tests/mini-record-2.c

   1 /*
   2  * Copyright (C) 2012 Free Software Foundation, Inc.
   3  *
   4  * Author: Nikos Mavrogiannopoulos
   5  *
   6  * This file is part of GnuTLS.
   7  *
   8  * GnuTLS is free software; you can redistribute it and/or modify it
   9  * under the terms of the GNU General Public License as published by
  10  * the Free Software Foundation; either version 3 of the License, or
  11  * (at your option) any later version.
  12  *
  13  * GnuTLS is distributed in the hope that it will be useful, but
  14  * WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  * General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with GnuTLS; if not, write to the Free Software Foundation,
  20  * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
  21  */
  22
  23 #ifdef HAVE_CONFIG_H
  24 #include <config.h>
  25 #endif
  26
  27 #include <stdio.h>
  28 #include <stdlib.h>
  29
  30 #if defined(_WIN32)
  31
  32 int main()
  33 {
  34         exit(77);
  35 }
  36
  37 #else
  38
  39 #include <string.h>
  40 #include <sys/types.h>
  41 #include <netinet/in.h>
  42 #include <sys/socket.h>
  43 #include <sys/wait.h>
  44 #include <arpa/inet.h>
  45 #include <unistd.h>
  46 #include <gnutls/gnutls.h>
  47 #include <gnutls/dtls.h>
  48 #include <signal.h>
  49
  50 #include "utils.h"
  51
  52 static void terminate(void);
  53
  54 /* This program tests the ability to transfer various data size
  55  * by the record layer, under different ciphersuites.
  56  */
  57
  58 static void server_log_func(int level, const char *str)
  59 {
  60         fprintf(stderr, "server|<%d>| %s", level, str);
  61 }
  62
  63 static void client_log_func(int level, const char *str)
  64 {
  65         fprintf(stderr, "client|<%d>| %s", level, str);
  66 }
  67
  68 static unsigned char server_cert_pem[] =
  69     "-----BEGIN CERTIFICATE-----\n"
  70     "MIICVjCCAcGgAwIBAgIERiYdMTALBgkqhkiG9w0BAQUwGTEXMBUGA1UEAxMOR251\n"
  71     "VExTIHRlc3QgQ0EwHhcNMDcwNDE4MTMyOTIxWhcNMDgwNDE3MTMyOTIxWjA3MRsw\n"
  72     "GQYDVQQKExJHbnVUTFMgdGVzdCBzZXJ2ZXIxGDAWBgNVBAMTD3Rlc3QuZ251dGxz\n"
  73     "Lm9yZzCBnDALBgkqhkiG9w0BAQEDgYwAMIGIAoGA17pcr6MM8C6pJ1aqU46o63+B\n"
  74     "dUxrmL5K6rce+EvDasTaDQC46kwTHzYWk95y78akXrJutsoKiFV1kJbtple8DDt2\n"
  75     "DZcevensf9Op7PuFZKBroEjOd35znDET/z3IrqVgbtm2jFqab7a+n2q9p/CgMyf1\n"
  76     "tx2S5Zacc1LWn9bIjrECAwEAAaOBkzCBkDAMBgNVHRMBAf8EAjAAMBoGA1UdEQQT\n"
  77     "MBGCD3Rlc3QuZ251dGxzLm9yZzATBgNVHSUEDDAKBggrBgEFBQcDATAPBgNVHQ8B\n"
  78     "Af8EBQMDB6AAMB0GA1UdDgQWBBTrx0Vu5fglyoyNgw106YbU3VW0dTAfBgNVHSME\n"
  79     "GDAWgBTpPBz7rZJu5gakViyi4cBTJ8jylTALBgkqhkiG9w0BAQUDgYEAaFEPTt+7\n"
  80     "bzvBuOf7+QmeQcn29kT6Bsyh1RHJXf8KTk5QRfwp6ogbp94JQWcNQ/S7YDFHglD1\n"
  81     "AwUNBRXwd3riUsMnsxgeSDxYBfJYbDLeohNBsqaPDJb7XailWbMQKfAbFQ8cnOxg\n"
  82     "rOKLUQRWJ0K3HyXRMhbqjdLIaQiCvQLuizo=\n" "-----END CERTIFICATE-----\n";
  83
  84 const gnutls_datum_t server_cert = { server_cert_pem,
  85         sizeof(server_cert_pem)
  86 };
  87
  88 static unsigned char server_key_pem[] =
  89     "-----BEGIN RSA PRIVATE KEY-----\n"
  90     "MIICXAIBAAKBgQDXulyvowzwLqknVqpTjqjrf4F1TGuYvkrqtx74S8NqxNoNALjq\n"
  91     "TBMfNhaT3nLvxqResm62ygqIVXWQlu2mV7wMO3YNlx696ex/06ns+4VkoGugSM53\n"
  92     "fnOcMRP/PciupWBu2baMWppvtr6far2n8KAzJ/W3HZLllpxzUtaf1siOsQIDAQAB\n"
  93     "AoGAYAFyKkAYC/PYF8e7+X+tsVCHXppp8AoP8TEZuUqOZz/AArVlle/ROrypg5kl\n"
  94     "8YunrvUdzH9R/KZ7saNZlAPLjZyFG9beL/am6Ai7q7Ma5HMqjGU8kTEGwD7K+lbG\n"
