ssl/t1_trce.c

   1 /*
   2  * Copyright 2012-2018 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_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, 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     {0xCCA8, "TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256"},
 431     {0xCCA9, "TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256"},
 432     {0xCCAA, "TLS_DHE_RSA_WITH_CHACHA20_POLY1305_SHA256"},
 433     {0xCCAB, "TLS_PSK_WITH_CHACHA20_POLY1305_SHA256"},
 434     {0xCCAC, "TLS_ECDHE_PSK_WITH_CHACHA20_POLY1305_SHA256"},
 435     {0xCCAD, "TLS_DHE_PSK_WITH_CHACHA20_POLY1305_SHA256"},
 436     {0xCCAE, "TLS_RSA_PSK_WITH_CHACHA20_POLY1305_SHA256"},
 437     {0x1301, "TLS_AES_128_GCM_SHA256"},
 438     {0x1302, "TLS_AES_256_GCM_SHA384"},
 439     {0x1303, "TLS_CHACHA20_POLY1305_SHA256"},
 440     {0x1304, "TLS_AES_128_CCM_SHA256"},
 441     {0x1305, "TLS_AES_128_CCM_8_SHA256"},
 442     {0xFEFE, "SSL_RSA_FIPS_WITH_DES_CBC_SHA"},
 443     {0xFEFF, "SSL_RSA_FIPS_WITH_3DES_EDE_CBC_SHA"},
 444     {0xFF85, "GOST2012-GOST8912-GOST8912"},
 445     {0xFF87, "GOST2012-NULL-GOST12"},
 446 };
 447
 448 /* Compression methods */
 449 static const ssl_trace_tbl ssl_comp_tbl[] = {
 450     {0x0000, "No Compression"},
 451     {0x0001, "Zlib Compression"}
 452 };
 453
 454 /* Extensions sorted by ascending id */
 455 static const ssl_trace_tbl ssl_exts_tbl[] = {
 456     {TLSEXT_TYPE_server_name, "server_name"},
 457     {TLSEXT_TYPE_max_fragment_length, "max_fragment_length"},
 458     {TLSEXT_TYPE_client_certificate_url, "client_certificate_url"},
 459     {TLSEXT_TYPE_trusted_ca_keys, "trusted_ca_keys"},
 460     {TLSEXT_TYPE_truncated_hmac, "truncated_hmac"},
 461     {TLSEXT_TYPE_status_request, "status_request"},
 462     {TLSEXT_TYPE_user_mapping, "user_mapping"},
 463     {TLSEXT_TYPE_client_authz, "client_authz"},
 464     {TLSEXT_TYPE_server_authz, "server_authz"},
 465     {TLSEXT_TYPE_cert_type, "cert_type"},
 466     {TLSEXT_TYPE_supported_groups, "supported_groups"},
 467     {TLSEXT_TYPE_ec_point_formats, "ec_point_formats"},
 468     {TLSEXT_TYPE_srp, "srp"},
 469     {TLSEXT_TYPE_signature_algorithms, "signature_algorithms"},
 470     {TLSEXT_TYPE_use_srtp, "use_srtp"},
 471     {TLSEXT_TYPE_heartbeat, "tls_heartbeat"},
 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_heartbeat:
 787         return 0;
 788
 789     case TLSEXT_TYPE_session_ticket:
 790         if (extlen != 0)
 791             ssl_print_hex(bio, indent + 4, "ticket", ext, extlen);
 792         break;
 793
 794     case TLSEXT_TYPE_key_share:
 795         if (server && extlen == 2) {
 796             int group_id;
 797
 798             /* We assume this is an HRR, otherwise this is an invalid key_share */
 799             group_id = (ext[0] << 8) | ext[1];
 800             BIO_indent(bio, indent + 4, 80);
 801             BIO_printf(bio, "NamedGroup: %s (%d)\n",
 802                        ssl_trace_str(group_id, ssl_groups_tbl), group_id);
 803             break;
 804         }
 805         if (extlen < 2)
 806             return 0;
 807         if (server) {
 808             xlen = extlen;
 809         } else {
 810             xlen = (ext[0] << 8) | ext[1];
 811             if (extlen != xlen + 2)
 812                 return 0;
 813             ext += 2;
 814         }
 815         for (; xlen > 0; ext += share_len, xlen -= share_len) {
 816             int group_id;
 817
 818             if (xlen < 4)
 819                 return 0;
 820             group_id = (ext[0] << 8) | ext[1];
 821             share_len = (ext[2] << 8) | ext[3];
 822             ext += 4;
 823             xlen -= 4;
 824             if (xlen < share_len)
 825                 return 0;
