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_HELLO_RETRY_REQUEST, "HelloRetryRequest"},
  87     {SSL3_MT_ENCRYPTED_EXTENSIONS, "EncryptedExtensions"},
  88     {SSL3_MT_CERTIFICATE, "Certificate"},
  89     {SSL3_MT_SERVER_KEY_EXCHANGE, "ServerKeyExchange"},
  90     {SSL3_MT_CERTIFICATE_REQUEST, "CertificateRequest"},
  91     {SSL3_MT_SERVER_DONE, "ServerHelloDone"},
  92     {SSL3_MT_CERTIFICATE_VERIFY, "CertificateVerify"},
  93     {SSL3_MT_CLIENT_KEY_EXCHANGE, "ClientKeyExchange"},
  94     {SSL3_MT_CERTIFICATE_STATUS, "CertificateStatus"},
  95     {SSL3_MT_CLIENT_KEY_EXCHANGE, "ClientKeyExchange"},
  96     {SSL3_MT_FINISHED, "Finished"},
  97     {SSL3_MT_CERTIFICATE_STATUS, "CertificateStatus"},
  98     {SSL3_MT_KEY_UPDATE, "KeyUpdate"}
  99 };
 100
 101 /* Cipher suites */
 102 static ssl_trace_tbl ssl_ciphers_tbl[] = {
 103     {0x0000, "SSL_NULL_WITH_NULL_NULL"},
 104     {0x0001, "SSL_RSA_WITH_NULL_MD5"},
 105     {0x0002, "SSL_RSA_WITH_NULL_SHA"},
 106     {0x0003, "SSL_RSA_EXPORT_WITH_RC4_40_MD5"},
 107     {0x0004, "SSL_RSA_WITH_RC4_128_MD5"},
 108     {0x0005, "SSL_RSA_WITH_RC4_128_SHA"},
 109     {0x0006, "SSL_RSA_EXPORT_WITH_RC2_CBC_40_MD5"},
 110     {0x0007, "SSL_RSA_WITH_IDEA_CBC_SHA"},
 111     {0x0008, "SSL_RSA_EXPORT_WITH_DES40_CBC_SHA"},
 112     {0x0009, "SSL_RSA_WITH_DES_CBC_SHA"},
 113     {0x000A, "SSL_RSA_WITH_3DES_EDE_CBC_SHA"},
 114     {0x000B, "SSL_DH_DSS_EXPORT_WITH_DES40_CBC_SHA"},
 115     {0x000C, "SSL_DH_DSS_WITH_DES_CBC_SHA"},
 116     {0x000D, "SSL_DH_DSS_WITH_3DES_EDE_CBC_SHA"},
 117     {0x000E, "SSL_DH_RSA_EXPORT_WITH_DES40_CBC_SHA"},
 118     {0x000F, "SSL_DH_RSA_WITH_DES_CBC_SHA"},
 119     {0x0010, "SSL_DH_RSA_WITH_3DES_EDE_CBC_SHA"},
 120     {0x0011, "SSL_DHE_DSS_EXPORT_WITH_DES40_CBC_SHA"},
 121     {0x0012, "SSL_DHE_DSS_WITH_DES_CBC_SHA"},
 122     {0x0013, "SSL_DHE_DSS_WITH_3DES_EDE_CBC_SHA"},
 123     {0x0014, "SSL_DHE_RSA_EXPORT_WITH_DES40_CBC_SHA"},
 124     {0x0015, "SSL_DHE_RSA_WITH_DES_CBC_SHA"},
 125     {0x0016, "SSL_DHE_RSA_WITH_3DES_EDE_CBC_SHA"},
 126     {0x0017, "SSL_DH_anon_EXPORT_WITH_RC4_40_MD5"},
 127     {0x0018, "SSL_DH_anon_WITH_RC4_128_MD5"},
 128     {0x0019, "SSL_DH_anon_EXPORT_WITH_DES40_CBC_SHA"},
 129     {0x001A, "SSL_DH_anon_WITH_DES_CBC_SHA"},
 130     {0x001B, "SSL_DH_anon_WITH_3DES_EDE_CBC_SHA"},
 131     {0x001D, "SSL_FORTEZZA_KEA_WITH_FORTEZZA_CBC_SHA"},
 132     {0x001E, "SSL_FORTEZZA_KEA_WITH_RC4_128_SHA"},
 133     {0x001F, "TLS_KRB5_WITH_3DES_EDE_CBC_SHA"},
 134     {0x0020, "TLS_KRB5_WITH_RC4_128_SHA"},
 135     {0x0021, "TLS_KRB5_WITH_IDEA_CBC_SHA"},
 136     {0x0022, "TLS_KRB5_WITH_DES_CBC_MD5"},
 137     {0x0023, "TLS_KRB5_WITH_3DES_EDE_CBC_MD5"},
 138     {0x0024, "TLS_KRB5_WITH_RC4_128_MD5"},
 139     {0x0025, "TLS_KRB5_WITH_IDEA_CBC_MD5"},
 140     {0x0026, "TLS_KRB5_EXPORT_WITH_DES_CBC_40_SHA"},
 141     {0x0027, "TLS_KRB5_EXPORT_WITH_RC2_CBC_40_SHA"},
 142     {0x0028, "TLS_KRB5_EXPORT_WITH_RC4_40_SHA"},
 143     {0x0029, "TLS_KRB5_EXPORT_WITH_DES_CBC_40_MD5"},
 144     {0x002A, "TLS_KRB5_EXPORT_WITH_RC2_CBC_40_MD5"},
 145     {0x002B, "TLS_KRB5_EXPORT_WITH_RC4_40_MD5"},
 146     {0x002C, "TLS_PSK_WITH_NULL_SHA"},
 147     {0x002D, "TLS_DHE_PSK_WITH_NULL_SHA"},
 148     {0x002E, "TLS_RSA_PSK_WITH_NULL_SHA"},
 149     {0x002F, "TLS_RSA_WITH_AES_128_CBC_SHA"},
 150     {0x0030, "TLS_DH_DSS_WITH_AES_128_CBC_SHA"},
 151     {0x0031, "TLS_DH_RSA_WITH_AES_128_CBC_SHA"},
 152     {0x0032, "TLS_DHE_DSS_WITH_AES_128_CBC_SHA"},
 153     {0x0033, "TLS_DHE_RSA_WITH_AES_128_CBC_SHA"},
 154     {0x0034, "TLS_DH_anon_WITH_AES_128_CBC_SHA"},
 155     {0x0035, "TLS_RSA_WITH_AES_256_CBC_SHA"},
 156     {0x0036, "TLS_DH_DSS_WITH_AES_256_CBC_SHA"},
 157     {0x0037, "TLS_DH_RSA_WITH_AES_256_CBC_SHA"},
 158     {0x0038, "TLS_DHE_DSS_WITH_AES_256_CBC_SHA"},
 159     {0x0039, "TLS_DHE_RSA_WITH_AES_256_CBC_SHA"},
 160     {0x003A, "TLS_DH_anon_WITH_AES_256_CBC_SHA"},
 161     {0x003B, "TLS_RSA_WITH_NULL_SHA256"},
 162     {0x003C, "TLS_RSA_WITH_AES_128_CBC_SHA256"},
 163     {0x003D, "TLS_RSA_WITH_AES_256_CBC_SHA256"},
 164     {0x003E, "TLS_DH_DSS_WITH_AES_128_CBC_SHA256"},
 165     {0x003F, "TLS_DH_RSA_WITH_AES_128_CBC_SHA256"},
 166     {0x0040, "TLS_DHE_DSS_WITH_AES_128_CBC_SHA256"},
 167     {0x0041, "TLS_RSA_WITH_CAMELLIA_128_CBC_SHA"},
 168     {0x0042, "TLS_DH_DSS_WITH_CAMELLIA_128_CBC_SHA"},
 169     {0x0043, "TLS_DH_RSA_WITH_CAMELLIA_128_CBC_SHA"},
 170     {0x0044, "TLS_DHE_DSS_WITH_CAMELLIA_128_CBC_SHA"},
 171     {0x0045, "TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA"},
 172     {0x0046, "TLS_DH_anon_WITH_CAMELLIA_128_CBC_SHA"},
 173     {0x0067, "TLS_DHE_RSA_WITH_AES_128_CBC_SHA256"},
 174     {0x0068, "TLS_DH_DSS_WITH_AES_256_CBC_SHA256"},
 175     {0x0069, "TLS_DH_RSA_WITH_AES_256_CBC_SHA256"},
 176     {0x006A, "TLS_DHE_DSS_WITH_AES_256_CBC_SHA256"},
 177     {0x006B, "TLS_DHE_RSA_WITH_AES_256_CBC_SHA256"},
 178     {0x006C, "TLS_DH_anon_WITH_AES_128_CBC_SHA256"},
 179     {0x006D, "TLS_DH_anon_WITH_AES_256_CBC_SHA256"},
 180     {0x0084, "TLS_RSA_WITH_CAMELLIA_256_CBC_SHA"},
 181     {0x0085, "TLS_DH_DSS_WITH_CAMELLIA_256_CBC_SHA"},
 182     {0x0086, "TLS_DH_RSA_WITH_CAMELLIA_256_CBC_SHA"},
 183     {0x0087, "TLS_DHE_DSS_WITH_CAMELLIA_256_CBC_SHA"},
 184     {0x0088, "TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA"},
 185     {0x0089, "TLS_DH_anon_WITH_CAMELLIA_256_CBC_SHA"},
 186     {0x008A, "TLS_PSK_WITH_RC4_128_SHA"},
 187     {0x008B, "TLS_PSK_WITH_3DES_EDE_CBC_SHA"},
 188     {0x008C, "TLS_PSK_WITH_AES_128_CBC_SHA"},
 189     {0x008D, "TLS_PSK_WITH_AES_256_CBC_SHA"},
 190     {0x008E, "TLS_DHE_PSK_WITH_RC4_128_SHA"},
 191     {0x008F, "TLS_DHE_PSK_WITH_3DES_EDE_CBC_SHA"},
 192     {0x0090, "TLS_DHE_PSK_WITH_AES_128_CBC_SHA"},
 193     {0x0091, "TLS_DHE_PSK_WITH_AES_256_CBC_SHA"},
 194     {0x0092, "TLS_RSA_PSK_WITH_RC4_128_SHA"},
 195     {0x0093, "TLS_RSA_PSK_WITH_3DES_EDE_CBC_SHA"},
 196     {0x0094, "TLS_RSA_PSK_WITH_AES_128_CBC_SHA"},
 197     {0x0095, "TLS_RSA_PSK_WITH_AES_256_CBC_SHA"},
 198     {0x0096, "TLS_RSA_WITH_SEED_CBC_SHA"},
 199     {0x0097, "TLS_DH_DSS_WITH_SEED_CBC_SHA"},
 200     {0x0098, "TLS_DH_RSA_WITH_SEED_CBC_SHA"},
 201     {0x0099, "TLS_DHE_DSS_WITH_SEED_CBC_SHA"},
 202     {0x009A, "TLS_DHE_RSA_WITH_SEED_CBC_SHA"},
 203     {0x009B, "TLS_DH_anon_WITH_SEED_CBC_SHA"},
 204     {0x009C, "TLS_RSA_WITH_AES_128_GCM_SHA256"},
 205     {0x009D, "TLS_RSA_WITH_AES_256_GCM_SHA384"},
 206     {0x009E, "TLS_DHE_RSA_WITH_AES_128_GCM_SHA256"},
 207     {0x009F, "TLS_DHE_RSA_WITH_AES_256_GCM_SHA384"},
 208     {0x00A0, "TLS_DH_RSA_WITH_AES_128_GCM_SHA256"},
 209     {0x00A1, "TLS_DH_RSA_WITH_AES_256_GCM_SHA384"},
 210     {0x00A2, "TLS_DHE_DSS_WITH_AES_128_GCM_SHA256"},
 211     {0x00A3, "TLS_DHE_DSS_WITH_AES_256_GCM_SHA384"},
 212     {0x00A4, "TLS_DH_DSS_WITH_AES_128_GCM_SHA256"},
 213     {0x00A5, "TLS_DH_DSS_WITH_AES_256_GCM_SHA384"},
 214     {0x00A6, "TLS_DH_anon_WITH_AES_128_GCM_SHA256"},
 215     {0x00A7, "TLS_DH_anon_WITH_AES_256_GCM_SHA384"},
 216     {0x00A8, "TLS_PSK_WITH_AES_128_GCM_SHA256"},
