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 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                 {
  79                 if (tbl->num == val)
  80                         return tbl->name;
  81                 }
  82         return "UNKNOWN";
  83         }
  84
  85 static int do_ssl_trace_list(BIO *bio, int indent,
  86                                 const unsigned char *msg, size_t msglen,
  87                                 size_t vlen, ssl_trace_tbl *tbl, size_t ntbl)
  88         {
  89         int val;
  90         if (msglen%vlen)
  91                 return 0;
  92         while(msglen)
  93                 {
  94                 val = msg[0];
  95                 if (vlen == 2)
  96                         val = (val << 8) | msg[1];
  97                 BIO_indent(bio, indent, 80);
  98                 BIO_printf(bio, "%s (%d)\n",
  99                                         do_ssl_trace_str(val, tbl, ntbl), val);
 100                 msg += vlen;
 101                 msglen -= vlen;
 102                 }
 103         return 1;
 104         }
 105
 106 /* Version number */
 107
 108 static ssl_trace_tbl ssl_version_tbl[] = {
 109         {SSL2_VERSION,          "SSL 2.0"},
 110         {SSL3_VERSION,          "SSL 3.0"},
 111         {TLS1_VERSION,          "TLS 1.0"},
 112         {TLS1_1_VERSION,        "TLS 1.1"},
 113         {TLS1_2_VERSION,        "TLS 1.2"},
 114         {DTLS1_VERSION,         "DTLS 1.0"},
 115         {DTLS1_2_VERSION,       "DTLS 1.2"},
 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         {26, "brainpoolP256r1"},
 398         {27, "brainpoolP384r1"},
 399         {28, "brainpoolP512r1"},
 400         {0xFF01, "arbitrary_explicit_prime_curves"},
 401         {0xFF02, "arbitrary_explicit_char2_curves"}
 402 };
 403
 404 static ssl_trace_tbl ssl_point_tbl[] = {
 405         {0, "uncompressed"},
 406         {1, "ansiX962_compressed_prime"},
 407         {2, "ansiX962_compressed_char2"}
 408 };
 409
 410 static ssl_trace_tbl ssl_md_tbl[] = {
 411         {0, "none"},
 412         {1, "md5"},
 413         {2, "sha1"},
 414         {3, "sha224"},
 415         {4, "sha256"},
 416         {5, "sha384"},
 417         {6, "sha512"}
 418 };
 419
 420 static ssl_trace_tbl ssl_sig_tbl[] = {
 421         {0, "anonymous"},
 422         {1, "rsa"},
 423         {2, "dsa"},
 424         {3, "ecdsa"}
 425 };
 426
 427 static ssl_trace_tbl ssl_hb_tbl[] = {
 428         {1, "peer_allowed_to_send"},
 429         {2, "peer_not_allowed_to_send"}
 430 };
 431
 432 static ssl_trace_tbl ssl_hb_type_tbl[] = {
 433         {1, "heartbeat_request"},
 434         {2, "heartbeat_response"}
 435 };
 436
 437 static ssl_trace_tbl ssl_ctype_tbl[] = {
 438         {1, "rsa_sign"},
 439         {2, "dss_sign"},
 440         {3, "rsa_fixed_dh"},
 441         {4, "dss_fixed_dh"},
 442         {5, "rsa_ephemeral_dh"},
 443         {6, "dss_ephemeral_dh"},
 444         {20, "fortezza_dms"},
 445         {64, "ecdsa_sign"},
 446         {65, "rsa_fixed_ecdh"},
 447         {66, "ecdsa_fixed_ecdh"}
 448 };
 449
 450 static ssl_trace_tbl ssl_crypto_tbl[] = {
 451         {TLS1_RT_CRYPTO_PREMASTER,      "Premaster Secret"},
 452         {TLS1_RT_CRYPTO_CLIENT_RANDOM,  "Client Random"},
 453         {TLS1_RT_CRYPTO_SERVER_RANDOM,  "Server Random"},
 454         {TLS1_RT_CRYPTO_MASTER,         "Master Secret"},
 455         {TLS1_RT_CRYPTO_MAC|TLS1_RT_CRYPTO_WRITE,       "Write Mac Secret"},
 456         {TLS1_RT_CRYPTO_MAC|TLS1_RT_CRYPTO_READ,        "Read Mac Secret"},
 457         {TLS1_RT_CRYPTO_KEY|TLS1_RT_CRYPTO_WRITE,       "Write Key"},
 458         {TLS1_RT_CRYPTO_KEY|TLS1_RT_CRYPTO_READ,        "Read Key"},
 459         {TLS1_RT_CRYPTO_IV|TLS1_RT_CRYPTO_WRITE,        "Write IV"},
 460         {TLS1_RT_CRYPTO_IV|TLS1_RT_CRYPTO_READ,         "Read IV"},
 461         {TLS1_RT_CRYPTO_FIXED_IV|TLS1_RT_CRYPTO_WRITE,  "Write IV (fixed part)"},
 462         {TLS1_RT_CRYPTO_FIXED_IV|TLS1_RT_CRYPTO_READ,   "Read IV (fixed part)"}
 463 };
 464
 465 static void ssl_print_hex(BIO *bio, int indent, const char *name,
 466                                 const unsigned char *msg, size_t msglen)
 467         {
 468         size_t i;
 469         BIO_indent(bio, indent, 80);
 470         BIO_printf(bio, "%s (len=%d): ", name, (int)msglen);
 471         for (i = 0; i < msglen; i++)
 472                 BIO_printf(bio, "%02X", msg[i]);
 473         BIO_puts(bio, "\n");
 474         }
 475
 476 static int ssl_print_hexbuf(BIO *bio, int indent,
 477                                 const char *name, size_t nlen,
 478                                 const unsigned char **pmsg, size_t *pmsglen)
 479         {
 480         size_t blen;
 481         const unsigned char *p = *pmsg;
 482         if (*pmsglen < nlen)
 483                 return 0;
 484         blen = p[0];
