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      1 /*
      2  * Copyright 2012-2020 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_local.h"
     11 
     12 #ifndef OPENSSL_NO_SSL_TRACE
     13 
     14 /* Packet trace support for OpenSSL */
     15 
     16 typedef struct {
     17     int num;
     18     const char *name;
     19 } ssl_trace_tbl;
     20 
     21 # define ssl_trace_str(val, tbl) \
     22     do_ssl_trace_str(val, tbl, OSSL_NELEM(tbl))
     23 
     24 # define ssl_trace_list(bio, indent, msg, msglen, value, table) \
     25     do_ssl_trace_list(bio, indent, msg, msglen, value, \
     26                       table, OSSL_NELEM(table))
     27 
     28 static const char *do_ssl_trace_str(int val, const ssl_trace_tbl *tbl,
     29                                     size_t ntbl)
     30 {
     31     size_t i;
     32 
     33     for (i = 0; i < ntbl; i++, tbl++) {
     34         if (tbl->num == val)
     35             return tbl->name;
     36     }
     37     return "UNKNOWN";
     38 }
     39 
     40 static int do_ssl_trace_list(BIO *bio, int indent,
     41                              const unsigned char *msg, size_t msglen,
     42                              size_t vlen, const ssl_trace_tbl *tbl, size_t ntbl)
     43 {
     44     int val;
     45 
     46     if (msglen % vlen)
     47         return 0;
     48     while (msglen) {
     49         val = msg[0];
     50         if (vlen == 2)
     51             val = (val << 8) | msg[1];
     52         BIO_indent(bio, indent, 80);
     53         BIO_printf(bio, "%s (%d)\n", do_ssl_trace_str(val, tbl, ntbl), val);
     54         msg += vlen;
     55         msglen -= vlen;
     56     }
     57     return 1;
     58 }
     59 
     60 /* Version number */
     61 
     62 static const ssl_trace_tbl ssl_version_tbl[] = {
     63     {SSL3_VERSION, "SSL 3.0"},
     64     {TLS1_VERSION, "TLS 1.0"},
     65     {TLS1_1_VERSION, "TLS 1.1"},
     66     {TLS1_2_VERSION, "TLS 1.2"},
     67     {TLS1_3_VERSION, "TLS 1.3"},
     68     {DTLS1_VERSION, "DTLS 1.0"},
     69     {DTLS1_2_VERSION, "DTLS 1.2"},
     70     {DTLS1_BAD_VER, "DTLS 1.0 (bad)"}
     71 };
     72 
     73 static const ssl_trace_tbl ssl_content_tbl[] = {
     74     {SSL3_RT_CHANGE_CIPHER_SPEC, "ChangeCipherSpec"},
     75     {SSL3_RT_ALERT, "Alert"},
     76     {SSL3_RT_HANDSHAKE, "Handshake"},
     77     {SSL3_RT_APPLICATION_DATA, "ApplicationData"},
     78 };
     79 
     80 /* Handshake types, sorted by ascending id  */
     81 static const ssl_trace_tbl ssl_handshake_tbl[] = {
     82     {SSL3_MT_HELLO_REQUEST, "HelloRequest"},
     83     {SSL3_MT_CLIENT_HELLO, "ClientHello"},
     84     {SSL3_MT_SERVER_HELLO, "ServerHello"},
     85     {DTLS1_MT_HELLO_VERIFY_REQUEST, "HelloVerifyRequest"},
     86     {SSL3_MT_NEWSESSION_TICKET, "NewSessionTicket"},
     87     {SSL3_MT_END_OF_EARLY_DATA, "EndOfEarlyData"},
     88     {SSL3_MT_ENCRYPTED_EXTENSIONS, "EncryptedExtensions"},
     89     {SSL3_MT_CERTIFICATE, "Certificate"},
     90     {SSL3_MT_SERVER_KEY_EXCHANGE, "ServerKeyExchange"},
     91     {SSL3_MT_CERTIFICATE_REQUEST, "CertificateRequest"},
     92     {SSL3_MT_SERVER_DONE, "ServerHelloDone"},
     93     {SSL3_MT_CERTIFICATE_VERIFY, "CertificateVerify"},
     94     {SSL3_MT_CLIENT_KEY_EXCHANGE, "ClientKeyExchange"},
     95     {SSL3_MT_FINISHED, "Finished"},
     96     {SSL3_MT_CERTIFICATE_URL, "CertificateUrl"},
     97     {SSL3_MT_CERTIFICATE_STATUS, "CertificateStatus"},
     98     {SSL3_MT_SUPPLEMENTAL_DATA, "SupplementalData"},
     99     {SSL3_MT_KEY_UPDATE, "KeyUpdate"},
    100 # ifndef OPENSSL_NO_NEXTPROTONEG
    101     {SSL3_MT_NEXT_PROTO, "NextProto"},
    102 # endif
    103     {SSL3_MT_MESSAGE_HASH, "MessageHash"}
    104 };
    105 
    106 /* Cipher suites */
    107 static const ssl_trace_tbl ssl_ciphers_tbl[] = {
    108     {0x0000, "TLS_NULL_WITH_NULL_NULL"},
    109     {0x0001, "TLS_RSA_WITH_NULL_MD5"},
    110     {0x0002, "TLS_RSA_WITH_NULL_SHA"},
    111     {0x0003, "TLS_RSA_EXPORT_WITH_RC4_40_MD5"},
    112     {0x0004, "TLS_RSA_WITH_RC4_128_MD5"},
    113     {0x0005, "TLS_RSA_WITH_RC4_128_SHA"},
    114     {0x0006, "TLS_RSA_EXPORT_WITH_RC2_CBC_40_MD5"},
    115     {0x0007, "TLS_RSA_WITH_IDEA_CBC_SHA"},
    116     {0x0008, "TLS_RSA_EXPORT_WITH_DES40_CBC_SHA"},
    117     {0x0009, "TLS_RSA_WITH_DES_CBC_SHA"},
    118     {0x000A, "TLS_RSA_WITH_3DES_EDE_CBC_SHA"},
    119     {0x000B, "TLS_DH_DSS_EXPORT_WITH_DES40_CBC_SHA"},
    120     {0x000C, "TLS_DH_DSS_WITH_DES_CBC_SHA"},
    121     {0x000D, "TLS_DH_DSS_WITH_3DES_EDE_CBC_SHA"},
    122     {0x000E, "TLS_DH_RSA_EXPORT_WITH_DES40_CBC_SHA"},
    123     {0x000F, "TLS_DH_RSA_WITH_DES_CBC_SHA"},
    124     {0x0010, "TLS_DH_RSA_WITH_3DES_EDE_CBC_SHA"},
    125     {0x0011, "TLS_DHE_DSS_EXPORT_WITH_DES40_CBC_SHA"},
    126     {0x0012, "TLS_DHE_DSS_WITH_DES_CBC_SHA"},
    127     {0x0013, "TLS_DHE_DSS_WITH_3DES_EDE_CBC_SHA"},
    128     {0x0014, "TLS_DHE_RSA_EXPORT_WITH_DES40_CBC_SHA"},
    129     {0x0015, "TLS_DHE_RSA_WITH_DES_CBC_SHA"},
    130     {0x0016, "TLS_DHE_RSA_WITH_3DES_EDE_CBC_SHA"},
    131     {0x0017, "TLS_DH_anon_EXPORT_WITH_RC4_40_MD5"},
    132     {0x0018, "TLS_DH_anon_WITH_RC4_128_MD5"},
    133     {0x0019, "TLS_DH_anon_EXPORT_WITH_DES40_CBC_SHA"},
    134     {0x001A, "TLS_DH_anon_WITH_DES_CBC_SHA"},
    135     {0x001B, "TLS_DH_anon_WITH_3DES_EDE_CBC_SHA"},
    136     {0x001D, "SSL_FORTEZZA_KEA_WITH_FORTEZZA_CBC_SHA"},
    137     {0x001E, "SSL_FORTEZZA_KEA_WITH_RC4_128_SHA"},
    138     {0x001F, "TLS_KRB5_WITH_3DES_EDE_CBC_SHA"},
    139     {0x0020, "TLS_KRB5_WITH_RC4_128_SHA"},
    140     {0x0021, "TLS_KRB5_WITH_IDEA_CBC_SHA"},
    141     {0x0022, "TLS_KRB5_WITH_DES_CBC_MD5"},
    142     {0x0023, "TLS_KRB5_WITH_3DES_EDE_CBC_MD5"},
    143     {0x0024, "TLS_KRB5_WITH_RC4_128_MD5"},
    144     {0x0025, "TLS_KRB5_WITH_IDEA_CBC_MD5"},
    145     {0x0026, "TLS_KRB5_EXPORT_WITH_DES_CBC_40_SHA"},
    146     {0x0027, "TLS_KRB5_EXPORT_WITH_RC2_CBC_40_SHA"},
    147     {0x0028, "TLS_KRB5_EXPORT_WITH_RC4_40_SHA"},
    148     {0x0029, "TLS_KRB5_EXPORT_WITH_DES_CBC_40_MD5"},
    149     {0x002A, "TLS_KRB5_EXPORT_WITH_RC2_CBC_40_MD5"},
    150     {0x002B, "TLS_KRB5_EXPORT_WITH_RC4_40_MD5"},
    151     {0x002C, "TLS_PSK_WITH_NULL_SHA"},
    152     {0x002D, "TLS_DHE_PSK_WITH_NULL_SHA"},
    153     {0x002E, "TLS_RSA_PSK_WITH_NULL_SHA"},
    154     {0x002F, "TLS_RSA_WITH_AES_128_CBC_SHA"},
    155     {0x0030, "TLS_DH_DSS_WITH_AES_128_CBC_SHA"},
    156     {0x0031, "TLS_DH_RSA_WITH_AES_128_CBC_SHA"},
    157     {0x0032, "TLS_DHE_DSS_WITH_AES_128_CBC_SHA"},
    158     {0x0033, "TLS_DHE_RSA_WITH_AES_128_CBC_SHA"},
    159     {0x0034, "TLS_DH_anon_WITH_AES_128_CBC_SHA"},
    160     {0x0035, "TLS_RSA_WITH_AES_256_CBC_SHA"},
    161     {0x0036, "TLS_DH_DSS_WITH_AES_256_CBC_SHA"},
    162     {0x0037, "TLS_DH_RSA_WITH_AES_256_CBC_SHA"},
    163     {0x0038, "TLS_DHE_DSS_WITH_AES_256_CBC_SHA"},
    164     {0x0039, "TLS_DHE_RSA_WITH_AES_256_CBC_SHA"},
    165     {0x003A, "TLS_DH_anon_WITH_AES_256_CBC_SHA"},
    166     {0x003B, "TLS_RSA_WITH_NULL_SHA256"},
    167     {0x003C, "TLS_RSA_WITH_AES_128_CBC_SHA256"},
    168     {0x003D, "TLS_RSA_WITH_AES_256_CBC_SHA256"},
    169     {0x003E, "TLS_DH_DSS_WITH_AES_128_CBC_SHA256"},
    170     {0x003F, "TLS_DH_RSA_WITH_AES_128_CBC_SHA256"},
    171     {0x0040, "TLS_DHE_DSS_WITH_AES_128_CBC_SHA256"},
    172     {0x0041, "TLS_RSA_WITH_CAMELLIA_128_CBC_SHA"},
    173     {0x0042, "TLS_DH_DSS_WITH_CAMELLIA_128_CBC_SHA"},
    174     {0x0043, "TLS_DH_RSA_WITH_CAMELLIA_128_CBC_SHA"},
    175     {0x0044, "TLS_DHE_DSS_WITH_CAMELLIA_128_CBC_SHA"},
    176     {0x0045, "TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA"},
    177     {0x0046, "TLS_DH_anon_WITH_CAMELLIA_128_CBC_SHA"},
    178     {0x0067, "TLS_DHE_RSA_WITH_AES_128_CBC_SHA256"},
    179     {0x0068, "TLS_DH_DSS_WITH_AES_256_CBC_SHA256"},
    180     {0x0069, "TLS_DH_RSA_WITH_AES_256_CBC_SHA256"},
    181     {0x006A, "TLS_DHE_DSS_WITH_AES_256_CBC_SHA256"},
    182     {0x006B, "TLS_DHE_RSA_WITH_AES_256_CBC_SHA256"},
    183     {0x006C, "TLS_DH_anon_WITH_AES_128_CBC_SHA256"},
    184     {0x006D, "TLS_DH_anon_WITH_AES_256_CBC_SHA256"},
    185     {0x0081, "TLS_GOSTR341001_WITH_28147_CNT_IMIT"},
    186     {0x0083, "TLS_GOSTR341001_WITH_NULL_GOSTR3411"},
    187     {0x0084, "TLS_RSA_WITH_CAMELLIA_256_CBC_SHA"},
    188     {0x0085, "TLS_DH_DSS_WITH_CAMELLIA_256_CBC_SHA"},
    189     {0x0086, "TLS_DH_RSA_WITH_CAMELLIA_256_CBC_SHA"},
