421d90d28982bd7fa51a8acae108cf6885621a02
[oweals/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 {
593     int vers;
594     if (*pmsglen < 2)
595         return 0;
596     vers = ((*pmsg)[0] << 8) | (*pmsg)[1];
597     BIO_indent(bio, indent, 80);
598     BIO_printf(bio, "%s=0x%x (%s)\n",
599                name, vers, ssl_trace_str(vers, ssl_version_tbl));
600     *pmsg += 2;
601     *pmsglen -= 2;
602     return 1;
603 }
604
605 static int ssl_print_random(BIO *bio, int indent,
606                             const unsigned char **pmsg, size_t *pmsglen)
607 {
608     unsigned int tm;
609     const unsigned char *p = *pmsg;
610     if (*pmsglen < 32)
611         return 0;
612     tm = (p[0] << 24) | (p[1] << 16) | (p[2] << 8) | p[3];
613     p += 4;
614     BIO_indent(bio, indent, 80);
615     BIO_puts(bio, "Random:\n");
616     BIO_indent(bio, indent + 2, 80);
617     BIO_printf(bio, "gmt_unix_time=0x%08X\n", tm);
618     ssl_print_hex(bio, indent + 2, "random_bytes", p, 28);
619     *pmsg += 32;
620     *pmsglen -= 32;
621     return 1;
622 }
623
624 static int ssl_print_signature(BIO *bio, int indent, SSL *s,
625                                const unsigned char **pmsg, size_t *pmsglen)
626 {
627     if (*pmsglen < 2)
628         return 0;
629     if (SSL_USE_SIGALGS(s)) {
630         const unsigned char *p = *pmsg;
631         BIO_indent(bio, indent, 80);
632         BIO_printf(bio, "Signature Algorithm %s+%s (%d+%d)\n",
633                    ssl_trace_str(p[0], ssl_md_tbl),
634                    ssl_trace_str(p[1], ssl_sig_tbl), p[0], p[1]);
635         *pmsg += 2;
636         *pmsglen -= 2;
637     }
638     return ssl_print_hexbuf(bio, indent, "Signature", 2, pmsg, pmsglen);
639 }
640
641 static int ssl_print_extension(BIO *bio, int indent, int server, int extype,
642                                const unsigned char *ext, size_t extlen)
643 {
644     size_t xlen, share_len;
645     BIO_indent(bio, indent, 80);
646     BIO_printf(bio, "extension_type=%s(%d), length=%d\n",
647                ssl_trace_str(extype, ssl_exts_tbl), extype, (int)extlen);
648     switch (extype) {
649     case TLSEXT_TYPE_ec_point_formats:
650         if (extlen < 1)
651             return 0;
652         xlen = ext[0];
653         if (extlen != xlen + 1)
654             return 0;
655         return ssl_trace_list(bio, indent + 2, ext + 1, xlen, 1, ssl_point_tbl);
656
657     case TLSEXT_TYPE_supported_groups:
658         if (extlen < 2)
659             return 0;
660         xlen = (ext[0] << 8) | ext[1];
661         if (extlen != xlen + 2)
662             return 0;
663         return ssl_trace_list(bio, indent + 2, ext + 2, xlen, 2, ssl_groups_tbl);
664
665     case TLSEXT_TYPE_signature_algorithms:
666
667         if (extlen < 2)
668             return 0;
669         xlen = (ext[0] << 8) | ext[1];
670         if (extlen != xlen + 2)
671             return 0;
672         if (xlen & 1)
673             return 0;
674         ext += 2;
675         while (xlen > 0) {
676             BIO_indent(bio, indent + 2, 80);
677             BIO_printf(bio, "%s+%s (%d+%d)\n",
678                        ssl_trace_str(ext[0], ssl_md_tbl),
679                        ssl_trace_str(ext[1], ssl_sig_tbl), ext[0], ext[1]);
680             xlen -= 2;
681             ext += 2;
682         }
683         break;
684
685     case TLSEXT_TYPE_renegotiate:
686         if (extlen < 1)
687             return 0;
688         xlen = ext[0];
689         if (xlen + 1 != extlen)
690             return 0;
691         ext++;
692         if (xlen) {
693             if (server) {
694                 if (xlen & 1)
695                     return 0;
696                 xlen >>= 1;
