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_application_layer_protocol_negotiation,
 472      "application_layer_protocol_negotiation"},
 473     {TLSEXT_TYPE_signed_certificate_timestamp, "signed_certificate_timestamps"},
 474     {TLSEXT_TYPE_padding, "padding"},
 475     {TLSEXT_TYPE_encrypt_then_mac, "encrypt_then_mac"},
 476     {TLSEXT_TYPE_extended_master_secret, "extended_master_secret"}
 477 };
 478
 479 static ssl_trace_tbl ssl_groups_tbl[] = {
 480     {1, "sect163k1 (K-163)"},
 481     {2, "sect163r1"},
 482     {3, "sect163r2 (B-163)"},
 483     {4, "sect193r1"},
 484     {5, "sect193r2"},
 485     {6, "sect233k1 (K-233)"},
 486     {7, "sect233r1 (B-233)"},
 487     {8, "sect239k1"},
 488     {9, "sect283k1 (K-283)"},
 489     {10, "sect283r1 (B-283)"},
 490     {11, "sect409k1 (K-409)"},
 491     {12, "sect409r1 (B-409)"},
 492     {13, "sect571k1 (K-571)"},
 493     {14, "sect571r1 (B-571)"},
 494     {15, "secp160k1"},
 495     {16, "secp160r1"},
 496     {17, "secp160r2"},
 497     {18, "secp192k1"},
 498     {19, "secp192r1 (P-192)"},
 499     {20, "secp224k1"},
 500     {21, "secp224r1 (P-224)"},
 501     {22, "secp256k1"},
 502     {23, "secp256r1 (P-256)"},
 503     {24, "secp384r1 (P-384)"},
 504     {25, "secp521r1 (P-521)"},
 505     {26, "brainpoolP256r1"},
 506     {27, "brainpoolP384r1"},
 507     {28, "brainpoolP512r1"},
 508     {29, "ecdh_x25519"},
 509     {256, "ffdhe2048"},
 510     {257, "ffdhe3072"},
 511     {258, "ffdhe4096"},
 512     {259, "ffdhe6144"},
 513     {260, "ffdhe8192"},
 514     {0xFF01, "arbitrary_explicit_prime_curves"},
 515     {0xFF02, "arbitrary_explicit_char2_curves"}
 516 };
 517
 518 static ssl_trace_tbl ssl_point_tbl[] = {
 519     {0, "uncompressed"},
 520     {1, "ansiX962_compressed_prime"},
 521     {2, "ansiX962_compressed_char2"}
 522 };
 523
 524 static ssl_trace_tbl ssl_sigalg_tbl[] = {
 525     {TLSEXT_SIGALG_ecdsa_secp256r1_sha256, "ecdsa_secp256r1_sha256"},
 526     {TLSEXT_SIGALG_ecdsa_secp384r1_sha384, "ecdsa_secp384r1_sha384"},
 527     {TLSEXT_SIGALG_ecdsa_secp521r1_sha512, "ecdsa_secp521r1_sha512"},
 528     {TLSEXT_SIGALG_ecdsa_sha1, "ecdsa_sha1"},
 529     {TLSEXT_SIGALG_rsa_pss_sha256, "rsa_pss_sha256"},
 530     {TLSEXT_SIGALG_rsa_pss_sha384, "rsa_pss_sha384"},
 531     {TLSEXT_SIGALG_rsa_pss_sha512, "rsa_pss_sha512"},
 532     {TLSEXT_SIGALG_rsa_pkcs1_sha256, "rsa_pkcs1_sha256"},
 533     {TLSEXT_SIGALG_rsa_pkcs1_sha384, "rsa_pkcs1_sha384"},
 534     {TLSEXT_SIGALG_rsa_pkcs1_sha512, "rsa_pkcs1_sha512"},
 535     {TLSEXT_SIGALG_rsa_pkcs1_sha1, "rsa_pkcs1_sha1"},
 536     {TLSEXT_SIGALG_dsa_sha256, "dsa_sha256"},
 537     {TLSEXT_SIGALG_dsa_sha384, "dsa_sha384"},
 538     {TLSEXT_SIGALG_dsa_sha512, "dsa_sha512"},
 539     {TLSEXT_SIGALG_dsa_sha1, "dsa_sha1"},
 540     {TLSEXT_SIGALG_gostr34102012_256_gostr34112012_256, "gost2012_256"},
 541     {TLSEXT_SIGALG_gostr34102012_512_gostr34112012_512, "gost2012_512"},
 542     {TLSEXT_SIGALG_gostr34102001_gostr3411, "gost2001_gost94"},
 543 };
 544
 545 static ssl_trace_tbl ssl_ctype_tbl[] = {
 546     {1, "rsa_sign"},
 547     {2, "dss_sign"},
 548     {3, "rsa_fixed_dh"},
 549     {4, "dss_fixed_dh"},
 550     {5, "rsa_ephemeral_dh"},
 551     {6, "dss_ephemeral_dh"},
 552     {20, "fortezza_dms"},
 553     {64, "ecdsa_sign"},
 554     {65, "rsa_fixed_ecdh"},
 555     {66, "ecdsa_fixed_ecdh"}
 556 };
 557
 558 static ssl_trace_tbl ssl_psk_kex_modes_tbl[] = {
 559     {TLSEXT_KEX_MODE_KE, "psk_ke"},
 560     {TLSEXT_KEX_MODE_KE_DHE, "psk_dhe_ke"}
 561 };
 562
 563 static ssl_trace_tbl ssl_crypto_tbl[] = {
 564     {TLS1_RT_CRYPTO_PREMASTER, "Premaster Secret"},
 565     {TLS1_RT_CRYPTO_CLIENT_RANDOM, "Client Random"},
 566     {TLS1_RT_CRYPTO_SERVER_RANDOM, "Server Random"},
 567     {TLS1_RT_CRYPTO_MASTER, "Master Secret"},
 568     {TLS1_RT_CRYPTO_MAC | TLS1_RT_CRYPTO_WRITE, "Write Mac Secret"},
 569     {TLS1_RT_CRYPTO_MAC | TLS1_RT_CRYPTO_READ, "Read Mac Secret"},
 570     {TLS1_RT_CRYPTO_KEY | TLS1_RT_CRYPTO_WRITE, "Write Key"},
 571     {TLS1_RT_CRYPTO_KEY | TLS1_RT_CRYPTO_READ, "Read Key"},
 572     {TLS1_RT_CRYPTO_IV | TLS1_RT_CRYPTO_WRITE, "Write IV"},
 573     {TLS1_RT_CRYPTO_IV | TLS1_RT_CRYPTO_READ, "Read IV"},
 574     {TLS1_RT_CRYPTO_FIXED_IV | TLS1_RT_CRYPTO_WRITE, "Write IV (fixed part)"},
 575     {TLS1_RT_CRYPTO_FIXED_IV | TLS1_RT_CRYPTO_READ, "Read IV (fixed part)"}
 576 };
 577
 578 static ssl_trace_tbl ssl_key_update_tbl[] = {
 579     {SSL_KEY_UPDATE_NOT_REQUESTED, "update_not_requested"},
