ssl/t1_trce.c

   1 /*
   2  * Copyright 2012-2020 The OpenSSL Project Authors. All Rights Reserved.
   3  *
   4  * Licensed under the Apache License 2.0 (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_local.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, const ssl_trace_tbl *tbl,
  29                                     size_t ntbl)
  30 {
  31     size_t i;
  32
  33     for (i = 0; i < ntbl; i++, tbl++) {
  34         if (tbl->num == val)
  35             return tbl->name;
  36     }
  37     return "UNKNOWN";
  38 }
  39
  40 static int do_ssl_trace_list(BIO *bio, int indent,
  41                              const unsigned char *msg, size_t msglen,
  42                              size_t vlen, const ssl_trace_tbl *tbl, size_t ntbl)
  43 {
  44     int val;
  45
  46     if (msglen % vlen)
  47         return 0;
  48     while (msglen) {
  49         val = msg[0];
  50         if (vlen == 2)
  51             val = (val << 8) | msg[1];
  52         BIO_indent(bio, indent, 80);
  53         BIO_printf(bio, "%s (%d)\n", do_ssl_trace_str(val, tbl, ntbl), val);
  54         msg += vlen;
  55         msglen -= vlen;
  56     }
  57     return 1;
  58 }
  59
  60 /* Version number */
  61
  62 static const ssl_trace_tbl ssl_version_tbl[] = {
  63     {SSL3_VERSION, "SSL 3.0"},
  64     {TLS1_VERSION, "TLS 1.0"},
  65     {TLS1_1_VERSION, "TLS 1.1"},
  66     {TLS1_2_VERSION, "TLS 1.2"},
  67     {TLS1_3_VERSION, "TLS 1.3"},
  68     {DTLS1_VERSION, "DTLS 1.0"},
  69     {DTLS1_2_VERSION, "DTLS 1.2"},
  70     {DTLS1_BAD_VER, "DTLS 1.0 (bad)"}
  71 };
  72
  73 static const ssl_trace_tbl ssl_content_tbl[] = {
  74     {SSL3_RT_CHANGE_CIPHER_SPEC, "ChangeCipherSpec"},
  75     {SSL3_RT_ALERT, "Alert"},
  76     {SSL3_RT_HANDSHAKE, "Handshake"},
  77     {SSL3_RT_APPLICATION_DATA, "ApplicationData"},
  78 };
  79
  80 /* Handshake types, sorted by ascending id  */
  81 static const ssl_trace_tbl ssl_handshake_tbl[] = {
  82     {SSL3_MT_HELLO_REQUEST, "HelloRequest"},
  83     {SSL3_MT_CLIENT_HELLO, "ClientHello"},
  84     {SSL3_MT_SERVER_HELLO, "ServerHello"},
  85     {DTLS1_MT_HELLO_VERIFY_REQUEST, "HelloVerifyRequest"},
  86     {SSL3_MT_NEWSESSION_TICKET, "NewSessionTicket"},
  87     {SSL3_MT_END_OF_EARLY_DATA, "EndOfEarlyData"},
  88     {SSL3_MT_ENCRYPTED_EXTENSIONS, "EncryptedExtensions"},
  89     {SSL3_MT_CERTIFICATE, "Certificate"},
  90     {SSL3_MT_SERVER_KEY_EXCHANGE, "ServerKeyExchange"},
  91     {SSL3_MT_CERTIFICATE_REQUEST, "CertificateRequest"},
  92     {SSL3_MT_SERVER_DONE, "ServerHelloDone"},
  93     {SSL3_MT_CERTIFICATE_VERIFY, "CertificateVerify"},
  94     {SSL3_MT_CLIENT_KEY_EXCHANGE, "ClientKeyExchange"},
  95     {SSL3_MT_FINISHED, "Finished"},
  96     {SSL3_MT_CERTIFICATE_URL, "CertificateUrl"},
  97     {SSL3_MT_CERTIFICATE_STATUS, "CertificateStatus"},
  98     {SSL3_MT_SUPPLEMENTAL_DATA, "SupplementalData"},
  99     {SSL3_MT_KEY_UPDATE, "KeyUpdate"},
 100 # ifndef OPENSSL_NO_NEXTPROTONEG
 101     {SSL3_MT_NEXT_PROTO, "NextProto"},
 102 # endif
 103     {SSL3_MT_MESSAGE_HASH, "MessageHash"}
 104 };
 105
 106 /* Cipher suites */
 107 static const ssl_trace_tbl ssl_ciphers_tbl[] = {
 108     {0x0000, "TLS_NULL_WITH_NULL_NULL"},
 109     {0x0001, "TLS_RSA_WITH_NULL_MD5"},
 110     {0x0002, "TLS_RSA_WITH_NULL_SHA"},
 111     {0x0003, "TLS_RSA_EXPORT_WITH_RC4_40_MD5"},
 112     {0x0004, "TLS_RSA_WITH_RC4_128_MD5"},
 113     {0x0005, "TLS_RSA_WITH_RC4_128_SHA"},
 114     {0x0006, "TLS_RSA_EXPORT_WITH_RC2_CBC_40_MD5"},
 115     {0x0007, "TLS_RSA_WITH_IDEA_CBC_SHA"},
 116     {0x0008, "TLS_RSA_EXPORT_WITH_DES40_CBC_SHA"},
 117     {0x0009, "TLS_RSA_WITH_DES_CBC_SHA"},
 118     {0x000A, "TLS_RSA_WITH_3DES_EDE_CBC_SHA"},
 119     {0x000B, "TLS_DH_DSS_EXPORT_WITH_DES40_CBC_SHA"},
 120     {0x000C, "TLS_DH_DSS_WITH_DES_CBC_SHA"},
 121     {0x000D, "TLS_DH_DSS_WITH_3DES_EDE_CBC_SHA"},
 122     {0x000E, "TLS_DH_RSA_EXPORT_WITH_DES40_CBC_SHA"},
 123     {0x000F, "TLS_DH_RSA_WITH_DES_CBC_SHA"},
 124     {0x0010, "TLS_DH_RSA_WITH_3DES_EDE_CBC_SHA"},
 125     {0x0011, "TLS_DHE_DSS_EXPORT_WITH_DES40_CBC_SHA"},
 126     {0x0012, "TLS_DHE_DSS_WITH_DES_CBC_SHA"},
 127     {0x0013, "TLS_DHE_DSS_WITH_3DES_EDE_CBC_SHA"},
 128     {0x0014, "TLS_DHE_RSA_EXPORT_WITH_DES40_CBC_SHA"},
 129     {0x0015, "TLS_DHE_RSA_WITH_DES_CBC_SHA"},
 130     {0x0016, "TLS_DHE_RSA_WITH_3DES_EDE_CBC_SHA"},
 131     {0x0017, "TLS_DH_anon_EXPORT_WITH_RC4_40_MD5"},
 132     {0x0018, "TLS_DH_anon_WITH_RC4_128_MD5"},
 133     {0x0019, "TLS_DH_anon_EXPORT_WITH_DES40_CBC_SHA"},
 134     {0x001A, "TLS_DH_anon_WITH_DES_CBC_SHA"},
 135     {0x001B, "TLS_DH_anon_WITH_3DES_EDE_CBC_SHA"},
 136     {0x001D, "SSL_FORTEZZA_KEA_WITH_FORTEZZA_CBC_SHA"},
 137     {0x001E, "SSL_FORTEZZA_KEA_WITH_RC4_128_SHA"},
 138     {0x001F, "TLS_KRB5_WITH_3DES_EDE_CBC_SHA"},
 139     {0x0020, "TLS_KRB5_WITH_RC4_128_SHA"},
 140     {0x0021, "TLS_KRB5_WITH_IDEA_CBC_SHA"},
 141     {0x0022, "TLS_KRB5_WITH_DES_CBC_MD5"},
 142     {0x0023, "TLS_KRB5_WITH_3DES_EDE_CBC_MD5"},
 143     {0x0024, "TLS_KRB5_WITH_RC4_128_MD5"},
 144     {0x0025, "TLS_KRB5_WITH_IDEA_CBC_MD5"},
 145     {0x0026, "TLS_KRB5_EXPORT_WITH_DES_CBC_40_SHA"},
 146     {0x0027, "TLS_KRB5_EXPORT_WITH_RC2_CBC_40_SHA"},
 147     {0x0028, "TLS_KRB5_EXPORT_WITH_RC4_40_SHA"},
 148     {0x0029, "TLS_KRB5_EXPORT_WITH_DES_CBC_40_MD5"},
 149     {0x002A, "TLS_KRB5_EXPORT_WITH_RC2_CBC_40_MD5"},
 150     {0x002B, "TLS_KRB5_EXPORT_WITH_RC4_40_MD5"},
 151     {0x002C, "TLS_PSK_WITH_NULL_SHA"},
 152     {0x002D, "TLS_DHE_PSK_WITH_NULL_SHA"},
 153     {0x002E, "TLS_RSA_PSK_WITH_NULL_SHA"},
 154     {0x002F, "TLS_RSA_WITH_AES_128_CBC_SHA"},
 155     {0x0030, "TLS_DH_DSS_WITH_AES_128_CBC_SHA"},
 156     {0x0031, "TLS_DH_RSA_WITH_AES_128_CBC_SHA"},
 157     {0x0032, "TLS_DHE_DSS_WITH_AES_128_CBC_SHA"},
 158     {0x0033, "TLS_DHE_RSA_WITH_AES_128_CBC_SHA"},
 159     {0x0034, "TLS_DH_anon_WITH_AES_128_CBC_SHA"},
 160     {0x0035, "TLS_RSA_WITH_AES_256_CBC_SHA"},
 161     {0x0036, "TLS_DH_DSS_WITH_AES_256_CBC_SHA"},
 162     {0x0037, "TLS_DH_RSA_WITH_AES_256_CBC_SHA"},
