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; |
| 83 | |
| 84 | evutil_socket_t fd1 = -1, fd2 = -1, fd3 = -1; |
| 85 | |
| 86 | if (data->setup_data && strstr((char*)data->setup_data, "ts")) { |
| 87 | flags |= LEV_OPT_THREADSAFE; |
| 88 | } |
| 89 | |
| 90 | memset(&sin, 0, sizeof(sin)); |
| 91 | sin.sin_family = AF_INET; |
| 92 | sin.sin_addr.s_addr = htonl(0x7f000001); /* 127.0.0.1 */ |
| 93 | sin.sin_port = 0; /* "You pick!" */ |
| 94 | |
| 95 | listener1 = evconnlistener_new_bind(base, acceptcb, &count1, |
| 96 | flags, -1, (struct sockaddr *)&sin, sizeof(sin)); |
| 97 | tt_assert(listener1); |
| 98 | listener2 = evconnlistener_new_bind(base, acceptcb, &count2, |
| 99 | flags, -1, (struct sockaddr *)&sin, sizeof(sin)); |
| 100 | tt_assert(listener2); |
| 101 | |
| 102 | tt_int_op(evconnlistener_get_fd(listener1), >=, 0); |
| 103 | tt_int_op(evconnlistener_get_fd(listener2), >=, 0); |
| 104 | tt_assert(getsockname(evconnlistener_get_fd(listener1), |
| 105 | (struct sockaddr*)&ss1, &slen1) == 0); |
| 106 | tt_assert(getsockname(evconnlistener_get_fd(listener2), |
| 107 | (struct sockaddr*)&ss2, &slen2) == 0); |
| 108 | tt_int_op(ss1.ss_family, ==, AF_INET); |
| 109 | tt_int_op(ss2.ss_family, ==, AF_INET); |
| 110 | |
| 111 | sin1 = (struct sockaddr_in*)&ss1; |
| 112 | sin2 = (struct sockaddr_in*)&ss2; |
| 113 | tt_int_op(ntohl(sin1->sin_addr.s_addr), ==, 0x7f000001); |
| 114 | tt_int_op(ntohl(sin2->sin_addr.s_addr), ==, 0x7f000001); |
| 115 | tt_int_op(sin1->sin_port, !=, sin2->sin_port); |
| 116 | |
| 117 | tt_ptr_op(evconnlistener_get_base(listener1), ==, base); |
| 118 | tt_ptr_op(evconnlistener_get_base(listener2), ==, base); |
| 119 | |
| 120 | fd1 = fd2 = fd3 = -1; |
| 121 | evutil_socket_connect_(&fd1, (struct sockaddr*)&ss1, slen1); |
| 122 | evutil_socket_connect_(&fd2, (struct sockaddr*)&ss1, slen1); |
| 123 | evutil_socket_connect_(&fd3, (struct sockaddr*)&ss2, slen2); |
| 124 | |
| 125 | #ifdef _WIN32 |
| 126 | Sleep(100); /* XXXX this is a stupid stopgap. */ |
| 127 | #endif |
| 128 | event_base_dispatch(base); |
| 129 | |
| 130 | tt_int_op(count1, ==, 0); |
| 131 | tt_int_op(count2, ==, 0); |
| 132 | |
| 133 | end: |
| 134 | if (fd1>=0) |
| 135 | EVUTIL_CLOSESOCKET(fd1); |
| 136 | if (fd2>=0) |
| 137 | EVUTIL_CLOSESOCKET(fd2); |
| 138 | if (fd3>=0) |
| 139 | EVUTIL_CLOSESOCKET(fd3); |
| 140 | if (listener1) |
| 141 | evconnlistener_free(listener1); |
| 142 | if (listener2) |
| 143 | evconnlistener_free(listener2); |
| 144 | } |
| 145 | |
| 146 | static void |
| 147 | errorcb(struct evconnlistener *lis, void *data_) |
| 148 | { |
| 149 | int *data = data_; |
| 150 | *data = 1000; |
| 151 | evconnlistener_disable(lis); |
| 152 | } |
| 153 | |
| 154 | static void |
| 155 | regress_listener_error(void *arg) |
| 156 | { |
| 157 | struct basic_test_data *data = arg; |
| 158 | struct event_base *base = data->base; |
| 159 | struct evconnlistener *listener = NULL; |
| 160 | int count = 1; |
| 161 | unsigned int flags = LEV_OPT_CLOSE_ON_FREE|LEV_OPT_REUSEABLE; |
| 162 | |
| 163 | if (data->setup_data && strstr((char*)data->setup_data, "ts")) { |
