t_fchownat.c revision 1.1 1 1.1 manu /* $NetBSD: t_fchownat.c,v 1.1 2012/11/18 17:41:54 manu Exp $ */
2 1.1 manu
3 1.1 manu /*-
4 1.1 manu * Copyright (c) 2012 The NetBSD Foundation, Inc.
5 1.1 manu * All rights reserved.
6 1.1 manu *
7 1.1 manu * This code is derived from software contributed to The NetBSD Foundation
8 1.1 manu * by Emmanuel Dreyfus.
9 1.1 manu *
10 1.1 manu * Redistribution and use in source and binary forms, with or without
11 1.1 manu * modification, are permitted provided that the following conditions
12 1.1 manu * are met:
13 1.1 manu * 1. Redistributions of source code must retain the above copyright
14 1.1 manu * notice, this list of conditions and the following disclaimer.
15 1.1 manu * 2. Redistributions in binary form must reproduce the above copyright
16 1.1 manu * notice, this list of conditions and the following disclaimer in the
17 1.1 manu * documentation and/or other materials provided with the distribution.
18 1.1 manu *
19 1.1 manu * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 1.1 manu * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 1.1 manu * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 1.1 manu * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 1.1 manu * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 1.1 manu * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 1.1 manu * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 1.1 manu * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 1.1 manu * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 1.1 manu * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 1.1 manu * POSSIBILITY OF SUCH DAMAGE.
30 1.1 manu */
31 1.1 manu #include <sys/cdefs.h>
32 1.1 manu __RCSID("$NetBSD: t_fchownat.c,v 1.1 2012/11/18 17:41:54 manu Exp $");
33 1.1 manu
34 1.1 manu #include <atf-c.h>
35 1.1 manu #include <errno.h>
36 1.1 manu #include <fcntl.h>
37 1.1 manu #include <limits.h>
38 1.1 manu #include <paths.h>
39 1.1 manu #include <stdio.h>
40 1.1 manu #include <string.h>
41 1.1 manu #include <unistd.h>
42 1.1 manu #include <pwd.h>
43 1.1 manu #include <sys/param.h>
44 1.1 manu
45 1.1 manu #define DIR "dir"
46 1.1 manu #define FILE "dir/fchownat"
47 1.1 manu #define BASEFILE "fchownat"
48 1.1 manu #define LINK "dir/symlink"
49 1.1 manu #define BASELINK "symlink"
50 1.1 manu #define FILEERR "dir/fchownaterr"
51 1.1 manu #define USER "nobody"
52 1.1 manu
53 1.1 manu static int getuser(uid_t *, gid_t *);
54 1.1 manu
55 1.1 manu static int getuser(uid_t *uid, gid_t *gid)
56 1.1 manu {
57 1.1 manu struct passwd *pw;
58 1.1 manu
59 1.1 manu if ((pw = getpwnam(USER)) == NULL)
