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
  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"},
 431     {0xCCA9, "TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305"},
 432     {0xCCAA, "TLS_DHE_RSA_WITH_CHACHA20_POLY1305"},
 433     {0xCCAB, "TLS_PSK_WITH_CHACHA20_POLY1305"},
 434     {0xCCAC, "TLS_ECDHE_PSK_WITH_CHACHA20_POLY1305"},
 435     {0xCCAD, "TLS_DHE_PSK_WITH_CHACHA20_POLY1305"},
 436     {0xCCAE, "TLS_RSA_PSK_WITH_CHACHA20_POLY1305"},
 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_sha1, "ecdsa_sha1"},
 537     {TLSEXT_SIGALG_rsa_pss_sha256, "rsa_pss_sha256"},
 538     {TLSEXT_SIGALG_rsa_pss_sha384, "rsa_pss_sha384"},
 539     {TLSEXT_SIGALG_rsa_pss_sha512, "rsa_pss_sha512"},
 540     {TLSEXT_SIGALG_rsa_pkcs1_sha256, "rsa_pkcs1_sha256"},
 541     {TLSEXT_SIGALG_rsa_pkcs1_sha384, "rsa_pkcs1_sha384"},
 542     {TLSEXT_SIGALG_rsa_pkcs1_sha512, "rsa_pkcs1_sha512"},
 543     {TLSEXT_SIGALG_rsa_pkcs1_sha1, "rsa_pkcs1_sha1"},
 544     {TLSEXT_SIGALG_dsa_sha256, "dsa_sha256"},
 545     {TLSEXT_SIGALG_dsa_sha384, "dsa_sha384"},
 546     {TLSEXT_SIGALG_dsa_sha512, "dsa_sha512"},
 547     {TLSEXT_SIGALG_dsa_sha1, "dsa_sha1"},
 548     {TLSEXT_SIGALG_gostr34102012_256_gostr34112012_256, "gost2012_256"},
 549     {TLSEXT_SIGALG_gostr34102012_512_gostr34112012_512, "gost2012_512"},
 550     {TLSEXT_SIGALG_gostr34102001_gostr3411, "gost2001_gost94"},
 551 };
 552
 553 static ssl_trace_tbl ssl_ctype_tbl[] = {
 554     {1, "rsa_sign"},
 555     {2, "dss_sign"},
 556     {3, "rsa_fixed_dh"},
 557     {4, "dss_fixed_dh"},
 558     {5, "rsa_ephemeral_dh"},
 559     {6, "dss_ephemeral_dh"},
 560     {20, "fortezza_dms"},
 561     {64, "ecdsa_sign"},
 562     {65, "rsa_fixed_ecdh"},
 563     {66, "ecdsa_fixed_ecdh"}
 564 };
 565
 566 static ssl_trace_tbl ssl_psk_kex_modes_tbl[] = {
 567     {TLSEXT_KEX_MODE_KE, "psk_ke"},
 568     {TLSEXT_KEX_MODE_KE_DHE, "psk_dhe_ke"}
 569 };
 570
 571 static ssl_trace_tbl ssl_crypto_tbl[] = {
 572     {TLS1_RT_CRYPTO_PREMASTER, "Premaster Secret"},
 573     {TLS1_RT_CRYPTO_CLIENT_RANDOM, "Client Random"},
 574     {TLS1_RT_CRYPTO_SERVER_RANDOM, "Server Random"},
 575     {TLS1_RT_CRYPTO_MASTER, "Master Secret"},
 576     {TLS1_RT_CRYPTO_MAC | TLS1_RT_CRYPTO_WRITE, "Write Mac Secret"},
 577     {TLS1_RT_CRYPTO_MAC | TLS1_RT_CRYPTO_READ, "Read Mac Secret"},
 578     {TLS1_RT_CRYPTO_KEY | TLS1_RT_CRYPTO_WRITE, "Write Key"},
 579     {TLS1_RT_CRYPTO_KEY | TLS1_RT_CRYPTO_READ, "Read Key"},
 580     {TLS1_RT_CRYPTO_IV | TLS1_RT_CRYPTO_WRITE, "Write IV"},
 581     {TLS1_RT_CRYPTO_IV | TLS1_RT_CRYPTO_READ, "Read IV"},
 582     {TLS1_RT_CRYPTO_FIXED_IV | TLS1_RT_CRYPTO_WRITE, "Write IV (fixed part)"},
 583     {TLS1_RT_CRYPTO_FIXED_IV | TLS1_RT_CRYPTO_READ, "Read IV (fixed part)"}
 584 };
 585
 586 static ssl_trace_tbl ssl_key_update_tbl[] = {
 587     {SSL_KEY_UPDATE_NOT_REQUESTED, "update_not_requested"},
 588     {SSL_KEY_UPDATE_REQUESTED, "update_requested"}
 589 };
 590
 591 static void ssl_print_hex(BIO *bio, int indent, const char *name,
 592                           const unsigned char *msg, size_t msglen)
 593 {
 594     size_t i;
 595
 596     BIO_indent(bio, indent, 80);
 597     BIO_printf(bio, "%s (len=%d): ", name, (int)msglen);
 598     for (i = 0; i < msglen; i++)
 599         BIO_printf(bio, "%02X", msg[i]);
 600     BIO_puts(bio, "\n");
 601 }
 602
 603 static int ssl_print_hexbuf(BIO *bio, int indent,
 604                             const char *name, size_t nlen,
 605                             const unsigned char **pmsg, size_t *pmsglen)
 606 {
 607     size_t blen;
 608     const unsigned char *p = *pmsg;
 609
 610     if (*pmsglen < nlen)
 611         return 0;
 612     blen = p[0];
 613     if (nlen > 1)
 614         blen = (blen << 8) | p[1];
 615     if (*pmsglen < nlen + blen)
 616         return 0;
 617     p += nlen;
 618     ssl_print_hex(bio, indent, name, p, blen);
 619     *pmsg += blen + nlen;
 620     *pmsglen -= blen + nlen;
 621     return 1;
 622 }
 623
 624 static int ssl_print_version(BIO *bio, int indent, const char *name,
 625                              const unsigned char **pmsg, size_t *pmsglen,
 626                              unsigned int *version)
 627 {
 628     int vers;
 629
 630     if (*pmsglen < 2)
 631         return 0;
 632     vers = ((*pmsg)[0] << 8) | (*pmsg)[1];
 633     if (version != NULL) {
 634         /* TODO(TLS1.3): Remove the draft conditional here before release */
 635         *version = (vers == TLS1_3_VERSION_DRAFT) ? TLS1_3_VERSION : vers;
