Update copyright year
[openssl.git] / ssl / t1_trce.c
1 /*
2  * Copyright 2012-2018 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, const ssl_trace_tbl *tbl,
29                                     size_t ntbl)
30 {
31     size_t i;
32
33     for (i = 0; i < ntbl; i++, tbl++) {
34         if (tbl->num == val)
35             return tbl->name;
36     }
37     return "UNKNOWN";
38 }
39
40 static int do_ssl_trace_list(BIO *bio, int indent,
41                              const unsigned char *msg, size_t msglen,
42                              size_t vlen, const ssl_trace_tbl *tbl, size_t ntbl)
43 {
44     int val;
45
46     if (msglen % vlen)
47         return 0;
48     while (msglen) {
49         val = msg[0];
50         if (vlen == 2)
51             val = (val << 8) | msg[1];
52         BIO_indent(bio, indent, 80);
53         BIO_printf(bio, "%s (%d)\n", do_ssl_trace_str(val, tbl, ntbl), val);
54         msg += vlen;
55         msglen -= vlen;
56     }
57     return 1;
58 }
59
60 /* Version number */
61
62 static const ssl_trace_tbl ssl_version_tbl[] = {
63     {SSL3_VERSION, "SSL 3.0"},
64     {TLS1_VERSION, "TLS 1.0"},
65     {TLS1_1_VERSION, "TLS 1.1"},
66     {TLS1_2_VERSION, "TLS 1.2"},
67     {TLS1_3_VERSION, "TLS 1.3"},
68     /* TODO(TLS1.3): Remove this line before release */
69     {TLS1_3_VERSION_DRAFT, TLS1_3_VERSION_DRAFT_TXT},
70     {DTLS1_VERSION, "DTLS 1.0"},
71     {DTLS1_2_VERSION, "DTLS 1.2"},
72     {DTLS1_BAD_VER, "DTLS 1.0 (bad)"}
73 };
74
75 static const ssl_trace_tbl ssl_content_tbl[] = {
76     {SSL3_RT_CHANGE_CIPHER_SPEC, "ChangeCipherSpec"},
77     {SSL3_RT_ALERT, "Alert"},
78     {SSL3_RT_HANDSHAKE, "Handshake"},
79     {SSL3_RT_APPLICATION_DATA, "ApplicationData"},
80 };
81
82 /* Handshake types */
83 static const ssl_trace_tbl ssl_handshake_tbl[] = {
84     {SSL3_MT_HELLO_REQUEST, "HelloRequest"},
85     {SSL3_MT_CLIENT_HELLO, "ClientHello"},
86     {SSL3_MT_SERVER_HELLO, "ServerHello"},
87     {DTLS1_MT_HELLO_VERIFY_REQUEST, "HelloVerifyRequest"},
88     {SSL3_MT_NEWSESSION_TICKET, "NewSessionTicket"},
89     {SSL3_MT_END_OF_EARLY_DATA, "EndOfEarlyData"},
90     {SSL3_MT_ENCRYPTED_EXTENSIONS, "EncryptedExtensions"},
91     {SSL3_MT_CERTIFICATE, "Certificate"},
92     {SSL3_MT_SERVER_KEY_EXCHANGE, "ServerKeyExchange"},
93     {SSL3_MT_CERTIFICATE_REQUEST, "CertificateRequest"},
94     {SSL3_MT_SERVER_DONE, "ServerHelloDone"},
95     {SSL3_MT_CERTIFICATE_VERIFY, "CertificateVerify"},
96     {SSL3_MT_CLIENT_KEY_EXCHANGE, "ClientKeyExchange"},
97     {SSL3_MT_CERTIFICATE_STATUS, "CertificateStatus"},
98     {SSL3_MT_CLIENT_KEY_EXCHANGE, "ClientKeyExchange"},
99     {SSL3_MT_FINISHED, "Finished"},
100     {SSL3_MT_CERTIFICATE_STATUS, "CertificateStatus"},
101     {SSL3_MT_KEY_UPDATE, "KeyUpdate"},
102 # ifndef OPENSSL_NO_NEXTPROTONEG
103     {SSL3_MT_NEXT_PROTO, "NextProto"},
104 # endif
105     {SSL3_MT_MESSAGE_HASH, "MessageHash"}
106 };
107
108 /* Cipher suites */
109 static const ssl_trace_tbl ssl_ciphers_tbl[] = {
110     {0x0000, "TLS_NULL_WITH_NULL_NULL"},
111     {0x0001, "TLS_RSA_WITH_NULL_MD5"},
112     {0x0002, "TLS_RSA_WITH_NULL_SHA"},
113     {0x0003, "TLS_RSA_EXPORT_WITH_RC4_40_MD5"},
114     {0x0004, "TLS_RSA_WITH_RC4_128_MD5"},
115     {0x0005, "TLS_RSA_WITH_RC4_128_SHA"},
116     {0x0006, "TLS_RSA_EXPORT_WITH_RC2_CBC_40_MD5"},
117     {0x0007, "TLS_RSA_WITH_IDEA_CBC_SHA"},
118     {0x0008, "TLS_RSA_EXPORT_WITH_DES40_CBC_SHA"},
119     {0x0009, "TLS_RSA_WITH_DES_CBC_SHA"},
120     {0x000A, "TLS_RSA_WITH_3DES_EDE_CBC_SHA"},
121     {0x000B, "TLS_DH_DSS_EXPORT_WITH_DES40_CBC_SHA"},
122     {0x000C, "TLS_DH_DSS_WITH_DES_CBC_SHA"},
123     {0x000D, "TLS_DH_DSS_WITH_3DES_EDE_CBC_SHA"},
124     {0x000E, "TLS_DH_RSA_EXPORT_WITH_DES40_CBC_SHA"},
125     {0x000F, "TLS_DH_RSA_WITH_DES_CBC_SHA"},
126     {0x0010, "TLS_DH_RSA_WITH_3DES_EDE_CBC_SHA"},
127     {0x0011, "TLS_DHE_DSS_EXPORT_WITH_DES40_CBC_SHA"},
128     {0x0012, "TLS_DHE_DSS_WITH_DES_CBC_SHA"},
129     {0x0013, "TLS_DHE_DSS_WITH_3DES_EDE_CBC_SHA"},
130     {0x0014, "TLS_DHE_RSA_EXPORT_WITH_DES40_CBC_SHA"},
131     {0x0015, "TLS_DHE_RSA_WITH_DES_CBC_SHA"},
132     {0x0016, "TLS_DHE_RSA_WITH_3DES_EDE_CBC_SHA"},
133     {0x0017, "TLS_DH_anon_EXPORT_WITH_RC4_40_MD5"},
134     {0x0018, "TLS_DH_anon_WITH_RC4_128_MD5"},
135     {0x0019, "TLS_DH_anon_EXPORT_WITH_DES40_CBC_SHA"},
136     {0x001A, "TLS_DH_anon_WITH_DES_CBC_SHA"},
137     {0x001B, "TLS_DH_anon_WITH_3DES_EDE_CBC_SHA"},
138     {0x001D, "SSL_FORTEZZA_KEA_WITH_FORTEZZA_CBC_SHA"},
139     {0x001E, "SSL_FORTEZZA_KEA_WITH_RC4_128_SHA"},
140     {0x001F, "TLS_KRB5_WITH_3DES_EDE_CBC_SHA"},
141     {0x0020, "TLS_KRB5_WITH_RC4_128_SHA"},
142     {0x0021, "TLS_KRB5_WITH_IDEA_CBC_SHA"},
143     {0x0022, "TLS_KRB5_WITH_DES_CBC_MD5"},
144     {0x0023, "TLS_KRB5_WITH_3DES_EDE_CBC_MD5"},
145     {0x0024, "TLS_KRB5_WITH_RC4_128_MD5"},
146     {0x0025, "TLS_KRB5_WITH_IDEA_CBC_MD5"},
147     {0x0026, "TLS_KRB5_EXPORT_WITH_DES_CBC_40_SHA"},
148     {0x0027, "TLS_KRB5_EXPORT_WITH_RC2_CBC_40_SHA"},
149     {0x0028, "TLS_KRB5_EXPORT_WITH_RC4_40_SHA"},
150     {0x0029, "TLS_KRB5_EXPORT_WITH_DES_CBC_40_MD5"},
151     {0x002A, "TLS_KRB5_EXPORT_WITH_RC2_CBC_40_MD5"},
152     {0x002B, "TLS_KRB5_EXPORT_WITH_RC4_40_MD5"},
153     {0x002C, "TLS_PSK_WITH_NULL_SHA"},
154     {0x002D, "TLS_DHE_PSK_WITH_NULL_SHA"},
155     {0x002E, "TLS_RSA_PSK_WITH_NULL_SHA"},
156     {0x002F, "TLS_RSA_WITH_AES_128_CBC_SHA"},
157     {0x0030, "TLS_DH_DSS_WITH_AES_128_CBC_SHA"},
158     {0x0031, "TLS_DH_RSA_WITH_AES_128_CBC_SHA"},
159     {0x0032, "TLS_DHE_DSS_WITH_AES_128_CBC_SHA"},
160     {0x0033, "TLS_DHE_RSA_WITH_AES_128_CBC_SHA"},
161     {0x0034, "TLS_DH_anon_WITH_AES_128_CBC_SHA"},
162     {0x0035, "TLS_RSA_WITH_AES_256_CBC_SHA"},
163     {0x0036, "TLS_DH_DSS_WITH_AES_256_CBC_SHA"},
164     {0x0037, "TLS_DH_RSA_WITH_AES_256_CBC_SHA"},
165     {0x0038, "TLS_DHE_DSS_WITH_AES_256_CBC_SHA"},
166     {0x0039, "TLS_DHE_RSA_WITH_AES_256_CBC_SHA"},
167     {0x003A, "TLS_DH_anon_WITH_AES_256_CBC_SHA"},
168     {0x003B, "TLS_RSA_WITH_NULL_SHA256"},
169     {0x003C, "TLS_RSA_WITH_AES_128_CBC_SHA256"},
170     {0x003D, "TLS_RSA_WITH_AES_256_CBC_SHA256"},
171     {0x003E, "TLS_DH_DSS_WITH_AES_128_CBC_SHA256"},
172     {0x003F, "TLS_DH_RSA_WITH_AES_128_CBC_SHA256"},
173     {0x0040, "TLS_DHE_DSS_WITH_AES_128_CBC_SHA256"},
174     {0x0041, "TLS_RSA_WITH_CAMELLIA_128_CBC_SHA"},
175     {0x0042, "TLS_DH_DSS_WITH_CAMELLIA_128_CBC_SHA"},
176     {0x0043, "TLS_DH_RSA_WITH_CAMELLIA_128_CBC_SHA"},
177     {0x0044, "TLS_DHE_DSS_WITH_CAMELLIA_128_CBC_SHA"},
178     {0x0045, "TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA"},
179     {0x0046, "TLS_DH_anon_WITH_CAMELLIA_128_CBC_SHA"},
180     {0x0067, "TLS_DHE_RSA_WITH_AES_128_CBC_SHA256"},
181     {0x0068, "TLS_DH_DSS_WITH_AES_256_CBC_SHA256"},
182     {0x0069, "TLS_DH_RSA_WITH_AES_256_CBC_SHA256"},
183     {0x006A, "TLS_DHE_DSS_WITH_AES_256_CBC_SHA256"},
184     {0x006B, "TLS_DHE_RSA_WITH_AES_256_CBC_SHA256"},
185     {0x006C, "TLS_DH_anon_WITH_AES_128_CBC_SHA256"},
186     {0x006D, "TLS_DH_anon_WITH_AES_256_CBC_SHA256"},
187     {0x0084, "TLS_RSA_WITH_CAMELLIA_256_CBC_SHA"},
188     {0x0085, "TLS_DH_DSS_WITH_CAMELLIA_256_CBC_SHA"},
189     {0x0086, "TLS_DH_RSA_WITH_CAMELLIA_256_CBC_SHA"},
190     {0x0087, "TLS_DHE_DSS_WITH_CAMELLIA_256_CBC_SHA"},
191     {0x0088, "TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA"},
192     {0x0089, "TLS_DH_anon_WITH_CAMELLIA_256_CBC_SHA"},
193     {0x008A, "TLS_PSK_WITH_RC4_128_SHA"},
194     {0x008B, "TLS_PSK_WITH_3DES_EDE_CBC_SHA"},
195     {0x008C, "TLS_PSK_WITH_AES_128_CBC_SHA"},
