ssl/t1_trce.c

   1 /*
   2  * Copyright 2012-2016 The OpenSSL Project Authors. All Rights Reserved.
   3  *
   4  * Licensed under the OpenSSL license (the "License").  You may not use
   5  * this file except in compliance with the License.  You can obtain a copy
   6  * in the file LICENSE in the source distribution or at
   7  * https://www.openssl.org/source/license.html
   8  */
   9
  10 #include "ssl_locl.h"
  11
  12 #ifndef OPENSSL_NO_SSL_TRACE
  13
  14 /* Packet trace support for OpenSSL */
  15
  16 typedef struct {
  17     int num;
  18     const char *name;
  19 } ssl_trace_tbl;
  20
  21 # define ssl_trace_str(val, tbl) \
  22         do_ssl_trace_str(val, tbl, OSSL_NELEM(tbl))
  23
  24 # define ssl_trace_list(bio, indent, msg, msglen, value, table) \
  25         do_ssl_trace_list(bio, indent, msg, msglen, value, \
  26          table, OSSL_NELEM(table))
  27
  28 static const char *do_ssl_trace_str(int val, ssl_trace_tbl *tbl, size_t ntbl)
  29 {
  30     size_t i;
  31     for (i = 0; i < ntbl; i++, tbl++) {
  32         if (tbl->num == val)
  33             return tbl->name;
  34     }
  35     return "UNKNOWN";
  36 }
  37
  38 static int do_ssl_trace_list(BIO *bio, int indent,
  39                              const unsigned char *msg, size_t msglen,
  40                              size_t vlen, ssl_trace_tbl *tbl, size_t ntbl)
  41 {
  42     int val;
  43     if (msglen % vlen)
  44         return 0;
  45     while (msglen) {
  46         val = msg[0];
  47         if (vlen == 2)
  48             val = (val << 8) | msg[1];
  49         BIO_indent(bio, indent, 80);
  50         BIO_printf(bio, "%s (%d)\n", do_ssl_trace_str(val, tbl, ntbl), val);
  51         msg += vlen;
  52         msglen -= vlen;
  53     }
  54     return 1;
  55 }
  56
  57 /* Version number */
  58
  59 static ssl_trace_tbl ssl_version_tbl[] = {
  60     {SSL3_VERSION, "SSL 3.0"},
  61     {TLS1_VERSION, "TLS 1.0"},
  62     {TLS1_1_VERSION, "TLS 1.1"},
  63     {TLS1_2_VERSION, "TLS 1.2"},
  64     {DTLS1_VERSION, "DTLS 1.0"},
  65     {DTLS1_2_VERSION, "DTLS 1.2"},
  66     {DTLS1_BAD_VER, "DTLS 1.0 (bad)"}
  67 };
  68
  69 static ssl_trace_tbl ssl_content_tbl[] = {
  70     {SSL3_RT_CHANGE_CIPHER_SPEC, "ChangeCipherSpec"},
  71     {SSL3_RT_ALERT, "Alert"},
  72     {SSL3_RT_HANDSHAKE, "Handshake"},
  73     {SSL3_RT_APPLICATION_DATA, "ApplicationData"},
  74     {DTLS1_RT_HEARTBEAT, "HeartBeat"}
  75 };
  76
  77 /* Handshake types */
  78 static ssl_trace_tbl ssl_handshake_tbl[] = {
  79     {SSL3_MT_HELLO_REQUEST, "HelloRequest"},
  80     {SSL3_MT_CLIENT_HELLO, "ClientHello"},
  81     {SSL3_MT_SERVER_HELLO, "ServerHello"},
  82     {DTLS1_MT_HELLO_VERIFY_REQUEST, "HelloVerifyRequest"},
  83     {SSL3_MT_NEWSESSION_TICKET, "NewSessionTicket"},
  84     {SSL3_MT_CERTIFICATE, "Certificate"},
  85     {SSL3_MT_SERVER_KEY_EXCHANGE, "ServerKeyExchange"},
  86     {SSL3_MT_CERTIFICATE_REQUEST, "CertificateRequest"},
  87     {SSL3_MT_CLIENT_KEY_EXCHANGE, "ClientKeyExchange"},
  88     {SSL3_MT_CERTIFICATE_STATUS, "CertificateStatus"},
  89     {SSL3_MT_SERVER_DONE, "ServerHelloDone"},
  90     {SSL3_MT_CERTIFICATE_VERIFY, "CertificateVerify"},
  91     {SSL3_MT_CLIENT_KEY_EXCHANGE, "ClientKeyExchange"},
  92     {SSL3_MT_FINISHED, "Finished"},
  93     {SSL3_MT_CERTIFICATE_STATUS, "CertificateStatus"}
  94 };
  95
  96 /* Cipher suites */
  97 static ssl_trace_tbl ssl_ciphers_tbl[] = {
  98     {0x0000, "SSL_NULL_WITH_NULL_NULL"},
  99     {0x0001, "SSL_RSA_WITH_NULL_MD5"},
 100     {0x0002, "SSL_RSA_WITH_NULL_SHA"},
 101     {0x0003, "SSL_RSA_EXPORT_WITH_RC4_40_MD5"},
 102     {0x0004, "SSL_RSA_WITH_RC4_128_MD5"},
 103     {0x0005, "SSL_RSA_WITH_RC4_128_SHA"},
 104     {0x0006, "SSL_RSA_EXPORT_WITH_RC2_CBC_40_MD5"},
 105     {0x0007, "SSL_RSA_WITH_IDEA_CBC_SHA"},
 106     {0x0008, "SSL_RSA_EXPORT_WITH_DES40_CBC_SHA"},
 107     {0x0009, "SSL_RSA_WITH_DES_CBC_SHA"},
 108     {0x000A, "SSL_RSA_WITH_3DES_EDE_CBC_SHA"},
 109     {0x000B, "SSL_DH_DSS_EXPORT_WITH_DES40_CBC_SHA"},
 110     {0x000C, "SSL_DH_DSS_WITH_DES_CBC_SHA"},
 111     {0x000D, "SSL_DH_DSS_WITH_3DES_EDE_CBC_SHA"},
 112     {0x000E, "SSL_DH_RSA_EXPORT_WITH_DES40_CBC_SHA"},
 113     {0x000F, "SSL_DH_RSA_WITH_DES_CBC_SHA"},
 114     {0x0010, "SSL_DH_RSA_WITH_3DES_EDE_CBC_SHA"},
 115     {0x0011, "SSL_DHE_DSS_EXPORT_WITH_DES40_CBC_SHA"},
 116     {0x0012, "SSL_DHE_DSS_WITH_DES_CBC_SHA"},
 117     {0x0013, "SSL_DHE_DSS_WITH_3DES_EDE_CBC_SHA"},
 118     {0x0014, "SSL_DHE_RSA_EXPORT_WITH_DES40_CBC_SHA"},
 119     {0x0015, "SSL_DHE_RSA_WITH_DES_CBC_SHA"},
 120     {0x0016, "SSL_DHE_RSA_WITH_3DES_EDE_CBC_SHA"},
 121     {0x0017, "SSL_DH_anon_EXPORT_WITH_RC4_40_MD5"},
 122     {0x0018, "SSL_DH_anon_WITH_RC4_128_MD5"},
 123     {0x0019, "SSL_DH_anon_EXPORT_WITH_DES40_CBC_SHA"},
 124     {0x001A, "SSL_DH_anon_WITH_DES_CBC_SHA"},
 125     {0x001B, "SSL_DH_anon_WITH_3DES_EDE_CBC_SHA"},
 126     {0x001D, "SSL_FORTEZZA_KEA_WITH_FORTEZZA_CBC_SHA"},
 127     {0x001E, "SSL_FORTEZZA_KEA_WITH_RC4_128_SHA"},
 128     {0x001F, "TLS_KRB5_WITH_3DES_EDE_CBC_SHA"},
 129     {0x0020, "TLS_KRB5_WITH_RC4_128_SHA"},
 130     {0x0021, "TLS_KRB5_WITH_IDEA_CBC_SHA"},
 131     {0x0022, "TLS_KRB5_WITH_DES_CBC_MD5"},
 132     {0x0023, "TLS_KRB5_WITH_3DES_EDE_CBC_MD5"},
 133     {0x0024, "TLS_KRB5_WITH_RC4_128_MD5"},
 134     {0x0025, "TLS_KRB5_WITH_IDEA_CBC_MD5"},
 135     {0x0026, "TLS_KRB5_EXPORT_WITH_DES_CBC_40_SHA"},
 136     {0x0027, "TLS_KRB5_EXPORT_WITH_RC2_CBC_40_SHA"},
 137     {0x0028, "TLS_KRB5_EXPORT_WITH_RC4_40_SHA"},
 138     {0x0029, "TLS_KRB5_EXPORT_WITH_DES_CBC_40_MD5"},
 139     {0x002A, "TLS_KRB5_EXPORT_WITH_RC2_CBC_40_MD5"},
 140     {0x002B, "TLS_KRB5_EXPORT_WITH_RC4_40_MD5"},
 141     {0x002C, "TLS_PSK_WITH_NULL_SHA"},
 142     {0x002D, "TLS_DHE_PSK_WITH_NULL_SHA"},
 143     {0x002E, "TLS_RSA_PSK_WITH_NULL_SHA"},
 144     {0x002F, "TLS_RSA_WITH_AES_128_CBC_SHA"},
 145     {0x0030, "TLS_DH_DSS_WITH_AES_128_CBC_SHA"},
 146     {0x0031, "TLS_DH_RSA_WITH_AES_128_CBC_SHA"},
 147     {0x0032, "TLS_DHE_DSS_WITH_AES_128_CBC_SHA"},
 148     {0x0033, "TLS_DHE_RSA_WITH_AES_128_CBC_SHA"},
 149     {0x0034, "TLS_DH_anon_WITH_AES_128_CBC_SHA"},
 150     {0x0035, "TLS_RSA_WITH_AES_256_CBC_SHA"},
 151     {0x0036, "TLS_DH_DSS_WITH_AES_256_CBC_SHA"},
 152     {0x0037, "TLS_DH_RSA_WITH_AES_256_CBC_SHA"},
 153     {0x0038, "TLS_DHE_DSS_WITH_AES_256_CBC_SHA"},
 154     {0x0039, "TLS_DHE_RSA_WITH_AES_256_CBC_SHA"},
 155     {0x003A, "TLS_DH_anon_WITH_AES_256_CBC_SHA"},
 156     {0x003B, "TLS_RSA_WITH_NULL_SHA256"},
 157     {0x003C, "TLS_RSA_WITH_AES_128_CBC_SHA256"},
 158     {0x003D, "TLS_RSA_WITH_AES_256_CBC_SHA256"},
 159     {0x003E, "TLS_DH_DSS_WITH_AES_128_CBC_SHA256"},
 160     {0x003F, "TLS_DH_RSA_WITH_AES_128_CBC_SHA256"},