60 1.1 manu return -1;
61 1.1 manu
62 1.1 manu *uid = pw->pw_uid;
63 1.1 manu *gid = pw->pw_gid;
64 1.1 manu
65 1.1 manu return 0;
66 1.1 manu }
67 1.1 manu
68 1.1 manu ATF_TC_WITH_CLEANUP(fchownat_fd);
69 1.1 manu ATF_TC_HEAD(fchownat_fd, tc)
70 1.1 manu {
71 1.1 manu atf_tc_set_md_var(tc, "descr", "See that fchownat works with fd");
72 1.1 manu }
73 1.1 manu
74 1.1 manu ATF_TC_BODY(fchownat_fd, tc)
75 1.1 manu {
76 1.1 manu int dfd;
77 1.1 manu int fd;
78 1.1 manu uid_t uid;
79 1.1 manu gid_t gid;
80 1.1 manu struct stat st;
81 1.1 manu
82 1.1 manu ATF_REQUIRE(getuser(&uid, &gid) == 0);
83 1.1 manu ATF_REQUIRE(mkdir(DIR, 0755) == 0);
84 1.1 manu ATF_REQUIRE((fd = open(FILE, O_CREAT|O_RDWR, 0644)) != -1);
85 1.1 manu ATF_REQUIRE(close(fd) == 0);
86 1.1 manu
87 1.1 manu ATF_REQUIRE((dfd = open(DIR, O_RDONLY, 0)) != -1);
88 1.1 manu ATF_REQUIRE(fchownat(dfd, BASEFILE, uid, gid, 0) == 0);
89 1.1 manu ATF_REQUIRE(close(dfd) == 0);
90 1.1 manu
91 1.1 manu ATF_REQUIRE(stat(FILE, &st) == 0);
92 1.1 manu ATF_REQUIRE(st.st_uid == uid);
93 1.1 manu ATF_REQUIRE(st.st_gid == gid);
94 1.1 manu }
95 1.1 manu
96 1.1 manu ATF_TC_CLEANUP(fchownat_fd, tc)
97 1.1 manu {
98 1.1 manu (void)unlink(FILE);
99 1.1 manu (void)unlink(FILEERR);
100 1.1 manu (void)rmdir(DIR);
101 1.1 manu }
102 1.1 manu
103 1.1 manu ATF_TC_WITH_CLEANUP(fchownat_fdcwd);
104 1.1 manu ATF_TC_HEAD(fchownat_fdcwd, tc)
105 1.1 manu {
106 1.1 manu atf_tc_set_md_var(tc, "descr",
107 1.1 manu "See that fchownat works with fd as AT_FDCWD");
108 1.1 manu }
109 1.1 manu
110 1.1 manu ATF_TC_BODY(fchownat_fdcwd, tc)
111 1.1 manu {
112 1.1 manu int fd;
113 1.1 manu uid_t uid;
114 1.1 manu gid_t gid;
115 1.1 manu struct stat st;
116 1.1 manu
117 1.1 manu ATF_REQUIRE(getuser(&uid, &gid) == 0);
118 1.1 manu ATF_REQUIRE(mkdir(DIR, 0755) == 0);
119 1.1 manu ATF_REQUIRE((fd = open(FILE, O_CREAT|O_RDWR, 0644)) != -1);
120 1.1 manu ATF_REQUIRE(close(fd) == 0);
121 1.1 manu
122 1.1 manu ATF_REQUIRE(chdir(DIR) == 0);
123 1.1 manu ATF_REQUIRE(fchownat(AT_FDCWD, BASEFILE, uid, gid, 0) == 0);
124 1.1 manu
125 1.1 manu ATF_REQUIRE(stat(BASEFILE, &st) == 0);
126 1.1 manu ATF_REQUIRE(st.st_uid == uid);
127 1.1 manu ATF_REQUIRE(st.st_gid == gid);
128 1.1 manu }
129 1.1 manu
130 1.1 manu ATF_TC_CLEANUP(fchownat_fdcwd, tc)
131 1.1 manu {
132 1.1 manu (void)unlink(FILE);
133 1.1 manu (void)unlink(FILEERR);
134 1.1 manu (void)rmdir(DIR);
135 1.1 manu }
136 1.1 manu
137 1.1 manu ATF_TC_WITH_CLEANUP(fchownat_fdcwderr);
138 1.1 manu ATF_TC_HEAD(fchownat_fdcwderr, tc)
139 1.1 manu {
140 1.1 manu atf_tc_set_md_var(tc, "descr",