 217     {0x00A9, "TLS_PSK_WITH_AES_256_GCM_SHA384"},
 218     {0x00AA, "TLS_DHE_PSK_WITH_AES_128_GCM_SHA256"},
 219     {0x00AB, "TLS_DHE_PSK_WITH_AES_256_GCM_SHA384"},
 220     {0x00AC, "TLS_RSA_PSK_WITH_AES_128_GCM_SHA256"},
 221     {0x00AD, "TLS_RSA_PSK_WITH_AES_256_GCM_SHA384"},
 222     {0x00AE, "TLS_PSK_WITH_AES_128_CBC_SHA256"},
 223     {0x00AF, "TLS_PSK_WITH_AES_256_CBC_SHA384"},
 224     {0x00B0, "TLS_PSK_WITH_NULL_SHA256"},
 225     {0x00B1, "TLS_PSK_WITH_NULL_SHA384"},
 226     {0x00B2, "TLS_DHE_PSK_WITH_AES_128_CBC_SHA256"},
 227     {0x00B3, "TLS_DHE_PSK_WITH_AES_256_CBC_SHA384"},
 228     {0x00B4, "TLS_DHE_PSK_WITH_NULL_SHA256"},
 229     {0x00B5, "TLS_DHE_PSK_WITH_NULL_SHA384"},
 230     {0x00B6, "TLS_RSA_PSK_WITH_AES_128_CBC_SHA256"},
 231     {0x00B7, "TLS_RSA_PSK_WITH_AES_256_CBC_SHA384"},
 232     {0x00B8, "TLS_RSA_PSK_WITH_NULL_SHA256"},
 233     {0x00B9, "TLS_RSA_PSK_WITH_NULL_SHA384"},
 234     {0x00BA, "TLS_RSA_WITH_CAMELLIA_128_CBC_SHA256"},
 235     {0x00BB, "TLS_DH_DSS_WITH_CAMELLIA_128_CBC_SHA256"},
 236     {0x00BC, "TLS_DH_RSA_WITH_CAMELLIA_128_CBC_SHA256"},
 237     {0x00BD, "TLS_DHE_DSS_WITH_CAMELLIA_128_CBC_SHA256"},
 238     {0x00BE, "TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA256"},
 239     {0x00BF, "TLS_DH_anon_WITH_CAMELLIA_128_CBC_SHA256"},
 240     {0x00C0, "TLS_RSA_WITH_CAMELLIA_256_CBC_SHA256"},
 241     {0x00C1, "TLS_DH_DSS_WITH_CAMELLIA_256_CBC_SHA256"},
 242     {0x00C2, "TLS_DH_RSA_WITH_CAMELLIA_256_CBC_SHA256"},
 243     {0x00C3, "TLS_DHE_DSS_WITH_CAMELLIA_256_CBC_SHA256"},
 244     {0x00C4, "TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA256"},
 245     {0x00C5, "TLS_DH_anon_WITH_CAMELLIA_256_CBC_SHA256"},
 246     {0x00FF, "TLS_EMPTY_RENEGOTIATION_INFO_SCSV"},
 247     {0x5600, "TLS_FALLBACK_SCSV"},
 248     {0xC001, "TLS_ECDH_ECDSA_WITH_NULL_SHA"},
 249     {0xC002, "TLS_ECDH_ECDSA_WITH_RC4_128_SHA"},
 250     {0xC003, "TLS_ECDH_ECDSA_WITH_3DES_EDE_CBC_SHA"},
 251     {0xC004, "TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA"},
 252     {0xC005, "TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA"},
 253     {0xC006, "TLS_ECDHE_ECDSA_WITH_NULL_SHA"},
 254     {0xC007, "TLS_ECDHE_ECDSA_WITH_RC4_128_SHA"},
 255     {0xC008, "TLS_ECDHE_ECDSA_WITH_3DES_EDE_CBC_SHA"},
 256     {0xC009, "TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA"},
 257     {0xC00A, "TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA"},
 258     {0xC00B, "TLS_ECDH_RSA_WITH_NULL_SHA"},
 259     {0xC00C, "TLS_ECDH_RSA_WITH_RC4_128_SHA"},
 260     {0xC00D, "TLS_ECDH_RSA_WITH_3DES_EDE_CBC_SHA"},
 261     {0xC00E, "TLS_ECDH_RSA_WITH_AES_128_CBC_SHA"},
 262     {0xC00F, "TLS_ECDH_RSA_WITH_AES_256_CBC_SHA"},
 263     {0xC010, "TLS_ECDHE_RSA_WITH_NULL_SHA"},
 264     {0xC011, "TLS_ECDHE_RSA_WITH_RC4_128_SHA"},
 265     {0xC012, "TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA"},
 266     {0xC013, "TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA"},
 267     {0xC014, "TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA"},
 268     {0xC015, "TLS_ECDH_anon_WITH_NULL_SHA"},
 269     {0xC016, "TLS_ECDH_anon_WITH_RC4_128_SHA"},
 270     {0xC017, "TLS_ECDH_anon_WITH_3DES_EDE_CBC_SHA"},
 271     {0xC018, "TLS_ECDH_anon_WITH_AES_128_CBC_SHA"},
 272     {0xC019, "TLS_ECDH_anon_WITH_AES_256_CBC_SHA"},
 273     {0xC01A, "TLS_SRP_SHA_WITH_3DES_EDE_CBC_SHA"},
 274     {0xC01B, "TLS_SRP_SHA_RSA_WITH_3DES_EDE_CBC_SHA"},
 275     {0xC01C, "TLS_SRP_SHA_DSS_WITH_3DES_EDE_CBC_SHA"},
 276     {0xC01D, "TLS_SRP_SHA_WITH_AES_128_CBC_SHA"},
 277     {0xC01E, "TLS_SRP_SHA_RSA_WITH_AES_128_CBC_SHA"},
 278     {0xC01F, "TLS_SRP_SHA_DSS_WITH_AES_128_CBC_SHA"},
 279     {0xC020, "TLS_SRP_SHA_WITH_AES_256_CBC_SHA"},
 280     {0xC021, "TLS_SRP_SHA_RSA_WITH_AES_256_CBC_SHA"},
 281     {0xC022, "TLS_SRP_SHA_DSS_WITH_AES_256_CBC_SHA"},
 282     {0xC023, "TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256"},
 283     {0xC024, "TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384"},
 284     {0xC025, "TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA256"},
 285     {0xC026, "TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA384"},
 286     {0xC027, "TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256"},
 287     {0xC028, "TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384"},
 288     {0xC029, "TLS_ECDH_RSA_WITH_AES_128_CBC_SHA256"},
 289     {0xC02A, "TLS_ECDH_RSA_WITH_AES_256_CBC_SHA384"},
 290     {0xC02B, "TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256"},
 291     {0xC02C, "TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384"},
 292     {0xC02D, "TLS_ECDH_ECDSA_WITH_AES_128_GCM_SHA256"},
 293     {0xC02E, "TLS_ECDH_ECDSA_WITH_AES_256_GCM_SHA384"},
 294     {0xC02F, "TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256"},
 295     {0xC030, "TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384"},
 296     {0xC031, "TLS_ECDH_RSA_WITH_AES_128_GCM_SHA256"},
 297     {0xC032, "TLS_ECDH_RSA_WITH_AES_256_GCM_SHA384"},
 298     {0xC033, "TLS_ECDHE_PSK_WITH_RC4_128_SHA"},
 299     {0xC034, "TLS_ECDHE_PSK_WITH_3DES_EDE_CBC_SHA"},
 300     {0xC035, "TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA"},
 301     {0xC036, "TLS_ECDHE_PSK_WITH_AES_256_CBC_SHA"},
 302     {0xC037, "TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA256"},
 303     {0xC038, "TLS_ECDHE_PSK_WITH_AES_256_CBC_SHA384"},
 304     {0xC039, "TLS_ECDHE_PSK_WITH_NULL_SHA"},
 305     {0xC03A, "TLS_ECDHE_PSK_WITH_NULL_SHA256"},
 306     {0xC03B, "TLS_ECDHE_PSK_WITH_NULL_SHA384"},
 307     {0xC03C, "TLS_RSA_WITH_ARIA_128_CBC_SHA256"},
 308     {0xC03D, "TLS_RSA_WITH_ARIA_256_CBC_SHA384"},
 309     {0xC03E, "TLS_DH_DSS_WITH_ARIA_128_CBC_SHA256"},
 310     {0xC03F, "TLS_DH_DSS_WITH_ARIA_256_CBC_SHA384"},
 311     {0xC040, "TLS_DH_RSA_WITH_ARIA_128_CBC_SHA256"},
 312     {0xC041, "TLS_DH_RSA_WITH_ARIA_256_CBC_SHA384"},
 313     {0xC042, "TLS_DHE_DSS_WITH_ARIA_128_CBC_SHA256"},
 314     {0xC043, "TLS_DHE_DSS_WITH_ARIA_256_CBC_SHA384"},
 315     {0xC044, "TLS_DHE_RSA_WITH_ARIA_128_CBC_SHA256"},
 316     {0xC045, "TLS_DHE_RSA_WITH_ARIA_256_CBC_SHA384"},
 317     {0xC046, "TLS_DH_anon_WITH_ARIA_128_CBC_SHA256"},
 318     {0xC047, "TLS_DH_anon_WITH_ARIA_256_CBC_SHA384"},
 319     {0xC048, "TLS_ECDHE_ECDSA_WITH_ARIA_128_CBC_SHA256"},
 320     {0xC049, "TLS_ECDHE_ECDSA_WITH_ARIA_256_CBC_SHA384"},
 321     {0xC04A, "TLS_ECDH_ECDSA_WITH_ARIA_128_CBC_SHA256"},
 322     {0xC04B, "TLS_ECDH_ECDSA_WITH_ARIA_256_CBC_SHA384"},
 323     {0xC04C, "TLS_ECDHE_RSA_WITH_ARIA_128_CBC_SHA256"},
 324     {0xC04D, "TLS_ECDHE_RSA_WITH_ARIA_256_CBC_SHA384"},
 325     {0xC04E, "TLS_ECDH_RSA_WITH_ARIA_128_CBC_SHA256"},
 326     {0xC04F, "TLS_ECDH_RSA_WITH_ARIA_256_CBC_SHA384"},
 327     {0xC050, "TLS_RSA_WITH_ARIA_128_GCM_SHA256"},
 328     {0xC051, "TLS_RSA_WITH_ARIA_256_GCM_SHA384"},
 329     {0xC052, "TLS_DHE_RSA_WITH_ARIA_128_GCM_SHA256"},
 330     {0xC053, "TLS_DHE_RSA_WITH_ARIA_256_GCM_SHA384"},
 331     {0xC054, "TLS_DH_RSA_WITH_ARIA_128_GCM_SHA256"},