 163     {0x0038, "TLS_DHE_DSS_WITH_AES_256_CBC_SHA"},
 164     {0x0039, "TLS_DHE_RSA_WITH_AES_256_CBC_SHA"},
 165     {0x003A, "TLS_DH_anon_WITH_AES_256_CBC_SHA"},
 166     {0x003B, "TLS_RSA_WITH_NULL_SHA256"},
 167     {0x003C, "TLS_RSA_WITH_AES_128_CBC_SHA256"},
 168     {0x003D, "TLS_RSA_WITH_AES_256_CBC_SHA256"},
 169     {0x003E, "TLS_DH_DSS_WITH_AES_128_CBC_SHA256"},
 170     {0x003F, "TLS_DH_RSA_WITH_AES_128_CBC_SHA256"},
 171     {0x0040, "TLS_DHE_DSS_WITH_AES_128_CBC_SHA256"},
 172     {0x0041, "TLS_RSA_WITH_CAMELLIA_128_CBC_SHA"},
 173     {0x0042, "TLS_DH_DSS_WITH_CAMELLIA_128_CBC_SHA"},
 174     {0x0043, "TLS_DH_RSA_WITH_CAMELLIA_128_CBC_SHA"},
 175     {0x0044, "TLS_DHE_DSS_WITH_CAMELLIA_128_CBC_SHA"},
 176     {0x0045, "TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA"},
 177     {0x0046, "TLS_DH_anon_WITH_CAMELLIA_128_CBC_SHA"},
 178     {0x0067, "TLS_DHE_RSA_WITH_AES_128_CBC_SHA256"},
 179     {0x0068, "TLS_DH_DSS_WITH_AES_256_CBC_SHA256"},
 180     {0x0069, "TLS_DH_RSA_WITH_AES_256_CBC_SHA256"},
 181     {0x006A, "TLS_DHE_DSS_WITH_AES_256_CBC_SHA256"},
 182     {0x006B, "TLS_DHE_RSA_WITH_AES_256_CBC_SHA256"},
 183     {0x006C, "TLS_DH_anon_WITH_AES_128_CBC_SHA256"},
 184     {0x006D, "TLS_DH_anon_WITH_AES_256_CBC_SHA256"},
 185     {0x0081, "TLS_GOSTR341001_WITH_28147_CNT_IMIT"},
 186     {0x0083, "TLS_GOSTR341001_WITH_NULL_GOSTR3411"},
 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     {0xC102, "IANA-GOST2012-GOST8912-GOST8912"},
 431     {0xCCA8, "TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256"},
 432     {0xCCA9, "TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256"},
 433     {0xCCAA, "TLS_DHE_RSA_WITH_CHACHA20_POLY1305_SHA256"},
 434     {0xCCAB, "TLS_PSK_WITH_CHACHA20_POLY1305_SHA256"},
 435     {0xCCAC, "TLS_ECDHE_PSK_WITH_CHACHA20_POLY1305_SHA256"},
 436     {0xCCAD, "TLS_DHE_PSK_WITH_CHACHA20_POLY1305_SHA256"},
 437     {0xCCAE, "TLS_RSA_PSK_WITH_CHACHA20_POLY1305_SHA256"},
 438     {0x1301, "TLS_AES_128_GCM_SHA256"},
 439     {0x1302, "TLS_AES_256_GCM_SHA384"},
 440     {0x1303, "TLS_CHACHA20_POLY1305_SHA256"},
 441     {0x1304, "TLS_AES_128_CCM_SHA256"},
 442     {0x1305, "TLS_AES_128_CCM_8_SHA256"},
 443     {0xFEFE, "SSL_RSA_FIPS_WITH_DES_CBC_SHA"},
 444     {0xFEFF, "SSL_RSA_FIPS_WITH_3DES_EDE_CBC_SHA"},
 445     {0xFF85, "LEGACY-GOST2012-GOST8912-GOST8912"},
 446     {0xFF87, "GOST2012-NULL-GOST12"},
 447 };
 448
 449 /* Compression methods */
 450 static const ssl_trace_tbl ssl_comp_tbl[] = {
 451     {0x0000, "No Compression"},
 452     {0x0001, "Zlib Compression"}
 453 };
 454
 455 /* Extensions sorted by ascending id */
 456 static const ssl_trace_tbl ssl_exts_tbl[] = {
 457     {TLSEXT_TYPE_server_name, "server_name"},
 458     {TLSEXT_TYPE_max_fragment_length, "max_fragment_length"},
 459     {TLSEXT_TYPE_client_certificate_url, "client_certificate_url"},
 460     {TLSEXT_TYPE_trusted_ca_keys, "trusted_ca_keys"},
 461     {TLSEXT_TYPE_truncated_hmac, "truncated_hmac"},
 462     {TLSEXT_TYPE_status_request, "status_request"},
 463     {TLSEXT_TYPE_user_mapping, "user_mapping"},
 464     {TLSEXT_TYPE_client_authz, "client_authz"},
 465     {TLSEXT_TYPE_server_authz, "server_authz"},
 466     {TLSEXT_TYPE_cert_type, "cert_type"},
 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_application_layer_protocol_negotiation,
 473      "application_layer_protocol_negotiation"},
 474     {TLSEXT_TYPE_signed_certificate_timestamp, "signed_certificate_timestamps"},
 475     {TLSEXT_TYPE_padding, "padding"},
 476     {TLSEXT_TYPE_encrypt_then_mac, "encrypt_then_mac"},
 477     {TLSEXT_TYPE_extended_master_secret, "extended_master_secret"},
 478     {TLSEXT_TYPE_session_ticket, "session_ticket"},
 479     {TLSEXT_TYPE_psk, "psk"},
 480     {TLSEXT_TYPE_early_data, "early_data"},
 481     {TLSEXT_TYPE_supported_versions, "supported_versions"},
 482     {TLSEXT_TYPE_cookie, "cookie_ext"},
 483     {TLSEXT_TYPE_psk_kex_modes, "psk_key_exchange_modes"},
 484     {TLSEXT_TYPE_certificate_authorities, "certificate_authorities"},
 485     {TLSEXT_TYPE_post_handshake_auth, "post_handshake_auth"},
 486     {TLSEXT_TYPE_signature_algorithms_cert, "signature_algorithms_cert"},
 487     {TLSEXT_TYPE_key_share, "key_share"},
 488     {TLSEXT_TYPE_renegotiate, "renegotiate"},
 489 # ifndef OPENSSL_NO_NEXTPROTONEG
 490     {TLSEXT_TYPE_next_proto_neg, "next_proto_neg"},
 491 # endif
 492 };
 493
 494 static const ssl_trace_tbl ssl_groups_tbl[] = {
 495     {1, "sect163k1 (K-163)"},
 496     {2, "sect163r1"},
 497     {3, "sect163r2 (B-163)"},
 498     {4, "sect193r1"},
 499     {5, "sect193r2"},
 500     {6, "sect233k1 (K-233)"},
 501     {7, "sect233r1 (B-233)"},
 502     {8, "sect239k1"},
 503     {9, "sect283k1 (K-283)"},
 504     {10, "sect283r1 (B-283)"},
 505     {11, "sect409k1 (K-409)"},
 506     {12, "sect409r1 (B-409)"},
 507     {13, "sect571k1 (K-571)"},
 508     {14, "sect571r1 (B-571)"},
 509     {15, "secp160k1"},
 510     {16, "secp160r1"},
 511     {17, "secp160r2"},
 512     {18, "secp192k1"},
 513     {19, "secp192r1 (P-192)"},
 514     {20, "secp224k1"},
 515     {21, "secp224r1 (P-224)"},
 516     {22, "secp256k1"},
 517     {23, "secp256r1 (P-256)"},
 518     {24, "secp384r1 (P-384)"},
 519     {25, "secp521r1 (P-521)"},
 520     {26, "brainpoolP256r1"},
 521     {27, "brainpoolP384r1"},
 522     {28, "brainpoolP512r1"},
 523     {29, "ecdh_x25519"},
 524     {30, "ecdh_x448"},
 525     {256, "ffdhe2048"},
 526     {257, "ffdhe3072"},
 527     {258, "ffdhe4096"},
 528     {259, "ffdhe6144"},
 529     {260, "ffdhe8192"},
 530     {0xFF01, "arbitrary_explicit_prime_curves"},
 531     {0xFF02, "arbitrary_explicit_char2_curves"}
 532 };
 533
 534 static const ssl_trace_tbl ssl_point_tbl[] = {
 535     {0, "uncompressed"},
 536     {1, "ansiX962_compressed_prime"},
 537     {2, "ansiX962_compressed_char2"}
 538 };
 539
 540 static const ssl_trace_tbl ssl_mfl_tbl[] = {
 541     {0, "disabled"},
 542     {1, "max_fragment_length := 2^9 (512 bytes)"},
 543     {2, "max_fragment_length := 2^10 (1024 bytes)"},