196     {0x008D, "TLS_PSK_WITH_AES_256_CBC_SHA"},
197     {0x008E, "TLS_DHE_PSK_WITH_RC4_128_SHA"},
198     {0x008F, "TLS_DHE_PSK_WITH_3DES_EDE_CBC_SHA"},
199     {0x0090, "TLS_DHE_PSK_WITH_AES_128_CBC_SHA"},
200     {0x0091, "TLS_DHE_PSK_WITH_AES_256_CBC_SHA"},
201     {0x0092, "TLS_RSA_PSK_WITH_RC4_128_SHA"},
202     {0x0093, "TLS_RSA_PSK_WITH_3DES_EDE_CBC_SHA"},
203     {0x0094, "TLS_RSA_PSK_WITH_AES_128_CBC_SHA"},
204     {0x0095, "TLS_RSA_PSK_WITH_AES_256_CBC_SHA"},
205     {0x0096, "TLS_RSA_WITH_SEED_CBC_SHA"},
206     {0x0097, "TLS_DH_DSS_WITH_SEED_CBC_SHA"},
207     {0x0098, "TLS_DH_RSA_WITH_SEED_CBC_SHA"},
208     {0x0099, "TLS_DHE_DSS_WITH_SEED_CBC_SHA"},
209     {0x009A, "TLS_DHE_RSA_WITH_SEED_CBC_SHA"},
210     {0x009B, "TLS_DH_anon_WITH_SEED_CBC_SHA"},
211     {0x009C, "TLS_RSA_WITH_AES_128_GCM_SHA256"},
212     {0x009D, "TLS_RSA_WITH_AES_256_GCM_SHA384"},
213     {0x009E, "TLS_DHE_RSA_WITH_AES_128_GCM_SHA256"},
214     {0x009F, "TLS_DHE_RSA_WITH_AES_256_GCM_SHA384"},
215     {0x00A0, "TLS_DH_RSA_WITH_AES_128_GCM_SHA256"},
216     {0x00A1, "TLS_DH_RSA_WITH_AES_256_GCM_SHA384"},
217     {0x00A2, "TLS_DHE_DSS_WITH_AES_128_GCM_SHA256"},
218     {0x00A3, "TLS_DHE_DSS_WITH_AES_256_GCM_SHA384"},
219     {0x00A4, "TLS_DH_DSS_WITH_AES_128_GCM_SHA256"},
220     {0x00A5, "TLS_DH_DSS_WITH_AES_256_GCM_SHA384"},
221     {0x00A6, "TLS_DH_anon_WITH_AES_128_GCM_SHA256"},
222     {0x00A7, "TLS_DH_anon_WITH_AES_256_GCM_SHA384"},
223     {0x00A8, "TLS_PSK_WITH_AES_128_GCM_SHA256"},
224     {0x00A9, "TLS_PSK_WITH_AES_256_GCM_SHA384"},
225     {0x00AA, "TLS_DHE_PSK_WITH_AES_128_GCM_SHA256"},
226     {0x00AB, "TLS_DHE_PSK_WITH_AES_256_GCM_SHA384"},
227     {0x00AC, "TLS_RSA_PSK_WITH_AES_128_GCM_SHA256"},
228     {0x00AD, "TLS_RSA_PSK_WITH_AES_256_GCM_SHA384"},
229     {0x00AE, "TLS_PSK_WITH_AES_128_CBC_SHA256"},
230     {0x00AF, "TLS_PSK_WITH_AES_256_CBC_SHA384"},
231     {0x00B0, "TLS_PSK_WITH_NULL_SHA256"},
232     {0x00B1, "TLS_PSK_WITH_NULL_SHA384"},
233     {0x00B2, "TLS_DHE_PSK_WITH_AES_128_CBC_SHA256"},
234     {0x00B3, "TLS_DHE_PSK_WITH_AES_256_CBC_SHA384"},
235     {0x00B4, "TLS_DHE_PSK_WITH_NULL_SHA256"},
236     {0x00B5, "TLS_DHE_PSK_WITH_NULL_SHA384"},
237     {0x00B6, "TLS_RSA_PSK_WITH_AES_128_CBC_SHA256"},
238     {0x00B7, "TLS_RSA_PSK_WITH_AES_256_CBC_SHA384"},
239     {0x00B8, "TLS_RSA_PSK_WITH_NULL_SHA256"},
240     {0x00B9, "TLS_RSA_PSK_WITH_NULL_SHA384"},
241     {0x00BA, "TLS_RSA_WITH_CAMELLIA_128_CBC_SHA256"},
242     {0x00BB, "TLS_DH_DSS_WITH_CAMELLIA_128_CBC_SHA256"},
243     {0x00BC, "TLS_DH_RSA_WITH_CAMELLIA_128_CBC_SHA256"},
244     {0x00BD, "TLS_DHE_DSS_WITH_CAMELLIA_128_CBC_SHA256"},
245     {0x00BE, "TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA256"},
246     {0x00BF, "TLS_DH_anon_WITH_CAMELLIA_128_CBC_SHA256"},
247     {0x00C0, "TLS_RSA_WITH_CAMELLIA_256_CBC_SHA256"},
248     {0x00C1, "TLS_DH_DSS_WITH_CAMELLIA_256_CBC_SHA256"},
249     {0x00C2, "TLS_DH_RSA_WITH_CAMELLIA_256_CBC_SHA256"},
250     {0x00C3, "TLS_DHE_DSS_WITH_CAMELLIA_256_CBC_SHA256"},
251     {0x00C4, "TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA256"},
252     {0x00C5, "TLS_DH_anon_WITH_CAMELLIA_256_CBC_SHA256"},
253     {0x00FF, "TLS_EMPTY_RENEGOTIATION_INFO_SCSV"},
254     {0x5600, "TLS_FALLBACK_SCSV"},
255     {0xC001, "TLS_ECDH_ECDSA_WITH_NULL_SHA"},
256     {0xC002, "TLS_ECDH_ECDSA_WITH_RC4_128_SHA"},
257     {0xC003, "TLS_ECDH_ECDSA_WITH_3DES_EDE_CBC_SHA"},
258     {0xC004, "TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA"},
259     {0xC005, "TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA"},
260     {0xC006, "TLS_ECDHE_ECDSA_WITH_NULL_SHA"},
261     {0xC007, "TLS_ECDHE_ECDSA_WITH_RC4_128_SHA"},
262     {0xC008, "TLS_ECDHE_ECDSA_WITH_3DES_EDE_CBC_SHA"},
263     {0xC009, "TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA"},
264     {0xC00A, "TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA"},
265     {0xC00B, "TLS_ECDH_RSA_WITH_NULL_SHA"},
266     {0xC00C, "TLS_ECDH_RSA_WITH_RC4_128_SHA"},
267     {0xC00D, "TLS_ECDH_RSA_WITH_3DES_EDE_CBC_SHA"},
268     {0xC00E, "TLS_ECDH_RSA_WITH_AES_128_CBC_SHA"},
269     {0xC00F, "TLS_ECDH_RSA_WITH_AES_256_CBC_SHA"},
270     {0xC010, "TLS_ECDHE_RSA_WITH_NULL_SHA"},
271     {0xC011, "TLS_ECDHE_RSA_WITH_RC4_128_SHA"},
272     {0xC012, "TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA"},
273     {0xC013, "TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA"},
274     {0xC014, "TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA"},
275     {0xC015, "TLS_ECDH_anon_WITH_NULL_SHA"},
276     {0xC016, "TLS_ECDH_anon_WITH_RC4_128_SHA"},
277     {0xC017, "TLS_ECDH_anon_WITH_3DES_EDE_CBC_SHA"},
278     {0xC018, "TLS_ECDH_anon_WITH_AES_128_CBC_SHA"},
279     {0xC019, "TLS_ECDH_anon_WITH_AES_256_CBC_SHA"},
280     {0xC01A, "TLS_SRP_SHA_WITH_3DES_EDE_CBC_SHA"},
281     {0xC01B, "TLS_SRP_SHA_RSA_WITH_3DES_EDE_CBC_SHA"},
282     {0xC01C, "TLS_SRP_SHA_DSS_WITH_3DES_EDE_CBC_SHA"},
283     {0xC01D, "TLS_SRP_SHA_WITH_AES_128_CBC_SHA"},
284     {0xC01E, "TLS_SRP_SHA_RSA_WITH_AES_128_CBC_SHA"},
285     {0xC01F, "TLS_SRP_SHA_DSS_WITH_AES_128_CBC_SHA"},
286     {0xC020, "TLS_SRP_SHA_WITH_AES_256_CBC_SHA"},
287     {0xC021, "TLS_SRP_SHA_RSA_WITH_AES_256_CBC_SHA"},
288     {0xC022, "TLS_SRP_SHA_DSS_WITH_AES_256_CBC_SHA"},
289     {0xC023, "TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256"},
290     {0xC024, "TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384"},
291     {0xC025, "TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA256"},
292     {0xC026, "TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA384"},
293     {0xC027, "TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256"},
294     {0xC028, "TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384"},
295     {0xC029, "TLS_ECDH_RSA_WITH_AES_128_CBC_SHA256"},
296     {0xC02A, "TLS_ECDH_RSA_WITH_AES_256_CBC_SHA384"},
297     {0xC02B, "TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256"},
298     {0xC02C, "TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384"},
299     {0xC02D, "TLS_ECDH_ECDSA_WITH_AES_128_GCM_SHA256"},
300     {0xC02E, "TLS_ECDH_ECDSA_WITH_AES_256_GCM_SHA384"},
301     {0xC02F, "TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256"},
302     {0xC030, "TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384"},
303     {0xC031, "TLS_ECDH_RSA_WITH_AES_128_GCM_SHA256"},
304     {0xC032, "TLS_ECDH_RSA_WITH_AES_256_GCM_SHA384"},
305     {0xC033, "TLS_ECDHE_PSK_WITH_RC4_128_SHA"},
306     {0xC034, "TLS_ECDHE_PSK_WITH_3DES_EDE_CBC_SHA"},
307     {0xC035, "TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA"},
308     {0xC036, "TLS_ECDHE_PSK_WITH_AES_256_CBC_SHA"},
309     {0xC037, "TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA256"},
310     {0xC038, "TLS_ECDHE_PSK_WITH_AES_256_CBC_SHA384"},
311     {0xC039, "TLS_ECDHE_PSK_WITH_NULL_SHA"},
312     {0xC03A, "TLS_ECDHE_PSK_WITH_NULL_SHA256"},
313     {0xC03B, "TLS_ECDHE_PSK_WITH_NULL_SHA384"},
314     {0xC03C, "TLS_RSA_WITH_ARIA_128_CBC_SHA256"},
315     {0xC03D, "TLS_RSA_WITH_ARIA_256_CBC_SHA384"},
316     {0xC03E, "TLS_DH_DSS_WITH_ARIA_128_CBC_SHA256"},
317     {0xC03F, "TLS_DH_DSS_WITH_ARIA_256_CBC_SHA384"},
318     {0xC040, "TLS_DH_RSA_WITH_ARIA_128_CBC_SHA256"},
319     {0xC041, "TLS_DH_RSA_WITH_ARIA_256_CBC_SHA384"},
320     {0xC042, "TLS_DHE_DSS_WITH_ARIA_128_CBC_SHA256"},
321     {0xC043, "TLS_DHE_DSS_WITH_ARIA_256_CBC_SHA384"},
322     {0xC044, "TLS_DHE_RSA_WITH_ARIA_128_CBC_SHA256"},
323     {0xC045, "TLS_DHE_RSA_WITH_ARIA_256_CBC_SHA384"},
324     {0xC046, "TLS_DH_anon_WITH_ARIA_128_CBC_SHA256"},
325     {0xC047, "TLS_DH_anon_WITH_ARIA_256_CBC_SHA384"},
