]>
git.ipfire.org Git - thirdparty/systemd.git/blob - src/test/test-path-util.c
2 This file is part of systemd.
4 Copyright 2013 Zbigniew Jędrzejewski-Szmek
6 systemd is free software; you can redistribute it and/or modify it
7 under the terms of the GNU Lesser General Public License as published by
8 the Free Software Foundation; either version 2.1 of the License, or
9 (at your option) any later version.
11 systemd is distributed in the hope that it will be useful, but
12 WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 Lesser General Public License for more details.
16 You should have received a copy of the GNU Lesser General Public License
17 along with systemd; If not, see <http://www.gnu.org/licenses/>.
21 #include <sys/mount.h>
24 #include "alloc-util.h"
27 #include "mount-util.h"
28 #include "path-util.h"
30 #include "string-util.h"
34 #define test_path_compare(a, b, result) { \
35 assert_se(path_compare(a, b) == result); \
36 assert_se(path_compare(b, a) == -result); \
37 assert_se(path_equal(a, b) == !result); \
38 assert_se(path_equal(b, a) == !result); \
41 static void test_path(void) {
42 _cleanup_close_
int fd
= -1;
44 test_path_compare("/goo", "/goo", 0);
45 test_path_compare("/goo", "/goo", 0);
46 test_path_compare("//goo", "/goo", 0);
47 test_path_compare("//goo/////", "/goo", 0);
48 test_path_compare("goo/////", "goo", 0);
50 test_path_compare("/goo/boo", "/goo//boo", 0);
51 test_path_compare("//goo/boo", "/goo/boo//", 0);
53 test_path_compare("/", "///", 0);
55 test_path_compare("/x", "x/", 1);
56 test_path_compare("x/", "/", -1);
58 test_path_compare("/x/./y", "x/y", 1);
59 test_path_compare("x/.y", "x/y", -1);
61 test_path_compare("foo", "/foo", -1);
62 test_path_compare("/foo", "/foo/bar", -1);
63 test_path_compare("/foo/aaa", "/foo/b", -1);
64 test_path_compare("/foo/aaa", "/foo/b/a", -1);
65 test_path_compare("/foo/a", "/foo/aaa", -1);
66 test_path_compare("/foo/a/b", "/foo/aaa", -1);
68 assert_se(path_is_absolute("/"));
69 assert_se(!path_is_absolute("./"));
71 assert_se(is_path("/dir"));
72 assert_se(is_path("a/b"));
73 assert_se(!is_path("."));
75 assert_se(streq(basename("./aa/bb/../file.da."), "file.da."));
76 assert_se(streq(basename("/aa///.file"), ".file"));
77 assert_se(streq(basename("/aa///file..."), "file..."));
78 assert_se(streq(basename("file.../"), ""));
80 fd
= open("/", O_RDONLY
|O_CLOEXEC
|O_DIRECTORY
|O_NOCTTY
);
82 assert_se(fd_is_mount_point(fd
, "/", 0) > 0);
85 char p1
[] = "aaa/bbb////ccc";
86 char p2
[] = "//aaa/.////ccc";
89 assert_se(path_equal(path_kill_slashes(p1
), "aaa/bbb/ccc"));
90 assert_se(path_equal(path_kill_slashes(p2
), "/aaa/./ccc"));
91 assert_se(path_equal(path_kill_slashes(p3
), "/./"));
94 assert_se(PATH_IN_SET("/bin", "/", "/bin", "/foo"));
95 assert_se(PATH_IN_SET("/bin", "/bin"));
96 assert_se(PATH_IN_SET("/bin", "/foo/bar", "/bin"));
97 assert_se(PATH_IN_SET("/", "/", "/", "/foo/bar"));
98 assert_se(!PATH_IN_SET("/", "/abc", "/def"));
100 assert_se(path_equal_ptr(NULL
, NULL
));
101 assert_se(path_equal_ptr("/a", "/a"));
102 assert_se(!path_equal_ptr("/a", "/b"));
