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DEFINITIONS
This source file includes following definitions.
- one_ioctl_badbuf
- any_ioctl_badbuf
- ioctl_badbuf
- ioctl_badcode
- test_ioctl
1 /*
2 * Copyright (c) 2000, 2001, 2002, 2003, 2004, 2005, 2008, 2009
3 * The President and Fellows of Harvard College.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. Neither the name of the University nor the names of its contributors
14 * may be used to endorse or promote products derived from this software
15 * without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE UNIVERSITY AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE UNIVERSITY OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 */
29
30 /*
31 * ioctl
32 */
33
34 #include <sys/types.h>
35 #include <sys/ioctl.h>
36 #include <unistd.h>
37 #include <stdio.h>
38 #include <errno.h>
39
40 #include "config.h"
41 #include "test.h"
42
43 static
44 void
45 one_ioctl_badbuf(int fd, int code, const char *codename,
46 void *ptr, const char *ptrdesc)
47 {
48 char desc[128];
49 int rv;
50
51 snprintf(desc, sizeof(desc), "ioctl %s with %s", codename, ptrdesc);
52 rv = ioctl(fd, code, ptr);
53 report_test(rv, errno, EFAULT, desc);
54 }
55
56 static
57 void
58 any_ioctl_badbuf(int fd, int code, const char *codename)
59 {
60 one_ioctl_badbuf(fd, code, codename, NULL, "NULL pointer");
61 one_ioctl_badbuf(fd, code, codename, INVAL_PTR, "invalid pointer");
62 one_ioctl_badbuf(fd, code, codename, KERN_PTR, "kernel pointer");
63 }
64
65 #define IOCTL(fd, sym) any_ioctl_badbuf(fd, sym, #sym)
66
67 static
68 void
69 ioctl_badbuf(void)
70 {
71 /*
72 * Since we don't actually define any ioctls, this code won't
73 * actually run. But if you do define ioctls, turn these tests
74 * on for those that actually use the data buffer argument for
75 * anything.
76 */
77
78 /* IOCTL(STDIN_FILENO, TIOCGETA); */
79
80
81 /* suppress gcc warning */
82 (void)any_ioctl_badbuf;
83 }
84
85 static
86 void
87 ioctl_badcode(void)
88 {
89 int rv;
90 rv = ioctl(STDIN_FILENO, NONEXIST_IOCTL, NULL);
91 report_test(rv, errno, EIOCTL, "invalid ioctl");
92 }
93
94 void
95 test_ioctl(void)
96 {
97 test_ioctl_fd();
98
99 /* Since we don't actually define any ioctls, this is not meaningful */
100 ioctl_badcode();
101 ioctl_badbuf();
102 }