 544     {3, "max_fragment_length := 2^11 (2048 bytes)"},
 545     {4, "max_fragment_length := 2^12 (4096 bytes)"}
 546 };
 547
 548 static const ssl_trace_tbl ssl_sigalg_tbl[] = {
 549     {TLSEXT_SIGALG_ecdsa_secp256r1_sha256, "ecdsa_secp256r1_sha256"},
 550     {TLSEXT_SIGALG_ecdsa_secp384r1_sha384, "ecdsa_secp384r1_sha384"},
 551     {TLSEXT_SIGALG_ecdsa_secp521r1_sha512, "ecdsa_secp521r1_sha512"},
 552     {TLSEXT_SIGALG_ecdsa_sha224, "ecdsa_sha224"},
 553     {TLSEXT_SIGALG_ed25519, "ed25519"},
 554     {TLSEXT_SIGALG_ed448, "ed448"},
 555     {TLSEXT_SIGALG_ecdsa_sha1, "ecdsa_sha1"},
 556     {TLSEXT_SIGALG_rsa_pss_rsae_sha256, "rsa_pss_rsae_sha256"},
 557     {TLSEXT_SIGALG_rsa_pss_rsae_sha384, "rsa_pss_rsae_sha384"},
 558     {TLSEXT_SIGALG_rsa_pss_rsae_sha512, "rsa_pss_rsae_sha512"},
 559     {TLSEXT_SIGALG_rsa_pss_pss_sha256, "rsa_pss_pss_sha256"},
 560     {TLSEXT_SIGALG_rsa_pss_pss_sha384, "rsa_pss_pss_sha384"},
 561     {TLSEXT_SIGALG_rsa_pss_pss_sha512, "rsa_pss_pss_sha512"},
 562     {TLSEXT_SIGALG_rsa_pkcs1_sha256, "rsa_pkcs1_sha256"},
 563     {TLSEXT_SIGALG_rsa_pkcs1_sha384, "rsa_pkcs1_sha384"},
 564     {TLSEXT_SIGALG_rsa_pkcs1_sha512, "rsa_pkcs1_sha512"},
 565     {TLSEXT_SIGALG_rsa_pkcs1_sha224, "rsa_pkcs1_sha224"},
 566     {TLSEXT_SIGALG_rsa_pkcs1_sha1, "rsa_pkcs1_sha1"},
 567     {TLSEXT_SIGALG_dsa_sha256, "dsa_sha256"},
 568     {TLSEXT_SIGALG_dsa_sha384, "dsa_sha384"},
 569     {TLSEXT_SIGALG_dsa_sha512, "dsa_sha512"},
 570     {TLSEXT_SIGALG_dsa_sha224, "dsa_sha224"},
 571     {TLSEXT_SIGALG_dsa_sha1, "dsa_sha1"},
 572     {TLSEXT_SIGALG_gostr34102012_256_gostr34112012_256, "gost2012_256"},
 573     {TLSEXT_SIGALG_gostr34102012_512_gostr34112012_512, "gost2012_512"},
 574     {TLSEXT_SIGALG_gostr34102001_gostr3411, "gost2001_gost94"},
 575 };
 576
 577 static const ssl_trace_tbl ssl_ctype_tbl[] = {
 578     {1, "rsa_sign"},
 579     {2, "dss_sign"},
 580     {3, "rsa_fixed_dh"},
 581     {4, "dss_fixed_dh"},
 582     {5, "rsa_ephemeral_dh"},
 583     {6, "dss_ephemeral_dh"},
 584     {20, "fortezza_dms"},
 585     {64, "ecdsa_sign"},
 586     {65, "rsa_fixed_ecdh"},
 587     {66, "ecdsa_fixed_ecdh"}
 588 };
 589
 590 static const ssl_trace_tbl ssl_psk_kex_modes_tbl[] = {
 591     {TLSEXT_KEX_MODE_KE, "psk_ke"},
 592     {TLSEXT_KEX_MODE_KE_DHE, "psk_dhe_ke"}
 593 };
 594
 595 static const ssl_trace_tbl ssl_key_update_tbl[] = {
 596     {SSL_KEY_UPDATE_NOT_REQUESTED, "update_not_requested"},
 597     {SSL_KEY_UPDATE_REQUESTED, "update_requested"}
 598 };
 599
 600 static void ssl_print_hex(BIO *bio, int indent, const char *name,
 601                           const unsigned char *msg, size_t msglen)
 602 {
 603     size_t i;
 604
 605     BIO_indent(bio, indent, 80);
 606     BIO_printf(bio, "%s (len=%d): ", name, (int)msglen);
 607     for (i = 0; i < msglen; i++)
 608         BIO_printf(bio, "%02X", msg[i]);
 609     BIO_puts(bio, "\n");
 610 }
 611
 612 static int ssl_print_hexbuf(BIO *bio, int indent, const char *name, size_t nlen,
 613                             const unsigned char **pmsg, size_t *pmsglen)
 614 {
 615     size_t blen;
 616     const unsigned char *p = *pmsg;
 617
 618     if (*pmsglen < nlen)
 619         return 0;
 620     blen = p[0];
 621     if (nlen > 1)
 622         blen = (blen << 8) | p[1];
 623     if (*pmsglen < nlen + blen)
 624         return 0;
 625     p += nlen;
 626     ssl_print_hex(bio, indent, name, p, blen);
 627     *pmsg += blen + nlen;
 628     *pmsglen -= blen + nlen;
 629     return 1;
 630 }
 631
 632 static int ssl_print_version(BIO *bio, int indent, const char *name,
 633                              const unsigned char **pmsg, size_t *pmsglen,
 634                              unsigned int *version)
 635 {
 636     int vers;
 637
 638     if (*pmsglen < 2)
 639         return 0;
 640     vers = ((*pmsg)[0] << 8) | (*pmsg)[1];
 641     if (version != NULL)
 642         *version = vers;
 643     BIO_indent(bio, indent, 80);
 644     BIO_printf(bio, "%s=0x%x (%s)\n",
 645                name, vers, ssl_trace_str(vers, ssl_version_tbl));
 646     *pmsg += 2;
 647     *pmsglen -= 2;
 648     return 1;
 649 }
 650
 651 static int ssl_print_random(BIO *bio, int indent,
 652                             const unsigned char **pmsg, size_t *pmsglen)
 653 {
 654     unsigned int tm;
 655     const unsigned char *p = *pmsg;
 656
 657     if (*pmsglen < 32)
 658         return 0;
 659     tm = (p[0] << 24) | (p[1] << 16) | (p[2] << 8) | p[3];
 660     p += 4;
 661     BIO_indent(bio, indent, 80);
 662     BIO_puts(bio, "Random:\n");
 663     BIO_indent(bio, indent + 2, 80);
 664     BIO_printf(bio, "gmt_unix_time=0x%08X\n", tm);
 665     ssl_print_hex(bio, indent + 2, "random_bytes", p, 28);
 666     *pmsg += 32;
 667     *pmsglen -= 32;
 668     return 1;
 669 }
 670
 671 static int ssl_print_signature(BIO *bio, int indent, const SSL *ssl,
 672                                const unsigned char **pmsg, size_t *pmsglen)
 673 {
 674     if (*pmsglen < 2)
 675         return 0;
 676     if (SSL_USE_SIGALGS(ssl)) {
 677         const unsigned char *p = *pmsg;
 678         unsigned int sigalg = (p[0] << 8) | p[1];
 679
 680         BIO_indent(bio, indent, 80);
 681         BIO_printf(bio, "Signature Algorithm: %s (0x%04x)\n",
 682                    ssl_trace_str(sigalg, ssl_sigalg_tbl), sigalg);
 683         *pmsg += 2;
 684         *pmsglen -= 2;
 685     }
 686     return ssl_print_hexbuf(bio, indent, "Signature", 2, pmsg, pmsglen);
 687 }
 688
 689 static int ssl_print_extension(BIO *bio, int indent, int server,
 690                                unsigned char mt, int extype,
 691                                const unsigned char *ext, size_t extlen)
 692 {
 693     size_t xlen, share_len;
 694     unsigned int sigalg;
 695     uint32_t max_early_data;
 696
 697     BIO_indent(bio, indent, 80);
 698     BIO_printf(bio, "extension_type=%s(%d), length=%d\n",
 699                ssl_trace_str(extype, ssl_exts_tbl), extype, (int)extlen);
 700     switch (extype) {
 701     case TLSEXT_TYPE_max_fragment_length:
 702         if (extlen < 1)
