2 * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010 Free Software
5 * Author: Simon Josefsson
7 * This file is part of GnuTLS.
9 * GnuTLS is free software; you can redistribute it and/or modify it
10 * under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 3 of the License, or
12 * (at your option) any later version.
14 * GnuTLS is distributed in the hope that it will be useful, but
15 * WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with GnuTLS; if not, write to the Free Software Foundation,
21 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
24 /* Parts copied from GnuTLS example programs. */
33 #include <sys/types.h>
35 #include <netinet/in.h>
36 #include <sys/socket.h>
38 #include <arpa/inet.h>
41 #include <gnutls/gnutls.h>
45 #include "ex-session-info.c"
46 #include "ex-x509-info.c"
52 tls_log_func (int level, const char *str)
54 fprintf (stderr, "%s |<%d>| %s", child ? "server" : "client", level, str);
57 /* A very basic TLS client, with anonymous authentication.
61 #define MSG "Hello TLS"
63 static unsigned char ca_pem[] =
64 "-----BEGIN CERTIFICATE-----\n"
65 "MIIB5zCCAVKgAwIBAgIERiYdJzALBgkqhkiG9w0BAQUwGTEXMBUGA1UEAxMOR251\n"
66 "VExTIHRlc3QgQ0EwHhcNMDcwNDE4MTMyOTExWhcNMDgwNDE3MTMyOTExWjAZMRcw\n"
67 "FQYDVQQDEw5HbnVUTFMgdGVzdCBDQTCBnDALBgkqhkiG9w0BAQEDgYwAMIGIAoGA\n"
68 "vuyYeh1vfmslnuggeEKgZAVmQ5ltSdUY7H25WGSygKMUYZ0KT74v8C780qtcNt9T\n"
69 "7EPH/N6RvB4BprdssgcQLsthR3XKA84jbjjxNCcaGs33lvOz8A1nf8p3hD+cKfRi\n"
70 "kfYSW2JazLrtCC4yRCas/SPOUxu78of+3HiTfFm/oXUCAwEAAaNDMEEwDwYDVR0T\n"
71 "AQH/BAUwAwEB/zAPBgNVHQ8BAf8EBQMDBwQAMB0GA1UdDgQWBBTpPBz7rZJu5gak\n"
72 "Viyi4cBTJ8jylTALBgkqhkiG9w0BAQUDgYEAiaIRqGfp1jPpNeVhABK60SU0KIAy\n"
73 "njuu7kHq5peUgYn8Jd9zNzExBOEp1VOipGsf6G66oQAhDFp2o8zkz7ZH71zR4HEW\n"
74 "KoX6n5Emn6DvcEH/9pAhnGxNHJAoS7czTKv/JDZJhkqHxyrE1fuLsg5Qv25DTw7+\n"
75 "PfqUpIhz5Bbm7J4=\n" "-----END CERTIFICATE-----\n";
76 const gnutls_datum_t ca = { ca_pem, sizeof (ca_pem) };
78 static unsigned char cert_pem[] =
79 "-----BEGIN CERTIFICATE-----\n"
80 "MIICHjCCAYmgAwIBAgIERiYdNzALBgkqhkiG9w0BAQUwGTEXMBUGA1UEAxMOR251\n"
81 "VExTIHRlc3QgQ0EwHhcNMDcwNDE4MTMyOTI3WhcNMDgwNDE3MTMyOTI3WjAdMRsw\n"
82 "GQYDVQQDExJHbnVUTFMgdGVzdCBjbGllbnQwgZwwCwYJKoZIhvcNAQEBA4GMADCB\n"
83 "iAKBgLtmQ/Xyxde2jMzF3/WIO7HJS2oOoa0gUEAIgKFPXKPQ+GzP5jz37AR2ExeL\n"
84 "ZIkiW8DdU3w77XwEu4C5KL6Om8aOoKUSy/VXHqLnu7czSZ/ju0quak1o/8kR4jKN\n"
85 "zj2AC41179gAgY8oBAOgIo1hBAf6tjd9IQdJ0glhaZiQo1ipAgMBAAGjdjB0MAwG\n"
86 "A1UdEwEB/wQCMAAwEwYDVR0lBAwwCgYIKwYBBQUHAwIwDwYDVR0PAQH/BAUDAweg\n"
87 "ADAdBgNVHQ4EFgQUTLkKm/odNON+3svSBxX+odrLaJEwHwYDVR0jBBgwFoAU6Twc\n"
