crypto/openssl/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     {SSL2_VERSION, "SSL 2.0"},
 107     {SSL3_VERSION, "SSL 3.0"},
 108     {TLS1_VERSION, "TLS 1.0"},
 109     {TLS1_1_VERSION, "TLS 1.1"},
 110     {TLS1_2_VERSION, "TLS 1.2"},
 111     {DTLS1_VERSION, "DTLS 1.0"},
 112     {DTLS1_2_VERSION, "DTLS 1.2"},
 113     {DTLS1_BAD_VER, "DTLS 1.0 (bad)"}
 114 };
 115
 116 static ssl_trace_tbl ssl_content_tbl[] = {
 117     {SSL3_RT_CHANGE_CIPHER_SPEC, "ChangeCipherSpec"},
 118     {SSL3_RT_ALERT, "Alert"},
 119     {SSL3_RT_HANDSHAKE, "Handshake"},
 120     {SSL3_RT_APPLICATION_DATA, "ApplicationData"},
 121     {TLS1_RT_HEARTBEAT, "HeartBeat"}
 122 };
 123
 124 /* Handshake types */
 125 static ssl_trace_tbl ssl_handshake_tbl[] = {
 126     {SSL3_MT_HELLO_REQUEST, "HelloRequest"},
 127     {SSL3_MT_CLIENT_HELLO, "ClientHello"},
 128     {SSL3_MT_SERVER_HELLO, "ServerHello"},
 129     {DTLS1_MT_HELLO_VERIFY_REQUEST, "HelloVerifyRequest"},
 130     {SSL3_MT_NEWSESSION_TICKET, "NewSessionTicket"},
 131     {SSL3_MT_CERTIFICATE, "Certificate"},
 132     {SSL3_MT_SERVER_KEY_EXCHANGE, "ServerKeyExchange"},
 133     {SSL3_MT_CERTIFICATE_REQUEST, "CertificateRequest"},
 134     {SSL3_MT_CLIENT_KEY_EXCHANGE, "ClientKeyExchange"},
 135     {SSL3_MT_CERTIFICATE_STATUS, "CertificateStatus"},
 136     {SSL3_MT_SERVER_DONE, "ServerHelloDone"},
 137     {SSL3_MT_CERTIFICATE_VERIFY, "CertificateVerify"},
 138     {SSL3_MT_CLIENT_KEY_EXCHANGE, "ClientKeyExchange"},
 139     {SSL3_MT_FINISHED, "Finished"},
 140     {SSL3_MT_CERTIFICATE_STATUS, "CertificateStatus"}
 141 };
 142
 143 /* Cipher suites */
 144 static ssl_trace_tbl ssl_ciphers_tbl[] = {
 145     {0x0000, "SSL_NULL_WITH_NULL_NULL"},
 146     {0x0001, "SSL_RSA_WITH_NULL_MD5"},
 147     {0x0002, "SSL_RSA_WITH_NULL_SHA"},
 148     {0x0003, "SSL_RSA_EXPORT_WITH_RC4_40_MD5"},
 149     {0x0004, "SSL_RSA_WITH_RC4_128_MD5"},
 150     {0x0005, "SSL_RSA_WITH_RC4_128_SHA"},
 151     {0x0006, "SSL_RSA_EXPORT_WITH_RC2_CBC_40_MD5"},
 152     {0x0007, "SSL_RSA_WITH_IDEA_CBC_SHA"},
 153     {0x0008, "SSL_RSA_EXPORT_WITH_DES40_CBC_SHA"},
 154     {0x0009, "SSL_RSA_WITH_DES_CBC_SHA"},
 155     {0x000A, "SSL_RSA_WITH_3DES_EDE_CBC_SHA"},
 156     {0x000B, "SSL_DH_DSS_EXPORT_WITH_DES40_CBC_SHA"},
 157     {0x000C, "SSL_DH_DSS_WITH_DES_CBC_SHA"},
 158     {0x000D, "SSL_DH_DSS_WITH_3DES_EDE_CBC_SHA"},
 159     {0x000E, "SSL_DH_RSA_EXPORT_WITH_DES40_CBC_SHA"},
 160     {0x000F, "SSL_DH_RSA_WITH_DES_CBC_SHA"},
 161     {0x0010, "SSL_DH_RSA_WITH_3DES_EDE_CBC_SHA"},
 162     {0x0011, "SSL_DHE_DSS_EXPORT_WITH_DES40_CBC_SHA"},
 163     {0x0012, "SSL_DHE_DSS_WITH_DES_CBC_SHA"},
 164     {0x0013, "SSL_DHE_DSS_WITH_3DES_EDE_CBC_SHA"},
 165     {0x0014, "SSL_DHE_RSA_EXPORT_WITH_DES40_CBC_SHA"},
 166     {0x0015, "SSL_DHE_RSA_WITH_DES_CBC_SHA"},
 167     {0x0016, "SSL_DHE_RSA_WITH_3DES_EDE_CBC_SHA"},
 168     {0x0017, "SSL_DH_anon_EXPORT_WITH_RC4_40_MD5"},
 169     {0x0018, "SSL_DH_anon_WITH_RC4_128_MD5"},
 170     {0x0019, "SSL_DH_anon_EXPORT_WITH_DES40_CBC_SHA"},
 171     {0x001A, "SSL_DH_anon_WITH_DES_CBC_SHA"},
 172     {0x001B, "SSL_DH_anon_WITH_3DES_EDE_CBC_SHA"},
 173     {0x001D, "SSL_FORTEZZA_KEA_WITH_FORTEZZA_CBC_SHA"},
 174     {0x001E, "SSL_FORTEZZA_KEA_WITH_RC4_128_SHA"},
 175     {0x001F, "TLS_KRB5_WITH_3DES_EDE_CBC_SHA"},
 176     {0x0020, "TLS_KRB5_WITH_RC4_128_SHA"},
 177     {0x0021, "TLS_KRB5_WITH_IDEA_CBC_SHA"},
 178     {0x0022, "TLS_KRB5_WITH_DES_CBC_MD5"},
 179     {0x0023, "TLS_KRB5_WITH_3DES_EDE_CBC_MD5"},
 180     {0x0024, "TLS_KRB5_WITH_RC4_128_MD5"},
 181     {0x0025, "TLS_KRB5_WITH_IDEA_CBC_MD5"},
 182     {0x0026, "TLS_KRB5_EXPORT_WITH_DES_CBC_40_SHA"},
 183     {0x0027, "TLS_KRB5_EXPORT_WITH_RC2_CBC_40_SHA"},
 184     {0x0028, "TLS_KRB5_EXPORT_WITH_RC4_40_SHA"},
 185     {0x0029, "TLS_KRB5_EXPORT_WITH_DES_CBC_40_MD5"},
 186     {0x002A, "TLS_KRB5_EXPORT_WITH_RC2_CBC_40_MD5"},
 187     {0x002B, "TLS_KRB5_EXPORT_WITH_RC4_40_MD5"},
 188     {0x002F, "TLS_RSA_WITH_AES_128_CBC_SHA"},
 189     {0x0030, "TLS_DH_DSS_WITH_AES_128_CBC_SHA"},
 190     {0x0031, "TLS_DH_RSA_WITH_AES_128_CBC_SHA"},
 191     {0x0032, "TLS_DHE_DSS_WITH_AES_128_CBC_SHA"},
 192     {0x0033, "TLS_DHE_RSA_WITH_AES_128_CBC_SHA"},
 193     {0x0034, "TLS_DH_anon_WITH_AES_128_CBC_SHA"},
 194     {0x0035, "TLS_RSA_WITH_AES_256_CBC_SHA"},
 195     {0x0036, "TLS_DH_DSS_WITH_AES_256_CBC_SHA"},
 196     {0x0037, "TLS_DH_RSA_WITH_AES_256_CBC_SHA"},
 197     {0x0038, "TLS_DHE_DSS_WITH_AES_256_CBC_SHA"},
 198     {0x0039, "TLS_DHE_RSA_WITH_AES_256_CBC_SHA"},
 199     {0x003A, "TLS_DH_anon_WITH_AES_256_CBC_SHA"},
 200     {0x003B, "TLS_RSA_WITH_NULL_SHA256"},
 201     {0x003C, "TLS_RSA_WITH_AES_128_CBC_SHA256"},
 202     {0x003D, "TLS_RSA_WITH_AES_256_CBC_SHA256"},
 203     {0x003E, "TLS_DH_DSS_WITH_AES_128_CBC_SHA256"},
 204     {0x003F, "TLS_DH_RSA_WITH_AES_128_CBC_SHA256"},
 205     {0x0040, "TLS_DHE_DSS_WITH_AES_128_CBC_SHA256"},
 206     {0x0041, "TLS_RSA_WITH_CAMELLIA_128_CBC_SHA"},
 207     {0x0042, "TLS_DH_DSS_WITH_CAMELLIA_128_CBC_SHA"},
 208     {0x0043, "TLS_DH_RSA_WITH_CAMELLIA_128_CBC_SHA"},
 209     {0x0044, "TLS_DHE_DSS_WITH_CAMELLIA_128_CBC_SHA"},
 210     {0x0045, "TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA"},
 211     {0x0046, "TLS_DH_anon_WITH_CAMELLIA_128_CBC_SHA"},
 212     {0x0067, "TLS_DHE_RSA_WITH_AES_128_CBC_SHA256"},
 213     {0x0068, "TLS_DH_DSS_WITH_AES_256_CBC_SHA256"},
 214     {0x0069, "TLS_DH_RSA_WITH_AES_256_CBC_SHA256"},
 215     {0x006A, "TLS_DHE_DSS_WITH_AES_256_CBC_SHA256"},
 216     {0x006B, "TLS_DHE_RSA_WITH_AES_256_CBC_SHA256"},
 217     {0x006C, "TLS_DH_anon_WITH_AES_128_CBC_SHA256"},
