1 /******************************************************************************
2 *
3 * Copyright (c) International Business Machines Corp., 2006
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
17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
18 *
19 * NAME
20 * fchmodat01.c
21 *
22 * DESCRIPTION
23 * This test case will verify basic function of fchmodat
24 * added by kernel 2.6.16 or up.
25 *
26 * Author
27 * Yi Yang <yyangcdl@cn.ibm.com>
28 *
29 * History
30 * 08/28/2006 Created first by Yi Yang <yyangcdl@cn.ibm.com>
31 *
32 *****************************************************************************/
33
34 #define _GNU_SOURCE
35
36 #include <sys/types.h>
37 #include <sys/stat.h>
38 #include <fcntl.h>
39 #include <unistd.h>
40 #include <error.h>
41 #include <stdlib.h>
42 #include <errno.h>
43 #include <string.h>
44 #include <signal.h>
45 #include "test.h"
46 #include "safe_macros.h"
47 #include "linux_syscall_numbers.h"
48
49 #define TEST_CASES 6
50 #ifndef AT_FDCWD
51 #define AT_FDCWD -100
52 #endif
53 void setup();
54 void cleanup();
55
56 char *TCID = "fchmodat01";
57 int TST_TOTAL = TEST_CASES;
58 char pathname[256];
59 char testfile[256];
60 char testfile2[256];
61 char testfile3[256];
62 int fds[TEST_CASES];
63 char *filenames[TEST_CASES];
64 int expected_errno[TEST_CASES] = { 0, 0, ENOTDIR, EBADF, 0, 0 };
65
myfchmodat(int dirfd,const char * filename,mode_t mode)66 int myfchmodat(int dirfd, const char *filename, mode_t mode)
67 {
68 return ltp_syscall(__NR_fchmodat, dirfd, filename, mode);
69 }
70
main(int ac,char ** av)71 int main(int ac, char **av)
72 {
73 int lc;
74 int i;
75
76 /* Disable test if the version of the kernel is less than 2.6.16 */
77 if ((tst_kvercmp(2, 6, 16)) < 0) {
78 tst_resm(TWARN, "This test can only run on kernels that are ");
79 tst_resm(TWARN, "2.6.16 and higher");
80 exit(0);
81 }
82
83 tst_parse_opts(ac, av, NULL, NULL);
84
85 setup();
86
87 for (lc = 0; TEST_LOOPING(lc); lc++) {
88 tst_count = 0;
89
90 for (i = 0; i < TST_TOTAL; i++) {
91 TEST(myfchmodat(fds[i], filenames[i], 0600));
92
93 if (TEST_ERRNO == expected_errno[i]) {
94 tst_resm(TPASS,
95 "fchmodat() returned the expected errno %d: %s",
96 TEST_ERRNO, strerror(TEST_ERRNO));
97 } else {
98 tst_resm(TFAIL,
99 "fchmodat() Failed, errno=%d : %s",
100 TEST_ERRNO, strerror(TEST_ERRNO));
101 }
102 }
103 }
104
105 cleanup();
106 tst_exit();
107 }
108
setup(void)109 void setup(void)
110 {
111 tst_sig(NOFORK, DEF_HANDLER, cleanup);
112
113 tst_tmpdir();
114
115 /* Initialize test dir and file names */
116 char *abs_path = tst_get_tmpdir();
117 int p = getpid();
118
119 sprintf(pathname, "fchmodattestdir%d", p);
120 sprintf(testfile, "fchmodattest%d.txt", p);
121 sprintf(testfile2, "%s/fchmodattest%d.txt", abs_path, p);
122 sprintf(testfile3, "fchmodattestdir%d/fchmodattest%d.txt", p, p);
123
124 free(abs_path);
125
126 SAFE_MKDIR(cleanup, pathname, 0700);
127
128 fds[0] = SAFE_OPEN(cleanup, pathname, O_DIRECTORY);
129 fds[1] = fds[4] = fds[0];
130
131 SAFE_FILE_PRINTF(cleanup, testfile, testfile);
132 SAFE_FILE_PRINTF(cleanup, testfile2, testfile2);
133
134 fds[2] = SAFE_OPEN(cleanup, testfile3, O_CREAT | O_RDWR, 0600);
135 fds[3] = 100;
136 fds[5] = AT_FDCWD;
137
138 filenames[0] = filenames[2] = filenames[3] = filenames[4] = testfile;
139 filenames[1] = testfile2;
140 filenames[5] = testfile3;
141
142 TEST_PAUSE;
143 }
144
cleanup(void)145 void cleanup(void)
146 {
147 if (fds[0] > 0)
148 close(fds[0]);
149 if (fds[2] > 0)
150 close(fds[2]);
151
152 tst_rmdir();
153 }
154