Prevent OOB in SRP base64 code.
[openssl.git] / ssl / t1_trce.c
1 /*
2  * Copyright 2012-2016 The OpenSSL Project Authors. All Rights Reserved.
3  *
4  * Licensed under the OpenSSL license (the "License").  You may not use
5  * this file except in compliance with the License.  You can obtain a copy
6  * in the file LICENSE in the source distribution or at
7  * https://www.openssl.org/source/license.html
8  */
9
10 #include "ssl_locl.h"
11
12 #ifndef OPENSSL_NO_SSL_TRACE
13
14 /* Packet trace support for OpenSSL */
15
16 typedef struct {
17     int num;
18     const char *name;
19 } ssl_trace_tbl;
20
21 # define ssl_trace_str(val, tbl) \
22         do_ssl_trace_str(val, tbl, OSSL_NELEM(tbl))
23
24 # define ssl_trace_list(bio, indent, msg, msglen, value, table) \
25         do_ssl_trace_list(bio, indent, msg, msglen, value, \
26          table, OSSL_NELEM(table))
27
28 static const char *do_ssl_trace_str(int val, ssl_trace_tbl *tbl, size_t ntbl)
29 {
30     size_t i;
31     for (i = 0; i < ntbl; i++, tbl++) {
32         if (tbl->num == val)
33             return tbl->name;
34     }
35     return "UNKNOWN";
36 }
37
38 static int do_ssl_trace_list(BIO *bio, int indent,
39                              const unsigned char *msg, size_t msglen,
40                              size_t vlen, ssl_trace_tbl *tbl, size_t ntbl)
41 {
42     int val;
43     if (msglen % vlen)
44         return 0;
45     while (msglen) {
46         val = msg[0];
47         if (vlen == 2)
48             val = (val << 8) | msg[1];
49         BIO_indent(bio, indent, 80);
50         BIO_printf(bio, "%s (%d)\n", do_ssl_trace_str(val, tbl, ntbl), val);
51         msg += vlen;
52         msglen -= vlen;
53     }
54     return 1;
55 }
56
57 /* Version number */
58
59 static ssl_trace_tbl ssl_version_tbl[] = {
60     {SSL3_VERSION, "SSL 3.0"},
61     {TLS1_VERSION, "TLS 1.0"},
62     {TLS1_1_VERSION, "TLS 1.1"},
63     {TLS1_2_VERSION, "TLS 1.2"},
64     {TLS1_3_VERSION, "TLS 1.3"},
65     /* TODO(TLS1.3): Remove this line before release */
66     {TLS1_3_VERSION_DRAFT, TLS1_3_VERSION_DRAFT_TXT},
67     {DTLS1_VERSION, "DTLS 1.0"},
68     {DTLS1_2_VERSION, "DTLS 1.2"},
69     {DTLS1_BAD_VER, "DTLS 1.0 (bad)"}
70 };
71
72 static ssl_trace_tbl ssl_content_tbl[] = {
73     {SSL3_RT_CHANGE_CIPHER_SPEC, "ChangeCipherSpec"},
74     {SSL3_RT_ALERT, "Alert"},
75     {SSL3_RT_HANDSHAKE, "Handshake"},
76     {SSL3_RT_APPLICATION_DATA, "ApplicationData"},
77 };
78
79 /* Handshake types */
80 static ssl_trace_tbl ssl_handshake_tbl[] = {
81     {SSL3_MT_HELLO_REQUEST, "HelloRequest"},
82     {SSL3_MT_CLIENT_HELLO, "ClientHello"},
83     {SSL3_MT_SERVER_HELLO, "ServerHello"},
84     {DTLS1_MT_HELLO_VERIFY_REQUEST, "HelloVerifyRequest"},
85     {SSL3_MT_NEWSESSION_TICKET, "NewSessionTicket"},
86     {SSL3_MT_HELLO_RETRY_REQUEST, "HelloRetryRequest"},
87     {SSL3_MT_ENCRYPTED_EXTENSIONS, "EncryptedExtensions"},
88     {SSL3_MT_CERTIFICATE, "Certificate"},
89     {SSL3_MT_SERVER_KEY_EXCHANGE, "ServerKeyExchange"},
90     {SSL3_MT_CERTIFICATE_REQUEST, "CertificateRequest"},
91     {SSL3_MT_SERVER_DONE, "ServerHelloDone"},
92     {SSL3_MT_CERTIFICATE_VERIFY, "CertificateVerify"},
93     {SSL3_MT_CLIENT_KEY_EXCHANGE, "ClientKeyExchange"},
94     {SSL3_MT_CERTIFICATE_STATUS, "CertificateStatus"},
95     {SSL3_MT_CLIENT_KEY_EXCHANGE, "ClientKeyExchange"},
96     {SSL3_MT_FINISHED, "Finished"},
97     {SSL3_MT_CERTIFICATE_STATUS, "CertificateStatus"},
98     {SSL3_MT_KEY_UPDATE, "KeyUpdate"}
99 };
100
101 /* Cipher suites */
102 static ssl_trace_tbl ssl_ciphers_tbl[] = {
103     {0x0000, "SSL_NULL_WITH_NULL_NULL"},
104     {0x0001, "SSL_RSA_WITH_NULL_MD5"},
105     {0x0002, "SSL_RSA_WITH_NULL_SHA"},
106     {0x0003, "SSL_RSA_EXPORT_WITH_RC4_40_MD5"},
107     {0x0004, "SSL_RSA_WITH_RC4_128_MD5"},
108     {0x0005, "SSL_RSA_WITH_RC4_128_SHA"},
109     {0x0006, "SSL_RSA_EXPORT_WITH_RC2_CBC_40_MD5"},
110     {0x0007, "SSL_RSA_WITH_IDEA_CBC_SHA"},
111     {0x0008, "SSL_RSA_EXPORT_WITH_DES40_CBC_SHA"},
112     {0x0009, "SSL_RSA_WITH_DES_CBC_SHA"},
113     {0x000A, "SSL_RSA_WITH_3DES_EDE_CBC_SHA"},
114     {0x000B, "SSL_DH_DSS_EXPORT_WITH_DES40_CBC_SHA"},
115     {0x000C, "SSL_DH_DSS_WITH_DES_CBC_SHA"},
116     {0x000D, "SSL_DH_DSS_WITH_3DES_EDE_CBC_SHA"},
117     {0x000E, "SSL_DH_RSA_EXPORT_WITH_DES40_CBC_SHA"},
118     {0x000F, "SSL_DH_RSA_WITH_DES_CBC_SHA"},
119     {0x0010, "SSL_DH_RSA_WITH_3DES_EDE_CBC_SHA"},
120     {0x0011, "SSL_DHE_DSS_EXPORT_WITH_DES40_CBC_SHA"},
121     {0x0012, "SSL_DHE_DSS_WITH_DES_CBC_SHA"},
122     {0x0013, "SSL_DHE_DSS_WITH_3DES_EDE_CBC_SHA"},
123     {0x0014, "SSL_DHE_RSA_EXPORT_WITH_DES40_CBC_SHA"},
124     {0x0015, "SSL_DHE_RSA_WITH_DES_CBC_SHA"},
125     {0x0016, "SSL_DHE_RSA_WITH_3DES_EDE_CBC_SHA"},
126     {0x0017, "SSL_DH_anon_EXPORT_WITH_RC4_40_MD5"},
127     {0x0018, "SSL_DH_anon_WITH_RC4_128_MD5"},
128     {0x0019, "SSL_DH_anon_EXPORT_WITH_DES40_CBC_SHA"},
129     {0x001A, "SSL_DH_anon_WITH_DES_CBC_SHA"},
130     {0x001B, "SSL_DH_anon_WITH_3DES_EDE_CBC_SHA"},
131     {0x001D, "SSL_FORTEZZA_KEA_WITH_FORTEZZA_CBC_SHA"},
132     {0x001E, "SSL_FORTEZZA_KEA_WITH_RC4_128_SHA"},
133     {0x001F, "TLS_KRB5_WITH_3DES_EDE_CBC_SHA"},
134     {0x0020, "TLS_KRB5_WITH_RC4_128_SHA"},
135     {0x0021, "TLS_KRB5_WITH_IDEA_CBC_SHA"},
136     {0x0022, "TLS_KRB5_WITH_DES_CBC_MD5"},
137     {0x0023, "TLS_KRB5_WITH_3DES_EDE_CBC_MD5"},
138     {0x0024, "TLS_KRB5_WITH_RC4_128_MD5"},
139     {0x0025, "TLS_KRB5_WITH_IDEA_CBC_MD5"},
140     {0x0026, "TLS_KRB5_EXPORT_WITH_DES_CBC_40_SHA"},
141     {0x0027, "TLS_KRB5_EXPORT_WITH_RC2_CBC_40_SHA"},
142     {0x0028, "TLS_KRB5_EXPORT_WITH_RC4_40_SHA"},
143     {0x0029, "TLS_KRB5_EXPORT_WITH_DES_CBC_40_MD5"},
144     {0x002A, "TLS_KRB5_EXPORT_WITH_RC2_CBC_40_MD5"},
145     {0x002B, "TLS_KRB5_EXPORT_WITH_RC4_40_MD5"},
146     {0x002C, "TLS_PSK_WITH_NULL_SHA"},
147     {0x002D, "TLS_DHE_PSK_WITH_NULL_SHA"},
148     {0x002E, "TLS_RSA_PSK_WITH_NULL_SHA"},
149     {0x002F, "TLS_RSA_WITH_AES_128_CBC_SHA"},
150     {0x0030, "TLS_DH_DSS_WITH_AES_128_CBC_SHA"},
151     {0x0031, "TLS_DH_RSA_WITH_AES_128_CBC_SHA"},
152     {0x0032, "TLS_DHE_DSS_WITH_AES_128_CBC_SHA"},
153     {0x0033, "TLS_DHE_RSA_WITH_AES_128_CBC_SHA"},
154     {0x0034, "TLS_DH_anon_WITH_AES_128_CBC_SHA"},
155     {0x0035, "TLS_RSA_WITH_AES_256_CBC_SHA"},
156     {0x0036, "TLS_DH_DSS_WITH_AES_256_CBC_SHA"},
157     {0x0037, "TLS_DH_RSA_WITH_AES_256_CBC_SHA"},
158     {0x0038, "TLS_DHE_DSS_WITH_AES_256_CBC_SHA"},
159     {0x0039, "TLS_DHE_RSA_WITH_AES_256_CBC_SHA"},
160     {0x003A, "TLS_DH_anon_WITH_AES_256_CBC_SHA"},
161     {0x003B, "TLS_RSA_WITH_NULL_SHA256"},
162     {0x003C, "TLS_RSA_WITH_AES_128_CBC_SHA256"},
163     {0x003D, "TLS_RSA_WITH_AES_256_CBC_SHA256"},
164     {0x003E, "TLS_DH_DSS_WITH_AES_128_CBC_SHA256"},
165     {0x003F, "TLS_DH_RSA_WITH_AES_128_CBC_SHA256"},
166     {0x0040, "TLS_DHE_DSS_WITH_AES_128_CBC_SHA256"},
167     {0x0041, "TLS_RSA_WITH_CAMELLIA_128_CBC_SHA"},
168     {0x0042, "TLS_DH_DSS_WITH_CAMELLIA_128_CBC_SHA"},
169     {0x0043, "TLS_DH_RSA_WITH_CAMELLIA_128_CBC_SHA"},
170     {0x0044, "TLS_DHE_DSS_WITH_CAMELLIA_128_CBC_SHA"},
171     {0x0045, "TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA"},
172     {0x0046, "TLS_DH_anon_WITH_CAMELLIA_128_CBC_SHA"},
