ssl/t1_trce.c

   1 /*
   2  * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
   3  * project.
   4  */
   5 /* ====================================================================
   6  * Copyright (c) 2012 The OpenSSL Project.  All rights reserved.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted provided that the following conditions
  10  * are met:
  11  *
  12  * 1. Redistributions of source code must retain the above copyright
  13  *    notice, this list of conditions and the following disclaimer.
  14  *
  15  * 2. Redistributions in binary form must reproduce the above copyright
  16  *    notice, this list of conditions and the following disclaimer in
  17  *    the documentation and/or other materials provided with the
  18  *    distribution.
  19  *
  20  * 3. All advertising materials mentioning features or use of this
  21  *    software must display the following acknowledgment:
  22  *    "This product includes software developed by the OpenSSL Project
  23  *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
  24  *
  25  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
  26  *    endorse or promote products derived from this software without
  27  *    prior written permission. For written permission, please contact
  28  *    licensing@OpenSSL.org.
  29  *
  30  * 5. Products derived from this software may not be called "OpenSSL"
  31  *    nor may "OpenSSL" appear in their names without prior written
  32  *    permission of the OpenSSL Project.
  33  *
  34  * 6. Redistributions of any form whatsoever must retain the following
  35  *    acknowledgment:
  36  *    "This product includes software developed by the OpenSSL Project
  37  *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
  38  *
  39  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
  40  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  41  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  42  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
  43  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  44  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  45  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  46  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  47  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  48  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  49  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
  50  * OF THE POSSIBILITY OF SUCH DAMAGE.
  51  * ====================================================================
  52  *
  53  */
  54
  55 #include "ssl_locl.h"
  56
  57 #ifndef OPENSSL_NO_SSL_TRACE
  58
  59 /* Packet trace support for OpenSSL */
  60
  61 typedef struct {
  62     int num;
  63     const char *name;
  64 } ssl_trace_tbl;
  65
  66 # define ssl_trace_str(val, tbl) \
  67         do_ssl_trace_str(val, tbl, OSSL_NELEM(tbl))
  68
  69 # define ssl_trace_list(bio, indent, msg, msglen, value, table) \
  70         do_ssl_trace_list(bio, indent, msg, msglen, value, \
  71          table, OSSL_NELEM(table))
  72
  73 static const char *do_ssl_trace_str(int val, ssl_trace_tbl *tbl, size_t ntbl)
  74 {
  75     size_t i;
  76     for (i = 0; i < ntbl; i++, tbl++) {
  77         if (tbl->num == val)
  78             return tbl->name;
  79     }
  80     return "UNKNOWN";
  81 }
  82
  83 static int do_ssl_trace_list(BIO *bio, int indent,
  84                              const unsigned char *msg, size_t msglen,
  85                              size_t vlen, ssl_trace_tbl *tbl, size_t ntbl)
  86 {
  87     int val;
  88     if (msglen % vlen)
  89         return 0;
  90     while (msglen) {
  91         val = msg[0];
  92         if (vlen == 2)
  93             val = (val << 8) | msg[1];
  94         BIO_indent(bio, indent, 80);
  95         BIO_printf(bio, "%s (%d)\n", do_ssl_trace_str(val, tbl, ntbl), val);
  96         msg += vlen;
  97         msglen -= vlen;
  98     }
  99     return 1;
 100 }
 101
 102 /* Version number */
 103
 104 static ssl_trace_tbl ssl_version_tbl[] = {
 105     {SSL3_VERSION, "SSL 3.0"},
 106     {TLS1_VERSION, "TLS 1.0"},
 107     {TLS1_1_VERSION, "TLS 1.1"},
 108     {TLS1_2_VERSION, "TLS 1.2"},
 109     {DTLS1_VERSION, "DTLS 1.0"},
 110     {DTLS1_2_VERSION, "DTLS 1.2"},
 111     {DTLS1_BAD_VER, "DTLS 1.0 (bad)"}
 112 };
 113
 114 static ssl_trace_tbl ssl_content_tbl[] = {
 115     {SSL3_RT_CHANGE_CIPHER_SPEC, "ChangeCipherSpec"},
 116     {SSL3_RT_ALERT, "Alert"},
 117     {SSL3_RT_HANDSHAKE, "Handshake"},
 118     {SSL3_RT_APPLICATION_DATA, "ApplicationData"},
 119     {TLS1_RT_HEARTBEAT, "HeartBeat"}
 120 };
 121
 122 /* Handshake types */
 123 static ssl_trace_tbl ssl_handshake_tbl[] = {
 124     {SSL3_MT_HELLO_REQUEST, "HelloRequest"},
 125     {SSL3_MT_CLIENT_HELLO, "ClientHello"},
 126     {SSL3_MT_SERVER_HELLO, "ServerHello"},
 127     {DTLS1_MT_HELLO_VERIFY_REQUEST, "HelloVerifyRequest"},
 128     {SSL3_MT_NEWSESSION_TICKET, "NewSessionTicket"},
 129     {SSL3_MT_CERTIFICATE, "Certificate"},
 130     {SSL3_MT_SERVER_KEY_EXCHANGE, "ServerKeyExchange"},
 131     {SSL3_MT_CERTIFICATE_REQUEST, "CertificateRequest"},
 132     {SSL3_MT_CLIENT_KEY_EXCHANGE, "ClientKeyExchange"},
 133     {SSL3_MT_CERTIFICATE_STATUS, "CertificateStatus"},
 134     {SSL3_MT_SERVER_DONE, "ServerHelloDone"},
 135     {SSL3_MT_CERTIFICATE_VERIFY, "CertificateVerify"},
 136     {SSL3_MT_CLIENT_KEY_EXCHANGE, "ClientKeyExchange"},
 137     {SSL3_MT_FINISHED, "Finished"},
 138     {SSL3_MT_CERTIFICATE_STATUS, "CertificateStatus"}
 139 };
 140
 141 /* Cipher suites */
 142 static ssl_trace_tbl ssl_ciphers_tbl[] = {
 143     {0x0000, "SSL_NULL_WITH_NULL_NULL"},
 144     {0x0001, "SSL_RSA_WITH_NULL_MD5"},
 145     {0x0002, "SSL_RSA_WITH_NULL_SHA"},
 146     {0x0003, "SSL_RSA_EXPORT_WITH_RC4_40_MD5"},
 147     {0x0004, "SSL_RSA_WITH_RC4_128_MD5"},
 148     {0x0005, "SSL_RSA_WITH_RC4_128_SHA"},
 149     {0x0006, "SSL_RSA_EXPORT_WITH_RC2_CBC_40_MD5"},
 150     {0x0007, "SSL_RSA_WITH_IDEA_CBC_SHA"},
 151     {0x0008, "SSL_RSA_EXPORT_WITH_DES40_CBC_SHA"},
 152     {0x0009, "SSL_RSA_WITH_DES_CBC_SHA"},
 153     {0x000A, "SSL_RSA_WITH_3DES_EDE_CBC_SHA"},
 154     {0x000B, "SSL_DH_DSS_EXPORT_WITH_DES40_CBC_SHA"},
 155     {0x000C, "SSL_DH_DSS_WITH_DES_CBC_SHA"},
 156     {0x000D, "SSL_DH_DSS_WITH_3DES_EDE_CBC_SHA"},
 157     {0x000E, "SSL_DH_RSA_EXPORT_WITH_DES40_CBC_SHA"},
 158     {0x000F, "SSL_DH_RSA_WITH_DES_CBC_SHA"},
 159     {0x0010, "SSL_DH_RSA_WITH_3DES_EDE_CBC_SHA"},
 160     {0x0011, "SSL_DHE_DSS_EXPORT_WITH_DES40_CBC_SHA"},
 161     {0x0012, "SSL_DHE_DSS_WITH_DES_CBC_SHA"},
 162     {0x0013, "SSL_DHE_DSS_WITH_3DES_EDE_CBC_SHA"},
 163     {0x0014, "SSL_DHE_RSA_EXPORT_WITH_DES40_CBC_SHA"},
 164     {0x0015, "SSL_DHE_RSA_WITH_DES_CBC_SHA"},
 165     {0x0016, "SSL_DHE_RSA_WITH_3DES_EDE_CBC_SHA"},
 166     {0x0017, "SSL_DH_anon_EXPORT_WITH_RC4_40_MD5"},
 167     {0x0018, "SSL_DH_anon_WITH_RC4_128_MD5"},
 168     {0x0019, "SSL_DH_anon_EXPORT_WITH_DES40_CBC_SHA"},
 169     {0x001A, "SSL_DH_anon_WITH_DES_CBC_SHA"},
 170     {0x001B, "SSL_DH_anon_WITH_3DES_EDE_CBC_SHA"},
 171     {0x001D, "SSL_FORTEZZA_KEA_WITH_FORTEZZA_CBC_SHA"},
 172     {0x001E, "SSL_FORTEZZA_KEA_WITH_RC4_128_SHA"},
