ssl/t1_trce.c

   1 /*
   2  * Copyright 2012-2016 The OpenSSL Project Authors. All Rights Reserved.
   3  *
   4  * Licensed under the OpenSSL license (the "License").  You may not use
   5  * this file except in compliance with the License.  You can obtain a copy
   6  * in the file LICENSE in the source distribution or at
   7  * https://www.openssl.org/source/license.html
   8  */
   9
  10 #include "ssl_locl.h"
  11
  12 #ifndef OPENSSL_NO_SSL_TRACE
  13
  14 /* Packet trace support for OpenSSL */
  15
  16 typedef struct {
  17     int num;
  18     const char *name;
  19 } ssl_trace_tbl;
  20
  21 # define ssl_trace_str(val, tbl) \
  22         do_ssl_trace_str(val, tbl, OSSL_NELEM(tbl))
  23
  24 # define ssl_trace_list(bio, indent, msg, msglen, value, table) \
  25         do_ssl_trace_list(bio, indent, msg, msglen, value, \
  26          table, OSSL_NELEM(table))
  27
  28 static const char *do_ssl_trace_str(int val, ssl_trace_tbl *tbl, size_t ntbl)
  29 {
  30     size_t i;
  31
  32     for (i = 0; i < ntbl; i++, tbl++) {
  33         if (tbl->num == val)
  34             return tbl->name;
  35     }
  36     return "UNKNOWN";
  37 }
  38
  39 static int do_ssl_trace_list(BIO *bio, int indent,
  40                              const unsigned char *msg, size_t msglen,
  41                              size_t vlen, ssl_trace_tbl *tbl, size_t ntbl)
  42 {
  43     int val;
  44
  45     if (msglen % vlen)
  46         return 0;
  47     while (msglen) {
  48         val = msg[0];
  49         if (vlen == 2)
  50             val = (val << 8) | msg[1];
  51         BIO_indent(bio, indent, 80);
  52         BIO_printf(bio, "%s (%d)\n", do_ssl_trace_str(val, tbl, ntbl), val);
  53         msg += vlen;
  54         msglen -= vlen;
  55     }
  56     return 1;
  57 }
  58
  59 /* Version number */
  60
  61 static ssl_trace_tbl ssl_version_tbl[] = {
  62     {SSL3_VERSION, "SSL 3.0"},
  63     {TLS1_VERSION, "TLS 1.0"},
  64     {TLS1_1_VERSION, "TLS 1.1"},
  65     {TLS1_2_VERSION, "TLS 1.2"},
  66     {TLS1_3_VERSION, "TLS 1.3"},
  67     /* TODO(TLS1.3): Remove this line before release */
  68     {TLS1_3_VERSION_DRAFT, TLS1_3_VERSION_DRAFT_TXT},
  69     {DTLS1_VERSION, "DTLS 1.0"},
  70     {DTLS1_2_VERSION, "DTLS 1.2"},
  71     {DTLS1_BAD_VER, "DTLS 1.0 (bad)"}
  72 };
  73
  74 static ssl_trace_tbl ssl_content_tbl[] = {
  75     {SSL3_RT_CHANGE_CIPHER_SPEC, "ChangeCipherSpec"},
  76     {SSL3_RT_ALERT, "Alert"},
  77     {SSL3_RT_HANDSHAKE, "Handshake"},
  78     {SSL3_RT_APPLICATION_DATA, "ApplicationData"},
  79 };
  80
  81 /* Handshake types */
  82 static ssl_trace_tbl ssl_handshake_tbl[] = {
  83     {SSL3_MT_HELLO_REQUEST, "HelloRequest"},
  84     {SSL3_MT_CLIENT_HELLO, "ClientHello"},
  85     {SSL3_MT_SERVER_HELLO, "ServerHello"},
  86     {DTLS1_MT_HELLO_VERIFY_REQUEST, "HelloVerifyRequest"},
  87     {SSL3_MT_NEWSESSION_TICKET, "NewSessionTicket"},
  88     {SSL3_MT_HELLO_RETRY_REQUEST, "HelloRetryRequest"},
  89     {SSL3_MT_ENCRYPTED_EXTENSIONS, "EncryptedExtensions"},
  90     {SSL3_MT_CERTIFICATE, "Certificate"},
  91     {SSL3_MT_SERVER_KEY_EXCHANGE, "ServerKeyExchange"},
  92     {SSL3_MT_CERTIFICATE_REQUEST, "CertificateRequest"},
  93     {SSL3_MT_SERVER_DONE, "ServerHelloDone"},
  94     {SSL3_MT_CERTIFICATE_VERIFY, "CertificateVerify"},
  95     {SSL3_MT_CLIENT_KEY_EXCHANGE, "ClientKeyExchange"},
  96     {SSL3_MT_CERTIFICATE_STATUS, "CertificateStatus"},
  97     {SSL3_MT_CLIENT_KEY_EXCHANGE, "ClientKeyExchange"},
  98     {SSL3_MT_FINISHED, "Finished"},
  99     {SSL3_MT_CERTIFICATE_STATUS, "CertificateStatus"},
 100     {SSL3_MT_KEY_UPDATE, "KeyUpdate"}
 101 };
 102
 103 /* Cipher suites */
 104 static ssl_trace_tbl ssl_ciphers_tbl[] = {
 105     {0x0000, "SSL_NULL_WITH_NULL_NULL"},
 106     {0x0001, "SSL_RSA_WITH_NULL_MD5"},
 107     {0x0002, "SSL_RSA_WITH_NULL_SHA"},
 108     {0x0003, "SSL_RSA_EXPORT_WITH_RC4_40_MD5"},
 109     {0x0004, "SSL_RSA_WITH_RC4_128_MD5"},
 110     {0x0005, "SSL_RSA_WITH_RC4_128_SHA"},
 111     {0x0006, "SSL_RSA_EXPORT_WITH_RC2_CBC_40_MD5"},
 112     {0x0007, "SSL_RSA_WITH_IDEA_CBC_SHA"},
 113     {0x0008, "SSL_RSA_EXPORT_WITH_DES40_CBC_SHA"},
 114     {0x0009, "SSL_RSA_WITH_DES_CBC_SHA"},
 115     {0x000A, "SSL_RSA_WITH_3DES_EDE_CBC_SHA"},
 116     {0x000B, "SSL_DH_DSS_EXPORT_WITH_DES40_CBC_SHA"},
 117     {0x000C, "SSL_DH_DSS_WITH_DES_CBC_SHA"},
 118     {0x000D, "SSL_DH_DSS_WITH_3DES_EDE_CBC_SHA"},
 119     {0x000E, "SSL_DH_RSA_EXPORT_WITH_DES40_CBC_SHA"},
 120     {0x000F, "SSL_DH_RSA_WITH_DES_CBC_SHA"},
 121     {0x0010, "SSL_DH_RSA_WITH_3DES_EDE_CBC_SHA"},
 122     {0x0011, "SSL_DHE_DSS_EXPORT_WITH_DES40_CBC_SHA"},
 123     {0x0012, "SSL_DHE_DSS_WITH_DES_CBC_SHA"},
 124     {0x0013, "SSL_DHE_DSS_WITH_3DES_EDE_CBC_SHA"},
 125     {0x0014, "SSL_DHE_RSA_EXPORT_WITH_DES40_CBC_SHA"},
 126     {0x0015, "SSL_DHE_RSA_WITH_DES_CBC_SHA"},
 127     {0x0016, "SSL_DHE_RSA_WITH_3DES_EDE_CBC_SHA"},
 128     {0x0017, "SSL_DH_anon_EXPORT_WITH_RC4_40_MD5"},
 129     {0x0018, "SSL_DH_anon_WITH_RC4_128_MD5"},
 130     {0x0019, "SSL_DH_anon_EXPORT_WITH_DES40_CBC_SHA"},
 131     {0x001A, "SSL_DH_anon_WITH_DES_CBC_SHA"},
 132     {0x001B, "SSL_DH_anon_WITH_3DES_EDE_CBC_SHA"},
 133     {0x001D, "SSL_FORTEZZA_KEA_WITH_FORTEZZA_CBC_SHA"},
 134     {0x001E, "SSL_FORTEZZA_KEA_WITH_RC4_128_SHA"},
 135     {0x001F, "TLS_KRB5_WITH_3DES_EDE_CBC_SHA"},
 136     {0x0020, "TLS_KRB5_WITH_RC4_128_SHA"},
 137     {0x0021, "TLS_KRB5_WITH_IDEA_CBC_SHA"},
 138     {0x0022, "TLS_KRB5_WITH_DES_CBC_MD5"},
 139     {0x0023, "TLS_KRB5_WITH_3DES_EDE_CBC_MD5"},
 140     {0x0024, "TLS_KRB5_WITH_RC4_128_MD5"},
 141     {0x0025, "TLS_KRB5_WITH_IDEA_CBC_MD5"},
 142     {0x0026, "TLS_KRB5_EXPORT_WITH_DES_CBC_40_SHA"},
 143     {0x0027, "TLS_KRB5_EXPORT_WITH_RC2_CBC_40_SHA"},
 144     {0x0028, "TLS_KRB5_EXPORT_WITH_RC4_40_SHA"},
 145     {0x0029, "TLS_KRB5_EXPORT_WITH_DES_CBC_40_MD5"},
 146     {0x002A, "TLS_KRB5_EXPORT_WITH_RC2_CBC_40_MD5"},
 147     {0x002B, "TLS_KRB5_EXPORT_WITH_RC4_40_MD5"},
 148     {0x002C, "TLS_PSK_WITH_NULL_SHA"},
 149     {0x002D, "TLS_DHE_PSK_WITH_NULL_SHA"},
 150     {0x002E, "TLS_RSA_PSK_WITH_NULL_SHA"},
 151     {0x002F, "TLS_RSA_WITH_AES_128_CBC_SHA"},
 152     {0x0030, "TLS_DH_DSS_WITH_AES_128_CBC_SHA"},
 153     {0x0031, "TLS_DH_RSA_WITH_AES_128_CBC_SHA"},
 154     {0x0032, "TLS_DHE_DSS_WITH_AES_128_CBC_SHA"},
 155     {0x0033, "TLS_DHE_RSA_WITH_AES_128_CBC_SHA"},
 156     {0x0034, "TLS_DH_anon_WITH_AES_128_CBC_SHA"},
 157     {0x0035, "TLS_RSA_WITH_AES_256_CBC_SHA"},
 158     {0x0036, "TLS_DH_DSS_WITH_AES_256_CBC_SHA"},
 159     {0x0037, "TLS_DH_RSA_WITH_AES_256_CBC_SHA"},
 160     {0x0038, "TLS_DHE_DSS_WITH_AES_256_CBC_SHA"},
 161     {0x0039, "TLS_DHE_RSA_WITH_AES_256_CBC_SHA"},
 162     {0x003A, "TLS_DH_anon_WITH_AES_256_CBC_SHA"},
 163     {0x003B, "TLS_RSA_WITH_NULL_SHA256"},
 164     {0x003C, "TLS_RSA_WITH_AES_128_CBC_SHA256"},
 165     {0x003D, "TLS_RSA_WITH_AES_256_CBC_SHA256"},
 166     {0x003E, "TLS_DH_DSS_WITH_AES_128_CBC_SHA256"},
 167     {0x003F, "TLS_DH_RSA_WITH_AES_128_CBC_SHA256"},
 168     {0x0040, "TLS_DHE_DSS_WITH_AES_128_CBC_SHA256"},
 169     {0x0041, "TLS_RSA_WITH_CAMELLIA_128_CBC_SHA"},
 170     {0x0042, "TLS_DH_DSS_WITH_CAMELLIA_128_CBC_SHA"},
 171     {0x0043, "TLS_DH_RSA_WITH_CAMELLIA_128_CBC_SHA"},
 172     {0x0044, "TLS_DHE_DSS_WITH_CAMELLIA_128_CBC_SHA"},
 173     {0x0045, "TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA"},
 174     {0x0046, "TLS_DH_anon_WITH_CAMELLIA_128_CBC_SHA"},
 175     {0x0067, "TLS_DHE_RSA_WITH_AES_128_CBC_SHA256"},
 176     {0x0068, "TLS_DH_DSS_WITH_AES_256_CBC_SHA256"},
 177     {0x0069, "TLS_DH_RSA_WITH_AES_256_CBC_SHA256"},
 178     {0x006A, "TLS_DHE_DSS_WITH_AES_256_CBC_SHA256"},
