ssl/t1_trce.c

   1 /*
   2  * Copyright 2012-2016 The OpenSSL Project Authors. All Rights Reserved.
   3  *
   4  * Licensed under the OpenSSL license (the "License").  You may not use
   5  * this file except in compliance with the License.  You can obtain a copy
   6  * in the file LICENSE in the source distribution or at
   7  * https://www.openssl.org/source/license.html
   8  */
   9
  10 #include "ssl_locl.h"
  11
  12 #ifndef OPENSSL_NO_SSL_TRACE
  13
  14 /* Packet trace support for OpenSSL */
  15
  16 typedef struct {
  17     int num;
  18     const char *name;
  19 } ssl_trace_tbl;
  20
  21 # define ssl_trace_str(val, tbl) \
  22         do_ssl_trace_str(val, tbl, OSSL_NELEM(tbl))
  23
  24 # define ssl_trace_list(bio, indent, msg, msglen, value, table) \
  25         do_ssl_trace_list(bio, indent, msg, msglen, value, \
  26          table, OSSL_NELEM(table))
  27
  28 static const char *do_ssl_trace_str(int val, ssl_trace_tbl *tbl, size_t ntbl)
  29 {
  30     size_t i;
  31     for (i = 0; i < ntbl; i++, tbl++) {
  32         if (tbl->num == val)
  33             return tbl->name;
  34     }
  35     return "UNKNOWN";
  36 }
  37
  38 static int do_ssl_trace_list(BIO *bio, int indent,
  39                              const unsigned char *msg, size_t msglen,
  40                              size_t vlen, ssl_trace_tbl *tbl, size_t ntbl)
  41 {
  42     int val;
  43     if (msglen % vlen)
  44         return 0;
  45     while (msglen) {
  46         val = msg[0];
  47         if (vlen == 2)
  48             val = (val << 8) | msg[1];
  49         BIO_indent(bio, indent, 80);
  50         BIO_printf(bio, "%s (%d)\n", do_ssl_trace_str(val, tbl, ntbl), val);
  51         msg += vlen;
  52         msglen -= vlen;
  53     }
  54     return 1;
  55 }
  56
  57 /* Version number */
  58
  59 static ssl_trace_tbl ssl_version_tbl[] = {
  60     {SSL3_VERSION, "SSL 3.0"},
  61     {TLS1_VERSION, "TLS 1.0"},
  62     {TLS1_1_VERSION, "TLS 1.1"},
  63     {TLS1_2_VERSION, "TLS 1.2"},
  64     {TLS1_3_VERSION, "TLS 1.3"},
  65     /* TODO(TLS1.3): Remove this line before release */
  66     {TLS1_3_VERSION_DRAFT, TLS1_3_VERSION_DRAFT_TXT},
  67     {DTLS1_VERSION, "DTLS 1.0"},
  68     {DTLS1_2_VERSION, "DTLS 1.2"},
  69     {DTLS1_BAD_VER, "DTLS 1.0 (bad)"}
  70 };
  71
  72 static ssl_trace_tbl ssl_content_tbl[] = {
  73     {SSL3_RT_CHANGE_CIPHER_SPEC, "ChangeCipherSpec"},
  74     {SSL3_RT_ALERT, "Alert"},
  75     {SSL3_RT_HANDSHAKE, "Handshake"},
  76     {SSL3_RT_APPLICATION_DATA, "ApplicationData"},
  77 };
  78
  79 /* Handshake types */
  80 static ssl_trace_tbl ssl_handshake_tbl[] = {
  81     {SSL3_MT_HELLO_REQUEST, "HelloRequest"},
  82     {SSL3_MT_CLIENT_HELLO, "ClientHello"},
  83     {SSL3_MT_SERVER_HELLO, "ServerHello"},
  84     {DTLS1_MT_HELLO_VERIFY_REQUEST, "HelloVerifyRequest"},
  85     {SSL3_MT_NEWSESSION_TICKET, "NewSessionTicket"},
  86     {SSL3_MT_CERTIFICATE, "Certificate"},
  87     {SSL3_MT_SERVER_KEY_EXCHANGE, "ServerKeyExchange"},
  88     {SSL3_MT_CERTIFICATE_REQUEST, "CertificateRequest"},
  89     {SSL3_MT_CLIENT_KEY_EXCHANGE, "ClientKeyExchange"},
  90     {SSL3_MT_CERTIFICATE_STATUS, "CertificateStatus"},
  91     {SSL3_MT_SERVER_DONE, "ServerHelloDone"},
  92     {SSL3_MT_CERTIFICATE_VERIFY, "CertificateVerify"},
  93     {SSL3_MT_CLIENT_KEY_EXCHANGE, "ClientKeyExchange"},
  94     {SSL3_MT_FINISHED, "Finished"},
  95     {SSL3_MT_CERTIFICATE_STATUS, "CertificateStatus"}
  96 };
  97
  98 /* Cipher suites */
  99 static ssl_trace_tbl ssl_ciphers_tbl[] = {
 100     {0x0000, "SSL_NULL_WITH_NULL_NULL"},
 101     {0x0001, "SSL_RSA_WITH_NULL_MD5"},
 102     {0x0002, "SSL_RSA_WITH_NULL_SHA"},
 103     {0x0003, "SSL_RSA_EXPORT_WITH_RC4_40_MD5"},
 104     {0x0004, "SSL_RSA_WITH_RC4_128_MD5"},
 105     {0x0005, "SSL_RSA_WITH_RC4_128_SHA"},
 106     {0x0006, "SSL_RSA_EXPORT_WITH_RC2_CBC_40_MD5"},
 107     {0x0007, "SSL_RSA_WITH_IDEA_CBC_SHA"},
 108     {0x0008, "SSL_RSA_EXPORT_WITH_DES40_CBC_SHA"},
 109     {0x0009, "SSL_RSA_WITH_DES_CBC_SHA"},
 110     {0x000A, "SSL_RSA_WITH_3DES_EDE_CBC_SHA"},
 111     {0x000B, "SSL_DH_DSS_EXPORT_WITH_DES40_CBC_SHA"},
 112     {0x000C, "SSL_DH_DSS_WITH_DES_CBC_SHA"},
 113     {0x000D, "SSL_DH_DSS_WITH_3DES_EDE_CBC_SHA"},
 114     {0x000E, "SSL_DH_RSA_EXPORT_WITH_DES40_CBC_SHA"},
 115     {0x000F, "SSL_DH_RSA_WITH_DES_CBC_SHA"},
 116     {0x0010, "SSL_DH_RSA_WITH_3DES_EDE_CBC_SHA"},
 117     {0x0011, "SSL_DHE_DSS_EXPORT_WITH_DES40_CBC_SHA"},
 118     {0x0012, "SSL_DHE_DSS_WITH_DES_CBC_SHA"},
 119     {0x0013, "SSL_DHE_DSS_WITH_3DES_EDE_CBC_SHA"},
 120     {0x0014, "SSL_DHE_RSA_EXPORT_WITH_DES40_CBC_SHA"},
 121     {0x0015, "SSL_DHE_RSA_WITH_DES_CBC_SHA"},
 122     {0x0016, "SSL_DHE_RSA_WITH_3DES_EDE_CBC_SHA"},
 123     {0x0017, "SSL_DH_anon_EXPORT_WITH_RC4_40_MD5"},
 124     {0x0018, "SSL_DH_anon_WITH_RC4_128_MD5"},
 125     {0x0019, "SSL_DH_anon_EXPORT_WITH_DES40_CBC_SHA"},
 126     {0x001A, "SSL_DH_anon_WITH_DES_CBC_SHA"},
 127     {0x001B, "SSL_DH_anon_WITH_3DES_EDE_CBC_SHA"},
 128     {0x001D, "SSL_FORTEZZA_KEA_WITH_FORTEZZA_CBC_SHA"},
 129     {0x001E, "SSL_FORTEZZA_KEA_WITH_RC4_128_SHA"},
 130     {0x001F, "TLS_KRB5_WITH_3DES_EDE_CBC_SHA"},
 131     {0x0020, "TLS_KRB5_WITH_RC4_128_SHA"},
 132     {0x0021, "TLS_KRB5_WITH_IDEA_CBC_SHA"},
 133     {0x0022, "TLS_KRB5_WITH_DES_CBC_MD5"},
 134     {0x0023, "TLS_KRB5_WITH_3DES_EDE_CBC_MD5"},
 135     {0x0024, "TLS_KRB5_WITH_RC4_128_MD5"},
 136     {0x0025, "TLS_KRB5_WITH_IDEA_CBC_MD5"},
 137     {0x0026, "TLS_KRB5_EXPORT_WITH_DES_CBC_40_SHA"},
 138     {0x0027, "TLS_KRB5_EXPORT_WITH_RC2_CBC_40_SHA"},
 139     {0x0028, "TLS_KRB5_EXPORT_WITH_RC4_40_SHA"},
 140     {0x0029, "TLS_KRB5_EXPORT_WITH_DES_CBC_40_MD5"},
 141     {0x002A, "TLS_KRB5_EXPORT_WITH_RC2_CBC_40_MD5"},
 142     {0x002B, "TLS_KRB5_EXPORT_WITH_RC4_40_MD5"},
 143     {0x002C, "TLS_PSK_WITH_NULL_SHA"},
 144     {0x002D, "TLS_DHE_PSK_WITH_NULL_SHA"},
 145     {0x002E, "TLS_RSA_PSK_WITH_NULL_SHA"},
 146     {0x002F, "TLS_RSA_WITH_AES_128_CBC_SHA"},
 147     {0x0030, "TLS_DH_DSS_WITH_AES_128_CBC_SHA"},
 148     {0x0031, "TLS_DH_RSA_WITH_AES_128_CBC_SHA"},
 149     {0x0032, "TLS_DHE_DSS_WITH_AES_128_CBC_SHA"},
 150     {0x0033, "TLS_DHE_RSA_WITH_AES_128_CBC_SHA"},
 151     {0x0034, "TLS_DH_anon_WITH_AES_128_CBC_SHA"},
 152     {0x0035, "TLS_RSA_WITH_AES_256_CBC_SHA"},
 153     {0x0036, "TLS_DH_DSS_WITH_AES_256_CBC_SHA"},
 154     {0x0037, "TLS_DH_RSA_WITH_AES_256_CBC_SHA"},
 155     {0x0038, "TLS_DHE_DSS_WITH_AES_256_CBC_SHA"},
 156     {0x0039, "TLS_DHE_RSA_WITH_AES_256_CBC_SHA"},
 157     {0x003A, "TLS_DH_anon_WITH_AES_256_CBC_SHA"},
 158     {0x003B, "TLS_RSA_WITH_NULL_SHA256"},
 159     {0x003C, "TLS_RSA_WITH_AES_128_CBC_SHA256"},
 160     {0x003D, "TLS_RSA_WITH_AES_256_CBC_SHA256"},
 161     {0x003E, "TLS_DH_DSS_WITH_AES_128_CBC_SHA256"},
 162     {0x003F, "TLS_DH_RSA_WITH_AES_128_CBC_SHA256"},