173     {0x0067, "TLS_DHE_RSA_WITH_AES_128_CBC_SHA256"},
174     {0x0068, "TLS_DH_DSS_WITH_AES_256_CBC_SHA256"},
175     {0x0069, "TLS_DH_RSA_WITH_AES_256_CBC_SHA256"},
176     {0x006A, "TLS_DHE_DSS_WITH_AES_256_CBC_SHA256"},
177     {0x006B, "TLS_DHE_RSA_WITH_AES_256_CBC_SHA256"},
178     {0x006C, "TLS_DH_anon_WITH_AES_128_CBC_SHA256"},
179     {0x006D, "TLS_DH_anon_WITH_AES_256_CBC_SHA256"},
180     {0x0084, "TLS_RSA_WITH_CAMELLIA_256_CBC_SHA"},
181     {0x0085, "TLS_DH_DSS_WITH_CAMELLIA_256_CBC_SHA"},
182     {0x0086, "TLS_DH_RSA_WITH_CAMELLIA_256_CBC_SHA"},
183     {0x0087, "TLS_DHE_DSS_WITH_CAMELLIA_256_CBC_SHA"},
184     {0x0088, "TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA"},
185     {0x0089, "TLS_DH_anon_WITH_CAMELLIA_256_CBC_SHA"},
186     {0x008A, "TLS_PSK_WITH_RC4_128_SHA"},
187     {0x008B, "TLS_PSK_WITH_3DES_EDE_CBC_SHA"},
188     {0x008C, "TLS_PSK_WITH_AES_128_CBC_SHA"},
189     {0x008D, "TLS_PSK_WITH_AES_256_CBC_SHA"},
190     {0x008E, "TLS_DHE_PSK_WITH_RC4_128_SHA"},
191     {0x008F, "TLS_DHE_PSK_WITH_3DES_EDE_CBC_SHA"},
192     {0x0090, "TLS_DHE_PSK_WITH_AES_128_CBC_SHA"},
193     {0x0091, "TLS_DHE_PSK_WITH_AES_256_CBC_SHA"},
194     {0x0092, "TLS_RSA_PSK_WITH_RC4_128_SHA"},
195     {0x0093, "TLS_RSA_PSK_WITH_3DES_EDE_CBC_SHA"},
196     {0x0094, "TLS_RSA_PSK_WITH_AES_128_CBC_SHA"},
197     {0x0095, "TLS_RSA_PSK_WITH_AES_256_CBC_SHA"},
198     {0x0096, "TLS_RSA_WITH_SEED_CBC_SHA"},
199     {0x0097, "TLS_DH_DSS_WITH_SEED_CBC_SHA"},
200     {0x0098, "TLS_DH_RSA_WITH_SEED_CBC_SHA"},
201     {0x0099, "TLS_DHE_DSS_WITH_SEED_CBC_SHA"},
202     {0x009A, "TLS_DHE_RSA_WITH_SEED_CBC_SHA"},
203     {0x009B, "TLS_DH_anon_WITH_SEED_CBC_SHA"},
204     {0x009C, "TLS_RSA_WITH_AES_128_GCM_SHA256"},
205     {0x009D, "TLS_RSA_WITH_AES_256_GCM_SHA384"},
206     {0x009E, "TLS_DHE_RSA_WITH_AES_128_GCM_SHA256"},
207     {0x009F, "TLS_DHE_RSA_WITH_AES_256_GCM_SHA384"},
208     {0x00A0, "TLS_DH_RSA_WITH_AES_128_GCM_SHA256"},
209     {0x00A1, "TLS_DH_RSA_WITH_AES_256_GCM_SHA384"},
210     {0x00A2, "TLS_DHE_DSS_WITH_AES_128_GCM_SHA256"},
211     {0x00A3, "TLS_DHE_DSS_WITH_AES_256_GCM_SHA384"},
212     {0x00A4, "TLS_DH_DSS_WITH_AES_128_GCM_SHA256"},
213     {0x00A5, "TLS_DH_DSS_WITH_AES_256_GCM_SHA384"},
214     {0x00A6, "TLS_DH_anon_WITH_AES_128_GCM_SHA256"},
215     {0x00A7, "TLS_DH_anon_WITH_AES_256_GCM_SHA384"},
216     {0x00A8, "TLS_PSK_WITH_AES_128_GCM_SHA256"},
217     {0x00A9, "TLS_PSK_WITH_AES_256_GCM_SHA384"},
218     {0x00AA, "TLS_DHE_PSK_WITH_AES_128_GCM_SHA256"},
219     {0x00AB, "TLS_DHE_PSK_WITH_AES_256_GCM_SHA384"},
220     {0x00AC, "TLS_RSA_PSK_WITH_AES_128_GCM_SHA256"},
221     {0x00AD, "TLS_RSA_PSK_WITH_AES_256_GCM_SHA384"},
222     {0x00AE, "TLS_PSK_WITH_AES_128_CBC_SHA256"},
223     {0x00AF, "TLS_PSK_WITH_AES_256_CBC_SHA384"},
224     {0x00B0, "TLS_PSK_WITH_NULL_SHA256"},
225     {0x00B1, "TLS_PSK_WITH_NULL_SHA384"},
226     {0x00B2, "TLS_DHE_PSK_WITH_AES_128_CBC_SHA256"},
227     {0x00B3, "TLS_DHE_PSK_WITH_AES_256_CBC_SHA384"},
228     {0x00B4, "TLS_DHE_PSK_WITH_NULL_SHA256"},
229     {0x00B5, "TLS_DHE_PSK_WITH_NULL_SHA384"},
230     {0x00B6, "TLS_RSA_PSK_WITH_AES_128_CBC_SHA256"},
231     {0x00B7, "TLS_RSA_PSK_WITH_AES_256_CBC_SHA384"},
232     {0x00B8, "TLS_RSA_PSK_WITH_NULL_SHA256"},
233     {0x00B9, "TLS_RSA_PSK_WITH_NULL_SHA384"},
234     {0x00BA, "TLS_RSA_WITH_CAMELLIA_128_CBC_SHA256"},
235     {0x00BB, "TLS_DH_DSS_WITH_CAMELLIA_128_CBC_SHA256"},
236     {0x00BC, "TLS_DH_RSA_WITH_CAMELLIA_128_CBC_SHA256"},
237     {0x00BD, "TLS_DHE_DSS_WITH_CAMELLIA_128_CBC_SHA256"},
238     {0x00BE, "TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA256"},
239     {0x00BF, "TLS_DH_anon_WITH_CAMELLIA_128_CBC_SHA256"},
240     {0x00C0, "TLS_RSA_WITH_CAMELLIA_256_CBC_SHA256"},
241     {0x00C1, "TLS_DH_DSS_WITH_CAMELLIA_256_CBC_SHA256"},
242     {0x00C2, "TLS_DH_RSA_WITH_CAMELLIA_256_CBC_SHA256"},
243     {0x00C3, "TLS_DHE_DSS_WITH_CAMELLIA_256_CBC_SHA256"},
244     {0x00C4, "TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA256"},
245     {0x00C5, "TLS_DH_anon_WITH_CAMELLIA_256_CBC_SHA256"},
246     {0x00FF, "TLS_EMPTY_RENEGOTIATION_INFO_SCSV"},
247     {0x5600, "TLS_FALLBACK_SCSV"},
248     {0xC001, "TLS_ECDH_ECDSA_WITH_NULL_SHA"},
249     {0xC002, "TLS_ECDH_ECDSA_WITH_RC4_128_SHA"},
250     {0xC003, "TLS_ECDH_ECDSA_WITH_3DES_EDE_CBC_SHA"},
251     {0xC004, "TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA"},
252     {0xC005, "TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA"},
253     {0xC006, "TLS_ECDHE_ECDSA_WITH_NULL_SHA"},
254     {0xC007, "TLS_ECDHE_ECDSA_WITH_RC4_128_SHA"},
255     {0xC008, "TLS_ECDHE_ECDSA_WITH_3DES_EDE_CBC_SHA"},
256     {0xC009, "TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA"},
257     {0xC00A, "TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA"},
258     {0xC00B, "TLS_ECDH_RSA_WITH_NULL_SHA"},
259     {0xC00C, "TLS_ECDH_RSA_WITH_RC4_128_SHA"},
260     {0xC00D, "TLS_ECDH_RSA_WITH_3DES_EDE_CBC_SHA"},
261     {0xC00E, "TLS_ECDH_RSA_WITH_AES_128_CBC_SHA"},
262     {0xC00F, "TLS_ECDH_RSA_WITH_AES_256_CBC_SHA"},
263     {0xC010, "TLS_ECDHE_RSA_WITH_NULL_SHA"},
264     {0xC011, "TLS_ECDHE_RSA_WITH_RC4_128_SHA"},
265     {0xC012, "TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA"},
266     {0xC013, "TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA"},
267     {0xC014, "TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA"},
268     {0xC015, "TLS_ECDH_anon_WITH_NULL_SHA"},
269     {0xC016, "TLS_ECDH_anon_WITH_RC4_128_SHA"},
270     {0xC017, "TLS_ECDH_anon_WITH_3DES_EDE_CBC_SHA"},
271     {0xC018, "TLS_ECDH_anon_WITH_AES_128_CBC_SHA"},
272     {0xC019, "TLS_ECDH_anon_WITH_AES_256_CBC_SHA"},
273     {0xC01A, "TLS_SRP_SHA_WITH_3DES_EDE_CBC_SHA"},
274     {0xC01B, "TLS_SRP_SHA_RSA_WITH_3DES_EDE_CBC_SHA"},
275     {0xC01C, "TLS_SRP_SHA_DSS_WITH_3DES_EDE_CBC_SHA"},
276     {0xC01D, "TLS_SRP_SHA_WITH_AES_128_CBC_SHA"},
277     {0xC01E, "TLS_SRP_SHA_RSA_WITH_AES_128_CBC_SHA"},
278     {0xC01F, "TLS_SRP_SHA_DSS_WITH_AES_128_CBC_SHA"},
279     {0xC020, "TLS_SRP_SHA_WITH_AES_256_CBC_SHA"},
280     {0xC021, "TLS_SRP_SHA_RSA_WITH_AES_256_CBC_SHA"},
281     {0xC022, "TLS_SRP_SHA_DSS_WITH_AES_256_CBC_SHA"},
282     {0xC023, "TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256"},
283     {0xC024, "TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384"},
284     {0xC025, "TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA256"},
285     {0xC026, "TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA384"},
286     {0xC027, "TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256"},
287     {0xC028, "TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384"},
288     {0xC029, "TLS_ECDH_RSA_WITH_AES_128_CBC_SHA256"},
289     {0xC02A, "TLS_ECDH_RSA_WITH_AES_256_CBC_SHA384"},
290     {0xC02B, "TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256"},
291     {0xC02C, "TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384"},
292     {0xC02D, "TLS_ECDH_ECDSA_WITH_AES_128_GCM_SHA256"},
293     {0xC02E, "TLS_ECDH_ECDSA_WITH_AES_256_GCM_SHA384"},
294     {0xC02F, "TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256"},
295     {0xC030, "TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384"},
296     {0xC031, "TLS_ECDH_RSA_WITH_AES_128_GCM_SHA256"},