 636     }
 637     BIO_indent(bio, indent, 80);
 638     BIO_printf(bio, "%s=0x%x (%s)\n",
 639                name, vers, ssl_trace_str(vers, ssl_version_tbl));
 640     *pmsg += 2;
 641     *pmsglen -= 2;
 642     return 1;
 643 }
 644
 645 static int ssl_print_random(BIO *bio, int indent,
 646                             const unsigned char **pmsg, size_t *pmsglen)
 647 {
 648     unsigned int tm;
 649     const unsigned char *p = *pmsg;
 650
 651     if (*pmsglen < 32)
 652         return 0;
 653     tm = (p[0] << 24) | (p[1] << 16) | (p[2] << 8) | p[3];
 654     p += 4;
 655     BIO_indent(bio, indent, 80);
 656     BIO_puts(bio, "Random:\n");
 657     BIO_indent(bio, indent + 2, 80);
 658     BIO_printf(bio, "gmt_unix_time=0x%08X\n", tm);
 659     ssl_print_hex(bio, indent + 2, "random_bytes", p, 28);
 660     *pmsg += 32;
 661     *pmsglen -= 32;
 662     return 1;
 663 }
 664
 665 static int ssl_print_signature(BIO *bio, int indent, SSL *s,
 666                                const unsigned char **pmsg, size_t *pmsglen)
 667 {
 668     if (*pmsglen < 2)
 669         return 0;
 670     if (SSL_USE_SIGALGS(s)) {
 671         const unsigned char *p = *pmsg;
 672         unsigned int sigalg = (p[0] << 8) | p[1];
 673
 674         BIO_indent(bio, indent, 80);
 675         BIO_printf(bio, "Signature Algorithm: %s (0x%04x)\n",
 676                    ssl_trace_str(sigalg, ssl_sigalg_tbl), sigalg);
 677         *pmsg += 2;
 678         *pmsglen -= 2;
 679     }
 680     return ssl_print_hexbuf(bio, indent, "Signature", 2, pmsg, pmsglen);
 681 }
 682
 683 static int ssl_print_extension(BIO *bio, int indent, int server,
 684                                unsigned char mt, int extype,
 685                                const unsigned char *ext, size_t extlen)
 686 {
 687     size_t xlen, share_len;
 688     unsigned int sigalg;
 689     uint32_t max_early_data;
 690
 691     BIO_indent(bio, indent, 80);
 692     BIO_printf(bio, "extension_type=%s(%d), length=%d\n",
 693                ssl_trace_str(extype, ssl_exts_tbl), extype, (int)extlen);
 694     switch (extype) {
 695     case TLSEXT_TYPE_ec_point_formats:
 696         if (extlen < 1)
 697             return 0;
 698         xlen = ext[0];
 699         if (extlen != xlen + 1)
 700             return 0;
 701         return ssl_trace_list(bio, indent + 2, ext + 1, xlen, 1, ssl_point_tbl);
 702
 703     case TLSEXT_TYPE_supported_groups:
 704         if (extlen < 2)
 705             return 0;
 706         xlen = (ext[0] << 8) | ext[1];
 707         if (extlen != xlen + 2)
 708             return 0;
 709         return ssl_trace_list(bio, indent + 2, ext + 2, xlen, 2, ssl_groups_tbl);
 710     case TLSEXT_TYPE_application_layer_protocol_negotiation:
 711         if (extlen < 2)
 712             return 0;
 713         xlen = (ext[0] << 8) | ext[1];
 714         if (extlen != xlen + 2)
 715             return 0;
 716         ext += 2;
 717         while (xlen > 0) {
 718             size_t plen = *ext++;
 719
 720             if (plen > xlen + 1)
 721                 return 0;
 722             BIO_indent(bio, indent + 2, 80);
 723             BIO_write(bio, ext, plen);
 724             BIO_puts(bio, "\n");
 725             ext += plen;
 726             xlen -= plen + 1;
 727         }
 728         return 1;
 729
 730     case TLSEXT_TYPE_signature_algorithms:
 731
 732         if (extlen < 2)
 733             return 0;
 734         xlen = (ext[0] << 8) | ext[1];
 735         if (extlen != xlen + 2)
 736             return 0;
 737         if (xlen & 1)
 738             return 0;
 739         ext += 2;
 740         while (xlen > 0) {
 741             BIO_indent(bio, indent + 2, 80);
 742             sigalg = (ext[0] << 8) | ext[1];
 743             BIO_printf(bio, "%s (0x%04x)\n",
 744                        ssl_trace_str(sigalg, ssl_sigalg_tbl), sigalg);
 745             xlen -= 2;
 746             ext += 2;
 747         }
 748         break;
 749
 750     case TLSEXT_TYPE_renegotiate:
 751         if (extlen < 1)
 752             return 0;
 753         xlen = ext[0];
 754         if (xlen + 1 != extlen)
 755             return 0;
 756         ext++;
 757         if (xlen) {
 758             if (server) {
 759                 if (xlen & 1)
 760                     return 0;
 761                 xlen >>= 1;
 762             }
 763             ssl_print_hex(bio, indent + 4, "client_verify_data", ext, xlen);
 764             if (server) {
 765                 ext += xlen;
