1/*-
2 * Copyright 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/stat.h>
29
30#include <atf-c.h>
31#include <fcntl.h>
32#include <unistd.h>
33
34#include "utils.h"
35
36static struct pollfd fds[1];
37static mode_t mode = 0777;
38static int filedesc;
39static const char *path = "fileforaudit";
40static const char *errpath = "dirdoesnotexist/fileforaudit";
41static const char *successreg = "fileforaudit.*return,success";
42static const char *failurereg = "fileforaudit.*return,failure";
43
44
45ATF_TC_WITH_CLEANUP(rmdir_success);
46ATF_TC_HEAD(rmdir_success, tc)
47{
48	atf_tc_set_md_var(tc, "descr", "Tests the audit of a successful "
49					"rmdir(2) call");
50}
51
52ATF_TC_BODY(rmdir_success, tc)
53{
54	ATF_REQUIRE_EQ(0, mkdir(path, mode));
55	FILE *pipefd = setup(fds, "fd");
56	ATF_REQUIRE_EQ(0, rmdir(path));
57	check_audit(fds, successreg, pipefd);
58}
59
60ATF_TC_CLEANUP(rmdir_success, tc)
61{
62	cleanup();
63}
64
65
66ATF_TC_WITH_CLEANUP(rmdir_failure);
67ATF_TC_HEAD(rmdir_failure, tc)
68{
69	atf_tc_set_md_var(tc, "descr", "Tests the audit of an unsuccessful "
70					"rmdir(2) call");
71}
72
73ATF_TC_BODY(rmdir_failure, tc)
74{
75	FILE *pipefd = setup(fds, "fd");
76	/* Failure reason: directory does not exist */
77	ATF_REQUIRE_EQ(-1, rmdir(errpath));
78	check_audit(fds, failurereg, pipefd);
79}
80
81ATF_TC_CLEANUP(rmdir_failure, tc)
82{
83	cleanup();
84}
85
86
87ATF_TC_WITH_CLEANUP(rename_success);
88ATF_TC_HEAD(rename_success, tc)
89{
90	atf_tc_set_md_var(tc, "descr", "Tests the audit of a successful "
91					"rename(2) call");
92}
93
94ATF_TC_BODY(rename_success, tc)
95{
96	ATF_REQUIRE((filedesc = open(path, O_CREAT, mode)) != -1);
97	FILE *pipefd = setup(fds, "fd");
98	ATF_REQUIRE_EQ(0, rename(path, "renamed"));
99	check_audit(fds, successreg, pipefd);
100	close(filedesc);
101}
102
103ATF_TC_CLEANUP(rename_success, tc)
104{
105	cleanup();
106}
107
108
109ATF_TC_WITH_CLEANUP(rename_failure);
110ATF_TC_HEAD(rename_failure, tc)
111{
112	atf_tc_set_md_var(tc, "descr", "Tests the audit of an unsuccessful "
113					"rename(2) call");
114}
115
116ATF_TC_BODY(rename_failure, tc)
117{
118	FILE *pipefd = setup(fds, "fd");
119	/* Failure reason: file does not exist */
120	ATF_REQUIRE_EQ(-1, rename(path, "renamed"));
121	check_audit(fds, failurereg, pipefd);
122}
123
124ATF_TC_CLEANUP(rename_failure, tc)
125{
126	cleanup();
127}
128
129
130ATF_TC_WITH_CLEANUP(renameat_success);
131ATF_TC_HEAD(renameat_success, tc)
132{
133	atf_tc_set_md_var(tc, "descr", "Tests the audit of a successful "
134					"renameat(2) call");
135}
136
137ATF_TC_BODY(renameat_success, tc)
138{
139	ATF_REQUIRE((filedesc = open(path, O_CREAT, mode)) != -1);
140	FILE *pipefd = setup(fds, "fd");
141	ATF_REQUIRE_EQ(0, renameat(AT_FDCWD, path, AT_FDCWD, "renamed"));
142	check_audit(fds, successreg, pipefd);
143	close(filedesc);
144}
145
146ATF_TC_CLEANUP(renameat_success, tc)
147{
148	cleanup();
149}
150
151
152ATF_TC_WITH_CLEANUP(renameat_failure);
