From 93ab9e421e4517b81d11ca741d55e6bb6f696c40 Mon Sep 17 00:00:00 2001 From: "Dr. Stephen Henson" Date: Fri, 15 Jun 2012 12:46:09 +0000 Subject: [PATCH] Initial record tracing code. Print out all fields in SSL/TLS records for debugging purposes. Needs "enable-ssl-trace" configuration option. --- CHANGES | 6 + Configure | 1 + apps/s_client.c | 24 +- apps/s_server.c | 33 +- ssl/Makefile | 4 +- ssl/ssl.h | 5 + ssl/t1_trce.c | 1220 +++++++++++++++++++++++++++++++++++++++++++++++ 7 files changed, 1285 insertions(+), 8 deletions(-) create mode 100644 ssl/t1_trce.c diff --git a/CHANGES b/CHANGES index 9bdac6226d..801b604a8f 100644 --- a/CHANGES +++ b/CHANGES @@ -4,6 +4,12 @@ Changes between 1.0.1 and 1.1.0 [xx XXX xxxx] + *) Initial SSL tracing code. This parses out SSL/TLS records using the + message callback and prints the results. Needs compile time option + "enable-ssl-trace". New options to s_client and s_server to enable + tracing. + [Steve Henson] + *) New functions to retrieve certificate signature and signature OID NID. [Steve Henson] diff --git a/Configure b/Configure index f169746ddf..7c9403f0bf 100755 --- a/Configure +++ b/Configure @@ -715,6 +715,7 @@ my %disabled = ( # "what" => "comment" [or special keyword "experimental "rfc3779" => "default", "sctp" => "default", "shared" => "default", + "ssl-trace" => "default", "store" => "experimental", "zlib" => "default", "zlib-dynamic" => "default" diff --git a/apps/s_client.c b/apps/s_client.c index 556563e14d..578b541b13 100644 --- a/apps/s_client.c +++ b/apps/s_client.c @@ -217,6 +217,7 @@ static int ocsp_resp_cb(SSL *s, void *arg); static int audit_proof_cb(SSL *s, void *arg); #endif static BIO *bio_c_out=NULL; +static BIO *bio_c_msg=NULL; static int c_quiet=0; static int c_ign_eof=0; @@ -743,6 +744,15 @@ int MAIN(int argc, char **argv) #endif else if (strcmp(*argv,"-msg") == 0) c_msg=1; + else if (strcmp(*argv,"-msgfile") == 0) + { + if (--argc < 1) goto bad; + bio_c_msg = BIO_new_file(*(++argv), "w"); + } +#ifndef OPENSSL_NO_SSL_TRACE + else if (strcmp(*argv,"-trace") == 0) + c_msg=2; +#endif else if (strcmp(*argv,"-showcerts") == 0) c_showcerts=1; else if (strcmp(*argv,"-nbio_test") == 0) @@ -1348,8 +1358,13 @@ re_start: } if (c_msg) { - SSL_set_msg_callback(con, msg_cb); - SSL_set_msg_callback_arg(con, bio_c_out); +#ifndef OPENSSL_NO_SSL_TRACE + if (c_msg == 2) + SSL_set_msg_callback(con, SSL_trace); + else +#endif + SSL_set_msg_callback(con, msg_cb); + SSL_set_msg_callback_arg(con, bio_c_msg ? bio_c_msg : bio_c_out); } #ifndef OPENSSL_NO_TLSEXT if (c_tlsextdebug) @@ -1926,6 +1941,11 @@ end: BIO_free(bio_c_out); bio_c_out=NULL; } + if (bio_c_msg != NULL) + { + BIO_free(bio_c_msg); + bio_c_msg=NULL; + } apps_shutdown(); OPENSSL_EXIT(ret); } diff --git a/apps/s_server.c b/apps/s_server.c index 7881083c2e..0305a264f9 100644 --- a/apps/s_server.c +++ b/apps/s_server.c @@ -288,6 +288,7 @@ static SSL_CTX *ctx2=NULL; static int www=0; static BIO *bio_s_out=NULL; +static BIO *bio_s_msg = NULL; static int s_debug=0; #ifndef OPENSSL_NO_TLSEXT static int s_tlsextdebug=0; @@ -1207,6 +1208,15 @@ int MAIN(int argc, char *argv[]) #endif else if (strcmp(*argv,"-msg") == 0) { s_msg=1; } + else if (strcmp(*argv,"-msgfile") == 0) + { + if (--argc < 1) goto bad; + bio_s_msg = BIO_new_file(*(++argv), "w"); + } +#ifndef OPENSSL_NO_SSL_TRACE + else if (strcmp(*argv,"-trace") == 0) + { s_msg=2; } +#endif else if (strcmp(*argv,"-hack") == 0) { hack=1; } else if (strcmp(*argv,"-state") == 0) @@ -2004,6 +2014,11 @@ end: BIO_free(bio_s_out); bio_s_out=NULL; } + if (bio_s_msg != NULL) + { + BIO_free(bio_s_msg); + bio_s_msg = NULL; + } apps_shutdown(); OPENSSL_EXIT(ret); } @@ -2158,8 +2173,13 @@ static int sv_body(char *hostname, int s, unsigned char *context) } if (s_msg) { - SSL_set_msg_callback(con, msg_cb); - SSL_set_msg_callback_arg(con, bio_s_out); +#ifndef OPENSSL_NO_SSL_TRACE + if (s_msg == 2) + SSL_set_msg_callback(con, SSL_trace); + else +#endif + SSL_set_msg_callback(con, msg_cb); + SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out); } #ifndef OPENSSL_NO_TLSEXT if (s_tlsextdebug) @@ -2712,8 +2732,13 @@ static int www_body(char *hostname, int s, unsigned char *context) } if (s_msg) { - SSL_set_msg_callback(con, msg_cb); - SSL_set_msg_callback_arg(con, bio_s_out); +#ifndef OPENSSL_NO_SSL_TRACE + if (s_msg == 2) + SSL_set_msg_callback(con, SSL_trace); + else +#endif + SSL_set_msg_callback(con, msg_cb); + SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out); } for (;;) diff --git a/ssl/Makefile b/ssl/Makefile index 63a2f96170..4ae661fca0 100644 --- a/ssl/Makefile +++ b/ssl/Makefile @@ -30,7 +30,7 @@ LIBSRC= \ ssl_lib.c ssl_err2.c ssl_cert.c ssl_sess.c \ ssl_ciph.c ssl_stat.c ssl_rsa.c \ ssl_asn1.c ssl_txt.c ssl_algs.c \ - bio_ssl.c ssl_err.c kssl.c t1_reneg.c tls_srp.c + bio_ssl.c ssl_err.c kssl.c t1_reneg.c tls_srp.c t1_trce.c LIBOBJ= \ s2_meth.o s2_srvr.o s2_clnt.o s2_lib.o s2_enc.o s2_pkt.o \ s3_meth.o s3_srvr.o s3_clnt.o s3_lib.o s3_enc.o s3_pkt.o s3_both.o \ @@ -41,7 +41,7 @@ LIBOBJ= \ ssl_lib.o ssl_err2.o ssl_cert.o ssl_sess.o \ ssl_ciph.o ssl_stat.o ssl_rsa.o \ ssl_asn1.o ssl_txt.o ssl_algs.o \ - bio_ssl.o ssl_err.o kssl.o t1_reneg.o tls_srp.o + bio_ssl.o ssl_err.o kssl.o t1_reneg.o tls_srp.o t1_trce.o SRC= $(LIBSRC) diff --git a/ssl/ssl.h b/ssl/ssl.h index 42bc51ea40..17bdc5a69c 100644 --- a/ssl/ssl.h +++ b/ssl/ssl.h @@ -2136,6 +2136,11 @@ void SSL_set_not_resumable_session_callback(SSL *ssl, void SSL_set_debug(SSL *s, int debug); int SSL_cache_hit(SSL *s); +#ifndef OPENSSL_NO_SSL_TRACE +void SSL_trace(int write_p, int version, int content_type, + const void *buf, size_t len, SSL *ssl, void *arg); +#endif + /* BEGIN ERROR CODES */ /* The following lines are auto generated by the script mkerr.pl. Any changes * made after this point may be overwritten when the script is next run. diff --git a/ssl/t1_trce.c b/ssl/t1_trce.c new file mode 100644 index 0000000000..4b3331bb62 --- /dev/null +++ b/ssl/t1_trce.c @@ -0,0 +1,1220 @@ +/* ssl/t1_trce.c */ +/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL + * project. + */ +/* ==================================================================== + * Copyright (c) 2012 The OpenSSL Project. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * 3. All advertising materials mentioning features or use of this + * software must display the following acknowledgment: + * "This product includes software developed by the OpenSSL Project + * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" + * + * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to + * endorse or promote products derived from this software without + * prior written permission. For written permission, please contact + * licensing@OpenSSL.org. + * + * 5. Products derived from this software may not be called "OpenSSL" + * nor may "OpenSSL" appear in their names without prior written + * permission of the OpenSSL Project. + * + * 6. Redistributions of any form whatsoever must retain the following + * acknowledgment: + * "This product includes software developed by the OpenSSL Project + * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" + * + * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY + * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR + * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED + * OF THE POSSIBILITY OF SUCH DAMAGE. + * ==================================================================== + * + */ + +#include "ssl_locl.h" + +#ifndef OPENSSL_NO_SSL_TRACE + +/* Packet trace support for OpenSSL */ + +typedef struct + { + int num; + const char *name; + } ssl_trace_tbl; + +#define ssl_trace_str(val, tbl) \ + do_ssl_trace_str(val, tbl, sizeof(tbl)/sizeof(ssl_trace_tbl)) + +#define ssl_trace_list(bio, indent, msg, msglen, value, table) \ + do_ssl_trace_list(bio, indent, msg, msglen, value, \ + table, sizeof(table)/sizeof(ssl_trace_tbl)) + + +static const char *do_ssl_trace_str(int val, ssl_trace_tbl *tbl, size_t ntbl) + { + size_t i; + for (i = 0; i < ntbl; i++, tbl++) + { + if (tbl->num == val) + return tbl->name; + } + return "UNKNOWN"; + } + +static int do_ssl_trace_list(BIO *bio, int indent, + const unsigned char *msg, size_t msglen, + size_t vlen, ssl_trace_tbl *tbl, size_t ntbl) + { + int val; + if (msglen%vlen) + return 0; + while(msglen) + { + val = msg[0]; + if (vlen == 2) + val = (val << 8) | msg[1]; + BIO_indent(bio, indent, 80); + BIO_printf(bio, "%s (%d)\n", + do_ssl_trace_str(val, tbl, ntbl), val); + msg += vlen; + msglen -= vlen; + } + return 1; + } + +/* Version number */ + +static ssl_trace_tbl ssl_version_tbl[] = { + {SSL2_VERSION, "SSL 2.0"}, + {SSL3_VERSION, "SSL 3.0"}, + {TLS1_VERSION, "TLS 1.0"}, + {TLS1_1_VERSION, "TLS 1.1"}, + {TLS1_2_VERSION, "TLS 1.2"}, + {DTLS1_VERSION, "DTLS 1.0"}, + {DTLS1_BAD_VER, "DTLS 1.0 (bad)"} +}; + +static ssl_trace_tbl ssl_content_tbl[] = { + {SSL3_RT_CHANGE_CIPHER_SPEC, "ChangeCipherSpec"}, + {SSL3_RT_ALERT, "Alert"}, + {SSL3_RT_HANDSHAKE, "Handshake"}, + {SSL3_RT_APPLICATION_DATA, "ApplicationData"}, + {TLS1_RT_HEARTBEAT, "HeartBeat"} +}; +/* Handshake types */ +static ssl_trace_tbl ssl_handshake_tbl[] = { + {SSL3_MT_HELLO_REQUEST, "HelloRequest"}, + {SSL3_MT_CLIENT_HELLO, "ClientHello"}, + {SSL3_MT_SERVER_HELLO, "ServerHello"}, + {DTLS1_MT_HELLO_VERIFY_REQUEST, "HelloVerifyRequest"}, + {SSL3_MT_NEWSESSION_TICKET, "NewSessionTicket"}, + {SSL3_MT_CERTIFICATE, "Certificate"}, + {SSL3_MT_SERVER_KEY_EXCHANGE, "ServerKeyExchange"}, + {SSL3_MT_CERTIFICATE_REQUEST, "CertificateRequest"}, + {SSL3_MT_CLIENT_KEY_EXCHANGE, "ClientKeyExchange"}, + {SSL3_MT_CERTIFICATE_STATUS, "CertificateStatus"}, + {SSL3_MT_SERVER_DONE, "ServerHelloDone"}, + {SSL3_MT_CERTIFICATE_VERIFY, "CertificateVerify"}, + {SSL3_MT_CLIENT_KEY_EXCHANGE, "ClientKeyExchange"}, + {SSL3_MT_FINISHED, "Finished"}, + {SSL3_MT_CERTIFICATE_STATUS, "CertificateStatus"} +}; +/* Cipher suites */ +static ssl_trace_tbl