 179     {0x006B, "TLS_DHE_RSA_WITH_AES_256_CBC_SHA256"},
 180     {0x006C, "TLS_DH_anon_WITH_AES_128_CBC_SHA256"},
 181     {0x006D, "TLS_DH_anon_WITH_AES_256_CBC_SHA256"},
 182     {0x0084, "TLS_RSA_WITH_CAMELLIA_256_CBC_SHA"},
 183     {0x0085, "TLS_DH_DSS_WITH_CAMELLIA_256_CBC_SHA"},
 184     {0x0086, "TLS_DH_RSA_WITH_CAMELLIA_256_CBC_SHA"},
 185     {0x0087, "TLS_DHE_DSS_WITH_CAMELLIA_256_CBC_SHA"},
 186     {0x0088, "TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA"},
 187     {0x0089, "TLS_DH_anon_WITH_CAMELLIA_256_CBC_SHA"},
 188     {0x008A, "TLS_PSK_WITH_RC4_128_SHA"},
 189     {0x008B, "TLS_PSK_WITH_3DES_EDE_CBC_SHA"},
 190     {0x008C, "TLS_PSK_WITH_AES_128_CBC_SHA"},
 191     {0x008D, "TLS_PSK_WITH_AES_256_CBC_SHA"},
 192     {0x008E, "TLS_DHE_PSK_WITH_RC4_128_SHA"},
 193     {0x008F, "TLS_DHE_PSK_WITH_3DES_EDE_CBC_SHA"},
 194     {0x0090, "TLS_DHE_PSK_WITH_AES_128_CBC_SHA"},
 195     {0x0091, "TLS_DHE_PSK_WITH_AES_256_CBC_SHA"},
 196     {0x0092, "TLS_RSA_PSK_WITH_RC4_128_SHA"},
 197     {0x0093, "TLS_RSA_PSK_WITH_3DES_EDE_CBC_SHA"},
 198     {0x0094, "TLS_RSA_PSK_WITH_AES_128_CBC_SHA"},
 199     {0x0095, "TLS_RSA_PSK_WITH_AES_256_CBC_SHA"},
 200     {0x0096, "TLS_RSA_WITH_SEED_CBC_SHA"},
 201     {0x0097, "TLS_DH_DSS_WITH_SEED_CBC_SHA"},
 202     {0x0098, "TLS_DH_RSA_WITH_SEED_CBC_SHA"},
 203     {0x0099, "TLS_DHE_DSS_WITH_SEED_CBC_SHA"},
 204     {0x009A, "TLS_DHE_RSA_WITH_SEED_CBC_SHA"},
 205     {0x009B, "TLS_DH_anon_WITH_SEED_CBC_SHA"},
 206     {0x009C, "TLS_RSA_WITH_AES_128_GCM_SHA256"},
 207     {0x009D, "TLS_RSA_WITH_AES_256_GCM_SHA384"},
 208     {0x009E, "TLS_DHE_RSA_WITH_AES_128_GCM_SHA256"},
 209     {0x009F, "TLS_DHE_RSA_WITH_AES_256_GCM_SHA384"},
 210     {0x00A0, "TLS_DH_RSA_WITH_AES_128_GCM_SHA256"},
 211     {0x00A1, "TLS_DH_RSA_WITH_AES_256_GCM_SHA384"},
 212     {0x00A2, "TLS_DHE_DSS_WITH_AES_128_GCM_SHA256"},
 213     {0x00A3, "TLS_DHE_DSS_WITH_AES_256_GCM_SHA384"},
 214     {0x00A4, "TLS_DH_DSS_WITH_AES_128_GCM_SHA256"},
 215     {0x00A5, "TLS_DH_DSS_WITH_AES_256_GCM_SHA384"},
 216     {0x00A6, "TLS_DH_anon_WITH_AES_128_GCM_SHA256"},
 217     {0x00A7, "TLS_DH_anon_WITH_AES_256_GCM_SHA384"},
 218     {0x00A8, "TLS_PSK_WITH_AES_128_GCM_SHA256"},
 219     {0x00A9, "TLS_PSK_WITH_AES_256_GCM_SHA384"},
 220     {0x00AA, "TLS_DHE_PSK_WITH_AES_128_GCM_SHA256"},
 221     {0x00AB, "TLS_DHE_PSK_WITH_AES_256_GCM_SHA384"},
 222     {0x00AC, "TLS_RSA_PSK_WITH_AES_128_GCM_SHA256"},
 223     {0x00AD, "TLS_RSA_PSK_WITH_AES_256_GCM_SHA384"},
 224     {0x00AE, "TLS_PSK_WITH_AES_128_CBC_SHA256"},
 225     {0x00AF, "TLS_PSK_WITH_AES_256_CBC_SHA384"},
 226     {0x00B0, "TLS_PSK_WITH_NULL_SHA256"},
 227     {0x00B1, "TLS_PSK_WITH_NULL_SHA384"},
 228     {0x00B2, "TLS_DHE_PSK_WITH_AES_128_CBC_SHA256"},
 229     {0x00B3, "TLS_DHE_PSK_WITH_AES_256_CBC_SHA384"},
 230     {0x00B4, "TLS_DHE_PSK_WITH_NULL_SHA256"},
 231     {0x00B5, "TLS_DHE_PSK_WITH_NULL_SHA384"},
 232     {0x00B6, "TLS_RSA_PSK_WITH_AES_128_CBC_SHA256"},
 233     {0x00B7, "TLS_RSA_PSK_WITH_AES_256_CBC_SHA384"},
 234     {0x00B8, "TLS_RSA_PSK_WITH_NULL_SHA256"},
 235     {0x00B9, "TLS_RSA_PSK_WITH_NULL_SHA384"},
 236     {0x00BA, "TLS_RSA_WITH_CAMELLIA_128_CBC_SHA256"},
 237     {0x00BB, "TLS_DH_DSS_WITH_CAMELLIA_128_CBC_SHA256"},
 238     {0x00BC, "TLS_DH_RSA_WITH_CAMELLIA_128_CBC_SHA256"},
 239     {0x00BD, "TLS_DHE_DSS_WITH_CAMELLIA_128_CBC_SHA256"},
 240     {0x00BE, "TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA256"},
 241     {0x00BF, "TLS_DH_anon_WITH_CAMELLIA_128_CBC_SHA256"},
 242     {0x00C0, "TLS_RSA_WITH_CAMELLIA_256_CBC_SHA256"},
 243     {0x00C1, "TLS_DH_DSS_WITH_CAMELLIA_256_CBC_SHA256"},
 244     {0x00C2, "TLS_DH_RSA_WITH_CAMELLIA_256_CBC_SHA256"},
 245     {0x00C3, "TLS_DHE_DSS_WITH_CAMELLIA_256_CBC_SHA256"},
 246     {0x00C4, "TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA256"},
 247     {0x00C5, "TLS_DH_anon_WITH_CAMELLIA_256_CBC_SHA256"},
 248     {0x00FF, "TLS_EMPTY_RENEGOTIATION_INFO_SCSV"},
 249     {0x5600, "TLS_FALLBACK_SCSV"},
 250     {0xC001, "TLS_ECDH_ECDSA_WITH_NULL_SHA"},
 251     {0xC002, "TLS_ECDH_ECDSA_WITH_RC4_128_SHA"},
 252     {0xC003, "TLS_ECDH_ECDSA_WITH_3DES_EDE_CBC_SHA"},
 253     {0xC004, "TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA"},
 254     {0xC005, "TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA"},
 255     {0xC006, "TLS_ECDHE_ECDSA_WITH_NULL_SHA"},
 256     {0xC007, "TLS_ECDHE_ECDSA_WITH_RC4_128_SHA"},
 257     {0xC008, "TLS_ECDHE_ECDSA_WITH_3DES_EDE_CBC_SHA"},
 258     {0xC009, "TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA"},
 259     {0xC00A, "TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA"},
 260     {0xC00B, "TLS_ECDH_RSA_WITH_NULL_SHA"},
 261     {0xC00C, "TLS_ECDH_RSA_WITH_RC4_128_SHA"},
 262     {0xC00D, "TLS_ECDH_RSA_WITH_3DES_EDE_CBC_SHA"},
 263     {0xC00E, "TLS_ECDH_RSA_WITH_AES_128_CBC_SHA"},
 264     {0xC00F, "TLS_ECDH_RSA_WITH_AES_256_CBC_SHA"},
 265     {0xC010, "TLS_ECDHE_RSA_WITH_NULL_SHA"},
 266     {0xC011, "TLS_ECDHE_RSA_WITH_RC4_128_SHA"},
 267     {0xC012, "TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA"},
 268     {0xC013, "TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA"},
 269     {0xC014, "TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA"},
 270     {0xC015, "TLS_ECDH_anon_WITH_NULL_SHA"},
 271     {0xC016, "TLS_ECDH_anon_WITH_RC4_128_SHA"},
 272     {0xC017, "TLS_ECDH_anon_WITH_3DES_EDE_CBC_SHA"},
 273     {0xC018, "TLS_ECDH_anon_WITH_AES_128_CBC_SHA"},
 274     {0xC019, "TLS_ECDH_anon_WITH_AES_256_CBC_SHA"},
 275     {0xC01A, "TLS_SRP_SHA_WITH_3DES_EDE_CBC_SHA"},
 276     {0xC01B, "TLS_SRP_SHA_RSA_WITH_3DES_EDE_CBC_SHA"},
 277     {0xC01C, "TLS_SRP_SHA_DSS_WITH_3DES_EDE_CBC_SHA"},
 278     {0xC01D, "TLS_SRP_SHA_WITH_AES_128_CBC_SHA"},
 279     {0xC01E, "TLS_SRP_SHA_RSA_WITH_AES_128_CBC_SHA"},
 280     {0xC01F, "TLS_SRP_SHA_DSS_WITH_AES_128_CBC_SHA"},
 281     {0xC020, "TLS_SRP_SHA_WITH_AES_256_CBC_SHA"},
 282     {0xC021, "TLS_SRP_SHA_RSA_WITH_AES_256_CBC_SHA"},
 283     {0xC022, "TLS_SRP_SHA_DSS_WITH_AES_256_CBC_SHA"},
 284     {0xC023, "TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256"},
 285     {0xC024, "TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384"},
 286     {0xC025, "TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA256"},
 287     {0xC026, "TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA384"},
 288     {0xC027, "TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256"},
 289     {0xC028, "TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384"},
 290     {0xC029, "TLS_ECDH_RSA_WITH_AES_128_CBC_SHA256"},
 291     {0xC02A, "TLS_ECDH_RSA_WITH_AES_256_CBC_SHA384"},
 292     {0xC02B, "TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256"},
 293     {0xC02C, "TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384"},
 294     {0xC02D, "TLS_ECDH_ECDSA_WITH_AES_128_GCM_SHA256"},
 295     {0xC02E, "TLS_ECDH_ECDSA_WITH_AES_256_GCM_SHA384"},
 296     {0xC02F, "TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256"},
 297     {0xC030, "TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384"},
 298     {0xC031, "TLS_ECDH_RSA_WITH_AES_128_GCM_SHA256"},
 299     {0xC032, "TLS_ECDH_RSA_WITH_AES_256_GCM_SHA384"},
 300     {0xC033, "TLS_ECDHE_PSK_WITH_RC4_128_SHA"},
 301     {0xC034, "TLS_ECDHE_PSK_WITH_3DES_EDE_CBC_SHA"},
 302     {0xC035, "TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA"},
 303     {0xC036, "TLS_ECDHE_PSK_WITH_AES_256_CBC_SHA"},
 304     {0xC037, "TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA256"},
 305     {0xC038, "TLS_ECDHE_PSK_WITH_AES_256_CBC_SHA384"},
 306     {0xC039, "TLS_ECDHE_PSK_WITH_NULL_SHA"},
 307     {0xC03A, "TLS_ECDHE_PSK_WITH_NULL_SHA256"},
 308     {0xC03B, "TLS_ECDHE_PSK_WITH_NULL_SHA384"},
