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_BAD_VER,         "DTLS 1.0 (bad)"}
 116 };
 117
 118 static ssl_trace_tbl ssl_content_tbl[] = {
 119         {SSL3_RT_CHANGE_CIPHER_SPEC,    "ChangeCipherSpec"},
 120         {SSL3_RT_ALERT,                 "Alert"},
 121         {SSL3_RT_HANDSHAKE,             "Handshake"},
 122         {SSL3_RT_APPLICATION_DATA,      "ApplicationData"},
 123         {TLS1_RT_HEARTBEAT,             "HeartBeat"}
 124 };
 125 /* Handshake types */
 126 static ssl_trace_tbl ssl_handshake_tbl[] = {
 127         {SSL3_MT_HELLO_REQUEST,         "HelloRequest"},
 128         {SSL3_MT_CLIENT_HELLO,          "ClientHello"},
 129         {SSL3_MT_SERVER_HELLO,          "ServerHello"},
 130         {DTLS1_MT_HELLO_VERIFY_REQUEST, "HelloVerifyRequest"},
 131         {SSL3_MT_NEWSESSION_TICKET,     "NewSessionTicket"},
 132         {SSL3_MT_CERTIFICATE,           "Certificate"},
 133         {SSL3_MT_SERVER_KEY_EXCHANGE,   "ServerKeyExchange"},
 134         {SSL3_MT_CERTIFICATE_REQUEST,   "CertificateRequest"},
 135         {SSL3_MT_CLIENT_KEY_EXCHANGE,   "ClientKeyExchange"},
 136         {SSL3_MT_CERTIFICATE_STATUS,    "CertificateStatus"},
 137         {SSL3_MT_SERVER_DONE,           "ServerHelloDone"},
 138         {SSL3_MT_CERTIFICATE_VERIFY,    "CertificateVerify"},
 139         {SSL3_MT_CLIENT_KEY_EXCHANGE,   "ClientKeyExchange"},
 140         {SSL3_MT_FINISHED,              "Finished"},
 141         {SSL3_MT_CERTIFICATE_STATUS,    "CertificateStatus"}
 142 };
 143 /* Cipher suites */
 144 static ssl_trace_tbl ssl_ciphers_tbl[] = {
 145         {0x0000, "SSL_NULL_WITH_NULL_NULL"},
 146         {0x0001, "SSL_RSA_WITH_NULL_MD5"},
 147         {0x0002, "SSL_RSA_WITH_NULL_SHA"},
 148         {0x0003, "SSL_RSA_EXPORT_WITH_RC4_40_MD5"},
 149         {0x0004, "SSL_RSA_WITH_RC4_128_MD5"},
 150         {0x0005, "SSL_RSA_WITH_RC4_128_SHA"},
 151         {0x0006, "SSL_RSA_EXPORT_WITH_RC2_CBC_40_MD5"},
 152         {0x0007, "SSL_RSA_WITH_IDEA_CBC_SHA"},
 153         {0x0008, "SSL_RSA_EXPORT_WITH_DES40_CBC_SHA"},
 154         {0x0009, "SSL_RSA_WITH_DES_CBC_SHA"},
 155         {0x000A, "SSL_RSA_WITH_3DES_EDE_CBC_SHA"},
 156         {0x000B, "SSL_DH_DSS_EXPORT_WITH_DES40_CBC_SHA"},
 157         {0x000C, "SSL_DH_DSS_WITH_DES_CBC_SHA"},
 158         {0x000D, "SSL_DH_DSS_WITH_3DES_EDE_CBC_SHA"},
 159         {0x000E, "SSL_DH_RSA_EXPORT_WITH_DES40_CBC_SHA"},
 160         {0x000F, "SSL_DH_RSA_WITH_DES_CBC_SHA"},
 161         {0x0010, "SSL_DH_RSA_WITH_3DES_EDE_CBC_SHA"},
 162         {0x0011, "SSL_DHE_DSS_EXPORT_WITH_DES40_CBC_SHA"},
 163         {0x0012, "SSL_DHE_DSS_WITH_DES_CBC_SHA"},
 164         {0x0013, "SSL_DHE_DSS_WITH_3DES_EDE_CBC_SHA"},
 165         {0x0014, "SSL_DHE_RSA_EXPORT_WITH_DES40_CBC_SHA"},
 166         {0x0015, "SSL_DHE_RSA_WITH_DES_CBC_SHA"},
 167         {0x0016, "SSL_DHE_RSA_WITH_3DES_EDE_CBC_SHA"},
 168         {0x0017, "SSL_DH_anon_EXPORT_WITH_RC4_40_MD5"},
 169         {0x0018, "SSL_DH_anon_WITH_RC4_128_MD5"},
 170         {0x0019, "SSL_DH_anon_EXPORT_WITH_DES40_CBC_SHA"},
 171         {0x001A, "SSL_DH_anon_WITH_DES_CBC_SHA"},
 172         {0x001B, "SSL_DH_anon_WITH_3DES_EDE_CBC_SHA"},
 173         {0x001D, "SSL_FORTEZZA_KEA_WITH_FORTEZZA_CBC_SHA"},
 174         {0x001E, "SSL_FORTEZZA_KEA_WITH_RC4_128_SHA"},
 175         {0x001F, "TLS_KRB5_WITH_3DES_EDE_CBC_SHA"},
 176         {0x0020, "TLS_KRB5_WITH_RC4_128_SHA"},
 177         {0x0021, "TLS_KRB5_WITH_IDEA_CBC_SHA"},
 178         {0x0022, "TLS_KRB5_WITH_DES_CBC_MD5"},
 179         {0x0023, "TLS_KRB5_WITH_3DES_EDE_CBC_MD5"},
 180         {0x0024, "TLS_KRB5_WITH_RC4_128_MD5"},
 181         {0x0025, "TLS_KRB5_WITH_IDEA_CBC_MD5"},
 182         {0x0026, "TLS_KRB5_EXPORT_WITH_DES_CBC_40_SHA"},
 183         {0x0027, "TLS_KRB5_EXPORT_WITH_RC2_CBC_40_SHA"},
 184         {0x0028, "TLS_KRB5_EXPORT_WITH_RC4_40_SHA"},
 185         {0x0029, "TLS_KRB5_EXPORT_WITH_DES_CBC_40_MD5"},
 186         {0x002A, "TLS_KRB5_EXPORT_WITH_RC2_CBC_40_MD5"},
 187         {0x002B, "TLS_KRB5_EXPORT_WITH_RC4_40_MD5"},
 188         {0x002F, "TLS_RSA_WITH_AES_128_CBC_SHA"},
 189         {0x0030, "TLS_DH_DSS_WITH_AES_128_CBC_SHA"},
 190         {0x0031, "TLS_DH_RSA_WITH_AES_128_CBC_SHA"},
 191         {0x0032, "TLS_DHE_DSS_WITH_AES_128_CBC_SHA"},
 192         {0x0033, "TLS_DHE_RSA_WITH_AES_128_CBC_SHA"},
 193         {0x0034, "TLS_DH_anon_WITH_AES_128_CBC_SHA"},
 194         {0x0035, "TLS_RSA_WITH_AES_256_CBC_SHA"},
 195         {0x0036, "TLS_DH_DSS_WITH_AES_256_CBC_SHA"},
 196         {0x0037, "TLS_DH_RSA_WITH_AES_256_CBC_SHA"},
 197         {0x0038, "TLS_DHE_DSS_WITH_AES_256_CBC_SHA"},
 198         {0x0039, "TLS_DHE_RSA_WITH_AES_256_CBC_SHA"},
 199         {0x003A, "TLS_DH_anon_WITH_AES_256_CBC_SHA"},
 200         {0x003B, "TLS_RSA_WITH_NULL_SHA256"},
 201         {0x003C, "TLS_RSA_WITH_AES_128_CBC_SHA256"},
 202         {0x003D, "TLS_RSA_WITH_AES_256_CBC_SHA256"},
 203         {0x003E, "TLS_DH_DSS_WITH_AES_128_CBC_SHA256"},
 204         {0x003F, "TLS_DH_RSA_WITH_AES_128_CBC_SHA256"},
 205         {0x0040, "TLS_DHE_DSS_WITH_AES_128_CBC_SHA256"},
 206         {0x0041, "TLS_RSA_WITH_CAMELLIA_128_CBC_SHA"},
 207         {0x0042, "TLS_DH_DSS_WITH_CAMELLIA_128_CBC_SHA"},
 208         {0x0043, "TLS_DH_RSA_WITH_CAMELLIA_128_CBC_SHA"},
 209         {0x0044, "TLS_DHE_DSS_WITH_CAMELLIA_128_CBC_SHA"},
 210         {0x0045, "TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA"},
 211         {0x0046, "TLS_DH_anon_WITH_CAMELLIA_128_CBC_SHA"},
 212         {0x0067, "TLS_DHE_RSA_WITH_AES_128_CBC_SHA256"},
 213         {0x0068, "TLS_DH_DSS_WITH_AES_256_CBC_SHA256"},
 214         {0x0069, "TLS_DH_RSA_WITH_AES_256_CBC_SHA256"},
 215         {0x006A, "TLS_DHE_DSS_WITH_AES_256_CBC_SHA256"},
 216         {0x006B, "TLS_DHE_RSA_WITH_AES_256_CBC_SHA256"},
 217         {0x006C, "TLS_DH_anon_WITH_AES_128_CBC_SHA256"},
 218         {0x006D, "TLS_DH_anon_WITH_AES_256_CBC_SHA256"},
 219         {0x0084, "TLS_RSA_WITH_CAMELLIA_256_CBC_SHA"},
 220         {0x0085, "TLS_DH_DSS_WITH_CAMELLIA_256_CBC_SHA"},
 221         {0x0086, "TLS_DH_RSA_WITH_CAMELLIA_256_CBC_SHA"},
 222         {0x0087, "TLS_DHE_DSS_WITH_CAMELLIA_256_CBC_SHA"},
 223         {0x0088, "TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA"},
 224         {0x0089, "TLS_DH_anon_WITH_CAMELLIA_256_CBC_SHA"},
 225         {0x008A, "TLS_PSK_WITH_RC4_128_SHA"},
 226         {0x008B, "TLS_PSK_WITH_3DES_EDE_CBC_SHA"},
 227         {0x008C, "TLS_PSK_WITH_AES_128_CBC_SHA"},
 228         {0x008D, "TLS_PSK_WITH_AES_256_CBC_SHA"},
 229         {0x008E, "TLS_DHE_PSK_WITH_RC4_128_SHA"},
 230         {0x008F, "TLS_DHE_PSK_WITH_3DES_EDE_CBC_SHA"},
 231         {0x0090, "TLS_DHE_PSK_WITH_AES_128_CBC_SHA"},