 580     {SSL_KEY_UPDATE_REQUESTED, "update_requested"}
 581 };
 582
 583 static void ssl_print_hex(BIO *bio, int indent, const char *name,
 584                           const unsigned char *msg, size_t msglen)
 585 {
 586     size_t i;
 587     BIO_indent(bio, indent, 80);
 588     BIO_printf(bio, "%s (len=%d): ", name, (int)msglen);
 589     for (i = 0; i < msglen; i++)
 590         BIO_printf(bio, "%02X", msg[i]);
 591     BIO_puts(bio, "\n");
 592 }
 593
 594 static int ssl_print_hexbuf(BIO *bio, int indent,
 595                             const char *name, size_t nlen,
 596                             const unsigned char **pmsg, size_t *pmsglen)
 597 {
 598     size_t blen;
 599     const unsigned char *p = *pmsg;
 600     if (*pmsglen < nlen)
 601         return 0;
 602     blen = p[0];
 603     if (nlen > 1)
 604         blen = (blen << 8) | p[1];
 605     if (*pmsglen < nlen + blen)
 606         return 0;
 607     p += nlen;
 608     ssl_print_hex(bio, indent, name, p, blen);
 609     *pmsg += blen + nlen;
 610     *pmsglen -= blen + nlen;
 611     return 1;
 612 }
 613
 614 static int ssl_print_version(BIO *bio, int indent, const char *name,
 615                              const unsigned char **pmsg, size_t *pmsglen,
 616                              unsigned int *version)
 617 {
 618     int vers;
 619
 620     if (*pmsglen < 2)
 621         return 0;
 622     vers = ((*pmsg)[0] << 8) | (*pmsg)[1];
 623     if (version != NULL) {
 624         /* TODO(TLS1.3): Remove the draft conditional here before release */
 625         *version = (vers == TLS1_3_VERSION_DRAFT) ? TLS1_3_VERSION : vers;
 626     }
 627     BIO_indent(bio, indent, 80);
 628     BIO_printf(bio, "%s=0x%x (%s)\n",
 629                name, vers, ssl_trace_str(vers, ssl_version_tbl));
 630     *pmsg += 2;
 631     *pmsglen -= 2;
 632     return 1;
 633 }
 634
 635 static int ssl_print_random(BIO *bio, int indent,
 636                             const unsigned char **pmsg, size_t *pmsglen)
 637 {
 638     unsigned int tm;
 639     const unsigned char *p = *pmsg;
 640     if (*pmsglen < 32)
 641         return 0;
 642     tm = (p[0] << 24) | (p[1] << 16) | (p[2] << 8) | p[3];
 643     p += 4;
 644     BIO_indent(bio, indent, 80);
 645     BIO_puts(bio, "Random:\n");
 646     BIO_indent(bio, indent + 2, 80);
 647     BIO_printf(bio, "gmt_unix_time=0x%08X\n", tm);
 648     ssl_print_hex(bio, indent + 2, "random_bytes", p, 28);
 649     *pmsg += 32;
 650     *pmsglen -= 32;
 651     return 1;
 652 }
 653
 654 static int ssl_print_signature(BIO *bio, int indent, SSL *s,
 655                                const unsigned char **pmsg, size_t *pmsglen)
 656 {
 657     if (*pmsglen < 2)
 658         return 0;
 659     if (SSL_USE_SIGALGS(s)) {
 660         const unsigned char *p = *pmsg;
 661         unsigned int sigalg = (p[0] << 8) | p[1];
 662
 663         BIO_indent(bio, indent, 80);
 664         BIO_printf(bio, "Signature Algorithm: %s (0x%04x)\n",
 665                    ssl_trace_str(sigalg, ssl_sigalg_tbl), sigalg);
 666         *pmsg += 2;
 667         *pmsglen -= 2;
 668     }
 669     return ssl_print_hexbuf(bio, indent, "Signature", 2, pmsg, pmsglen);
 670 }
 671
 672 static int ssl_print_extension(BIO *bio, int indent, int server,
 673                                unsigned char mt, int extype,
 674                                const unsigned char *ext, size_t extlen)
 675 {
 676     size_t xlen, share_len;
 677     unsigned int sigalg;
 678
 679     BIO_indent(bio, indent, 80);
 680     BIO_printf(bio, "extension_type=%s(%d), length=%d\n",
 681                ssl_trace_str(extype, ssl_exts_tbl), extype, (int)extlen);
 682     switch (extype) {
 683     case TLSEXT_TYPE_ec_point_formats:
 684         if (extlen < 1)
 685             return 0;
 686         xlen = ext[0];
 687         if (extlen != xlen + 1)
 688             return 0;
 689         return ssl_trace_list(bio, indent + 2, ext + 1, xlen, 1, ssl_point_tbl);
 690
 691     case TLSEXT_TYPE_supported_groups:
 692         if (extlen < 2)
 693             return 0;
 694         xlen = (ext[0] << 8) | ext[1];
 695         if (extlen != xlen + 2)
 696             return 0;
 697         return ssl_trace_list(bio, indent + 2, ext + 2, xlen, 2, ssl_groups_tbl);
 698     case TLSEXT_TYPE_application_layer_protocol_negotiation:
 699         if (extlen < 2)
 700             return 0;
 701         xlen = (ext[0] << 8) | ext[1];
 702         if (extlen != xlen + 2)
 703             return 0;
 704         ext += 2;
 705         while (xlen > 0) {