 826             BIO_indent(bio, indent + 4, 80);
 827             BIO_printf(bio, "NamedGroup: %s (%d)\n",
 828                        ssl_trace_str(group_id, ssl_groups_tbl), group_id);
 829             ssl_print_hex(bio, indent + 4, "key_exchange: ", ext, share_len);
 830         }
 831         break;
 832
 833     case TLSEXT_TYPE_supported_versions:
 834         if (server) {
 835             int version;
 836
 837             if (extlen != 2)
 838                 return 0;
 839             version = (ext[0] << 8) | ext[1];
 840             BIO_indent(bio, indent + 4, 80);
 841             BIO_printf(bio, "%s (%d)\n",
 842                        ssl_trace_str(version, ssl_version_tbl), version);
 843             break;
 844         }
 845         if (extlen < 1)
 846             return 0;
 847         xlen = ext[0];
 848         if (extlen != xlen + 1)
 849             return 0;
 850         return ssl_trace_list(bio, indent + 2, ext + 1, xlen, 2,
 851                               ssl_version_tbl);
 852
 853     case TLSEXT_TYPE_psk_kex_modes:
 854         if (extlen < 1)
 855             return 0;
 856         xlen = ext[0];
 857         if (extlen != xlen + 1)
 858             return 0;
 859         return ssl_trace_list(bio, indent + 2, ext + 1, xlen, 1,
 860                               ssl_psk_kex_modes_tbl);
 861
 862     case TLSEXT_TYPE_early_data:
 863         if (mt != SSL3_MT_NEWSESSION_TICKET)
 864             break;
 865         if (extlen != 4)
 866             return 0;
 867         max_early_data = (ext[0] << 24) | (ext[1] << 16) | (ext[2] << 8)
 868                          | ext[3];
 869         BIO_indent(bio, indent + 2, 80);
 870         BIO_printf(bio, "max_early_data=%u\n", max_early_data);
 871         break;
 872
 873     default:
 874         BIO_dump_indent(bio, (const char *)ext, extlen, indent + 2);
 875     }
 876     return 1;
 877 }
 878
 879 static int ssl_print_extensions(BIO *bio, int indent, int server,
 880                                 unsigned char mt, const unsigned char **msgin,
 881                                 size_t *msginlen)
 882 {
 883     size_t extslen, msglen = *msginlen;
 884     const unsigned char *msg = *msgin;
 885
 886     BIO_indent(bio, indent, 80);
 887     if (msglen == 0) {
 888         BIO_puts(bio, "No extensions\n");
 889         return 1;
 890     }
 891     if (msglen < 2)
 892         return 0;
 893     extslen = (msg[0] << 8) | msg[1];
 894     msglen -= 2;
 895     msg += 2;
 896     if (extslen == 0) {
 897         BIO_puts(bio, "No extensions\n");
 898         *msgin = msg;
 899         *msginlen = msglen;
 900         return 1;
 901     }
 902     if (extslen > msglen)
 903         return 0;
 904     BIO_printf(bio, "extensions, length = %d\n", (int)extslen);
 905     msglen -= extslen;
 906     while (extslen > 0) {
 907         int extype;
 908         size_t extlen;
 909         if (extslen < 4)
 910             return 0;
 911         extype = (msg[0] << 8) | msg[1];
 912         extlen = (msg[2] << 8) | msg[3];
 913         if (extslen < extlen + 4) {
 914             BIO_printf(bio, "extensions, extype = %d, extlen = %d\n", extype,
 915                        (int)extlen);
 916             BIO_dump_indent(bio, (const char *)msg, extslen, indent + 2);
 917             return 0;
 918         }
 919         msg += 4;
 920         if (!ssl_print_extension(bio, indent + 2, server, mt, extype, msg,
 921                                  extlen))
 922             return 0;
 923         msg += extlen;
 924         extslen -= extlen + 4;
 925     }
 926
 927     *msgin = msg;
 928     *msginlen = msglen;
 929     return 1;
 930 }
 931
 932 static int ssl_print_client_hello(BIO *bio, const SSL *ssl, int indent,
