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         {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 ssl_trace_tbl ssl_crypto_tbl[] = {
 448         {TLS1_RT_CRYPTO_PREMASTER,      "Premaster Secret"},
 449         {TLS1_RT_CRYPTO_CLIENT_RANDOM,  "Client Random"},
 450         {TLS1_RT_CRYPTO_SERVER_RANDOM,  "Server Random"},
 451         {TLS1_RT_CRYPTO_MASTER,         "Master Secret"},
 452         {TLS1_RT_CRYPTO_MAC|TLS1_RT_CRYPTO_WRITE,       "Write Mac Secret"},
 453         {TLS1_RT_CRYPTO_MAC|TLS1_RT_CRYPTO_READ,        "Read Mac Secret"},
 454         {TLS1_RT_CRYPTO_KEY|TLS1_RT_CRYPTO_WRITE,       "Write Key"},
 455         {TLS1_RT_CRYPTO_KEY|TLS1_RT_CRYPTO_READ,        "Read Key"},
 456         {TLS1_RT_CRYPTO_IV|TLS1_RT_CRYPTO_WRITE,        "Write IV"},
 457         {TLS1_RT_CRYPTO_IV|TLS1_RT_CRYPTO_READ,         "Read IV"},
 458         {TLS1_RT_CRYPTO_FIXED_IV|TLS1_RT_CRYPTO_WRITE,  "Write IV (fixed part)"},
 459         {TLS1_RT_CRYPTO_FIXED_IV|TLS1_RT_CRYPTO_READ,   "Read IV (fixed part)"}
 460 };
 461
 462 static void ssl_print_hex(BIO *bio, int indent, const char *name,
 463                                 const unsigned char *msg, size_t msglen)
 464         {
 465         size_t i;
 466         BIO_indent(bio, indent, 80);
 467         BIO_printf(bio, "%s (len=%d): ", name, (int)msglen);
 468         for (i = 0; i < msglen; i++)
 469                 BIO_printf(bio, "%02X", msg[i]);
 470         BIO_puts(bio, "\n");
 471         }
 472
 473 static int ssl_print_hexbuf(BIO *bio, int indent,
 474                                 const char *name, size_t nlen,
 475                                 const unsigned char **pmsg, size_t *pmsglen)
 476         {
 477         size_t blen;
 478         const unsigned char *p = *pmsg;
 479         if (*pmsglen < nlen)
 480                 return 0;
 481         blen = p[0];
 482         if (nlen > 1)
 483                 blen = (blen << 8)|p[1];
 484         if (*pmsglen < nlen + blen)
 485                 return 0;
 486         p += nlen;
 487         ssl_print_hex(bio, indent, name, p, blen);
 488         *pmsg += blen + nlen;
 489         *pmsglen -= blen + nlen;
 490         return 1;
 491         }
 492
 493
 494
 495 static int ssl_print_version(BIO *bio, int indent, const char *name,
 496                                 const unsigned char **pmsg, size_t *pmsglen)
 497         {
 498         int vers;
 499         if (*pmsglen < 2)
 500                 return 0;
 501         vers = ((*pmsg)[0] << 8) | (*pmsg)[1];
 502         BIO_indent(bio, indent, 80);
 503         BIO_printf(bio, "%s=0x%x (%s)\n",
 504                                 name, vers,
 505                                 ssl_trace_str(vers, ssl_version_tbl));
 506         *pmsg += 2;
 507         *pmsglen -= 2;
 508         return 1;
 509         }
 510
 511 static int ssl_print_random(BIO *bio, int indent,
 512                                 const unsigned char **pmsg, size_t *pmsglen)
 513         {
 514         unsigned int tm;
 515         const unsigned char *p = *pmsg;
 516         if (*pmsglen < 32)
 517                 return 0;
 518         tm = (p[0] << 24) | (p[1] << 16) | (p[2] << 8) | p[3];
 519         p += 4;
 520         BIO_indent(bio, indent, 80);
 521         BIO_puts(bio, "Random:\n");
 522         BIO_indent(bio, indent + 2, 80);
 523         BIO_printf(bio, "gmt_unix_time=0x%08X\n", tm);
 524         ssl_print_hex(bio, indent + 2, "random_bytes", p, 28);
 525         *pmsg += 32;
 526         *pmsglen -= 32;
 527         return 1;
 528         }
 529
 530 static int ssl_print_signature(BIO *bio, int indent, SSL *s,
 531                                 const unsigned char **pmsg, size_t *pmsglen)
 532         {
 533         if (*pmsglen < 2)
 534                 return 0;
 535         if (SSL_USE_SIGALGS(s))
 536                 {
 537                 const unsigned char *p = *pmsg;
 538                 BIO_indent(bio, indent, 80);
 539                 BIO_printf(bio, "Signature Algorithm %s+%s (%d+%d)\n",
 540                                 ssl_trace_str(p[0], ssl_md_tbl),
 541                                 ssl_trace_str(p[1], ssl_sig_tbl),
 542                                 p[0], p[1]);
 543                 *pmsg += 2;
 544                 *pmsglen -= 2;
 545                 }
 546         return ssl_print_hexbuf(bio, indent, "Signature", 2, pmsg, pmsglen);
 547         }
 548
 549 static int ssl_print_extension(BIO *bio, int indent, int server, int extype,
