ssl/t1_trce.c

   1 /*
   2  * Copyright 2012-2017 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
  32     for (i = 0; i < ntbl; i++, tbl++) {
  33         if (tbl->num == val)
  34             return tbl->name;
  35     }
  36     return "UNKNOWN";
  37 }
  38
  39 static int do_ssl_trace_list(BIO *bio, int indent,
  40                              const unsigned char *msg, size_t msglen,
  41                              size_t vlen, ssl_trace_tbl *tbl, size_t ntbl)
  42 {
  43     int val;
  44
  45     if (msglen % vlen)
  46         return 0;
  47     while (msglen) {
  48         val = msg[0];
  49         if (vlen == 2)
  50             val = (val << 8) | msg[1];
  51         BIO_indent(bio, indent, 80);
  52         BIO_printf(bio, "%s (%d)\n", do_ssl_trace_str(val, tbl, ntbl), val);
  53         msg += vlen;
  54         msglen -= vlen;
  55     }
  56     return 1;
  57 }
  58
  59 /* Version number */
  60
  61 static ssl_trace_tbl ssl_version_tbl[] = {
  62     {SSL3_VERSION, "SSL 3.0"},
  63     {TLS1_VERSION, "TLS 1.0"},
  64     {TLS1_1_VERSION, "TLS 1.1"},
  65     {TLS1_2_VERSION, "TLS 1.2"},
  66     {TLS1_3_VERSION, "TLS 1.3"},
  67     /* TODO(TLS1.3): Remove this line before release */
  68     {TLS1_3_VERSION_DRAFT, TLS1_3_VERSION_DRAFT_TXT},
  69     {DTLS1_VERSION, "DTLS 1.0"},
  70     {DTLS1_2_VERSION, "DTLS 1.2"},
  71     {DTLS1_BAD_VER, "DTLS 1.0 (bad)"}
  72 };
  73
  74 static ssl_trace_tbl ssl_content_tbl[] = {
  75     {SSL3_RT_CHANGE_CIPHER_SPEC, "ChangeCipherSpec"},
  76     {SSL3_RT_ALERT, "Alert"},
  77     {SSL3_RT_HANDSHAKE, "Handshake"},
  78     {SSL3_RT_APPLICATION_DATA, "ApplicationData"},
  79 };
  80
  81 /* Handshake types */
  82 static ssl_trace_tbl ssl_handshake_tbl[] = {
  83     {SSL3_MT_HELLO_REQUEST, "HelloRequest"},
  84     {SSL3_MT_CLIENT_HELLO, "ClientHello"},
  85     {SSL3_MT_SERVER_HELLO, "ServerHello"},
  86     {DTLS1_MT_HELLO_VERIFY_REQUEST, "HelloVerifyRequest"},
  87     {SSL3_MT_NEWSESSION_TICKET, "NewSessionTicket"},
  88     {SSL3_MT_END_OF_EARLY_DATA, "EndOfEarlyData"},
  89     {SSL3_MT_HELLO_RETRY_REQUEST, "HelloRetryRequest"},
  90     {SSL3_MT_ENCRYPTED_EXTENSIONS, "EncryptedExtensions"},
  91     {SSL3_MT_CERTIFICATE, "Certificate"},
  92     {SSL3_MT_SERVER_KEY_EXCHANGE, "ServerKeyExchange"},
  93     {SSL3_MT_CERTIFICATE_REQUEST, "CertificateRequest"},
  94     {SSL3_MT_SERVER_DONE, "ServerHelloDone"},
  95     {SSL3_MT_CERTIFICATE_VERIFY, "CertificateVerify"},
  96     {SSL3_MT_CLIENT_KEY_EXCHANGE, "ClientKeyExchange"},
  97     {SSL3_MT_CERTIFICATE_STATUS, "CertificateStatus"},
  98     {SSL3_MT_CLIENT_KEY_EXCHANGE, "ClientKeyExchange"},
  99     {SSL3_MT_FINISHED, "Finished"},
 100     {SSL3_MT_CERTIFICATE_STATUS, "CertificateStatus"},
 101     {SSL3_MT_KEY_UPDATE, "KeyUpdate"},
 102 # ifndef OPENSSL_NO_NEXTPROTONEG
 103     {SSL3_MT_NEXT_PROTO, "NextProto"},
 104 # endif
 105     {SSL3_MT_MESSAGE_HASH, "MessageHash"}
 106 };
 107
 108 /* Cipher suites */
 109 static ssl_trace_tbl ssl_ciphers_tbl[] = {
 110     {0x0000, "SSL_NULL_WITH_NULL_NULL"},
 111     {0x0001, "SSL_RSA_WITH_NULL_MD5"},
 112     {0x0002, "SSL_RSA_WITH_NULL_SHA"},
 113     {0x0003, "SSL_RSA_EXPORT_WITH_RC4_40_MD5"},
 114     {0x0004, "SSL_RSA_WITH_RC4_128_MD5"},
 115     {0x0005, "SSL_RSA_WITH_RC4_128_SHA"},
 116     {0x0006, "SSL_RSA_EXPORT_WITH_RC2_CBC_40_MD5"},
 117     {0x0007, "SSL_RSA_WITH_IDEA_CBC_SHA"},
 118     {0x0008, "SSL_RSA_EXPORT_WITH_DES40_CBC_SHA"},
 119     {0x0009, "SSL_RSA_WITH_DES_CBC_SHA"},
 120     {0x000A, "SSL_RSA_WITH_3DES_EDE_CBC_SHA"},
 121     {0x000B, "SSL_DH_DSS_EXPORT_WITH_DES40_CBC_SHA"},
 122     {0x000C, "SSL_DH_DSS_WITH_DES_CBC_SHA"},
 123     {0x000D, "SSL_DH_DSS_WITH_3DES_EDE_CBC_SHA"},
 124     {0x000E, "SSL_DH_RSA_EXPORT_WITH_DES40_CBC_SHA"},
 125     {0x000F, "SSL_DH_RSA_WITH_DES_CBC_SHA"},
 126     {0x0010, "SSL_DH_RSA_WITH_3DES_EDE_CBC_SHA"},
 127     {0x0011, "SSL_DHE_DSS_EXPORT_WITH_DES40_CBC_SHA"},
 128     {0x0012, "SSL_DHE_DSS_WITH_DES_CBC_SHA"},
 129     {0x0013, "SSL_DHE_DSS_WITH_3DES_EDE_CBC_SHA"},
 130     {0x0014, "SSL_DHE_RSA_EXPORT_WITH_DES40_CBC_SHA"},
 131     {0x0015, "SSL_DHE_RSA_WITH_DES_CBC_SHA"},
 132     {0x0016, "SSL_DHE_RSA_WITH_3DES_EDE_CBC_SHA"},
 133     {0x0017, "SSL_DH_anon_EXPORT_WITH_RC4_40_MD5"},
 134     {0x0018, "SSL_DH_anon_WITH_RC4_128_MD5"},
 135     {0x0019, "SSL_DH_anon_EXPORT_WITH_DES40_CBC_SHA"},
 136     {0x001A, "SSL_DH_anon_WITH_DES_CBC_SHA"},
 137     {0x001B, "SSL_DH_anon_WITH_3DES_EDE_CBC_SHA"},
 138     {0x001D, "SSL_FORTEZZA_KEA_WITH_FORTEZZA_CBC_SHA"},
 139     {0x001E, "SSL_FORTEZZA_KEA_WITH_RC4_128_SHA"},
 140     {0x001F, "TLS_KRB5_WITH_3DES_EDE_CBC_SHA"},
 141     {0x0020, "TLS_KRB5_WITH_RC4_128_SHA"},
 142     {0x0021, "TLS_KRB5_WITH_IDEA_CBC_SHA"},
 143     {0x0022, "TLS_KRB5_WITH_DES_CBC_MD5"},
 144     {0x0023, "TLS_KRB5_WITH_3DES_EDE_CBC_MD5"},
 145     {0x0024, "TLS_KRB5_WITH_RC4_128_MD5"},
 146     {0x0025, "TLS_KRB5_WITH_IDEA_CBC_MD5"},
 147     {0x0026, "TLS_KRB5_EXPORT_WITH_DES_CBC_40_SHA"},
 148     {0x0027, "TLS_KRB5_EXPORT_WITH_RC2_CBC_40_SHA"},
 149     {0x0028, "TLS_KRB5_EXPORT_WITH_RC4_40_SHA"},
 150     {0x0029, "TLS_KRB5_EXPORT_WITH_DES_CBC_40_MD5"},
 151     {0x002A, "TLS_KRB5_EXPORT_WITH_RC2_CBC_40_MD5"},
 152     {0x002B, "TLS_KRB5_EXPORT_WITH_RC4_40_MD5"},
 153     {0x002C, "TLS_PSK_WITH_NULL_SHA"},
 154     {0x002D, "TLS_DHE_PSK_WITH_NULL_SHA"},
 155     {0x002E, "TLS_RSA_PSK_WITH_NULL_SHA"},
 156     {0x002F, "TLS_RSA_WITH_AES_128_CBC_SHA"},
 157     {0x0030, "TLS_DH_DSS_WITH_AES_128_CBC_SHA"},
 158     {0x0031, "TLS_DH_RSA_WITH_AES_128_CBC_SHA"},
 159     {0x0032, "TLS_DHE_DSS_WITH_AES_128_CBC_SHA"},
 160     {0x0033, "TLS_DHE_RSA_WITH_AES_128_CBC_SHA"},
 161     {0x0034, "TLS_DH_anon_WITH_AES_128_CBC_SHA"},
 162     {0x0035, "TLS_RSA_WITH_AES_256_CBC_SHA"},
 163     {0x0036, "TLS_DH_DSS_WITH_AES_256_CBC_SHA"},
 164     {0x0037, "TLS_DH_RSA_WITH_AES_256_CBC_SHA"},
 165     {0x0038, "TLS_DHE_DSS_WITH_AES_256_CBC_SHA"},
 166     {0x0039, "TLS_DHE_RSA_WITH_AES_256_CBC_SHA"},
 167     {0x003A, "TLS_DH_anon_WITH_AES_256_CBC_SHA"},
 168     {0x003B, "TLS_RSA_WITH_NULL_SHA256"},
 169     {0x003C, "TLS_RSA_WITH_AES_128_CBC_SHA256"},
 170     {0x003D, "TLS_RSA_WITH_AES_256_CBC_SHA256"},
 171     {0x003E, "TLS_DH_DSS_WITH_AES_128_CBC_SHA256"},
 172     {0x003F, "TLS_DH_RSA_WITH_AES_128_CBC_SHA256"},
 173     {0x0040, "TLS_DHE_DSS_WITH_AES_128_CBC_SHA256"},
 174     {0x0041, "TLS_RSA_WITH_CAMELLIA_128_CBC_SHA"},
 175     {0x0042, "TLS_DH_DSS_WITH_CAMELLIA_128_CBC_SHA"},
 176     {0x0043, "TLS_DH_RSA_WITH_CAMELLIA_128_CBC_SHA"},
 177     {0x0044, "TLS_DHE_DSS_WITH_CAMELLIA_128_CBC_SHA"},
 178     {0x0045, "TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA"},
 179     {0x0046, "TLS_DH_anon_WITH_CAMELLIA_128_CBC_SHA"},
 180     {0x0067, "TLS_DHE_RSA_WITH_AES_128_CBC_SHA256"},
 181     {0x0068, "TLS_DH_DSS_WITH_AES_256_CBC_SHA256"},
 182     {0x0069, "TLS_DH_RSA_WITH_AES_256_CBC_SHA256"},
 183     {0x006A, "TLS_DHE_DSS_WITH_AES_256_CBC_SHA256"},
 184     {0x006B, "TLS_DHE_RSA_WITH_AES_256_CBC_SHA256"},
 185     {0x006C, "TLS_DH_anon_WITH_AES_128_CBC_SHA256"},
 186     {0x006D, "TLS_DH_anon_WITH_AES_256_CBC_SHA256"},
 187     {0x0084, "TLS_RSA_WITH_CAMELLIA_256_CBC_SHA"},
 188     {0x0085, "TLS_DH_DSS_WITH_CAMELLIA_256_CBC_SHA"},
 189     {0x0086, "TLS_DH_RSA_WITH_CAMELLIA_256_CBC_SHA"},
 190     {0x0087, "TLS_DHE_DSS_WITH_CAMELLIA_256_CBC_SHA"},
