1 /* $NetBSD: t_openat.c,v 1.3 2017/01/10 15:13:56 christos 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 1.3 2017/01/10 15:13:56 christos Exp $");
33
34 #include <sys/param.h>
35 #include <sys/stat.h>
36 #include <atf-c.h>
37 #include <errno.h>
38 #include <fcntl.h>
39 #include <limits.h>
40 #include <paths.h>
41 #include <stdio.h>
42 #include <string.h>
43 #include <unistd.h>
44
45 #define DIR "dir"
46 #define FILE "dir/openat"
47 #define BASEFILE "openat"
48 #define FILEERR "dir/openaterr"
49
50 ATF_TC(openat_fd);
ATF_TC_HEAD(openat_fd,tc)51 ATF_TC_HEAD(openat_fd, tc)
52 {
53 atf_tc_set_md_var(tc, "descr", "See that openat works with fd");
54 }
ATF_TC_BODY(openat_fd,tc)55 ATF_TC_BODY(openat_fd, tc)
56 {
57 int dfd;
58 int fd;
59
60 ATF_REQUIRE(mkdir(DIR, 0755) == 0);
61 ATF_REQUIRE((fd = open(FILE, O_CREAT|O_RDWR, 0644)) != -1);
62 ATF_REQUIRE(close(fd) == 0);
63
64 ATF_REQUIRE((dfd = open(DIR, O_RDONLY, 0)) != -1);
65 ATF_REQUIRE((fd = openat(dfd, BASEFILE, O_RDONLY, 0)) != -1);
66 ATF_REQUIRE(close(dfd) == 0);
67 ATF_REQUIRE(close(fd) == 0);
68 }
69
70 ATF_TC(openat_fdcwd);
ATF_TC_HEAD(openat_fdcwd,tc)71 ATF_TC_HEAD(openat_fdcwd, tc)
72 {
73 atf_tc_set_md_var(tc, "descr",
74 "See that openat works with fd as AT_FDCWD");
75 }
ATF_TC_BODY(openat_fdcwd,tc)76 ATF_TC_BODY(openat_fdcwd, tc)
77 {
78 int fd;
79
80 ATF_REQUIRE(mkdir(DIR, 0755) == 0);
81 ATF_REQUIRE((fd = open(FILE, O_CREAT|O_RDWR, 0644)) != -1);
82 ATF_REQUIRE(close(fd) == 0);
83
84 ATF_REQUIRE(chdir(DIR) == 0);
85 ATF_REQUIRE((fd = openat(AT_FDCWD, BASEFILE, O_RDONLY, 0)) != -1);
86 ATF_REQUIRE(close(fd) == 0);
87 }
88
89 ATF_TC(openat_fdcwderr);
ATF_TC_HEAD(openat_fdcwderr,tc)90 ATF_TC_HEAD(openat_fdcwderr, tc)
91 {
92 atf_tc_set_md_var(tc, "descr",
93 "See that openat fails with fd as AT_FDCWD and bad path");
94 }
ATF_TC_BODY(openat_fdcwderr,tc)95 ATF_TC_BODY(openat_fdcwderr, tc)
96 {
97 int fd;
98
99 ATF_REQUIRE(mkdir(DIR, 0755) == 0);
100 ATF_REQUIRE((fd = openat(AT_FDCWD, FILEERR, O_RDONLY, 0)) == -1);
101 }
102
103 ATF_TC(openat_fderr1);
ATF_TC_HEAD(openat_fderr1,tc)104 ATF_TC_HEAD(openat_fderr1, tc)
105 {
106 atf_tc_set_md_var(tc, "descr", "See that openat fail with bad path");
107 }
ATF_TC_BODY(openat_fderr1,tc)108 ATF_TC_BODY(openat_fderr1, tc)
109 {
110 int dfd;
111 int fd;
112
113 ATF_REQUIRE(mkdir(DIR, 0755) == 0);
114 ATF_REQUIRE((dfd = open(DIR, O_RDONLY, 0)) != -1);
115 ATF_REQUIRE((fd = openat(dfd, FILEERR, O_RDONLY, 0)) == -1);
116 ATF_REQUIRE(close(dfd) == 0);
117 }
118
119 ATF_TC(openat_fderr2);
ATF_TC_HEAD(openat_fderr2,tc)120 ATF_TC_HEAD(openat_fderr2, tc)
121 {
122 atf_tc_set_md_var(tc, "descr", "See that openat fails with bad fdat");
123 }
ATF_TC_BODY(openat_fderr2,tc)124 ATF_TC_BODY(openat_fderr2, tc)
125 {
126 int dfd;
127 int fd;
128 char cwd[MAXPATHLEN];
129
130 ATF_REQUIRE(mkdir(DIR, 0755) == 0);
131 ATF_REQUIRE((fd = open(FILE, O_CREAT|O_RDWR, 0644)) != -1);
132 ATF_REQUIRE(close(fd) == 0);
133
134 ATF_REQUIRE((dfd = open(getcwd(cwd, MAXPATHLEN), O_RDONLY, 0)) != -1);
135 ATF_REQUIRE((fd = openat(dfd, BASEFILE, O_RDONLY, 0)) == -1);
136 ATF_REQUIRE(close(dfd) == 0);
137 }
138
139 ATF_TC(openat_fderr3);
ATF_TC_HEAD(openat_fderr3,tc)140 ATF_TC_HEAD(openat_fderr3, tc)
141 {
142 atf_tc_set_md_var(tc, "descr", "See that openat fails with fd as -1");
143 }
ATF_TC_BODY(openat_fderr3,tc)144 ATF_TC_BODY(openat_fderr3, tc)
145 {
146 int fd;
147
148 ATF_REQUIRE(mkdir(DIR, 0755) == 0);
149 ATF_REQUIRE((fd = open(FILE, O_CREAT|O_RDWR, 0644)) != -1);
150 ATF_REQUIRE(close(fd) == 0);
151
152 ATF_REQUIRE((fd = openat(-1, FILE, O_RDONLY, 0)) == -1);
153 }
154
ATF_TP_ADD_TCS(tp)155 ATF_TP_ADD_TCS(tp)
156 {
157
158 ATF_TP_ADD_TC(tp, openat_fd);
159 ATF_TP_ADD_TC(tp, openat_fdcwd);
160 ATF_TP_ADD_TC(tp, openat_fdcwderr);
161 ATF_TP_ADD_TC(tp, openat_fderr1);
162 ATF_TP_ADD_TC(tp, openat_fderr2);
163 ATF_TP_ADD_TC(tp, openat_fderr3);
164
165 return atf_no_error();
166 }
167