ssl/t1_trce.c

   1 /* ssl/t1_trce.c */
   2 /*
   3  * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
   4  * project.
   5  */
   6 /* ====================================================================
   7  * Copyright (c) 2012 The OpenSSL Project.  All rights reserved.
   8  *
   9  * Redistribution and use in source and binary forms, with or without
  10  * modification, are permitted provided that the following conditions
  11  * are met:
  12  *
  13  * 1. Redistributions of source code must retain the above copyright
  14  *    notice, this list of conditions and the following disclaimer.
  15  *
  16  * 2. Redistributions in binary form must reproduce the above copyright
  17  *    notice, this list of conditions and the following disclaimer in
  18  *    the documentation and/or other materials provided with the
  19  *    distribution.
  20  *
  21  * 3. All advertising materials mentioning features or use of this
  22  *    software must display the following acknowledgment:
  23  *    "This product includes software developed by the OpenSSL Project
  24  *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
  25  *
  26  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
  27  *    endorse or promote products derived from this software without
  28  *    prior written permission. For written permission, please contact
  29  *    licensing@OpenSSL.org.
  30  *
  31  * 5. Products derived from this software may not be called "OpenSSL"
  32  *    nor may "OpenSSL" appear in their names without prior written
  33  *    permission of the OpenSSL Project.
  34  *
  35  * 6. Redistributions of any form whatsoever must retain the following
  36  *    acknowledgment:
  37  *    "This product includes software developed by the OpenSSL Project
  38  *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
  39  *
  40  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
  41  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  42  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  43  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
  44  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  45  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  46  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  47  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  48  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  49  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  50  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
  51  * OF THE POSSIBILITY OF SUCH DAMAGE.
  52  * ====================================================================
  53  *
  54  */
  55
  56 #include "ssl_locl.h"
  57
  58 #ifndef OPENSSL_NO_SSL_TRACE
  59
  60 /* Packet trace support for OpenSSL */
  61
  62 typedef struct {
  63     int num;
  64     const char *name;
  65 } ssl_trace_tbl;
  66
  67 # define ssl_trace_str(val, tbl) \
  68         do_ssl_trace_str(val, tbl, OSSL_NELEM(tbl))
  69
  70 # define ssl_trace_list(bio, indent, msg, msglen, value, table) \
  71         do_ssl_trace_list(bio, indent, msg, msglen, value, \
  72          table, OSSL_NELEM(table))
  73
  74 static const char *do_ssl_trace_str(int val, ssl_trace_tbl *tbl, size_t ntbl)
  75 {
  76     size_t i;
  77     for (i = 0; i < ntbl; i++, tbl++) {
  78         if (tbl->num == val)
  79             return tbl->name;
  80     }
  81     return "UNKNOWN";
  82 }
  83
  84 static int do_ssl_trace_list(BIO *bio, int indent,
  85                              const unsigned char *msg, size_t msglen,
  86                              size_t vlen, ssl_trace_tbl *tbl, size_t ntbl)
  87 {
  88     int val;
  89     if (msglen % vlen)
  90         return 0;
  91     while (msglen) {
  92         val = msg[0];
  93         if (vlen == 2)
  94             val = (val << 8) | msg[1];
  95         BIO_indent(bio, indent, 80);
  96         BIO_printf(bio, "%s (%d)\n", do_ssl_trace_str(val, tbl, ntbl), val);
  97         msg += vlen;
  98         msglen -= vlen;
  99     }
 100     return 1;
 101 }
 102
 103 /* Version number */
 104
 105 static ssl_trace_tbl ssl_version_tbl[] = {
 106     {SSL3_VERSION, "SSL 3.0"},
 107     {TLS1_VERSION, "TLS 1.0"},
 108     {TLS1_1_VERSION, "TLS 1.1"},
 109     {TLS1_2_VERSION, "TLS 1.2"},
 110     {DTLS1_VERSION, "DTLS 1.0"},
 111     {DTLS1_2_VERSION, "DTLS 1.2"},
 112     {DTLS1_BAD_VER, "DTLS 1.0 (bad)"}
 113 };
 114
 115 static ssl_trace_tbl ssl_content_tbl[] = {
 116     {SSL3_RT_CHANGE_CIPHER_SPEC, "ChangeCipherSpec"},
 117     {SSL3_RT_ALERT, "Alert"},
 118     {SSL3_RT_HANDSHAKE, "Handshake"},
 119     {SSL3_RT_APPLICATION_DATA, "ApplicationData"},
 120     {TLS1_RT_HEARTBEAT, "HeartBeat"}
 121 };
 122
 123 /* Handshake types */
 124 static ssl_trace_tbl ssl_handshake_tbl[] = {
 125     {SSL3_MT_HELLO_REQUEST, "HelloRequest"},
 126     {SSL3_MT_CLIENT_HELLO, "ClientHello"},
 127     {SSL3_MT_SERVER_HELLO, "ServerHello"},
 128     {DTLS1_MT_HELLO_VERIFY_REQUEST, "HelloVerifyRequest"},
 129     {SSL3_MT_NEWSESSION_TICKET, "NewSessionTicket"},
 130     {SSL3_MT_CERTIFICATE, "Certificate"},
 131     {SSL3_MT_SERVER_KEY_EXCHANGE, "ServerKeyExchange"},
 132     {SSL3_MT_CERTIFICATE_REQUEST, "CertificateRequest"},
 133     {SSL3_MT_CLIENT_KEY_EXCHANGE, "ClientKeyExchange"},
 134     {SSL3_MT_CERTIFICATE_STATUS, "CertificateStatus"},
 135     {SSL3_MT_SERVER_DONE, "ServerHelloDone"},
 136     {SSL3_MT_CERTIFICATE_VERIFY, "CertificateVerify"},
 137     {SSL3_MT_CLIENT_KEY_EXCHANGE, "ClientKeyExchange"},
 138     {SSL3_MT_FINISHED, "Finished"},
 139     {SSL3_MT_CERTIFICATE_STATUS, "CertificateStatus"}
 140 };
 141
 142 /* Cipher suites */
 143 static ssl_trace_tbl ssl_ciphers_tbl[] = {
 144     {0x0000, "SSL_NULL_WITH_NULL_NULL"},
 145     {0x0001, "SSL_RSA_WITH_NULL_MD5"},
 146     {0x0002, "SSL_RSA_WITH_NULL_SHA"},
 147     {0x0003, "SSL_RSA_EXPORT_WITH_RC4_40_MD5"},
 148     {0x0004, "SSL_RSA_WITH_RC4_128_MD5"},
 149     {0x0005, "SSL_RSA_WITH_RC4_128_SHA"},
 150     {0x0006, "SSL_RSA_EXPORT_WITH_RC2_CBC_40_MD5"},
 151     {0x0007, "SSL_RSA_WITH_IDEA_CBC_SHA"},
 152     {0x0008, "SSL_RSA_EXPORT_WITH_DES40_CBC_SHA"},
 153     {0x0009, "SSL_RSA_WITH_DES_CBC_SHA"},
 154     {0x000A, "SSL_RSA_WITH_3DES_EDE_CBC_SHA"},
 155     {0x000B, "SSL_DH_DSS_EXPORT_WITH_DES40_CBC_SHA"},
 156     {0x000C, "SSL_DH_DSS_WITH_DES_CBC_SHA"},
 157     {0x000D, "SSL_DH_DSS_WITH_3DES_EDE_CBC_SHA"},
 158     {0x000E, "SSL_DH_RSA_EXPORT_WITH_DES40_CBC_SHA"},
 159     {0x000F, "SSL_DH_RSA_WITH_DES_CBC_SHA"},
 160     {0x0010, "SSL_DH_RSA_WITH_3DES_EDE_CBC_SHA"},
 161     {0x0011, "SSL_DHE_DSS_EXPORT_WITH_DES40_CBC_SHA"},
 162     {0x0012, "SSL_DHE_DSS_WITH_DES_CBC_SHA"},
 163     {0x0013, "SSL_DHE_DSS_WITH_3DES_EDE_CBC_SHA"},
 164     {0x0014, "SSL_DHE_RSA_EXPORT_WITH_DES40_CBC_SHA"},
 165     {0x0015, "SSL_DHE_RSA_WITH_DES_CBC_SHA"},
 166     {0x0016, "SSL_DHE_RSA_WITH_3DES_EDE_CBC_SHA"},
 167     {0x0017, "SSL_DH_anon_EXPORT_WITH_RC4_40_MD5"},
 168     {0x0018, "SSL_DH_anon_WITH_RC4_128_MD5"},
 169     {0x0019, "SSL_DH_anon_EXPORT_WITH_DES40_CBC_SHA"},
 170     {0x001A, "SSL_DH_anon_WITH_DES_CBC_SHA"},
 171     {0x001B, "SSL_DH_anon_WITH_3DES_EDE_CBC_SHA"},
 172     {0x001D, "SSL_FORTEZZA_KEA_WITH_FORTEZZA_CBC_SHA"},
