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, "psk"},
 459     {TLSEXT_TYPE_psk_kex_modes, "psk_key_exchange_modes"},
 460     {TLSEXT_TYPE_supported_groups, "supported_groups"},
 461     {TLSEXT_TYPE_ec_point_formats, "ec_point_formats"},
 462     {TLSEXT_TYPE_srp, "srp"},
 463     {TLSEXT_TYPE_signature_algorithms, "signature_algorithms"},
 464     {TLSEXT_TYPE_use_srtp, "use_srtp"},
 465     {TLSEXT_TYPE_session_ticket, "session_ticket"},
 466     {TLSEXT_TYPE_supported_versions, "supported_versions"},
 467     {TLSEXT_TYPE_renegotiate, "renegotiate"},
 468 # ifndef OPENSSL_NO_NEXTPROTONEG
 469     {TLSEXT_TYPE_next_proto_neg, "next_proto_neg"},
 470 # endif
 471     {TLSEXT_TYPE_signed_certificate_timestamp, "signed_certificate_timestamps"},
 472     {TLSEXT_TYPE_padding, "padding"},
 473     {TLSEXT_TYPE_encrypt_then_mac, "encrypt_then_mac"},
 474     {TLSEXT_TYPE_extended_master_secret, "extended_master_secret"}
 475 };
 476
 477 static ssl_trace_tbl ssl_groups_tbl[] = {
 478     {1, "sect163k1 (K-163)"},
 479     {2, "sect163r1"},
 480     {3, "sect163r2 (B-163)"},
 481     {4, "sect193r1"},
 482     {5, "sect193r2"},
 483     {6, "sect233k1 (K-233)"},
 484     {7, "sect233r1 (B-233)"},
 485     {8, "sect239k1"},
 486     {9, "sect283k1 (K-283)"},
 487     {10, "sect283r1 (B-283)"},
 488     {11, "sect409k1 (K-409)"},
 489     {12, "sect409r1 (B-409)"},
 490     {13, "sect571k1 (K-571)"},
 491     {14, "sect571r1 (B-571)"},
 492     {15, "secp160k1"},
 493     {16, "secp160r1"},
 494     {17, "secp160r2"},
 495     {18, "secp192k1"},
 496     {19, "secp192r1 (P-192)"},
 497     {20, "secp224k1"},
 498     {21, "secp224r1 (P-224)"},
 499     {22, "secp256k1"},
 500     {23, "secp256r1 (P-256)"},
 501     {24, "secp384r1 (P-384)"},
 502     {25, "secp521r1 (P-521)"},
 503     {26, "brainpoolP256r1"},
 504     {27, "brainpoolP384r1"},
 505     {28, "brainpoolP512r1"},
 506     {29, "ecdh_x25519"},
 507     {0xFF01, "arbitrary_explicit_prime_curves"},
 508     {0xFF02, "arbitrary_explicit_char2_curves"}
 509 };
 510
 511 static ssl_trace_tbl ssl_point_tbl[] = {
 512     {0, "uncompressed"},
 513     {1, "ansiX962_compressed_prime"},
 514     {2, "ansiX962_compressed_char2"}
 515 };
 516
 517 static ssl_trace_tbl ssl_sigalg_tbl[] = {
 518     {TLSEXT_SIGALG_ecdsa_secp256r1_sha256, "ecdsa_secp256r1_sha256"},
 519     {TLSEXT_SIGALG_ecdsa_secp384r1_sha384, "ecdsa_secp384r1_sha384"},
 520     {TLSEXT_SIGALG_ecdsa_secp521r1_sha512, "ecdsa_secp521r1_sha512"},
 521     {TLSEXT_SIGALG_ecdsa_sha1, "ecdsa_sha1"},
 522     {TLSEXT_SIGALG_rsa_pss_sha256, "rsa_pss_sha256"},
 523     {TLSEXT_SIGALG_rsa_pss_sha384, "rsa_pss_sha384"},
 524     {TLSEXT_SIGALG_rsa_pss_sha512, "rsa_pss_sha512"},
 525     {TLSEXT_SIGALG_rsa_pkcs1_sha256, "rsa_pkcs1_sha256"},
 526     {TLSEXT_SIGALG_rsa_pkcs1_sha384, "rsa_pkcs1_sha384"},
 527     {TLSEXT_SIGALG_rsa_pkcs1_sha512, "rsa_pkcs1_sha512"},
 528     {TLSEXT_SIGALG_rsa_pkcs1_sha1, "rsa_pkcs1_sha1"},
 529     {TLSEXT_SIGALG_dsa_sha256, "dsa_sha256"},
 530     {TLSEXT_SIGALG_dsa_sha384, "dsa_sha384"},
 531     {TLSEXT_SIGALG_dsa_sha512, "dsa_sha512"},
 532     {TLSEXT_SIGALG_dsa_sha1, "dsa_sha1"},
 533     {TLSEXT_SIGALG_gostr34102012_256_gostr34112012_256, "gost2012_256"},
 534     {TLSEXT_SIGALG_gostr34102012_512_gostr34112012_512, "gost2012_512"},
 535     {TLSEXT_SIGALG_gostr34102001_gostr3411, "gost2001_gost94"},
 536 };
 537
 538 static ssl_trace_tbl ssl_ctype_tbl[] = {
 539     {1, "rsa_sign"},
 540     {2, "dss_sign"},
 541     {3, "rsa_fixed_dh"},
 542     {4, "dss_fixed_dh"},
 543     {5, "rsa_ephemeral_dh"},
 544     {6, "dss_ephemeral_dh"},
 545     {20, "fortezza_dms"},
 546     {64, "ecdsa_sign"},
 547     {65, "rsa_fixed_ecdh"},
 548     {66, "ecdsa_fixed_ecdh"}
 549 };
 550
 551 static ssl_trace_tbl ssl_psk_kex_modes_tbl[] = {
 552     {TLSEXT_KEX_MODE_KE, "psk_ke"},
 553     {TLSEXT_KEX_MODE_KE_DHE, "psk_dhe_ke"}
 554 };
 555
 556 static ssl_trace_tbl ssl_crypto_tbl[] = {
 557     {TLS1_RT_CRYPTO_PREMASTER, "Premaster Secret"},
 558     {TLS1_RT_CRYPTO_CLIENT_RANDOM, "Client Random"},
 559     {TLS1_RT_CRYPTO_SERVER_RANDOM, "Server Random"},
 560     {TLS1_RT_CRYPTO_MASTER, "Master Secret"},
 561     {TLS1_RT_CRYPTO_MAC | TLS1_RT_CRYPTO_WRITE, "Write Mac Secret"},
 562     {TLS1_RT_CRYPTO_MAC | TLS1_RT_CRYPTO_READ, "Read Mac Secret"},
 563     {TLS1_RT_CRYPTO_KEY | TLS1_RT_CRYPTO_WRITE, "Write Key"},
