Add extra validation parsing the server-to-client early_data extension
[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
32     for (i = 0; i < ntbl; i++, tbl++) {
33         if (tbl->num == val)
34             return tbl->name;
35     }
36     return "UNKNOWN";
37 }
38
39 static int do_ssl_trace_list(BIO *bio, int indent,
40                              const unsigned char *msg, size_t msglen,
41                              size_t vlen, ssl_trace_tbl *tbl, size_t ntbl)
42 {
43     int val;
44
45     if (msglen % vlen)
46         return 0;
47     while (msglen) {
48         val = msg[0];
49         if (vlen == 2)
50             val = (val << 8) | msg[1];
51         BIO_indent(bio, indent, 80);
52         BIO_printf(bio, "%s (%d)\n", do_ssl_trace_str(val, tbl, ntbl), val);
53         msg += vlen;
54         msglen -= vlen;
55     }
56     return 1;
57 }
58
59 /* Version number */
60
61 static ssl_trace_tbl ssl_version_tbl[] = {
62     {SSL3_VERSION, "SSL 3.0"},
63     {TLS1_VERSION, "TLS 1.0"},
64     {TLS1_1_VERSION, "TLS 1.1"},
65     {TLS1_2_VERSION, "TLS 1.2"},
66     {TLS1_3_VERSION, "TLS 1.3"},
67     /* TODO(TLS1.3): Remove this line before release */
68     {TLS1_3_VERSION_DRAFT, TLS1_3_VERSION_DRAFT_TXT},
69     {DTLS1_VERSION, "DTLS 1.0"},
70     {DTLS1_2_VERSION, "DTLS 1.2"},
71     {DTLS1_BAD_VER, "DTLS 1.0 (bad)"}
72 };
73
74 static ssl_trace_tbl ssl_content_tbl[] = {
75     {SSL3_RT_CHANGE_CIPHER_SPEC, "ChangeCipherSpec"},
76     {SSL3_RT_ALERT, "Alert"},
77     {SSL3_RT_HANDSHAKE, "Handshake"},
78     {SSL3_RT_APPLICATION_DATA, "ApplicationData"},
79 };
80
81 /* Handshake types */
82 static ssl_trace_tbl ssl_handshake_tbl[] = {
83     {SSL3_MT_HELLO_REQUEST, "HelloRequest"},
84     {SSL3_MT_CLIENT_HELLO, "ClientHello"},
85     {SSL3_MT_SERVER_HELLO, "ServerHello"},
86     {DTLS1_MT_HELLO_VERIFY_REQUEST, "HelloVerifyRequest"},
87     {SSL3_MT_NEWSESSION_TICKET, "NewSessionTicket"},
88     {SSL3_MT_HELLO_RETRY_REQUEST, "HelloRetryRequest"},
89     {SSL3_MT_ENCRYPTED_EXTENSIONS, "EncryptedExtensions"},
90     {SSL3_MT_CERTIFICATE, "Certificate"},
91     {SSL3_MT_SERVER_KEY_EXCHANGE, "ServerKeyExchange"},
92     {SSL3_MT_CERTIFICATE_REQUEST, "CertificateRequest"},
93     {SSL3_MT_SERVER_DONE, "ServerHelloDone"},
94     {SSL3_MT_CERTIFICATE_VERIFY, "CertificateVerify"},
95     {SSL3_MT_CLIENT_KEY_EXCHANGE, "ClientKeyExchange"},
96     {SSL3_MT_CERTIFICATE_STATUS, "CertificateStatus"},
97     {SSL3_MT_CLIENT_KEY_EXCHANGE, "ClientKeyExchange"},
98     {SSL3_MT_FINISHED, "Finished"},
99     {SSL3_MT_CERTIFICATE_STATUS, "CertificateStatus"},
100     {SSL3_MT_KEY_UPDATE, "KeyUpdate"}
101 };
102
103 /* Cipher suites */
104 static ssl_trace_tbl ssl_ciphers_tbl[] = {
105     {0x0000, "SSL_NULL_WITH_NULL_NULL"},
106     {0x0001, "SSL_RSA_WITH_NULL_MD5"},
107     {0x0002, "SSL_RSA_WITH_NULL_SHA"},
108     {0x0003, "SSL_RSA_EXPORT_WITH_RC4_40_MD5"},
109     {0x0004, "SSL_RSA_WITH_RC4_128_MD5"},
110     {0x0005, "SSL_RSA_WITH_RC4_128_SHA"},
111     {0x0006, "SSL_RSA_EXPORT_WITH_RC2_CBC_40_MD5"},
112     {0x0007, "SSL_RSA_WITH_IDEA_CBC_SHA"},
113     {0x0008, "SSL_RSA_EXPORT_WITH_DES40_CBC_SHA"},
114     {0x0009, "SSL_RSA_WITH_DES_CBC_SHA"},
115     {0x000A, "SSL_RSA_WITH_3DES_EDE_CBC_SHA"},
116     {0x000B, "SSL_DH_DSS_EXPORT_WITH_DES40_CBC_SHA"},
117     {0x000C, "SSL_DH_DSS_WITH_DES_CBC_SHA"},
118     {0x000D, "SSL_DH_DSS_WITH_3DES_EDE_CBC_SHA"},
119     {0x000E, "SSL_DH_RSA_EXPORT_WITH_DES40_CBC_SHA"},
120     {0x000F, "SSL_DH_RSA_WITH_DES_CBC_SHA"},
121     {0x0010, "SSL_DH_RSA_WITH_3DES_EDE_CBC_SHA"},
122     {0x0011, "SSL_DHE_DSS_EXPORT_WITH_DES40_CBC_SHA"},
123     {0x0012, "SSL_DHE_DSS_WITH_DES_CBC_SHA"},
124     {0x0013, "SSL_DHE_DSS_WITH_3DES_EDE_CBC_SHA"},
125     {0x0014, "SSL_DHE_RSA_EXPORT_WITH_DES40_CBC_SHA"},
126     {0x0015, "SSL_DHE_RSA_WITH_DES_CBC_SHA"},
127     {0x0016, "SSL_DHE_RSA_WITH_3DES_EDE_CBC_SHA"},
128     {0x0017, "SSL_DH_anon_EXPORT_WITH_RC4_40_MD5"},
129     {0x0018, "SSL_DH_anon_WITH_RC4_128_MD5"},
130     {0x0019, "SSL_DH_anon_EXPORT_WITH_DES40_CBC_SHA"},
131     {0x001A, "SSL_DH_anon_WITH_DES_CBC_SHA"},
132     {0x001B, "SSL_DH_anon_WITH_3DES_EDE_CBC_SHA"},
133     {0x001D, "SSL_FORTEZZA_KEA_WITH_FORTEZZA_CBC_SHA"},
134     {0x001E, "SSL_FORTEZZA_KEA_WITH_RC4_128_SHA"},
135     {0x001F, "TLS_KRB5_WITH_3DES_EDE_CBC_SHA"},
136     {0x0020, "TLS_KRB5_WITH_RC4_128_SHA"},
137     {0x0021, "TLS_KRB5_WITH_IDEA_CBC_SHA"},
138     {0x0022, "TLS_KRB5_WITH_DES_CBC_MD5"},
139     {0x0023, "TLS_KRB5_WITH_3DES_EDE_CBC_MD5"},
140     {0x0024, "TLS_KRB5_WITH_RC4_128_MD5"},
141     {0x0025, "TLS_KRB5_WITH_IDEA_CBC_MD5"},
142     {0x0026, "TLS_KRB5_EXPORT_WITH_DES_CBC_40_SHA"},
143     {0x0027, "TLS_KRB5_EXPORT_WITH_RC2_CBC_40_SHA"},
144     {0x0028, "TLS_KRB5_EXPORT_WITH_RC4_40_SHA"},
145     {0x0029, "TLS_KRB5_EXPORT_WITH_DES_CBC_40_MD5"},
146     {0x002A, "TLS_KRB5_EXPORT_WITH_RC2_CBC_40_MD5"},
147     {0x002B, "TLS_KRB5_EXPORT_WITH_RC4_40_MD5"},
148     {0x002C, "TLS_PSK_WITH_NULL_SHA"},
149     {0x002D, "TLS_DHE_PSK_WITH_NULL_SHA"},
150     {0x002E, "TLS_RSA_PSK_WITH_NULL_SHA"},
151     {0x002F, "TLS_RSA_WITH_AES_128_CBC_SHA"},
152     {0x0030, "TLS_DH_DSS_WITH_AES_128_CBC_SHA"},
153     {0x0031, "TLS_DH_RSA_WITH_AES_128_CBC_SHA"},
154     {0x0032, "TLS_DHE_DSS_WITH_AES_128_CBC_SHA"},
155     {0x0033, "TLS_DHE_RSA_WITH_AES_128_CBC_SHA"},
156     {0x0034, "TLS_DH_anon_WITH_AES_128_CBC_SHA"},
157     {0x0035, "TLS_RSA_WITH_AES_256_CBC_SHA"},
158     {0x0036, "TLS_DH_DSS_WITH_AES_256_CBC_SHA"},
159     {0x0037, "TLS_DH_RSA_WITH_AES_256_CBC_SHA"},
160     {0x0038, "TLS_DHE_DSS_WITH_AES_256_CBC_SHA"},
161     {0x0039, "TLS_DHE_RSA_WITH_AES_256_CBC_SHA"},
162     {0x003A, "TLS_DH_anon_WITH_AES_256_CBC_SHA"},
163     {0x003B, "TLS_RSA_WITH_NULL_SHA256"},
164     {0x003C, "TLS_RSA_WITH_AES_128_CBC_SHA256"},
165     {0x003D, "TLS_RSA_WITH_AES_256_CBC_SHA256"},
166     {0x003E, "TLS_DH_DSS_WITH_AES_128_CBC_SHA256"},
167     {0x003F, "TLS_DH_RSA_WITH_AES_128_CBC_SHA256"},
168     {0x0040, "TLS_DHE_DSS_WITH_AES_128_CBC_SHA256"},
169     {0x0041, "TLS_RSA_WITH_CAMELLIA_128_CBC_SHA"},
170     {0x0042, "TLS_DH_DSS_WITH_CAMELLIA_128_CBC_SHA"},
171     {0x0043, "TLS_DH_RSA_WITH_CAMELLIA_128_CBC_SHA"},
172     {0x0044, "TLS_DHE_DSS_WITH_CAMELLIA_128_CBC_SHA"},
173     {0x0045, "TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA"},
174     {0x0046, "TLS_DH_anon_WITH_CAMELLIA_128_CBC_SHA"},
175     {0x0067, "TLS_DHE_RSA_WITH_AES_128_CBC_SHA256"},
176     {0x0068, "TLS_DH_DSS_WITH_AES_256_CBC_SHA256"},
177     {0x0069, "TLS_DH_RSA_WITH_AES_256_CBC_SHA256"},
178     {0x006A, "TLS_DHE_DSS_WITH_AES_256_CBC_SHA256"},
179     {0x006B, "TLS_DHE_RSA_WITH_AES_256_CBC_SHA256"},
180     {0x006C, "TLS_DH_anon_WITH_AES_128_CBC_SHA256"},
181     {0x006D, "TLS_DH_anon_WITH_AES_256_CBC_SHA256"},
182     {0x0084, "TLS_RSA_WITH_CAMELLIA_256_CBC_SHA"},
183     {0x0085, "TLS_DH_DSS_WITH_CAMELLIA_256_CBC_SHA"},
184     {0x0086, "TLS_DH_RSA_WITH_CAMELLIA_256_CBC_SHA"},
185     {0x0087, "TLS_DHE_DSS_WITH_CAMELLIA_256_CBC_SHA"},
186     {0x0088, "TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA"},
187     {0x0089, "TLS_DH_anon_WITH_CAMELLIA_256_CBC_SHA"},
188     {0x008A, "TLS_PSK_WITH_RC4_128_SHA"},
189     {0x008B, "TLS_PSK_WITH_3DES_EDE_CBC_SHA"},
190     {0x008C, "TLS_PSK_WITH_AES_128_CBC_SHA"},
191     {0x008D, "TLS_PSK_WITH_AES_256_CBC_SHA"},
192     {0x008E, "TLS_DHE_PSK_WITH_RC4_128_SHA"},
193     {0x008F, "TLS_DHE_PSK_WITH_3DES_EDE_CBC_SHA"},