 173     {0x001E, "SSL_FORTEZZA_KEA_WITH_RC4_128_SHA"},
 174     {0x001F, "TLS_KRB5_WITH_3DES_EDE_CBC_SHA"},
 175     {0x0020, "TLS_KRB5_WITH_RC4_128_SHA"},
 176     {0x0021, "TLS_KRB5_WITH_IDEA_CBC_SHA"},
 177     {0x0022, "TLS_KRB5_WITH_DES_CBC_MD5"},
 178     {0x0023, "TLS_KRB5_WITH_3DES_EDE_CBC_MD5"},
 179     {0x0024, "TLS_KRB5_WITH_RC4_128_MD5"},
 180     {0x0025, "TLS_KRB5_WITH_IDEA_CBC_MD5"},
 181     {0x0026, "TLS_KRB5_EXPORT_WITH_DES_CBC_40_SHA"},
 182     {0x0027, "TLS_KRB5_EXPORT_WITH_RC2_CBC_40_SHA"},
 183     {0x0028, "TLS_KRB5_EXPORT_WITH_RC4_40_SHA"},
 184     {0x0029, "TLS_KRB5_EXPORT_WITH_DES_CBC_40_MD5"},
 185     {0x002A, "TLS_KRB5_EXPORT_WITH_RC2_CBC_40_MD5"},
 186     {0x002B, "TLS_KRB5_EXPORT_WITH_RC4_40_MD5"},
 187     {0x002C, "TLS_PSK_WITH_NULL_SHA"},
 188     {0x002D, "TLS_DHE_PSK_WITH_NULL_SHA"},
 189     {0x002E, "TLS_RSA_PSK_WITH_NULL_SHA"},
 190     {0x002F, "TLS_RSA_WITH_AES_128_CBC_SHA"},
 191     {0x0030, "TLS_DH_DSS_WITH_AES_128_CBC_SHA"},
 192     {0x0031, "TLS_DH_RSA_WITH_AES_128_CBC_SHA"},
 193     {0x0032, "TLS_DHE_DSS_WITH_AES_128_CBC_SHA"},
 194     {0x0033, "TLS_DHE_RSA_WITH_AES_128_CBC_SHA"},
 195     {0x0034, "TLS_DH_anon_WITH_AES_128_CBC_SHA"},
 196     {0x0035, "TLS_RSA_WITH_AES_256_CBC_SHA"},
 197     {0x0036, "TLS_DH_DSS_WITH_AES_256_CBC_SHA"},
 198     {0x0037, "TLS_DH_RSA_WITH_AES_256_CBC_SHA"},
 199     {0x0038, "TLS_DHE_DSS_WITH_AES_256_CBC_SHA"},
 200     {0x0039, "TLS_DHE_RSA_WITH_AES_256_CBC_SHA"},
 201     {0x003A, "TLS_DH_anon_WITH_AES_256_CBC_SHA"},
 202     {0x003B, "TLS_RSA_WITH_NULL_SHA256"},
 203     {0x003C, "TLS_RSA_WITH_AES_128_CBC_SHA256"},
 204     {0x003D, "TLS_RSA_WITH_AES_256_CBC_SHA256"},
 205     {0x003E, "TLS_DH_DSS_WITH_AES_128_CBC_SHA256"},
 206     {0x003F, "TLS_DH_RSA_WITH_AES_128_CBC_SHA256"},
 207     {0x0040, "TLS_DHE_DSS_WITH_AES_128_CBC_SHA256"},
 208     {0x0041, "TLS_RSA_WITH_CAMELLIA_128_CBC_SHA"},
 209     {0x0042, "TLS_DH_DSS_WITH_CAMELLIA_128_CBC_SHA"},
 210     {0x0043, "TLS_DH_RSA_WITH_CAMELLIA_128_CBC_SHA"},
 211     {0x0044, "TLS_DHE_DSS_WITH_CAMELLIA_128_CBC_SHA"},
 212     {0x0045, "TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA"},
 213     {0x0046, "TLS_DH_anon_WITH_CAMELLIA_128_CBC_SHA"},
 214     {0x0067, "TLS_DHE_RSA_WITH_AES_128_CBC_SHA256"},
 215     {0x0068, "TLS_DH_DSS_WITH_AES_256_CBC_SHA256"},
 216     {0x0069, "TLS_DH_RSA_WITH_AES_256_CBC_SHA256"},
 217     {0x006A, "TLS_DHE_DSS_WITH_AES_256_CBC_SHA256"},
 218     {0x006B, "TLS_DHE_RSA_WITH_AES_256_CBC_SHA256"},
 219     {0x006C, "TLS_DH_anon_WITH_AES_128_CBC_SHA256"},
 220     {0x006D, "TLS_DH_anon_WITH_AES_256_CBC_SHA256"},
 221     {0x0084, "TLS_RSA_WITH_CAMELLIA_256_CBC_SHA"},
 222     {0x0085, "TLS_DH_DSS_WITH_CAMELLIA_256_CBC_SHA"},
 223     {0x0086, "TLS_DH_RSA_WITH_CAMELLIA_256_CBC_SHA"},
 224     {0x0087, "TLS_DHE_DSS_WITH_CAMELLIA_256_CBC_SHA"},
 225     {0x0088, "TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA"},
 226     {0x0089, "TLS_DH_anon_WITH_CAMELLIA_256_CBC_SHA"},
 227     {0x008A, "TLS_PSK_WITH_RC4_128_SHA"},
 228     {0x008B, "TLS_PSK_WITH_3DES_EDE_CBC_SHA"},
 229     {0x008C, "TLS_PSK_WITH_AES_128_CBC_SHA"},
 230     {0x008D, "TLS_PSK_WITH_AES_256_CBC_SHA"},
 231     {0x008E, "TLS_DHE_PSK_WITH_RC4_128_SHA"},
 232     {0x008F, "TLS_DHE_PSK_WITH_3DES_EDE_CBC_SHA"},
 233     {0x0090, "TLS_DHE_PSK_WITH_AES_128_CBC_SHA"},
 234     {0x0091, "TLS_DHE_PSK_WITH_AES_256_CBC_SHA"},
 235     {0x0092, "TLS_RSA_PSK_WITH_RC4_128_SHA"},
 236     {0x0093, "TLS_RSA_PSK_WITH_3DES_EDE_CBC_SHA"},
 237     {0x0094, "TLS_RSA_PSK_WITH_AES_128_CBC_SHA"},
 238     {0x0095, "TLS_RSA_PSK_WITH_AES_256_CBC_SHA"},
 239     {0x0096, "TLS_RSA_WITH_SEED_CBC_SHA"},
 240     {0x0097, "TLS_DH_DSS_WITH_SEED_CBC_SHA"},
 241     {0x0098, "TLS_DH_RSA_WITH_SEED_CBC_SHA"},
 242     {0x0099, "TLS_DHE_DSS_WITH_SEED_CBC_SHA"},
 243     {0x009A, "TLS_DHE_RSA_WITH_SEED_CBC_SHA"},
 244     {0x009B, "TLS_DH_anon_WITH_SEED_CBC_SHA"},
 245     {0x009C, "TLS_RSA_WITH_AES_128_GCM_SHA256"},
 246     {0x009D, "TLS_RSA_WITH_AES_256_GCM_SHA384"},
 247     {0x009E, "TLS_DHE_RSA_WITH_AES_128_GCM_SHA256"},
 248     {0x009F, "TLS_DHE_RSA_WITH_AES_256_GCM_SHA384"},
 249     {0x00A0, "TLS_DH_RSA_WITH_AES_128_GCM_SHA256"},
 250     {0x00A1, "TLS_DH_RSA_WITH_AES_256_GCM_SHA384"},
 251     {0x00A2, "TLS_DHE_DSS_WITH_AES_128_GCM_SHA256"},
 252     {0x00A3, "TLS_DHE_DSS_WITH_AES_256_GCM_SHA384"},
 253     {0x00A4, "TLS_DH_DSS_WITH_AES_128_GCM_SHA256"},
 254     {0x00A5, "TLS_DH_DSS_WITH_AES_256_GCM_SHA384"},
 255     {0x00A6, "TLS_DH_anon_WITH_AES_128_GCM_SHA256"},
 256     {0x00A7, "TLS_DH_anon_WITH_AES_256_GCM_SHA384"},
 257     {0x00A8, "TLS_PSK_WITH_AES_128_GCM_SHA256"},
 258     {0x00A9, "TLS_PSK_WITH_AES_256_GCM_SHA384"},
 259     {0x00AA, "TLS_DHE_PSK_WITH_AES_128_GCM_SHA256"},
 260     {0x00AB, "TLS_DHE_PSK_WITH_AES_256_GCM_SHA384"},
 261     {0x00AC, "TLS_RSA_PSK_WITH_AES_128_GCM_SHA256"},
 262     {0x00AD, "TLS_RSA_PSK_WITH_AES_256_GCM_SHA384"},
 263     {0x00AE, "TLS_PSK_WITH_AES_128_CBC_SHA256"},
 264     {0x00AF, "TLS_PSK_WITH_AES_256_CBC_SHA384"},
 265     {0x00B0, "TLS_PSK_WITH_NULL_SHA256"},
 266     {0x00B1, "TLS_PSK_WITH_NULL_SHA384"},
 267     {0x00B2, "TLS_DHE_PSK_WITH_AES_128_CBC_SHA256"},
 268     {0x00B3, "TLS_DHE_PSK_WITH_AES_256_CBC_SHA384"},
 269     {0x00B4, "TLS_DHE_PSK_WITH_NULL_SHA256"},
 270     {0x00B5, "TLS_DHE_PSK_WITH_NULL_SHA384"},
 271     {0x00B6, "TLS_RSA_PSK_WITH_AES_128_CBC_SHA256"},
 272     {0x00B7, "TLS_RSA_PSK_WITH_AES_256_CBC_SHA384"},
 273     {0x00B8, "TLS_RSA_PSK_WITH_NULL_SHA256"},
 274     {0x00B9, "TLS_RSA_PSK_WITH_NULL_SHA384"},
 275     {0x00BA, "TLS_RSA_WITH_CAMELLIA_128_CBC_SHA256"},
 276     {0x00BB, "TLS_DH_DSS_WITH_CAMELLIA_128_CBC_SHA256"},
 277     {0x00BC, "TLS_DH_RSA_WITH_CAMELLIA_128_CBC_SHA256"},
 278     {0x00BD, "TLS_DHE_DSS_WITH_CAMELLIA_128_CBC_SHA256"},
 279     {0x00BE, "TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA256"},
 280     {0x00BF, "TLS_DH_anon_WITH_CAMELLIA_128_CBC_SHA256"},
 281     {0x00C0, "TLS_RSA_WITH_CAMELLIA_256_CBC_SHA256"},
 282     {0x00C1, "TLS_DH_DSS_WITH_CAMELLIA_256_CBC_SHA256"},
 283     {0x00C2, "TLS_DH_RSA_WITH_CAMELLIA_256_CBC_SHA256"},
 284     {0x00C3, "TLS_DHE_DSS_WITH_CAMELLIA_256_CBC_SHA256"},
 285     {0x00C4, "TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA256"},
 286     {0x00C5, "TLS_DH_anon_WITH_CAMELLIA_256_CBC_SHA256"},
 287     {0x00FF, "TLS_EMPTY_RENEGOTIATION_INFO_SCSV"},
 288     {0x5600, "TLS_FALLBACK_SCSV"},
 289     {0xC001, "TLS_ECDH_ECDSA_WITH_NULL_SHA"},
 290     {0xC002, "TLS_ECDH_ECDSA_WITH_RC4_128_SHA"},
 291     {0xC003, "TLS_ECDH_ECDSA_WITH_3DES_EDE_CBC_SHA"},
 292     {0xC004, "TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA"},
 293     {0xC005, "TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA"},
 294     {0xC006, "TLS_ECDHE_ECDSA_WITH_NULL_SHA"},
 295     {0xC007, "TLS_ECDHE_ECDSA_WITH_RC4_128_SHA"},
 296     {0xC008, "TLS_ECDHE_ECDSA_WITH_3DES_EDE_CBC_SHA"},
 297     {0xC009, "TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA"},
 298     {0xC00A, "TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA"},
 299     {0xC00B, "TLS_ECDH_RSA_WITH_NULL_SHA"},
 300     {0xC00C, "TLS_ECDH_RSA_WITH_RC4_128_SHA"},
