ssl/t1_trce.c

   1 /* ssl/t1_trce.c */
   2 /*
   3  * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
   4  * project.
   5  */
   6 /* ====================================================================
   7  * Copyright (c) 2012 The OpenSSL Project.  All rights reserved.
   8  *
   9  * Redistribution and use in source and binary forms, with or without
  10  * modification, are permitted provided that the following conditions
  11  * are met:
  12  *
  13  * 1. Redistributions of source code must retain the above copyright
  14  *    notice, this list of conditions and the following disclaimer.
  15  *
  16  * 2. Redistributions in binary form must reproduce the above copyright
  17  *    notice, this list of conditions and the following disclaimer in
  18  *    the documentation and/or other materials provided with the
  19  *    distribution.
  20  *
  21  * 3. All advertising materials mentioning features or use of this
  22  *    software must display the following acknowledgment:
  23  *    "This product includes software developed by the OpenSSL Project
  24  *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
  25  *
  26  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
  27  *    endorse or promote products derived from this software without
  28  *    prior written permission. For written permission, please contact
  29  *    licensing@OpenSSL.org.
  30  *
  31  * 5. Products derived from this software may not be called "OpenSSL"
  32  *    nor may "OpenSSL" appear in their names without prior written
  33  *    permission of the OpenSSL Project.
  34  *
  35  * 6. Redistributions of any form whatsoever must retain the following
  36  *    acknowledgment:
  37  *    "This product includes software developed by the OpenSSL Project
  38  *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
  39  *
  40  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
  41  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  42  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  43  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
  44  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  45  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  46  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  47  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  48  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  49  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  50  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
  51  * OF THE POSSIBILITY OF SUCH DAMAGE.
  52  * ====================================================================
  53  *
  54  */
  55
  56 #include "ssl_locl.h"
  57
  58 #ifndef OPENSSL_NO_SSL_TRACE
  59
  60 /* Packet trace support for OpenSSL */
  61
  62 typedef struct {
  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         if (tbl->num == val)
  79             return tbl->name;
  80     }
  81     return "UNKNOWN";
  82 }
  83
  84 static int do_ssl_trace_list(BIO *bio, int indent,
  85                              const unsigned char *msg, size_t msglen,
  86                              size_t vlen, ssl_trace_tbl *tbl, size_t ntbl)
  87 {
  88     int val;
  89     if (msglen % vlen)
  90         return 0;
  91     while (msglen) {
  92         val = msg[0];
  93         if (vlen == 2)
  94             val = (val << 8) | msg[1];
  95         BIO_indent(bio, indent, 80);
  96         BIO_printf(bio, "%s (%d)\n", do_ssl_trace_str(val, tbl, ntbl), val);
  97         msg += vlen;
  98         msglen -= vlen;
  99     }
 100     return 1;
 101 }
 102
 103 /* Version number */
 104
 105 static ssl_trace_tbl ssl_version_tbl[] = {
 106     {SSL3_VERSION, "SSL 3.0"},
 107     {TLS1_VERSION, "TLS 1.0"},
 108     {TLS1_1_VERSION, "TLS 1.1"},
 109     {TLS1_2_VERSION, "TLS 1.2"},
 110     {DTLS1_VERSION, "DTLS 1.0"},
 111     {DTLS1_2_VERSION, "DTLS 1.2"},
 112     {DTLS1_BAD_VER, "DTLS 1.0 (bad)"}
 113 };
 114
 115 static ssl_trace_tbl ssl_content_tbl[] = {
 116     {SSL3_RT_CHANGE_CIPHER_SPEC, "ChangeCipherSpec"},
 117     {SSL3_RT_ALERT, "Alert"},
 118     {SSL3_RT_HANDSHAKE, "Handshake"},
 119     {SSL3_RT_APPLICATION_DATA, "ApplicationData"},
 120     {TLS1_RT_HEARTBEAT, "HeartBeat"}
 121 };
 122
 123 /* Handshake types */
 124 static ssl_trace_tbl ssl_handshake_tbl[] = {
 125     {SSL3_MT_HELLO_REQUEST, "HelloRequest"},
 126     {SSL3_MT_CLIENT_HELLO, "ClientHello"},
 127     {SSL3_MT_SERVER_HELLO, "ServerHello"},
 128     {DTLS1_MT_HELLO_VERIFY_REQUEST, "HelloVerifyRequest"},
 129     {SSL3_MT_NEWSESSION_TICKET, "NewSessionTicket"},
 130     {SSL3_MT_CERTIFICATE, "Certificate"},
 131     {SSL3_MT_SERVER_KEY_EXCHANGE, "ServerKeyExchange"},
 132     {SSL3_MT_CERTIFICATE_REQUEST, "CertificateRequest"},
 133     {SSL3_MT_CLIENT_KEY_EXCHANGE, "ClientKeyExchange"},
 134     {SSL3_MT_CERTIFICATE_STATUS, "CertificateStatus"},
 135     {SSL3_MT_SERVER_DONE, "ServerHelloDone"},
 136     {SSL3_MT_CERTIFICATE_VERIFY, "CertificateVerify"},
 137     {SSL3_MT_CLIENT_KEY_EXCHANGE, "ClientKeyExchange"},
 138     {SSL3_MT_FINISHED, "Finished"},
 139     {SSL3_MT_CERTIFICATE_STATUS, "CertificateStatus"}
 140 };
 141
 142 /* Cipher suites */
 143 static ssl_trace_tbl ssl_ciphers_tbl[] = {
 144     {0x0000, "SSL_NULL_WITH_NULL_NULL"},
 145     {0x0001, "SSL_RSA_WITH_NULL_MD5"},
 146     {0x0002, "SSL_RSA_WITH_NULL_SHA"},
 147     {0x0003, "SSL_RSA_EXPORT_WITH_RC4_40_MD5"},
 148     {0x0004, "SSL_RSA_WITH_RC4_128_MD5"},
 149     {0x0005, "SSL_RSA_WITH_RC4_128_SHA"},
 150     {0x0006, "SSL_RSA_EXPORT_WITH_RC2_CBC_40_MD5"},
 151     {0x0007, "SSL_RSA_WITH_IDEA_CBC_SHA"},
 152     {0x0008, "SSL_RSA_EXPORT_WITH_DES40_CBC_SHA"},