 232         {0x0091, "TLS_DHE_PSK_WITH_AES_256_CBC_SHA"},
 233         {0x0092, "TLS_RSA_PSK_WITH_RC4_128_SHA"},
 234         {0x0093, "TLS_RSA_PSK_WITH_3DES_EDE_CBC_SHA"},
 235         {0x0094, "TLS_RSA_PSK_WITH_AES_128_CBC_SHA"},
 236         {0x0095, "TLS_RSA_PSK_WITH_AES_256_CBC_SHA"},
 237         {0x0096, "TLS_RSA_WITH_SEED_CBC_SHA"},
 238         {0x0097, "TLS_DH_DSS_WITH_SEED_CBC_SHA"},
 239         {0x0098, "TLS_DH_RSA_WITH_SEED_CBC_SHA"},
 240         {0x0099, "TLS_DHE_DSS_WITH_SEED_CBC_SHA"},
 241         {0x009A, "TLS_DHE_RSA_WITH_SEED_CBC_SHA"},
 242         {0x009B, "TLS_DH_anon_WITH_SEED_CBC_SHA"},
 243         {0x009C, "TLS_RSA_WITH_AES_128_GCM_SHA256"},
 244         {0x009D, "TLS_RSA_WITH_AES_256_GCM_SHA384"},
 245         {0x009E, "TLS_DHE_RSA_WITH_AES_128_GCM_SHA256"},
 246         {0x009F, "TLS_DHE_RSA_WITH_AES_256_GCM_SHA384"},
 247         {0x00A0, "TLS_DH_RSA_WITH_AES_128_GCM_SHA256"},
 248         {0x00A1, "TLS_DH_RSA_WITH_AES_256_GCM_SHA384"},
 249         {0x00A2, "TLS_DHE_DSS_WITH_AES_128_GCM_SHA256"},
 250         {0x00A3, "TLS_DHE_DSS_WITH_AES_256_GCM_SHA384"},
 251         {0x00A4, "TLS_DH_DSS_WITH_AES_128_GCM_SHA256"},
 252         {0x00A5, "TLS_DH_DSS_WITH_AES_256_GCM_SHA384"},
 253         {0x00A6, "TLS_DH_anon_WITH_AES_128_GCM_SHA256"},
 254         {0x00A7, "TLS_DH_anon_WITH_AES_256_GCM_SHA384"},
 255         {0x00A8, "TLS_PSK_WITH_AES_128_GCM_SHA256"},
 256         {0x00A9, "TLS_PSK_WITH_AES_256_GCM_SHA384"},
 257         {0x00AA, "TLS_DHE_PSK_WITH_AES_128_GCM_SHA256"},
 258         {0x00AB, "TLS_DHE_PSK_WITH_AES_256_GCM_SHA384"},
 259         {0x00AC, "TLS_RSA_PSK_WITH_AES_128_GCM_SHA256"},
 260         {0x00AD, "TLS_RSA_PSK_WITH_AES_256_GCM_SHA384"},
 261         {0x00AE, "TLS_PSK_WITH_AES_128_CBC_SHA256"},
 262         {0x00AF, "TLS_PSK_WITH_AES_256_CBC_SHA384"},
 263         {0x00B0, "TLS_PSK_WITH_NULL_SHA256"},
 264         {0x00B1, "TLS_PSK_WITH_NULL_SHA384"},
 265         {0x00B2, "TLS_DHE_PSK_WITH_AES_128_CBC_SHA256"},
 266         {0x00B3, "TLS_DHE_PSK_WITH_AES_256_CBC_SHA384"},
 267         {0x00B4, "TLS_DHE_PSK_WITH_NULL_SHA256"},
 268         {0x00B5, "TLS_DHE_PSK_WITH_NULL_SHA384"},
 269         {0x00B6, "TLS_RSA_PSK_WITH_AES_128_CBC_SHA256"},
 270         {0x00B7, "TLS_RSA_PSK_WITH_AES_256_CBC_SHA384"},
 271         {0x00B8, "TLS_RSA_PSK_WITH_NULL_SHA256"},
 272         {0x00B9, "TLS_RSA_PSK_WITH_NULL_SHA384"},
 273         {0x00BA, "TLS_RSA_WITH_CAMELLIA_128_CBC_SHA256"},
 274         {0x00BB, "TLS_DH_DSS_WITH_CAMELLIA_128_CBC_SHA256"},
 275         {0x00BC, "TLS_DH_RSA_WITH_CAMELLIA_128_CBC_SHA256"},
 276         {0x00BD, "TLS_DHE_DSS_WITH_CAMELLIA_128_CBC_SHA256"},
 277         {0x00BE, "TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA256"},
 278         {0x00BF, "TLS_DH_anon_WITH_CAMELLIA_128_CBC_SHA256"},
 279         {0x00C0, "TLS_RSA_WITH_CAMELLIA_256_CBC_SHA256"},
 280         {0x00C1, "TLS_DH_DSS_WITH_CAMELLIA_256_CBC_SHA256"},
 281         {0x00C2, "TLS_DH_RSA_WITH_CAMELLIA_256_CBC_SHA256"},
 282         {0x00C3, "TLS_DHE_DSS_WITH_CAMELLIA_256_CBC_SHA256"},
 283         {0x00C4, "TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA256"},
 284         {0x00C5, "TLS_DH_anon_WITH_CAMELLIA_256_CBC_SHA256"},
 285         {0x00FF, "TLS_EMPTY_RENEGOTIATION_INFO_SCSV"},
 286         {0xC001, "TLS_ECDH_ECDSA_WITH_NULL_SHA"},
 287         {0xC002, "TLS_ECDH_ECDSA_WITH_RC4_128_SHA"},
 288         {0xC003, "TLS_ECDH_ECDSA_WITH_3DES_EDE_CBC_SHA"},
 289         {0xC004, "TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA"},
 290         {0xC005, "TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA"},
 291         {0xC006, "TLS_ECDHE_ECDSA_WITH_NULL_SHA"},
 292         {0xC007, "TLS_ECDHE_ECDSA_WITH_RC4_128_SHA"},
 293         {0xC008, "TLS_ECDHE_ECDSA_WITH_3DES_EDE_CBC_SHA"},
 294         {0xC009, "TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA"},
 295         {0xC00A, "TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA"},
 296         {0xC00B, "TLS_ECDH_RSA_WITH_NULL_SHA"},
 297         {0xC00C, "TLS_ECDH_RSA_WITH_RC4_128_SHA"},
 298         {0xC00D, "TLS_ECDH_RSA_WITH_3DES_EDE_CBC_SHA"},
 299         {0xC00E, "TLS_ECDH_RSA_WITH_AES_128_CBC_SHA"},
 300         {0xC00F, "TLS_ECDH_RSA_WITH_AES_256_CBC_SHA"},
 301         {0xC010, "TLS_ECDHE_RSA_WITH_NULL_SHA"},
 302         {0xC011, "TLS_ECDHE_RSA_WITH_RC4_128_SHA"},
 303         {0xC012, "TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA"},
 304         {0xC013, "TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA"},
 305         {0xC014, "TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA"},
 306         {0xC015, "TLS_ECDH_anon_WITH_NULL_SHA"},
 307         {0xC016, "TLS_ECDH_anon_WITH_RC4_128_SHA"},
 308         {0xC017, "TLS_ECDH_anon_WITH_3DES_EDE_CBC_SHA"},
 309         {0xC018, "TLS_ECDH_anon_WITH_AES_128_CBC_SHA"},
 310         {0xC019, "TLS_ECDH_anon_WITH_AES_256_CBC_SHA"},
 311         {0xC01A, "TLS_SRP_SHA_WITH_3DES_EDE_CBC_SHA"},
 312         {0xC01B, "TLS_SRP_SHA_RSA_WITH_3DES_EDE_CBC_SHA"},
 313         {0xC01C, "TLS_SRP_SHA_DSS_WITH_3DES_EDE_CBC_SHA"},
 314         {0xC01D, "TLS_SRP_SHA_WITH_AES_128_CBC_SHA"},
 315         {0xC01E, "TLS_SRP_SHA_RSA_WITH_AES_128_CBC_SHA"},
 316         {0xC01F, "TLS_SRP_SHA_DSS_WITH_AES_128_CBC_SHA"},
 317         {0xC020, "TLS_SRP_SHA_WITH_AES_256_CBC_SHA"},
 318         {0xC021, "TLS_SRP_SHA_RSA_WITH_AES_256_CBC_SHA"},
 319         {0xC022, "TLS_SRP_SHA_DSS_WITH_AES_256_CBC_SHA"},
 320         {0xC023, "TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256"},
 321         {0xC024, "TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384"},
 322         {0xC025, "TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA256"},
 323         {0xC026, "TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA384"},
 324         {0xC027, "TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256"},
 325         {0xC028, "TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384"},
 326         {0xC029, "TLS_ECDH_RSA_WITH_AES_128_CBC_SHA256"},
 327         {0xC02A, "TLS_ECDH_RSA_WITH_AES_256_CBC_SHA384"},
 328         {0xC02B, "TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256"},
 329         {0xC02C, "TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384"},
 330         {0xC02D, "TLS_ECDH_ECDSA_WITH_AES_128_GCM_SHA256"},
 331         {0xC02E, "TLS_ECDH_ECDSA_WITH_AES_256_GCM_SHA384"},
 332         {0xC02F, "TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256"},
 333         {0xC030, "TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384"},
 334         {0xC031, "TLS_ECDH_RSA_WITH_AES_128_GCM_SHA256"},
 335         {0xC032, "TLS_ECDH_RSA_WITH_AES_256_GCM_SHA384"},