 485         if (nlen > 1)
 486                 blen = (blen << 8)|p[1];
 487         if (*pmsglen < nlen + blen)
 488                 return 0;
 489         p += nlen;
 490         ssl_print_hex(bio, indent, name, p, blen);
 491         *pmsg += blen + nlen;
 492         *pmsglen -= blen + nlen;
 493         return 1;
 494         }
 495
 496
 497
 498 static int ssl_print_version(BIO *bio, int indent, const char *name,
 499                                 const unsigned char **pmsg, size_t *pmsglen)
 500         {
 501         int vers;
 502         if (*pmsglen < 2)
 503                 return 0;
 504         vers = ((*pmsg)[0] << 8) | (*pmsg)[1];
 505         BIO_indent(bio, indent, 80);
 506         BIO_printf(bio, "%s=0x%x (%s)\n",
 507                                 name, vers,
 508                                 ssl_trace_str(vers, ssl_version_tbl));
 509         *pmsg += 2;
 510         *pmsglen -= 2;
 511         return 1;
 512         }
 513
 514 static int ssl_print_random(BIO *bio, int indent,
 515                                 const unsigned char **pmsg, size_t *pmsglen)
 516         {
 517         unsigned int tm;
 518         const unsigned char *p = *pmsg;
 519         if (*pmsglen < 32)
 520                 return 0;
 521         tm = (p[0] << 24) | (p[1] << 16) | (p[2] << 8) | p[3];
 522         p += 4;
 523         BIO_indent(bio, indent, 80);
 524         BIO_puts(bio, "Random:\n");
 525         BIO_indent(bio, indent + 2, 80);
 526         BIO_printf(bio, "gmt_unix_time=0x%08X\n", tm);
 527         ssl_print_hex(bio, indent + 2, "random_bytes", p, 28);
 528         *pmsg += 32;
 529         *pmsglen -= 32;
 530         return 1;
 531         }
 532
 533 static int ssl_print_signature(BIO *bio, int indent, SSL *s,
 534                                 const unsigned char **pmsg, size_t *pmsglen)
 535         {
 536         if (*pmsglen < 2)
 537                 return 0;
 538         if (SSL_USE_SIGALGS(s))
 539                 {
 540                 const unsigned char *p = *pmsg;
 541                 BIO_indent(bio, indent, 80);
 542                 BIO_printf(bio, "Signature Algorithm %s+%s (%d+%d)\n",
 543                                 ssl_trace_str(p[0], ssl_md_tbl),
 544                                 ssl_trace_str(p[1], ssl_sig_tbl),
 545                                 p[0], p[1]);
 546                 *pmsg += 2;
 547                 *pmsglen -= 2;
 548                 }
 549         return ssl_print_hexbuf(bio, indent, "Signature", 2, pmsg, pmsglen);
 550         }
 551
 552 static int ssl_print_extension(BIO *bio, int indent, int server, int extype,
 553                                 const unsigned char *ext, size_t extlen)
 554         {
 555         size_t xlen;
 556         BIO_indent(bio, indent, 80);
 557         BIO_printf(bio, "extension_type=%s(%d), length=%d\n",
 558                                 ssl_trace_str(extype, ssl_exts_tbl),
 559                                 extype, (int)extlen);
 560         switch(extype)
 561                 {
 562         case TLSEXT_TYPE_ec_point_formats:
 563                 if (extlen < 1)
 564                         return 0;
 565                 xlen = ext[0];
 566                 if (extlen != xlen + 1)
 567                         return 0;
 568                 return ssl_trace_list(bio, indent + 2,
 569                                         ext + 1, xlen, 1, ssl_point_tbl);
 570
 571         case TLSEXT_TYPE_elliptic_curves:
 572                 if (extlen < 2)
 573                         return 0;
 574                 xlen = (ext[0] << 8) | ext[1];
 575                 if (extlen != xlen + 2)
 576                         return 0;
 577                 return ssl_trace_list(bio, indent + 2,
 578                                         ext + 2, xlen, 2, ssl_curve_tbl);
 579
 580         case TLSEXT_TYPE_signature_algorithms:
 581
 582                 if (extlen < 2)
 583                         return 0;
 584                 xlen = (ext[0] << 8) | ext[1];
 585                 if (extlen != xlen + 2)
 586                         return 0;
 587                 if (xlen & 1)
 588                         return 0;
 589                 ext += 2;
 590                 while(xlen > 0)
 591                         {
 592                         BIO_indent(bio, indent + 2, 80);
 593                         BIO_printf(bio, "%s+%s (%d+%d)\n",
 594                                 ssl_trace_str(ext[0], ssl_md_tbl),
 595                                 ssl_trace_str(ext[1], ssl_sig_tbl),
 596                                 ext[0], ext[1]);
 597                         xlen-= 2;
 598                         ext+= 2;
 599                         }
 600                 break;
 601
 602         case TLSEXT_TYPE_renegotiate:
 603                 if (extlen < 1)
 604                         return 0;
