b3b6e18b0d4827c8b3420daf7763e9454b458d64
[openssl.git] / ssl / t1_trce.c
1 /*
2  * Copyright 2012-2016 The OpenSSL Project Authors. All Rights Reserved.
3  *
4  * Licensed under the OpenSSL license (the "License").  You may not use
5  * this file except in compliance with the License.  You can obtain a copy
6  * in the file LICENSE in the source distribution or at
7  * https://www.openssl.org/source/license.html
8  */
9
10 #include "ssl_locl.h"
11
12 #ifndef OPENSSL_NO_SSL_TRACE
13
14 /* Packet trace support for OpenSSL */
15
16 typedef struct {
17     int num;
18     const char *name;
19 } ssl_trace_tbl;
20
21 # define ssl_trace_str(val, tbl) \
22         do_ssl_trace_str(val, tbl, OSSL_NELEM(tbl))
23
24 # define ssl_trace_list(bio, indent, msg, msglen, value, table) \
25         do_ssl_trace_list(bio, indent, msg, msglen, value, \
26          table, OSSL_NELEM(table))
27
28 static const char *do_ssl_trace_str(int val, ssl_trace_tbl *tbl, size_t ntbl)
29 {
30     size_t i;
31     for (i = 0; i < ntbl; i++, tbl++) {
32         if (tbl->num == val)
33             return tbl->name;
34     }
35     return "UNKNOWN";
36 }
37
38 static int do_ssl_trace_list(BIO *bio, int indent,
39                              const unsigned char *msg, size_t msglen,
40                              size_t vlen, ssl_trace_tbl *tbl, size_t ntbl)
41 {
42     int val;
43     if (msglen % vlen)
44         return 0;
45     while (msglen) {
46         val = msg[0];
47         if (vlen == 2)
48             val = (val << 8) | msg[1];
49         BIO_indent(bio, indent, 80);
50         BIO_printf(bio, "%s (%d)\n", do_ssl_trace_str(val, tbl, ntbl), val);
51         msg += vlen;
52         msglen -= vlen;
53     }
54     return 1;
55 }
56
57 /* Version number */
58
59 static ssl_trace_tbl ssl_version_tbl[] = {
60     {SSL3_VERSION, "SSL 3.0"},
61     {TLS1_VERSION, "TLS 1.0"},
62     {TLS1_1_VERSION, "TLS 1.1"},
63     {TLS1_2_VERSION, "TLS 1.2"},
64     {TLS1_3_VERSION, "TLS 1.3"},
65     /* TODO(TLS1.3): Remove this line before release */
66     {TLS1_3_VERSION_DRAFT, TLS1_3_VERSION_DRAFT_TXT},
67     {DTLS1_VERSION, "DTLS 1.0"},
68     {DTLS1_2_VERSION, "DTLS 1.2"},
69     {DTLS1_BAD_VER, "DTLS 1.0 (bad)"}
70 };
71
72 static ssl_trace_tbl ssl_content_tbl[] = {
73     {SSL3_RT_CHANGE_CIPHER_SPEC, "ChangeCipherSpec"},
74     {SSL3_RT_ALERT, "Alert"},
75     {SSL3_RT_HANDSHAKE, "Handshake"},
76     {SSL3_RT_APPLICATION_DATA, "ApplicationData"},
77 };
78
79 /* Handshake types */
80 static ssl_trace_tbl ssl_handshake_tbl[] = {
81     {SSL3_MT_HELLO_REQUEST, "HelloRequest"},
82     {SSL3_MT_CLIENT_HELLO, "ClientHello"},
83     {SSL3_MT_SERVER_HELLO, "ServerHello"},
84     {DTLS1_MT_HELLO_VERIFY_REQUEST, "HelloVerifyRequest"},
85     {SSL3_MT_NEWSESSION_TICKET, "NewSessionTicket"},
86     {SSL3_MT_CERTIFICATE, "Certificate"},
87     {SSL3_MT_SERVER_KEY_EXCHANGE, "ServerKeyExchange"},
88     {SSL3_MT_CERTIFICATE_REQUEST, "CertificateRequest"},
89     {SSL3_MT_CLIENT_KEY_EXCHANGE, "ClientKeyExchange"},
90     {SSL3_MT_CERTIFICATE_STATUS, "CertificateStatus"},
91     {SSL3_MT_SERVER_DONE, "ServerHelloDone"},
92     {SSL3_MT_CERTIFICATE_VERIFY, "CertificateVerify"},
93     {SSL3_MT_CLIENT_KEY_EXCHANGE, "ClientKeyExchange"},
94     {SSL3_MT_FINISHED, "Finished"},
95     {SSL3_MT_ENCRYPTED_EXTENSIONS, "EncryptedExtensions"},
96     {SSL3_MT_CERTIFICATE_STATUS, "CertificateStatus"}
97 };
98
99 /* Cipher suites */
100 static ssl_trace_tbl ssl_ciphers_tbl[] = {
101     {0x0000, "SSL_NULL_WITH_NULL_NULL"},
102     {0x0001, "SSL_RSA_WITH_NULL_MD5"},
103     {0x0002, "SSL_RSA_WITH_NULL_SHA"},
104     {0x0003, "SSL_RSA_EXPORT_WITH_RC4_40_MD5"},
105     {0x0004, "SSL_RSA_WITH_RC4_128_MD5"},
106     {0x0005, "SSL_RSA_WITH_RC4_128_SHA"},
107     {0x0006, "SSL_RSA_EXPORT_WITH_RC2_CBC_40_MD5"},
108     {0x0007, "SSL_RSA_WITH_IDEA_CBC_SHA"},
109     {0x0008, "SSL_RSA_EXPORT_WITH_DES40_CBC_SHA"},
110     {0x0009, "SSL_RSA_WITH_DES_CBC_SHA"},
111     {0x000A, "SSL_RSA_WITH_3DES_EDE_CBC_SHA"},
112     {0x000B, "SSL_DH_DSS_EXPORT_WITH_DES40_CBC_SHA"},
113     {0x000C, "SSL_DH_DSS_WITH_DES_CBC_SHA"},
114     {0x000D, "SSL_DH_DSS_WITH_3DES_EDE_CBC_SHA"},
115     {0x000E, "SSL_DH_RSA_EXPORT_WITH_DES40_CBC_SHA"},
116     {0x000F, "SSL_DH_RSA_WITH_DES_CBC_SHA"},
117     {0x0010, "SSL_DH_RSA_WITH_3DES_EDE_CBC_SHA"},
118     {0x0011, "SSL_DHE_DSS_EXPORT_WITH_DES40_CBC_SHA"},
119     {0x0012, "SSL_DHE_DSS_WITH_DES_CBC_SHA"},
120     {0x0013, "SSL_DHE_DSS_WITH_3DES_EDE_CBC_SHA"},
121     {0x0014, "SSL_DHE_RSA_EXPORT_WITH_DES40_CBC_SHA"},
122     {0x0015, "SSL_DHE_RSA_WITH_DES_CBC_SHA"},
123     {0x0016, "SSL_DHE_RSA_WITH_3DES_EDE_CBC_SHA"},
124     {0x0017, "SSL_DH_anon_EXPORT_WITH_RC4_40_MD5"},
125     {0x0018, "SSL_DH_anon_WITH_RC4_128_MD5"},
126     {0x0019, "SSL_DH_anon_EXPORT_WITH_DES40_CBC_SHA"},
127     {0x001A, "SSL_DH_anon_WITH_DES_CBC_SHA"},
128     {0x001B, "SSL_DH_anon_WITH_3DES_EDE_CBC_SHA"},
129     {0x001D, "SSL_FORTEZZA_KEA_WITH_FORTEZZA_CBC_SHA"},
130     {0x001E, "SSL_FORTEZZA_KEA_WITH_RC4_128_SHA"},
131     {0x001F, "TLS_KRB5_WITH_3DES_EDE_CBC_SHA"},
132     {0x0020, "TLS_KRB5_WITH_RC4_128_SHA"},
133     {0x0021, "TLS_KRB5_WITH_IDEA_CBC_SHA"},
134     {0x0022, "TLS_KRB5_WITH_DES_CBC_MD5"},
135     {0x0023, "TLS_KRB5_WITH_3DES_EDE_CBC_MD5"},
136     {0x0024, "TLS_KRB5_WITH_RC4_128_MD5"},
137     {0x0025, "TLS_KRB5_WITH_IDEA_CBC_MD5"},
138     {0x0026, "TLS_KRB5_EXPORT_WITH_DES_CBC_40_SHA"},
139     {0x0027, "TLS_KRB5_EXPORT_WITH_RC2_CBC_40_SHA"},
140     {0x0028, "TLS_KRB5_EXPORT_WITH_RC4_40_SHA"},
141     {0x0029, "TLS_KRB5_EXPORT_WITH_DES_CBC_40_MD5"},
142     {0x002A, "TLS_KRB5_EXPORT_WITH_RC2_CBC_40_MD5"},
143     {0x002B, "TLS_KRB5_EXPORT_WITH_RC4_40_MD5"},
144     {0x002C, "TLS_PSK_WITH_NULL_SHA"},
145     {0x002D, "TLS_DHE_PSK_WITH_NULL_SHA"},
146     {0x002E, "TLS_RSA_PSK_WITH_NULL_SHA"},
147     {0x002F, "TLS_RSA_WITH_AES_128_CBC_SHA"},
148     {0x0030, "TLS_DH_DSS_WITH_AES_128_CBC_SHA"},
149     {0x0031, "TLS_DH_RSA_WITH_AES_128_CBC_SHA"},
150     {0x0032, "TLS_DHE_DSS_WITH_AES_128_CBC_SHA"},
151     {0x0033, "TLS_DHE_RSA_WITH_AES_128_CBC_SHA"},
152     {0x0034, "TLS_DH_anon_WITH_AES_128_CBC_SHA"},
153     {0x0035, "TLS_RSA_WITH_AES_256_CBC_SHA"},
154     {0x0036, "TLS_DH_DSS_WITH_AES_256_CBC_SHA"},
155     {0x0037, "TLS_DH_RSA_WITH_AES_256_CBC_SHA"},
156     {0x0038, "TLS_DHE_DSS_WITH_AES_256_CBC_SHA"},
157     {0x0039, "TLS_DHE_RSA_WITH_AES_256_CBC_SHA"},
158     {0x003A, "TLS_DH_anon_WITH_AES_256_CBC_SHA"},
159     {0x003B, "TLS_RSA_WITH_NULL_SHA256"},
160     {0x003C, "TLS_RSA_WITH_AES_128_CBC_SHA256"},
161     {0x003D, "TLS_RSA_WITH_AES_256_CBC_SHA256"},
162     {0x003E, "TLS_DH_DSS_WITH_AES_128_CBC_SHA256"},
163     {0x003F, "TLS_DH_RSA_WITH_AES_128_CBC_SHA256"},
164     {0x0040, "TLS_DHE_DSS_WITH_AES_128_CBC_SHA256"},
165     {0x0041, "TLS_RSA_WITH_CAMELLIA_128_CBC_SHA"},
166     {0x0042, "TLS_DH_DSS_WITH_CAMELLIA_128_CBC_SHA"},
167     {0x0043, "TLS_DH_RSA_WITH_CAMELLIA_128_CBC_SHA"},