 336         {0xFEFE, "SSL_RSA_FIPS_WITH_DES_CBC_SHA"},
 337         {0xFEFF, "SSL_RSA_FIPS_WITH_3DES_EDE_CBC_SHA"},
 338 };
 339 /* Compression methods */
 340 static ssl_trace_tbl ssl_comp_tbl[] = {
 341         {0x0000, "No Compression"},
 342         {0x0001, "Zlib Compression"}
 343 };
 344 /* Extensions */
 345 static ssl_trace_tbl ssl_exts_tbl[] = {
 346         {TLSEXT_TYPE_server_name, "server_name"},
 347         {TLSEXT_TYPE_max_fragment_length, "max_fragment_length"},
 348         {TLSEXT_TYPE_client_certificate_url, "client_certificate_url"},
 349         {TLSEXT_TYPE_trusted_ca_keys, "trusted_ca_keys"},
 350         {TLSEXT_TYPE_truncated_hmac, "truncated_hmac"},
 351         {TLSEXT_TYPE_status_request, "status_request"},
 352         {TLSEXT_TYPE_user_mapping, "user_mapping"},
 353         {TLSEXT_TYPE_client_authz, "client_authz"},
 354         {TLSEXT_TYPE_server_authz, "server_authz"},
 355         {TLSEXT_TYPE_cert_type, "cert_type"},
 356         {TLSEXT_TYPE_elliptic_curves, "elliptic_curves"},
 357         {TLSEXT_TYPE_ec_point_formats, "ec_point_formats"},
 358         {TLSEXT_TYPE_srp, "srp"},
 359         {TLSEXT_TYPE_signature_algorithms, "signature_algorithms"},
 360         {TLSEXT_TYPE_use_srtp, "use_srtp"},
 361         {TLSEXT_TYPE_heartbeat, "heartbeat"},
 362         {TLSEXT_TYPE_session_ticket, "session_ticket"},
 363 #ifdef TLSEXT_TYPE_opaque_prf_input
 364         {TLSEXT_TYPE_opaque_prf_input, "opaque_prf_input"},
 365 #endif
 366         {TLSEXT_TYPE_renegotiate, "renegotiate"},
 367         {TLSEXT_TYPE_next_proto_neg, "next_proto_neg"}
 368 };
 369
 370 static ssl_trace_tbl ssl_curve_tbl[] = {
 371         {1, "sect163k1 (K-163)"},
 372         {2, "sect163r1"},
 373         {3, "sect163r2 (B-163)"},
 374         {4, "sect193r1"},
 375         {5, "sect193r2"},
 376         {6, "sect233k1 (K-233)"},
 377         {7, "sect233r1 (B-233)"},
 378         {8, "sect239k1"},
 379         {9, "sect283k1 (K-283)"},
 380         {10, "sect283r1 (B-283)"},
 381         {11, "sect409k1 (K-409)"},
 382         {12, "sect409r1 (B-409)"},
 383         {13, "sect571k1 (K-571)"},
 384         {14, "sect571r1 (B-571)"},
 385         {15, "secp160k1"},
 386         {16, "secp160r1"},
 387         {17, "secp160r2"},
 388         {18, "secp192k1"},
 389         {19, "secp192r1 (P-192)"},
 390         {20, "secp224k1"},
 391         {21, "secp224r1 (P-224)"},
 392         {22, "secp256k1"},
 393         {23, "secp256r1 (P-256)"},
 394         {24, "secp384r1 (P-384)"},
 395         {25, "secp521r1 (P-521)"},
 396         {0xFF01, "arbitrary_explicit_prime_curves"},
 397         {0xFF02, "arbitrary_explicit_char2_curves"}
 398 };
 399
 400 static ssl_trace_tbl ssl_point_tbl[] = {
 401         {0, "uncompressed"},
 402         {1, "ansiX962_compressed_prime"},
 403         {2, "ansiX962_compressed_char2"}
 404 };
 405
 406 static ssl_trace_tbl ssl_md_tbl[] = {
 407         {0, "none"},
 408         {1, "md5"},
 409         {2, "sha1"},
 410         {3, "sha224"},
 411         {4, "sha256"},
 412         {5, "sha384"},
 413         {6, "sha512"}
 414 };
 415
 416 static ssl_trace_tbl ssl_sig_tbl[] = {
 417         {0, "anonymous"},
 418         {1, "rsa"},
 419         {2, "dsa"},
 420         {3, "ecdsa"}
 421 };
 422
 423 static ssl_trace_tbl ssl_hb_tbl[] = {
 424         {1, "peer_allowed_to_send"},
 425         {2, "peer_not_allowed_to_send"}
 426 };
 427
 428 static ssl_trace_tbl ssl_hb_type_tbl[] = {
 429         {1, "heartbeat_request"},
 430         {2, "heartbeat_response"}
 431 };
 432
 433 static ssl_trace_tbl ssl_ctype_tbl[] = {
 434         {1, "rsa_sign"},
 435         {2, "dss_sign"},
 436         {3, "rsa_fixed_dh"},
 437         {4, "dss_fixed_dh"},
 438         {5, "rsa_ephemeral_dh"},
 439         {6, "dss_ephemeral_dh"},
 440         {20, "fortezza_dms"},
 441         {64, "ecdsa_sign"},
 442         {65, "rsa_fixed_ecdh"},
 443         {66, "ecdsa_fixed_ecdh"}
 444 };
 445
 446 static ssl_trace_tbl ssl_crypto_tbl[] = {
 447         {TLS1_RT_CRYPTO_PREMASTER,      "Premaster Secret"},
 448         {TLS1_RT_CRYPTO_CLIENT_RANDOM,  "Client Random"},
 449         {TLS1_RT_CRYPTO_SERVER_RANDOM,  "Server Random"},
 450         {TLS1_RT_CRYPTO_MASTER,         "Master Secret"},
 451         {TLS1_RT_CRYPTO_MAC|TLS1_RT_CRYPTO_WRITE,       "Write Mac Secret"},
 452         {TLS1_RT_CRYPTO_MAC|TLS1_RT_CRYPTO_READ,        "Read Mac Secret"},
 453         {TLS1_RT_CRYPTO_KEY|TLS1_RT_CRYPTO_WRITE,       "Write Key"},
 454         {TLS1_RT_CRYPTO_KEY|TLS1_RT_CRYPTO_READ,        "Read Key"},
 455         {TLS1_RT_CRYPTO_IV|TLS1_RT_CRYPTO_WRITE,        "Write IV"},
 456         {TLS1_RT_CRYPTO_IV|TLS1_RT_CRYPTO_READ,         "Read IV"},
 457         {TLS1_RT_CRYPTO_FIXED_IV|TLS1_RT_CRYPTO_WRITE,  "Write IV (fixed part)"},
 458         {TLS1_RT_CRYPTO_FIXED_IV|TLS1_RT_CRYPTO_READ,   "Read IV (fixed part)"}
 459 };
 460
 461 static void ssl_print_hex(BIO *bio, int indent, const char *name,
 462                                 const unsigned char *msg, size_t msglen)
 463         {
 464         size_t i;
 465         BIO_indent(bio, indent, 80);
 466         BIO_printf(bio, "%s (len=%d): ", name, (int)msglen);
 467         for (i = 0; i < msglen; i++)
 468                 BIO_printf(bio, "%02X", msg[i]);
 469         BIO_puts(bio, "\n");
 470         }
 471
 472 static int ssl_print_hexbuf(BIO *bio, int indent,
 473                                 const char *name, size_t nlen,
 474                                 const unsigned char **pmsg, size_t *pmsglen)
 475         {
 476         size_t blen;
 477         const unsigned char *p = *pmsg;
 478         if (*pmsglen < nlen)
 479                 return 0;
 480         blen = p[0];
 481         if (nlen > 1)
 482                 blen = (blen << 8)|p[1];
 483         if (*pmsglen < nlen + blen)
 484                 return 0;
 485         p += nlen;
 486         ssl_print_hex(bio, indent, name, p, blen);
 487         *pmsg += blen + nlen;
 488         *pmsglen -= blen + nlen;
 489         return 1;
 490         }
 491
 492
 493
 494 static int ssl_print_version(BIO *bio, int indent, const char *name,
 495                                 const unsigned char **pmsg, size_t *pmsglen)
 496         {
 497         int vers;
 498         if (*pmsglen < 2)
 499                 return 0;
 500         vers = ((*pmsg)[0] << 8) | (*pmsg)[1];
 501         BIO_indent(bio, indent, 80);
 502         BIO_printf(bio, "%s=0x%x (%s)\n",
 503                                 name, vers,
 504                                 ssl_trace_str(vers, ssl_version_tbl));
 505         *pmsg += 2;
 506         *pmsglen -= 2;
