1 /******************************************************************************
2 *
3 * Copyright (c) International Business Machines Corp., 2006
4 * Author: Yi Yang <[email protected]>
5 * Copyright (c) Cyril Hrubis 2014 <[email protected]>
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
15 * the GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20 *
21 * DESCRIPTION
22 * This test case will verify basic function of mknodat
23 * added by kernel 2.6.16 or up.
24 *
25 *****************************************************************************/
26
27 #define _GNU_SOURCE
28
29 #include <sys/types.h>
30 #include <sys/stat.h>
31 #include <stdlib.h>
32 #include <errno.h>
33 #include <string.h>
34 #include <signal.h>
35 #include "test.h"
36 #include "safe_macros.h"
37 #include "lapi/fcntl.h"
38
39 #define PATHNAME "mknodattestdir"
40
41 static void setup(void);
42 static void cleanup(void);
43 static void clean(void);
44
45 static char testfilepath[256];
46 static char testfile[256];
47 static char testfile2[256];
48 static char testfile3[256];
49
50 static int dir_fd, fd;
51 static int fd_invalid = 100;
52 static int fd_atcwd = AT_FDCWD;
53
54 static struct test_case {
55 int *dir_fd;
56 const char *name;
57 int exp_ret;
58 int exp_errno;
59 } test_cases[] = {
60 {&dir_fd, testfile, 0, 0},
61 {&dir_fd, testfile3, 0, 0},
62 {&fd, testfile2, -1, ENOTDIR},
63 {&fd_invalid, testfile, -1, EBADF},
64 {&fd_atcwd, testfile, 0, 0}
65 };
66
67 char *TCID = "mknodat01";
68 int TST_TOTAL = ARRAY_SIZE(test_cases);
69
70 static dev_t dev;
71
verify_mknodat(struct test_case * test)72 static void verify_mknodat(struct test_case *test)
73 {
74 TEST(mknodat(*test->dir_fd, test->name, S_IFREG, dev));
75
76 if (TEST_RETURN != test->exp_ret) {
77 tst_resm(TFAIL | TTERRNO,
78 "mknodat() returned %ld, expected %d",
79 TEST_RETURN, test->exp_ret);
80 return;
81 }
82
83 if (TEST_ERRNO != test->exp_errno) {
84 tst_resm(TFAIL | TTERRNO,
85 "mknodat() returned wrong errno, expected %d",
86 test->exp_errno);
87 return;
88 }
89
90 tst_resm(TPASS | TTERRNO, "mknodat() returned %ld", TEST_RETURN);
91 }
92
main(int ac,char ** av)93 int main(int ac, char **av)
94 {
95 int lc;
96 int i;
97
98 tst_parse_opts(ac, av, NULL, NULL);
99
100 setup();
101
102 for (lc = 0; TEST_LOOPING(lc); lc++) {
103 tst_count = 0;
104
105 for (i = 0; i < TST_TOTAL; i++)
106 verify_mknodat(test_cases + i);
107
108 /* clean created nodes before next run */
109 clean();
110 }
111
112 cleanup();
113 tst_exit();
114 }
115
setup(void)116 static void setup(void)
117 {
118 char *tmpdir;
119
120 tst_sig(NOFORK, DEF_HANDLER, cleanup);
121
122 TEST_PAUSE;
123
124 tst_tmpdir();
125
126 /* Initialize test dir and file names */
127 tmpdir = tst_get_tmpdir();
128 sprintf(testfilepath, PATHNAME"/mknodattestfile%d", getpid());
129 sprintf(testfile, "mknodattestfile%d", getpid());
130 sprintf(testfile2, "mknodattestfile2%d", getpid());
131 sprintf(testfile3, "%s/mknodattestfile3%d", tmpdir, getpid());
132 free(tmpdir);
133
134 SAFE_MKDIR(cleanup, PATHNAME, 0700);
135
136 dir_fd = SAFE_OPEN(cleanup, PATHNAME, O_DIRECTORY);
137 fd = SAFE_OPEN(cleanup, testfile2, O_CREAT | O_RDWR, 0600);
138 }
139
clean(void)140 static void clean(void)
141 {
142 SAFE_UNLINK(cleanup, testfilepath);
143 SAFE_UNLINK(cleanup, testfile3);
144 SAFE_UNLINK(cleanup, testfile);
145 }
146
cleanup(void)147 static void cleanup(void)
148 {
149 if (dir_fd > 0 && close(dir_fd))
150 tst_resm(TWARN | TERRNO, "Failed to close(dir_fd)");
151
152 if (fd > 0 && close(fd))
153 tst_resm(TWARN | TERRNO, "Failed to close(fd)");
154
155 tst_rmdir();
156 }
157