS_PSK_WITH_NULL_SHA" },
509 { 0x002D, "TLS_DHE_PSK_WITH_NULL_SHA" },
510 { 0x002E, "TLS_RSA_PSK_WITH_NULL_SHA" },
513 { 0x002F, "TLS_RSA_WITH_AES_128_CBC_SHA" },
514 { 0x0030, "TLS_DH_DSS_WITH_AES_128_CBC_SHA" },
515 { 0x0031, "TLS_DH_RSA_WITH_AES_128_CBC_SHA" },
516 { 0x0032, "TLS_DHE_DSS_WITH_AES_128_CBC_SHA" },
517 { 0x0033, "TLS_DHE_RSA_WITH_AES_128_CBC_SHA" },
518 { 0x0034, "TLS_DH_anon_WITH_AES_128_CBC_SHA" },
519 { 0x0035, "TLS_RSA_WITH_AES_256_CBC_SHA" },
520 { 0x0036, "TLS_DH_DSS_WITH_AES_256_CBC_SHA" },
521 { 0x0037, "TLS_DH_RSA_WITH_AES_256_CBC_SHA" },
522 { 0x0038, "TLS_DHE_DSS_WITH_AES_256_CBC_SHA" },
523 { 0x0039, "TLS_DHE_RSA_WITH_AES_256_CBC_SHA" },
524 { 0x003A, "TLS_DH_anon_WITH_AES_256_CBC_SHA" },
525 { 0x003B, "TLS_RSA_WITH_NULL_SHA256" },
526 { 0x003C, "TLS_RSA_WITH_AES_128_CBC_SHA256" },
527 { 0x003D, "TLS_RSA_WITH_AES_256_CBC_SHA256" },
528 { 0x003E, "TLS_DH_DSS_WITH_AES_128_CBC_SHA256" },
529 { 0x003F, "TLS_DH_RSA_WITH_AES_128_CBC_SHA256" },
530 { 0x0040, "TLS_DHE_DSS_WITH_AES_128_CBC_SHA256" },
531 { 0x0067, "TLS_DHE_RSA_WITH_AES_128_CBC_SHA256" },
532 { 0x0068, "TLS_DH_DSS_WITH_AES_256_CBC_SHA256" },
533 { 0x0069, "TLS_DH_RSA_WITH_AES_256_CBC_SHA256" },
534 { 0x006A, "TLS_DHE_DSS_WITH_AES_256_CBC_SHA256" },
535 { 0x006B, "TLS_DHE_RSA_WITH_AES_256_CBC_SHA256" },
536 { 0x006C, "TLS_DH_anon_WITH_AES_128_CBC_SHA256" },
537 { 0x006D, "TLS_DH_anon_WITH_AES_256_CBC_SHA256" },
540 { 0x0060, "TLS_RSA_EXPORT1024_WITH_RC4_56_MD5" },
541 { 0x0061, "TLS_RSA_EXPORT1024_WITH_RC2_CBC_56_MD5" },
543 /* draft-ietf-tls-56-bit-ciphersuites-01.txt */
544 { 0x0062, "TLS_RSA_EXPORT1024_WITH_DES_CBC_SHA" },
545 { 0x0063, "TLS_DHE_DSS_EXPORT1024_WITH_DES_CBC_SHA" },
546 { 0x0064, "TLS_RSA_EXPORT1024_WITH_RC4_56_SHA" },
547 { 0x0065, "TLS_DHE_DSS_EXPORT1024_WITH_RC4_56_SHA" },
548 { 0x0066, "TLS_DHE_DSS_WITH_RC4_128_SHA" },
551 { 0x0041, "TLS_RSA_WITH_CAMELLIA_128_CBC_SHA" },
552 { 0x0042, "TLS_DH_DSS_WITH_CAMELLIA_128_CBC_SHA" },
553 { 0x0043, "TLS_DH_RSA_WITH_CAMELLIA_128_CBC_SHA" },
554 { 0x0044, "TLS_DHE_DSS_WITH_CAMELLIA_128_CBC_SHA" },
555 { 0x0045, "TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA" },
556 { 0x0046, "TLS_DH_anon_WITH_CAMELLIA_128_CBC_SHA" },
557 { 0x0084, "TLS_RSA_WITH_CAMELLIA_256_CBC_SHA" },
558 { 0x0085, "TLS_DH_DSS_WITH_CAMELLIA_256_CBC_SHA" },
559 { 0x0086, "TLS_DH_RSA_WITH_CAMELLIA_256_CBC_SHA" },
560 { 0x0087, "TLS_DHE_DSS_WITH_CAMELLIA_256_CBC_SHA" },
561 { 0x0088, "TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA" },
562 { 0x0089, "TLS_DH_anon_WITH_CAMELLIA_256_CBC_SHA" },
565 { 0x008A, "TLS_PSK_WITH_RC4_128_SHA" },
566 { 0x008B, "TLS_PSK_WITH_3DES_EDE_CBC_SHA" },
567 { 0x008C, "TLS_PSK_WITH_AES_128_CBC_SHA" },
568 { 0x008D, "TLS_PSK_WITH_AES_256_CBC_SHA" },
569 { 0x008E, "TLS_DHE_PSK_WITH_RC4_128_SHA" },
570 { 0x008F, "TLS_DHE_PSK_WITH_3DES_EDE_CBC_SHA" },
571 { 0x0090, "TLS_DHE_PSK_WITH_AES_128_CBC_SHA" },
572 { 0x0091, "TLS_DHE_PSK_WITH_AES_256_CBC_SHA" },
573 { 0x0092, "TLS_RSA_PSK_WITH_RC4_128_SHA" },
574 { 0x0093, "TLS_RSA_PSK_WITH_3DES_EDE_CBC_SHA" },
575 { 0x0094, "TLS_RSA_PSK_WITH_AES_128_CBC_SHA" },
576 { 0x0095, "TLS_RSA_PSK_WITH_AES_256_CBC_SHA" },
579 { 0x0096, "TLS_RSA_WITH_SEED_CBC_SHA" },
580 { 0x0097, "TLS_DH_DSS_WITH_SEED_CBC_SHA" },
581 { 0x0098, "TLS_DH_RSA_WITH_SEED_CBC_SHA" },
582 { 0x0099, "TLS_DHE_DSS_WITH_SEED_CBC_SHA" },
583 { 0x009A, "TLS_DHE_RSA_WITH_SEED_CBC_SHA" },
584 { 0x009B, "TLS_DH_anon_WITH_SEED_CBC_SHA" },
587 { 0x009C, "TLS_RSA_WITH_AES_128_GCM_SHA256" },
588 { 0x009D, "TLS_RSA_WITH_AES_256_GCM_SHA384" },
589 { 0x009E, "TLS_DHE_RSA_WITH_AES_128_GCM_SHA256" },
590 { 0x009F, "TLS_DHE_RSA_WITH_AES_256_GCM_SHA384" },
591 { 0x00A0, "TLS_DH_RSA_WITH_AES_128_GCM_SHA256" },
592 { 0x00A1, "TLS_DH_RSA_WITH_AES_256_GCM_SHA384" },
593 { 0x00A2, "TLS_DHE_DSS_WITH_AES_128_GCM_SHA256" },
594 { 0x00A3, "TLS_DHE_DSS_WITH_AES_256_GCM_SHA384" },
595 { 0x00A4, "TLS_DH_DSS_WITH_AES_128_GCM_SHA256" },
596 { 0x00A5, "TLS_DH_DSS_WITH_AES_256_GCM_SHA384" },
597 { 0x00A6, "TLS_DH_anon_WITH_AES_128_GCM_SHA256" },
598 { 0x00A7, "TLS_DH_anon_WITH_AES_256_GCM_SHA384" },
601 { 0x00A8, "TLS_PSK_WITH_AES_128_GCM_SHA256" },
602 { 0x00A9, "TLS_PSK_WITH_AES_256_GCM_SHA384" },
603 { 0x00AA, "TLS_DHE_PSK_WITH_AES_128_GCM_SHA256" },
604 { 0x00AB, "TLS_DHE_PSK_WITH_AES_256_GCM_SHA384" },
605 { 0x00AC, "TLS_RSA_PSK_WITH_AES_128_GCM_SHA256" },
606 { 0x00AD, "TLS_RSA_PSK_WITH_AES_256_GCM_SHA384" },
607 { 0x00AE, "TLS_PSK_WITH_AES_128_CBC_SHA256" },
608 { 0x00AF, "TLS_PSK_WITH_AES_256_CBC_SHA384" },
609 { 0x00B0, "TLS_PSK_WITH_NULL_SHA256" },
610 { 0x00B1, "TLS_PSK_WITH_NULL_SHA384" },
611 { 0x00B2, "TLS_DHE_PSK_WITH_AES_128_CBC_SHA256" },
612 { 0x00B3, "TLS_DHE_PSK_WITH_AES_256_CBC_SHA384" },
613 { 0x00B4, "TLS_DHE_PSK_WITH_NULL_SHA256" },
614 { 0x00B5, "TLS_DHE_PSK_WITH_NULL_SHA384" },
615 { 0x00B6, "TLS_RSA_PSK_WITH_AES_128_CBC_SHA256" },
616 { 0x00B7, "TLS_RSA_PSK_WITH_AES_256_CBC_SHA384" },
617 { 0x00B8, "TLS_RSA_PSK_WITH_NULL_SHA256" },
618 { 0x00B9, "TLS_RSA_PSK_WITH_NULL_SHA384" },
621 { 0xc001, "TLS_ECDH_ECDSA_WITH_NULL_SHA" },
622 { 0xc002, "TLS_ECDH_ECDSA_WITH_RC4_128_SHA" },
623 { 0xc003, "TLS_ECDH_ECDSA_WITH_3DES_EDE_CBC_SHA" },
624 { 0xc004, "TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA" },
625 { 0xc005, "TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA" },
626 { 0xc006, "TLS_ECDHE_ECDSA_WITH_NULL_SHA" },
627 { 0xc007, "TLS_ECDHE_ECDSA_WITH_RC4_128_SHA" },
628 { 0xc008, "TLS_ECDHE_ECDSA_WITH_3DES_EDE_CBC_SHA" },
629 { 0xc009, "TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA" },
630 { 0xc00a, "TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA" },
631 { 0xc00b, "TLS_ECDH_RSA_WITH_NULL_SHA" },
632 { 0xc00c, "TLS_ECDH_RSA_WITH_RC4_128_SHA" },
633 { 0xc00d, "TLS_ECDH_RSA_WITH_3DES_EDE_CBC_SHA" },
634 { 0xc00e, "TLS_ECDH_RSA_WITH_AES_128_CBC_SHA" },
635 { 0xc00f, "TLS_ECDH_RSA_WITH_AES_256_CBC_SHA" },
636 { 0xc010, "TLS_ECDHE_RSA_WITH_NULL_SHA" },
637 { 0xc011, "TLS_ECDHE_RSA_WITH_RC4_128_SHA" },
638 { 0xc012, "TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA" },
639 { 0xc013, "TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA" },
640 { 0xc014, "TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA" },
641 { 0xc015, "TLS_ECDH_anon_WITH_NULL_SHA" },
642 { 0xc016, "TLS_ECDH_anon_WITH_RC4_128_SHA" },
643 { 0xc017, "TLS_ECDH_anon_WITH_3DES_EDE_CBC_SHA" },
644 { 0xc018, "TLS_ECDH_anon_WITH_AES_128_CBC_SHA" },
645 { 0xc019, "TLS_ECDH_anon_WITH_AES_256_CBC_SHA" },
648 { 0xC01A, "TLS_SRP_SHA_WITH_3DES_EDE_CBC_SHA" },
649 { 0xC01B, "TLS_SRP_SHA_RSA_WITH_3DES_EDE_CBC_SHA" },
650 { 0xC01C, "TLS_SRP_SHA_DSS_WITH_3DES_EDE_CBC_SHA" },
651 { 0xC01D, "TLS_SRP_SHA_WITH_AES_128_CBC_SHA" },
652 { 0xC01E, "TLS_SRP_SHA_RSA_WITH_AES_128_CBC_SHA" },
653 { 0xC01F, "TLS_SRP_SHA_DSS_WITH_AES_128_CBC_SHA" },
654 { 0xC020, "TLS_SRP_SHA_WITH_AES_256_CBC_SHA" },
655 { 0xC021, "TLS_SRP_SHA_RSA_WITH_AES_256_CBC_SHA" },
656 { 0xC022, "TLS_SRP_SHA_DSS_WITH_AES_256_CBC_SHA" },
659 { 0xC023, "TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256" },
660 { 0xC024, "TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384" },
661 { 0xC025, "TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA256" },
662 { 0xC026, "TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA384" },
663 { 0xC027, "TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256" },
664 { 0xC028, "TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384" },
665 { 0xC029, "TLS_ECDH_RSA_WITH_AES_128_CBC_SHA256" },
666 { 0xC02A, "TLS_ECDH_RSA_WITH_AES_256_CBC_SHA384" },
667 { 0xC02B, "TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256" },
668 { 0xC02C, "TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384" },
669 { 0xC02D, "TLS_ECDH_ECDSA_WITH_AES_128_GCM_SHA256" },
670 { 0xC02E, "TLS_ECDH_ECDSA_WITH_AES_256_GCM_SHA384" },
671 { 0xC02F, "TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256" },
672 { 0xC030, "TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384" },
673 { 0xC031, "TLS_ECDH_RSA_WITH_AES_128_GCM_SHA256" },
674 { 0xC032, "TLS_ECDH_RSA_WITH_AES_256_GCM_SHA384" },
677 { 0xC033, "TLS_ECDHE_PSK_WITH_RC4_128_SHA" },
678 { 0xC034, "TLS_ECDHE_PSK_WITH_3DES_EDE_CBC_SHA" },
679 { 0xC035, "TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA" },
680 { 0xC036, "TLS_ECDHE_PSK_WITH_AES_256_CBC_SHA" },
681 { 0xC037, "TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA256" },
682 { 0xC038, "TLS_ECDHE_PSK_WITH_AES_256_CBC_SHA384" },
683 { 0xC039, "TLS_ECDHE_PSK_WITH_NULL_SHA" },
684 { 0xC03A, "TLS_ECDHE_PSK_WITH_NULL_SHA256" },
685 { 0xC03B, "TLS_ECDHE_PSK_WITH_NULL_SHA384" },
687 /* these from http://www.mozilla.org/projects/
688 security/pki/nss/ssl/fips-ssl-ciphersuites.html */
689 { 0xfefe, "SSL_RSA_FIPS_WITH_DES_CBC_SHA"},
690 { 0xfeff, "SSL_RSA_FIPS_WITH_3DES_EDE_CBC_SHA" },
691 { 0xffe0, "SSL_RSA_FIPS_WITH_3DES_EDE_CBC_SHA" },
