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         {TLSEXT_TYPE_padding, "padding"}
 370 };
 371
 372 static ssl_trace_tbl ssl_curve_tbl[] = {
 373         {1, "sect163k1 (K-163)"},
 374         {2, "sect163r1"},
 375         {3, "sect163r2 (B-163)"},
 376         {4, "sect193r1"},
 377         {5, "sect193r2"},
 378         {6, "sect233k1 (K-233)"},
 379         {7, "sect233r1 (B-233)"},
 380         {8, "sect239k1"},
 381         {9, "sect283k1 (K-283)"},
 382         {10, "sect283r1 (B-283)"},
 383         {11, "sect409k1 (K-409)"},
 384         {12, "sect409r1 (B-409)"},
 385         {13, "sect571k1 (K-571)"},
 386         {14, "sect571r1 (B-571)"},
 387         {15, "secp160k1"},
 388         {16, "secp160r1"},
 389         {17, "secp160r2"},
 390         {18, "secp192k1"},
 391         {19, "secp192r1 (P-192)"},
 392         {20, "secp224k1"},
 393         {21, "secp224r1 (P-224)"},
 394         {22, "secp256k1"},
 395         {23, "secp256r1 (P-256)"},
 396         {24, "secp384r1 (P-384)"},
 397         {25, "secp521r1 (P-521)"},
 398         {26, "brainpoolP256r1"},
 399         {27, "brainpoolP384r1"},
 400         {28, "brainpoolP512r1"},
 401         {0xFF01, "arbitrary_explicit_prime_curves"},
 402         {0xFF02, "arbitrary_explicit_char2_curves"}
 403 };
 404
 405 static ssl_trace_tbl ssl_point_tbl[] = {
 406         {0, "uncompressed"},
 407         {1, "ansiX962_compressed_prime"},
 408         {2, "ansiX962_compressed_char2"}
 409 };
 410
 411 static ssl_trace_tbl ssl_md_tbl[] = {
 412         {0, "none"},
 413         {1, "md5"},
 414         {2, "sha1"},
 415         {3, "sha224"},
 416         {4, "sha256"},
 417         {5, "sha384"},
 418         {6, "sha512"}
 419 };
 420
 421 static ssl_trace_tbl ssl_sig_tbl[] = {
 422         {0, "anonymous"},
 423         {1, "rsa"},
 424         {2, "dsa"},
 425         {3, "ecdsa"}
 426 };
 427
 428 static ssl_trace_tbl ssl_hb_tbl[] = {
 429         {1, "peer_allowed_to_send"},
 430         {2, "peer_not_allowed_to_send"}
 431 };
 432
 433 static ssl_trace_tbl ssl_hb_type_tbl[] = {
 434         {1, "heartbeat_request"},
 435         {2, "heartbeat_response"}
 436 };
 437
 438 static ssl_trace_tbl ssl_ctype_tbl[] = {
 439         {1, "rsa_sign"},
 440         {2, "dss_sign"},
 441         {3, "rsa_fixed_dh"},
 442         {4, "dss_fixed_dh"},
 443         {5, "rsa_ephemeral_dh"},
 444         {6, "dss_ephemeral_dh"},
 445         {20, "fortezza_dms"},
 446         {64, "ecdsa_sign"},
 447         {65, "rsa_fixed_ecdh"},
 448         {66, "ecdsa_fixed_ecdh"}
 449 };
 450
 451 static ssl_trace_tbl ssl_crypto_tbl[] = {
 452         {TLS1_RT_CRYPTO_PREMASTER,      "Premaster Secret"},
 453         {TLS1_RT_CRYPTO_CLIENT_RANDOM,  "Client Random"},
 454         {TLS1_RT_CRYPTO_SERVER_RANDOM,  "Server Random"},
 455         {TLS1_RT_CRYPTO_MASTER,         "Master Secret"},
 456         {TLS1_RT_CRYPTO_MAC|TLS1_RT_CRYPTO_WRITE,       "Write Mac Secret"},
 457         {TLS1_RT_CRYPTO_MAC|TLS1_RT_CRYPTO_READ,        "Read Mac Secret"},
 458         {TLS1_RT_CRYPTO_KEY|TLS1_RT_CRYPTO_WRITE,       "Write Key"},
 459         {TLS1_RT_CRYPTO_KEY|TLS1_RT_CRYPTO_READ,        "Read Key"},
 460         {TLS1_RT_CRYPTO_IV|TLS1_RT_CRYPTO_WRITE,        "Write IV"},
 461         {TLS1_RT_CRYPTO_IV|TLS1_RT_CRYPTO_READ,         "Read IV"},
 462         {TLS1_RT_CRYPTO_FIXED_IV|TLS1_RT_CRYPTO_WRITE,  "Write IV (fixed part)"},
 463         {TLS1_RT_CRYPTO_FIXED_IV|TLS1_RT_CRYPTO_READ,   "Read IV (fixed part)"}
 464 };
 465
 466 static void ssl_print_hex(BIO *bio, int indent, const char *name,
 467                                 const unsigned char *msg, size_t msglen)
 468         {
 469         size_t i;
 470         BIO_indent(bio, indent, 80);
 471         BIO_printf(bio, "%s (len=%d): ", name, (int)msglen);
 472         for (i = 0; i < msglen; i++)
 473                 BIO_printf(bio, "%02X", msg[i]);
 474         BIO_puts(bio, "\n");
 475         }
 476
 477 static int ssl_print_hexbuf(BIO *bio, int indent,
 478                                 const char *name, size_t nlen,
 479                                 const unsigned char **pmsg, size_t *pmsglen)
 480         {
 481         size_t blen;
 482         const unsigned char *p = *pmsg;
 483         if (*pmsglen < nlen)
 484                 return 0;
 485         blen = p[0];
 486         if (nlen > 1)
 487                 blen = (blen << 8)|p[1];
 488         if (*pmsglen < nlen + blen)
 489                 return 0;
 490         p += nlen;
 491         ssl_print_hex(bio, indent, name, p, blen);
 492         *pmsg += blen + nlen;
 493         *pmsglen -= blen + nlen;
 494         return 1;
 495         }
 496
 497
 498
 499 static int ssl_print_version(BIO *bio, int indent, const char *name,
 500                                 const unsigned char **pmsg, size_t *pmsglen)
