New Russian TLS 1.2 implementation
[openssl.git] / ssl / t1_trce.c
1 /*
2  * Copyright 2012-2020 The OpenSSL Project Authors. All Rights Reserved.
3  *
4  * Licensed under the Apache License 2.0 (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_local.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     {DTLS1_VERSION, "DTLS 1.0"},
69     {DTLS1_2_VERSION, "DTLS 1.2"},
70     {DTLS1_BAD_VER, "DTLS 1.0 (bad)"}
71 };
72
73 static const ssl_trace_tbl ssl_content_tbl[] = {
74     {SSL3_RT_CHANGE_CIPHER_SPEC, "ChangeCipherSpec"},
75     {SSL3_RT_ALERT, "Alert"},
76     {SSL3_RT_HANDSHAKE, "Handshake"},
77     {SSL3_RT_APPLICATION_DATA, "ApplicationData"},
78 };
79
80 /* Handshake types, sorted by ascending id  */
81 static const ssl_trace_tbl ssl_handshake_tbl[] = {
82     {SSL3_MT_HELLO_REQUEST, "HelloRequest"},
83     {SSL3_MT_CLIENT_HELLO, "ClientHello"},
84     {SSL3_MT_SERVER_HELLO, "ServerHello"},
85     {DTLS1_MT_HELLO_VERIFY_REQUEST, "HelloVerifyRequest"},
86     {SSL3_MT_NEWSESSION_TICKET, "NewSessionTicket"},
87     {SSL3_MT_END_OF_EARLY_DATA, "EndOfEarlyData"},
88     {SSL3_MT_ENCRYPTED_EXTENSIONS, "EncryptedExtensions"},
89     {SSL3_MT_CERTIFICATE, "Certificate"},
90     {SSL3_MT_SERVER_KEY_EXCHANGE, "ServerKeyExchange"},
91     {SSL3_MT_CERTIFICATE_REQUEST, "CertificateRequest"},
92     {SSL3_MT_SERVER_DONE, "ServerHelloDone"},
93     {SSL3_MT_CERTIFICATE_VERIFY, "CertificateVerify"},
94     {SSL3_MT_CLIENT_KEY_EXCHANGE, "ClientKeyExchange"},
95     {SSL3_MT_FINISHED, "Finished"},
96     {SSL3_MT_CERTIFICATE_URL, "CertificateUrl"},
97     {SSL3_MT_CERTIFICATE_STATUS, "CertificateStatus"},
98     {SSL3_MT_SUPPLEMENTAL_DATA, "SupplementalData"},
99     {SSL3_MT_KEY_UPDATE, "KeyUpdate"},
100 # ifndef OPENSSL_NO_NEXTPROTONEG
101     {SSL3_MT_NEXT_PROTO, "NextProto"},
102 # endif
103     {SSL3_MT_MESSAGE_HASH, "MessageHash"}
104 };
105
106 /* Cipher suites */
107 static const ssl_trace_tbl ssl_ciphers_tbl[] = {
108     {0x0000, "TLS_NULL_WITH_NULL_NULL"},
109     {0x0001, "TLS_RSA_WITH_NULL_MD5"},
110     {0x0002, "TLS_RSA_WITH_NULL_SHA"},
111     {0x0003, "TLS_RSA_EXPORT_WITH_RC4_40_MD5"},
112     {0x0004, "TLS_RSA_WITH_RC4_128_MD5"},
113     {0x0005, "TLS_RSA_WITH_RC4_128_SHA"},
114     {0x0006, "TLS_RSA_EXPORT_WITH_RC2_CBC_40_MD5"},
115     {0x0007, "TLS_RSA_WITH_IDEA_CBC_SHA"},
116     {0x0008, "TLS_RSA_EXPORT_WITH_DES40_CBC_SHA"},
117     {0x0009, "TLS_RSA_WITH_DES_CBC_SHA"},
118     {0x000A, "TLS_RSA_WITH_3DES_EDE_CBC_SHA"},
119     {0x000B, "TLS_DH_DSS_EXPORT_WITH_DES40_CBC_SHA"},
120     {0x000C, "TLS_DH_DSS_WITH_DES_CBC_SHA"},
121     {0x000D, "TLS_DH_DSS_WITH_3DES_EDE_CBC_SHA"},
122     {0x000E, "TLS_DH_RSA_EXPORT_WITH_DES40_CBC_SHA"},
123     {0x000F, "TLS_DH_RSA_WITH_DES_CBC_SHA"},
124     {0x0010, "TLS_DH_RSA_WITH_3DES_EDE_CBC_SHA"},
125     {0x0011, "TLS_DHE_DSS_EXPORT_WITH_DES40_CBC_SHA"},
126     {0x0012, "TLS_DHE_DSS_WITH_DES_CBC_SHA"},
127     {0x0013, "TLS_DHE_DSS_WITH_3DES_EDE_CBC_SHA"},
128     {0x0014, "TLS_DHE_RSA_EXPORT_WITH_DES40_CBC_SHA"},
129     {0x0015, "TLS_DHE_RSA_WITH_DES_CBC_SHA"},
130     {0x0016, "TLS_DHE_RSA_WITH_3DES_EDE_CBC_SHA"},
131     {0x0017, "TLS_DH_anon_EXPORT_WITH_RC4_40_MD5"},
132     {0x0018, "TLS_DH_anon_WITH_RC4_128_MD5"},
133     {0x0019, "TLS_DH_anon_EXPORT_WITH_DES40_CBC_SHA"},
134     {0x001A, "TLS_DH_anon_WITH_DES_CBC_SHA"},
135     {0x001B, "TLS_DH_anon_WITH_3DES_EDE_CBC_SHA"},
136     {0x001D, "SSL_FORTEZZA_KEA_WITH_FORTEZZA_CBC_SHA"},
137     {0x001E, "SSL_FORTEZZA_KEA_WITH_RC4_128_SHA"},
138     {0x001F, "TLS_KRB5_WITH_3DES_EDE_CBC_SHA"},
139     {0x0020, "TLS_KRB5_WITH_RC4_128_SHA"},
140     {0x0021, "TLS_KRB5_WITH_IDEA_CBC_SHA"},
141     {0x0022, "TLS_KRB5_WITH_DES_CBC_MD5"},
142     {0x0023, "TLS_KRB5_WITH_3DES_EDE_CBC_MD5"},
143     {0x0024, "TLS_KRB5_WITH_RC4_128_MD5"},
144     {0x0025, "TLS_KRB5_WITH_IDEA_CBC_MD5"},
145     {0x0026, "TLS_KRB5_EXPORT_WITH_DES_CBC_40_SHA"},
146     {0x0027, "TLS_KRB5_EXPORT_WITH_RC2_CBC_40_SHA"},
147     {0x0028, "TLS_KRB5_EXPORT_WITH_RC4_40_SHA"},
148     {0x0029, "TLS_KRB5_EXPORT_WITH_DES_CBC_40_MD5"},
149     {0x002A, "TLS_KRB5_EXPORT_WITH_RC2_CBC_40_MD5"},
150     {0x002B, "TLS_KRB5_EXPORT_WITH_RC4_40_MD5"},
151     {0x002C, "TLS_PSK_WITH_NULL_SHA"},
152     {0x002D, "TLS_DHE_PSK_WITH_NULL_SHA"},
153     {0x002E, "TLS_RSA_PSK_WITH_NULL_SHA"},
154     {0x002F, "TLS_RSA_WITH_AES_128_CBC_SHA"},
155     {0x0030, "TLS_DH_DSS_WITH_AES_128_CBC_SHA"},
156     {0x0031, "TLS_DH_RSA_WITH_AES_128_CBC_SHA"},
157     {0x0032, "TLS_DHE_DSS_WITH_AES_128_CBC_SHA"},
158     {0x0033, "TLS_DHE_RSA_WITH_AES_128_CBC_SHA"},
159     {0x0034, "TLS_DH_anon_WITH_AES_128_CBC_SHA"},
160     {0x0035, "TLS_RSA_WITH_AES_256_CBC_SHA"},
161     {0x0036, "TLS_DH_DSS_WITH_AES_256_CBC_SHA"},
162     {0x0037, "TLS_DH_RSA_WITH_AES_256_CBC_SHA"},
163     {0x0038, "TLS_DHE_DSS_WITH_AES_256_CBC_SHA"},
164     {0x0039, "TLS_DHE_RSA_WITH_AES_256_CBC_SHA"},
165     {0x003A, "TLS_DH_anon_WITH_AES_256_CBC_SHA"},
166     {0x003B, "TLS_RSA_WITH_NULL_SHA256"},
167     {0x003C, "TLS_RSA_WITH_AES_128_CBC_SHA256"},
168     {0x003D, "TLS_RSA_WITH_AES_256_CBC_SHA256"},
169     {0x003E, "TLS_DH_DSS_WITH_AES_128_CBC_SHA256"},
170     {0x003F, "TLS_DH_RSA_WITH_AES_128_CBC_SHA256"},
171     {0x0040, "TLS_DHE_DSS_WITH_AES_128_CBC_SHA256"},
172     {0x0041, "TLS_RSA_WITH_CAMELLIA_128_CBC_SHA"},
173     {0x0042, "TLS_DH_DSS_WITH_CAMELLIA_128_CBC_SHA"},
174     {0x0043, "TLS_DH_RSA_WITH_CAMELLIA_128_CBC_SHA"},
175     {0x0044, "TLS_DHE_DSS_WITH_CAMELLIA_128_CBC_SHA"},
176     {0x0045, "TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA"},
177     {0x0046, "TLS_DH_anon_WITH_CAMELLIA_128_CBC_SHA"},
178     {0x0067, "TLS_DHE_RSA_WITH_AES_128_CBC_SHA256"},
179     {0x0068, "TLS_DH_DSS_WITH_AES_256_CBC_SHA256"},
180     {0x0069, "TLS_DH_RSA_WITH_AES_256_CBC_SHA256"},
181     {0x006A, "TLS_DHE_DSS_WITH_AES_256_CBC_SHA256"},
182     {0x006B, "TLS_DHE_RSA_WITH_AES_256_CBC_SHA256"},
183     {0x006C, "TLS_DH_anon_WITH_AES_128_CBC_SHA256"},
