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 
44 #define DIR "dir"
45 #define FILE "dir/faccessat"
46 #define BASEFILE "faccessat"
47 #define LINK "dir/symlink"
48 #define BASELINK "symlink"
49 #define FILEERR "dir/faccessaterr"
50 
51 ATF_TC(faccessat_fd);
52 ATF_TC_HEAD(faccessat_fd, tc)
53 {
54 	atf_tc_set_md_var(tc, "descr", "See that faccessat works with fd");
55 }
56 ATF_TC_BODY(faccessat_fd, tc)
57 {
58 	int dfd;
59 	int fd;
60 
61 	ATF_REQUIRE(mkdir(DIR, 0755) == 0);
62 	ATF_REQUIRE((fd = open(FILE, O_CREAT|O_RDWR, 0644)) != -1);
63 	ATF_REQUIRE(close(fd) == 0);
64 
65 	ATF_REQUIRE((dfd = open(DIR, O_RDONLY, 0)) != -1);
66 	ATF_REQUIRE(faccessat(dfd, BASEFILE, F_OK, 0) == 0);
67 	ATF_REQUIRE(close(dfd) == 0);
68 }
69 
70 ATF_TC(faccessat_fdcwd);
71 ATF_TC_HEAD(faccessat_fdcwd, tc)
72 {
73 	atf_tc_set_md_var(tc, "descr",
74 			  "See that faccessat works with fd as AT_FDCWD");
75 }
76 ATF_TC_BODY(faccessat_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(faccessat(AT_FDCWD, BASEFILE, F_OK, 0) == 0);
86 }
87 
88 ATF_TC(faccessat_fdcwderr);
89 ATF_TC_HEAD(faccessat_fdcwderr, tc)
90 {
91 	atf_tc_set_md_var(tc, "descr",
92 		  "See that faccessat fails with fd as AT_FDCWD and bad path");
93 }
94 ATF_TC_BODY(faccessat_fdcwderr, tc)
95 {
96 	ATF_REQUIRE(mkdir(DIR, 0755) == 0);
97 	ATF_REQUIRE(faccessat(AT_FDCWD, FILEERR, F_OK, 0) == -1);
98 }
99 
100 ATF_TC(faccessat_fderr1);
101 ATF_TC_HEAD(faccessat_fderr1, tc)
102 {
103 	atf_tc_set_md_var(tc, "descr", "See that faccessat fail with bad path");
104 }
105 ATF_TC_BODY(faccessat_fderr1, tc)
106 {
107 	int dfd;
108 
109 	ATF_REQUIRE(mkdir(DIR, 0755) == 0);
110 	ATF_REQUIRE((dfd = open(DIR, O_RDONLY, 0)) != -1);
111 	ATF_REQUIRE(faccessat(dfd, FILEERR, F_OK, 0) == -1);
112 	ATF_REQUIRE(close(dfd) == 0);
113 }
114 
115 ATF_TC(faccessat_fderr2);
116 ATF_TC_HEAD(faccessat_fderr2, tc)
117 {
118 	atf_tc_set_md_var(tc, "descr", "See that faccessat fails with bad fdat");
119 }
120 ATF_TC_BODY(faccessat_fderr2, tc)
121 {
122 	int dfd;
123 	int fd;
124 	char cwd[MAXPATHLEN];
125 
126 	ATF_REQUIRE(mkdir(DIR, 0755) == 0);
127 	ATF_REQUIRE((fd = open(FILE, O_CREAT|O_RDWR, 0644)) != -1);
128 	ATF_REQUIRE(close(fd) == 0);
129 
130 	ATF_REQUIRE((dfd = open(getcwd(cwd, MAXPATHLEN), O_RDONLY, 0)) != -1);
131 	ATF_REQUIRE(faccessat(dfd, BASEFILE, F_OK, 0) == -1);
132 	ATF_REQUIRE(close(dfd) == 0);
133 }
134 
135 ATF_TC(faccessat_fderr3);
136 ATF_TC_HEAD(faccessat_fderr3, tc)
137 {
138 	atf_tc_set_md_var(tc, "descr", "See that faccessat fails with fd as -1");
139 }
140 ATF_TC_BODY(faccessat_fderr3, tc)
141 {
142 	int fd;
143 
144 	ATF_REQUIRE(mkdir(DIR, 0755) == 0);
145 	ATF_REQUIRE((fd = open(FILE, O_CREAT|O_RDWR, 0644)) != -1);
146 	ATF_REQUIRE(close(fd) == 0);
147 
148 	ATF_REQUIRE(faccessat(-1, FILE, F_OK, 0) == -1);
149 }
150 
151 ATF_TC(faccessat_fdlink);
152 ATF_TC_HEAD(faccessat_fdlink, tc)
153 {
154 	atf_tc_set_md_var(tc, "descr", "See that faccessat works on symlink");
155 }
156 ATF_TC_BODY(faccessat_fdlink, tc)
157 {
158 	int dfd;
159 
160 	ATF_REQUIRE(mkdir(DIR, 0755) == 0);
161 	ATF_REQUIRE(symlink(FILE, LINK) == 0); /* NB: FILE does not exists */
162 
163 	ATF_REQUIRE((dfd = open(DIR, O_RDONLY, 0)) != -1);
164 
165 	ATF_REQUIRE(faccessat(dfd, BASELINK, F_OK, 0) == -1);
166 	ATF_REQUIRE(errno == ENOENT);
167 
168 #ifdef __FreeBSD__
169 	atf_tc_expect_fail("Depends on non-standard behavior not mentioned in POSIX.1-2008");
170 #endif
171 	ATF_REQUIRE(faccessat(dfd, BASELINK, F_OK, AT_SYMLINK_NOFOLLOW) == 0);
172 
173 	ATF_REQUIRE(close(dfd) == 0);
174 }
175 
176 ATF_TP_ADD_TCS(tp)
177 {
178 
179 	ATF_TP_ADD_TC(tp, faccessat_fd);
180 	ATF_TP_ADD_TC(tp, faccessat_fdcwd);
181 	ATF_TP_ADD_TC(tp, faccessat_fdcwderr);
182 	ATF_TP_ADD_TC(tp, faccessat_fderr1);
183 	ATF_TP_ADD_TC(tp, faccessat_fderr2);
184 	ATF_TP_ADD_TC(tp, faccessat_fderr3);
185 	ATF_TP_ADD_TC(tp, faccessat_fdlink);
186 
187 	return atf_no_error();
188 }
189