TLSEXT_SIGALG_gostr34102012 0x0840 and 0x0841 support
[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 };
448
449 /* Compression methods */
450 static const ssl_trace_tbl ssl_comp_tbl[] = {
451     {0x0000, "No Compression"},
452     {0x0001, "Zlib Compression"}
453 };
454
455 /* Extensions sorted by ascending id */
456 static const ssl_trace_tbl ssl_exts_tbl[] = {
457     {TLSEXT_TYPE_server_name, "server_name"},
458     {TLSEXT_TYPE_max_fragment_length, "max_fragment_length"},
459     {TLSEXT_TYPE_client_certificate_url, "client_certificate_url"},
460     {TLSEXT_TYPE_trusted_ca_keys, "trusted_ca_keys"},
461     {TLSEXT_TYPE_truncated_hmac, "truncated_hmac"},
462     {TLSEXT_TYPE_status_request, "status_request"},
463     {TLSEXT_TYPE_user_mapping, "user_mapping"},
464     {TLSEXT_TYPE_client_authz, "client_authz"},
465     {TLSEXT_TYPE_server_authz, "server_authz"},
466     {TLSEXT_TYPE_cert_type, "cert_type"},
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_application_layer_protocol_negotiation,
473      "application_layer_protocol_negotiation"},
474     {TLSEXT_TYPE_signed_certificate_timestamp, "signed_certificate_timestamps"},
475     {TLSEXT_TYPE_padding, "padding"},
476     {TLSEXT_TYPE_encrypt_then_mac, "encrypt_then_mac"},
477     {TLSEXT_TYPE_extended_master_secret, "extended_master_secret"},
478     {TLSEXT_TYPE_session_ticket, "session_ticket"},
479     {TLSEXT_TYPE_psk, "psk"},
480     {TLSEXT_TYPE_early_data, "early_data"},
481     {TLSEXT_TYPE_supported_versions, "supported_versions"},
482     {TLSEXT_TYPE_cookie, "cookie_ext"},
483     {TLSEXT_TYPE_psk_kex_modes, "psk_key_exchange_modes"},
484     {TLSEXT_TYPE_certificate_authorities, "certificate_authorities"},
485     {TLSEXT_TYPE_post_handshake_auth, "post_handshake_auth"},
486     {TLSEXT_TYPE_signature_algorithms_cert, "signature_algorithms_cert"},
487     {TLSEXT_TYPE_key_share, "key_share"},
488     {TLSEXT_TYPE_renegotiate, "renegotiate"},
489 # ifndef OPENSSL_NO_NEXTPROTONEG
490     {TLSEXT_TYPE_next_proto_neg, "next_proto_neg"},
491 # endif
492 };
493
494 static const ssl_trace_tbl ssl_groups_tbl[] = {
495     {1, "sect163k1 (K-163)"},
496     {2, "sect163r1"},
497     {3, "sect163r2 (B-163)"},
498     {4, "sect193r1"},
499     {5, "sect193r2"},
500     {6, "sect233k1 (K-233)"},
501     {7, "sect233r1 (B-233)"},
502     {8, "sect239k1"},
503     {9, "sect283k1 (K-283)"},
504     {10, "sect283r1 (B-283)"},
505     {11, "sect409k1 (K-409)"},
506     {12, "sect409r1 (B-409)"},
507     {13, "sect571k1 (K-571)"},
508     {14, "sect571r1 (B-571)"},
509     {15, "secp160k1"},
510     {16, "secp160r1"},
511     {17, "secp160r2"},
512     {18, "secp192k1"},
513     {19, "secp192r1 (P-192)"},
514     {20, "secp224k1"},
515     {21, "secp224r1 (P-224)"},
516     {22, "secp256k1"},
517     {23, "secp256r1 (P-256)"},
518     {24, "secp384r1 (P-384)"},
519     {25, "secp521r1 (P-521)"},
520     {26, "brainpoolP256r1"},
521     {27, "brainpoolP384r1"},
522     {28, "brainpoolP512r1"},
523     {29, "ecdh_x25519"},
524     {30, "ecdh_x448"},
525     {256, "ffdhe2048"},
526     {257, "ffdhe3072"},
527     {258, "ffdhe4096"},
528     {259, "ffdhe6144"},
529     {260, "ffdhe8192"},
530     {0xFF01, "arbitrary_explicit_prime_curves"},
531     {0xFF02, "arbitrary_explicit_char2_curves"}
532 };
533
534 static const ssl_trace_tbl ssl_point_tbl[] = {
535     {0, "uncompressed"},
536     {1, "ansiX962_compressed_prime"},
537     {2, "ansiX962_compressed_char2"}
538 };
539
540 static const ssl_trace_tbl ssl_mfl_tbl[] = {
541     {0, "disabled"},
542     {1, "max_fragment_length := 2^9 (512 bytes)"},
543     {2, "max_fragment_length := 2^10 (1024 bytes)"},
544     {3, "max_fragment_length := 2^11 (2048 bytes)"},
545     {4, "max_fragment_length := 2^12 (4096 bytes)"}
546 };
547
548 static const ssl_trace_tbl ssl_sigalg_tbl[] = {
549     {TLSEXT_SIGALG_ecdsa_secp256r1_sha256, "ecdsa_secp256r1_sha256"},
550     {TLSEXT_SIGALG_ecdsa_secp384r1_sha384, "ecdsa_secp384r1_sha384"},
551     {TLSEXT_SIGALG_ecdsa_secp521r1_sha512, "ecdsa_secp521r1_sha512"},
552     {TLSEXT_SIGALG_ecdsa_sha224, "ecdsa_sha224"},
553     {TLSEXT_SIGALG_ed25519, "ed25519"},
554     {TLSEXT_SIGALG_ed448, "ed448"},
555     {TLSEXT_SIGALG_ecdsa_sha1, "ecdsa_sha1"},
556     {TLSEXT_SIGALG_rsa_pss_rsae_sha256, "rsa_pss_rsae_sha256"},
557     {TLSEXT_SIGALG_rsa_pss_rsae_sha384, "rsa_pss_rsae_sha384"},
558     {TLSEXT_SIGALG_rsa_pss_rsae_sha512, "rsa_pss_rsae_sha512"},
559     {TLSEXT_SIGALG_rsa_pss_pss_sha256, "rsa_pss_pss_sha256"},
560     {TLSEXT_SIGALG_rsa_pss_pss_sha384, "rsa_pss_pss_sha384"},
561     {TLSEXT_SIGALG_rsa_pss_pss_sha512, "rsa_pss_pss_sha512"},
562     {TLSEXT_SIGALG_rsa_pkcs1_sha256, "rsa_pkcs1_sha256"},
563     {TLSEXT_SIGALG_rsa_pkcs1_sha384, "rsa_pkcs1_sha384"},
564     {TLSEXT_SIGALG_rsa_pkcs1_sha512, "rsa_pkcs1_sha512"},
565     {TLSEXT_SIGALG_rsa_pkcs1_sha224, "rsa_pkcs1_sha224"},
566     {TLSEXT_SIGALG_rsa_pkcs1_sha1, "rsa_pkcs1_sha1"},