 191     {0x0088, "TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA"},
 192     {0x0089, "TLS_DH_anon_WITH_CAMELLIA_256_CBC_SHA"},
 193     {0x008A, "TLS_PSK_WITH_RC4_128_SHA"},
 194     {0x008B, "TLS_PSK_WITH_3DES_EDE_CBC_SHA"},
 195     {0x008C, "TLS_PSK_WITH_AES_128_CBC_SHA"},
 196     {0x008D, "TLS_PSK_WITH_AES_256_CBC_SHA"},
 197     {0x008E, "TLS_DHE_PSK_WITH_RC4_128_SHA"},
 198     {0x008F, "TLS_DHE_PSK_WITH_3DES_EDE_CBC_SHA"},
 199     {0x0090, "TLS_DHE_PSK_WITH_AES_128_CBC_SHA"},
 200     {0x0091, "TLS_DHE_PSK_WITH_AES_256_CBC_SHA"},
 201     {0x0092, "TLS_RSA_PSK_WITH_RC4_128_SHA"},
 202     {0x0093, "TLS_RSA_PSK_WITH_3DES_EDE_CBC_SHA"},
 203     {0x0094, "TLS_RSA_PSK_WITH_AES_128_CBC_SHA"},
 204     {0x0095, "TLS_RSA_PSK_WITH_AES_256_CBC_SHA"},
 205     {0x0096, "TLS_RSA_WITH_SEED_CBC_SHA"},
 206     {0x0097, "TLS_DH_DSS_WITH_SEED_CBC_SHA"},
 207     {0x0098, "TLS_DH_RSA_WITH_SEED_CBC_SHA"},
 208     {0x0099, "TLS_DHE_DSS_WITH_SEED_CBC_SHA"},
 209     {0x009A, "TLS_DHE_RSA_WITH_SEED_CBC_SHA"},
 210     {0x009B, "TLS_DH_anon_WITH_SEED_CBC_SHA"},
 211     {0x009C, "TLS_RSA_WITH_AES_128_GCM_SHA256"},
 212     {0x009D, "TLS_RSA_WITH_AES_256_GCM_SHA384"},
 213     {0x009E, "TLS_DHE_RSA_WITH_AES_128_GCM_SHA256"},
 214     {0x009F, "TLS_DHE_RSA_WITH_AES_256_GCM_SHA384"},
 215     {0x00A0, "TLS_DH_RSA_WITH_AES_128_GCM_SHA256"},
 216     {0x00A1, "TLS_DH_RSA_WITH_AES_256_GCM_SHA384"},
 217     {0x00A2, "TLS_DHE_DSS_WITH_AES_128_GCM_SHA256"},
 218     {0x00A3, "TLS_DHE_DSS_WITH_AES_256_GCM_SHA384"},
 219     {0x00A4, "TLS_DH_DSS_WITH_AES_128_GCM_SHA256"},
 220     {0x00A5, "TLS_DH_DSS_WITH_AES_256_GCM_SHA384"},
 221     {0x00A6, "TLS_DH_anon_WITH_AES_128_GCM_SHA256"},
 222     {0x00A7, "TLS_DH_anon_WITH_AES_256_GCM_SHA384"},
 223     {0x00A8, "TLS_PSK_WITH_AES_128_GCM_SHA256"},
 224     {0x00A9, "TLS_PSK_WITH_AES_256_GCM_SHA384"},
 225     {0x00AA, "TLS_DHE_PSK_WITH_AES_128_GCM_SHA256"},
 226     {0x00AB, "TLS_DHE_PSK_WITH_AES_256_GCM_SHA384"},
 227     {0x00AC, "TLS_RSA_PSK_WITH_AES_128_GCM_SHA256"},
 228     {0x00AD, "TLS_RSA_PSK_WITH_AES_256_GCM_SHA384"},
 229     {0x00AE, "TLS_PSK_WITH_AES_128_CBC_SHA256"},
 230     {0x00AF, "TLS_PSK_WITH_AES_256_CBC_SHA384"},
 231     {0x00B0, "TLS_PSK_WITH_NULL_SHA256"},
 232     {0x00B1, "TLS_PSK_WITH_NULL_SHA384"},
 233     {0x00B2, "TLS_DHE_PSK_WITH_AES_128_CBC_SHA256"},
 234     {0x00B3, "TLS_DHE_PSK_WITH_AES_256_CBC_SHA384"},
 235     {0x00B4, "TLS_DHE_PSK_WITH_NULL_SHA256"},
 236     {0x00B5, "TLS_DHE_PSK_WITH_NULL_SHA384"},
 237     {0x00B6, "TLS_RSA_PSK_WITH_AES_128_CBC_SHA256"},
 238     {0x00B7, "TLS_RSA_PSK_WITH_AES_256_CBC_SHA384"},
 239     {0x00B8, "TLS_RSA_PSK_WITH_NULL_SHA256"},
 240     {0x00B9, "TLS_RSA_PSK_WITH_NULL_SHA384"},
 241     {0x00BA, "TLS_RSA_WITH_CAMELLIA_128_CBC_SHA256"},
 242     {0x00BB, "TLS_DH_DSS_WITH_CAMELLIA_128_CBC_SHA256"},
 243     {0x00BC, "TLS_DH_RSA_WITH_CAMELLIA_128_CBC_SHA256"},
 244     {0x00BD, "TLS_DHE_DSS_WITH_CAMELLIA_128_CBC_SHA256"},
 245     {0x00BE, "TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA256"},
 246     {0x00BF, "TLS_DH_anon_WITH_CAMELLIA_128_CBC_SHA256"},
 247     {0x00C0, "TLS_RSA_WITH_CAMELLIA_256_CBC_SHA256"},
 248     {0x00C1, "TLS_DH_DSS_WITH_CAMELLIA_256_CBC_SHA256"},
 249     {0x00C2, "TLS_DH_RSA_WITH_CAMELLIA_256_CBC_SHA256"},
 250     {0x00C3, "TLS_DHE_DSS_WITH_CAMELLIA_256_CBC_SHA256"},
 251     {0x00C4, "TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA256"},
 252     {0x00C5, "TLS_DH_anon_WITH_CAMELLIA_256_CBC_SHA256"},
 253     {0x00FF, "TLS_EMPTY_RENEGOTIATION_INFO_SCSV"},
 254     {0x5600, "TLS_FALLBACK_SCSV"},
 255     {0xC001, "TLS_ECDH_ECDSA_WITH_NULL_SHA"},
 256     {0xC002, "TLS_ECDH_ECDSA_WITH_RC4_128_SHA"},
 257     {0xC003, "TLS_ECDH_ECDSA_WITH_3DES_EDE_CBC_SHA"},
 258     {0xC004, "TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA"},
 259     {0xC005, "TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA"},
 260     {0xC006, "TLS_ECDHE_ECDSA_WITH_NULL_SHA"},
 261     {0xC007, "TLS_ECDHE_ECDSA_WITH_RC4_128_SHA"},
 262     {0xC008, "TLS_ECDHE_ECDSA_WITH_3DES_EDE_CBC_SHA"},
 263     {0xC009, "TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA"},
 264     {0xC00A, "TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA"},
 265     {0xC00B, "TLS_ECDH_RSA_WITH_NULL_SHA"},
 266     {0xC00C, "TLS_ECDH_RSA_WITH_RC4_128_SHA"},
 267     {0xC00D, "TLS_ECDH_RSA_WITH_3DES_EDE_CBC_SHA"},
 268     {0xC00E, "TLS_ECDH_RSA_WITH_AES_128_CBC_SHA"},
 269     {0xC00F, "TLS_ECDH_RSA_WITH_AES_256_CBC_SHA"},
 270     {0xC010, "TLS_ECDHE_RSA_WITH_NULL_SHA"},
 271     {0xC011, "TLS_ECDHE_RSA_WITH_RC4_128_SHA"},
 272     {0xC012, "TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA"},
 273     {0xC013, "TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA"},
 274     {0xC014, "TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA"},
 275     {0xC015, "TLS_ECDH_anon_WITH_NULL_SHA"},
 276     {0xC016, "TLS_ECDH_anon_WITH_RC4_128_SHA"},
 277     {0xC017, "TLS_ECDH_anon_WITH_3DES_EDE_CBC_SHA"},
 278     {0xC018, "TLS_ECDH_anon_WITH_AES_128_CBC_SHA"},
 279     {0xC019, "TLS_ECDH_anon_WITH_AES_256_CBC_SHA"},
 280     {0xC01A, "TLS_SRP_SHA_WITH_3DES_EDE_CBC_SHA"},
 281     {0xC01B, "TLS_SRP_SHA_RSA_WITH_3DES_EDE_CBC_SHA"},
 282     {0xC01C, "TLS_SRP_SHA_DSS_WITH_3DES_EDE_CBC_SHA"},
 283     {0xC01D, "TLS_SRP_SHA_WITH_AES_128_CBC_SHA"},
 284     {0xC01E, "TLS_SRP_SHA_RSA_WITH_AES_128_CBC_SHA"},
 285     {0xC01F, "TLS_SRP_SHA_DSS_WITH_AES_128_CBC_SHA"},
 286     {0xC020, "TLS_SRP_SHA_WITH_AES_256_CBC_SHA"},
 287     {0xC021, "TLS_SRP_SHA_RSA_WITH_AES_256_CBC_SHA"},
 288     {0xC022, "TLS_SRP_SHA_DSS_WITH_AES_256_CBC_SHA"},
 289     {0xC023, "TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256"},
 290     {0xC024, "TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384"},
 291     {0xC025, "TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA256"},
 292     {0xC026, "TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA384"},
 293     {0xC027, "TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256"},
 294     {0xC028, "TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384"},
 295     {0xC029, "TLS_ECDH_RSA_WITH_AES_128_CBC_SHA256"},
 296     {0xC02A, "TLS_ECDH_RSA_WITH_AES_256_CBC_SHA384"},
 297     {0xC02B, "TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256"},
 298     {0xC02C, "TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384"},
 299     {0xC02D, "TLS_ECDH_ECDSA_WITH_AES_128_GCM_SHA256"},
 300     {0xC02E, "TLS_ECDH_ECDSA_WITH_AES_256_GCM_SHA384"},
 301     {0xC02F, "TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256"},
 302     {0xC030, "TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384"},
 303     {0xC031, "TLS_ECDH_RSA_WITH_AES_128_GCM_SHA256"},
 304     {0xC032, "TLS_ECDH_RSA_WITH_AES_256_GCM_SHA384"},
 305     {0xC033, "TLS_ECDHE_PSK_WITH_RC4_128_SHA"},
 306     {0xC034, "TLS_ECDHE_PSK_WITH_3DES_EDE_CBC_SHA"},
 307     {0xC035, "TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA"},
 308     {0xC036, "TLS_ECDHE_PSK_WITH_AES_256_CBC_SHA"},
 309     {0xC037, "TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA256"},
 310     {0xC038, "TLS_ECDHE_PSK_WITH_AES_256_CBC_SHA384"},
 311     {0xC039, "TLS_ECDHE_PSK_WITH_NULL_SHA"},
 312     {0xC03A, "TLS_ECDHE_PSK_WITH_NULL_SHA256"},
 313     {0xC03B, "TLS_ECDHE_PSK_WITH_NULL_SHA384"},
 314     {0xC03C, "TLS_RSA_WITH_ARIA_128_CBC_SHA256"},
 315     {0xC03D, "TLS_RSA_WITH_ARIA_256_CBC_SHA384"},
 316     {0xC03E, "TLS_DH_DSS_WITH_ARIA_128_CBC_SHA256"},
