1 /*	$NetBSD: t_faccessat.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_faccessat.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 #ifdef __FreeBSD__
44 #include <sys/stat.h>
45 #endif
46 
47 #define DIR "dir"
48 #define FILE "dir/faccessat"
49 #define BASEFILE "faccessat"
50 #define LINK "dir/symlink"
51 #define BASELINK "symlink"
52 #define FILEERR "dir/faccessaterr"
53 
54 ATF_TC(faccessat_fd);
55 ATF_TC_HEAD(faccessat_fd, tc)
56 {
57 	atf_tc_set_md_var(tc, "descr", "See that faccessat works with fd");
58 }
59 ATF_TC_BODY(faccessat_fd, tc)
60 {
61 	int dfd;
62 	int fd;
63 
64 	ATF_REQUIRE(mkdir(DIR, 0755) == 0);
65 	ATF_REQUIRE((fd = open(FILE, O_CREAT|O_RDWR, 0644)) != -1);
66 	ATF_REQUIRE(close(fd) == 0);
67 
68 	ATF_REQUIRE((dfd = open(DIR, O_RDONLY, 0)) != -1);
69 	ATF_REQUIRE(faccessat(dfd, BASEFILE, F_OK, 0) == 0);
70 	ATF_REQUIRE(close(dfd) == 0);
71 }
72 
73 ATF_TC(faccessat_fdcwd);
74 ATF_TC_HEAD(faccessat_fdcwd, tc)
75 {
76 	atf_tc_set_md_var(tc, "descr",
77 			  "See that faccessat works with fd as AT_FDCWD");
78 }
79 ATF_TC_BODY(faccessat_fdcwd, tc)
80 {
81 	int fd;
82 
83 	ATF_REQUIRE(mkdir(DIR, 0755) == 0);
84 	ATF_REQUIRE((fd = open(FILE, O_CREAT|O_RDWR, 0644)) != -1);
85 	ATF_REQUIRE(close(fd) == 0);
86 
87 	ATF_REQUIRE(chdir(DIR) == 0);
88 	ATF_REQUIRE(faccessat(AT_FDCWD, BASEFILE, F_OK, 0) == 0);
89 }
90 
91 ATF_TC(faccessat_fdcwderr);
92 ATF_TC_HEAD(faccessat_fdcwderr, tc)
93 {
94 	atf_tc_set_md_var(tc, "descr",
95 		  "See that faccessat fails with fd as AT_FDCWD and bad path");
96 }
97 ATF_TC_BODY(faccessat_fdcwderr, tc)
98 {
99 	ATF_REQUIRE(mkdir(DIR, 0755) == 0);
100 	ATF_REQUIRE(faccessat(AT_FDCWD, FILEERR, F_OK, 0) == -1);
101 }
102 
103 ATF_TC(faccessat_fderr1);
104 ATF_TC_HEAD(faccessat_fderr1, tc)
105 {
106 	atf_tc_set_md_var(tc, "descr", "See that faccessat fail with bad path");
107 }
108 ATF_TC_BODY(faccessat_fderr1, tc)
109 {
110 	int dfd;
111 
112 	ATF_REQUIRE(mkdir(DIR, 0755) == 0);
113 	ATF_REQUIRE((dfd = open(DIR, O_RDONLY, 0)) != -1);
114 	ATF_REQUIRE(faccessat(dfd, FILEERR, F_OK, 0) == -1);
115 	ATF_REQUIRE(close(dfd) == 0);
116 }
117 
118 ATF_TC(faccessat_fderr2);
119 ATF_TC_HEAD(faccessat_fderr2, tc)
120 {
121 	atf_tc_set_md_var(tc, "descr", "See that faccessat fails with bad fdat");
122 }
123 ATF_TC_BODY(faccessat_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(faccessat(dfd, BASEFILE, F_OK, 0) == -1);
135 	ATF_REQUIRE(close(dfd) == 0);
136 }
137 
138 ATF_TC(faccessat_fderr3);
139 ATF_TC_HEAD(faccessat_fderr3, tc)
140 {
141 	atf_tc_set_md_var(tc, "descr", "See that faccessat fails with fd as -1");
142 }
143 ATF_TC_BODY(faccessat_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(faccessat(-1, FILE, F_OK, 0) == -1);
152 }
153 
154 ATF_TC(faccessat_fdlink);
155 ATF_TC_HEAD(faccessat_fdlink, tc)
156 {
157 	atf_tc_set_md_var(tc, "descr", "See that faccessat works on symlink");
158 }
159 ATF_TC_BODY(faccessat_fdlink, tc)
160 {
161 	int dfd;
162 
163 	ATF_REQUIRE(mkdir(DIR, 0755) == 0);
164 	ATF_REQUIRE(symlink(FILE, LINK) == 0); /* NB: FILE does not exists */
165 
166 	ATF_REQUIRE((dfd = open(DIR, O_RDONLY, 0)) != -1);
167 
168 	ATF_REQUIRE(faccessat(dfd, BASELINK, F_OK, 0) == -1);
169 	ATF_REQUIRE(errno == ENOENT);
170 
171 #ifdef __FreeBSD__
172 	atf_tc_expect_fail("Depends on non-standard behavior not mentioned in POSIX.1-2008");
173 #endif
174 	ATF_REQUIRE(faccessat(dfd, BASELINK, F_OK, AT_SYMLINK_NOFOLLOW) == 0);
175 
176 	ATF_REQUIRE(close(dfd) == 0);
177 }
178 
179 ATF_TP_ADD_TCS(tp)
180 {
181 
182 	ATF_TP_ADD_TC(tp, faccessat_fd);
183 	ATF_TP_ADD_TC(tp, faccessat_fdcwd);
184 	ATF_TP_ADD_TC(tp, faccessat_fdcwderr);
185 	ATF_TP_ADD_TC(tp, faccessat_fderr1);
186 	ATF_TP_ADD_TC(tp, faccessat_fderr2);
187 	ATF_TP_ADD_TC(tp, faccessat_fderr3);
188 	ATF_TP_ADD_TC(tp, faccessat_fdlink);
189 
190 	return atf_no_error();
191 }
192