ssl/t1_trce.c

   1 /*
   2  * Copyright 2012-2016 The OpenSSL Project Authors. All Rights Reserved.
   3  *
   4  * Licensed under the OpenSSL license (the "License").  You may not use
   5  * this file except in compliance with the License.  You can obtain a copy
   6  * in the file LICENSE in the source distribution or at
   7  * https://www.openssl.org/source/license.html
   8  */
   9
  10 #include "ssl_locl.h"
  11
  12 #ifndef OPENSSL_NO_SSL_TRACE
  13
  14 /* Packet trace support for OpenSSL */
  15
  16 typedef struct {
  17     int num;
  18     const char *name;
  19 } ssl_trace_tbl;
  20
  21 # define ssl_trace_str(val, tbl) \
  22         do_ssl_trace_str(val, tbl, OSSL_NELEM(tbl))
  23
  24 # define ssl_trace_list(bio, indent, msg, msglen, value, table) \
  25         do_ssl_trace_list(bio, indent, msg, msglen, value, \
  26          table, OSSL_NELEM(table))
  27
  28 static const char *do_ssl_trace_str(int val, ssl_trace_tbl *tbl, size_t ntbl)
  29 {
  30     size_t i;
  31
  32     for (i = 0; i < ntbl; i++, tbl++) {
  33         if (tbl->num == val)
  34             return tbl->name;
  35     }
  36     return "UNKNOWN";
  37 }
  38
  39 static int do_ssl_trace_list(BIO *bio, int indent,
  40                              const unsigned char *msg, size_t msglen,
  41                              size_t vlen, ssl_trace_tbl *tbl, size_t ntbl)
  42 {
  43     int val;
  44
  45     if (msglen % vlen)
  46         return 0;
  47     while (msglen) {
  48         val = msg[0];
  49         if (vlen == 2)
  50             val = (val << 8) | msg[1];
  51         BIO_indent(bio, indent, 80);
  52         BIO_printf(bio, "%s (%d)\n", do_ssl_trace_str(val, tbl, ntbl), val);
  53         msg += vlen;
  54         msglen -= vlen;
  55     }
  56     return 1;
  57 }
  58
  59 /* Version number */
  60
  61 static ssl_trace_tbl ssl_version_tbl[] = {
  62     {SSL3_VERSION, "SSL 3.0"},
  63     {TLS1_VERSION, "TLS 1.0"},
  64     {TLS1_1_VERSION, "TLS 1.1"},
  65     {TLS1_2_VERSION, "TLS 1.2"},
  66     {TLS1_3_VERSION, "TLS 1.3"},
  67     /* TODO(TLS1.3): Remove this line before release */
  68     {TLS1_3_VERSION_DRAFT, TLS1_3_VERSION_DRAFT_TXT},
  69     {DTLS1_VERSION, "DTLS 1.0"},
  70     {DTLS1_2_VERSION, "DTLS 1.2"},
  71     {DTLS1_BAD_VER, "DTLS 1.0 (bad)"}
  72 };
  73
  74 static ssl_trace_tbl ssl_content_tbl[] = {
  75     {SSL3_RT_CHANGE_CIPHER_SPEC, "ChangeCipherSpec"},
  76     {SSL3_RT_ALERT, "Alert"},
  77     {SSL3_RT_HANDSHAKE, "Handshake"},
  78     {SSL3_RT_APPLICATION_DATA, "ApplicationData"},
  79 };
  80
  81 /* Handshake types */
  82 static ssl_trace_tbl ssl_handshake_tbl[] = {
  83     {SSL3_MT_HELLO_REQUEST, "HelloRequest"},
  84     {SSL3_MT_CLIENT_HELLO, "ClientHello"},
  85     {SSL3_MT_SERVER_HELLO, "ServerHello"},
  86     {DTLS1_MT_HELLO_VERIFY_REQUEST, "HelloVerifyRequest"},
  87     {SSL3_MT_NEWSESSION_TICKET, "NewSessionTicket"},
  88     {SSL3_MT_END_OF_EARLY_DATA, "EndOfEarlyData"},
  89     {SSL3_MT_HELLO_RETRY_REQUEST, "HelloRetryRequest"},
  90     {SSL3_MT_ENCRYPTED_EXTENSIONS, "EncryptedExtensions"},
  91     {SSL3_MT_CERTIFICATE, "Certificate"},
  92     {SSL3_MT_SERVER_KEY_EXCHANGE, "ServerKeyExchange"},
  93     {SSL3_MT_CERTIFICATE_REQUEST, "CertificateRequest"},
  94     {SSL3_MT_SERVER_DONE, "ServerHelloDone"},
  95     {SSL3_MT_CERTIFICATE_VERIFY, "CertificateVerify"},
  96     {SSL3_MT_CLIENT_KEY_EXCHANGE, "ClientKeyExchange"},
  97     {SSL3_MT_CERTIFICATE_STATUS, "CertificateStatus"},
  98     {SSL3_MT_CLIENT_KEY_EXCHANGE, "ClientKeyExchange"},
  99     {SSL3_MT_FINISHED, "Finished"},
 100     {SSL3_MT_CERTIFICATE_STATUS, "CertificateStatus"},
 101     {SSL3_MT_KEY_UPDATE, "KeyUpdate"},
 102 # ifndef OPENSSL_NO_NEXTPROTONEG
 103     {SSL3_MT_NEXT_PROTO, "NextProto"},
 104 # endif
 105     {SSL3_MT_MESSAGE_HASH, "MessageHash"}
 106 };
 107
 108 /* Cipher suites */
 109 static ssl_trace_tbl ssl_ciphers_tbl[] = {
 110     {0x0000, "SSL_NULL_WITH_NULL_NULL"},
 111     {0x0001, "SSL_RSA_WITH_NULL_MD5"},
 112     {0x0002, "SSL_RSA_WITH_NULL_SHA"},
 113     {0x0003, "SSL_RSA_EXPORT_WITH_RC4_40_MD5"},
 114     {0x0004, "SSL_RSA_WITH_RC4_128_MD5"},
 115     {0x0005, "SSL_RSA_WITH_RC4_128_SHA"},
 116     {0x0006, "SSL_RSA_EXPORT_WITH_RC2_CBC_40_MD5"},
 117     {0x0007, "SSL_RSA_WITH_IDEA_CBC_SHA"},
 118     {0x0008, "SSL_RSA_EXPORT_WITH_DES40_CBC_SHA"},
 119     {0x0009, "SSL_RSA_WITH_DES_CBC_SHA"},
 120     {0x000A, "SSL_RSA_WITH_3DES_EDE_CBC_SHA"},
 121     {0x000B, "SSL_DH_DSS_EXPORT_WITH_DES40_CBC_SHA"},
 122     {0x000C, "SSL_DH_DSS_WITH_DES_CBC_SHA"},
 123     {0x000D, "SSL_DH_DSS_WITH_3DES_EDE_CBC_SHA"},
 124     {0x000E, "SSL_DH_RSA_EXPORT_WITH_DES40_CBC_SHA"},
 125     {0x000F, "SSL_DH_RSA_WITH_DES_CBC_SHA"},
 126     {0x0010, "SSL_DH_RSA_WITH_3DES_EDE_CBC_SHA"},
 127     {0x0011, "SSL_DHE_DSS_EXPORT_WITH_DES40_CBC_SHA"},
 128     {0x0012, "SSL_DHE_DSS_WITH_DES_CBC_SHA"},
 129     {0x0013, "SSL_DHE_DSS_WITH_3DES_EDE_CBC_SHA"},
 130     {0x0014, "SSL_DHE_RSA_EXPORT_WITH_DES40_CBC_SHA"},
 131     {0x0015, "SSL_DHE_RSA_WITH_DES_CBC_SHA"},
 132     {0x0016, "SSL_DHE_RSA_WITH_3DES_EDE_CBC_SHA"},
 133     {0x0017, "SSL_DH_anon_EXPORT_WITH_RC4_40_MD5"},
 134     {0x0018, "SSL_DH_anon_WITH_RC4_128_MD5"},
 135     {0x0019, "SSL_DH_anon_EXPORT_WITH_DES40_CBC_SHA"},
 136     {0x001A, "SSL_DH_anon_WITH_DES_CBC_SHA"},
 137     {0x001B, "SSL_DH_anon_WITH_3DES_EDE_CBC_SHA"},
 138     {0x001D, "SSL_FORTEZZA_KEA_WITH_FORTEZZA_CBC_SHA"},
 139     {0x001E, "SSL_FORTEZZA_KEA_WITH_RC4_128_SHA"},
 140     {0x001F, "TLS_KRB5_WITH_3DES_EDE_CBC_SHA"},
 141     {0x0020, "TLS_KRB5_WITH_RC4_128_SHA"},
 142     {0x0021, "TLS_KRB5_WITH_IDEA_CBC_SHA"},
 143     {0x0022, "TLS_KRB5_WITH_DES_CBC_MD5"},
 144     {0x0023, "TLS_KRB5_WITH_3DES_EDE_CBC_MD5"},
 145     {0x0024, "TLS_KRB5_WITH_RC4_128_MD5"},
 146     {0x0025, "TLS_KRB5_WITH_IDEA_CBC_MD5"},
 147     {0x0026, "TLS_KRB5_EXPORT_WITH_DES_CBC_40_SHA"},
 148     {0x0027, "TLS_KRB5_EXPORT_WITH_RC2_CBC_40_SHA"},
 149     {0x0028, "TLS_KRB5_EXPORT_WITH_RC4_40_SHA"},
 150     {0x0029, "TLS_KRB5_EXPORT_WITH_DES_CBC_40_MD5"},
 151     {0x002A, "TLS_KRB5_EXPORT_WITH_RC2_CBC_40_MD5"},
 152     {0x002B, "TLS_KRB5_EXPORT_WITH_RC4_40_MD5"},
 153     {0x002C, "TLS_PSK_WITH_NULL_SHA"},
 154     {0x002D, "TLS_DHE_PSK_WITH_NULL_SHA"},
 155     {0x002E, "TLS_RSA_PSK_WITH_NULL_SHA"},
 156     {0x002F, "TLS_RSA_WITH_AES_128_CBC_SHA"},
 157     {0x0030, "TLS_DH_DSS_WITH_AES_128_CBC_SHA"},
 158     {0x0031, "TLS_DH_RSA_WITH_AES_128_CBC_SHA"},
 159     {0x0032, "TLS_DHE_DSS_WITH_AES_128_CBC_SHA"},
 160     {0x0033, "TLS_DHE_RSA_WITH_AES_128_CBC_SHA"},
 161     {0x0034, "TLS_DH_anon_WITH_AES_128_CBC_SHA"},
 162     {0x0035, "TLS_RSA_WITH_AES_256_CBC_SHA"},
 163     {0x0036, "TLS_DH_DSS_WITH_AES_256_CBC_SHA"},
 164     {0x0037, "TLS_DH_RSA_WITH_AES_256_CBC_SHA"},
 165     {0x0038, "TLS_DHE_DSS_WITH_AES_256_CBC_SHA"},
 166     {0x0039, "TLS_DHE_RSA_WITH_AES_256_CBC_SHA"},
 167     {0x003A, "TLS_DH_anon_WITH_AES_256_CBC_SHA"},
 168     {0x003B, "TLS_RSA_WITH_NULL_SHA256"},
 169     {0x003C, "TLS_RSA_WITH_AES_128_CBC_SHA256"},
 170     {0x003D, "TLS_RSA_WITH_AES_256_CBC_SHA256"},
 171     {0x003E, "TLS_DH_DSS_WITH_AES_128_CBC_SHA256"},
 172     {0x003F, "TLS_DH_RSA_WITH_AES_128_CBC_SHA256"},
 173     {0x0040, "TLS_DHE_DSS_WITH_AES_128_CBC_SHA256"},
 174     {0x0041, "TLS_RSA_WITH_CAMELLIA_128_CBC_SHA"},
 175     {0x0042, "TLS_DH_DSS_WITH_CAMELLIA_128_CBC_SHA"},
 176     {0x0043, "TLS_DH_RSA_WITH_CAMELLIA_128_CBC_SHA"},
 177     {0x0044, "TLS_DHE_DSS_WITH_CAMELLIA_128_CBC_SHA"},
 178     {0x0045, "TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA"},
 179     {0x0046, "TLS_DH_anon_WITH_CAMELLIA_128_CBC_SHA"},
