Send and Receive a TLSv1.3 format ServerHello
[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_CERTIFICATE_STATUS, "CertificateStatus"}
96 };
97
98 /* Cipher suites */
99 static ssl_trace_tbl ssl_ciphers_tbl[] = {
100     {0x0000, "SSL_NULL_WITH_NULL_NULL"},
101     {0x0001, "SSL_RSA_WITH_NULL_MD5"},
102     {0x0002, "SSL_RSA_WITH_NULL_SHA"},
103     {0x0003, "SSL_RSA_EXPORT_WITH_RC4_40_MD5"},
104     {0x0004, "SSL_RSA_WITH_RC4_128_MD5"},
105     {0x0005, "SSL_RSA_WITH_RC4_128_SHA"},
106     {0x0006, "SSL_RSA_EXPORT_WITH_RC2_CBC_40_MD5"},
107     {0x0007, "SSL_RSA_WITH_IDEA_CBC_SHA"},
108     {0x0008, "SSL_RSA_EXPORT_WITH_DES40_CBC_SHA"},
109     {0x0009, "SSL_RSA_WITH_DES_CBC_SHA"},
110     {0x000A, "SSL_RSA_WITH_3DES_EDE_CBC_SHA"},
111     {0x000B, "SSL_DH_DSS_EXPORT_WITH_DES40_CBC_SHA"},
112     {0x000C, "SSL_DH_DSS_WITH_DES_CBC_SHA"},
113     {0x000D, "SSL_DH_DSS_WITH_3DES_EDE_CBC_SHA"},
114     {0x000E, "SSL_DH_RSA_EXPORT_WITH_DES40_CBC_SHA"},
115     {0x000F, "SSL_DH_RSA_WITH_DES_CBC_SHA"},
116     {0x0010, "SSL_DH_RSA_WITH_3DES_EDE_CBC_SHA"},
117     {0x0011, "SSL_DHE_DSS_EXPORT_WITH_DES40_CBC_SHA"},
118     {0x0012, "SSL_DHE_DSS_WITH_DES_CBC_SHA"},
119     {0x0013, "SSL_DHE_DSS_WITH_3DES_EDE_CBC_SHA"},
120     {0x0014, "SSL_DHE_RSA_EXPORT_WITH_DES40_CBC_SHA"},
121     {0x0015, "SSL_DHE_RSA_WITH_DES_CBC_SHA"},
122     {0x0016, "SSL_DHE_RSA_WITH_3DES_EDE_CBC_SHA"},
123     {0x0017, "SSL_DH_anon_EXPORT_WITH_RC4_40_MD5"},
124     {0x0018, "SSL_DH_anon_WITH_RC4_128_MD5"},
125     {0x0019, "SSL_DH_anon_EXPORT_WITH_DES40_CBC_SHA"},
126     {0x001A, "SSL_DH_anon_WITH_DES_CBC_SHA"},
127     {0x001B, "SSL_DH_anon_WITH_3DES_EDE_CBC_SHA"},
128     {0x001D, "SSL_FORTEZZA_KEA_WITH_FORTEZZA_CBC_SHA"},
129     {0x001E, "SSL_FORTEZZA_KEA_WITH_RC4_128_SHA"},
130     {0x001F, "TLS_KRB5_WITH_3DES_EDE_CBC_SHA"},
131     {0x0020, "TLS_KRB5_WITH_RC4_128_SHA"},
132     {0x0021, "TLS_KRB5_WITH_IDEA_CBC_SHA"},
133     {0x0022, "TLS_KRB5_WITH_DES_CBC_MD5"},
134     {0x0023, "TLS_KRB5_WITH_3DES_EDE_CBC_MD5"},
135     {0x0024, "TLS_KRB5_WITH_RC4_128_MD5"},
136     {0x0025, "TLS_KRB5_WITH_IDEA_CBC_MD5"},
137     {0x0026, "TLS_KRB5_EXPORT_WITH_DES_CBC_40_SHA"},
138     {0x0027, "TLS_KRB5_EXPORT_WITH_RC2_CBC_40_SHA"},
139     {0x0028, "TLS_KRB5_EXPORT_WITH_RC4_40_SHA"},
140     {0x0029, "TLS_KRB5_EXPORT_WITH_DES_CBC_40_MD5"},
141     {0x002A, "TLS_KRB5_EXPORT_WITH_RC2_CBC_40_MD5"},
142     {0x002B, "TLS_KRB5_EXPORT_WITH_RC4_40_MD5"},
143     {0x002C, "TLS_PSK_WITH_NULL_SHA"},
144     {0x002D, "TLS_DHE_PSK_WITH_NULL_SHA"},
145     {0x002E, "TLS_RSA_PSK_WITH_NULL_SHA"},
146     {0x002F, "TLS_RSA_WITH_AES_128_CBC_SHA"},
147     {0x0030, "TLS_DH_DSS_WITH_AES_128_CBC_SHA"},
148     {0x0031, "TLS_DH_RSA_WITH_AES_128_CBC_SHA"},
149     {0x0032, "TLS_DHE_DSS_WITH_AES_128_CBC_SHA"},
150     {0x0033, "TLS_DHE_RSA_WITH_AES_128_CBC_SHA"},
151     {0x0034, "TLS_DH_anon_WITH_AES_128_CBC_SHA"},
152     {0x0035, "TLS_RSA_WITH_AES_256_CBC_SHA"},
153     {0x0036, "TLS_DH_DSS_WITH_AES_256_CBC_SHA"},
154     {0x0037, "TLS_DH_RSA_WITH_AES_256_CBC_SHA"},
155     {0x0038, "TLS_DHE_DSS_WITH_AES_256_CBC_SHA"},
156     {0x0039, "TLS_DHE_RSA_WITH_AES_256_CBC_SHA"},
157     {0x003A, "TLS_DH_anon_WITH_AES_256_CBC_SHA"},
158     {0x003B, "TLS_RSA_WITH_NULL_SHA256"},
159     {0x003C, "TLS_RSA_WITH_AES_128_CBC_SHA256"},
160     {0x003D, "TLS_RSA_WITH_AES_256_CBC_SHA256"},
161     {0x003E, "TLS_DH_DSS_WITH_AES_128_CBC_SHA256"},
162     {0x003F, "TLS_DH_RSA_WITH_AES_128_CBC_SHA256"},
163     {0x0040, "TLS_DHE_DSS_WITH_AES_128_CBC_SHA256"},
164     {0x0041, "TLS_RSA_WITH_CAMELLIA_128_CBC_SHA"},
165     {0x0042, "TLS_DH_DSS_WITH_CAMELLIA_128_CBC_SHA"},
166     {0x0043, "TLS_DH_RSA_WITH_CAMELLIA_128_CBC_SHA"},
167     {0x0044, "TLS_DHE_DSS_WITH_CAMELLIA_128_CBC_SHA"},
168     {0x0045, "TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA"},
169     {0x0046, "TLS_DH_anon_WITH_CAMELLIA_128_CBC_SHA"},
170     {0x0067, "TLS_DHE_RSA_WITH_AES_128_CBC_SHA256"},
171     {0x0068, "TLS_DH_DSS_WITH_AES_256_CBC_SHA256"},
172     {0x0069, "TLS_DH_RSA_WITH_AES_256_CBC_SHA256"},
173     {0x006A, "TLS_DHE_DSS_WITH_AES_256_CBC_SHA256"},
174     {0x006B, "TLS_DHE_RSA_WITH_AES_256_CBC_SHA256"},
175     {0x006C, "TLS_DH_anon_WITH_AES_128_CBC_SHA256"},
176     {0x006D, "TLS_DH_anon_WITH_AES_256_CBC_SHA256"},
177     {0x0084, "TLS_RSA_WITH_CAMELLIA_256_CBC_SHA"},
178     {0x0085, "TLS_DH_DSS_WITH_CAMELLIA_256_CBC_SHA"},
179     {0x0086, "TLS_DH_RSA_WITH_CAMELLIA_256_CBC_SHA"},
180     {0x0087, "TLS_DHE_DSS_WITH_CAMELLIA_256_CBC_SHA"},
181     {0x0088, "TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA"},
182     {0x0089, "TLS_DH_anon_WITH_CAMELLIA_256_CBC_SHA"},
183     {0x008A, "TLS_PSK_WITH_RC4_128_SHA"},
184     {0x008B, "TLS_PSK_WITH_3DES_EDE_CBC_SHA"},
185     {0x008C, "TLS_PSK_WITH_AES_128_CBC_SHA"},
186     {0x008D, "TLS_PSK_WITH_AES_256_CBC_SHA"},
187     {0x008E, "TLS_DHE_PSK_WITH_RC4_128_SHA"},
188     {0x008F, "TLS_DHE_PSK_WITH_3DES_EDE_CBC_SHA"},
189     {0x0090, "TLS_DHE_PSK_WITH_AES_128_CBC_SHA"},
190     {0x0091, "TLS_DHE_PSK_WITH_AES_256_CBC_SHA"},
191     {0x0092, "TLS_RSA_PSK_WITH_RC4_128_SHA"},
192     {0x0093, "TLS_RSA_PSK_WITH_3DES_EDE_CBC_SHA"},
193     {0x0094, "TLS_RSA_PSK_WITH_AES_128_CBC_SHA"},
194     {0x0095, "TLS_RSA_PSK_WITH_AES_256_CBC_SHA"},
195     {0x0096, "TLS_RSA_WITH_SEED_CBC_SHA"},
196     {0x0097, "TLS_DH_DSS_WITH_SEED_CBC_SHA"},
197     {0x0098, "TLS_DH_RSA_WITH_SEED_CBC_SHA"},
198     {0x0099, "TLS_DHE_DSS_WITH_SEED_CBC_SHA"},
199     {0x009A, "TLS_DHE_RSA_WITH_SEED_CBC_SHA"},
200     {0x009B, "TLS_DH_anon_WITH_SEED_CBC_SHA"},
201     {0x009C, "TLS_RSA_WITH_AES_128_GCM_SHA256"},
202     {0x009D, "TLS_RSA_WITH_AES_256_GCM_SHA384"},
203     {0x009E, "TLS_DHE_RSA_WITH_AES_128_GCM_SHA256"},
204     {0x009F, "TLS_DHE_RSA_WITH_AES_256_GCM_SHA384"},
205     {0x00A0, "TLS_DH_RSA_WITH_AES_128_GCM_SHA256"},
206     {0x00A1, "TLS_DH_RSA_WITH_AES_256_GCM_SHA384"},
207     {0x00A2, "TLS_DHE_DSS_WITH_AES_128_GCM_SHA256"},
208     {0x00A3, "TLS_DHE_DSS_WITH_AES_256_GCM_SHA384"},
209     {0x00A4, "TLS_DH_DSS_WITH_AES_128_GCM_SHA256"},
210     {0x00A5, "TLS_DH_DSS_WITH_AES_256_GCM_SHA384"},
211     {0x00A6, "TLS_DH_anon_WITH_AES_128_GCM_SHA256"},
212     {0x00A7, "TLS_DH_anon_WITH_AES_256_GCM_SHA384"},
