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     {0xCCA8, "TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305" },
 465     {0xCCA9, "TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305" },
 466     {0xCCAA, "TLS_DHE_RSA_WITH_CHACHA20_POLY1305" },
 467     {0xCCAB, "TLS_PSK_WITH_CHACHA20_POLY1305" },
 468     {0xCCAC, "TLS_ECDHE_PSK_WITH_CHACHA20_POLY1305" },
 469     {0xCCAD, "TLS_DHE_PSK_WITH_CHACHA20_POLY1305" },
 470     {0xCCAE, "TLS_RSA_PSK_WITH_CHACHA20_POLY1305" },
 471     {0xFEFE, "SSL_RSA_FIPS_WITH_DES_CBC_SHA"},
 472     {0xFEFF, "SSL_RSA_FIPS_WITH_3DES_EDE_CBC_SHA"},
 473 };
 474
 475 /* Compression methods */
 476 static ssl_trace_tbl ssl_comp_tbl[] = {
 477     {0x0000, "No Compression"},
 478     {0x0001, "Zlib Compression"}
 479 };
 480
 481 /* Extensions */
 482 static ssl_trace_tbl ssl_exts_tbl[] = {
 483     {TLSEXT_TYPE_server_name, "server_name"},
 484     {TLSEXT_TYPE_max_fragment_length, "max_fragment_length"},
 485     {TLSEXT_TYPE_client_certificate_url, "client_certificate_url"},
 486     {TLSEXT_TYPE_trusted_ca_keys, "trusted_ca_keys"},
 487     {TLSEXT_TYPE_truncated_hmac, "truncated_hmac"},
 488     {TLSEXT_TYPE_status_request, "status_request"},
 489     {TLSEXT_TYPE_user_mapping, "user_mapping"},
 490     {TLSEXT_TYPE_client_authz, "client_authz"},
 491     {TLSEXT_TYPE_server_authz, "server_authz"},
 492     {TLSEXT_TYPE_cert_type, "cert_type"},
 493     {TLSEXT_TYPE_elliptic_curves, "elliptic_curves"},
 494     {TLSEXT_TYPE_ec_point_formats, "ec_point_formats"},
 495     {TLSEXT_TYPE_srp, "srp"},
 496     {TLSEXT_TYPE_signature_algorithms, "signature_algorithms"},
 497     {TLSEXT_TYPE_use_srtp, "use_srtp"},
 498     {TLSEXT_TYPE_heartbeat, "heartbeat"},
 499     {TLSEXT_TYPE_session_ticket, "session_ticket"},
 500     {TLSEXT_TYPE_renegotiate, "renegotiate"},
 501     {TLSEXT_TYPE_next_proto_neg, "next_proto_neg"},
 502     {TLSEXT_TYPE_padding, "padding"},
 503     {TLSEXT_TYPE_encrypt_then_mac, "encrypt_then_mac"},
 504     {TLSEXT_TYPE_extended_master_secret, "extended_master_secret"}
 505 };
 506
 507 static ssl_trace_tbl ssl_curve_tbl[] = {
 508     {1, "sect163k1 (K-163)"},
 509     {2, "sect163r1"},
 510     {3, "sect163r2 (B-163)"},
 511     {4, "sect193r1"},
 512     {5, "sect193r2"},
 513     {6, "sect233k1 (K-233)"},
 514     {7, "sect233r1 (B-233)"},
 515     {8, "sect239k1"},
 516     {9, "sect283k1 (K-283)"},
 517     {10, "sect283r1 (B-283)"},
 518     {11, "sect409k1 (K-409)"},
 519     {12, "sect409r1 (B-409)"},
 520     {13, "sect571k1 (K-571)"},
 521     {14, "sect571r1 (B-571)"},
 522     {15, "secp160k1"},
 523     {16, "secp160r1"},
 524     {17, "secp160r2"},
 525     {18, "secp192k1"},
 526     {19, "secp192r1 (P-192)"},
 527     {20, "secp224k1"},
 528     {21, "secp224r1 (P-224)"},
 529     {22, "secp256k1"},
 530     {23, "secp256r1 (P-256)"},
 531     {24, "secp384r1 (P-384)"},
 532     {25, "secp521r1 (P-521)"},
 533     {26, "brainpoolP256r1"},
 534     {27, "brainpoolP384r1"},
 535     {28, "brainpoolP512r1"},
 536     {0xFF01, "arbitrary_explicit_prime_curves"},
 537     {0xFF02, "arbitrary_explicit_char2_curves"}
 538 };
 539
 540 static ssl_trace_tbl ssl_point_tbl[] = {
 541     {0, "uncompressed"},
 542     {1, "ansiX962_compressed_prime"},
 543     {2, "ansiX962_compressed_char2"}
 544 };
 545
 546 static ssl_trace_tbl ssl_md_tbl[] = {
 547     {TLSEXT_hash_none, "none"},
 548     {TLSEXT_hash_md5, "md5"},
 549     {TLSEXT_hash_sha1, "sha1"},
 550     {TLSEXT_hash_sha224, "sha224"},
 551     {TLSEXT_hash_sha256, "sha256"},
 552     {TLSEXT_hash_sha384, "sha384"},
 553     {TLSEXT_hash_sha512, "sha512"},
 554     {TLSEXT_hash_gostr3411, "md_gost94"},
 555     {TLSEXT_hash_gostr34112012_256, "md_gost2012_256"},
 556     {TLSEXT_hash_gostr34112012_512, "md_gost2012_512"}
 557 };
 558
 559 static ssl_trace_tbl ssl_sig_tbl[] = {
 560     {TLSEXT_signature_anonymous, "anonymous"},
 561     {TLSEXT_signature_rsa, "rsa"},
 562     {TLSEXT_signature_dsa, "dsa"},
 563     {TLSEXT_signature_ecdsa, "ecdsa"},
 564     {TLSEXT_signature_gostr34102001, "gost2001"},
 565     {TLSEXT_signature_gostr34102012_256, "gost2012_256"},
 566     {TLSEXT_signature_gostr34102012_512, "gost2012_512"}
 567 };
 568