692 { 0xffe1, "SSL_RSA_FIPS_WITH_DES_CBC_SHA"},
693 /* note that ciphersuites 0xff00 - 0xffff are private */
697 const value_string pct_msg_types[] = {
698 { PCT_MSG_CLIENT_HELLO, "Client Hello" },
699 { PCT_MSG_SERVER_HELLO, "Server Hello" },
700 { PCT_MSG_CLIENT_MASTER_KEY, "Client Master Key" },
701 { PCT_MSG_SERVER_VERIFY, "Server Verify" },
702 { PCT_MSG_ERROR, "Error" },
706 const value_string pct_cipher_type[] = {
707 { PCT_CIPHER_DES, "DES" },
708 { PCT_CIPHER_IDEA, "IDEA" },
709 { PCT_CIPHER_RC2, "RC2" },
710 { PCT_CIPHER_RC4, "RC4" },
711 { PCT_CIPHER_DES_112, "DES 112 bit" },
712 { PCT_CIPHER_DES_168, "DES 168 bit" },
716 const value_string pct_hash_type[] = {
717 { PCT_HASH_MD5, "MD5" },
718 { PCT_HASH_MD5_TRUNC_64, "MD5_TRUNC_64"},
719 { PCT_HASH_SHA, "SHA"},
720 { PCT_HASH_SHA_TRUNC_80, "SHA_TRUNC_80"},
721 { PCT_HASH_DES_DM, "DES_DM"},
725 const value_string pct_cert_type[] = {
726 { PCT_CERT_NONE, "None" },
727 { PCT_CERT_X509, "X.509" },
728 { PCT_CERT_PKCS7, "PKCS #7" },
731 const value_string pct_sig_type[] = {
732 { PCT_SIG_NONE, "None" },
733 { PCT_SIG_RSA_MD5, "MD5" },
734 { PCT_SIG_RSA_SHA, "RSA SHA" },
735 { PCT_SIG_DSA_SHA, "DSA SHA" },
739 const value_string pct_exch_type[] = {
740 { PCT_EXCH_RSA_PKCS1, "RSA PKCS#1" },
741 { PCT_EXCH_RSA_PKCS1_TOKEN_DES, "RSA PKCS#1 Token DES" },
742 { PCT_EXCH_RSA_PKCS1_TOKEN_DES3, "RSA PKCS#1 Token 3DES" },
743 { PCT_EXCH_RSA_PKCS1_TOKEN_RC2, "RSA PKCS#1 Token RC-2" },
744 { PCT_EXCH_RSA_PKCS1_TOKEN_RC4, "RSA PKCS#1 Token RC-4" },
745 { PCT_EXCH_DH_PKCS3, "DH PKCS#3" },
746 { PCT_EXCH_DH_PKCS3_TOKEN_DES, "DH PKCS#3 Token DES" },
747 { PCT_EXCH_DH_PKCS3_TOKEN_DES3, "DH PKCS#3 Token 3DES" },
748 { PCT_EXCH_FORTEZZA_TOKEN, "Fortezza" },
752 const value_string pct_error_code[] = {
753 { PCT_ERR_BAD_CERTIFICATE, "PCT_ERR_BAD_CERTIFICATE" },
754 { PCT_ERR_CLIENT_AUTH_FAILED, "PCT_ERR_CLIENT_AUTH_FAILE" },
755 { PCT_ERR_ILLEGAL_MESSAGE, "PCT_ERR_ILLEGAL_MESSAGE" },
756 { PCT_ERR_INTEGRITY_CHECK_FAILED, "PCT_ERR_INTEGRITY_CHECK_FAILED" },
757 { PCT_ERR_SERVER_AUTH_FAILED, "PCT_ERR_SERVER_AUTH_FAILED" },
758 { PCT_ERR_SPECS_MISMATCH, "PCT_ERR_SPECS_MISMATCH" },
763 const value_string tls_hello_extension_types[] = {
764 { 0, "server_name" },
765 { 1, "max_fragment_length" },
766 { 2, "client_certificate_url" },
767 { 3, "trusted_ca_keys" },
768 { 4, "truncated_hmac" },
769 { 5, "status_request" },
770 { 6, "user_mapping" }, /* RFC 4681 */
773 { 9, "cert_type" }, /* RFC 5081 */
774 { 10, "elliptic_curves" }, /* RFC 4492 */
775 { 11, "ec_point_formats" }, /* RFC 4492 */
776 { 12, "srp" }, /* RFC 5054 */
777 { 13, "signature_algorithms" }, /* RFC 5246 */
778 { 35, "SessionTicket TLS" }, /* RFC 4507 */
783 /* we keep this internal to packet-ssl-utils, as there should be
784 no need to access it any other way.
786 This also allows us to hide the dependency on zlib.
788 struct _SslDecompress {
796 ssl_data_alloc(StringInfo* str, guint len)
798 str->data = g_malloc(len);
799 /* the allocator can return a null pointer for a size equal to 0,
800 * and that must be allowed */
801 if (len > 0 && !str->data)
808 ssl_data_set(StringInfo* str, const guchar* data, guint len)
810 memcpy(str->data, data, len);
814 #ifdef HAVE_LIBGNUTLS
816 static gint ver_major, ver_minor, ver_patch;
818 /* hmac abstraction layer */
819 #define SSL_HMAC gcry_md_hd_t
822 ssl_hmac_init(SSL_HMAC* md, const void * key, gint len, gint algo)
825 const char *err_str, *err_src;
826 err = gcry_md_open(md,algo, GCRY_MD_FLAG_HMAC);
828 err_str = gcry_strerror(err);
829 err_src = gcry_strsource(err);
830 ssl_debug_printf("ssl_hmac_init(): gcry_md_open failed %s/%s", err_str, err_src);
833 gcry_md_setkey (*(md), key, len);
837 ssl_hmac_update(SSL_HMAC* md, const void* data, gint len)
839 gcry_md_write(*(md), data, len);
842 ssl_hmac_final(SSL_HMAC* md, guchar* data, guint* datalen)
846 algo = gcry_md_get_algo (*(md));
847 len = gcry_md_get_algo_dlen(algo);
848 memcpy(data, gcry_md_read(*(md), algo), len);
852 ssl_hmac_cleanup(SSL_HMAC* md)
854 gcry_md_close(*(md));
857 /* memory digest abstraction layer*/
858 #define SSL_MD gcry_md_hd_t
861 ssl_md_init(SSL_MD* md, gint algo)
864 const char *err_str, *err_src;
865 err = gcry_md_open(md,algo, 0);
867 err_str = gcry_strerror(err);
868 err_src = gcry_strsource(err);
869 ssl_debug_printf("ssl_md_init(): gcry_md_open failed %s/%s", err_str, err_src);
875 ssl_md_update(SSL_MD* md, guchar* data, gint len)
877 gcry_md_write(*(md), data, len);
880 ssl_md_final(SSL_MD* md, guchar* data, guint* datalen)
884 algo = gcry_md_get_algo (*(md));
885 len = gcry_md_get_algo_dlen (algo);
886 memcpy(data, gcry_md_read(*(md), algo), len);
890 ssl_md_cleanup(SSL_MD* md)
892 gcry_md_close(*(md));
895 /* md5 /sha abstraction layer */
896 #define SSL_SHA_CTX gcry_md_hd_t
897 #define SSL_MD5_CTX gcry_md_hd_t
900 ssl_sha_init(SSL_SHA_CTX* md)
902 gcry_md_open(md,GCRY_MD_SHA1, 0);
905 ssl_sha_update(SSL_SHA_CTX* md, guchar* data, gint len)
907 gcry_md_write(*(md), data, len);
910 ssl_sha_final(guchar* buf, SSL_SHA_CTX* md)
912 memcpy(buf, gcry_md_read(*(md), GCRY_MD_SHA1),
913 gcry_md_get_algo_dlen(GCRY_MD_SHA1));
916 ssl_sha_cleanup(SSL_SHA_CTX* md)
918 gcry_md_close(*(md));
922 ssl_md5_init(SSL_MD5_CTX* md)
924 return gcry_md_open(md,GCRY_MD_MD5, 0);
927 ssl_md5_update(SSL_MD5_CTX* md, guchar* data, gint len)
929 gcry_md_write(*(md), data, len);
932 ssl_md5_final(guchar* buf, SSL_MD5_CTX* md)
934 memcpy(buf, gcry_md_read(*(md), GCRY_MD_MD5),
935 gcry_md_get_algo_dlen(GCRY_MD_MD5));
938 ssl_md5_cleanup(SSL_MD5_CTX* md)
940 gcry_md_close(*(md));
944 ssl_cipher_setiv(SSL_CIPHER_CTX *cipher, guchar* iv, gint iv_len)
951 c=(gcry_cipher_hd_t)*cipher;
953 ssl_debug_printf("--------------------------------------------------------------------");
954 /*for(ivp=c->iv,i=0; i < iv_len; i++ )
956 ssl_debug_printf("%d ",ivp[i]);
960 ssl_debug_printf("--------------------------------------------------------------------");
961 ret = gcry_cipher_setiv(*(cipher), iv, iv_len);
962 /*for(ivp=c->iv,i=0; i < iv_len; i++ )
964 ssl_debug_printf("%d ",ivp[i]);
968 ssl_debug_printf("--------------------------------------------------------------------");
971 /* stream cipher abstraction layer*/
973 ssl_cipher_init(gcry_cipher_hd_t *cipher, gint algo, guchar* sk,
974 guchar* iv, gint mode)
976 gint gcry_modes[]={GCRY_CIPHER_MODE_STREAM,GCRY_CIPHER_MODE_CBC};
978 err = gcry_cipher_open(cipher, algo, gcry_modes[mode], 0);
981 err = gcry_cipher_setkey(*(cipher), sk, gcry_cipher_get_algo_keylen (algo));
984 err = gcry_cipher_setiv(*(cipher), iv, gcry_cipher_get_algo_blklen (algo));
990 ssl_cipher_decrypt(gcry_cipher_hd_t *cipher, guchar * out, gint outl,
991 const guchar * in, gint inl)
993 return gcry_cipher_decrypt ( *(cipher), out, outl, in, inl);
996 ssl_get_digest_by_name(const gchar*name)
998 return gcry_md_map_name(name);
1001 ssl_get_cipher_by_name(const gchar* name)
1003 return gcry_cipher_map_name(name);
1007 ssl_cipher_cleanup(gcry_cipher_hd_t *cipher)
1009 gcry_cipher_close(*cipher);
1013 /* private key abstraction layer */
1015 ssl_get_key_len(SSL_PRIVATE_KEY* pk) {return gcry_pk_get_nbits (pk); }
1018 _gcry_rsa_decrypt (int algo, gcry_mpi_t *result, gcry_mpi_t *data,
1019 gcry_mpi_t *skey, gint flags);
1021 #define PUBKEY_FLAG_NO_BLINDING (1 << 0)
1024 ssl_private_key_to_str(SSL_PRIVATE_KEY* pk) {
1025 const gchar *str="NULL";
1029 if (!pk) return str;
1031 n = gcry_sexp_sprint(pk, GCRYSEXP_FMT_ADVANCED, NULL, 0);
1033 n = gcry_sexp_sprint(pk, GCRYSEXP_FMT_ADVANCED, buf, n);
1035 #else /* SSL_FAST */
1036 str = "TO DO: dump mpi gcry_mpi_print()";
1037 #endif /* SSL_FAST */
1042 /* decrypt data with private key. Store decrypted data directly into input
1045 ssl_private_decrypt(guint len, guchar* encr_data, SSL_PRIVATE_KEY* pk)
1049 gcry_sexp_t s_data, s_plain;
1050 gcry_mpi_t encr_mpi;
1052 guchar* decr_data_ptr;
1058 /* build up a mpi rappresentation for encrypted data */
1059 rc = gcry_mpi_scan(&encr_mpi, GCRYMPI_FMT_USG,encr_data, encr_len, &encr_len);
1061 ssl_debug_printf("pcry_private_decrypt: can't convert encr_data to mpi (size %d):%s\n",
1062 len, gcry_strerror(rc));
1066 /*ssl_debug_printf("pcry_private_decrypt: pk=%s\n", ssl_private_key_to_str(pk));*/
1069 /* put the data into a simple list */
1070 rc = gcry_sexp_build(&s_data, NULL, "(enc-val(rsa(a%m)))", encr_mpi);
1072 ssl_debug_printf("pcry_private_decrypt: can't build encr_sexp:%s \n",
1077 /* pass it to libgcrypt */
1078 rc = gcry_pk_decrypt(&s_plain, s_data, pk);
1079 gcry_sexp_release(s_data);
1082 ssl_debug_printf("pcry_private_decrypt: can't decrypt key:%s\n",
1087 /* convert plain text sexp to mpi format */
1088 text = gcry_sexp_nth_mpi(s_plain, 0, 0);
1090 /* compute size requested for plaintext buffer */
1092 if (gcry_mpi_print(GCRYMPI_FMT_USG, NULL, decr_len, &decr_len, text) != 0) {
1093 ssl_debug_printf("pcry_private_decrypt: can't compute decr size:%s\n",