 153     {0x0009, "SSL_RSA_WITH_DES_CBC_SHA"},
 154     {0x000A, "SSL_RSA_WITH_3DES_EDE_CBC_SHA"},
 155     {0x000B, "SSL_DH_DSS_EXPORT_WITH_DES40_CBC_SHA"},
 156     {0x000C, "SSL_DH_DSS_WITH_DES_CBC_SHA"},
 157     {0x000D, "SSL_DH_DSS_WITH_3DES_EDE_CBC_SHA"},
 158     {0x000E, "SSL_DH_RSA_EXPORT_WITH_DES40_CBC_SHA"},
 159     {0x000F, "SSL_DH_RSA_WITH_DES_CBC_SHA"},
 160     {0x0010, "SSL_DH_RSA_WITH_3DES_EDE_CBC_SHA"},
 161     {0x0011, "SSL_DHE_DSS_EXPORT_WITH_DES40_CBC_SHA"},
 162     {0x0012, "SSL_DHE_DSS_WITH_DES_CBC_SHA"},
 163     {0x0013, "SSL_DHE_DSS_WITH_3DES_EDE_CBC_SHA"},
 164     {0x0014, "SSL_DHE_RSA_EXPORT_WITH_DES40_CBC_SHA"},
 165     {0x0015, "SSL_DHE_RSA_WITH_DES_CBC_SHA"},
 166     {0x0016, "SSL_DHE_RSA_WITH_3DES_EDE_CBC_SHA"},
 167     {0x0017, "SSL_DH_anon_EXPORT_WITH_RC4_40_MD5"},
 168     {0x0018, "SSL_DH_anon_WITH_RC4_128_MD5"},
 169     {0x0019, "SSL_DH_anon_EXPORT_WITH_DES40_CBC_SHA"},
 170     {0x001A, "SSL_DH_anon_WITH_DES_CBC_SHA"},
 171     {0x001B, "SSL_DH_anon_WITH_3DES_EDE_CBC_SHA"},
 172     {0x001D, "SSL_FORTEZZA_KEA_WITH_FORTEZZA_CBC_SHA"},
 173     {0x001E, "SSL_FORTEZZA_KEA_WITH_RC4_128_SHA"},
 174     {0x001F, "TLS_KRB5_WITH_3DES_EDE_CBC_SHA"},
 175     {0x0020, "TLS_KRB5_WITH_RC4_128_SHA"},
 176     {0x0021, "TLS_KRB5_WITH_IDEA_CBC_SHA"},
 177     {0x0022, "TLS_KRB5_WITH_DES_CBC_MD5"},
 178     {0x0023, "TLS_KRB5_WITH_3DES_EDE_CBC_MD5"},
 179     {0x0024, "TLS_KRB5_WITH_RC4_128_MD5"},
 180     {0x0025, "TLS_KRB5_WITH_IDEA_CBC_MD5"},
 181     {0x0026, "TLS_KRB5_EXPORT_WITH_DES_CBC_40_SHA"},
 182     {0x0027, "TLS_KRB5_EXPORT_WITH_RC2_CBC_40_SHA"},
 183     {0x0028, "TLS_KRB5_EXPORT_WITH_RC4_40_SHA"},
 184     {0x0029, "TLS_KRB5_EXPORT_WITH_DES_CBC_40_MD5"},
 185     {0x002A, "TLS_KRB5_EXPORT_WITH_RC2_CBC_40_MD5"},
 186     {0x002B, "TLS_KRB5_EXPORT_WITH_RC4_40_MD5"},
 187     {0x002F, "TLS_RSA_WITH_AES_128_CBC_SHA"},
 188     {0x0030, "TLS_DH_DSS_WITH_AES_128_CBC_SHA"},
 189     {0x0031, "TLS_DH_RSA_WITH_AES_128_CBC_SHA"},
 190     {0x0032, "TLS_DHE_DSS_WITH_AES_128_CBC_SHA"},
 191     {0x0033, "TLS_DHE_RSA_WITH_AES_128_CBC_SHA"},
 192     {0x0034, "TLS_DH_anon_WITH_AES_128_CBC_SHA"},
 193     {0x0035, "TLS_RSA_WITH_AES_256_CBC_SHA"},
 194     {0x0036, "TLS_DH_DSS_WITH_AES_256_CBC_SHA"},
 195     {0x0037, "TLS_DH_RSA_WITH_AES_256_CBC_SHA"},
 196     {0x0038, "TLS_DHE_DSS_WITH_AES_256_CBC_SHA"},
 197     {0x0039, "TLS_DHE_RSA_WITH_AES_256_CBC_SHA"},
 198     {0x003A, "TLS_DH_anon_WITH_AES_256_CBC_SHA"},
 199     {0x003B, "TLS_RSA_WITH_NULL_SHA256"},
 200     {0x003C, "TLS_RSA_WITH_AES_128_CBC_SHA256"},
 201     {0x003D, "TLS_RSA_WITH_AES_256_CBC_SHA256"},
 202     {0x003E, "TLS_DH_DSS_WITH_AES_128_CBC_SHA256"},
 203     {0x003F, "TLS_DH_RSA_WITH_AES_128_CBC_SHA256"},
 204     {0x0040, "TLS_DHE_DSS_WITH_AES_128_CBC_SHA256"},
 205     {0x0041, "TLS_RSA_WITH_CAMELLIA_128_CBC_SHA"},
 206     {0x0042, "TLS_DH_DSS_WITH_CAMELLIA_128_CBC_SHA"},
 207     {0x0043, "TLS_DH_RSA_WITH_CAMELLIA_128_CBC_SHA"},
 208     {0x0044, "TLS_DHE_DSS_WITH_CAMELLIA_128_CBC_SHA"},
 209     {0x0045, "TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA"},
 210     {0x0046, "TLS_DH_anon_WITH_CAMELLIA_128_CBC_SHA"},
 211     {0x0067, "TLS_DHE_RSA_WITH_AES_128_CBC_SHA256"},
 212     {0x0068, "TLS_DH_DSS_WITH_AES_256_CBC_SHA256"},
 213     {0x0069, "TLS_DH_RSA_WITH_AES_256_CBC_SHA256"},
 214     {0x006A, "TLS_DHE_DSS_WITH_AES_256_CBC_SHA256"},
 215     {0x006B, "TLS_DHE_RSA_WITH_AES_256_CBC_SHA256"},
 216     {0x006C, "TLS_DH_anon_WITH_AES_128_CBC_SHA256"},
 217     {0x006D, "TLS_DH_anon_WITH_AES_256_CBC_SHA256"},
 218     {0x0084, "TLS_RSA_WITH_CAMELLIA_256_CBC_SHA"},
 219     {0x0085, "TLS_DH_DSS_WITH_CAMELLIA_256_CBC_SHA"},
 220     {0x0086, "TLS_DH_RSA_WITH_CAMELLIA_256_CBC_SHA"},
 221     {0x0087, "TLS_DHE_DSS_WITH_CAMELLIA_256_CBC_SHA"},
 222     {0x0088, "TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA"},
 223     {0x0089, "TLS_DH_anon_WITH_CAMELLIA_256_CBC_SHA"},
 224     {0x008A, "TLS_PSK_WITH_RC4_128_SHA"},
 225     {0x008B, "TLS_PSK_WITH_3DES_EDE_CBC_SHA"},
 226     {0x008C, "TLS_PSK_WITH_AES_128_CBC_SHA"},
 227     {0x008D, "TLS_PSK_WITH_AES_256_CBC_SHA"},
 228     {0x008E, "TLS_DHE_PSK_WITH_RC4_128_SHA"},
 229     {0x008F, "TLS_DHE_PSK_WITH_3DES_EDE_CBC_SHA"},
 230     {0x0090, "TLS_DHE_PSK_WITH_AES_128_CBC_SHA"},
 231     {0x0091, "TLS_DHE_PSK_WITH_AES_256_CBC_SHA"},
 232     {0x0092, "TLS_RSA_PSK_WITH_RC4_128_SHA"},
 233     {0x0093, "TLS_RSA_PSK_WITH_3DES_EDE_CBC_SHA"},
 234     {0x0094, "TLS_RSA_PSK_WITH_AES_128_CBC_SHA"},
 235     {0x0095, "TLS_RSA_PSK_WITH_AES_256_CBC_SHA"},
 236     {0x0096, "TLS_RSA_WITH_SEED_CBC_SHA"},
 237     {0x0097, "TLS_DH_DSS_WITH_SEED_CBC_SHA"},
 238     {0x0098, "TLS_DH_RSA_WITH_SEED_CBC_SHA"},
 239     {0x0099, "TLS_DHE_DSS_WITH_SEED_CBC_SHA"},
 240     {0x009A, "TLS_DHE_RSA_WITH_SEED_CBC_SHA"},
 241     {0x009B, "TLS_DH_anon_WITH_SEED_CBC_SHA"},
 242     {0x009C, "TLS_RSA_WITH_AES_128_GCM_SHA256"},
 243     {0x009D, "TLS_RSA_WITH_AES_256_GCM_SHA384"},
 244     {0x009E, "TLS_DHE_RSA_WITH_AES_128_GCM_SHA256"},
 245     {0x009F, "TLS_DHE_RSA_WITH_AES_256_GCM_SHA384"},
 246     {0x00A0, "TLS_DH_RSA_WITH_AES_128_GCM_SHA256"},
 247     {0x00A1, "TLS_DH_RSA_WITH_AES_256_GCM_SHA384"},
 248     {0x00A2, "TLS_DHE_DSS_WITH_AES_128_GCM_SHA256"},
 249     {0x00A3, "TLS_DHE_DSS_WITH_AES_256_GCM_SHA384"},
 250     {0x00A4, "TLS_DH_DSS_WITH_AES_128_GCM_SHA256"},
 251     {0x00A5, "TLS_DH_DSS_WITH_AES_256_GCM_SHA384"},
 252     {0x00A6, "TLS_DH_anon_WITH_AES_128_GCM_SHA256"},
 253     {0x00A7, "TLS_DH_anon_WITH_AES_256_GCM_SHA384"},
 254     {0x00A8, "TLS_PSK_WITH_AES_128_GCM_SHA256"},
 255     {0x00A9, "TLS_PSK_WITH_AES_256_GCM_SHA384"},