 218     {0x006D, "TLS_DH_anon_WITH_AES_256_CBC_SHA256"},
 219     {0x0084, "TLS_RSA_WITH_CAMELLIA_256_CBC_SHA"},
 220     {0x0085, "TLS_DH_DSS_WITH_CAMELLIA_256_CBC_SHA"},
 221     {0x0086, "TLS_DH_RSA_WITH_CAMELLIA_256_CBC_SHA"},
 222     {0x0087, "TLS_DHE_DSS_WITH_CAMELLIA_256_CBC_SHA"},
 223     {0x0088, "TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA"},
 224     {0x0089, "TLS_DH_anon_WITH_CAMELLIA_256_CBC_SHA"},
 225     {0x008A, "TLS_PSK_WITH_RC4_128_SHA"},
 226     {0x008B, "TLS_PSK_WITH_3DES_EDE_CBC_SHA"},
 227     {0x008C, "TLS_PSK_WITH_AES_128_CBC_SHA"},
 228     {0x008D, "TLS_PSK_WITH_AES_256_CBC_SHA"},
 229     {0x008E, "TLS_DHE_PSK_WITH_RC4_128_SHA"},
 230     {0x008F, "TLS_DHE_PSK_WITH_3DES_EDE_CBC_SHA"},
 231     {0x0090, "TLS_DHE_PSK_WITH_AES_128_CBC_SHA"},
 232     {0x0091, "TLS_DHE_PSK_WITH_AES_256_CBC_SHA"},
 233     {0x0092, "TLS_RSA_PSK_WITH_RC4_128_SHA"},
 234     {0x0093, "TLS_RSA_PSK_WITH_3DES_EDE_CBC_SHA"},
 235     {0x0094, "TLS_RSA_PSK_WITH_AES_128_CBC_SHA"},
 236     {0x0095, "TLS_RSA_PSK_WITH_AES_256_CBC_SHA"},
 237     {0x0096, "TLS_RSA_WITH_SEED_CBC_SHA"},
 238     {0x0097, "TLS_DH_DSS_WITH_SEED_CBC_SHA"},
 239     {0x0098, "TLS_DH_RSA_WITH_SEED_CBC_SHA"},
 240     {0x0099, "TLS_DHE_DSS_WITH_SEED_CBC_SHA"},
 241     {0x009A, "TLS_DHE_RSA_WITH_SEED_CBC_SHA"},
 242     {0x009B, "TLS_DH_anon_WITH_SEED_CBC_SHA"},
 243     {0x009C, "TLS_RSA_WITH_AES_128_GCM_SHA256"},
 244     {0x009D, "TLS_RSA_WITH_AES_256_GCM_SHA384"},
 245     {0x009E, "TLS_DHE_RSA_WITH_AES_128_GCM_SHA256"},
 246     {0x009F, "TLS_DHE_RSA_WITH_AES_256_GCM_SHA384"},
 247     {0x00A0, "TLS_DH_RSA_WITH_AES_128_GCM_SHA256"},
 248     {0x00A1, "TLS_DH_RSA_WITH_AES_256_GCM_SHA384"},
 249     {0x00A2, "TLS_DHE_DSS_WITH_AES_128_GCM_SHA256"},
 250     {0x00A3, "TLS_DHE_DSS_WITH_AES_256_GCM_SHA384"},
 251     {0x00A4, "TLS_DH_DSS_WITH_AES_128_GCM_SHA256"},
 252     {0x00A5, "TLS_DH_DSS_WITH_AES_256_GCM_SHA384"},
 253     {0x00A6, "TLS_DH_anon_WITH_AES_128_GCM_SHA256"},
 254     {0x00A7, "TLS_DH_anon_WITH_AES_256_GCM_SHA384"},
 255     {0x00A8, "TLS_PSK_WITH_AES_128_GCM_SHA256"},
 256     {0x00A9, "TLS_PSK_WITH_AES_256_GCM_SHA384"},
 257     {0x00AA, "TLS_DHE_PSK_WITH_AES_128_GCM_SHA256"},
 258     {0x00AB, "TLS_DHE_PSK_WITH_AES_256_GCM_SHA384"},
 259     {0x00AC, "TLS_RSA_PSK_WITH_AES_128_GCM_SHA256"},
 260     {0x00AD, "TLS_RSA_PSK_WITH_AES_256_GCM_SHA384"},
 261     {0x00AE, "TLS_PSK_WITH_AES_128_CBC_SHA256"},
 262     {0x00AF, "TLS_PSK_WITH_AES_256_CBC_SHA384"},
 263     {0x00B0, "TLS_PSK_WITH_NULL_SHA256"},
 264     {0x00B1, "TLS_PSK_WITH_NULL_SHA384"},
 265     {0x00B2, "TLS_DHE_PSK_WITH_AES_128_CBC_SHA256"},
 266     {0x00B3, "TLS_DHE_PSK_WITH_AES_256_CBC_SHA384"},
 267     {0x00B4, "TLS_DHE_PSK_WITH_NULL_SHA256"},
 268     {0x00B5, "TLS_DHE_PSK_WITH_NULL_SHA384"},
 269     {0x00B6, "TLS_RSA_PSK_WITH_AES_128_CBC_SHA256"},
 270     {0x00B7, "TLS_RSA_PSK_WITH_AES_256_CBC_SHA384"},
 271     {0x00B8, "TLS_RSA_PSK_WITH_NULL_SHA256"},
 272     {0x00B9, "TLS_RSA_PSK_WITH_NULL_SHA384"},
 273     {0x00BA, "TLS_RSA_WITH_CAMELLIA_128_CBC_SHA256"},
 274     {0x00BB, "TLS_DH_DSS_WITH_CAMELLIA_128_CBC_SHA256"},
 275     {0x00BC, "TLS_DH_RSA_WITH_CAMELLIA_128_CBC_SHA256"},
 276     {0x00BD, "TLS_DHE_DSS_WITH_CAMELLIA_128_CBC_SHA256"},
 277     {0x00BE, "TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA256"},
 278     {0x00BF, "TLS_DH_anon_WITH_CAMELLIA_128_CBC_SHA256"},
 279     {0x00C0, "TLS_RSA_WITH_CAMELLIA_256_CBC_SHA256"},
 280     {0x00C1, "TLS_DH_DSS_WITH_CAMELLIA_256_CBC_SHA256"},
 281     {0x00C2, "TLS_DH_RSA_WITH_CAMELLIA_256_CBC_SHA256"},
 282     {0x00C3, "TLS_DHE_DSS_WITH_CAMELLIA_256_CBC_SHA256"},
 283     {0x00C4, "TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA256"},
 284     {0x00C5, "TLS_DH_anon_WITH_CAMELLIA_256_CBC_SHA256"},
 285     {0x00FF, "TLS_EMPTY_RENEGOTIATION_INFO_SCSV"},
 286     {0xC001, "TLS_ECDH_ECDSA_WITH_NULL_SHA"},
 287     {0xC002, "TLS_ECDH_ECDSA_WITH_RC4_128_SHA"},
 288     {0xC003, "TLS_ECDH_ECDSA_WITH_3DES_EDE_CBC_SHA"},
 289     {0xC004, "TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA"},
 290     {0xC005, "TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA"},
 291     {0xC006, "TLS_ECDHE_ECDSA_WITH_NULL_SHA"},
 292     {0xC007, "TLS_ECDHE_ECDSA_WITH_RC4_128_SHA"},
 293     {0xC008, "TLS_ECDHE_ECDSA_WITH_3DES_EDE_CBC_SHA"},
 294     {0xC009, "TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA"},
 295     {0xC00A, "TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA"},
 296     {0xC00B, "TLS_ECDH_RSA_WITH_NULL_SHA"},
 297     {0xC00C, "TLS_ECDH_RSA_WITH_RC4_128_SHA"},
 298     {0xC00D, "TLS_ECDH_RSA_WITH_3DES_EDE_CBC_SHA"},
 299     {0xC00E, "TLS_ECDH_RSA_WITH_AES_128_CBC_SHA"},
 300     {0xC00F, "TLS_ECDH_RSA_WITH_AES_256_CBC_SHA"},
 301     {0xC010, "TLS_ECDHE_RSA_WITH_NULL_SHA"},
 302     {0xC011, "TLS_ECDHE_RSA_WITH_RC4_128_SHA"},
 303     {0xC012, "TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA"},
 304     {0xC013, "TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA"},
 305     {0xC014, "TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA"},
 306     {0xC015, "TLS_ECDH_anon_WITH_NULL_SHA"},
 307     {0xC016, "TLS_ECDH_anon_WITH_RC4_128_SHA"},
 308     {0xC017, "TLS_ECDH_anon_WITH_3DES_EDE_CBC_SHA"},
 309     {0xC018, "TLS_ECDH_anon_WITH_AES_128_CBC_SHA"},
 310     {0xC019, "TLS_ECDH_anon_WITH_AES_256_CBC_SHA"},
 311     {0xC01A, "TLS_SRP_SHA_WITH_3DES_EDE_CBC_SHA"},
 312     {0xC01B, "TLS_SRP_SHA_RSA_WITH_3DES_EDE_CBC_SHA"},
 313     {0xC01C, "TLS_SRP_SHA_DSS_WITH_3DES_EDE_CBC_SHA"},
 314     {0xC01D, "TLS_SRP_SHA_WITH_AES_128_CBC_SHA"},