 173     {0x001F, "TLS_KRB5_WITH_3DES_EDE_CBC_SHA"},
 174     {0x0020, "TLS_KRB5_WITH_RC4_128_SHA"},
 175     {0x0021, "TLS_KRB5_WITH_IDEA_CBC_SHA"},
 176     {0x0022, "TLS_KRB5_WITH_DES_CBC_MD5"},
 177     {0x0023, "TLS_KRB5_WITH_3DES_EDE_CBC_MD5"},
 178     {0x0024, "TLS_KRB5_WITH_RC4_128_MD5"},
 179     {0x0025, "TLS_KRB5_WITH_IDEA_CBC_MD5"},
 180     {0x0026, "TLS_KRB5_EXPORT_WITH_DES_CBC_40_SHA"},
 181     {0x0027, "TLS_KRB5_EXPORT_WITH_RC2_CBC_40_SHA"},
 182     {0x0028, "TLS_KRB5_EXPORT_WITH_RC4_40_SHA"},
 183     {0x0029, "TLS_KRB5_EXPORT_WITH_DES_CBC_40_MD5"},
 184     {0x002A, "TLS_KRB5_EXPORT_WITH_RC2_CBC_40_MD5"},
 185     {0x002B, "TLS_KRB5_EXPORT_WITH_RC4_40_MD5"},
 186     {0x002C, "TLS_PSK_WITH_NULL_SHA"},
 187     {0x002D, "TLS_DHE_PSK_WITH_NULL_SHA"},
 188     {0x002E, "TLS_RSA_PSK_WITH_NULL_SHA"},
 189     {0x002F, "TLS_RSA_WITH_AES_128_CBC_SHA"},
 190     {0x0030, "TLS_DH_DSS_WITH_AES_128_CBC_SHA"},
 191     {0x0031, "TLS_DH_RSA_WITH_AES_128_CBC_SHA"},
 192     {0x0032, "TLS_DHE_DSS_WITH_AES_128_CBC_SHA"},
 193     {0x0033, "TLS_DHE_RSA_WITH_AES_128_CBC_SHA"},
 194     {0x0034, "TLS_DH_anon_WITH_AES_128_CBC_SHA"},
 195     {0x0035, "TLS_RSA_WITH_AES_256_CBC_SHA"},
 196     {0x0036, "TLS_DH_DSS_WITH_AES_256_CBC_SHA"},
 197     {0x0037, "TLS_DH_RSA_WITH_AES_256_CBC_SHA"},
 198     {0x0038, "TLS_DHE_DSS_WITH_AES_256_CBC_SHA"},
 199     {0x0039, "TLS_DHE_RSA_WITH_AES_256_CBC_SHA"},
 200     {0x003A, "TLS_DH_anon_WITH_AES_256_CBC_SHA"},
 201     {0x003B, "TLS_RSA_WITH_NULL_SHA256"},
 202     {0x003C, "TLS_RSA_WITH_AES_128_CBC_SHA256"},
 203     {0x003D, "TLS_RSA_WITH_AES_256_CBC_SHA256"},
 204     {0x003E, "TLS_DH_DSS_WITH_AES_128_CBC_SHA256"},
 205     {0x003F, "TLS_DH_RSA_WITH_AES_128_CBC_SHA256"},
 206     {0x0040, "TLS_DHE_DSS_WITH_AES_128_CBC_SHA256"},
 207     {0x0041, "TLS_RSA_WITH_CAMELLIA_128_CBC_SHA"},
 208     {0x0042, "TLS_DH_DSS_WITH_CAMELLIA_128_CBC_SHA"},
 209     {0x0043, "TLS_DH_RSA_WITH_CAMELLIA_128_CBC_SHA"},
 210     {0x0044, "TLS_DHE_DSS_WITH_CAMELLIA_128_CBC_SHA"},
 211     {0x0045, "TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA"},
 212     {0x0046, "TLS_DH_anon_WITH_CAMELLIA_128_CBC_SHA"},
 213     {0x0067, "TLS_DHE_RSA_WITH_AES_128_CBC_SHA256"},
 214     {0x0068, "TLS_DH_DSS_WITH_AES_256_CBC_SHA256"},
 215     {0x0069, "TLS_DH_RSA_WITH_AES_256_CBC_SHA256"},
 216     {0x006A, "TLS_DHE_DSS_WITH_AES_256_CBC_SHA256"},
 217     {0x006B, "TLS_DHE_RSA_WITH_AES_256_CBC_SHA256"},
 218     {0x006C, "TLS_DH_anon_WITH_AES_128_CBC_SHA256"},
 219     {0x006D, "TLS_DH_anon_WITH_AES_256_CBC_SHA256"},
 220     {0x0084, "TLS_RSA_WITH_CAMELLIA_256_CBC_SHA"},
 221     {0x0085, "TLS_DH_DSS_WITH_CAMELLIA_256_CBC_SHA"},
 222     {0x0086, "TLS_DH_RSA_WITH_CAMELLIA_256_CBC_SHA"},
 223     {0x0087, "TLS_DHE_DSS_WITH_CAMELLIA_256_CBC_SHA"},
 224     {0x0088, "TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA"},
 225     {0x0089, "TLS_DH_anon_WITH_CAMELLIA_256_CBC_SHA"},
 226     {0x008A, "TLS_PSK_WITH_RC4_128_SHA"},
 227     {0x008B, "TLS_PSK_WITH_3DES_EDE_CBC_SHA"},
 228     {0x008C, "TLS_PSK_WITH_AES_128_CBC_SHA"},
 229     {0x008D, "TLS_PSK_WITH_AES_256_CBC_SHA"},
 230     {0x008E, "TLS_DHE_PSK_WITH_RC4_128_SHA"},
 231     {0x008F, "TLS_DHE_PSK_WITH_3DES_EDE_CBC_SHA"},
 232     {0x0090, "TLS_DHE_PSK_WITH_AES_128_CBC_SHA"},
 233     {0x0091, "TLS_DHE_PSK_WITH_AES_256_CBC_SHA"},
 234     {0x0092, "TLS_RSA_PSK_WITH_RC4_128_SHA"},
 235     {0x0093, "TLS_RSA_PSK_WITH_3DES_EDE_CBC_SHA"},
 236     {0x0094, "TLS_RSA_PSK_WITH_AES_128_CBC_SHA"},
 237     {0x0095, "TLS_RSA_PSK_WITH_AES_256_CBC_SHA"},
 238     {0x0096, "TLS_RSA_WITH_SEED_CBC_SHA"},
 239     {0x0097, "TLS_DH_DSS_WITH_SEED_CBC_SHA"},
 240     {0x0098, "TLS_DH_RSA_WITH_SEED_CBC_SHA"},
 241     {0x0099, "TLS_DHE_DSS_WITH_SEED_CBC_SHA"},
 242     {0x009A, "TLS_DHE_RSA_WITH_SEED_CBC_SHA"},
 243     {0x009B, "TLS_DH_anon_WITH_SEED_CBC_SHA"},
 244     {0x009C, "TLS_RSA_WITH_AES_128_GCM_SHA256"},
 245     {0x009D, "TLS_RSA_WITH_AES_256_GCM_SHA384"},
 246     {0x009E, "TLS_DHE_RSA_WITH_AES_128_GCM_SHA256"},
 247     {0x009F, "TLS_DHE_RSA_WITH_AES_256_GCM_SHA384"},
 248     {0x00A0, "TLS_DH_RSA_WITH_AES_128_GCM_SHA256"},
 249     {0x00A1, "TLS_DH_RSA_WITH_AES_256_GCM_SHA384"},
 250     {0x00A2, "TLS_DHE_DSS_WITH_AES_128_GCM_SHA256"},
 251     {0x00A3, "TLS_DHE_DSS_WITH_AES_256_GCM_SHA384"},
 252     {0x00A4, "TLS_DH_DSS_WITH_AES_128_GCM_SHA256"},
 253     {0x00A5, "TLS_DH_DSS_WITH_AES_256_GCM_SHA384"},
 254     {0x00A6, "TLS_DH_anon_WITH_AES_128_GCM_SHA256"},
 255     {0x00A7, "TLS_DH_anon_WITH_AES_256_GCM_SHA384"},
 256     {0x00A8, "TLS_PSK_WITH_AES_128_GCM_SHA256"},
 257     {0x00A9, "TLS_PSK_WITH_AES_256_GCM_SHA384"},
 258     {0x00AA, "TLS_DHE_PSK_WITH_AES_128_GCM_SHA256"},
 259     {0x00AB, "TLS_DHE_PSK_WITH_AES_256_GCM_SHA384"},
 260     {0x00AC, "TLS_RSA_PSK_WITH_AES_128_GCM_SHA256"},
 261     {0x00AD, "TLS_RSA_PSK_WITH_AES_256_GCM_SHA384"},
 262     {0x00AE, "TLS_PSK_WITH_AES_128_CBC_SHA256"},
 263     {0x00AF, "TLS_PSK_WITH_AES_256_CBC_SHA384"},
 264     {0x00B0, "TLS_PSK_WITH_NULL_SHA256"},
 265     {0x00B1, "TLS_PSK_WITH_NULL_SHA384"},
 266     {0x00B2, "TLS_DHE_PSK_WITH_AES_128_CBC_SHA256"},
 267     {0x00B3, "TLS_DHE_PSK_WITH_AES_256_CBC_SHA384"},
 268     {0x00B4, "TLS_DHE_PSK_WITH_NULL_SHA256"},
 269     {0x00B5, "TLS_DHE_PSK_WITH_NULL_SHA384"},
 270     {0x00B6, "TLS_RSA_PSK_WITH_AES_128_CBC_SHA256"},
 271     {0x00B7, "TLS_RSA_PSK_WITH_AES_256_CBC_SHA384"},
 272     {0x00B8, "TLS_RSA_PSK_WITH_NULL_SHA256"},
 273     {0x00B9, "TLS_RSA_PSK_WITH_NULL_SHA384"},
 274     {0x00BA, "TLS_RSA_WITH_CAMELLIA_128_CBC_SHA256"},
 275     {0x00BB, "TLS_DH_DSS_WITH_CAMELLIA_128_CBC_SHA256"},
 276     {0x00BC, "TLS_DH_RSA_WITH_CAMELLIA_128_CBC_SHA256"},
 277     {0x00BD, "TLS_DHE_DSS_WITH_CAMELLIA_128_CBC_SHA256"},
 278     {0x00BE, "TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA256"},
 279     {0x00BF, "TLS_DH_anon_WITH_CAMELLIA_128_CBC_SHA256"},
 280     {0x00C0, "TLS_RSA_WITH_CAMELLIA_256_CBC_SHA256"},
 281     {0x00C1, "TLS_DH_DSS_WITH_CAMELLIA_256_CBC_SHA256"},
 282     {0x00C2, "TLS_DH_RSA_WITH_CAMELLIA_256_CBC_SHA256"},
 283     {0x00C3, "TLS_DHE_DSS_WITH_CAMELLIA_256_CBC_SHA256"},
 284     {0x00C4, "TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA256"},
 285     {0x00C5, "TLS_DH_anon_WITH_CAMELLIA_256_CBC_SHA256"},
 286     {0x00FF, "TLS_EMPTY_RENEGOTIATION_INFO_SCSV"},
 287     {0x5600, "TLS_FALLBACK_SCSV"},
 288     {0xC001, "TLS_ECDH_ECDSA_WITH_NULL_SHA"},
 289     {0xC002, "TLS_ECDH_ECDSA_WITH_RC4_128_SHA"},
 290     {0xC003, "TLS_ECDH_ECDSA_WITH_3DES_EDE_CBC_SHA"},
 291     {0xC004, "TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA"},
 292     {0xC005, "TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA"},
 293     {0xC006, "TLS_ECDHE_ECDSA_WITH_NULL_SHA"},
 294     {0xC007, "TLS_ECDHE_ECDSA_WITH_RC4_128_SHA"},
 295     {0xC008, "TLS_ECDHE_ECDSA_WITH_3DES_EDE_CBC_SHA"},
 296     {0xC009, "TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA"},
 297     {0xC00A, "TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA"},
 298     {0xC00B, "TLS_ECDH_RSA_WITH_NULL_SHA"},
 299     {0xC00C, "TLS_ECDH_RSA_WITH_RC4_128_SHA"},
 300     {0xC00D, "TLS_ECDH_RSA_WITH_3DES_EDE_CBC_SHA"},