213     {0x00A8, "TLS_PSK_WITH_AES_128_GCM_SHA256"},
214     {0x00A9, "TLS_PSK_WITH_AES_256_GCM_SHA384"},
215     {0x00AA, "TLS_DHE_PSK_WITH_AES_128_GCM_SHA256"},
216     {0x00AB, "TLS_DHE_PSK_WITH_AES_256_GCM_SHA384"},
217     {0x00AC, "TLS_RSA_PSK_WITH_AES_128_GCM_SHA256"},
218     {0x00AD, "TLS_RSA_PSK_WITH_AES_256_GCM_SHA384"},
219     {0x00AE, "TLS_PSK_WITH_AES_128_CBC_SHA256"},
220     {0x00AF, "TLS_PSK_WITH_AES_256_CBC_SHA384"},
221     {0x00B0, "TLS_PSK_WITH_NULL_SHA256"},
222     {0x00B1, "TLS_PSK_WITH_NULL_SHA384"},
223     {0x00B2, "TLS_DHE_PSK_WITH_AES_128_CBC_SHA256"},
224     {0x00B3, "TLS_DHE_PSK_WITH_AES_256_CBC_SHA384"},
225     {0x00B4, "TLS_DHE_PSK_WITH_NULL_SHA256"},
226     {0x00B5, "TLS_DHE_PSK_WITH_NULL_SHA384"},
227     {0x00B6, "TLS_RSA_PSK_WITH_AES_128_CBC_SHA256"},
228     {0x00B7, "TLS_RSA_PSK_WITH_AES_256_CBC_SHA384"},
229     {0x00B8, "TLS_RSA_PSK_WITH_NULL_SHA256"},
230     {0x00B9, "TLS_RSA_PSK_WITH_NULL_SHA384"},
231     {0x00BA, "TLS_RSA_WITH_CAMELLIA_128_CBC_SHA256"},
232     {0x00BB, "TLS_DH_DSS_WITH_CAMELLIA_128_CBC_SHA256"},
233     {0x00BC, "TLS_DH_RSA_WITH_CAMELLIA_128_CBC_SHA256"},
234     {0x00BD, "TLS_DHE_DSS_WITH_CAMELLIA_128_CBC_SHA256"},
235     {0x00BE, "TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA256"},
236     {0x00BF, "TLS_DH_anon_WITH_CAMELLIA_128_CBC_SHA256"},
237     {0x00C0, "TLS_RSA_WITH_CAMELLIA_256_CBC_SHA256"},
238     {0x00C1, "TLS_DH_DSS_WITH_CAMELLIA_256_CBC_SHA256"},
239     {0x00C2, "TLS_DH_RSA_WITH_CAMELLIA_256_CBC_SHA256"},
240     {0x00C3, "TLS_DHE_DSS_WITH_CAMELLIA_256_CBC_SHA256"},
241     {0x00C4, "TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA256"},
242     {0x00C5, "TLS_DH_anon_WITH_CAMELLIA_256_CBC_SHA256"},
243     {0x00FF, "TLS_EMPTY_RENEGOTIATION_INFO_SCSV"},
244     {0x5600, "TLS_FALLBACK_SCSV"},
245     {0xC001, "TLS_ECDH_ECDSA_WITH_NULL_SHA"},
246     {0xC002, "TLS_ECDH_ECDSA_WITH_RC4_128_SHA"},
247     {0xC003, "TLS_ECDH_ECDSA_WITH_3DES_EDE_CBC_SHA"},
248     {0xC004, "TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA"},
249     {0xC005, "TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA"},
250     {0xC006, "TLS_ECDHE_ECDSA_WITH_NULL_SHA"},
251     {0xC007, "TLS_ECDHE_ECDSA_WITH_RC4_128_SHA"},
252     {0xC008, "TLS_ECDHE_ECDSA_WITH_3DES_EDE_CBC_SHA"},
253     {0xC009, "TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA"},
254     {0xC00A, "TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA"},
255     {0xC00B, "TLS_ECDH_RSA_WITH_NULL_SHA"},
256     {0xC00C, "TLS_ECDH_RSA_WITH_RC4_128_SHA"},
257     {0xC00D, "TLS_ECDH_RSA_WITH_3DES_EDE_CBC_SHA"},
258     {0xC00E, "TLS_ECDH_RSA_WITH_AES_128_CBC_SHA"},
259     {0xC00F, "TLS_ECDH_RSA_WITH_AES_256_CBC_SHA"},
260     {0xC010, "TLS_ECDHE_RSA_WITH_NULL_SHA"},
261     {0xC011, "TLS_ECDHE_RSA_WITH_RC4_128_SHA"},
262     {0xC012, "TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA"},
263     {0xC013, "TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA"},
264     {0xC014, "TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA"},
265     {0xC015, "TLS_ECDH_anon_WITH_NULL_SHA"},
266     {0xC016, "TLS_ECDH_anon_WITH_RC4_128_SHA"},
267     {0xC017, "TLS_ECDH_anon_WITH_3DES_EDE_CBC_SHA"},
268     {0xC018, "TLS_ECDH_anon_WITH_AES_128_CBC_SHA"},
269     {0xC019, "TLS_ECDH_anon_WITH_AES_256_CBC_SHA"},
270     {0xC01A, "TLS_SRP_SHA_WITH_3DES_EDE_CBC_SHA"},
271     {0xC01B, "TLS_SRP_SHA_RSA_WITH_3DES_EDE_CBC_SHA"},
272     {0xC01C, "TLS_SRP_SHA_DSS_WITH_3DES_EDE_CBC_SHA"},
273     {0xC01D, "TLS_SRP_SHA_WITH_AES_128_CBC_SHA"},
274     {0xC01E, "TLS_SRP_SHA_RSA_WITH_AES_128_CBC_SHA"},
275     {0xC01F, "TLS_SRP_SHA_DSS_WITH_AES_128_CBC_SHA"},
276     {0xC020, "TLS_SRP_SHA_WITH_AES_256_CBC_SHA"},
277     {0xC021, "TLS_SRP_SHA_RSA_WITH_AES_256_CBC_SHA"},
278     {0xC022, "TLS_SRP_SHA_DSS_WITH_AES_256_CBC_SHA"},
279     {0xC023, "TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256"},
280     {0xC024, "TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384"},
281     {0xC025, "TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA256"},
282     {0xC026, "TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA384"},
283     {0xC027, "TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256"},
284     {0xC028, "TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384"},
285     {0xC029, "TLS_ECDH_RSA_WITH_AES_128_CBC_SHA256"},
286     {0xC02A, "TLS_ECDH_RSA_WITH_AES_256_CBC_SHA384"},
287     {0xC02B, "TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256"},
288     {0xC02C, "TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384"},
289     {0xC02D, "TLS_ECDH_ECDSA_WITH_AES_128_GCM_SHA256"},
290     {0xC02E, "TLS_ECDH_ECDSA_WITH_AES_256_GCM_SHA384"},
291     {0xC02F, "TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256"},
292     {0xC030, "TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384"},
293     {0xC031, "TLS_ECDH_RSA_WITH_AES_128_GCM_SHA256"},
294     {0xC032, "TLS_ECDH_RSA_WITH_AES_256_GCM_SHA384"},
295     {0xC033, "TLS_ECDHE_PSK_WITH_RC4_128_SHA"},
296     {0xC034, "TLS_ECDHE_PSK_WITH_3DES_EDE_CBC_SHA"},
297     {0xC035, "TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA"},
298     {0xC036, "TLS_ECDHE_PSK_WITH_AES_256_CBC_SHA"},
299     {0xC037, "TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA256"},
300     {0xC038, "TLS_ECDHE_PSK_WITH_AES_256_CBC_SHA384"},
301     {0xC039, "TLS_ECDHE_PSK_WITH_NULL_SHA"},
302     {0xC03A, "TLS_ECDHE_PSK_WITH_NULL_SHA256"},
303     {0xC03B, "TLS_ECDHE_PSK_WITH_NULL_SHA384"},
304     {0xC03C, "TLS_RSA_WITH_ARIA_128_CBC_SHA256"},
305     {0xC03D, "TLS_RSA_WITH_ARIA_256_CBC_SHA384"},
306     {0xC03E, "TLS_DH_DSS_WITH_ARIA_128_CBC_SHA256"},
307     {0xC03F, "TLS_DH_DSS_WITH_ARIA_256_CBC_SHA384"},
308     {0xC040, "TLS_DH_RSA_WITH_ARIA_128_CBC_SHA256"},
309     {0xC041, "TLS_DH_RSA_WITH_ARIA_256_CBC_SHA384"},
310     {0xC042, "TLS_DHE_DSS_WITH_ARIA_128_CBC_SHA256"},
311     {0xC043, "TLS_DHE_DSS_WITH_ARIA_256_CBC_SHA384"},
312     {0xC044, "TLS_DHE_RSA_WITH_ARIA_128_CBC_SHA256"},
313     {0xC045, "TLS_DHE_RSA_WITH_ARIA_256_CBC_SHA384"},
314     {0xC046, "TLS_DH_anon_WITH_ARIA_128_CBC_SHA256"},
315     {0xC047, "TLS_DH_anon_WITH_ARIA_256_CBC_SHA384"},
316     {0xC048, "TLS_ECDHE_ECDSA_WITH_ARIA_128_CBC_SHA256"},