141 1.1 manu "See that fchownat fails with fd as AT_FDCWD and bad path");
142 1.1 manu }
143 1.1 manu
144 1.1 manu ATF_TC_BODY(fchownat_fdcwderr, tc)
145 1.1 manu {
146 1.1 manu uid_t uid;
147 1.1 manu gid_t gid;
148 1.1 manu
149 1.1 manu ATF_REQUIRE(getuser(&uid, &gid) == 0);
150 1.1 manu ATF_REQUIRE(mkdir(DIR, 0755) == 0);
151 1.1 manu ATF_REQUIRE(fchownat(AT_FDCWD, FILEERR, uid, gid, 0) == -1);
152 1.1 manu }
153 1.1 manu
154 1.1 manu ATF_TC_CLEANUP(fchownat_fdcwderr, tc)
155 1.1 manu {
156 1.1 manu (void)unlink(FILE);
157 1.1 manu (void)unlink(FILEERR);
158 1.1 manu (void)rmdir(DIR);
159 1.1 manu }
160 1.1 manu
161 1.1 manu ATF_TC_WITH_CLEANUP(fchownat_fderr1);
162 1.1 manu ATF_TC_HEAD(fchownat_fderr1, tc)
163 1.1 manu {
164 1.1 manu atf_tc_set_md_var(tc, "descr", "See that fchownat fail with bad path");
165 1.1 manu }
166 1.1 manu
167 1.1 manu ATF_TC_BODY(fchownat_fderr1, tc)
168 1.1 manu {
169 1.1 manu int dfd;
170 1.1 manu uid_t uid;
171 1.1 manu gid_t gid;
172 1.1 manu
173 1.1 manu ATF_REQUIRE(getuser(&uid, &gid) == 0);
174 1.1 manu ATF_REQUIRE(mkdir(DIR, 0755) == 0);
175 1.1 manu ATF_REQUIRE((dfd = open(DIR, O_RDONLY, 0)) != -1);
176 1.1 manu ATF_REQUIRE(fchownat(dfd, FILEERR, uid, gid, 0) == -1);
177 1.1 manu ATF_REQUIRE(close(dfd) == 0);
178 1.1 manu }
179 1.1 manu
180 1.1 manu ATF_TC_CLEANUP(fchownat_fderr1, tc)
181 1.1 manu {
182 1.1 manu (void)unlink(FILE);
183 1.1 manu (void)unlink(FILEERR);
184 1.1 manu (void)rmdir(DIR);
185 1.1 manu }
186 1.1 manu
187 1.1 manu ATF_TC_WITH_CLEANUP(fchownat_fderr2);
188 1.1 manu ATF_TC_HEAD(fchownat_fderr2, tc)
189 1.1 manu {
190 1.1 manu atf_tc_set_md_var(tc, "descr", "See that fchownat fails with bad fdat");
191 1.1 manu }
192 1.1 manu
193 1.1 manu ATF_TC_BODY(fchownat_fderr2, tc)
194 1.1 manu {
195 1.1 manu int dfd;
196 1.1 manu int fd;
197 1.1 manu char cwd[MAXPATHLEN];
198 1.1 manu uid_t uid;
199 1.1 manu gid_t gid;
200 1.1 manu
201 1.1 manu ATF_REQUIRE(getuser(&uid, &gid) == 0);
202 1.1 manu ATF_REQUIRE(mkdir(DIR, 0755) == 0);
203 1.1 manu ATF_REQUIRE((fd = open(FILE, O_CREAT|O_RDWR, 0644)) != -1);
204 1.1 manu ATF_REQUIRE(close(fd) == 0);
205 1.1 manu
206 1.1 manu ATF_REQUIRE((dfd = open(getcwd(cwd, MAXPATHLEN), O_RDONLY, 0)) != -1);
207 1.1 manu ATF_REQUIRE(fchownat(dfd, BASEFILE, uid, gid, 0) == -1);
208 1.1 manu ATF_REQUIRE(close(dfd) == 0);
209 1.1 manu }
210 1.1 manu
211 1.1 manu ATF_TC_CLEANUP(fchownat_fderr2, tc)
212 1.1 manu {
213 1.1 manu (void)unlink(FILE);
214 1.1 manu (void)unlink(FILEERR);
215 1.1 manu (void)rmdir(DIR);
216 1.1 manu }
217 1.1 manu
218 1.1 manu ATF_TC_WITH_CLEANUP(fchownat_fderr3);