 766                 ssl_print_hex(bio, indent + 4, "server_verify_data", ext, xlen);
 767             }
 768         } else {
 769             BIO_indent(bio, indent + 4, 80);
 770             BIO_puts(bio, "<EMPTY>\n");
 771         }
 772         break;
 773
 774     case TLSEXT_TYPE_heartbeat:
 775         return 0;
 776
 777     case TLSEXT_TYPE_session_ticket:
 778         if (extlen != 0)
 779             ssl_print_hex(bio, indent + 4, "ticket", ext, extlen);
 780         break;
 781
 782     case TLSEXT_TYPE_key_share:
 783         if (mt == SSL3_MT_HELLO_RETRY_REQUEST) {
 784             int group_id;
 785
 786             if (extlen != 2)
 787                 return 0;
 788             group_id = (ext[0] << 8) | ext[1];
 789             BIO_indent(bio, indent + 4, 80);
 790             BIO_printf(bio, "NamedGroup: %s (%d)\n",
 791                        ssl_trace_str(group_id, ssl_groups_tbl), group_id);
 792             break;
 793         }
 794         if (extlen < 2)
 795             return 0;
 796         if (server) {
 797             xlen = extlen;
 798         } else {
 799             xlen = (ext[0] << 8) | ext[1];
 800             if (extlen != xlen + 2)
 801                 return 0;
 802             ext += 2;
 803         }
 804         for (; xlen > 0; ext += share_len, xlen -= share_len) {
 805             int group_id;
 806
 807             if (xlen < 4)
 808                 return 0;
 809             group_id = (ext[0] << 8) | ext[1];
 810             share_len = (ext[2] << 8) | ext[3];
 811             ext += 4;
 812             xlen -= 4;
 813             if (xlen < share_len)
 814                 return 0;
 815             BIO_indent(bio, indent + 4, 80);
 816             BIO_printf(bio, "NamedGroup: %s (%d)\n",
 817                        ssl_trace_str(group_id, ssl_groups_tbl), group_id);
 818             ssl_print_hex(bio, indent + 4, "key_exchange: ", ext, share_len);
 819         }
 820         break;
 821
 822     case TLSEXT_TYPE_supported_versions:
 823         if (extlen < 1)
 824             return 0;
 825         xlen = ext[0];
 826         if (extlen != xlen + 1)
 827             return 0;
 828         return ssl_trace_list(bio, indent + 2, ext + 1, xlen, 2,
 829                               ssl_version_tbl);
 830
 831     case TLSEXT_TYPE_psk_kex_modes:
 832         if (extlen < 1)
 833             return 0;
 834         xlen = ext[0];
 835         if (extlen != xlen + 1)
 836             return 0;
 837         return ssl_trace_list(bio, indent + 2, ext + 1, xlen, 1,
 838                               ssl_psk_kex_modes_tbl);
 839
 840     case TLSEXT_TYPE_early_data:
 841         if (mt != SSL3_MT_NEWSESSION_TICKET)
 842             break;
 843         if (extlen != 4)
 844             return 0;
 845         max_early_data = (ext[0] << 24) | (ext[1] << 16) | (ext[2] << 8)
 846                          | ext[3];
 847         BIO_indent(bio, indent + 2, 80);
 848         BIO_printf(bio, "max_early_data=%u\n", max_early_data);
 849         break;
 850
 851     default:
 852         BIO_dump_indent(bio, (const char *)ext, extlen, indent + 2);
 853     }
 854     return 1;
 855 }
 856
 857 static int ssl_print_extensions(BIO *bio, int indent, int server,
 858                                 unsigned char mt, const unsigned char **msgin,
 859                                 size_t *msginlen)
 860 {
 861     size_t extslen, msglen = *msginlen;
 862     const unsigned char *msg = *msgin;
 863
 864     BIO_indent(bio, indent, 80);
 865     if (msglen == 0) {
 866         BIO_puts(bio, "No Extensions\n");
 867         return 1;
 868     }
 869     extslen = (msg[0] << 8) | msg[1];
 870     if (extslen != msglen - 2)
 871         return 0;
 872     msg += 2;
 873     msglen = extslen;
 874     BIO_printf(bio, "extensions, length = %d\n", (int)msglen);
 875     while (msglen > 0) {
 876         int extype;
 877         size_t extlen;
 878         if (msglen < 4)
 879             return 0;
 880         extype = (msg[0] << 8) | msg[1];
 881         extlen = (msg[2] << 8) | msg[3];
 882         if (msglen < extlen + 4)
 883             return 0;
 884         msg += 4;
 885         if (!ssl_print_extension(bio, indent + 2, server, mt, extype, msg,
 886                                  extlen))
 887             return 0;
 888         msg += extlen;
 889         msglen -= extlen + 4;
 890     }
 891
 892     *msgin = msg;
 893     *msginlen = msglen;
 894     return 1;
 895 }
 896
 897 static int ssl_print_client_hello(BIO *bio, SSL *ssl, int indent,