1099 /* sanity check on out buffer */
1100 if (decr_len > len) {
1101 ssl_debug_printf("pcry_private_decrypt: decrypted data is too long ?!? (%" G_GSIZE_MODIFIER "u max %d)\n",
1106 /* write plain text to encrypted data buffer */
1107 decr_data_ptr = encr_data;
1108 if (gcry_mpi_print( GCRYMPI_FMT_USG, decr_data_ptr, decr_len, &decr_len,
1110 ssl_debug_printf("pcry_private_decrypt: can't print decr data to mpi (size %" G_GSIZE_MODIFIER "u):%s\n",
1111 decr_len, gcry_strerror(rc));
1112 g_free(decr_data_ptr);
1117 /* strip the padding*/
1119 for (i = 1; i < decr_len; i++) {
1120 if (decr_data_ptr[i] == 0) {
1126 ssl_debug_printf("pcry_private_decrypt: stripping %d bytes, decr_len %" G_GSIZE_MODIFIER "u\n",
1128 ssl_print_data("decrypted_unstrip_pre_master", decr_data_ptr, decr_len);
1129 g_memmove(decr_data_ptr, &decr_data_ptr[rc], decr_len - rc);
1133 gcry_sexp_release(s_plain);
1134 #else /* SSL_FAST */
1135 rc = _gcry_rsa_decrypt(0, &text, &encr_mpi, pk,0);
1136 gcry_mpi_print( GCRYMPI_FMT_USG, 0, 0, &decr_len, text);
1138 /* sanity check on out buffer */
1139 if (decr_len > len) {
1140 ssl_debug_printf("pcry_private_decrypt: decrypted data is too long ?!? (%d max %d)\n",
1145 /* write plain text to newly allocated buffer */
1146 decr_data_ptr = encr_data;
1147 if (gcry_mpi_print( GCRYMPI_FMT_USG, decr_data_ptr, decr_len, &decr_len,
1149 ssl_debug_printf("pcry_private_decrypt: can't print decr data to mpi (size %d):%s\n",
1150 decr_len, gcry_strerror(rc));
1154 /* strip the padding*/
1156 for (i = 1; i < decr_len; i++) {
1157 if (decr_data_ptr[i] == 0) {
1163 ssl_debug_printf("pcry_private_decrypt: stripping %d bytes, decr_len %d\n",
1165 ssl_print_data("decrypted_unstrip_pre_master", decr_data_ptr, decr_len);
1166 g_memmove(decr_data_ptr, &decr_data_ptr[rc], decr_len - rc);
1168 #endif /* SSL_FAST */
1169 gcry_mpi_release(text);
1173 /* stringinfo interface */
1175 ssl_data_realloc(StringInfo* str, guint len)
1177 str->data = g_realloc(str->data, len);
1180 str->data_len = len;
1185 ssl_data_copy(StringInfo* dst, StringInfo* src)
1187 if (dst->data_len < src->data_len) {
1188 if (ssl_data_realloc(dst, src->data_len))
1191 memcpy(dst->data, src->data, src->data_len);
1192 dst->data_len = src->data_len;
1196 #define PRF(ssl,secret,usage,rnd1,rnd2,out) ((ssl->version_netorder==SSLV3_VERSION)? \
1197 ssl3_prf(secret,usage,rnd1,rnd2,out): \
1198 tls_prf(secret,usage,rnd1,rnd2,out))
1200 static const gchar *digests[]={
1205 static const gchar *ciphers[]={
1208 "ARCFOUR", /* gnutls does not support rc4, but this should be 100% compatible*/
1216 static SslCipherSuite cipher_suites[]={
1217 {1,KEX_RSA,SIG_RSA,ENC_NULL,0,0,0,DIG_MD5,16,0, SSL_CIPHER_MODE_STREAM},
1218 {2,KEX_RSA,SIG_RSA,ENC_NULL,0,0,0,DIG_SHA,20,0, SSL_CIPHER_MODE_STREAM},
1219 {3,KEX_RSA,SIG_RSA,ENC_RC4,1,128,40,DIG_MD5,16,1, SSL_CIPHER_MODE_STREAM},
1220 {4,KEX_RSA,SIG_RSA,ENC_RC4,1,128,128,DIG_MD5,16,0, SSL_CIPHER_MODE_STREAM},
1221 {5,KEX_RSA,SIG_RSA,ENC_RC4,1,128,128,DIG_SHA,20,0, SSL_CIPHER_MODE_STREAM},
1222 {6,KEX_RSA,SIG_RSA,ENC_RC2,8,128,40,DIG_SHA,20,1, SSL_CIPHER_MODE_STREAM},
1223 {7,KEX_RSA,SIG_RSA,ENC_IDEA,8,128,128,DIG_SHA,20,0, SSL_CIPHER_MODE_STREAM},
1224 {8,KEX_RSA,SIG_RSA,ENC_DES,8,64,40,DIG_SHA,20,1, SSL_CIPHER_MODE_CBC},
1225 {9,KEX_RSA,SIG_RSA,ENC_DES,8,64,64,DIG_SHA,20,0, SSL_CIPHER_MODE_CBC},
1226 {10,KEX_RSA,SIG_RSA,ENC_3DES,8,192,192,DIG_SHA,20,0, SSL_CIPHER_MODE_CBC},
1227 {11,KEX_DH,SIG_DSS,ENC_DES,8,64,40,DIG_SHA,20,1, SSL_CIPHER_MODE_CBC},
1228 {12,KEX_DH,SIG_DSS,ENC_DES,8,64,64,DIG_SHA,20,0, SSL_CIPHER_MODE_CBC},
1229 {13,KEX_DH,SIG_DSS,ENC_3DES,8,192,192,DIG_SHA,20,0, SSL_CIPHER_MODE_CBC},
1230 {14,KEX_DH,SIG_RSA,ENC_DES,8,64,40,DIG_SHA,20,1, SSL_CIPHER_MODE_CBC},
1231 {15,KEX_DH,SIG_RSA,ENC_DES,8,64,64,DIG_SHA,20,0, SSL_CIPHER_MODE_CBC},
1232 {16,KEX_DH,SIG_RSA,ENC_3DES,8,192,192,DIG_SHA,20,0, SSL_CIPHER_MODE_CBC},
1233 {17,KEX_DH,SIG_DSS,ENC_DES,8,64,40,DIG_SHA,20,1, SSL_CIPHER_MODE_CBC},
1234 {18,KEX_DH,SIG_DSS,ENC_DES,8,64,64,DIG_SHA,20,0, SSL_CIPHER_MODE_CBC},
1235 {19,KEX_DH,SIG_DSS,ENC_3DES,8,192,192,DIG_SHA,20,0, SSL_CIPHER_MODE_CBC},
1236 {20,KEX_DH,SIG_RSA,ENC_DES,8,64,40,DIG_SHA,20,1, SSL_CIPHER_MODE_CBC},
1237 {21,KEX_DH,SIG_RSA,ENC_DES,8,64,64,DIG_SHA,20,0, SSL_CIPHER_MODE_CBC},
1238 {22,KEX_DH,SIG_RSA,ENC_3DES,8,192,192,DIG_SHA,20,0, SSL_CIPHER_MODE_CBC},
1239 {23,KEX_DH,SIG_NONE,ENC_RC4,1,128,40,DIG_MD5,16,1, SSL_CIPHER_MODE_STREAM},
1240 {24,KEX_DH,SIG_NONE,ENC_RC4,1,128,128,DIG_MD5,16,0, SSL_CIPHER_MODE_STREAM},
1241 {25,KEX_DH,SIG_NONE,ENC_DES,8,64,40,DIG_MD5,16,1, SSL_CIPHER_MODE_CBC},
1242 {26,KEX_DH,SIG_NONE,ENC_DES,8,64,64,DIG_MD5,16,0, SSL_CIPHER_MODE_CBC},
1243 {27,KEX_DH,SIG_NONE,ENC_3DES,8,192,192,DIG_MD5,16,0, SSL_CIPHER_MODE_CBC},
1244 {47,KEX_RSA,SIG_RSA,ENC_AES,16,128,128,DIG_SHA,20,0, SSL_CIPHER_MODE_CBC},
1245 {51,KEX_DH, SIG_RSA,ENC_AES,16,128,128,DIG_SHA,20,0, SSL_CIPHER_MODE_CBC},
1246 {53,KEX_RSA,SIG_RSA,ENC_AES256,16,256,256,DIG_SHA,20,0, SSL_CIPHER_MODE_CBC},
1247 {96,KEX_RSA,SIG_RSA,ENC_RC4,1,128,56,DIG_MD5,16,1, SSL_CIPHER_MODE_STREAM},
1248 {97,KEX_RSA,SIG_RSA,ENC_RC2,1,128,56,DIG_MD5,16,1, SSL_CIPHER_MODE_STREAM},
1249 {98,KEX_RSA,SIG_RSA,ENC_DES,8,64,64,DIG_SHA,20,1, SSL_CIPHER_MODE_STREAM},
1250 {99,KEX_DH,SIG_DSS,ENC_DES,8,64,64,DIG_SHA,16,1, SSL_CIPHER_MODE_CBC},
1251 {100,KEX_RSA,SIG_RSA,ENC_RC4,1,128,56,DIG_SHA,20,1, SSL_CIPHER_MODE_STREAM},
1252 {101,KEX_DH,SIG_DSS,ENC_RC4,1,128,56,DIG_SHA,20,1, SSL_CIPHER_MODE_STREAM},
1253 {102,KEX_DH,SIG_DSS,ENC_RC4,1,128,128,DIG_SHA,20,0, SSL_CIPHER_MODE_STREAM},
1254 {-1, 0,0,0,0,0,0,0,0,0, 0}
1257 #define MAX_BLOCK_SIZE 16
1258 #define MAX_KEY_SIZE 32
1261 ssl_find_cipher(int num,SslCipherSuite* cs)
1265 for(c=cipher_suites;c->number!=-1;c++){
1276 tls_hash(StringInfo* secret, StringInfo* seed, gint md, StringInfo* out)
1282 guint8 _A[20],tmp[20];
1289 ssl_print_string("tls_hash: hash secret", secret);
1290 ssl_print_string("tls_hash: hash seed", seed);
1295 ssl_hmac_init(&hm,secret->data,secret->data_len,md);
1296 ssl_hmac_update(&hm,A,A_l);
1297 ssl_hmac_final(&hm,_A,&A_l);
1298 ssl_hmac_cleanup(&hm);
1301 ssl_hmac_init(&hm,secret->data,secret->data_len,md);
1302 ssl_hmac_update(&hm,A,A_l);
1303 ssl_hmac_update(&hm,seed->data,seed->data_len);
1304 ssl_hmac_final(&hm,tmp,&tmp_l);
1305 ssl_hmac_cleanup(&hm);
1307 tocpy=MIN(left,tmp_l);
1308 memcpy(ptr,tmp,tocpy);
1313 ssl_print_string("hash out", out);
1318 tls_prf(StringInfo* secret, const gchar *usage,
1319 StringInfo* rnd1, StringInfo* rnd2, StringInfo* out)
1321 StringInfo seed, sha_out, md5_out;
1327 usage_len = strlen(usage);
1329 /* initalize buffer for sha, md5 random seed*/
1330 if (ssl_data_alloc(&sha_out, MAX(out->data_len,20)) < 0) {
1331 ssl_debug_printf("tls_prf: can't allocate sha out\n");
1334 if (ssl_data_alloc(&md5_out, MAX(out->data_len,16)) < 0) {
1335 ssl_debug_printf("tls_prf: can't allocate md5 out\n");
1338 if (ssl_data_alloc(&seed, usage_len+rnd1->data_len+rnd2->data_len) < 0) {
1339 ssl_debug_printf("tls_prf: can't allocate rnd %d\n",
1340 usage_len+rnd1->data_len+rnd2->data_len);
1345 memcpy(ptr,usage,usage_len); ptr+=usage_len;
1346 memcpy(ptr,rnd1->data,rnd1->data_len); ptr+=rnd1->data_len;
1347 memcpy(ptr,rnd2->data,rnd2->data_len); ptr+=rnd2->data_len;
1349 /* initalize buffer for client/server seeds*/
1350 s_l=secret->data_len/2 + secret->data_len%2;
1351 if (ssl_data_alloc(&s1, s_l) < 0) {
1352 ssl_debug_printf("tls_prf: can't allocate secret %d\n", s_l);
1355 if (ssl_data_alloc(&s2, s_l) < 0) {
1356 ssl_debug_printf("tls_prf: can't allocate secret(2) %d\n", s_l);
1360 memcpy(s1.data,secret->data,s_l);
1361 memcpy(s2.data,secret->data + (secret->data_len - s_l),s_l);
1363 ssl_debug_printf("tls_prf: tls_hash(md5 secret_len %d seed_len %d )\n", s1.data_len, seed.data_len);
1364 if(tls_hash(&s1,&seed,ssl_get_digest_by_name("MD5"),&md5_out) != 0)
1366 ssl_debug_printf("tls_prf: tls_hash(sha)\n");
1367 if(tls_hash(&s2,&seed,ssl_get_digest_by_name("SHA1"),&sha_out) != 0)
1370 for(i=0;i<out->data_len;i++)
1371 out->data[i]=md5_out.data[i] ^ sha_out.data[i];
1374 ssl_print_string("PRF out",out);
1382 g_free(md5_out.data);
1384 g_free(sha_out.data);
1389 ssl3_generate_export_iv(StringInfo* r1,
1390 StringInfo* r2, StringInfo* out)
1396 ssl_md5_update(&md5,r1->data,r1->data_len);
1397 ssl_md5_update(&md5,r2->data,r2->data_len);
1398 ssl_md5_final(tmp,&md5);
1399 ssl_md5_cleanup(&md5);
1401 memcpy(out->data,tmp,out->data_len);
1402 ssl_print_string("export iv", out);
1408 ssl3_prf(StringInfo* secret, const gchar* usage,
1410 StringInfo* r2,StringInfo* out)
1414 StringInfo *rnd1,*rnd2;
1421 for(off=0;off<out->data_len;off+=16){
1426 ssl_debug_printf("ssl3_prf: sha1_hash(%d)\n",i);
1427 /* A, BB, CCC, ... */
1433 ssl_sha_update(&sha,buf,i);
1434 ssl_sha_update(&sha,secret->data,secret->data_len);
