ssl/t1_trce.c

   1 /*
   2  * Copyright 2012-2016 The OpenSSL Project Authors. All Rights Reserved.
   3  *
   4  * Licensed under the OpenSSL license (the "License").  You may not use
   5  * this file except in compliance with the License.  You can obtain a copy
   6  * in the file LICENSE in the source distribution or at
   7  * https://www.openssl.org/source/license.html
   8  */
   9
  10 #include "ssl_locl.h"
  11
  12 #ifndef OPENSSL_NO_SSL_TRACE
  13
  14 /* Packet trace support for OpenSSL */
  15
  16 typedef struct {
  17     int num;
  18     const char *name;
  19 } ssl_trace_tbl;
  20
  21 # define ssl_trace_str(val, tbl) \
  22         do_ssl_trace_str(val, tbl, OSSL_NELEM(tbl))
  23
  24 # define ssl_trace_list(bio, indent, msg, msglen, value, table) \
  25         do_ssl_trace_list(bio, indent, msg, msglen, value, \
  26          table, OSSL_NELEM(table))
  27
  28 static const char *do_ssl_trace_str(int val, ssl_trace_tbl *tbl, size_t ntbl)
  29 {
  30     size_t i;
  31     for (i = 0; i < ntbl; i++, tbl++) {
  32         if (tbl->num == val)
  33             return tbl->name;
  34     }
  35     return "UNKNOWN";
  36 }
  37
  38 static int do_ssl_trace_list(BIO *bio, int indent,
  39                              const unsigned char *msg, size_t msglen,
  40                              size_t vlen, ssl_trace_tbl *tbl, size_t ntbl)
  41 {
  42     int val;
  43     if (msglen % vlen)
  44         return 0;
  45     while (msglen) {
  46         val = msg[0];
  47         if (vlen == 2)
  48             val = (val << 8) | msg[1];
  49         BIO_indent(bio, indent, 80);
  50         BIO_printf(bio, "%s (%d)\n", do_ssl_trace_str(val, tbl, ntbl), val);
  51         msg += vlen;
  52         msglen -= vlen;
  53     }
  54     return 1;
  55 }
  56
  57 /* Version number */
  58
  59 static ssl_trace_tbl ssl_version_tbl[] = {
  60     {SSL3_VERSION, "SSL 3.0"},
  61     {TLS1_VERSION, "TLS 1.0"},
  62     {TLS1_1_VERSION, "TLS 1.1"},
  63     {TLS1_2_VERSION, "TLS 1.2"},
  64     {TLS1_3_VERSION, "TLS 1.3"},
  65     /* TODO(TLS1.3): Remove this line before release */
  66     {TLS1_3_VERSION_DRAFT, TLS1_3_VERSION_DRAFT_TXT},
  67     {DTLS1_VERSION, "DTLS 1.0"},
  68     {DTLS1_2_VERSION, "DTLS 1.2"},
  69     {DTLS1_BAD_VER, "DTLS 1.0 (bad)"}
  70 };
  71
  72 static ssl_trace_tbl ssl_content_tbl[] = {
  73     {SSL3_RT_CHANGE_CIPHER_SPEC, "ChangeCipherSpec"},
  74     {SSL3_RT_ALERT, "Alert"},
  75     {SSL3_RT_HANDSHAKE, "Handshake"},
  76     {SSL3_RT_APPLICATION_DATA, "ApplicationData"},
  77 };
  78
  79 /* Handshake types */
  80 static ssl_trace_tbl ssl_handshake_tbl[] = {
  81     {SSL3_MT_HELLO_REQUEST, "HelloRequest"},
  82     {SSL3_MT_CLIENT_HELLO, "ClientHello"},
  83     {SSL3_MT_SERVER_HELLO, "ServerHello"},
  84     {DTLS1_MT_HELLO_VERIFY_REQUEST, "HelloVerifyRequest"},
  85     {SSL3_MT_NEWSESSION_TICKET, "NewSessionTicket"},
  86     {SSL3_MT_CERTIFICATE, "Certificate"},
  87     {SSL3_MT_SERVER_KEY_EXCHANGE, "ServerKeyExchange"},
  88     {SSL3_MT_CERTIFICATE_REQUEST, "CertificateRequest"},
  89     {SSL3_MT_CLIENT_KEY_EXCHANGE, "ClientKeyExchange"},
  90     {SSL3_MT_CERTIFICATE_STATUS, "CertificateStatus"},
  91     {SSL3_MT_SERVER_DONE, "ServerHelloDone"},
  92     {SSL3_MT_CERTIFICATE_VERIFY, "CertificateVerify"},
  93     {SSL3_MT_CLIENT_KEY_EXCHANGE, "ClientKeyExchange"},
  94     {SSL3_MT_FINISHED, "Finished"},
  95     {SSL3_MT_ENCRYPTED_EXTENSIONS, "EncryptedExtensions"},
  96     {SSL3_MT_CERTIFICATE_STATUS, "CertificateStatus"}
  97 };
  98
  99 /* Cipher suites */
 100 static ssl_trace_tbl ssl_ciphers_tbl[] = {
 101     {0x0000, "SSL_NULL_WITH_NULL_NULL"},
 102     {0x0001, "SSL_RSA_WITH_NULL_MD5"},
 103     {0x0002, "SSL_RSA_WITH_NULL_SHA"},
 104     {0x0003, "SSL_RSA_EXPORT_WITH_RC4_40_MD5"},
 105     {0x0004, "SSL_RSA_WITH_RC4_128_MD5"},
 106     {0x0005, "SSL_RSA_WITH_RC4_128_SHA"},
 107     {0x0006, "SSL_RSA_EXPORT_WITH_RC2_CBC_40_MD5"},
 108     {0x0007, "SSL_RSA_WITH_IDEA_CBC_SHA"},
 109     {0x0008, "SSL_RSA_EXPORT_WITH_DES40_CBC_SHA"},
 110     {0x0009, "SSL_RSA_WITH_DES_CBC_SHA"},
 111     {0x000A, "SSL_RSA_WITH_3DES_EDE_CBC_SHA"},
 112     {0x000B, "SSL_DH_DSS_EXPORT_WITH_DES40_CBC_SHA"},
 113     {0x000C, "SSL_DH_DSS_WITH_DES_CBC_SHA"},
 114     {0x000D, "SSL_DH_DSS_WITH_3DES_EDE_CBC_SHA"},
 115     {0x000E, "SSL_DH_RSA_EXPORT_WITH_DES40_CBC_SHA"},
 116     {0x000F, "SSL_DH_RSA_WITH_DES_CBC_SHA"},
 117     {0x0010, "SSL_DH_RSA_WITH_3DES_EDE_CBC_SHA"},
 118     {0x0011, "SSL_DHE_DSS_EXPORT_WITH_DES40_CBC_SHA"},
 119     {0x0012, "SSL_DHE_DSS_WITH_DES_CBC_SHA"},
 120     {0x0013, "SSL_DHE_DSS_WITH_3DES_EDE_CBC_SHA"},
 121     {0x0014, "SSL_DHE_RSA_EXPORT_WITH_DES40_CBC_SHA"},
 122     {0x0015, "SSL_DHE_RSA_WITH_DES_CBC_SHA"},
 123     {0x0016, "SSL_DHE_RSA_WITH_3DES_EDE_CBC_SHA"},
 124     {0x0017, "SSL_DH_anon_EXPORT_WITH_RC4_40_MD5"},
 125     {0x0018, "SSL_DH_anon_WITH_RC4_128_MD5"},
 126     {0x0019, "SSL_DH_anon_EXPORT_WITH_DES40_CBC_SHA"},
 127     {0x001A, "SSL_DH_anon_WITH_DES_CBC_SHA"},
 128     {0x001B, "SSL_DH_anon_WITH_3DES_EDE_CBC_SHA"},
 129     {0x001D, "SSL_FORTEZZA_KEA_WITH_FORTEZZA_CBC_SHA"},
 130     {0x001E, "SSL_FORTEZZA_KEA_WITH_RC4_128_SHA"},
 131     {0x001F, "TLS_KRB5_WITH_3DES_EDE_CBC_SHA"},
 132     {0x0020, "TLS_KRB5_WITH_RC4_128_SHA"},
 133     {0x0021, "TLS_KRB5_WITH_IDEA_CBC_SHA"},
 134     {0x0022, "TLS_KRB5_WITH_DES_CBC_MD5"},
 135     {0x0023, "TLS_KRB5_WITH_3DES_EDE_CBC_MD5"},
 136     {0x0024, "TLS_KRB5_WITH_RC4_128_MD5"},
 137     {0x0025, "TLS_KRB5_WITH_IDEA_CBC_MD5"},
 138     {0x0026, "TLS_KRB5_EXPORT_WITH_DES_CBC_40_SHA"},
 139     {0x0027, "TLS_KRB5_EXPORT_WITH_RC2_CBC_40_SHA"},
 140     {0x0028, "TLS_KRB5_EXPORT_WITH_RC4_40_SHA"},
 141     {0x0029, "TLS_KRB5_EXPORT_WITH_DES_CBC_40_MD5"},
 142     {0x002A, "TLS_KRB5_EXPORT_WITH_RC2_CBC_40_MD5"},
 143     {0x002B, "TLS_KRB5_EXPORT_WITH_RC4_40_MD5"},
 144     {0x002C, "TLS_PSK_WITH_NULL_SHA"},
 145     {0x002D, "TLS_DHE_PSK_WITH_NULL_SHA"},
 146     {0x002E, "TLS_RSA_PSK_WITH_NULL_SHA"},
 147     {0x002F, "TLS_RSA_WITH_AES_128_CBC_SHA"},
 148     {0x0030, "TLS_DH_DSS_WITH_AES_128_CBC_SHA"},
 149     {0x0031, "TLS_DH_RSA_WITH_AES_128_CBC_SHA"},
 150     {0x0032, "TLS_DHE_DSS_WITH_AES_128_CBC_SHA"},
 151     {0x0033, "TLS_DHE_RSA_WITH_AES_128_CBC_SHA"},
 152     {0x0034, "TLS_DH_anon_WITH_AES_128_CBC_SHA"},
 153     {0x0035, "TLS_RSA_WITH_AES_256_CBC_SHA"},
 154     {0x0036, "TLS_DH_DSS_WITH_AES_256_CBC_SHA"},
 155     {0x0037, "TLS_DH_RSA_WITH_AES_256_CBC_SHA"},
 156     {0x0038, "TLS_DHE_DSS_WITH_AES_256_CBC_SHA"},
 157     {0x0039, "TLS_DHE_RSA_WITH_AES_256_CBC_SHA"},
 158     {0x003A, "TLS_DH_anon_WITH_AES_256_CBC_SHA"},
 159     {0x003B, "TLS_RSA_WITH_NULL_SHA256"},
 160     {0x003C, "TLS_RSA_WITH_AES_128_CBC_SHA256"},
 161     {0x003D, "TLS_RSA_WITH_AES_256_CBC_SHA256"},
 162     {0x003E, "TLS_DH_DSS_WITH_AES_128_CBC_SHA256"},
 163     {0x003F, "TLS_DH_RSA_WITH_AES_128_CBC_SHA256"},
 164     {0x0040, "TLS_DHE_DSS_WITH_AES_128_CBC_SHA256"},
 165     {0x0041, "TLS_RSA_WITH_CAMELLIA_128_CBC_SHA"},
 166     {0x0042, "TLS_DH_DSS_WITH_CAMELLIA_128_CBC_SHA"},