 309     {0xC03C, "TLS_RSA_WITH_ARIA_128_CBC_SHA256"},
 310     {0xC03D, "TLS_RSA_WITH_ARIA_256_CBC_SHA384"},
 311     {0xC03E, "TLS_DH_DSS_WITH_ARIA_128_CBC_SHA256"},
 312     {0xC03F, "TLS_DH_DSS_WITH_ARIA_256_CBC_SHA384"},
 313     {0xC040, "TLS_DH_RSA_WITH_ARIA_128_CBC_SHA256"},
 314     {0xC041, "TLS_DH_RSA_WITH_ARIA_256_CBC_SHA384"},
 315     {0xC042, "TLS_DHE_DSS_WITH_ARIA_128_CBC_SHA256"},
 316     {0xC043, "TLS_DHE_DSS_WITH_ARIA_256_CBC_SHA384"},
 317     {0xC044, "TLS_DHE_RSA_WITH_ARIA_128_CBC_SHA256"},
 318     {0xC045, "TLS_DHE_RSA_WITH_ARIA_256_CBC_SHA384"},
 319     {0xC046, "TLS_DH_anon_WITH_ARIA_128_CBC_SHA256"},
 320     {0xC047, "TLS_DH_anon_WITH_ARIA_256_CBC_SHA384"},
 321     {0xC048, "TLS_ECDHE_ECDSA_WITH_ARIA_128_CBC_SHA256"},
 322     {0xC049, "TLS_ECDHE_ECDSA_WITH_ARIA_256_CBC_SHA384"},
 323     {0xC04A, "TLS_ECDH_ECDSA_WITH_ARIA_128_CBC_SHA256"},
 324     {0xC04B, "TLS_ECDH_ECDSA_WITH_ARIA_256_CBC_SHA384"},
 325     {0xC04C, "TLS_ECDHE_RSA_WITH_ARIA_128_CBC_SHA256"},
 326     {0xC04D, "TLS_ECDHE_RSA_WITH_ARIA_256_CBC_SHA384"},
 327     {0xC04E, "TLS_ECDH_RSA_WITH_ARIA_128_CBC_SHA256"},
 328     {0xC04F, "TLS_ECDH_RSA_WITH_ARIA_256_CBC_SHA384"},
 329     {0xC050, "TLS_RSA_WITH_ARIA_128_GCM_SHA256"},
 330     {0xC051, "TLS_RSA_WITH_ARIA_256_GCM_SHA384"},
 331     {0xC052, "TLS_DHE_RSA_WITH_ARIA_128_GCM_SHA256"},
 332     {0xC053, "TLS_DHE_RSA_WITH_ARIA_256_GCM_SHA384"},
 333     {0xC054, "TLS_DH_RSA_WITH_ARIA_128_GCM_SHA256"},
 334     {0xC055, "TLS_DH_RSA_WITH_ARIA_256_GCM_SHA384"},
 335     {0xC056, "TLS_DHE_DSS_WITH_ARIA_128_GCM_SHA256"},
 336     {0xC057, "TLS_DHE_DSS_WITH_ARIA_256_GCM_SHA384"},
 337     {0xC058, "TLS_DH_DSS_WITH_ARIA_128_GCM_SHA256"},
 338     {0xC059, "TLS_DH_DSS_WITH_ARIA_256_GCM_SHA384"},
 339     {0xC05A, "TLS_DH_anon_WITH_ARIA_128_GCM_SHA256"},
 340     {0xC05B, "TLS_DH_anon_WITH_ARIA_256_GCM_SHA384"},
 341     {0xC05C, "TLS_ECDHE_ECDSA_WITH_ARIA_128_GCM_SHA256"},
 342     {0xC05D, "TLS_ECDHE_ECDSA_WITH_ARIA_256_GCM_SHA384"},
 343     {0xC05E, "TLS_ECDH_ECDSA_WITH_ARIA_128_GCM_SHA256"},
 344     {0xC05F, "TLS_ECDH_ECDSA_WITH_ARIA_256_GCM_SHA384"},
 345     {0xC060, "TLS_ECDHE_RSA_WITH_ARIA_128_GCM_SHA256"},
 346     {0xC061, "TLS_ECDHE_RSA_WITH_ARIA_256_GCM_SHA384"},
 347     {0xC062, "TLS_ECDH_RSA_WITH_ARIA_128_GCM_SHA256"},
 348     {0xC063, "TLS_ECDH_RSA_WITH_ARIA_256_GCM_SHA384"},
 349     {0xC064, "TLS_PSK_WITH_ARIA_128_CBC_SHA256"},
 350     {0xC065, "TLS_PSK_WITH_ARIA_256_CBC_SHA384"},
 351     {0xC066, "TLS_DHE_PSK_WITH_ARIA_128_CBC_SHA256"},
 352     {0xC067, "TLS_DHE_PSK_WITH_ARIA_256_CBC_SHA384"},
 353     {0xC068, "TLS_RSA_PSK_WITH_ARIA_128_CBC_SHA256"},
 354     {0xC069, "TLS_RSA_PSK_WITH_ARIA_256_CBC_SHA384"},
 355     {0xC06A, "TLS_PSK_WITH_ARIA_128_GCM_SHA256"},
 356     {0xC06B, "TLS_PSK_WITH_ARIA_256_GCM_SHA384"},
 357     {0xC06C, "TLS_DHE_PSK_WITH_ARIA_128_GCM_SHA256"},
 358     {0xC06D, "TLS_DHE_PSK_WITH_ARIA_256_GCM_SHA384"},
 359     {0xC06E, "TLS_RSA_PSK_WITH_ARIA_128_GCM_SHA256"},
 360     {0xC06F, "TLS_RSA_PSK_WITH_ARIA_256_GCM_SHA384"},
 361     {0xC070, "TLS_ECDHE_PSK_WITH_ARIA_128_CBC_SHA256"},
 362     {0xC071, "TLS_ECDHE_PSK_WITH_ARIA_256_CBC_SHA384"},
 363     {0xC072, "TLS_ECDHE_ECDSA_WITH_CAMELLIA_128_CBC_SHA256"},
 364     {0xC073, "TLS_ECDHE_ECDSA_WITH_CAMELLIA_256_CBC_SHA384"},
 365     {0xC074, "TLS_ECDH_ECDSA_WITH_CAMELLIA_128_CBC_SHA256"},
 366     {0xC075, "TLS_ECDH_ECDSA_WITH_CAMELLIA_256_CBC_SHA384"},
 367     {0xC076, "TLS_ECDHE_RSA_WITH_CAMELLIA_128_CBC_SHA256"},
 368     {0xC077, "TLS_ECDHE_RSA_WITH_CAMELLIA_256_CBC_SHA384"},
 369     {0xC078, "TLS_ECDH_RSA_WITH_CAMELLIA_128_CBC_SHA256"},
 370     {0xC079, "TLS_ECDH_RSA_WITH_CAMELLIA_256_CBC_SHA384"},
 371     {0xC07A, "TLS_RSA_WITH_CAMELLIA_128_GCM_SHA256"},
 372     {0xC07B, "TLS_RSA_WITH_CAMELLIA_256_GCM_SHA384"},
 373     {0xC07C, "TLS_DHE_RSA_WITH_CAMELLIA_128_GCM_SHA256"},
 374     {0xC07D, "TLS_DHE_RSA_WITH_CAMELLIA_256_GCM_SHA384"},
 375     {0xC07E, "TLS_DH_RSA_WITH_CAMELLIA_128_GCM_SHA256"},
 376     {0xC07F, "TLS_DH_RSA_WITH_CAMELLIA_256_GCM_SHA384"},
 377     {0xC080, "TLS_DHE_DSS_WITH_CAMELLIA_128_GCM_SHA256"},
 378     {0xC081, "TLS_DHE_DSS_WITH_CAMELLIA_256_GCM_SHA384"},
 379     {0xC082, "TLS_DH_DSS_WITH_CAMELLIA_128_GCM_SHA256"},
 380     {0xC083, "TLS_DH_DSS_WITH_CAMELLIA_256_GCM_SHA384"},
 381     {0xC084, "TLS_DH_anon_WITH_CAMELLIA_128_GCM_SHA256"},
 382     {0xC085, "TLS_DH_anon_WITH_CAMELLIA_256_GCM_SHA384"},
 383     {0xC086, "TLS_ECDHE_ECDSA_WITH_CAMELLIA_128_GCM_SHA256"},
 384     {0xC087, "TLS_ECDHE_ECDSA_WITH_CAMELLIA_256_GCM_SHA384"},
 385     {0xC088, "TLS_ECDH_ECDSA_WITH_CAMELLIA_128_GCM_SHA256"},
 386     {0xC089, "TLS_ECDH_ECDSA_WITH_CAMELLIA_256_GCM_SHA384"},
 387     {0xC08A, "TLS_ECDHE_RSA_WITH_CAMELLIA_128_GCM_SHA256"},
 388     {0xC08B, "TLS_ECDHE_RSA_WITH_CAMELLIA_256_GCM_SHA384"},
 389     {0xC08C, "TLS_ECDH_RSA_WITH_CAMELLIA_128_GCM_SHA256"},
 390     {0xC08D, "TLS_ECDH_RSA_WITH_CAMELLIA_256_GCM_SHA384"},
 391     {0xC08E, "TLS_PSK_WITH_CAMELLIA_128_GCM_SHA256"},
 392     {0xC08F, "TLS_PSK_WITH_CAMELLIA_256_GCM_SHA384"},
 393     {0xC090, "TLS_DHE_PSK_WITH_CAMELLIA_128_GCM_SHA256"},
 394     {0xC091, "TLS_DHE_PSK_WITH_CAMELLIA_256_GCM_SHA384"},
 395     {0xC092, "TLS_RSA_PSK_WITH_CAMELLIA_128_GCM_SHA256"},
 396     {0xC093, "TLS_RSA_PSK_WITH_CAMELLIA_256_GCM_SHA384"},
 397     {0xC094, "TLS_PSK_WITH_CAMELLIA_128_CBC_SHA256"},
 398     {0xC095, "TLS_PSK_WITH_CAMELLIA_256_CBC_SHA384"},
 399     {0xC096, "TLS_DHE_PSK_WITH_CAMELLIA_128_CBC_SHA256"},
 400     {0xC097, "TLS_DHE_PSK_WITH_CAMELLIA_256_CBC_SHA384"},
 401     {0xC098, "TLS_RSA_PSK_WITH_CAMELLIA_128_CBC_SHA256"},
 402     {0xC099, "TLS_RSA_PSK_WITH_CAMELLIA_256_CBC_SHA384"},
 403     {0xC09A, "TLS_ECDHE_PSK_WITH_CAMELLIA_128_CBC_SHA256"},
 404     {0xC09B, "TLS_ECDHE_PSK_WITH_CAMELLIA_256_CBC_SHA384"},
 405     {0xC09C, "TLS_RSA_WITH_AES_128_CCM"},
 406     {0xC09D, "TLS_RSA_WITH_AES_256_CCM"},
 407     {0xC09E, "TLS_DHE_RSA_WITH_AES_128_CCM"},
 408     {0xC09F, "TLS_DHE_RSA_WITH_AES_256_CCM"},
 409     {0xC0A0, "TLS_RSA_WITH_AES_128_CCM_8"},
 410     {0xC0A1, "TLS_RSA_WITH_AES_256_CCM_8"},
 411     {0xC0A2, "TLS_DHE_RSA_WITH_AES_128_CCM_8"},
 412     {0xC0A3, "TLS_DHE_RSA_WITH_AES_256_CCM_8"},
 413     {0xC0A4, "TLS_PSK_WITH_AES_128_CCM"},
 414     {0xC0A5, "TLS_PSK_WITH_AES_256_CCM"},
 415     {0xC0A6, "TLS_DHE_PSK_WITH_AES_128_CCM"},
 416     {0xC0A7, "TLS_DHE_PSK_WITH_AES_256_CCM"},
 417     {0xC0A8, "TLS_PSK_WITH_AES_128_CCM_8"},
 418     {0xC0A9, "TLS_PSK_WITH_AES_256_CCM_8"},
 419     {0xC0AA, "TLS_PSK_DHE_WITH_AES_128_CCM_8"},
 420     {0xC0AB, "TLS_PSK_DHE_WITH_AES_256_CCM_8"},
 421     {0xC0AC, "TLS_ECDHE_ECDSA_WITH_AES_128_CCM"},
 422     {0xC0AD, "TLS_ECDHE_ECDSA_WITH_AES_256_CCM"},
 423     {0xC0AE, "TLS_ECDHE_ECDSA_WITH_AES_128_CCM_8"},
 424     {0xC0AF, "TLS_ECDHE_ECDSA_WITH_AES_256_CCM_8"},
 425     {0xCCA8, "TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305"},
 426     {0xCCA9, "TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305"},
 427     {0xCCAA, "TLS_DHE_RSA_WITH_CHACHA20_POLY1305"},
 428     {0xCCAB, "TLS_PSK_WITH_CHACHA20_POLY1305"},
 429     {0xCCAC, "TLS_ECDHE_PSK_WITH_CHACHA20_POLY1305"},
 430     {0xCCAD, "TLS_DHE_PSK_WITH_CHACHA20_POLY1305"},
 431     {0xCCAE, "TLS_RSA_PSK_WITH_CHACHA20_POLY1305"},
 432     {0x1301, "TLS_AES_128_GCM_SHA256"},
 433     {0x1302, "TLS_AES_256_GCM_SHA384"},
 434     {0x1303, "TLS_CHACHA20_POLY1305_SHA256"},
 435     {0x1304, "TLS_AES_128_CCM_SHA256"},
 436     {0x1305, "TLS_AES_128_CCM_8_SHA256"},
 437     {0xFEFE, "SSL_RSA_FIPS_WITH_DES_CBC_SHA"},
 438     {0xFEFF, "SSL_RSA_FIPS_WITH_3DES_EDE_CBC_SHA"},
 439 };
 440
 441 /* Compression methods */
