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
26 #include <sys/ioctl.h>
27
28 #include <bsm/audit.h>
29 #include <security/audit/audit_ioctl.h>
30
31 #include <atf-c.h>
32 #include <fcntl.h>
33 #include <stdio.h>
34 #include <unistd.h>
35
36 static int filedesc;
37 static FILE *fileptr;
38
39 ATF_TC(auditpipe_get_qlen);
ATF_TC_HEAD(auditpipe_get_qlen,tc)40 ATF_TC_HEAD(auditpipe_get_qlen, tc)
41 {
42 atf_tc_set_md_var(tc, "descr", "Verifies whether the auditpipe ioctl, "
43 "AUDITPIPE_GET_QLEN works properly");
44 }
45
ATF_TC_BODY(auditpipe_get_qlen,tc)46 ATF_TC_BODY(auditpipe_get_qlen, tc)
47 {
48 int qlen = -1;
49 ATF_REQUIRE((filedesc = open("/dev/auditpipe", O_RDONLY)) != -1);
50 ATF_REQUIRE_EQ(0, ioctl(filedesc, AUDITPIPE_GET_QLEN, &qlen));
51 ATF_REQUIRE(qlen != -1);
52 close(filedesc);
53 }
54
55
56 ATF_TC(auditpipe_get_qlimit);
ATF_TC_HEAD(auditpipe_get_qlimit,tc)57 ATF_TC_HEAD(auditpipe_get_qlimit, tc)
58 {
59 atf_tc_set_md_var(tc, "descr", "Verifies whether the auditpipe ioctl, "
60 "AUDITPIPE_GET_QLIMIT works properly");
61 }
62
ATF_TC_BODY(auditpipe_get_qlimit,tc)63 ATF_TC_BODY(auditpipe_get_qlimit, tc)
64 {
65 int qlimit = -1;
66 ATF_REQUIRE((filedesc = open("/dev/auditpipe", O_RDONLY)) != -1);
67 ATF_REQUIRE_EQ(0, ioctl(filedesc, AUDITPIPE_GET_QLIMIT, &qlimit));
68 ATF_REQUIRE(qlimit != -1);
69 close(filedesc);
70 }
71
72
73 ATF_TC_WITH_CLEANUP(auditpipe_set_qlimit);
ATF_TC_HEAD(auditpipe_set_qlimit,tc)74 ATF_TC_HEAD(auditpipe_set_qlimit, tc)
75 {
76 atf_tc_set_md_var(tc, "descr", "Verifies whether the auditpipe ioctl, "
77 "AUDITPIPE_SET_QLIMIT works properly");
78 }
79
ATF_TC_BODY(auditpipe_set_qlimit,tc)80 ATF_TC_BODY(auditpipe_set_qlimit, tc)
81 {
82 int test_qlimit, curr_qlimit, recv_qlimit;
83
84 ATF_REQUIRE((filedesc = open("/dev/auditpipe", O_RDONLY)) != -1);
85 /* Retreive the current QLIMIT value and store it in a file */
86 ATF_REQUIRE_EQ(0, ioctl(filedesc, AUDITPIPE_GET_QLIMIT, &curr_qlimit));
87 ATF_REQUIRE((fileptr = fopen("qlimit_store", "a")) != NULL);
88 ATF_REQUIRE_EQ(sizeof(curr_qlimit),
89 fprintf(fileptr, "%d\n", curr_qlimit));
90
91 /*
92 * Set QLIMIT different from the current system value to confirm
93 * proper functioning of AUDITPIPE_SET_QLIMIT ioctl.