 550                                 const unsigned char *ext, size_t extlen)
 551         {
 552         size_t xlen;
 553         BIO_indent(bio, indent, 80);
 554         BIO_printf(bio, "extension_type=%s(%d), length=%d\n",
 555                                 ssl_trace_str(extype, ssl_exts_tbl),
 556                                 extype, (int)extlen);
 557         switch(extype)
 558                 {
 559         case TLSEXT_TYPE_ec_point_formats:
 560                 if (extlen < 1)
 561                         return 0;
 562                 xlen = ext[0];
 563                 if (extlen != xlen + 1)
 564                         return 0;
 565                 return ssl_trace_list(bio, indent + 2,
 566                                         ext + 1, xlen, 1, ssl_point_tbl);
 567
 568         case TLSEXT_TYPE_elliptic_curves:
 569                 if (extlen < 2)
 570                         return 0;
 571                 xlen = (ext[0] << 8) | ext[1];
 572                 if (extlen != xlen + 2)
 573                         return 0;
 574                 return ssl_trace_list(bio, indent + 2,
 575                                         ext + 2, xlen, 2, ssl_curve_tbl);
 576
 577         case TLSEXT_TYPE_signature_algorithms:
 578
 579                 if (extlen < 2)
 580                         return 0;
 581                 xlen = (ext[0] << 8) | ext[1];
 582                 if (extlen != xlen + 2)
 583                         return 0;
 584                 if (xlen & 1)
 585                         return 0;
 586                 ext += 2;
 587                 while(xlen > 0)
 588                         {
 589                         BIO_indent(bio, indent + 2, 80);
 590                         BIO_printf(bio, "%s+%s (%d+%d)\n",
 591                                 ssl_trace_str(ext[0], ssl_md_tbl),
 592                                 ssl_trace_str(ext[1], ssl_sig_tbl),
 593                                 ext[0], ext[1]);
 594                         xlen-= 2;
 595                         ext+= 2;
 596                         }
 597                 break;
 598
 599         case TLSEXT_TYPE_renegotiate:
 600                 if (extlen < 1)
 601                         return 0;
 602                 xlen = ext[0];
 603                 if (xlen + 1 != extlen)
 604                         return 0;
 605                 ext++;
 606                 if (xlen)
 607                         {
 608                         if (server)
 609                                 {
 610                                 if (xlen & 1)
 611                                         return 0;
 612                                 xlen >>= 1;
 613                                 }
 614                         ssl_print_hex(bio, indent + 4, "client_verify_data",
 615                                                                 ext, xlen);
 616                         if (server)
 617                                 {
 618                                 ext += xlen;
 619                                 ssl_print_hex(bio, indent + 4,
 620                                                         "server_verify_data",
 621                                                         ext, xlen);
 622                                 }
 623                         }
 624                 else
 625                         {
 626                         BIO_indent(bio, indent + 4, 80);
 627                         BIO_puts(bio, "<EMPTY>\n");
 628                         }
 629                 break;
 630
 631         case TLSEXT_TYPE_heartbeat:
 632                 if (extlen != 1)
 633                         return 0;
 634                 BIO_indent(bio, indent + 2, 80);
 635                 BIO_printf(bio, "HeartbeatMode: %s\n",
 636                                 ssl_trace_str(ext[0], ssl_hb_tbl));
 637                 break;
 638
 639                 case TLSEXT_TYPE_session_ticket:
 640                 if (extlen != 0)
 641                         ssl_print_hex(bio, indent + 4, "ticket", ext, extlen);
 642                 break;
 643
 644         default:
 645                 BIO_dump_indent(bio, (char *)ext, extlen, indent + 2);
 646                 }
 647         return 1;
 648         }
 649
 650 static int ssl_print_extensions(BIO *bio, int indent, int server,
 651                                 const unsigned char *msg, size_t msglen)
 652         {
 653         size_t extslen;
 654         BIO_indent(bio, indent, 80);
 655         if (msglen == 0)
 656                 {