326     {0xC048, "TLS_ECDHE_ECDSA_WITH_ARIA_128_CBC_SHA256"},
327     {0xC049, "TLS_ECDHE_ECDSA_WITH_ARIA_256_CBC_SHA384"},
328     {0xC04A, "TLS_ECDH_ECDSA_WITH_ARIA_128_CBC_SHA256"},
329     {0xC04B, "TLS_ECDH_ECDSA_WITH_ARIA_256_CBC_SHA384"},
330     {0xC04C, "TLS_ECDHE_RSA_WITH_ARIA_128_CBC_SHA256"},
331     {0xC04D, "TLS_ECDHE_RSA_WITH_ARIA_256_CBC_SHA384"},
332     {0xC04E, "TLS_ECDH_RSA_WITH_ARIA_128_CBC_SHA256"},
333     {0xC04F, "TLS_ECDH_RSA_WITH_ARIA_256_CBC_SHA384"},
334     {0xC050, "TLS_RSA_WITH_ARIA_128_GCM_SHA256"},
335     {0xC051, "TLS_RSA_WITH_ARIA_256_GCM_SHA384"},
336     {0xC052, "TLS_DHE_RSA_WITH_ARIA_128_GCM_SHA256"},
337     {0xC053, "TLS_DHE_RSA_WITH_ARIA_256_GCM_SHA384"},
338     {0xC054, "TLS_DH_RSA_WITH_ARIA_128_GCM_SHA256"},
339     {0xC055, "TLS_DH_RSA_WITH_ARIA_256_GCM_SHA384"},
340     {0xC056, "TLS_DHE_DSS_WITH_ARIA_128_GCM_SHA256"},
341     {0xC057, "TLS_DHE_DSS_WITH_ARIA_256_GCM_SHA384"},
342     {0xC058, "TLS_DH_DSS_WITH_ARIA_128_GCM_SHA256"},
343     {0xC059, "TLS_DH_DSS_WITH_ARIA_256_GCM_SHA384"},
344     {0xC05A, "TLS_DH_anon_WITH_ARIA_128_GCM_SHA256"},
345     {0xC05B, "TLS_DH_anon_WITH_ARIA_256_GCM_SHA384"},
346     {0xC05C, "TLS_ECDHE_ECDSA_WITH_ARIA_128_GCM_SHA256"},
347     {0xC05D, "TLS_ECDHE_ECDSA_WITH_ARIA_256_GCM_SHA384"},
348     {0xC05E, "TLS_ECDH_ECDSA_WITH_ARIA_128_GCM_SHA256"},
349     {0xC05F, "TLS_ECDH_ECDSA_WITH_ARIA_256_GCM_SHA384"},
350     {0xC060, "TLS_ECDHE_RSA_WITH_ARIA_128_GCM_SHA256"},
351     {0xC061, "TLS_ECDHE_RSA_WITH_ARIA_256_GCM_SHA384"},
352     {0xC062, "TLS_ECDH_RSA_WITH_ARIA_128_GCM_SHA256"},
353     {0xC063, "TLS_ECDH_RSA_WITH_ARIA_256_GCM_SHA384"},
354     {0xC064, "TLS_PSK_WITH_ARIA_128_CBC_SHA256"},
355     {0xC065, "TLS_PSK_WITH_ARIA_256_CBC_SHA384"},
356     {0xC066, "TLS_DHE_PSK_WITH_ARIA_128_CBC_SHA256"},
357     {0xC067, "TLS_DHE_PSK_WITH_ARIA_256_CBC_SHA384"},
358     {0xC068, "TLS_RSA_PSK_WITH_ARIA_128_CBC_SHA256"},
359     {0xC069, "TLS_RSA_PSK_WITH_ARIA_256_CBC_SHA384"},
360     {0xC06A, "TLS_PSK_WITH_ARIA_128_GCM_SHA256"},
361     {0xC06B, "TLS_PSK_WITH_ARIA_256_GCM_SHA384"},
362     {0xC06C, "TLS_DHE_PSK_WITH_ARIA_128_GCM_SHA256"},
363     {0xC06D, "TLS_DHE_PSK_WITH_ARIA_256_GCM_SHA384"},
364     {0xC06E, "TLS_RSA_PSK_WITH_ARIA_128_GCM_SHA256"},
365     {0xC06F, "TLS_RSA_PSK_WITH_ARIA_256_GCM_SHA384"},
366     {0xC070, "TLS_ECDHE_PSK_WITH_ARIA_128_CBC_SHA256"},
367     {0xC071, "TLS_ECDHE_PSK_WITH_ARIA_256_CBC_SHA384"},
368     {0xC072, "TLS_ECDHE_ECDSA_WITH_CAMELLIA_128_CBC_SHA256"},
369     {0xC073, "TLS_ECDHE_ECDSA_WITH_CAMELLIA_256_CBC_SHA384"},
370     {0xC074, "TLS_ECDH_ECDSA_WITH_CAMELLIA_128_CBC_SHA256"},
371     {0xC075, "TLS_ECDH_ECDSA_WITH_CAMELLIA_256_CBC_SHA384"},
372     {0xC076, "TLS_ECDHE_RSA_WITH_CAMELLIA_128_CBC_SHA256"},
373     {0xC077, "TLS_ECDHE_RSA_WITH_CAMELLIA_256_CBC_SHA384"},
374     {0xC078, "TLS_ECDH_RSA_WITH_CAMELLIA_128_CBC_SHA256"},
375     {0xC079, "TLS_ECDH_RSA_WITH_CAMELLIA_256_CBC_SHA384"},
376     {0xC07A, "TLS_RSA_WITH_CAMELLIA_128_GCM_SHA256"},
377     {0xC07B, "TLS_RSA_WITH_CAMELLIA_256_GCM_SHA384"},
378     {0xC07C, "TLS_DHE_RSA_WITH_CAMELLIA_128_GCM_SHA256"},
379     {0xC07D, "TLS_DHE_RSA_WITH_CAMELLIA_256_GCM_SHA384"},
380     {0xC07E, "TLS_DH_RSA_WITH_CAMELLIA_128_GCM_SHA256"},
381     {0xC07F, "TLS_DH_RSA_WITH_CAMELLIA_256_GCM_SHA384"},
382     {0xC080, "TLS_DHE_DSS_WITH_CAMELLIA_128_GCM_SHA256"},
383     {0xC081, "TLS_DHE_DSS_WITH_CAMELLIA_256_GCM_SHA384"},
384     {0xC082, "TLS_DH_DSS_WITH_CAMELLIA_128_GCM_SHA256"},
385     {0xC083, "TLS_DH_DSS_WITH_CAMELLIA_256_GCM_SHA384"},
386     {0xC084, "TLS_DH_anon_WITH_CAMELLIA_128_GCM_SHA256"},
387     {0xC085, "TLS_DH_anon_WITH_CAMELLIA_256_GCM_SHA384"},
388     {0xC086, "TLS_ECDHE_ECDSA_WITH_CAMELLIA_128_GCM_SHA256"},
389     {0xC087, "TLS_ECDHE_ECDSA_WITH_CAMELLIA_256_GCM_SHA384"},
390     {0xC088, "TLS_ECDH_ECDSA_WITH_CAMELLIA_128_GCM_SHA256"},
391     {0xC089, "TLS_ECDH_ECDSA_WITH_CAMELLIA_256_GCM_SHA384"},
392     {0xC08A, "TLS_ECDHE_RSA_WITH_CAMELLIA_128_GCM_SHA256"},
393     {0xC08B, "TLS_ECDHE_RSA_WITH_CAMELLIA_256_GCM_SHA384"},
394     {0xC08C, "TLS_ECDH_RSA_WITH_CAMELLIA_128_GCM_SHA256"},
395     {0xC08D, "TLS_ECDH_RSA_WITH_CAMELLIA_256_GCM_SHA384"},
396     {0xC08E, "TLS_PSK_WITH_CAMELLIA_128_GCM_SHA256"},
397     {0xC08F, "TLS_PSK_WITH_CAMELLIA_256_GCM_SHA384"},
398     {0xC090, "TLS_DHE_PSK_WITH_CAMELLIA_128_GCM_SHA256"},
399     {0xC091, "TLS_DHE_PSK_WITH_CAMELLIA_256_GCM_SHA384"},
400     {0xC092, "TLS_RSA_PSK_WITH_CAMELLIA_128_GCM_SHA256"},
401     {0xC093, "TLS_RSA_PSK_WITH_CAMELLIA_256_GCM_SHA384"},
402     {0xC094, "TLS_PSK_WITH_CAMELLIA_128_CBC_SHA256"},
403     {0xC095, "TLS_PSK_WITH_CAMELLIA_256_CBC_SHA384"},
404     {0xC096, "TLS_DHE_PSK_WITH_CAMELLIA_128_CBC_SHA256"},
405     {0xC097, "TLS_DHE_PSK_WITH_CAMELLIA_256_CBC_SHA384"},
406     {0xC098, "TLS_RSA_PSK_WITH_CAMELLIA_128_CBC_SHA256"},
407     {0xC099, "TLS_RSA_PSK_WITH_CAMELLIA_256_CBC_SHA384"},
408     {0xC09A, "TLS_ECDHE_PSK_WITH_CAMELLIA_128_CBC_SHA256"},
409     {0xC09B, "TLS_ECDHE_PSK_WITH_CAMELLIA_256_CBC_SHA384"},
410     {0xC09C, "TLS_RSA_WITH_AES_128_CCM"},
411     {0xC09D, "TLS_RSA_WITH_AES_256_CCM"},
412     {0xC09E, "TLS_DHE_RSA_WITH_AES_128_CCM"},
413     {0xC09F, "TLS_DHE_RSA_WITH_AES_256_CCM"},
414     {0xC0A0, "TLS_RSA_WITH_AES_128_CCM_8"},
415     {0xC0A1, "TLS_RSA_WITH_AES_256_CCM_8"},
416     {0xC0A2, "TLS_DHE_RSA_WITH_AES_128_CCM_8"},
417     {0xC0A3, "TLS_DHE_RSA_WITH_AES_256_CCM_8"},
418     {0xC0A4, "TLS_PSK_WITH_AES_128_CCM"},
419     {0xC0A5, "TLS_PSK_WITH_AES_256_CCM"},
420     {0xC0A6, "TLS_DHE_PSK_WITH_AES_128_CCM"},
421     {0xC0A7, "TLS_DHE_PSK_WITH_AES_256_CCM"},
422     {0xC0A8, "TLS_PSK_WITH_AES_128_CCM_8"},
423     {0xC0A9, "TLS_PSK_WITH_AES_256_CCM_8"},
424     {0xC0AA, "TLS_PSK_DHE_WITH_AES_128_CCM_8"},
425     {0xC0AB, "TLS_PSK_DHE_WITH_AES_256_CCM_8"},
426     {0xC0AC, "TLS_ECDHE_ECDSA_WITH_AES_128_CCM"},
427     {0xC0AD, "TLS_ECDHE_ECDSA_WITH_AES_256_CCM"},
428     {0xC0AE, "TLS_ECDHE_ECDSA_WITH_AES_128_CCM_8"},
429     {0xC0AF, "TLS_ECDHE_ECDSA_WITH_AES_256_CCM_8"},
430     {0xCCA8, "TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256"},
431     {0xCCA9, "TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256"},
432     {0xCCAA, "TLS_DHE_RSA_WITH_CHACHA20_POLY1305_SHA256"},
433     {0xCCAB, "TLS_PSK_WITH_CHACHA20_POLY1305_SHA256"},
434     {0xCCAC, "TLS_ECDHE_PSK_WITH_CHACHA20_POLY1305_SHA256"},
435     {0xCCAD, "TLS_DHE_PSK_WITH_CHACHA20_POLY1305_SHA256"},
436     {0xCCAE, "TLS_RSA_PSK_WITH_CHACHA20_POLY1305_SHA256"},
437     {0x1301, "TLS_AES_128_GCM_SHA256"},
438     {0x1302, "TLS_AES_256_GCM_SHA384"},
439     {0x1303, "TLS_CHACHA20_POLY1305_SHA256"},
440     {0x1304, "TLS_AES_128_CCM_SHA256"},
441     {0x1305, "TLS_AES_128_CCM_8_SHA256"},
442     {0xFEFE, "SSL_RSA_FIPS_WITH_DES_CBC_SHA"},
443     {0xFEFF, "SSL_RSA_FIPS_WITH_3DES_EDE_CBC_SHA"},
444 };
445
446 /* Compression methods */
447 static const ssl_trace_tbl ssl_comp_tbl[] = {
448     {0x0000, "No Compression"},
449     {0x0001, "Zlib Compression"}
450 };
451
452 /* Extensions */
453 static const ssl_trace_tbl ssl_exts_tbl[] = {
454     {TLSEXT_TYPE_server_name, "server_name"},
455     {TLSEXT_TYPE_max_fragment_length, "max_fragment_length"},
456     {TLSEXT_TYPE_client_certificate_url, "client_certificate_url"},
457     {TLSEXT_TYPE_trusted_ca_keys, "trusted_ca_keys"},
458     {TLSEXT_TYPE_truncated_hmac, "truncated_hmac"},
459     {TLSEXT_TYPE_status_request, "status_request"},
460     {TLSEXT_TYPE_user_mapping, "user_mapping"},
461     {TLSEXT_TYPE_client_authz, "client_authz"},
462     {TLSEXT_TYPE_server_authz, "server_authz"},
