1/*
2 * Copyright 2012-2021 The OpenSSL Project Authors. All Rights Reserved.
3 *
4 * Licensed under the Apache License 2.0 (the "License").  You may not use
5 * this file except in compliance with the License.  You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
8 */
9
10#include "ssl_local.h"
11
12#ifndef OPENSSL_NO_SSL_TRACE
13
14/* Packet trace support for OpenSSL */
15
16typedef 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
28static 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
40static 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
62static const ssl_trace_tbl ssl_version_tbl[] = {
63    {SSL3_VERSION, "SSL 3.0"},
64    {TLS1_VERSION, "TLS 1.0"},
65    {TLS1_1_VERSION, "TLS 1.1"},
66    {TLS1_2_VERSION, "TLS 1.2"},
67    {TLS1_3_VERSION, "TLS 1.3"},
68    {DTLS1_VERSION, "DTLS 1.0"},
69    {DTLS1_2_VERSION, "DTLS 1.2"},
70    {DTLS1_BAD_VER, "DTLS 1.0 (bad)"}
71};
72
73static const ssl_trace_tbl ssl_content_tbl[] = {
74    {SSL3_RT_CHANGE_CIPHER_SPEC, "ChangeCipherSpec"},
75    {SSL3_RT_ALERT, "Alert"},
76    {SSL3_RT_HANDSHAKE, "Handshake"},
77    {SSL3_RT_APPLICATION_DATA, "ApplicationData"},
78};
79
80/* Handshake types, sorted by ascending id  */
81static const ssl_trace_tbl ssl_handshake_tbl[] = {
82    {SSL3_MT_HELLO_REQUEST, "HelloRequest"},
83    {SSL3_MT_CLIENT_HELLO, "ClientHello"},
84    {SSL3_MT_SERVER_HELLO, "ServerHello"},
85    {DTLS1_MT_HELLO_VERIFY_REQUEST, "HelloVerifyRequest"},
86    {SSL3_MT_NEWSESSION_TICKET, "NewSessionTicket"},
87    {SSL3_MT_END_OF_EARLY_DATA, "EndOfEarlyData"},
88    {SSL3_MT_ENCRYPTED_EXTENSIONS, "EncryptedExtensions"},
89    {SSL3_MT_CERTIFICATE, "Certificate"},
90    {SSL3_MT_SERVER_KEY_EXCHANGE, "ServerKeyExchange"},
91    {SSL3_MT_CERTIFICATE_REQUEST, "CertificateRequest"},
92    {SSL3_MT_SERVER_DONE, "ServerHelloDone"},
93    {SSL3_MT_CERTIFICATE_VERIFY, "CertificateVerify"},
94    {SSL3_MT_CLIENT_KEY_EXCHANGE, "ClientKeyExchange"},
95    {SSL3_MT_FINISHED, "Finished"},
96    {SSL3_MT_CERTIFICATE_URL, "CertificateUrl"},
97    {SSL3_MT_CERTIFICATE_STATUS, "CertificateStatus"},
98    {SSL3_MT_SUPPLEMENTAL_DATA, "SupplementalData"},
99    {SSL3_MT_KEY_UPDATE, "KeyUpdate"},
100# ifndef OPENSSL_NO_NEXTPROTONEG
101    {SSL3_MT_NEXT_PROTO, "NextProto"},
102# endif
103    {SSL3_MT_MESSAGE_HASH, "MessageHash"}
104};
105
106/* Cipher suites */
107static const ssl_trace_tbl ssl_ciphers_tbl[] = {
108    {0x0000, "TLS_NULL_WITH_NULL_NULL"},
109    {0x0001, "TLS_RSA_WITH_NULL_MD5"},
110    {0x0002, "TLS_RSA_WITH_NULL_SHA"},
111    {0x0003, "TLS_RSA_EXPORT_WITH_RC4_40_MD5"},
112    {0x0004, "TLS_RSA_WITH_RC4_128_MD5"},
113    {0x0005, "TLS_RSA_WITH_RC4_128_SHA"},
114    {0x0006, "TLS_RSA_EXPORT_WITH_RC2_CBC_40_MD5"},
115    {0x0007, "TLS_RSA_WITH_IDEA_CBC_SHA"},
116    {0x0008, "TLS_RSA_EXPORT_WITH_DES40_CBC_SHA"},
117    {0x0009, "TLS_RSA_WITH_DES_CBC_SHA"},
118    {0x000A, "TLS_RSA_WITH_3DES_EDE_CBC_SHA"},
119    {0x000B, "TLS_DH_DSS_EXPORT_WITH_DES40_CBC_SHA"},
120    {0x000C, "TLS_DH_DSS_WITH_DES_CBC_SHA"},
121    {0x000D, "TLS_DH_DSS_WITH_3DES_EDE_CBC_SHA"},
122    {0x000E, "TLS_DH_RSA_EXPORT_WITH_DES40_CBC_SHA"},
123    {0x000F, "TLS_DH_RSA_WITH_DES_CBC_SHA"},
124    {0x0010, "TLS_DH_RSA_WITH_3DES_EDE_CBC_SHA"},
125    {0x0011, "TLS_DHE_DSS_EXPORT_WITH_DES40_CBC_SHA"},
126    {0x0012, "TLS_DHE_DSS_WITH_DES_CBC_SHA"},
127    {0x0013, "TLS_DHE_DSS_WITH_3DES_EDE_CBC_SHA"},
128    {0x0014, "TLS_DHE_RSA_EXPORT_WITH_DES40_CBC_SHA"},
129    {0x0015, "TLS_DHE_RSA_WITH_DES_CBC_SHA"},
130    {0x0016, "TLS_DHE_RSA_WITH_3DES_EDE_CBC_SHA"},
131    {0x0017, "TLS_DH_anon_EXPORT_WITH_RC4_40_MD5"},
132    {0x0018, "TLS_DH_anon_WITH_RC4_128_MD5"},
133    {0x0019, "TLS_DH_anon_EXPORT_WITH_DES40_CBC_SHA"},
134    {0x001A, "TLS_DH_anon_WITH_DES_CBC_SHA"},
135    {0x001B, "TLS_DH_anon_WITH_3DES_EDE_CBC_SHA"},
136    {0x001D, "SSL_FORTEZZA_KEA_WITH_FORTEZZA_CBC_SHA"},
137    {0x001E, "SSL_FORTEZZA_KEA_WITH_RC4_128_SHA"},
138    {0x001F, "TLS_KRB5_WITH_3DES_EDE_CBC_SHA"},
139    {0x0020, "TLS_KRB5_WITH_RC4_128_SHA"},
140    {0x0021, "TLS_KRB5_WITH_IDEA_CBC_SHA"},
141    {0x0022, "TLS_KRB5_WITH_DES_CBC_MD5"},
142    {0x0023, "TLS_KRB5_WITH_3DES_EDE_CBC_MD5"},
143    {0x0024, "TLS_KRB5_WITH_RC4_128_MD5"},
144    {0x0025, "TLS_KRB5_WITH_IDEA_CBC_MD5"},
145    {0x0026, "TLS_KRB5_EXPORT_WITH_DES_CBC_40_SHA"},
146    {0x0027, "TLS_KRB5_EXPORT_WITH_RC2_CBC_40_SHA"},
147    {0x0028, "TLS_KRB5_EXPORT_WITH_RC4_40_SHA"},
148    {0x0029, "TLS_KRB5_EXPORT_WITH_DES_CBC_40_MD5"},
149    {0x002A, "TLS_KRB5_EXPORT_WITH_RC2_CBC_40_MD5"},
150    {0x002B, "TLS_KRB5_EXPORT_WITH_RC4_40_MD5"},
151    {0x002C, "TLS_PSK_WITH_NULL_SHA"},
152    {0x002D, "TLS_DHE_PSK_WITH_NULL_SHA"},
153    {0x002E, "TLS_RSA_PSK_WITH_NULL_SHA"},
154    {0x002F, "TLS_RSA_WITH_AES_128_CBC_SHA"},
155    {0x0030, "TLS_DH_DSS_WITH_AES_128_CBC_SHA"},
156    {0x0031, "TLS_DH_RSA_WITH_AES_128_CBC_SHA"},
157    {0x0032, "TLS_DHE_DSS_WITH_AES_128_CBC_SHA"},
158    {0x0033, "TLS_DHE_RSA_WITH_AES_128_CBC_SHA"},
159    {0x0034, "TLS_DH_anon_WITH_AES_128_CBC_SHA"},
160    {0x0035, "TLS_RSA_WITH_AES_256_CBC_SHA"},
161    {0x0036, "TLS_DH_DSS_WITH_AES_256_CBC_SHA"},
162    {0x0037, "TLS_DH_RSA_WITH_AES_256_CBC_SHA"},
163    {0x0038, "TLS_DHE_DSS_WITH_AES_256_CBC_SHA"},
164    {0x0039, "TLS_DHE_RSA_WITH_AES_256_CBC_SHA"},
165    {0x003A, "TLS_DH_anon_WITH_AES_256_CBC_SHA"},
166    {0x003B, "TLS_RSA_WITH_NULL_SHA256"},
167    {0x003C, "TLS_RSA_WITH_AES_128_CBC_SHA256"},
168    {0x003D, "TLS_RSA_WITH_AES_256_CBC_SHA256"},
169    {0x003E, "TLS_DH_DSS_WITH_AES_128_CBC_SHA256"},
170    {0x003F, "TLS_DH_RSA_WITH_AES_128_CBC_SHA256"},
171    {0x0040, "TLS_DHE_DSS_WITH_AES_128_CBC_SHA256"},
172    {0x0041, "TLS_RSA_WITH_CAMELLIA_128_CBC_SHA"},
173    {0x0042, "TLS_DH_DSS_WITH_CAMELLIA_128_CBC_SHA"},
174    {0x0043, "TLS_DH_RSA_WITH_CAMELLIA_128_CBC_SHA"},
175    {0x0044, "TLS_DHE_DSS_WITH_CAMELLIA_128_CBC_SHA"},
176    {0x0045, "TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA"},
177    {0x0046, "TLS_DH_anon_WITH_CAMELLIA_128_CBC_SHA"},
178    {0x0067, "TLS_DHE_RSA_WITH_AES_128_CBC_SHA256"},
179    {0x0068, "TLS_DH_DSS_WITH_AES_256_CBC_SHA256"},
180    {0x0069, "TLS_DH_RSA_WITH_AES_256_CBC_SHA256"},
181    {0x006A, "TLS_DHE_DSS_WITH_AES_256_CBC_SHA256"},
182    {0x006B, "TLS_DHE_RSA_WITH_AES_256_CBC_SHA256"},
183    {0x006C, "TLS_DH_anon_WITH_AES_128_CBC_SHA256"},
184    {0x006D, "TLS_DH_anon_WITH_AES_256_CBC_SHA256"},
185    {0x0081, "TLS_GOSTR341001_WITH_28147_CNT_IMIT"},
186    {0x0083, "TLS_GOSTR341001_WITH_NULL_GOSTR3411"},
187    {0x0084, "TLS_RSA_WITH_CAMELLIA_256_CBC_SHA"},
188    {0x0085, "TLS_DH_DSS_WITH_CAMELLIA_256_CBC_SHA"},
189    {0x0086, "TLS_DH_RSA_WITH_CAMELLIA_256_CBC_SHA"},
190    {0x0087, "TLS_DHE_DSS_WITH_CAMELLIA_256_CBC_SHA"},
191    {0x0088, "TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA"},
192    {0x0089, "TLS_DH_anon_WITH_CAMELLIA_256_CBC_SHA"},
193    {0x008A, "TLS_PSK_WITH_RC4_128_SHA"},
194    {0x008B, "TLS_PSK_WITH_3DES_EDE_CBC_SHA"},
195    {0x008C, "TLS_PSK_WITH_AES_128_CBC_SHA"},
196    {0x008D, "TLS_PSK_WITH_AES_256_CBC_SHA"},
197    {0x008E, "TLS_DHE_PSK_WITH_RC4_128_SHA"},
198    {0x008F, "TLS_DHE_PSK_WITH_3DES_EDE_CBC_SHA"},
199    {0x0090, "TLS_DHE_PSK_WITH_AES_128_CBC_SHA"},
200    {0x0091, "TLS_DHE_PSK_WITH_AES_256_CBC_SHA"},
201    {0x0092, "TLS_RSA_PSK_WITH_RC4_128_SHA"},