 332     {0xC055, "TLS_DH_RSA_WITH_ARIA_256_GCM_SHA384"},
 333     {0xC056, "TLS_DHE_DSS_WITH_ARIA_128_GCM_SHA256"},
 334     {0xC057, "TLS_DHE_DSS_WITH_ARIA_256_GCM_SHA384"},
 335     {0xC058, "TLS_DH_DSS_WITH_ARIA_128_GCM_SHA256"},
 336     {0xC059, "TLS_DH_DSS_WITH_ARIA_256_GCM_SHA384"},
 337     {0xC05A, "TLS_DH_anon_WITH_ARIA_128_GCM_SHA256"},
 338     {0xC05B, "TLS_DH_anon_WITH_ARIA_256_GCM_SHA384"},
 339     {0xC05C, "TLS_ECDHE_ECDSA_WITH_ARIA_128_GCM_SHA256"},
 340     {0xC05D, "TLS_ECDHE_ECDSA_WITH_ARIA_256_GCM_SHA384"},
 341     {0xC05E, "TLS_ECDH_ECDSA_WITH_ARIA_128_GCM_SHA256"},
 342     {0xC05F, "TLS_ECDH_ECDSA_WITH_ARIA_256_GCM_SHA384"},
 343     {0xC060, "TLS_ECDHE_RSA_WITH_ARIA_128_GCM_SHA256"},
 344     {0xC061, "TLS_ECDHE_RSA_WITH_ARIA_256_GCM_SHA384"},
 345     {0xC062, "TLS_ECDH_RSA_WITH_ARIA_128_GCM_SHA256"},
 346     {0xC063, "TLS_ECDH_RSA_WITH_ARIA_256_GCM_SHA384"},
 347     {0xC064, "TLS_PSK_WITH_ARIA_128_CBC_SHA256"},
 348     {0xC065, "TLS_PSK_WITH_ARIA_256_CBC_SHA384"},
 349     {0xC066, "TLS_DHE_PSK_WITH_ARIA_128_CBC_SHA256"},
 350     {0xC067, "TLS_DHE_PSK_WITH_ARIA_256_CBC_SHA384"},
 351     {0xC068, "TLS_RSA_PSK_WITH_ARIA_128_CBC_SHA256"},
 352     {0xC069, "TLS_RSA_PSK_WITH_ARIA_256_CBC_SHA384"},
 353     {0xC06A, "TLS_PSK_WITH_ARIA_128_GCM_SHA256"},
 354     {0xC06B, "TLS_PSK_WITH_ARIA_256_GCM_SHA384"},
 355     {0xC06C, "TLS_DHE_PSK_WITH_ARIA_128_GCM_SHA256"},
 356     {0xC06D, "TLS_DHE_PSK_WITH_ARIA_256_GCM_SHA384"},
 357     {0xC06E, "TLS_RSA_PSK_WITH_ARIA_128_GCM_SHA256"},
 358     {0xC06F, "TLS_RSA_PSK_WITH_ARIA_256_GCM_SHA384"},
 359     {0xC070, "TLS_ECDHE_PSK_WITH_ARIA_128_CBC_SHA256"},
 360     {0xC071, "TLS_ECDHE_PSK_WITH_ARIA_256_CBC_SHA384"},
 361     {0xC072, "TLS_ECDHE_ECDSA_WITH_CAMELLIA_128_CBC_SHA256"},
 362     {0xC073, "TLS_ECDHE_ECDSA_WITH_CAMELLIA_256_CBC_SHA384"},
 363     {0xC074, "TLS_ECDH_ECDSA_WITH_CAMELLIA_128_CBC_SHA256"},
 364     {0xC075, "TLS_ECDH_ECDSA_WITH_CAMELLIA_256_CBC_SHA384"},
 365     {0xC076, "TLS_ECDHE_RSA_WITH_CAMELLIA_128_CBC_SHA256"},
 366     {0xC077, "TLS_ECDHE_RSA_WITH_CAMELLIA_256_CBC_SHA384"},
 367     {0xC078, "TLS_ECDH_RSA_WITH_CAMELLIA_128_CBC_SHA256"},
 368     {0xC079, "TLS_ECDH_RSA_WITH_CAMELLIA_256_CBC_SHA384"},
 369     {0xC07A, "TLS_RSA_WITH_CAMELLIA_128_GCM_SHA256"},
 370     {0xC07B, "TLS_RSA_WITH_CAMELLIA_256_GCM_SHA384"},
 371     {0xC07C, "TLS_DHE_RSA_WITH_CAMELLIA_128_GCM_SHA256"},
 372     {0xC07D, "TLS_DHE_RSA_WITH_CAMELLIA_256_GCM_SHA384"},
 373     {0xC07E, "TLS_DH_RSA_WITH_CAMELLIA_128_GCM_SHA256"},
 374     {0xC07F, "TLS_DH_RSA_WITH_CAMELLIA_256_GCM_SHA384"},
 375     {0xC080, "TLS_DHE_DSS_WITH_CAMELLIA_128_GCM_SHA256"},
 376     {0xC081, "TLS_DHE_DSS_WITH_CAMELLIA_256_GCM_SHA384"},
 377     {0xC082, "TLS_DH_DSS_WITH_CAMELLIA_128_GCM_SHA256"},
 378     {0xC083, "TLS_DH_DSS_WITH_CAMELLIA_256_GCM_SHA384"},
 379     {0xC084, "TLS_DH_anon_WITH_CAMELLIA_128_GCM_SHA256"},
 380     {0xC085, "TLS_DH_anon_WITH_CAMELLIA_256_GCM_SHA384"},
 381     {0xC086, "TLS_ECDHE_ECDSA_WITH_CAMELLIA_128_GCM_SHA256"},
 382     {0xC087, "TLS_ECDHE_ECDSA_WITH_CAMELLIA_256_GCM_SHA384"},
 383     {0xC088, "TLS_ECDH_ECDSA_WITH_CAMELLIA_128_GCM_SHA256"},
 384     {0xC089, "TLS_ECDH_ECDSA_WITH_CAMELLIA_256_GCM_SHA384"},
 385     {0xC08A, "TLS_ECDHE_RSA_WITH_CAMELLIA_128_GCM_SHA256"},
 386     {0xC08B, "TLS_ECDHE_RSA_WITH_CAMELLIA_256_GCM_SHA384"},
 387     {0xC08C, "TLS_ECDH_RSA_WITH_CAMELLIA_128_GCM_SHA256"},
 388     {0xC08D, "TLS_ECDH_RSA_WITH_CAMELLIA_256_GCM_SHA384"},
 389     {0xC08E, "TLS_PSK_WITH_CAMELLIA_128_GCM_SHA256"},
 390     {0xC08F, "TLS_PSK_WITH_CAMELLIA_256_GCM_SHA384"},
 391     {0xC090, "TLS_DHE_PSK_WITH_CAMELLIA_128_GCM_SHA256"},
 392     {0xC091, "TLS_DHE_PSK_WITH_CAMELLIA_256_GCM_SHA384"},
 393     {0xC092, "TLS_RSA_PSK_WITH_CAMELLIA_128_GCM_SHA256"},
 394     {0xC093, "TLS_RSA_PSK_WITH_CAMELLIA_256_GCM_SHA384"},
 395     {0xC094, "TLS_PSK_WITH_CAMELLIA_128_CBC_SHA256"},
 396     {0xC095, "TLS_PSK_WITH_CAMELLIA_256_CBC_SHA384"},
 397     {0xC096, "TLS_DHE_PSK_WITH_CAMELLIA_128_CBC_SHA256"},
 398     {0xC097, "TLS_DHE_PSK_WITH_CAMELLIA_256_CBC_SHA384"},
 399     {0xC098, "TLS_RSA_PSK_WITH_CAMELLIA_128_CBC_SHA256"},
 400     {0xC099, "TLS_RSA_PSK_WITH_CAMELLIA_256_CBC_SHA384"},
 401     {0xC09A, "TLS_ECDHE_PSK_WITH_CAMELLIA_128_CBC_SHA256"},
 402     {0xC09B, "TLS_ECDHE_PSK_WITH_CAMELLIA_256_CBC_SHA384"},
 403     {0xC09C, "TLS_RSA_WITH_AES_128_CCM"},
 404     {0xC09D, "TLS_RSA_WITH_AES_256_CCM"},
 405     {0xC09E, "TLS_DHE_RSA_WITH_AES_128_CCM"},
 406     {0xC09F, "TLS_DHE_RSA_WITH_AES_256_CCM"},
 407     {0xC0A0, "TLS_RSA_WITH_AES_128_CCM_8"},
 408     {0xC0A1, "TLS_RSA_WITH_AES_256_CCM_8"},
 409     {0xC0A2, "TLS_DHE_RSA_WITH_AES_128_CCM_8"},
 410     {0xC0A3, "TLS_DHE_RSA_WITH_AES_256_CCM_8"},
 411     {0xC0A4, "TLS_PSK_WITH_AES_128_CCM"},
 412     {0xC0A5, "TLS_PSK_WITH_AES_256_CCM"},
 413     {0xC0A6, "TLS_DHE_PSK_WITH_AES_128_CCM"},
 414     {0xC0A7, "TLS_DHE_PSK_WITH_AES_256_CCM"},
 415     {0xC0A8, "TLS_PSK_WITH_AES_128_CCM_8"},
 416     {0xC0A9, "TLS_PSK_WITH_AES_256_CCM_8"},
 417     {0xC0AA, "TLS_PSK_DHE_WITH_AES_128_CCM_8"},
 418     {0xC0AB, "TLS_PSK_DHE_WITH_AES_256_CCM_8"},
 419     {0xC0AC, "TLS_ECDHE_ECDSA_WITH_AES_128_CCM"},
 420     {0xC0AD, "TLS_ECDHE_ECDSA_WITH_AES_256_CCM"},
 421     {0xC0AE, "TLS_ECDHE_ECDSA_WITH_AES_128_CCM_8"},
 422     {0xC0AF, "TLS_ECDHE_ECDSA_WITH_AES_256_CCM_8"},
 423     {0xCCA8, "TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305"},
 424     {0xCCA9, "TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305"},
 425     {0xCCAA, "TLS_DHE_RSA_WITH_CHACHA20_POLY1305"},
 426     {0xCCAB, "TLS_PSK_WITH_CHACHA20_POLY1305"},
 427     {0xCCAC, "TLS_ECDHE_PSK_WITH_CHACHA20_POLY1305"},
 428     {0xCCAD, "TLS_DHE_PSK_WITH_CHACHA20_POLY1305"},
 429     {0xCCAE, "TLS_RSA_PSK_WITH_CHACHA20_POLY1305"},
 430     {0x1301, "TLS_AES_128_GCM_SHA256"},
 431     {0x1302, "TLS_AES_256_GCM_SHA384"},
 432     {0x1303, "TLS_CHACHA20_POLY1305_SHA256"},
 433     {0x1304, "TLS_AES_128_CCM_SHA256"},
 434     {0x1305, "TLS_AES_128_CCM_8_SHA256"},
 435     {0xFEFE, "SSL_RSA_FIPS_WITH_DES_CBC_SHA"},
 436     {0xFEFF, "SSL_RSA_FIPS_WITH_3DES_EDE_CBC_SHA"},
 437 };
 438
 439 /* Compression methods */
 440 static ssl_trace_tbl ssl_comp_tbl[] = {
 441     {0x0000, "No Compression"},
 442     {0x0001, "Zlib Compression"}
 443 };
 444
 445 /* Extensions */
 446 static ssl_trace_tbl ssl_exts_tbl[] = {
 447     {TLSEXT_TYPE_server_name, "server_name"},
 448     {TLSEXT_TYPE_max_fragment_length, "max_fragment_length"},
 449     {TLSEXT_TYPE_client_certificate_url, "client_certificate_url"},
 450     {TLSEXT_TYPE_trusted_ca_keys, "trusted_ca_keys"},
 451     {TLSEXT_TYPE_truncated_hmac, "truncated_hmac"},
 452     {TLSEXT_TYPE_status_request, "status_request"},
 453     {TLSEXT_TYPE_user_mapping, "user_mapping"},
 454     {TLSEXT_TYPE_client_authz, "client_authz"},
 455     {TLSEXT_TYPE_server_authz, "server_authz"},
 456     {TLSEXT_TYPE_cert_type, "cert_type"},
 457     {TLSEXT_TYPE_key_share, "key_share"},
 458     {TLSEXT_TYPE_psk_kex_modes, "psk_key_exchange_modes"},
