ssl/t1_trce.c

   1 /*
   2  * Copyright 2012-2016 The OpenSSL Project Authors. All Rights Reserved.
   3  *
   4  * Licensed under the OpenSSL license (the "License").  You may not use
   5  * this file except in compliance with the License.  You can obtain a copy
   6  * in the file LICENSE in the source distribution or at
   7  * https://www.openssl.org/source/license.html
   8  */
   9
  10 #include "ssl_locl.h"
  11
  12 #ifndef OPENSSL_NO_SSL_TRACE
  13
  14 /* Packet trace support for OpenSSL */
  15
  16 typedef struct {
  17     int num;
  18     const char *name;
  19 } ssl_trace_tbl;
  20
  21 # define ssl_trace_str(val, tbl) \
  22         do_ssl_trace_str(val, tbl, OSSL_NELEM(tbl))
  23
  24 # define ssl_trace_list(bio, indent, msg, msglen, value, table) \
  25         do_ssl_trace_list(bio, indent, msg, msglen, value, \
  26          table, OSSL_NELEM(table))
  27
  28 static const char *do_ssl_trace_str(int val, ssl_trace_tbl *tbl, size_t ntbl)
  29 {
  30     size_t i;
  31     for (i = 0; i < ntbl; i++, tbl++) {
  32         if (tbl->num == val)
  33             return tbl->name;
  34     }
  35     return "UNKNOWN";
  36 }
  37
  38 static int do_ssl_trace_list(BIO *bio, int indent,
  39                              const unsigned char *msg, size_t msglen,
  40                              size_t vlen, ssl_trace_tbl *tbl, size_t ntbl)
  41 {
  42     int val;
  43     if (msglen % vlen)
  44         return 0;
  45     while (msglen) {
  46         val = msg[0];
  47         if (vlen == 2)
  48             val = (val << 8) | msg[1];
  49         BIO_indent(bio, indent, 80);
  50         BIO_printf(bio, "%s (%d)\n", do_ssl_trace_str(val, tbl, ntbl), val);
  51         msg += vlen;
  52         msglen -= vlen;
  53     }
  54     return 1;
  55 }
  56
  57 /* Version number */
  58
  59 static ssl_trace_tbl ssl_version_tbl[] = {
  60     {SSL3_VERSION, "SSL 3.0"},
  61     {TLS1_VERSION, "TLS 1.0"},
  62     {TLS1_1_VERSION, "TLS 1.1"},
  63     {TLS1_2_VERSION, "TLS 1.2"},
  64     {TLS1_3_VERSION, "TLS 1.3"},
  65     /* TODO(TLS1.3): Remove this line before release */
  66     {TLS1_3_VERSION_DRAFT, TLS1_3_VERSION_DRAFT_TXT},
  67     {DTLS1_VERSION, "DTLS 1.0"},
  68     {DTLS1_2_VERSION, "DTLS 1.2"},
  69     {DTLS1_BAD_VER, "DTLS 1.0 (bad)"}
  70 };
  71
  72 static ssl_trace_tbl ssl_content_tbl[] = {
  73     {SSL3_RT_CHANGE_CIPHER_SPEC, "ChangeCipherSpec"},
  74     {SSL3_RT_ALERT, "Alert"},
  75     {SSL3_RT_HANDSHAKE, "Handshake"},
  76     {SSL3_RT_APPLICATION_DATA, "ApplicationData"},
  77     {DTLS1_RT_HEARTBEAT, "HeartBeat"}
  78 };
  79
  80 /* Handshake types */
  81 static 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_CERTIFICATE, "Certificate"},
  88     {SSL3_MT_SERVER_KEY_EXCHANGE, "ServerKeyExchange"},
  89     {SSL3_MT_CERTIFICATE_REQUEST, "CertificateRequest"},
  90     {SSL3_MT_CLIENT_KEY_EXCHANGE, "ClientKeyExchange"},
  91     {SSL3_MT_CERTIFICATE_STATUS, "CertificateStatus"},
  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_STATUS, "CertificateStatus"}
  97 };
  98
  99 /* Cipher suites */
 100 static ssl_trace_tbl ssl_ciphers_tbl[] = {
 101     {0x0000, "SSL_NULL_WITH_NULL_NULL"},
 102     {0x0001, "SSL_RSA_WITH_NULL_MD5"},
 103     {0x0002, "SSL_RSA_WITH_NULL_SHA"},
 104     {0x0003, "SSL_RSA_EXPORT_WITH_RC4_40_MD5"},
 105     {0x0004, "SSL_RSA_WITH_RC4_128_MD5"},
 106     {0x0005, "SSL_RSA_WITH_RC4_128_SHA"},
 107     {0x0006, "SSL_RSA_EXPORT_WITH_RC2_CBC_40_MD5"},
 108     {0x0007, "SSL_RSA_WITH_IDEA_CBC_SHA"},
 109     {0x0008, "SSL_RSA_EXPORT_WITH_DES40_CBC_SHA"},
 110     {0x0009, "SSL_RSA_WITH_DES_CBC_SHA"},
 111     {0x000A, "SSL_RSA_WITH_3DES_EDE_CBC_SHA"},
 112     {0x000B, "SSL_DH_DSS_EXPORT_WITH_DES40_CBC_SHA"},
 113     {0x000C, "SSL_DH_DSS_WITH_DES_CBC_SHA"},
 114     {0x000D, "SSL_DH_DSS_WITH_3DES_EDE_CBC_SHA"},
 115     {0x000E, "SSL_DH_RSA_EXPORT_WITH_DES40_CBC_SHA"},
 116     {0x000F, "SSL_DH_RSA_WITH_DES_CBC_SHA"},
 117     {0x0010, "SSL_DH_RSA_WITH_3DES_EDE_CBC_SHA"},
 118     {0x0011, "SSL_DHE_DSS_EXPORT_WITH_DES40_CBC_SHA"},
 119     {0x0012, "SSL_DHE_DSS_WITH_DES_CBC_SHA"},
 120     {0x0013, "SSL_DHE_DSS_WITH_3DES_EDE_CBC_SHA"},
 121     {0x0014, "SSL_DHE_RSA_EXPORT_WITH_DES40_CBC_SHA"},
 122     {0x0015, "SSL_DHE_RSA_WITH_DES_CBC_SHA"},
 123     {0x0016, "SSL_DHE_RSA_WITH_3DES_EDE_CBC_SHA"},
 124     {0x0017, "SSL_DH_anon_EXPORT_WITH_RC4_40_MD5"},
 125     {0x0018, "SSL_DH_anon_WITH_RC4_128_MD5"},
 126     {0x0019, "SSL_DH_anon_EXPORT_WITH_DES40_CBC_SHA"},
 127     {0x001A, "SSL_DH_anon_WITH_DES_CBC_SHA"},
 128     {0x001B, "SSL_DH_anon_WITH_3DES_EDE_CBC_SHA"},
 129     {0x001D, "SSL_FORTEZZA_KEA_WITH_FORTEZZA_CBC_SHA"},
 130     {0x001E, "SSL_FORTEZZA_KEA_WITH_RC4_128_SHA"},
 131     {0x001F, "TLS_KRB5_WITH_3DES_EDE_CBC_SHA"},
 132     {0x0020, "TLS_KRB5_WITH_RC4_128_SHA"},
 133     {0x0021, "TLS_KRB5_WITH_IDEA_CBC_SHA"},
 134     {0x0022, "TLS_KRB5_WITH_DES_CBC_MD5"},
 135     {0x0023, "TLS_KRB5_WITH_3DES_EDE_CBC_MD5"},
 136     {0x0024, "TLS_KRB5_WITH_RC4_128_MD5"},
 137     {0x0025, "TLS_KRB5_WITH_IDEA_CBC_MD5"},
 138     {0x0026, "TLS_KRB5_EXPORT_WITH_DES_CBC_40_SHA"},
 139     {0x0027, "TLS_KRB5_EXPORT_WITH_RC2_CBC_40_SHA"},
 140     {0x0028, "TLS_KRB5_EXPORT_WITH_RC4_40_SHA"},
 141     {0x0029, "TLS_KRB5_EXPORT_WITH_DES_CBC_40_MD5"},
 142     {0x002A, "TLS_KRB5_EXPORT_WITH_RC2_CBC_40_MD5"},
 143     {0x002B, "TLS_KRB5_EXPORT_WITH_RC4_40_MD5"},
 144     {0x002C, "TLS_PSK_WITH_NULL_SHA"},
 145     {0x002D, "TLS_DHE_PSK_WITH_NULL_SHA"},
 146     {0x002E, "TLS_RSA_PSK_WITH_NULL_SHA"},
 147     {0x002F, "TLS_RSA_WITH_AES_128_CBC_SHA"},
 148     {0x0030, "TLS_DH_DSS_WITH_AES_128_CBC_SHA"},
 149     {0x0031, "TLS_DH_RSA_WITH_AES_128_CBC_SHA"},
 150     {0x0032, "TLS_DHE_DSS_WITH_AES_128_CBC_SHA"},
 151     {0x0033, "TLS_DHE_RSA_WITH_AES_128_CBC_SHA"},
 152     {0x0034, "TLS_DH_anon_WITH_AES_128_CBC_SHA"},
 153     {0x0035, "TLS_RSA_WITH_AES_256_CBC_SHA"},
 154     {0x0036, "TLS_DH_DSS_WITH_AES_256_CBC_SHA"},
 155     {0x0037, "TLS_DH_RSA_WITH_AES_256_CBC_SHA"},
 156     {0x0038, "TLS_DHE_DSS_WITH_AES_256_CBC_SHA"},
 157     {0x0039, "TLS_DHE_RSA_WITH_AES_256_CBC_SHA"},
 158     {0x003A, "TLS_DH_anon_WITH_AES_256_CBC_SHA"},
 159     {0x003B, "TLS_RSA_WITH_NULL_SHA256"},
 160     {0x003C, "TLS_RSA_WITH_AES_128_CBC_SHA256"},
 161     {0x003D, "TLS_RSA_WITH_AES_256_CBC_SHA256"},
 162     {0x003E, "TLS_DH_DSS_WITH_AES_128_CBC_SHA256"},
 163     {0x003F, "TLS_DH_RSA_WITH_AES_128_CBC_SHA256"},
 164     {0x0040, "TLS_DHE_DSS_WITH_AES_128_CBC_SHA256"},
 165     {0x0041, "TLS_RSA_WITH_CAMELLIA_128_CBC_SHA"},
 166     {0x0042, "TLS_DH_DSS_WITH_CAMELLIA_128_CBC_SHA"},
 167     {0x0043, "TLS_DH_RSA_WITH_CAMELLIA_128_CBC_SHA"},
 168     {0x0044, "TLS_DHE_DSS_WITH_CAMELLIA_128_CBC_SHA"},
 169     {0x0045, "TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA"},