567     {TLSEXT_SIGALG_dsa_sha256, "dsa_sha256"},
568     {TLSEXT_SIGALG_dsa_sha384, "dsa_sha384"},
569     {TLSEXT_SIGALG_dsa_sha512, "dsa_sha512"},
570     {TLSEXT_SIGALG_dsa_sha224, "dsa_sha224"},
571     {TLSEXT_SIGALG_dsa_sha1, "dsa_sha1"},
572     {TLSEXT_SIGALG_gostr34102012_256_intrinsic, "gost2012_256"},
573     {TLSEXT_SIGALG_gostr34102012_512_intrinsic, "gost2012_512"},
574     {TLSEXT_SIGALG_gostr34102012_256_gostr34112012_256, "gost2012_256"},
575     {TLSEXT_SIGALG_gostr34102012_512_gostr34112012_512, "gost2012_512"},
576     {TLSEXT_SIGALG_gostr34102001_gostr3411, "gost2001_gost94"},
577 };
578
579 static const ssl_trace_tbl ssl_ctype_tbl[] = {
580     {1, "rsa_sign"},
581     {2, "dss_sign"},
582     {3, "rsa_fixed_dh"},
583     {4, "dss_fixed_dh"},
584     {5, "rsa_ephemeral_dh"},
585     {6, "dss_ephemeral_dh"},
586     {20, "fortezza_dms"},
587     {64, "ecdsa_sign"},
588     {65, "rsa_fixed_ecdh"},
589     {66, "ecdsa_fixed_ecdh"}
590 };
591
592 static const ssl_trace_tbl ssl_psk_kex_modes_tbl[] = {
593     {TLSEXT_KEX_MODE_KE, "psk_ke"},
594     {TLSEXT_KEX_MODE_KE_DHE, "psk_dhe_ke"}
595 };
596
597 static const ssl_trace_tbl ssl_key_update_tbl[] = {
598     {SSL_KEY_UPDATE_NOT_REQUESTED, "update_not_requested"},
599     {SSL_KEY_UPDATE_REQUESTED, "update_requested"}
600 };
601
602 static void ssl_print_hex(BIO *bio, int indent, const char *name,
603                           const unsigned char *msg, size_t msglen)
604 {
605     size_t i;
606
607     BIO_indent(bio, indent, 80);
608     BIO_printf(bio, "%s (len=%d): ", name, (int)msglen);
609     for (i = 0; i < msglen; i++)
610         BIO_printf(bio, "%02X", msg[i]);
611     BIO_puts(bio, "\n");
612 }
613
614 static int ssl_print_hexbuf(BIO *bio, int indent, const char *name, size_t nlen,
615                             const unsigned char **pmsg, size_t *pmsglen)
616 {
617     size_t blen;
618     const unsigned char *p = *pmsg;
619
620     if (*pmsglen < nlen)
621         return 0;
622     blen = p[0];
623     if (nlen > 1)
624         blen = (blen << 8) | p[1];
625     if (*pmsglen < nlen + blen)
626         return 0;
627     p += nlen;
628     ssl_print_hex(bio, indent, name, p, blen);
629     *pmsg += blen + nlen;
630     *pmsglen -= blen + nlen;
631     return 1;
632 }
633
634 static int ssl_print_version(BIO *bio, int indent, const char *name,
635                              const unsigned char **pmsg, size_t *pmsglen,
636                              unsigned int *version)
637 {
638     int vers;
639
640     if (*pmsglen < 2)
641         return 0;
642     vers = ((*pmsg)[0] << 8) | (*pmsg)[1];
643     if (version != NULL)
644         *version = vers;
645     BIO_indent(bio, indent, 80);
646     BIO_printf(bio, "%s=0x%x (%s)\n",
647                name, vers, ssl_trace_str(vers, ssl_version_tbl));
648     *pmsg += 2;
649     *pmsglen -= 2;
650     return 1;
651 }
652
653 static int ssl_print_random(BIO *bio, int indent,
654                             const unsigned char **pmsg, size_t *pmsglen)
655 {
656     unsigned int tm;
657     const unsigned char *p = *pmsg;
658
659     if (*pmsglen < 32)
660         return 0;
661     tm = (p[0] << 24) | (p[1] << 16) | (p[2] << 8) | p[3];
662     p += 4;
663     BIO_indent(bio, indent, 80);
664     BIO_puts(bio, "Random:\n");
665     BIO_indent(bio, indent + 2, 80);
666     BIO_printf(bio, "gmt_unix_time=0x%08X\n", tm);
667     ssl_print_hex(bio, indent + 2, "random_bytes", p, 28);
668     *pmsg += 32;
669     *pmsglen -= 32;
670     return 1;
671 }
672
673 static int ssl_print_signature(BIO *bio, int indent, const SSL *ssl,
674                                const unsigned char **pmsg, size_t *pmsglen)
675 {
676     if (*pmsglen < 2)
677         return 0;
678     if (SSL_USE_SIGALGS(ssl)) {
679         const unsigned char *p = *pmsg;
680         unsigned int sigalg = (p[0] << 8) | p[1];
681
682         BIO_indent(bio, indent, 80);
683         BIO_printf(bio, "Signature Algorithm: %s (0x%04x)\n",
684                    ssl_trace_str(sigalg, ssl_sigalg_tbl), sigalg);
685         *pmsg += 2;
686         *pmsglen -= 2;
687     }
688     return ssl_print_hexbuf(bio, indent, "Signature", 2, pmsg, pmsglen);
689 }
690
691 static int ssl_print_extension(BIO *bio, int indent, int server,
692                                unsigned char mt, int extype,
693                                const unsigned char *ext, size_t extlen)
694 {
695     size_t xlen, share_len;
696     unsigned int sigalg;
697     uint32_t max_early_data;
698
699     BIO_indent(bio, indent, 80);
700     BIO_printf(bio, "extension_type=%s(%d), length=%d\n",
701                ssl_trace_str(extype, ssl_exts_tbl), extype, (int)extlen);
702     switch (extype) {
703     case TLSEXT_TYPE_max_fragment_length:
704         if (extlen < 1)
705             return 0;
706         xlen = extlen;
707         return ssl_trace_list(bio, indent + 2, ext, xlen, 1, ssl_mfl_tbl);
708
709     case TLSEXT_TYPE_ec_point_formats:
710         if (extlen < 1)