697             }
698             ssl_print_hex(bio, indent + 4, "client_verify_data", ext, xlen);
699             if (server) {
700                 ext += xlen;
701                 ssl_print_hex(bio, indent + 4, "server_verify_data", ext, xlen);
702             }
703         } else {
704             BIO_indent(bio, indent + 4, 80);
705             BIO_puts(bio, "<EMPTY>\n");
706         }
707         break;
708
709     case TLSEXT_TYPE_heartbeat:
710         return 0;
711
712     case TLSEXT_TYPE_session_ticket:
713         if (extlen != 0)
714             ssl_print_hex(bio, indent + 4, "ticket", ext, extlen);
715         break;
716
717     case TLSEXT_TYPE_key_share:
718         if (extlen < 2)
719             return 0;
720         if (server) {
721             xlen = extlen;
722         } else {
723             xlen = (ext[0] << 8) | ext[1];
724             if (extlen != xlen + 2)
725                 return 0;
726             ext += 2;
727         }
728         for (; xlen > 0; ext += share_len, xlen -= share_len) {
729             int group_id;
730
731             if (xlen < 4)
732                 return 0;
733             group_id = (ext[0] << 8) | ext[1];
734             share_len = (ext[2] << 8) | ext[3];
735             ext += 4;
736             xlen -= 4;
737             if (xlen < share_len)
738                 return 0;
739             BIO_indent(bio, indent + 4, 80);
740             BIO_printf(bio, "NamedGroup: %s\n",
741                        ssl_trace_str(group_id, ssl_groups_tbl));
742             ssl_print_hex(bio, indent + 4, "key_exchange: ", ext, share_len);
743         }
744         break;
745
746     case TLSEXT_TYPE_supported_versions:
747         if (extlen < 1)
748             return 0;
749         xlen = ext[0];
750         if (extlen != xlen + 1)
751             return 0;
752         return ssl_trace_list(bio, indent + 2, ext + 1, xlen, 2,
753                               ssl_version_tbl);
754
755     default:
756         BIO_dump_indent(bio, (const char *)ext, extlen, indent + 2);
757     }
758     return 1;
759 }
760
761 static int ssl_print_extensions(BIO *bio, int indent, int server,
762                                 const unsigned char *msg, size_t msglen)
763 {
764     size_t extslen;
765     BIO_indent(bio, indent, 80);
766     if (msglen == 0) {
767         BIO_puts(bio, "No Extensions\n");
768         return 1;
769     }
770     extslen = (msg[0] << 8) | msg[1];
771     if (extslen != msglen - 2)
772         return 0;
773     msg += 2;
774     msglen = extslen;
775     BIO_printf(bio, "extensions, length = %d\n", (int)msglen);
776     while (msglen > 0) {
777         int extype;
778         size_t extlen;
779         if (msglen < 4)
780             return 0;
781         extype = (msg[0] << 8) | msg[1];
782         extlen = (msg[2] << 8) | msg[3];
783         if (msglen < extlen + 4)
784             return 0;
785         msg += 4;
786         if (!ssl_print_extension(bio, indent + 2, server, extype, msg, extlen))
787             return 0;
788         msg += extlen;
789         msglen -= extlen + 4;
790     }
791     return 1;
792 }
793
794 static int ssl_print_client_hello(BIO *bio, SSL *ssl, int indent,
795                                   const unsigned char *msg, size_t msglen)
796 {
797     size_t len;
798     unsigned int cs;
799     if (!ssl_print_version(bio, indent, "client_version", &msg, &msglen))
800         return 0;
801     if (!ssl_print_random(bio, indent, &msg, &msglen))
802         return 0;
803     if (!ssl_print_hexbuf(bio, indent, "session_id", 1, &msg, &msglen))
804         return 0;
805     if (SSL_IS_DTLS(ssl)) {
806         if (!ssl_print_hexbuf(bio, indent, "cookie", 1, &msg, &msglen))
