2 * Tests for util/qemu-sockets.c
4 * Copyright 2018 Red Hat, Inc.
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this library; if not, see <http://www.gnu.org/licenses/>.
21 #include "qemu/osdep.h"
22 #include "qemu-common.h"
23 #include "qemu/sockets.h"
24 #include "qapi/error.h"
25 #include "socket-helpers.h"
26 #include "monitor/monitor.h"
28 static void test_fd_is_socket_bad(void)
30 char *tmp = g_strdup("qemu-test-util-sockets-XXXXXX");
31 int fd = mkstemp(tmp);
39 g_assert(!fd_is_socket(fd));
43 static void test_fd_is_socket_good(void)
45 int fd = qemu_socket(PF_INET, SOCK_STREAM, 0);
49 g_assert(fd_is_socket(fd));
53 static int mon_fd = -1;
54 static const char *mon_fdname;
55 __thread Monitor *cur_mon;
57 int monitor_get_fd(Monitor *mon, const char *fdname, Error **errp)
60 g_assert(mon == cur_mon);
61 if (mon_fd == -1 || !g_str_equal(mon_fdname, fdname)) {
62 error_setg(errp, "No fd named %s", fdname);
69 * Syms of stubs in libqemuutil.a are discarded at .o file
70 * granularity. To replace monitor_get_fd() and monitor_cur(), we
71 * must ensure that we also replace any other symbol that is used in
72 * the binary and would be taken from the same stub object file,
73 * otherwise we get duplicate syms at link time.
75 Monitor *monitor_cur(void) { return cur_mon; }
76 int monitor_vprintf(Monitor *mon, const char *fmt, va_list ap) { abort(); }
79 static void test_socket_fd_pass_name_good(void)
84 cur_mon = g_malloc(1); /* Fake a monitor */
86 mon_fd = qemu_socket(AF_INET, SOCK_STREAM, 0);
87 g_assert_cmpint(mon_fd, >, STDERR_FILENO);
89 addr.type = SOCKET_ADDRESS_TYPE_FD;
90 addr.u.fd.str = g_strdup(mon_fdname);
92 fd = socket_connect(&addr, &error_abort);
93 g_assert_cmpint(fd, !=, -1);
94 g_assert_cmpint(fd, !=, mon_fd);
97 fd = socket_listen(&addr, 1, &error_abort);
98 g_assert_cmpint(fd, !=, -1);
99 g_assert_cmpint(fd, !=, mon_fd);
102 g_free(addr.u.fd.str);
110 static void test_socket_fd_pass_name_bad(void)
116 cur_mon = g_malloc(1); /* Fake a monitor */
118 mon_fd = dup(STDOUT_FILENO);
119 g_assert_cmpint(mon_fd, >, STDERR_FILENO);
121 addr.type = SOCKET_ADDRESS_TYPE_FD;
122 addr.u.fd.str = g_strdup(mon_fdname);
124 fd = socket_connect(&addr, &err);
125 g_assert_cmpint(fd, ==, -1);
126 error_free_or_abort(&err);
128 fd = socket_listen(&addr, 1, &err);
129 g_assert_cmpint(fd, ==, -1);
130 error_free_or_abort(&err);
132 g_free(addr.u.fd.str);
140 static void test_socket_fd_pass_name_nomon(void)
146 g_assert(cur_mon == NULL);
148 addr.type = SOCKET_ADDRESS_TYPE_FD;
149 addr.u.fd.str = g_strdup("myfd");
151 fd = socket_connect(&addr, &err);
152 g_assert_cmpint(fd, ==, -1);
153 error_free_or_abort(&err);
155 fd = socket_listen(&addr, 1, &err);
156 g_assert_cmpint(fd, ==, -1);
157 error_free_or_abort(&err);
159 g_free(addr.u.fd.str);
163 static void test_socket_fd_pass_num_good(void)
168 g_assert(cur_mon == NULL);
169 sfd = qemu_socket(AF_INET, SOCK_STREAM, 0);
170 g_assert_cmpint(sfd, >, STDERR_FILENO);
172 addr.type = SOCKET_ADDRESS_TYPE_FD;
173 addr.u.fd.str = g_strdup_printf("%d", sfd);
175 fd = socket_connect(&addr, &error_abort);
176 g_assert_cmpint(fd, ==, sfd);
178 fd = socket_listen(&addr, 1, &error_abort);
179 g_assert_cmpint(fd, ==, sfd);
181 g_free(addr.u.fd.str);
185 static void test_socket_fd_pass_num_bad(void)
191 g_assert(cur_mon == NULL);
192 sfd = dup(STDOUT_FILENO);
194 addr.type = SOCKET_ADDRESS_TYPE_FD;
195 addr.u.fd.str = g_strdup_printf("%d", sfd);
197 fd = socket_connect(&addr, &err);
198 g_assert_cmpint(fd, ==, -1);
199 error_free_or_abort(&err);
201 fd = socket_listen(&addr, 1, &err);
202 g_assert_cmpint(fd, ==, -1);
203 error_free_or_abort(&err);
205 g_free(addr.u.fd.str);
209 static void test_socket_fd_pass_num_nocli(void)
215 cur_mon = g_malloc(1); /* Fake a monitor */