 161     {0x0040, "TLS_DHE_DSS_WITH_AES_128_CBC_SHA256"},
 162     {0x0041, "TLS_RSA_WITH_CAMELLIA_128_CBC_SHA"},
 163     {0x0042, "TLS_DH_DSS_WITH_CAMELLIA_128_CBC_SHA"},
 164     {0x0043, "TLS_DH_RSA_WITH_CAMELLIA_128_CBC_SHA"},
 165     {0x0044, "TLS_DHE_DSS_WITH_CAMELLIA_128_CBC_SHA"},
 166     {0x0045, "TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA"},
 167     {0x0046, "TLS_DH_anon_WITH_CAMELLIA_128_CBC_SHA"},
 168     {0x0067, "TLS_DHE_RSA_WITH_AES_128_CBC_SHA256"},
 169     {0x0068, "TLS_DH_DSS_WITH_AES_256_CBC_SHA256"},
 170     {0x0069, "TLS_DH_RSA_WITH_AES_256_CBC_SHA256"},
 171     {0x006A, "TLS_DHE_DSS_WITH_AES_256_CBC_SHA256"},
 172     {0x006B, "TLS_DHE_RSA_WITH_AES_256_CBC_SHA256"},
 173     {0x006C, "TLS_DH_anon_WITH_AES_128_CBC_SHA256"},
 174     {0x006D, "TLS_DH_anon_WITH_AES_256_CBC_SHA256"},
 175     {0x0084, "TLS_RSA_WITH_CAMELLIA_256_CBC_SHA"},
 176     {0x0085, "TLS_DH_DSS_WITH_CAMELLIA_256_CBC_SHA"},
 177     {0x0086, "TLS_DH_RSA_WITH_CAMELLIA_256_CBC_SHA"},
 178     {0x0087, "TLS_DHE_DSS_WITH_CAMELLIA_256_CBC_SHA"},
 179     {0x0088, "TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA"},
 180     {0x0089, "TLS_DH_anon_WITH_CAMELLIA_256_CBC_SHA"},
 181     {0x008A, "TLS_PSK_WITH_RC4_128_SHA"},
 182     {0x008B, "TLS_PSK_WITH_3DES_EDE_CBC_SHA"},
 183     {0x008C, "TLS_PSK_WITH_AES_128_CBC_SHA"},
 184     {0x008D, "TLS_PSK_WITH_AES_256_CBC_SHA"},
 185     {0x008E, "TLS_DHE_PSK_WITH_RC4_128_SHA"},
 186     {0x008F, "TLS_DHE_PSK_WITH_3DES_EDE_CBC_SHA"},
 187     {0x0090, "TLS_DHE_PSK_WITH_AES_128_CBC_SHA"},
 188     {0x0091, "TLS_DHE_PSK_WITH_AES_256_CBC_SHA"},
 189     {0x0092, "TLS_RSA_PSK_WITH_RC4_128_SHA"},
 190     {0x0093, "TLS_RSA_PSK_WITH_3DES_EDE_CBC_SHA"},
 191     {0x0094, "TLS_RSA_PSK_WITH_AES_128_CBC_SHA"},
 192     {0x0095, "TLS_RSA_PSK_WITH_AES_256_CBC_SHA"},
 193     {0x0096, "TLS_RSA_WITH_SEED_CBC_SHA"},
 194     {0x0097, "TLS_DH_DSS_WITH_SEED_CBC_SHA"},
 195     {0x0098, "TLS_DH_RSA_WITH_SEED_CBC_SHA"},
 196     {0x0099, "TLS_DHE_DSS_WITH_SEED_CBC_SHA"},
 197     {0x009A, "TLS_DHE_RSA_WITH_SEED_CBC_SHA"},
 198     {0x009B, "TLS_DH_anon_WITH_SEED_CBC_SHA"},
 199     {0x009C, "TLS_RSA_WITH_AES_128_GCM_SHA256"},
 200     {0x009D, "TLS_RSA_WITH_AES_256_GCM_SHA384"},
 201     {0x009E, "TLS_DHE_RSA_WITH_AES_128_GCM_SHA256"},
 202     {0x009F, "TLS_DHE_RSA_WITH_AES_256_GCM_SHA384"},
 203     {0x00A0, "TLS_DH_RSA_WITH_AES_128_GCM_SHA256"},
 204     {0x00A1, "TLS_DH_RSA_WITH_AES_256_GCM_SHA384"},
 205     {0x00A2, "TLS_DHE_DSS_WITH_AES_128_GCM_SHA256"},
 206     {0x00A3, "TLS_DHE_DSS_WITH_AES_256_GCM_SHA384"},
 207     {0x00A4, "TLS_DH_DSS_WITH_AES_128_GCM_SHA256"},
 208     {0x00A5, "TLS_DH_DSS_WITH_AES_256_GCM_SHA384"},
 209     {0x00A6, "TLS_DH_anon_WITH_AES_128_GCM_SHA256"},
 210     {0x00A7, "TLS_DH_anon_WITH_AES_256_GCM_SHA384"},
 211     {0x00A8, "TLS_PSK_WITH_AES_128_GCM_SHA256"},
 212     {0x00A9, "TLS_PSK_WITH_AES_256_GCM_SHA384"},
 213     {0x00AA, "TLS_DHE_PSK_WITH_AES_128_GCM_SHA256"},
 214     {0x00AB, "TLS_DHE_PSK_WITH_AES_256_GCM_SHA384"},
 215     {0x00AC, "TLS_RSA_PSK_WITH_AES_128_GCM_SHA256"},
 216     {0x00AD, "TLS_RSA_PSK_WITH_AES_256_GCM_SHA384"},
 217     {0x00AE, "TLS_PSK_WITH_AES_128_CBC_SHA256"},
 218     {0x00AF, "TLS_PSK_WITH_AES_256_CBC_SHA384"},
 219     {0x00B0, "TLS_PSK_WITH_NULL_SHA256"},
 220     {0x00B1, "TLS_PSK_WITH_NULL_SHA384"},
 221     {0x00B2, "TLS_DHE_PSK_WITH_AES_128_CBC_SHA256"},
 222     {0x00B3, "TLS_DHE_PSK_WITH_AES_256_CBC_SHA384"},
 223     {0x00B4, "TLS_DHE_PSK_WITH_NULL_SHA256"},
 224     {0x00B5, "TLS_DHE_PSK_WITH_NULL_SHA384"},
 225     {0x00B6, "TLS_RSA_PSK_WITH_AES_128_CBC_SHA256"},
 226     {0x00B7, "TLS_RSA_PSK_WITH_AES_256_CBC_SHA384"},
 227     {0x00B8, "TLS_RSA_PSK_WITH_NULL_SHA256"},
 228     {0x00B9, "TLS_RSA_PSK_WITH_NULL_SHA384"},
 229     {0x00BA, "TLS_RSA_WITH_CAMELLIA_128_CBC_SHA256"},
 230     {0x00BB, "TLS_DH_DSS_WITH_CAMELLIA_128_CBC_SHA256"},
 231     {0x00BC, "TLS_DH_RSA_WITH_CAMELLIA_128_CBC_SHA256"},
 232     {0x00BD, "TLS_DHE_DSS_WITH_CAMELLIA_128_CBC_SHA256"},
 233     {0x00BE, "TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA256"},
 234     {0x00BF, "TLS_DH_anon_WITH_CAMELLIA_128_CBC_SHA256"},
 235     {0x00C0, "TLS_RSA_WITH_CAMELLIA_256_CBC_SHA256"},
 236     {0x00C1, "TLS_DH_DSS_WITH_CAMELLIA_256_CBC_SHA256"},
 237     {0x00C2, "TLS_DH_RSA_WITH_CAMELLIA_256_CBC_SHA256"},
 238     {0x00C3, "TLS_DHE_DSS_WITH_CAMELLIA_256_CBC_SHA256"},
 239     {0x00C4, "TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA256"},
 240     {0x00C5, "TLS_DH_anon_WITH_CAMELLIA_256_CBC_SHA256"},
 241     {0x00FF, "TLS_EMPTY_RENEGOTIATION_INFO_SCSV"},
 242     {0x5600, "TLS_FALLBACK_SCSV"},
 243     {0xC001, "TLS_ECDH_ECDSA_WITH_NULL_SHA"},
 244     {0xC002, "TLS_ECDH_ECDSA_WITH_RC4_128_SHA"},
 245     {0xC003, "TLS_ECDH_ECDSA_WITH_3DES_EDE_CBC_SHA"},
 246     {0xC004, "TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA"},
 247     {0xC005, "TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA"},
 248     {0xC006, "TLS_ECDHE_ECDSA_WITH_NULL_SHA"},
 249     {0xC007, "TLS_ECDHE_ECDSA_WITH_RC4_128_SHA"},
 250     {0xC008, "TLS_ECDHE_ECDSA_WITH_3DES_EDE_CBC_SHA"},
 251     {0xC009, "TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA"},
 252     {0xC00A, "TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA"},
 253     {0xC00B, "TLS_ECDH_RSA_WITH_NULL_SHA"},
 254     {0xC00C, "TLS_ECDH_RSA_WITH_RC4_128_SHA"},
 255     {0xC00D, "TLS_ECDH_RSA_WITH_3DES_EDE_CBC_SHA"},
 256     {0xC00E, "TLS_ECDH_RSA_WITH_AES_128_CBC_SHA"},
 257     {0xC00F, "TLS_ECDH_RSA_WITH_AES_256_CBC_SHA"},
 258     {0xC010, "TLS_ECDHE_RSA_WITH_NULL_SHA"},
 259     {0xC011, "TLS_ECDHE_RSA_WITH_RC4_128_SHA"},
 260     {0xC012, "TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA"},
 261     {0xC013, "TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA"},
 262     {0xC014, "TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA"},
 263     {0xC015, "TLS_ECDH_anon_WITH_NULL_SHA"},
 264     {0xC016, "TLS_ECDH_anon_WITH_RC4_128_SHA"},
 265     {0xC017, "TLS_ECDH_anon_WITH_3DES_EDE_CBC_SHA"},
 266     {0xC018, "TLS_ECDH_anon_WITH_AES_128_CBC_SHA"},
 267     {0xC019, "TLS_ECDH_anon_WITH_AES_256_CBC_SHA"},
 268     {0xC01A, "TLS_SRP_SHA_WITH_3DES_EDE_CBC_SHA"},
 269     {0xC01B, "TLS_SRP_SHA_RSA_WITH_3DES_EDE_CBC_SHA"},
 270     {0xC01C, "TLS_SRP_SHA_DSS_WITH_3DES_EDE_CBC_SHA"},
 271     {0xC01D, "TLS_SRP_SHA_WITH_AES_128_CBC_SHA"},
 272     {0xC01E, "TLS_SRP_SHA_RSA_WITH_AES_128_CBC_SHA"},
 273     {0xC01F, "TLS_SRP_SHA_DSS_WITH_AES_128_CBC_SHA"},
 274     {0xC020, "TLS_SRP_SHA_WITH_AES_256_CBC_SHA"},
 275     {0xC021, "TLS_SRP_SHA_RSA_WITH_AES_256_CBC_SHA"},
 276     {0xC022, "TLS_SRP_SHA_DSS_WITH_AES_256_CBC_SHA"},
 277     {0xC023, "TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256"},