807             return 0;
808     }
809     if (msglen < 2)
810         return 0;
811     len = (msg[0] << 8) | msg[1];
812     msg += 2;
813     msglen -= 2;
814     BIO_indent(bio, indent, 80);
815     BIO_printf(bio, "cipher_suites (len=%d)\n", (int)len);
816     if (msglen < len || len & 1)
817         return 0;
818     while (len > 0) {
819         cs = (msg[0] << 8) | msg[1];
820         BIO_indent(bio, indent + 2, 80);
821         BIO_printf(bio, "{0x%02X, 0x%02X} %s\n",
822                    msg[0], msg[1], ssl_trace_str(cs, ssl_ciphers_tbl));
823         msg += 2;
824         msglen -= 2;
825         len -= 2;
826     }
827     if (msglen < 1)
828         return 0;
829     len = msg[0];
830     msg++;
831     msglen--;
832     if (msglen < len)
833         return 0;
834     BIO_indent(bio, indent, 80);
835     BIO_printf(bio, "compression_methods (len=%d)\n", (int)len);
836     while (len > 0) {
837         BIO_indent(bio, indent + 2, 80);
838         BIO_printf(bio, "%s (0x%02X)\n",
839                    ssl_trace_str(msg[0], ssl_comp_tbl), msg[0]);
840         msg++;
841         msglen--;
842         len--;
843     }
844     if (!ssl_print_extensions(bio, indent, 0, msg, msglen))
845         return 0;
846     return 1;
847 }
848
849 static int dtls_print_hello_vfyrequest(BIO *bio, int indent,
850                                        const unsigned char *msg, size_t msglen)
851 {
852     if (!ssl_print_version(bio, indent, "server_version", &msg, &msglen))
853         return 0;
854     if (!ssl_print_hexbuf(bio, indent, "cookie", 1, &msg, &msglen))
855         return 0;
856     return 1;
857 }
858
859 static int ssl_print_server_hello(BIO *bio, int indent,
860                                   const unsigned char *msg, size_t msglen)
861 {
862     unsigned int cs;
863     if (!ssl_print_version(bio, indent, "server_version", &msg, &msglen))
864         return 0;
865     if (!ssl_print_random(bio, indent, &msg, &msglen))
866         return 0;
867     if (!ssl_print_hexbuf(bio, indent, "session_id", 1, &msg, &msglen))
868         return 0;
869     if (msglen < 2)
870         return 0;
871     cs = (msg[0] << 8) | msg[1];
872     BIO_indent(bio, indent, 80);
873     BIO_printf(bio, "cipher_suite {0x%02X, 0x%02X} %s\n",
874                msg[0], msg[1], ssl_trace_str(cs, ssl_ciphers_tbl));
875     msg += 2;
876     msglen -= 2;
877     if (msglen < 1)
878         return 0;
879     BIO_indent(bio, indent, 80);
880     BIO_printf(bio, "compression_method: %s (0x%02X)\n",
881                ssl_trace_str(msg[0], ssl_comp_tbl), msg[0]);
882     msg++;
883     msglen--;
884     if (!ssl_print_extensions(bio, indent, 1, msg, msglen))
885         return 0;
886     return 1;
887 }
888
889 static int ssl_get_keyex(const char **pname, SSL *ssl)
890 {
891     unsigned long alg_k = ssl->s3->tmp.new_cipher->algorithm_mkey;
892     if (alg_k & SSL_kRSA) {
893         *pname = "rsa";
894         return SSL_kRSA;
895     }
896     if (alg_k & SSL_kDHE) {
897         *pname = "DHE";
898         return SSL_kDHE;
899     }
900     if (alg_k & SSL_kECDHE) {
901         *pname = "ECDHE";
902         return SSL_kECDHE;
903     }
904     if (alg_k & SSL_kPSK) {
905         *pname = "PSK";
906         return SSL_kPSK;
907     }
908     if (alg_k & SSL_kRSAPSK) {
909         *pname = "RSAPSK";
910         return SSL_kRSAPSK;
911     }
912     if (alg_k & SSL_kDHEPSK) {
913         *pname = "DHEPSK";
914         return SSL_kDHEPSK;
915     }
916     if (alg_k & SSL_kECDHEPSK) {
917         *pname = "ECDHEPSK";
918         return SSL_kECDHEPSK;
919     }
920     if (alg_k & SSL_kSRP) {
921         *pname = "SRP";