711             return 0;
712         xlen = ext[0];
713         if (extlen != xlen + 1)
714             return 0;
715         return ssl_trace_list(bio, indent + 2, ext + 1, xlen, 1, ssl_point_tbl);
716
717     case TLSEXT_TYPE_supported_groups:
718         if (extlen < 2)
719             return 0;
720         xlen = (ext[0] << 8) | ext[1];
721         if (extlen != xlen + 2)
722             return 0;
723         return ssl_trace_list(bio, indent + 2, ext + 2, xlen, 2, ssl_groups_tbl);
724     case TLSEXT_TYPE_application_layer_protocol_negotiation:
725         if (extlen < 2)
726             return 0;
727         xlen = (ext[0] << 8) | ext[1];
728         if (extlen != xlen + 2)
729             return 0;
730         ext += 2;
731         while (xlen > 0) {
732             size_t plen = *ext++;
733
734             if (plen + 1 > xlen)
735                 return 0;
736             BIO_indent(bio, indent + 2, 80);
737             BIO_write(bio, ext, plen);
738             BIO_puts(bio, "\n");
739             ext += plen;
740             xlen -= plen + 1;
741         }
742         return 1;
743
744     case TLSEXT_TYPE_signature_algorithms:
745
746         if (extlen < 2)
747             return 0;
748         xlen = (ext[0] << 8) | ext[1];
749         if (extlen != xlen + 2)
750             return 0;
751         if (xlen & 1)
752             return 0;
753         ext += 2;
754         while (xlen > 0) {
755             BIO_indent(bio, indent + 2, 80);
756             sigalg = (ext[0] << 8) | ext[1];
757             BIO_printf(bio, "%s (0x%04x)\n",
758                        ssl_trace_str(sigalg, ssl_sigalg_tbl), sigalg);
759             xlen -= 2;
760             ext += 2;
761         }
762         break;
763
764     case TLSEXT_TYPE_renegotiate:
765         if (extlen < 1)
766             return 0;
767         xlen = ext[0];
768         if (xlen + 1 != extlen)
769             return 0;
770         ext++;
771         if (xlen) {
772             if (server) {
773                 if (xlen & 1)
774                     return 0;
775                 xlen >>= 1;
776             }
777             ssl_print_hex(bio, indent + 4, "client_verify_data", ext, xlen);
778             if (server) {
779                 ext += xlen;
780                 ssl_print_hex(bio, indent + 4, "server_verify_data", ext, xlen);
781             }
782         } else {
783             BIO_indent(bio, indent + 4, 80);
784             BIO_puts(bio, "<EMPTY>\n");
785         }
786         break;
787
788     case TLSEXT_TYPE_session_ticket:
789         if (extlen != 0)
790             ssl_print_hex(bio, indent + 4, "ticket", ext, extlen);
791         break;
792
793     case TLSEXT_TYPE_key_share:
794         if (server && extlen == 2) {
795             int group_id;
796
797             /* We assume this is an HRR, otherwise this is an invalid key_share */
798             group_id = (ext[0] << 8) | ext[1];
799             BIO_indent(bio, indent + 4, 80);
800             BIO_printf(bio, "NamedGroup: %s (%d)\n",
801                        ssl_trace_str(group_id, ssl_groups_tbl), group_id);
802             break;
803         }
804         if (extlen < 2)
805             return 0;
806         if (server) {
807             xlen = extlen;
808         } else {
809             xlen = (ext[0] << 8) | ext[1];
810             if (extlen != xlen + 2)
811                 return 0;
812             ext += 2;
813         }
814         for (; xlen > 0; ext += share_len, xlen -= share_len) {
815             int group_id;
816
817             if (xlen < 4)
818                 return 0;
819             group_id = (ext[0] << 8) | ext[1];
820             share_len = (ext[2] << 8) | ext[3];
821             ext += 4;
822             xlen -= 4;
823             if (xlen < share_len)
824                 return 0;
825             BIO_indent(bio, indent + 4, 80);
826             BIO_printf(bio, "NamedGroup: %s (%d)\n",
827                        ssl_trace_str(group_id, ssl_groups_tbl), group_id);
828             ssl_print_hex(bio, indent + 4, "key_exchange: ", ext, share_len);
829         }
830         break;
831
832     case TLSEXT_TYPE_supported_versions:
833         if (server) {
834             int version;
835
836             if (extlen != 2)
837                 return 0;
838             version = (ext[0] << 8) | ext[1];
839             BIO_indent(bio, indent + 4, 80);
840             BIO_printf(bio, "%s (%d)\n",
841                        ssl_trace_str(version, ssl_version_tbl), version);
842             break;
843         }
844         if (extlen < 1)
845             return 0;
846         xlen = ext[0];
847         if (extlen != xlen + 1)
848             return 0;
849         return ssl_trace_list(bio, indent + 2, ext + 1, xlen, 2,
850                               ssl_version_tbl);
851
852     case TLSEXT_TYPE_psk_kex_modes:
853         if (extlen < 1)
854             return 0;
855         xlen = ext[0];
856         if (extlen != xlen + 1)
857             return 0;