 657                 BIO_puts(bio, "No Extensions\n");
 658                 return 1;
 659                 }
 660         extslen = (msg[0] << 8) | msg[1];
 661         if (extslen != msglen - 2)
 662                 return 0;
 663         msg += 2;
 664         msglen = extslen;
 665         BIO_printf(bio, "extensions, length = %d\n", (int)msglen);
 666         while (msglen > 0)
 667                 {
 668                 int extype;
 669                 size_t extlen;
 670                 if (msglen < 4)
 671                         return 0;
 672                 extype = (msg[0] << 8) | msg[1];
 673                 extlen = (msg[2] << 8) | msg[3];
 674                 if (msglen < extlen + 4)
 675                         return 0;
 676                 msg += 4;
 677                 if (!ssl_print_extension(bio, indent + 2, server,
 678                                                         extype, msg, extlen))
 679                         return 0;
 680                 msg += extlen;
 681                 msglen -= extlen + 4;
 682                 }
 683         return 1;
 684         }
 685
 686 static int ssl_print_client_hello(BIO *bio, SSL *ssl, int indent,
 687                                 const unsigned char *msg, size_t msglen)
 688         {
 689         size_t len;
 690         unsigned int cs;
 691         if (!ssl_print_version(bio, indent, "client_version", &msg, &msglen))
 692                 return 0;
 693         if (!ssl_print_random(bio, indent, &msg, &msglen))
 694                 return 0;
 695         if (!ssl_print_hexbuf(bio, indent, "session_id", 1, &msg, &msglen))
 696                 return 0;
 697         if (SSL_IS_DTLS(ssl))
 698                 {
 699                 if (!ssl_print_hexbuf(bio, indent, "cookie", 1, &msg, &msglen))
 700                         return 0;
 701                 }
 702         if (msglen < 2)
 703                 return 0;
 704         len = (msg[0] << 8) | msg[1];
 705         msg += 2;
 706         msglen -= 2;
 707         BIO_indent(bio, indent, 80);
 708         BIO_printf(bio, "cipher_suites (len=%d)\n", (int)len);
 709         if (msglen < len || len & 1)
 710                 return 0;
 711         while(len > 0)
 712                 {
 713                 cs = (msg[0] << 8) | msg[1];
 714                 BIO_indent(bio, indent + 2, 80);
 715                 BIO_printf(bio, "{0x%02X, 0x%02X} %s\n",
 716                                 msg[0], msg[1],
 717                                 ssl_trace_str(cs, ssl_ciphers_tbl));
 718                 msg += 2;
 719                 msglen -= 2;
 720                 len -= 2;
 721                 }
 722         if (msglen < 1)
 723                 return 0;
 724         len = msg[0];
 725         msg++;
 726         msglen--;
 727         if (msglen < len)
 728                 return 0;
 729         BIO_indent(bio, indent, 80);
 730         BIO_printf(bio, "compression_methods (len=%d)\n", (int)len);
 731         while(len > 0)
 732                 {
 733                 BIO_indent(bio, indent + 2, 80);
 734                 BIO_printf(bio, "%s (0x%02X)\n",
 735                                 ssl_trace_str(msg[0], ssl_comp_tbl),
 736                                 msg[0]);
 737                 msg++;
 738                 msglen--;
 739                 len--;
 740                 }
 741         if (!ssl_print_extensions(bio, indent, 0, msg, msglen))
 742                 return 0;
 743         return 1;
 744         }
 745
 746 static int dtls_print_hello_vfyrequest(BIO *bio, int indent,
 747                                 const unsigned char *msg, size_t msglen)
 748         {
 749         if (!ssl_print_version(bio, indent, "server_version", &msg, &msglen))
 750                 return 0;
 751         if (!ssl_print_hexbuf(bio, indent, "cookie", 1, &msg, &msglen))
 752                 return 0;
 753         return 1;
 754         }
 755
 756 static int ssl_print_server_hello(BIO *bio, int indent,
 757                                 const unsigned char *msg, size_t msglen)
 758         {
 759         unsigned int cs;
 760         if (!ssl_print_version(bio, indent, "server_version", &msg, &msglen))
 761                 return 0;
 762         if (!ssl_print_random(bio, indent, &msg, &msglen))
 763                 return 0;
 764         if (!ssl_print_hexbuf(bio, indent, "session_id", 1, &msg, &msglen))
 765                 return 0;
 766         if (msglen < 2)
 767                 return 0;
 768         cs = (msg[0] << 8) | msg[1];