 301     {0xC00E, "TLS_ECDH_RSA_WITH_AES_128_CBC_SHA"},
 302     {0xC00F, "TLS_ECDH_RSA_WITH_AES_256_CBC_SHA"},
 303     {0xC010, "TLS_ECDHE_RSA_WITH_NULL_SHA"},
 304     {0xC011, "TLS_ECDHE_RSA_WITH_RC4_128_SHA"},
 305     {0xC012, "TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA"},
 306     {0xC013, "TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA"},
 307     {0xC014, "TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA"},
 308     {0xC015, "TLS_ECDH_anon_WITH_NULL_SHA"},
 309     {0xC016, "TLS_ECDH_anon_WITH_RC4_128_SHA"},
 310     {0xC017, "TLS_ECDH_anon_WITH_3DES_EDE_CBC_SHA"},
 311     {0xC018, "TLS_ECDH_anon_WITH_AES_128_CBC_SHA"},
 312     {0xC019, "TLS_ECDH_anon_WITH_AES_256_CBC_SHA"},
 313     {0xC01A, "TLS_SRP_SHA_WITH_3DES_EDE_CBC_SHA"},
 314     {0xC01B, "TLS_SRP_SHA_RSA_WITH_3DES_EDE_CBC_SHA"},
 315     {0xC01C, "TLS_SRP_SHA_DSS_WITH_3DES_EDE_CBC_SHA"},
 316     {0xC01D, "TLS_SRP_SHA_WITH_AES_128_CBC_SHA"},
 317     {0xC01E, "TLS_SRP_SHA_RSA_WITH_AES_128_CBC_SHA"},
 318     {0xC01F, "TLS_SRP_SHA_DSS_WITH_AES_128_CBC_SHA"},
 319     {0xC020, "TLS_SRP_SHA_WITH_AES_256_CBC_SHA"},
 320     {0xC021, "TLS_SRP_SHA_RSA_WITH_AES_256_CBC_SHA"},
 321     {0xC022, "TLS_SRP_SHA_DSS_WITH_AES_256_CBC_SHA"},
 322     {0xC023, "TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256"},
 323     {0xC024, "TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384"},
 324     {0xC025, "TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA256"},
 325     {0xC026, "TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA384"},
 326     {0xC027, "TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256"},
 327     {0xC028, "TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384"},
 328     {0xC029, "TLS_ECDH_RSA_WITH_AES_128_CBC_SHA256"},
 329     {0xC02A, "TLS_ECDH_RSA_WITH_AES_256_CBC_SHA384"},
 330     {0xC02B, "TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256"},
 331     {0xC02C, "TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384"},
 332     {0xC02D, "TLS_ECDH_ECDSA_WITH_AES_128_GCM_SHA256"},
 333     {0xC02E, "TLS_ECDH_ECDSA_WITH_AES_256_GCM_SHA384"},
 334     {0xC02F, "TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256"},
 335     {0xC030, "TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384"},
 336     {0xC031, "TLS_ECDH_RSA_WITH_AES_128_GCM_SHA256"},
 337     {0xC032, "TLS_ECDH_RSA_WITH_AES_256_GCM_SHA384"},
 338     {0xC033, "TLS_ECDHE_PSK_WITH_RC4_128_SHA"},
 339     {0xC034, "TLS_ECDHE_PSK_WITH_3DES_EDE_CBC_SHA"},
 340     {0xC035, "TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA"},
 341     {0xC036, "TLS_ECDHE_PSK_WITH_AES_256_CBC_SHA"},
 342     {0xC037, "TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA256"},
 343     {0xC038, "TLS_ECDHE_PSK_WITH_AES_256_CBC_SHA384"},
 344     {0xC039, "TLS_ECDHE_PSK_WITH_NULL_SHA"},
 345     {0xC03A, "TLS_ECDHE_PSK_WITH_NULL_SHA256"},
 346     {0xC03B, "TLS_ECDHE_PSK_WITH_NULL_SHA384"},
 347     {0xC03C, "TLS_RSA_WITH_ARIA_128_CBC_SHA256"},
 348     {0xC03D, "TLS_RSA_WITH_ARIA_256_CBC_SHA384"},
 349     {0xC03E, "TLS_DH_DSS_WITH_ARIA_128_CBC_SHA256"},
 350     {0xC03F, "TLS_DH_DSS_WITH_ARIA_256_CBC_SHA384"},
 351     {0xC040, "TLS_DH_RSA_WITH_ARIA_128_CBC_SHA256"},
 352     {0xC041, "TLS_DH_RSA_WITH_ARIA_256_CBC_SHA384"},
 353     {0xC042, "TLS_DHE_DSS_WITH_ARIA_128_CBC_SHA256"},
 354     {0xC043, "TLS_DHE_DSS_WITH_ARIA_256_CBC_SHA384"},
 355     {0xC044, "TLS_DHE_RSA_WITH_ARIA_128_CBC_SHA256"},
 356     {0xC045, "TLS_DHE_RSA_WITH_ARIA_256_CBC_SHA384"},
 357     {0xC046, "TLS_DH_anon_WITH_ARIA_128_CBC_SHA256"},
 358     {0xC047, "TLS_DH_anon_WITH_ARIA_256_CBC_SHA384"},
 359     {0xC048, "TLS_ECDHE_ECDSA_WITH_ARIA_128_CBC_SHA256"},
 360     {0xC049, "TLS_ECDHE_ECDSA_WITH_ARIA_256_CBC_SHA384"},
 361     {0xC04A, "TLS_ECDH_ECDSA_WITH_ARIA_128_CBC_SHA256"},
 362     {0xC04B, "TLS_ECDH_ECDSA_WITH_ARIA_256_CBC_SHA384"},
 363     {0xC04C, "TLS_ECDHE_RSA_WITH_ARIA_128_CBC_SHA256"},
 364     {0xC04D, "TLS_ECDHE_RSA_WITH_ARIA_256_CBC_SHA384"},
 365     {0xC04E, "TLS_ECDH_RSA_WITH_ARIA_128_CBC_SHA256"},
 366     {0xC04F, "TLS_ECDH_RSA_WITH_ARIA_256_CBC_SHA384"},
 367     {0xC050, "TLS_RSA_WITH_ARIA_128_GCM_SHA256"},
 368     {0xC051, "TLS_RSA_WITH_ARIA_256_GCM_SHA384"},
 369     {0xC052, "TLS_DHE_RSA_WITH_ARIA_128_GCM_SHA256"},
 370     {0xC053, "TLS_DHE_RSA_WITH_ARIA_256_GCM_SHA384"},
 371     {0xC054, "TLS_DH_RSA_WITH_ARIA_128_GCM_SHA256"},
 372     {0xC055, "TLS_DH_RSA_WITH_ARIA_256_GCM_SHA384"},
 373     {0xC056, "TLS_DHE_DSS_WITH_ARIA_128_GCM_SHA256"},
 374     {0xC057, "TLS_DHE_DSS_WITH_ARIA_256_GCM_SHA384"},
 375     {0xC058, "TLS_DH_DSS_WITH_ARIA_128_GCM_SHA256"},
 376     {0xC059, "TLS_DH_DSS_WITH_ARIA_256_GCM_SHA384"},
 377     {0xC05A, "TLS_DH_anon_WITH_ARIA_128_GCM_SHA256"},
 378     {0xC05B, "TLS_DH_anon_WITH_ARIA_256_GCM_SHA384"},
 379     {0xC05C, "TLS_ECDHE_ECDSA_WITH_ARIA_128_GCM_SHA256"},
 380     {0xC05D, "TLS_ECDHE_ECDSA_WITH_ARIA_256_GCM_SHA384"},
 381     {0xC05E, "TLS_ECDH_ECDSA_WITH_ARIA_128_GCM_SHA256"},
 382     {0xC05F, "TLS_ECDH_ECDSA_WITH_ARIA_256_GCM_SHA384"},
 383     {0xC060, "TLS_ECDHE_RSA_WITH_ARIA_128_GCM_SHA256"},
 384     {0xC061, "TLS_ECDHE_RSA_WITH_ARIA_256_GCM_SHA384"},
 385     {0xC062, "TLS_ECDH_RSA_WITH_ARIA_128_GCM_SHA256"},
 386     {0xC063, "TLS_ECDH_RSA_WITH_ARIA_256_GCM_SHA384"},
 387     {0xC064, "TLS_PSK_WITH_ARIA_128_CBC_SHA256"},
 388     {0xC065, "TLS_PSK_WITH_ARIA_256_CBC_SHA384"},
 389     {0xC066, "TLS_DHE_PSK_WITH_ARIA_128_CBC_SHA256"},
 390     {0xC067, "TLS_DHE_PSK_WITH_ARIA_256_CBC_SHA384"},
 391     {0xC068, "TLS_RSA_PSK_WITH_ARIA_128_CBC_SHA256"},
 392     {0xC069, "TLS_RSA_PSK_WITH_ARIA_256_CBC_SHA384"},
 393     {0xC06A, "TLS_PSK_WITH_ARIA_128_GCM_SHA256"},
 394     {0xC06B, "TLS_PSK_WITH_ARIA_256_GCM_SHA384"},
 395     {0xC06C, "TLS_DHE_PSK_WITH_ARIA_128_GCM_SHA256"},
 396     {0xC06D, "TLS_DHE_PSK_WITH_ARIA_256_GCM_SHA384"},
 397     {0xC06E, "TLS_RSA_PSK_WITH_ARIA_128_GCM_SHA256"},
 398     {0xC06F, "TLS_RSA_PSK_WITH_ARIA_256_GCM_SHA384"},
 399     {0xC070, "TLS_ECDHE_PSK_WITH_ARIA_128_CBC_SHA256"},
 400     {0xC071, "TLS_ECDHE_PSK_WITH_ARIA_256_CBC_SHA384"},
 401     {0xC072, "TLS_ECDHE_ECDSA_WITH_CAMELLIA_128_CBC_SHA256"},
 402     {0xC073, "TLS_ECDHE_ECDSA_WITH_CAMELLIA_256_CBC_SHA384"},
 403     {0xC074, "TLS_ECDH_ECDSA_WITH_CAMELLIA_128_CBC_SHA256"},
 404     {0xC075, "TLS_ECDH_ECDSA_WITH_CAMELLIA_256_CBC_SHA384"},
 405     {0xC076, "TLS_ECDHE_RSA_WITH_CAMELLIA_128_CBC_SHA256"},
 406     {0xC077, "TLS_ECDHE_RSA_WITH_CAMELLIA_256_CBC_SHA384"},
 407     {0xC078, "TLS_ECDH_RSA_WITH_CAMELLIA_128_CBC_SHA256"},
 408     {0xC079, "TLS_ECDH_RSA_WITH_CAMELLIA_256_CBC_SHA384"},
 409     {0xC07A, "TLS_RSA_WITH_CAMELLIA_128_GCM_SHA256"},
 410     {0xC07B, "TLS_RSA_WITH_CAMELLIA_256_GCM_SHA384"},
 411     {0xC07C, "TLS_DHE_RSA_WITH_CAMELLIA_128_GCM_SHA256"},
 412     {0xC07D, "TLS_DHE_RSA_WITH_CAMELLIA_256_GCM_SHA384"},
 413     {0xC07E, "TLS_DH_RSA_WITH_CAMELLIA_128_GCM_SHA256"},
 414     {0xC07F, "TLS_DH_RSA_WITH_CAMELLIA_256_GCM_SHA384"},
 415     {0xC080, "TLS_DHE_DSS_WITH_CAMELLIA_128_GCM_SHA256"},
 416     {0xC081, "TLS_DHE_DSS_WITH_CAMELLIA_256_GCM_SHA384"},
 417     {0xC082, "TLS_DH_DSS_WITH_CAMELLIA_128_GCM_SHA256"},