194     {0x0090, "TLS_DHE_PSK_WITH_AES_128_CBC_SHA"},
195     {0x0091, "TLS_DHE_PSK_WITH_AES_256_CBC_SHA"},
196     {0x0092, "TLS_RSA_PSK_WITH_RC4_128_SHA"},
197     {0x0093, "TLS_RSA_PSK_WITH_3DES_EDE_CBC_SHA"},
198     {0x0094, "TLS_RSA_PSK_WITH_AES_128_CBC_SHA"},
199     {0x0095, "TLS_RSA_PSK_WITH_AES_256_CBC_SHA"},
200     {0x0096, "TLS_RSA_WITH_SEED_CBC_SHA"},
201     {0x0097, "TLS_DH_DSS_WITH_SEED_CBC_SHA"},
202     {0x0098, "TLS_DH_RSA_WITH_SEED_CBC_SHA"},
203     {0x0099, "TLS_DHE_DSS_WITH_SEED_CBC_SHA"},
204     {0x009A, "TLS_DHE_RSA_WITH_SEED_CBC_SHA"},
205     {0x009B, "TLS_DH_anon_WITH_SEED_CBC_SHA"},
206     {0x009C, "TLS_RSA_WITH_AES_128_GCM_SHA256"},
207     {0x009D, "TLS_RSA_WITH_AES_256_GCM_SHA384"},
208     {0x009E, "TLS_DHE_RSA_WITH_AES_128_GCM_SHA256"},
209     {0x009F, "TLS_DHE_RSA_WITH_AES_256_GCM_SHA384"},
210     {0x00A0, "TLS_DH_RSA_WITH_AES_128_GCM_SHA256"},
211     {0x00A1, "TLS_DH_RSA_WITH_AES_256_GCM_SHA384"},
212     {0x00A2, "TLS_DHE_DSS_WITH_AES_128_GCM_SHA256"},
213     {0x00A3, "TLS_DHE_DSS_WITH_AES_256_GCM_SHA384"},
214     {0x00A4, "TLS_DH_DSS_WITH_AES_128_GCM_SHA256"},
215     {0x00A5, "TLS_DH_DSS_WITH_AES_256_GCM_SHA384"},
216     {0x00A6, "TLS_DH_anon_WITH_AES_128_GCM_SHA256"},
217     {0x00A7, "TLS_DH_anon_WITH_AES_256_GCM_SHA384"},
218     {0x00A8, "TLS_PSK_WITH_AES_128_GCM_SHA256"},
219     {0x00A9, "TLS_PSK_WITH_AES_256_GCM_SHA384"},
220     {0x00AA, "TLS_DHE_PSK_WITH_AES_128_GCM_SHA256"},
221     {0x00AB, "TLS_DHE_PSK_WITH_AES_256_GCM_SHA384"},
222     {0x00AC, "TLS_RSA_PSK_WITH_AES_128_GCM_SHA256"},
223     {0x00AD, "TLS_RSA_PSK_WITH_AES_256_GCM_SHA384"},
224     {0x00AE, "TLS_PSK_WITH_AES_128_CBC_SHA256"},
225     {0x00AF, "TLS_PSK_WITH_AES_256_CBC_SHA384"},
226     {0x00B0, "TLS_PSK_WITH_NULL_SHA256"},
227     {0x00B1, "TLS_PSK_WITH_NULL_SHA384"},
228     {0x00B2, "TLS_DHE_PSK_WITH_AES_128_CBC_SHA256"},
229     {0x00B3, "TLS_DHE_PSK_WITH_AES_256_CBC_SHA384"},
230     {0x00B4, "TLS_DHE_PSK_WITH_NULL_SHA256"},
231     {0x00B5, "TLS_DHE_PSK_WITH_NULL_SHA384"},
232     {0x00B6, "TLS_RSA_PSK_WITH_AES_128_CBC_SHA256"},
233     {0x00B7, "TLS_RSA_PSK_WITH_AES_256_CBC_SHA384"},
234     {0x00B8, "TLS_RSA_PSK_WITH_NULL_SHA256"},
235     {0x00B9, "TLS_RSA_PSK_WITH_NULL_SHA384"},
236     {0x00BA, "TLS_RSA_WITH_CAMELLIA_128_CBC_SHA256"},
237     {0x00BB, "TLS_DH_DSS_WITH_CAMELLIA_128_CBC_SHA256"},
238     {0x00BC, "TLS_DH_RSA_WITH_CAMELLIA_128_CBC_SHA256"},
239     {0x00BD, "TLS_DHE_DSS_WITH_CAMELLIA_128_CBC_SHA256"},
240     {0x00BE, "TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA256"},
241     {0x00BF, "TLS_DH_anon_WITH_CAMELLIA_128_CBC_SHA256"},
242     {0x00C0, "TLS_RSA_WITH_CAMELLIA_256_CBC_SHA256"},
243     {0x00C1, "TLS_DH_DSS_WITH_CAMELLIA_256_CBC_SHA256"},
244     {0x00C2, "TLS_DH_RSA_WITH_CAMELLIA_256_CBC_SHA256"},
245     {0x00C3, "TLS_DHE_DSS_WITH_CAMELLIA_256_CBC_SHA256"},
246     {0x00C4, "TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA256"},
247     {0x00C5, "TLS_DH_anon_WITH_CAMELLIA_256_CBC_SHA256"},
248     {0x00FF, "TLS_EMPTY_RENEGOTIATION_INFO_SCSV"},
249     {0x5600, "TLS_FALLBACK_SCSV"},
250     {0xC001, "TLS_ECDH_ECDSA_WITH_NULL_SHA"},
251     {0xC002, "TLS_ECDH_ECDSA_WITH_RC4_128_SHA"},
252     {0xC003, "TLS_ECDH_ECDSA_WITH_3DES_EDE_CBC_SHA"},
253     {0xC004, "TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA"},
254     {0xC005, "TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA"},
255     {0xC006, "TLS_ECDHE_ECDSA_WITH_NULL_SHA"},
256     {0xC007, "TLS_ECDHE_ECDSA_WITH_RC4_128_SHA"},
257     {0xC008, "TLS_ECDHE_ECDSA_WITH_3DES_EDE_CBC_SHA"},
258     {0xC009, "TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA"},
259     {0xC00A, "TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA"},
260     {0xC00B, "TLS_ECDH_RSA_WITH_NULL_SHA"},
261     {0xC00C, "TLS_ECDH_RSA_WITH_RC4_128_SHA"},
262     {0xC00D, "TLS_ECDH_RSA_WITH_3DES_EDE_CBC_SHA"},
263     {0xC00E, "TLS_ECDH_RSA_WITH_AES_128_CBC_SHA"},
264     {0xC00F, "TLS_ECDH_RSA_WITH_AES_256_CBC_SHA"},
265     {0xC010, "TLS_ECDHE_RSA_WITH_NULL_SHA"},
266     {0xC011, "TLS_ECDHE_RSA_WITH_RC4_128_SHA"},
267     {0xC012, "TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA"},
268     {0xC013, "TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA"},
269     {0xC014, "TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA"},
270     {0xC015, "TLS_ECDH_anon_WITH_NULL_SHA"},
271     {0xC016, "TLS_ECDH_anon_WITH_RC4_128_SHA"},
272     {0xC017, "TLS_ECDH_anon_WITH_3DES_EDE_CBC_SHA"},
273     {0xC018, "TLS_ECDH_anon_WITH_AES_128_CBC_SHA"},
274     {0xC019, "TLS_ECDH_anon_WITH_AES_256_CBC_SHA"},
275     {0xC01A, "TLS_SRP_SHA_WITH_3DES_EDE_CBC_SHA"},
276     {0xC01B, "TLS_SRP_SHA_RSA_WITH_3DES_EDE_CBC_SHA"},
277     {0xC01C, "TLS_SRP_SHA_DSS_WITH_3DES_EDE_CBC_SHA"},
278     {0xC01D, "TLS_SRP_SHA_WITH_AES_128_CBC_SHA"},
279     {0xC01E, "TLS_SRP_SHA_RSA_WITH_AES_128_CBC_SHA"},
280     {0xC01F, "TLS_SRP_SHA_DSS_WITH_AES_128_CBC_SHA"},
281     {0xC020, "TLS_SRP_SHA_WITH_AES_256_CBC_SHA"},
282     {0xC021, "TLS_SRP_SHA_RSA_WITH_AES_256_CBC_SHA"},
283     {0xC022, "TLS_SRP_SHA_DSS_WITH_AES_256_CBC_SHA"},
284     {0xC023, "TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256"},
285     {0xC024, "TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384"},
286     {0xC025, "TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA256"},
287     {0xC026, "TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA384"},
288     {0xC027, "TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256"},
289     {0xC028, "TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384"},
290     {0xC029, "TLS_ECDH_RSA_WITH_AES_128_CBC_SHA256"},
291     {0xC02A, "TLS_ECDH_RSA_WITH_AES_256_CBC_SHA384"},
292     {0xC02B, "TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256"},
293     {0xC02C, "TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384"},
294     {0xC02D, "TLS_ECDH_ECDSA_WITH_AES_128_GCM_SHA256"},
295     {0xC02E, "TLS_ECDH_ECDSA_WITH_AES_256_GCM_SHA384"},
296     {0xC02F, "TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256"},
297     {0xC030, "TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384"},
298     {0xC031, "TLS_ECDH_RSA_WITH_AES_128_GCM_SHA256"},
299     {0xC032, "TLS_ECDH_RSA_WITH_AES_256_GCM_SHA384"},
300     {0xC033, "TLS_ECDHE_PSK_WITH_RC4_128_SHA"},
301     {0xC034, "TLS_ECDHE_PSK_WITH_3DES_EDE_CBC_SHA"},
302     {0xC035, "TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA"},
303     {0xC036, "TLS_ECDHE_PSK_WITH_AES_256_CBC_SHA"},
304     {0xC037, "TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA256"},
305     {0xC038, "TLS_ECDHE_PSK_WITH_AES_256_CBC_SHA384"},
306     {0xC039, "TLS_ECDHE_PSK_WITH_NULL_SHA"},
307     {0xC03A, "TLS_ECDHE_PSK_WITH_NULL_SHA256"},
308     {0xC03B, "TLS_ECDHE_PSK_WITH_NULL_SHA384"},
309     {0xC03C, "TLS_RSA_WITH_ARIA_128_CBC_SHA256"},
310     {0xC03D, "TLS_RSA_WITH_ARIA_256_CBC_SHA384"},
311     {0xC03E, "TLS_DH_DSS_WITH_ARIA_128_CBC_SHA256"},
312     {0xC03F, "TLS_DH_DSS_WITH_ARIA_256_CBC_SHA384"},
313     {0xC040, "TLS_DH_RSA_WITH_ARIA_128_CBC_SHA256"},
314     {0xC041, "TLS_DH_RSA_WITH_ARIA_256_CBC_SHA384"},
315     {0xC042, "TLS_DHE_DSS_WITH_ARIA_128_CBC_SHA256"},
316     {0xC043, "TLS_DHE_DSS_WITH_ARIA_256_CBC_SHA384"},
317     {0xC044, "TLS_DHE_RSA_WITH_ARIA_128_CBC_SHA256"},
318     {0xC045, "TLS_DHE_RSA_WITH_ARIA_256_CBC_SHA384"},
319     {0xC046, "TLS_DH_anon_WITH_ARIA_128_CBC_SHA256"},
320     {0xC047, "TLS_DH_anon_WITH_ARIA_256_CBC_SHA384"},
321     {0xC048, "TLS_ECDHE_ECDSA_WITH_ARIA_128_CBC_SHA256"},