 706             size_t plen = *ext++;
 707             if (plen > xlen + 1)
 708                 return 0;
 709             BIO_indent(bio, indent + 2, 80);
 710             BIO_write(bio, ext, plen);
 711             BIO_puts(bio, "\n");
 712             ext += plen;
 713             xlen -= plen + 1;
 714         }
 715         return 1;
 716
 717     case TLSEXT_TYPE_signature_algorithms:
 718
 719         if (extlen < 2)
 720             return 0;
 721         xlen = (ext[0] << 8) | ext[1];
 722         if (extlen != xlen + 2)
 723             return 0;
 724         if (xlen & 1)
 725             return 0;
 726         ext += 2;
 727         while (xlen > 0) {
 728             BIO_indent(bio, indent + 2, 80);
 729             sigalg = (ext[0] << 8) | ext[1];
 730             BIO_printf(bio, "%s (0x%04x)\n",
 731                        ssl_trace_str(sigalg, ssl_sigalg_tbl), sigalg);
 732             xlen -= 2;
 733             ext += 2;
 734         }
 735         break;
 736
 737     case TLSEXT_TYPE_renegotiate:
 738         if (extlen < 1)
 739             return 0;
 740         xlen = ext[0];
 741         if (xlen + 1 != extlen)
 742             return 0;
 743         ext++;
 744         if (xlen) {
 745             if (server) {
 746                 if (xlen & 1)
 747                     return 0;
 748                 xlen >>= 1;
 749             }
 750             ssl_print_hex(bio, indent + 4, "client_verify_data", ext, xlen);
 751             if (server) {
 752                 ext += xlen;
 753                 ssl_print_hex(bio, indent + 4, "server_verify_data", ext, xlen);
 754             }
 755         } else {
 756             BIO_indent(bio, indent + 4, 80);
 757             BIO_puts(bio, "<EMPTY>\n");
 758         }
 759         break;
 760
 761     case TLSEXT_TYPE_heartbeat:
 762         return 0;
 763
 764     case TLSEXT_TYPE_session_ticket:
 765         if (extlen != 0)
 766             ssl_print_hex(bio, indent + 4, "ticket", ext, extlen);
 767         break;
 768
 769     case TLSEXT_TYPE_key_share:
 770         if (mt == SSL3_MT_HELLO_RETRY_REQUEST) {
 771             int group_id;
 772
 773             if (extlen != 2)
 774                 return 0;
 775             group_id = (ext[0] << 8) | ext[1];
 776             BIO_indent(bio, indent + 4, 80);
 777             BIO_printf(bio, "NamedGroup: %s (%d)\n",
 778                        ssl_trace_str(group_id, ssl_groups_tbl), group_id);
 779             break;
 780         }
 781         if (extlen < 2)
 782             return 0;
 783         if (server) {
 784             xlen = extlen;
 785         } else {
 786             xlen = (ext[0] << 8) | ext[1];
 787             if (extlen != xlen + 2)
 788                 return 0;
 789             ext += 2;
 790         }
 791         for (; xlen > 0; ext += share_len, xlen -= share_len) {
 792             int group_id;
 793
 794             if (xlen < 4)
 795                 return 0;
 796             group_id = (ext[0] << 8) | ext[1];
 797             share_len = (ext[2] << 8) | ext[3];
 798             ext += 4;
 799             xlen -= 4;
 800             if (xlen < share_len)
 801                 return 0;
 802             BIO_indent(bio, indent + 4, 80);
 803             BIO_printf(bio, "NamedGroup: %s (%d)\n",
 804                        ssl_trace_str(group_id, ssl_groups_tbl), group_id);
 805             ssl_print_hex(bio, indent + 4, "key_exchange: ", ext, share_len);
 806         }
 807         break;
 808
 809     case TLSEXT_TYPE_supported_versions:
 810         if (extlen < 1)
 811             return 0;
 812         xlen = ext[0];
 813         if (extlen != xlen + 1)
 814             return 0;
 815         return ssl_trace_list(bio, indent + 2, ext + 1, xlen, 2,
 816                               ssl_version_tbl);
 817
 818     case TLSEXT_TYPE_psk_kex_modes:
 819         if (extlen < 1)
 820             return 0;
 821         xlen = ext[0];
 822         if (extlen != xlen + 1)
 823             return 0;
 824         return ssl_trace_list(bio, indent + 2, ext + 1, xlen, 1,
 825                               ssl_psk_kex_modes_tbl);
 826
 827     default:
 828         BIO_dump_indent(bio, (const char *)ext, extlen, indent + 2);
 829     }
 830     return 1;
 831 }
 832
 833 static int ssl_print_extensions(BIO *bio, int indent, int server,
 834                                 unsigned char mt, const unsigned char **msgin,
 835                                 size_t *msginlen)
 836 {
 837     size_t extslen, msglen = *msginlen;