 501         {
 502         int vers;
 503         if (*pmsglen < 2)
 504                 return 0;
 505         vers = ((*pmsg)[0] << 8) | (*pmsg)[1];
 506         BIO_indent(bio, indent, 80);
 507         BIO_printf(bio, "%s=0x%x (%s)\n",
 508                                 name, vers,
 509                                 ssl_trace_str(vers, ssl_version_tbl));
 510         *pmsg += 2;
 511         *pmsglen -= 2;
 512         return 1;
 513         }
 514
 515 static int ssl_print_random(BIO *bio, int indent,
 516                                 const unsigned char **pmsg, size_t *pmsglen)
 517         {
 518         unsigned int tm;
 519         const unsigned char *p = *pmsg;
 520         if (*pmsglen < 32)
 521                 return 0;
 522         tm = (p[0] << 24) | (p[1] << 16) | (p[2] << 8) | p[3];
 523         p += 4;
 524         BIO_indent(bio, indent, 80);
 525         BIO_puts(bio, "Random:\n");
 526         BIO_indent(bio, indent + 2, 80);
 527         BIO_printf(bio, "gmt_unix_time=0x%08X\n", tm);
 528         ssl_print_hex(bio, indent + 2, "random_bytes", p, 28);
 529         *pmsg += 32;
 530         *pmsglen -= 32;
 531         return 1;
 532         }
 533
 534 static int ssl_print_signature(BIO *bio, int indent, SSL *s,
 535                                 const unsigned char **pmsg, size_t *pmsglen)
 536         {
 537         if (*pmsglen < 2)
 538                 return 0;
 539         if (SSL_USE_SIGALGS(s))
 540                 {
 541                 const unsigned char *p = *pmsg;
 542                 BIO_indent(bio, indent, 80);
 543                 BIO_printf(bio, "Signature Algorithm %s+%s (%d+%d)\n",
 544                                 ssl_trace_str(p[0], ssl_md_tbl),
 545                                 ssl_trace_str(p[1], ssl_sig_tbl),
 546                                 p[0], p[1]);
 547                 *pmsg += 2;
 548                 *pmsglen -= 2;
 549                 }
 550         return ssl_print_hexbuf(bio, indent, "Signature", 2, pmsg, pmsglen);
 551         }
 552
 553 static int ssl_print_extension(BIO *bio, int indent, int server, int extype,
 554                                 const unsigned char *ext, size_t extlen)
 555         {
 556         size_t xlen;
 557         BIO_indent(bio, indent, 80);
 558         BIO_printf(bio, "extension_type=%s(%d), length=%d\n",
 559                                 ssl_trace_str(extype, ssl_exts_tbl),
 560                                 extype, (int)extlen);
 561         switch(extype)
 562                 {
 563         case TLSEXT_TYPE_ec_point_formats:
 564                 if (extlen < 1)
 565                         return 0;
 566                 xlen = ext[0];
 567                 if (extlen != xlen + 1)
 568                         return 0;
 569                 return ssl_trace_list(bio, indent + 2,
 570                                         ext + 1, xlen, 1, ssl_point_tbl);
 571
 572         case TLSEXT_TYPE_elliptic_curves:
 573                 if (extlen < 2)
 574                         return 0;
 575                 xlen = (ext[0] << 8) | ext[1];
 576                 if (extlen != xlen + 2)
 577                         return 0;
 578                 return ssl_trace_list(bio, indent + 2,
 579                                         ext + 2, xlen, 2, ssl_curve_tbl);
 580
 581         case TLSEXT_TYPE_signature_algorithms:
 582
 583                 if (extlen < 2)
 584                         return 0;
 585                 xlen = (ext[0] << 8) | ext[1];
 586                 if (extlen != xlen + 2)
 587                         return 0;
 588                 if (xlen & 1)
 589                         return 0;
 590                 ext += 2;
 591                 while(xlen > 0)
 592                         {
 593                         BIO_indent(bio, indent + 2, 80);
 594                         BIO_printf(bio, "%s+%s (%d+%d)\n",
 595                                 ssl_trace_str(ext[0], ssl_md_tbl),
 596                                 ssl_trace_str(ext[1], ssl_sig_tbl),
 597                                 ext[0], ext[1]);
 598                         xlen-= 2;
 599                         ext+= 2;
 600                         }
 601                 break;
 602
 603         case TLSEXT_TYPE_renegotiate:
 604                 if (extlen < 1)
 605                         return 0;
 606                 xlen = ext[0];
 607                 if (xlen + 1 != extlen)
 608                         return 0;
 609                 ext++;
 610                 if (xlen)
 611                         {
 612                         if (server)
 613                                 {
 614                                 if (xlen & 1)
 615                                         return 0;
 616                                 xlen >>= 1;