 180     {0x0067, "TLS_DHE_RSA_WITH_AES_128_CBC_SHA256"},
 181     {0x0068, "TLS_DH_DSS_WITH_AES_256_CBC_SHA256"},
 182     {0x0069, "TLS_DH_RSA_WITH_AES_256_CBC_SHA256"},
 183     {0x006A, "TLS_DHE_DSS_WITH_AES_256_CBC_SHA256"},
 184     {0x006B, "TLS_DHE_RSA_WITH_AES_256_CBC_SHA256"},
 185     {0x006C, "TLS_DH_anon_WITH_AES_128_CBC_SHA256"},
 186     {0x006D, "TLS_DH_anon_WITH_AES_256_CBC_SHA256"},
 187     {0x0084, "TLS_RSA_WITH_CAMELLIA_256_CBC_SHA"},
 188     {0x0085, "TLS_DH_DSS_WITH_CAMELLIA_256_CBC_SHA"},
 189     {0x0086, "TLS_DH_RSA_WITH_CAMELLIA_256_CBC_SHA"},
 190     {0x0087, "TLS_DHE_DSS_WITH_CAMELLIA_256_CBC_SHA"},
 191     {0x0088, "TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA"},
 192     {0x0089, "TLS_DH_anon_WITH_CAMELLIA_256_CBC_SHA"},
 193     {0x008A, "TLS_PSK_WITH_RC4_128_SHA"},
 194     {0x008B, "TLS_PSK_WITH_3DES_EDE_CBC_SHA"},
 195     {0x008C, "TLS_PSK_WITH_AES_128_CBC_SHA"},
 196     {0x008D, "TLS_PSK_WITH_AES_256_CBC_SHA"},
 197     {0x008E, "TLS_DHE_PSK_WITH_RC4_128_SHA"},
 198     {0x008F, "TLS_DHE_PSK_WITH_3DES_EDE_CBC_SHA"},
 199     {0x0090, "TLS_DHE_PSK_WITH_AES_128_CBC_SHA"},
 200     {0x0091, "TLS_DHE_PSK_WITH_AES_256_CBC_SHA"},
 201     {0x0092, "TLS_RSA_PSK_WITH_RC4_128_SHA"},
 202     {0x0093, "TLS_RSA_PSK_WITH_3DES_EDE_CBC_SHA"},
 203     {0x0094, "TLS_RSA_PSK_WITH_AES_128_CBC_SHA"},
 204     {0x0095, "TLS_RSA_PSK_WITH_AES_256_CBC_SHA"},
 205     {0x0096, "TLS_RSA_WITH_SEED_CBC_SHA"},
 206     {0x0097, "TLS_DH_DSS_WITH_SEED_CBC_SHA"},
 207     {0x0098, "TLS_DH_RSA_WITH_SEED_CBC_SHA"},
 208     {0x0099, "TLS_DHE_DSS_WITH_SEED_CBC_SHA"},
 209     {0x009A, "TLS_DHE_RSA_WITH_SEED_CBC_SHA"},
 210     {0x009B, "TLS_DH_anon_WITH_SEED_CBC_SHA"},
 211     {0x009C, "TLS_RSA_WITH_AES_128_GCM_SHA256"},
 212     {0x009D, "TLS_RSA_WITH_AES_256_GCM_SHA384"},
 213     {0x009E, "TLS_DHE_RSA_WITH_AES_128_GCM_SHA256"},
 214     {0x009F, "TLS_DHE_RSA_WITH_AES_256_GCM_SHA384"},
 215     {0x00A0, "TLS_DH_RSA_WITH_AES_128_GCM_SHA256"},
 216     {0x00A1, "TLS_DH_RSA_WITH_AES_256_GCM_SHA384"},
 217     {0x00A2, "TLS_DHE_DSS_WITH_AES_128_GCM_SHA256"},
 218     {0x00A3, "TLS_DHE_DSS_WITH_AES_256_GCM_SHA384"},
 219     {0x00A4, "TLS_DH_DSS_WITH_AES_128_GCM_SHA256"},
 220     {0x00A5, "TLS_DH_DSS_WITH_AES_256_GCM_SHA384"},
 221     {0x00A6, "TLS_DH_anon_WITH_AES_128_GCM_SHA256"},
 222     {0x00A7, "TLS_DH_anon_WITH_AES_256_GCM_SHA384"},
 223     {0x00A8, "TLS_PSK_WITH_AES_128_GCM_SHA256"},
 224     {0x00A9, "TLS_PSK_WITH_AES_256_GCM_SHA384"},
 225     {0x00AA, "TLS_DHE_PSK_WITH_AES_128_GCM_SHA256"},
 226     {0x00AB, "TLS_DHE_PSK_WITH_AES_256_GCM_SHA384"},
 227     {0x00AC, "TLS_RSA_PSK_WITH_AES_128_GCM_SHA256"},
 228     {0x00AD, "TLS_RSA_PSK_WITH_AES_256_GCM_SHA384"},
 229     {0x00AE, "TLS_PSK_WITH_AES_128_CBC_SHA256"},
 230     {0x00AF, "TLS_PSK_WITH_AES_256_CBC_SHA384"},
 231     {0x00B0, "TLS_PSK_WITH_NULL_SHA256"},
 232     {0x00B1, "TLS_PSK_WITH_NULL_SHA384"},
 233     {0x00B2, "TLS_DHE_PSK_WITH_AES_128_CBC_SHA256"},
 234     {0x00B3, "TLS_DHE_PSK_WITH_AES_256_CBC_SHA384"},
 235     {0x00B4, "TLS_DHE_PSK_WITH_NULL_SHA256"},
 236     {0x00B5, "TLS_DHE_PSK_WITH_NULL_SHA384"},
 237     {0x00B6, "TLS_RSA_PSK_WITH_AES_128_CBC_SHA256"},
 238     {0x00B7, "TLS_RSA_PSK_WITH_AES_256_CBC_SHA384"},
 239     {0x00B8, "TLS_RSA_PSK_WITH_NULL_SHA256"},
 240     {0x00B9, "TLS_RSA_PSK_WITH_NULL_SHA384"},
 241     {0x00BA, "TLS_RSA_WITH_CAMELLIA_128_CBC_SHA256"},
 242     {0x00BB, "TLS_DH_DSS_WITH_CAMELLIA_128_CBC_SHA256"},
 243     {0x00BC, "TLS_DH_RSA_WITH_CAMELLIA_128_CBC_SHA256"},
 244     {0x00BD, "TLS_DHE_DSS_WITH_CAMELLIA_128_CBC_SHA256"},
 245     {0x00BE, "TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA256"},
 246     {0x00BF, "TLS_DH_anon_WITH_CAMELLIA_128_CBC_SHA256"},
 247     {0x00C0, "TLS_RSA_WITH_CAMELLIA_256_CBC_SHA256"},
 248     {0x00C1, "TLS_DH_DSS_WITH_CAMELLIA_256_CBC_SHA256"},
 249     {0x00C2, "TLS_DH_RSA_WITH_CAMELLIA_256_CBC_SHA256"},
 250     {0x00C3, "TLS_DHE_DSS_WITH_CAMELLIA_256_CBC_SHA256"},
 251     {0x00C4, "TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA256"},
 252     {0x00C5, "TLS_DH_anon_WITH_CAMELLIA_256_CBC_SHA256"},
 253     {0x00FF, "TLS_EMPTY_RENEGOTIATION_INFO_SCSV"},
 254     {0x5600, "TLS_FALLBACK_SCSV"},
 255     {0xC001, "TLS_ECDH_ECDSA_WITH_NULL_SHA"},
 256     {0xC002, "TLS_ECDH_ECDSA_WITH_RC4_128_SHA"},
 257     {0xC003, "TLS_ECDH_ECDSA_WITH_3DES_EDE_CBC_SHA"},
 258     {0xC004, "TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA"},
 259     {0xC005, "TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA"},
 260     {0xC006, "TLS_ECDHE_ECDSA_WITH_NULL_SHA"},
 261     {0xC007, "TLS_ECDHE_ECDSA_WITH_RC4_128_SHA"},
 262     {0xC008, "TLS_ECDHE_ECDSA_WITH_3DES_EDE_CBC_SHA"},
 263     {0xC009, "TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA"},
 264     {0xC00A, "TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA"},
 265     {0xC00B, "TLS_ECDH_RSA_WITH_NULL_SHA"},
 266     {0xC00C, "TLS_ECDH_RSA_WITH_RC4_128_SHA"},
 267     {0xC00D, "TLS_ECDH_RSA_WITH_3DES_EDE_CBC_SHA"},
 268     {0xC00E, "TLS_ECDH_RSA_WITH_AES_128_CBC_SHA"},
 269     {0xC00F, "TLS_ECDH_RSA_WITH_AES_256_CBC_SHA"},
 270     {0xC010, "TLS_ECDHE_RSA_WITH_NULL_SHA"},
 271     {0xC011, "TLS_ECDHE_RSA_WITH_RC4_128_SHA"},
 272     {0xC012, "TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA"},
 273     {0xC013, "TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA"},
 274     {0xC014, "TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA"},
 275     {0xC015, "TLS_ECDH_anon_WITH_NULL_SHA"},
 276     {0xC016, "TLS_ECDH_anon_WITH_RC4_128_SHA"},
 277     {0xC017, "TLS_ECDH_anon_WITH_3DES_EDE_CBC_SHA"},
 278     {0xC018, "TLS_ECDH_anon_WITH_AES_128_CBC_SHA"},
 279     {0xC019, "TLS_ECDH_anon_WITH_AES_256_CBC_SHA"},
 280     {0xC01A, "TLS_SRP_SHA_WITH_3DES_EDE_CBC_SHA"},
 281     {0xC01B, "TLS_SRP_SHA_RSA_WITH_3DES_EDE_CBC_SHA"},
 282     {0xC01C, "TLS_SRP_SHA_DSS_WITH_3DES_EDE_CBC_SHA"},
 283     {0xC01D, "TLS_SRP_SHA_WITH_AES_128_CBC_SHA"},
 284     {0xC01E, "TLS_SRP_SHA_RSA_WITH_AES_128_CBC_SHA"},
 285     {0xC01F, "TLS_SRP_SHA_DSS_WITH_AES_128_CBC_SHA"},
 286     {0xC020, "TLS_SRP_SHA_WITH_AES_256_CBC_SHA"},
 287     {0xC021, "TLS_SRP_SHA_RSA_WITH_AES_256_CBC_SHA"},
 288     {0xC022, "TLS_SRP_SHA_DSS_WITH_AES_256_CBC_SHA"},
 289     {0xC023, "TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256"},
 290     {0xC024, "TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384"},
 291     {0xC025, "TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA256"},
 292     {0xC026, "TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA384"},
 293     {0xC027, "TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256"},
 294     {0xC028, "TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384"},
 295     {0xC029, "TLS_ECDH_RSA_WITH_AES_128_CBC_SHA256"},
 296     {0xC02A, "TLS_ECDH_RSA_WITH_AES_256_CBC_SHA384"},
 297     {0xC02B, "TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256"},
 298     {0xC02C, "TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384"},
 299     {0xC02D, "TLS_ECDH_ECDSA_WITH_AES_128_GCM_SHA256"},
 300     {0xC02E, "TLS_ECDH_ECDSA_WITH_AES_256_GCM_SHA384"},
 301     {0xC02F, "TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256"},
 302     {0xC030, "TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384"},
 303     {0xC031, "TLS_ECDH_RSA_WITH_AES_128_GCM_SHA256"},
 304     {0xC032, "TLS_ECDH_RSA_WITH_AES_256_GCM_SHA384"},
 305     {0xC033, "TLS_ECDHE_PSK_WITH_RC4_128_SHA"},
 306     {0xC034, "TLS_ECDHE_PSK_WITH_3DES_EDE_CBC_SHA"},
 307     {0xC035, "TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA"},
 308     {0xC036, "TLS_ECDHE_PSK_WITH_AES_256_CBC_SHA"},