88 "+62SbuYGpFYsouHAUyfI8pUwCwYJKoZIhvcNAQEFA4GBALujmBJVZnvaTXr9cFRJ\n"
89 "jpfc/3X7sLUsMvumcDE01ls/cG5mIatmiyEU9qI3jbgUf82z23ON/acwJf875D3/\n"
90 "U7jyOsBJ44SEQITbin2yUeJMIm1tievvdNXBDfW95AM507ShzP12sfiJkJfjjdhy\n"
91 "dc8Siq5JojruiMizAf0pA7in\n" "-----END CERTIFICATE-----\n";
92 const gnutls_datum_t cert = { cert_pem, sizeof (cert_pem) };
94 static unsigned char key_pem[] =
95 "-----BEGIN RSA PRIVATE KEY-----\n"
96 "MIICXAIBAAKBgQC7ZkP18sXXtozMxd/1iDuxyUtqDqGtIFBACIChT1yj0Phsz+Y8\n"
97 "9+wEdhMXi2SJIlvA3VN8O+18BLuAuSi+jpvGjqClEsv1Vx6i57u3M0mf47tKrmpN\n"
98 "aP/JEeIyjc49gAuNde/YAIGPKAQDoCKNYQQH+rY3fSEHSdIJYWmYkKNYqQIDAQAB\n"
99 "AoGADpmARG5CQxS+AesNkGmpauepiCz1JBF/JwnyiX6vEzUh0Ypd39SZztwrDxvF\n"
100 "PJjQaKVljml1zkJpIDVsqvHdyVdse8M+Qn6hw4x2p5rogdvhhIL1mdWo7jWeVJTF\n"
101 "RKB7zLdMPs3ySdtcIQaF9nUAQ2KJEvldkO3m/bRJFEp54k0CQQDYy+RlTmwRD6hy\n"
102 "7UtMjR0H3CSZJeQ8svMCxHLmOluG9H1UKk55ZBYfRTsXniqUkJBZ5wuV1L+pR9EK\n"
103 "ca89a+1VAkEA3UmBelwEv2u9cAU1QjKjmwju1JgXbrjEohK+3B5y0ESEXPAwNQT9\n"
104 "TrDM1m9AyxYTWLxX93dI5QwNFJtmbtjeBQJARSCWXhsoaDRG8QZrCSjBxfzTCqZD\n"
105 "ZXtl807ymCipgJm60LiAt0JLr4LiucAsMZz6+j+quQbSakbFCACB8SLV1QJBAKZQ\n"
106 "YKf+EPNtnmta/rRKKvySsi3GQZZN+Dt3q0r094XgeTsAqrqujVNfPhTMeP4qEVBX\n"
107 "/iVX2cmMTSh3w3z8MaECQEp0XJWDVKOwcTW6Ajp9SowtmiZ3YDYo1LF9igb4iaLv\n"
108 "sWZGfbnU3ryjvkb6YuFjgtzbZDZHWQCo8/cOtOBmPdk=\n"
109 "-----END RSA PRIVATE KEY-----\n";
110 const gnutls_datum_t key = { key_pem, sizeof (key_pem) };
112 #define EXPECT_RDN0 "GnuTLS test CA"
115 cert_callback (gnutls_session_t session,
116 const gnutls_datum_t * req_ca_rdn, int nreqs,
117 const gnutls_pk_algorithm_t * sign_algos,
118 int sign_algos_length, gnutls_retr2_st * st)
125 fail ("client: invoked to provide client cert, %d CA .\n", nreqs);
130 success ("client: invoked to provide client cert.\n");
132 result = gnutls_x509_dn_init (&dn);
135 fail ("client: could not initialize DN.\n");
139 result = gnutls_x509_dn_import (dn, req_ca_rdn);
142 gnutls_x509_ava_st val;
145 success ("client: imported DN.\n");
147 if (gnutls_x509_dn_get_rdn_ava (dn, 0, 0, &val) == 0)
150 success ("client: got RDN 0.\n");
152 if (val.value.size == strlen (EXPECT_RDN0)
153 && strncmp (val.value.data, EXPECT_RDN0, val.value.size) == 0)
156 success ("client: RND 0 correct.\n");
160 fail ("client: RND 0 bad: %.*s\n",
161 val.value.size, val.value.data);
167 fail ("client: could not retrieve RDN 0.\n");
171 gnutls_x509_dn_deinit (dn);
175 fail ("client: failed to parse RDN: %s\n", gnutls_strerror (result));
186 gnutls_session_t session;
187 char buffer[MAX_BUF + 1];
188 gnutls_certificate_credentials_t xcred;
190 gnutls_global_init ();