 163     {0x0040, "TLS_DHE_DSS_WITH_AES_128_CBC_SHA256"},
 164     {0x0041, "TLS_RSA_WITH_CAMELLIA_128_CBC_SHA"},
 165     {0x0042, "TLS_DH_DSS_WITH_CAMELLIA_128_CBC_SHA"},
 166     {0x0043, "TLS_DH_RSA_WITH_CAMELLIA_128_CBC_SHA"},
 167     {0x0044, "TLS_DHE_DSS_WITH_CAMELLIA_128_CBC_SHA"},
 168     {0x0045, "TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA"},
 169     {0x0046, "TLS_DH_anon_WITH_CAMELLIA_128_CBC_SHA"},
 170     {0x0067, "TLS_DHE_RSA_WITH_AES_128_CBC_SHA256"},
 171     {0x0068, "TLS_DH_DSS_WITH_AES_256_CBC_SHA256"},
 172     {0x0069, "TLS_DH_RSA_WITH_AES_256_CBC_SHA256"},
 173     {0x006A, "TLS_DHE_DSS_WITH_AES_256_CBC_SHA256"},
 174     {0x006B, "TLS_DHE_RSA_WITH_AES_256_CBC_SHA256"},
 175     {0x006C, "TLS_DH_anon_WITH_AES_128_CBC_SHA256"},
 176     {0x006D, "TLS_DH_anon_WITH_AES_256_CBC_SHA256"},
 177     {0x0084, "TLS_RSA_WITH_CAMELLIA_256_CBC_SHA"},
 178     {0x0085, "TLS_DH_DSS_WITH_CAMELLIA_256_CBC_SHA"},
 179     {0x0086, "TLS_DH_RSA_WITH_CAMELLIA_256_CBC_SHA"},
 180     {0x0087, "TLS_DHE_DSS_WITH_CAMELLIA_256_CBC_SHA"},
 181     {0x0088, "TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA"},
 182     {0x0089, "TLS_DH_anon_WITH_CAMELLIA_256_CBC_SHA"},
 183     {0x008A, "TLS_PSK_WITH_RC4_128_SHA"},
 184     {0x008B, "TLS_PSK_WITH_3DES_EDE_CBC_SHA"},
 185     {0x008C, "TLS_PSK_WITH_AES_128_CBC_SHA"},
 186     {0x008D, "TLS_PSK_WITH_AES_256_CBC_SHA"},
 187     {0x008E, "TLS_DHE_PSK_WITH_RC4_128_SHA"},
 188     {0x008F, "TLS_DHE_PSK_WITH_3DES_EDE_CBC_SHA"},
 189     {0x0090, "TLS_DHE_PSK_WITH_AES_128_CBC_SHA"},
 190     {0x0091, "TLS_DHE_PSK_WITH_AES_256_CBC_SHA"},
 191     {0x0092, "TLS_RSA_PSK_WITH_RC4_128_SHA"},
 192     {0x0093, "TLS_RSA_PSK_WITH_3DES_EDE_CBC_SHA"},
 193     {0x0094, "TLS_RSA_PSK_WITH_AES_128_CBC_SHA"},
 194     {0x0095, "TLS_RSA_PSK_WITH_AES_256_CBC_SHA"},
 195     {0x0096, "TLS_RSA_WITH_SEED_CBC_SHA"},
 196     {0x0097, "TLS_DH_DSS_WITH_SEED_CBC_SHA"},
 197     {0x0098, "TLS_DH_RSA_WITH_SEED_CBC_SHA"},
 198     {0x0099, "TLS_DHE_DSS_WITH_SEED_CBC_SHA"},
 199     {0x009A, "TLS_DHE_RSA_WITH_SEED_CBC_SHA"},
 200     {0x009B, "TLS_DH_anon_WITH_SEED_CBC_SHA"},
 201     {0x009C, "TLS_RSA_WITH_AES_128_GCM_SHA256"},
 202     {0x009D, "TLS_RSA_WITH_AES_256_GCM_SHA384"},
 203     {0x009E, "TLS_DHE_RSA_WITH_AES_128_GCM_SHA256"},
 204     {0x009F, "TLS_DHE_RSA_WITH_AES_256_GCM_SHA384"},
 205     {0x00A0, "TLS_DH_RSA_WITH_AES_128_GCM_SHA256"},
 206     {0x00A1, "TLS_DH_RSA_WITH_AES_256_GCM_SHA384"},
 207     {0x00A2, "TLS_DHE_DSS_WITH_AES_128_GCM_SHA256"},
 208     {0x00A3, "TLS_DHE_DSS_WITH_AES_256_GCM_SHA384"},
 209     {0x00A4, "TLS_DH_DSS_WITH_AES_128_GCM_SHA256"},
 210     {0x00A5, "TLS_DH_DSS_WITH_AES_256_GCM_SHA384"},
 211     {0x00A6, "TLS_DH_anon_WITH_AES_128_GCM_SHA256"},
 212     {0x00A7, "TLS_DH_anon_WITH_AES_256_GCM_SHA384"},
 213     {0x00A8, "TLS_PSK_WITH_AES_128_GCM_SHA256"},
 214     {0x00A9, "TLS_PSK_WITH_AES_256_GCM_SHA384"},
 215     {0x00AA, "TLS_DHE_PSK_WITH_AES_128_GCM_SHA256"},
 216     {0x00AB, "TLS_DHE_PSK_WITH_AES_256_GCM_SHA384"},
 217     {0x00AC, "TLS_RSA_PSK_WITH_AES_128_GCM_SHA256"},
 218     {0x00AD, "TLS_RSA_PSK_WITH_AES_256_GCM_SHA384"},
 219     {0x00AE, "TLS_PSK_WITH_AES_128_CBC_SHA256"},
 220     {0x00AF, "TLS_PSK_WITH_AES_256_CBC_SHA384"},
 221     {0x00B0, "TLS_PSK_WITH_NULL_SHA256"},
 222     {0x00B1, "TLS_PSK_WITH_NULL_SHA384"},
 223     {0x00B2, "TLS_DHE_PSK_WITH_AES_128_CBC_SHA256"},
 224     {0x00B3, "TLS_DHE_PSK_WITH_AES_256_CBC_SHA384"},
 225     {0x00B4, "TLS_DHE_PSK_WITH_NULL_SHA256"},
 226     {0x00B5, "TLS_DHE_PSK_WITH_NULL_SHA384"},
 227     {0x00B6, "TLS_RSA_PSK_WITH_AES_128_CBC_SHA256"},
 228     {0x00B7, "TLS_RSA_PSK_WITH_AES_256_CBC_SHA384"},
 229     {0x00B8, "TLS_RSA_PSK_WITH_NULL_SHA256"},
 230     {0x00B9, "TLS_RSA_PSK_WITH_NULL_SHA384"},
 231     {0x00BA, "TLS_RSA_WITH_CAMELLIA_128_CBC_SHA256"},
 232     {0x00BB, "TLS_DH_DSS_WITH_CAMELLIA_128_CBC_SHA256"},
 233     {0x00BC, "TLS_DH_RSA_WITH_CAMELLIA_128_CBC_SHA256"},
 234     {0x00BD, "TLS_DHE_DSS_WITH_CAMELLIA_128_CBC_SHA256"},
 235     {0x00BE, "TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA256"},
 236     {0x00BF, "TLS_DH_anon_WITH_CAMELLIA_128_CBC_SHA256"},
 237     {0x00C0, "TLS_RSA_WITH_CAMELLIA_256_CBC_SHA256"},
 238     {0x00C1, "TLS_DH_DSS_WITH_CAMELLIA_256_CBC_SHA256"},
 239     {0x00C2, "TLS_DH_RSA_WITH_CAMELLIA_256_CBC_SHA256"},
 240     {0x00C3, "TLS_DHE_DSS_WITH_CAMELLIA_256_CBC_SHA256"},
 241     {0x00C4, "TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA256"},
 242     {0x00C5, "TLS_DH_anon_WITH_CAMELLIA_256_CBC_SHA256"},
 243     {0x00FF, "TLS_EMPTY_RENEGOTIATION_INFO_SCSV"},
 244     {0x5600, "TLS_FALLBACK_SCSV"},
 245     {0xC001, "TLS_ECDH_ECDSA_WITH_NULL_SHA"},
 246     {0xC002, "TLS_ECDH_ECDSA_WITH_RC4_128_SHA"},
 247     {0xC003, "TLS_ECDH_ECDSA_WITH_3DES_EDE_CBC_SHA"},
 248     {0xC004, "TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA"},
 249     {0xC005, "TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA"},
 250     {0xC006, "TLS_ECDHE_ECDSA_WITH_NULL_SHA"},
 251     {0xC007, "TLS_ECDHE_ECDSA_WITH_RC4_128_SHA"},
 252     {0xC008, "TLS_ECDHE_ECDSA_WITH_3DES_EDE_CBC_SHA"},
 253     {0xC009, "TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA"},
 254     {0xC00A, "TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA"},
 255     {0xC00B, "TLS_ECDH_RSA_WITH_NULL_SHA"},
 256     {0xC00C, "TLS_ECDH_RSA_WITH_RC4_128_SHA"},
 257     {0xC00D, "TLS_ECDH_RSA_WITH_3DES_EDE_CBC_SHA"},
 258     {0xC00E, "TLS_ECDH_RSA_WITH_AES_128_CBC_SHA"},
 259     {0xC00F, "TLS_ECDH_RSA_WITH_AES_256_CBC_SHA"},
 260     {0xC010, "TLS_ECDHE_RSA_WITH_NULL_SHA"},
 261     {0xC011, "TLS_ECDHE_RSA_WITH_RC4_128_SHA"},
 262     {0xC012, "TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA"},
 263     {0xC013, "TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA"},
 264     {0xC014, "TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA"},
 265     {0xC015, "TLS_ECDH_anon_WITH_NULL_SHA"},
 266     {0xC016, "TLS_ECDH_anon_WITH_RC4_128_SHA"},
 267     {0xC017, "TLS_ECDH_anon_WITH_3DES_EDE_CBC_SHA"},
 268     {0xC018, "TLS_ECDH_anon_WITH_AES_128_CBC_SHA"},
 269     {0xC019, "TLS_ECDH_anon_WITH_AES_256_CBC_SHA"},
 270     {0xC01A, "TLS_SRP_SHA_WITH_3DES_EDE_CBC_SHA"},
 271     {0xC01B, "TLS_SRP_SHA_RSA_WITH_3DES_EDE_CBC_SHA"},
 272     {0xC01C, "TLS_SRP_SHA_DSS_WITH_3DES_EDE_CBC_SHA"},
 273     {0xC01D, "TLS_SRP_SHA_WITH_AES_128_CBC_SHA"},
 274     {0xC01E, "TLS_SRP_SHA_RSA_WITH_AES_128_CBC_SHA"},
 275     {0xC01F, "TLS_SRP_SHA_DSS_WITH_AES_128_CBC_SHA"},
 276     {0xC020, "TLS_SRP_SHA_WITH_AES_256_CBC_SHA"},
 277     {0xC021, "TLS_SRP_SHA_RSA_WITH_AES_256_CBC_SHA"},
 278     {0xC022, "TLS_SRP_SHA_DSS_WITH_AES_256_CBC_SHA"},
 279     {0xC023, "TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256"},
 280     {0xC024, "TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384"},
 281     {0xC025, "TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA256"},