297     {0xC032, "TLS_ECDH_RSA_WITH_AES_256_GCM_SHA384"},
298     {0xC033, "TLS_ECDHE_PSK_WITH_RC4_128_SHA"},
299     {0xC034, "TLS_ECDHE_PSK_WITH_3DES_EDE_CBC_SHA"},
300     {0xC035, "TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA"},
301     {0xC036, "TLS_ECDHE_PSK_WITH_AES_256_CBC_SHA"},
302     {0xC037, "TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA256"},
303     {0xC038, "TLS_ECDHE_PSK_WITH_AES_256_CBC_SHA384"},
304     {0xC039, "TLS_ECDHE_PSK_WITH_NULL_SHA"},
305     {0xC03A, "TLS_ECDHE_PSK_WITH_NULL_SHA256"},
306     {0xC03B, "TLS_ECDHE_PSK_WITH_NULL_SHA384"},
307     {0xC03C, "TLS_RSA_WITH_ARIA_128_CBC_SHA256"},
308     {0xC03D, "TLS_RSA_WITH_ARIA_256_CBC_SHA384"},
309     {0xC03E, "TLS_DH_DSS_WITH_ARIA_128_CBC_SHA256"},
310     {0xC03F, "TLS_DH_DSS_WITH_ARIA_256_CBC_SHA384"},
311     {0xC040, "TLS_DH_RSA_WITH_ARIA_128_CBC_SHA256"},
312     {0xC041, "TLS_DH_RSA_WITH_ARIA_256_CBC_SHA384"},
313     {0xC042, "TLS_DHE_DSS_WITH_ARIA_128_CBC_SHA256"},
314     {0xC043, "TLS_DHE_DSS_WITH_ARIA_256_CBC_SHA384"},
315     {0xC044, "TLS_DHE_RSA_WITH_ARIA_128_CBC_SHA256"},
316     {0xC045, "TLS_DHE_RSA_WITH_ARIA_256_CBC_SHA384"},
317     {0xC046, "TLS_DH_anon_WITH_ARIA_128_CBC_SHA256"},
318     {0xC047, "TLS_DH_anon_WITH_ARIA_256_CBC_SHA384"},
319     {0xC048, "TLS_ECDHE_ECDSA_WITH_ARIA_128_CBC_SHA256"},
320     {0xC049, "TLS_ECDHE_ECDSA_WITH_ARIA_256_CBC_SHA384"},
321     {0xC04A, "TLS_ECDH_ECDSA_WITH_ARIA_128_CBC_SHA256"},
322     {0xC04B, "TLS_ECDH_ECDSA_WITH_ARIA_256_CBC_SHA384"},
323     {0xC04C, "TLS_ECDHE_RSA_WITH_ARIA_128_CBC_SHA256"},
324     {0xC04D, "TLS_ECDHE_RSA_WITH_ARIA_256_CBC_SHA384"},
325     {0xC04E, "TLS_ECDH_RSA_WITH_ARIA_128_CBC_SHA256"},
326     {0xC04F, "TLS_ECDH_RSA_WITH_ARIA_256_CBC_SHA384"},
327     {0xC050, "TLS_RSA_WITH_ARIA_128_GCM_SHA256"},
328     {0xC051, "TLS_RSA_WITH_ARIA_256_GCM_SHA384"},
329     {0xC052, "TLS_DHE_RSA_WITH_ARIA_128_GCM_SHA256"},
330     {0xC053, "TLS_DHE_RSA_WITH_ARIA_256_GCM_SHA384"},
331     {0xC054, "TLS_DH_RSA_WITH_ARIA_128_GCM_SHA256"},
332     {0xC055, "TLS_DH_RSA_WITH_ARIA_256_GCM_SHA384"},
333     {0xC056, "TLS_DHE_DSS_WITH_ARIA_128_GCM_SHA256"},
334     {0xC057, "TLS_DHE_DSS_WITH_ARIA_256_GCM_SHA384"},
335     {0xC058, "TLS_DH_DSS_WITH_ARIA_128_GCM_SHA256"},
336     {0xC059, "TLS_DH_DSS_WITH_ARIA_256_GCM_SHA384"},
337     {0xC05A, "TLS_DH_anon_WITH_ARIA_128_GCM_SHA256"},
338     {0xC05B, "TLS_DH_anon_WITH_ARIA_256_GCM_SHA384"},
339     {0xC05C, "TLS_ECDHE_ECDSA_WITH_ARIA_128_GCM_SHA256"},
340     {0xC05D, "TLS_ECDHE_ECDSA_WITH_ARIA_256_GCM_SHA384"},
341     {0xC05E, "TLS_ECDH_ECDSA_WITH_ARIA_128_GCM_SHA256"},
342     {0xC05F, "TLS_ECDH_ECDSA_WITH_ARIA_256_GCM_SHA384"},
343     {0xC060, "TLS_ECDHE_RSA_WITH_ARIA_128_GCM_SHA256"},
344     {0xC061, "TLS_ECDHE_RSA_WITH_ARIA_256_GCM_SHA384"},
345     {0xC062, "TLS_ECDH_RSA_WITH_ARIA_128_GCM_SHA256"},
346     {0xC063, "TLS_ECDH_RSA_WITH_ARIA_256_GCM_SHA384"},
347     {0xC064, "TLS_PSK_WITH_ARIA_128_CBC_SHA256"},
348     {0xC065, "TLS_PSK_WITH_ARIA_256_CBC_SHA384"},
349     {0xC066, "TLS_DHE_PSK_WITH_ARIA_128_CBC_SHA256"},
350     {0xC067, "TLS_DHE_PSK_WITH_ARIA_256_CBC_SHA384"},
351     {0xC068, "TLS_RSA_PSK_WITH_ARIA_128_CBC_SHA256"},
352     {0xC069, "TLS_RSA_PSK_WITH_ARIA_256_CBC_SHA384"},
353     {0xC06A, "TLS_PSK_WITH_ARIA_128_GCM_SHA256"},
354     {0xC06B, "TLS_PSK_WITH_ARIA_256_GCM_SHA384"},
355     {0xC06C, "TLS_DHE_PSK_WITH_ARIA_128_GCM_SHA256"},
356     {0xC06D, "TLS_DHE_PSK_WITH_ARIA_256_GCM_SHA384"},
357     {0xC06E, "TLS_RSA_PSK_WITH_ARIA_128_GCM_SHA256"},
358     {0xC06F, "TLS_RSA_PSK_WITH_ARIA_256_GCM_SHA384"},
359     {0xC070, "TLS_ECDHE_PSK_WITH_ARIA_128_CBC_SHA256"},
360     {0xC071, "TLS_ECDHE_PSK_WITH_ARIA_256_CBC_SHA384"},
361     {0xC072, "TLS_ECDHE_ECDSA_WITH_CAMELLIA_128_CBC_SHA256"},
362     {0xC073, "TLS_ECDHE_ECDSA_WITH_CAMELLIA_256_CBC_SHA384"},
363     {0xC074, "TLS_ECDH_ECDSA_WITH_CAMELLIA_128_CBC_SHA256"},
364     {0xC075, "TLS_ECDH_ECDSA_WITH_CAMELLIA_256_CBC_SHA384"},
365     {0xC076, "TLS_ECDHE_RSA_WITH_CAMELLIA_128_CBC_SHA256"},
366     {0xC077, "TLS_ECDHE_RSA_WITH_CAMELLIA_256_CBC_SHA384"},
367     {0xC078, "TLS_ECDH_RSA_WITH_CAMELLIA_128_CBC_SHA256"},
368     {0xC079, "TLS_ECDH_RSA_WITH_CAMELLIA_256_CBC_SHA384"},
369     {0xC07A, "TLS_RSA_WITH_CAMELLIA_128_GCM_SHA256"},
370     {0xC07B, "TLS_RSA_WITH_CAMELLIA_256_GCM_SHA384"},
371     {0xC07C, "TLS_DHE_RSA_WITH_CAMELLIA_128_GCM_SHA256"},
372     {0xC07D, "TLS_DHE_RSA_WITH_CAMELLIA_256_GCM_SHA384"},
373     {0xC07E, "TLS_DH_RSA_WITH_CAMELLIA_128_GCM_SHA256"},
374     {0xC07F, "TLS_DH_RSA_WITH_CAMELLIA_256_GCM_SHA384"},
375     {0xC080, "TLS_DHE_DSS_WITH_CAMELLIA_128_GCM_SHA256"},
376     {0xC081, "TLS_DHE_DSS_WITH_CAMELLIA_256_GCM_SHA384"},
377     {0xC082, "TLS_DH_DSS_WITH_CAMELLIA_128_GCM_SHA256"},
378     {0xC083, "TLS_DH_DSS_WITH_CAMELLIA_256_GCM_SHA384"},
379     {0xC084, "TLS_DH_anon_WITH_CAMELLIA_128_GCM_SHA256"},
380     {0xC085, "TLS_DH_anon_WITH_CAMELLIA_256_GCM_SHA384"},
381     {0xC086, "TLS_ECDHE_ECDSA_WITH_CAMELLIA_128_GCM_SHA256"},
382     {0xC087, "TLS_ECDHE_ECDSA_WITH_CAMELLIA_256_GCM_SHA384"},
383     {0xC088, "TLS_ECDH_ECDSA_WITH_CAMELLIA_128_GCM_SHA256"},
384     {0xC089, "TLS_ECDH_ECDSA_WITH_CAMELLIA_256_GCM_SHA384"},
385     {0xC08A, "TLS_ECDHE_RSA_WITH_CAMELLIA_128_GCM_SHA256"},
386     {0xC08B, "TLS_ECDHE_RSA_WITH_CAMELLIA_256_GCM_SHA384"},
387     {0xC08C, "TLS_ECDH_RSA_WITH_CAMELLIA_128_GCM_SHA256"},
388     {0xC08D, "TLS_ECDH_RSA_WITH_CAMELLIA_256_GCM_SHA384"},
389     {0xC08E, "TLS_PSK_WITH_CAMELLIA_128_GCM_SHA256"},
390     {0xC08F, "TLS_PSK_WITH_CAMELLIA_256_GCM_SHA384"},
391     {0xC090, "TLS_DHE_PSK_WITH_CAMELLIA_128_GCM_SHA256"},
392     {0xC091, "TLS_DHE_PSK_WITH_CAMELLIA_256_GCM_SHA384"},
393     {0xC092, "TLS_RSA_PSK_WITH_CAMELLIA_128_GCM_SHA256"},
394     {0xC093, "TLS_RSA_PSK_WITH_CAMELLIA_256_GCM_SHA384"},
395     {0xC094, "TLS_PSK_WITH_CAMELLIA_128_CBC_SHA256"},
396     {0xC095, "TLS_PSK_WITH_CAMELLIA_256_CBC_SHA384"},
397     {0xC096, "TLS_DHE_PSK_WITH_CAMELLIA_128_CBC_SHA256"},
398     {0xC097, "TLS_DHE_PSK_WITH_CAMELLIA_256_CBC_SHA384"},
399     {0xC098, "TLS_RSA_PSK_WITH_CAMELLIA_128_CBC_SHA256"},
400     {0xC099, "TLS_RSA_PSK_WITH_CAMELLIA_256_CBC_SHA384"},
401     {0xC09A, "TLS_ECDHE_PSK_WITH_CAMELLIA_128_CBC_SHA256"},
402     {0xC09B, "TLS_ECDHE_PSK_WITH_CAMELLIA_256_CBC_SHA384"},
403     {0xC09C, "TLS_RSA_WITH_AES_128_CCM"},
404     {0xC09D, "TLS_RSA_WITH_AES_256_CCM"},
405     {0xC09E, "TLS_DHE_RSA_WITH_AES_128_CCM"},
406     {0xC09F, "TLS_DHE_RSA_WITH_AES_256_CCM"},
407     {0xC0A0, "TLS_RSA_WITH_AES_128_CCM_8"},
408     {0xC0A1, "TLS_RSA_WITH_AES_256_CCM_8"},
409     {0xC0A2, "TLS_DHE_RSA_WITH_AES_128_CCM_8"},
410     {0xC0A3, "TLS_DHE_RSA_WITH_AES_256_CCM_8"},
411     {0xC0A4, "TLS_PSK_WITH_AES_128_CCM"},
412     {0xC0A5, "TLS_PSK_WITH_AES_256_CCM"},
413     {0xC0A6, "TLS_DHE_PSK_WITH_AES_128_CCM"},
414     {0xC0A7, "TLS_DHE_PSK_WITH_AES_256_CCM"},
415     {0xC0A8, "TLS_PSK_WITH_AES_128_CCM_8"},
416     {0xC0A9, "TLS_PSK_WITH_AES_256_CCM_8"},
417     {0xC0AA, "TLS_PSK_DHE_WITH_AES_128_CCM_8"},
418     {0xC0AB, "TLS_PSK_DHE_WITH_AES_256_CCM_8"},
419     {0xC0AC, "TLS_ECDHE_ECDSA_WITH_AES_128_CCM"},
420     {0xC0AD, "TLS_ECDHE_ECDSA_WITH_AES_256_CCM"},