 256     {0x00AA, "TLS_DHE_PSK_WITH_AES_128_GCM_SHA256"},
 257     {0x00AB, "TLS_DHE_PSK_WITH_AES_256_GCM_SHA384"},
 258     {0x00AC, "TLS_RSA_PSK_WITH_AES_128_GCM_SHA256"},
 259     {0x00AD, "TLS_RSA_PSK_WITH_AES_256_GCM_SHA384"},
 260     {0x00AE, "TLS_PSK_WITH_AES_128_CBC_SHA256"},
 261     {0x00AF, "TLS_PSK_WITH_AES_256_CBC_SHA384"},
 262     {0x00B0, "TLS_PSK_WITH_NULL_SHA256"},
 263     {0x00B1, "TLS_PSK_WITH_NULL_SHA384"},
 264     {0x00B2, "TLS_DHE_PSK_WITH_AES_128_CBC_SHA256"},
 265     {0x00B3, "TLS_DHE_PSK_WITH_AES_256_CBC_SHA384"},
 266     {0x00B4, "TLS_DHE_PSK_WITH_NULL_SHA256"},
 267     {0x00B5, "TLS_DHE_PSK_WITH_NULL_SHA384"},
 268     {0x00B6, "TLS_RSA_PSK_WITH_AES_128_CBC_SHA256"},
 269     {0x00B7, "TLS_RSA_PSK_WITH_AES_256_CBC_SHA384"},
 270     {0x00B8, "TLS_RSA_PSK_WITH_NULL_SHA256"},
 271     {0x00B9, "TLS_RSA_PSK_WITH_NULL_SHA384"},
 272     {0x00BA, "TLS_RSA_WITH_CAMELLIA_128_CBC_SHA256"},
 273     {0x00BB, "TLS_DH_DSS_WITH_CAMELLIA_128_CBC_SHA256"},
 274     {0x00BC, "TLS_DH_RSA_WITH_CAMELLIA_128_CBC_SHA256"},
 275     {0x00BD, "TLS_DHE_DSS_WITH_CAMELLIA_128_CBC_SHA256"},
 276     {0x00BE, "TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA256"},
 277     {0x00BF, "TLS_DH_anon_WITH_CAMELLIA_128_CBC_SHA256"},
 278     {0x00C0, "TLS_RSA_WITH_CAMELLIA_256_CBC_SHA256"},
 279     {0x00C1, "TLS_DH_DSS_WITH_CAMELLIA_256_CBC_SHA256"},
 280     {0x00C2, "TLS_DH_RSA_WITH_CAMELLIA_256_CBC_SHA256"},
 281     {0x00C3, "TLS_DHE_DSS_WITH_CAMELLIA_256_CBC_SHA256"},
 282     {0x00C4, "TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA256"},
 283     {0x00C5, "TLS_DH_anon_WITH_CAMELLIA_256_CBC_SHA256"},
 284     {0x00FF, "TLS_EMPTY_RENEGOTIATION_INFO_SCSV"},
 285     {0xC001, "TLS_ECDH_ECDSA_WITH_NULL_SHA"},
 286     {0xC002, "TLS_ECDH_ECDSA_WITH_RC4_128_SHA"},
 287     {0xC003, "TLS_ECDH_ECDSA_WITH_3DES_EDE_CBC_SHA"},
 288     {0xC004, "TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA"},
 289     {0xC005, "TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA"},
 290     {0xC006, "TLS_ECDHE_ECDSA_WITH_NULL_SHA"},
 291     {0xC007, "TLS_ECDHE_ECDSA_WITH_RC4_128_SHA"},
 292     {0xC008, "TLS_ECDHE_ECDSA_WITH_3DES_EDE_CBC_SHA"},
 293     {0xC009, "TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA"},
 294     {0xC00A, "TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA"},
 295     {0xC00B, "TLS_ECDH_RSA_WITH_NULL_SHA"},
 296     {0xC00C, "TLS_ECDH_RSA_WITH_RC4_128_SHA"},
 297     {0xC00D, "TLS_ECDH_RSA_WITH_3DES_EDE_CBC_SHA"},
 298     {0xC00E, "TLS_ECDH_RSA_WITH_AES_128_CBC_SHA"},
 299     {0xC00F, "TLS_ECDH_RSA_WITH_AES_256_CBC_SHA"},
 300     {0xC010, "TLS_ECDHE_RSA_WITH_NULL_SHA"},
 301     {0xC011, "TLS_ECDHE_RSA_WITH_RC4_128_SHA"},
 302     {0xC012, "TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA"},
 303     {0xC013, "TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA"},
 304     {0xC014, "TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA"},
 305     {0xC015, "TLS_ECDH_anon_WITH_NULL_SHA"},
 306     {0xC016, "TLS_ECDH_anon_WITH_RC4_128_SHA"},
 307     {0xC017, "TLS_ECDH_anon_WITH_3DES_EDE_CBC_SHA"},
 308     {0xC018, "TLS_ECDH_anon_WITH_AES_128_CBC_SHA"},
 309     {0xC019, "TLS_ECDH_anon_WITH_AES_256_CBC_SHA"},
 310     {0xC01A, "TLS_SRP_SHA_WITH_3DES_EDE_CBC_SHA"},
 311     {0xC01B, "TLS_SRP_SHA_RSA_WITH_3DES_EDE_CBC_SHA"},
 312     {0xC01C, "TLS_SRP_SHA_DSS_WITH_3DES_EDE_CBC_SHA"},
 313     {0xC01D, "TLS_SRP_SHA_WITH_AES_128_CBC_SHA"},
 314     {0xC01E, "TLS_SRP_SHA_RSA_WITH_AES_128_CBC_SHA"},
 315     {0xC01F, "TLS_SRP_SHA_DSS_WITH_AES_128_CBC_SHA"},
 316     {0xC020, "TLS_SRP_SHA_WITH_AES_256_CBC_SHA"},
 317     {0xC021, "TLS_SRP_SHA_RSA_WITH_AES_256_CBC_SHA"},
 318     {0xC022, "TLS_SRP_SHA_DSS_WITH_AES_256_CBC_SHA"},
 319     {0xC023, "TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256"},
 320     {0xC024, "TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384"},
 321     {0xC025, "TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA256"},
 322     {0xC026, "TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA384"},
 323     {0xC027, "TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256"},
 324     {0xC028, "TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384"},
 325     {0xC029, "TLS_ECDH_RSA_WITH_AES_128_CBC_SHA256"},
 326     {0xC02A, "TLS_ECDH_RSA_WITH_AES_256_CBC_SHA384"},
 327     {0xC02B, "TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256"},
 328     {0xC02C, "TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384"},
 329     {0xC02D, "TLS_ECDH_ECDSA_WITH_AES_128_GCM_SHA256"},
 330     {0xC02E, "TLS_ECDH_ECDSA_WITH_AES_256_GCM_SHA384"},
 331     {0xC02F, "TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256"},
 332     {0xC030, "TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384"},
 333     {0xC031, "TLS_ECDH_RSA_WITH_AES_128_GCM_SHA256"},
 334     {0xC032, "TLS_ECDH_RSA_WITH_AES_256_GCM_SHA384"},
 335     {0xFEFE, "SSL_RSA_FIPS_WITH_DES_CBC_SHA"},
 336     {0xFEFF, "SSL_RSA_FIPS_WITH_3DES_EDE_CBC_SHA"},
 337 };
 338
 339 /* Compression methods */
 340 static ssl_trace_tbl ssl_comp_tbl[] = {
 341     {0x0000, "No Compression"},
 342     {0x0001, "Zlib Compression"}
 343 };
 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     {TLSEXT_TYPE_renegotiate, "renegotiate"},
 365     {TLSEXT_TYPE_next_proto_neg, "next_proto_neg"},
 366     {TLSEXT_TYPE_padding, "padding"},
 367     {TLSEXT_TYPE_extended_master_secret, "extended_master_secret"}
 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     {26, "brainpoolP256r1"},
 397     {27, "brainpoolP384r1"},
 398     {28, "brainpoolP512r1"},
 399     {0xFF01, "arbitrary_explicit_prime_curves"},