463     {TLSEXT_TYPE_cert_type, "cert_type"},
464     {TLSEXT_TYPE_key_share, "key_share"},
465     {TLSEXT_TYPE_psk, "psk"},
466     {TLSEXT_TYPE_psk_kex_modes, "psk_key_exchange_modes"},
467     {TLSEXT_TYPE_supported_groups, "supported_groups"},
468     {TLSEXT_TYPE_ec_point_formats, "ec_point_formats"},
469     {TLSEXT_TYPE_srp, "srp"},
470     {TLSEXT_TYPE_signature_algorithms, "signature_algorithms"},
471     {TLSEXT_TYPE_use_srtp, "use_srtp"},
472     {TLSEXT_TYPE_session_ticket, "session_ticket"},
473     {TLSEXT_TYPE_supported_versions, "supported_versions"},
474     {TLSEXT_TYPE_renegotiate, "renegotiate"},
475 # ifndef OPENSSL_NO_NEXTPROTONEG
476     {TLSEXT_TYPE_next_proto_neg, "next_proto_neg"},
477 # endif
478     {TLSEXT_TYPE_application_layer_protocol_negotiation,
479      "application_layer_protocol_negotiation"},
480     {TLSEXT_TYPE_signed_certificate_timestamp, "signed_certificate_timestamps"},
481     {TLSEXT_TYPE_padding, "padding"},
482     {TLSEXT_TYPE_encrypt_then_mac, "encrypt_then_mac"},
483     {TLSEXT_TYPE_extended_master_secret, "extended_master_secret"},
484     {TLSEXT_TYPE_early_data, "early_data"},
485     {TLSEXT_TYPE_post_handshake_auth, "post_handshake_auth"}
486 };
487
488 static const ssl_trace_tbl ssl_groups_tbl[] = {
489     {1, "sect163k1 (K-163)"},
490     {2, "sect163r1"},
491     {3, "sect163r2 (B-163)"},
492     {4, "sect193r1"},
493     {5, "sect193r2"},
494     {6, "sect233k1 (K-233)"},
495     {7, "sect233r1 (B-233)"},
496     {8, "sect239k1"},
497     {9, "sect283k1 (K-283)"},
498     {10, "sect283r1 (B-283)"},
499     {11, "sect409k1 (K-409)"},
500     {12, "sect409r1 (B-409)"},
501     {13, "sect571k1 (K-571)"},
502     {14, "sect571r1 (B-571)"},
503     {15, "secp160k1"},
504     {16, "secp160r1"},
505     {17, "secp160r2"},
506     {18, "secp192k1"},
507     {19, "secp192r1 (P-192)"},
508     {20, "secp224k1"},
509     {21, "secp224r1 (P-224)"},
510     {22, "secp256k1"},
511     {23, "secp256r1 (P-256)"},
512     {24, "secp384r1 (P-384)"},
513     {25, "secp521r1 (P-521)"},
514     {26, "brainpoolP256r1"},
515     {27, "brainpoolP384r1"},
516     {28, "brainpoolP512r1"},
517     {29, "ecdh_x25519"},
518     {256, "ffdhe2048"},
519     {257, "ffdhe3072"},
520     {258, "ffdhe4096"},
521     {259, "ffdhe6144"},
522     {260, "ffdhe8192"},
523     {0xFF01, "arbitrary_explicit_prime_curves"},
524     {0xFF02, "arbitrary_explicit_char2_curves"}
525 };
526
527 static const ssl_trace_tbl ssl_point_tbl[] = {
528     {0, "uncompressed"},
529     {1, "ansiX962_compressed_prime"},
530     {2, "ansiX962_compressed_char2"}
531 };
532
533 static const ssl_trace_tbl ssl_mfl_tbl[] = {
534     {0, "disabled"},
535     {1, "max_fragment_length := 2^9 (512 bytes)"},
536     {2, "max_fragment_length := 2^10 (1024 bytes)"},
537     {3, "max_fragment_length := 2^11 (2048 bytes)"},
538     {4, "max_fragment_length := 2^12 (4096 bytes)"}
539 };
540
541 static const ssl_trace_tbl ssl_sigalg_tbl[] = {
542     {TLSEXT_SIGALG_ecdsa_secp256r1_sha256, "ecdsa_secp256r1_sha256"},
543     {TLSEXT_SIGALG_ecdsa_secp384r1_sha384, "ecdsa_secp384r1_sha384"},
544     {TLSEXT_SIGALG_ecdsa_secp521r1_sha512, "ecdsa_secp521r1_sha512"},
545     {TLSEXT_SIGALG_ecdsa_sha224, "ecdsa_sha224"},
546     {TLSEXT_SIGALG_ed25519, "ed25519"},
547     {TLSEXT_SIGALG_ecdsa_sha1, "ecdsa_sha1"},
548     {TLSEXT_SIGALG_rsa_pss_rsae_sha256, "rsa_pss_rsae_sha256"},
549     {TLSEXT_SIGALG_rsa_pss_rsae_sha384, "rsa_pss_rsae_sha384"},
550     {TLSEXT_SIGALG_rsa_pss_rsae_sha512, "rsa_pss_rsae_sha512"},
551     {TLSEXT_SIGALG_rsa_pss_pss_sha256, "rsa_pss_pss_sha256"},
552     {TLSEXT_SIGALG_rsa_pss_pss_sha384, "rsa_pss_pss_sha384"},
553     {TLSEXT_SIGALG_rsa_pss_pss_sha512, "rsa_pss_pss_sha512"},
554     {TLSEXT_SIGALG_rsa_pkcs1_sha256, "rsa_pkcs1_sha256"},
555     {TLSEXT_SIGALG_rsa_pkcs1_sha384, "rsa_pkcs1_sha384"},
556     {TLSEXT_SIGALG_rsa_pkcs1_sha512, "rsa_pkcs1_sha512"},
557     {TLSEXT_SIGALG_rsa_pkcs1_sha224, "rsa_pkcs1_sha224"},
558     {TLSEXT_SIGALG_rsa_pkcs1_sha1, "rsa_pkcs1_sha1"},
559     {TLSEXT_SIGALG_dsa_sha256, "dsa_sha256"},
560     {TLSEXT_SIGALG_dsa_sha384, "dsa_sha384"},
561     {TLSEXT_SIGALG_dsa_sha512, "dsa_sha512"},
562     {TLSEXT_SIGALG_dsa_sha224, "dsa_sha224"},
563     {TLSEXT_SIGALG_dsa_sha1, "dsa_sha1"},
564     {TLSEXT_SIGALG_gostr34102012_256_gostr34112012_256, "gost2012_256"},
565     {TLSEXT_SIGALG_gostr34102012_512_gostr34112012_512, "gost2012_512"},
566     {TLSEXT_SIGALG_gostr34102001_gostr3411, "gost2001_gost94"},
567 };
568
569 static const ssl_trace_tbl ssl_ctype_tbl[] = {
570     {1, "rsa_sign"},
571     {2, "dss_sign"},
572     {3, "rsa_fixed_dh"},
573     {4, "dss_fixed_dh"},
574     {5, "rsa_ephemeral_dh"},
575     {6, "dss_ephemeral_dh"},
576     {20, "fortezza_dms"},
577     {64, "ecdsa_sign"},
578     {65, "rsa_fixed_ecdh"},
579     {66, "ecdsa_fixed_ecdh"}
580 };
581
582 static const ssl_trace_tbl ssl_psk_kex_modes_tbl[] = {
583     {TLSEXT_KEX_MODE_KE, "psk_ke"},
584     {TLSEXT_KEX_MODE_KE_DHE, "psk_dhe_ke"}
585 };
586
587 static const ssl_trace_tbl ssl_key_update_tbl[] = {
588     {SSL_KEY_UPDATE_NOT_REQUESTED, "update_not_requested"},
589     {SSL_KEY_UPDATE_REQUESTED, "update_requested"}
590 };
591
592 static void ssl_print_hex(BIO *bio, int indent, const char *name,
593                           const unsigned char *msg, size_t msglen)
594 {
595     size_t i;
596
597     BIO_indent(bio, indent, 80);
598     BIO_printf(bio, "%s (len=%d): ", name, (int)msglen);
599     for (i = 0; i < msglen; i++)
600         BIO_printf(bio, "%02X", msg[i]);
601     BIO_puts(bio, "\n");
602 }
603
604 static int ssl_print_hexbuf(BIO *bio, int indent, const char *name, size_t nlen,
605                             const unsigned char **pmsg, size_t *pmsglen)
606 {
607     size_t blen;
608     const unsigned char *p = *pmsg;
609
610     if (*pmsglen < nlen)
611         return 0;
612     blen = p[0];
613     if (nlen > 1)
614         blen = (blen << 8) | p[1];
615     if (*pmsglen < nlen + blen)
616         return 0;
617     p += nlen;
618     ssl_print_hex(bio, indent, name, p, blen);
619     *pmsg += blen + nlen;
620     *pmsglen -= blen + nlen;
621     return 1;
622 }
623
624 static int ssl_print_version(BIO *bio, int indent, const char *name,
625                              const unsigned char **pmsg, size_t *pmsglen,
626                              unsigned int *version)
627 {
628     int vers;
629
630     if (*pmsglen < 2)
631         return 0;
632     vers = ((*pmsg)[0] << 8) | (*pmsg)[1];
633     if (version != NULL) {
634         /* TODO(TLS1.3): Remove the draft conditional here before release */
635         *version = (vers == TLS1_3_VERSION_DRAFT) ? TLS1_3_VERSION : vers;
636     }
637     BIO_indent(bio, indent, 80);
638     BIO_printf(bio, "%s=0x%x (%s)\n",
639                name, vers, ssl_trace_str(vers, ssl_version_tbl));
640     *pmsg += 2;
641     *pmsglen -= 2;
642     return 1;
643 }
644
645 static int ssl_print_random(BIO *bio, int indent,
646                             const unsigned char **pmsg, size_t *pmsglen)
647 {
648     unsigned int tm;
649     const unsigned char *p = *pmsg;
650
651     if (*pmsglen < 32)
652         return 0;
653     tm = (p[0] << 24) | (p[1] << 16) | (p[2] << 8) | p[3];
654     p += 4;
655     BIO_indent(bio, indent, 80);
656     BIO_puts(bio, "Random:\n");
657     BIO_indent(bio, indent + 2, 80);
658     BIO_printf(bio, "gmt_unix_time=0x%08X\n", tm);
659     ssl_print_hex(bio, indent + 2, "random_bytes", p, 28);
660     *pmsg += 32;
661     *pmsglen -= 32;
662     return 1;
663 }
664
665 static int ssl_print_signature(BIO *bio, int indent, const SSL *ssl,
