xref: /freebsd/tests/sys/audit/network.c (revision 95ee2897e98f5d444f26ed2334cc7c439f9c16c6)
1 /*-
2  * Copyright (c) 2018 Aniket Pandey
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  *
13  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
14  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
16  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
17  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
18  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
19  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23  * SUCH DAMAGE.
24  *
25  * $FreeBSD$
26  */
27 
28 #include <sys/types.h>
29 #include <sys/socket.h>
30 #include <sys/stat.h>
31 #include <sys/uio.h>
32 #include <sys/un.h>
33 
34 #include <atf-c.h>
35 #include <fcntl.h>
36 #include <stdarg.h>
37 #include <unistd.h>
38 
39 #include "utils.h"
40 
41 #define MAX_DATA 128
42 #define SERVER_PATH "server"
43 
44 static pid_t pid;
45 static mode_t mode = 0777;
46 static int sockfd, sockfd2, connectfd;
47 static ssize_t data_bytes;
48 static socklen_t len = sizeof(struct sockaddr_un);
49 static struct iovec io1, io2;
50 static struct pollfd fds[1];
51 static struct sockaddr_un server;
52 static struct msghdr sendbuf, recvbuf;
53 static char extregex[MAX_DATA];
54 static char data[MAX_DATA];
55 static char msgbuff[MAX_DATA] = "This message does not exist";
56 static const char *auclass = "nt";
57 static const char *path = "fileforaudit";
58 static const char *nosupregex = "return,failure : Address family "
59 				"not supported by protocol family";
60 static const char *invalregex = "return,failure : Bad file descriptor";
61 
62 /*
63  * Initialize iovec structure to be used as a field of struct msghdr
64  */
65 static void
66 init_iov(struct iovec *io, char msgbuf[], int datalen)
67 {
68 	io->iov_base = msgbuf;
69 	io->iov_len = datalen;
70 }
71 
72 /*
73  * Initialize msghdr structure for communication via datagram sockets
74  */
75 static void
76 init_msghdr(struct msghdr *hdrbuf, struct iovec *io, struct sockaddr_un *addr)
77 {
78 	socklen_t length;
79 
80 	bzero(hdrbuf, sizeof(*hdrbuf));
81 	length = (socklen_t)sizeof(struct sockaddr_un);
82 	hdrbuf->msg_name = addr;
83 	hdrbuf->msg_namelen = length;
84 	hdrbuf->msg_iov = io;
85 	hdrbuf->msg_iovlen = 1;
86 }
87 
88 /*
89  * Variadic function to close socket descriptors
90  */
91 static void
92 close_sockets(int count, ...)
93 {
94 	int sockd;
95 	va_list socklist;
96 	va_start(socklist, count);
97 	for (sockd = 0; sockd < count; sockd++) {
98 		close(va_arg(socklist, int));
99 	}
100 	va_end(socklist);
101 }
102 
103 /*
104  * Assign local filesystem address to a Unix domain socket
105  */
106 static void
107 assign_address(struct sockaddr_un *serveraddr)
108 {
109 	memset(serveraddr, 0, sizeof(*serveraddr));
110 	serveraddr->sun_family = AF_UNIX;
111 	strcpy(serveraddr->sun_path, SERVER_PATH);
112 }
113 
114 
115 ATF_TC_WITH_CLEANUP(socket_success);
116 ATF_TC_HEAD(socket_success, tc)
117 {
118 	atf_tc_set_md_var(tc, "descr", "Tests the audit of a successful "
119 					"socket(2) call");
120 }
121 
122 ATF_TC_BODY(socket_success, tc)
123 {
124 	FILE *pipefd = setup(fds, auclass);
125 	ATF_REQUIRE((sockfd = socket(PF_UNIX, SOCK_STREAM, 0)) != -1);
126 	/* Check the presence of sockfd in audit record */
127 	snprintf(extregex, sizeof(extregex), "socket.*ret.*success,%d", sockfd);
128 	check_audit(fds, extregex, pipefd);
129 	close(sockfd);
130 }
131 
132 ATF_TC_CLEANUP(socket_success, tc)
133 {
134 	cleanup();
135 }
136 
137 
138 ATF_TC_WITH_CLEANUP(socket_failure);
139 ATF_TC_HEAD(socket_failure, tc)
140 {
141 	atf_tc_set_md_var(tc, "descr", "Tests the audit of an unsuccessful "
142 					"socket(2) call");
143 }
144 
145 ATF_TC_BODY(socket_failure, tc)
146 {
147 	snprintf(extregex, sizeof(extregex), "socket.*%s", nosupregex);
148 	FILE *pipefd = setup(fds, auclass);
149 	/* Failure reason: Unsupported value of 'domain' argument: 0 */
150 	ATF_REQUIRE_EQ(-1, socket(0, SOCK_STREAM, 0));
151 	check_audit(fds, extregex, pipefd);
152 }
153 
154 ATF_TC_CLEANUP(socket_failure, tc)
155 {
156 	cleanup();
157 }
158 
159 
160 ATF_TC_WITH_CLEANUP(socketpair_success);
161 ATF_TC_HEAD(socketpair_success, tc)
162 {
163 	atf_tc_set_md_var(tc, "descr", "Tests the audit of a successful "
164 					"socketpair(2) call");
165 }
166 
