Narayan Kamath | fc74cb4 | 2017-09-13 12:53:52 +0100 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2009-2012 Niels Provos and Nick Mathewson |
| 3 | * |
| 4 | * Redistribution and use in source and binary forms, with or without |
| 5 | * modification, are permitted provided that the following conditions |
| 6 | * are met: |
| 7 | * 1. Redistributions of source code must retain the above copyright |
| 8 | * notice, this list of conditions and the following disclaimer. |
| 9 | * 2. Redistributions in binary form must reproduce the above copyright |
| 10 | * notice, this list of conditions and the following disclaimer in the |
| 11 | * documentation and/or other materials provided with the distribution. |
| 12 | * 3. The name of the author may not be used to endorse or promote products |
| 13 | * derived from this software without specific prior written permission. |
| 14 | * |
| 15 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| 16 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| 17 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| 18 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| 19 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| 20 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 21 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 22 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 23 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| 24 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 25 | */ |
| 26 | #include "util-internal.h" |
| 27 | |
| 28 | #ifdef _WIN32 |
| 29 | #include <winsock2.h> |
| 30 | #include <windows.h> |
| 31 | #endif |
| 32 | |
| 33 | #include <sys/types.h> |
| 34 | |
| 35 | #ifndef _WIN32 |
| 36 | #include <sys/socket.h> |
| 37 | #include <netinet/in.h> |
| 38 | # ifdef _XOPEN_SOURCE_EXTENDED |
| 39 | # include <arpa/inet.h> |
| 40 | # endif |
| 41 | #include <unistd.h> |
| 42 | #endif |
| 43 | #ifdef EVENT__HAVE_SYS_RESOURCE_H |
| 44 | #include <sys/resource.h> |
| 45 | #endif |
| 46 | |
| 47 | #include <string.h> |
| 48 | |
| 49 | #include "event2/listener.h" |
| 50 | #include "event2/event.h" |
| 51 | #include "event2/util.h" |
| 52 | |
| 53 | #include "regress.h" |
| 54 | #include "tinytest.h" |
| 55 | #include "tinytest_macros.h" |
| 56 | |
| 57 | static void |
| 58 | acceptcb(struct evconnlistener *listener, evutil_socket_t fd, |
| 59 | struct sockaddr *addr, int socklen, void *arg) |
| 60 | { |
| 61 | int *ptr = arg; |
| 62 | --*ptr; |
| 63 | TT_BLATHER(("Got one for %p", ptr)); |
| 64 | evutil_closesocket(fd); |
| 65 | |
| 66 | if (! *ptr) |
| 67 | evconnlistener_disable(listener); |
| 68 | } |
| 69 | |
| 70 | static void |
| 71 | regress_pick_a_port(void *arg) |
| 72 | { |
| 73 | struct basic_test_data *data = arg; |
| 74 | struct event_base *base = data->base; |
| 75 | struct evconnlistener *listener1 = NULL, *listener2 = NULL; |
| 76 | struct sockaddr_in sin; |
| 77 | int count1 = 2, count2 = 1; |
| 78 | struct sockaddr_storage ss1, ss2; |
| 79 | struct sockaddr_in *sin1, *sin2; |
| 80 | ev_socklen_t slen1 = sizeof(ss1), slen2 = sizeof(ss2); |
| 81 | unsigned int flags = |
| 82 | LEV_OPT_CLOSE_ON_FREE|LEV_OPT_REUSEABLE|LEV_OPT_CLOSE_ON_EXEC; |
Haibo Huang | b227967 | 2019-05-31 16:12:39 -0700 | [diff] [blame] | 83 | evutil_socket_t fd1, fd2, fd3; |
Narayan Kamath | fc74cb4 | 2017-09-13 12:53:52 +0100 | [diff] [blame] | 84 | |