 569 static ssl_trace_tbl ssl_hb_tbl[] = {
 570     {1, "peer_allowed_to_send"},
 571     {2, "peer_not_allowed_to_send"}
 572 };
 573
 574 static ssl_trace_tbl ssl_hb_type_tbl[] = {
 575     {1, "heartbeat_request"},
 576     {2, "heartbeat_response"}
 577 };
 578
 579 static ssl_trace_tbl ssl_ctype_tbl[] = {
 580     {1, "rsa_sign"},
 581     {2, "dss_sign"},
 582     {3, "rsa_fixed_dh"},
 583     {4, "dss_fixed_dh"},
 584     {5, "rsa_ephemeral_dh"},
 585     {6, "dss_ephemeral_dh"},
 586     {20, "fortezza_dms"},
 587     {64, "ecdsa_sign"},
 588     {65, "rsa_fixed_ecdh"},
 589     {66, "ecdsa_fixed_ecdh"}
 590 };
 591
 592 static ssl_trace_tbl ssl_crypto_tbl[] = {
 593     {TLS1_RT_CRYPTO_PREMASTER, "Premaster Secret"},
 594     {TLS1_RT_CRYPTO_CLIENT_RANDOM, "Client Random"},
 595     {TLS1_RT_CRYPTO_SERVER_RANDOM, "Server Random"},
 596     {TLS1_RT_CRYPTO_MASTER, "Master Secret"},
 597     {TLS1_RT_CRYPTO_MAC | TLS1_RT_CRYPTO_WRITE, "Write Mac Secret"},
 598     {TLS1_RT_CRYPTO_MAC | TLS1_RT_CRYPTO_READ, "Read Mac Secret"},
 599     {TLS1_RT_CRYPTO_KEY | TLS1_RT_CRYPTO_WRITE, "Write Key"},
 600     {TLS1_RT_CRYPTO_KEY | TLS1_RT_CRYPTO_READ, "Read Key"},
 601     {TLS1_RT_CRYPTO_IV | TLS1_RT_CRYPTO_WRITE, "Write IV"},
 602     {TLS1_RT_CRYPTO_IV | TLS1_RT_CRYPTO_READ, "Read IV"},
 603     {TLS1_RT_CRYPTO_FIXED_IV | TLS1_RT_CRYPTO_WRITE, "Write IV (fixed part)"},
 604     {TLS1_RT_CRYPTO_FIXED_IV | TLS1_RT_CRYPTO_READ, "Read IV (fixed part)"}
 605 };
 606
 607 static void ssl_print_hex(BIO *bio, int indent, const char *name,
 608                           const unsigned char *msg, size_t msglen)
 609 {
 610     size_t i;
 611     BIO_indent(bio, indent, 80);
 612     BIO_printf(bio, "%s (len=%d): ", name, (int)msglen);
 613     for (i = 0; i < msglen; i++)
 614         BIO_printf(bio, "%02X", msg[i]);
 615     BIO_puts(bio, "\n");
 616 }
 617
 618 static int ssl_print_hexbuf(BIO *bio, int indent,
 619                             const char *name, size_t nlen,
 620                             const unsigned char **pmsg, size_t *pmsglen)
 621 {
 622     size_t blen;
 623     const unsigned char *p = *pmsg;
 624     if (*pmsglen < nlen)
 625         return 0;
 626     blen = p[0];
 627     if (nlen > 1)
 628         blen = (blen << 8) | p[1];
 629     if (*pmsglen < nlen + blen)
 630         return 0;
 631     p += nlen;
 632     ssl_print_hex(bio, indent, name, p, blen);
 633     *pmsg += blen + nlen;
 634     *pmsglen -= blen + nlen;
 635     return 1;
 636 }
 637
 638 static int ssl_print_version(BIO *bio, int indent, const char *name,
 639                              const unsigned char **pmsg, size_t *pmsglen)
 640 {
 641     int vers;
 642     if (*pmsglen < 2)
 643         return 0;
 644     vers = ((*pmsg)[0] << 8) | (*pmsg)[1];
 645     BIO_indent(bio, indent, 80);
 646     BIO_printf(bio, "%s=0x%x (%s)\n",
 647                name, vers, ssl_trace_str(vers, ssl_version_tbl));
 648     *pmsg += 2;
 649     *pmsglen -= 2;
 650     return 1;
 651 }
 652
 653 static int ssl_print_random(BIO *bio, int indent,
 654                             const unsigned char **pmsg, size_t *pmsglen)
 655 {
 656     unsigned int tm;
 657     const unsigned char *p = *pmsg;
 658     if (*pmsglen < 32)
 659         return 0;
 660     tm = (p[0] << 24) | (p[1] << 16) | (p[2] << 8) | p[3];
 661     p += 4;
 662     BIO_indent(bio, indent, 80);
 663     BIO_puts(bio, "Random:\n");
 664     BIO_indent(bio, indent + 2, 80);
 665     BIO_printf(bio, "gmt_unix_time=0x%08X\n", tm);
 666     ssl_print_hex(bio, indent + 2, "random_bytes", p, 28);
 667     *pmsg += 32;
 668     *pmsglen -= 32;
 669     return 1;
 670 }
 671
 672 static int ssl_print_signature(BIO *bio, int indent, SSL *s,
 673                                const unsigned char **pmsg, size_t *pmsglen)
 674 {
 675     if (*pmsglen < 2)
 676         return 0;
 677     if (SSL_USE_SIGALGS(s)) {
 678         const unsigned char *p = *pmsg;
 679         BIO_indent(bio, indent, 80);
 680         BIO_printf(bio, "Signature Algorithm %s+%s (%d+%d)\n",
 681                    ssl_trace_str(p[0], ssl_md_tbl),
 682                    ssl_trace_str(p[1], ssl_sig_tbl), p[0], p[1]);
 683         *pmsg += 2;
 684         *pmsglen -= 2;
 685     }
