ssl/t1_trce.c

   1 /* ssl/t1_trce.c */
   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         {
  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, sizeof(tbl)/sizeof(ssl_trace_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, sizeof(table)/sizeof(ssl_trace_tbl))
  73
  74
  75 static const char *do_ssl_trace_str(int val, ssl_trace_tbl *tbl, size_t ntbl)
  76         {
  77         size_t i;
  78         for (i = 0; i < ntbl; i++, tbl++)
  79                 {
  80                 if (tbl->num == val)
  81                         return tbl->name;
  82                 }
  83         return "UNKNOWN";
  84         }
  85
  86 static int do_ssl_trace_list(BIO *bio, int indent,
  87                                 const unsigned char *msg, size_t msglen,
  88                                 size_t vlen, ssl_trace_tbl *tbl, size_t ntbl)
  89         {
  90         int val;
  91         if (msglen%vlen)
  92                 return 0;
  93         while(msglen)
  94                 {
  95                 val = msg[0];
  96                 if (vlen == 2)
  97                         val = (val << 8) | msg[1];
  98                 BIO_indent(bio, indent, 80);
  99                 BIO_printf(bio, "%s (%d)\n",
 100                                         do_ssl_trace_str(val, tbl, ntbl), val);
 101                 msg += vlen;
 102                 msglen -= vlen;
 103                 }
 104         return 1;
 105         }
 106
 107 /* Version number */
 108
 109 static ssl_trace_tbl ssl_version_tbl[] = {
 110         {SSL2_VERSION,          "SSL 2.0"},
 111         {SSL3_VERSION,          "SSL 3.0"},
 112         {TLS1_VERSION,          "TLS 1.0"},
 113         {TLS1_1_VERSION,        "TLS 1.1"},
 114         {TLS1_2_VERSION,        "TLS 1.2"},
 115         {DTLS1_VERSION,         "DTLS 1.0"},
 116         {DTLS1_BAD_VER,         "DTLS 1.0 (bad)"}
 117 };
 118
 119 static ssl_trace_tbl ssl_content_tbl[] = {
 120         {SSL3_RT_CHANGE_CIPHER_SPEC,    "ChangeCipherSpec"},
 121         {SSL3_RT_ALERT,                 "Alert"},
 122         {SSL3_RT_HANDSHAKE,             "Handshake"},
 123         {SSL3_RT_APPLICATION_DATA,      "ApplicationData"},
 124         {TLS1_RT_HEARTBEAT,             "HeartBeat"}
 125 };
 126 /* Handshake types */
 127 static ssl_trace_tbl ssl_handshake_tbl[] = {
 128         {SSL3_MT_HELLO_REQUEST,         "HelloRequest"},
 129         {SSL3_MT_CLIENT_HELLO,          "ClientHello"},
 130         {SSL3_MT_SERVER_HELLO,          "ServerHello"},
 131         {DTLS1_MT_HELLO_VERIFY_REQUEST, "HelloVerifyRequest"},
 132         {SSL3_MT_NEWSESSION_TICKET,     "NewSessionTicket"},
 133         {SSL3_MT_CERTIFICATE,           "Certificate"},
 134         {SSL3_MT_SERVER_KEY_EXCHANGE,   "ServerKeyExchange"},
 135         {SSL3_MT_CERTIFICATE_REQUEST,   "CertificateRequest"},
 136         {SSL3_MT_CLIENT_KEY_EXCHANGE,   "ClientKeyExchange"},
 137         {SSL3_MT_CERTIFICATE_STATUS,    "CertificateStatus"},
 138         {SSL3_MT_SERVER_DONE,           "ServerHelloDone"},
 139         {SSL3_MT_CERTIFICATE_VERIFY,    "CertificateVerify"},
 140         {SSL3_MT_CLIENT_KEY_EXCHANGE,   "ClientKeyExchange"},
 141         {SSL3_MT_FINISHED,              "Finished"},
 142         {SSL3_MT_CERTIFICATE_STATUS,    "CertificateStatus"}
 143 };
 144 /* Cipher suites */
 145 static ssl_trace_tbl ssl_ciphers_tbl[] = {
 146         {0x0000, "SSL_NULL_WITH_NULL_NULL"},
 147         {0x0001, "SSL_RSA_WITH_NULL_MD5"},
 148         {0x0002, "SSL_RSA_WITH_NULL_SHA"},
 149         {0x0003, "SSL_RSA_EXPORT_WITH_RC4_40_MD5"},
 150         {0x0004, "SSL_RSA_WITH_RC4_128_MD5"},
 151         {0x0005, "SSL_RSA_WITH_RC4_128_SHA"},
 152         {0x0006, "SSL_RSA_EXPORT_WITH_RC2_CBC_40_MD5"},
 153         {0x0007, "SSL_RSA_WITH_IDEA_CBC_SHA"},
 154         {0x0008, "SSL_RSA_EXPORT_WITH_DES40_CBC_SHA"},
 155         {0x0009, "SSL_RSA_WITH_DES_CBC_SHA"},
 156         {0x000A, "SSL_RSA_WITH_3DES_EDE_CBC_SHA"},
 157         {0x000B, "SSL_DH_DSS_EXPORT_WITH_DES40_CBC_SHA"},
 158         {0x000C, "SSL_DH_DSS_WITH_DES_CBC_SHA"},
 159         {0x000D, "SSL_DH_DSS_WITH_3DES_EDE_CBC_SHA"},
 160         {0x000E, "SSL_DH_RSA_EXPORT_WITH_DES40_CBC_SHA"},
 161         {0x000F, "SSL_DH_RSA_WITH_DES_CBC_SHA"},
 162         {0x0010, "SSL_DH_RSA_WITH_3DES_EDE_CBC_SHA"},
 163         {0x0011, "SSL_DHE_DSS_EXPORT_WITH_DES40_CBC_SHA"},
 164         {0x0012, "SSL_DHE_DSS_WITH_DES_CBC_SHA"},
 165         {0x0013, "SSL_DHE_DSS_WITH_3DES_EDE_CBC_SHA"},
 166         {0x0014, "SSL_DHE_RSA_EXPORT_WITH_DES40_CBC_SHA"},
 167         {0x0015, "SSL_DHE_RSA_WITH_DES_CBC_SHA"},
 168         {0x0016, "SSL_DHE_RSA_WITH_3DES_EDE_CBC_SHA"},
 169         {0x0017, "SSL_DH_anon_EXPORT_WITH_RC4_40_MD5"},
 170         {0x0018, "SSL_DH_anon_WITH_RC4_128_MD5"},
 171         {0x0019, "SSL_DH_anon_EXPORT_WITH_DES40_CBC_SHA"},
 172         {0x001A, "SSL_DH_anon_WITH_DES_CBC_SHA"},
 173         {0x001B, "SSL_DH_anon_WITH_3DES_EDE_CBC_SHA"},
 174         {0x001D, "SSL_FORTEZZA_KEA_WITH_FORTEZZA_CBC_SHA"},
 175         {0x001E, "SSL_FORTEZZA_KEA_WITH_RC4_128_SHA"},
 176         {0x001F, "TLS_KRB5_WITH_3DES_EDE_CBC_SHA"},
 177         {0x0020, "TLS_KRB5_WITH_RC4_128_SHA"},
 178         {0x0021, "TLS_KRB5_WITH_IDEA_CBC_SHA"},
 179         {0x0022, "TLS_KRB5_WITH_DES_CBC_MD5"},
 180         {0x0023, "TLS_KRB5_WITH_3DES_EDE_CBC_MD5"},
 181         {0x0024, "TLS_KRB5_WITH_RC4_128_MD5"},
 182         {0x0025, "TLS_KRB5_WITH_IDEA_CBC_MD5"},
 183         {0x0026, "TLS_KRB5_EXPORT_WITH_DES_CBC_40_SHA"},