 400     {0xFF02, "arbitrary_explicit_char2_curves"}
 401 };
 402
 403 static ssl_trace_tbl ssl_point_tbl[] = {
 404     {0, "uncompressed"},
 405     {1, "ansiX962_compressed_prime"},
 406     {2, "ansiX962_compressed_char2"}
 407 };
 408
 409 static ssl_trace_tbl ssl_md_tbl[] = {
 410     {0, "none"},
 411     {1, "md5"},
 412     {2, "sha1"},
 413     {3, "sha224"},
 414     {4, "sha256"},
 415     {5, "sha384"},
 416     {6, "sha512"}
 417 };
 418
 419 static ssl_trace_tbl ssl_sig_tbl[] = {
 420     {0, "anonymous"},
 421     {1, "rsa"},
 422     {2, "dsa"},
 423     {3, "ecdsa"}
 424 };
 425
 426 static ssl_trace_tbl ssl_hb_tbl[] = {
 427     {1, "peer_allowed_to_send"},
 428     {2, "peer_not_allowed_to_send"}
 429 };
 430
 431 static ssl_trace_tbl ssl_hb_type_tbl[] = {
 432     {1, "heartbeat_request"},
 433     {2, "heartbeat_response"}
 434 };
 435
 436 static ssl_trace_tbl ssl_ctype_tbl[] = {
 437     {1, "rsa_sign"},
 438     {2, "dss_sign"},
 439     {3, "rsa_fixed_dh"},
 440     {4, "dss_fixed_dh"},
 441     {5, "rsa_ephemeral_dh"},
 442     {6, "dss_ephemeral_dh"},
 443     {20, "fortezza_dms"},
 444     {64, "ecdsa_sign"},
 445     {65, "rsa_fixed_ecdh"},
 446     {66, "ecdsa_fixed_ecdh"}
 447 };
 448
 449 static ssl_trace_tbl ssl_crypto_tbl[] = {
 450     {TLS1_RT_CRYPTO_PREMASTER, "Premaster Secret"},
 451     {TLS1_RT_CRYPTO_CLIENT_RANDOM, "Client Random"},
 452     {TLS1_RT_CRYPTO_SERVER_RANDOM, "Server Random"},
 453     {TLS1_RT_CRYPTO_MASTER, "Master Secret"},
 454     {TLS1_RT_CRYPTO_MAC | TLS1_RT_CRYPTO_WRITE, "Write Mac Secret"},
 455     {TLS1_RT_CRYPTO_MAC | TLS1_RT_CRYPTO_READ, "Read Mac Secret"},
 456     {TLS1_RT_CRYPTO_KEY | TLS1_RT_CRYPTO_WRITE, "Write Key"},
 457     {TLS1_RT_CRYPTO_KEY | TLS1_RT_CRYPTO_READ, "Read Key"},
 458     {TLS1_RT_CRYPTO_IV | TLS1_RT_CRYPTO_WRITE, "Write IV"},
 459     {TLS1_RT_CRYPTO_IV | TLS1_RT_CRYPTO_READ, "Read IV"},
 460     {TLS1_RT_CRYPTO_FIXED_IV | TLS1_RT_CRYPTO_WRITE, "Write IV (fixed part)"},
 461     {TLS1_RT_CRYPTO_FIXED_IV | TLS1_RT_CRYPTO_READ, "Read IV (fixed part)"}
 462 };
 463
 464 static void ssl_print_hex(BIO *bio, int indent, const char *name,
 465                           const unsigned char *msg, size_t msglen)
 466 {
 467     size_t i;
 468     BIO_indent(bio, indent, 80);
 469     BIO_printf(bio, "%s (len=%d): ", name, (int)msglen);
 470     for (i = 0; i < msglen; i++)
 471         BIO_printf(bio, "%02X", msg[i]);
 472     BIO_puts(bio, "\n");
 473 }
 474
 475 static int ssl_print_hexbuf(BIO *bio, int indent,
 476                             const char *name, size_t nlen,
 477                             const unsigned char **pmsg, size_t *pmsglen)
 478 {
 479     size_t blen;
 480     const unsigned char *p = *pmsg;
 481     if (*pmsglen < nlen)
 482         return 0;
 483     blen = p[0];
 484     if (nlen > 1)
 485         blen = (blen << 8) | p[1];
 486     if (*pmsglen < nlen + blen)
 487         return 0;
 488     p += nlen;
 489     ssl_print_hex(bio, indent, name, p, blen);
 490     *pmsg += blen + nlen;
 491     *pmsglen -= blen + nlen;
 492     return 1;
 493 }
 494
 495 static int ssl_print_version(BIO *bio, int indent, const char *name,
 496                              const unsigned char **pmsg, size_t *pmsglen)
 497 {
 498     int vers;
 499     if (*pmsglen < 2)
 500         return 0;
 501     vers = ((*pmsg)[0] << 8) | (*pmsg)[1];
 502     BIO_indent(bio, indent, 80);
 503     BIO_printf(bio, "%s=0x%x (%s)\n",
 504                name, vers, 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 (SSL_USE_SIGALGS(s)) {
 535         const unsigned char *p = *pmsg;
 536         BIO_indent(bio, indent, 80);
 537         BIO_printf(bio, "Signature Algorithm %s+%s (%d+%d)\n",
 538                    ssl_trace_str(p[0], ssl_md_tbl),
 539                    ssl_trace_str(p[1], ssl_sig_tbl), p[0], p[1]);
 540         *pmsg += 2;
 541         *pmsglen -= 2;
 542     }
 543     return ssl_print_hexbuf(bio, indent, "Signature", 2, pmsg, pmsglen);
 544 }
 545
 546 static int ssl_print_extension(BIO *bio, int indent, int server, int extype,
 547                                const unsigned char *ext, size_t extlen)
 548 {
 549     size_t xlen;
 550     BIO_indent(bio, indent, 80);
 551     BIO_printf(bio, "extension_type=%s(%d), length=%d\n",
 552                ssl_trace_str(extype, ssl_exts_tbl), extype, (int)extlen);
 553     switch (extype) {
 554     case TLSEXT_TYPE_ec_point_formats:
 555         if (extlen < 1)
 556             return 0;
 557         xlen = ext[0];
 558         if (extlen != xlen + 1)
 559             return 0;
 560         return ssl_trace_list(bio, indent + 2,
 561                               ext + 1, xlen, 1, ssl_point_tbl);
 562
 563     case TLSEXT_TYPE_elliptic_curves:
 564         if (extlen < 2)
 565             return 0;
 566         xlen = (ext[0] << 8) | ext[1];
 567         if (extlen != xlen + 2)
 568             return 0;
 569         return ssl_trace_list(bio, indent + 2,
 570                               ext + 2, xlen, 2, ssl_curve_tbl);
 571
 572     case TLSEXT_TYPE_signature_algorithms:
 573
 574         if (extlen < 2)
 575             return 0;
 576         xlen = (ext[0] << 8) | ext[1];
 577         if (extlen != xlen + 2)
 578             return 0;
 579         if (xlen & 1)
 580             return 0;
 581         ext += 2;
 582         while (xlen > 0) {
 583             BIO_indent(bio, indent + 2, 80);
 584             BIO_printf(bio, "%s+%s (%d+%d)\n",
 585                        ssl_trace_str(ext[0], ssl_md_tbl),
 586                        ssl_trace_str(ext[1], ssl_sig_tbl), ext[0], ext[1]);
 587             xlen -= 2;
 588             ext += 2;
