1 /* $NetBSD: t_mknodat.c,v 1.4 2017/01/10 15:15:09 christos Exp $ */
4 * Copyright (c) 2012 The NetBSD Foundation, Inc.
7 * This code is derived from software contributed to The NetBSD Foundation
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
31 #include <sys/cdefs.h>
32 __RCSID("$NetBSD: t_mknodat.c,v 1.4 2017/01/10 15:15:09 christos Exp $");
42 #include <sys/param.h>
46 #define FILE "dir/openat"
47 #define BASEFILE "openat"
48 #define FILEERR "dir/openaterr"
50 static dev_t get_devnull(void);
57 if (stat(_PATH_DEVNULL, &st) != 0)
65 ATF_TC_HEAD(mknodat_fd, tc)
67 atf_tc_set_md_var(tc, "descr", "See that mknodat works with fd");
68 atf_tc_set_md_var(tc, "require.user", "root");
70 ATF_TC_BODY(mknodat_fd, tc)
75 mode_t mode = S_IFCHR|0600;
77 ATF_REQUIRE((dev = get_devnull()) != NODEV);
78 ATF_REQUIRE(mkdir(DIR, 0755) == 0);
79 ATF_REQUIRE((dfd = open(DIR, O_RDONLY, 0)) != -1);
80 ATF_REQUIRE((fd = mknodat(dfd, BASEFILE, mode, dev)) != -1);
81 ATF_REQUIRE(close(fd) == 0);
82 ATF_REQUIRE(access(FILE, F_OK) == 0);
86 ATF_TC(mknodat_fdcwd);
87 ATF_TC_HEAD(mknodat_fdcwd, tc)
89 atf_tc_set_md_var(tc, "descr",
90 "See that mknodat works with fd as AT_FDCWD");
91 atf_tc_set_md_var(tc, "require.user", "root");
93 ATF_TC_BODY(mknodat_fdcwd, tc)
97 mode_t mode = S_IFCHR|0600;
99 ATF_REQUIRE((dev = get_devnull()) != NODEV);
100 ATF_REQUIRE(mkdir(DIR, 0755) == 0);
101 ATF_REQUIRE((fd = mknodat(AT_FDCWD, FILE, mode, dev)) != -1);
102 ATF_REQUIRE(close(fd) == 0);
103 ATF_REQUIRE(access(FILE, F_OK) == 0);
106 ATF_TC(mknodat_fdcwderr);
107 ATF_TC_HEAD(mknodat_fdcwderr, tc)
109 atf_tc_set_md_var(tc, "descr",
110 "See that mknodat fails with fd as AT_FDCWD and bad path");
111 atf_tc_set_md_var(tc, "require.user", "root");
113 ATF_TC_BODY(mknodat_fdcwderr, tc)
117 mode_t mode = S_IFCHR|0600;
119 ATF_REQUIRE((dev = get_devnull()) != NODEV);
120 ATF_REQUIRE((fd = mknodat(AT_FDCWD, FILEERR, mode, dev)) == -1);
123 ATF_TC(mknodat_fderr);
124 ATF_TC_HEAD(mknodat_fderr, tc)
126 atf_tc_set_md_var(tc, "descr", "See that mknodat fails with fd as -1");
127 atf_tc_set_md_var(tc, "require.user", "root");
129 ATF_TC_BODY(mknodat_fderr, tc)
133 mode_t mode = S_IFCHR|0600;
135 ATF_REQUIRE((dev = get_devnull()) != NODEV);
136 ATF_REQUIRE(mkdir(DIR, 0755) == 0);
137 ATF_REQUIRE((fd = open(FILE, O_CREAT|O_RDWR, 0644)) != -1);
138 ATF_REQUIRE(close(fd) == 0);
139 ATF_REQUIRE((fd = mknodat(-1, FILE, mode, dev)) == -1);
145 ATF_TP_ADD_TC(tp, mknodat_fd);
146 ATF_TP_ADD_TC(tp, mknodat_fdcwd);
147 ATF_TP_ADD_TC(tp, mknodat_fdcwderr);
148 ATF_TP_ADD_TC(tp, mknodat_fderr);
150 return atf_no_error();