 170     {0x0046, "TLS_DH_anon_WITH_CAMELLIA_128_CBC_SHA"},
 171     {0x0067, "TLS_DHE_RSA_WITH_AES_128_CBC_SHA256"},
 172     {0x0068, "TLS_DH_DSS_WITH_AES_256_CBC_SHA256"},
 173     {0x0069, "TLS_DH_RSA_WITH_AES_256_CBC_SHA256"},
 174     {0x006A, "TLS_DHE_DSS_WITH_AES_256_CBC_SHA256"},
 175     {0x006B, "TLS_DHE_RSA_WITH_AES_256_CBC_SHA256"},
 176     {0x006C, "TLS_DH_anon_WITH_AES_128_CBC_SHA256"},
 177     {0x006D, "TLS_DH_anon_WITH_AES_256_CBC_SHA256"},
 178     {0x0084, "TLS_RSA_WITH_CAMELLIA_256_CBC_SHA"},
 179     {0x0085, "TLS_DH_DSS_WITH_CAMELLIA_256_CBC_SHA"},
 180     {0x0086, "TLS_DH_RSA_WITH_CAMELLIA_256_CBC_SHA"},
 181     {0x0087, "TLS_DHE_DSS_WITH_CAMELLIA_256_CBC_SHA"},
 182     {0x0088, "TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA"},
 183     {0x0089, "TLS_DH_anon_WITH_CAMELLIA_256_CBC_SHA"},
 184     {0x008A, "TLS_PSK_WITH_RC4_128_SHA"},
 185     {0x008B, "TLS_PSK_WITH_3DES_EDE_CBC_SHA"},
 186     {0x008C, "TLS_PSK_WITH_AES_128_CBC_SHA"},
 187     {0x008D, "TLS_PSK_WITH_AES_256_CBC_SHA"},
 188     {0x008E, "TLS_DHE_PSK_WITH_RC4_128_SHA"},
 189     {0x008F, "TLS_DHE_PSK_WITH_3DES_EDE_CBC_SHA"},
 190     {0x0090, "TLS_DHE_PSK_WITH_AES_128_CBC_SHA"},
 191     {0x0091, "TLS_DHE_PSK_WITH_AES_256_CBC_SHA"},
 192     {0x0092, "TLS_RSA_PSK_WITH_RC4_128_SHA"},
 193     {0x0093, "TLS_RSA_PSK_WITH_3DES_EDE_CBC_SHA"},
 194     {0x0094, "TLS_RSA_PSK_WITH_AES_128_CBC_SHA"},
 195     {0x0095, "TLS_RSA_PSK_WITH_AES_256_CBC_SHA"},
 196     {0x0096, "TLS_RSA_WITH_SEED_CBC_SHA"},
 197     {0x0097, "TLS_DH_DSS_WITH_SEED_CBC_SHA"},
 198     {0x0098, "TLS_DH_RSA_WITH_SEED_CBC_SHA"},
 199     {0x0099, "TLS_DHE_DSS_WITH_SEED_CBC_SHA"},
 200     {0x009A, "TLS_DHE_RSA_WITH_SEED_CBC_SHA"},
 201     {0x009B, "TLS_DH_anon_WITH_SEED_CBC_SHA"},
 202     {0x009C, "TLS_RSA_WITH_AES_128_GCM_SHA256"},
 203     {0x009D, "TLS_RSA_WITH_AES_256_GCM_SHA384"},
 204     {0x009E, "TLS_DHE_RSA_WITH_AES_128_GCM_SHA256"},
 205     {0x009F, "TLS_DHE_RSA_WITH_AES_256_GCM_SHA384"},
 206     {0x00A0, "TLS_DH_RSA_WITH_AES_128_GCM_SHA256"},
 207     {0x00A1, "TLS_DH_RSA_WITH_AES_256_GCM_SHA384"},
 208     {0x00A2, "TLS_DHE_DSS_WITH_AES_128_GCM_SHA256"},
 209     {0x00A3, "TLS_DHE_DSS_WITH_AES_256_GCM_SHA384"},
 210     {0x00A4, "TLS_DH_DSS_WITH_AES_128_GCM_SHA256"},
 211     {0x00A5, "TLS_DH_DSS_WITH_AES_256_GCM_SHA384"},
 212     {0x00A6, "TLS_DH_anon_WITH_AES_128_GCM_SHA256"},
 213     {0x00A7, "TLS_DH_anon_WITH_AES_256_GCM_SHA384"},
 214     {0x00A8, "TLS_PSK_WITH_AES_128_GCM_SHA256"},
 215     {0x00A9, "TLS_PSK_WITH_AES_256_GCM_SHA384"},
 216     {0x00AA, "TLS_DHE_PSK_WITH_AES_128_GCM_SHA256"},
 217     {0x00AB, "TLS_DHE_PSK_WITH_AES_256_GCM_SHA384"},
 218     {0x00AC, "TLS_RSA_PSK_WITH_AES_128_GCM_SHA256"},
 219     {0x00AD, "TLS_RSA_PSK_WITH_AES_256_GCM_SHA384"},
 220     {0x00AE, "TLS_PSK_WITH_AES_128_CBC_SHA256"},
 221     {0x00AF, "TLS_PSK_WITH_AES_256_CBC_SHA384"},
 222     {0x00B0, "TLS_PSK_WITH_NULL_SHA256"},
 223     {0x00B1, "TLS_PSK_WITH_NULL_SHA384"},
 224     {0x00B2, "TLS_DHE_PSK_WITH_AES_128_CBC_SHA256"},
 225     {0x00B3, "TLS_DHE_PSK_WITH_AES_256_CBC_SHA384"},
 226     {0x00B4, "TLS_DHE_PSK_WITH_NULL_SHA256"},
 227     {0x00B5, "TLS_DHE_PSK_WITH_NULL_SHA384"},
 228     {0x00B6, "TLS_RSA_PSK_WITH_AES_128_CBC_SHA256"},
 229     {0x00B7, "TLS_RSA_PSK_WITH_AES_256_CBC_SHA384"},
 230     {0x00B8, "TLS_RSA_PSK_WITH_NULL_SHA256"},
 231     {0x00B9, "TLS_RSA_PSK_WITH_NULL_SHA384"},
 232     {0x00BA, "TLS_RSA_WITH_CAMELLIA_128_CBC_SHA256"},
 233     {0x00BB, "TLS_DH_DSS_WITH_CAMELLIA_128_CBC_SHA256"},
 234     {0x00BC, "TLS_DH_RSA_WITH_CAMELLIA_128_CBC_SHA256"},
 235     {0x00BD, "TLS_DHE_DSS_WITH_CAMELLIA_128_CBC_SHA256"},
 236     {0x00BE, "TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA256"},
 237     {0x00BF, "TLS_DH_anon_WITH_CAMELLIA_128_CBC_SHA256"},
 238     {0x00C0, "TLS_RSA_WITH_CAMELLIA_256_CBC_SHA256"},
 239     {0x00C1, "TLS_DH_DSS_WITH_CAMELLIA_256_CBC_SHA256"},
 240     {0x00C2, "TLS_DH_RSA_WITH_CAMELLIA_256_CBC_SHA256"},
 241     {0x00C3, "TLS_DHE_DSS_WITH_CAMELLIA_256_CBC_SHA256"},
 242     {0x00C4, "TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA256"},
 243     {0x00C5, "TLS_DH_anon_WITH_CAMELLIA_256_CBC_SHA256"},
 244     {0x00FF, "TLS_EMPTY_RENEGOTIATION_INFO_SCSV"},
 245     {0x5600, "TLS_FALLBACK_SCSV"},
 246     {0xC001, "TLS_ECDH_ECDSA_WITH_NULL_SHA"},
 247     {0xC002, "TLS_ECDH_ECDSA_WITH_RC4_128_SHA"},
 248     {0xC003, "TLS_ECDH_ECDSA_WITH_3DES_EDE_CBC_SHA"},
 249     {0xC004, "TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA"},
 250     {0xC005, "TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA"},
 251     {0xC006, "TLS_ECDHE_ECDSA_WITH_NULL_SHA"},
 252     {0xC007, "TLS_ECDHE_ECDSA_WITH_RC4_128_SHA"},
 253     {0xC008, "TLS_ECDHE_ECDSA_WITH_3DES_EDE_CBC_SHA"},
 254     {0xC009, "TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA"},
 255     {0xC00A, "TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA"},
 256     {0xC00B, "TLS_ECDH_RSA_WITH_NULL_SHA"},
 257     {0xC00C, "TLS_ECDH_RSA_WITH_RC4_128_SHA"},
 258     {0xC00D, "TLS_ECDH_RSA_WITH_3DES_EDE_CBC_SHA"},
 259     {0xC00E, "TLS_ECDH_RSA_WITH_AES_128_CBC_SHA"},
 260     {0xC00F, "TLS_ECDH_RSA_WITH_AES_256_CBC_SHA"},
 261     {0xC010, "TLS_ECDHE_RSA_WITH_NULL_SHA"},
 262     {0xC011, "TLS_ECDHE_RSA_WITH_RC4_128_SHA"},
 263     {0xC012, "TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA"},
 264     {0xC013, "TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA"},
 265     {0xC014, "TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA"},
 266     {0xC015, "TLS_ECDH_anon_WITH_NULL_SHA"},
 267     {0xC016, "TLS_ECDH_anon_WITH_RC4_128_SHA"},
 268     {0xC017, "TLS_ECDH_anon_WITH_3DES_EDE_CBC_SHA"},
 269     {0xC018, "TLS_ECDH_anon_WITH_AES_128_CBC_SHA"},
 270     {0xC019, "TLS_ECDH_anon_WITH_AES_256_CBC_SHA"},
 271     {0xC01A, "TLS_SRP_SHA_WITH_3DES_EDE_CBC_SHA"},
 272     {0xC01B, "TLS_SRP_SHA_RSA_WITH_3DES_EDE_CBC_SHA"},
 273     {0xC01C, "TLS_SRP_SHA_DSS_WITH_3DES_EDE_CBC_SHA"},
 274     {0xC01D, "TLS_SRP_SHA_WITH_AES_128_CBC_SHA"},
 275     {0xC01E, "TLS_SRP_SHA_RSA_WITH_AES_128_CBC_SHA"},
 276     {0xC01F, "TLS_SRP_SHA_DSS_WITH_AES_128_CBC_SHA"},
 277     {0xC020, "TLS_SRP_SHA_WITH_AES_256_CBC_SHA"},
 278     {0xC021, "TLS_SRP_SHA_RSA_WITH_AES_256_CBC_SHA"},
 279     {0xC022, "TLS_SRP_SHA_DSS_WITH_AES_256_CBC_SHA"},
 280     {0xC023, "TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256"},
 281     {0xC024, "TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384"},
 282     {0xC025, "TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA256"},
 283     {0xC026, "TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA384"},
 284     {0xC027, "TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256"},
 285     {0xC028, "TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384"},
 286     {0xC029, "TLS_ECDH_RSA_WITH_AES_128_CBC_SHA256"},