 278     {0xC024, "TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384"},
 279     {0xC025, "TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA256"},
 280     {0xC026, "TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA384"},
 281     {0xC027, "TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256"},
 282     {0xC028, "TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384"},
 283     {0xC029, "TLS_ECDH_RSA_WITH_AES_128_CBC_SHA256"},
 284     {0xC02A, "TLS_ECDH_RSA_WITH_AES_256_CBC_SHA384"},
 285     {0xC02B, "TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256"},
 286     {0xC02C, "TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384"},
 287     {0xC02D, "TLS_ECDH_ECDSA_WITH_AES_128_GCM_SHA256"},
 288     {0xC02E, "TLS_ECDH_ECDSA_WITH_AES_256_GCM_SHA384"},
 289     {0xC02F, "TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256"},
 290     {0xC030, "TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384"},
 291     {0xC031, "TLS_ECDH_RSA_WITH_AES_128_GCM_SHA256"},
 292     {0xC032, "TLS_ECDH_RSA_WITH_AES_256_GCM_SHA384"},
 293     {0xC033, "TLS_ECDHE_PSK_WITH_RC4_128_SHA"},
 294     {0xC034, "TLS_ECDHE_PSK_WITH_3DES_EDE_CBC_SHA"},
 295     {0xC035, "TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA"},
 296     {0xC036, "TLS_ECDHE_PSK_WITH_AES_256_CBC_SHA"},
 297     {0xC037, "TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA256"},
 298     {0xC038, "TLS_ECDHE_PSK_WITH_AES_256_CBC_SHA384"},
 299     {0xC039, "TLS_ECDHE_PSK_WITH_NULL_SHA"},
 300     {0xC03A, "TLS_ECDHE_PSK_WITH_NULL_SHA256"},
 301     {0xC03B, "TLS_ECDHE_PSK_WITH_NULL_SHA384"},
 302     {0xC03C, "TLS_RSA_WITH_ARIA_128_CBC_SHA256"},
 303     {0xC03D, "TLS_RSA_WITH_ARIA_256_CBC_SHA384"},
 304     {0xC03E, "TLS_DH_DSS_WITH_ARIA_128_CBC_SHA256"},
 305     {0xC03F, "TLS_DH_DSS_WITH_ARIA_256_CBC_SHA384"},
 306     {0xC040, "TLS_DH_RSA_WITH_ARIA_128_CBC_SHA256"},
 307     {0xC041, "TLS_DH_RSA_WITH_ARIA_256_CBC_SHA384"},
 308     {0xC042, "TLS_DHE_DSS_WITH_ARIA_128_CBC_SHA256"},
 309     {0xC043, "TLS_DHE_DSS_WITH_ARIA_256_CBC_SHA384"},
 310     {0xC044, "TLS_DHE_RSA_WITH_ARIA_128_CBC_SHA256"},
 311     {0xC045, "TLS_DHE_RSA_WITH_ARIA_256_CBC_SHA384"},
 312     {0xC046, "TLS_DH_anon_WITH_ARIA_128_CBC_SHA256"},
 313     {0xC047, "TLS_DH_anon_WITH_ARIA_256_CBC_SHA384"},
 314     {0xC048, "TLS_ECDHE_ECDSA_WITH_ARIA_128_CBC_SHA256"},
 315     {0xC049, "TLS_ECDHE_ECDSA_WITH_ARIA_256_CBC_SHA384"},
 316     {0xC04A, "TLS_ECDH_ECDSA_WITH_ARIA_128_CBC_SHA256"},
 317     {0xC04B, "TLS_ECDH_ECDSA_WITH_ARIA_256_CBC_SHA384"},
 318     {0xC04C, "TLS_ECDHE_RSA_WITH_ARIA_128_CBC_SHA256"},
 319     {0xC04D, "TLS_ECDHE_RSA_WITH_ARIA_256_CBC_SHA384"},
 320     {0xC04E, "TLS_ECDH_RSA_WITH_ARIA_128_CBC_SHA256"},
 321     {0xC04F, "TLS_ECDH_RSA_WITH_ARIA_256_CBC_SHA384"},
 322     {0xC050, "TLS_RSA_WITH_ARIA_128_GCM_SHA256"},
 323     {0xC051, "TLS_RSA_WITH_ARIA_256_GCM_SHA384"},
 324     {0xC052, "TLS_DHE_RSA_WITH_ARIA_128_GCM_SHA256"},
 325     {0xC053, "TLS_DHE_RSA_WITH_ARIA_256_GCM_SHA384"},
 326     {0xC054, "TLS_DH_RSA_WITH_ARIA_128_GCM_SHA256"},
 327     {0xC055, "TLS_DH_RSA_WITH_ARIA_256_GCM_SHA384"},
 328     {0xC056, "TLS_DHE_DSS_WITH_ARIA_128_GCM_SHA256"},
 329     {0xC057, "TLS_DHE_DSS_WITH_ARIA_256_GCM_SHA384"},
 330     {0xC058, "TLS_DH_DSS_WITH_ARIA_128_GCM_SHA256"},
 331     {0xC059, "TLS_DH_DSS_WITH_ARIA_256_GCM_SHA384"},
 332     {0xC05A, "TLS_DH_anon_WITH_ARIA_128_GCM_SHA256"},
 333     {0xC05B, "TLS_DH_anon_WITH_ARIA_256_GCM_SHA384"},
 334     {0xC05C, "TLS_ECDHE_ECDSA_WITH_ARIA_128_GCM_SHA256"},
 335     {0xC05D, "TLS_ECDHE_ECDSA_WITH_ARIA_256_GCM_SHA384"},
 336     {0xC05E, "TLS_ECDH_ECDSA_WITH_ARIA_128_GCM_SHA256"},
 337     {0xC05F, "TLS_ECDH_ECDSA_WITH_ARIA_256_GCM_SHA384"},
 338     {0xC060, "TLS_ECDHE_RSA_WITH_ARIA_128_GCM_SHA256"},
 339     {0xC061, "TLS_ECDHE_RSA_WITH_ARIA_256_GCM_SHA384"},
 340     {0xC062, "TLS_ECDH_RSA_WITH_ARIA_128_GCM_SHA256"},
 341     {0xC063, "TLS_ECDH_RSA_WITH_ARIA_256_GCM_SHA384"},
 342     {0xC064, "TLS_PSK_WITH_ARIA_128_CBC_SHA256"},
 343     {0xC065, "TLS_PSK_WITH_ARIA_256_CBC_SHA384"},
 344     {0xC066, "TLS_DHE_PSK_WITH_ARIA_128_CBC_SHA256"},
 345     {0xC067, "TLS_DHE_PSK_WITH_ARIA_256_CBC_SHA384"},
 346     {0xC068, "TLS_RSA_PSK_WITH_ARIA_128_CBC_SHA256"},
 347     {0xC069, "TLS_RSA_PSK_WITH_ARIA_256_CBC_SHA384"},
 348     {0xC06A, "TLS_PSK_WITH_ARIA_128_GCM_SHA256"},
 349     {0xC06B, "TLS_PSK_WITH_ARIA_256_GCM_SHA384"},
 350     {0xC06C, "TLS_DHE_PSK_WITH_ARIA_128_GCM_SHA256"},
 351     {0xC06D, "TLS_DHE_PSK_WITH_ARIA_256_GCM_SHA384"},
 352     {0xC06E, "TLS_RSA_PSK_WITH_ARIA_128_GCM_SHA256"},
 353     {0xC06F, "TLS_RSA_PSK_WITH_ARIA_256_GCM_SHA384"},
 354     {0xC070, "TLS_ECDHE_PSK_WITH_ARIA_128_CBC_SHA256"},
 355     {0xC071, "TLS_ECDHE_PSK_WITH_ARIA_256_CBC_SHA384"},
 356     {0xC072, "TLS_ECDHE_ECDSA_WITH_CAMELLIA_128_CBC_SHA256"},
 357     {0xC073, "TLS_ECDHE_ECDSA_WITH_CAMELLIA_256_CBC_SHA384"},
 358     {0xC074, "TLS_ECDH_ECDSA_WITH_CAMELLIA_128_CBC_SHA256"},
 359     {0xC075, "TLS_ECDH_ECDSA_WITH_CAMELLIA_256_CBC_SHA384"},
 360     {0xC076, "TLS_ECDHE_RSA_WITH_CAMELLIA_128_CBC_SHA256"},
 361     {0xC077, "TLS_ECDHE_RSA_WITH_CAMELLIA_256_CBC_SHA384"},
 362     {0xC078, "TLS_ECDH_RSA_WITH_CAMELLIA_128_CBC_SHA256"},
 363     {0xC079, "TLS_ECDH_RSA_WITH_CAMELLIA_256_CBC_SHA384"},
 364     {0xC07A, "TLS_RSA_WITH_CAMELLIA_128_GCM_SHA256"},
 365     {0xC07B, "TLS_RSA_WITH_CAMELLIA_256_GCM_SHA384"},
 366     {0xC07C, "TLS_DHE_RSA_WITH_CAMELLIA_128_GCM_SHA256"},
 367     {0xC07D, "TLS_DHE_RSA_WITH_CAMELLIA_256_GCM_SHA384"},
 368     {0xC07E, "TLS_DH_RSA_WITH_CAMELLIA_128_GCM_SHA256"},
 369     {0xC07F, "TLS_DH_RSA_WITH_CAMELLIA_256_GCM_SHA384"},
 370     {0xC080, "TLS_DHE_DSS_WITH_CAMELLIA_128_GCM_SHA256"},
 371     {0xC081, "TLS_DHE_DSS_WITH_CAMELLIA_256_GCM_SHA384"},
 372     {0xC082, "TLS_DH_DSS_WITH_CAMELLIA_128_GCM_SHA256"},
 373     {0xC083, "TLS_DH_DSS_WITH_CAMELLIA_256_GCM_SHA384"},
 374     {0xC084, "TLS_DH_anon_WITH_CAMELLIA_128_GCM_SHA256"},
 375     {0xC085, "TLS_DH_anon_WITH_CAMELLIA_256_GCM_SHA384"},
 376     {0xC086, "TLS_ECDHE_ECDSA_WITH_CAMELLIA_128_GCM_SHA256"},
 377     {0xC087, "TLS_ECDHE_ECDSA_WITH_CAMELLIA_256_GCM_SHA384"},
 378     {0xC088, "TLS_ECDH_ECDSA_WITH_CAMELLIA_128_GCM_SHA256"},
 379     {0xC089, "TLS_ECDH_ECDSA_WITH_CAMELLIA_256_GCM_SHA384"},
 380     {0xC08A, "TLS_ECDHE_RSA_WITH_CAMELLIA_128_GCM_SHA256"},
 381     {0xC08B, "TLS_ECDHE_RSA_WITH_CAMELLIA_256_GCM_SHA384"},
 382     {0xC08C, "TLS_ECDH_RSA_WITH_CAMELLIA_128_GCM_SHA256"},
 383     {0xC08D, "TLS_ECDH_RSA_WITH_CAMELLIA_256_GCM_SHA384"},
 384     {0xC08E, "TLS_PSK_WITH_CAMELLIA_128_GCM_SHA256"},
 385     {0xC08F, "TLS_PSK_WITH_CAMELLIA_256_GCM_SHA384"},
