Clarify CMS_decrypt behaviour.
[openssl.git] / ssl / t1_trce.c
1 /* ssl/t1_trce.c */
2 /* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
3  * project.
4  */
5 /* ====================================================================
6  * Copyright (c) 2012 The OpenSSL Project.  All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  *
12  * 1. Redistributions of source code must retain the above copyright
13  *    notice, this list of conditions and the following disclaimer. 
14  *
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in
17  *    the documentation and/or other materials provided with the
18  *    distribution.
19  *
20  * 3. All advertising materials mentioning features or use of this
21  *    software must display the following acknowledgment:
22  *    "This product includes software developed by the OpenSSL Project
23  *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
24  *
25  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
26  *    endorse or promote products derived from this software without
27  *    prior written permission. For written permission, please contact
28  *    licensing@OpenSSL.org.
29  *
30  * 5. Products derived from this software may not be called "OpenSSL"
31  *    nor may "OpenSSL" appear in their names without prior written
32  *    permission of the OpenSSL Project.
33  *
34  * 6. Redistributions of any form whatsoever must retain the following
35  *    acknowledgment:
36  *    "This product includes software developed by the OpenSSL Project
37  *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
38  *
39  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
40  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
41  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
42  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
43  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
44  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
45  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
46  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
47  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
48  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
49  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
50  * OF THE POSSIBILITY OF SUCH DAMAGE.
51  * ====================================================================
52  *
53  */
54
55 #include "ssl_locl.h"
56
57 #ifndef OPENSSL_NO_SSL_TRACE
58
59 /* Packet trace support for OpenSSL */
60
61 typedef struct 
62         {
63         int num;
64         const char *name;
65         } ssl_trace_tbl;
66
67 #define ssl_trace_str(val, tbl) \
68         do_ssl_trace_str(val, tbl, sizeof(tbl)/sizeof(ssl_trace_tbl))
69
70 #define ssl_trace_list(bio, indent, msg, msglen, value, table) \
71         do_ssl_trace_list(bio, indent, msg, msglen, value, \
72          table, sizeof(table)/sizeof(ssl_trace_tbl))
73  
74 static const char *do_ssl_trace_str(int val, ssl_trace_tbl *tbl, size_t ntbl)
75         {
76         size_t i;
77         for (i = 0; i < ntbl; i++, tbl++)
78                 {
79                 if (tbl->num == val)
80                         return tbl->name;
81                 }
82         return "UNKNOWN";
83         }
84
85 static int do_ssl_trace_list(BIO *bio, int indent,
86                                 const unsigned char *msg, size_t msglen,
87                                 size_t vlen, ssl_trace_tbl *tbl, size_t ntbl)
88         {
89         int val;
90         if (msglen%vlen)
91                 return 0;
92         while(msglen)
93                 {
94                 val = msg[0];
95                 if (vlen == 2)
96                         val = (val << 8) | msg[1];
97                 BIO_indent(bio, indent, 80);
98                 BIO_printf(bio, "%s (%d)\n",
99                                         do_ssl_trace_str(val, tbl, ntbl), val);
100                 msg += vlen;
101                 msglen -= vlen;
102                 }
103         return 1;
104         }
105
106 /* Version number */
107
108 static ssl_trace_tbl ssl_version_tbl[] = {
109         {SSL2_VERSION,          "SSL 2.0"},
110         {SSL3_VERSION,          "SSL 3.0"},
111         {TLS1_VERSION,          "TLS 1.0"},
112         {TLS1_1_VERSION,        "TLS 1.1"},
113         {TLS1_2_VERSION,        "TLS 1.2"},
114         {DTLS1_VERSION,         "DTLS 1.0"},
115         {DTLS1_2_VERSION,       "DTLS 1.2"},
116         {DTLS1_BAD_VER,         "DTLS 1.0 (bad)"}
117 };
118
119 static ssl_trace_tbl ssl_content_tbl[] = {
120         {SSL3_RT_CHANGE_CIPHER_SPEC,    "ChangeCipherSpec"},
121         {SSL3_RT_ALERT,                 "Alert"},
122         {SSL3_RT_HANDSHAKE,             "Handshake"},
123         {SSL3_RT_APPLICATION_DATA,      "ApplicationData"},
124         {TLS1_RT_HEARTBEAT,             "HeartBeat"}
125 };
126 /* Handshake types */
127 static ssl_trace_tbl ssl_handshake_tbl[] = {
128         {SSL3_MT_HELLO_REQUEST,         "HelloRequest"},
129         {SSL3_MT_CLIENT_HELLO,          "ClientHello"},
130         {SSL3_MT_SERVER_HELLO,          "ServerHello"},
131         {DTLS1_MT_HELLO_VERIFY_REQUEST, "HelloVerifyRequest"},
132         {SSL3_MT_NEWSESSION_TICKET,     "NewSessionTicket"},
133         {SSL3_MT_CERTIFICATE,           "Certificate"},
134         {SSL3_MT_SERVER_KEY_EXCHANGE,   "ServerKeyExchange"},
135         {SSL3_MT_CERTIFICATE_REQUEST,   "CertificateRequest"},
136         {SSL3_MT_CLIENT_KEY_EXCHANGE,   "ClientKeyExchange"},
137         {SSL3_MT_CERTIFICATE_STATUS,    "CertificateStatus"},
138         {SSL3_MT_SERVER_DONE,           "ServerHelloDone"},
139         {SSL3_MT_CERTIFICATE_VERIFY,    "CertificateVerify"},
140         {SSL3_MT_CLIENT_KEY_EXCHANGE,   "ClientKeyExchange"},
141         {SSL3_MT_FINISHED,              "Finished"},
142         {SSL3_MT_CERTIFICATE_STATUS,    "CertificateStatus"}
143 };
144 /* Cipher suites */
145 static ssl_trace_tbl ssl_ciphers_tbl[] = {
146         {0x0000, "SSL_NULL_WITH_NULL_NULL"},
147         {0x0001, "SSL_RSA_WITH_NULL_MD5"},
148         {0x0002, "SSL_RSA_WITH_NULL_SHA"},
149         {0x0003, "SSL_RSA_EXPORT_WITH_RC4_40_MD5"},
150         {0x0004, "SSL_RSA_WITH_RC4_128_MD5"},
151         {0x0005, "SSL_RSA_WITH_RC4_128_SHA"},
152         {0x0006, "SSL_RSA_EXPORT_WITH_RC2_CBC_40_MD5"},
153         {0x0007, "SSL_RSA_WITH_IDEA_CBC_SHA"},
154         {0x0008, "SSL_RSA_EXPORT_WITH_DES40_CBC_SHA"},
155         {0x0009, "SSL_RSA_WITH_DES_CBC_SHA"},
156         {0x000A, "SSL_RSA_WITH_3DES_EDE_CBC_SHA"},
157         {0x000B, "SSL_DH_DSS_EXPORT_WITH_DES40_CBC_SHA"},
158         {0x000C, "SSL_DH_DSS_WITH_DES_CBC_SHA"},
159         {0x000D, "SSL_DH_DSS_WITH_3DES_EDE_CBC_SHA"},
160         {0x000E, "SSL_DH_RSA_EXPORT_WITH_DES40_CBC_SHA"},
161         {0x000F, "SSL_DH_RSA_WITH_DES_CBC_SHA"},
162         {0x0010, "SSL_DH_RSA_WITH_3DES_EDE_CBC_SHA"},
163         {0x0011, "SSL_DHE_DSS_EXPORT_WITH_DES40_CBC_SHA"},
164         {0x0012, "SSL_DHE_DSS_WITH_DES_CBC_SHA"},
165         {0x0013, "SSL_DHE_DSS_WITH_3DES_EDE_CBC_SHA"},
166         {0x0014, "SSL_DHE_RSA_EXPORT_WITH_DES40_CBC_SHA"},
167         {0x0015, "SSL_DHE_RSA_WITH_DES_CBC_SHA"},