 287     {0xC02A, "TLS_ECDH_RSA_WITH_AES_256_CBC_SHA384"},
 288     {0xC02B, "TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256"},
 289     {0xC02C, "TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384"},
 290     {0xC02D, "TLS_ECDH_ECDSA_WITH_AES_128_GCM_SHA256"},
 291     {0xC02E, "TLS_ECDH_ECDSA_WITH_AES_256_GCM_SHA384"},
 292     {0xC02F, "TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256"},
 293     {0xC030, "TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384"},
 294     {0xC031, "TLS_ECDH_RSA_WITH_AES_128_GCM_SHA256"},
 295     {0xC032, "TLS_ECDH_RSA_WITH_AES_256_GCM_SHA384"},
 296     {0xC033, "TLS_ECDHE_PSK_WITH_RC4_128_SHA"},
 297     {0xC034, "TLS_ECDHE_PSK_WITH_3DES_EDE_CBC_SHA"},
 298     {0xC035, "TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA"},
 299     {0xC036, "TLS_ECDHE_PSK_WITH_AES_256_CBC_SHA"},
 300     {0xC037, "TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA256"},
 301     {0xC038, "TLS_ECDHE_PSK_WITH_AES_256_CBC_SHA384"},
 302     {0xC039, "TLS_ECDHE_PSK_WITH_NULL_SHA"},
 303     {0xC03A, "TLS_ECDHE_PSK_WITH_NULL_SHA256"},
 304     {0xC03B, "TLS_ECDHE_PSK_WITH_NULL_SHA384"},
 305     {0xC03C, "TLS_RSA_WITH_ARIA_128_CBC_SHA256"},
 306     {0xC03D, "TLS_RSA_WITH_ARIA_256_CBC_SHA384"},
 307     {0xC03E, "TLS_DH_DSS_WITH_ARIA_128_CBC_SHA256"},
 308     {0xC03F, "TLS_DH_DSS_WITH_ARIA_256_CBC_SHA384"},
 309     {0xC040, "TLS_DH_RSA_WITH_ARIA_128_CBC_SHA256"},
 310     {0xC041, "TLS_DH_RSA_WITH_ARIA_256_CBC_SHA384"},
 311     {0xC042, "TLS_DHE_DSS_WITH_ARIA_128_CBC_SHA256"},
 312     {0xC043, "TLS_DHE_DSS_WITH_ARIA_256_CBC_SHA384"},
 313     {0xC044, "TLS_DHE_RSA_WITH_ARIA_128_CBC_SHA256"},
 314     {0xC045, "TLS_DHE_RSA_WITH_ARIA_256_CBC_SHA384"},
 315     {0xC046, "TLS_DH_anon_WITH_ARIA_128_CBC_SHA256"},
 316     {0xC047, "TLS_DH_anon_WITH_ARIA_256_CBC_SHA384"},
 317     {0xC048, "TLS_ECDHE_ECDSA_WITH_ARIA_128_CBC_SHA256"},
 318     {0xC049, "TLS_ECDHE_ECDSA_WITH_ARIA_256_CBC_SHA384"},
 319     {0xC04A, "TLS_ECDH_ECDSA_WITH_ARIA_128_CBC_SHA256"},
 320     {0xC04B, "TLS_ECDH_ECDSA_WITH_ARIA_256_CBC_SHA384"},
 321     {0xC04C, "TLS_ECDHE_RSA_WITH_ARIA_128_CBC_SHA256"},
 322     {0xC04D, "TLS_ECDHE_RSA_WITH_ARIA_256_CBC_SHA384"},
 323     {0xC04E, "TLS_ECDH_RSA_WITH_ARIA_128_CBC_SHA256"},
 324     {0xC04F, "TLS_ECDH_RSA_WITH_ARIA_256_CBC_SHA384"},
 325     {0xC050, "TLS_RSA_WITH_ARIA_128_GCM_SHA256"},
 326     {0xC051, "TLS_RSA_WITH_ARIA_256_GCM_SHA384"},
 327     {0xC052, "TLS_DHE_RSA_WITH_ARIA_128_GCM_SHA256"},
 328     {0xC053, "TLS_DHE_RSA_WITH_ARIA_256_GCM_SHA384"},
 329     {0xC054, "TLS_DH_RSA_WITH_ARIA_128_GCM_SHA256"},
 330     {0xC055, "TLS_DH_RSA_WITH_ARIA_256_GCM_SHA384"},
 331     {0xC056, "TLS_DHE_DSS_WITH_ARIA_128_GCM_SHA256"},
 332     {0xC057, "TLS_DHE_DSS_WITH_ARIA_256_GCM_SHA384"},
 333     {0xC058, "TLS_DH_DSS_WITH_ARIA_128_GCM_SHA256"},
 334     {0xC059, "TLS_DH_DSS_WITH_ARIA_256_GCM_SHA384"},
 335     {0xC05A, "TLS_DH_anon_WITH_ARIA_128_GCM_SHA256"},
 336     {0xC05B, "TLS_DH_anon_WITH_ARIA_256_GCM_SHA384"},
 337     {0xC05C, "TLS_ECDHE_ECDSA_WITH_ARIA_128_GCM_SHA256"},
 338     {0xC05D, "TLS_ECDHE_ECDSA_WITH_ARIA_256_GCM_SHA384"},
 339     {0xC05E, "TLS_ECDH_ECDSA_WITH_ARIA_128_GCM_SHA256"},
 340     {0xC05F, "TLS_ECDH_ECDSA_WITH_ARIA_256_GCM_SHA384"},
 341     {0xC060, "TLS_ECDHE_RSA_WITH_ARIA_128_GCM_SHA256"},
 342     {0xC061, "TLS_ECDHE_RSA_WITH_ARIA_256_GCM_SHA384"},
 343     {0xC062, "TLS_ECDH_RSA_WITH_ARIA_128_GCM_SHA256"},
 344     {0xC063, "TLS_ECDH_RSA_WITH_ARIA_256_GCM_SHA384"},
 345     {0xC064, "TLS_PSK_WITH_ARIA_128_CBC_SHA256"},
 346     {0xC065, "TLS_PSK_WITH_ARIA_256_CBC_SHA384"},
 347     {0xC066, "TLS_DHE_PSK_WITH_ARIA_128_CBC_SHA256"},
 348     {0xC067, "TLS_DHE_PSK_WITH_ARIA_256_CBC_SHA384"},
 349     {0xC068, "TLS_RSA_PSK_WITH_ARIA_128_CBC_SHA256"},
 350     {0xC069, "TLS_RSA_PSK_WITH_ARIA_256_CBC_SHA384"},
 351     {0xC06A, "TLS_PSK_WITH_ARIA_128_GCM_SHA256"},
 352     {0xC06B, "TLS_PSK_WITH_ARIA_256_GCM_SHA384"},
 353     {0xC06C, "TLS_DHE_PSK_WITH_ARIA_128_GCM_SHA256"},
 354     {0xC06D, "TLS_DHE_PSK_WITH_ARIA_256_GCM_SHA384"},
 355     {0xC06E, "TLS_RSA_PSK_WITH_ARIA_128_GCM_SHA256"},
 356     {0xC06F, "TLS_RSA_PSK_WITH_ARIA_256_GCM_SHA384"},
 357     {0xC070, "TLS_ECDHE_PSK_WITH_ARIA_128_CBC_SHA256"},
 358     {0xC071, "TLS_ECDHE_PSK_WITH_ARIA_256_CBC_SHA384"},
 359     {0xC072, "TLS_ECDHE_ECDSA_WITH_CAMELLIA_128_CBC_SHA256"},
 360     {0xC073, "TLS_ECDHE_ECDSA_WITH_CAMELLIA_256_CBC_SHA384"},
 361     {0xC074, "TLS_ECDH_ECDSA_WITH_CAMELLIA_128_CBC_SHA256"},
 362     {0xC075, "TLS_ECDH_ECDSA_WITH_CAMELLIA_256_CBC_SHA384"},
 363     {0xC076, "TLS_ECDHE_RSA_WITH_CAMELLIA_128_CBC_SHA256"},
 364     {0xC077, "TLS_ECDHE_RSA_WITH_CAMELLIA_256_CBC_SHA384"},
 365     {0xC078, "TLS_ECDH_RSA_WITH_CAMELLIA_128_CBC_SHA256"},
 366     {0xC079, "TLS_ECDH_RSA_WITH_CAMELLIA_256_CBC_SHA384"},
 367     {0xC07A, "TLS_RSA_WITH_CAMELLIA_128_GCM_SHA256"},
 368     {0xC07B, "TLS_RSA_WITH_CAMELLIA_256_GCM_SHA384"},
 369     {0xC07C, "TLS_DHE_RSA_WITH_CAMELLIA_128_GCM_SHA256"},
 370     {0xC07D, "TLS_DHE_RSA_WITH_CAMELLIA_256_GCM_SHA384"},
 371     {0xC07E, "TLS_DH_RSA_WITH_CAMELLIA_128_GCM_SHA256"},
 372     {0xC07F, "TLS_DH_RSA_WITH_CAMELLIA_256_GCM_SHA384"},
 373     {0xC080, "TLS_DHE_DSS_WITH_CAMELLIA_128_GCM_SHA256"},
 374     {0xC081, "TLS_DHE_DSS_WITH_CAMELLIA_256_GCM_SHA384"},
 375     {0xC082, "TLS_DH_DSS_WITH_CAMELLIA_128_GCM_SHA256"},
 376     {0xC083, "TLS_DH_DSS_WITH_CAMELLIA_256_GCM_SHA384"},
 377     {0xC084, "TLS_DH_anon_WITH_CAMELLIA_128_GCM_SHA256"},
 378     {0xC085, "TLS_DH_anon_WITH_CAMELLIA_256_GCM_SHA384"},
 379     {0xC086, "TLS_ECDHE_ECDSA_WITH_CAMELLIA_128_GCM_SHA256"},
 380     {0xC087, "TLS_ECDHE_ECDSA_WITH_CAMELLIA_256_GCM_SHA384"},
 381     {0xC088, "TLS_ECDH_ECDSA_WITH_CAMELLIA_128_GCM_SHA256"},
 382     {0xC089, "TLS_ECDH_ECDSA_WITH_CAMELLIA_256_GCM_SHA384"},
 383     {0xC08A, "TLS_ECDHE_RSA_WITH_CAMELLIA_128_GCM_SHA256"},
 384     {0xC08B, "TLS_ECDHE_RSA_WITH_CAMELLIA_256_GCM_SHA384"},
 385     {0xC08C, "TLS_ECDH_RSA_WITH_CAMELLIA_128_GCM_SHA256"},
 386     {0xC08D, "TLS_ECDH_RSA_WITH_CAMELLIA_256_GCM_SHA384"},
 387     {0xC08E, "TLS_PSK_WITH_CAMELLIA_128_GCM_SHA256"},
 388     {0xC08F, "TLS_PSK_WITH_CAMELLIA_256_GCM_SHA384"},
 389     {0xC090, "TLS_DHE_PSK_WITH_CAMELLIA_128_GCM_SHA256"},
 390     {0xC091, "TLS_DHE_PSK_WITH_CAMELLIA_256_GCM_SHA384"},
 391     {0xC092, "TLS_RSA_PSK_WITH_CAMELLIA_128_GCM_SHA256"},
 392     {0xC093, "TLS_RSA_PSK_WITH_CAMELLIA_256_GCM_SHA384"},
 393     {0xC094, "TLS_PSK_WITH_CAMELLIA_128_CBC_SHA256"},
 394     {0xC095, "TLS_PSK_WITH_CAMELLIA_256_CBC_SHA384"},
 395     {0xC096, "TLS_DHE_PSK_WITH_CAMELLIA_128_CBC_SHA256"},
 396     {0xC097, "TLS_DHE_PSK_WITH_CAMELLIA_256_CBC_SHA384"},
 397     {0xC098, "TLS_RSA_PSK_WITH_CAMELLIA_128_CBC_SHA256"},