1436 if(!strcmp(usage,"client write key") || !strcmp(usage,"server write key")){
1437 ssl_sha_update(&sha,rnd2->data,rnd2->data_len);
1438 ssl_sha_update(&sha,rnd1->data,rnd1->data_len);
1441 ssl_sha_update(&sha,rnd1->data,rnd1->data_len);
1442 ssl_sha_update(&sha,rnd2->data,rnd2->data_len);
1445 ssl_sha_final(buf,&sha);
1446 ssl_sha_cleanup(&sha);
1448 ssl_debug_printf("ssl3_prf: md5_hash(%d) datalen %d\n",i,
1451 ssl_md5_update(&md5,secret->data,secret->data_len);
1452 ssl_md5_update(&md5,buf,20);
1453 ssl_md5_final(outbuf,&md5);
1454 ssl_md5_cleanup(&md5);
1456 tocpy=MIN(out->data_len-off,16);
1457 memcpy(out->data+off,outbuf,tocpy);
1464 ssl_create_flow(void)
1468 flow = se_alloc(sizeof(SslFlow));
1471 flow->multisegment_pdus = se_tree_create_non_persistent(EMEM_TREE_TYPE_RED_BLACK, "ssl_multisegment_pdus");
1476 /* memory allocation functions for zlib initialization */
1477 static void* ssl_zalloc(void* opaque _U_, unsigned int no, unsigned int size)
1479 return g_malloc0(no*size);
1481 static void ssl_zfree(void* opaque _U_, void* address)
1487 static SslDecompress*
1488 ssl_create_decompressor(gint compression)
1490 SslDecompress *decomp;
1495 if (compression == 0) return NULL;
1496 ssl_debug_printf("ssl_create_decompressor: compression method %d\n", compression);
1497 decomp = se_alloc(sizeof(SslDecompress));
1498 decomp->compression = compression;
1499 switch (decomp->compression) {
1501 case 1: /* DEFLATE */
1502 decomp->istream.zalloc = ssl_zalloc;
1503 decomp->istream.zfree = ssl_zfree;
1504 decomp->istream.opaque = Z_NULL;
1505 decomp->istream.next_in = Z_NULL;
1506 decomp->istream.next_out = Z_NULL;
1507 decomp->istream.avail_in = 0;
1508 decomp->istream.avail_out = 0;
1509 err = inflateInit_(&decomp->istream, ZLIB_VERSION, sizeof(z_stream));
1511 ssl_debug_printf("ssl_create_decompressor: inflateInit_() failed - %d\n", err);
1517 ssl_debug_printf("ssl_create_decompressor: unsupported compression method %d\n", decomp->compression);
1524 ssl_create_decoder(SslCipherSuite *cipher_suite, gint compression,
1525 guint8 *mk, guint8 *sk, guint8 *iv)
1531 dec = se_alloc0(sizeof(SslDecoder));
1532 /* Find the SSLeay cipher */
1533 if(cipher_suite->enc!=ENC_NULL) {
1534 ssl_debug_printf("ssl_create_decoder CIPHER: %s\n", ciphers[cipher_suite->enc-0x30]);
1535 ciph=ssl_get_cipher_by_name(ciphers[cipher_suite->enc-0x30]);
1538 ssl_debug_printf("ssl_create_decoder can't find cipher %s\n",
1539 ciphers[(cipher_suite->enc-0x30) > 7 ? 7 : (cipher_suite->enc-0x30)]);
1543 /* init mac buffer: mac storage is embedded into decoder struct to save a
1544 memory allocation and waste samo more memory*/
1545 dec->cipher_suite=cipher_suite;
1546 dec->compression = compression;
1547 dec->mac_key.data = dec->_mac_key;
1548 ssl_data_set(&dec->mac_key, mk, cipher_suite->dig_len);
1550 dec->decomp = ssl_create_decompressor(compression);
1551 dec->flow = ssl_create_flow();
1554 ssl_cipher_cleanup(&dec->evp);
1556 if (ssl_cipher_init(&dec->evp,ciph,sk,iv,cipher_suite->mode) < 0) {
1557 ssl_debug_printf("ssl_create_decoder: can't create cipher id:%d mode:%d\n",
1558 ciph, cipher_suite->mode);
1562 ssl_debug_printf("decoder initialized (digest len %d)\n", cipher_suite->dig_len);
1567 ssl_generate_keyring_material(SslDecryptSession*ssl_session)
1569 StringInfo key_block;
1570 guint8 _iv_c[MAX_BLOCK_SIZE],_iv_s[MAX_BLOCK_SIZE];
1571 guint8 _key_c[MAX_KEY_SIZE],_key_s[MAX_KEY_SIZE];
1573 guint8 *ptr,*c_wk,*s_wk,*c_mk,*s_mk,*c_iv = _iv_c,*s_iv = _iv_s;
1575 /* check for enough info to proced */
1576 guint need_all = SSL_CIPHER|SSL_CLIENT_RANDOM|SSL_SERVER_RANDOM|SSL_VERSION;
1577 guint need_any = SSL_MASTER_SECRET | SSL_PRE_MASTER_SECRET;
1578 if (((ssl_session->state & need_all) != need_all) || ((ssl_session->state & need_any) == 0)) {
1579 ssl_debug_printf("ssl_generate_keyring_material not enough data to generate key "
1580 "(0x%02X required 0x%02X or 0x%02X)\n", ssl_session->state,
1581 need_all|SSL_MASTER_SECRET, need_all|SSL_PRE_MASTER_SECRET);
1585 /* if master_key is not yet generate, create it now*/
1586 if (!(ssl_session->state & SSL_MASTER_SECRET)) {
1587 ssl_debug_printf("ssl_generate_keyring_material:PRF(pre_master_secret)\n");
1588 ssl_print_string("pre master secret",&ssl_session->pre_master_secret);
1589 ssl_print_string("client random",&ssl_session->client_random);
1590 ssl_print_string("server random",&ssl_session->server_random);
1591 if (PRF(ssl_session,&ssl_session->pre_master_secret,"master secret",
1592 &ssl_session->client_random,
1593 &ssl_session->server_random, &ssl_session->master_secret)) {
1594 ssl_debug_printf("ssl_generate_keyring_material can't generate master_secret\n");
1597 ssl_print_string("master secret",&ssl_session->master_secret);
1599 /* the pre-master secret has been 'consumend' so we must clear it now */
1600 ssl_session->state &= ~SSL_PRE_MASTER_SECRET;
1601 ssl_session->state |= SSL_MASTER_SECRET;
1604 /* Compute the key block. First figure out how much data we need*/
1605 needed=ssl_session->cipher_suite.dig_len*2;
1606 needed+=ssl_session->cipher_suite.bits / 4;
1607 if(ssl_session->cipher_suite.block>1)
1608 needed+=ssl_session->cipher_suite.block*2;
1610 key_block.data_len = needed;
1611 key_block.data = g_malloc(needed);
1612 if (!key_block.data) {
1613 ssl_debug_printf("ssl_generate_keyring_material can't allocate key_block (len %d)\n", needed);
1616 ssl_debug_printf("ssl_generate_keyring_material sess key generation\n");
1617 if (PRF(ssl_session,&ssl_session->master_secret,"key expansion",
1618 &ssl_session->server_random,&ssl_session->client_random,
1620 ssl_debug_printf("ssl_generate_keyring_material can't generate key_block\n");
1623 ssl_print_string("key expansion", &key_block);
1626 c_mk=ptr; ptr+=ssl_session->cipher_suite.dig_len;
1627 s_mk=ptr; ptr+=ssl_session->cipher_suite.dig_len;
1629 c_wk=ptr; ptr+=ssl_session->cipher_suite.eff_bits/8;
1630 s_wk=ptr; ptr+=ssl_session->cipher_suite.eff_bits/8;
1632 if(ssl_session->cipher_suite.block>1){
1633 c_iv=ptr; ptr+=ssl_session->cipher_suite.block;
1634 s_iv=ptr; ptr+=ssl_session->cipher_suite.block;
1637 if(ssl_session->cipher_suite.export){
1638 StringInfo iv_c,iv_s;
1639 StringInfo key_c,key_s;
1642 if(ssl_session->cipher_suite.block>1){
1644 /* We only have room for MAX_BLOCK_SIZE bytes IVs, but that's
1645 all we should need. This is a sanity check */
1646 if(ssl_session->cipher_suite.block>MAX_BLOCK_SIZE) {
1647 ssl_debug_printf("ssl_generate_keyring_material cipher suite block must be at most %d nut is %d\n",
1648 MAX_BLOCK_SIZE, ssl_session->cipher_suite.block);
1653 iv_c.data_len = ssl_session->cipher_suite.block;
1655 iv_s.data_len = ssl_session->cipher_suite.block;
1657 if(ssl_session->version_netorder==SSLV3_VERSION){
1658 ssl_debug_printf("ssl_generate_keyring_material ssl3_generate_export_iv\n");
1659 if (ssl3_generate_export_iv(&ssl_session->client_random,
1660 &ssl_session->server_random,&iv_c)) {
1661 ssl_debug_printf("ssl_generate_keyring_material can't generate sslv3 client iv\n");
1664 ssl_debug_printf("ssl_generate_keyring_material ssl3_generate_export_iv(2)\n");
1665 if (ssl3_generate_export_iv(&ssl_session->server_random,
1666 &ssl_session->client_random,&iv_s)) {
1667 ssl_debug_printf("ssl_generate_keyring_material can't generate sslv3 server iv\n");
1672 guint8 _iv_block[MAX_BLOCK_SIZE * 2];
1673 StringInfo iv_block;
1674 StringInfo key_null;
1677 key_null.data = &_key_null;
1678 key_null.data_len = 0;
1680 iv_block.data = _iv_block;
1681 iv_block.data_len = ssl_session->cipher_suite.block*2;
1683 ssl_debug_printf("ssl_generate_keyring_material prf(iv_block)\n");
1684 if(PRF(ssl_session,&key_null, "IV block",
1685 &ssl_session->client_random,
1686 &ssl_session->server_random,&iv_block)) {
1687 ssl_debug_printf("ssl_generate_keyring_material can't generate tls31 iv block\n");
1691 memcpy(_iv_c,iv_block.data,ssl_session->cipher_suite.block);
1692 memcpy(_iv_s,iv_block.data+ssl_session->cipher_suite.block,
1693 ssl_session->cipher_suite.block);
1700 if (ssl_session->version_netorder==SSLV3_VERSION){
1703 ssl_debug_printf("ssl_generate_keyring_material MD5(client_random)\n");
1706 ssl_md5_update(&md5,c_wk,ssl_session->cipher_suite.eff_bits/8);
1707 ssl_md5_update(&md5,ssl_session->client_random.data,
1708 ssl_session->client_random.data_len);
1709 ssl_md5_update(&md5,ssl_session->server_random.data,
1710 ssl_session->server_random.data_len);
1711 ssl_md5_final(_key_c,&md5);
1712 ssl_md5_cleanup(&md5);
1716 ssl_debug_printf("ssl_generate_keyring_material MD5(server_random)\n");
1717 ssl_md5_update(&md5,s_wk,ssl_session->cipher_suite.eff_bits/8);
1718 ssl_md5_update(&md5,ssl_session->server_random.data,
1719 ssl_session->server_random.data_len);
1720 ssl_md5_update(&md5,ssl_session->client_random.data,
1721 ssl_session->client_random.data_len);
1722 ssl_md5_final(_key_s,&md5);
1723 ssl_md5_cleanup(&md5);
1727 key_c.data = _key_c;