 301     {0xC00D, "TLS_ECDH_RSA_WITH_3DES_EDE_CBC_SHA"},
 302     {0xC00E, "TLS_ECDH_RSA_WITH_AES_128_CBC_SHA"},
 303     {0xC00F, "TLS_ECDH_RSA_WITH_AES_256_CBC_SHA"},
 304     {0xC010, "TLS_ECDHE_RSA_WITH_NULL_SHA"},
 305     {0xC011, "TLS_ECDHE_RSA_WITH_RC4_128_SHA"},
 306     {0xC012, "TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA"},
 307     {0xC013, "TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA"},
 308     {0xC014, "TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA"},
 309     {0xC015, "TLS_ECDH_anon_WITH_NULL_SHA"},
 310     {0xC016, "TLS_ECDH_anon_WITH_RC4_128_SHA"},
 311     {0xC017, "TLS_ECDH_anon_WITH_3DES_EDE_CBC_SHA"},
 312     {0xC018, "TLS_ECDH_anon_WITH_AES_128_CBC_SHA"},
 313     {0xC019, "TLS_ECDH_anon_WITH_AES_256_CBC_SHA"},
 314     {0xC01A, "TLS_SRP_SHA_WITH_3DES_EDE_CBC_SHA"},
 315     {0xC01B, "TLS_SRP_SHA_RSA_WITH_3DES_EDE_CBC_SHA"},
 316     {0xC01C, "TLS_SRP_SHA_DSS_WITH_3DES_EDE_CBC_SHA"},
 317     {0xC01D, "TLS_SRP_SHA_WITH_AES_128_CBC_SHA"},
 318     {0xC01E, "TLS_SRP_SHA_RSA_WITH_AES_128_CBC_SHA"},
 319     {0xC01F, "TLS_SRP_SHA_DSS_WITH_AES_128_CBC_SHA"},
 320     {0xC020, "TLS_SRP_SHA_WITH_AES_256_CBC_SHA"},
 321     {0xC021, "TLS_SRP_SHA_RSA_WITH_AES_256_CBC_SHA"},
 322     {0xC022, "TLS_SRP_SHA_DSS_WITH_AES_256_CBC_SHA"},
 323     {0xC023, "TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256"},
 324     {0xC024, "TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384"},
 325     {0xC025, "TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA256"},
 326     {0xC026, "TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA384"},
 327     {0xC027, "TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256"},
 328     {0xC028, "TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384"},
 329     {0xC029, "TLS_ECDH_RSA_WITH_AES_128_CBC_SHA256"},
 330     {0xC02A, "TLS_ECDH_RSA_WITH_AES_256_CBC_SHA384"},
 331     {0xC02B, "TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256"},
 332     {0xC02C, "TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384"},
 333     {0xC02D, "TLS_ECDH_ECDSA_WITH_AES_128_GCM_SHA256"},
 334     {0xC02E, "TLS_ECDH_ECDSA_WITH_AES_256_GCM_SHA384"},
 335     {0xC02F, "TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256"},
 336     {0xC030, "TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384"},
 337     {0xC031, "TLS_ECDH_RSA_WITH_AES_128_GCM_SHA256"},
 338     {0xC032, "TLS_ECDH_RSA_WITH_AES_256_GCM_SHA384"},
 339     {0xC033, "TLS_ECDHE_PSK_WITH_RC4_128_SHA"},
 340     {0xC034, "TLS_ECDHE_PSK_WITH_3DES_EDE_CBC_SHA"},
 341     {0xC035, "TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA"},
 342     {0xC036, "TLS_ECDHE_PSK_WITH_AES_256_CBC_SHA"},
 343     {0xC037, "TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA256"},
 344     {0xC038, "TLS_ECDHE_PSK_WITH_AES_256_CBC_SHA384"},
 345     {0xC039, "TLS_ECDHE_PSK_WITH_NULL_SHA"},
 346     {0xC03A, "TLS_ECDHE_PSK_WITH_NULL_SHA256"},
 347     {0xC03B, "TLS_ECDHE_PSK_WITH_NULL_SHA384"},
 348     {0xC03C, "TLS_RSA_WITH_ARIA_128_CBC_SHA256"},
 349     {0xC03D, "TLS_RSA_WITH_ARIA_256_CBC_SHA384"},
 350     {0xC03E, "TLS_DH_DSS_WITH_ARIA_128_CBC_SHA256"},
 351     {0xC03F, "TLS_DH_DSS_WITH_ARIA_256_CBC_SHA384"},
 352     {0xC040, "TLS_DH_RSA_WITH_ARIA_128_CBC_SHA256"},
 353     {0xC041, "TLS_DH_RSA_WITH_ARIA_256_CBC_SHA384"},
 354     {0xC042, "TLS_DHE_DSS_WITH_ARIA_128_CBC_SHA256"},
 355     {0xC043, "TLS_DHE_DSS_WITH_ARIA_256_CBC_SHA384"},
 356     {0xC044, "TLS_DHE_RSA_WITH_ARIA_128_CBC_SHA256"},
 357     {0xC045, "TLS_DHE_RSA_WITH_ARIA_256_CBC_SHA384"},
 358     {0xC046, "TLS_DH_anon_WITH_ARIA_128_CBC_SHA256"},
 359     {0xC047, "TLS_DH_anon_WITH_ARIA_256_CBC_SHA384"},
 360     {0xC048, "TLS_ECDHE_ECDSA_WITH_ARIA_128_CBC_SHA256"},
 361     {0xC049, "TLS_ECDHE_ECDSA_WITH_ARIA_256_CBC_SHA384"},
 362     {0xC04A, "TLS_ECDH_ECDSA_WITH_ARIA_128_CBC_SHA256"},
 363     {0xC04B, "TLS_ECDH_ECDSA_WITH_ARIA_256_CBC_SHA384"},
 364     {0xC04C, "TLS_ECDHE_RSA_WITH_ARIA_128_CBC_SHA256"},
 365     {0xC04D, "TLS_ECDHE_RSA_WITH_ARIA_256_CBC_SHA384"},
 366     {0xC04E, "TLS_ECDH_RSA_WITH_ARIA_128_CBC_SHA256"},
 367     {0xC04F, "TLS_ECDH_RSA_WITH_ARIA_256_CBC_SHA384"},
 368     {0xC050, "TLS_RSA_WITH_ARIA_128_GCM_SHA256"},
 369     {0xC051, "TLS_RSA_WITH_ARIA_256_GCM_SHA384"},
 370     {0xC052, "TLS_DHE_RSA_WITH_ARIA_128_GCM_SHA256"},
 371     {0xC053, "TLS_DHE_RSA_WITH_ARIA_256_GCM_SHA384"},
 372     {0xC054, "TLS_DH_RSA_WITH_ARIA_128_GCM_SHA256"},
 373     {0xC055, "TLS_DH_RSA_WITH_ARIA_256_GCM_SHA384"},
 374     {0xC056, "TLS_DHE_DSS_WITH_ARIA_128_GCM_SHA256"},
 375     {0xC057, "TLS_DHE_DSS_WITH_ARIA_256_GCM_SHA384"},
 376     {0xC058, "TLS_DH_DSS_WITH_ARIA_128_GCM_SHA256"},
 377     {0xC059, "TLS_DH_DSS_WITH_ARIA_256_GCM_SHA384"},
 378     {0xC05A, "TLS_DH_anon_WITH_ARIA_128_GCM_SHA256"},
 379     {0xC05B, "TLS_DH_anon_WITH_ARIA_256_GCM_SHA384"},
 380     {0xC05C, "TLS_ECDHE_ECDSA_WITH_ARIA_128_GCM_SHA256"},
 381     {0xC05D, "TLS_ECDHE_ECDSA_WITH_ARIA_256_GCM_SHA384"},
 382     {0xC05E, "TLS_ECDH_ECDSA_WITH_ARIA_128_GCM_SHA256"},
 383     {0xC05F, "TLS_ECDH_ECDSA_WITH_ARIA_256_GCM_SHA384"},
 384     {0xC060, "TLS_ECDHE_RSA_WITH_ARIA_128_GCM_SHA256"},
 385     {0xC061, "TLS_ECDHE_RSA_WITH_ARIA_256_GCM_SHA384"},
 386     {0xC062, "TLS_ECDH_RSA_WITH_ARIA_128_GCM_SHA256"},
 387     {0xC063, "TLS_ECDH_RSA_WITH_ARIA_256_GCM_SHA384"},
 388     {0xC064, "TLS_PSK_WITH_ARIA_128_CBC_SHA256"},
 389     {0xC065, "TLS_PSK_WITH_ARIA_256_CBC_SHA384"},
 390     {0xC066, "TLS_DHE_PSK_WITH_ARIA_128_CBC_SHA256"},
 391     {0xC067, "TLS_DHE_PSK_WITH_ARIA_256_CBC_SHA384"},
 392     {0xC068, "TLS_RSA_PSK_WITH_ARIA_128_CBC_SHA256"},
 393     {0xC069, "TLS_RSA_PSK_WITH_ARIA_256_CBC_SHA384"},
 394     {0xC06A, "TLS_PSK_WITH_ARIA_128_GCM_SHA256"},
 395     {0xC06B, "TLS_PSK_WITH_ARIA_256_GCM_SHA384"},
 396     {0xC06C, "TLS_DHE_PSK_WITH_ARIA_128_GCM_SHA256"},
 397     {0xC06D, "TLS_DHE_PSK_WITH_ARIA_256_GCM_SHA384"},
 398     {0xC06E, "TLS_RSA_PSK_WITH_ARIA_128_GCM_SHA256"},
 399     {0xC06F, "TLS_RSA_PSK_WITH_ARIA_256_GCM_SHA384"},
 400     {0xC070, "TLS_ECDHE_PSK_WITH_ARIA_128_CBC_SHA256"},
 401     {0xC071, "TLS_ECDHE_PSK_WITH_ARIA_256_CBC_SHA384"},
 402     {0xC072, "TLS_ECDHE_ECDSA_WITH_CAMELLIA_128_CBC_SHA256"},
 403     {0xC073, "TLS_ECDHE_ECDSA_WITH_CAMELLIA_256_CBC_SHA384"},
 404     {0xC074, "TLS_ECDH_ECDSA_WITH_CAMELLIA_128_CBC_SHA256"},
 405     {0xC075, "TLS_ECDH_ECDSA_WITH_CAMELLIA_256_CBC_SHA384"},
 406     {0xC076, "TLS_ECDHE_RSA_WITH_CAMELLIA_128_CBC_SHA256"},
 407     {0xC077, "TLS_ECDHE_RSA_WITH_CAMELLIA_256_CBC_SHA384"},
 408     {0xC078, "TLS_ECDH_RSA_WITH_CAMELLIA_128_CBC_SHA256"},
 409     {0xC079, "TLS_ECDH_RSA_WITH_CAMELLIA_256_CBC_SHA384"},
 410     {0xC07A, "TLS_RSA_WITH_CAMELLIA_128_GCM_SHA256"},
 411     {0xC07B, "TLS_RSA_WITH_CAMELLIA_256_GCM_SHA384"},
 412     {0xC07C, "TLS_DHE_RSA_WITH_CAMELLIA_128_GCM_SHA256"},
 413     {0xC07D, "TLS_DHE_RSA_WITH_CAMELLIA_256_GCM_SHA384"},
 414     {0xC07E, "TLS_DH_RSA_WITH_CAMELLIA_128_GCM_SHA256"},
 415     {0xC07F, "TLS_DH_RSA_WITH_CAMELLIA_256_GCM_SHA384"},
 416     {0xC080, "TLS_DHE_DSS_WITH_CAMELLIA_128_GCM_SHA256"},
 417     {0xC081, "TLS_DHE_DSS_WITH_CAMELLIA_256_GCM_SHA384"},