202    {0x0093, "TLS_RSA_PSK_WITH_3DES_EDE_CBC_SHA"},
203    {0x0094, "TLS_RSA_PSK_WITH_AES_128_CBC_SHA"},
204    {0x0095, "TLS_RSA_PSK_WITH_AES_256_CBC_SHA"},
205    {0x0096, "TLS_RSA_WITH_SEED_CBC_SHA"},
206    {0x0097, "TLS_DH_DSS_WITH_SEED_CBC_SHA"},
207    {0x0098, "TLS_DH_RSA_WITH_SEED_CBC_SHA"},
208    {0x0099, "TLS_DHE_DSS_WITH_SEED_CBC_SHA"},
209    {0x009A, "TLS_DHE_RSA_WITH_SEED_CBC_SHA"},
210    {0x009B, "TLS_DH_anon_WITH_SEED_CBC_SHA"},
211    {0x009C, "TLS_RSA_WITH_AES_128_GCM_SHA256"},
212    {0x009D, "TLS_RSA_WITH_AES_256_GCM_SHA384"},
213    {0x009E, "TLS_DHE_RSA_WITH_AES_128_GCM_SHA256"},
214    {0x009F, "TLS_DHE_RSA_WITH_AES_256_GCM_SHA384"},
215    {0x00A0, "TLS_DH_RSA_WITH_AES_128_GCM_SHA256"},
216    {0x00A1, "TLS_DH_RSA_WITH_AES_256_GCM_SHA384"},
217    {0x00A2, "TLS_DHE_DSS_WITH_AES_128_GCM_SHA256"},
218    {0x00A3, "TLS_DHE_DSS_WITH_AES_256_GCM_SHA384"},
219    {0x00A4, "TLS_DH_DSS_WITH_AES_128_GCM_SHA256"},
220    {0x00A5, "TLS_DH_DSS_WITH_AES_256_GCM_SHA384"},
221    {0x00A6, "TLS_DH_anon_WITH_AES_128_GCM_SHA256"},
222    {0x00A7, "TLS_DH_anon_WITH_AES_256_GCM_SHA384"},
223    {0x00A8, "TLS_PSK_WITH_AES_128_GCM_SHA256"},
224    {0x00A9, "TLS_PSK_WITH_AES_256_GCM_SHA384"},
225    {0x00AA, "TLS_DHE_PSK_WITH_AES_128_GCM_SHA256"},
226    {0x00AB, "TLS_DHE_PSK_WITH_AES_256_GCM_SHA384"},
227    {0x00AC, "TLS_RSA_PSK_WITH_AES_128_GCM_SHA256"},
228    {0x00AD, "TLS_RSA_PSK_WITH_AES_256_GCM_SHA384"},
229    {0x00AE, "TLS_PSK_WITH_AES_128_CBC_SHA256"},
230    {0x00AF, "TLS_PSK_WITH_AES_256_CBC_SHA384"},
231    {0x00B0, "TLS_PSK_WITH_NULL_SHA256"},
232    {0x00B1, "TLS_PSK_WITH_NULL_SHA384"},
233    {0x00B2, "TLS_DHE_PSK_WITH_AES_128_CBC_SHA256"},
234    {0x00B3, "TLS_DHE_PSK_WITH_AES_256_CBC_SHA384"},
235    {0x00B4, "TLS_DHE_PSK_WITH_NULL_SHA256"},
236    {0x00B5, "TLS_DHE_PSK_WITH_NULL_SHA384"},
237    {0x00B6, "TLS_RSA_PSK_WITH_AES_128_CBC_SHA256"},
238    {0x00B7, "TLS_RSA_PSK_WITH_AES_256_CBC_SHA384"},
239    {0x00B8, "TLS_RSA_PSK_WITH_NULL_SHA256"},
240    {0x00B9, "TLS_RSA_PSK_WITH_NULL_SHA384"},
241    {0x00BA, "TLS_RSA_WITH_CAMELLIA_128_CBC_SHA256"},
242    {0x00BB, "TLS_DH_DSS_WITH_CAMELLIA_128_CBC_SHA256"},
243    {0x00BC, "TLS_DH_RSA_WITH_CAMELLIA_128_CBC_SHA256"},
244    {0x00BD, "TLS_DHE_DSS_WITH_CAMELLIA_128_CBC_SHA256"},
245    {0x00BE, "TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA256"},
246    {0x00BF, "TLS_DH_anon_WITH_CAMELLIA_128_CBC_SHA256"},
247    {0x00C0, "TLS_RSA_WITH_CAMELLIA_256_CBC_SHA256"},
248    {0x00C1, "TLS_DH_DSS_WITH_CAMELLIA_256_CBC_SHA256"},
249    {0x00C2, "TLS_DH_RSA_WITH_CAMELLIA_256_CBC_SHA256"},
250    {0x00C3, "TLS_DHE_DSS_WITH_CAMELLIA_256_CBC_SHA256"},
251    {0x00C4, "TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA256"},
252    {0x00C5, "TLS_DH_anon_WITH_CAMELLIA_256_CBC_SHA256"},
253    {0x00FF, "TLS_EMPTY_RENEGOTIATION_INFO_SCSV"},
254    {0x5600, "TLS_FALLBACK_SCSV"},
255    {0xC001, "TLS_ECDH_ECDSA_WITH_NULL_SHA"},
256    {0xC002, "TLS_ECDH_ECDSA_WITH_RC4_128_SHA"},
257    {0xC003, "TLS_ECDH_ECDSA_WITH_3DES_EDE_CBC_SHA"},
258    {0xC004, "TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA"},
259    {0xC005, "TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA"},
260    {0xC006, "TLS_ECDHE_ECDSA_WITH_NULL_SHA"},
261    {0xC007, "TLS_ECDHE_ECDSA_WITH_RC4_128_SHA"},
262    {0xC008, "TLS_ECDHE_ECDSA_WITH_3DES_EDE_CBC_SHA"},
263    {0xC009, "TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA"},
264    {0xC00A, "TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA"},
265    {0xC00B, "TLS_ECDH_RSA_WITH_NULL_SHA"},
266    {0xC00C, "TLS_ECDH_RSA_WITH_RC4_128_SHA"},
267    {0xC00D, "TLS_ECDH_RSA_WITH_3DES_EDE_CBC_SHA"},
268    {0xC00E, "TLS_ECDH_RSA_WITH_AES_128_CBC_SHA"},
269    {0xC00F, "TLS_ECDH_RSA_WITH_AES_256_CBC_SHA"},
270    {0xC010, "TLS_ECDHE_RSA_WITH_NULL_SHA"},
271    {0xC011, "TLS_ECDHE_RSA_WITH_RC4_128_SHA"},
272    {0xC012, "TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA"},
273    {0xC013, "TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA"},
274    {0xC014, "TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA"},
275    {0xC015, "TLS_ECDH_anon_WITH_NULL_SHA"},
276    {0xC016, "TLS_ECDH_anon_WITH_RC4_128_SHA"},
277    {0xC017, "TLS_ECDH_anon_WITH_3DES_EDE_CBC_SHA"},
278    {0xC018, "TLS_ECDH_anon_WITH_AES_128_CBC_SHA"},
279    {0xC019, "TLS_ECDH_anon_WITH_AES_256_CBC_SHA"},
280    {0xC01A, "TLS_SRP_SHA_WITH_3DES_EDE_CBC_SHA"},
281    {0xC01B, "TLS_SRP_SHA_RSA_WITH_3DES_EDE_CBC_SHA"},
282    {0xC01C, "TLS_SRP_SHA_DSS_WITH_3DES_EDE_CBC_SHA"},
283    {0xC01D, "TLS_SRP_SHA_WITH_AES_128_CBC_SHA"},
284    {0xC01E, "TLS_SRP_SHA_RSA_WITH_AES_128_CBC_SHA"},
285    {0xC01F, "TLS_SRP_SHA_DSS_WITH_AES_128_CBC_SHA"},
286    {0xC020, "TLS_SRP_SHA_WITH_AES_256_CBC_SHA"},
287    {0xC021, "TLS_SRP_SHA_RSA_WITH_AES_256_CBC_SHA"},
288    {0xC022, "TLS_SRP_SHA_DSS_WITH_AES_256_CBC_SHA"},
289    {0xC023, "TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256"},
290    {0xC024, "TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384"},
291    {0xC025, "TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA256"},
292    {0xC026, "TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA384"},
293    {0xC027, "TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256"},
294    {0xC028, "TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384"},
295    {0xC029, "TLS_ECDH_RSA_WITH_AES_128_CBC_SHA256"},
296    {0xC02A, "TLS_ECDH_RSA_WITH_AES_256_CBC_SHA384"},
297    {0xC02B, "TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256"},
298    {0xC02C, "TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384"},
299    {0xC02D, "TLS_ECDH_ECDSA_WITH_AES_128_GCM_SHA256"},
300    {0xC02E, "TLS_ECDH_ECDSA_WITH_AES_256_GCM_SHA384"},
301    {0xC02F, "TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256"},
302    {0xC030, "TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384"},
303    {0xC031, "TLS_ECDH_RSA_WITH_AES_128_GCM_SHA256"},
304    {0xC032, "TLS_ECDH_RSA_WITH_AES_256_GCM_SHA384"},
305    {0xC033, "TLS_ECDHE_PSK_WITH_RC4_128_SHA"},
306    {0xC034, "TLS_ECDHE_PSK_WITH_3DES_EDE_CBC_SHA"},
307    {0xC035, "TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA"},
308    {0xC036, "TLS_ECDHE_PSK_WITH_AES_256_CBC_SHA"},
309    {0xC037, "TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA256"},
310    {0xC038, "TLS_ECDHE_PSK_WITH_AES_256_CBC_SHA384"},
311    {0xC039, "TLS_ECDHE_PSK_WITH_NULL_SHA"},
312    {0xC03A, "TLS_ECDHE_PSK_WITH_NULL_SHA256"},
313    {0xC03B, "TLS_ECDHE_PSK_WITH_NULL_SHA384"},
314    {0xC03C, "TLS_RSA_WITH_ARIA_128_CBC_SHA256"},
315    {0xC03D, "TLS_RSA_WITH_ARIA_256_CBC_SHA384"},
316    {0xC03E, "TLS_DH_DSS_WITH_ARIA_128_CBC_SHA256"},
317    {0xC03F, "TLS_DH_DSS_WITH_ARIA_256_CBC_SHA384"},
318    {0xC040, "TLS_DH_RSA_WITH_ARIA_128_CBC_SHA256"},
319    {0xC041, "TLS_DH_RSA_WITH_ARIA_256_CBC_SHA384"},
320    {0xC042, "TLS_DHE_DSS_WITH_ARIA_128_CBC_SHA256"},
321    {0xC043, "TLS_DHE_DSS_WITH_ARIA_256_CBC_SHA384"},
322    {0xC044, "TLS_DHE_RSA_WITH_ARIA_128_CBC_SHA256"},
323    {0xC045, "TLS_DHE_RSA_WITH_ARIA_256_CBC_SHA384"},
324    {0xC046, "TLS_DH_anon_WITH_ARIA_128_CBC_SHA256"},
325    {0xC047, "TLS_DH_anon_WITH_ARIA_256_CBC_SHA384"},
326    {0xC048, "TLS_ECDHE_ECDSA_WITH_ARIA_128_CBC_SHA256"},
327    {0xC049, "TLS_ECDHE_ECDSA_WITH_ARIA_256_CBC_SHA384"},