 507         return 1;
 508         }
 509
 510 static int ssl_print_random(BIO *bio, int indent,
 511                                 const unsigned char **pmsg, size_t *pmsglen)
 512         {
 513         unsigned int tm;
 514         const unsigned char *p = *pmsg;
 515         if (*pmsglen < 32)
 516                 return 0;
 517         tm = (p[0] << 24) | (p[1] << 16) | (p[2] << 8) | p[3];
 518         p += 4;
 519         BIO_indent(bio, indent, 80);
 520         BIO_puts(bio, "Random:\n");
 521         BIO_indent(bio, indent + 2, 80);
 522         BIO_printf(bio, "gmt_unix_time=0x%08X\n", tm);
 523         ssl_print_hex(bio, indent + 2, "random_bytes", p, 28);
 524         *pmsg += 32;
 525         *pmsglen -= 32;
 526         return 1;
 527         }
 528
 529 static int ssl_print_signature(BIO *bio, int indent, SSL *s,
 530                                 const unsigned char **pmsg, size_t *pmsglen)
 531         {
 532         if (*pmsglen < 2)
 533                 return 0;
 534         if (TLS1_get_version(s) >= TLS1_2_VERSION)
 535                 {
 536                 const unsigned char *p = *pmsg;
 537                 BIO_indent(bio, indent, 80);
 538                 BIO_printf(bio, "Signature Algorithm %s+%s (%d+%d)\n",
 539                                 ssl_trace_str(p[0], ssl_md_tbl),
 540                                 ssl_trace_str(p[1], ssl_sig_tbl),
 541                                 p[0], p[1]);
 542                 *pmsg += 2;
 543                 *pmsglen -= 2;
 544                 }
 545         return ssl_print_hexbuf(bio, indent, "Signature", 2, pmsg, pmsglen);
 546         }
 547
 548 static int ssl_print_extension(BIO *bio, int indent, int server, int extype,
 549                                 const unsigned char *ext, size_t extlen)
 550         {
 551         size_t xlen;
 552         BIO_indent(bio, indent, 80);
 553         BIO_printf(bio, "extension_type=%s(%d), length=%d\n",
 554                                 ssl_trace_str(extype, ssl_exts_tbl),
 555                                 extype, (int)extlen);
 556         switch(extype)
 557                 {
 558         case TLSEXT_TYPE_ec_point_formats:
 559                 if (extlen < 1)
 560                         return 0;
 561                 xlen = ext[0];
 562                 if (extlen != xlen + 1)
 563                         return 0;
 564                 return ssl_trace_list(bio, indent + 2,
 565                                         ext + 1, xlen, 1, ssl_point_tbl);
 566
 567         case TLSEXT_TYPE_elliptic_curves:
 568                 if (extlen < 2)
 569                         return 0;
 570                 xlen = (ext[0] << 8) | ext[1];
 571                 if (extlen != xlen + 2)
 572                         return 0;
 573                 return ssl_trace_list(bio, indent + 2,
 574                                         ext + 2, xlen, 2, ssl_curve_tbl);
 575
 576         case TLSEXT_TYPE_signature_algorithms:
 577
 578                 if (extlen < 2)
 579                         return 0;
 580                 xlen = (ext[0] << 8) | ext[1];
 581                 if (extlen != xlen + 2)
 582                         return 0;
 583                 if (xlen & 1)
 584                         return 0;
 585                 ext += 2;
 586                 while(xlen > 0)
 587                         {
 588                         BIO_indent(bio, indent + 2, 80);
 589                         BIO_printf(bio, "%s+%s (%d+%d)\n",
 590                                 ssl_trace_str(ext[0], ssl_md_tbl),
 591                                 ssl_trace_str(ext[1], ssl_sig_tbl),
 592                                 ext[0], ext[1]);
 593                         xlen-= 2;
 594                         ext+= 2;
 595                         }
 596                 break;
 597
 598         case TLSEXT_TYPE_renegotiate:
 599                 if (extlen < 1)
 600                         return 0;
 601                 xlen = ext[0];
 602                 if (xlen + 1 != extlen)
 603                         return 0;
 604                 ext++;
 605                 if (xlen)
 606                         {
 607                         if (server)
 608                                 {
 609                                 if (xlen & 1)
 610                                         return 0;
 611                                 xlen >>= 1;
 612                                 }
 613                         ssl_print_hex(bio, indent + 4, "client_verify_data",
 614                                                                 ext, xlen);
 615                         if (server)
 616                                 {
 617                                 ext += xlen;
 618                                 ssl_print_hex(bio, indent + 4,
 619                                                         "server_verify_data",
 620                                                         ext, xlen);
 621                                 }
 622                         }
 623                 else
 624                         {
 625                         BIO_indent(bio, indent + 4, 80);
 626                         BIO_puts(bio, "<EMPTY>\n");
 627                         }
 628                 break;
 629
 630         case TLSEXT_TYPE_heartbeat:
 631                 if (extlen != 1)
 632                         return 0;
 633                 BIO_indent(bio, indent + 2, 80);
 634                 BIO_printf(bio, "HeartbeatMode: %s\n",
 635                                 ssl_trace_str(ext[0], ssl_hb_tbl));
 636                 break;
 637
 638                 case TLSEXT_TYPE_session_ticket:
 639                 if (extlen != 0)
 640                         ssl_print_hex(bio, indent + 4, "ticket", ext, extlen);
 641                 break;
 642
 643         default:
 644                 BIO_dump_indent(bio, (char *)ext, extlen, indent + 2);
 645                 }
 646         return 1;
 647         }
 648
 649 static int ssl_print_extensions(BIO *bio, int indent, int server,
 650                                 const unsigned char *msg, size_t msglen)
 651         {
 652         size_t extslen;
 653         BIO_indent(bio, indent, 80);
 654         if (msglen == 0)
 655                 {
 656                 BIO_puts(bio, "No Extensions\n");
 657                 return 1;
 658                 }
 659         extslen = (msg[0] << 8) | msg[1];
 660         if (extslen != msglen - 2)
 661                 return 0;
 662         msg += 2;
 663         msglen = extslen;
 664         BIO_printf(bio, "extensions, length = %d\n", (int)msglen);
 665         while (msglen > 0)
 666                 {
 667                 int extype;