167 ATF_TC_BODY(socketpair_success, tc)
168 {
169 	int sv[2];
170 	FILE *pipefd = setup(fds, auclass);
171 	ATF_REQUIRE_EQ(0, socketpair(PF_UNIX, SOCK_STREAM, 0, sv));
172 
173 	/* Check for 0x0 (argument 3: default protocol) in the audit record */
174 	snprintf(extregex, sizeof(extregex), "socketpair.*0x0.*return,success");
175 	check_audit(fds, extregex, pipefd);
176 	close_sockets(2, sv[0], sv[1]);
177 }
178 
179 ATF_TC_CLEANUP(socketpair_success, tc)
180 {
181 	cleanup();
182 }
183 
184 
185 ATF_TC_WITH_CLEANUP(socketpair_failure);
186 ATF_TC_HEAD(socketpair_failure, tc)
187 {
188 	atf_tc_set_md_var(tc, "descr", "Tests the audit of an unsuccessful "
189 					"socketpair(2) call");
190 }
191 
192 ATF_TC_BODY(socketpair_failure, tc)
193 {
194 	snprintf(extregex, sizeof(extregex), "socketpair.*%s", nosupregex);
195 	FILE *pipefd = setup(fds, auclass);
196 	/* Failure reason: Unsupported value of 'domain' argument: 0 */
197 	ATF_REQUIRE_EQ(-1, socketpair(0, SOCK_STREAM, 0, NULL));
198 	check_audit(fds, extregex, pipefd);
199 }
200 
201 ATF_TC_CLEANUP(socketpair_failure, tc)
202 {
203 	cleanup();
204 }
205 
206 
207 ATF_TC_WITH_CLEANUP(setsockopt_success);
208 ATF_TC_HEAD(setsockopt_success, tc)
209 {
210 	atf_tc_set_md_var(tc, "descr", "Tests the audit of a successful "
211 					"setsockopt(2) call");
212 }
213 
214 ATF_TC_BODY(setsockopt_success, tc)
215 {
216 	int tr = 1;
217 	ATF_REQUIRE((sockfd = socket(PF_UNIX, SOCK_STREAM, 0)) != -1);
218 	/* Check the presence of sockfd in audit record */
219 	snprintf(extregex, sizeof(extregex),
220 			"setsockopt.*0x%x.*return,success", sockfd);
221 
222 	FILE *pipefd = setup(fds, auclass);
223 	ATF_REQUIRE_EQ(0, setsockopt(sockfd, SOL_SOCKET,
224 		SO_REUSEADDR, &tr, sizeof(int)));
225 	check_audit(fds, extregex, pipefd);
226 	close(sockfd);
227 }
228 
229 ATF_TC_CLEANUP(setsockopt_success, tc)
230 {
231 	cleanup();
232 }
233 
234 
235 ATF_TC_WITH_CLEANUP(setsockopt_failure);
236 ATF_TC_HEAD(setsockopt_failure, tc)
237 {
238 	atf_tc_set_md_var(tc, "descr", "Tests the audit of an unsuccessful "
239 					"setsockopt(2) call");
240 }
241 
242 ATF_TC_BODY(setsockopt_failure, tc)
243 {
244 	snprintf(extregex, sizeof(extregex), "setsockopt.*%s", invalregex);
245 	FILE *pipefd = setup(fds, auclass);
246 	/* Failure reason: Invalid socket descriptor */
247 	ATF_REQUIRE_EQ(-1, setsockopt(-1, SOL_SOCKET, 0, NULL, 0));
248 	check_audit(fds, extregex, pipefd);
249 }
250 
251 ATF_TC_CLEANUP(setsockopt_failure, tc)
252 {
253 	cleanup();
254 }
255 
256 
257 ATF_TC_WITH_CLEANUP(bind_success);
258 ATF_TC_HEAD(bind_success, tc)
259 {
260 	atf_tc_set_md_var(tc, "descr", "Tests the audit of a successful "
261 					"bind(2) call");
262 }
263 
264 ATF_TC_BODY(bind_success, tc)
265 {
266 	assign_address(&server);
267 	/* Preliminary socket setup */
268 	ATF_REQUIRE((sockfd = socket(PF_UNIX, SOCK_STREAM, 0)) != -1);
269 	/* Check the presence of AF_UNIX address path in audit record */
270 	snprintf(extregex, sizeof(extregex),
271 		"bind.*unix.*%s.*return,success", SERVER_PATH);
272 
273 	FILE *pipefd = setup(fds, auclass);
274 	ATF_REQUIRE_EQ(0, bind(sockfd, (struct sockaddr *)&server, len));
275 	check_audit(fds, extregex, pipefd);
276 	close(sockfd);
277 }
278 
279 ATF_TC_CLEANUP(bind_success, tc)
280 {
281 	cleanup();
282 }
283 
284 
285 ATF_TC_WITH_CLEANUP(bind_failure);
286 ATF_TC_HEAD(bind_failure, tc)
287 {
288 	atf_tc_set_md_var(tc, "descr", "Tests the audit of an unsuccessful "
289 					"bind(2) call");
290 }
291 
292 ATF_TC_BODY(bind_failure, tc)
293 {
294 	assign_address(&server);
295 	/* Check the presence of AF_UNIX path in audit record */
296 	snprintf(extregex, sizeof(extregex),
297 			"bind.*%s.*return,failure", SERVER_PATH);
298 
299 	FILE *pipefd = setup(fds, auclass);
300 	/* Failure reason: Invalid socket descriptor */
301 	ATF_REQUIRE_EQ(-1, bind(0, (struct sockaddr *)&server, len));
302 	check_audit(fds, extregex, pipefd);
303 }
304 
305 ATF_TC_CLEANUP(bind_failure, tc)
306 {
307 	cleanup();
308 }
309 
310 
311 ATF_TC_WITH_CLEANUP(bindat_success);
312 ATF_TC_HEAD(bindat_success, tc)
313 {
314 	atf_tc_set_md_var(tc, "descr", "Tests the audit of a successful "
315 					"bindat(2) call");
316 }
317 
318 ATF_TC_BODY(bindat_success, tc)
319 {
320 	assign_address(&server);
321 	/* Preliminary socket setup */
322 	ATF_REQUIRE((sockfd = socket(PF_UNIX, SOCK_STREAM, 0)) != -1);