 167     {0x0043, "TLS_DH_RSA_WITH_CAMELLIA_128_CBC_SHA"},
 168     {0x0044, "TLS_DHE_DSS_WITH_CAMELLIA_128_CBC_SHA"},
 169     {0x0045, "TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA"},
 170     {0x0046, "TLS_DH_anon_WITH_CAMELLIA_128_CBC_SHA"},
 171     {0x0067, "TLS_DHE_RSA_WITH_AES_128_CBC_SHA256"},
 172     {0x0068, "TLS_DH_DSS_WITH_AES_256_CBC_SHA256"},
 173     {0x0069, "TLS_DH_RSA_WITH_AES_256_CBC_SHA256"},
 174     {0x006A, "TLS_DHE_DSS_WITH_AES_256_CBC_SHA256"},
 175     {0x006B, "TLS_DHE_RSA_WITH_AES_256_CBC_SHA256"},
 176     {0x006C, "TLS_DH_anon_WITH_AES_128_CBC_SHA256"},
 177     {0x006D, "TLS_DH_anon_WITH_AES_256_CBC_SHA256"},
 178     {0x0084, "TLS_RSA_WITH_CAMELLIA_256_CBC_SHA"},
 179     {0x0085, "TLS_DH_DSS_WITH_CAMELLIA_256_CBC_SHA"},
 180     {0x0086, "TLS_DH_RSA_WITH_CAMELLIA_256_CBC_SHA"},
 181     {0x0087, "TLS_DHE_DSS_WITH_CAMELLIA_256_CBC_SHA"},
 182     {0x0088, "TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA"},
 183     {0x0089, "TLS_DH_anon_WITH_CAMELLIA_256_CBC_SHA"},
 184     {0x008A, "TLS_PSK_WITH_RC4_128_SHA"},
 185     {0x008B, "TLS_PSK_WITH_3DES_EDE_CBC_SHA"},
 186     {0x008C, "TLS_PSK_WITH_AES_128_CBC_SHA"},
 187     {0x008D, "TLS_PSK_WITH_AES_256_CBC_SHA"},
 188     {0x008E, "TLS_DHE_PSK_WITH_RC4_128_SHA"},
 189     {0x008F, "TLS_DHE_PSK_WITH_3DES_EDE_CBC_SHA"},
 190     {0x0090, "TLS_DHE_PSK_WITH_AES_128_CBC_SHA"},
 191     {0x0091, "TLS_DHE_PSK_WITH_AES_256_CBC_SHA"},
 192     {0x0092, "TLS_RSA_PSK_WITH_RC4_128_SHA"},
 193     {0x0093, "TLS_RSA_PSK_WITH_3DES_EDE_CBC_SHA"},
 194     {0x0094, "TLS_RSA_PSK_WITH_AES_128_CBC_SHA"},
 195     {0x0095, "TLS_RSA_PSK_WITH_AES_256_CBC_SHA"},
 196     {0x0096, "TLS_RSA_WITH_SEED_CBC_SHA"},
 197     {0x0097, "TLS_DH_DSS_WITH_SEED_CBC_SHA"},
 198     {0x0098, "TLS_DH_RSA_WITH_SEED_CBC_SHA"},
 199     {0x0099, "TLS_DHE_DSS_WITH_SEED_CBC_SHA"},
 200     {0x009A, "TLS_DHE_RSA_WITH_SEED_CBC_SHA"},
 201     {0x009B, "TLS_DH_anon_WITH_SEED_CBC_SHA"},
 202     {0x009C, "TLS_RSA_WITH_AES_128_GCM_SHA256"},
 203     {0x009D, "TLS_RSA_WITH_AES_256_GCM_SHA384"},
 204     {0x009E, "TLS_DHE_RSA_WITH_AES_128_GCM_SHA256"},
 205     {0x009F, "TLS_DHE_RSA_WITH_AES_256_GCM_SHA384"},
 206     {0x00A0, "TLS_DH_RSA_WITH_AES_128_GCM_SHA256"},
 207     {0x00A1, "TLS_DH_RSA_WITH_AES_256_GCM_SHA384"},
 208     {0x00A2, "TLS_DHE_DSS_WITH_AES_128_GCM_SHA256"},
 209     {0x00A3, "TLS_DHE_DSS_WITH_AES_256_GCM_SHA384"},
 210     {0x00A4, "TLS_DH_DSS_WITH_AES_128_GCM_SHA256"},
 211     {0x00A5, "TLS_DH_DSS_WITH_AES_256_GCM_SHA384"},
 212     {0x00A6, "TLS_DH_anon_WITH_AES_128_GCM_SHA256"},
 213     {0x00A7, "TLS_DH_anon_WITH_AES_256_GCM_SHA384"},
 214     {0x00A8, "TLS_PSK_WITH_AES_128_GCM_SHA256"},
 215     {0x00A9, "TLS_PSK_WITH_AES_256_GCM_SHA384"},
 216     {0x00AA, "TLS_DHE_PSK_WITH_AES_128_GCM_SHA256"},
 217     {0x00AB, "TLS_DHE_PSK_WITH_AES_256_GCM_SHA384"},
 218     {0x00AC, "TLS_RSA_PSK_WITH_AES_128_GCM_SHA256"},
 219     {0x00AD, "TLS_RSA_PSK_WITH_AES_256_GCM_SHA384"},
 220     {0x00AE, "TLS_PSK_WITH_AES_128_CBC_SHA256"},
 221     {0x00AF, "TLS_PSK_WITH_AES_256_CBC_SHA384"},
 222     {0x00B0, "TLS_PSK_WITH_NULL_SHA256"},
 223     {0x00B1, "TLS_PSK_WITH_NULL_SHA384"},
 224     {0x00B2, "TLS_DHE_PSK_WITH_AES_128_CBC_SHA256"},
 225     {0x00B3, "TLS_DHE_PSK_WITH_AES_256_CBC_SHA384"},
 226     {0x00B4, "TLS_DHE_PSK_WITH_NULL_SHA256"},
 227     {0x00B5, "TLS_DHE_PSK_WITH_NULL_SHA384"},
 228     {0x00B6, "TLS_RSA_PSK_WITH_AES_128_CBC_SHA256"},
 229     {0x00B7, "TLS_RSA_PSK_WITH_AES_256_CBC_SHA384"},
 230     {0x00B8, "TLS_RSA_PSK_WITH_NULL_SHA256"},
 231     {0x00B9, "TLS_RSA_PSK_WITH_NULL_SHA384"},
 232     {0x00BA, "TLS_RSA_WITH_CAMELLIA_128_CBC_SHA256"},
 233     {0x00BB, "TLS_DH_DSS_WITH_CAMELLIA_128_CBC_SHA256"},
 234     {0x00BC, "TLS_DH_RSA_WITH_CAMELLIA_128_CBC_SHA256"},
 235     {0x00BD, "TLS_DHE_DSS_WITH_CAMELLIA_128_CBC_SHA256"},
 236     {0x00BE, "TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA256"},
 237     {0x00BF, "TLS_DH_anon_WITH_CAMELLIA_128_CBC_SHA256"},
 238     {0x00C0, "TLS_RSA_WITH_CAMELLIA_256_CBC_SHA256"},
 239     {0x00C1, "TLS_DH_DSS_WITH_CAMELLIA_256_CBC_SHA256"},
 240     {0x00C2, "TLS_DH_RSA_WITH_CAMELLIA_256_CBC_SHA256"},
 241     {0x00C3, "TLS_DHE_DSS_WITH_CAMELLIA_256_CBC_SHA256"},
 242     {0x00C4, "TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA256"},
 243     {0x00C5, "TLS_DH_anon_WITH_CAMELLIA_256_CBC_SHA256"},
 244     {0x00FF, "TLS_EMPTY_RENEGOTIATION_INFO_SCSV"},
 245     {0x5600, "TLS_FALLBACK_SCSV"},
 246     {0xC001, "TLS_ECDH_ECDSA_WITH_NULL_SHA"},
 247     {0xC002, "TLS_ECDH_ECDSA_WITH_RC4_128_SHA"},
 248     {0xC003, "TLS_ECDH_ECDSA_WITH_3DES_EDE_CBC_SHA"},
 249     {0xC004, "TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA"},
 250     {0xC005, "TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA"},
 251     {0xC006, "TLS_ECDHE_ECDSA_WITH_NULL_SHA"},
 252     {0xC007, "TLS_ECDHE_ECDSA_WITH_RC4_128_SHA"},
 253     {0xC008, "TLS_ECDHE_ECDSA_WITH_3DES_EDE_CBC_SHA"},
 254     {0xC009, "TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA"},
 255     {0xC00A, "TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA"},
 256     {0xC00B, "TLS_ECDH_RSA_WITH_NULL_SHA"},
 257     {0xC00C, "TLS_ECDH_RSA_WITH_RC4_128_SHA"},
 258     {0xC00D, "TLS_ECDH_RSA_WITH_3DES_EDE_CBC_SHA"},
 259     {0xC00E, "TLS_ECDH_RSA_WITH_AES_128_CBC_SHA"},
 260     {0xC00F, "TLS_ECDH_RSA_WITH_AES_256_CBC_SHA"},
 261     {0xC010, "TLS_ECDHE_RSA_WITH_NULL_SHA"},
 262     {0xC011, "TLS_ECDHE_RSA_WITH_RC4_128_SHA"},
 263     {0xC012, "TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA"},
 264     {0xC013, "TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA"},
 265     {0xC014, "TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA"},
 266     {0xC015, "TLS_ECDH_anon_WITH_NULL_SHA"},
 267     {0xC016, "TLS_ECDH_anon_WITH_RC4_128_SHA"},
 268     {0xC017, "TLS_ECDH_anon_WITH_3DES_EDE_CBC_SHA"},
 269     {0xC018, "TLS_ECDH_anon_WITH_AES_128_CBC_SHA"},
 270     {0xC019, "TLS_ECDH_anon_WITH_AES_256_CBC_SHA"},
 271     {0xC01A, "TLS_SRP_SHA_WITH_3DES_EDE_CBC_SHA"},
 272     {0xC01B, "TLS_SRP_SHA_RSA_WITH_3DES_EDE_CBC_SHA"},
 273     {0xC01C, "TLS_SRP_SHA_DSS_WITH_3DES_EDE_CBC_SHA"},
 274     {0xC01D, "TLS_SRP_SHA_WITH_AES_128_CBC_SHA"},
 275     {0xC01E, "TLS_SRP_SHA_RSA_WITH_AES_128_CBC_SHA"},
 276     {0xC01F, "TLS_SRP_SHA_DSS_WITH_AES_128_CBC_SHA"},
 277     {0xC020, "TLS_SRP_SHA_WITH_AES_256_CBC_SHA"},
 278     {0xC021, "TLS_SRP_SHA_RSA_WITH_AES_256_CBC_SHA"},
 279     {0xC022, "TLS_SRP_SHA_DSS_WITH_AES_256_CBC_SHA"},
 280     {0xC023, "TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256"},
 281     {0xC024, "TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384"},
 282     {0xC025, "TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA256"},
 283     {0xC026, "TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA384"},
 284     {0xC027, "TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256"},
 285     {0xC028, "TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384"},
 286     {0xC029, "TLS_ECDH_RSA_WITH_AES_128_CBC_SHA256"},
 287     {0xC02A, "TLS_ECDH_RSA_WITH_AES_256_CBC_SHA384"},