 686     return ssl_print_hexbuf(bio, indent, "Signature", 2, pmsg, pmsglen);
 687 }
 688
 689 static int ssl_print_extension(BIO *bio, int indent, int server, int extype,
 690                                const unsigned char *ext, size_t extlen)
 691 {
 692     size_t xlen;
 693     BIO_indent(bio, indent, 80);
 694     BIO_printf(bio, "extension_type=%s(%d), length=%d\n",
 695                ssl_trace_str(extype, ssl_exts_tbl), extype, (int)extlen);
 696     switch (extype) {
 697     case TLSEXT_TYPE_ec_point_formats:
 698         if (extlen < 1)
 699             return 0;
 700         xlen = ext[0];
 701         if (extlen != xlen + 1)
 702             return 0;
 703         return ssl_trace_list(bio, indent + 2,
 704                               ext + 1, xlen, 1, ssl_point_tbl);
 705
 706     case TLSEXT_TYPE_elliptic_curves:
 707         if (extlen < 2)
 708             return 0;
 709         xlen = (ext[0] << 8) | ext[1];
 710         if (extlen != xlen + 2)
 711             return 0;
 712         return ssl_trace_list(bio, indent + 2,
 713                               ext + 2, xlen, 2, ssl_curve_tbl);
 714
 715     case TLSEXT_TYPE_signature_algorithms:
 716
 717         if (extlen < 2)
 718             return 0;
 719         xlen = (ext[0] << 8) | ext[1];
 720         if (extlen != xlen + 2)
 721             return 0;
 722         if (xlen & 1)
 723             return 0;
 724         ext += 2;
 725         while (xlen > 0) {
 726             BIO_indent(bio, indent + 2, 80);
 727             BIO_printf(bio, "%s+%s (%d+%d)\n",
 728                        ssl_trace_str(ext[0], ssl_md_tbl),
 729                        ssl_trace_str(ext[1], ssl_sig_tbl), ext[0], ext[1]);
 730             xlen -= 2;
 731             ext += 2;
 732         }
 733         break;
 734
 735     case TLSEXT_TYPE_renegotiate:
 736         if (extlen < 1)
 737             return 0;
 738         xlen = ext[0];
 739         if (xlen + 1 != extlen)
 740             return 0;
 741         ext++;
 742         if (xlen) {
 743             if (server) {
 744                 if (xlen & 1)
 745                     return 0;
 746                 xlen >>= 1;
 747             }
 748             ssl_print_hex(bio, indent + 4, "client_verify_data", ext, xlen);
 749             if (server) {
 750                 ext += xlen;
 751                 ssl_print_hex(bio, indent + 4,
 752                               "server_verify_data", ext, xlen);
 753             }
 754         } else {
 755             BIO_indent(bio, indent + 4, 80);
 756             BIO_puts(bio, "<EMPTY>\n");
 757         }
 758         break;
 759
 760     case TLSEXT_TYPE_heartbeat:
 761         if (extlen != 1)
 762             return 0;
 763         BIO_indent(bio, indent + 2, 80);
 764         BIO_printf(bio, "HeartbeatMode: %s\n",
 765                    ssl_trace_str(ext[0], ssl_hb_tbl));
 766         break;
 767
 768     case TLSEXT_TYPE_session_ticket:
 769         if (extlen != 0)
 770             ssl_print_hex(bio, indent + 4, "ticket", ext, extlen);
 771         break;
 772
 773     default:
 774         BIO_dump_indent(bio, (char *)ext, extlen, indent + 2);
 775     }
 776     return 1;
 777 }
 778
 779 static int ssl_print_extensions(BIO *bio, int indent, int server,
 780                                 const unsigned char *msg, size_t msglen)
 781 {
 782     size_t extslen;
 783     BIO_indent(bio, indent, 80);
 784     if (msglen == 0) {
 785         BIO_puts(bio, "No Extensions\n");
 786         return 1;
 787     }
 788     extslen = (msg[0] << 8) | msg[1];
 789     if (extslen != msglen - 2)
 790         return 0;
 791     msg += 2;
 792     msglen = extslen;
 793     BIO_printf(bio, "extensions, length = %d\n", (int)msglen);
 794     while (msglen > 0) {
 795         int extype;
 796         size_t extlen;
 797         if (msglen < 4)
 798             return 0;
 799         extype = (msg[0] << 8) | msg[1];
 800         extlen = (msg[2] << 8) | msg[3];
 801         if (msglen < extlen + 4)
 802             return 0;
 803         msg += 4;
 804         if (!ssl_print_extension(bio, indent + 2, server,
 805                                  extype, msg, extlen))
 806             return 0;
 807         msg += extlen;
