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