421     {0xC0AE, "TLS_ECDHE_ECDSA_WITH_AES_128_CCM_8"},
422     {0xC0AF, "TLS_ECDHE_ECDSA_WITH_AES_256_CCM_8"},
423     {0xCCA8, "TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305"},
424     {0xCCA9, "TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305"},
425     {0xCCAA, "TLS_DHE_RSA_WITH_CHACHA20_POLY1305"},
426     {0xCCAB, "TLS_PSK_WITH_CHACHA20_POLY1305"},
427     {0xCCAC, "TLS_ECDHE_PSK_WITH_CHACHA20_POLY1305"},
428     {0xCCAD, "TLS_DHE_PSK_WITH_CHACHA20_POLY1305"},
429     {0xCCAE, "TLS_RSA_PSK_WITH_CHACHA20_POLY1305"},
430     {0x1301, "TLS_AES_128_GCM_SHA256"},
431     {0xFEFE, "SSL_RSA_FIPS_WITH_DES_CBC_SHA"},
432     {0xFEFF, "SSL_RSA_FIPS_WITH_3DES_EDE_CBC_SHA"},
433 };
434
435 /* Compression methods */
436 static ssl_trace_tbl ssl_comp_tbl[] = {
437     {0x0000, "No Compression"},
438     {0x0001, "Zlib Compression"}
439 };
440
441 /* Extensions */
442 static ssl_trace_tbl ssl_exts_tbl[] = {
443     {TLSEXT_TYPE_server_name, "server_name"},
444     {TLSEXT_TYPE_max_fragment_length, "max_fragment_length"},
445     {TLSEXT_TYPE_client_certificate_url, "client_certificate_url"},
446     {TLSEXT_TYPE_trusted_ca_keys, "trusted_ca_keys"},
447     {TLSEXT_TYPE_truncated_hmac, "truncated_hmac"},
448     {TLSEXT_TYPE_status_request, "status_request"},
449     {TLSEXT_TYPE_user_mapping, "user_mapping"},
450     {TLSEXT_TYPE_client_authz, "client_authz"},
451     {TLSEXT_TYPE_server_authz, "server_authz"},
452     {TLSEXT_TYPE_cert_type, "cert_type"},
453     {TLSEXT_TYPE_key_share, "key_share"},
454     {TLSEXT_TYPE_psk_kex_modes, "psk_key_exchange_modes"},
455     {TLSEXT_TYPE_supported_groups, "supported_groups"},
456     {TLSEXT_TYPE_ec_point_formats, "ec_point_formats"},
457     {TLSEXT_TYPE_srp, "srp"},
458     {TLSEXT_TYPE_signature_algorithms, "signature_algorithms"},
459     {TLSEXT_TYPE_use_srtp, "use_srtp"},
460     {TLSEXT_TYPE_session_ticket, "session_ticket"},
461     {TLSEXT_TYPE_supported_versions, "supported_versions"},
462     {TLSEXT_TYPE_renegotiate, "renegotiate"},
463 # ifndef OPENSSL_NO_NEXTPROTONEG
464     {TLSEXT_TYPE_next_proto_neg, "next_proto_neg"},
465 # endif
466     {TLSEXT_TYPE_signed_certificate_timestamp, "signed_certificate_timestamps"},
467     {TLSEXT_TYPE_padding, "padding"},
468     {TLSEXT_TYPE_encrypt_then_mac, "encrypt_then_mac"},
469     {TLSEXT_TYPE_extended_master_secret, "extended_master_secret"}
470 };
471
472 static ssl_trace_tbl ssl_groups_tbl[] = {
473     {1, "sect163k1 (K-163)"},
474     {2, "sect163r1"},
475     {3, "sect163r2 (B-163)"},
476     {4, "sect193r1"},
477     {5, "sect193r2"},
478     {6, "sect233k1 (K-233)"},
479     {7, "sect233r1 (B-233)"},
480     {8, "sect239k1"},
481     {9, "sect283k1 (K-283)"},
482     {10, "sect283r1 (B-283)"},
483     {11, "sect409k1 (K-409)"},
484     {12, "sect409r1 (B-409)"},
485     {13, "sect571k1 (K-571)"},
486     {14, "sect571r1 (B-571)"},
487     {15, "secp160k1"},
488     {16, "secp160r1"},
489     {17, "secp160r2"},
490     {18, "secp192k1"},
491     {19, "secp192r1 (P-192)"},
492     {20, "secp224k1"},
493     {21, "secp224r1 (P-224)"},
494     {22, "secp256k1"},
495     {23, "secp256r1 (P-256)"},
496     {24, "secp384r1 (P-384)"},
497     {25, "secp521r1 (P-521)"},
498     {26, "brainpoolP256r1"},
499     {27, "brainpoolP384r1"},
500     {28, "brainpoolP512r1"},
501     {29, "ecdh_x25519"},
502     {0xFF01, "arbitrary_explicit_prime_curves"},
503     {0xFF02, "arbitrary_explicit_char2_curves"}
504 };
505
506 static ssl_trace_tbl ssl_point_tbl[] = {
507     {0, "uncompressed"},
508     {1, "ansiX962_compressed_prime"},
509     {2, "ansiX962_compressed_char2"}
510 };
511
512 static ssl_trace_tbl ssl_sigalg_tbl[] = {
513     {TLSEXT_SIGALG_ecdsa_secp256r1_sha256, "ecdsa_secp256r1_sha256"},
514     {TLSEXT_SIGALG_ecdsa_secp384r1_sha384, "ecdsa_secp384r1_sha384"},
515     {TLSEXT_SIGALG_ecdsa_secp521r1_sha512, "ecdsa_secp521r1_sha512"},
516     {TLSEXT_SIGALG_ecdsa_sha1, "ecdsa_sha1"},
517     {TLSEXT_SIGALG_rsa_pss_sha256, "rsa_pss_sha256"},
518     {TLSEXT_SIGALG_rsa_pss_sha384, "rsa_pss_sha384"},
519     {TLSEXT_SIGALG_rsa_pss_sha512, "rsa_pss_sha512"},
520     {TLSEXT_SIGALG_rsa_pkcs1_sha256, "rsa_pkcs1_sha256"},
521     {TLSEXT_SIGALG_rsa_pkcs1_sha384, "rsa_pkcs1_sha384"},
522     {TLSEXT_SIGALG_rsa_pkcs1_sha512, "rsa_pkcs1_sha512"},
523     {TLSEXT_SIGALG_rsa_pkcs1_sha1, "rsa_pkcs1_sha1"},
524     {TLSEXT_SIGALG_dsa_sha256, "dsa_sha256"},
525     {TLSEXT_SIGALG_dsa_sha384, "dsa_sha384"},
526     {TLSEXT_SIGALG_dsa_sha512, "dsa_sha512"},
527     {TLSEXT_SIGALG_dsa_sha1, "dsa_sha1"},
528     {TLSEXT_SIGALG_gostr34102012_256_gostr34112012_256, "gost2012_256"},
529     {TLSEXT_SIGALG_gostr34102012_512_gostr34112012_512, "gost2012_512"},
530     {TLSEXT_SIGALG_gostr34102001_gostr3411, "gost2001_gost94"},
531 };
532
533 static ssl_trace_tbl ssl_ctype_tbl[] = {
534     {1, "rsa_sign"},
535     {2, "dss_sign"},
536     {3, "rsa_fixed_dh"},
537     {4, "dss_fixed_dh"},
538     {5, "rsa_ephemeral_dh"},
539     {6, "dss_ephemeral_dh"},
540     {20, "fortezza_dms"},
541     {64, "ecdsa_sign"},
542     {65, "rsa_fixed_ecdh"},
543     {66, "ecdsa_fixed_ecdh"}
544 };
545
546 static ssl_trace_tbl ssl_psk_kex_modes_tbl[] = {
547     {TLSEXT_KEX_MODE_KE, "psk_ke"},
548     {TLSEXT_KEX_MODE_KE_DHE, "psk_dhe_ke"}
549 };
550
551 static ssl_trace_tbl ssl_crypto_tbl[] = {
552     {TLS1_RT_CRYPTO_PREMASTER, "Premaster Secret"},
553     {TLS1_RT_CRYPTO_CLIENT_RANDOM, "Client Random"},
554     {TLS1_RT_CRYPTO_SERVER_RANDOM, "Server Random"},
555     {TLS1_RT_CRYPTO_MASTER, "Master Secret"},
556     {TLS1_RT_CRYPTO_MAC | TLS1_RT_CRYPTO_WRITE, "Write Mac Secret"},
557     {TLS1_RT_CRYPTO_MAC | TLS1_RT_CRYPTO_READ, "Read Mac Secret"},
558     {TLS1_RT_CRYPTO_KEY | TLS1_RT_CRYPTO_WRITE, "Write Key"},
559     {TLS1_RT_CRYPTO_KEY | TLS1_RT_CRYPTO_READ, "Read Key"},
560     {TLS1_RT_CRYPTO_IV | TLS1_RT_CRYPTO_WRITE, "Write IV"},
561     {TLS1_RT_CRYPTO_IV | TLS1_RT_CRYPTO_READ, "Read IV"},
562     {TLS1_RT_CRYPTO_FIXED_IV | TLS1_RT_CRYPTO_WRITE, "Write IV (fixed part)"},
563     {TLS1_RT_CRYPTO_FIXED_IV | TLS1_RT_CRYPTO_READ, "Read IV (fixed part)"}
564 };
565
566 static ssl_trace_tbl ssl_key_update_tbl[] = {
567     {SSL_KEY_UPDATE_NOT_REQUESTED, "update_not_requested"},
568     {SSL_KEY_UPDATE_REQUESTED, "update_requested"}
569 };
570
571 static void ssl_print_hex(BIO *bio, int indent, const char *name,
572                           const unsigned char *msg, size_t msglen)
573 {
574     size_t i;
575     BIO_indent(bio, indent, 80);
576     BIO_printf(bio, "%s (len=%d): ", name, (int)msglen);
577     for (i = 0; i < msglen; i++)
578         BIO_printf(bio, "%02X", msg[i]);
579     BIO_puts(bio, "\n");
580 }
581
582 static int ssl_print_hexbuf(BIO *bio, int indent,
583                             const char *name, size_t nlen,
584                             const unsigned char **pmsg, size_t *pmsglen)
585 {
586     size_t blen;
587     const unsigned char *p = *pmsg;
588     if (*pmsglen < nlen)
589         return 0;
590     blen = p[0];
591     if (nlen > 1)
592         blen = (blen << 8) | p[1];
593     if (*pmsglen < nlen + blen)
594         return 0;
595     p += nlen;
596     ssl_print_hex(bio, indent, name, p, blen);
597     *pmsg += blen + nlen;