 933                                   const unsigned char *msg, size_t msglen)
 934 {
 935     size_t len;
 936     unsigned int cs;
 937
 938     if (!ssl_print_version(bio, indent, "client_version", &msg, &msglen, NULL))
 939         return 0;
 940     if (!ssl_print_random(bio, indent, &msg, &msglen))
 941         return 0;
 942     if (!ssl_print_hexbuf(bio, indent, "session_id", 1, &msg, &msglen))
 943         return 0;
 944     if (SSL_IS_DTLS(ssl)) {
 945         if (!ssl_print_hexbuf(bio, indent, "cookie", 1, &msg, &msglen))
 946             return 0;
 947     }
 948     if (msglen < 2)
 949         return 0;
 950     len = (msg[0] << 8) | msg[1];
 951     msg += 2;
 952     msglen -= 2;
 953     BIO_indent(bio, indent, 80);
 954     BIO_printf(bio, "cipher_suites (len=%d)\n", (int)len);
 955     if (msglen < len || len & 1)
 956         return 0;
 957     while (len > 0) {
 958         cs = (msg[0] << 8) | msg[1];
 959         BIO_indent(bio, indent + 2, 80);
 960         BIO_printf(bio, "{0x%02X, 0x%02X} %s\n",
 961                    msg[0], msg[1], ssl_trace_str(cs, ssl_ciphers_tbl));
 962         msg += 2;
 963         msglen -= 2;
 964         len -= 2;
 965     }
 966     if (msglen < 1)
 967         return 0;
 968     len = msg[0];
 969     msg++;
 970     msglen--;
 971     if (msglen < len)
 972         return 0;
 973     BIO_indent(bio, indent, 80);
 974     BIO_printf(bio, "compression_methods (len=%d)\n", (int)len);
 975     while (len > 0) {
 976         BIO_indent(bio, indent + 2, 80);
 977         BIO_printf(bio, "%s (0x%02X)\n",
 978                    ssl_trace_str(msg[0], ssl_comp_tbl), msg[0]);
 979         msg++;
 980         msglen--;
 981         len--;
 982     }
 983     if (!ssl_print_extensions(bio, indent, 0, SSL3_MT_CLIENT_HELLO, &msg,
 984                               &msglen))
 985         return 0;
 986     return 1;
 987 }
 988
 989 static int dtls_print_hello_vfyrequest(BIO *bio, int indent,
 990                                        const unsigned char *msg, size_t msglen)
 991 {
 992     if (!ssl_print_version(bio, indent, "server_version", &msg, &msglen, NULL))
 993         return 0;
 994     if (!ssl_print_hexbuf(bio, indent, "cookie", 1, &msg, &msglen))
 995         return 0;
 996     return 1;
 997 }
 998
 999 static int ssl_print_server_hello(BIO *bio, int indent,
1000                                   const unsigned char *msg, size_t msglen)
1001 {
1002     unsigned int cs;
1003     unsigned int vers;
1004
1005     if (!ssl_print_version(bio, indent, "server_version", &msg, &msglen, &vers))
1006         return 0;
1007     if (!ssl_print_random(bio, indent, &msg, &msglen))
1008         return 0;
1009     if (vers != TLS1_3_VERSION
1010             && !ssl_print_hexbuf(bio, indent, "session_id", 1, &msg, &msglen))
1011         return 0;
1012     if (msglen < 2)
1013         return 0;
1014     cs = (msg[0] << 8) | msg[1];
1015     BIO_indent(bio, indent, 80);
1016     BIO_printf(bio, "cipher_suite {0x%02X, 0x%02X} %s\n",
1017                msg[0], msg[1], ssl_trace_str(cs, ssl_ciphers_tbl));
1018     msg += 2;
1019     msglen -= 2;
1020     if (vers != TLS1_3_VERSION) {
1021         if (msglen < 1)
1022             return 0;
1023         BIO_indent(bio, indent, 80);
1024         BIO_printf(bio, "compression_method: %s (0x%02X)\n",
1025                    ssl_trace_str(msg[0], ssl_comp_tbl), msg[0]);
1026         msg++;
1027         msglen--;
1028     }
1029     if (!ssl_print_extensions(bio, indent, 1, SSL3_MT_SERVER_HELLO, &msg,
1030                               &msglen))
1031         return 0;
1032     return 1;
1033 }
1034
1035 static int ssl_get_keyex(const char **pname, const SSL *ssl)