858         return ssl_trace_list(bio, indent + 2, ext + 1, xlen, 1,
859                               ssl_psk_kex_modes_tbl);
860
861     case TLSEXT_TYPE_early_data:
862         if (mt != SSL3_MT_NEWSESSION_TICKET)
863             break;
864         if (extlen != 4)
865             return 0;
866         max_early_data = (ext[0] << 24) | (ext[1] << 16) | (ext[2] << 8)
867                          | ext[3];
868         BIO_indent(bio, indent + 2, 80);
869         BIO_printf(bio, "max_early_data=%u\n", max_early_data);
870         break;
871
872     default:
873         BIO_dump_indent(bio, (const char *)ext, extlen, indent + 2);
874     }
875     return 1;
876 }
877
878 static int ssl_print_extensions(BIO *bio, int indent, int server,
879                                 unsigned char mt, const unsigned char **msgin,
880                                 size_t *msginlen)
881 {
882     size_t extslen, msglen = *msginlen;
883     const unsigned char *msg = *msgin;
884
885     BIO_indent(bio, indent, 80);
886     if (msglen == 0) {
887         BIO_puts(bio, "No extensions\n");
888         return 1;
889     }
890     if (msglen < 2)
891         return 0;
892     extslen = (msg[0] << 8) | msg[1];
893     msglen -= 2;
894     msg += 2;
895     if (extslen == 0) {
896         BIO_puts(bio, "No extensions\n");
897         *msgin = msg;
898         *msginlen = msglen;
899         return 1;
900     }
901     if (extslen > msglen)
902         return 0;
903     BIO_printf(bio, "extensions, length = %d\n", (int)extslen);
904     msglen -= extslen;
905     while (extslen > 0) {
906         int extype;
907         size_t extlen;
908         if (extslen < 4)
909             return 0;
910         extype = (msg[0] << 8) | msg[1];
911         extlen = (msg[2] << 8) | msg[3];
912         if (extslen < extlen + 4) {
913             BIO_printf(bio, "extensions, extype = %d, extlen = %d\n", extype,
914                        (int)extlen);
915             BIO_dump_indent(bio, (const char *)msg, extslen, indent + 2);
916             return 0;
917         }
918         msg += 4;
919         if (!ssl_print_extension(bio, indent + 2, server, mt, extype, msg,
920                                  extlen))
921             return 0;
922         msg += extlen;
923         extslen -= extlen + 4;
924     }
925
926     *msgin = msg;
927     *msginlen = msglen;
928     return 1;
929 }
930
931 static int ssl_print_client_hello(BIO *bio, const SSL *ssl, int indent,
932                                   const unsigned char *msg, size_t msglen)
933 {
934     size_t len;
935     unsigned int cs;
936
937     if (!ssl_print_version(bio, indent, "client_version", &msg, &msglen, NULL))
938         return 0;
939     if (!ssl_print_random(bio, indent, &msg, &msglen))
940         return 0;
941     if (!ssl_print_hexbuf(bio, indent, "session_id", 1, &msg, &msglen))
942         return 0;
943     if (SSL_IS_DTLS(ssl)) {
944         if (!ssl_print_hexbuf(bio, indent, "cookie", 1, &msg, &msglen))
945             return 0;
946     }
947     if (msglen < 2)
948         return 0;
949     len = (msg[0] << 8) | msg[1];
950     msg += 2;
951     msglen -= 2;
952     BIO_indent(bio, indent, 80);
953     BIO_printf(bio, "cipher_suites (len=%d)\n", (int)len);
954     if (msglen < len || len & 1)
955         return 0;
956     while (len > 0) {
957         cs = (msg[0] << 8) | msg[1];
958         BIO_indent(bio, indent + 2, 80);
959         BIO_printf(bio, "{0x%02X, 0x%02X} %s\n",
960                    msg[0], msg[1], ssl_trace_str(cs, ssl_ciphers_tbl));
961         msg += 2;
962         msglen -= 2;
963         len -= 2;
964     }
965     if (msglen < 1)
966         return 0;
967     len = msg[0];
968     msg++;
969     msglen--;
970     if (msglen < len)
971         return 0;
972     BIO_indent(bio, indent, 80);
973     BIO_printf(bio, "compression_methods (len=%d)\n", (int)len);
974     while (len > 0) {
975         BIO_indent(bio, indent + 2, 80);
976         BIO_printf(bio, "%s (0x%02X)\n",
977                    ssl_trace_str(msg[0], ssl_comp_tbl), msg[0]);
978         msg++;
979         msglen--;
980         len--;
981     }
982     if (!ssl_print_extensions(bio, indent, 0, SSL3_MT_CLIENT_HELLO, &msg,
983                               &msglen))
984         return 0;
985     return 1;
986 }
987
988 static int dtls_print_hello_vfyrequest(BIO *bio, int indent,
989                                        const unsigned char *msg, size_t msglen)
990 {
991     if (!ssl_print_version(bio, indent, "server_version", &msg, &msglen, NULL))
992         return 0;
993     if (!ssl_print_hexbuf(bio, indent, "cookie", 1, &msg, &msglen))
994         return 0;
995     return 1;
996 }
997
998 static int ssl_print_server_hello(BIO *bio, int indent,
999                                   const unsigned char *msg, size_t msglen)
1000 {
1001     unsigned int cs;
1002     unsigned int vers;
1003
1004     if (!ssl_print_version(bio, indent, "server_version", &msg, &msglen, &vers))