168         {0x0016, "SSL_DHE_RSA_WITH_3DES_EDE_CBC_SHA"},
169         {0x0017, "SSL_DH_anon_EXPORT_WITH_RC4_40_MD5"},
170         {0x0018, "SSL_DH_anon_WITH_RC4_128_MD5"},
171         {0x0019, "SSL_DH_anon_EXPORT_WITH_DES40_CBC_SHA"},
172         {0x001A, "SSL_DH_anon_WITH_DES_CBC_SHA"},
173         {0x001B, "SSL_DH_anon_WITH_3DES_EDE_CBC_SHA"},
174         {0x001D, "SSL_FORTEZZA_KEA_WITH_FORTEZZA_CBC_SHA"},
175         {0x001E, "SSL_FORTEZZA_KEA_WITH_RC4_128_SHA"},
176         {0x001F, "TLS_KRB5_WITH_3DES_EDE_CBC_SHA"},
177         {0x0020, "TLS_KRB5_WITH_RC4_128_SHA"},
178         {0x0021, "TLS_KRB5_WITH_IDEA_CBC_SHA"},
179         {0x0022, "TLS_KRB5_WITH_DES_CBC_MD5"},
180         {0x0023, "TLS_KRB5_WITH_3DES_EDE_CBC_MD5"},
181         {0x0024, "TLS_KRB5_WITH_RC4_128_MD5"},
182         {0x0025, "TLS_KRB5_WITH_IDEA_CBC_MD5"},
183         {0x0026, "TLS_KRB5_EXPORT_WITH_DES_CBC_40_SHA"},
184         {0x0027, "TLS_KRB5_EXPORT_WITH_RC2_CBC_40_SHA"},
185         {0x0028, "TLS_KRB5_EXPORT_WITH_RC4_40_SHA"},
186         {0x0029, "TLS_KRB5_EXPORT_WITH_DES_CBC_40_MD5"},
187         {0x002A, "TLS_KRB5_EXPORT_WITH_RC2_CBC_40_MD5"},
188         {0x002B, "TLS_KRB5_EXPORT_WITH_RC4_40_MD5"},
189         {0x002F, "TLS_RSA_WITH_AES_128_CBC_SHA"},
190         {0x0030, "TLS_DH_DSS_WITH_AES_128_CBC_SHA"},
191         {0x0031, "TLS_DH_RSA_WITH_AES_128_CBC_SHA"},
192         {0x0032, "TLS_DHE_DSS_WITH_AES_128_CBC_SHA"},
193         {0x0033, "TLS_DHE_RSA_WITH_AES_128_CBC_SHA"},
194         {0x0034, "TLS_DH_anon_WITH_AES_128_CBC_SHA"},
195         {0x0035, "TLS_RSA_WITH_AES_256_CBC_SHA"},
196         {0x0036, "TLS_DH_DSS_WITH_AES_256_CBC_SHA"},
197         {0x0037, "TLS_DH_RSA_WITH_AES_256_CBC_SHA"},
198         {0x0038, "TLS_DHE_DSS_WITH_AES_256_CBC_SHA"},
199         {0x0039, "TLS_DHE_RSA_WITH_AES_256_CBC_SHA"},
200         {0x003A, "TLS_DH_anon_WITH_AES_256_CBC_SHA"},
201         {0x003B, "TLS_RSA_WITH_NULL_SHA256"},
202         {0x003C, "TLS_RSA_WITH_AES_128_CBC_SHA256"},
203         {0x003D, "TLS_RSA_WITH_AES_256_CBC_SHA256"},
204         {0x003E, "TLS_DH_DSS_WITH_AES_128_CBC_SHA256"},
205         {0x003F, "TLS_DH_RSA_WITH_AES_128_CBC_SHA256"},
206         {0x0040, "TLS_DHE_DSS_WITH_AES_128_CBC_SHA256"},
207         {0x0041, "TLS_RSA_WITH_CAMELLIA_128_CBC_SHA"},
208         {0x0042, "TLS_DH_DSS_WITH_CAMELLIA_128_CBC_SHA"},
209         {0x0043, "TLS_DH_RSA_WITH_CAMELLIA_128_CBC_SHA"},
210         {0x0044, "TLS_DHE_DSS_WITH_CAMELLIA_128_CBC_SHA"},
211         {0x0045, "TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA"},
212         {0x0046, "TLS_DH_anon_WITH_CAMELLIA_128_CBC_SHA"},
213         {0x0067, "TLS_DHE_RSA_WITH_AES_128_CBC_SHA256"},
214         {0x0068, "TLS_DH_DSS_WITH_AES_256_CBC_SHA256"},
215         {0x0069, "TLS_DH_RSA_WITH_AES_256_CBC_SHA256"},
216         {0x006A, "TLS_DHE_DSS_WITH_AES_256_CBC_SHA256"},
217         {0x006B, "TLS_DHE_RSA_WITH_AES_256_CBC_SHA256"},
218         {0x006C, "TLS_DH_anon_WITH_AES_128_CBC_SHA256"},
219         {0x006D, "TLS_DH_anon_WITH_AES_256_CBC_SHA256"},
220         {0x0084, "TLS_RSA_WITH_CAMELLIA_256_CBC_SHA"},
221         {0x0085, "TLS_DH_DSS_WITH_CAMELLIA_256_CBC_SHA"},
222         {0x0086, "TLS_DH_RSA_WITH_CAMELLIA_256_CBC_SHA"},
223         {0x0087, "TLS_DHE_DSS_WITH_CAMELLIA_256_CBC_SHA"},
224         {0x0088, "TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA"},
225         {0x0089, "TLS_DH_anon_WITH_CAMELLIA_256_CBC_SHA"},
226         {0x008A, "TLS_PSK_WITH_RC4_128_SHA"},
227         {0x008B, "TLS_PSK_WITH_3DES_EDE_CBC_SHA"},
228         {0x008C, "TLS_PSK_WITH_AES_128_CBC_SHA"},
229         {0x008D, "TLS_PSK_WITH_AES_256_CBC_SHA"},
230         {0x008E, "TLS_DHE_PSK_WITH_RC4_128_SHA"},
231         {0x008F, "TLS_DHE_PSK_WITH_3DES_EDE_CBC_SHA"},
232         {0x0090, "TLS_DHE_PSK_WITH_AES_128_CBC_SHA"},
233         {0x0091, "TLS_DHE_PSK_WITH_AES_256_CBC_SHA"},
234         {0x0092, "TLS_RSA_PSK_WITH_RC4_128_SHA"},
235         {0x0093, "TLS_RSA_PSK_WITH_3DES_EDE_CBC_SHA"},
236         {0x0094, "TLS_RSA_PSK_WITH_AES_128_CBC_SHA"},
237         {0x0095, "TLS_RSA_PSK_WITH_AES_256_CBC_SHA"},
238         {0x0096, "TLS_RSA_WITH_SEED_CBC_SHA"},
239         {0x0097, "TLS_DH_DSS_WITH_SEED_CBC_SHA"},
240         {0x0098, "TLS_DH_RSA_WITH_SEED_CBC_SHA"},
241         {0x0099, "TLS_DHE_DSS_WITH_SEED_CBC_SHA"},
242         {0x009A, "TLS_DHE_RSA_WITH_SEED_CBC_SHA"},
243         {0x009B, "TLS_DH_anon_WITH_SEED_CBC_SHA"},
244         {0x009C, "TLS_RSA_WITH_AES_128_GCM_SHA256"},
245         {0x009D, "TLS_RSA_WITH_AES_256_GCM_SHA384"},
246         {0x009E, "TLS_DHE_RSA_WITH_AES_128_GCM_SHA256"},
247         {0x009F, "TLS_DHE_RSA_WITH_AES_256_GCM_SHA384"},
248         {0x00A0, "TLS_DH_RSA_WITH_AES_128_GCM_SHA256"},
249         {0x00A1, "TLS_DH_RSA_WITH_AES_256_GCM_SHA384"},
250         {0x00A2, "TLS_DHE_DSS_WITH_AES_128_GCM_SHA256"},
251         {0x00A3, "TLS_DHE_DSS_WITH_AES_256_GCM_SHA384"},
252         {0x00A4, "TLS_DH_DSS_WITH_AES_128_GCM_SHA256"},
253         {0x00A5, "TLS_DH_DSS_WITH_AES_256_GCM_SHA384"},
254         {0x00A6, "TLS_DH_anon_WITH_AES_128_GCM_SHA256"},
255         {0x00A7, "TLS_DH_anon_WITH_AES_256_GCM_SHA384"},
256         {0x00A8, "TLS_PSK_WITH_AES_128_GCM_SHA256"},
257         {0x00A9, "TLS_PSK_WITH_AES_256_GCM_SHA384"},
258         {0x00AA, "TLS_DHE_PSK_WITH_AES_128_GCM_SHA256"},
259         {0x00AB, "TLS_DHE_PSK_WITH_AES_256_GCM_SHA384"},
260         {0x00AC, "TLS_RSA_PSK_WITH_AES_128_GCM_SHA256"},
261         {0x00AD, "TLS_RSA_PSK_WITH_AES_256_GCM_SHA384"},
262         {0x00AE, "TLS_PSK_WITH_AES_128_CBC_SHA256"},
263         {0x00AF, "TLS_PSK_WITH_AES_256_CBC_SHA384"},
264         {0x00B0, "TLS_PSK_WITH_NULL_SHA256"},
265         {0x00B1, "TLS_PSK_WITH_NULL_SHA384"},
266         {0x00B2, "TLS_DHE_PSK_WITH_AES_128_CBC_SHA256"},
267         {0x00B3, "TLS_DHE_PSK_WITH_AES_256_CBC_SHA384"},
268         {0x00B4, "TLS_DHE_PSK_WITH_NULL_SHA256"},
269         {0x00B5, "TLS_DHE_PSK_WITH_NULL_SHA384"},
270         {0x00B6, "TLS_RSA_PSK_WITH_AES_128_CBC_SHA256"},
271         {0x00B7, "TLS_RSA_PSK_WITH_AES_256_CBC_SHA384"},
272         {0x00B8, "TLS_RSA_PSK_WITH_NULL_SHA256"},
273         {0x00B9, "TLS_RSA_PSK_WITH_NULL_SHA384"},
274         {0x00BA, "TLS_RSA_WITH_CAMELLIA_128_CBC_SHA256"},
275         {0x00BB, "TLS_DH_DSS_WITH_CAMELLIA_128_CBC_SHA256"},
276         {0x00BC, "TLS_DH_RSA_WITH_CAMELLIA_128_CBC_SHA256"},
277         {0x00BD, "TLS_DHE_DSS_WITH_CAMELLIA_128_CBC_SHA256"},
278         {0x00BE, "TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA256"},
279         {0x00BF, "TLS_DH_anon_WITH_CAMELLIA_128_CBC_SHA256"},
280         {0x00C0, "TLS_RSA_WITH_CAMELLIA_256_CBC_SHA256"},
281         {0x00C1, "TLS_DH_DSS_WITH_CAMELLIA_256_CBC_SHA256"},
282         {0x00C2, "TLS_DH_RSA_WITH_CAMELLIA_256_CBC_SHA256"},
283         {0x00C3, "TLS_DHE_DSS_WITH_CAMELLIA_256_CBC_SHA256"},
284         {0x00C4, "TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA256"},
285         {0x00C5, "TLS_DH_anon_WITH_CAMELLIA_256_CBC_SHA256"},
286         {0x00FF, "TLS_EMPTY_RENEGOTIATION_INFO_SCSV"},
287         {0xC001, "TLS_ECDH_ECDSA_WITH_NULL_SHA"},
288         {0xC002, "TLS_ECDH_ECDSA_WITH_RC4_128_SHA"},