 459     {TLSEXT_TYPE_supported_groups, "supported_groups"},
 460     {TLSEXT_TYPE_ec_point_formats, "ec_point_formats"},
 461     {TLSEXT_TYPE_srp, "srp"},
 462     {TLSEXT_TYPE_signature_algorithms, "signature_algorithms"},
 463     {TLSEXT_TYPE_use_srtp, "use_srtp"},
 464     {TLSEXT_TYPE_session_ticket, "session_ticket"},
 465     {TLSEXT_TYPE_supported_versions, "supported_versions"},
 466     {TLSEXT_TYPE_renegotiate, "renegotiate"},
 467 # ifndef OPENSSL_NO_NEXTPROTONEG
 468     {TLSEXT_TYPE_next_proto_neg, "next_proto_neg"},
 469 # endif
 470     {TLSEXT_TYPE_signed_certificate_timestamp, "signed_certificate_timestamps"},
 471     {TLSEXT_TYPE_padding, "padding"},
 472     {TLSEXT_TYPE_encrypt_then_mac, "encrypt_then_mac"},
 473     {TLSEXT_TYPE_extended_master_secret, "extended_master_secret"}
 474 };
 475
 476 static ssl_trace_tbl ssl_groups_tbl[] = {
 477     {1, "sect163k1 (K-163)"},
 478     {2, "sect163r1"},
 479     {3, "sect163r2 (B-163)"},
 480     {4, "sect193r1"},
 481     {5, "sect193r2"},
 482     {6, "sect233k1 (K-233)"},
 483     {7, "sect233r1 (B-233)"},
 484     {8, "sect239k1"},
 485     {9, "sect283k1 (K-283)"},
 486     {10, "sect283r1 (B-283)"},
 487     {11, "sect409k1 (K-409)"},
 488     {12, "sect409r1 (B-409)"},
 489     {13, "sect571k1 (K-571)"},
 490     {14, "sect571r1 (B-571)"},
 491     {15, "secp160k1"},
 492     {16, "secp160r1"},
 493     {17, "secp160r2"},
 494     {18, "secp192k1"},
 495     {19, "secp192r1 (P-192)"},
 496     {20, "secp224k1"},
 497     {21, "secp224r1 (P-224)"},
 498     {22, "secp256k1"},
 499     {23, "secp256r1 (P-256)"},
 500     {24, "secp384r1 (P-384)"},
 501     {25, "secp521r1 (P-521)"},
 502     {26, "brainpoolP256r1"},
 503     {27, "brainpoolP384r1"},
 504     {28, "brainpoolP512r1"},
 505     {29, "ecdh_x25519"},
 506     {0xFF01, "arbitrary_explicit_prime_curves"},
 507     {0xFF02, "arbitrary_explicit_char2_curves"}
 508 };
 509
 510 static ssl_trace_tbl ssl_point_tbl[] = {
 511     {0, "uncompressed"},
 512     {1, "ansiX962_compressed_prime"},
 513     {2, "ansiX962_compressed_char2"}
 514 };
 515
 516 static ssl_trace_tbl ssl_sigalg_tbl[] = {
 517     {TLSEXT_SIGALG_ecdsa_secp256r1_sha256, "ecdsa_secp256r1_sha256"},
 518     {TLSEXT_SIGALG_ecdsa_secp384r1_sha384, "ecdsa_secp384r1_sha384"},
 519     {TLSEXT_SIGALG_ecdsa_secp521r1_sha512, "ecdsa_secp521r1_sha512"},
 520     {TLSEXT_SIGALG_ecdsa_sha1, "ecdsa_sha1"},
 521     {TLSEXT_SIGALG_rsa_pss_sha256, "rsa_pss_sha256"},
 522     {TLSEXT_SIGALG_rsa_pss_sha384, "rsa_pss_sha384"},
 523     {TLSEXT_SIGALG_rsa_pss_sha512, "rsa_pss_sha512"},
 524     {TLSEXT_SIGALG_rsa_pkcs1_sha256, "rsa_pkcs1_sha256"},
 525     {TLSEXT_SIGALG_rsa_pkcs1_sha384, "rsa_pkcs1_sha384"},
 526     {TLSEXT_SIGALG_rsa_pkcs1_sha512, "rsa_pkcs1_sha512"},
 527     {TLSEXT_SIGALG_rsa_pkcs1_sha1, "rsa_pkcs1_sha1"},
 528     {TLSEXT_SIGALG_dsa_sha256, "dsa_sha256"},
 529     {TLSEXT_SIGALG_dsa_sha384, "dsa_sha384"},
 530     {TLSEXT_SIGALG_dsa_sha512, "dsa_sha512"},
 531     {TLSEXT_SIGALG_dsa_sha1, "dsa_sha1"},
 532     {TLSEXT_SIGALG_gostr34102012_256_gostr34112012_256, "gost2012_256"},
 533     {TLSEXT_SIGALG_gostr34102012_512_gostr34112012_512, "gost2012_512"},
 534     {TLSEXT_SIGALG_gostr34102001_gostr3411, "gost2001_gost94"},
 535 };
 536
 537 static ssl_trace_tbl ssl_ctype_tbl[] = {
 538     {1, "rsa_sign"},
 539     {2, "dss_sign"},
 540     {3, "rsa_fixed_dh"},
 541     {4, "dss_fixed_dh"},
 542     {5, "rsa_ephemeral_dh"},
 543     {6, "dss_ephemeral_dh"},
 544     {20, "fortezza_dms"},
 545     {64, "ecdsa_sign"},
 546     {65, "rsa_fixed_ecdh"},
 547     {66, "ecdsa_fixed_ecdh"}
 548 };
 549
 550 static ssl_trace_tbl ssl_psk_kex_modes_tbl[] = {
 551     {TLSEXT_KEX_MODE_KE, "psk_ke"},
 552     {TLSEXT_KEX_MODE_KE_DHE, "psk_dhe_ke"}
 553 };
 554
 555 static ssl_trace_tbl ssl_crypto_tbl[] = {
 556     {TLS1_RT_CRYPTO_PREMASTER, "Premaster Secret"},
 557     {TLS1_RT_CRYPTO_CLIENT_RANDOM, "Client Random"},
 558     {TLS1_RT_CRYPTO_SERVER_RANDOM, "Server Random"},
 559     {TLS1_RT_CRYPTO_MASTER, "Master Secret"},
 560     {TLS1_RT_CRYPTO_MAC | TLS1_RT_CRYPTO_WRITE, "Write Mac Secret"},
 561     {TLS1_RT_CRYPTO_MAC | TLS1_RT_CRYPTO_READ, "Read Mac Secret"},
 562     {TLS1_RT_CRYPTO_KEY | TLS1_RT_CRYPTO_WRITE, "Write Key"},
 563     {TLS1_RT_CRYPTO_KEY | TLS1_RT_CRYPTO_READ, "Read Key"},
 564     {TLS1_RT_CRYPTO_IV | TLS1_RT_CRYPTO_WRITE, "Write IV"},
 565     {TLS1_RT_CRYPTO_IV | TLS1_RT_CRYPTO_READ, "Read IV"},
 566     {TLS1_RT_CRYPTO_FIXED_IV | TLS1_RT_CRYPTO_WRITE, "Write IV (fixed part)"},
 567     {TLS1_RT_CRYPTO_FIXED_IV | TLS1_RT_CRYPTO_READ, "Read IV (fixed part)"}
 568 };
 569
 570 static ssl_trace_tbl ssl_key_update_tbl[] = {
 571     {SSL_KEY_UPDATE_NOT_REQUESTED, "update_not_requested"},
 572     {SSL_KEY_UPDATE_REQUESTED, "update_requested"}
 573 };
 574
 575 static void ssl_print_hex(BIO *bio, int indent, const char *name,
 576                           const unsigned char *msg, size_t msglen)
 577 {
 578     size_t i;
 579     BIO_indent(bio, indent, 80);
 580     BIO_printf(bio, "%s (len=%d): ", name, (int)msglen);
 581     for (i = 0; i < msglen; i++)
 582         BIO_printf(bio, "%02X", msg[i]);
 583     BIO_puts(bio, "\n");
 584 }
 585
 586 static int ssl_print_hexbuf(BIO *bio, int indent,
 587                             const char *name, size_t nlen,
 588                             const unsigned char **pmsg, size_t *pmsglen)
 589 {
 590     size_t blen;
 591     const unsigned char *p = *pmsg;
 592     if (*pmsglen < nlen)
 593         return 0;
 594     blen = p[0];
 595     if (nlen > 1)
 596         blen = (blen << 8) | p[1];
 597     if (*pmsglen < nlen + blen)
 598         return 0;
 599     p += nlen;
 600     ssl_print_hex(bio, indent, name, p, blen);
 601     *pmsg += blen + nlen;
 602     *pmsglen -= blen + nlen;
 603     return 1;
 604 }
 605
 606 static int ssl_print_version(BIO *bio, int indent, const char *name,
 607                              const unsigned char **pmsg, size_t *pmsglen,
 608                              unsigned int *version)
 609 {
 610     int vers;
 611
 612     if (*pmsglen < 2)
 613         return 0;
 614     vers = ((*pmsg)[0] << 8) | (*pmsg)[1];
 615     if (version != NULL) {
 616         /* TODO(TLS1.3): Remove the draft conditional here before release */
 617         *version = (vers == TLS1_3_VERSION_DRAFT) ? TLS1_3_VERSION : vers;
 618     }
 619     BIO_indent(bio, indent, 80);
 620     BIO_printf(bio, "%s=0x%x (%s)\n",
 621                name, vers, ssl_trace_str(vers, ssl_version_tbl));
 622     *pmsg += 2;
 623     *pmsglen -= 2;
 624     return 1;
 625 }
 626
 627 static int ssl_print_random(BIO *bio, int indent,
 628                             const unsigned char **pmsg, size_t *pmsglen)
 629 {
 630     unsigned int tm;
 631     const unsigned char *p = *pmsg;
 632     if (*pmsglen < 32)
 633         return 0;
 634     tm = (p[0] << 24) | (p[1] << 16) | (p[2] << 8) | p[3];
 635     p += 4;
 636     BIO_indent(bio, indent, 80);