 386     {0xC090, "TLS_DHE_PSK_WITH_CAMELLIA_128_GCM_SHA256"},
 387     {0xC091, "TLS_DHE_PSK_WITH_CAMELLIA_256_GCM_SHA384"},
 388     {0xC092, "TLS_RSA_PSK_WITH_CAMELLIA_128_GCM_SHA256"},
 389     {0xC093, "TLS_RSA_PSK_WITH_CAMELLIA_256_GCM_SHA384"},
 390     {0xC094, "TLS_PSK_WITH_CAMELLIA_128_CBC_SHA256"},
 391     {0xC095, "TLS_PSK_WITH_CAMELLIA_256_CBC_SHA384"},
 392     {0xC096, "TLS_DHE_PSK_WITH_CAMELLIA_128_CBC_SHA256"},
 393     {0xC097, "TLS_DHE_PSK_WITH_CAMELLIA_256_CBC_SHA384"},
 394     {0xC098, "TLS_RSA_PSK_WITH_CAMELLIA_128_CBC_SHA256"},
 395     {0xC099, "TLS_RSA_PSK_WITH_CAMELLIA_256_CBC_SHA384"},
 396     {0xC09A, "TLS_ECDHE_PSK_WITH_CAMELLIA_128_CBC_SHA256"},
 397     {0xC09B, "TLS_ECDHE_PSK_WITH_CAMELLIA_256_CBC_SHA384"},
 398     {0xC09C, "TLS_RSA_WITH_AES_128_CCM"},
 399     {0xC09D, "TLS_RSA_WITH_AES_256_CCM"},
 400     {0xC09E, "TLS_DHE_RSA_WITH_AES_128_CCM"},
 401     {0xC09F, "TLS_DHE_RSA_WITH_AES_256_CCM"},
 402     {0xC0A0, "TLS_RSA_WITH_AES_128_CCM_8"},
 403     {0xC0A1, "TLS_RSA_WITH_AES_256_CCM_8"},
 404     {0xC0A2, "TLS_DHE_RSA_WITH_AES_128_CCM_8"},
 405     {0xC0A3, "TLS_DHE_RSA_WITH_AES_256_CCM_8"},
 406     {0xC0A4, "TLS_PSK_WITH_AES_128_CCM"},
 407     {0xC0A5, "TLS_PSK_WITH_AES_256_CCM"},
 408     {0xC0A6, "TLS_DHE_PSK_WITH_AES_128_CCM"},
 409     {0xC0A7, "TLS_DHE_PSK_WITH_AES_256_CCM"},
 410     {0xC0A8, "TLS_PSK_WITH_AES_128_CCM_8"},
 411     {0xC0A9, "TLS_PSK_WITH_AES_256_CCM_8"},
 412     {0xC0AA, "TLS_PSK_DHE_WITH_AES_128_CCM_8"},
 413     {0xC0AB, "TLS_PSK_DHE_WITH_AES_256_CCM_8"},
 414     {0xC0AC, "TLS_ECDHE_ECDSA_WITH_AES_128_CCM"},
 415     {0xC0AD, "TLS_ECDHE_ECDSA_WITH_AES_256_CCM"},
 416     {0xC0AE, "TLS_ECDHE_ECDSA_WITH_AES_128_CCM_8"},
 417     {0xC0AF, "TLS_ECDHE_ECDSA_WITH_AES_256_CCM_8"},
 418     {0xCCA8, "TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256"},
 419     {0xCCA9, "TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256"},
 420     {0xCCAA, "TLS_DHE_RSA_WITH_CHACHA20_POLY1305_SHA256"},
 421     {0xCCAB, "TLS_PSK_WITH_CHACHA20_POLY1305_SHA256"},
 422     {0xCCAC, "TLS_ECDHE_PSK_WITH_CHACHA20_POLY1305_SHA256"},
 423     {0xCCAD, "TLS_DHE_PSK_WITH_CHACHA20_POLY1305_SHA256"},
 424     {0xCCAE, "TLS_RSA_PSK_WITH_CHACHA20_POLY1305_SHA256"},
 425     {0xFEFE, "SSL_RSA_FIPS_WITH_DES_CBC_SHA"},
 426     {0xFEFF, "SSL_RSA_FIPS_WITH_3DES_EDE_CBC_SHA"},
 427 };
 428
 429 /* Compression methods */
 430 static ssl_trace_tbl ssl_comp_tbl[] = {
 431     {0x0000, "No Compression"},
 432     {0x0001, "Zlib Compression"}
 433 };
 434
 435 /* Extensions */
 436 static ssl_trace_tbl ssl_exts_tbl[] = {
 437     {TLSEXT_TYPE_server_name, "server_name"},
 438     {TLSEXT_TYPE_max_fragment_length, "max_fragment_length"},
 439     {TLSEXT_TYPE_client_certificate_url, "client_certificate_url"},
 440     {TLSEXT_TYPE_trusted_ca_keys, "trusted_ca_keys"},
 441     {TLSEXT_TYPE_truncated_hmac, "truncated_hmac"},
 442     {TLSEXT_TYPE_status_request, "status_request"},
 443     {TLSEXT_TYPE_user_mapping, "user_mapping"},
 444     {TLSEXT_TYPE_client_authz, "client_authz"},
 445     {TLSEXT_TYPE_server_authz, "server_authz"},
 446     {TLSEXT_TYPE_cert_type, "cert_type"},
 447     {TLSEXT_TYPE_elliptic_curves, "elliptic_curves"},
 448     {TLSEXT_TYPE_ec_point_formats, "ec_point_formats"},
 449     {TLSEXT_TYPE_srp, "srp"},
 450     {TLSEXT_TYPE_signature_algorithms, "signature_algorithms"},
 451     {TLSEXT_TYPE_use_srtp, "use_srtp"},
 452     {TLSEXT_TYPE_heartbeat, "heartbeat"},
 453     {TLSEXT_TYPE_session_ticket, "session_ticket"},
 454     {TLSEXT_TYPE_renegotiate, "renegotiate"},
 455 # ifndef OPENSSL_NO_NEXTPROTONEG
 456     {TLSEXT_TYPE_next_proto_neg, "next_proto_neg"},
 457 # endif
 458     {TLSEXT_TYPE_signed_certificate_timestamp, "signed_certificate_timestamps"},
 459     {TLSEXT_TYPE_padding, "padding"},
 460     {TLSEXT_TYPE_encrypt_then_mac, "encrypt_then_mac"},
 461     {TLSEXT_TYPE_extended_master_secret, "extended_master_secret"}
 462 };
 463
 464 static ssl_trace_tbl ssl_curve_tbl[] = {
 465     {1, "sect163k1 (K-163)"},
 466     {2, "sect163r1"},
 467     {3, "sect163r2 (B-163)"},
 468     {4, "sect193r1"},
 469     {5, "sect193r2"},
 470     {6, "sect233k1 (K-233)"},
 471     {7, "sect233r1 (B-233)"},
 472     {8, "sect239k1"},
 473     {9, "sect283k1 (K-283)"},
 474     {10, "sect283r1 (B-283)"},
 475     {11, "sect409k1 (K-409)"},
 476     {12, "sect409r1 (B-409)"},
 477     {13, "sect571k1 (K-571)"},
 478     {14, "sect571r1 (B-571)"},
 479     {15, "secp160k1"},
 480     {16, "secp160r1"},
 481     {17, "secp160r2"},
 482     {18, "secp192k1"},
 483     {19, "secp192r1 (P-192)"},
 484     {20, "secp224k1"},
 485     {21, "secp224r1 (P-224)"},
 486     {22, "secp256k1"},
 487     {23, "secp256r1 (P-256)"},
 488     {24, "secp384r1 (P-384)"},
 489     {25, "secp521r1 (P-521)"},
 490     {26, "brainpoolP256r1"},
 491     {27, "brainpoolP384r1"},
 492     {28, "brainpoolP512r1"},
 493     {29, "ecdh_x25519"},
 494     {0xFF01, "arbitrary_explicit_prime_curves"},
 495     {0xFF02, "arbitrary_explicit_char2_curves"}
 496 };
 497
 498 static ssl_trace_tbl ssl_point_tbl[] = {
 499     {0, "uncompressed"},
 500     {1, "ansiX962_compressed_prime"},
 501     {2, "ansiX962_compressed_char2"}
 502 };
 503
 504 static ssl_trace_tbl ssl_md_tbl[] = {
 505     {TLSEXT_hash_none, "none"},
 506     {TLSEXT_hash_md5, "md5"},
 507     {TLSEXT_hash_sha1, "sha1"},
 508     {TLSEXT_hash_sha224, "sha224"},
 509     {TLSEXT_hash_sha256, "sha256"},
 510     {TLSEXT_hash_sha384, "sha384"},
 511     {TLSEXT_hash_sha512, "sha512"},
 512     {TLSEXT_hash_gostr3411, "md_gost94"},
 513     {TLSEXT_hash_gostr34112012_256, "md_gost2012_256"},
 514     {TLSEXT_hash_gostr34112012_512, "md_gost2012_512"}
 515 };
 516
 517 static ssl_trace_tbl ssl_sig_tbl[] = {
 518     {TLSEXT_signature_anonymous, "anonymous"},
 519     {TLSEXT_signature_rsa, "rsa"},
 520     {TLSEXT_signature_dsa, "dsa"},
 521     {TLSEXT_signature_ecdsa, "ecdsa"},
 522     {TLSEXT_signature_gostr34102001, "gost2001"},
 523     {TLSEXT_signature_gostr34102012_256, "gost2012_256"},
 524     {TLSEXT_signature_gostr34102012_512, "gost2012_512"}
 525 };
 526
 527 static ssl_trace_tbl ssl_hb_tbl[] = {
 528     {1, "peer_allowed_to_send"},
 529     {2, "peer_not_allowed_to_send"}
 530 };
 531
 532 static ssl_trace_tbl ssl_hb_type_tbl[] = {
 533     {1, "heartbeat_request"},
 534     {2, "heartbeat_response"}
 535 };
 536
 537 static ssl_trace_tbl ssl_ctype_tbl[] = {
 538     {1, "rsa_sign"},
 539     {2, "dss_sign"},
 540     {3, "rsa_fixed_dh"},
 541     {4, "dss_fixed_dh"},
 542     {5, "rsa_ephemeral_dh"},
 543     {6, "dss_ephemeral_dh"},
 544     {20, "fortezza_dms"},
 545     {64, "ecdsa_sign"},
 546     {65, "rsa_fixed_ecdh"},
 547     {66, "ecdsa_fixed_ecdh"}
 548 };
 549