322     {0xC049, "TLS_ECDHE_ECDSA_WITH_ARIA_256_CBC_SHA384"},
323     {0xC04A, "TLS_ECDH_ECDSA_WITH_ARIA_128_CBC_SHA256"},
324     {0xC04B, "TLS_ECDH_ECDSA_WITH_ARIA_256_CBC_SHA384"},
325     {0xC04C, "TLS_ECDHE_RSA_WITH_ARIA_128_CBC_SHA256"},
326     {0xC04D, "TLS_ECDHE_RSA_WITH_ARIA_256_CBC_SHA384"},
327     {0xC04E, "TLS_ECDH_RSA_WITH_ARIA_128_CBC_SHA256"},
328     {0xC04F, "TLS_ECDH_RSA_WITH_ARIA_256_CBC_SHA384"},
329     {0xC050, "TLS_RSA_WITH_ARIA_128_GCM_SHA256"},
330     {0xC051, "TLS_RSA_WITH_ARIA_256_GCM_SHA384"},
331     {0xC052, "TLS_DHE_RSA_WITH_ARIA_128_GCM_SHA256"},
332     {0xC053, "TLS_DHE_RSA_WITH_ARIA_256_GCM_SHA384"},
333     {0xC054, "TLS_DH_RSA_WITH_ARIA_128_GCM_SHA256"},
334     {0xC055, "TLS_DH_RSA_WITH_ARIA_256_GCM_SHA384"},
335     {0xC056, "TLS_DHE_DSS_WITH_ARIA_128_GCM_SHA256"},
336     {0xC057, "TLS_DHE_DSS_WITH_ARIA_256_GCM_SHA384"},
337     {0xC058, "TLS_DH_DSS_WITH_ARIA_128_GCM_SHA256"},
338     {0xC059, "TLS_DH_DSS_WITH_ARIA_256_GCM_SHA384"},
339     {0xC05A, "TLS_DH_anon_WITH_ARIA_128_GCM_SHA256"},
340     {0xC05B, "TLS_DH_anon_WITH_ARIA_256_GCM_SHA384"},
341     {0xC05C, "TLS_ECDHE_ECDSA_WITH_ARIA_128_GCM_SHA256"},
342     {0xC05D, "TLS_ECDHE_ECDSA_WITH_ARIA_256_GCM_SHA384"},
343     {0xC05E, "TLS_ECDH_ECDSA_WITH_ARIA_128_GCM_SHA256"},
344     {0xC05F, "TLS_ECDH_ECDSA_WITH_ARIA_256_GCM_SHA384"},
345     {0xC060, "TLS_ECDHE_RSA_WITH_ARIA_128_GCM_SHA256"},
346     {0xC061, "TLS_ECDHE_RSA_WITH_ARIA_256_GCM_SHA384"},
347     {0xC062, "TLS_ECDH_RSA_WITH_ARIA_128_GCM_SHA256"},
348     {0xC063, "TLS_ECDH_RSA_WITH_ARIA_256_GCM_SHA384"},
349     {0xC064, "TLS_PSK_WITH_ARIA_128_CBC_SHA256"},
350     {0xC065, "TLS_PSK_WITH_ARIA_256_CBC_SHA384"},
351     {0xC066, "TLS_DHE_PSK_WITH_ARIA_128_CBC_SHA256"},
352     {0xC067, "TLS_DHE_PSK_WITH_ARIA_256_CBC_SHA384"},
353     {0xC068, "TLS_RSA_PSK_WITH_ARIA_128_CBC_SHA256"},
354     {0xC069, "TLS_RSA_PSK_WITH_ARIA_256_CBC_SHA384"},
355     {0xC06A, "TLS_PSK_WITH_ARIA_128_GCM_SHA256"},
356     {0xC06B, "TLS_PSK_WITH_ARIA_256_GCM_SHA384"},
357     {0xC06C, "TLS_DHE_PSK_WITH_ARIA_128_GCM_SHA256"},
358     {0xC06D, "TLS_DHE_PSK_WITH_ARIA_256_GCM_SHA384"},
359     {0xC06E, "TLS_RSA_PSK_WITH_ARIA_128_GCM_SHA256"},
360     {0xC06F, "TLS_RSA_PSK_WITH_ARIA_256_GCM_SHA384"},
361     {0xC070, "TLS_ECDHE_PSK_WITH_ARIA_128_CBC_SHA256"},
362     {0xC071, "TLS_ECDHE_PSK_WITH_ARIA_256_CBC_SHA384"},
363     {0xC072, "TLS_ECDHE_ECDSA_WITH_CAMELLIA_128_CBC_SHA256"},
364     {0xC073, "TLS_ECDHE_ECDSA_WITH_CAMELLIA_256_CBC_SHA384"},
365     {0xC074, "TLS_ECDH_ECDSA_WITH_CAMELLIA_128_CBC_SHA256"},
366     {0xC075, "TLS_ECDH_ECDSA_WITH_CAMELLIA_256_CBC_SHA384"},
367     {0xC076, "TLS_ECDHE_RSA_WITH_CAMELLIA_128_CBC_SHA256"},
368     {0xC077, "TLS_ECDHE_RSA_WITH_CAMELLIA_256_CBC_SHA384"},
369     {0xC078, "TLS_ECDH_RSA_WITH_CAMELLIA_128_CBC_SHA256"},
370     {0xC079, "TLS_ECDH_RSA_WITH_CAMELLIA_256_CBC_SHA384"},
371     {0xC07A, "TLS_RSA_WITH_CAMELLIA_128_GCM_SHA256"},
372     {0xC07B, "TLS_RSA_WITH_CAMELLIA_256_GCM_SHA384"},
373     {0xC07C, "TLS_DHE_RSA_WITH_CAMELLIA_128_GCM_SHA256"},
374     {0xC07D, "TLS_DHE_RSA_WITH_CAMELLIA_256_GCM_SHA384"},
375     {0xC07E, "TLS_DH_RSA_WITH_CAMELLIA_128_GCM_SHA256"},
376     {0xC07F, "TLS_DH_RSA_WITH_CAMELLIA_256_GCM_SHA384"},
377     {0xC080, "TLS_DHE_DSS_WITH_CAMELLIA_128_GCM_SHA256"},
378     {0xC081, "TLS_DHE_DSS_WITH_CAMELLIA_256_GCM_SHA384"},
379     {0xC082, "TLS_DH_DSS_WITH_CAMELLIA_128_GCM_SHA256"},
380     {0xC083, "TLS_DH_DSS_WITH_CAMELLIA_256_GCM_SHA384"},
381     {0xC084, "TLS_DH_anon_WITH_CAMELLIA_128_GCM_SHA256"},
382     {0xC085, "TLS_DH_anon_WITH_CAMELLIA_256_GCM_SHA384"},
383     {0xC086, "TLS_ECDHE_ECDSA_WITH_CAMELLIA_128_GCM_SHA256"},
384     {0xC087, "TLS_ECDHE_ECDSA_WITH_CAMELLIA_256_GCM_SHA384"},
385     {0xC088, "TLS_ECDH_ECDSA_WITH_CAMELLIA_128_GCM_SHA256"},
386     {0xC089, "TLS_ECDH_ECDSA_WITH_CAMELLIA_256_GCM_SHA384"},
387     {0xC08A, "TLS_ECDHE_RSA_WITH_CAMELLIA_128_GCM_SHA256"},
388     {0xC08B, "TLS_ECDHE_RSA_WITH_CAMELLIA_256_GCM_SHA384"},
389     {0xC08C, "TLS_ECDH_RSA_WITH_CAMELLIA_128_GCM_SHA256"},
390     {0xC08D, "TLS_ECDH_RSA_WITH_CAMELLIA_256_GCM_SHA384"},
391     {0xC08E, "TLS_PSK_WITH_CAMELLIA_128_GCM_SHA256"},
392     {0xC08F, "TLS_PSK_WITH_CAMELLIA_256_GCM_SHA384"},
393     {0xC090, "TLS_DHE_PSK_WITH_CAMELLIA_128_GCM_SHA256"},
394     {0xC091, "TLS_DHE_PSK_WITH_CAMELLIA_256_GCM_SHA384"},
395     {0xC092, "TLS_RSA_PSK_WITH_CAMELLIA_128_GCM_SHA256"},
396     {0xC093, "TLS_RSA_PSK_WITH_CAMELLIA_256_GCM_SHA384"},
397     {0xC094, "TLS_PSK_WITH_CAMELLIA_128_CBC_SHA256"},
398     {0xC095, "TLS_PSK_WITH_CAMELLIA_256_CBC_SHA384"},
399     {0xC096, "TLS_DHE_PSK_WITH_CAMELLIA_128_CBC_SHA256"},
400     {0xC097, "TLS_DHE_PSK_WITH_CAMELLIA_256_CBC_SHA384"},
401     {0xC098, "TLS_RSA_PSK_WITH_CAMELLIA_128_CBC_SHA256"},
402     {0xC099, "TLS_RSA_PSK_WITH_CAMELLIA_256_CBC_SHA384"},
403     {0xC09A, "TLS_ECDHE_PSK_WITH_CAMELLIA_128_CBC_SHA256"},
404     {0xC09B, "TLS_ECDHE_PSK_WITH_CAMELLIA_256_CBC_SHA384"},
405     {0xC09C, "TLS_RSA_WITH_AES_128_CCM"},
406     {0xC09D, "TLS_RSA_WITH_AES_256_CCM"},
407     {0xC09E, "TLS_DHE_RSA_WITH_AES_128_CCM"},
408     {0xC09F, "TLS_DHE_RSA_WITH_AES_256_CCM"},
409     {0xC0A0, "TLS_RSA_WITH_AES_128_CCM_8"},
410     {0xC0A1, "TLS_RSA_WITH_AES_256_CCM_8"},
411     {0xC0A2, "TLS_DHE_RSA_WITH_AES_128_CCM_8"},
412     {0xC0A3, "TLS_DHE_RSA_WITH_AES_256_CCM_8"},
413     {0xC0A4, "TLS_PSK_WITH_AES_128_CCM"},
414     {0xC0A5, "TLS_PSK_WITH_AES_256_CCM"},
415     {0xC0A6, "TLS_DHE_PSK_WITH_AES_128_CCM"},
416     {0xC0A7, "TLS_DHE_PSK_WITH_AES_256_CCM"},
417     {0xC0A8, "TLS_PSK_WITH_AES_128_CCM_8"},
418     {0xC0A9, "TLS_PSK_WITH_AES_256_CCM_8"},
419     {0xC0AA, "TLS_PSK_DHE_WITH_AES_128_CCM_8"},
420     {0xC0AB, "TLS_PSK_DHE_WITH_AES_256_CCM_8"},
421     {0xC0AC, "TLS_ECDHE_ECDSA_WITH_AES_128_CCM"},
422     {0xC0AD, "TLS_ECDHE_ECDSA_WITH_AES_256_CCM"},
423     {0xC0AE, "TLS_ECDHE_ECDSA_WITH_AES_128_CCM_8"},
424     {0xC0AF, "TLS_ECDHE_ECDSA_WITH_AES_256_CCM_8"},
425     {0xCCA8, "TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305"},
426     {0xCCA9, "TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305"},
427     {0xCCAA, "TLS_DHE_RSA_WITH_CHACHA20_POLY1305"},
428     {0xCCAB, "TLS_PSK_WITH_CHACHA20_POLY1305"},
429     {0xCCAC, "TLS_ECDHE_PSK_WITH_CHACHA20_POLY1305"},
430     {0xCCAD, "TLS_DHE_PSK_WITH_CHACHA20_POLY1305"},
431     {0xCCAE, "TLS_RSA_PSK_WITH_CHACHA20_POLY1305"},
432     {0x1301, "TLS_AES_128_GCM_SHA256"},
433     {0x1302, "TLS_AES_256_GCM_SHA384"},
434     {0x1303, "TLS_CHACHA20_POLY1305_SHA256"},
435     {0x1304, "TLS_AES_128_CCM_SHA256"},
436     {0x1305, "TLS_AES_128_CCM_8_SHA256"},
437     {0xFEFE, "SSL_RSA_FIPS_WITH_DES_CBC_SHA"},
438     {0xFEFF, "SSL_RSA_FIPS_WITH_3DES_EDE_CBC_SHA"},
439 };
440
441 /* Compression methods */
442 static ssl_trace_tbl ssl_comp_tbl[] = {
443     {0x0000, "No Compression"},
444     {0x0001, "Zlib Compression"}
445 };
446
447 /* Extensions */
448 static ssl_trace_tbl ssl_exts_tbl[] = {
449     {TLSEXT_TYPE_server_name, "server_name"},
450     {TLSEXT_TYPE_max_fragment_length, "max_fragment_length"},
451     {TLSEXT_TYPE_client_certificate_url, "client_certificate_url"},
452     {TLSEXT_TYPE_trusted_ca_keys, "trusted_ca_keys"},
453     {TLSEXT_TYPE_truncated_hmac, "truncated_hmac"},
454     {TLSEXT_TYPE_status_request, "status_request"},
455     {TLSEXT_TYPE_user_mapping, "user_mapping"},
456     {TLSEXT_TYPE_client_authz, "client_authz"},
