1 /*
2 * This file is part of ioctl_inotify strace test.
3 *
4 * Copyright (c) 2018 The strace developers.
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 <inttypes.h>
33 #include <stdio.h>
34 #include <string.h>
35 #include <unistd.h>
36 #include <asm/unistd.h>
37 #include <linux/ioctl.h>
38
39 #ifndef INOTIFY_IOC_SETNEXTWD
40 # define INOTIFY_IOC_SETNEXTWD _IOW('I', 0, int32_t)
41 #endif
42
43 static long
sys_ioctl(kernel_long_t fd,kernel_ulong_t cmd,kernel_ulong_t arg)44 sys_ioctl(kernel_long_t fd, kernel_ulong_t cmd, kernel_ulong_t arg)
45 {
46 return syscall(__NR_ioctl, fd, cmd, arg);
47 }
48
49 int
main(void)50 main(void)
51 {
52 static const kernel_ulong_t unknown_inotify_cmd =
53 (kernel_ulong_t) 0xbadc0dedfeed49edULL;
54 static const kernel_ulong_t magic =
55 (kernel_ulong_t) 0xdeadbeefbadc0dedULL;
56
57 /* Unknown inotify commands */
58 sys_ioctl(-1, unknown_inotify_cmd, magic);
59 printf("ioctl(-1, _IOC(%s_IOC_READ|_IOC_WRITE, 0x49, %#x, %#x), "
60 "%#lx) = -1 EBADF (%m)\n",
61 _IOC_DIR((unsigned int) unknown_inotify_cmd) & _IOC_NONE ?
62 "_IOC_NONE|" : "",
63 _IOC_NR((unsigned int) unknown_inotify_cmd),
64 _IOC_SIZE((unsigned int) unknown_inotify_cmd),
65 (unsigned long) magic);
66
67 sys_ioctl(-1, INOTIFY_IOC_SETNEXTWD + 1, magic);
68 printf("ioctl(-1, _IOC(_IOC_WRITE, 0x49, %#x, %#x), %#lx)"
69 " = -1 EBADF (%m)\n",
70 (unsigned int) _IOC_NR(INOTIFY_IOC_SETNEXTWD + 1),
71 (unsigned int) _IOC_SIZE(INOTIFY_IOC_SETNEXTWD + 1),
72 (unsigned long) magic);
73
74 /* INOTIFY_IOC_SETNEXTWD */
75 sys_ioctl(-1, INOTIFY_IOC_SETNEXTWD, magic);
76 printf("ioctl(-1, INOTIFY_IOC_SETNEXTWD, %d) = -1 EBADF (%m)\n",
77 (int) magic);
78
79 puts("+++ exited with 0 +++");
80 return 0;
81 }
82