103 assert_se(!path_equal_ptr("/a", NULL
));
104 assert_se(!path_equal_ptr(NULL
, "/a"));
107 static void test_find_binary(const char *self
) {
110 assert_se(find_binary("/bin/sh", &p
) == 0);
112 assert_se(path_equal(p
, "/bin/sh"));
115 assert_se(find_binary(self
, &p
) == 0);
117 /* libtool might prefix the binary name with "lt-" */
118 assert_se(endswith(p
, "/lt-test-path-util") || endswith(p
, "/test-path-util"));
119 assert_se(path_is_absolute(p
));
122 assert_se(find_binary("sh", &p
) == 0);
124 assert_se(endswith(p
, "/sh"));
125 assert_se(path_is_absolute(p
));
128 assert_se(find_binary("xxxx-xxxx", &p
) == -ENOENT
);
129 assert_se(find_binary("/some/dir/xxxx-xxxx", &p
) == -ENOENT
);
132 static void test_prefixes(void) {
133 static const char* values
[] = { "/a/b/c/d", "/a/b/c", "/a/b", "/a", "", NULL
};
139 PATH_FOREACH_PREFIX_MORE(s
, "/a/b/c/d") {
140 log_error("---%s---", s
);
141 assert_se(streq(s
, values
[i
++]));
143 assert_se(values
[i
] == NULL
);
146 PATH_FOREACH_PREFIX(s
, "/a/b/c/d") {
147 log_error("---%s---", s
);
148 assert_se(streq(s
, values
[i
++]));
150 assert_se(values
[i
] == NULL
);
153 PATH_FOREACH_PREFIX_MORE(s
, "////a////b////c///d///////")
154 assert_se(streq(s
, values
[i
++]));
155 assert_se(values
[i
] == NULL
);
158 PATH_FOREACH_PREFIX(s
, "////a////b////c///d///////")
159 assert_se(streq(s
, values
[i
++]));
160 assert_se(values
[i
] == NULL
);
162 PATH_FOREACH_PREFIX(s
, "////")
163 assert_not_reached("Wut?");
166 PATH_FOREACH_PREFIX_MORE(s
, "////") {
168 assert_se(streq(s
, ""));
173 PATH_FOREACH_PREFIX(s
, "")
174 assert_not_reached("wut?");
177 PATH_FOREACH_PREFIX_MORE(s
, "") {
179 assert_se(streq(s
, ""));
184 static void test_path_join(void) {
186 #define test_join(root, path, rest, expected) { \
187 _cleanup_free_ char *z = NULL; \
188 z = path_join(root, path, rest); \
189 assert_se(streq(z, expected)); \
192 test_join("/root", "/a/b", "/c", "/root/a/b/c");
193 test_join("/root", "a/b", "c", "/root/a/b/c");
194 test_join("/root", "/a/b", "c", "/root/a/b/c");
195 test_join("/root", "/", "c", "/root/c");
196 test_join("/root", "/", NULL
, "/root/");
198 test_join(NULL
, "/a/b", "/c", "/a/b/c");
199 test_join(NULL
, "a/b", "c", "a/b/c");
200 test_join(NULL
, "/a/b", "c", "/a/b/c");
201 test_join(NULL
, "/", "c", "/c");
202 test_join(NULL
, "/", NULL
, "/");
205 static void test_fsck_exists(void) {
206 /* Ensure we use a sane default for PATH. */
209 /* fsck.minix is provided by util-linux and will probably exist. */
210 assert_se(fsck_exists("minix") == 1);
212 assert_se(fsck_exists("AbCdE") == 0);
213 assert_se(fsck_exists("/../bin/") == 0);
216 static void test_make_relative(void) {
219 assert_se(path_make_relative("some/relative/path", "/some/path", &result
) < 0);
220 assert_se(path_make_relative("/some/path", "some/relative/path", &result
) < 0);
222 #define test(from_dir, to_path, expected) { \
223 _cleanup_free_ char *z = NULL; \
224 path_make_relative(from_dir, to_path, &z); \
225 assert_se(streq(z, expected)); \
229 test("/", "/some/path", "some/path");
230 test("/some/path", "/some/path", ".");
