1 /* $NetBSD: t_faccessat.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_faccessat.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/faccessat"
47 #define BASEFILE "faccessat"
48 #define LINK "dir/symlink"
49 #define BASELINK "symlink"
50 #define FILEERR "dir/faccessaterr"
51
52 ATF_TC(faccessat_fd);
ATF_TC_HEAD(faccessat_fd,tc)53 ATF_TC_HEAD(faccessat_fd, tc)
54 {
55 atf_tc_set_md_var(tc, "descr", "See that faccessat works with fd");
56 }
ATF_TC_BODY(faccessat_fd,tc)57 ATF_TC_BODY(faccessat_fd, tc)
58 {
59 int dfd;
60 int fd;
61
62 ATF_REQUIRE(mkdir(DIR, 0755) == 0);
63 ATF_REQUIRE((fd = open(FILE, O_CREAT|O_RDWR, 0644)) != -1);
64 ATF_REQUIRE(close(fd) == 0);
65
66 ATF_REQUIRE((dfd = open(DIR, O_RDONLY, 0)) != -1);
67 ATF_REQUIRE(faccessat(dfd, BASEFILE, F_OK, 0) == 0);
68 ATF_REQUIRE(close(dfd) == 0);
69 }
70
71 ATF_TC(faccessat_fdcwd);
ATF_TC_HEAD(faccessat_fdcwd,tc)72 ATF_TC_HEAD(faccessat_fdcwd, tc)
73 {
74 atf_tc_set_md_var(tc, "descr",
75 "See that faccessat works with fd as AT_FDCWD");
76 }
ATF_TC_BODY(faccessat_fdcwd,tc)77 ATF_TC_BODY(faccessat_fdcwd, tc)
78 {
79 int fd;
80
81 ATF_REQUIRE(mkdir(DIR, 0755) == 0);
82 ATF_REQUIRE((fd = open(FILE, O_CREAT|O_RDWR, 0644)) != -1);
83 ATF_REQUIRE(close(fd) == 0);
84
85 ATF_REQUIRE(chdir(DIR) == 0);
86 ATF_REQUIRE(faccessat(AT_FDCWD, BASEFILE, F_OK, 0) == 0);
87 }
88
89 ATF_TC(faccessat_fdcwderr);
ATF_TC_HEAD(faccessat_fdcwderr,tc)90 ATF_TC_HEAD(faccessat_fdcwderr, tc)
91 {
92 atf_tc_set_md_var(tc, "descr",
93 "See that faccessat fails with fd as AT_FDCWD and bad path");
94 }
ATF_TC_BODY(faccessat_fdcwderr,tc)95 ATF_TC_BODY(faccessat_fdcwderr, tc)
96 {
97 ATF_REQUIRE(mkdir(DIR, 0755) == 0);
98 ATF_REQUIRE(faccessat(AT_FDCWD, FILEERR, F_OK, 0) == -1);
99 }
100
101 ATF_TC(faccessat_fderr1);
ATF_TC_HEAD(faccessat_fderr1,tc)102 ATF_TC_HEAD(faccessat_fderr1, tc)
103 {
104 atf_tc_set_md_var(tc, "descr", "See that faccessat fail with bad path");
105 }
ATF_TC_BODY(faccessat_fderr1,tc)106 ATF_TC_BODY(faccessat_fderr1, tc)
107 {
108 int dfd;
109
110 ATF_REQUIRE(mkdir(DIR, 0755) == 0);
111 ATF_REQUIRE((dfd = open(DIR, O_RDONLY, 0)) != -1);
112 ATF_REQUIRE(faccessat(dfd, FILEERR, F_OK, 0) == -1);
113 ATF_REQUIRE(close(dfd) == 0);
114 }
115
116 ATF_TC(faccessat_fderr2);
ATF_TC_HEAD(faccessat_fderr2,tc)117 ATF_TC_HEAD(faccessat_fderr2, tc)
118 {
119 atf_tc_set_md_var(tc, "descr", "See that faccessat fails with bad fdat");
120 }
ATF_TC_BODY(faccessat_fderr2,tc)121 ATF_TC_BODY(faccessat_fderr2, tc)
122 {
123 int dfd;
124 int fd;
125 char cwd[MAXPATHLEN];
126
127 ATF_REQUIRE(mkdir(DIR, 0755) == 0);
128 ATF_REQUIRE((fd = open(FILE, O_CREAT|O_RDWR, 0644)) != -1);
129 ATF_REQUIRE(close(fd) == 0);
130
131 ATF_REQUIRE((dfd = open(getcwd(cwd, MAXPATHLEN), O_RDONLY, 0)) != -1);
132 ATF_REQUIRE(faccessat(dfd, BASEFILE, F_OK, 0) == -1);
133 ATF_REQUIRE(close(dfd) == 0);
134 }
135
136 ATF_TC(faccessat_fderr3);
ATF_TC_HEAD(faccessat_fderr3,tc)137 ATF_TC_HEAD(faccessat_fderr3, tc)
138 {
139 atf_tc_set_md_var(tc, "descr", "See that faccessat fails with fd as -1");
140 }
ATF_TC_BODY(faccessat_fderr3,tc)141 ATF_TC_BODY(faccessat_fderr3, tc)
142 {
143 int fd;
144
145 ATF_REQUIRE(mkdir(DIR, 0755) == 0);
146 ATF_REQUIRE((fd = open(FILE, O_CREAT|O_RDWR, 0644)) != -1);
147 ATF_REQUIRE(close(fd) == 0);
148
149 ATF_REQUIRE(faccessat(-1, FILE, F_OK, 0) == -1);
150 }
151
152 ATF_TC(faccessat_fdlink);
ATF_TC_HEAD(faccessat_fdlink,tc)153 ATF_TC_HEAD(faccessat_fdlink, tc)
154 {
155 atf_tc_set_md_var(tc, "descr", "See that faccessat works on symlink");
156 }
ATF_TC_BODY(faccessat_fdlink,tc)157 ATF_TC_BODY(faccessat_fdlink, tc)
158 {
159 int dfd;
160
161 ATF_REQUIRE(mkdir(DIR, 0755) == 0);
162 ATF_REQUIRE(symlink(FILE, LINK) == 0); /* NB: FILE does not exists */
163
164 ATF_REQUIRE((dfd = open(DIR, O_RDONLY, 0)) != -1);
165
166 ATF_REQUIRE(faccessat(dfd, BASELINK, F_OK, 0) == -1);
167 ATF_REQUIRE(errno == ENOENT);
168
169 ATF_REQUIRE(faccessat(dfd, BASELINK, F_OK, AT_SYMLINK_NOFOLLOW) == 0);
170
171 ATF_REQUIRE(close(dfd) == 0);
172 }
173
ATF_TP_ADD_TCS(tp)174 ATF_TP_ADD_TCS(tp)
175 {
176
177 ATF_TP_ADD_TC(tp, faccessat_fd);
178 ATF_TP_ADD_TC(tp, faccessat_fdcwd);
179 ATF_TP_ADD_TC(tp, faccessat_fdcwderr);
180 ATF_TP_ADD_TC(tp, faccessat_fderr1);
181 ATF_TP_ADD_TC(tp, faccessat_fderr2);
182 ATF_TP_ADD_TC(tp, faccessat_fderr3);
183 ATF_TP_ADD_TC(tp, faccessat_fdlink);
184
185 return atf_no_error();
186 }
187