184     {0x006D, "TLS_DH_anon_WITH_AES_256_CBC_SHA256"},
185     {0x0081, "TLS_GOSTR341001_WITH_28147_CNT_IMIT"},
186     {0x0083, "TLS_GOSTR341001_WITH_NULL_GOSTR3411"},
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     {0xC102, "IANA-GOST2012-GOST8912-GOST8912"},
431     {0xCCA8, "TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256"},
432     {0xCCA9, "TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256"},
433     {0xCCAA, "TLS_DHE_RSA_WITH_CHACHA20_POLY1305_SHA256"},
434     {0xCCAB, "TLS_PSK_WITH_CHACHA20_POLY1305_SHA256"},
435     {0xCCAC, "TLS_ECDHE_PSK_WITH_CHACHA20_POLY1305_SHA256"},
436     {0xCCAD, "TLS_DHE_PSK_WITH_CHACHA20_POLY1305_SHA256"},
437     {0xCCAE, "TLS_RSA_PSK_WITH_CHACHA20_POLY1305_SHA256"},
438     {0x1301, "TLS_AES_128_GCM_SHA256"},
439     {0x1302, "TLS_AES_256_GCM_SHA384"},
440     {0x1303, "TLS_CHACHA20_POLY1305_SHA256"},
441     {0x1304, "TLS_AES_128_CCM_SHA256"},
442     {0x1305, "TLS_AES_128_CCM_8_SHA256"},
443     {0xFEFE, "SSL_RSA_FIPS_WITH_DES_CBC_SHA"},
444     {0xFEFF, "SSL_RSA_FIPS_WITH_3DES_EDE_CBC_SHA"},
445     {0xFF85, "LEGACY-GOST2012-GOST8912-GOST8912"},
446     {0xFF87, "GOST2012-NULL-GOST12"},
447     {0xC100, "GOST2012-KUZNYECHIK-KUZNYECHIKOMAC"},
448     {0xC101, "GOST2012-MAGMA-MAGMAOMAC"},
449     {0xC102, "GOST2012-GOST8912-IANA"},
450 };
451
452 /* Compression methods */
453 static const ssl_trace_tbl ssl_comp_tbl[] = {
454     {0x0000, "No Compression"},
455     {0x0001, "Zlib Compression"}
456 };
457
458 /* Extensions sorted by ascending id */
459 static const ssl_trace_tbl ssl_exts_tbl[] = {
460     {TLSEXT_TYPE_server_name, "server_name"},
461     {TLSEXT_TYPE_max_fragment_length, "max_fragment_length"},
462     {TLSEXT_TYPE_client_certificate_url, "client_certificate_url"},
463     {TLSEXT_TYPE_trusted_ca_keys, "trusted_ca_keys"},
464     {TLSEXT_TYPE_truncated_hmac, "truncated_hmac"},
465     {TLSEXT_TYPE_status_request, "status_request"},
466     {TLSEXT_TYPE_user_mapping, "user_mapping"},
467     {TLSEXT_TYPE_client_authz, "client_authz"},
468     {TLSEXT_TYPE_server_authz, "server_authz"},
469     {TLSEXT_TYPE_cert_type, "cert_type"},
470     {TLSEXT_TYPE_supported_groups, "supported_groups"},
471     {TLSEXT_TYPE_ec_point_formats, "ec_point_formats"},
472     {TLSEXT_TYPE_srp, "srp"},
473     {TLSEXT_TYPE_signature_algorithms, "signature_algorithms"},
474     {TLSEXT_TYPE_use_srtp, "use_srtp"},
475     {TLSEXT_TYPE_application_layer_protocol_negotiation,
476      "application_layer_protocol_negotiation"},
477     {TLSEXT_TYPE_signed_certificate_timestamp, "signed_certificate_timestamps"},
478     {TLSEXT_TYPE_padding, "padding"},
479     {TLSEXT_TYPE_encrypt_then_mac, "encrypt_then_mac"},
480     {TLSEXT_TYPE_extended_master_secret, "extended_master_secret"},
481     {TLSEXT_TYPE_session_ticket, "session_ticket"},
482     {TLSEXT_TYPE_psk, "psk"},
483     {TLSEXT_TYPE_early_data, "early_data"},
484     {TLSEXT_TYPE_supported_versions, "supported_versions"},
485     {TLSEXT_TYPE_cookie, "cookie_ext"},
486     {TLSEXT_TYPE_psk_kex_modes, "psk_key_exchange_modes"},
487     {TLSEXT_TYPE_certificate_authorities, "certificate_authorities"},
488     {TLSEXT_TYPE_post_handshake_auth, "post_handshake_auth"},
489     {TLSEXT_TYPE_signature_algorithms_cert, "signature_algorithms_cert"},
490     {TLSEXT_TYPE_key_share, "key_share"},
491     {TLSEXT_TYPE_renegotiate, "renegotiate"},
492 # ifndef OPENSSL_NO_NEXTPROTONEG
493     {TLSEXT_TYPE_next_proto_neg, "next_proto_neg"},
494 # endif
495 };
496
497 static const ssl_trace_tbl ssl_groups_tbl[] = {
498     {1, "sect163k1 (K-163)"},
499     {2, "sect163r1"},
500     {3, "sect163r2 (B-163)"},
501     {4, "sect193r1"},
502     {5, "sect193r2"},
503     {6, "sect233k1 (K-233)"},
504     {7, "sect233r1 (B-233)"},
505     {8, "sect239k1"},
506     {9, "sect283k1 (K-283)"},
507     {10, "sect283r1 (B-283)"},
508     {11, "sect409k1 (K-409)"},
509     {12, "sect409r1 (B-409)"},
510     {13, "sect571k1 (K-571)"},
511     {14, "sect571r1 (B-571)"},
512     {15, "secp160k1"},
513     {16, "secp160r1"},
514     {17, "secp160r2"},
515     {18, "secp192k1"},
516     {19, "secp192r1 (P-192)"},
517     {20, "secp224k1"},
518     {21, "secp224r1 (P-224)"},
519     {22, "secp256k1"},
520     {23, "secp256r1 (P-256)"},
521     {24, "secp384r1 (P-384)"},
522     {25, "secp521r1 (P-521)"},
523     {26, "brainpoolP256r1"},
524     {27, "brainpoolP384r1"},
525     {28, "brainpoolP512r1"},
526     {29, "ecdh_x25519"},
527     {30, "ecdh_x448"},
528     {34, "GC256A"},
529     {35, "GC256B"},
530     {36, "GC256C"},
531     {37, "GC256D"},
532     {38, "GC512A"},
533     {39, "GC512B"},
534     {40, "GC512C"},
535     {256, "ffdhe2048"},
536     {257, "ffdhe3072"},
537     {258, "ffdhe4096"},
538     {259, "ffdhe6144"},
539     {260, "ffdhe8192"},
540     {0xFF01, "arbitrary_explicit_prime_curves"},
541     {0xFF02, "arbitrary_explicit_char2_curves"}
542 };
543
544 static const ssl_trace_tbl ssl_point_tbl[] = {
545     {0, "uncompressed"},
546     {1, "ansiX962_compressed_prime"},
547     {2, "ansiX962_compressed_char2"}
548 };
549
550 static const ssl_trace_tbl ssl_mfl_tbl[] = {
551     {0, "disabled"},
552     {1, "max_fragment_length := 2^9 (512 bytes)"},
553     {2, "max_fragment_length := 2^10 (1024 bytes)"},
554     {3, "max_fragment_length := 2^11 (2048 bytes)"},
555     {4, "max_fragment_length := 2^12 (4096 bytes)"}
556 };
557
558 static const ssl_trace_tbl ssl_sigalg_tbl[] = {
559     {TLSEXT_SIGALG_ecdsa_secp256r1_sha256, "ecdsa_secp256r1_sha256"},
560     {TLSEXT_SIGALG_ecdsa_secp384r1_sha384, "ecdsa_secp384r1_sha384"},
561     {TLSEXT_SIGALG_ecdsa_secp521r1_sha512, "ecdsa_secp521r1_sha512"},
562     {TLSEXT_SIGALG_ecdsa_sha224, "ecdsa_sha224"},
563     {TLSEXT_SIGALG_ed25519, "ed25519"},
564     {TLSEXT_SIGALG_ed448, "ed448"},
565     {TLSEXT_SIGALG_ecdsa_sha1, "ecdsa_sha1"},
566     {TLSEXT_SIGALG_rsa_pss_rsae_sha256, "rsa_pss_rsae_sha256"},