598     *pmsglen -= blen + nlen;
599     return 1;
600 }
601
602 static int ssl_print_version(BIO *bio, int indent, const char *name,
603                              const unsigned char **pmsg, size_t *pmsglen,
604                              unsigned int *version)
605 {
606     int vers;
607
608     if (*pmsglen < 2)
609         return 0;
610     vers = ((*pmsg)[0] << 8) | (*pmsg)[1];
611     if (version != NULL) {
612         /* TODO(TLS1.3): Remove the draft conditional here before release */
613         *version = (vers == TLS1_3_VERSION_DRAFT) ? TLS1_3_VERSION : vers;
614     }
615     BIO_indent(bio, indent, 80);
616     BIO_printf(bio, "%s=0x%x (%s)\n",
617                name, vers, ssl_trace_str(vers, ssl_version_tbl));
618     *pmsg += 2;
619     *pmsglen -= 2;
620     return 1;
621 }
622
623 static int ssl_print_random(BIO *bio, int indent,
624                             const unsigned char **pmsg, size_t *pmsglen)
625 {
626     unsigned int tm;
627     const unsigned char *p = *pmsg;
628     if (*pmsglen < 32)
629         return 0;
630     tm = (p[0] << 24) | (p[1] << 16) | (p[2] << 8) | p[3];
631     p += 4;
632     BIO_indent(bio, indent, 80);
633     BIO_puts(bio, "Random:\n");
634     BIO_indent(bio, indent + 2, 80);
635     BIO_printf(bio, "gmt_unix_time=0x%08X\n", tm);
636     ssl_print_hex(bio, indent + 2, "random_bytes", p, 28);
637     *pmsg += 32;
638     *pmsglen -= 32;
639     return 1;
640 }
641
642 static int ssl_print_signature(BIO *bio, int indent, SSL *s,
643                                const unsigned char **pmsg, size_t *pmsglen)
644 {
645     if (*pmsglen < 2)
646         return 0;
647     if (SSL_USE_SIGALGS(s)) {
648         const unsigned char *p = *pmsg;
649         unsigned int sigalg = (p[0] << 8) | p[1];
650
651         BIO_indent(bio, indent, 80);
652         BIO_printf(bio, "Signature Algorithm: %s (0x%04x)\n",
653                    ssl_trace_str(sigalg, ssl_sigalg_tbl), sigalg);
654         *pmsg += 2;
655         *pmsglen -= 2;
656     }
657     return ssl_print_hexbuf(bio, indent, "Signature", 2, pmsg, pmsglen);
658 }
659
660 static int ssl_print_extension(BIO *bio, int indent, int server,
661                                unsigned char mt, int extype,
662                                const unsigned char *ext, size_t extlen)
663 {
664     size_t xlen, share_len;
665     unsigned int sigalg;
666
667     BIO_indent(bio, indent, 80);
668     BIO_printf(bio, "extension_type=%s(%d), length=%d\n",
669                ssl_trace_str(extype, ssl_exts_tbl), extype, (int)extlen);
670     switch (extype) {
671     case TLSEXT_TYPE_ec_point_formats:
672         if (extlen < 1)
673             return 0;
674         xlen = ext[0];
675         if (extlen != xlen + 1)
676             return 0;
677         return ssl_trace_list(bio, indent + 2, ext + 1, xlen, 1, ssl_point_tbl);
678
679     case TLSEXT_TYPE_supported_groups:
680         if (extlen < 2)
681             return 0;
682         xlen = (ext[0] << 8) | ext[1];
683         if (extlen != xlen + 2)
684             return 0;
685         return ssl_trace_list(bio, indent + 2, ext + 2, xlen, 2, ssl_groups_tbl);
686
687     case TLSEXT_TYPE_signature_algorithms:
688
689         if (extlen < 2)
690             return 0;
691         xlen = (ext[0] << 8) | ext[1];
692         if (extlen != xlen + 2)
693             return 0;
694         if (xlen & 1)
695             return 0;
696         ext += 2;
697         while (xlen > 0) {
698             BIO_indent(bio, indent + 2, 80);
699             sigalg = (ext[0] << 8) | ext[1];
700             BIO_printf(bio, "%s (0x%04x)\n",
701                        ssl_trace_str(sigalg, ssl_sigalg_tbl), sigalg);
702             xlen -= 2;
703             ext += 2;
704         }
705         break;
706
707     case TLSEXT_TYPE_renegotiate:
708         if (extlen < 1)
709             return 0;
710         xlen = ext[0];
711         if (xlen + 1 != extlen)
712             return 0;
713         ext++;
714         if (xlen) {
715             if (server) {
716                 if (xlen & 1)
717                     return 0;
718                 xlen >>= 1;
719             }
720             ssl_print_hex(bio, indent + 4, "client_verify_data", ext, xlen);
721             if (server) {
722                 ext += xlen;
723                 ssl_print_hex(bio, indent + 4, "server_verify_data", ext, xlen);
724             }
725         } else {
726             BIO_indent(bio, indent + 4, 80);
727             BIO_puts(bio, "<EMPTY>\n");
728         }
729         break;
730
731     case TLSEXT_TYPE_heartbeat:
732         return 0;
733
734     case TLSEXT_TYPE_session_ticket:
735         if (extlen != 0)
736             ssl_print_hex(bio, indent + 4, "ticket", ext, extlen);
737         break;
738
739     case TLSEXT_TYPE_key_share:
740         if (mt == SSL3_MT_HELLO_RETRY_REQUEST) {
741             int group_id;
742
743             if (extlen != 2)
744                 return 0;
745             group_id = (ext[0] << 8) | ext[1];
746             BIO_indent(bio, indent + 4, 80);
747             BIO_printf(bio, "NamedGroup: %s\n",
748                        ssl_trace_str(group_id, ssl_groups_tbl));
749             break;
750         }
751         if (extlen < 2)
752             return 0;
753         if (server) {
754             xlen = extlen;
755         } else {
756             xlen = (ext[0] << 8) | ext[1];
757             if (extlen != xlen + 2)
758                 return 0;
759             ext += 2;
760         }
761         for (; xlen > 0; ext += share_len, xlen -= share_len) {
762             int group_id;
763
764             if (xlen < 4)
765                 return 0;
766             group_id = (ext[0] << 8) | ext[1];
767             share_len = (ext[2] << 8) | ext[3];
768             ext += 4;
769             xlen -= 4;
770             if (xlen < share_len)
771                 return 0;
772             BIO_indent(bio, indent + 4, 80);
773             BIO_printf(bio, "NamedGroup: %s\n",
774                        ssl_trace_str(group_id, ssl_groups_tbl));
775             ssl_print_hex(bio, indent + 4, "key_exchange: ", ext, share_len);
776         }
777         break;
778
779     case TLSEXT_TYPE_supported_versions:
780         if (extlen < 1)
781             return 0;
782         xlen = ext[0];
783         if (extlen != xlen + 1)
784             return 0;
785         return ssl_trace_list(bio, indent + 2, ext + 1, xlen, 2,
786                               ssl_version_tbl);
787
788     case TLSEXT_TYPE_psk_kex_modes:
789         if (extlen < 1)
790             return 0;
791         xlen = ext[0];
792         if (extlen != xlen + 1)
793             return 0;
794         return ssl_trace_list(bio, indent + 2, ext + 1, xlen, 1,
795                               ssl_psk_kex_modes_tbl);
796
797     default:
798         BIO_dump_indent(bio, (const char *)ext, extlen, indent + 2);
799     }
800     return 1;
801 }
802
803 static int ssl_print_extensions(BIO *bio, int indent, int server,
804                                 unsigned char mt, const unsigned char **msgin,
805                                 size_t *msginlen)
806 {
807     size_t extslen, msglen = *msginlen;
808     const unsigned char *msg = *msgin;
809