 309     {0xC037, "TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA256"},
 310     {0xC038, "TLS_ECDHE_PSK_WITH_AES_256_CBC_SHA384"},
 311     {0xC039, "TLS_ECDHE_PSK_WITH_NULL_SHA"},
 312     {0xC03A, "TLS_ECDHE_PSK_WITH_NULL_SHA256"},
 313     {0xC03B, "TLS_ECDHE_PSK_WITH_NULL_SHA384"},
 314     {0xC03C, "TLS_RSA_WITH_ARIA_128_CBC_SHA256"},
 315     {0xC03D, "TLS_RSA_WITH_ARIA_256_CBC_SHA384"},
 316     {0xC03E, "TLS_DH_DSS_WITH_ARIA_128_CBC_SHA256"},
 317     {0xC03F, "TLS_DH_DSS_WITH_ARIA_256_CBC_SHA384"},
 318     {0xC040, "TLS_DH_RSA_WITH_ARIA_128_CBC_SHA256"},
 319     {0xC041, "TLS_DH_RSA_WITH_ARIA_256_CBC_SHA384"},
 320     {0xC042, "TLS_DHE_DSS_WITH_ARIA_128_CBC_SHA256"},
 321     {0xC043, "TLS_DHE_DSS_WITH_ARIA_256_CBC_SHA384"},
 322     {0xC044, "TLS_DHE_RSA_WITH_ARIA_128_CBC_SHA256"},
 323     {0xC045, "TLS_DHE_RSA_WITH_ARIA_256_CBC_SHA384"},
 324     {0xC046, "TLS_DH_anon_WITH_ARIA_128_CBC_SHA256"},
 325     {0xC047, "TLS_DH_anon_WITH_ARIA_256_CBC_SHA384"},
 326     {0xC048, "TLS_ECDHE_ECDSA_WITH_ARIA_128_CBC_SHA256"},
 327     {0xC049, "TLS_ECDHE_ECDSA_WITH_ARIA_256_CBC_SHA384"},
 328     {0xC04A, "TLS_ECDH_ECDSA_WITH_ARIA_128_CBC_SHA256"},
 329     {0xC04B, "TLS_ECDH_ECDSA_WITH_ARIA_256_CBC_SHA384"},
 330     {0xC04C, "TLS_ECDHE_RSA_WITH_ARIA_128_CBC_SHA256"},
 331     {0xC04D, "TLS_ECDHE_RSA_WITH_ARIA_256_CBC_SHA384"},
 332     {0xC04E, "TLS_ECDH_RSA_WITH_ARIA_128_CBC_SHA256"},
 333     {0xC04F, "TLS_ECDH_RSA_WITH_ARIA_256_CBC_SHA384"},
 334     {0xC050, "TLS_RSA_WITH_ARIA_128_GCM_SHA256"},
 335     {0xC051, "TLS_RSA_WITH_ARIA_256_GCM_SHA384"},
 336     {0xC052, "TLS_DHE_RSA_WITH_ARIA_128_GCM_SHA256"},
 337     {0xC053, "TLS_DHE_RSA_WITH_ARIA_256_GCM_SHA384"},
 338     {0xC054, "TLS_DH_RSA_WITH_ARIA_128_GCM_SHA256"},
 339     {0xC055, "TLS_DH_RSA_WITH_ARIA_256_GCM_SHA384"},
 340     {0xC056, "TLS_DHE_DSS_WITH_ARIA_128_GCM_SHA256"},
 341     {0xC057, "TLS_DHE_DSS_WITH_ARIA_256_GCM_SHA384"},
 342     {0xC058, "TLS_DH_DSS_WITH_ARIA_128_GCM_SHA256"},
 343     {0xC059, "TLS_DH_DSS_WITH_ARIA_256_GCM_SHA384"},
 344     {0xC05A, "TLS_DH_anon_WITH_ARIA_128_GCM_SHA256"},
 345     {0xC05B, "TLS_DH_anon_WITH_ARIA_256_GCM_SHA384"},
 346     {0xC05C, "TLS_ECDHE_ECDSA_WITH_ARIA_128_GCM_SHA256"},
 347     {0xC05D, "TLS_ECDHE_ECDSA_WITH_ARIA_256_GCM_SHA384"},
 348     {0xC05E, "TLS_ECDH_ECDSA_WITH_ARIA_128_GCM_SHA256"},
 349     {0xC05F, "TLS_ECDH_ECDSA_WITH_ARIA_256_GCM_SHA384"},
 350     {0xC060, "TLS_ECDHE_RSA_WITH_ARIA_128_GCM_SHA256"},
 351     {0xC061, "TLS_ECDHE_RSA_WITH_ARIA_256_GCM_SHA384"},
 352     {0xC062, "TLS_ECDH_RSA_WITH_ARIA_128_GCM_SHA256"},
 353     {0xC063, "TLS_ECDH_RSA_WITH_ARIA_256_GCM_SHA384"},
 354     {0xC064, "TLS_PSK_WITH_ARIA_128_CBC_SHA256"},
 355     {0xC065, "TLS_PSK_WITH_ARIA_256_CBC_SHA384"},
 356     {0xC066, "TLS_DHE_PSK_WITH_ARIA_128_CBC_SHA256"},
 357     {0xC067, "TLS_DHE_PSK_WITH_ARIA_256_CBC_SHA384"},
 358     {0xC068, "TLS_RSA_PSK_WITH_ARIA_128_CBC_SHA256"},
 359     {0xC069, "TLS_RSA_PSK_WITH_ARIA_256_CBC_SHA384"},
 360     {0xC06A, "TLS_PSK_WITH_ARIA_128_GCM_SHA256"},
 361     {0xC06B, "TLS_PSK_WITH_ARIA_256_GCM_SHA384"},
 362     {0xC06C, "TLS_DHE_PSK_WITH_ARIA_128_GCM_SHA256"},
 363     {0xC06D, "TLS_DHE_PSK_WITH_ARIA_256_GCM_SHA384"},
 364     {0xC06E, "TLS_RSA_PSK_WITH_ARIA_128_GCM_SHA256"},
 365     {0xC06F, "TLS_RSA_PSK_WITH_ARIA_256_GCM_SHA384"},
 366     {0xC070, "TLS_ECDHE_PSK_WITH_ARIA_128_CBC_SHA256"},
 367     {0xC071, "TLS_ECDHE_PSK_WITH_ARIA_256_CBC_SHA384"},
 368     {0xC072, "TLS_ECDHE_ECDSA_WITH_CAMELLIA_128_CBC_SHA256"},
 369     {0xC073, "TLS_ECDHE_ECDSA_WITH_CAMELLIA_256_CBC_SHA384"},
 370     {0xC074, "TLS_ECDH_ECDSA_WITH_CAMELLIA_128_CBC_SHA256"},
 371     {0xC075, "TLS_ECDH_ECDSA_WITH_CAMELLIA_256_CBC_SHA384"},
 372     {0xC076, "TLS_ECDHE_RSA_WITH_CAMELLIA_128_CBC_SHA256"},
 373     {0xC077, "TLS_ECDHE_RSA_WITH_CAMELLIA_256_CBC_SHA384"},
 374     {0xC078, "TLS_ECDH_RSA_WITH_CAMELLIA_128_CBC_SHA256"},
 375     {0xC079, "TLS_ECDH_RSA_WITH_CAMELLIA_256_CBC_SHA384"},
 376     {0xC07A, "TLS_RSA_WITH_CAMELLIA_128_GCM_SHA256"},
 377     {0xC07B, "TLS_RSA_WITH_CAMELLIA_256_GCM_SHA384"},
 378     {0xC07C, "TLS_DHE_RSA_WITH_CAMELLIA_128_GCM_SHA256"},
 379     {0xC07D, "TLS_DHE_RSA_WITH_CAMELLIA_256_GCM_SHA384"},
 380     {0xC07E, "TLS_DH_RSA_WITH_CAMELLIA_128_GCM_SHA256"},
 381     {0xC07F, "TLS_DH_RSA_WITH_CAMELLIA_256_GCM_SHA384"},
 382     {0xC080, "TLS_DHE_DSS_WITH_CAMELLIA_128_GCM_SHA256"},
 383     {0xC081, "TLS_DHE_DSS_WITH_CAMELLIA_256_GCM_SHA384"},
 384     {0xC082, "TLS_DH_DSS_WITH_CAMELLIA_128_GCM_SHA256"},
 385     {0xC083, "TLS_DH_DSS_WITH_CAMELLIA_256_GCM_SHA384"},
 386     {0xC084, "TLS_DH_anon_WITH_CAMELLIA_128_GCM_SHA256"},
 387     {0xC085, "TLS_DH_anon_WITH_CAMELLIA_256_GCM_SHA384"},
 388     {0xC086, "TLS_ECDHE_ECDSA_WITH_CAMELLIA_128_GCM_SHA256"},
 389     {0xC087, "TLS_ECDHE_ECDSA_WITH_CAMELLIA_256_GCM_SHA384"},
 390     {0xC088, "TLS_ECDH_ECDSA_WITH_CAMELLIA_128_GCM_SHA256"},
 391     {0xC089, "TLS_ECDH_ECDSA_WITH_CAMELLIA_256_GCM_SHA384"},
 392     {0xC08A, "TLS_ECDHE_RSA_WITH_CAMELLIA_128_GCM_SHA256"},
 393     {0xC08B, "TLS_ECDHE_RSA_WITH_CAMELLIA_256_GCM_SHA384"},
 394     {0xC08C, "TLS_ECDH_RSA_WITH_CAMELLIA_128_GCM_SHA256"},
 395     {0xC08D, "TLS_ECDH_RSA_WITH_CAMELLIA_256_GCM_SHA384"},
 396     {0xC08E, "TLS_PSK_WITH_CAMELLIA_128_GCM_SHA256"},
 397     {0xC08F, "TLS_PSK_WITH_CAMELLIA_256_GCM_SHA384"},
 398     {0xC090, "TLS_DHE_PSK_WITH_CAMELLIA_128_GCM_SHA256"},
 399     {0xC091, "TLS_DHE_PSK_WITH_CAMELLIA_256_GCM_SHA384"},
 400     {0xC092, "TLS_RSA_PSK_WITH_CAMELLIA_128_GCM_SHA256"},
 401     {0xC093, "TLS_RSA_PSK_WITH_CAMELLIA_256_GCM_SHA384"},
 402     {0xC094, "TLS_PSK_WITH_CAMELLIA_128_CBC_SHA256"},
 403     {0xC095, "TLS_PSK_WITH_CAMELLIA_256_CBC_SHA384"},
 404     {0xC096, "TLS_DHE_PSK_WITH_CAMELLIA_128_CBC_SHA256"},
 405     {0xC097, "TLS_DHE_PSK_WITH_CAMELLIA_256_CBC_SHA384"},
 406     {0xC098, "TLS_RSA_PSK_WITH_CAMELLIA_128_CBC_SHA256"},
 407     {0xC099, "TLS_RSA_PSK_WITH_CAMELLIA_256_CBC_SHA384"},
 408     {0xC09A, "TLS_ECDHE_PSK_WITH_CAMELLIA_128_CBC_SHA256"},
 409     {0xC09B, "TLS_ECDHE_PSK_WITH_CAMELLIA_256_CBC_SHA384"},
 410     {0xC09C, "TLS_RSA_WITH_AES_128_CCM"},
 411     {0xC09D, "TLS_RSA_WITH_AES_256_CCM"},
 412     {0xC09E, "TLS_DHE_RSA_WITH_AES_128_CCM"},
 413     {0xC09F, "TLS_DHE_RSA_WITH_AES_256_CCM"},
 414     {0xC0A0, "TLS_RSA_WITH_AES_128_CCM_8"},
 415     {0xC0A1, "TLS_RSA_WITH_AES_256_CCM_8"},
 416     {0xC0A2, "TLS_DHE_RSA_WITH_AES_128_CCM_8"},
 417     {0xC0A3, "TLS_DHE_RSA_WITH_AES_256_CCM_8"},
 418     {0xC0A4, "TLS_PSK_WITH_AES_128_CCM"},
 419     {0xC0A5, "TLS_PSK_WITH_AES_256_CCM"},
 420     {0xC0A6, "TLS_DHE_PSK_WITH_AES_128_CCM"},
 421     {0xC0A7, "TLS_DHE_PSK_WITH_AES_256_CCM"},
 422     {0xC0A8, "TLS_PSK_WITH_AES_128_CCM_8"},
 423     {0xC0A9, "TLS_PSK_WITH_AES_256_CCM_8"},
 424     {0xC0AA, "TLS_PSK_DHE_WITH_AES_128_CCM_8"},
 425     {0xC0AB, "TLS_PSK_DHE_WITH_AES_256_CCM_8"},
 426     {0xC0AC, "TLS_ECDHE_ECDSA_WITH_AES_128_CCM"},
 427     {0xC0AD, "TLS_ECDHE_ECDSA_WITH_AES_256_CCM"},
 428     {0xC0AE, "TLS_ECDHE_ECDSA_WITH_AES_128_CCM_8"},
 429     {0xC0AF, "TLS_ECDHE_ECDSA_WITH_AES_256_CCM_8"},
 430     {0xCCA8, "TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305"},
 431     {0xCCA9, "TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305"},
 432     {0xCCAA, "TLS_DHE_RSA_WITH_CHACHA20_POLY1305"},
 433     {0xCCAB, "TLS_PSK_WITH_CHACHA20_POLY1305"},
 434     {0xCCAC, "TLS_ECDHE_PSK_WITH_CHACHA20_POLY1305"},
 435     {0xCCAD, "TLS_DHE_PSK_WITH_CHACHA20_POLY1305"},
 436     {0xCCAE, "TLS_RSA_PSK_WITH_CHACHA20_POLY1305"},
 437     {0x1301, "TLS_AES_128_GCM_SHA256"},
 438     {0x1302, "TLS_AES_256_GCM_SHA384"},
 439     {0x1303, "TLS_CHACHA20_POLY1305_SHA256"},
