1 /* $NetBSD: t_openat.c,v 1.2 2013/03/17 04:46:06 jmmv Exp $ */
2
3 /*-
4 * Copyright (c) 2012 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Emmanuel Dreyfus.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
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.
18 *
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.
30 */
31 #include <sys/cdefs.h>
32 __RCSID("$NetBSD: t_openat.c,v 1.2 2013/03/17 04:46:06 jmmv Exp $");
33
34 #include <atf-c.h>
35 #include <errno.h>
36 #include <fcntl.h>
37 #include <limits.h>
38 #include <paths.h>
39 #include <stdio.h>
40 #include <string.h>
41 #include <unistd.h>
42 #include <sys/param.h>
43
44 #define DIR "dir"
45 #define FILE "dir/openat"
46 #define BASEFILE "openat"
47 #define FILEERR "dir/openaterr"
48
49 ATF_TC(openat_fd);
ATF_TC_HEAD(openat_fd,tc)50 ATF_TC_HEAD(openat_fd, tc)
51 {
52 atf_tc_set_md_var(tc, "descr", "See that openat works with fd");
53 }
ATF_TC_BODY(openat_fd,tc)54 ATF_TC_BODY(openat_fd, tc)
55 {
56 int dfd;
57 int fd;
58
59 ATF_REQUIRE(mkdir(DIR, 0755) == 0);
60 ATF_REQUIRE((fd = open(FILE, O_CREAT|O_RDWR, 0644)) != -1);
61 ATF_REQUIRE(close(fd) == 0);
62
63 ATF_REQUIRE((dfd = open(DIR, O_RDONLY, 0)) != -1);
64 ATF_REQUIRE((fd = openat(dfd, BASEFILE, O_RDONLY, 0)) != -1);
65 ATF_REQUIRE(close(dfd) == 0);
66 ATF_REQUIRE(close(fd) == 0);
67 }
68
69 ATF_TC(openat_fdcwd);
ATF_TC_HEAD(openat_fdcwd,tc)70 ATF_TC_HEAD(openat_fdcwd, tc)
71 {
72 atf_tc_set_md_var(tc, "descr",
73 "See that openat works with fd as AT_FDCWD");
74 }
ATF_TC_BODY(openat_fdcwd,tc)75 ATF_TC_BODY(openat_fdcwd, tc)
76 {
77 int fd;
78
79 ATF_REQUIRE(mkdir(DIR, 0755) == 0);
80 ATF_REQUIRE((fd = open(FILE, O_CREAT|O_RDWR, 0644)) != -1);
81 ATF_REQUIRE(close(fd) == 0);
82
83 ATF_REQUIRE(chdir(DIR) == 0);
84 ATF_REQUIRE((fd = openat(AT_FDCWD, BASEFILE, O_RDONLY, 0)) != -1);
85 ATF_REQUIRE(close(fd) == 0);
86 }
87
88 ATF_TC(openat_fdcwderr);
ATF_TC_HEAD(openat_fdcwderr,tc)89 ATF_TC_HEAD(openat_fdcwderr, tc)
90 {
91 atf_tc_set_md_var(tc, "descr",
92 "See that openat fails with fd as AT_FDCWD and bad path");
93 }
ATF_TC_BODY(openat_fdcwderr,tc)94 ATF_TC_BODY(openat_fdcwderr, tc)
95 {
96 int fd;
97
98 ATF_REQUIRE(mkdir(DIR, 0755) == 0);
99 ATF_REQUIRE((fd = openat(AT_FDCWD, FILEERR, O_RDONLY, 0)) == -1);
100 }
101
102 ATF_TC(openat_fderr1);
ATF_TC_HEAD(openat_fderr1,tc)103 ATF_TC_HEAD(openat_fderr1, tc)
104 {
105 atf_tc_set_md_var(tc, "descr", "See that openat fail with bad path");
106 }
ATF_TC_BODY(openat_fderr1,tc)107 ATF_TC_BODY(openat_fderr1, tc)
108 {
109 int dfd;
110 int fd;
111
112 ATF_REQUIRE(mkdir(DIR, 0755) == 0);
113 ATF_REQUIRE((dfd = open(DIR, O_RDONLY, 0)) != -1);
114 ATF_REQUIRE((fd = openat(dfd, FILEERR, O_RDONLY, 0)) == -1);
115 ATF_REQUIRE(close(dfd) == 0);
116 }
117
118 ATF_TC(openat_fderr2);
ATF_TC_HEAD(openat_fderr2,tc)119 ATF_TC_HEAD(openat_fderr2, tc)
120 {
121 atf_tc_set_md_var(tc, "descr", "See that openat fails with bad fdat");
122 }
ATF_TC_BODY(openat_fderr2,tc)123 ATF_TC_BODY(openat_fderr2, tc)
124 {
125 int dfd;
126 int fd;
127 char cwd[MAXPATHLEN];
128
129 ATF_REQUIRE(mkdir(DIR, 0755) == 0);
130 ATF_REQUIRE((fd = open(FILE, O_CREAT|O_RDWR, 0644)) != -1);
131 ATF_REQUIRE(close(fd) == 0);
132
133 ATF_REQUIRE((dfd = open(getcwd(cwd, MAXPATHLEN), O_RDONLY, 0)) != -1);
134 ATF_REQUIRE((fd = openat(dfd, BASEFILE, O_RDONLY, 0)) == -1);
135 ATF_REQUIRE(close(dfd) == 0);
136 }
137
138 ATF_TC(openat_fderr3);
ATF_TC_HEAD(openat_fderr3,tc)139 ATF_TC_HEAD(openat_fderr3, tc)
140 {
141 atf_tc_set_md_var(tc, "descr", "See that openat fails with fd as -1");
142 }
ATF_TC_BODY(openat_fderr3,tc)143 ATF_TC_BODY(openat_fderr3, tc)
144 {
145 int fd;
146
147 ATF_REQUIRE(mkdir(DIR, 0755) == 0);
148 ATF_REQUIRE((fd = open(FILE, O_CREAT|O_RDWR, 0644)) != -1);
149 ATF_REQUIRE(close(fd) == 0);
150
151 ATF_REQUIRE((fd = openat(-1, FILE, O_RDONLY, 0)) == -1);
152 }
153
ATF_TP_ADD_TCS(tp)154 ATF_TP_ADD_TCS(tp)
155 {
156
157 ATF_TP_ADD_TC(tp, openat_fd);
158 ATF_TP_ADD_TC(tp, openat_fdcwd);
159 ATF_TP_ADD_TC(tp, openat_fdcwderr);
160 ATF_TP_ADD_TC(tp, openat_fderr1);
161 ATF_TP_ADD_TC(tp, openat_fderr2);
162 ATF_TP_ADD_TC(tp, openat_fderr3);
163
164 return atf_no_error();
165 }
166