 703             return 0;
 704         xlen = extlen;
 705         return ssl_trace_list(bio, indent + 2, ext, xlen, 1, ssl_mfl_tbl);
 706
 707     case TLSEXT_TYPE_ec_point_formats:
 708         if (extlen < 1)
 709             return 0;
 710         xlen = ext[0];
 711         if (extlen != xlen + 1)
 712             return 0;
 713         return ssl_trace_list(bio, indent + 2, ext + 1, xlen, 1, ssl_point_tbl);
 714
 715     case TLSEXT_TYPE_supported_groups:
 716         if (extlen < 2)
 717             return 0;
 718         xlen = (ext[0] << 8) | ext[1];
 719         if (extlen != xlen + 2)
 720             return 0;
 721         return ssl_trace_list(bio, indent + 2, ext + 2, xlen, 2, ssl_groups_tbl);
 722     case TLSEXT_TYPE_application_layer_protocol_negotiation:
 723         if (extlen < 2)
 724             return 0;
 725         xlen = (ext[0] << 8) | ext[1];
 726         if (extlen != xlen + 2)
 727             return 0;
 728         ext += 2;
 729         while (xlen > 0) {
 730             size_t plen = *ext++;
 731
 732             if (plen + 1 > xlen)
 733                 return 0;
 734             BIO_indent(bio, indent + 2, 80);
 735             BIO_write(bio, ext, plen);
 736             BIO_puts(bio, "\n");
 737             ext += plen;
 738             xlen -= plen + 1;
 739         }
 740         return 1;
 741
 742     case TLSEXT_TYPE_signature_algorithms:
 743
 744         if (extlen < 2)
 745             return 0;
 746         xlen = (ext[0] << 8) | ext[1];
 747         if (extlen != xlen + 2)
 748             return 0;
 749         if (xlen & 1)
 750             return 0;
 751         ext += 2;
 752         while (xlen > 0) {
 753             BIO_indent(bio, indent + 2, 80);
 754             sigalg = (ext[0] << 8) | ext[1];
 755             BIO_printf(bio, "%s (0x%04x)\n",
 756                        ssl_trace_str(sigalg, ssl_sigalg_tbl), sigalg);
 757             xlen -= 2;
 758             ext += 2;
 759         }
 760         break;
 761
 762     case TLSEXT_TYPE_renegotiate:
 763         if (extlen < 1)
 764             return 0;
 765         xlen = ext[0];
 766         if (xlen + 1 != extlen)
 767             return 0;
 768         ext++;
 769         if (xlen) {
 770             if (server) {
 771                 if (xlen & 1)
 772                     return 0;
 773                 xlen >>= 1;
 774             }
 775             ssl_print_hex(bio, indent + 4, "client_verify_data", ext, xlen);
 776             if (server) {
 777                 ext += xlen;
 778                 ssl_print_hex(bio, indent + 4, "server_verify_data", ext, xlen);
 779             }
 780         } else {
 781             BIO_indent(bio, indent + 4, 80);
 782             BIO_puts(bio, "<EMPTY>\n");
 783         }
 784         break;
 785
 786     case TLSEXT_TYPE_session_ticket:
 787         if (extlen != 0)
 788             ssl_print_hex(bio, indent + 4, "ticket", ext, extlen);
 789         break;
 790
 791     case TLSEXT_TYPE_key_share:
 792         if (server && extlen == 2) {
 793             int group_id;
 794
 795             /* We assume this is an HRR, otherwise this is an invalid key_share */
 796             group_id = (ext[0] << 8) | ext[1];
 797             BIO_indent(bio, indent + 4, 80);
 798             BIO_printf(bio, "NamedGroup: %s (%d)\n",
 799                        ssl_trace_str(group_id, ssl_groups_tbl), group_id);
 800             break;
 801         }
 802         if (extlen < 2)
 803             return 0;
 804         if (server) {
 805             xlen = extlen;
 806         } else {
 807             xlen = (ext[0] << 8) | ext[1];
 808             if (extlen != xlen + 2)
 809                 return 0;
 810             ext += 2;
 811         }
 812         for (; xlen > 0; ext += share_len, xlen -= share_len) {
 813             int group_id;
 814
 815             if (xlen < 4)
 816                 return 0;
 817             group_id = (ext[0] << 8) | ext[1];
 818             share_len = (ext[2] << 8) | ext[3];
 819             ext += 4;
 820             xlen -= 4;
 821             if (xlen < share_len)
 822                 return 0;
 823             BIO_indent(bio, indent + 4, 80);
 824             BIO_printf(bio, "NamedGroup: %s (%d)\n",
 825                        ssl_trace_str(group_id, ssl_groups_tbl), group_id);
 826             ssl_print_hex(bio, indent + 4, "key_exchange: ", ext, share_len);
 827         }
 828         break;
 829
 830     case TLSEXT_TYPE_supported_versions:
 831         if (server) {
 832             int version;
 833
 834             if (extlen != 2)
 835                 return 0;
 836             version = (ext[0] << 8) | ext[1];
 837             BIO_indent(bio, indent + 4, 80);
 838             BIO_printf(bio, "%s (%d)\n",
 839                        ssl_trace_str(version, ssl_version_tbl), version);
 840             break;
 841         }
 842         if (extlen < 1)
 843             return 0;
 844         xlen = ext[0];
 845         if (extlen != xlen + 1)
 846             return 0;
 847         return ssl_trace_list(bio, indent + 2, ext + 1, xlen, 2,
 848                               ssl_version_tbl);
 849
 850     case TLSEXT_TYPE_psk_kex_modes:
 851         if (extlen < 1)
 852             return 0;
 853         xlen = ext[0];
 854         if (extlen != xlen + 1)
 855             return 0;
 856         return ssl_trace_list(bio, indent + 2, ext + 1, xlen, 1,
 857                               ssl_psk_kex_modes_tbl);
 858
 859     case TLSEXT_TYPE_early_data:
 860         if (mt != SSL3_MT_NEWSESSION_TICKET)
 861             break;
 862         if (extlen != 4)
 863             return 0;
 864         max_early_data = (ext[0] << 24) | (ext[1] << 16) | (ext[2] << 8)
 865                          | ext[3];
 866         BIO_indent(bio, indent + 2, 80);
 867         BIO_printf(bio, "max_early_data=%u\n", max_early_data);
 868         break;
 869
 870     default:
 871         BIO_dump_indent(bio, (const char *)ext, extlen, indent + 2);
 872     }
 873     return 1;
 874 }
 875