 315     {0xC01E, "TLS_SRP_SHA_RSA_WITH_AES_128_CBC_SHA"},
 316     {0xC01F, "TLS_SRP_SHA_DSS_WITH_AES_128_CBC_SHA"},
 317     {0xC020, "TLS_SRP_SHA_WITH_AES_256_CBC_SHA"},
 318     {0xC021, "TLS_SRP_SHA_RSA_WITH_AES_256_CBC_SHA"},
 319     {0xC022, "TLS_SRP_SHA_DSS_WITH_AES_256_CBC_SHA"},
 320     {0xC023, "TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256"},
 321     {0xC024, "TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384"},
 322     {0xC025, "TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA256"},
 323     {0xC026, "TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA384"},
 324     {0xC027, "TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256"},
 325     {0xC028, "TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384"},
 326     {0xC029, "TLS_ECDH_RSA_WITH_AES_128_CBC_SHA256"},
 327     {0xC02A, "TLS_ECDH_RSA_WITH_AES_256_CBC_SHA384"},
 328     {0xC02B, "TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256"},
 329     {0xC02C, "TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384"},
 330     {0xC02D, "TLS_ECDH_ECDSA_WITH_AES_128_GCM_SHA256"},
 331     {0xC02E, "TLS_ECDH_ECDSA_WITH_AES_256_GCM_SHA384"},
 332     {0xC02F, "TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256"},
 333     {0xC030, "TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384"},
 334     {0xC031, "TLS_ECDH_RSA_WITH_AES_128_GCM_SHA256"},
 335     {0xC032, "TLS_ECDH_RSA_WITH_AES_256_GCM_SHA384"},
 336     {0xFEFE, "SSL_RSA_FIPS_WITH_DES_CBC_SHA"},
 337     {0xFEFF, "SSL_RSA_FIPS_WITH_3DES_EDE_CBC_SHA"},
 338 };
 339
 340 /* Compression methods */
 341 static ssl_trace_tbl ssl_comp_tbl[] = {
 342     {0x0000, "No Compression"},
 343     {0x0001, "Zlib Compression"}
 344 };
 345
 346 /* Extensions */
 347 static ssl_trace_tbl ssl_exts_tbl[] = {
 348     {TLSEXT_TYPE_server_name, "server_name"},
 349     {TLSEXT_TYPE_max_fragment_length, "max_fragment_length"},
 350     {TLSEXT_TYPE_client_certificate_url, "client_certificate_url"},
 351     {TLSEXT_TYPE_trusted_ca_keys, "trusted_ca_keys"},
 352     {TLSEXT_TYPE_truncated_hmac, "truncated_hmac"},
 353     {TLSEXT_TYPE_status_request, "status_request"},
 354     {TLSEXT_TYPE_user_mapping, "user_mapping"},
 355     {TLSEXT_TYPE_client_authz, "client_authz"},
 356     {TLSEXT_TYPE_server_authz, "server_authz"},
 357     {TLSEXT_TYPE_cert_type, "cert_type"},
 358     {TLSEXT_TYPE_elliptic_curves, "elliptic_curves"},
 359     {TLSEXT_TYPE_ec_point_formats, "ec_point_formats"},
 360     {TLSEXT_TYPE_srp, "srp"},
 361     {TLSEXT_TYPE_signature_algorithms, "signature_algorithms"},
 362     {TLSEXT_TYPE_use_srtp, "use_srtp"},
 363     {TLSEXT_TYPE_heartbeat, "heartbeat"},
 364     {TLSEXT_TYPE_session_ticket, "session_ticket"},
 365 # ifdef TLSEXT_TYPE_opaque_prf_input
 366     {TLSEXT_TYPE_opaque_prf_input, "opaque_prf_input"},
 367 # endif
 368     {TLSEXT_TYPE_renegotiate, "renegotiate"},
 369     {TLSEXT_TYPE_next_proto_neg, "next_proto_neg"},
 370     {TLSEXT_TYPE_padding, "padding"}
 371 };
 372
 373 static ssl_trace_tbl ssl_curve_tbl[] = {
 374     {1, "sect163k1 (K-163)"},
 375     {2, "sect163r1"},
 376     {3, "sect163r2 (B-163)"},
 377     {4, "sect193r1"},
 378     {5, "sect193r2"},
 379     {6, "sect233k1 (K-233)"},
 380     {7, "sect233r1 (B-233)"},
 381     {8, "sect239k1"},
 382     {9, "sect283k1 (K-283)"},
 383     {10, "sect283r1 (B-283)"},
 384     {11, "sect409k1 (K-409)"},
 385     {12, "sect409r1 (B-409)"},
 386     {13, "sect571k1 (K-571)"},
 387     {14, "sect571r1 (B-571)"},
 388     {15, "secp160k1"},
 389     {16, "secp160r1"},
 390     {17, "secp160r2"},
 391     {18, "secp192k1"},
 392     {19, "secp192r1 (P-192)"},
 393     {20, "secp224k1"},
 394     {21, "secp224r1 (P-224)"},
 395     {22, "secp256k1"},
 396     {23, "secp256r1 (P-256)"},
 397     {24, "secp384r1 (P-384)"},
 398     {25, "secp521r1 (P-521)"},
 399     {26, "brainpoolP256r1"},
 400     {27, "brainpoolP384r1"},
 401     {28, "brainpoolP512r1"},
 402     {0xFF01, "arbitrary_explicit_prime_curves"},
 403     {0xFF02, "arbitrary_explicit_char2_curves"}
 404 };
 405
 406 static ssl_trace_tbl ssl_point_tbl[] = {
 407     {0, "uncompressed"},
 408     {1, "ansiX962_compressed_prime"},
 409     {2, "ansiX962_compressed_char2"}
 410 };
 411
 412 static ssl_trace_tbl ssl_md_tbl[] = {
 413     {0, "none"},
 414     {1, "md5"},
 415     {2, "sha1"},
 416     {3, "sha224"},
 417     {4, "sha256"},
 418     {5, "sha384"},
 419     {6, "sha512"}
 420 };
 421
 422 static ssl_trace_tbl ssl_sig_tbl[] = {
 423     {0, "anonymous"},
 424     {1, "rsa"},
 425     {2, "dsa"},
 426     {3, "ecdsa"}
 427 };
 428
 429 static ssl_trace_tbl ssl_hb_tbl[] = {
 430     {1, "peer_allowed_to_send"},
 431     {2, "peer_not_allowed_to_send"}
 432 };
 433
 434 static ssl_trace_tbl ssl_hb_type_tbl[] = {
 435     {1, "heartbeat_request"},
 436     {2, "heartbeat_response"}
 437 };
 438
 439 static ssl_trace_tbl ssl_ctype_tbl[] = {
 440     {1, "rsa_sign"},
 441     {2, "dss_sign"},
 442     {3, "rsa_fixed_dh"},
 443     {4, "dss_fixed_dh"},
 444     {5, "rsa_ephemeral_dh"},
 445     {6, "dss_ephemeral_dh"},
 446     {20, "fortezza_dms"},
 447     {64, "ecdsa_sign"},
 448     {65, "rsa_fixed_ecdh"},
 449     {66, "ecdsa_fixed_ecdh"}
 450 };
 451
 452 static ssl_trace_tbl ssl_crypto_tbl[] = {
 453     {TLS1_RT_CRYPTO_PREMASTER, "Premaster Secret"},
 454     {TLS1_RT_CRYPTO_CLIENT_RANDOM, "Client Random"},
 455     {TLS1_RT_CRYPTO_SERVER_RANDOM, "Server Random"},
 456     {TLS1_RT_CRYPTO_MASTER, "Master Secret"},
 457     {TLS1_RT_CRYPTO_MAC | TLS1_RT_CRYPTO_WRITE, "Write Mac Secret"},