 282     {0xC026, "TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA384"},
 283     {0xC027, "TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256"},
 284     {0xC028, "TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384"},
 285     {0xC029, "TLS_ECDH_RSA_WITH_AES_128_CBC_SHA256"},
 286     {0xC02A, "TLS_ECDH_RSA_WITH_AES_256_CBC_SHA384"},
 287     {0xC02B, "TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256"},
 288     {0xC02C, "TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384"},
 289     {0xC02D, "TLS_ECDH_ECDSA_WITH_AES_128_GCM_SHA256"},
 290     {0xC02E, "TLS_ECDH_ECDSA_WITH_AES_256_GCM_SHA384"},
 291     {0xC02F, "TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256"},
 292     {0xC030, "TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384"},
 293     {0xC031, "TLS_ECDH_RSA_WITH_AES_128_GCM_SHA256"},
 294     {0xC032, "TLS_ECDH_RSA_WITH_AES_256_GCM_SHA384"},
 295     {0xC033, "TLS_ECDHE_PSK_WITH_RC4_128_SHA"},
 296     {0xC034, "TLS_ECDHE_PSK_WITH_3DES_EDE_CBC_SHA"},
 297     {0xC035, "TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA"},
 298     {0xC036, "TLS_ECDHE_PSK_WITH_AES_256_CBC_SHA"},
 299     {0xC037, "TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA256"},
 300     {0xC038, "TLS_ECDHE_PSK_WITH_AES_256_CBC_SHA384"},
 301     {0xC039, "TLS_ECDHE_PSK_WITH_NULL_SHA"},
 302     {0xC03A, "TLS_ECDHE_PSK_WITH_NULL_SHA256"},
 303     {0xC03B, "TLS_ECDHE_PSK_WITH_NULL_SHA384"},
 304     {0xC03C, "TLS_RSA_WITH_ARIA_128_CBC_SHA256"},
 305     {0xC03D, "TLS_RSA_WITH_ARIA_256_CBC_SHA384"},
 306     {0xC03E, "TLS_DH_DSS_WITH_ARIA_128_CBC_SHA256"},
 307     {0xC03F, "TLS_DH_DSS_WITH_ARIA_256_CBC_SHA384"},
 308     {0xC040, "TLS_DH_RSA_WITH_ARIA_128_CBC_SHA256"},
 309     {0xC041, "TLS_DH_RSA_WITH_ARIA_256_CBC_SHA384"},
 310     {0xC042, "TLS_DHE_DSS_WITH_ARIA_128_CBC_SHA256"},
 311     {0xC043, "TLS_DHE_DSS_WITH_ARIA_256_CBC_SHA384"},
 312     {0xC044, "TLS_DHE_RSA_WITH_ARIA_128_CBC_SHA256"},
 313     {0xC045, "TLS_DHE_RSA_WITH_ARIA_256_CBC_SHA384"},
 314     {0xC046, "TLS_DH_anon_WITH_ARIA_128_CBC_SHA256"},
 315     {0xC047, "TLS_DH_anon_WITH_ARIA_256_CBC_SHA384"},
 316     {0xC048, "TLS_ECDHE_ECDSA_WITH_ARIA_128_CBC_SHA256"},
 317     {0xC049, "TLS_ECDHE_ECDSA_WITH_ARIA_256_CBC_SHA384"},
 318     {0xC04A, "TLS_ECDH_ECDSA_WITH_ARIA_128_CBC_SHA256"},
 319     {0xC04B, "TLS_ECDH_ECDSA_WITH_ARIA_256_CBC_SHA384"},
 320     {0xC04C, "TLS_ECDHE_RSA_WITH_ARIA_128_CBC_SHA256"},
 321     {0xC04D, "TLS_ECDHE_RSA_WITH_ARIA_256_CBC_SHA384"},
 322     {0xC04E, "TLS_ECDH_RSA_WITH_ARIA_128_CBC_SHA256"},
 323     {0xC04F, "TLS_ECDH_RSA_WITH_ARIA_256_CBC_SHA384"},
 324     {0xC050, "TLS_RSA_WITH_ARIA_128_GCM_SHA256"},
 325     {0xC051, "TLS_RSA_WITH_ARIA_256_GCM_SHA384"},
 326     {0xC052, "TLS_DHE_RSA_WITH_ARIA_128_GCM_SHA256"},
 327     {0xC053, "TLS_DHE_RSA_WITH_ARIA_256_GCM_SHA384"},
 328     {0xC054, "TLS_DH_RSA_WITH_ARIA_128_GCM_SHA256"},
 329     {0xC055, "TLS_DH_RSA_WITH_ARIA_256_GCM_SHA384"},
 330     {0xC056, "TLS_DHE_DSS_WITH_ARIA_128_GCM_SHA256"},
 331     {0xC057, "TLS_DHE_DSS_WITH_ARIA_256_GCM_SHA384"},
 332     {0xC058, "TLS_DH_DSS_WITH_ARIA_128_GCM_SHA256"},
 333     {0xC059, "TLS_DH_DSS_WITH_ARIA_256_GCM_SHA384"},
 334     {0xC05A, "TLS_DH_anon_WITH_ARIA_128_GCM_SHA256"},
 335     {0xC05B, "TLS_DH_anon_WITH_ARIA_256_GCM_SHA384"},
 336     {0xC05C, "TLS_ECDHE_ECDSA_WITH_ARIA_128_GCM_SHA256"},
 337     {0xC05D, "TLS_ECDHE_ECDSA_WITH_ARIA_256_GCM_SHA384"},
 338     {0xC05E, "TLS_ECDH_ECDSA_WITH_ARIA_128_GCM_SHA256"},
 339     {0xC05F, "TLS_ECDH_ECDSA_WITH_ARIA_256_GCM_SHA384"},
 340     {0xC060, "TLS_ECDHE_RSA_WITH_ARIA_128_GCM_SHA256"},
 341     {0xC061, "TLS_ECDHE_RSA_WITH_ARIA_256_GCM_SHA384"},
 342     {0xC062, "TLS_ECDH_RSA_WITH_ARIA_128_GCM_SHA256"},
 343     {0xC063, "TLS_ECDH_RSA_WITH_ARIA_256_GCM_SHA384"},
 344     {0xC064, "TLS_PSK_WITH_ARIA_128_CBC_SHA256"},
 345     {0xC065, "TLS_PSK_WITH_ARIA_256_CBC_SHA384"},
 346     {0xC066, "TLS_DHE_PSK_WITH_ARIA_128_CBC_SHA256"},
 347     {0xC067, "TLS_DHE_PSK_WITH_ARIA_256_CBC_SHA384"},
 348     {0xC068, "TLS_RSA_PSK_WITH_ARIA_128_CBC_SHA256"},
 349     {0xC069, "TLS_RSA_PSK_WITH_ARIA_256_CBC_SHA384"},
 350     {0xC06A, "TLS_PSK_WITH_ARIA_128_GCM_SHA256"},
 351     {0xC06B, "TLS_PSK_WITH_ARIA_256_GCM_SHA384"},
 352     {0xC06C, "TLS_DHE_PSK_WITH_ARIA_128_GCM_SHA256"},
 353     {0xC06D, "TLS_DHE_PSK_WITH_ARIA_256_GCM_SHA384"},
 354     {0xC06E, "TLS_RSA_PSK_WITH_ARIA_128_GCM_SHA256"},
 355     {0xC06F, "TLS_RSA_PSK_WITH_ARIA_256_GCM_SHA384"},
 356     {0xC070, "TLS_ECDHE_PSK_WITH_ARIA_128_CBC_SHA256"},
 357     {0xC071, "TLS_ECDHE_PSK_WITH_ARIA_256_CBC_SHA384"},
 358     {0xC072, "TLS_ECDHE_ECDSA_WITH_CAMELLIA_128_CBC_SHA256"},
 359     {0xC073, "TLS_ECDHE_ECDSA_WITH_CAMELLIA_256_CBC_SHA384"},
 360     {0xC074, "TLS_ECDH_ECDSA_WITH_CAMELLIA_128_CBC_SHA256"},
 361     {0xC075, "TLS_ECDH_ECDSA_WITH_CAMELLIA_256_CBC_SHA384"},
 362     {0xC076, "TLS_ECDHE_RSA_WITH_CAMELLIA_128_CBC_SHA256"},
 363     {0xC077, "TLS_ECDHE_RSA_WITH_CAMELLIA_256_CBC_SHA384"},
 364     {0xC078, "TLS_ECDH_RSA_WITH_CAMELLIA_128_CBC_SHA256"},
 365     {0xC079, "TLS_ECDH_RSA_WITH_CAMELLIA_256_CBC_SHA384"},
 366     {0xC07A, "TLS_RSA_WITH_CAMELLIA_128_GCM_SHA256"},
 367     {0xC07B, "TLS_RSA_WITH_CAMELLIA_256_GCM_SHA384"},
 368     {0xC07C, "TLS_DHE_RSA_WITH_CAMELLIA_128_GCM_SHA256"},
 369     {0xC07D, "TLS_DHE_RSA_WITH_CAMELLIA_256_GCM_SHA384"},
 370     {0xC07E, "TLS_DH_RSA_WITH_CAMELLIA_128_GCM_SHA256"},
 371     {0xC07F, "TLS_DH_RSA_WITH_CAMELLIA_256_GCM_SHA384"},
 372     {0xC080, "TLS_DHE_DSS_WITH_CAMELLIA_128_GCM_SHA256"},
 373     {0xC081, "TLS_DHE_DSS_WITH_CAMELLIA_256_GCM_SHA384"},
 374     {0xC082, "TLS_DH_DSS_WITH_CAMELLIA_128_GCM_SHA256"},
 375     {0xC083, "TLS_DH_DSS_WITH_CAMELLIA_256_GCM_SHA384"},
 376     {0xC084, "TLS_DH_anon_WITH_CAMELLIA_128_GCM_SHA256"},
 377     {0xC085, "TLS_DH_anon_WITH_CAMELLIA_256_GCM_SHA384"},
 378     {0xC086, "TLS_ECDHE_ECDSA_WITH_CAMELLIA_128_GCM_SHA256"},
 379     {0xC087, "TLS_ECDHE_ECDSA_WITH_CAMELLIA_256_GCM_SHA384"},
 380     {0xC088, "TLS_ECDH_ECDSA_WITH_CAMELLIA_128_GCM_SHA256"},
 381     {0xC089, "TLS_ECDH_ECDSA_WITH_CAMELLIA_256_GCM_SHA384"},
 382     {0xC08A, "TLS_ECDHE_RSA_WITH_CAMELLIA_128_GCM_SHA256"},
 383     {0xC08B, "TLS_ECDHE_RSA_WITH_CAMELLIA_256_GCM_SHA384"},
 384     {0xC08C, "TLS_ECDH_RSA_WITH_CAMELLIA_128_GCM_SHA256"},
 385     {0xC08D, "TLS_ECDH_RSA_WITH_CAMELLIA_256_GCM_SHA384"},
 386     {0xC08E, "TLS_PSK_WITH_CAMELLIA_128_GCM_SHA256"},
 387     {0xC08F, "TLS_PSK_WITH_CAMELLIA_256_GCM_SHA384"},
 388     {0xC090, "TLS_DHE_PSK_WITH_CAMELLIA_128_GCM_SHA256"},
 389     {0xC091, "TLS_DHE_PSK_WITH_CAMELLIA_256_GCM_SHA384"},
 390     {0xC092, "TLS_RSA_PSK_WITH_CAMELLIA_128_GCM_SHA256"},
 391     {0xC093, "TLS_RSA_PSK_WITH_CAMELLIA_256_GCM_SHA384"},
 392     {0xC094, "TLS_PSK_WITH_CAMELLIA_128_CBC_SHA256"},