 398     {0xC099, "TLS_RSA_PSK_WITH_CAMELLIA_256_CBC_SHA384"},
 399     {0xC09A, "TLS_ECDHE_PSK_WITH_CAMELLIA_128_CBC_SHA256"},
 400     {0xC09B, "TLS_ECDHE_PSK_WITH_CAMELLIA_256_CBC_SHA384"},
 401     {0xC09C, "TLS_RSA_WITH_AES_128_CCM"},
 402     {0xC09D, "TLS_RSA_WITH_AES_256_CCM"},
 403     {0xC09E, "TLS_DHE_RSA_WITH_AES_128_CCM"},
 404     {0xC09F, "TLS_DHE_RSA_WITH_AES_256_CCM"},
 405     {0xC0A0, "TLS_RSA_WITH_AES_128_CCM_8"},
 406     {0xC0A1, "TLS_RSA_WITH_AES_256_CCM_8"},
 407     {0xC0A2, "TLS_DHE_RSA_WITH_AES_128_CCM_8"},
 408     {0xC0A3, "TLS_DHE_RSA_WITH_AES_256_CCM_8"},
 409     {0xC0A4, "TLS_PSK_WITH_AES_128_CCM"},
 410     {0xC0A5, "TLS_PSK_WITH_AES_256_CCM"},
 411     {0xC0A6, "TLS_DHE_PSK_WITH_AES_128_CCM"},
 412     {0xC0A7, "TLS_DHE_PSK_WITH_AES_256_CCM"},
 413     {0xC0A8, "TLS_PSK_WITH_AES_128_CCM_8"},
 414     {0xC0A9, "TLS_PSK_WITH_AES_256_CCM_8"},
 415     {0xC0AA, "TLS_PSK_DHE_WITH_AES_128_CCM_8"},
 416     {0xC0AB, "TLS_PSK_DHE_WITH_AES_256_CCM_8"},
 417     {0xC0AC, "TLS_ECDHE_ECDSA_WITH_AES_128_CCM"},
 418     {0xC0AD, "TLS_ECDHE_ECDSA_WITH_AES_256_CCM"},
 419     {0xC0AE, "TLS_ECDHE_ECDSA_WITH_AES_128_CCM_8"},
 420     {0xC0AF, "TLS_ECDHE_ECDSA_WITH_AES_256_CCM_8"},
 421     {0xCCA8, "TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305"},
 422     {0xCCA9, "TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305"},
 423     {0xCCAA, "TLS_DHE_RSA_WITH_CHACHA20_POLY1305"},
 424     {0xCCAB, "TLS_PSK_WITH_CHACHA20_POLY1305"},
 425     {0xCCAC, "TLS_ECDHE_PSK_WITH_CHACHA20_POLY1305"},
 426     {0xCCAD, "TLS_DHE_PSK_WITH_CHACHA20_POLY1305"},
 427     {0xCCAE, "TLS_RSA_PSK_WITH_CHACHA20_POLY1305"},
 428     {0x1301, "TLS_AES_128_GCM_SHA256"},
 429     {0xFEFE, "SSL_RSA_FIPS_WITH_DES_CBC_SHA"},
 430     {0xFEFF, "SSL_RSA_FIPS_WITH_3DES_EDE_CBC_SHA"},
 431 };
 432
 433 /* Compression methods */
 434 static ssl_trace_tbl ssl_comp_tbl[] = {
 435     {0x0000, "No Compression"},
 436     {0x0001, "Zlib Compression"}
 437 };
 438
 439 /* Extensions */
 440 static ssl_trace_tbl ssl_exts_tbl[] = {
 441     {TLSEXT_TYPE_server_name, "server_name"},
 442     {TLSEXT_TYPE_max_fragment_length, "max_fragment_length"},
 443     {TLSEXT_TYPE_client_certificate_url, "client_certificate_url"},
 444     {TLSEXT_TYPE_trusted_ca_keys, "trusted_ca_keys"},
 445     {TLSEXT_TYPE_truncated_hmac, "truncated_hmac"},
 446     {TLSEXT_TYPE_status_request, "status_request"},
 447     {TLSEXT_TYPE_user_mapping, "user_mapping"},
 448     {TLSEXT_TYPE_client_authz, "client_authz"},
 449     {TLSEXT_TYPE_server_authz, "server_authz"},
 450     {TLSEXT_TYPE_cert_type, "cert_type"},
 451     {TLSEXT_TYPE_supported_groups, "supported_groups"},
 452     {TLSEXT_TYPE_ec_point_formats, "ec_point_formats"},
 453     {TLSEXT_TYPE_srp, "srp"},
 454     {TLSEXT_TYPE_signature_algorithms, "signature_algorithms"},
 455     {TLSEXT_TYPE_use_srtp, "use_srtp"},
 456     {TLSEXT_TYPE_heartbeat, "heartbeat"},
 457     {TLSEXT_TYPE_session_ticket, "session_ticket"},
 458     {TLSEXT_TYPE_supported_versions, "supported_versions"},
 459     {TLSEXT_TYPE_renegotiate, "renegotiate"},
 460 # ifndef OPENSSL_NO_NEXTPROTONEG
 461     {TLSEXT_TYPE_next_proto_neg, "next_proto_neg"},
 462 # endif
 463     {TLSEXT_TYPE_signed_certificate_timestamp, "signed_certificate_timestamps"},
 464     {TLSEXT_TYPE_padding, "padding"},
 465     {TLSEXT_TYPE_encrypt_then_mac, "encrypt_then_mac"},
 466     {TLSEXT_TYPE_extended_master_secret, "extended_master_secret"}
 467 };
 468
 469 static ssl_trace_tbl ssl_groups_tbl[] = {
 470     {1, "sect163k1 (K-163)"},
 471     {2, "sect163r1"},
 472     {3, "sect163r2 (B-163)"},
 473     {4, "sect193r1"},
 474     {5, "sect193r2"},
 475     {6, "sect233k1 (K-233)"},
 476     {7, "sect233r1 (B-233)"},
 477     {8, "sect239k1"},
 478     {9, "sect283k1 (K-283)"},
 479     {10, "sect283r1 (B-283)"},
 480     {11, "sect409k1 (K-409)"},
 481     {12, "sect409r1 (B-409)"},
 482     {13, "sect571k1 (K-571)"},
 483     {14, "sect571r1 (B-571)"},
 484     {15, "secp160k1"},
 485     {16, "secp160r1"},
 486     {17, "secp160r2"},
 487     {18, "secp192k1"},
 488     {19, "secp192r1 (P-192)"},
 489     {20, "secp224k1"},
 490     {21, "secp224r1 (P-224)"},
 491     {22, "secp256k1"},
 492     {23, "secp256r1 (P-256)"},
 493     {24, "secp384r1 (P-384)"},
 494     {25, "secp521r1 (P-521)"},
 495     {26, "brainpoolP256r1"},
 496     {27, "brainpoolP384r1"},
 497     {28, "brainpoolP512r1"},
 498     {29, "ecdh_x25519"},
 499     {0xFF01, "arbitrary_explicit_prime_curves"},
 500     {0xFF02, "arbitrary_explicit_char2_curves"}
 501 };
 502
 503 static ssl_trace_tbl ssl_point_tbl[] = {
 504     {0, "uncompressed"},
 505     {1, "ansiX962_compressed_prime"},
 506     {2, "ansiX962_compressed_char2"}
 507 };
 508
 509 static ssl_trace_tbl ssl_md_tbl[] = {
 510     {TLSEXT_hash_none, "none"},
 511     {TLSEXT_hash_md5, "md5"},
 512     {TLSEXT_hash_sha1, "sha1"},
 513     {TLSEXT_hash_sha224, "sha224"},
 514     {TLSEXT_hash_sha256, "sha256"},
 515     {TLSEXT_hash_sha384, "sha384"},
 516     {TLSEXT_hash_sha512, "sha512"},
 517     {TLSEXT_hash_gostr3411, "md_gost94"},
 518     {TLSEXT_hash_gostr34112012_256, "md_gost2012_256"},
 519     {TLSEXT_hash_gostr34112012_512, "md_gost2012_512"}
 520 };
 521
 522 static ssl_trace_tbl ssl_sig_tbl[] = {
 523     {TLSEXT_signature_anonymous, "anonymous"},
 524     {TLSEXT_signature_rsa, "rsa"},
 525     {TLSEXT_signature_dsa, "dsa"},
 526     {TLSEXT_signature_ecdsa, "ecdsa"},
 527     {TLSEXT_signature_gostr34102001, "gost2001"},
 528     {TLSEXT_signature_gostr34102012_256, "gost2012_256"},
 529     {TLSEXT_signature_gostr34102012_512, "gost2012_512"}
 530 };
 531
 532 static ssl_trace_tbl ssl_hb_tbl[] = {
 533     {1, "peer_allowed_to_send"},
 534     {2, "peer_not_allowed_to_send"}
 535 };
 536
 537 static ssl_trace_tbl ssl_hb_type_tbl[] = {
 538     {1, "heartbeat_request"},
 539     {2, "heartbeat_response"}
 540 };
 541
 542 static ssl_trace_tbl ssl_ctype_tbl[] = {
 543     {1, "rsa_sign"},
 544     {2, "dss_sign"},
 545     {3, "rsa_fixed_dh"},
 546     {4, "dss_fixed_dh"},
 547     {5, "rsa_ephemeral_dh"},
 548     {6, "dss_ephemeral_dh"},
 549     {20, "fortezza_dms"},
 550     {64, "ecdsa_sign"},
 551     {65, "rsa_fixed_ecdh"},
 552     {66, "ecdsa_fixed_ecdh"}
 553 };
 554
 555 static ssl_trace_tbl ssl_crypto_tbl[] = {
 556     {TLS1_RT_CRYPTO_PREMASTER, "Premaster Secret"},
 557     {TLS1_RT_CRYPTO_CLIENT_RANDOM, "Client Random"},
 558     {TLS1_RT_CRYPTO_SERVER_RANDOM, "Server Random"},
 559     {TLS1_RT_CRYPTO_MASTER, "Master Secret"},
 560     {TLS1_RT_CRYPTO_MAC | TLS1_RT_CRYPTO_WRITE, "Write Mac Secret"},
 561     {TLS1_RT_CRYPTO_MAC | TLS1_RT_CRYPTO_READ, "Read Mac Secret"},
 562     {TLS1_RT_CRYPTO_KEY | TLS1_RT_CRYPTO_WRITE, "Write Key"},
 563     {TLS1_RT_CRYPTO_KEY | TLS1_RT_CRYPTO_READ, "Read Key"},