810     BIO_indent(bio, indent, 80);
811     if (msglen == 0) {
812         BIO_puts(bio, "No Extensions\n");
813         return 1;
814     }
815     extslen = (msg[0] << 8) | msg[1];
816     if (extslen != msglen - 2)
817         return 0;
818     msg += 2;
819     msglen = extslen;
820     BIO_printf(bio, "extensions, length = %d\n", (int)msglen);
821     while (msglen > 0) {
822         int extype;
823         size_t extlen;
824         if (msglen < 4)
825             return 0;
826         extype = (msg[0] << 8) | msg[1];
827         extlen = (msg[2] << 8) | msg[3];
828         if (msglen < extlen + 4)
829             return 0;
830         msg += 4;
831         if (!ssl_print_extension(bio, indent + 2, server, mt, extype, msg,
832                                  extlen))
833             return 0;
834         msg += extlen;
835         msglen -= extlen + 4;
836     }
837
838     *msgin = msg;
839     *msginlen = msglen;
840     return 1;
841 }
842
843 static int ssl_print_client_hello(BIO *bio, SSL *ssl, int indent,
844                                   const unsigned char *msg, size_t msglen)
845 {
846     size_t len;
847     unsigned int cs;
848     if (!ssl_print_version(bio, indent, "client_version", &msg, &msglen, NULL))
849         return 0;
850     if (!ssl_print_random(bio, indent, &msg, &msglen))
851         return 0;
852     if (!ssl_print_hexbuf(bio, indent, "session_id", 1, &msg, &msglen))
853         return 0;
854     if (SSL_IS_DTLS(ssl)) {
855         if (!ssl_print_hexbuf(bio, indent, "cookie", 1, &msg, &msglen))
856             return 0;
857     }
858     if (msglen < 2)
859         return 0;
860     len = (msg[0] << 8) | msg[1];
861     msg += 2;
862     msglen -= 2;
863     BIO_indent(bio, indent, 80);
864     BIO_printf(bio, "cipher_suites (len=%d)\n", (int)len);
865     if (msglen < len || len & 1)
866         return 0;
867     while (len > 0) {
868         cs = (msg[0] << 8) | msg[1];
869         BIO_indent(bio, indent + 2, 80);
870         BIO_printf(bio, "{0x%02X, 0x%02X} %s\n",
871                    msg[0], msg[1], ssl_trace_str(cs, ssl_ciphers_tbl));
872         msg += 2;
873         msglen -= 2;
874         len -= 2;
875     }
876     if (msglen < 1)
877         return 0;
878     len = msg[0];
879     msg++;
880     msglen--;
881     if (msglen < len)
882         return 0;
883     BIO_indent(bio, indent, 80);
884     BIO_printf(bio, "compression_methods (len=%d)\n", (int)len);
885     while (len > 0) {
886         BIO_indent(bio, indent + 2, 80);
887         BIO_printf(bio, "%s (0x%02X)\n",
888                    ssl_trace_str(msg[0], ssl_comp_tbl), msg[0]);
889         msg++;
890         msglen--;
891         len--;
892     }
893     if (!ssl_print_extensions(bio, indent, 0, SSL3_MT_CLIENT_HELLO, &msg,
894                               &msglen))
895         return 0;
896     return 1;
897 }
898
899 static int dtls_print_hello_vfyrequest(BIO *bio, int indent,
900                                        const unsigned char *msg, size_t msglen)
901 {
902     if (!ssl_print_version(bio, indent, "server_version", &msg, &msglen, NULL))
903         return 0;
904     if (!ssl_print_hexbuf(bio, indent, "cookie", 1, &msg, &msglen))
905         return 0;
906     return 1;
907 }
908
909 static int ssl_print_server_hello(BIO *bio, int indent,
910                                   const unsigned char *msg, size_t msglen)
911 {
912     unsigned int cs;
913     unsigned int vers;
914
915     if (!ssl_print_version(bio, indent, "server_version", &msg, &msglen, &vers))
916         return 0;
917     if (!ssl_print_random(bio, indent, &msg, &msglen))
918         return 0;
919     if (vers != TLS1_3_VERSION
920             && !ssl_print_hexbuf(bio, indent, "session_id", 1, &msg, &msglen))
921         return 0;
922     if (msglen < 2)
923         return 0;
924     cs = (msg[0] << 8) | msg[1];
925     BIO_indent(bio, indent, 80);
926     BIO_printf(bio, "cipher_suite {0x%02X, 0x%02X} %s\n",
927                msg[0], msg[1], ssl_trace_str(cs, ssl_ciphers_tbl));
928     msg += 2;
929     msglen -= 2;
930     if (vers != TLS1_3_VERSION) {
931         if (msglen < 1)
932             return 0;
933         BIO_indent(bio, indent, 80);
934         BIO_printf(bio, "compression_method: %s (0x%02X)\n",
935                    ssl_trace_str(msg[0], ssl_comp_tbl), msg[0]);
936         msg++;
937         msglen--;
938     }
939     if (!ssl_print_extensions(bio, indent, 1, SSL3_MT_SERVER_HELLO, &msg,
940                               &msglen))
941         return 0;
942     return 1;
943 }
944
945 static int ssl_get_keyex(const char **pname, SSL *ssl)
946 {
947     unsigned long alg_k = ssl->s3->tmp.new_cipher->algorithm_mkey;
948     if (alg_k & SSL_kRSA) {
949         *pname = "rsa";
950         return SSL_kRSA;
951     }
952     if (alg_k & SSL_kDHE) {
953         *pname = "DHE";
954         return SSL_kDHE;
955     }
956     if (alg_k & SSL_kECDHE) {
957         *pname = "ECDHE";
958         return SSL_kECDHE;
959     }
960     if (alg_k & SSL_kPSK) {
961         *pname = "PSK";
962         return SSL_kPSK;
963     }
964     if (alg_k & SSL_kRSAPSK) {
965         *pname = "RSAPSK";
966         return SSL_kRSAPSK;
967     }
968     if (alg_k & SSL_kDHEPSK) {
969         *pname = "DHEPSK";
970         return SSL_kDHEPSK;
971     }
972     if (alg_k & SSL_kECDHEPSK) {
973         *pname = "ECDHEPSK";
974         return SSL_kECDHEPSK;
975     }
976     if (alg_k & SSL_kSRP) {
977         *pname = "SRP";
978         return SSL_kSRP;
979     }
980     if (alg_k & SSL_kGOST) {
981         *pname = "GOST";
982         return SSL_kGOST;
983     }
984     *pname = "UNKNOWN";
985     return 0;
986 }
987
988 static int ssl_print_client_keyex(BIO *bio, int indent, SSL *ssl,
989                                   const unsigned char *msg, size_t msglen)
990 {
991     const char *algname;
992     int id;
993     id = ssl_get_keyex(&algname, ssl);
994     BIO_indent(bio, indent, 80);
995     BIO_printf(bio, "KeyExchangeAlgorithm=%s\n", algname);
996     if (id & SSL_PSK) {
997         if (!ssl_print_hexbuf(bio, indent + 2,
998                               "psk_identity", 2, &msg, &msglen))
999             return 0;
1000     }
1001     switch (id) {
1002
1003     case SSL_kRSA:
1004     case SSL_kRSAPSK:
1005         if (TLS1_get_version(ssl) == SSL3_VERSION) {
1006             ssl_print_hex(bio, indent + 2,
1007                           "EncyptedPreMasterSecret", msg, msglen);
1008         } else {
1009             if (!ssl_print_hexbuf(bio, indent + 2,
1010                                   "EncyptedPreMasterSecret", 2, &msg, &msglen))
1011                 return 0;
1012         }
1013         break;
1014
1015     case SSL_kDHE:
1016     case SSL_kDHEPSK:
1017         if (!ssl_print_hexbuf(bio, indent + 2, "dh_Yc", 2, &msg, &msglen))
1018             return 0;
1019         break;
1020
1021     case SSL_kECDHE:
1022     case SSL_kECDHEPSK:
1023         if (!ssl_print_hexbuf(bio, indent + 2, "ecdh_Yc", 1, &msg, &msglen))
1024             return 0;
1025         break;
1026
1027     }
1028
1029     return !msglen;
1030 }
1031
1032 static int ssl_print_server_keyex(BIO *bio, int indent, SSL *ssl,
1033                                   const unsigned char *msg, size_t msglen)