567     {TLSEXT_SIGALG_rsa_pss_rsae_sha384, "rsa_pss_rsae_sha384"},
568     {TLSEXT_SIGALG_rsa_pss_rsae_sha512, "rsa_pss_rsae_sha512"},
569     {TLSEXT_SIGALG_rsa_pss_pss_sha256, "rsa_pss_pss_sha256"},
570     {TLSEXT_SIGALG_rsa_pss_pss_sha384, "rsa_pss_pss_sha384"},
571     {TLSEXT_SIGALG_rsa_pss_pss_sha512, "rsa_pss_pss_sha512"},
572     {TLSEXT_SIGALG_rsa_pkcs1_sha256, "rsa_pkcs1_sha256"},
573     {TLSEXT_SIGALG_rsa_pkcs1_sha384, "rsa_pkcs1_sha384"},
574     {TLSEXT_SIGALG_rsa_pkcs1_sha512, "rsa_pkcs1_sha512"},
575     {TLSEXT_SIGALG_rsa_pkcs1_sha224, "rsa_pkcs1_sha224"},
576     {TLSEXT_SIGALG_rsa_pkcs1_sha1, "rsa_pkcs1_sha1"},
577     {TLSEXT_SIGALG_dsa_sha256, "dsa_sha256"},
578     {TLSEXT_SIGALG_dsa_sha384, "dsa_sha384"},
579     {TLSEXT_SIGALG_dsa_sha512, "dsa_sha512"},
580     {TLSEXT_SIGALG_dsa_sha224, "dsa_sha224"},
581     {TLSEXT_SIGALG_dsa_sha1, "dsa_sha1"},
582     {TLSEXT_SIGALG_gostr34102012_256_intrinsic, "gost2012_256"},
583     {TLSEXT_SIGALG_gostr34102012_512_intrinsic, "gost2012_512"},
584     {TLSEXT_SIGALG_gostr34102012_256_gostr34112012_256, "gost2012_256"},
585     {TLSEXT_SIGALG_gostr34102012_512_gostr34112012_512, "gost2012_512"},
586     {TLSEXT_SIGALG_gostr34102001_gostr3411, "gost2001_gost94"},
587 };
588
589 static const ssl_trace_tbl ssl_ctype_tbl[] = {
590     {1, "rsa_sign"},
591     {2, "dss_sign"},
592     {3, "rsa_fixed_dh"},
593     {4, "dss_fixed_dh"},
594     {5, "rsa_ephemeral_dh"},
595     {6, "dss_ephemeral_dh"},
596     {20, "fortezza_dms"},
597     {64, "ecdsa_sign"},
598     {65, "rsa_fixed_ecdh"},
599     {66, "ecdsa_fixed_ecdh"},
600     {67, "gost_sign256"},
601     {68, "gost_sign512"},
602 };
603
604 static const ssl_trace_tbl ssl_psk_kex_modes_tbl[] = {
605     {TLSEXT_KEX_MODE_KE, "psk_ke"},
606     {TLSEXT_KEX_MODE_KE_DHE, "psk_dhe_ke"}
607 };
608
609 static const ssl_trace_tbl ssl_key_update_tbl[] = {
610     {SSL_KEY_UPDATE_NOT_REQUESTED, "update_not_requested"},
611     {SSL_KEY_UPDATE_REQUESTED, "update_requested"}
612 };
613
614 static void ssl_print_hex(BIO *bio, int indent, const char *name,
615                           const unsigned char *msg, size_t msglen)
616 {
617     size_t i;
618
619     BIO_indent(bio, indent, 80);
620     BIO_printf(bio, "%s (len=%d): ", name, (int)msglen);
621     for (i = 0; i < msglen; i++)
622         BIO_printf(bio, "%02X", msg[i]);
623     BIO_puts(bio, "\n");
624 }
625
626 static int ssl_print_hexbuf(BIO *bio, int indent, const char *name, size_t nlen,
627                             const unsigned char **pmsg, size_t *pmsglen)
628 {
629     size_t blen;
630     const unsigned char *p = *pmsg;
631
632     if (*pmsglen < nlen)
633         return 0;
634     blen = p[0];
635     if (nlen > 1)
636         blen = (blen << 8) | p[1];
637     if (*pmsglen < nlen + blen)
638         return 0;
639     p += nlen;
640     ssl_print_hex(bio, indent, name, p, blen);
641     *pmsg += blen + nlen;
642     *pmsglen -= blen + nlen;
643     return 1;
644 }
645
646 static int ssl_print_version(BIO *bio, int indent, const char *name,
647                              const unsigned char **pmsg, size_t *pmsglen,
648                              unsigned int *version)
649 {
650     int vers;
651
652     if (*pmsglen < 2)
653         return 0;
654     vers = ((*pmsg)[0] << 8) | (*pmsg)[1];
655     if (version != NULL)
656         *version = vers;
657     BIO_indent(bio, indent, 80);
658     BIO_printf(bio, "%s=0x%x (%s)\n",
659                name, vers, ssl_trace_str(vers, ssl_version_tbl));
660     *pmsg += 2;
661     *pmsglen -= 2;
662     return 1;
663 }
664
665 static int ssl_print_random(BIO *bio, int indent,
666                             const unsigned char **pmsg, size_t *pmsglen)
667 {
668     unsigned int tm;
669     const unsigned char *p = *pmsg;
670
671     if (*pmsglen < 32)
672         return 0;
673     tm = (p[0] << 24) | (p[1] << 16) | (p[2] << 8) | p[3];
674     p += 4;
675     BIO_indent(bio, indent, 80);
676     BIO_puts(bio, "Random:\n");
677     BIO_indent(bio, indent + 2, 80);
678     BIO_printf(bio, "gmt_unix_time=0x%08X\n", tm);
679     ssl_print_hex(bio, indent + 2, "random_bytes", p, 28);
680     *pmsg += 32;
681     *pmsglen -= 32;
682     return 1;
683 }
684
685 static int ssl_print_signature(BIO *bio, int indent, const SSL *ssl,
686                                const unsigned char **pmsg, size_t *pmsglen)
687 {
688     if (*pmsglen < 2)
689         return 0;
690     if (SSL_USE_SIGALGS(ssl)) {
691         const unsigned char *p = *pmsg;
692         unsigned int sigalg = (p[0] << 8) | p[1];
693
694         BIO_indent(bio, indent, 80);
695         BIO_printf(bio, "Signature Algorithm: %s (0x%04x)\n",
696                    ssl_trace_str(sigalg, ssl_sigalg_tbl), sigalg);
697         *pmsg += 2;
698         *pmsglen -= 2;
699     }
700     return ssl_print_hexbuf(bio, indent, "Signature", 2, pmsg, pmsglen);
701 }
702
703 static int ssl_print_extension(BIO *bio, int indent, int server,
704                                unsigned char mt, int extype,
705                                const unsigned char *ext, size_t extlen)
706 {
707     size_t xlen, share_len;
708     unsigned int sigalg;
709     uint32_t max_early_data;
710
711     BIO_indent(bio, indent, 80);
712     BIO_printf(bio, "extension_type=%s(%d), length=%d\n",
713                ssl_trace_str(extype, ssl_exts_tbl), extype, (int)extlen);
714     switch (extype) {
715     case TLSEXT_TYPE_max_fragment_length:
716         if (extlen < 1)
717             return 0;
718         xlen = extlen;
719         return ssl_trace_list(bio, indent + 2, ext, xlen, 1, ssl_mfl_tbl);
720
721     case TLSEXT_TYPE_ec_point_formats:
722         if (extlen < 1)
723             return 0;
724         xlen = ext[0];
725         if (extlen != xlen + 1)
726             return 0;
727         return ssl_trace_list(bio, indent + 2, ext + 1, xlen, 1, ssl_point_tbl);
728
729     case TLSEXT_TYPE_supported_groups:
