4d052d0705a5f6d4dedf9b28518abe3b2488b84f
[openssl.git] / ssl / t1_trce.c
1 /*
2  * Copyright 2012-2018 The OpenSSL Project Authors. All Rights Reserved.
3  *
4  * Licensed under the OpenSSL license (the "License").  You may not use
5  * this file except in compliance with the License.  You can obtain a copy
6  * in the file LICENSE in the source distribution or at
7  * https://www.openssl.org/source/license.html
8  */
9
10 #include "ssl_locl.h"
11
12 #ifndef OPENSSL_NO_SSL_TRACE
13
14 /* Packet trace support for OpenSSL */
15
16 typedef struct {
17     int num;
18     const char *name;
19 } ssl_trace_tbl;
20
21 # define ssl_trace_str(val, tbl) \
22     do_ssl_trace_str(val, tbl, OSSL_NELEM(tbl))
23
24 # define ssl_trace_list(bio, indent, msg, msglen, value, table) \
25     do_ssl_trace_list(bio, indent, msg, msglen, value, \
26                       table, OSSL_NELEM(table))
27
28 static const char *do_ssl_trace_str(int val, const ssl_trace_tbl *tbl,
29                                     size_t ntbl)
30 {
31     size_t i;
32
33     for (i = 0; i < ntbl; i++, tbl++) {
34         if (tbl->num == val)
35             return tbl->name;
36     }
37     return "UNKNOWN";
38 }
39
40 static int do_ssl_trace_list(BIO *bio, int indent,
41                              const unsigned char *msg, size_t msglen,
42                              size_t vlen, const ssl_trace_tbl *tbl, size_t ntbl)
43 {
44     int val;
45
46     if (msglen % vlen)
47         return 0;
48     while (msglen) {
49         val = msg[0];
50         if (vlen == 2)
51             val = (val << 8) | msg[1];
52         BIO_indent(bio, indent, 80);
53         BIO_printf(bio, "%s (%d)\n", do_ssl_trace_str(val, tbl, ntbl), val);
54         msg += vlen;
55         msglen -= vlen;
56     }
57     return 1;
58 }
59
60 /* Version number */
61
62 static const ssl_trace_tbl ssl_version_tbl[] = {
63     {SSL3_VERSION, "SSL 3.0"},
64     {TLS1_VERSION, "TLS 1.0"},
65     {TLS1_1_VERSION, "TLS 1.1"},
66     {TLS1_2_VERSION, "TLS 1.2"},
67     {TLS1_3_VERSION, "TLS 1.3"},
68     /* TODO(TLS1.3): Remove these lines before release */
69     {TLS1_3_VERSION_DRAFT_26, TLS1_3_VERSION_DRAFT_TXT_26},
70     {TLS1_3_VERSION_DRAFT_27, TLS1_3_VERSION_DRAFT_TXT_27},
71     {TLS1_3_VERSION_DRAFT, TLS1_3_VERSION_DRAFT_TXT},
72     {DTLS1_VERSION, "DTLS 1.0"},
73     {DTLS1_2_VERSION, "DTLS 1.2"},
74     {DTLS1_BAD_VER, "DTLS 1.0 (bad)"}
75 };
76
77 static const ssl_trace_tbl ssl_content_tbl[] = {
78     {SSL3_RT_CHANGE_CIPHER_SPEC, "ChangeCipherSpec"},
79     {SSL3_RT_ALERT, "Alert"},
80     {SSL3_RT_HANDSHAKE, "Handshake"},
81     {SSL3_RT_APPLICATION_DATA, "ApplicationData"},
82 };
83
84 /* Handshake types, sorted by ascending id  */
85 static const ssl_trace_tbl ssl_handshake_tbl[] = {
86     {SSL3_MT_HELLO_REQUEST, "HelloRequest"},
87     {SSL3_MT_CLIENT_HELLO, "ClientHello"},
88     {SSL3_MT_SERVER_HELLO, "ServerHello"},
89     {DTLS1_MT_HELLO_VERIFY_REQUEST, "HelloVerifyRequest"},
90     {SSL3_MT_NEWSESSION_TICKET, "NewSessionTicket"},
91     {SSL3_MT_END_OF_EARLY_DATA, "EndOfEarlyData"},
92     {SSL3_MT_ENCRYPTED_EXTENSIONS, "EncryptedExtensions"},
93     {SSL3_MT_CERTIFICATE, "Certificate"},
94     {SSL3_MT_SERVER_KEY_EXCHANGE, "ServerKeyExchange"},
95     {SSL3_MT_CERTIFICATE_REQUEST, "CertificateRequest"},
96     {SSL3_MT_SERVER_DONE, "ServerHelloDone"},
97     {SSL3_MT_CERTIFICATE_VERIFY, "CertificateVerify"},
98     {SSL3_MT_CLIENT_KEY_EXCHANGE, "ClientKeyExchange"},
99     {SSL3_MT_FINISHED, "Finished"},
100     {SSL3_MT_CERTIFICATE_URL, "CertificateUrl"},
101     {SSL3_MT_CERTIFICATE_STATUS, "CertificateStatus"},
102     {SSL3_MT_SUPPLEMENTAL_DATA, "SupplementalData"},
103     {SSL3_MT_KEY_UPDATE, "KeyUpdate"},
104 # ifndef OPENSSL_NO_NEXTPROTONEG
105     {SSL3_MT_NEXT_PROTO, "NextProto"},
106 # endif
107     {SSL3_MT_MESSAGE_HASH, "MessageHash"}
108 };
109
110 /* Cipher suites */
111 static const ssl_trace_tbl ssl_ciphers_tbl[] = {
112     {0x0000, "TLS_NULL_WITH_NULL_NULL"},
113     {0x0001, "TLS_RSA_WITH_NULL_MD5"},
114     {0x0002, "TLS_RSA_WITH_NULL_SHA"},
115     {0x0003, "TLS_RSA_EXPORT_WITH_RC4_40_MD5"},
116     {0x0004, "TLS_RSA_WITH_RC4_128_MD5"},
117     {0x0005, "TLS_RSA_WITH_RC4_128_SHA"},
118     {0x0006, "TLS_RSA_EXPORT_WITH_RC2_CBC_40_MD5"},
119     {0x0007, "TLS_RSA_WITH_IDEA_CBC_SHA"},
120     {0x0008, "TLS_RSA_EXPORT_WITH_DES40_CBC_SHA"},
121     {0x0009, "TLS_RSA_WITH_DES_CBC_SHA"},
122     {0x000A, "TLS_RSA_WITH_3DES_EDE_CBC_SHA"},
123     {0x000B, "TLS_DH_DSS_EXPORT_WITH_DES40_CBC_SHA"},
124     {0x000C, "TLS_DH_DSS_WITH_DES_CBC_SHA"},
125     {0x000D, "TLS_DH_DSS_WITH_3DES_EDE_CBC_SHA"},
126     {0x000E, "TLS_DH_RSA_EXPORT_WITH_DES40_CBC_SHA"},
127     {0x000F, "TLS_DH_RSA_WITH_DES_CBC_SHA"},
128     {0x0010, "TLS_DH_RSA_WITH_3DES_EDE_CBC_SHA"},
129     {0x0011, "TLS_DHE_DSS_EXPORT_WITH_DES40_CBC_SHA"},
130     {0x0012, "TLS_DHE_DSS_WITH_DES_CBC_SHA"},
131     {0x0013, "TLS_DHE_DSS_WITH_3DES_EDE_CBC_SHA"},
132     {0x0014, "TLS_DHE_RSA_EXPORT_WITH_DES40_CBC_SHA"},
133     {0x0015, "TLS_DHE_RSA_WITH_DES_CBC_SHA"},
134     {0x0016, "TLS_DHE_RSA_WITH_3DES_EDE_CBC_SHA"},
135     {0x0017, "TLS_DH_anon_EXPORT_WITH_RC4_40_MD5"},
136     {0x0018, "TLS_DH_anon_WITH_RC4_128_MD5"},
137     {0x0019, "TLS_DH_anon_EXPORT_WITH_DES40_CBC_SHA"},
138     {0x001A, "TLS_DH_anon_WITH_DES_CBC_SHA"},
139     {0x001B, "TLS_DH_anon_WITH_3DES_EDE_CBC_SHA"},
140     {0x001D, "SSL_FORTEZZA_KEA_WITH_FORTEZZA_CBC_SHA"},
141     {0x001E, "SSL_FORTEZZA_KEA_WITH_RC4_128_SHA"},
142     {0x001F, "TLS_KRB5_WITH_3DES_EDE_CBC_SHA"},
143     {0x0020, "TLS_KRB5_WITH_RC4_128_SHA"},
144     {0x0021, "TLS_KRB5_WITH_IDEA_CBC_SHA"},
145     {0x0022, "TLS_KRB5_WITH_DES_CBC_MD5"},
146     {0x0023, "TLS_KRB5_WITH_3DES_EDE_CBC_MD5"},
147     {0x0024, "TLS_KRB5_WITH_RC4_128_MD5"},
148     {0x0025, "TLS_KRB5_WITH_IDEA_CBC_MD5"},
149     {0x0026, "TLS_KRB5_EXPORT_WITH_DES_CBC_40_SHA"},
150     {0x0027, "TLS_KRB5_EXPORT_WITH_RC2_CBC_40_SHA"},
151     {0x0028, "TLS_KRB5_EXPORT_WITH_RC4_40_SHA"},
152     {0x0029, "TLS_KRB5_EXPORT_WITH_DES_CBC_40_MD5"},
153     {0x002A, "TLS_KRB5_EXPORT_WITH_RC2_CBC_40_MD5"},
154     {0x002B, "TLS_KRB5_EXPORT_WITH_RC4_40_MD5"},
155     {0x002C, "TLS_PSK_WITH_NULL_SHA"},
156     {0x002D, "TLS_DHE_PSK_WITH_NULL_SHA"},
157     {0x002E, "TLS_RSA_PSK_WITH_NULL_SHA"},
158     {0x002F, "TLS_RSA_WITH_AES_128_CBC_SHA"},
159     {0x0030, "TLS_DH_DSS_WITH_AES_128_CBC_SHA"},
160     {0x0031, "TLS_DH_RSA_WITH_AES_128_CBC_SHA"},
161     {0x0032, "TLS_DHE_DSS_WITH_AES_128_CBC_SHA"},
162     {0x0033, "TLS_DHE_RSA_WITH_AES_128_CBC_SHA"},
163     {0x0034, "TLS_DH_anon_WITH_AES_128_CBC_SHA"},
164     {0x0035, "TLS_RSA_WITH_AES_256_CBC_SHA"},
165     {0x0036, "TLS_DH_DSS_WITH_AES_256_CBC_SHA"},
166     {0x0037, "TLS_DH_RSA_WITH_AES_256_CBC_SHA"},
167     {0x0038, "TLS_DHE_DSS_WITH_AES_256_CBC_SHA"},
168     {0x0039, "TLS_DHE_RSA_WITH_AES_256_CBC_SHA"},
169     {0x003A, "TLS_DH_anon_WITH_AES_256_CBC_SHA"},
170     {0x003B, "TLS_RSA_WITH_NULL_SHA256"},
171     {0x003C, "TLS_RSA_WITH_AES_128_CBC_SHA256"},
172     {0x003D, "TLS_RSA_WITH_AES_256_CBC_SHA256"},
173     {0x003E, "TLS_DH_DSS_WITH_AES_128_CBC_SHA256"},
174     {0x003F, "TLS_DH_RSA_WITH_AES_128_CBC_SHA256"},
175     {0x0040, "TLS_DHE_DSS_WITH_AES_128_CBC_SHA256"},
176     {0x0041, "TLS_RSA_WITH_CAMELLIA_128_CBC_SHA"},
177     {0x0042, "TLS_DH_DSS_WITH_CAMELLIA_128_CBC_SHA"},
178     {0x0043, "TLS_DH_RSA_WITH_CAMELLIA_128_CBC_SHA"},
179     {0x0044, "TLS_DHE_DSS_WITH_CAMELLIA_128_CBC_SHA"},
180     {0x0045, "TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA"},
181     {0x0046, "TLS_DH_anon_WITH_CAMELLIA_128_CBC_SHA"},
182     {0x0067, "TLS_DHE_RSA_WITH_AES_128_CBC_SHA256"},
183     {0x0068, "TLS_DH_DSS_WITH_AES_256_CBC_SHA256"},
184     {0x0069, "TLS_DH_RSA_WITH_AES_256_CBC_SHA256"},
185     {0x006A, "TLS_DHE_DSS_WITH_AES_256_CBC_SHA256"},
186     {0x006B, "TLS_DHE_RSA_WITH_AES_256_CBC_SHA256"},