 898                                   const unsigned char *msg, size_t msglen)
 899 {
 900     size_t len;
 901     unsigned int cs;
 902
 903     if (!ssl_print_version(bio, indent, "client_version", &msg, &msglen, NULL))
 904         return 0;
 905     if (!ssl_print_random(bio, indent, &msg, &msglen))
 906         return 0;
 907     if (!ssl_print_hexbuf(bio, indent, "session_id", 1, &msg, &msglen))
 908         return 0;
 909     if (SSL_IS_DTLS(ssl)) {
 910         if (!ssl_print_hexbuf(bio, indent, "cookie", 1, &msg, &msglen))
 911             return 0;
 912     }
 913     if (msglen < 2)
 914         return 0;
 915     len = (msg[0] << 8) | msg[1];
 916     msg += 2;
 917     msglen -= 2;
 918     BIO_indent(bio, indent, 80);
 919     BIO_printf(bio, "cipher_suites (len=%d)\n", (int)len);
 920     if (msglen < len || len & 1)
 921         return 0;
 922     while (len > 0) {
 923         cs = (msg[0] << 8) | msg[1];
 924         BIO_indent(bio, indent + 2, 80);
 925         BIO_printf(bio, "{0x%02X, 0x%02X} %s\n",
 926                    msg[0], msg[1], ssl_trace_str(cs, ssl_ciphers_tbl));
 927         msg += 2;
 928         msglen -= 2;
 929         len -= 2;
 930     }
 931     if (msglen < 1)
 932         return 0;
 933     len = msg[0];
 934     msg++;
 935     msglen--;
 936     if (msglen < len)
 937         return 0;
 938     BIO_indent(bio, indent, 80);
 939     BIO_printf(bio, "compression_methods (len=%d)\n", (int)len);
 940     while (len > 0) {
 941         BIO_indent(bio, indent + 2, 80);
 942         BIO_printf(bio, "%s (0x%02X)\n",
 943                    ssl_trace_str(msg[0], ssl_comp_tbl), msg[0]);
 944         msg++;
 945         msglen--;
 946         len--;
 947     }
 948     if (!ssl_print_extensions(bio, indent, 0, SSL3_MT_CLIENT_HELLO, &msg,
 949                               &msglen))
 950         return 0;
 951     return 1;
 952 }
 953
 954 static int dtls_print_hello_vfyrequest(BIO *bio, int indent,
 955                                        const unsigned char *msg, size_t msglen)
 956 {
 957     if (!ssl_print_version(bio, indent, "server_version", &msg, &msglen, NULL))
 958         return 0;
 959     if (!ssl_print_hexbuf(bio, indent, "cookie", 1, &msg, &msglen))
 960         return 0;
 961     return 1;
 962 }
 963
 964 static int ssl_print_server_hello(BIO *bio, int indent,
 965                                   const unsigned char *msg, size_t msglen)
 966 {
 967     unsigned int cs;
 968     unsigned int vers;
 969
 970     if (!ssl_print_version(bio, indent, "server_version", &msg, &msglen, &vers))
 971         return 0;
 972     if (!ssl_print_random(bio, indent, &msg, &msglen))
 973         return 0;
 974     if (vers != TLS1_3_VERSION
 975             && !ssl_print_hexbuf(bio, indent, "session_id", 1, &msg, &msglen))
 976         return 0;
 977     if (msglen < 2)
 978         return 0;
 979     cs = (msg[0] << 8) | msg[1];
 980     BIO_indent(bio, indent, 80);
 981     BIO_printf(bio, "cipher_suite {0x%02X, 0x%02X} %s\n",
 982                msg[0], msg[1], ssl_trace_str(cs, ssl_ciphers_tbl));
 983     msg += 2;
 984     msglen -= 2;
 985     if (vers != TLS1_3_VERSION) {
 986         if (msglen < 1)
 987             return 0;
 988         BIO_indent(bio, indent, 80);
 989         BIO_printf(bio, "compression_method: %s (0x%02X)\n",
 990                    ssl_trace_str(msg[0], ssl_comp_tbl), msg[0]);
 991         msg++;
 992         msglen--;
 993     }
 994     if (!ssl_print_extensions(bio, indent, 1, SSL3_MT_SERVER_HELLO, &msg,
 995                               &msglen))
 996         return 0;
 997     return 1;
 998 }
 999
1000 static int ssl_print_hello_retry_request(BIO *bio, int indent,
1001                                          const unsigned char *msg,
1002                                          size_t msglen)
1003 {
1004     unsigned int cs;
1005
1006     if (!ssl_print_version(bio, indent, "server_version", &msg, &msglen, NULL))
1007         return 0;
1008
1009     cs = (msg[0] << 8) | msg[1];
1010     BIO_indent(bio, indent, 80);
1011     BIO_printf(bio, "cipher_suite {0x%02X, 0x%02X} %s\n",
1012                msg[0], msg[1], ssl_trace_str(cs, ssl_ciphers_tbl));
1013     msg += 2;
1014     msglen -= 2;
1015
1016     if (!ssl_print_extensions(bio, indent, 1, SSL3_MT_HELLO_RETRY_REQUEST, &msg,
1017                               &msglen))
1018         return 0;
1019
1020     return 1;
1021 }
1022
1023 static int ssl_get_keyex(const char **pname, SSL *ssl)
1024 {
