1 /*
2 * Check success injection.
3 *
4 * Copyright (c) 2017 Elvira Khabirova <lineprinter0@gmail.com>
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. The name of the author may not be used to endorse or promote products
16 * derived from this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
21 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
23 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
27 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 */
29
30 #include "tests.h"
31 #include <asm/unistd.h>
32
33 #ifdef __NR_chdir
34
35 # include <assert.h>
36 # include <stdio.h>
37 # include <stdlib.h>
38 # include <unistd.h>
39 # include <sys/stat.h>
40
41 int
main(int argc,char * argv[])42 main(int argc, char *argv[])
43 {
44 assert(argc == 2);
45
46 static const char dir[] = "..";
47 struct stat before, after;
48
49 if (stat(".", &before))
50 perror_msg_and_fail("stat");
51
52 long rval = syscall(__NR_chdir, dir);
53
54 if (stat(".", &after))
55 perror_msg_and_fail("stat");
56
57 if (before.st_dev != after.st_dev || before.st_ino != after.st_ino)
58 error_msg_and_fail("syscall succeeded");
59 if (atol(argv[1]) != rval)
60 error_msg_and_fail("expected retval %s, got retval %ld",
61 argv[1], rval);
62
63 printf("chdir(\"%s\") = %ld (INJECTED)\n", dir, rval);
64
65 puts("+++ exited with 0 +++");
66 return 0;
67 }
68
69 #else
70
71 SKIP_MAIN_UNDEFINED("__NR_chdir")
72
73 #endif
74