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