 418     {0xC082, "TLS_DH_DSS_WITH_CAMELLIA_128_GCM_SHA256"},
 419     {0xC083, "TLS_DH_DSS_WITH_CAMELLIA_256_GCM_SHA384"},
 420     {0xC084, "TLS_DH_anon_WITH_CAMELLIA_128_GCM_SHA256"},
 421     {0xC085, "TLS_DH_anon_WITH_CAMELLIA_256_GCM_SHA384"},
 422     {0xC086, "TLS_ECDHE_ECDSA_WITH_CAMELLIA_128_GCM_SHA256"},
 423     {0xC087, "TLS_ECDHE_ECDSA_WITH_CAMELLIA_256_GCM_SHA384"},
 424     {0xC088, "TLS_ECDH_ECDSA_WITH_CAMELLIA_128_GCM_SHA256"},
 425     {0xC089, "TLS_ECDH_ECDSA_WITH_CAMELLIA_256_GCM_SHA384"},
 426     {0xC08A, "TLS_ECDHE_RSA_WITH_CAMELLIA_128_GCM_SHA256"},
 427     {0xC08B, "TLS_ECDHE_RSA_WITH_CAMELLIA_256_GCM_SHA384"},
 428     {0xC08C, "TLS_ECDH_RSA_WITH_CAMELLIA_128_GCM_SHA256"},
 429     {0xC08D, "TLS_ECDH_RSA_WITH_CAMELLIA_256_GCM_SHA384"},
 430     {0xC08E, "TLS_PSK_WITH_CAMELLIA_128_GCM_SHA256"},
 431     {0xC08F, "TLS_PSK_WITH_CAMELLIA_256_GCM_SHA384"},
 432     {0xC090, "TLS_DHE_PSK_WITH_CAMELLIA_128_GCM_SHA256"},
 433     {0xC091, "TLS_DHE_PSK_WITH_CAMELLIA_256_GCM_SHA384"},
 434     {0xC092, "TLS_RSA_PSK_WITH_CAMELLIA_128_GCM_SHA256"},
 435     {0xC093, "TLS_RSA_PSK_WITH_CAMELLIA_256_GCM_SHA384"},
 436     {0xC094, "TLS_PSK_WITH_CAMELLIA_128_CBC_SHA256"},
 437     {0xC095, "TLS_PSK_WITH_CAMELLIA_256_CBC_SHA384"},
 438     {0xC096, "TLS_DHE_PSK_WITH_CAMELLIA_128_CBC_SHA256"},
 439     {0xC097, "TLS_DHE_PSK_WITH_CAMELLIA_256_CBC_SHA384"},
 440     {0xC098, "TLS_RSA_PSK_WITH_CAMELLIA_128_CBC_SHA256"},
 441     {0xC099, "TLS_RSA_PSK_WITH_CAMELLIA_256_CBC_SHA384"},
 442     {0xC09A, "TLS_ECDHE_PSK_WITH_CAMELLIA_128_CBC_SHA256"},
 443     {0xC09B, "TLS_ECDHE_PSK_WITH_CAMELLIA_256_CBC_SHA384"},
 444     {0xC09C, "TLS_RSA_WITH_AES_128_CCM"},
 445     {0xC09D, "TLS_RSA_WITH_AES_256_CCM"},
 446     {0xC09E, "TLS_DHE_RSA_WITH_AES_128_CCM"},
 447     {0xC09F, "TLS_DHE_RSA_WITH_AES_256_CCM"},
 448     {0xC0A0, "TLS_RSA_WITH_AES_128_CCM_8"},
 449     {0xC0A1, "TLS_RSA_WITH_AES_256_CCM_8"},
 450     {0xC0A2, "TLS_DHE_RSA_WITH_AES_128_CCM_8"},
 451     {0xC0A3, "TLS_DHE_RSA_WITH_AES_256_CCM_8"},
 452     {0xC0A4, "TLS_PSK_WITH_AES_128_CCM"},
 453     {0xC0A5, "TLS_PSK_WITH_AES_256_CCM"},
 454     {0xC0A6, "TLS_DHE_PSK_WITH_AES_128_CCM"},
 455     {0xC0A7, "TLS_DHE_PSK_WITH_AES_256_CCM"},
 456     {0xC0A8, "TLS_PSK_WITH_AES_128_CCM_8"},
 457     {0xC0A9, "TLS_PSK_WITH_AES_256_CCM_8"},
 458     {0xC0AA, "TLS_PSK_DHE_WITH_AES_128_CCM_8"},
 459     {0xC0AB, "TLS_PSK_DHE_WITH_AES_256_CCM_8"},
 460     {0xC0AC, "TLS_ECDHE_ECDSA_WITH_AES_128_CCM"},
 461     {0xC0AD, "TLS_ECDHE_ECDSA_WITH_AES_256_CCM"},
 462     {0xC0AE, "TLS_ECDHE_ECDSA_WITH_AES_128_CCM_8"},
 463     {0xC0AF, "TLS_ECDHE_ECDSA_WITH_AES_256_CCM_8"},
 464     {0xFEFE, "SSL_RSA_FIPS_WITH_DES_CBC_SHA"},
 465     {0xFEFF, "SSL_RSA_FIPS_WITH_3DES_EDE_CBC_SHA"},
 466 };
 467
 468 /* Compression methods */
 469 static ssl_trace_tbl ssl_comp_tbl[] = {
 470     {0x0000, "No Compression"},
 471     {0x0001, "Zlib Compression"}
 472 };
 473
 474 /* Extensions */
 475 static ssl_trace_tbl ssl_exts_tbl[] = {
 476     {TLSEXT_TYPE_server_name, "server_name"},
 477     {TLSEXT_TYPE_max_fragment_length, "max_fragment_length"},
 478     {TLSEXT_TYPE_client_certificate_url, "client_certificate_url"},
 479     {TLSEXT_TYPE_trusted_ca_keys, "trusted_ca_keys"},
 480     {TLSEXT_TYPE_truncated_hmac, "truncated_hmac"},
 481     {TLSEXT_TYPE_status_request, "status_request"},
 482     {TLSEXT_TYPE_user_mapping, "user_mapping"},
 483     {TLSEXT_TYPE_client_authz, "client_authz"},
 484     {TLSEXT_TYPE_server_authz, "server_authz"},
 485     {TLSEXT_TYPE_cert_type, "cert_type"},
 486     {TLSEXT_TYPE_elliptic_curves, "elliptic_curves"},
 487     {TLSEXT_TYPE_ec_point_formats, "ec_point_formats"},
 488     {TLSEXT_TYPE_srp, "srp"},
 489     {TLSEXT_TYPE_signature_algorithms, "signature_algorithms"},
 490     {TLSEXT_TYPE_use_srtp, "use_srtp"},
 491     {TLSEXT_TYPE_heartbeat, "heartbeat"},
 492     {TLSEXT_TYPE_session_ticket, "session_ticket"},
 493     {TLSEXT_TYPE_renegotiate, "renegotiate"},
 494     {TLSEXT_TYPE_next_proto_neg, "next_proto_neg"},
 495     {TLSEXT_TYPE_padding, "padding"},
 496     {TLSEXT_TYPE_encrypt_then_mac, "encrypt_then_mac"},
 497     {TLSEXT_TYPE_extended_master_secret, "extended_master_secret"}
 498 };
 499
 500 static ssl_trace_tbl ssl_curve_tbl[] = {
 501     {1, "sect163k1 (K-163)"},
 502     {2, "sect163r1"},
 503     {3, "sect163r2 (B-163)"},
 504     {4, "sect193r1"},
 505     {5, "sect193r2"},
 506     {6, "sect233k1 (K-233)"},
 507     {7, "sect233r1 (B-233)"},
 508     {8, "sect239k1"},
 509     {9, "sect283k1 (K-283)"},
 510     {10, "sect283r1 (B-283)"},
 511     {11, "sect409k1 (K-409)"},
 512     {12, "sect409r1 (B-409)"},
 513     {13, "sect571k1 (K-571)"},
 514     {14, "sect571r1 (B-571)"},
 515     {15, "secp160k1"},
 516     {16, "secp160r1"},
 517     {17, "secp160r2"},
 518     {18, "secp192k1"},
 519     {19, "secp192r1 (P-192)"},
 520     {20, "secp224k1"},
 521     {21, "secp224r1 (P-224)"},
 522     {22, "secp256k1"},
 523     {23, "secp256r1 (P-256)"},
 524     {24, "secp384r1 (P-384)"},
 525     {25, "secp521r1 (P-521)"},
 526     {26, "brainpoolP256r1"},
 527     {27, "brainpoolP384r1"},
 528     {28, "brainpoolP512r1"},
 529     {0xFF01, "arbitrary_explicit_prime_curves"},
 530     {0xFF02, "arbitrary_explicit_char2_curves"}
 531 };
 532
 533 static ssl_trace_tbl ssl_point_tbl[] = {
 534     {0, "uncompressed"},
 535     {1, "ansiX962_compressed_prime"},
 536     {2, "ansiX962_compressed_char2"}
 537 };
 538
 539 static ssl_trace_tbl ssl_md_tbl[] = {
 540     {TLSEXT_hash_none, "none"},
 541     {TLSEXT_hash_md5, "md5"},
 542     {TLSEXT_hash_sha1, "sha1"},
 543     {TLSEXT_hash_sha224, "sha224"},
 544     {TLSEXT_hash_sha256, "sha256"},
 545     {TLSEXT_hash_sha384, "sha384"},
 546     {TLSEXT_hash_sha512, "sha512"},
 547     {TLSEXT_hash_gostr3411, "md_gost94"},
 548     {TLSEXT_hash_gostr34112012_256, "md_gost2012_256"},
 549     {TLSEXT_hash_gostr34112012_512, "md_gost2012_512"}
 550 };
 551
 552 static ssl_trace_tbl ssl_sig_tbl[] = {
 553     {TLSEXT_signature_anonymous, "anonymous"},
 554     {TLSEXT_signature_rsa, "rsa"},
 555     {TLSEXT_signature_dsa, "dsa"},
 556     {TLSEXT_signature_ecdsa, "ecdsa"},
 557     {TLSEXT_signature_gostr34102001, "gost2001"},
 558     {TLSEXT_signature_gostr34102012_256, "gost2012_256"},
 559     {TLSEXT_signature_gostr34102012_512, "gost2012_512"}
 560 };
 561
 562 static ssl_trace_tbl ssl_hb_tbl[] = {
 563     {1, "peer_allowed_to_send"},
 564     {2, "peer_not_allowed_to_send"}
 565 };
 566
 567 static ssl_trace_tbl ssl_hb_type_tbl[] = {
 568     {1, "heartbeat_request"},
 569     {2, "heartbeat_response"}
 570 };
 571
 572 static ssl_trace_tbl ssl_ctype_tbl[] = {
 573     {1, "rsa_sign"},
 574     {2, "dss_sign"},
 575     {3, "rsa_fixed_dh"},
 576     {4, "dss_fixed_dh"},
 577     {5, "rsa_ephemeral_dh"},
 578     {6, "dss_ephemeral_dh"},
 579     {20, "fortezza_dms"},
 580     {64, "ecdsa_sign"},
 581     {65, "rsa_fixed_ecdh"},
 582     {66, "ecdsa_fixed_ecdh"}
 583 };
 584
 585 static ssl_trace_tbl ssl_crypto_tbl[] = {
 586     {TLS1_RT_CRYPTO_PREMASTER, "Premaster Secret"},
 587     {TLS1_RT_CRYPTO_CLIENT_RANDOM, "Client Random"},