328    {0xC04A, "TLS_ECDH_ECDSA_WITH_ARIA_128_CBC_SHA256"},
329    {0xC04B, "TLS_ECDH_ECDSA_WITH_ARIA_256_CBC_SHA384"},
330    {0xC04C, "TLS_ECDHE_RSA_WITH_ARIA_128_CBC_SHA256"},
331    {0xC04D, "TLS_ECDHE_RSA_WITH_ARIA_256_CBC_SHA384"},
332    {0xC04E, "TLS_ECDH_RSA_WITH_ARIA_128_CBC_SHA256"},
333    {0xC04F, "TLS_ECDH_RSA_WITH_ARIA_256_CBC_SHA384"},
334    {0xC050, "TLS_RSA_WITH_ARIA_128_GCM_SHA256"},
335    {0xC051, "TLS_RSA_WITH_ARIA_256_GCM_SHA384"},
336    {0xC052, "TLS_DHE_RSA_WITH_ARIA_128_GCM_SHA256"},
337    {0xC053, "TLS_DHE_RSA_WITH_ARIA_256_GCM_SHA384"},
338    {0xC054, "TLS_DH_RSA_WITH_ARIA_128_GCM_SHA256"},
339    {0xC055, "TLS_DH_RSA_WITH_ARIA_256_GCM_SHA384"},
340    {0xC056, "TLS_DHE_DSS_WITH_ARIA_128_GCM_SHA256"},
341    {0xC057, "TLS_DHE_DSS_WITH_ARIA_256_GCM_SHA384"},
342    {0xC058, "TLS_DH_DSS_WITH_ARIA_128_GCM_SHA256"},
343    {0xC059, "TLS_DH_DSS_WITH_ARIA_256_GCM_SHA384"},
344    {0xC05A, "TLS_DH_anon_WITH_ARIA_128_GCM_SHA256"},
345    {0xC05B, "TLS_DH_anon_WITH_ARIA_256_GCM_SHA384"},
346    {0xC05C, "TLS_ECDHE_ECDSA_WITH_ARIA_128_GCM_SHA256"},
347    {0xC05D, "TLS_ECDHE_ECDSA_WITH_ARIA_256_GCM_SHA384"},
348    {0xC05E, "TLS_ECDH_ECDSA_WITH_ARIA_128_GCM_SHA256"},
349    {0xC05F, "TLS_ECDH_ECDSA_WITH_ARIA_256_GCM_SHA384"},
350    {0xC060, "TLS_ECDHE_RSA_WITH_ARIA_128_GCM_SHA256"},
351    {0xC061, "TLS_ECDHE_RSA_WITH_ARIA_256_GCM_SHA384"},
352    {0xC062, "TLS_ECDH_RSA_WITH_ARIA_128_GCM_SHA256"},
353    {0xC063, "TLS_ECDH_RSA_WITH_ARIA_256_GCM_SHA384"},
354    {0xC064, "TLS_PSK_WITH_ARIA_128_CBC_SHA256"},
355    {0xC065, "TLS_PSK_WITH_ARIA_256_CBC_SHA384"},
356    {0xC066, "TLS_DHE_PSK_WITH_ARIA_128_CBC_SHA256"},
357    {0xC067, "TLS_DHE_PSK_WITH_ARIA_256_CBC_SHA384"},
358    {0xC068, "TLS_RSA_PSK_WITH_ARIA_128_CBC_SHA256"},
359    {0xC069, "TLS_RSA_PSK_WITH_ARIA_256_CBC_SHA384"},
360    {0xC06A, "TLS_PSK_WITH_ARIA_128_GCM_SHA256"},
361    {0xC06B, "TLS_PSK_WITH_ARIA_256_GCM_SHA384"},
362    {0xC06C, "TLS_DHE_PSK_WITH_ARIA_128_GCM_SHA256"},
363    {0xC06D, "TLS_DHE_PSK_WITH_ARIA_256_GCM_SHA384"},
364    {0xC06E, "TLS_RSA_PSK_WITH_ARIA_128_GCM_SHA256"},
365    {0xC06F, "TLS_RSA_PSK_WITH_ARIA_256_GCM_SHA384"},
366    {0xC070, "TLS_ECDHE_PSK_WITH_ARIA_128_CBC_SHA256"},
367    {0xC071, "TLS_ECDHE_PSK_WITH_ARIA_256_CBC_SHA384"},
368    {0xC072, "TLS_ECDHE_ECDSA_WITH_CAMELLIA_128_CBC_SHA256"},
369    {0xC073, "TLS_ECDHE_ECDSA_WITH_CAMELLIA_256_CBC_SHA384"},
370    {0xC074, "TLS_ECDH_ECDSA_WITH_CAMELLIA_128_CBC_SHA256"},
371    {0xC075, "TLS_ECDH_ECDSA_WITH_CAMELLIA_256_CBC_SHA384"},
372    {0xC076, "TLS_ECDHE_RSA_WITH_CAMELLIA_128_CBC_SHA256"},
373    {0xC077, "TLS_ECDHE_RSA_WITH_CAMELLIA_256_CBC_SHA384"},
374    {0xC078, "TLS_ECDH_RSA_WITH_CAMELLIA_128_CBC_SHA256"},
375    {0xC079, "TLS_ECDH_RSA_WITH_CAMELLIA_256_CBC_SHA384"},
376    {0xC07A, "TLS_RSA_WITH_CAMELLIA_128_GCM_SHA256"},
377    {0xC07B, "TLS_RSA_WITH_CAMELLIA_256_GCM_SHA384"},
378    {0xC07C, "TLS_DHE_RSA_WITH_CAMELLIA_128_GCM_SHA256"},
379    {0xC07D, "TLS_DHE_RSA_WITH_CAMELLIA_256_GCM_SHA384"},
380    {0xC07E, "TLS_DH_RSA_WITH_CAMELLIA_128_GCM_SHA256"},
381    {0xC07F, "TLS_DH_RSA_WITH_CAMELLIA_256_GCM_SHA384"},
382    {0xC080, "TLS_DHE_DSS_WITH_CAMELLIA_128_GCM_SHA256"},
383    {0xC081, "TLS_DHE_DSS_WITH_CAMELLIA_256_GCM_SHA384"},
384    {0xC082, "TLS_DH_DSS_WITH_CAMELLIA_128_GCM_SHA256"},
385    {0xC083, "TLS_DH_DSS_WITH_CAMELLIA_256_GCM_SHA384"},
386    {0xC084, "TLS_DH_anon_WITH_CAMELLIA_128_GCM_SHA256"},
387    {0xC085, "TLS_DH_anon_WITH_CAMELLIA_256_GCM_SHA384"},
388    {0xC086, "TLS_ECDHE_ECDSA_WITH_CAMELLIA_128_GCM_SHA256"},
389    {0xC087, "TLS_ECDHE_ECDSA_WITH_CAMELLIA_256_GCM_SHA384"},
390    {0xC088, "TLS_ECDH_ECDSA_WITH_CAMELLIA_128_GCM_SHA256"},
391    {0xC089, "TLS_ECDH_ECDSA_WITH_CAMELLIA_256_GCM_SHA384"},
392    {0xC08A, "TLS_ECDHE_RSA_WITH_CAMELLIA_128_GCM_SHA256"},
393    {0xC08B, "TLS_ECDHE_RSA_WITH_CAMELLIA_256_GCM_SHA384"},
394    {0xC08C, "TLS_ECDH_RSA_WITH_CAMELLIA_128_GCM_SHA256"},
395    {0xC08D, "TLS_ECDH_RSA_WITH_CAMELLIA_256_GCM_SHA384"},
396    {0xC08E, "TLS_PSK_WITH_CAMELLIA_128_GCM_SHA256"},
397    {0xC08F, "TLS_PSK_WITH_CAMELLIA_256_GCM_SHA384"},
398    {0xC090, "TLS_DHE_PSK_WITH_CAMELLIA_128_GCM_SHA256"},
399    {0xC091, "TLS_DHE_PSK_WITH_CAMELLIA_256_GCM_SHA384"},
400    {0xC092, "TLS_RSA_PSK_WITH_CAMELLIA_128_GCM_SHA256"},
401    {0xC093, "TLS_RSA_PSK_WITH_CAMELLIA_256_GCM_SHA384"},
402    {0xC094, "TLS_PSK_WITH_CAMELLIA_128_CBC_SHA256"},
403    {0xC095, "TLS_PSK_WITH_CAMELLIA_256_CBC_SHA384"},
404    {0xC096, "TLS_DHE_PSK_WITH_CAMELLIA_128_CBC_SHA256"},
405    {0xC097, "TLS_DHE_PSK_WITH_CAMELLIA_256_CBC_SHA384"},
406    {0xC098, "TLS_RSA_PSK_WITH_CAMELLIA_128_CBC_SHA256"},
407    {0xC099, "TLS_RSA_PSK_WITH_CAMELLIA_256_CBC_SHA384"},
408    {0xC09A, "TLS_ECDHE_PSK_WITH_CAMELLIA_128_CBC_SHA256"},
409    {0xC09B, "TLS_ECDHE_PSK_WITH_CAMELLIA_256_CBC_SHA384"},
410    {0xC09C, "TLS_RSA_WITH_AES_128_CCM"},
411    {0xC09D, "TLS_RSA_WITH_AES_256_CCM"},
412    {0xC09E, "TLS_DHE_RSA_WITH_AES_128_CCM"},
413    {0xC09F, "TLS_DHE_RSA_WITH_AES_256_CCM"},
414    {0xC0A0, "TLS_RSA_WITH_AES_128_CCM_8"},
415    {0xC0A1, "TLS_RSA_WITH_AES_256_CCM_8"},
416    {0xC0A2, "TLS_DHE_RSA_WITH_AES_128_CCM_8"},
417    {0xC0A3, "TLS_DHE_RSA_WITH_AES_256_CCM_8"},
418    {0xC0A4, "TLS_PSK_WITH_AES_128_CCM"},
419    {0xC0A5, "TLS_PSK_WITH_AES_256_CCM"},
420    {0xC0A6, "TLS_DHE_PSK_WITH_AES_128_CCM"},
421    {0xC0A7, "TLS_DHE_PSK_WITH_AES_256_CCM"},
422    {0xC0A8, "TLS_PSK_WITH_AES_128_CCM_8"},
423    {0xC0A9, "TLS_PSK_WITH_AES_256_CCM_8"},
424    {0xC0AA, "TLS_PSK_DHE_WITH_AES_128_CCM_8"},
425    {0xC0AB, "TLS_PSK_DHE_WITH_AES_256_CCM_8"},
426    {0xC0AC, "TLS_ECDHE_ECDSA_WITH_AES_128_CCM"},
427    {0xC0AD, "TLS_ECDHE_ECDSA_WITH_AES_256_CCM"},
428    {0xC0AE, "TLS_ECDHE_ECDSA_WITH_AES_128_CCM_8"},
429    {0xC0AF, "TLS_ECDHE_ECDSA_WITH_AES_256_CCM_8"},
430    {0xC102, "IANA-GOST2012-GOST8912-GOST8912"},
431    {0xCCA8, "TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256"},
432    {0xCCA9, "TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256"},
433    {0xCCAA, "TLS_DHE_RSA_WITH_CHACHA20_POLY1305_SHA256"},
434    {0xCCAB, "TLS_PSK_WITH_CHACHA20_POLY1305_SHA256"},
435    {0xCCAC, "TLS_ECDHE_PSK_WITH_CHACHA20_POLY1305_SHA256"},
436    {0xCCAD, "TLS_DHE_PSK_WITH_CHACHA20_POLY1305_SHA256"},
437    {0xCCAE, "TLS_RSA_PSK_WITH_CHACHA20_POLY1305_SHA256"},
438    {0x1301, "TLS_AES_128_GCM_SHA256"},
439    {0x1302, "TLS_AES_256_GCM_SHA384"},
440    {0x1303, "TLS_CHACHA20_POLY1305_SHA256"},
441    {0x1304, "TLS_AES_128_CCM_SHA256"},
442    {0x1305, "TLS_AES_128_CCM_8_SHA256"},
443    {0xFEFE, "SSL_RSA_FIPS_WITH_DES_CBC_SHA"},
444    {0xFEFF, "SSL_RSA_FIPS_WITH_3DES_EDE_CBC_SHA"},
445    {0xFF85, "LEGACY-GOST2012-GOST8912-GOST8912"},
446    {0xFF87, "GOST2012-NULL-GOST12"},
447    {0xC100, "GOST2012-KUZNYECHIK-KUZNYECHIKOMAC"},
448    {0xC101, "GOST2012-MAGMA-MAGMAOMAC"},
449    {0xC102, "GOST2012-GOST8912-IANA"},
450};
451
452/* Compression methods */
453static const ssl_trace_tbl ssl_comp_tbl[] = {
454    {0x0000, "No Compression"},
455    {0x0001, "Zlib Compression"}
456};
457
458/* Extensions sorted by ascending id */
459static const ssl_trace_tbl ssl_exts_tbl[] = {
460    {TLSEXT_TYPE_server_name, "server_name"},
461    {TLSEXT_TYPE_max_fragment_length, "max_fragment_length"},