323 	/* Check the presence of socket descriptor in audit record */
324 	snprintf(extregex, sizeof(extregex),
325 			"bindat.*0x%x.*return,success", sockfd);
326 
327 	FILE *pipefd = setup(fds, auclass);
328 	ATF_REQUIRE_EQ(0, bindat(AT_FDCWD, sockfd,
329 			(struct sockaddr *)&server, len));
330 	check_audit(fds, extregex, pipefd);
331 	close(sockfd);
332 }
333 
334 ATF_TC_CLEANUP(bindat_success, tc)
335 {
336 	cleanup();
337 }
338 
339 
340 ATF_TC_WITH_CLEANUP(bindat_failure);
341 ATF_TC_HEAD(bindat_failure, tc)
342 {
343 	atf_tc_set_md_var(tc, "descr", "Tests the audit of an unsuccessful "
344 					"bindat(2) call");
345 }
346 
347 ATF_TC_BODY(bindat_failure, tc)
348 {
349 	assign_address(&server);
350 	snprintf(extregex, sizeof(extregex), "bindat.*%s", invalregex);
351 
352 	FILE *pipefd = setup(fds, auclass);
353 	/* Failure reason: Invalid socket descriptor */
354 	ATF_REQUIRE_EQ(-1, bindat(AT_FDCWD, -1,
355 			(struct sockaddr *)&server, len));
356 	check_audit(fds, extregex, pipefd);
357 }
358 
359 ATF_TC_CLEANUP(bindat_failure, tc)
360 {
361 	cleanup();
362 }
363 
364 
365 ATF_TC_WITH_CLEANUP(listen_success);
366 ATF_TC_HEAD(listen_success, tc)
367 {
368 	atf_tc_set_md_var(tc, "descr", "Tests the audit of a successful "
369 					"listen(2) call");
370 }
371 
372 ATF_TC_BODY(listen_success, tc)
373 {
374 	assign_address(&server);
375 	/* Preliminary socket setup */
376 	ATF_REQUIRE((sockfd = socket(PF_UNIX, SOCK_STREAM, 0)) != -1);
377 	ATF_REQUIRE_EQ(0, bind(sockfd, (struct sockaddr *)&server, len));
378 	/* Check the presence of socket descriptor in the audit record */
379 	snprintf(extregex, sizeof(extregex),
380 			"listen.*0x%x.*return,success", sockfd);
381 
382 	FILE *pipefd = setup(fds, auclass);
383 	ATF_REQUIRE_EQ(0, listen(sockfd, 1));
384 	check_audit(fds, extregex, pipefd);
385 	close(sockfd);
386 }
387 
388 ATF_TC_CLEANUP(listen_success, tc)
389 {
390 	cleanup();
391 }
392 
393 
394 ATF_TC_WITH_CLEANUP(listen_failure);
395 ATF_TC_HEAD(listen_failure, tc)
396 {
397 	atf_tc_set_md_var(tc, "descr", "Tests the audit of an unsuccessful "
398 					"listen(2) call");
399 }
400 
401 ATF_TC_BODY(listen_failure, tc)
402 {
403 	snprintf(extregex, sizeof(extregex), "listen.*%s", invalregex);
404 	FILE *pipefd = setup(fds, auclass);
405 	/* Failure reason: Invalid socket descriptor */
406 	ATF_REQUIRE_EQ(-1, listen(-1, 1));
407 	check_audit(fds, extregex, pipefd);
408 }
409 
410 ATF_TC_CLEANUP(listen_failure, tc)
411 {
412 	cleanup();
413 }
414 
415 
416 ATF_TC_WITH_CLEANUP(connect_success);
417 ATF_TC_HEAD(connect_success, tc)
418 {
419 	atf_tc_set_md_var(tc, "descr", "Tests the audit of a successful "
420 					"connect(2) call");
421 }
422 
423 ATF_TC_BODY(connect_success, tc)
424 {
425 	assign_address(&server);
426 	/* Setup a server socket and bind to the specified address */
427 	ATF_REQUIRE((sockfd = socket(PF_UNIX, SOCK_STREAM, 0)) != -1);
428 	ATF_REQUIRE_EQ(0, bind(sockfd, (struct sockaddr *)&server, len));
429 	ATF_REQUIRE_EQ(0, listen(sockfd, 1));
430 
431 	/* Set up "blocking" client socket */
432 	ATF_REQUIRE((sockfd2 = socket(PF_UNIX, SOCK_STREAM, 0)) != -1);
433 
434 	/* Audit record must contain AF_UNIX address path & sockfd2 */
435 	snprintf(extregex, sizeof(extregex),
436 			"connect.*0x%x.*%s.*success", sockfd2, SERVER_PATH);
437 
438 	FILE *pipefd = setup(fds, auclass);
439 	ATF_REQUIRE_EQ(0, connect(sockfd2, (struct sockaddr *)&server, len));
440 	check_audit(fds, extregex, pipefd);
441 
442 	/* Close all socket descriptors */
443 	close_sockets(2, sockfd, sockfd2);
444 }
445 
446 ATF_TC_CLEANUP(connect_success, tc)
447 {
448 	cleanup();
449 }
450 
451 
452 ATF_TC_WITH_CLEANUP(connect_failure);
453 ATF_TC_HEAD(connect_failure, tc)
454 {
455 	atf_tc_set_md_var(tc, "descr", "Tests the audit of an unsuccessful "
456 					"connect(2) call");
457 }
458 
459 ATF_TC_BODY(connect_failure, tc)
460 {
461 	assign_address(&server);
462 	/* Audit record must contain AF_UNIX address path */
463 	snprintf(extregex, sizeof(extregex),
464 			"connect.*%s.*return,failure", SERVER_PATH);
465 
466 	FILE *pipefd = setup(fds, auclass);
467 	/* Failure reason: Invalid socket descriptor */
468 	ATF_REQUIRE_EQ(-1, connect(-1, (struct sockaddr *)&server, len));
469 	check_audit(fds, extregex, pipefd);
470 }
471 