 588     {TLS1_RT_CRYPTO_SERVER_RANDOM, "Server Random"},
 589     {TLS1_RT_CRYPTO_MASTER, "Master Secret"},
 590     {TLS1_RT_CRYPTO_MAC | TLS1_RT_CRYPTO_WRITE, "Write Mac Secret"},
 591     {TLS1_RT_CRYPTO_MAC | TLS1_RT_CRYPTO_READ, "Read Mac Secret"},
 592     {TLS1_RT_CRYPTO_KEY | TLS1_RT_CRYPTO_WRITE, "Write Key"},
 593     {TLS1_RT_CRYPTO_KEY | TLS1_RT_CRYPTO_READ, "Read Key"},
 594     {TLS1_RT_CRYPTO_IV | TLS1_RT_CRYPTO_WRITE, "Write IV"},
 595     {TLS1_RT_CRYPTO_IV | TLS1_RT_CRYPTO_READ, "Read IV"},
 596     {TLS1_RT_CRYPTO_FIXED_IV | TLS1_RT_CRYPTO_WRITE, "Write IV (fixed part)"},
 597     {TLS1_RT_CRYPTO_FIXED_IV | TLS1_RT_CRYPTO_READ, "Read IV (fixed part)"}
 598 };
 599
 600 static void ssl_print_hex(BIO *bio, int indent, const char *name,
 601                           const unsigned char *msg, size_t msglen)
 602 {
 603     size_t i;
 604     BIO_indent(bio, indent, 80);
 605     BIO_printf(bio, "%s (len=%d): ", name, (int)msglen);
 606     for (i = 0; i < msglen; i++)
 607         BIO_printf(bio, "%02X", msg[i]);
 608     BIO_puts(bio, "\n");
 609 }
 610
 611 static int ssl_print_hexbuf(BIO *bio, int indent,
 612                             const char *name, size_t nlen,
 613                             const unsigned char **pmsg, size_t *pmsglen)
 614 {
 615     size_t blen;
 616     const unsigned char *p = *pmsg;
 617     if (*pmsglen < nlen)
 618         return 0;
 619     blen = p[0];
 620     if (nlen > 1)
 621         blen = (blen << 8) | p[1];
 622     if (*pmsglen < nlen + blen)
 623         return 0;
 624     p += nlen;
 625     ssl_print_hex(bio, indent, name, p, blen);
 626     *pmsg += blen + nlen;
 627     *pmsglen -= blen + nlen;
 628     return 1;
 629 }
 630
 631 static int ssl_print_version(BIO *bio, int indent, const char *name,
 632                              const unsigned char **pmsg, size_t *pmsglen)
 633 {
 634     int vers;
 635     if (*pmsglen < 2)
 636         return 0;
 637     vers = ((*pmsg)[0] << 8) | (*pmsg)[1];
 638     BIO_indent(bio, indent, 80);
 639     BIO_printf(bio, "%s=0x%x (%s)\n",
 640                name, vers, ssl_trace_str(vers, ssl_version_tbl));
 641     *pmsg += 2;
 642     *pmsglen -= 2;
 643     return 1;
 644 }
 645
 646 static int ssl_print_random(BIO *bio, int indent,
 647                             const unsigned char **pmsg, size_t *pmsglen)
 648 {
 649     unsigned int tm;
 650     const unsigned char *p = *pmsg;
 651     if (*pmsglen < 32)
 652         return 0;
 653     tm = (p[0] << 24) | (p[1] << 16) | (p[2] << 8) | p[3];
 654     p += 4;
 655     BIO_indent(bio, indent, 80);
 656     BIO_puts(bio, "Random:\n");
 657     BIO_indent(bio, indent + 2, 80);
 658     BIO_printf(bio, "gmt_unix_time=0x%08X\n", tm);
 659     ssl_print_hex(bio, indent + 2, "random_bytes", p, 28);
 660     *pmsg += 32;
 661     *pmsglen -= 32;
 662     return 1;
 663 }
 664
 665 static int ssl_print_signature(BIO *bio, int indent, SSL *s,
 666                                const unsigned char **pmsg, size_t *pmsglen)
 667 {
 668     if (*pmsglen < 2)
 669         return 0;
 670     if (SSL_USE_SIGALGS(s)) {
 671         const unsigned char *p = *pmsg;
 672         BIO_indent(bio, indent, 80);
 673         BIO_printf(bio, "Signature Algorithm %s+%s (%d+%d)\n",
 674                    ssl_trace_str(p[0], ssl_md_tbl),
 675                    ssl_trace_str(p[1], ssl_sig_tbl), p[0], p[1]);
 676         *pmsg += 2;
 677         *pmsglen -= 2;
 678     }
 679     return ssl_print_hexbuf(bio, indent, "Signature", 2, pmsg, pmsglen);
 680 }
 681
 682 static int ssl_print_extension(BIO *bio, int indent, int server, int extype,
 683                                const unsigned char *ext, size_t extlen)
 684 {
 685     size_t xlen;
 686     BIO_indent(bio, indent, 80);
 687     BIO_printf(bio, "extension_type=%s(%d), length=%d\n",
 688                ssl_trace_str(extype, ssl_exts_tbl), extype, (int)extlen);
 689     switch (extype) {
 690     case TLSEXT_TYPE_ec_point_formats:
 691         if (extlen < 1)
 692             return 0;
 693         xlen = ext[0];
 694         if (extlen != xlen + 1)
 695             return 0;
 696         return ssl_trace_list(bio, indent + 2,
 697                               ext + 1, xlen, 1, ssl_point_tbl);
 698
 699     case TLSEXT_TYPE_elliptic_curves:
 700         if (extlen < 2)
 701             return 0;
 702         xlen = (ext[0] << 8) | ext[1];
 703         if (extlen != xlen + 2)
 704             return 0;
 705         return ssl_trace_list(bio, indent + 2,
 706                               ext + 2, xlen, 2, ssl_curve_tbl);
 707
 708     case TLSEXT_TYPE_signature_algorithms:
 709
 710         if (extlen < 2)
 711             return 0;
 712         xlen = (ext[0] << 8) | ext[1];
 713         if (extlen != xlen + 2)
 714             return 0;
 715         if (xlen & 1)
 716             return 0;
 717         ext += 2;
 718         while (xlen > 0) {
 719             BIO_indent(bio, indent + 2, 80);
 720             BIO_printf(bio, "%s+%s (%d+%d)\n",
 721                        ssl_trace_str(ext[0], ssl_md_tbl),
 722                        ssl_trace_str(ext[1], ssl_sig_tbl), ext[0], ext[1]);
 723             xlen -= 2;
 724             ext += 2;
 725         }
 726         break;
 727
 728     case TLSEXT_TYPE_renegotiate:
 729         if (extlen < 1)
 730             return 0;
 731         xlen = ext[0];
 732         if (xlen + 1 != extlen)
 733             return 0;
 734         ext++;
 735         if (xlen) {
 736             if (server) {
 737                 if (xlen & 1)
 738                     return 0;
 739                 xlen >>= 1;
 740             }
 741             ssl_print_hex(bio, indent + 4, "client_verify_data", ext, xlen);
 742             if (server) {
 743                 ext += xlen;
 744                 ssl_print_hex(bio, indent + 4,
 745                               "server_verify_data", ext, xlen);
 746             }
 747         } else {
 748             BIO_indent(bio, indent + 4, 80);
 749             BIO_puts(bio, "<EMPTY>\n");
 750         }
 751         break;
 752
 753     case TLSEXT_TYPE_heartbeat:
 754         if (extlen != 1)
 755             return 0;
 756         BIO_indent(bio, indent + 2, 80);
 757         BIO_printf(bio, "HeartbeatMode: %s\n",
 758                    ssl_trace_str(ext[0], ssl_hb_tbl));
 759         break;
 760
 761     case TLSEXT_TYPE_session_ticket:
 762         if (extlen != 0)
 763             ssl_print_hex(bio, indent + 4, "ticket", ext, extlen);
 764         break;
 765
 766     default:
 767         BIO_dump_indent(bio, (char *)ext, extlen, indent + 2);
 768     }
 769     return 1;
 770 }
 771
 772 static int ssl_print_extensions(BIO *bio, int indent, int server,
 773                                 const unsigned char *msg, size_t msglen)
 774 {
 775     size_t extslen;
 776     BIO_indent(bio, indent, 80);
 777     if (msglen == 0) {
 778         BIO_puts(bio, "No Extensions\n");
 779         return 1;
 780     }
 781     extslen = (msg[0] << 8) | msg[1];
 782     if (extslen != msglen - 2)
 783         return 0;
 784     msg += 2;
 785     msglen = extslen;
 786     BIO_printf(bio, "extensions, length = %d\n", (int)msglen);