 418     {0xC083, "TLS_DH_DSS_WITH_CAMELLIA_256_GCM_SHA384"},
 419     {0xC084, "TLS_DH_anon_WITH_CAMELLIA_128_GCM_SHA256"},
 420     {0xC085, "TLS_DH_anon_WITH_CAMELLIA_256_GCM_SHA384"},
 421     {0xC086, "TLS_ECDHE_ECDSA_WITH_CAMELLIA_128_GCM_SHA256"},
 422     {0xC087, "TLS_ECDHE_ECDSA_WITH_CAMELLIA_256_GCM_SHA384"},
 423     {0xC088, "TLS_ECDH_ECDSA_WITH_CAMELLIA_128_GCM_SHA256"},
 424     {0xC089, "TLS_ECDH_ECDSA_WITH_CAMELLIA_256_GCM_SHA384"},
 425     {0xC08A, "TLS_ECDHE_RSA_WITH_CAMELLIA_128_GCM_SHA256"},
 426     {0xC08B, "TLS_ECDHE_RSA_WITH_CAMELLIA_256_GCM_SHA384"},
 427     {0xC08C, "TLS_ECDH_RSA_WITH_CAMELLIA_128_GCM_SHA256"},
 428     {0xC08D, "TLS_ECDH_RSA_WITH_CAMELLIA_256_GCM_SHA384"},
 429     {0xC08E, "TLS_PSK_WITH_CAMELLIA_128_GCM_SHA256"},
 430     {0xC08F, "TLS_PSK_WITH_CAMELLIA_256_GCM_SHA384"},
 431     {0xC090, "TLS_DHE_PSK_WITH_CAMELLIA_128_GCM_SHA256"},
 432     {0xC091, "TLS_DHE_PSK_WITH_CAMELLIA_256_GCM_SHA384"},
 433     {0xC092, "TLS_RSA_PSK_WITH_CAMELLIA_128_GCM_SHA256"},
 434     {0xC093, "TLS_RSA_PSK_WITH_CAMELLIA_256_GCM_SHA384"},
 435     {0xC094, "TLS_PSK_WITH_CAMELLIA_128_CBC_SHA256"},
 436     {0xC095, "TLS_PSK_WITH_CAMELLIA_256_CBC_SHA384"},
 437     {0xC096, "TLS_DHE_PSK_WITH_CAMELLIA_128_CBC_SHA256"},
 438     {0xC097, "TLS_DHE_PSK_WITH_CAMELLIA_256_CBC_SHA384"},
 439     {0xC098, "TLS_RSA_PSK_WITH_CAMELLIA_128_CBC_SHA256"},
 440     {0xC099, "TLS_RSA_PSK_WITH_CAMELLIA_256_CBC_SHA384"},
 441     {0xC09A, "TLS_ECDHE_PSK_WITH_CAMELLIA_128_CBC_SHA256"},
 442     {0xC09B, "TLS_ECDHE_PSK_WITH_CAMELLIA_256_CBC_SHA384"},
 443     {0xC09C, "TLS_RSA_WITH_AES_128_CCM"},
 444     {0xC09D, "TLS_RSA_WITH_AES_256_CCM"},
 445     {0xC09E, "TLS_DHE_RSA_WITH_AES_128_CCM"},
 446     {0xC09F, "TLS_DHE_RSA_WITH_AES_256_CCM"},
 447     {0xC0A0, "TLS_RSA_WITH_AES_128_CCM_8"},
 448     {0xC0A1, "TLS_RSA_WITH_AES_256_CCM_8"},
 449     {0xC0A2, "TLS_DHE_RSA_WITH_AES_128_CCM_8"},
 450     {0xC0A3, "TLS_DHE_RSA_WITH_AES_256_CCM_8"},
 451     {0xC0A4, "TLS_PSK_WITH_AES_128_CCM"},
 452     {0xC0A5, "TLS_PSK_WITH_AES_256_CCM"},
 453     {0xC0A6, "TLS_DHE_PSK_WITH_AES_128_CCM"},
 454     {0xC0A7, "TLS_DHE_PSK_WITH_AES_256_CCM"},
 455     {0xC0A8, "TLS_PSK_WITH_AES_128_CCM_8"},
 456     {0xC0A9, "TLS_PSK_WITH_AES_256_CCM_8"},
 457     {0xC0AA, "TLS_PSK_DHE_WITH_AES_128_CCM_8"},
 458     {0xC0AB, "TLS_PSK_DHE_WITH_AES_256_CCM_8"},
 459     {0xC0AC, "TLS_ECDHE_ECDSA_WITH_AES_128_CCM"},
 460     {0xC0AD, "TLS_ECDHE_ECDSA_WITH_AES_256_CCM"},
 461     {0xC0AE, "TLS_ECDHE_ECDSA_WITH_AES_128_CCM_8"},
 462     {0xC0AF, "TLS_ECDHE_ECDSA_WITH_AES_256_CCM_8"},
 463     {0xCCA8, "TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305" },
 464     {0xCCA9, "TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305" },
 465     {0xCCAA, "TLS_DHE_RSA_WITH_CHACHA20_POLY1305" },
 466     {0xCCAB, "TLS_PSK_WITH_CHACHA20_POLY1305" },
 467     {0xCCAC, "TLS_ECDHE_PSK_WITH_CHACHA20_POLY1305" },
 468     {0xCCAD, "TLS_DHE_PSK_WITH_CHACHA20_POLY1305" },
 469     {0xCCAE, "TLS_RSA_PSK_WITH_CHACHA20_POLY1305" },
 470     {0xFEFE, "SSL_RSA_FIPS_WITH_DES_CBC_SHA"},
 471     {0xFEFF, "SSL_RSA_FIPS_WITH_3DES_EDE_CBC_SHA"},
 472 };
 473
 474 /* Compression methods */
 475 static ssl_trace_tbl ssl_comp_tbl[] = {
 476     {0x0000, "No Compression"},
 477     {0x0001, "Zlib Compression"}
 478 };
 479
 480 /* Extensions */
 481 static ssl_trace_tbl ssl_exts_tbl[] = {
 482     {TLSEXT_TYPE_server_name, "server_name"},
 483     {TLSEXT_TYPE_max_fragment_length, "max_fragment_length"},
 484     {TLSEXT_TYPE_client_certificate_url, "client_certificate_url"},
 485     {TLSEXT_TYPE_trusted_ca_keys, "trusted_ca_keys"},
 486     {TLSEXT_TYPE_truncated_hmac, "truncated_hmac"},
 487     {TLSEXT_TYPE_status_request, "status_request"},
 488     {TLSEXT_TYPE_user_mapping, "user_mapping"},
 489     {TLSEXT_TYPE_client_authz, "client_authz"},
 490     {TLSEXT_TYPE_server_authz, "server_authz"},
 491     {TLSEXT_TYPE_cert_type, "cert_type"},
 492     {TLSEXT_TYPE_elliptic_curves, "elliptic_curves"},
 493     {TLSEXT_TYPE_ec_point_formats, "ec_point_formats"},
 494     {TLSEXT_TYPE_srp, "srp"},
 495     {TLSEXT_TYPE_signature_algorithms, "signature_algorithms"},
 496     {TLSEXT_TYPE_use_srtp, "use_srtp"},
 497     {TLSEXT_TYPE_heartbeat, "heartbeat"},
 498     {TLSEXT_TYPE_session_ticket, "session_ticket"},
 499     {TLSEXT_TYPE_renegotiate, "renegotiate"},
 500     {TLSEXT_TYPE_next_proto_neg, "next_proto_neg"},
 501     {TLSEXT_TYPE_padding, "padding"},
 502     {TLSEXT_TYPE_encrypt_then_mac, "encrypt_then_mac"},
 503     {TLSEXT_TYPE_extended_master_secret, "extended_master_secret"}
 504 };
 505
 506 static ssl_trace_tbl ssl_curve_tbl[] = {
 507     {1, "sect163k1 (K-163)"},
 508     {2, "sect163r1"},
 509     {3, "sect163r2 (B-163)"},
 510     {4, "sect193r1"},
 511     {5, "sect193r2"},
 512     {6, "sect233k1 (K-233)"},
 513     {7, "sect233r1 (B-233)"},
 514     {8, "sect239k1"},
 515     {9, "sect283k1 (K-283)"},
 516     {10, "sect283r1 (B-283)"},
 517     {11, "sect409k1 (K-409)"},
 518     {12, "sect409r1 (B-409)"},
 519     {13, "sect571k1 (K-571)"},
 520     {14, "sect571r1 (B-571)"},
 521     {15, "secp160k1"},
 522     {16, "secp160r1"},
 523     {17, "secp160r2"},
 524     {18, "secp192k1"},
 525     {19, "secp192r1 (P-192)"},
 526     {20, "secp224k1"},
 527     {21, "secp224r1 (P-224)"},
 528     {22, "secp256k1"},
 529     {23, "secp256r1 (P-256)"},
 530     {24, "secp384r1 (P-384)"},
 531     {25, "secp521r1 (P-521)"},
 532     {26, "brainpoolP256r1"},
 533     {27, "brainpoolP384r1"},
 534     {28, "brainpoolP512r1"},
 535     {0xFF01, "arbitrary_explicit_prime_curves"},
 536     {0xFF02, "arbitrary_explicit_char2_curves"}
 537 };
 538
 539 static ssl_trace_tbl ssl_point_tbl[] = {
 540     {0, "uncompressed"},
 541     {1, "ansiX962_compressed_prime"},
 542     {2, "ansiX962_compressed_char2"}
 543 };
 544
 545 static ssl_trace_tbl ssl_md_tbl[] = {
 546     {TLSEXT_hash_none, "none"},
 547     {TLSEXT_hash_md5, "md5"},
 548     {TLSEXT_hash_sha1, "sha1"},
 549     {TLSEXT_hash_sha224, "sha224"},
 550     {TLSEXT_hash_sha256, "sha256"},
 551     {TLSEXT_hash_sha384, "sha384"},
 552     {TLSEXT_hash_sha512, "sha512"},
 553     {TLSEXT_hash_gostr3411, "md_gost94"},
 554     {TLSEXT_hash_gostr34112012_256, "md_gost2012_256"},
 555     {TLSEXT_hash_gostr34112012_512, "md_gost2012_512"}
 556 };
 557
 558 static ssl_trace_tbl ssl_sig_tbl[] = {
 559     {TLSEXT_signature_anonymous, "anonymous"},
 560     {TLSEXT_signature_rsa, "rsa"},
 561     {TLSEXT_signature_dsa, "dsa"},
 562     {TLSEXT_signature_ecdsa, "ecdsa"},
 563     {TLSEXT_signature_gostr34102001, "gost2001"},
 564     {TLSEXT_signature_gostr34102012_256, "gost2012_256"},
 565     {TLSEXT_signature_gostr34102012_512, "gost2012_512"}
 566 };
 567
 568 static ssl_trace_tbl ssl_hb_tbl[] = {
 569     {1, "peer_allowed_to_send"},
 570     {2, "peer_not_allowed_to_send"}
 571 };
 572
 573 static ssl_trace_tbl ssl_hb_type_tbl[] = {
 574     {1, "heartbeat_request"},
 575     {2, "heartbeat_response"}
 576 };
 577
 578 static ssl_trace_tbl ssl_ctype_tbl[] = {
 579     {1, "rsa_sign"},
 580     {2, "dss_sign"},
 581     {3, "rsa_fixed_dh"},