472 ATF_TC_CLEANUP(connect_failure, tc)
473 {
474 	cleanup();
475 }
476 
477 
478 ATF_TC_WITH_CLEANUP(connectat_success);
479 ATF_TC_HEAD(connectat_success, tc)
480 {
481 	atf_tc_set_md_var(tc, "descr", "Tests the audit of a successful "
482 					"connectat(2) call");
483 }
484 
485 ATF_TC_BODY(connectat_success, tc)
486 {
487 	assign_address(&server);
488 	/* Setup a server socket and bind to the specified address */
489 	ATF_REQUIRE((sockfd = socket(PF_UNIX, SOCK_STREAM, 0)) != -1);
490 	ATF_REQUIRE_EQ(0, bind(sockfd, (struct sockaddr *)&server, len));
491 	ATF_REQUIRE_EQ(0, listen(sockfd, 1));
492 
493 	/* Set up "blocking" client socket */
494 	ATF_REQUIRE((sockfd2 = socket(PF_UNIX, SOCK_STREAM, 0)) != -1);
495 
496 	/* Audit record must contain sockfd2 */
497 	snprintf(extregex, sizeof(extregex),
498 			"connectat.*0x%x.*return,success", sockfd2);
499 
500 	FILE *pipefd = setup(fds, auclass);
501 	ATF_REQUIRE_EQ(0, connectat(AT_FDCWD, sockfd2,
502 			(struct sockaddr *)&server, len));
503 	check_audit(fds, extregex, pipefd);
504 
505 	/* Close all socket descriptors */
506 	close_sockets(2, sockfd, sockfd2);
507 }
508 
509 ATF_TC_CLEANUP(connectat_success, tc)
510 {
511 	cleanup();
512 }
513 
514 
515 ATF_TC_WITH_CLEANUP(connectat_failure);
516 ATF_TC_HEAD(connectat_failure, tc)
517 {
518 	atf_tc_set_md_var(tc, "descr", "Tests the audit of an unsuccessful "
519 					"connectat(2) call");
520 }
521 
522 ATF_TC_BODY(connectat_failure, tc)
523 {
524 	assign_address(&server);
525 	snprintf(extregex, sizeof(extregex), "connectat.*%s", invalregex);
526 
527 	FILE *pipefd = setup(fds, auclass);
528 	/* Failure reason: Invalid socket descriptor */
529 	ATF_REQUIRE_EQ(-1, connectat(AT_FDCWD, -1,
530 			(struct sockaddr *)&server, len));
531 	check_audit(fds, extregex, pipefd);
532 }
533 
534 ATF_TC_CLEANUP(connectat_failure, tc)
535 {
536 	cleanup();
537 }
538 
539 
540 ATF_TC_WITH_CLEANUP(accept_success);
541 ATF_TC_HEAD(accept_success, tc)
542 {
543 	atf_tc_set_md_var(tc, "descr", "Tests the audit of a successful "
544 					"accept(2) call");
545 }
546 
547 ATF_TC_BODY(accept_success, tc)
548 {
549 	assign_address(&server);
550 	/* Setup a server socket and bind to the specified address */
551 	ATF_REQUIRE((sockfd = socket(PF_UNIX, SOCK_STREAM, 0)) != -1);
552 	ATF_REQUIRE_EQ(0, bind(sockfd, (struct sockaddr *)&server, len));
553 	ATF_REQUIRE_EQ(0, listen(sockfd, 1));
554 
555 	/* Set up "blocking" client socket */
556 	ATF_REQUIRE((sockfd2 = socket(PF_UNIX, SOCK_STREAM, 0)) != -1);
557 	ATF_REQUIRE_EQ(0, connect(sockfd2, (struct sockaddr *)&server, len));
558 
559 	FILE *pipefd = setup(fds, auclass);
560 	ATF_REQUIRE((connectfd = accept(sockfd, NULL, &len)) != -1);
561 
562 	/* Audit record must contain connectfd & sockfd */
563 	snprintf(extregex, sizeof(extregex),
564 			"accept.*0x%x.*return,success,%d", sockfd, connectfd);
565 	check_audit(fds, extregex, pipefd);
566 
567 	/* Close all socket descriptors */
568 	close_sockets(3, sockfd, sockfd2, connectfd);
569 }
570 
571 ATF_TC_CLEANUP(accept_success, tc)
572 {
573 	cleanup();
574 }
575 
576 
577 ATF_TC_WITH_CLEANUP(accept_failure);
578 ATF_TC_HEAD(accept_failure, tc)
579 {
580 	atf_tc_set_md_var(tc, "descr", "Tests the audit of an unsuccessful "
581 					"accept(2) call");
582 }
583 
584 ATF_TC_BODY(accept_failure, tc)
585 {
586 	snprintf(extregex, sizeof(extregex), "accept.*%s", invalregex);
587 	FILE *pipefd = setup(fds, auclass);
588 	/* Failure reason: Invalid socket descriptor */
589 	ATF_REQUIRE_EQ(-1, accept(-1, NULL, NULL));
590 	check_audit(fds, extregex, pipefd);
591 }
592 
593 ATF_TC_CLEANUP(accept_failure, tc)
594 {
595 	cleanup();
596 }
597 
598 
599 ATF_TC_WITH_CLEANUP(send_success);
600 ATF_TC_HEAD(send_success, tc)
601 {
602 	atf_tc_set_md_var(tc, "descr", "Tests the audit of a successful "
603 					"send(2) call");
604 }
605 
606 ATF_TC_BODY(send_success, tc)
607 {
608 	assign_address(&server);
609 	/* Setup a server socket and bind to the specified address */
610 	ATF_REQUIRE((sockfd = socket(PF_UNIX, SOCK_STREAM, 0)) != -1);
611 	ATF_REQUIRE_EQ(0, bind(sockfd, (struct sockaddr *)&server, len));
612 	ATF_REQUIRE_EQ(0, listen(sockfd, 1));
613 
614 	/* Set up "blocking" client and connect with non-blocking server */
615 	ATF_REQUIRE((sockfd2 = socket(PF_UNIX, SOCK_STREAM, 0)) != -1);
