1 /* $NetBSD: t_fchownat.c,v 1.4 2017/01/10 15:13:56 christos Exp $ */
4 * Copyright (c) 2012 The NetBSD Foundation, Inc.
7 * This code is derived from software contributed to The NetBSD Foundation
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
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.
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.
31 #include <sys/cdefs.h>
32 __RCSID("$NetBSD: t_fchownat.c,v 1.4 2017/01/10 15:13:56 christos Exp $");
34 #include <sys/param.h>
47 #define FILE "dir/fchownat"
48 #define BASEFILE "fchownat"
49 #define LINK "dir/symlink"
50 #define BASELINK "symlink"
51 #define FILEERR "dir/fchownaterr"
54 static int getuser(uid_t *, gid_t *);
56 static int getuser(uid_t *uid, gid_t *gid)
60 if ((pw = getpwnam(USER)) == NULL)
70 ATF_TC_HEAD(fchownat_fd, tc)
72 atf_tc_set_md_var(tc, "descr", "See that fchownat works with fd");
73 atf_tc_set_md_var(tc, "require.user", "root");
75 ATF_TC_BODY(fchownat_fd, tc)
83 ATF_REQUIRE(getuser(&uid, &gid) == 0);
84 ATF_REQUIRE(mkdir(DIR, 0755) == 0);
85 ATF_REQUIRE((fd = open(FILE, O_CREAT|O_RDWR, 0644)) != -1);
86 ATF_REQUIRE(close(fd) == 0);
88 ATF_REQUIRE((dfd = open(DIR, O_RDONLY, 0)) != -1);
89 ATF_REQUIRE(fchownat(dfd, BASEFILE, uid, gid, 0) == 0);
90 ATF_REQUIRE(close(dfd) == 0);
92 ATF_REQUIRE(stat(FILE, &st) == 0);
93 ATF_REQUIRE(st.st_uid == uid);
94 ATF_REQUIRE(st.st_gid == gid);
97 ATF_TC(fchownat_fdcwd);
98 ATF_TC_HEAD(fchownat_fdcwd, tc)
100 atf_tc_set_md_var(tc, "descr",
101 "See that fchownat works with fd as AT_FDCWD");
102 atf_tc_set_md_var(tc, "require.user", "root");
104 ATF_TC_BODY(fchownat_fdcwd, tc)
111 ATF_REQUIRE(getuser(&uid, &gid) == 0);
112 ATF_REQUIRE(mkdir(DIR, 0755) == 0);
113 ATF_REQUIRE((fd = open(FILE, O_CREAT|O_RDWR, 0644)) != -1);
114 ATF_REQUIRE(close(fd) == 0);
116 ATF_REQUIRE(chdir(DIR) == 0);
117 ATF_REQUIRE(fchownat(AT_FDCWD, BASEFILE, uid, gid, 0) == 0);
119 ATF_REQUIRE(stat(BASEFILE, &st) == 0);
120 ATF_REQUIRE(st.st_uid == uid);
121 ATF_REQUIRE(st.st_gid == gid);
124 ATF_TC(fchownat_fdcwderr);
125 ATF_TC_HEAD(fchownat_fdcwderr, tc)
127 atf_tc_set_md_var(tc, "descr",
128 "See that fchownat fails with fd as AT_FDCWD and bad path");
129 atf_tc_set_md_var(tc, "require.user", "root");
131 ATF_TC_BODY(fchownat_fdcwderr, tc)
136 ATF_REQUIRE(getuser(&uid, &gid) == 0);
137 ATF_REQUIRE(mkdir(DIR, 0755) == 0);
138 ATF_REQUIRE(fchownat(AT_FDCWD, FILEERR, uid, gid, 0) == -1);
141 ATF_TC(fchownat_fderr1);
142 ATF_TC_HEAD(fchownat_fderr1, tc)