 582     {4, "dss_fixed_dh"},
 583     {5, "rsa_ephemeral_dh"},
 584     {6, "dss_ephemeral_dh"},
 585     {20, "fortezza_dms"},
 586     {64, "ecdsa_sign"},
 587     {65, "rsa_fixed_ecdh"},
 588     {66, "ecdsa_fixed_ecdh"}
 589 };
 590
 591 static ssl_trace_tbl ssl_crypto_tbl[] = {
 592     {TLS1_RT_CRYPTO_PREMASTER, "Premaster Secret"},
 593     {TLS1_RT_CRYPTO_CLIENT_RANDOM, "Client Random"},
 594     {TLS1_RT_CRYPTO_SERVER_RANDOM, "Server Random"},
 595     {TLS1_RT_CRYPTO_MASTER, "Master Secret"},
 596     {TLS1_RT_CRYPTO_MAC | TLS1_RT_CRYPTO_WRITE, "Write Mac Secret"},
 597     {TLS1_RT_CRYPTO_MAC | TLS1_RT_CRYPTO_READ, "Read Mac Secret"},
 598     {TLS1_RT_CRYPTO_KEY | TLS1_RT_CRYPTO_WRITE, "Write Key"},
 599     {TLS1_RT_CRYPTO_KEY | TLS1_RT_CRYPTO_READ, "Read Key"},
 600     {TLS1_RT_CRYPTO_IV | TLS1_RT_CRYPTO_WRITE, "Write IV"},
 601     {TLS1_RT_CRYPTO_IV | TLS1_RT_CRYPTO_READ, "Read IV"},
 602     {TLS1_RT_CRYPTO_FIXED_IV | TLS1_RT_CRYPTO_WRITE, "Write IV (fixed part)"},
 603     {TLS1_RT_CRYPTO_FIXED_IV | TLS1_RT_CRYPTO_READ, "Read IV (fixed part)"}
 604 };
 605
 606 static void ssl_print_hex(BIO *bio, int indent, const char *name,
 607                           const unsigned char *msg, size_t msglen)
 608 {
 609     size_t i;
 610     BIO_indent(bio, indent, 80);
 611     BIO_printf(bio, "%s (len=%d): ", name, (int)msglen);
 612     for (i = 0; i < msglen; i++)
 613         BIO_printf(bio, "%02X", msg[i]);
 614     BIO_puts(bio, "\n");
 615 }
 616
 617 static int ssl_print_hexbuf(BIO *bio, int indent,
 618                             const char *name, size_t nlen,
 619                             const unsigned char **pmsg, size_t *pmsglen)
 620 {
 621     size_t blen;
 622     const unsigned char *p = *pmsg;
 623     if (*pmsglen < nlen)
 624         return 0;
 625     blen = p[0];
 626     if (nlen > 1)
 627         blen = (blen << 8) | p[1];
 628     if (*pmsglen < nlen + blen)
 629         return 0;
 630     p += nlen;
 631     ssl_print_hex(bio, indent, name, p, blen);
 632     *pmsg += blen + nlen;
 633     *pmsglen -= blen + nlen;
 634     return 1;
 635 }
 636
 637 static int ssl_print_version(BIO *bio, int indent, const char *name,
 638                              const unsigned char **pmsg, size_t *pmsglen)
 639 {
 640     int vers;
 641     if (*pmsglen < 2)
 642         return 0;
 643     vers = ((*pmsg)[0] << 8) | (*pmsg)[1];
 644     BIO_indent(bio, indent, 80);
 645     BIO_printf(bio, "%s=0x%x (%s)\n",
 646                name, vers, ssl_trace_str(vers, ssl_version_tbl));
 647     *pmsg += 2;
 648     *pmsglen -= 2;
 649     return 1;
 650 }
 651
 652 static int ssl_print_random(BIO *bio, int indent,
 653                             const unsigned char **pmsg, size_t *pmsglen)
 654 {
 655     unsigned int tm;
 656     const unsigned char *p = *pmsg;
 657     if (*pmsglen < 32)
 658         return 0;
 659     tm = (p[0] << 24) | (p[1] << 16) | (p[2] << 8) | p[3];
 660     p += 4;
 661     BIO_indent(bio, indent, 80);
 662     BIO_puts(bio, "Random:\n");
 663     BIO_indent(bio, indent + 2, 80);
 664     BIO_printf(bio, "gmt_unix_time=0x%08X\n", tm);
 665     ssl_print_hex(bio, indent + 2, "random_bytes", p, 28);
 666     *pmsg += 32;
 667     *pmsglen -= 32;
 668     return 1;
 669 }
 670
 671 static int ssl_print_signature(BIO *bio, int indent, SSL *s,
 672                                const unsigned char **pmsg, size_t *pmsglen)
 673 {
 674     if (*pmsglen < 2)
 675         return 0;
 676     if (SSL_USE_SIGALGS(s)) {
 677         const unsigned char *p = *pmsg;
 678         BIO_indent(bio, indent, 80);
 679         BIO_printf(bio, "Signature Algorithm %s+%s (%d+%d)\n",
 680                    ssl_trace_str(p[0], ssl_md_tbl),
 681                    ssl_trace_str(p[1], ssl_sig_tbl), p[0], p[1]);
 682         *pmsg += 2;
 683         *pmsglen -= 2;
 684     }
 685     return ssl_print_hexbuf(bio, indent, "Signature", 2, pmsg, pmsglen);
 686 }
 687
 688 static int ssl_print_extension(BIO *bio, int indent, int server, int extype,
 689                                const unsigned char *ext, size_t extlen)
 690 {
 691     size_t xlen;
 692     BIO_indent(bio, indent, 80);
 693     BIO_printf(bio, "extension_type=%s(%d), length=%d\n",
 694                ssl_trace_str(extype, ssl_exts_tbl), extype, (int)extlen);
 695     switch (extype) {
 696     case TLSEXT_TYPE_ec_point_formats:
 697         if (extlen < 1)
 698             return 0;
 699         xlen = ext[0];
 700         if (extlen != xlen + 1)
 701             return 0;
 702         return ssl_trace_list(bio, indent + 2,
 703                               ext + 1, xlen, 1, ssl_point_tbl);
 704
 705     case TLSEXT_TYPE_elliptic_curves:
 706         if (extlen < 2)
 707             return 0;
 708         xlen = (ext[0] << 8) | ext[1];
 709         if (extlen != xlen + 2)
 710             return 0;
 711         return ssl_trace_list(bio, indent + 2,
 712                               ext + 2, xlen, 2, ssl_curve_tbl);
 713
 714     case TLSEXT_TYPE_signature_algorithms:
 715
 716         if (extlen < 2)
 717             return 0;
 718         xlen = (ext[0] << 8) | ext[1];
 719         if (extlen != xlen + 2)
 720             return 0;
 721         if (xlen & 1)
 722             return 0;
 723         ext += 2;
 724         while (xlen > 0) {
 725             BIO_indent(bio, indent + 2, 80);
 726             BIO_printf(bio, "%s+%s (%d+%d)\n",
 727                        ssl_trace_str(ext[0], ssl_md_tbl),
 728                        ssl_trace_str(ext[1], ssl_sig_tbl), ext[0], ext[1]);
 729             xlen -= 2;
 730             ext += 2;
 731         }
 732         break;
 733
 734     case TLSEXT_TYPE_renegotiate:
 735         if (extlen < 1)
 736             return 0;
 737         xlen = ext[0];
 738         if (xlen + 1 != extlen)
 739             return 0;
 740         ext++;
 741         if (xlen) {
 742             if (server) {
 743                 if (xlen & 1)
 744                     return 0;
 745                 xlen >>= 1;
 746             }
 747             ssl_print_hex(bio, indent + 4, "client_verify_data", ext, xlen);
 748             if (server) {
 749                 ext += xlen;
 750                 ssl_print_hex(bio, indent + 4,
 751                               "server_verify_data", ext, xlen);
 752             }
 753         } else {
 754             BIO_indent(bio, indent + 4, 80);
 755             BIO_puts(bio, "<EMPTY>\n");
 756         }
 757         break;
 758
 759     case TLSEXT_TYPE_heartbeat:
 760         if (extlen != 1)
 761             return 0;
 762         BIO_indent(bio, indent + 2, 80);
 763         BIO_printf(bio, "HeartbeatMode: %s\n",
 764                    ssl_trace_str(ext[0], ssl_hb_tbl));
 765         break;
 766
 767     case TLSEXT_TYPE_session_ticket:
 768         if (extlen != 0)
 769             ssl_print_hex(bio, indent + 4, "ticket", ext, extlen);
 770         break;
 771
 772     default:
 773         BIO_dump_indent(bio, (char *)ext, extlen, indent + 2);
 774     }
 775     return 1;
 776 }
 777
 778 static int ssl_print_extensions(BIO *bio, int indent, int server,
 779                                 const unsigned char *msg, size_t msglen)
 780 {