 184         {0x0027, "TLS_KRB5_EXPORT_WITH_RC2_CBC_40_SHA"},
 185         {0x0028, "TLS_KRB5_EXPORT_WITH_RC4_40_SHA"},
 186         {0x0029, "TLS_KRB5_EXPORT_WITH_DES_CBC_40_MD5"},
 187         {0x002A, "TLS_KRB5_EXPORT_WITH_RC2_CBC_40_MD5"},
 188         {0x002B, "TLS_KRB5_EXPORT_WITH_RC4_40_MD5"},
 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         {0xC001, "TLS_ECDH_ECDSA_WITH_NULL_SHA"},
 288         {0xC002, "TLS_ECDH_ECDSA_WITH_RC4_128_SHA"},
 289         {0xC003, "TLS_ECDH_ECDSA_WITH_3DES_EDE_CBC_SHA"},
 290         {0xC004, "TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA"},
 291         {0xC005, "TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA"},
 292         {0xC006, "TLS_ECDHE_ECDSA_WITH_NULL_SHA"},
 293         {0xC007, "TLS_ECDHE_ECDSA_WITH_RC4_128_SHA"},
 294         {0xC008, "TLS_ECDHE_ECDSA_WITH_3DES_EDE_CBC_SHA"},
 295         {0xC009, "TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA"},
 296         {0xC00A, "TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA"},
 297         {0xC00B, "TLS_ECDH_RSA_WITH_NULL_SHA"},
 298         {0xC00C, "TLS_ECDH_RSA_WITH_RC4_128_SHA"},
 299         {0xC00D, "TLS_ECDH_RSA_WITH_3DES_EDE_CBC_SHA"},
 300         {0xC00E, "TLS_ECDH_RSA_WITH_AES_128_CBC_SHA"},
 301         {0xC00F, "TLS_ECDH_RSA_WITH_AES_256_CBC_SHA"},
 302         {0xC010, "TLS_ECDHE_RSA_WITH_NULL_SHA"},
 303         {0xC011, "TLS_ECDHE_RSA_WITH_RC4_128_SHA"},
 304         {0xC012, "TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA"},
 305         {0xC013, "TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA"},
 306         {0xC014, "TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA"},
 307         {0xC015, "TLS_ECDH_anon_WITH_NULL_SHA"},
 308         {0xC016, "TLS_ECDH_anon_WITH_RC4_128_SHA"},
 309         {0xC017, "TLS_ECDH_anon_WITH_3DES_EDE_CBC_SHA"},
 310         {0xC018, "TLS_ECDH_anon_WITH_AES_128_CBC_SHA"},
 311         {0xC019, "TLS_ECDH_anon_WITH_AES_256_CBC_SHA"},
 312         {0xC01A, "TLS_SRP_SHA_WITH_3DES_EDE_CBC_SHA"},
 313         {0xC01B, "TLS_SRP_SHA_RSA_WITH_3DES_EDE_CBC_SHA"},
 314         {0xC01C, "TLS_SRP_SHA_DSS_WITH_3DES_EDE_CBC_SHA"},
 315         {0xC01D, "TLS_SRP_SHA_WITH_AES_128_CBC_SHA"},
 316         {0xC01E, "TLS_SRP_SHA_RSA_WITH_AES_128_CBC_SHA"},
 317         {0xC01F, "TLS_SRP_SHA_DSS_WITH_AES_128_CBC_SHA"},
 318         {0xC020, "TLS_SRP_SHA_WITH_AES_256_CBC_SHA"},
 319         {0xC021, "TLS_SRP_SHA_RSA_WITH_AES_256_CBC_SHA"},
 320         {0xC022, "TLS_SRP_SHA_DSS_WITH_AES_256_CBC_SHA"},
 321         {0xC023, "TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256"},
 322         {0xC024, "TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384"},
 323         {0xC025, "TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA256"},
 324         {0xC026, "TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA384"},
 325         {0xC027, "TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256"},
 326         {0xC028, "TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384"},
 327         {0xC029, "TLS_ECDH_RSA_WITH_AES_128_CBC_SHA256"},
 328         {0xC02A, "TLS_ECDH_RSA_WITH_AES_256_CBC_SHA384"},
 329         {0xC02B, "TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256"},
 330         {0xC02C, "TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384"},
 331         {0xC02D, "TLS_ECDH_ECDSA_WITH_AES_128_GCM_SHA256"},
 332         {0xC02E, "TLS_ECDH_ECDSA_WITH_AES_256_GCM_SHA384"},
 333         {0xC02F, "TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256"},
 334         {0xC030, "TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384"},
 335         {0xC031, "TLS_ECDH_RSA_WITH_AES_128_GCM_SHA256"},
 336         {0xC032, "TLS_ECDH_RSA_WITH_AES_256_GCM_SHA384"},
 337         {0xFEFE, "SSL_RSA_FIPS_WITH_DES_CBC_SHA"},
 338         {0xFEFF, "SSL_RSA_FIPS_WITH_3DES_EDE_CBC_SHA"},
 339 };
 340 /* Compression methods */
 341 static ssl_trace_tbl ssl_comp_tbl[] = {
 342         {0x0000, "No Compression"},
 343         {0x0001, "Zlib Compression"}
 344 };
 345 /* Extensions */
 346 static ssl_trace_tbl ssl_exts_tbl[] = {
 347         {TLSEXT_TYPE_server_name, "server_name"},
 348         {TLSEXT_TYPE_max_fragment_length, "max_fragment_length"},
 349         {TLSEXT_TYPE_client_certificate_url, "client_certificate_url"},
 350         {TLSEXT_TYPE_trusted_ca_keys, "trusted_ca_keys"},
 351         {TLSEXT_TYPE_truncated_hmac, "truncated_hmac"},
 352         {TLSEXT_TYPE_status_request, "status_request"},
 353         {TLSEXT_TYPE_user_mapping, "user_mapping"},
 354         {TLSEXT_TYPE_client_authz, "client_authz"},
 355         {TLSEXT_TYPE_server_authz, "server_authz"},
 356         {TLSEXT_TYPE_cert_type, "cert_type"},
 357         {TLSEXT_TYPE_elliptic_curves, "elliptic_curves"},
 358         {TLSEXT_TYPE_ec_point_formats, "ec_point_formats"},
 359         {TLSEXT_TYPE_srp, "srp"},
 360         {TLSEXT_TYPE_signature_algorithms, "signature_algorithms"},
 361         {TLSEXT_TYPE_use_srtp, "use_srtp"},
 362         {TLSEXT_TYPE_heartbeat, "heartbeat"},
 363         {TLSEXT_TYPE_session_ticket, "session_ticket"},
 364 #ifdef TLSEXT_TYPE_opaque_prf_input
 365         {TLSEXT_TYPE_opaque_prf_input, "opaque_prf_input"},
 366 #endif
 367         {TLSEXT_TYPE_renegotiate, "renegotiate"},
 368         {TLSEXT_TYPE_next_proto_neg, "next_proto_neg"}
 369 };
 370
 371 static ssl_trace_tbl ssl_curve_tbl[] = {
 372         {1, "sect163k1 (K-163)"},
 373         {2, "sect163r1"},
 374         {3, "sect163r2 (B-163)"},
 375         {4, "sect193r1"},