 440     {0x1304, "TLS_AES_128_CCM_SHA256"},
 441     {0x1305, "TLS_AES_128_CCM_8_SHA256"},
 442     {0xFEFE, "SSL_RSA_FIPS_WITH_DES_CBC_SHA"},
 443     {0xFEFF, "SSL_RSA_FIPS_WITH_3DES_EDE_CBC_SHA"},
 444 };
 445
 446 /* Compression methods */
 447 static ssl_trace_tbl ssl_comp_tbl[] = {
 448     {0x0000, "No Compression"},
 449     {0x0001, "Zlib Compression"}
 450 };
 451
 452 /* Extensions */
 453 static ssl_trace_tbl ssl_exts_tbl[] = {
 454     {TLSEXT_TYPE_server_name, "server_name"},
 455     {TLSEXT_TYPE_max_fragment_length, "max_fragment_length"},
 456     {TLSEXT_TYPE_client_certificate_url, "client_certificate_url"},
 457     {TLSEXT_TYPE_trusted_ca_keys, "trusted_ca_keys"},
 458     {TLSEXT_TYPE_truncated_hmac, "truncated_hmac"},
 459     {TLSEXT_TYPE_status_request, "status_request"},
 460     {TLSEXT_TYPE_user_mapping, "user_mapping"},
 461     {TLSEXT_TYPE_client_authz, "client_authz"},
 462     {TLSEXT_TYPE_server_authz, "server_authz"},
 463     {TLSEXT_TYPE_cert_type, "cert_type"},
 464     {TLSEXT_TYPE_key_share, "key_share"},
 465     {TLSEXT_TYPE_psk, "psk"},
 466     {TLSEXT_TYPE_psk_kex_modes, "psk_key_exchange_modes"},
 467     {TLSEXT_TYPE_supported_groups, "supported_groups"},
 468     {TLSEXT_TYPE_ec_point_formats, "ec_point_formats"},
 469     {TLSEXT_TYPE_srp, "srp"},
 470     {TLSEXT_TYPE_signature_algorithms, "signature_algorithms"},
 471     {TLSEXT_TYPE_use_srtp, "use_srtp"},
 472     {TLSEXT_TYPE_session_ticket, "session_ticket"},
 473     {TLSEXT_TYPE_supported_versions, "supported_versions"},
 474     {TLSEXT_TYPE_renegotiate, "renegotiate"},
 475 # ifndef OPENSSL_NO_NEXTPROTONEG
 476     {TLSEXT_TYPE_next_proto_neg, "next_proto_neg"},
 477 # endif
 478     {TLSEXT_TYPE_application_layer_protocol_negotiation,
 479      "application_layer_protocol_negotiation"},
 480     {TLSEXT_TYPE_signed_certificate_timestamp, "signed_certificate_timestamps"},
 481     {TLSEXT_TYPE_padding, "padding"},
 482     {TLSEXT_TYPE_encrypt_then_mac, "encrypt_then_mac"},
 483     {TLSEXT_TYPE_extended_master_secret, "extended_master_secret"},
 484     {TLSEXT_TYPE_early_data, "early_data"}
 485 };
 486
 487 static ssl_trace_tbl ssl_groups_tbl[] = {
 488     {1, "sect163k1 (K-163)"},
 489     {2, "sect163r1"},
 490     {3, "sect163r2 (B-163)"},
 491     {4, "sect193r1"},
 492     {5, "sect193r2"},
 493     {6, "sect233k1 (K-233)"},
 494     {7, "sect233r1 (B-233)"},
 495     {8, "sect239k1"},
 496     {9, "sect283k1 (K-283)"},
 497     {10, "sect283r1 (B-283)"},
 498     {11, "sect409k1 (K-409)"},
 499     {12, "sect409r1 (B-409)"},
 500     {13, "sect571k1 (K-571)"},
 501     {14, "sect571r1 (B-571)"},
 502     {15, "secp160k1"},
 503     {16, "secp160r1"},
 504     {17, "secp160r2"},
 505     {18, "secp192k1"},
 506     {19, "secp192r1 (P-192)"},
 507     {20, "secp224k1"},
 508     {21, "secp224r1 (P-224)"},
 509     {22, "secp256k1"},
 510     {23, "secp256r1 (P-256)"},
 511     {24, "secp384r1 (P-384)"},
 512     {25, "secp521r1 (P-521)"},
 513     {26, "brainpoolP256r1"},
 514     {27, "brainpoolP384r1"},
 515     {28, "brainpoolP512r1"},
 516     {29, "ecdh_x25519"},
 517     {256, "ffdhe2048"},
 518     {257, "ffdhe3072"},
 519     {258, "ffdhe4096"},
 520     {259, "ffdhe6144"},
 521     {260, "ffdhe8192"},
 522     {0xFF01, "arbitrary_explicit_prime_curves"},
 523     {0xFF02, "arbitrary_explicit_char2_curves"}
 524 };
 525
 526 static ssl_trace_tbl ssl_point_tbl[] = {
 527     {0, "uncompressed"},
 528     {1, "ansiX962_compressed_prime"},
 529     {2, "ansiX962_compressed_char2"}
 530 };
 531
 532 static ssl_trace_tbl ssl_sigalg_tbl[] = {
 533     {TLSEXT_SIGALG_ecdsa_secp256r1_sha256, "ecdsa_secp256r1_sha256"},
 534     {TLSEXT_SIGALG_ecdsa_secp384r1_sha384, "ecdsa_secp384r1_sha384"},
 535     {TLSEXT_SIGALG_ecdsa_secp521r1_sha512, "ecdsa_secp521r1_sha512"},
 536     {TLSEXT_SIGALG_ecdsa_sha1, "ecdsa_sha1"},
 537     {TLSEXT_SIGALG_rsa_pss_sha256, "rsa_pss_sha256"},
 538     {TLSEXT_SIGALG_rsa_pss_sha384, "rsa_pss_sha384"},
 539     {TLSEXT_SIGALG_rsa_pss_sha512, "rsa_pss_sha512"},
 540     {TLSEXT_SIGALG_rsa_pkcs1_sha256, "rsa_pkcs1_sha256"},
 541     {TLSEXT_SIGALG_rsa_pkcs1_sha384, "rsa_pkcs1_sha384"},
 542     {TLSEXT_SIGALG_rsa_pkcs1_sha512, "rsa_pkcs1_sha512"},
 543     {TLSEXT_SIGALG_rsa_pkcs1_sha1, "rsa_pkcs1_sha1"},
 544     {TLSEXT_SIGALG_dsa_sha256, "dsa_sha256"},
 545     {TLSEXT_SIGALG_dsa_sha384, "dsa_sha384"},
 546     {TLSEXT_SIGALG_dsa_sha512, "dsa_sha512"},
 547     {TLSEXT_SIGALG_dsa_sha1, "dsa_sha1"},
 548     {TLSEXT_SIGALG_gostr34102012_256_gostr34112012_256, "gost2012_256"},
 549     {TLSEXT_SIGALG_gostr34102012_512_gostr34112012_512, "gost2012_512"},
 550     {TLSEXT_SIGALG_gostr34102001_gostr3411, "gost2001_gost94"},
 551 };
 552
 553 static ssl_trace_tbl ssl_ctype_tbl[] = {
 554     {1, "rsa_sign"},
 555     {2, "dss_sign"},
 556     {3, "rsa_fixed_dh"},
 557     {4, "dss_fixed_dh"},
 558     {5, "rsa_ephemeral_dh"},
 559     {6, "dss_ephemeral_dh"},
 560     {20, "fortezza_dms"},
 561     {64, "ecdsa_sign"},
 562     {65, "rsa_fixed_ecdh"},
 563     {66, "ecdsa_fixed_ecdh"}
 564 };
 565
 566 static ssl_trace_tbl ssl_psk_kex_modes_tbl[] = {
 567     {TLSEXT_KEX_MODE_KE, "psk_ke"},
 568     {TLSEXT_KEX_MODE_KE_DHE, "psk_dhe_ke"}
 569 };
 570
 571 static ssl_trace_tbl ssl_key_update_tbl[] = {
 572     {SSL_KEY_UPDATE_NOT_REQUESTED, "update_not_requested"},
 573     {SSL_KEY_UPDATE_REQUESTED, "update_requested"}
 574 };
 575
 576 static void ssl_print_hex(BIO *bio, int indent, const char *name,
 577                           const unsigned char *msg, size_t msglen)
 578 {
 579     size_t i;
 580
 581     BIO_indent(bio, indent, 80);
 582     BIO_printf(bio, "%s (len=%d): ", name, (int)msglen);
 583     for (i = 0; i < msglen; i++)
 584         BIO_printf(bio, "%02X", msg[i]);
 585     BIO_puts(bio, "\n");
 586 }
 587
 588 static int ssl_print_hexbuf(BIO *bio, int indent,
 589                             const char *name, size_t nlen,
 590                             const unsigned char **pmsg, size_t *pmsglen)
 591 {
 592     size_t blen;
 593     const unsigned char *p = *pmsg;
 594
 595     if (*pmsglen < nlen)
 596         return 0;
 597     blen = p[0];
 598     if (nlen > 1)
 599         blen = (blen << 8) | p[1];
 600     if (*pmsglen < nlen + blen)
 601         return 0;
 602     p += nlen;
 603     ssl_print_hex(bio, indent, name, p, blen);
 604     *pmsg += blen + nlen;
 605     *pmsglen -= blen + nlen;
 606     return 1;
 607 }
 608
 609 static int ssl_print_version(BIO *bio, int indent, const char *name,
 610                              const unsigned char **pmsg, size_t *pmsglen,
 611                              unsigned int *version)
 612 {
 613     int vers;
 614
 615     if (*pmsglen < 2)
 616         return 0;
 617     vers = ((*pmsg)[0] << 8) | (*pmsg)[1];
 618     if (version != NULL) {
 619         /* TODO(TLS1.3): Remove the draft conditional here before release */
 620         *version = (vers == TLS1_3_VERSION_DRAFT) ? TLS1_3_VERSION : vers;
 621     }
 622     BIO_indent(bio, indent, 80);
 623     BIO_printf(bio, "%s=0x%x (%s)\n",
 624                name, vers, ssl_trace_str(vers, ssl_version_tbl));
 625     *pmsg += 2;
 626     *pmsglen -= 2;
 627     return 1;
 628 }
 629
 630 static int ssl_print_random(BIO *bio, int indent,
 631                             const unsigned char **pmsg, size_t *pmsglen)
 632 {
 633     unsigned int tm;
 634     const unsigned char *p = *pmsg;
 635
 636     if (*pmsglen < 32)
 637         return 0;
 638     tm = (p[0] << 24) | (p[1] << 16) | (p[2] << 8) | p[3];
 639     p += 4;
 640     BIO_indent(bio, indent, 80);
 641     BIO_puts(bio, "Random:\n");