 458     {TLS1_RT_CRYPTO_MAC | TLS1_RT_CRYPTO_READ, "Read Mac Secret"},
 459     {TLS1_RT_CRYPTO_KEY | TLS1_RT_CRYPTO_WRITE, "Write Key"},
 460     {TLS1_RT_CRYPTO_KEY | TLS1_RT_CRYPTO_READ, "Read Key"},
 461     {TLS1_RT_CRYPTO_IV | TLS1_RT_CRYPTO_WRITE, "Write IV"},
 462     {TLS1_RT_CRYPTO_IV | TLS1_RT_CRYPTO_READ, "Read IV"},
 463     {TLS1_RT_CRYPTO_FIXED_IV | TLS1_RT_CRYPTO_WRITE, "Write IV (fixed part)"},
 464     {TLS1_RT_CRYPTO_FIXED_IV | TLS1_RT_CRYPTO_READ, "Read IV (fixed part)"}
 465 };
 466
 467 static void ssl_print_hex(BIO *bio, int indent, const char *name,
 468                           const unsigned char *msg, size_t msglen)
 469 {
 470     size_t i;
 471     BIO_indent(bio, indent, 80);
 472     BIO_printf(bio, "%s (len=%d): ", name, (int)msglen);
 473     for (i = 0; i < msglen; i++)
 474         BIO_printf(bio, "%02X", msg[i]);
 475     BIO_puts(bio, "\n");
 476 }
 477
 478 static int ssl_print_hexbuf(BIO *bio, int indent,
 479                             const char *name, size_t nlen,
 480                             const unsigned char **pmsg, size_t *pmsglen)
 481 {
 482     size_t blen;
 483     const unsigned char *p = *pmsg;
 484     if (*pmsglen < nlen)
 485         return 0;
 486     blen = p[0];
 487     if (nlen > 1)
 488         blen = (blen << 8) | p[1];
 489     if (*pmsglen < nlen + blen)
 490         return 0;
 491     p += nlen;
 492     ssl_print_hex(bio, indent, name, p, blen);
 493     *pmsg += blen + nlen;
 494     *pmsglen -= blen + nlen;
 495     return 1;
 496 }
 497
 498 static int ssl_print_version(BIO *bio, int indent, const char *name,
 499                              const unsigned char **pmsg, size_t *pmsglen)
 500 {
 501     int vers;
 502     if (*pmsglen < 2)
 503         return 0;
 504     vers = ((*pmsg)[0] << 8) | (*pmsg)[1];
 505     BIO_indent(bio, indent, 80);
 506     BIO_printf(bio, "%s=0x%x (%s)\n",
 507                name, vers, ssl_trace_str(vers, ssl_version_tbl));
 508     *pmsg += 2;
 509     *pmsglen -= 2;
 510     return 1;
 511 }
 512
 513 static int ssl_print_random(BIO *bio, int indent,
 514                             const unsigned char **pmsg, size_t *pmsglen)
 515 {
 516     unsigned int tm;
 517     const unsigned char *p = *pmsg;
 518     if (*pmsglen < 32)
 519         return 0;
 520     tm = (p[0] << 24) | (p[1] << 16) | (p[2] << 8) | p[3];
 521     p += 4;
 522     BIO_indent(bio, indent, 80);
 523     BIO_puts(bio, "Random:\n");
 524     BIO_indent(bio, indent + 2, 80);
 525     BIO_printf(bio, "gmt_unix_time=0x%08X\n", tm);
 526     ssl_print_hex(bio, indent + 2, "random_bytes", p, 28);
 527     *pmsg += 32;
 528     *pmsglen -= 32;
 529     return 1;
 530 }
 531
 532 static int ssl_print_signature(BIO *bio, int indent, SSL *s,
 533                                const unsigned char **pmsg, size_t *pmsglen)
 534 {
 535     if (*pmsglen < 2)
 536         return 0;
 537     if (SSL_USE_SIGALGS(s)) {
 538         const unsigned char *p = *pmsg;
 539         BIO_indent(bio, indent, 80);
 540         BIO_printf(bio, "Signature Algorithm %s+%s (%d+%d)\n",
 541                    ssl_trace_str(p[0], ssl_md_tbl),
 542                    ssl_trace_str(p[1], ssl_sig_tbl), p[0], p[1]);
 543         *pmsg += 2;
 544         *pmsglen -= 2;
 545     }
 546     return ssl_print_hexbuf(bio, indent, "Signature", 2, pmsg, pmsglen);
 547 }
 548
 549 static int ssl_print_extension(BIO *bio, int indent, int server, int extype,
 550                                const unsigned char *ext, size_t extlen)
 551 {
 552     size_t xlen;
 553     BIO_indent(bio, indent, 80);
 554     BIO_printf(bio, "extension_type=%s(%d), length=%d\n",
 555                ssl_trace_str(extype, ssl_exts_tbl), extype, (int)extlen);
 556     switch (extype) {
 557     case TLSEXT_TYPE_ec_point_formats:
 558         if (extlen < 1)
 559             return 0;
 560         xlen = ext[0];
 561         if (extlen != xlen + 1)
 562             return 0;
 563         return ssl_trace_list(bio, indent + 2,
 564                               ext + 1, xlen, 1, ssl_point_tbl);
 565
 566     case TLSEXT_TYPE_elliptic_curves:
 567         if (extlen < 2)
 568             return 0;
 569         xlen = (ext[0] << 8) | ext[1];
 570         if (extlen != xlen + 2)
 571             return 0;
 572         return ssl_trace_list(bio, indent + 2,
 573                               ext + 2, xlen, 2, ssl_curve_tbl);
 574
 575     case TLSEXT_TYPE_signature_algorithms:
 576
 577         if (extlen < 2)
 578             return 0;
 579         xlen = (ext[0] << 8) | ext[1];
 580         if (extlen != xlen + 2)
 581             return 0;
 582         if (xlen & 1)
 583             return 0;
 584         ext += 2;
 585         while (xlen > 0) {
 586             BIO_indent(bio, indent + 2, 80);
 587             BIO_printf(bio, "%s+%s (%d+%d)\n",
 588                        ssl_trace_str(ext[0], ssl_md_tbl),
 589                        ssl_trace_str(ext[1], ssl_sig_tbl), ext[0], ext[1]);
 590             xlen -= 2;
 591             ext += 2;
 592         }
 593         break;
 594
 595     case TLSEXT_TYPE_renegotiate:
 596         if (extlen < 1)
 597             return 0;
 598         xlen = ext[0];
 599         if (xlen + 1 != extlen)
 600             return 0;
 601         ext++;
 602         if (xlen) {
 603             if (server) {
 604                 if (xlen & 1)
 605                     return 0;
 606                 xlen >>= 1;
 607             }
 608             ssl_print_hex(bio, indent + 4, "client_verify_data", ext, xlen);
 609             if (server) {
 610                 ext += xlen;
 611                 ssl_print_hex(bio, indent + 4,