730         if (extlen < 2)
731             return 0;
732         xlen = (ext[0] << 8) | ext[1];
733         if (extlen != xlen + 2)
734             return 0;
735         return ssl_trace_list(bio, indent + 2, ext + 2, xlen, 2, ssl_groups_tbl);
736     case TLSEXT_TYPE_application_layer_protocol_negotiation:
737         if (extlen < 2)
738             return 0;
739         xlen = (ext[0] << 8) | ext[1];
740         if (extlen != xlen + 2)
741             return 0;
742         ext += 2;
743         while (xlen > 0) {
744             size_t plen = *ext++;
745
746             if (plen + 1 > xlen)
747                 return 0;
748             BIO_indent(bio, indent + 2, 80);
749             BIO_write(bio, ext, plen);
750             BIO_puts(bio, "\n");
751             ext += plen;
752             xlen -= plen + 1;
753         }
754         return 1;
755
756     case TLSEXT_TYPE_signature_algorithms:
757
758         if (extlen < 2)
759             return 0;
760         xlen = (ext[0] << 8) | ext[1];
761         if (extlen != xlen + 2)
762             return 0;
763         if (xlen & 1)
764             return 0;
765         ext += 2;
766         while (xlen > 0) {
767             BIO_indent(bio, indent + 2, 80);
768             sigalg = (ext[0] << 8) | ext[1];
769             BIO_printf(bio, "%s (0x%04x)\n",
770                        ssl_trace_str(sigalg, ssl_sigalg_tbl), sigalg);
771             xlen -= 2;
772             ext += 2;
773         }
774         break;
775
776     case TLSEXT_TYPE_renegotiate:
777         if (extlen < 1)
778             return 0;
779         xlen = ext[0];
780         if (xlen + 1 != extlen)
781             return 0;
782         ext++;
783         if (xlen) {
784             if (server) {
785                 if (xlen & 1)
786                     return 0;
787                 xlen >>= 1;
788             }
789             ssl_print_hex(bio, indent + 4, "client_verify_data", ext, xlen);
790             if (server) {
791                 ext += xlen;
792                 ssl_print_hex(bio, indent + 4, "server_verify_data", ext, xlen);
793             }
794         } else {
795             BIO_indent(bio, indent + 4, 80);
796             BIO_puts(bio, "<EMPTY>\n");
797         }
798         break;
799
800     case TLSEXT_TYPE_session_ticket:
801         if (extlen != 0)
802             ssl_print_hex(bio, indent + 4, "ticket", ext, extlen);
803         break;
804
805     case TLSEXT_TYPE_key_share:
806         if (server && extlen == 2) {
807             int group_id;
808
809             /* We assume this is an HRR, otherwise this is an invalid key_share */
810             group_id = (ext[0] << 8) | ext[1];
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             break;
815         }
816         if (extlen < 2)
817             return 0;
818         if (server) {
819             xlen = extlen;
820         } else {
821             xlen = (ext[0] << 8) | ext[1];
822             if (extlen != xlen + 2)
823                 return 0;
824             ext += 2;
825         }
826         for (; xlen > 0; ext += share_len, xlen -= share_len) {
827             int group_id;
828
829             if (xlen < 4)
830                 return 0;
831             group_id = (ext[0] << 8) | ext[1];
832             share_len = (ext[2] << 8) | ext[3];
833             ext += 4;
834             xlen -= 4;
835             if (xlen < share_len)
836                 return 0;
837             BIO_indent(bio, indent + 4, 80);
838             BIO_printf(bio, "NamedGroup: %s (%d)\n",
839                        ssl_trace_str(group_id, ssl_groups_tbl), group_id);
840             ssl_print_hex(bio, indent + 4, "key_exchange: ", ext, share_len);
841         }
842         break;
843
844     case TLSEXT_TYPE_supported_versions:
845         if (server) {
846             int version;
847
848             if (extlen != 2)
849                 return 0;
850             version = (ext[0] << 8) | ext[1];
851             BIO_indent(bio, indent + 4, 80);
852             BIO_printf(bio, "%s (%d)\n",
853                        ssl_trace_str(version, ssl_version_tbl), version);
854             break;
855         }
856         if (extlen < 1)
857             return 0;
858         xlen = ext[0];
859         if (extlen != xlen + 1)
860             return 0;
861         return ssl_trace_list(bio, indent + 2, ext + 1, xlen, 2,
862                               ssl_version_tbl);
863
864     case TLSEXT_TYPE_psk_kex_modes:
865         if (extlen < 1)
866             return 0;
867         xlen = ext[0];
868         if (extlen != xlen + 1)
869             return 0;
870         return ssl_trace_list(bio, indent + 2, ext + 1, xlen, 1,
871                               ssl_psk_kex_modes_tbl);
872
873     case TLSEXT_TYPE_early_data:
874         if (mt != SSL3_MT_NEWSESSION_TICKET)
875             break;
876         if (extlen != 4)
877             return 0;
878         max_early_data = (ext[0] << 24) | (ext[1] << 16) | (ext[2] << 8)
879                          | ext[3];
880         BIO_indent(bio, indent + 2, 80);
881         BIO_printf(bio, "max_early_data=%u\n", max_early_data);
882         break;
883
884     default:
885         BIO_dump_indent(bio, (const char *)ext, extlen, indent + 2);
886     }
887     return 1;
888 }
889
890 static int ssl_print_extensions(BIO *bio, int indent, int server,
891                                 unsigned char mt, const unsigned char **msgin,
892                                 size_t *msginlen)
893 {
894     size_t extslen, msglen = *msginlen;
895     const unsigned char *msg = *msgin;
896
897     BIO_indent(bio, indent, 80);
898     if (msglen == 0) {
899         BIO_puts(bio, "No extensions\n");
900         return 1;
901     }
902     if (msglen < 2)
903         return 0;
904     extslen = (msg[0] << 8) | msg[1];
905     msglen -= 2;
906     msg += 2;
907     if (extslen == 0) {
908         BIO_puts(bio, "No extensions\n");
909         *msgin = msg;
910         *msginlen = msglen;