 876 static int ssl_print_extensions(BIO *bio, int indent, int server,
 877                                 unsigned char mt, const unsigned char **msgin,
 878                                 size_t *msginlen)
 879 {
 880     size_t extslen, msglen = *msginlen;
 881     const unsigned char *msg = *msgin;
 882
 883     BIO_indent(bio, indent, 80);
 884     if (msglen == 0) {
 885         BIO_puts(bio, "No extensions\n");
 886         return 1;
 887     }
 888     if (msglen < 2)
 889         return 0;
 890     extslen = (msg[0] << 8) | msg[1];
 891     msglen -= 2;
 892     msg += 2;
 893     if (extslen == 0) {
 894         BIO_puts(bio, "No extensions\n");
 895         *msgin = msg;
 896         *msginlen = msglen;
 897         return 1;
 898     }
 899     if (extslen > msglen)
 900         return 0;
 901     BIO_printf(bio, "extensions, length = %d\n", (int)extslen);
 902     msglen -= extslen;
 903     while (extslen > 0) {
 904         int extype;
 905         size_t extlen;
 906         if (extslen < 4)
 907             return 0;
 908         extype = (msg[0] << 8) | msg[1];
 909         extlen = (msg[2] << 8) | msg[3];
 910         if (extslen < extlen + 4) {
 911             BIO_printf(bio, "extensions, extype = %d, extlen = %d\n", extype,
 912                        (int)extlen);
 913             BIO_dump_indent(bio, (const char *)msg, extslen, indent + 2);
 914             return 0;
 915         }
 916         msg += 4;
 917         if (!ssl_print_extension(bio, indent + 2, server, mt, extype, msg,
 918                                  extlen))
 919             return 0;
 920         msg += extlen;
 921         extslen -= extlen + 4;
 922     }
 923
 924     *msgin = msg;
 925     *msginlen = msglen;
 926     return 1;
 927 }
 928
 929 static int ssl_print_client_hello(BIO *bio, const SSL *ssl, int indent,
 930                                   const unsigned char *msg, size_t msglen)
 931 {
 932     size_t len;
 933     unsigned int cs;
 934
 935     if (!ssl_print_version(bio, indent, "client_version", &msg, &msglen, NULL))
 936         return 0;
 937     if (!ssl_print_random(bio, indent, &msg, &msglen))
 938         return 0;
 939     if (!ssl_print_hexbuf(bio, indent, "session_id", 1, &msg, &msglen))
 940         return 0;
 941     if (SSL_IS_DTLS(ssl)) {
 942         if (!ssl_print_hexbuf(bio, indent, "cookie", 1, &msg, &msglen))
 943             return 0;
 944     }
 945     if (msglen < 2)
 946         return 0;
 947     len = (msg[0] << 8) | msg[1];
 948     msg += 2;
 949     msglen -= 2;
 950     BIO_indent(bio, indent, 80);
 951     BIO_printf(bio, "cipher_suites (len=%d)\n", (int)len);
 952     if (msglen < len || len & 1)
 953         return 0;
 954     while (len > 0) {
 955         cs = (msg[0] << 8) | msg[1];
 956         BIO_indent(bio, indent + 2, 80);
 957         BIO_printf(bio, "{0x%02X, 0x%02X} %s\n",
 958                    msg[0], msg[1], ssl_trace_str(cs, ssl_ciphers_tbl));
 959         msg += 2;
 960         msglen -= 2;
 961         len -= 2;
 962     }
 963     if (msglen < 1)
 964         return 0;
 965     len = msg[0];
 966     msg++;
 967     msglen--;
 968     if (msglen < len)
 969         return 0;
 970     BIO_indent(bio, indent, 80);
 971     BIO_printf(bio, "compression_methods (len=%d)\n", (int)len);
 972     while (len > 0) {
 973         BIO_indent(bio, indent + 2, 80);
 974         BIO_printf(bio, "%s (0x%02X)\n",
 975                    ssl_trace_str(msg[0], ssl_comp_tbl), msg[0]);
 976         msg++;
 977         msglen--;
 978         len--;
 979     }
 980     if (!ssl_print_extensions(bio, indent, 0, SSL3_MT_CLIENT_HELLO, &msg,
 981                               &msglen))
 982         return 0;
 983     return 1;
 984 }
 985
 986 static int dtls_print_hello_vfyrequest(BIO *bio, int indent,
 987                                        const unsigned char *msg, size_t msglen)
 988 {
 989     if (!ssl_print_version(bio, indent, "server_version", &msg, &msglen, NULL))
 990         return 0;
 991     if (!ssl_print_hexbuf(bio, indent, "cookie", 1, &msg, &msglen))
 992         return 0;
 993     return 1;
 994 }
 995
 996 static int ssl_print_server_hello(BIO *bio, int indent,
 997                                   const unsigned char *msg, size_t msglen)
 998 {
 999     unsigned int cs;
1000     unsigned int vers;
1001
1002     if (!ssl_print_version(bio, indent, "server_version", &msg, &msglen, &vers))
1003         return 0;
1004     if (!ssl_print_random(bio, indent, &msg, &msglen))
1005         return 0;
1006     if (vers != TLS1_3_VERSION
1007             && !ssl_print_hexbuf(bio, indent, "session_id", 1, &msg, &msglen))
1008         return 0;
1009     if (msglen < 2)
1010         return 0;
1011     cs = (msg[0] << 8) | msg[1];
1012     BIO_indent(bio, indent, 80);
1013     BIO_printf(bio, "cipher_suite {0x%02X, 0x%02X} %s\n",
1014                msg[0], msg[1], ssl_trace_str(cs, ssl_ciphers_tbl));
1015     msg += 2;
1016     msglen -= 2;
1017     if (vers != TLS1_3_VERSION) {
1018         if (msglen < 1)
1019             return 0;
1020         BIO_indent(bio, indent, 80);
1021         BIO_printf(bio, "compression_method: %s (0x%02X)\n",
1022                    ssl_trace_str(msg[0], ssl_comp_tbl), msg[0]);
1023         msg++;
1024         msglen--;
1025     }
1026     if (!ssl_print_extensions(bio, indent, 1, SSL3_MT_SERVER_HELLO, &msg,
1027                               &msglen))
1028         return 0;
1029     return 1;
1030 }
1031
1032 static int ssl_get_keyex(const char **pname, const SSL *ssl)
1033 {
1034     unsigned long alg_k = ssl->s3.tmp.new_cipher->algorithm_mkey;
1035
1036     if (alg_k & SSL_kRSA) {
1037         *pname = "rsa";
1038         return SSL_kRSA;
1039     }
1040     if (alg_k & SSL_kDHE) {
1041         *pname = "DHE";
1042         return SSL_kDHE;
1043     }
1044     if (alg_k & SSL_kECDHE) {
1045         *pname = "ECDHE";
1046         return SSL_kECDHE;
1047     }
1048     if (alg_k & SSL_kPSK) {
1049         *pname = "PSK";
1050         return SSL_kPSK;
1051     }
1052     if (alg_k & SSL_kRSAPSK) {
1053         *pname = "RSAPSK";