 668                 size_t extlen;
 669                 if (msglen < 4)
 670                         return 0;
 671                 extype = (msg[0] << 8) | msg[1];
 672                 extlen = (msg[2] << 8) | msg[3];
 673                 if (msglen < extlen + 4)
 674                         return 0;
 675                 msg += 4;
 676                 if (!ssl_print_extension(bio, indent + 2, server,
 677                                                         extype, msg, extlen))
 678                         return 0;
 679                 msg += extlen;
 680                 msglen -= extlen + 4;
 681                 }
 682         return 1;
 683         }
 684
 685 static int ssl_print_client_hello(BIO *bio, SSL *ssl, int indent,
 686                                 const unsigned char *msg, size_t msglen)
 687         {
 688         size_t len;
 689         unsigned int cs;
 690         if (!ssl_print_version(bio, indent, "client_version", &msg, &msglen))
 691                 return 0;
 692         if (!ssl_print_random(bio, indent, &msg, &msglen))
 693                 return 0;
 694         if (!ssl_print_hexbuf(bio, indent, "session_id", 1, &msg, &msglen))
 695                 return 0;
 696         if (SSL_IS_DTLS(ssl))
 697                 {
 698                 if (!ssl_print_hexbuf(bio, indent, "cookie", 1, &msg, &msglen))
 699                         return 0;
 700                 }
 701         if (msglen < 2)
 702                 return 0;
 703         len = (msg[0] << 8) | msg[1];
 704         msg += 2;
 705         msglen -= 2;
 706         BIO_indent(bio, indent, 80);
 707         BIO_printf(bio, "cipher_suites (len=%d)\n", (int)len);
 708         if (msglen < len || len & 1)
 709                 return 0;
 710         while(len > 0)
 711                 {
 712                 cs = (msg[0] << 8) | msg[1];
 713                 BIO_indent(bio, indent + 2, 80);
 714                 BIO_printf(bio, "{0x%02X, 0x%02X} %s\n",
 715                                 msg[0], msg[1],
 716                                 ssl_trace_str(cs, ssl_ciphers_tbl));
 717                 msg += 2;
 718                 msglen -= 2;
 719                 len -= 2;
 720                 }
 721         if (msglen < 1)
 722                 return 0;
 723         len = msg[0];
 724         msg++;
 725         msglen--;
 726         if (msglen < len)
 727                 return 0;
 728         BIO_indent(bio, indent, 80);
 729         BIO_printf(bio, "compression_methods (len=%d)\n", (int)len);
 730         while(len > 0)
 731                 {
 732                 BIO_indent(bio, indent + 2, 80);
 733                 BIO_printf(bio, "%s (0x%02X)\n",
 734                                 ssl_trace_str(msg[0], ssl_comp_tbl),
 735                                 msg[0]);
 736                 msg++;
 737                 msglen--;
 738                 len--;
 739                 }
 740         if (!ssl_print_extensions(bio, indent, 0, msg, msglen))
 741                 return 0;
 742         return 1;
 743         }
 744
 745 static int dtls_print_hello_vfyrequest(BIO *bio, int indent,
 746                                 const unsigned char *msg, size_t msglen)
 747         {
 748         if (!ssl_print_version(bio, indent, "server_version", &msg, &msglen))
 749                 return 0;
 750         if (!ssl_print_hexbuf(bio, indent, "cookie", 1, &msg, &msglen))
 751                 return 0;
 752         return 1;
 753         }
 754
 755 static int ssl_print_server_hello(BIO *bio, int indent,
 756                                 const unsigned char *msg, size_t msglen)
 757         {
 758         unsigned int cs;
 759         if (!ssl_print_version(bio, indent, "server_version", &msg, &msglen))
 760                 return 0;
 761         if (!ssl_print_random(bio, indent, &msg, &msglen))
 762                 return 0;
 763         if (!ssl_print_hexbuf(bio, indent, "session_id", 1, &msg, &msglen))
 764                 return 0;
 765         if (msglen < 2)
 766                 return 0;
 767         cs = (msg[0] << 8) | msg[1];
 768         BIO_indent(bio, indent, 80);
 769         BIO_printf(bio, "cipher_suite {0x%02X, 0x%02X} %s\n",
 770                                 msg[0], msg[1],
 771                                 ssl_trace_str(cs, ssl_ciphers_tbl));
 772         msg += 2;
 773         msglen -= 2;
 774         if (msglen < 1)
 775                 return 0;
 776         BIO_indent(bio, indent, 80);
 777         BIO_printf(bio, "compression_method: %s (0x%02X)\n",
 778                         ssl_trace_str(msg[0], ssl_comp_tbl), msg[0]);
 779         msg++;
 780         msglen--;
 781         if (!ssl_print_extensions(bio, indent, 1, msg, msglen))
 782                 return 0;
 783         return 1;
 784         }
 785
 786 static int ssl_get_keyex(const char **pname, SSL *ssl)
 787         {
 788         unsigned long alg_k = ssl->s3->tmp.new_cipher->algorithm_mkey;
 789         if (alg_k & SSL_kRSA)
 790                 {
 791                 *pname = "rsa";
 792                 return SSL_kRSA;
 793                 }
 794         if (alg_k & SSL_kDHr)
 795                 {
 796                 *pname = "dh_rsa";
 797                 return SSL_kDHr;
 798                 }
 799         if (alg_k & SSL_kDHd)
 800                 {
 801                 *pname = "dh_dss";
 802                 return SSL_kDHd;
 803                 }
 804         if (alg_k & SSL_kKRB5)
 805                 {
 806                 *pname = "krb5";
 807                 return SSL_kKRB5;
 808                 }
 809         if (alg_k & SSL_kEDH)
 810                 {
 811                 *pname = "edh";
 812                 return SSL_kEDH;
 813                 }
 814         if (alg_k & SSL_kEECDH)
 815                 {
 816                 *pname = "EECDH";
 817                 return SSL_kEECDH;
 818                 }
 819         if (alg_k & SSL_kECDHr)
 820                 {
 821                 *pname = "ECDH RSA";
 822                 return SSL_kECDHr;
 823                 }
 824         if (alg_k & SSL_kECDHe)
 825                 {
 826                 *pname = "ECDH ECDSA";
 827                 return SSL_kECDHe;
 828                 }
 829         if (alg_k & SSL_kPSK)
 830                 {
 831                 *pname = "PSK";
 832                 return SSL_kPSK;
 833                 }
 834         if (alg_k & SSL_kSRP)
 835                 {
 836                 *pname = "SRP";
 837                 return SSL_kSRP;
 838                 }
 839         if (alg_k & SSL_kGOST)
 840                 {
 841                 *pname = "GOST";
 842                 return SSL_kGOST;
 843                 }