 642     BIO_indent(bio, indent + 2, 80);
 643     BIO_printf(bio, "gmt_unix_time=0x%08X\n", tm);
 644     ssl_print_hex(bio, indent + 2, "random_bytes", p, 28);
 645     *pmsg += 32;
 646     *pmsglen -= 32;
 647     return 1;
 648 }
 649
 650 static int ssl_print_signature(BIO *bio, int indent, SSL *s,
 651                                const unsigned char **pmsg, size_t *pmsglen)
 652 {
 653     if (*pmsglen < 2)
 654         return 0;
 655     if (SSL_USE_SIGALGS(s)) {
 656         const unsigned char *p = *pmsg;
 657         unsigned int sigalg = (p[0] << 8) | p[1];
 658
 659         BIO_indent(bio, indent, 80);
 660         BIO_printf(bio, "Signature Algorithm: %s (0x%04x)\n",
 661                    ssl_trace_str(sigalg, ssl_sigalg_tbl), sigalg);
 662         *pmsg += 2;
 663         *pmsglen -= 2;
 664     }
 665     return ssl_print_hexbuf(bio, indent, "Signature", 2, pmsg, pmsglen);
 666 }
 667
 668 static int ssl_print_extension(BIO *bio, int indent, int server,
 669                                unsigned char mt, int extype,
 670                                const unsigned char *ext, size_t extlen)
 671 {
 672     size_t xlen, share_len;
 673     unsigned int sigalg;
 674     uint32_t max_early_data;
 675
 676     BIO_indent(bio, indent, 80);
 677     BIO_printf(bio, "extension_type=%s(%d), length=%d\n",
 678                ssl_trace_str(extype, ssl_exts_tbl), extype, (int)extlen);
 679     switch (extype) {
 680     case TLSEXT_TYPE_ec_point_formats:
 681         if (extlen < 1)
 682             return 0;
 683         xlen = ext[0];
 684         if (extlen != xlen + 1)
 685             return 0;
 686         return ssl_trace_list(bio, indent + 2, ext + 1, xlen, 1, ssl_point_tbl);
 687
 688     case TLSEXT_TYPE_supported_groups:
 689         if (extlen < 2)
 690             return 0;
 691         xlen = (ext[0] << 8) | ext[1];
 692         if (extlen != xlen + 2)
 693             return 0;
 694         return ssl_trace_list(bio, indent + 2, ext + 2, xlen, 2, ssl_groups_tbl);
 695     case TLSEXT_TYPE_application_layer_protocol_negotiation:
 696         if (extlen < 2)
 697             return 0;
 698         xlen = (ext[0] << 8) | ext[1];
 699         if (extlen != xlen + 2)
 700             return 0;
 701         ext += 2;
 702         while (xlen > 0) {
 703             size_t plen = *ext++;
 704
 705             if (plen > xlen + 1)
 706                 return 0;
 707             BIO_indent(bio, indent + 2, 80);
 708             BIO_write(bio, ext, plen);
 709             BIO_puts(bio, "\n");
 710             ext += plen;
 711             xlen -= plen + 1;
 712         }
 713         return 1;
 714
 715     case TLSEXT_TYPE_signature_algorithms:
 716
 717         if (extlen < 2)
 718             return 0;
 719         xlen = (ext[0] << 8) | ext[1];
 720         if (extlen != xlen + 2)
 721             return 0;
 722         if (xlen & 1)
 723             return 0;
 724         ext += 2;
 725         while (xlen > 0) {
 726             BIO_indent(bio, indent + 2, 80);
 727             sigalg = (ext[0] << 8) | ext[1];
 728             BIO_printf(bio, "%s (0x%04x)\n",
 729                        ssl_trace_str(sigalg, ssl_sigalg_tbl), sigalg);
 730             xlen -= 2;
 731             ext += 2;
 732         }
 733         break;
 734
 735     case TLSEXT_TYPE_renegotiate:
 736         if (extlen < 1)
 737             return 0;
 738         xlen = ext[0];
 739         if (xlen + 1 != extlen)
 740             return 0;
 741         ext++;
 742         if (xlen) {
 743             if (server) {
 744                 if (xlen & 1)
 745                     return 0;
 746                 xlen >>= 1;
 747             }
 748             ssl_print_hex(bio, indent + 4, "client_verify_data", ext, xlen);
 749             if (server) {
 750                 ext += xlen;
 751                 ssl_print_hex(bio, indent + 4, "server_verify_data", ext, xlen);
 752             }
 753         } else {
 754             BIO_indent(bio, indent + 4, 80);
 755             BIO_puts(bio, "<EMPTY>\n");
 756         }
 757         break;
 758
 759     case TLSEXT_TYPE_heartbeat:
 760         return 0;
 761
 762     case TLSEXT_TYPE_session_ticket:
 763         if (extlen != 0)
 764             ssl_print_hex(bio, indent + 4, "ticket", ext, extlen);
 765         break;
 766
 767     case TLSEXT_TYPE_key_share:
 768         if (mt == SSL3_MT_HELLO_RETRY_REQUEST) {
 769             int group_id;
 770
 771             if (extlen != 2)
 772                 return 0;
 773             group_id = (ext[0] << 8) | ext[1];
 774             BIO_indent(bio, indent + 4, 80);
 775             BIO_printf(bio, "NamedGroup: %s (%d)\n",
 776                        ssl_trace_str(group_id, ssl_groups_tbl), group_id);
 777             break;
 778         }
 779         if (extlen < 2)
 780             return 0;
 781         if (server) {
 782             xlen = extlen;
 783         } else {
 784             xlen = (ext[0] << 8) | ext[1];
 785             if (extlen != xlen + 2)
 786                 return 0;
 787             ext += 2;
 788         }
 789         for (; xlen > 0; ext += share_len, xlen -= share_len) {
 790             int group_id;
 791
 792             if (xlen < 4)
 793                 return 0;
 794             group_id = (ext[0] << 8) | ext[1];
 795             share_len = (ext[2] << 8) | ext[3];
 796             ext += 4;
 797             xlen -= 4;
 798             if (xlen < share_len)
 799                 return 0;
 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             ssl_print_hex(bio, indent + 4, "key_exchange: ", ext, share_len);
 804         }
 805         break;
 806
 807     case TLSEXT_TYPE_supported_versions:
 808         if (extlen < 1)
 809             return 0;
 810         xlen = ext[0];
 811         if (extlen != xlen + 1)
 812             return 0;
 813         return ssl_trace_list(bio, indent + 2, ext + 1, xlen, 2,
 814                               ssl_version_tbl);
 815
 816     case TLSEXT_TYPE_psk_kex_modes:
 817         if (extlen < 1)
 818             return 0;
 819         xlen = ext[0];
 820         if (extlen != xlen + 1)
 821             return 0;
 822         return ssl_trace_list(bio, indent + 2, ext + 1, xlen, 1,
 823                               ssl_psk_kex_modes_tbl);
 824
 825     case TLSEXT_TYPE_early_data:
 826         if (mt != SSL3_MT_NEWSESSION_TICKET)
 827             break;
 828         if (extlen != 4)
 829             return 0;
 830         max_early_data = (ext[0] << 24) | (ext[1] << 16) | (ext[2] << 8)
 831                          | ext[3];
 832         BIO_indent(bio, indent + 2, 80);
 833         BIO_printf(bio, "max_early_data=%u\n", max_early_data);
 834         break;
 835
 836     default:
 837         BIO_dump_indent(bio, (const char *)ext, extlen, indent + 2);
 838     }
 839     return 1;
 840 }
 841
 842 static int ssl_print_extensions(BIO *bio, int indent, int server,
 843                                 unsigned char mt, const unsigned char **msgin,
 844                                 size_t *msginlen)
 845 {
 846     size_t extslen, msglen = *msginlen;
 847     const unsigned char *msg = *msgin;
 848
 849     BIO_indent(bio, indent, 80);
 850     if (msglen == 0) {
 851         BIO_puts(bio, "No Extensions\n");
 852         return 1;
 853     }
 854     extslen = (msg[0] << 8) | msg[1];
 855     if (extslen != msglen - 2)
 856         return 0;
 857     msg += 2;
 858     msglen = extslen;
 859     BIO_printf(bio, "extensions, length = %d\n", (int)msglen);
 860     while (msglen > 0) {
 861         int extype;
 862         size_t extlen;
 863         if (msglen < 4)
 864             return 0;
 865         extype = (msg[0] << 8) | msg[1];