457     {TLSEXT_TYPE_server_authz, "server_authz"},
458     {TLSEXT_TYPE_cert_type, "cert_type"},
459     {TLSEXT_TYPE_key_share, "key_share"},
460     {TLSEXT_TYPE_psk, "psk"},
461     {TLSEXT_TYPE_psk_kex_modes, "psk_key_exchange_modes"},
462     {TLSEXT_TYPE_supported_groups, "supported_groups"},
463     {TLSEXT_TYPE_ec_point_formats, "ec_point_formats"},
464     {TLSEXT_TYPE_srp, "srp"},
465     {TLSEXT_TYPE_signature_algorithms, "signature_algorithms"},
466     {TLSEXT_TYPE_use_srtp, "use_srtp"},
467     {TLSEXT_TYPE_session_ticket, "session_ticket"},
468     {TLSEXT_TYPE_supported_versions, "supported_versions"},
469     {TLSEXT_TYPE_renegotiate, "renegotiate"},
470 # ifndef OPENSSL_NO_NEXTPROTONEG
471     {TLSEXT_TYPE_next_proto_neg, "next_proto_neg"},
472 # endif
473     {TLSEXT_TYPE_application_layer_protocol_negotiation,
474      "application_layer_protocol_negotiation"},
475     {TLSEXT_TYPE_signed_certificate_timestamp, "signed_certificate_timestamps"},
476     {TLSEXT_TYPE_padding, "padding"},
477     {TLSEXT_TYPE_encrypt_then_mac, "encrypt_then_mac"},
478     {TLSEXT_TYPE_extended_master_secret, "extended_master_secret"},
479     {TLSEXT_TYPE_early_data_info, "ticket_early_data_info"},
480     {TLSEXT_TYPE_early_data, "early_data"}
481 };
482
483 static ssl_trace_tbl ssl_groups_tbl[] = {
484     {1, "sect163k1 (K-163)"},
485     {2, "sect163r1"},
486     {3, "sect163r2 (B-163)"},
487     {4, "sect193r1"},
488     {5, "sect193r2"},
489     {6, "sect233k1 (K-233)"},
490     {7, "sect233r1 (B-233)"},
491     {8, "sect239k1"},
492     {9, "sect283k1 (K-283)"},
493     {10, "sect283r1 (B-283)"},
494     {11, "sect409k1 (K-409)"},
495     {12, "sect409r1 (B-409)"},
496     {13, "sect571k1 (K-571)"},
497     {14, "sect571r1 (B-571)"},
498     {15, "secp160k1"},
499     {16, "secp160r1"},
500     {17, "secp160r2"},
501     {18, "secp192k1"},
502     {19, "secp192r1 (P-192)"},
503     {20, "secp224k1"},
504     {21, "secp224r1 (P-224)"},
505     {22, "secp256k1"},
506     {23, "secp256r1 (P-256)"},
507     {24, "secp384r1 (P-384)"},
508     {25, "secp521r1 (P-521)"},
509     {26, "brainpoolP256r1"},
510     {27, "brainpoolP384r1"},
511     {28, "brainpoolP512r1"},
512     {29, "ecdh_x25519"},
513     {256, "ffdhe2048"},
514     {257, "ffdhe3072"},
515     {258, "ffdhe4096"},
516     {259, "ffdhe6144"},
517     {260, "ffdhe8192"},
518     {0xFF01, "arbitrary_explicit_prime_curves"},
519     {0xFF02, "arbitrary_explicit_char2_curves"}
520 };
521
522 static ssl_trace_tbl ssl_point_tbl[] = {
523     {0, "uncompressed"},
524     {1, "ansiX962_compressed_prime"},
525     {2, "ansiX962_compressed_char2"}
526 };
527
528 static ssl_trace_tbl ssl_sigalg_tbl[] = {
529     {TLSEXT_SIGALG_ecdsa_secp256r1_sha256, "ecdsa_secp256r1_sha256"},
530     {TLSEXT_SIGALG_ecdsa_secp384r1_sha384, "ecdsa_secp384r1_sha384"},
531     {TLSEXT_SIGALG_ecdsa_secp521r1_sha512, "ecdsa_secp521r1_sha512"},
532     {TLSEXT_SIGALG_ecdsa_sha1, "ecdsa_sha1"},
533     {TLSEXT_SIGALG_rsa_pss_sha256, "rsa_pss_sha256"},
534     {TLSEXT_SIGALG_rsa_pss_sha384, "rsa_pss_sha384"},
535     {TLSEXT_SIGALG_rsa_pss_sha512, "rsa_pss_sha512"},
536     {TLSEXT_SIGALG_rsa_pkcs1_sha256, "rsa_pkcs1_sha256"},
537     {TLSEXT_SIGALG_rsa_pkcs1_sha384, "rsa_pkcs1_sha384"},
538     {TLSEXT_SIGALG_rsa_pkcs1_sha512, "rsa_pkcs1_sha512"},
539     {TLSEXT_SIGALG_rsa_pkcs1_sha1, "rsa_pkcs1_sha1"},
540     {TLSEXT_SIGALG_dsa_sha256, "dsa_sha256"},
541     {TLSEXT_SIGALG_dsa_sha384, "dsa_sha384"},
542     {TLSEXT_SIGALG_dsa_sha512, "dsa_sha512"},
543     {TLSEXT_SIGALG_dsa_sha1, "dsa_sha1"},
544     {TLSEXT_SIGALG_gostr34102012_256_gostr34112012_256, "gost2012_256"},
545     {TLSEXT_SIGALG_gostr34102012_512_gostr34112012_512, "gost2012_512"},
546     {TLSEXT_SIGALG_gostr34102001_gostr3411, "gost2001_gost94"},
547 };
548
549 static ssl_trace_tbl ssl_ctype_tbl[] = {
550     {1, "rsa_sign"},
551     {2, "dss_sign"},
552     {3, "rsa_fixed_dh"},
553     {4, "dss_fixed_dh"},
554     {5, "rsa_ephemeral_dh"},
555     {6, "dss_ephemeral_dh"},
556     {20, "fortezza_dms"},
557     {64, "ecdsa_sign"},
558     {65, "rsa_fixed_ecdh"},
559     {66, "ecdsa_fixed_ecdh"}
560 };
561
562 static ssl_trace_tbl ssl_psk_kex_modes_tbl[] = {
563     {TLSEXT_KEX_MODE_KE, "psk_ke"},
564     {TLSEXT_KEX_MODE_KE_DHE, "psk_dhe_ke"}
565 };
566
567 static ssl_trace_tbl ssl_crypto_tbl[] = {
568     {TLS1_RT_CRYPTO_PREMASTER, "Premaster Secret"},
569     {TLS1_RT_CRYPTO_CLIENT_RANDOM, "Client Random"},
570     {TLS1_RT_CRYPTO_SERVER_RANDOM, "Server Random"},
571     {TLS1_RT_CRYPTO_MASTER, "Master Secret"},
572     {TLS1_RT_CRYPTO_MAC | TLS1_RT_CRYPTO_WRITE, "Write Mac Secret"},
573     {TLS1_RT_CRYPTO_MAC | TLS1_RT_CRYPTO_READ, "Read Mac Secret"},
574     {TLS1_RT_CRYPTO_KEY | TLS1_RT_CRYPTO_WRITE, "Write Key"},
575     {TLS1_RT_CRYPTO_KEY | TLS1_RT_CRYPTO_READ, "Read Key"},
576     {TLS1_RT_CRYPTO_IV | TLS1_RT_CRYPTO_WRITE, "Write IV"},
577     {TLS1_RT_CRYPTO_IV | TLS1_RT_CRYPTO_READ, "Read IV"},
578     {TLS1_RT_CRYPTO_FIXED_IV | TLS1_RT_CRYPTO_WRITE, "Write IV (fixed part)"},
579     {TLS1_RT_CRYPTO_FIXED_IV | TLS1_RT_CRYPTO_READ, "Read IV (fixed part)"}
580 };
581
582 static ssl_trace_tbl ssl_key_update_tbl[] = {
583     {SSL_KEY_UPDATE_NOT_REQUESTED, "update_not_requested"},
584     {SSL_KEY_UPDATE_REQUESTED, "update_requested"}
585 };
586
587 static void ssl_print_hex(BIO *bio, int indent, const char *name,
588                           const unsigned char *msg, size_t msglen)
589 {
590     size_t i;
591
592     BIO_indent(bio, indent, 80);
593     BIO_printf(bio, "%s (len=%d): ", name, (int)msglen);
594     for (i = 0; i < msglen; i++)
595         BIO_printf(bio, "%02X", msg[i]);
596     BIO_puts(bio, "\n");
597 }
598
599 static int ssl_print_hexbuf(BIO *bio, int indent,
600                             const char *name, size_t nlen,
601                             const unsigned char **pmsg, size_t *pmsglen)
602 {
603     size_t blen;
604     const unsigned char *p = *pmsg;
605
606     if (*pmsglen < nlen)
607         return 0;
608     blen = p[0];
609     if (nlen > 1)
610         blen = (blen << 8) | p[1];
611     if (*pmsglen < nlen + blen)
612         return 0;
613     p += nlen;
614     ssl_print_hex(bio, indent, name, p, blen);
615     *pmsg += blen + nlen;
616     *pmsglen -= blen + nlen;
617     return 1;
618 }
619
620 static int ssl_print_version(BIO *bio, int indent, const char *name,
621                              const unsigned char **pmsg, size_t *pmsglen,
622                              unsigned int *version)
623 {
624     int vers;
625
626     if (*pmsglen < 2)
627         return 0;
628     vers = ((*pmsg)[0] << 8) | (*pmsg)[1];
629     if (version != NULL) {
630         /* TODO(TLS1.3): Remove the draft conditional here before release */
631         *version = (vers == TLS1_3_VERSION_DRAFT) ? TLS1_3_VERSION : vers;
632     }
633     BIO_indent(bio, indent, 80);
634     BIO_printf(bio, "%s=0x%x (%s)\n",
635                name, vers, ssl_trace_str(vers, ssl_version_tbl));
636     *pmsg += 2;
637     *pmsglen -= 2;
638     return 1;
639 }
640
641 static int ssl_print_random(BIO *bio, int indent,
642                             const unsigned char **pmsg, size_t *pmsglen)
643 {
644     unsigned int tm;
645     const unsigned char *p = *pmsg;
646
647     if (*pmsglen < 32)
648         return 0;
649     tm = (p[0] << 24) | (p[1] << 16) | (p[2] << 8) | p[3];
650     p += 4;
651     BIO_indent(bio, indent, 80);
652     BIO_puts(bio, "Random:\n");
653     BIO_indent(bio, indent + 2, 80);