 393     {0xC095, "TLS_PSK_WITH_CAMELLIA_256_CBC_SHA384"},
 394     {0xC096, "TLS_DHE_PSK_WITH_CAMELLIA_128_CBC_SHA256"},
 395     {0xC097, "TLS_DHE_PSK_WITH_CAMELLIA_256_CBC_SHA384"},
 396     {0xC098, "TLS_RSA_PSK_WITH_CAMELLIA_128_CBC_SHA256"},
 397     {0xC099, "TLS_RSA_PSK_WITH_CAMELLIA_256_CBC_SHA384"},
 398     {0xC09A, "TLS_ECDHE_PSK_WITH_CAMELLIA_128_CBC_SHA256"},
 399     {0xC09B, "TLS_ECDHE_PSK_WITH_CAMELLIA_256_CBC_SHA384"},
 400     {0xC09C, "TLS_RSA_WITH_AES_128_CCM"},
 401     {0xC09D, "TLS_RSA_WITH_AES_256_CCM"},
 402     {0xC09E, "TLS_DHE_RSA_WITH_AES_128_CCM"},
 403     {0xC09F, "TLS_DHE_RSA_WITH_AES_256_CCM"},
 404     {0xC0A0, "TLS_RSA_WITH_AES_128_CCM_8"},
 405     {0xC0A1, "TLS_RSA_WITH_AES_256_CCM_8"},
 406     {0xC0A2, "TLS_DHE_RSA_WITH_AES_128_CCM_8"},
 407     {0xC0A3, "TLS_DHE_RSA_WITH_AES_256_CCM_8"},
 408     {0xC0A4, "TLS_PSK_WITH_AES_128_CCM"},
 409     {0xC0A5, "TLS_PSK_WITH_AES_256_CCM"},
 410     {0xC0A6, "TLS_DHE_PSK_WITH_AES_128_CCM"},
 411     {0xC0A7, "TLS_DHE_PSK_WITH_AES_256_CCM"},
 412     {0xC0A8, "TLS_PSK_WITH_AES_128_CCM_8"},
 413     {0xC0A9, "TLS_PSK_WITH_AES_256_CCM_8"},
 414     {0xC0AA, "TLS_PSK_DHE_WITH_AES_128_CCM_8"},
 415     {0xC0AB, "TLS_PSK_DHE_WITH_AES_256_CCM_8"},
 416     {0xC0AC, "TLS_ECDHE_ECDSA_WITH_AES_128_CCM"},
 417     {0xC0AD, "TLS_ECDHE_ECDSA_WITH_AES_256_CCM"},
 418     {0xC0AE, "TLS_ECDHE_ECDSA_WITH_AES_128_CCM_8"},
 419     {0xC0AF, "TLS_ECDHE_ECDSA_WITH_AES_256_CCM_8"},
 420     {0xCCA8, "TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305"},
 421     {0xCCA9, "TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305"},
 422     {0xCCAA, "TLS_DHE_RSA_WITH_CHACHA20_POLY1305"},
 423     {0xCCAB, "TLS_PSK_WITH_CHACHA20_POLY1305"},
 424     {0xCCAC, "TLS_ECDHE_PSK_WITH_CHACHA20_POLY1305"},
 425     {0xCCAD, "TLS_DHE_PSK_WITH_CHACHA20_POLY1305"},
 426     {0xCCAE, "TLS_RSA_PSK_WITH_CHACHA20_POLY1305"},
 427     {0x1301, "TLS_AES_128_GCM_SHA256"},
 428     {0xFEFE, "SSL_RSA_FIPS_WITH_DES_CBC_SHA"},
 429     {0xFEFF, "SSL_RSA_FIPS_WITH_3DES_EDE_CBC_SHA"},
 430 };
 431
 432 /* Compression methods */
 433 static ssl_trace_tbl ssl_comp_tbl[] = {
 434     {0x0000, "No Compression"},
 435     {0x0001, "Zlib Compression"}
 436 };
 437
 438 /* Extensions */
 439 static ssl_trace_tbl ssl_exts_tbl[] = {
 440     {TLSEXT_TYPE_server_name, "server_name"},
 441     {TLSEXT_TYPE_max_fragment_length, "max_fragment_length"},
 442     {TLSEXT_TYPE_client_certificate_url, "client_certificate_url"},
 443     {TLSEXT_TYPE_trusted_ca_keys, "trusted_ca_keys"},
 444     {TLSEXT_TYPE_truncated_hmac, "truncated_hmac"},
 445     {TLSEXT_TYPE_status_request, "status_request"},
 446     {TLSEXT_TYPE_user_mapping, "user_mapping"},
 447     {TLSEXT_TYPE_client_authz, "client_authz"},
 448     {TLSEXT_TYPE_server_authz, "server_authz"},
 449     {TLSEXT_TYPE_cert_type, "cert_type"},
 450     {TLSEXT_TYPE_key_share, "key_share"},
 451     {TLSEXT_TYPE_supported_groups, "supported_groups"},
 452     {TLSEXT_TYPE_ec_point_formats, "ec_point_formats"},
 453     {TLSEXT_TYPE_srp, "srp"},
 454     {TLSEXT_TYPE_signature_algorithms, "signature_algorithms"},
 455     {TLSEXT_TYPE_use_srtp, "use_srtp"},
 456     {TLSEXT_TYPE_session_ticket, "session_ticket"},
 457     {TLSEXT_TYPE_supported_versions, "supported_versions"},
 458     {TLSEXT_TYPE_renegotiate, "renegotiate"},
 459 # ifndef OPENSSL_NO_NEXTPROTONEG
 460     {TLSEXT_TYPE_next_proto_neg, "next_proto_neg"},
 461 # endif
 462     {TLSEXT_TYPE_signed_certificate_timestamp, "signed_certificate_timestamps"},
 463     {TLSEXT_TYPE_padding, "padding"},
 464     {TLSEXT_TYPE_encrypt_then_mac, "encrypt_then_mac"},
 465     {TLSEXT_TYPE_extended_master_secret, "extended_master_secret"}
 466 };
 467
 468 static ssl_trace_tbl ssl_groups_tbl[] = {
 469     {1, "sect163k1 (K-163)"},
 470     {2, "sect163r1"},
 471     {3, "sect163r2 (B-163)"},
 472     {4, "sect193r1"},
 473     {5, "sect193r2"},
 474     {6, "sect233k1 (K-233)"},
 475     {7, "sect233r1 (B-233)"},
 476     {8, "sect239k1"},
 477     {9, "sect283k1 (K-283)"},
 478     {10, "sect283r1 (B-283)"},
 479     {11, "sect409k1 (K-409)"},
 480     {12, "sect409r1 (B-409)"},
 481     {13, "sect571k1 (K-571)"},
 482     {14, "sect571r1 (B-571)"},
 483     {15, "secp160k1"},
 484     {16, "secp160r1"},
 485     {17, "secp160r2"},
 486     {18, "secp192k1"},
 487     {19, "secp192r1 (P-192)"},
 488     {20, "secp224k1"},
 489     {21, "secp224r1 (P-224)"},
 490     {22, "secp256k1"},
 491     {23, "secp256r1 (P-256)"},
 492     {24, "secp384r1 (P-384)"},
 493     {25, "secp521r1 (P-521)"},
 494     {26, "brainpoolP256r1"},
 495     {27, "brainpoolP384r1"},
 496     {28, "brainpoolP512r1"},
 497     {29, "ecdh_x25519"},
 498     {0xFF01, "arbitrary_explicit_prime_curves"},
 499     {0xFF02, "arbitrary_explicit_char2_curves"}
 500 };
 501
 502 static ssl_trace_tbl ssl_point_tbl[] = {
 503     {0, "uncompressed"},
 504     {1, "ansiX962_compressed_prime"},
 505     {2, "ansiX962_compressed_char2"}
 506 };
 507
 508 static ssl_trace_tbl ssl_md_tbl[] = {
 509     {TLSEXT_hash_none, "none"},
 510     {TLSEXT_hash_md5, "md5"},
 511     {TLSEXT_hash_sha1, "sha1"},
 512     {TLSEXT_hash_sha224, "sha224"},
 513     {TLSEXT_hash_sha256, "sha256"},
 514     {TLSEXT_hash_sha384, "sha384"},
 515     {TLSEXT_hash_sha512, "sha512"},
 516     {TLSEXT_hash_gostr3411, "md_gost94"},
 517     {TLSEXT_hash_gostr34112012_256, "md_gost2012_256"},
 518     {TLSEXT_hash_gostr34112012_512, "md_gost2012_512"}
 519 };
 520
 521 static ssl_trace_tbl ssl_sig_tbl[] = {
 522     {TLSEXT_signature_anonymous, "anonymous"},
 523     {TLSEXT_signature_rsa, "rsa"},
 524     {TLSEXT_signature_dsa, "dsa"},
 525     {TLSEXT_signature_ecdsa, "ecdsa"},
 526     {TLSEXT_signature_gostr34102001, "gost2001"},
 527     {TLSEXT_signature_gostr34102012_256, "gost2012_256"},
 528     {TLSEXT_signature_gostr34102012_512, "gost2012_512"}
 529 };
 530
 531 static ssl_trace_tbl ssl_hb_tbl[] = {
 532     {1, "peer_allowed_to_send"},
 533     {2, "peer_not_allowed_to_send"}
 534 };
 535
 536 static ssl_trace_tbl ssl_ctype_tbl[] = {
 537     {1, "rsa_sign"},
 538     {2, "dss_sign"},
 539     {3, "rsa_fixed_dh"},
 540     {4, "dss_fixed_dh"},
 541     {5, "rsa_ephemeral_dh"},
 542     {6, "dss_ephemeral_dh"},
 543     {20, "fortezza_dms"},
 544     {64, "ecdsa_sign"},
 545     {65, "rsa_fixed_ecdh"},
 546     {66, "ecdsa_fixed_ecdh"}
 547 };
 548
 549 static ssl_trace_tbl ssl_crypto_tbl[] = {
 550     {TLS1_RT_CRYPTO_PREMASTER, "Premaster Secret"},
 551     {TLS1_RT_CRYPTO_CLIENT_RANDOM, "Client Random"},
 552     {TLS1_RT_CRYPTO_SERVER_RANDOM, "Server Random"},
 553     {TLS1_RT_CRYPTO_MASTER, "Master Secret"},
 554     {TLS1_RT_CRYPTO_MAC | TLS1_RT_CRYPTO_WRITE, "Write Mac Secret"},
 555     {TLS1_RT_CRYPTO_MAC | TLS1_RT_CRYPTO_READ, "Read Mac Secret"},
 556     {TLS1_RT_CRYPTO_KEY | TLS1_RT_CRYPTO_WRITE, "Write Key"},