1025     unsigned long alg_k = ssl->s3->tmp.new_cipher->algorithm_mkey;
1026
1027     if (alg_k & SSL_kRSA) {
1028         *pname = "rsa";
1029         return SSL_kRSA;
1030     }
1031     if (alg_k & SSL_kDHE) {
1032         *pname = "DHE";
1033         return SSL_kDHE;
1034     }
1035     if (alg_k & SSL_kECDHE) {
1036         *pname = "ECDHE";
1037         return SSL_kECDHE;
1038     }
1039     if (alg_k & SSL_kPSK) {
1040         *pname = "PSK";
1041         return SSL_kPSK;
1042     }
1043     if (alg_k & SSL_kRSAPSK) {
1044         *pname = "RSAPSK";
1045         return SSL_kRSAPSK;
1046     }
1047     if (alg_k & SSL_kDHEPSK) {
1048         *pname = "DHEPSK";
1049         return SSL_kDHEPSK;
1050     }
1051     if (alg_k & SSL_kECDHEPSK) {
1052         *pname = "ECDHEPSK";
1053         return SSL_kECDHEPSK;
1054     }
1055     if (alg_k & SSL_kSRP) {
1056         *pname = "SRP";
1057         return SSL_kSRP;
1058     }
1059     if (alg_k & SSL_kGOST) {
1060         *pname = "GOST";
1061         return SSL_kGOST;
1062     }
1063     *pname = "UNKNOWN";
1064     return 0;
1065 }
1066
1067 static int ssl_print_client_keyex(BIO *bio, int indent, SSL *ssl,
1068                                   const unsigned char *msg, size_t msglen)
1069 {
1070     const char *algname;
1071     int id = ssl_get_keyex(&algname, ssl);
1072
1073     BIO_indent(bio, indent, 80);
1074     BIO_printf(bio, "KeyExchangeAlgorithm=%s\n", algname);
1075     if (id & SSL_PSK) {
1076         if (!ssl_print_hexbuf(bio, indent + 2,
1077                               "psk_identity", 2, &msg, &msglen))
1078             return 0;
1079     }
1080     switch (id) {
1081
1082     case SSL_kRSA:
1083     case SSL_kRSAPSK:
1084         if (TLS1_get_version(ssl) == SSL3_VERSION) {
1085             ssl_print_hex(bio, indent + 2,
1086                           "EncyptedPreMasterSecret", msg, msglen);
1087         } else {
1088             if (!ssl_print_hexbuf(bio, indent + 2,
1089                                   "EncyptedPreMasterSecret", 2, &msg, &msglen))
1090                 return 0;
1091         }
1092         break;
1093
1094     case SSL_kDHE:
1095     case SSL_kDHEPSK:
1096         if (!ssl_print_hexbuf(bio, indent + 2, "dh_Yc", 2, &msg, &msglen))
1097             return 0;
1098         break;
1099
1100     case SSL_kECDHE:
1101     case SSL_kECDHEPSK:
1102         if (!ssl_print_hexbuf(bio, indent + 2, "ecdh_Yc", 1, &msg, &msglen))
1103             return 0;
1104         break;
1105
1106     }
1107
1108     return !msglen;
1109 }
1110
1111 static int ssl_print_server_keyex(BIO *bio, int indent, SSL *ssl,
1112                                   const unsigned char *msg, size_t msglen)
1113 {
1114     const char *algname;
1115     int id = ssl_get_keyex(&algname, ssl);
1116
1117     BIO_indent(bio, indent, 80);
1118     BIO_printf(bio, "KeyExchangeAlgorithm=%s\n", algname);
1119     if (id & SSL_PSK) {
1120         if (!ssl_print_hexbuf(bio, indent + 2,
1121                               "psk_identity_hint", 2, &msg, &msglen))
1122             return 0;
1123     }
1124     switch (id) {
1125     case SSL_kRSA:
1126
1127         if (!ssl_print_hexbuf(bio, indent + 2, "rsa_modulus", 2, &msg, &msglen))
1128             return 0;
1129         if (!ssl_print_hexbuf(bio, indent + 2, "rsa_exponent", 2,
1130                               &msg, &msglen))
1131             return 0;
1132         break;
1133
1134     case SSL_kDHE:
1135     case SSL_kDHEPSK:
1136         if (!ssl_print_hexbuf(bio, indent + 2, "dh_p", 2, &msg, &msglen))
1137             return 0;
1138         if (!ssl_print_hexbuf(bio, indent + 2, "dh_g", 2, &msg, &msglen))
1139             return 0;
1140         if (!ssl_print_hexbuf(bio, indent + 2, "dh_Ys", 2, &msg, &msglen))
1141             return 0;
1142         break;
1143
1144 # ifndef OPENSSL_NO_EC
1145     case SSL_kECDHE:
1146     case SSL_kECDHEPSK:
1147         if (msglen < 1)
1148             return 0;
1149         BIO_indent(bio, indent + 2, 80);
1150         if (msg[0] == EXPLICIT_PRIME_CURVE_TYPE)
1151             BIO_puts(bio, "explicit_prime\n");
1152         else if (msg[0] == EXPLICIT_CHAR2_CURVE_TYPE)
1153             BIO_puts(bio, "explicit_char2\n");
1154         else if (msg[0] == NAMED_CURVE_TYPE) {
1155             int curve;
1156             if (msglen < 3)
1157                 return 0;
1158             curve = (msg[1] << 8) | msg[2];
1159             BIO_printf(bio, "named_curve: %s (%d)\n",
1160                        ssl_trace_str(curve, ssl_groups_tbl), curve);
