1 /*
2 * Copyright (c) International Business Machines Corp., 2006
3 * AUTHOR: Yi Yang <yyangcdl@cn.ibm.com>
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
13 * the GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
18 */
19 /*
20 * DESCRIPTION
21 * This test case will verify basic function of fchownat
22 * added by kernel 2.6.16 or up.
23 */
24
25 #define _GNU_SOURCE
26
27 #include <sys/types.h>
28 #include <sys/stat.h>
29 #include <fcntl.h>
30 #include <unistd.h>
31 #include <stdlib.h>
32 #include <errno.h>
33 #include <string.h>
34 #include <signal.h>
35
36 #include "test.h"
37 #include "safe_macros.h"
38 #include "fchownat.h"
39 #include "lapi/fcntl.h"
40
41 #define TESTFILE "testfile"
42
43 static void setup(void);
44 static void cleanup(void);
45
46 static int dir_fd;
47 static int fd;
48 static int no_fd = -1;
49 static int cu_fd = AT_FDCWD;
50
51 static struct test_case_t {
52 int exp_ret;
53 int exp_errno;
54 int flag;
55 int *fds;
56 char *filenames;
57 } test_cases[] = {
58 {0, 0, 0, &dir_fd, TESTFILE},
59 {-1, ENOTDIR, 0, &fd, TESTFILE},
60 {-1, EBADF, 0, &no_fd, TESTFILE},
61 {-1, EINVAL, 9999, &dir_fd, TESTFILE},
62 {0, 0, 0, &cu_fd, TESTFILE},
63 };
64
65 char *TCID = "fchownat01";
66 int TST_TOTAL = ARRAY_SIZE(test_cases);
67 static void fchownat_verify(const struct test_case_t *);
68
main(int ac,char ** av)69 int main(int ac, char **av)
70 {
71 int lc;
72 int i;
73
74 tst_parse_opts(ac, av, NULL, NULL);
75
76 setup();
77
78 for (lc = 0; TEST_LOOPING(lc); lc++) {
79 tst_count = 0;
80 for (i = 0; i < TST_TOTAL; i++)
81 fchownat_verify(&test_cases[i]);
82 }
83
84 cleanup();
85 tst_exit();
86 }
87
setup(void)88 static void setup(void)
89 {
90 if ((tst_kvercmp(2, 6, 16)) < 0)
91 tst_brkm(TCONF, NULL, "This test needs kernel 2.6.16 or newer");
92
93 tst_sig(NOFORK, DEF_HANDLER, cleanup);
94
95 TEST_PAUSE;
96
97 tst_tmpdir();
98
99 dir_fd = SAFE_OPEN(cleanup, "./", O_DIRECTORY);
100
101 SAFE_TOUCH(cleanup, TESTFILE, 0600, NULL);
102
103 fd = SAFE_OPEN(cleanup, "testfile2", O_CREAT | O_RDWR, 0600);
104 }
105
fchownat_verify(const struct test_case_t * test)106 static void fchownat_verify(const struct test_case_t *test)
107 {
108 TEST(fchownat(*(test->fds), test->filenames, geteuid(),
109 getegid(), test->flag));
110
111 if (TEST_RETURN != test->exp_ret) {
112 tst_resm(TFAIL | TTERRNO,
113 "fchownat() returned %ld, expected %d, errno=%d",
114 TEST_RETURN, test->exp_ret, test->exp_errno);
115 return;
116 }
117
118 if (TEST_ERRNO == test->exp_errno) {
119 tst_resm(TPASS | TTERRNO,
120 "fchownat() returned the expected errno %d: %s",
121 test->exp_ret, strerror(test->exp_errno));
122 } else {
123 tst_resm(TFAIL | TTERRNO,
124 "fchownat() failed unexpectedly; expected: %d - %s",
125 test->exp_errno, strerror(test->exp_errno));
126 }
127 }
128
cleanup(void)129 static void cleanup(void)
130 {
131 if (fd > 0)
132 close(fd);
133
134 if (dir_fd > 0)
135 close(dir_fd);
136
137 tst_rmdir();
138 }
139