 769         BIO_indent(bio, indent, 80);
 770         BIO_printf(bio, "cipher_suite {0x%02X, 0x%02X} %s\n",
 771                                 msg[0], msg[1],
 772                                 ssl_trace_str(cs, ssl_ciphers_tbl));
 773         msg += 2;
 774         msglen -= 2;
 775         if (msglen < 1)
 776                 return 0;
 777         BIO_indent(bio, indent, 80);
 778         BIO_printf(bio, "compression_method: %s (0x%02X)\n",
 779                         ssl_trace_str(msg[0], ssl_comp_tbl), msg[0]);
 780         msg++;
 781         msglen--;
 782         if (!ssl_print_extensions(bio, indent, 1, msg, msglen))
 783                 return 0;
 784         return 1;
 785         }
 786
 787 static int ssl_get_keyex(const char **pname, SSL *ssl)
 788         {
 789         unsigned long alg_k = ssl->s3->tmp.new_cipher->algorithm_mkey;
 790         if (alg_k & SSL_kRSA)
 791                 {
 792                 *pname = "rsa";
 793                 return SSL_kRSA;
 794                 }
 795         if (alg_k & SSL_kDHr)
 796                 {
 797                 *pname = "dh_rsa";
 798                 return SSL_kDHr;
 799                 }
 800         if (alg_k & SSL_kDHd)
 801                 {
 802                 *pname = "dh_dss";
 803                 return SSL_kDHd;
 804                 }
 805         if (alg_k & SSL_kKRB5)
 806                 {
 807                 *pname = "krb5";
 808                 return SSL_kKRB5;
 809                 }
 810         if (alg_k & SSL_kEDH)
 811                 {
 812                 *pname = "edh";
 813                 return SSL_kEDH;
 814                 }
 815         if (alg_k & SSL_kEECDH)
 816                 {
 817                 *pname = "EECDH";
 818                 return SSL_kEECDH;
 819                 }
 820         if (alg_k & SSL_kECDHr)
 821                 {
 822                 *pname = "ECDH RSA";
 823                 return SSL_kECDHr;
 824                 }
 825         if (alg_k & SSL_kECDHe)
 826                 {
 827                 *pname = "ECDH ECDSA";
 828                 return SSL_kECDHe;
 829                 }
 830         if (alg_k & SSL_kPSK)
 831                 {
 832                 *pname = "PSK";
 833                 return SSL_kPSK;
 834                 }
 835         if (alg_k & SSL_kSRP)
 836                 {
 837                 *pname = "SRP";
 838                 return SSL_kSRP;
 839                 }
 840         if (alg_k & SSL_kGOST)
 841                 {
 842                 *pname = "GOST";
 843                 return SSL_kGOST;
 844                 }
 845         *pname = "UNKNOWN";
 846         return 0;
 847         }
 848
 849 static int ssl_print_client_keyex(BIO *bio, int indent, SSL *ssl,
 850                                 const unsigned char *msg, size_t msglen)
 851         {
 852         const char *algname;
 853         int id;
 854         id = ssl_get_keyex(&algname, ssl);
 855         BIO_indent(bio, indent, 80);
 856         BIO_printf(bio, "KeyExchangeAlgorithm=%s\n", algname);
 857         switch(id)
 858                 {
 859
 860         case SSL_kRSA:
 861                 if (TLS1_get_version(ssl) == SSL3_VERSION)
 862                         {
 863                         ssl_print_hex(bio, indent + 2,
 864                                                 "EncyptedPreMasterSecret",
 865                                                 msg, msglen);
 866                         }
 867                 else
 868                         {
 869                         if (!ssl_print_hexbuf(bio, indent + 2,
 870                                                 "EncyptedPreMasterSecret", 2,
 871                                                 &msg, &msglen))
 872                                 return 0;
 873                         }
 874                 break;
 875
 876                 /* Implicit parameters only allowed for static DH */
 877         case SSL_kDHd:
 878         case SSL_kDHr:
 879                 if (msglen == 0)
 880                         {
 881                         BIO_indent(bio, indent + 2, 80);
 882                         BIO_puts(bio, "implicit\n");
 883                         break;
 884                         }
 885         case SSL_kEDH:
 886                 if (!ssl_print_hexbuf(bio, indent + 2, "dh_Yc", 2,
 887                                                                 &msg, &msglen))
 888                         return 0;
 889                 break;
 890
 891         case SSL_kECDHr:
 892         case SSL_kECDHe:
 893                 if (msglen == 0)
 894                         {
 895                         BIO_indent(bio, indent + 2, 80);
 896                         BIO_puts(bio, "implicit\n");
 897                         break;
 898                         }
 899         case SSL_kEECDH:
 900                 if (!ssl_print_hexbuf(bio, indent + 2, "ecdh_Yc", 1,
 901                                                         &msg, &msglen))
 902                         return 0;
 903                 break;
 904                 }
 905
 906         return 1;
 907         }
 908
 909 static int ssl_print_server_keyex(BIO *bio, int indent, SSL *ssl,
 910                                 const unsigned char *msg, size_t msglen)
 911         {
 912         const char *algname;
 913         int id;
 914         id = ssl_get_keyex(&algname, ssl);
 915         BIO_indent(bio, indent, 80);
 916         BIO_printf(bio, "KeyExchangeAlgorithm=%s\n", algname);
 917         switch(id)
 918                 {
 919                 /* Should never happen */
 920         case SSL_kDHd:
 921         case SSL_kDHr:
 922         case SSL_kECDHr:
 923         case SSL_kECDHe:
 924                 BIO_indent(bio, indent + 2, 80);
 925                 BIO_printf(bio, "Unexpected Message\n");
 926                 break;
 927
 928         case SSL_kRSA:
 929
 930                 if (!ssl_print_hexbuf(bio, indent + 2, "rsa_modulus", 2,
 931                                                 &msg, &msglen))
 932                         return 0;
 933                 if (!ssl_print_hexbuf(bio, indent + 2, "rsa_exponent", 2,
 934                                                 &msg, &msglen))
 935                         return 0;
 936                 break;
 937
 938         case SSL_kEDH:
 939                 if (!ssl_print_hexbuf(bio, indent + 2, "dh_p", 2,
 940                                                 &msg, &msglen))
 941                         return 0;
 942                 if (!ssl_print_hexbuf(bio, indent + 2, "dh_g", 2,
 943                                                 &msg, &msglen))
 944                         return 0;
 945                 if (!ssl_print_hexbuf(bio, indent + 2, "dh_Ys", 2,
 946                                                 &msg, &msglen))
 947                         return 0;
 948                 break;
 949
 950         case SSL_kEECDH:
 951                 if (msglen < 1)
 952                         return 0;
 953                 BIO_indent(bio, indent + 2, 80);
 954                 if (msg[0] == EXPLICIT_PRIME_CURVE_TYPE)
 955                         BIO_puts(bio, "explicit_prime\n");
 956                 else if (msg[0] == EXPLICIT_CHAR2_CURVE_TYPE)
 957                         BIO_puts(bio, "explicit_char2\n");
 958                 else if (msg[0] == NAMED_CURVE_TYPE)
 959                         {
 960                         int curve;
 961                         if (msglen < 3)
 962                                 return 0;
 963                         curve = (msg[1] << 8) | msg[2];
 964                         BIO_printf(bio, "named_curve: %s (%d)\n",
 965                                         ssl_trace_str(curve, ssl_curve_tbl),
 966                                         curve);
 967                         msg += 3;
 968                         msglen -= 3;
 969                         if (!ssl_print_hexbuf(bio, indent + 2, "point", 1,
 970                                                         &msg, &msglen))
 971                                 return 0;
 972                         }
 973                 break;
 974                 }
 975         return ssl_print_signature(bio, indent, ssl, &msg, &msglen);
 976         }
 977
 978 static int ssl_print_certificate(BIO *bio, int indent,
 979                                 const unsigned char **pmsg, size_t *pmsglen)
 980         {
 981         size_t msglen = *pmsglen;
 982         size_t clen;
 983         X509 *x;
 984         const unsigned char *p = *pmsg, *q;
 985         if (msglen < 3)
 986                 return 0;
 987         clen = (p[0] << 16) | (p[1] << 8) | p[2];
 988         if (msglen < clen + 3)
 989                 return 0;
 990         q = p + 3;
 991         BIO_indent(bio, indent, 80);
 992         BIO_printf(bio, "ASN.1Cert, length=%d", (int)clen);
 993         x = d2i_X509(NULL, &q, clen);
 994         if (!x)
 995                 BIO_puts(bio, "<UNPARSEABLE CERTIFICATE>\n");
 996         else
 997                 {