Haibo Huang | b227967 | 2019-05-31 16:12:39 -0700 | [diff] [blame] | 85 | fd1 = fd2 = fd3 = EVUTIL_INVALID_SOCKET; |
Narayan Kamath | fc74cb4 | 2017-09-13 12:53:52 +0100 | [diff] [blame] | 86 | |
| 87 | if (data->setup_data && strstr((char*)data->setup_data, "ts")) { |
| 88 | flags |= LEV_OPT_THREADSAFE; |
| 89 | } |
| 90 | |
| 91 | memset(&sin, 0, sizeof(sin)); |
| 92 | sin.sin_family = AF_INET; |
| 93 | sin.sin_addr.s_addr = htonl(0x7f000001); /* 127.0.0.1 */ |
| 94 | sin.sin_port = 0; /* "You pick!" */ |
| 95 | |
| 96 | listener1 = evconnlistener_new_bind(base, acceptcb, &count1, |
| 97 | flags, -1, (struct sockaddr *)&sin, sizeof(sin)); |
| 98 | tt_assert(listener1); |
| 99 | listener2 = evconnlistener_new_bind(base, acceptcb, &count2, |
| 100 | flags, -1, (struct sockaddr *)&sin, sizeof(sin)); |
| 101 | tt_assert(listener2); |
| 102 | |
Haibo Huang | b227967 | 2019-05-31 16:12:39 -0700 | [diff] [blame] | 103 | tt_assert(evconnlistener_get_fd(listener1) != EVUTIL_INVALID_SOCKET); |
| 104 | tt_assert(evconnlistener_get_fd(listener2) != EVUTIL_INVALID_SOCKET); |
Narayan Kamath | fc74cb4 | 2017-09-13 12:53:52 +0100 | [diff] [blame] | 105 | tt_assert(getsockname(evconnlistener_get_fd(listener1), |
| 106 | (struct sockaddr*)&ss1, &slen1) == 0); |
| 107 | tt_assert(getsockname(evconnlistener_get_fd(listener2), |
| 108 | (struct sockaddr*)&ss2, &slen2) == 0); |
| 109 | tt_int_op(ss1.ss_family, ==, AF_INET); |
| 110 | tt_int_op(ss2.ss_family, ==, AF_INET); |
| 111 | |
| 112 | sin1 = (struct sockaddr_in*)&ss1; |
| 113 | sin2 = (struct sockaddr_in*)&ss2; |
| 114 | tt_int_op(ntohl(sin1->sin_addr.s_addr), ==, 0x7f000001); |
| 115 | tt_int_op(ntohl(sin2->sin_addr.s_addr), ==, 0x7f000001); |
| 116 | tt_int_op(sin1->sin_port, !=, sin2->sin_port); |
| 117 | |
| 118 | tt_ptr_op(evconnlistener_get_base(listener1), ==, base); |
| 119 | tt_ptr_op(evconnlistener_get_base(listener2), ==, base); |
| 120 | |
Haibo Huang | b227967 | 2019-05-31 16:12:39 -0700 | [diff] [blame] | 121 | fd1 = fd2 = fd3 = EVUTIL_INVALID_SOCKET; |
Narayan Kamath | fc74cb4 | 2017-09-13 12:53:52 +0100 | [diff] [blame] | 122 | evutil_socket_connect_(&fd1, (struct sockaddr*)&ss1, slen1); |
| 123 | evutil_socket_connect_(&fd2, (struct sockaddr*)&ss1, slen1); |
| 124 | evutil_socket_connect_(&fd3, (struct sockaddr*)&ss2, slen2); |
| 125 | |
| 126 | #ifdef _WIN32 |
| 127 | Sleep(100); /* XXXX this is a stupid stopgap. */ |
| 128 | #endif |
| 129 | event_base_dispatch(base); |
| 130 | |
| 131 | tt_int_op(count1, ==, 0); |
| 132 | tt_int_op(count2, ==, 0); |
| 133 | |
| 134 | end: |
| 135 | if (fd1>=0) |
| 136 | EVUTIL_CLOSESOCKET(fd1); |
| 137 | if (fd2>=0) |
| 138 | EVUTIL_CLOSESOCKET(fd2); |
| 139 | if (fd3>=0) |
| 140 | EVUTIL_CLOSESOCKET(fd3); |
| 141 | if (listener1) |
| 142 | evconnlistener_free(listener1); |
| 143 | if (listener2) |
| 144 | evconnlistener_free(listener2); |
| 145 | } |
| 146 | |
| 147 | static void |
| 148 | errorcb(struct evconnlistener *lis, void *data_) |
| 149 | { |
| 150 | int *data = data_; |
| 151 | *data = 1000; |
| 152 | evconnlistener_disable(lis); |
| 153 | } |
| 154 | |
| 155 | static void |
| 156 | regress_listener_error(void *arg) |
| 157 | { |
| 158 | struct basic_test_data *data = arg; |
| 159 | struct event_base *base = data->base; |
| 160 | struct evconnlistener *listener = NULL; |
| 161 | int count = 1; |
| 162 | unsigned int flags = LEV_OPT_CLOSE_ON_FREE|LEV_OPT_REUSEABLE; |
| 163 | |