    190     {0x0087, "TLS_DHE_DSS_WITH_CAMELLIA_256_CBC_SHA"},
    191     {0x0088, "TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA"},
    192     {0x0089, "TLS_DH_anon_WITH_CAMELLIA_256_CBC_SHA"},
    193     {0x008A, "TLS_PSK_WITH_RC4_128_SHA"},
    194     {0x008B, "TLS_PSK_WITH_3DES_EDE_CBC_SHA"},
    195     {0x008C, "TLS_PSK_WITH_AES_128_CBC_SHA"},
    196     {0x008D, "TLS_PSK_WITH_AES_256_CBC_SHA"},
    197     {0x008E, "TLS_DHE_PSK_WITH_RC4_128_SHA"},
    198     {0x008F, "TLS_DHE_PSK_WITH_3DES_EDE_CBC_SHA"},
    199     {0x0090, "TLS_DHE_PSK_WITH_AES_128_CBC_SHA"},
    200     {0x0091, "TLS_DHE_PSK_WITH_AES_256_CBC_SHA"},
    201     {0x0092, "TLS_RSA_PSK_WITH_RC4_128_SHA"},
    202     {0x0093, "TLS_RSA_PSK_WITH_3DES_EDE_CBC_SHA"},
    203     {0x0094, "TLS_RSA_PSK_WITH_AES_128_CBC_SHA"},
    204     {0x0095, "TLS_RSA_PSK_WITH_AES_256_CBC_SHA"},
    205     {0x0096, "TLS_RSA_WITH_SEED_CBC_SHA"},
    206     {0x0097, "TLS_DH_DSS_WITH_SEED_CBC_SHA"},
    207     {0x0098, "TLS_DH_RSA_WITH_SEED_CBC_SHA"},
    208     {0x0099, "TLS_DHE_DSS_WITH_SEED_CBC_SHA"},
    209     {0x009A, "TLS_DHE_RSA_WITH_SEED_CBC_SHA"},
    210     {0x009B, "TLS_DH_anon_WITH_SEED_CBC_SHA"},
    211     {0x009C, "TLS_RSA_WITH_AES_128_GCM_SHA256"},
    212     {0x009D, "TLS_RSA_WITH_AES_256_GCM_SHA384"},
    213     {0x009E, "TLS_DHE_RSA_WITH_AES_128_GCM_SHA256"},
    214     {0x009F, "TLS_DHE_RSA_WITH_AES_256_GCM_SHA384"},
    215     {0x00A0, "TLS_DH_RSA_WITH_AES_128_GCM_SHA256"},
    216     {0x00A1, "TLS_DH_RSA_WITH_AES_256_GCM_SHA384"},
    217     {0x00A2, "TLS_DHE_DSS_WITH_AES_128_GCM_SHA256"},
    218     {0x00A3, "TLS_DHE_DSS_WITH_AES_256_GCM_SHA384"},
    219     {0x00A4, "TLS_DH_DSS_WITH_AES_128_GCM_SHA256"},
    220     {0x00A5, "TLS_DH_DSS_WITH_AES_256_GCM_SHA384"},
    221     {0x00A6, "TLS_DH_anon_WITH_AES_128_GCM_SHA256"},
    222     {0x00A7, "TLS_DH_anon_WITH_AES_256_GCM_SHA384"},
    223     {0x00A8, "TLS_PSK_WITH_AES_128_GCM_SHA256"},
    224     {0x00A9, "TLS_PSK_WITH_AES_256_GCM_SHA384"},
    225     {0x00AA, "TLS_DHE_PSK_WITH_AES_128_GCM_SHA256"},
    226     {0x00AB, "TLS_DHE_PSK_WITH_AES_256_GCM_SHA384"},
    227     {0x00AC, "TLS_RSA_PSK_WITH_AES_128_GCM_SHA256"},
    228     {0x00AD, "TLS_RSA_PSK_WITH_AES_256_GCM_SHA384"},
    229     {0x00AE, "TLS_PSK_WITH_AES_128_CBC_SHA256"},
    230     {0x00AF, "TLS_PSK_WITH_AES_256_CBC_SHA384"},
    231     {0x00B0, "TLS_PSK_WITH_NULL_SHA256"},
    232     {0x00B1, "TLS_PSK_WITH_NULL_SHA384"},
    233     {0x00B2, "TLS_DHE_PSK_WITH_AES_128_CBC_SHA256"},
    234     {0x00B3, "TLS_DHE_PSK_WITH_AES_256_CBC_SHA384"},
    235     {0x00B4, "TLS_DHE_PSK_WITH_NULL_SHA256"},
    236     {0x00B5, "TLS_DHE_PSK_WITH_NULL_SHA384"},
    237     {0x00B6, "TLS_RSA_PSK_WITH_AES_128_CBC_SHA256"},
    238     {0x00B7, "TLS_RSA_PSK_WITH_AES_256_CBC_SHA384"},
    239     {0x00B8, "TLS_RSA_PSK_WITH_NULL_SHA256"},
    240     {0x00B9, "TLS_RSA_PSK_WITH_NULL_SHA384"},
    241     {0x00BA, "TLS_RSA_WITH_CAMELLIA_128_CBC_SHA256"},
    242     {0x00BB, "TLS_DH_DSS_WITH_CAMELLIA_128_CBC_SHA256"},
    243     {0x00BC, "TLS_DH_RSA_WITH_CAMELLIA_128_CBC_SHA256"},
    244     {0x00BD, "TLS_DHE_DSS_WITH_CAMELLIA_128_CBC_SHA256"},
    245     {0x00BE, "TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA256"},
    246     {0x00BF, "TLS_DH_anon_WITH_CAMELLIA_128_CBC_SHA256"},
    247     {0x00C0, "TLS_RSA_WITH_CAMELLIA_256_CBC_SHA256"},
    248     {0x00C1, "TLS_DH_DSS_WITH_CAMELLIA_256_CBC_SHA256"},
    249     {0x00C2, "TLS_DH_RSA_WITH_CAMELLIA_256_CBC_SHA256"},
    250     {0x00C3, "TLS_DHE_DSS_WITH_CAMELLIA_256_CBC_SHA256"},
    251     {0x00C4, "TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA256"},
    252     {0x00C5, "TLS_DH_anon_WITH_CAMELLIA_256_CBC_SHA256"},
    253     {0x00FF, "TLS_EMPTY_RENEGOTIATION_INFO_SCSV"},
    254     {0x5600, "TLS_FALLBACK_SCSV"},
    255     {0xC001, "TLS_ECDH_ECDSA_WITH_NULL_SHA"},
    256     {0xC002, "TLS_ECDH_ECDSA_WITH_RC4_128_SHA"},
    257     {0xC003, "TLS_ECDH_ECDSA_WITH_3DES_EDE_CBC_SHA"},
    258     {0xC004, "TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA"},
    259     {0xC005, "TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA"},
    260     {0xC006, "TLS_ECDHE_ECDSA_WITH_NULL_SHA"},
    261     {0xC007, "TLS_ECDHE_ECDSA_WITH_RC4_128_SHA"},
    262     {0xC008, "TLS_ECDHE_ECDSA_WITH_3DES_EDE_CBC_SHA"},
    263     {0xC009, "TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA"},
    264     {0xC00A, "TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA"},
    265     {0xC00B, "TLS_ECDH_RSA_WITH_NULL_SHA"},
    266     {0xC00C, "TLS_ECDH_RSA_WITH_RC4_128_SHA"},
    267     {0xC00D, "TLS_ECDH_RSA_WITH_3DES_EDE_CBC_SHA"},
    268     {0xC00E, "TLS_ECDH_RSA_WITH_AES_128_CBC_SHA"},
    269     {0xC00F, "TLS_ECDH_RSA_WITH_AES_256_CBC_SHA"},
    270     {0xC010, "TLS_ECDHE_RSA_WITH_NULL_SHA"},
    271     {0xC011, "TLS_ECDHE_RSA_WITH_RC4_128_SHA"},
    272     {0xC012, "TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA"},
    273     {0xC013, "TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA"},
    274     {0xC014, "TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA"},
    275     {0xC015, "TLS_ECDH_anon_WITH_NULL_SHA"},
    276     {0xC016, "TLS_ECDH_anon_WITH_RC4_128_SHA"},
    277     {0xC017, "TLS_ECDH_anon_WITH_3DES_EDE_CBC_SHA"},
    278     {0xC018, "TLS_ECDH_anon_WITH_AES_128_CBC_SHA"},
    279     {0xC019, "TLS_ECDH_anon_WITH_AES_256_CBC_SHA"},
    280     {0xC01A, "TLS_SRP_SHA_WITH_3DES_EDE_CBC_SHA"},
    281     {0xC01B, "TLS_SRP_SHA_RSA_WITH_3DES_EDE_CBC_SHA"},
    282     {0xC01C, "TLS_SRP_SHA_DSS_WITH_3DES_EDE_CBC_SHA"},
    283     {0xC01D, "TLS_SRP_SHA_WITH_AES_128_CBC_SHA"},
    284     {0xC01E, "TLS_SRP_SHA_RSA_WITH_AES_128_CBC_SHA"},
    285     {0xC01F, "TLS_SRP_SHA_DSS_WITH_AES_128_CBC_SHA"},
    286     {0xC020, "TLS_SRP_SHA_WITH_AES_256_CBC_SHA"},
    287     {0xC021, "TLS_SRP_SHA_RSA_WITH_AES_256_CBC_SHA"},
    288     {0xC022, "TLS_SRP_SHA_DSS_WITH_AES_256_CBC_SHA"},
    289     {0xC023, "TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256"},
    290     {0xC024, "TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384"},
    291     {0xC025, "TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA256"},
    292     {0xC026, "TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA384"},
    293     {0xC027, "TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256"},
    294     {0xC028, "TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384"},
    295     {0xC029, "TLS_ECDH_RSA_WITH_AES_128_CBC_SHA256"},
    296     {0xC02A, "TLS_ECDH_RSA_WITH_AES_256_CBC_SHA384"},
    297     {0xC02B, "TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256"},
    298     {0xC02C, "TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384"},
    299     {0xC02D, "TLS_ECDH_ECDSA_WITH_AES_128_GCM_SHA256"},
    300     {0xC02E, "TLS_ECDH_ECDSA_WITH_AES_256_GCM_SHA384"},
    301     {0xC02F, "TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256"},
    302     {0xC030, "TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384"},
    303     {0xC031, "TLS_ECDH_RSA_WITH_AES_128_GCM_SHA256"},
    304     {0xC032, "TLS_ECDH_RSA_WITH_AES_256_GCM_SHA384"},
    305     {0xC033, "TLS_ECDHE_PSK_WITH_RC4_128_SHA"},
    306     {0xC034, "TLS_ECDHE_PSK_WITH_3DES_EDE_CBC_SHA"},
    307     {0xC035, "TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA"},
    308     {0xC036, "TLS_ECDHE_PSK_WITH_AES_256_CBC_SHA"},
    309     {0xC037, "TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA256"},
    310     {0xC038, "TLS_ECDHE_PSK_WITH_AES_256_CBC_SHA384"},
    311     {0xC039, "TLS_ECDHE_PSK_WITH_NULL_SHA"},
    312     {0xC03A, "TLS_ECDHE_PSK_WITH_NULL_SHA256"},
    313     {0xC03B, "TLS_ECDHE_PSK_WITH_NULL_SHA384"},
    314     {0xC03C, "TLS_RSA_WITH_ARIA_128_CBC_SHA256"},
    315     {0xC03D, "TLS_RSA_WITH_ARIA_256_CBC_SHA384"},
    316     {0xC03E, "TLS_DH_DSS_WITH_ARIA_128_CBC_SHA256"},
    317     {0xC03F, "TLS_DH_DSS_WITH_ARIA_256_CBC_SHA384"},
    318     {0xC040, "TLS_DH_RSA_WITH_ARIA_128_CBC_SHA256"},
    319     {0xC041, "TLS_DH_RSA_WITH_ARIA_256_CBC_SHA384"},
    320     {0xC042, "TLS_DHE_DSS_WITH_ARIA_128_CBC_SHA256"},
    321     {0xC043, "TLS_DHE_DSS_WITH_ARIA_256_CBC_SHA384"},
    322     {0xC044, "TLS_DHE_RSA_WITH_ARIA_128_CBC_SHA256"},
    323     {0xC045, "TLS_DHE_RSA_WITH_ARIA_256_CBC_SHA384"},
    324     {0xC046, "TLS_DH_anon_WITH_ARIA_128_CBC_SHA256"},
    325     {0xC047, "TLS_DH_anon_WITH_ARIA_256_CBC_SHA384"},
    326     {0xC048, "TLS_ECDHE_ECDSA_WITH_ARIA_128_CBC_SHA256"},
    327     {0xC049, "TLS_ECDHE_ECDSA_WITH_ARIA_256_CBC_SHA384"},