ssl_ciphers_tbl[] = { + {0x0000, "SSL_NULL_WITH_NULL_NULL"}, + {0x0001, "SSL_RSA_WITH_NULL_MD5"}, + {0x0002, "SSL_RSA_WITH_NULL_SHA"}, + {0x0003, "SSL_RSA_EXPORT_WITH_RC4_40_MD5"}, + {0x0004, "SSL_RSA_WITH_RC4_128_MD5"}, + {0x0005, "SSL_RSA_WITH_RC4_128_SHA"}, + {0x0006, "SSL_RSA_EXPORT_WITH_RC2_CBC_40_MD5"}, + {0x0007, "SSL_RSA_WITH_IDEA_CBC_SHA"}, + {0x0008, "SSL_RSA_EXPORT_WITH_DES40_CBC_SHA"}, + {0x0009, "SSL_RSA_WITH_DES_CBC_SHA"}, + {0x000A, "SSL_RSA_WITH_3DES_EDE_CBC_SHA"}, + {0x000B, "SSL_DH_DSS_EXPORT_WITH_DES40_CBC_SHA"}, + {0x000C, "SSL_DH_DSS_WITH_DES_CBC_SHA"}, + {0x000D, "SSL_DH_DSS_WITH_3DES_EDE_CBC_SHA"}, + {0x000E, "SSL_DH_RSA_EXPORT_WITH_DES40_CBC_SHA"}, + {0x000F, "SSL_DH_RSA_WITH_DES_CBC_SHA"}, + {0x0010, "SSL_DH_RSA_WITH_3DES_EDE_CBC_SHA"}, + {0x0011, "SSL_DHE_DSS_EXPORT_WITH_DES40_CBC_SHA"}, + {0x0012, "SSL_DHE_DSS_WITH_DES_CBC_SHA"}, + {0x0013, "SSL_DHE_DSS_WITH_3DES_EDE_CBC_SHA"}, + {0x0014, "SSL_DHE_RSA_EXPORT_WITH_DES40_CBC_SHA"}, + {0x0015, "SSL_DHE_RSA_WITH_DES_CBC_SHA"}, + {0x0016, "SSL_DHE_RSA_WITH_3DES_EDE_CBC_SHA"}, + {0x0017, "SSL_DH_anon_EXPORT_WITH_RC4_40_MD5"}, + {0x0018, "SSL_DH_anon_WITH_RC4_128_MD5"}, + {0x0019, "SSL_DH_anon_EXPORT_WITH_DES40_CBC_SHA"}, + {0x001A, "SSL_DH_anon_WITH_DES_CBC_SHA"}, + {0x001B, "SSL_DH_anon_WITH_3DES_EDE_CBC_SHA"}, + {0x001D, "SSL_FORTEZZA_KEA_WITH_FORTEZZA_CBC_SHA"}, + {0x001E, "SSL_FORTEZZA_KEA_WITH_RC4_128_SHA"}, + {0x001F, "TLS_KRB5_WITH_3DES_EDE_CBC_SHA"}, + {0x0020, "TLS_KRB5_WITH_RC4_128_SHA"}, + {0x0021, "TLS_KRB5_WITH_IDEA_CBC_SHA"}, + {0x0022, "TLS_KRB5_WITH_DES_CBC_MD5"}, + {0x0023, "TLS_KRB5_WITH_3DES_EDE_CBC_MD5"}, + {0x0024, "TLS_KRB5_WITH_RC4_128_MD5"}, + {0x0025, "TLS_KRB5_WITH_IDEA_CBC_MD5"}, + {0x0026, "TLS_KRB5_EXPORT_WITH_DES_CBC_40_SHA"}, + {0x0027, "TLS_KRB5_EXPORT_WITH_RC2_CBC_40_SHA"}, + {0x0028, "TLS_KRB5_EXPORT_WITH_RC4_40_SHA"}, + {0x0029, "TLS_KRB5_EXPORT_WITH_DES_CBC_40_MD5"}, + {0x002A, "TLS_KRB5_EXPORT_WITH_RC2_CBC_40_MD5"}, + {0x002B, "TLS_KRB5_EXPORT_WITH_RC4_40_MD5"}, + {0x002F, "TLS_RSA_WITH_AES_128_CBC_SHA"}, + {0x0030, "TLS_DH_DSS_WITH_AES_128_CBC_SHA"}, + {0x0031, "TLS_DH_RSA_WITH_AES_128_CBC_SHA"}, + {0x0032, "TLS_DHE_DSS_WITH_AES_128_CBC_SHA"}, + {0x0033, "TLS_DHE_RSA_WITH_AES_128_CBC_SHA"}, + {0x0034, "TLS_DH_anon_WITH_AES_128_CBC_SHA"}, + {0x0035, "TLS_RSA_WITH_AES_256_CBC_SHA"}, + {0x0036, "TLS_DH_DSS_WITH_AES_256_CBC_SHA"}, + {0x0037, "TLS_DH_RSA_WITH_AES_256_CBC_SHA"}, + {0x0038, "TLS_DHE_DSS_WITH_AES_256_CBC_SHA"}, + {0x0039, "TLS_DHE_RSA_WITH_AES_256_CBC_SHA"}, + {0x003A, "TLS_DH_anon_WITH_AES_256_CBC_SHA"}, + {0x003B, "TLS_RSA_WITH_NULL_SHA256"}, + {0x003C, "TLS_RSA_WITH_AES_128_CBC_SHA256"}, + {0x003D, "TLS_RSA_WITH_AES_256_CBC_SHA256"}, + {0x003E, "TLS_DH_DSS_WITH_AES_128_CBC_SHA256"}, + {0x003F, "TLS_DH_RSA_WITH_AES_128_CBC_SHA256"}, + {0x0040, "TLS_DHE_DSS_WITH_AES_128_CBC_SHA256"}, + {0x0041, "TLS_RSA_WITH_CAMELLIA_128_CBC_SHA"}, + {0x0042, "TLS_DH_DSS_WITH_CAMELLIA_128_CBC_SHA"}, + {0x0043, "TLS_DH_RSA_WITH_CAMELLIA_128_CBC_SHA"}, + {0x0044, "TLS_DHE_DSS_WITH_CAMELLIA_128_CBC_SHA"}, + {0x0045, "TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA"}, + {0x0046, "TLS_DH_anon_WITH_CAMELLIA_128_CBC_SHA"}, + {0x0067, "TLS_DHE_RSA_WITH_AES_128_CBC_SHA256"}, + {0x0068, "TLS_DH_DSS_WITH_AES_256_CBC_SHA256"}, + {0x0069, "TLS_DH_RSA_WITH_AES_256_CBC_SHA256"}, + {0x006A, "TLS_DHE_DSS_WITH_AES_256_CBC_SHA256"}, + {0x006B, "TLS_DHE_RSA_WITH_AES_256_CBC_SHA256"}, + {0x006C, "TLS_DH_anon_WITH_AES_128_CBC_SHA256"}, + {0x006D, "TLS_DH_anon_WITH_AES_256_CBC_SHA256"}, + {0x0084, "TLS_RSA_WITH_CAMELLIA_256_CBC_SHA"}, + {0x0085, "TLS_DH_DSS_WITH_CAMELLIA_256_CBC_SHA"}, + {0x0086, "TLS_DH_RSA_WITH_CAMELLIA_256_CBC_SHA"}, + {0x0087, "TLS_DHE_DSS_WITH_CAMELLIA_256_CBC_SHA"}, + {0x0088, "TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA"}, + {0x0089, "TLS_DH_anon_WITH_CAMELLIA_256_CBC_SHA"}, + {0x008A, "TLS_PSK_WITH_RC4_128_SHA"}, + {0x008B, "TLS_PSK_WITH_3DES_EDE_CBC_SHA"}, + {0x008C, "TLS_PSK_WITH_AES_128_CBC_SHA"}, + {0x008D, "TLS_PSK_WITH_AES_256_CBC_SHA"}, + {0x008E, "TLS_DHE_PSK_WITH_RC4_128_SHA"}, + {0x008F, "TLS_DHE_PSK_WITH_3DES_EDE_CBC_SHA"}, + {0x0090, "TLS_DHE_PSK_WITH_AES_128_CBC_SHA"}, + {0x0091, "TLS_DHE_PSK_WITH_AES_256_CBC_SHA"}, + {0x0092, "TLS_RSA_PSK_WITH_RC4_128_SHA"}, + {0x0093, "TLS_RSA_PSK_WITH_3DES_EDE_CBC_SHA"}, + {0x0094, "TLS_RSA_PSK_WITH_AES_128_CBC_SHA"}, + {0x0095, "TLS_RSA_PSK_WITH_AES_256_CBC_SHA"}, + {0x0096, "TLS_RSA_WITH_SEED_CBC_SHA"}, + {0x0097, "TLS_DH_DSS_WITH_SEED_CBC_SHA"}, + {0x0098, "TLS_DH_RSA_WITH_SEED_CBC_SHA"}, + {0x0099, "TLS_DHE_DSS_WITH_SEED_CBC_SHA"}, + {0x009A, "TLS_DHE_RSA_WITH_SEED_CBC_SHA"}, + {0x009B, "TLS_DH_anon_WITH_SEED_CBC_SHA"}, + {0x009C, "TLS_RSA_WITH_AES_128_GCM_SHA256"}, + {0x009D, "TLS_RSA_WITH_AES_256_GCM_SHA384"}, + {0x009E, "TLS_DHE_RSA_WITH_AES_128_GCM_SHA256"}, + {0x009F, "TLS_DHE_RSA_WITH_AES_256_GCM_SHA384"}, + {0x00A0, "TLS_DH_RSA_WITH_AES_128_GCM_SHA256"}, + {0x00A1, "TLS_DH_RSA_WITH_AES_256_GCM_SHA384"}, + {0x00A2, "TLS_DHE_DSS_WITH_AES_128_GCM_SHA256"}, + {0x00A3, "TLS_DHE_DSS_WITH_AES_256_GCM_SHA384"}, + {0x00A4, "TLS_DH_DSS_WITH_AES_128_GCM_SHA256"}, + {0x00A5, "TLS_DH_DSS_WITH_AES_256_GCM_SHA384"}, + {0x00A6, "TLS_DH_anon_WITH_AES_128_GCM_SHA256"}, + {0x00A7, "TLS_DH_anon_WITH_AES_256_GCM_SHA384"}, + {0x00A8, "TLS_PSK_WITH_AES_128_GCM_SHA256"}, + {0x00A9, "TLS_PSK_WITH_AES_256_GCM_SHA384"}, + {0x00AA, "TLS_DHE_PSK_WITH_AES_128_GCM_SHA256"}, + {0x00AB, "TLS_DHE_PSK_WITH_AES_256_GCM_SHA384"}, + {0x00AC, "TLS_RSA_PSK_WITH_AES_128_GCM_SHA256"}, + {0x00AD, "TLS_RSA_PSK_WITH_AES_256_GCM_SHA384"}, + {0x00AE, "TLS_PSK_WITH_AES_128_CBC_SHA256"}, + {0x00AF, "TLS_PSK_WITH_AES_256_CBC_SHA384"}, + {0x00B0, "TLS_PSK_WITH_NULL_SHA256"}, + {0x00B1, "TLS_PSK_WITH_NULL_SHA384"}, + {0x00B2, "TLS_DHE_PSK_WITH_AES_128_CBC_SHA256"}, + {0x00B3, "TLS_DHE_PSK_WITH_AES_256_CBC_SHA384"}, + {0x00B4, "TLS_DHE_PSK_WITH_NULL_SHA256"}, + {0x00B5, "TLS_DHE_PSK_WITH_NULL_SHA384"}, + {0x00B6, "TLS_RSA_PSK_WITH_AES_128_CBC_SHA256"}, + {0x00B7, "TLS_RSA_PSK_WITH_AES_256_CBC_SHA384"}, + {0x00B8, "TLS_RSA_PSK_WITH_NULL_SHA256"}, + {0x00B9, "TLS_RSA_PSK_WITH_NULL_SHA384"}, + {0x00BA, "TLS_RSA_WITH_CAMELLIA_128_CBC_SHA256"}, + {0x00BB, "TLS_DH_DSS_WITH_CAMELLIA_128_CBC_SHA256"}, + {0x00BC, "TLS_DH_RSA_WITH_CAMELLIA_128_CBC_SHA256"}, + {0x00BD, "TLS_DHE_DSS_WITH_CAMELLIA_128_CBC_SHA256"}, + {0x00BE, "TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA256"}, + {0x00BF, "TLS_DH_anon_WITH_CAMELLIA_128_CBC_SHA256"}, + {0x00C0, "TLS_RSA_WITH_CAMELLIA_256_CBC_SHA256"}, + {0x00C1, "TLS_DH_DSS_WITH_CAMELLIA_256_CBC_SHA256"}, + {0x00C2, "TLS_DH_RSA_WITH_CAMELLIA_256_CBC_SHA256"}, + {0x00C3, "TLS_DHE_DSS_WITH_CAMELLIA_256_CBC_SHA256"}, + {0x00C4, "TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA256"}, + {0x00C5, "TLS_DH_anon_WITH_CAMELLIA_256_CBC_SHA256"}, + {0x00FF, "TLS_EMPTY_RENEGOTIATION_INFO_SCSV"}, + {0xC001, "TLS_ECDH_ECDSA_WITH_NULL_SHA"}, + {0xC002, "TLS_ECDH_ECDSA_WITH_RC4_128_SHA"}, + {0xC003, "TLS_ECDH_ECDSA_WITH_3DES_EDE_CBC_SHA"}, + {0xC004, "TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA"}, + {0xC005, "TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA"}, + {0xC006, "TLS_ECDHE_ECDSA_WITH_NULL_SHA"}, + {0xC007, "TLS_ECDHE_ECDSA_WITH_RC4_128_SHA"}, + {0xC008, "TLS_ECDHE_ECDSA_WITH_3DES_EDE_CBC_SHA"}, + {0xC009, "TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA"}, + {0xC00A, "TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA"}, + {0xC00B, "TLS_ECDH_RSA_WITH_NULL_SHA"}, + {0xC00C, "TLS_ECDH_RSA_WITH_RC4_128_SHA"}, + {0xC00D, "TLS_ECDH_RSA_WITH_3DES_EDE_CBC_SHA"}, + {0xC00E, "TLS_ECDH_RSA_WITH_AES_128_CBC_SHA"}, + {0xC00F, "TLS_ECDH_RSA_WITH_AES_256_CBC_SHA"}, + {0xC010, "TLS_ECDHE_RSA_WITH_NULL_SHA"}, + {0xC011, "TLS_ECDHE_RSA_WITH_RC4_128_SHA"}, + {0xC012, "TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA"}, + {0xC013, "TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA"}, + {0xC014, "TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA"}, + {0xC015, "TLS_ECDH_anon_WITH_NULL_SHA"}, + {0xC016, "TLS_ECDH_anon_WITH_RC4_128_SHA"}, + {0xC017, "TLS_ECDH_anon_WITH_3DES_EDE_CBC_SHA"}, + {0xC018, "TLS_ECDH_anon_WITH_AES_128_CBC_SHA"}, + {0xC019, "TLS_ECDH_anon_WITH_AES_256_CBC_SHA"}, + {0xC01A, "TLS_SRP_SHA_WITH_3DES_EDE_CBC_SHA"}, + {0xC01B, "TLS_SRP_SHA_RSA_WITH_3DES_EDE_CBC_SHA"}, + {0xC01C, "TLS_SRP_SHA_DSS_WITH_3DES_EDE_CBC_SHA"}, + {0xC01D, "TLS_SRP_SHA_WITH_AES_128_CBC_SHA"}, + {0xC01E, "TLS_SRP_SHA_RSA_WITH_AES_128_CBC_SHA"}, + {0xC01F, "TLS_SRP_SHA_DSS_WITH_AES_128_CBC_SHA"}, + {0xC020, "TLS_SRP_SHA_WITH_AES_256_CBC_SHA"}, + {0xC021, "TLS_SRP_SHA_RSA_WITH_AES_256_CBC_SHA"}, + {0xC022, "TLS_SRP_SHA_DSS_WITH_AES_256_CBC_SHA"}, + {0xC023, "TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256"}, + {0xC024, "TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384"}, + {0xC025, "TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA256"}, + {0xC026, "TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA384"}, + {0xC027, "TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256"}, + {0xC028, "TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384"}, + {0xC029, "TLS_ECDH_RSA_WITH_AES_128_CBC_SHA256"}, + {0xC02A, "TLS_ECDH_RSA_WITH_AES_256_CBC_SHA384"}, + {0xC02B, "TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256"}, + {0xC02C, "TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384"}, + {0xC02D, "TLS_ECDH_ECDSA_WITH_AES_128_GCM_SHA256"}, + {0xC02E, "TLS_ECDH_ECDSA_WITH_AES_256_GCM_SHA384"}, + {0xC02F, "TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256"}, + {0xC030, "TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384"}, + {0xC031, "TLS_ECDH_RSA_WITH_AES_128_GCM_SHA256"}, + {0xC032, "TLS_ECDH_RSA_WITH_AES_256_GCM_SHA384"}, + {0xFEFE, "SSL_RSA_FIPS_WITH_DES_CBC_SHA"}, + {0xFEFF, "SSL_RSA_FIPS_WITH_3DES_EDE_CBC_SHA"}, +}; +/* Compression methods */ +static ssl_trace_tbl ssl_comp_tbl[] = { + {0x0000, "No Compression"}, + {0x0001, "Zlib Compression"} +}; +/* Extensions */ +static ssl_trace_tbl