1005         return 0;
1006     if (!ssl_print_random(bio, indent, &msg, &msglen))
1007         return 0;
1008     if (vers != TLS1_3_VERSION
1009             && !ssl_print_hexbuf(bio, indent, "session_id", 1, &msg, &msglen))
1010         return 0;
1011     if (msglen < 2)
1012         return 0;
1013     cs = (msg[0] << 8) | msg[1];
1014     BIO_indent(bio, indent, 80);
1015     BIO_printf(bio, "cipher_suite {0x%02X, 0x%02X} %s\n",
1016                msg[0], msg[1], ssl_trace_str(cs, ssl_ciphers_tbl));
1017     msg += 2;
1018     msglen -= 2;
1019     if (vers != TLS1_3_VERSION) {
1020         if (msglen < 1)
1021             return 0;
1022         BIO_indent(bio, indent, 80);
1023         BIO_printf(bio, "compression_method: %s (0x%02X)\n",
1024                    ssl_trace_str(msg[0], ssl_comp_tbl), msg[0]);
1025         msg++;
1026         msglen--;
1027     }
1028     if (!ssl_print_extensions(bio, indent, 1, SSL3_MT_SERVER_HELLO, &msg,
1029                               &msglen))
1030         return 0;
1031     return 1;
1032 }
1033
1034 static int ssl_get_keyex(const char **pname, const SSL *ssl)
1035 {
1036     unsigned long alg_k = ssl->s3.tmp.new_cipher->algorithm_mkey;
1037
1038     if (alg_k & SSL_kRSA) {
1039         *pname = "rsa";
1040         return SSL_kRSA;
1041     }
1042     if (alg_k & SSL_kDHE) {
1043         *pname = "DHE";
1044         return SSL_kDHE;
1045     }
1046     if (alg_k & SSL_kECDHE) {
1047         *pname = "ECDHE";
1048         return SSL_kECDHE;
1049     }
1050     if (alg_k & SSL_kPSK) {
1051         *pname = "PSK";
1052         return SSL_kPSK;
1053     }
1054     if (alg_k & SSL_kRSAPSK) {
1055         *pname = "RSAPSK";
1056         return SSL_kRSAPSK;
1057     }
1058     if (alg_k & SSL_kDHEPSK) {
1059         *pname = "DHEPSK";
1060         return SSL_kDHEPSK;
1061     }
1062     if (alg_k & SSL_kECDHEPSK) {
1063         *pname = "ECDHEPSK";
1064         return SSL_kECDHEPSK;
1065     }
1066     if (alg_k & SSL_kSRP) {
1067         *pname = "SRP";
1068         return SSL_kSRP;
1069     }
1070     if (alg_k & SSL_kGOST) {
1071         *pname = "GOST";
1072         return SSL_kGOST;
1073     }
1074     *pname = "UNKNOWN";
1075     return 0;
1076 }
1077
1078 static int ssl_print_client_keyex(BIO *bio, int indent, const SSL *ssl,
1079                                   const unsigned char *msg, size_t msglen)
1080 {
1081     const char *algname;
1082     int id = ssl_get_keyex(&algname, ssl);
1083
1084     BIO_indent(bio, indent, 80);
1085     BIO_printf(bio, "KeyExchangeAlgorithm=%s\n", algname);
1086     if (id & SSL_PSK) {
1087         if (!ssl_print_hexbuf(bio, indent + 2,
1088                               "psk_identity", 2, &msg, &msglen))
1089             return 0;
1090     }
1091     switch (id) {
1092
1093     case SSL_kRSA:
1094     case SSL_kRSAPSK:
1095         if (TLS1_get_version(ssl) == SSL3_VERSION) {
1096             ssl_print_hex(bio, indent + 2,
1097                           "EncryptedPreMasterSecret", msg, msglen);
1098         } else {
1099             if (!ssl_print_hexbuf(bio, indent + 2,
1100                                   "EncryptedPreMasterSecret", 2, &msg, &msglen))
1101                 return 0;
1102         }
1103         break;
1104
1105     case SSL_kDHE:
1106     case SSL_kDHEPSK:
1107         if (!ssl_print_hexbuf(bio, indent + 2, "dh_Yc", 2, &msg, &msglen))
1108             return 0;
1109         break;
1110
1111     case SSL_kECDHE:
1112     case SSL_kECDHEPSK:
1113         if (!ssl_print_hexbuf(bio, indent + 2, "ecdh_Yc", 1, &msg, &msglen))
1114             return 0;
1115         break;
1116     case SSL_kGOST:
1117         ssl_print_hex(bio, indent + 2, "GostKeyTransportBlob", msg, msglen);
1118         msglen = 0;
1119         break;
1120
1121     }
1122
1123     return !msglen;
1124 }
1125
1126 static int ssl_print_server_keyex(BIO *bio, int indent, const SSL *ssl,
1127                                   const unsigned char *msg, size_t msglen)
1128 {
1129     const char *algname;
1130     int id = ssl_get_keyex(&algname, ssl);
1131
1132     BIO_indent(bio, indent, 80);
1133     BIO_printf(bio, "KeyExchangeAlgorithm=%s\n", algname);
1134     if (id & SSL_PSK) {
1135         if (!ssl_print_hexbuf(bio, indent + 2,
1136                               "psk_identity_hint", 2, &msg, &msglen))
1137             return 0;
1138     }
1139     switch (id) {
1140     case SSL_kRSA:
1141
1142         if (!ssl_print_hexbuf(bio, indent + 2, "rsa_modulus", 2, &msg, &msglen))
1143             return 0;
1144         if (!ssl_print_hexbuf(bio, indent + 2, "rsa_exponent", 2,
1145                               &msg, &msglen))
1146             return 0;
1147         break;
1148
1149     case SSL_kDHE:
1150     case SSL_kDHEPSK:
1151         if (!ssl_print_hexbuf(bio, indent + 2, "dh_p", 2, &msg, &msglen))
1152             return 0;
1153         if (!ssl_print_hexbuf(bio, indent + 2, "dh_g", 2, &msg, &msglen))
1154             return 0;