 808         msglen -= extlen + 4;
 809     }
 810     return 1;
 811 }
 812
 813 static int ssl_print_client_hello(BIO *bio, SSL *ssl, int indent,
 814                                   const unsigned char *msg, size_t msglen)
 815 {
 816     size_t len;
 817     unsigned int cs;
 818     if (!ssl_print_version(bio, indent, "client_version", &msg, &msglen))
 819         return 0;
 820     if (!ssl_print_random(bio, indent, &msg, &msglen))
 821         return 0;
 822     if (!ssl_print_hexbuf(bio, indent, "session_id", 1, &msg, &msglen))
 823         return 0;
 824     if (SSL_IS_DTLS(ssl)) {
 825         if (!ssl_print_hexbuf(bio, indent, "cookie", 1, &msg, &msglen))
 826             return 0;
 827     }
 828     if (msglen < 2)
 829         return 0;
 830     len = (msg[0] << 8) | msg[1];
 831     msg += 2;
 832     msglen -= 2;
 833     BIO_indent(bio, indent, 80);
 834     BIO_printf(bio, "cipher_suites (len=%d)\n", (int)len);
 835     if (msglen < len || len & 1)
 836         return 0;
 837     while (len > 0) {
 838         cs = (msg[0] << 8) | msg[1];
 839         BIO_indent(bio, indent + 2, 80);
 840         BIO_printf(bio, "{0x%02X, 0x%02X} %s\n",
 841                    msg[0], msg[1], ssl_trace_str(cs, ssl_ciphers_tbl));
 842         msg += 2;
 843         msglen -= 2;
 844         len -= 2;
 845     }
 846     if (msglen < 1)
 847         return 0;
 848     len = msg[0];
 849     msg++;
 850     msglen--;
 851     if (msglen < len)
 852         return 0;
 853     BIO_indent(bio, indent, 80);
 854     BIO_printf(bio, "compression_methods (len=%d)\n", (int)len);
 855     while (len > 0) {
 856         BIO_indent(bio, indent + 2, 80);
 857         BIO_printf(bio, "%s (0x%02X)\n",
 858                    ssl_trace_str(msg[0], ssl_comp_tbl), msg[0]);
 859         msg++;
 860         msglen--;
 861         len--;
 862     }
 863     if (!ssl_print_extensions(bio, indent, 0, msg, msglen))
 864         return 0;
 865     return 1;
 866 }
 867
 868 static int dtls_print_hello_vfyrequest(BIO *bio, int indent,
 869                                        const unsigned char *msg,
 870                                        size_t msglen)
 871 {
 872     if (!ssl_print_version(bio, indent, "server_version", &msg, &msglen))
 873         return 0;
 874     if (!ssl_print_hexbuf(bio, indent, "cookie", 1, &msg, &msglen))
 875         return 0;
 876     return 1;
 877 }
 878
 879 static int ssl_print_server_hello(BIO *bio, int indent,
 880                                   const unsigned char *msg, size_t msglen)
 881 {
 882     unsigned int cs;
 883     if (!ssl_print_version(bio, indent, "server_version", &msg, &msglen))
 884         return 0;
 885     if (!ssl_print_random(bio, indent, &msg, &msglen))
 886         return 0;
 887     if (!ssl_print_hexbuf(bio, indent, "session_id", 1, &msg, &msglen))
 888         return 0;
 889     if (msglen < 2)
 890         return 0;
 891     cs = (msg[0] << 8) | msg[1];
 892     BIO_indent(bio, indent, 80);
 893     BIO_printf(bio, "cipher_suite {0x%02X, 0x%02X} %s\n",
 894                msg[0], msg[1], ssl_trace_str(cs, ssl_ciphers_tbl));
 895     msg += 2;
 896     msglen -= 2;
 897     if (msglen < 1)
 898         return 0;
 899     BIO_indent(bio, indent, 80);
 900     BIO_printf(bio, "compression_method: %s (0x%02X)\n",
 901                ssl_trace_str(msg[0], ssl_comp_tbl), msg[0]);
 902     msg++;
 903     msglen--;
 904     if (!ssl_print_extensions(bio, indent, 1, msg, msglen))
 905         return 0;
 906     return 1;
 907 }
 908
 909 static int ssl_get_keyex(const char **pname, SSL *ssl)
 910 {
 911     unsigned long alg_k = ssl->s3->tmp.new_cipher->algorithm_mkey;
 912     if (alg_k & SSL_kRSA) {
 913         *pname = "rsa";
 914         return SSL_kRSA;
 915     }
 916     if (alg_k & SSL_kDHr) {
 917         *pname = "dh_rsa";
 918         return SSL_kDHr;
 919     }
 920     if (alg_k & SSL_kDHd) {
 921         *pname = "dh_dss";
 922         return SSL_kDHd;
 923     }
 924     if (alg_k & SSL_kDHE) {
 925         *pname = "DHE";
 926         return SSL_kDHE;
 927     }
 928     if (alg_k & SSL_kECDHE) {
 929         *pname = "ECDHE";
 930         return SSL_kECDHE;
 931     }
 932     if (alg_k & SSL_kECDHr) {
 933         *pname = "ECDH RSA";
