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