t_mknodat.c revision 1.2.2.2 1 1.2.2.2 yamt /* $NetBSD: t_mknodat.c,v 1.2.2.2 2013/01/16 05:33:59 yamt Exp $ */
2 1.2.2.2 yamt
3 1.2.2.2 yamt /*-
4 1.2.2.2 yamt * Copyright (c) 2012 The NetBSD Foundation, Inc.
5 1.2.2.2 yamt * All rights reserved.
6 1.2.2.2 yamt *
7 1.2.2.2 yamt * This code is derived from software contributed to The NetBSD Foundation
8 1.2.2.2 yamt * by Emmanuel Dreyfus.
9 1.2.2.2 yamt *
10 1.2.2.2 yamt * Redistribution and use in source and binary forms, with or without
11 1.2.2.2 yamt * modification, are permitted provided that the following conditions
12 1.2.2.2 yamt * are met:
13 1.2.2.2 yamt * 1. Redistributions of source code must retain the above copyright
14 1.2.2.2 yamt * notice, this list of conditions and the following disclaimer.
15 1.2.2.2 yamt * 2. Redistributions in binary form must reproduce the above copyright
16 1.2.2.2 yamt * notice, this list of conditions and the following disclaimer in the
17 1.2.2.2 yamt * documentation and/or other materials provided with the distribution.
18 1.2.2.2 yamt *
19 1.2.2.2 yamt * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 1.2.2.2 yamt * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 1.2.2.2 yamt * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 1.2.2.2 yamt * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 1.2.2.2 yamt * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 1.2.2.2 yamt * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 1.2.2.2 yamt * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 1.2.2.2 yamt * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 1.2.2.2 yamt * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 1.2.2.2 yamt * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 1.2.2.2 yamt * POSSIBILITY OF SUCH DAMAGE.
30 1.2.2.2 yamt */
31 1.2.2.2 yamt #include <sys/cdefs.h>
32 1.2.2.2 yamt __RCSID("$NetBSD: t_mknodat.c,v 1.2.2.2 2013/01/16 05:33:59 yamt Exp $");
33 1.2.2.2 yamt
34 1.2.2.2 yamt #include <atf-c.h>
35 1.2.2.2 yamt #include <errno.h>
36 1.2.2.2 yamt #include <fcntl.h>
37 1.2.2.2 yamt #include <limits.h>
38 1.2.2.2 yamt #include <paths.h>
39 1.2.2.2 yamt #include <stdio.h>
40 1.2.2.2 yamt #include <string.h>
41 1.2.2.2 yamt #include <unistd.h>
42 1.2.2.2 yamt #include <sys/param.h>
43 1.2.2.2 yamt #include <sys/stat.h>
44 1.2.2.2 yamt
45 1.2.2.2 yamt #define DIR "dir"
46 1.2.2.2 yamt #define FILE "dir/openat"
47 1.2.2.2 yamt #define BASEFILE "openat"
48 1.2.2.2 yamt #define FILEERR "dir/openaterr"