 838     const unsigned char *msg = *msgin;
 839
 840     BIO_indent(bio, indent, 80);
 841     if (msglen == 0) {
 842         BIO_puts(bio, "No Extensions\n");
 843         return 1;
 844     }
 845     extslen = (msg[0] << 8) | msg[1];
 846     if (extslen != msglen - 2)
 847         return 0;
 848     msg += 2;
 849     msglen = extslen;
 850     BIO_printf(bio, "extensions, length = %d\n", (int)msglen);
 851     while (msglen > 0) {
 852         int extype;
 853         size_t extlen;
 854         if (msglen < 4)
 855             return 0;
 856         extype = (msg[0] << 8) | msg[1];
 857         extlen = (msg[2] << 8) | msg[3];
 858         if (msglen < extlen + 4)
 859             return 0;
 860         msg += 4;
 861         if (!ssl_print_extension(bio, indent + 2, server, mt, extype, msg,
 862                                  extlen))
 863             return 0;
 864         msg += extlen;
 865         msglen -= extlen + 4;
 866     }
 867
 868     *msgin = msg;
 869     *msginlen = msglen;
 870     return 1;
 871 }
 872
 873 static int ssl_print_client_hello(BIO *bio, SSL *ssl, int indent,
 874                                   const unsigned char *msg, size_t msglen)
 875 {
 876     size_t len;
 877     unsigned int cs;
 878     if (!ssl_print_version(bio, indent, "client_version", &msg, &msglen, NULL))
 879         return 0;
 880     if (!ssl_print_random(bio, indent, &msg, &msglen))
 881         return 0;
 882     if (!ssl_print_hexbuf(bio, indent, "session_id", 1, &msg, &msglen))
 883         return 0;
 884     if (SSL_IS_DTLS(ssl)) {
 885         if (!ssl_print_hexbuf(bio, indent, "cookie", 1, &msg, &msglen))
 886             return 0;
 887     }
 888     if (msglen < 2)
 889         return 0;
 890     len = (msg[0] << 8) | msg[1];
 891     msg += 2;
 892     msglen -= 2;
 893     BIO_indent(bio, indent, 80);
 894     BIO_printf(bio, "cipher_suites (len=%d)\n", (int)len);
 895     if (msglen < len || len & 1)
 896         return 0;
 897     while (len > 0) {
 898         cs = (msg[0] << 8) | msg[1];
 899         BIO_indent(bio, indent + 2, 80);
 900         BIO_printf(bio, "{0x%02X, 0x%02X} %s\n",
 901                    msg[0], msg[1], ssl_trace_str(cs, ssl_ciphers_tbl));
 902         msg += 2;
 903         msglen -= 2;
 904         len -= 2;
 905     }
 906     if (msglen < 1)
 907         return 0;
 908     len = msg[0];
 909     msg++;
 910     msglen--;
 911     if (msglen < len)
 912         return 0;
 913     BIO_indent(bio, indent, 80);
 914     BIO_printf(bio, "compression_methods (len=%d)\n", (int)len);
 915     while (len > 0) {
 916         BIO_indent(bio, indent + 2, 80);
 917         BIO_printf(bio, "%s (0x%02X)\n",
 918                    ssl_trace_str(msg[0], ssl_comp_tbl), msg[0]);
 919         msg++;
 920         msglen--;
 921         len--;
 922     }
 923     if (!ssl_print_extensions(bio, indent, 0, SSL3_MT_CLIENT_HELLO, &msg,
 924                               &msglen))
 925         return 0;
 926     return 1;
 927 }
 928
 929 static int dtls_print_hello_vfyrequest(BIO *bio, int indent,
 930                                        const unsigned char *msg, size_t msglen)
 931 {
 932     if (!ssl_print_version(bio, indent, "server_version", &msg, &msglen, NULL))
 933         return 0;
 934     if (!ssl_print_hexbuf(bio, indent, "cookie", 1, &msg, &msglen))
 935         return 0;
 936     return 1;
 937 }
 938
 939 static int ssl_print_server_hello(BIO *bio, int indent,
 940                                   const unsigned char *msg, size_t msglen)
 941 {
 942     unsigned int cs;
 943     unsigned int vers;
 944
 945     if (!ssl_print_version(bio, indent, "server_version", &msg, &msglen, &vers))
 946         return 0;
 947     if (!ssl_print_random(bio, indent, &msg, &msglen))
 948         return 0;
 949     if (vers != TLS1_3_VERSION
 950             && !ssl_print_hexbuf(bio, indent, "session_id", 1, &msg, &msglen))
 951         return 0;
 952     if (msglen < 2)
 953         return 0;
 954     cs = (msg[0] << 8) | msg[1];
 955     BIO_indent(bio, indent, 80);
 956     BIO_printf(bio, "cipher_suite {0x%02X, 0x%02X} %s\n",
 957                msg[0], msg[1], ssl_trace_str(cs, ssl_ciphers_tbl));
 958     msg += 2;
 959     msglen -= 2;
 960     if (vers != TLS1_3_VERSION) {
 961         if (msglen < 1)
 962             return 0;
 963         BIO_indent(bio, indent, 80);
 964         BIO_printf(bio, "compression_method: %s (0x%02X)\n",
 965                    ssl_trace_str(msg[0], ssl_comp_tbl), msg[0]);
 966         msg++;