 376         {5, "sect193r2"},
 377         {6, "sect233k1 (K-233)"},
 378         {7, "sect233r1 (B-233)"},
 379         {8, "sect239k1"},
 380         {9, "sect283k1 (K-283)"},
 381         {10, "sect283r1 (B-283)"},
 382         {11, "sect409k1 (K-409)"},
 383         {12, "sect409r1 (B-409)"},
 384         {13, "sect571k1 (K-571)"},
 385         {14, "sect571r1 (B-571)"},
 386         {15, "secp160k1"},
 387         {16, "secp160r1"},
 388         {17, "secp160r2"},
 389         {18, "secp192k1"},
 390         {19, "secp192r1 (P-192)"},
 391         {20, "secp224k1"},
 392         {21, "secp224r1 (P-224)"},
 393         {22, "secp256k1"},
 394         {23, "secp256r1 (P-256)"},
 395         {24, "secp384r1 (P-384)"},
 396         {25, "secp521r1 (P-521)"},
 397         {0xFF01, "arbitrary_explicit_prime_curves"},
 398         {0xFF02, "arbitrary_explicit_char2_curves"}
 399 };
 400
 401 static ssl_trace_tbl ssl_point_tbl[] = {
 402         {0, "uncompressed"},
 403         {1, "ansiX962_compressed_prime"},
 404         {2, "ansiX962_compressed_char2"}
 405 };
 406
 407 static ssl_trace_tbl ssl_md_tbl[] = {
 408         {0, "none"},
 409         {1, "md5"},
 410         {2, "sha1"},
 411         {3, "sha224"},
 412         {4, "sha256"},
 413         {5, "sha384"},
 414         {6, "sha512"}
 415 };
 416
 417 static ssl_trace_tbl ssl_sig_tbl[] = {
 418         {0, "anonymous"},
 419         {1, "rsa"},
 420         {2, "dsa"},
 421         {3, "ecdsa"}
 422 };
 423
 424 static ssl_trace_tbl ssl_hb_tbl[] = {
 425         {1, "peer_allowed_to_send"},
 426         {2, "peer_not_allowed_to_send"}
 427 };
 428
 429 static ssl_trace_tbl ssl_hb_type_tbl[] = {
 430         {1, "heartbeat_request"},
 431         {2, "heartbeat_response"}
 432 };
 433
 434 static ssl_trace_tbl ssl_ctype_tbl[] = {
 435         {1, "rsa_sign"},
 436         {2, "dss_sign"},
 437         {3, "rsa_fixed_dh"},
 438         {4, "dss_fixed_dh"},
 439         {5, "rsa_ephemeral_dh"},
 440         {6, "dss_ephemeral_dh"},
 441         {20, "fortezza_dms"},
 442         {64, "ecdsa_sign"},
 443         {65, "rsa_fixed_ecdh"},
 444         {66, "ecdsa_fixed_ecdh"}
 445 };
 446
 447 static void ssl_print_hex(BIO *bio, int indent, const char *name,
 448                                 const unsigned char *msg, size_t msglen)
 449         {
 450         size_t i;
 451         BIO_indent(bio, indent, 80);
 452         BIO_printf(bio, "%s (len=%d): ", name, (int)msglen);
 453         for (i = 0; i < msglen; i++)
 454                 BIO_printf(bio, "%02X", msg[i]);
 455         BIO_puts(bio, "\n");
 456         }
 457
 458 static int ssl_print_hexbuf(BIO *bio, int indent,
 459                                 const char *name, size_t nlen,
 460                                 const unsigned char **pmsg, size_t *pmsglen)
 461         {
 462         size_t blen;
 463         const unsigned char *p = *pmsg;
 464         if (*pmsglen < nlen)
 465                 return 0;
 466         blen = p[0];
 467         if (nlen > 1)
 468                 blen = (blen << 8)|p[1];
 469         if (*pmsglen < nlen + blen)
 470                 return 0;
 471         p += nlen;
 472         ssl_print_hex(bio, indent, name, p, blen);
 473         *pmsg += blen + nlen;
 474         *pmsglen -= blen + nlen;
 475         return 1;
 476         }
 477
 478
 479
 480 static int ssl_print_version(BIO *bio, int indent, const char *name,
 481                                 const unsigned char **pmsg, size_t *pmsglen)
 482         {
 483         int vers;
 484         if (*pmsglen < 2)
 485                 return 0;
 486         vers = ((*pmsg)[0] << 8) | (*pmsg)[1];
 487         BIO_indent(bio, indent, 80);
 488         BIO_printf(bio, "%s=0x%x (%s)\n",
 489                                 name, vers,
 490                                 ssl_trace_str(vers, ssl_version_tbl));
 491         *pmsg += 2;
 492         *pmsglen -= 2;
 493         return 1;
 494         }
 495
 496 static int ssl_print_random(BIO *bio, int indent,
 497                                 const unsigned char **pmsg, size_t *pmsglen)
 498         {
 499         unsigned int tm;
 500         const unsigned char *p = *pmsg;
 501         if (*pmsglen < 32)
 502                 return 0;
 503         tm = (p[0] << 24) | (p[1] << 16) | (p[2] << 8) | p[3];
 504         p += 4;
 505         BIO_indent(bio, indent, 80);
 506         BIO_puts(bio, "Random:\n");
 507         BIO_indent(bio, indent + 2, 80);
 508         BIO_printf(bio, "gmt_unix_time=0x%08X\n", tm);
 509         ssl_print_hex(bio, indent + 2, "random_bytes", p, 28);
 510         *pmsg += 32;
 511         *pmsglen -= 32;
 512         return 1;
 513         }
 514
 515 static int ssl_print_signature(BIO *bio, int indent, SSL *s,
 516                                 const unsigned char **pmsg, size_t *pmsglen)
 517         {
 518         if (*pmsglen < 2)
 519                 return 0;
 520         if (TLS1_get_version(s) >= TLS1_2_VERSION)
 521                 {
 522                 const unsigned char *p = *pmsg;
 523                 BIO_indent(bio, indent, 80);
 524                 BIO_printf(bio, "Signature Algorithm %s+%s (%d+%d)\n",
 525                                 ssl_trace_str(p[0], ssl_md_tbl),
 526                                 ssl_trace_str(p[1], ssl_sig_tbl),
 527                                 p[0], p[1]);
 528                 *pmsg += 2;
 529                 *pmsglen -= 2;
 530                 }
 531         return ssl_print_hexbuf(bio, indent, "Signature", 2, pmsg, pmsglen);