922         return SSL_kSRP;
923     }
924     if (alg_k & SSL_kGOST) {
925         *pname = "GOST";
926         return SSL_kGOST;
927     }
928     *pname = "UNKNOWN";
929     return 0;
930 }
931
932 static int ssl_print_client_keyex(BIO *bio, int indent, SSL *ssl,
933                                   const unsigned char *msg, size_t msglen)
934 {
935     const char *algname;
936     int id;
937     id = ssl_get_keyex(&algname, ssl);
938     BIO_indent(bio, indent, 80);
939     BIO_printf(bio, "KeyExchangeAlgorithm=%s\n", algname);
940     if (id & SSL_PSK) {
941         if (!ssl_print_hexbuf(bio, indent + 2,
942                               "psk_identity", 2, &msg, &msglen))
943             return 0;
944     }
945     switch (id) {
946
947     case SSL_kRSA:
948     case SSL_kRSAPSK:
949         if (TLS1_get_version(ssl) == SSL3_VERSION) {
950             ssl_print_hex(bio, indent + 2,
951                           "EncyptedPreMasterSecret", msg, msglen);
952         } else {
953             if (!ssl_print_hexbuf(bio, indent + 2,
954                                   "EncyptedPreMasterSecret", 2, &msg, &msglen))
955                 return 0;
956         }
957         break;
958
959     case SSL_kDHE:
960     case SSL_kDHEPSK:
961         if (!ssl_print_hexbuf(bio, indent + 2, "dh_Yc", 2, &msg, &msglen))
962             return 0;
963         break;
964
965     case SSL_kECDHE:
966     case SSL_kECDHEPSK:
967         if (!ssl_print_hexbuf(bio, indent + 2, "ecdh_Yc", 1, &msg, &msglen))
968             return 0;
969         break;
970
971     }
972
973     return !msglen;
974 }
975
976 static int ssl_print_server_keyex(BIO *bio, int indent, SSL *ssl,
977                                   const unsigned char *msg, size_t msglen)
978 {
979     const char *algname;
980     int id;
981     id = ssl_get_keyex(&algname, ssl);
982     BIO_indent(bio, indent, 80);
983     BIO_printf(bio, "KeyExchangeAlgorithm=%s\n", algname);
984     if (id & SSL_PSK) {
985         if (!ssl_print_hexbuf(bio, indent + 2,
986                               "psk_identity_hint", 2, &msg, &msglen))
987             return 0;
988     }
989     switch (id) {
990     case SSL_kRSA:
991
992         if (!ssl_print_hexbuf(bio, indent + 2, "rsa_modulus", 2, &msg, &msglen))
993             return 0;
994         if (!ssl_print_hexbuf(bio, indent + 2, "rsa_exponent", 2,
995                               &msg, &msglen))
996             return 0;
997         break;
998
999     case SSL_kDHE:
1000     case SSL_kDHEPSK:
1001         if (!ssl_print_hexbuf(bio, indent + 2, "dh_p", 2, &msg, &msglen))
1002             return 0;
1003         if (!ssl_print_hexbuf(bio, indent + 2, "dh_g", 2, &msg, &msglen))
1004             return 0;
1005         if (!ssl_print_hexbuf(bio, indent + 2, "dh_Ys", 2, &msg, &msglen))
1006             return 0;
1007         break;
1008
1009 # ifndef OPENSSL_NO_EC
1010     case SSL_kECDHE:
1011     case SSL_kECDHEPSK:
1012         if (msglen < 1)
1013             return 0;
1014         BIO_indent(bio, indent + 2, 80);
1015         if (msg[0] == EXPLICIT_PRIME_CURVE_TYPE)
1016             BIO_puts(bio, "explicit_prime\n");
1017         else if (msg[0] == EXPLICIT_CHAR2_CURVE_TYPE)
1018             BIO_puts(bio, "explicit_char2\n");
1019         else if (msg[0] == NAMED_CURVE_TYPE) {
1020             int curve;
1021             if (msglen < 3)
1022                 return 0;
1023             curve = (msg[1] << 8) | msg[2];
1024             BIO_printf(bio, "named_curve: %s (%d)\n",
1025                        ssl_trace_str(curve, ssl_groups_tbl), curve);
1026             msg += 3;
1027             msglen -= 3;
1028             if (!ssl_print_hexbuf(bio, indent + 2, "point", 1, &msg, &msglen))