 317     {0xC03F, "TLS_DH_DSS_WITH_ARIA_256_CBC_SHA384"},
 318     {0xC040, "TLS_DH_RSA_WITH_ARIA_128_CBC_SHA256"},
 319     {0xC041, "TLS_DH_RSA_WITH_ARIA_256_CBC_SHA384"},
 320     {0xC042, "TLS_DHE_DSS_WITH_ARIA_128_CBC_SHA256"},
 321     {0xC043, "TLS_DHE_DSS_WITH_ARIA_256_CBC_SHA384"},
 322     {0xC044, "TLS_DHE_RSA_WITH_ARIA_128_CBC_SHA256"},
 323     {0xC045, "TLS_DHE_RSA_WITH_ARIA_256_CBC_SHA384"},
 324     {0xC046, "TLS_DH_anon_WITH_ARIA_128_CBC_SHA256"},
 325     {0xC047, "TLS_DH_anon_WITH_ARIA_256_CBC_SHA384"},
 326     {0xC048, "TLS_ECDHE_ECDSA_WITH_ARIA_128_CBC_SHA256"},
 327     {0xC049, "TLS_ECDHE_ECDSA_WITH_ARIA_256_CBC_SHA384"},
 328     {0xC04A, "TLS_ECDH_ECDSA_WITH_ARIA_128_CBC_SHA256"},
 329     {0xC04B, "TLS_ECDH_ECDSA_WITH_ARIA_256_CBC_SHA384"},
 330     {0xC04C, "TLS_ECDHE_RSA_WITH_ARIA_128_CBC_SHA256"},
 331     {0xC04D, "TLS_ECDHE_RSA_WITH_ARIA_256_CBC_SHA384"},
 332     {0xC04E, "TLS_ECDH_RSA_WITH_ARIA_128_CBC_SHA256"},
 333     {0xC04F, "TLS_ECDH_RSA_WITH_ARIA_256_CBC_SHA384"},
 334     {0xC050, "TLS_RSA_WITH_ARIA_128_GCM_SHA256"},
 335     {0xC051, "TLS_RSA_WITH_ARIA_256_GCM_SHA384"},
 336     {0xC052, "TLS_DHE_RSA_WITH_ARIA_128_GCM_SHA256"},
 337     {0xC053, "TLS_DHE_RSA_WITH_ARIA_256_GCM_SHA384"},
 338     {0xC054, "TLS_DH_RSA_WITH_ARIA_128_GCM_SHA256"},
 339     {0xC055, "TLS_DH_RSA_WITH_ARIA_256_GCM_SHA384"},
 340     {0xC056, "TLS_DHE_DSS_WITH_ARIA_128_GCM_SHA256"},
 341     {0xC057, "TLS_DHE_DSS_WITH_ARIA_256_GCM_SHA384"},
 342     {0xC058, "TLS_DH_DSS_WITH_ARIA_128_GCM_SHA256"},
 343     {0xC059, "TLS_DH_DSS_WITH_ARIA_256_GCM_SHA384"},
 344     {0xC05A, "TLS_DH_anon_WITH_ARIA_128_GCM_SHA256"},
 345     {0xC05B, "TLS_DH_anon_WITH_ARIA_256_GCM_SHA384"},
 346     {0xC05C, "TLS_ECDHE_ECDSA_WITH_ARIA_128_GCM_SHA256"},
 347     {0xC05D, "TLS_ECDHE_ECDSA_WITH_ARIA_256_GCM_SHA384"},
 348     {0xC05E, "TLS_ECDH_ECDSA_WITH_ARIA_128_GCM_SHA256"},
 349     {0xC05F, "TLS_ECDH_ECDSA_WITH_ARIA_256_GCM_SHA384"},
 350     {0xC060, "TLS_ECDHE_RSA_WITH_ARIA_128_GCM_SHA256"},
 351     {0xC061, "TLS_ECDHE_RSA_WITH_ARIA_256_GCM_SHA384"},
 352     {0xC062, "TLS_ECDH_RSA_WITH_ARIA_128_GCM_SHA256"},
 353     {0xC063, "TLS_ECDH_RSA_WITH_ARIA_256_GCM_SHA384"},
 354     {0xC064, "TLS_PSK_WITH_ARIA_128_CBC_SHA256"},
 355     {0xC065, "TLS_PSK_WITH_ARIA_256_CBC_SHA384"},
 356     {0xC066, "TLS_DHE_PSK_WITH_ARIA_128_CBC_SHA256"},
 357     {0xC067, "TLS_DHE_PSK_WITH_ARIA_256_CBC_SHA384"},
 358     {0xC068, "TLS_RSA_PSK_WITH_ARIA_128_CBC_SHA256"},
 359     {0xC069, "TLS_RSA_PSK_WITH_ARIA_256_CBC_SHA384"},
 360     {0xC06A, "TLS_PSK_WITH_ARIA_128_GCM_SHA256"},
 361     {0xC06B, "TLS_PSK_WITH_ARIA_256_GCM_SHA384"},
 362     {0xC06C, "TLS_DHE_PSK_WITH_ARIA_128_GCM_SHA256"},
 363     {0xC06D, "TLS_DHE_PSK_WITH_ARIA_256_GCM_SHA384"},
 364     {0xC06E, "TLS_RSA_PSK_WITH_ARIA_128_GCM_SHA256"},
 365     {0xC06F, "TLS_RSA_PSK_WITH_ARIA_256_GCM_SHA384"},
 366     {0xC070, "TLS_ECDHE_PSK_WITH_ARIA_128_CBC_SHA256"},
 367     {0xC071, "TLS_ECDHE_PSK_WITH_ARIA_256_CBC_SHA384"},
 368     {0xC072, "TLS_ECDHE_ECDSA_WITH_CAMELLIA_128_CBC_SHA256"},
 369     {0xC073, "TLS_ECDHE_ECDSA_WITH_CAMELLIA_256_CBC_SHA384"},
 370     {0xC074, "TLS_ECDH_ECDSA_WITH_CAMELLIA_128_CBC_SHA256"},
 371     {0xC075, "TLS_ECDH_ECDSA_WITH_CAMELLIA_256_CBC_SHA384"},
 372     {0xC076, "TLS_ECDHE_RSA_WITH_CAMELLIA_128_CBC_SHA256"},
 373     {0xC077, "TLS_ECDHE_RSA_WITH_CAMELLIA_256_CBC_SHA384"},
 374     {0xC078, "TLS_ECDH_RSA_WITH_CAMELLIA_128_CBC_SHA256"},
 375     {0xC079, "TLS_ECDH_RSA_WITH_CAMELLIA_256_CBC_SHA384"},
 376     {0xC07A, "TLS_RSA_WITH_CAMELLIA_128_GCM_SHA256"},
 377     {0xC07B, "TLS_RSA_WITH_CAMELLIA_256_GCM_SHA384"},
 378     {0xC07C, "TLS_DHE_RSA_WITH_CAMELLIA_128_GCM_SHA256"},
 379     {0xC07D, "TLS_DHE_RSA_WITH_CAMELLIA_256_GCM_SHA384"},
 380     {0xC07E, "TLS_DH_RSA_WITH_CAMELLIA_128_GCM_SHA256"},
 381     {0xC07F, "TLS_DH_RSA_WITH_CAMELLIA_256_GCM_SHA384"},
 382     {0xC080, "TLS_DHE_DSS_WITH_CAMELLIA_128_GCM_SHA256"},
 383     {0xC081, "TLS_DHE_DSS_WITH_CAMELLIA_256_GCM_SHA384"},
 384     {0xC082, "TLS_DH_DSS_WITH_CAMELLIA_128_GCM_SHA256"},
 385     {0xC083, "TLS_DH_DSS_WITH_CAMELLIA_256_GCM_SHA384"},
 386     {0xC084, "TLS_DH_anon_WITH_CAMELLIA_128_GCM_SHA256"},
 387     {0xC085, "TLS_DH_anon_WITH_CAMELLIA_256_GCM_SHA384"},
 388     {0xC086, "TLS_ECDHE_ECDSA_WITH_CAMELLIA_128_GCM_SHA256"},
 389     {0xC087, "TLS_ECDHE_ECDSA_WITH_CAMELLIA_256_GCM_SHA384"},
 390     {0xC088, "TLS_ECDH_ECDSA_WITH_CAMELLIA_128_GCM_SHA256"},
 391     {0xC089, "TLS_ECDH_ECDSA_WITH_CAMELLIA_256_GCM_SHA384"},
 392     {0xC08A, "TLS_ECDHE_RSA_WITH_CAMELLIA_128_GCM_SHA256"},
 393     {0xC08B, "TLS_ECDHE_RSA_WITH_CAMELLIA_256_GCM_SHA384"},
 394     {0xC08C, "TLS_ECDH_RSA_WITH_CAMELLIA_128_GCM_SHA256"},
 395     {0xC08D, "TLS_ECDH_RSA_WITH_CAMELLIA_256_GCM_SHA384"},
 396     {0xC08E, "TLS_PSK_WITH_CAMELLIA_128_GCM_SHA256"},
 397     {0xC08F, "TLS_PSK_WITH_CAMELLIA_256_GCM_SHA384"},
 398     {0xC090, "TLS_DHE_PSK_WITH_CAMELLIA_128_GCM_SHA256"},
 399     {0xC091, "TLS_DHE_PSK_WITH_CAMELLIA_256_GCM_SHA384"},
 400     {0xC092, "TLS_RSA_PSK_WITH_CAMELLIA_128_GCM_SHA256"},
 401     {0xC093, "TLS_RSA_PSK_WITH_CAMELLIA_256_GCM_SHA384"},
 402     {0xC094, "TLS_PSK_WITH_CAMELLIA_128_CBC_SHA256"},
 403     {0xC095, "TLS_PSK_WITH_CAMELLIA_256_CBC_SHA384"},
 404     {0xC096, "TLS_DHE_PSK_WITH_CAMELLIA_128_CBC_SHA256"},
 405     {0xC097, "TLS_DHE_PSK_WITH_CAMELLIA_256_CBC_SHA384"},
 406     {0xC098, "TLS_RSA_PSK_WITH_CAMELLIA_128_CBC_SHA256"},
 407     {0xC099, "TLS_RSA_PSK_WITH_CAMELLIA_256_CBC_SHA384"},
 408     {0xC09A, "TLS_ECDHE_PSK_WITH_CAMELLIA_128_CBC_SHA256"},
 409     {0xC09B, "TLS_ECDHE_PSK_WITH_CAMELLIA_256_CBC_SHA384"},
 410     {0xC09C, "TLS_RSA_WITH_AES_128_CCM"},
 411     {0xC09D, "TLS_RSA_WITH_AES_256_CCM"},
 412     {0xC09E, "TLS_DHE_RSA_WITH_AES_128_CCM"},
 413     {0xC09F, "TLS_DHE_RSA_WITH_AES_256_CCM"},
 414     {0xC0A0, "TLS_RSA_WITH_AES_128_CCM_8"},
 415     {0xC0A1, "TLS_RSA_WITH_AES_256_CCM_8"},
 416     {0xC0A2, "TLS_DHE_RSA_WITH_AES_128_CCM_8"},
 417     {0xC0A3, "TLS_DHE_RSA_WITH_AES_256_CCM_8"},
 418     {0xC0A4, "TLS_PSK_WITH_AES_128_CCM"},
 419     {0xC0A5, "TLS_PSK_WITH_AES_256_CCM"},
 420     {0xC0A6, "TLS_DHE_PSK_WITH_AES_128_CCM"},
 421     {0xC0A7, "TLS_DHE_PSK_WITH_AES_256_CCM"},
 422     {0xC0A8, "TLS_PSK_WITH_AES_128_CCM_8"},
 423     {0xC0A9, "TLS_PSK_WITH_AES_256_CCM_8"},
 424     {0xC0AA, "TLS_PSK_DHE_WITH_AES_128_CCM_8"},
 425     {0xC0AB, "TLS_PSK_DHE_WITH_AES_256_CCM_8"},
 426     {0xC0AC, "TLS_ECDHE_ECDSA_WITH_AES_128_CCM"},
 427     {0xC0AD, "TLS_ECDHE_ECDSA_WITH_AES_256_CCM"},
 428     {0xC0AE, "TLS_ECDHE_ECDSA_WITH_AES_128_CCM_8"},
 429     {0xC0AF, "TLS_ECDHE_ECDSA_WITH_AES_256_CCM_8"},
 430     {0xCCA8, "TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256"},
 431     {0xCCA9, "TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256"},
 432     {0xCCAA, "TLS_DHE_RSA_WITH_CHACHA20_POLY1305_SHA256"},
 433     {0xCCAB, "TLS_PSK_WITH_CHACHA20_POLY1305_SHA256"},
 434     {0xCCAC, "TLS_ECDHE_PSK_WITH_CHACHA20_POLY1305_SHA256"},
 435     {0xCCAD, "TLS_DHE_PSK_WITH_CHACHA20_POLY1305_SHA256"},
 436     {0xCCAE, "TLS_RSA_PSK_WITH_CHACHA20_POLY1305_SHA256"},
 437     {0x1301, "TLS_AES_128_GCM_SHA256"},
 438     {0x1302, "TLS_AES_256_GCM_SHA384"},
 439     {0x1303, "TLS_CHACHA20_POLY1305_SHA256"},
 440     {0x1304, "TLS_AES_128_CCM_SHA256"},
 441     {0x1305, "TLS_AES_128_CCM_8_SHA256"},
 442     {0xFEFE, "SSL_RSA_FIPS_WITH_DES_CBC_SHA"},