317     {0xC049, "TLS_ECDHE_ECDSA_WITH_ARIA_256_CBC_SHA384"},
318     {0xC04A, "TLS_ECDH_ECDSA_WITH_ARIA_128_CBC_SHA256"},
319     {0xC04B, "TLS_ECDH_ECDSA_WITH_ARIA_256_CBC_SHA384"},
320     {0xC04C, "TLS_ECDHE_RSA_WITH_ARIA_128_CBC_SHA256"},
321     {0xC04D, "TLS_ECDHE_RSA_WITH_ARIA_256_CBC_SHA384"},
322     {0xC04E, "TLS_ECDH_RSA_WITH_ARIA_128_CBC_SHA256"},
323     {0xC04F, "TLS_ECDH_RSA_WITH_ARIA_256_CBC_SHA384"},
324     {0xC050, "TLS_RSA_WITH_ARIA_128_GCM_SHA256"},
325     {0xC051, "TLS_RSA_WITH_ARIA_256_GCM_SHA384"},
326     {0xC052, "TLS_DHE_RSA_WITH_ARIA_128_GCM_SHA256"},
327     {0xC053, "TLS_DHE_RSA_WITH_ARIA_256_GCM_SHA384"},
328     {0xC054, "TLS_DH_RSA_WITH_ARIA_128_GCM_SHA256"},
329     {0xC055, "TLS_DH_RSA_WITH_ARIA_256_GCM_SHA384"},
330     {0xC056, "TLS_DHE_DSS_WITH_ARIA_128_GCM_SHA256"},
331     {0xC057, "TLS_DHE_DSS_WITH_ARIA_256_GCM_SHA384"},
332     {0xC058, "TLS_DH_DSS_WITH_ARIA_128_GCM_SHA256"},
333     {0xC059, "TLS_DH_DSS_WITH_ARIA_256_GCM_SHA384"},
334     {0xC05A, "TLS_DH_anon_WITH_ARIA_128_GCM_SHA256"},
335     {0xC05B, "TLS_DH_anon_WITH_ARIA_256_GCM_SHA384"},
336     {0xC05C, "TLS_ECDHE_ECDSA_WITH_ARIA_128_GCM_SHA256"},
337     {0xC05D, "TLS_ECDHE_ECDSA_WITH_ARIA_256_GCM_SHA384"},
338     {0xC05E, "TLS_ECDH_ECDSA_WITH_ARIA_128_GCM_SHA256"},
339     {0xC05F, "TLS_ECDH_ECDSA_WITH_ARIA_256_GCM_SHA384"},
340     {0xC060, "TLS_ECDHE_RSA_WITH_ARIA_128_GCM_SHA256"},
341     {0xC061, "TLS_ECDHE_RSA_WITH_ARIA_256_GCM_SHA384"},
342     {0xC062, "TLS_ECDH_RSA_WITH_ARIA_128_GCM_SHA256"},
343     {0xC063, "TLS_ECDH_RSA_WITH_ARIA_256_GCM_SHA384"},
344     {0xC064, "TLS_PSK_WITH_ARIA_128_CBC_SHA256"},
345     {0xC065, "TLS_PSK_WITH_ARIA_256_CBC_SHA384"},
346     {0xC066, "TLS_DHE_PSK_WITH_ARIA_128_CBC_SHA256"},
347     {0xC067, "TLS_DHE_PSK_WITH_ARIA_256_CBC_SHA384"},
348     {0xC068, "TLS_RSA_PSK_WITH_ARIA_128_CBC_SHA256"},
349     {0xC069, "TLS_RSA_PSK_WITH_ARIA_256_CBC_SHA384"},
350     {0xC06A, "TLS_PSK_WITH_ARIA_128_GCM_SHA256"},
351     {0xC06B, "TLS_PSK_WITH_ARIA_256_GCM_SHA384"},
352     {0xC06C, "TLS_DHE_PSK_WITH_ARIA_128_GCM_SHA256"},
353     {0xC06D, "TLS_DHE_PSK_WITH_ARIA_256_GCM_SHA384"},
354     {0xC06E, "TLS_RSA_PSK_WITH_ARIA_128_GCM_SHA256"},
355     {0xC06F, "TLS_RSA_PSK_WITH_ARIA_256_GCM_SHA384"},
356     {0xC070, "TLS_ECDHE_PSK_WITH_ARIA_128_CBC_SHA256"},
357     {0xC071, "TLS_ECDHE_PSK_WITH_ARIA_256_CBC_SHA384"},
358     {0xC072, "TLS_ECDHE_ECDSA_WITH_CAMELLIA_128_CBC_SHA256"},
359     {0xC073, "TLS_ECDHE_ECDSA_WITH_CAMELLIA_256_CBC_SHA384"},
360     {0xC074, "TLS_ECDH_ECDSA_WITH_CAMELLIA_128_CBC_SHA256"},
361     {0xC075, "TLS_ECDH_ECDSA_WITH_CAMELLIA_256_CBC_SHA384"},
362     {0xC076, "TLS_ECDHE_RSA_WITH_CAMELLIA_128_CBC_SHA256"},
363     {0xC077, "TLS_ECDHE_RSA_WITH_CAMELLIA_256_CBC_SHA384"},
364     {0xC078, "TLS_ECDH_RSA_WITH_CAMELLIA_128_CBC_SHA256"},
365     {0xC079, "TLS_ECDH_RSA_WITH_CAMELLIA_256_CBC_SHA384"},
366     {0xC07A, "TLS_RSA_WITH_CAMELLIA_128_GCM_SHA256"},
367     {0xC07B, "TLS_RSA_WITH_CAMELLIA_256_GCM_SHA384"},
368     {0xC07C, "TLS_DHE_RSA_WITH_CAMELLIA_128_GCM_SHA256"},
369     {0xC07D, "TLS_DHE_RSA_WITH_CAMELLIA_256_GCM_SHA384"},
370     {0xC07E, "TLS_DH_RSA_WITH_CAMELLIA_128_GCM_SHA256"},
371     {0xC07F, "TLS_DH_RSA_WITH_CAMELLIA_256_GCM_SHA384"},
372     {0xC080, "TLS_DHE_DSS_WITH_CAMELLIA_128_GCM_SHA256"},
373     {0xC081, "TLS_DHE_DSS_WITH_CAMELLIA_256_GCM_SHA384"},
374     {0xC082, "TLS_DH_DSS_WITH_CAMELLIA_128_GCM_SHA256"},
375     {0xC083, "TLS_DH_DSS_WITH_CAMELLIA_256_GCM_SHA384"},
376     {0xC084, "TLS_DH_anon_WITH_CAMELLIA_128_GCM_SHA256"},
377     {0xC085, "TLS_DH_anon_WITH_CAMELLIA_256_GCM_SHA384"},
378     {0xC086, "TLS_ECDHE_ECDSA_WITH_CAMELLIA_128_GCM_SHA256"},
379     {0xC087, "TLS_ECDHE_ECDSA_WITH_CAMELLIA_256_GCM_SHA384"},
380     {0xC088, "TLS_ECDH_ECDSA_WITH_CAMELLIA_128_GCM_SHA256"},
381     {0xC089, "TLS_ECDH_ECDSA_WITH_CAMELLIA_256_GCM_SHA384"},
382     {0xC08A, "TLS_ECDHE_RSA_WITH_CAMELLIA_128_GCM_SHA256"},
383     {0xC08B, "TLS_ECDHE_RSA_WITH_CAMELLIA_256_GCM_SHA384"},
384     {0xC08C, "TLS_ECDH_RSA_WITH_CAMELLIA_128_GCM_SHA256"},
385     {0xC08D, "TLS_ECDH_RSA_WITH_CAMELLIA_256_GCM_SHA384"},
386     {0xC08E, "TLS_PSK_WITH_CAMELLIA_128_GCM_SHA256"},
387     {0xC08F, "TLS_PSK_WITH_CAMELLIA_256_GCM_SHA384"},
388     {0xC090, "TLS_DHE_PSK_WITH_CAMELLIA_128_GCM_SHA256"},
389     {0xC091, "TLS_DHE_PSK_WITH_CAMELLIA_256_GCM_SHA384"},
390     {0xC092, "TLS_RSA_PSK_WITH_CAMELLIA_128_GCM_SHA256"},
391     {0xC093, "TLS_RSA_PSK_WITH_CAMELLIA_256_GCM_SHA384"},
392     {0xC094, "TLS_PSK_WITH_CAMELLIA_128_CBC_SHA256"},
393     {0xC095, "TLS_PSK_WITH_CAMELLIA_256_CBC_SHA384"},
394     {0xC096, "TLS_DHE_PSK_WITH_CAMELLIA_128_CBC_SHA256"},
395     {0xC097, "TLS_DHE_PSK_WITH_CAMELLIA_256_CBC_SHA384"},
396     {0xC098, "TLS_RSA_PSK_WITH_CAMELLIA_128_CBC_SHA256"},
397     {0xC099, "TLS_RSA_PSK_WITH_CAMELLIA_256_CBC_SHA384"},
398     {0xC09A, "TLS_ECDHE_PSK_WITH_CAMELLIA_128_CBC_SHA256"},
399     {0xC09B, "TLS_ECDHE_PSK_WITH_CAMELLIA_256_CBC_SHA384"},
400     {0xC09C, "TLS_RSA_WITH_AES_128_CCM"},
401     {0xC09D, "TLS_RSA_WITH_AES_256_CCM"},
402     {0xC09E, "TLS_DHE_RSA_WITH_AES_128_CCM"},
403     {0xC09F, "TLS_DHE_RSA_WITH_AES_256_CCM"},
404     {0xC0A0, "TLS_RSA_WITH_AES_128_CCM_8"},
405     {0xC0A1, "TLS_RSA_WITH_AES_256_CCM_8"},
406     {0xC0A2, "TLS_DHE_RSA_WITH_AES_128_CCM_8"},
407     {0xC0A3, "TLS_DHE_RSA_WITH_AES_256_CCM_8"},
408     {0xC0A4, "TLS_PSK_WITH_AES_128_CCM"},
409     {0xC0A5, "TLS_PSK_WITH_AES_256_CCM"},
410     {0xC0A6, "TLS_DHE_PSK_WITH_AES_128_CCM"},
411     {0xC0A7, "TLS_DHE_PSK_WITH_AES_256_CCM"},
412     {0xC0A8, "TLS_PSK_WITH_AES_128_CCM_8"},
413     {0xC0A9, "TLS_PSK_WITH_AES_256_CCM_8"},
414     {0xC0AA, "TLS_PSK_DHE_WITH_AES_128_CCM_8"},
415     {0xC0AB, "TLS_PSK_DHE_WITH_AES_256_CCM_8"},
416     {0xC0AC, "TLS_ECDHE_ECDSA_WITH_AES_128_CCM"},
417     {0xC0AD, "TLS_ECDHE_ECDSA_WITH_AES_256_CCM"},
418     {0xC0AE, "TLS_ECDHE_ECDSA_WITH_AES_128_CCM_8"},
419     {0xC0AF, "TLS_ECDHE_ECDSA_WITH_AES_256_CCM_8"},
420     {0xCCA8, "TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305"},
421     {0xCCA9, "TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305"},
422     {0xCCAA, "TLS_DHE_RSA_WITH_CHACHA20_POLY1305"},