 288     {0xC02B, "TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256"},
 289     {0xC02C, "TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384"},
 290     {0xC02D, "TLS_ECDH_ECDSA_WITH_AES_128_GCM_SHA256"},
 291     {0xC02E, "TLS_ECDH_ECDSA_WITH_AES_256_GCM_SHA384"},
 292     {0xC02F, "TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256"},
 293     {0xC030, "TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384"},
 294     {0xC031, "TLS_ECDH_RSA_WITH_AES_128_GCM_SHA256"},
 295     {0xC032, "TLS_ECDH_RSA_WITH_AES_256_GCM_SHA384"},
 296     {0xC033, "TLS_ECDHE_PSK_WITH_RC4_128_SHA"},
 297     {0xC034, "TLS_ECDHE_PSK_WITH_3DES_EDE_CBC_SHA"},
 298     {0xC035, "TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA"},
 299     {0xC036, "TLS_ECDHE_PSK_WITH_AES_256_CBC_SHA"},
 300     {0xC037, "TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA256"},
 301     {0xC038, "TLS_ECDHE_PSK_WITH_AES_256_CBC_SHA384"},
 302     {0xC039, "TLS_ECDHE_PSK_WITH_NULL_SHA"},
 303     {0xC03A, "TLS_ECDHE_PSK_WITH_NULL_SHA256"},
 304     {0xC03B, "TLS_ECDHE_PSK_WITH_NULL_SHA384"},
 305     {0xC03C, "TLS_RSA_WITH_ARIA_128_CBC_SHA256"},
 306     {0xC03D, "TLS_RSA_WITH_ARIA_256_CBC_SHA384"},
 307     {0xC03E, "TLS_DH_DSS_WITH_ARIA_128_CBC_SHA256"},
 308     {0xC03F, "TLS_DH_DSS_WITH_ARIA_256_CBC_SHA384"},
 309     {0xC040, "TLS_DH_RSA_WITH_ARIA_128_CBC_SHA256"},
 310     {0xC041, "TLS_DH_RSA_WITH_ARIA_256_CBC_SHA384"},
 311     {0xC042, "TLS_DHE_DSS_WITH_ARIA_128_CBC_SHA256"},
 312     {0xC043, "TLS_DHE_DSS_WITH_ARIA_256_CBC_SHA384"},
 313     {0xC044, "TLS_DHE_RSA_WITH_ARIA_128_CBC_SHA256"},
 314     {0xC045, "TLS_DHE_RSA_WITH_ARIA_256_CBC_SHA384"},
 315     {0xC046, "TLS_DH_anon_WITH_ARIA_128_CBC_SHA256"},
 316     {0xC047, "TLS_DH_anon_WITH_ARIA_256_CBC_SHA384"},
 317     {0xC048, "TLS_ECDHE_ECDSA_WITH_ARIA_128_CBC_SHA256"},
 318     {0xC049, "TLS_ECDHE_ECDSA_WITH_ARIA_256_CBC_SHA384"},
 319     {0xC04A, "TLS_ECDH_ECDSA_WITH_ARIA_128_CBC_SHA256"},
 320     {0xC04B, "TLS_ECDH_ECDSA_WITH_ARIA_256_CBC_SHA384"},
 321     {0xC04C, "TLS_ECDHE_RSA_WITH_ARIA_128_CBC_SHA256"},
 322     {0xC04D, "TLS_ECDHE_RSA_WITH_ARIA_256_CBC_SHA384"},
 323     {0xC04E, "TLS_ECDH_RSA_WITH_ARIA_128_CBC_SHA256"},
 324     {0xC04F, "TLS_ECDH_RSA_WITH_ARIA_256_CBC_SHA384"},
 325     {0xC050, "TLS_RSA_WITH_ARIA_128_GCM_SHA256"},
 326     {0xC051, "TLS_RSA_WITH_ARIA_256_GCM_SHA384"},
 327     {0xC052, "TLS_DHE_RSA_WITH_ARIA_128_GCM_SHA256"},
 328     {0xC053, "TLS_DHE_RSA_WITH_ARIA_256_GCM_SHA384"},
 329     {0xC054, "TLS_DH_RSA_WITH_ARIA_128_GCM_SHA256"},
 330     {0xC055, "TLS_DH_RSA_WITH_ARIA_256_GCM_SHA384"},
 331     {0xC056, "TLS_DHE_DSS_WITH_ARIA_128_GCM_SHA256"},
 332     {0xC057, "TLS_DHE_DSS_WITH_ARIA_256_GCM_SHA384"},
 333     {0xC058, "TLS_DH_DSS_WITH_ARIA_128_GCM_SHA256"},
 334     {0xC059, "TLS_DH_DSS_WITH_ARIA_256_GCM_SHA384"},
 335     {0xC05A, "TLS_DH_anon_WITH_ARIA_128_GCM_SHA256"},
 336     {0xC05B, "TLS_DH_anon_WITH_ARIA_256_GCM_SHA384"},
 337     {0xC05C, "TLS_ECDHE_ECDSA_WITH_ARIA_128_GCM_SHA256"},
 338     {0xC05D, "TLS_ECDHE_ECDSA_WITH_ARIA_256_GCM_SHA384"},
 339     {0xC05E, "TLS_ECDH_ECDSA_WITH_ARIA_128_GCM_SHA256"},
 340     {0xC05F, "TLS_ECDH_ECDSA_WITH_ARIA_256_GCM_SHA384"},
 341     {0xC060, "TLS_ECDHE_RSA_WITH_ARIA_128_GCM_SHA256"},
 342     {0xC061, "TLS_ECDHE_RSA_WITH_ARIA_256_GCM_SHA384"},
 343     {0xC062, "TLS_ECDH_RSA_WITH_ARIA_128_GCM_SHA256"},
 344     {0xC063, "TLS_ECDH_RSA_WITH_ARIA_256_GCM_SHA384"},
 345     {0xC064, "TLS_PSK_WITH_ARIA_128_CBC_SHA256"},
 346     {0xC065, "TLS_PSK_WITH_ARIA_256_CBC_SHA384"},
 347     {0xC066, "TLS_DHE_PSK_WITH_ARIA_128_CBC_SHA256"},
 348     {0xC067, "TLS_DHE_PSK_WITH_ARIA_256_CBC_SHA384"},
 349     {0xC068, "TLS_RSA_PSK_WITH_ARIA_128_CBC_SHA256"},
 350     {0xC069, "TLS_RSA_PSK_WITH_ARIA_256_CBC_SHA384"},
 351     {0xC06A, "TLS_PSK_WITH_ARIA_128_GCM_SHA256"},
 352     {0xC06B, "TLS_PSK_WITH_ARIA_256_GCM_SHA384"},
 353     {0xC06C, "TLS_DHE_PSK_WITH_ARIA_128_GCM_SHA256"},
 354     {0xC06D, "TLS_DHE_PSK_WITH_ARIA_256_GCM_SHA384"},
 355     {0xC06E, "TLS_RSA_PSK_WITH_ARIA_128_GCM_SHA256"},
 356     {0xC06F, "TLS_RSA_PSK_WITH_ARIA_256_GCM_SHA384"},
 357     {0xC070, "TLS_ECDHE_PSK_WITH_ARIA_128_CBC_SHA256"},
 358     {0xC071, "TLS_ECDHE_PSK_WITH_ARIA_256_CBC_SHA384"},
 359     {0xC072, "TLS_ECDHE_ECDSA_WITH_CAMELLIA_128_CBC_SHA256"},
 360     {0xC073, "TLS_ECDHE_ECDSA_WITH_CAMELLIA_256_CBC_SHA384"},
 361     {0xC074, "TLS_ECDH_ECDSA_WITH_CAMELLIA_128_CBC_SHA256"},
 362     {0xC075, "TLS_ECDH_ECDSA_WITH_CAMELLIA_256_CBC_SHA384"},
 363     {0xC076, "TLS_ECDHE_RSA_WITH_CAMELLIA_128_CBC_SHA256"},
 364     {0xC077, "TLS_ECDHE_RSA_WITH_CAMELLIA_256_CBC_SHA384"},
 365     {0xC078, "TLS_ECDH_RSA_WITH_CAMELLIA_128_CBC_SHA256"},
 366     {0xC079, "TLS_ECDH_RSA_WITH_CAMELLIA_256_CBC_SHA384"},
 367     {0xC07A, "TLS_RSA_WITH_CAMELLIA_128_GCM_SHA256"},
 368     {0xC07B, "TLS_RSA_WITH_CAMELLIA_256_GCM_SHA384"},
 369     {0xC07C, "TLS_DHE_RSA_WITH_CAMELLIA_128_GCM_SHA256"},
 370     {0xC07D, "TLS_DHE_RSA_WITH_CAMELLIA_256_GCM_SHA384"},
 371     {0xC07E, "TLS_DH_RSA_WITH_CAMELLIA_128_GCM_SHA256"},
 372     {0xC07F, "TLS_DH_RSA_WITH_CAMELLIA_256_GCM_SHA384"},
 373     {0xC080, "TLS_DHE_DSS_WITH_CAMELLIA_128_GCM_SHA256"},
 374     {0xC081, "TLS_DHE_DSS_WITH_CAMELLIA_256_GCM_SHA384"},
 375     {0xC082, "TLS_DH_DSS_WITH_CAMELLIA_128_GCM_SHA256"},
 376     {0xC083, "TLS_DH_DSS_WITH_CAMELLIA_256_GCM_SHA384"},
 377     {0xC084, "TLS_DH_anon_WITH_CAMELLIA_128_GCM_SHA256"},
 378     {0xC085, "TLS_DH_anon_WITH_CAMELLIA_256_GCM_SHA384"},
 379     {0xC086, "TLS_ECDHE_ECDSA_WITH_CAMELLIA_128_GCM_SHA256"},
 380     {0xC087, "TLS_ECDHE_ECDSA_WITH_CAMELLIA_256_GCM_SHA384"},
 381     {0xC088, "TLS_ECDH_ECDSA_WITH_CAMELLIA_128_GCM_SHA256"},
 382     {0xC089, "TLS_ECDH_ECDSA_WITH_CAMELLIA_256_GCM_SHA384"},
 383     {0xC08A, "TLS_ECDHE_RSA_WITH_CAMELLIA_128_GCM_SHA256"},
 384     {0xC08B, "TLS_ECDHE_RSA_WITH_CAMELLIA_256_GCM_SHA384"},
 385     {0xC08C, "TLS_ECDH_RSA_WITH_CAMELLIA_128_GCM_SHA256"},
 386     {0xC08D, "TLS_ECDH_RSA_WITH_CAMELLIA_256_GCM_SHA384"},
 387     {0xC08E, "TLS_PSK_WITH_CAMELLIA_128_GCM_SHA256"},
 388     {0xC08F, "TLS_PSK_WITH_CAMELLIA_256_GCM_SHA384"},
 389     {0xC090, "TLS_DHE_PSK_WITH_CAMELLIA_128_GCM_SHA256"},
 390     {0xC091, "TLS_DHE_PSK_WITH_CAMELLIA_256_GCM_SHA384"},
 391     {0xC092, "TLS_RSA_PSK_WITH_CAMELLIA_128_GCM_SHA256"},
 392     {0xC093, "TLS_RSA_PSK_WITH_CAMELLIA_256_GCM_SHA384"},
 393     {0xC094, "TLS_PSK_WITH_CAMELLIA_128_CBC_SHA256"},
 394     {0xC095, "TLS_PSK_WITH_CAMELLIA_256_CBC_SHA384"},
 395     {0xC096, "TLS_DHE_PSK_WITH_CAMELLIA_128_CBC_SHA256"},
 396     {0xC097, "TLS_DHE_PSK_WITH_CAMELLIA_256_CBC_SHA384"},
 397     {0xC098, "TLS_RSA_PSK_WITH_CAMELLIA_128_CBC_SHA256"},
 398     {0xC099, "TLS_RSA_PSK_WITH_CAMELLIA_256_CBC_SHA384"},
 399     {0xC09A, "TLS_ECDHE_PSK_WITH_CAMELLIA_128_CBC_SHA256"},
 400     {0xC09B, "TLS_ECDHE_PSK_WITH_CAMELLIA_256_CBC_SHA384"},
 401     {0xC09C, "TLS_RSA_WITH_AES_128_CCM"},
 402     {0xC09D, "TLS_RSA_WITH_AES_256_CCM"},
 403     {0xC09E, "TLS_DHE_RSA_WITH_AES_128_CCM"},
 404     {0xC09F, "TLS_DHE_RSA_WITH_AES_256_CCM"},
 405     {0xC0A0, "TLS_RSA_WITH_AES_128_CCM_8"},