 781     size_t extslen;
 782     BIO_indent(bio, indent, 80);
 783     if (msglen == 0) {
 784         BIO_puts(bio, "No Extensions\n");
 785         return 1;
 786     }
 787     extslen = (msg[0] << 8) | msg[1];
 788     if (extslen != msglen - 2)
 789         return 0;
 790     msg += 2;
 791     msglen = extslen;
 792     BIO_printf(bio, "extensions, length = %d\n", (int)msglen);
 793     while (msglen > 0) {
 794         int extype;
 795         size_t extlen;
 796         if (msglen < 4)
 797             return 0;
 798         extype = (msg[0] << 8) | msg[1];
 799         extlen = (msg[2] << 8) | msg[3];
 800         if (msglen < extlen + 4)
 801             return 0;
 802         msg += 4;
 803         if (!ssl_print_extension(bio, indent + 2, server,
 804                                  extype, msg, extlen))
 805             return 0;
 806         msg += extlen;
 807         msglen -= extlen + 4;
 808     }
 809     return 1;
 810 }
 811
 812 static int ssl_print_client_hello(BIO *bio, SSL *ssl, int indent,
 813                                   const unsigned char *msg, size_t msglen)
 814 {
 815     size_t len;
 816     unsigned int cs;
 817     if (!ssl_print_version(bio, indent, "client_version", &msg, &msglen))
 818         return 0;
 819     if (!ssl_print_random(bio, indent, &msg, &msglen))
 820         return 0;
 821     if (!ssl_print_hexbuf(bio, indent, "session_id", 1, &msg, &msglen))
 822         return 0;
 823     if (SSL_IS_DTLS(ssl)) {
 824         if (!ssl_print_hexbuf(bio, indent, "cookie", 1, &msg, &msglen))
 825             return 0;
 826     }
 827     if (msglen < 2)
 828         return 0;
 829     len = (msg[0] << 8) | msg[1];
 830     msg += 2;
 831     msglen -= 2;
 832     BIO_indent(bio, indent, 80);
 833     BIO_printf(bio, "cipher_suites (len=%d)\n", (int)len);
 834     if (msglen < len || len & 1)
 835         return 0;
 836     while (len > 0) {
 837         cs = (msg[0] << 8) | msg[1];
 838         BIO_indent(bio, indent + 2, 80);
 839         BIO_printf(bio, "{0x%02X, 0x%02X} %s\n",
 840                    msg[0], msg[1], ssl_trace_str(cs, ssl_ciphers_tbl));
 841         msg += 2;
 842         msglen -= 2;
 843         len -= 2;
 844     }
 845     if (msglen < 1)
 846         return 0;
 847     len = msg[0];
 848     msg++;
 849     msglen--;
 850     if (msglen < len)
 851         return 0;
 852     BIO_indent(bio, indent, 80);
 853     BIO_printf(bio, "compression_methods (len=%d)\n", (int)len);
 854     while (len > 0) {
 855         BIO_indent(bio, indent + 2, 80);
 856         BIO_printf(bio, "%s (0x%02X)\n",
 857                    ssl_trace_str(msg[0], ssl_comp_tbl), msg[0]);
 858         msg++;
 859         msglen--;
 860         len--;
 861     }
 862     if (!ssl_print_extensions(bio, indent, 0, msg, msglen))
 863         return 0;
 864     return 1;
 865 }
 866
 867 static int dtls_print_hello_vfyrequest(BIO *bio, int indent,
 868                                        const unsigned char *msg,
 869                                        size_t msglen)
 870 {
 871     if (!ssl_print_version(bio, indent, "server_version", &msg, &msglen))
 872         return 0;
 873     if (!ssl_print_hexbuf(bio, indent, "cookie", 1, &msg, &msglen))
 874         return 0;
 875     return 1;
 876 }
 877
 878 static int ssl_print_server_hello(BIO *bio, int indent,
 879                                   const unsigned char *msg, size_t msglen)
 880 {
 881     unsigned int cs;
 882     if (!ssl_print_version(bio, indent, "server_version", &msg, &msglen))
 883         return 0;
 884     if (!ssl_print_random(bio, indent, &msg, &msglen))
 885         return 0;
 886     if (!ssl_print_hexbuf(bio, indent, "session_id", 1, &msg, &msglen))
 887         return 0;
 888     if (msglen < 2)
 889         return 0;
 890     cs = (msg[0] << 8) | msg[1];
 891     BIO_indent(bio, indent, 80);
 892     BIO_printf(bio, "cipher_suite {0x%02X, 0x%02X} %s\n",
 893                msg[0], msg[1], ssl_trace_str(cs, ssl_ciphers_tbl));
 894     msg += 2;
 895     msglen -= 2;
 896     if (msglen < 1)
 897         return 0;
 898     BIO_indent(bio, indent, 80);
 899     BIO_printf(bio, "compression_method: %s (0x%02X)\n",
 900                ssl_trace_str(msg[0], ssl_comp_tbl), msg[0]);
 901     msg++;
 902     msglen--;
 903     if (!ssl_print_extensions(bio, indent, 1, msg, msglen))
 904         return 0;
 905     return 1;
 906 }
 907
 908 static int ssl_get_keyex(const char **pname, SSL *ssl)
 909 {
 910     unsigned long alg_k = ssl->s3->tmp.new_cipher->algorithm_mkey;
 911     if (alg_k & SSL_kRSA) {
 912         *pname = "rsa";
 913         return SSL_kRSA;
 914     }
 915     if (alg_k & SSL_kDHE) {
 916         *pname = "DHE";
 917         return SSL_kDHE;
 918     }
 919     if (alg_k & SSL_kECDHE) {
 920         *pname = "ECDHE";
 921         return SSL_kECDHE;
 922     }
 923     if (alg_k & SSL_kECDHr) {
 924         *pname = "ECDH RSA";
 925         return SSL_kECDHr;
 926     }
 927     if (alg_k & SSL_kECDHe) {
 928         *pname = "ECDH ECDSA";
 929         return SSL_kECDHe;
 930     }
 931     if (alg_k & SSL_kPSK) {
 932         *pname = "PSK";
 933         return SSL_kPSK;
 934     }
 935     if (alg_k & SSL_kRSAPSK) {
 936         *pname = "RSAPSK";
 937         return SSL_kRSAPSK;
 938     }
 939     if (alg_k & SSL_kDHEPSK) {
 940         *pname = "DHEPSK";
 941         return SSL_kDHEPSK;
 942     }
 943     if (alg_k & SSL_kECDHEPSK) {
 944         *pname = "ECDHEPSK";
 945         return SSL_kECDHEPSK;
 946     }
 947     if (alg_k & SSL_kSRP) {
 948         *pname = "SRP";
 949         return SSL_kSRP;
 950     }
 951     if (alg_k & SSL_kGOST) {
 952         *pname = "GOST";
 953         return SSL_kGOST;
 954     }
 955     *pname = "UNKNOWN";
 956     return 0;
 957 }
 958
 959 static int ssl_print_client_keyex(BIO *bio, int indent, SSL *ssl,
 960                                   const unsigned char *msg, size_t msglen)
 961 {
 962     const char *algname;
 963     int id;
 964     id = ssl_get_keyex(&algname, ssl);
 965     BIO_indent(bio, indent, 80);
 966     BIO_printf(bio, "KeyExchangeAlgorithm=%s\n", algname);
 967     if (id & SSL_PSK) {
 968         if (!ssl_print_hexbuf(bio, indent + 2,
 969                               "psk_identity", 2, &msg, &msglen))
 970             return 0;
 971     }
 972     switch (id) {
 973
 974     case SSL_kRSA:
 975     case SSL_kRSAPSK:
 976         if (TLS1_get_version(ssl) == SSL3_VERSION) {
 977             ssl_print_hex(bio, indent + 2,
 978                           "EncyptedPreMasterSecret", msg, msglen);
 979         } else {
 980             if (!ssl_print_hexbuf(bio, indent + 2,
 981                                   "EncyptedPreMasterSecret", 2,
 982                                   &msg, &msglen))
 983                 return 0;
 984         }
 985         break;
 986
 987     case SSL_kDHE:
 988     case SSL_kDHEPSK:
 989         if (!ssl_print_hexbuf(bio, indent + 2, "dh_Yc", 2, &msg, &msglen))
 990             return 0;
 991         break;
 992
 993     case SSL_kECDHr:
 994     case SSL_kECDHe:
 995         if (msglen == 0) {
 996             BIO_indent(bio, indent + 2, 80);