1155         if (!ssl_print_hexbuf(bio, indent + 2, "dh_Ys", 2, &msg, &msglen))
1156             return 0;
1157         break;
1158
1159 # ifndef OPENSSL_NO_EC
1160     case SSL_kECDHE:
1161     case SSL_kECDHEPSK:
1162         if (msglen < 1)
1163             return 0;
1164         BIO_indent(bio, indent + 2, 80);
1165         if (msg[0] == EXPLICIT_PRIME_CURVE_TYPE)
1166             BIO_puts(bio, "explicit_prime\n");
1167         else if (msg[0] == EXPLICIT_CHAR2_CURVE_TYPE)
1168             BIO_puts(bio, "explicit_char2\n");
1169         else if (msg[0] == NAMED_CURVE_TYPE) {
1170             int curve;
1171             if (msglen < 3)
1172                 return 0;
1173             curve = (msg[1] << 8) | msg[2];
1174             BIO_printf(bio, "named_curve: %s (%d)\n",
1175                        ssl_trace_str(curve, ssl_groups_tbl), curve);
1176             msg += 3;
1177             msglen -= 3;
1178             if (!ssl_print_hexbuf(bio, indent + 2, "point", 1, &msg, &msglen))
1179                 return 0;
1180         } else {
1181             BIO_printf(bio, "UNKNOWN CURVE PARAMETER TYPE %d\n", msg[0]);
1182             return 0;
1183         }
1184         break;
1185 # endif
1186
1187     case SSL_kPSK:
1188     case SSL_kRSAPSK:
1189         break;
1190     }
1191     if (!(id & SSL_PSK))
1192         ssl_print_signature(bio, indent, ssl, &msg, &msglen);
1193     return !msglen;
1194 }
1195
1196 static int ssl_print_certificate(BIO *bio, int indent,
1197                                  const unsigned char **pmsg, size_t *pmsglen)
1198 {
1199     size_t msglen = *pmsglen;
1200     size_t clen;
1201     X509 *x;
1202     const unsigned char *p = *pmsg, *q;
1203
1204     if (msglen < 3)
1205         return 0;
1206     clen = (p[0] << 16) | (p[1] << 8) | p[2];
1207     if (msglen < clen + 3)
1208         return 0;
1209     q = p + 3;
1210     BIO_indent(bio, indent, 80);
1211     BIO_printf(bio, "ASN.1Cert, length=%d", (int)clen);
1212     x = d2i_X509(NULL, &q, clen);
1213     if (!x)
1214         BIO_puts(bio, "<UNPARSEABLE CERTIFICATE>\n");
1215     else {
1216         BIO_puts(bio, "\n------details-----\n");
1217         X509_print_ex(bio, x, XN_FLAG_ONELINE, 0);
1218         PEM_write_bio_X509(bio, x);
1219         /* Print certificate stuff */
1220         BIO_puts(bio, "------------------\n");
1221         X509_free(x);
1222     }
1223     if (q != p + 3 + clen) {
1224         BIO_puts(bio, "<TRAILING GARBAGE AFTER CERTIFICATE>\n");
1225     }
1226     *pmsg += clen + 3;
1227     *pmsglen -= clen + 3;
1228     return 1;
1229 }
1230
1231 static int ssl_print_certificates(BIO *bio, const SSL *ssl, int server,
1232                                   int indent, const unsigned char *msg,
1233                                   size_t msglen)
1234 {
1235     size_t clen;
1236
1237     if (SSL_IS_TLS13(ssl)
1238             && !ssl_print_hexbuf(bio, indent, "context", 1, &msg, &msglen))
1239         return 0;
1240
1241     if (msglen < 3)
1242         return 0;
1243     clen = (msg[0] << 16) | (msg[1] << 8) | msg[2];
1244     if (msglen != clen + 3)
1245         return 0;
1246     msg += 3;
1247     BIO_indent(bio, indent, 80);
1248     BIO_printf(bio, "certificate_list, length=%d\n", (int)clen);
1249     while (clen > 0) {
1250         if (!ssl_print_certificate(bio, indent + 2, &msg, &clen))
1251             return 0;
1252         if (SSL_IS_TLS13(ssl)
1253             && !ssl_print_extensions(bio, indent + 2, server,
1254                                      SSL3_MT_CERTIFICATE, &msg, &clen))
1255             return 0;
1256
1257     }
1258     return 1;
1259 }
1260
1261 static int ssl_print_cert_request(BIO *bio, int indent, const SSL *ssl,
1262                                   const unsigned char *msg, size_t msglen)
1263 {
1264     size_t xlen;
1265     unsigned int sigalg;
1266
1267     if (SSL_IS_TLS13(ssl)) {
1268         if (!ssl_print_hexbuf(bio, indent, "request_context", 1, &msg, &msglen))
1269             return 0;
1270         if (!ssl_print_extensions(bio, indent, 1,
1271                                   SSL3_MT_CERTIFICATE_REQUEST, &msg, &msglen))
1272             return 0;
1273         return 1;
1274     } else {
1275         if (msglen < 1)
1276             return 0;
1277         xlen = msg[0];
1278         if (msglen < xlen + 1)
1279             return 0;
1280         msg++;
1281         BIO_indent(bio, indent, 80);
1282         BIO_printf(bio, "certificate_types (len=%d)\n", (int)xlen);
1283         if (!ssl_trace_list(bio, indent + 2, msg, xlen, 1, ssl_ctype_tbl))
1284             return 0;
1285         msg += xlen;
1286         msglen -= xlen + 1;
1287     }
1288     if (SSL_USE_SIGALGS(ssl)) {
1289         if (msglen < 2)
1290             return 0;
1291         xlen = (msg[0] << 8) | msg[1];
1292         if (msglen < xlen + 2 || (xlen & 1))
1293             return 0;
1294         msg += 2;
1295         msglen -= xlen + 2;
1296         BIO_indent(bio, indent, 80);
