test_https_time_out.c (7199B)
1 /* 2 This file is part of libmicrohttpd 3 Copyright (C) 2007 Christian Grothoff 4 Copyright (C) 2014-2022 Evgeny Grin (Karlson2k) 5 6 libmicrohttpd is free software; you can redistribute it and/or modify 7 it under the terms of the GNU General Public License as published 8 by the Free Software Foundation; either version 2, or (at your 9 option) any later version. 10 11 libmicrohttpd is distributed in the hope that it will be useful, but 12 WITHOUT ANY WARRANTY; without even the implied warranty of 13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14 General Public License for more details. 15 16 You should have received a copy of the GNU General Public License 17 along with libmicrohttpd; see the file COPYING. If not, write to the 18 Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 19 Boston, MA 02110-1301, USA. 20 */ 21 22 /** 23 * @file test_https_time_out.c 24 * @brief: daemon TLS timeout test 25 * 26 * @author Sagie Amir 27 * @author Karlson2k (Evgeny Grin) 28 */ 29 30 #include "platform.h" 31 #include "microhttpd.h" 32 #include "tls_test_common.h" 33 #ifdef MHD_HTTPS_REQUIRE_GCRYPT 34 #include <gcrypt.h> 35 #endif /* MHD_HTTPS_REQUIRE_GCRYPT */ 36 #ifdef HAVE_SIGNAL_H 37 #include <signal.h> 38 #endif /* HAVE_SIGNAL_H */ 39 #ifdef HAVE_UNISTD_H 40 #include <unistd.h> 41 #endif /* HAVE_UNISTD_H */ 42 #ifdef HAVE_TIME_H 43 #include <time.h> 44 #endif /* HAVE_TIME_H */ 45 46 #include "mhd_sockets.h" /* only macros used */ 47 48 49 #ifdef _WIN32 50 #ifndef WIN32_LEAN_AND_MEAN 51 #define WIN32_LEAN_AND_MEAN 1 52 #endif /* !WIN32_LEAN_AND_MEAN */ 53 #include <windows.h> 54 #endif 55 #include "tls_test_keys.h" 56 57 /* Turn any MHD_PANIC() or failing mhd_assert() reached from this 58 test into a marked, classifiable test error (TESTING.md, P5). */ 59 #include "mhd_panic_tripwire.h" 60 61 static const unsigned int timeout_val = 2; 62 63 static volatile unsigned int num_connects = 0; 64 static volatile unsigned int num_disconnects = 0; 65 66 67 /** 68 * Pause execution for specified number of milliseconds. 69 * @param ms the number of milliseconds to sleep 70 */ 71 static void 72 _MHD_sleep (uint32_t ms) 73 { 74 #if defined(_WIN32) 75 Sleep (ms); 76 #elif defined(HAVE_NANOSLEEP) 77 struct timespec slp = {ms / 1000, (ms % 1000) * 1000000}; 78 struct timespec rmn; 79 int num_retries = 0; 80 while (0 != nanosleep (&slp, &rmn)) 81 { 82 if (num_retries++ > 8) 83 break; 84 slp = rmn; 85 } 86 #elif defined(HAVE_USLEEP) 87 uint64_t us = ms * 1000; 88 do 89 { 90 uint64_t this_sleep; 91 if (999999 < us) 92 this_sleep = 999999; 93 else 94 this_sleep = us; 95 /* Ignore return value as it could be void */ 96 usleep (this_sleep); 97 us -= this_sleep; 98 } while (us > 0); 99 #else 100 sleep ((ms + 999) / 1000); 101 #endif 102 } 103 104 105 static void 106 socket_cb (void *cls, 107 struct MHD_Connection *c, 108 void **socket_context, 109 enum MHD_ConnectionNotificationCode toe) 110 { 111 if (NULL == socket_context) 112 abort (); 113 if (NULL == c) 114 abort (); 115 if (NULL != cls) 116 abort (); 117 118 if (MHD_CONNECTION_NOTIFY_STARTED == toe) 119 { 120 num_connects++; 121 #ifdef _DEBUG 122 fprintf (stderr, "MHD: Connection has started.\n"); 123 #endif /* _DEBUG */ 124 } 125 else if (MHD_CONNECTION_NOTIFY_CLOSED == toe) 126 { 127 num_disconnects++; 128 #ifdef _DEBUG 129 fprintf (stderr, "MHD: Connection has closed.