1034 {
1035     const char *algname;
1036     int id;
1037     id = ssl_get_keyex(&algname, ssl);
1038     BIO_indent(bio, indent, 80);
1039     BIO_printf(bio, "KeyExchangeAlgorithm=%s\n", algname);
1040     if (id & SSL_PSK) {
1041         if (!ssl_print_hexbuf(bio, indent + 2,
1042                               "psk_identity_hint", 2, &msg, &msglen))
1043             return 0;
1044     }
1045     switch (id) {
1046     case SSL_kRSA:
1047
1048         if (!ssl_print_hexbuf(bio, indent + 2, "rsa_modulus", 2, &msg, &msglen))
1049             return 0;
1050         if (!ssl_print_hexbuf(bio, indent + 2, "rsa_exponent", 2,
1051                               &msg, &msglen))
1052             return 0;
1053         break;
1054
1055     case SSL_kDHE:
1056     case SSL_kDHEPSK:
1057         if (!ssl_print_hexbuf(bio, indent + 2, "dh_p", 2, &msg, &msglen))
1058             return 0;
1059         if (!ssl_print_hexbuf(bio, indent + 2, "dh_g", 2, &msg, &msglen))
1060             return 0;
1061         if (!ssl_print_hexbuf(bio, indent + 2, "dh_Ys", 2, &msg, &msglen))
1062             return 0;
1063         break;
1064
1065 # ifndef OPENSSL_NO_EC
1066     case SSL_kECDHE:
1067     case SSL_kECDHEPSK:
1068         if (msglen < 1)
1069             return 0;
1070         BIO_indent(bio, indent + 2, 80);
1071         if (msg[0] == EXPLICIT_PRIME_CURVE_TYPE)
1072             BIO_puts(bio, "explicit_prime\n");
1073         else if (msg[0] == EXPLICIT_CHAR2_CURVE_TYPE)
1074             BIO_puts(bio, "explicit_char2\n");
1075         else if (msg[0] == NAMED_CURVE_TYPE) {
1076             int curve;
1077             if (msglen < 3)
1078                 return 0;
1079             curve = (msg[1] << 8) | msg[2];
1080             BIO_printf(bio, "named_curve: %s (%d)\n",
1081                        ssl_trace_str(curve, ssl_groups_tbl), curve);
1082             msg += 3;
1083             msglen -= 3;
1084             if (!ssl_print_hexbuf(bio, indent + 2, "point", 1, &msg, &msglen))
1085                 return 0;
1086         } else {
1087             BIO_printf(bio, "UNKNOWN CURVE PARAMETER TYPE %d\n", msg[0]);
1088             return 0;
1089         }
1090         break;
1091 # endif
1092
1093     case SSL_kPSK:
1094     case SSL_kRSAPSK:
1095         break;
1096     }
1097     if (!(id & SSL_PSK))
1098         ssl_print_signature(bio, indent, ssl, &msg, &msglen);
1099     return !msglen;
1100 }
1101
1102 static int ssl_print_certificate(BIO *bio, int indent,
1103                                  const unsigned char **pmsg, size_t *pmsglen)
1104 {
1105     size_t msglen = *pmsglen;
1106     size_t clen;
1107     X509 *x;
1108     const unsigned char *p = *pmsg, *q;
1109     if (msglen < 3)
1110         return 0;
1111     clen = (p[0] << 16) | (p[1] << 8) | p[2];
1112     if (msglen < clen + 3)
1113         return 0;
1114     q = p + 3;
1115     BIO_indent(bio, indent, 80);
1116     BIO_printf(bio, "ASN.1Cert, length=%d", (int)clen);
1117     x = d2i_X509(NULL, &q, clen);
1118     if (!x)
1119         BIO_puts(bio, "<UNPARSEABLE CERTIFICATE>\n");
1120     else {
1121         BIO_puts(bio, "\n------details-----\n");
1122         X509_print_ex(bio, x, XN_FLAG_ONELINE, 0);
1123         PEM_write_bio_X509(bio, x);
1124         /* Print certificate stuff */
1125         BIO_puts(bio, "------------------\n");
1126         X509_free(x);
1127     }
1128     if (q != p + 3 + clen) {
1129         BIO_puts(bio, "<TRAILING GARBAGE AFTER CERTIFICATE>\n");
1130     }
1131     *pmsg += clen + 3;
1132     *pmsglen -= clen + 3;
1133     return 1;
1134 }
1135
1136 static int ssl_print_certificates(BIO *bio, SSL *s, int server, int indent,
1137                                   const unsigned char *msg, size_t msglen)
1138 {
1139     size_t clen;
1140
1141     if (SSL_IS_TLS13(s)
1142             && !ssl_print_hexbuf(bio, indent, "context", 1, &msg, &msglen))
1143         return 0;
1144
1145     if (msglen < 3)
1146         return 0;
1147     clen = (msg[0] << 16) | (msg[1] << 8) | msg[2];
1148     if (msglen != clen + 3)
1149         return 0;
1150     msg += 3;
1151     BIO_indent(bio, indent, 80);
1152     BIO_printf(bio, "certificate_list, length=%d\n", (int)clen);
1153     while (clen > 0) {
1154         if (!ssl_print_certificate(bio, indent + 2, &msg, &clen))
1155             return 0;
1156         if (!ssl_print_extensions(bio, indent + 2, server, SSL3_MT_CERTIFICATE,
1157                                   &msg, &clen))
1158             return 0;
1159
1160     }
1161     return 1;
1162 }
1163
1164 static int ssl_print_cert_request(BIO *bio, int indent, SSL *s,
1165                                   const unsigned char *msg, size_t msglen)
1166 {
1167     size_t xlen;
1168     unsigned int sigalg;
1169
1170     if (msglen < 1)
1171         return 0;
1172     xlen = msg[0];
1173     if (msglen < xlen + 1)
1174         return 0;
1175     msg++;
1176     BIO_indent(bio, indent, 80);
1177     BIO_printf(bio, "certificate_types (len=%d)\n", (int)xlen);
1178     if (!ssl_trace_list(bio, indent + 2, msg, xlen, 1, ssl_ctype_tbl))
1179         return 0;
1180     msg += xlen;
1181     msglen -= xlen + 1;
1182     if (!SSL_USE_SIGALGS(s))
1183         goto skip_sig;
1184     if (msglen < 2)
1185         return 0;
1186     xlen = (msg[0] << 8) | msg[1];
1187     if (msglen < xlen + 2 || (xlen & 1))
1188         return 0;
1189     msg += 2;
1190     BIO_indent(bio, indent, 80);
1191     BIO_printf(bio, "signature_algorithms (len=%d)\n", (int)xlen);
1192     while (xlen > 0) {
1193         BIO_indent(bio, indent + 2, 80);
1194         sigalg = (msg[0] << 8) | msg[1];
1195         BIO_printf(bio, "%s (0x%04x)\n",
1196                    ssl_trace_str(sigalg, ssl_sigalg_tbl), sigalg);
1197         xlen -= 2;
1198         msg += 2;
1199     }
1200     msg += xlen;
1201     msglen -= xlen + 2;
1202
1203  skip_sig:
1204     xlen = (msg[0] << 8) | msg[1];
1205     BIO_indent(bio, indent, 80);
1206     if (msglen < xlen + 2)
1207         return 0;
1208     msg += 2;
1209     msglen -= 2;
1210     BIO_printf(bio, "certificate_authorities (len=%d)\n", (int)xlen);
1211     while (xlen > 0) {
1212         size_t dlen;
1213         X509_NAME *nm;
1214         const unsigned char *p;
1215         if (xlen < 2)
1216             return 0;
1217         dlen = (msg[0] << 8) | msg[1];
1218         if (xlen < dlen + 2)
1219             return 0;
1220         msg += 2;
1221         BIO_indent(bio, indent + 2, 80);
1222         BIO_printf(bio, "DistinguishedName (len=%d): ", (int)dlen);
1223         p = msg;
1224         nm = d2i_X509_NAME(NULL, &p, dlen);
1225         if (!nm) {
1226             BIO_puts(bio, "<UNPARSEABLE DN>\n");
1227         } else {
1228             X509_NAME_print_ex(bio, nm, 0, XN_FLAG_ONELINE);
1229             BIO_puts(bio, "\n");
1230             X509_NAME_free(nm);
1231         }
1232         xlen -= dlen + 2;
1233         msg += dlen;
1234     }
1235     return 1;
1236 }
1237
1238 static int ssl_print_ticket(BIO *bio, int indent,
1239                             const unsigned char *msg, size_t msglen)
1240 {
1241     unsigned int tick_life;
1242     if (msglen == 0) {
1243         BIO_indent(bio, indent + 2, 80);
1244         BIO_puts(bio, "No Ticket\n");
