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