1728 key_c.data_len = sizeof(_key_c);
1729 key_s.data = _key_s;
1730 key_s.data_len = sizeof(_key_s);
1733 k.data_len = ssl_session->cipher_suite.eff_bits/8;
1734 ssl_debug_printf("ssl_generate_keyring_material PRF(key_c)\n");
1735 if (PRF(ssl_session,&k,"client write key",
1736 &ssl_session->client_random,
1737 &ssl_session->server_random, &key_c)) {
1738 ssl_debug_printf("ssl_generate_keyring_material can't generate tll31 server key \n");
1744 k.data_len = ssl_session->cipher_suite.eff_bits/8;
1745 ssl_debug_printf("ssl_generate_keyring_material PRF(key_s)\n");
1746 if(PRF(ssl_session,&k,"server write key",
1747 &ssl_session->client_random,
1748 &ssl_session->server_random, &key_s)) {
1749 ssl_debug_printf("ssl_generate_keyring_material can't generate tll31 client key \n");
1756 /* show key material info */
1757 ssl_print_data("Client MAC key",c_mk,ssl_session->cipher_suite.dig_len);
1758 ssl_print_data("Server MAC key",s_mk,ssl_session->cipher_suite.dig_len);
1759 ssl_print_data("Client Write key",c_wk,ssl_session->cipher_suite.bits/8);
1760 ssl_print_data("Server Write key",s_wk,ssl_session->cipher_suite.bits/8);
1762 if(ssl_session->cipher_suite.block>1) {
1763 ssl_print_data("Client Write IV",c_iv,ssl_session->cipher_suite.block);
1764 ssl_print_data("Server Write IV",s_iv,ssl_session->cipher_suite.block);
1767 ssl_print_data("Client Write IV",c_iv,8);
1768 ssl_print_data("Server Write IV",s_iv,8);
1771 /* create both client and server ciphers*/
1772 ssl_debug_printf("ssl_generate_keyring_material ssl_create_decoder(client)\n");
1773 ssl_session->client_new = ssl_create_decoder(&ssl_session->cipher_suite, ssl_session->compression, c_mk, c_wk, c_iv);
1774 if (!ssl_session->client_new) {
1775 ssl_debug_printf("ssl_generate_keyring_material can't init client decoder\n");
1778 ssl_debug_printf("ssl_generate_keyring_material ssl_create_decoder(server)\n");
1779 ssl_session->server_new = ssl_create_decoder(&ssl_session->cipher_suite, ssl_session->compression, s_mk, s_wk, s_iv);
1780 if (!ssl_session->server_new) {
1781 ssl_debug_printf("ssl_generate_keyring_material can't init client decoder\n");
1785 ssl_debug_printf("ssl_generate_keyring_material: client seq %d, server seq %d\n",
1786 ssl_session->client_new->seq, ssl_session->server_new->seq);
1787 g_free(key_block.data);
1788 ssl_session->state |= SSL_HAVE_SESSION_KEY;
1792 g_free(key_block.data);
1797 ssl_change_cipher(SslDecryptSession *ssl_session, gboolean server)
1799 ssl_debug_printf("ssl_change_cipher %s\n", (server)?"SERVER":"CLIENT");
1801 ssl_session->server = ssl_session->server_new;
1802 ssl_session->server_new = NULL;
1804 ssl_session->client = ssl_session->client_new;
1805 ssl_session->client_new = NULL;
1810 ssl_decrypt_pre_master_secret(SslDecryptSession*ssl_session,
1811 StringInfo* entrypted_pre_master, SSL_PRIVATE_KEY *pk)
1815 if(ssl_session->cipher_suite.kex == KEX_DH) {
1816 ssl_debug_printf("ssl_decrypt_pre_master_secret session uses DH (%d) key exchange, which is impossible to decrypt\n",
1819 } else if(ssl_session->cipher_suite.kex != KEX_RSA) {
1820 ssl_debug_printf("ssl_decrypt_pre_master_secret key exchange %d different from KEX_RSA (%d)\n",
1821 ssl_session->cipher_suite.kex, KEX_RSA);
1825 /* with tls key loading will fail if not rsa type, so no need to check*/
1826 ssl_print_string("pre master encrypted",entrypted_pre_master);
1827 ssl_debug_printf("ssl_decrypt_pre_master_secret:RSA_private_decrypt\n");
1828 i=ssl_private_decrypt(entrypted_pre_master->data_len,
1829 entrypted_pre_master->data, pk);
1832 ssl_debug_printf("ssl_decrypt_pre_master_secret wrong "
1833 "pre_master_secret length (%d, expected %d)\n", i, 48);
1837 /* the decrypted data has been written into the pre_master key buffer */
1838 ssl_session->pre_master_secret.data = entrypted_pre_master->data;
1839 ssl_session->pre_master_secret.data_len=48;
1840 ssl_print_string("pre master secret",&ssl_session->pre_master_secret);
1842 /* Remove the master secret if it was there.
1843 This forces keying material regeneration in
1844 case we're renegotiating */
1845 ssl_session->state &= ~(SSL_MASTER_SECRET|SSL_HAVE_SESSION_KEY);
1846 ssl_session->state |= SSL_PRE_MASTER_SECRET;
1850 /* convert network byte order 32 byte number to right-aligned host byte order *
1852 static gint fmt_seq(guint32 num, guint8* buf)
1857 netnum=g_htonl(num);
1858 memcpy(buf+4,&netnum,4);
1864 tls_check_mac(SslDecoder*decoder, gint ct, gint ver, guint8* data,
1865 guint32 datalen, guint8* mac)
1873 md=ssl_get_digest_by_name(digests[decoder->cipher_suite->dig-0x40]);
1874 ssl_debug_printf("tls_check_mac mac type:%s md %d\n",
1875 digests[decoder->cipher_suite->dig-0x40], md);
1877 if (ssl_hmac_init(&hm,decoder->mac_key.data,decoder->mac_key.data_len,md) != 0)
1880 /* hash sequence number */
1881 fmt_seq(decoder->seq,buf);
1885 ssl_hmac_update(&hm,buf,8);
1887 /* hash content type */
1889 ssl_hmac_update(&hm,buf,1);
1891 /* hash version,data length and data*/
1892 /* *((gint16*)buf) = g_htons(ver); */
1893 temp = g_htons(ver);
1894 memcpy(buf, &temp, 2);
1895 ssl_hmac_update(&hm,buf,2);
1897 /* *((gint16*)buf) = g_htons(datalen); */
1898 temp = g_htons(datalen);
1899 memcpy(buf, &temp, 2);
1900 ssl_hmac_update(&hm,buf,2);
1901 ssl_hmac_update(&hm,data,datalen);
1903 /* get digest and digest len*/
1904 ssl_hmac_final(&hm,buf,&len);
1905 ssl_hmac_cleanup(&hm);
1906 ssl_print_data("Mac", buf, len);
1907 if(memcmp(mac,buf,len))
1914 ssl3_check_mac(SslDecoder*decoder,int ct,guint8* data,
1915 guint32 datalen, guint8* mac)
1920 guint8 buf[64],dgst[20];
1924 pad_ct=(decoder->cipher_suite->dig==DIG_SHA)?40:48;
1926 /* get cipher used for digest comptuation */
1927 md=ssl_get_digest_by_name(digests[decoder->cipher_suite->dig-0x40]);
1928 if (ssl_md_init(&mc,md) !=0)
1931 /* do hash computation on data && padding */
1932 ssl_md_update(&mc,decoder->mac_key.data,decoder->mac_key.data_len);
1935 memset(buf,0x36,pad_ct);
1936 ssl_md_update(&mc,buf,pad_ct);
1938 /* hash sequence number */
1939 fmt_seq(decoder->seq,buf);
1941 ssl_md_update(&mc,buf,8);
1943 /* hash content type */
1945 ssl_md_update(&mc,buf,1);
1947 /* hash data length in network byte order and data*/
1948 /* *((gint16* )buf) = g_htons(datalen); */
1949 temp = g_htons(datalen);
1950 memcpy(buf, &temp, 2);
1951 ssl_md_update(&mc,buf,2);
1952 ssl_md_update(&mc,data,datalen);
1954 /* get partial digest */
1955 ssl_md_final(&mc,dgst,&len);
1956 ssl_md_cleanup(&mc);
1958 ssl_md_init(&mc,md);
1961 ssl_md_update(&mc,decoder->mac_key.data,decoder->mac_key.data_len);
1963 /* hash padding and partial digest*/
1964 memset(buf,0x5c,pad_ct);
1965 ssl_md_update(&mc,buf,pad_ct);
1966 ssl_md_update(&mc,dgst,len);
1968 ssl_md_final(&mc,dgst,&len);
1969 ssl_md_cleanup(&mc);
1971 if(memcmp(mac,dgst,len))
1979 dtls_check_mac(SslDecoder*decoder, gint ct,int ver, guint8* data,
1980 guint32 datalen, guint8* mac)
1987 md=ssl_get_digest_by_name(digests[decoder->cipher_suite->dig-0x40]);
1988 ssl_debug_printf("dtls_check_mac mac type:%s md %d\n",
1989 digests[decoder->cipher_suite->dig-0x40], md);
1991 if (ssl_hmac_init(&hm,decoder->mac_key.data,decoder->mac_key.data_len,md) != 0)
1993 ssl_debug_printf("dtls_check_mac seq: %d epoch: %d\n",decoder->seq,decoder->epoch);
1994 /* hash sequence number */
1995 fmt_seq(decoder->seq,buf);
1996 buf[0]=decoder->epoch>>8;
1997 buf[1]=decoder->epoch;
1999 ssl_hmac_update(&hm,buf,8);
2001 /* hash content type */
2003 ssl_hmac_update(&hm,buf,1);
2005 /* hash version,data length and data */
2006 *((gint16*)buf) = g_htons(ver);
2007 ssl_hmac_update(&hm,buf,2);
2009 *((gint16*)buf) = g_htons(datalen);
2010 ssl_hmac_update(&hm,buf,2);
2011 ssl_hmac_update(&hm,data,datalen);
2012 /* get digest and digest len */
2013 ssl_hmac_final(&hm,buf,&len);
2014 ssl_hmac_cleanup(&hm);
2015 ssl_print_data("Mac", buf, len);
2016 if(memcmp(mac,buf,len))
2025 ssl_decompress_record(SslDecompress* decomp, const guchar* in, guint inl, StringInfo* out_str, guint* outl)
2029 switch (decomp->compression) {
2030 case 1: /* DEFLATE */
2032 if (out_str->data_len < 16384) { /* maximal plain length */
2033 ssl_data_realloc(out_str, 16384);
2035 decomp->istream.next_in = (guchar*)in;
2036 decomp->istream.avail_in = inl;
2037 decomp->istream.next_out = out_str->data;
2038 decomp->istream.avail_out = out_str->data_len;
2040 err = inflate(&decomp->istream, Z_SYNC_FLUSH);
2042 ssl_debug_printf("ssl_decompress_record: inflate() failed - %d\n", err);
2045 *outl = out_str->data_len - decomp->istream.avail_out;
2048 ssl_debug_printf("ssl_decompress_record: unsupported compression method %d\n", decomp->compression);
2055 ssl_decompress_record(SslDecompress* decomp _U_, const guchar* in _U_, guint inl _U_, StringInfo* out_str _U_, guint* outl _U_)
2057 ssl_debug_printf("ssl_decompress_record: unsupported compression method %d\n", decomp->compression);