1297         BIO_printf(bio, "signature_algorithms (len=%d)\n", (int)xlen);
1298         while (xlen > 0) {
1299             BIO_indent(bio, indent + 2, 80);
1300             sigalg = (msg[0] << 8) | msg[1];
1301             BIO_printf(bio, "%s (0x%04x)\n",
1302                        ssl_trace_str(sigalg, ssl_sigalg_tbl), sigalg);
1303             xlen -= 2;
1304             msg += 2;
1305         }
1306         msg += xlen;
1307     }
1308
1309     if (msglen < 2)
1310         return 0;
1311     xlen = (msg[0] << 8) | msg[1];
1312     BIO_indent(bio, indent, 80);
1313     if (msglen < xlen + 2)
1314         return 0;
1315     msg += 2;
1316     msglen -= 2 + xlen;
1317     BIO_printf(bio, "certificate_authorities (len=%d)\n", (int)xlen);
1318     while (xlen > 0) {
1319         size_t dlen;
1320         X509_NAME *nm;
1321         const unsigned char *p;
1322         if (xlen < 2)
1323             return 0;
1324         dlen = (msg[0] << 8) | msg[1];
1325         if (xlen < dlen + 2)
1326             return 0;
1327         msg += 2;
1328         BIO_indent(bio, indent + 2, 80);
1329         BIO_printf(bio, "DistinguishedName (len=%d): ", (int)dlen);
1330         p = msg;
1331         nm = d2i_X509_NAME(NULL, &p, dlen);
1332         if (!nm) {
1333             BIO_puts(bio, "<UNPARSEABLE DN>\n");
1334         } else {
1335             X509_NAME_print_ex(bio, nm, 0, XN_FLAG_ONELINE);
1336             BIO_puts(bio, "\n");
1337             X509_NAME_free(nm);
1338         }
1339         xlen -= dlen + 2;
1340         msg += dlen;
1341     }
1342     if (SSL_IS_TLS13(ssl)) {
1343         if (!ssl_print_hexbuf(bio, indent, "request_extensions", 2,
1344                               &msg, &msglen))
1345             return 0;
1346     }
1347     return msglen == 0;
1348 }
1349
1350 static int ssl_print_ticket(BIO *bio, int indent, const SSL *ssl,
1351                             const unsigned char *msg, size_t msglen)
1352 {
1353     unsigned int tick_life;
1354
1355     if (msglen == 0) {
1356         BIO_indent(bio, indent + 2, 80);
1357         BIO_puts(bio, "No Ticket\n");
1358         return 1;
1359     }
1360     if (msglen < 4)
1361         return 0;
1362     tick_life = (msg[0] << 24) | (msg[1] << 16) | (msg[2] << 8) | msg[3];
1363     msglen -= 4;
1364     msg += 4;
1365     BIO_indent(bio, indent + 2, 80);
1366     BIO_printf(bio, "ticket_lifetime_hint=%u\n", tick_life);
1367     if (SSL_IS_TLS13(ssl)) {
1368         unsigned int ticket_age_add;
1369
1370         if (msglen < 4)
1371             return 0;
1372         ticket_age_add =
1373             (msg[0] << 24) | (msg[1] << 16) | (msg[2] << 8) | msg[3];
1374         msglen -= 4;
1375         msg += 4;
1376         BIO_indent(bio, indent + 2, 80);
1377         BIO_printf(bio, "ticket_age_add=%u\n", ticket_age_add);
1378         if (!ssl_print_hexbuf(bio, indent + 2, "ticket_nonce", 1, &msg,
1379                               &msglen))
1380             return 0;
1381     }
1382     if (!ssl_print_hexbuf(bio, indent + 2, "ticket", 2, &msg, &msglen))
1383         return 0;
1384     if (SSL_IS_TLS13(ssl)
1385             && !ssl_print_extensions(bio, indent + 2, 0,
1386                                      SSL3_MT_NEWSESSION_TICKET, &msg, &msglen))
1387         return 0;
1388     if (msglen)
1389         return 0;
1390     return 1;
1391 }
1392
1393 static int ssl_print_handshake(BIO *bio, const SSL *ssl, int server,
1394                                const unsigned char *msg, size_t msglen,
1395                                int indent)
1396 {
1397     size_t hlen;
1398     unsigned char htype;
1399
1400     if (msglen < 4)
1401         return 0;
1402     htype = msg[0];
1403     hlen = (msg[1] << 16) | (msg[2] << 8) | msg[3];
1404     BIO_indent(bio, indent, 80);
1405     BIO_printf(bio, "%s, Length=%d\n",
1406                ssl_trace_str(htype, ssl_handshake_tbl), (int)hlen);
1407     msg += 4;
1408     msglen -= 4;
1409     if (SSL_IS_DTLS(ssl)) {
1410         if (msglen < 8)
1411             return 0;
1412         BIO_indent(bio, indent, 80);
1413         BIO_printf(bio, "message_seq=%d, fragment_offset=%d, "
1414                    "fragment_length=%d\n",
1415                    (msg[0] << 8) | msg[1],
1416                    (msg[2] << 16) | (msg[3] << 8) | msg[4],
1417                    (msg[5] << 16) | (msg[6] << 8) | msg[7]);
1418         msg += 8;
1419         msglen -= 8;
1420     }
1421     if (msglen < hlen)
1422         return 0;
1423     switch (htype) {
1424     case SSL3_MT_CLIENT_HELLO:
1425         if (!ssl_print_client_hello(bio, ssl, indent + 2, msg, msglen))
1426             return 0;
1427         break;
1428
1429     case DTLS1_MT_HELLO_VERIFY_REQUEST:
1430         if (!dtls_print_hello_vfyrequest(bio, indent + 2, msg, msglen))
1431             return 0;
1432         break;
1433
1434     case SSL3_MT_SERVER_HELLO:
1435         if (!ssl_print_server_hello(bio, indent + 2, msg, msglen))
1436             return 0;
1437         break;