\n"); 130 #endif /* _DEBUG */ 131 } 132 else 133 abort (); 134 } 135 136 137 static unsigned int 138 test_tls_session_time_out (gnutls_session_t session, uint16_t port) 139 { 140 int ret; 141 MHD_socket sd; 142 struct sockaddr_in sa; 143 144 sd = socket (AF_INET, SOCK_STREAM, 0); 145 if (sd == MHD_INVALID_SOCKET) 146 { 147 fprintf (stderr, "Failed to create socket: %s\n", strerror (errno)); 148 return 2; 149 } 150 151 memset (&sa, '\0', sizeof (struct sockaddr_in)); 152 sa.sin_family = AF_INET; 153 sa.sin_port = htons (port); 154 sa.sin_addr.s_addr = htonl (INADDR_LOOPBACK); 155 156 ret = connect (sd, (struct sockaddr *) &sa, sizeof (struct sockaddr_in)); 157 158 if (ret < 0) 159 { 160 fprintf (stderr, "Error: %s\n", MHD_E_FAILED_TO_CONNECT); 161 MHD_socket_close_chk_ (sd); 162 return 2; 163 } 164 165 #if (GNUTLS_VERSION_NUMBER + 0 >= 0x030109) && ! defined(_WIN64) 166 gnutls_transport_set_int (session, (int) (sd)); 167 #else /* GnuTLS before 3.1.9 or Win64 */ 168 gnutls_transport_set_ptr (session, (gnutls_transport_ptr_t) (intptr_t) (sd)); 169 #endif /* GnuTLS before 3.1.9 or Win64 */ 170 171 ret = gnutls_handshake (session); 172 if (ret < 0) 173 { 174 fprintf (stderr, "Handshake failed\n"); 175 MHD_socket_close_chk_ (sd); 176 return 2; 177 } 178 179 _MHD_sleep (timeout_val * 1000 + 1700); 180 181 if (0 == num_connects) 182 { 183 fprintf (stderr, "MHD has not detected any connection attempt.\n"); 184 MHD_socket_close_chk_ (sd); 185 return 4; 186 } 187 /* check that server has closed the connection */ 188 if (0 == num_disconnects) 189 { 190 fprintf (stderr, "MHD has not detected any disconnections.\n"); 191 MHD_socket_close_chk_ (sd); 192 return 1; 193 } 194 195 MHD_socket_close_chk_ (sd); 196 return 0; 197 } 198 199 200 int 201 main (int argc, char *const *argv) 202 { 203 unsigned int errorCount = 0; 204 struct MHD_Daemon *d; 205 gnutls_session_t session; 206 gnutls_certificate_credentials_t xcred; 207 uint16_t port; 208 (void) argc; /* Unused. Silent compiler warning. */ 209 210 if (MHD_NO != MHD_is_feature_supported (MHD_FEATURE_AUTODETECT_BIND_PORT)) 211 port = 0; 212 else 213 port = 3070; 214 215 #ifdef MHD_SEND_SPIPE_SUPPRESS_NEEDED 216 #if defined(HAVE_SIGNAL_H) && defined(SIGPIPE) 217 if (SIG_ERR == signal (SIGPIPE, SIG_IGN)) 218 { 219 fprintf (stderr, "Error suppressing SIGPIPE signal.\n"); 220 exit (99); 221 } 222 #else /* ! HAVE_SIGNAL_H || ! SIGPIPE */ 223 fprintf (stderr, "Cannot suppress SIGPIPE signal.\n"); 224 /* exit (77); */ 225 #endif 226 #endif /* MHD_SEND_SPIPE_SUPPRESS_NEEDED */ 227 228 #ifdef MHD_HTTPS_REQUIRE_GCRYPT 229 gcry_control (GCRYCTL_ENABLE_QUICK_RANDOM, 0); 230 #ifdef GCRYCTL_INITIALIZATION_FINISHED 231 gcry_control (GCRYCTL_INITIALIZATION_FINISHED, 0); 232 #endif 233 #endif /* MHD_HTTPS_REQUIRE_GCRYPT */ 234 if (GNUTLS_E_SUCCESS != gnutls_global_init ()) 235 { 236 fprintf (stderr, "Cannot initialize GnuTLS.\n"); 237 exit (99); 238 } 239 gnutls_global_set_log_level (11); 240 241 d = MHD_start_daemon (MHD_USE_THREAD_PER_CONNECTION 242 | MHD_USE_INTERNAL_POLLING_THREAD | MHD_USE_TLS 243 | MHD_USE_ERROR_LOG, port, 244 NULL, NULL, &http_dummy_ahc, NULL, 245 MHD_OPTION_CONNECTION_TIMEOUT, 246 (unsigned int) timeout_val, 247 MHD_OPTION_NOTIFY_CONNECTION, &socket_cb, NULL, 248 MHD_OPTION_HTTPS_MEM_KEY, srv_self_signed_key_pem, 249 MHD_OPTION_HTTPS_MEM_CERT, srv_self_signed_cert_pem, 250 MHD_OPTION_END); 251 252 if (NULL == d) 253 { 254 fprintf (stderr, MHD_E_SERVER_INIT); 255 return -1; 256 } 257 if (0 == port) 258 { 259 const union MHD_DaemonInfo *dinfo; 260 dinfo = MHD_get_daemon_info (d, MHD_DAEMON_INFO_BIND_PORT); 261 if ((NULL == dinfo) || (0 == dinfo->port) ) 262 { 263 MHD_stop_daemon (d); 264 return 99; 265 } 266 port = dinfo->port; 267 } 268 269 if (0 != setup_session (&session, &xcred)) 270 { 271 fprintf (stderr, "failed to setup session\n"); 272 return 1; 273 } 274 errorCount += test_tls_session_time_out (session, port); 275 teardown_session (session, xcred); 276 277 print_test_result (errorCount, argv[0]); 278 279 MHD_stop_daemon (d); 280 gnutls_global_deinit (); 281 282 return errorCount != 0 ? 1 : 0; 283 }