192 gnutls_global_set_log_function (tls_log_func);
194 gnutls_global_set_log_level (4711);
196 gnutls_certificate_allocate_credentials (&xcred);
198 /* sets the trusted cas file
200 gnutls_certificate_set_x509_trust_mem (xcred, &ca, GNUTLS_X509_FMT_PEM);
202 gnutls_certificate_set_retrieve_function (xcred, cert_callback);
204 /* Initialize TLS session
206 gnutls_init (&session, GNUTLS_CLIENT);
208 /* Use default priorities */
209 gnutls_set_default_priority (session);
211 /* put the x509 credentials to the current session
213 gnutls_credentials_set (session, GNUTLS_CRD_CERTIFICATE, xcred);
215 /* connect to the peer
219 gnutls_transport_set_ptr (session, (gnutls_transport_ptr_t) sd);
221 /* Perform the TLS handshake
223 ret = gnutls_handshake (session);
227 fail ("client: Handshake failed\n");
234 success ("client: Handshake was completed\n");
238 success ("client: TLS version is: %s\n",
239 gnutls_protocol_get_name (gnutls_protocol_get_version
242 /* see the Getting peer's information example */
244 print_info (session);
246 gnutls_record_send (session, MSG, strlen (MSG));
248 ret = gnutls_record_recv (session, buffer, MAX_BUF);
252 success ("client: Peer has closed the TLS connection\n");
257 fail ("client: Error: %s\n", gnutls_strerror (ret));
263 printf ("- Received %d bytes: ", ret);
264 for (ii = 0; ii < ret; ii++)
266 fputc (buffer[ii], stdout);
268 fputs ("\n", stdout);
271 gnutls_bye (session, GNUTLS_SHUT_RDWR);
277 gnutls_deinit (session);
279 gnutls_certificate_free_credentials (xcred);
281 gnutls_global_deinit ();
284 /* This is a sample TLS 1.0 echo server, using X.509 authentication.
287 #define SA struct sockaddr
289 #define PORT 5556 /* listen to 5556 port */
292 /* These are global */
293 gnutls_certificate_credentials_t x509_cred;
295 static gnutls_session_t
296 initialize_tls_session (void)
298 gnutls_session_t session;
300 gnutls_init (&session, GNUTLS_SERVER);
302 /* avoid calling all the priority functions, since the defaults
305 gnutls_set_default_priority (session);
307 gnutls_credentials_set (session, GNUTLS_CRD_CERTIFICATE, x509_cred);
309 /* request client certificate if any.
311 gnutls_certificate_server_set_request (session, GNUTLS_CERT_REQUEST);
313 gnutls_dh_set_prime_bits (session, DH_BITS);
318 static gnutls_dh_params_t dh_params;
321 generate_dh_params (void)
323 const gnutls_datum_t p3 = { (char *) pkcs3, strlen (pkcs3) };
324 /* Generate Diffie-Hellman parameters - for use with DHE
325 * kx algorithms. These should be discarded and regenerated
326 * once a day, once a week or once a month. Depending on the
327 * security requirements.