666                                const unsigned char **pmsg, size_t *pmsglen)
667 {
668     if (*pmsglen < 2)
669         return 0;
670     if (SSL_USE_SIGALGS(ssl)) {
671         const unsigned char *p = *pmsg;
672         unsigned int sigalg = (p[0] << 8) | p[1];
673
674         BIO_indent(bio, indent, 80);
675         BIO_printf(bio, "Signature Algorithm: %s (0x%04x)\n",
676                    ssl_trace_str(sigalg, ssl_sigalg_tbl), sigalg);
677         *pmsg += 2;
678         *pmsglen -= 2;
679     }
680     return ssl_print_hexbuf(bio, indent, "Signature", 2, pmsg, pmsglen);
681 }
682
683 static int ssl_print_extension(BIO *bio, int indent, int server,
684                                unsigned char mt, int extype,
685                                const unsigned char *ext, size_t extlen)
686 {
687     size_t xlen, share_len;
688     unsigned int sigalg;
689     uint32_t max_early_data;
690
691     BIO_indent(bio, indent, 80);
692     BIO_printf(bio, "extension_type=%s(%d), length=%d\n",
693                ssl_trace_str(extype, ssl_exts_tbl), extype, (int)extlen);
694     switch (extype) {
695     case TLSEXT_TYPE_max_fragment_length:
696         if (extlen < 1)
697             return 0;
698         xlen = extlen;
699         return ssl_trace_list(bio, indent + 2, ext, xlen, 1, ssl_mfl_tbl);
700
701     case TLSEXT_TYPE_ec_point_formats:
702         if (extlen < 1)
703             return 0;
704         xlen = ext[0];
705         if (extlen != xlen + 1)
706             return 0;
707         return ssl_trace_list(bio, indent + 2, ext + 1, xlen, 1, ssl_point_tbl);
708
709     case TLSEXT_TYPE_supported_groups:
710         if (extlen < 2)
711             return 0;
712         xlen = (ext[0] << 8) | ext[1];
713         if (extlen != xlen + 2)
714             return 0;
715         return ssl_trace_list(bio, indent + 2, ext + 2, xlen, 2, ssl_groups_tbl);
716     case TLSEXT_TYPE_application_layer_protocol_negotiation:
717         if (extlen < 2)
718             return 0;
719         xlen = (ext[0] << 8) | ext[1];
720         if (extlen != xlen + 2)
721             return 0;
722         ext += 2;
723         while (xlen > 0) {
724             size_t plen = *ext++;
725
726             if (plen > xlen + 1)
727                 return 0;
728             BIO_indent(bio, indent + 2, 80);
729             BIO_write(bio, ext, plen);
730             BIO_puts(bio, "\n");
731             ext += plen;
732             xlen -= plen + 1;
733         }
734         return 1;
735
736     case TLSEXT_TYPE_signature_algorithms:
737
738         if (extlen < 2)
739             return 0;
740         xlen = (ext[0] << 8) | ext[1];
741         if (extlen != xlen + 2)
742             return 0;
743         if (xlen & 1)
744             return 0;
745         ext += 2;
746         while (xlen > 0) {
747             BIO_indent(bio, indent + 2, 80);
748             sigalg = (ext[0] << 8) | ext[1];
749             BIO_printf(bio, "%s (0x%04x)\n",
750                        ssl_trace_str(sigalg, ssl_sigalg_tbl), sigalg);
751             xlen -= 2;
752             ext += 2;
753         }
754         break;
755
756     case TLSEXT_TYPE_renegotiate:
757         if (extlen < 1)
758             return 0;
759         xlen = ext[0];
760         if (xlen + 1 != extlen)
761             return 0;
762         ext++;
763         if (xlen) {
764             if (server) {
765                 if (xlen & 1)
766                     return 0;
767                 xlen >>= 1;
768             }
769             ssl_print_hex(bio, indent + 4, "client_verify_data", ext, xlen);
770             if (server) {
771                 ext += xlen;
772                 ssl_print_hex(bio, indent + 4, "server_verify_data", ext, xlen);
773             }
774         } else {
775             BIO_indent(bio, indent + 4, 80);
776             BIO_puts(bio, "<EMPTY>\n");
777         }
778         break;
779
780     case TLSEXT_TYPE_heartbeat:
781         return 0;
782
783     case TLSEXT_TYPE_session_ticket:
784         if (extlen != 0)
785             ssl_print_hex(bio, indent + 4, "ticket", ext, extlen);
786         break;
787
788     case TLSEXT_TYPE_key_share:
789         if (server && extlen == 2) {
790             int group_id;
791
792             /* We assume this is an HRR, otherwise this is an invalid key_share */
793             group_id = (ext[0] << 8) | ext[1];
794             BIO_indent(bio, indent + 4, 80);
795             BIO_printf(bio, "NamedGroup: %s (%d)\n",
796                        ssl_trace_str(group_id, ssl_groups_tbl), group_id);
797             break;
798         }
799         if (extlen < 2)
800             return 0;
801         if (server) {
802             xlen = extlen;
803         } else {
804             xlen = (ext[0] << 8) | ext[1];
805             if (extlen != xlen + 2)
806                 return 0;
807             ext += 2;
808         }
809         for (; xlen > 0; ext += share_len, xlen -= share_len) {
810             int group_id;
811
812             if (xlen < 4)
813                 return 0;
814             group_id = (ext[0] << 8) | ext[1];
815             share_len = (ext[2] << 8) | ext[3];
816             ext += 4;
817             xlen -= 4;
818             if (xlen < share_len)
819                 return 0;
820             BIO_indent(bio, indent + 4, 80);
821             BIO_printf(bio, "NamedGroup: %s (%d)\n",
822                        ssl_trace_str(group_id, ssl_groups_tbl), group_id);
823             ssl_print_hex(bio, indent + 4, "key_exchange: ", ext, share_len);
824         }
825         break;
826
827     case TLSEXT_TYPE_supported_versions:
828         if (server) {
829             int version;
830
831             if (extlen != 2)
832                 return 0;
833             version = (ext[0] << 8) | ext[1];
834             BIO_indent(bio, indent + 4, 80);
835             BIO_printf(bio, "%s (%d)\n",
836                        ssl_trace_str(version, ssl_version_tbl), version);
837             break;
838         }
839         if (extlen < 1)
840             return 0;
841         xlen = ext[0];
842         if (extlen != xlen + 1)
843             return 0;
844         return ssl_trace_list(bio, indent + 2, ext + 1, xlen, 2,
845                               ssl_version_tbl);
846
847     case TLSEXT_TYPE_psk_kex_modes:
848         if (extlen < 1)
849             return 0;
850         xlen = ext[0];
851         if (extlen != xlen + 1)
852             return 0;
853         return ssl_trace_list(bio, indent + 2, ext + 1, xlen, 1,
854                               ssl_psk_kex_modes_tbl);
855
856     case TLSEXT_TYPE_early_data:
857         if (mt != SSL3_MT_NEWSESSION_TICKET)
858             break;
859         if (extlen != 4)
860             return 0;
861         max_early_data = (ext[0] << 24) | (ext[1] << 16) | (ext[2] << 8)
862                          | ext[3];
863         BIO_indent(bio, indent + 2, 80);
864         BIO_printf(bio, "max_early_data=%u\n", max_early_data);
865         break;
866
867     default:
868         BIO_dump_indent(bio, (const char *)ext, extlen, indent + 2);
869     }
870     return 1;
871 }
872
873 static int ssl_print_extensions(BIO *bio, int indent, int server,
874                                 unsigned char mt, const unsigned char **msgin,
875                                 size_t *msginlen)
876 {
877     size_t extslen, msglen = *msginlen;
878     const unsigned char *msg = *msgin;
879
880     BIO_indent(bio, indent, 80);
881     if (msglen == 0) {
882         BIO_puts(bio, "No Extensions\n");
883         return 1;
884     }
885     extslen = (msg[0] << 8) | msg[1];