 532         }
 533
 534 static int ssl_print_extension(BIO *bio, int indent, int server, int extype,
 535                                 const unsigned char *ext, size_t extlen)
 536         {
 537         size_t xlen;
 538         BIO_indent(bio, indent, 80);
 539         BIO_printf(bio, "extension_type=%s(%d), length=%d\n",
 540                                 ssl_trace_str(extype, ssl_exts_tbl),
 541                                 extype, (int)extlen);
 542         switch(extype)
 543                 {
 544         case TLSEXT_TYPE_ec_point_formats:
 545                 if (extlen < 1)
 546                         return 0;
 547                 xlen = ext[0];
 548                 if (extlen != xlen + 1)
 549                         return 0;
 550                 return ssl_trace_list(bio, indent + 2,
 551                                         ext + 1, xlen, 1, ssl_point_tbl);
 552
 553         case TLSEXT_TYPE_elliptic_curves:
 554                 if (extlen < 2)
 555                         return 0;
 556                 xlen = (ext[0] << 8) | ext[1];
 557                 if (extlen != xlen + 2)
 558                         return 0;
 559                 return ssl_trace_list(bio, indent + 2,
 560                                         ext + 2, xlen, 2, ssl_curve_tbl);
 561
 562         case TLSEXT_TYPE_signature_algorithms:
 563
 564                 if (extlen < 2)
 565                         return 0;
 566                 xlen = (ext[0] << 8) | ext[1];
 567                 if (extlen != xlen + 2)
 568                         return 0;
 569                 if (xlen & 1)
 570                         return 0;
 571                 ext += 2;
 572                 while(xlen > 0)
 573                         {
 574                         BIO_indent(bio, indent + 2, 80);
 575                         BIO_printf(bio, "%s+%s (%d+%d)\n",
 576                                 ssl_trace_str(ext[0], ssl_md_tbl),
 577                                 ssl_trace_str(ext[1], ssl_sig_tbl),
 578                                 ext[0], ext[1]);
 579                         xlen-= 2;
 580                         ext+= 2;
 581                         }
 582                 break;
 583
 584         case TLSEXT_TYPE_renegotiate:
 585                 if (extlen < 1)
 586                         return 0;
 587                 xlen = ext[0];
 588                 if (xlen + 1 != extlen)
 589                         return 0;
 590                 ext++;
 591                 if (xlen)
 592                         {
 593                         if (server)
 594                                 {
 595                                 if (xlen & 1)
 596                                         return 0;
 597                                 xlen >>= 1;
 598                                 }
 599                         ssl_print_hex(bio, indent + 4, "client_verify_data",
 600                                                                 ext, xlen);
 601                         if (server)
 602                                 {
 603                                 ext += xlen;
 604                                 ssl_print_hex(bio, indent + 4,
 605                                                         "server_verify_data",
 606                                                         ext, xlen);
 607                                 }
 608                         }
 609                 else
 610                         {
 611                         BIO_indent(bio, indent + 4, 80);
 612                         BIO_puts(bio, "<EMPTY>\n");
 613                         }
 614                 break;
 615
 616         case TLSEXT_TYPE_heartbeat:
 617                 if (extlen != 1)
 618                         return 0;
 619                 BIO_indent(bio, indent + 2, 80);
 620                 BIO_printf(bio, "HeartbeatMode: %s\n",
 621                                 ssl_trace_str(ext[0], ssl_hb_tbl));
 622                 break;
 623
 624                 case TLSEXT_TYPE_session_ticket:
 625                 if (extlen != 0)
 626                         ssl_print_hex(bio, indent + 4, "ticket", ext, extlen);
 627                 break;
 628
 629         default:
 630                 BIO_dump_indent(bio, (char *)ext, extlen, indent + 2);
 631                 }
 632         return 1;
 633         }
 634
 635 static int ssl_print_extensions(BIO *bio, int indent, int server,
 636                                 const unsigned char *msg, size_t msglen)
 637         {
 638         size_t extslen;
 639         BIO_indent(bio, indent, 80);
 640         if (msglen == 0)
 641                 {
 642                 BIO_puts(bio, "No Extensions\n");
 643                 return 1;
 644                 }
 645         extslen = (msg[0] << 8) | msg[1];
 646         if (extslen != msglen - 2)
 647                 return 0;
 648         msg += 2;
 649         msglen = extslen;
 650         BIO_printf(bio, "extensions, length = %d\n", (int)msglen);
 651         while (msglen > 0)
 652                 {
 653                 int extype;
 654                 size_t extlen;
 655                 if (msglen < 4)
 656                         return 0;
 657                 extype = (msg[0] << 8) | msg[1];
 658                 extlen = (msg[2] << 8) | msg[3];
 659                 if (msglen < extlen + 4)
 660                         return 0;
 661                 msg += 4;
 662                 if (!ssl_print_extension(bio, indent + 2, server,
 663                                                         extype, msg, extlen))