423     {0xCCAB, "TLS_PSK_WITH_CHACHA20_POLY1305"},
424     {0xCCAC, "TLS_ECDHE_PSK_WITH_CHACHA20_POLY1305"},
425     {0xCCAD, "TLS_DHE_PSK_WITH_CHACHA20_POLY1305"},
426     {0xCCAE, "TLS_RSA_PSK_WITH_CHACHA20_POLY1305"},
427     {0x1301, "TLS_AES_128_GCM_SHA256"},
428     {0xFEFE, "SSL_RSA_FIPS_WITH_DES_CBC_SHA"},
429     {0xFEFF, "SSL_RSA_FIPS_WITH_3DES_EDE_CBC_SHA"},
430 };
431
432 /* Compression methods */
433 static ssl_trace_tbl ssl_comp_tbl[] = {
434     {0x0000, "No Compression"},
435     {0x0001, "Zlib Compression"}
436 };
437
438 /* Extensions */
439 static ssl_trace_tbl ssl_exts_tbl[] = {
440     {TLSEXT_TYPE_server_name, "server_name"},
441     {TLSEXT_TYPE_max_fragment_length, "max_fragment_length"},
442     {TLSEXT_TYPE_client_certificate_url, "client_certificate_url"},
443     {TLSEXT_TYPE_trusted_ca_keys, "trusted_ca_keys"},
444     {TLSEXT_TYPE_truncated_hmac, "truncated_hmac"},
445     {TLSEXT_TYPE_status_request, "status_request"},
446     {TLSEXT_TYPE_user_mapping, "user_mapping"},
447     {TLSEXT_TYPE_client_authz, "client_authz"},
448     {TLSEXT_TYPE_server_authz, "server_authz"},
449     {TLSEXT_TYPE_cert_type, "cert_type"},
450     {TLSEXT_TYPE_key_share, "key_share"},
451     {TLSEXT_TYPE_supported_groups, "supported_groups"},
452     {TLSEXT_TYPE_ec_point_formats, "ec_point_formats"},
453     {TLSEXT_TYPE_srp, "srp"},
454     {TLSEXT_TYPE_signature_algorithms, "signature_algorithms"},
455     {TLSEXT_TYPE_use_srtp, "use_srtp"},
456     {TLSEXT_TYPE_session_ticket, "session_ticket"},
457     {TLSEXT_TYPE_supported_versions, "supported_versions"},
458     {TLSEXT_TYPE_renegotiate, "renegotiate"},
459 # ifndef OPENSSL_NO_NEXTPROTONEG
460     {TLSEXT_TYPE_next_proto_neg, "next_proto_neg"},
461 # endif
462     {TLSEXT_TYPE_signed_certificate_timestamp, "signed_certificate_timestamps"},
463     {TLSEXT_TYPE_padding, "padding"},
464     {TLSEXT_TYPE_encrypt_then_mac, "encrypt_then_mac"},
465     {TLSEXT_TYPE_extended_master_secret, "extended_master_secret"}
466 };
467
468 static ssl_trace_tbl ssl_groups_tbl[] = {
469     {1, "sect163k1 (K-163)"},
470     {2, "sect163r1"},
471     {3, "sect163r2 (B-163)"},
472     {4, "sect193r1"},
473     {5, "sect193r2"},
474     {6, "sect233k1 (K-233)"},
475     {7, "sect233r1 (B-233)"},
476     {8, "sect239k1"},
477     {9, "sect283k1 (K-283)"},
478     {10, "sect283r1 (B-283)"},
479     {11, "sect409k1 (K-409)"},
480     {12, "sect409r1 (B-409)"},
481     {13, "sect571k1 (K-571)"},
482     {14, "sect571r1 (B-571)"},
483     {15, "secp160k1"},
484     {16, "secp160r1"},
485     {17, "secp160r2"},
486     {18, "secp192k1"},
487     {19, "secp192r1 (P-192)"},
488     {20, "secp224k1"},
489     {21, "secp224r1 (P-224)"},
490     {22, "secp256k1"},
491     {23, "secp256r1 (P-256)"},
492     {24, "secp384r1 (P-384)"},
493     {25, "secp521r1 (P-521)"},
494     {26, "brainpoolP256r1"},
495     {27, "brainpoolP384r1"},
496     {28, "brainpoolP512r1"},
497     {29, "ecdh_x25519"},
498     {0xFF01, "arbitrary_explicit_prime_curves"},
499     {0xFF02, "arbitrary_explicit_char2_curves"}
500 };
501
502 static ssl_trace_tbl ssl_point_tbl[] = {
503     {0, "uncompressed"},
504     {1, "ansiX962_compressed_prime"},
505     {2, "ansiX962_compressed_char2"}
506 };
507
508 static ssl_trace_tbl ssl_md_tbl[] = {
509     {TLSEXT_hash_none, "none"},
510     {TLSEXT_hash_md5, "md5"},
511     {TLSEXT_hash_sha1, "sha1"},
512     {TLSEXT_hash_sha224, "sha224"},
513     {TLSEXT_hash_sha256, "sha256"},
514     {TLSEXT_hash_sha384, "sha384"},
515     {TLSEXT_hash_sha512, "sha512"},
516     {TLSEXT_hash_gostr3411, "md_gost94"},
517     {TLSEXT_hash_gostr34112012_256, "md_gost2012_256"},
518     {TLSEXT_hash_gostr34112012_512, "md_gost2012_512"}
519 };
520
521 static ssl_trace_tbl ssl_sig_tbl[] = {
522     {TLSEXT_signature_anonymous, "anonymous"},
523     {TLSEXT_signature_rsa, "rsa"},
524     {TLSEXT_signature_dsa, "dsa"},
525     {TLSEXT_signature_ecdsa, "ecdsa"},
526     {TLSEXT_signature_gostr34102001, "gost2001"},
527     {TLSEXT_signature_gostr34102012_256, "gost2012_256"},
528     {TLSEXT_signature_gostr34102012_512, "gost2012_512"}
529 };
530
531 static ssl_trace_tbl ssl_ctype_tbl[] = {
532     {1, "rsa_sign"},
533     {2, "dss_sign"},
534     {3, "rsa_fixed_dh"},
535     {4, "dss_fixed_dh"},
536     {5, "rsa_ephemeral_dh"},
537     {6, "dss_ephemeral_dh"},
538     {20, "fortezza_dms"},
539     {64, "ecdsa_sign"},
540     {65, "rsa_fixed_ecdh"},
541     {66, "ecdsa_fixed_ecdh"}
542 };
543
544 static ssl_trace_tbl ssl_crypto_tbl[] = {
545     {TLS1_RT_CRYPTO_PREMASTER, "Premaster Secret"},
546     {TLS1_RT_CRYPTO_CLIENT_RANDOM, "Client Random"},
547     {TLS1_RT_CRYPTO_SERVER_RANDOM, "Server Random"},
548     {TLS1_RT_CRYPTO_MASTER, "Master Secret"},
549     {TLS1_RT_CRYPTO_MAC | TLS1_RT_CRYPTO_WRITE, "Write Mac Secret"},
550     {TLS1_RT_CRYPTO_MAC | TLS1_RT_CRYPTO_READ, "Read Mac Secret"},
551     {TLS1_RT_CRYPTO_KEY | TLS1_RT_CRYPTO_WRITE, "Write Key"},
552     {TLS1_RT_CRYPTO_KEY | TLS1_RT_CRYPTO_READ, "Read Key"},
553     {TLS1_RT_CRYPTO_IV | TLS1_RT_CRYPTO_WRITE, "Write IV"},
554     {TLS1_RT_CRYPTO_IV | TLS1_RT_CRYPTO_READ, "Read IV"},
555     {TLS1_RT_CRYPTO_FIXED_IV | TLS1_RT_CRYPTO_WRITE, "Write IV (fixed part)"},
556     {TLS1_RT_CRYPTO_FIXED_IV | TLS1_RT_CRYPTO_READ, "Read IV (fixed part)"}
557 };
558
559 static void ssl_print_hex(BIO *bio, int indent, const char *name,
560                           const unsigned char *msg, size_t msglen)
561 {
562     size_t i;
563     BIO_indent(bio, indent, 80);
564     BIO_printf(bio, "%s (len=%d): ", name, (int)msglen);
565     for (i = 0; i < msglen; i++)
566         BIO_printf(bio, "%02X", msg[i]);
567     BIO_puts(bio, "\n");
568 }
569
570 static int ssl_print_hexbuf(BIO *bio, int indent,
571                             const char *name, size_t nlen,
572                             const unsigned char **pmsg, size_t *pmsglen)
573 {
574     size_t blen;
575     const unsigned char *p = *pmsg;
576     if (*pmsglen < nlen)
577         return 0;
578     blen = p[0];
579     if (nlen > 1)
580         blen = (blen << 8) | p[1];
581     if (*pmsglen < nlen + blen)
582         return 0;
583     p += nlen;
584     ssl_print_hex(bio, indent, name, p, blen);
585     *pmsg += blen + nlen;