886     if (extslen != msglen - 2)
887         return 0;
888     msg += 2;
889     msglen = extslen;
890     BIO_printf(bio, "extensions, length = %d\n", (int)msglen);
891     while (msglen > 0) {
892         int extype;
893         size_t extlen;
894         if (msglen < 4)
895             return 0;
896         extype = (msg[0] << 8) | msg[1];
897         extlen = (msg[2] << 8) | msg[3];
898         if (msglen < extlen + 4) {
899             BIO_printf(bio, "extensions, extype = %d, extlen = %d\n", extype,
900                        (int)extlen);
901             BIO_dump_indent(bio, (const char *)msg, msglen, indent + 2);
902             return 0;
903         }
904         msg += 4;
905         if (!ssl_print_extension(bio, indent + 2, server, mt, extype, msg,
906                                  extlen))
907             return 0;
908         msg += extlen;
909         msglen -= extlen + 4;
910     }
911
912     *msgin = msg;
913     *msginlen = msglen;
914     return 1;
915 }
916
917 static int ssl_print_client_hello(BIO *bio, const SSL *ssl, int indent,
918                                   const unsigned char *msg, size_t msglen)
919 {
920     size_t len;
921     unsigned int cs;
922
923     if (!ssl_print_version(bio, indent, "client_version", &msg, &msglen, NULL))
924         return 0;
925     if (!ssl_print_random(bio, indent, &msg, &msglen))
926         return 0;
927     if (!ssl_print_hexbuf(bio, indent, "session_id", 1, &msg, &msglen))
928         return 0;
929     if (SSL_IS_DTLS(ssl)) {
930         if (!ssl_print_hexbuf(bio, indent, "cookie", 1, &msg, &msglen))
931             return 0;
932     }
933     if (msglen < 2)
934         return 0;
935     len = (msg[0] << 8) | msg[1];
936     msg += 2;
937     msglen -= 2;
938     BIO_indent(bio, indent, 80);
939     BIO_printf(bio, "cipher_suites (len=%d)\n", (int)len);
940     if (msglen < len || len & 1)
941         return 0;
942     while (len > 0) {
943         cs = (msg[0] << 8) | msg[1];
944         BIO_indent(bio, indent + 2, 80);
945         BIO_printf(bio, "{0x%02X, 0x%02X} %s\n",
946                    msg[0], msg[1], ssl_trace_str(cs, ssl_ciphers_tbl));
947         msg += 2;
948         msglen -= 2;
949         len -= 2;
950     }
951     if (msglen < 1)
952         return 0;
953     len = msg[0];
954     msg++;
955     msglen--;
956     if (msglen < len)
957         return 0;
958     BIO_indent(bio, indent, 80);
959     BIO_printf(bio, "compression_methods (len=%d)\n", (int)len);
960     while (len > 0) {
961         BIO_indent(bio, indent + 2, 80);
962         BIO_printf(bio, "%s (0x%02X)\n",
963                    ssl_trace_str(msg[0], ssl_comp_tbl), msg[0]);
964         msg++;
965         msglen--;
966         len--;
967     }
968     if (!ssl_print_extensions(bio, indent, 0, SSL3_MT_CLIENT_HELLO, &msg,
969                               &msglen))
970         return 0;
971     return 1;
972 }
973
974 static int dtls_print_hello_vfyrequest(BIO *bio, int indent,
975                                        const unsigned char *msg, size_t msglen)
976 {
977     if (!ssl_print_version(bio, indent, "server_version", &msg, &msglen, NULL))
978         return 0;
979     if (!ssl_print_hexbuf(bio, indent, "cookie", 1, &msg, &msglen))
980         return 0;
981     return 1;
982 }
983
984 static int ssl_print_server_hello(BIO *bio, int indent,
985                                   const unsigned char *msg, size_t msglen)
986 {
987     unsigned int cs;
988     unsigned int vers;
989
990     if (!ssl_print_version(bio, indent, "server_version", &msg, &msglen, &vers))
991         return 0;
992     if (!ssl_print_random(bio, indent, &msg, &msglen))
993         return 0;
994     if (vers != TLS1_3_VERSION
995             && !ssl_print_hexbuf(bio, indent, "session_id", 1, &msg, &msglen))
996         return 0;
997     if (msglen < 2)
998         return 0;
999     cs = (msg[0] << 8) | msg[1];
1000     BIO_indent(bio, indent, 80);
1001     BIO_printf(bio, "cipher_suite {0x%02X, 0x%02X} %s\n",
1002                msg[0], msg[1], ssl_trace_str(cs, ssl_ciphers_tbl));
1003     msg += 2;
1004     msglen -= 2;
1005     if (vers != TLS1_3_VERSION) {
1006         if (msglen < 1)
1007             return 0;
1008         BIO_indent(bio, indent, 80);
1009         BIO_printf(bio, "compression_method: %s (0x%02X)\n",
1010                    ssl_trace_str(msg[0], ssl_comp_tbl), msg[0]);
1011         msg++;
1012         msglen--;
1013     }
1014     if (!ssl_print_extensions(bio, indent, 1, SSL3_MT_SERVER_HELLO, &msg,
1015                               &msglen))
1016         return 0;
1017     return 1;
1018 }
1019
1020 static int ssl_get_keyex(const char **pname, const SSL *ssl)
1021 {
1022     unsigned long alg_k = ssl->s3->tmp.new_cipher->algorithm_mkey;
1023
1024     if (alg_k & SSL_kRSA) {
1025         *pname = "rsa";
1026         return SSL_kRSA;
1027     }
1028     if (alg_k & SSL_kDHE) {
1029         *pname = "DHE";
1030         return SSL_kDHE;
1031     }
1032     if (alg_k & SSL_kECDHE) {
1033         *pname = "ECDHE";
1034         return SSL_kECDHE;
1035     }
1036     if (alg_k & SSL_kPSK) {
1037         *pname = "PSK";
1038         return SSL_kPSK;
1039     }
1040     if (alg_k & SSL_kRSAPSK) {
1041         *pname = "RSAPSK";
1042         return SSL_kRSAPSK;
1043     }
1044     if (alg_k & SSL_kDHEPSK) {
1045         *pname = "DHEPSK";
1046         return SSL_kDHEPSK;
1047     }
1048     if (alg_k & SSL_kECDHEPSK) {
1049         *pname = "ECDHEPSK";
1050         return SSL_kECDHEPSK;
1051     }
1052     if (alg_k & SSL_kSRP) {
1053         *pname = "SRP";
1054         return SSL_kSRP;
1055     }
1056     if (alg_k & SSL_kGOST) {
1057         *pname = "GOST";
1058         return SSL_kGOST;
1059     }
1060     *pname = "UNKNOWN";
1061     return 0;
1062 }
1063
1064 static int ssl_print_client_keyex(BIO *bio, int indent, const SSL *ssl,
1065                                   const unsigned char *msg, size_t msglen)
1066 {
1067     const char *algname;
1068     int id = ssl_get_keyex(&algname, ssl);
1069
1070     BIO_indent(bio, indent, 80);
1071     BIO_printf(bio, "KeyExchangeAlgorithm=%s\n", algname);
1072     if (id & SSL_PSK) {
1073         if (!ssl_print_hexbuf(bio, indent + 2,
1074                               "psk_identity", 2, &msg, &msglen))
1075             return 0;
1076     }
1077     switch (id) {
1078
1079     case SSL_kRSA:
1080     case SSL_kRSAPSK:
1081         if (TLS1_get_version(ssl) == SSL3_VERSION) {
1082             ssl_print_hex(bio, indent + 2,
1083                           "EncyptedPreMasterSecret", msg, msglen);
1084         } else {
1085             if (!ssl_print_hexbuf(bio, indent + 2,
1086                                   "EncyptedPreMasterSecret", 2, &msg, &msglen))
1087                 return 0;
1088         }
1089         break;
1090
1091     case SSL_kDHE:
1092     case SSL_kDHEPSK:
1093         if (!ssl_print_hexbuf(bio, indent + 2, "dh_Yc", 2, &msg, &msglen))
1094             return 0;
1095         break;
1096
1097     case SSL_kECDHE:
1098     case SSL_kECDHEPSK:
1099         if (!ssl_print_hexbuf(bio, indent + 2, "ecdh_Yc", 1, &msg, &msglen))
1100             return 0;
1101         break;
1102
1103     }
1104
1105     return !msglen;
1106 }
1107
1108 static int ssl_print_server_keyex(BIO *bio, int indent, const SSL *ssl,
1109                                   const unsigned char *msg, size_t msglen)
1110 {
1111     const char *algname;
1112     int id = ssl_get_keyex(&algname, ssl);
1113
1114     BIO_indent(bio, indent, 80);
1115     BIO_printf(bio, "KeyExchangeAlgorithm=%s\n", algname);
