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 <error.h>
32 #include <stdlib.h>
33 #include <errno.h>
34 #include <string.h>
35 #include <signal.h>
36
37 #include "test.h"
38 #include "safe_macros.h"
39 #include "fchownat.h"
40 #include "lapi/fcntl.h"
41
42 #define TESTFILE "testfile"
43
44 static void setup(void);
45 static void cleanup(void);
46
47 static int dir_fd;
48 static int fd;
49 static int no_fd = -1;
50 static int cu_fd = AT_FDCWD;
51
52 static struct test_case_t {
53 int exp_ret;
54 int exp_errno;
55 int flag;
56 int *fds;
57 char *filenames;
58 } test_cases[] = {
59 {0, 0, 0, &dir_fd, TESTFILE},
60 {-1, ENOTDIR, 0, &fd, TESTFILE},
61 {-1, EBADF, 0, &no_fd, TESTFILE},
62 {-1, EINVAL, 9999, &dir_fd, TESTFILE},
63 {0, 0, 0, &cu_fd, TESTFILE},
64 };
65
66 char *TCID = "fchownat01";
67 int TST_TOTAL = ARRAY_SIZE(test_cases);
68 static void fchownat_verify(const struct test_case_t *);
69
main(int ac,char ** av)70 int main(int ac, char **av)
71 {
72 int lc;
73 int i;
74
75 tst_parse_opts(ac, av, NULL, NULL);
76
77 setup();
78
79 for (lc = 0; TEST_LOOPING(lc); lc++) {
80 tst_count = 0;
81 for (i = 0; i < TST_TOTAL; i++)
82 fchownat_verify(&test_cases[i]);
83 }
84
85 cleanup();
86 tst_exit();
87 }
88
setup(void)89 static void setup(void)
90 {
91 if ((tst_kvercmp(2, 6, 16)) < 0)
92 tst_brkm(TCONF, NULL, "This test needs kernel 2.6.16 or newer");
93
94 tst_sig(NOFORK, DEF_HANDLER, cleanup);
95
96 TEST_PAUSE;
97
98 tst_tmpdir();
99
100 dir_fd = SAFE_OPEN(cleanup, "./", O_DIRECTORY);
101
102 SAFE_TOUCH(cleanup, TESTFILE, 0600, NULL);
103
104 fd = SAFE_OPEN(cleanup, "testfile2", O_CREAT | O_RDWR, 0600);
105 }
106
fchownat_verify(const struct test_case_t * test)107 static void fchownat_verify(const struct test_case_t *test)
108 {
109 TEST(fchownat(*(test->fds), test->filenames, geteuid(),
110 getegid(), test->flag));
111
112 if (TEST_RETURN != test->exp_ret) {
113 tst_resm(TFAIL | TTERRNO,
114 "fchownat() returned %ld, expected %d, errno=%d",
115 TEST_RETURN, test->exp_ret, test->exp_errno);
116 return;
117 }
118
119 if (TEST_ERRNO == test->exp_errno) {
120 tst_resm(TPASS | TTERRNO,
121 "fchownat() returned the expected errno %d: %s",
122 test->exp_ret, strerror(test->exp_errno));
123 } else {
124 tst_resm(TFAIL | TTERRNO,
125 "fchownat() failed unexpectedly; expected: %d - %s",
126 test->exp_errno, strerror(test->exp_errno));
127 }
128 }
129
cleanup(void)130 static void cleanup(void)
131 {
132 if (fd > 0)
133 close(fd);
134
135 if (dir_fd > 0)
136 close(dir_fd);
137
138 tst_rmdir();
139 }
140