 934         return SSL_kECDHr;
 935     }
 936     if (alg_k & SSL_kECDHe) {
 937         *pname = "ECDH ECDSA";
 938         return SSL_kECDHe;
 939     }
 940     if (alg_k & SSL_kPSK) {
 941         *pname = "PSK";
 942         return SSL_kPSK;
 943     }
 944     if (alg_k & SSL_kRSAPSK) {
 945         *pname = "RSAPSK";
 946         return SSL_kRSAPSK;
 947     }
 948     if (alg_k & SSL_kDHEPSK) {
 949         *pname = "DHEPSK";
 950         return SSL_kDHEPSK;
 951     }
 952     if (alg_k & SSL_kECDHEPSK) {
 953         *pname = "ECDHEPSK";
 954         return SSL_kECDHEPSK;
 955     }
 956     if (alg_k & SSL_kSRP) {
 957         *pname = "SRP";
 958         return SSL_kSRP;
 959     }
 960     if (alg_k & SSL_kGOST) {
 961         *pname = "GOST";
 962         return SSL_kGOST;
 963     }
 964     *pname = "UNKNOWN";
 965     return 0;
 966 }
 967
 968 static int ssl_print_client_keyex(BIO *bio, int indent, SSL *ssl,
 969                                   const unsigned char *msg, size_t msglen)
 970 {
 971     const char *algname;
 972     int id;
 973     id = ssl_get_keyex(&algname, ssl);
 974     BIO_indent(bio, indent, 80);
 975     BIO_printf(bio, "KeyExchangeAlgorithm=%s\n", algname);
 976     if (id & SSL_PSK) {
 977         if (!ssl_print_hexbuf(bio, indent + 2,
 978                               "psk_identity", 2, &msg, &msglen))
 979             return 0;
 980     }
 981     switch (id) {
 982
 983     case SSL_kRSA:
 984     case SSL_kRSAPSK:
 985         if (TLS1_get_version(ssl) == SSL3_VERSION) {
 986             ssl_print_hex(bio, indent + 2,
 987                           "EncyptedPreMasterSecret", msg, msglen);
 988         } else {
 989             if (!ssl_print_hexbuf(bio, indent + 2,
 990                                   "EncyptedPreMasterSecret", 2,
 991                                   &msg, &msglen))
 992                 return 0;
 993         }
 994         break;
 995
 996         /* Implicit parameters only allowed for static DH */
 997     case SSL_kDHd:
 998     case SSL_kDHr:
 999         if (msglen == 0) {
1000             BIO_indent(bio, indent + 2, 80);
1001             BIO_puts(bio, "implicit\n");
1002             break;
1003         }
1004     case SSL_kDHE:
1005     case SSL_kDHEPSK:
1006         if (!ssl_print_hexbuf(bio, indent + 2, "dh_Yc", 2, &msg, &msglen))
1007             return 0;
1008         break;
1009
1010     case SSL_kECDHr:
1011     case SSL_kECDHe:
1012         if (msglen == 0) {
1013             BIO_indent(bio, indent + 2, 80);
1014             BIO_puts(bio, "implicit\n");
1015             break;
1016         }
1017     case SSL_kECDHE:
1018     case SSL_kECDHEPSK:
1019         if (!ssl_print_hexbuf(bio, indent + 2, "ecdh_Yc", 1, &msg, &msglen))
1020             return 0;
1021         break;
1022
1023     }
1024
1025     return !msglen;
1026 }
1027
1028 static int ssl_print_server_keyex(BIO *bio, int indent, SSL *ssl,
1029                                   const unsigned char *msg, size_t msglen)
1030 {
1031     const char *algname;
1032     int id;
1033     id = ssl_get_keyex(&algname, ssl);
1034     BIO_indent(bio, indent, 80);
1035     BIO_printf(bio, "KeyExchangeAlgorithm=%s\n", algname);
1036     if (id & SSL_PSK) {
1037         if (!ssl_print_hexbuf(bio, indent + 2,
1038                               "psk_identity_hint", 2, &msg, &msglen))
1039             return 0;
1040     }
1041     switch (id) {
1042         /* Should never happen */
1043     case SSL_kDHd:
1044     case SSL_kDHr:
1045     case SSL_kECDHr:
1046     case SSL_kECDHe:
1047         BIO_indent(bio, indent + 2, 80);
1048         BIO_printf(bio, "Unexpected Message\n");
1049         break;
1050
1051     case SSL_kRSA:
1052
1053         if (!ssl_print_hexbuf(bio, indent + 2, "rsa_modulus", 2,
1054                               &msg, &msglen))
1055             return 0;
1056         if (!ssl_print_hexbuf(bio, indent + 2, "rsa_exponent", 2,
1057                               &msg, &msglen))
1058             return 0;
1059         break;
1060
1061     case SSL_kDHE:
1062     case SSL_kDHEPSK:
1063         if (!ssl_print_hexbuf(bio, indent + 2, "dh_p", 2, &msg, &msglen))
1064             return 0;