 443     {0xFEFF, "SSL_RSA_FIPS_WITH_3DES_EDE_CBC_SHA"},
 444 };
 445
 446 /* Compression methods */
 447 static ssl_trace_tbl ssl_comp_tbl[] = {
 448     {0x0000, "No Compression"},
 449     {0x0001, "Zlib Compression"}
 450 };
 451
 452 /* Extensions */
 453 static ssl_trace_tbl ssl_exts_tbl[] = {
 454     {TLSEXT_TYPE_server_name, "server_name"},
 455     {TLSEXT_TYPE_max_fragment_length, "max_fragment_length"},
 456     {TLSEXT_TYPE_client_certificate_url, "client_certificate_url"},
 457     {TLSEXT_TYPE_trusted_ca_keys, "trusted_ca_keys"},
 458     {TLSEXT_TYPE_truncated_hmac, "truncated_hmac"},
 459     {TLSEXT_TYPE_status_request, "status_request"},
 460     {TLSEXT_TYPE_user_mapping, "user_mapping"},
 461     {TLSEXT_TYPE_client_authz, "client_authz"},
 462     {TLSEXT_TYPE_server_authz, "server_authz"},
 463     {TLSEXT_TYPE_cert_type, "cert_type"},
 464     {TLSEXT_TYPE_key_share, "key_share"},
 465     {TLSEXT_TYPE_psk, "psk"},
 466     {TLSEXT_TYPE_psk_kex_modes, "psk_key_exchange_modes"},
 467     {TLSEXT_TYPE_supported_groups, "supported_groups"},
 468     {TLSEXT_TYPE_ec_point_formats, "ec_point_formats"},
 469     {TLSEXT_TYPE_srp, "srp"},
 470     {TLSEXT_TYPE_signature_algorithms, "signature_algorithms"},
 471     {TLSEXT_TYPE_use_srtp, "use_srtp"},
 472     {TLSEXT_TYPE_session_ticket, "session_ticket"},
 473     {TLSEXT_TYPE_supported_versions, "supported_versions"},
 474     {TLSEXT_TYPE_renegotiate, "renegotiate"},
 475 # ifndef OPENSSL_NO_NEXTPROTONEG
 476     {TLSEXT_TYPE_next_proto_neg, "next_proto_neg"},
 477 # endif
 478     {TLSEXT_TYPE_application_layer_protocol_negotiation,
 479      "application_layer_protocol_negotiation"},
 480     {TLSEXT_TYPE_signed_certificate_timestamp, "signed_certificate_timestamps"},
 481     {TLSEXT_TYPE_padding, "padding"},
 482     {TLSEXT_TYPE_encrypt_then_mac, "encrypt_then_mac"},
 483     {TLSEXT_TYPE_extended_master_secret, "extended_master_secret"},
 484     {TLSEXT_TYPE_early_data, "early_data"}
 485 };
 486
 487 static ssl_trace_tbl ssl_groups_tbl[] = {
 488     {1, "sect163k1 (K-163)"},
 489     {2, "sect163r1"},
 490     {3, "sect163r2 (B-163)"},
 491     {4, "sect193r1"},
 492     {5, "sect193r2"},
 493     {6, "sect233k1 (K-233)"},
 494     {7, "sect233r1 (B-233)"},
 495     {8, "sect239k1"},
 496     {9, "sect283k1 (K-283)"},
 497     {10, "sect283r1 (B-283)"},
 498     {11, "sect409k1 (K-409)"},
 499     {12, "sect409r1 (B-409)"},
 500     {13, "sect571k1 (K-571)"},
 501     {14, "sect571r1 (B-571)"},
 502     {15, "secp160k1"},
 503     {16, "secp160r1"},
 504     {17, "secp160r2"},
 505     {18, "secp192k1"},
 506     {19, "secp192r1 (P-192)"},
 507     {20, "secp224k1"},
 508     {21, "secp224r1 (P-224)"},
 509     {22, "secp256k1"},
 510     {23, "secp256r1 (P-256)"},
 511     {24, "secp384r1 (P-384)"},
 512     {25, "secp521r1 (P-521)"},
 513     {26, "brainpoolP256r1"},
 514     {27, "brainpoolP384r1"},
 515     {28, "brainpoolP512r1"},
 516     {29, "ecdh_x25519"},
 517     {256, "ffdhe2048"},
 518     {257, "ffdhe3072"},
 519     {258, "ffdhe4096"},
 520     {259, "ffdhe6144"},
 521     {260, "ffdhe8192"},
 522     {0xFF01, "arbitrary_explicit_prime_curves"},
 523     {0xFF02, "arbitrary_explicit_char2_curves"}
 524 };
 525
 526 static ssl_trace_tbl ssl_point_tbl[] = {
 527     {0, "uncompressed"},
 528     {1, "ansiX962_compressed_prime"},
 529     {2, "ansiX962_compressed_char2"}
 530 };
 531
 532 static ssl_trace_tbl ssl_sigalg_tbl[] = {
 533     {TLSEXT_SIGALG_ecdsa_secp256r1_sha256, "ecdsa_secp256r1_sha256"},
 534     {TLSEXT_SIGALG_ecdsa_secp384r1_sha384, "ecdsa_secp384r1_sha384"},
 535     {TLSEXT_SIGALG_ecdsa_secp521r1_sha512, "ecdsa_secp521r1_sha512"},
 536     {TLSEXT_SIGALG_ecdsa_sha224, "ecdsa_sha224"},
 537     {TLSEXT_SIGALG_ed25519, "ed25519"},
 538     {TLSEXT_SIGALG_ecdsa_sha1, "ecdsa_sha1"},
 539     {TLSEXT_SIGALG_rsa_pss_sha256, "rsa_pss_sha256"},
 540     {TLSEXT_SIGALG_rsa_pss_sha384, "rsa_pss_sha384"},
 541     {TLSEXT_SIGALG_rsa_pss_sha512, "rsa_pss_sha512"},
 542     {TLSEXT_SIGALG_rsa_pkcs1_sha256, "rsa_pkcs1_sha256"},
 543     {TLSEXT_SIGALG_rsa_pkcs1_sha384, "rsa_pkcs1_sha384"},
 544     {TLSEXT_SIGALG_rsa_pkcs1_sha512, "rsa_pkcs1_sha512"},
 545     {TLSEXT_SIGALG_rsa_pkcs1_sha224, "rsa_pkcs1_sha224"},
 546     {TLSEXT_SIGALG_rsa_pkcs1_sha1, "rsa_pkcs1_sha1"},
 547     {TLSEXT_SIGALG_dsa_sha256, "dsa_sha256"},
 548     {TLSEXT_SIGALG_dsa_sha384, "dsa_sha384"},
 549     {TLSEXT_SIGALG_dsa_sha512, "dsa_sha512"},
 550     {TLSEXT_SIGALG_dsa_sha224, "dsa_sha224"},
 551     {TLSEXT_SIGALG_dsa_sha1, "dsa_sha1"},
 552     {TLSEXT_SIGALG_gostr34102012_256_gostr34112012_256, "gost2012_256"},
 553     {TLSEXT_SIGALG_gostr34102012_512_gostr34112012_512, "gost2012_512"},
 554     {TLSEXT_SIGALG_gostr34102001_gostr3411, "gost2001_gost94"},
 555 };
 556
 557 static ssl_trace_tbl ssl_ctype_tbl[] = {
 558     {1, "rsa_sign"},
 559     {2, "dss_sign"},
 560     {3, "rsa_fixed_dh"},
 561     {4, "dss_fixed_dh"},
 562     {5, "rsa_ephemeral_dh"},
 563     {6, "dss_ephemeral_dh"},
 564     {20, "fortezza_dms"},
 565     {64, "ecdsa_sign"},
 566     {65, "rsa_fixed_ecdh"},
 567     {66, "ecdsa_fixed_ecdh"}
 568 };
 569
 570 static ssl_trace_tbl ssl_psk_kex_modes_tbl[] = {
 571     {TLSEXT_KEX_MODE_KE, "psk_ke"},
 572     {TLSEXT_KEX_MODE_KE_DHE, "psk_dhe_ke"}
 573 };
 574
 575 static ssl_trace_tbl ssl_key_update_tbl[] = {
 576     {SSL_KEY_UPDATE_NOT_REQUESTED, "update_not_requested"},
 577     {SSL_KEY_UPDATE_REQUESTED, "update_requested"}
 578 };
 579
 580 static void ssl_print_hex(BIO *bio, int indent, const char *name,
 581                           const unsigned char *msg, size_t msglen)
 582 {
 583     size_t i;
 584
 585     BIO_indent(bio, indent, 80);
 586     BIO_printf(bio, "%s (len=%d): ", name, (int)msglen);
 587     for (i = 0; i < msglen; i++)
 588         BIO_printf(bio, "%02X", msg[i]);
 589     BIO_puts(bio, "\n");
 590 }
 591
 592 static int ssl_print_hexbuf(BIO *bio, int indent,
 593                             const char *name, size_t nlen,
 594                             const unsigned char **pmsg, size_t *pmsglen)
 595 {
 596     size_t blen;
 597     const unsigned char *p = *pmsg;
 598
 599     if (*pmsglen < nlen)
 600         return 0;
 601     blen = p[0];
 602     if (nlen > 1)
 603         blen = (blen << 8) | p[1];
 604     if (*pmsglen < nlen + blen)
 605         return 0;
 606     p += nlen;
 607     ssl_print_hex(bio, indent, name, p, blen);
 608     *pmsg += blen + nlen;
 609     *pmsglen -= blen + nlen;
 610     return 1;
 611 }
 612
 613 static int ssl_print_version(BIO *bio, int indent, const char *name,
 614                              const unsigned char **pmsg, size_t *pmsglen,
 615                              unsigned int *version)
 616 {
 617     int vers;
 618
 619     if (*pmsglen < 2)
 620         return 0;
 621     vers = ((*pmsg)[0] << 8) | (*pmsg)[1];
 622     if (version != NULL) {
 623         /* TODO(TLS1.3): Remove the draft conditional here before release */
 624         *version = (vers == TLS1_3_VERSION_DRAFT) ? TLS1_3_VERSION : vers;
 625     }
 626     BIO_indent(bio, indent, 80);
 627     BIO_printf(bio, "%s=0x%x (%s)\n",
 628                name, vers, ssl_trace_str(vers, ssl_version_tbl));
 629     *pmsg += 2;
 630     *pmsglen -= 2;
 631     return 1;
 632 }
 633
 634 static int ssl_print_random(BIO *bio, int indent,
 635                             const unsigned char **pmsg, size_t *pmsglen)
 636 {