 550 static void ssl_print_hex(BIO *bio, int indent, const char *name,
 551                           const unsigned char *msg, size_t msglen)
 552 {
 553     size_t i;
 554     BIO_indent(bio, indent, 80);
 555     BIO_printf(bio, "%s (len=%d): ", name, (int)msglen);
 556     for (i = 0; i < msglen; i++)
 557         BIO_printf(bio, "%02X", msg[i]);
 558     BIO_puts(bio, "\n");
 559 }
 560
 561 static int ssl_print_hexbuf(BIO *bio, int indent,
 562                             const char *name, size_t nlen,
 563                             const unsigned char **pmsg, size_t *pmsglen)
 564 {
 565     size_t blen;
 566     const unsigned char *p = *pmsg;
 567     if (*pmsglen < nlen)
 568         return 0;
 569     blen = p[0];
 570     if (nlen > 1)
 571         blen = (blen << 8) | p[1];
 572     if (*pmsglen < nlen + blen)
 573         return 0;
 574     p += nlen;
 575     ssl_print_hex(bio, indent, name, p, blen);
 576     *pmsg += blen + nlen;
 577     *pmsglen -= blen + nlen;
 578     return 1;
 579 }
 580
 581 static int ssl_print_version(BIO *bio, int indent, const char *name,
 582                              const unsigned char **pmsg, size_t *pmsglen)
 583 {
 584     int vers;
 585     if (*pmsglen < 2)
 586         return 0;
 587     vers = ((*pmsg)[0] << 8) | (*pmsg)[1];
 588     BIO_indent(bio, indent, 80);
 589     BIO_printf(bio, "%s=0x%x (%s)\n",
 590                name, vers, ssl_trace_str(vers, ssl_version_tbl));
 591     *pmsg += 2;
 592     *pmsglen -= 2;
 593     return 1;
 594 }
 595
 596 static int ssl_print_random(BIO *bio, int indent,
 597                             const unsigned char **pmsg, size_t *pmsglen)
 598 {
 599     unsigned int tm;
 600     const unsigned char *p = *pmsg;
 601     if (*pmsglen < 32)
 602         return 0;
 603     tm = (p[0] << 24) | (p[1] << 16) | (p[2] << 8) | p[3];
 604     p += 4;
 605     BIO_indent(bio, indent, 80);
 606     BIO_puts(bio, "Random:\n");
 607     BIO_indent(bio, indent + 2, 80);
 608     BIO_printf(bio, "gmt_unix_time=0x%08X\n", tm);
 609     ssl_print_hex(bio, indent + 2, "random_bytes", p, 28);
 610     *pmsg += 32;
 611     *pmsglen -= 32;
 612     return 1;
 613 }
 614
 615 static int ssl_print_signature(BIO *bio, int indent, SSL *s,
 616                                const unsigned char **pmsg, size_t *pmsglen)
 617 {
 618     if (*pmsglen < 2)
 619         return 0;
 620     if (SSL_USE_SIGALGS(s)) {
 621         const unsigned char *p = *pmsg;
 622         BIO_indent(bio, indent, 80);
 623         BIO_printf(bio, "Signature Algorithm %s+%s (%d+%d)\n",
 624                    ssl_trace_str(p[0], ssl_md_tbl),
 625                    ssl_trace_str(p[1], ssl_sig_tbl), p[0], p[1]);
 626         *pmsg += 2;
 627         *pmsglen -= 2;
 628     }
 629     return ssl_print_hexbuf(bio, indent, "Signature", 2, pmsg, pmsglen);
 630 }
 631
 632 static int ssl_print_extension(BIO *bio, int indent, int server, int extype,
 633                                const unsigned char *ext, size_t extlen)
 634 {
 635     size_t xlen;
 636     BIO_indent(bio, indent, 80);
 637     BIO_printf(bio, "extension_type=%s(%d), length=%d\n",
 638                ssl_trace_str(extype, ssl_exts_tbl), extype, (int)extlen);
 639     switch (extype) {
 640     case TLSEXT_TYPE_ec_point_formats:
 641         if (extlen < 1)
 642             return 0;
 643         xlen = ext[0];
 644         if (extlen != xlen + 1)
 645             return 0;
 646         return ssl_trace_list(bio, indent + 2, ext + 1, xlen, 1, ssl_point_tbl);
 647
 648     case TLSEXT_TYPE_elliptic_curves:
 649         if (extlen < 2)
 650             return 0;
 651         xlen = (ext[0] << 8) | ext[1];
 652         if (extlen != xlen + 2)
 653             return 0;
 654         return ssl_trace_list(bio, indent + 2, ext + 2, xlen, 2, ssl_curve_tbl);
 655
 656     case TLSEXT_TYPE_signature_algorithms:
 657
 658         if (extlen < 2)
 659             return 0;
 660         xlen = (ext[0] << 8) | ext[1];
 661         if (extlen != xlen + 2)
 662             return 0;
 663         if (xlen & 1)
 664             return 0;
 665         ext += 2;
 666         while (xlen > 0) {
 667             BIO_indent(bio, indent + 2, 80);
 668             BIO_printf(bio, "%s+%s (%d+%d)\n",
 669                        ssl_trace_str(ext[0], ssl_md_tbl),
 670                        ssl_trace_str(ext[1], ssl_sig_tbl), ext[0], ext[1]);
 671             xlen -= 2;
 672             ext += 2;
 673         }
 674         break;
 675
 676     case TLSEXT_TYPE_renegotiate:
 677         if (extlen < 1)
 678             return 0;
 679         xlen = ext[0];
 680         if (xlen + 1 != extlen)
 681             return 0;
 682         ext++;
 683         if (xlen) {
 684             if (server) {
 685                 if (xlen & 1)
 686                     return 0;
 687                 xlen >>= 1;
 688             }
 689             ssl_print_hex(bio, indent + 4, "client_verify_data", ext, xlen);
 690             if (server) {
 691                 ext += xlen;
 692                 ssl_print_hex(bio, indent + 4, "server_verify_data", ext, xlen);
 693             }
 694         } else {
 695             BIO_indent(bio, indent + 4, 80);
 696             BIO_puts(bio, "<EMPTY>\n");
 697         }
 698         break;
 699
 700     case TLSEXT_TYPE_heartbeat:
 701         if (extlen != 1)
 702             return 0;
 703         BIO_indent(bio, indent + 2, 80);
 704         BIO_printf(bio, "HeartbeatMode: %s\n",
 705                    ssl_trace_str(ext[0], ssl_hb_tbl));
 706         break;
 707
 708     case TLSEXT_TYPE_session_ticket:
 709         if (extlen != 0)
 710             ssl_print_hex(bio, indent + 4, "ticket", ext, extlen);
 711         break;
 712
 713     default:
 714         BIO_dump_indent(bio, (const char *)ext, extlen, indent + 2);
 715     }
 716     return 1;
 717 }
 718
 719 static int ssl_print_extensions(BIO *bio, int indent, int server,
 720                                 const unsigned char *msg, size_t msglen)
 721 {
 722     size_t extslen;
 723     BIO_indent(bio, indent, 80);
 724     if (msglen == 0) {
 725         BIO_puts(bio, "No Extensions\n");
 726         return 1;
 727     }
 728     if (msglen < 2)
 729         return 0;
 730     extslen = (msg[0] << 8) | msg[1];
 731     if (extslen != msglen - 2)
 732         return 0;
 733     msg += 2;
 734     msglen = extslen;
 735     BIO_printf(bio, "extensions, length = %d\n", (int)msglen);
 736     while (msglen > 0) {
 737         int extype;
 738         size_t extlen;
 739         if (msglen < 4)
 740             return 0;
 741         extype = (msg[0] << 8) | msg[1];
 742         extlen = (msg[2] << 8) | msg[3];
 743         if (msglen < extlen + 4)
 744             return 0;
 745         msg += 4;