217 addr.type = SOCKET_ADDRESS_TYPE_FD;
218 addr.u.fd.str = g_strdup_printf("%d", STDOUT_FILENO);
220 fd = socket_connect(&addr, &err);
221 g_assert_cmpint(fd, ==, -1);
222 error_free_or_abort(&err);
224 fd = socket_listen(&addr, 1, &err);
225 g_assert_cmpint(fd, ==, -1);
226 error_free_or_abort(&err);
228 g_free(addr.u.fd.str);
234 #define ABSTRACT_SOCKET_VARIANTS 3
237 SocketAddress *server, *client[ABSTRACT_SOCKET_VARIANTS];
238 bool expect_connect[ABSTRACT_SOCKET_VARIANTS];
239 } abstract_socket_matrix_row;
241 static gpointer unix_client_thread_func(gpointer user_data)
243 abstract_socket_matrix_row *row = user_data;
247 for (i = 0; i < ABSTRACT_SOCKET_VARIANTS; i++) {
248 if (row->expect_connect[i]) {
249 fd = socket_connect(row->client[i], &error_abort);
250 g_assert_cmpint(fd, >=, 0);
252 fd = socket_connect(row->client[i], &err);
253 g_assert_cmpint(fd, ==, -1);
254 error_free_or_abort(&err);
261 static void test_socket_unix_abstract_row(abstract_socket_matrix_row *test)
265 struct sockaddr_un un;
266 socklen_t len = sizeof(un);
268 /* Last one must connect, or else accept() below hangs */
269 assert(test->expect_connect[ABSTRACT_SOCKET_VARIANTS - 1]);
271 fd = socket_listen(test->server, 1, &error_abort);
272 g_assert_cmpint(fd, >=, 0);
273 g_assert(fd_is_socket(fd));
275 cli = g_thread_new("abstract_unix_client",
276 unix_client_thread_func,
279 for (i = 0; i < ABSTRACT_SOCKET_VARIANTS; i++) {
280 if (test->expect_connect[i]) {
281 connfd = accept(fd, (struct sockaddr *)&un, &len);
282 g_assert_cmpint(connfd, !=, -1);
291 static void test_socket_unix_abstract(void)
293 SocketAddress addr, addr_tight, addr_padded;
294 abstract_socket_matrix_row matrix[ABSTRACT_SOCKET_VARIANTS] = {
296 { &addr_tight, &addr_padded, &addr },
297 { true, false, true } },
299 { &addr_padded, &addr, &addr_tight },
300 { false, true, true } },
302 { &addr, &addr_tight, &addr_padded },
303 { false, false, true } }
307 addr.type = SOCKET_ADDRESS_TYPE_UNIX;
308 addr.u.q_unix.path = g_strdup_printf("unix-%d-%u",
309 getpid(), g_random_int());
310 addr.u.q_unix.has_abstract = true;
311 addr.u.q_unix.abstract = true;
312 addr.u.q_unix.has_tight = false;
313 addr.u.q_unix.tight = false;
316 addr_tight.u.q_unix.has_tight = true;
317 addr_tight.u.q_unix.tight = true;
320 addr_padded.u.q_unix.has_tight = true;
321 addr_padded.u.q_unix.tight = false;
323 for (i = 0; i < ABSTRACT_SOCKET_VARIANTS; i++) {
324 test_socket_unix_abstract_row(&matrix[i]);
327 g_free(addr.u.q_unix.path);
330 #endif /* CONFIG_LINUX */
332 int main(int argc, char **argv)
334 bool has_ipv4, has_ipv6;
336 qemu_init_main_loop(&error_abort);
339 g_test_init(&argc, &argv, NULL);
341 /* We're creating actual IPv4/6 sockets, so we should
342 * check if the host running tests actually supports
343 * each protocol to avoid breaking tests on machines
344 * with either IPv4 or IPv6 disabled.
346 if (socket_check_protocol_support(&has_ipv4, &has_ipv6) < 0) {
347 g_printerr("socket_check_protocol_support() failed\n");
352 g_test_add_func("/util/socket/is-socket/bad",
353 test_fd_is_socket_bad);
354 g_test_add_func("/util/socket/is-socket/good",
355 test_fd_is_socket_good);
357 g_test_add_func("/socket/fd-pass/name/good",
358 test_socket_fd_pass_name_good);
359 g_test_add_func("/socket/fd-pass/name/bad",
360 test_socket_fd_pass_name_bad);
361 g_test_add_func("/socket/fd-pass/name/nomon",
362 test_socket_fd_pass_name_nomon);
363 g_test_add_func("/socket/fd-pass/num/good",
364 test_socket_fd_pass_num_good);
365 g_test_add_func("/socket/fd-pass/num/bad",
366 test_socket_fd_pass_num_bad);
367 g_test_add_func("/socket/fd-pass/num/nocli",
368 test_socket_fd_pass_num_nocli);
373 g_test_add_func("/util/socket/unix-abstract",
374 test_socket_unix_abstract);