ssl_exts_tbl[] = { + {TLSEXT_TYPE_server_name, "server_name"}, + {TLSEXT_TYPE_max_fragment_length, "max_fragment_length"}, + {TLSEXT_TYPE_client_certificate_url, "client_certificate_url"}, + {TLSEXT_TYPE_trusted_ca_keys, "trusted_ca_keys"}, + {TLSEXT_TYPE_truncated_hmac, "truncated_hmac"}, + {TLSEXT_TYPE_status_request, "status_request"}, + {TLSEXT_TYPE_user_mapping, "user_mapping"}, + {TLSEXT_TYPE_client_authz, "client_authz"}, + {TLSEXT_TYPE_server_authz, "server_authz"}, + {TLSEXT_TYPE_cert_type, "cert_type"}, + {TLSEXT_TYPE_elliptic_curves, "elliptic_curves"}, + {TLSEXT_TYPE_ec_point_formats, "ec_point_formats"}, + {TLSEXT_TYPE_srp, "srp"}, + {TLSEXT_TYPE_signature_algorithms, "signature_algorithms"}, + {TLSEXT_TYPE_use_srtp, "use_srtp"}, + {TLSEXT_TYPE_heartbeat, "heartbeat"}, + {TLSEXT_TYPE_session_ticket, "session_ticket"}, +#ifdef TLSEXT_TYPE_opaque_prf_input + {TLSEXT_TYPE_opaque_prf_input, "opaque_prf_input"}, +#endif + {TLSEXT_TYPE_renegotiate, "renegotiate"}, + {TLSEXT_TYPE_next_proto_neg, "next_proto_neg"} +}; + +static ssl_trace_tbl ssl_curve_tbl[] = { + {1, "sect163k1 (K-163)"}, + {2, "sect163r1"}, + {3, "sect163r2 (B-163)"}, + {4, "sect193r1"}, + {5, "sect193r2"}, + {6, "sect233k1 (K-233)"}, + {7, "sect233r1 (B-233)"}, + {8, "sect239k1"}, + {9, "sect283k1 (K-283)"}, + {10, "sect283r1 (B-283)"}, + {11, "sect409k1 (K-409)"}, + {12, "sect409r1 (B-409)"}, + {13, "sect571k1 (K-571)"}, + {14, "sect571r1 (B-571)"}, + {15, "secp160k1"}, + {16, "secp160r1"}, + {17, "secp160r2"}, + {18, "secp192k1"}, + {19, "secp192r1 (P-192)"}, + {20, "secp224k1"}, + {21, "secp224r1 (P-224)"}, + {22, "secp256k1"}, + {23, "secp256r1 (P-256)"}, + {24, "secp384r1 (P-384)"}, + {25, "secp521r1 (P-521)"}, + {0xFF01, "arbitrary_explicit_prime_curves"}, + {0xFF02, "arbitrary_explicit_char2_curves"} +}; + +static ssl_trace_tbl ssl_point_tbl[] = { + {0, "uncompressed"}, + {1, "ansiX962_compressed_prime"}, + {2, "ansiX962_compressed_char2"} +}; + +static ssl_trace_tbl ssl_md_tbl[] = { + {0, "none"}, + {1, "md5"}, + {2, "sha1"}, + {3, "sha224"}, + {4, "sha256"}, + {5, "sha384"}, + {6, "sha512"} +}; + +static ssl_trace_tbl ssl_sig_tbl[] = { + {0, "anonymous"}, + {1, "rsa"}, + {2, "dsa"}, + {3, "ecdsa"} +}; + +static ssl_trace_tbl ssl_hb_tbl[] = { + {1, "peer_allowed_to_send"}, + {2, "peer_not_allowed_to_send"} +}; + +static ssl_trace_tbl ssl_hb_type_tbl[] = { + {1, "heartbeat_request"}, + {2, "heartbeat_response"} +}; + +static ssl_trace_tbl ssl_ctype_tbl[] = { + {1, "rsa_sign"}, + {2, "dss_sign"}, + {3, "rsa_fixed_dh"}, + {4, "dss_fixed_dh"}, + {5, "rsa_ephemeral_dh"}, + {6, "dss_ephemeral_dh"}, + {20, "fortezza_dms"}, + {64, "ecdsa_sign"}, + {65, "rsa_fixed_ecdh"}, + {66, "ecdsa_fixed_ecdh"} +}; + +static void ssl_print_hex(BIO *bio, int indent, const char *name, + const unsigned char *msg, size_t msglen) + { + size_t i; + BIO_indent(bio, indent, 80); + BIO_printf(bio, "%s (len=%d): ", name, (int)msglen); + for (i = 0; i < msglen; i++) + BIO_printf(bio, "%02X", msg[i]); + BIO_puts(bio, "\n"); + } + +static int ssl_print_hexbuf(BIO *bio, int indent, + const char *name, size_t nlen, + const unsigned char **pmsg, size_t *pmsglen) + { + size_t blen; + const unsigned char *p = *pmsg; + if (*pmsglen < nlen) + return 0; + blen = p[0]; + if (nlen > 1) + blen = (blen << 8)|p[1]; + if (*pmsglen < nlen + blen) + return 0; + p += nlen; + ssl_print_hex(bio, indent, name, p, blen); + *pmsg += blen + nlen; + *pmsglen -= blen + nlen; + return 1; + } + + + +static int ssl_print_version(BIO *bio, int indent, const char *name, + const unsigned char **pmsg, size_t *pmsglen) + { + int vers; + if (*pmsglen < 2) + return 0; + vers = ((*pmsg)[0] << 8) | (*pmsg)[1]; + BIO_indent(bio, indent, 80); + BIO_printf(bio, "%s=0x%x (%s)\n", + name, vers, + ssl_trace_str(vers, ssl_version_tbl)); + *pmsg += 2; + *pmsglen -= 2; + return 1; + } + +static int ssl_print_random(BIO *bio, int indent, + const unsigned char **pmsg, size_t *pmsglen) + { + unsigned int tm; + const unsigned char *p = *pmsg; + if (*pmsglen < 32) + return 0; + tm = (p[0] << 24) | (p[1] << 16) | (p[2] << 8) | p[3]; + p += 4; + BIO_indent(bio, indent, 80); + BIO_puts(bio, "Random:\n"); + BIO_indent(bio, indent + 2, 80); + BIO_printf(bio, "gmt_unix_time=0x%08X\n", tm); + ssl_print_hex(bio, indent + 2, "random_bytes", p, 28); + *pmsg += 32; + *pmsglen -= 32; + return 1; + } + +static int ssl_print_signature(BIO *bio, int indent, SSL *s, + const unsigned char **pmsg, size_t *pmsglen) + { + if (*pmsglen < 2) + return 0; + if (TLS1_get_version(s) >= TLS1_2_VERSION) + { + const unsigned char *p = *pmsg; + BIO_indent(bio, indent, 80); + BIO_printf(bio, "Signature Algorithm %s+%s (%d+%d)\n", + ssl_trace_str(p[0], ssl_md_tbl), + ssl_trace_str(p[1], ssl_sig_tbl), + p[0], p[1]); + *pmsg += 2; + *pmsglen -= 2; + } + return ssl_print_hexbuf(bio, indent, "Signature", 2, pmsg, pmsglen); + } + +static int ssl_print_extension(BIO *bio, int indent, int server, int extype, + const unsigned char *ext, size_t extlen) + { + size_t xlen; + BIO_indent(bio, indent, 