1161             msg += 3;
1162             msglen -= 3;
1163             if (!ssl_print_hexbuf(bio, indent + 2, "point", 1, &msg, &msglen))
1164                 return 0;
1165         } else {
1166             BIO_printf(bio, "UNKNOWN CURVE PARAMETER TYPE %d\n", msg[0]);
1167             return 0;
1168         }
1169         break;
1170 # endif
1171
1172     case SSL_kPSK:
1173     case SSL_kRSAPSK:
1174         break;
1175     }
1176     if (!(id & SSL_PSK))
1177         ssl_print_signature(bio, indent, ssl, &msg, &msglen);
1178     return !msglen;
1179 }
1180
1181 static int ssl_print_certificate(BIO *bio, int indent,
1182                                  const unsigned char **pmsg, size_t *pmsglen)
1183 {
1184     size_t msglen = *pmsglen;
1185     size_t clen;
1186     X509 *x;
1187     const unsigned char *p = *pmsg, *q;
1188
1189     if (msglen < 3)
1190         return 0;
1191     clen = (p[0] << 16) | (p[1] << 8) | p[2];
1192     if (msglen < clen + 3)
1193         return 0;
1194     q = p + 3;
1195     BIO_indent(bio, indent, 80);
1196     BIO_printf(bio, "ASN.1Cert, length=%d", (int)clen);
1197     x = d2i_X509(NULL, &q, clen);
1198     if (!x)
1199         BIO_puts(bio, "<UNPARSEABLE CERTIFICATE>\n");
1200     else {
1201         BIO_puts(bio, "\n------details-----\n");
1202         X509_print_ex(bio, x, XN_FLAG_ONELINE, 0);
1203         PEM_write_bio_X509(bio, x);
1204         /* Print certificate stuff */
1205         BIO_puts(bio, "------------------\n");
1206         X509_free(x);
1207     }
1208     if (q != p + 3 + clen) {
1209         BIO_puts(bio, "<TRAILING GARBAGE AFTER CERTIFICATE>\n");
1210     }
1211     *pmsg += clen + 3;
1212     *pmsglen -= clen + 3;
1213     return 1;
1214 }
1215
1216 static int ssl_print_certificates(BIO *bio, SSL *s, int server, int indent,
1217                                   const unsigned char *msg, size_t msglen)
1218 {
1219     size_t clen;
1220
1221     if (SSL_IS_TLS13(s)
1222             && !ssl_print_hexbuf(bio, indent, "context", 1, &msg, &msglen))
1223         return 0;
1224
1225     if (msglen < 3)
1226         return 0;
1227     clen = (msg[0] << 16) | (msg[1] << 8) | msg[2];
1228     if (msglen != clen + 3)
1229         return 0;
1230     msg += 3;
1231     BIO_indent(bio, indent, 80);
1232     BIO_printf(bio, "certificate_list, length=%d\n", (int)clen);
1233     while (clen > 0) {
1234         if (!ssl_print_certificate(bio, indent + 2, &msg, &clen))
1235             return 0;
1236         if (!ssl_print_extensions(bio, indent + 2, server, SSL3_MT_CERTIFICATE,
1237                                   &msg, &clen))
1238             return 0;
1239
1240     }
1241     return 1;
1242 }
1243
1244 static int ssl_print_cert_request(BIO *bio, int indent, SSL *s,
1245                                   const unsigned char *msg, size_t msglen)
1246 {
1247     size_t xlen;
1248     unsigned int sigalg;
1249
1250     if (SSL_IS_TLS13(s)) {
1251         if (!ssl_print_hexbuf(bio, indent, "request_context", 1, &msg, &msglen))
1252             return 0;
1253     } else {
1254         if (msglen < 1)
1255             return 0;
1256         xlen = msg[0];
1257         if (msglen < xlen + 1)
1258             return 0;
1259         msg++;
1260         BIO_indent(bio, indent, 80);
1261         BIO_printf(bio, "certificate_types (len=%d)\n", (int)xlen);
1262         if (!ssl_trace_list(bio, indent + 2, msg, xlen, 1, ssl_ctype_tbl))
1263             return 0;
1264         msg += xlen;
1265         msglen -= xlen + 1;
1266     }
1267     if (SSL_USE_SIGALGS(s)) {
1268         if (msglen < 2)
1269             return 0;
1270         xlen = (msg[0] << 8) | msg[1];
1271         if (msglen < xlen + 2 || (xlen & 1))
1272             return 0;
1273         msg += 2;
1274         msglen -= xlen + 2;
1275         BIO_indent(bio, indent, 80);
1276         BIO_printf(bio, "signature_algorithms (len=%d)\n", (int)xlen);
1277         while (xlen > 0) {
1278             BIO_indent(bio, indent + 2, 80);
1279             sigalg = (msg[0] << 8) | msg[1];
1280             BIO_printf(bio, "%s (0x%04x)\n",
1281                        ssl_trace_str(sigalg, ssl_sigalg_tbl), sigalg);
1282             xlen -= 2;
1283             msg += 2;
1284         }
1285         msg += xlen;
1286     }
1287
1288     xlen = (msg[0] << 8) | msg[1];
1289     BIO_indent(bio, indent, 80);
1290     if (msglen < xlen + 2)
1291         return 0;
1292     msg += 2;
1293     msglen -= 2 + xlen;
1294     BIO_printf(bio, "certificate_authorities (len=%d)\n", (int)xlen);