1245         return 1;
1246     }
1247     if (msglen < 4)
1248         return 0;
1249     tick_life = (msg[0] << 24) | (msg[1] << 16) | (msg[2] << 8) | msg[3];
1250     msglen -= 4;
1251     msg += 4;
1252     BIO_indent(bio, indent + 2, 80);
1253     BIO_printf(bio, "ticket_lifetime_hint=%u\n", tick_life);
1254     if (!ssl_print_hexbuf(bio, indent + 2, "ticket", 2, &msg, &msglen))
1255         return 0;
1256     if (msglen)
1257         return 0;
1258     return 1;
1259 }
1260
1261 static int ssl_print_handshake(BIO *bio, SSL *ssl, int server,
1262                                const unsigned char *msg, size_t msglen,
1263                                int indent)
1264 {
1265     size_t hlen;
1266     unsigned char htype;
1267     if (msglen < 4)
1268         return 0;
1269     htype = msg[0];
1270     hlen = (msg[1] << 16) | (msg[2] << 8) | msg[3];
1271     BIO_indent(bio, indent, 80);
1272     BIO_printf(bio, "%s, Length=%d\n",
1273                ssl_trace_str(htype, ssl_handshake_tbl), (int)hlen);
1274     msg += 4;
1275     msglen -= 4;
1276     if (SSL_IS_DTLS(ssl)) {
1277         if (msglen < 8)
1278             return 0;
1279         BIO_indent(bio, indent, 80);
1280         BIO_printf(bio, "message_seq=%d, fragment_offset=%d, "
1281                    "fragment_length=%d\n",
1282                    (msg[0] << 8) | msg[1],
1283                    (msg[2] << 16) | (msg[3] << 8) | msg[4],
1284                    (msg[5] << 16) | (msg[6] << 8) | msg[7]);
1285         msg += 8;
1286         msglen -= 8;
1287     }
1288     if (msglen < hlen)
1289         return 0;
1290     switch (htype) {
1291     case SSL3_MT_CLIENT_HELLO:
1292         if (!ssl_print_client_hello(bio, ssl, indent + 2, msg, msglen))
1293             return 0;
1294         break;
1295
1296     case DTLS1_MT_HELLO_VERIFY_REQUEST:
1297         if (!dtls_print_hello_vfyrequest(bio, indent + 2, msg, msglen))
1298             return 0;
1299         break;
1300
1301     case SSL3_MT_SERVER_HELLO:
1302         if (!ssl_print_server_hello(bio, indent + 2, msg, msglen))
1303             return 0;
1304         break;
1305
1306     case SSL3_MT_SERVER_KEY_EXCHANGE:
1307         if (!ssl_print_server_keyex(bio, indent + 2, ssl, msg, msglen))
1308             return 0;
1309         break;
1310
1311     case SSL3_MT_CLIENT_KEY_EXCHANGE:
1312         if (!ssl_print_client_keyex(bio, indent + 2, ssl, msg, msglen))
1313             return 0;
1314         break;
1315
1316     case SSL3_MT_CERTIFICATE:
1317         if (!ssl_print_certificates(bio, ssl, server, indent + 2, msg, msglen))
1318             return 0;
1319         break;
1320
1321     case SSL3_MT_CERTIFICATE_VERIFY:
1322         if (!ssl_print_signature(bio, indent + 2, ssl, &msg, &msglen))
1323             return 0;
1324         break;
1325
1326     case SSL3_MT_CERTIFICATE_REQUEST:
1327         if (!ssl_print_cert_request(bio, indent + 2, ssl, msg, msglen))
1328             return 0;
1329         break;
1330
1331     case SSL3_MT_FINISHED:
1332         ssl_print_hex(bio, indent + 2, "verify_data", msg, msglen);
1333         break;
1334
1335     case SSL3_MT_SERVER_DONE:
1336         if (msglen != 0)
1337             ssl_print_hex(bio, indent + 2, "unexpected value", msg, msglen);
1338         break;
1339
1340     case SSL3_MT_NEWSESSION_TICKET:
1341         if (!ssl_print_ticket(bio, indent + 2, msg, msglen))
1342             return 0;
1343         break;
1344
1345     case SSL3_MT_HELLO_RETRY_REQUEST:
1346         if (!ssl_print_version(bio, indent + 2, "server_version", &msg, &msglen,
1347                                NULL)
1348                 || !ssl_print_extensions(bio, indent + 2, 1,
1349                                          SSL3_MT_HELLO_RETRY_REQUEST, &msg,
1350                                          &msglen))
1351             return 0;
1352         break;
1353
1354     case SSL3_MT_ENCRYPTED_EXTENSIONS:
1355         if (!ssl_print_extensions(bio, indent + 2, 1,
1356                                   SSL3_MT_ENCRYPTED_EXTENSIONS, &msg, &msglen))
1357             return 0;
1358         break;
1359
1360     case SSL3_MT_KEY_UPDATE:
1361         if (msglen != 1) {
1362             ssl_print_hex(bio, indent + 2, "unexpected value", msg, msglen);
1363             return 0;
1364         }
1365         if (!ssl_trace_list(bio, indent + 2, msg, msglen, 1,
1366                             ssl_key_update_tbl))
1367             return 0;
1368         break;
1369
1370     default:
1371         BIO_indent(bio, indent + 2, 80);
1372         BIO_puts(bio, "Unsupported, hex dump follows:\n");
1373         BIO_dump_indent(bio, (const char *)msg, msglen, indent + 4);
1374     }
1375     return 1;
1376 }
1377
1378 const char *SSL_CIPHER_standard_name(const SSL_CIPHER *c)
1379 {
1380     return ssl_trace_str(c->id & 0xFFFF, ssl_ciphers_tbl);
1381 }
1382
1383 void SSL_trace(int write_p, int version, int content_type,
1384                const void *buf, size_t msglen, SSL *ssl, void *arg)
1385 {
1386     const unsigned char *msg = buf;
1387     BIO *bio = arg;
1388
1389     if (write_p == 2) {
1390         BIO_puts(bio, "Session ");
1391         ssl_print_hex(bio, 0,
1392                       ssl_trace_str(content_type, ssl_crypto_tbl), msg, msglen);
1393         return;
1394     }
1395     switch (content_type) {
1396     case SSL3_RT_HEADER:
1397         {
1398             int hvers = msg[1] << 8 | msg[2];
1399             BIO_puts(bio, write_p ? "Sent" : "Received");
1400             BIO_printf(bio, " Record\nHeader:\n  Version = %s (0x%x)\n",
1401                        ssl_trace_str(hvers, ssl_version_tbl), hvers);
1402             if (SSL_IS_DTLS(ssl)) {
1403                 BIO_printf(bio,
1404                            "  epoch=%d, sequence_number=%04x%04x%04x\n",
1405                            (msg[3] << 8 | msg[4]),
1406                            (msg[5] << 8 | msg[6]),
1407                            (msg[7] << 8 | msg[8]), (msg[9] << 8 | msg[10]));
1408             }
1409
1410             BIO_printf(bio, "  Content Type = %s (%d)\n  Length = %d",
1411                        ssl_trace_str(msg[0], ssl_content_tbl), msg[0],
1412                        msg[msglen - 2] << 8 | msg[msglen - 1]);
1413         }
1414         break;
1415     case SSL3_RT_HANDSHAKE:
1416         if (!ssl_print_handshake(bio, ssl, ssl->server ? write_p : !write_p,
1417                                  msg, msglen, 4))
1418             BIO_printf(bio, "Message length parse error!\n");
1419         break;
1420
1421     case SSL3_RT_CHANGE_CIPHER_SPEC:
1422         if (msglen == 1 && msg[0] == 1)
1423             BIO_puts(bio, "    change_cipher_spec (1)\n");
1424         else
1425             ssl_print_hex(bio, 4, "unknown value", msg, msglen);
1426         break;
1427
1428     case SSL3_RT_ALERT:
1429         if (msglen != 2)
1430             BIO_puts(bio, "    Illegal Alert Length\n");
1431         else {
1432             BIO_printf(bio, "    Level=%s(%d), description=%s(%d)\n",
1433                        SSL_alert_type_string_long(msg[0] << 8),
1434                        msg[0], SSL_alert_desc_string_long(msg[1]), msg[1]);
1435         }
1436
1437     }
1438
1439     BIO_puts(bio, "\n");
1440 }
1441
1442 #endif