  95     "iomokKMOl+kkbY/2sI5Czmbm+/PqLXOjtVc5RAsdbgvtmvkCQQDdV5QuU8jap8Hs\n"
  96     "Eodv/tLJ2z4+SKCV2k/7FXSKWe0vlrq0cl2qZfoTUYRnKRBcWxc9o92DxK44wgPi\n"
  97     "oMQS+O7fAkEA+YG+K9e60sj1K4NYbMPAbYILbZxORDecvP8lcphvwkOVUqbmxOGh\n"
  98     "XRmTZUuhBrJhJKKf6u7gf3KWlPl6ShKEbwJASC118cF6nurTjuLf7YKARDjNTEws\n"
  99     "qZEeQbdWYINAmCMj0RH2P0mvybrsXSOD5UoDAyO7aWuqkHGcCLv6FGG+qwJAOVqq\n"
 100     "tXdUucl6GjOKKw5geIvRRrQMhb/m5scb+5iw8A4LEEHPgGiBaF5NtJZLALgWfo5n\n"
 101     "hmC8+G8F0F78znQtPwJBANexu+Tg5KfOnzSILJMo3oXiXhf5PqXIDmbN0BKyCKAQ\n"
 102     "LfkcEcUbVfmDaHpvzwY9VEaoMOKVLitETXdNSxVpvWM=\n"
 103     "-----END RSA PRIVATE KEY-----\n";
 104
 105 const gnutls_datum_t server_key = { server_key_pem,
 106         sizeof(server_key_pem)
 107 };
 108
 109
 110 /* A very basic TLS client, with anonymous authentication.
 111  */
 112
 113 #define MAX_BUF 24*1024
 114
 115 static void client(int fd, const char *prio, int ign)
 116 {
 117         int ret;
 118         unsigned i;
 119         char buffer[MAX_BUF + 1];
 120         const char* err;
 121         gnutls_anon_client_credentials_t anoncred;
 122         gnutls_certificate_credentials_t x509_cred;
 123         gnutls_session_t session;
 124         /* Need to enable anonymous KX specifically. */
 125
 126         global_init();
 127         memset(buffer, 2, sizeof(buffer));
 128
 129         if (debug) {
 130                 gnutls_global_set_log_function(client_log_func);
 131                 gnutls_global_set_log_level(7);
 132         }
 133
 134         gnutls_anon_allocate_client_credentials(&anoncred);
 135         gnutls_certificate_allocate_credentials(&x509_cred);
 136
 137         /* Initialize TLS session
 138          */
 139         gnutls_init(&session, GNUTLS_CLIENT);
 140
 141         /* Use default priorities */
 142         ret = gnutls_priority_set_direct(session, prio, &err);
 143         if (ret < 0) {
 144                 fail("error setting priority: %s\n", err);
 145                 exit(1);
 146         }
 147
 148         /* put the anonymous credentials to the current session
 149          */
 150         gnutls_credentials_set(session, GNUTLS_CRD_ANON, anoncred);
 151         gnutls_credentials_set(session, GNUTLS_CRD_CERTIFICATE, x509_cred);
 152
 153         gnutls_transport_set_int(session, fd);
 154
 155         /* Perform the TLS handshake
 156          */
 157         do {
 158                 ret = gnutls_handshake(session);
 159         }
 160         while (ret < 0 && gnutls_error_is_fatal(ret) == 0);
 161
 162         if (ret < 0) {
 163                 fail("client (%s): Handshake has failed (%s)\n\n", prio,
 164                      gnutls_strerror(ret));
 165                 exit(1);
 166         } else {
 167                 if (debug)
 168                         success("client: Handshake was completed\n");
 169         }
 170
 171         if (debug)
 172                 success("client: TLS version is: %s\n",
 173                         gnutls_protocol_get_name
 174                         (gnutls_protocol_get_version(session)));
 175
 176         /* Test sending */
 177         for (i = 1; i < 16384; i++) {
 178                 do {
 179                         ret = gnutls_record_send(session, buffer, i);
 180                 } while (ret == GNUTLS_E_AGAIN
 181                          || ret == GNUTLS_E_INTERRUPTED);
 182
 183                 if (ret < 0) {