 617                                 }
 618                         ssl_print_hex(bio, indent + 4, "client_verify_data",
 619                                                                 ext, xlen);
 620                         if (server)
 621                                 {
 622                                 ext += xlen;
 623                                 ssl_print_hex(bio, indent + 4,
 624                                                         "server_verify_data",
 625                                                         ext, xlen);
 626                                 }
 627                         }
 628                 else
 629                         {
 630                         BIO_indent(bio, indent + 4, 80);
 631                         BIO_puts(bio, "<EMPTY>\n");
 632                         }
 633                 break;
 634
 635         case TLSEXT_TYPE_heartbeat:
 636                 if (extlen != 1)
 637                         return 0;
 638                 BIO_indent(bio, indent + 2, 80);
 639                 BIO_printf(bio, "HeartbeatMode: %s\n",
 640                                 ssl_trace_str(ext[0], ssl_hb_tbl));
 641                 break;
 642
 643                 case TLSEXT_TYPE_session_ticket:
 644                 if (extlen != 0)
 645                         ssl_print_hex(bio, indent + 4, "ticket", ext, extlen);
 646                 break;
 647
 648         default:
 649                 BIO_dump_indent(bio, (char *)ext, extlen, indent + 2);
 650                 }
 651         return 1;
 652         }
 653
 654 static int ssl_print_extensions(BIO *bio, int indent, int server,
 655                                 const unsigned char *msg, size_t msglen)
 656         {
 657         size_t extslen;
 658         BIO_indent(bio, indent, 80);
 659         if (msglen == 0)
 660                 {
 661                 BIO_puts(bio, "No Extensions\n");
 662                 return 1;
 663                 }
 664         extslen = (msg[0] << 8) | msg[1];
 665         if (extslen != msglen - 2)
 666                 return 0;
 667         msg += 2;
 668         msglen = extslen;
 669         BIO_printf(bio, "extensions, length = %d\n", (int)msglen);
 670         while (msglen > 0)
 671                 {
 672                 int extype;
 673                 size_t extlen;
 674                 if (msglen < 4)
 675                         return 0;
 676                 extype = (msg[0] << 8) | msg[1];
 677                 extlen = (msg[2] << 8) | msg[3];
 678                 if (msglen < extlen + 4)
 679                         return 0;
 680                 msg += 4;
 681                 if (!ssl_print_extension(bio, indent + 2, server,
 682                                                         extype, msg, extlen))
 683                         return 0;
 684                 msg += extlen;
 685                 msglen -= extlen + 4;
 686                 }
 687         return 1;
 688         }
 689
 690 static int ssl_print_client_hello(BIO *bio, SSL *ssl, int indent,
 691                                 const unsigned char *msg, size_t msglen)
 692         {
 693         size_t len;
 694         unsigned int cs;
 695         if (!ssl_print_version(bio, indent, "client_version", &msg, &msglen))
 696                 return 0;
 697         if (!ssl_print_random(bio, indent, &msg, &msglen))
 698                 return 0;
 699         if (!ssl_print_hexbuf(bio, indent, "session_id", 1, &msg, &msglen))
 700                 return 0;
 701         if (SSL_IS_DTLS(ssl))
 702                 {
 703                 if (!ssl_print_hexbuf(bio, indent, "cookie", 1, &msg, &msglen))
 704                         return 0;
 705                 }
 706         if (msglen < 2)
 707                 return 0;
 708         len = (msg[0] << 8) | msg[1];
 709         msg += 2;
 710         msglen -= 2;
 711         BIO_indent(bio, indent, 80);
 712         BIO_printf(bio, "cipher_suites (len=%d)\n", (int)len);
 713         if (msglen < len || len & 1)
 714                 return 0;
 715         while(len > 0)
 716                 {
 717                 cs = (msg[0] << 8) | msg[1];
 718                 BIO_indent(bio, indent + 2, 80);
 719                 BIO_printf(bio, "{0x%02X, 0x%02X} %s\n",
 720                                 msg[0], msg[1],
 721                                 ssl_trace_str(cs, ssl_ciphers_tbl));
 722                 msg += 2;
 723                 msglen -= 2;
 724                 len -= 2;
 725                 }
 726         if (msglen < 1)
 727                 return 0;
 728         len = msg[0];
 729         msg++;
 730         msglen--;
 731         if (msglen < len)
 732                 return 0;
 733         BIO_indent(bio, indent, 80);
 734         BIO_printf(bio, "compression_methods (len=%d)\n", (int)len);
 735         while(len > 0)