168     {0x0044, "TLS_DHE_DSS_WITH_CAMELLIA_128_CBC_SHA"},
169     {0x0045, "TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA"},
170     {0x0046, "TLS_DH_anon_WITH_CAMELLIA_128_CBC_SHA"},
171     {0x0067, "TLS_DHE_RSA_WITH_AES_128_CBC_SHA256"},
172     {0x0068, "TLS_DH_DSS_WITH_AES_256_CBC_SHA256"},
173     {0x0069, "TLS_DH_RSA_WITH_AES_256_CBC_SHA256"},
174     {0x006A, "TLS_DHE_DSS_WITH_AES_256_CBC_SHA256"},
175     {0x006B, "TLS_DHE_RSA_WITH_AES_256_CBC_SHA256"},
176     {0x006C, "TLS_DH_anon_WITH_AES_128_CBC_SHA256"},
177     {0x006D, "TLS_DH_anon_WITH_AES_256_CBC_SHA256"},
178     {0x0084, "TLS_RSA_WITH_CAMELLIA_256_CBC_SHA"},
179     {0x0085, "TLS_DH_DSS_WITH_CAMELLIA_256_CBC_SHA"},
180     {0x0086, "TLS_DH_RSA_WITH_CAMELLIA_256_CBC_SHA"},
181     {0x0087, "TLS_DHE_DSS_WITH_CAMELLIA_256_CBC_SHA"},
182     {0x0088, "TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA"},
183     {0x0089, "TLS_DH_anon_WITH_CAMELLIA_256_CBC_SHA"},
184     {0x008A, "TLS_PSK_WITH_RC4_128_SHA"},
185     {0x008B, "TLS_PSK_WITH_3DES_EDE_CBC_SHA"},
186     {0x008C, "TLS_PSK_WITH_AES_128_CBC_SHA"},
187     {0x008D, "TLS_PSK_WITH_AES_256_CBC_SHA"},
188     {0x008E, "TLS_DHE_PSK_WITH_RC4_128_SHA"},
189     {0x008F, "TLS_DHE_PSK_WITH_3DES_EDE_CBC_SHA"},
190     {0x0090, "TLS_DHE_PSK_WITH_AES_128_CBC_SHA"},
191     {0x0091, "TLS_DHE_PSK_WITH_AES_256_CBC_SHA"},
192     {0x0092, "TLS_RSA_PSK_WITH_RC4_128_SHA"},
193     {0x0093, "TLS_RSA_PSK_WITH_3DES_EDE_CBC_SHA"},
194     {0x0094, "TLS_RSA_PSK_WITH_AES_128_CBC_SHA"},
195     {0x0095, "TLS_RSA_PSK_WITH_AES_256_CBC_SHA"},
196     {0x0096, "TLS_RSA_WITH_SEED_CBC_SHA"},
197     {0x0097, "TLS_DH_DSS_WITH_SEED_CBC_SHA"},
198     {0x0098, "TLS_DH_RSA_WITH_SEED_CBC_SHA"},
199     {0x0099, "TLS_DHE_DSS_WITH_SEED_CBC_SHA"},
200     {0x009A, "TLS_DHE_RSA_WITH_SEED_CBC_SHA"},
201     {0x009B, "TLS_DH_anon_WITH_SEED_CBC_SHA"},
202     {0x009C, "TLS_RSA_WITH_AES_128_GCM_SHA256"},
203     {0x009D, "TLS_RSA_WITH_AES_256_GCM_SHA384"},
204     {0x009E, "TLS_DHE_RSA_WITH_AES_128_GCM_SHA256"},
205     {0x009F, "TLS_DHE_RSA_WITH_AES_256_GCM_SHA384"},
206     {0x00A0, "TLS_DH_RSA_WITH_AES_128_GCM_SHA256"},
207     {0x00A1, "TLS_DH_RSA_WITH_AES_256_GCM_SHA384"},
208     {0x00A2, "TLS_DHE_DSS_WITH_AES_128_GCM_SHA256"},
209     {0x00A3, "TLS_DHE_DSS_WITH_AES_256_GCM_SHA384"},
210     {0x00A4, "TLS_DH_DSS_WITH_AES_128_GCM_SHA256"},
211     {0x00A5, "TLS_DH_DSS_WITH_AES_256_GCM_SHA384"},
212     {0x00A6, "TLS_DH_anon_WITH_AES_128_GCM_SHA256"},
213     {0x00A7, "TLS_DH_anon_WITH_AES_256_GCM_SHA384"},
214     {0x00A8, "TLS_PSK_WITH_AES_128_GCM_SHA256"},
215     {0x00A9, "TLS_PSK_WITH_AES_256_GCM_SHA384"},
216     {0x00AA, "TLS_DHE_PSK_WITH_AES_128_GCM_SHA256"},
217     {0x00AB, "TLS_DHE_PSK_WITH_AES_256_GCM_SHA384"},
218     {0x00AC, "TLS_RSA_PSK_WITH_AES_128_GCM_SHA256"},
219     {0x00AD, "TLS_RSA_PSK_WITH_AES_256_GCM_SHA384"},
220     {0x00AE, "TLS_PSK_WITH_AES_128_CBC_SHA256"},
221     {0x00AF, "TLS_PSK_WITH_AES_256_CBC_SHA384"},
222     {0x00B0, "TLS_PSK_WITH_NULL_SHA256"},
223     {0x00B1, "TLS_PSK_WITH_NULL_SHA384"},
224     {0x00B2, "TLS_DHE_PSK_WITH_AES_128_CBC_SHA256"},
225     {0x00B3, "TLS_DHE_PSK_WITH_AES_256_CBC_SHA384"},
226     {0x00B4, "TLS_DHE_PSK_WITH_NULL_SHA256"},
227     {0x00B5, "TLS_DHE_PSK_WITH_NULL_SHA384"},
228     {0x00B6, "TLS_RSA_PSK_WITH_AES_128_CBC_SHA256"},
229     {0x00B7, "TLS_RSA_PSK_WITH_AES_256_CBC_SHA384"},
230     {0x00B8, "TLS_RSA_PSK_WITH_NULL_SHA256"},
231     {0x00B9, "TLS_RSA_PSK_WITH_NULL_SHA384"},
232     {0x00BA, "TLS_RSA_WITH_CAMELLIA_128_CBC_SHA256"},
233     {0x00BB, "TLS_DH_DSS_WITH_CAMELLIA_128_CBC_SHA256"},
234     {0x00BC, "TLS_DH_RSA_WITH_CAMELLIA_128_CBC_SHA256"},
235     {0x00BD, "TLS_DHE_DSS_WITH_CAMELLIA_128_CBC_SHA256"},
236     {0x00BE, "TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA256"},
237     {0x00BF, "TLS_DH_anon_WITH_CAMELLIA_128_CBC_SHA256"},
238     {0x00C0, "TLS_RSA_WITH_CAMELLIA_256_CBC_SHA256"},
239     {0x00C1, "TLS_DH_DSS_WITH_CAMELLIA_256_CBC_SHA256"},
240     {0x00C2, "TLS_DH_RSA_WITH_CAMELLIA_256_CBC_SHA256"},
241     {0x00C3, "TLS_DHE_DSS_WITH_CAMELLIA_256_CBC_SHA256"},
242     {0x00C4, "TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA256"},
243     {0x00C5, "TLS_DH_anon_WITH_CAMELLIA_256_CBC_SHA256"},
244     {0x00FF, "TLS_EMPTY_RENEGOTIATION_INFO_SCSV"},
245     {0x5600, "TLS_FALLBACK_SCSV"},
246     {0xC001, "TLS_ECDH_ECDSA_WITH_NULL_SHA"},
247     {0xC002, "TLS_ECDH_ECDSA_WITH_RC4_128_SHA"},
248     {0xC003, "TLS_ECDH_ECDSA_WITH_3DES_EDE_CBC_SHA"},
249     {0xC004, "TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA"},
250     {0xC005, "TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA"},
251     {0xC006, "TLS_ECDHE_ECDSA_WITH_NULL_SHA"},
252     {0xC007, "TLS_ECDHE_ECDSA_WITH_RC4_128_SHA"},
253     {0xC008, "TLS_ECDHE_ECDSA_WITH_3DES_EDE_CBC_SHA"},
254     {0xC009, "TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA"},
255     {0xC00A, "TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA"},
256     {0xC00B, "TLS_ECDH_RSA_WITH_NULL_SHA"},
257     {0xC00C, "TLS_ECDH_RSA_WITH_RC4_128_SHA"},
258     {0xC00D, "TLS_ECDH_RSA_WITH_3DES_EDE_CBC_SHA"},
259     {0xC00E, "TLS_ECDH_RSA_WITH_AES_128_CBC_SHA"},
260     {0xC00F, "TLS_ECDH_RSA_WITH_AES_256_CBC_SHA"},
261     {0xC010, "TLS_ECDHE_RSA_WITH_NULL_SHA"},
262     {0xC011, "TLS_ECDHE_RSA_WITH_RC4_128_SHA"},
263     {0xC012, "TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA"},
264     {0xC013, "TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA"},
265     {0xC014, "TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA"},
266     {0xC015, "TLS_ECDH_anon_WITH_NULL_SHA"},
267     {0xC016, "TLS_ECDH_anon_WITH_RC4_128_SHA"},
268     {0xC017, "TLS_ECDH_anon_WITH_3DES_EDE_CBC_SHA"},
269     {0xC018, "TLS_ECDH_anon_WITH_AES_128_CBC_SHA"},
270     {0xC019, "TLS_ECDH_anon_WITH_AES_256_CBC_SHA"},
271     {0xC01A, "TLS_SRP_SHA_WITH_3DES_EDE_CBC_SHA"},
272     {0xC01B, "TLS_SRP_SHA_RSA_WITH_3DES_EDE_CBC_SHA"},
273     {0xC01C, "TLS_SRP_SHA_DSS_WITH_3DES_EDE_CBC_SHA"},
274     {0xC01D, "TLS_SRP_SHA_WITH_AES_128_CBC_SHA"},
275     {0xC01E, "TLS_SRP_SHA_RSA_WITH_AES_128_CBC_SHA"},
276     {0xC01F, "TLS_SRP_SHA_DSS_WITH_AES_128_CBC_SHA"},
277     {0xC020, "TLS_SRP_SHA_WITH_AES_256_CBC_SHA"},
278     {0xC021, "TLS_SRP_SHA_RSA_WITH_AES_256_CBC_SHA"},
279     {0xC022, "TLS_SRP_SHA_DSS_WITH_AES_256_CBC_SHA"},
280     {0xC023, "TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256"},
281     {0xC024, "TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384"},
282     {0xC025, "TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA256"},
283     {0xC026, "TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA384"},
284     {0xC027, "TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256"},
285     {0xC028, "TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384"},
286     {0xC029, "TLS_ECDH_RSA_WITH_AES_128_CBC_SHA256"},