289         {0xC003, "TLS_ECDH_ECDSA_WITH_3DES_EDE_CBC_SHA"},
290         {0xC004, "TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA"},
291         {0xC005, "TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA"},
292         {0xC006, "TLS_ECDHE_ECDSA_WITH_NULL_SHA"},
293         {0xC007, "TLS_ECDHE_ECDSA_WITH_RC4_128_SHA"},
294         {0xC008, "TLS_ECDHE_ECDSA_WITH_3DES_EDE_CBC_SHA"},
295         {0xC009, "TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA"},
296         {0xC00A, "TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA"},
297         {0xC00B, "TLS_ECDH_RSA_WITH_NULL_SHA"},
298         {0xC00C, "TLS_ECDH_RSA_WITH_RC4_128_SHA"},
299         {0xC00D, "TLS_ECDH_RSA_WITH_3DES_EDE_CBC_SHA"},
300         {0xC00E, "TLS_ECDH_RSA_WITH_AES_128_CBC_SHA"},
301         {0xC00F, "TLS_ECDH_RSA_WITH_AES_256_CBC_SHA"},
302         {0xC010, "TLS_ECDHE_RSA_WITH_NULL_SHA"},
303         {0xC011, "TLS_ECDHE_RSA_WITH_RC4_128_SHA"},
304         {0xC012, "TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA"},
305         {0xC013, "TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA"},
306         {0xC014, "TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA"},
307         {0xC015, "TLS_ECDH_anon_WITH_NULL_SHA"},
308         {0xC016, "TLS_ECDH_anon_WITH_RC4_128_SHA"},
309         {0xC017, "TLS_ECDH_anon_WITH_3DES_EDE_CBC_SHA"},
310         {0xC018, "TLS_ECDH_anon_WITH_AES_128_CBC_SHA"},
311         {0xC019, "TLS_ECDH_anon_WITH_AES_256_CBC_SHA"},
312         {0xC01A, "TLS_SRP_SHA_WITH_3DES_EDE_CBC_SHA"},
313         {0xC01B, "TLS_SRP_SHA_RSA_WITH_3DES_EDE_CBC_SHA"},
314         {0xC01C, "TLS_SRP_SHA_DSS_WITH_3DES_EDE_CBC_SHA"},
315         {0xC01D, "TLS_SRP_SHA_WITH_AES_128_CBC_SHA"},
316         {0xC01E, "TLS_SRP_SHA_RSA_WITH_AES_128_CBC_SHA"},
317         {0xC01F, "TLS_SRP_SHA_DSS_WITH_AES_128_CBC_SHA"},
318         {0xC020, "TLS_SRP_SHA_WITH_AES_256_CBC_SHA"},
319         {0xC021, "TLS_SRP_SHA_RSA_WITH_AES_256_CBC_SHA"},
320         {0xC022, "TLS_SRP_SHA_DSS_WITH_AES_256_CBC_SHA"},
321         {0xC023, "TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256"},
322         {0xC024, "TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384"},
323         {0xC025, "TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA256"},
324         {0xC026, "TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA384"},
325         {0xC027, "TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256"},
326         {0xC028, "TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384"},
327         {0xC029, "TLS_ECDH_RSA_WITH_AES_128_CBC_SHA256"},
328         {0xC02A, "TLS_ECDH_RSA_WITH_AES_256_CBC_SHA384"},
329         {0xC02B, "TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256"},
330         {0xC02C, "TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384"},
331         {0xC02D, "TLS_ECDH_ECDSA_WITH_AES_128_GCM_SHA256"},
332         {0xC02E, "TLS_ECDH_ECDSA_WITH_AES_256_GCM_SHA384"},
333         {0xC02F, "TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256"},
334         {0xC030, "TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384"},
335         {0xC031, "TLS_ECDH_RSA_WITH_AES_128_GCM_SHA256"},
336         {0xC032, "TLS_ECDH_RSA_WITH_AES_256_GCM_SHA384"},
337         {0xFEFE, "SSL_RSA_FIPS_WITH_DES_CBC_SHA"},
338         {0xFEFF, "SSL_RSA_FIPS_WITH_3DES_EDE_CBC_SHA"},
339 };
340 /* Compression methods */
341 static ssl_trace_tbl ssl_comp_tbl[] = {
342         {0x0000, "No Compression"},
343         {0x0001, "Zlib Compression"}
344 };
345 /* Extensions */
346 static ssl_trace_tbl ssl_exts_tbl[] = {
347         {TLSEXT_TYPE_server_name, "server_name"},
348         {TLSEXT_TYPE_max_fragment_length, "max_fragment_length"},
349         {TLSEXT_TYPE_client_certificate_url, "client_certificate_url"},
350         {TLSEXT_TYPE_trusted_ca_keys, "trusted_ca_keys"},
351         {TLSEXT_TYPE_truncated_hmac, "truncated_hmac"},
352         {TLSEXT_TYPE_status_request, "status_request"},
353         {TLSEXT_TYPE_user_mapping, "user_mapping"},
354         {TLSEXT_TYPE_client_authz, "client_authz"},
355         {TLSEXT_TYPE_server_authz, "server_authz"},
356         {TLSEXT_TYPE_cert_type, "cert_type"},
357         {TLSEXT_TYPE_elliptic_curves, "elliptic_curves"},
358         {TLSEXT_TYPE_ec_point_formats, "ec_point_formats"},
359         {TLSEXT_TYPE_srp, "srp"},
360         {TLSEXT_TYPE_signature_algorithms, "signature_algorithms"},
361         {TLSEXT_TYPE_use_srtp, "use_srtp"},
362         {TLSEXT_TYPE_heartbeat, "heartbeat"},
363         {TLSEXT_TYPE_session_ticket, "session_ticket"},
364 #ifdef TLSEXT_TYPE_opaque_prf_input
365         {TLSEXT_TYPE_opaque_prf_input, "opaque_prf_input"},
366 #endif
367         {TLSEXT_TYPE_renegotiate, "renegotiate"},
368         {TLSEXT_TYPE_next_proto_neg, "next_proto_neg"}
369 };
370
371 static ssl_trace_tbl ssl_curve_tbl[] = {
372         {1, "sect163k1 (K-163)"},
373         {2, "sect163r1"},
374         {3, "sect163r2 (B-163)"},
375         {4, "sect193r1"},
376         {5, "sect193r2"},
377         {6, "sect233k1 (K-233)"},
378         {7, "sect233r1 (B-233)"},
379         {8, "sect239k1"},
380         {9, "sect283k1 (K-283)"},
381         {10, "sect283r1 (B-283)"},
382         {11, "sect409k1 (K-409)"},
383         {12, "sect409r1 (B-409)"},
384         {13, "sect571k1 (K-571)"},
385         {14, "sect571r1 (B-571)"},
386         {15, "secp160k1"},
387         {16, "secp160r1"},
388         {17, "secp160r2"},
389         {18, "secp192k1"},
390         {19, "secp192r1 (P-192)"},
391         {20, "secp224k1"},
392         {21, "secp224r1 (P-224)"},
393         {22, "secp256k1"},
394         {23, "secp256r1 (P-256)"},
395         {24, "secp384r1 (P-384)"},
396         {25, "secp521r1 (P-521)"},
397         {26, "brainpoolP256r1"},
398         {27, "brainpoolP384r1"},
399         {28, "brainpoolP512r1"},
400         {0xFF01, "arbitrary_explicit_prime_curves"},
401         {0xFF02, "arbitrary_explicit_char2_curves"}
402 };
403
404 static ssl_trace_tbl ssl_point_tbl[] = {
405         {0, "uncompressed"},
406         {1, "ansiX962_compressed_prime"},
407         {2, "ansiX962_compressed_char2"}
408 };
409
410 static ssl_trace_tbl ssl_md_tbl[] = {
411         {0, "none"},
412         {1, "md5"},
413         {2, "sha1"},
414         {3, "sha224"},
415         {4, "sha256"},
416         {5, "sha384"},
417         {6, "sha512"}
418 };
419
420 static ssl_trace_tbl ssl_sig_tbl[] = {
421         {0, "anonymous"},
422         {1, "rsa"},
423         {2, "dsa"},
424         {3, "ecdsa"}
425 };
426
427 static ssl_trace_tbl ssl_hb_tbl[] = {
428         {1, "peer_allowed_to_send"},
429         {2, "peer_not_allowed_to_send"}
430 };
431
432 static ssl_trace_tbl ssl_hb_type_tbl[] = {
433         {1, "heartbeat_request"},
434         {2, "heartbeat_response"}
435 };
436
437 static ssl_trace_tbl ssl_ctype_tbl[] = {
438         {1, "rsa_sign"},
439         {2, "dss_sign"},
440         {3, "rsa_fixed_dh"},
441         {4, "dss_fixed_dh"},
442         {5, "rsa_ephemeral_dh"},
443         {6, "dss_ephemeral_dh"},
444         {20, "fortezza_dms"},
445         {64, "ecdsa_sign"},
