t_fchmodat.c revision 277443 
1/*	$NetBSD: t_fchmodat.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_fchmodat.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/fchmodat"
49#define BASEFILE "fchmodat"
50#define LINK "dir/symlink"
51#define BASELINK "symlink"
52#define FILEERR "dir/fchmodaterr"
53
54ATF_TC(fchmodat_fd);
55ATF_TC_HEAD(fchmodat_fd, tc)
56{
57	atf_tc_set_md_var(tc, "descr", "See that fchmodat works with fd");
58}
59ATF_TC_BODY(fchmodat_fd, tc)
60{
61	int dfd;
62	int fd;
63	struct stat st;
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(fchmodat(dfd, BASEFILE, 0600, 0) == 0);
71	ATF_REQUIRE(close(dfd) == 0);
72
73	ATF_REQUIRE(stat(FILE, &st) == 0);
74	ATF_REQUIRE(st.st_mode = 0600);
75}
76
77ATF_TC(fchmodat_fdcwd);
78ATF_TC_HEAD(fchmodat_fdcwd, tc)
79{
80	atf_tc_set_md_var(tc, "descr",
81			  "See that fchmodat works with fd as AT_FDCWD");
82}
83ATF_TC_BODY(fchmodat_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(fchmodat(AT_FDCWD, BASEFILE, 0600, 0) == 0);
94
95	ATF_REQUIRE(stat(BASEFILE, &st) == 0);
96	ATF_REQUIRE(st.st_mode = 0600);
97}
98
99ATF_TC(fchmodat_fdcwderr);
100ATF_TC_HEAD(fchmodat_fdcwderr, tc)
101{
102	atf_tc_set_md_var(tc, "descr",
103		  "See that fchmodat fails with fd as AT_FDCWD and bad path");
104}
105ATF_TC_BODY(fchmodat_fdcwderr, tc)
106{
107	ATF_REQUIRE(mkdir(DIR, 0755) == 0);
108	ATF_REQUIRE(fchmodat(AT_FDCWD, FILEERR, 0600, 0) == -1);
109}
110
111ATF_TC(fchmodat_fderr1);
112ATF_TC_HEAD(fchmodat_fderr1, tc)
113{
114	atf_tc_set_md_var(tc, "descr", "See that fchmodat fail with bad path");
115}
116ATF_TC_BODY(fchmodat_fderr1, tc)
117{
118	int dfd;
119
120	ATF_REQUIRE(mkdir(DIR, 0755) == 0);
121	ATF_REQUIRE((dfd = open(DIR, O_RDONLY, 0)) != -1);
122	ATF_REQUIRE(fchmodat(dfd, FILEERR, 0600, 0) == -1);
123	ATF_REQUIRE(close(dfd) == 0);
124}
125
126ATF_TC(fchmodat_fderr2);
127ATF_TC_HEAD(fchmodat_fderr2, tc)
128{
129	atf_tc_set_md_var(tc, "descr", "See that fchmodat fails with bad fdat");
130}
131ATF_TC_BODY(fchmodat_fderr2, tc)
132{
133	int dfd;
134	int fd;
135	char cwd[MAXPATHLEN];
136
137	ATF_REQUIRE(mkdir(DIR, 0755) == 0);
138	ATF_REQUIRE((fd = open(FILE, O_CREAT|O_RDWR, 0644)) != -1);
139	ATF_REQUIRE(close(fd) == 0);
140
141	ATF_REQUIRE((dfd = open(getcwd(cwd, MAXPATHLEN), O_RDONLY, 0)) != -1);
142	ATF_REQUIRE(fchmodat(dfd, BASEFILE, 0600, 0) == -1);
143	ATF_REQUIRE(close(dfd) == 0);
144}
145
146ATF_TC(fchmodat_fderr3);
147ATF_TC_HEAD(fchmodat_fderr3, tc)
148{
149	atf_tc_set_md_var(tc, "descr", "See that fchmodat fails with fd as -1");
150}
151ATF_TC_BODY(fchmodat_fderr3, tc)
152{
153	int fd;
154
155	ATF_REQUIRE(mkdir(DIR, 0755) == 0);
156	ATF_REQUIRE((fd = open(FILE, O_CREAT|O_RDWR, 0644)) != -1);
157	ATF_REQUIRE(close(fd) == 0);
158
159	ATF_REQUIRE(fchmodat(-1, FILE, 0600, 0) == -1);
160}
161
162ATF_TC(fchmodat_fdlink);
163ATF_TC_HEAD(fchmodat_fdlink, tc)
164{
165	atf_tc_set_md_var(tc, "descr", "See that fchmodat works on symlink");
166}
167ATF_TC_BODY(fchmodat_fdlink, tc)
168{
169	int dfdlink;
170	struct stat st;
171
172	ATF_REQUIRE(mkdir(DIR, 0755) == 0);
173	ATF_REQUIRE(symlink(FILE, LINK) == 0);
174
175	ATF_REQUIRE((dfdlink = open(DIR, O_RDONLY, 0)) != -1);
176
177	ATF_REQUIRE(fchmodat(dfdlink, BASELINK, 0600, 0) == -1);
178	ATF_REQUIRE(errno = ENOENT);
179
180	ATF_REQUIRE(fchmodat(dfdlink, BASELINK, 0600, AT_SYMLINK_NOFOLLOW) == 0);
181
182	ATF_REQUIRE(close(dfdlink) == 0);
183
184	ATF_REQUIRE(lstat(LINK, &st) == 0);
185	ATF_REQUIRE(st.st_mode = 0600);
186}
187
188ATF_TP_ADD_TCS(tp)
189{
190
191	ATF_TP_ADD_TC(tp, fchmodat_fd);
192	ATF_TP_ADD_TC(tp, fchmodat_fdcwd);
193	ATF_TP_ADD_TC(tp, fchmodat_fdcwderr);
194	ATF_TP_ADD_TC(tp, fchmodat_fderr1);
195	ATF_TP_ADD_TC(tp, fchmodat_fderr2);
196	ATF_TP_ADD_TC(tp, fchmodat_fderr3);
197	ATF_TP_ADD_TC(tp, fchmodat_fdlink);
198
199	return atf_no_error();
200}
201