 787     while (msglen > 0) {
 788         int extype;
 789         size_t extlen;
 790         if (msglen < 4)
 791             return 0;
 792         extype = (msg[0] << 8) | msg[1];
 793         extlen = (msg[2] << 8) | msg[3];
 794         if (msglen < extlen + 4)
 795             return 0;
 796         msg += 4;
 797         if (!ssl_print_extension(bio, indent + 2, server,
 798                                  extype, msg, extlen))
 799             return 0;
 800         msg += extlen;
 801         msglen -= extlen + 4;
 802     }
 803     return 1;
 804 }
 805
 806 static int ssl_print_client_hello(BIO *bio, SSL *ssl, int indent,
 807                                   const unsigned char *msg, size_t msglen)
 808 {
 809     size_t len;
 810     unsigned int cs;
 811     if (!ssl_print_version(bio, indent, "client_version", &msg, &msglen))
 812         return 0;
 813     if (!ssl_print_random(bio, indent, &msg, &msglen))
 814         return 0;
 815     if (!ssl_print_hexbuf(bio, indent, "session_id", 1, &msg, &msglen))
 816         return 0;
 817     if (SSL_IS_DTLS(ssl)) {
 818         if (!ssl_print_hexbuf(bio, indent, "cookie", 1, &msg, &msglen))
 819             return 0;
 820     }
 821     if (msglen < 2)
 822         return 0;
 823     len = (msg[0] << 8) | msg[1];
 824     msg += 2;
 825     msglen -= 2;
 826     BIO_indent(bio, indent, 80);
 827     BIO_printf(bio, "cipher_suites (len=%d)\n", (int)len);
 828     if (msglen < len || len & 1)
 829         return 0;
 830     while (len > 0) {
 831         cs = (msg[0] << 8) | msg[1];
 832         BIO_indent(bio, indent + 2, 80);
 833         BIO_printf(bio, "{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         len -= 2;
 838     }
 839     if (msglen < 1)
 840         return 0;
 841     len = msg[0];
 842     msg++;
 843     msglen--;
 844     if (msglen < len)
 845         return 0;
 846     BIO_indent(bio, indent, 80);
 847     BIO_printf(bio, "compression_methods (len=%d)\n", (int)len);
 848     while (len > 0) {
 849         BIO_indent(bio, indent + 2, 80);
 850         BIO_printf(bio, "%s (0x%02X)\n",
 851                    ssl_trace_str(msg[0], ssl_comp_tbl), msg[0]);
 852         msg++;
 853         msglen--;
 854         len--;
 855     }
 856     if (!ssl_print_extensions(bio, indent, 0, msg, msglen))
 857         return 0;
 858     return 1;
 859 }
 860
 861 static int dtls_print_hello_vfyrequest(BIO *bio, int indent,
 862                                        const unsigned char *msg,
 863                                        size_t msglen)
 864 {
 865     if (!ssl_print_version(bio, indent, "server_version", &msg, &msglen))
 866         return 0;
 867     if (!ssl_print_hexbuf(bio, indent, "cookie", 1, &msg, &msglen))
 868         return 0;
 869     return 1;
 870 }
 871
 872 static int ssl_print_server_hello(BIO *bio, int indent,
 873                                   const unsigned char *msg, size_t msglen)
 874 {
 875     unsigned int cs;
 876     if (!ssl_print_version(bio, indent, "server_version", &msg, &msglen))
 877         return 0;
 878     if (!ssl_print_random(bio, indent, &msg, &msglen))
 879         return 0;
 880     if (!ssl_print_hexbuf(bio, indent, "session_id", 1, &msg, &msglen))
 881         return 0;
 882     if (msglen < 2)
 883         return 0;
 884     cs = (msg[0] << 8) | msg[1];
 885     BIO_indent(bio, indent, 80);
 886     BIO_printf(bio, "cipher_suite {0x%02X, 0x%02X} %s\n",
 887                msg[0], msg[1], ssl_trace_str(cs, ssl_ciphers_tbl));
 888     msg += 2;
 889     msglen -= 2;
 890     if (msglen < 1)
 891         return 0;
 892     BIO_indent(bio, indent, 80);
 893     BIO_printf(bio, "compression_method: %s (0x%02X)\n",
 894                ssl_trace_str(msg[0], ssl_comp_tbl), msg[0]);
 895     msg++;
 896     msglen--;
 897     if (!ssl_print_extensions(bio, indent, 1, msg, msglen))
 898         return 0;
 899     return 1;
 900 }
 901
 902 static int ssl_get_keyex(const char **pname, SSL *ssl)
 903 {
 904     unsigned long alg_k = ssl->s3->tmp.new_cipher->algorithm_mkey;
 905     if (alg_k & SSL_kRSA) {
 906         *pname = "rsa";
 907         return SSL_kRSA;
 908     }
 909     if (alg_k & SSL_kDHr) {
 910         *pname = "dh_rsa";
 911         return SSL_kDHr;
 912     }
 913     if (alg_k & SSL_kDHd) {
 914         *pname = "dh_dss";
 915         return SSL_kDHd;
 916     }
 917     if (alg_k & SSL_kDHE) {
 918         *pname = "DHE";
 919         return SSL_kDHE;
 920     }
 921     if (alg_k & SSL_kECDHE) {
 922         *pname = "ECDHE";
 923         return SSL_kECDHE;
 924     }
 925     if (alg_k & SSL_kECDHr) {
 926         *pname = "ECDH RSA";
 927         return SSL_kECDHr;
 928     }
 929     if (alg_k & SSL_kECDHe) {
 930         *pname = "ECDH ECDSA";
 931         return SSL_kECDHe;
 932     }
 933     if (alg_k & SSL_kPSK) {
 934         *pname = "PSK";
 935         return SSL_kPSK;
 936     }
 937     if (alg_k & SSL_kRSAPSK) {
 938         *pname = "RSAPSK";
 939         return SSL_kRSAPSK;
 940     }
 941     if (alg_k & SSL_kDHEPSK) {
 942         *pname = "DHEPSK";
 943         return SSL_kDHEPSK;
 944     }
 945     if (alg_k & SSL_kECDHEPSK) {
 946         *pname = "ECDHEPSK";
 947         return SSL_kECDHEPSK;
 948     }
 949     if (alg_k & SSL_kSRP) {
 950         *pname = "SRP";
 951         return SSL_kSRP;
 952     }
 953     if (alg_k & SSL_kGOST) {
 954         *pname = "GOST";
 955         return SSL_kGOST;
 956     }
 957     *pname = "UNKNOWN";
 958     return 0;
 959 }
 960
 961 static int ssl_print_client_keyex(BIO *bio, int indent, SSL *ssl,
 962                                   const unsigned char *msg, size_t msglen)
 963 {
 964     const char *algname;
 965     int id;
 966     id = ssl_get_keyex(&algname, ssl);
 967     BIO_indent(bio, indent, 80);
 968     BIO_printf(bio, "KeyExchangeAlgorithm=%s\n", algname);
 969     if (id & SSL_PSK) {
 970         if (!ssl_print_hexbuf(bio, indent + 2,
 971                               "psk_identity", 2, &msg, &msglen))
 972             return 0;
 973     }
 974     switch (id) {
 975
 976     case SSL_kRSA:
 977     case SSL_kRSAPSK:
 978         if (TLS1_get_version(ssl) == SSL3_VERSION) {
 979             ssl_print_hex(bio, indent + 2,
 980                           "EncyptedPreMasterSecret", msg, msglen);
 981         } else {
 982             if (!ssl_print_hexbuf(bio, indent + 2,
 983                                   "EncyptedPreMasterSecret", 2,
 984                                   &msg, &msglen))
 985                 return 0;
 986         }
 987         break;
 988
 989         /* Implicit parameters only allowed for static DH */
 990     case SSL_kDHd:
 991     case SSL_kDHr:
 992         if (msglen == 0) {
 993             BIO_indent(bio, indent + 2, 80);
 994             BIO_puts(bio, "implicit\n");
 995             break;
 996         }
 997     case SSL_kDHE:
 998     case SSL_kDHEPSK:
 999         if (!ssl_print_hexbuf(bio, indent + 2, "dh_Yc", 2, &msg, &msglen))
1000             return 0;
1001         break;
1002
1003     case SSL_kECDHr:
1004     case SSL_kECDHe:
1005         if (msglen == 0) {
1006             BIO_indent(bio, indent + 2, 80);