 442 static ssl_trace_tbl ssl_comp_tbl[] = {
 443     {0x0000, "No Compression"},
 444     {0x0001, "Zlib Compression"}
 445 };
 446
 447 /* Extensions */
 448 static ssl_trace_tbl ssl_exts_tbl[] = {
 449     {TLSEXT_TYPE_server_name, "server_name"},
 450     {TLSEXT_TYPE_max_fragment_length, "max_fragment_length"},
 451     {TLSEXT_TYPE_client_certificate_url, "client_certificate_url"},
 452     {TLSEXT_TYPE_trusted_ca_keys, "trusted_ca_keys"},
 453     {TLSEXT_TYPE_truncated_hmac, "truncated_hmac"},
 454     {TLSEXT_TYPE_status_request, "status_request"},
 455     {TLSEXT_TYPE_user_mapping, "user_mapping"},
 456     {TLSEXT_TYPE_client_authz, "client_authz"},
 457     {TLSEXT_TYPE_server_authz, "server_authz"},
 458     {TLSEXT_TYPE_cert_type, "cert_type"},
 459     {TLSEXT_TYPE_key_share, "key_share"},
 460     {TLSEXT_TYPE_psk, "psk"},
 461     {TLSEXT_TYPE_psk_kex_modes, "psk_key_exchange_modes"},
 462     {TLSEXT_TYPE_supported_groups, "supported_groups"},
 463     {TLSEXT_TYPE_ec_point_formats, "ec_point_formats"},
 464     {TLSEXT_TYPE_srp, "srp"},
 465     {TLSEXT_TYPE_signature_algorithms, "signature_algorithms"},
 466     {TLSEXT_TYPE_use_srtp, "use_srtp"},
 467     {TLSEXT_TYPE_session_ticket, "session_ticket"},
 468     {TLSEXT_TYPE_supported_versions, "supported_versions"},
 469     {TLSEXT_TYPE_renegotiate, "renegotiate"},
 470 # ifndef OPENSSL_NO_NEXTPROTONEG
 471     {TLSEXT_TYPE_next_proto_neg, "next_proto_neg"},
 472 # endif
 473     {TLSEXT_TYPE_application_layer_protocol_negotiation,
 474      "application_layer_protocol_negotiation"},
 475     {TLSEXT_TYPE_signed_certificate_timestamp, "signed_certificate_timestamps"},
 476     {TLSEXT_TYPE_padding, "padding"},
 477     {TLSEXT_TYPE_encrypt_then_mac, "encrypt_then_mac"},
 478     {TLSEXT_TYPE_extended_master_secret, "extended_master_secret"},
 479     {TLSEXT_TYPE_early_data_info, "ticket_early_data_info"}
 480 };
 481
 482 static ssl_trace_tbl ssl_groups_tbl[] = {
 483     {1, "sect163k1 (K-163)"},
 484     {2, "sect163r1"},
 485     {3, "sect163r2 (B-163)"},
 486     {4, "sect193r1"},
 487     {5, "sect193r2"},
 488     {6, "sect233k1 (K-233)"},
 489     {7, "sect233r1 (B-233)"},
 490     {8, "sect239k1"},
 491     {9, "sect283k1 (K-283)"},
 492     {10, "sect283r1 (B-283)"},
 493     {11, "sect409k1 (K-409)"},
 494     {12, "sect409r1 (B-409)"},
 495     {13, "sect571k1 (K-571)"},
 496     {14, "sect571r1 (B-571)"},
 497     {15, "secp160k1"},
 498     {16, "secp160r1"},
 499     {17, "secp160r2"},
 500     {18, "secp192k1"},
 501     {19, "secp192r1 (P-192)"},
 502     {20, "secp224k1"},
 503     {21, "secp224r1 (P-224)"},
 504     {22, "secp256k1"},
 505     {23, "secp256r1 (P-256)"},
 506     {24, "secp384r1 (P-384)"},
 507     {25, "secp521r1 (P-521)"},
 508     {26, "brainpoolP256r1"},
 509     {27, "brainpoolP384r1"},
 510     {28, "brainpoolP512r1"},
 511     {29, "ecdh_x25519"},
 512     {256, "ffdhe2048"},
 513     {257, "ffdhe3072"},
 514     {258, "ffdhe4096"},
 515     {259, "ffdhe6144"},
 516     {260, "ffdhe8192"},
 517     {0xFF01, "arbitrary_explicit_prime_curves"},
 518     {0xFF02, "arbitrary_explicit_char2_curves"}
 519 };
 520
 521 static ssl_trace_tbl ssl_point_tbl[] = {
 522     {0, "uncompressed"},
 523     {1, "ansiX962_compressed_prime"},
 524     {2, "ansiX962_compressed_char2"}
 525 };
 526
 527 static ssl_trace_tbl ssl_sigalg_tbl[] = {
 528     {TLSEXT_SIGALG_ecdsa_secp256r1_sha256, "ecdsa_secp256r1_sha256"},
 529     {TLSEXT_SIGALG_ecdsa_secp384r1_sha384, "ecdsa_secp384r1_sha384"},
 530     {TLSEXT_SIGALG_ecdsa_secp521r1_sha512, "ecdsa_secp521r1_sha512"},
 531     {TLSEXT_SIGALG_ecdsa_sha1, "ecdsa_sha1"},
 532     {TLSEXT_SIGALG_rsa_pss_sha256, "rsa_pss_sha256"},
 533     {TLSEXT_SIGALG_rsa_pss_sha384, "rsa_pss_sha384"},
 534     {TLSEXT_SIGALG_rsa_pss_sha512, "rsa_pss_sha512"},
 535     {TLSEXT_SIGALG_rsa_pkcs1_sha256, "rsa_pkcs1_sha256"},
 536     {TLSEXT_SIGALG_rsa_pkcs1_sha384, "rsa_pkcs1_sha384"},
 537     {TLSEXT_SIGALG_rsa_pkcs1_sha512, "rsa_pkcs1_sha512"},
 538     {TLSEXT_SIGALG_rsa_pkcs1_sha1, "rsa_pkcs1_sha1"},
 539     {TLSEXT_SIGALG_dsa_sha256, "dsa_sha256"},
 540     {TLSEXT_SIGALG_dsa_sha384, "dsa_sha384"},
 541     {TLSEXT_SIGALG_dsa_sha512, "dsa_sha512"},
 542     {TLSEXT_SIGALG_dsa_sha1, "dsa_sha1"},
 543     {TLSEXT_SIGALG_gostr34102012_256_gostr34112012_256, "gost2012_256"},
 544     {TLSEXT_SIGALG_gostr34102012_512_gostr34112012_512, "gost2012_512"},
 545     {TLSEXT_SIGALG_gostr34102001_gostr3411, "gost2001_gost94"},
 546 };
 547
 548 static ssl_trace_tbl ssl_ctype_tbl[] = {
 549     {1, "rsa_sign"},
 550     {2, "dss_sign"},
 551     {3, "rsa_fixed_dh"},
 552     {4, "dss_fixed_dh"},
 553     {5, "rsa_ephemeral_dh"},
 554     {6, "dss_ephemeral_dh"},
 555     {20, "fortezza_dms"},
 556     {64, "ecdsa_sign"},
 557     {65, "rsa_fixed_ecdh"},
 558     {66, "ecdsa_fixed_ecdh"}
 559 };
 560
 561 static ssl_trace_tbl ssl_psk_kex_modes_tbl[] = {
 562     {TLSEXT_KEX_MODE_KE, "psk_ke"},
 563     {TLSEXT_KEX_MODE_KE_DHE, "psk_dhe_ke"}
 564 };
 565
 566 static ssl_trace_tbl ssl_crypto_tbl[] = {
 567     {TLS1_RT_CRYPTO_PREMASTER, "Premaster Secret"},
 568     {TLS1_RT_CRYPTO_CLIENT_RANDOM, "Client Random"},
 569     {TLS1_RT_CRYPTO_SERVER_RANDOM, "Server Random"},
 570     {TLS1_RT_CRYPTO_MASTER, "Master Secret"},
 571     {TLS1_RT_CRYPTO_MAC | TLS1_RT_CRYPTO_WRITE, "Write Mac Secret"},
 572     {TLS1_RT_CRYPTO_MAC | TLS1_RT_CRYPTO_READ, "Read Mac Secret"},
 573     {TLS1_RT_CRYPTO_KEY | TLS1_RT_CRYPTO_WRITE, "Write Key"},
 574     {TLS1_RT_CRYPTO_KEY | TLS1_RT_CRYPTO_READ, "Read Key"},
 575     {TLS1_RT_CRYPTO_IV | TLS1_RT_CRYPTO_WRITE, "Write IV"},
 576     {TLS1_RT_CRYPTO_IV | TLS1_RT_CRYPTO_READ, "Read IV"},
 577     {TLS1_RT_CRYPTO_FIXED_IV | TLS1_RT_CRYPTO_WRITE, "Write IV (fixed part)"},
 578     {TLS1_RT_CRYPTO_FIXED_IV | TLS1_RT_CRYPTO_READ, "Read IV (fixed part)"}
 579 };
 580
 581 static ssl_trace_tbl ssl_key_update_tbl[] = {
 582     {SSL_KEY_UPDATE_NOT_REQUESTED, "update_not_requested"},
 583     {SSL_KEY_UPDATE_REQUESTED, "update_requested"}
 584 };
 585
 586 static void ssl_print_hex(BIO *bio, int indent, const char *name,
 587                           const unsigned char *msg, size_t msglen)
 588 {
 589     size_t i;
 590
 591     BIO_indent(bio, indent, 80);
 592     BIO_printf(bio, "%s (len=%d): ", name, (int)msglen);
 593     for (i = 0; i < msglen; i++)
 594         BIO_printf(bio, "%02X", msg[i]);
 595     BIO_puts(bio, "\n");
 596 }
 597
 598 static int ssl_print_hexbuf(BIO *bio, int indent,
 599                             const char *name, size_t nlen,
 600                             const unsigned char **pmsg, size_t *pmsglen)
 601 {
 602     size_t blen;
 603     const unsigned char *p = *pmsg;
 604
 605     if (*pmsglen < nlen)
 606         return 0;
 607     blen = p[0];
 608     if (nlen > 1)
 609         blen = (blen << 8) | p[1];
 610     if (*pmsglen < nlen + blen)
 611         return 0;
 612     p += nlen;
 613     ssl_print_hex(bio, indent, name, p, blen);
 614     *pmsg += blen + nlen;
 615     *pmsglen -= blen + nlen;
 616     return 1;
 617 }
 618
 619 static int ssl_print_version(BIO *bio, int indent, const char *name,
 620                              const unsigned char **pmsg, size_t *pmsglen,
 621                              unsigned int *version)
 622 {
 623     int vers;
 624
 625     if (*pmsglen < 2)
 626         return 0;
 627     vers = ((*pmsg)[0] << 8) | (*pmsg)[1];
 628     if (version != NULL) {
 629         /* TODO(TLS1.3): Remove the draft conditional here before release */
 630         *version = (vers == TLS1_3_VERSION_DRAFT) ? TLS1_3_VERSION : vers;
 631     }
 632     BIO_indent(bio, indent, 80);
 633     BIO_printf(bio, "%s=0x%x (%s)\n",