 844         *pname = "UNKNOWN";
 845         return 0;
 846         }
 847
 848 static int ssl_print_client_keyex(BIO *bio, int indent, SSL *ssl,
 849                                 const unsigned char *msg, size_t msglen)
 850         {
 851         const char *algname;
 852         int id;
 853         id = ssl_get_keyex(&algname, ssl);
 854         BIO_indent(bio, indent, 80);
 855         BIO_printf(bio, "KeyExchangeAlgorithm=%s\n", algname);
 856         switch(id)
 857                 {
 858
 859         case SSL_kRSA:
 860                 if (TLS1_get_version(ssl) == SSL3_VERSION)
 861                         {
 862                         ssl_print_hex(bio, indent + 2,
 863                                                 "EncyptedPreMasterSecret",
 864                                                 msg, msglen);
 865                         }
 866                 else
 867                         {
 868                         if (!ssl_print_hexbuf(bio, indent + 2,
 869                                                 "EncyptedPreMasterSecret", 2,
 870                                                 &msg, &msglen))
 871                                 return 0;
 872                         }
 873                 break;
 874
 875                 /* Implicit parameters only allowed for static DH */
 876         case SSL_kDHd:
 877         case SSL_kDHr:
 878                 if (msglen == 0)
 879                         {
 880                         BIO_indent(bio, indent + 2, 80);
 881                         BIO_puts(bio, "implicit\n");
 882                         break;
 883                         }
 884         case SSL_kEDH:
 885                 if (!ssl_print_hexbuf(bio, indent + 2, "dh_Yc", 2,
 886                                                                 &msg, &msglen))
 887                         return 0;
 888                 break;
 889
 890         case SSL_kECDHr:
 891         case SSL_kECDHe:
 892                 if (msglen == 0)
 893                         {
 894                         BIO_indent(bio, indent + 2, 80);
 895                         BIO_puts(bio, "implicit\n");
 896                         break;
 897                         }
 898         case SSL_kEECDH:
 899                 if (!ssl_print_hexbuf(bio, indent + 2, "ecdh_Yc", 1,
 900                                                         &msg, &msglen))
 901                         return 0;
 902                 break;
 903                 }
 904
 905         return 1;
 906         }
 907
 908 static int ssl_print_server_keyex(BIO *bio, int indent, SSL *ssl,
 909                                 const unsigned char *msg, size_t msglen)
 910         {
 911         const char *algname;
 912         int id;
 913         id = ssl_get_keyex(&algname, ssl);
 914         BIO_indent(bio, indent, 80);
 915         BIO_printf(bio, "KeyExchangeAlgorithm=%s\n", algname);
 916         switch(id)
 917                 {
 918                 /* Should never happen */
 919         case SSL_kDHd:
 920         case SSL_kDHr:
 921         case SSL_kECDHr:
 922         case SSL_kECDHe:
 923                 BIO_indent(bio, indent + 2, 80);
 924                 BIO_printf(bio, "Unexpected Message\n");
 925                 break;
 926
 927         case SSL_kRSA:
 928
 929                 if (!ssl_print_hexbuf(bio, indent + 2, "rsa_modulus", 2,
 930                                                 &msg, &msglen))
 931                         return 0;
 932                 if (!ssl_print_hexbuf(bio, indent + 2, "rsa_exponent", 2,
 933                                                 &msg, &msglen))
 934                         return 0;
 935                 break;
 936
 937         case SSL_kEDH:
 938                 if (!ssl_print_hexbuf(bio, indent + 2, "dh_p", 2,
 939                                                 &msg, &msglen))
 940                         return 0;
 941                 if (!ssl_print_hexbuf(bio, indent + 2, "dh_g", 2,
 942                                                 &msg, &msglen))
 943                         return 0;
 944                 if (!ssl_print_hexbuf(bio, indent + 2, "dh_Ys", 2,
 945                                                 &msg, &msglen))
 946                         return 0;
 947                 break;
 948
 949         case SSL_kEECDH:
 950                 if (msglen < 1)
 951                         return 0;
 952                 BIO_indent(bio, indent + 2, 80);
 953                 if (msg[0] == EXPLICIT_PRIME_CURVE_TYPE)
 954                         BIO_puts(bio, "explicit_prime\n");
 955                 else if (msg[0] == EXPLICIT_CHAR2_CURVE_TYPE)
 956                         BIO_puts(bio, "explicit_char2\n");
 957                 else if (msg[0] == NAMED_CURVE_TYPE)
 958                         {
 959                         int curve;
 960                         if (msglen < 3)
 961                                 return 0;
 962                         curve = (msg[1] << 8) | msg[2];
 963                         BIO_printf(bio, "named_curve: %s (%d)\n",
 964                                         ssl_trace_str(curve, ssl_curve_tbl),
 965                                         curve);
 966                         msg += 3;
 967                         msglen -= 3;
 968                         if (!ssl_print_hexbuf(bio, indent + 2, "point", 1,
 969                                                         &msg, &msglen))
 970                                 return 0;
 971                         }
 972                 break;
 973                 }
 974         return ssl_print_signature(bio, indent, ssl, &msg, &msglen);
 975         }
 976
 977 static int ssl_print_certificate(BIO *bio, int indent,
 978                                 const unsigned char **pmsg, size_t *pmsglen)
 979         {
 980         size_t msglen = *pmsglen;
 981         size_t clen;
 982         X509 *x;
 983         const unsigned char *p = *pmsg, *q;
 984         if (msglen < 3)
 985                 return 0;
 986         clen = (p[0] << 16) | (p[1] << 8) | p[2];
 987         if (msglen < clen + 3)
 988                 return 0;
 989         q = p + 3;
 990         BIO_indent(bio, indent, 80);
 991         BIO_printf(bio, "ASN.1Cert, length=%d", (int)clen);
 992         x = d2i_X509(NULL, &q, clen);
 993         if (!x)
 994                 BIO_puts(bio, "<UNPARSEABLE CERTIFICATE>\n");
 995         else
 996                 {
 997                 BIO_puts(bio, "\n------details-----\n");
 998                 X509_print_ex(bio, x, XN_FLAG_ONELINE, 0);
 999                 PEM_write_bio_X509(bio, x);
1000                 /* Print certificate stuff */