49 1.2.2.2 yamt
50 1.2.2.2 yamt static dev_t get_devnull(void);
51 1.2.2.2 yamt
52 1.2.2.2 yamt static dev_t
53 1.2.2.2 yamt get_devnull(void)
54 1.2.2.2 yamt {
55 1.2.2.2 yamt struct stat st;
56 1.2.2.2 yamt
57 1.2.2.2 yamt if (stat(_PATH_DEVNULL, &st) != 0)
58 1.2.2.2 yamt return NODEV;
59 1.2.2.2 yamt
60 1.2.2.2 yamt return st.st_rdev;
61 1.2.2.2 yamt }
62 1.2.2.2 yamt
63 1.2.2.2 yamt
64 1.2.2.2 yamt ATF_TC_WITH_CLEANUP(mknodat_fd);
65 1.2.2.2 yamt ATF_TC_HEAD(mknodat_fd, tc)
66 1.2.2.2 yamt {
67 1.2.2.2 yamt atf_tc_set_md_var(tc, "descr", "See that mknodat works with fd");
68 1.2.2.2 yamt atf_tc_set_md_var(tc, "require.user", "root");
69 1.2.2.2 yamt }
70 1.2.2.2 yamt
71 1.2.2.2 yamt ATF_TC_BODY(mknodat_fd, tc)
72 1.2.2.2 yamt {
73 1.2.2.2 yamt int dfd;
74 1.2.2.2 yamt int fd;
75 1.2.2.2 yamt dev_t dev;
76 1.2.2.2 yamt mode_t mode = S_IFCHR|0600;
77 1.2.2.2 yamt
78 1.2.2.2 yamt ATF_REQUIRE((dev = get_devnull()) != NODEV);
79 1.2.2.2 yamt ATF_REQUIRE(mkdir(DIR, 0755) == 0);
80 1.2.2.2 yamt ATF_REQUIRE((dfd = open(DIR, O_RDONLY, 0)) != -1);
81 1.2.2.2 yamt ATF_REQUIRE((fd = mknodat(dfd, BASEFILE, mode, dev)) != -1);
82 1.2.2.2 yamt ATF_REQUIRE(close(fd) == 0);
83 1.2.2.2 yamt ATF_REQUIRE(access(FILE, F_OK) == 0);
84 1.2.2.2 yamt }
85 1.2.2.2 yamt
86 1.2.2.2 yamt ATF_TC_CLEANUP(mknodat_fd, tc)
87 1.2.2.2 yamt {
88 1.2.2.2 yamt (void)unlink(FILE);
89 1.2.2.2 yamt (void)unlink(FILEERR);
90 1.2.2.2 yamt (void)rmdir(DIR);
91 1.2.2.2 yamt }
92 1.2.2.2 yamt
93 1.2.2.2 yamt
94 1.2.2.2 yamt ATF_TC_WITH_CLEANUP(mknodat_fdcwd);
95 1.2.2.2 yamt ATF_TC_HEAD(mknodat_fdcwd, tc)
96 1.2.2.2 yamt {
97 1.2.2.2 yamt atf_tc_set_md_var(tc, "descr",
98 1.2.2.2 yamt "See that mknodat works with fd as AT_FDCWD");
99 1.2.2.2 yamt atf_tc_set_md_var(tc, "require.user", "root");
100 1.2.2.2 yamt }
101 1.2.2.2 yamt
102 1.2.2.2 yamt ATF_TC_BODY(mknodat_fdcwd, tc)
103 1.2.2.2 yamt {
104 1.2.2.2 yamt int fd;
105 1.2.2.2 yamt dev_t dev;
106 1.2.2.2 yamt mode_t mode = S_IFCHR|0600;
107 1.2.2.2 yamt
108 1.2.2.2 yamt ATF_REQUIRE((dev = get_devnull()) != NODEV);
109 1.2.2.2 yamt ATF_REQUIRE(mkdir(DIR, 0755) == 0);
110 1.2.2.2 yamt ATF_REQUIRE((fd = mknodat(AT_FDCWD, FILE, mode, dev)) != -1);
111 1.2.2.2 yamt ATF_REQUIRE(close(fd) == 0);
112 1.2.2.2 yamt ATF_REQUIRE(access(FILE, F_OK) == 0);
113 1.2.2.2 yamt }
114 1.2.2.2 yamt
115 1.2.2.2 yamt ATF_TC_CLEANUP(mknodat_fdcwd, tc)
116 1.2.2.2 yamt {
117 1.2.2.2 yamt (void)unlink(FILE);