1054         return SSL_kRSAPSK;
1055     }
1056     if (alg_k & SSL_kDHEPSK) {
1057         *pname = "DHEPSK";
1058         return SSL_kDHEPSK;
1059     }
1060     if (alg_k & SSL_kECDHEPSK) {
1061         *pname = "ECDHEPSK";
1062         return SSL_kECDHEPSK;
1063     }
1064     if (alg_k & SSL_kSRP) {
1065         *pname = "SRP";
1066         return SSL_kSRP;
1067     }
1068     if (alg_k & SSL_kGOST) {
1069         *pname = "GOST";
1070         return SSL_kGOST;
1071     }
1072     *pname = "UNKNOWN";
1073     return 0;
1074 }
1075
1076 static int ssl_print_client_keyex(BIO *bio, int indent, const SSL *ssl,
1077                                   const unsigned char *msg, size_t msglen)
1078 {
1079     const char *algname;
1080     int id = ssl_get_keyex(&algname, ssl);
1081
1082     BIO_indent(bio, indent, 80);
1083     BIO_printf(bio, "KeyExchangeAlgorithm=%s\n", algname);
1084     if (id & SSL_PSK) {
1085         if (!ssl_print_hexbuf(bio, indent + 2,
1086                               "psk_identity", 2, &msg, &msglen))
1087             return 0;
1088     }
1089     switch (id) {
1090
1091     case SSL_kRSA:
1092     case SSL_kRSAPSK:
1093         if (TLS1_get_version(ssl) == SSL3_VERSION) {
1094             ssl_print_hex(bio, indent + 2,
1095                           "EncryptedPreMasterSecret", msg, msglen);
1096         } else {
1097             if (!ssl_print_hexbuf(bio, indent + 2,
1098                                   "EncryptedPreMasterSecret", 2, &msg, &msglen))
1099                 return 0;
1100         }
1101         break;
1102
1103     case SSL_kDHE:
1104     case SSL_kDHEPSK:
1105         if (!ssl_print_hexbuf(bio, indent + 2, "dh_Yc", 2, &msg, &msglen))
1106             return 0;
1107         break;
1108
1109     case SSL_kECDHE:
1110     case SSL_kECDHEPSK:
1111         if (!ssl_print_hexbuf(bio, indent + 2, "ecdh_Yc", 1, &msg, &msglen))
1112             return 0;
1113         break;
1114     case SSL_kGOST:
1115         ssl_print_hex(bio, indent + 2, "GostKeyTransportBlob", msg, msglen);
1116         msglen = 0;
1117         break;
1118
1119     }
1120
1121     return !msglen;
1122 }
1123
1124 static int ssl_print_server_keyex(BIO *bio, int indent, const SSL *ssl,
1125                                   const unsigned char *msg, size_t msglen)
1126 {
1127     const char *algname;
1128     int id = ssl_get_keyex(&algname, ssl);
1129
1130     BIO_indent(bio, indent, 80);
1131     BIO_printf(bio, "KeyExchangeAlgorithm=%s\n", algname);
1132     if (id & SSL_PSK) {
1133         if (!ssl_print_hexbuf(bio, indent + 2,
1134                               "psk_identity_hint", 2, &msg, &msglen))
1135             return 0;
1136     }
1137     switch (id) {
1138     case SSL_kRSA:
1139
1140         if (!ssl_print_hexbuf(bio, indent + 2, "rsa_modulus", 2, &msg, &msglen))
1141             return 0;
1142         if (!ssl_print_hexbuf(bio, indent + 2, "rsa_exponent", 2,
1143                               &msg, &msglen))
1144             return 0;
1145         break;
1146
1147     case SSL_kDHE:
1148     case SSL_kDHEPSK:
1149         if (!ssl_print_hexbuf(bio, indent + 2, "dh_p", 2, &msg, &msglen))
1150             return 0;
1151         if (!ssl_print_hexbuf(bio, indent + 2, "dh_g", 2, &msg, &msglen))
1152             return 0;
1153         if (!ssl_print_hexbuf(bio, indent + 2, "dh_Ys", 2, &msg, &msglen))
1154             return 0;
1155         break;
1156
1157 # ifndef OPENSSL_NO_EC
1158     case SSL_kECDHE:
1159     case SSL_kECDHEPSK:
1160         if (msglen < 1)
1161             return 0;
1162         BIO_indent(bio, indent + 2, 80);
1163         if (msg[0] == EXPLICIT_PRIME_CURVE_TYPE)
1164             BIO_puts(bio, "explicit_prime\n");
1165         else if (msg[0] == EXPLICIT_CHAR2_CURVE_TYPE)
1166             BIO_puts(bio, "explicit_char2\n");
1167         else if (msg[0] == NAMED_CURVE_TYPE) {
1168             int curve;
1169             if (msglen < 3)
1170                 return 0;
1171             curve = (msg[1] << 8) | msg[2];
1172             BIO_printf(bio, "named_curve: %s (%d)\n",
1173                        ssl_trace_str(curve, ssl_groups_tbl), curve);
1174             msg += 3;
1175             msglen -= 3;
1176             if (!ssl_print_hexbuf(bio, indent + 2, "point", 1, &msg, &msglen))
1177                 return 0;
1178         } else {
1179             BIO_printf(bio, "UNKNOWN CURVE PARAMETER TYPE %d\n", msg[0]);
1180             return 0;
1181         }
1182         break;
1183 # endif
1184
1185     case SSL_kPSK:
1186     case SSL_kRSAPSK:
1187         break;
1188     }
1189     if (!(id & SSL_PSK))
1190         ssl_print_signature(bio, indent, ssl, &msg, &msglen);
1191     return !msglen;
1192 }
1193
1194 static int ssl_print_certificate(BIO *bio, int indent,
1195                                  const unsigned char **pmsg, size_t *pmsglen)
1196 {
1197     size_t msglen = *pmsglen;
1198     size_t clen;
1199     X509 *x;
1200     const unsigned char *p = *pmsg, *q;
1201
1202     if (msglen < 3)
1203         return 0;
1204     clen = (p[0] << 16) | (p[1] << 8) | p[2];
1205     if (msglen < clen + 3)
1206         return 0;
1207     q = p + 3;
1208     BIO_indent(bio, indent, 80);
1209     BIO_printf(bio, "ASN.1Cert, length=%d", (int)clen);
1210     x = d2i_X509(NULL, &q, clen);
1211     if (!x)
1212         BIO_puts(bio, "<UNPARSEABLE CERTIFICATE>\n");
1213     else {
1214         BIO_puts(bio, "\n------details-----\n");
1215         X509_print_ex(bio, x, XN_FLAG_ONELINE, 0);
1216         PEM_write_bio_X509(bio, x);
1217         /* Print certificate stuff */
1218         BIO_puts(bio, "------------------\n");
1219         X509_free(x);
1220     }
1221     if (q != p + 3 + clen) {
1222         BIO_puts(bio, "<TRAILING GARBAGE AFTER CERTIFICATE>\n");
1223     }
1224     *pmsg += clen + 3;
1225     *pmsglen -= clen + 3;
1226     return 1;
1227 }
1228
1229 static int ssl_print_certificates(BIO *bio, const SSL *ssl, int server,
1230                                   int indent, const unsigned char *msg,
1231                                   size_t msglen)