1001                 BIO_puts(bio, "------------------\n");
1002                 X509_free(x);
1003                 }
1004         if (q != p + 3 + clen)
1005                 {
1006                 BIO_puts(bio, "<TRAILING GARBAGE AFTER CERTIFICATE>\n");
1007                 }
1008         *pmsg += clen + 3;
1009         *pmsglen -= clen + 3;
1010         return 1;
1011         }
1012
1013 static int ssl_print_certificates(BIO *bio, int indent,
1014                                 const unsigned char *msg, size_t msglen)
1015         {
1016         size_t clen;
1017         if (msglen < 3)
1018                 return 0;
1019         clen = (msg[0] << 16) | (msg[1] << 8) | msg[2];
1020         if (msglen != clen + 3)
1021                 return 0;
1022         msg += 3;
1023         BIO_indent(bio, indent, 80);
1024         BIO_printf(bio, "certificate_list, length=%d\n", (int)clen);
1025         while (clen > 0)
1026                 {
1027                 if (!ssl_print_certificate(bio, indent + 2, &msg, &clen))
1028                         return 0;
1029                 }
1030         return 1;
1031         }
1032
1033 static int ssl_print_cert_request(BIO *bio, int indent, SSL *s,
1034                                 const unsigned char *msg, size_t msglen)
1035         {
1036         size_t xlen;
1037         if (msglen < 1)
1038                 return 0;
1039         xlen = msg[0];
1040         if (msglen < xlen + 1)
1041                 return 0;
1042         msg++;
1043         BIO_indent(bio, indent, 80);
1044         BIO_printf(bio, "certificate_types (len=%d)\n", (int)xlen);
1045         if (!ssl_trace_list(bio, indent + 2, msg, xlen, 1, ssl_ctype_tbl))
1046                 return 0;
1047         msg += xlen;
1048         msglen -= xlen + 1;
1049         if (TLS1_get_version(s) < TLS1_2_VERSION)
1050                 goto skip_sig;
1051         if (msglen < 2)
1052                 return 0;
1053         xlen = (msg[0] << 8) | msg[1];
1054         if (msglen < xlen + 2 || (xlen & 1))
1055                 return 0;
1056         msg += 2;
1057         BIO_indent(bio, indent, 80);
1058         BIO_printf(bio, "signature_algorithms (len=%d)\n", (int)xlen);
1059         while(xlen > 0)
1060                 {
1061                 BIO_indent(bio, indent + 2, 80);
1062                 BIO_printf(bio, "%s+%s (%d+%d)\n",
1063                                 ssl_trace_str(msg[0], ssl_md_tbl),
1064                                 ssl_trace_str(msg[1], ssl_sig_tbl),
1065                                 msg[0], msg[1]);
1066                 xlen -= 2;
1067                 msg += 2;
1068                 }
1069         msg += xlen;
1070         msglen -= xlen + 2;
1071
1072         skip_sig:
1073         xlen = (msg[0] << 8) | msg[1];
1074         BIO_indent(bio, indent, 80);
1075         if (msglen < xlen + 2)
1076                 return 0;
1077         msg += 2;
1078         msglen -= 2;
1079         BIO_printf(bio, "certificate_authorities (len=%d)\n", (int)xlen);
1080         while (xlen > 0)
1081                 {
1082                 size_t dlen;
1083                 X509_NAME *nm;
1084                 const unsigned char *p;
1085                 if (xlen < 2)
1086                         return 0;
1087                 dlen = (msg[0] << 8) | msg[1];
1088                 if (xlen < dlen + 2)
1089                         return 0;
1090                 msg += 2;
1091                 BIO_indent(bio, indent + 2, 80);
1092                 BIO_printf(bio, "DistinguishedName (len=%d): ", (int)dlen);
1093                 p = msg;
1094                 nm = d2i_X509_NAME(NULL, &p, dlen);
1095                 if (!nm)
1096                         {
1097                         BIO_puts(bio, "<UNPARSEABLE DN>\n");
1098                         }
1099                 else
1100                         {
1101                         X509_NAME_print_ex(bio, nm, 0, XN_FLAG_ONELINE);
1102                         BIO_puts(bio, "\n");
1103                         X509_NAME_free(nm);
1104                         }
1105                 xlen -= dlen + 2;
1106                 msg += dlen;
1107                 }
1108         return 1;
1109         }
1110
1111 static int ssl_print_ticket(BIO *bio, int indent,
1112                                 const unsigned char *msg, size_t msglen)
1113         {
1114         unsigned int tick_life;
1115         if (msglen == 0)
1116                 {
1117                 BIO_indent(bio, indent + 2, 80);
1118                 BIO_puts(bio, "No Ticket\n");
1119                 return 1;
1120                 }
1121         if (msglen < 4)
1122                 return 0;
1123         tick_life = (msg[0] << 24) | (msg[1] << 16) | (msg[2] << 8) | msg[3];
1124         msglen -= 4;
1125         msg += 4;
1126         BIO_indent(bio, indent + 2, 80);
1127         BIO_printf(bio, "ticket_lifetime_hint=%u\n", tick_life);
1128         if (!ssl_print_hexbuf(bio, indent + 2, "ticket", 2, &msg, &msglen))
1129                 return 0;
1130         if (msglen)
1131                 return 0;
1132         return 1;
1133         }
1134
1135
1136 static int ssl_print_handshake(BIO *bio, SSL *ssl,
1137                                 const unsigned char *msg, size_t msglen,
1138                                 int indent)
1139         {
1140         size_t hlen;
1141         unsigned char htype;
1142         if (msglen < 4)
1143                 return 0;
1144         htype = msg[0];
1145         hlen = (msg[1] << 16) | (msg[2] << 8) | msg[3];
1146         BIO_indent(bio, indent, 80);
1147         BIO_printf(bio, "%s, Length=%d\n",
1148                                 ssl_trace_str(htype, ssl_handshake_tbl),
1149                                 (int)hlen);
1150         msg += 4;
1151         msglen -= 4;
1152         if (SSL_IS_DTLS(ssl))
1153                 {
1154                 if (msglen < 8)
1155                         return 0;
1156                 BIO_indent(bio, indent, 80);
1157                 BIO_printf(bio, "message_seq=%d, fragment_offset=%d, "
1158                                 "fragment_length=%d\n",
1159                                 (msg[0] << 8) | msg[1],
1160                                 (msg[2] << 16) | (msg[3] << 8) | msg[4],
1161                                 (msg[5] << 16) | (msg[6] << 8) | msg[7]);
1162                 msg += 8;
1163                 msglen -= 8;
1164                 }
1165         if (msglen < hlen)
1166                 return 0;
1167         switch(htype)
1168                 {
1169         case SSL3_MT_CLIENT_HELLO:
1170                 if (!ssl_print_client_hello(bio, ssl, indent + 2, msg, msglen))
1171                         return 0;