1036 {
1037     unsigned long alg_k = ssl->s3->tmp.new_cipher->algorithm_mkey;
1038
1039     if (alg_k & SSL_kRSA) {
1040         *pname = "rsa";
1041         return SSL_kRSA;
1042     }
1043     if (alg_k & SSL_kDHE) {
1044         *pname = "DHE";
1045         return SSL_kDHE;
1046     }
1047     if (alg_k & SSL_kECDHE) {
1048         *pname = "ECDHE";
1049         return SSL_kECDHE;
1050     }
1051     if (alg_k & SSL_kPSK) {
1052         *pname = "PSK";
1053         return SSL_kPSK;
1054     }
1055     if (alg_k & SSL_kRSAPSK) {
1056         *pname = "RSAPSK";
1057         return SSL_kRSAPSK;
1058     }
1059     if (alg_k & SSL_kDHEPSK) {
1060         *pname = "DHEPSK";
1061         return SSL_kDHEPSK;
1062     }
1063     if (alg_k & SSL_kECDHEPSK) {
1064         *pname = "ECDHEPSK";
1065         return SSL_kECDHEPSK;
1066     }
1067     if (alg_k & SSL_kSRP) {
1068         *pname = "SRP";
1069         return SSL_kSRP;
1070     }
1071     if (alg_k & SSL_kGOST) {
1072         *pname = "GOST";
1073         return SSL_kGOST;
1074     }
1075     *pname = "UNKNOWN";
1076     return 0;
1077 }
1078
1079 static int ssl_print_client_keyex(BIO *bio, int indent, const SSL *ssl,
1080                                   const unsigned char *msg, size_t msglen)
1081 {
1082     const char *algname;
1083     int id = ssl_get_keyex(&algname, ssl);
1084
1085     BIO_indent(bio, indent, 80);
1086     BIO_printf(bio, "KeyExchangeAlgorithm=%s\n", algname);
1087     if (id & SSL_PSK) {
1088         if (!ssl_print_hexbuf(bio, indent + 2,
1089                               "psk_identity", 2, &msg, &msglen))
1090             return 0;
1091     }
1092     switch (id) {
1093
1094     case SSL_kRSA:
1095     case SSL_kRSAPSK:
1096         if (TLS1_get_version(ssl) == SSL3_VERSION) {
1097             ssl_print_hex(bio, indent + 2,
1098                           "EncryptedPreMasterSecret", msg, msglen);
1099         } else {
1100             if (!ssl_print_hexbuf(bio, indent + 2,
1101                                   "EncryptedPreMasterSecret", 2, &msg, &msglen))
1102                 return 0;
1103         }
1104         break;
1105
1106     case SSL_kDHE:
1107     case SSL_kDHEPSK:
1108         if (!ssl_print_hexbuf(bio, indent + 2, "dh_Yc", 2, &msg, &msglen))
1109             return 0;
1110         break;
1111
1112     case SSL_kECDHE:
1113     case SSL_kECDHEPSK:
1114         if (!ssl_print_hexbuf(bio, indent + 2, "ecdh_Yc", 1, &msg, &msglen))
1115             return 0;
1116         break;
1117
1118     }
1119
1120     return !msglen;
1121 }
1122
1123 static int ssl_print_server_keyex(BIO *bio, int indent, const SSL *ssl,
1124                                   const unsigned char *msg, size_t msglen)
1125 {
1126     const char *algname;
1127     int id = ssl_get_keyex(&algname, ssl);
1128
1129     BIO_indent(bio, indent, 80);
1130     BIO_printf(bio, "KeyExchangeAlgorithm=%s\n", algname);
1131     if (id & SSL_PSK) {
1132         if (!ssl_print_hexbuf(bio, indent + 2,
1133                               "psk_identity_hint", 2, &msg, &msglen))
1134             return 0;
1135     }
1136     switch (id) {
1137     case SSL_kRSA:
1138
1139         if (!ssl_print_hexbuf(bio, indent + 2, "rsa_modulus", 2, &msg, &msglen))
1140             return 0;
1141         if (!ssl_print_hexbuf(bio, indent + 2, "rsa_exponent", 2,
1142                               &msg, &msglen))
1143             return 0;
1144         break;
1145
1146     case SSL_kDHE:
1147     case SSL_kDHEPSK:
1148         if (!ssl_print_hexbuf(bio, indent + 2, "dh_p", 2, &msg, &msglen))
1149             return 0;
1150         if (!ssl_print_hexbuf(bio, indent + 2, "dh_g", 2, &msg, &msglen))
1151             return 0;