219 1.1 manu ATF_TC_HEAD(fchownat_fderr3, tc)
220 1.1 manu {
221 1.1 manu atf_tc_set_md_var(tc, "descr", "See that fchownat fails with fd as -1");
222 1.1 manu }
223 1.1 manu
224 1.1 manu ATF_TC_BODY(fchownat_fderr3, tc)
225 1.1 manu {
226 1.1 manu int fd;
227 1.1 manu uid_t uid;
228 1.1 manu gid_t gid;
229 1.1 manu
230 1.1 manu ATF_REQUIRE(getuser(&uid, &gid) == 0);
231 1.1 manu ATF_REQUIRE(mkdir(DIR, 0755) == 0);
232 1.1 manu ATF_REQUIRE((fd = open(FILE, O_CREAT|O_RDWR, 0644)) != -1);
233 1.1 manu ATF_REQUIRE(close(fd) == 0);
234 1.1 manu
235 1.1 manu ATF_REQUIRE(fchownat(-1, FILE, uid, gid, 0) == -1);
236 1.1 manu }
237 1.1 manu
238 1.1 manu ATF_TC_CLEANUP(fchownat_fderr3, tc)
239 1.1 manu {
240 1.1 manu (void)unlink(FILE);
241 1.1 manu (void)unlink(FILEERR);
242 1.1 manu (void)rmdir(DIR);
243 1.1 manu }
244 1.1 manu
245 1.1 manu ATF_TC_WITH_CLEANUP(fchownat_fdlink);
246 1.1 manu ATF_TC_HEAD(fchownat_fdlink, tc)
247 1.1 manu {
248 1.1 manu atf_tc_set_md_var(tc, "descr", "See that fchownat works on symlink");
249 1.1 manu }
250 1.1 manu
251 1.1 manu ATF_TC_BODY(fchownat_fdlink, tc)
252 1.1 manu {
253 1.1 manu int dfd;
254 1.1 manu uid_t uid;
255 1.1 manu gid_t gid;
256 1.1 manu struct stat st;
257 1.1 manu
258 1.1 manu ATF_REQUIRE(getuser(&uid, &gid) == 0);
259 1.1 manu ATF_REQUIRE(mkdir(DIR, 0755) == 0);
260 1.1 manu ATF_REQUIRE(symlink(FILE, LINK) == 0); /* Target does not exists */
261 1.1 manu
262 1.1 manu ATF_REQUIRE((dfd = open(DIR, O_RDONLY, 0)) != -1);
263 1.1 manu
264 1.1 manu ATF_REQUIRE(fchownat(dfd, BASELINK, uid, gid, 0) == -1);
265 1.1 manu ATF_REQUIRE(errno == ENOENT);
266 1.1 manu
267 1.1 manu ATF_REQUIRE(fchownat(dfd, BASELINK, uid, gid,
268 1.1 manu AT_SYMLINK_NOFOLLOW) == 0);
269 1.1 manu
270 1.1 manu ATF_REQUIRE(close(dfd) == 0);
271 1.1 manu
272 1.1 manu ATF_REQUIRE(lstat(LINK, &st) == 0);
273 1.1 manu ATF_REQUIRE(st.st_uid == uid);
274 1.1 manu ATF_REQUIRE(st.st_gid == gid);
275 1.1 manu }
276 1.1 manu
277 1.1 manu ATF_TC_CLEANUP(fchownat_fdlink, tc)
278 1.1 manu {
279 1.1 manu (void)unlink(LINK);
280 1.1 manu (void)rmdir(DIR);
281 1.1 manu }
282 1.1 manu
283 1.1 manu ATF_TP_ADD_TCS(tp)
284 1.1 manu {
285 1.1 manu
286 1.1 manu ATF_TP_ADD_TC(tp, fchownat_fd);
287 1.1 manu ATF_TP_ADD_TC(tp, fchownat_fdcwd);
288 1.1 manu ATF_TP_ADD_TC(tp, fchownat_fdcwderr);
289 1.1 manu ATF_TP_ADD_TC(tp, fchownat_fderr1);
290 1.1 manu ATF_TP_ADD_TC(tp, fchownat_fderr2);
291 1.1 manu ATF_TP_ADD_TC(tp, fchownat_fderr3);
292 1.1 manu ATF_TP_ADD_TC(tp, fchownat_fdlink);
293 1.1 manu
294 1.1 manu return atf_no_error();
295 1.1 manu }
296