287     {0xC02A, "TLS_ECDH_RSA_WITH_AES_256_CBC_SHA384"},
288     {0xC02B, "TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256"},
289     {0xC02C, "TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384"},
290     {0xC02D, "TLS_ECDH_ECDSA_WITH_AES_128_GCM_SHA256"},
291     {0xC02E, "TLS_ECDH_ECDSA_WITH_AES_256_GCM_SHA384"},
292     {0xC02F, "TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256"},
293     {0xC030, "TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384"},
294     {0xC031, "TLS_ECDH_RSA_WITH_AES_128_GCM_SHA256"},
295     {0xC032, "TLS_ECDH_RSA_WITH_AES_256_GCM_SHA384"},
296     {0xC033, "TLS_ECDHE_PSK_WITH_RC4_128_SHA"},
297     {0xC034, "TLS_ECDHE_PSK_WITH_3DES_EDE_CBC_SHA"},
298     {0xC035, "TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA"},
299     {0xC036, "TLS_ECDHE_PSK_WITH_AES_256_CBC_SHA"},
300     {0xC037, "TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA256"},
301     {0xC038, "TLS_ECDHE_PSK_WITH_AES_256_CBC_SHA384"},
302     {0xC039, "TLS_ECDHE_PSK_WITH_NULL_SHA"},
303     {0xC03A, "TLS_ECDHE_PSK_WITH_NULL_SHA256"},
304     {0xC03B, "TLS_ECDHE_PSK_WITH_NULL_SHA384"},
305     {0xC03C, "TLS_RSA_WITH_ARIA_128_CBC_SHA256"},
306     {0xC03D, "TLS_RSA_WITH_ARIA_256_CBC_SHA384"},
307     {0xC03E, "TLS_DH_DSS_WITH_ARIA_128_CBC_SHA256"},
308     {0xC03F, "TLS_DH_DSS_WITH_ARIA_256_CBC_SHA384"},
309     {0xC040, "TLS_DH_RSA_WITH_ARIA_128_CBC_SHA256"},
310     {0xC041, "TLS_DH_RSA_WITH_ARIA_256_CBC_SHA384"},
311     {0xC042, "TLS_DHE_DSS_WITH_ARIA_128_CBC_SHA256"},
312     {0xC043, "TLS_DHE_DSS_WITH_ARIA_256_CBC_SHA384"},
313     {0xC044, "TLS_DHE_RSA_WITH_ARIA_128_CBC_SHA256"},
314     {0xC045, "TLS_DHE_RSA_WITH_ARIA_256_CBC_SHA384"},
315     {0xC046, "TLS_DH_anon_WITH_ARIA_128_CBC_SHA256"},
316     {0xC047, "TLS_DH_anon_WITH_ARIA_256_CBC_SHA384"},
317     {0xC048, "TLS_ECDHE_ECDSA_WITH_ARIA_128_CBC_SHA256"},
318     {0xC049, "TLS_ECDHE_ECDSA_WITH_ARIA_256_CBC_SHA384"},
319     {0xC04A, "TLS_ECDH_ECDSA_WITH_ARIA_128_CBC_SHA256"},
320     {0xC04B, "TLS_ECDH_ECDSA_WITH_ARIA_256_CBC_SHA384"},
321     {0xC04C, "TLS_ECDHE_RSA_WITH_ARIA_128_CBC_SHA256"},
322     {0xC04D, "TLS_ECDHE_RSA_WITH_ARIA_256_CBC_SHA384"},
323     {0xC04E, "TLS_ECDH_RSA_WITH_ARIA_128_CBC_SHA256"},
324     {0xC04F, "TLS_ECDH_RSA_WITH_ARIA_256_CBC_SHA384"},
325     {0xC050, "TLS_RSA_WITH_ARIA_128_GCM_SHA256"},
326     {0xC051, "TLS_RSA_WITH_ARIA_256_GCM_SHA384"},
327     {0xC052, "TLS_DHE_RSA_WITH_ARIA_128_GCM_SHA256"},
328     {0xC053, "TLS_DHE_RSA_WITH_ARIA_256_GCM_SHA384"},
329     {0xC054, "TLS_DH_RSA_WITH_ARIA_128_GCM_SHA256"},
330     {0xC055, "TLS_DH_RSA_WITH_ARIA_256_GCM_SHA384"},
331     {0xC056, "TLS_DHE_DSS_WITH_ARIA_128_GCM_SHA256"},
332     {0xC057, "TLS_DHE_DSS_WITH_ARIA_256_GCM_SHA384"},
333     {0xC058, "TLS_DH_DSS_WITH_ARIA_128_GCM_SHA256"},
334     {0xC059, "TLS_DH_DSS_WITH_ARIA_256_GCM_SHA384"},
335     {0xC05A, "TLS_DH_anon_WITH_ARIA_128_GCM_SHA256"},
336     {0xC05B, "TLS_DH_anon_WITH_ARIA_256_GCM_SHA384"},
337     {0xC05C, "TLS_ECDHE_ECDSA_WITH_ARIA_128_GCM_SHA256"},
338     {0xC05D, "TLS_ECDHE_ECDSA_WITH_ARIA_256_GCM_SHA384"},
339     {0xC05E, "TLS_ECDH_ECDSA_WITH_ARIA_128_GCM_SHA256"},
340     {0xC05F, "TLS_ECDH_ECDSA_WITH_ARIA_256_GCM_SHA384"},
341     {0xC060, "TLS_ECDHE_RSA_WITH_ARIA_128_GCM_SHA256"},
342     {0xC061, "TLS_ECDHE_RSA_WITH_ARIA_256_GCM_SHA384"},
343     {0xC062, "TLS_ECDH_RSA_WITH_ARIA_128_GCM_SHA256"},
344     {0xC063, "TLS_ECDH_RSA_WITH_ARIA_256_GCM_SHA384"},
345     {0xC064, "TLS_PSK_WITH_ARIA_128_CBC_SHA256"},
346     {0xC065, "TLS_PSK_WITH_ARIA_256_CBC_SHA384"},
347     {0xC066, "TLS_DHE_PSK_WITH_ARIA_128_CBC_SHA256"},
348     {0xC067, "TLS_DHE_PSK_WITH_ARIA_256_CBC_SHA384"},
349     {0xC068, "TLS_RSA_PSK_WITH_ARIA_128_CBC_SHA256"},
350     {0xC069, "TLS_RSA_PSK_WITH_ARIA_256_CBC_SHA384"},
351     {0xC06A, "TLS_PSK_WITH_ARIA_128_GCM_SHA256"},
352     {0xC06B, "TLS_PSK_WITH_ARIA_256_GCM_SHA384"},
353     {0xC06C, "TLS_DHE_PSK_WITH_ARIA_128_GCM_SHA256"},
354     {0xC06D, "TLS_DHE_PSK_WITH_ARIA_256_GCM_SHA384"},
355     {0xC06E, "TLS_RSA_PSK_WITH_ARIA_128_GCM_SHA256"},
356     {0xC06F, "TLS_RSA_PSK_WITH_ARIA_256_GCM_SHA384"},
357     {0xC070, "TLS_ECDHE_PSK_WITH_ARIA_128_CBC_SHA256"},
358     {0xC071, "TLS_ECDHE_PSK_WITH_ARIA_256_CBC_SHA384"},
359     {0xC072, "TLS_ECDHE_ECDSA_WITH_CAMELLIA_128_CBC_SHA256"},
360     {0xC073, "TLS_ECDHE_ECDSA_WITH_CAMELLIA_256_CBC_SHA384"},
361     {0xC074, "TLS_ECDH_ECDSA_WITH_CAMELLIA_128_CBC_SHA256"},
362     {0xC075, "TLS_ECDH_ECDSA_WITH_CAMELLIA_256_CBC_SHA384"},
363     {0xC076, "TLS_ECDHE_RSA_WITH_CAMELLIA_128_CBC_SHA256"},
364     {0xC077, "TLS_ECDHE_RSA_WITH_CAMELLIA_256_CBC_SHA384"},
365     {0xC078, "TLS_ECDH_RSA_WITH_CAMELLIA_128_CBC_SHA256"},
366     {0xC079, "TLS_ECDH_RSA_WITH_CAMELLIA_256_CBC_SHA384"},
367     {0xC07A, "TLS_RSA_WITH_CAMELLIA_128_GCM_SHA256"},
368     {0xC07B, "TLS_RSA_WITH_CAMELLIA_256_GCM_SHA384"},
369     {0xC07C, "TLS_DHE_RSA_WITH_CAMELLIA_128_GCM_SHA256"},
370     {0xC07D, "TLS_DHE_RSA_WITH_CAMELLIA_256_GCM_SHA384"},
371     {0xC07E, "TLS_DH_RSA_WITH_CAMELLIA_128_GCM_SHA256"},
372     {0xC07F, "TLS_DH_RSA_WITH_CAMELLIA_256_GCM_SHA384"},
373     {0xC080, "TLS_DHE_DSS_WITH_CAMELLIA_128_GCM_SHA256"},
374     {0xC081, "TLS_DHE_DSS_WITH_CAMELLIA_256_GCM_SHA384"},
375     {0xC082, "TLS_DH_DSS_WITH_CAMELLIA_128_GCM_SHA256"},
376     {0xC083, "TLS_DH_DSS_WITH_CAMELLIA_256_GCM_SHA384"},
377     {0xC084, "TLS_DH_anon_WITH_CAMELLIA_128_GCM_SHA256"},
378     {0xC085, "TLS_DH_anon_WITH_CAMELLIA_256_GCM_SHA384"},
379     {0xC086, "TLS_ECDHE_ECDSA_WITH_CAMELLIA_128_GCM_SHA256"},
380     {0xC087, "TLS_ECDHE_ECDSA_WITH_CAMELLIA_256_GCM_SHA384"},
381     {0xC088, "TLS_ECDH_ECDSA_WITH_CAMELLIA_128_GCM_SHA256"},
382     {0xC089, "TLS_ECDH_ECDSA_WITH_CAMELLIA_256_GCM_SHA384"},
383     {0xC08A, "TLS_ECDHE_RSA_WITH_CAMELLIA_128_GCM_SHA256"},
384     {0xC08B, "TLS_ECDHE_RSA_WITH_CAMELLIA_256_GCM_SHA384"},
385     {0xC08C, "TLS_ECDH_RSA_WITH_CAMELLIA_128_GCM_SHA256"},
386     {0xC08D, "TLS_ECDH_RSA_WITH_CAMELLIA_256_GCM_SHA384"},
387     {0xC08E, "TLS_PSK_WITH_CAMELLIA_128_GCM_SHA256"},
388     {0xC08F, "TLS_PSK_WITH_CAMELLIA_256_GCM_SHA384"},
389     {0xC090, "TLS_DHE_PSK_WITH_CAMELLIA_128_GCM_SHA256"},
390     {0xC091, "TLS_DHE_PSK_WITH_CAMELLIA_256_GCM_SHA384"},
391     {0xC092, "TLS_RSA_PSK_WITH_CAMELLIA_128_GCM_SHA256"},
392     {0xC093, "TLS_RSA_PSK_WITH_CAMELLIA_256_GCM_SHA384"},
393     {0xC094, "TLS_PSK_WITH_CAMELLIA_128_CBC_SHA256"},
394     {0xC095, "TLS_PSK_WITH_CAMELLIA_256_CBC_SHA384"},
395     {0xC096, "TLS_DHE_PSK_WITH_CAMELLIA_128_CBC_SHA256"},
396     {0xC097, "TLS_DHE_PSK_WITH_CAMELLIA_256_CBC_SHA384"},
397     {0xC098, "TLS_RSA_PSK_WITH_CAMELLIA_128_CBC_SHA256"},
398     {0xC099, "TLS_RSA_PSK_WITH_CAMELLIA_256_CBC_SHA384"},
399     {0xC09A, "TLS_ECDHE_PSK_WITH_CAMELLIA_128_CBC_SHA256"},
400     {0xC09B, "TLS_ECDHE_PSK_WITH_CAMELLIA_256_CBC_SHA384"},
401     {0xC09C, "TLS_RSA_WITH_AES_128_CCM"},
402     {0xC09D, "TLS_RSA_WITH_AES_256_CCM"},