 605                 xlen = ext[0];
 606                 if (xlen + 1 != extlen)
 607                         return 0;
 608                 ext++;
 609                 if (xlen)
 610                         {
 611                         if (server)
 612                                 {
 613                                 if (xlen & 1)
 614                                         return 0;
 615                                 xlen >>= 1;
 616                                 }
 617                         ssl_print_hex(bio, indent + 4, "client_verify_data",
 618                                                                 ext, xlen);
 619                         if (server)
 620                                 {
 621                                 ext += xlen;
 622                                 ssl_print_hex(bio, indent + 4,
 623                                                         "server_verify_data",
 624                                                         ext, xlen);
 625                                 }
 626                         }
 627                 else
 628                         {
 629                         BIO_indent(bio, indent + 4, 80);
 630                         BIO_puts(bio, "<EMPTY>\n");
 631                         }
 632                 break;
 633
 634         case TLSEXT_TYPE_heartbeat:
 635                 if (extlen != 1)
 636                         return 0;
 637                 BIO_indent(bio, indent + 2, 80);
 638                 BIO_printf(bio, "HeartbeatMode: %s\n",
 639                                 ssl_trace_str(ext[0], ssl_hb_tbl));
 640                 break;
 641
 642                 case TLSEXT_TYPE_session_ticket:
 643                 if (extlen != 0)
 644                         ssl_print_hex(bio, indent + 4, "ticket", ext, extlen);
 645                 break;
 646
 647         default:
 648                 BIO_dump_indent(bio, (char *)ext, extlen, indent + 2);
 649                 }
 650         return 1;
 651         }
 652
 653 static int ssl_print_extensions(BIO *bio, int indent, int server,
 654                                 const unsigned char *msg, size_t msglen)
 655         {
 656         size_t extslen;
 657         BIO_indent(bio, indent, 80);
 658         if (msglen == 0)
 659                 {
 660                 BIO_puts(bio, "No Extensions\n");
 661                 return 1;
 662                 }
 663         extslen = (msg[0] << 8) | msg[1];
 664         if (extslen != msglen - 2)
 665                 return 0;
 666         msg += 2;
 667         msglen = extslen;
 668         BIO_printf(bio, "extensions, length = %d\n", (int)msglen);
 669         while (msglen > 0)
 670                 {
 671                 int extype;
 672                 size_t extlen;
 673                 if (msglen < 4)
 674                         return 0;
 675                 extype = (msg[0] << 8) | msg[1];
 676                 extlen = (msg[2] << 8) | msg[3];
 677                 if (msglen < extlen + 4)
 678                         return 0;
 679                 msg += 4;
 680                 if (!ssl_print_extension(bio, indent + 2, server,
 681                                                         extype, msg, extlen))
 682                         return 0;
 683                 msg += extlen;
 684                 msglen -= extlen + 4;
 685                 }
 686         return 1;
 687         }
 688
 689 static int ssl_print_client_hello(BIO *bio, SSL *ssl, int indent,
 690                                 const unsigned char *msg, size_t msglen)
 691         {
 692         size_t len;
 693         unsigned int cs;
 694         if (!ssl_print_version(bio, indent, "client_version", &msg, &msglen))
 695                 return 0;
 696         if (!ssl_print_random(bio, indent, &msg, &msglen))
 697                 return 0;
 698         if (!ssl_print_hexbuf(bio, indent, "session_id", 1, &msg, &msglen))
 699                 return 0;
 700         if (SSL_IS_DTLS(ssl))
 701                 {
 702                 if (!ssl_print_hexbuf(bio, indent, "cookie", 1, &msg, &msglen))
 703                         return 0;
 704                 }
 705         if (msglen < 2)
 706                 return 0;
 707         len = (msg[0] << 8) | msg[1];
 708         msg += 2;
 709         msglen -= 2;
 710         BIO_indent(bio, indent, 80);
 711         BIO_printf(bio, "cipher_suites (len=%d)\n", (int)len);
 712         if (msglen < len || len & 1)
 713                 return 0;
 714         while(len > 0)
 715                 {
 716                 cs = (msg[0] << 8) | msg[1];
 717                 BIO_indent(bio, indent + 2, 80);
 718                 BIO_printf(bio, "{0x%02X, 0x%02X} %s\n",
 719                                 msg[0], msg[1],
 720                                 ssl_trace_str(cs, ssl_ciphers_tbl));