 637     BIO_puts(bio, "Random:\n");
 638     BIO_indent(bio, indent + 2, 80);
 639     BIO_printf(bio, "gmt_unix_time=0x%08X\n", tm);
 640     ssl_print_hex(bio, indent + 2, "random_bytes", p, 28);
 641     *pmsg += 32;
 642     *pmsglen -= 32;
 643     return 1;
 644 }
 645
 646 static int ssl_print_signature(BIO *bio, int indent, SSL *s,
 647                                const unsigned char **pmsg, size_t *pmsglen)
 648 {
 649     if (*pmsglen < 2)
 650         return 0;
 651     if (SSL_USE_SIGALGS(s)) {
 652         const unsigned char *p = *pmsg;
 653         unsigned int sigalg = (p[0] << 8) | p[1];
 654
 655         BIO_indent(bio, indent, 80);
 656         BIO_printf(bio, "Signature Algorithm: %s (0x%04x)\n",
 657                    ssl_trace_str(sigalg, ssl_sigalg_tbl), sigalg);
 658         *pmsg += 2;
 659         *pmsglen -= 2;
 660     }
 661     return ssl_print_hexbuf(bio, indent, "Signature", 2, pmsg, pmsglen);
 662 }
 663
 664 static int ssl_print_extension(BIO *bio, int indent, int server,
 665                                unsigned char mt, int extype,
 666                                const unsigned char *ext, size_t extlen)
 667 {
 668     size_t xlen, share_len;
 669     unsigned int sigalg;
 670
 671     BIO_indent(bio, indent, 80);
 672     BIO_printf(bio, "extension_type=%s(%d), length=%d\n",
 673                ssl_trace_str(extype, ssl_exts_tbl), extype, (int)extlen);
 674     switch (extype) {
 675     case TLSEXT_TYPE_ec_point_formats:
 676         if (extlen < 1)
 677             return 0;
 678         xlen = ext[0];
 679         if (extlen != xlen + 1)
 680             return 0;
 681         return ssl_trace_list(bio, indent + 2, ext + 1, xlen, 1, ssl_point_tbl);
 682
 683     case TLSEXT_TYPE_supported_groups:
 684         if (extlen < 2)
 685             return 0;
 686         xlen = (ext[0] << 8) | ext[1];
 687         if (extlen != xlen + 2)
 688             return 0;
 689         return ssl_trace_list(bio, indent + 2, ext + 2, xlen, 2, ssl_groups_tbl);
 690
 691     case TLSEXT_TYPE_signature_algorithms:
 692
 693         if (extlen < 2)
 694             return 0;
 695         xlen = (ext[0] << 8) | ext[1];
 696         if (extlen != xlen + 2)
 697             return 0;
 698         if (xlen & 1)
 699             return 0;
 700         ext += 2;
 701         while (xlen > 0) {
 702             BIO_indent(bio, indent + 2, 80);
 703             sigalg = (ext[0] << 8) | ext[1];
 704             BIO_printf(bio, "%s (0x%04x)\n",
 705                        ssl_trace_str(sigalg, ssl_sigalg_tbl), sigalg);
 706             xlen -= 2;
 707             ext += 2;
 708         }
 709         break;
 710
 711     case TLSEXT_TYPE_renegotiate:
 712         if (extlen < 1)
 713             return 0;
 714         xlen = ext[0];
 715         if (xlen + 1 != extlen)
 716             return 0;
 717         ext++;
 718         if (xlen) {
 719             if (server) {
 720                 if (xlen & 1)
 721                     return 0;
 722                 xlen >>= 1;
 723             }
 724             ssl_print_hex(bio, indent + 4, "client_verify_data", ext, xlen);
 725             if (server) {
 726                 ext += xlen;
 727                 ssl_print_hex(bio, indent + 4, "server_verify_data", ext, xlen);
 728             }
 729         } else {
 730             BIO_indent(bio, indent + 4, 80);
 731             BIO_puts(bio, "<EMPTY>\n");
 732         }
 733         break;
 734
 735     case TLSEXT_TYPE_heartbeat:
 736         return 0;
 737
 738     case TLSEXT_TYPE_session_ticket:
 739         if (extlen != 0)
 740             ssl_print_hex(bio, indent + 4, "ticket", ext, extlen);
 741         break;
 742
 743     case TLSEXT_TYPE_key_share:
 744         if (mt == SSL3_MT_HELLO_RETRY_REQUEST) {
 745             int group_id;
 746
 747             if (extlen != 2)
 748                 return 0;
 749             group_id = (ext[0] << 8) | ext[1];
 750             BIO_indent(bio, indent + 4, 80);
 751             BIO_printf(bio, "NamedGroup: %s\n",
 752                        ssl_trace_str(group_id, ssl_groups_tbl));
 753             break;
 754         }
 755         if (extlen < 2)
 756             return 0;
 757         if (server) {
 758             xlen = extlen;
 759         } else {
 760             xlen = (ext[0] << 8) | ext[1];
 761             if (extlen != xlen + 2)
 762                 return 0;
 763             ext += 2;
 764         }
 765         for (; xlen > 0; ext += share_len, xlen -= share_len) {
 766             int group_id;
 767
 768             if (xlen < 4)
 769                 return 0;
 770             group_id = (ext[0] << 8) | ext[1];
 771             share_len = (ext[2] << 8) | ext[3];
 772             ext += 4;
 773             xlen -= 4;
 774             if (xlen < share_len)
 775                 return 0;
 776             BIO_indent(bio, indent + 4, 80);
 777             BIO_printf(bio, "NamedGroup: %s\n",
 778                        ssl_trace_str(group_id, ssl_groups_tbl));
 779             ssl_print_hex(bio, indent + 4, "key_exchange: ", ext, share_len);
 780         }
 781         break;
 782
 783     case TLSEXT_TYPE_supported_versions:
 784         if (extlen < 1)
 785             return 0;
 786         xlen = ext[0];
 787         if (extlen != xlen + 1)
 788             return 0;
 789         return ssl_trace_list(bio, indent + 2, ext + 1, xlen, 2,
 790                               ssl_version_tbl);
 791
 792     case TLSEXT_TYPE_psk_kex_modes:
 793         if (extlen < 1)
 794             return 0;
 795         xlen = ext[0];
 796         if (extlen != xlen + 1)
 797             return 0;
 798         return ssl_trace_list(bio, indent + 2, ext + 1, xlen, 1,
 799                               ssl_psk_kex_modes_tbl);
 800
 801     default:
 802         BIO_dump_indent(bio, (const char *)ext, extlen, indent + 2);
 803     }
 804     return 1;
 805 }
 806
 807 static int ssl_print_extensions(BIO *bio, int indent, int server,
 808                                 unsigned char mt, const unsigned char **msgin,
 809                                 size_t *msginlen)
 810 {
 811     size_t extslen, msglen = *msginlen;
 812     const unsigned char *msg = *msgin;
 813
 814     BIO_indent(bio, indent, 80);
 815     if (msglen == 0) {
 816         BIO_puts(bio, "No Extensions\n");
 817         return 1;
 818     }
 819     extslen = (msg[0] << 8) | msg[1];
 820     if (extslen != msglen - 2)
 821         return 0;
 822     msg += 2;
 823     msglen = extslen;
 824     BIO_printf(bio, "extensions, length = %d\n", (int)msglen);
 825     while (msglen > 0) {
 826         int extype;
 827         size_t extlen;
 828         if (msglen < 4)
 829             return 0;
 830         extype = (msg[0] << 8) | msg[1];
 831         extlen = (msg[2] << 8) | msg[3];
 832         if (msglen < extlen + 4)
 833             return 0;
 834         msg += 4;
 835         if (!ssl_print_extension(bio, indent + 2, server, mt, extype, msg,
 836                                  extlen))