 746         if (!ssl_print_extension(bio, indent + 2, server, extype, msg, extlen))
 747             return 0;
 748         msg += extlen;
 749         msglen -= extlen + 4;
 750     }
 751     return 1;
 752 }
 753
 754 static int ssl_print_client_hello(BIO *bio, SSL *ssl, int indent,
 755                                   const unsigned char *msg, size_t msglen)
 756 {
 757     size_t len;
 758     unsigned int cs;
 759     if (!ssl_print_version(bio, indent, "client_version", &msg, &msglen))
 760         return 0;
 761     if (!ssl_print_random(bio, indent, &msg, &msglen))
 762         return 0;
 763     if (!ssl_print_hexbuf(bio, indent, "session_id", 1, &msg, &msglen))
 764         return 0;
 765     if (SSL_IS_DTLS(ssl)) {
 766         if (!ssl_print_hexbuf(bio, indent, "cookie", 1, &msg, &msglen))
 767             return 0;
 768     }
 769     if (msglen < 2)
 770         return 0;
 771     len = (msg[0] << 8) | msg[1];
 772     msg += 2;
 773     msglen -= 2;
 774     BIO_indent(bio, indent, 80);
 775     BIO_printf(bio, "cipher_suites (len=%d)\n", (int)len);
 776     if (msglen < len || len & 1)
 777         return 0;
 778     while (len > 0) {
 779         cs = (msg[0] << 8) | msg[1];
 780         BIO_indent(bio, indent + 2, 80);
 781         BIO_printf(bio, "{0x%02X, 0x%02X} %s\n",
 782                    msg[0], msg[1], ssl_trace_str(cs, ssl_ciphers_tbl));
 783         msg += 2;
 784         msglen -= 2;
 785         len -= 2;
 786     }
 787     if (msglen < 1)
 788         return 0;
 789     len = msg[0];
 790     msg++;
 791     msglen--;
 792     if (msglen < len)
 793         return 0;
 794     BIO_indent(bio, indent, 80);
 795     BIO_printf(bio, "compression_methods (len=%d)\n", (int)len);
 796     while (len > 0) {
 797         BIO_indent(bio, indent + 2, 80);
 798         BIO_printf(bio, "%s (0x%02X)\n",
 799                    ssl_trace_str(msg[0], ssl_comp_tbl), msg[0]);
 800         msg++;
 801         msglen--;
 802         len--;
 803     }
 804     if (!ssl_print_extensions(bio, indent, 0, msg, msglen))
 805         return 0;
 806     return 1;
 807 }
 808
 809 static int dtls_print_hello_vfyrequest(BIO *bio, int indent,
 810                                        const unsigned char *msg, size_t msglen)
 811 {
 812     if (!ssl_print_version(bio, indent, "server_version", &msg, &msglen))
 813         return 0;
 814     if (!ssl_print_hexbuf(bio, indent, "cookie", 1, &msg, &msglen))
 815         return 0;
 816     return 1;
 817 }
 818
 819 static int ssl_print_server_hello(BIO *bio, int indent,
 820                                   const unsigned char *msg, size_t msglen)
 821 {
 822     unsigned int cs;
 823     if (!ssl_print_version(bio, indent, "server_version", &msg, &msglen))
 824         return 0;
 825     if (!ssl_print_random(bio, indent, &msg, &msglen))
 826         return 0;
 827     if (!ssl_print_hexbuf(bio, indent, "session_id", 1, &msg, &msglen))
 828         return 0;
 829     if (msglen < 2)
 830         return 0;
 831     cs = (msg[0] << 8) | msg[1];
 832     BIO_indent(bio, indent, 80);
 833     BIO_printf(bio, "cipher_suite {0x%02X, 0x%02X} %s\n",
 834                msg[0], msg[1], ssl_trace_str(cs, ssl_ciphers_tbl));
 835     msg += 2;
 836     msglen -= 2;
 837     if (msglen < 1)
 838         return 0;
 839     BIO_indent(bio, indent, 80);
 840     BIO_printf(bio, "compression_method: %s (0x%02X)\n",
 841                ssl_trace_str(msg[0], ssl_comp_tbl), msg[0]);
 842     msg++;
 843     msglen--;
 844     if (!ssl_print_extensions(bio, indent, 1, msg, msglen))
 845         return 0;
 846     return 1;
 847 }
 848
 849 static int ssl_get_keyex(const char **pname, SSL *ssl)
 850 {
 851     unsigned long alg_k = ssl->s3->tmp.new_cipher->algorithm_mkey;
 852     if (alg_k & SSL_kRSA) {
 853         *pname = "rsa";
 854         return SSL_kRSA;
 855     }
 856     if (alg_k & SSL_kDHE) {
 857         *pname = "DHE";
 858         return SSL_kDHE;
 859     }
 860     if (alg_k & SSL_kECDHE) {
 861         *pname = "ECDHE";
 862         return SSL_kECDHE;
 863     }
 864     if (alg_k & SSL_kPSK) {
 865         *pname = "PSK";
 866         return SSL_kPSK;
 867     }
 868     if (alg_k & SSL_kRSAPSK) {
 869         *pname = "RSAPSK";
 870         return SSL_kRSAPSK;
 871     }
 872     if (alg_k & SSL_kDHEPSK) {
 873         *pname = "DHEPSK";
 874         return SSL_kDHEPSK;
 875     }
 876     if (alg_k & SSL_kECDHEPSK) {
 877         *pname = "ECDHEPSK";
 878         return SSL_kECDHEPSK;
 879     }
 880     if (alg_k & SSL_kSRP) {
 881         *pname = "SRP";
 882         return SSL_kSRP;
 883     }
 884     if (alg_k & SSL_kGOST) {
 885         *pname = "GOST";
 886         return SSL_kGOST;
 887     }
 888     *pname = "UNKNOWN";
 889     return 0;
 890 }
 891
 892 static int ssl_print_client_keyex(BIO *bio, int indent, SSL *ssl,
 893                                   const unsigned char *msg, size_t msglen)
 894 {
 895     const char *algname;
 896     int id;
 897     id = ssl_get_keyex(&algname, ssl);
 898     BIO_indent(bio, indent, 80);
 899     BIO_printf(bio, "KeyExchangeAlgorithm=%s\n", algname);
 900     if (id & SSL_PSK) {
 901         if (!ssl_print_hexbuf(bio, indent + 2,
 902                               "psk_identity", 2, &msg, &msglen))
 903             return 0;
 904     }
 905     switch (id) {
 906
 907     case SSL_kRSA:
 908     case SSL_kRSAPSK:
 909         if (TLS1_get_version(ssl) == SSL3_VERSION) {
 910             ssl_print_hex(bio, indent + 2,
 911                           "EncyptedPreMasterSecret", msg, msglen);
 912         } else {
 913             if (!ssl_print_hexbuf(bio, indent + 2,
 914                                   "EncyptedPreMasterSecret", 2, &msg, &msglen))
 915                 return 0;
 916         }
 917         break;
 918
 919     case SSL_kDHE:
 920     case SSL_kDHEPSK:
 921         if (!ssl_print_hexbuf(bio, indent + 2, "dh_Yc", 2, &msg, &msglen))
 922             return 0;
 923         break;
 924
 925     case SSL_kECDHE:
 926     case SSL_kECDHEPSK:
 927         if (!ssl_print_hexbuf(bio, indent + 2, "ecdh_Yc", 1, &msg, &msglen))
 928             return 0;
 929         break;
 930
 931     }
 932
 933     return !msglen;
 934 }
 935
 936 static int ssl_print_server_keyex(BIO *bio, int indent, SSL *ssl,
 937                                   const unsigned char *msg, size_t msglen)
 938 {
 939     const char *algname;
 940     int id;
 941     id = ssl_get_keyex(&algname, ssl);
 942     BIO_indent(bio, indent, 80);
 943     BIO_printf(bio, "KeyExchangeAlgorithm=%s\n", algname);
 944     if (id & SSL_PSK) {
 945         if (!ssl_print_hexbuf(bio, indent + 2,
 946                               "psk_identity_hint", 2, &msg, &msglen))
 947             return 0;