 736                 {
 737                 BIO_indent(bio, indent + 2, 80);
 738                 BIO_printf(bio, "%s (0x%02X)\n",
 739                                 ssl_trace_str(msg[0], ssl_comp_tbl),
 740                                 msg[0]);
 741                 msg++;
 742                 msglen--;
 743                 len--;
 744                 }
 745         if (!ssl_print_extensions(bio, indent, 0, msg, msglen))
 746                 return 0;
 747         return 1;
 748         }
 749
 750 static int dtls_print_hello_vfyrequest(BIO *bio, int indent,
 751                                 const unsigned char *msg, size_t msglen)
 752         {
 753         if (!ssl_print_version(bio, indent, "server_version", &msg, &msglen))
 754                 return 0;
 755         if (!ssl_print_hexbuf(bio, indent, "cookie", 1, &msg, &msglen))
 756                 return 0;
 757         return 1;
 758         }
 759
 760 static int ssl_print_server_hello(BIO *bio, int indent,
 761                                 const unsigned char *msg, size_t msglen)
 762         {
 763         unsigned int cs;
 764         if (!ssl_print_version(bio, indent, "server_version", &msg, &msglen))
 765                 return 0;
 766         if (!ssl_print_random(bio, indent, &msg, &msglen))
 767                 return 0;
 768         if (!ssl_print_hexbuf(bio, indent, "session_id", 1, &msg, &msglen))
 769                 return 0;
 770         if (msglen < 2)
 771                 return 0;
 772         cs = (msg[0] << 8) | msg[1];
 773         BIO_indent(bio, indent, 80);
 774         BIO_printf(bio, "cipher_suite {0x%02X, 0x%02X} %s\n",
 775                                 msg[0], msg[1],
 776                                 ssl_trace_str(cs, ssl_ciphers_tbl));
 777         msg += 2;
 778         msglen -= 2;
 779         if (msglen < 1)
 780                 return 0;
 781         BIO_indent(bio, indent, 80);
 782         BIO_printf(bio, "compression_method: %s (0x%02X)\n",
 783                         ssl_trace_str(msg[0], ssl_comp_tbl), msg[0]);
 784         msg++;
 785         msglen--;
 786         if (!ssl_print_extensions(bio, indent, 1, msg, msglen))
 787                 return 0;
 788         return 1;
 789         }
 790
 791 static int ssl_get_keyex(const char **pname, SSL *ssl)
 792         {
 793         unsigned long alg_k = ssl->s3->tmp.new_cipher->algorithm_mkey;
 794         if (alg_k & SSL_kRSA)
 795                 {
 796                 *pname = "rsa";
 797                 return SSL_kRSA;
 798                 }
 799         if (alg_k & SSL_kDHr)
 800                 {
 801                 *pname = "dh_rsa";
 802                 return SSL_kDHr;
 803                 }
 804         if (alg_k & SSL_kDHd)
 805                 {
 806                 *pname = "dh_dss";
 807                 return SSL_kDHd;
 808                 }
 809         if (alg_k & SSL_kKRB5)
 810                 {
 811                 *pname = "krb5";
 812                 return SSL_kKRB5;
 813                 }
 814         if (alg_k & SSL_kDHE)
 815                 {
 816                 *pname = "DHE";
 817                 return SSL_kDHE;
 818                 }
 819         if (alg_k & SSL_kECDHE)
 820                 {
 821                 *pname = "ECDHE";
 822                 return SSL_kECDHE;
 823                 }
 824         if (alg_k & SSL_kECDHr)
 825                 {
 826                 *pname = "ECDH RSA";
 827                 return SSL_kECDHr;
 828                 }
 829         if (alg_k & SSL_kECDHe)
 830                 {
 831                 *pname = "ECDH ECDSA";
 832                 return SSL_kECDHe;
 833                 }
 834         if (alg_k & SSL_kPSK)
 835                 {
 836                 *pname = "PSK";
 837                 return SSL_kPSK;
 838                 }
 839         if (alg_k & SSL_kSRP)
 840                 {
 841                 *pname = "SRP";
 842                 return SSL_kSRP;
 843                 }
 844         if (alg_k & SSL_kGOST)
 845                 {
 846                 *pname = "GOST";
 847                 return SSL_kGOST;
 848                 }
 849         *pname = "UNKNOWN";
 850         return 0;
 851         }
 852
 853 static int ssl_print_client_keyex(BIO *bio, int indent, SSL *ssl,
 854                                 const unsigned char *msg, size_t msglen)
 855         {
 856         const char *algname;
 857         int id;
 858         id = ssl_get_keyex(&algname, ssl);
 859         BIO_indent(bio, indent, 80);
 860         BIO_printf(bio, "KeyExchangeAlgorithm=%s\n", algname);
 861         switch(id)
 862                 {
 863
 864         case SSL_kRSA:
 865                 if (TLS1_get_version(ssl) == SSL3_VERSION)
 866                         {
 867                         ssl_print_hex(bio, indent + 2,