 406     {0xC0A1, "TLS_RSA_WITH_AES_256_CCM_8"},
 407     {0xC0A2, "TLS_DHE_RSA_WITH_AES_128_CCM_8"},
 408     {0xC0A3, "TLS_DHE_RSA_WITH_AES_256_CCM_8"},
 409     {0xC0A4, "TLS_PSK_WITH_AES_128_CCM"},
 410     {0xC0A5, "TLS_PSK_WITH_AES_256_CCM"},
 411     {0xC0A6, "TLS_DHE_PSK_WITH_AES_128_CCM"},
 412     {0xC0A7, "TLS_DHE_PSK_WITH_AES_256_CCM"},
 413     {0xC0A8, "TLS_PSK_WITH_AES_128_CCM_8"},
 414     {0xC0A9, "TLS_PSK_WITH_AES_256_CCM_8"},
 415     {0xC0AA, "TLS_PSK_DHE_WITH_AES_128_CCM_8"},
 416     {0xC0AB, "TLS_PSK_DHE_WITH_AES_256_CCM_8"},
 417     {0xC0AC, "TLS_ECDHE_ECDSA_WITH_AES_128_CCM"},
 418     {0xC0AD, "TLS_ECDHE_ECDSA_WITH_AES_256_CCM"},
 419     {0xC0AE, "TLS_ECDHE_ECDSA_WITH_AES_128_CCM_8"},
 420     {0xC0AF, "TLS_ECDHE_ECDSA_WITH_AES_256_CCM_8"},
 421     {0xCCA8, "TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305"},
 422     {0xCCA9, "TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305"},
 423     {0xCCAA, "TLS_DHE_RSA_WITH_CHACHA20_POLY1305"},
 424     {0xCCAB, "TLS_PSK_WITH_CHACHA20_POLY1305"},
 425     {0xCCAC, "TLS_ECDHE_PSK_WITH_CHACHA20_POLY1305"},
 426     {0xCCAD, "TLS_DHE_PSK_WITH_CHACHA20_POLY1305"},
 427     {0xCCAE, "TLS_RSA_PSK_WITH_CHACHA20_POLY1305"},
 428     {0x1301, "TLS_AES_128_GCM_SHA256"},
 429     {0xFEFE, "SSL_RSA_FIPS_WITH_DES_CBC_SHA"},
 430     {0xFEFF, "SSL_RSA_FIPS_WITH_3DES_EDE_CBC_SHA"},
 431 };
 432
 433 /* Compression methods */
 434 static ssl_trace_tbl ssl_comp_tbl[] = {
 435     {0x0000, "No Compression"},
 436     {0x0001, "Zlib Compression"}
 437 };
 438
 439 /* Extensions */
 440 static ssl_trace_tbl ssl_exts_tbl[] = {
 441     {TLSEXT_TYPE_server_name, "server_name"},
 442     {TLSEXT_TYPE_max_fragment_length, "max_fragment_length"},
 443     {TLSEXT_TYPE_client_certificate_url, "client_certificate_url"},
 444     {TLSEXT_TYPE_trusted_ca_keys, "trusted_ca_keys"},
 445     {TLSEXT_TYPE_truncated_hmac, "truncated_hmac"},
 446     {TLSEXT_TYPE_status_request, "status_request"},
 447     {TLSEXT_TYPE_user_mapping, "user_mapping"},
 448     {TLSEXT_TYPE_client_authz, "client_authz"},
 449     {TLSEXT_TYPE_server_authz, "server_authz"},
 450     {TLSEXT_TYPE_cert_type, "cert_type"},
 451     {TLSEXT_TYPE_key_share, "key_share"},
 452     {TLSEXT_TYPE_psk_kex_modes, "psk_key_exchange_modes"},
 453     {TLSEXT_TYPE_supported_groups, "supported_groups"},
 454     {TLSEXT_TYPE_ec_point_formats, "ec_point_formats"},
 455     {TLSEXT_TYPE_srp, "srp"},
 456     {TLSEXT_TYPE_signature_algorithms, "signature_algorithms"},
 457     {TLSEXT_TYPE_use_srtp, "use_srtp"},
 458     {TLSEXT_TYPE_session_ticket, "session_ticket"},
 459     {TLSEXT_TYPE_supported_versions, "supported_versions"},
 460     {TLSEXT_TYPE_renegotiate, "renegotiate"},
 461 # ifndef OPENSSL_NO_NEXTPROTONEG
 462     {TLSEXT_TYPE_next_proto_neg, "next_proto_neg"},
 463 # endif
 464     {TLSEXT_TYPE_signed_certificate_timestamp, "signed_certificate_timestamps"},
 465     {TLSEXT_TYPE_padding, "padding"},
 466     {TLSEXT_TYPE_encrypt_then_mac, "encrypt_then_mac"},
 467     {TLSEXT_TYPE_extended_master_secret, "extended_master_secret"}
 468 };
 469
 470 static ssl_trace_tbl ssl_groups_tbl[] = {
 471     {1, "sect163k1 (K-163)"},
 472     {2, "sect163r1"},
 473     {3, "sect163r2 (B-163)"},
 474     {4, "sect193r1"},
 475     {5, "sect193r2"},
 476     {6, "sect233k1 (K-233)"},
 477     {7, "sect233r1 (B-233)"},
 478     {8, "sect239k1"},
 479     {9, "sect283k1 (K-283)"},
 480     {10, "sect283r1 (B-283)"},
 481     {11, "sect409k1 (K-409)"},
 482     {12, "sect409r1 (B-409)"},
 483     {13, "sect571k1 (K-571)"},
 484     {14, "sect571r1 (B-571)"},
 485     {15, "secp160k1"},
 486     {16, "secp160r1"},
 487     {17, "secp160r2"},
 488     {18, "secp192k1"},
 489     {19, "secp192r1 (P-192)"},
 490     {20, "secp224k1"},
 491     {21, "secp224r1 (P-224)"},
 492     {22, "secp256k1"},
 493     {23, "secp256r1 (P-256)"},
 494     {24, "secp384r1 (P-384)"},
 495     {25, "secp521r1 (P-521)"},
 496     {26, "brainpoolP256r1"},
 497     {27, "brainpoolP384r1"},
 498     {28, "brainpoolP512r1"},
 499     {29, "ecdh_x25519"},
 500     {0xFF01, "arbitrary_explicit_prime_curves"},
 501     {0xFF02, "arbitrary_explicit_char2_curves"}
 502 };
 503
 504 static ssl_trace_tbl ssl_point_tbl[] = {
 505     {0, "uncompressed"},
 506     {1, "ansiX962_compressed_prime"},
 507     {2, "ansiX962_compressed_char2"}
 508 };
 509
 510 static ssl_trace_tbl ssl_sigalg_tbl[] = {
 511     {TLSEXT_SIGALG_ecdsa_secp256r1_sha256, "ecdsa_secp256r1_sha256"},
 512     {TLSEXT_SIGALG_ecdsa_secp384r1_sha384, "ecdsa_secp384r1_sha384"},
 513     {TLSEXT_SIGALG_ecdsa_secp521r1_sha512, "ecdsa_secp521r1_sha512"},
 514     {TLSEXT_SIGALG_ecdsa_sha1, "ecdsa_sha1"},
 515     {TLSEXT_SIGALG_rsa_pss_sha256, "rsa_pss_sha256"},
 516     {TLSEXT_SIGALG_rsa_pss_sha384, "rsa_pss_sha384"},
 517     {TLSEXT_SIGALG_rsa_pss_sha512, "rsa_pss_sha512"},
 518     {TLSEXT_SIGALG_rsa_pkcs1_sha256, "rsa_pkcs1_sha256"},
 519     {TLSEXT_SIGALG_rsa_pkcs1_sha384, "rsa_pkcs1_sha384"},
 520     {TLSEXT_SIGALG_rsa_pkcs1_sha512, "rsa_pkcs1_sha512"},
 521     {TLSEXT_SIGALG_rsa_pkcs1_sha1, "rsa_pkcs1_sha1"},
 522     {TLSEXT_SIGALG_dsa_sha256, "dsa_sha256"},
 523     {TLSEXT_SIGALG_dsa_sha384, "dsa_sha384"},
 524     {TLSEXT_SIGALG_dsa_sha512, "dsa_sha512"},
 525     {TLSEXT_SIGALG_dsa_sha1, "dsa_sha1"},
 526     {TLSEXT_SIGALG_gostr34102012_256_gostr34112012_256, "gost2012_256"},
 527     {TLSEXT_SIGALG_gostr34102012_512_gostr34112012_512, "gost2012_512"},
 528     {TLSEXT_SIGALG_gostr34102001_gostr3411, "gost2001_gost94"},
 529 };
 530
 531 static ssl_trace_tbl ssl_ctype_tbl[] = {
 532     {1, "rsa_sign"},
 533     {2, "dss_sign"},
 534     {3, "rsa_fixed_dh"},
 535     {4, "dss_fixed_dh"},
 536     {5, "rsa_ephemeral_dh"},
 537     {6, "dss_ephemeral_dh"},
 538     {20, "fortezza_dms"},
 539     {64, "ecdsa_sign"},
 540     {65, "rsa_fixed_ecdh"},
 541     {66, "ecdsa_fixed_ecdh"}
 542 };
 543
 544 static ssl_trace_tbl ssl_psk_kex_modes_tbl[] = {
 545     {TLSEXT_KEX_MODE_KE, "psk_ke"},
 546     {TLSEXT_KEX_MODE_KE_DHE, "psk_dhe_ke"}
 547 };
 548
 549 static ssl_trace_tbl ssl_crypto_tbl[] = {
 550     {TLS1_RT_CRYPTO_PREMASTER, "Premaster Secret"},
 551     {TLS1_RT_CRYPTO_CLIENT_RANDOM, "Client Random"},
 552     {TLS1_RT_CRYPTO_SERVER_RANDOM, "Server Random"},
 553     {TLS1_RT_CRYPTO_MASTER, "Master Secret"},
 554     {TLS1_RT_CRYPTO_MAC | TLS1_RT_CRYPTO_WRITE, "Write Mac Secret"},
 555     {TLS1_RT_CRYPTO_MAC | TLS1_RT_CRYPTO_READ, "Read Mac Secret"},
 556     {TLS1_RT_CRYPTO_KEY | TLS1_RT_CRYPTO_WRITE, "Write Key"},
 557     {TLS1_RT_CRYPTO_KEY | TLS1_RT_CRYPTO_READ, "Read Key"},
 558     {TLS1_RT_CRYPTO_IV | TLS1_RT_CRYPTO_WRITE, "Write IV"},
 559     {TLS1_RT_CRYPTO_IV | TLS1_RT_CRYPTO_READ, "Read IV"},
 560     {TLS1_RT_CRYPTO_FIXED_IV | TLS1_RT_CRYPTO_WRITE, "Write IV (fixed part)"},
 561     {TLS1_RT_CRYPTO_FIXED_IV | TLS1_RT_CRYPTO_READ, "Read IV (fixed part)"}
 562 };
 563
 564 static void ssl_print_hex(BIO *bio, int indent, const char *name,
 565                           const unsigned char *msg, size_t msglen)
 566 {
 567     size_t i;