 589         }
 590         break;
 591
 592     case TLSEXT_TYPE_renegotiate:
 593         if (extlen < 1)
 594             return 0;
 595         xlen = ext[0];
 596         if (xlen + 1 != extlen)
 597             return 0;
 598         ext++;
 599         if (xlen) {
 600             if (server) {
 601                 if (xlen & 1)
 602                     return 0;
 603                 xlen >>= 1;
 604             }
 605             ssl_print_hex(bio, indent + 4, "client_verify_data", ext, xlen);
 606             if (server) {
 607                 ext += xlen;
 608                 ssl_print_hex(bio, indent + 4,
 609                               "server_verify_data", ext, xlen);
 610             }
 611         } else {
 612             BIO_indent(bio, indent + 4, 80);
 613             BIO_puts(bio, "<EMPTY>\n");
 614         }
 615         break;
 616
 617     case TLSEXT_TYPE_heartbeat:
 618         if (extlen != 1)
 619             return 0;
 620         BIO_indent(bio, indent + 2, 80);
 621         BIO_printf(bio, "HeartbeatMode: %s\n",
 622                    ssl_trace_str(ext[0], ssl_hb_tbl));
 623         break;
 624
 625     case TLSEXT_TYPE_session_ticket:
 626         if (extlen != 0)
 627             ssl_print_hex(bio, indent + 4, "ticket", ext, extlen);
 628         break;
 629
 630     default:
 631         BIO_dump_indent(bio, (char *)ext, extlen, indent + 2);
 632     }
 633     return 1;
 634 }
 635
 636 static int ssl_print_extensions(BIO *bio, int indent, int server,
 637                                 const unsigned char *msg, size_t msglen)
 638 {
 639     size_t extslen;
 640     BIO_indent(bio, indent, 80);
 641     if (msglen == 0) {
 642         BIO_puts(bio, "No Extensions\n");
 643         return 1;
 644     }
 645     extslen = (msg[0] << 8) | msg[1];
 646     if (extslen != msglen - 2)
 647         return 0;
 648     msg += 2;
 649     msglen = extslen;
 650     BIO_printf(bio, "extensions, length = %d\n", (int)msglen);
 651     while (msglen > 0) {
 652         int extype;
 653         size_t extlen;
 654         if (msglen < 4)
 655             return 0;
 656         extype = (msg[0] << 8) | msg[1];
 657         extlen = (msg[2] << 8) | msg[3];
 658         if (msglen < extlen + 4)
 659             return 0;
 660         msg += 4;
 661         if (!ssl_print_extension(bio, indent + 2, server,
 662                                  extype, msg, extlen))
 663             return 0;
 664         msg += extlen;
 665         msglen -= extlen + 4;
 666     }
 667     return 1;
 668 }
 669
 670 static int ssl_print_client_hello(BIO *bio, SSL *ssl, int indent,
 671                                   const unsigned char *msg, size_t msglen)
 672 {
 673     size_t len;
 674     unsigned int cs;
 675     if (!ssl_print_version(bio, indent, "client_version", &msg, &msglen))
 676         return 0;
 677     if (!ssl_print_random(bio, indent, &msg, &msglen))
 678         return 0;
 679     if (!ssl_print_hexbuf(bio, indent, "session_id", 1, &msg, &msglen))
 680         return 0;
 681     if (SSL_IS_DTLS(ssl)) {
 682         if (!ssl_print_hexbuf(bio, indent, "cookie", 1, &msg, &msglen))
 683             return 0;
 684     }
 685     if (msglen < 2)
 686         return 0;
 687     len = (msg[0] << 8) | msg[1];
 688     msg += 2;
 689     msglen -= 2;
 690     BIO_indent(bio, indent, 80);
 691     BIO_printf(bio, "cipher_suites (len=%d)\n", (int)len);
 692     if (msglen < len || len & 1)
 693         return 0;
 694     while (len > 0) {
 695         cs = (msg[0] << 8) | msg[1];
 696         BIO_indent(bio, indent + 2, 80);
 697         BIO_printf(bio, "{0x%02X, 0x%02X} %s\n",
 698                    msg[0], msg[1], ssl_trace_str(cs, ssl_ciphers_tbl));
 699         msg += 2;
 700         msglen -= 2;
 701         len -= 2;
 702     }
 703     if (msglen < 1)
 704         return 0;
 705     len = msg[0];
 706     msg++;
 707     msglen--;
 708     if (msglen < len)
 709         return 0;
 710     BIO_indent(bio, indent, 80);
 711     BIO_printf(bio, "compression_methods (len=%d)\n", (int)len);
 712     while (len > 0) {
 713         BIO_indent(bio, indent + 2, 80);
 714         BIO_printf(bio, "%s (0x%02X)\n",
 715                    ssl_trace_str(msg[0], ssl_comp_tbl), msg[0]);
 716         msg++;
 717         msglen--;
 718         len--;
 719     }
 720     if (!ssl_print_extensions(bio, indent, 0, msg, msglen))
 721         return 0;
 722     return 1;
 723 }
 724
 725 static int dtls_print_hello_vfyrequest(BIO *bio, int indent,
 726                                        const unsigned char *msg,
 727                                        size_t msglen)
 728 {
 729     if (!ssl_print_version(bio, indent, "server_version", &msg, &msglen))
 730         return 0;
 731     if (!ssl_print_hexbuf(bio, indent, "cookie", 1, &msg, &msglen))
 732         return 0;
 733     return 1;
 734 }
 735
 736 static int ssl_print_server_hello(BIO *bio, int indent,
 737                                   const unsigned char *msg, size_t msglen)
 738 {
 739     unsigned int cs;
 740     if (!ssl_print_version(bio, indent, "server_version", &msg, &msglen))
 741         return 0;
 742     if (!ssl_print_random(bio, indent, &msg, &msglen))
 743         return 0;
 744     if (!ssl_print_hexbuf(bio, indent, "session_id", 1, &msg, &msglen))
 745         return 0;
 746     if (msglen < 2)
 747         return 0;
 748     cs = (msg[0] << 8) | msg[1];
 749     BIO_indent(bio, indent, 80);
 750     BIO_printf(bio, "cipher_suite {0x%02X, 0x%02X} %s\n",
 751                msg[0], msg[1], ssl_trace_str(cs, ssl_ciphers_tbl));
 752     msg += 2;
 753     msglen -= 2;
 754     if (msglen < 1)
