1 /* $NetBSD: t_fchmodat.c,v 1.3 2017/01/10 15:13:56 christos 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 1.3 2017/01/10 15:13:56 christos Exp $");
33
34 #include <sys/param.h>
35 #include <sys/stat.h>
36 #include <atf-c.h>
37 #include <errno.h>
38 #include <fcntl.h>
39 #include <limits.h>
40 #include <paths.h>
41 #include <stdio.h>
42 #include <string.h>
43 #include <unistd.h>
44
45 #define DIR "dir"
46 #define FILE "dir/fchmodat"
47 #define BASEFILE "fchmodat"
48 #define LINK "dir/symlink"
49 #define BASELINK "symlink"
50 #define FILEERR "dir/fchmodaterr"
51
52 ATF_TC(fchmodat_fd);
ATF_TC_HEAD(fchmodat_fd,tc)53 ATF_TC_HEAD(fchmodat_fd, tc)
54 {
55 atf_tc_set_md_var(tc, "descr", "See that fchmodat works with fd");
56 }
ATF_TC_BODY(fchmodat_fd,tc)57 ATF_TC_BODY(fchmodat_fd, tc)
58 {
59 int dfd;
60 int fd;
61 struct stat st;
62
63 ATF_REQUIRE(mkdir(DIR, 0755) == 0);
64 ATF_REQUIRE((fd = open(FILE, O_CREAT|O_RDWR, 0644)) != -1);
65 ATF_REQUIRE(close(fd) == 0);
66
67 ATF_REQUIRE((dfd = open(DIR, O_RDONLY, 0)) != -1);
68 ATF_REQUIRE(fchmodat(dfd, BASEFILE, 0600, 0) == 0);
69 ATF_REQUIRE(close(dfd) == 0);
70
71 ATF_REQUIRE(stat(FILE, &st) == 0);
72 ATF_REQUIRE(st.st_mode = 0600);
73 }
74
75 ATF_TC(fchmodat_fdcwd);
ATF_TC_HEAD(fchmodat_fdcwd,tc)76 ATF_TC_HEAD(fchmodat_fdcwd, tc)
77 {
78 atf_tc_set_md_var(tc, "descr",
79 "See that fchmodat works with fd as AT_FDCWD");
80 }
ATF_TC_BODY(fchmodat_fdcwd,tc)81 ATF_TC_BODY(fchmodat_fdcwd, tc)
82 {
83 int fd;
84 struct stat st;
85
86 ATF_REQUIRE(mkdir(DIR, 0755) == 0);
87 ATF_REQUIRE((fd = open(FILE, O_CREAT|O_RDWR, 0644)) != -1);
88 ATF_REQUIRE(close(fd) == 0);
89
90 ATF_REQUIRE(chdir(DIR) == 0);
91 ATF_REQUIRE(fchmodat(AT_FDCWD, BASEFILE, 0600, 0) == 0);
92
93 ATF_REQUIRE(stat(BASEFILE, &st) == 0);
94 ATF_REQUIRE(st.st_mode = 0600);
95 }
96
97 ATF_TC(fchmodat_fdcwderr);
ATF_TC_HEAD(fchmodat_fdcwderr,tc)98 ATF_TC_HEAD(fchmodat_fdcwderr, tc)
99 {
100 atf_tc_set_md_var(tc, "descr",
101 "See that fchmodat fails with fd as AT_FDCWD and bad path");
102 }
ATF_TC_BODY(fchmodat_fdcwderr,tc)103 ATF_TC_BODY(fchmodat_fdcwderr, tc)
104 {
105 ATF_REQUIRE(mkdir(DIR, 0755) == 0);
106 ATF_REQUIRE(fchmodat(AT_FDCWD, FILEERR, 0600, 0) == -1);
107 }
108
109 ATF_TC(fchmodat_fderr1);
ATF_TC_HEAD(fchmodat_fderr1,tc)110 ATF_TC_HEAD(fchmodat_fderr1, tc)
111 {
112 atf_tc_set_md_var(tc, "descr", "See that fchmodat fail with bad path");