 721                 msg += 2;
 722                 msglen -= 2;
 723                 len -= 2;
 724                 }
 725         if (msglen < 1)
 726                 return 0;
 727         len = msg[0];
 728         msg++;
 729         msglen--;
 730         if (msglen < len)
 731                 return 0;
 732         BIO_indent(bio, indent, 80);
 733         BIO_printf(bio, "compression_methods (len=%d)\n", (int)len);
 734         while(len > 0)
 735                 {
 736                 BIO_indent(bio, indent + 2, 80);
 737                 BIO_printf(bio, "%s (0x%02X)\n",
 738                                 ssl_trace_str(msg[0], ssl_comp_tbl),
 739                                 msg[0]);
 740                 msg++;
 741                 msglen--;
 742                 len--;
 743                 }
 744         if (!ssl_print_extensions(bio, indent, 0, msg, msglen))
 745                 return 0;
 746         return 1;
 747         }
 748
 749 static int dtls_print_hello_vfyrequest(BIO *bio, int indent,
 750                                 const unsigned char *msg, size_t msglen)
 751         {
 752         if (!ssl_print_version(bio, indent, "server_version", &msg, &msglen))
 753                 return 0;
 754         if (!ssl_print_hexbuf(bio, indent, "cookie", 1, &msg, &msglen))
 755                 return 0;
 756         return 1;
 757         }
 758
 759 static int ssl_print_server_hello(BIO *bio, int indent,
 760                                 const unsigned char *msg, size_t msglen)
 761         {
 762         unsigned int cs;
 763         if (!ssl_print_version(bio, indent, "server_version", &msg, &msglen))
 764                 return 0;
 765         if (!ssl_print_random(bio, indent, &msg, &msglen))
 766                 return 0;
 767         if (!ssl_print_hexbuf(bio, indent, "session_id", 1, &msg, &msglen))
 768                 return 0;
 769         if (msglen < 2)
 770                 return 0;
 771         cs = (msg[0] << 8) | msg[1];
 772         BIO_indent(bio, indent, 80);
 773         BIO_printf(bio, "cipher_suite {0x%02X, 0x%02X} %s\n",
 774                                 msg[0], msg[1],
 775                                 ssl_trace_str(cs, ssl_ciphers_tbl));
 776         msg += 2;
 777         msglen -= 2;
 778         if (msglen < 1)
 779                 return 0;
 780         BIO_indent(bio, indent, 80);
 781         BIO_printf(bio, "compression_method: %s (0x%02X)\n",
 782                         ssl_trace_str(msg[0], ssl_comp_tbl), msg[0]);
 783         msg++;
 784         msglen--;
 785         if (!ssl_print_extensions(bio, indent, 1, msg, msglen))
 786                 return 0;
 787         return 1;
 788         }
 789
 790 static int ssl_get_keyex(const char **pname, SSL *ssl)
 791         {
 792         unsigned long alg_k = ssl->s3->tmp.new_cipher->algorithm_mkey;
 793         if (alg_k & SSL_kRSA)
 794                 {
 795                 *pname = "rsa";
 796                 return SSL_kRSA;
 797                 }
 798         if (alg_k & SSL_kDHr)
 799                 {
 800                 *pname = "dh_rsa";
 801                 return SSL_kDHr;
 802                 }
 803         if (alg_k & SSL_kDHd)
 804                 {
 805                 *pname = "dh_dss";
 806                 return SSL_kDHd;
 807                 }
 808         if (alg_k & SSL_kKRB5)
 809                 {
 810                 *pname = "krb5";
 811                 return SSL_kKRB5;
 812                 }
 813         if (alg_k & SSL_kDHE)
 814                 {
 815                 *pname = "DHE";
 816                 return SSL_kDHE;
 817                 }
 818         if (alg_k & SSL_kECDHE)
 819                 {
 820                 *pname = "ECDHE";
 821                 return SSL_kECDHE;
 822                 }
 823         if (alg_k & SSL_kECDHr)
 824                 {
 825                 *pname = "ECDH RSA";
 826                 return SSL_kECDHr;
 827                 }
 828         if (alg_k & SSL_kECDHe)
 829                 {
 830                 *pname = "ECDH ECDSA";
 831                 return SSL_kECDHe;
 832                 }
 833         if (alg_k & SSL_kPSK)
 834                 {
 835                 *pname = "PSK";
 836                 return SSL_kPSK;
 837                 }
 838         if (alg_k & SSL_kSRP)
 839                 {
 840                 *pname = "SRP";
 841                 return SSL_kSRP;
 842                 }
 843         if (alg_k & SSL_kGOST)
 844                 {
 845                 *pname = "GOST";
 846                 return SSL_kGOST;
 847                 }
 848         *pname = "UNKNOWN";
 849         return 0;
 850         }
 851
 852 static int ssl_print_client_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
 863         case SSL_kRSA:
 864                 if (TLS1_get_version(ssl) == SSL3_VERSION)