94 */
95 test_qlimit = curr_qlimit - 1;
96 ATF_REQUIRE_EQ(0, ioctl(filedesc, AUDITPIPE_SET_QLIMIT, &test_qlimit));
97 /* Receive modified value and check whether QLIMIT was set correctly */
98 ATF_REQUIRE_EQ(0, ioctl(filedesc, AUDITPIPE_GET_QLIMIT, &recv_qlimit));
99 ATF_REQUIRE_EQ(test_qlimit, recv_qlimit);
100
101 fclose(fileptr);
102 close(filedesc);
103 }
104
ATF_TC_CLEANUP(auditpipe_set_qlimit,tc)105 ATF_TC_CLEANUP(auditpipe_set_qlimit, tc)
106 {
107 if (atf_utils_file_exists("qlimit_store")) {
108 int fd, curr_qlim;
109 ATF_REQUIRE((fileptr = fopen("qlimit_store", "r")) != NULL);
110 ATF_REQUIRE(fscanf(fileptr, "%d", &curr_qlim));
111
112 ATF_REQUIRE((fd = open("/dev/auditpipe", O_RDONLY)) != -1);
113 /* Set QLIMIT's value as it was prior to test-case invocation */
114 ATF_REQUIRE_EQ(0, ioctl(fd, AUDITPIPE_SET_QLIMIT, &curr_qlim));
115
116 close(fd);
117 fclose(fileptr);
118 }
119 }
120
121
122 ATF_TC(auditpipe_get_qlimit_min);
ATF_TC_HEAD(auditpipe_get_qlimit_min,tc)123 ATF_TC_HEAD(auditpipe_get_qlimit_min, tc)
124 {
125 atf_tc_set_md_var(tc, "descr", "Verifies whether the auditpipe ioctl, "
126 "AUDITPIPE_GET_QLIMIT_MIN works properly");
127 }
128
ATF_TC_BODY(auditpipe_get_qlimit_min,tc)129 ATF_TC_BODY(auditpipe_get_qlimit_min, tc)
130 {
131 int qlim_min = -1;
132 ATF_REQUIRE((filedesc = open("/dev/auditpipe", O_RDONLY)) != -1);
133 ATF_REQUIRE_EQ(0, ioctl(filedesc, AUDITPIPE_GET_QLIMIT_MIN, &qlim_min));
134 ATF_REQUIRE(qlim_min != -1);
135 close(filedesc);
136 }
137
138
139 ATF_TC(auditpipe_get_qlimit_max);
ATF_TC_HEAD(auditpipe_get_qlimit_max,tc)140 ATF_TC_HEAD(auditpipe_get_qlimit_max, tc)
141 {
142 atf_tc_set_md_var(tc, "descr", "Verifies whether the auditpipe ioctl, "
143 "AUDITPIPE_GET_QLIMIT_MAX works properly");
144 }
145
ATF_TC_BODY(auditpipe_get_qlimit_max,tc)146 ATF_TC_BODY(auditpipe_get_qlimit_max, tc)
147 {
148 int qlim_max = -1;
149 ATF_REQUIRE((filedesc = open("/dev/auditpipe", O_RDONLY)) != -1);
150 ATF_REQUIRE_EQ(0, ioctl(filedesc, AUDITPIPE_GET_QLIMIT_MAX, &qlim_max));
151 ATF_REQUIRE(qlim_max != -1);
152 close(filedesc);
153 }
154
155
156 ATF_TC(auditpipe_get_maxauditdata);
ATF_TC_HEAD(auditpipe_get_maxauditdata,tc)157 ATF_TC_HEAD(auditpipe_get_maxauditdata, tc)
158 {
159 atf_tc_set_md_var(tc, "descr", "Verifies whether the auditpipe ioctl, "
160 "AUDITPIPE_GET_MAXAUDITDATA works properly");
161 }
162
ATF_TC_BODY(auditpipe_get_maxauditdata,tc)163 ATF_TC_BODY(auditpipe_get_maxauditdata, tc)
164 {
165 int audata = -1;
166 ATF_REQUIRE((filedesc = open("/dev/auditpipe", O_RDONLY)) != -1);
167 ATF_REQUIRE_EQ(0, ioctl(filedesc, AUDITPIPE_GET_MAXAUDITDATA, &audata));
168 ATF_REQUIRE(audata != -1);
169 close(filedesc);
170 }
171
172
ATF_TP_ADD_TCS(tp)173 ATF_TP_ADD_TCS(tp)
174 {
175 ATF_TP_ADD_TC(tp, auditpipe_get_qlen);
176 ATF_TP_ADD_TC(tp, auditpipe_get_qlimit);
177 ATF_TP_ADD_TC(tp, auditpipe_set_qlimit);
178 ATF_TP_ADD_TC(tp, auditpipe_get_qlimit_min);
179 ATF_TP_ADD_TC(tp, auditpipe_get_qlimit_max);
180 ATF_TP_ADD_TC(tp, auditpipe_get_maxauditdata);
181
182 return (atf_no_error());
183 }
184