654     BIO_printf(bio, "gmt_unix_time=0x%08X\n", tm);
655     ssl_print_hex(bio, indent + 2, "random_bytes", p, 28);
656     *pmsg += 32;
657     *pmsglen -= 32;
658     return 1;
659 }
660
661 static int ssl_print_signature(BIO *bio, int indent, SSL *s,
662                                const unsigned char **pmsg, size_t *pmsglen)
663 {
664     if (*pmsglen < 2)
665         return 0;
666     if (SSL_USE_SIGALGS(s)) {
667         const unsigned char *p = *pmsg;
668         unsigned int sigalg = (p[0] << 8) | p[1];
669
670         BIO_indent(bio, indent, 80);
671         BIO_printf(bio, "Signature Algorithm: %s (0x%04x)\n",
672                    ssl_trace_str(sigalg, ssl_sigalg_tbl), sigalg);
673         *pmsg += 2;
674         *pmsglen -= 2;
675     }
676     return ssl_print_hexbuf(bio, indent, "Signature", 2, pmsg, pmsglen);
677 }
678
679 static int ssl_print_extension(BIO *bio, int indent, int server,
680                                unsigned char mt, int extype,
681                                const unsigned char *ext, size_t extlen)
682 {
683     size_t xlen, share_len;
684     unsigned int sigalg;
685     uint32_t max_early_data;
686
687     BIO_indent(bio, indent, 80);
688     BIO_printf(bio, "extension_type=%s(%d), length=%d\n",
689                ssl_trace_str(extype, ssl_exts_tbl), extype, (int)extlen);
690     switch (extype) {
691     case TLSEXT_TYPE_ec_point_formats:
692         if (extlen < 1)
693             return 0;
694         xlen = ext[0];
695         if (extlen != xlen + 1)
696             return 0;
697         return ssl_trace_list(bio, indent + 2, ext + 1, xlen, 1, ssl_point_tbl);
698
699     case TLSEXT_TYPE_supported_groups:
700         if (extlen < 2)
701             return 0;
702         xlen = (ext[0] << 8) | ext[1];
703         if (extlen != xlen + 2)
704             return 0;
705         return ssl_trace_list(bio, indent + 2, ext + 2, xlen, 2, ssl_groups_tbl);
706     case TLSEXT_TYPE_application_layer_protocol_negotiation:
707         if (extlen < 2)
708             return 0;
709         xlen = (ext[0] << 8) | ext[1];
710         if (extlen != xlen + 2)
711             return 0;
712         ext += 2;
713         while (xlen > 0) {
714             size_t plen = *ext++;
715
716             if (plen > xlen + 1)
717                 return 0;
718             BIO_indent(bio, indent + 2, 80);
719             BIO_write(bio, ext, plen);
720             BIO_puts(bio, "\n");
721             ext += plen;
722             xlen -= plen + 1;
723         }
724         return 1;
725
726     case TLSEXT_TYPE_signature_algorithms:
727
728         if (extlen < 2)
729             return 0;
730         xlen = (ext[0] << 8) | ext[1];
731         if (extlen != xlen + 2)
732             return 0;
733         if (xlen & 1)
734             return 0;
735         ext += 2;
736         while (xlen > 0) {
737             BIO_indent(bio, indent + 2, 80);
738             sigalg = (ext[0] << 8) | ext[1];
739             BIO_printf(bio, "%s (0x%04x)\n",
740                        ssl_trace_str(sigalg, ssl_sigalg_tbl), sigalg);
741             xlen -= 2;
742             ext += 2;
743         }
744         break;
745
746     case TLSEXT_TYPE_renegotiate:
747         if (extlen < 1)
748             return 0;
749         xlen = ext[0];
750         if (xlen + 1 != extlen)
751             return 0;
752         ext++;
753         if (xlen) {
754             if (server) {
755                 if (xlen & 1)
756                     return 0;
757                 xlen >>= 1;
758             }
759             ssl_print_hex(bio, indent + 4, "client_verify_data", ext, xlen);
760             if (server) {
761                 ext += xlen;
762                 ssl_print_hex(bio, indent + 4, "server_verify_data", ext, xlen);
763             }
764         } else {
765             BIO_indent(bio, indent + 4, 80);
766             BIO_puts(bio, "<EMPTY>\n");
767         }
768         break;
769
770     case TLSEXT_TYPE_heartbeat:
771         return 0;
772
773     case TLSEXT_TYPE_session_ticket:
774         if (extlen != 0)
775             ssl_print_hex(bio, indent + 4, "ticket", ext, extlen);
776         break;
777
778     case TLSEXT_TYPE_key_share:
779         if (mt == SSL3_MT_HELLO_RETRY_REQUEST) {
780             int group_id;
781
782             if (extlen != 2)
783                 return 0;
784             group_id = (ext[0] << 8) | ext[1];
785             BIO_indent(bio, indent + 4, 80);
786             BIO_printf(bio, "NamedGroup: %s (%d)\n",
787                        ssl_trace_str(group_id, ssl_groups_tbl), group_id);
788             break;
789         }
790         if (extlen < 2)
791             return 0;
792         if (server) {
793             xlen = extlen;
794         } else {
795             xlen = (ext[0] << 8) | ext[1];
796             if (extlen != xlen + 2)
797                 return 0;
798             ext += 2;
799         }
800         for (; xlen > 0; ext += share_len, xlen -= share_len) {
801             int group_id;
802
803             if (xlen < 4)
804                 return 0;
805             group_id = (ext[0] << 8) | ext[1];
806             share_len = (ext[2] << 8) | ext[3];
807             ext += 4;
808             xlen -= 4;
809             if (xlen < share_len)
810                 return 0;
811             BIO_indent(bio, indent + 4, 80);
812             BIO_printf(bio, "NamedGroup: %s (%d)\n",
813                        ssl_trace_str(group_id, ssl_groups_tbl), group_id);
814             ssl_print_hex(bio, indent + 4, "key_exchange: ", ext, share_len);
815         }
816         break;
817
818     case TLSEXT_TYPE_supported_versions:
819         if (extlen < 1)
820             return 0;
821         xlen = ext[0];
822         if (extlen != xlen + 1)
823             return 0;
824         return ssl_trace_list(bio, indent + 2, ext + 1, xlen, 2,
825                               ssl_version_tbl);
826
827     case TLSEXT_TYPE_psk_kex_modes:
828         if (extlen < 1)
829             return 0;
830         xlen = ext[0];
831         if (extlen != xlen + 1)
832             return 0;
833         return ssl_trace_list(bio, indent + 2, ext + 1, xlen, 1,
834                               ssl_psk_kex_modes_tbl);
835
836     case TLSEXT_TYPE_early_data_info:
837         if (extlen != 4)
838             return 0;
839         max_early_data = (ext[0] << 24) | (ext[1] << 16) | (ext[2] << 8)
840                          | ext[3];
841         BIO_indent(bio, indent + 2, 80);
842         BIO_printf(bio, "max_early_data=%u\n", max_early_data);
843         break;
844
845     default:
846         BIO_dump_indent(bio, (const char *)ext, extlen, indent + 2);
847     }
848     return 1;
849 }
850
851 static int ssl_print_extensions(BIO *bio, int indent, int server,
852                                 unsigned char mt, const unsigned char **msgin,
853                                 size_t *msginlen)
854 {
855     size_t extslen, msglen = *msginlen;
856     const unsigned char *msg = *msgin;
857
858     BIO_indent(bio, indent, 80);
859     if (msglen == 0) {
860         BIO_puts(bio, "No Extensions\n");
861         return 1;
862     }
863     extslen = (msg[0] << 8) | msg[1];
864     if (extslen != msglen - 2)
865         return 0;
866     msg += 2;
867     msglen = extslen;
868     BIO_printf(bio, "extensions, length = %d\n", (int)msglen);
869     while (msglen > 0) {
870         int extype;
871         size_t extlen;
872         if (msglen < 4)
873             return 0;
