t_faccessat.c revision 277443 
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
51ATF_TC(faccessat_fd);
52ATF_TC_HEAD(faccessat_fd, tc)
53{
54	atf_tc_set_md_var(tc, "descr", "See that faccessat works with fd");
55}
56ATF_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
70ATF_TC(faccessat_fdcwd);
71ATF_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}
76ATF_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
88ATF_TC(faccessat_fdcwderr);
89ATF_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}
94ATF_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
100ATF_TC(faccessat_fderr1);
101ATF_TC_HEAD(faccessat_fderr1, tc)
102{
103	atf_tc_set_md_var(tc, "descr", "See that faccessat fail with bad path");
104}
105ATF_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
115ATF_TC(faccessat_fderr2);
116ATF_TC_HEAD(faccessat_fderr2, tc)
117{
118	atf_tc_set_md_var(tc, "descr", "See that faccessat fails with bad fdat");
119}
120ATF_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
135ATF_TC(faccessat_fderr3);
136ATF_TC_HEAD(faccessat_fderr3, tc)
137{
138	atf_tc_set_md_var(tc, "descr", "See that faccessat fails with fd as -1");
139}
140ATF_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
151ATF_TC(faccessat_fdlink);
152ATF_TC_HEAD(faccessat_fdlink, tc)
153{
154	atf_tc_set_md_var(tc, "descr", "See that faccessat works on symlink");
155}
156ATF_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
176ATF_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