586     *pmsglen -= blen + nlen;
587     return 1;
588 }
589
590 static int ssl_print_version(BIO *bio, int indent, const char *name,
591                              const unsigned char **pmsg, size_t *pmsglen,
592                              unsigned int *version)
593 {
594     int vers;
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         BIO_indent(bio, indent, 80);
637         BIO_printf(bio, "Signature Algorithm %s+%s (%d+%d)\n",
638                    ssl_trace_str(p[0], ssl_md_tbl),
639                    ssl_trace_str(p[1], ssl_sig_tbl), p[0], p[1]);
640         *pmsg += 2;
641         *pmsglen -= 2;
642     }
643     return ssl_print_hexbuf(bio, indent, "Signature", 2, pmsg, pmsglen);
644 }
645
646 static int ssl_print_extension(BIO *bio, int indent, int server, int extype,
647                                const unsigned char *ext, size_t extlen)
648 {
649     size_t xlen, share_len;
650     BIO_indent(bio, indent, 80);
651     BIO_printf(bio, "extension_type=%s(%d), length=%d\n",
652                ssl_trace_str(extype, ssl_exts_tbl), extype, (int)extlen);
653     switch (extype) {
654     case TLSEXT_TYPE_ec_point_formats:
655         if (extlen < 1)
656             return 0;
657         xlen = ext[0];
658         if (extlen != xlen + 1)
659             return 0;
660         return ssl_trace_list(bio, indent + 2, ext + 1, xlen, 1, ssl_point_tbl);
661
662     case TLSEXT_TYPE_supported_groups:
663         if (extlen < 2)
664             return 0;
665         xlen = (ext[0] << 8) | ext[1];
666         if (extlen != xlen + 2)
667             return 0;
668         return ssl_trace_list(bio, indent + 2, ext + 2, xlen, 2, ssl_groups_tbl);
669
670     case TLSEXT_TYPE_signature_algorithms:
671
672         if (extlen < 2)
673             return 0;
674         xlen = (ext[0] << 8) | ext[1];
675         if (extlen != xlen + 2)
676             return 0;
677         if (xlen & 1)
678             return 0;
679         ext += 2;
680         while (xlen > 0) {
681             BIO_indent(bio, indent + 2, 80);
682             BIO_printf(bio, "%s+%s (%d+%d)\n",
683                        ssl_trace_str(ext[0], ssl_md_tbl),
684                        ssl_trace_str(ext[1], ssl_sig_tbl), ext[0], ext[1]);
685             xlen -= 2;
686             ext += 2;
687         }
688         break;
689
690     case TLSEXT_TYPE_renegotiate:
691         if (extlen < 1)
692             return 0;
693         xlen = ext[0];
694         if (xlen + 1 != extlen)
695             return 0;
696         ext++;
697         if (xlen) {
698             if (server) {
699                 if (xlen & 1)
700                     return 0;
701                 xlen >>= 1;
702             }
703             ssl_print_hex(bio, indent + 4, "client_verify_data", ext, xlen);
704             if (server) {
705                 ext += xlen;
706                 ssl_print_hex(bio, indent + 4, "server_verify_data", ext, xlen);
707             }
708         } else {
709             BIO_indent(bio, indent + 4, 80);
710             BIO_puts(bio, "<EMPTY>\n");
711         }
712         break;
713
714     case TLSEXT_TYPE_heartbeat:
715         return 0;
716
717     case TLSEXT_TYPE_session_ticket:
718         if (extlen != 0)
719             ssl_print_hex(bio, indent + 4, "ticket", ext, extlen);
720         break;
721
722     case TLSEXT_TYPE_key_share:
723         if (extlen < 2)
724             return 0;
725         if (server) {
726             xlen = extlen;
727         } else {
728             xlen = (ext[0] << 8) | ext[1];
729             if (extlen != xlen + 2)
730                 return 0;
731             ext += 2;
732         }
733         for (; xlen > 0; ext += share_len, xlen -= share_len) {
734             int group_id;
735
736             if (xlen < 4)
737                 return 0;
738             group_id = (ext[0] << 8) | ext[1];
739             share_len = (ext[2] << 8) | ext[3];
740             ext += 4;
741             xlen -= 4;
742             if (xlen < share_len)
743                 return 0;
744             BIO_indent(bio, indent + 4, 80);
745             BIO_printf(bio, "NamedGroup: %s\n",
746                        ssl_trace_str(group_id, ssl_groups_tbl));
747             ssl_print_hex(bio, indent + 4, "key_exchange: ", ext, share_len);
748         }
749         break;
750
751     case TLSEXT_TYPE_supported_versions:
752         if (extlen < 1)
753             return 0;
754         xlen = ext[0];
755         if (extlen != xlen + 1)
756             return 0;
757         return ssl_trace_list(bio, indent + 2, ext + 1, xlen, 2,
758                               ssl_version_tbl);
759
760     default:
761         BIO_dump_indent(bio, (const char *)ext, extlen, indent + 2);
762     }
763     return 1;
764 }
765
766 static int ssl_print_extensions(BIO *bio, int indent, int server,
767                                 const unsigned char *msg, size_t msglen)
768 {
769     size_t extslen;
770     BIO_indent(bio, indent, 80);
771     if (msglen == 0) {
772         BIO_puts(bio, "No Extensions\n");
773         return 1;
774     }
775     extslen = (msg[0] << 8) | msg[1];
776     if (extslen != msglen - 2)
777         return 0;
778     msg += 2;
779     msglen = extslen;
780     BIO_printf(bio, "extensions, length = %d\n", (int)msglen);
781     while (msglen > 0) {
782         int extype;
783         size_t extlen;
784         if (msglen < 4)
785             return 0;
786         extype = (msg[0] << 8) | msg[1];
787         extlen = (msg[2] << 8) | msg[3];
788         if (msglen < extlen + 4)
789             return 0;
790         msg += 4;
791         if (!ssl_print_extension(bio, indent + 2, server, extype, msg, extlen))
792             return 0;
793         msg += extlen;
794         msglen -= extlen + 4;
795     }
796     return 1;
797 }
798
799 static int ssl_print_client_hello(BIO *bio, SSL *ssl, int indent,
800                                   const unsigned char *msg, size_t msglen)
801 {
802     size_t len;
803     unsigned int cs;
804     if (!ssl_print_version(bio, indent, "client_version", &msg, &msglen, NULL))
805         return 0;
806     if (!ssl_print_random(bio, indent, &msg, &msglen))
807         return 0;