| 164 | if (data->setup_data && strstr((char*)data->setup_data, "ts")) { |
| 165 | flags |= LEV_OPT_THREADSAFE; |
| 166 | } |
| 167 | |
| 168 | /* send, so that pair[0] will look 'readable'*/ |
| 169 | tt_int_op(send(data->pair[1], "hello", 5, 0), >, 0); |
| 170 | |
| 171 | /* Start a listener with a bogus socket. */ |
| 172 | listener = evconnlistener_new(base, acceptcb, &count, |
| 173 | flags, 0, |
| 174 | data->pair[0]); |
| 175 | tt_assert(listener); |
| 176 | |
| 177 | evconnlistener_set_error_cb(listener, errorcb); |
| 178 | |
| 179 | tt_assert(listener); |
| 180 | |
| 181 | event_base_dispatch(base); |
| 182 | tt_int_op(count,==,1000); /* set by error cb */ |
| 183 | |
| 184 | end: |
| 185 | if (listener) |
| 186 | evconnlistener_free(listener); |
| 187 | } |
| 188 | |
Haibo Huang | b227967 | 2019-05-31 16:12:39 -0700 | [diff] [blame] | 189 | static void |
| 190 | acceptcb_free(struct evconnlistener *listener, evutil_socket_t fd, |
| 191 | struct sockaddr *addr, int socklen, void *arg) |
| 192 | { |
| 193 | int *ptr = arg; |
| 194 | --*ptr; |
| 195 | TT_BLATHER(("Got one for %p", ptr)); |
| 196 | evutil_closesocket(fd); |
| 197 | |
| 198 | if (! *ptr) |
| 199 | evconnlistener_free(listener); |
| 200 | } |
| 201 | static void |
| 202 | regress_listener_close_accepted_fd(void *arg) |
| 203 | { |
| 204 | struct basic_test_data *data = arg; |
| 205 | struct event_base *base = data->base; |
| 206 | struct evconnlistener *listener = NULL; |
| 207 | struct sockaddr_in sin; |
| 208 | struct sockaddr_storage ss; |
| 209 | ev_socklen_t slen = sizeof(ss); |
| 210 | int count = 1; |
| 211 | unsigned int flags = LEV_OPT_CLOSE_ON_FREE|LEV_OPT_REUSEABLE; |
| 212 | evutil_socket_t fd = EVUTIL_INVALID_SOCKET; |
| 213 | |
| 214 | memset(&sin, 0, sizeof(sin)); |
| 215 | sin.sin_family = AF_INET; |
| 216 | sin.sin_addr.s_addr = htonl(0x7f000001); /* 127.0.0.1 */ |
| 217 | sin.sin_port = 0; /* "You pick!" */ |
| 218 | |
| 219 | /* Start a listener with a bogus socket. */ |
| 220 | listener = evconnlistener_new_bind(base, acceptcb_free, &count, |
| 221 | flags, -1, (struct sockaddr *)&sin, sizeof(sin)); |
| 222 | tt_assert(listener); |
| 223 | |
| 224 | tt_assert(getsockname(evconnlistener_get_fd(listener), |
| 225 | (struct sockaddr*)&ss, &slen) == 0); |
| 226 | evutil_socket_connect_(&fd, (struct sockaddr*)&ss, slen); |
| 227 | |
| 228 | event_base_dispatch(base); |
| 229 | |
| 230 | end: |
| 231 | ; |
| 232 | } |
| 233 | |
| 234 | static void |
| 235 | regress_listener_immediate_close(void *arg) |
| 236 | { |
| 237 | struct basic_test_data *data = arg; |
| 238 | struct event_base *base = data->base; |
| 239 | struct evconnlistener *listener = NULL; |
| 240 | struct sockaddr_in sin; |
| 241 | struct sockaddr_storage ss; |
| 242 | ev_socklen_t slen = sizeof(ss); |
| 243 | int count = 1; |
| 244 | unsigned int flags = LEV_OPT_CLOSE_ON_FREE|LEV_OPT_REUSEABLE; |
| 245 | evutil_socket_t fd1 = EVUTIL_INVALID_SOCKET, fd2 = EVUTIL_INVALID_SOCKET; |
| 246 | |
| 247 | memset(&sin, 0, sizeof(sin)); |
| 248 | sin.sin_family = AF_INET; |
| 249 | sin.sin_addr.s_addr = htonl(0x7f000001); /* 127.0.0.1 */ |
| 250 | sin.sin_port = 0; /* "You pick!" */ |
| 251 | |
| 252 | /* Start a listener with a bogus socket. */ |
| 253 | listener = evconnlistener_new_bind(base, acceptcb, &count, |
| 254 | flags, -1, (struct sockaddr *)&sin, sizeof(sin)); |
| 255 | tt_assert(listener); |
| 256 | |
| 257 | tt_assert(getsockname(evconnlistener_get_fd(listener), |