 637     unsigned int tm;
 638     const unsigned char *p = *pmsg;
 639
 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     uint32_t max_early_data;
 679
 680     BIO_indent(bio, indent, 80);
 681     BIO_printf(bio, "extension_type=%s(%d), length=%d\n",
 682                ssl_trace_str(extype, ssl_exts_tbl), extype, (int)extlen);
 683     switch (extype) {
 684     case TLSEXT_TYPE_ec_point_formats:
 685         if (extlen < 1)
 686             return 0;
 687         xlen = ext[0];
 688         if (extlen != xlen + 1)
 689             return 0;
 690         return ssl_trace_list(bio, indent + 2, ext + 1, xlen, 1, ssl_point_tbl);
 691
 692     case TLSEXT_TYPE_supported_groups:
 693         if (extlen < 2)
 694             return 0;
 695         xlen = (ext[0] << 8) | ext[1];
 696         if (extlen != xlen + 2)
 697             return 0;
 698         return ssl_trace_list(bio, indent + 2, ext + 2, xlen, 2, ssl_groups_tbl);
 699     case TLSEXT_TYPE_application_layer_protocol_negotiation:
 700         if (extlen < 2)
 701             return 0;
 702         xlen = (ext[0] << 8) | ext[1];
 703         if (extlen != xlen + 2)
 704             return 0;
 705         ext += 2;
 706         while (xlen > 0) {
 707             size_t plen = *ext++;
 708
 709             if (plen > xlen + 1)
 710                 return 0;
 711             BIO_indent(bio, indent + 2, 80);
 712             BIO_write(bio, ext, plen);
 713             BIO_puts(bio, "\n");
 714             ext += plen;
 715             xlen -= plen + 1;
 716         }
 717         return 1;
 718
 719     case TLSEXT_TYPE_signature_algorithms:
 720
 721         if (extlen < 2)
 722             return 0;
 723         xlen = (ext[0] << 8) | ext[1];
 724         if (extlen != xlen + 2)
 725             return 0;
 726         if (xlen & 1)
 727             return 0;
 728         ext += 2;
 729         while (xlen > 0) {
 730             BIO_indent(bio, indent + 2, 80);
 731             sigalg = (ext[0] << 8) | ext[1];
 732             BIO_printf(bio, "%s (0x%04x)\n",
 733                        ssl_trace_str(sigalg, ssl_sigalg_tbl), sigalg);
 734             xlen -= 2;
 735             ext += 2;
 736         }
 737         break;
 738
 739     case TLSEXT_TYPE_renegotiate:
 740         if (extlen < 1)
 741             return 0;
 742         xlen = ext[0];
 743         if (xlen + 1 != extlen)
 744             return 0;
 745         ext++;
 746         if (xlen) {
 747             if (server) {
 748                 if (xlen & 1)
 749                     return 0;
 750                 xlen >>= 1;
 751             }
 752             ssl_print_hex(bio, indent + 4, "client_verify_data", ext, xlen);
 753             if (server) {
 754                 ext += xlen;
 755                 ssl_print_hex(bio, indent + 4, "server_verify_data", ext, xlen);
 756             }
 757         } else {
 758             BIO_indent(bio, indent + 4, 80);
 759             BIO_puts(bio, "<EMPTY>\n");
 760         }
 761         break;
 762
 763     case TLSEXT_TYPE_heartbeat:
 764         return 0;
 765
 766     case TLSEXT_TYPE_session_ticket:
 767         if (extlen != 0)
 768             ssl_print_hex(bio, indent + 4, "ticket", ext, extlen);
 769         break;
 770
 771     case TLSEXT_TYPE_key_share:
 772         if (mt == SSL3_MT_HELLO_RETRY_REQUEST) {
 773             int group_id;
 774
 775             if (extlen != 2)
 776                 return 0;
 777             group_id = (ext[0] << 8) | ext[1];
 778             BIO_indent(bio, indent + 4, 80);
 779             BIO_printf(bio, "NamedGroup: %s (%d)\n",
 780                        ssl_trace_str(group_id, ssl_groups_tbl), group_id);
 781             break;
 782         }
 783         if (extlen < 2)
 784             return 0;
 785         if (server) {
 786             xlen = extlen;
 787         } else {
 788             xlen = (ext[0] << 8) | ext[1];
 789             if (extlen != xlen + 2)
 790                 return 0;
 791             ext += 2;
 792         }
 793         for (; xlen > 0; ext += share_len, xlen -= share_len) {
 794             int group_id;
 795
 796             if (xlen < 4)
 797                 return 0;
 798             group_id = (ext[0] << 8) | ext[1];
 799             share_len = (ext[2] << 8) | ext[3];
 800             ext += 4;
 801             xlen -= 4;
 802             if (xlen < share_len)
 803                 return 0;
 804             BIO_indent(bio, indent + 4, 80);
 805             BIO_printf(bio, "NamedGroup: %s (%d)\n",
 806                        ssl_trace_str(group_id, ssl_groups_tbl), group_id);
 807             ssl_print_hex(bio, indent + 4, "key_exchange: ", ext, share_len);
 808         }
 809         break;
 810
 811     case TLSEXT_TYPE_supported_versions:
 812         if (extlen < 1)
 813             return 0;
 814         xlen = ext[0];
 815         if (extlen != xlen + 1)
 816             return 0;
 817         return ssl_trace_list(bio, indent + 2, ext + 1, xlen, 2,
 818                               ssl_version_tbl);
 819
 820     case TLSEXT_TYPE_psk_kex_modes:
 821         if (extlen < 1)
 822             return 0;
 823         xlen = ext[0];
 824         if (extlen != xlen + 1)
 825             return 0;
 826         return ssl_trace_list(bio, indent + 2, ext + 1, xlen, 1,
 827                               ssl_psk_kex_modes_tbl);
 828
 829     case TLSEXT_TYPE_early_data:
 830         if (mt != SSL3_MT_NEWSESSION_TICKET)
 831             break;
 832         if (extlen != 4)
 833             return 0;
 834         max_early_data = (ext[0] << 24) | (ext[1] << 16) | (ext[2] << 8)
 835                          | ext[3];
 836         BIO_indent(bio, indent + 2, 80);
 837         BIO_printf(bio, "max_early_data=%u\n", max_early_data);
 838         break;
 839
 840     default:
 841         BIO_dump_indent(bio, (const char *)ext, extlen, indent + 2);
 842     }
 843     return 1;
 844 }
 845
 846 static int ssl_print_extensions(BIO *bio, int indent, int server,
 847                                 unsigned char mt, const unsigned char **msgin,
 848                                 size_t *msginlen)
 849 {
 850     size_t extslen, msglen = *msginlen;
 851     const unsigned char *msg = *msgin;
 852
 853     BIO_indent(bio, indent, 80);
 854     if (msglen == 0) {
 855         BIO_puts(bio, "No Extensions\n");
 856         return 1;
 857     }
 858     extslen = (msg[0] << 8) | msg[1];
 859     if (extslen != msglen - 2)
 860         return 0;
 861     msg += 2;
 862     msglen = extslen;
 863     BIO_printf(bio, "extensions, length = %d\n", (int)msglen);
 864     while (msglen > 0) {
 865         int extype;
 866         size_t extlen;
 867         if (msglen < 4)
 868             return 0;
 869         extype = (msg[0] << 8) | msg[1];
 870         extlen = (msg[2] << 8) | msg[3];
 871         if (msglen < extlen + 4)
 872             return 0;
 873         msg += 4;
 874         if (!ssl_print_extension(bio, indent + 2, server, mt, extype, msg,
 875                                  extlen))
 876             return 0;
 877         msg += extlen;
 878         msglen -= extlen + 4;
 879     }
 880
 881     *msgin = msg;
 882     *msginlen = msglen;
 883     return 1;
 884 }
 885
 886 static int ssl_print_client_hello(BIO *bio, SSL *ssl, int indent,
 887                                   const unsigned char *msg, size_t msglen)
 888 {
 889     size_t len;
 890     unsigned int cs;
 891