446         {65, "rsa_fixed_ecdh"},
447         {66, "ecdsa_fixed_ecdh"}
448 };
449
450 static ssl_trace_tbl ssl_crypto_tbl[] = {
451         {TLS1_RT_CRYPTO_PREMASTER,      "Premaster Secret"},
452         {TLS1_RT_CRYPTO_CLIENT_RANDOM,  "Client Random"},
453         {TLS1_RT_CRYPTO_SERVER_RANDOM,  "Server Random"},
454         {TLS1_RT_CRYPTO_MASTER,         "Master Secret"},
455         {TLS1_RT_CRYPTO_MAC|TLS1_RT_CRYPTO_WRITE,       "Write Mac Secret"},
456         {TLS1_RT_CRYPTO_MAC|TLS1_RT_CRYPTO_READ,        "Read Mac Secret"},
457         {TLS1_RT_CRYPTO_KEY|TLS1_RT_CRYPTO_WRITE,       "Write Key"},
458         {TLS1_RT_CRYPTO_KEY|TLS1_RT_CRYPTO_READ,        "Read Key"},
459         {TLS1_RT_CRYPTO_IV|TLS1_RT_CRYPTO_WRITE,        "Write IV"},
460         {TLS1_RT_CRYPTO_IV|TLS1_RT_CRYPTO_READ,         "Read IV"},
461         {TLS1_RT_CRYPTO_FIXED_IV|TLS1_RT_CRYPTO_WRITE,  "Write IV (fixed part)"},
462         {TLS1_RT_CRYPTO_FIXED_IV|TLS1_RT_CRYPTO_READ,   "Read IV (fixed part)"}
463 };
464
465 static void ssl_print_hex(BIO *bio, int indent, const char *name,
466                                 const unsigned char *msg, size_t msglen)
467         {
468         size_t i;
469         BIO_indent(bio, indent, 80);
470         BIO_printf(bio, "%s (len=%d): ", name, (int)msglen);
471         for (i = 0; i < msglen; i++)
472                 BIO_printf(bio, "%02X", msg[i]);
473         BIO_puts(bio, "\n");
474         }
475
476 static int ssl_print_hexbuf(BIO *bio, int indent,
477                                 const char *name, size_t nlen,
478                                 const unsigned char **pmsg, size_t *pmsglen)
479         {
480         size_t blen;
481         const unsigned char *p = *pmsg;
482         if (*pmsglen < nlen)
483                 return 0;
484         blen = p[0];
485         if (nlen > 1)
486                 blen = (blen << 8)|p[1];
487         if (*pmsglen < nlen + blen)
488                 return 0;
489         p += nlen;
490         ssl_print_hex(bio, indent, name, p, blen);
491         *pmsg += blen + nlen;
492         *pmsglen -= blen + nlen;
493         return 1;
494         }
495
496         
497
498 static int ssl_print_version(BIO *bio, int indent, const char *name,
499                                 const unsigned char **pmsg, size_t *pmsglen)
500         {
501         int vers;
502         if (*pmsglen < 2)
503                 return 0;
504         vers = ((*pmsg)[0] << 8) | (*pmsg)[1];
505         BIO_indent(bio, indent, 80);
506         BIO_printf(bio, "%s=0x%x (%s)\n",
507                                 name, vers,
508                                 ssl_trace_str(vers, ssl_version_tbl));
509         *pmsg += 2;
510         *pmsglen -= 2;
511         return 1;
512         }
513
514 static int ssl_print_random(BIO *bio, int indent,
515                                 const unsigned char **pmsg, size_t *pmsglen)
516         {
517         unsigned int tm;
518         const unsigned char *p = *pmsg;
519         if (*pmsglen < 32)
520                 return 0;
521         tm = (p[0] << 24) | (p[1] << 16) | (p[2] << 8) | p[3];
522         p += 4;
523         BIO_indent(bio, indent, 80);
524         BIO_puts(bio, "Random:\n");
525         BIO_indent(bio, indent + 2, 80);
526         BIO_printf(bio, "gmt_unix_time=0x%08X\n", tm);
527         ssl_print_hex(bio, indent + 2, "random_bytes", p, 28);
528         *pmsg += 32;
529         *pmsglen -= 32;
530         return 1;
531         }
532
533 static int ssl_print_signature(BIO *bio, int indent, SSL *s,
534                                 const unsigned char **pmsg, size_t *pmsglen)
535         {
536         if (*pmsglen < 2)
537                 return 0;
538         if (SSL_USE_SIGALGS(s))
539                 {
540                 const unsigned char *p = *pmsg;
541                 BIO_indent(bio, indent, 80);
542                 BIO_printf(bio, "Signature Algorithm %s+%s (%d+%d)\n",
543                                 ssl_trace_str(p[0], ssl_md_tbl),
544                                 ssl_trace_str(p[1], ssl_sig_tbl),
545                                 p[0], p[1]);
546                 *pmsg += 2;
547                 *pmsglen -= 2;
548                 }
549         return ssl_print_hexbuf(bio, indent, "Signature", 2, pmsg, pmsglen);
550         }
551
552 static int ssl_print_extension(BIO *bio, int indent, int server, int extype,
553                                 const unsigned char *ext, size_t extlen)
554         {
555         size_t xlen;
556         BIO_indent(bio, indent, 80);
557         BIO_printf(bio, "extension_type=%s(%d), length=%d\n",
558                                 ssl_trace_str(extype, ssl_exts_tbl),
559                                 extype, (int)extlen);
560         switch(extype)
561                 {
562         case TLSEXT_TYPE_ec_point_formats:
563                 if (extlen < 1)
564                         return 0;
565                 xlen = ext[0];
566                 if (extlen != xlen + 1)
567                         return 0;
568                 return ssl_trace_list(bio, indent + 2,
569                                         ext + 1, xlen, 1, ssl_point_tbl);
570
571         case TLSEXT_TYPE_elliptic_curves:
572                 if (extlen < 2)
573                         return 0;
574                 xlen = (ext[0] << 8) | ext[1];
575                 if (extlen != xlen + 2)
576                         return 0;
577                 return ssl_trace_list(bio, indent + 2,
578                                         ext + 2, xlen, 2, ssl_curve_tbl);
579
580         case TLSEXT_TYPE_signature_algorithms:
581
582                 if (extlen < 2)
583                         return 0;
584                 xlen = (ext[0] << 8) | ext[1];
585                 if (extlen != xlen + 2)
586                         return 0;
587                 if (xlen & 1)
588                         return 0;
589                 ext += 2;
590                 while(xlen > 0)
591                         {
592                         BIO_indent(bio, indent + 2, 80);
593                         BIO_printf(bio, "%s+%s (%d+%d)\n",
594                                 ssl_trace_str(ext[0], ssl_md_tbl),
595                                 ssl_trace_str(ext[1], ssl_sig_tbl),
596                                 ext[0], ext[1]);
597                         xlen-= 2;
598                         ext+= 2;
599                         }
600                 break;
601         
602         case TLSEXT_TYPE_renegotiate:
603                 if (extlen < 1)
604                         return 0;
605                 xlen = ext[0];
606                 if (xlen + 1 != extlen)
607                         return 0;
608                 ext++;
609                 if (xlen)
610                         {
611                         if (server)
612                                 {
613                                 if (xlen & 1)
614                                         return 0;
615                                 xlen >>= 1;
616                                 }
617                         ssl_print_hex(bio, indent + 4, "client_verify_data",