231 test("/some/path", "/some/path/in/subdir", "in/subdir");
232 test("/some/path", "/", "../..");
233 test("/some/path", "/some/other/path", "../other/path");
234 test("//extra/////slashes///won't////fool///anybody//", "////extra///slashes////are/just///fine///", "../../../are/just/fine");
237 static void test_strv_resolve(void) {
238 char tmp_dir
[] = "/tmp/test-path-util-XXXXXX";
239 _cleanup_strv_free_
char **search_dirs
= NULL
;
240 _cleanup_strv_free_
char **absolute_dirs
= NULL
;
243 assert_se(mkdtemp(tmp_dir
) != NULL
);
245 search_dirs
= strv_new("/dir1", "/dir2", "/dir3", NULL
);
246 assert_se(search_dirs
);
247 STRV_FOREACH(d
, search_dirs
) {
248 char *p
= strappend(tmp_dir
, *d
);
250 assert_se(strv_push(&absolute_dirs
, p
) == 0);
253 assert_se(mkdir(absolute_dirs
[0], 0700) == 0);
254 assert_se(mkdir(absolute_dirs
[1], 0700) == 0);
255 assert_se(symlink("dir2", absolute_dirs
[2]) == 0);
257 path_strv_resolve(search_dirs
, tmp_dir
);
258 assert_se(streq(search_dirs
[0], "/dir1"));
259 assert_se(streq(search_dirs
[1], "/dir2"));
260 assert_se(streq(search_dirs
[2], "/dir2"));
262 assert_se(rm_rf(tmp_dir
, REMOVE_ROOT
|REMOVE_PHYSICAL
) == 0);
265 static void test_path_startswith(void) {
266 assert_se(path_startswith("/foo/bar/barfoo/", "/foo"));
267 assert_se(path_startswith("/foo/bar/barfoo/", "/foo/"));
268 assert_se(path_startswith("/foo/bar/barfoo/", "/"));
269 assert_se(path_startswith("/foo/bar/barfoo/", "////"));
270 assert_se(path_startswith("/foo/bar/barfoo/", "/foo//bar/////barfoo///"));
271 assert_se(path_startswith("/foo/bar/barfoo/", "/foo/bar/barfoo////"));
272 assert_se(path_startswith("/foo/bar/barfoo/", "/foo/bar///barfoo/"));
273 assert_se(path_startswith("/foo/bar/barfoo/", "/foo////bar/barfoo/"));
274 assert_se(path_startswith("/foo/bar/barfoo/", "////foo/bar/barfoo/"));
275 assert_se(path_startswith("/foo/bar/barfoo/", "/foo/bar/barfoo"));
277 assert_se(!path_startswith("/foo/bar/barfoo/", "/foo/bar/barfooa/"));
278 assert_se(!path_startswith("/foo/bar/barfoo/", "/foo/bar/barfooa"));
279 assert_se(!path_startswith("/foo/bar/barfoo/", ""));
280 assert_se(!path_startswith("/foo/bar/barfoo/", "/bar/foo"));
281 assert_se(!path_startswith("/foo/bar/barfoo/", "/f/b/b/"));
284 static void test_prefix_root_one(const char *r
, const char *p
, const char *expected
) {
285 _cleanup_free_
char *s
= NULL
;
288 assert_se(s
= prefix_root(r
, p
));
289 assert_se(streq_ptr(s
, expected
));
291 t
= prefix_roota(r
, p
);
293 assert_se(streq_ptr(t
, expected
));
296 static void test_prefix_root(void) {
297 test_prefix_root_one("/", "/foo", "/foo");
298 test_prefix_root_one(NULL
, "/foo", "/foo");
299 test_prefix_root_one("", "/foo", "/foo");
300 test_prefix_root_one("///", "/foo", "/foo");
301 test_prefix_root_one("/", "////foo", "/foo");
302 test_prefix_root_one(NULL
, "////foo", "/foo");
304 test_prefix_root_one("/foo", "/bar", "/foo/bar");
305 test_prefix_root_one("/foo", "bar", "/foo/bar");
306 test_prefix_root_one("foo", "bar", "foo/bar");
307 test_prefix_root_one("/foo/", "/bar", "/foo/bar");
