sockets/unix_passfd/unix_passfd.c

41  * data", or control messages.  This regression test is intended to exercise
44  * there are cyclic file descriptor references.  Right now we test only with
45  * stream sockets, but ideally we'd also test with datagram sockets.
49 domainsocketpair(const char *test, int *fdp)
53 		err(-1, "%s: socketpair(PF_UNIX, SOCK_STREAM)", test);
65 tempfile(const char *test, int *fdp)
73 		err(-1, "%s: mkstemp(%s)", test, path);
79 dofstat(const char *test, int fd, struct stat *sb)
83 		err(-1, "%s: fstat", test);
87 samefile(const char *test, struct stat *sb1, struct stat *sb2)
91 		err(-1, "%s: samefile: different device", test);
93 		err(-1, "%s: samefile: different inode", test);
97 sendfd(const char *test, int sockfd, int sendfd)
129 		err(-1, "%s: sendmsg", test);
131 		errx(-1, "%s: sendmsg: %d bytes sent", test, len);
135 recvfd(const char *test, int sockfd, int *recvfd)
171 		err(-1, "%s: recvmsg", test);
173 		errx(-1, "%s: recvmsg: %d bytes received", test, len);
175 		errx(-1, "%s: recvmsg: received fd -1", test);
184 	const char *test;
187 	 * First test: put a temporary file into a UNIX domain socket, then
191 	test = "test1-simplesendfd";
192 	printf("beginning %s\n", test);
194 	domainsocketpair(test, fd);
195 	tempfile(test, &putfd_1);
196 	dofstat(test, putfd_1, &putfd_1_stat);
197 	sendfd(test, fd[0], putfd_1);
198 	recvfd(test, fd[1], &getfd_1);
199 	dofstat(test, getfd_1, &getfd_1_stat);
200 	samefile(test, &putfd_1_stat, &getfd_1_stat);
205 	printf("%s passed\n", test);
208 	 * Second test: same as first, only close the file reference after
212 	test = "test2-sendandclose";
213 	printf("beginning %s\n", test);
215 	domainsocketpair(test, fd);
216 	tempfile(test, &putfd_1);
217 	dofstat(test, putfd_1, &putfd_1_stat);
218 	sendfd(test, fd[0], putfd_1);
220 	recvfd(test, fd[1], &getfd_1);
221 	dofstat(test, getfd_1, &getfd_1_stat);
222 	samefile(test, &putfd_1_stat, &getfd_1_stat);
226 	printf("%s passed\n", test);
229 	 * Third test: put a temporary file into a UNIX domain socket, then
232 	test = "test3-sendandcancel";
233 	printf("beginning %s\n", test);
235 	domainsocketpair(test, fd);
236 	tempfile(test, &putfd_1);
237 	sendfd(test, fd[0], putfd_1);
241 	printf("%s passed\n", test);
248 	test = "test4-twofile";
249 	printf("beginning %s\n", test);
251 	domainsocketpair(test, fd);
252 	tempfile(test, &putfd_1);
253 	tempfile(test, &putfd_2);
254 	dofstat(test, putfd_1, &putfd_1_stat);
255 	dofstat(test, putfd_2, &putfd_2_stat);
256 	sendfd(test, fd[0], putfd_1);
257 	sendfd(test, fd[0], putfd_2);
260 	recvfd(test, fd[1], &getfd_1);
261 	recvfd(test, fd[1], &getfd_2);
262 	dofstat(test, getfd_1, &getfd_1_stat);
263 	dofstat(test, getfd_2, &getfd_2_stat);
264 	samefile(test, &putfd_1_stat, &getfd_1_stat);
265 	samefile(test, &putfd_2_stat, &getfd_2_stat);
270 	printf("%s passed\n", test);
273 	 * Big bundling test.  Send an endpoint of the UNIX domain socket
277 	test = "test5-bundle";
278 	printf("beginning %s\n", test);
280 	domainsocketpair(test, fd);
282 	sendfd(test, fd[0], fd[0]);
284 	recvfd(test, fd[1], &getfd_1);
288 	printf("%s passed\n", test);
291 	 * Big bundling test part two: Send an endpoint of the UNIX domain
296 	test = "test6-bundlecancel";
297 	printf("beginning %s\n", test);
299 	domainsocketpair(test, fd);
300 	sendfd(test, fd[0], fd[0]);
301 	sendfd(test, fd[1], fd[0]);
304 	printf("%s passed\n", test);