187     {0x006C, "TLS_DH_anon_WITH_AES_128_CBC_SHA256"},
188     {0x006D, "TLS_DH_anon_WITH_AES_256_CBC_SHA256"},
189     {0x0081, "TLS_GOSTR341001_WITH_28147_CNT_IMIT"},
190     {0x0083, "TLS_GOSTR341001_WITH_NULL_GOSTR3411"},
191     {0x0084, "TLS_RSA_WITH_CAMELLIA_256_CBC_SHA"},
192     {0x0085, "TLS_DH_DSS_WITH_CAMELLIA_256_CBC_SHA"},
193     {0x0086, "TLS_DH_RSA_WITH_CAMELLIA_256_CBC_SHA"},
194     {0x0087, "TLS_DHE_DSS_WITH_CAMELLIA_256_CBC_SHA"},
195     {0x0088, "TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA"},
196     {0x0089, "TLS_DH_anon_WITH_CAMELLIA_256_CBC_SHA"},
197     {0x008A, "TLS_PSK_WITH_RC4_128_SHA"},
198     {0x008B, "TLS_PSK_WITH_3DES_EDE_CBC_SHA"},
199     {0x008C, "TLS_PSK_WITH_AES_128_CBC_SHA"},
200     {0x008D, "TLS_PSK_WITH_AES_256_CBC_SHA"},
201     {0x008E, "TLS_DHE_PSK_WITH_RC4_128_SHA"},
202     {0x008F, "TLS_DHE_PSK_WITH_3DES_EDE_CBC_SHA"},
203     {0x0090, "TLS_DHE_PSK_WITH_AES_128_CBC_SHA"},
204     {0x0091, "TLS_DHE_PSK_WITH_AES_256_CBC_SHA"},
205     {0x0092, "TLS_RSA_PSK_WITH_RC4_128_SHA"},
206     {0x0093, "TLS_RSA_PSK_WITH_3DES_EDE_CBC_SHA"},
207     {0x0094, "TLS_RSA_PSK_WITH_AES_128_CBC_SHA"},
208     {0x0095, "TLS_RSA_PSK_WITH_AES_256_CBC_SHA"},
209     {0x0096, "TLS_RSA_WITH_SEED_CBC_SHA"},
210     {0x0097, "TLS_DH_DSS_WITH_SEED_CBC_SHA"},
211     {0x0098, "TLS_DH_RSA_WITH_SEED_CBC_SHA"},
212     {0x0099, "TLS_DHE_DSS_WITH_SEED_CBC_SHA"},
213     {0x009A, "TLS_DHE_RSA_WITH_SEED_CBC_SHA"},
214     {0x009B, "TLS_DH_anon_WITH_SEED_CBC_SHA"},
215     {0x009C, "TLS_RSA_WITH_AES_128_GCM_SHA256"},
216     {0x009D, "TLS_RSA_WITH_AES_256_GCM_SHA384"},
217     {0x009E, "TLS_DHE_RSA_WITH_AES_128_GCM_SHA256"},
218     {0x009F, "TLS_DHE_RSA_WITH_AES_256_GCM_SHA384"},
219     {0x00A0, "TLS_DH_RSA_WITH_AES_128_GCM_SHA256"},
220     {0x00A1, "TLS_DH_RSA_WITH_AES_256_GCM_SHA384"},
221     {0x00A2, "TLS_DHE_DSS_WITH_AES_128_GCM_SHA256"},
222     {0x00A3, "TLS_DHE_DSS_WITH_AES_256_GCM_SHA384"},
223     {0x00A4, "TLS_DH_DSS_WITH_AES_128_GCM_SHA256"},
224     {0x00A5, "TLS_DH_DSS_WITH_AES_256_GCM_SHA384"},
225     {0x00A6, "TLS_DH_anon_WITH_AES_128_GCM_SHA256"},
226     {0x00A7, "TLS_DH_anon_WITH_AES_256_GCM_SHA384"},
227     {0x00A8, "TLS_PSK_WITH_AES_128_GCM_SHA256"},
228     {0x00A9, "TLS_PSK_WITH_AES_256_GCM_SHA384"},
229     {0x00AA, "TLS_DHE_PSK_WITH_AES_128_GCM_SHA256"},
230     {0x00AB, "TLS_DHE_PSK_WITH_AES_256_GCM_SHA384"},
231     {0x00AC, "TLS_RSA_PSK_WITH_AES_128_GCM_SHA256"},
232     {0x00AD, "TLS_RSA_PSK_WITH_AES_256_GCM_SHA384"},
233     {0x00AE, "TLS_PSK_WITH_AES_128_CBC_SHA256"},
234     {0x00AF, "TLS_PSK_WITH_AES_256_CBC_SHA384"},
235     {0x00B0, "TLS_PSK_WITH_NULL_SHA256"},
236     {0x00B1, "TLS_PSK_WITH_NULL_SHA384"},
237     {0x00B2, "TLS_DHE_PSK_WITH_AES_128_CBC_SHA256"},
238     {0x00B3, "TLS_DHE_PSK_WITH_AES_256_CBC_SHA384"},
239     {0x00B4, "TLS_DHE_PSK_WITH_NULL_SHA256"},
240     {0x00B5, "TLS_DHE_PSK_WITH_NULL_SHA384"},
241     {0x00B6, "TLS_RSA_PSK_WITH_AES_128_CBC_SHA256"},
242     {0x00B7, "TLS_RSA_PSK_WITH_AES_256_CBC_SHA384"},
243     {0x00B8, "TLS_RSA_PSK_WITH_NULL_SHA256"},
244     {0x00B9, "TLS_RSA_PSK_WITH_NULL_SHA384"},
245     {0x00BA, "TLS_RSA_WITH_CAMELLIA_128_CBC_SHA256"},
246     {0x00BB, "TLS_DH_DSS_WITH_CAMELLIA_128_CBC_SHA256"},
247     {0x00BC, "TLS_DH_RSA_WITH_CAMELLIA_128_CBC_SHA256"},
248     {0x00BD, "TLS_DHE_DSS_WITH_CAMELLIA_128_CBC_SHA256"},
249     {0x00BE, "TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA256"},
250     {0x00BF, "TLS_DH_anon_WITH_CAMELLIA_128_CBC_SHA256"},
251     {0x00C0, "TLS_RSA_WITH_CAMELLIA_256_CBC_SHA256"},
252     {0x00C1, "TLS_DH_DSS_WITH_CAMELLIA_256_CBC_SHA256"},
253     {0x00C2, "TLS_DH_RSA_WITH_CAMELLIA_256_CBC_SHA256"},
254     {0x00C3, "TLS_DHE_DSS_WITH_CAMELLIA_256_CBC_SHA256"},
255     {0x00C4, "TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA256"},
256     {0x00C5, "TLS_DH_anon_WITH_CAMELLIA_256_CBC_SHA256"},
257     {0x00FF, "TLS_EMPTY_RENEGOTIATION_INFO_SCSV"},
258     {0x5600, "TLS_FALLBACK_SCSV"},
259     {0xC001, "TLS_ECDH_ECDSA_WITH_NULL_SHA"},
260     {0xC002, "TLS_ECDH_ECDSA_WITH_RC4_128_SHA"},
261     {0xC003, "TLS_ECDH_ECDSA_WITH_3DES_EDE_CBC_SHA"},
262     {0xC004, "TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA"},
263     {0xC005, "TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA"},
264     {0xC006, "TLS_ECDHE_ECDSA_WITH_NULL_SHA"},
265     {0xC007, "TLS_ECDHE_ECDSA_WITH_RC4_128_SHA"},
266     {0xC008, "TLS_ECDHE_ECDSA_WITH_3DES_EDE_CBC_SHA"},
267     {0xC009, "TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA"},
268     {0xC00A, "TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA"},
269     {0xC00B, "TLS_ECDH_RSA_WITH_NULL_SHA"},
270     {0xC00C, "TLS_ECDH_RSA_WITH_RC4_128_SHA"},
271     {0xC00D, "TLS_ECDH_RSA_WITH_3DES_EDE_CBC_SHA"},
272     {0xC00E, "TLS_ECDH_RSA_WITH_AES_128_CBC_SHA"},
273     {0xC00F, "TLS_ECDH_RSA_WITH_AES_256_CBC_SHA"},
274     {0xC010, "TLS_ECDHE_RSA_WITH_NULL_SHA"},
275     {0xC011, "TLS_ECDHE_RSA_WITH_RC4_128_SHA"},
276     {0xC012, "TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA"},
277     {0xC013, "TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA"},
278     {0xC014, "TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA"},
279     {0xC015, "TLS_ECDH_anon_WITH_NULL_SHA"},
280     {0xC016, "TLS_ECDH_anon_WITH_RC4_128_SHA"},
281     {0xC017, "TLS_ECDH_anon_WITH_3DES_EDE_CBC_SHA"},
282     {0xC018, "TLS_ECDH_anon_WITH_AES_128_CBC_SHA"},
283     {0xC019, "TLS_ECDH_anon_WITH_AES_256_CBC_SHA"},
284     {0xC01A, "TLS_SRP_SHA_WITH_3DES_EDE_CBC_SHA"},
285     {0xC01B, "TLS_SRP_SHA_RSA_WITH_3DES_EDE_CBC_SHA"},
286     {0xC01C, "TLS_SRP_SHA_DSS_WITH_3DES_EDE_CBC_SHA"},
287     {0xC01D, "TLS_SRP_SHA_WITH_AES_128_CBC_SHA"},
288     {0xC01E, "TLS_SRP_SHA_RSA_WITH_AES_128_CBC_SHA"},
289     {0xC01F, "TLS_SRP_SHA_DSS_WITH_AES_128_CBC_SHA"},
290     {0xC020, "TLS_SRP_SHA_WITH_AES_256_CBC_SHA"},
291     {0xC021, "TLS_SRP_SHA_RSA_WITH_AES_256_CBC_SHA"},
292     {0xC022, "TLS_SRP_SHA_DSS_WITH_AES_256_CBC_SHA"},
293     {0xC023, "TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256"},
294     {0xC024, "TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384"},
295     {0xC025, "TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA256"},
296     {0xC026, "TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA384"},
297     {0xC027, "TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256"},
298     {0xC028, "TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384"},
299     {0xC029, "TLS_ECDH_RSA_WITH_AES_128_CBC_SHA256"},
300     {0xC02A, "TLS_ECDH_RSA_WITH_AES_256_CBC_SHA384"},
301     {0xC02B, "TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256"},
302     {0xC02C, "TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384"},
303     {0xC02D, "TLS_ECDH_ECDSA_WITH_AES_128_GCM_SHA256"},
304     {0xC02E, "TLS_ECDH_ECDSA_WITH_AES_256_GCM_SHA384"},
305     {0xC02F, "TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256"},
306     {0xC030, "TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384"},
307     {0xC031, "TLS_ECDH_RSA_WITH_AES_128_GCM_SHA256"},
308     {0xC032, "TLS_ECDH_RSA_WITH_AES_256_GCM_SHA384"},
309     {0xC033, "TLS_ECDHE_PSK_WITH_RC4_128_SHA"},
310     {0xC034, "TLS_ECDHE_PSK_WITH_3DES_EDE_CBC_SHA"},
311     {0xC035, "TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA"},
312     {0xC036, "TLS_ECDHE_PSK_WITH_AES_256_CBC_SHA"},
313     {0xC037, "TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA256"},
314     {0xC038, "TLS_ECDHE_PSK_WITH_AES_256_CBC_SHA384"},
315     {0xC039, "TLS_ECDHE_PSK_WITH_NULL_SHA"},
316     {0xC03A, "TLS_ECDHE_PSK_WITH_NULL_SHA256"},
317     {0xC03B, "TLS_ECDHE_PSK_WITH_NULL_SHA384"},
318     {0xC03C, "TLS_RSA_WITH_ARIA_128_CBC_SHA256"},
319     {0xC03D, "TLS_RSA_WITH_ARIA_256_CBC_SHA384"},
320     {0xC03E, "TLS_DH_DSS_WITH_ARIA_128_CBC_SHA256"},
321     {0xC03F, "TLS_DH_DSS_WITH_ARIA_256_CBC_SHA384"},