 998                 BIO_puts(bio, "\n------details-----\n");
 999                 X509_print_ex(bio, x, XN_FLAG_ONELINE, 0);
1000                 PEM_write_bio_X509(bio, x);
1001                 /* Print certificate stuff */
1002                 BIO_puts(bio, "------------------\n");
1003                 X509_free(x);
1004                 }
1005         if (q != p + 3 + clen)
1006                 {
1007                 BIO_puts(bio, "<TRAILING GARBAGE AFTER CERTIFICATE>\n");
1008                 }
1009         *pmsg += clen + 3;
1010         *pmsglen -= clen + 3;
1011         return 1;
1012         }
1013
1014 static int ssl_print_certificates(BIO *bio, int indent,
1015                                 const unsigned char *msg, size_t msglen)
1016         {
1017         size_t clen;
1018         if (msglen < 3)
1019                 return 0;
1020         clen = (msg[0] << 16) | (msg[1] << 8) | msg[2];
1021         if (msglen != clen + 3)
1022                 return 0;
1023         msg += 3;
1024         BIO_indent(bio, indent, 80);
1025         BIO_printf(bio, "certificate_list, length=%d\n", (int)clen);
1026         while (clen > 0)
1027                 {
1028                 if (!ssl_print_certificate(bio, indent + 2, &msg, &clen))
1029                         return 0;
1030                 }
1031         return 1;
1032         }
1033
1034 static int ssl_print_cert_request(BIO *bio, int indent, SSL *s,
1035                                 const unsigned char *msg, size_t msglen)
1036         {
1037         size_t xlen;
1038         if (msglen < 1)
1039                 return 0;
1040         xlen = msg[0];
1041         if (msglen < xlen + 1)
1042                 return 0;
1043         msg++;
1044         BIO_indent(bio, indent, 80);
1045         BIO_printf(bio, "certificate_types (len=%d)\n", (int)xlen);
1046         if (!ssl_trace_list(bio, indent + 2, msg, xlen, 1, ssl_ctype_tbl))
1047                 return 0;
1048         msg += xlen;
1049         msglen -= xlen + 1;
1050         if (!SSL_USE_SIGALGS(s))
1051                 goto skip_sig;
1052         if (msglen < 2)
1053                 return 0;
1054         xlen = (msg[0] << 8) | msg[1];
1055         if (msglen < xlen + 2 || (xlen & 1))
1056                 return 0;
1057         msg += 2;
1058         BIO_indent(bio, indent, 80);
1059         BIO_printf(bio, "signature_algorithms (len=%d)\n", (int)xlen);
1060         while(xlen > 0)
1061                 {
1062                 BIO_indent(bio, indent + 2, 80);
1063                 BIO_printf(bio, "%s+%s (%d+%d)\n",
1064                                 ssl_trace_str(msg[0], ssl_md_tbl),
1065                                 ssl_trace_str(msg[1], ssl_sig_tbl),
1066                                 msg[0], msg[1]);
1067                 xlen -= 2;
1068                 msg += 2;
1069                 }
1070         msg += xlen;
1071         msglen -= xlen + 2;
1072
1073         skip_sig:
1074         xlen = (msg[0] << 8) | msg[1];
1075         BIO_indent(bio, indent, 80);
1076         if (msglen < xlen + 2)
1077                 return 0;
1078         msg += 2;
1079         msglen -= 2;
1080         BIO_printf(bio, "certificate_authorities (len=%d)\n", (int)xlen);
1081         while (xlen > 0)
1082                 {
1083                 size_t dlen;
1084                 X509_NAME *nm;
1085                 const unsigned char *p;
1086                 if (xlen < 2)
1087                         return 0;
1088                 dlen = (msg[0] << 8) | msg[1];
1089                 if (xlen < dlen + 2)
1090                         return 0;
1091                 msg += 2;
1092                 BIO_indent(bio, indent + 2, 80);
1093                 BIO_printf(bio, "DistinguishedName (len=%d): ", (int)dlen);
1094                 p = msg;
1095                 nm = d2i_X509_NAME(NULL, &p, dlen);
1096                 if (!nm)
1097                         {
1098                         BIO_puts(bio, "<UNPARSEABLE DN>\n");
1099                         }
1100                 else
1101                         {
1102                         X509_NAME_print_ex(bio, nm, 0, XN_FLAG_ONELINE);
1103                         BIO_puts(bio, "\n");
1104                         X509_NAME_free(nm);
1105                         }
1106                 xlen -= dlen + 2;
1107                 msg += dlen;
1108                 }
1109         return 1;
1110         }
1111
1112 static int ssl_print_ticket(BIO *bio, int indent,
1113                                 const unsigned char *msg, size_t msglen)
1114         {