 564     {TLS1_RT_CRYPTO_KEY | TLS1_RT_CRYPTO_READ, "Read Key"},
 565     {TLS1_RT_CRYPTO_IV | TLS1_RT_CRYPTO_WRITE, "Write IV"},
 566     {TLS1_RT_CRYPTO_IV | TLS1_RT_CRYPTO_READ, "Read IV"},
 567     {TLS1_RT_CRYPTO_FIXED_IV | TLS1_RT_CRYPTO_WRITE, "Write IV (fixed part)"},
 568     {TLS1_RT_CRYPTO_FIXED_IV | TLS1_RT_CRYPTO_READ, "Read IV (fixed part)"}
 569 };
 570
 571 static ssl_trace_tbl ssl_key_update_tbl[] = {
 572     {SSL_KEY_UPDATE_NOT_REQUESTED, "update_not_requested"},
 573     {SSL_KEY_UPDATE_REQUESTED, "update_requested"}
 574 };
 575
 576 static void ssl_print_hex(BIO *bio, int indent, const char *name,
 577                           const unsigned char *msg, size_t msglen)
 578 {
 579     size_t i;
 580     BIO_indent(bio, indent, 80);
 581     BIO_printf(bio, "%s (len=%d): ", name, (int)msglen);
 582     for (i = 0; i < msglen; i++)
 583         BIO_printf(bio, "%02X", msg[i]);
 584     BIO_puts(bio, "\n");
 585 }
 586
 587 static int ssl_print_hexbuf(BIO *bio, int indent,
 588                             const char *name, size_t nlen,
 589                             const unsigned char **pmsg, size_t *pmsglen)
 590 {
 591     size_t blen;
 592     const unsigned char *p = *pmsg;
 593     if (*pmsglen < nlen)
 594         return 0;
 595     blen = p[0];
 596     if (nlen > 1)
 597         blen = (blen << 8) | p[1];
 598     if (*pmsglen < nlen + blen)
 599         return 0;
 600     p += nlen;
 601     ssl_print_hex(bio, indent, name, p, blen);
 602     *pmsg += blen + nlen;
 603     *pmsglen -= blen + nlen;
 604     return 1;
 605 }
 606
 607 static int ssl_print_version(BIO *bio, int indent, const char *name,
 608                              const unsigned char **pmsg, size_t *pmsglen,
 609                              unsigned int *version)
 610 {
 611     int vers;
 612
 613     if (*pmsglen < 2)
 614         return 0;
 615     vers = ((*pmsg)[0] << 8) | (*pmsg)[1];
 616     if (version != NULL) {
 617         /* TODO(TLS1.3): Remove the draft conditional here before release */
 618         *version = (vers == TLS1_3_VERSION_DRAFT) ? TLS1_3_VERSION : vers;
 619     }
 620     BIO_indent(bio, indent, 80);
 621     BIO_printf(bio, "%s=0x%x (%s)\n",
 622                name, vers, ssl_trace_str(vers, ssl_version_tbl));
 623     *pmsg += 2;
 624     *pmsglen -= 2;
 625     return 1;
 626 }
 627
 628 static int ssl_print_random(BIO *bio, int indent,
 629                             const unsigned char **pmsg, size_t *pmsglen)
 630 {
 631     unsigned int tm;
 632     const unsigned char *p = *pmsg;
 633     if (*pmsglen < 32)
 634         return 0;
 635     tm = (p[0] << 24) | (p[1] << 16) | (p[2] << 8) | p[3];
 636     p += 4;
 637     BIO_indent(bio, indent, 80);
 638     BIO_puts(bio, "Random:\n");
 639     BIO_indent(bio, indent + 2, 80);
 640     BIO_printf(bio, "gmt_unix_time=0x%08X\n", tm);
 641     ssl_print_hex(bio, indent + 2, "random_bytes", p, 28);
 642     *pmsg += 32;
 643     *pmsglen -= 32;
 644     return 1;
 645 }
 646
 647 static int ssl_print_signature(BIO *bio, int indent, SSL *s,
 648                                const unsigned char **pmsg, size_t *pmsglen)
 649 {
 650     if (*pmsglen < 2)
 651         return 0;
 652     if (SSL_USE_SIGALGS(s)) {
 653         const unsigned char *p = *pmsg;
 654         unsigned int sigalg = (p[0] << 8) | p[1];
 655
 656         BIO_indent(bio, indent, 80);
 657         BIO_printf(bio, "Signature Algorithm: %s (0x%04x)\n",
 658                    ssl_trace_str(sigalg, ssl_sigalg_tbl), sigalg);
 659         *pmsg += 2;
 660         *pmsglen -= 2;
 661     }
 662     return ssl_print_hexbuf(bio, indent, "Signature", 2, pmsg, pmsglen);
 663 }
 664
 665 static int ssl_print_extension(BIO *bio, int indent, int server,
 666                                unsigned char mt, int extype,
 667                                const unsigned char *ext, size_t extlen)
 668 {
 669     size_t xlen, share_len;
 670     unsigned int sigalg;
 671
 672     BIO_indent(bio, indent, 80);
 673     BIO_printf(bio, "extension_type=%s(%d), length=%d\n",
 674                ssl_trace_str(extype, ssl_exts_tbl), extype, (int)extlen);
 675     switch (extype) {
 676     case TLSEXT_TYPE_ec_point_formats:
 677         if (extlen < 1)
 678             return 0;
 679         xlen = ext[0];
 680         if (extlen != xlen + 1)
 681             return 0;
 682         return ssl_trace_list(bio, indent + 2, ext + 1, xlen, 1, ssl_point_tbl);