329 gnutls_dh_params_init (&dh_params);
330 return gnutls_dh_params_import_pkcs3 (dh_params, &p3, GNUTLS_X509_FMT_PEM);
333 int err, listen_sd, i;
335 struct sockaddr_in sa_serv;
336 struct sockaddr_in sa_cli;
339 gnutls_session_t session;
340 char buffer[MAX_BUF + 1];
344 static unsigned char server_cert_pem[] =
345 "-----BEGIN CERTIFICATE-----\n"
346 "MIICVjCCAcGgAwIBAgIERiYdMTALBgkqhkiG9w0BAQUwGTEXMBUGA1UEAxMOR251\n"
347 "VExTIHRlc3QgQ0EwHhcNMDcwNDE4MTMyOTIxWhcNMDgwNDE3MTMyOTIxWjA3MRsw\n"
348 "GQYDVQQKExJHbnVUTFMgdGVzdCBzZXJ2ZXIxGDAWBgNVBAMTD3Rlc3QuZ251dGxz\n"
349 "Lm9yZzCBnDALBgkqhkiG9w0BAQEDgYwAMIGIAoGA17pcr6MM8C6pJ1aqU46o63+B\n"
350 "dUxrmL5K6rce+EvDasTaDQC46kwTHzYWk95y78akXrJutsoKiFV1kJbtple8DDt2\n"
351 "DZcevensf9Op7PuFZKBroEjOd35znDET/z3IrqVgbtm2jFqab7a+n2q9p/CgMyf1\n"
352 "tx2S5Zacc1LWn9bIjrECAwEAAaOBkzCBkDAMBgNVHRMBAf8EAjAAMBoGA1UdEQQT\n"
353 "MBGCD3Rlc3QuZ251dGxzLm9yZzATBgNVHSUEDDAKBggrBgEFBQcDATAPBgNVHQ8B\n"
354 "Af8EBQMDB6AAMB0GA1UdDgQWBBTrx0Vu5fglyoyNgw106YbU3VW0dTAfBgNVHSME\n"
355 "GDAWgBTpPBz7rZJu5gakViyi4cBTJ8jylTALBgkqhkiG9w0BAQUDgYEAaFEPTt+7\n"
356 "bzvBuOf7+QmeQcn29kT6Bsyh1RHJXf8KTk5QRfwp6ogbp94JQWcNQ/S7YDFHglD1\n"
357 "AwUNBRXwd3riUsMnsxgeSDxYBfJYbDLeohNBsqaPDJb7XailWbMQKfAbFQ8cnOxg\n"
358 "rOKLUQRWJ0K3HyXRMhbqjdLIaQiCvQLuizo=\n" "-----END CERTIFICATE-----\n";
360 const gnutls_datum_t server_cert = { server_cert_pem,
361 sizeof (server_cert_pem)
364 static unsigned char server_key_pem[] =
365 "-----BEGIN RSA PRIVATE KEY-----\n"
366 "MIICXAIBAAKBgQDXulyvowzwLqknVqpTjqjrf4F1TGuYvkrqtx74S8NqxNoNALjq\n"
367 "TBMfNhaT3nLvxqResm62ygqIVXWQlu2mV7wMO3YNlx696ex/06ns+4VkoGugSM53\n"
368 "fnOcMRP/PciupWBu2baMWppvtr6far2n8KAzJ/W3HZLllpxzUtaf1siOsQIDAQAB\n"
369 "AoGAYAFyKkAYC/PYF8e7+X+tsVCHXppp8AoP8TEZuUqOZz/AArVlle/ROrypg5kl\n"
370 "8YunrvUdzH9R/KZ7saNZlAPLjZyFG9beL/am6Ai7q7Ma5HMqjGU8kTEGwD7K+lbG\n"
371 "iomokKMOl+kkbY/2sI5Czmbm+/PqLXOjtVc5RAsdbgvtmvkCQQDdV5QuU8jap8Hs\n"
372 "Eodv/tLJ2z4+SKCV2k/7FXSKWe0vlrq0cl2qZfoTUYRnKRBcWxc9o92DxK44wgPi\n"
373 "oMQS+O7fAkEA+YG+K9e60sj1K4NYbMPAbYILbZxORDecvP8lcphvwkOVUqbmxOGh\n"
374 "XRmTZUuhBrJhJKKf6u7gf3KWlPl6ShKEbwJASC118cF6nurTjuLf7YKARDjNTEws\n"
375 "qZEeQbdWYINAmCMj0RH2P0mvybrsXSOD5UoDAyO7aWuqkHGcCLv6FGG+qwJAOVqq\n"
376 "tXdUucl6GjOKKw5geIvRRrQMhb/m5scb+5iw8A4LEEHPgGiBaF5NtJZLALgWfo5n\n"
377 "hmC8+G8F0F78znQtPwJBANexu+Tg5KfOnzSILJMo3oXiXhf5PqXIDmbN0BKyCKAQ\n"
378 "LfkcEcUbVfmDaHpvzwY9VEaoMOKVLitETXdNSxVpvWM=\n"
379 "-----END RSA PRIVATE KEY-----\n";
381 const gnutls_datum_t server_key = { server_key_pem,
382 sizeof (server_key_pem)
390 listen_sd = socket (AF_INET, SOCK_STREAM, 0);
394 fail ("server: socket failed\n");
398 memset (&sa_serv, '\0', sizeof (sa_serv));
