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 44 #include <string.h> 45 46 #include "event2/listener.h" 47 #include "event2/event.h" 48 #include "event2/util.h" 49 50 #include "regress.h" 51 #include "tinytest.h" 52 #include "tinytest_macros.h" 53 54 static void 55 acceptcb(struct evconnlistener *listener, evutil_socket_t fd, 56 struct sockaddr *addr, int socklen, void *arg) 57 { 58 int *ptr = arg; 59 --*ptr; 60 TT_BLATHER(("Got one for %p", ptr)); 61 evutil_closesocket(fd); 62 63 if (! *ptr) 64 evconnlistener_disable(listener); 65 } 66 67 static void 68 regress_pick_a_port(void *arg) 69 { 70 struct basic_test_data *data = arg; 71 struct event_base *base = data->base; 72 struct evconnlistener *listener1 = NULL, *listener2 = NULL; 73 struct sockaddr_in sin; 74 int count1 = 2, count2 = 1; 75 struct sockaddr_storage ss1, ss2; 76 struct sockaddr_in *sin1, *sin2; 77 ev_socklen_t slen1 = sizeof(ss1), slen2 = sizeof(ss2); 78 unsigned int flags = 79 LEV_OPT_CLOSE_ON_FREE|LEV_OPT_REUSEABLE|LEV_OPT_CLOSE_ON_EXEC; 80 81 evutil_socket_t fd1 = -1, fd2 = -1, fd3 = -1; 82 83 if (data->setup_data && strstr((char*)data->setup_data, "ts")) { 84 flags |= LEV_OPT_THREADSAFE; 85 } 86 87 memset(&sin, 0, sizeof(sin)); 88 sin.sin_family = AF_INET; 89 sin.sin_addr.s_addr = htonl(0x7f000001); /* 127.0.0.1 */ 90 sin.sin_port = 0; /* "You pick!" */ 91 92 listener1 = evconnlistener_new_bind(base, acceptcb, &count1, 93 flags, -1, (struct sockaddr *)&sin, sizeof(sin)); 94 tt_assert(listener1); 95 listener2 = evconnlistener_new_bind(base, acceptcb, &count2, 96 flags, -1, (struct sockaddr *)&sin, sizeof(sin)); 97 tt_assert(listener2); 98 99 tt_int_op(evconnlistener_get_fd(listener1), >=, 0); 100 tt_int_op(evconnlistener_get_fd(listener2), >=, 0); 101 tt_assert(getsockname(evconnlistener_get_fd(listener1), 102 (struct sockaddr*)&ss1, &slen1) == 0); 103 tt_assert(getsockname(evconnlistener_get_fd(listener2), 104 (struct sockaddr*)&ss2, &slen2) == 0); 105 tt_int_op(ss1.ss_family, ==, AF_INET); 106 tt_int_op(ss2.ss_family, ==, AF_INET); 107 108 sin1 = (struct sockaddr_in*)&ss1; 109 sin2 = (struct sockaddr_in*)&ss2; 110 tt_int_op(ntohl(sin1->sin_addr.s_addr), ==, 0x7f000001); 111 tt_int_op(ntohl(sin2->sin_addr.s_addr), ==, 0x7f000001); 112 tt_int_op(sin1->sin_port, !=, sin2->sin_port); 113 114 tt_ptr_op(evconnlistener_get_base(listener1), ==, base); 115 tt_ptr_op(evconnlistener_get_base(listener2), ==, base); 116 117 fd1 = fd2 = fd3 = -1; 118 evutil_socket_connect_(&fd1, (struct sockaddr*)&ss1, slen1); 119 evutil_socket_connect_(&fd2, (struct sockaddr*)&ss1, slen1); 120 evutil_socket_connect_(&fd3, (struct sockaddr*)&ss2, slen2); 121 122 #ifdef _WIN32 123 Sleep(100); /* XXXX this is a stupid stopgap. */ 124 #endif 125 event_base_dispatch(base); 126 127 tt_int_op(count1, ==, 0); 128 tt_int_op(count2, ==, 0); 129 130 end: 131 if (fd1>=0) 132 EVUTIL_CLOSESOCKET(fd1); 133 if (fd2>=0) 134 EVUTIL_CLOSESOCKET(fd2); 135 if (fd3>=0) 136 EVUTIL_CLOSESOCKET(fd3); 137 if (listener1) 138 evconnlistener_free(listener1); 139 if (listener2) 140 evconnlistener_free(listener2); 141 } 142 143 static void 144 errorcb(struct evconnlistener *lis, void *data_) 145 { 146 int *data = data_; 147 *data = 1000; 148 evconnlistener_disable(lis); 149 } 150 151 static void 152 regress_listener_error(void *arg) 153 { 154 struct basic_test_data *data = arg; 155 struct event_base *base = data->base; 156 struct evconnlistener *listener = NULL; 157 int count = 1; 158 unsigned int flags = LEV_OPT_CLOSE_ON_FREE|LEV_OPT_REUSEABLE; 159 160 if (data->setup_data && strstr((char*)data->setup_data, "ts")) { 161 flags |= LEV_OPT_THREADSAFE; 162 } 163 164 /* send, so that pair[0] will look 'readable'*/ 165 tt_int_op(send(data->pair[1], "hello", 5, 0), >, 0); 166 167 /* Start a listener with a bogus socket. */ 168 listener = evconnlistener_new(base, acceptcb, &count, 169 flags, 0, 170 data->pair[0]); 171 tt_assert(listener); 172 173 evconnlistener_set_error_cb(listener, errorcb); 174 175 tt_assert(listener); 176 177 event_base_dispatch(base); 178 tt_int_op(count,==,1000); /* set by error cb */ 179 180 end: 181 if (listener) 182 evconnlistener_free(listener); 183 } 184 185 struct testcase_t listener_testcases[] = { 186 187 { "randport", regress_pick_a_port, TT_FORK|TT_NEED_BASE, 188 &basic_setup, NULL}, 189 190 { "randport_ts", regress_pick_a_port, TT_FORK|TT_NEED_BASE, 191 &basic_setup, (char*)"ts"}, 192 193 { "error", regress_listener_error, 194 TT_FORK|TT_NEED_BASE|TT_NEED_SOCKETPAIR, 195 &basic_setup, NULL}, 196 197 { "error_ts", regress_listener_error, 198 TT_FORK|TT_NEED_BASE|TT_NEED_SOCKETPAIR, 199 &basic_setup, (char*)"ts"}, 200 201 END_OF_TESTCASES, 202 }; 203 204 struct testcase_t listener_iocp_testcases[] = { 205 { "randport", regress_pick_a_port, 206 TT_FORK|TT_NEED_BASE|TT_ENABLE_IOCP, 207 &basic_setup, NULL}, 208 209 { "error", regress_listener_error, 210 TT_FORK|TT_NEED_BASE|TT_NEED_SOCKETPAIR|TT_ENABLE_IOCP, 211 &basic_setup, NULL}, 212 213 END_OF_TESTCASES, 214 }; 215