 568     BIO_indent(bio, indent, 80);
 569     BIO_printf(bio, "%s (len=%d): ", name, (int)msglen);
 570     for (i = 0; i < msglen; i++)
 571         BIO_printf(bio, "%02X", msg[i]);
 572     BIO_puts(bio, "\n");
 573 }
 574
 575 static int ssl_print_hexbuf(BIO *bio, int indent,
 576                             const char *name, size_t nlen,
 577                             const unsigned char **pmsg, size_t *pmsglen)
 578 {
 579     size_t blen;
 580     const unsigned char *p = *pmsg;
 581     if (*pmsglen < nlen)
 582         return 0;
 583     blen = p[0];
 584     if (nlen > 1)
 585         blen = (blen << 8) | p[1];
 586     if (*pmsglen < nlen + blen)
 587         return 0;
 588     p += nlen;
 589     ssl_print_hex(bio, indent, name, p, blen);
 590     *pmsg += blen + nlen;
 591     *pmsglen -= blen + nlen;
 592     return 1;
 593 }
 594
 595 static int ssl_print_version(BIO *bio, int indent, const char *name,
 596                              const unsigned char **pmsg, size_t *pmsglen,
 597                              unsigned int *version)
 598 {
 599     int vers;
 600
 601     if (*pmsglen < 2)
 602         return 0;
 603     vers = ((*pmsg)[0] << 8) | (*pmsg)[1];
 604     if (version != NULL) {
 605         /* TODO(TLS1.3): Remove the draft conditional here before release */
 606         *version = (vers == TLS1_3_VERSION_DRAFT) ? TLS1_3_VERSION : vers;
 607     }
 608     BIO_indent(bio, indent, 80);
 609     BIO_printf(bio, "%s=0x%x (%s)\n",
 610                name, vers, ssl_trace_str(vers, ssl_version_tbl));
 611     *pmsg += 2;
 612     *pmsglen -= 2;
 613     return 1;
 614 }
 615
 616 static int ssl_print_random(BIO *bio, int indent,
 617                             const unsigned char **pmsg, size_t *pmsglen)
 618 {
 619     unsigned int tm;
 620     const unsigned char *p = *pmsg;
 621     if (*pmsglen < 32)
 622         return 0;
 623     tm = (p[0] << 24) | (p[1] << 16) | (p[2] << 8) | p[3];
 624     p += 4;
 625     BIO_indent(bio, indent, 80);
 626     BIO_puts(bio, "Random:\n");
 627     BIO_indent(bio, indent + 2, 80);
 628     BIO_printf(bio, "gmt_unix_time=0x%08X\n", tm);
 629     ssl_print_hex(bio, indent + 2, "random_bytes", p, 28);
 630     *pmsg += 32;
 631     *pmsglen -= 32;
 632     return 1;
 633 }
 634
 635 static int ssl_print_signature(BIO *bio, int indent, SSL *s,
 636                                const unsigned char **pmsg, size_t *pmsglen)
 637 {
 638     if (*pmsglen < 2)
 639         return 0;
 640     if (SSL_USE_SIGALGS(s)) {
 641         const unsigned char *p = *pmsg;
 642         unsigned int sigalg = (p[0] << 8) | p[1];
 643
 644         BIO_indent(bio, indent, 80);
 645         BIO_printf(bio, "Signature Algorithm: %s (0x%04x)\n",
 646                    ssl_trace_str(sigalg, ssl_sigalg_tbl), sigalg);
 647         *pmsg += 2;
 648         *pmsglen -= 2;
 649     }
 650     return ssl_print_hexbuf(bio, indent, "Signature", 2, pmsg, pmsglen);
 651 }
 652
 653 static int ssl_print_extension(BIO *bio, int indent, int server, int extype,
 654                                const unsigned char *ext, size_t extlen)
 655 {
 656     size_t xlen, share_len;
 657     unsigned int sigalg;
 658
 659     BIO_indent(bio, indent, 80);
 660     BIO_printf(bio, "extension_type=%s(%d), length=%d\n",
 661                ssl_trace_str(extype, ssl_exts_tbl), extype, (int)extlen);
 662     switch (extype) {
 663     case TLSEXT_TYPE_ec_point_formats:
 664         if (extlen < 1)
 665             return 0;
 666         xlen = ext[0];
 667         if (extlen != xlen + 1)
 668             return 0;
 669         return ssl_trace_list(bio, indent + 2, ext + 1, xlen, 1, ssl_point_tbl);
 670
 671     case TLSEXT_TYPE_supported_groups:
 672         if (extlen < 2)
 673             return 0;
 674         xlen = (ext[0] << 8) | ext[1];
 675         if (extlen != xlen + 2)
 676             return 0;
 677         return ssl_trace_list(bio, indent + 2, ext + 2, xlen, 2, ssl_groups_tbl);
 678
 679     case TLSEXT_TYPE_signature_algorithms:
 680
 681         if (extlen < 2)
 682             return 0;
 683         xlen = (ext[0] << 8) | ext[1];
 684         if (extlen != xlen + 2)
 685             return 0;
 686         if (xlen & 1)
 687             return 0;
 688         ext += 2;
 689         while (xlen > 0) {
 690             BIO_indent(bio, indent + 2, 80);
 691             sigalg = (ext[0] << 8) | ext[1];
 692             BIO_printf(bio, "%s (0x%04x)\n",
 693                        ssl_trace_str(sigalg, ssl_sigalg_tbl), sigalg);
 694             xlen -= 2;
 695             ext += 2;
 696         }
 697         break;
 698
 699     case TLSEXT_TYPE_renegotiate:
 700         if (extlen < 1)
 701             return 0;
 702         xlen = ext[0];
 703         if (xlen + 1 != extlen)
 704             return 0;
 705         ext++;
 706         if (xlen) {
 707             if (server) {
 708                 if (xlen & 1)
 709                     return 0;
 710                 xlen >>= 1;
 711             }
 712             ssl_print_hex(bio, indent + 4, "client_verify_data", ext, xlen);
 713             if (server) {
 714                 ext += xlen;
 715                 ssl_print_hex(bio, indent + 4, "server_verify_data", ext, xlen);
 716             }
 717         } else {
 718             BIO_indent(bio, indent + 4, 80);
 719             BIO_puts(bio, "<EMPTY>\n");
 720         }
 721         break;
 722
 723     case TLSEXT_TYPE_heartbeat:
 724         return 0;
 725
 726     case TLSEXT_TYPE_session_ticket:
 727         if (extlen != 0)
 728             ssl_print_hex(bio, indent + 4, "ticket", ext, extlen);
 729         break;
 730
 731     case TLSEXT_TYPE_key_share:
 732         if (extlen < 2)
 733             return 0;
 734         if (server) {
 735             xlen = extlen;
 736         } else {
 737             xlen = (ext[0] << 8) | ext[1];
 738             if (extlen != xlen + 2)
 739                 return 0;
 740             ext += 2;
 741         }
 742         for (; xlen > 0; ext += share_len, xlen -= share_len) {
 743             int group_id;
 744
 745             if (xlen < 4)
 746                 return 0;
 747             group_id = (ext[0] << 8) | ext[1];
 748             share_len = (ext[2] << 8) | ext[3];
 749             ext += 4;
 750             xlen -= 4;
 751             if (xlen < share_len)
 752                 return 0;
 753             BIO_indent(bio, indent + 4, 80);
 754             BIO_printf(bio, "NamedGroup: %s\n",
 755                        ssl_trace_str(group_id, ssl_groups_tbl));
 756             ssl_print_hex(bio, indent + 4, "key_exchange: ", ext, share_len);
 757         }
 758         break;
 759
 760     case TLSEXT_TYPE_supported_versions:
 761         if (extlen < 1)
 762             return 0;
 763         xlen = ext[0];
 764         if (extlen != xlen + 1)
 765             return 0;
 766         return ssl_trace_list(bio, indent + 2, ext + 1, xlen, 2,
 767                               ssl_version_tbl);
 768
 769     case TLSEXT_TYPE_psk_kex_modes:
 770         if (extlen < 1)
 771             return 0;
 772         xlen = ext[0];
 773         if (extlen != xlen + 1)