616 	ATF_REQUIRE_EQ(0, connect(sockfd2, (struct sockaddr *)&server, len));
617 	ATF_REQUIRE((connectfd = accept(sockfd, NULL, &len)) != -1);
618 
619 	/* Send a sample message to the connected socket */
620 	FILE *pipefd = setup(fds, auclass);
621 	ATF_REQUIRE((data_bytes =
622 		send(sockfd2, msgbuff, strlen(msgbuff), 0)) != -1);
623 
624 	/* Audit record must contain sockfd2 and data_bytes */
625 	snprintf(extregex, sizeof(extregex),
626 		"send.*0x%x.*return,success,%zd", sockfd2, data_bytes);
627 	check_audit(fds, extregex, pipefd);
628 
629 	/* Close all socket descriptors */
630 	close_sockets(3, sockfd, sockfd2, connectfd);
631 }
632 
633 ATF_TC_CLEANUP(send_success, tc)
634 {
635 	cleanup();
636 }
637 
638 
639 ATF_TC_WITH_CLEANUP(send_failure);
640 ATF_TC_HEAD(send_failure, tc)
641 {
642 	atf_tc_set_md_var(tc, "descr", "Tests the audit of an unsuccessful "
643 					"send(2) call");
644 }
645 
646 ATF_TC_BODY(send_failure, tc)
647 {
648 	snprintf(extregex, sizeof(extregex), "send.*%s", invalregex);
649 	FILE *pipefd = setup(fds, auclass);
650 	/* Failure reason: Invalid socket descriptor */
651 	ATF_REQUIRE_EQ(-1, send(-1, NULL, 0, 0));
652 	check_audit(fds, extregex, pipefd);
653 }
654 
655 ATF_TC_CLEANUP(send_failure, tc)
656 {
657 	cleanup();
658 }
659 
660 
661 ATF_TC_WITH_CLEANUP(recv_success);
662 ATF_TC_HEAD(recv_success, tc)
663 {
664 	atf_tc_set_md_var(tc, "descr", "Tests the audit of a successful "
665 					"recv(2) call");
666 }
667 
668 ATF_TC_BODY(recv_success, tc)
669 {
670 	assign_address(&server);
671 	/* Setup a server socket and bind to the specified address */
672 	ATF_REQUIRE((sockfd = socket(PF_UNIX, SOCK_STREAM, 0)) != -1);
673 	ATF_REQUIRE_EQ(0, bind(sockfd, (struct sockaddr *)&server, len));
674 	ATF_REQUIRE_EQ(0, listen(sockfd, 1));
675 
676 	/* Set up "blocking" client and connect with non-blocking server */
677 	ATF_REQUIRE((sockfd2 = socket(PF_UNIX, SOCK_STREAM, 0)) != -1);
678 	ATF_REQUIRE_EQ(0, connect(sockfd2, (struct sockaddr *)&server, len));
679 	ATF_REQUIRE((connectfd = accept(sockfd, NULL, &len)) != -1);
680 	/* Send a sample message to the connected socket */
681 	ATF_REQUIRE(send(sockfd2, msgbuff, strlen(msgbuff), 0) != -1);
682 
683 	/* Receive data once connectfd is ready for reading */
684 	FILE *pipefd = setup(fds, auclass);
685 	ATF_REQUIRE((data_bytes = recv(connectfd, data, MAX_DATA, 0)) != 0);
686 
687 	/* Audit record must contain connectfd and data_bytes */
688 	snprintf(extregex, sizeof(extregex),
689 		"recv.*0x%x.*return,success,%zd", connectfd, data_bytes);
690 	check_audit(fds, extregex, pipefd);
691 
692 	/* Close all socket descriptors */
693 	close_sockets(3, sockfd, sockfd2, connectfd);
694 }
695 
696 ATF_TC_CLEANUP(recv_success, tc)
697 {
698 	cleanup();
699 }
700 
701 
702 ATF_TC_WITH_CLEANUP(recv_failure);
703 ATF_TC_HEAD(recv_failure, tc)
704 {
705 	atf_tc_set_md_var(tc, "descr", "Tests the audit of an unsuccessful "
706 					"recv(2) call");
707 }
708 
709 ATF_TC_BODY(recv_failure, tc)
710 {
711 	snprintf(extregex, sizeof(extregex), "recv.*%s", invalregex);
712 	FILE *pipefd = setup(fds, auclass);
713 	/* Failure reason: Invalid socket descriptor */
714 	ATF_REQUIRE_EQ(-1, recv(-1, NULL, 0, 0));
715 	check_audit(fds, extregex, pipefd);
716 }
717 
718 ATF_TC_CLEANUP(recv_failure, tc)
719 {
720 	cleanup();
721 }
722 
723 
724 ATF_TC_WITH_CLEANUP(sendto_success);
725 ATF_TC_HEAD(sendto_success, tc)
726 {
727 	atf_tc_set_md_var(tc, "descr", "Tests the audit of a successful "
728 					"sendto(2) call");
729 }
730 
731 ATF_TC_BODY(sendto_success, tc)
732 {
733 	assign_address(&server);
734 	/*  Setup a server socket and bind to the specified address */
735 	ATF_REQUIRE((sockfd = socket(PF_UNIX, SOCK_DGRAM, 0)) != -1);
736 	ATF_REQUIRE_EQ(0, bind(sockfd, (struct sockaddr *)&server, len));
737 
738 	/* Set up client socket to be used for sending the data */
739 	ATF_REQUIRE((sockfd2 = socket(PF_UNIX, SOCK_DGRAM, 0)) != -1);
740 
741 	/* Send a sample message to server's address */
742 	FILE *pipefd = setup(fds, auclass);
743 	ATF_REQUIRE((data_bytes = sendto(sockfd2, msgbuff,
744 		strlen(msgbuff), 0, (struct sockaddr *)&server, len)) != -1);
745 
746 	/* Audit record must contain sockfd2 and data_bytes */
747 	snprintf(extregex, sizeof(extregex),
748 		"sendto.*0x%x.*return,success,%zd", sockfd2, data_bytes);