874         extype = (msg[0] << 8) | msg[1];
875         extlen = (msg[2] << 8) | msg[3];
876         if (msglen < extlen + 4)
877             return 0;
878         msg += 4;
879         if (!ssl_print_extension(bio, indent + 2, server, mt, extype, msg,
880                                  extlen))
881             return 0;
882         msg += extlen;
883         msglen -= extlen + 4;
884     }
885
886     *msgin = msg;
887     *msginlen = msglen;
888     return 1;
889 }
890
891 static int ssl_print_client_hello(BIO *bio, SSL *ssl, int indent,
892                                   const unsigned char *msg, size_t msglen)
893 {
894     size_t len;
895     unsigned int cs;
896
897     if (!ssl_print_version(bio, indent, "client_version", &msg, &msglen, NULL))
898         return 0;
899     if (!ssl_print_random(bio, indent, &msg, &msglen))
900         return 0;
901     if (!ssl_print_hexbuf(bio, indent, "session_id", 1, &msg, &msglen))
902         return 0;
903     if (SSL_IS_DTLS(ssl)) {
904         if (!ssl_print_hexbuf(bio, indent, "cookie", 1, &msg, &msglen))
905             return 0;
906     }
907     if (msglen < 2)
908         return 0;
909     len = (msg[0] << 8) | msg[1];
910     msg += 2;
911     msglen -= 2;
912     BIO_indent(bio, indent, 80);
913     BIO_printf(bio, "cipher_suites (len=%d)\n", (int)len);
914     if (msglen < len || len & 1)
915         return 0;
916     while (len > 0) {
917         cs = (msg[0] << 8) | msg[1];
918         BIO_indent(bio, indent + 2, 80);
919         BIO_printf(bio, "{0x%02X, 0x%02X} %s\n",
920                    msg[0], msg[1], ssl_trace_str(cs, ssl_ciphers_tbl));
921         msg += 2;
922         msglen -= 2;
923         len -= 2;
924     }
925     if (msglen < 1)
926         return 0;
927     len = msg[0];
928     msg++;
929     msglen--;
930     if (msglen < len)
931         return 0;
932     BIO_indent(bio, indent, 80);
933     BIO_printf(bio, "compression_methods (len=%d)\n", (int)len);
934     while (len > 0) {
935         BIO_indent(bio, indent + 2, 80);
936         BIO_printf(bio, "%s (0x%02X)\n",
937                    ssl_trace_str(msg[0], ssl_comp_tbl), msg[0]);
938         msg++;
939         msglen--;
940         len--;
941     }
942     if (!ssl_print_extensions(bio, indent, 0, SSL3_MT_CLIENT_HELLO, &msg,
943                               &msglen))
944         return 0;
945     return 1;
946 }
947
948 static int dtls_print_hello_vfyrequest(BIO *bio, int indent,
949                                        const unsigned char *msg, size_t msglen)
950 {
951     if (!ssl_print_version(bio, indent, "server_version", &msg, &msglen, NULL))
952         return 0;
953     if (!ssl_print_hexbuf(bio, indent, "cookie", 1, &msg, &msglen))
954         return 0;
955     return 1;
956 }
957
958 static int ssl_print_server_hello(BIO *bio, int indent,
959                                   const unsigned char *msg, size_t msglen)
960 {
961     unsigned int cs;
962     unsigned int vers;
963
964     if (!ssl_print_version(bio, indent, "server_version", &msg, &msglen, &vers))
965         return 0;
966     if (!ssl_print_random(bio, indent, &msg, &msglen))
967         return 0;
968     if (vers != TLS1_3_VERSION
969             && !ssl_print_hexbuf(bio, indent, "session_id", 1, &msg, &msglen))
970         return 0;
971     if (msglen < 2)
972         return 0;
973     cs = (msg[0] << 8) | msg[1];
974     BIO_indent(bio, indent, 80);
975     BIO_printf(bio, "cipher_suite {0x%02X, 0x%02X} %s\n",
976                msg[0], msg[1], ssl_trace_str(cs, ssl_ciphers_tbl));
977     msg += 2;
978     msglen -= 2;
979     if (vers != TLS1_3_VERSION) {
980         if (msglen < 1)
981             return 0;
982         BIO_indent(bio, indent, 80);
983         BIO_printf(bio, "compression_method: %s (0x%02X)\n",
984                    ssl_trace_str(msg[0], ssl_comp_tbl), msg[0]);
985         msg++;
986         msglen--;
987     }
988     if (!ssl_print_extensions(bio, indent, 1, SSL3_MT_SERVER_HELLO, &msg,
989                               &msglen))
990         return 0;
991     return 1;
992 }
993
994 static int ssl_get_keyex(const char **pname, SSL *ssl)
995 {
996     unsigned long alg_k = ssl->s3->tmp.new_cipher->algorithm_mkey;
997
998     if (alg_k & SSL_kRSA) {
999         *pname = "rsa";
1000         return SSL_kRSA;
1001     }
1002     if (alg_k & SSL_kDHE) {
1003         *pname = "DHE";
1004         return SSL_kDHE;
1005     }
1006     if (alg_k & SSL_kECDHE) {
1007         *pname = "ECDHE";
1008         return SSL_kECDHE;
1009     }
1010     if (alg_k & SSL_kPSK) {
1011         *pname = "PSK";
1012         return SSL_kPSK;
1013     }
1014     if (alg_k & SSL_kRSAPSK) {
1015         *pname = "RSAPSK";
1016         return SSL_kRSAPSK;
1017     }
1018     if (alg_k & SSL_kDHEPSK) {
1019         *pname = "DHEPSK";
1020         return SSL_kDHEPSK;
1021     }
1022     if (alg_k & SSL_kECDHEPSK) {
1023         *pname = "ECDHEPSK";
1024         return SSL_kECDHEPSK;
1025     }
1026     if (alg_k & SSL_kSRP) {
1027         *pname = "SRP";
1028         return SSL_kSRP;
1029     }
1030     if (alg_k & SSL_kGOST) {
1031         *pname = "GOST";
1032         return SSL_kGOST;
1033     }
1034     *pname = "UNKNOWN";
1035     return 0;
1036 }
1037
1038 static int ssl_print_client_keyex(BIO *bio, int indent, SSL *ssl,
1039                                   const unsigned char *msg, size_t msglen)
1040 {
1041     const char *algname;
1042     int id = ssl_get_keyex(&algname, ssl);
1043
1044     BIO_indent(bio, indent, 80);
1045     BIO_printf(bio, "KeyExchangeAlgorithm=%s\n", algname);
1046     if (id & SSL_PSK) {
1047         if (!ssl_print_hexbuf(bio, indent + 2,
1048                               "psk_identity", 2, &msg, &msglen))
1049             return 0;
1050     }
1051     switch (id) {
1052
1053     case SSL_kRSA:
1054     case SSL_kRSAPSK:
1055         if (TLS1_get_version(ssl) == SSL3_VERSION) {
1056             ssl_print_hex(bio, indent + 2,
1057                           "EncyptedPreMasterSecret", msg, msglen);
1058         } else {
1059             if (!ssl_print_hexbuf(bio, indent + 2,
1060                                   "EncyptedPreMasterSecret", 2, &msg, &msglen))
1061                 return 0;
1062         }
1063         break;
1064
1065     case SSL_kDHE:
1066     case SSL_kDHEPSK:
1067         if (!ssl_print_hexbuf(bio, indent + 2, "dh_Yc", 2, &msg, &msglen))
1068             return 0;
1069         break;
1070
1071     case SSL_kECDHE:
1072     case SSL_kECDHEPSK:
1073         if (!ssl_print_hexbuf(bio, indent + 2, "ecdh_Yc", 1, &msg, &msglen))
1074             return 0;
1075         break;
1076
1077     }
1078
1079     return !msglen;
1080 }
1081
1082 static int ssl_print_server_keyex(BIO *bio, int indent, SSL *ssl,
1083                                   const unsigned char *msg, size_t msglen)
1084 {
1085     const char *algname;
1086     int id = ssl_get_keyex(&algname, ssl);
1087
1088     BIO_indent(bio, indent, 80);
1089     BIO_printf(bio, "KeyExchangeAlgorithm=%s\n", algname);
1090     if (id & SSL_PSK) {
1091         if (!ssl_print_hexbuf(bio, indent + 2,
1092                               "psk_identity_hint", 2, &msg, &msglen))
1093             return 0;
1094     }
1095     switch (id) {
1096     case SSL_kRSA:
1097
1098         if (!ssl_print_hexbuf(bio, indent + 2, "rsa_modulus", 2, &msg, &msglen))
1099             return 0;
1100         if (!ssl_print_hexbuf(bio, indent + 2, "rsa_exponent", 2,
1101                               &msg, &msglen))