 948     }
 949     switch (id) {
 950     case SSL_kRSA:
 951
 952         if (!ssl_print_hexbuf(bio, indent + 2, "rsa_modulus", 2, &msg, &msglen))
 953             return 0;
 954         if (!ssl_print_hexbuf(bio, indent + 2, "rsa_exponent", 2,
 955                               &msg, &msglen))
 956             return 0;
 957         break;
 958
 959     case SSL_kDHE:
 960     case SSL_kDHEPSK:
 961         if (!ssl_print_hexbuf(bio, indent + 2, "dh_p", 2, &msg, &msglen))
 962             return 0;
 963         if (!ssl_print_hexbuf(bio, indent + 2, "dh_g", 2, &msg, &msglen))
 964             return 0;
 965         if (!ssl_print_hexbuf(bio, indent + 2, "dh_Ys", 2, &msg, &msglen))
 966             return 0;
 967         break;
 968
 969 # ifndef OPENSSL_NO_EC
 970     case SSL_kECDHE:
 971     case SSL_kECDHEPSK:
 972         if (msglen < 1)
 973             return 0;
 974         BIO_indent(bio, indent + 2, 80);
 975         if (msg[0] == EXPLICIT_PRIME_CURVE_TYPE)
 976             BIO_puts(bio, "explicit_prime\n");
 977         else if (msg[0] == EXPLICIT_CHAR2_CURVE_TYPE)
 978             BIO_puts(bio, "explicit_char2\n");
 979         else if (msg[0] == NAMED_CURVE_TYPE) {
 980             int curve;
 981             if (msglen < 3)
 982                 return 0;
 983             curve = (msg[1] << 8) | msg[2];
 984             BIO_printf(bio, "named_curve: %s (%d)\n",
 985                        ssl_trace_str(curve, ssl_curve_tbl), curve);
 986             msg += 3;
 987             msglen -= 3;
 988             if (!ssl_print_hexbuf(bio, indent + 2, "point", 1, &msg, &msglen))
 989                 return 0;
 990         } else {
 991             BIO_printf(bio, "UNKNOWN CURVE PARAMETER TYPE %d\n", msg[0]);
 992             return 0;
 993         }
 994         break;
 995 # endif
 996
 997     case SSL_kPSK:
 998     case SSL_kRSAPSK:
 999         break;
1000     }
1001     if (!(id & SSL_PSK))
1002         ssl_print_signature(bio, indent, ssl, &msg, &msglen);
1003     return !msglen;
1004 }
1005
1006 static int ssl_print_certificate(BIO *bio, int indent,
1007                                  const unsigned char **pmsg, size_t *pmsglen)
1008 {
1009     size_t msglen = *pmsglen;
1010     size_t clen;
1011     X509 *x;
1012     const unsigned char *p = *pmsg, *q;
1013     if (msglen < 3)
1014         return 0;
1015     clen = (p[0] << 16) | (p[1] << 8) | p[2];
1016     if (msglen < clen + 3)
1017         return 0;
1018     q = p + 3;
1019     BIO_indent(bio, indent, 80);
1020     BIO_printf(bio, "ASN.1Cert, length=%d", (int)clen);
1021     x = d2i_X509(NULL, &q, clen);
1022     if (!x)
1023         BIO_puts(bio, "<UNPARSEABLE CERTIFICATE>\n");
1024     else {
1025         BIO_puts(bio, "\n------details-----\n");
1026         X509_print_ex(bio, x, XN_FLAG_ONELINE, 0);
1027         PEM_write_bio_X509(bio, x);
1028         /* Print certificate stuff */
1029         BIO_puts(bio, "------------------\n");
1030         X509_free(x);
1031     }
1032     if (q != p + 3 + clen) {
1033         BIO_puts(bio, "<TRAILING GARBAGE AFTER CERTIFICATE>\n");
1034     }
1035     *pmsg += clen + 3;
1036     *pmsglen -= clen + 3;
1037     return 1;
1038 }
1039
1040 static int ssl_print_certificates(BIO *bio, int indent,
1041                                   const unsigned char *msg, size_t msglen)
1042 {
1043     size_t clen;
1044     if (msglen < 3)
1045         return 0;
1046     clen = (msg[0] << 16) | (msg[1] << 8) | msg[2];
1047     if (msglen != clen + 3)
1048         return 0;
1049     msg += 3;
1050     BIO_indent(bio, indent, 80);
1051     BIO_printf(bio, "certificate_list, length=%d\n", (int)clen);
1052     while (clen > 0) {
1053         if (!ssl_print_certificate(bio, indent + 2, &msg, &clen))
1054             return 0;
1055     }
1056     return 1;
1057 }
1058
1059 static int ssl_print_cert_request(BIO *bio, int indent, SSL *s,
1060                                   const unsigned char *msg, size_t msglen)
1061 {
1062     size_t xlen;
1063     if (msglen < 1)
1064         return 0;
1065     xlen = msg[0];
1066     if (msglen < xlen + 1)
1067         return 0;
1068     msg++;
1069     BIO_indent(bio, indent, 80);
1070     BIO_printf(bio, "certificate_types (len=%d)\n", (int)xlen);
1071     if (!ssl_trace_list(bio, indent + 2, msg, xlen, 1, ssl_ctype_tbl))
1072         return 0;
1073     msg += xlen;
1074     msglen -= xlen + 1;
1075     if (!SSL_USE_SIGALGS(s))
1076         goto skip_sig;
1077     if (msglen < 2)
1078         return 0;
1079     xlen = (msg[0] << 8) | msg[1];
1080     if (msglen < xlen + 2 || (xlen & 1))
1081         return 0;
1082     msg += 2;
1083     BIO_indent(bio, indent, 80);
1084     BIO_printf(bio, "signature_algorithms (len=%d)\n", (int)xlen);
1085     while (xlen > 0) {
1086         BIO_indent(bio, indent + 2, 80);
1087         BIO_printf(bio, "%s+%s (%d+%d)\n",
1088                    ssl_trace_str(msg[0], ssl_md_tbl),
1089                    ssl_trace_str(msg[1], ssl_sig_tbl), msg[0], msg[1]);
1090         xlen -= 2;
1091         msg += 2;
1092     }
1093     msg += xlen;
1094     msglen -= xlen + 2;
1095
1096  skip_sig:
1097     if (msglen < 2)
1098         return 0;
1099     xlen = (msg[0] << 8) | msg[1];
1100     BIO_indent(bio, indent, 80);
1101     if (msglen < xlen + 2)
1102         return 0;
1103     msg += 2;
1104     msglen -= 2;
1105     BIO_printf(bio, "certificate_authorities (len=%d)\n", (int)xlen);
1106     while (xlen > 0) {
1107         size_t dlen;
1108         X509_NAME *nm;
1109         const unsigned char *p;
1110         if (xlen < 2)
1111             return 0;
1112         dlen = (msg[0] << 8) | msg[1];
1113         if (xlen < dlen + 2)
1114             return 0;
1115         msg += 2;
1116         BIO_indent(bio, indent + 2, 80);
1117         BIO_printf(bio, "DistinguishedName (len=%d): ", (int)dlen);
1118         p = msg;
1119         nm = d2i_X509_NAME(NULL, &p, dlen);
1120         if (!nm) {
1121             BIO_puts(bio, "<UNPARSEABLE DN>\n");
1122         } else {
1123             X509_NAME_print_ex(bio, nm, 0, XN_FLAG_ONELINE);
1124             BIO_puts(bio, "\n");
1125             X509_NAME_free(nm);
1126         }
1127         xlen -= dlen + 2;
1128         msg += dlen;
1129     }
1130     return 1;
1131 }
1132
1133 static int ssl_print_ticket(BIO *bio, int indent,
1134                             const unsigned char *msg, size_t msglen)
1135 {
1136     unsigned int tick_life;
1137     if (msglen == 0) {
1138         BIO_indent(bio, indent + 2, 80);
1139         BIO_puts(bio, "No Ticket\n");
1140         return 1;
1141     }
1142     if (msglen < 4)
1143         return 0;
1144     tick_life = (msg[0] << 24) | (msg[1] << 16) | (msg[2] << 8) | msg[3];
1145     msglen -= 4;
1146     msg += 4;
