1 /*
2 * Check decoding of inotify_add_watch and inotify_rm_watch syscalls.
3 *
4 * Copyright (c) 2016 Eugene Syromyatnikov <evgsyr@gmail.com>
5 * Copyright (c) 2016-2018 The strace developers.
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 3. The name of the author may not be used to endorse or promote products
17 * derived from this software without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
20 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
21 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
22 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
23 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
24 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
28 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30
31 #include "tests.h"
32
33 #include <asm/unistd.h>
34
35 #if defined(__NR_inotify_add_watch) && defined(__NR_inotify_rm_watch)
36
37 # include <stdio.h>
38 # include <string.h>
39 # include <unistd.h>
40
41 int
main(void)42 main(void)
43 {
44 static const struct {
45 const char *path;
46 const char *str;
47 } bogus_path_str = {
48 ARG_STR("/abc\1/def\2/ghi\3/jkl\4/mno\5/pqr\6/stu\7/vwx\10") };
49 static const kernel_ulong_t bogus_fd =
50 (kernel_ulong_t) 0xfffffeedfffffaceULL;
51 static const kernel_ulong_t bogus_mask =
52 (kernel_ulong_t) 0xffffda7affffdeadULL;
53 static const char *bogus_mask_str = "IN_ACCESS|IN_ATTRIB|"
54 "IN_CLOSE_WRITE|IN_OPEN|IN_MOVED_TO|IN_DELETE|IN_DELETE_SELF|"
55 "IN_MOVE_SELF|IN_Q_OVERFLOW|IN_IGNORED|IN_ONLYDIR|"
56 "IN_DONT_FOLLOW|IN_EXCL_UNLINK|IN_MASK_CREATE|IN_MASK_ADD|"
57 "IN_ISDIR|IN_ONESHOT|0x8ff1000";
58
59 long rc;
60 char *bogus_path = tail_memdup(bogus_path_str.path,
61 strlen(bogus_path_str.path) + 1);
62
63 rc = syscall(__NR_inotify_add_watch, 0, NULL, 0);
64 printf("inotify_add_watch(0, NULL, 0) = %s\n", sprintrc(rc));
65
66 rc = syscall(__NR_inotify_add_watch, bogus_fd, bogus_path + 4096, 0);
67 printf("inotify_add_watch(%d, %p, %u) = %s\n",
68 (int) bogus_fd, bogus_path + 4096, 0, sprintrc(rc));
69
70 rc = syscall(__NR_inotify_add_watch, bogus_fd, bogus_path, bogus_mask);
71 printf("inotify_add_watch(%d, %s, %s) = %s\n",
72 (int) bogus_fd, bogus_path_str.str, bogus_mask_str,
73 sprintrc(rc));
74
75 rc = syscall(__NR_inotify_rm_watch, 0, 0);
76 printf("inotify_rm_watch(0, 0) = %s\n", sprintrc(rc));
77
78 rc = syscall(__NR_inotify_rm_watch, bogus_fd, bogus_fd);
79 printf("inotify_rm_watch(%d, %d) = %s\n",
80 (int) bogus_fd, (int) bogus_fd, sprintrc(rc));
81
82 puts("+++ exited with 0 +++");
83
84 return 0;
85 }
86
87 #else
88
89 SKIP_MAIN_UNDEFINED("__NR_inotify_add_watch && __NR_inotify_rm_watch");
90
91 #endif
92