80); + BIO_printf(bio, "extension_type=%s(%d), length=%d\n", + ssl_trace_str(extype, ssl_exts_tbl), + extype, (int)extlen); + switch(extype) + { + case TLSEXT_TYPE_ec_point_formats: + if (extlen < 1) + return 0; + xlen = ext[0]; + if (extlen != xlen + 1) + return 0; + return ssl_trace_list(bio, indent + 2, + ext + 1, xlen, 1, ssl_point_tbl); + + case TLSEXT_TYPE_elliptic_curves: + if (extlen < 2) + return 0; + xlen = (ext[0] << 8) | ext[1]; + if (extlen != xlen + 2) + return 0; + return ssl_trace_list(bio, indent + 2, + ext + 2, xlen, 2, ssl_curve_tbl); + + case TLSEXT_TYPE_signature_algorithms: + + if (extlen < 2) + return 0; + xlen = (ext[0] << 8) | ext[1]; + if (extlen != xlen + 2) + return 0; + if (xlen & 1) + return 0; + ext += 2; + while(xlen > 0) + { + BIO_indent(bio, indent + 2, 80); + BIO_printf(bio, "%s+%s (%d+%d)\n", + ssl_trace_str(ext[0], ssl_md_tbl), + ssl_trace_str(ext[1], ssl_sig_tbl), + ext[0], ext[1]); + xlen-= 2; + ext+= 2; + } + break; + + case TLSEXT_TYPE_renegotiate: + if (extlen < 1) + return 0; + xlen = ext[0]; + if (xlen + 1 != extlen) + return 0; + ext++; + if (xlen) + { + if (server) + { + if (xlen & 1) + return 0; + xlen >>= 1; + } + ssl_print_hex(bio, indent + 4, "client_verify_data", + ext, xlen); + if (server) + { + ext += xlen; + ssl_print_hex(bio, indent + 4, + "server_verify_data", + ext, xlen); + } + } + else + { + BIO_indent(bio, indent + 4, 80); + BIO_puts(bio, "\n"); + } + break; + + case TLSEXT_TYPE_heartbeat: + if (extlen != 1) + return 0; + BIO_indent(bio, indent + 2, 80); + BIO_printf(bio, "HeartbeatMode: %s\n", + ssl_trace_str(ext[0], ssl_hb_tbl)); + break; + + case TLSEXT_TYPE_session_ticket: + if (extlen != 0) + ssl_print_hex(bio, indent + 4, "ticket", ext, extlen); + break; + + default: + BIO_dump_indent(bio, (char *)ext, extlen, indent + 2); + } + return 1; + } + +static int ssl_print_extensions(BIO *bio, int indent, int server, + const unsigned char *msg, size_t msglen) + { + size_t extslen; + BIO_indent(bio, indent, 80); + if (msglen == 0) + { + BIO_puts(bio, "No Extensions\n"); + return 1; + } + extslen = (msg[0] << 8) | msg[1]; + if (extslen != msglen - 2) + return 0; + msg += 2; + msglen = extslen; + BIO_printf(bio, "extensions, length = %d\n", (int)msglen); + while (msglen > 0) + { + int extype; + size_t extlen; + if (msglen < 4) + return 0; + extype = (msg[0] << 8) | msg[1]; + extlen = (msg[2] << 8) | msg[3]; + if (msglen < extlen + 4) + return 0; + msg += 4; + if (!ssl_print_extension(bio, indent + 2, server, + extype, msg, extlen)) + return 0; + msg += extlen; + msglen -= extlen + 4; + } + return 1; + } + +static int ssl_print_client_hello(BIO *bio, int indent, + const unsigned char *msg, size_t msglen) + { + size_t len; + unsigned int cs; + if (!ssl_print_version(bio, indent, "client_version", &msg, &msglen)) + return 0; + if (!ssl_print_random(bio, indent, &msg, &msglen)) + return 0; + if (!ssl_print_hexbuf(bio, indent, "session_id", 1, &msg, &msglen)) + return 0; + if (msglen < 2) + return 0; + len = (msg[0] << 8) | msg[1]; + msg += 2; + msglen -= 2; + BIO_indent(bio, indent, 80); + BIO_printf(bio, "cipher_suites (len=%d)\n", (int)len); + if (msglen < len || len & 1) + return 0; + while(len > 0) + { + cs = (msg[0] << 8) | msg[1]; + BIO_indent(bio, indent + 2, 80); + BIO_printf(bio, "{0x%02X, 0x%02X} %s\n", + msg[0], msg[1], + ssl_trace_str(cs, ssl_ciphers_tbl)); + msg += 2; + msglen -= 2; + len -= 2; + } + if (msglen < 1) + return 0; + len = msg[0]; + msg++; + msglen--; + if (msglen < len) + return 0; + BIO_indent(bio, indent, 80); + BIO_printf(bio, "compression_methods (len=%d)\n", (int)len); + while(len > 0) + { + BIO_indent(bio, indent + 2, 80); + BIO_printf(bio, "%s (0x%02X)\n", + ssl_trace_str(msg[0], ssl_comp_tbl), + msg[0]); + msg++; + msglen--; + len--; + } + if (!ssl_print_extensions(bio, indent, 0, msg, msglen)) + return 0; + return 1; + } + +static int ssl_print_server_hello(BIO *bio, int indent, + const unsigned char *msg, size_t msglen) + { + unsigned int cs; + if (!ssl_print_version(bio, indent, "server_version", &msg, &msglen)) + return 0; + if (!ssl_print_random(bio, indent, &msg, &msglen)) + return 0; + if (!ssl_print_hexbuf(bio, indent, "session_id", 1, &msg, &msglen)) + return 0; + if (msglen < 2) + return 0; + cs = (msg[0] << 8) | msg[1]; + BIO_indent(bio, indent, 80); + BIO_printf(bio, "cipher_suite {0x%02X, 0x%02X} %s\n", + msg[0], msg[1], + ssl_trace_str(cs, ssl_ciphers_tbl)); + msg += 2; + msglen -= 2; + if (msglen < 1) + return 0; + BIO_indent(bio, indent, 80); + BIO_printf(bio, "compression_method: %s (0x%02X)\n", + ssl_trace_str(msg[0], ssl_comp_tbl), msg[0]); + msg++; + msglen--; + if (!ssl_print_extensions(bio, indent, 1, msg, msglen)) + return 0; + return 1; + } + +static int ssl_get_keyex(const char **pname, SSL *ssl) + { + unsigned long alg_k = ssl->s3->tmp.new_cipher->algorithm_mkey; + if (alg_k & SSL_kRSA) + { + *pname = "rsa"; + return SSL_kRSA; + } + if (alg_k & SSL_kDHr) + { + *pname = "dh_rsa"; + return SSL_kDHr; + } + if (alg_k & SSL_kDHr) + { + *pname = "dh_dss"; + return SSL_kDHd; + } + if (alg_k & SSL_kKRB5) + { + *pname = "krb5"; + return SSL_kKRB5; + } + if (alg_k & (SSL_kEDH|SSL_kDHr|SSL_kDHd)) + { + *pname = "edh"; + return SSL_kEDH; + } + if (alg_k & (SSL_kEECDH|SSL_kECDHr|SSL_kECDHe)) + { + *pname = "ECDH"; + return SSL_kEECDH; + } + if (alg_k & SSL_kPSK) + { + *pname = "PSK"; + return SSL_kPSK; + } + if (alg_k & SSL_kSRP) + { + *pname = "SRP"; + return SSL_kSRP; + } + if (alg_k & SSL_kGOST) + { + *pname = "GOST"; + return SSL_kGOST; + } + *pname = "UNKNOWN"; + return 0; + } + +static int ssl_print_client_keyex(BIO *bio, int indent, SSL *ssl, + const unsigned char *msg, size_t msglen) + { + const char *algname; + int id; + id = ssl_get_keyex(&algname, ssl); + BIO_indent(bio, indent, 80); + BIO_printf(bio, "KeyExchangeAlgorithm=%s\n", algname); + switch(id) + { + + case SSL_kRSA: + if (!ssl_print_hexbuf(bio, indent + 2, + "EncyptedPreMasterSecret", 2, + &msg, &msglen)) + return 0; + break; + + /* Implicit parameters only allowed for static DH */ + case SSL_kDHd: + case SSL_kDHr: + if (msglen == 0) + { + BIO_indent(bio, indent + 2, 80); + BIO_puts(bio, "implicit\n"); + break; + } + case SSL_kEDH: + if (!ssl_print_hexbuf(bio, indent + 2, "dh_Yc", 2, + &msg, &msglen)) + return 0; + break; + + case SSL_kEECDH: + if (!ssl_print_hexbuf(bio, indent + 2, "ecdh_Yc", 1, + &msg, &msglen)) + return 0; + break; + } + + return 1; + } + +static int ssl_print_server_keyex(BIO *bio, int indent, SSL *ssl, + const unsigned char *msg, size_t msglen) + { + const char *algname; + int id; + id = ssl_get_keyex(&algname, ssl); + BIO_indent(bio, indent, 80); + BIO_printf(bio, "KeyExchangeAlgorithm=%s\n", algname); + switch(id) + { + /* Should never happen */ + case SSL_kDHd: + case SSL_kDHr: + BIO_indent(bio, indent + 2, 80); + BIO_printf(bio, "Unexpected Message\n"); + break; + + case SSL_kRSA: + + if (!ssl_print_hexbuf(bio, indent + 2, "rsa_modulus", 2, + &msg, &msglen)) + return 0; + if (!ssl_print_hexbuf(bio, indent + 2, "rsa_exponent", 2, + &msg, &msglen)) + return 0; + break; + + case SSL_kEDH: + if (!ssl_print_hexbuf(bio, indent + 2, "dh_p", 2, + &msg, &msglen)) + return 0; + if (!ssl_print_hexbuf(bio, indent + 2, "dh_g", 2, + &msg, &msglen)) + return 0; + if (!ssl_print_hexbuf(bio, indent + 2, "dh_Ys", 2, + &msg, &msglen)) + return 0; + break; + + case SSL_kEECDH: + if (msglen < 1) + return 0; + BIO_indent(bio, indent + 2, 80); + if (msg[0] == EXPLICIT_PRIME_CURVE_TYPE) + BIO_puts(bio, "explicit_prime\n"); + else if (msg[0] == EXPLICIT_CHAR2_CURVE_TYPE) + BIO_puts(bio, "explicit_char2\n"); + else if (msg[0] == NAMED_CURVE_TYPE) + { + int curve; + if (msglen < 3) + return 0; + curve = (msg[1] << 8) | msg[2]; + BIO_printf(bio, "named_curve: %s (%d)\n", + ssl_trace_str(curve, ssl_curve_tbl), + curve); + msg += 3; + msglen -= 3; + if (!ssl_print_hexbuf(bio, indent + 2, "point", 1, + &msg, &msglen)) + return 0; + } + break; + } + return ssl_print_signature(bio, indent, ssl, &msg, &msglen); + } + +static int ssl_print_certificate(BIO *bio, int indent, + const unsigned char **pmsg, size_t *pmsglen) + { + size_t msglen = *pmsglen; + size_t clen; + X509 *x; + const unsigned char *p = *pmsg, *q; + if (msglen < 3) + return 0; + clen = (p[0] << 16) | (p[1] << 8) | p[2]; + if (msglen < clen + 3) + return 0; + q = p + 3; + BIO_indent(bio, indent, 80); + BIO_printf(bio, "ASN.1Cert, length=%d", (int)clen); + x = d2i_X509(NULL, &q, clen); + if (!x) + BIO_puts(bio, "\n"); + else + { + BIO_puts(bio, "\n------details-----\n"); + X509_print_ex(bio, x, XN_FLAG_ONELINE, 0); + PEM_write_bio_X509(bio, x); + /* Print certificate stuff */ + BIO_puts(bio, "------------------\n"); + X509_free(x); + } + if (q != p + 3 + clen) + { + BIO_puts(bio, "\n"); + } + *pmsg += clen + 3; + *pmsglen -= clen + 3; + return 1; + } + +static int ssl_print_certificates(BIO *bio, int indent, + const unsigned char *msg, size_t msglen) + { + size_t clen; + if (msglen < 3) + return 0; + clen = (msg[0] << 16) | (msg[1] << 8) | msg[2]; + if (msglen != clen + 3) + return 0; + msg += 3; + BIO_indent(bio, indent, 80); + BIO_printf(bio, "certificate_list, length=%d\n", (int)clen); + while (clen > 0) + { + if (!ssl_print_certificate(bio, indent + 2, &msg, &clen)) + return 0; + } + return 1; + } + +static int ssl_print_cert_request(BIO *bio, int indent, SSL *s, + const unsigned char *msg, size_t msglen) + { + size_t xlen; + if (msglen < 1) + return 0; + xlen = msg[0]; + if (msglen < xlen + 1) + return 0; + msg++; + BIO_indent(bio, indent, 80); + BIO_printf(bio, "certificate_types (len=%d)\n", (int)xlen); + if (!ssl_trace_list(bio, indent + 2, msg, xlen, 1, ssl_ctype_tbl)) + return 0; + msg += xlen; + msglen -= xlen + 1; + if (TLS1_get_version(s) < TLS1_2_VERSION) + goto skip_sig; + if (msglen < 2) + return 0; + xlen = (msg[0] << 8) | msg[1]; + if (msglen < xlen + 2 || (xlen & 1)) + return 0; + msg += 2; + BIO_indent(bio, indent, 80); + BIO_printf(bio, "signature_algorithms (len=%d)\n", (int)xlen); + while(xlen > 0) + { + BIO_indent(bio, indent + 2, 80); + BIO_printf(bio, "%s+%s (%d+%d)\n", + ssl_trace_str(msg[0], ssl_md_tbl), + ssl_trace_str(msg[1], ssl_sig_tbl), + msg[0], msg[1]); + xlen -= 2; + msg += 2; + } + msg += xlen; + msglen -= xlen + 2; + + skip_sig: + xlen = (msg[0] << 8) | msg[1]; + BIO_indent(bio, indent, 80); + if (msglen < xlen + 2) + return 0; + msg += 2; + msglen -= 2; + BIO_printf(bio, "certificate_authorities (len=%d)\n", (int)xlen); + while (xlen > 0) + { + size_t dlen; + X509_NAME *nm; + const unsigned char *p; + if (xlen < 2) + return 0; + dlen = (msg[0] << 8) | msg[1]; + if (xlen < dlen + 2) + return 0; + msg += 2; + BIO_indent(bio, indent + 2, 80); + BIO_printf(bio, "DistinguishedName (len=%d): ", (int)dlen); + p = msg; + nm = d2i_X509_NAME(NULL, &p, dlen); + if (!nm) + { + BIO_puts(bio, "\n"); + } + else + { + X509_NAME_print_ex(bio, nm, 0, XN_FLAG_ONELINE); + BIO_puts(bio, "\n"); + X509_NAME_free(nm); + } + xlen -= dlen + 2; + msg += dlen; + } + return 1; + } + +static int ssl_print_ticket(BIO *bio, int indent, + const unsigned char *msg, size_t msglen) + { + unsigned int tick_life; + if (msglen == 0) + { + BIO_indent(bio, indent + 2, 80); + BIO_puts(bio, "No Ticket\n"); + return 1; + } + if (msglen < 4) + return 0; + tick_life = (msg[0] << 24) | (msg[1] << 16) | (msg[2] << 8) | msg[3]; + msglen -= 4; + msg += 4; + BIO_indent(bio, indent + 2, 80); + BIO_printf(bio, "ticket_lifetime_hint=%u\n", tick_life); + if (!ssl_print_hexbuf(bio, indent + 2, "ticket", 2, &msg, &msglen)) + return 0; + if (msglen) + return 0; + return 1; + } + +static int ssl_print_handshake(BIO *bio, SSL *ssl, + const unsigned char *msg, size_t msglen, + int indent) + { + size_t hlen; + unsigned char htype; + if (msglen < 4) + return 0; + htype = msg[0]; + hlen = (msg[1] << 16) | (msg[2] << 8) | msg[3]; + BIO_indent(bio, indent, 80); + BIO_printf(bio, "%s, Length=%d\n", + ssl_trace_str(htype, ssl_handshake_tbl), + (int)hlen); + msg += 4; + msglen -= 4; + if (msglen < hlen) + return 0; + switch(htype) + { + case SSL3_MT_CLIENT_HELLO: + if (!ssl_print_client_hello(bio, indent + 2, msg, msglen)) + return 0; + break; + + case SSL3_MT_SERVER_HELLO: + if (!ssl_print_server_hello(bio, indent + 2, msg, msglen)) + return 0; + break; + + case SSL3_MT_SERVER_KEY_EXCHANGE: + if (!ssl_print_server_keyex(bio, indent + 2, ssl, msg, msglen)) + return 0; + break; + + case SSL3_MT_CLIENT_KEY_EXCHANGE: + if (!ssl_print_client_keyex(bio, indent + 2, ssl, msg, msglen)) + return 0; + break; + + case SSL3_MT_CERTIFICATE: + if (!ssl_print_certificates(bio, indent + 2, msg, msglen)) + return 0; + break; + + case SSL3_MT_CERTIFICATE_VERIFY: + if (!ssl_print_signature(bio, indent + 2, ssl, &msg, &msglen)) + return 0; + break; + + case SSL3_MT_CERTIFICATE_REQUEST: + if (!ssl_print_cert_request(bio, indent + 2, ssl, msg, msglen)) + return 0; + break; + + case SSL3_MT_FINISHED: + ssl_print_hex(bio, indent + 2, "verify_data", msg, msglen); + break; + + case SSL3_MT_SERVER_DONE: + if (msglen != 0) + ssl_print_hex(bio, indent + 2, "unexpected value", + msg, msglen); + break; + + case SSL3_MT_NEWSESSION_TICKET: + if (!ssl_print_ticket(bio, indent + 2, msg, msglen)) + return 0; + break; + + default: + BIO_indent(bio, indent + 2, 80); + BIO_puts(bio, "Unsupported, hex dump follows:\n"); + BIO_dump_indent(bio, (char *)msg, msglen, indent + 4); + } + return 1; + } + +static int ssl_print_heartbeat(BIO *bio, int indent, + const unsigned char *msg, size_t msglen) + { + if (msglen < 3) + return 0; + BIO_indent(bio, indent, 80); + BIO_printf(bio, "HeartBeatMessageType: %s\n", + ssl_trace_str(msg[0], ssl_hb_type_tbl)); + msg++; + msglen--; + if (!ssl_print_hexbuf(bio, indent, "payload", 2, &msg, &msglen)) + return 0; + ssl_print_hex(bio, indent, "padding", msg, msglen); + return 1; + } + +void SSL_trace(int write_p, int version, int content_type, + const void *buf, size_t msglen, SSL *ssl, void *arg) + { + const unsigned char *msg = buf; + BIO *bio = arg; + + BIO_printf(bio, "%s Record: Version = %s (0x%x)", + write_p ? "Sent" : "Received", + ssl_trace_str(version, ssl_version_tbl), + version); + BIO_printf(bio, " Length=%d\n", (int)msglen); + BIO_printf(bio, " Content Type = %s (%d)\n", + ssl_trace_str(content_type, ssl_content_tbl), + content_type); + + switch (content_type) + { + case SSL3_RT_HANDSHAKE: + if (!ssl_print_handshake(bio, ssl, msg, msglen, 4)) + BIO_printf(bio, "Message length parse error!\n"); + break; + + case SSL3_RT_CHANGE_CIPHER_SPEC: + if (msglen == 1 && msg[0] == 1) + BIO_puts(bio, " change_cipher_spec (1)\n"); + else + ssl_print_hex(bio, 4, "unknown value", msg, msglen); + break; + + case SSL3_RT_ALERT: + if (msglen != 2) + BIO_puts(bio, " Illegal Alert Length\n"); + else + { + BIO_printf(bio," Level=%s(%d), description=%s(%d)\n", + SSL_alert_type_string_long(msg[0] << 8), + msg[0], + SSL_alert_desc_string_long(msg[1]), + msg[1]); + } + case TLS1_RT_HEARTBEAT: + ssl_print_heartbeat(bio, 4, msg, msglen); + break; + + } + + BIO_puts(bio, "\n"); + } + +#endif