808     if (!ssl_print_hexbuf(bio, indent, "session_id", 1, &msg, &msglen))
809         return 0;
810     if (SSL_IS_DTLS(ssl)) {
811         if (!ssl_print_hexbuf(bio, indent, "cookie", 1, &msg, &msglen))
812             return 0;
813     }
814     if (msglen < 2)
815         return 0;
816     len = (msg[0] << 8) | msg[1];
817     msg += 2;
818     msglen -= 2;
819     BIO_indent(bio, indent, 80);
820     BIO_printf(bio, "cipher_suites (len=%d)\n", (int)len);
821     if (msglen < len || len & 1)
822         return 0;
823     while (len > 0) {
824         cs = (msg[0] << 8) | msg[1];
825         BIO_indent(bio, indent + 2, 80);
826         BIO_printf(bio, "{0x%02X, 0x%02X} %s\n",
827                    msg[0], msg[1], ssl_trace_str(cs, ssl_ciphers_tbl));
828         msg += 2;
829         msglen -= 2;
830         len -= 2;
831     }
832     if (msglen < 1)
833         return 0;
834     len = msg[0];
835     msg++;
836     msglen--;
837     if (msglen < len)
838         return 0;
839     BIO_indent(bio, indent, 80);
840     BIO_printf(bio, "compression_methods (len=%d)\n", (int)len);
841     while (len > 0) {
842         BIO_indent(bio, indent + 2, 80);
843         BIO_printf(bio, "%s (0x%02X)\n",
844                    ssl_trace_str(msg[0], ssl_comp_tbl), msg[0]);
845         msg++;
846         msglen--;
847         len--;
848     }
849     if (!ssl_print_extensions(bio, indent, 0, msg, msglen))
850         return 0;
851     return 1;
852 }
853
854 static int dtls_print_hello_vfyrequest(BIO *bio, int indent,
855                                        const unsigned char *msg, size_t msglen)
856 {
857     if (!ssl_print_version(bio, indent, "server_version", &msg, &msglen, NULL))
858         return 0;
859     if (!ssl_print_hexbuf(bio, indent, "cookie", 1, &msg, &msglen))
860         return 0;
861     return 1;
862 }
863
864 static int ssl_print_server_hello(BIO *bio, int indent,
865                                   const unsigned char *msg, size_t msglen)
866 {
867     unsigned int cs;
868     unsigned int vers;
869     if (!ssl_print_version(bio, indent, "server_version", &msg, &msglen, &vers))
870         return 0;
871     if (!ssl_print_random(bio, indent, &msg, &msglen))
872         return 0;
873     if (vers != TLS1_3_VERSION
874             && !ssl_print_hexbuf(bio, indent, "session_id", 1, &msg, &msglen))
875         return 0;
876     if (msglen < 2)
877         return 0;
878     cs = (msg[0] << 8) | msg[1];
879     BIO_indent(bio, indent, 80);
880     BIO_printf(bio, "cipher_suite {0x%02X, 0x%02X} %s\n",
881                msg[0], msg[1], ssl_trace_str(cs, ssl_ciphers_tbl));
882     msg += 2;
883     msglen -= 2;
884     if (vers != TLS1_3_VERSION) {
885         if (msglen < 1)
886             return 0;
887         BIO_indent(bio, indent, 80);
888         BIO_printf(bio, "compression_method: %s (0x%02X)\n",
889                    ssl_trace_str(msg[0], ssl_comp_tbl), msg[0]);
890         msg++;
891         msglen--;
892     }
893     if (!ssl_print_extensions(bio, indent, 1, msg, msglen))
894         return 0;
895     return 1;
896 }
897
898 static int ssl_get_keyex(const char **pname, SSL *ssl)
899 {
900     unsigned long alg_k = ssl->s3->tmp.new_cipher->algorithm_mkey;
901     if (alg_k & SSL_kRSA) {
902         *pname = "rsa";
903         return SSL_kRSA;
904     }
905     if (alg_k & SSL_kDHE) {
906         *pname = "DHE";
907         return SSL_kDHE;
908     }
909     if (alg_k & SSL_kECDHE) {
910         *pname = "ECDHE";
911         return SSL_kECDHE;
912     }
913     if (alg_k & SSL_kPSK) {
914         *pname = "PSK";
915         return SSL_kPSK;
916     }
917     if (alg_k & SSL_kRSAPSK) {
918         *pname = "RSAPSK";
919         return SSL_kRSAPSK;
920     }
921     if (alg_k & SSL_kDHEPSK) {
922         *pname = "DHEPSK";
923         return SSL_kDHEPSK;
924     }
925     if (alg_k & SSL_kECDHEPSK) {
926         *pname = "ECDHEPSK";
927         return SSL_kECDHEPSK;
928     }
929     if (alg_k & SSL_kSRP) {
930         *pname = "SRP";
931         return SSL_kSRP;
932     }
933     if (alg_k & SSL_kGOST) {
934         *pname = "GOST";
935         return SSL_kGOST;
936     }
937     *pname = "UNKNOWN";
938     return 0;
939 }
940
941 static int ssl_print_client_keyex(BIO *bio, int indent, SSL *ssl,
942                                   const unsigned char *msg, size_t msglen)
943 {
944     const char *algname;
945     int id;
946     id = ssl_get_keyex(&algname, ssl);
947     BIO_indent(bio, indent, 80);
948     BIO_printf(bio, "KeyExchangeAlgorithm=%s\n", algname);
949     if (id & SSL_PSK) {
950         if (!ssl_print_hexbuf(bio, indent + 2,
951                               "psk_identity", 2, &msg, &msglen))
952             return 0;
953     }
954     switch (id) {
955
956     case SSL_kRSA:
957     case SSL_kRSAPSK:
958         if (TLS1_get_version(ssl) == SSL3_VERSION) {
959             ssl_print_hex(bio, indent + 2,
960                           "EncyptedPreMasterSecret", msg, msglen);
961         } else {
962             if (!ssl_print_hexbuf(bio, indent + 2,
963                                   "EncyptedPreMasterSecret", 2, &msg, &msglen))
964                 return 0;
965         }
966         break;
967
968     case SSL_kDHE:
969     case SSL_kDHEPSK:
970         if (!ssl_print_hexbuf(bio, indent + 2, "dh_Yc", 2, &msg, &msglen))
971             return 0;
972         break;
973
974     case SSL_kECDHE:
975     case SSL_kECDHEPSK:
976         if (!ssl_print_hexbuf(bio, indent + 2, "ecdh_Yc", 1, &msg, &msglen))
977             return 0;
978         break;
979
980     }
981
982     return !msglen;
983 }
984
985 static int ssl_print_server_keyex(BIO *bio, int indent, SSL *ssl,
986                                   const unsigned char *msg, size_t msglen)
987 {
988     const char *algname;
989     int id;
990     id = ssl_get_keyex(&algname, ssl);
991     BIO_indent(bio, indent, 80);
992     BIO_printf(bio, "KeyExchangeAlgorithm=%s\n", algname);
993     if (id & SSL_PSK) {
994         if (!ssl_print_hexbuf(bio, indent + 2,
995                               "psk_identity_hint", 2, &msg, &msglen))
996             return 0;
997     }
998     switch (id) {
999     case SSL_kRSA:
1000
1001         if (!ssl_print_hexbuf(bio, indent + 2, "rsa_modulus", 2, &msg, &msglen))