1295     while (xlen > 0) {
1296         size_t dlen;
1297         X509_NAME *nm;
1298         const unsigned char *p;
1299         if (xlen < 2)
1300             return 0;
1301         dlen = (msg[0] << 8) | msg[1];
1302         if (xlen < dlen + 2)
1303             return 0;
1304         msg += 2;
1305         BIO_indent(bio, indent + 2, 80);
1306         BIO_printf(bio, "DistinguishedName (len=%d): ", (int)dlen);
1307         p = msg;
1308         nm = d2i_X509_NAME(NULL, &p, dlen);
1309         if (!nm) {
1310             BIO_puts(bio, "<UNPARSEABLE DN>\n");
1311         } else {
1312             X509_NAME_print_ex(bio, nm, 0, XN_FLAG_ONELINE);
1313             BIO_puts(bio, "\n");
1314             X509_NAME_free(nm);
1315         }
1316         xlen -= dlen + 2;
1317         msg += dlen;
1318     }
1319     if (SSL_IS_TLS13(s)) {
1320          if (!ssl_print_hexbuf(bio, indent, "request_extensions", 2,
1321                                &msg, &msglen))
1322         return 0;
1323     }
1324     return msglen == 0;
1325 }
1326
1327 static int ssl_print_ticket(BIO *bio, int indent, SSL *s,
1328                             const unsigned char *msg, size_t msglen)
1329 {
1330     unsigned int tick_life;
1331
1332     if (msglen == 0) {
1333         BIO_indent(bio, indent + 2, 80);
1334         BIO_puts(bio, "No Ticket\n");
1335         return 1;
1336     }
1337     if (msglen < 4)
1338         return 0;
1339     tick_life = (msg[0] << 24) | (msg[1] << 16) | (msg[2] << 8) | msg[3];
1340     msglen -= 4;
1341     msg += 4;
1342     BIO_indent(bio, indent + 2, 80);
1343     BIO_printf(bio, "ticket_lifetime_hint=%u\n", tick_life);
1344     if (SSL_IS_TLS13(s)) {
1345         unsigned int ticket_age_add;
1346
1347         if (msglen < 4)
1348             return 0;
1349         ticket_age_add = (msg[0] << 24) | (msg[1] << 16) | (msg[2] << 8)
1350                           | msg[3];
1351         msglen -= 4;
1352         msg += 4;
1353         BIO_indent(bio, indent + 2, 80);
1354         BIO_printf(bio, "ticket_age_add=%u\n", ticket_age_add);
1355     }
1356     if (!ssl_print_hexbuf(bio, indent + 2, "ticket", 2, &msg, &msglen))
1357         return 0;
1358     if (SSL_IS_TLS13(s) && !ssl_print_extensions(bio, indent + 2, 0,
1359                                                  SSL3_MT_NEWSESSION_TICKET,
1360                                                  &msg, &msglen))
1361         return 0;
1362     if (msglen)
1363         return 0;
1364     return 1;
1365 }
1366
1367 static int ssl_print_handshake(BIO *bio, SSL *ssl, int server,
1368                                const unsigned char *msg, size_t msglen,
1369                                int indent)
1370 {
1371     size_t hlen;
1372     unsigned char htype;
1373
1374     if (msglen < 4)
1375         return 0;
1376     htype = msg[0];
1377     hlen = (msg[1] << 16) | (msg[2] << 8) | msg[3];
1378     BIO_indent(bio, indent, 80);
1379     BIO_printf(bio, "%s, Length=%d\n",
1380                ssl_trace_str(htype, ssl_handshake_tbl), (int)hlen);
1381     msg += 4;
1382     msglen -= 4;
1383     if (SSL_IS_DTLS(ssl)) {
1384         if (msglen < 8)
1385             return 0;
1386         BIO_indent(bio, indent, 80);
1387         BIO_printf(bio, "message_seq=%d, fragment_offset=%d, "
1388                    "fragment_length=%d\n",
1389                    (msg[0] << 8) | msg[1],
1390                    (msg[2] << 16) | (msg[3] << 8) | msg[4],
1391                    (msg[5] << 16) | (msg[6] << 8) | msg[7]);
1392         msg += 8;
1393         msglen -= 8;
1394     }
1395     if (msglen < hlen)
1396         return 0;
1397     switch (htype) {
1398     case SSL3_MT_CLIENT_HELLO:
1399         if (!ssl_print_client_hello(bio, ssl, indent + 2, msg, msglen))
1400             return 0;
1401         break;
1402
1403     case DTLS1_MT_HELLO_VERIFY_REQUEST:
1404         if (!dtls_print_hello_vfyrequest(bio, indent + 2, msg, msglen))
1405             return 0;
1406         break;
1407
1408     case SSL3_MT_SERVER_HELLO:
1409         if (!ssl_print_server_hello(bio, indent + 2, msg, msglen))
1410             return 0;
1411         break;
1412
1413     case SSL3_MT_SERVER_KEY_EXCHANGE:
1414         if (!ssl_print_server_keyex(bio, indent + 2, ssl, msg, msglen))
1415             return 0;
1416         break;
1417
1418     case SSL3_MT_CLIENT_KEY_EXCHANGE:
1419         if (!ssl_print_client_keyex(bio, indent + 2, ssl, msg, msglen))
1420             return 0;
1421         break;
1422