322     {0xC040, "TLS_DH_RSA_WITH_ARIA_128_CBC_SHA256"},
323     {0xC041, "TLS_DH_RSA_WITH_ARIA_256_CBC_SHA384"},
324     {0xC042, "TLS_DHE_DSS_WITH_ARIA_128_CBC_SHA256"},
325     {0xC043, "TLS_DHE_DSS_WITH_ARIA_256_CBC_SHA384"},
326     {0xC044, "TLS_DHE_RSA_WITH_ARIA_128_CBC_SHA256"},
327     {0xC045, "TLS_DHE_RSA_WITH_ARIA_256_CBC_SHA384"},
328     {0xC046, "TLS_DH_anon_WITH_ARIA_128_CBC_SHA256"},
329     {0xC047, "TLS_DH_anon_WITH_ARIA_256_CBC_SHA384"},
330     {0xC048, "TLS_ECDHE_ECDSA_WITH_ARIA_128_CBC_SHA256"},
331     {0xC049, "TLS_ECDHE_ECDSA_WITH_ARIA_256_CBC_SHA384"},
332     {0xC04A, "TLS_ECDH_ECDSA_WITH_ARIA_128_CBC_SHA256"},
333     {0xC04B, "TLS_ECDH_ECDSA_WITH_ARIA_256_CBC_SHA384"},
334     {0xC04C, "TLS_ECDHE_RSA_WITH_ARIA_128_CBC_SHA256"},
335     {0xC04D, "TLS_ECDHE_RSA_WITH_ARIA_256_CBC_SHA384"},
336     {0xC04E, "TLS_ECDH_RSA_WITH_ARIA_128_CBC_SHA256"},
337     {0xC04F, "TLS_ECDH_RSA_WITH_ARIA_256_CBC_SHA384"},
338     {0xC050, "TLS_RSA_WITH_ARIA_128_GCM_SHA256"},
339     {0xC051, "TLS_RSA_WITH_ARIA_256_GCM_SHA384"},
340     {0xC052, "TLS_DHE_RSA_WITH_ARIA_128_GCM_SHA256"},
341     {0xC053, "TLS_DHE_RSA_WITH_ARIA_256_GCM_SHA384"},
342     {0xC054, "TLS_DH_RSA_WITH_ARIA_128_GCM_SHA256"},
343     {0xC055, "TLS_DH_RSA_WITH_ARIA_256_GCM_SHA384"},
344     {0xC056, "TLS_DHE_DSS_WITH_ARIA_128_GCM_SHA256"},
345     {0xC057, "TLS_DHE_DSS_WITH_ARIA_256_GCM_SHA384"},
346     {0xC058, "TLS_DH_DSS_WITH_ARIA_128_GCM_SHA256"},
347     {0xC059, "TLS_DH_DSS_WITH_ARIA_256_GCM_SHA384"},
348     {0xC05A, "TLS_DH_anon_WITH_ARIA_128_GCM_SHA256"},
349     {0xC05B, "TLS_DH_anon_WITH_ARIA_256_GCM_SHA384"},
350     {0xC05C, "TLS_ECDHE_ECDSA_WITH_ARIA_128_GCM_SHA256"},
351     {0xC05D, "TLS_ECDHE_ECDSA_WITH_ARIA_256_GCM_SHA384"},
352     {0xC05E, "TLS_ECDH_ECDSA_WITH_ARIA_128_GCM_SHA256"},
353     {0xC05F, "TLS_ECDH_ECDSA_WITH_ARIA_256_GCM_SHA384"},
354     {0xC060, "TLS_ECDHE_RSA_WITH_ARIA_128_GCM_SHA256"},
355     {0xC061, "TLS_ECDHE_RSA_WITH_ARIA_256_GCM_SHA384"},
356     {0xC062, "TLS_ECDH_RSA_WITH_ARIA_128_GCM_SHA256"},
357     {0xC063, "TLS_ECDH_RSA_WITH_ARIA_256_GCM_SHA384"},
358     {0xC064, "TLS_PSK_WITH_ARIA_128_CBC_SHA256"},
359     {0xC065, "TLS_PSK_WITH_ARIA_256_CBC_SHA384"},
360     {0xC066, "TLS_DHE_PSK_WITH_ARIA_128_CBC_SHA256"},
361     {0xC067, "TLS_DHE_PSK_WITH_ARIA_256_CBC_SHA384"},
362     {0xC068, "TLS_RSA_PSK_WITH_ARIA_128_CBC_SHA256"},
363     {0xC069, "TLS_RSA_PSK_WITH_ARIA_256_CBC_SHA384"},
364     {0xC06A, "TLS_PSK_WITH_ARIA_128_GCM_SHA256"},
365     {0xC06B, "TLS_PSK_WITH_ARIA_256_GCM_SHA384"},
366     {0xC06C, "TLS_DHE_PSK_WITH_ARIA_128_GCM_SHA256"},
367     {0xC06D, "TLS_DHE_PSK_WITH_ARIA_256_GCM_SHA384"},
368     {0xC06E, "TLS_RSA_PSK_WITH_ARIA_128_GCM_SHA256"},
369     {0xC06F, "TLS_RSA_PSK_WITH_ARIA_256_GCM_SHA384"},
370     {0xC070, "TLS_ECDHE_PSK_WITH_ARIA_128_CBC_SHA256"},
371     {0xC071, "TLS_ECDHE_PSK_WITH_ARIA_256_CBC_SHA384"},
372     {0xC072, "TLS_ECDHE_ECDSA_WITH_CAMELLIA_128_CBC_SHA256"},
373     {0xC073, "TLS_ECDHE_ECDSA_WITH_CAMELLIA_256_CBC_SHA384"},
374     {0xC074, "TLS_ECDH_ECDSA_WITH_CAMELLIA_128_CBC_SHA256"},
375     {0xC075, "TLS_ECDH_ECDSA_WITH_CAMELLIA_256_CBC_SHA384"},
376     {0xC076, "TLS_ECDHE_RSA_WITH_CAMELLIA_128_CBC_SHA256"},
377     {0xC077, "TLS_ECDHE_RSA_WITH_CAMELLIA_256_CBC_SHA384"},
378     {0xC078, "TLS_ECDH_RSA_WITH_CAMELLIA_128_CBC_SHA256"},
379     {0xC079, "TLS_ECDH_RSA_WITH_CAMELLIA_256_CBC_SHA384"},
380     {0xC07A, "TLS_RSA_WITH_CAMELLIA_128_GCM_SHA256"},
381     {0xC07B, "TLS_RSA_WITH_CAMELLIA_256_GCM_SHA384"},
382     {0xC07C, "TLS_DHE_RSA_WITH_CAMELLIA_128_GCM_SHA256"},
383     {0xC07D, "TLS_DHE_RSA_WITH_CAMELLIA_256_GCM_SHA384"},
384     {0xC07E, "TLS_DH_RSA_WITH_CAMELLIA_128_GCM_SHA256"},
385     {0xC07F, "TLS_DH_RSA_WITH_CAMELLIA_256_GCM_SHA384"},
386     {0xC080, "TLS_DHE_DSS_WITH_CAMELLIA_128_GCM_SHA256"},
387     {0xC081, "TLS_DHE_DSS_WITH_CAMELLIA_256_GCM_SHA384"},
388     {0xC082, "TLS_DH_DSS_WITH_CAMELLIA_128_GCM_SHA256"},
389     {0xC083, "TLS_DH_DSS_WITH_CAMELLIA_256_GCM_SHA384"},
390     {0xC084, "TLS_DH_anon_WITH_CAMELLIA_128_GCM_SHA256"},
391     {0xC085, "TLS_DH_anon_WITH_CAMELLIA_256_GCM_SHA384"},
392     {0xC086, "TLS_ECDHE_ECDSA_WITH_CAMELLIA_128_GCM_SHA256"},
393     {0xC087, "TLS_ECDHE_ECDSA_WITH_CAMELLIA_256_GCM_SHA384"},
394     {0xC088, "TLS_ECDH_ECDSA_WITH_CAMELLIA_128_GCM_SHA256"},
395     {0xC089, "TLS_ECDH_ECDSA_WITH_CAMELLIA_256_GCM_SHA384"},
396     {0xC08A, "TLS_ECDHE_RSA_WITH_CAMELLIA_128_GCM_SHA256"},
397     {0xC08B, "TLS_ECDHE_RSA_WITH_CAMELLIA_256_GCM_SHA384"},
398     {0xC08C, "TLS_ECDH_RSA_WITH_CAMELLIA_128_GCM_SHA256"},
399     {0xC08D, "TLS_ECDH_RSA_WITH_CAMELLIA_256_GCM_SHA384"},
400     {0xC08E, "TLS_PSK_WITH_CAMELLIA_128_GCM_SHA256"},
401     {0xC08F, "TLS_PSK_WITH_CAMELLIA_256_GCM_SHA384"},
402     {0xC090, "TLS_DHE_PSK_WITH_CAMELLIA_128_GCM_SHA256"},
403     {0xC091, "TLS_DHE_PSK_WITH_CAMELLIA_256_GCM_SHA384"},
404     {0xC092, "TLS_RSA_PSK_WITH_CAMELLIA_128_GCM_SHA256"},
405     {0xC093, "TLS_RSA_PSK_WITH_CAMELLIA_256_GCM_SHA384"},
406     {0xC094, "TLS_PSK_WITH_CAMELLIA_128_CBC_SHA256"},
407     {0xC095, "TLS_PSK_WITH_CAMELLIA_256_CBC_SHA384"},
408     {0xC096, "TLS_DHE_PSK_WITH_CAMELLIA_128_CBC_SHA256"},
409     {0xC097, "TLS_DHE_PSK_WITH_CAMELLIA_256_CBC_SHA384"},
410     {0xC098, "TLS_RSA_PSK_WITH_CAMELLIA_128_CBC_SHA256"},
411     {0xC099, "TLS_RSA_PSK_WITH_CAMELLIA_256_CBC_SHA384"},
412     {0xC09A, "TLS_ECDHE_PSK_WITH_CAMELLIA_128_CBC_SHA256"},
413     {0xC09B, "TLS_ECDHE_PSK_WITH_CAMELLIA_256_CBC_SHA384"},
414     {0xC09C, "TLS_RSA_WITH_AES_128_CCM"},
415     {0xC09D, "TLS_RSA_WITH_AES_256_CCM"},
416     {0xC09E, "TLS_DHE_RSA_WITH_AES_128_CCM"},
417     {0xC09F, "TLS_DHE_RSA_WITH_AES_256_CCM"},
418     {0xC0A0, "TLS_RSA_WITH_AES_128_CCM_8"},
419     {0xC0A1, "TLS_RSA_WITH_AES_256_CCM_8"},
420     {0xC0A2, "TLS_DHE_RSA_WITH_AES_128_CCM_8"},
421     {0xC0A3, "TLS_DHE_RSA_WITH_AES_256_CCM_8"},
422     {0xC0A4, "TLS_PSK_WITH_AES_128_CCM"},
423     {0xC0A5, "TLS_PSK_WITH_AES_256_CCM"},
424     {0xC0A6, "TLS_DHE_PSK_WITH_AES_128_CCM"},
425     {0xC0A7, "TLS_DHE_PSK_WITH_AES_256_CCM"},
426     {0xC0A8, "TLS_PSK_WITH_AES_128_CCM_8"},
427     {0xC0A9, "TLS_PSK_WITH_AES_256_CCM_8"},
428     {0xC0AA, "TLS_PSK_DHE_WITH_AES_128_CCM_8"},
429     {0xC0AB, "TLS_PSK_DHE_WITH_AES_256_CCM_8"},
430     {0xC0AC, "TLS_ECDHE_ECDSA_WITH_AES_128_CCM"},
431     {0xC0AD, "TLS_ECDHE_ECDSA_WITH_AES_256_CCM"},
432     {0xC0AE, "TLS_ECDHE_ECDSA_WITH_AES_128_CCM_8"},
433     {0xC0AF, "TLS_ECDHE_ECDSA_WITH_AES_256_CCM_8"},
434     {0xCCA8, "TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256"},
435     {0xCCA9, "TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256"},
436     {0xCCAA, "TLS_DHE_RSA_WITH_CHACHA20_POLY1305_SHA256"},
437     {0xCCAB, "TLS_PSK_WITH_CHACHA20_POLY1305_SHA256"},
438     {0xCCAC, "TLS_ECDHE_PSK_WITH_CHACHA20_POLY1305_SHA256"},
439     {0xCCAD, "TLS_DHE_PSK_WITH_CHACHA20_POLY1305_SHA256"},
440     {0xCCAE, "TLS_RSA_PSK_WITH_CHACHA20_POLY1305_SHA256"},
441     {0x1301, "TLS_AES_128_GCM_SHA256"},
442     {0x1302, "TLS_AES_256_GCM_SHA384"},
443     {0x1303, "TLS_CHACHA20_POLY1305_SHA256"},
444     {0x1304, "TLS_AES_128_CCM_SHA256"},
445     {0x1305, "TLS_AES_128_CCM_8_SHA256"},
446     {0xFEFE, "SSL_RSA_FIPS_WITH_DES_CBC_SHA"},
447     {0xFEFF, "SSL_RSA_FIPS_WITH_3DES_EDE_CBC_SHA"},
448     {0xFF85, "GOST2012-GOST8912-GOST8912"},
449     {0xFF87, "GOST2012-NULL-GOST12"},
450 };
451
452 /* Compression methods */
453 static const ssl_trace_tbl ssl_comp_tbl[] = {
454     {0x0000, "No Compression"},
455     {0x0001, "Zlib Compression"}
456 };
457
458 /* Extensions sorted by ascending id */
459 static const ssl_trace_tbl ssl_exts_tbl[] = {
460     {TLSEXT_TYPE_server_name, "server_name"},
461     {TLSEXT_TYPE_max_fragment_length, "max_fragment_length"},
462     {TLSEXT_TYPE_client_certificate_url, "client_certificate_url"},