 866         extlen = (msg[2] << 8) | msg[3];
 867         if (msglen < extlen + 4)
 868             return 0;
 869         msg += 4;
 870         if (!ssl_print_extension(bio, indent + 2, server, mt, extype, msg,
 871                                  extlen))
 872             return 0;
 873         msg += extlen;
 874         msglen -= extlen + 4;
 875     }
 876
 877     *msgin = msg;
 878     *msginlen = msglen;
 879     return 1;
 880 }
 881
 882 static int ssl_print_client_hello(BIO *bio, SSL *ssl, int indent,
 883                                   const unsigned char *msg, size_t msglen)
 884 {
 885     size_t len;
 886     unsigned int cs;
 887
 888     if (!ssl_print_version(bio, indent, "client_version", &msg, &msglen, NULL))
 889         return 0;
 890     if (!ssl_print_random(bio, indent, &msg, &msglen))
 891         return 0;
 892     if (!ssl_print_hexbuf(bio, indent, "session_id", 1, &msg, &msglen))
 893         return 0;
 894     if (SSL_IS_DTLS(ssl)) {
 895         if (!ssl_print_hexbuf(bio, indent, "cookie", 1, &msg, &msglen))
 896             return 0;
 897     }
 898     if (msglen < 2)
 899         return 0;
 900     len = (msg[0] << 8) | msg[1];
 901     msg += 2;
 902     msglen -= 2;
 903     BIO_indent(bio, indent, 80);
 904     BIO_printf(bio, "cipher_suites (len=%d)\n", (int)len);
 905     if (msglen < len || len & 1)
 906         return 0;
 907     while (len > 0) {
 908         cs = (msg[0] << 8) | msg[1];
 909         BIO_indent(bio, indent + 2, 80);
 910         BIO_printf(bio, "{0x%02X, 0x%02X} %s\n",
 911                    msg[0], msg[1], ssl_trace_str(cs, ssl_ciphers_tbl));
 912         msg += 2;
 913         msglen -= 2;
 914         len -= 2;
 915     }
 916     if (msglen < 1)
 917         return 0;
 918     len = msg[0];
 919     msg++;
 920     msglen--;
 921     if (msglen < len)
 922         return 0;
 923     BIO_indent(bio, indent, 80);
 924     BIO_printf(bio, "compression_methods (len=%d)\n", (int)len);
 925     while (len > 0) {
 926         BIO_indent(bio, indent + 2, 80);
 927         BIO_printf(bio, "%s (0x%02X)\n",
 928                    ssl_trace_str(msg[0], ssl_comp_tbl), msg[0]);
 929         msg++;
 930         msglen--;
 931         len--;
 932     }
 933     if (!ssl_print_extensions(bio, indent, 0, SSL3_MT_CLIENT_HELLO, &msg,
 934                               &msglen))
 935         return 0;
 936     return 1;
 937 }
 938
 939 static int dtls_print_hello_vfyrequest(BIO *bio, int indent,
 940                                        const unsigned char *msg, size_t msglen)
 941 {
 942     if (!ssl_print_version(bio, indent, "server_version", &msg, &msglen, NULL))
 943         return 0;
 944     if (!ssl_print_hexbuf(bio, indent, "cookie", 1, &msg, &msglen))
 945         return 0;
 946     return 1;
 947 }
 948
 949 static int ssl_print_server_hello(BIO *bio, int indent,
 950                                   const unsigned char *msg, size_t msglen)
 951 {
 952     unsigned int cs;
 953     unsigned int vers;
 954
 955     if (!ssl_print_version(bio, indent, "server_version", &msg, &msglen, &vers))
 956         return 0;
 957     if (!ssl_print_random(bio, indent, &msg, &msglen))
 958         return 0;
 959     if (vers != TLS1_3_VERSION
 960             && !ssl_print_hexbuf(bio, indent, "session_id", 1, &msg, &msglen))
 961         return 0;
 962     if (msglen < 2)
 963         return 0;
 964     cs = (msg[0] << 8) | msg[1];
 965     BIO_indent(bio, indent, 80);
 966     BIO_printf(bio, "cipher_suite {0x%02X, 0x%02X} %s\n",
 967                msg[0], msg[1], ssl_trace_str(cs, ssl_ciphers_tbl));
 968     msg += 2;
 969     msglen -= 2;
 970     if (vers != TLS1_3_VERSION) {
 971         if (msglen < 1)
 972             return 0;
 973         BIO_indent(bio, indent, 80);
 974         BIO_printf(bio, "compression_method: %s (0x%02X)\n",
 975                    ssl_trace_str(msg[0], ssl_comp_tbl), msg[0]);
 976         msg++;
 977         msglen--;
 978     }
 979     if (!ssl_print_extensions(bio, indent, 1, SSL3_MT_SERVER_HELLO, &msg,
 980                               &msglen))
 981         return 0;
 982     return 1;
 983 }
 984
 985 static int ssl_print_hello_retry_request(BIO *bio, int indent,
 986                                          const unsigned char *msg,
 987                                          size_t msglen)
 988 {
 989     unsigned int cs;
 990
 991     if (!ssl_print_version(bio, indent, "server_version", &msg, &msglen, NULL))
 992         return 0;
 993
 994     cs = (msg[0] << 8) | msg[1];
 995     BIO_indent(bio, indent, 80);
 996     BIO_printf(bio, "cipher_suite {0x%02X, 0x%02X} %s\n",
 997                msg[0], msg[1], ssl_trace_str(cs, ssl_ciphers_tbl));
 998     msg += 2;
 999     msglen -= 2;
1000
1001     if (!ssl_print_extensions(bio, indent, 1, SSL3_MT_HELLO_RETRY_REQUEST, &msg,
1002                               &msglen))
1003         return 0;
1004
1005     return 1;
1006 }
1007
1008 static int ssl_get_keyex(const char **pname, SSL *ssl)
1009 {
1010     unsigned long alg_k = ssl->s3->tmp.new_cipher->algorithm_mkey;
1011
1012     if (alg_k & SSL_kRSA) {
1013         *pname = "rsa";
1014         return SSL_kRSA;
1015     }
1016     if (alg_k & SSL_kDHE) {
1017         *pname = "DHE";
1018         return SSL_kDHE;
1019     }
1020     if (alg_k & SSL_kECDHE) {
1021         *pname = "ECDHE";
1022         return SSL_kECDHE;
1023     }
1024     if (alg_k & SSL_kPSK) {
1025         *pname = "PSK";
1026         return SSL_kPSK;
1027     }
1028     if (alg_k & SSL_kRSAPSK) {
1029         *pname = "RSAPSK";
1030         return SSL_kRSAPSK;
1031     }
1032     if (alg_k & SSL_kDHEPSK) {
1033         *pname = "DHEPSK";
1034         return SSL_kDHEPSK;
1035     }
1036     if (alg_k & SSL_kECDHEPSK) {
1037         *pname = "ECDHEPSK";
1038         return SSL_kECDHEPSK;
1039     }
1040     if (alg_k & SSL_kSRP) {
1041         *pname = "SRP";
1042         return SSL_kSRP;
1043     }
1044     if (alg_k & SSL_kGOST) {
1045         *pname = "GOST";
1046         return SSL_kGOST;
1047     }
1048     *pname = "UNKNOWN";
1049     return 0;
1050 }
1051
1052 static int ssl_print_client_keyex(BIO *bio, int indent, SSL *ssl,
1053                                   const unsigned char *msg, size_t msglen)
1054 {
1055     const char *algname;
1056     int id = ssl_get_keyex(&algname, ssl);
1057
1058     BIO_indent(bio, indent, 80);
1059     BIO_printf(bio, "KeyExchangeAlgorithm=%s\n", algname);
1060     if (id & SSL_PSK) {
1061         if (!ssl_print_hexbuf(bio, indent + 2,
1062                               "psk_identity", 2, &msg, &msglen))
1063             return 0;
1064     }
1065     switch (id) {
1066
1067     case SSL_kRSA:
1068     case SSL_kRSAPSK:
1069         if (TLS1_get_version(ssl) == SSL3_VERSION) {
1070             ssl_print_hex(bio, indent + 2,
1071                           "EncyptedPreMasterSecret", msg, msglen);
1072         } else {
1073             if (!ssl_print_hexbuf(bio, indent + 2,
1074                                   "EncyptedPreMasterSecret", 2, &msg, &msglen))
1075                 return 0;
1076         }
1077         break;
1078
1079     case SSL_kDHE:
1080     case SSL_kDHEPSK:
1081         if (!ssl_print_hexbuf(bio, indent + 2, "dh_Yc", 2, &msg, &msglen))
1082             return 0;
1083         break;
1084
1085     case SSL_kECDHE:
1086     case SSL_kECDHEPSK:
1087         if (!ssl_print_hexbuf(bio, indent + 2, "ecdh_Yc", 1, &msg, &msglen))
1088             return 0;
1089         break;
1090
1091     }
1092
1093     return !msglen;
1094 }
1095
1096 static int ssl_print_server_keyex(BIO *bio, int indent, SSL *ssl,
1097                                   const unsigned char *msg, size_t msglen)
