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 * faccessat01.c
21 *
22 * DESCRIPTION
23 * This test case will verify basic function of faccessat
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 = "faccessat01";
57 int TST_TOTAL = TEST_CASES;
58 static char pathname[256];
59 static char testfile[256];
60 static char testfile2[256];
61 static char testfile3[256];
62 static int fds[TEST_CASES];
63 static char *filenames[TEST_CASES];
64 static int expected_errno[TEST_CASES] = { 0, 0, ENOTDIR, EBADF, 0, 0 };
65
myfaccessat(int dirfd,const char * filename,int mode)66 int myfaccessat(int dirfd, const char *filename, int mode)
67 {
68 return ltp_syscall(__NR_faccessat, 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_brkm(TCONF, NULL, "Test must be run with kernel 2.6.16+");
79
80 tst_parse_opts(ac, av, NULL, NULL);
81
82 setup();
83
84 for (lc = 0; TEST_LOOPING(lc); lc++) {
85 tst_count = 0;
86
87 /*
88 * Call faccessat
89 */
90 for (i = 0; i < TST_TOTAL; i++) {
91 TEST(myfaccessat(fds[i], filenames[i], R_OK));
92
93 /* check return code */
94 if (TEST_ERRNO == expected_errno[i]) {
95 tst_resm(TPASS,
96 "faccessat() returned the expected errno %d: %s",
97 TEST_ERRNO,
98 strerror(TEST_ERRNO));
99 } else {
100 tst_resm(TFAIL,
101 "faccessdat() Failed, errno=%d : %s",
102 TEST_ERRNO, strerror(TEST_ERRNO));
103 }
104 }
105 }
106
107 cleanup();
108 tst_exit();
109 }
110
setup(void)111 void setup(void)
112 {
113 tst_sig(NOFORK, DEF_HANDLER, cleanup);
114
115 tst_tmpdir();
116
117 char *abs_path = tst_get_tmpdir();
118 int p = getpid();
119
120 /* Initialize test dir and file names */
121 sprintf(pathname, "faccessattestdir%d", p);
122 sprintf(testfile, "faccessattestfile%d.txt", p);
123 sprintf(testfile2, "%s/faccessattestfile%d.txt", abs_path, p);
124 sprintf(testfile3, "faccessattestdir%d/faccessattestfile%d.txt", p, p);
125
126 free(abs_path);
127
128 SAFE_MKDIR(cleanup, pathname, 0700);
129
130 fds[0] = SAFE_OPEN(cleanup, pathname, O_DIRECTORY);
131 fds[1] = fds[4] = fds[0];
132
133 SAFE_FILE_PRINTF(cleanup, testfile, testfile);
134 SAFE_FILE_PRINTF(cleanup, testfile2, testfile2);
135
136 fds[2] = SAFE_OPEN(cleanup, testfile3, O_CREAT | O_RDWR, 0600);
137
138 fds[3] = 100;
139 fds[5] = AT_FDCWD;
140
141 filenames[0] = filenames[2] = filenames[3] = filenames[4] = testfile;
142 filenames[1] = testfile2;
143 filenames[5] = testfile3;
144
145 TEST_PAUSE;
146 }
147
cleanup(void)148 void cleanup(void)
149 {
150 if (fds[0] > 0)
151 close(fds[0]);
152 if (fds[2] > 0)
153 close(fds[2]);
154
155 tst_rmdir();
156 }
157