 892     if (!ssl_print_version(bio, indent, "client_version", &msg, &msglen, NULL))
 893         return 0;
 894     if (!ssl_print_random(bio, indent, &msg, &msglen))
 895         return 0;
 896     if (!ssl_print_hexbuf(bio, indent, "session_id", 1, &msg, &msglen))
 897         return 0;
 898     if (SSL_IS_DTLS(ssl)) {
 899         if (!ssl_print_hexbuf(bio, indent, "cookie", 1, &msg, &msglen))
 900             return 0;
 901     }
 902     if (msglen < 2)
 903         return 0;
 904     len = (msg[0] << 8) | msg[1];
 905     msg += 2;
 906     msglen -= 2;
 907     BIO_indent(bio, indent, 80);
 908     BIO_printf(bio, "cipher_suites (len=%d)\n", (int)len);
 909     if (msglen < len || len & 1)
 910         return 0;
 911     while (len > 0) {
 912         cs = (msg[0] << 8) | msg[1];
 913         BIO_indent(bio, indent + 2, 80);
 914         BIO_printf(bio, "{0x%02X, 0x%02X} %s\n",
 915                    msg[0], msg[1], ssl_trace_str(cs, ssl_ciphers_tbl));
 916         msg += 2;
 917         msglen -= 2;
 918         len -= 2;
 919     }
 920     if (msglen < 1)
 921         return 0;
 922     len = msg[0];
 923     msg++;
 924     msglen--;
 925     if (msglen < len)
 926         return 0;
 927     BIO_indent(bio, indent, 80);
 928     BIO_printf(bio, "compression_methods (len=%d)\n", (int)len);
 929     while (len > 0) {
 930         BIO_indent(bio, indent + 2, 80);
 931         BIO_printf(bio, "%s (0x%02X)\n",
 932                    ssl_trace_str(msg[0], ssl_comp_tbl), msg[0]);
 933         msg++;
 934         msglen--;
 935         len--;
 936     }
 937     if (!ssl_print_extensions(bio, indent, 0, SSL3_MT_CLIENT_HELLO, &msg,
 938                               &msglen))
 939         return 0;
 940     return 1;
 941 }
 942
 943 static int dtls_print_hello_vfyrequest(BIO *bio, int indent,
 944                                        const unsigned char *msg, size_t msglen)
 945 {
 946     if (!ssl_print_version(bio, indent, "server_version", &msg, &msglen, NULL))
 947         return 0;
 948     if (!ssl_print_hexbuf(bio, indent, "cookie", 1, &msg, &msglen))
 949         return 0;
 950     return 1;
 951 }
 952
 953 static int ssl_print_server_hello(BIO *bio, int indent,
 954                                   const unsigned char *msg, size_t msglen)
 955 {
 956     unsigned int cs;
 957     unsigned int vers;
 958
 959     if (!ssl_print_version(bio, indent, "server_version", &msg, &msglen, &vers))
 960         return 0;
 961     if (!ssl_print_random(bio, indent, &msg, &msglen))
 962         return 0;
 963     if (vers != TLS1_3_VERSION
 964             && !ssl_print_hexbuf(bio, indent, "session_id", 1, &msg, &msglen))
 965         return 0;
 966     if (msglen < 2)
 967         return 0;
 968     cs = (msg[0] << 8) | msg[1];
 969     BIO_indent(bio, indent, 80);
 970     BIO_printf(bio, "cipher_suite {0x%02X, 0x%02X} %s\n",
 971                msg[0], msg[1], ssl_trace_str(cs, ssl_ciphers_tbl));
 972     msg += 2;
 973     msglen -= 2;
 974     if (vers != TLS1_3_VERSION) {
 975         if (msglen < 1)
 976             return 0;
 977         BIO_indent(bio, indent, 80);
 978         BIO_printf(bio, "compression_method: %s (0x%02X)\n",
 979                    ssl_trace_str(msg[0], ssl_comp_tbl), msg[0]);
 980         msg++;
 981         msglen--;
 982     }
 983     if (!ssl_print_extensions(bio, indent, 1, SSL3_MT_SERVER_HELLO, &msg,
 984                               &msglen))
 985         return 0;
 986     return 1;
 987 }
 988
 989 static int ssl_print_hello_retry_request(BIO *bio, int indent,
 990                                          const unsigned char *msg,
 991                                          size_t msglen)
 992 {
 993     unsigned int cs;
 994
 995     if (!ssl_print_version(bio, indent, "server_version", &msg, &msglen, NULL))
 996         return 0;
 997
 998     cs = (msg[0] << 8) | msg[1];
 999     BIO_indent(bio, indent, 80);
1000     BIO_printf(bio, "cipher_suite {0x%02X, 0x%02X} %s\n",
1001                msg[0], msg[1], ssl_trace_str(cs, ssl_ciphers_tbl));
1002     msg += 2;
1003     msglen -= 2;
1004
1005     if (!ssl_print_extensions(bio, indent, 1, SSL3_MT_HELLO_RETRY_REQUEST, &msg,
1006                               &msglen))
1007         return 0;
1008
1009     return 1;
1010 }
1011
1012 static int ssl_get_keyex(const char **pname, SSL *ssl)
1013 {
1014     unsigned long alg_k = ssl->s3->tmp.new_cipher->algorithm_mkey;
1015
1016     if (alg_k & SSL_kRSA) {
1017         *pname = "rsa";
1018         return SSL_kRSA;
1019     }
1020     if (alg_k & SSL_kDHE) {
1021         *pname = "DHE";
1022         return SSL_kDHE;
1023     }
1024     if (alg_k & SSL_kECDHE) {
1025         *pname = "ECDHE";
1026         return SSL_kECDHE;
1027     }
1028     if (alg_k & SSL_kPSK) {
1029         *pname = "PSK";
1030         return SSL_kPSK;
1031     }
1032     if (alg_k & SSL_kRSAPSK) {
1033         *pname = "RSAPSK";
1034         return SSL_kRSAPSK;
1035     }
1036     if (alg_k & SSL_kDHEPSK) {
1037         *pname = "DHEPSK";
1038         return SSL_kDHEPSK;
1039     }
1040     if (alg_k & SSL_kECDHEPSK) {
1041         *pname = "ECDHEPSK";
1042         return SSL_kECDHEPSK;
1043     }
1044     if (alg_k & SSL_kSRP) {
1045         *pname = "SRP";
1046         return SSL_kSRP;
1047     }
1048     if (alg_k & SSL_kGOST) {
1049         *pname = "GOST";
1050         return SSL_kGOST;
1051     }
1052     *pname = "UNKNOWN";
1053     return 0;
1054 }
1055
1056 static int ssl_print_client_keyex(BIO *bio, int indent, SSL *ssl,
1057                                   const unsigned char *msg, size_t msglen)
1058 {
1059     const char *algname;
1060     int id = ssl_get_keyex(&algname, ssl);
1061
1062     BIO_indent(bio, indent, 80);
1063     BIO_printf(bio, "KeyExchangeAlgorithm=%s\n", algname);
1064     if (id & SSL_PSK) {
1065         if (!ssl_print_hexbuf(bio, indent + 2,
1066                               "psk_identity", 2, &msg, &msglen))
1067             return 0;
1068     }
1069     switch (id) {
1070
1071     case SSL_kRSA:
1072     case SSL_kRSAPSK:
1073         if (TLS1_get_version(ssl) == SSL3_VERSION) {
1074             ssl_print_hex(bio, indent + 2,
1075                           "EncyptedPreMasterSecret", msg, msglen);
1076         } else {
1077             if (!ssl_print_hexbuf(bio, indent + 2,
1078                                   "EncyptedPreMasterSecret", 2, &msg, &msglen))
1079                 return 0;
1080         }
1081         break;
1082
1083     case SSL_kDHE:
1084     case SSL_kDHEPSK:
1085         if (!ssl_print_hexbuf(bio, indent + 2, "dh_Yc", 2, &msg, &msglen))
1086             return 0;
1087         break;
1088
1089     case SSL_kECDHE:
1090     case SSL_kECDHEPSK:
1091         if (!ssl_print_hexbuf(bio, indent + 2, "ecdh_Yc", 1, &msg, &msglen))
1092             return 0;
1093         break;
1094
1095     }
1096
1097     return !msglen;
1098 }
1099
1100 static int ssl_print_server_keyex(BIO *bio, int indent, SSL *ssl,
1101                                   const unsigned char *msg, size_t msglen)
1102 {
1103     const char *algname;
1104     int id = ssl_get_keyex(&algname, ssl);
1105
1106     BIO_indent(bio, indent, 80);
1107     BIO_printf(bio, "KeyExchangeAlgorithm=%s\n", algname);
1108     if (id & SSL_PSK) {
1109         if (!ssl_print_hexbuf(bio, indent + 2,
1110                               "psk_identity_hint", 2, &msg, &msglen))
1111             return 0;
1112     }
1113     switch (id) {
1114     case SSL_kRSA:
1115