153ATF_TC_HEAD(renameat_failure, tc)
154{
155	atf_tc_set_md_var(tc, "descr", "Tests the audit of an unsuccessful "
156					"renameat(2) call");
157}
158
159ATF_TC_BODY(renameat_failure, tc)
160{
161	FILE *pipefd = setup(fds, "fd");
162	/* Failure reason: file does not exist */
163	ATF_REQUIRE_EQ(-1, renameat(AT_FDCWD, path, AT_FDCWD, "renamed"));
164	check_audit(fds, failurereg, pipefd);
165}
166
167ATF_TC_CLEANUP(renameat_failure, tc)
168{
169	cleanup();
170}
171
172
173ATF_TC_WITH_CLEANUP(unlink_success);
174ATF_TC_HEAD(unlink_success, tc)
175{
176	atf_tc_set_md_var(tc, "descr", "Tests the audit of a successful "
177					"unlink(2) call");
178}
179
180ATF_TC_BODY(unlink_success, tc)
181{
182	ATF_REQUIRE((filedesc = open(path, O_CREAT, mode)) != -1);
183	FILE *pipefd = setup(fds, "fd");
184	ATF_REQUIRE_EQ(0, unlink(path));
185	check_audit(fds, successreg, pipefd);
186	close(filedesc);
187}
188
189ATF_TC_CLEANUP(unlink_success, tc)
190{
191	cleanup();
192}
193
194
195ATF_TC_WITH_CLEANUP(unlink_failure);
196ATF_TC_HEAD(unlink_failure, tc)
197{
198	atf_tc_set_md_var(tc, "descr", "Tests the audit of an unsuccessful "
199					"unlink(2) call");
200}
201
202ATF_TC_BODY(unlink_failure, tc)
203{
204	FILE *pipefd = setup(fds, "fd");
205	/* Failure reason: file does not exist */
206	ATF_REQUIRE_EQ(-1, unlink(errpath));
207	check_audit(fds, failurereg, pipefd);
208}
209
210ATF_TC_CLEANUP(unlink_failure, tc)
211{
212	cleanup();
213}
214
215
216ATF_TC_WITH_CLEANUP(unlinkat_success);
217ATF_TC_HEAD(unlinkat_success, tc)
218{
219	atf_tc_set_md_var(tc, "descr", "Tests the audit of a successful "
220					"unlinkat(2) call");
221}
222
223ATF_TC_BODY(unlinkat_success, tc)
224{
225	ATF_REQUIRE_EQ(0, mkdir(path, mode));
226	FILE *pipefd = setup(fds, "fd");
227	ATF_REQUIRE_EQ(0, unlinkat(AT_FDCWD, path, AT_REMOVEDIR));
228	check_audit(fds, successreg, pipefd);
229}
230
231ATF_TC_CLEANUP(unlinkat_success, tc)
232{
233	cleanup();
234}
235
236
237ATF_TC_WITH_CLEANUP(unlinkat_failure);
238ATF_TC_HEAD(unlinkat_failure, tc)
239{
240	atf_tc_set_md_var(tc, "descr", "Tests the audit of an unsuccessful "
241					"unlinkat(2) call");
242}
243
244ATF_TC_BODY(unlinkat_failure, tc)
245{
246	FILE *pipefd = setup(fds, "fd");
247	/* Failure reason: directory does not exist */
248	ATF_REQUIRE_EQ(-1, unlinkat(AT_FDCWD, errpath, AT_REMOVEDIR));
249	check_audit(fds, failurereg, pipefd);
250}
251
252ATF_TC_CLEANUP(unlinkat_failure, tc)
253{
254	cleanup();
255}
256
257
258ATF_TP_ADD_TCS(tp)
259{
260	ATF_TP_ADD_TC(tp, rmdir_success);
261	ATF_TP_ADD_TC(tp, rmdir_failure);
262
263	ATF_TP_ADD_TC(tp, rename_success);
264	ATF_TP_ADD_TC(tp, rename_failure);
265	ATF_TP_ADD_TC(tp, renameat_success);
266	ATF_TP_ADD_TC(tp, renameat_failure);
267
268	ATF_TP_ADD_TC(tp, unlink_success);
269	ATF_TP_ADD_TC(tp, unlink_failure);
270	ATF_TP_ADD_TC(tp, unlinkat_success);
271	ATF_TP_ADD_TC(tp, unlinkat_failure);
272
273	return (atf_no_error());
274}
275