463     {TLSEXT_TYPE_trusted_ca_keys, "trusted_ca_keys"},
464     {TLSEXT_TYPE_truncated_hmac, "truncated_hmac"},
465     {TLSEXT_TYPE_status_request, "status_request"},
466     {TLSEXT_TYPE_user_mapping, "user_mapping"},
467     {TLSEXT_TYPE_client_authz, "client_authz"},
468     {TLSEXT_TYPE_server_authz, "server_authz"},
469     {TLSEXT_TYPE_cert_type, "cert_type"},
470     {TLSEXT_TYPE_supported_groups, "supported_groups"},
471     {TLSEXT_TYPE_ec_point_formats, "ec_point_formats"},
472     {TLSEXT_TYPE_srp, "srp"},
473     {TLSEXT_TYPE_signature_algorithms, "signature_algorithms"},
474     {TLSEXT_TYPE_use_srtp, "use_srtp"},
475     {TLSEXT_TYPE_heartbeat, "tls_heartbeat"},
476     {TLSEXT_TYPE_application_layer_protocol_negotiation,
477      "application_layer_protocol_negotiation"},
478     {TLSEXT_TYPE_signed_certificate_timestamp, "signed_certificate_timestamps"},
479     {TLSEXT_TYPE_padding, "padding"},
480     {TLSEXT_TYPE_encrypt_then_mac, "encrypt_then_mac"},
481     {TLSEXT_TYPE_extended_master_secret, "extended_master_secret"},
482     {TLSEXT_TYPE_session_ticket, "session_ticket"},
483     {TLSEXT_TYPE_psk, "psk"},
484     {TLSEXT_TYPE_early_data, "early_data"},
485     {TLSEXT_TYPE_supported_versions, "supported_versions"},
486     {TLSEXT_TYPE_cookie, "cookie_ext"},
487     {TLSEXT_TYPE_psk_kex_modes, "psk_key_exchange_modes"},
488     {TLSEXT_TYPE_certificate_authorities, "certificate_authorities"},
489     {TLSEXT_TYPE_post_handshake_auth, "post_handshake_auth"},
490     {TLSEXT_TYPE_signature_algorithms_cert, "signature_algorithms_cert"},
491     {TLSEXT_TYPE_key_share, "key_share"},
492     {TLSEXT_TYPE_renegotiate, "renegotiate"},
493 # ifndef OPENSSL_NO_NEXTPROTONEG
494     {TLSEXT_TYPE_next_proto_neg, "next_proto_neg"},
495 # endif
496 };
497
498 static const ssl_trace_tbl ssl_groups_tbl[] = {
499     {1, "sect163k1 (K-163)"},
500     {2, "sect163r1"},
501     {3, "sect163r2 (B-163)"},
502     {4, "sect193r1"},
503     {5, "sect193r2"},
504     {6, "sect233k1 (K-233)"},
505     {7, "sect233r1 (B-233)"},
506     {8, "sect239k1"},
507     {9, "sect283k1 (K-283)"},
508     {10, "sect283r1 (B-283)"},
509     {11, "sect409k1 (K-409)"},
510     {12, "sect409r1 (B-409)"},
511     {13, "sect571k1 (K-571)"},
512     {14, "sect571r1 (B-571)"},
513     {15, "secp160k1"},
514     {16, "secp160r1"},
515     {17, "secp160r2"},
516     {18, "secp192k1"},
517     {19, "secp192r1 (P-192)"},
518     {20, "secp224k1"},
519     {21, "secp224r1 (P-224)"},
520     {22, "secp256k1"},
521     {23, "secp256r1 (P-256)"},
522     {24, "secp384r1 (P-384)"},
523     {25, "secp521r1 (P-521)"},
524     {26, "brainpoolP256r1"},
525     {27, "brainpoolP384r1"},
526     {28, "brainpoolP512r1"},
527     {29, "ecdh_x25519"},
528     {30, "ecdh_x448"},
529     {256, "ffdhe2048"},
530     {257, "ffdhe3072"},
531     {258, "ffdhe4096"},
532     {259, "ffdhe6144"},
533     {260, "ffdhe8192"},
534     {0xFF01, "arbitrary_explicit_prime_curves"},
535     {0xFF02, "arbitrary_explicit_char2_curves"}
536 };
537
538 static const ssl_trace_tbl ssl_point_tbl[] = {
539     {0, "uncompressed"},
540     {1, "ansiX962_compressed_prime"},
541     {2, "ansiX962_compressed_char2"}
542 };
543
544 static const ssl_trace_tbl ssl_mfl_tbl[] = {
545     {0, "disabled"},
546     {1, "max_fragment_length := 2^9 (512 bytes)"},
547     {2, "max_fragment_length := 2^10 (1024 bytes)"},
548     {3, "max_fragment_length := 2^11 (2048 bytes)"},
549     {4, "max_fragment_length := 2^12 (4096 bytes)"}
550 };
551
552 static const ssl_trace_tbl ssl_sigalg_tbl[] = {
553     {TLSEXT_SIGALG_ecdsa_secp256r1_sha256, "ecdsa_secp256r1_sha256"},
554     {TLSEXT_SIGALG_ecdsa_secp384r1_sha384, "ecdsa_secp384r1_sha384"},
555     {TLSEXT_SIGALG_ecdsa_secp521r1_sha512, "ecdsa_secp521r1_sha512"},
556     {TLSEXT_SIGALG_ecdsa_sha224, "ecdsa_sha224"},
557     {TLSEXT_SIGALG_ed25519, "ed25519"},
558     {TLSEXT_SIGALG_ed448, "ed448"},
559     {TLSEXT_SIGALG_ecdsa_sha1, "ecdsa_sha1"},
560     {TLSEXT_SIGALG_rsa_pss_rsae_sha256, "rsa_pss_rsae_sha256"},
561     {TLSEXT_SIGALG_rsa_pss_rsae_sha384, "rsa_pss_rsae_sha384"},
562     {TLSEXT_SIGALG_rsa_pss_rsae_sha512, "rsa_pss_rsae_sha512"},
563     {TLSEXT_SIGALG_rsa_pss_pss_sha256, "rsa_pss_pss_sha256"},
564     {TLSEXT_SIGALG_rsa_pss_pss_sha384, "rsa_pss_pss_sha384"},
565     {TLSEXT_SIGALG_rsa_pss_pss_sha512, "rsa_pss_pss_sha512"},
566     {TLSEXT_SIGALG_rsa_pkcs1_sha256, "rsa_pkcs1_sha256"},
567     {TLSEXT_SIGALG_rsa_pkcs1_sha384, "rsa_pkcs1_sha384"},
568     {TLSEXT_SIGALG_rsa_pkcs1_sha512, "rsa_pkcs1_sha512"},
569     {TLSEXT_SIGALG_rsa_pkcs1_sha224, "rsa_pkcs1_sha224"},
570     {TLSEXT_SIGALG_rsa_pkcs1_sha1, "rsa_pkcs1_sha1"},
571     {TLSEXT_SIGALG_dsa_sha256, "dsa_sha256"},
572     {TLSEXT_SIGALG_dsa_sha384, "dsa_sha384"},
573     {TLSEXT_SIGALG_dsa_sha512, "dsa_sha512"},
574     {TLSEXT_SIGALG_dsa_sha224, "dsa_sha224"},
575     {TLSEXT_SIGALG_dsa_sha1, "dsa_sha1"},
576     {TLSEXT_SIGALG_gostr34102012_256_gostr34112012_256, "gost2012_256"},
577     {TLSEXT_SIGALG_gostr34102012_512_gostr34112012_512, "gost2012_512"},
578     {TLSEXT_SIGALG_gostr34102001_gostr3411, "gost2001_gost94"},
579 };
580
581 static const ssl_trace_tbl ssl_ctype_tbl[] = {
582     {1, "rsa_sign"},
583     {2, "dss_sign"},
584     {3, "rsa_fixed_dh"},
585     {4, "dss_fixed_dh"},
586     {5, "rsa_ephemeral_dh"},
587     {6, "dss_ephemeral_dh"},
588     {20, "fortezza_dms"},
589     {64, "ecdsa_sign"},
590     {65, "rsa_fixed_ecdh"},
591     {66, "ecdsa_fixed_ecdh"}
592 };
593
594 static const ssl_trace_tbl ssl_psk_kex_modes_tbl[] = {
595     {TLSEXT_KEX_MODE_KE, "psk_ke"},
596     {TLSEXT_KEX_MODE_KE_DHE, "psk_dhe_ke"}
597 };
598
599 static const ssl_trace_tbl ssl_key_update_tbl[] = {
600     {SSL_KEY_UPDATE_NOT_REQUESTED, "update_not_requested"},
601     {SSL_KEY_UPDATE_REQUESTED, "update_requested"}
602 };
603
604 static void ssl_print_hex(BIO *bio, int indent, const char *name,
605                           const unsigned char *msg, size_t msglen)
606 {
607     size_t i;
608
609     BIO_indent(bio, indent, 80);
610     BIO_printf(bio, "%s (len=%d): ", name, (int)msglen);
611     for (i = 0; i < msglen; i++)
612         BIO_printf(bio, "%02X", msg[i]);
613     BIO_puts(bio, "\n");
614 }
615
616 static int ssl_print_hexbuf(BIO *bio, int indent, const char *name, size_t nlen,
617                             const unsigned char **pmsg, size_t *pmsglen)
618 {
619     size_t blen;
620     const unsigned char *p = *pmsg;
621
622     if (*pmsglen < nlen)
623         return 0;
624     blen = p[0];
625     if (nlen > 1)
626         blen = (blen << 8) | p[1];
627     if (*pmsglen < nlen + blen)
628         return 0;
629     p += nlen;
630     ssl_print_hex(bio, indent, name, p, blen);
631     *pmsg += blen + nlen;
632     *pmsglen -= blen + nlen;
633     return 1;
634 }
635
636 static int ssl_print_version(BIO *bio, int indent, const char *name,
637                              const unsigned char **pmsg, size_t *pmsglen,
638                              unsigned int *version)
639 {
640     int vers;
641
642     if (*pmsglen < 2)
643         return 0;
644     vers = ((*pmsg)[0] << 8) | (*pmsg)[1];
645     if (version != NULL) {
646         /* TODO(TLS1.3): Remove the draft conditional here before release */
647         switch(vers) {
648         case TLS1_3_VERSION_DRAFT_26:
649         case TLS1_3_VERSION_DRAFT_27:
650         case TLS1_3_VERSION_DRAFT:
651             *version = TLS1_3_VERSION;
652             break;
653         default:
654             *version = vers;
655         }
656     }
657     BIO_indent(bio, indent, 80);
658     BIO_printf(bio, "%s=0x%x (%s)\n",
659                name, vers, ssl_trace_str(vers, ssl_version_tbl));
660     *pmsg += 2;
661     *pmsglen -= 2;
662     return 1;
663 }
664
665 static int ssl_print_random(BIO *bio, int indent,
666                             const unsigned char **pmsg, size_t *pmsglen)