1002             return 0;
1003         if (!ssl_print_hexbuf(bio, indent + 2, "rsa_exponent", 2,
1004                               &msg, &msglen))
1005             return 0;
1006         break;
1007
1008     case SSL_kDHE:
1009     case SSL_kDHEPSK:
1010         if (!ssl_print_hexbuf(bio, indent + 2, "dh_p", 2, &msg, &msglen))
1011             return 0;
1012         if (!ssl_print_hexbuf(bio, indent + 2, "dh_g", 2, &msg, &msglen))
1013             return 0;
1014         if (!ssl_print_hexbuf(bio, indent + 2, "dh_Ys", 2, &msg, &msglen))
1015             return 0;
1016         break;
1017
1018 # ifndef OPENSSL_NO_EC
1019     case SSL_kECDHE:
1020     case SSL_kECDHEPSK:
1021         if (msglen < 1)
1022             return 0;
1023         BIO_indent(bio, indent + 2, 80);
1024         if (msg[0] == EXPLICIT_PRIME_CURVE_TYPE)
1025             BIO_puts(bio, "explicit_prime\n");
1026         else if (msg[0] == EXPLICIT_CHAR2_CURVE_TYPE)
1027             BIO_puts(bio, "explicit_char2\n");
1028         else if (msg[0] == NAMED_CURVE_TYPE) {
1029             int curve;
1030             if (msglen < 3)
1031                 return 0;
1032             curve = (msg[1] << 8) | msg[2];
1033             BIO_printf(bio, "named_curve: %s (%d)\n",
1034                        ssl_trace_str(curve, ssl_groups_tbl), curve);
1035             msg += 3;
1036             msglen -= 3;
1037             if (!ssl_print_hexbuf(bio, indent + 2, "point", 1, &msg, &msglen))
1038                 return 0;
1039         } else {
1040             BIO_printf(bio, "UNKNOWN CURVE PARAMETER TYPE %d\n", msg[0]);
1041             return 0;
1042         }
1043         break;
1044 # endif
1045
1046     case SSL_kPSK:
1047     case SSL_kRSAPSK:
1048         break;
1049     }
1050     if (!(id & SSL_PSK))
1051         ssl_print_signature(bio, indent, ssl, &msg, &msglen);
1052     return !msglen;
1053 }
1054
1055 static int ssl_print_certificate(BIO *bio, int indent,
1056                                  const unsigned char **pmsg, size_t *pmsglen)
1057 {
1058     size_t msglen = *pmsglen;
1059     size_t clen;
1060     X509 *x;
1061     const unsigned char *p = *pmsg, *q;
1062     if (msglen < 3)
1063         return 0;
1064     clen = (p[0] << 16) | (p[1] << 8) | p[2];
1065     if (msglen < clen + 3)
1066         return 0;
1067     q = p + 3;
1068     BIO_indent(bio, indent, 80);
1069     BIO_printf(bio, "ASN.1Cert, length=%d", (int)clen);
1070     x = d2i_X509(NULL, &q, clen);
1071     if (!x)
1072         BIO_puts(bio, "<UNPARSEABLE CERTIFICATE>\n");
1073     else {
1074         BIO_puts(bio, "\n------details-----\n");
1075         X509_print_ex(bio, x, XN_FLAG_ONELINE, 0);
1076         PEM_write_bio_X509(bio, x);
1077         /* Print certificate stuff */
1078         BIO_puts(bio, "------------------\n");
1079         X509_free(x);
1080     }
1081     if (q != p + 3 + clen) {
1082         BIO_puts(bio, "<TRAILING GARBAGE AFTER CERTIFICATE>\n");
1083     }
1084     *pmsg += clen + 3;
1085     *pmsglen -= clen + 3;
1086     return 1;
1087 }
1088
1089 static int ssl_print_certificates(BIO *bio, int indent,
1090                                   const unsigned char *msg, size_t msglen)
1091 {
1092     size_t clen;
1093     if (msglen < 3)
1094         return 0;
1095     clen = (msg[0] << 16) | (msg[1] << 8) | msg[2];
1096     if (msglen != clen + 3)
1097         return 0;
1098     msg += 3;
1099     BIO_indent(bio, indent, 80);
1100     BIO_printf(bio, "certificate_list, length=%d\n", (int)clen);
1101     while (clen > 0) {
1102         if (!ssl_print_certificate(bio, indent + 2, &msg, &clen))
1103             return 0;
1104     }
1105     return 1;
1106 }
1107
1108 static int ssl_print_cert_request(BIO *bio, int indent, SSL *s,
1109                                   const unsigned char *msg, size_t msglen)
1110 {
1111     size_t xlen;
1112     if (msglen < 1)
1113         return 0;
1114     xlen = msg[0];
1115     if (msglen < xlen + 1)
1116         return 0;
1117     msg++;
1118     BIO_indent(bio, indent, 80);
1119     BIO_printf(bio, "certificate_types (len=%d)\n", (int)xlen);
1120     if (!ssl_trace_list(bio, indent + 2, msg, xlen, 1, ssl_ctype_tbl))
1121         return 0;
1122     msg += xlen;
1123     msglen -= xlen + 1;
1124     if (!SSL_USE_SIGALGS(s))
1125         goto skip_sig;
1126     if (msglen < 2)
1127         return 0;
1128     xlen = (msg[0] << 8) | msg[1];
1129     if (msglen < xlen + 2 || (xlen & 1))
1130         return 0;
1131     msg += 2;
1132     BIO_indent(bio, indent, 80);
1133     BIO_printf(bio, "signature_algorithms (len=%d)\n", (int)xlen);
1134     while (xlen > 0) {
1135         BIO_indent(bio, indent + 2, 80);
1136         BIO_printf(bio, "%s+%s (%d+%d)\n",
1137                    ssl_trace_str(msg[0], ssl_md_tbl),
1138                    ssl_trace_str(msg[1], ssl_sig_tbl), msg[0], msg[1]);
1139         xlen -= 2;
1140         msg += 2;
1141     }
1142     msg += xlen;
1143     msglen -= xlen + 2;
1144
1145  skip_sig:
1146     xlen = (msg[0] << 8) | msg[1];
1147     BIO_indent(bio, indent, 80);
1148     if (msglen < xlen + 2)
1149         return 0;
1150     msg += 2;
1151     msglen -= 2;
1152     BIO_printf(bio, "certificate_authorities (len=%d)\n", (int)xlen);
1153     while (xlen > 0) {
1154         size_t dlen;
1155         X509_NAME *nm;
1156         const unsigned char *p;
1157         if (xlen < 2)
1158             return 0;
1159         dlen = (msg[0] << 8) | msg[1];
1160         if (xlen < dlen + 2)
1161             return 0;
1162         msg += 2;
1163         BIO_indent(bio, indent + 2, 80);
1164         BIO_printf(bio, "DistinguishedName (len=%d): ", (int)dlen);
1165         p = msg;
1166         nm = d2i_X509_NAME(NULL, &p, dlen);
1167         if (!nm) {
1168             BIO_puts(bio, "<UNPARSEABLE DN>\n");
1169         } else {
1170             X509_NAME_print_ex(bio, nm, 0, XN_FLAG_ONELINE);
1171             BIO_puts(bio, "\n");
1172             X509_NAME_free(nm);
1173         }
1174         xlen -= dlen + 2;
1175         msg += dlen;
1176     }
1177     return 1;
1178 }
1179
1180 static int ssl_print_ticket(BIO *bio, int indent,
1181                             const unsigned char *msg, size_t msglen)
1182 {
1183     unsigned int tick_life;