 774             return 0;
 775         return ssl_trace_list(bio, indent + 2, ext + 1, xlen, 1,
 776                               ssl_psk_kex_modes_tbl);
 777
 778     default:
 779         BIO_dump_indent(bio, (const char *)ext, extlen, indent + 2);
 780     }
 781     return 1;
 782 }
 783
 784 static int ssl_print_extensions(BIO *bio, int indent, int server,
 785                                 const unsigned char **msgin, size_t *msginlen)
 786 {
 787     size_t extslen, msglen = *msginlen;
 788     const unsigned char *msg = *msgin;
 789
 790     BIO_indent(bio, indent, 80);
 791     if (msglen == 0) {
 792         BIO_puts(bio, "No Extensions\n");
 793         return 1;
 794     }
 795     extslen = (msg[0] << 8) | msg[1];
 796     if (extslen != msglen - 2)
 797         return 0;
 798     msg += 2;
 799     msglen = extslen;
 800     BIO_printf(bio, "extensions, length = %d\n", (int)msglen);
 801     while (msglen > 0) {
 802         int extype;
 803         size_t extlen;
 804         if (msglen < 4)
 805             return 0;
 806         extype = (msg[0] << 8) | msg[1];
 807         extlen = (msg[2] << 8) | msg[3];
 808         if (msglen < extlen + 4)
 809             return 0;
 810         msg += 4;
 811         if (!ssl_print_extension(bio, indent + 2, server, extype, msg, extlen))
 812             return 0;
 813         msg += extlen;
 814         msglen -= extlen + 4;
 815     }
 816
 817     *msgin = msg;
 818     *msginlen = msglen;
 819     return 1;
 820 }
 821
 822 static int ssl_print_client_hello(BIO *bio, SSL *ssl, int indent,
 823                                   const unsigned char *msg, size_t msglen)
 824 {
 825     size_t len;
 826     unsigned int cs;
 827     if (!ssl_print_version(bio, indent, "client_version", &msg, &msglen, NULL))
 828         return 0;
 829     if (!ssl_print_random(bio, indent, &msg, &msglen))
 830         return 0;
 831     if (!ssl_print_hexbuf(bio, indent, "session_id", 1, &msg, &msglen))
 832         return 0;
 833     if (SSL_IS_DTLS(ssl)) {
 834         if (!ssl_print_hexbuf(bio, indent, "cookie", 1, &msg, &msglen))
 835             return 0;
 836     }
 837     if (msglen < 2)
 838         return 0;
 839     len = (msg[0] << 8) | msg[1];
 840     msg += 2;
 841     msglen -= 2;
 842     BIO_indent(bio, indent, 80);
 843     BIO_printf(bio, "cipher_suites (len=%d)\n", (int)len);
 844     if (msglen < len || len & 1)
 845         return 0;
 846     while (len > 0) {
 847         cs = (msg[0] << 8) | msg[1];
 848         BIO_indent(bio, indent + 2, 80);
 849         BIO_printf(bio, "{0x%02X, 0x%02X} %s\n",
 850                    msg[0], msg[1], ssl_trace_str(cs, ssl_ciphers_tbl));
 851         msg += 2;
 852         msglen -= 2;
 853         len -= 2;
 854     }
 855     if (msglen < 1)
 856         return 0;
 857     len = msg[0];
 858     msg++;
 859     msglen--;
 860     if (msglen < len)
 861         return 0;
 862     BIO_indent(bio, indent, 80);
 863     BIO_printf(bio, "compression_methods (len=%d)\n", (int)len);
 864     while (len > 0) {
 865         BIO_indent(bio, indent + 2, 80);
 866         BIO_printf(bio, "%s (0x%02X)\n",
 867                    ssl_trace_str(msg[0], ssl_comp_tbl), msg[0]);
 868         msg++;
 869         msglen--;
 870         len--;
 871     }
 872     if (!ssl_print_extensions(bio, indent, 0, &msg, &msglen))
 873         return 0;
 874     return 1;
 875 }
 876
 877 static int dtls_print_hello_vfyrequest(BIO *bio, int indent,
 878                                        const unsigned char *msg, size_t msglen)
 879 {
 880     if (!ssl_print_version(bio, indent, "server_version", &msg, &msglen, NULL))
 881         return 0;
 882     if (!ssl_print_hexbuf(bio, indent, "cookie", 1, &msg, &msglen))
 883         return 0;
 884     return 1;
 885 }
 886
 887 static int ssl_print_server_hello(BIO *bio, int indent,
 888                                   const unsigned char *msg, size_t msglen)
 889 {
 890     unsigned int cs;
 891     unsigned int vers;
 892
 893     if (!ssl_print_version(bio, indent, "server_version", &msg, &msglen, &vers))
 894         return 0;
 895     if (!ssl_print_random(bio, indent, &msg, &msglen))
 896         return 0;
 897     if (vers != TLS1_3_VERSION
 898             && !ssl_print_hexbuf(bio, indent, "session_id", 1, &msg, &msglen))
 899         return 0;
 900     if (msglen < 2)
 901         return 0;
 902     cs = (msg[0] << 8) | msg[1];
 903     BIO_indent(bio, indent, 80);
 904     BIO_printf(bio, "cipher_suite {0x%02X, 0x%02X} %s\n",
 905                msg[0], msg[1], ssl_trace_str(cs, ssl_ciphers_tbl));
 906     msg += 2;
 907     msglen -= 2;
 908     if (vers != TLS1_3_VERSION) {
 909         if (msglen < 1)
 910             return 0;
 911         BIO_indent(bio, indent, 80);
 912         BIO_printf(bio, "compression_method: %s (0x%02X)\n",
 913                    ssl_trace_str(msg[0], ssl_comp_tbl), msg[0]);
 914         msg++;
 915         msglen--;
 916     }
 917     if (!ssl_print_extensions(bio, indent, 1, &msg, &msglen))
 918         return 0;
 919     return 1;
 920 }
 921
 922 static int ssl_get_keyex(const char **pname, SSL *ssl)
 923 {
 924     unsigned long alg_k = ssl->s3->tmp.new_cipher->algorithm_mkey;
 925     if (alg_k & SSL_kRSA) {
 926         *pname = "rsa";
 927         return SSL_kRSA;
 928     }
 929     if (alg_k & SSL_kDHE) {
 930         *pname = "DHE";
 931         return SSL_kDHE;
 932     }
 933     if (alg_k & SSL_kECDHE) {
 934         *pname = "ECDHE";
 935         return SSL_kECDHE;
 936     }
 937     if (alg_k & SSL_kPSK) {
 938         *pname = "PSK";
 939         return SSL_kPSK;
 940     }
 941     if (alg_k & SSL_kRSAPSK) {
 942         *pname = "RSAPSK";
 943         return SSL_kRSAPSK;
 944     }
 945     if (alg_k & SSL_kDHEPSK) {
 946         *pname = "DHEPSK";
 947         return SSL_kDHEPSK;
 948     }
 949     if (alg_k & SSL_kECDHEPSK) {
 950         *pname = "ECDHEPSK";
 951         return SSL_kECDHEPSK;
 952     }
 953     if (alg_k & SSL_kSRP) {
 954         *pname = "SRP";
 955         return SSL_kSRP;
 956     }
 957     if (alg_k & SSL_kGOST) {
 958         *pname = "GOST";
 959         return SSL_kGOST;
 960     }
 961     *pname = "UNKNOWN";
 962     return 0;
 963 }
 964
 965 static int ssl_print_client_keyex(BIO *bio, int indent, SSL *ssl,
 966                                   const unsigned char *msg, size_t msglen)
 967 {
 968     const char *algname;
 969     int id;
 970     id = ssl_get_keyex(&algname, ssl);
 971     BIO_indent(bio, indent, 80);
 972     BIO_printf(bio, "KeyExchangeAlgorithm=%s\n", algname);
 973     if (id & SSL_PSK) {
 974         if (!ssl_print_hexbuf(bio, indent + 2,
 975                               "psk_identity", 2, &msg, &msglen))
 976             return 0;
 977     }
 978     switch (id) {
 979
 980     case SSL_kRSA:
 981     case SSL_kRSAPSK:
 982         if (TLS1_get_version(ssl) == SSL3_VERSION) {
 983             ssl_print_hex(bio, indent + 2,
 984                           "EncyptedPreMasterSecret", msg, msglen);
 985         } else {
 986             if (!ssl_print_hexbuf(bio, indent + 2,
