test_https_time_out.c (7032B)
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 static const unsigned int timeout_val = 2; 58 59 static volatile unsigned int num_connects = 0; 60 static volatile unsigned int num_disconnects = 0; 61 62 63 /** 64 * Pause execution for specified number of milliseconds. 65 * @param ms the number of milliseconds to sleep 66 */ 67 static void 68 _MHD_sleep (uint32_t ms) 69 { 70 #if defined(_WIN32) 71 Sleep (ms); 72 #elif defined(HAVE_NANOSLEEP) 73 struct timespec slp = {ms / 1000, (ms % 1000) * 1000000}; 74 struct timespec rmn; 75 int num_retries = 0; 76 while (0 != nanosleep (&slp, &rmn)) 77 { 78 if (num_retries++ > 8) 79 break; 80 slp = rmn; 81 } 82 #elif defined(HAVE_USLEEP) 83 uint64_t us = ms * 1000; 84 do 85 { 86 uint64_t this_sleep; 87 if (999999 < us) 88 this_sleep = 999999; 89 else 90 this_sleep = us; 91 /* Ignore return value as it could be void */ 92 usleep (this_sleep); 93 us -= this_sleep; 94 } while (us > 0); 95 #else 96 sleep ((ms + 999) / 1000); 97 #endif 98 } 99 100 101 static void 102 socket_cb (void *cls, 103 struct MHD_Connection *c, 104 void **socket_context, 105 enum MHD_ConnectionNotificationCode toe) 106 { 107 if (NULL == socket_context) 108 abort (); 109 if (NULL == c) 110 abort (); 111 if (NULL != cls) 112 abort (); 113 114 if (MHD_CONNECTION_NOTIFY_STARTED == toe) 115 { 116 num_connects++; 117 #ifdef _DEBUG 118 fprintf (stderr, "MHD: Connection has started.\n"); 119 #endif /* _DEBUG */ 120 } 121 else if (MHD_CONNECTION_NOTIFY_CLOSED == toe) 122 { 123 num_disconnects++; 124 #ifdef _DEBUG 125 fprintf (stderr, "MHD: Connection has closed.\n"); 126 #endif /* _DEBUG */ 127 } 128 else 129 abort (); 130 } 131 132 133 static unsigned int 134 test_tls_session_time_out (gnutls_session_t session, uint16_t port) 135 { 136 int ret; 137 MHD_socket sd; 138 struct sockaddr_in sa; 139 140 sd = socket (AF_INET, SOCK_STREAM, 0); 141 if (sd == MHD_INVALID_SOCKET) 142 { 143 fprintf (stderr, "Failed to create socket: %s\n", strerror (errno)); 144 return 2; 145 } 146 147 memset (&sa, '\0', sizeof (struct sockaddr_in)); 148 sa.sin_family = AF_INET; 149 sa.sin_port = htons (port); 150 sa.sin_addr.s_addr = htonl (INADDR_LOOPBACK); 151 152 ret = connect (sd, (struct sockaddr *) &sa, sizeof (struct sockaddr_in)); 153 154 if (ret < 0) 155 { 156 fprintf (stderr, "Error: %s\n", MHD_E_FAILED_TO_CONNECT); 157 MHD_socket_close_chk_ (sd); 158 return 2; 159 } 160 161 #if (GNUTLS_VERSION_NUMBER + 0 >= 0x030109) && ! defined(_WIN64) 162 gnutls_transport_set_int (session, (int) (sd)); 163 #else /* GnuTLS before 3.1.9 or Win64 */ 164 gnutls_transport_set_ptr (session, (gnutls_transport_ptr_t) (intptr_t) (sd)); 165 #endif /* GnuTLS before 3.1.9 or Win64 */ 166 167 ret = gnutls_handshake (session); 168 if (ret < 0) 169 { 170 fprintf (stderr, "Handshake failed\n"); 171 MHD_socket_close_chk_ (sd); 172 return 2; 173 } 174 175 _MHD_sleep (timeout_val * 1000 + 1700); 176 177 if (0 == num_connects) 178 { 179 fprintf (stderr, "MHD has not detected any connection attempt.