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: stable/11/tests/sys/audit/file-write.c 339087 2018-10-02 16:23:33Z asomers $
26 */
27
28#include <atf-c.h>
29#include <fcntl.h>
30
31#include "utils.h"
32
33static struct pollfd fds[1];
34static mode_t mode = 0777;
35static int filedesc;
36static off_t offlen = 0;
37static const char *path = "fileforaudit";
38static const char *errpath = "dirdoesnotexist/fileforaudit";
39static const char *successreg = "fileforaudit.*return,success";
40static const char *failurereg = "fileforaudit.*return,failure";
41
42
43ATF_TC_WITH_CLEANUP(truncate_success);
44ATF_TC_HEAD(truncate_success, tc)
45{
46	atf_tc_set_md_var(tc, "descr", "Tests the audit of a successful "
47					"truncate(2) call");
48}
49
50ATF_TC_BODY(truncate_success, tc)
51{
52	/* File needs to exist to call truncate(2) */
53	ATF_REQUIRE((filedesc = open(path, O_CREAT, mode)) != -1);
54	FILE *pipefd = setup(fds, "fw");
55	ATF_REQUIRE_EQ(0, truncate(path, offlen));
56	check_audit(fds, successreg, pipefd);
57	close(filedesc);
58}
59
60ATF_TC_CLEANUP(truncate_success, tc)
61{
62	cleanup();
63}
64
65
66ATF_TC_WITH_CLEANUP(truncate_failure);
67ATF_TC_HEAD(truncate_failure, tc)
68{
69	atf_tc_set_md_var(tc, "descr", "Tests the audit of an unsuccessful "
70					"truncate(2) call");
71}
72
73ATF_TC_BODY(truncate_failure, tc)
74{
75	FILE *pipefd = setup(fds, "fw");
76	/* Failure reason: file does not exist */
77	ATF_REQUIRE_EQ(-1, truncate(errpath, offlen));
78	check_audit(fds, failurereg, pipefd);
79}
80
81ATF_TC_CLEANUP(truncate_failure, tc)
82{
83	cleanup();
84}
85
86
87ATF_TC_WITH_CLEANUP(ftruncate_success);
88ATF_TC_HEAD(ftruncate_success, tc)
89{
90	atf_tc_set_md_var(tc, "descr", "Tests the audit of a successful "
91					"ftruncate(2) call");
92}
93
94ATF_TC_BODY(ftruncate_success, tc)
95{
96	const char *regex = "ftruncate.*return,success";
97	/* Valid file descriptor needs to exist to call ftruncate(2) */
98	ATF_REQUIRE((filedesc = open(path, O_CREAT | O_RDWR)) != -1);
99	FILE *pipefd = setup(fds, "fw");
100	ATF_REQUIRE_EQ(0, ftruncate(filedesc, offlen));
101	check_audit(fds, regex, pipefd);
102	close(filedesc);
103}
104
105ATF_TC_CLEANUP(ftruncate_success, tc)
106{
107	cleanup();
108}
109
110
111ATF_TC_WITH_CLEANUP(ftruncate_failure);
112ATF_TC_HEAD(ftruncate_failure, tc)
113{
114	atf_tc_set_md_var(tc, "descr", "Tests the audit of an unsuccessful "
115					"ftruncate(2) call");
116}
117
118ATF_TC_BODY(ftruncate_failure, tc)
119{
120	const char *regex = "ftruncate.*return,failure";
121	FILE *pipefd = setup(fds, "fw");
122	/* Failure reason: bad file descriptor */
123	ATF_REQUIRE_EQ(-1, ftruncate(-1, offlen));
124	check_audit(fds, regex, pipefd);
125}
126
127ATF_TC_CLEANUP(ftruncate_failure, tc)
128{
129	cleanup();
130}
131
132
133ATF_TP_ADD_TCS(tp)
134{
135	ATF_TP_ADD_TC(tp, truncate_success);
136	ATF_TP_ADD_TC(tp, truncate_failure);
137	ATF_TP_ADD_TC(tp, ftruncate_success);
138	ATF_TP_ADD_TC(tp, ftruncate_failure);
139
140	return (atf_no_error());
141}
142