 837             return 0;
 838         msg += extlen;
 839         msglen -= extlen + 4;
 840     }
 841
 842     *msgin = msg;
 843     *msginlen = msglen;
 844     return 1;
 845 }
 846
 847 static int ssl_print_client_hello(BIO *bio, SSL *ssl, int indent,
 848                                   const unsigned char *msg, size_t msglen)
 849 {
 850     size_t len;
 851     unsigned int cs;
 852     if (!ssl_print_version(bio, indent, "client_version", &msg, &msglen, NULL))
 853         return 0;
 854     if (!ssl_print_random(bio, indent, &msg, &msglen))
 855         return 0;
 856     if (!ssl_print_hexbuf(bio, indent, "session_id", 1, &msg, &msglen))
 857         return 0;
 858     if (SSL_IS_DTLS(ssl)) {
 859         if (!ssl_print_hexbuf(bio, indent, "cookie", 1, &msg, &msglen))
 860             return 0;
 861     }
 862     if (msglen < 2)
 863         return 0;
 864     len = (msg[0] << 8) | msg[1];
 865     msg += 2;
 866     msglen -= 2;
 867     BIO_indent(bio, indent, 80);
 868     BIO_printf(bio, "cipher_suites (len=%d)\n", (int)len);
 869     if (msglen < len || len & 1)
 870         return 0;
 871     while (len > 0) {
 872         cs = (msg[0] << 8) | msg[1];
 873         BIO_indent(bio, indent + 2, 80);
 874         BIO_printf(bio, "{0x%02X, 0x%02X} %s\n",
 875                    msg[0], msg[1], ssl_trace_str(cs, ssl_ciphers_tbl));
 876         msg += 2;
 877         msglen -= 2;
 878         len -= 2;
 879     }
 880     if (msglen < 1)
 881         return 0;
 882     len = msg[0];
 883     msg++;
 884     msglen--;
 885     if (msglen < len)
 886         return 0;
 887     BIO_indent(bio, indent, 80);
 888     BIO_printf(bio, "compression_methods (len=%d)\n", (int)len);
 889     while (len > 0) {
 890         BIO_indent(bio, indent + 2, 80);
 891         BIO_printf(bio, "%s (0x%02X)\n",
 892                    ssl_trace_str(msg[0], ssl_comp_tbl), msg[0]);
 893         msg++;
 894         msglen--;
 895         len--;
 896     }
 897     if (!ssl_print_extensions(bio, indent, 0, SSL3_MT_CLIENT_HELLO, &msg,
 898                               &msglen))
 899         return 0;
 900     return 1;
 901 }
 902
 903 static int dtls_print_hello_vfyrequest(BIO *bio, int indent,
 904                                        const unsigned char *msg, size_t msglen)
 905 {
 906     if (!ssl_print_version(bio, indent, "server_version", &msg, &msglen, NULL))
 907         return 0;
 908     if (!ssl_print_hexbuf(bio, indent, "cookie", 1, &msg, &msglen))
 909         return 0;
 910     return 1;
 911 }
 912
 913 static int ssl_print_server_hello(BIO *bio, int indent,
 914                                   const unsigned char *msg, size_t msglen)
 915 {
 916     unsigned int cs;
 917     unsigned int vers;
 918
 919     if (!ssl_print_version(bio, indent, "server_version", &msg, &msglen, &vers))
 920         return 0;
 921     if (!ssl_print_random(bio, indent, &msg, &msglen))
 922         return 0;
 923     if (vers != TLS1_3_VERSION
 924             && !ssl_print_hexbuf(bio, indent, "session_id", 1, &msg, &msglen))
 925         return 0;
 926     if (msglen < 2)
 927         return 0;
 928     cs = (msg[0] << 8) | msg[1];
 929     BIO_indent(bio, indent, 80);
 930     BIO_printf(bio, "cipher_suite {0x%02X, 0x%02X} %s\n",
 931                msg[0], msg[1], ssl_trace_str(cs, ssl_ciphers_tbl));
 932     msg += 2;
 933     msglen -= 2;
 934     if (vers != TLS1_3_VERSION) {
 935         if (msglen < 1)
 936             return 0;
 937         BIO_indent(bio, indent, 80);
 938         BIO_printf(bio, "compression_method: %s (0x%02X)\n",
 939                    ssl_trace_str(msg[0], ssl_comp_tbl), msg[0]);
 940         msg++;
 941         msglen--;
 942     }
 943     if (!ssl_print_extensions(bio, indent, 1, SSL3_MT_SERVER_HELLO, &msg,
 944                               &msglen))
 945         return 0;
 946     return 1;
 947 }
 948
 949 static int ssl_get_keyex(const char **pname, SSL *ssl)
 950 {
 951     unsigned long alg_k = ssl->s3->tmp.new_cipher->algorithm_mkey;
 952     if (alg_k & SSL_kRSA) {
 953         *pname = "rsa";
 954         return SSL_kRSA;
 955     }
 956     if (alg_k & SSL_kDHE) {
 957         *pname = "DHE";
 958         return SSL_kDHE;
 959     }
 960     if (alg_k & SSL_kECDHE) {
 961         *pname = "ECDHE";
 962         return SSL_kECDHE;
 963     }
 964     if (alg_k & SSL_kPSK) {
 965         *pname = "PSK";
 966         return SSL_kPSK;
 967     }
 968     if (alg_k & SSL_kRSAPSK) {
 969         *pname = "RSAPSK";
 970         return SSL_kRSAPSK;
 971     }
 972     if (alg_k & SSL_kDHEPSK) {
 973         *pname = "DHEPSK";
 974         return SSL_kDHEPSK;
 975     }
 976     if (alg_k & SSL_kECDHEPSK) {
 977         *pname = "ECDHEPSK";
 978         return SSL_kECDHEPSK;
 979     }
 980     if (alg_k & SSL_kSRP) {
 981         *pname = "SRP";
 982         return SSL_kSRP;
 983     }
 984     if (alg_k & SSL_kGOST) {
 985         *pname = "GOST";
 986         return SSL_kGOST;
 987     }
 988     *pname = "UNKNOWN";
 989     return 0;
 990 }
 991
 992 static int ssl_print_client_keyex(BIO *bio, int indent, SSL *ssl,
 993                                   const unsigned char *msg, size_t msglen)
 994 {
 995     const char *algname;
 996     int id;
 997     id = ssl_get_keyex(&algname, ssl);
 998     BIO_indent(bio, indent, 80);
 999     BIO_printf(bio, "KeyExchangeAlgorithm=%s\n", algname);
1000     if (id & SSL_PSK) {
1001         if (!ssl_print_hexbuf(bio, indent + 2,
1002                               "psk_identity", 2, &msg, &msglen))
1003             return 0;
1004     }
1005     switch (id) {
1006
1007     case SSL_kRSA:
1008     case SSL_kRSAPSK:
1009         if (TLS1_get_version(ssl) == SSL3_VERSION) {
1010             ssl_print_hex(bio, indent + 2,
1011                           "EncyptedPreMasterSecret", msg, msglen);
1012         } else {
1013             if (!ssl_print_hexbuf(bio, indent + 2,
1014                                   "EncyptedPreMasterSecret", 2, &msg, &msglen))
1015                 return 0;
1016         }
1017         break;
1018
1019     case SSL_kDHE:
1020     case SSL_kDHEPSK:
1021         if (!ssl_print_hexbuf(bio, indent + 2, "dh_Yc", 2, &msg, &msglen))
1022             return 0;
1023         break;
1024
1025     case SSL_kECDHE:
1026     case SSL_kECDHEPSK:
1027         if (!ssl_print_hexbuf(bio, indent + 2, "ecdh_Yc", 1, &msg, &msglen))
1028             return 0;
1029         break;
1030
1031     }
1032
1033     return !msglen;
1034 }
1035
1036 static int ssl_print_server_keyex(BIO *bio, int indent, SSL *ssl,
1037                                   const unsigned char *msg, size_t msglen)
1038 {
1039     const char *algname;
1040     int id;
1041     id = ssl_get_keyex(&algname, ssl);
1042     BIO_indent(bio, indent, 80);
1043     BIO_printf(bio, "KeyExchangeAlgorithm=%s\n", algname);
1044     if (id & SSL_PSK) {
1045         if (!ssl_print_hexbuf(bio, indent + 2,
1046                               "psk_identity_hint", 2, &msg, &msglen))
1047             return 0;
1048     }