1147     BIO_indent(bio, indent + 2, 80);
1148     BIO_printf(bio, "ticket_lifetime_hint=%u\n", tick_life);
1149     if (!ssl_print_hexbuf(bio, indent + 2, "ticket", 2, &msg, &msglen))
1150         return 0;
1151     if (msglen)
1152         return 0;
1153     return 1;
1154 }
1155
1156 static int ssl_print_handshake(BIO *bio, SSL *ssl,
1157                                const unsigned char *msg, size_t msglen,
1158                                int indent)
1159 {
1160     size_t hlen;
1161     unsigned char htype;
1162     if (msglen < 4)
1163         return 0;
1164     htype = msg[0];
1165     hlen = (msg[1] << 16) | (msg[2] << 8) | msg[3];
1166     BIO_indent(bio, indent, 80);
1167     BIO_printf(bio, "%s, Length=%d\n",
1168                ssl_trace_str(htype, ssl_handshake_tbl), (int)hlen);
1169     msg += 4;
1170     msglen -= 4;
1171     if (SSL_IS_DTLS(ssl)) {
1172         if (msglen < 8)
1173             return 0;
1174         BIO_indent(bio, indent, 80);
1175         BIO_printf(bio, "message_seq=%d, fragment_offset=%d, "
1176                    "fragment_length=%d\n",
1177                    (msg[0] << 8) | msg[1],
1178                    (msg[2] << 16) | (msg[3] << 8) | msg[4],
1179                    (msg[5] << 16) | (msg[6] << 8) | msg[7]);
1180         msg += 8;
1181         msglen -= 8;
1182     }
1183     if (msglen < hlen)
1184         return 0;
1185     switch (htype) {
1186     case SSL3_MT_CLIENT_HELLO:
1187         if (!ssl_print_client_hello(bio, ssl, indent + 2, msg, msglen))
1188             return 0;
1189         break;
1190
1191     case DTLS1_MT_HELLO_VERIFY_REQUEST:
1192         if (!dtls_print_hello_vfyrequest(bio, indent + 2, msg, msglen))
1193             return 0;
1194         break;
1195
1196     case SSL3_MT_SERVER_HELLO:
1197         if (!ssl_print_server_hello(bio, indent + 2, msg, msglen))
1198             return 0;
1199         break;
1200
1201     case SSL3_MT_SERVER_KEY_EXCHANGE:
1202         if (!ssl_print_server_keyex(bio, indent + 2, ssl, msg, msglen))
1203             return 0;
1204         break;
1205
1206     case SSL3_MT_CLIENT_KEY_EXCHANGE:
1207         if (!ssl_print_client_keyex(bio, indent + 2, ssl, msg, msglen))
1208             return 0;
1209         break;
1210
1211     case SSL3_MT_CERTIFICATE:
1212         if (!ssl_print_certificates(bio, indent + 2, msg, msglen))
1213             return 0;
1214         break;
1215
1216     case SSL3_MT_CERTIFICATE_VERIFY:
1217         if (!ssl_print_signature(bio, indent + 2, ssl, &msg, &msglen))
1218             return 0;
1219         break;
1220
1221     case SSL3_MT_CERTIFICATE_REQUEST:
1222         if (!ssl_print_cert_request(bio, indent + 2, ssl, msg, msglen))
1223             return 0;
1224         break;
1225
1226     case SSL3_MT_FINISHED:
1227         ssl_print_hex(bio, indent + 2, "verify_data", msg, msglen);
1228         break;
1229
1230     case SSL3_MT_SERVER_DONE:
1231         if (msglen != 0)
1232             ssl_print_hex(bio, indent + 2, "unexpected value", msg, msglen);
1233         break;
1234
1235     case SSL3_MT_NEWSESSION_TICKET:
1236         if (!ssl_print_ticket(bio, indent + 2, msg, msglen))
1237             return 0;
1238         break;
1239
1240     default:
1241         BIO_indent(bio, indent + 2, 80);
1242         BIO_puts(bio, "Unsupported, hex dump follows:\n");
1243         BIO_dump_indent(bio, (const char *)msg, msglen, indent + 4);
1244     }
1245     return 1;
1246 }
1247
1248 static int ssl_print_heartbeat(BIO *bio, int indent,
1249                                const unsigned char *msg, size_t msglen)
1250 {
1251     if (msglen < 3)
1252         return 0;
1253     BIO_indent(bio, indent, 80);
1254     BIO_printf(bio, "HeartBeatMessageType: %s\n",
1255                ssl_trace_str(msg[0], ssl_hb_type_tbl));
1256     msg++;
1257     msglen--;
1258     if (!ssl_print_hexbuf(bio, indent, "payload", 2, &msg, &msglen))
1259         return 0;
1260     ssl_print_hex(bio, indent, "padding", msg, msglen);
1261     return 1;
1262 }
1263
1264 const char *SSL_CIPHER_standard_name(const SSL_CIPHER *c)
1265 {
1266     return ssl_trace_str(c->id & 0xFFFF, ssl_ciphers_tbl);
1267 }
1268
1269 void SSL_trace(int write_p, int version, int content_type,
1270                const void *buf, size_t msglen, SSL *ssl, void *arg)
1271 {
1272     const unsigned char *msg = buf;
1273     BIO *bio = arg;
1274
1275     switch (content_type) {
1276     case SSL3_RT_HEADER:
1277         {
1278             int hvers;
1279
1280             /* avoid overlapping with length at the end of buffer */
1281             if (msglen < (SSL_IS_DTLS(ssl) ? 13 : 5)) {
1282                     BIO_puts(bio, write_p ? "Sent" : "Received");
1283                     ssl_print_hex(bio, 0, " too short message", msg, msglen);
1284                     break;
1285                 }
1286             hvers = msg[1] << 8 | msg[2];
1287             BIO_puts(bio, write_p ? "Sent" : "Received");
1288             BIO_printf(bio, " Record\nHeader:\n  Version = %s (0x%x)\n",
1289                        ssl_trace_str(hvers, ssl_version_tbl), hvers);
1290             if (SSL_IS_DTLS(ssl)) {
1291                 BIO_printf(bio,
1292                            "  epoch=%d, sequence_number=%04x%04x%04x\n",
1293                            (msg[3] << 8 | msg[4]),
1294                            (msg[5] << 8 | msg[6]),
1295                            (msg[7] << 8 | msg[8]), (msg[9] << 8 | msg[10]));
1296             }
1297
1298             BIO_printf(bio, "  Content Type = %s (%d)\n  Length = %d",
1299                        ssl_trace_str(msg[0], ssl_content_tbl), msg[0],
1300                        msg[msglen - 2] << 8 | msg[msglen - 1]);
1301         }
1302         break;
1303     case SSL3_RT_HANDSHAKE:
1304         if (!ssl_print_handshake(bio, ssl, msg, msglen, 4))
1305             BIO_printf(bio, "Message length parse error!\n");
1306         break;
1307
1308     case SSL3_RT_CHANGE_CIPHER_SPEC:
1309         if (msglen == 1 && msg[0] == 1)
1310             BIO_puts(bio, "    change_cipher_spec (1)\n");
1311         else
1312             ssl_print_hex(bio, 4, "unknown value", msg, msglen);
1313         break;
1314
1315     case SSL3_RT_ALERT:
1316         if (msglen != 2) {
1317             BIO_puts(bio, "    Illegal Alert Length\n");
1318         } else {
1319             BIO_printf(bio, "    Level=%s(%d), description=%s(%d)\n",
1320                        SSL_alert_type_string_long(msg[0] << 8),
1321                        msg[0], SSL_alert_desc_string_long(msg[1]), msg[1]);
1322         }
1323         break;
1324
1325     case DTLS1_RT_HEARTBEAT:
1326         ssl_print_heartbeat(bio, 4, msg, msglen);
1327         break;
1328
1329     }
1330
1331     BIO_puts(bio, "\n");
1332 }
1333
1334 #endif