 612                               "server_verify_data", ext, xlen);
 613             }
 614         } else {
 615             BIO_indent(bio, indent + 4, 80);
 616             BIO_puts(bio, "<EMPTY>\n");
 617         }
 618         break;
 619
 620     case TLSEXT_TYPE_heartbeat:
 621         if (extlen != 1)
 622             return 0;
 623         BIO_indent(bio, indent + 2, 80);
 624         BIO_printf(bio, "HeartbeatMode: %s\n",
 625                    ssl_trace_str(ext[0], ssl_hb_tbl));
 626         break;
 627
 628     case TLSEXT_TYPE_session_ticket:
 629         if (extlen != 0)
 630             ssl_print_hex(bio, indent + 4, "ticket", ext, extlen);
 631         break;
 632
 633     default:
 634         BIO_dump_indent(bio, (char *)ext, extlen, indent + 2);
 635     }
 636     return 1;
 637 }
 638
 639 static int ssl_print_extensions(BIO *bio, int indent, int server,
 640                                 const unsigned char *msg, size_t msglen)
 641 {
 642     size_t extslen;
 643     BIO_indent(bio, indent, 80);
 644     if (msglen == 0) {
 645         BIO_puts(bio, "No Extensions\n");
 646         return 1;
 647     }
 648     extslen = (msg[0] << 8) | msg[1];
 649     if (extslen != msglen - 2)
 650         return 0;
 651     msg += 2;
 652     msglen = extslen;
 653     BIO_printf(bio, "extensions, length = %d\n", (int)msglen);
 654     while (msglen > 0) {
 655         int extype;
 656         size_t extlen;
 657         if (msglen < 4)
 658             return 0;
 659         extype = (msg[0] << 8) | msg[1];
 660         extlen = (msg[2] << 8) | msg[3];
 661         if (msglen < extlen + 4)
 662             return 0;
 663         msg += 4;
 664         if (!ssl_print_extension(bio, indent + 2, server,
 665                                  extype, msg, extlen))
 666             return 0;
 667         msg += extlen;
 668         msglen -= extlen + 4;
 669     }
 670     return 1;
 671 }
 672
 673 static int ssl_print_client_hello(BIO *bio, SSL *ssl, int indent,
 674                                   const unsigned char *msg, size_t msglen)
 675 {
 676     size_t len;
 677     unsigned int cs;
 678     if (!ssl_print_version(bio, indent, "client_version", &msg, &msglen))
 679         return 0;
 680     if (!ssl_print_random(bio, indent, &msg, &msglen))
 681         return 0;
 682     if (!ssl_print_hexbuf(bio, indent, "session_id", 1, &msg, &msglen))
 683         return 0;
 684     if (SSL_IS_DTLS(ssl)) {
 685         if (!ssl_print_hexbuf(bio, indent, "cookie", 1, &msg, &msglen))
 686             return 0;
 687     }
 688     if (msglen < 2)
 689         return 0;
 690     len = (msg[0] << 8) | msg[1];
 691     msg += 2;
 692     msglen -= 2;
 693     BIO_indent(bio, indent, 80);
 694     BIO_printf(bio, "cipher_suites (len=%d)\n", (int)len);
 695     if (msglen < len || len & 1)
 696         return 0;
 697     while (len > 0) {
 698         cs = (msg[0] << 8) | msg[1];
 699         BIO_indent(bio, indent + 2, 80);
 700         BIO_printf(bio, "{0x%02X, 0x%02X} %s\n",
 701                    msg[0], msg[1], ssl_trace_str(cs, ssl_ciphers_tbl));
 702         msg += 2;
 703         msglen -= 2;
 704         len -= 2;
 705     }
 706     if (msglen < 1)
 707         return 0;
 708     len = msg[0];
 709     msg++;
 710     msglen--;
 711     if (msglen < len)
 712         return 0;
 713     BIO_indent(bio, indent, 80);
 714     BIO_printf(bio, "compression_methods (len=%d)\n", (int)len);
 715     while (len > 0) {
 716         BIO_indent(bio, indent + 2, 80);
 717         BIO_printf(bio, "%s (0x%02X)\n",
 718                    ssl_trace_str(msg[0], ssl_comp_tbl), msg[0]);
 719         msg++;
 720         msglen--;
 721         len--;
 722     }
 723     if (!ssl_print_extensions(bio, indent, 0, msg, msglen))
 724         return 0;
 725     return 1;
 726 }
 727
 728 static int dtls_print_hello_vfyrequest(BIO *bio, int indent,
 729                                        const unsigned char *msg,
 730                                        size_t msglen)
 731 {
 732     if (!ssl_print_version(bio, indent, "server_version", &msg, &msglen))
 733         return 0;
 734     if (!ssl_print_hexbuf(bio, indent, "cookie", 1, &msg, &msglen))
 735         return 0;
 736     return 1;
 737 }
 738
 739 static int ssl_print_server_hello(BIO *bio, int indent,
 740                                   const unsigned char *msg, size_t msglen)
 741 {
 742     unsigned int cs;
 743     if (!ssl_print_version(bio, indent, "server_version", &msg, &msglen))
 744         return 0;
 745     if (!ssl_print_random(bio, indent, &msg, &msglen))
 746         return 0;
 747     if (!ssl_print_hexbuf(bio, indent, "session_id", 1, &msg, &msglen))
 748         return 0;
 749     if (msglen < 2)
 750         return 0;
 751     cs = (msg[0] << 8) | msg[1];
 752     BIO_indent(bio, indent, 80);
 753     BIO_printf(bio, "cipher_suite {0x%02X, 0x%02X} %s\n",
 754                msg[0], msg[1], ssl_trace_str(cs, ssl_ciphers_tbl));
 755     msg += 2;
 756     msglen -= 2;
 757     if (msglen < 1)
 758         return 0;
 759     BIO_indent(bio, indent, 80);
 760     BIO_printf(bio, "compression_method: %s (0x%02X)\n",
 761                ssl_trace_str(msg[0], ssl_comp_tbl), msg[0]);
 762     msg++;
 763     msglen--;
 764     if (!ssl_print_extensions(bio, indent, 1, msg, msglen))
 765         return 0;
 766     return 1;
 767 }
 768
 769 static int ssl_get_keyex(const char **pname, SSL *ssl)
 770 {
 771     unsigned long alg_k = ssl->s3->tmp.new_cipher->algorithm_mkey;
 772     if (alg_k & SSL_kRSA) {
 773         *pname = "rsa";
