1 /*
2 * Check decoding of inotify_add_watch and inotify_rm_watch syscalls.
3 *
4 * Copyright (c) 2016 Eugene Syromyatnikov <evgsyr@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
32 #include <asm/unistd.h>
33
34 #if defined(__NR_inotify_add_watch) && defined(__NR_inotify_rm_watch)
35
36 # include <stdio.h>
37 # include <string.h>
38 # include <unistd.h>
39
40 int
main(void)41 main(void)
42 {
43 static const struct {
44 const char *path;
45 const char *str;
46 } bogus_path_str = {
47 ARG_STR("/abc\1/def\2/ghi\3/jkl\4/mno\5/pqr\6/stu\7/vwx\10") };
48 static const kernel_ulong_t bogus_fd =
49 (kernel_ulong_t) 0xfffffeedfffffaceULL;
50 static const kernel_ulong_t bogus_mask =
51 (kernel_ulong_t) 0xffffda7affffdeadULL;
52 static const char *bogus_mask_str = "IN_ACCESS|IN_ATTRIB|"
53 "IN_CLOSE_WRITE|IN_OPEN|IN_MOVED_TO|IN_DELETE|IN_DELETE_SELF|"
54 "IN_MOVE_SELF|IN_Q_OVERFLOW|IN_IGNORED|IN_ONLYDIR|"
55 "IN_DONT_FOLLOW|IN_EXCL_UNLINK|IN_MASK_ADD|IN_ISDIR|IN_ONESHOT|"
56 "0x18ff1000";
57
58 long rc;
59 char *bogus_path = tail_memdup(bogus_path_str.path,
60 strlen(bogus_path_str.path) + 1);
61
62 rc = syscall(__NR_inotify_add_watch, 0, NULL, 0);
63 printf("inotify_add_watch(0, NULL, 0) = %s\n", sprintrc(rc));
64
65 rc = syscall(__NR_inotify_add_watch, bogus_fd, bogus_path + 4096, 0);
66 printf("inotify_add_watch(%d, %p, %u) = %s\n",
67 (int) bogus_fd, bogus_path + 4096, 0, sprintrc(rc));
68
69 rc = syscall(__NR_inotify_add_watch, bogus_fd, bogus_path, bogus_mask);
70 printf("inotify_add_watch(%d, %s, %s) = %s\n",
71 (int) bogus_fd, bogus_path_str.str, bogus_mask_str,
72 sprintrc(rc));
73
74 rc = syscall(__NR_inotify_rm_watch, 0, 0);
75 printf("inotify_rm_watch(0, 0) = %s\n", sprintrc(rc));
76
77 rc = syscall(__NR_inotify_rm_watch, bogus_fd, bogus_fd);
78 printf("inotify_rm_watch(%d, %d) = %s\n",
79 (int) bogus_fd, (int) bogus_fd, sprintrc(rc));
80
81 puts("+++ exited with 0 +++");
82
83 return 0;
84 }
85
86 #else
87
88 SKIP_MAIN_UNDEFINED("__NR_inotify_add_watch && __NR_inotify_rm_watch");
89
90 #endif
91