911         return 1;
912     }
913     if (extslen > msglen)
914         return 0;
915     BIO_printf(bio, "extensions, length = %d\n", (int)extslen);
916     msglen -= extslen;
917     while (extslen > 0) {
918         int extype;
919         size_t extlen;
920         if (extslen < 4)
921             return 0;
922         extype = (msg[0] << 8) | msg[1];
923         extlen = (msg[2] << 8) | msg[3];
924         if (extslen < extlen + 4) {
925             BIO_printf(bio, "extensions, extype = %d, extlen = %d\n", extype,
926                        (int)extlen);
927             BIO_dump_indent(bio, (const char *)msg, extslen, indent + 2);
928             return 0;
929         }
930         msg += 4;
931         if (!ssl_print_extension(bio, indent + 2, server, mt, extype, msg,
932                                  extlen))
933             return 0;
934         msg += extlen;
935         extslen -= extlen + 4;
936     }
937
938     *msgin = msg;
939     *msginlen = msglen;
940     return 1;
941 }
942
943 static int ssl_print_client_hello(BIO *bio, const SSL *ssl, int indent,
944                                   const unsigned char *msg, size_t msglen)
945 {
946     size_t len;
947     unsigned int cs;
948
949     if (!ssl_print_version(bio, indent, "client_version", &msg, &msglen, NULL))
950         return 0;
951     if (!ssl_print_random(bio, indent, &msg, &msglen))
952         return 0;
953     if (!ssl_print_hexbuf(bio, indent, "session_id", 1, &msg, &msglen))
954         return 0;
955     if (SSL_IS_DTLS(ssl)) {
956         if (!ssl_print_hexbuf(bio, indent, "cookie", 1, &msg, &msglen))
957             return 0;
958     }
959     if (msglen < 2)
960         return 0;
961     len = (msg[0] << 8) | msg[1];
962     msg += 2;
963     msglen -= 2;
964     BIO_indent(bio, indent, 80);
965     BIO_printf(bio, "cipher_suites (len=%d)\n", (int)len);
966     if (msglen < len || len & 1)
967         return 0;
968     while (len > 0) {
969         cs = (msg[0] << 8) | msg[1];
970         BIO_indent(bio, indent + 2, 80);
971         BIO_printf(bio, "{0x%02X, 0x%02X} %s\n",
972                    msg[0], msg[1], ssl_trace_str(cs, ssl_ciphers_tbl));
973         msg += 2;
974         msglen -= 2;
975         len -= 2;
976     }
977     if (msglen < 1)
978         return 0;
979     len = msg[0];
980     msg++;
981     msglen--;
982     if (msglen < len)
983         return 0;
984     BIO_indent(bio, indent, 80);
985     BIO_printf(bio, "compression_methods (len=%d)\n", (int)len);
986     while (len > 0) {
987         BIO_indent(bio, indent + 2, 80);
988         BIO_printf(bio, "%s (0x%02X)\n",
989                    ssl_trace_str(msg[0], ssl_comp_tbl), msg[0]);
990         msg++;
991         msglen--;
992         len--;
993     }
994     if (!ssl_print_extensions(bio, indent, 0, SSL3_MT_CLIENT_HELLO, &msg,
995                               &msglen))
996         return 0;
997     return 1;
998 }
999
1000 static int dtls_print_hello_vfyrequest(BIO *bio, int indent,
1001                                        const unsigned char *msg, size_t msglen)
1002 {
1003     if (!ssl_print_version(bio, indent, "server_version", &msg, &msglen, NULL))
1004         return 0;
1005     if (!ssl_print_hexbuf(bio, indent, "cookie", 1, &msg, &msglen))
1006         return 0;
1007     return 1;
1008 }
1009
1010 static int ssl_print_server_hello(BIO *bio, int indent,
1011                                   const unsigned char *msg, size_t msglen)
1012 {
1013     unsigned int cs;
1014     unsigned int vers;
1015
1016     if (!ssl_print_version(bio, indent, "server_version", &msg, &msglen, &vers))
1017         return 0;
1018     if (!ssl_print_random(bio, indent, &msg, &msglen))
1019         return 0;
1020     if (vers != TLS1_3_VERSION
1021             && !ssl_print_hexbuf(bio, indent, "session_id", 1, &msg, &msglen))
1022         return 0;
1023     if (msglen < 2)
1024         return 0;
1025     cs = (msg[0] << 8) | msg[1];
1026     BIO_indent(bio, indent, 80);
1027     BIO_printf(bio, "cipher_suite {0x%02X, 0x%02X} %s\n",
1028                msg[0], msg[1], ssl_trace_str(cs, ssl_ciphers_tbl));
1029     msg += 2;
1030     msglen -= 2;
1031     if (vers != TLS1_3_VERSION) {
1032         if (msglen < 1)
1033             return 0;
1034         BIO_indent(bio, indent, 80);
1035         BIO_printf(bio, "compression_method: %s (0x%02X)\n",
1036                    ssl_trace_str(msg[0], ssl_comp_tbl), msg[0]);
1037         msg++;
1038         msglen--;
1039     }
1040     if (!ssl_print_extensions(bio, indent, 1, SSL3_MT_SERVER_HELLO, &msg,
1041                               &msglen))
1042         return 0;
1043     return 1;
1044 }
1045
1046 static int ssl_get_keyex(const char **pname, const SSL *ssl)
1047 {
1048     unsigned long alg_k = ssl->s3.tmp.new_cipher->algorithm_mkey;
1049
1050     if (alg_k & SSL_kRSA) {
1051         *pname = "rsa";
1052         return SSL_kRSA;
1053     }
1054     if (alg_k & SSL_kDHE) {
1055         *pname = "DHE";
1056         return SSL_kDHE;
1057     }
1058     if (alg_k & SSL_kECDHE) {
1059         *pname = "ECDHE";
1060         return SSL_kECDHE;
1061     }
1062     if (alg_k & SSL_kPSK) {
1063         *pname = "PSK";
1064         return SSL_kPSK;
1065     }
1066     if (alg_k & SSL_kRSAPSK) {
1067         *pname = "RSAPSK";
1068         return SSL_kRSAPSK;
1069     }
1070     if (alg_k & SSL_kDHEPSK) {
1071         *pname = "DHEPSK";
1072         return SSL_kDHEPSK;
1073     }
1074     if (alg_k & SSL_kECDHEPSK) {
1075         *pname = "ECDHEPSK";
1076         return SSL_kECDHEPSK;
1077     }
1078     if (alg_k & SSL_kSRP) {
1079         *pname = "SRP";
1080         return SSL_kSRP;
1081     }
1082     if (alg_k & SSL_kGOST) {
1083         *pname = "GOST";
1084         return SSL_kGOST;
1085     }
1086     if (alg_k & SSL_kGOST18) {
1087         *pname = "GOST18";
1088         return SSL_kGOST18;
1089     }
1090     *pname = "UNKNOWN";
1091     return 0;
1092 }