 868                                                 "EncyptedPreMasterSecret",
 869                                                 msg, msglen);
 870                         }
 871                 else
 872                         {
 873                         if (!ssl_print_hexbuf(bio, indent + 2,
 874                                                 "EncyptedPreMasterSecret", 2,
 875                                                 &msg, &msglen))
 876                                 return 0;
 877                         }
 878                 break;
 879
 880                 /* Implicit parameters only allowed for static DH */
 881         case SSL_kDHd:
 882         case SSL_kDHr:
 883                 if (msglen == 0)
 884                         {
 885                         BIO_indent(bio, indent + 2, 80);
 886                         BIO_puts(bio, "implicit\n");
 887                         break;
 888                         }
 889         case SSL_kDHE:
 890                 if (!ssl_print_hexbuf(bio, indent + 2, "dh_Yc", 2,
 891                                                                 &msg, &msglen))
 892                         return 0;
 893                 break;
 894
 895         case SSL_kECDHr:
 896         case SSL_kECDHe:
 897                 if (msglen == 0)
 898                         {
 899                         BIO_indent(bio, indent + 2, 80);
 900                         BIO_puts(bio, "implicit\n");
 901                         break;
 902                         }
 903         case SSL_kECDHE:
 904                 if (!ssl_print_hexbuf(bio, indent + 2, "ecdh_Yc", 1,
 905                                                         &msg, &msglen))
 906                         return 0;
 907                 break;
 908                 }
 909
 910         return 1;
 911         }
 912
 913 static int ssl_print_server_keyex(BIO *bio, int indent, SSL *ssl,
 914                                 const unsigned char *msg, size_t msglen)
 915         {
 916         const char *algname;
 917         int id;
 918         id = ssl_get_keyex(&algname, ssl);
 919         BIO_indent(bio, indent, 80);
 920         BIO_printf(bio, "KeyExchangeAlgorithm=%s\n", algname);
 921         switch(id)
 922                 {
 923                 /* Should never happen */
 924         case SSL_kDHd:
 925         case SSL_kDHr:
 926         case SSL_kECDHr:
 927         case SSL_kECDHe:
 928                 BIO_indent(bio, indent + 2, 80);
 929                 BIO_printf(bio, "Unexpected Message\n");
 930                 break;
 931
 932         case SSL_kRSA:
 933
 934                 if (!ssl_print_hexbuf(bio, indent + 2, "rsa_modulus", 2,
 935                                                 &msg, &msglen))
 936                         return 0;
 937                 if (!ssl_print_hexbuf(bio, indent + 2, "rsa_exponent", 2,
 938                                                 &msg, &msglen))
 939                         return 0;
 940                 break;
 941
 942         case SSL_kDHE:
 943                 if (!ssl_print_hexbuf(bio, indent + 2, "dh_p", 2,
 944                                                 &msg, &msglen))
 945                         return 0;
 946                 if (!ssl_print_hexbuf(bio, indent + 2, "dh_g", 2,
 947                                                 &msg, &msglen))
 948                         return 0;
 949                 if (!ssl_print_hexbuf(bio, indent + 2, "dh_Ys", 2,
 950                                                 &msg, &msglen))
 951                         return 0;
 952                 break;
 953
 954         case SSL_kECDHE:
 955                 if (msglen < 1)
 956                         return 0;
 957                 BIO_indent(bio, indent + 2, 80);
 958                 if (msg[0] == EXPLICIT_PRIME_CURVE_TYPE)
 959                         BIO_puts(bio, "explicit_prime\n");
 960                 else if (msg[0] == EXPLICIT_CHAR2_CURVE_TYPE)
 961                         BIO_puts(bio, "explicit_char2\n");
 962                 else if (msg[0] == NAMED_CURVE_TYPE)
 963                         {
 964                         int curve;
 965                         if (msglen < 3)
 966                                 return 0;
 967                         curve = (msg[1] << 8) | msg[2];
 968                         BIO_printf(bio, "named_curve: %s (%d)\n",
 969                                         ssl_trace_str(curve, ssl_curve_tbl),
 970                                         curve);
 971                         msg += 3;
 972                         msglen -= 3;
 973                         if (!ssl_print_hexbuf(bio, indent + 2, "point", 1,
 974                                                         &msg, &msglen))
 975                                 return 0;
 976                         }