1152         if (!ssl_print_hexbuf(bio, indent + 2, "dh_Ys", 2, &msg, &msglen))
1153             return 0;
1154         break;
1155
1156 # ifndef OPENSSL_NO_EC
1157     case SSL_kECDHE:
1158     case SSL_kECDHEPSK:
1159         if (msglen < 1)
1160             return 0;
1161         BIO_indent(bio, indent + 2, 80);
1162         if (msg[0] == EXPLICIT_PRIME_CURVE_TYPE)
1163             BIO_puts(bio, "explicit_prime\n");
1164         else if (msg[0] == EXPLICIT_CHAR2_CURVE_TYPE)
1165             BIO_puts(bio, "explicit_char2\n");
1166         else if (msg[0] == NAMED_CURVE_TYPE) {
1167             int curve;
1168             if (msglen < 3)
1169                 return 0;
1170             curve = (msg[1] << 8) | msg[2];
1171             BIO_printf(bio, "named_curve: %s (%d)\n",
1172                        ssl_trace_str(curve, ssl_groups_tbl), curve);
1173             msg += 3;
1174             msglen -= 3;
1175             if (!ssl_print_hexbuf(bio, indent + 2, "point", 1, &msg, &msglen))
1176                 return 0;
1177         } else {
1178             BIO_printf(bio, "UNKNOWN CURVE PARAMETER TYPE %d\n", msg[0]);
1179             return 0;
1180         }
1181         break;
1182 # endif
1183
1184     case SSL_kPSK:
1185     case SSL_kRSAPSK:
1186         break;
1187     }
1188     if (!(id & SSL_PSK))
1189         ssl_print_signature(bio, indent, ssl, &msg, &msglen);
1190     return !msglen;
1191 }
1192
1193 static int ssl_print_certificate(BIO *bio, int indent,
1194                                  const unsigned char **pmsg, size_t *pmsglen)
1195 {
1196     size_t msglen = *pmsglen;
1197     size_t clen;
1198     X509 *x;
1199     const unsigned char *p = *pmsg, *q;
1200
1201     if (msglen < 3)
1202         return 0;
1203     clen = (p[0] << 16) | (p[1] << 8) | p[2];
1204     if (msglen < clen + 3)
1205         return 0;
1206     q = p + 3;
1207     BIO_indent(bio, indent, 80);
1208     BIO_printf(bio, "ASN.1Cert, length=%d", (int)clen);
1209     x = d2i_X509(NULL, &q, clen);
1210     if (!x)
1211         BIO_puts(bio, "<UNPARSEABLE CERTIFICATE>\n");
1212     else {
1213         BIO_puts(bio, "\n------details-----\n");
1214         X509_print_ex(bio, x, XN_FLAG_ONELINE, 0);
1215         PEM_write_bio_X509(bio, x);
1216         /* Print certificate stuff */
1217         BIO_puts(bio, "------------------\n");
1218         X509_free(x);
1219     }
1220     if (q != p + 3 + clen) {
1221         BIO_puts(bio, "<TRAILING GARBAGE AFTER CERTIFICATE>\n");
1222     }
1223     *pmsg += clen + 3;
1224     *pmsglen -= clen + 3;
1225     return 1;
1226 }
1227
1228 static int ssl_print_certificates(BIO *bio, const SSL *ssl, int server,
1229                                   int indent, const unsigned char *msg,
1230                                   size_t msglen)
1231 {
1232     size_t clen;
1233
1234     if (SSL_IS_TLS13(ssl)
1235             && !ssl_print_hexbuf(bio, indent, "context", 1, &msg, &msglen))
1236         return 0;
1237
1238     if (msglen < 3)
1239         return 0;
1240     clen = (msg[0] << 16) | (msg[1] << 8) | msg[2];
1241     if (msglen != clen + 3)
1242         return 0;
1243     msg += 3;
1244     BIO_indent(bio, indent, 80);
1245     BIO_printf(bio, "certificate_list, length=%d\n", (int)clen);
1246     while (clen > 0) {
1247         if (!ssl_print_certificate(bio, indent + 2, &msg, &clen))
1248             return 0;
1249         if (!ssl_print_extensions(bio, indent + 2, server, SSL3_MT_CERTIFICATE,
1250                                   &msg, &clen))
1251             return 0;
1252
1253     }
1254     return 1;
1255 }
1256
1257 static int ssl_print_cert_request(BIO *bio, int indent, const SSL *ssl,
1258                                   const unsigned char *msg, size_t msglen)