1065         if (!ssl_print_hexbuf(bio, indent + 2, "dh_g", 2, &msg, &msglen))
1066             return 0;
1067         if (!ssl_print_hexbuf(bio, indent + 2, "dh_Ys", 2, &msg, &msglen))
1068             return 0;
1069         break;
1070
1071     case SSL_kECDHE:
1072     case SSL_kECDHEPSK:
1073         if (msglen < 1)
1074             return 0;
1075         BIO_indent(bio, indent + 2, 80);
1076         if (msg[0] == EXPLICIT_PRIME_CURVE_TYPE)
1077             BIO_puts(bio, "explicit_prime\n");
1078         else if (msg[0] == EXPLICIT_CHAR2_CURVE_TYPE)
1079             BIO_puts(bio, "explicit_char2\n");
1080         else if (msg[0] == NAMED_CURVE_TYPE) {
1081             int curve;
1082             if (msglen < 3)
1083                 return 0;
1084             curve = (msg[1] << 8) | msg[2];
1085             BIO_printf(bio, "named_curve: %s (%d)\n",
1086                        ssl_trace_str(curve, ssl_curve_tbl), curve);
1087             msg += 3;
1088             msglen -= 3;
1089             if (!ssl_print_hexbuf(bio, indent + 2, "point", 1, &msg, &msglen))
1090                 return 0;
1091         } else {
1092             BIO_printf(bio, "UNKNOWN CURVE PARAMETER TYPE %d\n", msg[0]);
1093             return 0;
1094         }
1095         break;
1096
1097     case SSL_kPSK:
1098     case SSL_kRSAPSK:
1099         break;
1100     }
1101     if (!(id & SSL_PSK))
1102         ssl_print_signature(bio, indent, ssl, &msg, &msglen);
1103     return !msglen;
1104 }
1105
1106 static int ssl_print_certificate(BIO *bio, int indent,
1107                                  const unsigned char **pmsg, size_t *pmsglen)
1108 {
1109     size_t msglen = *pmsglen;
1110     size_t clen;
1111     X509 *x;
1112     const unsigned char *p = *pmsg, *q;
1113     if (msglen < 3)
1114         return 0;
1115     clen = (p[0] << 16) | (p[1] << 8) | p[2];
1116     if (msglen < clen + 3)
1117         return 0;
1118     q = p + 3;
1119     BIO_indent(bio, indent, 80);
1120     BIO_printf(bio, "ASN.1Cert, length=%d", (int)clen);
1121     x = d2i_X509(NULL, &q, clen);
1122     if (!x)
1123         BIO_puts(bio, "<UNPARSEABLE CERTIFICATE>\n");
1124     else {
1125         BIO_puts(bio, "\n------details-----\n");
1126         X509_print_ex(bio, x, XN_FLAG_ONELINE, 0);
1127         PEM_write_bio_X509(bio, x);
1128         /* Print certificate stuff */
1129         BIO_puts(bio, "------------------\n");
1130         X509_free(x);
1131     }
1132     if (q != p + 3 + clen) {
1133         BIO_puts(bio, "<TRAILING GARBAGE AFTER CERTIFICATE>\n");
1134     }
1135     *pmsg += clen + 3;
1136     *pmsglen -= clen + 3;
1137     return 1;
1138 }
1139
1140 static int ssl_print_certificates(BIO *bio, int indent,
1141                                   const unsigned char *msg, size_t msglen)
1142 {
1143     size_t clen;
1144     if (msglen < 3)
1145         return 0;
1146     clen = (msg[0] << 16) | (msg[1] << 8) | msg[2];
1147     if (msglen != clen + 3)
1148         return 0;
1149     msg += 3;
1150     BIO_indent(bio, indent, 80);
1151     BIO_printf(bio, "certificate_list, length=%d\n", (int)clen);
1152     while (clen > 0) {
1153         if (!ssl_print_certificate(bio, indent + 2, &msg, &clen))
1154             return 0;
1155     }
1156     return 1;
1157 }
1158
1159 static int ssl_print_cert_request(BIO *bio, int indent, SSL *s,
1160                                   const unsigned char *msg, size_t msglen)
1161 {
1162     size_t xlen;
1163     if (msglen < 1)
1164         return 0;
1165     xlen = msg[0];
1166     if (msglen < xlen + 1)
1167         return 0;
1168     msg++;
1169     BIO_indent(bio, indent, 80);
1170     BIO_printf(bio, "certificate_types (len=%d)\n", (int)xlen);
1171     if (!ssl_trace_list(bio, indent + 2, msg, xlen, 1, ssl_ctype_tbl))
1172         return 0;
1173     msg += xlen;
1174     msglen -= xlen + 1;
1175     if (!SSL_USE_SIGALGS(s))
1176         goto skip_sig;
1177     if (msglen < 2)
1178         return 0;
1179     xlen = (msg[0] << 8) | msg[1];
1180     if (msglen < xlen + 2 || (xlen & 1))
1181         return 0;
1182     msg += 2;
1183     BIO_indent(bio, indent, 80);
1184     BIO_printf(bio, "signature_algorithms (len=%d)\n", (int)xlen);
1185     while (xlen > 0) {
1186         BIO_indent(bio, indent + 2, 80);