 865                         {
 866                         ssl_print_hex(bio, indent + 2,
 867                                                 "EncyptedPreMasterSecret",
 868                                                 msg, msglen);
 869                         }
 870                 else
 871                         {
 872                         if (!ssl_print_hexbuf(bio, indent + 2,
 873                                                 "EncyptedPreMasterSecret", 2,
 874                                                 &msg, &msglen))
 875                                 return 0;
 876                         }
 877                 break;
 878
 879                 /* Implicit parameters only allowed for static DH */
 880         case SSL_kDHd:
 881         case SSL_kDHr:
 882                 if (msglen == 0)
 883                         {
 884                         BIO_indent(bio, indent + 2, 80);
 885                         BIO_puts(bio, "implicit\n");
 886                         break;
 887                         }
 888         case SSL_kDHE:
 889                 if (!ssl_print_hexbuf(bio, indent + 2, "dh_Yc", 2,
 890                                                                 &msg, &msglen))
 891                         return 0;
 892                 break;
 893
 894         case SSL_kECDHr:
 895         case SSL_kECDHe:
 896                 if (msglen == 0)
 897                         {
 898                         BIO_indent(bio, indent + 2, 80);
 899                         BIO_puts(bio, "implicit\n");
 900                         break;
 901                         }
 902         case SSL_kECDHE:
 903                 if (!ssl_print_hexbuf(bio, indent + 2, "ecdh_Yc", 1,
 904                                                         &msg, &msglen))
 905                         return 0;
 906                 break;
 907                 }
 908
 909         return 1;
 910         }
 911
 912 static int ssl_print_server_keyex(BIO *bio, int indent, SSL *ssl,
 913                                 const unsigned char *msg, size_t msglen)
 914         {
 915         const char *algname;
 916         int id;
 917         id = ssl_get_keyex(&algname, ssl);
 918         BIO_indent(bio, indent, 80);
 919         BIO_printf(bio, "KeyExchangeAlgorithm=%s\n", algname);
 920         switch(id)
 921                 {
 922                 /* Should never happen */
 923         case SSL_kDHd:
 924         case SSL_kDHr:
 925         case SSL_kECDHr:
 926         case SSL_kECDHe:
 927                 BIO_indent(bio, indent + 2, 80);
 928                 BIO_printf(bio, "Unexpected Message\n");
 929                 break;
 930
 931         case SSL_kRSA:
 932
 933                 if (!ssl_print_hexbuf(bio, indent + 2, "rsa_modulus", 2,
 934                                                 &msg, &msglen))
 935                         return 0;
 936                 if (!ssl_print_hexbuf(bio, indent + 2, "rsa_exponent", 2,
 937                                                 &msg, &msglen))
 938                         return 0;
 939                 break;
 940
 941         case SSL_kDHE:
 942                 if (!ssl_print_hexbuf(bio, indent + 2, "dh_p", 2,
 943                                                 &msg, &msglen))
 944                         return 0;
 945                 if (!ssl_print_hexbuf(bio, indent + 2, "dh_g", 2,
 946                                                 &msg, &msglen))
 947                         return 0;
 948                 if (!ssl_print_hexbuf(bio, indent + 2, "dh_Ys", 2,
 949                                                 &msg, &msglen))
 950                         return 0;
 951                 break;
 952
 953         case SSL_kECDHE:
 954                 if (msglen < 1)
 955                         return 0;
 956                 BIO_indent(bio, indent + 2, 80);
 957                 if (msg[0] == EXPLICIT_PRIME_CURVE_TYPE)
 958                         BIO_puts(bio, "explicit_prime\n");
 959                 else if (msg[0] == EXPLICIT_CHAR2_CURVE_TYPE)
 960                         BIO_puts(bio, "explicit_char2\n");
 961                 else if (msg[0] == NAMED_CURVE_TYPE)
 962                         {
 963                         int curve;
 964                         if (msglen < 3)
 965                                 return 0;
 966                         curve = (msg[1] << 8) | msg[2];
 967                         BIO_printf(bio, "named_curve: %s (%d)\n",
 968                                         ssl_trace_str(curve, ssl_curve_tbl),
 969                                         curve);
 970                         msg += 3;
 971                         msglen -= 3;
 972                         if (!ssl_print_hexbuf(bio, indent + 2, "point", 1,
 973                                                         &msg, &msglen))
 974                                 return 0;