 987                                   "EncyptedPreMasterSecret", 2, &msg, &msglen))
 988                 return 0;
 989         }
 990         break;
 991
 992     case SSL_kDHE:
 993     case SSL_kDHEPSK:
 994         if (!ssl_print_hexbuf(bio, indent + 2, "dh_Yc", 2, &msg, &msglen))
 995             return 0;
 996         break;
 997
 998     case SSL_kECDHE:
 999     case SSL_kECDHEPSK:
1000         if (!ssl_print_hexbuf(bio, indent + 2, "ecdh_Yc", 1, &msg, &msglen))
1001             return 0;
1002         break;
1003
1004     }
1005
1006     return !msglen;
1007 }
1008
1009 static int ssl_print_server_keyex(BIO *bio, int indent, SSL *ssl,
1010                                   const unsigned char *msg, size_t msglen)
1011 {
1012     const char *algname;
1013     int id;
1014     id = ssl_get_keyex(&algname, ssl);
1015     BIO_indent(bio, indent, 80);
1016     BIO_printf(bio, "KeyExchangeAlgorithm=%s\n", algname);
1017     if (id & SSL_PSK) {
1018         if (!ssl_print_hexbuf(bio, indent + 2,
1019                               "psk_identity_hint", 2, &msg, &msglen))
1020             return 0;
1021     }
1022     switch (id) {
1023     case SSL_kRSA:
1024
1025         if (!ssl_print_hexbuf(bio, indent + 2, "rsa_modulus", 2, &msg, &msglen))
1026             return 0;
1027         if (!ssl_print_hexbuf(bio, indent + 2, "rsa_exponent", 2,
1028                               &msg, &msglen))
1029             return 0;
1030         break;
1031
1032     case SSL_kDHE:
1033     case SSL_kDHEPSK:
1034         if (!ssl_print_hexbuf(bio, indent + 2, "dh_p", 2, &msg, &msglen))
1035             return 0;
1036         if (!ssl_print_hexbuf(bio, indent + 2, "dh_g", 2, &msg, &msglen))
1037             return 0;
1038         if (!ssl_print_hexbuf(bio, indent + 2, "dh_Ys", 2, &msg, &msglen))
1039             return 0;
1040         break;
1041
1042 # ifndef OPENSSL_NO_EC
1043     case SSL_kECDHE:
1044     case SSL_kECDHEPSK:
1045         if (msglen < 1)
1046             return 0;
1047         BIO_indent(bio, indent + 2, 80);
1048         if (msg[0] == EXPLICIT_PRIME_CURVE_TYPE)
1049             BIO_puts(bio, "explicit_prime\n");
1050         else if (msg[0] == EXPLICIT_CHAR2_CURVE_TYPE)
1051             BIO_puts(bio, "explicit_char2\n");
1052         else if (msg[0] == NAMED_CURVE_TYPE) {
1053             int curve;
1054             if (msglen < 3)
1055                 return 0;
1056             curve = (msg[1] << 8) | msg[2];
1057             BIO_printf(bio, "named_curve: %s (%d)\n",
1058                        ssl_trace_str(curve, ssl_groups_tbl), curve);
1059             msg += 3;
1060             msglen -= 3;
1061             if (!ssl_print_hexbuf(bio, indent + 2, "point", 1, &msg, &msglen))
1062                 return 0;
1063         } else {
1064             BIO_printf(bio, "UNKNOWN CURVE PARAMETER TYPE %d\n", msg[0]);
1065             return 0;
1066         }
1067         break;
1068 # endif
1069
1070     case SSL_kPSK:
1071     case SSL_kRSAPSK:
1072         break;
1073     }
1074     if (!(id & SSL_PSK))
1075         ssl_print_signature(bio, indent, ssl, &msg, &msglen);
1076     return !msglen;
1077 }
1078
1079 static int ssl_print_certificate(BIO *bio, int indent,
1080                                  const unsigned char **pmsg, size_t *pmsglen)
1081 {
1082     size_t msglen = *pmsglen;
1083     size_t clen;
1084     X509 *x;
1085     const unsigned char *p = *pmsg, *q;
1086     if (msglen < 3)
1087         return 0;
1088     clen = (p[0] << 16) | (p[1] << 8) | p[2];
1089     if (msglen < clen + 3)
1090         return 0;
1091     q = p + 3;
1092     BIO_indent(bio, indent, 80);
1093     BIO_printf(bio, "ASN.1Cert, length=%d", (int)clen);
1094     x = d2i_X509(NULL, &q, clen);
1095     if (!x)
1096         BIO_puts(bio, "<UNPARSEABLE CERTIFICATE>\n");
1097     else {
1098         BIO_puts(bio, "\n------details-----\n");
1099         X509_print_ex(bio, x, XN_FLAG_ONELINE, 0);
1100         PEM_write_bio_X509(bio, x);
1101         /* Print certificate stuff */
1102         BIO_puts(bio, "------------------\n");
1103         X509_free(x);
1104     }
1105     if (q != p + 3 + clen) {
1106         BIO_puts(bio, "<TRAILING GARBAGE AFTER CERTIFICATE>\n");
1107     }
1108     *pmsg += clen + 3;
1109     *pmsglen -= clen + 3;
1110     return 1;
1111 }
1112
1113 static int ssl_print_certificates(BIO *bio, SSL *s, int server, int indent,
1114                                   const unsigned char *msg, size_t msglen)
1115 {
1116     size_t clen;
1117
1118     if (SSL_IS_TLS13(s)
1119             && !ssl_print_hexbuf(bio, indent, "context", 1, &msg, &msglen))
1120         return 0;
1121
1122     if (msglen < 3)
1123         return 0;
1124     clen = (msg[0] << 16) | (msg[1] << 8) | msg[2];
1125     if (msglen != clen + 3)
1126         return 0;
1127     msg += 3;
1128     BIO_indent(bio, indent, 80);
1129     BIO_printf(bio, "certificate_list, length=%d\n", (int)clen);
1130     while (clen > 0) {
1131         if (!ssl_print_certificate(bio, indent + 2, &msg, &clen))
1132             return 0;
1133         if (!ssl_print_extensions(bio, indent + 2, server, &msg, &clen))
1134             return 0;
1135
1136     }
1137     return 1;
1138 }
1139
1140 static int ssl_print_cert_request(BIO *bio, int indent, SSL *s,
1141                                   const unsigned char *msg, size_t msglen)
1142 {
1143     size_t xlen;
1144     unsigned int sigalg;
1145
1146     if (msglen < 1)
1147         return 0;
1148     xlen = msg[0];
1149     if (msglen < xlen + 1)
1150         return 0;
1151     msg++;
1152     BIO_indent(bio, indent, 80);
1153     BIO_printf(bio, "certificate_types (len=%d)\n", (int)xlen);
1154     if (!ssl_trace_list(bio, indent + 2, msg, xlen, 1, ssl_ctype_tbl))
1155         return 0;
1156     msg += xlen;
1157     msglen -= xlen + 1;
1158     if (!SSL_USE_SIGALGS(s))
1159         goto skip_sig;
1160     if (msglen < 2)
1161         return 0;
1162     xlen = (msg[0] << 8) | msg[1];
1163     if (msglen < xlen + 2 || (xlen & 1))
1164         return 0;
1165     msg += 2;
1166     BIO_indent(bio, indent, 80);
1167     BIO_printf(bio, "signature_algorithms (len=%d)\n", (int)xlen);
1168     while (xlen > 0) {
1169         BIO_indent(bio, indent + 2, 80);
1170         sigalg = (msg[0] << 8) | msg[1];
1171         BIO_printf(bio, "%s (0x%04x)\n",
1172                    ssl_trace_str(sigalg, ssl_sigalg_tbl), sigalg);
1173         xlen -= 2;
1174         msg += 2;
1175     }
1176     msg += xlen;
1177     msglen -= xlen + 2;
1178
1179  skip_sig:
1180     xlen = (msg[0] << 8) | msg[1];
1181     BIO_indent(bio, indent, 80);
1182     if (msglen < xlen + 2)
1183         return 0;
1184     msg += 2;
1185     msglen -= 2;
1186     BIO_printf(bio, "certificate_authorities (len=%d)\n", (int)xlen);
1187     while (xlen > 0) {
1188         size_t dlen;
1189         X509_NAME *nm;
1190         const unsigned char *p;
1191         if (xlen < 2)
1192             return 0;
1193         dlen = (msg[0] << 8) | msg[1];
1194         if (xlen < dlen + 2)
1195             return 0;
1196         msg += 2;
1197         BIO_indent(bio, indent + 2, 80);