1116     if (id & SSL_PSK) {
1117         if (!ssl_print_hexbuf(bio, indent + 2,
1118                               "psk_identity_hint", 2, &msg, &msglen))
1119             return 0;
1120     }
1121     switch (id) {
1122     case SSL_kRSA:
1123
1124         if (!ssl_print_hexbuf(bio, indent + 2, "rsa_modulus", 2, &msg, &msglen))
1125             return 0;
1126         if (!ssl_print_hexbuf(bio, indent + 2, "rsa_exponent", 2,
1127                               &msg, &msglen))
1128             return 0;
1129         break;
1130
1131     case SSL_kDHE:
1132     case SSL_kDHEPSK:
1133         if (!ssl_print_hexbuf(bio, indent + 2, "dh_p", 2, &msg, &msglen))
1134             return 0;
1135         if (!ssl_print_hexbuf(bio, indent + 2, "dh_g", 2, &msg, &msglen))
1136             return 0;
1137         if (!ssl_print_hexbuf(bio, indent + 2, "dh_Ys", 2, &msg, &msglen))
1138             return 0;
1139         break;
1140
1141 # ifndef OPENSSL_NO_EC
1142     case SSL_kECDHE:
1143     case SSL_kECDHEPSK:
1144         if (msglen < 1)
1145             return 0;
1146         BIO_indent(bio, indent + 2, 80);
1147         if (msg[0] == EXPLICIT_PRIME_CURVE_TYPE)
1148             BIO_puts(bio, "explicit_prime\n");
1149         else if (msg[0] == EXPLICIT_CHAR2_CURVE_TYPE)
1150             BIO_puts(bio, "explicit_char2\n");
1151         else if (msg[0] == NAMED_CURVE_TYPE) {
1152             int curve;
1153             if (msglen < 3)
1154                 return 0;
1155             curve = (msg[1] << 8) | msg[2];
1156             BIO_printf(bio, "named_curve: %s (%d)\n",
1157                        ssl_trace_str(curve, ssl_groups_tbl), curve);
1158             msg += 3;
1159             msglen -= 3;
1160             if (!ssl_print_hexbuf(bio, indent + 2, "point", 1, &msg, &msglen))
1161                 return 0;
1162         } else {
1163             BIO_printf(bio, "UNKNOWN CURVE PARAMETER TYPE %d\n", msg[0]);
1164             return 0;
1165         }
1166         break;
1167 # endif
1168
1169     case SSL_kPSK:
1170     case SSL_kRSAPSK:
1171         break;
1172     }
1173     if (!(id & SSL_PSK))
1174         ssl_print_signature(bio, indent, ssl, &msg, &msglen);
1175     return !msglen;
1176 }
1177
1178 static int ssl_print_certificate(BIO *bio, int indent,
1179                                  const unsigned char **pmsg, size_t *pmsglen)
1180 {
1181     size_t msglen = *pmsglen;
1182     size_t clen;
1183     X509 *x;
1184     const unsigned char *p = *pmsg, *q;
1185
1186     if (msglen < 3)
1187         return 0;
1188     clen = (p[0] << 16) | (p[1] << 8) | p[2];
1189     if (msglen < clen + 3)
1190         return 0;
1191     q = p + 3;
1192     BIO_indent(bio, indent, 80);
1193     BIO_printf(bio, "ASN.1Cert, length=%d", (int)clen);
1194     x = d2i_X509(NULL, &q, clen);
1195     if (!x)
1196         BIO_puts(bio, "<UNPARSEABLE CERTIFICATE>\n");
1197     else {
1198         BIO_puts(bio, "\n------details-----\n");
1199         X509_print_ex(bio, x, XN_FLAG_ONELINE, 0);
1200         PEM_write_bio_X509(bio, x);
1201         /* Print certificate stuff */
1202         BIO_puts(bio, "------------------\n");
1203         X509_free(x);
1204     }
1205     if (q != p + 3 + clen) {
1206         BIO_puts(bio, "<TRAILING GARBAGE AFTER CERTIFICATE>\n");
1207     }
1208     *pmsg += clen + 3;
1209     *pmsglen -= clen + 3;
1210     return 1;
1211 }
1212
1213 static int ssl_print_certificates(BIO *bio, const SSL *ssl, int server,
1214                                   int indent, const unsigned char *msg,
1215                                   size_t msglen)
1216 {
1217     size_t clen;
1218
1219     if (SSL_IS_TLS13(ssl)
1220             && !ssl_print_hexbuf(bio, indent, "context", 1, &msg, &msglen))
1221         return 0;
1222
1223     if (msglen < 3)
1224         return 0;
1225     clen = (msg[0] << 16) | (msg[1] << 8) | msg[2];
1226     if (msglen != clen + 3)
1227         return 0;
1228     msg += 3;
1229     BIO_indent(bio, indent, 80);
1230     BIO_printf(bio, "certificate_list, length=%d\n", (int)clen);
1231     while (clen > 0) {
1232         if (!ssl_print_certificate(bio, indent + 2, &msg, &clen))
1233             return 0;
1234         if (!ssl_print_extensions(bio, indent + 2, server, SSL3_MT_CERTIFICATE,
1235                                   &msg, &clen))
1236             return 0;
1237
1238     }
1239     return 1;
1240 }
1241
1242 static int ssl_print_cert_request(BIO *bio, int indent, const SSL *ssl,
1243                                   const unsigned char *msg, size_t msglen)
1244 {
1245     size_t xlen;
1246     unsigned int sigalg;
1247
1248     if (SSL_IS_TLS13(ssl)) {
1249         if (!ssl_print_hexbuf(bio, indent, "request_context", 1, &msg, &msglen))
1250             return 0;
1251         if (!ssl_print_extensions(bio, indent, 1,
1252                                   SSL3_MT_CERTIFICATE_REQUEST, &msg, &msglen))
1253             return 0;
1254         return 1;
1255     } else {
1256         if (msglen < 1)
1257             return 0;
1258         xlen = msg[0];
1259         if (msglen < xlen + 1)
1260             return 0;
1261         msg++;
1262         BIO_indent(bio, indent, 80);
1263         BIO_printf(bio, "certificate_types (len=%d)\n", (int)xlen);
1264         if (!ssl_trace_list(bio, indent + 2, msg, xlen, 1, ssl_ctype_tbl))
1265             return 0;
1266         msg += xlen;
1267         msglen -= xlen + 1;
1268     }
1269     if (SSL_USE_SIGALGS(ssl)) {
1270         if (msglen < 2)
1271             return 0;
1272         xlen = (msg[0] << 8) | msg[1];
1273         if (msglen < xlen + 2 || (xlen & 1))
1274             return 0;
1275         msg += 2;
1276         msglen -= xlen + 2;
1277         BIO_indent(bio, indent, 80);
1278         BIO_printf(bio, "signature_algorithms (len=%d)\n", (int)xlen);
1279         while (xlen > 0) {
1280             BIO_indent(bio, indent + 2, 80);
1281             sigalg = (msg[0] << 8) | msg[1];
1282             BIO_printf(bio, "%s (0x%04x)\n",
1283                        ssl_trace_str(sigalg, ssl_sigalg_tbl), sigalg);
1284             xlen -= 2;
1285             msg += 2;
1286         }
1287         msg += xlen;
1288     }
1289
1290     xlen = (msg[0] << 8) | msg[1];
1291     BIO_indent(bio, indent, 80);
1292     if (msglen < xlen + 2)
1293         return 0;
1294     msg += 2;
1295     msglen -= 2 + xlen;
1296     BIO_printf(bio, "certificate_authorities (len=%d)\n", (int)xlen);
1297     while (xlen > 0) {
1298         size_t dlen;
1299         X509_NAME *nm;
1300         const unsigned char *p;
1301         if (xlen < 2)
1302             return 0;
1303         dlen = (msg[0] << 8) | msg[1];
1304         if (xlen < dlen + 2)
1305             return 0;
1306         msg += 2;
1307         BIO_indent(bio, indent + 2, 80);
1308         BIO_printf(bio, "DistinguishedName (len=%d): ", (int)dlen);
1309         p = msg;
1310         nm = d2i_X509_NAME(NULL, &p, dlen);
1311         if (!nm) {
1312             BIO_puts(bio, "<UNPARSEABLE DN>\n");
1313         } else {
1314             X509_NAME_print_ex(bio, nm, 0, XN_FLAG_ONELINE);
1315             BIO_puts(bio, "\n");
1316             X509_NAME_free(nm);
1317         }
1318         xlen -= dlen + 2;
1319         msg += dlen;
1320     }
1321     if (SSL_IS_TLS13(ssl)) {
1322         if (!ssl_print_hexbuf(bio, indent, "request_extensions", 2,
1323                               &msg, &msglen))
1324             return 0;
1325     }
1326     return msglen == 0;
1327 }
1328
1329 static int ssl_print_ticket(BIO *bio, int indent, const SSL *ssl,
1330                             const unsigned char *msg, size_t msglen)