 774         return SSL_kRSA;
 775     }
 776     if (alg_k & SSL_kDHr) {
 777         *pname = "dh_rsa";
 778         return SSL_kDHr;
 779     }
 780     if (alg_k & SSL_kDHd) {
 781         *pname = "dh_dss";
 782         return SSL_kDHd;
 783     }
 784     if (alg_k & SSL_kKRB5) {
 785         *pname = "krb5";
 786         return SSL_kKRB5;
 787     }
 788     if (alg_k & SSL_kEDH) {
 789         *pname = "edh";
 790         return SSL_kEDH;
 791     }
 792     if (alg_k & SSL_kEECDH) {
 793         *pname = "EECDH";
 794         return SSL_kEECDH;
 795     }
 796     if (alg_k & SSL_kECDHr) {
 797         *pname = "ECDH RSA";
 798         return SSL_kECDHr;
 799     }
 800     if (alg_k & SSL_kECDHe) {
 801         *pname = "ECDH ECDSA";
 802         return SSL_kECDHe;
 803     }
 804     if (alg_k & SSL_kPSK) {
 805         *pname = "PSK";
 806         return SSL_kPSK;
 807     }
 808     if (alg_k & SSL_kSRP) {
 809         *pname = "SRP";
 810         return SSL_kSRP;
 811     }
 812     if (alg_k & SSL_kGOST) {
 813         *pname = "GOST";
 814         return SSL_kGOST;
 815     }
 816     *pname = "UNKNOWN";
 817     return 0;
 818 }
 819
 820 static int ssl_print_client_keyex(BIO *bio, int indent, SSL *ssl,
 821                                   const unsigned char *msg, size_t msglen)
 822 {
 823     const char *algname;
 824     int id;
 825     id = ssl_get_keyex(&algname, ssl);
 826     BIO_indent(bio, indent, 80);
 827     BIO_printf(bio, "KeyExchangeAlgorithm=%s\n", algname);
 828     switch (id) {
 829
 830     case SSL_kRSA:
 831         if (TLS1_get_version(ssl) == SSL3_VERSION) {
 832             ssl_print_hex(bio, indent + 2,
 833                           "EncyptedPreMasterSecret", msg, msglen);
 834         } else {
 835             if (!ssl_print_hexbuf(bio, indent + 2,
 836                                   "EncyptedPreMasterSecret", 2,
 837                                   &msg, &msglen))
 838                 return 0;
 839         }
 840         break;
 841
 842         /* Implicit parameters only allowed for static DH */
 843     case SSL_kDHd:
 844     case SSL_kDHr:
 845         if (msglen == 0) {
 846             BIO_indent(bio, indent + 2, 80);
 847             BIO_puts(bio, "implicit\n");
 848             break;
 849         }
 850     case SSL_kEDH:
 851         if (!ssl_print_hexbuf(bio, indent + 2, "dh_Yc", 2, &msg, &msglen))
 852             return 0;
 853         break;
 854
 855     case SSL_kECDHr:
 856     case SSL_kECDHe:
 857         if (msglen == 0) {
 858             BIO_indent(bio, indent + 2, 80);
 859             BIO_puts(bio, "implicit\n");
 860             break;
 861         }
 862     case SSL_kEECDH:
 863         if (!ssl_print_hexbuf(bio, indent + 2, "ecdh_Yc", 1, &msg, &msglen))
 864             return 0;
 865         break;
 866     }
 867
 868     return 1;
 869 }
 870
 871 static int ssl_print_server_keyex(BIO *bio, int indent, SSL *ssl,
 872                                   const unsigned char *msg, size_t msglen)
 873 {
 874     const char *algname;
 875     int id;
 876     id = ssl_get_keyex(&algname, ssl);
 877     BIO_indent(bio, indent, 80);
 878     BIO_printf(bio, "KeyExchangeAlgorithm=%s\n", algname);
 879     switch (id) {
 880         /* Should never happen */
 881     case SSL_kDHd:
 882     case SSL_kDHr:
 883     case SSL_kECDHr:
 884     case SSL_kECDHe:
 885         BIO_indent(bio, indent + 2, 80);
 886         BIO_printf(bio, "Unexpected Message\n");
 887         break;
 888
 889     case SSL_kRSA:
 890
 891         if (!ssl_print_hexbuf(bio, indent + 2, "rsa_modulus", 2,
 892                               &msg, &msglen))
 893             return 0;
 894         if (!ssl_print_hexbuf(bio, indent + 2, "rsa_exponent", 2,
 895                               &msg, &msglen))
 896             return 0;
 897         break;
 898
 899     case SSL_kEDH:
 900         if (!ssl_print_hexbuf(bio, indent + 2, "dh_p", 2, &msg, &msglen))
 901             return 0;
 902         if (!ssl_print_hexbuf(bio, indent + 2, "dh_g", 2, &msg, &msglen))
 903             return 0;
 904         if (!ssl_print_hexbuf(bio, indent + 2, "dh_Ys", 2, &msg, &msglen))
 905             return 0;
 906         break;
 907
 908     case SSL_kEECDH:
 909         if (msglen < 1)
 910             return 0;
 911         BIO_indent(bio, indent + 2, 80);
 912         if (msg[0] == EXPLICIT_PRIME_CURVE_TYPE)
 913             BIO_puts(bio, "explicit_prime\n");
 914         else if (msg[0] == EXPLICIT_CHAR2_CURVE_TYPE)
 915             BIO_puts(bio, "explicit_char2\n");
 916         else if (msg[0] == NAMED_CURVE_TYPE) {
 917             int curve;
 918             if (msglen < 3)
 919                 return 0;
 920             curve = (msg[1] << 8) | msg[2];
 921             BIO_printf(bio, "named_curve: %s (%d)\n",
 922                        ssl_trace_str(curve, ssl_curve_tbl), curve);
 923             msg += 3;
 924             msglen -= 3;
 925             if (!ssl_print_hexbuf(bio, indent + 2, "point", 1, &msg, &msglen))
 926                 return 0;
 927         }
 928         break;
 929     }
 930     return ssl_print_signature(bio, indent, ssl, &msg, &msglen);
 931 }
 932
 933 static int ssl_print_certificate(BIO *bio, int indent,
 934                                  const unsigned char **pmsg, size_t *pmsglen)
 935 {
 936     size_t msglen = *pmsglen;
 937     size_t clen;
 938     X509 *x;
 939     const unsigned char *p = *pmsg, *q;
 940     if (msglen < 3)
 941         return 0;
 942     clen = (p[0] << 16) | (p[1] << 8) | p[2];
 943     if (msglen < clen + 3)
 944         return 0;
 945     q = p + 3;