 564     {TLS1_RT_CRYPTO_IV | TLS1_RT_CRYPTO_WRITE, "Write IV"},
 565     {TLS1_RT_CRYPTO_IV | TLS1_RT_CRYPTO_READ, "Read IV"},
 566     {TLS1_RT_CRYPTO_FIXED_IV | TLS1_RT_CRYPTO_WRITE, "Write IV (fixed part)"},
 567     {TLS1_RT_CRYPTO_FIXED_IV | TLS1_RT_CRYPTO_READ, "Read IV (fixed part)"}
 568 };
 569
 570 static void ssl_print_hex(BIO *bio, int indent, const char *name,
 571                           const unsigned char *msg, size_t msglen)
 572 {
 573     size_t i;
 574     BIO_indent(bio, indent, 80);
 575     BIO_printf(bio, "%s (len=%d): ", name, (int)msglen);
 576     for (i = 0; i < msglen; i++)
 577         BIO_printf(bio, "%02X", msg[i]);
 578     BIO_puts(bio, "\n");
 579 }
 580
 581 static int ssl_print_hexbuf(BIO *bio, int indent,
 582                             const char *name, size_t nlen,
 583                             const unsigned char **pmsg, size_t *pmsglen)
 584 {
 585     size_t blen;
 586     const unsigned char *p = *pmsg;
 587     if (*pmsglen < nlen)
 588         return 0;
 589     blen = p[0];
 590     if (nlen > 1)
 591         blen = (blen << 8) | p[1];
 592     if (*pmsglen < nlen + blen)
 593         return 0;
 594     p += nlen;
 595     ssl_print_hex(bio, indent, name, p, blen);
 596     *pmsg += blen + nlen;
 597     *pmsglen -= blen + nlen;
 598     return 1;
 599 }
 600
 601 static int ssl_print_version(BIO *bio, int indent, const char *name,
 602                              const unsigned char **pmsg, size_t *pmsglen)
 603 {
 604     int vers;
 605     if (*pmsglen < 2)
 606         return 0;
 607     vers = ((*pmsg)[0] << 8) | (*pmsg)[1];
 608     BIO_indent(bio, indent, 80);
 609     BIO_printf(bio, "%s=0x%x (%s)\n",
 610                name, vers, ssl_trace_str(vers, ssl_version_tbl));
 611     *pmsg += 2;
 612     *pmsglen -= 2;
 613     return 1;
 614 }
 615
 616 static int ssl_print_random(BIO *bio, int indent,
 617                             const unsigned char **pmsg, size_t *pmsglen)
 618 {
 619     unsigned int tm;
 620     const unsigned char *p = *pmsg;
 621     if (*pmsglen < 32)
 622         return 0;
 623     tm = (p[0] << 24) | (p[1] << 16) | (p[2] << 8) | p[3];
 624     p += 4;
 625     BIO_indent(bio, indent, 80);
 626     BIO_puts(bio, "Random:\n");
 627     BIO_indent(bio, indent + 2, 80);
 628     BIO_printf(bio, "gmt_unix_time=0x%08X\n", tm);
 629     ssl_print_hex(bio, indent + 2, "random_bytes", p, 28);
 630     *pmsg += 32;
 631     *pmsglen -= 32;
 632     return 1;
 633 }
 634
 635 static int ssl_print_signature(BIO *bio, int indent, SSL *s,
 636                                const unsigned char **pmsg, size_t *pmsglen)
 637 {
 638     if (*pmsglen < 2)
 639         return 0;
 640     if (SSL_USE_SIGALGS(s)) {
 641         const unsigned char *p = *pmsg;
 642         BIO_indent(bio, indent, 80);
 643         BIO_printf(bio, "Signature Algorithm %s+%s (%d+%d)\n",
 644                    ssl_trace_str(p[0], ssl_md_tbl),
 645                    ssl_trace_str(p[1], ssl_sig_tbl), p[0], p[1]);
 646         *pmsg += 2;
 647         *pmsglen -= 2;
 648     }
 649     return ssl_print_hexbuf(bio, indent, "Signature", 2, pmsg, pmsglen);
 650 }
 651
 652 static int ssl_print_extension(BIO *bio, int indent, int server, int extype,
 653                                const unsigned char *ext, size_t extlen)
 654 {
 655     size_t xlen;
 656     BIO_indent(bio, indent, 80);
 657     BIO_printf(bio, "extension_type=%s(%d), length=%d\n",
 658                ssl_trace_str(extype, ssl_exts_tbl), extype, (int)extlen);
 659     switch (extype) {
 660     case TLSEXT_TYPE_ec_point_formats:
 661         if (extlen < 1)
 662             return 0;
 663         xlen = ext[0];
 664         if (extlen != xlen + 1)
 665             return 0;
 666         return ssl_trace_list(bio, indent + 2, ext + 1, xlen, 1, ssl_point_tbl);
 667
 668     case TLSEXT_TYPE_supported_groups:
 669         if (extlen < 2)
 670             return 0;
 671         xlen = (ext[0] << 8) | ext[1];
 672         if (extlen != xlen + 2)
 673             return 0;
 674         return ssl_trace_list(bio, indent + 2, ext + 2, xlen, 2, ssl_groups_tbl);
 675
 676     case TLSEXT_TYPE_signature_algorithms:
 677
 678         if (extlen < 2)
 679             return 0;
 680         xlen = (ext[0] << 8) | ext[1];
 681         if (extlen != xlen + 2)
 682             return 0;
 683         if (xlen & 1)
 684             return 0;
 685         ext += 2;
 686         while (xlen > 0) {
 687             BIO_indent(bio, indent + 2, 80);
 688             BIO_printf(bio, "%s+%s (%d+%d)\n",
 689                        ssl_trace_str(ext[0], ssl_md_tbl),
 690                        ssl_trace_str(ext[1], ssl_sig_tbl), ext[0], ext[1]);
 691             xlen -= 2;
 692             ext += 2;
 693         }
 694         break;
 695
 696     case TLSEXT_TYPE_renegotiate:
 697         if (extlen < 1)
 698             return 0;
 699         xlen = ext[0];
 700         if (xlen + 1 != extlen)
 701             return 0;
 702         ext++;
 703         if (xlen) {
 704             if (server) {
 705                 if (xlen & 1)
 706                     return 0;
 707                 xlen >>= 1;
 708             }
 709             ssl_print_hex(bio, indent + 4, "client_verify_data", ext, xlen);
 710             if (server) {
 711                 ext += xlen;
 712                 ssl_print_hex(bio, indent + 4, "server_verify_data", ext, xlen);
 713             }
 714         } else {
 715             BIO_indent(bio, indent + 4, 80);
 716             BIO_puts(bio, "<EMPTY>\n");
 717         }
 718         break;
 719
 720     case TLSEXT_TYPE_heartbeat:
 721         if (extlen != 1)
 722             return 0;
 723         BIO_indent(bio, indent + 2, 80);
 724         BIO_printf(bio, "HeartbeatMode: %s\n",
 725                    ssl_trace_str(ext[0], ssl_hb_tbl));
 726         break;
 727
 728     case TLSEXT_TYPE_session_ticket:
 729         if (extlen != 0)
 730             ssl_print_hex(bio, indent + 4, "ticket", ext, extlen);
 731         break;
 732
 733     case TLSEXT_TYPE_supported_versions:
 734         if (extlen < 1)
 735             return 0;
 736         xlen = ext[0];
 737         if (extlen != xlen + 1)
 738             return 0;
 739         return ssl_trace_list(bio, indent + 2, ext + 1, xlen, 2,
 740                               ssl_version_tbl);
 741
 742     default:
 743         BIO_dump_indent(bio, (const char *)ext, extlen, indent + 2);
 744     }
 745     return 1;
 746 }
 747
 748 static int ssl_print_extensions(BIO *bio, int indent, int server,
 749                                 const unsigned char *msg, size_t msglen)
 750 {
 751     size_t extslen;
 752     BIO_indent(bio, indent, 80);
 753     if (msglen == 0) {
 754         BIO_puts(bio, "No Extensions\n");
 755         return 1;
 756     }
 757     extslen = (msg[0] << 8) | msg[1];