1049     switch (id) {
1050     case SSL_kRSA:
1051
1052         if (!ssl_print_hexbuf(bio, indent + 2, "rsa_modulus", 2, &msg, &msglen))
1053             return 0;
1054         if (!ssl_print_hexbuf(bio, indent + 2, "rsa_exponent", 2,
1055                               &msg, &msglen))
1056             return 0;
1057         break;
1058
1059     case SSL_kDHE:
1060     case SSL_kDHEPSK:
1061         if (!ssl_print_hexbuf(bio, indent + 2, "dh_p", 2, &msg, &msglen))
1062             return 0;
1063         if (!ssl_print_hexbuf(bio, indent + 2, "dh_g", 2, &msg, &msglen))
1064             return 0;
1065         if (!ssl_print_hexbuf(bio, indent + 2, "dh_Ys", 2, &msg, &msglen))
1066             return 0;
1067         break;
1068
1069 # ifndef OPENSSL_NO_EC
1070     case SSL_kECDHE:
1071     case SSL_kECDHEPSK:
1072         if (msglen < 1)
1073             return 0;
1074         BIO_indent(bio, indent + 2, 80);
1075         if (msg[0] == EXPLICIT_PRIME_CURVE_TYPE)
1076             BIO_puts(bio, "explicit_prime\n");
1077         else if (msg[0] == EXPLICIT_CHAR2_CURVE_TYPE)
1078             BIO_puts(bio, "explicit_char2\n");
1079         else if (msg[0] == NAMED_CURVE_TYPE) {
1080             int curve;
1081             if (msglen < 3)
1082                 return 0;
1083             curve = (msg[1] << 8) | msg[2];
1084             BIO_printf(bio, "named_curve: %s (%d)\n",
1085                        ssl_trace_str(curve, ssl_groups_tbl), curve);
1086             msg += 3;
1087             msglen -= 3;
1088             if (!ssl_print_hexbuf(bio, indent + 2, "point", 1, &msg, &msglen))
1089                 return 0;
1090         } else {
1091             BIO_printf(bio, "UNKNOWN CURVE PARAMETER TYPE %d\n", msg[0]);
1092             return 0;
1093         }
1094         break;
1095 # endif
1096
1097     case SSL_kPSK:
1098     case SSL_kRSAPSK:
1099         break;
1100     }
1101     if (!(id & SSL_PSK))
1102         ssl_print_signature(bio, indent, ssl, &msg, &msglen);
1103     return !msglen;
1104 }
1105
1106 static int ssl_print_certificate(BIO *bio, int indent,
1107                                  const unsigned char **pmsg, size_t *pmsglen)
1108 {
1109     size_t msglen = *pmsglen;
1110     size_t clen;
1111     X509 *x;
1112     const unsigned char *p = *pmsg, *q;
1113     if (msglen < 3)
1114         return 0;
1115     clen = (p[0] << 16) | (p[1] << 8) | p[2];
1116     if (msglen < clen + 3)
1117         return 0;
1118     q = p + 3;
1119     BIO_indent(bio, indent, 80);
1120     BIO_printf(bio, "ASN.1Cert, length=%d", (int)clen);
1121     x = d2i_X509(NULL, &q, clen);
1122     if (!x)
1123         BIO_puts(bio, "<UNPARSEABLE CERTIFICATE>\n");
1124     else {
1125         BIO_puts(bio, "\n------details-----\n");
1126         X509_print_ex(bio, x, XN_FLAG_ONELINE, 0);
1127         PEM_write_bio_X509(bio, x);
1128         /* Print certificate stuff */
1129         BIO_puts(bio, "------------------\n");
1130         X509_free(x);
1131     }
1132     if (q != p + 3 + clen) {
1133         BIO_puts(bio, "<TRAILING GARBAGE AFTER CERTIFICATE>\n");
1134     }
1135     *pmsg += clen + 3;
1136     *pmsglen -= clen + 3;
1137     return 1;
1138 }
1139
1140 static int ssl_print_certificates(BIO *bio, SSL *s, int server, int indent,
1141                                   const unsigned char *msg, size_t msglen)
1142 {
1143     size_t clen;
1144
1145     if (SSL_IS_TLS13(s)
1146             && !ssl_print_hexbuf(bio, indent, "context", 1, &msg, &msglen))
1147         return 0;
1148
1149     if (msglen < 3)
1150         return 0;
1151     clen = (msg[0] << 16) | (msg[1] << 8) | msg[2];
1152     if (msglen != clen + 3)
1153         return 0;
1154     msg += 3;
1155     BIO_indent(bio, indent, 80);
1156     BIO_printf(bio, "certificate_list, length=%d\n", (int)clen);
1157     while (clen > 0) {
1158         if (!ssl_print_certificate(bio, indent + 2, &msg, &clen))
1159             return 0;
1160         if (!ssl_print_extensions(bio, indent + 2, server, SSL3_MT_CERTIFICATE,
1161                                   &msg, &clen))
1162             return 0;
1163
1164     }
1165     return 1;
1166 }
1167
1168 static int ssl_print_cert_request(BIO *bio, int indent, SSL *s,
1169                                   const unsigned char *msg, size_t msglen)
1170 {
1171     size_t xlen;
1172     unsigned int sigalg;
1173
1174     if (msglen < 1)
1175         return 0;
1176     xlen = msg[0];
1177     if (msglen < xlen + 1)
1178         return 0;
1179     msg++;
1180     BIO_indent(bio, indent, 80);
1181     BIO_printf(bio, "certificate_types (len=%d)\n", (int)xlen);
1182     if (!ssl_trace_list(bio, indent + 2, msg, xlen, 1, ssl_ctype_tbl))
1183         return 0;
1184     msg += xlen;
1185     msglen -= xlen + 1;
1186     if (!SSL_USE_SIGALGS(s))
1187         goto skip_sig;
1188     if (msglen < 2)
1189         return 0;
1190     xlen = (msg[0] << 8) | msg[1];
1191     if (msglen < xlen + 2 || (xlen & 1))
1192         return 0;
1193     msg += 2;
1194     BIO_indent(bio, indent, 80);
1195     BIO_printf(bio, "signature_algorithms (len=%d)\n", (int)xlen);
1196     while (xlen > 0) {
1197         BIO_indent(bio, indent + 2, 80);
1198         sigalg = (msg[0] << 8) | msg[1];
1199         BIO_printf(bio, "%s (0x%04x)\n",
1200                    ssl_trace_str(sigalg, ssl_sigalg_tbl), sigalg);
1201         xlen -= 2;
1202         msg += 2;
1203     }
1204     msg += xlen;
1205     msglen -= xlen + 2;
1206
1207  skip_sig:
1208     xlen = (msg[0] << 8) | msg[1];
1209     BIO_indent(bio, indent, 80);
1210     if (msglen < xlen + 2)
1211         return 0;
1212     msg += 2;
1213     msglen -= 2;
1214     BIO_printf(bio, "certificate_authorities (len=%d)\n", (int)xlen);
1215     while (xlen > 0) {
1216         size_t dlen;
1217         X509_NAME *nm;
1218         const unsigned char *p;
1219         if (xlen < 2)
1220             return 0;
1221         dlen = (msg[0] << 8) | msg[1];
1222         if (xlen < dlen + 2)
1223             return 0;
1224         msg += 2;
1225         BIO_indent(bio, indent + 2, 80);
1226         BIO_printf(bio, "DistinguishedName (len=%d): ", (int)dlen);
1227         p = msg;
1228         nm = d2i_X509_NAME(NULL, &p, dlen);
1229         if (!nm) {
1230             BIO_puts(bio, "<UNPARSEABLE DN>\n");
1231         } else {
1232             X509_NAME_print_ex(bio, nm, 0, XN_FLAG_ONELINE);
1233             BIO_puts(bio, "\n");
1234             X509_NAME_free(nm);
1235         }
1236         xlen -= dlen + 2;
1237         msg += dlen;
1238     }
1239     return 1;
1240 }
1241
1242 static int ssl_print_ticket(BIO *bio, int indent,
1243                             const unsigned char *msg, size_t msglen)
1244 {
1245     unsigned int tick_life;
1246     if (msglen == 0) {
1247         BIO_indent(bio, indent + 2, 80);
1248         BIO_puts(bio, "No Ticket\n");
1249         return 1;
1250     }
1251     if (msglen < 4)
1252         return 0;
1253     tick_life = (msg[0] << 24) | (msg[1] << 16) | (msg[2] << 8) | msg[3];
1254     msglen -= 4;
1255     msg += 4;