 557     {TLS1_RT_CRYPTO_KEY | TLS1_RT_CRYPTO_READ, "Read Key"},
 558     {TLS1_RT_CRYPTO_IV | TLS1_RT_CRYPTO_WRITE, "Write IV"},
 559     {TLS1_RT_CRYPTO_IV | TLS1_RT_CRYPTO_READ, "Read IV"},
 560     {TLS1_RT_CRYPTO_FIXED_IV | TLS1_RT_CRYPTO_WRITE, "Write IV (fixed part)"},
 561     {TLS1_RT_CRYPTO_FIXED_IV | TLS1_RT_CRYPTO_READ, "Read IV (fixed part)"}
 562 };
 563
 564 static void ssl_print_hex(BIO *bio, int indent, const char *name,
 565                           const unsigned char *msg, size_t msglen)
 566 {
 567     size_t i;
 568     BIO_indent(bio, indent, 80);
 569     BIO_printf(bio, "%s (len=%d): ", name, (int)msglen);
 570     for (i = 0; i < msglen; i++)
 571         BIO_printf(bio, "%02X", msg[i]);
 572     BIO_puts(bio, "\n");
 573 }
 574
 575 static int ssl_print_hexbuf(BIO *bio, int indent,
 576                             const char *name, size_t nlen,
 577                             const unsigned char **pmsg, size_t *pmsglen)
 578 {
 579     size_t blen;
 580     const unsigned char *p = *pmsg;
 581     if (*pmsglen < nlen)
 582         return 0;
 583     blen = p[0];
 584     if (nlen > 1)
 585         blen = (blen << 8) | p[1];
 586     if (*pmsglen < nlen + blen)
 587         return 0;
 588     p += nlen;
 589     ssl_print_hex(bio, indent, name, p, blen);
 590     *pmsg += blen + nlen;
 591     *pmsglen -= blen + nlen;
 592     return 1;
 593 }
 594
 595 static int ssl_print_version(BIO *bio, int indent, const char *name,
 596                              const unsigned char **pmsg, size_t *pmsglen)
 597 {
 598     int vers;
 599     if (*pmsglen < 2)
 600         return 0;
 601     vers = ((*pmsg)[0] << 8) | (*pmsg)[1];
 602     BIO_indent(bio, indent, 80);
 603     BIO_printf(bio, "%s=0x%x (%s)\n",
 604                name, vers, ssl_trace_str(vers, ssl_version_tbl));
 605     *pmsg += 2;
 606     *pmsglen -= 2;
 607     return 1;
 608 }
 609
 610 static int ssl_print_random(BIO *bio, int indent,
 611                             const unsigned char **pmsg, size_t *pmsglen)
 612 {
 613     unsigned int tm;
 614     const unsigned char *p = *pmsg;
 615     if (*pmsglen < 32)
 616         return 0;
 617     tm = (p[0] << 24) | (p[1] << 16) | (p[2] << 8) | p[3];
 618     p += 4;
 619     BIO_indent(bio, indent, 80);
 620     BIO_puts(bio, "Random:\n");
 621     BIO_indent(bio, indent + 2, 80);
 622     BIO_printf(bio, "gmt_unix_time=0x%08X\n", tm);
 623     ssl_print_hex(bio, indent + 2, "random_bytes", p, 28);
 624     *pmsg += 32;
 625     *pmsglen -= 32;
 626     return 1;
 627 }
 628
 629 static int ssl_print_signature(BIO *bio, int indent, SSL *s,
 630                                const unsigned char **pmsg, size_t *pmsglen)
 631 {
 632     if (*pmsglen < 2)
 633         return 0;
 634     if (SSL_USE_SIGALGS(s)) {
 635         const unsigned char *p = *pmsg;
 636         BIO_indent(bio, indent, 80);
 637         BIO_printf(bio, "Signature Algorithm %s+%s (%d+%d)\n",
 638                    ssl_trace_str(p[0], ssl_md_tbl),
 639                    ssl_trace_str(p[1], ssl_sig_tbl), p[0], p[1]);
 640         *pmsg += 2;
 641         *pmsglen -= 2;
 642     }
 643     return ssl_print_hexbuf(bio, indent, "Signature", 2, pmsg, pmsglen);
 644 }
 645
 646 static int ssl_print_extension(BIO *bio, int indent, int server, int extype,
 647                                const unsigned char *ext, size_t extlen)
 648 {
 649     size_t xlen, share_len;
 650     BIO_indent(bio, indent, 80);
 651     BIO_printf(bio, "extension_type=%s(%d), length=%d\n",
 652                ssl_trace_str(extype, ssl_exts_tbl), extype, (int)extlen);
 653     switch (extype) {
 654     case TLSEXT_TYPE_ec_point_formats:
 655         if (extlen < 1)
 656             return 0;
 657         xlen = ext[0];
 658         if (extlen != xlen + 1)
 659             return 0;
 660         return ssl_trace_list(bio, indent + 2, ext + 1, xlen, 1, ssl_point_tbl);
 661
 662     case TLSEXT_TYPE_supported_groups:
 663         if (extlen < 2)
 664             return 0;
 665         xlen = (ext[0] << 8) | ext[1];
 666         if (extlen != xlen + 2)
 667             return 0;
 668         return ssl_trace_list(bio, indent + 2, ext + 2, xlen, 2, ssl_groups_tbl);
 669
 670     case TLSEXT_TYPE_signature_algorithms:
 671
 672         if (extlen < 2)
 673             return 0;
 674         xlen = (ext[0] << 8) | ext[1];
 675         if (extlen != xlen + 2)
 676             return 0;
 677         if (xlen & 1)
 678             return 0;
 679         ext += 2;
 680         while (xlen > 0) {
 681             BIO_indent(bio, indent + 2, 80);
 682             BIO_printf(bio, "%s+%s (%d+%d)\n",
 683                        ssl_trace_str(ext[0], ssl_md_tbl),
 684                        ssl_trace_str(ext[1], ssl_sig_tbl), ext[0], ext[1]);
 685             xlen -= 2;
 686             ext += 2;
 687         }
 688         break;
 689
 690     case TLSEXT_TYPE_renegotiate:
 691         if (extlen < 1)
 692             return 0;
 693         xlen = ext[0];
 694         if (xlen + 1 != extlen)
 695             return 0;
 696         ext++;
 697         if (xlen) {
 698             if (server) {
 699                 if (xlen & 1)
 700                     return 0;
 701                 xlen >>= 1;
 702             }
 703             ssl_print_hex(bio, indent + 4, "client_verify_data", ext, xlen);
 704             if (server) {
 705                 ext += xlen;
 706                 ssl_print_hex(bio, indent + 4, "server_verify_data", ext, xlen);
 707             }
 708         } else {
 709             BIO_indent(bio, indent + 4, 80);
 710             BIO_puts(bio, "<EMPTY>\n");
 711         }
 712         break;
 713
 714     case TLSEXT_TYPE_heartbeat:
 715         return 0;
 716
 717     case TLSEXT_TYPE_session_ticket:
 718         if (extlen != 0)
 719             ssl_print_hex(bio, indent + 4, "ticket", ext, extlen);
 720         break;
 721
 722     case TLSEXT_TYPE_key_share:
 723         if (extlen < 2)
 724             return 0;
 725         if (server) {
 726             xlen = extlen;
 727         } else {
 728             xlen = (ext[0] << 8) | ext[1];
 729             if (extlen != xlen + 2)
 730                 return 0;
 731             ext += 2;
 732         }
 733         for (; xlen > 0; ext += share_len, xlen -= share_len) {
 734             int group_id;
 735
 736             if (xlen < 4)
 737                 return 0;
 738             group_id = (ext[0] << 8) | ext[1];
 739             share_len = (ext[2] << 8) | ext[3];
 740             ext += 4;
 741             xlen -= 4;
 742             if (xlen < share_len)
 743                 return 0;
 744             BIO_indent(bio, indent + 4, 80);
 745             BIO_printf(bio, "NamedGroup: %s\n",
 746                        ssl_trace_str(group_id, ssl_groups_tbl));
 747             ssl_print_hex(bio, indent + 4, "key_exchange: ", ext, share_len);
 748         }
 749         break;