403     {0xC09E, "TLS_DHE_RSA_WITH_AES_128_CCM"},
404     {0xC09F, "TLS_DHE_RSA_WITH_AES_256_CCM"},
405     {0xC0A0, "TLS_RSA_WITH_AES_128_CCM_8"},
406     {0xC0A1, "TLS_RSA_WITH_AES_256_CCM_8"},
407     {0xC0A2, "TLS_DHE_RSA_WITH_AES_128_CCM_8"},
408     {0xC0A3, "TLS_DHE_RSA_WITH_AES_256_CCM_8"},
409     {0xC0A4, "TLS_PSK_WITH_AES_128_CCM"},
410     {0xC0A5, "TLS_PSK_WITH_AES_256_CCM"},
411     {0xC0A6, "TLS_DHE_PSK_WITH_AES_128_CCM"},
412     {0xC0A7, "TLS_DHE_PSK_WITH_AES_256_CCM"},
413     {0xC0A8, "TLS_PSK_WITH_AES_128_CCM_8"},
414     {0xC0A9, "TLS_PSK_WITH_AES_256_CCM_8"},
415     {0xC0AA, "TLS_PSK_DHE_WITH_AES_128_CCM_8"},
416     {0xC0AB, "TLS_PSK_DHE_WITH_AES_256_CCM_8"},
417     {0xC0AC, "TLS_ECDHE_ECDSA_WITH_AES_128_CCM"},
418     {0xC0AD, "TLS_ECDHE_ECDSA_WITH_AES_256_CCM"},
419     {0xC0AE, "TLS_ECDHE_ECDSA_WITH_AES_128_CCM_8"},
420     {0xC0AF, "TLS_ECDHE_ECDSA_WITH_AES_256_CCM_8"},
421     {0xCCA8, "TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305"},
422     {0xCCA9, "TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305"},
423     {0xCCAA, "TLS_DHE_RSA_WITH_CHACHA20_POLY1305"},
424     {0xCCAB, "TLS_PSK_WITH_CHACHA20_POLY1305"},
425     {0xCCAC, "TLS_ECDHE_PSK_WITH_CHACHA20_POLY1305"},
426     {0xCCAD, "TLS_DHE_PSK_WITH_CHACHA20_POLY1305"},
427     {0xCCAE, "TLS_RSA_PSK_WITH_CHACHA20_POLY1305"},
428     {0x1301, "TLS_AES_128_GCM_SHA256"},
429     {0xFEFE, "SSL_RSA_FIPS_WITH_DES_CBC_SHA"},
430     {0xFEFF, "SSL_RSA_FIPS_WITH_3DES_EDE_CBC_SHA"},
431 };
432
433 /* Compression methods */
434 static ssl_trace_tbl ssl_comp_tbl[] = {
435     {0x0000, "No Compression"},
436     {0x0001, "Zlib Compression"}
437 };
438
439 /* Extensions */
440 static ssl_trace_tbl ssl_exts_tbl[] = {
441     {TLSEXT_TYPE_server_name, "server_name"},
442     {TLSEXT_TYPE_max_fragment_length, "max_fragment_length"},
443     {TLSEXT_TYPE_client_certificate_url, "client_certificate_url"},
444     {TLSEXT_TYPE_trusted_ca_keys, "trusted_ca_keys"},
445     {TLSEXT_TYPE_truncated_hmac, "truncated_hmac"},
446     {TLSEXT_TYPE_status_request, "status_request"},
447     {TLSEXT_TYPE_user_mapping, "user_mapping"},
448     {TLSEXT_TYPE_client_authz, "client_authz"},
449     {TLSEXT_TYPE_server_authz, "server_authz"},
450     {TLSEXT_TYPE_cert_type, "cert_type"},
451     {TLSEXT_TYPE_key_share, "key_share"},
452     {TLSEXT_TYPE_supported_groups, "supported_groups"},
453     {TLSEXT_TYPE_ec_point_formats, "ec_point_formats"},
454     {TLSEXT_TYPE_srp, "srp"},
455     {TLSEXT_TYPE_signature_algorithms, "signature_algorithms"},
456     {TLSEXT_TYPE_use_srtp, "use_srtp"},
457     {TLSEXT_TYPE_session_ticket, "session_ticket"},
458     {TLSEXT_TYPE_supported_versions, "supported_versions"},
459     {TLSEXT_TYPE_renegotiate, "renegotiate"},
460 # ifndef OPENSSL_NO_NEXTPROTONEG
461     {TLSEXT_TYPE_next_proto_neg, "next_proto_neg"},
462 # endif
463     {TLSEXT_TYPE_signed_certificate_timestamp, "signed_certificate_timestamps"},
464     {TLSEXT_TYPE_padding, "padding"},
465     {TLSEXT_TYPE_encrypt_then_mac, "encrypt_then_mac"},
466     {TLSEXT_TYPE_extended_master_secret, "extended_master_secret"}
467 };
468
469 static ssl_trace_tbl ssl_groups_tbl[] = {
470     {1, "sect163k1 (K-163)"},
471     {2, "sect163r1"},
472     {3, "sect163r2 (B-163)"},
473     {4, "sect193r1"},
474     {5, "sect193r2"},
475     {6, "sect233k1 (K-233)"},
476     {7, "sect233r1 (B-233)"},
477     {8, "sect239k1"},
478     {9, "sect283k1 (K-283)"},
479     {10, "sect283r1 (B-283)"},
480     {11, "sect409k1 (K-409)"},
481     {12, "sect409r1 (B-409)"},
482     {13, "sect571k1 (K-571)"},
483     {14, "sect571r1 (B-571)"},
484     {15, "secp160k1"},
485     {16, "secp160r1"},
486     {17, "secp160r2"},
487     {18, "secp192k1"},
488     {19, "secp192r1 (P-192)"},
489     {20, "secp224k1"},
490     {21, "secp224r1 (P-224)"},
491     {22, "secp256k1"},
492     {23, "secp256r1 (P-256)"},
493     {24, "secp384r1 (P-384)"},
494     {25, "secp521r1 (P-521)"},
495     {26, "brainpoolP256r1"},
496     {27, "brainpoolP384r1"},
497     {28, "brainpoolP512r1"},
498     {29, "ecdh_x25519"},
499     {0xFF01, "arbitrary_explicit_prime_curves"},
500     {0xFF02, "arbitrary_explicit_char2_curves"}
501 };
502
503 static ssl_trace_tbl ssl_point_tbl[] = {
504     {0, "uncompressed"},
505     {1, "ansiX962_compressed_prime"},
506     {2, "ansiX962_compressed_char2"}
507 };
508
509 static ssl_trace_tbl ssl_sigalg_tbl[] = {
510     {TLSEXT_SIGALG_ecdsa_secp256r1_sha256, "ecdsa_secp256r1_sha256"},
511     {TLSEXT_SIGALG_ecdsa_secp384r1_sha384, "ecdsa_secp384r1_sha384"},
512     {TLSEXT_SIGALG_ecdsa_secp521r1_sha512, "ecdsa_secp521r1_sha512"},
513     {TLSEXT_SIGALG_ecdsa_sha1, "ecdsa_sha1"},
514     {TLSEXT_SIGALG_rsa_pss_sha256, "rsa_pss_sha256"},
515     {TLSEXT_SIGALG_rsa_pss_sha384, "rsa_pss_sha384"},
516     {TLSEXT_SIGALG_rsa_pss_sha512, "rsa_pss_sha512"},
517     {TLSEXT_SIGALG_rsa_pkcs1_sha256, "rsa_pkcs1_sha256"},
518     {TLSEXT_SIGALG_rsa_pkcs1_sha384, "rsa_pkcs1_sha384"},
519     {TLSEXT_SIGALG_rsa_pkcs1_sha512, "rsa_pkcs1_sha512"},
520     {TLSEXT_SIGALG_rsa_pkcs1_sha1, "rsa_pkcs1_sha1"},
521     {TLSEXT_SIGALG_dsa_sha256, "dsa_sha256"},
522     {TLSEXT_SIGALG_dsa_sha384, "dsa_sha384"},
523     {TLSEXT_SIGALG_dsa_sha512, "dsa_sha512"},
524     {TLSEXT_SIGALG_dsa_sha1, "dsa_sha1"},
525     {TLSEXT_SIGALG_gostr34102012_256_gostr34112012_256, "gost2012_256"},
526     {TLSEXT_SIGALG_gostr34102012_512_gostr34112012_512, "gost2012_512"},
527     {TLSEXT_SIGALG_gostr34102001_gostr3411, "gost2001_gost94"},
528 };
529
530 static ssl_trace_tbl ssl_ctype_tbl[] = {
531     {1, "rsa_sign"},
532     {2, "dss_sign"},
533     {3, "rsa_fixed_dh"},
534     {4, "dss_fixed_dh"},
535     {5, "rsa_ephemeral_dh"},
536     {6, "dss_ephemeral_dh"},
537     {20, "fortezza_dms"},
538     {64, "ecdsa_sign"},
539     {65, "rsa_fixed_ecdh"},
540     {66, "ecdsa_fixed_ecdh"}
541 };
542
543 static ssl_trace_tbl ssl_crypto_tbl[] = {
544     {TLS1_RT_CRYPTO_PREMASTER, "Premaster Secret"},
545     {TLS1_RT_CRYPTO_CLIENT_RANDOM, "Client Random"},
546     {TLS1_RT_CRYPTO_SERVER_RANDOM, "Server Random"},
547     {TLS1_RT_CRYPTO_MASTER, "Master Secret"},
548     {TLS1_RT_CRYPTO_MAC | TLS1_RT_CRYPTO_WRITE, "Write Mac Secret"},
549     {TLS1_RT_CRYPTO_MAC | TLS1_RT_CRYPTO_READ, "Read Mac Secret"},
550     {TLS1_RT_CRYPTO_KEY | TLS1_RT_CRYPTO_WRITE, "Write Key"},
551     {TLS1_RT_CRYPTO_KEY | TLS1_RT_CRYPTO_READ, "Read Key"},
552     {TLS1_RT_CRYPTO_IV | TLS1_RT_CRYPTO_WRITE, "Write IV"},
553     {TLS1_RT_CRYPTO_IV | TLS1_RT_CRYPTO_READ, "Read IV"},
554     {TLS1_RT_CRYPTO_FIXED_IV | TLS1_RT_CRYPTO_WRITE, "Write IV (fixed part)"},
555     {TLS1_RT_CRYPTO_FIXED_IV | TLS1_RT_CRYPTO_READ, "Read IV (fixed part)"}
556 };
557
558 static void ssl_print_hex(BIO *bio, int indent, const char *name,
559                           const unsigned char *msg, size_t msglen)
560 {
561     size_t i;
562     BIO_indent(bio, indent, 80);