462    {TLSEXT_TYPE_client_certificate_url, "client_certificate_url"},
463    {TLSEXT_TYPE_trusted_ca_keys, "trusted_ca_keys"},
464    {TLSEXT_TYPE_truncated_hmac, "truncated_hmac"},
465    {TLSEXT_TYPE_status_request, "status_request"},
466    {TLSEXT_TYPE_user_mapping, "user_mapping"},
467    {TLSEXT_TYPE_client_authz, "client_authz"},
468    {TLSEXT_TYPE_server_authz, "server_authz"},
469    {TLSEXT_TYPE_cert_type, "cert_type"},
470    {TLSEXT_TYPE_supported_groups, "supported_groups"},
471    {TLSEXT_TYPE_ec_point_formats, "ec_point_formats"},
472    {TLSEXT_TYPE_srp, "srp"},
473    {TLSEXT_TYPE_signature_algorithms, "signature_algorithms"},
474    {TLSEXT_TYPE_use_srtp, "use_srtp"},
475    {TLSEXT_TYPE_application_layer_protocol_negotiation,
476     "application_layer_protocol_negotiation"},
477    {TLSEXT_TYPE_signed_certificate_timestamp, "signed_certificate_timestamps"},
478    {TLSEXT_TYPE_padding, "padding"},
479    {TLSEXT_TYPE_encrypt_then_mac, "encrypt_then_mac"},
480    {TLSEXT_TYPE_extended_master_secret, "extended_master_secret"},
481    {TLSEXT_TYPE_session_ticket, "session_ticket"},
482    {TLSEXT_TYPE_psk, "psk"},
483    {TLSEXT_TYPE_early_data, "early_data"},
484    {TLSEXT_TYPE_supported_versions, "supported_versions"},
485    {TLSEXT_TYPE_cookie, "cookie_ext"},
486    {TLSEXT_TYPE_psk_kex_modes, "psk_key_exchange_modes"},
487    {TLSEXT_TYPE_certificate_authorities, "certificate_authorities"},
488    {TLSEXT_TYPE_post_handshake_auth, "post_handshake_auth"},
489    {TLSEXT_TYPE_signature_algorithms_cert, "signature_algorithms_cert"},
490    {TLSEXT_TYPE_key_share, "key_share"},
491    {TLSEXT_TYPE_renegotiate, "renegotiate"},
492# ifndef OPENSSL_NO_NEXTPROTONEG
493    {TLSEXT_TYPE_next_proto_neg, "next_proto_neg"},
494# endif
495};
496
497static const ssl_trace_tbl ssl_groups_tbl[] = {
498    {1, "sect163k1 (K-163)"},
499    {2, "sect163r1"},
500    {3, "sect163r2 (B-163)"},
501    {4, "sect193r1"},
502    {5, "sect193r2"},
503    {6, "sect233k1 (K-233)"},
504    {7, "sect233r1 (B-233)"},
505    {8, "sect239k1"},
506    {9, "sect283k1 (K-283)"},
507    {10, "sect283r1 (B-283)"},
508    {11, "sect409k1 (K-409)"},
509    {12, "sect409r1 (B-409)"},
510    {13, "sect571k1 (K-571)"},
511    {14, "sect571r1 (B-571)"},
512    {15, "secp160k1"},
513    {16, "secp160r1"},
514    {17, "secp160r2"},
515    {18, "secp192k1"},
516    {19, "secp192r1 (P-192)"},
517    {20, "secp224k1"},
518    {21, "secp224r1 (P-224)"},
519    {22, "secp256k1"},
520    {23, "secp256r1 (P-256)"},
521    {24, "secp384r1 (P-384)"},
522    {25, "secp521r1 (P-521)"},
523    {26, "brainpoolP256r1"},
524    {27, "brainpoolP384r1"},
525    {28, "brainpoolP512r1"},
526    {29, "ecdh_x25519"},
527    {30, "ecdh_x448"},
528    {34, "GC256A"},
529    {35, "GC256B"},
530    {36, "GC256C"},
531    {37, "GC256D"},
532    {38, "GC512A"},
533    {39, "GC512B"},
534    {40, "GC512C"},
535    {256, "ffdhe2048"},
536    {257, "ffdhe3072"},
537    {258, "ffdhe4096"},
538    {259, "ffdhe6144"},
539    {260, "ffdhe8192"},
540    {0xFF01, "arbitrary_explicit_prime_curves"},
541    {0xFF02, "arbitrary_explicit_char2_curves"}
542};
543
544static const ssl_trace_tbl ssl_point_tbl[] = {
545    {0, "uncompressed"},
546    {1, "ansiX962_compressed_prime"},
547    {2, "ansiX962_compressed_char2"}
548};
549
550static const ssl_trace_tbl ssl_mfl_tbl[] = {
551    {0, "disabled"},
552    {1, "max_fragment_length := 2^9 (512 bytes)"},
553    {2, "max_fragment_length := 2^10 (1024 bytes)"},
554    {3, "max_fragment_length := 2^11 (2048 bytes)"},
555    {4, "max_fragment_length := 2^12 (4096 bytes)"}
556};
557
558static const ssl_trace_tbl ssl_sigalg_tbl[] = {
559    {TLSEXT_SIGALG_ecdsa_secp256r1_sha256, "ecdsa_secp256r1_sha256"},
560    {TLSEXT_SIGALG_ecdsa_secp384r1_sha384, "ecdsa_secp384r1_sha384"},
561    {TLSEXT_SIGALG_ecdsa_secp521r1_sha512, "ecdsa_secp521r1_sha512"},
562    {TLSEXT_SIGALG_ecdsa_sha224, "ecdsa_sha224"},
563    {TLSEXT_SIGALG_ed25519, "ed25519"},
564    {TLSEXT_SIGALG_ed448, "ed448"},
565    {TLSEXT_SIGALG_ecdsa_sha1, "ecdsa_sha1"},
566    {TLSEXT_SIGALG_rsa_pss_rsae_sha256, "rsa_pss_rsae_sha256"},
567    {TLSEXT_SIGALG_rsa_pss_rsae_sha384, "rsa_pss_rsae_sha384"},
568    {TLSEXT_SIGALG_rsa_pss_rsae_sha512, "rsa_pss_rsae_sha512"},
569    {TLSEXT_SIGALG_rsa_pss_pss_sha256, "rsa_pss_pss_sha256"},
570    {TLSEXT_SIGALG_rsa_pss_pss_sha384, "rsa_pss_pss_sha384"},
571    {TLSEXT_SIGALG_rsa_pss_pss_sha512, "rsa_pss_pss_sha512"},
572    {TLSEXT_SIGALG_rsa_pkcs1_sha256, "rsa_pkcs1_sha256"},
573    {TLSEXT_SIGALG_rsa_pkcs1_sha384, "rsa_pkcs1_sha384"},
574    {TLSEXT_SIGALG_rsa_pkcs1_sha512, "rsa_pkcs1_sha512"},
575    {TLSEXT_SIGALG_rsa_pkcs1_sha224, "rsa_pkcs1_sha224"},
576    {TLSEXT_SIGALG_rsa_pkcs1_sha1, "rsa_pkcs1_sha1"},
577    {TLSEXT_SIGALG_dsa_sha256, "dsa_sha256"},
578    {TLSEXT_SIGALG_dsa_sha384, "dsa_sha384"},
579    {TLSEXT_SIGALG_dsa_sha512, "dsa_sha512"},
580    {TLSEXT_SIGALG_dsa_sha224, "dsa_sha224"},
581    {TLSEXT_SIGALG_dsa_sha1, "dsa_sha1"},
582    {TLSEXT_SIGALG_gostr34102012_256_intrinsic, "gost2012_256"},
583    {TLSEXT_SIGALG_gostr34102012_512_intrinsic, "gost2012_512"},
584    {TLSEXT_SIGALG_gostr34102012_256_gostr34112012_256, "gost2012_256"},
585    {TLSEXT_SIGALG_gostr34102012_512_gostr34112012_512, "gost2012_512"},
586    {TLSEXT_SIGALG_gostr34102001_gostr3411, "gost2001_gost94"},
587};
588
589static const ssl_trace_tbl ssl_ctype_tbl[] = {
590    {1, "rsa_sign"},
591    {2, "dss_sign"},
592    {3, "rsa_fixed_dh"},
593    {4, "dss_fixed_dh"},
594    {5, "rsa_ephemeral_dh"},
595    {6, "dss_ephemeral_dh"},
596    {20, "fortezza_dms"},
597    {64, "ecdsa_sign"},
598    {65, "rsa_fixed_ecdh"},
599    {66, "ecdsa_fixed_ecdh"},
600    {67, "gost_sign256"},
601    {68, "gost_sign512"},
602};
603
604static const ssl_trace_tbl ssl_psk_kex_modes_tbl[] = {
605    {TLSEXT_KEX_MODE_KE, "psk_ke"},
606    {TLSEXT_KEX_MODE_KE_DHE, "psk_dhe_ke"}
607};
608
609static const ssl_trace_tbl ssl_key_update_tbl[] = {
610    {SSL_KEY_UPDATE_NOT_REQUESTED, "update_not_requested"},
611    {SSL_KEY_UPDATE_REQUESTED, "update_requested"}
612};
613
614static void ssl_print_hex(BIO *bio, int indent, const char *name,
615                          const unsigned char *msg, size_t msglen)
616{
617    size_t i;
618
619    BIO_indent(bio, indent, 80);
620    BIO_printf(bio, "%s (len=%d): ", name, (int)msglen);
621    for (i = 0; i < msglen; i++)
622        BIO_printf(bio, "%02X", msg[i]);
623    BIO_puts(bio, "\n");
624}
625
626static int ssl_print_hexbuf(BIO *bio, int indent, const char *name, size_t nlen,
627                            const unsigned char **pmsg, size_t *pmsglen)
628{
629    size_t blen;
630    const unsigned char *p = *pmsg;
631
632    if (*pmsglen < nlen)
633        return 0;
634    blen = p[0];
635    if (nlen > 1)
636        blen = (blen << 8) | p[1];
637    if (*pmsglen < nlen + blen)
638        return 0;
639    p += nlen;
640    ssl_print_hex(bio, indent, name, p, blen);
641    *pmsg += blen + nlen;
642    *pmsglen -= blen + nlen;
643    return 1;
644}
645
646static int ssl_print_version(BIO *bio, int indent, const char *name,
647                             const unsigned char **pmsg, size_t *pmsglen,
648                             unsigned int *version)
649{
650    int vers;
651
652    if (*pmsglen < 2)
653        return 0;