1116         if (!ssl_print_hexbuf(bio, indent + 2, "rsa_modulus", 2, &msg, &msglen))
1117             return 0;
1118         if (!ssl_print_hexbuf(bio, indent + 2, "rsa_exponent", 2,
1119                               &msg, &msglen))
1120             return 0;
1121         break;
1122
1123     case SSL_kDHE:
1124     case SSL_kDHEPSK:
1125         if (!ssl_print_hexbuf(bio, indent + 2, "dh_p", 2, &msg, &msglen))
1126             return 0;
1127         if (!ssl_print_hexbuf(bio, indent + 2, "dh_g", 2, &msg, &msglen))
1128             return 0;
1129         if (!ssl_print_hexbuf(bio, indent + 2, "dh_Ys", 2, &msg, &msglen))
1130             return 0;
1131         break;
1132
1133 # ifndef OPENSSL_NO_EC
1134     case SSL_kECDHE:
1135     case SSL_kECDHEPSK:
1136         if (msglen < 1)
1137             return 0;
1138         BIO_indent(bio, indent + 2, 80);
1139         if (msg[0] == EXPLICIT_PRIME_CURVE_TYPE)
1140             BIO_puts(bio, "explicit_prime\n");
1141         else if (msg[0] == EXPLICIT_CHAR2_CURVE_TYPE)
1142             BIO_puts(bio, "explicit_char2\n");
1143         else if (msg[0] == NAMED_CURVE_TYPE) {
1144             int curve;
1145             if (msglen < 3)
1146                 return 0;
1147             curve = (msg[1] << 8) | msg[2];
1148             BIO_printf(bio, "named_curve: %s (%d)\n",
1149                        ssl_trace_str(curve, ssl_groups_tbl), curve);
1150             msg += 3;
1151             msglen -= 3;
1152             if (!ssl_print_hexbuf(bio, indent + 2, "point", 1, &msg, &msglen))
1153                 return 0;
1154         } else {
1155             BIO_printf(bio, "UNKNOWN CURVE PARAMETER TYPE %d\n", msg[0]);
1156             return 0;
1157         }
1158         break;
1159 # endif
1160
1161     case SSL_kPSK:
1162     case SSL_kRSAPSK:
1163         break;
1164     }
1165     if (!(id & SSL_PSK))
1166         ssl_print_signature(bio, indent, ssl, &msg, &msglen);
1167     return !msglen;
1168 }
1169
1170 static int ssl_print_certificate(BIO *bio, int indent,
1171                                  const unsigned char **pmsg, size_t *pmsglen)
1172 {
1173     size_t msglen = *pmsglen;
1174     size_t clen;
1175     X509 *x;
1176     const unsigned char *p = *pmsg, *q;
1177
1178     if (msglen < 3)
1179         return 0;
1180     clen = (p[0] << 16) | (p[1] << 8) | p[2];
1181     if (msglen < clen + 3)
1182         return 0;
1183     q = p + 3;
1184     BIO_indent(bio, indent, 80);
1185     BIO_printf(bio, "ASN.1Cert, length=%d", (int)clen);
1186     x = d2i_X509(NULL, &q, clen);
1187     if (!x)
1188         BIO_puts(bio, "<UNPARSEABLE CERTIFICATE>\n");
1189     else {
1190         BIO_puts(bio, "\n------details-----\n");
1191         X509_print_ex(bio, x, XN_FLAG_ONELINE, 0);
1192         PEM_write_bio_X509(bio, x);
1193         /* Print certificate stuff */
1194         BIO_puts(bio, "------------------\n");
1195         X509_free(x);
1196     }
1197     if (q != p + 3 + clen) {
1198         BIO_puts(bio, "<TRAILING GARBAGE AFTER CERTIFICATE>\n");
1199     }
1200     *pmsg += clen + 3;
1201     *pmsglen -= clen + 3;
1202     return 1;
1203 }
1204
1205 static int ssl_print_certificates(BIO *bio, SSL *s, int server, int indent,
1206                                   const unsigned char *msg, size_t msglen)
1207 {
1208     size_t clen;
1209
1210     if (SSL_IS_TLS13(s)
1211             && !ssl_print_hexbuf(bio, indent, "context", 1, &msg, &msglen))
1212         return 0;
1213
1214     if (msglen < 3)
1215         return 0;
1216     clen = (msg[0] << 16) | (msg[1] << 8) | msg[2];
1217     if (msglen != clen + 3)
1218         return 0;
1219     msg += 3;
1220     BIO_indent(bio, indent, 80);
1221     BIO_printf(bio, "certificate_list, length=%d\n", (int)clen);
1222     while (clen > 0) {
1223         if (!ssl_print_certificate(bio, indent + 2, &msg, &clen))
1224             return 0;
1225         if (!ssl_print_extensions(bio, indent + 2, server, SSL3_MT_CERTIFICATE,
1226                                   &msg, &clen))
1227             return 0;
1228
1229     }
1230     return 1;
1231 }
1232
1233 static int ssl_print_cert_request(BIO *bio, int indent, SSL *s,
1234                                   const unsigned char *msg, size_t msglen)
1235 {
1236     size_t xlen;
1237     unsigned int sigalg;
1238
1239     if (SSL_IS_TLS13(s)) {
1240         if (!ssl_print_hexbuf(bio, indent, "request_context", 1, &msg, &msglen))
1241             return 0;
1242     } else {
1243         if (msglen < 1)
1244             return 0;
1245         xlen = msg[0];
1246         if (msglen < xlen + 1)
1247             return 0;
1248         msg++;
1249         BIO_indent(bio, indent, 80);
1250         BIO_printf(bio, "certificate_types (len=%d)\n", (int)xlen);
1251         if (!ssl_trace_list(bio, indent + 2, msg, xlen, 1, ssl_ctype_tbl))
1252             return 0;
1253         msg += xlen;
1254         msglen -= xlen + 1;
1255     }
1256     if (SSL_USE_SIGALGS(s)) {
1257         if (msglen < 2)
1258             return 0;
1259         xlen = (msg[0] << 8) | msg[1];
1260         if (msglen < xlen + 2 || (xlen & 1))
1261             return 0;
1262         msg += 2;
1263         msglen -= xlen + 2;
1264         BIO_indent(bio, indent, 80);
1265         BIO_printf(bio, "signature_algorithms (len=%d)\n", (int)xlen);
1266         while (xlen > 0) {
1267             BIO_indent(bio, indent + 2, 80);
1268             sigalg = (msg[0] << 8) | msg[1];
1269             BIO_printf(bio, "%s (0x%04x)\n",
1270                        ssl_trace_str(sigalg, ssl_sigalg_tbl), sigalg);
1271             xlen -= 2;
1272             msg += 2;
1273         }
1274         msg += xlen;
1275     }
1276
1277     xlen = (msg[0] << 8) | msg[1];
1278     BIO_indent(bio, indent, 80);
1279     if (msglen < xlen + 2)
1280         return 0;
1281     msg += 2;
1282     msglen -= 2 + xlen;
1283     BIO_printf(bio, "certificate_authorities (len=%d)\n", (int)xlen);
1284     while (xlen > 0) {
1285         size_t dlen;
1286         X509_NAME *nm;
1287         const unsigned char *p;
1288         if (xlen < 2)
1289             return 0;
1290         dlen = (msg[0] << 8) | msg[1];
1291         if (xlen < dlen + 2)
1292             return 0;
1293         msg += 2;
1294         BIO_indent(bio, indent + 2, 80);
1295         BIO_printf(bio, "DistinguishedName (len=%d): ", (int)dlen);
1296         p = msg;
1297         nm = d2i_X509_NAME(NULL, &p, dlen);
1298         if (!nm) {
1299             BIO_puts(bio, "<UNPARSEABLE DN>\n");
1300         } else {
1301             X509_NAME_print_ex(bio, nm, 0, XN_FLAG_ONELINE);
1302             BIO_puts(bio, "\n");
1303             X509_NAME_free(nm);
1304         }
1305         xlen -= dlen + 2;
1306         msg += dlen;
1307     }
1308     if (SSL_IS_TLS13(s)) {
1309          if (!ssl_print_hexbuf(bio, indent, "request_extensions", 2,
1310                                &msg, &msglen))
1311         return 0;
1312     }
1313     return msglen == 0;
1314 }
1315
1316 static int ssl_print_ticket(BIO *bio, int indent, SSL *s,
1317                             const unsigned char *msg, size_t msglen)
1318 {
1319     unsigned int tick_life;
1320
1321     if (msglen == 0) {
1322         BIO_indent(bio, indent + 2, 80);
1323         BIO_puts(bio, "No Ticket\n");
1324         return 1;
1325     }
1326     if (msglen < 4)
1327         return 0;
1328     tick_life = (msg[0] << 24) | (msg[1] << 16) | (msg[2] << 8) | msg[3];
1329     msglen -= 4;