    328     {0xC04A, "TLS_ECDH_ECDSA_WITH_ARIA_128_CBC_SHA256"},
    329     {0xC04B, "TLS_ECDH_ECDSA_WITH_ARIA_256_CBC_SHA384"},
    330     {0xC04C, "TLS_ECDHE_RSA_WITH_ARIA_128_CBC_SHA256"},
    331     {0xC04D, "TLS_ECDHE_RSA_WITH_ARIA_256_CBC_SHA384"},
    332     {0xC04E, "TLS_ECDH_RSA_WITH_ARIA_128_CBC_SHA256"},
    333     {0xC04F, "TLS_ECDH_RSA_WITH_ARIA_256_CBC_SHA384"},
    334     {0xC050, "TLS_RSA_WITH_ARIA_128_GCM_SHA256"},
    335     {0xC051, "TLS_RSA_WITH_ARIA_256_GCM_SHA384"},
    336     {0xC052, "TLS_DHE_RSA_WITH_ARIA_128_GCM_SHA256"},
    337     {0xC053, "TLS_DHE_RSA_WITH_ARIA_256_GCM_SHA384"},
    338     {0xC054, "TLS_DH_RSA_WITH_ARIA_128_GCM_SHA256"},
    339     {0xC055, "TLS_DH_RSA_WITH_ARIA_256_GCM_SHA384"},
    340     {0xC056, "TLS_DHE_DSS_WITH_ARIA_128_GCM_SHA256"},
    341     {0xC057, "TLS_DHE_DSS_WITH_ARIA_256_GCM_SHA384"},
    342     {0xC058, "TLS_DH_DSS_WITH_ARIA_128_GCM_SHA256"},
    343     {0xC059, "TLS_DH_DSS_WITH_ARIA_256_GCM_SHA384"},
    344     {0xC05A, "TLS_DH_anon_WITH_ARIA_128_GCM_SHA256"},
    345     {0xC05B, "TLS_DH_anon_WITH_ARIA_256_GCM_SHA384"},
    346     {0xC05C, "TLS_ECDHE_ECDSA_WITH_ARIA_128_GCM_SHA256"},
    347     {0xC05D, "TLS_ECDHE_ECDSA_WITH_ARIA_256_GCM_SHA384"},
    348     {0xC05E, "TLS_ECDH_ECDSA_WITH_ARIA_128_GCM_SHA256"},
    349     {0xC05F, "TLS_ECDH_ECDSA_WITH_ARIA_256_GCM_SHA384"},
    350     {0xC060, "TLS_ECDHE_RSA_WITH_ARIA_128_GCM_SHA256"},
    351     {0xC061, "TLS_ECDHE_RSA_WITH_ARIA_256_GCM_SHA384"},
    352     {0xC062, "TLS_ECDH_RSA_WITH_ARIA_128_GCM_SHA256"},
    353     {0xC063, "TLS_ECDH_RSA_WITH_ARIA_256_GCM_SHA384"},
    354     {0xC064, "TLS_PSK_WITH_ARIA_128_CBC_SHA256"},
    355     {0xC065, "TLS_PSK_WITH_ARIA_256_CBC_SHA384"},
    356     {0xC066, "TLS_DHE_PSK_WITH_ARIA_128_CBC_SHA256"},
    357     {0xC067, "TLS_DHE_PSK_WITH_ARIA_256_CBC_SHA384"},
    358     {0xC068, "TLS_RSA_PSK_WITH_ARIA_128_CBC_SHA256"},
    359     {0xC069, "TLS_RSA_PSK_WITH_ARIA_256_CBC_SHA384"},
    360     {0xC06A, "TLS_PSK_WITH_ARIA_128_GCM_SHA256"},
    361     {0xC06B, "TLS_PSK_WITH_ARIA_256_GCM_SHA384"},
    362     {0xC06C, "TLS_DHE_PSK_WITH_ARIA_128_GCM_SHA256"},
    363     {0xC06D, "TLS_DHE_PSK_WITH_ARIA_256_GCM_SHA384"},
    364     {0xC06E, "TLS_RSA_PSK_WITH_ARIA_128_GCM_SHA256"},
    365     {0xC06F, "TLS_RSA_PSK_WITH_ARIA_256_GCM_SHA384"},
    366     {0xC070, "TLS_ECDHE_PSK_WITH_ARIA_128_CBC_SHA256"},
    367     {0xC071, "TLS_ECDHE_PSK_WITH_ARIA_256_CBC_SHA384"},
    368     {0xC072, "TLS_ECDHE_ECDSA_WITH_CAMELLIA_128_CBC_SHA256"},
    369     {0xC073, "TLS_ECDHE_ECDSA_WITH_CAMELLIA_256_CBC_SHA384"},
    370     {0xC074, "TLS_ECDH_ECDSA_WITH_CAMELLIA_128_CBC_SHA256"},
    371     {0xC075, "TLS_ECDH_ECDSA_WITH_CAMELLIA_256_CBC_SHA384"},
    372     {0xC076, "TLS_ECDHE_RSA_WITH_CAMELLIA_128_CBC_SHA256"},
    373     {0xC077, "TLS_ECDHE_RSA_WITH_CAMELLIA_256_CBC_SHA384"},
    374     {0xC078, "TLS_ECDH_RSA_WITH_CAMELLIA_128_CBC_SHA256"},
    375     {0xC079, "TLS_ECDH_RSA_WITH_CAMELLIA_256_CBC_SHA384"},
    376     {0xC07A, "TLS_RSA_WITH_CAMELLIA_128_GCM_SHA256"},
    377     {0xC07B, "TLS_RSA_WITH_CAMELLIA_256_GCM_SHA384"},
    378     {0xC07C, "TLS_DHE_RSA_WITH_CAMELLIA_128_GCM_SHA256"},
    379     {0xC07D, "TLS_DHE_RSA_WITH_CAMELLIA_256_GCM_SHA384"},
    380     {0xC07E, "TLS_DH_RSA_WITH_CAMELLIA_128_GCM_SHA256"},
    381     {0xC07F, "TLS_DH_RSA_WITH_CAMELLIA_256_GCM_SHA384"},
    382     {0xC080, "TLS_DHE_DSS_WITH_CAMELLIA_128_GCM_SHA256"},
    383     {0xC081, "TLS_DHE_DSS_WITH_CAMELLIA_256_GCM_SHA384"},
    384     {0xC082, "TLS_DH_DSS_WITH_CAMELLIA_128_GCM_SHA256"},
    385     {0xC083, "TLS_DH_DSS_WITH_CAMELLIA_256_GCM_SHA384"},
    386     {0xC084, "TLS_DH_anon_WITH_CAMELLIA_128_GCM_SHA256"},
    387     {0xC085, "TLS_DH_anon_WITH_CAMELLIA_256_GCM_SHA384"},
    388     {0xC086, "TLS_ECDHE_ECDSA_WITH_CAMELLIA_128_GCM_SHA256"},
    389     {0xC087, "TLS_ECDHE_ECDSA_WITH_CAMELLIA_256_GCM_SHA384"},
    390     {0xC088, "TLS_ECDH_ECDSA_WITH_CAMELLIA_128_GCM_SHA256"},
    391     {0xC089, "TLS_ECDH_ECDSA_WITH_CAMELLIA_256_GCM_SHA384"},
    392     {0xC08A, "TLS_ECDHE_RSA_WITH_CAMELLIA_128_GCM_SHA256"},
    393     {0xC08B, "TLS_ECDHE_RSA_WITH_CAMELLIA_256_GCM_SHA384"},
    394     {0xC08C, "TLS_ECDH_RSA_WITH_CAMELLIA_128_GCM_SHA256"},
    395     {0xC08D, "TLS_ECDH_RSA_WITH_CAMELLIA_256_GCM_SHA384"},
    396     {0xC08E, "TLS_PSK_WITH_CAMELLIA_128_GCM_SHA256"},
    397     {0xC08F, "TLS_PSK_WITH_CAMELLIA_256_GCM_SHA384"},
    398     {0xC090, "TLS_DHE_PSK_WITH_CAMELLIA_128_GCM_SHA256"},
    399     {0xC091, "TLS_DHE_PSK_WITH_CAMELLIA_256_GCM_SHA384"},
    400     {0xC092, "TLS_RSA_PSK_WITH_CAMELLIA_128_GCM_SHA256"},
    401     {0xC093, "TLS_RSA_PSK_WITH_CAMELLIA_256_GCM_SHA384"},
    402     {0xC094, "TLS_PSK_WITH_CAMELLIA_128_CBC_SHA256"},
    403     {0xC095, "TLS_PSK_WITH_CAMELLIA_256_CBC_SHA384"},
    404     {0xC096, "TLS_DHE_PSK_WITH_CAMELLIA_128_CBC_SHA256"},
    405     {0xC097, "TLS_DHE_PSK_WITH_CAMELLIA_256_CBC_SHA384"},
    406     {0xC098, "TLS_RSA_PSK_WITH_CAMELLIA_128_CBC_SHA256"},
    407     {0xC099, "TLS_RSA_PSK_WITH_CAMELLIA_256_CBC_SHA384"},
    408     {0xC09A, "TLS_ECDHE_PSK_WITH_CAMELLIA_128_CBC_SHA256"},
    409     {0xC09B, "TLS_ECDHE_PSK_WITH_CAMELLIA_256_CBC_SHA384"},
    410     {0xC09C, "TLS_RSA_WITH_AES_128_CCM"},
    411     {0xC09D, "TLS_RSA_WITH_AES_256_CCM"},
    412     {0xC09E, "TLS_DHE_RSA_WITH_AES_128_CCM"},
    413     {0xC09F, "TLS_DHE_RSA_WITH_AES_256_CCM"},
    414     {0xC0A0, "TLS_RSA_WITH_AES_128_CCM_8"},
    415     {0xC0A1, "TLS_RSA_WITH_AES_256_CCM_8"},
    416     {0xC0A2, "TLS_DHE_RSA_WITH_AES_128_CCM_8"},
    417     {0xC0A3, "TLS_DHE_RSA_WITH_AES_256_CCM_8"},
    418     {0xC0A4, "TLS_PSK_WITH_AES_128_CCM"},
    419     {0xC0A5, "TLS_PSK_WITH_AES_256_CCM"},
    420     {0xC0A6, "TLS_DHE_PSK_WITH_AES_128_CCM"},
    421     {0xC0A7, "TLS_DHE_PSK_WITH_AES_256_CCM"},
    422     {0xC0A8, "TLS_PSK_WITH_AES_128_CCM_8"},
    423     {0xC0A9, "TLS_PSK_WITH_AES_256_CCM_8"},
    424     {0xC0AA, "TLS_PSK_DHE_WITH_AES_128_CCM_8"},
    425     {0xC0AB, "TLS_PSK_DHE_WITH_AES_256_CCM_8"},
    426     {0xC0AC, "TLS_ECDHE_ECDSA_WITH_AES_128_CCM"},
    427     {0xC0AD, "TLS_ECDHE_ECDSA_WITH_AES_256_CCM"},
    428     {0xC0AE, "TLS_ECDHE_ECDSA_WITH_AES_128_CCM_8"},
    429     {0xC0AF, "TLS_ECDHE_ECDSA_WITH_AES_256_CCM_8"},
    430     {0xCCA8, "TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256"},
    431     {0xCCA9, "TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256"},
    432     {0xCCAA, "TLS_DHE_RSA_WITH_CHACHA20_POLY1305_SHA256"},
    433     {0xCCAB, "TLS_PSK_WITH_CHACHA20_POLY1305_SHA256"},
    434     {0xCCAC, "TLS_ECDHE_PSK_WITH_CHACHA20_POLY1305_SHA256"},
    435     {0xCCAD, "TLS_DHE_PSK_WITH_CHACHA20_POLY1305_SHA256"},
    436     {0xCCAE, "TLS_RSA_PSK_WITH_CHACHA20_POLY1305_SHA256"},
    437     {0x1301, "TLS_AES_128_GCM_SHA256"},
    438     {0x1302, "TLS_AES_256_GCM_SHA384"},
    439     {0x1303, "TLS_CHACHA20_POLY1305_SHA256"},
    440     {0x1304, "TLS_AES_128_CCM_SHA256"},
    441     {0x1305, "TLS_AES_128_CCM_8_SHA256"},
    442     {0xFEFE, "SSL_RSA_FIPS_WITH_DES_CBC_SHA"},
    443     {0xFEFF, "SSL_RSA_FIPS_WITH_3DES_EDE_CBC_SHA"},
    444     {0xFF85, "GOST2012-GOST8912-GOST8912"},
    445     {0xFF87, "GOST2012-NULL-GOST12"},
    446 };
    447 
    448 /* Compression methods */
    449 static const ssl_trace_tbl ssl_comp_tbl[] = {
    450     {0x0000, "No Compression"},
    451     {0x0001, "Zlib Compression"}
    452 };
    453 
    454 /* Extensions sorted by ascending id */
    455 static const ssl_trace_tbl ssl_exts_tbl[] = {
    456     {TLSEXT_TYPE_server_name, "server_name"},
    457     {TLSEXT_TYPE_max_fragment_length, "max_fragment_length"},
    458     {TLSEXT_TYPE_client_certificate_url, "client_certificate_url"},
    459     {TLSEXT_TYPE_trusted_ca_keys, "trusted_ca_keys"},
    460     {TLSEXT_TYPE_truncated_hmac, "truncated_hmac"},
    461     {TLSEXT_TYPE_status_request, "status_request"},
    462     {TLSEXT_TYPE_user_mapping, "user_mapping"},
    463     {TLSEXT_TYPE_client_authz, "client_authz"},
    464     {TLSEXT_TYPE_server_authz, "server_authz"},
    465     {TLSEXT_TYPE_cert_type, "cert_type"},
    466     {TLSEXT_TYPE_supported_groups, "supported_groups"},
    467     {TLSEXT_TYPE_ec_point_formats, "ec_point_formats"},
    468     {TLSEXT_TYPE_srp, "srp"},
    469     {TLSEXT_TYPE_signature_algorithms, "signature_algorithms"},
    470     {TLSEXT_TYPE_use_srtp, "use_srtp"},
    471     {TLSEXT_TYPE_heartbeat, "tls_heartbeat"},