 975                         }
 976                 break;
 977                 }
 978         return ssl_print_signature(bio, indent, ssl, &msg, &msglen);
 979         }
 980
 981 static int ssl_print_certificate(BIO *bio, int indent,
 982                                 const unsigned char **pmsg, size_t *pmsglen)
 983         {
 984         size_t msglen = *pmsglen;
 985         size_t clen;
 986         X509 *x;
 987         const unsigned char *p = *pmsg, *q;
 988         if (msglen < 3)
 989                 return 0;
 990         clen = (p[0] << 16) | (p[1] << 8) | p[2];
 991         if (msglen < clen + 3)
 992                 return 0;
 993         q = p + 3;
 994         BIO_indent(bio, indent, 80);
 995         BIO_printf(bio, "ASN.1Cert, length=%d", (int)clen);
 996         x = d2i_X509(NULL, &q, clen);
 997         if (!x)
 998                 BIO_puts(bio, "<UNPARSEABLE CERTIFICATE>\n");
 999         else
1000                 {
1001                 BIO_puts(bio, "\n------details-----\n");
1002                 X509_print_ex(bio, x, XN_FLAG_ONELINE, 0);
1003                 PEM_write_bio_X509(bio, x);
1004                 /* Print certificate stuff */
1005                 BIO_puts(bio, "------------------\n");
1006                 X509_free(x);
1007                 }
1008         if (q != p + 3 + clen)
1009                 {
1010                 BIO_puts(bio, "<TRAILING GARBAGE AFTER CERTIFICATE>\n");
1011                 }
1012         *pmsg += clen + 3;
1013         *pmsglen -= clen + 3;
1014         return 1;
1015         }
1016
1017 static int ssl_print_certificates(BIO *bio, int indent,
1018                                 const unsigned char *msg, size_t msglen)
1019         {
1020         size_t clen;
1021         if (msglen < 3)
1022                 return 0;
1023         clen = (msg[0] << 16) | (msg[1] << 8) | msg[2];
1024         if (msglen != clen + 3)
1025                 return 0;
1026         msg += 3;
1027         BIO_indent(bio, indent, 80);
1028         BIO_printf(bio, "certificate_list, length=%d\n", (int)clen);
1029         while (clen > 0)
1030                 {
1031                 if (!ssl_print_certificate(bio, indent + 2, &msg, &clen))
1032                         return 0;
1033                 }
1034         return 1;
1035         }
1036
1037 static int ssl_print_cert_request(BIO *bio, int indent, SSL *s,
1038                                 const unsigned char *msg, size_t msglen)
1039         {
1040         size_t xlen;
1041         if (msglen < 1)
1042                 return 0;
1043         xlen = msg[0];
1044         if (msglen < xlen + 1)
1045                 return 0;
1046         msg++;
1047         BIO_indent(bio, indent, 80);
1048         BIO_printf(bio, "certificate_types (len=%d)\n", (int)xlen);
1049         if (!ssl_trace_list(bio, indent + 2, msg, xlen, 1, ssl_ctype_tbl))
1050                 return 0;
1051         msg += xlen;
1052         msglen -= xlen + 1;
1053         if (!SSL_USE_SIGALGS(s))
1054                 goto skip_sig;
1055         if (msglen < 2)
1056                 return 0;
1057         xlen = (msg[0] << 8) | msg[1];
1058         if (msglen < xlen + 2 || (xlen & 1))
1059                 return 0;
1060         msg += 2;
1061         BIO_indent(bio, indent, 80);
1062         BIO_printf(bio, "signature_algorithms (len=%d)\n", (int)xlen);
1063         while(xlen > 0)
1064                 {
1065                 BIO_indent(bio, indent + 2, 80);
1066                 BIO_printf(bio, "%s+%s (%d+%d)\n",
1067                                 ssl_trace_str(msg[0], ssl_md_tbl),
1068                                 ssl_trace_str(msg[1], ssl_sig_tbl),
1069                                 msg[0], msg[1]);
1070                 xlen -= 2;
1071                 msg += 2;
1072                 }
1073         msg += xlen;
1074         msglen -= xlen + 2;
1075
1076         skip_sig:
1077         xlen = (msg[0] << 8) | msg[1];
1078         BIO_indent(bio, indent, 80);
1079         if (msglen < xlen + 2)
1080                 return 0;
1081         msg += 2;
1082         msglen -= 2;
1083         BIO_printf(bio, "certificate_authorities (len=%d)\n", (int)xlen);
1084         while (xlen > 0)
1085                 {
1086                 size_t dlen;
1087                 X509_NAME *nm;
1088                 const unsigned char *p;
1089                 if (xlen < 2)
1090                         return 0;
1091                 dlen = (msg[0] << 8) | msg[1];
1092                 if (xlen < dlen + 2)
1093                         return 0;
1094                 msg += 2;
1095                 BIO_indent(bio, indent + 2, 80);
1096                 BIO_printf(bio, "DistinguishedName (len=%d): ", (int)dlen);
1097                 p = msg;
1098                 nm = d2i_X509_NAME(NULL, &p, dlen);
1099                 if (!nm)