 184                         fail("server (%s): Error sending %d byte packet: %s\n", prio, i, gnutls_strerror(ret));
 185                         terminate();
 186                 }
 187         }
 188
 189         /* Try sending a bit more */
 190         i = 21056;
 191         do {
 192                 ret = gnutls_record_send(session, buffer, i);
 193         } while (ret == GNUTLS_E_AGAIN || ret == GNUTLS_E_INTERRUPTED);
 194
 195         if (ret < 0) {
 196                 fail("server (%s): Error sending %d byte packet: %s\n",
 197                      prio, i, gnutls_strerror(ret));
 198                 exit(1);
 199         } else if (ign == 0 && ret != 16384) {
 200                 fail("server (%s): Error sending %d byte packet; sent %d bytes instead of 16384\n", prio, i, ret);
 201                 exit(1);
 202         }
 203
 204         ret = gnutls_alert_send(session, GNUTLS_AL_WARNING, GNUTLS_A_USER_CANCELED);
 205         if (ret < 0) {
 206                 fail("server (%s): Error sending alert\n", prio);
 207                 exit(1);
 208         }
 209
 210         /* Test receiving */
 211         do {
 212                 do {
 213                         ret = gnutls_record_recv(session, buffer, MAX_BUF);
 214                 } while (ret == GNUTLS_E_AGAIN
 215                          || ret == GNUTLS_E_INTERRUPTED);
 216         } while (ret > 0);
 217
 218         if (ret == 0) {
 219                 if (debug)
 220                         success
 221                             ("client: Peer has closed the TLS connection\n");
 222                 goto end;
 223         } else if (ret < 0) {
 224                 if (ret != 0) {
 225                         fail("client: Error: %s\n", gnutls_strerror(ret));
 226                         exit(1);
 227                 }
 228         }
 229
 230         gnutls_bye(session, GNUTLS_SHUT_WR);
 231
 232       end:
 233
 234         close(fd);
 235
 236         gnutls_deinit(session);
 237
 238         gnutls_anon_free_client_credentials(anoncred);
 239         gnutls_certificate_free_credentials(x509_cred);
 240
 241         gnutls_global_deinit();
 242 }
 243
 244
 245 /* These are global */
 246 pid_t child;
 247
 248 static void terminate(void)
 249 {
 250         kill(child, SIGTERM);
 251         exit(1);
 252 }
 253
 254 static void server(int fd, const char *prio, int ign)
 255 {
 256         int ret;
 257         unsigned i;
 258         const char* err;
 259         char buffer[MAX_BUF + 1];
 260         gnutls_session_t session;
 261         gnutls_anon_server_credentials_t anoncred;
 262         gnutls_certificate_credentials_t x509_cred;
 263
 264         /* this must be called once in the program
 265          */
 266         global_init();
 267         memset(buffer, 0, sizeof(buffer));
 268
 269         if (debug) {
 270                 gnutls_global_set_log_function(server_log_func);
 271                 gnutls_global_set_log_level(4711);
 272         }
 273
 274         gnutls_certificate_allocate_credentials(&x509_cred);
 275         gnutls_certificate_set_x509_key_mem(x509_cred, &server_cert,
 276                                             &server_key,
 277                                             GNUTLS_X509_FMT_PEM);
 278
 279         gnutls_anon_allocate_server_credentials(&anoncred);
 280
 281         gnutls_init(&session, GNUTLS_SERVER);
 282
 283         /* avoid calling all the priority functions, since the defaults
 284          * are adequate.