    472     {TLSEXT_TYPE_application_layer_protocol_negotiation,
    473      "application_layer_protocol_negotiation"},
    474     {TLSEXT_TYPE_signed_certificate_timestamp, "signed_certificate_timestamps"},
    475     {TLSEXT_TYPE_padding, "padding"},
    476     {TLSEXT_TYPE_encrypt_then_mac, "encrypt_then_mac"},
    477     {TLSEXT_TYPE_extended_master_secret, "extended_master_secret"},
    478     {TLSEXT_TYPE_session_ticket, "session_ticket"},
    479     {TLSEXT_TYPE_psk, "psk"},
    480     {TLSEXT_TYPE_early_data, "early_data"},
    481     {TLSEXT_TYPE_supported_versions, "supported_versions"},
    482     {TLSEXT_TYPE_cookie, "cookie_ext"},
    483     {TLSEXT_TYPE_psk_kex_modes, "psk_key_exchange_modes"},
    484     {TLSEXT_TYPE_certificate_authorities, "certificate_authorities"},
    485     {TLSEXT_TYPE_post_handshake_auth, "post_handshake_auth"},
    486     {TLSEXT_TYPE_signature_algorithms_cert, "signature_algorithms_cert"},
    487     {TLSEXT_TYPE_key_share, "key_share"},
    488     {TLSEXT_TYPE_renegotiate, "renegotiate"},
    489 # ifndef OPENSSL_NO_NEXTPROTONEG
    490     {TLSEXT_TYPE_next_proto_neg, "next_proto_neg"},
    491 # endif
    492 };
    493 
    494 static const ssl_trace_tbl ssl_groups_tbl[] = {
    495     {1, "sect163k1 (K-163)"},
    496     {2, "sect163r1"},
    497     {3, "sect163r2 (B-163)"},
    498     {4, "sect193r1"},
    499     {5, "sect193r2"},
    500     {6, "sect233k1 (K-233)"},
    501     {7, "sect233r1 (B-233)"},
    502     {8, "sect239k1"},
    503     {9, "sect283k1 (K-283)"},
    504     {10, "sect283r1 (B-283)"},
    505     {11, "sect409k1 (K-409)"},
    506     {12, "sect409r1 (B-409)"},
    507     {13, "sect571k1 (K-571)"},
    508     {14, "sect571r1 (B-571)"},
    509     {15, "secp160k1"},
    510     {16, "secp160r1"},
    511     {17, "secp160r2"},
    512     {18, "secp192k1"},
    513     {19, "secp192r1 (P-192)"},
    514     {20, "secp224k1"},
    515     {21, "secp224r1 (P-224)"},
    516     {22, "secp256k1"},
    517     {23, "secp256r1 (P-256)"},
    518     {24, "secp384r1 (P-384)"},
    519     {25, "secp521r1 (P-521)"},
    520     {26, "brainpoolP256r1"},
    521     {27, "brainpoolP384r1"},
    522     {28, "brainpoolP512r1"},
    523     {29, "ecdh_x25519"},
    524     {30, "ecdh_x448"},
    525     {256, "ffdhe2048"},
    526     {257, "ffdhe3072"},
    527     {258, "ffdhe4096"},
    528     {259, "ffdhe6144"},
    529     {260, "ffdhe8192"},
    530     {0xFF01, "arbitrary_explicit_prime_curves"},
    531     {0xFF02, "arbitrary_explicit_char2_curves"}
    532 };
    533 
    534 static const ssl_trace_tbl ssl_point_tbl[] = {
    535     {0, "uncompressed"},
    536     {1, "ansiX962_compressed_prime"},
    537     {2, "ansiX962_compressed_char2"}
    538 };
    539 
    540 static const ssl_trace_tbl ssl_mfl_tbl[] = {
    541     {0, "disabled"},
    542     {1, "max_fragment_length := 2^9 (512 bytes)"},
    543     {2, "max_fragment_length := 2^10 (1024 bytes)"},
    544     {3, "max_fragment_length := 2^11 (2048 bytes)"},
    545     {4, "max_fragment_length := 2^12 (4096 bytes)"}
    546 };
    547 
    548 static const ssl_trace_tbl ssl_sigalg_tbl[] = {
    549     {TLSEXT_SIGALG_ecdsa_secp256r1_sha256, "ecdsa_secp256r1_sha256"},
    550     {TLSEXT_SIGALG_ecdsa_secp384r1_sha384, "ecdsa_secp384r1_sha384"},
    551     {TLSEXT_SIGALG_ecdsa_secp521r1_sha512, "ecdsa_secp521r1_sha512"},
    552     {TLSEXT_SIGALG_ecdsa_sha224, "ecdsa_sha224"},
    553     {TLSEXT_SIGALG_ed25519, "ed25519"},
    554     {TLSEXT_SIGALG_ed448, "ed448"},
    555     {TLSEXT_SIGALG_ecdsa_sha1, "ecdsa_sha1"},
    556     {TLSEXT_SIGALG_rsa_pss_rsae_sha256, "rsa_pss_rsae_sha256"},
    557     {TLSEXT_SIGALG_rsa_pss_rsae_sha384, "rsa_pss_rsae_sha384"},
    558     {TLSEXT_SIGALG_rsa_pss_rsae_sha512, "rsa_pss_rsae_sha512"},
    559     {TLSEXT_SIGALG_rsa_pss_pss_sha256, "rsa_pss_pss_sha256"},
    560     {TLSEXT_SIGALG_rsa_pss_pss_sha384, "rsa_pss_pss_sha384"},
    561     {TLSEXT_SIGALG_rsa_pss_pss_sha512, "rsa_pss_pss_sha512"},
    562     {TLSEXT_SIGALG_rsa_pkcs1_sha256, "rsa_pkcs1_sha256"},
    563     {TLSEXT_SIGALG_rsa_pkcs1_sha384, "rsa_pkcs1_sha384"},
    564     {TLSEXT_SIGALG_rsa_pkcs1_sha512, "rsa_pkcs1_sha512"},
    565     {TLSEXT_SIGALG_rsa_pkcs1_sha224, "rsa_pkcs1_sha224"},
    566     {TLSEXT_SIGALG_rsa_pkcs1_sha1, "rsa_pkcs1_sha1"},
    567     {TLSEXT_SIGALG_dsa_sha256, "dsa_sha256"},
    568     {TLSEXT_SIGALG_dsa_sha384, "dsa_sha384"},
    569     {TLSEXT_SIGALG_dsa_sha512, "dsa_sha512"},
    570     {TLSEXT_SIGALG_dsa_sha224, "dsa_sha224"},
    571     {TLSEXT_SIGALG_dsa_sha1, "dsa_sha1"},
    572     {TLSEXT_SIGALG_gostr34102012_256_gostr34112012_256, "gost2012_256"},
    573     {TLSEXT_SIGALG_gostr34102012_512_gostr34112012_512, "gost2012_512"},
    574     {TLSEXT_SIGALG_gostr34102001_gostr3411, "gost2001_gost94"},
    575 };
    576 
    577 static const ssl_trace_tbl ssl_ctype_tbl[] = {
    578     {1, "rsa_sign"},
    579     {2, "dss_sign"},
    580     {3, "rsa_fixed_dh"},
    581     {4, "dss_fixed_dh"},
    582     {5, "rsa_ephemeral_dh"},
    583     {6, "dss_ephemeral_dh"},
    584     {20, "fortezza_dms"},
    585     {64, "ecdsa_sign"},
    586     {65, "rsa_fixed_ecdh"},
    587     {66, "ecdsa_fixed_ecdh"}
    588 };
    589 
    590 static const ssl_trace_tbl ssl_psk_kex_modes_tbl[] = {
    591     {TLSEXT_KEX_MODE_KE, "psk_ke"},
    592     {TLSEXT_KEX_MODE_KE_DHE, "psk_dhe_ke"}
    593 };
    594 
    595 static const ssl_trace_tbl ssl_key_update_tbl[] = {
    596     {SSL_KEY_UPDATE_NOT_REQUESTED, "update_not_requested"},
    597     {SSL_KEY_UPDATE_REQUESTED, "update_requested"}
    598 };
    599 
    600 static void ssl_print_hex(BIO *bio, int indent, const char *name,
    601                           const unsigned char *msg, size_t msglen)
    602 {
    603     size_t i;
    604 
    605     BIO_indent(bio, indent, 80);
    606     BIO_printf(bio, "%s (len=%d): ", name, (int)msglen);
    607     for (i = 0; i < msglen; i++)
    608         BIO_printf(bio, "%02X", msg[i]);
    609     BIO_puts(bio, "\n");
    610 }
    611 
    612 static int ssl_print_hexbuf(BIO *bio, int indent, const char *name, size_t nlen,
    613                             const unsigned char **pmsg, size_t *pmsglen)
    614 {
    615     size_t blen;
    616     const unsigned char *p = *pmsg;
    617 
    618     if (*pmsglen < nlen)
    619         return 0;
    620     blen = p[0];
    621     if (nlen > 1)
    622         blen = (blen << 8) | p[1];
    623     if (*pmsglen < nlen + blen)
    624         return 0;
    625     p += nlen;
    626     ssl_print_hex(bio, indent, name, p, blen);
    627     *pmsg += blen + nlen;
    628     *pmsglen -= blen + nlen;
    629     return 1;
    630 }
    631 
    632 static int ssl_print_version(BIO *bio, int indent, const char *name,
    633                              const unsigned char **pmsg, size_t *pmsglen,
    634                              unsigned int *version)
    635 {
    636     int vers;
    637 
    638     if (*pmsglen < 2)
    639         return 0;
    640     vers = ((*pmsg)[0] << 8) | (*pmsg)[1];
    641     if (version != NULL)
    642         *version = vers;
    643     BIO_indent(bio, indent, 80);
    644     BIO_printf(bio, "%s=0x%x (%s)\n",
    645                name, vers, ssl_trace_str(vers, ssl_version_tbl));
    646     *pmsg += 2;
    647     *pmsglen -= 2;
    648     return 1;
    649 }
    650 
    651 static int ssl_print_random(BIO *bio, int indent,
    652                             const unsigned char **pmsg, size_t *pmsglen)
    653 {
    654     unsigned int tm;
    655     const unsigned char *p = *pmsg;
    656 
    657     if (*pmsglen < 32)
    658         return 0;
    659     tm = ((unsigned int)p[0] << 24)
    660          | ((unsigned int)p[1] << 16)
    661          | ((unsigned int)p[2] << 8)
    662          | (unsigned int)p[3];
    663     p += 4;
    664     BIO_indent(bio, indent, 80);
    665     BIO_puts(bio, "Random:\n");
    666     BIO_indent(bio, indent + 2, 80);
    667     BIO_printf(bio, "gmt_unix_time=0x%08X\n", tm);
    668     ssl_print_hex(bio, indent + 2, "random_bytes", p, 28);
    669     *pmsg += 32;
    670     *pmsglen -= 32;
    671     return 1;
    672 }
    673 
    674 static int ssl_print_signature(BIO *bio, int indent, const SSL *ssl,
    675                                const unsigned char **pmsg, size_t *pmsglen)
    676 {
    677     if (*pmsglen < 2)
    678         return 0;
    679     if (SSL_USE_SIGALGS(ssl)) {
    680         const unsigned char *p = *pmsg;