 977                 break;
 978                 }
 979         return ssl_print_signature(bio, indent, ssl, &msg, &msglen);
 980         }
 981
 982 static int ssl_print_certificate(BIO *bio, int indent,
 983                                 const unsigned char **pmsg, size_t *pmsglen)
 984         {
 985         size_t msglen = *pmsglen;
 986         size_t clen;
 987         X509 *x;
 988         const unsigned char *p = *pmsg, *q;
 989         if (msglen < 3)
 990                 return 0;
 991         clen = (p[0] << 16) | (p[1] << 8) | p[2];
 992         if (msglen < clen + 3)
 993                 return 0;
 994         q = p + 3;
 995         BIO_indent(bio, indent, 80);
 996         BIO_printf(bio, "ASN.1Cert, length=%d", (int)clen);
 997         x = d2i_X509(NULL, &q, clen);
 998         if (!x)
 999                 BIO_puts(bio, "<UNPARSEABLE CERTIFICATE>\n");
1000         else
1001                 {
1002                 BIO_puts(bio, "\n------details-----\n");
1003                 X509_print_ex(bio, x, XN_FLAG_ONELINE, 0);
1004                 PEM_write_bio_X509(bio, x);
1005                 /* Print certificate stuff */
1006                 BIO_puts(bio, "------------------\n");
1007                 X509_free(x);
1008                 }
1009         if (q != p + 3 + clen)
1010                 {
1011                 BIO_puts(bio, "<TRAILING GARBAGE AFTER CERTIFICATE>\n");
1012                 }
1013         *pmsg += clen + 3;
1014         *pmsglen -= clen + 3;
1015         return 1;
1016         }
1017
1018 static int ssl_print_certificates(BIO *bio, int indent,
1019                                 const unsigned char *msg, size_t msglen)
1020         {
1021         size_t clen;
1022         if (msglen < 3)
1023                 return 0;
1024         clen = (msg[0] << 16) | (msg[1] << 8) | msg[2];
1025         if (msglen != clen + 3)
1026                 return 0;
1027         msg += 3;
1028         BIO_indent(bio, indent, 80);
1029         BIO_printf(bio, "certificate_list, length=%d\n", (int)clen);
1030         while (clen > 0)
1031                 {
1032                 if (!ssl_print_certificate(bio, indent + 2, &msg, &clen))
1033                         return 0;
1034                 }
1035         return 1;
1036         }
1037
1038 static int ssl_print_cert_request(BIO *bio, int indent, SSL *s,
1039                                 const unsigned char *msg, size_t msglen)
1040         {
1041         size_t xlen;
1042         if (msglen < 1)
1043                 return 0;
1044         xlen = msg[0];
1045         if (msglen < xlen + 1)
1046                 return 0;
1047         msg++;
1048         BIO_indent(bio, indent, 80);
1049         BIO_printf(bio, "certificate_types (len=%d)\n", (int)xlen);
1050         if (!ssl_trace_list(bio, indent + 2, msg, xlen, 1, ssl_ctype_tbl))
1051                 return 0;
1052         msg += xlen;
1053         msglen -= xlen + 1;
1054         if (!SSL_USE_SIGALGS(s))
1055                 goto skip_sig;
1056         if (msglen < 2)
1057                 return 0;
1058         xlen = (msg[0] << 8) | msg[1];
1059         if (msglen < xlen + 2 || (xlen & 1))
1060                 return 0;
1061         msg += 2;
1062         BIO_indent(bio, indent, 80);
1063         BIO_printf(bio, "signature_algorithms (len=%d)\n", (int)xlen);
1064         while(xlen > 0)
1065                 {
1066                 BIO_indent(bio, indent + 2, 80);
1067                 BIO_printf(bio, "%s+%s (%d+%d)\n",
1068                                 ssl_trace_str(msg[0], ssl_md_tbl),
1069                                 ssl_trace_str(msg[1], ssl_sig_tbl),
1070                                 msg[0], msg[1]);
1071                 xlen -= 2;
1072                 msg += 2;
1073                 }
1074         msg += xlen;
1075         msglen -= xlen + 2;
1076
1077         skip_sig:
1078         xlen = (msg[0] << 8) | msg[1];
1079         BIO_indent(bio, indent, 80);
1080         if (msglen < xlen + 2)
1081                 return 0;
1082         msg += 2;
1083         msglen -= 2;
1084         BIO_printf(bio, "certificate_authorities (len=%d)\n", (int)xlen);
1085         while (xlen > 0)
1086                 {
1087                 size_t dlen;
1088                 X509_NAME *nm;
1089                 const unsigned char *p;
1090                 if (xlen < 2)
1091                         return 0;
1092                 dlen = (msg[0] << 8) | msg[1];
1093                 if (xlen < dlen + 2)
1094                         return 0;
1095                 msg += 2;
1096                 BIO_indent(bio, indent + 2, 80);
1097                 BIO_printf(bio, "DistinguishedName (len=%d): ", (int)dlen);
1098                 p = msg;
1099                 nm = d2i_X509_NAME(NULL, &p, dlen);
1100                 if (!nm)
1101                         {