 683
 684     case TLSEXT_TYPE_supported_groups:
 685         if (extlen < 2)
 686             return 0;
 687         xlen = (ext[0] << 8) | ext[1];
 688         if (extlen != xlen + 2)
 689             return 0;
 690         return ssl_trace_list(bio, indent + 2, ext + 2, xlen, 2, ssl_groups_tbl);
 691
 692     case TLSEXT_TYPE_signature_algorithms:
 693
 694         if (extlen < 2)
 695             return 0;
 696         xlen = (ext[0] << 8) | ext[1];
 697         if (extlen != xlen + 2)
 698             return 0;
 699         if (xlen & 1)
 700             return 0;
 701         ext += 2;
 702         while (xlen > 0) {
 703             BIO_indent(bio, indent + 2, 80);
 704             sigalg = (ext[0] << 8) | ext[1];
 705             BIO_printf(bio, "%s (0x%04x)\n",
 706                        ssl_trace_str(sigalg, ssl_sigalg_tbl), sigalg);
 707             xlen -= 2;
 708             ext += 2;
 709         }
 710         break;
 711
 712     case TLSEXT_TYPE_renegotiate:
 713         if (extlen < 1)
 714             return 0;
 715         xlen = ext[0];
 716         if (xlen + 1 != extlen)
 717             return 0;
 718         ext++;
 719         if (xlen) {
 720             if (server) {
 721                 if (xlen & 1)
 722                     return 0;
 723                 xlen >>= 1;
 724             }
 725             ssl_print_hex(bio, indent + 4, "client_verify_data", ext, xlen);
 726             if (server) {
 727                 ext += xlen;
 728                 ssl_print_hex(bio, indent + 4, "server_verify_data", ext, xlen);
 729             }
 730         } else {
 731             BIO_indent(bio, indent + 4, 80);
 732             BIO_puts(bio, "<EMPTY>\n");
 733         }
 734         break;
 735
 736     case TLSEXT_TYPE_heartbeat:
 737         return 0;
 738
 739     case TLSEXT_TYPE_session_ticket:
 740         if (extlen != 0)
 741             ssl_print_hex(bio, indent + 4, "ticket", ext, extlen);
 742         break;
 743
 744     case TLSEXT_TYPE_key_share:
 745         if (mt == SSL3_MT_HELLO_RETRY_REQUEST) {
 746             int group_id;
 747
 748             if (extlen != 2)
 749                 return 0;
 750             group_id = (ext[0] << 8) | ext[1];
 751             BIO_indent(bio, indent + 4, 80);
 752             BIO_printf(bio, "NamedGroup: %s (%d)\n",
 753                        ssl_trace_str(group_id, ssl_groups_tbl), group_id);
 754             break;
 755         }
 756         if (extlen < 2)
 757             return 0;
 758         if (server) {
 759             xlen = extlen;
 760         } else {
 761             xlen = (ext[0] << 8) | ext[1];
 762             if (extlen != xlen + 2)
 763                 return 0;
 764             ext += 2;
 765         }
 766         for (; xlen > 0; ext += share_len, xlen -= share_len) {
 767             int group_id;
 768
 769             if (xlen < 4)
 770                 return 0;
 771             group_id = (ext[0] << 8) | ext[1];
 772             share_len = (ext[2] << 8) | ext[3];
 773             ext += 4;
 774             xlen -= 4;
 775             if (xlen < share_len)
 776                 return 0;
 777             BIO_indent(bio, indent + 4, 80);
 778             BIO_printf(bio, "NamedGroup: %s (%d)\n",
 779                        ssl_trace_str(group_id, ssl_groups_tbl), group_id);
 780             ssl_print_hex(bio, indent + 4, "key_exchange: ", ext, share_len);
 781         }
 782         break;
 783
 784     case TLSEXT_TYPE_supported_versions:
 785         if (extlen < 1)
 786             return 0;
 787         xlen = ext[0];
 788         if (extlen != xlen + 1)
 789             return 0;
 790         return ssl_trace_list(bio, indent + 2, ext + 1, xlen, 2,
 791                               ssl_version_tbl);
 792
 793     case TLSEXT_TYPE_psk_kex_modes:
 794         if (extlen < 1)
 795             return 0;
 796         xlen = ext[0];
 797         if (extlen != xlen + 1)
 798             return 0;
 799         return ssl_trace_list(bio, indent + 2, ext + 1, xlen, 1,
 800                               ssl_psk_kex_modes_tbl);
 801
 802     default:
 803         BIO_dump_indent(bio, (const char *)ext, extlen, indent + 2);
 804     }
 805     return 1;
 806 }
 807
 808 static int ssl_print_extensions(BIO *bio, int indent, int server,
 809                                 unsigned char mt, const unsigned char **msgin,
