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
44 #define DIR "dir"
45 #define FILE "dir/fchmodat"
46 #define BASEFILE "fchmodat"
47 #define LINK "dir/symlink"
48 #define BASELINK "symlink"
49 #define FILEERR "dir/fchmodaterr"
50
51 ATF_TC(fchmodat_fd);
ATF_TC_HEAD(fchmodat_fd,tc)52 ATF_TC_HEAD(fchmodat_fd, tc)
53 {
54 atf_tc_set_md_var(tc, "descr", "See that fchmodat works with fd");
55 }
ATF_TC_BODY(fchmodat_fd,tc)56 ATF_TC_BODY(fchmodat_fd, tc)
57 {
58 int dfd;
59 int fd;
60 struct stat st;
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(fchmodat(dfd, BASEFILE, 0600, 0) == 0);
68 ATF_REQUIRE(close(dfd) == 0);
69
70 ATF_REQUIRE(stat(FILE, &st) == 0);
71 ATF_REQUIRE(st.st_mode = 0600);
72 }
73
74 ATF_TC(fchmodat_fdcwd);
ATF_TC_HEAD(fchmodat_fdcwd,tc)75 ATF_TC_HEAD(fchmodat_fdcwd, tc)
76 {
77 atf_tc_set_md_var(tc, "descr",
78 "See that fchmodat works with fd as AT_FDCWD");
79 }
ATF_TC_BODY(fchmodat_fdcwd,tc)80 ATF_TC_BODY(fchmodat_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(fchmodat(AT_FDCWD, BASEFILE, 0600, 0) == 0);
91
92 ATF_REQUIRE(stat(BASEFILE, &st) == 0);
93 ATF_REQUIRE(st.st_mode = 0600);
94 }
95
96 ATF_TC(fchmodat_fdcwderr);
ATF_TC_HEAD(fchmodat_fdcwderr,tc)97 ATF_TC_HEAD(fchmodat_fdcwderr, tc)
98 {
99 atf_tc_set_md_var(tc, "descr",
100 "See that fchmodat fails with fd as AT_FDCWD and bad path");
101 }
ATF_TC_BODY(fchmodat_fdcwderr,tc)102 ATF_TC_BODY(fchmodat_fdcwderr, tc)
103 {
104 ATF_REQUIRE(mkdir(DIR, 0755) == 0);
105 ATF_REQUIRE(fchmodat(AT_FDCWD, FILEERR, 0600, 0) == -1);
106 }
107
108 ATF_TC(fchmodat_fderr1);
ATF_TC_HEAD(fchmodat_fderr1,tc)109 ATF_TC_HEAD(fchmodat_fderr1, tc)
110 {
111 atf_tc_set_md_var(tc, "descr", "See that fchmodat fail with bad path");
112 }
ATF_TC_BODY(fchmodat_fderr1,tc)113 ATF_TC_BODY(fchmodat_fderr1, tc)
114 {
115 int dfd;
116
117 ATF_REQUIRE(mkdir(DIR, 0755) == 0);
118 ATF_REQUIRE((dfd = open(DIR, O_RDONLY, 0)) != -1);
119 ATF_REQUIRE(fchmodat(dfd, FILEERR, 0600, 0) == -1);
120 ATF_REQUIRE(close(dfd) == 0);
121 }
122
123 ATF_TC(fchmodat_fderr2);
ATF_TC_HEAD(fchmodat_fderr2,tc)124 ATF_TC_HEAD(fchmodat_fderr2, tc)
125 {
126 atf_tc_set_md_var(tc, "descr", "See that fchmodat fails with bad fdat");
127 }
ATF_TC_BODY(fchmodat_fderr2,tc)128 ATF_TC_BODY(fchmodat_fderr2, tc)
129 {
130 int dfd;
131 int fd;
132 char cwd[MAXPATHLEN];
133
134 ATF_REQUIRE(mkdir(DIR, 0755) == 0);
135 ATF_REQUIRE((fd = open(FILE, O_CREAT|O_RDWR, 0644)) != -1);
136 ATF_REQUIRE(close(fd) == 0);
137
138 ATF_REQUIRE((dfd = open(getcwd(cwd, MAXPATHLEN), O_RDONLY, 0)) != -1);
139 ATF_REQUIRE(fchmodat(dfd, BASEFILE, 0600, 0) == -1);
140 ATF_REQUIRE(close(dfd) == 0);
141 }
142
143 ATF_TC(fchmodat_fderr3);
ATF_TC_HEAD(fchmodat_fderr3,tc)144 ATF_TC_HEAD(fchmodat_fderr3, tc)
145 {
146 atf_tc_set_md_var(tc, "descr", "See that fchmodat fails with fd as -1");
147 }
ATF_TC_BODY(fchmodat_fderr3,tc)148 ATF_TC_BODY(fchmodat_fderr3, tc)
149 {
150 int fd;
151
152 ATF_REQUIRE(mkdir(DIR, 0755) == 0);
153 ATF_REQUIRE((fd = open(FILE, O_CREAT|O_RDWR, 0644)) != -1);
154 ATF_REQUIRE(close(fd) == 0);
155
156 ATF_REQUIRE(fchmodat(-1, FILE, 0600, 0) == -1);
157 }
158
159 ATF_TC(fchmodat_fdlink);
ATF_TC_HEAD(fchmodat_fdlink,tc)160 ATF_TC_HEAD(fchmodat_fdlink, tc)
161 {
162 atf_tc_set_md_var(tc, "descr", "See that fchmodat works on symlink");
163 }
ATF_TC_BODY(fchmodat_fdlink,tc)164 ATF_TC_BODY(fchmodat_fdlink, tc)
165 {
166 int dfdlink;
167 struct stat st;
168
169 ATF_REQUIRE(mkdir(DIR, 0755) == 0);
170 ATF_REQUIRE(symlink(FILE, LINK) == 0);
171
172 ATF_REQUIRE((dfdlink = open(DIR, O_RDONLY, 0)) != -1);
173
174 ATF_REQUIRE(fchmodat(dfdlink, BASELINK, 0600, 0) == -1);
175 ATF_REQUIRE(errno = ENOENT);
176
177 ATF_REQUIRE(fchmodat(dfdlink, BASELINK, 0600, AT_SYMLINK_NOFOLLOW) == 0);
178
179 ATF_REQUIRE(close(dfdlink) == 0);
180
181 ATF_REQUIRE(lstat(LINK, &st) == 0);
182 ATF_REQUIRE(st.st_mode = 0600);
183 }
184
ATF_TP_ADD_TCS(tp)185 ATF_TP_ADD_TCS(tp)
186 {
187
188 ATF_TP_ADD_TC(tp, fchmodat_fd);
189 ATF_TP_ADD_TC(tp, fchmodat_fdcwd);
190 ATF_TP_ADD_TC(tp, fchmodat_fdcwderr);
191 ATF_TP_ADD_TC(tp, fchmodat_fderr1);
192 ATF_TP_ADD_TC(tp, fchmodat_fderr2);
193 ATF_TP_ADD_TC(tp, fchmodat_fderr3);
194 ATF_TP_ADD_TC(tp, fchmodat_fdlink);
195
196 return atf_no_error();
197 }
198