 946     BIO_indent(bio, indent, 80);
 947     BIO_printf(bio, "ASN.1Cert, length=%d", (int)clen);
 948     x = d2i_X509(NULL, &q, clen);
 949     if (!x)
 950         BIO_puts(bio, "<UNPARSEABLE CERTIFICATE>\n");
 951     else {
 952         BIO_puts(bio, "\n------details-----\n");
 953         X509_print_ex(bio, x, XN_FLAG_ONELINE, 0);
 954         PEM_write_bio_X509(bio, x);
 955         /* Print certificate stuff */
 956         BIO_puts(bio, "------------------\n");
 957         X509_free(x);
 958     }
 959     if (q != p + 3 + clen) {
 960         BIO_puts(bio, "<TRAILING GARBAGE AFTER CERTIFICATE>\n");
 961     }
 962     *pmsg += clen + 3;
 963     *pmsglen -= clen + 3;
 964     return 1;
 965 }
 966
 967 static int ssl_print_certificates(BIO *bio, int indent,
 968                                   const unsigned char *msg, size_t msglen)
 969 {
 970     size_t clen;
 971     if (msglen < 3)
 972         return 0;
 973     clen = (msg[0] << 16) | (msg[1] << 8) | msg[2];
 974     if (msglen != clen + 3)
 975         return 0;
 976     msg += 3;
 977     BIO_indent(bio, indent, 80);
 978     BIO_printf(bio, "certificate_list, length=%d\n", (int)clen);
 979     while (clen > 0) {
 980         if (!ssl_print_certificate(bio, indent + 2, &msg, &clen))
 981             return 0;
 982     }
 983     return 1;
 984 }
 985
 986 static int ssl_print_cert_request(BIO *bio, int indent, SSL *s,
 987                                   const unsigned char *msg, size_t msglen)
 988 {
 989     size_t xlen;
 990     if (msglen < 1)
 991         return 0;
 992     xlen = msg[0];
 993     if (msglen < xlen + 1)
 994         return 0;
 995     msg++;
 996     BIO_indent(bio, indent, 80);
 997     BIO_printf(bio, "certificate_types (len=%d)\n", (int)xlen);
 998     if (!ssl_trace_list(bio, indent + 2, msg, xlen, 1, ssl_ctype_tbl))
 999         return 0;
1000     msg += xlen;
1001     msglen -= xlen + 1;
1002     if (!SSL_USE_SIGALGS(s))
1003         goto skip_sig;
1004     if (msglen < 2)
1005         return 0;
1006     xlen = (msg[0] << 8) | msg[1];
1007     if (msglen < xlen + 2 || (xlen & 1))
1008         return 0;
1009     msg += 2;
1010     BIO_indent(bio, indent, 80);
1011     BIO_printf(bio, "signature_algorithms (len=%d)\n", (int)xlen);
1012     while (xlen > 0) {
1013         BIO_indent(bio, indent + 2, 80);
1014         BIO_printf(bio, "%s+%s (%d+%d)\n",
1015                    ssl_trace_str(msg[0], ssl_md_tbl),
1016                    ssl_trace_str(msg[1], ssl_sig_tbl), msg[0], msg[1]);
1017         xlen -= 2;
1018         msg += 2;
1019     }
1020     msg += xlen;
1021     msglen -= xlen + 2;
1022
1023  skip_sig:
1024     xlen = (msg[0] << 8) | msg[1];
1025     BIO_indent(bio, indent, 80);
1026     if (msglen < xlen + 2)
1027         return 0;
1028     msg += 2;
1029     msglen -= 2;
1030     BIO_printf(bio, "certificate_authorities (len=%d)\n", (int)xlen);
1031     while (xlen > 0) {
1032         size_t dlen;
1033         X509_NAME *nm;
1034         const unsigned char *p;
1035         if (xlen < 2)
1036             return 0;
1037         dlen = (msg[0] << 8) | msg[1];
1038         if (xlen < dlen + 2)
1039             return 0;
1040         msg += 2;
1041         BIO_indent(bio, indent + 2, 80);
1042         BIO_printf(bio, "DistinguishedName (len=%d): ", (int)dlen);
1043         p = msg;
1044         nm = d2i_X509_NAME(NULL, &p, dlen);
1045         if (!nm) {
1046             BIO_puts(bio, "<UNPARSEABLE DN>\n");
1047         } else {
1048             X509_NAME_print_ex(bio, nm, 0, XN_FLAG_ONELINE);
1049             BIO_puts(bio, "\n");
1050             X509_NAME_free(nm);
1051         }
1052         xlen -= dlen + 2;
1053         msg += dlen;
1054     }
1055     return 1;
1056 }
1057
1058 static int ssl_print_ticket(BIO *bio, int indent,
1059                             const unsigned char *msg, size_t msglen)
1060 {
1061     unsigned int tick_life;
1062     if (msglen == 0) {
1063         BIO_indent(bio, indent + 2, 80);
1064         BIO_puts(bio, "No Ticket\n");
1065         return 1;
1066     }
1067     if (msglen < 4)
1068         return 0;
1069     tick_life = (msg[0] << 24) | (msg[1] << 16) | (msg[2] << 8) | msg[3];
1070     msglen -= 4;
1071     msg += 4;
1072     BIO_indent(bio, indent + 2, 80);
1073     BIO_printf(bio, "ticket_lifetime_hint=%u\n", tick_life);
1074     if (!ssl_print_hexbuf(bio, indent + 2, "ticket", 2, &msg, &msglen))
1075         return 0;
1076     if (msglen)
1077         return 0;
1078     return 1;
1079 }
1080
1081 static int ssl_print_handshake(BIO *bio, SSL *ssl,
1082                                const unsigned char *msg, size_t msglen,
1083                                int indent)
1084 {
1085     size_t hlen;
1086     unsigned char htype;
1087     if (msglen < 4)
1088         return 0;
1089     htype = msg[0];
1090     hlen = (msg[1] << 16) | (msg[2] << 8) | msg[3];
1091     BIO_indent(bio, indent, 80);
1092     BIO_printf(bio, "%s, Length=%d\n",
1093                ssl_trace_str(htype, ssl_handshake_tbl), (int)hlen);
1094     msg += 4;
1095     msglen -= 4;
1096     if (SSL_IS_DTLS(ssl)) {
1097         if (msglen < 8)
1098             return 0;
1099         BIO_indent(bio, indent, 80);
1100         BIO_printf(bio, "message_seq=%d, fragment_offset=%d, "
1101                    "fragment_length=%d\n",
1102                    (msg[0] << 8) | msg[1],
1103                    (msg[2] << 16) | (msg[3] << 8) | msg[4],
1104                    (msg[5] << 16) | (msg[6] << 8) | msg[7]);
1105         msg += 8;
1106         msglen -= 8;
1107     }
1108     if (msglen < hlen)
1109         return 0;