1007             BIO_puts(bio, "implicit\n");
1008             break;
1009         }
1010     case SSL_kECDHE:
1011     case SSL_kECDHEPSK:
1012         if (!ssl_print_hexbuf(bio, indent + 2, "ecdh_Yc", 1, &msg, &msglen))
1013             return 0;
1014         break;
1015
1016     }
1017
1018     return !msglen;
1019 }
1020
1021 static int ssl_print_server_keyex(BIO *bio, int indent, SSL *ssl,
1022                                   const unsigned char *msg, size_t msglen)
1023 {
1024     const char *algname;
1025     int id;
1026     id = ssl_get_keyex(&algname, ssl);
1027     BIO_indent(bio, indent, 80);
1028     BIO_printf(bio, "KeyExchangeAlgorithm=%s\n", algname);
1029     if (id & SSL_PSK) {
1030         if (!ssl_print_hexbuf(bio, indent + 2,
1031                               "psk_identity_hint", 2, &msg, &msglen))
1032             return 0;
1033     }
1034     switch (id) {
1035         /* Should never happen */
1036     case SSL_kDHd:
1037     case SSL_kDHr:
1038     case SSL_kECDHr:
1039     case SSL_kECDHe:
1040         BIO_indent(bio, indent + 2, 80);
1041         BIO_printf(bio, "Unexpected Message\n");
1042         break;
1043
1044     case SSL_kRSA:
1045
1046         if (!ssl_print_hexbuf(bio, indent + 2, "rsa_modulus", 2,
1047                               &msg, &msglen))
1048             return 0;
1049         if (!ssl_print_hexbuf(bio, indent + 2, "rsa_exponent", 2,
1050                               &msg, &msglen))
1051             return 0;
1052         break;
1053
1054     case SSL_kDHE:
1055     case SSL_kDHEPSK:
1056         if (!ssl_print_hexbuf(bio, indent + 2, "dh_p", 2, &msg, &msglen))
1057             return 0;
1058         if (!ssl_print_hexbuf(bio, indent + 2, "dh_g", 2, &msg, &msglen))
1059             return 0;
1060         if (!ssl_print_hexbuf(bio, indent + 2, "dh_Ys", 2, &msg, &msglen))
1061             return 0;
1062         break;
1063
1064     case SSL_kECDHE:
1065     case SSL_kECDHEPSK:
1066         if (msglen < 1)
1067             return 0;
1068         BIO_indent(bio, indent + 2, 80);
1069         if (msg[0] == EXPLICIT_PRIME_CURVE_TYPE)
1070             BIO_puts(bio, "explicit_prime\n");
1071         else if (msg[0] == EXPLICIT_CHAR2_CURVE_TYPE)
1072             BIO_puts(bio, "explicit_char2\n");
1073         else if (msg[0] == NAMED_CURVE_TYPE) {
1074             int curve;
1075             if (msglen < 3)
1076                 return 0;
1077             curve = (msg[1] << 8) | msg[2];
1078             BIO_printf(bio, "named_curve: %s (%d)\n",
1079                        ssl_trace_str(curve, ssl_curve_tbl), curve);
1080             msg += 3;
1081             msglen -= 3;
1082             if (!ssl_print_hexbuf(bio, indent + 2, "point", 1, &msg, &msglen))
1083                 return 0;
1084         } else {
1085             BIO_printf(bio, "UNKNOWN CURVE PARAMETER TYPE %d\n", msg[0]);
1086             return 0;
1087         }
1088         break;
1089
1090     case SSL_kPSK:
1091     case SSL_kRSAPSK:
1092         break;
1093     }
1094     if (!(id & SSL_PSK))
1095         ssl_print_signature(bio, indent, ssl, &msg, &msglen);
1096     return !msglen;
1097 }
1098
1099 static int ssl_print_certificate(BIO *bio, int indent,
1100                                  const unsigned char **pmsg, size_t *pmsglen)
1101 {
1102     size_t msglen = *pmsglen;
1103     size_t clen;
1104     X509 *x;
1105     const unsigned char *p = *pmsg, *q;
1106     if (msglen < 3)
1107         return 0;
1108     clen = (p[0] << 16) | (p[1] << 8) | p[2];
1109     if (msglen < clen + 3)
1110         return 0;
1111     q = p + 3;
1112     BIO_indent(bio, indent, 80);
1113     BIO_printf(bio, "ASN.1Cert, length=%d", (int)clen);
1114     x = d2i_X509(NULL, &q, clen);
1115     if (!x)
1116         BIO_puts(bio, "<UNPARSEABLE CERTIFICATE>\n");
1117     else {
1118         BIO_puts(bio, "\n------details-----\n");
1119         X509_print_ex(bio, x, XN_FLAG_ONELINE, 0);
1120         PEM_write_bio_X509(bio, x);
1121         /* Print certificate stuff */
1122         BIO_puts(bio, "------------------\n");
1123         X509_free(x);
1124     }
1125     if (q != p + 3 + clen) {
1126         BIO_puts(bio, "<TRAILING GARBAGE AFTER CERTIFICATE>\n");
1127     }
1128     *pmsg += clen + 3;
1129     *pmsglen -= clen + 3;
1130     return 1;
1131 }
1132
1133 static int ssl_print_certificates(BIO *bio, int indent,
1134                                   const unsigned char *msg, size_t msglen)
1135 {
1136     size_t clen;
1137     if (msglen < 3)
1138         return 0;
1139     clen = (msg[0] << 16) | (msg[1] << 8) | msg[2];
1140     if (msglen != clen + 3)
1141         return 0;
1142     msg += 3;
1143     BIO_indent(bio, indent, 80);
1144     BIO_printf(bio, "certificate_list, length=%d\n", (int)clen);
1145     while (clen > 0) {
1146         if (!ssl_print_certificate(bio, indent + 2, &msg, &clen))
1147             return 0;
1148     }
1149     return 1;
1150 }
1151
1152 static int ssl_print_cert_request(BIO *bio, int indent, SSL *s,
1153                                   const unsigned char *msg, size_t msglen)
1154 {
1155     size_t xlen;
1156     if (msglen < 1)
1157         return 0;
1158     xlen = msg[0];
1159     if (msglen < xlen + 1)
1160         return 0;
1161     msg++;
1162     BIO_indent(bio, indent, 80);
1163     BIO_printf(bio, "certificate_types (len=%d)\n", (int)xlen);
1164     if (!ssl_trace_list(bio, indent + 2, msg, xlen, 1, ssl_ctype_tbl))
1165         return 0;
1166     msg += xlen;
1167     msglen -= xlen + 1;
1168     if (!SSL_USE_SIGALGS(s))
1169         goto skip_sig;
1170     if (msglen < 2)
1171         return 0;
1172     xlen = (msg[0] << 8) | msg[1];
1173     if (msglen < xlen + 2 || (xlen & 1))
1174         return 0;
1175     msg += 2;
1176     BIO_indent(bio, indent, 80);
1177     BIO_printf(bio, "signature_algorithms (len=%d)\n", (int)xlen);
1178     while (xlen > 0) {
1179         BIO_indent(bio, indent + 2, 80);
1180         BIO_printf(bio, "%s+%s (%d+%d)\n",
1181                    ssl_trace_str(msg[0], ssl_md_tbl),
1182                    ssl_trace_str(msg[1], ssl_sig_tbl), msg[0], msg[1]);
1183         xlen -= 2;
1184         msg += 2;
1185     }
1186     msg += xlen;
1187     msglen -= xlen + 2;
1188
1189  skip_sig:
1190     xlen = (msg[0] << 8) | msg[1];
1191     BIO_indent(bio, indent, 80);
1192     if (msglen < xlen + 2)
1193         return 0;
1194     msg += 2;
1195     msglen -= 2;
1196     BIO_printf(bio, "certificate_authorities (len=%d)\n", (int)xlen);
1197     while (xlen > 0) {
1198         size_t dlen;
1199         X509_NAME *nm;
1200         const unsigned char *p;
1201         if (xlen < 2)
1202             return 0;
1203         dlen = (msg[0] << 8) | msg[1];
1204         if (xlen < dlen + 2)
1205             return 0;
1206         msg += 2;
1207         BIO_indent(bio, indent + 2, 80);
1208         BIO_printf(bio, "DistinguishedName (len=%d): ", (int)dlen);
1209         p = msg;
1210         nm = d2i_X509_NAME(NULL, &p, dlen);
1211         if (!nm) {
1212             BIO_puts(bio, "<UNPARSEABLE DN>\n");
1213         } else {
1214             X509_NAME_print_ex(bio, nm, 0, XN_FLAG_ONELINE);
1215             BIO_puts(bio, "\n");
1216             X509_NAME_free(nm);