 664                         return 0;
 665                 msg += extlen;
 666                 msglen -= extlen + 4;
 667                 }
 668         return 1;
 669         }
 670
 671 static int ssl_print_client_hello(BIO *bio, int indent,
 672                                 const unsigned char *msg, size_t msglen)
 673         {
 674         size_t len;
 675         unsigned int cs;
 676         if (!ssl_print_version(bio, indent, "client_version", &msg, &msglen))
 677                 return 0;
 678         if (!ssl_print_random(bio, indent, &msg, &msglen))
 679                 return 0;
 680         if (!ssl_print_hexbuf(bio, indent, "session_id", 1, &msg, &msglen))
 681                 return 0;
 682         if (msglen < 2)
 683                 return 0;
 684         len = (msg[0] << 8) | msg[1];
 685         msg += 2;
 686         msglen -= 2;
 687         BIO_indent(bio, indent, 80);
 688         BIO_printf(bio, "cipher_suites (len=%d)\n", (int)len);
 689         if (msglen < len || len & 1)
 690                 return 0;
 691         while(len > 0)
 692                 {
 693                 cs = (msg[0] << 8) | msg[1];
 694                 BIO_indent(bio, indent + 2, 80);
 695                 BIO_printf(bio, "{0x%02X, 0x%02X} %s\n",
 696                                 msg[0], msg[1],
 697                                 ssl_trace_str(cs, ssl_ciphers_tbl));
 698                 msg += 2;
 699                 msglen -= 2;
 700                 len -= 2;
 701                 }
 702         if (msglen < 1)
 703                 return 0;
 704         len = msg[0];
 705         msg++;
 706         msglen--;
 707         if (msglen < len)
 708                 return 0;
 709         BIO_indent(bio, indent, 80);
 710         BIO_printf(bio, "compression_methods (len=%d)\n", (int)len);
 711         while(len > 0)
 712                 {
 713                 BIO_indent(bio, indent + 2, 80);
 714                 BIO_printf(bio, "%s (0x%02X)\n",
 715                                 ssl_trace_str(msg[0], ssl_comp_tbl),
 716                                 msg[0]);
 717                 msg++;
 718                 msglen--;
 719                 len--;
 720                 }
 721         if (!ssl_print_extensions(bio, indent, 0, msg, msglen))
 722                 return 0;
 723         return 1;
 724         }
 725
 726 static int ssl_print_server_hello(BIO *bio, int indent,
 727                                 const unsigned char *msg, size_t msglen)
 728         {
 729         unsigned int cs;
 730         if (!ssl_print_version(bio, indent, "server_version", &msg, &msglen))
 731                 return 0;
 732         if (!ssl_print_random(bio, indent, &msg, &msglen))
 733                 return 0;
 734         if (!ssl_print_hexbuf(bio, indent, "session_id", 1, &msg, &msglen))
 735                 return 0;
 736         if (msglen < 2)
 737                 return 0;
 738         cs = (msg[0] << 8) | msg[1];
 739         BIO_indent(bio, indent, 80);
 740         BIO_printf(bio, "cipher_suite {0x%02X, 0x%02X} %s\n",
 741                                 msg[0], msg[1],
 742                                 ssl_trace_str(cs, ssl_ciphers_tbl));
 743         msg += 2;
 744         msglen -= 2;
 745         if (msglen < 1)
 746                 return 0;
 747         BIO_indent(bio, indent, 80);
 748         BIO_printf(bio, "compression_method: %s (0x%02X)\n",
 749                         ssl_trace_str(msg[0], ssl_comp_tbl), msg[0]);
 750         msg++;
 751         msglen--;
 752         if (!ssl_print_extensions(bio, indent, 1, msg, msglen))
 753                 return 0;
 754         return 1;
 755         }
 756
 757 static int ssl_get_keyex(const char **pname, SSL *ssl)
 758         {
 759         unsigned long alg_k = ssl->s3->tmp.new_cipher->algorithm_mkey;
 760         if (alg_k & SSL_kRSA)
 761                 {
 762                 *pname = "rsa";
 763                 return SSL_kRSA;
 764                 }
 765         if (alg_k & SSL_kDHr)
 766                 {
 767                 *pname = "dh_rsa";
 768                 return SSL_kDHr;
 769                 }
 770         if (alg_k & SSL_kDHr)
 771                 {
 772                 *pname = "dh_dss";
 773                 return SSL_kDHd;
 774                 }
 775         if (alg_k & SSL_kKRB5)
 776                 {
 777                 *pname = "krb5";
 778                 return SSL_kKRB5;
 779                 }
 780         if (alg_k & (SSL_kEDH|SSL_kDHr|SSL_kDHd))
 781                 {
 782                 *pname = "edh";
 783                 return SSL_kEDH;
 784                 }
 785         if (alg_k & (SSL_kEECDH|SSL_kECDHr|SSL_kECDHe))
 786                 {
 787                 *pname = "ECDH";
 788                 return SSL_kEECDH;
 789                 }
 790         if (alg_k & SSL_kPSK)
 791                 {
 792                 *pname = "PSK";
 793                 return SSL_kPSK;
 794                 }
 795         if (alg_k & SSL_kSRP)
 796                 {
 797                 *pname = "SRP";
 798                 return SSL_kSRP;
 799                 }
 800         if (alg_k & SSL_kGOST)
 801                 {
 802                 *pname = "GOST";
 803                 return SSL_kGOST;
 804                 }
 805         *pname = "UNKNOWN";
 806         return 0;
 807         }
 808
 809 static int ssl_print_client_keyex(BIO *bio, int indent, SSL *ssl,
 810                                 const unsigned char *msg, size_t msglen)