 634                name, vers, ssl_trace_str(vers, ssl_version_tbl));
 635     *pmsg += 2;
 636     *pmsglen -= 2;
 637     return 1;
 638 }
 639
 640 static int ssl_print_random(BIO *bio, int indent,
 641                             const unsigned char **pmsg, size_t *pmsglen)
 642 {
 643     unsigned int tm;
 644     const unsigned char *p = *pmsg;
 645
 646     if (*pmsglen < 32)
 647         return 0;
 648     tm = (p[0] << 24) | (p[1] << 16) | (p[2] << 8) | p[3];
 649     p += 4;
 650     BIO_indent(bio, indent, 80);
 651     BIO_puts(bio, "Random:\n");
 652     BIO_indent(bio, indent + 2, 80);
 653     BIO_printf(bio, "gmt_unix_time=0x%08X\n", tm);
 654     ssl_print_hex(bio, indent + 2, "random_bytes", p, 28);
 655     *pmsg += 32;
 656     *pmsglen -= 32;
 657     return 1;
 658 }
 659
 660 static int ssl_print_signature(BIO *bio, int indent, SSL *s,
 661                                const unsigned char **pmsg, size_t *pmsglen)
 662 {
 663     if (*pmsglen < 2)
 664         return 0;
 665     if (SSL_USE_SIGALGS(s)) {
 666         const unsigned char *p = *pmsg;
 667         unsigned int sigalg = (p[0] << 8) | p[1];
 668
 669         BIO_indent(bio, indent, 80);
 670         BIO_printf(bio, "Signature Algorithm: %s (0x%04x)\n",
 671                    ssl_trace_str(sigalg, ssl_sigalg_tbl), sigalg);
 672         *pmsg += 2;
 673         *pmsglen -= 2;
 674     }
 675     return ssl_print_hexbuf(bio, indent, "Signature", 2, pmsg, pmsglen);
 676 }
 677
 678 static int ssl_print_extension(BIO *bio, int indent, int server,
 679                                unsigned char mt, int extype,
 680                                const unsigned char *ext, size_t extlen)
 681 {
 682     size_t xlen, share_len;
 683     unsigned int sigalg;
 684     uint32_t max_early_data;
 685
 686     BIO_indent(bio, indent, 80);
 687     BIO_printf(bio, "extension_type=%s(%d), length=%d\n",
 688                ssl_trace_str(extype, ssl_exts_tbl), extype, (int)extlen);
 689     switch (extype) {
 690     case TLSEXT_TYPE_ec_point_formats:
 691         if (extlen < 1)
 692             return 0;
 693         xlen = ext[0];
 694         if (extlen != xlen + 1)
 695             return 0;
 696         return ssl_trace_list(bio, indent + 2, ext + 1, xlen, 1, ssl_point_tbl);
 697
 698     case TLSEXT_TYPE_supported_groups:
 699         if (extlen < 2)
 700             return 0;
 701         xlen = (ext[0] << 8) | ext[1];
 702         if (extlen != xlen + 2)
 703             return 0;
 704         return ssl_trace_list(bio, indent + 2, ext + 2, xlen, 2, ssl_groups_tbl);
 705     case TLSEXT_TYPE_application_layer_protocol_negotiation:
 706         if (extlen < 2)
 707             return 0;
 708         xlen = (ext[0] << 8) | ext[1];
 709         if (extlen != xlen + 2)
 710             return 0;
 711         ext += 2;
 712         while (xlen > 0) {
 713             size_t plen = *ext++;
 714
 715             if (plen > xlen + 1)
 716                 return 0;
 717             BIO_indent(bio, indent + 2, 80);
 718             BIO_write(bio, ext, plen);
 719             BIO_puts(bio, "\n");
 720             ext += plen;
 721             xlen -= plen + 1;
 722         }
 723         return 1;
 724
 725     case TLSEXT_TYPE_signature_algorithms:
 726
 727         if (extlen < 2)
 728             return 0;
 729         xlen = (ext[0] << 8) | ext[1];
 730         if (extlen != xlen + 2)
 731             return 0;
 732         if (xlen & 1)
 733             return 0;
 734         ext += 2;
 735         while (xlen > 0) {
 736             BIO_indent(bio, indent + 2, 80);
 737             sigalg = (ext[0] << 8) | ext[1];
 738             BIO_printf(bio, "%s (0x%04x)\n",
 739                        ssl_trace_str(sigalg, ssl_sigalg_tbl), sigalg);
 740             xlen -= 2;
 741             ext += 2;
 742         }
 743         break;
 744
 745     case TLSEXT_TYPE_renegotiate:
 746         if (extlen < 1)
 747             return 0;
 748         xlen = ext[0];
 749         if (xlen + 1 != extlen)
 750             return 0;
 751         ext++;
 752         if (xlen) {
 753             if (server) {
 754                 if (xlen & 1)
 755                     return 0;
 756                 xlen >>= 1;
 757             }
 758             ssl_print_hex(bio, indent + 4, "client_verify_data", ext, xlen);
 759             if (server) {
 760                 ext += xlen;
 761                 ssl_print_hex(bio, indent + 4, "server_verify_data", ext, xlen);
 762             }
 763         } else {
 764             BIO_indent(bio, indent + 4, 80);
 765             BIO_puts(bio, "<EMPTY>\n");
 766         }
 767         break;
 768
 769     case TLSEXT_TYPE_heartbeat:
 770         return 0;
 771
 772     case TLSEXT_TYPE_session_ticket:
 773         if (extlen != 0)
 774             ssl_print_hex(bio, indent + 4, "ticket", ext, extlen);
 775         break;
 776
 777     case TLSEXT_TYPE_key_share:
 778         if (mt == SSL3_MT_HELLO_RETRY_REQUEST) {
 779             int group_id;
 780
 781             if (extlen != 2)
 782                 return 0;
 783             group_id = (ext[0] << 8) | ext[1];
 784             BIO_indent(bio, indent + 4, 80);
 785             BIO_printf(bio, "NamedGroup: %s (%d)\n",
 786                        ssl_trace_str(group_id, ssl_groups_tbl), group_id);
 787             break;
 788         }
 789         if (extlen < 2)
 790             return 0;
 791         if (server) {
 792             xlen = extlen;
 793         } else {
 794             xlen = (ext[0] << 8) | ext[1];
 795             if (extlen != xlen + 2)
 796                 return 0;
 797             ext += 2;
 798         }
 799         for (; xlen > 0; ext += share_len, xlen -= share_len) {
 800             int group_id;
 801
 802             if (xlen < 4)
 803                 return 0;
 804             group_id = (ext[0] << 8) | ext[1];
 805             share_len = (ext[2] << 8) | ext[3];
 806             ext += 4;
 807             xlen -= 4;
 808             if (xlen < share_len)
 809                 return 0;
 810             BIO_indent(bio, indent + 4, 80);
 811             BIO_printf(bio, "NamedGroup: %s (%d)\n",
 812                        ssl_trace_str(group_id, ssl_groups_tbl), group_id);
 813             ssl_print_hex(bio, indent + 4, "key_exchange: ", ext, share_len);
 814         }
 815         break;
 816
 817     case TLSEXT_TYPE_supported_versions:
 818         if (extlen < 1)
 819             return 0;
 820         xlen = ext[0];
 821         if (extlen != xlen + 1)
 822             return 0;
 823         return ssl_trace_list(bio, indent + 2, ext + 1, xlen, 2,
 824                               ssl_version_tbl);
 825
 826     case TLSEXT_TYPE_psk_kex_modes:
 827         if (extlen < 1)
 828             return 0;
 829         xlen = ext[0];
 830         if (extlen != xlen + 1)
 831             return 0;
 832         return ssl_trace_list(bio, indent + 2, ext + 1, xlen, 1,
 833                               ssl_psk_kex_modes_tbl);
 834
 835     case TLSEXT_TYPE_early_data_info:
 836         if (extlen != 4)
 837             return 0;
 838         max_early_data = (ext[0] << 24) | (ext[1] << 16) | (ext[2] << 8)
 839                          | ext[3];
 840         BIO_indent(bio, indent + 2, 80);
 841         BIO_printf(bio, "max_early_data=%u\n", max_early_data);
 842         break;
 843
 844     default:
 845         BIO_dump_indent(bio, (const char *)ext, extlen, indent + 2);
 846     }
 847     return 1;
 848 }
 849
 850 static int ssl_print_extensions(BIO *bio, int indent, int server,
 851                                 unsigned char mt, const unsigned char **msgin,
 852                                 size_t *msginlen)
 853 {