    681         unsigned int sigalg = (p[0] << 8) | p[1];
    682 
    683         BIO_indent(bio, indent, 80);
    684         BIO_printf(bio, "Signature Algorithm: %s (0x%04x)\n",
    685                    ssl_trace_str(sigalg, ssl_sigalg_tbl), sigalg);
    686         *pmsg += 2;
    687         *pmsglen -= 2;
    688     }
    689     return ssl_print_hexbuf(bio, indent, "Signature", 2, pmsg, pmsglen);
    690 }
    691 
    692 static int ssl_print_extension(BIO *bio, int indent, int server,
    693                                unsigned char mt, int extype,
    694                                const unsigned char *ext, size_t extlen)
    695 {
    696     size_t xlen, share_len;
    697     unsigned int sigalg;
    698     uint32_t max_early_data;
    699 
    700     BIO_indent(bio, indent, 80);
    701     BIO_printf(bio, "extension_type=%s(%d), length=%d\n",
    702                ssl_trace_str(extype, ssl_exts_tbl), extype, (int)extlen);
    703     switch (extype) {
    704     case TLSEXT_TYPE_max_fragment_length:
    705         if (extlen < 1)
    706             return 0;
    707         xlen = extlen;
    708         return ssl_trace_list(bio, indent + 2, ext, xlen, 1, ssl_mfl_tbl);
    709 
    710     case TLSEXT_TYPE_ec_point_formats:
    711         if (extlen < 1)
    712             return 0;
    713         xlen = ext[0];
    714         if (extlen != xlen + 1)
    715             return 0;
    716         return ssl_trace_list(bio, indent + 2, ext + 1, xlen, 1, ssl_point_tbl);
    717 
    718     case TLSEXT_TYPE_supported_groups:
    719         if (extlen < 2)
    720             return 0;
    721         xlen = (ext[0] << 8) | ext[1];
    722         if (extlen != xlen + 2)
    723             return 0;
    724         return ssl_trace_list(bio, indent + 2, ext + 2, xlen, 2, ssl_groups_tbl);
    725     case TLSEXT_TYPE_application_layer_protocol_negotiation:
    726         if (extlen < 2)
    727             return 0;
    728         xlen = (ext[0] << 8) | ext[1];
    729         if (extlen != xlen + 2)
    730             return 0;
    731         ext += 2;
    732         while (xlen > 0) {
    733             size_t plen = *ext++;
    734 
    735             if (plen + 1 > xlen)
    736                 return 0;
    737             BIO_indent(bio, indent + 2, 80);
    738             BIO_write(bio, ext, plen);
    739             BIO_puts(bio, "\n");
    740             ext += plen;
    741             xlen -= plen + 1;
    742         }
    743         return 1;
    744 
    745     case TLSEXT_TYPE_signature_algorithms:
    746 
    747         if (extlen < 2)
    748             return 0;
    749         xlen = (ext[0] << 8) | ext[1];
    750         if (extlen != xlen + 2)
    751             return 0;
    752         if (xlen & 1)
    753             return 0;
    754         ext += 2;
    755         while (xlen > 0) {
    756             BIO_indent(bio, indent + 2, 80);
    757             sigalg = (ext[0] << 8) | ext[1];
    758             BIO_printf(bio, "%s (0x%04x)\n",
    759                        ssl_trace_str(sigalg, ssl_sigalg_tbl), sigalg);
    760             xlen -= 2;
    761             ext += 2;
    762         }
    763         break;
    764 
    765     case TLSEXT_TYPE_renegotiate:
    766         if (extlen < 1)
    767             return 0;
    768         xlen = ext[0];
    769         if (xlen + 1 != extlen)
    770             return 0;
    771         ext++;
    772         if (xlen) {
    773             if (server) {
    774                 if (xlen & 1)
    775                     return 0;
    776                 xlen >>= 1;
    777             }
    778             ssl_print_hex(bio, indent + 4, "client_verify_data", ext, xlen);
    779             if (server) {
    780                 ext += xlen;
    781                 ssl_print_hex(bio, indent + 4, "server_verify_data", ext, xlen);
    782             }
    783         } else {
    784             BIO_indent(bio, indent + 4, 80);
    785             BIO_puts(bio, "<EMPTY>\n");
    786         }
    787         break;
    788 
    789     case TLSEXT_TYPE_heartbeat:
    790         return 0;
    791 
    792     case TLSEXT_TYPE_session_ticket:
    793         if (extlen != 0)
    794             ssl_print_hex(bio, indent + 4, "ticket", ext, extlen);
    795         break;
    796 
    797     case TLSEXT_TYPE_key_share:
    798         if (server && extlen == 2) {
    799             int group_id;
    800 
    801             /* We assume this is an HRR, otherwise this is an invalid key_share */
    802             group_id = (ext[0] << 8) | ext[1];
    803             BIO_indent(bio, indent + 4, 80);
    804             BIO_printf(bio, "NamedGroup: %s (%d)\n",
    805                        ssl_trace_str(group_id, ssl_groups_tbl), group_id);
    806             break;
    807         }
    808         if (extlen < 2)
    809             return 0;
    810         if (server) {
    811             xlen = extlen;
    812         } else {
    813             xlen = (ext[0] << 8) | ext[1];
    814             if (extlen != xlen + 2)
    815                 return 0;
    816             ext += 2;
    817         }
    818         for (; xlen > 0; ext += share_len, xlen -= share_len) {
    819             int group_id;
    820 
    821             if (xlen < 4)
    822                 return 0;
    823             group_id = (ext[0] << 8) | ext[1];
    824             share_len = (ext[2] << 8) | ext[3];
    825             ext += 4;
    826             xlen -= 4;
    827             if (xlen < share_len)
    828                 return 0;
    829             BIO_indent(bio, indent + 4, 80);
    830             BIO_printf(bio, "NamedGroup: %s (%d)\n",
    831                        ssl_trace_str(group_id, ssl_groups_tbl), group_id);
    832             ssl_print_hex(bio, indent + 4, "key_exchange: ", ext, share_len);
    833         }
    834         break;
    835 
    836     case TLSEXT_TYPE_supported_versions:
    837         if (server) {
    838             int version;
    839 
    840             if (extlen != 2)
    841                 return 0;
    842             version = (ext[0] << 8) | ext[1];
    843             BIO_indent(bio, indent + 4, 80);
    844             BIO_printf(bio, "%s (%d)\n",
    845                        ssl_trace_str(version, ssl_version_tbl), version);
    846             break;
    847         }
    848         if (extlen < 1)
    849             return 0;
    850         xlen = ext[0];
    851         if (extlen != xlen + 1)
    852             return 0;
    853         return ssl_trace_list(bio, indent + 2, ext + 1, xlen, 2,
    854                               ssl_version_tbl);
    855 
    856     case TLSEXT_TYPE_psk_kex_modes:
    857         if (extlen < 1)
    858             return 0;
    859         xlen = ext[0];
    860         if (extlen != xlen + 1)
    861             return 0;
    862         return ssl_trace_list(bio, indent + 2, ext + 1, xlen, 1,
    863                               ssl_psk_kex_modes_tbl);
    864 
    865     case TLSEXT_TYPE_early_data:
    866         if (mt != SSL3_MT_NEWSESSION_TICKET)
    867             break;
    868         if (extlen != 4)
    869             return 0;
    870         max_early_data = ((unsigned int)ext[0] << 24)
    871                          | ((unsigned int)ext[1] << 16)
    872                          | ((unsigned int)ext[2] << 8)
    873                          | (unsigned int)ext[3];
    874         BIO_indent(bio, indent + 2, 80);
    875         BIO_printf(bio, "max_early_data=%u\n", max_early_data);
    876         break;
    877 
    878     default:
    879         BIO_dump_indent(bio, (const char *)ext, extlen, indent + 2);
    880     }
    881     return 1;
    882 }
    883 
    884 static int ssl_print_extensions(BIO *bio, int indent, int server,
    885                                 unsigned char mt, const unsigned char **msgin,
    886                                 size_t *msginlen)
    887 {
    888     size_t extslen, msglen = *msginlen;
    889     const unsigned char *msg = *msgin;
    890 
    891     BIO_indent(bio, indent, 80);
    892     if (msglen == 0) {
    893         BIO_puts(bio, "No extensions\n");
    894         return 1;
    895     }
    896     if (msglen < 2)
    897         return 0;
    898     extslen = (msg[0] << 8) | msg[1];
    899     msglen -= 2;
    900     msg += 2;
    901     if (extslen == 0) {
    902         BIO_puts(bio, "No extensions\n");
    903         *msgin = msg;