1093
1094 static int ssl_print_client_keyex(BIO *bio, int indent, const SSL *ssl,
1095                                   const unsigned char *msg, size_t msglen)
1096 {
1097     const char *algname;
1098     int id = ssl_get_keyex(&algname, ssl);
1099
1100     BIO_indent(bio, indent, 80);
1101     BIO_printf(bio, "KeyExchangeAlgorithm=%s\n", algname);
1102     if (id & SSL_PSK) {
1103         if (!ssl_print_hexbuf(bio, indent + 2,
1104                               "psk_identity", 2, &msg, &msglen))
1105             return 0;
1106     }
1107     switch (id) {
1108
1109     case SSL_kRSA:
1110     case SSL_kRSAPSK:
1111         if (TLS1_get_version(ssl) == SSL3_VERSION) {
1112             ssl_print_hex(bio, indent + 2,
1113                           "EncryptedPreMasterSecret", msg, msglen);
1114         } else {
1115             if (!ssl_print_hexbuf(bio, indent + 2,
1116                                   "EncryptedPreMasterSecret", 2, &msg, &msglen))
1117                 return 0;
1118         }
1119         break;
1120
1121     case SSL_kDHE:
1122     case SSL_kDHEPSK:
1123         if (!ssl_print_hexbuf(bio, indent + 2, "dh_Yc", 2, &msg, &msglen))
1124             return 0;
1125         break;
1126
1127     case SSL_kECDHE:
1128     case SSL_kECDHEPSK:
1129         if (!ssl_print_hexbuf(bio, indent + 2, "ecdh_Yc", 1, &msg, &msglen))
1130             return 0;
1131         break;
1132     case SSL_kGOST:
1133         ssl_print_hex(bio, indent + 2, "GostKeyTransportBlob", msg, msglen);
1134         msglen = 0;
1135         break;
1136     case SSL_kGOST18:
1137         ssl_print_hex(bio, indent + 2,
1138                       "GOST-wrapped PreMasterSecret", msg, msglen);
1139         msglen = 0;
1140         break;
1141     }
1142
1143     return !msglen;
1144 }
1145
1146 static int ssl_print_server_keyex(BIO *bio, int indent, const SSL *ssl,
1147                                   const unsigned char *msg, size_t msglen)
1148 {
1149     const char *algname;
1150     int id = ssl_get_keyex(&algname, ssl);
1151
1152     BIO_indent(bio, indent, 80);
1153     BIO_printf(bio, "KeyExchangeAlgorithm=%s\n", algname);
1154     if (id & SSL_PSK) {
1155         if (!ssl_print_hexbuf(bio, indent + 2,
1156                               "psk_identity_hint", 2, &msg, &msglen))
1157             return 0;
1158     }
1159     switch (id) {
1160     case SSL_kRSA:
1161
1162         if (!ssl_print_hexbuf(bio, indent + 2, "rsa_modulus", 2, &msg, &msglen))
1163             return 0;
1164         if (!ssl_print_hexbuf(bio, indent + 2, "rsa_exponent", 2,
1165                               &msg, &msglen))
1166             return 0;
1167         break;
1168
1169     case SSL_kDHE:
1170     case SSL_kDHEPSK:
1171         if (!ssl_print_hexbuf(bio, indent + 2, "dh_p", 2, &msg, &msglen))
1172             return 0;
1173         if (!ssl_print_hexbuf(bio, indent + 2, "dh_g", 2, &msg, &msglen))
1174             return 0;
1175         if (!ssl_print_hexbuf(bio, indent + 2, "dh_Ys", 2, &msg, &msglen))
1176             return 0;
1177         break;
1178
1179 # ifndef OPENSSL_NO_EC
1180     case SSL_kECDHE:
1181     case SSL_kECDHEPSK:
1182         if (msglen < 1)
1183             return 0;
1184         BIO_indent(bio, indent + 2, 80);
1185         if (msg[0] == EXPLICIT_PRIME_CURVE_TYPE)
1186             BIO_puts(bio, "explicit_prime\n");
1187         else if (msg[0] == EXPLICIT_CHAR2_CURVE_TYPE)
1188             BIO_puts(bio, "explicit_char2\n");
1189         else if (msg[0] == NAMED_CURVE_TYPE) {
1190             int curve;
1191             if (msglen < 3)
1192                 return 0;
1193             curve = (msg[1] << 8) | msg[2];
1194             BIO_printf(bio, "named_curve: %s (%d)\n",
1195                        ssl_trace_str(curve, ssl_groups_tbl), curve);
1196             msg += 3;
1197             msglen -= 3;
1198             if (!ssl_print_hexbuf(bio, indent + 2, "point", 1, &msg, &msglen))
1199                 return 0;
1200         } else {
1201             BIO_printf(bio, "UNKNOWN CURVE PARAMETER TYPE %d\n", msg[0]);
1202             return 0;
1203         }
1204         break;
1205 # endif
1206
1207     case SSL_kPSK:
1208     case SSL_kRSAPSK:
1209         break;
1210     }
1211     if (!(id & SSL_PSK))
1212         ssl_print_signature(bio, indent, ssl, &msg, &msglen);
1213     return !msglen;
1214 }
1215
1216 static int ssl_print_certificate(BIO *bio, int indent,
1217                                  const unsigned char **pmsg, size_t *pmsglen)
1218 {
1219     size_t msglen = *pmsglen;
1220     size_t clen;
1221     X509 *x;
1222     const unsigned char *p = *pmsg, *q;
1223
1224     if (msglen < 3)
1225         return 0;
1226     clen = (p[0] << 16) | (p[1] << 8) | p[2];
1227     if (msglen < clen + 3)
1228         return 0;
1229     q = p + 3;
1230     BIO_indent(bio, indent, 80);
1231     BIO_printf(bio, "ASN.1Cert, length=%d", (int)clen);
1232     x = d2i_X509(NULL, &q, clen);
1233     if (!x)
1234         BIO_puts(bio, "<UNPARSEABLE CERTIFICATE>\n");
1235     else {
1236         BIO_puts(bio, "\n------details-----\n");
1237         X509_print_ex(bio, x, XN_FLAG_ONELINE, 0);
1238         PEM_write_bio_X509(bio, x);
1239         /* Print certificate stuff */
1240         BIO_puts(bio, "------------------\n");
1241         X509_free(x);
1242     }
1243     if (q != p + 3 + clen) {
1244         BIO_puts(bio, "<TRAILING GARBAGE AFTER CERTIFICATE>\n");
1245     }
1246     *pmsg += clen + 3;
1247     *pmsglen -= clen + 3;
1248     return 1;
1249 }
1250
1251 static int ssl_print_certificates(BIO *bio, const SSL *ssl, int server,
1252                                   int indent, const unsigned char *msg,
1253                                   size_t msglen)
1254 {
1255     size_t clen;
1256
1257     if (SSL_IS_TLS13(ssl)
1258             && !ssl_print_hexbuf(bio, indent, "context", 1, &msg, &msglen))
1259         return 0;
1260
1261     if (msglen < 3)
1262         return 0;