 967         msglen--;
 968     }
 969     if (!ssl_print_extensions(bio, indent, 1, SSL3_MT_SERVER_HELLO, &msg,
 970                               &msglen))
 971         return 0;
 972     return 1;
 973 }
 974
 975 static int ssl_get_keyex(const char **pname, SSL *ssl)
 976 {
 977     unsigned long alg_k = ssl->s3->tmp.new_cipher->algorithm_mkey;
 978     if (alg_k & SSL_kRSA) {
 979         *pname = "rsa";
 980         return SSL_kRSA;
 981     }
 982     if (alg_k & SSL_kDHE) {
 983         *pname = "DHE";
 984         return SSL_kDHE;
 985     }
 986     if (alg_k & SSL_kECDHE) {
 987         *pname = "ECDHE";
 988         return SSL_kECDHE;
 989     }
 990     if (alg_k & SSL_kPSK) {
 991         *pname = "PSK";
 992         return SSL_kPSK;
 993     }
 994     if (alg_k & SSL_kRSAPSK) {
 995         *pname = "RSAPSK";
 996         return SSL_kRSAPSK;
 997     }
 998     if (alg_k & SSL_kDHEPSK) {
 999         *pname = "DHEPSK";
1000         return SSL_kDHEPSK;
1001     }
1002     if (alg_k & SSL_kECDHEPSK) {
1003         *pname = "ECDHEPSK";
1004         return SSL_kECDHEPSK;
1005     }
1006     if (alg_k & SSL_kSRP) {
1007         *pname = "SRP";
1008         return SSL_kSRP;
1009     }
1010     if (alg_k & SSL_kGOST) {
1011         *pname = "GOST";
1012         return SSL_kGOST;
1013     }
1014     *pname = "UNKNOWN";
1015     return 0;
1016 }
1017
1018 static int ssl_print_client_keyex(BIO *bio, int indent, SSL *ssl,
1019                                   const unsigned char *msg, size_t msglen)
1020 {
1021     const char *algname;
1022     int id;
1023     id = ssl_get_keyex(&algname, ssl);
1024     BIO_indent(bio, indent, 80);
1025     BIO_printf(bio, "KeyExchangeAlgorithm=%s\n", algname);
1026     if (id & SSL_PSK) {
1027         if (!ssl_print_hexbuf(bio, indent + 2,
1028                               "psk_identity", 2, &msg, &msglen))
1029             return 0;
1030     }
1031     switch (id) {
1032
1033     case SSL_kRSA:
1034     case SSL_kRSAPSK:
1035         if (TLS1_get_version(ssl) == SSL3_VERSION) {
1036             ssl_print_hex(bio, indent + 2,
1037                           "EncyptedPreMasterSecret", msg, msglen);
1038         } else {
1039             if (!ssl_print_hexbuf(bio, indent + 2,
1040                                   "EncyptedPreMasterSecret", 2, &msg, &msglen))
1041                 return 0;
1042         }
1043         break;
1044
1045     case SSL_kDHE:
1046     case SSL_kDHEPSK:
1047         if (!ssl_print_hexbuf(bio, indent + 2, "dh_Yc", 2, &msg, &msglen))
1048             return 0;
1049         break;
1050
1051     case SSL_kECDHE:
1052     case SSL_kECDHEPSK:
1053         if (!ssl_print_hexbuf(bio, indent + 2, "ecdh_Yc", 1, &msg, &msglen))
1054             return 0;
1055         break;
1056
1057     }
1058
1059     return !msglen;
1060 }
1061
1062 static int ssl_print_server_keyex(BIO *bio, int indent, SSL *ssl,
1063                                   const unsigned char *msg, size_t msglen)
1064 {
1065     const char *algname;
1066     int id;
1067     id = ssl_get_keyex(&algname, ssl);
1068     BIO_indent(bio, indent, 80);
1069     BIO_printf(bio, "KeyExchangeAlgorithm=%s\n", algname);
1070     if (id & SSL_PSK) {
1071         if (!ssl_print_hexbuf(bio, indent + 2,
1072                               "psk_identity_hint", 2, &msg, &msglen))
1073             return 0;
1074     }
1075     switch (id) {
1076     case SSL_kRSA:
1077
1078         if (!ssl_print_hexbuf(bio, indent + 2, "rsa_modulus", 2, &msg, &msglen))
1079             return 0;
1080         if (!ssl_print_hexbuf(bio, indent + 2, "rsa_exponent", 2,
1081                               &msg, &msglen))
1082             return 0;
1083         break;
1084
1085     case SSL_kDHE:
1086     case SSL_kDHEPSK:
1087         if (!ssl_print_hexbuf(bio, indent + 2, "dh_p", 2, &msg, &msglen))
1088             return 0;
1089         if (!ssl_print_hexbuf(bio, indent + 2, "dh_g", 2, &msg, &msglen))
1090             return 0;
1091         if (!ssl_print_hexbuf(bio, indent + 2, "dh_Ys", 2, &msg, &msglen))
1092             return 0;
1093         break;
1094
1095 # ifndef OPENSSL_NO_EC
1096     case SSL_kECDHE:
1097     case SSL_kECDHEPSK:
1098         if (msglen < 1)
1099             return 0;
1100         BIO_indent(bio, indent + 2, 80);
1101         if (msg[0] == EXPLICIT_PRIME_CURVE_TYPE)
1102             BIO_puts(bio, "explicit_prime\n");
1103         else if (msg[0] == EXPLICIT_CHAR2_CURVE_TYPE)
1104             BIO_puts(bio, "explicit_char2\n");
1105         else if (msg[0] == NAMED_CURVE_TYPE) {