 854     size_t extslen, msglen = *msginlen;
 855     const unsigned char *msg = *msgin;
 856
 857     BIO_indent(bio, indent, 80);
 858     if (msglen == 0) {
 859         BIO_puts(bio, "No Extensions\n");
 860         return 1;
 861     }
 862     extslen = (msg[0] << 8) | msg[1];
 863     if (extslen != msglen - 2)
 864         return 0;
 865     msg += 2;
 866     msglen = extslen;
 867     BIO_printf(bio, "extensions, length = %d\n", (int)msglen);
 868     while (msglen > 0) {
 869         int extype;
 870         size_t extlen;
 871         if (msglen < 4)
 872             return 0;
 873         extype = (msg[0] << 8) | msg[1];
 874         extlen = (msg[2] << 8) | msg[3];
 875         if (msglen < extlen + 4)
 876             return 0;
 877         msg += 4;
 878         if (!ssl_print_extension(bio, indent + 2, server, mt, extype, msg,
 879                                  extlen))
 880             return 0;
 881         msg += extlen;
 882         msglen -= extlen + 4;
 883     }
 884
 885     *msgin = msg;
 886     *msginlen = msglen;
 887     return 1;
 888 }
 889
 890 static int ssl_print_client_hello(BIO *bio, SSL *ssl, int indent,
 891                                   const unsigned char *msg, size_t msglen)
 892 {
 893     size_t len;
 894     unsigned int cs;
 895
 896     if (!ssl_print_version(bio, indent, "client_version", &msg, &msglen, NULL))
 897         return 0;
 898     if (!ssl_print_random(bio, indent, &msg, &msglen))
 899         return 0;
 900     if (!ssl_print_hexbuf(bio, indent, "session_id", 1, &msg, &msglen))
 901         return 0;
 902     if (SSL_IS_DTLS(ssl)) {
 903         if (!ssl_print_hexbuf(bio, indent, "cookie", 1, &msg, &msglen))
 904             return 0;
 905     }
 906     if (msglen < 2)
 907         return 0;
 908     len = (msg[0] << 8) | msg[1];
 909     msg += 2;
 910     msglen -= 2;
 911     BIO_indent(bio, indent, 80);
 912     BIO_printf(bio, "cipher_suites (len=%d)\n", (int)len);
 913     if (msglen < len || len & 1)
 914         return 0;
 915     while (len > 0) {
 916         cs = (msg[0] << 8) | msg[1];
 917         BIO_indent(bio, indent + 2, 80);
 918         BIO_printf(bio, "{0x%02X, 0x%02X} %s\n",
 919                    msg[0], msg[1], ssl_trace_str(cs, ssl_ciphers_tbl));
 920         msg += 2;
 921         msglen -= 2;
 922         len -= 2;
 923     }
 924     if (msglen < 1)
 925         return 0;
 926     len = msg[0];
 927     msg++;
 928     msglen--;
 929     if (msglen < len)
 930         return 0;
 931     BIO_indent(bio, indent, 80);
 932     BIO_printf(bio, "compression_methods (len=%d)\n", (int)len);
 933     while (len > 0) {
 934         BIO_indent(bio, indent + 2, 80);
 935         BIO_printf(bio, "%s (0x%02X)\n",
 936                    ssl_trace_str(msg[0], ssl_comp_tbl), msg[0]);
 937         msg++;
 938         msglen--;
 939         len--;
 940     }
 941     if (!ssl_print_extensions(bio, indent, 0, SSL3_MT_CLIENT_HELLO, &msg,
 942                               &msglen))
 943         return 0;
 944     return 1;
 945 }
 946
 947 static int dtls_print_hello_vfyrequest(BIO *bio, int indent,
 948                                        const unsigned char *msg, size_t msglen)
 949 {
 950     if (!ssl_print_version(bio, indent, "server_version", &msg, &msglen, NULL))
 951         return 0;
 952     if (!ssl_print_hexbuf(bio, indent, "cookie", 1, &msg, &msglen))
 953         return 0;
 954     return 1;
 955 }
 956
 957 static int ssl_print_server_hello(BIO *bio, int indent,
 958                                   const unsigned char *msg, size_t msglen)
 959 {
 960     unsigned int cs;
 961     unsigned int vers;
 962
 963     if (!ssl_print_version(bio, indent, "server_version", &msg, &msglen, &vers))
 964         return 0;
 965     if (!ssl_print_random(bio, indent, &msg, &msglen))
 966         return 0;
 967     if (vers != TLS1_3_VERSION
 968             && !ssl_print_hexbuf(bio, indent, "session_id", 1, &msg, &msglen))
 969         return 0;
 970     if (msglen < 2)
 971         return 0;
 972     cs = (msg[0] << 8) | msg[1];
 973     BIO_indent(bio, indent, 80);
 974     BIO_printf(bio, "cipher_suite {0x%02X, 0x%02X} %s\n",
 975                msg[0], msg[1], ssl_trace_str(cs, ssl_ciphers_tbl));
 976     msg += 2;
 977     msglen -= 2;
 978     if (vers != TLS1_3_VERSION) {
 979         if (msglen < 1)
 980             return 0;
 981         BIO_indent(bio, indent, 80);
 982         BIO_printf(bio, "compression_method: %s (0x%02X)\n",
 983                    ssl_trace_str(msg[0], ssl_comp_tbl), msg[0]);
 984         msg++;
 985         msglen--;
 986     }
 987     if (!ssl_print_extensions(bio, indent, 1, SSL3_MT_SERVER_HELLO, &msg,
 988                               &msglen))
 989         return 0;
 990     return 1;
 991 }
 992
 993 static int ssl_get_keyex(const char **pname, SSL *ssl)
 994 {
 995     unsigned long alg_k = ssl->s3->tmp.new_cipher->algorithm_mkey;
 996
 997     if (alg_k & SSL_kRSA) {
 998         *pname = "rsa";
 999         return SSL_kRSA;
1000     }
1001     if (alg_k & SSL_kDHE) {
1002         *pname = "DHE";
1003         return SSL_kDHE;
1004     }
1005     if (alg_k & SSL_kECDHE) {
1006         *pname = "ECDHE";
1007         return SSL_kECDHE;
1008     }
1009     if (alg_k & SSL_kPSK) {
1010         *pname = "PSK";
1011         return SSL_kPSK;
1012     }
1013     if (alg_k & SSL_kRSAPSK) {
1014         *pname = "RSAPSK";
1015         return SSL_kRSAPSK;
1016     }
1017     if (alg_k & SSL_kDHEPSK) {
1018         *pname = "DHEPSK";
1019         return SSL_kDHEPSK;
1020     }
1021     if (alg_k & SSL_kECDHEPSK) {
1022         *pname = "ECDHEPSK";
1023         return SSL_kECDHEPSK;
1024     }
1025     if (alg_k & SSL_kSRP) {
1026         *pname = "SRP";
1027         return SSL_kSRP;
1028     }
1029     if (alg_k & SSL_kGOST) {
1030         *pname = "GOST";
1031         return SSL_kGOST;
1032     }
1033     *pname = "UNKNOWN";
1034     return 0;
1035 }
1036
1037 static int ssl_print_client_keyex(BIO *bio, int indent, SSL *ssl,
1038                                   const unsigned char *msg, size_t msglen)
1039 {
1040     const char *algname;
1041     int id = ssl_get_keyex(&algname, ssl);
1042
1043     BIO_indent(bio, indent, 80);
1044     BIO_printf(bio, "KeyExchangeAlgorithm=%s\n", algname);
1045     if (id & SSL_PSK) {
1046         if (!ssl_print_hexbuf(bio, indent + 2,
1047                               "psk_identity", 2, &msg, &msglen))
1048             return 0;
1049     }
1050     switch (id) {
1051
1052     case SSL_kRSA:
1053     case SSL_kRSAPSK:
1054         if (TLS1_get_version(ssl) == SSL3_VERSION) {
1055             ssl_print_hex(bio, indent + 2,
1056                           "EncyptedPreMasterSecret", msg, msglen);
1057         } else {
1058             if (!ssl_print_hexbuf(bio, indent + 2,
1059                                   "EncyptedPreMasterSecret", 2, &msg, &msglen))
1060                 return 0;
1061         }
1062         break;
1063
1064     case SSL_kDHE:
1065     case SSL_kDHEPSK:
1066         if (!ssl_print_hexbuf(bio, indent + 2, "dh_Yc", 2, &msg, &msglen))
1067             return 0;
1068         break;
1069
1070     case SSL_kECDHE:
1071     case SSL_kECDHEPSK:
1072         if (!ssl_print_hexbuf(bio, indent + 2, "ecdh_Yc", 1, &msg, &msglen))
1073             return 0;
1074         break;
1075
1076     }
1077
1078     return !msglen;
1079 }
1080
1081 static int ssl_print_server_keyex(BIO *bio, int indent, SSL *ssl,
1082                                   const unsigned char *msg, size_t msglen)
1083 {
1084     const char *algname;
1085     int id = ssl_get_keyex(&algname, ssl);
1086
1087     BIO_indent(bio, indent, 80);
1088     BIO_printf(bio, "KeyExchangeAlgorithm=%s\n", algname);