1110     switch (htype) {
1111     case SSL3_MT_CLIENT_HELLO:
1112         if (!ssl_print_client_hello(bio, ssl, indent + 2, msg, msglen))
1113             return 0;
1114         break;
1115
1116     case DTLS1_MT_HELLO_VERIFY_REQUEST:
1117         if (!dtls_print_hello_vfyrequest(bio, indent + 2, msg, msglen))
1118             return 0;
1119         break;
1120
1121     case SSL3_MT_SERVER_HELLO:
1122         if (!ssl_print_server_hello(bio, indent + 2, msg, msglen))
1123             return 0;
1124         break;
1125
1126     case SSL3_MT_SERVER_KEY_EXCHANGE:
1127         if (!ssl_print_server_keyex(bio, indent + 2, ssl, msg, msglen))
1128             return 0;
1129         break;
1130
1131     case SSL3_MT_CLIENT_KEY_EXCHANGE:
1132         if (!ssl_print_client_keyex(bio, indent + 2, ssl, msg, msglen))
1133             return 0;
1134         break;
1135
1136     case SSL3_MT_CERTIFICATE:
1137         if (!ssl_print_certificates(bio, indent + 2, msg, msglen))
1138             return 0;
1139         break;
1140
1141     case SSL3_MT_CERTIFICATE_VERIFY:
1142         if (!ssl_print_signature(bio, indent + 2, ssl, &msg, &msglen))
1143             return 0;
1144         break;
1145
1146     case SSL3_MT_CERTIFICATE_REQUEST:
1147         if (!ssl_print_cert_request(bio, indent + 2, ssl, msg, msglen))
1148             return 0;
1149         break;
1150
1151     case SSL3_MT_FINISHED:
1152         ssl_print_hex(bio, indent + 2, "verify_data", msg, msglen);
1153         break;
1154
1155     case SSL3_MT_SERVER_DONE:
1156         if (msglen != 0)
1157             ssl_print_hex(bio, indent + 2, "unexpected value", msg, msglen);
1158         break;
1159
1160     case SSL3_MT_NEWSESSION_TICKET:
1161         if (!ssl_print_ticket(bio, indent + 2, msg, msglen))
1162             return 0;
1163         break;
1164
1165     default:
1166         BIO_indent(bio, indent + 2, 80);
1167         BIO_puts(bio, "Unsupported, hex dump follows:\n");
1168         BIO_dump_indent(bio, (char *)msg, msglen, indent + 4);
1169     }
1170     return 1;
1171 }
1172
1173 static int ssl_print_heartbeat(BIO *bio, int indent,
1174                                const unsigned char *msg, size_t msglen)
1175 {
1176     if (msglen < 3)
1177         return 0;
1178     BIO_indent(bio, indent, 80);
1179     BIO_printf(bio, "HeartBeatMessageType: %s\n",
1180                ssl_trace_str(msg[0], ssl_hb_type_tbl));
1181     msg++;
1182     msglen--;
1183     if (!ssl_print_hexbuf(bio, indent, "payload", 2, &msg, &msglen))
1184         return 0;
1185     ssl_print_hex(bio, indent, "padding", msg, msglen);
1186     return 1;
1187 }
1188
1189 const char *SSL_CIPHER_standard_name(const SSL_CIPHER *c)
1190 {
1191     if (c->algorithm_ssl & SSL_SSLV2)
1192         return NULL;
1193     return ssl_trace_str(c->id & 0xFFFF, ssl_ciphers_tbl);
1194 }
1195
1196 void SSL_trace(int write_p, int version, int content_type,
1197                const void *buf, size_t msglen, SSL *ssl, void *arg)
1198 {
1199     const unsigned char *msg = buf;
1200     BIO *bio = arg;
1201
1202     if (write_p == 2) {
1203         BIO_puts(bio, "Session ");
1204         ssl_print_hex(bio, 0,
1205                       ssl_trace_str(content_type, ssl_crypto_tbl),
1206                       msg, msglen);
1207         return;
1208     }
1209     switch (content_type) {
1210     case SSL3_RT_HEADER:
1211         {
1212             int hvers = msg[1] << 8 | msg[2];
1213             BIO_puts(bio, write_p ? "Sent" : "Received");
1214             BIO_printf(bio, " Record\nHeader:\n  Version = %s (0x%x)\n",
1215                        ssl_trace_str(hvers, ssl_version_tbl), hvers);
1216             if (SSL_IS_DTLS(ssl)) {
1217                 BIO_printf(bio,
1218                            "  epoch=%d, sequence_number=%04x%04x%04x\n",
1219                            (msg[3] << 8 | msg[4]),
1220                            (msg[5] << 8 | msg[6]),
1221                            (msg[7] << 8 | msg[8]), (msg[9] << 8 | msg[10]));
1222 # if 0
1223                 /*
1224                  * Just print handshake type so we can see what is going on
1225                  * during fragmentation.
1226                  */
1227                 BIO_printf(bio, "(%s)\n",
1228                            ssl_trace_str(msg[msglen], ssl_handshake_tbl));
1229 # endif
1230             }
1231
1232             BIO_printf(bio, "  Content Type = %s (%d)\n  Length = %d",
1233                        ssl_trace_str(msg[0], ssl_content_tbl), msg[0],
1234                        msg[msglen - 2] << 8 | msg[msglen - 1]);
1235         }
1236         break;
1237     case SSL3_RT_HANDSHAKE:
1238         if (!ssl_print_handshake(bio, ssl, msg, msglen, 4))
1239             BIO_printf(bio, "Message length parse error!\n");
1240         break;
1241
1242     case SSL3_RT_CHANGE_CIPHER_SPEC:
1243         if (msglen == 1 && msg[0] == 1)
1244             BIO_puts(bio, "    change_cipher_spec (1)\n");
1245         else
1246             ssl_print_hex(bio, 4, "unknown value", msg, msglen);
1247         break;
1248
1249     case SSL3_RT_ALERT:
1250         if (msglen != 2)
1251             BIO_puts(bio, "    Illegal Alert Length\n");
1252         else {
1253             BIO_printf(bio, "    Level=%s(%d), description=%s(%d)\n",
1254                        SSL_alert_type_string_long(msg[0] << 8),
1255                        msg[0], SSL_alert_desc_string_long(msg[1]), msg[1]);
1256         }
1257     case TLS1_RT_HEARTBEAT:
1258         ssl_print_heartbeat(bio, 4, msg, msglen);
1259         break;
1260
1261     }
1262
1263     BIO_puts(bio, "\n");
1264 }
1265
1266 #endif