1102             return 0;
1103         break;
1104
1105     case SSL_kDHE:
1106     case SSL_kDHEPSK:
1107         if (!ssl_print_hexbuf(bio, indent + 2, "dh_p", 2, &msg, &msglen))
1108             return 0;
1109         if (!ssl_print_hexbuf(bio, indent + 2, "dh_g", 2, &msg, &msglen))
1110             return 0;
1111         if (!ssl_print_hexbuf(bio, indent + 2, "dh_Ys", 2, &msg, &msglen))
1112             return 0;
1113         break;
1114
1115 # ifndef OPENSSL_NO_EC
1116     case SSL_kECDHE:
1117     case SSL_kECDHEPSK:
1118         if (msglen < 1)
1119             return 0;
1120         BIO_indent(bio, indent + 2, 80);
1121         if (msg[0] == EXPLICIT_PRIME_CURVE_TYPE)
1122             BIO_puts(bio, "explicit_prime\n");
1123         else if (msg[0] == EXPLICIT_CHAR2_CURVE_TYPE)
1124             BIO_puts(bio, "explicit_char2\n");
1125         else if (msg[0] == NAMED_CURVE_TYPE) {
1126             int curve;
1127             if (msglen < 3)
1128                 return 0;
1129             curve = (msg[1] << 8) | msg[2];
1130             BIO_printf(bio, "named_curve: %s (%d)\n",
1131                        ssl_trace_str(curve, ssl_groups_tbl), curve);
1132             msg += 3;
1133             msglen -= 3;
1134             if (!ssl_print_hexbuf(bio, indent + 2, "point", 1, &msg, &msglen))
1135                 return 0;
1136         } else {
1137             BIO_printf(bio, "UNKNOWN CURVE PARAMETER TYPE %d\n", msg[0]);
1138             return 0;
1139         }
1140         break;
1141 # endif
1142
1143     case SSL_kPSK:
1144     case SSL_kRSAPSK:
1145         break;
1146     }
1147     if (!(id & SSL_PSK))
1148         ssl_print_signature(bio, indent, ssl, &msg, &msglen);
1149     return !msglen;
1150 }
1151
1152 static int ssl_print_certificate(BIO *bio, int indent,
1153                                  const unsigned char **pmsg, size_t *pmsglen)
1154 {
1155     size_t msglen = *pmsglen;
1156     size_t clen;
1157     X509 *x;
1158     const unsigned char *p = *pmsg, *q;
1159
1160     if (msglen < 3)
1161         return 0;
1162     clen = (p[0] << 16) | (p[1] << 8) | p[2];
1163     if (msglen < clen + 3)
1164         return 0;
1165     q = p + 3;
1166     BIO_indent(bio, indent, 80);
1167     BIO_printf(bio, "ASN.1Cert, length=%d", (int)clen);
1168     x = d2i_X509(NULL, &q, clen);
1169     if (!x)
1170         BIO_puts(bio, "<UNPARSEABLE CERTIFICATE>\n");
1171     else {
1172         BIO_puts(bio, "\n------details-----\n");
1173         X509_print_ex(bio, x, XN_FLAG_ONELINE, 0);
1174         PEM_write_bio_X509(bio, x);
1175         /* Print certificate stuff */
1176         BIO_puts(bio, "------------------\n");
1177         X509_free(x);
1178     }
1179     if (q != p + 3 + clen) {
1180         BIO_puts(bio, "<TRAILING GARBAGE AFTER CERTIFICATE>\n");
1181     }
1182     *pmsg += clen + 3;
1183     *pmsglen -= clen + 3;
1184     return 1;
1185 }
1186
1187 static int ssl_print_certificates(BIO *bio, SSL *s, int server, int indent,
1188                                   const unsigned char *msg, size_t msglen)
1189 {
1190     size_t clen;
1191
1192     if (SSL_IS_TLS13(s)
1193             && !ssl_print_hexbuf(bio, indent, "context", 1, &msg, &msglen))
1194         return 0;
1195
1196     if (msglen < 3)
1197         return 0;
1198     clen = (msg[0] << 16) | (msg[1] << 8) | msg[2];
1199     if (msglen != clen + 3)
1200         return 0;
1201     msg += 3;
1202     BIO_indent(bio, indent, 80);
1203     BIO_printf(bio, "certificate_list, length=%d\n", (int)clen);
1204     while (clen > 0) {
1205         if (!ssl_print_certificate(bio, indent + 2, &msg, &clen))
1206             return 0;
1207         if (!ssl_print_extensions(bio, indent + 2, server, SSL3_MT_CERTIFICATE,
1208                                   &msg, &clen))
1209             return 0;
1210
1211     }
1212     return 1;
1213 }
1214
1215 static int ssl_print_cert_request(BIO *bio, int indent, SSL *s,
1216                                   const unsigned char *msg, size_t msglen)
1217 {
1218     size_t xlen;
1219     unsigned int sigalg;
1220
1221     if (SSL_IS_TLS13(s)) {
1222         if (!ssl_print_hexbuf(bio, indent, "request_context", 1, &msg, &msglen))
1223             return 0;
1224     } else {
1225         if (msglen < 1)
1226             return 0;
1227         xlen = msg[0];
1228         if (msglen < xlen + 1)
1229             return 0;
1230         msg++;
1231         BIO_indent(bio, indent, 80);
1232         BIO_printf(bio, "certificate_types (len=%d)\n", (int)xlen);
1233         if (!ssl_trace_list(bio, indent + 2, msg, xlen, 1, ssl_ctype_tbl))
1234             return 0;
1235         msg += xlen;
1236         msglen -= xlen + 1;
1237     }
1238     if (SSL_USE_SIGALGS(s)) {
1239         if (msglen < 2)
1240             return 0;
1241         xlen = (msg[0] << 8) | msg[1];
1242         if (msglen < xlen + 2 || (xlen & 1))
1243             return 0;
1244         msg += 2;
1245         msglen -= xlen + 2;
1246         BIO_indent(bio, indent, 80);
1247         BIO_printf(bio, "signature_algorithms (len=%d)\n", (int)xlen);
1248         while (xlen > 0) {
1249             BIO_indent(bio, indent + 2, 80);
1250             sigalg = (msg[0] << 8) | msg[1];
1251             BIO_printf(bio, "%s (0x%04x)\n",
1252                        ssl_trace_str(sigalg, ssl_sigalg_tbl), sigalg);
1253             xlen -= 2;
1254             msg += 2;
1255         }
1256         msg += xlen;
1257     }
1258
1259     xlen = (msg[0] << 8) | msg[1];
1260     BIO_indent(bio, indent, 80);
1261     if (msglen < xlen + 2)
1262         return 0;
1263     msg += 2;
1264     msglen -= 2 + xlen;
1265     BIO_printf(bio, "certificate_authorities (len=%d)\n", (int)xlen);
1266     while (xlen > 0) {
1267         size_t dlen;
1268         X509_NAME *nm;
1269         const unsigned char *p;
1270         if (xlen < 2)
1271             return 0;
1272         dlen = (msg[0] << 8) | msg[1];
1273         if (xlen < dlen + 2)
1274             return 0;
1275         msg += 2;
1276         BIO_indent(bio, indent + 2, 80);
1277         BIO_printf(bio, "DistinguishedName (len=%d): ", (int)dlen);
1278         p = msg;
1279         nm = d2i_X509_NAME(NULL, &p, dlen);
1280         if (!nm) {
1281             BIO_puts(bio, "<UNPARSEABLE DN>\n");
1282         } else {
1283             X509_NAME_print_ex(bio, nm, 0, XN_FLAG_ONELINE);
1284             BIO_puts(bio, "\n");
1285             X509_NAME_free(nm);
1286         }
1287         xlen -= dlen + 2;
1288         msg += dlen;
1289     }
1290     if (SSL_IS_TLS13(s)) {
1291          if (!ssl_print_hexbuf(bio, indent, "request_extensions", 2,
1292                                &msg, &msglen))
1293         return 0;
1294     }
1295     return msglen == 0;
1296 }
1297
1298 static int ssl_print_ticket(BIO *bio, int indent, SSL *s,
1299                             const unsigned char *msg, size_t msglen)
1300 {
1301     unsigned int tick_life;
1302
1303     if (msglen == 0) {
1304         BIO_indent(bio, indent + 2, 80);
1305         BIO_puts(bio, "No Ticket\n");
1306         return 1;
1307     }
1308     if (msglen < 4)
1309         return 0;
1310     tick_life = (msg[0] << 24) | (msg[1] << 16) | (msg[2] << 8) | msg[3];
1311     msglen -= 4;
1312     msg += 4;
1313     BIO_indent(bio, indent + 2, 80);
1314     BIO_printf(bio, "ticket_lifetime_hint=%u\n", tick_life);
1315     if (SSL_IS_TLS13(s)) {
1316         unsigned int ticket_age_add;
1317
1318         if (msglen < 4)