1256     BIO_indent(bio, indent + 2, 80);
1257     BIO_printf(bio, "ticket_lifetime_hint=%u\n", tick_life);
1258     if (!ssl_print_hexbuf(bio, indent + 2, "ticket", 2, &msg, &msglen))
1259         return 0;
1260     if (msglen)
1261         return 0;
1262     return 1;
1263 }
1264
1265 static int ssl_print_handshake(BIO *bio, SSL *ssl, int server,
1266                                const unsigned char *msg, size_t msglen,
1267                                int indent)
1268 {
1269     size_t hlen;
1270     unsigned char htype;
1271     if (msglen < 4)
1272         return 0;
1273     htype = msg[0];
1274     hlen = (msg[1] << 16) | (msg[2] << 8) | msg[3];
1275     BIO_indent(bio, indent, 80);
1276     BIO_printf(bio, "%s, Length=%d\n",
1277                ssl_trace_str(htype, ssl_handshake_tbl), (int)hlen);
1278     msg += 4;
1279     msglen -= 4;
1280     if (SSL_IS_DTLS(ssl)) {
1281         if (msglen < 8)
1282             return 0;
1283         BIO_indent(bio, indent, 80);
1284         BIO_printf(bio, "message_seq=%d, fragment_offset=%d, "
1285                    "fragment_length=%d\n",
1286                    (msg[0] << 8) | msg[1],
1287                    (msg[2] << 16) | (msg[3] << 8) | msg[4],
1288                    (msg[5] << 16) | (msg[6] << 8) | msg[7]);
1289         msg += 8;
1290         msglen -= 8;
1291     }
1292     if (msglen < hlen)
1293         return 0;
1294     switch (htype) {
1295     case SSL3_MT_CLIENT_HELLO:
1296         if (!ssl_print_client_hello(bio, ssl, indent + 2, msg, msglen))
1297             return 0;
1298         break;
1299
1300     case DTLS1_MT_HELLO_VERIFY_REQUEST:
1301         if (!dtls_print_hello_vfyrequest(bio, indent + 2, msg, msglen))
1302             return 0;
1303         break;
1304
1305     case SSL3_MT_SERVER_HELLO:
1306         if (!ssl_print_server_hello(bio, indent + 2, msg, msglen))
1307             return 0;
1308         break;
1309
1310     case SSL3_MT_SERVER_KEY_EXCHANGE:
1311         if (!ssl_print_server_keyex(bio, indent + 2, ssl, msg, msglen))
1312             return 0;
1313         break;
1314
1315     case SSL3_MT_CLIENT_KEY_EXCHANGE:
1316         if (!ssl_print_client_keyex(bio, indent + 2, ssl, msg, msglen))
1317             return 0;
1318         break;
1319
1320     case SSL3_MT_CERTIFICATE:
1321         if (!ssl_print_certificates(bio, ssl, server, indent + 2, msg, msglen))
1322             return 0;
1323         break;
1324
1325     case SSL3_MT_CERTIFICATE_VERIFY:
1326         if (!ssl_print_signature(bio, indent + 2, ssl, &msg, &msglen))
1327             return 0;
1328         break;
1329
1330     case SSL3_MT_CERTIFICATE_REQUEST:
1331         if (!ssl_print_cert_request(bio, indent + 2, ssl, msg, msglen))
1332             return 0;
1333         break;
1334
1335     case SSL3_MT_FINISHED:
1336         ssl_print_hex(bio, indent + 2, "verify_data", msg, msglen);
1337         break;
1338
1339     case SSL3_MT_SERVER_DONE:
1340         if (msglen != 0)
1341             ssl_print_hex(bio, indent + 2, "unexpected value", msg, msglen);
1342         break;
1343
1344     case SSL3_MT_NEWSESSION_TICKET:
1345         if (!ssl_print_ticket(bio, indent + 2, msg, msglen))
1346             return 0;
1347         break;
1348
1349     case SSL3_MT_HELLO_RETRY_REQUEST:
1350         if (!ssl_print_version(bio, indent + 2, "server_version", &msg, &msglen,
1351                                NULL)
1352                 || !ssl_print_extensions(bio, indent + 2, 1,
1353                                          SSL3_MT_HELLO_RETRY_REQUEST, &msg,
1354                                          &msglen))
1355             return 0;
1356         break;
1357
1358     case SSL3_MT_ENCRYPTED_EXTENSIONS:
1359         if (!ssl_print_extensions(bio, indent + 2, 1,
1360                                   SSL3_MT_ENCRYPTED_EXTENSIONS, &msg, &msglen))
1361             return 0;
1362         break;
1363
1364     case SSL3_MT_KEY_UPDATE:
1365         if (msglen != 1) {
1366             ssl_print_hex(bio, indent + 2, "unexpected value", msg, msglen);
1367             return 0;
1368         }
1369         if (!ssl_trace_list(bio, indent + 2, msg, msglen, 1,
1370                             ssl_key_update_tbl))
1371             return 0;
1372         break;
1373
1374     default:
1375         BIO_indent(bio, indent + 2, 80);
1376         BIO_puts(bio, "Unsupported, hex dump follows:\n");
1377         BIO_dump_indent(bio, (const char *)msg, msglen, indent + 4);
1378     }
1379     return 1;
1380 }
1381
1382 const char *SSL_CIPHER_standard_name(const SSL_CIPHER *c)
1383 {
1384     return ssl_trace_str(c->id & 0xFFFF, ssl_ciphers_tbl);
1385 }
1386
1387 void SSL_trace(int write_p, int version, int content_type,
1388                const void *buf, size_t msglen, SSL *ssl, void *arg)
1389 {
1390     const unsigned char *msg = buf;
1391     BIO *bio = arg;
1392
1393     if (write_p == 2) {
1394         BIO_puts(bio, "Session ");
1395         ssl_print_hex(bio, 0,
1396                       ssl_trace_str(content_type, ssl_crypto_tbl), msg, msglen);
1397         return;
1398     }
1399     switch (content_type) {
1400     case SSL3_RT_HEADER:
1401         {
1402             int hvers = msg[1] << 8 | msg[2];
1403             BIO_puts(bio, write_p ? "Sent" : "Received");
1404             BIO_printf(bio, " Record\nHeader:\n  Version = %s (0x%x)\n",
1405                        ssl_trace_str(hvers, ssl_version_tbl), hvers);
1406             if (SSL_IS_DTLS(ssl)) {
1407                 BIO_printf(bio,
1408                            "  epoch=%d, sequence_number=%04x%04x%04x\n",
1409                            (msg[3] << 8 | msg[4]),
1410                            (msg[5] << 8 | msg[6]),
1411                            (msg[7] << 8 | msg[8]), (msg[9] << 8 | msg[10]));
1412             }
1413
1414             BIO_printf(bio, "  Content Type = %s (%d)\n  Length = %d",
1415                        ssl_trace_str(msg[0], ssl_content_tbl), msg[0],
1416                        msg[msglen - 2] << 8 | msg[msglen - 1]);
1417         }
1418         break;
1419     case SSL3_RT_HANDSHAKE:
1420         if (!ssl_print_handshake(bio, ssl, ssl->server ? write_p : !write_p,
1421                                  msg, msglen, 4))
1422             BIO_printf(bio, "Message length parse error!\n");
1423         break;
1424
1425     case SSL3_RT_CHANGE_CIPHER_SPEC:
1426         if (msglen == 1 && msg[0] == 1)
1427             BIO_puts(bio, "    change_cipher_spec (1)\n");
1428         else
1429             ssl_print_hex(bio, 4, "unknown value", msg, msglen);
1430         break;
1431
1432     case SSL3_RT_ALERT:
1433         if (msglen != 2)
1434             BIO_puts(bio, "    Illegal Alert Length\n");
1435         else {
1436             BIO_printf(bio, "    Level=%s(%d), description=%s(%d)\n",
1437                        SSL_alert_type_string_long(msg[0] << 8),
1438                        msg[0], SSL_alert_desc_string_long(msg[1]), msg[1]);
1439         }
1440
1441     }
1442
1443     BIO_puts(bio, "\n");
1444 }
1445
1446 #endif