1172                 break;
1173
1174         case DTLS1_MT_HELLO_VERIFY_REQUEST:
1175                 if (!dtls_print_hello_vfyrequest(bio, indent + 2, msg, msglen))
1176                         return 0;
1177                 break;
1178
1179         case SSL3_MT_SERVER_HELLO:
1180                 if (!ssl_print_server_hello(bio, indent + 2, msg, msglen))
1181                         return 0;
1182                 break;
1183
1184         case SSL3_MT_SERVER_KEY_EXCHANGE:
1185                 if (!ssl_print_server_keyex(bio, indent + 2, ssl, msg, msglen))
1186                         return 0;
1187                 break;
1188
1189         case SSL3_MT_CLIENT_KEY_EXCHANGE:
1190                 if (!ssl_print_client_keyex(bio, indent + 2, ssl, msg, msglen))
1191                         return 0;
1192                 break;
1193
1194         case SSL3_MT_CERTIFICATE:
1195                 if (!ssl_print_certificates(bio, indent + 2,  msg, msglen))
1196                         return 0;
1197                 break;
1198
1199         case SSL3_MT_CERTIFICATE_VERIFY:
1200                 if (!ssl_print_signature(bio, indent + 2, ssl, &msg, &msglen))
1201                         return 0;
1202                 break;
1203
1204         case SSL3_MT_CERTIFICATE_REQUEST:
1205                 if (!ssl_print_cert_request(bio, indent + 2,  ssl, msg, msglen))
1206                         return 0;
1207                 break;
1208
1209         case SSL3_MT_FINISHED:
1210                 ssl_print_hex(bio, indent + 2, "verify_data", msg, msglen);
1211                 break;
1212
1213         case SSL3_MT_SERVER_DONE:
1214                 if (msglen != 0)
1215                         ssl_print_hex(bio, indent + 2, "unexpected value",
1216                                                                 msg, msglen);
1217                 break;
1218
1219         case SSL3_MT_NEWSESSION_TICKET:
1220                 if (!ssl_print_ticket(bio, indent + 2,  msg, msglen))
1221                         return 0;
1222                 break;
1223
1224         default:
1225                 BIO_indent(bio, indent + 2, 80);
1226                 BIO_puts(bio, "Unsupported, hex dump follows:\n");
1227                 BIO_dump_indent(bio, (char *)msg, msglen, indent + 4);
1228                 }
1229         return 1;
1230         }
1231
1232 static int ssl_print_heartbeat(BIO *bio, int indent,
1233                                 const unsigned char *msg, size_t msglen)
1234         {
1235         if (msglen < 3)
1236                 return 0;
1237         BIO_indent(bio, indent, 80);
1238         BIO_printf(bio, "HeartBeatMessageType: %s\n",
1239                                 ssl_trace_str(msg[0], ssl_hb_type_tbl));
1240         msg++;
1241         msglen--;
1242         if (!ssl_print_hexbuf(bio, indent, "payload", 2, &msg, &msglen))
1243                 return 0;
1244         ssl_print_hex(bio, indent, "padding", msg, msglen);
1245         return 1;
1246         }
1247
1248 const char *SSL_CIPHER_standard_name(const SSL_CIPHER *c)
1249         {
1250         if (c->algorithm_ssl & SSL_SSLV2)
1251                 return NULL;
1252         return ssl_trace_str(c->id & 0xFFFF, ssl_ciphers_tbl);
1253         }
1254
1255 void SSL_trace(int write_p, int version, int content_type,
1256                 const void *buf, size_t msglen, SSL *ssl, void *arg)
1257         {
1258         const unsigned char *msg = buf;
1259         BIO *bio = arg;
1260
1261         if (write_p == 2)
1262                 {
1263                 BIO_puts(bio, "Session ");
1264                 ssl_print_hex(bio, 0,
1265                                 ssl_trace_str(content_type, ssl_crypto_tbl),
1266                                 msg, msglen);
1267                 return;
1268                 }
1269         switch (content_type)
1270                 {
1271         case SSL3_RT_HEADER:
1272                 {
1273                 int hvers = msg[1] << 8 | msg[2];
1274                 BIO_puts(bio, write_p ? "Sent" : "Received");
1275                 BIO_printf(bio, " Record\nHeader:\n  Version = %s (0x%x)\n",
1276                                 ssl_trace_str(hvers, ssl_version_tbl), hvers);
1277                 if (SSL_IS_DTLS(ssl))
1278                         {
1279                         BIO_printf(bio,
1280                                 "  epoch=%d, sequence_number=%04x%04x%04x\n",
1281                                         (msg[3] << 8 | msg[4]),
1282                                         (msg[5] << 8 | msg[6]),
1283                                         (msg[7] << 8 | msg[8]),
1284                                         (msg[9] << 8 | msg[10]));
1285 #if 0
1286                         /* Just print handshake type so we can see what is
1287                          * going on during fragmentation.
1288                          */
1289                         BIO_printf(bio, "(%s)\n",
1290                                 ssl_trace_str(msg[msglen], ssl_handshake_tbl));
1291 #endif
1292                         }
1293
1294                 BIO_printf(bio, "  Content Type = %s (%d)\n  Length = %d",
1295                                 ssl_trace_str(msg[0], ssl_content_tbl), msg[0],
1296                                 msg[msglen - 2] << 8 | msg[msglen - 1]);
1297                 }
1298                 break;
1299         case SSL3_RT_HANDSHAKE:
1300                 if (!ssl_print_handshake(bio, ssl, msg, msglen, 4))
1301                         BIO_printf(bio, "Message length parse error!\n");
1302                 break;
1303
1304         case SSL3_RT_CHANGE_CIPHER_SPEC:
1305                 if (msglen == 1 && msg[0] == 1)
1306                         BIO_puts(bio, "    change_cipher_spec (1)\n");
1307                 else
1308                         ssl_print_hex(bio, 4, "unknown value", msg, msglen);
1309                 break;
1310
1311         case SSL3_RT_ALERT:
1312                 if (msglen != 2)
1313                         BIO_puts(bio, "    Illegal Alert Length\n");
1314                 else
1315                         {
1316                         BIO_printf(bio,"    Level=%s(%d), description=%s(%d)\n",
1317                                         SSL_alert_type_string_long(msg[0] << 8),
1318                                         msg[0],
1319                                         SSL_alert_desc_string_long(msg[1]),
1320                                         msg[1]);
1321                         }
1322         case TLS1_RT_HEARTBEAT:
1323                 ssl_print_heartbeat(bio, 4, msg, msglen);
1324                 break;
1325
1326                 }
1327
1328         BIO_puts(bio, "\n");
1329         }
1330
1331 #endif