    904         *msginlen = msglen;
    905         return 1;
    906     }
    907     if (extslen > msglen)
    908         return 0;
    909     BIO_printf(bio, "extensions, length = %d\n", (int)extslen);
    910     msglen -= extslen;
    911     while (extslen > 0) {
    912         int extype;
    913         size_t extlen;
    914         if (extslen < 4)
    915             return 0;
    916         extype = (msg[0] << 8) | msg[1];
    917         extlen = (msg[2] << 8) | msg[3];
    918         if (extslen < extlen + 4) {
    919             BIO_printf(bio, "extensions, extype = %d, extlen = %d\n", extype,
    920                        (int)extlen);
    921             BIO_dump_indent(bio, (const char *)msg, extslen, indent + 2);
    922             return 0;
    923         }
    924         msg += 4;
    925         if (!ssl_print_extension(bio, indent + 2, server, mt, extype, msg,
    926                                  extlen))
    927             return 0;
    928         msg += extlen;
    929         extslen -= extlen + 4;
    930     }
    931 
    932     *msgin = msg;
    933     *msginlen = msglen;
    934     return 1;
    935 }
    936 
    937 static int ssl_print_client_hello(BIO *bio, const SSL *ssl, int indent,
    938                                   const unsigned char *msg, size_t msglen)
    939 {
    940     size_t len;
    941     unsigned int cs;
    942 
    943     if (!ssl_print_version(bio, indent, "client_version", &msg, &msglen, NULL))
    944         return 0;
    945     if (!ssl_print_random(bio, indent, &msg, &msglen))
    946         return 0;
    947     if (!ssl_print_hexbuf(bio, indent, "session_id", 1, &msg, &msglen))
    948         return 0;
    949     if (SSL_IS_DTLS(ssl)) {
    950         if (!ssl_print_hexbuf(bio, indent, "cookie", 1, &msg, &msglen))
    951             return 0;
    952     }
    953     if (msglen < 2)
    954         return 0;
    955     len = (msg[0] << 8) | msg[1];
    956     msg += 2;
    957     msglen -= 2;
    958     BIO_indent(bio, indent, 80);
    959     BIO_printf(bio, "cipher_suites (len=%d)\n", (int)len);
    960     if (msglen < len || len & 1)
    961         return 0;
    962     while (len > 0) {
    963         cs = (msg[0] << 8) | msg[1];
    964         BIO_indent(bio, indent + 2, 80);
    965         BIO_printf(bio, "{0x%02X, 0x%02X} %s\n",
    966                    msg[0], msg[1], ssl_trace_str(cs, ssl_ciphers_tbl));
    967         msg += 2;
    968         msglen -= 2;
    969         len -= 2;
    970     }
    971     if (msglen < 1)
    972         return 0;
    973     len = msg[0];
    974     msg++;
    975     msglen--;
    976     if (msglen < len)
    977         return 0;
    978     BIO_indent(bio, indent, 80);
    979     BIO_printf(bio, "compression_methods (len=%d)\n", (int)len);
    980     while (len > 0) {
    981         BIO_indent(bio, indent + 2, 80);
    982         BIO_printf(bio, "%s (0x%02X)\n",
    983                    ssl_trace_str(msg[0], ssl_comp_tbl), msg[0]);
    984         msg++;
    985         msglen--;
    986         len--;
    987     }
    988     if (!ssl_print_extensions(bio, indent, 0, SSL3_MT_CLIENT_HELLO, &msg,
    989                               &msglen))
    990         return 0;
    991     return 1;
    992 }
    993 
    994 static int dtls_print_hello_vfyrequest(BIO *bio, int indent,
    995                                        const unsigned char *msg, size_t msglen)
    996 {
    997     if (!ssl_print_version(bio, indent, "server_version", &msg, &msglen, NULL))
    998         return 0;
    999     if (!ssl_print_hexbuf(bio, indent, "cookie", 1, &msg, &msglen))
   1000         return 0;
   1001     return 1;
   1002 }
   1003 
   1004 static int ssl_print_server_hello(BIO *bio, int indent,
   1005                                   const unsigned char *msg, size_t msglen)
   1006 {
   1007     unsigned int cs;
   1008     unsigned int vers;
   1009 
   1010     if (!ssl_print_version(bio, indent, "server_version", &msg, &msglen, &vers))
   1011         return 0;
   1012     if (!ssl_print_random(bio, indent, &msg, &msglen))
   1013         return 0;
   1014     if (vers != TLS1_3_VERSION
   1015             && !ssl_print_hexbuf(bio, indent, "session_id", 1, &msg, &msglen))
   1016         return 0;
   1017     if (msglen < 2)
   1018         return 0;
   1019     cs = (msg[0] << 8) | msg[1];
   1020     BIO_indent(bio, indent, 80);
   1021     BIO_printf(bio, "cipher_suite {0x%02X, 0x%02X} %s\n",
   1022                msg[0], msg[1], ssl_trace_str(cs, ssl_ciphers_tbl));
   1023     msg += 2;
   1024     msglen -= 2;
   1025     if (vers != TLS1_3_VERSION) {
   1026         if (msglen < 1)
   1027             return 0;
   1028         BIO_indent(bio, indent, 80);
   1029         BIO_printf(bio, "compression_method: %s (0x%02X)\n",
   1030                    ssl_trace_str(msg[0], ssl_comp_tbl), msg[0]);
   1031         msg++;
   1032         msglen--;
   1033     }
   1034     if (!ssl_print_extensions(bio, indent, 1, SSL3_MT_SERVER_HELLO, &msg,
   1035                               &msglen))
   1036         return 0;
   1037     return 1;
   1038 }
   1039 
   1040 static int ssl_get_keyex(const char **pname, const SSL *ssl)
   1041 {
   1042     unsigned long alg_k = ssl->s3->tmp.new_cipher->algorithm_mkey;
   1043 
   1044     if (alg_k & SSL_kRSA) {
   1045         *pname = "rsa";
   1046         return SSL_kRSA;
   1047     }
   1048     if (alg_k & SSL_kDHE) {
   1049         *pname = "DHE";
   1050         return SSL_kDHE;
   1051     }
   1052     if (alg_k & SSL_kECDHE) {
   1053         *pname = "ECDHE";
   1054         return SSL_kECDHE;
   1055     }
   1056     if (alg_k & SSL_kPSK) {
   1057         *pname = "PSK";
   1058         return SSL_kPSK;
   1059     }
   1060     if (alg_k & SSL_kRSAPSK) {
   1061         *pname = "RSAPSK";
   1062         return SSL_kRSAPSK;
   1063     }
   1064     if (alg_k & SSL_kDHEPSK) {
   1065         *pname = "DHEPSK";
   1066         return SSL_kDHEPSK;
   1067     }
   1068     if (alg_k & SSL_kECDHEPSK) {
   1069         *pname = "ECDHEPSK";
   1070         return SSL_kECDHEPSK;
   1071     }
   1072     if (alg_k & SSL_kSRP) {
   1073         *pname = "SRP";
   1074         return SSL_kSRP;
   1075     }
   1076     if (alg_k & SSL_kGOST) {
   1077         *pname = "GOST";
   1078         return SSL_kGOST;
   1079     }
   1080     *pname = "UNKNOWN";
   1081     return 0;
   1082 }
   1083 
   1084 static int ssl_print_client_keyex(BIO *bio, int indent, const SSL *ssl,
   1085                                   const unsigned char *msg, size_t msglen)
   1086 {
   1087     const char *algname;
   1088     int id = ssl_get_keyex(&algname, ssl);
   1089 
   1090     BIO_indent(bio, indent, 80);
   1091     BIO_printf(bio, "KeyExchangeAlgorithm=%s\n", algname);
   1092     if (id & SSL_PSK) {
   1093         if (!ssl_print_hexbuf(bio, indent + 2,
   1094                               "psk_identity", 2, &msg, &msglen))
   1095             return 0;
   1096     }
   1097     switch (id) {
   1098 
   1099     case SSL_kRSA:
   1100     case SSL_kRSAPSK:
   1101         if (TLS1_get_version(ssl) == SSL3_VERSION) {
   1102             ssl_print_hex(bio, indent + 2,
   1103                           "EncryptedPreMasterSecret", msg, msglen);
   1104         } else {
   1105             if (!ssl_print_hexbuf(bio, indent + 2,
   1106                                   "EncryptedPreMasterSecret", 2, &msg, &msglen))
   1107                 return 0;
   1108         }
   1109         break;
   1110 
   1111     case SSL_kDHE:
   1112     case SSL_kDHEPSK:
   1113         if (!ssl_print_hexbuf(bio, indent + 2, "dh_Yc", 2, &msg, &msglen))
   1114             return 0;
   1115         break;
   1116 
   1117     case SSL_kECDHE:
   1118     case SSL_kECDHEPSK:
   1119         if (!ssl_print_hexbuf(bio, indent + 2, "ecdh_Yc", 1, &msg, &msglen))
   1120             return 0;
   1121         break;
   1122 
   1123     }
   1124 
   1125     return !msglen;
   1126 }
   1127 
   1128 static int ssl_print_server_keyex(BIO *bio, int indent, const SSL *ssl,
   1129                                   const unsigned char *msg, size_t msglen)
   1130 {
   1131     const char *algname;
   1132     int id = ssl_get_keyex(&algname, ssl);
   1133 
   1134     BIO_indent(bio, indent, 80);
   1135     BIO_printf(bio, "KeyExchangeAlgorithm=%s\n", algname);
   1136     if (id & SSL_PSK) {
   1137         if (!ssl_print_hexbuf(bio, indent + 2,
   1138                               "psk_identity_hint", 2, &msg, &msglen))