 997             BIO_puts(bio, "implicit\n");
 998             break;
 999         }
1000     case SSL_kECDHE:
1001     case SSL_kECDHEPSK:
1002         if (!ssl_print_hexbuf(bio, indent + 2, "ecdh_Yc", 1, &msg, &msglen))
1003             return 0;
1004         break;
1005
1006     }
1007
1008     return !msglen;
1009 }
1010
1011 static int ssl_print_server_keyex(BIO *bio, int indent, SSL *ssl,
1012                                   const unsigned char *msg, size_t msglen)
1013 {
1014     const char *algname;
1015     int id;
1016     id = ssl_get_keyex(&algname, ssl);
1017     BIO_indent(bio, indent, 80);
1018     BIO_printf(bio, "KeyExchangeAlgorithm=%s\n", algname);
1019     if (id & SSL_PSK) {
1020         if (!ssl_print_hexbuf(bio, indent + 2,
1021                               "psk_identity_hint", 2, &msg, &msglen))
1022             return 0;
1023     }
1024     switch (id) {
1025         /* Should never happen */
1026     case SSL_kECDHr:
1027     case SSL_kECDHe:
1028         BIO_indent(bio, indent + 2, 80);
1029         BIO_printf(bio, "Unexpected Message\n");
1030         break;
1031
1032     case SSL_kRSA:
1033
1034         if (!ssl_print_hexbuf(bio, indent + 2, "rsa_modulus", 2,
1035                               &msg, &msglen))
1036             return 0;
1037         if (!ssl_print_hexbuf(bio, indent + 2, "rsa_exponent", 2,
1038                               &msg, &msglen))
1039             return 0;
1040         break;
1041
1042     case SSL_kDHE:
1043     case SSL_kDHEPSK:
1044         if (!ssl_print_hexbuf(bio, indent + 2, "dh_p", 2, &msg, &msglen))
1045             return 0;
1046         if (!ssl_print_hexbuf(bio, indent + 2, "dh_g", 2, &msg, &msglen))
1047             return 0;
1048         if (!ssl_print_hexbuf(bio, indent + 2, "dh_Ys", 2, &msg, &msglen))
1049             return 0;
1050         break;
1051
1052 #ifndef OPENSSL_NO_EC
1053     case SSL_kECDHE:
1054     case SSL_kECDHEPSK:
1055         if (msglen < 1)
1056             return 0;
1057         BIO_indent(bio, indent + 2, 80);
1058         if (msg[0] == EXPLICIT_PRIME_CURVE_TYPE)
1059             BIO_puts(bio, "explicit_prime\n");
1060         else if (msg[0] == EXPLICIT_CHAR2_CURVE_TYPE)
1061             BIO_puts(bio, "explicit_char2\n");
1062         else if (msg[0] == NAMED_CURVE_TYPE) {
1063             int curve;
1064             if (msglen < 3)
1065                 return 0;
1066             curve = (msg[1] << 8) | msg[2];
1067             BIO_printf(bio, "named_curve: %s (%d)\n",
1068                        ssl_trace_str(curve, ssl_curve_tbl), curve);
1069             msg += 3;
1070             msglen -= 3;
1071             if (!ssl_print_hexbuf(bio, indent + 2, "point", 1, &msg, &msglen))
1072                 return 0;
1073         } else {
1074             BIO_printf(bio, "UNKNOWN CURVE PARAMETER TYPE %d\n", msg[0]);
1075             return 0;
1076         }
1077         break;
1078 #endif
1079
1080     case SSL_kPSK:
1081     case SSL_kRSAPSK:
1082         break;
1083     }
1084     if (!(id & SSL_PSK))
1085         ssl_print_signature(bio, indent, ssl, &msg, &msglen);
1086     return !msglen;
1087 }
1088
1089 static int ssl_print_certificate(BIO *bio, int indent,
1090                                  const unsigned char **pmsg, size_t *pmsglen)
1091 {
1092     size_t msglen = *pmsglen;
1093     size_t clen;
1094     X509 *x;
1095     const unsigned char *p = *pmsg, *q;
1096     if (msglen < 3)
1097         return 0;
1098     clen = (p[0] << 16) | (p[1] << 8) | p[2];
1099     if (msglen < clen + 3)
1100         return 0;
1101     q = p + 3;
1102     BIO_indent(bio, indent, 80);
1103     BIO_printf(bio, "ASN.1Cert, length=%d", (int)clen);
1104     x = d2i_X509(NULL, &q, clen);
1105     if (!x)
1106         BIO_puts(bio, "<UNPARSEABLE CERTIFICATE>\n");
1107     else {
1108         BIO_puts(bio, "\n------details-----\n");
1109         X509_print_ex(bio, x, XN_FLAG_ONELINE, 0);
1110         PEM_write_bio_X509(bio, x);
1111         /* Print certificate stuff */
1112         BIO_puts(bio, "------------------\n");
1113         X509_free(x);
1114     }
1115     if (q != p + 3 + clen) {
1116         BIO_puts(bio, "<TRAILING GARBAGE AFTER CERTIFICATE>\n");
1117     }
1118     *pmsg += clen + 3;
1119     *pmsglen -= clen + 3;
1120     return 1;
1121 }
1122
1123 static int ssl_print_certificates(BIO *bio, int indent,
1124                                   const unsigned char *msg, size_t msglen)
1125 {
1126     size_t clen;
1127     if (msglen < 3)
1128         return 0;
1129     clen = (msg[0] << 16) | (msg[1] << 8) | msg[2];
1130     if (msglen != clen + 3)
1131         return 0;
1132     msg += 3;
1133     BIO_indent(bio, indent, 80);
1134     BIO_printf(bio, "certificate_list, length=%d\n", (int)clen);
1135     while (clen > 0) {
1136         if (!ssl_print_certificate(bio, indent + 2, &msg, &clen))
1137             return 0;
1138     }
1139     return 1;
1140 }
1141
1142 static int ssl_print_cert_request(BIO *bio, int indent, SSL *s,
1143                                   const unsigned char *msg, size_t msglen)
1144 {
1145     size_t xlen;
1146     if (msglen < 1)
1147         return 0;
1148     xlen = msg[0];
1149     if (msglen < xlen + 1)
1150         return 0;
1151     msg++;
1152     BIO_indent(bio, indent, 80);
1153     BIO_printf(bio, "certificate_types (len=%d)\n", (int)xlen);
1154     if (!ssl_trace_list(bio, indent + 2, msg, xlen, 1, ssl_ctype_tbl))
1155         return 0;
1156     msg += xlen;
1157     msglen -= xlen + 1;
1158     if (!SSL_USE_SIGALGS(s))
1159         goto skip_sig;
1160     if (msglen < 2)
1161         return 0;
1162     xlen = (msg[0] << 8) | msg[1];
1163     if (msglen < xlen + 2 || (xlen & 1))
1164         return 0;
1165     msg += 2;
1166     BIO_indent(bio, indent, 80);
1167     BIO_printf(bio, "signature_algorithms (len=%d)\n", (int)xlen);
1168     while (xlen > 0) {
1169         BIO_indent(bio, indent + 2, 80);
1170         BIO_printf(bio, "%s+%s (%d+%d)\n",
1171                    ssl_trace_str(msg[0], ssl_md_tbl),
1172                    ssl_trace_str(msg[1], ssl_sig_tbl), msg[0], msg[1]);
1173         xlen -= 2;
1174         msg += 2;
1175     }
1176     msg += xlen;
1177     msglen -= xlen + 2;
1178
1179  skip_sig:
1180     xlen = (msg[0] << 8) | msg[1];
1181     BIO_indent(bio, indent, 80);
1182     if (msglen < xlen + 2)
1183         return 0;
1184     msg += 2;
1185     msglen -= 2;
1186     BIO_printf(bio, "certificate_authorities (len=%d)\n", (int)xlen);
1187     while (xlen > 0) {
1188         size_t dlen;
1189         X509_NAME *nm;
1190         const unsigned char *p;
1191         if (xlen < 2)
1192             return 0;
1193         dlen = (msg[0] << 8) | msg[1];
1194         if (xlen < dlen + 2)
1195             return 0;
1196         msg += 2;
1197         BIO_indent(bio, indent + 2, 80);
1198         BIO_printf(bio, "DistinguishedName (len=%d): ", (int)dlen);
1199         p = msg;
1200         nm = d2i_X509_NAME(NULL, &p, dlen);
1201         if (!nm) {
1202             BIO_puts(bio, "<UNPARSEABLE DN>\n");
1203         } else {
1204             X509_NAME_print_ex(bio, nm, 0, XN_FLAG_ONELINE);
1205             BIO_puts(bio, "\n");
1206             X509_NAME_free(nm);
