1 /******************************************************************************
2 *
3 * Copyright (c) International Business Machines Corp., 2006
4 * Author: Yi Yang <yyangcdl@cn.ibm.com>
5 * Copyright (c) Cyril Hrubis 2014 <chrubis@suse.cz>
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 <fcntl.h>
31 #include <sys/stat.h>
32 #include <error.h>
33 #include <stdlib.h>
34 #include <errno.h>
35 #include <string.h>
36 #include <signal.h>
37 #include "test.h"
38 #include "safe_macros.h"
39 #include "lapi/fcntl.h"
40 #include "mknodat.h"
41
42 #define PATHNAME "mknodattestdir"
43
44 static void setup(void);
45 static void cleanup(void);
46 static void clean(void);
47
48 static char testfilepath[256];
49 static char testfile[256];
50 static char testfile2[256];
51 static char testfile3[256];
52
53 static int dir_fd, fd;
54 static int fd_invalid = 100;
55 static int fd_atcwd = AT_FDCWD;
56
57 static struct test_case {
58 int *dir_fd;
59 const char *name;
60 int exp_ret;
61 int exp_errno;
62 } test_cases[] = {
63 {&dir_fd, testfile, 0, 0},
64 {&dir_fd, testfile3, 0, 0},
65 {&fd, testfile2, -1, ENOTDIR},
66 {&fd_invalid, testfile, -1, EBADF},
67 {&fd_atcwd, testfile, 0, 0}
68 };
69
70 char *TCID = "mknodat01";
71 int TST_TOTAL = ARRAY_SIZE(test_cases);
72
73 static dev_t dev;
74
verify_mknodat(struct test_case * test)75 static void verify_mknodat(struct test_case *test)
76 {
77 TEST(mknodat(*test->dir_fd, test->name, S_IFREG, dev));
78
79 if (TEST_RETURN != test->exp_ret) {
80 tst_resm(TFAIL | TTERRNO,
81 "mknodat() returned %ld, expected %d",
82 TEST_RETURN, test->exp_ret);
83 return;
84 }
85
86 if (TEST_ERRNO != test->exp_errno) {
87 tst_resm(TFAIL | TTERRNO,
88 "mknodat() returned wrong errno, expected %d",
89 test->exp_errno);
90 return;
91 }
92
93 tst_resm(TPASS | TTERRNO, "mknodat() returned %ld", TEST_RETURN);
94 }
95
main(int ac,char ** av)96 int main(int ac, char **av)
97 {
98 int lc;
99 int i;
100
101 tst_parse_opts(ac, av, NULL, NULL);
102
103 setup();
104
105 for (lc = 0; TEST_LOOPING(lc); lc++) {
106 tst_count = 0;
107
108 for (i = 0; i < TST_TOTAL; i++)
109 verify_mknodat(test_cases + i);
110
111 /* clean created nodes before next run */
112 clean();
113 }
114
115 cleanup();
116 tst_exit();
117 }
118
setup(void)119 static void setup(void)
120 {
121 char *tmpdir;
122
123 if (tst_kvercmp(2, 6, 16) < 0)
124 tst_brkm(TCONF, NULL, "This test needs kernel 2.6.16 or newer");
125
126 tst_sig(NOFORK, DEF_HANDLER, cleanup);
127
128 TEST_PAUSE;
129
130 tst_tmpdir();
131
132 /* Initialize test dir and file names */
133 tmpdir = tst_get_tmpdir();
134 sprintf(testfilepath, PATHNAME"/mknodattestfile%d", getpid());
135 sprintf(testfile, "mknodattestfile%d", getpid());
136 sprintf(testfile2, "mknodattestfile2%d", getpid());
137 sprintf(testfile3, "%s/mknodattestfile3%d", tmpdir, getpid());
138 free(tmpdir);
139
140 SAFE_MKDIR(cleanup, PATHNAME, 0700);
141
142 dir_fd = SAFE_OPEN(cleanup, PATHNAME, O_DIRECTORY);
143 fd = SAFE_OPEN(cleanup, testfile2, O_CREAT | O_RDWR, 0600);
144 }
145
clean(void)146 static void clean(void)
147 {
148 SAFE_UNLINK(cleanup, testfilepath);
149 SAFE_UNLINK(cleanup, testfile3);
150 SAFE_UNLINK(cleanup, testfile);
151 }
152
cleanup(void)153 static void cleanup(void)
154 {
155 if (dir_fd > 0 && close(dir_fd))
156 tst_resm(TWARN | TERRNO, "Failed to close(dir_fd)");
157
158 if (fd > 0 && close(fd))
159 tst_resm(TWARN | TERRNO, "Failed to close(fd)");
160
161 tst_rmdir();
162 }
163