2063 ssl_decrypt_record(SslDecryptSession*ssl,SslDecoder* decoder, gint ct,
2064 const guchar* in, guint inl, StringInfo* comp_str, StringInfo* out_str, guint* outl)
2066 guint pad, worklen, uncomplen;
2069 ssl_debug_printf("ssl_decrypt_record ciphertext len %d\n", inl);
2070 ssl_print_data("Ciphertext",in, inl);
2072 /* ensure we have enough storage space for decrypted data */
2073 if (inl > out_str->data_len)
2075 ssl_debug_printf("ssl_decrypt_record: allocating %d bytes for decrypt data (old len %d)\n",
2076 inl + 32, out_str->data_len);
2077 ssl_data_realloc(out_str, inl + 32);
2081 if ((pad = ssl_cipher_decrypt(&decoder->evp, out_str->data, out_str->data_len, in, inl))!= 0) {
2082 ssl_debug_printf("ssl_decrypt_record failed: ssl_cipher_decrypt: %s %s\n", gcry_strsource (pad),
2083 gcry_strerror (pad));
2087 ssl_print_data("Plaintext", out_str->data, inl);
2090 /* Now strip off the padding*/
2091 if(decoder->cipher_suite->block!=1) {
2092 pad=out_str->data[inl-1];
2094 ssl_debug_printf("ssl_decrypt_record found padding %d final len %d\n",
2099 if (decoder->cipher_suite->dig_len > (gint)worklen)
2101 ssl_debug_printf("ssl_decrypt_record wrong record len/padding outlen %d\n work %d\n",*outl, worklen);
2104 worklen-=decoder->cipher_suite->dig_len;
2105 mac = out_str->data + worklen;
2107 /* if TLS 1.1 we use the transmitted IV and remove it after (to not modify dissector in others parts)*/
2108 if(ssl->version_netorder==TLSV1DOT1_VERSION){
2109 worklen=worklen-decoder->cipher_suite->block;
2110 memcpy(out_str->data,out_str->data+decoder->cipher_suite->block,worklen);
2112 if(ssl->version_netorder==DTLSV1DOT0_VERSION ||
2113 ssl->version_netorder==DTLSV1DOT0_VERSION_NOT){
2114 worklen=worklen-decoder->cipher_suite->block;
2115 memcpy(out_str->data,out_str->data+decoder->cipher_suite->block,worklen);
2117 /* Now check the MAC */
2118 ssl_debug_printf("checking mac (len %d, version %X, ct %d seq %d)\n",
2119 worklen, ssl->version_netorder, ct, decoder->seq);
2120 if(ssl->version_netorder==SSLV3_VERSION){
2121 if(ssl3_check_mac(decoder,ct,out_str->data,worklen,mac) < 0) {
2122 ssl_debug_printf("ssl_decrypt_record: mac failed\n");
2126 else if(ssl->version_netorder==TLSV1_VERSION || ssl->version_netorder==TLSV1DOT1_VERSION){
2127 if(tls_check_mac(decoder,ct,ssl->version_netorder,out_str->data,worklen,mac)< 0) {
2128 ssl_debug_printf("ssl_decrypt_record: mac failed\n");
2132 else if(ssl->version_netorder==DTLSV1DOT0_VERSION ||
2133 ssl->version_netorder==DTLSV1DOT0_VERSION_NOT){
2134 /* following the openssl dtls errors the right test is:
2135 if(dtls_check_mac(decoder,ct,ssl->version_netorder,out_str->data,worklen,mac)< 0) { */
2136 if(tls_check_mac(decoder,ct,TLSV1_VERSION,out_str->data,worklen,mac)< 0) {
2137 ssl_debug_printf("ssl_decrypt_record: mac failed\n");
2141 ssl_debug_printf("ssl_decrypt_record: mac ok\n");
2144 if (decoder->compression > 0) {
2145 ssl_debug_printf("ssl_decrypt_record: compression method %d\n", decoder->compression);
2146 ssl_data_copy(comp_str, out_str);
2147 ssl_print_data("Plaintext compressed", comp_str->data, worklen);
2148 if (!decoder->decomp) {
2149 ssl_debug_printf("decrypt_ssl3_record: no decoder available\n");
2152 if (ssl_decompress_record(decoder->decomp, comp_str->data, worklen, out_str, &uncomplen) < 0) return -1;
2153 ssl_print_data("Plaintext uncompressed", out_str->data, uncomplen);
2161 ssl_get_version(gint* major, gint* minor, gint* patch)
2170 ssl_privkey_to_sexp(struct gnutls_x509_privkey_int* priv_key)
2172 gnutls_datum_t rsa_datum[RSA_PARS]; /* m, e, d, p, q, u */
2174 gcry_sexp_t rsa_priv_key;
2175 gint major, minor, patch;
2176 gint i, p_idx, q_idx;
2179 unsigned char buf_keyid[32];
2182 gcry_mpi_t* rsa_params = g_malloc(sizeof(gcry_mpi_t)*RSA_PARS);
2184 gcry_mpi_t rsa_params[RSA_PARS];
2187 buf_len = sizeof(buf_keyid);
2188 ret = gnutls_x509_privkey_get_key_id(priv_key, 0, buf_keyid, &buf_len);
2190 ssl_debug_printf( "gnutls_x509_privkey_get_key_id(ssl_pkey, 0, buf_keyid, &buf_len) - %s\n", gnutls_strerror(ret));
2192 ssl_debug_printf( "Private key imported: KeyID %s\n", bytes_to_str_punct(buf_keyid, buf_len, ':'));
2196 * note: openssl and gnutls use 'p' and 'q' with opposite meaning:
2197 * our 'p' must be equal to 'q' as provided from openssl and viceversa
2200 #if (LIBGNUTLS_VERSION_MAJOR>2)||((LIBGNUTLS_VERSION_MAJOR==2)&&(LIBGNUTLS_VERSION_MINOR>=5))
2201 p_idx = 3; q_idx = 4;
2202 #else /* versions 2.4.x and older need 'p' and 'q' swapped */
2203 p_idx = 4; q_idx = 3;
2206 /* RSA get parameter */
2207 if (gnutls_x509_privkey_export_rsa_raw(priv_key,
2208 &rsa_datum[0], &rsa_datum[1], &rsa_datum[2], &rsa_datum[p_idx], &rsa_datum[q_idx], &rsa_datum[5]) != 0) {
2209 ssl_debug_printf("ssl_load_key: can't export rsa param (is a rsa private key file ?!?)\n");
2216 /* convert each rsa parameter to mpi format*/
2217 for(i=0; i<RSA_PARS; i++) {
2218 if (gcry_mpi_scan(&rsa_params[i], GCRYMPI_FMT_USG, rsa_datum[i].data, rsa_datum[i].size,&tmp_size) != 0) {
2219 ssl_debug_printf("ssl_load_key: can't convert m rsa param to int (size %d)\n", rsa_datum[i].size);
2227 ssl_get_version(&major, &minor, &patch);
2229 /* certain versions of gnutls require swap of rsa params 'p' and 'q' */
2230 if ((major <= 1) && (minor <= 0) && (patch <=13))
2233 ssl_debug_printf("ssl_load_key: swapping p and q parameters\n");
2234 tmp = rsa_params[4];
2235 rsa_params[4] = rsa_params[3];
2236 rsa_params[3] = tmp;
2239 if (gcry_sexp_build( &rsa_priv_key, NULL,
2240 "(private-key(rsa((n%m)(e%m)(d%m)(p%m)(q%m)(u%m))))", rsa_params[0],
2241 rsa_params[1], rsa_params[2], rsa_params[3], rsa_params[4],
2242 rsa_params[5]) != 0) {
2243 ssl_debug_printf("ssl_load_key: can't build rsa private key s-exp\n");
2255 for (i=0; i< 6; i++)
2256 gcry_mpi_release(rsa_params[i]);
2258 return rsa_priv_key;
2264 ssl_load_key(FILE* fp)
2266 /* gnutls make our work much harded, since we have to work internally with
2267 * s-exp formatted data, but PEM loader export only in "gnutls_datum"
2268 * format, and a datum -> s-exp convertion function does not exist.
2270 gnutls_x509_privkey_t priv_key;
2275 Ssl_private_key_t *private_key = g_malloc(sizeof(Ssl_private_key_t));
2276 private_key->x509_cert = 0;
2277 private_key->x509_pkey = 0;
2278 private_key->sexp_pkey = 0;
2280 /* init private key data*/
2281 gnutls_x509_privkey_init(&priv_key);
2283 /* compute file size and load all file contents into a datum buffer*/
2284 if (fseek(fp, 0, SEEK_END) < 0) {
2285 ssl_debug_printf("ssl_load_key: can't fseek file\n");
2286 g_free(private_key);
2289 if ((size = ftell(fp)) < 0) {
2290 ssl_debug_printf("ssl_load_key: can't ftell file\n");
2291 g_free(private_key);
2294 if (fseek(fp, 0, SEEK_SET) < 0) {
2295 ssl_debug_printf("ssl_load_key: can't re-fseek file\n");
2296 g_free(private_key);
2299 key.data = g_malloc(size);
2301 bytes = fread(key.data, 1, key.size, fp);
2302 if (bytes < key.size) {
2303 ssl_debug_printf("ssl_load_key: can't read from file %d bytes, got %d\n",
2305 g_free(private_key);
2310 /* import PEM data*/
2311 if (gnutls_x509_privkey_import(priv_key, &key, GNUTLS_X509_FMT_PEM)!=0) {
2312 ssl_debug_printf("ssl_load_key: can't import pem data\n");
2313 g_free(private_key);
2319 private_key->x509_pkey = priv_key;
2320 private_key->sexp_pkey = ssl_privkey_to_sexp(priv_key);
2321 if ( !private_key->sexp_pkey ) {
2322 g_free(private_key);
2328 const char *BAGTYPE(gnutls_pkcs12_bag_type_t x) {
2330 case GNUTLS_BAG_EMPTY: return "Empty";
2331 case GNUTLS_BAG_PKCS8_ENCRYPTED_KEY: return "PKCS#8 Encrypted key";
2332 case GNUTLS_BAG_PKCS8_KEY: return "PKCS#8 Key";
2333 case GNUTLS_BAG_CERTIFICATE: return "Certificate";
2334 case GNUTLS_BAG_CRL: return "CRL";
2335 case GNUTLS_BAG_ENCRYPTED: return "Encrypted";
2336 case GNUTLS_BAG_UNKNOWN: return "Unknown";
2337 default: return "<undefined>";
2342 ssl_load_pkcs12(FILE* fp, const gchar *cert_passwd) {
2347 gnutls_datum_t data;
2348 gnutls_pkcs12_bag_t bag = NULL;
2349 gnutls_pkcs12_bag_type_t bag_type;
2351 static char buf_name[256];
2352 static char buf_email[128];
2353 unsigned char buf_keyid[32];
2355 gnutls_pkcs12_t ssl_p12 = NULL;
2356 gnutls_x509_crt_t ssl_cert = NULL;
2357 gnutls_x509_privkey_t ssl_pkey = NULL;
2359 Ssl_private_key_t *private_key = g_malloc(sizeof(Ssl_private_key_t));
2360 private_key->x509_cert = 0;
2361 private_key->x509_pkey = 0;
2362 private_key->sexp_pkey = 0;
2365 data.data = g_malloc(rest);
2368 while ((len = fread(p, 1, rest, fp)) > 0) {
2373 data.data = g_realloc(data.data, data.size + rest);
2374 p = data.data + data.size;
2379 ssl_debug_printf("%d bytes read\n", data.size);
2381 ssl_debug_printf( "Error during certificate reading.\n");
2382 g_free(private_key);
2386 ret = gnutls_pkcs12_init(&ssl_p12);
2388 ssl_debug_printf("gnutls_pkcs12_init(&st_p12) - %s", gnutls_strerror(ret));
2389 g_free(private_key);