563     BIO_printf(bio, "%s (len=%d): ", name, (int)msglen);
564     for (i = 0; i < msglen; i++)
565         BIO_printf(bio, "%02X", msg[i]);
566     BIO_puts(bio, "\n");
567 }
568
569 static int ssl_print_hexbuf(BIO *bio, int indent,
570                             const char *name, size_t nlen,
571                             const unsigned char **pmsg, size_t *pmsglen)
572 {
573     size_t blen;
574     const unsigned char *p = *pmsg;
575     if (*pmsglen < nlen)
576         return 0;
577     blen = p[0];
578     if (nlen > 1)
579         blen = (blen << 8) | p[1];
580     if (*pmsglen < nlen + blen)
581         return 0;
582     p += nlen;
583     ssl_print_hex(bio, indent, name, p, blen);
584     *pmsg += blen + nlen;
585     *pmsglen -= blen + nlen;
586     return 1;
587 }
588
589 static int ssl_print_version(BIO *bio, int indent, const char *name,
590                              const unsigned char **pmsg, size_t *pmsglen,
591                              unsigned int *version)
592 {
593     int vers;
594
595     if (*pmsglen < 2)
596         return 0;
597     vers = ((*pmsg)[0] << 8) | (*pmsg)[1];
598     if (version != NULL) {
599         /* TODO(TLS1.3): Remove the draft conditional here before release */
600         *version = (vers == TLS1_3_VERSION_DRAFT) ? TLS1_3_VERSION : vers;
601     }
602     BIO_indent(bio, indent, 80);
603     BIO_printf(bio, "%s=0x%x (%s)\n",
604                name, vers, ssl_trace_str(vers, ssl_version_tbl));
605     *pmsg += 2;
606     *pmsglen -= 2;
607     return 1;
608 }
609
610 static int ssl_print_random(BIO *bio, int indent,
611                             const unsigned char **pmsg, size_t *pmsglen)
612 {
613     unsigned int tm;
614     const unsigned char *p = *pmsg;
615     if (*pmsglen < 32)
616         return 0;
617     tm = (p[0] << 24) | (p[1] << 16) | (p[2] << 8) | p[3];
618     p += 4;
619     BIO_indent(bio, indent, 80);
620     BIO_puts(bio, "Random:\n");
621     BIO_indent(bio, indent + 2, 80);
622     BIO_printf(bio, "gmt_unix_time=0x%08X\n", tm);
623     ssl_print_hex(bio, indent + 2, "random_bytes", p, 28);
624     *pmsg += 32;
625     *pmsglen -= 32;
626     return 1;
627 }
628
629 static int ssl_print_signature(BIO *bio, int indent, SSL *s,
630                                const unsigned char **pmsg, size_t *pmsglen)
631 {
632     if (*pmsglen < 2)
633         return 0;
634     if (SSL_USE_SIGALGS(s)) {
635         const unsigned char *p = *pmsg;
636         unsigned int sigalg = (p[0] << 8) | p[1];
637
638         BIO_indent(bio, indent, 80);
639         BIO_printf(bio, "Signature Algorithm: %s (0x%04x)\n",
640                    ssl_trace_str(sigalg, ssl_sigalg_tbl), sigalg);
641         *pmsg += 2;
642         *pmsglen -= 2;
643     }
644     return ssl_print_hexbuf(bio, indent, "Signature", 2, pmsg, pmsglen);
645 }
646
647 static int ssl_print_extension(BIO *bio, int indent, int server, int extype,
648                                const unsigned char *ext, size_t extlen)
649 {
650     size_t xlen, share_len;
651     unsigned int sigalg;
652
653     BIO_indent(bio, indent, 80);
654     BIO_printf(bio, "extension_type=%s(%d), length=%d\n",
655                ssl_trace_str(extype, ssl_exts_tbl), extype, (int)extlen);
656     switch (extype) {
657     case TLSEXT_TYPE_ec_point_formats:
658         if (extlen < 1)
659             return 0;
660         xlen = ext[0];
661         if (extlen != xlen + 1)
662             return 0;
663         return ssl_trace_list(bio, indent + 2, ext + 1, xlen, 1, ssl_point_tbl);
664
665     case TLSEXT_TYPE_supported_groups:
666         if (extlen < 2)
667             return 0;
668         xlen = (ext[0] << 8) | ext[1];
669         if (extlen != xlen + 2)
670             return 0;
671         return ssl_trace_list(bio, indent + 2, ext + 2, xlen, 2, ssl_groups_tbl);
672
673     case TLSEXT_TYPE_signature_algorithms:
674
675         if (extlen < 2)
676             return 0;
677         xlen = (ext[0] << 8) | ext[1];
678         if (extlen != xlen + 2)
679             return 0;
680         if (xlen & 1)
681             return 0;
682         ext += 2;
683         while (xlen > 0) {
684             BIO_indent(bio, indent + 2, 80);
685             sigalg = (ext[0] << 8) | ext[1];
686             BIO_printf(bio, "%s (0x%04x)\n",
687                        ssl_trace_str(sigalg, ssl_sigalg_tbl), sigalg);
688             xlen -= 2;
689             ext += 2;
690         }
691         break;
692
693     case TLSEXT_TYPE_renegotiate:
694         if (extlen < 1)
695             return 0;
696         xlen = ext[0];
697         if (xlen + 1 != extlen)
698             return 0;
699         ext++;
700         if (xlen) {
701             if (server) {
702                 if (xlen & 1)
703                     return 0;
704                 xlen >>= 1;
705             }
706             ssl_print_hex(bio, indent + 4, "client_verify_data", ext, xlen);
707             if (server) {
708                 ext += xlen;
709                 ssl_print_hex(bio, indent + 4, "server_verify_data", ext, xlen);
710             }
711         } else {
712             BIO_indent(bio, indent + 4, 80);
713             BIO_puts(bio, "<EMPTY>\n");
714         }
715         break;
716
717     case TLSEXT_TYPE_heartbeat:
718         return 0;
719
720     case TLSEXT_TYPE_session_ticket:
721         if (extlen != 0)
722             ssl_print_hex(bio, indent + 4, "ticket", ext, extlen);
723         break;
724
725     case TLSEXT_TYPE_key_share:
726         if (extlen < 2)
727             return 0;
728         if (server) {
729             xlen = extlen;
730         } else {
731             xlen = (ext[0] << 8) | ext[1];
732             if (extlen != xlen + 2)
733                 return 0;
734             ext += 2;
735         }
736         for (; xlen > 0; ext += share_len, xlen -= share_len) {
737             int group_id;
738
739             if (xlen < 4)
740                 return 0;
741             group_id = (ext[0] << 8) | ext[1];
742             share_len = (ext[2] << 8) | ext[3];
743             ext += 4;
744             xlen -= 4;
745             if (xlen < share_len)
746                 return 0;
747             BIO_indent(bio, indent + 4, 80);
748             BIO_printf(bio, "NamedGroup: %s\n",
749                        ssl_trace_str(group_id, ssl_groups_tbl));
750             ssl_print_hex(bio, indent + 4, "key_exchange: ", ext, share_len);
751         }
752         break;
753
754     case TLSEXT_TYPE_supported_versions:
755         if (extlen < 1)
756             return 0;
757         xlen = ext[0];
758         if (extlen != xlen + 1)
759             return 0;
760         return ssl_trace_list(bio, indent + 2, ext + 1, xlen, 2,
761                               ssl_version_tbl);
762
763     default:
764         BIO_dump_indent(bio, (const char *)ext, extlen, indent + 2);
765     }
766     return 1;
767 }
768
769 static int ssl_print_extensions(BIO *bio, int indent, int server,