1187         BIO_printf(bio, "%s+%s (%d+%d)\n",
1188                    ssl_trace_str(msg[0], ssl_md_tbl),
1189                    ssl_trace_str(msg[1], ssl_sig_tbl), msg[0], msg[1]);
1190         xlen -= 2;
1191         msg += 2;
1192     }
1193     msg += xlen;
1194     msglen -= xlen + 2;
1195
1196  skip_sig:
1197     xlen = (msg[0] << 8) | msg[1];
1198     BIO_indent(bio, indent, 80);
1199     if (msglen < xlen + 2)
1200         return 0;
1201     msg += 2;
1202     msglen -= 2;
1203     BIO_printf(bio, "certificate_authorities (len=%d)\n", (int)xlen);
1204     while (xlen > 0) {
1205         size_t dlen;
1206         X509_NAME *nm;
1207         const unsigned char *p;
1208         if (xlen < 2)
1209             return 0;
1210         dlen = (msg[0] << 8) | msg[1];
1211         if (xlen < dlen + 2)
1212             return 0;
1213         msg += 2;
1214         BIO_indent(bio, indent + 2, 80);
1215         BIO_printf(bio, "DistinguishedName (len=%d): ", (int)dlen);
1216         p = msg;
1217         nm = d2i_X509_NAME(NULL, &p, dlen);
1218         if (!nm) {
1219             BIO_puts(bio, "<UNPARSEABLE DN>\n");
1220         } else {
1221             X509_NAME_print_ex(bio, nm, 0, XN_FLAG_ONELINE);
1222             BIO_puts(bio, "\n");
1223             X509_NAME_free(nm);
1224         }
1225         xlen -= dlen + 2;
1226         msg += dlen;
1227     }
1228     return 1;
1229 }
1230
1231 static int ssl_print_ticket(BIO *bio, int indent,
1232                             const unsigned char *msg, size_t msglen)
1233 {
1234     unsigned int tick_life;
1235     if (msglen == 0) {
1236         BIO_indent(bio, indent + 2, 80);
1237         BIO_puts(bio, "No Ticket\n");
1238         return 1;
1239     }
1240     if (msglen < 4)
1241         return 0;
1242     tick_life = (msg[0] << 24) | (msg[1] << 16) | (msg[2] << 8) | msg[3];
1243     msglen -= 4;
1244     msg += 4;
1245     BIO_indent(bio, indent + 2, 80);
1246     BIO_printf(bio, "ticket_lifetime_hint=%u\n", tick_life);
1247     if (!ssl_print_hexbuf(bio, indent + 2, "ticket", 2, &msg, &msglen))
1248         return 0;
1249     if (msglen)
1250         return 0;
1251     return 1;
1252 }
1253
1254 static int ssl_print_handshake(BIO *bio, SSL *ssl,
1255                                const unsigned char *msg, size_t msglen,
1256                                int indent)
1257 {
1258     size_t hlen;
1259     unsigned char htype;
1260     if (msglen < 4)
1261         return 0;
1262     htype = msg[0];
1263     hlen = (msg[1] << 16) | (msg[2] << 8) | msg[3];
1264     BIO_indent(bio, indent, 80);
1265     BIO_printf(bio, "%s, Length=%d\n",
1266                ssl_trace_str(htype, ssl_handshake_tbl), (int)hlen);
1267     msg += 4;
1268     msglen -= 4;
1269     if (SSL_IS_DTLS(ssl)) {
1270         if (msglen < 8)
1271             return 0;
1272         BIO_indent(bio, indent, 80);
1273         BIO_printf(bio, "message_seq=%d, fragment_offset=%d, "
1274                    "fragment_length=%d\n",
1275                    (msg[0] << 8) | msg[1],
1276                    (msg[2] << 16) | (msg[3] << 8) | msg[4],
1277                    (msg[5] << 16) | (msg[6] << 8) | msg[7]);
1278         msg += 8;
1279         msglen -= 8;
1280     }
1281     if (msglen < hlen)
1282         return 0;
1283     switch (htype) {
1284     case SSL3_MT_CLIENT_HELLO:
1285         if (!ssl_print_client_hello(bio, ssl, indent + 2, msg, msglen))
1286             return 0;
1287         break;
1288
1289     case DTLS1_MT_HELLO_VERIFY_REQUEST:
1290         if (!dtls_print_hello_vfyrequest(bio, indent + 2, msg, msglen))
1291             return 0;
1292         break;
1293
1294     case SSL3_MT_SERVER_HELLO:
1295         if (!ssl_print_server_hello(bio, indent + 2, msg, msglen))
1296             return 0;
1297         break;
1298
1299     case SSL3_MT_SERVER_KEY_EXCHANGE:
1300         if (!ssl_print_server_keyex(bio, indent + 2, ssl, msg, msglen))
1301             return 0;
1302         break;
1303
1304     case SSL3_MT_CLIENT_KEY_EXCHANGE:
1305         if (!ssl_print_client_keyex(bio, indent + 2, ssl, msg, msglen))
1306             return 0;
1307         break;
1308
1309     case SSL3_MT_CERTIFICATE:
1310         if (!ssl_print_certificates(bio, indent + 2, msg, msglen))