 755         return 0;
 756     BIO_indent(bio, indent, 80);
 757     BIO_printf(bio, "compression_method: %s (0x%02X)\n",
 758                ssl_trace_str(msg[0], ssl_comp_tbl), msg[0]);
 759     msg++;
 760     msglen--;
 761     if (!ssl_print_extensions(bio, indent, 1, msg, msglen))
 762         return 0;
 763     return 1;
 764 }
 765
 766 static int ssl_get_keyex(const char **pname, SSL *ssl)
 767 {
 768     unsigned long alg_k = ssl->s3->tmp.new_cipher->algorithm_mkey;
 769     if (alg_k & SSL_kRSA) {
 770         *pname = "rsa";
 771         return SSL_kRSA;
 772     }
 773     if (alg_k & SSL_kDHr) {
 774         *pname = "dh_rsa";
 775         return SSL_kDHr;
 776     }
 777     if (alg_k & SSL_kDHd) {
 778         *pname = "dh_dss";
 779         return SSL_kDHd;
 780     }
 781     if (alg_k & SSL_kKRB5) {
 782         *pname = "krb5";
 783         return SSL_kKRB5;
 784     }
 785     if (alg_k & SSL_kDHE) {
 786         *pname = "DHE";
 787         return SSL_kDHE;
 788     }
 789     if (alg_k & SSL_kECDHE) {
 790         *pname = "ECDHE";
 791         return SSL_kECDHE;
 792     }
 793     if (alg_k & SSL_kECDHr) {
 794         *pname = "ECDH RSA";
 795         return SSL_kECDHr;
 796     }
 797     if (alg_k & SSL_kECDHe) {
 798         *pname = "ECDH ECDSA";
 799         return SSL_kECDHe;
 800     }
 801     if (alg_k & SSL_kPSK) {
 802         *pname = "PSK";
 803         return SSL_kPSK;
 804     }
 805     if (alg_k & SSL_kSRP) {
 806         *pname = "SRP";
 807         return SSL_kSRP;
 808     }
 809     if (alg_k & SSL_kGOST) {
 810         *pname = "GOST";
 811         return SSL_kGOST;
 812     }
 813     *pname = "UNKNOWN";
 814     return 0;
 815 }
 816
 817 static int ssl_print_client_keyex(BIO *bio, int indent, SSL *ssl,
 818                                   const unsigned char *msg, size_t msglen)
 819 {
 820     const char *algname;
 821     int id;
 822     id = ssl_get_keyex(&algname, ssl);
 823     BIO_indent(bio, indent, 80);
 824     BIO_printf(bio, "KeyExchangeAlgorithm=%s\n", algname);
 825     switch (id) {
 826
 827     case SSL_kRSA:
 828         if (TLS1_get_version(ssl) == SSL3_VERSION) {
 829             ssl_print_hex(bio, indent + 2,
 830                           "EncyptedPreMasterSecret", msg, msglen);
 831         } else {
 832             if (!ssl_print_hexbuf(bio, indent + 2,
 833                                   "EncyptedPreMasterSecret", 2,
 834                                   &msg, &msglen))
 835                 return 0;
 836         }
 837         break;
 838
 839         /* Implicit parameters only allowed for static DH */
 840     case SSL_kDHd:
 841     case SSL_kDHr:
 842         if (msglen == 0) {
 843             BIO_indent(bio, indent + 2, 80);
 844             BIO_puts(bio, "implicit\n");
 845             break;
 846         }
 847     case SSL_kDHE:
 848         if (!ssl_print_hexbuf(bio, indent + 2, "dh_Yc", 2, &msg, &msglen))
 849             return 0;
 850         break;
 851
 852     case SSL_kECDHr:
 853     case SSL_kECDHe:
 854         if (msglen == 0) {
 855             BIO_indent(bio, indent + 2, 80);
 856             BIO_puts(bio, "implicit\n");
 857             break;
 858         }
 859     case SSL_kECDHE:
 860         if (!ssl_print_hexbuf(bio, indent + 2, "ecdh_Yc", 1, &msg, &msglen))
 861             return 0;
 862         break;
 863     }
 864
 865     return 1;
 866 }
 867
 868 static int ssl_print_server_keyex(BIO *bio, int indent, SSL *ssl,
 869                                   const unsigned char *msg, size_t msglen)
 870 {
 871     const char *algname;
 872     int id;
 873     id = ssl_get_keyex(&algname, ssl);
 874     BIO_indent(bio, indent, 80);
 875     BIO_printf(bio, "KeyExchangeAlgorithm=%s\n", algname);
 876     switch (id) {
 877         /* Should never happen */
 878     case SSL_kDHd:
 879     case SSL_kDHr:
 880     case SSL_kECDHr:
 881     case SSL_kECDHe:
 882         BIO_indent(bio, indent + 2, 80);
 883         BIO_printf(bio, "Unexpected Message\n");
 884         break;
 885
 886     case SSL_kRSA:
 887
 888         if (!ssl_print_hexbuf(bio, indent + 2, "rsa_modulus", 2,
 889                               &msg, &msglen))
 890             return 0;
 891         if (!ssl_print_hexbuf(bio, indent + 2, "rsa_exponent", 2,
 892                               &msg, &msglen))
 893             return 0;
 894         break;
 895
 896     case SSL_kDHE:
 897         if (!ssl_print_hexbuf(bio, indent + 2, "dh_p", 2, &msg, &msglen))
 898             return 0;
 899         if (!ssl_print_hexbuf(bio, indent + 2, "dh_g", 2, &msg, &msglen))
 900             return 0;
 901         if (!ssl_print_hexbuf(bio, indent + 2, "dh_Ys", 2, &msg, &msglen))
 902             return 0;
 903         break;
 904
 905     case SSL_kECDHE:
 906         if (msglen < 1)
 907             return 0;
 908         BIO_indent(bio, indent + 2, 80);
 909         if (msg[0] == EXPLICIT_PRIME_CURVE_TYPE)
 910             BIO_puts(bio, "explicit_prime\n");
 911         else if (msg[0] == EXPLICIT_CHAR2_CURVE_TYPE)
 912             BIO_puts(bio, "explicit_char2\n");
 913         else if (msg[0] == NAMED_CURVE_TYPE) {
 914             int curve;
 915             if (msglen < 3)
 916                 return 0;
 917             curve = (msg[1] << 8) | msg[2];
 918             BIO_printf(bio, "named_curve: %s (%d)\n",
 919                        ssl_trace_str(curve, ssl_curve_tbl), curve);
 920             msg += 3;
 921             msglen -= 3;
 922             if (!ssl_print_hexbuf(bio, indent + 2, "point", 1, &msg, &msglen))
 923                 return 0;
 924         }
 925         break;
 926     }