308 test_prefix_root_one("/foo/", "//bar", "/foo/bar");
309 test_prefix_root_one("/foo///", "//bar", "/foo/bar");
312 static void test_path_is_mount_point(void) {
314 char tmp_dir
[] = "/tmp/test-path-is-mount-point-XXXXXX";
315 _cleanup_free_
char *file1
= NULL
, *file2
= NULL
, *link1
= NULL
, *link2
= NULL
;
316 _cleanup_free_
char *dir1
= NULL
, *dir1file
= NULL
, *dirlink1
= NULL
, *dirlink1file
= NULL
;
317 _cleanup_free_
char *dir2
= NULL
, *dir2file
= NULL
;
319 assert_se(path_is_mount_point("/", AT_SYMLINK_FOLLOW
) > 0);
320 assert_se(path_is_mount_point("/", 0) > 0);
322 assert_se(path_is_mount_point("/proc", AT_SYMLINK_FOLLOW
) > 0);
323 assert_se(path_is_mount_point("/proc", 0) > 0);
325 assert_se(path_is_mount_point("/proc/1", AT_SYMLINK_FOLLOW
) == 0);
326 assert_se(path_is_mount_point("/proc/1", 0) == 0);
328 assert_se(path_is_mount_point("/sys", AT_SYMLINK_FOLLOW
) > 0);
329 assert_se(path_is_mount_point("/sys", 0) > 0);
331 /* we'll create a hierarchy of different kinds of dir/file/link
334 * <tmp>/file1, <tmp>/file2
335 * <tmp>/link1 -> file1, <tmp>/link2 -> file2
338 * <tmp>/dirlink1 -> dir1
339 * <tmp>/dirlink1file -> dirlink1/file
344 /* file mountpoints */
345 assert_se(mkdtemp(tmp_dir
) != NULL
);
346 file1
= path_join(NULL
, tmp_dir
, "file1");
348 file2
= path_join(NULL
, tmp_dir
, "file2");
350 fd
= open(file1
, O_WRONLY
|O_CREAT
|O_EXCL
|O_CLOEXEC
, 0664);
353 fd
= open(file2
, O_WRONLY
|O_CREAT
|O_EXCL
|O_CLOEXEC
, 0664);
356 link1
= path_join(NULL
, tmp_dir
, "link1");
358 assert_se(symlink("file1", link1
) == 0);
359 link2
= path_join(NULL
, tmp_dir
, "link2");
361 assert_se(symlink("file2", link2
) == 0);
363 assert_se(path_is_mount_point(file1
, AT_SYMLINK_FOLLOW
) == 0);
364 assert_se(path_is_mount_point(file1
, 0) == 0);
365 assert_se(path_is_mount_point(link1
, AT_SYMLINK_FOLLOW
) == 0);
366 assert_se(path_is_mount_point(link1
, 0) == 0);
368 /* directory mountpoints */
369 dir1
= path_join(NULL
, tmp_dir
, "dir1");
371 assert_se(mkdir(dir1
, 0755) == 0);
372 dirlink1
= path_join(NULL
, tmp_dir
, "dirlink1");
374 assert_se(symlink("dir1", dirlink1
) == 0);
375 dirlink1file
= path_join(NULL
, tmp_dir
, "dirlink1file");
376 assert_se(dirlink1file
);
377 assert_se(symlink("dirlink1/file", dirlink1file
) == 0);
378 dir2
= path_join(NULL
, tmp_dir
, "dir2");
380 assert_se(mkdir(dir2
, 0755) == 0);
382 assert_se(path_is_mount_point(dir1
, AT_SYMLINK_FOLLOW
) == 0);
383 assert_se(path_is_mount_point(dir1
, 0) == 0);
384 assert_se(path_is_mount_point(dirlink1
, AT_SYMLINK_FOLLOW
) == 0);
385 assert_se(path_is_mount_point(dirlink1
, 0) == 0);
387 /* file in subdirectory mountpoints */
388 dir1file
= path_join(NULL
, dir1
, "file");
390 fd
= open(dir1file
, O_WRONLY
|O_CREAT
|O_EXCL
|O_CLOEXEC
, 0664);
394 assert_se(path_is_mount_point(dir1file
, AT_SYMLINK_FOLLOW
) == 0);
395 assert_se(path_is_mount_point(dir1file
, 0) == 0);
396 assert_se(path_is_mount_point(dirlink1file
, AT_SYMLINK_FOLLOW
) == 0);
397 assert_se(path_is_mount_point(dirlink1file
, 0) == 0);
399 /* these tests will only work as root */
400 if (mount(file1