618                                                                 ext, xlen);
619                         if (server)
620                                 {
621                                 ext += xlen;
622                                 ssl_print_hex(bio, indent + 4,
623                                                         "server_verify_data",
624                                                         ext, xlen);
625                                 }
626                         }
627                 else
628                         {
629                         BIO_indent(bio, indent + 4, 80);
630                         BIO_puts(bio, "<EMPTY>\n");
631                         }
632                 break;
633
634         case TLSEXT_TYPE_heartbeat:
635                 if (extlen != 1)
636                         return 0;
637                 BIO_indent(bio, indent + 2, 80);
638                 BIO_printf(bio, "HeartbeatMode: %s\n",
639                                 ssl_trace_str(ext[0], ssl_hb_tbl));
640                 break;
641
642                 case TLSEXT_TYPE_session_ticket:
643                 if (extlen != 0)
644                         ssl_print_hex(bio, indent + 4, "ticket", ext, extlen);
645                 break;
646
647         default:
648                 BIO_dump_indent(bio, (char *)ext, extlen, indent + 2);
649                 }
650         return 1;
651         }
652
653 static int ssl_print_extensions(BIO *bio, int indent, int server,
654                                 const unsigned char *msg, size_t msglen)
655         {
656         size_t extslen;
657         BIO_indent(bio, indent, 80);
658         if (msglen == 0)
659                 {
660                 BIO_puts(bio, "No Extensions\n");
661                 return 1;
662                 }
663         extslen = (msg[0] << 8) | msg[1];
664         if (extslen != msglen - 2)
665                 return 0;
666         msg += 2;
667         msglen = extslen;
668         BIO_printf(bio, "extensions, length = %d\n", (int)msglen);
669         while (msglen > 0)
670                 {
671                 int extype;
672                 size_t extlen;
673                 if (msglen < 4)
674                         return 0;
675                 extype = (msg[0] << 8) | msg[1];
676                 extlen = (msg[2] << 8) | msg[3];
677                 if (msglen < extlen + 4)
678                         return 0;
679                 msg += 4;
680                 if (!ssl_print_extension(bio, indent + 2, server,
681                                                         extype, msg, extlen))
682                         return 0;
683                 msg += extlen;
684                 msglen -= extlen + 4;
685                 }
686         return 1;
687         }
688
689 static int ssl_print_client_hello(BIO *bio, SSL *ssl, int indent,
690                                 const unsigned char *msg, size_t msglen)
691         {
692         size_t len;
693         unsigned int cs;
694         if (!ssl_print_version(bio, indent, "client_version", &msg, &msglen))
695                 return 0;
696         if (!ssl_print_random(bio, indent, &msg, &msglen))
697                 return 0;
698         if (!ssl_print_hexbuf(bio, indent, "session_id", 1, &msg, &msglen))
699                 return 0;
700         if (SSL_IS_DTLS(ssl))
701                 {
702                 if (!ssl_print_hexbuf(bio, indent, "cookie", 1, &msg, &msglen))
703                         return 0;
704                 }
705         if (msglen < 2)
706                 return 0;
707         len = (msg[0] << 8) | msg[1];
708         msg += 2;
709         msglen -= 2;
710         BIO_indent(bio, indent, 80);
711         BIO_printf(bio, "cipher_suites (len=%d)\n", (int)len);
712         if (msglen < len || len & 1)
713                 return 0;
714         while(len > 0)
715                 {
716                 cs = (msg[0] << 8) | msg[1];
717                 BIO_indent(bio, indent + 2, 80);
718                 BIO_printf(bio, "{0x%02X, 0x%02X} %s\n",
719                                 msg[0], msg[1],
720                                 ssl_trace_str(cs, ssl_ciphers_tbl));
721                 msg += 2;
722                 msglen -= 2;
723                 len -= 2;
724                 }
725         if (msglen < 1)
726                 return 0;
727         len = msg[0];
728         msg++;
729         msglen--;
730         if (msglen < len)
731                 return 0;
732         BIO_indent(bio, indent, 80);
733         BIO_printf(bio, "compression_methods (len=%d)\n", (int)len);
734         while(len > 0)
735                 {
736                 BIO_indent(bio, indent + 2, 80);
737                 BIO_printf(bio, "%s (0x%02X)\n",
738                                 ssl_trace_str(msg[0], ssl_comp_tbl),
739                                 msg[0]);
740                 msg++;
741                 msglen--;
742                 len--;
743                 }
744         if (!ssl_print_extensions(bio, indent, 0, msg, msglen))
745                 return 0;
746         return 1;
747         }
748
749 static int dtls_print_hello_vfyrequest(BIO *bio, int indent,
750                                 const unsigned char *msg, size_t msglen)
751         {
752         if (!ssl_print_version(bio, indent, "server_version", &msg, &msglen))
753                 return 0;
754         if (!ssl_print_hexbuf(bio, indent, "cookie", 1, &msg, &msglen))
755                 return 0;
756         return 1;
757         }
758
759 static int ssl_print_server_hello(BIO *bio, int indent,
760                                 const unsigned char *msg, size_t msglen)
761         {
762         unsigned int cs;
763         if (!ssl_print_version(bio, indent, "server_version", &msg, &msglen))
764                 return 0;
765         if (!ssl_print_random(bio, indent, &msg, &msglen))
766                 return 0;
767         if (!ssl_print_hexbuf(bio, indent, "session_id", 1, &msg, &msglen))
768                 return 0;
769         if (msglen < 2)
770                 return 0;
771         cs = (msg[0] << 8) | msg[1];
772         BIO_indent(bio, indent, 80);
773         BIO_printf(bio, "cipher_suite {0x%02X, 0x%02X} %s\n",
774                                 msg[0], msg[1],
775                                 ssl_trace_str(cs, ssl_ciphers_tbl));
776         msg += 2;
777         msglen -= 2;
778         if (msglen < 1)
779                 return 0;
780         BIO_indent(bio, indent, 80);
781         BIO_printf(bio, "compression_method: %s (0x%02X)\n",
782                         ssl_trace_str(msg[0], ssl_comp_tbl), msg[0]);
783         msg++;
784         msglen--;
785         if (!ssl_print_extensions(bio, indent, 1, msg, msglen))
786                 return 0;
787         return 1;
788         }
789
790 static int ssl_get_keyex(const char **pname, SSL *ssl)
791         {
792         unsigned long alg_k = ssl->s3->tmp.new_cipher->algorithm_mkey;
793         if (alg_k & SSL_kRSA)
794                 {
795                 *pname = "rsa";
796                 return SSL_kRSA;
797                 }
798         if (alg_k & SSL_kDHr)