 285          */
 286         ret = gnutls_priority_set_direct(session, prio, &err);
 287         if (ret < 0) {
 288                 fail("error setting priority: %s\n", err);
 289                 exit(1);
 290         }
 291
 292         gnutls_credentials_set(session, GNUTLS_CRD_ANON, anoncred);
 293         gnutls_credentials_set(session, GNUTLS_CRD_CERTIFICATE, x509_cred);
 294
 295         gnutls_transport_set_int(session, fd);
 296
 297         do {
 298                 ret = gnutls_handshake(session);
 299         }
 300         while (ret < 0 && gnutls_error_is_fatal(ret) == 0);
 301         if (ret < 0) {
 302                 close(fd);
 303                 gnutls_deinit(session);
 304                 fail("server (%s): Handshake has failed (%s)\n\n", prio,
 305                      gnutls_strerror(ret));
 306                 terminate();
 307         }
 308         if (debug)
 309                 success("server: Handshake was completed\n");
 310
 311         if (debug)
 312                 success("server: TLS version is: %s\n",
 313                         gnutls_protocol_get_name
 314                         (gnutls_protocol_get_version(session)));
 315
 316         /* Here we do both a receive and a send test because if valgrind
 317          * detects an error on the peer, the main process will never know.
 318          */
 319
 320         /* Test receiving */
 321         do {
 322                 do {
 323                         ret = gnutls_record_recv(session, buffer, MAX_BUF);
 324                 } while (ret == GNUTLS_E_AGAIN
 325                          || ret == GNUTLS_E_INTERRUPTED);
 326         } while (ret > 0);
 327
 328         if (ret != GNUTLS_E_WARNING_ALERT_RECEIVED ||
 329                 gnutls_alert_get(session) != GNUTLS_A_USER_CANCELED) {
 330
 331                 if (ret <= 0) {
 332                         if (ret != 0) {
 333                                 fail("client: Error: %s\n", gnutls_strerror(ret));
 334                                 exit(1);
 335                         }
 336                 }
 337         }
 338
 339         /* Test sending */
 340         for (i = 1; i < 16384; i++) {
 341                 do {
 342                         ret = gnutls_record_send(session, buffer, i);
 343                 } while (ret == GNUTLS_E_AGAIN
 344                          || ret == GNUTLS_E_INTERRUPTED);
 345
 346                 if (ret < 0) {
 347                         fail("server (%s): Error sending %d byte packet: %s\n", prio, i, gnutls_strerror(ret));
 348                         terminate();
 349                 }
 350         }
 351
 352         /* Try sending a bit more */
 353         i = 21056;
 354         do {
 355                 ret = gnutls_record_send(session, buffer, i);
 356         } while (ret == GNUTLS_E_AGAIN || ret == GNUTLS_E_INTERRUPTED);
 357
 358         if (ret < 0) {
 359                 fail("server (%s): Error sending %d byte packet: %s\n",
 360                      prio, i, gnutls_strerror(ret));
 361                 terminate();
 362         } else if (ign == 0 && ret != 16384) {
 363                 fail("server (%s): Error sending %d byte packet; sent %d bytes instead of 16384\n", prio, i, ret);
 364                 terminate();
 365         }
 366
 367         /* do not wait for the peer to close the connection.