144 atf_tc_set_md_var(tc, "descr", "See that fchownat fail with bad path");
145 atf_tc_set_md_var(tc, "require.user", "root");
147 ATF_TC_BODY(fchownat_fderr1, tc)
153 ATF_REQUIRE(getuser(&uid, &gid) == 0);
154 ATF_REQUIRE(mkdir(DIR, 0755) == 0);
155 ATF_REQUIRE((dfd = open(DIR, O_RDONLY, 0)) != -1);
156 ATF_REQUIRE(fchownat(dfd, FILEERR, uid, gid, 0) == -1);
157 ATF_REQUIRE(close(dfd) == 0);
160 ATF_TC(fchownat_fderr2);
161 ATF_TC_HEAD(fchownat_fderr2, tc)
163 atf_tc_set_md_var(tc, "descr", "See that fchownat fails with bad fdat");
164 atf_tc_set_md_var(tc, "require.user", "root");
166 ATF_TC_BODY(fchownat_fderr2, tc)
170 char cwd[MAXPATHLEN];
174 ATF_REQUIRE(getuser(&uid, &gid) == 0);
175 ATF_REQUIRE(mkdir(DIR, 0755) == 0);
176 ATF_REQUIRE((fd = open(FILE, O_CREAT|O_RDWR, 0644)) != -1);
177 ATF_REQUIRE(close(fd) == 0);
179 ATF_REQUIRE((dfd = open(getcwd(cwd, MAXPATHLEN), O_RDONLY, 0)) != -1);
180 ATF_REQUIRE(fchownat(dfd, BASEFILE, uid, gid, 0) == -1);
181 ATF_REQUIRE(close(dfd) == 0);
184 ATF_TC(fchownat_fderr3);
185 ATF_TC_HEAD(fchownat_fderr3, tc)
187 atf_tc_set_md_var(tc, "descr", "See that fchownat fails with fd as -1");
188 atf_tc_set_md_var(tc, "require.user", "root");
190 ATF_TC_BODY(fchownat_fderr3, tc)
196 ATF_REQUIRE(getuser(&uid, &gid) == 0);
197 ATF_REQUIRE(mkdir(DIR, 0755) == 0);
198 ATF_REQUIRE((fd = open(FILE, O_CREAT|O_RDWR, 0644)) != -1);
199 ATF_REQUIRE(close(fd) == 0);
201 ATF_REQUIRE(fchownat(-1, FILE, uid, gid, 0) == -1);
204 ATF_TC(fchownat_fdlink);
205 ATF_TC_HEAD(fchownat_fdlink, tc)
207 atf_tc_set_md_var(tc, "descr", "See that fchownat works on symlink");
208 atf_tc_set_md_var(tc, "require.user", "root");
210 ATF_TC_BODY(fchownat_fdlink, tc)
217 ATF_REQUIRE(getuser(&uid, &gid) == 0);
218 ATF_REQUIRE(mkdir(DIR, 0755) == 0);
219 ATF_REQUIRE(symlink(FILE, LINK) == 0); /* Target does not exists */
221 ATF_REQUIRE((dfd = open(DIR, O_RDONLY, 0)) != -1);
223 ATF_REQUIRE(fchownat(dfd, BASELINK, uid, gid, 0) == -1);
224 ATF_REQUIRE(errno == ENOENT);
226 ATF_REQUIRE(fchownat(dfd, BASELINK, uid, gid,
227 AT_SYMLINK_NOFOLLOW) == 0);
229 ATF_REQUIRE(close(dfd) == 0);
231 ATF_REQUIRE(lstat(LINK, &st) == 0);
232 ATF_REQUIRE(st.st_uid == uid);
233 ATF_REQUIRE(st.st_gid == gid);
239 ATF_TP_ADD_TC(tp, fchownat_fd);
240 ATF_TP_ADD_TC(tp, fchownat_fdcwd);
241 ATF_TP_ADD_TC(tp, fchownat_fdcwderr);
242 ATF_TP_ADD_TC(tp, fchownat_fderr1);
243 ATF_TP_ADD_TC(tp, fchownat_fderr2);
244 ATF_TP_ADD_TC(tp, fchownat_fderr3);
245 ATF_TP_ADD_TC(tp, fchownat_fdlink);
247 return atf_no_error();