113 }
ATF_TC_BODY(fchmodat_fderr1,tc)114 ATF_TC_BODY(fchmodat_fderr1, tc)
115 {
116 int dfd;
117
118 ATF_REQUIRE(mkdir(DIR, 0755) == 0);
119 ATF_REQUIRE((dfd = open(DIR, O_RDONLY, 0)) != -1);
120 ATF_REQUIRE(fchmodat(dfd, FILEERR, 0600, 0) == -1);
121 ATF_REQUIRE(close(dfd) == 0);
122 }
123
124 ATF_TC(fchmodat_fderr2);
ATF_TC_HEAD(fchmodat_fderr2,tc)125 ATF_TC_HEAD(fchmodat_fderr2, tc)
126 {
127 atf_tc_set_md_var(tc, "descr", "See that fchmodat fails with bad fdat");
128 }
ATF_TC_BODY(fchmodat_fderr2,tc)129 ATF_TC_BODY(fchmodat_fderr2, tc)
130 {
131 int dfd;
132 int fd;
133 char cwd[MAXPATHLEN];
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(fchmodat(dfd, BASEFILE, 0600, 0) == -1);
141 ATF_REQUIRE(close(dfd) == 0);
142 }
143
144 ATF_TC(fchmodat_fderr3);
ATF_TC_HEAD(fchmodat_fderr3,tc)145 ATF_TC_HEAD(fchmodat_fderr3, tc)
146 {
147 atf_tc_set_md_var(tc, "descr", "See that fchmodat fails with fd as -1");
148 }
ATF_TC_BODY(fchmodat_fderr3,tc)149 ATF_TC_BODY(fchmodat_fderr3, tc)
150 {
151 int fd;
152
153 ATF_REQUIRE(mkdir(DIR, 0755) == 0);
154 ATF_REQUIRE((fd = open(FILE, O_CREAT|O_RDWR, 0644)) != -1);
155 ATF_REQUIRE(close(fd) == 0);
156
157 ATF_REQUIRE(fchmodat(-1, FILE, 0600, 0) == -1);
158 }
159
160 ATF_TC(fchmodat_fdlink);
ATF_TC_HEAD(fchmodat_fdlink,tc)161 ATF_TC_HEAD(fchmodat_fdlink, tc)
162 {
163 atf_tc_set_md_var(tc, "descr", "See that fchmodat works on symlink");
164 }
ATF_TC_BODY(fchmodat_fdlink,tc)165 ATF_TC_BODY(fchmodat_fdlink, tc)
166 {
167 int dfdlink;
168 struct stat st;
169
170 ATF_REQUIRE(mkdir(DIR, 0755) == 0);
171 ATF_REQUIRE(symlink(FILE, LINK) == 0);
172
173 ATF_REQUIRE((dfdlink = open(DIR, O_RDONLY, 0)) != -1);
174
175 ATF_REQUIRE(fchmodat(dfdlink, BASELINK, 0600, 0) == -1);
176 ATF_REQUIRE(errno = ENOENT);
177
178 ATF_REQUIRE(fchmodat(dfdlink, BASELINK, 0600, AT_SYMLINK_NOFOLLOW) == 0);
179
180 ATF_REQUIRE(close(dfdlink) == 0);
181
182 ATF_REQUIRE(lstat(LINK, &st) == 0);
183 ATF_REQUIRE(st.st_mode = 0600);
184 }
185
ATF_TP_ADD_TCS(tp)186 ATF_TP_ADD_TCS(tp)
187 {
188
189 ATF_TP_ADD_TC(tp, fchmodat_fd);
190 ATF_TP_ADD_TC(tp, fchmodat_fdcwd);
191 ATF_TP_ADD_TC(tp, fchmodat_fdcwderr);
192 ATF_TP_ADD_TC(tp, fchmodat_fderr1);
193 ATF_TP_ADD_TC(tp, fchmodat_fderr2);
194 ATF_TP_ADD_TC(tp, fchmodat_fderr3);
195 ATF_TP_ADD_TC(tp, fchmodat_fdlink);
196
197 return atf_no_error();
198 }
199