 368          */
 369         gnutls_bye(session, GNUTLS_SHUT_WR);
 370
 371         close(fd);
 372         gnutls_deinit(session);
 373
 374         gnutls_anon_free_server_credentials(anoncred);
 375         gnutls_certificate_free_credentials(x509_cred);
 376
 377         gnutls_global_deinit();
 378
 379         if (debug)
 380                 success("server: finished\n");
 381 }
 382
 383 static void start(const char *prio, int ign)
 384 {
 385         int fd[2];
 386         int ret;
 387
 388         ret = socketpair(AF_UNIX, SOCK_STREAM, 0, fd);
 389         if (ret < 0) {
 390                 perror("socketpair");
 391                 exit(1);
 392         }
 393
 394         child = fork();
 395         if (child < 0) {
 396                 perror("fork");
 397                 fail("fork");
 398                 exit(1);
 399         }
 400
 401         if (child) {
 402                 /* parent */
 403                 close(fd[1]);
 404                 server(fd[0], prio, ign);
 405                 kill(child, SIGTERM);
 406         } else {
 407                 close(fd[0]);
 408                 client(fd[1], prio, ign);
 409                 exit(0);
 410         }
 411 }
 412
 413 #define AES_CBC "NONE:+VERS-TLS1.0:-CIPHER-ALL:+AES-128-CBC:+SHA1:+SIGN-ALL:+COMP-NULL:+ANON-ECDH:+CURVE-ALL"
 414 #define AES_CBC_SHA256 "NONE:+VERS-TLS1.2:-CIPHER-ALL:+RSA:+AES-128-CBC:+AES-256-CBC:+SHA256:+SIGN-ALL:+COMP-NULL:+ANON-ECDH:+CURVE-ALL"
 415 #define AES_GCM "NONE:+VERS-TLS1.2:-CIPHER-ALL:+RSA:+AES-128-GCM:+MAC-ALL:+SIGN-ALL:+COMP-NULL:+ANON-ECDH:+CURVE-ALL"
 416
 417 #define ARCFOUR_SHA1 "NONE:+VERS-TLS1.0:-CIPHER-ALL:+ARCFOUR-128:+SHA1:+SIGN-ALL:+COMP-NULL:+ANON-ECDH:+CURVE-ALL"
 418 #define ARCFOUR_MD5 "NONE:+VERS-TLS1.0:-CIPHER-ALL:+ARCFOUR-128:+MD5:+SIGN-ALL:+COMP-NULL:+ANON-ECDH:+CURVE-ALL:+RSA"
 419
 420 #define NULL_SHA1 "NONE:+VERS-TLS1.0:-CIPHER-ALL:+NULL:+SHA1:+SIGN-ALL:+COMP-NULL:+ANON-ECDH:+RSA:+CURVE-ALL"
 421
 422 #define ARCFOUR_SHA1_ZLIB "NONE:+VERS-TLS1.0:-CIPHER-ALL:+ARCFOUR-128:+SHA1:+SIGN-ALL:+COMP-DEFLATE:+ANON-ECDH:+CURVE-ALL"
 423
 424 #define AES_GCM_ZLIB "NONE:+VERS-TLS1.2:-CIPHER-ALL:+AES-128-GCM:+AEAD:+SIGN-ALL:+COMP-DEFLATE:+RSA:+CURVE-ALL"
 425
 426 static void ch_handler(int sig)
 427 {
 428         int status;
 429         wait(&status);
 430         if (WEXITSTATUS(status) != 0 ||
 431             (WIFSIGNALED(status) && WTERMSIG(status) == SIGSEGV)) {
 432                 if (WIFSIGNALED(status))
 433                         fail("Child died with sigsegv\n");
 434                 else
 435                         fail("Child died with status %d\n",
 436                              WEXITSTATUS(status));
 437                 terminate();
 438         }
 439         return;
 440 }
 441
 442 void doit(void)
 443 {
 444         signal(SIGCHLD, ch_handler);
 445
 446         start(AES_CBC, 1);
 447         start(AES_CBC_SHA256, 1);
 448         start(AES_GCM, 0);
 449
 450 #ifndef ENABLE_FIPS140
 451         start(NULL_SHA1, 0);
 452
 453         start(ARCFOUR_SHA1, 0);
 454         start(ARCFOUR_MD5, 0);
 455
 456 # ifdef HAVE_LIBZ
 457         start(ARCFOUR_SHA1_ZLIB, 0);
 458 # endif
 459 #endif
 460
 461 #ifdef HAVE_LIBZ
 462         start(AES_GCM_ZLIB, 0);
 463 #endif
 464 }
 465
 466 #endif                          /* _WIN32 */