1438
1439     case SSL3_MT_SERVER_KEY_EXCHANGE:
1440         if (!ssl_print_server_keyex(bio, indent + 2, ssl, msg, msglen))
1441             return 0;
1442         break;
1443
1444     case SSL3_MT_CLIENT_KEY_EXCHANGE:
1445         if (!ssl_print_client_keyex(bio, indent + 2, ssl, msg, msglen))
1446             return 0;
1447         break;
1448
1449     case SSL3_MT_CERTIFICATE:
1450         if (!ssl_print_certificates(bio, ssl, server, indent + 2, msg, msglen))
1451             return 0;
1452         break;
1453
1454     case SSL3_MT_CERTIFICATE_VERIFY:
1455         if (!ssl_print_signature(bio, indent + 2, ssl, &msg, &msglen))
1456             return 0;
1457         break;
1458
1459     case SSL3_MT_CERTIFICATE_REQUEST:
1460         if (!ssl_print_cert_request(bio, indent + 2, ssl, msg, msglen))
1461             return 0;
1462         break;
1463
1464     case SSL3_MT_FINISHED:
1465         ssl_print_hex(bio, indent + 2, "verify_data", msg, msglen);
1466         break;
1467
1468     case SSL3_MT_SERVER_DONE:
1469         if (msglen != 0)
1470             ssl_print_hex(bio, indent + 2, "unexpected value", msg, msglen);
1471         break;
1472
1473     case SSL3_MT_NEWSESSION_TICKET:
1474         if (!ssl_print_ticket(bio, indent + 2, ssl, msg, msglen))
1475             return 0;
1476         break;
1477
1478     case SSL3_MT_ENCRYPTED_EXTENSIONS:
1479         if (!ssl_print_extensions(bio, indent + 2, 1,
1480                                   SSL3_MT_ENCRYPTED_EXTENSIONS, &msg, &msglen))
1481             return 0;
1482         break;
1483
1484     case SSL3_MT_KEY_UPDATE:
1485         if (msglen != 1) {
1486             ssl_print_hex(bio, indent + 2, "unexpected value", msg, msglen);
1487             return 0;
1488         }
1489         if (!ssl_trace_list(bio, indent + 2, msg, msglen, 1,
1490                             ssl_key_update_tbl))
1491             return 0;
1492         break;
1493
1494     default:
1495         BIO_indent(bio, indent + 2, 80);
1496         BIO_puts(bio, "Unsupported, hex dump follows:\n");
1497         BIO_dump_indent(bio, (const char *)msg, msglen, indent + 4);
1498     }
1499     return 1;
1500 }
1501
1502 void SSL_trace(int write_p, int version, int content_type,
1503                const void *buf, size_t msglen, SSL *ssl, void *arg)
1504 {
1505     const unsigned char *msg = buf;
1506     BIO *bio = arg;
1507
1508     switch (content_type) {
1509     case SSL3_RT_HEADER:
1510         {
1511             int hvers;
1512
1513             /* avoid overlapping with length at the end of buffer */
1514             if (msglen < (size_t)(SSL_IS_DTLS(ssl) ?
1515                      DTLS1_RT_HEADER_LENGTH : SSL3_RT_HEADER_LENGTH)) {
1516                 BIO_puts(bio, write_p ? "Sent" : "Received");
1517                 ssl_print_hex(bio, 0, " too short message", msg, msglen);
1518                 break;
1519             }
1520             hvers = msg[1] << 8 | msg[2];
1521             BIO_puts(bio, write_p ? "Sent" : "Received");
1522             BIO_printf(bio, " Record\nHeader:\n  Version = %s (0x%x)\n",
1523                        ssl_trace_str(hvers, ssl_version_tbl), hvers);
1524             if (SSL_IS_DTLS(ssl)) {
1525                 BIO_printf(bio,
1526                            "  epoch=%d, sequence_number=%04x%04x%04x\n",
1527                            (msg[3] << 8 | msg[4]),
1528                            (msg[5] << 8 | msg[6]),
1529                            (msg[7] << 8 | msg[8]), (msg[9] << 8 | msg[10]));
1530             }
1531
1532             BIO_printf(bio, "  Content Type = %s (%d)\n  Length = %d",
1533                        ssl_trace_str(msg[0], ssl_content_tbl), msg[0],
1534                        msg[msglen - 2] << 8 | msg[msglen - 1]);
1535         }
1536         break;
1537
1538     case SSL3_RT_INNER_CONTENT_TYPE:
1539         BIO_printf(bio, "  Inner Content Type = %s (%d)",
1540                    ssl_trace_str(msg[0], ssl_content_tbl), msg[0]);
1541         break;
1542
1543     case SSL3_RT_HANDSHAKE:
1544         if (!ssl_print_handshake(bio, ssl, ssl->server ? write_p : !write_p,
1545                                  msg, msglen, 4))
1546             BIO_printf(bio, "Message length parse error!\n");
1547         break;
1548
1549     case SSL3_RT_CHANGE_CIPHER_SPEC:
1550         if (msglen == 1 && msg[0] == 1)
1551             BIO_puts(bio, "    change_cipher_spec (1)\n");
1552         else
1553             ssl_print_hex(bio, 4, "unknown value", msg, msglen);
1554         break;
1555
1556     case SSL3_RT_ALERT:
1557         if (msglen != 2)
1558             BIO_puts(bio, "    Illegal Alert Length\n");
1559         else {
1560             BIO_printf(bio, "    Level=%s(%d), description=%s(%d)\n",
1561                        SSL_alert_type_string_long(msg[0] << 8),
1562                        msg[0], SSL_alert_desc_string_long(msg[1]), msg[1]);
1563         }
1564
1565     }
1566
1567     BIO_puts(bio, "\n");
1568 }
1569
1570 #endif