799                 {
800                 *pname = "dh_rsa";
801                 return SSL_kDHr;
802                 }
803         if (alg_k & SSL_kDHd)
804                 {
805                 *pname = "dh_dss";
806                 return SSL_kDHd;
807                 }
808         if (alg_k & SSL_kKRB5)
809                 {
810                 *pname = "krb5";
811                 return SSL_kKRB5;
812                 }
813         if (alg_k & SSL_kDHE)
814                 {
815                 *pname = "DHE";
816                 return SSL_kDHE;
817                 }
818         if (alg_k & SSL_kECDHE)
819                 {
820                 *pname = "ECDHE";
821                 return SSL_kECDHE;
822                 }
823         if (alg_k & SSL_kECDHr)
824                 {
825                 *pname = "ECDH RSA";
826                 return SSL_kECDHr;
827                 }
828         if (alg_k & SSL_kECDHe)
829                 {
830                 *pname = "ECDH ECDSA";
831                 return SSL_kECDHe;
832                 }
833         if (alg_k & SSL_kPSK)
834                 {
835                 *pname = "PSK";
836                 return SSL_kPSK;
837                 }
838         if (alg_k & SSL_kSRP)
839                 {
840                 *pname = "SRP";
841                 return SSL_kSRP;
842                 }
843         if (alg_k & SSL_kGOST)
844                 {
845                 *pname = "GOST";
846                 return SSL_kGOST;
847                 }
848         *pname = "UNKNOWN";
849         return 0;
850         }
851
852 static int ssl_print_client_keyex(BIO *bio, int indent, SSL *ssl,
853                                 const unsigned char *msg, size_t msglen)
854         {
855         const char *algname;
856         int id;
857         id = ssl_get_keyex(&algname, ssl);
858         BIO_indent(bio, indent, 80);
859         BIO_printf(bio, "KeyExchangeAlgorithm=%s\n", algname);
860         switch(id)
861                 {
862
863         case SSL_kRSA:
864                 if (TLS1_get_version(ssl) == SSL3_VERSION)
865                         {
866                         ssl_print_hex(bio, indent + 2,
867                                                 "EncyptedPreMasterSecret",
868                                                 msg, msglen);
869                         }
870                 else
871                         {
872                         if (!ssl_print_hexbuf(bio, indent + 2,
873                                                 "EncyptedPreMasterSecret", 2,
874                                                 &msg, &msglen))
875                                 return 0;
876                         }
877                 break;
878
879                 /* Implicit parameters only allowed for static DH */
880         case SSL_kDHd:
881         case SSL_kDHr:
882                 if (msglen == 0)
883                         {
884                         BIO_indent(bio, indent + 2, 80);
885                         BIO_puts(bio, "implicit\n");
886                         break;
887                         }
888         case SSL_kDHE:
889                 if (!ssl_print_hexbuf(bio, indent + 2, "dh_Yc", 2,
890                                                                 &msg, &msglen))
891                         return 0;
892                 break;
893
894         case SSL_kECDHr:
895         case SSL_kECDHe:
896                 if (msglen == 0)
897                         {
898                         BIO_indent(bio, indent + 2, 80);
899                         BIO_puts(bio, "implicit\n");
900                         break;
901                         }
902         case SSL_kECDHE:
903                 if (!ssl_print_hexbuf(bio, indent + 2, "ecdh_Yc", 1,
904                                                         &msg, &msglen))
905                         return 0;
906                 break;
907                 }
908
909         return 1;
910         }
911
912 static int ssl_print_server_keyex(BIO *bio, int indent, SSL *ssl,
913                                 const unsigned char *msg, size_t msglen)
914         {
915         const char *algname;
916         int id;
917         id = ssl_get_keyex(&algname, ssl);
918         BIO_indent(bio, indent, 80);
919         BIO_printf(bio, "KeyExchangeAlgorithm=%s\n", algname);
920         switch(id)
921                 {
922                 /* Should never happen */
923         case SSL_kDHd:
924         case SSL_kDHr:
925         case SSL_kECDHr:
926         case SSL_kECDHe:
927                 BIO_indent(bio, indent + 2, 80);
928                 BIO_printf(bio, "Unexpected Message\n");
929                 break;
930
931         case SSL_kRSA:
932
933                 if (!ssl_print_hexbuf(bio, indent + 2, "rsa_modulus", 2,
934                                                 &msg, &msglen))
935                         return 0;
936                 if (!ssl_print_hexbuf(bio, indent + 2, "rsa_exponent", 2,
937                                                 &msg, &msglen))
938                         return 0;
939                 break;
940
941         case SSL_kDHE:
942                 if (!ssl_print_hexbuf(bio, indent + 2, "dh_p", 2,
943                                                 &msg, &msglen))
944                         return 0;
945                 if (!ssl_print_hexbuf(bio, indent + 2, "dh_g", 2,
946                                                 &msg, &msglen))
947                         return 0;
948                 if (!ssl_print_hexbuf(bio, indent + 2, "dh_Ys", 2,
949                                                 &msg, &msglen))
950                         return 0;
951                 break;
952
953         case SSL_kECDHE:
954                 if (msglen < 1)
955                         return 0;
956                 BIO_indent(bio, indent + 2, 80);
957                 if (msg[0] == EXPLICIT_PRIME_CURVE_TYPE)
958                         BIO_puts(bio, "explicit_prime\n");
959                 else if (msg[0] == EXPLICIT_CHAR2_CURVE_TYPE)
960                         BIO_puts(bio, "explicit_char2\n");
961                 else if (msg[0] == NAMED_CURVE_TYPE)
962                         {
963                         int curve;
964                         if (msglen < 3)
965                                 return 0;
966                         curve = (msg[1] << 8) | msg[2];
967                         BIO_printf(bio, "named_curve: %s (%d)\n",
968                                         ssl_trace_str(curve, ssl_curve_tbl),
969                                         curve);
970                         msg += 3;
971                         msglen -= 3;
972                         if (!ssl_print_hexbuf(bio, indent + 2, "point", 1,
973                                                         &msg, &msglen))
974                                 return 0;
975                         }
976                 break;
977                 }
978         return ssl_print_signature(bio, indent, ssl, &msg, &msglen);
979         }
980
981 static int ssl_print_certificate(BIO *bio, int indent, 
982                                 const unsigned char **pmsg, size_t *pmsglen)