| 164 | flags |= LEV_OPT_THREADSAFE; |
| 165 | } |
| 166 | |
| 167 | /* send, so that pair[0] will look 'readable'*/ |
| 168 | tt_int_op(send(data->pair[1], "hello", 5, 0), >, 0); |
| 169 | |
| 170 | /* Start a listener with a bogus socket. */ |
| 171 | listener = evconnlistener_new(base, acceptcb, &count, |
| 172 | flags, 0, |
| 173 | data->pair[0]); |
| 174 | tt_assert(listener); |
| 175 | |
| 176 | evconnlistener_set_error_cb(listener, errorcb); |
| 177 | |
| 178 | tt_assert(listener); |
| 179 | |
| 180 | event_base_dispatch(base); |
| 181 | tt_int_op(count,==,1000); /* set by error cb */ |
| 182 | |
| 183 | end: |
| 184 | if (listener) |
| 185 | evconnlistener_free(listener); |
| 186 | } |
| 187 | |
| 188 | #ifdef EVENT__HAVE_SETRLIMIT |
| 189 | static void |
| 190 | regress_listener_error_unlock(void *arg) |
| 191 | { |
| 192 | struct basic_test_data *data = arg; |
| 193 | struct event_base *base = data->base; |
| 194 | struct evconnlistener *listener = NULL; |
| 195 | unsigned int flags = |
| 196 | LEV_OPT_CLOSE_ON_FREE|LEV_OPT_REUSEABLE|LEV_OPT_THREADSAFE; |
| 197 | |
| 198 | tt_int_op(send(data->pair[1], "hello", 5, 0), >, 0); |
| 199 | |
| 200 | /* Start a listener with a bogus socket. */ |
| 201 | listener = evconnlistener_new(base, acceptcb, NULL, flags, 0, data->pair[0]); |
| 202 | tt_assert(listener); |
| 203 | |
| 204 | /** accept() must errored out with EMFILE */ |
| 205 | { |
| 206 | struct rlimit rl; |
| 207 | rl.rlim_cur = rl.rlim_max = data->pair[1]; |
| 208 | if (setrlimit(RLIMIT_NOFILE, &rl) == -1) { |
| 209 | TT_DIE(("Can't change RLIMIT_NOFILE")); |
| 210 | } |
| 211 | } |
| 212 | |
| 213 | event_base_loop(base, EVLOOP_ONCE); |
| 214 | |
| 215 | /** with lock debugging, can fail on lock->count assertion */ |
| 216 | |
| 217 | end: |
| 218 | if (listener) |
| 219 | evconnlistener_free(listener); |
| 220 | } |
| 221 | #endif |
| 222 | |
| 223 | struct testcase_t listener_testcases[] = { |
| 224 | |
| 225 | { "randport", regress_pick_a_port, TT_FORK|TT_NEED_BASE, |
| 226 | &basic_setup, NULL}, |
| 227 | |
| 228 | { "randport_ts", regress_pick_a_port, TT_FORK|TT_NEED_BASE, |
| 229 | &basic_setup, (char*)"ts"}, |
| 230 | |
| 231 | #ifdef EVENT__HAVE_SETRLIMIT |
| 232 | { "error_unlock", regress_listener_error_unlock, |
| 233 | TT_FORK|TT_NEED_BASE|TT_NEED_SOCKETPAIR, |
| 234 | &basic_setup, NULL}, |
| 235 | #endif |
| 236 | |
| 237 | { "error", regress_listener_error, |
| 238 | TT_FORK|TT_NEED_BASE|TT_NEED_SOCKETPAIR, |
| 239 | &basic_setup, NULL}, |
| 240 | |
| 241 | { "error_ts", regress_listener_error, |
| 242 | TT_FORK|TT_NEED_BASE|TT_NEED_SOCKETPAIR, |
| 243 | &basic_setup, (char*)"ts"}, |
| 244 | |
| 245 | END_OF_TESTCASES, |
| 246 | }; |
| 247 | |
| 248 | struct testcase_t listener_iocp_testcases[] = { |
| 249 | { "randport", regress_pick_a_port, |
| 250 | TT_FORK|TT_NEED_BASE|TT_ENABLE_IOCP, |
| 251 | &basic_setup, NULL}, |
| 252 | |
| 253 | { "error", regress_listener_error, |
| 254 | TT_FORK|TT_NEED_BASE|TT_NEED_SOCKETPAIR|TT_ENABLE_IOCP, |
| 255 | &basic_setup, NULL}, |
| 256 | |
| 257 | END_OF_TESTCASES, |
| 258 | }; |