1106             int curve;
1107             if (msglen < 3)
1108                 return 0;
1109             curve = (msg[1] << 8) | msg[2];
1110             BIO_printf(bio, "named_curve: %s (%d)\n",
1111                        ssl_trace_str(curve, ssl_groups_tbl), curve);
1112             msg += 3;
1113             msglen -= 3;
1114             if (!ssl_print_hexbuf(bio, indent + 2, "point", 1, &msg, &msglen))
1115                 return 0;
1116         } else {
1117             BIO_printf(bio, "UNKNOWN CURVE PARAMETER TYPE %d\n", msg[0]);
1118             return 0;
1119         }
1120         break;
1121 # endif
1122
1123     case SSL_kPSK:
1124     case SSL_kRSAPSK:
1125         break;
1126     }
1127     if (!(id & SSL_PSK))
1128         ssl_print_signature(bio, indent, ssl, &msg, &msglen);
1129     return !msglen;
1130 }
1131
1132 static int ssl_print_certificate(BIO *bio, int indent,
1133                                  const unsigned char **pmsg, size_t *pmsglen)
1134 {
1135     size_t msglen = *pmsglen;
1136     size_t clen;
1137     X509 *x;
1138     const unsigned char *p = *pmsg, *q;
1139     if (msglen < 3)
1140         return 0;
1141     clen = (p[0] << 16) | (p[1] << 8) | p[2];
1142     if (msglen < clen + 3)
1143         return 0;
1144     q = p + 3;
1145     BIO_indent(bio, indent, 80);
1146     BIO_printf(bio, "ASN.1Cert, length=%d", (int)clen);
1147     x = d2i_X509(NULL, &q, clen);
1148     if (!x)
1149         BIO_puts(bio, "<UNPARSEABLE CERTIFICATE>\n");
1150     else {
1151         BIO_puts(bio, "\n------details-----\n");
1152         X509_print_ex(bio, x, XN_FLAG_ONELINE, 0);
1153         PEM_write_bio_X509(bio, x);
1154         /* Print certificate stuff */
1155         BIO_puts(bio, "------------------\n");
1156         X509_free(x);
1157     }
1158     if (q != p + 3 + clen) {
1159         BIO_puts(bio, "<TRAILING GARBAGE AFTER CERTIFICATE>\n");
1160     }
1161     *pmsg += clen + 3;
1162     *pmsglen -= clen + 3;
1163     return 1;
1164 }
1165
1166 static int ssl_print_certificates(BIO *bio, SSL *s, int server, int indent,
1167                                   const unsigned char *msg, size_t msglen)
1168 {
1169     size_t clen;
1170
1171     if (SSL_IS_TLS13(s)
1172             && !ssl_print_hexbuf(bio, indent, "context", 1, &msg, &msglen))
1173         return 0;
1174
1175     if (msglen < 3)
1176         return 0;
1177     clen = (msg[0] << 16) | (msg[1] << 8) | msg[2];
1178     if (msglen != clen + 3)
1179         return 0;
1180     msg += 3;
1181     BIO_indent(bio, indent, 80);
1182     BIO_printf(bio, "certificate_list, length=%d\n", (int)clen);
1183     while (clen > 0) {
1184         if (!ssl_print_certificate(bio, indent + 2, &msg, &clen))
1185             return 0;
1186         if (!ssl_print_extensions(bio, indent + 2, server, SSL3_MT_CERTIFICATE,
1187                                   &msg, &clen))
1188             return 0;
1189
1190     }
1191     return 1;
1192 }
1193
1194 static int ssl_print_cert_request(BIO *bio, int indent, SSL *s,
1195                                   const unsigned char *msg, size_t msglen)
1196 {
1197     size_t xlen;
1198     unsigned int sigalg;
1199
1200     if (msglen < 1)
1201         return 0;
1202     xlen = msg[0];
1203     if (msglen < xlen + 1)
1204         return 0;
1205     msg++;
1206     BIO_indent(bio, indent, 80);
1207     BIO_printf(bio, "certificate_types (len=%d)\n", (int)xlen);
1208     if (!ssl_trace_list(bio, indent + 2, msg, xlen, 1, ssl_ctype_tbl))
1209         return 0;
1210     msg += xlen;
1211     msglen -= xlen + 1;
1212     if (!SSL_USE_SIGALGS(s))
1213         goto skip_sig;
1214     if (msglen < 2)
1215         return 0;
1216     xlen = (msg[0] << 8) | msg[1];
1217     if (msglen < xlen + 2 || (xlen & 1))
1218         return 0;
1219     msg += 2;
1220     BIO_indent(bio, indent, 80);
1221     BIO_printf(bio, "signature_algorithms (len=%d)\n", (int)xlen);
1222     while (xlen > 0) {
1223         BIO_indent(bio, indent + 2, 80);
1224         sigalg = (msg[0] << 8) | msg[1];
1225         BIO_printf(bio, "%s (0x%04x)\n",
1226                    ssl_trace_str(sigalg, ssl_sigalg_tbl), sigalg);
1227         xlen -= 2;
1228         msg += 2;
1229     }
1230     msg += xlen;
1231     msglen -= xlen + 2;
1232
1233  skip_sig:
1234     xlen = (msg[0] << 8) | msg[1];
1235     BIO_indent(bio, indent, 80);
1236     if (msglen < xlen + 2)
1237         return 0;
1238     msg += 2;
1239     msglen -= 2;
1240     BIO_printf(bio, "certificate_authorities (len=%d)\n", (int)xlen);