1100                         {
1101                         BIO_puts(bio, "<UNPARSEABLE DN>\n");
1102                         }
1103                 else
1104                         {
1105                         X509_NAME_print_ex(bio, nm, 0, XN_FLAG_ONELINE);
1106                         BIO_puts(bio, "\n");
1107                         X509_NAME_free(nm);
1108                         }
1109                 xlen -= dlen + 2;
1110                 msg += dlen;
1111                 }
1112         return 1;
1113         }
1114
1115 static int ssl_print_ticket(BIO *bio, int indent,
1116                                 const unsigned char *msg, size_t msglen)
1117         {
1118         unsigned int tick_life;
1119         if (msglen == 0)
1120                 {
1121                 BIO_indent(bio, indent + 2, 80);
1122                 BIO_puts(bio, "No Ticket\n");
1123                 return 1;
1124                 }
1125         if (msglen < 4)
1126                 return 0;
1127         tick_life = (msg[0] << 24) | (msg[1] << 16) | (msg[2] << 8) | msg[3];
1128         msglen -= 4;
1129         msg += 4;
1130         BIO_indent(bio, indent + 2, 80);
1131         BIO_printf(bio, "ticket_lifetime_hint=%u\n", tick_life);
1132         if (!ssl_print_hexbuf(bio, indent + 2, "ticket", 2, &msg, &msglen))
1133                 return 0;
1134         if (msglen)
1135                 return 0;
1136         return 1;
1137         }
1138
1139
1140 static int ssl_print_handshake(BIO *bio, SSL *ssl,
1141                                 const unsigned char *msg, size_t msglen,
1142                                 int indent)
1143         {
1144         size_t hlen;
1145         unsigned char htype;
1146         if (msglen < 4)
1147                 return 0;
1148         htype = msg[0];
1149         hlen = (msg[1] << 16) | (msg[2] << 8) | msg[3];
1150         BIO_indent(bio, indent, 80);
1151         BIO_printf(bio, "%s, Length=%d\n",
1152                                 ssl_trace_str(htype, ssl_handshake_tbl),
1153                                 (int)hlen);
1154         msg += 4;
1155         msglen -= 4;
1156         if (SSL_IS_DTLS(ssl))
1157                 {
1158                 if (msglen < 8)
1159                         return 0;
1160                 BIO_indent(bio, indent, 80);
1161                 BIO_printf(bio, "message_seq=%d, fragment_offset=%d, "
1162                                 "fragment_length=%d\n",
1163                                 (msg[0] << 8) | msg[1],
1164                                 (msg[2] << 16) | (msg[3] << 8) | msg[4],
1165                                 (msg[5] << 16) | (msg[6] << 8) | msg[7]);
1166                 msg += 8;
1167                 msglen -= 8;
1168                 }
1169         if (msglen < hlen)
1170                 return 0;
1171         switch(htype)
1172                 {
1173         case SSL3_MT_CLIENT_HELLO:
1174                 if (!ssl_print_client_hello(bio, ssl, indent + 2, msg, msglen))
1175                         return 0;
1176                 break;
1177
1178         case DTLS1_MT_HELLO_VERIFY_REQUEST:
1179                 if (!dtls_print_hello_vfyrequest(bio, indent + 2, msg, msglen))
1180                         return 0;
1181                 break;
1182
1183         case SSL3_MT_SERVER_HELLO:
1184                 if (!ssl_print_server_hello(bio, indent + 2, msg, msglen))
1185                         return 0;
1186                 break;
1187
1188         case SSL3_MT_SERVER_KEY_EXCHANGE:
1189                 if (!ssl_print_server_keyex(bio, indent + 2, ssl, msg, msglen))
1190                         return 0;
1191                 break;
1192
1193         case SSL3_MT_CLIENT_KEY_EXCHANGE:
1194                 if (!ssl_print_client_keyex(bio, indent + 2, ssl, msg, msglen))
1195                         return 0;
1196                 break;
1197
1198         case SSL3_MT_CERTIFICATE:
1199                 if (!ssl_print_certificates(bio, indent + 2,  msg, msglen))
1200                         return 0;
1201                 break;
1202
1203         case SSL3_MT_CERTIFICATE_VERIFY:
1204                 if (!ssl_print_signature(bio, indent + 2, ssl, &msg, &msglen))
1205                         return 0;
1206                 break;
1207
1208         case SSL3_MT_CERTIFICATE_REQUEST:
1209                 if (!ssl_print_cert_request(bio, indent + 2,  ssl, msg, msglen))
1210                         return 0;
1211                 break;
1212
1213         case SSL3_MT_FINISHED:
1214                 ssl_print_hex(bio, indent + 2, "verify_data", msg, msglen);
1215                 break;
1216
1217         case SSL3_MT_SERVER_DONE:
1218                 if (msglen != 0)
1219                         ssl_print_hex(bio, indent + 2, "unexpected value",
1220                                                                 msg, msglen);
1221                 break;