1330     msg += 4;
1331     BIO_indent(bio, indent + 2, 80);
1332     BIO_printf(bio, "ticket_lifetime_hint=%u\n", tick_life);
1333     if (SSL_IS_TLS13(s)) {
1334         unsigned int ticket_age_add;
1335
1336         if (msglen < 4)
1337             return 0;
1338         ticket_age_add = (msg[0] << 24) | (msg[1] << 16) | (msg[2] << 8)
1339                           | msg[3];
1340         msglen -= 4;
1341         msg += 4;
1342         BIO_indent(bio, indent + 2, 80);
1343         BIO_printf(bio, "ticket_age_add=%u\n", ticket_age_add);
1344         if (!ssl_print_hexbuf(bio, indent + 2, "ticket_nonce", 1, &msg,
1345                               &msglen))
1346             return 0;
1347     }
1348     if (!ssl_print_hexbuf(bio, indent + 2, "ticket", 2, &msg, &msglen))
1349         return 0;
1350     if (SSL_IS_TLS13(s) && !ssl_print_extensions(bio, indent + 2, 0,
1351                                                  SSL3_MT_NEWSESSION_TICKET,
1352                                                  &msg, &msglen))
1353         return 0;
1354     if (msglen)
1355         return 0;
1356     return 1;
1357 }
1358
1359 static int ssl_print_handshake(BIO *bio, SSL *ssl, int server,
1360                                const unsigned char *msg, size_t msglen,
1361                                int indent)
1362 {
1363     size_t hlen;
1364     unsigned char htype;
1365
1366     if (msglen < 4)
1367         return 0;
1368     htype = msg[0];
1369     hlen = (msg[1] << 16) | (msg[2] << 8) | msg[3];
1370     BIO_indent(bio, indent, 80);
1371     BIO_printf(bio, "%s, Length=%d\n",
1372                ssl_trace_str(htype, ssl_handshake_tbl), (int)hlen);
1373     msg += 4;
1374     msglen -= 4;
1375     if (SSL_IS_DTLS(ssl)) {
1376         if (msglen < 8)
1377             return 0;
1378         BIO_indent(bio, indent, 80);
1379         BIO_printf(bio, "message_seq=%d, fragment_offset=%d, "
1380                    "fragment_length=%d\n",
1381                    (msg[0] << 8) | msg[1],
1382                    (msg[2] << 16) | (msg[3] << 8) | msg[4],
1383                    (msg[5] << 16) | (msg[6] << 8) | msg[7]);
1384         msg += 8;
1385         msglen -= 8;
1386     }
1387     if (msglen < hlen)
1388         return 0;
1389     switch (htype) {
1390     case SSL3_MT_CLIENT_HELLO:
1391         if (!ssl_print_client_hello(bio, ssl, indent + 2, msg, msglen))
1392             return 0;
1393         break;
1394
1395     case DTLS1_MT_HELLO_VERIFY_REQUEST:
1396         if (!dtls_print_hello_vfyrequest(bio, indent + 2, msg, msglen))
1397             return 0;
1398         break;
1399
1400     case SSL3_MT_SERVER_HELLO:
1401         if (!ssl_print_server_hello(bio, indent + 2, msg, msglen))
1402             return 0;
1403         break;
1404
1405     case SSL3_MT_SERVER_KEY_EXCHANGE:
1406         if (!ssl_print_server_keyex(bio, indent + 2, ssl, msg, msglen))
1407             return 0;
1408         break;
1409
1410     case SSL3_MT_CLIENT_KEY_EXCHANGE:
1411         if (!ssl_print_client_keyex(bio, indent + 2, ssl, msg, msglen))
1412             return 0;
1413         break;
1414
1415     case SSL3_MT_CERTIFICATE:
1416         if (!ssl_print_certificates(bio, ssl, server, indent + 2, msg, msglen))
1417             return 0;
1418         break;
1419
1420     case SSL3_MT_CERTIFICATE_VERIFY:
1421         if (!ssl_print_signature(bio, indent + 2, ssl, &msg, &msglen))
1422             return 0;
1423         break;
1424
1425     case SSL3_MT_CERTIFICATE_REQUEST:
1426         if (!ssl_print_cert_request(bio, indent + 2, ssl, msg, msglen))
1427             return 0;
1428         break;
1429
1430     case SSL3_MT_FINISHED:
1431         ssl_print_hex(bio, indent + 2, "verify_data", msg, msglen);
1432         break;
1433
1434     case SSL3_MT_SERVER_DONE:
1435         if (msglen != 0)
1436             ssl_print_hex(bio, indent + 2, "unexpected value", msg, msglen);
1437         break;
1438
1439     case SSL3_MT_NEWSESSION_TICKET:
1440         if (!ssl_print_ticket(bio, indent + 2, ssl, msg, msglen))
1441             return 0;
1442         break;
1443
1444     case SSL3_MT_HELLO_RETRY_REQUEST:
1445         if (!ssl_print_hello_retry_request(bio, indent + 2, msg, msglen))
1446             return 0;
1447         break;
1448
1449     case SSL3_MT_ENCRYPTED_EXTENSIONS:
1450         if (!ssl_print_extensions(bio, indent + 2, 1,
1451                                   SSL3_MT_ENCRYPTED_EXTENSIONS, &msg, &msglen))
1452             return 0;
1453         break;
1454
1455     case SSL3_MT_KEY_UPDATE:
1456         if (msglen != 1) {
1457             ssl_print_hex(bio, indent + 2, "unexpected value", msg, msglen);
1458             return 0;
1459         }
1460         if (!ssl_trace_list(bio, indent + 2, msg, msglen, 1,
1461                             ssl_key_update_tbl))
1462             return 0;
1463         break;
1464
1465     default:
1466         BIO_indent(bio, indent + 2, 80);
1467         BIO_puts(bio, "Unsupported, hex dump follows:\n");
1468         BIO_dump_indent(bio, (const char *)msg, msglen, indent + 4);
1469     }
1470     return 1;
1471 }
1472
1473 void SSL_trace(int write_p, int version, int content_type,
1474                const void *buf, size_t msglen, SSL *ssl, void *arg)
1475 {
1476     const unsigned char *msg = buf;
1477     BIO *bio = arg;
1478
1479     switch (content_type) {
1480     case SSL3_RT_HEADER:
1481         {
1482             int hvers = msg[1] << 8 | msg[2];
1483             BIO_puts(bio, write_p ? "Sent" : "Received");
1484             BIO_printf(bio, " Record\nHeader:\n  Version = %s (0x%x)\n",
1485                        ssl_trace_str(hvers, ssl_version_tbl), hvers);
1486             if (SSL_IS_DTLS(ssl)) {
1487                 BIO_printf(bio,
1488                            "  epoch=%d, sequence_number=%04x%04x%04x\n",
1489                            (msg[3] << 8 | msg[4]),
1490                            (msg[5] << 8 | msg[6]),
1491                            (msg[7] << 8 | msg[8]), (msg[9] << 8 | msg[10]));
1492             }
1493
1494             BIO_printf(bio, "  Content Type = %s (%d)\n  Length = %d",
1495                        ssl_trace_str(msg[0], ssl_content_tbl), msg[0],
1496                        msg[msglen - 2] << 8 | msg[msglen - 1]);
1497         }
1498         break;
1499
1500     case SSL3_RT_INNER_CONTENT_TYPE:
1501         BIO_printf(bio, "  Inner Content Type = %s (%d)",
1502                    ssl_trace_str(msg[0], ssl_content_tbl), msg[0]);
1503         break;
1504
1505     case SSL3_RT_HANDSHAKE:
1506         if (!ssl_print_handshake(bio, ssl, ssl->server ? write_p : !write_p,
1507                                  msg, msglen, 4))
1508             BIO_printf(bio, "Message length parse error!\n");
1509         break;
1510
1511     case SSL3_RT_CHANGE_CIPHER_SPEC:
1512         if (msglen == 1 && msg[0] == 1)
1513             BIO_puts(bio, "    change_cipher_spec (1)\n");
1514         else
1515             ssl_print_hex(bio, 4, "unknown value", msg, msglen);
1516         break;
1517
1518     case SSL3_RT_ALERT:
1519         if (msglen != 2)
1520             BIO_puts(bio, "    Illegal Alert Length\n");
1521         else {
1522             BIO_printf(bio, "    Level=%s(%d), description=%s(%d)\n",
1523                        SSL_alert_type_string_long(msg[0] << 8),
1524                        msg[0], SSL_alert_desc_string_long(msg[1]), msg[1]);
1525         }
1526
1527     }
1528
1529     BIO_puts(bio, "\n");
1530 }
1531
1532 #endif