1259 {
1260     size_t xlen;
1261     unsigned int sigalg;
1262
1263     if (SSL_IS_TLS13(ssl)) {
1264         if (!ssl_print_hexbuf(bio, indent, "request_context", 1, &msg, &msglen))
1265             return 0;
1266         if (!ssl_print_extensions(bio, indent, 1,
1267                                   SSL3_MT_CERTIFICATE_REQUEST, &msg, &msglen))
1268             return 0;
1269         return 1;
1270     } else {
1271         if (msglen < 1)
1272             return 0;
1273         xlen = msg[0];
1274         if (msglen < xlen + 1)
1275             return 0;
1276         msg++;
1277         BIO_indent(bio, indent, 80);
1278         BIO_printf(bio, "certificate_types (len=%d)\n", (int)xlen);
1279         if (!ssl_trace_list(bio, indent + 2, msg, xlen, 1, ssl_ctype_tbl))
1280             return 0;
1281         msg += xlen;
1282         msglen -= xlen + 1;
1283     }
1284     if (SSL_USE_SIGALGS(ssl)) {
1285         if (msglen < 2)
1286             return 0;
1287         xlen = (msg[0] << 8) | msg[1];
1288         if (msglen < xlen + 2 || (xlen & 1))
1289             return 0;
1290         msg += 2;
1291         msglen -= xlen + 2;
1292         BIO_indent(bio, indent, 80);
1293         BIO_printf(bio, "signature_algorithms (len=%d)\n", (int)xlen);
1294         while (xlen > 0) {
1295             BIO_indent(bio, indent + 2, 80);
1296             sigalg = (msg[0] << 8) | msg[1];
1297             BIO_printf(bio, "%s (0x%04x)\n",
1298                        ssl_trace_str(sigalg, ssl_sigalg_tbl), sigalg);
1299             xlen -= 2;
1300             msg += 2;
1301         }
1302         msg += xlen;
1303     }
1304
1305     if (msglen < 2)
1306         return 0;
1307     xlen = (msg[0] << 8) | msg[1];
1308     BIO_indent(bio, indent, 80);
1309     if (msglen < xlen + 2)
1310         return 0;
1311     msg += 2;
1312     msglen -= 2 + xlen;
1313     BIO_printf(bio, "certificate_authorities (len=%d)\n", (int)xlen);
1314     while (xlen > 0) {
1315         size_t dlen;
1316         X509_NAME *nm;
1317         const unsigned char *p;
1318         if (xlen < 2)
1319             return 0;
1320         dlen = (msg[0] << 8) | msg[1];
1321         if (xlen < dlen + 2)
1322             return 0;
1323         msg += 2;
1324         BIO_indent(bio, indent + 2, 80);
1325         BIO_printf(bio, "DistinguishedName (len=%d): ", (int)dlen);
1326         p = msg;
1327         nm = d2i_X509_NAME(NULL, &p, dlen);
1328         if (!nm) {
1329             BIO_puts(bio, "<UNPARSEABLE DN>\n");
1330         } else {
1331             X509_NAME_print_ex(bio, nm, 0, XN_FLAG_ONELINE);
1332             BIO_puts(bio, "\n");
1333             X509_NAME_free(nm);
1334         }
1335         xlen -= dlen + 2;
1336         msg += dlen;
1337     }
1338     if (SSL_IS_TLS13(ssl)) {
1339         if (!ssl_print_hexbuf(bio, indent, "request_extensions", 2,
1340                               &msg, &msglen))
1341             return 0;
1342     }
1343     return msglen == 0;
1344 }
1345
1346 static int ssl_print_ticket(BIO *bio, int indent, const SSL *ssl,
1347                             const unsigned char *msg, size_t msglen)
1348 {
1349     unsigned int tick_life;
1350
1351     if (msglen == 0) {
1352         BIO_indent(bio, indent + 2, 80);
1353         BIO_puts(bio, "No Ticket\n");
1354         return 1;
1355     }
1356     if (msglen < 4)
1357         return 0;
1358     tick_life = (msg[0] << 24) | (msg[1] << 16) | (msg[2] << 8) | msg[3];
1359     msglen -= 4;
1360     msg += 4;
1361     BIO_indent(bio, indent + 2, 80);
1362     BIO_printf(bio, "ticket_lifetime_hint=%u\n", tick_life);
1363     if (SSL_IS_TLS13(ssl)) {
1364         unsigned int ticket_age_add;
1365
1366         if (msglen < 4)