1207         }
1208         xlen -= dlen + 2;
1209         msg += dlen;
1210     }
1211     return 1;
1212 }
1213
1214 static int ssl_print_ticket(BIO *bio, int indent,
1215                             const unsigned char *msg, size_t msglen)
1216 {
1217     unsigned int tick_life;
1218     if (msglen == 0) {
1219         BIO_indent(bio, indent + 2, 80);
1220         BIO_puts(bio, "No Ticket\n");
1221         return 1;
1222     }
1223     if (msglen < 4)
1224         return 0;
1225     tick_life = (msg[0] << 24) | (msg[1] << 16) | (msg[2] << 8) | msg[3];
1226     msglen -= 4;
1227     msg += 4;
1228     BIO_indent(bio, indent + 2, 80);
1229     BIO_printf(bio, "ticket_lifetime_hint=%u\n", tick_life);
1230     if (!ssl_print_hexbuf(bio, indent + 2, "ticket", 2, &msg, &msglen))
1231         return 0;
1232     if (msglen)
1233         return 0;
1234     return 1;
1235 }
1236
1237 static int ssl_print_handshake(BIO *bio, SSL *ssl,
1238                                const unsigned char *msg, size_t msglen,
1239                                int indent)
1240 {
1241     size_t hlen;
1242     unsigned char htype;
1243     if (msglen < 4)
1244         return 0;
1245     htype = msg[0];
1246     hlen = (msg[1] << 16) | (msg[2] << 8) | msg[3];
1247     BIO_indent(bio, indent, 80);
1248     BIO_printf(bio, "%s, Length=%d\n",
1249                ssl_trace_str(htype, ssl_handshake_tbl), (int)hlen);
1250     msg += 4;
1251     msglen -= 4;
1252     if (SSL_IS_DTLS(ssl)) {
1253         if (msglen < 8)
1254             return 0;
1255         BIO_indent(bio, indent, 80);
1256         BIO_printf(bio, "message_seq=%d, fragment_offset=%d, "
1257                    "fragment_length=%d\n",
1258                    (msg[0] << 8) | msg[1],
1259                    (msg[2] << 16) | (msg[3] << 8) | msg[4],
1260                    (msg[5] << 16) | (msg[6] << 8) | msg[7]);
1261         msg += 8;
1262         msglen -= 8;
1263     }
1264     if (msglen < hlen)
1265         return 0;
1266     switch (htype) {
1267     case SSL3_MT_CLIENT_HELLO:
1268         if (!ssl_print_client_hello(bio, ssl, indent + 2, msg, msglen))
1269             return 0;
1270         break;
1271
1272     case DTLS1_MT_HELLO_VERIFY_REQUEST:
1273         if (!dtls_print_hello_vfyrequest(bio, indent + 2, msg, msglen))
1274             return 0;
1275         break;
1276
1277     case SSL3_MT_SERVER_HELLO:
1278         if (!ssl_print_server_hello(bio, indent + 2, msg, msglen))
1279             return 0;
1280         break;
1281
1282     case SSL3_MT_SERVER_KEY_EXCHANGE:
1283         if (!ssl_print_server_keyex(bio, indent + 2, ssl, msg, msglen))
1284             return 0;
1285         break;
1286
1287     case SSL3_MT_CLIENT_KEY_EXCHANGE:
1288         if (!ssl_print_client_keyex(bio, indent + 2, ssl, msg, msglen))
1289             return 0;
1290         break;
1291
1292     case SSL3_MT_CERTIFICATE:
1293         if (!ssl_print_certificates(bio, indent + 2, msg, msglen))
1294             return 0;
1295         break;
1296
1297     case SSL3_MT_CERTIFICATE_VERIFY:
1298         if (!ssl_print_signature(bio, indent + 2, ssl, &msg, &msglen))
1299             return 0;
1300         break;
1301
1302     case SSL3_MT_CERTIFICATE_REQUEST:
1303         if (!ssl_print_cert_request(bio, indent + 2, ssl, msg, msglen))
1304             return 0;
1305         break;
1306
1307     case SSL3_MT_FINISHED:
1308         ssl_print_hex(bio, indent + 2, "verify_data", msg, msglen);
1309         break;
1310
1311     case SSL3_MT_SERVER_DONE:
1312         if (msglen != 0)
1313             ssl_print_hex(bio, indent + 2, "unexpected value", msg, msglen);
1314         break;
1315
1316     case SSL3_MT_NEWSESSION_TICKET:
1317         if (!ssl_print_ticket(bio, indent + 2, msg, msglen))
1318             return 0;
1319         break;
1320
1321     default:
1322         BIO_indent(bio, indent + 2, 80);
1323         BIO_puts(bio, "Unsupported, hex dump follows:\n");
1324         BIO_dump_indent(bio, (char *)msg, msglen, indent + 4);
1325     }
1326     return 1;
1327 }
1328
1329 static int ssl_print_heartbeat(BIO *bio, int indent,
1330                                const unsigned char *msg, size_t msglen)
1331 {
1332     if (msglen < 3)
1333         return 0;
1334     BIO_indent(bio, indent, 80);
1335     BIO_printf(bio, "HeartBeatMessageType: %s\n",
1336                ssl_trace_str(msg[0], ssl_hb_type_tbl));
1337     msg++;
1338     msglen--;
1339     if (!ssl_print_hexbuf(bio, indent, "payload", 2, &msg, &msglen))
1340         return 0;
1341     ssl_print_hex(bio, indent, "padding", msg, msglen);
1342     return 1;
1343 }
1344
1345 const char *SSL_CIPHER_standard_name(const SSL_CIPHER *c)
1346 {
1347     return ssl_trace_str(c->id & 0xFFFF, ssl_ciphers_tbl);
1348 }
1349
1350 void SSL_trace(int write_p, int version, int content_type,
1351                const void *buf, size_t msglen, SSL *ssl, void *arg)
1352 {
1353     const unsigned char *msg = buf;
1354     BIO *bio = arg;
1355
1356     if (write_p == 2) {
1357         BIO_puts(bio, "Session ");
1358         ssl_print_hex(bio, 0,
1359                       ssl_trace_str(content_type, ssl_crypto_tbl),
1360                       msg, msglen);
1361         return;
1362     }
1363     switch (content_type) {
1364     case SSL3_RT_HEADER:
1365         {
1366             int hvers = msg[1] << 8 | msg[2];
1367             BIO_puts(bio, write_p ? "Sent" : "Received");
1368             BIO_printf(bio, " Record\nHeader:\n  Version = %s (0x%x)\n",
1369                        ssl_trace_str(hvers, ssl_version_tbl), hvers);
1370             if (SSL_IS_DTLS(ssl)) {
1371                 BIO_printf(bio,
1372                            "  epoch=%d, sequence_number=%04x%04x%04x\n",
1373                            (msg[3] << 8 | msg[4]),
1374                            (msg[5] << 8 | msg[6]),
1375                            (msg[7] << 8 | msg[8]), (msg[9] << 8 | msg[10]));
1376             }
1377
1378             BIO_printf(bio, "  Content Type = %s (%d)\n  Length = %d",
1379                        ssl_trace_str(msg[0], ssl_content_tbl), msg[0],
1380                        msg[msglen - 2] << 8 | msg[msglen - 1]);
1381         }
1382         break;
1383     case SSL3_RT_HANDSHAKE:
1384         if (!ssl_print_handshake(bio, ssl, msg, msglen, 4))
1385             BIO_printf(bio, "Message length parse error!\n");
1386         break;
1387
1388     case SSL3_RT_CHANGE_CIPHER_SPEC:
1389         if (msglen == 1 && msg[0] == 1)
1390             BIO_puts(bio, "    change_cipher_spec (1)\n");
1391         else
1392             ssl_print_hex(bio, 4, "unknown value", msg, msglen);
1393         break;
1394
1395     case SSL3_RT_ALERT:
1396         if (msglen != 2)
1397             BIO_puts(bio, "    Illegal Alert Length\n");
1398         else {
1399             BIO_printf(bio, "    Level=%s(%d), description=%s(%d)\n",
1400                        SSL_alert_type_string_long(msg[0] << 8),
1401                        msg[0], SSL_alert_desc_string_long(msg[1]), msg[1]);
1402         }
1403     case TLS1_RT_HEARTBEAT:
1404         ssl_print_heartbeat(bio, 4, msg, msglen);
1405         break;
1406
1407     }
1408
1409     BIO_puts(bio, "\n");
1410 }
1411
1412 #endif