1115         unsigned int tick_life;
1116         if (msglen == 0)
1117                 {
1118                 BIO_indent(bio, indent + 2, 80);
1119                 BIO_puts(bio, "No Ticket\n");
1120                 return 1;
1121                 }
1122         if (msglen < 4)
1123                 return 0;
1124         tick_life = (msg[0] << 24) | (msg[1] << 16) | (msg[2] << 8) | msg[3];
1125         msglen -= 4;
1126         msg += 4;
1127         BIO_indent(bio, indent + 2, 80);
1128         BIO_printf(bio, "ticket_lifetime_hint=%u\n", tick_life);
1129         if (!ssl_print_hexbuf(bio, indent + 2, "ticket", 2, &msg, &msglen))
1130                 return 0;
1131         if (msglen)
1132                 return 0;
1133         return 1;
1134         }
1135
1136
1137 static int ssl_print_handshake(BIO *bio, SSL *ssl,
1138                                 const unsigned char *msg, size_t msglen,
1139                                 int indent)
1140         {
1141         size_t hlen;
1142         unsigned char htype;
1143         if (msglen < 4)
1144                 return 0;
1145         htype = msg[0];
1146         hlen = (msg[1] << 16) | (msg[2] << 8) | msg[3];
1147         BIO_indent(bio, indent, 80);
1148         BIO_printf(bio, "%s, Length=%d\n",
1149                                 ssl_trace_str(htype, ssl_handshake_tbl),
1150                                 (int)hlen);
1151         msg += 4;
1152         msglen -= 4;
1153         if (SSL_IS_DTLS(ssl))
1154                 {
1155                 if (msglen < 8)
1156                         return 0;
1157                 BIO_indent(bio, indent, 80);
1158                 BIO_printf(bio, "message_seq=%d, fragment_offset=%d, "
1159                                 "fragment_length=%d\n",
1160                                 (msg[0] << 8) | msg[1],
1161                                 (msg[2] << 16) | (msg[3] << 8) | msg[4],
1162                                 (msg[5] << 16) | (msg[6] << 8) | msg[7]);
1163                 msg += 8;
1164                 msglen -= 8;
1165                 }
1166         if (msglen < hlen)
1167                 return 0;
1168         switch(htype)
1169                 {
1170         case SSL3_MT_CLIENT_HELLO:
1171                 if (!ssl_print_client_hello(bio, ssl, indent + 2, msg, msglen))
1172                         return 0;
1173                 break;
1174
1175         case DTLS1_MT_HELLO_VERIFY_REQUEST:
1176                 if (!dtls_print_hello_vfyrequest(bio, indent + 2, msg, msglen))
1177                         return 0;
1178                 break;
1179
1180         case SSL3_MT_SERVER_HELLO:
1181                 if (!ssl_print_server_hello(bio, indent + 2, msg, msglen))
1182                         return 0;
1183                 break;
1184
1185         case SSL3_MT_SERVER_KEY_EXCHANGE:
1186                 if (!ssl_print_server_keyex(bio, indent + 2, ssl, msg, msglen))
1187                         return 0;
1188                 break;
1189
1190         case SSL3_MT_CLIENT_KEY_EXCHANGE:
1191                 if (!ssl_print_client_keyex(bio, indent + 2, ssl, msg, msglen))
1192                         return 0;
1193                 break;
1194
1195         case SSL3_MT_CERTIFICATE:
1196                 if (!ssl_print_certificates(bio, indent + 2,  msg, msglen))
1197                         return 0;
1198                 break;
1199
1200         case SSL3_MT_CERTIFICATE_VERIFY:
1201                 if (!ssl_print_signature(bio, indent + 2, ssl, &msg, &msglen))
1202                         return 0;
1203                 break;
1204
1205         case SSL3_MT_CERTIFICATE_REQUEST:
1206                 if (!ssl_print_cert_request(bio, indent + 2,  ssl, msg, msglen))
1207                         return 0;
1208                 break;
1209
1210         case SSL3_MT_FINISHED:
1211                 ssl_print_hex(bio, indent + 2, "verify_data", msg, msglen);
1212                 break;
1213
1214         case SSL3_MT_SERVER_DONE:
1215                 if (msglen != 0)
1216                         ssl_print_hex(bio, indent + 2, "unexpected value",
1217                                                                 msg, msglen);
1218                 break;
1219
1220         case SSL3_MT_NEWSESSION_TICKET:
1221                 if (!ssl_print_ticket(bio, indent + 2,  msg, msglen))
1222                         return 0;
1223                 break;
1224
1225         default:
1226                 BIO_indent(bio, indent + 2, 80);
1227                 BIO_puts(bio, "Unsupported, hex dump follows:\n");