 810                                 size_t *msginlen)
 811 {
 812     size_t extslen, msglen = *msginlen;
 813     const unsigned char *msg = *msgin;
 814
 815     BIO_indent(bio, indent, 80);
 816     if (msglen == 0) {
 817         BIO_puts(bio, "No Extensions\n");
 818         return 1;
 819     }
 820     extslen = (msg[0] << 8) | msg[1];
 821     if (extslen != msglen - 2)
 822         return 0;
 823     msg += 2;
 824     msglen = extslen;
 825     BIO_printf(bio, "extensions, length = %d\n", (int)msglen);
 826     while (msglen > 0) {
 827         int extype;
 828         size_t extlen;
 829         if (msglen < 4)
 830             return 0;
 831         extype = (msg[0] << 8) | msg[1];
 832         extlen = (msg[2] << 8) | msg[3];
 833         if (msglen < extlen + 4)
 834             return 0;
 835         msg += 4;
 836         if (!ssl_print_extension(bio, indent + 2, server, mt, extype, msg,
 837                                  extlen))
 838             return 0;
 839         msg += extlen;
 840         msglen -= extlen + 4;
 841     }
 842
 843     *msgin = msg;
 844     *msginlen = msglen;
 845     return 1;
 846 }
 847
 848 static int ssl_print_client_hello(BIO *bio, SSL *ssl, int indent,
 849                                   const unsigned char *msg, size_t msglen)
 850 {
 851     size_t len;
 852     unsigned int cs;
 853     if (!ssl_print_version(bio, indent, "client_version", &msg, &msglen, NULL))
 854         return 0;
 855     if (!ssl_print_random(bio, indent, &msg, &msglen))
 856         return 0;
 857     if (!ssl_print_hexbuf(bio, indent, "session_id", 1, &msg, &msglen))
 858         return 0;
 859     if (SSL_IS_DTLS(ssl)) {
 860         if (!ssl_print_hexbuf(bio, indent, "cookie", 1, &msg, &msglen))
 861             return 0;
 862     }
 863     if (msglen < 2)
 864         return 0;
 865     len = (msg[0] << 8) | msg[1];
 866     msg += 2;
 867     msglen -= 2;
 868     BIO_indent(bio, indent, 80);
 869     BIO_printf(bio, "cipher_suites (len=%d)\n", (int)len);
 870     if (msglen < len || len & 1)
 871         return 0;
 872     while (len > 0) {
 873         cs = (msg[0] << 8) | msg[1];
 874         BIO_indent(bio, indent + 2, 80);
 875         BIO_printf(bio, "{0x%02X, 0x%02X} %s\n",
 876                    msg[0], msg[1], ssl_trace_str(cs, ssl_ciphers_tbl));
 877         msg += 2;
 878         msglen -= 2;
 879         len -= 2;
 880     }
 881     if (msglen < 1)
 882         return 0;
 883     len = msg[0];
 884     msg++;
 885     msglen--;
 886     if (msglen < len)
 887         return 0;
 888     BIO_indent(bio, indent, 80);
 889     BIO_printf(bio, "compression_methods (len=%d)\n", (int)len);
 890     while (len > 0) {
 891         BIO_indent(bio, indent + 2, 80);
 892         BIO_printf(bio, "%s (0x%02X)\n",
 893                    ssl_trace_str(msg[0], ssl_comp_tbl), msg[0]);
 894         msg++;
 895         msglen--;
 896         len--;
 897     }
 898     if (!ssl_print_extensions(bio, indent, 0, SSL3_MT_CLIENT_HELLO, &msg,
 899                               &msglen))
 900         return 0;
 901     return 1;
 902 }
 903
 904 static int dtls_print_hello_vfyrequest(BIO *bio, int indent,
 905                                        const unsigned char *msg, size_t msglen)
 906 {
 907     if (!ssl_print_version(bio, indent, "server_version", &msg, &msglen, NULL))
 908         return 0;
 909     if (!ssl_print_hexbuf(bio, indent, "cookie", 1, &msg, &msglen))
 910         return 0;
 911     return 1;
 912 }
 913
 914 static int ssl_print_server_hello(BIO *bio, int indent,
 915                                   const unsigned char *msg, size_t msglen)
 916 {
 917     unsigned int cs;
 918     unsigned int vers;
 919
 920     if (!ssl_print_version(bio, indent, "server_version", &msg, &msglen, &vers))
 921         return 0;
 922     if (!ssl_print_random(bio, indent, &msg, &msglen))
 923         return 0;
 924     if (vers != TLS1_3_VERSION
 925             && !ssl_print_hexbuf(bio, indent, "session_id", 1, &msg, &msglen))
 926         return 0;
 927     if (msglen < 2)
 928         return 0;
 929     cs = (msg[0] << 8) | msg[1];
 930     BIO_indent(bio, indent, 80);
 931     BIO_printf(bio, "cipher_suite {0x%02X, 0x%02X} %s\n",
 932                msg[0], msg[1], ssl_trace_str(cs, ssl_ciphers_tbl));
 933     msg += 2;
 934     msglen -= 2;
 935     if (vers != TLS1_3_VERSION) {
 936         if (msglen < 1)