1232 {
1233     size_t clen;
1234
1235     if (SSL_IS_TLS13(ssl)
1236             && !ssl_print_hexbuf(bio, indent, "context", 1, &msg, &msglen))
1237         return 0;
1238
1239     if (msglen < 3)
1240         return 0;
1241     clen = (msg[0] << 16) | (msg[1] << 8) | msg[2];
1242     if (msglen != clen + 3)
1243         return 0;
1244     msg += 3;
1245     BIO_indent(bio, indent, 80);
1246     BIO_printf(bio, "certificate_list, length=%d\n", (int)clen);
1247     while (clen > 0) {
1248         if (!ssl_print_certificate(bio, indent + 2, &msg, &clen))
1249             return 0;
1250         if (SSL_IS_TLS13(ssl)
1251             && !ssl_print_extensions(bio, indent + 2, server,
1252                                      SSL3_MT_CERTIFICATE, &msg, &clen))
1253             return 0;
1254
1255     }
1256     return 1;
1257 }
1258
1259 static int ssl_print_cert_request(BIO *bio, int indent, const SSL *ssl,
1260                                   const unsigned char *msg, size_t msglen)
1261 {
1262     size_t xlen;
1263     unsigned int sigalg;
1264
1265     if (SSL_IS_TLS13(ssl)) {
1266         if (!ssl_print_hexbuf(bio, indent, "request_context", 1, &msg, &msglen))
1267             return 0;
1268         if (!ssl_print_extensions(bio, indent, 1,
1269                                   SSL3_MT_CERTIFICATE_REQUEST, &msg, &msglen))
1270             return 0;
1271         return 1;
1272     } else {
1273         if (msglen < 1)
1274             return 0;
1275         xlen = msg[0];
1276         if (msglen < xlen + 1)
1277             return 0;
1278         msg++;
1279         BIO_indent(bio, indent, 80);
1280         BIO_printf(bio, "certificate_types (len=%d)\n", (int)xlen);
1281         if (!ssl_trace_list(bio, indent + 2, msg, xlen, 1, ssl_ctype_tbl))
1282             return 0;
1283         msg += xlen;
1284         msglen -= xlen + 1;
1285     }
1286     if (SSL_USE_SIGALGS(ssl)) {
1287         if (msglen < 2)
1288             return 0;
1289         xlen = (msg[0] << 8) | msg[1];
1290         if (msglen < xlen + 2 || (xlen & 1))
1291             return 0;
1292         msg += 2;
1293         msglen -= xlen + 2;
1294         BIO_indent(bio, indent, 80);
1295         BIO_printf(bio, "signature_algorithms (len=%d)\n", (int)xlen);
1296         while (xlen > 0) {
1297             BIO_indent(bio, indent + 2, 80);
1298             sigalg = (msg[0] << 8) | msg[1];
1299             BIO_printf(bio, "%s (0x%04x)\n",
1300                        ssl_trace_str(sigalg, ssl_sigalg_tbl), sigalg);
1301             xlen -= 2;
1302             msg += 2;
1303         }
1304         msg += xlen;
1305     }
1306
1307     if (msglen < 2)
1308         return 0;
1309     xlen = (msg[0] << 8) | msg[1];
1310     BIO_indent(bio, indent, 80);
1311     if (msglen < xlen + 2)
1312         return 0;
1313     msg += 2;
1314     msglen -= 2 + xlen;
1315     BIO_printf(bio, "certificate_authorities (len=%d)\n", (int)xlen);
1316     while (xlen > 0) {
1317         size_t dlen;
1318         X509_NAME *nm;
1319         const unsigned char *p;
1320         if (xlen < 2)
1321             return 0;
1322         dlen = (msg[0] << 8) | msg[1];
1323         if (xlen < dlen + 2)
1324             return 0;
1325         msg += 2;
1326         BIO_indent(bio, indent + 2, 80);
1327         BIO_printf(bio, "DistinguishedName (len=%d): ", (int)dlen);
1328         p = msg;
1329         nm = d2i_X509_NAME(NULL, &p, dlen);
1330         if (!nm) {
1331             BIO_puts(bio, "<UNPARSEABLE DN>\n");
1332         } else {
1333             X509_NAME_print_ex(bio, nm, 0, XN_FLAG_ONELINE);
1334             BIO_puts(bio, "\n");
1335             X509_NAME_free(nm);
1336         }
1337         xlen -= dlen + 2;
1338         msg += dlen;
1339     }
1340     if (SSL_IS_TLS13(ssl)) {
1341         if (!ssl_print_hexbuf(bio, indent, "request_extensions", 2,
1342                               &msg, &msglen))
1343             return 0;
1344     }
1345     return msglen == 0;
1346 }
1347
1348 static int ssl_print_ticket(BIO *bio, int indent, const SSL *ssl,
1349                             const unsigned char *msg, size_t msglen)
1350 {
1351     unsigned int tick_life;
1352
1353     if (msglen == 0) {
1354         BIO_indent(bio, indent + 2, 80);
1355         BIO_puts(bio, "No Ticket\n");
1356         return 1;
1357     }
1358     if (msglen < 4)
1359         return 0;
1360     tick_life = (msg[0] << 24) | (msg[1] << 16) | (msg[2] << 8) | msg[3];
1361     msglen -= 4;
1362     msg += 4;
1363     BIO_indent(bio, indent + 2, 80);
1364     BIO_printf(bio, "ticket_lifetime_hint=%u\n", tick_life);
1365     if (SSL_IS_TLS13(ssl)) {
1366         unsigned int ticket_age_add;
1367
1368         if (msglen < 4)
1369             return 0;
1370         ticket_age_add =
1371             (msg[0] << 24) | (msg[1] << 16) | (msg[2] << 8) | msg[3];
1372         msglen -= 4;
1373         msg += 4;
1374         BIO_indent(bio, indent + 2, 80);
1375         BIO_printf(bio, "ticket_age_add=%u\n", ticket_age_add);
1376         if (!ssl_print_hexbuf(bio, indent + 2, "ticket_nonce", 1, &msg,
1377                               &msglen))
1378             return 0;
1379     }
1380     if (!ssl_print_hexbuf(bio, indent + 2, "ticket", 2, &msg, &msglen))
1381         return 0;
1382     if (SSL_IS_TLS13(ssl)
1383             && !ssl_print_extensions(bio, indent + 2, 0,
1384                                      SSL3_MT_NEWSESSION_TICKET, &msg, &msglen))
1385         return 0;
1386     if (msglen)
1387         return 0;
1388     return 1;
1389 }
1390
1391 static int ssl_print_handshake(BIO *bio, const SSL *ssl, int server,
1392                                const unsigned char *msg, size_t msglen,
1393                                int indent)
1394 {
1395     size_t hlen;
1396     unsigned char htype;
1397
1398     if (msglen < 4)
1399         return 0;
1400     htype = msg[0];
1401     hlen = (msg[1] << 16) | (msg[2] << 8) | msg[3];
1402     BIO_indent(bio, indent, 80);
1403     BIO_printf(bio, "%s, Length=%d\n",
1404                ssl_trace_str(htype, ssl_handshake_tbl), (int)hlen);