1184     if (msglen == 0) {
1185         BIO_indent(bio, indent + 2, 80);
1186         BIO_puts(bio, "No Ticket\n");
1187         return 1;
1188     }
1189     if (msglen < 4)
1190         return 0;
1191     tick_life = (msg[0] << 24) | (msg[1] << 16) | (msg[2] << 8) | msg[3];
1192     msglen -= 4;
1193     msg += 4;
1194     BIO_indent(bio, indent + 2, 80);
1195     BIO_printf(bio, "ticket_lifetime_hint=%u\n", tick_life);
1196     if (!ssl_print_hexbuf(bio, indent + 2, "ticket", 2, &msg, &msglen))
1197         return 0;
1198     if (msglen)
1199         return 0;
1200     return 1;
1201 }
1202
1203 static int ssl_print_handshake(BIO *bio, SSL *ssl,
1204                                const unsigned char *msg, size_t msglen,
1205                                int indent)
1206 {
1207     size_t hlen;
1208     unsigned char htype;
1209     if (msglen < 4)
1210         return 0;
1211     htype = msg[0];
1212     hlen = (msg[1] << 16) | (msg[2] << 8) | msg[3];
1213     BIO_indent(bio, indent, 80);
1214     BIO_printf(bio, "%s, Length=%d\n",
1215                ssl_trace_str(htype, ssl_handshake_tbl), (int)hlen);
1216     msg += 4;
1217     msglen -= 4;
1218     if (SSL_IS_DTLS(ssl)) {
1219         if (msglen < 8)
1220             return 0;
1221         BIO_indent(bio, indent, 80);
1222         BIO_printf(bio, "message_seq=%d, fragment_offset=%d, "
1223                    "fragment_length=%d\n",
1224                    (msg[0] << 8) | msg[1],
1225                    (msg[2] << 16) | (msg[3] << 8) | msg[4],
1226                    (msg[5] << 16) | (msg[6] << 8) | msg[7]);
1227         msg += 8;
1228         msglen -= 8;
1229     }
1230     if (msglen < hlen)
1231         return 0;
1232     switch (htype) {
1233     case SSL3_MT_CLIENT_HELLO:
1234         if (!ssl_print_client_hello(bio, ssl, indent + 2, msg, msglen))
1235             return 0;
1236         break;
1237
1238     case DTLS1_MT_HELLO_VERIFY_REQUEST:
1239         if (!dtls_print_hello_vfyrequest(bio, indent + 2, msg, msglen))
1240             return 0;
1241         break;
1242
1243     case SSL3_MT_SERVER_HELLO:
1244         if (!ssl_print_server_hello(bio, indent + 2, msg, msglen))
1245             return 0;
1246         break;
1247
1248     case SSL3_MT_SERVER_KEY_EXCHANGE:
1249         if (!ssl_print_server_keyex(bio, indent + 2, ssl, msg, msglen))
1250             return 0;
1251         break;
1252
1253     case SSL3_MT_CLIENT_KEY_EXCHANGE:
1254         if (!ssl_print_client_keyex(bio, indent + 2, ssl, msg, msglen))
1255             return 0;
1256         break;
1257
1258     case SSL3_MT_CERTIFICATE:
1259         if (!ssl_print_certificates(bio, indent + 2, msg, msglen))
1260             return 0;
1261         break;
1262
1263     case SSL3_MT_CERTIFICATE_VERIFY:
1264         if (!ssl_print_signature(bio, indent + 2, ssl, &msg, &msglen))
1265             return 0;
1266         break;
1267
1268     case SSL3_MT_CERTIFICATE_REQUEST:
1269         if (!ssl_print_cert_request(bio, indent + 2, ssl, msg, msglen))
1270             return 0;
1271         break;
1272
1273     case SSL3_MT_FINISHED:
1274         ssl_print_hex(bio, indent + 2, "verify_data", msg, msglen);
1275         break;
1276
1277     case SSL3_MT_SERVER_DONE:
1278         if (msglen != 0)
1279             ssl_print_hex(bio, indent + 2, "unexpected value", msg, msglen);
1280         break;
1281
1282     case SSL3_MT_NEWSESSION_TICKET:
1283         if (!ssl_print_ticket(bio, indent + 2, msg, msglen))
1284             return 0;
1285         break;
1286
1287     default:
1288         BIO_indent(bio, indent + 2, 80);
1289         BIO_puts(bio, "Unsupported, hex dump follows:\n");
1290         BIO_dump_indent(bio, (const char *)msg, msglen, indent + 4);
1291     }
1292     return 1;
1293 }
1294
1295 const char *SSL_CIPHER_standard_name(const SSL_CIPHER *c)
1296 {
1297     return ssl_trace_str(c->id & 0xFFFF, ssl_ciphers_tbl);
1298 }
1299
1300 void SSL_trace(int write_p, int version, int content_type,
1301                const void *buf, size_t msglen, SSL *ssl, void *arg)
1302 {
1303     const unsigned char *msg = buf;
1304     BIO *bio = arg;
1305
1306     if (write_p == 2) {
1307         BIO_puts(bio, "Session ");
1308         ssl_print_hex(bio, 0,
1309                       ssl_trace_str(content_type, ssl_crypto_tbl), msg, msglen);
1310         return;
1311     }
1312     switch (content_type) {
1313     case SSL3_RT_HEADER:
1314         {
1315             int hvers = msg[1] << 8 | msg[2];
1316             BIO_puts(bio, write_p ? "Sent" : "Received");
1317             BIO_printf(bio, " Record\nHeader:\n  Version = %s (0x%x)\n",
1318                        ssl_trace_str(hvers, ssl_version_tbl), hvers);
1319             if (SSL_IS_DTLS(ssl)) {
1320                 BIO_printf(bio,
1321                            "  epoch=%d, sequence_number=%04x%04x%04x\n",
1322                            (msg[3] << 8 | msg[4]),
1323                            (msg[5] << 8 | msg[6]),
1324                            (msg[7] << 8 | msg[8]), (msg[9] << 8 | msg[10]));
1325             }
1326
1327             BIO_printf(bio, "  Content Type = %s (%d)\n  Length = %d",
1328                        ssl_trace_str(msg[0], ssl_content_tbl), msg[0],
1329                        msg[msglen - 2] << 8 | msg[msglen - 1]);
1330         }
1331         break;
1332     case SSL3_RT_HANDSHAKE:
1333         if (!ssl_print_handshake(bio, ssl, msg, msglen, 4))
1334             BIO_printf(bio, "Message length parse error!\n");
1335         break;
1336
1337     case SSL3_RT_CHANGE_CIPHER_SPEC:
1338         if (msglen == 1 && msg[0] == 1)
1339             BIO_puts(bio, "    change_cipher_spec (1)\n");
1340         else
1341             ssl_print_hex(bio, 4, "unknown value", msg, msglen);
1342         break;
1343
1344     case SSL3_RT_ALERT:
1345         if (msglen != 2)
1346             BIO_puts(bio, "    Illegal Alert Length\n");
1347         else {
1348             BIO_printf(bio, "    Level=%s(%d), description=%s(%d)\n",
1349                        SSL_alert_type_string_long(msg[0] << 8),
1350                        msg[0], SSL_alert_desc_string_long(msg[1]), msg[1]);
1351         }
1352
1353     }
1354
1355     BIO_puts(bio, "\n");
1356 }
1357
1358 #endif