 937             return 0;
 938         BIO_indent(bio, indent, 80);
 939         BIO_printf(bio, "compression_method: %s (0x%02X)\n",
 940                    ssl_trace_str(msg[0], ssl_comp_tbl), msg[0]);
 941         msg++;
 942         msglen--;
 943     }
 944     if (!ssl_print_extensions(bio, indent, 1, SSL3_MT_SERVER_HELLO, &msg,
 945                               &msglen))
 946         return 0;
 947     return 1;
 948 }
 949
 950 static int ssl_get_keyex(const char **pname, SSL *ssl)
 951 {
 952     unsigned long alg_k = ssl->s3->tmp.new_cipher->algorithm_mkey;
 953     if (alg_k & SSL_kRSA) {
 954         *pname = "rsa";
 955         return SSL_kRSA;
 956     }
 957     if (alg_k & SSL_kDHE) {
 958         *pname = "DHE";
 959         return SSL_kDHE;
 960     }
 961     if (alg_k & SSL_kECDHE) {
 962         *pname = "ECDHE";
 963         return SSL_kECDHE;
 964     }
 965     if (alg_k & SSL_kPSK) {
 966         *pname = "PSK";
 967         return SSL_kPSK;
 968     }
 969     if (alg_k & SSL_kRSAPSK) {
 970         *pname = "RSAPSK";
 971         return SSL_kRSAPSK;
 972     }
 973     if (alg_k & SSL_kDHEPSK) {
 974         *pname = "DHEPSK";
 975         return SSL_kDHEPSK;
 976     }
 977     if (alg_k & SSL_kECDHEPSK) {
 978         *pname = "ECDHEPSK";
 979         return SSL_kECDHEPSK;
 980     }
 981     if (alg_k & SSL_kSRP) {
 982         *pname = "SRP";
 983         return SSL_kSRP;
 984     }
 985     if (alg_k & SSL_kGOST) {
 986         *pname = "GOST";
 987         return SSL_kGOST;
 988     }
 989     *pname = "UNKNOWN";
 990     return 0;
 991 }
 992
 993 static int ssl_print_client_keyex(BIO *bio, int indent, SSL *ssl,
 994                                   const unsigned char *msg, size_t msglen)
 995 {
 996     const char *algname;
 997     int id;
 998     id = ssl_get_keyex(&algname, ssl);
 999     BIO_indent(bio, indent, 80);
1000     BIO_printf(bio, "KeyExchangeAlgorithm=%s\n", algname);
1001     if (id & SSL_PSK) {
1002         if (!ssl_print_hexbuf(bio, indent + 2,
1003                               "psk_identity", 2, &msg, &msglen))
1004             return 0;
1005     }
1006     switch (id) {
1007
1008     case SSL_kRSA:
1009     case SSL_kRSAPSK:
1010         if (TLS1_get_version(ssl) == SSL3_VERSION) {
1011             ssl_print_hex(bio, indent + 2,
1012                           "EncyptedPreMasterSecret", msg, msglen);
1013         } else {
1014             if (!ssl_print_hexbuf(bio, indent + 2,
1015                                   "EncyptedPreMasterSecret", 2, &msg, &msglen))
1016                 return 0;
1017         }
1018         break;
1019
1020     case SSL_kDHE:
1021     case SSL_kDHEPSK:
1022         if (!ssl_print_hexbuf(bio, indent + 2, "dh_Yc", 2, &msg, &msglen))
1023             return 0;
1024         break;
1025
1026     case SSL_kECDHE:
1027     case SSL_kECDHEPSK:
1028         if (!ssl_print_hexbuf(bio, indent + 2, "ecdh_Yc", 1, &msg, &msglen))
1029             return 0;
1030         break;
1031
1032     }
1033
1034     return !msglen;
1035 }
1036
1037 static int ssl_print_server_keyex(BIO *bio, int indent, SSL *ssl,
1038                                   const unsigned char *msg, size_t msglen)
1039 {
1040     const char *algname;
1041     int id;
1042     id = ssl_get_keyex(&algname, ssl);
1043     BIO_indent(bio, indent, 80);
1044     BIO_printf(bio, "KeyExchangeAlgorithm=%s\n", algname);
1045     if (id & SSL_PSK) {
1046         if (!ssl_print_hexbuf(bio, indent + 2,
1047                               "psk_identity_hint", 2, &msg, &msglen))
1048             return 0;
1049     }
1050     switch (id) {
1051     case SSL_kRSA:
1052
1053         if (!ssl_print_hexbuf(bio, indent + 2, "rsa_modulus", 2, &msg, &msglen))
1054             return 0;
1055         if (!ssl_print_hexbuf(bio, indent + 2, "rsa_exponent", 2,
1056                               &msg, &msglen))
1057             return 0;
1058         break;
1059
1060     case SSL_kDHE:
1061     case SSL_kDHEPSK:
1062         if (!ssl_print_hexbuf(bio, indent + 2, "dh_p", 2, &msg, &msglen))
1063             return 0;
1064         if (!ssl_print_hexbuf(bio, indent + 2, "dh_g", 2, &msg, &msglen))
1065             return 0;
1066         if (!ssl_print_hexbuf(bio, indent + 2, "dh_Ys", 2, &msg, &msglen))
1067             return 0;
1068         break;
1069
1070 # ifndef OPENSSL_NO_EC
1071     case SSL_kECDHE:
1072     case SSL_kECDHEPSK:
1073         if (msglen < 1)
1074             return 0;
1075         BIO_indent(bio, indent + 2, 80);
1076         if (msg[0] == EXPLICIT_PRIME_CURVE_TYPE)
1077             BIO_puts(bio, "explicit_prime\n");
1078         else if (msg[0] == EXPLICIT_CHAR2_CURVE_TYPE)
1079             BIO_puts(bio, "explicit_char2\n");
1080         else if (msg[0] == NAMED_CURVE_TYPE) {
1081             int curve;
1082             if (msglen < 3)
1083                 return 0;
1084             curve = (msg[1] << 8) | msg[2];
1085             BIO_printf(bio, "named_curve: %s (%d)\n",
1086                        ssl_trace_str(curve, ssl_groups_tbl), curve);
1087             msg += 3;
1088             msglen -= 3;
1089             if (!ssl_print_hexbuf(bio, indent + 2, "point", 1, &msg, &msglen))
1090                 return 0;
1091         } else {
1092             BIO_printf(bio, "UNKNOWN CURVE PARAMETER TYPE %d\n", msg[0]);
1093             return 0;
1094         }
1095         break;
1096 # endif
1097
1098     case SSL_kPSK:
1099     case SSL_kRSAPSK:
1100         break;
1101     }
1102     if (!(id & SSL_PSK))
1103         ssl_print_signature(bio, indent, ssl, &msg, &msglen);
1104     return !msglen;
1105 }
1106
1107 static int ssl_print_certificate(BIO *bio, int indent,
1108                                  const unsigned char **pmsg, size_t *pmsglen)
1109 {
1110     size_t msglen = *pmsglen;
1111     size_t clen;
1112     X509 *x;
1113     const unsigned char *p = *pmsg, *q;
1114     if (msglen < 3)
1115         return 0;
1116     clen = (p[0] << 16) | (p[1] << 8) | p[2];
1117     if (msglen < clen + 3)
1118         return 0;
1119     q = p + 3;
1120     BIO_indent(bio, indent, 80);
1121     BIO_printf(bio, "ASN.1Cert, length=%d", (int)clen);
1122     x = d2i_X509(NULL, &q, clen);
1123     if (!x)
1124         BIO_puts(bio, "<UNPARSEABLE CERTIFICATE>\n");
1125     else {
1126         BIO_puts(bio, "\n------details-----\n");
1127         X509_print_ex(bio, x, XN_FLAG_ONELINE, 0);
1128         PEM_write_bio_X509(bio, x);
1129         /* Print certificate stuff */
1130         BIO_puts(bio, "------------------\n");
1131         X509_free(x);
1132     }
1133     if (q != p + 3 + clen) {
1134         BIO_puts(bio, "<TRAILING GARBAGE AFTER CERTIFICATE>\n");
1135     }
1136     *pmsg += clen + 3;
1137     *pmsglen -= clen + 3;
1138     return 1;
1139 }
1140
1141 static int ssl_print_certificates(BIO *bio, SSL *s, int server, int indent,
1142                                   const unsigned char *msg, size_t msglen)
1143 {
1144     size_t clen;
1145
1146     if (SSL_IS_TLS13(s)
1147             && !ssl_print_hexbuf(bio, indent, "context", 1, &msg, &msglen))
1148         return 0;
1149
1150     if (msglen < 3)
1151         return 0;
1152     clen = (msg[0] << 16) | (msg[1] << 8) | msg[2];
1153     if (msglen != clen + 3)
1154         return 0;
1155     msg += 3;
1156     BIO_indent(bio, indent, 80);
1157     BIO_printf(bio, "certificate_list, length=%d\n", (int)clen);
1158     while (clen > 0) {
1159         if (!ssl_print_certificate(bio, indent + 2, &msg, &clen))
1160             return 0;
1161         if (!ssl_print_extensions(bio, indent + 2, server, SSL3_MT_CERTIFICATE,
1162                                   &msg, &clen))
1163             return 0;
1164
1165     }
1166     return 1;
1167 }
1168
1169 static int ssl_print_cert_request(BIO *bio, int indent, SSL *s,
1170                                   const unsigned char *msg, size_t msglen)
1171 {
1172     size_t xlen;
1173     unsigned int sigalg;
1174
1175     if (msglen < 1)
1176         return 0;
1177     xlen = msg[0];
1178     if (msglen < xlen + 1)
1179         return 0;
1180     msg++;
1181     BIO_indent(bio, indent, 80);
1182     BIO_printf(bio, "certificate_types (len=%d)\n", (int)xlen);
1183     if (!ssl_trace_list(bio, indent + 2, msg, xlen, 1, ssl_ctype_tbl))
1184         return 0;
1185     msg += xlen;
1186     msglen -= xlen + 1;
1187     if (!SSL_USE_SIGALGS(s))
1188         goto skip_sig;
1189     if (msglen < 2)
1190         return 0;
1191     xlen = (msg[0] << 8) | msg[1];
1192     if (msglen < xlen + 2 || (xlen & 1))
1193         return 0;
1194     msg += 2;
1195     BIO_indent(bio, indent, 80);
1196     BIO_printf(bio, "signature_algorithms (len=%d)\n", (int)xlen);
1197     while (xlen > 0) {
1198         BIO_indent(bio, indent + 2, 80);
1199         sigalg = (msg[0] << 8) | msg[1];
1200         BIO_printf(bio, "%s (0x%04x)\n",