 750
 751     case TLSEXT_TYPE_supported_versions:
 752         if (extlen < 1)
 753             return 0;
 754         xlen = ext[0];
 755         if (extlen != xlen + 1)
 756             return 0;
 757         return ssl_trace_list(bio, indent + 2, ext + 1, xlen, 2,
 758                               ssl_version_tbl);
 759
 760     default:
 761         BIO_dump_indent(bio, (const char *)ext, extlen, indent + 2);
 762     }
 763     return 1;
 764 }
 765
 766 static int ssl_print_extensions(BIO *bio, int indent, int server,
 767                                 const unsigned char *msg, size_t msglen)
 768 {
 769     size_t extslen;
 770     BIO_indent(bio, indent, 80);
 771     if (msglen == 0) {
 772         BIO_puts(bio, "No Extensions\n");
 773         return 1;
 774     }
 775     extslen = (msg[0] << 8) | msg[1];
 776     if (extslen != msglen - 2)
 777         return 0;
 778     msg += 2;
 779     msglen = extslen;
 780     BIO_printf(bio, "extensions, length = %d\n", (int)msglen);
 781     while (msglen > 0) {
 782         int extype;
 783         size_t extlen;
 784         if (msglen < 4)
 785             return 0;
 786         extype = (msg[0] << 8) | msg[1];
 787         extlen = (msg[2] << 8) | msg[3];
 788         if (msglen < extlen + 4)
 789             return 0;
 790         msg += 4;
 791         if (!ssl_print_extension(bio, indent + 2, server, extype, msg, extlen))
 792             return 0;
 793         msg += extlen;
 794         msglen -= extlen + 4;
 795     }
 796     return 1;
 797 }
 798
 799 static int ssl_print_client_hello(BIO *bio, SSL *ssl, int indent,
 800                                   const unsigned char *msg, size_t msglen)
 801 {
 802     size_t len;
 803     unsigned int cs;
 804     if (!ssl_print_version(bio, indent, "client_version", &msg, &msglen))
 805         return 0;
 806     if (!ssl_print_random(bio, indent, &msg, &msglen))
 807         return 0;
 808     if (!ssl_print_hexbuf(bio, indent, "session_id", 1, &msg, &msglen))
 809         return 0;
 810     if (SSL_IS_DTLS(ssl)) {
 811         if (!ssl_print_hexbuf(bio, indent, "cookie", 1, &msg, &msglen))
 812             return 0;
 813     }
 814     if (msglen < 2)
 815         return 0;
 816     len = (msg[0] << 8) | msg[1];
 817     msg += 2;
 818     msglen -= 2;
 819     BIO_indent(bio, indent, 80);
 820     BIO_printf(bio, "cipher_suites (len=%d)\n", (int)len);
 821     if (msglen < len || len & 1)
 822         return 0;
 823     while (len > 0) {
 824         cs = (msg[0] << 8) | msg[1];
 825         BIO_indent(bio, indent + 2, 80);
 826         BIO_printf(bio, "{0x%02X, 0x%02X} %s\n",
 827                    msg[0], msg[1], ssl_trace_str(cs, ssl_ciphers_tbl));
 828         msg += 2;
 829         msglen -= 2;
 830         len -= 2;
 831     }
 832     if (msglen < 1)
 833         return 0;
 834     len = msg[0];
 835     msg++;
 836     msglen--;
 837     if (msglen < len)
 838         return 0;
 839     BIO_indent(bio, indent, 80);
 840     BIO_printf(bio, "compression_methods (len=%d)\n", (int)len);
 841     while (len > 0) {
 842         BIO_indent(bio, indent + 2, 80);
 843         BIO_printf(bio, "%s (0x%02X)\n",
 844                    ssl_trace_str(msg[0], ssl_comp_tbl), msg[0]);
 845         msg++;
 846         msglen--;
 847         len--;
 848     }
 849     if (!ssl_print_extensions(bio, indent, 0, msg, msglen))
 850         return 0;
 851     return 1;
 852 }
 853
 854 static int dtls_print_hello_vfyrequest(BIO *bio, int indent,
 855                                        const unsigned char *msg, size_t msglen)
 856 {
 857     if (!ssl_print_version(bio, indent, "server_version", &msg, &msglen))
 858         return 0;
 859     if (!ssl_print_hexbuf(bio, indent, "cookie", 1, &msg, &msglen))
 860         return 0;
 861     return 1;
 862 }
 863
 864 static int ssl_print_server_hello(BIO *bio, int indent,
 865                                   const unsigned char *msg, size_t msglen)
 866 {
 867     unsigned int cs;
 868     if (!ssl_print_version(bio, indent, "server_version", &msg, &msglen))
 869         return 0;
 870     if (!ssl_print_random(bio, indent, &msg, &msglen))
 871         return 0;
 872     if (!ssl_print_hexbuf(bio, indent, "session_id", 1, &msg, &msglen))
 873         return 0;
 874     if (msglen < 2)
 875         return 0;
 876     cs = (msg[0] << 8) | msg[1];
 877     BIO_indent(bio, indent, 80);
 878     BIO_printf(bio, "cipher_suite {0x%02X, 0x%02X} %s\n",
 879                msg[0], msg[1], ssl_trace_str(cs, ssl_ciphers_tbl));
 880     msg += 2;
 881     msglen -= 2;
 882     if (msglen < 1)
 883         return 0;
 884     BIO_indent(bio, indent, 80);
 885     BIO_printf(bio, "compression_method: %s (0x%02X)\n",
 886                ssl_trace_str(msg[0], ssl_comp_tbl), msg[0]);
 887     msg++;
 888     msglen--;
 889     if (!ssl_print_extensions(bio, indent, 1, msg, msglen))
 890         return 0;
 891     return 1;
 892 }
 893
 894 static int ssl_get_keyex(const char **pname, SSL *ssl)
 895 {
 896     unsigned long alg_k = ssl->s3->tmp.new_cipher->algorithm_mkey;
 897     if (alg_k & SSL_kRSA) {
 898         *pname = "rsa";
 899         return SSL_kRSA;
 900     }
 901     if (alg_k & SSL_kDHE) {
 902         *pname = "DHE";
 903         return SSL_kDHE;
 904     }
 905     if (alg_k & SSL_kECDHE) {
 906         *pname = "ECDHE";
 907         return SSL_kECDHE;
 908     }
 909     if (alg_k & SSL_kPSK) {
 910         *pname = "PSK";
 911         return SSL_kPSK;
 912     }
 913     if (alg_k & SSL_kRSAPSK) {
 914         *pname = "RSAPSK";
 915         return SSL_kRSAPSK;
 916     }
 917     if (alg_k & SSL_kDHEPSK) {
 918         *pname = "DHEPSK";
 919         return SSL_kDHEPSK;
 920     }
 921     if (alg_k & SSL_kECDHEPSK) {
 922         *pname = "ECDHEPSK";
 923         return SSL_kECDHEPSK;
 924     }
 925     if (alg_k & SSL_kSRP) {
 926         *pname = "SRP";
 927         return SSL_kSRP;
 928     }
 929     if (alg_k & SSL_kGOST) {
 930         *pname = "GOST";
 931         return SSL_kGOST;
 932     }
 933     *pname = "UNKNOWN";
 934     return 0;
 935 }
 936
 937 static int ssl_print_client_keyex(BIO *bio, int indent, SSL *ssl,
 938                                   const unsigned char *msg, size_t msglen)
 939 {
 940     const char *algname;
 941     int id;
 942     id = ssl_get_keyex(&algname, ssl);
 943     BIO_indent(bio, indent, 80);
 944     BIO_printf(bio, "KeyExchangeAlgorithm=%s\n", algname);
 945     if (id & SSL_PSK) {
 946         if (!ssl_print_hexbuf(bio, indent + 2,
 947                               "psk_identity", 2, &msg, &msglen))
 948             return 0;
 949     }
 950     switch (id) {
 951
 952     case SSL_kRSA:
 953     case SSL_kRSAPSK:
 954         if (TLS1_get_version(ssl) == SSL3_VERSION) {
 955             ssl_print_hex(bio, indent + 2,
 956                           "EncyptedPreMasterSecret", msg, msglen);