2392 ret = gnutls_pkcs12_import(ssl_p12, &data, GNUTLS_X509_FMT_DER, 0);
2395 ssl_debug_printf("gnutls_pkcs12_import(ssl_p12, &data, GNUTLS_X509_FMT_DER, 0) - %s\n", gnutls_strerror(ret));
2396 g_free(private_key);
2400 ssl_debug_printf( "PKCS#12 imported\n");
2402 for (i=0; ret==0; i++) {
2404 if (bag) { gnutls_pkcs12_bag_deinit(bag); bag = NULL; }
2406 ret = gnutls_pkcs12_bag_init(&bag);
2407 if (ret < 0) continue;
2409 ret = gnutls_pkcs12_get_bag(ssl_p12, i, bag);
2410 if (ret < 0) continue;
2412 for (j=0; ret==0 && j<gnutls_pkcs12_bag_get_count(bag); j++) {
2414 bag_type = gnutls_pkcs12_bag_get_type(bag, j);
2415 if (bag_type >= GNUTLS_BAG_UNKNOWN) continue;
2416 ssl_debug_printf( "Bag %d/%d: %s\n", i, j, BAGTYPE(bag_type));
2417 if (bag_type == GNUTLS_BAG_ENCRYPTED) {
2418 ret = gnutls_pkcs12_bag_decrypt(bag, cert_passwd);
2420 bag_type = gnutls_pkcs12_bag_get_type(bag, j);
2421 if (bag_type >= GNUTLS_BAG_UNKNOWN) continue;
2422 ssl_debug_printf( "Bag %d/%d decrypted: %s\n", i, j, BAGTYPE(bag_type));
2427 ret = gnutls_pkcs12_bag_get_data(bag, j, &data);
2428 if (ret < 0) continue;
2432 case GNUTLS_BAG_CERTIFICATE:
2434 ret = gnutls_x509_crt_init(&ssl_cert);
2436 ssl_debug_printf( "gnutls_x509_crt_init(&ssl_cert) - %s\n", gnutls_strerror(ret));
2437 g_free(private_key);
2441 ret = gnutls_x509_crt_import(ssl_cert, &data, GNUTLS_X509_FMT_DER);
2443 ssl_debug_printf( "gnutls_x509_crt_import(ssl_cert, &data, GNUTLS_X509_FMT_DER) - %s\n", gnutls_strerror(ret));
2444 g_free(private_key);
2448 buf_len = sizeof(buf_name);
2449 ret = gnutls_x509_crt_get_dn_by_oid(ssl_cert, GNUTLS_OID_X520_COMMON_NAME, 0, 0, buf_name, &buf_len);
2450 if (ret < 0) { g_strlcpy(buf_name, "<ERROR>", 256); }
2451 buf_len = sizeof(buf_email);
2452 ret = gnutls_x509_crt_get_dn_by_oid(ssl_cert, GNUTLS_OID_PKCS9_EMAIL, 0, 0, buf_email, &buf_len);
2453 if (ret < 0) { g_strlcpy(buf_email, "<ERROR>", 128); }
2455 buf_len = sizeof(buf_keyid);
2456 ret = gnutls_x509_crt_get_key_id(ssl_cert, 0, buf_keyid, &buf_len);
2457 if (ret < 0) { g_strlcpy(buf_keyid, "<ERROR>", 32); }
2459 private_key->x509_cert = ssl_cert;
2460 ssl_debug_printf( "Certificate imported: %s <%s>, KeyID %s\n", buf_name, buf_email, bytes_to_str(buf_keyid, buf_len));
2463 case GNUTLS_BAG_PKCS8_KEY:
2464 case GNUTLS_BAG_PKCS8_ENCRYPTED_KEY:
2466 ret = gnutls_x509_privkey_init(&ssl_pkey);
2468 ssl_debug_printf( "gnutls_x509_privkey_init(&ssl_pkey) - %s\n", gnutls_strerror(ret));
2469 g_free(private_key);
2472 ret = gnutls_x509_privkey_import_pkcs8(ssl_pkey, &data, GNUTLS_X509_FMT_DER, cert_passwd,
2473 (bag_type==GNUTLS_BAG_PKCS8_KEY) ? GNUTLS_PKCS_PLAIN : 0);
2475 ssl_debug_printf( "Can not decrypt private key - %s\n", gnutls_strerror(ret));
2476 g_free(private_key);
2480 private_key->x509_pkey = ssl_pkey;
2481 private_key->sexp_pkey = ssl_privkey_to_sexp(ssl_pkey);
2482 if ( !private_key->sexp_pkey ) {
2483 g_free(private_key);
2497 void ssl_free_key(Ssl_private_key_t* key)
2501 for (i=0; i< 6; i++)
2502 gcry_mpi_release(key->sexp_pkey[i]);
2504 gcry_sexp_release(key->sexp_pkey);
2507 if (!key->x509_cert)
2508 gnutls_x509_crt_deinit (key->x509_cert);
2510 if (!key->x509_pkey)
2511 gnutls_x509_privkey_deinit(key->x509_pkey);
2513 g_free((Ssl_private_key_t*)key);
2517 ssl_find_private_key(SslDecryptSession *ssl_session, GHashTable *key_hash, GTree* associations, packet_info *pinfo) {
2519 char ip_addr_any[] = {0,0,0,0};
2521 Ssl_private_key_t * private_key;
2523 /* we need to know which side of the conversation is speaking */
2524 if (ssl_packet_from_server(ssl_session, associations, pinfo)) {
2525 dummy.addr = pinfo->src;
2526 dummy.port = port = pinfo->srcport;
2528 dummy.addr = pinfo->dst;
2529 dummy.port = port = pinfo->destport;
2531 ssl_debug_printf("ssl_find_private_key server %s:%u\n",
2532 ep_address_to_str(&dummy.addr),dummy.port);
2534 /* try to retrieve private key for this service. Do it now 'cause pinfo
2535 * is not always available
2536 * Note that with HAVE_LIBGNUTLS undefined private_key is allways 0
2537 * and thus decryption never engaged*/
2540 ssl_session->private_key = 0;
2541 private_key = g_hash_table_lookup(key_hash, &dummy);
2544 ssl_debug_printf("ssl_find_private_key can't find private key for this server! Try it again with universal port 0\n");
2547 private_key = g_hash_table_lookup(key_hash, &dummy);
2551 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");
2553 dummy.addr.type = AT_IPv4;
2555 dummy.addr.data = ip_addr_any;
2558 private_key = g_hash_table_lookup(key_hash, &dummy);
2562 ssl_debug_printf("ssl_find_private_key can't find any private key!\n");
2564 ssl_session->private_key = private_key->sexp_pkey;
2573 const gchar* str = gnutls_check_version(NULL);
2575 /* get library version */
2576 /* old relase of gnutls does not define the appropriate macros, so get
2577 * them from the string*/
2578 ssl_debug_printf("gnutls version: %s\n", str);
2579 sscanf(str, "%d.%d.%d", &ver_major, &ver_minor, &ver_patch);
2582 #else /* HAVE_LIBGNUTLS */
2583 /* no libgnutl: dummy operation to keep interface consistent*/
2590 ssl_load_key(FILE* fp)
2592 ssl_debug_printf("ssl_load_key: impossible without gnutls. fp %p\n",fp);
2597 ssl_load_pkcs12(FILE* fp, const gchar *cert_passwd _U_) {
2598 ssl_debug_printf("ssl_load_pkcs12: impossible without gnutls. fp %p\n",fp);
2603 ssl_free_key(Ssl_private_key_t* key _U_)
2608 ssl_find_private_key(SslDecryptSession *ssl_session _U_, GHashTable *key_hash _U_, GTree* associations _U_, packet_info *pinfo _U_)
2614 ssl_find_cipher(int num,SslCipherSuite* cs)
2616 ssl_debug_printf("ssl_find_cipher: dummy without gnutls. num %d cs %p\n",
2621 ssl_generate_keyring_material(SslDecryptSession*ssl)
2623 ssl_debug_printf("ssl_generate_keyring_material: impossible without gnutls. ssl %p\n",
2628 ssl_change_cipher(SslDecryptSession *ssl_session, gboolean server)
2630 ssl_debug_printf("ssl_change_cipher %s: makes no sense without gnutls. ssl %p\n",
2631 (server)?"SERVER":"CLIENT", ssl_session);
2635 ssl_decrypt_pre_master_secret(SslDecryptSession* ssl_session,
2636 StringInfo* entrypted_pre_master, SSL_PRIVATE_KEY *pk)
2638 ssl_debug_printf("ssl_decrypt_pre_master_secret: impossible without gnutls."
2639 " ssl %p entrypted_pre_master %p pk %p\n", ssl_session,
2640 entrypted_pre_master, pk);
2645 ssl_decrypt_record(SslDecryptSession*ssl, SslDecoder* decoder, gint ct,
2646 const guchar* in, guint inl, StringInfo* comp_str _U_, StringInfo* out, guint* outl)
2648 ssl_debug_printf("ssl_decrypt_record: impossible without gnutls. ssl %p"
2649 "decoder %p ct %d, in %p inl %d out %p outl %p\n", ssl, decoder, ct,
2650 in, inl, out, outl);
2655 ssl_cipher_setiv(SSL_CIPHER_CTX *cipher _U_, guchar* iv _U_, gint iv_len _U_)
2657 ssl_debug_printf("ssl_cipher_setiv: impossible without gnutls.\n");
2661 #endif /* HAVE_LIBGNUTLS */
2663 /* get ssl data for this session. if no ssl data is found allocate a new one*/
2665 ssl_session_init(SslDecryptSession* ssl_session)
2667 ssl_debug_printf("ssl_session_init: initializing ptr %p size %lu\n",
2668 (void *)ssl_session, (gulong)sizeof(SslDecryptSession));
2670 ssl_session->master_secret.data = ssl_session->_master_secret;
2671 ssl_session->session_id.data = ssl_session->_session_id;
2672 ssl_session->client_random.data = ssl_session->_client_random;
2673 ssl_session->server_random.data = ssl_session->_server_random;
2674 ssl_session->master_secret.data_len = 48;
2675 ssl_session->server_data_for_iv.data_len = 0;
2676 ssl_session->server_data_for_iv.data = ssl_session->_server_data_for_iv;
2677 ssl_session->client_data_for_iv.data_len = 0;
2678 ssl_session->client_data_for_iv.data = ssl_session->_client_data_for_iv;
2679 ssl_session->app_data_segment.data=NULL;
2680 ssl_session->app_data_segment.data_len=0;
2681 SET_ADDRESS(&ssl_session->srv_addr, AT_NONE, 0, NULL);
2682 ssl_session->srv_ptype = PT_NONE;
2683 ssl_session->srv_port = 0;
2687 ssl_set_server(SslDecryptSession* ssl, address *addr, port_type ptype, guint32 port)
2689 SE_COPY_ADDRESS(&ssl->srv_addr, addr);
2690 ssl->srv_ptype = ptype;
2691 ssl->srv_port = port;
2694 /* Hash Functions for TLS/DTLS sessions table and private keys table*/
2696 ssl_equal (gconstpointer v, gconstpointer v2)
2698 const StringInfo *val1;
2699 const StringInfo *val2;
2700 val1 = (const StringInfo *)v;
2701 val2 = (const StringInfo *)v2;
2703 if (val1->data_len == val2->data_len &&
2704 !memcmp(val1->data, val2->data, val2->data_len)) {
2711 ssl_hash (gconstpointer v)
2714 const StringInfo* id;
2717 id = (const StringInfo*) v;
2719 /* id and id->data are mallocated in ssl_save_session(). As such 'data'
2720 * should be aligned for any kind of access (for example as a guint as
2721 * is done below). The intermediate void* cast is to prevent "cast
2722 * increases required alignment of target type" warnings on CPUs (such
2723 * as SPARCs) that do not allow misaligned memory accesses.