667 {
668     unsigned int tm;
669     const unsigned char *p = *pmsg;
670
671     if (*pmsglen < 32)
672         return 0;
673     tm = (p[0] << 24) | (p[1] << 16) | (p[2] << 8) | p[3];
674     p += 4;
675     BIO_indent(bio, indent, 80);
676     BIO_puts(bio, "Random:\n");
677     BIO_indent(bio, indent + 2, 80);
678     BIO_printf(bio, "gmt_unix_time=0x%08X\n", tm);
679     ssl_print_hex(bio, indent + 2, "random_bytes", p, 28);
680     *pmsg += 32;
681     *pmsglen -= 32;
682     return 1;
683 }
684
685 static int ssl_print_signature(BIO *bio, int indent, const SSL *ssl,
686                                const unsigned char **pmsg, size_t *pmsglen)
687 {
688     if (*pmsglen < 2)
689         return 0;
690     if (SSL_USE_SIGALGS(ssl)) {
691         const unsigned char *p = *pmsg;
692         unsigned int sigalg = (p[0] << 8) | p[1];
693
694         BIO_indent(bio, indent, 80);
695         BIO_printf(bio, "Signature Algorithm: %s (0x%04x)\n",
696                    ssl_trace_str(sigalg, ssl_sigalg_tbl), sigalg);
697         *pmsg += 2;
698         *pmsglen -= 2;
699     }
700     return ssl_print_hexbuf(bio, indent, "Signature", 2, pmsg, pmsglen);
701 }
702
703 static int ssl_print_extension(BIO *bio, int indent, int server,
704                                unsigned char mt, int extype,
705                                const unsigned char *ext, size_t extlen)
706 {
707     size_t xlen, share_len;
708     unsigned int sigalg;
709     uint32_t max_early_data;
710
711     BIO_indent(bio, indent, 80);
712     BIO_printf(bio, "extension_type=%s(%d), length=%d\n",
713                ssl_trace_str(extype, ssl_exts_tbl), extype, (int)extlen);
714     switch (extype) {
715     case TLSEXT_TYPE_max_fragment_length:
716         if (extlen < 1)
717             return 0;
718         xlen = extlen;
719         return ssl_trace_list(bio, indent + 2, ext, xlen, 1, ssl_mfl_tbl);
720
721     case TLSEXT_TYPE_ec_point_formats:
722         if (extlen < 1)
723             return 0;
724         xlen = ext[0];
725         if (extlen != xlen + 1)
726             return 0;
727         return ssl_trace_list(bio, indent + 2, ext + 1, xlen, 1, ssl_point_tbl);
728
729     case TLSEXT_TYPE_supported_groups:
730         if (extlen < 2)
731             return 0;
732         xlen = (ext[0] << 8) | ext[1];
733         if (extlen != xlen + 2)
734             return 0;
735         return ssl_trace_list(bio, indent + 2, ext + 2, xlen, 2, ssl_groups_tbl);
736     case TLSEXT_TYPE_application_layer_protocol_negotiation:
737         if (extlen < 2)
738             return 0;
739         xlen = (ext[0] << 8) | ext[1];
740         if (extlen != xlen + 2)
741             return 0;
742         ext += 2;
743         while (xlen > 0) {
744             size_t plen = *ext++;
745
746             if (plen + 1 > xlen)
747                 return 0;
748             BIO_indent(bio, indent + 2, 80);
749             BIO_write(bio, ext, plen);
750             BIO_puts(bio, "\n");
751             ext += plen;
752             xlen -= plen + 1;
753         }
754         return 1;
755
756     case TLSEXT_TYPE_signature_algorithms:
757
758         if (extlen < 2)
759             return 0;
760         xlen = (ext[0] << 8) | ext[1];
761         if (extlen != xlen + 2)
762             return 0;
763         if (xlen & 1)
764             return 0;
765         ext += 2;
766         while (xlen > 0) {
767             BIO_indent(bio, indent + 2, 80);
768             sigalg = (ext[0] << 8) | ext[1];
769             BIO_printf(bio, "%s (0x%04x)\n",
770                        ssl_trace_str(sigalg, ssl_sigalg_tbl), sigalg);
771             xlen -= 2;
772             ext += 2;
773         }
774         break;
775
776     case TLSEXT_TYPE_renegotiate:
777         if (extlen < 1)
778             return 0;
779         xlen = ext[0];
780         if (xlen + 1 != extlen)
781             return 0;
782         ext++;
783         if (xlen) {
784             if (server) {
785                 if (xlen & 1)
786                     return 0;
787                 xlen >>= 1;
788             }
789             ssl_print_hex(bio, indent + 4, "client_verify_data", ext, xlen);
790             if (server) {
791                 ext += xlen;
792                 ssl_print_hex(bio, indent + 4, "server_verify_data", ext, xlen);
793             }
794         } else {
795             BIO_indent(bio, indent + 4, 80);
796             BIO_puts(bio, "<EMPTY>\n");
797         }
798         break;
799
800     case TLSEXT_TYPE_heartbeat:
801         return 0;
802
803     case TLSEXT_TYPE_session_ticket:
804         if (extlen != 0)
805             ssl_print_hex(bio, indent + 4, "ticket", ext, extlen);
806         break;
807
808     case TLSEXT_TYPE_key_share:
809         if (server && extlen == 2) {
810             int group_id;
811
812             /* We assume this is an HRR, otherwise this is an invalid key_share */
813             group_id = (ext[0] << 8) | ext[1];
814             BIO_indent(bio, indent + 4, 80);
815             BIO_printf(bio, "NamedGroup: %s (%d)\n",
816                        ssl_trace_str(group_id, ssl_groups_tbl), group_id);
817             break;
818         }
819         if (extlen < 2)
820             return 0;
821         if (server) {
822             xlen = extlen;
823         } else {
824             xlen = (ext[0] << 8) | ext[1];
825             if (extlen != xlen + 2)
826                 return 0;
827             ext += 2;
828         }
829         for (; xlen > 0; ext += share_len, xlen -= share_len) {
830             int group_id;
831
832             if (xlen < 4)
833                 return 0;
834             group_id = (ext[0] << 8) | ext[1];
835             share_len = (ext[2] << 8) | ext[3];
836             ext += 4;
837             xlen -= 4;
838             if (xlen < share_len)
839                 return 0;
840             BIO_indent(bio, indent + 4, 80);
841             BIO_printf(bio, "NamedGroup: %s (%d)\n",
842                        ssl_trace_str(group_id, ssl_groups_tbl), group_id);
843             ssl_print_hex(bio, indent + 4, "key_exchange: ", ext, share_len);
844         }
845         break;
846
847     case TLSEXT_TYPE_supported_versions:
848         if (server) {
849             int version;
850
851             if (extlen != 2)
852                 return 0;
853             version = (ext[0] << 8) | ext[1];
854             BIO_indent(bio, indent + 4, 80);
855             BIO_printf(bio, "%s (%d)\n",
856                        ssl_trace_str(version, ssl_version_tbl), version);
857             break;
858         }
859         if (extlen < 1)
860             return 0;
861         xlen = ext[0];
862         if (extlen != xlen + 1)
863             return 0;
864         return ssl_trace_list(bio, indent + 2, ext + 1, xlen, 2,
865                               ssl_version_tbl);
866
867     case TLSEXT_TYPE_psk_kex_modes:
868         if (extlen < 1)
869             return 0;
870         xlen = ext[0];
871         if (extlen != xlen + 1)
872             return 0;
873         return ssl_trace_list(bio, indent + 2, ext + 1, xlen, 1,
874                               ssl_psk_kex_modes_tbl);
875
876     case TLSEXT_TYPE_early_data:
877         if (mt != SSL3_MT_NEWSESSION_TICKET)
878             break;
879         if (extlen != 4)
880             return 0;
881         max_early_data = (ext[0] << 24) | (ext[1] << 16) | (ext[2] << 8)
882                          | ext[3];
883         BIO_indent(bio, indent + 2, 80);
884         BIO_printf(bio, "max_early_data=%u\n", max_early_data);
885         break;
886
887     default:
888         BIO_dump_indent(bio, (const char *)ext, extlen, indent + 2);
889     }
890     return 1;
891 }
892
893 static int ssl_print_extensions(BIO *bio, int indent, int server,
894                                 unsigned char mt, const unsigned char **msgin,