1367             return 0;
1368         ticket_age_add =
1369             (msg[0] << 24) | (msg[1] << 16) | (msg[2] << 8) | msg[3];
1370         msglen -= 4;
1371         msg += 4;
1372         BIO_indent(bio, indent + 2, 80);
1373         BIO_printf(bio, "ticket_age_add=%u\n", ticket_age_add);
1374         if (!ssl_print_hexbuf(bio, indent + 2, "ticket_nonce", 1, &msg,
1375                               &msglen))
1376             return 0;
1377     }
1378     if (!ssl_print_hexbuf(bio, indent + 2, "ticket", 2, &msg, &msglen))
1379         return 0;
1380     if (SSL_IS_TLS13(ssl)
1381             && !ssl_print_extensions(bio, indent + 2, 0,
1382                                      SSL3_MT_NEWSESSION_TICKET, &msg, &msglen))
1383         return 0;
1384     if (msglen)
1385         return 0;
1386     return 1;
1387 }
1388
1389 static int ssl_print_handshake(BIO *bio, const SSL *ssl, int server,
1390                                const unsigned char *msg, size_t msglen,
1391                                int indent)
1392 {
1393     size_t hlen;
1394     unsigned char htype;
1395
1396     if (msglen < 4)
1397         return 0;
1398     htype = msg[0];
1399     hlen = (msg[1] << 16) | (msg[2] << 8) | msg[3];
1400     BIO_indent(bio, indent, 80);
1401     BIO_printf(bio, "%s, Length=%d\n",
1402                ssl_trace_str(htype, ssl_handshake_tbl), (int)hlen);
1403     msg += 4;
1404     msglen -= 4;
1405     if (SSL_IS_DTLS(ssl)) {
1406         if (msglen < 8)
1407             return 0;
1408         BIO_indent(bio, indent, 80);
1409         BIO_printf(bio, "message_seq=%d, fragment_offset=%d, "
1410                    "fragment_length=%d\n",
1411                    (msg[0] << 8) | msg[1],
1412                    (msg[2] << 16) | (msg[3] << 8) | msg[4],
1413                    (msg[5] << 16) | (msg[6] << 8) | msg[7]);
1414         msg += 8;
1415         msglen -= 8;
1416     }
1417     if (msglen < hlen)
1418         return 0;
1419     switch (htype) {
1420     case SSL3_MT_CLIENT_HELLO:
1421         if (!ssl_print_client_hello(bio, ssl, indent + 2, msg, msglen))
1422             return 0;
1423         break;
1424
1425     case DTLS1_MT_HELLO_VERIFY_REQUEST:
1426         if (!dtls_print_hello_vfyrequest(bio, indent + 2, msg, msglen))
1427             return 0;
1428         break;
1429
1430     case SSL3_MT_SERVER_HELLO:
1431         if (!ssl_print_server_hello(bio, indent + 2, msg, msglen))
1432             return 0;
1433         break;
1434
1435     case SSL3_MT_SERVER_KEY_EXCHANGE:
1436         if (!ssl_print_server_keyex(bio, indent + 2, ssl, msg, msglen))
1437             return 0;
1438         break;
1439
1440     case SSL3_MT_CLIENT_KEY_EXCHANGE:
1441         if (!ssl_print_client_keyex(bio, indent + 2, ssl, msg, msglen))
1442             return 0;
1443         break;
1444
1445     case SSL3_MT_CERTIFICATE:
1446         if (!ssl_print_certificates(bio, ssl, server, indent + 2, msg, msglen))
1447             return 0;
1448         break;
1449
1450     case SSL3_MT_CERTIFICATE_VERIFY:
1451         if (!ssl_print_signature(bio, indent + 2, ssl, &msg, &msglen))
1452             return 0;
1453         break;
1454
1455     case SSL3_MT_CERTIFICATE_REQUEST:
1456         if (!ssl_print_cert_request(bio, indent + 2, ssl, msg, msglen))
1457             return 0;
1458         break;
1459
1460     case SSL3_MT_FINISHED:
1461         ssl_print_hex(bio, indent + 2, "verify_data", msg, msglen);
1462         break;
1463
1464     case SSL3_MT_SERVER_DONE:
1465         if (msglen != 0)
1466             ssl_print_hex(bio, indent + 2, "unexpected value", msg, msglen);
1467         break;
1468
1469     case SSL3_MT_NEWSESSION_TICKET:
1470         if (!ssl_print_ticket(bio, indent + 2, ssl, msg, msglen))
