1 /* $NetBSD: t_access.c,v 1.1 2011/07/07 06:57:53 jruoho Exp $ */
2
3 /*-
4 * Copyright (c) 2011 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Jukka Ruohonen.
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_access.c,v 1.1 2011/07/07 06:57:53 jruoho Exp $");
33
34 #include <errno.h>
35 #include <fcntl.h>
36 #include <limits.h>
37 #include <stdint.h>
38 #include <stdlib.h>
39 #include <unistd.h>
40
41 #include <atf-c.h>
42
43 static const char path[] = "access";
44 static const int mode[4] = { R_OK, W_OK, X_OK, F_OK };
45
46 ATF_TC_WITH_CLEANUP(access_access);
ATF_TC_HEAD(access_access,tc)47 ATF_TC_HEAD(access_access, tc)
48 {
49 atf_tc_set_md_var(tc, "descr", "Test access(2) for EACCES");
50 atf_tc_set_md_var(tc, "require.user", "unprivileged");
51 }
52
ATF_TC_BODY(access_access,tc)53 ATF_TC_BODY(access_access, tc)
54 {
55 const int perm[3] = { 0200, 0400, 0000 };
56 size_t i;
57 int fd;
58
59 fd = open(path, O_RDONLY | O_CREAT);
60
61 if (fd < 0)
62 return;
63
64 for (i = 0; i < __arraycount(mode) - 1; i++) {
65
66 ATF_REQUIRE(fchmod(fd, perm[i]) == 0);
67
68 errno = 0;
69
70 ATF_REQUIRE(access(path, mode[i]) != 0);
71 ATF_REQUIRE(errno == EACCES);
72 }
73
74 ATF_REQUIRE(close(fd) == 0);
75 }
76
ATF_TC_CLEANUP(access_access,tc)77 ATF_TC_CLEANUP(access_access, tc)
78 {
79 (void)unlink(path);
80 }
81
82 ATF_TC(access_fault);
ATF_TC_HEAD(access_fault,tc)83 ATF_TC_HEAD(access_fault, tc)
84 {
85 atf_tc_set_md_var(tc, "descr", "Test access(2) for EFAULT");
86 }
87
ATF_TC_BODY(access_fault,tc)88 ATF_TC_BODY(access_fault, tc)
89 {
90 size_t i;
91
92 for (i = 0; i < __arraycount(mode); i++) {
93
94 errno = 0;
95
96 ATF_REQUIRE(access(NULL, mode[i]) != 0);
97 ATF_REQUIRE(errno == EFAULT);
98
99 errno = 0;
100
101 ATF_REQUIRE(access((char *)-1, mode[i]) != 0);
102 ATF_REQUIRE(errno == EFAULT);
103 }
104 }
105
106 ATF_TC(access_inval);
ATF_TC_HEAD(access_inval,tc)107 ATF_TC_HEAD(access_inval, tc)
108 {
109 atf_tc_set_md_var(tc, "descr", "Test access(2) for EINVAL");
110 }
111
ATF_TC_BODY(access_inval,tc)112 ATF_TC_BODY(access_inval, tc)
113 {
114
115 errno = 0;
116
117 ATF_REQUIRE(access("/usr", -1) != 0);
118 ATF_REQUIRE(errno == EINVAL);
119 }
120
121 ATF_TC(access_notdir);
ATF_TC_HEAD(access_notdir,tc)122 ATF_TC_HEAD(access_notdir, tc)
123 {
124 atf_tc_set_md_var(tc, "descr", "Test access(2) for ENOTDIR");
125 }
126
ATF_TC_BODY(access_notdir,tc)127 ATF_TC_BODY(access_notdir, tc)
128 {
129 size_t i;
130
131 for (i = 0; i < __arraycount(mode); i++) {
132
133 errno = 0;
134
135 /*
136 * IEEE Std 1003.1-2008 about ENOTDIR:
137 *
138 * "A component of the path prefix is not a directory,
139 * or the path argument contains at least one non-<slash>
140 * character and ends with one or more trailing <slash>
141 * characters and the last pathname component names an
142 * existing file that is neither a directory nor a symbolic
143 * link to a directory."
144 */
145 ATF_REQUIRE(access("/etc/passwd//", mode[i]) != 0);
146 ATF_REQUIRE(errno == ENOTDIR);
147 }
148 }
149
150 ATF_TC(access_notexist);
ATF_TC_HEAD(access_notexist,tc)151 ATF_TC_HEAD(access_notexist, tc)
152 {
153 atf_tc_set_md_var(tc, "descr", "Test access(2) for ENOENT");
154 }
155
ATF_TC_BODY(access_notexist,tc)156 ATF_TC_BODY(access_notexist, tc)
157 {
158 size_t i;
159
160 for (i = 0; i < __arraycount(mode); i++) {
161
162 errno = 0;
163
164 ATF_REQUIRE(access("", mode[i]) != 0);
165 ATF_REQUIRE(errno == ENOENT);
166 }
167 }
168
169 ATF_TC(access_toolong);
ATF_TC_HEAD(access_toolong,tc)170 ATF_TC_HEAD(access_toolong, tc)
171 {
172 atf_tc_set_md_var(tc, "descr", "Test access(2) for ENAMETOOLONG");
173 }
174
ATF_TC_BODY(access_toolong,tc)175 ATF_TC_BODY(access_toolong, tc)
176 {
177 char *buf;
178 size_t i;
179
180 buf = malloc(PATH_MAX);
181
182 if (buf == NULL)
183 return;
184
185 for (i = 0; i < PATH_MAX; i++)
186 buf[i] = 'x';
187
188 for (i = 0; i < __arraycount(mode); i++) {
189
190 errno = 0;
191
192 ATF_REQUIRE(access(buf, mode[i]) != 0);
193 ATF_REQUIRE(errno == ENAMETOOLONG);
194 }
195
196 free(buf);
197 }
198
ATF_TP_ADD_TCS(tp)199 ATF_TP_ADD_TCS(tp)
200 {
201
202 ATF_TP_ADD_TC(tp, access_access);
203 ATF_TP_ADD_TC(tp, access_fault);
204 ATF_TP_ADD_TC(tp, access_inval);
205 ATF_TP_ADD_TC(tp, access_notdir);
206 ATF_TP_ADD_TC(tp, access_notexist);
207 ATF_TP_ADD_TC(tp, access_toolong);
208
209 return atf_no_error();
210 }
211