1217         }
1218         xlen -= dlen + 2;
1219         msg += dlen;
1220     }
1221     return 1;
1222 }
1223
1224 static int ssl_print_ticket(BIO *bio, int indent,
1225                             const unsigned char *msg, size_t msglen)
1226 {
1227     unsigned int tick_life;
1228     if (msglen == 0) {
1229         BIO_indent(bio, indent + 2, 80);
1230         BIO_puts(bio, "No Ticket\n");
1231         return 1;
1232     }
1233     if (msglen < 4)
1234         return 0;
1235     tick_life = (msg[0] << 24) | (msg[1] << 16) | (msg[2] << 8) | msg[3];
1236     msglen -= 4;
1237     msg += 4;
1238     BIO_indent(bio, indent + 2, 80);
1239     BIO_printf(bio, "ticket_lifetime_hint=%u\n", tick_life);
1240     if (!ssl_print_hexbuf(bio, indent + 2, "ticket", 2, &msg, &msglen))
1241         return 0;
1242     if (msglen)
1243         return 0;
1244     return 1;
1245 }
1246
1247 static int ssl_print_handshake(BIO *bio, SSL *ssl,
1248                                const unsigned char *msg, size_t msglen,
1249                                int indent)
1250 {
1251     size_t hlen;
1252     unsigned char htype;
1253     if (msglen < 4)
1254         return 0;
1255     htype = msg[0];
1256     hlen = (msg[1] << 16) | (msg[2] << 8) | msg[3];
1257     BIO_indent(bio, indent, 80);
1258     BIO_printf(bio, "%s, Length=%d\n",
1259                ssl_trace_str(htype, ssl_handshake_tbl), (int)hlen);
1260     msg += 4;
1261     msglen -= 4;
1262     if (SSL_IS_DTLS(ssl)) {
1263         if (msglen < 8)
1264             return 0;
1265         BIO_indent(bio, indent, 80);
1266         BIO_printf(bio, "message_seq=%d, fragment_offset=%d, "
1267                    "fragment_length=%d\n",
1268                    (msg[0] << 8) | msg[1],
1269                    (msg[2] << 16) | (msg[3] << 8) | msg[4],
1270                    (msg[5] << 16) | (msg[6] << 8) | msg[7]);
1271         msg += 8;
1272         msglen -= 8;
1273     }
1274     if (msglen < hlen)
1275         return 0;
1276     switch (htype) {
1277     case SSL3_MT_CLIENT_HELLO:
1278         if (!ssl_print_client_hello(bio, ssl, indent + 2, msg, msglen))
1279             return 0;
1280         break;
1281
1282     case DTLS1_MT_HELLO_VERIFY_REQUEST:
1283         if (!dtls_print_hello_vfyrequest(bio, indent + 2, msg, msglen))
1284             return 0;
1285         break;
1286
1287     case SSL3_MT_SERVER_HELLO:
1288         if (!ssl_print_server_hello(bio, indent + 2, msg, msglen))
1289             return 0;
1290         break;
1291
1292     case SSL3_MT_SERVER_KEY_EXCHANGE:
1293         if (!ssl_print_server_keyex(bio, indent + 2, ssl, msg, msglen))
1294             return 0;
1295         break;
1296
1297     case SSL3_MT_CLIENT_KEY_EXCHANGE:
1298         if (!ssl_print_client_keyex(bio, indent + 2, ssl, msg, msglen))
1299             return 0;
1300         break;
1301
1302     case SSL3_MT_CERTIFICATE:
1303         if (!ssl_print_certificates(bio, indent + 2, msg, msglen))
1304             return 0;
1305         break;
1306
1307     case SSL3_MT_CERTIFICATE_VERIFY:
1308         if (!ssl_print_signature(bio, indent + 2, ssl, &msg, &msglen))
1309             return 0;
1310         break;
1311
1312     case SSL3_MT_CERTIFICATE_REQUEST:
1313         if (!ssl_print_cert_request(bio, indent + 2, ssl, msg, msglen))
1314             return 0;
1315         break;
1316
1317     case SSL3_MT_FINISHED:
1318         ssl_print_hex(bio, indent + 2, "verify_data", msg, msglen);
1319         break;
1320
1321     case SSL3_MT_SERVER_DONE:
1322         if (msglen != 0)
1323             ssl_print_hex(bio, indent + 2, "unexpected value", msg, msglen);
1324         break;
1325
1326     case SSL3_MT_NEWSESSION_TICKET:
1327         if (!ssl_print_ticket(bio, indent + 2, msg, msglen))
1328             return 0;
1329         break;
1330
1331     default:
1332         BIO_indent(bio, indent + 2, 80);
1333         BIO_puts(bio, "Unsupported, hex dump follows:\n");
1334         BIO_dump_indent(bio, (char *)msg, msglen, indent + 4);
1335     }
1336     return 1;
1337 }
1338
1339 static int ssl_print_heartbeat(BIO *bio, int indent,
1340                                const unsigned char *msg, size_t msglen)
1341 {
1342     if (msglen < 3)
1343         return 0;
1344     BIO_indent(bio, indent, 80);
1345     BIO_printf(bio, "HeartBeatMessageType: %s\n",
1346                ssl_trace_str(msg[0], ssl_hb_type_tbl));
1347     msg++;
1348     msglen--;
1349     if (!ssl_print_hexbuf(bio, indent, "payload", 2, &msg, &msglen))
1350         return 0;
1351     ssl_print_hex(bio, indent, "padding", msg, msglen);
1352     return 1;
1353 }
1354
1355 const char *SSL_CIPHER_standard_name(const SSL_CIPHER *c)
1356 {
1357     return ssl_trace_str(c->id & 0xFFFF, ssl_ciphers_tbl);
1358 }
1359
1360 void SSL_trace(int write_p, int version, int content_type,
1361                const void *buf, size_t msglen, SSL *ssl, void *arg)
1362 {
1363     const unsigned char *msg = buf;
1364     BIO *bio = arg;
1365
1366     if (write_p == 2) {
1367         BIO_puts(bio, "Session ");
1368         ssl_print_hex(bio, 0,
1369                       ssl_trace_str(content_type, ssl_crypto_tbl),
1370                       msg, msglen);
1371         return;
1372     }
1373     switch (content_type) {
1374     case SSL3_RT_HEADER:
1375         {
1376             int hvers = msg[1] << 8 | msg[2];
1377             BIO_puts(bio, write_p ? "Sent" : "Received");
1378             BIO_printf(bio, " Record\nHeader:\n  Version = %s (0x%x)\n",
1379                        ssl_trace_str(hvers, ssl_version_tbl), hvers);
1380             if (SSL_IS_DTLS(ssl)) {
1381                 BIO_printf(bio,
1382                            "  epoch=%d, sequence_number=%04x%04x%04x\n",
1383                            (msg[3] << 8 | msg[4]),
1384                            (msg[5] << 8 | msg[6]),
1385                            (msg[7] << 8 | msg[8]), (msg[9] << 8 | msg[10]));
1386             }
1387
1388             BIO_printf(bio, "  Content Type = %s (%d)\n  Length = %d",
1389                        ssl_trace_str(msg[0], ssl_content_tbl), msg[0],
1390                        msg[msglen - 2] << 8 | msg[msglen - 1]);
1391         }
1392         break;
1393     case SSL3_RT_HANDSHAKE:
1394         if (!ssl_print_handshake(bio, ssl, msg, msglen, 4))
1395             BIO_printf(bio, "Message length parse error!\n");
1396         break;
1397
1398     case SSL3_RT_CHANGE_CIPHER_SPEC:
1399         if (msglen == 1 && msg[0] == 1)
1400             BIO_puts(bio, "    change_cipher_spec (1)\n");
1401         else
1402             ssl_print_hex(bio, 4, "unknown value", msg, msglen);
1403         break;
1404
1405     case SSL3_RT_ALERT:
1406         if (msglen != 2)
1407             BIO_puts(bio, "    Illegal Alert Length\n");
1408         else {
1409             BIO_printf(bio, "    Level=%s(%d), description=%s(%d)\n",
1410                        SSL_alert_type_string_long(msg[0] << 8),
1411                        msg[0], SSL_alert_desc_string_long(msg[1]), msg[1]);
1412         }
1413     case TLS1_RT_HEARTBEAT:
1414         ssl_print_heartbeat(bio, 4, msg, msglen);
1415         break;
1416
1417     }
1418
1419     BIO_puts(bio, "\n");
1420 }
1421
1422 #endif