654    vers = ((*pmsg)[0] << 8) | (*pmsg)[1];
655    if (version != NULL)
656        *version = vers;
657    BIO_indent(bio, indent, 80);
658    BIO_printf(bio, "%s=0x%x (%s)\n",
659               name, vers, ssl_trace_str(vers, ssl_version_tbl));
660    *pmsg += 2;
661    *pmsglen -= 2;
662    return 1;
663}
664
665static 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 = ((unsigned int)p[0] << 24)
674         | ((unsigned int)p[1] << 16)
675         | ((unsigned int)p[2] << 8)
676         | (unsigned int)p[3];
677    p += 4;
678    BIO_indent(bio, indent, 80);
679    BIO_puts(bio, "Random:\n");
680    BIO_indent(bio, indent + 2, 80);
681    BIO_printf(bio, "gmt_unix_time=0x%08X\n", tm);
682    ssl_print_hex(bio, indent + 2, "random_bytes", p, 28);
683    *pmsg += 32;
684    *pmsglen -= 32;
685    return 1;
686}
687
688static int ssl_print_signature(BIO *bio, int indent, const SSL *ssl,
689                               const unsigned char **pmsg, size_t *pmsglen)
690{
691    if (*pmsglen < 2)
692        return 0;
693    if (SSL_USE_SIGALGS(ssl)) {
694        const unsigned char *p = *pmsg;
695        unsigned int sigalg = (p[0] << 8) | p[1];
696
697        BIO_indent(bio, indent, 80);
698        BIO_printf(bio, "Signature Algorithm: %s (0x%04x)\n",
699                   ssl_trace_str(sigalg, ssl_sigalg_tbl), sigalg);
700        *pmsg += 2;
701        *pmsglen -= 2;
702    }
703    return ssl_print_hexbuf(bio, indent, "Signature", 2, pmsg, pmsglen);
704}
705
706static int ssl_print_extension(BIO *bio, int indent, int server,
707                               unsigned char mt, int extype,
708                               const unsigned char *ext, size_t extlen)
709{
710    size_t xlen, share_len;
711    unsigned int sigalg;
712    uint32_t max_early_data;
713
714    BIO_indent(bio, indent, 80);
715    BIO_printf(bio, "extension_type=%s(%d), length=%d\n",
716               ssl_trace_str(extype, ssl_exts_tbl), extype, (int)extlen);
717    switch (extype) {
718    case TLSEXT_TYPE_max_fragment_length:
719        if (extlen < 1)
720            return 0;
721        xlen = extlen;
722        return ssl_trace_list(bio, indent + 2, ext, xlen, 1, ssl_mfl_tbl);
723
724    case TLSEXT_TYPE_ec_point_formats:
725        if (extlen < 1)
726            return 0;
727        xlen = ext[0];
728        if (extlen != xlen + 1)
729            return 0;
730        return ssl_trace_list(bio, indent + 2, ext + 1, xlen, 1, ssl_point_tbl);
731
732    case TLSEXT_TYPE_supported_groups:
733        if (extlen < 2)
734            return 0;
735        xlen = (ext[0] << 8) | ext[1];
736        if (extlen != xlen + 2)
737            return 0;
738        return ssl_trace_list(bio, indent + 2, ext + 2, xlen, 2, ssl_groups_tbl);
739    case TLSEXT_TYPE_application_layer_protocol_negotiation:
740        if (extlen < 2)
741            return 0;
742        xlen = (ext[0] << 8) | ext[1];
743        if (extlen != xlen + 2)
744            return 0;
745        ext += 2;
746        while (xlen > 0) {
747            size_t plen = *ext++;
748
749            if (plen + 1 > xlen)
750                return 0;
751            BIO_indent(bio, indent + 2, 80);
752            BIO_write(bio, ext, plen);
753            BIO_puts(bio, "\n");
754            ext += plen;
755            xlen -= plen + 1;
756        }
757        return 1;
758
759    case TLSEXT_TYPE_signature_algorithms:
760
761        if (extlen < 2)
762            return 0;
763        xlen = (ext[0] << 8) | ext[1];
764        if (extlen != xlen + 2)
765            return 0;
766        if (xlen & 1)
767            return 0;
768        ext += 2;
769        while (xlen > 0) {
770            BIO_indent(bio, indent + 2, 80);
771            sigalg = (ext[0] << 8) | ext[1];
772            BIO_printf(bio, "%s (0x%04x)\n",
773                       ssl_trace_str(sigalg, ssl_sigalg_tbl), sigalg);
774            xlen -= 2;
775            ext += 2;
776        }
777        break;
778
779    case TLSEXT_TYPE_renegotiate:
780        if (extlen < 1)
781            return 0;
782        xlen = ext[0];
783        if (xlen + 1 != extlen)
784            return 0;
785        ext++;
786        if (xlen) {
787            if (server) {
788                if (xlen & 1)
789                    return 0;
790                xlen >>= 1;
791            }
792            ssl_print_hex(bio, indent + 4, "client_verify_data", ext, xlen);
793            if (server) {
794                ext += xlen;
795                ssl_print_hex(bio, indent + 4, "server_verify_data", ext, xlen);
796            }
797        } else {
798            BIO_indent(bio, indent + 4, 80);
799            BIO_puts(bio, "<EMPTY>\n");
800        }
801        break;
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 = ((unsigned int)ext[0] << 24)
882                         | ((unsigned int)ext[1] << 16)
883                         | ((unsigned int)ext[2] << 8)
884                         | (unsigned int)ext[3];
885        BIO_indent(bio, indent + 2, 80);
886        BIO_printf(bio, "max_early_data=%u\n", max_early_data);
887        break;
888
889    default:
890        BIO_dump_indent(bio, (const char *)ext, extlen, indent + 2);
891    }
892    return 1;
893}
894
895static int ssl_print_extensions(BIO *bio, int indent, int server,
896                                unsigned char mt, const unsigned char **msgin,
897                                size_t *msginlen)
898{
899    size_t extslen, msglen = *msginlen;
900    const unsigned char *msg = *msgin;
901
902    BIO_indent(bio, indent, 80);
903    if (msglen == 0) {
904        BIO_puts(bio, "No extensions\n");
905        return 1;
906    }
907    if (msglen < 2)
908        return 0;
909    extslen = (msg[0] << 8) | msg[1];
910    msglen -= 2;
911    msg += 2;
912    if (extslen == 0) {
913        BIO_puts(bio, "No extensions\n");
914        *msgin = msg;
915        *msginlen = msglen;
916        return 1;
917    }
918    if (extslen > msglen)
919        return 0;
920    BIO_printf(bio, "extensions, length = %d\n", (int)extslen);
921    msglen -= extslen;
922    while (extslen > 0) {
923        int extype;
924        size_t extlen;
925        if (extslen < 4)
926            return 0;
927        extype = (msg[0] << 8) | msg[1];
928        extlen = (msg[2] << 8) | msg[3];
929        if (extslen < extlen + 4) {
930            BIO_printf(bio, "extensions, extype = %d, extlen = %d\n", extype,
931                       (int)extlen);
932            BIO_dump_indent(bio, (const char *)msg, extslen, indent + 2);
933            return 0;
934        }
935        msg += 4;
936        if (!ssl_print_extension(bio, indent + 2, server, mt, extype, msg,
937                                 extlen))
938            return 0;
939        msg += extlen;
940        extslen -= extlen + 4;
941    }
942
943    *msgin = msg;
944    *msginlen = msglen;
945    return 1;
946}
947
948static int ssl_print_client_hello(BIO *bio, const SSL *ssl, int indent,
949                                  const unsigned char *msg, size_t msglen)
950{
951    size_t len;
952    unsigned int cs;
953
954    if (!ssl_print_version(bio, indent, "client_version", &msg, &msglen, NULL))
955        return 0;
956    if (!ssl_print_random(bio, indent, &msg, &msglen))
957        return 0;
958    if (!ssl_print_hexbuf(bio, indent, "session_id", 1, &msg, &msglen))