1102                         BIO_puts(bio, "<UNPARSEABLE DN>\n");
1103                         }
1104                 else
1105                         {
1106                         X509_NAME_print_ex(bio, nm, 0, XN_FLAG_ONELINE);
1107                         BIO_puts(bio, "\n");
1108                         X509_NAME_free(nm);
1109                         }
1110                 xlen -= dlen + 2;
1111                 msg += dlen;
1112                 }
1113         return 1;
1114         }
1115
1116 static int ssl_print_ticket(BIO *bio, int indent,
1117                                 const unsigned char *msg, size_t msglen)
1118         {
1119         unsigned int tick_life;
1120         if (msglen == 0)
1121                 {
1122                 BIO_indent(bio, indent + 2, 80);
1123                 BIO_puts(bio, "No Ticket\n");
1124                 return 1;
1125                 }
1126         if (msglen < 4)
1127                 return 0;
1128         tick_life = (msg[0] << 24) | (msg[1] << 16) | (msg[2] << 8) | msg[3];
1129         msglen -= 4;
1130         msg += 4;
1131         BIO_indent(bio, indent + 2, 80);
1132         BIO_printf(bio, "ticket_lifetime_hint=%u\n", tick_life);
1133         if (!ssl_print_hexbuf(bio, indent + 2, "ticket", 2, &msg, &msglen))
1134                 return 0;
1135         if (msglen)
1136                 return 0;
1137         return 1;
1138         }
1139
1140
1141 static int ssl_print_handshake(BIO *bio, SSL *ssl,
1142                                 const unsigned char *msg, size_t msglen,
1143                                 int indent)
1144         {
1145         size_t hlen;
1146         unsigned char htype;
1147         if (msglen < 4)
1148                 return 0;
1149         htype = msg[0];
1150         hlen = (msg[1] << 16) | (msg[2] << 8) | msg[3];
1151         BIO_indent(bio, indent, 80);
1152         BIO_printf(bio, "%s, Length=%d\n",
1153                                 ssl_trace_str(htype, ssl_handshake_tbl),
1154                                 (int)hlen);
1155         msg += 4;
1156         msglen -= 4;
1157         if (SSL_IS_DTLS(ssl))
1158                 {
1159                 if (msglen < 8)
1160                         return 0;
1161                 BIO_indent(bio, indent, 80);
1162                 BIO_printf(bio, "message_seq=%d, fragment_offset=%d, "
1163                                 "fragment_length=%d\n",
1164                                 (msg[0] << 8) | msg[1],
1165                                 (msg[2] << 16) | (msg[3] << 8) | msg[4],
1166                                 (msg[5] << 16) | (msg[6] << 8) | msg[7]);
1167                 msg += 8;
1168                 msglen -= 8;
1169                 }
1170         if (msglen < hlen)
1171                 return 0;
1172         switch(htype)
1173                 {
1174         case SSL3_MT_CLIENT_HELLO:
1175                 if (!ssl_print_client_hello(bio, ssl, indent + 2, msg, msglen))
1176                         return 0;
1177                 break;
1178
1179         case DTLS1_MT_HELLO_VERIFY_REQUEST:
1180                 if (!dtls_print_hello_vfyrequest(bio, indent + 2, msg, msglen))
1181                         return 0;
1182                 break;
1183
1184         case SSL3_MT_SERVER_HELLO:
1185                 if (!ssl_print_server_hello(bio, indent + 2, msg, msglen))
1186                         return 0;
1187                 break;
1188
1189         case SSL3_MT_SERVER_KEY_EXCHANGE:
1190                 if (!ssl_print_server_keyex(bio, indent + 2, ssl, msg, msglen))
1191                         return 0;
1192                 break;
1193
1194         case SSL3_MT_CLIENT_KEY_EXCHANGE:
1195                 if (!ssl_print_client_keyex(bio, indent + 2, ssl, msg, msglen))
1196                         return 0;
1197                 break;
1198
1199         case SSL3_MT_CERTIFICATE:
1200                 if (!ssl_print_certificates(bio, indent + 2,  msg, msglen))
1201                         return 0;
1202                 break;
1203
1204         case SSL3_MT_CERTIFICATE_VERIFY:
1205                 if (!ssl_print_signature(bio, indent + 2, ssl, &msg, &msglen))
1206                         return 0;
1207                 break;
1208
1209         case SSL3_MT_CERTIFICATE_REQUEST:
1210                 if (!ssl_print_cert_request(bio, indent + 2,  ssl, msg, msglen))
1211                         return 0;
1212                 break;
1213
1214         case SSL3_MT_FINISHED:
1215                 ssl_print_hex(bio, indent + 2, "verify_data", msg, msglen);
1216                 break;
1217
1218         case SSL3_MT_SERVER_DONE:
1219                 if (msglen != 0)
1220                         ssl_print_hex(bio, indent + 2, "unexpected value",
1221                                                                 msg, msglen);
1222                 break;
1223