1241     while (xlen > 0) {
1242         size_t dlen;
1243         X509_NAME *nm;
1244         const unsigned char *p;
1245         if (xlen < 2)
1246             return 0;
1247         dlen = (msg[0] << 8) | msg[1];
1248         if (xlen < dlen + 2)
1249             return 0;
1250         msg += 2;
1251         BIO_indent(bio, indent + 2, 80);
1252         BIO_printf(bio, "DistinguishedName (len=%d): ", (int)dlen);
1253         p = msg;
1254         nm = d2i_X509_NAME(NULL, &p, dlen);
1255         if (!nm) {
1256             BIO_puts(bio, "<UNPARSEABLE DN>\n");
1257         } else {
1258             X509_NAME_print_ex(bio, nm, 0, XN_FLAG_ONELINE);
1259             BIO_puts(bio, "\n");
1260             X509_NAME_free(nm);
1261         }
1262         xlen -= dlen + 2;
1263         msg += dlen;
1264     }
1265     return 1;
1266 }
1267
1268 static int ssl_print_ticket(BIO *bio, int indent, SSL *s,
1269                             const unsigned char *msg, size_t msglen)
1270 {
1271     unsigned int tick_life;
1272     if (msglen == 0) {
1273         BIO_indent(bio, indent + 2, 80);
1274         BIO_puts(bio, "No Ticket\n");
1275         return 1;
1276     }
1277     if (msglen < 4)
1278         return 0;
1279     tick_life = (msg[0] << 24) | (msg[1] << 16) | (msg[2] << 8) | msg[3];
1280     msglen -= 4;
1281     msg += 4;
1282     BIO_indent(bio, indent + 2, 80);
1283     BIO_printf(bio, "ticket_lifetime_hint=%u\n", tick_life);
1284     if (SSL_IS_TLS13(s)) {
1285         unsigned int ticket_age_add;
1286         if (msglen < 4)
1287             return 0;
1288         ticket_age_add = (msg[0] << 24) | (msg[1] << 16) | (msg[2] << 8)
1289                           | msg[3];
1290         msglen -= 4;
1291         msg += 4;
1292         BIO_indent(bio, indent + 2, 80);
1293         BIO_printf(bio, "ticket_age_add=%u\n", ticket_age_add);
1294     }
1295     if (!ssl_print_hexbuf(bio, indent + 2, "ticket", 2, &msg, &msglen))
1296         return 0;
1297     if (SSL_IS_TLS13(s) && !ssl_print_extensions(bio, indent + 2, 0,
1298                                                  SSL3_MT_NEWSESSION_TICKET,
1299                                                  &msg, &msglen))
1300         return 0;
1301     if (msglen)
1302         return 0;
1303     return 1;
1304 }
1305
1306 static int ssl_print_handshake(BIO *bio, SSL *ssl, int server,
1307                                const unsigned char *msg, size_t msglen,
1308                                int indent)
1309 {
1310     size_t hlen;
1311     unsigned char htype;
1312     if (msglen < 4)
1313         return 0;
1314     htype = msg[0];
1315     hlen = (msg[1] << 16) | (msg[2] << 8) | msg[3];
1316     BIO_indent(bio, indent, 80);
1317     BIO_printf(bio, "%s, Length=%d\n",
1318                ssl_trace_str(htype, ssl_handshake_tbl), (int)hlen);
1319     msg += 4;
1320     msglen -= 4;
1321     if (SSL_IS_DTLS(ssl)) {
1322         if (msglen < 8)
1323             return 0;
1324         BIO_indent(bio, indent, 80);
1325         BIO_printf(bio, "message_seq=%d, fragment_offset=%d, "
1326                    "fragment_length=%d\n",
1327                    (msg[0] << 8) | msg[1],
1328                    (msg[2] << 16) | (msg[3] << 8) | msg[4],
1329                    (msg[5] << 16) | (msg[6] << 8) | msg[7]);
1330         msg += 8;
1331         msglen -= 8;
1332     }
1333     if (msglen < hlen)
1334         return 0;
1335     switch (htype) {
1336     case SSL3_MT_CLIENT_HELLO:
1337         if (!ssl_print_client_hello(bio, ssl, indent + 2, msg, msglen))
1338             return 0;
1339         break;
1340
1341     case DTLS1_MT_HELLO_VERIFY_REQUEST:
1342         if (!dtls_print_hello_vfyrequest(bio, indent + 2, msg, msglen))
1343             return 0;
1344         break;
1345
1346     case SSL3_MT_SERVER_HELLO:
1347         if (!ssl_print_server_hello(bio, indent + 2, msg, msglen))
1348             return 0;
1349         break;
1350
1351     case SSL3_MT_SERVER_KEY_EXCHANGE:
1352         if (!ssl_print_server_keyex(bio, indent + 2, ssl, msg, msglen))
1353             return 0;
1354         break;
1355
1356     case SSL3_MT_CLIENT_KEY_EXCHANGE:
1357         if (!ssl_print_client_keyex(bio, indent + 2, ssl, msg, msglen))
1358             return 0;
1359         break;
1360
1361     case SSL3_MT_CERTIFICATE:
1362         if (!ssl_print_certificates(bio, ssl, server, indent + 2, msg, msglen))
1363             return 0;
1364         break;
1365
1366     case SSL3_MT_CERTIFICATE_VERIFY:
1367         if (!ssl_print_signature(bio, indent + 2, ssl, &msg, &msglen))
1368             return 0;
1369         break;
1370
1371     case SSL3_MT_CERTIFICATE_REQUEST:
1372         if (!ssl_print_cert_request(bio, indent + 2, ssl, msg, msglen))
1373             return 0;
1374         break;
1375
1376     case SSL3_MT_FINISHED:
1377         ssl_print_hex(bio, indent + 2, "verify_data", msg, msglen);
1378         break;
1379
1380     case SSL3_MT_SERVER_DONE:
1381         if (msglen != 0)
1382             ssl_print_hex(bio, indent + 2, "unexpected value", msg, msglen);
1383         break;
1384
1385     case SSL3_MT_NEWSESSION_TICKET:
1386         if (!ssl_print_ticket(bio, indent + 2, ssl, msg, msglen))
1387             return 0;
1388         break;
1389
1390     case SSL3_MT_HELLO_RETRY_REQUEST:
1391         if (!ssl_print_version(bio, indent + 2, "server_version", &msg, &msglen,
1392                                NULL)
1393                 || !ssl_print_extensions(bio, indent + 2, 1,
1394                                          SSL3_MT_HELLO_RETRY_REQUEST, &msg,
1395                                          &msglen))
1396             return 0;
1397         break;
1398
1399     case SSL3_MT_ENCRYPTED_EXTENSIONS:
1400         if (!ssl_print_extensions(bio, indent + 2, 1,
1401                                   SSL3_MT_ENCRYPTED_EXTENSIONS, &msg, &msglen))
1402             return 0;
1403         break;
1404
1405     case SSL3_MT_KEY_UPDATE:
1406         if (msglen != 1) {
1407             ssl_print_hex(bio, indent + 2, "unexpected value", msg, msglen);
1408             return 0;
1409         }
1410         if (!ssl_trace_list(bio, indent + 2, msg, msglen, 1,
1411                             ssl_key_update_tbl))
1412             return 0;
1413         break;
1414
1415     default:
1416         BIO_indent(bio, indent + 2, 80);
1417         BIO_puts(bio, "Unsupported, hex dump follows:\n");
1418         BIO_dump_indent(bio, (const char *)msg, msglen, indent + 4);
1419     }
1420     return 1;
1421 }
1422
1423 const char *SSL_CIPHER_standard_name(const SSL_CIPHER *c)
1424 {
1425     return ssl_trace_str(c->id & 0xFFFF, ssl_ciphers_tbl);
1426 }
1427
1428 void SSL_trace(int write_p, int version, int content_type,
1429                const void *buf, size_t msglen, SSL *ssl, void *arg)
1430 {
1431     const unsigned char *msg = buf;
1432     BIO *bio = arg;
1433
1434     if (write_p == 2) {
1435         BIO_puts(bio, "Session ");
1436         ssl_print_hex(bio, 0,
1437                       ssl_trace_str(content_type, ssl_crypto_tbl), msg, msglen);
1438         return;
1439     }
1440     switch (content_type) {
1441     case SSL3_RT_HEADER:
1442         {
1443             int hvers = msg[1] << 8 | msg[2];
1444             BIO_puts(bio, write_p ? "Sent" : "Received");
1445             BIO_printf(bio, " Record\nHeader:\n  Version = %s (0x%x)\n",
1446                        ssl_trace_str(hvers, ssl_version_tbl), hvers);
1447             if (SSL_IS_DTLS(ssl)) {
1448                 BIO_printf(bio,
1449                            "  epoch=%d, sequence_number=%04x%04x%04x\n",
1450                            (msg[3] << 8 | msg[4]),
1451                            (msg[5] << 8 | msg[6]),
1452                            (msg[7] << 8 | msg[8]), (msg[9] << 8 | msg[10]));
1453             }
1454
1455             BIO_printf(bio, "  Content Type = %s (%d)\n  Length = %d",
1456                        ssl_trace_str(msg[0], ssl_content_tbl), msg[0],
1457                        msg[msglen - 2] << 8 | msg[msglen - 1]);
1458         }
1459         break;
1460     case SSL3_RT_HANDSHAKE:
1461         if (!ssl_print_handshake(bio, ssl, ssl->server ? write_p : !write_p,
1462                                  msg, msglen, 4))
1463             BIO_printf(bio, "Message length parse error!\n");
1464         break;
1465
1466     case SSL3_RT_CHANGE_CIPHER_SPEC:
1467         if (msglen == 1 && msg[0] == 1)
1468             BIO_puts(bio, "    change_cipher_spec (1)\n");
1469         else
1470             ssl_print_hex(bio, 4, "unknown value", msg, msglen);
1471         break;
1472
1473     case SSL3_RT_ALERT:
1474         if (msglen != 2)
1475             BIO_puts(bio, "    Illegal Alert Length\n");
1476         else {
1477             BIO_printf(bio, "    Level=%s(%d), description=%s(%d)\n",
1478                        SSL_alert_type_string_long(msg[0] << 8),
1479                        msg[0], SSL_alert_desc_string_long(msg[1]), msg[1]);
1480         }
1481
1482     }
1483
1484     BIO_puts(bio, "\n");
1485 }
1486
1487 #endif