   1139             return 0;
   1140     }
   1141     switch (id) {
   1142     case SSL_kRSA:
   1143 
   1144         if (!ssl_print_hexbuf(bio, indent + 2, "rsa_modulus", 2, &msg, &msglen))
   1145             return 0;
   1146         if (!ssl_print_hexbuf(bio, indent + 2, "rsa_exponent", 2,
   1147                               &msg, &msglen))
   1148             return 0;
   1149         break;
   1150 
   1151     case SSL_kDHE:
   1152     case SSL_kDHEPSK:
   1153         if (!ssl_print_hexbuf(bio, indent + 2, "dh_p", 2, &msg, &msglen))
   1154             return 0;
   1155         if (!ssl_print_hexbuf(bio, indent + 2, "dh_g", 2, &msg, &msglen))
   1156             return 0;
   1157         if (!ssl_print_hexbuf(bio, indent + 2, "dh_Ys", 2, &msg, &msglen))
   1158             return 0;
   1159         break;
   1160 
   1161 # ifndef OPENSSL_NO_EC
   1162     case SSL_kECDHE:
   1163     case SSL_kECDHEPSK:
   1164         if (msglen < 1)
   1165             return 0;
   1166         BIO_indent(bio, indent + 2, 80);
   1167         if (msg[0] == EXPLICIT_PRIME_CURVE_TYPE)
   1168             BIO_puts(bio, "explicit_prime\n");
   1169         else if (msg[0] == EXPLICIT_CHAR2_CURVE_TYPE)
   1170             BIO_puts(bio, "explicit_char2\n");
   1171         else if (msg[0] == NAMED_CURVE_TYPE) {
   1172             int curve;
   1173             if (msglen < 3)
   1174                 return 0;
   1175             curve = (msg[1] << 8) | msg[2];
   1176             BIO_printf(bio, "named_curve: %s (%d)\n",
   1177                        ssl_trace_str(curve, ssl_groups_tbl), curve);
   1178             msg += 3;
   1179             msglen -= 3;
   1180             if (!ssl_print_hexbuf(bio, indent + 2, "point", 1, &msg, &msglen))
   1181                 return 0;
   1182         } else {
   1183             BIO_printf(bio, "UNKNOWN CURVE PARAMETER TYPE %d\n", msg[0]);
   1184             return 0;
   1185         }
   1186         break;
   1187 # endif
   1188 
   1189     case SSL_kPSK:
   1190     case SSL_kRSAPSK:
   1191         break;
   1192     }
   1193     if (!(id & SSL_PSK))
   1194         ssl_print_signature(bio, indent, ssl, &msg, &msglen);
   1195     return !msglen;
   1196 }
   1197 
   1198 static int ssl_print_certificate(BIO *bio, int indent,
   1199                                  const unsigned char **pmsg, size_t *pmsglen)
   1200 {
   1201     size_t msglen = *pmsglen;
   1202     size_t clen;
   1203     X509 *x;
   1204     const unsigned char *p = *pmsg, *q;
   1205 
   1206     if (msglen < 3)
   1207         return 0;
   1208     clen = (p[0] << 16) | (p[1] << 8) | p[2];
   1209     if (msglen < clen + 3)
   1210         return 0;
   1211     q = p + 3;
   1212     BIO_indent(bio, indent, 80);
   1213     BIO_printf(bio, "ASN.1Cert, length=%d", (int)clen);
   1214     x = d2i_X509(NULL, &q, clen);
   1215     if (!x)
   1216         BIO_puts(bio, "<UNPARSEABLE CERTIFICATE>\n");
   1217     else {
   1218         BIO_puts(bio, "\n------details-----\n");
   1219         X509_print_ex(bio, x, XN_FLAG_ONELINE, 0);
   1220         PEM_write_bio_X509(bio, x);
   1221         /* Print certificate stuff */
   1222         BIO_puts(bio, "------------------\n");
   1223         X509_free(x);
   1224     }
   1225     if (q != p + 3 + clen) {
   1226         BIO_puts(bio, "<TRAILING GARBAGE AFTER CERTIFICATE>\n");
   1227     }
   1228     *pmsg += clen + 3;
   1229     *pmsglen -= clen + 3;
   1230     return 1;
   1231 }
   1232 
   1233 static int ssl_print_certificates(BIO *bio, const SSL *ssl, int server,
   1234                                   int indent, const unsigned char *msg,
   1235                                   size_t msglen)
   1236 {
   1237     size_t clen;
   1238 
   1239     if (SSL_IS_TLS13(ssl)
   1240             && !ssl_print_hexbuf(bio, indent, "context", 1, &msg, &msglen))
   1241         return 0;
   1242 
   1243     if (msglen < 3)
   1244         return 0;
   1245     clen = (msg[0] << 16) | (msg[1] << 8) | msg[2];
   1246     if (msglen != clen + 3)
   1247         return 0;
   1248     msg += 3;
   1249     BIO_indent(bio, indent, 80);
   1250     BIO_printf(bio, "certificate_list, length=%d\n", (int)clen);
   1251     while (clen > 0) {
   1252         if (!ssl_print_certificate(bio, indent + 2, &msg, &clen))
   1253             return 0;
   1254         if (SSL_IS_TLS13(ssl)
   1255             && !ssl_print_extensions(bio, indent + 2, server,
   1256                                      SSL3_MT_CERTIFICATE, &msg, &clen))
   1257             return 0;
   1258 
   1259     }
   1260     return 1;
   1261 }
   1262 
   1263 static int ssl_print_cert_request(BIO *bio, int indent, const SSL *ssl,
   1264                                   const unsigned char *msg, size_t msglen)
   1265 {
   1266     size_t xlen;
   1267     unsigned int sigalg;
   1268 
   1269     if (SSL_IS_TLS13(ssl)) {
   1270         if (!ssl_print_hexbuf(bio, indent, "request_context", 1, &msg, &msglen))
   1271             return 0;
   1272         if (!ssl_print_extensions(bio, indent, 1,
   1273                                   SSL3_MT_CERTIFICATE_REQUEST, &msg, &msglen))
   1274             return 0;
   1275         return 1;
   1276     } else {
   1277         if (msglen < 1)
   1278             return 0;
   1279         xlen = msg[0];
   1280         if (msglen < xlen + 1)
   1281             return 0;
   1282         msg++;
   1283         BIO_indent(bio, indent, 80);
   1284         BIO_printf(bio, "certificate_types (len=%d)\n", (int)xlen);
   1285         if (!ssl_trace_list(bio, indent + 2, msg, xlen, 1, ssl_ctype_tbl))
   1286             return 0;
   1287         msg += xlen;
   1288         msglen -= xlen + 1;
   1289     }
   1290     if (SSL_USE_SIGALGS(ssl)) {
   1291         if (msglen < 2)
   1292             return 0;
   1293         xlen = (msg[0] << 8) | msg[1];
   1294         if (msglen < xlen + 2 || (xlen & 1))
   1295             return 0;
   1296         msg += 2;
   1297         msglen -= xlen + 2;
   1298         BIO_indent(bio, indent, 80);
   1299         BIO_printf(bio, "signature_algorithms (len=%d)\n", (int)xlen);
   1300         while (xlen > 0) {
   1301             BIO_indent(bio, indent + 2, 80);
   1302             sigalg = (msg[0] << 8) | msg[1];
   1303             BIO_printf(bio, "%s (0x%04x)\n",
   1304                        ssl_trace_str(sigalg, ssl_sigalg_tbl), sigalg);
   1305             xlen -= 2;
   1306             msg += 2;
   1307         }
   1308         msg += xlen;
   1309     }
   1310 
   1311     if (msglen < 2)
   1312         return 0;
   1313     xlen = (msg[0] << 8) | msg[1];
   1314     BIO_indent(bio, indent, 80);
   1315     if (msglen < xlen + 2)
   1316         return 0;
   1317     msg += 2;
   1318     msglen -= 2 + xlen;
   1319     BIO_printf(bio, "certificate_authorities (len=%d)\n", (int)xlen);
   1320     while (xlen > 0) {
   1321         size_t dlen;
   1322         X509_NAME *nm;
   1323         const unsigned char *p;
   1324         if (xlen < 2)
   1325             return 0;
   1326         dlen = (msg[0] << 8) | msg[1];
   1327         if (xlen < dlen + 2)
   1328             return 0;
   1329         msg += 2;
   1330         BIO_indent(bio, indent + 2, 80);
   1331         BIO_printf(bio, "DistinguishedName (len=%d): ", (int)dlen);
   1332         p = msg;
   1333         nm = d2i_X509_NAME(NULL, &p, dlen);
   1334         if (!nm) {
   1335             BIO_puts(bio, "<UNPARSEABLE DN>\n");
   1336         } else {
   1337             X509_NAME_print_ex(bio, nm, 0, XN_FLAG_ONELINE);
   1338             BIO_puts(bio, "\n");
   1339             X509_NAME_free(nm);
   1340         }
   1341         xlen -= dlen + 2;
   1342         msg += dlen;
   1343     }
   1344     if (SSL_IS_TLS13(ssl)) {
   1345         if (!ssl_print_hexbuf(bio, indent, "request_extensions", 2,
   1346                               &msg, &msglen))
   1347             return 0;
   1348     }
   1349     return msglen == 0;
   1350 }
   1351 
   1352 static int ssl_print_ticket(BIO *bio, int indent, const SSL *ssl,
   1353                             const unsigned char *msg, size_t msglen)
   1354 {
   1355     unsigned int tick_life;
   1356 
   1357     if (msglen == 0) {
   1358         BIO_indent(bio, indent + 2, 80);
   1359         BIO_puts(bio, "No Ticket\n");
   1360         return 1;
   1361     }
   1362     if (msglen < 4)
   1363         return 0;
   1364     tick_life = ((unsigned int)msg[0] << 24)
   1365                 | ((unsigned int)msg[1] << 16)