1224         case SSL3_MT_NEWSESSION_TICKET:
1225                 if (!ssl_print_ticket(bio, indent + 2,  msg, msglen))
1226                         return 0;
1227                 break;
1228
1229         default:
1230                 BIO_indent(bio, indent + 2, 80);
1231                 BIO_puts(bio, "Unsupported, hex dump follows:\n");
1232                 BIO_dump_indent(bio, (char *)msg, msglen, indent + 4);
1233                 }
1234         return 1;
1235         }
1236
1237 static int ssl_print_heartbeat(BIO *bio, int indent,
1238                                 const unsigned char *msg, size_t msglen)
1239         {
1240         if (msglen < 3)
1241                 return 0;
1242         BIO_indent(bio, indent, 80);
1243         BIO_printf(bio, "HeartBeatMessageType: %s\n",
1244                                 ssl_trace_str(msg[0], ssl_hb_type_tbl));
1245         msg++;
1246         msglen--;
1247         if (!ssl_print_hexbuf(bio, indent, "payload", 2, &msg, &msglen))
1248                 return 0;
1249         ssl_print_hex(bio, indent, "padding", msg, msglen);
1250         return 1;
1251         }
1252
1253 const char *SSL_CIPHER_standard_name(const SSL_CIPHER *c)
1254         {
1255         if (c->algorithm_ssl & SSL_SSLV2)
1256                 return NULL;
1257         return ssl_trace_str(c->id & 0xFFFF, ssl_ciphers_tbl);
1258         }
1259
1260 void SSL_trace(int write_p, int version, int content_type,
1261                 const void *buf, size_t msglen, SSL *ssl, void *arg)
1262         {
1263         const unsigned char *msg = buf;
1264         BIO *bio = arg;
1265
1266         if (write_p == 2)
1267                 {
1268                 BIO_puts(bio, "Session ");
1269                 ssl_print_hex(bio, 0,
1270                                 ssl_trace_str(content_type, ssl_crypto_tbl),
1271                                 msg, msglen);
1272                 return;
1273                 }
1274         switch (content_type)
1275                 {
1276         case SSL3_RT_HEADER:
1277                 {
1278                 int hvers = msg[1] << 8 | msg[2];
1279                 BIO_puts(bio, write_p ? "Sent" : "Received");
1280                 BIO_printf(bio, " Record\nHeader:\n  Version = %s (0x%x)\n",
1281                                 ssl_trace_str(hvers, ssl_version_tbl), hvers);
1282                 if (SSL_IS_DTLS(ssl))
1283                         {
1284                         BIO_printf(bio,
1285                                 "  epoch=%d, sequence_number=%04x%04x%04x\n",
1286                                         (msg[3] << 8 | msg[4]),
1287                                         (msg[5] << 8 | msg[6]),
1288                                         (msg[7] << 8 | msg[8]),
1289                                         (msg[9] << 8 | msg[10]));
1290 #if 0
1291                         /* Just print handshake type so we can see what is
1292                          * going on during fragmentation.
1293                          */
1294                         BIO_printf(bio, "(%s)\n",
1295                                 ssl_trace_str(msg[msglen], ssl_handshake_tbl));
1296 #endif
1297                         }
1298
1299                 BIO_printf(bio, "  Content Type = %s (%d)\n  Length = %d",
1300                                 ssl_trace_str(msg[0], ssl_content_tbl), msg[0],
1301                                 msg[msglen - 2] << 8 | msg[msglen - 1]);
1302                 }
1303                 break;
1304         case SSL3_RT_HANDSHAKE:
1305                 if (!ssl_print_handshake(bio, ssl, msg, msglen, 4))
1306                         BIO_printf(bio, "Message length parse error!\n");
1307                 break;
1308
1309         case SSL3_RT_CHANGE_CIPHER_SPEC:
1310                 if (msglen == 1 && msg[0] == 1)
1311                         BIO_puts(bio, "    change_cipher_spec (1)\n");
1312                 else
1313                         ssl_print_hex(bio, 4, "unknown value", msg, msglen);
1314                 break;
1315
1316         case SSL3_RT_ALERT:
1317                 if (msglen != 2)
1318                         BIO_puts(bio, "    Illegal Alert Length\n");
1319                 else
1320                         {
1321                         BIO_printf(bio,"    Level=%s(%d), description=%s(%d)\n",
1322                                         SSL_alert_type_string_long(msg[0] << 8),
1323                                         msg[0],
1324                                         SSL_alert_desc_string_long(msg[1]),
1325                                         msg[1]);
1326                         }
1327         case TLS1_RT_HEARTBEAT:
1328                 ssl_print_heartbeat(bio, 4, msg, msglen);
1329                 break;
1330
1331                 }
1332
1333         BIO_puts(bio, "\n");
1334         }
1335
1336 #endif