1029                 return 0;
1030         } else {
1031             BIO_printf(bio, "UNKNOWN CURVE PARAMETER TYPE %d\n", msg[0]);
1032             return 0;
1033         }
1034         break;
1035 # endif
1036
1037     case SSL_kPSK:
1038     case SSL_kRSAPSK:
1039         break;
1040     }
1041     if (!(id & SSL_PSK))
1042         ssl_print_signature(bio, indent, ssl, &msg, &msglen);
1043     return !msglen;
1044 }
1045
1046 static int ssl_print_certificate(BIO *bio, int indent,
1047                                  const unsigned char **pmsg, size_t *pmsglen)
1048 {
1049     size_t msglen = *pmsglen;
1050     size_t clen;
1051     X509 *x;
1052     const unsigned char *p = *pmsg, *q;
1053     if (msglen < 3)
1054         return 0;
1055     clen = (p[0] << 16) | (p[1] << 8) | p[2];
1056     if (msglen < clen + 3)
1057         return 0;
1058     q = p + 3;
1059     BIO_indent(bio, indent, 80);
1060     BIO_printf(bio, "ASN.1Cert, length=%d", (int)clen);
1061     x = d2i_X509(NULL, &q, clen);
1062     if (!x)
1063         BIO_puts(bio, "<UNPARSEABLE CERTIFICATE>\n");
1064     else {
1065         BIO_puts(bio, "\n------details-----\n");
1066         X509_print_ex(bio, x, XN_FLAG_ONELINE, 0);
1067         PEM_write_bio_X509(bio, x);
1068         /* Print certificate stuff */
1069         BIO_puts(bio, "------------------\n");
1070         X509_free(x);
1071     }
1072     if (q != p + 3 + clen) {
1073         BIO_puts(bio, "<TRAILING GARBAGE AFTER CERTIFICATE>\n");
1074     }
1075     *pmsg += clen + 3;
1076     *pmsglen -= clen + 3;
1077     return 1;
1078 }
1079
1080 static int ssl_print_certificates(BIO *bio, int indent,
1081                                   const unsigned char *msg, size_t msglen)
1082 {
1083     size_t clen;
1084     if (msglen < 3)
1085         return 0;
1086     clen = (msg[0] << 16) | (msg[1] << 8) | msg[2];
1087     if (msglen != clen + 3)
1088         return 0;
1089     msg += 3;
1090     BIO_indent(bio, indent, 80);
1091     BIO_printf(bio, "certificate_list, length=%d\n", (int)clen);
1092     while (clen > 0) {
1093         if (!ssl_print_certificate(bio, indent + 2, &msg, &clen))
1094             return 0;
1095     }
1096     return 1;
1097 }
1098
1099 static int ssl_print_cert_request(BIO *bio, int indent, SSL *s,
1100                                   const unsigned char *msg, size_t msglen)
1101 {
1102     size_t xlen;
1103     if (msglen < 1)
1104         return 0;
1105     xlen = msg[0];
1106     if (msglen < xlen + 1)
1107         return 0;
1108     msg++;
1109     BIO_indent(bio, indent, 80);
1110     BIO_printf(bio, "certificate_types (len=%d)\n", (int)xlen);
1111     if (!ssl_trace_list(bio, indent + 2, msg, xlen, 1, ssl_ctype_tbl))
1112         return 0;
1113     msg += xlen;
1114     msglen -= xlen + 1;
1115     if (!SSL_USE_SIGALGS(s))
1116         goto skip_sig;
1117     if (msglen < 2)
1118         return 0;
1119     xlen = (msg[0] << 8) | msg[1];
1120     if (msglen < xlen + 2 || (xlen & 1))
1121         return 0;
1122     msg += 2;
1123     BIO_indent(bio, indent, 80);
1124     BIO_printf(bio, "signature_algorithms (len=%d)\n", (int)xlen);
1125     while (xlen > 0) {
1126         BIO_indent(bio, indent + 2, 80);
1127         BIO_printf(bio, "%s+%s (%d+%d)\n",
1128                    ssl_trace_str(msg[0], ssl_md_tbl),
1129                    ssl_trace_str(msg[1], ssl_sig_tbl), msg[0], msg[1]);
1130         xlen -= 2;
1131         msg += 2;
1132     }
1133     msg += xlen;
1134     msglen -= xlen + 2;
1135
1136  skip_sig:
1137     xlen = (msg[0] << 8) | msg[1];
1138     BIO_indent(bio, indent, 80);
1139     if (msglen < xlen + 2)
1140         return 0;