1331 {
1332     unsigned int tick_life;
1333
1334     if (msglen == 0) {
1335         BIO_indent(bio, indent + 2, 80);
1336         BIO_puts(bio, "No Ticket\n");
1337         return 1;
1338     }
1339     if (msglen < 4)
1340         return 0;
1341     tick_life = (msg[0] << 24) | (msg[1] << 16) | (msg[2] << 8) | msg[3];
1342     msglen -= 4;
1343     msg += 4;
1344     BIO_indent(bio, indent + 2, 80);
1345     BIO_printf(bio, "ticket_lifetime_hint=%u\n", tick_life);
1346     if (SSL_IS_TLS13(ssl)) {
1347         unsigned int ticket_age_add;
1348
1349         if (msglen < 4)
1350             return 0;
1351         ticket_age_add = (msg[0] << 24) | (msg[1] << 16) | (msg[2] << 8)
1352                           | msg[3];
1353         msglen -= 4;
1354         msg += 4;
1355         BIO_indent(bio, indent + 2, 80);
1356         BIO_printf(bio, "ticket_age_add=%u\n", ticket_age_add);
1357         if (!ssl_print_hexbuf(bio, indent + 2, "ticket_nonce", 1, &msg,
1358                               &msglen))
1359             return 0;
1360     }
1361     if (!ssl_print_hexbuf(bio, indent + 2, "ticket", 2, &msg, &msglen))
1362         return 0;
1363     if (SSL_IS_TLS13(ssl)
1364             && !ssl_print_extensions(bio, indent + 2, 0,
1365                                      SSL3_MT_NEWSESSION_TICKET, &msg, &msglen))
1366         return 0;
1367     if (msglen)
1368         return 0;
1369     return 1;
1370 }
1371
1372 static int ssl_print_handshake(BIO *bio, const SSL *ssl, int server,
1373                                const unsigned char *msg, size_t msglen,
1374                                int indent)
1375 {
1376     size_t hlen;
1377     unsigned char htype;
1378
1379     if (msglen < 4)
1380         return 0;
1381     htype = msg[0];
1382     hlen = (msg[1] << 16) | (msg[2] << 8) | msg[3];
1383     BIO_indent(bio, indent, 80);
1384     BIO_printf(bio, "%s, Length=%d\n",
1385                ssl_trace_str(htype, ssl_handshake_tbl), (int)hlen);
1386     msg += 4;
1387     msglen -= 4;
1388     if (SSL_IS_DTLS(ssl)) {
1389         if (msglen < 8)
1390             return 0;
1391         BIO_indent(bio, indent, 80);
1392         BIO_printf(bio, "message_seq=%d, fragment_offset=%d, "
1393                    "fragment_length=%d\n",
1394                    (msg[0] << 8) | msg[1],
1395                    (msg[2] << 16) | (msg[3] << 8) | msg[4],
1396                    (msg[5] << 16) | (msg[6] << 8) | msg[7]);
1397         msg += 8;
1398         msglen -= 8;
1399     }
1400     if (msglen < hlen)
1401         return 0;
1402     switch (htype) {
1403     case SSL3_MT_CLIENT_HELLO:
1404         if (!ssl_print_client_hello(bio, ssl, indent + 2, msg, msglen))
1405             return 0;
1406         break;
1407
1408     case DTLS1_MT_HELLO_VERIFY_REQUEST:
1409         if (!dtls_print_hello_vfyrequest(bio, indent + 2, msg, msglen))
1410             return 0;
1411         break;
1412
1413     case SSL3_MT_SERVER_HELLO:
1414         if (!ssl_print_server_hello(bio, indent + 2, msg, msglen))
1415             return 0;
1416         break;
1417
1418     case SSL3_MT_SERVER_KEY_EXCHANGE:
1419         if (!ssl_print_server_keyex(bio, indent + 2, ssl, msg, msglen))
1420             return 0;
1421         break;
1422
1423     case SSL3_MT_CLIENT_KEY_EXCHANGE:
1424         if (!ssl_print_client_keyex(bio, indent + 2, ssl, msg, msglen))
1425             return 0;
1426         break;
1427
1428     case SSL3_MT_CERTIFICATE:
1429         if (!ssl_print_certificates(bio, ssl, server, indent + 2, msg, msglen))
1430             return 0;
1431         break;
1432
1433     case SSL3_MT_CERTIFICATE_VERIFY:
1434         if (!ssl_print_signature(bio, indent + 2, ssl, &msg, &msglen))
1435             return 0;
1436         break;
1437
1438     case SSL3_MT_CERTIFICATE_REQUEST:
1439         if (!ssl_print_cert_request(bio, indent + 2, ssl, msg, msglen))
1440             return 0;
1441         break;
1442
1443     case SSL3_MT_FINISHED:
1444         ssl_print_hex(bio, indent + 2, "verify_data", msg, msglen);
1445         break;
1446
1447     case SSL3_MT_SERVER_DONE:
1448         if (msglen != 0)
1449             ssl_print_hex(bio, indent + 2, "unexpected value", msg, msglen);
1450         break;
1451
1452     case SSL3_MT_NEWSESSION_TICKET:
1453         if (!ssl_print_ticket(bio, indent + 2, ssl, msg, msglen))
1454             return 0;
1455         break;
1456
1457     case SSL3_MT_ENCRYPTED_EXTENSIONS:
1458         if (!ssl_print_extensions(bio, indent + 2, 1,
1459                                   SSL3_MT_ENCRYPTED_EXTENSIONS, &msg, &msglen))
1460             return 0;
1461         break;
1462
1463     case SSL3_MT_KEY_UPDATE:
1464         if (msglen != 1) {
1465             ssl_print_hex(bio, indent + 2, "unexpected value", msg, msglen);
1466             return 0;
1467         }
1468         if (!ssl_trace_list(bio, indent + 2, msg, msglen, 1,
1469                             ssl_key_update_tbl))
1470             return 0;
1471         break;
1472
1473     default:
1474         BIO_indent(bio, indent + 2, 80);
1475         BIO_puts(bio, "Unsupported, hex dump follows:\n");
1476         BIO_dump_indent(bio, (const char *)msg, msglen, indent + 4);
1477     }
1478     return 1;
1479 }
1480
1481 void SSL_trace(int write_p, int version, int content_type,
1482                const void *buf, size_t msglen, SSL *ssl, void *arg)
1483 {
1484     const unsigned char *msg = buf;
1485     BIO *bio = arg;
1486
1487     switch (content_type) {
1488     case SSL3_RT_HEADER:
1489         {
1490             int hvers = msg[1] << 8 | msg[2];
1491             BIO_puts(bio, write_p ? "Sent" : "Received");
1492             BIO_printf(bio, " Record\nHeader:\n  Version = %s (0x%x)\n",
1493                        ssl_trace_str(hvers, ssl_version_tbl), hvers);
1494             if (SSL_IS_DTLS(ssl)) {
1495                 BIO_printf(bio,
1496                            "  epoch=%d, sequence_number=%04x%04x%04x\n",
1497                            (msg[3] << 8 | msg[4]),
1498                            (msg[5] << 8 | msg[6]),
1499                            (msg[7] << 8 | msg[8]), (msg[9] << 8 | msg[10]));
1500             }
1501
1502             BIO_printf(bio, "  Content Type = %s (%d)\n  Length = %d",
1503                        ssl_trace_str(msg[0], ssl_content_tbl), msg[0],
1504                        msg[msglen - 2] << 8 | msg[msglen - 1]);
1505         }
1506         break;
1507
1508     case SSL3_RT_INNER_CONTENT_TYPE:
1509         BIO_printf(bio, "  Inner Content Type = %s (%d)",
1510                    ssl_trace_str(msg[0], ssl_content_tbl), msg[0]);
1511         break;
1512
1513     case SSL3_RT_HANDSHAKE:
1514         if (!ssl_print_handshake(bio, ssl, ssl->server ? write_p : !write_p,
1515                                  msg, msglen, 4))
1516             BIO_printf(bio, "Message length parse error!\n");
1517         break;
1518
1519     case SSL3_RT_CHANGE_CIPHER_SPEC:
1520         if (msglen == 1 && msg[0] == 1)
1521             BIO_puts(bio, "    change_cipher_spec (1)\n");
1522         else
1523             ssl_print_hex(bio, 4, "unknown value", msg, msglen);
1524         break;
1525
1526     case SSL3_RT_ALERT:
1527         if (msglen != 2)
1528             BIO_puts(bio, "    Illegal Alert Length\n");
1529         else {
1530             BIO_printf(bio, "    Level=%s(%d), description=%s(%d)\n",
1531                        SSL_alert_type_string_long(msg[0] << 8),
1532                        msg[0], SSL_alert_desc_string_long(msg[1]), msg[1]);
1533         }
1534
1535     }
1536
1537     BIO_puts(bio, "\n");
1538 }
1539
1540 #endif