 758     if (extslen != msglen - 2)
 759         return 0;
 760     msg += 2;
 761     msglen = extslen;
 762     BIO_printf(bio, "extensions, length = %d\n", (int)msglen);
 763     while (msglen > 0) {
 764         int extype;
 765         size_t extlen;
 766         if (msglen < 4)
 767             return 0;
 768         extype = (msg[0] << 8) | msg[1];
 769         extlen = (msg[2] << 8) | msg[3];
 770         if (msglen < extlen + 4)
 771             return 0;
 772         msg += 4;
 773         if (!ssl_print_extension(bio, indent + 2, server, extype, msg, extlen))
 774             return 0;
 775         msg += extlen;
 776         msglen -= extlen + 4;
 777     }
 778     return 1;
 779 }
 780
 781 static int ssl_print_client_hello(BIO *bio, SSL *ssl, int indent,
 782                                   const unsigned char *msg, size_t msglen)
 783 {
 784     size_t len;
 785     unsigned int cs;
 786     if (!ssl_print_version(bio, indent, "client_version", &msg, &msglen))
 787         return 0;
 788     if (!ssl_print_random(bio, indent, &msg, &msglen))
 789         return 0;
 790     if (!ssl_print_hexbuf(bio, indent, "session_id", 1, &msg, &msglen))
 791         return 0;
 792     if (SSL_IS_DTLS(ssl)) {
 793         if (!ssl_print_hexbuf(bio, indent, "cookie", 1, &msg, &msglen))
 794             return 0;
 795     }
 796     if (msglen < 2)
 797         return 0;
 798     len = (msg[0] << 8) | msg[1];
 799     msg += 2;
 800     msglen -= 2;
 801     BIO_indent(bio, indent, 80);
 802     BIO_printf(bio, "cipher_suites (len=%d)\n", (int)len);
 803     if (msglen < len || len & 1)
 804         return 0;
 805     while (len > 0) {
 806         cs = (msg[0] << 8) | msg[1];
 807         BIO_indent(bio, indent + 2, 80);
 808         BIO_printf(bio, "{0x%02X, 0x%02X} %s\n",
 809                    msg[0], msg[1], ssl_trace_str(cs, ssl_ciphers_tbl));
 810         msg += 2;
 811         msglen -= 2;
 812         len -= 2;
 813     }
 814     if (msglen < 1)
 815         return 0;
 816     len = msg[0];
 817     msg++;
 818     msglen--;
 819     if (msglen < len)
 820         return 0;
 821     BIO_indent(bio, indent, 80);
 822     BIO_printf(bio, "compression_methods (len=%d)\n", (int)len);
 823     while (len > 0) {
 824         BIO_indent(bio, indent + 2, 80);
 825         BIO_printf(bio, "%s (0x%02X)\n",
 826                    ssl_trace_str(msg[0], ssl_comp_tbl), msg[0]);
 827         msg++;
 828         msglen--;
 829         len--;
 830     }
 831     if (!ssl_print_extensions(bio, indent, 0, msg, msglen))
 832         return 0;
 833     return 1;
 834 }
 835
 836 static int dtls_print_hello_vfyrequest(BIO *bio, int indent,
 837                                        const unsigned char *msg, size_t msglen)
 838 {
 839     if (!ssl_print_version(bio, indent, "server_version", &msg, &msglen))
 840         return 0;
 841     if (!ssl_print_hexbuf(bio, indent, "cookie", 1, &msg, &msglen))
 842         return 0;
 843     return 1;
 844 }
 845
 846 static int ssl_print_server_hello(BIO *bio, int indent,
 847                                   const unsigned char *msg, size_t msglen)
 848 {
 849     unsigned int cs;
 850     if (!ssl_print_version(bio, indent, "server_version", &msg, &msglen))
 851         return 0;
 852     if (!ssl_print_random(bio, indent, &msg, &msglen))
 853         return 0;
 854     if (!ssl_print_hexbuf(bio, indent, "session_id", 1, &msg, &msglen))
 855         return 0;
 856     if (msglen < 2)
 857         return 0;
 858     cs = (msg[0] << 8) | msg[1];
 859     BIO_indent(bio, indent, 80);
 860     BIO_printf(bio, "cipher_suite {0x%02X, 0x%02X} %s\n",
 861                msg[0], msg[1], ssl_trace_str(cs, ssl_ciphers_tbl));
 862     msg += 2;
 863     msglen -= 2;
 864     if (msglen < 1)
 865         return 0;
 866     BIO_indent(bio, indent, 80);
 867     BIO_printf(bio, "compression_method: %s (0x%02X)\n",
 868                ssl_trace_str(msg[0], ssl_comp_tbl), msg[0]);
 869     msg++;
 870     msglen--;
 871     if (!ssl_print_extensions(bio, indent, 1, msg, msglen))
 872         return 0;
 873     return 1;
 874 }
 875
 876 static int ssl_get_keyex(const char **pname, SSL *ssl)
 877 {
 878     unsigned long alg_k = ssl->s3->tmp.new_cipher->algorithm_mkey;
 879     if (alg_k & SSL_kRSA) {
 880         *pname = "rsa";
 881         return SSL_kRSA;
 882     }
 883     if (alg_k & SSL_kDHE) {
 884         *pname = "DHE";
 885         return SSL_kDHE;
 886     }
 887     if (alg_k & SSL_kECDHE) {
 888         *pname = "ECDHE";
 889         return SSL_kECDHE;
 890     }
 891     if (alg_k & SSL_kPSK) {
 892         *pname = "PSK";
 893         return SSL_kPSK;
 894     }
 895     if (alg_k & SSL_kRSAPSK) {
 896         *pname = "RSAPSK";
 897         return SSL_kRSAPSK;
 898     }
 899     if (alg_k & SSL_kDHEPSK) {
 900         *pname = "DHEPSK";
 901         return SSL_kDHEPSK;
 902     }
 903     if (alg_k & SSL_kECDHEPSK) {
 904         *pname = "ECDHEPSK";
 905         return SSL_kECDHEPSK;
 906     }
 907     if (alg_k & SSL_kSRP) {
 908         *pname = "SRP";
 909         return SSL_kSRP;
 910     }
 911     if (alg_k & SSL_kGOST) {
 912         *pname = "GOST";
 913         return SSL_kGOST;
 914     }
 915     *pname = "UNKNOWN";
 916     return 0;
 917 }
 918
 919 static int ssl_print_client_keyex(BIO *bio, int indent, SSL *ssl,
 920                                   const unsigned char *msg, size_t msglen)
 921 {
 922     const char *algname;
 923     int id;
 924     id = ssl_get_keyex(&algname, ssl);
 925     BIO_indent(bio, indent, 80);
 926     BIO_printf(bio, "KeyExchangeAlgorithm=%s\n", algname);
 927     if (id & SSL_PSK) {
 928         if (!ssl_print_hexbuf(bio, indent + 2,
 929                               "psk_identity", 2, &msg, &msglen))
 930             return 0;
 931     }
 932     switch (id) {
 933
 934     case SSL_kRSA:
 935     case SSL_kRSAPSK:
 936         if (TLS1_get_version(ssl) == SSL3_VERSION) {
 937             ssl_print_hex(bio, indent + 2,
 938                           "EncyptedPreMasterSecret", msg, msglen);
 939         } else {
 940             if (!ssl_print_hexbuf(bio, indent + 2,
 941                                   "EncyptedPreMasterSecret", 2, &msg, &msglen))
 942                 return 0;
 943         }
 944         break;
 945
 946     case SSL_kDHE:
 947     case SSL_kDHEPSK:
 948         if (!ssl_print_hexbuf(bio, indent + 2, "dh_Yc", 2, &msg, &msglen))
 949             return 0;
 950         break;
 951
 952     case SSL_kECDHE:
 953     case SSL_kECDHEPSK:
 954         if (!ssl_print_hexbuf(bio, indent + 2, "ecdh_Yc", 1, &msg, &msglen))
 955             return 0;
 956         break;
 957
 958     }
 959
 960     return !msglen;
 961 }
 962
 963 static int ssl_print_server_keyex(BIO *bio, int indent, SSL *ssl,
 964                                   const unsigned char *msg, size_t msglen)