1201                    ssl_trace_str(sigalg, ssl_sigalg_tbl), sigalg);
1202         xlen -= 2;
1203         msg += 2;
1204     }
1205     msg += xlen;
1206     msglen -= xlen + 2;
1207
1208  skip_sig:
1209     xlen = (msg[0] << 8) | msg[1];
1210     BIO_indent(bio, indent, 80);
1211     if (msglen < xlen + 2)
1212         return 0;
1213     msg += 2;
1214     msglen -= 2;
1215     BIO_printf(bio, "certificate_authorities (len=%d)\n", (int)xlen);
1216     while (xlen > 0) {
1217         size_t dlen;
1218         X509_NAME *nm;
1219         const unsigned char *p;
1220         if (xlen < 2)
1221             return 0;
1222         dlen = (msg[0] << 8) | msg[1];
1223         if (xlen < dlen + 2)
1224             return 0;
1225         msg += 2;
1226         BIO_indent(bio, indent + 2, 80);
1227         BIO_printf(bio, "DistinguishedName (len=%d): ", (int)dlen);
1228         p = msg;
1229         nm = d2i_X509_NAME(NULL, &p, dlen);
1230         if (!nm) {
1231             BIO_puts(bio, "<UNPARSEABLE DN>\n");
1232         } else {
1233             X509_NAME_print_ex(bio, nm, 0, XN_FLAG_ONELINE);
1234             BIO_puts(bio, "\n");
1235             X509_NAME_free(nm);
1236         }
1237         xlen -= dlen + 2;
1238         msg += dlen;
1239     }
1240     return 1;
1241 }
1242
1243 static int ssl_print_ticket(BIO *bio, int indent,
1244                             const unsigned char *msg, size_t msglen)
1245 {
1246     unsigned int tick_life;
1247     if (msglen == 0) {
1248         BIO_indent(bio, indent + 2, 80);
1249         BIO_puts(bio, "No Ticket\n");
1250         return 1;
1251     }
1252     if (msglen < 4)
1253         return 0;
1254     tick_life = (msg[0] << 24) | (msg[1] << 16) | (msg[2] << 8) | msg[3];
1255     msglen -= 4;
1256     msg += 4;
1257     BIO_indent(bio, indent + 2, 80);
1258     BIO_printf(bio, "ticket_lifetime_hint=%u\n", tick_life);
1259     if (!ssl_print_hexbuf(bio, indent + 2, "ticket", 2, &msg, &msglen))
1260         return 0;
1261     if (msglen)
1262         return 0;
1263     return 1;
1264 }
1265
1266 static int ssl_print_handshake(BIO *bio, SSL *ssl, int server,
1267                                const unsigned char *msg, size_t msglen,
1268                                int indent)
1269 {
1270     size_t hlen;
1271     unsigned char htype;
1272     if (msglen < 4)
1273         return 0;
1274     htype = msg[0];
1275     hlen = (msg[1] << 16) | (msg[2] << 8) | msg[3];
1276     BIO_indent(bio, indent, 80);
1277     BIO_printf(bio, "%s, Length=%d\n",
1278                ssl_trace_str(htype, ssl_handshake_tbl), (int)hlen);
1279     msg += 4;
1280     msglen -= 4;
1281     if (SSL_IS_DTLS(ssl)) {
1282         if (msglen < 8)
1283             return 0;
1284         BIO_indent(bio, indent, 80);
1285         BIO_printf(bio, "message_seq=%d, fragment_offset=%d, "
1286                    "fragment_length=%d\n",
1287                    (msg[0] << 8) | msg[1],
1288                    (msg[2] << 16) | (msg[3] << 8) | msg[4],
1289                    (msg[5] << 16) | (msg[6] << 8) | msg[7]);
1290         msg += 8;
1291         msglen -= 8;
1292     }
1293     if (msglen < hlen)
1294         return 0;
1295     switch (htype) {
1296     case SSL3_MT_CLIENT_HELLO:
1297         if (!ssl_print_client_hello(bio, ssl, indent + 2, msg, msglen))
1298             return 0;
1299         break;
1300
1301     case DTLS1_MT_HELLO_VERIFY_REQUEST:
1302         if (!dtls_print_hello_vfyrequest(bio, indent + 2, msg, msglen))
1303             return 0;
1304         break;
1305
1306     case SSL3_MT_SERVER_HELLO:
1307         if (!ssl_print_server_hello(bio, indent + 2, msg, msglen))
1308             return 0;
1309         break;
1310
1311     case SSL3_MT_SERVER_KEY_EXCHANGE:
1312         if (!ssl_print_server_keyex(bio, indent + 2, ssl, msg, msglen))
1313             return 0;
1314         break;
1315
1316     case SSL3_MT_CLIENT_KEY_EXCHANGE:
1317         if (!ssl_print_client_keyex(bio, indent + 2, ssl, msg, msglen))
1318             return 0;
1319         break;
1320
1321     case SSL3_MT_CERTIFICATE:
1322         if (!ssl_print_certificates(bio, ssl, server, indent + 2, msg, msglen))
1323             return 0;
1324         break;
1325
1326     case SSL3_MT_CERTIFICATE_VERIFY:
1327         if (!ssl_print_signature(bio, indent + 2, ssl, &msg, &msglen))
1328             return 0;
1329         break;
1330