983         {
984         size_t msglen = *pmsglen;
985         size_t clen;
986         X509 *x;
987         const unsigned char *p = *pmsg, *q;
988         if (msglen < 3)
989                 return 0;
990         clen = (p[0] << 16) | (p[1] << 8) | p[2];
991         if (msglen < clen + 3)
992                 return 0;
993         q = p + 3;
994         BIO_indent(bio, indent, 80);
995         BIO_printf(bio, "ASN.1Cert, length=%d", (int)clen);
996         x = d2i_X509(NULL, &q, clen);
997         if (!x)
998                 BIO_puts(bio, "<UNPARSEABLE CERTIFICATE>\n");
999         else
1000                 {
1001                 BIO_puts(bio, "\n------details-----\n");
1002                 X509_print_ex(bio, x, XN_FLAG_ONELINE, 0);
1003                 PEM_write_bio_X509(bio, x);
1004                 /* Print certificate stuff */
1005                 BIO_puts(bio, "------------------\n");
1006                 X509_free(x);
1007                 }
1008         if (q != p + 3 + clen)
1009                 {
1010                 BIO_puts(bio, "<TRAILING GARBAGE AFTER CERTIFICATE>\n");
1011                 }
1012         *pmsg += clen + 3;
1013         *pmsglen -= clen + 3;
1014         return 1;
1015         }
1016
1017 static int ssl_print_certificates(BIO *bio, int indent, 
1018                                 const unsigned char *msg, size_t msglen)
1019         {
1020         size_t clen;
1021         if (msglen < 3)
1022                 return 0;
1023         clen = (msg[0] << 16) | (msg[1] << 8) | msg[2];
1024         if (msglen != clen + 3)
1025                 return 0;
1026         msg += 3;
1027         BIO_indent(bio, indent, 80);
1028         BIO_printf(bio, "certificate_list, length=%d\n", (int)clen);
1029         while (clen > 0)
1030                 {
1031                 if (!ssl_print_certificate(bio, indent + 2, &msg, &clen))
1032                         return 0;
1033                 }
1034         return 1;
1035         }
1036
1037 static int ssl_print_cert_request(BIO *bio, int indent, SSL *s,
1038                                 const unsigned char *msg, size_t msglen)
1039         {
1040         size_t xlen;
1041         if (msglen < 1)
1042                 return 0;
1043         xlen = msg[0];
1044         if (msglen < xlen + 1)
1045                 return 0;
1046         msg++;
1047         BIO_indent(bio, indent, 80);
1048         BIO_printf(bio, "certificate_types (len=%d)\n", (int)xlen);
1049         if (!ssl_trace_list(bio, indent + 2, msg, xlen, 1, ssl_ctype_tbl))
1050                 return 0;
1051         msg += xlen;
1052         msglen -= xlen + 1;
1053         if (!SSL_USE_SIGALGS(s))
1054                 goto skip_sig;
1055         if (msglen < 2)
1056                 return 0;
1057         xlen = (msg[0] << 8) | msg[1];
1058         if (msglen < xlen + 2 || (xlen & 1))
1059                 return 0;
1060         msg += 2;
1061         BIO_indent(bio, indent, 80);
1062         BIO_printf(bio, "signature_algorithms (len=%d)\n", (int)xlen);
1063         while(xlen > 0)
1064                 {
1065                 BIO_indent(bio, indent + 2, 80);
1066                 BIO_printf(bio, "%s+%s (%d+%d)\n",
1067                                 ssl_trace_str(msg[0], ssl_md_tbl),
1068                                 ssl_trace_str(msg[1], ssl_sig_tbl),
1069                                 msg[0], msg[1]);
1070                 xlen -= 2;
1071                 msg += 2;
1072                 }
1073         msg += xlen;
1074         msglen -= xlen + 2;
1075
1076         skip_sig:
1077         xlen = (msg[0] << 8) | msg[1];
1078         BIO_indent(bio, indent, 80);
1079         if (msglen < xlen + 2)
1080                 return 0;
1081         msg += 2;
1082         msglen -= 2;
1083         BIO_printf(bio, "certificate_authorities (len=%d)\n", (int)xlen);
1084         while (xlen > 0)
1085                 {
1086                 size_t dlen;
1087                 X509_NAME *nm;
1088                 const unsigned char *p;
1089                 if (xlen < 2)
1090                         return 0;
1091                 dlen = (msg[0] << 8) | msg[1];
1092                 if (xlen < dlen + 2)
1093                         return 0;
1094                 msg += 2;
1095                 BIO_indent(bio, indent + 2, 80);
1096                 BIO_printf(bio, "DistinguishedName (len=%d): ", (int)dlen);
1097                 p = msg;
1098                 nm = d2i_X509_NAME(NULL, &p, dlen);
1099                 if (!nm)
1100                         {
1101                         BIO_puts(bio, "<UNPARSEABLE DN>\n");
1102                         }
1103                 else
1104                         {
1105                         X509_NAME_print_ex(bio, nm, 0, XN_FLAG_ONELINE);
1106                         BIO_puts(bio, "\n");
1107                         X509_NAME_free(nm);
1108                         }
1109                 xlen -= dlen + 2;
1110                 msg += dlen;
1111                 }
1112         return 1;
1113         }
1114
1115 static int ssl_print_ticket(BIO *bio, int indent,
1116                                 const unsigned char *msg, size_t msglen)
1117         {
1118         unsigned int tick_life;
1119         if (msglen == 0)
1120                 {
1121                 BIO_indent(bio, indent + 2, 80);
1122                 BIO_puts(bio, "No Ticket\n");
1123                 return 1;
1124                 }
1125         if (msglen < 4)
1126                 return 0;
1127         tick_life = (msg[0] << 24) | (msg[1] << 16) | (msg[2] << 8) | msg[3];
1128         msglen -= 4;
1129         msg += 4;       
1130         BIO_indent(bio, indent + 2, 80);
1131         BIO_printf(bio, "ticket_lifetime_hint=%u\n", tick_life);
1132         if (!ssl_print_hexbuf(bio, indent + 2, "ticket", 2, &msg, &msglen))
1133                 return 0;
1134         if (msglen)
1135                 return 0;
1136         return 1;
1137         }
1138
1139
1140 static int ssl_print_handshake(BIO *bio, SSL *ssl,
1141                                 const unsigned char *msg, size_t msglen,
1142                                 int indent)
1143         {
1144         size_t hlen;
1145         unsigned char htype;
1146         if (msglen < 4)
1147                 return 0;
1148         htype = msg[0];
1149         hlen = (msg[1] << 16) | (msg[2] << 8) | msg[3];
1150         BIO_indent(bio, indent, 80);
1151         BIO_printf(bio, "%s, Length=%d\n",
1152                                 ssl_trace_str(htype, ssl_handshake_tbl),
1153                                 (int)hlen);
1154         msg += 4;
1155         msglen -= 4;
1156         if (SSL_IS_DTLS(ssl))
1157                 {
1158                 if (msglen < 8)
1159                         return 0;
1160                 BIO_indent(bio, indent, 80);
1161                 BIO_printf(bio, "message_seq=%d, fragment_offset=%d, "
1162                                 "fragment_length=%d\n",
1163                                 (msg[0] << 8) | msg[1],
1164                                 (msg[2] << 16) | (msg[3] << 8) | msg[4],