\n"); 180 MHD_socket_close_chk_ (sd); 181 return 4; 182 } 183 /* check that server has closed the connection */ 184 if (0 == num_disconnects) 185 { 186 fprintf (stderr, "MHD has not detected any disconnections.\n"); 187 MHD_socket_close_chk_ (sd); 188 return 1; 189 } 190 191 MHD_socket_close_chk_ (sd); 192 return 0; 193 } 194 195 196 int 197 main (int argc, char *const *argv) 198 { 199 unsigned int errorCount = 0; 200 struct MHD_Daemon *d; 201 gnutls_session_t session; 202 gnutls_certificate_credentials_t xcred; 203 uint16_t port; 204 (void) argc; /* Unused. Silent compiler warning. */ 205 206 if (MHD_NO != MHD_is_feature_supported (MHD_FEATURE_AUTODETECT_BIND_PORT)) 207 port = 0; 208 else 209 port = 3070; 210 211 #ifdef MHD_SEND_SPIPE_SUPPRESS_NEEDED 212 #if defined(HAVE_SIGNAL_H) && defined(SIGPIPE) 213 if (SIG_ERR == signal (SIGPIPE, SIG_IGN)) 214 { 215 fprintf (stderr, "Error suppressing SIGPIPE signal.\n"); 216 exit (99); 217 } 218 #else /* ! HAVE_SIGNAL_H || ! SIGPIPE */ 219 fprintf (stderr, "Cannot suppress SIGPIPE signal.\n"); 220 /* exit (77); */ 221 #endif 222 #endif /* MHD_SEND_SPIPE_SUPPRESS_NEEDED */ 223 224 #ifdef MHD_HTTPS_REQUIRE_GCRYPT 225 gcry_control (GCRYCTL_ENABLE_QUICK_RANDOM, 0); 226 #ifdef GCRYCTL_INITIALIZATION_FINISHED 227 gcry_control (GCRYCTL_INITIALIZATION_FINISHED, 0); 228 #endif 229 #endif /* MHD_HTTPS_REQUIRE_GCRYPT */ 230 if (GNUTLS_E_SUCCESS != gnutls_global_init ()) 231 { 232 fprintf (stderr, "Cannot initialize GnuTLS.\n"); 233 exit (99); 234 } 235 gnutls_global_set_log_level (11); 236 237 d = MHD_start_daemon (MHD_USE_THREAD_PER_CONNECTION 238 | MHD_USE_INTERNAL_POLLING_THREAD | MHD_USE_TLS 239 | MHD_USE_ERROR_LOG, port, 240 NULL, NULL, &http_dummy_ahc, NULL, 241 MHD_OPTION_CONNECTION_TIMEOUT, 242 (unsigned int) timeout_val, 243 MHD_OPTION_NOTIFY_CONNECTION, &socket_cb, NULL, 244 MHD_OPTION_HTTPS_MEM_KEY, srv_self_signed_key_pem, 245 MHD_OPTION_HTTPS_MEM_CERT, srv_self_signed_cert_pem, 246 MHD_OPTION_END); 247 248 if (NULL == d) 249 { 250 fprintf (stderr, MHD_E_SERVER_INIT); 251 return -1; 252 } 253 if (0 == port) 254 { 255 const union MHD_DaemonInfo *dinfo; 256 dinfo = MHD_get_daemon_info (d, MHD_DAEMON_INFO_BIND_PORT); 257 if ((NULL == dinfo) || (0 == dinfo->port) ) 258 { 259 MHD_stop_daemon (d); 260 return 99; 261 } 262 port = dinfo->port; 263 } 264 265 if (0 != setup_session (&session, &xcred)) 266 { 267 fprintf (stderr, "failed to setup session\n"); 268 return 1; 269 } 270 errorCount += test_tls_session_time_out (session, port); 271 teardown_session (session, xcred); 272 273 print_test_result (errorCount, argv[0]); 274 275 MHD_stop_daemon (d); 276 gnutls_global_deinit (); 277 278 return errorCount != 0 ? 1 : 0; 279 }