1331     case SSL3_MT_CERTIFICATE_REQUEST:
1332         if (!ssl_print_cert_request(bio, indent + 2, ssl, msg, msglen))
1333             return 0;
1334         break;
1335
1336     case SSL3_MT_FINISHED:
1337         ssl_print_hex(bio, indent + 2, "verify_data", msg, msglen);
1338         break;
1339
1340     case SSL3_MT_SERVER_DONE:
1341         if (msglen != 0)
1342             ssl_print_hex(bio, indent + 2, "unexpected value", msg, msglen);
1343         break;
1344
1345     case SSL3_MT_NEWSESSION_TICKET:
1346         if (!ssl_print_ticket(bio, indent + 2, msg, msglen))
1347             return 0;
1348         break;
1349
1350     case SSL3_MT_HELLO_RETRY_REQUEST:
1351         if (!ssl_print_version(bio, indent + 2, "server_version", &msg, &msglen,
1352                                NULL)
1353                 || !ssl_print_extensions(bio, indent + 2, 1,
1354                                          SSL3_MT_HELLO_RETRY_REQUEST, &msg,
1355                                          &msglen))
1356             return 0;
1357         break;
1358
1359     case SSL3_MT_ENCRYPTED_EXTENSIONS:
1360         if (!ssl_print_extensions(bio, indent + 2, 1,
1361                                   SSL3_MT_ENCRYPTED_EXTENSIONS, &msg, &msglen))
1362             return 0;
1363         break;
1364
1365     case SSL3_MT_KEY_UPDATE:
1366         if (msglen != 1) {
1367             ssl_print_hex(bio, indent + 2, "unexpected value", msg, msglen);
1368             return 0;
1369         }
1370         if (!ssl_trace_list(bio, indent + 2, msg, msglen, 1,
1371                             ssl_key_update_tbl))
1372             return 0;
1373         break;
1374
1375     default:
1376         BIO_indent(bio, indent + 2, 80);
1377         BIO_puts(bio, "Unsupported, hex dump follows:\n");
1378         BIO_dump_indent(bio, (const char *)msg, msglen, indent + 4);
1379     }
1380     return 1;
1381 }
1382
1383 const char *SSL_CIPHER_standard_name(const SSL_CIPHER *c)
1384 {
1385     return ssl_trace_str(c->id & 0xFFFF, ssl_ciphers_tbl);
1386 }
1387
1388 void SSL_trace(int write_p, int version, int content_type,
1389                const void *buf, size_t msglen, SSL *ssl, void *arg)
1390 {
1391     const unsigned char *msg = buf;
1392     BIO *bio = arg;
1393
1394     if (write_p == 2) {
1395         BIO_puts(bio, "Session ");
1396         ssl_print_hex(bio, 0,
1397                       ssl_trace_str(content_type, ssl_crypto_tbl), msg, msglen);
1398         return;
1399     }
1400     switch (content_type) {
1401     case SSL3_RT_HEADER:
1402         {
1403             int hvers = msg[1] << 8 | msg[2];
1404             BIO_puts(bio, write_p ? "Sent" : "Received");
1405             BIO_printf(bio, " Record\nHeader:\n  Version = %s (0x%x)\n",
1406                        ssl_trace_str(hvers, ssl_version_tbl), hvers);
1407             if (SSL_IS_DTLS(ssl)) {
1408                 BIO_printf(bio,
1409                            "  epoch=%d, sequence_number=%04x%04x%04x\n",
1410                            (msg[3] << 8 | msg[4]),
1411                            (msg[5] << 8 | msg[6]),
1412                            (msg[7] << 8 | msg[8]), (msg[9] << 8 | msg[10]));
1413             }
1414
1415             BIO_printf(bio, "  Content Type = %s (%d)\n  Length = %d",
1416                        ssl_trace_str(msg[0], ssl_content_tbl), msg[0],
1417                        msg[msglen - 2] << 8 | msg[msglen - 1]);
1418         }
1419         break;
1420     case SSL3_RT_HANDSHAKE:
1421         if (!ssl_print_handshake(bio, ssl, ssl->server ? write_p : !write_p,
1422                                  msg, msglen, 4))
1423             BIO_printf(bio, "Message length parse error!\n");
1424         break;
1425
1426     case SSL3_RT_CHANGE_CIPHER_SPEC:
1427         if (msglen == 1 && msg[0] == 1)
1428             BIO_puts(bio, "    change_cipher_spec (1)\n");
1429         else
1430             ssl_print_hex(bio, 4, "unknown value", msg, msglen);
1431         break;
1432
1433     case SSL3_RT_ALERT:
1434         if (msglen != 2)
1435             BIO_puts(bio, "    Illegal Alert Length\n");
1436         else {
1437             BIO_printf(bio, "    Level=%s(%d), description=%s(%d)\n",
1438                        SSL_alert_type_string_long(msg[0] << 8),
1439                        msg[0], SSL_alert_desc_string_long(msg[1]), msg[1]);
1440         }
1441
1442     }
1443
1444     BIO_puts(bio, "\n");
1445 }
1446
1447 #endif