1141     msg += 2;
1142     msglen -= 2;
1143     BIO_printf(bio, "certificate_authorities (len=%d)\n", (int)xlen);
1144     while (xlen > 0) {
1145         size_t dlen;
1146         X509_NAME *nm;
1147         const unsigned char *p;
1148         if (xlen < 2)
1149             return 0;
1150         dlen = (msg[0] << 8) | msg[1];
1151         if (xlen < dlen + 2)
1152             return 0;
1153         msg += 2;
1154         BIO_indent(bio, indent + 2, 80);
1155         BIO_printf(bio, "DistinguishedName (len=%d): ", (int)dlen);
1156         p = msg;
1157         nm = d2i_X509_NAME(NULL, &p, dlen);
1158         if (!nm) {
1159             BIO_puts(bio, "<UNPARSEABLE DN>\n");
1160         } else {
1161             X509_NAME_print_ex(bio, nm, 0, XN_FLAG_ONELINE);
1162             BIO_puts(bio, "\n");
1163             X509_NAME_free(nm);
1164         }
1165         xlen -= dlen + 2;
1166         msg += dlen;
1167     }
1168     return 1;
1169 }
1170
1171 static int ssl_print_ticket(BIO *bio, int indent,
1172                             const unsigned char *msg, size_t msglen)
1173 {
1174     unsigned int tick_life;
1175     if (msglen == 0) {
1176         BIO_indent(bio, indent + 2, 80);
1177         BIO_puts(bio, "No Ticket\n");
1178         return 1;
1179     }
1180     if (msglen < 4)
1181         return 0;
1182     tick_life = (msg[0] << 24) | (msg[1] << 16) | (msg[2] << 8) | msg[3];
1183     msglen -= 4;
1184     msg += 4;
1185     BIO_indent(bio, indent + 2, 80);
1186     BIO_printf(bio, "ticket_lifetime_hint=%u\n", tick_life);
1187     if (!ssl_print_hexbuf(bio, indent + 2, "ticket", 2, &msg, &msglen))
1188         return 0;
1189     if (msglen)
1190         return 0;
1191     return 1;
1192 }
1193
1194 static int ssl_print_handshake(BIO *bio, SSL *ssl,
1195                                const unsigned char *msg, size_t msglen,
1196                                int indent)
1197 {
1198     size_t hlen;
1199     unsigned char htype;
1200     if (msglen < 4)
1201         return 0;
1202     htype = msg[0];
1203     hlen = (msg[1] << 16) | (msg[2] << 8) | msg[3];
1204     BIO_indent(bio, indent, 80);
1205     BIO_printf(bio, "%s, Length=%d\n",
1206                ssl_trace_str(htype, ssl_handshake_tbl), (int)hlen);
1207     msg += 4;
1208     msglen -= 4;
1209     if (SSL_IS_DTLS(ssl)) {
1210         if (msglen < 8)
1211             return 0;
1212         BIO_indent(bio, indent, 80);
1213         BIO_printf(bio, "message_seq=%d, fragment_offset=%d, "
1214                    "fragment_length=%d\n",
1215                    (msg[0] << 8) | msg[1],
1216                    (msg[2] << 16) | (msg[3] << 8) | msg[4],
1217                    (msg[5] << 16) | (msg[6] << 8) | msg[7]);
1218         msg += 8;
1219         msglen -= 8;
1220     }
1221     if (msglen < hlen)
1222         return 0;
1223     switch (htype) {
1224     case SSL3_MT_CLIENT_HELLO:
1225         if (!ssl_print_client_hello(bio, ssl, indent + 2, msg, msglen))
1226             return 0;
1227         break;
1228
1229     case DTLS1_MT_HELLO_VERIFY_REQUEST:
1230         if (!dtls_print_hello_vfyrequest(bio, indent + 2, msg, msglen))
1231             return 0;
1232         break;
1233
1234     case SSL3_MT_SERVER_HELLO:
1235         if (!ssl_print_server_hello(bio, indent + 2, msg, msglen))
1236             return 0;
1237         break;
1238
1239     case SSL3_MT_SERVER_KEY_EXCHANGE:
1240         if (!ssl_print_server_keyex(bio, indent + 2, ssl, msg, msglen))
1241             return 0;
1242         break;
1243
1244     case SSL3_MT_CLIENT_KEY_EXCHANGE:
1245         if (!ssl_print_client_keyex(bio, indent + 2, ssl, msg, msglen))
1246             return 0;