 957         } else {
 958             if (!ssl_print_hexbuf(bio, indent + 2,
 959                                   "EncyptedPreMasterSecret", 2, &msg, &msglen))
 960                 return 0;
 961         }
 962         break;
 963
 964     case SSL_kDHE:
 965     case SSL_kDHEPSK:
 966         if (!ssl_print_hexbuf(bio, indent + 2, "dh_Yc", 2, &msg, &msglen))
 967             return 0;
 968         break;
 969
 970     case SSL_kECDHE:
 971     case SSL_kECDHEPSK:
 972         if (!ssl_print_hexbuf(bio, indent + 2, "ecdh_Yc", 1, &msg, &msglen))
 973             return 0;
 974         break;
 975
 976     }
 977
 978     return !msglen;
 979 }
 980
 981 static int ssl_print_server_keyex(BIO *bio, int indent, SSL *ssl,
 982                                   const unsigned char *msg, size_t msglen)
 983 {
 984     const char *algname;
 985     int id;
 986     id = ssl_get_keyex(&algname, ssl);
 987     BIO_indent(bio, indent, 80);
 988     BIO_printf(bio, "KeyExchangeAlgorithm=%s\n", algname);
 989     if (id & SSL_PSK) {
 990         if (!ssl_print_hexbuf(bio, indent + 2,
 991                               "psk_identity_hint", 2, &msg, &msglen))
 992             return 0;
 993     }
 994     switch (id) {
 995     case SSL_kRSA:
 996
 997         if (!ssl_print_hexbuf(bio, indent + 2, "rsa_modulus", 2, &msg, &msglen))
 998             return 0;
 999         if (!ssl_print_hexbuf(bio, indent + 2, "rsa_exponent", 2,
1000                               &msg, &msglen))
1001             return 0;
1002         break;
1003
1004     case SSL_kDHE:
1005     case SSL_kDHEPSK:
1006         if (!ssl_print_hexbuf(bio, indent + 2, "dh_p", 2, &msg, &msglen))
1007             return 0;
1008         if (!ssl_print_hexbuf(bio, indent + 2, "dh_g", 2, &msg, &msglen))
1009             return 0;
1010         if (!ssl_print_hexbuf(bio, indent + 2, "dh_Ys", 2, &msg, &msglen))
1011             return 0;
1012         break;
1013
1014 # ifndef OPENSSL_NO_EC
1015     case SSL_kECDHE:
1016     case SSL_kECDHEPSK:
1017         if (msglen < 1)
1018             return 0;
1019         BIO_indent(bio, indent + 2, 80);
1020         if (msg[0] == EXPLICIT_PRIME_CURVE_TYPE)
1021             BIO_puts(bio, "explicit_prime\n");
1022         else if (msg[0] == EXPLICIT_CHAR2_CURVE_TYPE)
1023             BIO_puts(bio, "explicit_char2\n");
1024         else if (msg[0] == NAMED_CURVE_TYPE) {
1025             int curve;
1026             if (msglen < 3)
1027                 return 0;
1028             curve = (msg[1] << 8) | msg[2];
1029             BIO_printf(bio, "named_curve: %s (%d)\n",
1030                        ssl_trace_str(curve, ssl_groups_tbl), curve);
1031             msg += 3;
1032             msglen -= 3;
1033             if (!ssl_print_hexbuf(bio, indent + 2, "point", 1, &msg, &msglen))
1034                 return 0;
1035         } else {
1036             BIO_printf(bio, "UNKNOWN CURVE PARAMETER TYPE %d\n", msg[0]);
1037             return 0;
1038         }
1039         break;
1040 # endif
1041
1042     case SSL_kPSK:
1043     case SSL_kRSAPSK:
1044         break;
1045     }
1046     if (!(id & SSL_PSK))
1047         ssl_print_signature(bio, indent, ssl, &msg, &msglen);
1048     return !msglen;
1049 }
1050
1051 static int ssl_print_certificate(BIO *bio, int indent,
1052                                  const unsigned char **pmsg, size_t *pmsglen)
1053 {
1054     size_t msglen = *pmsglen;
1055     size_t clen;
1056     X509 *x;
1057     const unsigned char *p = *pmsg, *q;
1058     if (msglen < 3)
1059         return 0;
1060     clen = (p[0] << 16) | (p[1] << 8) | p[2];
1061     if (msglen < clen + 3)
1062         return 0;
1063     q = p + 3;
1064     BIO_indent(bio, indent, 80);
1065     BIO_printf(bio, "ASN.1Cert, length=%d", (int)clen);
1066     x = d2i_X509(NULL, &q, clen);
1067     if (!x)
1068         BIO_puts(bio, "<UNPARSEABLE CERTIFICATE>\n");
1069     else {
1070         BIO_puts(bio, "\n------details-----\n");
1071         X509_print_ex(bio, x, XN_FLAG_ONELINE, 0);
1072         PEM_write_bio_X509(bio, x);
1073         /* Print certificate stuff */
1074         BIO_puts(bio, "------------------\n");
1075         X509_free(x);
1076     }
1077     if (q != p + 3 + clen) {
1078         BIO_puts(bio, "<TRAILING GARBAGE AFTER CERTIFICATE>\n");
1079     }
1080     *pmsg += clen + 3;
1081     *pmsglen -= clen + 3;
1082     return 1;
1083 }
1084
1085 static int ssl_print_certificates(BIO *bio, int indent,
1086                                   const unsigned char *msg, size_t msglen)
1087 {
1088     size_t clen;
1089     if (msglen < 3)
1090         return 0;
1091     clen = (msg[0] << 16) | (msg[1] << 8) | msg[2];
1092     if (msglen != clen + 3)
1093         return 0;
1094     msg += 3;
1095     BIO_indent(bio, indent, 80);
1096     BIO_printf(bio, "certificate_list, length=%d\n", (int)clen);
1097     while (clen > 0) {
1098         if (!ssl_print_certificate(bio, indent + 2, &msg, &clen))
1099             return 0;
1100     }
1101     return 1;
1102 }
1103
1104 static int ssl_print_cert_request(BIO *bio, int indent, SSL *s,
1105                                   const unsigned char *msg, size_t msglen)
1106 {
1107     size_t xlen;
1108     if (msglen < 1)
1109         return 0;
1110     xlen = msg[0];
1111     if (msglen < xlen + 1)
1112         return 0;
1113     msg++;
1114     BIO_indent(bio, indent, 80);
1115     BIO_printf(bio, "certificate_types (len=%d)\n", (int)xlen);
1116     if (!ssl_trace_list(bio, indent + 2, msg, xlen, 1, ssl_ctype_tbl))
1117         return 0;
1118     msg += xlen;
1119     msglen -= xlen + 1;
1120     if (!SSL_USE_SIGALGS(s))
1121         goto skip_sig;
1122     if (msglen < 2)
1123         return 0;
1124     xlen = (msg[0] << 8) | msg[1];
1125     if (msglen < xlen + 2 || (xlen & 1))
1126         return 0;
1127     msg += 2;
1128     BIO_indent(bio, indent, 80);
1129     BIO_printf(bio, "signature_algorithms (len=%d)\n", (int)xlen);
1130     while (xlen > 0) {
1131         BIO_indent(bio, indent + 2, 80);
1132         BIO_printf(bio, "%s+%s (%d+%d)\n",
1133                    ssl_trace_str(msg[0], ssl_md_tbl),
1134                    ssl_trace_str(msg[1], ssl_sig_tbl), msg[0], msg[1]);
1135         xlen -= 2;
1136         msg += 2;
1137     }
1138     msg += xlen;
1139     msglen -= xlen + 2;
1140
1141  skip_sig:
1142     xlen = (msg[0] << 8) | msg[1];
1143     BIO_indent(bio, indent, 80);
1144     if (msglen < xlen + 2)
1145         return 0;
1146     msg += 2;
1147     msglen -= 2;
1148     BIO_printf(bio, "certificate_authorities (len=%d)\n", (int)xlen);
1149     while (xlen > 0) {
1150         size_t dlen;
1151         X509_NAME *nm;
1152         const unsigned char *p;
1153         if (xlen < 2)
1154             return 0;
1155         dlen = (msg[0] << 8) | msg[1];
1156         if (xlen < dlen + 2)
1157             return 0;
1158         msg += 2;
1159         BIO_indent(bio, indent + 2, 80);