1423     case SSL3_MT_CERTIFICATE:
1424         if (!ssl_print_certificates(bio, ssl, server, indent + 2, msg, msglen))
1425             return 0;
1426         break;
1427
1428     case SSL3_MT_CERTIFICATE_VERIFY:
1429         if (!ssl_print_signature(bio, indent + 2, ssl, &msg, &msglen))
1430             return 0;
1431         break;
1432
1433     case SSL3_MT_CERTIFICATE_REQUEST:
1434         if (!ssl_print_cert_request(bio, indent + 2, ssl, msg, msglen))
1435             return 0;
1436         break;
1437
1438     case SSL3_MT_FINISHED:
1439         ssl_print_hex(bio, indent + 2, "verify_data", msg, msglen);
1440         break;
1441
1442     case SSL3_MT_SERVER_DONE:
1443         if (msglen != 0)
1444             ssl_print_hex(bio, indent + 2, "unexpected value", msg, msglen);
1445         break;
1446
1447     case SSL3_MT_NEWSESSION_TICKET:
1448         if (!ssl_print_ticket(bio, indent + 2, ssl, msg, msglen))
1449             return 0;
1450         break;
1451
1452     case SSL3_MT_HELLO_RETRY_REQUEST:
1453         if (!ssl_print_hello_retry_request(bio, indent + 2, msg, msglen))
1454             return 0;
1455         break;
1456
1457     case SSL3_MT_ENCRYPTED_EXTENSIONS:
1458         if (!ssl_print_extensions(bio, indent + 2, 1,
1459                                   SSL3_MT_ENCRYPTED_EXTENSIONS, &msg, &msglen))
1460             return 0;
1461         break;
1462
1463     case SSL3_MT_KEY_UPDATE:
1464         if (msglen != 1) {
1465             ssl_print_hex(bio, indent + 2, "unexpected value", msg, msglen);
1466             return 0;
1467         }
1468         if (!ssl_trace_list(bio, indent + 2, msg, msglen, 1,
1469                             ssl_key_update_tbl))
1470             return 0;
1471         break;
1472
1473     default:
1474         BIO_indent(bio, indent + 2, 80);
1475         BIO_puts(bio, "Unsupported, hex dump follows:\n");
1476         BIO_dump_indent(bio, (const char *)msg, msglen, indent + 4);
1477     }
1478     return 1;
1479 }
1480
1481 const char *SSL_CIPHER_standard_name(const SSL_CIPHER *c)
1482 {
1483     return ssl_trace_str(c->id & 0xFFFF, ssl_ciphers_tbl);
1484 }
1485
1486 void SSL_trace(int write_p, int version, int content_type,
1487                const void *buf, size_t msglen, SSL *ssl, void *arg)
1488 {
1489     const unsigned char *msg = buf;
1490     BIO *bio = arg;
1491
1492     if (write_p == 2) {
1493         BIO_puts(bio, "Session ");
1494         ssl_print_hex(bio, 0,
1495                       ssl_trace_str(content_type, ssl_crypto_tbl), msg, msglen);
1496         return;
1497     }
1498     switch (content_type) {
1499     case SSL3_RT_HEADER:
1500         {
1501             int hvers = msg[1] << 8 | msg[2];
1502             BIO_puts(bio, write_p ? "Sent" : "Received");
1503             BIO_printf(bio, " Record\nHeader:\n  Version = %s (0x%x)\n",
1504                        ssl_trace_str(hvers, ssl_version_tbl), hvers);
1505             if (SSL_IS_DTLS(ssl)) {
1506                 BIO_printf(bio,
1507                            "  epoch=%d, sequence_number=%04x%04x%04x\n",
1508                            (msg[3] << 8 | msg[4]),
1509                            (msg[5] << 8 | msg[6]),
1510                            (msg[7] << 8 | msg[8]), (msg[9] << 8 | msg[10]));
1511             }
1512
1513             BIO_printf(bio, "  Content Type = %s (%d)\n  Length = %d",
1514                        ssl_trace_str(msg[0], ssl_content_tbl), msg[0],
1515                        msg[msglen - 2] << 8 | msg[msglen - 1]);
1516         }
1517         break;
1518     case SSL3_RT_HANDSHAKE:
1519         if (!ssl_print_handshake(bio, ssl, ssl->server ? write_p : !write_p,
1520                                  msg, msglen, 4))
1521             BIO_printf(bio, "Message length parse error!\n");
1522         break;
1523
1524     case SSL3_RT_CHANGE_CIPHER_SPEC:
1525         if (msglen == 1 && msg[0] == 1)
1526             BIO_puts(bio, "    change_cipher_spec (1)\n");
1527         else
1528             ssl_print_hex(bio, 4, "unknown value", msg, msglen);
1529         break;
1530
1531     case SSL3_RT_ALERT:
1532         if (msglen != 2)
1533             BIO_puts(bio, "    Illegal Alert Length\n");
1534         else {
1535             BIO_printf(bio, "    Level=%s(%d), description=%s(%d)\n",
1536                        SSL_alert_type_string_long(msg[0] << 8),
1537                        msg[0], SSL_alert_desc_string_long(msg[1]), msg[1]);
1538         }
1539
1540     }
1541
1542     BIO_puts(bio, "\n");
1543 }
1544
1545 #endif