959        return 0;
960    if (SSL_IS_DTLS(ssl)) {
961        if (!ssl_print_hexbuf(bio, indent, "cookie", 1, &msg, &msglen))
962            return 0;
963    }
964    if (msglen < 2)
965        return 0;
966    len = (msg[0] << 8) | msg[1];
967    msg += 2;
968    msglen -= 2;
969    BIO_indent(bio, indent, 80);
970    BIO_printf(bio, "cipher_suites (len=%d)\n", (int)len);
971    if (msglen < len || len & 1)
972        return 0;
973    while (len > 0) {
974        cs = (msg[0] << 8) | msg[1];
975        BIO_indent(bio, indent + 2, 80);
976        BIO_printf(bio, "{0x%02X, 0x%02X} %s\n",
977                   msg[0], msg[1], ssl_trace_str(cs, ssl_ciphers_tbl));
978        msg += 2;
979        msglen -= 2;
980        len -= 2;
981    }
982    if (msglen < 1)
983        return 0;
984    len = msg[0];
985    msg++;
986    msglen--;
987    if (msglen < len)
988        return 0;
989    BIO_indent(bio, indent, 80);
990    BIO_printf(bio, "compression_methods (len=%d)\n", (int)len);
991    while (len > 0) {
992        BIO_indent(bio, indent + 2, 80);
993        BIO_printf(bio, "%s (0x%02X)\n",
994                   ssl_trace_str(msg[0], ssl_comp_tbl), msg[0]);
995        msg++;
996        msglen--;
997        len--;
998    }
999    if (!ssl_print_extensions(bio, indent, 0, SSL3_MT_CLIENT_HELLO, &msg,
1000                              &msglen))
1001        return 0;
1002    return 1;
1003}
1004
1005static int dtls_print_hello_vfyrequest(BIO *bio, int indent,
1006                                       const unsigned char *msg, size_t msglen)
1007{
1008    if (!ssl_print_version(bio, indent, "server_version", &msg, &msglen, NULL))
1009        return 0;
1010    if (!ssl_print_hexbuf(bio, indent, "cookie", 1, &msg, &msglen))
1011        return 0;
1012    return 1;
1013}
1014
1015static int ssl_print_server_hello(BIO *bio, int indent,
1016                                  const unsigned char *msg, size_t msglen)
1017{
1018    unsigned int cs;
1019    unsigned int vers;
1020
1021    if (!ssl_print_version(bio, indent, "server_version", &msg, &msglen, &vers))
1022        return 0;
1023    if (!ssl_print_random(bio, indent, &msg, &msglen))
1024        return 0;
1025    if (vers != TLS1_3_VERSION
1026            && !ssl_print_hexbuf(bio, indent, "session_id", 1, &msg, &msglen))
1027        return 0;
1028    if (msglen < 2)
1029        return 0;
1030    cs = (msg[0] << 8) | msg[1];
1031    BIO_indent(bio, indent, 80);
1032    BIO_printf(bio, "cipher_suite {0x%02X, 0x%02X} %s\n",
1033               msg[0], msg[1], ssl_trace_str(cs, ssl_ciphers_tbl));
1034    msg += 2;
1035    msglen -= 2;
1036    if (vers != TLS1_3_VERSION) {
1037        if (msglen < 1)
1038            return 0;
1039        BIO_indent(bio, indent, 80);
1040        BIO_printf(bio, "compression_method: %s (0x%02X)\n",
1041                   ssl_trace_str(msg[0], ssl_comp_tbl), msg[0]);
1042        msg++;
1043        msglen--;
1044    }
1045    if (!ssl_print_extensions(bio, indent, 1, SSL3_MT_SERVER_HELLO, &msg,
1046                              &msglen))
1047        return 0;
1048    return 1;
1049}
1050
1051static int ssl_get_keyex(const char **pname, const SSL *ssl)
1052{
1053    unsigned long alg_k = ssl->s3.tmp.new_cipher->algorithm_mkey;
1054
1055    if (alg_k & SSL_kRSA) {
1056        *pname = "rsa";
1057        return SSL_kRSA;
1058    }
1059    if (alg_k & SSL_kDHE) {
1060        *pname = "DHE";
1061        return SSL_kDHE;
1062    }
1063    if (alg_k & SSL_kECDHE) {
1064        *pname = "ECDHE";
1065        return SSL_kECDHE;
1066    }
1067    if (alg_k & SSL_kPSK) {
1068        *pname = "PSK";
1069        return SSL_kPSK;
1070    }
1071    if (alg_k & SSL_kRSAPSK) {
1072        *pname = "RSAPSK";
1073        return SSL_kRSAPSK;
1074    }
1075    if (alg_k & SSL_kDHEPSK) {
1076        *pname = "DHEPSK";
1077        return SSL_kDHEPSK;
1078    }
1079    if (alg_k & SSL_kECDHEPSK) {
1080        *pname = "ECDHEPSK";
1081        return SSL_kECDHEPSK;
1082    }
1083    if (alg_k & SSL_kSRP) {
1084        *pname = "SRP";
1085        return SSL_kSRP;
1086    }
1087    if (alg_k & SSL_kGOST) {
1088        *pname = "GOST";
1089        return SSL_kGOST;
1090    }
1091    if (alg_k & SSL_kGOST18) {
1092        *pname = "GOST18";
1093        return SSL_kGOST18;
1094    }
1095    *pname = "UNKNOWN";
1096    return 0;
1097}
1098
1099static int ssl_print_client_keyex(BIO *bio, int indent, const SSL *ssl,
1100                                  const unsigned char *msg, size_t msglen)
1101{
1102    const char *algname;
1103    int id = ssl_get_keyex(&algname, ssl);
1104
1105    BIO_indent(bio, indent, 80);
1106    BIO_printf(bio, "KeyExchangeAlgorithm=%s\n", algname);
1107    if (id & SSL_PSK) {
1108        if (!ssl_print_hexbuf(bio, indent + 2,
1109                              "psk_identity", 2, &msg, &msglen))
1110            return 0;
1111    }
1112    switch (id) {
1113
1114    case SSL_kRSA:
1115    case SSL_kRSAPSK:
1116        if (TLS1_get_version(ssl) == SSL3_VERSION) {
1117            ssl_print_hex(bio, indent + 2,
1118                          "EncryptedPreMasterSecret", msg, msglen);
1119        } else {
1120            if (!ssl_print_hexbuf(bio, indent + 2,
1121                                  "EncryptedPreMasterSecret", 2, &msg, &msglen))
1122                return 0;
1123        }
1124        break;
1125
1126    case SSL_kDHE:
1127    case SSL_kDHEPSK:
1128        if (!ssl_print_hexbuf(bio, indent + 2, "dh_Yc", 2, &msg, &msglen))
1129            return 0;
1130        break;
1131
1132    case SSL_kECDHE:
1133    case SSL_kECDHEPSK:
1134        if (!ssl_print_hexbuf(bio, indent + 2, "ecdh_Yc", 1, &msg, &msglen))
1135            return 0;
1136        break;
1137    case SSL_kGOST:
1138        ssl_print_hex(bio, indent + 2, "GostKeyTransportBlob", msg, msglen);
1139        msglen = 0;
1140        break;
1141    case SSL_kGOST18:
1142        ssl_print_hex(bio, indent + 2,
1143                      "GOST-wrapped PreMasterSecret", msg, msglen);
1144        msglen = 0;
1145        break;
1146    }
1147
1148    return !msglen;
1149}
1150
1151static int ssl_print_server_keyex(BIO *bio, int indent, const SSL *ssl,
1152                                  const unsigned char *msg, size_t msglen)
1153{
1154    const char *algname;
1155    int id = ssl_get_keyex(&algname, ssl);
1156
1157    BIO_indent(bio, indent, 80);
1158    BIO_printf(bio, "KeyExchangeAlgorithm=%s\n", algname);
1159    if (id & SSL_PSK) {
1160        if (!ssl_print_hexbuf(bio, indent + 2,
1161                              "psk_identity_hint", 2, &msg, &msglen))
1162            return 0;
1163    }
1164    switch (id) {
1165    case SSL_kRSA:
1166
1167        if (!ssl_print_hexbuf(bio, indent + 2, "rsa_modulus", 2, &msg, &msglen))
1168            return 0;
1169        if (!ssl_print_hexbuf(bio, indent + 2, "rsa_exponent", 2,
1170                              &msg, &msglen))
1171            return 0;
1172        break;
1173
1174    case SSL_kDHE:
1175    case SSL_kDHEPSK:
1176        if (!ssl_print_hexbuf(bio, indent + 2, "dh_p", 2, &msg, &msglen))
1177            return 0;
1178        if (!ssl_print_hexbuf(bio, indent + 2, "dh_g", 2, &msg, &msglen))
1179            return 0;
1180        if (!ssl_print_hexbuf(bio, indent + 2, "dh_Ys", 2, &msg, &msglen))
1181            return 0;
1182        break;