1198         BIO_printf(bio, "DistinguishedName (len=%d): ", (int)dlen);
1199         p = msg;
1200         nm = d2i_X509_NAME(NULL, &p, dlen);
1201         if (!nm) {
1202             BIO_puts(bio, "<UNPARSEABLE DN>\n");
1203         } else {
1204             X509_NAME_print_ex(bio, nm, 0, XN_FLAG_ONELINE);
1205             BIO_puts(bio, "\n");
1206             X509_NAME_free(nm);
1207         }
1208         xlen -= dlen + 2;
1209         msg += dlen;
1210     }
1211     return 1;
1212 }
1213
1214 static int ssl_print_ticket(BIO *bio, int indent,
1215                             const unsigned char *msg, size_t msglen)
1216 {
1217     unsigned int tick_life;
1218     if (msglen == 0) {
1219         BIO_indent(bio, indent + 2, 80);
1220         BIO_puts(bio, "No Ticket\n");
1221         return 1;
1222     }
1223     if (msglen < 4)
1224         return 0;
1225     tick_life = (msg[0] << 24) | (msg[1] << 16) | (msg[2] << 8) | msg[3];
1226     msglen -= 4;
1227     msg += 4;
1228     BIO_indent(bio, indent + 2, 80);
1229     BIO_printf(bio, "ticket_lifetime_hint=%u\n", tick_life);
1230     if (!ssl_print_hexbuf(bio, indent + 2, "ticket", 2, &msg, &msglen))
1231         return 0;
1232     if (msglen)
1233         return 0;
1234     return 1;
1235 }
1236
1237 static int ssl_print_handshake(BIO *bio, SSL *ssl, int server,
1238                                const unsigned char *msg, size_t msglen,
1239                                int indent)
1240 {
1241     size_t hlen;
1242     unsigned char htype;
1243     if (msglen < 4)
1244         return 0;
1245     htype = msg[0];
1246     hlen = (msg[1] << 16) | (msg[2] << 8) | msg[3];
1247     BIO_indent(bio, indent, 80);
1248     BIO_printf(bio, "%s, Length=%d\n",
1249                ssl_trace_str(htype, ssl_handshake_tbl), (int)hlen);
1250     msg += 4;
1251     msglen -= 4;
1252     if (SSL_IS_DTLS(ssl)) {
1253         if (msglen < 8)
1254             return 0;
1255         BIO_indent(bio, indent, 80);
1256         BIO_printf(bio, "message_seq=%d, fragment_offset=%d, "
1257                    "fragment_length=%d\n",
1258                    (msg[0] << 8) | msg[1],
1259                    (msg[2] << 16) | (msg[3] << 8) | msg[4],
1260                    (msg[5] << 16) | (msg[6] << 8) | msg[7]);
1261         msg += 8;
1262         msglen -= 8;
1263     }
1264     if (msglen < hlen)
1265         return 0;
1266     switch (htype) {
1267     case SSL3_MT_CLIENT_HELLO:
1268         if (!ssl_print_client_hello(bio, ssl, indent + 2, msg, msglen))
1269             return 0;
1270         break;
1271
1272     case DTLS1_MT_HELLO_VERIFY_REQUEST:
1273         if (!dtls_print_hello_vfyrequest(bio, indent + 2, msg, msglen))
1274             return 0;
1275         break;
1276
1277     case SSL3_MT_SERVER_HELLO:
1278         if (!ssl_print_server_hello(bio, indent + 2, msg, msglen))
1279             return 0;
1280         break;
1281
1282     case SSL3_MT_SERVER_KEY_EXCHANGE:
1283         if (!ssl_print_server_keyex(bio, indent + 2, ssl, msg, msglen))
1284             return 0;
1285         break;
1286
1287     case SSL3_MT_CLIENT_KEY_EXCHANGE:
1288         if (!ssl_print_client_keyex(bio, indent + 2, ssl, msg, msglen))
1289             return 0;
1290         break;
1291
1292     case SSL3_MT_CERTIFICATE:
1293         if (!ssl_print_certificates(bio, ssl, server, indent + 2, msg, msglen))
1294             return 0;
1295         break;
1296
1297     case SSL3_MT_CERTIFICATE_VERIFY:
1298         if (!ssl_print_signature(bio, indent + 2, ssl, &msg, &msglen))
1299             return 0;
1300         break;
1301
1302     case SSL3_MT_CERTIFICATE_REQUEST:
1303         if (!ssl_print_cert_request(bio, indent + 2, ssl, msg, msglen))
1304             return 0;
1305         break;
1306
1307     case SSL3_MT_FINISHED:
1308         ssl_print_hex(bio, indent + 2, "verify_data", msg, msglen);
1309         break;
1310
1311     case SSL3_MT_SERVER_DONE:
1312         if (msglen != 0)
1313             ssl_print_hex(bio, indent + 2, "unexpected value", msg, msglen);
1314         break;
1315
1316     case SSL3_MT_NEWSESSION_TICKET:
1317         if (!ssl_print_ticket(bio, indent + 2, msg, msglen))
1318             return 0;
1319         break;
1320
1321     case SSL3_MT_ENCRYPTED_EXTENSIONS:
1322         if (!ssl_print_extensions(bio, indent + 2, 1, &msg, &msglen))
1323             return 0;
1324         break;
1325
1326     default:
1327         BIO_indent(bio, indent + 2, 80);
1328         BIO_puts(bio, "Unsupported, hex dump follows:\n");
1329         BIO_dump_indent(bio, (const char *)msg, msglen, indent + 4);
1330     }
1331     return 1;
1332 }
1333
1334 const char *SSL_CIPHER_standard_name(const SSL_CIPHER *c)
1335 {
1336     return ssl_trace_str(c->id & 0xFFFF, ssl_ciphers_tbl);
1337 }
1338
1339 void SSL_trace(int write_p, int version, int content_type,
1340                const void *buf, size_t msglen, SSL *ssl, void *arg)
1341 {
1342     const unsigned char *msg = buf;
1343     BIO *bio = arg;
1344
1345     if (write_p == 2) {
1346         BIO_puts(bio, "Session ");
1347         ssl_print_hex(bio, 0,
1348                       ssl_trace_str(content_type, ssl_crypto_tbl), msg, msglen);
1349         return;
1350     }
1351     switch (content_type) {
1352     case SSL3_RT_HEADER:
1353         {
1354             int hvers = msg[1] << 8 | msg[2];
1355             BIO_puts(bio, write_p ? "Sent" : "Received");
1356             BIO_printf(bio, " Record\nHeader:\n  Version = %s (0x%x)\n",
1357                        ssl_trace_str(hvers, ssl_version_tbl), hvers);
1358             if (SSL_IS_DTLS(ssl)) {
1359                 BIO_printf(bio,
1360                            "  epoch=%d, sequence_number=%04x%04x%04x\n",
1361                            (msg[3] << 8 | msg[4]),
1362                            (msg[5] << 8 | msg[6]),
1363                            (msg[7] << 8 | msg[8]), (msg[9] << 8 | msg[10]));
1364             }
1365
1366             BIO_printf(bio, "  Content Type = %s (%d)\n  Length = %d",
1367                        ssl_trace_str(msg[0], ssl_content_tbl), msg[0],
1368                        msg[msglen - 2] << 8 | msg[msglen - 1]);
1369         }
1370         break;
1371     case SSL3_RT_HANDSHAKE:
1372         if (!ssl_print_handshake(bio, ssl, ssl->server ? write_p : !write_p,
1373                                  msg, msglen, 4))
1374             BIO_printf(bio, "Message length parse error!\n");
1375         break;
1376
1377     case SSL3_RT_CHANGE_CIPHER_SPEC:
1378         if (msglen == 1 && msg[0] == 1)
1379             BIO_puts(bio, "    change_cipher_spec (1)\n");
1380         else
1381             ssl_print_hex(bio, 4, "unknown value", msg, msglen);
1382         break;
1383
1384     case SSL3_RT_ALERT:
1385         if (msglen != 2)
1386             BIO_puts(bio, "    Illegal Alert Length\n");
1387         else {
1388             BIO_printf(bio, "    Level=%s(%d), description=%s(%d)\n",
1389                        SSL_alert_type_string_long(msg[0] << 8),
1390                        msg[0], SSL_alert_desc_string_long(msg[1]), msg[1]);
1391         }
1392
1393     }
1394
1395     BIO_puts(bio, "\n");
1396 }
1397
1398 #endif