 811         {
 812         const char *algname;
 813         int id;
 814         id = ssl_get_keyex(&algname, ssl);
 815         BIO_indent(bio, indent, 80);
 816         BIO_printf(bio, "KeyExchangeAlgorithm=%s\n", algname);
 817         switch(id)
 818                 {
 819
 820         case SSL_kRSA:
 821                 if (!ssl_print_hexbuf(bio, indent + 2,
 822                                                 "EncyptedPreMasterSecret", 2,
 823                                                 &msg, &msglen))
 824                                 return 0;
 825                 break;
 826
 827                 /* Implicit parameters only allowed for static DH */
 828         case SSL_kDHd:
 829         case SSL_kDHr:
 830                 if (msglen == 0)
 831                         {
 832                         BIO_indent(bio, indent + 2, 80);
 833                         BIO_puts(bio, "implicit\n");
 834                         break;
 835                         }
 836         case SSL_kEDH:
 837                 if (!ssl_print_hexbuf(bio, indent + 2, "dh_Yc", 2,
 838                                                                 &msg, &msglen))
 839                         return 0;
 840                 break;
 841
 842         case SSL_kEECDH:
 843                 if (!ssl_print_hexbuf(bio, indent + 2, "ecdh_Yc", 1,
 844                                                         &msg, &msglen))
 845                         return 0;
 846                 break;
 847                 }
 848
 849         return 1;
 850         }
 851
 852 static int ssl_print_server_keyex(BIO *bio, int indent, SSL *ssl,
 853                                 const unsigned char *msg, size_t msglen)
 854         {
 855         const char *algname;
 856         int id;
 857         id = ssl_get_keyex(&algname, ssl);
 858         BIO_indent(bio, indent, 80);
 859         BIO_printf(bio, "KeyExchangeAlgorithm=%s\n", algname);
 860         switch(id)
 861                 {
 862                 /* Should never happen */
 863         case SSL_kDHd:
 864         case SSL_kDHr:
 865                 BIO_indent(bio, indent + 2, 80);
 866                 BIO_printf(bio, "Unexpected Message\n");
 867                 break;
 868
 869         case SSL_kRSA:
 870
 871                 if (!ssl_print_hexbuf(bio, indent + 2, "rsa_modulus", 2,
 872                                                 &msg, &msglen))
 873                         return 0;
 874                 if (!ssl_print_hexbuf(bio, indent + 2, "rsa_exponent", 2,
 875                                                 &msg, &msglen))
 876                         return 0;
 877                 break;
 878
 879         case SSL_kEDH:
 880                 if (!ssl_print_hexbuf(bio, indent + 2, "dh_p", 2,
 881                                                 &msg, &msglen))
 882                         return 0;
 883                 if (!ssl_print_hexbuf(bio, indent + 2, "dh_g", 2,
 884                                                 &msg, &msglen))
 885                         return 0;
 886                 if (!ssl_print_hexbuf(bio, indent + 2, "dh_Ys", 2,
 887                                                 &msg, &msglen))
 888                         return 0;
 889                 break;
 890
 891         case SSL_kEECDH:
 892                 if (msglen < 1)
 893                         return 0;
 894                 BIO_indent(bio, indent + 2, 80);
 895                 if (msg[0] == EXPLICIT_PRIME_CURVE_TYPE)
 896                         BIO_puts(bio, "explicit_prime\n");
 897                 else if (msg[0] == EXPLICIT_CHAR2_CURVE_TYPE)
 898                         BIO_puts(bio, "explicit_char2\n");
 899                 else if (msg[0] == NAMED_CURVE_TYPE)
 900                         {
 901                         int curve;
 902                         if (msglen < 3)
 903                                 return 0;
 904                         curve = (msg[1] << 8) | msg[2];
 905                         BIO_printf(bio, "named_curve: %s (%d)\n",
 906                                         ssl_trace_str(curve, ssl_curve_tbl),
 907                                         curve);
 908                         msg += 3;
 909                         msglen -= 3;
 910                         if (!ssl_print_hexbuf(bio, indent + 2, "point", 1,
 911                                                         &msg, &msglen))
 912                                 return 0;
 913                         }
 914                 break;
 915                 }
 916         return ssl_print_signature(bio, indent, ssl, &msg, &msglen);
 917         }
 918
 919 static int ssl_print_certificate(BIO *bio, int indent,
 920                                 const unsigned char **pmsg, size_t *pmsglen)
 921         {
 922         size_t msglen = *pmsglen;
 923         size_t clen;
 924         X509 *x;
 925         const unsigned char *p = *pmsg, *q;
 926         if (msglen < 3)
 927                 return 0;
 928         clen = (p[0] << 16) | (p[1] << 8) | p[2];
 929         if (msglen < clen + 3)
 930                 return 0;
 931         q = p + 3;
 932         BIO_indent(bio, indent, 80);
 933         BIO_printf(bio, "ASN.1Cert, length=%d", (int)clen);
 934         x = d2i_X509(NULL, &q, clen);
 935         if (!x)
 936                 BIO_puts(bio, "<UNPARSEABLE CERTIFICATE>\n");
 937         else
 938                 {
 939                 BIO_puts(bio, "\n------details-----\n");
 940                 X509_print_ex(bio, x, XN_FLAG_ONELINE, 0);