1183
1184    case SSL_kECDHE:
1185    case SSL_kECDHEPSK:
1186        if (msglen < 1)
1187            return 0;
1188        BIO_indent(bio, indent + 2, 80);
1189        if (msg[0] == EXPLICIT_PRIME_CURVE_TYPE)
1190            BIO_puts(bio, "explicit_prime\n");
1191        else if (msg[0] == EXPLICIT_CHAR2_CURVE_TYPE)
1192            BIO_puts(bio, "explicit_char2\n");
1193        else if (msg[0] == NAMED_CURVE_TYPE) {
1194            int curve;
1195            if (msglen < 3)
1196                return 0;
1197            curve = (msg[1] << 8) | msg[2];
1198            BIO_printf(bio, "named_curve: %s (%d)\n",
1199                       ssl_trace_str(curve, ssl_groups_tbl), curve);
1200            msg += 3;
1201            msglen -= 3;
1202            if (!ssl_print_hexbuf(bio, indent + 2, "point", 1, &msg, &msglen))
1203                return 0;
1204        } else {
1205            BIO_printf(bio, "UNKNOWN CURVE PARAMETER TYPE %d\n", msg[0]);
1206            return 0;
1207        }
1208        break;
1209
1210    case SSL_kPSK:
1211    case SSL_kRSAPSK:
1212        break;
1213    }
1214    if (!(id & SSL_PSK))
1215        ssl_print_signature(bio, indent, ssl, &msg, &msglen);
1216    return !msglen;
1217}
1218
1219static int ssl_print_certificate(BIO *bio, int indent,
1220                                 const unsigned char **pmsg, size_t *pmsglen)
1221{
1222    size_t msglen = *pmsglen;
1223    size_t clen;
1224    X509 *x;
1225    const unsigned char *p = *pmsg, *q;
1226
1227    if (msglen < 3)
1228        return 0;
1229    clen = (p[0] << 16) | (p[1] << 8) | p[2];
1230    if (msglen < clen + 3)
1231        return 0;
1232    q = p + 3;
1233    BIO_indent(bio, indent, 80);
1234    BIO_printf(bio, "ASN.1Cert, length=%d", (int)clen);
1235    x = d2i_X509(NULL, &q, clen);
1236    if (!x)
1237        BIO_puts(bio, "<UNPARSEABLE CERTIFICATE>\n");
1238    else {
1239        BIO_puts(bio, "\n------details-----\n");
1240        X509_print_ex(bio, x, XN_FLAG_ONELINE, 0);
1241        PEM_write_bio_X509(bio, x);
1242        /* Print certificate stuff */
1243        BIO_puts(bio, "------------------\n");
1244        X509_free(x);
1245    }
1246    if (q != p + 3 + clen) {
1247        BIO_puts(bio, "<TRAILING GARBAGE AFTER CERTIFICATE>\n");
1248    }
1249    *pmsg += clen + 3;
1250    *pmsglen -= clen + 3;
1251    return 1;
1252}
1253
1254static int ssl_print_certificates(BIO *bio, const SSL *ssl, int server,
1255                                  int indent, const unsigned char *msg,
1256                                  size_t msglen)
1257{
1258    size_t clen;
1259
1260    if (SSL_IS_TLS13(ssl)
1261            && !ssl_print_hexbuf(bio, indent, "context", 1, &msg, &msglen))
1262        return 0;
1263
1264    if (msglen < 3)
1265        return 0;
1266    clen = (msg[0] << 16) | (msg[1] << 8) | msg[2];
1267    if (msglen != clen + 3)
1268        return 0;
1269    msg += 3;
1270    BIO_indent(bio, indent, 80);
1271    BIO_printf(bio, "certificate_list, length=%d\n", (int)clen);
1272    while (clen > 0) {
1273        if (!ssl_print_certificate(bio, indent + 2, &msg, &clen))
1274            return 0;
1275        if (SSL_IS_TLS13(ssl)
1276            && !ssl_print_extensions(bio, indent + 2, server,
1277                                     SSL3_MT_CERTIFICATE, &msg, &clen))
1278            return 0;
1279
1280    }
1281    return 1;
1282}
1283
1284static int ssl_print_cert_request(BIO *bio, int indent, const SSL *ssl,
1285                                  const unsigned char *msg, size_t msglen)
1286{
1287    size_t xlen;
1288    unsigned int sigalg;
1289
1290    if (SSL_IS_TLS13(ssl)) {
1291        if (!ssl_print_hexbuf(bio, indent, "request_context", 1, &msg, &msglen))
1292            return 0;
1293        if (!ssl_print_extensions(bio, indent, 1,
1294                                  SSL3_MT_CERTIFICATE_REQUEST, &msg, &msglen))
1295            return 0;
1296        return 1;
1297    } else {
1298        if (msglen < 1)
1299            return 0;
1300        xlen = msg[0];
1301        if (msglen < xlen + 1)
1302            return 0;
1303        msg++;
1304        BIO_indent(bio, indent, 80);
1305        BIO_printf(bio, "certificate_types (len=%d)\n", (int)xlen);
1306        if (!ssl_trace_list(bio, indent + 2, msg, xlen, 1, ssl_ctype_tbl))
1307            return 0;
1308        msg += xlen;
1309        msglen -= xlen + 1;
1310    }
1311    if (SSL_USE_SIGALGS(ssl)) {
1312        if (msglen < 2)
1313            return 0;
1314        xlen = (msg[0] << 8) | msg[1];
1315        if (msglen < xlen + 2 || (xlen & 1))
1316            return 0;
1317        msg += 2;
1318        msglen -= xlen + 2;
1319        BIO_indent(bio, indent, 80);
1320        BIO_printf(bio, "signature_algorithms (len=%d)\n", (int)xlen);
1321        while (xlen > 0) {
1322            BIO_indent(bio, indent + 2, 80);
1323            sigalg = (msg[0] << 8) | msg[1];
1324            BIO_printf(bio, "%s (0x%04x)\n",
1325                       ssl_trace_str(sigalg, ssl_sigalg_tbl), sigalg);
1326            xlen -= 2;
1327            msg += 2;
1328        }
1329        msg += xlen;
1330    }
1331
1332    if (msglen < 2)
1333        return 0;
1334    xlen = (msg[0] << 8) | msg[1];
1335    BIO_indent(bio, indent, 80);
1336    if (msglen < xlen + 2)
1337        return 0;
1338    msg += 2;
1339    msglen -= 2 + xlen;
1340    BIO_printf(bio, "certificate_authorities (len=%d)\n", (int)xlen);
1341    while (xlen > 0) {
1342        size_t dlen;
1343        X509_NAME *nm;
1344        const unsigned char *p;
1345        if (xlen < 2)
1346            return 0;
1347        dlen = (msg[0] << 8) | msg[1];
1348        if (xlen < dlen + 2)
1349            return 0;
1350        msg += 2;
1351        BIO_indent(bio, indent + 2, 80);
1352        BIO_printf(bio, "DistinguishedName (len=%d): ", (int)dlen);
1353        p = msg;
1354        nm = d2i_X509_NAME(NULL, &p, dlen);
1355        if (!nm) {
1356            BIO_puts(bio, "<UNPARSEABLE DN>\n");
1357        } else {
1358            X509_NAME_print_ex(bio, nm, 0, XN_FLAG_ONELINE);
1359            BIO_puts(bio, "\n");
1360            X509_NAME_free(nm);
1361        }
1362        xlen -= dlen + 2;
1363        msg += dlen;
1364    }
1365    if (SSL_IS_TLS13(ssl)) {
1366        if (!ssl_print_hexbuf(bio, indent, "request_extensions", 2,
1367                              &msg, &msglen))
1368            return 0;
1369    }
1370    return msglen == 0;
1371}
1372
1373static int ssl_print_ticket(BIO *bio, int indent, const SSL *ssl,
1374                            const unsigned char *msg, size_t msglen)
1375{
1376    unsigned int tick_life;
1377
1378    if (msglen == 0) {
1379        BIO_indent(bio, indent + 2, 80);
1380        BIO_puts(bio, "No Ticket\n");
1381        return 1;
1382    }
1383    if (msglen < 4)
1384        return 0;
1385    tick_life = ((unsigned int)msg[0] << 24)
1386                | ((unsigned int)msg[1] << 16)
1387                | ((unsigned int)msg[2] << 8)
1388                | (unsigned int)msg[3];
1389    msglen -= 4;
1390    msg += 4;
1391    BIO_indent(bio, indent + 2, 80);
1392    BIO_printf(bio, "ticket_lifetime_hint=%u\n", tick_life);
1393    if (SSL_IS_TLS13(ssl)) {
1394        unsigned int ticket_age_add;
1395
1396        if (msglen < 4)
1397            return 0;
1398        ticket_age_add =