770                                 const unsigned char **msgin, size_t *msginlen)
771 {
772     size_t extslen, msglen = *msginlen;
773     const unsigned char *msg = *msgin;
774
775     BIO_indent(bio, indent, 80);
776     if (msglen == 0) {
777         BIO_puts(bio, "No Extensions\n");
778         return 1;
779     }
780     extslen = (msg[0] << 8) | msg[1];
781     if (extslen != msglen - 2)
782         return 0;
783     msg += 2;
784     msglen = extslen;
785     BIO_printf(bio, "extensions, length = %d\n", (int)msglen);
786     while (msglen > 0) {
787         int extype;
788         size_t extlen;
789         if (msglen < 4)
790             return 0;
791         extype = (msg[0] << 8) | msg[1];
792         extlen = (msg[2] << 8) | msg[3];
793         if (msglen < extlen + 4)
794             return 0;
795         msg += 4;
796         if (!ssl_print_extension(bio, indent + 2, server, extype, msg, extlen))
797             return 0;
798         msg += extlen;
799         msglen -= extlen + 4;
800     }
801
802     *msgin = msg;
803     *msginlen = msglen;
804     return 1;
805 }
806
807 static int ssl_print_client_hello(BIO *bio, SSL *ssl, int indent,
808                                   const unsigned char *msg, size_t msglen)
809 {
810     size_t len;
811     unsigned int cs;
812     if (!ssl_print_version(bio, indent, "client_version", &msg, &msglen, NULL))
813         return 0;
814     if (!ssl_print_random(bio, indent, &msg, &msglen))
815         return 0;
816     if (!ssl_print_hexbuf(bio, indent, "session_id", 1, &msg, &msglen))
817         return 0;
818     if (SSL_IS_DTLS(ssl)) {
819         if (!ssl_print_hexbuf(bio, indent, "cookie", 1, &msg, &msglen))
820             return 0;
821     }
822     if (msglen < 2)
823         return 0;
824     len = (msg[0] << 8) | msg[1];
825     msg += 2;
826     msglen -= 2;
827     BIO_indent(bio, indent, 80);
828     BIO_printf(bio, "cipher_suites (len=%d)\n", (int)len);
829     if (msglen < len || len & 1)
830         return 0;
831     while (len > 0) {
832         cs = (msg[0] << 8) | msg[1];
833         BIO_indent(bio, indent + 2, 80);
834         BIO_printf(bio, "{0x%02X, 0x%02X} %s\n",
835                    msg[0], msg[1], ssl_trace_str(cs, ssl_ciphers_tbl));
836         msg += 2;
837         msglen -= 2;
838         len -= 2;
839     }
840     if (msglen < 1)
841         return 0;
842     len = msg[0];
843     msg++;
844     msglen--;
845     if (msglen < len)
846         return 0;
847     BIO_indent(bio, indent, 80);
848     BIO_printf(bio, "compression_methods (len=%d)\n", (int)len);
849     while (len > 0) {
850         BIO_indent(bio, indent + 2, 80);
851         BIO_printf(bio, "%s (0x%02X)\n",
852                    ssl_trace_str(msg[0], ssl_comp_tbl), msg[0]);
853         msg++;
854         msglen--;
855         len--;
856     }
857     if (!ssl_print_extensions(bio, indent, 0, &msg, &msglen))
858         return 0;
859     return 1;
860 }
861
862 static int dtls_print_hello_vfyrequest(BIO *bio, int indent,
863                                        const unsigned char *msg, size_t msglen)
864 {
865     if (!ssl_print_version(bio, indent, "server_version", &msg, &msglen, NULL))
866         return 0;
867     if (!ssl_print_hexbuf(bio, indent, "cookie", 1, &msg, &msglen))
868         return 0;
869     return 1;
870 }
871
872 static int ssl_print_server_hello(BIO *bio, int indent,
873                                   const unsigned char *msg, size_t msglen)
874 {
875     unsigned int cs;
876     unsigned int vers;
877
878     if (!ssl_print_version(bio, indent, "server_version", &msg, &msglen, &vers))
879         return 0;
880     if (!ssl_print_random(bio, indent, &msg, &msglen))
881         return 0;
882     if (vers != TLS1_3_VERSION
883             && !ssl_print_hexbuf(bio, indent, "session_id", 1, &msg, &msglen))
884         return 0;
885     if (msglen < 2)
886         return 0;
887     cs = (msg[0] << 8) | msg[1];
888     BIO_indent(bio, indent, 80);
889     BIO_printf(bio, "cipher_suite {0x%02X, 0x%02X} %s\n",
890                msg[0], msg[1], ssl_trace_str(cs, ssl_ciphers_tbl));
891     msg += 2;
892     msglen -= 2;
893     if (vers != TLS1_3_VERSION) {
894         if (msglen < 1)
895             return 0;
896         BIO_indent(bio, indent, 80);
897         BIO_printf(bio, "compression_method: %s (0x%02X)\n",
898                    ssl_trace_str(msg[0], ssl_comp_tbl), msg[0]);
899         msg++;
900         msglen--;
901     }
902     if (!ssl_print_extensions(bio, indent, 1, &msg, &msglen))
903         return 0;
904     return 1;
905 }
906
907 static int ssl_get_keyex(const char **pname, SSL *ssl)
908 {
909     unsigned long alg_k = ssl->s3->tmp.new_cipher->algorithm_mkey;
910     if (alg_k & SSL_kRSA) {
911         *pname = "rsa";
912         return SSL_kRSA;
913     }
914     if (alg_k & SSL_kDHE) {
915         *pname = "DHE";
916         return SSL_kDHE;
917     }
918     if (alg_k & SSL_kECDHE) {
919         *pname = "ECDHE";
920         return SSL_kECDHE;
921     }
922     if (alg_k & SSL_kPSK) {
923         *pname = "PSK";
924         return SSL_kPSK;
925     }
926     if (alg_k & SSL_kRSAPSK) {
927         *pname = "RSAPSK";
928         return SSL_kRSAPSK;
929     }
930     if (alg_k & SSL_kDHEPSK) {
931         *pname = "DHEPSK";
932         return SSL_kDHEPSK;
933     }
934     if (alg_k & SSL_kECDHEPSK) {
935         *pname = "ECDHEPSK";
936         return SSL_kECDHEPSK;
937     }
938     if (alg_k & SSL_kSRP) {
939         *pname = "SRP";
940         return SSL_kSRP;
941     }
942     if (alg_k & SSL_kGOST) {
943         *pname = "GOST";
944         return SSL_kGOST;
945     }
946     *pname = "UNKNOWN";
947     return 0;
948 }
949
950 static int ssl_print_client_keyex(BIO *bio, int indent, SSL *ssl,
951                                   const unsigned char *msg, size_t msglen)
952 {
953     const char *algname;
954     int id;
955     id = ssl_get_keyex(&algname, ssl);
956     BIO_indent(bio, indent, 80);
957     BIO_printf(bio, "KeyExchangeAlgorithm=%s\n", algname);
958     if (id & SSL_PSK) {
959         if (!ssl_print_hexbuf(bio, indent + 2,
960                               "psk_identity", 2, &msg, &msglen))
961             return 0;
962     }
963     switch (id) {
964
965     case SSL_kRSA:
966     case SSL_kRSAPSK:
967         if (TLS1_get_version(ssl) == SSL3_VERSION) {
968             ssl_print_hex(bio, indent + 2,
969                           "EncyptedPreMasterSecret", msg, msglen);
970         } else {
971             if (!ssl_print_hexbuf(bio, indent + 2,
972                                   "EncyptedPreMasterSecret", 2, &msg, &msglen))
973                 return 0;
974         }
975         break;
976
977     case SSL_kDHE:
978     case SSL_kDHEPSK:
979         if (!ssl_print_hexbuf(bio, indent + 2, "dh_Yc", 2, &msg, &msglen))
980             return 0;
981         break;
982
983     case SSL_kECDHE:
984     case SSL_kECDHEPSK:
985         if (!ssl_print_hexbuf(bio, indent + 2, "ecdh_Yc", 1, &msg, &msglen))
986             return 0;
987         break;
988
989     }
990
991     return !msglen;
992 }
993
994 static int ssl_print_server_keyex(BIO *bio, int indent, SSL *ssl,
995                                   const unsigned char *msg, size_t msglen)
996 {
997     const char *algname;
998     int id;
999     id = ssl_get_keyex(&algname, ssl);
1000     BIO_indent(bio, indent, 80);
1001     BIO_printf(bio, "KeyExchangeAlgorithm=%s\n", algname);
1002     if (id & SSL_PSK) {
1003         if (!ssl_print_hexbuf(bio, indent + 2,
1004                               "psk_identity_hint", 2, &msg, &msglen))
1005             return 0;
1006     }
1007     switch (id) {
1008     case SSL_kRSA:
1009
1010         if (!ssl_print_hexbuf(bio, indent + 2, "rsa_modulus", 2, &msg, &msglen))
1011             return 0;
1012         if (!ssl_print_hexbuf(bio, indent + 2, "rsa_exponent", 2,
1013                               &msg, &msglen))
1014             return 0;
1015         break;
1016
1017     case SSL_kDHE:
1018     case SSL_kDHEPSK:
1019         if (!ssl_print_hexbuf(bio, indent + 2, "dh_p", 2, &msg, &msglen))
1020             return 0;
1021         if (!ssl_print_hexbuf(bio, indent + 2, "dh_g", 2, &msg, &msglen))
1022             return 0;
1023         if (!ssl_print_hexbuf(bio, indent + 2, "dh_Ys", 2, &msg, &msglen))
1024             return 0;
1025         break;
1026
1027 # ifndef OPENSSL_NO_EC
1028     case SSL_kECDHE:
1029     case SSL_kECDHEPSK:
1030         if (msglen < 1)
1031             return 0;
1032         BIO_indent(bio, indent + 2, 80);
1033         if (msg[0] == EXPLICIT_PRIME_CURVE_TYPE)
1034             BIO_puts(bio, "explicit_prime\n");
1035         else if (msg[0] == EXPLICIT_CHAR2_CURVE_TYPE)
1036             BIO_puts(bio, "explicit_char2\n");
1037         else if (msg[0] == NAMED_CURVE_TYPE) {
1038             int curve;
1039             if (msglen < 3)
1040                 return 0;
1041             curve = (msg[1] << 8) | msg[2];
1042             BIO_printf(bio, "named_curve: %s (%d)\n",
1043                        ssl_trace_str(curve, ssl_groups_tbl), curve);
1044             msg += 3;
1045             msglen -= 3;
1046             if (!ssl_print_hexbuf(bio, indent + 2, "point", 1, &msg, &msglen))
1047                 return 0;
1048         } else {
1049             BIO_printf(bio, "UNKNOWN CURVE PARAMETER TYPE %d\n", msg[0]);
1050             return 0;
1051         }
1052         break;
1053 # endif
1054
1055     case SSL_kPSK:
1056     case SSL_kRSAPSK:
1057         break;
1058     }
1059     if (!(id & SSL_PSK))
1060         ssl_print_signature(bio, indent, ssl, &msg, &msglen);
1061     return !msglen;
1062 }
1063
1064 static int ssl_print_certificate(BIO *bio, int indent,
1065                                  const unsigned char **pmsg, size_t *pmsglen)
1066 {
1067     size_t msglen = *pmsglen;
1068     size_t clen;
1069     X509 *x;
1070     const unsigned char *p = *pmsg, *q;
1071     if (msglen < 3)
1072         return 0;
1073     clen = (p[0] << 16) | (p[1] << 8) | p[2];
1074     if (msglen < clen + 3)
1075         return 0;
1076     q = p + 3;
1077     BIO_indent(bio, indent, 80);
1078     BIO_printf(bio, "ASN.1Cert, length=%d", (int)clen);
1079     x = d2i_X509(NULL, &q, clen);
1080     if (!x)
1081         BIO_puts(bio, "<UNPARSEABLE CERTIFICATE>\n");
1082     else {
1083         BIO_puts(bio, "\n------details-----\n");
1084         X509_print_ex(bio, x, XN_FLAG_ONELINE, 0);
1085         PEM_write_bio_X509(bio, x);
1086         /* Print certificate stuff */
1087         BIO_puts(bio, "------------------\n");
1088         X509_free(x);
1089     }
1090     if (q != p + 3 + clen) {
1091         BIO_puts(bio, "<TRAILING GARBAGE AFTER CERTIFICATE>\n");
1092     }
1093     *pmsg += clen + 3;
1094     *pmsglen -= clen + 3;
1095     return 1;
1096 }
1097
1098 static int ssl_print_certificates(BIO *bio, SSL *s, int server, int indent,
1099                                   const unsigned char *msg, size_t msglen)
1100 {
1101     size_t clen;
1102
1103     if (SSL_IS_TLS13(s)
1104             && !ssl_print_hexbuf(bio, indent, "context", 1, &msg, &msglen))
1105         return 0;
1106
1107     if (msglen < 3)
1108         return 0;
1109     clen = (msg[0] << 16) | (msg[1] << 8) | msg[2];
1110     if (msglen != clen + 3)
1111         return 0;
1112     msg += 3;
1113     BIO_indent(bio, indent, 80);
1114     BIO_printf(bio, "certificate_list, length=%d\n", (int)clen);
1115     while (clen > 0) {
1116         if (!ssl_print_certificate(bio, indent + 2, &msg, &clen))
1117             return 0;
1118         if (!ssl_print_extensions(bio, indent + 2, server, &msg, &clen))
1119             return 0;
1120
1121     }
1122     return 1;
1123 }
1124
1125 static int ssl_print_cert_request(BIO *bio, int indent, SSL *s,
1126                                   const unsigned char *msg, size_t msglen)
1127 {
1128     size_t xlen;
1129     unsigned int sigalg;
1130
1131     if (msglen < 1)
1132         return 0;
1133     xlen = msg[0];
1134     if (msglen < xlen + 1)
1135         return 0;
1136     msg++;
1137     BIO_indent(bio, indent, 80);
1138     BIO_printf(bio, "certificate_types (len=%d)\n", (int)xlen);
1139     if (!ssl_trace_list(bio, indent + 2, msg, xlen, 1, ssl_ctype_tbl))
1140         return 0;
1141     msg += xlen;
1142     msglen -= xlen + 1;
1143     if (!SSL_USE_SIGALGS(s))
1144         goto skip_sig;
1145     if (msglen < 2)
1146         return 0;
1147     xlen = (msg[0] << 8) | msg[1];
1148     if (msglen < xlen + 2 || (xlen & 1))
1149         return 0;
1150     msg += 2;
1151     BIO_indent(bio, indent, 80);
1152     BIO_printf(bio, "signature_algorithms (len=%d)\n", (int)xlen);
1153     while (xlen > 0) {
1154         BIO_indent(bio, indent + 2, 80);
1155         sigalg = (msg[0] << 8) | msg[1];
1156         BIO_printf(bio, "%s (0x%04x)\n",
1157                    ssl_trace_str(sigalg, ssl_sigalg_tbl), sigalg);
1158         xlen -= 2;
1159         msg += 2;
1160     }
1161     msg += xlen;
1162     msglen -= xlen + 2;
1163
1164  skip_sig:
1165     xlen = (msg[0] << 8) | msg[1];
1166     BIO_indent(bio, indent, 80);
1167     if (msglen < xlen + 2)
1168         return 0;
1169     msg += 2;
1170     msglen -= 2;
1171     BIO_printf(bio, "certificate_authorities (len=%d)\n", (int)xlen);
1172     while (xlen > 0) {
1173         size_t dlen;
1174         X509_NAME *nm;
1175         const unsigned char *p;
1176         if (xlen < 2)
1177             return 0;
1178         dlen = (msg[0] << 8) | msg[1];
1179         if (xlen < dlen + 2)
1180             return 0;
1181         msg += 2;
1182         BIO_indent(bio, indent + 2, 80);
1183         BIO_printf(bio, "DistinguishedName (len=%d): ", (int)dlen);
1184         p = msg;
1185         nm = d2i_X509_NAME(NULL, &p, dlen);
1186         if (!nm) {
1187             BIO_puts(bio, "<UNPARSEABLE DN>\n");