1228                 BIO_dump_indent(bio, (char *)msg, msglen, indent + 4);
1229                 }
1230         return 1;
1231         }
1232
1233 static int ssl_print_heartbeat(BIO *bio, int indent,
1234                                 const unsigned char *msg, size_t msglen)
1235         {
1236         if (msglen < 3)
1237                 return 0;
1238         BIO_indent(bio, indent, 80);
1239         BIO_printf(bio, "HeartBeatMessageType: %s\n",
1240                                 ssl_trace_str(msg[0], ssl_hb_type_tbl));
1241         msg++;
1242         msglen--;
1243         if (!ssl_print_hexbuf(bio, indent, "payload", 2, &msg, &msglen))
1244                 return 0;
1245         ssl_print_hex(bio, indent, "padding", msg, msglen);
1246         return 1;
1247         }
1248
1249 const char *SSL_CIPHER_standard_name(const SSL_CIPHER *c)
1250         {
1251         if (c->algorithm_ssl & SSL_SSLV2)
1252                 return NULL;
1253         return ssl_trace_str(c->id & 0xFFFF, ssl_ciphers_tbl);
1254         }
1255
1256 void SSL_trace(int write_p, int version, int content_type,
1257                 const void *buf, size_t msglen, SSL *ssl, void *arg)
1258         {
1259         const unsigned char *msg = buf;
1260         BIO *bio = arg;
1261
1262         if (write_p == 2)
1263                 {
1264                 BIO_puts(bio, "Session ");
1265                 ssl_print_hex(bio, 0,
1266                                 ssl_trace_str(content_type, ssl_crypto_tbl),
1267                                 msg, msglen);
1268                 return;
1269                 }
1270         switch (content_type)
1271                 {
1272         case SSL3_RT_HEADER:
1273                 {
1274                 int hvers = msg[1] << 8 | msg[2];
1275                 BIO_puts(bio, write_p ? "Sent" : "Received");
1276                 BIO_printf(bio, " Record\nHeader:\n  Version = %s (0x%x)\n",
1277                                 ssl_trace_str(hvers, ssl_version_tbl), hvers);
1278                 if (SSL_IS_DTLS(ssl))
1279                         {
1280                         BIO_printf(bio,
1281                                 "  epoch=%d, sequence_number=%04x%04x%04x\n",
1282                                         (msg[3] << 8 | msg[4]),
1283                                         (msg[5] << 8 | msg[6]),
1284                                         (msg[7] << 8 | msg[8]),
1285                                         (msg[9] << 8 | msg[10]));
1286 #if 0
1287                         /* Just print handshake type so we can see what is
1288                          * going on during fragmentation.
1289                          */
1290                         BIO_printf(bio, "(%s)\n",
1291                                 ssl_trace_str(msg[msglen], ssl_handshake_tbl));
1292 #endif
1293                         }
1294
1295                 BIO_printf(bio, "  Content Type = %s (%d)\n  Length = %d",
1296                                 ssl_trace_str(msg[0], ssl_content_tbl), msg[0],
1297                                 msg[msglen - 2] << 8 | msg[msglen - 1]);
1298                 }
1299                 break;
1300         case SSL3_RT_HANDSHAKE:
1301                 if (!ssl_print_handshake(bio, ssl, msg, msglen, 4))
1302                         BIO_printf(bio, "Message length parse error!\n");
1303                 break;
1304
1305         case SSL3_RT_CHANGE_CIPHER_SPEC:
1306                 if (msglen == 1 && msg[0] == 1)
1307                         BIO_puts(bio, "    change_cipher_spec (1)\n");
1308                 else
1309                         ssl_print_hex(bio, 4, "unknown value", msg, msglen);
1310                 break;
1311
1312         case SSL3_RT_ALERT:
1313                 if (msglen != 2)
1314                         BIO_puts(bio, "    Illegal Alert Length\n");
1315                 else
1316                         {
1317                         BIO_printf(bio,"    Level=%s(%d), description=%s(%d)\n",
1318                                         SSL_alert_type_string_long(msg[0] << 8),
1319                                         msg[0],
1320                                         SSL_alert_desc_string_long(msg[1]),
1321                                         msg[1]);
1322                         }
1323         case TLS1_RT_HEARTBEAT:
1324                 ssl_print_heartbeat(bio, 4, msg, msglen);
1325                 break;
1326
1327                 }
1328
1329         BIO_puts(bio, "\n");
1330         }
1331
1332 #endif