1399            ((unsigned int)msg[0] << 24)
1400            | ((unsigned int)msg[1] << 16)
1401            | ((unsigned int)msg[2] << 8)
1402            | (unsigned int)msg[3];
1403        msglen -= 4;
1404        msg += 4;
1405        BIO_indent(bio, indent + 2, 80);
1406        BIO_printf(bio, "ticket_age_add=%u\n", ticket_age_add);
1407        if (!ssl_print_hexbuf(bio, indent + 2, "ticket_nonce", 1, &msg,
1408                              &msglen))
1409            return 0;
1410    }
1411    if (!ssl_print_hexbuf(bio, indent + 2, "ticket", 2, &msg, &msglen))
1412        return 0;
1413    if (SSL_IS_TLS13(ssl)
1414            && !ssl_print_extensions(bio, indent + 2, 0,
1415                                     SSL3_MT_NEWSESSION_TICKET, &msg, &msglen))
1416        return 0;
1417    if (msglen)
1418        return 0;
1419    return 1;
1420}
1421
1422static int ssl_print_handshake(BIO *bio, const SSL *ssl, int server,
1423                               const unsigned char *msg, size_t msglen,
1424                               int indent)
1425{
1426    size_t hlen;
1427    unsigned char htype;
1428
1429    if (msglen < 4)
1430        return 0;
1431    htype = msg[0];
1432    hlen = (msg[1] << 16) | (msg[2] << 8) | msg[3];
1433    BIO_indent(bio, indent, 80);
1434    BIO_printf(bio, "%s, Length=%d\n",
1435               ssl_trace_str(htype, ssl_handshake_tbl), (int)hlen);
1436    msg += 4;
1437    msglen -= 4;
1438    if (SSL_IS_DTLS(ssl)) {
1439        if (msglen < 8)
1440            return 0;
1441        BIO_indent(bio, indent, 80);
1442        BIO_printf(bio, "message_seq=%d, fragment_offset=%d, "
1443                   "fragment_length=%d\n",
1444                   (msg[0] << 8) | msg[1],
1445                   (msg[2] << 16) | (msg[3] << 8) | msg[4],
1446                   (msg[5] << 16) | (msg[6] << 8) | msg[7]);
1447        msg += 8;
1448        msglen -= 8;
1449    }
1450    if (msglen < hlen)
1451        return 0;
1452    switch (htype) {
1453    case SSL3_MT_CLIENT_HELLO:
1454        if (!ssl_print_client_hello(bio, ssl, indent + 2, msg, msglen))
1455            return 0;
1456        break;
1457
1458    case DTLS1_MT_HELLO_VERIFY_REQUEST:
1459        if (!dtls_print_hello_vfyrequest(bio, indent + 2, msg, msglen))
1460            return 0;
1461        break;
1462
1463    case SSL3_MT_SERVER_HELLO:
1464        if (!ssl_print_server_hello(bio, indent + 2, msg, msglen))
1465            return 0;
1466        break;
1467
1468    case SSL3_MT_SERVER_KEY_EXCHANGE:
1469        if (!ssl_print_server_keyex(bio, indent + 2, ssl, msg, msglen))
1470            return 0;
1471        break;
1472
1473    case SSL3_MT_CLIENT_KEY_EXCHANGE:
1474        if (!ssl_print_client_keyex(bio, indent + 2, ssl, msg, msglen))
1475            return 0;
1476        break;
1477
1478    case SSL3_MT_CERTIFICATE:
1479        if (!ssl_print_certificates(bio, ssl, server, indent + 2, msg, msglen))
1480            return 0;
1481        break;
1482
1483    case SSL3_MT_CERTIFICATE_VERIFY:
1484        if (!ssl_print_signature(bio, indent + 2, ssl, &msg, &msglen))
1485            return 0;
1486        break;
1487
1488    case SSL3_MT_CERTIFICATE_REQUEST:
1489        if (!ssl_print_cert_request(bio, indent + 2, ssl, msg, msglen))
1490            return 0;
1491        break;
1492
1493    case SSL3_MT_FINISHED:
1494        ssl_print_hex(bio, indent + 2, "verify_data", msg, msglen);
1495        break;
1496
1497    case SSL3_MT_SERVER_DONE:
1498        if (msglen != 0)
1499            ssl_print_hex(bio, indent + 2, "unexpected value", msg, msglen);
1500        break;
1501
1502    case SSL3_MT_NEWSESSION_TICKET:
1503        if (!ssl_print_ticket(bio, indent + 2, ssl, msg, msglen))
1504            return 0;
1505        break;
1506
1507    case SSL3_MT_ENCRYPTED_EXTENSIONS:
1508        if (!ssl_print_extensions(bio, indent + 2, 1,
1509                                  SSL3_MT_ENCRYPTED_EXTENSIONS, &msg, &msglen))
1510            return 0;
1511        break;
1512
1513    case SSL3_MT_KEY_UPDATE:
1514        if (msglen != 1) {
1515            ssl_print_hex(bio, indent + 2, "unexpected value", msg, msglen);
1516            return 0;
1517        }
1518        if (!ssl_trace_list(bio, indent + 2, msg, msglen, 1,
1519                            ssl_key_update_tbl))
1520            return 0;
1521        break;
1522
1523    default:
1524        BIO_indent(bio, indent + 2, 80);
1525        BIO_puts(bio, "Unsupported, hex dump follows:\n");
1526        BIO_dump_indent(bio, (const char *)msg, msglen, indent + 4);
1527    }
1528    return 1;
1529}
1530
1531void SSL_trace(int write_p, int version, int content_type,
1532               const void *buf, size_t msglen, SSL *ssl, void *arg)
1533{
1534    const unsigned char *msg = buf;
1535    BIO *bio = arg;
1536
1537    switch (content_type) {
1538    case SSL3_RT_HEADER:
1539        {
1540            int hvers;
1541
1542            /* avoid overlapping with length at the end of buffer */
1543            if (msglen < (size_t)(SSL_IS_DTLS(ssl) ?
1544                     DTLS1_RT_HEADER_LENGTH : SSL3_RT_HEADER_LENGTH)) {
1545                BIO_puts(bio, write_p ? "Sent" : "Received");
1546                ssl_print_hex(bio, 0, " too short message", msg, msglen);
1547                break;
1548            }
1549            hvers = msg[1] << 8 | msg[2];
1550            BIO_puts(bio, write_p ? "Sent" : "Received");
1551            BIO_printf(bio, " Record\nHeader:\n  Version = %s (0x%x)\n",
1552                       ssl_trace_str(hvers, ssl_version_tbl), hvers);
1553            if (SSL_IS_DTLS(ssl)) {
1554                BIO_printf(bio,
1555                           "  epoch=%d, sequence_number=%04x%04x%04x\n",
1556                           (msg[3] << 8 | msg[4]),
1557                           (msg[5] << 8 | msg[6]),
1558                           (msg[7] << 8 | msg[8]), (msg[9] << 8 | msg[10]));
1559            }
1560
1561            BIO_printf(bio, "  Content Type = %s (%d)\n  Length = %d",
1562                       ssl_trace_str(msg[0], ssl_content_tbl), msg[0],
1563                       msg[msglen - 2] << 8 | msg[msglen - 1]);
1564        }
1565        break;
1566
1567    case SSL3_RT_INNER_CONTENT_TYPE:
1568        BIO_printf(bio, "  Inner Content Type = %s (%d)",
1569                   ssl_trace_str(msg[0], ssl_content_tbl), msg[0]);
1570        break;
1571
1572    case SSL3_RT_HANDSHAKE:
1573        if (!ssl_print_handshake(bio, ssl, ssl->server ? write_p : !write_p,
1574                                 msg, msglen, 4))
1575            BIO_printf(bio, "Message length parse error!\n");
1576        break;
1577
1578    case SSL3_RT_CHANGE_CIPHER_SPEC:
1579        if (msglen == 1 && msg[0] == 1)
1580            BIO_puts(bio, "    change_cipher_spec (1)\n");
1581        else
1582            ssl_print_hex(bio, 4, "unknown value", msg, msglen);
1583        break;
1584
1585    case SSL3_RT_ALERT:
1586        if (msglen != 2)
1587            BIO_puts(bio, "    Illegal Alert Length\n");
1588        else {
1589            BIO_printf(bio, "    Level=%s(%d), description=%s(%d)\n",
1590                       SSL_alert_type_string_long(msg[0] << 8),
1591                       msg[0], SSL_alert_desc_string_long(msg[1]), msg[1]);
1592        }
1593
1594    }
1595
1596    BIO_puts(bio, "\n");
1597}
1598
1599#endif
1600