1405     msg += 4;
1406     msglen -= 4;
1407     if (SSL_IS_DTLS(ssl)) {
1408         if (msglen < 8)
1409             return 0;
1410         BIO_indent(bio, indent, 80);
1411         BIO_printf(bio, "message_seq=%d, fragment_offset=%d, "
1412                    "fragment_length=%d\n",
1413                    (msg[0] << 8) | msg[1],
1414                    (msg[2] << 16) | (msg[3] << 8) | msg[4],
1415                    (msg[5] << 16) | (msg[6] << 8) | msg[7]);
1416         msg += 8;
1417         msglen -= 8;
1418     }
1419     if (msglen < hlen)
1420         return 0;
1421     switch (htype) {
1422     case SSL3_MT_CLIENT_HELLO:
1423         if (!ssl_print_client_hello(bio, ssl, indent + 2, msg, msglen))
1424             return 0;
1425         break;
1426
1427     case DTLS1_MT_HELLO_VERIFY_REQUEST:
1428         if (!dtls_print_hello_vfyrequest(bio, indent + 2, msg, msglen))
1429             return 0;
1430         break;
1431
1432     case SSL3_MT_SERVER_HELLO:
1433         if (!ssl_print_server_hello(bio, indent + 2, msg, msglen))
1434             return 0;
1435         break;
1436
1437     case SSL3_MT_SERVER_KEY_EXCHANGE:
1438         if (!ssl_print_server_keyex(bio, indent + 2, ssl, msg, msglen))
1439             return 0;
1440         break;
1441
1442     case SSL3_MT_CLIENT_KEY_EXCHANGE:
1443         if (!ssl_print_client_keyex(bio, indent + 2, ssl, msg, msglen))
1444             return 0;
1445         break;
1446
1447     case SSL3_MT_CERTIFICATE:
1448         if (!ssl_print_certificates(bio, ssl, server, indent + 2, msg, msglen))
1449             return 0;
1450         break;
1451
1452     case SSL3_MT_CERTIFICATE_VERIFY:
1453         if (!ssl_print_signature(bio, indent + 2, ssl, &msg, &msglen))
1454             return 0;
1455         break;
1456
1457     case SSL3_MT_CERTIFICATE_REQUEST:
1458         if (!ssl_print_cert_request(bio, indent + 2, ssl, msg, msglen))
1459             return 0;
1460         break;
1461
1462     case SSL3_MT_FINISHED:
1463         ssl_print_hex(bio, indent + 2, "verify_data", msg, msglen);
1464         break;
1465
1466     case SSL3_MT_SERVER_DONE:
1467         if (msglen != 0)
1468             ssl_print_hex(bio, indent + 2, "unexpected value", msg, msglen);
1469         break;
1470
1471     case SSL3_MT_NEWSESSION_TICKET:
1472         if (!ssl_print_ticket(bio, indent + 2, ssl, msg, msglen))
1473             return 0;
1474         break;
1475
1476     case SSL3_MT_ENCRYPTED_EXTENSIONS:
1477         if (!ssl_print_extensions(bio, indent + 2, 1,
1478                                   SSL3_MT_ENCRYPTED_EXTENSIONS, &msg, &msglen))
1479             return 0;
1480         break;
1481
1482     case SSL3_MT_KEY_UPDATE:
1483         if (msglen != 1) {
1484             ssl_print_hex(bio, indent + 2, "unexpected value", msg, msglen);
1485             return 0;
1486         }
1487         if (!ssl_trace_list(bio, indent + 2, msg, msglen, 1,
1488                             ssl_key_update_tbl))
1489             return 0;
1490         break;
1491
1492     default:
1493         BIO_indent(bio, indent + 2, 80);
1494         BIO_puts(bio, "Unsupported, hex dump follows:\n");
1495         BIO_dump_indent(bio, (const char *)msg, msglen, indent + 4);
1496     }
1497     return 1;
1498 }
1499
1500 void SSL_trace(int write_p, int version, int content_type,
1501                const void *buf, size_t msglen, SSL *ssl, void *arg)
1502 {
1503     const unsigned char *msg = buf;
1504     BIO *bio = arg;
1505
1506     switch (content_type) {
1507     case SSL3_RT_HEADER:
1508         {
1509             int hvers;
1510
1511             /* avoid overlapping with length at the end of buffer */
1512             if (msglen < (size_t)(SSL_IS_DTLS(ssl) ?
1513                      DTLS1_RT_HEADER_LENGTH : SSL3_RT_HEADER_LENGTH)) {
1514                 BIO_puts(bio, write_p ? "Sent" : "Received");
1515                 ssl_print_hex(bio, 0, " too short message", msg, msglen);
1516                 break;
1517             }
1518             hvers = msg[1] << 8 | msg[2];
1519             BIO_puts(bio, write_p ? "Sent" : "Received");
1520             BIO_printf(bio, " Record\nHeader:\n  Version = %s (0x%x)\n",
1521                        ssl_trace_str(hvers, ssl_version_tbl), hvers);
1522             if (SSL_IS_DTLS(ssl)) {
1523                 BIO_printf(bio,
1524                            "  epoch=%d, sequence_number=%04x%04x%04x\n",
1525                            (msg[3] << 8 | msg[4]),
1526                            (msg[5] << 8 | msg[6]),
1527                            (msg[7] << 8 | msg[8]), (msg[9] << 8 | msg[10]));
1528             }
1529
1530             BIO_printf(bio, "  Content Type = %s (%d)\n  Length = %d",
1531                        ssl_trace_str(msg[0], ssl_content_tbl), msg[0],
1532                        msg[msglen - 2] << 8 | msg[msglen - 1]);
1533         }
1534         break;
1535
1536     case SSL3_RT_INNER_CONTENT_TYPE:
1537         BIO_printf(bio, "  Inner Content Type = %s (%d)",
1538                    ssl_trace_str(msg[0], ssl_content_tbl), msg[0]);
1539         break;
1540
1541     case SSL3_RT_HANDSHAKE:
1542         if (!ssl_print_handshake(bio, ssl, ssl->server ? write_p : !write_p,
1543                                  msg, msglen, 4))
1544             BIO_printf(bio, "Message length parse error!\n");
1545         break;
1546
1547     case SSL3_RT_CHANGE_CIPHER_SPEC:
1548         if (msglen == 1 && msg[0] == 1)
1549             BIO_puts(bio, "    change_cipher_spec (1)\n");
1550         else
1551             ssl_print_hex(bio, 4, "unknown value", msg, msglen);
1552         break;
1553
1554     case SSL3_RT_ALERT:
1555         if (msglen != 2)
1556             BIO_puts(bio, "    Illegal Alert Length\n");
1557         else {
1558             BIO_printf(bio, "    Level=%s(%d), description=%s(%d)\n",
1559                        SSL_alert_type_string_long(msg[0] << 8),
1560                        msg[0], SSL_alert_desc_string_long(msg[1]), msg[1]);
1561         }
1562
1563     }
1564
1565     BIO_puts(bio, "\n");
1566 }
1567
1568 #endif