1311             return 0;
1312         break;
1313
1314     case SSL3_MT_CERTIFICATE_VERIFY:
1315         if (!ssl_print_signature(bio, indent + 2, ssl, &msg, &msglen))
1316             return 0;
1317         break;
1318
1319     case SSL3_MT_CERTIFICATE_REQUEST:
1320         if (!ssl_print_cert_request(bio, indent + 2, ssl, msg, msglen))
1321             return 0;
1322         break;
1323
1324     case SSL3_MT_FINISHED:
1325         ssl_print_hex(bio, indent + 2, "verify_data", msg, msglen);
1326         break;
1327
1328     case SSL3_MT_SERVER_DONE:
1329         if (msglen != 0)
1330             ssl_print_hex(bio, indent + 2, "unexpected value", msg, msglen);
1331         break;
1332
1333     case SSL3_MT_NEWSESSION_TICKET:
1334         if (!ssl_print_ticket(bio, indent + 2, msg, msglen))
1335             return 0;
1336         break;
1337
1338     default:
1339         BIO_indent(bio, indent + 2, 80);
1340         BIO_puts(bio, "Unsupported, hex dump follows:\n");
1341         BIO_dump_indent(bio, (char *)msg, msglen, indent + 4);
1342     }
1343     return 1;
1344 }
1345
1346 static int ssl_print_heartbeat(BIO *bio, int indent,
1347                                const unsigned char *msg, size_t msglen)
1348 {
1349     if (msglen < 3)
1350         return 0;
1351     BIO_indent(bio, indent, 80);
1352     BIO_printf(bio, "HeartBeatMessageType: %s\n",
1353                ssl_trace_str(msg[0], ssl_hb_type_tbl));
1354     msg++;
1355     msglen--;
1356     if (!ssl_print_hexbuf(bio, indent, "payload", 2, &msg, &msglen))
1357         return 0;
1358     ssl_print_hex(bio, indent, "padding", msg, msglen);
1359     return 1;
1360 }
1361
1362 const char *SSL_CIPHER_standard_name(const SSL_CIPHER *c)
1363 {
1364     return ssl_trace_str(c->id & 0xFFFF, ssl_ciphers_tbl);
1365 }
1366
1367 void SSL_trace(int write_p, int version, int content_type,
1368                const void *buf, size_t msglen, SSL *ssl, void *arg)
1369 {
1370     const unsigned char *msg = buf;
1371     BIO *bio = arg;
1372
1373     if (write_p == 2) {
1374         BIO_puts(bio, "Session ");
1375         ssl_print_hex(bio, 0,
1376                       ssl_trace_str(content_type, ssl_crypto_tbl),
1377                       msg, msglen);
1378         return;
1379     }
1380     switch (content_type) {
1381     case SSL3_RT_HEADER:
1382         {
1383             int hvers = msg[1] << 8 | msg[2];
1384             BIO_puts(bio, write_p ? "Sent" : "Received");
1385             BIO_printf(bio, " Record\nHeader:\n  Version = %s (0x%x)\n",
1386                        ssl_trace_str(hvers, ssl_version_tbl), hvers);
1387             if (SSL_IS_DTLS(ssl)) {
1388                 BIO_printf(bio,
1389                            "  epoch=%d, sequence_number=%04x%04x%04x\n",
1390                            (msg[3] << 8 | msg[4]),
1391                            (msg[5] << 8 | msg[6]),
1392                            (msg[7] << 8 | msg[8]), (msg[9] << 8 | msg[10]));
1393             }
1394
1395             BIO_printf(bio, "  Content Type = %s (%d)\n  Length = %d",
1396                        ssl_trace_str(msg[0], ssl_content_tbl), msg[0],
1397                        msg[msglen - 2] << 8 | msg[msglen - 1]);
1398         }
1399         break;
1400     case SSL3_RT_HANDSHAKE:
1401         if (!ssl_print_handshake(bio, ssl, msg, msglen, 4))
1402             BIO_printf(bio, "Message length parse error!\n");
1403         break;
1404
1405     case SSL3_RT_CHANGE_CIPHER_SPEC:
1406         if (msglen == 1 && msg[0] == 1)
1407             BIO_puts(bio, "    change_cipher_spec (1)\n");
1408         else
1409             ssl_print_hex(bio, 4, "unknown value", msg, msglen);
1410         break;
1411
1412     case SSL3_RT_ALERT:
1413         if (msglen != 2)
1414             BIO_puts(bio, "    Illegal Alert Length\n");
1415         else {
1416             BIO_printf(bio, "    Level=%s(%d), description=%s(%d)\n",
1417                        SSL_alert_type_string_long(msg[0] << 8),
1418                        msg[0], SSL_alert_desc_string_long(msg[1]), msg[1]);
1419         }
1420     case TLS1_RT_HEARTBEAT:
1421         ssl_print_heartbeat(bio, 4, msg, msglen);
1422         break;
1423
1424     }
1425
1426     BIO_puts(bio, "\n");
1427 }
1428
1429 #endif