 927     return ssl_print_signature(bio, indent, ssl, &msg, &msglen);
 928 }
 929
 930 static int ssl_print_certificate(BIO *bio, int indent,
 931                                  const unsigned char **pmsg, size_t *pmsglen)
 932 {
 933     size_t msglen = *pmsglen;
 934     size_t clen;
 935     X509 *x;
 936     const unsigned char *p = *pmsg, *q;
 937     if (msglen < 3)
 938         return 0;
 939     clen = (p[0] << 16) | (p[1] << 8) | p[2];
 940     if (msglen < clen + 3)
 941         return 0;
 942     q = p + 3;
 943     BIO_indent(bio, indent, 80);
 944     BIO_printf(bio, "ASN.1Cert, length=%d", (int)clen);
 945     x = d2i_X509(NULL, &q, clen);
 946     if (!x)
 947         BIO_puts(bio, "<UNPARSEABLE CERTIFICATE>\n");
 948     else {
 949         BIO_puts(bio, "\n------details-----\n");
 950         X509_print_ex(bio, x, XN_FLAG_ONELINE, 0);
 951         PEM_write_bio_X509(bio, x);
 952         /* Print certificate stuff */
 953         BIO_puts(bio, "------------------\n");
 954         X509_free(x);
 955     }
 956     if (q != p + 3 + clen) {
 957         BIO_puts(bio, "<TRAILING GARBAGE AFTER CERTIFICATE>\n");
 958     }
 959     *pmsg += clen + 3;
 960     *pmsglen -= clen + 3;
 961     return 1;
 962 }
 963
 964 static int ssl_print_certificates(BIO *bio, int indent,
 965                                   const unsigned char *msg, size_t msglen)
 966 {
 967     size_t clen;
 968     if (msglen < 3)
 969         return 0;
 970     clen = (msg[0] << 16) | (msg[1] << 8) | msg[2];
 971     if (msglen != clen + 3)
 972         return 0;
 973     msg += 3;
 974     BIO_indent(bio, indent, 80);
 975     BIO_printf(bio, "certificate_list, length=%d\n", (int)clen);
 976     while (clen > 0) {
 977         if (!ssl_print_certificate(bio, indent + 2, &msg, &clen))
 978             return 0;
 979     }
 980     return 1;
 981 }
 982
 983 static int ssl_print_cert_request(BIO *bio, int indent, SSL *s,
 984                                   const unsigned char *msg, size_t msglen)
 985 {
 986     size_t xlen;
 987     if (msglen < 1)
 988         return 0;
 989     xlen = msg[0];
 990     if (msglen < xlen + 1)
 991         return 0;
 992     msg++;
 993     BIO_indent(bio, indent, 80);
 994     BIO_printf(bio, "certificate_types (len=%d)\n", (int)xlen);
 995     if (!ssl_trace_list(bio, indent + 2, msg, xlen, 1, ssl_ctype_tbl))
 996         return 0;
 997     msg += xlen;
 998     msglen -= xlen + 1;
 999     if (!SSL_USE_SIGALGS(s))
1000         goto skip_sig;
1001     if (msglen < 2)
1002         return 0;
1003     xlen = (msg[0] << 8) | msg[1];
1004     if (msglen < xlen + 2 || (xlen & 1))
1005         return 0;
1006     msg += 2;
1007     BIO_indent(bio, indent, 80);
1008     BIO_printf(bio, "signature_algorithms (len=%d)\n", (int)xlen);
1009     while (xlen > 0) {
1010         BIO_indent(bio, indent + 2, 80);
1011         BIO_printf(bio, "%s+%s (%d+%d)\n",
1012                    ssl_trace_str(msg[0], ssl_md_tbl),
1013                    ssl_trace_str(msg[1], ssl_sig_tbl), msg[0], msg[1]);
1014         xlen -= 2;
1015         msg += 2;
1016     }
1017     msg += xlen;
1018     msglen -= xlen + 2;
1019
1020  skip_sig:
1021     xlen = (msg[0] << 8) | msg[1];
1022     BIO_indent(bio, indent, 80);
1023     if (msglen < xlen + 2)
1024         return 0;
1025     msg += 2;
1026     msglen -= 2;
1027     BIO_printf(bio, "certificate_authorities (len=%d)\n", (int)xlen);
1028     while (xlen > 0) {
1029         size_t dlen;
1030         X509_NAME *nm;
1031         const unsigned char *p;
1032         if (xlen < 2)
1033             return 0;
1034         dlen = (msg[0] << 8) | msg[1];
1035         if (xlen < dlen + 2)
1036             return 0;
1037         msg += 2;
1038         BIO_indent(bio, indent + 2, 80);
1039         BIO_printf(bio, "DistinguishedName (len=%d): ", (int)dlen);
1040         p = msg;
1041         nm = d2i_X509_NAME(NULL, &p, dlen);
1042         if (!nm) {
1043             BIO_puts(bio, "<UNPARSEABLE DN>\n");
1044         } else {
1045             X509_NAME_print_ex(bio, nm, 0, XN_FLAG_ONELINE);
1046             BIO_puts(bio, "\n");
1047             X509_NAME_free(nm);
1048         }
1049         xlen -= dlen + 2;
1050         msg += dlen;
1051     }
1052     return 1;
1053 }
1054
1055 static int ssl_print_ticket(BIO *bio, int indent,
1056                             const unsigned char *msg, size_t msglen)
1057 {
1058     unsigned int tick_life;
1059     if (msglen == 0) {
1060         BIO_indent(bio, indent + 2, 80);
1061         BIO_puts(bio, "No Ticket\n");
1062         return 1;
1063     }
1064     if (msglen < 4)
1065         return 0;
1066     tick_life = (msg[0] << 24) | (msg[1] << 16) | (msg[2] << 8) | msg[3];
1067     msglen -= 4;
1068     msg += 4;
1069     BIO_indent(bio, indent + 2, 80);
1070     BIO_printf(bio, "ticket_lifetime_hint=%u\n", tick_life);
1071     if (!ssl_print_hexbuf(bio, indent + 2, "ticket", 2, &msg, &msglen))
1072         return 0;
1073     if (msglen)
1074         return 0;
1075     return 1;
1076 }
1077
1078 static int ssl_print_handshake(BIO *bio, SSL *ssl,
1079                                const unsigned char *msg, size_t msglen,
1080                                int indent)
1081 {
1082     size_t hlen;
1083     unsigned char htype;
1084     if (msglen < 4)
1085         return 0;
1086     htype = msg[0];
1087     hlen = (msg[1] << 16) | (msg[2] << 8) | msg[3];
1088     BIO_indent(bio, indent, 80);
1089     BIO_printf(bio, "%s, Length=%d\n",
1090                ssl_trace_str(htype, ssl_handshake_tbl), (int)hlen);
1091     msg += 4;
1092     msglen -= 4;
1093     if (SSL_IS_DTLS(ssl)) {
1094         if (msglen < 8)
1095             return 0;