| 258 | (struct sockaddr*)&ss, &slen) == 0); |
| 259 | |
| 260 | evutil_socket_connect_(&fd1, (struct sockaddr*)&ss, slen); |
| 261 | evutil_socket_connect_(&fd2, (struct sockaddr*)&ss, slen); |
| 262 | |
| 263 | event_base_dispatch(base); |
| 264 | |
| 265 | tt_int_op(count, ==, 0); |
| 266 | |
| 267 | end: |
| 268 | if (listener) |
| 269 | evconnlistener_free(listener); |
| 270 | } |
| 271 | |
Narayan Kamath | fc74cb4 | 2017-09-13 12:53:52 +0100 | [diff] [blame] | 272 | #ifdef EVENT__HAVE_SETRLIMIT |
| 273 | static void |
| 274 | regress_listener_error_unlock(void *arg) |
| 275 | { |
| 276 | struct basic_test_data *data = arg; |
| 277 | struct event_base *base = data->base; |
| 278 | struct evconnlistener *listener = NULL; |
| 279 | unsigned int flags = |
| 280 | LEV_OPT_CLOSE_ON_FREE|LEV_OPT_REUSEABLE|LEV_OPT_THREADSAFE; |
| 281 | |
| 282 | tt_int_op(send(data->pair[1], "hello", 5, 0), >, 0); |
| 283 | |
| 284 | /* Start a listener with a bogus socket. */ |
| 285 | listener = evconnlistener_new(base, acceptcb, NULL, flags, 0, data->pair[0]); |
| 286 | tt_assert(listener); |
| 287 | |
| 288 | /** accept() must errored out with EMFILE */ |
| 289 | { |
| 290 | struct rlimit rl; |
| 291 | rl.rlim_cur = rl.rlim_max = data->pair[1]; |
| 292 | if (setrlimit(RLIMIT_NOFILE, &rl) == -1) { |
| 293 | TT_DIE(("Can't change RLIMIT_NOFILE")); |
| 294 | } |
| 295 | } |
| 296 | |
| 297 | event_base_loop(base, EVLOOP_ONCE); |
| 298 | |
| 299 | /** with lock debugging, can fail on lock->count assertion */ |
| 300 | |
| 301 | end: |
| 302 | if (listener) |
| 303 | evconnlistener_free(listener); |
| 304 | } |
| 305 | #endif |
| 306 | |
| 307 | struct testcase_t listener_testcases[] = { |
| 308 | |
| 309 | { "randport", regress_pick_a_port, TT_FORK|TT_NEED_BASE, |
| 310 | &basic_setup, NULL}, |
| 311 | |
| 312 | { "randport_ts", regress_pick_a_port, TT_FORK|TT_NEED_BASE, |
| 313 | &basic_setup, (char*)"ts"}, |
| 314 | |
| 315 | #ifdef EVENT__HAVE_SETRLIMIT |
| 316 | { "error_unlock", regress_listener_error_unlock, |
Haibo Huang | b227967 | 2019-05-31 16:12:39 -0700 | [diff] [blame] | 317 | TT_FORK|TT_NEED_BASE|TT_NEED_SOCKETPAIR|TT_NO_LOGS, |
Narayan Kamath | fc74cb4 | 2017-09-13 12:53:52 +0100 | [diff] [blame] | 318 | &basic_setup, NULL}, |
| 319 | #endif |
| 320 | |
| 321 | { "error", regress_listener_error, |
| 322 | TT_FORK|TT_NEED_BASE|TT_NEED_SOCKETPAIR, |
| 323 | &basic_setup, NULL}, |
| 324 | |
| 325 | { "error_ts", regress_listener_error, |
| 326 | TT_FORK|TT_NEED_BASE|TT_NEED_SOCKETPAIR, |
| 327 | &basic_setup, (char*)"ts"}, |
| 328 | |
Haibo Huang | b227967 | 2019-05-31 16:12:39 -0700 | [diff] [blame] | 329 | { "close_accepted_fd", regress_listener_close_accepted_fd, |
| 330 | TT_FORK|TT_NEED_BASE, &basic_setup, NULL, }, |
| 331 | |
| 332 | { "immediate_close", regress_listener_immediate_close, |
| 333 | TT_FORK|TT_NEED_BASE, &basic_setup, NULL, }, |
| 334 | |
Narayan Kamath | fc74cb4 | 2017-09-13 12:53:52 +0100 | [diff] [blame] | 335 | END_OF_TESTCASES, |
| 336 | }; |
| 337 | |
| 338 | struct testcase_t listener_iocp_testcases[] = { |
| 339 | { "randport", regress_pick_a_port, |
| 340 | TT_FORK|TT_NEED_BASE|TT_ENABLE_IOCP, |
| 341 | &basic_setup, NULL}, |
| 342 | |
| 343 | { "error", regress_listener_error, |
| 344 | TT_FORK|TT_NEED_BASE|TT_NEED_SOCKETPAIR|TT_ENABLE_IOCP, |
| 345 | &basic_setup, NULL}, |
| 346 | |
| 347 | END_OF_TESTCASES, |
| 348 | }; |