1247         break;
1248
1249     case SSL3_MT_CERTIFICATE:
1250         if (!ssl_print_certificates(bio, indent + 2, msg, msglen))
1251             return 0;
1252         break;
1253
1254     case SSL3_MT_CERTIFICATE_VERIFY:
1255         if (!ssl_print_signature(bio, indent + 2, ssl, &msg, &msglen))
1256             return 0;
1257         break;
1258
1259     case SSL3_MT_CERTIFICATE_REQUEST:
1260         if (!ssl_print_cert_request(bio, indent + 2, ssl, msg, msglen))
1261             return 0;
1262         break;
1263
1264     case SSL3_MT_FINISHED:
1265         ssl_print_hex(bio, indent + 2, "verify_data", msg, msglen);
1266         break;
1267
1268     case SSL3_MT_SERVER_DONE:
1269         if (msglen != 0)
1270             ssl_print_hex(bio, indent + 2, "unexpected value", msg, msglen);
1271         break;
1272
1273     case SSL3_MT_NEWSESSION_TICKET:
1274         if (!ssl_print_ticket(bio, indent + 2, msg, msglen))
1275             return 0;
1276         break;
1277
1278     default:
1279         BIO_indent(bio, indent + 2, 80);
1280         BIO_puts(bio, "Unsupported, hex dump follows:\n");
1281         BIO_dump_indent(bio, (const char *)msg, msglen, indent + 4);
1282     }
1283     return 1;
1284 }
1285
1286 const char *SSL_CIPHER_standard_name(const SSL_CIPHER *c)
1287 {
1288     return ssl_trace_str(c->id & 0xFFFF, ssl_ciphers_tbl);
1289 }
1290
1291 void SSL_trace(int write_p, int version, int content_type,
1292                const void *buf, size_t msglen, SSL *ssl, void *arg)
1293 {
1294     const unsigned char *msg = buf;
1295     BIO *bio = arg;
1296
1297     if (write_p == 2) {
1298         BIO_puts(bio, "Session ");
1299         ssl_print_hex(bio, 0,
1300                       ssl_trace_str(content_type, ssl_crypto_tbl), msg, msglen);
1301         return;
1302     }
1303     switch (content_type) {
1304     case SSL3_RT_HEADER:
1305         {
1306             int hvers = msg[1] << 8 | msg[2];
1307             BIO_puts(bio, write_p ? "Sent" : "Received");
1308             BIO_printf(bio, " Record\nHeader:\n  Version = %s (0x%x)\n",
1309                        ssl_trace_str(hvers, ssl_version_tbl), hvers);
1310             if (SSL_IS_DTLS(ssl)) {
1311                 BIO_printf(bio,
1312                            "  epoch=%d, sequence_number=%04x%04x%04x\n",
1313                            (msg[3] << 8 | msg[4]),
1314                            (msg[5] << 8 | msg[6]),
1315                            (msg[7] << 8 | msg[8]), (msg[9] << 8 | msg[10]));
1316             }
1317
1318             BIO_printf(bio, "  Content Type = %s (%d)\n  Length = %d",
1319                        ssl_trace_str(msg[0], ssl_content_tbl), msg[0],
1320                        msg[msglen - 2] << 8 | msg[msglen - 1]);
1321         }
1322         break;
1323     case SSL3_RT_HANDSHAKE:
1324         if (!ssl_print_handshake(bio, ssl, msg, msglen, 4))
1325             BIO_printf(bio, "Message length parse error!\n");
1326         break;
1327
1328     case SSL3_RT_CHANGE_CIPHER_SPEC:
1329         if (msglen == 1 && msg[0] == 1)
1330             BIO_puts(bio, "    change_cipher_spec (1)\n");
1331         else
1332             ssl_print_hex(bio, 4, "unknown value", msg, msglen);
1333         break;
1334
1335     case SSL3_RT_ALERT:
1336         if (msglen != 2)
1337             BIO_puts(bio, "    Illegal Alert Length\n");
1338         else {
1339             BIO_printf(bio, "    Level=%s(%d), description=%s(%d)\n",
1340                        SSL_alert_type_string_long(msg[0] << 8),
1341                        msg[0], SSL_alert_desc_string_long(msg[1]), msg[1]);
1342         }
1343
1344     }
1345
1346     BIO_puts(bio, "\n");
1347 }
1348
1349 #endif