1160         BIO_printf(bio, "DistinguishedName (len=%d): ", (int)dlen);
1161         p = msg;
1162         nm = d2i_X509_NAME(NULL, &p, dlen);
1163         if (!nm) {
1164             BIO_puts(bio, "<UNPARSEABLE DN>\n");
1165         } else {
1166             X509_NAME_print_ex(bio, nm, 0, XN_FLAG_ONELINE);
1167             BIO_puts(bio, "\n");
1168             X509_NAME_free(nm);
1169         }
1170         xlen -= dlen + 2;
1171         msg += dlen;
1172     }
1173     return 1;
1174 }
1175
1176 static int ssl_print_ticket(BIO *bio, int indent,
1177                             const unsigned char *msg, size_t msglen)
1178 {
1179     unsigned int tick_life;
1180     if (msglen == 0) {
1181         BIO_indent(bio, indent + 2, 80);
1182         BIO_puts(bio, "No Ticket\n");
1183         return 1;
1184     }
1185     if (msglen < 4)
1186         return 0;
1187     tick_life = (msg[0] << 24) | (msg[1] << 16) | (msg[2] << 8) | msg[3];
1188     msglen -= 4;
1189     msg += 4;
1190     BIO_indent(bio, indent + 2, 80);
1191     BIO_printf(bio, "ticket_lifetime_hint=%u\n", tick_life);
1192     if (!ssl_print_hexbuf(bio, indent + 2, "ticket", 2, &msg, &msglen))
1193         return 0;
1194     if (msglen)
1195         return 0;
1196     return 1;
1197 }
1198
1199 static int ssl_print_handshake(BIO *bio, SSL *ssl,
1200                                const unsigned char *msg, size_t msglen,
1201                                int indent)
1202 {
1203     size_t hlen;
1204     unsigned char htype;
1205     if (msglen < 4)
1206         return 0;
1207     htype = msg[0];
1208     hlen = (msg[1] << 16) | (msg[2] << 8) | msg[3];
1209     BIO_indent(bio, indent, 80);
1210     BIO_printf(bio, "%s, Length=%d\n",
1211                ssl_trace_str(htype, ssl_handshake_tbl), (int)hlen);
1212     msg += 4;
1213     msglen -= 4;
1214     if (SSL_IS_DTLS(ssl)) {
1215         if (msglen < 8)
1216             return 0;
1217         BIO_indent(bio, indent, 80);
1218         BIO_printf(bio, "message_seq=%d, fragment_offset=%d, "
1219                    "fragment_length=%d\n",
1220                    (msg[0] << 8) | msg[1],
1221                    (msg[2] << 16) | (msg[3] << 8) | msg[4],
1222                    (msg[5] << 16) | (msg[6] << 8) | msg[7]);
1223         msg += 8;
1224         msglen -= 8;
1225     }
1226     if (msglen < hlen)
1227         return 0;
1228     switch (htype) {
1229     case SSL3_MT_CLIENT_HELLO:
1230         if (!ssl_print_client_hello(bio, ssl, indent + 2, msg, msglen))
1231             return 0;
1232         break;
1233
1234     case DTLS1_MT_HELLO_VERIFY_REQUEST:
1235         if (!dtls_print_hello_vfyrequest(bio, indent + 2, msg, msglen))
1236             return 0;
1237         break;
1238
1239     case SSL3_MT_SERVER_HELLO:
1240         if (!ssl_print_server_hello(bio, indent + 2, msg, msglen))
1241             return 0;
1242         break;
1243
1244     case SSL3_MT_SERVER_KEY_EXCHANGE:
1245         if (!ssl_print_server_keyex(bio, indent + 2, ssl, msg, msglen))
1246             return 0;
1247         break;
1248
1249     case SSL3_MT_CLIENT_KEY_EXCHANGE:
1250         if (!ssl_print_client_keyex(bio, indent + 2, ssl, msg, msglen))
1251             return 0;
1252         break;
1253
1254     case SSL3_MT_CERTIFICATE:
1255         if (!ssl_print_certificates(bio, indent + 2, msg, msglen))
1256             return 0;
1257         break;
1258
1259     case SSL3_MT_CERTIFICATE_VERIFY:
1260         if (!ssl_print_signature(bio, indent + 2, ssl, &msg, &msglen))
1261             return 0;
1262         break;
1263
1264     case SSL3_MT_CERTIFICATE_REQUEST:
1265         if (!ssl_print_cert_request(bio, indent + 2, ssl, msg, msglen))
1266             return 0;
1267         break;
1268
1269     case SSL3_MT_FINISHED:
1270         ssl_print_hex(bio, indent + 2, "verify_data", msg, msglen);
1271         break;
1272
1273     case SSL3_MT_SERVER_DONE:
1274         if (msglen != 0)
1275             ssl_print_hex(bio, indent + 2, "unexpected value", msg, msglen);
1276         break;
1277
1278     case SSL3_MT_NEWSESSION_TICKET:
1279         if (!ssl_print_ticket(bio, indent + 2, msg, msglen))
1280             return 0;
1281         break;
1282
1283     default:
1284         BIO_indent(bio, indent + 2, 80);
1285         BIO_puts(bio, "Unsupported, hex dump follows:\n");
1286         BIO_dump_indent(bio, (const char *)msg, msglen, indent + 4);
1287     }
1288     return 1;
1289 }
1290
1291 const char *SSL_CIPHER_standard_name(const SSL_CIPHER *c)
1292 {
1293     return ssl_trace_str(c->id & 0xFFFF, ssl_ciphers_tbl);
1294 }
1295
1296 void SSL_trace(int write_p, int version, int content_type,
1297                const void *buf, size_t msglen, SSL *ssl, void *arg)
1298 {
1299     const unsigned char *msg = buf;
1300     BIO *bio = arg;
1301
1302     if (write_p == 2) {
1303         BIO_puts(bio, "Session ");
1304         ssl_print_hex(bio, 0,
1305                       ssl_trace_str(content_type, ssl_crypto_tbl), msg, msglen);
1306         return;
1307     }
1308     switch (content_type) {
1309     case SSL3_RT_HEADER:
1310         {
1311             int hvers = msg[1] << 8 | msg[2];
1312             BIO_puts(bio, write_p ? "Sent" : "Received");
1313             BIO_printf(bio, " Record\nHeader:\n  Version = %s (0x%x)\n",
1314                        ssl_trace_str(hvers, ssl_version_tbl), hvers);
1315             if (SSL_IS_DTLS(ssl)) {
1316                 BIO_printf(bio,
1317                            "  epoch=%d, sequence_number=%04x%04x%04x\n",
1318                            (msg[3] << 8 | msg[4]),
1319                            (msg[5] << 8 | msg[6]),
1320                            (msg[7] << 8 | msg[8]), (msg[9] << 8 | msg[10]));
1321             }
1322
1323             BIO_printf(bio, "  Content Type = %s (%d)\n  Length = %d",
1324                        ssl_trace_str(msg[0], ssl_content_tbl), msg[0],
1325                        msg[msglen - 2] << 8 | msg[msglen - 1]);
1326         }
1327         break;
1328     case SSL3_RT_HANDSHAKE:
1329         if (!ssl_print_handshake(bio, ssl, msg, msglen, 4))
1330             BIO_printf(bio, "Message length parse error!\n");
1331         break;
1332
1333     case SSL3_RT_CHANGE_CIPHER_SPEC:
1334         if (msglen == 1 && msg[0] == 1)
1335             BIO_puts(bio, "    change_cipher_spec (1)\n");
1336         else
1337             ssl_print_hex(bio, 4, "unknown value", msg, msglen);
1338         break;
1339
1340     case SSL3_RT_ALERT:
1341         if (msglen != 2)
1342             BIO_puts(bio, "    Illegal Alert Length\n");
1343         else {
1344             BIO_printf(bio, "    Level=%s(%d), description=%s(%d)\n",
1345                        SSL_alert_type_string_long(msg[0] << 8),
1346                        msg[0], SSL_alert_desc_string_long(msg[1]), msg[1]);
1347         }
1348
1349     }
1350
1351     BIO_puts(bio, "\n");
1352 }
1353
1354 #endif