 965 {
 966     const char *algname;
 967     int id;
 968     id = ssl_get_keyex(&algname, ssl);
 969     BIO_indent(bio, indent, 80);
 970     BIO_printf(bio, "KeyExchangeAlgorithm=%s\n", algname);
 971     if (id & SSL_PSK) {
 972         if (!ssl_print_hexbuf(bio, indent + 2,
 973                               "psk_identity_hint", 2, &msg, &msglen))
 974             return 0;
 975     }
 976     switch (id) {
 977     case SSL_kRSA:
 978
 979         if (!ssl_print_hexbuf(bio, indent + 2, "rsa_modulus", 2, &msg, &msglen))
 980             return 0;
 981         if (!ssl_print_hexbuf(bio, indent + 2, "rsa_exponent", 2,
 982                               &msg, &msglen))
 983             return 0;
 984         break;
 985
 986     case SSL_kDHE:
 987     case SSL_kDHEPSK:
 988         if (!ssl_print_hexbuf(bio, indent + 2, "dh_p", 2, &msg, &msglen))
 989             return 0;
 990         if (!ssl_print_hexbuf(bio, indent + 2, "dh_g", 2, &msg, &msglen))
 991             return 0;
 992         if (!ssl_print_hexbuf(bio, indent + 2, "dh_Ys", 2, &msg, &msglen))
 993             return 0;
 994         break;
 995
 996 # ifndef OPENSSL_NO_EC
 997     case SSL_kECDHE:
 998     case SSL_kECDHEPSK:
 999         if (msglen < 1)
1000             return 0;
1001         BIO_indent(bio, indent + 2, 80);
1002         if (msg[0] == EXPLICIT_PRIME_CURVE_TYPE)
1003             BIO_puts(bio, "explicit_prime\n");
1004         else if (msg[0] == EXPLICIT_CHAR2_CURVE_TYPE)
1005             BIO_puts(bio, "explicit_char2\n");
1006         else if (msg[0] == NAMED_CURVE_TYPE) {
1007             int curve;
1008             if (msglen < 3)
1009                 return 0;
1010             curve = (msg[1] << 8) | msg[2];
1011             BIO_printf(bio, "named_curve: %s (%d)\n",
1012                        ssl_trace_str(curve, ssl_groups_tbl), curve);
1013             msg += 3;
1014             msglen -= 3;
1015             if (!ssl_print_hexbuf(bio, indent + 2, "point", 1, &msg, &msglen))
1016                 return 0;
1017         } else {
1018             BIO_printf(bio, "UNKNOWN CURVE PARAMETER TYPE %d\n", msg[0]);
1019             return 0;
1020         }
1021         break;
1022 # endif
1023
1024     case SSL_kPSK:
1025     case SSL_kRSAPSK:
1026         break;
1027     }
1028     if (!(id & SSL_PSK))
1029         ssl_print_signature(bio, indent, ssl, &msg, &msglen);
1030     return !msglen;
1031 }
1032
1033 static int ssl_print_certificate(BIO *bio, int indent,
1034                                  const unsigned char **pmsg, size_t *pmsglen)
1035 {
1036     size_t msglen = *pmsglen;
1037     size_t clen;
1038     X509 *x;
1039     const unsigned char *p = *pmsg, *q;
1040     if (msglen < 3)
1041         return 0;
1042     clen = (p[0] << 16) | (p[1] << 8) | p[2];
1043     if (msglen < clen + 3)
1044         return 0;
1045     q = p + 3;
1046     BIO_indent(bio, indent, 80);
1047     BIO_printf(bio, "ASN.1Cert, length=%d", (int)clen);
1048     x = d2i_X509(NULL, &q, clen);
1049     if (!x)
1050         BIO_puts(bio, "<UNPARSEABLE CERTIFICATE>\n");
1051     else {
1052         BIO_puts(bio, "\n------details-----\n");
1053         X509_print_ex(bio, x, XN_FLAG_ONELINE, 0);
1054         PEM_write_bio_X509(bio, x);
1055         /* Print certificate stuff */
1056         BIO_puts(bio, "------------------\n");
1057         X509_free(x);
1058     }
1059     if (q != p + 3 + clen) {
1060         BIO_puts(bio, "<TRAILING GARBAGE AFTER CERTIFICATE>\n");
1061     }
1062     *pmsg += clen + 3;
1063     *pmsglen -= clen + 3;
1064     return 1;
1065 }
1066
1067 static int ssl_print_certificates(BIO *bio, int indent,
1068                                   const unsigned char *msg, size_t msglen)
1069 {
1070     size_t clen;
1071     if (msglen < 3)
1072         return 0;
1073     clen = (msg[0] << 16) | (msg[1] << 8) | msg[2];
1074     if (msglen != clen + 3)
1075         return 0;
1076     msg += 3;
1077     BIO_indent(bio, indent, 80);
1078     BIO_printf(bio, "certificate_list, length=%d\n", (int)clen);
1079     while (clen > 0) {
1080         if (!ssl_print_certificate(bio, indent + 2, &msg, &clen))
1081             return 0;
1082     }
1083     return 1;
1084 }
1085
1086 static int ssl_print_cert_request(BIO *bio, int indent, SSL *s,
1087                                   const unsigned char *msg, size_t msglen)
1088 {
1089     size_t xlen;
1090     if (msglen < 1)
1091         return 0;
1092     xlen = msg[0];
1093     if (msglen < xlen + 1)
1094         return 0;
1095     msg++;
1096     BIO_indent(bio, indent, 80);
1097     BIO_printf(bio, "certificate_types (len=%d)\n", (int)xlen);
1098     if (!ssl_trace_list(bio, indent + 2, msg, xlen, 1, ssl_ctype_tbl))
1099         return 0;
1100     msg += xlen;
1101     msglen -= xlen + 1;
1102     if (!SSL_USE_SIGALGS(s))
1103         goto skip_sig;
1104     if (msglen < 2)
1105         return 0;
1106     xlen = (msg[0] << 8) | msg[1];
1107     if (msglen < xlen + 2 || (xlen & 1))
1108         return 0;
1109     msg += 2;
1110     BIO_indent(bio, indent, 80);
1111     BIO_printf(bio, "signature_algorithms (len=%d)\n", (int)xlen);
1112     while (xlen > 0) {
1113         BIO_indent(bio, indent + 2, 80);
1114         BIO_printf(bio, "%s+%s (%d+%d)\n",
1115                    ssl_trace_str(msg[0], ssl_md_tbl),
1116                    ssl_trace_str(msg[1], ssl_sig_tbl), msg[0], msg[1]);
1117         xlen -= 2;
1118         msg += 2;
1119     }
1120     msg += xlen;
1121     msglen -= xlen + 2;
1122
1123  skip_sig:
1124     xlen = (msg[0] << 8) | msg[1];
1125     BIO_indent(bio, indent, 80);
1126     if (msglen < xlen + 2)
1127         return 0;
1128     msg += 2;
1129     msglen -= 2;
1130     BIO_printf(bio, "certificate_authorities (len=%d)\n", (int)xlen);
1131     while (xlen > 0) {
1132         size_t dlen;
1133         X509_NAME *nm;
1134         const unsigned char *p;
1135         if (xlen < 2)
1136             return 0;
1137         dlen = (msg[0] << 8) | msg[1];
1138         if (xlen < dlen + 2)
1139             return 0;
1140         msg += 2;
1141         BIO_indent(bio, indent + 2, 80);
1142         BIO_printf(bio, "DistinguishedName (len=%d): ", (int)dlen);
1143         p = msg;
1144         nm = d2i_X509_NAME(NULL, &p, dlen);
1145         if (!nm) {
1146             BIO_puts(bio, "<UNPARSEABLE DN>\n");
1147         } else {
1148             X509_NAME_print_ex(bio, nm, 0, XN_FLAG_ONELINE);
1149             BIO_puts(bio, "\n");
1150             X509_NAME_free(nm);
1151         }
1152         xlen -= dlen + 2;
1153         msg += dlen;
1154     }
1155     return 1;
1156 }
1157
1158 static int ssl_print_ticket(BIO *bio, int indent,
1159                             const unsigned char *msg, size_t msglen)
1160 {
1161     unsigned int tick_life;
1162     if (msglen == 0) {
1163         BIO_indent(bio, indent + 2, 80);