1263     clen = (msg[0] << 16) | (msg[1] << 8) | msg[2];
1264     if (msglen != clen + 3)
1265         return 0;
1266     msg += 3;
1267     BIO_indent(bio, indent, 80);
1268     BIO_printf(bio, "certificate_list, length=%d\n", (int)clen);
1269     while (clen > 0) {
1270         if (!ssl_print_certificate(bio, indent + 2, &msg, &clen))
1271             return 0;
1272         if (SSL_IS_TLS13(ssl)
1273             && !ssl_print_extensions(bio, indent + 2, server,
1274                                      SSL3_MT_CERTIFICATE, &msg, &clen))
1275             return 0;
1276
1277     }
1278     return 1;
1279 }
1280
1281 static int ssl_print_cert_request(BIO *bio, int indent, const SSL *ssl,
1282                                   const unsigned char *msg, size_t msglen)
1283 {
1284     size_t xlen;
1285     unsigned int sigalg;
1286
1287     if (SSL_IS_TLS13(ssl)) {
1288         if (!ssl_print_hexbuf(bio, indent, "request_context", 1, &msg, &msglen))
1289             return 0;
1290         if (!ssl_print_extensions(bio, indent, 1,
1291                                   SSL3_MT_CERTIFICATE_REQUEST, &msg, &msglen))
1292             return 0;
1293         return 1;
1294     } else {
1295         if (msglen < 1)
1296             return 0;
1297         xlen = msg[0];
1298         if (msglen < xlen + 1)
1299             return 0;
1300         msg++;
1301         BIO_indent(bio, indent, 80);
1302         BIO_printf(bio, "certificate_types (len=%d)\n", (int)xlen);
1303         if (!ssl_trace_list(bio, indent + 2, msg, xlen, 1, ssl_ctype_tbl))
1304             return 0;
1305         msg += xlen;
1306         msglen -= xlen + 1;
1307     }
1308     if (SSL_USE_SIGALGS(ssl)) {
1309         if (msglen < 2)
1310             return 0;
1311         xlen = (msg[0] << 8) | msg[1];
1312         if (msglen < xlen + 2 || (xlen & 1))
1313             return 0;
1314         msg += 2;
1315         msglen -= xlen + 2;
1316         BIO_indent(bio, indent, 80);
1317         BIO_printf(bio, "signature_algorithms (len=%d)\n", (int)xlen);
1318         while (xlen > 0) {
1319             BIO_indent(bio, indent + 2, 80);
1320             sigalg = (msg[0] << 8) | msg[1];
1321             BIO_printf(bio, "%s (0x%04x)\n",
1322                        ssl_trace_str(sigalg, ssl_sigalg_tbl), sigalg);
1323             xlen -= 2;
1324             msg += 2;
1325         }
1326         msg += xlen;
1327     }
1328
1329     if (msglen < 2)
1330         return 0;
1331     xlen = (msg[0] << 8) | msg[1];
1332     BIO_indent(bio, indent, 80);
1333     if (msglen < xlen + 2)
1334         return 0;
1335     msg += 2;
1336     msglen -= 2 + xlen;
1337     BIO_printf(bio, "certificate_authorities (len=%d)\n", (int)xlen);
1338     while (xlen > 0) {
1339         size_t dlen;
1340         X509_NAME *nm;
1341         const unsigned char *p;
1342         if (xlen < 2)
1343             return 0;
1344         dlen = (msg[0] << 8) | msg[1];
1345         if (xlen < dlen + 2)
1346             return 0;
1347         msg += 2;
1348         BIO_indent(bio, indent + 2, 80);
1349         BIO_printf(bio, "DistinguishedName (len=%d): ", (int)dlen);
1350         p = msg;
1351         nm = d2i_X509_NAME(NULL, &p, dlen);
1352         if (!nm) {
1353             BIO_puts(bio, "<UNPARSEABLE DN>\n");
1354         } else {
1355             X509_NAME_print_ex(bio, nm, 0, XN_FLAG_ONELINE);
1356             BIO_puts(bio, "\n");
1357             X509_NAME_free(nm);
1358         }
1359         xlen -= dlen + 2;
1360         msg += dlen;
1361     }
1362     if (SSL_IS_TLS13(ssl)) {
1363         if (!ssl_print_hexbuf(bio, indent, "request_extensions", 2,
1364                               &msg, &msglen))
1365             return 0;
1366     }
1367     return msglen == 0;
1368 }
1369
1370 static int ssl_print_ticket(BIO *bio, int indent, const SSL *ssl,
1371                             const unsigned char *msg, size_t msglen)
1372 {
1373     unsigned int tick_life;
1374
1375     if (msglen == 0) {
1376         BIO_indent(bio, indent + 2, 80);
1377         BIO_puts(bio, "No Ticket\n");
1378         return 1;
1379     }
1380     if (msglen < 4)
1381         return 0;
1382     tick_life = (msg[0] << 24) | (msg[1] << 16) | (msg[2] << 8) | msg[3];
1383     msglen -= 4;
1384     msg += 4;
1385     BIO_indent(bio, indent + 2, 80);
1386     BIO_printf(bio, "ticket_lifetime_hint=%u\n", tick_life);
1387     if (SSL_IS_TLS13(ssl)) {
1388         unsigned int ticket_age_add;
1389
1390         if (msglen < 4)
1391             return 0;
1392         ticket_age_add =
1393             (msg[0] << 24) | (msg[1] << 16) | (msg[2] << 8) | msg[3];
1394         msglen -= 4;
1395         msg += 4;
1396         BIO_indent(bio, indent + 2, 80);
1397         BIO_printf(bio, "ticket_age_add=%u\n", ticket_age_add);
1398         if (!ssl_print_hexbuf(bio, indent + 2, "ticket_nonce", 1, &msg,
1399                               &msglen))
1400             return 0;
1401     }
1402     if (!ssl_print_hexbuf(bio, indent + 2, "ticket", 2, &msg, &msglen))
1403         return 0;
1404     if (SSL_IS_TLS13(ssl)
1405             && !ssl_print_extensions(bio, indent + 2, 0,
1406                                      SSL3_MT_NEWSESSION_TICKET, &msg, &msglen))
1407         return 0;
1408     if (msglen)
1409         return 0;
1410     return 1;
1411 }
1412
1413 static int ssl_print_handshake(BIO *bio, const SSL *ssl, int server,
1414                                const unsigned char *msg, size_t msglen,
1415                                int indent)
1416 {
1417     size_t hlen;
1418     unsigned char htype;
1419
1420     if (msglen < 4)
1421         return 0;
1422     htype = msg[0];
1423     hlen = (msg[1] << 16) | (msg[2] << 8) | msg[3];
1424     BIO_indent(bio, indent, 80);
1425     BIO_printf(bio, "%s, Length=%d\n",
1426                ssl_trace_str(htype, ssl_handshake_tbl), (int)hlen);
1427     msg += 4;
1428     msglen -= 4;
1429     if (SSL_IS_DTLS(ssl)) {
1430         if (msglen < 8)