749 	check_audit(fds, extregex, pipefd);
750 
751 	/* Close all socket descriptors */
752 	close_sockets(2, sockfd, sockfd2);
753 }
754 
755 ATF_TC_CLEANUP(sendto_success, tc)
756 {
757 	cleanup();
758 }
759 
760 
761 ATF_TC_WITH_CLEANUP(sendto_failure);
762 ATF_TC_HEAD(sendto_failure, tc)
763 {
764 	atf_tc_set_md_var(tc, "descr", "Tests the audit of an unsuccessful "
765 					"sendto(2) call");
766 }
767 
768 ATF_TC_BODY(sendto_failure, tc)
769 {
770 	snprintf(extregex, sizeof(extregex), "sendto.*%s", invalregex);
771 	FILE *pipefd = setup(fds, auclass);
772 	/* Failure reason: Invalid socket descriptor */
773 	ATF_REQUIRE_EQ(-1, sendto(-1, NULL, 0, 0, NULL, 0));
774 	check_audit(fds, extregex, pipefd);
775 }
776 
777 ATF_TC_CLEANUP(sendto_failure, tc)
778 {
779 	cleanup();
780 }
781 
782 
783 ATF_TC_WITH_CLEANUP(recvfrom_success);
784 ATF_TC_HEAD(recvfrom_success, tc)
785 {
786 	atf_tc_set_md_var(tc, "descr", "Tests the audit of a successful "
787 					"recvfrom(2) call");
788 }
789 
790 ATF_TC_BODY(recvfrom_success, tc)
791 {
792 	assign_address(&server);
793 	/*  Setup a server socket and bind to the specified address */
794 	ATF_REQUIRE((sockfd = socket(PF_UNIX, SOCK_DGRAM, 0)) != -1);
795 	ATF_REQUIRE_EQ(0, bind(sockfd, (struct sockaddr *)&server, len));
796 
797 	/* Set up client socket to be used for sending the data */
798 	ATF_REQUIRE((sockfd2 = socket(PF_UNIX, SOCK_DGRAM, 0)) != -1);
799 	ATF_REQUIRE(sendto(sockfd2, msgbuff, strlen(msgbuff), 0,
800 		(struct sockaddr *)&server, len) != -1);
801 
802 	/* Receive data once sockfd is ready for reading */
803 	FILE *pipefd = setup(fds, auclass);
804 	ATF_REQUIRE((data_bytes = recvfrom(sockfd, data,
805 		MAX_DATA, 0, NULL, &len)) != 0);
806 
807 	/* Audit record must contain sockfd and data_bytes */
808 	snprintf(extregex, sizeof(extregex),
809 		"recvfrom.*0x%x.*return,success,%zd", sockfd, data_bytes);
810 	check_audit(fds, extregex, pipefd);
811 
812 	/* Close all socket descriptors */
813 	close_sockets(2, sockfd, sockfd2);
814 }
815 
816 ATF_TC_CLEANUP(recvfrom_success, tc)
817 {
818 	cleanup();
819 }
820 
821 
822 ATF_TC_WITH_CLEANUP(recvfrom_failure);
823 ATF_TC_HEAD(recvfrom_failure, tc)
824 {
825 	atf_tc_set_md_var(tc, "descr", "Tests the audit of an unsuccessful "
826 					"recvfrom(2) call");
827 }
828 
829 ATF_TC_BODY(recvfrom_failure, tc)
830 {
831 	snprintf(extregex, sizeof(extregex), "recvfrom.*%s", invalregex);
832 	FILE *pipefd = setup(fds, auclass);
833 	/* Failure reason: Invalid socket descriptor */
834 	ATF_REQUIRE_EQ(-1, recvfrom(-1, NULL, 0, 0, NULL, NULL));
835 	check_audit(fds, extregex, pipefd);
836 }
837 
838 ATF_TC_CLEANUP(recvfrom_failure, tc)
839 {
840 	cleanup();
841 }
842 
843 
844 ATF_TC_WITH_CLEANUP(sendmsg_success);
845 ATF_TC_HEAD(sendmsg_success, tc)
846 {
847 	atf_tc_set_md_var(tc, "descr", "Tests the audit of a successful "
848 					"recvmsg(2) call");
849 }
850 
851 ATF_TC_BODY(sendmsg_success, tc)
852 {
853 	assign_address(&server);
854 	/* Create a datagram server socket & bind to UNIX address family */
855 	ATF_REQUIRE((sockfd = socket(PF_UNIX, SOCK_DGRAM, 0)) != -1);
856 	ATF_REQUIRE_EQ(0, bind(sockfd, (struct sockaddr *)&server, len));
857 
858 	/* Message buffer to be sent to the server */
859 	init_iov(&io1, msgbuff, sizeof(msgbuff));
860 	init_msghdr(&sendbuf, &io1, &server);
861 
862 	/* Set up UDP client to communicate with the server */
863 	ATF_REQUIRE((sockfd2 = socket(PF_UNIX, SOCK_DGRAM, 0)) != -1);
864 
865 	/* Send a sample message to the specified client address */
866 	FILE *pipefd = setup(fds, auclass);
867 	ATF_REQUIRE((data_bytes = sendmsg(sockfd2, &sendbuf, 0)) != -1);
868 
869 	/* Audit record must contain sockfd2 and data_bytes */
870 	snprintf(extregex, sizeof(extregex),
871 		"sendmsg.*0x%x.*return,success,%zd", sockfd2, data_bytes);
872 	check_audit(fds, extregex, pipefd);
873 
874 	/* Close all socket descriptors */
875 	close_sockets(2, sockfd, sockfd2);
876 }
877 
878 ATF_TC_CLEANUP(sendmsg_success, tc)
879 {
880 	cleanup();
881 }
882 
883 
884 ATF_TC_WITH_CLEANUP(sendmsg_failure);
885 ATF_TC_HEAD(sendmsg_failure, tc)
886 {
887 	atf_tc_set_md_var(tc, "descr", "Tests the audit of an unsuccessful "
888 					"sendmsg(2) call");
889 }
890 
891 ATF_TC_BODY(sendmsg_failure, tc)
892 {
893 	snprintf(extregex, sizeof(extregex),
894 		"sendmsg.*return,failure : Bad address");