1319             return 0;
1320         ticket_age_add = (msg[0] << 24) | (msg[1] << 16) | (msg[2] << 8)
1321                           | msg[3];
1322         msglen -= 4;
1323         msg += 4;
1324         BIO_indent(bio, indent + 2, 80);
1325         BIO_printf(bio, "ticket_age_add=%u\n", ticket_age_add);
1326     }
1327     if (!ssl_print_hexbuf(bio, indent + 2, "ticket", 2, &msg, &msglen))
1328         return 0;
1329     if (SSL_IS_TLS13(s) && !ssl_print_extensions(bio, indent + 2, 0,
1330                                                  SSL3_MT_NEWSESSION_TICKET,
1331                                                  &msg, &msglen))
1332         return 0;
1333     if (msglen)
1334         return 0;
1335     return 1;
1336 }
1337
1338 static int ssl_print_handshake(BIO *bio, SSL *ssl, int server,
1339                                const unsigned char *msg, size_t msglen,
1340                                int indent)
1341 {
1342     size_t hlen;
1343     unsigned char htype;
1344
1345     if (msglen < 4)
1346         return 0;
1347     htype = msg[0];
1348     hlen = (msg[1] << 16) | (msg[2] << 8) | msg[3];
1349     BIO_indent(bio, indent, 80);
1350     BIO_printf(bio, "%s, Length=%d\n",
1351                ssl_trace_str(htype, ssl_handshake_tbl), (int)hlen);
1352     msg += 4;
1353     msglen -= 4;
1354     if (SSL_IS_DTLS(ssl)) {
1355         if (msglen < 8)
1356             return 0;
1357         BIO_indent(bio, indent, 80);
1358         BIO_printf(bio, "message_seq=%d, fragment_offset=%d, "
1359                    "fragment_length=%d\n",
1360                    (msg[0] << 8) | msg[1],
1361                    (msg[2] << 16) | (msg[3] << 8) | msg[4],
1362                    (msg[5] << 16) | (msg[6] << 8) | msg[7]);
1363         msg += 8;
1364         msglen -= 8;
1365     }
1366     if (msglen < hlen)
1367         return 0;
1368     switch (htype) {
1369     case SSL3_MT_CLIENT_HELLO:
1370         if (!ssl_print_client_hello(bio, ssl, indent + 2, msg, msglen))
1371             return 0;
1372         break;
1373
1374     case DTLS1_MT_HELLO_VERIFY_REQUEST:
1375         if (!dtls_print_hello_vfyrequest(bio, indent + 2, msg, msglen))
1376             return 0;
1377         break;
1378
1379     case SSL3_MT_SERVER_HELLO:
1380         if (!ssl_print_server_hello(bio, indent + 2, msg, msglen))
1381             return 0;
1382         break;
1383
1384     case SSL3_MT_SERVER_KEY_EXCHANGE:
1385         if (!ssl_print_server_keyex(bio, indent + 2, ssl, msg, msglen))
1386             return 0;
1387         break;
1388
1389     case SSL3_MT_CLIENT_KEY_EXCHANGE:
1390         if (!ssl_print_client_keyex(bio, indent + 2, ssl, msg, msglen))
1391             return 0;
1392         break;
1393
1394     case SSL3_MT_CERTIFICATE:
1395         if (!ssl_print_certificates(bio, ssl, server, indent + 2, msg, msglen))
1396             return 0;
1397         break;
1398
1399     case SSL3_MT_CERTIFICATE_VERIFY:
1400         if (!ssl_print_signature(bio, indent + 2, ssl, &msg, &msglen))
1401             return 0;
1402         break;
1403
1404     case SSL3_MT_CERTIFICATE_REQUEST:
1405         if (!ssl_print_cert_request(bio, indent + 2, ssl, msg, msglen))
1406             return 0;
1407         break;
1408
1409     case SSL3_MT_FINISHED:
1410         ssl_print_hex(bio, indent + 2, "verify_data", msg, msglen);
1411         break;
1412
1413     case SSL3_MT_SERVER_DONE:
1414         if (msglen != 0)
1415             ssl_print_hex(bio, indent + 2, "unexpected value", msg, msglen);
1416         break;
1417
1418     case SSL3_MT_NEWSESSION_TICKET:
1419         if (!ssl_print_ticket(bio, indent + 2, ssl, msg, msglen))
1420             return 0;
1421         break;
1422
1423     case SSL3_MT_HELLO_RETRY_REQUEST:
1424         if (!ssl_print_version(bio, indent + 2, "server_version", &msg, &msglen,
1425                                NULL)
1426                 || !ssl_print_extensions(bio, indent + 2, 1,
1427                                          SSL3_MT_HELLO_RETRY_REQUEST, &msg,
1428                                          &msglen))
1429             return 0;
1430         break;
1431
1432     case SSL3_MT_ENCRYPTED_EXTENSIONS:
1433         if (!ssl_print_extensions(bio, indent + 2, 1,
1434                                   SSL3_MT_ENCRYPTED_EXTENSIONS, &msg, &msglen))
1435             return 0;
1436         break;
1437
1438     case SSL3_MT_KEY_UPDATE:
1439         if (msglen != 1) {
1440             ssl_print_hex(bio, indent + 2, "unexpected value", msg, msglen);
1441             return 0;
1442         }
1443         if (!ssl_trace_list(bio, indent + 2, msg, msglen, 1,
1444                             ssl_key_update_tbl))
1445             return 0;
1446         break;
1447
1448     default:
1449         BIO_indent(bio, indent + 2, 80);
1450         BIO_puts(bio, "Unsupported, hex dump follows:\n");
1451         BIO_dump_indent(bio, (const char *)msg, msglen, indent + 4);
1452     }
1453     return 1;
1454 }
1455
1456 const char *SSL_CIPHER_standard_name(const SSL_CIPHER *c)
1457 {
1458     return ssl_trace_str(c->id & 0xFFFF, ssl_ciphers_tbl);
1459 }
1460
1461 void SSL_trace(int write_p, int version, int content_type,
1462                const void *buf, size_t msglen, SSL *ssl, void *arg)
1463 {
1464     const unsigned char *msg = buf;
1465     BIO *bio = arg;
1466
1467     if (write_p == 2) {
1468         BIO_puts(bio, "Session ");
1469         ssl_print_hex(bio, 0,
1470                       ssl_trace_str(content_type, ssl_crypto_tbl), msg, msglen);
1471         return;
1472     }
1473     switch (content_type) {
1474     case SSL3_RT_HEADER:
1475         {
1476             int hvers = msg[1] << 8 | msg[2];
1477             BIO_puts(bio, write_p ? "Sent" : "Received");
1478             BIO_printf(bio, " Record\nHeader:\n  Version = %s (0x%x)\n",
1479                        ssl_trace_str(hvers, ssl_version_tbl), hvers);
1480             if (SSL_IS_DTLS(ssl)) {
1481                 BIO_printf(bio,
1482                            "  epoch=%d, sequence_number=%04x%04x%04x\n",
1483                            (msg[3] << 8 | msg[4]),
1484                            (msg[5] << 8 | msg[6]),
1485                            (msg[7] << 8 | msg[8]), (msg[9] << 8 | msg[10]));
1486             }
1487
1488             BIO_printf(bio, "  Content Type = %s (%d)\n  Length = %d",
1489                        ssl_trace_str(msg[0], ssl_content_tbl), msg[0],
1490                        msg[msglen - 2] << 8 | msg[msglen - 1]);
1491         }
1492         break;
1493     case SSL3_RT_HANDSHAKE:
1494         if (!ssl_print_handshake(bio, ssl, ssl->server ? write_p : !write_p,
1495                                  msg, msglen, 4))
1496             BIO_printf(bio, "Message length parse error!\n");
1497         break;
1498
1499     case SSL3_RT_CHANGE_CIPHER_SPEC:
1500         if (msglen == 1 && msg[0] == 1)
1501             BIO_puts(bio, "    change_cipher_spec (1)\n");
1502         else
1503             ssl_print_hex(bio, 4, "unknown value", msg, msglen);
1504         break;
1505
1506     case SSL3_RT_ALERT:
1507         if (msglen != 2)
1508             BIO_puts(bio, "    Illegal Alert Length\n");
1509         else {
1510             BIO_printf(bio, "    Level=%s(%d), description=%s(%d)\n",
1511                        SSL_alert_type_string_long(msg[0] << 8),
1512                        msg[0], SSL_alert_desc_string_long(msg[1]), msg[1]);
1513         }
1514
1515     }
1516
1517     BIO_puts(bio, "\n");
1518 }
1519
1520 #endif