1089     if (id & SSL_PSK) {
1090         if (!ssl_print_hexbuf(bio, indent + 2,
1091                               "psk_identity_hint", 2, &msg, &msglen))
1092             return 0;
1093     }
1094     switch (id) {
1095     case SSL_kRSA:
1096
1097         if (!ssl_print_hexbuf(bio, indent + 2, "rsa_modulus", 2, &msg, &msglen))
1098             return 0;
1099         if (!ssl_print_hexbuf(bio, indent + 2, "rsa_exponent", 2,
1100                               &msg, &msglen))
1101             return 0;
1102         break;
1103
1104     case SSL_kDHE:
1105     case SSL_kDHEPSK:
1106         if (!ssl_print_hexbuf(bio, indent + 2, "dh_p", 2, &msg, &msglen))
1107             return 0;
1108         if (!ssl_print_hexbuf(bio, indent + 2, "dh_g", 2, &msg, &msglen))
1109             return 0;
1110         if (!ssl_print_hexbuf(bio, indent + 2, "dh_Ys", 2, &msg, &msglen))
1111             return 0;
1112         break;
1113
1114 # ifndef OPENSSL_NO_EC
1115     case SSL_kECDHE:
1116     case SSL_kECDHEPSK:
1117         if (msglen < 1)
1118             return 0;
1119         BIO_indent(bio, indent + 2, 80);
1120         if (msg[0] == EXPLICIT_PRIME_CURVE_TYPE)
1121             BIO_puts(bio, "explicit_prime\n");
1122         else if (msg[0] == EXPLICIT_CHAR2_CURVE_TYPE)
1123             BIO_puts(bio, "explicit_char2\n");
1124         else if (msg[0] == NAMED_CURVE_TYPE) {
1125             int curve;
1126             if (msglen < 3)
1127                 return 0;
1128             curve = (msg[1] << 8) | msg[2];
1129             BIO_printf(bio, "named_curve: %s (%d)\n",
1130                        ssl_trace_str(curve, ssl_groups_tbl), curve);
1131             msg += 3;
1132             msglen -= 3;
1133             if (!ssl_print_hexbuf(bio, indent + 2, "point", 1, &msg, &msglen))
1134                 return 0;
1135         } else {
1136             BIO_printf(bio, "UNKNOWN CURVE PARAMETER TYPE %d\n", msg[0]);
1137             return 0;
1138         }
1139         break;
1140 # endif
1141
1142     case SSL_kPSK:
1143     case SSL_kRSAPSK:
1144         break;
1145     }
1146     if (!(id & SSL_PSK))
1147         ssl_print_signature(bio, indent, ssl, &msg, &msglen);
1148     return !msglen;
1149 }
1150
1151 static int ssl_print_certificate(BIO *bio, int indent,
1152                                  const unsigned char **pmsg, size_t *pmsglen)
1153 {
1154     size_t msglen = *pmsglen;
1155     size_t clen;
1156     X509 *x;
1157     const unsigned char *p = *pmsg, *q;
1158
1159     if (msglen < 3)
1160         return 0;
1161     clen = (p[0] << 16) | (p[1] << 8) | p[2];
1162     if (msglen < clen + 3)
1163         return 0;
1164     q = p + 3;
1165     BIO_indent(bio, indent, 80);
1166     BIO_printf(bio, "ASN.1Cert, length=%d", (int)clen);
1167     x = d2i_X509(NULL, &q, clen);
1168     if (!x)
1169         BIO_puts(bio, "<UNPARSEABLE CERTIFICATE>\n");
1170     else {
1171         BIO_puts(bio, "\n------details-----\n");
1172         X509_print_ex(bio, x, XN_FLAG_ONELINE, 0);
1173         PEM_write_bio_X509(bio, x);
1174         /* Print certificate stuff */
1175         BIO_puts(bio, "------------------\n");
1176         X509_free(x);
1177     }
1178     if (q != p + 3 + clen) {
1179         BIO_puts(bio, "<TRAILING GARBAGE AFTER CERTIFICATE>\n");
1180     }
1181     *pmsg += clen + 3;
1182     *pmsglen -= clen + 3;
1183     return 1;
1184 }
1185
1186 static int ssl_print_certificates(BIO *bio, SSL *s, int server, int indent,
1187                                   const unsigned char *msg, size_t msglen)
1188 {
1189     size_t clen;
1190
1191     if (SSL_IS_TLS13(s)
1192             && !ssl_print_hexbuf(bio, indent, "context", 1, &msg, &msglen))
1193         return 0;
1194
1195     if (msglen < 3)
1196         return 0;
1197     clen = (msg[0] << 16) | (msg[1] << 8) | msg[2];
1198     if (msglen != clen + 3)
1199         return 0;
1200     msg += 3;
1201     BIO_indent(bio, indent, 80);
1202     BIO_printf(bio, "certificate_list, length=%d\n", (int)clen);
1203     while (clen > 0) {
1204         if (!ssl_print_certificate(bio, indent + 2, &msg, &clen))
1205             return 0;
1206         if (!ssl_print_extensions(bio, indent + 2, server, SSL3_MT_CERTIFICATE,
1207                                   &msg, &clen))
1208             return 0;
1209
1210     }
1211     return 1;
1212 }
1213
1214 static int ssl_print_cert_request(BIO *bio, int indent, SSL *s,
1215                                   const unsigned char *msg, size_t msglen)
1216 {
1217     size_t xlen;
1218     unsigned int sigalg;
1219
1220     if (SSL_IS_TLS13(s)) {
1221         if (!ssl_print_hexbuf(bio, indent, "request_context", 1, &msg, &msglen))
1222             return 0;
1223     } else {
1224         if (msglen < 1)
1225             return 0;
1226         xlen = msg[0];
1227         if (msglen < xlen + 1)
1228             return 0;
1229         msg++;
1230         BIO_indent(bio, indent, 80);
1231         BIO_printf(bio, "certificate_types (len=%d)\n", (int)xlen);
1232         if (!ssl_trace_list(bio, indent + 2, msg, xlen, 1, ssl_ctype_tbl))
1233             return 0;
1234         msg += xlen;
1235         msglen -= xlen + 1;
1236     }
1237     if (SSL_USE_SIGALGS(s)) {
1238         if (msglen < 2)
1239             return 0;
1240         xlen = (msg[0] << 8) | msg[1];
1241         if (msglen < xlen + 2 || (xlen & 1))
1242             return 0;
1243         msg += 2;
1244         msglen -= xlen + 2;
1245         BIO_indent(bio, indent, 80);
1246         BIO_printf(bio, "signature_algorithms (len=%d)\n", (int)xlen);
1247         while (xlen > 0) {
1248             BIO_indent(bio, indent + 2, 80);
1249             sigalg = (msg[0] << 8) | msg[1];
1250             BIO_printf(bio, "%s (0x%04x)\n",
1251                        ssl_trace_str(sigalg, ssl_sigalg_tbl), sigalg);
1252             xlen -= 2;
1253             msg += 2;
1254         }
1255         msg += xlen;
1256     }
1257
1258     xlen = (msg[0] << 8) | msg[1];
1259     BIO_indent(bio, indent, 80);
1260     if (msglen < xlen + 2)
1261         return 0;
1262     msg += 2;
1263     msglen -= 2 + xlen;
1264     BIO_printf(bio, "certificate_authorities (len=%d)\n", (int)xlen);
1265     while (xlen > 0) {
1266         size_t dlen;
1267         X509_NAME *nm;
1268         const unsigned char *p;
1269         if (xlen < 2)
1270             return 0;
1271         dlen = (msg[0] << 8) | msg[1];
1272         if (xlen < dlen + 2)
1273             return 0;
1274         msg += 2;
1275         BIO_indent(bio, indent + 2, 80);
1276         BIO_printf(bio, "DistinguishedName (len=%d): ", (int)dlen);
1277         p = msg;
1278         nm = d2i_X509_NAME(NULL, &p, dlen);
1279         if (!nm) {
1280             BIO_puts(bio, "<UNPARSEABLE DN>\n");
1281         } else {
1282             X509_NAME_print_ex(bio, nm, 0, XN_FLAG_ONELINE);
1283             BIO_puts(bio, "\n");
1284             X509_NAME_free(nm);
1285         }
1286         xlen -= dlen + 2;
1287         msg += dlen;
1288     }
1289     if (SSL_IS_TLS13(s)) {
1290          if (!ssl_print_hexbuf(bio, indent, "request_extensions", 2,
1291                                &msg, &msglen))
1292         return 0;
1293     }
1294     return msglen == 0;
1295 }
1296
1297 static int ssl_print_ticket(BIO *bio, int indent, SSL *s,
1298                             const unsigned char *msg, size_t msglen)
1299 {
1300     unsigned int tick_life;
1301
1302     if (msglen == 0) {
1303         BIO_indent(bio, indent + 2, 80);
1304         BIO_puts(bio, "No Ticket\n");
1305         return 1;
1306     }
1307     if (msglen < 4)
1308         return 0;
1309     tick_life = (msg[0] << 24) | (msg[1] << 16) | (msg[2] << 8) | msg[3];
1310     msglen -= 4;
1311     msg += 4;