1165                                 (msg[5] << 16) | (msg[6] << 8) | msg[7]);
1166                 msg += 8;
1167                 msglen -= 8;
1168                 }
1169         if (msglen < hlen)
1170                 return 0;
1171         switch(htype)
1172                 {
1173         case SSL3_MT_CLIENT_HELLO:
1174                 if (!ssl_print_client_hello(bio, ssl, indent + 2, msg, msglen))
1175                         return 0;
1176                 break;
1177
1178         case DTLS1_MT_HELLO_VERIFY_REQUEST:
1179                 if (!dtls_print_hello_vfyrequest(bio, indent + 2, msg, msglen))
1180                         return 0;
1181                 break;
1182
1183         case SSL3_MT_SERVER_HELLO:
1184                 if (!ssl_print_server_hello(bio, indent + 2, msg, msglen))
1185                         return 0;
1186                 break;
1187
1188         case SSL3_MT_SERVER_KEY_EXCHANGE:
1189                 if (!ssl_print_server_keyex(bio, indent + 2, ssl, msg, msglen))
1190                         return 0;
1191                 break;
1192
1193         case SSL3_MT_CLIENT_KEY_EXCHANGE:
1194                 if (!ssl_print_client_keyex(bio, indent + 2, ssl, msg, msglen))
1195                         return 0;
1196                 break;
1197
1198         case SSL3_MT_CERTIFICATE:
1199                 if (!ssl_print_certificates(bio, indent + 2,  msg, msglen))
1200                         return 0;
1201                 break;
1202
1203         case SSL3_MT_CERTIFICATE_VERIFY:
1204                 if (!ssl_print_signature(bio, indent + 2, ssl, &msg, &msglen))
1205                         return 0;
1206                 break;
1207
1208         case SSL3_MT_CERTIFICATE_REQUEST:
1209                 if (!ssl_print_cert_request(bio, indent + 2,  ssl, msg, msglen))
1210                         return 0;
1211                 break;
1212
1213         case SSL3_MT_FINISHED:
1214                 ssl_print_hex(bio, indent + 2, "verify_data", msg, msglen);
1215                 break;
1216
1217         case SSL3_MT_SERVER_DONE:
1218                 if (msglen != 0)
1219                         ssl_print_hex(bio, indent + 2, "unexpected value",
1220                                                                 msg, msglen);
1221                 break;
1222
1223         case SSL3_MT_NEWSESSION_TICKET:
1224                 if (!ssl_print_ticket(bio, indent + 2,  msg, msglen))
1225                         return 0;
1226                 break;
1227                 
1228         default:
1229                 BIO_indent(bio, indent + 2, 80);
1230                 BIO_puts(bio, "Unsupported, hex dump follows:\n");
1231                 BIO_dump_indent(bio, (char *)msg, msglen, indent + 4);
1232                 }
1233         return 1;
1234         }
1235
1236 static int ssl_print_heartbeat(BIO *bio, int indent,
1237                                 const unsigned char *msg, size_t msglen)
1238         {
1239         if (msglen < 3)
1240                 return 0;
1241         BIO_indent(bio, indent, 80);
1242         BIO_printf(bio, "HeartBeatMessageType: %s\n",
1243                                 ssl_trace_str(msg[0], ssl_hb_type_tbl));
1244         msg++;
1245         msglen--;
1246         if (!ssl_print_hexbuf(bio, indent, "payload", 2, &msg, &msglen))
1247                 return 0;
1248         ssl_print_hex(bio, indent, "padding", msg, msglen);
1249         return 1;
1250         }
1251
1252 const char *SSL_CIPHER_standard_name(const SSL_CIPHER *c)
1253         {
1254         if (c->algorithm_ssl & SSL_SSLV2)
1255                 return NULL;
1256         return ssl_trace_str(c->id & 0xFFFF, ssl_ciphers_tbl);
1257         }
1258
1259 void SSL_trace(int write_p, int version, int content_type,
1260                 const void *buf, size_t msglen, SSL *ssl, void *arg)
1261         {
1262         const unsigned char *msg = buf;
1263         BIO *bio = arg;
1264
1265         if (write_p == 2)
1266                 {
1267                 BIO_puts(bio, "Session ");
1268                 ssl_print_hex(bio, 0,
1269                                 ssl_trace_str(content_type, ssl_crypto_tbl),
1270                                 msg, msglen);
1271                 return;
1272                 }
1273         switch (content_type)
1274                 {
1275         case SSL3_RT_HEADER:
1276                 {
1277                 int hvers = msg[1] << 8 | msg[2];
1278                 BIO_puts(bio, write_p ? "Sent" : "Received");
1279                 BIO_printf(bio, " Record\nHeader:\n  Version = %s (0x%x)\n",
1280                                 ssl_trace_str(hvers, ssl_version_tbl), hvers);
1281                 if (SSL_IS_DTLS(ssl))
1282                         {
1283                         BIO_printf(bio,
1284                                 "  epoch=%d, sequence_number=%04x%04x%04x\n",
1285                                         (msg[3] << 8 | msg[4]),
1286                                         (msg[5] << 8 | msg[6]),
1287                                         (msg[7] << 8 | msg[8]),
1288                                         (msg[9] << 8 | msg[10]));
1289 #if 0
1290                         /* Just print handshake type so we can see what is
1291                          * going on during fragmentation.
1292                          */
1293                         BIO_printf(bio, "(%s)\n",
1294                                 ssl_trace_str(msg[msglen], ssl_handshake_tbl));
1295 #endif
1296                         }
1297
1298                 BIO_printf(bio, "  Content Type = %s (%d)\n  Length = %d",
1299                                 ssl_trace_str(msg[0], ssl_content_tbl), msg[0],
1300                                 msg[msglen - 2] << 8 | msg[msglen - 1]);
1301                 }
1302                 break;
1303         case SSL3_RT_HANDSHAKE:
1304                 if (!ssl_print_handshake(bio, ssl, msg, msglen, 4))
1305                         BIO_printf(bio, "Message length parse error!\n");
1306                 break;
1307
1308         case SSL3_RT_CHANGE_CIPHER_SPEC:
1309                 if (msglen == 1 && msg[0] == 1)
1310                         BIO_puts(bio, "    change_cipher_spec (1)\n");
1311                 else
1312                         ssl_print_hex(bio, 4, "unknown value", msg, msglen);
1313                 break;
1314
1315         case SSL3_RT_ALERT:
1316                 if (msglen != 2)
1317                         BIO_puts(bio, "    Illegal Alert Length\n");
1318                 else
1319                         {
1320                         BIO_printf(bio,"    Level=%s(%d), description=%s(%d)\n",
1321                                         SSL_alert_type_string_long(msg[0] << 8),
1322                                         msg[0],
1323                                         SSL_alert_desc_string_long(msg[1]),
1324                                         msg[1]);
1325                         }
1326         case TLS1_RT_HEARTBEAT:
1327                 ssl_print_heartbeat(bio, 4, msg, msglen);
1328                 break;
1329
1330                 }
1331
1332         BIO_puts(bio, "\n");
1333         }
1334
1335 #endif