1431             return 0;
1432         BIO_indent(bio, indent, 80);
1433         BIO_printf(bio, "message_seq=%d, fragment_offset=%d, "
1434                    "fragment_length=%d\n",
1435                    (msg[0] << 8) | msg[1],
1436                    (msg[2] << 16) | (msg[3] << 8) | msg[4],
1437                    (msg[5] << 16) | (msg[6] << 8) | msg[7]);
1438         msg += 8;
1439         msglen -= 8;
1440     }
1441     if (msglen < hlen)
1442         return 0;
1443     switch (htype) {
1444     case SSL3_MT_CLIENT_HELLO:
1445         if (!ssl_print_client_hello(bio, ssl, indent + 2, msg, msglen))
1446             return 0;
1447         break;
1448
1449     case DTLS1_MT_HELLO_VERIFY_REQUEST:
1450         if (!dtls_print_hello_vfyrequest(bio, indent + 2, msg, msglen))
1451             return 0;
1452         break;
1453
1454     case SSL3_MT_SERVER_HELLO:
1455         if (!ssl_print_server_hello(bio, indent + 2, msg, msglen))
1456             return 0;
1457         break;
1458
1459     case SSL3_MT_SERVER_KEY_EXCHANGE:
1460         if (!ssl_print_server_keyex(bio, indent + 2, ssl, msg, msglen))
1461             return 0;
1462         break;
1463
1464     case SSL3_MT_CLIENT_KEY_EXCHANGE:
1465         if (!ssl_print_client_keyex(bio, indent + 2, ssl, msg, msglen))
1466             return 0;
1467         break;
1468
1469     case SSL3_MT_CERTIFICATE:
1470         if (!ssl_print_certificates(bio, ssl, server, indent + 2, msg, msglen))
1471             return 0;
1472         break;
1473
1474     case SSL3_MT_CERTIFICATE_VERIFY:
1475         if (!ssl_print_signature(bio, indent + 2, ssl, &msg, &msglen))
1476             return 0;
1477         break;
1478
1479     case SSL3_MT_CERTIFICATE_REQUEST:
1480         if (!ssl_print_cert_request(bio, indent + 2, ssl, msg, msglen))
1481             return 0;
1482         break;
1483
1484     case SSL3_MT_FINISHED:
1485         ssl_print_hex(bio, indent + 2, "verify_data", msg, msglen);
1486         break;
1487
1488     case SSL3_MT_SERVER_DONE:
1489         if (msglen != 0)
1490             ssl_print_hex(bio, indent + 2, "unexpected value", msg, msglen);
1491         break;
1492
1493     case SSL3_MT_NEWSESSION_TICKET:
1494         if (!ssl_print_ticket(bio, indent + 2, ssl, msg, msglen))
1495             return 0;
1496         break;
1497
1498     case SSL3_MT_ENCRYPTED_EXTENSIONS:
1499         if (!ssl_print_extensions(bio, indent + 2, 1,
1500                                   SSL3_MT_ENCRYPTED_EXTENSIONS, &msg, &msglen))
1501             return 0;
1502         break;
1503
1504     case SSL3_MT_KEY_UPDATE:
1505         if (msglen != 1) {
1506             ssl_print_hex(bio, indent + 2, "unexpected value", msg, msglen);
1507             return 0;
1508         }
1509         if (!ssl_trace_list(bio, indent + 2, msg, msglen, 1,
1510                             ssl_key_update_tbl))
1511             return 0;
1512         break;
1513
1514     default:
1515         BIO_indent(bio, indent + 2, 80);
1516         BIO_puts(bio, "Unsupported, hex dump follows:\n");
1517         BIO_dump_indent(bio, (const char *)msg, msglen, indent + 4);
1518     }
1519     return 1;
1520 }
1521
1522 void SSL_trace(int write_p, int version, int content_type,
1523                const void *buf, size_t msglen, SSL *ssl, void *arg)
1524 {
1525     const unsigned char *msg = buf;
1526     BIO *bio = arg;
1527
1528     switch (content_type) {
1529     case SSL3_RT_HEADER:
1530         {
1531             int hvers;
1532
1533             /* avoid overlapping with length at the end of buffer */
1534             if (msglen < (size_t)(SSL_IS_DTLS(ssl) ?
1535                      DTLS1_RT_HEADER_LENGTH : SSL3_RT_HEADER_LENGTH)) {
1536                 BIO_puts(bio, write_p ? "Sent" : "Received");
1537                 ssl_print_hex(bio, 0, " too short message", msg, msglen);
1538                 break;
1539             }
1540             hvers = msg[1] << 8 | msg[2];
1541             BIO_puts(bio, write_p ? "Sent" : "Received");
1542             BIO_printf(bio, " Record\nHeader:\n  Version = %s (0x%x)\n",
1543                        ssl_trace_str(hvers, ssl_version_tbl), hvers);
1544             if (SSL_IS_DTLS(ssl)) {
1545                 BIO_printf(bio,
1546                            "  epoch=%d, sequence_number=%04x%04x%04x\n",
1547                            (msg[3] << 8 | msg[4]),
1548                            (msg[5] << 8 | msg[6]),
1549                            (msg[7] << 8 | msg[8]), (msg[9] << 8 | msg[10]));
1550             }
1551
1552             BIO_printf(bio, "  Content Type = %s (%d)\n  Length = %d",
1553                        ssl_trace_str(msg[0], ssl_content_tbl), msg[0],
1554                        msg[msglen - 2] << 8 | msg[msglen - 1]);
1555         }
1556         break;
1557
1558     case SSL3_RT_INNER_CONTENT_TYPE:
1559         BIO_printf(bio, "  Inner Content Type = %s (%d)",
1560                    ssl_trace_str(msg[0], ssl_content_tbl), msg[0]);
1561         break;
1562
1563     case SSL3_RT_HANDSHAKE:
1564         if (!ssl_print_handshake(bio, ssl, ssl->server ? write_p : !write_p,
1565                                  msg, msglen, 4))
1566             BIO_printf(bio, "Message length parse error!\n");
1567         break;
1568
1569     case SSL3_RT_CHANGE_CIPHER_SPEC:
1570         if (msglen == 1 && msg[0] == 1)
1571             BIO_puts(bio, "    change_cipher_spec (1)\n");
1572         else
1573             ssl_print_hex(bio, 4, "unknown value", msg, msglen);
1574         break;
1575
1576     case SSL3_RT_ALERT:
1577         if (msglen != 2)
1578             BIO_puts(bio, "    Illegal Alert Length\n");
1579         else {
1580             BIO_printf(bio, "    Level=%s(%d), description=%s(%d)\n",
1581                        SSL_alert_type_string_long(msg[0] << 8),
1582                        msg[0], SSL_alert_desc_string_long(msg[1]), msg[1]);
1583         }
1584
1585     }
1586
1587     BIO_puts(bio, "\n");
1588 }
1589
1590 #endif