   1366                 | ((unsigned int)msg[2] << 8)
   1367                 | (unsigned int)msg[3];
   1368     msglen -= 4;
   1369     msg += 4;
   1370     BIO_indent(bio, indent + 2, 80);
   1371     BIO_printf(bio, "ticket_lifetime_hint=%u\n", tick_life);
   1372     if (SSL_IS_TLS13(ssl)) {
   1373         unsigned int ticket_age_add;
   1374 
   1375         if (msglen < 4)
   1376             return 0;
   1377         ticket_age_add =
   1378             ((unsigned int)msg[0] << 24)
   1379             | ((unsigned int)msg[1] << 16)
   1380             | ((unsigned int)msg[2] << 8)
   1381             | (unsigned int)msg[3];
   1382         msglen -= 4;
   1383         msg += 4;
   1384         BIO_indent(bio, indent + 2, 80);
   1385         BIO_printf(bio, "ticket_age_add=%u\n", ticket_age_add);
   1386         if (!ssl_print_hexbuf(bio, indent + 2, "ticket_nonce", 1, &msg,
   1387                               &msglen))
   1388             return 0;
   1389     }
   1390     if (!ssl_print_hexbuf(bio, indent + 2, "ticket", 2, &msg, &msglen))
   1391         return 0;
   1392     if (SSL_IS_TLS13(ssl)
   1393             && !ssl_print_extensions(bio, indent + 2, 0,
   1394                                      SSL3_MT_NEWSESSION_TICKET, &msg, &msglen))
   1395         return 0;
   1396     if (msglen)
   1397         return 0;
   1398     return 1;
   1399 }
   1400 
   1401 static int ssl_print_handshake(BIO *bio, const SSL *ssl, int server,
   1402                                const unsigned char *msg, size_t msglen,
   1403                                int indent)
   1404 {
   1405     size_t hlen;
   1406     unsigned char htype;
   1407 
   1408     if (msglen < 4)
   1409         return 0;
   1410     htype = msg[0];
   1411     hlen = (msg[1] << 16) | (msg[2] << 8) | msg[3];
   1412     BIO_indent(bio, indent, 80);
   1413     BIO_printf(bio, "%s, Length=%d\n",
   1414                ssl_trace_str(htype, ssl_handshake_tbl), (int)hlen);
   1415     msg += 4;
   1416     msglen -= 4;
   1417     if (SSL_IS_DTLS(ssl)) {
   1418         if (msglen < 8)
   1419             return 0;
   1420         BIO_indent(bio, indent, 80);
   1421         BIO_printf(bio, "message_seq=%d, fragment_offset=%d, "
   1422                    "fragment_length=%d\n",
   1423                    (msg[0] << 8) | msg[1],
   1424                    (msg[2] << 16) | (msg[3] << 8) | msg[4],
   1425                    (msg[5] << 16) | (msg[6] << 8) | msg[7]);
   1426         msg += 8;
   1427         msglen -= 8;
   1428     }
   1429     if (msglen < hlen)
   1430         return 0;
   1431     switch (htype) {
   1432     case SSL3_MT_CLIENT_HELLO:
   1433         if (!ssl_print_client_hello(bio, ssl, indent + 2, msg, msglen))
   1434             return 0;
   1435         break;
   1436 
   1437     case DTLS1_MT_HELLO_VERIFY_REQUEST:
   1438         if (!dtls_print_hello_vfyrequest(bio, indent + 2, msg, msglen))
   1439             return 0;
   1440         break;
   1441 
   1442     case SSL3_MT_SERVER_HELLO:
   1443         if (!ssl_print_server_hello(bio, indent + 2, msg, msglen))
   1444             return 0;
   1445         break;
   1446 
   1447     case SSL3_MT_SERVER_KEY_EXCHANGE:
   1448         if (!ssl_print_server_keyex(bio, indent + 2, ssl, msg, msglen))
   1449             return 0;
   1450         break;
   1451 
   1452     case SSL3_MT_CLIENT_KEY_EXCHANGE:
   1453         if (!ssl_print_client_keyex(bio, indent + 2, ssl, msg, msglen))
   1454             return 0;
   1455         break;
   1456 
   1457     case SSL3_MT_CERTIFICATE:
   1458         if (!ssl_print_certificates(bio, ssl, server, indent + 2, msg, msglen))
   1459             return 0;
   1460         break;
   1461 
   1462     case SSL3_MT_CERTIFICATE_VERIFY:
   1463         if (!ssl_print_signature(bio, indent + 2, ssl, &msg, &msglen))
   1464             return 0;
   1465         break;
   1466 
   1467     case SSL3_MT_CERTIFICATE_REQUEST:
   1468         if (!ssl_print_cert_request(bio, indent + 2, ssl, msg, msglen))
   1469             return 0;
   1470         break;
   1471 
   1472     case SSL3_MT_FINISHED:
   1473         ssl_print_hex(bio, indent + 2, "verify_data", msg, msglen);
   1474         break;
   1475 
   1476     case SSL3_MT_SERVER_DONE:
   1477         if (msglen != 0)
   1478             ssl_print_hex(bio, indent + 2, "unexpected value", msg, msglen);
   1479         break;
   1480 
   1481     case SSL3_MT_NEWSESSION_TICKET:
   1482         if (!ssl_print_ticket(bio, indent + 2, ssl, msg, msglen))
   1483             return 0;
   1484         break;
   1485 
   1486     case SSL3_MT_ENCRYPTED_EXTENSIONS:
   1487         if (!ssl_print_extensions(bio, indent + 2, 1,
   1488                                   SSL3_MT_ENCRYPTED_EXTENSIONS, &msg, &msglen))
   1489             return 0;
   1490         break;
   1491 
   1492     case SSL3_MT_KEY_UPDATE:
   1493         if (msglen != 1) {
   1494             ssl_print_hex(bio, indent + 2, "unexpected value", msg, msglen);
   1495             return 0;
   1496         }
   1497         if (!ssl_trace_list(bio, indent + 2, msg, msglen, 1,
   1498                             ssl_key_update_tbl))
   1499             return 0;
   1500         break;
   1501 
   1502     default:
   1503         BIO_indent(bio, indent + 2, 80);
   1504         BIO_puts(bio, "Unsupported, hex dump follows:\n");
   1505         BIO_dump_indent(bio, (const char *)msg, msglen, indent + 4);
   1506     }
   1507     return 1;
   1508 }
   1509 
   1510 void SSL_trace(int write_p, int version, int content_type,
   1511                const void *buf, size_t msglen, SSL *ssl, void *arg)
   1512 {
   1513     const unsigned char *msg = buf;
   1514     BIO *bio = arg;
   1515 
   1516     switch (content_type) {
   1517     case SSL3_RT_HEADER:
   1518         {
   1519             int hvers;
   1520 
   1521             /* avoid overlapping with length at the end of buffer */
   1522             if (msglen < (size_t)(SSL_IS_DTLS(ssl) ?
   1523                      DTLS1_RT_HEADER_LENGTH : SSL3_RT_HEADER_LENGTH)) {
   1524                 BIO_puts(bio, write_p ? "Sent" : "Received");
   1525                 ssl_print_hex(bio, 0, " too short message", msg, msglen);
   1526                 break;
   1527             }
   1528             hvers = msg[1] << 8 | msg[2];
   1529             BIO_puts(bio, write_p ? "Sent" : "Received");
   1530             BIO_printf(bio, " Record\nHeader:\n  Version = %s (0x%x)\n",
   1531                        ssl_trace_str(hvers, ssl_version_tbl), hvers);
   1532             if (SSL_IS_DTLS(ssl)) {
   1533                 BIO_printf(bio,
   1534                            "  epoch=%d, sequence_number=%04x%04x%04x\n",
   1535                            (msg[3] << 8 | msg[4]),
   1536                            (msg[5] << 8 | msg[6]),
   1537                            (msg[7] << 8 | msg[8]), (msg[9] << 8 | msg[10]));
   1538             }
   1539 
   1540             BIO_printf(bio, "  Content Type = %s (%d)\n  Length = %d",
   1541                        ssl_trace_str(msg[0], ssl_content_tbl), msg[0],
   1542                        msg[msglen - 2] << 8 | msg[msglen - 1]);
   1543         }
   1544         break;
   1545 
   1546     case SSL3_RT_INNER_CONTENT_TYPE:
   1547         BIO_printf(bio, "  Inner Content Type = %s (%d)",
   1548                    ssl_trace_str(msg[0], ssl_content_tbl), msg[0]);
   1549         break;
   1550 
   1551     case SSL3_RT_HANDSHAKE:
   1552         if (!ssl_print_handshake(bio, ssl, ssl->server ? write_p : !write_p,
   1553                                  msg, msglen, 4))
   1554             BIO_printf(bio, "Message length parse error!\n");
   1555         break;
   1556 
   1557     case SSL3_RT_CHANGE_CIPHER_SPEC:
   1558         if (msglen == 1 && msg[0] == 1)
   1559             BIO_puts(bio, "    change_cipher_spec (1)\n");
   1560         else
   1561             ssl_print_hex(bio, 4, "unknown value", msg, msglen);
   1562         break;
   1563 
   1564     case SSL3_RT_ALERT:
   1565         if (msglen != 2)
   1566             BIO_puts(bio, "    Illegal Alert Length\n");
   1567         else {
   1568             BIO_printf(bio, "    Level=%s(%d), description=%s(%d)\n",
   1569                        SSL_alert_type_string_long(msg[0] << 8),
   1570                        msg[0], SSL_alert_desc_string_long(msg[1]), msg[1]);
   1571         }
   1572 
   1573     }
   1574 
   1575     BIO_puts(bio, "\n");
   1576 }
   1577 
   1578 #endif
   1579