1312     BIO_indent(bio, indent + 2, 80);
1313     BIO_printf(bio, "ticket_lifetime_hint=%u\n", tick_life);
1314     if (SSL_IS_TLS13(s)) {
1315         unsigned int ticket_age_add;
1316
1317         if (msglen < 4)
1318             return 0;
1319         ticket_age_add = (msg[0] << 24) | (msg[1] << 16) | (msg[2] << 8)
1320                           | msg[3];
1321         msglen -= 4;
1322         msg += 4;
1323         BIO_indent(bio, indent + 2, 80);
1324         BIO_printf(bio, "ticket_age_add=%u\n", ticket_age_add);
1325     }
1326     if (!ssl_print_hexbuf(bio, indent + 2, "ticket", 2, &msg, &msglen))
1327         return 0;
1328     if (SSL_IS_TLS13(s) && !ssl_print_extensions(bio, indent + 2, 0,
1329                                                  SSL3_MT_NEWSESSION_TICKET,
1330                                                  &msg, &msglen))
1331         return 0;
1332     if (msglen)
1333         return 0;
1334     return 1;
1335 }
1336
1337 static int ssl_print_handshake(BIO *bio, SSL *ssl, int server,
1338                                const unsigned char *msg, size_t msglen,
1339                                int indent)
1340 {
1341     size_t hlen;
1342     unsigned char htype;
1343
1344     if (msglen < 4)
1345         return 0;
1346     htype = msg[0];
1347     hlen = (msg[1] << 16) | (msg[2] << 8) | msg[3];
1348     BIO_indent(bio, indent, 80);
1349     BIO_printf(bio, "%s, Length=%d\n",
1350                ssl_trace_str(htype, ssl_handshake_tbl), (int)hlen);
1351     msg += 4;
1352     msglen -= 4;
1353     if (SSL_IS_DTLS(ssl)) {
1354         if (msglen < 8)
1355             return 0;
1356         BIO_indent(bio, indent, 80);
1357         BIO_printf(bio, "message_seq=%d, fragment_offset=%d, "
1358                    "fragment_length=%d\n",
1359                    (msg[0] << 8) | msg[1],
1360                    (msg[2] << 16) | (msg[3] << 8) | msg[4],
1361                    (msg[5] << 16) | (msg[6] << 8) | msg[7]);
1362         msg += 8;
1363         msglen -= 8;
1364     }
1365     if (msglen < hlen)
1366         return 0;
1367     switch (htype) {
1368     case SSL3_MT_CLIENT_HELLO:
1369         if (!ssl_print_client_hello(bio, ssl, indent + 2, msg, msglen))
1370             return 0;
1371         break;
1372
1373     case DTLS1_MT_HELLO_VERIFY_REQUEST:
1374         if (!dtls_print_hello_vfyrequest(bio, indent + 2, msg, msglen))
1375             return 0;
1376         break;
1377
1378     case SSL3_MT_SERVER_HELLO:
1379         if (!ssl_print_server_hello(bio, indent + 2, msg, msglen))
1380             return 0;
1381         break;
1382
1383     case SSL3_MT_SERVER_KEY_EXCHANGE:
1384         if (!ssl_print_server_keyex(bio, indent + 2, ssl, msg, msglen))
1385             return 0;
1386         break;
1387
1388     case SSL3_MT_CLIENT_KEY_EXCHANGE:
1389         if (!ssl_print_client_keyex(bio, indent + 2, ssl, msg, msglen))
1390             return 0;
1391         break;
1392
1393     case SSL3_MT_CERTIFICATE:
1394         if (!ssl_print_certificates(bio, ssl, server, indent + 2, msg, msglen))
1395             return 0;
1396         break;
1397
1398     case SSL3_MT_CERTIFICATE_VERIFY:
1399         if (!ssl_print_signature(bio, indent + 2, ssl, &msg, &msglen))
1400             return 0;
1401         break;
1402
1403     case SSL3_MT_CERTIFICATE_REQUEST:
1404         if (!ssl_print_cert_request(bio, indent + 2, ssl, msg, msglen))
1405             return 0;
1406         break;
1407
1408     case SSL3_MT_FINISHED:
1409         ssl_print_hex(bio, indent + 2, "verify_data", msg, msglen);
1410         break;
1411
1412     case SSL3_MT_SERVER_DONE:
1413         if (msglen != 0)
1414             ssl_print_hex(bio, indent + 2, "unexpected value", msg, msglen);
1415         break;
1416
1417     case SSL3_MT_NEWSESSION_TICKET:
1418         if (!ssl_print_ticket(bio, indent + 2, ssl, msg, msglen))
1419             return 0;
1420         break;
1421
1422     case SSL3_MT_HELLO_RETRY_REQUEST:
1423         if (!ssl_print_version(bio, indent + 2, "server_version", &msg, &msglen,
1424                                NULL)
1425                 || !ssl_print_extensions(bio, indent + 2, 1,
1426                                          SSL3_MT_HELLO_RETRY_REQUEST, &msg,
1427                                          &msglen))
1428             return 0;
1429         break;
1430
1431     case SSL3_MT_ENCRYPTED_EXTENSIONS:
1432         if (!ssl_print_extensions(bio, indent + 2, 1,
1433                                   SSL3_MT_ENCRYPTED_EXTENSIONS, &msg, &msglen))
1434             return 0;
1435         break;
1436
1437     case SSL3_MT_KEY_UPDATE:
1438         if (msglen != 1) {
1439             ssl_print_hex(bio, indent + 2, "unexpected value", msg, msglen);
1440             return 0;
1441         }
1442         if (!ssl_trace_list(bio, indent + 2, msg, msglen, 1,
1443                             ssl_key_update_tbl))
1444             return 0;
1445         break;
1446
1447     default:
1448         BIO_indent(bio, indent + 2, 80);
1449         BIO_puts(bio, "Unsupported, hex dump follows:\n");
1450         BIO_dump_indent(bio, (const char *)msg, msglen, indent + 4);
1451     }
1452     return 1;
1453 }
1454
1455 const char *SSL_CIPHER_standard_name(const SSL_CIPHER *c)
1456 {
1457     return ssl_trace_str(c->id & 0xFFFF, ssl_ciphers_tbl);
1458 }
1459
1460 void SSL_trace(int write_p, int version, int content_type,
1461                const void *buf, size_t msglen, SSL *ssl, void *arg)
1462 {
1463     const unsigned char *msg = buf;
1464     BIO *bio = arg;
1465
1466     if (write_p == 2) {
1467         BIO_puts(bio, "Session ");
1468         ssl_print_hex(bio, 0,
1469                       ssl_trace_str(content_type, ssl_crypto_tbl), msg, msglen);
1470         return;
1471     }
1472     switch (content_type) {
1473     case SSL3_RT_HEADER:
1474         {
1475             int hvers = msg[1] << 8 | msg[2];
1476             BIO_puts(bio, write_p ? "Sent" : "Received");
1477             BIO_printf(bio, " Record\nHeader:\n  Version = %s (0x%x)\n",
1478                        ssl_trace_str(hvers, ssl_version_tbl), hvers);
1479             if (SSL_IS_DTLS(ssl)) {
1480                 BIO_printf(bio,
1481                            "  epoch=%d, sequence_number=%04x%04x%04x\n",
1482                            (msg[3] << 8 | msg[4]),
1483                            (msg[5] << 8 | msg[6]),
1484                            (msg[7] << 8 | msg[8]), (msg[9] << 8 | msg[10]));
1485             }
1486
1487             BIO_printf(bio, "  Content Type = %s (%d)\n  Length = %d",
1488                        ssl_trace_str(msg[0], ssl_content_tbl), msg[0],
1489                        msg[msglen - 2] << 8 | msg[msglen - 1]);
1490         }
1491         break;
1492     case SSL3_RT_HANDSHAKE:
1493         if (!ssl_print_handshake(bio, ssl, ssl->server ? write_p : !write_p,
1494                                  msg, msglen, 4))
1495             BIO_printf(bio, "Message length parse error!\n");
1496         break;
1497
1498     case SSL3_RT_CHANGE_CIPHER_SPEC:
1499         if (msglen == 1 && msg[0] == 1)
1500             BIO_puts(bio, "    change_cipher_spec (1)\n");
1501         else
1502             ssl_print_hex(bio, 4, "unknown value", msg, msglen);
1503         break;
1504
1505     case SSL3_RT_ALERT:
1506         if (msglen != 2)
1507             BIO_puts(bio, "    Illegal Alert Length\n");
1508         else {
1509             BIO_printf(bio, "    Level=%s(%d), description=%s(%d)\n",
1510                        SSL_alert_type_string_long(msg[0] << 8),
1511                        msg[0], SSL_alert_desc_string_long(msg[1]), msg[1]);
1512         }
1513
1514     }
1515
1516     BIO_puts(bio, "\n");
1517 }
1518
1519 #endif