2725 cur = (const guint*)(void*) id->data;
2727 for (l=4; (l < id->data_len); l+=4, cur++)
2728 hash = hash ^ (*cur);
2734 ssl_private_key_equal (gconstpointer v, gconstpointer v2)
2736 const SslService *val1;
2737 const SslService *val2;
2738 val1 = (const SslService *)v;
2739 val2 = (const SslService *)v2;
2741 if ((val1->port == val2->port) &&
2742 ! CMP_ADDRESS(&val1->addr, &val2->addr)) {
2749 ssl_private_key_hash (gconstpointer v)
2751 const SslService *key;
2752 guint l, hash, len ;
2754 key = (const SslService *)v;
2756 len = key->addr.len;
2757 cur = (const guint*) key->addr.data;
2759 for (l=4; (l<len); l+=4, cur++)
2760 hash = hash ^ (*cur);
2765 /* private key table entries have a scope 'larger' then packet capture,
2766 * so we can't relay on se_alloc** function */
2768 ssl_private_key_free(gpointer id, gpointer key, gpointer dummy _U_)
2771 ssl_free_key((Ssl_private_key_t*) key);
2774 /* handling of association between tls/dtls ports and clear text protocol */
2776 ssl_association_add(GTree* associations, dissector_handle_t handle, guint port, const gchar *protocol, gboolean tcp, gboolean from_key_list)
2779 SslAssociation* assoc;
2780 assoc = g_malloc(sizeof(SslAssociation));
2783 assoc->ssl_port = port;
2784 assoc->info=g_strdup(protocol);
2785 assoc->handle = find_dissector(protocol);
2786 assoc->from_key_list = from_key_list;
2788 ssl_debug_printf("association_add %s port %d protocol %s handle %p\n",
2789 (assoc->tcp)?"TCP":"UDP", port, protocol, (void *)(assoc->handle));
2792 if (!assoc->handle) {
2793 ssl_debug_printf("association_add could not find handle for protocol '%s', try to find 'data' dissector\n", protocol);
2794 assoc->handle = find_dissector("data");
2797 if(!assoc->handle) {
2798 fprintf(stderr, "association_add() could not find handle for protocol:%s\n",protocol);
2802 dissector_add("tcp.port", port, handle);
2804 dissector_add("udp.port", port, handle);
2806 g_tree_insert(associations, assoc, assoc);
2811 ssl_association_remove(GTree* associations, SslAssociation *assoc)
2813 ssl_debug_printf("ssl_association_remove removing %s %u - %s handle %p\n",
2814 (assoc->tcp)?"TCP":"UDP", assoc->ssl_port, assoc->info, (void *)(assoc->handle));
2816 dissector_delete((assoc->tcp)?"tcp.port":"udp.port", assoc->ssl_port, assoc->handle);
2818 g_free(assoc->info);
2820 g_tree_remove(associations, assoc);
2825 ssl_association_cmp(gconstpointer a, gconstpointer b)
2827 const SslAssociation *assoc_a=a, *assoc_b=b;
2828 if (assoc_a->tcp != assoc_b->tcp) return (assoc_a->tcp)?1:-1;
2829 return assoc_a->ssl_port - assoc_b->ssl_port;
2833 ssl_association_find(GTree * associations, guint port, gboolean tcp)
2835 register SslAssociation* ret;
2836 SslAssociation assoc_tmp;
2838 assoc_tmp.tcp = tcp;
2839 assoc_tmp.ssl_port = port;
2840 ret = g_tree_lookup(associations, &assoc_tmp);
2842 ssl_debug_printf("association_find: %s port %d found %p\n", (tcp)?"TCP":"UDP", port, (void *)ret);
2847 ssl_assoc_from_key_list(gpointer key _U_, gpointer data, gpointer user_data)
2849 if (((SslAssociation*)data)->from_key_list)
2850 ep_stack_push((ep_stack_t)user_data, data);
2855 ssl_packet_from_server(SslDecryptSession* ssl, GTree* associations, packet_info *pinfo)
2858 if (ssl && (ssl->srv_ptype != PT_NONE)) {
2859 ret = (ssl->srv_ptype == pinfo->ptype) && (ssl->srv_port == pinfo->srcport) && ADDRESSES_EQUAL(&ssl->srv_addr, &pinfo->src);
2861 ret = ssl_association_find(associations, pinfo->srcport, pinfo->ptype == PT_TCP) != 0;
2864 ssl_debug_printf("packet_from_server: is from server - %s\n", (ret)?"TRUE":"FALSE");
2868 /* add to packet data a newly allocated tvb with the specified real data*/
2870 ssl_add_record_info(gint proto, packet_info *pinfo, guchar* data, gint data_len, gint record_id)
2875 real_data = se_alloc(data_len);
2876 rec = se_alloc(sizeof(SslRecordInfo));
2877 pi = p_get_proto_data(pinfo->fd, proto);
2881 pi = se_alloc0(sizeof(SslPacketInfo));
2882 p_add_proto_data(pinfo->fd, proto,pi);
2885 rec->id = record_id;
2886 rec->tvb = tvb_new_real_data(real_data, data_len, data_len);
2887 memcpy(real_data, data, data_len);
2889 /* head insertion */
2890 rec->next= pi->handshake_data;
2891 pi->handshake_data = rec;
2895 /* search in packet data the tvbuff associated to the specified id */
2897 ssl_get_record_info(int proto, packet_info *pinfo, gint record_id)
2901 pi = p_get_proto_data(pinfo->fd, proto);
2906 for (rec = pi->handshake_data; rec; rec = rec->next)
2907 if (rec->id == record_id)
2914 ssl_add_data_info(gint proto, packet_info *pinfo, guchar* data, gint data_len, gint key, SslFlow *flow)
2916 SslDataInfo *rec, **prec;
2919 pi = p_get_proto_data(pinfo->fd, proto);
2922 pi = se_alloc0(sizeof(SslPacketInfo));
2923 p_add_proto_data(pinfo->fd, proto,pi);
2926 rec = se_alloc(sizeof(SslDataInfo)+data_len);
2928 rec->plain_data.data = (guchar*)(rec + 1);
2929 memcpy(rec->plain_data.data, data, data_len);
2930 rec->plain_data.data_len = data_len;
2931 rec->seq = flow->byte_seq;
2932 rec->nxtseq = flow->byte_seq + data_len;
2936 flow->byte_seq += data_len;
2939 prec = &pi->appl_data;
2940 while (*prec) prec = &(*prec)->next;
2943 ssl_debug_printf("ssl_add_data_info: new data inserted data_len = %d, seq = %u, nxtseq = %u\n",
2944 rec->plain_data.data_len, rec->seq, rec->nxtseq);
2948 ssl_get_data_info(int proto, packet_info *pinfo, gint key)
2952 pi = p_get_proto_data(pinfo->fd, proto);
2954 if (!pi) return NULL;
2956 rec = pi->appl_data;
2958 if (rec->key == key) return rec;
2965 /* initialize/reset per capture state data (ssl sessions cache) */
2967 ssl_common_init(GHashTable **session_hash, StringInfo *decrypted_data, StringInfo *compressed_data)
2970 g_hash_table_destroy(*session_hash);
2971 *session_hash = g_hash_table_new(ssl_hash, ssl_equal);
2973 g_free(decrypted_data->data);
2974 ssl_data_alloc(decrypted_data, 32);
2976 g_free(compressed_data->data);
2977 ssl_data_alloc(compressed_data, 32);
2980 /* parse ssl related preferences (private keys and ports association strings) */
2982 ssl_parse_key_list(const gchar * keys_list, GHashTable *key_hash, GTree* associations, dissector_handle_t handle, gboolean tcp)
2988 SslService* service;
2989 Ssl_private_key_t * private_key, *tmp_private_key;
2992 start = g_strdup(keys_list);
2994 ssl_debug_printf("ssl_init keys string:\n%s\n", start);
2996 int read_index, write_index;
2997 gchar* addr, *port, *protocol, *filename, *cert_passwd;
3000 /* split ip/file couple with ';' separator*/
3001 end = strpbrk(start, ";\n\r");
3007 /* skip comments (in file) */
3008 if (addr[0] == '#') continue;
3010 /* for each entry split ip, port, protocol, filename with ',' separator */
3011 ssl_debug_printf("ssl_init found host entry %s\n", addr);
3012 port = strchr(addr, ',');
3015 ssl_debug_printf("ssl_init entry malformed can't find port in '%s'\n", addr);
3021 protocol = strchr(port,',');
3024 ssl_debug_printf("ssl_init entry malformed can't find protocol in %s\n", port);
3030 filename = strchr(protocol,',');
3033 ssl_debug_printf("ssl_init entry malformed can't find filename in %s\n", protocol);
3039 cert_passwd = strchr(filename,',');
3046 /* convert ip and port string to network rappresentation*/
3047 service = g_malloc(sizeof(SslService) + 4);
3048 service->addr.type = AT_IPv4;
3049 service->addr.len = 4;
3050 service->addr.data = ip = ((guchar*)service) + sizeof(SslService);
3052 /* remove all spaces in addr */
3056 while(addr[read_index]) {
3057 if (addr[read_index] != ' ') {
3058 addr[write_index] = addr[read_index];
3063 addr[write_index] = 0;
3065 if ( !strcmp("any", addr) || !strcmp("ANY", addr) ) {
3071 sscanf(addr, "%hhu.%hhu.%hhu.%hhu", &ip[0], &ip[1], &ip[2], &ip[3]);
3074 if(!strcmp("start_tls", port)) {
3077 service->port = atoi(port);
3079 ssl_debug_printf("ssl_init addr '%hhu.%hhu.%hhu.%hhu' port '%d' filename '%s' password(only for p12 file) '%s'\n",
3080 ip[0], ip[1], ip[2], ip[3], service->port, filename, cert_passwd);
3082 /* try to load pen or p12 file*/
3083 fp = ws_fopen(filename, "rb");
3085 fprintf(stderr, "can't open file %s \n",filename);
3090 private_key = ssl_load_key(fp);
3094 private_key = ssl_load_pkcs12(fp,cert_passwd);
3098 fprintf(stderr,"can't load private key from %s\n",
3105 ssl_debug_printf("ssl_init private key file %s successfully loaded\n",filename);
3107 /* if item exists, remove first */
3108 tmp_private_key = g_hash_table_lookup(key_hash, service);
3109 if (tmp_private_key) {
3110 g_hash_table_remove(key_hash, service);
3111 ssl_free_key(tmp_private_key);
3113 g_hash_table_insert(key_hash, service, private_key);
3115 ssl_association_add(associations, handle, service->port, protocol, tcp, TRUE);
3117 } while (end != NULL);
3121 /* store master secret into session data cache */
3123 ssl_save_session(SslDecryptSession* ssl, GHashTable *session_hash)
3125 /* allocate stringinfo chunks for session id and master secret data*/
3126 StringInfo* session_id;
3127 StringInfo* master_secret;
3128 session_id = se_alloc0(sizeof(StringInfo) + ssl->session_id.data_len);
3129 master_secret = se_alloc0(48 + sizeof(StringInfo));
3131 master_secret->data = ((guchar*)master_secret+sizeof(StringInfo));
3133 /* ssl_hash() depends on session_id->data being aligned for guint access
3134 * so be careful in changing how it is allocated.
3136 session_id->data = ((guchar*)session_id+sizeof(StringInfo));
3138 ssl_data_set(session_id, ssl->session_id.data, ssl->session_id.data_len);
3139 ssl_data_set(master_secret, ssl->master_secret.data, ssl->master_secret.data_len);
3140 g_hash_table_insert(session_hash, session_id, master_secret);
3141 ssl_print_string("ssl_save_session stored session id", session_id);
3142 ssl_print_string("ssl_save_session stored master secret", master_secret);
3146 ssl_restore_session(SslDecryptSession* ssl, GHashTable *session_hash)
3149 ms = g_hash_table_lookup(session_hash, &ssl->session_id);
3152 ssl_debug_printf("ssl_restore_session can't find stored session\n");
3155 ssl_data_set(&ssl->master_secret, ms->data, ms->data_len);
3156 ssl->state |= SSL_MASTER_SECRET;
3157 ssl_debug_printf("ssl_restore_session master key retrieved\n");
3161 ssl_is_valid_content_type(guint8 type)
3163 if (type >= 0x14 && type <= 0x17)
3171 #ifdef SSL_DECRYPT_DEBUG
3173 static FILE* ssl_debug_file=NULL;
3176 ssl_set_debug(char* name)
3178 static gint debug_file_must_be_closed;
3180 debug_file_must_be_closed = 0;
3181 use_stderr = name?(strcmp(name, SSL_DEBUG_USE_STDERR) == 0):0;
3183 if (debug_file_must_be_closed)
3184 fclose(ssl_debug_file);
3186 ssl_debug_file = stderr;
3187 else if (!name || (strcmp(name, "") ==0))
3188 ssl_debug_file = NULL;
3190 ssl_debug_file = ws_fopen(name, "w");
3191 if (!use_stderr && ssl_debug_file)
3192 debug_file_must_be_closed = 1;
3196 ssl_debug_flush(void)
3199 fflush(ssl_debug_file);
3203 ssl_debug_printf(const gchar* fmt, ...)
3209 if (!ssl_debug_file)
3213 ret += vfprintf(ssl_debug_file, fmt, ap);
3218 ssl_print_text_data(const gchar* name, const guchar* data, gint len)
3221 if (!ssl_debug_file)
3223 fprintf(ssl_debug_file,"%s: ",name);
3224 for (i=0; i< len; i++) {
3225 fprintf(ssl_debug_file,"%c",data[i]);
3227 fprintf(ssl_debug_file,"\n");
3231 ssl_print_data(const gchar* name, const guchar* data, gint len)
3234 if (!ssl_debug_file)
3236 fprintf(ssl_debug_file,"%s[%d]:\n",name, len);
3237 for (i=0; i< len; i++) {
3238 if ((i>0) && (i%16 == 0))
3239 fprintf(ssl_debug_file,"\n");
3240 fprintf(ssl_debug_file,"%.2x ",data[i]&255);
3242 fprintf(ssl_debug_file,"\n");
3246 ssl_print_string(const gchar* name, const StringInfo* data)
3248 ssl_print_data(name, data->data, data->data_len);
3250 #endif /* SSL_DECRYPT_DEBUG */