, file2
, NULL
, MS_BIND
, NULL
) >= 0) {
401 int rt
, rf
, rlt
, rlf
, rl1t
, rl1f
;
404 /* capture results in vars, to avoid dangling mounts on failure */
405 rf
= path_is_mount_point(file2
, 0);
406 rt
= path_is_mount_point(file2
, AT_SYMLINK_FOLLOW
);
407 rlf
= path_is_mount_point(link2
, 0);
408 rlt
= path_is_mount_point(link2
, AT_SYMLINK_FOLLOW
);
410 assert_se(umount(file2
) == 0);
418 dir2file
= path_join(NULL
, dir2
, "file");
420 fd
= open(dir2file
, O_WRONLY
|O_CREAT
|O_EXCL
|O_CLOEXEC
, 0664);
424 assert_se(mount(dir2
, dir1
, NULL
, MS_BIND
, NULL
) >= 0);
426 rf
= path_is_mount_point(dir1
, 0);
427 rt
= path_is_mount_point(dir1
, AT_SYMLINK_FOLLOW
);
428 rlf
= path_is_mount_point(dirlink1
, 0);
429 rlt
= path_is_mount_point(dirlink1
, AT_SYMLINK_FOLLOW
);
430 /* its parent is a mount point, but not /file itself */
431 rl1f
= path_is_mount_point(dirlink1file
, 0);
432 rl1t
= path_is_mount_point(dirlink1file
, AT_SYMLINK_FOLLOW
);
434 assert_se(umount(dir1
) == 0);
440 assert_se(rl1f
== 0);
441 assert_se(rl1t
== 0);
444 printf("Skipping bind mount file test: %m\n");
446 assert_se(rm_rf(tmp_dir
, REMOVE_ROOT
|REMOVE_PHYSICAL
) == 0);
449 static void test_file_in_same_dir(void) {
452 t
= file_in_same_dir("/", "a");
453 assert_se(streq(t
, "/a"));
456 t
= file_in_same_dir("/", "/a");
457 assert_se(streq(t
, "/a"));
460 t
= file_in_same_dir("", "a");
461 assert_se(streq(t
, "a"));
464 t
= file_in_same_dir("a/", "a");
465 assert_se(streq(t
, "a/a"));
468 t
= file_in_same_dir("bar/foo", "bar");
469 assert_se(streq(t
, "bar/bar"));
473 static void test_filename_is_valid(void) {
474 char foo
[FILENAME_MAX
+2];
477 assert_se(!filename_is_valid(""));
478 assert_se(!filename_is_valid("/bar/foo"));
479 assert_se(!filename_is_valid("/"));
480 assert_se(!filename_is_valid("."));
481 assert_se(!filename_is_valid(".."));
483 for (i
=0; i
<FILENAME_MAX
+1; i
++)
485 foo
[FILENAME_MAX
+1] = '\0';
487 assert_se(!filename_is_valid(foo
));
489 assert_se(filename_is_valid("foo_bar-333"));
490 assert_se(filename_is_valid("o.o"));
493 static void test_hidden_or_backup_file(void) {
494 assert_se(hidden_or_backup_file(".hidden"));
495 assert_se(hidden_or_backup_file("..hidden"));
496 assert_se(!hidden_or_backup_file("hidden."));
498 assert_se(hidden_or_backup_file("backup~"));
499 assert_se(hidden_or_backup_file(".backup~"));
501 assert_se(hidden_or_backup_file("lost+found"));
502 assert_se(hidden_or_backup_file("aquota.user"));
503 assert_se(hidden_or_backup_file("aquota.group"));
505 assert_se(hidden_or_backup_file("test.rpmnew"));
506 assert_se(hidden_or_backup_file("test.dpkg-old"));
507 assert_se(hidden_or_backup_file("test.dpkg-remove"));
508 assert_se(hidden_or_backup_file("test.swp"));
510 assert_se(!hidden_or_backup_file("test.rpmnew."));
511 assert_se(!hidden_or_backup_file("test.dpkg-old.foo"));
514 int main(int argc
, char **argv
) {
516 test_find_binary(argv
[0]);
520 test_make_relative();
522 test_path_startswith();
524 test_path_is_mount_point();
525 test_file_in_same_dir();
526 test_filename_is_valid();
527 test_hidden_or_backup_file();