t_fstatat.c revision 277443 
1/*	$NetBSD: t_fstatat.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_fstatat.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/fstatat"
49#define BASEFILE "fstatat"
50#define LINK "dir/symlink"
51#define BASELINK "symlink"
52#define FILEERR "dir/symlink"
53
54ATF_TC(fstatat_fd);
55ATF_TC_HEAD(fstatat_fd, tc)
56{
57	atf_tc_set_md_var(tc, "descr", "See that fstatat works with fd");
58}
59ATF_TC_BODY(fstatat_fd, tc)
60{
61	int dfd;
62	int fd;
63	struct stat st1, st2;
64
65	ATF_REQUIRE(mkdir(DIR, 0755) == 0);
66	ATF_REQUIRE((fd = open(FILE, O_CREAT|O_RDWR, 0644)) != -1);
67	ATF_REQUIRE(close(fd) == 0);
68
69	ATF_REQUIRE((dfd = open(DIR, O_RDONLY, 0)) != -1);
70	ATF_REQUIRE(fstatat(dfd, BASEFILE, &st1, 0) == 0);
71	ATF_REQUIRE(close(dfd) == 0);
72
73	ATF_REQUIRE(stat(FILE, &st2) == 0);
74	ATF_REQUIRE(memcmp(&st1, &st2, sizeof(st1)) == 0);
75}
76
77ATF_TC(fstatat_fdcwd);
78ATF_TC_HEAD(fstatat_fdcwd, tc)
79{
80	atf_tc_set_md_var(tc, "descr",
81			  "See that fstatat works with fd as AT_FDCWD");
82}
83ATF_TC_BODY(fstatat_fdcwd, tc)
84{
85	int fd;
86	struct stat st;
87
88	ATF_REQUIRE(mkdir(DIR, 0755) == 0);
89	ATF_REQUIRE((fd = open(FILE, O_CREAT|O_RDWR, 0644)) != -1);
90	ATF_REQUIRE(close(fd) == 0);
91
92	ATF_REQUIRE(chdir(DIR) == 0);
93	ATF_REQUIRE(fstatat(AT_FDCWD, BASEFILE, &st, 0) == 0);
94}
95
96ATF_TC(fstatat_fdcwderr);
97ATF_TC_HEAD(fstatat_fdcwderr, tc)
98{
99	atf_tc_set_md_var(tc, "descr",
100		  "See that fstatat fails with fd as AT_FDCWD and bad path");
101}
102ATF_TC_BODY(fstatat_fdcwderr, tc)
103{
104	struct stat st;
105
106	ATF_REQUIRE(mkdir(DIR, 0755) == 0);
107	ATF_REQUIRE(fstatat(AT_FDCWD, FILEERR, &st, 0) == -1);
108}
109
110ATF_TC(fstatat_fderr1);
111ATF_TC_HEAD(fstatat_fderr1, tc)
112{
113	atf_tc_set_md_var(tc, "descr", "See that fstatat fail with bad path");
114}
115ATF_TC_BODY(fstatat_fderr1, tc)
116{
117	int dfd;
118	struct stat st;
119
120	ATF_REQUIRE(mkdir(DIR, 0755) == 0);
121	ATF_REQUIRE((dfd = open(DIR, O_RDONLY, 0)) != -1);
122	ATF_REQUIRE(fstatat(dfd, FILEERR, &st, 0) == -1);
123	ATF_REQUIRE(close(dfd) == 0);
124}
125
126ATF_TC(fstatat_fderr2);
127ATF_TC_HEAD(fstatat_fderr2, tc)
128{
129	atf_tc_set_md_var(tc, "descr", "See that fstatat fails with bad fdat");
130}
131ATF_TC_BODY(fstatat_fderr2, tc)
132{
133	int dfd;
134	int fd;
135	char cwd[MAXPATHLEN];
136	struct stat st;
137
138	ATF_REQUIRE(mkdir(DIR, 0755) == 0);
139	ATF_REQUIRE((fd = open(FILE, O_CREAT|O_RDWR, 0644)) != -1);
140	ATF_REQUIRE(close(fd) == 0);
141
142	ATF_REQUIRE((dfd = open(getcwd(cwd, MAXPATHLEN), O_RDONLY, 0)) != -1);
143	ATF_REQUIRE(fstatat(dfd, BASEFILE, &st, 0) == -1);
144	ATF_REQUIRE(close(dfd) == 0);
145}
146
147ATF_TC(fstatat_fderr3);
148ATF_TC_HEAD(fstatat_fderr3, tc)
149{
150	atf_tc_set_md_var(tc, "descr", "See that fstatat fails with fd as -1");
151}
152ATF_TC_BODY(fstatat_fderr3, tc)
153{
154	int fd;
155	struct stat st;
156
157	ATF_REQUIRE(mkdir(DIR, 0755) == 0);
158	ATF_REQUIRE((fd = open(FILE, O_CREAT|O_RDWR, 0644)) != -1);
159	ATF_REQUIRE(close(fd) == 0);
160
161	ATF_REQUIRE(fstatat(-1, FILE, &st, 0) == -1);
162}
163
164ATF_TC(fstatat_fdlink);
165ATF_TC_HEAD(fstatat_fdlink, tc)
166{
167	atf_tc_set_md_var(tc, "descr", "See that fstatat works on symlink");
168}
169ATF_TC_BODY(fstatat_fdlink, tc)
170{
171	int dfd;
172	struct stat st;
173
174	ATF_REQUIRE(mkdir(DIR, 0755) == 0);
175	ATF_REQUIRE(symlink(FILE, LINK) == 0); /* target does not exists */
176
177	ATF_REQUIRE((dfd = open(DIR, O_RDONLY, 0)) != -1);
178
179	ATF_REQUIRE(fstatat(dfd, BASELINK, &st, 0) == -1);
180	ATF_REQUIRE(errno == ENOENT);
181
182	ATF_REQUIRE(fstatat(dfd, BASELINK, &st, AT_SYMLINK_NOFOLLOW) == 0);
183
184	ATF_REQUIRE(close(dfd) == 0);
185}
186
187ATF_TP_ADD_TCS(tp)
188{
189
190	ATF_TP_ADD_TC(tp, fstatat_fd);
191	ATF_TP_ADD_TC(tp, fstatat_fdcwd);
192	ATF_TP_ADD_TC(tp, fstatat_fdcwderr);
193	ATF_TP_ADD_TC(tp, fstatat_fderr1);
194	ATF_TP_ADD_TC(tp, fstatat_fderr2);
195	ATF_TP_ADD_TC(tp, fstatat_fderr3);
196	ATF_TP_ADD_TC(tp, fstatat_fdlink);
197
198	return atf_no_error();
199}
200