1471             return 0;
1472         break;
1473
1474     case SSL3_MT_ENCRYPTED_EXTENSIONS:
1475         if (!ssl_print_extensions(bio, indent + 2, 1,
1476                                   SSL3_MT_ENCRYPTED_EXTENSIONS, &msg, &msglen))
1477             return 0;
1478         break;
1479
1480     case SSL3_MT_KEY_UPDATE:
1481         if (msglen != 1) {
1482             ssl_print_hex(bio, indent + 2, "unexpected value", msg, msglen);
1483             return 0;
1484         }
1485         if (!ssl_trace_list(bio, indent + 2, msg, msglen, 1,
1486                             ssl_key_update_tbl))
1487             return 0;
1488         break;
1489
1490     default:
1491         BIO_indent(bio, indent + 2, 80);
1492         BIO_puts(bio, "Unsupported, hex dump follows:\n");
1493         BIO_dump_indent(bio, (const char *)msg, msglen, indent + 4);
1494     }
1495     return 1;
1496 }
1497
1498 void SSL_trace(int write_p, int version, int content_type,
1499                const void *buf, size_t msglen, SSL *ssl, void *arg)
1500 {
1501     const unsigned char *msg = buf;
1502     BIO *bio = arg;
1503
1504     switch (content_type) {
1505     case SSL3_RT_HEADER:
1506         {
1507             int hvers;
1508
1509             /* avoid overlapping with length at the end of buffer */
1510             if (msglen < (size_t)(SSL_IS_DTLS(ssl) ?
1511                      DTLS1_RT_HEADER_LENGTH : SSL3_RT_HEADER_LENGTH)) {
1512                 BIO_puts(bio, write_p ? "Sent" : "Received");
1513                 ssl_print_hex(bio, 0, " too short message", msg, msglen);
1514                 break;
1515             }
1516             hvers = msg[1] << 8 | msg[2];
1517             BIO_puts(bio, write_p ? "Sent" : "Received");
1518             BIO_printf(bio, " Record\nHeader:\n  Version = %s (0x%x)\n",
1519                        ssl_trace_str(hvers, ssl_version_tbl), hvers);
1520             if (SSL_IS_DTLS(ssl)) {
1521                 BIO_printf(bio,
1522                            "  epoch=%d, sequence_number=%04x%04x%04x\n",
1523                            (msg[3] << 8 | msg[4]),
1524                            (msg[5] << 8 | msg[6]),
1525                            (msg[7] << 8 | msg[8]), (msg[9] << 8 | msg[10]));
1526             }
1527
1528             BIO_printf(bio, "  Content Type = %s (%d)\n  Length = %d",
1529                        ssl_trace_str(msg[0], ssl_content_tbl), msg[0],
1530                        msg[msglen - 2] << 8 | msg[msglen - 1]);
1531         }
1532         break;
1533
1534     case SSL3_RT_INNER_CONTENT_TYPE:
1535         BIO_printf(bio, "  Inner Content Type = %s (%d)",
1536                    ssl_trace_str(msg[0], ssl_content_tbl), msg[0]);
1537         break;
1538
1539     case SSL3_RT_HANDSHAKE:
1540         if (!ssl_print_handshake(bio, ssl, ssl->server ? write_p : !write_p,
1541                                  msg, msglen, 4))
1542             BIO_printf(bio, "Message length parse error!\n");
1543         break;
1544
1545     case SSL3_RT_CHANGE_CIPHER_SPEC:
1546         if (msglen == 1 && msg[0] == 1)
1547             BIO_puts(bio, "    change_cipher_spec (1)\n");
1548         else
1549             ssl_print_hex(bio, 4, "unknown value", msg, msglen);
1550         break;
1551
1552     case SSL3_RT_ALERT:
1553         if (msglen != 2)
1554             BIO_puts(bio, "    Illegal Alert Length\n");
1555         else {
1556             BIO_printf(bio, "    Level=%s(%d), description=%s(%d)\n",
1557                        SSL_alert_type_string_long(msg[0] << 8),
1558                        msg[0], SSL_alert_desc_string_long(msg[1]), msg[1]);
1559         }
1560
1561     }
1562
1563     BIO_puts(bio, "\n");
1564 }
1565
1566 #endif