118 1.2.2.2 yamt (void)unlink(FILEERR);
119 1.2.2.2 yamt (void)rmdir(DIR);
120 1.2.2.2 yamt }
121 1.2.2.2 yamt
122 1.2.2.2 yamt ATF_TC_WITH_CLEANUP(mknodat_fdcwderr);
123 1.2.2.2 yamt ATF_TC_HEAD(mknodat_fdcwderr, tc)
124 1.2.2.2 yamt {
125 1.2.2.2 yamt atf_tc_set_md_var(tc, "descr",
126 1.2.2.2 yamt "See that mknodat fails with fd as AT_FDCWD and bad path");
127 1.2.2.2 yamt atf_tc_set_md_var(tc, "require.user", "root");
128 1.2.2.2 yamt }
129 1.2.2.2 yamt
130 1.2.2.2 yamt ATF_TC_BODY(mknodat_fdcwderr, tc)
131 1.2.2.2 yamt {
132 1.2.2.2 yamt int fd;
133 1.2.2.2 yamt dev_t dev;
134 1.2.2.2 yamt mode_t mode = S_IFCHR|0600;
135 1.2.2.2 yamt
136 1.2.2.2 yamt ATF_REQUIRE((dev = get_devnull()) != NODEV);
137 1.2.2.2 yamt ATF_REQUIRE((fd = mknodat(AT_FDCWD, FILEERR, mode, dev)) == -1);
138 1.2.2.2 yamt }
139 1.2.2.2 yamt
140 1.2.2.2 yamt ATF_TC_CLEANUP(mknodat_fdcwderr, tc)
141 1.2.2.2 yamt {
142 1.2.2.2 yamt (void)unlink(FILE);
143 1.2.2.2 yamt (void)unlink(FILEERR);
144 1.2.2.2 yamt (void)rmdir(DIR);
145 1.2.2.2 yamt }
146 1.2.2.2 yamt
147 1.2.2.2 yamt ATF_TC_WITH_CLEANUP(mknodat_fderr);
148 1.2.2.2 yamt ATF_TC_HEAD(mknodat_fderr, tc)
149 1.2.2.2 yamt {
150 1.2.2.2 yamt atf_tc_set_md_var(tc, "descr", "See that mknodat fails with fd as -1");
151 1.2.2.2 yamt atf_tc_set_md_var(tc, "require.user", "root");
152 1.2.2.2 yamt }
153 1.2.2.2 yamt
154 1.2.2.2 yamt ATF_TC_BODY(mknodat_fderr, tc)
155 1.2.2.2 yamt {
156 1.2.2.2 yamt int fd;
157 1.2.2.2 yamt dev_t dev;
158 1.2.2.2 yamt mode_t mode = S_IFCHR|0600;
159 1.2.2.2 yamt
160 1.2.2.2 yamt ATF_REQUIRE((dev = get_devnull()) != NODEV);
161 1.2.2.2 yamt ATF_REQUIRE(mkdir(DIR, 0755) == 0);
162 1.2.2.2 yamt ATF_REQUIRE((fd = open(FILE, O_CREAT|O_RDWR, 0644)) != -1);
163 1.2.2.2 yamt ATF_REQUIRE(close(fd) == 0);
164 1.2.2.2 yamt ATF_REQUIRE((fd = mknodat(-1, FILE, mode, dev)) == -1);
165 1.2.2.2 yamt }
166 1.2.2.2 yamt
167 1.2.2.2 yamt ATF_TC_CLEANUP(mknodat_fderr, tc)
168 1.2.2.2 yamt {
169 1.2.2.2 yamt (void)unlink(FILE);
170 1.2.2.2 yamt (void)unlink(FILEERR);
171 1.2.2.2 yamt (void)rmdir(DIR);
172 1.2.2.2 yamt }
173 1.2.2.2 yamt
174 1.2.2.2 yamt
175 1.2.2.2 yamt ATF_TP_ADD_TCS(tp)
176 1.2.2.2 yamt {
177 1.2.2.2 yamt
178 1.2.2.2 yamt ATF_TP_ADD_TC(tp, mknodat_fd);
179 1.2.2.2 yamt ATF_TP_ADD_TC(tp, mknodat_fdcwd);
180 1.2.2.2 yamt ATF_TP_ADD_TC(tp, mknodat_fdcwderr);
181 1.2.2.2 yamt ATF_TP_ADD_TC(tp, mknodat_fderr);
182 1.2.2.2 yamt
183 1.2.2.2 yamt return atf_no_error();
184 1.2.2.2 yamt }
185