895                                 size_t *msginlen)
896 {
897     size_t extslen, msglen = *msginlen;
898     const unsigned char *msg = *msgin;
899
900     BIO_indent(bio, indent, 80);
901     if (msglen == 0) {
902         BIO_puts(bio, "No Extensions\n");
903         return 1;
904     }
905     if (msglen < 2)
906         return 0;
907     extslen = (msg[0] << 8) | msg[1];
908     if (extslen != msglen - 2)
909         return 0;
910     msg += 2;
911     msglen = extslen;
912     BIO_printf(bio, "extensions, length = %d\n", (int)msglen);
913     while (msglen > 0) {
914         int extype;
915         size_t extlen;
916         if (msglen < 4)
917             return 0;
918         extype = (msg[0] << 8) | msg[1];
919         extlen = (msg[2] << 8) | msg[3];
920         if (msglen < extlen + 4) {
921             BIO_printf(bio, "extensions, extype = %d, extlen = %d\n", extype,
922                        (int)extlen);
923             BIO_dump_indent(bio, (const char *)msg, msglen, indent + 2);
924             return 0;
925         }
926         msg += 4;
927         if (!ssl_print_extension(bio, indent + 2, server, mt, extype, msg,
928                                  extlen))
929             return 0;
930         msg += extlen;
931         msglen -= extlen + 4;
932     }
933
934     *msgin = msg;
935     *msginlen = msglen;
936     return 1;
937 }
938
939 static int ssl_print_client_hello(BIO *bio, const SSL *ssl, int indent,
940                                   const unsigned char *msg, size_t msglen)
941 {
942     size_t len;
943     unsigned int cs;
944
945     if (!ssl_print_version(bio, indent, "client_version", &msg, &msglen, NULL))
946         return 0;
947     if (!ssl_print_random(bio, indent, &msg, &msglen))
948         return 0;
949     if (!ssl_print_hexbuf(bio, indent, "session_id", 1, &msg, &msglen))
950         return 0;
951     if (SSL_IS_DTLS(ssl)) {
952         if (!ssl_print_hexbuf(bio, indent, "cookie", 1, &msg, &msglen))
953             return 0;
954     }
955     if (msglen < 2)
956         return 0;
957     len = (msg[0] << 8) | msg[1];
958     msg += 2;
959     msglen -= 2;
960     BIO_indent(bio, indent, 80);
961     BIO_printf(bio, "cipher_suites (len=%d)\n", (int)len);
962     if (msglen < len || len & 1)
963         return 0;
964     while (len > 0) {
965         cs = (msg[0] << 8) | msg[1];
966         BIO_indent(bio, indent + 2, 80);
967         BIO_printf(bio, "{0x%02X, 0x%02X} %s\n",
968                    msg[0], msg[1], ssl_trace_str(cs, ssl_ciphers_tbl));
969         msg += 2;
970         msglen -= 2;
971         len -= 2;
972     }
973     if (msglen < 1)
974         return 0;
975     len = msg[0];
976     msg++;
977     msglen--;
978     if (msglen < len)
979         return 0;
980     BIO_indent(bio, indent, 80);
981     BIO_printf(bio, "compression_methods (len=%d)\n", (int)len);
982     while (len > 0) {
983         BIO_indent(bio, indent + 2, 80);
984         BIO_printf(bio, "%s (0x%02X)\n",
985                    ssl_trace_str(msg[0], ssl_comp_tbl), msg[0]);
986         msg++;
987         msglen--;
988         len--;
989     }
990     if (!ssl_print_extensions(bio, indent, 0, SSL3_MT_CLIENT_HELLO, &msg,
991                               &msglen))
992         return 0;
993     return 1;
994 }
995
996 static int dtls_print_hello_vfyrequest(BIO *bio, int indent,
997                                        const unsigned char *msg, size_t msglen)
998 {
999     if (!ssl_print_version(bio, indent, "server_version", &msg, &msglen, NULL))
1000         return 0;
1001     if (!ssl_print_hexbuf(bio, indent, "cookie", 1, &msg, &msglen))
1002         return 0;
1003     return 1;
1004 }
1005
1006 static int ssl_print_server_hello(BIO *bio, int indent,
1007                                   const unsigned char *msg, size_t msglen)
1008 {
1009     unsigned int cs;
1010     unsigned int vers;
1011
1012     if (!ssl_print_version(bio, indent, "server_version", &msg, &msglen, &vers))
1013         return 0;
1014     if (!ssl_print_random(bio, indent, &msg, &msglen))
1015         return 0;
1016     if (vers != TLS1_3_VERSION
1017             && !ssl_print_hexbuf(bio, indent, "session_id", 1, &msg, &msglen))
1018         return 0;
1019     if (msglen < 2)
1020         return 0;
1021     cs = (msg[0] << 8) | msg[1];
1022     BIO_indent(bio, indent, 80);
1023     BIO_printf(bio, "cipher_suite {0x%02X, 0x%02X} %s\n",
1024                msg[0], msg[1], ssl_trace_str(cs, ssl_ciphers_tbl));
1025     msg += 2;
1026     msglen -= 2;
1027     if (vers != TLS1_3_VERSION) {
1028         if (msglen < 1)
1029             return 0;
1030         BIO_indent(bio, indent, 80);
1031         BIO_printf(bio, "compression_method: %s (0x%02X)\n",
1032                    ssl_trace_str(msg[0], ssl_comp_tbl), msg[0]);
1033         msg++;
1034         msglen--;
1035     }
1036     if (!ssl_print_extensions(bio, indent, 1, SSL3_MT_SERVER_HELLO, &msg,
1037                               &msglen))
1038         return 0;
1039     return 1;
1040 }
1041
1042 static int ssl_get_keyex(const char **pname, const SSL *ssl)
1043 {
1044     unsigned long alg_k = ssl->s3->tmp.new_cipher->algorithm_mkey;
1045
1046     if (alg_k & SSL_kRSA) {
1047         *pname = "rsa";
1048         return SSL_kRSA;
1049     }
1050     if (alg_k & SSL_kDHE) {
1051         *pname = "DHE";
1052         return SSL_kDHE;
1053     }
1054     if (alg_k & SSL_kECDHE) {
1055         *pname = "ECDHE";
1056         return SSL_kECDHE;
1057     }
1058     if (alg_k & SSL_kPSK) {
1059         *pname = "PSK";
1060         return SSL_kPSK;
1061     }
1062     if (alg_k & SSL_kRSAPSK) {
1063         *pname = "RSAPSK";
1064         return SSL_kRSAPSK;
1065     }
1066     if (alg_k & SSL_kDHEPSK) {
1067         *pname = "DHEPSK";
1068         return SSL_kDHEPSK;
1069     }
1070     if (alg_k & SSL_kECDHEPSK) {
1071         *pname = "ECDHEPSK";
1072         return SSL_kECDHEPSK;
1073     }
1074     if (alg_k & SSL_kSRP) {
1075         *pname = "SRP";
1076         return SSL_kSRP;
1077     }
1078     if (alg_k & SSL_kGOST) {
1079         *pname = "GOST";
1080         return SSL_kGOST;
1081     }
1082     *pname = "UNKNOWN";
1083     return 0;
1084 }
1085
1086 static int ssl_print_client_keyex(BIO *bio, int indent, const SSL *ssl,
1087                                   const unsigned char *msg, size_t msglen)
1088 {
1089     const char *algname;
1090     int id = ssl_get_keyex(&algname, ssl);
1091
1092     BIO_indent(bio, indent, 80);
1093     BIO_printf(bio, "KeyExchangeAlgorithm=%s\n", algname);
1094     if (id & SSL_PSK) {
1095         if (!ssl_print_hexbuf(bio, indent + 2,
1096                               "psk_identity", 2, &msg, &msglen))
1097             return 0;
1098     }
1099     switch (id) {
1100
1101     case SSL_kRSA:
1102     case SSL_kRSAPSK:
1103         if (TLS1_get_version(ssl) == SSL3_VERSION) {
1104             ssl_print_hex(bio, indent + 2,
1105                           "EncryptedPreMasterSecret", msg, msglen);
1106         } else {
1107             if (!ssl_print_hexbuf(bio, indent + 2,
1108                                   "EncryptedPreMasterSecret", 2, &msg, &msglen))
1109                 return 0;
1110         }
1111         break;
1112
1113     case SSL_kDHE:
1114     case SSL_kDHEPSK:
1115         if (!ssl_print_hexbuf(bio, indent + 2, "dh_Yc", 2, &msg, &msglen))
1116             return 0;
1117         break;
1118
1119     case SSL_kECDHE:
1120     case SSL_kECDHEPSK:
1121         if (!ssl_print_hexbuf(bio, indent + 2, "ecdh_Yc", 1, &msg, &msglen))
1122             return 0;
1123         break;
1124
1125     }
1126
1127     return !msglen;
1128 }
1129
1130 static int ssl_print_server_keyex(BIO *bio, int indent, const SSL *ssl,
1131                                   const unsigned char *msg, size_t msglen)
1132 {
1133     const char *algname;
1134     int id = ssl_get_keyex(&algname, ssl);
1135