 941                 PEM_write_bio_X509(bio, x);
 942                 /* Print certificate stuff */
 943                 BIO_puts(bio, "------------------\n");
 944                 X509_free(x);
 945                 }
 946         if (q != p + 3 + clen)
 947                 {
 948                 BIO_puts(bio, "<TRAILING GARBAGE AFTER CERTIFICATE>\n");
 949                 }
 950         *pmsg += clen + 3;
 951         *pmsglen -= clen + 3;
 952         return 1;
 953         }
 954
 955 static int ssl_print_certificates(BIO *bio, int indent,
 956                                 const unsigned char *msg, size_t msglen)
 957         {
 958         size_t clen;
 959         if (msglen < 3)
 960                 return 0;
 961         clen = (msg[0] << 16) | (msg[1] << 8) | msg[2];
 962         if (msglen != clen + 3)
 963                 return 0;
 964         msg += 3;
 965         BIO_indent(bio, indent, 80);
 966         BIO_printf(bio, "certificate_list, length=%d\n", (int)clen);
 967         while (clen > 0)
 968                 {
 969                 if (!ssl_print_certificate(bio, indent + 2, &msg, &clen))
 970                         return 0;
 971                 }
 972         return 1;
 973         }
 974
 975 static int ssl_print_cert_request(BIO *bio, int indent, SSL *s,
 976                                 const unsigned char *msg, size_t msglen)
 977         {
 978         size_t xlen;
 979         if (msglen < 1)
 980                 return 0;
 981         xlen = msg[0];
 982         if (msglen < xlen + 1)
 983                 return 0;
 984         msg++;
 985         BIO_indent(bio, indent, 80);
 986         BIO_printf(bio, "certificate_types (len=%d)\n", (int)xlen);
 987         if (!ssl_trace_list(bio, indent + 2, msg, xlen, 1, ssl_ctype_tbl))
 988                 return 0;
 989         msg += xlen;
 990         msglen -= xlen + 1;
 991         if (TLS1_get_version(s) < TLS1_2_VERSION)
 992                 goto skip_sig;
 993         if (msglen < 2)
 994                 return 0;
 995         xlen = (msg[0] << 8) | msg[1];
 996         if (msglen < xlen + 2 || (xlen & 1))
 997                 return 0;
 998         msg += 2;
 999         BIO_indent(bio, indent, 80);
1000         BIO_printf(bio, "signature_algorithms (len=%d)\n", (int)xlen);
1001         while(xlen > 0)
1002                 {
1003                 BIO_indent(bio, indent + 2, 80);
1004                 BIO_printf(bio, "%s+%s (%d+%d)\n",
1005                                 ssl_trace_str(msg[0], ssl_md_tbl),
1006                                 ssl_trace_str(msg[1], ssl_sig_tbl),
1007                                 msg[0], msg[1]);
1008                 xlen -= 2;
1009                 msg += 2;
1010                 }
1011         msg += xlen;
1012         msglen -= xlen + 2;
1013
1014         skip_sig:
1015         xlen = (msg[0] << 8) | msg[1];
1016         BIO_indent(bio, indent, 80);
1017         if (msglen < xlen + 2)
1018                 return 0;
1019         msg += 2;
1020         msglen -= 2;
1021         BIO_printf(bio, "certificate_authorities (len=%d)\n", (int)xlen);
1022         while (xlen > 0)
1023                 {
1024                 size_t dlen;
1025                 X509_NAME *nm;
1026                 const unsigned char *p;
1027                 if (xlen < 2)
1028                         return 0;
1029                 dlen = (msg[0] << 8) | msg[1];
1030                 if (xlen < dlen + 2)
1031                         return 0;
1032                 msg += 2;
1033                 BIO_indent(bio, indent + 2, 80);
1034                 BIO_printf(bio, "DistinguishedName (len=%d): ", (int)dlen);
1035                 p = msg;
1036                 nm = d2i_X509_NAME(NULL, &p, dlen);
1037                 if (!nm)
1038                         {
1039                         BIO_puts(bio, "<UNPARESABLE DN>\n");
1040                         }
1041                 else
1042                         {
1043                         X509_NAME_print_ex(bio, nm, 0, XN_FLAG_ONELINE);
1044                         BIO_puts(bio, "\n");
1045                         X509_NAME_free(nm);
1046                         }
1047                 xlen -= dlen + 2;
1048                 msg += dlen;
1049                 }
1050         return 1;
1051         }
1052
1053 static int ssl_print_ticket(BIO *bio, int indent,
1054                                 const unsigned char *msg, size_t msglen)
1055         {
1056         unsigned int tick_life;
1057         if (msglen == 0)
1058                 {
1059                 BIO_indent(bio, indent + 2, 80);
1060                 BIO_puts(bio, "No Ticket\n");
1061                 return 1;
1062                 }
1063         if (msglen < 4)
1064                 return 0;
1065         tick_life = (msg[0] << 24) | (msg[1] << 16) | (msg[2] << 8) | msg[3];
1066         msglen -= 4;
1067         msg += 4;
1068         BIO_indent(bio, indent + 2, 80);
1069         BIO_printf(bio, "ticket_lifetime_hint=%u\n", tick_life);
1070         if (!ssl_print_hexbuf(bio, indent + 2, "ticket", 2, &msg, &msglen))
1071                 return 0;
1072         if (msglen)
1073                 return 0;
1074         return 1;
1075         }
1076
1077 static int ssl_print_handshake(BIO *bio, SSL *ssl,
1078                                 const unsigned char *msg, size_t msglen,
1079                                 int indent)
1080         {
1081         size_t hlen;
1082         unsigned char htype;
1083         if (msglen < 4)
1084                 return 0;
1085         htype = msg[0];