895 	FILE *pipefd = setup(fds, auclass);
896 	ATF_REQUIRE_EQ(-1, sendmsg(-1, NULL, 0));
897 	check_audit(fds, extregex, pipefd);
898 }
899 
900 ATF_TC_CLEANUP(sendmsg_failure, tc)
901 {
902 	cleanup();
903 }
904 
905 
906 ATF_TC_WITH_CLEANUP(recvmsg_success);
907 ATF_TC_HEAD(recvmsg_success, tc)
908 {
909 	atf_tc_set_md_var(tc, "descr", "Tests the audit of a successful "
910 					"recvmsg(2) call");
911 }
912 
913 ATF_TC_BODY(recvmsg_success, tc)
914 {
915 	assign_address(&server);
916 	/* Create a datagram server socket & bind to UNIX address family */
917 	ATF_REQUIRE((sockfd = socket(PF_UNIX, SOCK_DGRAM, 0)) != -1);
918 	ATF_REQUIRE_EQ(0, bind(sockfd, (struct sockaddr *)&server, len));
919 
920 	/* Message buffer to be sent to the server */
921 	init_iov(&io1, msgbuff, sizeof(msgbuff));
922 	init_msghdr(&sendbuf, &io1, &server);
923 
924 	/* Prepare buffer to store the received data in */
925 	init_iov(&io2, data, sizeof(data));
926 	init_msghdr(&recvbuf, &io2, NULL);
927 
928 	/* Set up UDP client to communicate with the server */
929 	ATF_REQUIRE((sockfd2 = socket(PF_UNIX, SOCK_DGRAM, 0)) != -1);
930 	/* Send a sample message to the connected socket */
931 	ATF_REQUIRE(sendmsg(sockfd2, &sendbuf, 0) != -1);
932 
933 	/* Receive data once clientfd is ready for reading */
934 	FILE *pipefd = setup(fds, auclass);
935 	ATF_REQUIRE((data_bytes = recvmsg(sockfd, &recvbuf, 0)) != -1);
936 
937 	/* Audit record must contain sockfd and data_bytes */
938 	snprintf(extregex, sizeof(extregex),
939 		"recvmsg.*%#x.*return,success,%zd", sockfd, data_bytes);
940 	check_audit(fds, extregex, pipefd);
941 
942 	/* Close all socket descriptors */
943 	close_sockets(2, sockfd, sockfd2);
944 }
945 
946 ATF_TC_CLEANUP(recvmsg_success, tc)
947 {
948 	cleanup();
949 }
950 
951 
952 ATF_TC_WITH_CLEANUP(recvmsg_failure);
953 ATF_TC_HEAD(recvmsg_failure, tc)
954 {
955 	atf_tc_set_md_var(tc, "descr", "Tests the audit of an unsuccessful "
956 					"recvmsg(2) call");
957 }
958 
959 ATF_TC_BODY(recvmsg_failure, tc)
960 {
961 	snprintf(extregex, sizeof(extregex),
962 		"recvmsg.*return,failure : Bad address");
963 	FILE *pipefd = setup(fds, auclass);
964 	ATF_REQUIRE_EQ(-1, recvmsg(-1, NULL, 0));
965 	check_audit(fds, extregex, pipefd);
966 }
967 
968 ATF_TC_CLEANUP(recvmsg_failure, tc)
969 {
970 	cleanup();
971 }
972 
973 
974 ATF_TC_WITH_CLEANUP(shutdown_success);
975 ATF_TC_HEAD(shutdown_success, tc)
976 {
977 	atf_tc_set_md_var(tc, "descr", "Tests the audit of a successful "
978 					"shutdown(2) call");
979 }
980 
981 ATF_TC_BODY(shutdown_success, tc)
982 {
983 	assign_address(&server);
984 	/* Setup server socket and bind to the specified address */
985 	ATF_REQUIRE((sockfd = socket(PF_UNIX, SOCK_STREAM, 0)) != -1);
986 	ATF_REQUIRE_EQ(0, bind(sockfd, (struct sockaddr *)&server, len));
987 	ATF_REQUIRE_EQ(0, listen(sockfd, 1));
988 
989 	/* Setup client and connect with the blocking server */
990 	ATF_REQUIRE((sockfd2 = socket(PF_UNIX, SOCK_STREAM, 0)) != -1);
991 	ATF_REQUIRE_EQ(0, connect(sockfd2, (struct sockaddr *)&server, len));
992 	ATF_REQUIRE((connectfd = accept(sockfd, NULL, &len)) != -1);
993 
994 	/* Audit record must contain clientfd */
995 	snprintf(extregex, sizeof(extregex),
996 		"shutdown.*%#x.*return,success", connectfd);
997 
998 	FILE *pipefd = setup(fds, auclass);
999 	ATF_REQUIRE_EQ(0, shutdown(connectfd, SHUT_RDWR));
1000 	check_audit(fds, extregex, pipefd);
1001 
1002 	/* Close all socket descriptors */
1003 	close_sockets(3, sockfd, sockfd2, connectfd);
1004 }
1005 
1006 ATF_TC_CLEANUP(shutdown_success, tc)
1007 {
1008 	cleanup();
1009 }
1010 
1011 
1012 ATF_TC_WITH_CLEANUP(shutdown_failure);
1013 ATF_TC_HEAD(shutdown_failure, tc)
1014 {
1015 	atf_tc_set_md_var(tc, "descr", "Tests the audit of an unsuccessful "
1016 					"shutdown(2) call");
1017 }
1018 
1019 ATF_TC_BODY(shutdown_failure, tc)
1020 {
1021 	pid = getpid();
1022 	snprintf(extregex, sizeof(extregex),
1023 		"shutdown.*%d.*return,failure", pid);
1024 
1025 	FILE *pipefd = setup(fds, auclass);
1026 	/* Failure reason: Invalid socket descriptor */
1027 	ATF_REQUIRE_EQ(-1, shutdown(-1, SHUT_RDWR));
1028 	check_audit(fds, extregex, pipefd);
1029 }
1030 
1031 ATF_TC_CLEANUP(shutdown_failure, tc)
1032 {
1033 	cleanup();
1034 }
1035 
1036 
1037 ATF_TC_WITH_CLEANUP(sendfile_success);