1136     BIO_indent(bio, indent, 80);
1137     BIO_printf(bio, "KeyExchangeAlgorithm=%s\n", algname);
1138     if (id & SSL_PSK) {
1139         if (!ssl_print_hexbuf(bio, indent + 2,
1140                               "psk_identity_hint", 2, &msg, &msglen))
1141             return 0;
1142     }
1143     switch (id) {
1144     case SSL_kRSA:
1145
1146         if (!ssl_print_hexbuf(bio, indent + 2, "rsa_modulus", 2, &msg, &msglen))
1147             return 0;
1148         if (!ssl_print_hexbuf(bio, indent + 2, "rsa_exponent", 2,
1149                               &msg, &msglen))
1150             return 0;
1151         break;
1152
1153     case SSL_kDHE:
1154     case SSL_kDHEPSK:
1155         if (!ssl_print_hexbuf(bio, indent + 2, "dh_p", 2, &msg, &msglen))
1156             return 0;
1157         if (!ssl_print_hexbuf(bio, indent + 2, "dh_g", 2, &msg, &msglen))
1158             return 0;
1159         if (!ssl_print_hexbuf(bio, indent + 2, "dh_Ys", 2, &msg, &msglen))
1160             return 0;
1161         break;
1162
1163 # ifndef OPENSSL_NO_EC
1164     case SSL_kECDHE:
1165     case SSL_kECDHEPSK:
1166         if (msglen < 1)
1167             return 0;
1168         BIO_indent(bio, indent + 2, 80);
1169         if (msg[0] == EXPLICIT_PRIME_CURVE_TYPE)
1170             BIO_puts(bio, "explicit_prime\n");
1171         else if (msg[0] == EXPLICIT_CHAR2_CURVE_TYPE)
1172             BIO_puts(bio, "explicit_char2\n");
1173         else if (msg[0] == NAMED_CURVE_TYPE) {
1174             int curve;
1175             if (msglen < 3)
1176                 return 0;
1177             curve = (msg[1] << 8) | msg[2];
1178             BIO_printf(bio, "named_curve: %s (%d)\n",
1179                        ssl_trace_str(curve, ssl_groups_tbl), curve);
1180             msg += 3;
1181             msglen -= 3;
1182             if (!ssl_print_hexbuf(bio, indent + 2, "point", 1, &msg, &msglen))
1183                 return 0;
1184         } else {
1185             BIO_printf(bio, "UNKNOWN CURVE PARAMETER TYPE %d\n", msg[0]);
1186             return 0;
1187         }
1188         break;
1189 # endif
1190
1191     case SSL_kPSK:
1192     case SSL_kRSAPSK:
1193         break;
1194     }
1195     if (!(id & SSL_PSK))
1196         ssl_print_signature(bio, indent, ssl, &msg, &msglen);
1197     return !msglen;
1198 }
1199
1200 static int ssl_print_certificate(BIO *bio, int indent,
1201                                  const unsigned char **pmsg, size_t *pmsglen)
1202 {
1203     size_t msglen = *pmsglen;
1204     size_t clen;
1205     X509 *x;
1206     const unsigned char *p = *pmsg, *q;
1207
1208     if (msglen < 3)
1209         return 0;
1210     clen = (p[0] << 16) | (p[1] << 8) | p[2];
1211     if (msglen < clen + 3)
1212         return 0;
1213     q = p + 3;
1214     BIO_indent(bio, indent, 80);
1215     BIO_printf(bio, "ASN.1Cert, length=%d", (int)clen);
1216     x = d2i_X509(NULL, &q, clen);
1217     if (!x)
1218         BIO_puts(bio, "<UNPARSEABLE CERTIFICATE>\n");
1219     else {
1220         BIO_puts(bio, "\n------details-----\n");
1221         X509_print_ex(bio, x, XN_FLAG_ONELINE, 0);
1222         PEM_write_bio_X509(bio, x);
1223         /* Print certificate stuff */
1224         BIO_puts(bio, "------------------\n");
1225         X509_free(x);
1226     }
1227     if (q != p + 3 + clen) {
1228         BIO_puts(bio, "<TRAILING GARBAGE AFTER CERTIFICATE>\n");
1229     }
1230     *pmsg += clen + 3;
1231     *pmsglen -= clen + 3;
1232     return 1;
1233 }
1234
1235 static int ssl_print_certificates(BIO *bio, const SSL *ssl, int server,
1236                                   int indent, const unsigned char *msg,
1237                                   size_t msglen)
1238 {
1239     size_t clen;
1240
1241     if (SSL_IS_TLS13(ssl)
1242             && !ssl_print_hexbuf(bio, indent, "context", 1, &msg, &msglen))
1243         return 0;
1244
1245     if (msglen < 3)
1246         return 0;
1247     clen = (msg[0] << 16) | (msg[1] << 8) | msg[2];
1248     if (msglen != clen + 3)
1249         return 0;
1250     msg += 3;
1251     BIO_indent(bio, indent, 80);
1252     BIO_printf(bio, "certificate_list, length=%d\n", (int)clen);
1253     while (clen > 0) {
1254         if (!ssl_print_certificate(bio, indent + 2, &msg, &clen))
1255             return 0;
1256         if (!ssl_print_extensions(bio, indent + 2, server, SSL3_MT_CERTIFICATE,
1257                                   &msg, &clen))
1258             return 0;
1259
1260     }
1261     return 1;
1262 }
1263
1264 static int ssl_print_cert_request(BIO *bio, int indent, const SSL *ssl,
1265                                   const unsigned char *msg, size_t msglen)
1266 {
1267     size_t xlen;
1268     unsigned int sigalg;
1269
1270     if (SSL_IS_TLS13(ssl)) {
1271         if (!ssl_print_hexbuf(bio, indent, "request_context", 1, &msg, &msglen))
1272             return 0;
1273         if (!ssl_print_extensions(bio, indent, 1,
1274                                   SSL3_MT_CERTIFICATE_REQUEST, &msg, &msglen))
1275             return 0;
1276         return 1;
1277     } else {
1278         if (msglen < 1)
1279             return 0;
1280         xlen = msg[0];
1281         if (msglen < xlen + 1)
1282             return 0;
1283         msg++;
1284         BIO_indent(bio, indent, 80);
1285         BIO_printf(bio, "certificate_types (len=%d)\n", (int)xlen);
1286         if (!ssl_trace_list(bio, indent + 2, msg, xlen, 1, ssl_ctype_tbl))
1287             return 0;
1288         msg += xlen;
1289         msglen -= xlen + 1;
1290     }
1291     if (SSL_USE_SIGALGS(ssl)) {
1292         if (msglen < 2)
1293             return 0;
1294         xlen = (msg[0] << 8) | msg[1];
1295         if (msglen < xlen + 2 || (xlen & 1))
1296             return 0;
1297         msg += 2;
1298         msglen -= xlen + 2;
1299         BIO_indent(bio, indent, 80);
1300         BIO_printf(bio, "signature_algorithms (len=%d)\n", (int)xlen);
1301         while (xlen > 0) {
1302             BIO_indent(bio, indent + 2, 80);
1303             sigalg = (msg[0] << 8) | msg[1];
1304             BIO_printf(bio, "%s (0x%04x)\n",
1305                        ssl_trace_str(sigalg, ssl_sigalg_tbl), sigalg);
1306             xlen -= 2;
1307             msg += 2;
1308         }
1309         msg += xlen;
1310     }
1311
1312     if (msglen < 2)
1313         return 0;
1314     xlen = (msg[0] << 8) | msg[1];
1315     BIO_indent(bio, indent, 80);
1316     if (msglen < xlen + 2)
1317         return 0;
1318     msg += 2;
1319     msglen -= 2 + xlen;
1320     BIO_printf(bio, "certificate_authorities (len=%d)\n", (int)xlen);
1321     while (xlen > 0) {
1322         size_t dlen;
1323         X509_NAME *nm;
1324         const unsigned char *p;
1325         if (xlen < 2)
1326             return 0;
1327         dlen = (msg[0] << 8) | msg[1];
1328         if (xlen < dlen + 2)
1329             return 0;
1330         msg += 2;
1331         BIO_indent(bio, indent + 2, 80);
1332         BIO_printf(bio, "DistinguishedName (len=%d): ", (int)dlen);
1333         p = msg;
1334         nm = d2i_X509_NAME(NULL, &p, dlen);
1335         if (!nm) {
1336             BIO_puts(bio, "<UNPARSEABLE DN>\n");
1337         } else {
1338             X509_NAME_print_ex(bio, nm, 0, XN_FLAG_ONELINE);
1339             BIO_puts(bio, "\n");
1340             X509_NAME_free(nm);
1341         }
1342         xlen -= dlen + 2;
1343         msg += dlen;
1344     }
1345     if (SSL_IS_TLS13(ssl)) {
1346         if (!ssl_print_hexbuf(bio, indent, "request_extensions", 2,
1347                               &msg, &msglen))
1348             return 0;
1349     }
1350     return msglen == 0;
1351 }
1352
1353 static int ssl_print_ticket(BIO *bio, int indent, const SSL *ssl,
1354                             const unsigned char *msg, size_t msglen)
1355 {
1356     unsigned int tick_life;
1357
1358     if (msglen == 0) {
1359         BIO_indent(bio, indent + 2, 80);