1086         hlen = (msg[1] << 16) | (msg[2] << 8) | msg[3];
1087         BIO_indent(bio, indent, 80);
1088         BIO_printf(bio, "%s, Length=%d\n",
1089                                 ssl_trace_str(htype, ssl_handshake_tbl),
1090                                 (int)hlen);
1091         msg += 4;
1092         msglen -= 4;
1093         if (msglen < hlen)
1094                 return 0;
1095         switch(htype)
1096                 {
1097         case SSL3_MT_CLIENT_HELLO:
1098                 if (!ssl_print_client_hello(bio, indent + 2, msg, msglen))
1099                         return 0;
1100                 break;
1101
1102         case SSL3_MT_SERVER_HELLO:
1103                 if (!ssl_print_server_hello(bio, indent + 2, msg, msglen))
1104                         return 0;
1105                 break;
1106
1107         case SSL3_MT_SERVER_KEY_EXCHANGE:
1108                 if (!ssl_print_server_keyex(bio, indent + 2, ssl, msg, msglen))
1109                         return 0;
1110                 break;
1111
1112         case SSL3_MT_CLIENT_KEY_EXCHANGE:
1113                 if (!ssl_print_client_keyex(bio, indent + 2, ssl, msg, msglen))
1114                         return 0;
1115                 break;
1116
1117         case SSL3_MT_CERTIFICATE:
1118                 if (!ssl_print_certificates(bio, indent + 2,  msg, msglen))
1119                         return 0;
1120                 break;
1121
1122         case SSL3_MT_CERTIFICATE_VERIFY:
1123                 if (!ssl_print_signature(bio, indent + 2, ssl, &msg, &msglen))
1124                         return 0;
1125                 break;
1126
1127         case SSL3_MT_CERTIFICATE_REQUEST:
1128                 if (!ssl_print_cert_request(bio, indent + 2,  ssl, msg, msglen))
1129                         return 0;
1130                 break;
1131
1132         case SSL3_MT_FINISHED:
1133                 ssl_print_hex(bio, indent + 2, "verify_data", msg, msglen);
1134                 break;
1135
1136         case SSL3_MT_SERVER_DONE:
1137                 if (msglen != 0)
1138                         ssl_print_hex(bio, indent + 2, "unexpected value",
1139                                                                 msg, msglen);
1140                 break;
1141
1142         case SSL3_MT_NEWSESSION_TICKET:
1143                 if (!ssl_print_ticket(bio, indent + 2,  msg, msglen))
1144                         return 0;
1145                 break;
1146
1147         default:
1148                 BIO_indent(bio, indent + 2, 80);
1149                 BIO_puts(bio, "Unsupported, hex dump follows:\n");
1150                 BIO_dump_indent(bio, (char *)msg, msglen, indent + 4);
1151                 }
1152         return 1;
1153         }
1154
1155 static int ssl_print_heartbeat(BIO *bio, int indent,
1156                                 const unsigned char *msg, size_t msglen)
1157         {
1158         if (msglen < 3)
1159                 return 0;
1160         BIO_indent(bio, indent, 80);
1161         BIO_printf(bio, "HeartBeatMessageType: %s\n",
1162                                 ssl_trace_str(msg[0], ssl_hb_type_tbl));
1163         msg++;
1164         msglen--;
1165         if (!ssl_print_hexbuf(bio, indent, "payload", 2, &msg, &msglen))
1166                 return 0;
1167         ssl_print_hex(bio, indent, "padding", msg, msglen);
1168         return 1;
1169         }
1170
1171 void SSL_trace(int write_p, int version, int content_type,
1172                 const void *buf, size_t msglen, SSL *ssl, void *arg)
1173         {
1174         const unsigned char *msg = buf;
1175         BIO *bio = arg;
1176
1177         BIO_printf(bio, "%s Record: Version = %s (0x%x)",
1178                                 write_p ? "Sent" : "Received",
1179                                 ssl_trace_str(version, ssl_version_tbl),
1180                                 version);
1181         BIO_printf(bio, " Length=%d\n", (int)msglen);
1182         BIO_printf(bio, "  Content Type = %s (%d)\n",
1183                                 ssl_trace_str(content_type, ssl_content_tbl),
1184                                 content_type);
1185
1186         switch (content_type)
1187                 {
1188         case SSL3_RT_HANDSHAKE:
1189                 if (!ssl_print_handshake(bio, ssl, msg, msglen, 4))
1190                         BIO_printf(bio, "Message length parse error!\n");
1191                 break;
1192
1193         case SSL3_RT_CHANGE_CIPHER_SPEC:
1194                 if (msglen == 1 && msg[0] == 1)
1195                         BIO_puts(bio, "    change_cipher_spec (1)\n");
1196                 else
1197                         ssl_print_hex(bio, 4, "unknown value", msg, msglen);
1198                 break;
1199
1200         case SSL3_RT_ALERT:
1201                 if (msglen != 2)
1202                         BIO_puts(bio, "    Illegal Alert Length\n");
1203                 else
1204                         {
1205                         BIO_printf(bio,"    Level=%s(%d), description=%s(%d)\n",
1206                                         SSL_alert_type_string_long(msg[0] << 8),
1207                                         msg[0],
1208                                         SSL_alert_desc_string_long(msg[1]),
1209                                         msg[1]);
1210                         }
1211         case TLS1_RT_HEARTBEAT:
1212                 ssl_print_heartbeat(bio, 4, msg, msglen);
1213                 break;
1214
1215                 }
1216
1217         BIO_puts(bio, "\n");
1218         }
1219
1220 #endif