1038 ATF_TC_HEAD(sendfile_success, tc)
1039 {
1040 	atf_tc_set_md_var(tc, "descr", "Tests the audit of a successful "
1041 					"sendfile(2) call");
1042 }
1043 
1044 ATF_TC_BODY(sendfile_success, tc)
1045 {
1046 	int filedesc;
1047 	ATF_REQUIRE((filedesc = open(path, O_CREAT | O_RDONLY, mode)) != -1);
1048 	/* Create a simple UNIX socket to send out random data */
1049 	ATF_REQUIRE((sockfd = socket(PF_UNIX, SOCK_STREAM, 0)) != -1);
1050 	/* Check the presence of sockfd, non-file in the audit record */
1051 	snprintf(extregex, sizeof(extregex),
1052 		"sendfile.*%#x,non-file.*return,success", filedesc);
1053 
1054 	FILE *pipefd = setup(fds, auclass);
1055 	ATF_REQUIRE_EQ(0, sendfile(filedesc, sockfd, 0, 0, NULL, NULL, 0));
1056 	check_audit(fds, extregex, pipefd);
1057 
1058 	/* Teardown socket and file descriptors */
1059 	close_sockets(2, sockfd, filedesc);
1060 }
1061 
1062 ATF_TC_CLEANUP(sendfile_success, tc)
1063 {
1064 	cleanup();
1065 }
1066 
1067 
1068 ATF_TC_WITH_CLEANUP(sendfile_failure);
1069 ATF_TC_HEAD(sendfile_failure, tc)
1070 {
1071 	atf_tc_set_md_var(tc, "descr", "Tests the audit of an unsuccessful "
1072 					"sendfile(2) call");
1073 }
1074 
1075 ATF_TC_BODY(sendfile_failure, tc)
1076 {
1077 	pid = getpid();
1078 	snprintf(extregex, sizeof(extregex),
1079 		"sendfile.*%d.*return,failure", pid);
1080 	FILE *pipefd = setup(fds, auclass);
1081 	ATF_REQUIRE_EQ(-1, sendfile(-1, -1, 0, 0, NULL, NULL, 0));
1082 	check_audit(fds, extregex, pipefd);
1083 }
1084 
1085 ATF_TC_CLEANUP(sendfile_failure, tc)
1086 {
1087 	cleanup();
1088 }
1089 
1090 
1091 ATF_TC_WITH_CLEANUP(setfib_success);
1092 ATF_TC_HEAD(setfib_success, tc)
1093 {
1094 	atf_tc_set_md_var(tc, "descr", "Tests the audit of a successful "
1095 					"setfib(2) call");
1096 }
1097 
1098 ATF_TC_BODY(setfib_success, tc)
1099 {
1100 	pid = getpid();
1101 	snprintf(extregex, sizeof(extregex), "setfib.*%d.*return,success", pid);
1102 
1103 	FILE *pipefd = setup(fds, auclass);
1104 	ATF_REQUIRE_EQ(0, setfib(0));
1105 	check_audit(fds, extregex, pipefd);
1106 }
1107 
1108 ATF_TC_CLEANUP(setfib_success, tc)
1109 {
1110 	cleanup();
1111 }
1112 
1113 
1114 ATF_TC_WITH_CLEANUP(setfib_failure);
1115 ATF_TC_HEAD(setfib_failure, tc)
1116 {
1117 	atf_tc_set_md_var(tc, "descr", "Tests the audit of an unsuccessful "
1118 					"setfib(2) call");
1119 }
1120 
1121 ATF_TC_BODY(setfib_failure, tc)
1122 {
1123 	pid = getpid();
1124 	snprintf(extregex, sizeof(extregex), "setfib.*%d.*return,failure", pid);
1125 
1126 	FILE *pipefd = setup(fds, auclass);
1127 	ATF_REQUIRE_EQ(-1, setfib(-1));
1128 	check_audit(fds, extregex, pipefd);
1129 }
1130 
1131 ATF_TC_CLEANUP(setfib_failure, tc)
1132 {
1133 	cleanup();
1134 }
1135 
1136 
1137 ATF_TP_ADD_TCS(tp)
1138 {
1139 	ATF_TP_ADD_TC(tp, socket_success);
1140 	ATF_TP_ADD_TC(tp, socket_failure);
1141 	ATF_TP_ADD_TC(tp, socketpair_success);
1142 	ATF_TP_ADD_TC(tp, socketpair_failure);
1143 	ATF_TP_ADD_TC(tp, setsockopt_success);
1144 	ATF_TP_ADD_TC(tp, setsockopt_failure);
1145 
1146 	ATF_TP_ADD_TC(tp, bind_success);
1147 	ATF_TP_ADD_TC(tp, bind_failure);
1148 	ATF_TP_ADD_TC(tp, bindat_success);
1149 	ATF_TP_ADD_TC(tp, bindat_failure);
1150 	ATF_TP_ADD_TC(tp, listen_success);
1151 	ATF_TP_ADD_TC(tp, listen_failure);
1152 
1153 	ATF_TP_ADD_TC(tp, connect_success);
1154 	ATF_TP_ADD_TC(tp, connect_failure);
1155 	ATF_TP_ADD_TC(tp, connectat_success);
1156 	ATF_TP_ADD_TC(tp, connectat_failure);
1157 	ATF_TP_ADD_TC(tp, accept_success);
1158 	ATF_TP_ADD_TC(tp, accept_failure);
1159 
1160 	ATF_TP_ADD_TC(tp, send_success);
1161 	ATF_TP_ADD_TC(tp, send_failure);
1162 	ATF_TP_ADD_TC(tp, recv_success);
1163 	ATF_TP_ADD_TC(tp, recv_failure);
1164 
1165 	ATF_TP_ADD_TC(tp, sendto_success);
1166 	ATF_TP_ADD_TC(tp, sendto_failure);
1167 	ATF_TP_ADD_TC(tp, recvfrom_success);
1168 	ATF_TP_ADD_TC(tp, recvfrom_failure);
1169 
1170 	ATF_TP_ADD_TC(tp, sendmsg_success);
1171 	ATF_TP_ADD_TC(tp, sendmsg_failure);
1172 	ATF_TP_ADD_TC(tp, recvmsg_success);
1173 	ATF_TP_ADD_TC(tp, recvmsg_failure);
1174 
1175 	ATF_TP_ADD_TC(tp, shutdown_success);
1176 	ATF_TP_ADD_TC(tp, shutdown_failure);
1177 	ATF_TP_ADD_TC(tp, sendfile_success);
1178 	ATF_TP_ADD_TC(tp, sendfile_failure);
1179 	ATF_TP_ADD_TC(tp, setfib_success);
1180 	ATF_TP_ADD_TC(tp, setfib_failure);
1181 
1182 	return (atf_no_error());
1183 }
1184