1 /*
2 * Copyright (c) 2015-2016 Dmitry V. Levin <ldv@altlinux.org>
3 * Copyright (c) 2015-2017 The strace developers.
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 3. The name of the author may not be used to endorse or promote products
15 * derived from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29 #include "tests.h"
30 #include <asm/unistd.h>
31
32 #ifdef __NR_readdir
33
34 # include <assert.h>
35 # include <dirent.h>
36 # include <fcntl.h>
37 # include <stdio.h>
38 # include <string.h>
39 # include <sys/stat.h>
40 # include <unistd.h>
41
42 static const char fname[] =
43 "A\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\n"
44 "A\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\n"
45 "A\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\n"
46 "A\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\n"
47 "A\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\n"
48 "A\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\n"
49 "A\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\n"
50 "A\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nZ";
51 static const char qname[] =
52 "A\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\n"
53 "A\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\n"
54 "A\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\n"
55 "A\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\n"
56 "A\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\n"
57 "A\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\n"
58 "A\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\n"
59 "A\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nZ";
60
61 int
main(void)62 main(void)
63 {
64 static const char dname[] = "readdir.test.tmp.dir";
65 struct {
66 unsigned long d_ino;
67 unsigned long d_off;
68 unsigned short d_reclen;
69 char d_name[1024];
70 } e;
71 int rc;
72
73 assert(!mkdir(dname, 0700));
74 assert(!chdir(dname));
75 (void) close(0);
76 assert(!creat(fname, 0600));
77 assert(!close(0));
78 assert(!open(".", O_RDONLY | O_DIRECTORY));
79 while ((rc = syscall(__NR_readdir, 0, &e, 1))) {
80 if (rc < 0)
81 perror_msg_and_skip("readdir");
82 e.d_name[e.d_reclen] = '\0';
83 printf("readdir(0, {d_ino=%lu, d_off=%lu, d_reclen=%u"
84 ", d_name=\"%s\"}) = %d\n",
85 e.d_ino, e.d_off, e.d_reclen,
86 e.d_name[0] == '.' ? e.d_name : qname, rc);
87 }
88 printf("readdir(0, %p) = 0\n", &e);
89 puts("+++ exited with 0 +++");
90 assert(!unlink(fname));
91 assert(!chdir(".."));
92 assert(!rmdir(dname));
93
94 return 0;
95 }
96
97 #else
98
99 SKIP_MAIN_UNDEFINED("__NR_readdir")
100
101 #endif
102