1164         BIO_puts(bio, "No Ticket\n");
1165         return 1;
1166     }
1167     if (msglen < 4)
1168         return 0;
1169     tick_life = (msg[0] << 24) | (msg[1] << 16) | (msg[2] << 8) | msg[3];
1170     msglen -= 4;
1171     msg += 4;
1172     BIO_indent(bio, indent + 2, 80);
1173     BIO_printf(bio, "ticket_lifetime_hint=%u\n", tick_life);
1174     if (!ssl_print_hexbuf(bio, indent + 2, "ticket", 2, &msg, &msglen))
1175         return 0;
1176     if (msglen)
1177         return 0;
1178     return 1;
1179 }
1180
1181 static int ssl_print_handshake(BIO *bio, SSL *ssl,
1182                                const unsigned char *msg, size_t msglen,
1183                                int indent)
1184 {
1185     size_t hlen;
1186     unsigned char htype;
1187     if (msglen < 4)
1188         return 0;
1189     htype = msg[0];
1190     hlen = (msg[1] << 16) | (msg[2] << 8) | msg[3];
1191     BIO_indent(bio, indent, 80);
1192     BIO_printf(bio, "%s, Length=%d\n",
1193                ssl_trace_str(htype, ssl_handshake_tbl), (int)hlen);
1194     msg += 4;
1195     msglen -= 4;
1196     if (SSL_IS_DTLS(ssl)) {
1197         if (msglen < 8)
1198             return 0;
1199         BIO_indent(bio, indent, 80);
1200         BIO_printf(bio, "message_seq=%d, fragment_offset=%d, "
1201                    "fragment_length=%d\n",
1202                    (msg[0] << 8) | msg[1],
1203                    (msg[2] << 16) | (msg[3] << 8) | msg[4],
1204                    (msg[5] << 16) | (msg[6] << 8) | msg[7]);
1205         msg += 8;
1206         msglen -= 8;
1207     }
1208     if (msglen < hlen)
1209         return 0;
1210     switch (htype) {
1211     case SSL3_MT_CLIENT_HELLO:
1212         if (!ssl_print_client_hello(bio, ssl, indent + 2, msg, msglen))
1213             return 0;
1214         break;
1215
1216     case DTLS1_MT_HELLO_VERIFY_REQUEST:
1217         if (!dtls_print_hello_vfyrequest(bio, indent + 2, msg, msglen))
1218             return 0;
1219         break;
1220
1221     case SSL3_MT_SERVER_HELLO:
1222         if (!ssl_print_server_hello(bio, indent + 2, msg, msglen))
1223             return 0;
1224         break;
1225
1226     case SSL3_MT_SERVER_KEY_EXCHANGE:
1227         if (!ssl_print_server_keyex(bio, indent + 2, ssl, msg, msglen))
1228             return 0;
1229         break;
1230
1231     case SSL3_MT_CLIENT_KEY_EXCHANGE:
1232         if (!ssl_print_client_keyex(bio, indent + 2, ssl, msg, msglen))
1233             return 0;
1234         break;
1235
1236     case SSL3_MT_CERTIFICATE:
1237         if (!ssl_print_certificates(bio, indent + 2, msg, msglen))
1238             return 0;
1239         break;
1240
1241     case SSL3_MT_CERTIFICATE_VERIFY:
1242         if (!ssl_print_signature(bio, indent + 2, ssl, &msg, &msglen))
1243             return 0;
1244         break;
1245
1246     case SSL3_MT_CERTIFICATE_REQUEST:
1247         if (!ssl_print_cert_request(bio, indent + 2, ssl, msg, msglen))
1248             return 0;
1249         break;
1250
1251     case SSL3_MT_FINISHED:
1252         ssl_print_hex(bio, indent + 2, "verify_data", msg, msglen);
1253         break;
1254
1255     case SSL3_MT_SERVER_DONE:
1256         if (msglen != 0)
1257             ssl_print_hex(bio, indent + 2, "unexpected value", msg, msglen);
1258         break;
1259
1260     case SSL3_MT_NEWSESSION_TICKET:
1261         if (!ssl_print_ticket(bio, indent + 2, msg, msglen))
1262             return 0;
1263         break;
1264
1265     default:
1266         BIO_indent(bio, indent + 2, 80);
1267         BIO_puts(bio, "Unsupported, hex dump follows:\n");
1268         BIO_dump_indent(bio, (const char *)msg, msglen, indent + 4);
1269     }
1270     return 1;
1271 }
1272
1273 static int ssl_print_heartbeat(BIO *bio, int indent,
1274                                const unsigned char *msg, size_t msglen)
1275 {
1276     if (msglen < 3)
1277         return 0;
1278     BIO_indent(bio, indent, 80);
1279     BIO_printf(bio, "HeartBeatMessageType: %s\n",
1280                ssl_trace_str(msg[0], ssl_hb_type_tbl));
1281     msg++;
1282     msglen--;
1283     if (!ssl_print_hexbuf(bio, indent, "payload", 2, &msg, &msglen))
1284         return 0;
1285     ssl_print_hex(bio, indent, "padding", msg, msglen);
1286     return 1;
1287 }
1288
1289 const char *SSL_CIPHER_standard_name(const SSL_CIPHER *c)
1290 {
1291     return ssl_trace_str(c->id & 0xFFFF, ssl_ciphers_tbl);
1292 }
1293
1294 void SSL_trace(int write_p, int version, int content_type,
1295                const void *buf, size_t msglen, SSL *ssl, void *arg)
1296 {
1297     const unsigned char *msg = buf;
1298     BIO *bio = arg;
1299
1300     if (write_p == 2) {
1301         BIO_puts(bio, "Session ");
1302         ssl_print_hex(bio, 0,
1303                       ssl_trace_str(content_type, ssl_crypto_tbl), msg, msglen);
1304         return;
1305     }
1306     switch (content_type) {
1307     case SSL3_RT_HEADER:
1308         {
1309             int hvers = msg[1] << 8 | msg[2];
1310             BIO_puts(bio, write_p ? "Sent" : "Received");
1311             BIO_printf(bio, " Record\nHeader:\n  Version = %s (0x%x)\n",
1312                        ssl_trace_str(hvers, ssl_version_tbl), hvers);
1313             if (SSL_IS_DTLS(ssl)) {
1314                 BIO_printf(bio,
1315                            "  epoch=%d, sequence_number=%04x%04x%04x\n",
1316                            (msg[3] << 8 | msg[4]),
1317                            (msg[5] << 8 | msg[6]),
1318                            (msg[7] << 8 | msg[8]), (msg[9] << 8 | msg[10]));
1319             }
1320
1321             BIO_printf(bio, "  Content Type = %s (%d)\n  Length = %d",
1322                        ssl_trace_str(msg[0], ssl_content_tbl), msg[0],
1323                        msg[msglen - 2] << 8 | msg[msglen - 1]);
1324         }
1325         break;
1326     case SSL3_RT_HANDSHAKE:
1327         if (!ssl_print_handshake(bio, ssl, msg, msglen, 4))
1328             BIO_printf(bio, "Message length parse error!\n");
1329         break;
1330
1331     case SSL3_RT_CHANGE_CIPHER_SPEC:
1332         if (msglen == 1 && msg[0] == 1)
1333             BIO_puts(bio, "    change_cipher_spec (1)\n");
1334         else
1335             ssl_print_hex(bio, 4, "unknown value", msg, msglen);
1336         break;
1337
1338     case SSL3_RT_ALERT:
1339         if (msglen != 2)
1340             BIO_puts(bio, "    Illegal Alert Length\n");
1341         else {
1342             BIO_printf(bio, "    Level=%s(%d), description=%s(%d)\n",
1343                        SSL_alert_type_string_long(msg[0] << 8),
1344                        msg[0], SSL_alert_desc_string_long(msg[1]), msg[1]);
1345         }
1346     case DTLS1_RT_HEARTBEAT:
1347         ssl_print_heartbeat(bio, 4, msg, msglen);
1348         break;
1349
1350     }
1351
1352     BIO_puts(bio, "\n");
1353 }
1354
1355 #endif