1188         } else {
1189             X509_NAME_print_ex(bio, nm, 0, XN_FLAG_ONELINE);
1190             BIO_puts(bio, "\n");
1191             X509_NAME_free(nm);
1192         }
1193         xlen -= dlen + 2;
1194         msg += dlen;
1195     }
1196     return 1;
1197 }
1198
1199 static int ssl_print_ticket(BIO *bio, int indent,
1200                             const unsigned char *msg, size_t msglen)
1201 {
1202     unsigned int tick_life;
1203     if (msglen == 0) {
1204         BIO_indent(bio, indent + 2, 80);
1205         BIO_puts(bio, "No Ticket\n");
1206         return 1;
1207     }
1208     if (msglen < 4)
1209         return 0;
1210     tick_life = (msg[0] << 24) | (msg[1] << 16) | (msg[2] << 8) | msg[3];
1211     msglen -= 4;
1212     msg += 4;
1213     BIO_indent(bio, indent + 2, 80);
1214     BIO_printf(bio, "ticket_lifetime_hint=%u\n", tick_life);
1215     if (!ssl_print_hexbuf(bio, indent + 2, "ticket", 2, &msg, &msglen))
1216         return 0;
1217     if (msglen)
1218         return 0;
1219     return 1;
1220 }
1221
1222 static int ssl_print_handshake(BIO *bio, SSL *ssl, int server,
1223                                const unsigned char *msg, size_t msglen,
1224                                int indent)
1225 {
1226     size_t hlen;
1227     unsigned char htype;
1228     if (msglen < 4)
1229         return 0;
1230     htype = msg[0];
1231     hlen = (msg[1] << 16) | (msg[2] << 8) | msg[3];
1232     BIO_indent(bio, indent, 80);
1233     BIO_printf(bio, "%s, Length=%d\n",
1234                ssl_trace_str(htype, ssl_handshake_tbl), (int)hlen);
1235     msg += 4;
1236     msglen -= 4;
1237     if (SSL_IS_DTLS(ssl)) {
1238         if (msglen < 8)
1239             return 0;
1240         BIO_indent(bio, indent, 80);
1241         BIO_printf(bio, "message_seq=%d, fragment_offset=%d, "
1242                    "fragment_length=%d\n",
1243                    (msg[0] << 8) | msg[1],
1244                    (msg[2] << 16) | (msg[3] << 8) | msg[4],
1245                    (msg[5] << 16) | (msg[6] << 8) | msg[7]);
1246         msg += 8;
1247         msglen -= 8;
1248     }
1249     if (msglen < hlen)
1250         return 0;
1251     switch (htype) {
1252     case SSL3_MT_CLIENT_HELLO:
1253         if (!ssl_print_client_hello(bio, ssl, indent + 2, msg, msglen))
1254             return 0;
1255         break;
1256
1257     case DTLS1_MT_HELLO_VERIFY_REQUEST:
1258         if (!dtls_print_hello_vfyrequest(bio, indent + 2, msg, msglen))
1259             return 0;
1260         break;
1261
1262     case SSL3_MT_SERVER_HELLO:
1263         if (!ssl_print_server_hello(bio, indent + 2, msg, msglen))
1264             return 0;
1265         break;
1266
1267     case SSL3_MT_SERVER_KEY_EXCHANGE:
1268         if (!ssl_print_server_keyex(bio, indent + 2, ssl, msg, msglen))
1269             return 0;
1270         break;
1271
1272     case SSL3_MT_CLIENT_KEY_EXCHANGE:
1273         if (!ssl_print_client_keyex(bio, indent + 2, ssl, msg, msglen))
1274             return 0;
1275         break;
1276
1277     case SSL3_MT_CERTIFICATE:
1278         if (!ssl_print_certificates(bio, ssl, server, indent + 2, msg, msglen))
1279             return 0;
1280         break;
1281
1282     case SSL3_MT_CERTIFICATE_VERIFY:
1283         if (!ssl_print_signature(bio, indent + 2, ssl, &msg, &msglen))
1284             return 0;
1285         break;
1286
1287     case SSL3_MT_CERTIFICATE_REQUEST:
1288         if (!ssl_print_cert_request(bio, indent + 2, ssl, msg, msglen))
1289             return 0;
1290         break;
1291
1292     case SSL3_MT_FINISHED:
1293         ssl_print_hex(bio, indent + 2, "verify_data", msg, msglen);
1294         break;
1295
1296     case SSL3_MT_SERVER_DONE:
1297         if (msglen != 0)
1298             ssl_print_hex(bio, indent + 2, "unexpected value", msg, msglen);
1299         break;
1300
1301     case SSL3_MT_NEWSESSION_TICKET:
1302         if (!ssl_print_ticket(bio, indent + 2, msg, msglen))
1303             return 0;
1304         break;
1305
1306     case SSL3_MT_ENCRYPTED_EXTENSIONS:
1307         if (!ssl_print_extensions(bio, indent + 2, 1, &msg, &msglen))
1308             return 0;
1309         break;
1310
1311     default:
1312         BIO_indent(bio, indent + 2, 80);
1313         BIO_puts(bio, "Unsupported, hex dump follows:\n");
1314         BIO_dump_indent(bio, (const char *)msg, msglen, indent + 4);
1315     }
1316     return 1;
1317 }
1318
1319 const char *SSL_CIPHER_standard_name(const SSL_CIPHER *c)
1320 {
1321     return ssl_trace_str(c->id & 0xFFFF, ssl_ciphers_tbl);
1322 }
1323
1324 void SSL_trace(int write_p, int version, int content_type,
1325                const void *buf, size_t msglen, SSL *ssl, void *arg)
1326 {
1327     const unsigned char *msg = buf;
1328     BIO *bio = arg;
1329
1330     if (write_p == 2) {
1331         BIO_puts(bio, "Session ");
1332         ssl_print_hex(bio, 0,
1333                       ssl_trace_str(content_type, ssl_crypto_tbl), msg, msglen);
1334         return;
1335     }
1336     switch (content_type) {
1337     case SSL3_RT_HEADER:
1338         {
1339             int hvers = msg[1] << 8 | msg[2];
1340             BIO_puts(bio, write_p ? "Sent" : "Received");
1341             BIO_printf(bio, " Record\nHeader:\n  Version = %s (0x%x)\n",
1342                        ssl_trace_str(hvers, ssl_version_tbl), hvers);
1343             if (SSL_IS_DTLS(ssl)) {
1344                 BIO_printf(bio,
1345                            "  epoch=%d, sequence_number=%04x%04x%04x\n",
1346                            (msg[3] << 8 | msg[4]),
1347                            (msg[5] << 8 | msg[6]),
1348                            (msg[7] << 8 | msg[8]), (msg[9] << 8 | msg[10]));
1349             }
1350
1351             BIO_printf(bio, "  Content Type = %s (%d)\n  Length = %d",
1352                        ssl_trace_str(msg[0], ssl_content_tbl), msg[0],
1353                        msg[msglen - 2] << 8 | msg[msglen - 1]);
1354         }
1355         break;
1356     case SSL3_RT_HANDSHAKE:
1357         if (!ssl_print_handshake(bio, ssl, ssl->server ? write_p : !write_p,
1358                                  msg, msglen, 4))
1359             BIO_printf(bio, "Message length parse error!\n");
1360         break;
1361
1362     case SSL3_RT_CHANGE_CIPHER_SPEC:
1363         if (msglen == 1 && msg[0] == 1)
1364             BIO_puts(bio, "    change_cipher_spec (1)\n");
1365         else
1366             ssl_print_hex(bio, 4, "unknown value", msg, msglen);
1367         break;
1368
1369     case SSL3_RT_ALERT:
1370         if (msglen != 2)
1371             BIO_puts(bio, "    Illegal Alert Length\n");
1372         else {
1373             BIO_printf(bio, "    Level=%s(%d), description=%s(%d)\n",
1374                        SSL_alert_type_string_long(msg[0] << 8),
1375                        msg[0], SSL_alert_desc_string_long(msg[1]), msg[1]);
1376         }
1377
1378     }
1379
1380     BIO_puts(bio, "\n");
1381 }
1382
1383 #endif