1098 {
1099     const char *algname;
1100     int id = ssl_get_keyex(&algname, ssl);
1101
1102     BIO_indent(bio, indent, 80);
1103     BIO_printf(bio, "KeyExchangeAlgorithm=%s\n", algname);
1104     if (id & SSL_PSK) {
1105         if (!ssl_print_hexbuf(bio, indent + 2,
1106                               "psk_identity_hint", 2, &msg, &msglen))
1107             return 0;
1108     }
1109     switch (id) {
1110     case SSL_kRSA:
1111
1112         if (!ssl_print_hexbuf(bio, indent + 2, "rsa_modulus", 2, &msg, &msglen))
1113             return 0;
1114         if (!ssl_print_hexbuf(bio, indent + 2, "rsa_exponent", 2,
1115                               &msg, &msglen))
1116             return 0;
1117         break;
1118
1119     case SSL_kDHE:
1120     case SSL_kDHEPSK:
1121         if (!ssl_print_hexbuf(bio, indent + 2, "dh_p", 2, &msg, &msglen))
1122             return 0;
1123         if (!ssl_print_hexbuf(bio, indent + 2, "dh_g", 2, &msg, &msglen))
1124             return 0;
1125         if (!ssl_print_hexbuf(bio, indent + 2, "dh_Ys", 2, &msg, &msglen))
1126             return 0;
1127         break;
1128
1129 # ifndef OPENSSL_NO_EC
1130     case SSL_kECDHE:
1131     case SSL_kECDHEPSK:
1132         if (msglen < 1)
1133             return 0;
1134         BIO_indent(bio, indent + 2, 80);
1135         if (msg[0] == EXPLICIT_PRIME_CURVE_TYPE)
1136             BIO_puts(bio, "explicit_prime\n");
1137         else if (msg[0] == EXPLICIT_CHAR2_CURVE_TYPE)
1138             BIO_puts(bio, "explicit_char2\n");
1139         else if (msg[0] == NAMED_CURVE_TYPE) {
1140             int curve;
1141             if (msglen < 3)
1142                 return 0;
1143             curve = (msg[1] << 8) | msg[2];
1144             BIO_printf(bio, "named_curve: %s (%d)\n",
1145                        ssl_trace_str(curve, ssl_groups_tbl), curve);
1146             msg += 3;
1147             msglen -= 3;
1148             if (!ssl_print_hexbuf(bio, indent + 2, "point", 1, &msg, &msglen))
1149                 return 0;
1150         } else {
1151             BIO_printf(bio, "UNKNOWN CURVE PARAMETER TYPE %d\n", msg[0]);
1152             return 0;
1153         }
1154         break;
1155 # endif
1156
1157     case SSL_kPSK:
1158     case SSL_kRSAPSK:
1159         break;
1160     }
1161     if (!(id & SSL_PSK))
1162         ssl_print_signature(bio, indent, ssl, &msg, &msglen);
1163     return !msglen;
1164 }
1165
1166 static int ssl_print_certificate(BIO *bio, int indent,
1167                                  const unsigned char **pmsg, size_t *pmsglen)
1168 {
1169     size_t msglen = *pmsglen;
1170     size_t clen;
1171     X509 *x;
1172     const unsigned char *p = *pmsg, *q;
1173
1174     if (msglen < 3)
1175         return 0;
1176     clen = (p[0] << 16) | (p[1] << 8) | p[2];
1177     if (msglen < clen + 3)
1178         return 0;
1179     q = p + 3;
1180     BIO_indent(bio, indent, 80);
1181     BIO_printf(bio, "ASN.1Cert, length=%d", (int)clen);
1182     x = d2i_X509(NULL, &q, clen);
1183     if (!x)
1184         BIO_puts(bio, "<UNPARSEABLE CERTIFICATE>\n");
1185     else {
1186         BIO_puts(bio, "\n------details-----\n");
1187         X509_print_ex(bio, x, XN_FLAG_ONELINE, 0);
1188         PEM_write_bio_X509(bio, x);
1189         /* Print certificate stuff */
1190         BIO_puts(bio, "------------------\n");
1191         X509_free(x);
1192     }
1193     if (q != p + 3 + clen) {
1194         BIO_puts(bio, "<TRAILING GARBAGE AFTER CERTIFICATE>\n");
1195     }
1196     *pmsg += clen + 3;
1197     *pmsglen -= clen + 3;
1198     return 1;
1199 }
1200
1201 static int ssl_print_certificates(BIO *bio, SSL *s, int server, int indent,
1202                                   const unsigned char *msg, size_t msglen)
1203 {
1204     size_t clen;
1205
1206     if (SSL_IS_TLS13(s)
1207             && !ssl_print_hexbuf(bio, indent, "context", 1, &msg, &msglen))
1208         return 0;
1209
1210     if (msglen < 3)
1211         return 0;
1212     clen = (msg[0] << 16) | (msg[1] << 8) | msg[2];
1213     if (msglen != clen + 3)
1214         return 0;
1215     msg += 3;
1216     BIO_indent(bio, indent, 80);
1217     BIO_printf(bio, "certificate_list, length=%d\n", (int)clen);
1218     while (clen > 0) {
1219         if (!ssl_print_certificate(bio, indent + 2, &msg, &clen))
1220             return 0;
1221         if (!ssl_print_extensions(bio, indent + 2, server, SSL3_MT_CERTIFICATE,
1222                                   &msg, &clen))
1223             return 0;
1224
1225     }
1226     return 1;
1227 }
1228
1229 static int ssl_print_cert_request(BIO *bio, int indent, SSL *s,
1230                                   const unsigned char *msg, size_t msglen)
1231 {
1232     size_t xlen;
1233     unsigned int sigalg;
1234
1235     if (SSL_IS_TLS13(s)) {
1236         if (!ssl_print_hexbuf(bio, indent, "request_context", 1, &msg, &msglen))
1237             return 0;
1238     } else {
1239         if (msglen < 1)
1240             return 0;
1241         xlen = msg[0];
1242         if (msglen < xlen + 1)
1243             return 0;
1244         msg++;
1245         BIO_indent(bio, indent, 80);
1246         BIO_printf(bio, "certificate_types (len=%d)\n", (int)xlen);
1247         if (!ssl_trace_list(bio, indent + 2, msg, xlen, 1, ssl_ctype_tbl))
1248             return 0;
1249         msg += xlen;
1250         msglen -= xlen + 1;
1251     }
1252     if (SSL_USE_SIGALGS(s)) {
1253         if (msglen < 2)
1254             return 0;
1255         xlen = (msg[0] << 8) | msg[1];
1256         if (msglen < xlen + 2 || (xlen & 1))
1257             return 0;
1258         msg += 2;
1259         msglen -= xlen + 2;
1260         BIO_indent(bio, indent, 80);
1261         BIO_printf(bio, "signature_algorithms (len=%d)\n", (int)xlen);
1262         while (xlen > 0) {
1263             BIO_indent(bio, indent + 2, 80);
1264             sigalg = (msg[0] << 8) | msg[1];
1265             BIO_printf(bio, "%s (0x%04x)\n",
1266                        ssl_trace_str(sigalg, ssl_sigalg_tbl), sigalg);
1267             xlen -= 2;
1268             msg += 2;
1269         }
1270         msg += xlen;
1271     }
1272
1273     xlen = (msg[0] << 8) | msg[1];
1274     BIO_indent(bio, indent, 80);
1275     if (msglen < xlen + 2)
1276         return 0;
1277     msg += 2;
1278     msglen -= 2 + xlen;
1279     BIO_printf(bio, "certificate_authorities (len=%d)\n", (int)xlen);
1280     while (xlen > 0) {
1281         size_t dlen;
1282         X509_NAME *nm;
1283         const unsigned char *p;
1284         if (xlen < 2)
1285             return 0;
1286         dlen = (msg[0] << 8) | msg[1];
1287         if (xlen < dlen + 2)
1288             return 0;
1289         msg += 2;
1290         BIO_indent(bio, indent + 2, 80);
1291         BIO_printf(bio, "DistinguishedName (len=%d): ", (int)dlen);
1292         p = msg;
1293         nm = d2i_X509_NAME(NULL, &p, dlen);
1294         if (!nm) {
1295             BIO_puts(bio, "<UNPARSEABLE DN>\n");
1296         } else {
1297             X509_NAME_print_ex(bio, nm, 0, XN_FLAG_ONELINE);
1298             BIO_puts(bio, "\n");
1299             X509_NAME_free(nm);
1300         }
1301         xlen -= dlen + 2;
1302         msg += dlen;
1303     }
1304     if (SSL_IS_TLS13(s)) {
1305          if (!ssl_print_hexbuf(bio, indent, "request_extensions", 2,
1306                                &msg, &msglen))
1307         return 0;
1308     }
1309     return msglen == 0;
1310 }
1311
1312 static int ssl_print_ticket(BIO *bio, int indent, SSL *s,
1313                             const unsigned char *msg, size_t msglen)
1314 {
1315     unsigned int tick_life;
1316
1317     if (msglen == 0) {
1318         BIO_indent(bio, indent + 2, 80);