1096         BIO_indent(bio, indent, 80);
1097         BIO_printf(bio, "message_seq=%d, fragment_offset=%d, "
1098                    "fragment_length=%d\n",
1099                    (msg[0] << 8) | msg[1],
1100                    (msg[2] << 16) | (msg[3] << 8) | msg[4],
1101                    (msg[5] << 16) | (msg[6] << 8) | msg[7]);
1102         msg += 8;
1103         msglen -= 8;
1104     }
1105     if (msglen < hlen)
1106         return 0;
1107     switch (htype) {
1108     case SSL3_MT_CLIENT_HELLO:
1109         if (!ssl_print_client_hello(bio, ssl, indent + 2, msg, msglen))
1110             return 0;
1111         break;
1112
1113     case DTLS1_MT_HELLO_VERIFY_REQUEST:
1114         if (!dtls_print_hello_vfyrequest(bio, indent + 2, msg, msglen))
1115             return 0;
1116         break;
1117
1118     case SSL3_MT_SERVER_HELLO:
1119         if (!ssl_print_server_hello(bio, indent + 2, msg, msglen))
1120             return 0;
1121         break;
1122
1123     case SSL3_MT_SERVER_KEY_EXCHANGE:
1124         if (!ssl_print_server_keyex(bio, indent + 2, ssl, msg, msglen))
1125             return 0;
1126         break;
1127
1128     case SSL3_MT_CLIENT_KEY_EXCHANGE:
1129         if (!ssl_print_client_keyex(bio, indent + 2, ssl, msg, msglen))
1130             return 0;
1131         break;
1132
1133     case SSL3_MT_CERTIFICATE:
1134         if (!ssl_print_certificates(bio, indent + 2, msg, msglen))
1135             return 0;
1136         break;
1137
1138     case SSL3_MT_CERTIFICATE_VERIFY:
1139         if (!ssl_print_signature(bio, indent + 2, ssl, &msg, &msglen))
1140             return 0;
1141         break;
1142
1143     case SSL3_MT_CERTIFICATE_REQUEST:
1144         if (!ssl_print_cert_request(bio, indent + 2, ssl, msg, msglen))
1145             return 0;
1146         break;
1147
1148     case SSL3_MT_FINISHED:
1149         ssl_print_hex(bio, indent + 2, "verify_data", msg, msglen);
1150         break;
1151
1152     case SSL3_MT_SERVER_DONE:
1153         if (msglen != 0)
1154             ssl_print_hex(bio, indent + 2, "unexpected value", msg, msglen);
1155         break;
1156
1157     case SSL3_MT_NEWSESSION_TICKET:
1158         if (!ssl_print_ticket(bio, indent + 2, msg, msglen))
1159             return 0;
1160         break;
1161
1162     default:
1163         BIO_indent(bio, indent + 2, 80);
1164         BIO_puts(bio, "Unsupported, hex dump follows:\n");
1165         BIO_dump_indent(bio, (char *)msg, msglen, indent + 4);
1166     }
1167     return 1;
1168 }
1169
1170 static int ssl_print_heartbeat(BIO *bio, int indent,
1171                                const unsigned char *msg, size_t msglen)
1172 {
1173     if (msglen < 3)
1174         return 0;
1175     BIO_indent(bio, indent, 80);
1176     BIO_printf(bio, "HeartBeatMessageType: %s\n",
1177                ssl_trace_str(msg[0], ssl_hb_type_tbl));
1178     msg++;
1179     msglen--;
1180     if (!ssl_print_hexbuf(bio, indent, "payload", 2, &msg, &msglen))
1181         return 0;
1182     ssl_print_hex(bio, indent, "padding", msg, msglen);
1183     return 1;
1184 }
1185
1186 const char *SSL_CIPHER_standard_name(const SSL_CIPHER *c)
1187 {
1188     return ssl_trace_str(c->id & 0xFFFF, ssl_ciphers_tbl);
1189 }
1190
1191 void SSL_trace(int write_p, int version, int content_type,
1192                const void *buf, size_t msglen, SSL *ssl, void *arg)
1193 {
1194     const unsigned char *msg = buf;
1195     BIO *bio = arg;
1196
1197     if (write_p == 2) {
1198         BIO_puts(bio, "Session ");
1199         ssl_print_hex(bio, 0,
1200                       ssl_trace_str(content_type, ssl_crypto_tbl),
1201                       msg, msglen);
1202         return;
1203     }
1204     switch (content_type) {
1205     case SSL3_RT_HEADER:
1206         {
1207             int hvers = msg[1] << 8 | msg[2];
1208             BIO_puts(bio, write_p ? "Sent" : "Received");
1209             BIO_printf(bio, " Record\nHeader:\n  Version = %s (0x%x)\n",
1210                        ssl_trace_str(hvers, ssl_version_tbl), hvers);
1211             if (SSL_IS_DTLS(ssl)) {
1212                 BIO_printf(bio,
1213                            "  epoch=%d, sequence_number=%04x%04x%04x\n",
1214                            (msg[3] << 8 | msg[4]),
1215                            (msg[5] << 8 | msg[6]),
1216                            (msg[7] << 8 | msg[8]), (msg[9] << 8 | msg[10]));
1217             }
1218
1219             BIO_printf(bio, "  Content Type = %s (%d)\n  Length = %d",
1220                        ssl_trace_str(msg[0], ssl_content_tbl), msg[0],
1221                        msg[msglen - 2] << 8 | msg[msglen - 1]);
1222         }
1223         break;
1224     case SSL3_RT_HANDSHAKE:
1225         if (!ssl_print_handshake(bio, ssl, msg, msglen, 4))
1226             BIO_printf(bio, "Message length parse error!\n");
1227         break;
1228
1229     case SSL3_RT_CHANGE_CIPHER_SPEC:
1230         if (msglen == 1 && msg[0] == 1)
1231             BIO_puts(bio, "    change_cipher_spec (1)\n");
1232         else
1233             ssl_print_hex(bio, 4, "unknown value", msg, msglen);
1234         break;
1235
1236     case SSL3_RT_ALERT:
1237         if (msglen != 2)
1238             BIO_puts(bio, "    Illegal Alert Length\n");
1239         else {
1240             BIO_printf(bio, "    Level=%s(%d), description=%s(%d)\n",
1241                        SSL_alert_type_string_long(msg[0] << 8),
1242                        msg[0], SSL_alert_desc_string_long(msg[1]), msg[1]);
1243         }
1244     case TLS1_RT_HEARTBEAT:
1245         ssl_print_heartbeat(bio, 4, msg, msglen);
1246         break;
1247
1248     }
1249
1250     BIO_puts(bio, "\n");
1251 }
1252
1253 #endif