1222
1223         case SSL3_MT_NEWSESSION_TICKET:
1224                 if (!ssl_print_ticket(bio, indent + 2,  msg, msglen))
1225                         return 0;
1226                 break;
1227
1228         default:
1229                 BIO_indent(bio, indent + 2, 80);
1230                 BIO_puts(bio, "Unsupported, hex dump follows:\n");
1231                 BIO_dump_indent(bio, (char *)msg, msglen, indent + 4);
1232                 }
1233         return 1;
1234         }
1235
1236 static int ssl_print_heartbeat(BIO *bio, int indent,
1237                                 const unsigned char *msg, size_t msglen)
1238         {
1239         if (msglen < 3)
1240                 return 0;
1241         BIO_indent(bio, indent, 80);
1242         BIO_printf(bio, "HeartBeatMessageType: %s\n",
1243                                 ssl_trace_str(msg[0], ssl_hb_type_tbl));
1244         msg++;
1245         msglen--;
1246         if (!ssl_print_hexbuf(bio, indent, "payload", 2, &msg, &msglen))
1247                 return 0;
1248         ssl_print_hex(bio, indent, "padding", msg, msglen);
1249         return 1;
1250         }
1251
1252 const char *SSL_CIPHER_standard_name(const SSL_CIPHER *c)
1253         {
1254         if (c->algorithm_ssl & SSL_SSLV2)
1255                 return NULL;
1256         return ssl_trace_str(c->id & 0xFFFF, ssl_ciphers_tbl);
1257         }
1258
1259 void SSL_trace(int write_p, int version, int content_type,
1260                 const void *buf, size_t msglen, SSL *ssl, void *arg)
1261         {
1262         const unsigned char *msg = buf;
1263         BIO *bio = arg;
1264
1265         if (write_p == 2)
1266                 {
1267                 BIO_puts(bio, "Session ");
1268                 ssl_print_hex(bio, 0,
1269                                 ssl_trace_str(content_type, ssl_crypto_tbl),
1270                                 msg, msglen);
1271                 return;
1272                 }
1273         switch (content_type)
1274                 {
1275         case SSL3_RT_HEADER:
1276                 {
1277                 int hvers = msg[1] << 8 | msg[2];
1278                 BIO_puts(bio, write_p ? "Sent" : "Received");
1279                 BIO_printf(bio, " Record\nHeader:\n  Version = %s (0x%x)\n",
1280                                 ssl_trace_str(hvers, ssl_version_tbl), hvers);
1281                 if (SSL_IS_DTLS(ssl))
1282                         {
1283                         BIO_printf(bio,
1284                                 "  epoch=%d, sequence_number=%04x%04x%04x\n",
1285                                         (msg[3] << 8 | msg[4]),
1286                                         (msg[5] << 8 | msg[6]),
1287                                         (msg[7] << 8 | msg[8]),
1288                                         (msg[9] << 8 | msg[10]));
1289 #if 0
1290                         /* Just print handshake type so we can see what is
1291                          * going on during fragmentation.
1292                          */
1293                         BIO_printf(bio, "(%s)\n",
1294                                 ssl_trace_str(msg[msglen], ssl_handshake_tbl));
1295 #endif
1296                         }
1297
1298                 BIO_printf(bio, "  Content Type = %s (%d)\n  Length = %d",
1299                                 ssl_trace_str(msg[0], ssl_content_tbl), msg[0],
1300                                 msg[msglen - 2] << 8 | msg[msglen - 1]);
1301                 }
1302                 break;
1303         case SSL3_RT_HANDSHAKE:
1304                 if (!ssl_print_handshake(bio, ssl, msg, msglen, 4))
1305                         BIO_printf(bio, "Message length parse error!\n");
1306                 break;
1307
1308         case SSL3_RT_CHANGE_CIPHER_SPEC:
1309                 if (msglen == 1 && msg[0] == 1)
1310                         BIO_puts(bio, "    change_cipher_spec (1)\n");
1311                 else
1312                         ssl_print_hex(bio, 4, "unknown value", msg, msglen);
1313                 break;
1314
1315         case SSL3_RT_ALERT:
1316                 if (msglen != 2)
1317                         BIO_puts(bio, "    Illegal Alert Length\n");
1318                 else
1319                         {
1320                         BIO_printf(bio,"    Level=%s(%d), description=%s(%d)\n",
1321                                         SSL_alert_type_string_long(msg[0] << 8),
1322                                         msg[0],
1323                                         SSL_alert_desc_string_long(msg[1]),
1324                                         msg[1]);
1325                         }
1326         case TLS1_RT_HEARTBEAT:
1327                 ssl_print_heartbeat(bio, 4, msg, msglen);
1328                 break;
1329
1330                 }
1331
1332         BIO_puts(bio, "\n");
1333         }
1334
1335 #endif