1319         BIO_puts(bio, "No Ticket\n");
1320         return 1;
1321     }
1322     if (msglen < 4)
1323         return 0;
1324     tick_life = (msg[0] << 24) | (msg[1] << 16) | (msg[2] << 8) | msg[3];
1325     msglen -= 4;
1326     msg += 4;
1327     BIO_indent(bio, indent + 2, 80);
1328     BIO_printf(bio, "ticket_lifetime_hint=%u\n", tick_life);
1329     if (SSL_IS_TLS13(s)) {
1330         unsigned int ticket_age_add;
1331
1332         if (msglen < 4)
1333             return 0;
1334         ticket_age_add = (msg[0] << 24) | (msg[1] << 16) | (msg[2] << 8)
1335                           | msg[3];
1336         msglen -= 4;
1337         msg += 4;
1338         BIO_indent(bio, indent + 2, 80);
1339         BIO_printf(bio, "ticket_age_add=%u\n", ticket_age_add);
1340     }
1341     if (!ssl_print_hexbuf(bio, indent + 2, "ticket", 2, &msg, &msglen))
1342         return 0;
1343     if (SSL_IS_TLS13(s) && !ssl_print_extensions(bio, indent + 2, 0,
1344                                                  SSL3_MT_NEWSESSION_TICKET,
1345                                                  &msg, &msglen))
1346         return 0;
1347     if (msglen)
1348         return 0;
1349     return 1;
1350 }
1351
1352 static int ssl_print_handshake(BIO *bio, SSL *ssl, int server,
1353                                const unsigned char *msg, size_t msglen,
1354                                int indent)
1355 {
1356     size_t hlen;
1357     unsigned char htype;
1358
1359     if (msglen < 4)
1360         return 0;
1361     htype = msg[0];
1362     hlen = (msg[1] << 16) | (msg[2] << 8) | msg[3];
1363     BIO_indent(bio, indent, 80);
1364     BIO_printf(bio, "%s, Length=%d\n",
1365                ssl_trace_str(htype, ssl_handshake_tbl), (int)hlen);
1366     msg += 4;
1367     msglen -= 4;
1368     if (SSL_IS_DTLS(ssl)) {
1369         if (msglen < 8)
1370             return 0;
1371         BIO_indent(bio, indent, 80);
1372         BIO_printf(bio, "message_seq=%d, fragment_offset=%d, "
1373                    "fragment_length=%d\n",
1374                    (msg[0] << 8) | msg[1],
1375                    (msg[2] << 16) | (msg[3] << 8) | msg[4],
1376                    (msg[5] << 16) | (msg[6] << 8) | msg[7]);
1377         msg += 8;
1378         msglen -= 8;
1379     }
1380     if (msglen < hlen)
1381         return 0;
1382     switch (htype) {
1383     case SSL3_MT_CLIENT_HELLO:
1384         if (!ssl_print_client_hello(bio, ssl, indent + 2, msg, msglen))
1385             return 0;
1386         break;
1387
1388     case DTLS1_MT_HELLO_VERIFY_REQUEST:
1389         if (!dtls_print_hello_vfyrequest(bio, indent + 2, msg, msglen))
1390             return 0;
1391         break;
1392
1393     case SSL3_MT_SERVER_HELLO:
1394         if (!ssl_print_server_hello(bio, indent + 2, msg, msglen))
1395             return 0;
1396         break;
1397
1398     case SSL3_MT_SERVER_KEY_EXCHANGE:
1399         if (!ssl_print_server_keyex(bio, indent + 2, ssl, msg, msglen))
1400             return 0;
1401         break;
1402
1403     case SSL3_MT_CLIENT_KEY_EXCHANGE:
1404         if (!ssl_print_client_keyex(bio, indent + 2, ssl, msg, msglen))
1405             return 0;
1406         break;
1407
1408     case SSL3_MT_CERTIFICATE:
1409         if (!ssl_print_certificates(bio, ssl, server, indent + 2, msg, msglen))
1410             return 0;
1411         break;
1412
1413     case SSL3_MT_CERTIFICATE_VERIFY:
1414         if (!ssl_print_signature(bio, indent + 2, ssl, &msg, &msglen))
1415             return 0;
1416         break;
1417
1418     case SSL3_MT_CERTIFICATE_REQUEST:
1419         if (!ssl_print_cert_request(bio, indent + 2, ssl, msg, msglen))
1420             return 0;
1421         break;
1422
1423     case SSL3_MT_FINISHED:
1424         ssl_print_hex(bio, indent + 2, "verify_data", msg, msglen);
1425         break;
1426
1427     case SSL3_MT_SERVER_DONE:
1428         if (msglen != 0)
1429             ssl_print_hex(bio, indent + 2, "unexpected value", msg, msglen);
1430         break;
1431
1432     case SSL3_MT_NEWSESSION_TICKET:
1433         if (!ssl_print_ticket(bio, indent + 2, ssl, msg, msglen))
1434             return 0;
1435         break;
1436
1437     case SSL3_MT_HELLO_RETRY_REQUEST:
1438         if (!ssl_print_hello_retry_request(bio, indent + 2, msg, msglen))
1439             return 0;
1440         break;
1441
1442     case SSL3_MT_ENCRYPTED_EXTENSIONS:
1443         if (!ssl_print_extensions(bio, indent + 2, 1,
1444                                   SSL3_MT_ENCRYPTED_EXTENSIONS, &msg, &msglen))
1445             return 0;
1446         break;
1447
1448     case SSL3_MT_KEY_UPDATE:
1449         if (msglen != 1) {
1450             ssl_print_hex(bio, indent + 2, "unexpected value", msg, msglen);
1451             return 0;
1452         }
1453         if (!ssl_trace_list(bio, indent + 2, msg, msglen, 1,
1454                             ssl_key_update_tbl))
1455             return 0;
1456         break;
1457
1458     default:
1459         BIO_indent(bio, indent + 2, 80);
1460         BIO_puts(bio, "Unsupported, hex dump follows:\n");
1461         BIO_dump_indent(bio, (const char *)msg, msglen, indent + 4);
1462     }
1463     return 1;
1464 }
1465
1466 const char *SSL_CIPHER_standard_name(const SSL_CIPHER *c)
1467 {
1468     return ssl_trace_str(c->id & 0xFFFF, ssl_ciphers_tbl);
1469 }
1470
1471 void SSL_trace(int write_p, int version, int content_type,
1472                const void *buf, size_t msglen, SSL *ssl, void *arg)
1473 {
1474     const unsigned char *msg = buf;
1475     BIO *bio = arg;
1476
1477     switch (content_type) {
1478     case SSL3_RT_HEADER:
1479         {
1480             int hvers = msg[1] << 8 | msg[2];
1481             BIO_puts(bio, write_p ? "Sent" : "Received");
1482             BIO_printf(bio, " Record\nHeader:\n  Version = %s (0x%x)\n",
1483                        ssl_trace_str(hvers, ssl_version_tbl), hvers);
1484             if (SSL_IS_DTLS(ssl)) {
1485                 BIO_printf(bio,
1486                            "  epoch=%d, sequence_number=%04x%04x%04x\n",
1487                            (msg[3] << 8 | msg[4]),
1488                            (msg[5] << 8 | msg[6]),
1489                            (msg[7] << 8 | msg[8]), (msg[9] << 8 | msg[10]));
1490             }
1491
1492             BIO_printf(bio, "  Content Type = %s (%d)\n  Length = %d",
1493                        ssl_trace_str(msg[0], ssl_content_tbl), msg[0],
1494                        msg[msglen - 2] << 8 | msg[msglen - 1]);
1495         }
1496         break;
1497
1498     case SSL3_RT_INNER_CONTENT_TYPE:
1499         BIO_printf(bio, "  Inner Content Type = %s (%d)",
1500                    ssl_trace_str(msg[0], ssl_content_tbl), msg[0]);
1501         break;
1502
1503     case SSL3_RT_HANDSHAKE:
1504         if (!ssl_print_handshake(bio, ssl, ssl->server ? write_p : !write_p,
1505                                  msg, msglen, 4))
1506             BIO_printf(bio, "Message length parse error!\n");
1507         break;
1508
1509     case SSL3_RT_CHANGE_CIPHER_SPEC:
1510         if (msglen == 1 && msg[0] == 1)
1511             BIO_puts(bio, "    change_cipher_spec (1)\n");
1512         else
1513             ssl_print_hex(bio, 4, "unknown value", msg, msglen);
1514         break;
1515
1516     case SSL3_RT_ALERT:
1517         if (msglen != 2)
1518             BIO_puts(bio, "    Illegal Alert Length\n");
1519         else {
1520             BIO_printf(bio, "    Level=%s(%d), description=%s(%d)\n",
1521                        SSL_alert_type_string_long(msg[0] << 8),
1522                        msg[0], SSL_alert_desc_string_long(msg[1]), msg[1]);
1523         }
1524
1525     }
1526
1527     BIO_puts(bio, "\n");
1528 }
1529
1530 #endif