1360         BIO_puts(bio, "No Ticket\n");
1361         return 1;
1362     }
1363     if (msglen < 4)
1364         return 0;
1365     tick_life = (msg[0] << 24) | (msg[1] << 16) | (msg[2] << 8) | msg[3];
1366     msglen -= 4;
1367     msg += 4;
1368     BIO_indent(bio, indent + 2, 80);
1369     BIO_printf(bio, "ticket_lifetime_hint=%u\n", tick_life);
1370     if (SSL_IS_TLS13(ssl)) {
1371         unsigned int ticket_age_add;
1372
1373         if (msglen < 4)
1374             return 0;
1375         ticket_age_add =
1376             (msg[0] << 24) | (msg[1] << 16) | (msg[2] << 8) | msg[3];
1377         msglen -= 4;
1378         msg += 4;
1379         BIO_indent(bio, indent + 2, 80);
1380         BIO_printf(bio, "ticket_age_add=%u\n", ticket_age_add);
1381         if (!ssl_print_hexbuf(bio, indent + 2, "ticket_nonce", 1, &msg,
1382                               &msglen))
1383             return 0;
1384     }
1385     if (!ssl_print_hexbuf(bio, indent + 2, "ticket", 2, &msg, &msglen))
1386         return 0;
1387     if (SSL_IS_TLS13(ssl)
1388             && !ssl_print_extensions(bio, indent + 2, 0,
1389                                      SSL3_MT_NEWSESSION_TICKET, &msg, &msglen))
1390         return 0;
1391     if (msglen)
1392         return 0;
1393     return 1;
1394 }
1395
1396 static int ssl_print_handshake(BIO *bio, const SSL *ssl, int server,
1397                                const unsigned char *msg, size_t msglen,
1398                                int indent)
1399 {
1400     size_t hlen;
1401     unsigned char htype;
1402
1403     if (msglen < 4)
1404         return 0;
1405     htype = msg[0];
1406     hlen = (msg[1] << 16) | (msg[2] << 8) | msg[3];
1407     BIO_indent(bio, indent, 80);
1408     BIO_printf(bio, "%s, Length=%d\n",
1409                ssl_trace_str(htype, ssl_handshake_tbl), (int)hlen);
1410     msg += 4;
1411     msglen -= 4;
1412     if (SSL_IS_DTLS(ssl)) {
1413         if (msglen < 8)
1414             return 0;
1415         BIO_indent(bio, indent, 80);
1416         BIO_printf(bio, "message_seq=%d, fragment_offset=%d, "
1417                    "fragment_length=%d\n",
1418                    (msg[0] << 8) | msg[1],
1419                    (msg[2] << 16) | (msg[3] << 8) | msg[4],
1420                    (msg[5] << 16) | (msg[6] << 8) | msg[7]);
1421         msg += 8;
1422         msglen -= 8;
1423     }
1424     if (msglen < hlen)
1425         return 0;
1426     switch (htype) {
1427     case SSL3_MT_CLIENT_HELLO:
1428         if (!ssl_print_client_hello(bio, ssl, indent + 2, msg, msglen))
1429             return 0;
1430         break;
1431
1432     case DTLS1_MT_HELLO_VERIFY_REQUEST:
1433         if (!dtls_print_hello_vfyrequest(bio, indent + 2, msg, msglen))
1434             return 0;
1435         break;
1436
1437     case SSL3_MT_SERVER_HELLO:
1438         if (!ssl_print_server_hello(bio, indent + 2, msg, msglen))
1439             return 0;
1440         break;
1441
1442     case SSL3_MT_SERVER_KEY_EXCHANGE:
1443         if (!ssl_print_server_keyex(bio, indent + 2, ssl, msg, msglen))
1444             return 0;
1445         break;
1446
1447     case SSL3_MT_CLIENT_KEY_EXCHANGE:
1448         if (!ssl_print_client_keyex(bio, indent + 2, ssl, msg, msglen))
1449             return 0;
1450         break;
1451
1452     case SSL3_MT_CERTIFICATE:
1453         if (!ssl_print_certificates(bio, ssl, server, indent + 2, msg, msglen))
1454             return 0;
1455         break;
1456
1457     case SSL3_MT_CERTIFICATE_VERIFY:
1458         if (!ssl_print_signature(bio, indent + 2, ssl, &msg, &msglen))
1459             return 0;
1460         break;
1461
1462     case SSL3_MT_CERTIFICATE_REQUEST:
1463         if (!ssl_print_cert_request(bio, indent + 2, ssl, msg, msglen))
1464             return 0;
1465         break;
1466
1467     case SSL3_MT_FINISHED:
1468         ssl_print_hex(bio, indent + 2, "verify_data", msg, msglen);
1469         break;
1470
1471     case SSL3_MT_SERVER_DONE:
1472         if (msglen != 0)
1473             ssl_print_hex(bio, indent + 2, "unexpected value", msg, msglen);
1474         break;
1475
1476     case SSL3_MT_NEWSESSION_TICKET:
1477         if (!ssl_print_ticket(bio, indent + 2, ssl, msg, msglen))
1478             return 0;
1479         break;
1480
1481     case SSL3_MT_ENCRYPTED_EXTENSIONS:
1482         if (!ssl_print_extensions(bio, indent + 2, 1,
1483                                   SSL3_MT_ENCRYPTED_EXTENSIONS, &msg, &msglen))
1484             return 0;
1485         break;
1486
1487     case SSL3_MT_KEY_UPDATE:
1488         if (msglen != 1) {
1489             ssl_print_hex(bio, indent + 2, "unexpected value", msg, msglen);
1490             return 0;
1491         }
1492         if (!ssl_trace_list(bio, indent + 2, msg, msglen, 1,
1493                             ssl_key_update_tbl))
1494             return 0;
1495         break;
1496
1497     default:
1498         BIO_indent(bio, indent + 2, 80);
1499         BIO_puts(bio, "Unsupported, hex dump follows:\n");
1500         BIO_dump_indent(bio, (const char *)msg, msglen, indent + 4);
1501     }
1502     return 1;
1503 }
1504
1505 void SSL_trace(int write_p, int version, int content_type,
1506                const void *buf, size_t msglen, SSL *ssl, void *arg)
1507 {
1508     const unsigned char *msg = buf;
1509     BIO *bio = arg;
1510
1511     switch (content_type) {
1512     case SSL3_RT_HEADER:
1513         {
1514             int hvers;
1515
1516             /* avoid overlapping with length at the end of buffer */
1517             if (msglen < (size_t)(SSL_IS_DTLS(ssl) ?
1518                      DTLS1_RT_HEADER_LENGTH : SSL3_RT_HEADER_LENGTH)) {
1519                 BIO_puts(bio, write_p ? "Sent" : "Received");
1520                 ssl_print_hex(bio, 0, " too short message", msg, msglen);
1521                 break;
1522             }
1523             hvers = msg[1] << 8 | msg[2];
1524             BIO_puts(bio, write_p ? "Sent" : "Received");
1525             BIO_printf(bio, " Record\nHeader:\n  Version = %s (0x%x)\n",
1526                        ssl_trace_str(hvers, ssl_version_tbl), hvers);
1527             if (SSL_IS_DTLS(ssl)) {
1528                 BIO_printf(bio,
1529                            "  epoch=%d, sequence_number=%04x%04x%04x\n",
1530                            (msg[3] << 8 | msg[4]),
1531                            (msg[5] << 8 | msg[6]),
1532                            (msg[7] << 8 | msg[8]), (msg[9] << 8 | msg[10]));
1533             }
1534
1535             BIO_printf(bio, "  Content Type = %s (%d)\n  Length = %d",
1536                        ssl_trace_str(msg[0], ssl_content_tbl), msg[0],
1537                        msg[msglen - 2] << 8 | msg[msglen - 1]);
1538         }
1539         break;
1540
1541     case SSL3_RT_INNER_CONTENT_TYPE:
1542         BIO_printf(bio, "  Inner Content Type = %s (%d)",
1543                    ssl_trace_str(msg[0], ssl_content_tbl), msg[0]);
1544         break;
1545
1546     case SSL3_RT_HANDSHAKE:
1547         if (!ssl_print_handshake(bio, ssl, ssl->server ? write_p : !write_p,
1548                                  msg, msglen, 4))
1549             BIO_printf(bio, "Message length parse error!\n");
1550         break;
1551
1552     case SSL3_RT_CHANGE_CIPHER_SPEC:
1553         if (msglen == 1 && msg[0] == 1)
1554             BIO_puts(bio, "    change_cipher_spec (1)\n");
1555         else
1556             ssl_print_hex(bio, 4, "unknown value", msg, msglen);
1557         break;
1558
1559     case SSL3_RT_ALERT:
1560         if (msglen != 2)
1561             BIO_puts(bio, "    Illegal Alert Length\n");
1562         else {
1563             BIO_printf(bio, "    Level=%s(%d), description=%s(%d)\n",
1564                        SSL_alert_type_string_long(msg[0] << 8),
1565                        msg[0], SSL_alert_desc_string_long(msg[1]), msg[1]);
1566         }
1567
1568     }
1569
1570     BIO_puts(bio, "\n");
1571 }
1572
1573 #endif