399 sa_serv.sin_family = AF_INET;
400 sa_serv.sin_addr.s_addr = INADDR_ANY;
401 sa_serv.sin_port = htons (PORT); /* Server Port number */
403 setsockopt (listen_sd, SOL_SOCKET, SO_REUSEADDR, (void *) &optval,
406 err = bind (listen_sd, (SA *) & sa_serv, sizeof (sa_serv));
410 fail ("server: bind failed\n");
414 err = listen (listen_sd, 1024);
418 fail ("server: listen failed\n");
423 success ("server: ready. Listening to port '%d'.\n", PORT);
429 /* this must be called once in the program
431 gnutls_global_init ();
433 gnutls_global_set_log_function (tls_log_func);
435 gnutls_global_set_log_level (4711);
437 gnutls_certificate_allocate_credentials (&x509_cred);
438 gnutls_certificate_set_x509_trust_mem (x509_cred, &ca, GNUTLS_X509_FMT_PEM);
440 gnutls_certificate_set_x509_key_mem (x509_cred, &server_cert, &server_key,
441 GNUTLS_X509_FMT_PEM);
444 success ("Launched, generating DH parameters...\n");
446 generate_dh_params ();
448 gnutls_certificate_set_dh_params (x509_cred, dh_params);
450 client_len = sizeof (sa_cli);
452 session = initialize_tls_session ();
454 sd = accept (listen_sd, (SA *) & sa_cli, &client_len);
457 success ("server: connection from %s, port %d\n",
458 inet_ntop (AF_INET, &sa_cli.sin_addr, topbuf,
459 sizeof (topbuf)), ntohs (sa_cli.sin_port));
461 gnutls_transport_set_ptr (session, (gnutls_transport_ptr_t) sd);
462 ret = gnutls_handshake (session);
466 gnutls_deinit (session);
467 fail ("server: Handshake has failed (%s)\n\n", gnutls_strerror (ret));
471 success ("server: Handshake was completed\n");
474 success ("server: TLS version is: %s\n",
475 gnutls_protocol_get_name (gnutls_protocol_get_version
478 /* see the Getting peer's information example */
480 print_info (session);
485 memset (buffer, 0, MAX_BUF + 1);
486 ret = gnutls_record_recv (session, buffer, MAX_BUF);
491 success ("server: Peer has closed the GnuTLS connection\n");
496 fail ("server: Received corrupted data(%d). Closing...\n", ret);
501 /* echo data back to the client
503 gnutls_record_send (session, buffer, strlen (buffer));
506 /* do not wait for the peer to close the connection.
508 gnutls_bye (session, GNUTLS_SHUT_WR);
511 gnutls_deinit (session);
515 gnutls_certificate_free_credentials (x509_cred);
517 gnutls_dh_params_deinit (dh_params);
519 gnutls_global_deinit ();
522 success ("server: finished\n");
548 #if defined WIFEXITED && defined WEXITSTATUS
549 if (WIFEXITED (status) && WEXITSTATUS (status))
551 fail ("server: client failed with exit status %d\n",
552 WEXITSTATUS (status));
556 #if defined WIFSIGNALED && defined WTERMSIG
557 if (WIFSIGNALED (status))
559 fail ("server: client failed with fatal signal %d\n",