]>
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 "stat-util.h"
31 #include "string-util.h"
35 #define test_path_compare(a, b, result) { \
36 assert_se(path_compare(a, b) == result); \
37 assert_se(path_compare(b, a) == -result); \
38 assert_se(path_equal(a, b) == !result); \
39 assert_se(path_equal(b, a) == !result); \
42 static void test_path(void) {
43 _cleanup_close_
int fd
= -1;
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);
49 test_path_compare("goo/////", "goo", 0);
51 test_path_compare("/goo/boo", "/goo//boo", 0);
52 test_path_compare("//goo/boo", "/goo/boo//", 0);
54 test_path_compare("/", "///", 0);
56 test_path_compare("/x", "x/", 1);
57 test_path_compare("x/", "/", -1);
59 test_path_compare("/x/./y", "x/y", 1);
60 test_path_compare("x/.y", "x/y", -1);
62 test_path_compare("foo", "/foo", -1);
63 test_path_compare("/foo", "/foo/bar", -1);
64 test_path_compare("/foo/aaa", "/foo/b", -1);
65 test_path_compare("/foo/aaa", "/foo/b/a", -1);
66 test_path_compare("/foo/a", "/foo/aaa", -1);
67 test_path_compare("/foo/a/b", "/foo/aaa", -1);
69 assert_se(path_is_absolute("/"));
70 assert_se(!path_is_absolute("./"));
72 assert_se(is_path("/dir"));
73 assert_se(is_path("a/b"));
74 assert_se(!is_path("."));
76 assert_se(streq(basename("./aa/bb/../file.da."), "file.da."));
77 assert_se(streq(basename("/aa///.file"), ".file"));
78 assert_se(streq(basename("/aa///file..."), "file..."));
79 assert_se(streq(basename("file.../"), ""));
81 fd
= open("/", O_RDONLY
|O_CLOEXEC
|O_DIRECTORY
|O_NOCTTY
);
83 assert_se(fd_is_mount_point(fd
, "/", 0) > 0);
86 char p1
[] = "aaa/bbb////ccc";
87 char p2
[] = "//aaa/.////ccc";
90 assert_se(path_equal(path_kill_slashes(p1
), "aaa/bbb/ccc"));
91 assert_se(path_equal(path_kill_slashes(p2
), "/aaa/./ccc"));
92 assert_se(path_equal(path_kill_slashes(p3
), "/./"));
95 assert_se(PATH_IN_SET("/bin", "/", "/bin", "/foo"));
96 assert_se(PATH_IN_SET("/bin", "/bin"));
97 assert_se(PATH_IN_SET("/bin", "/foo/bar", "/bin"));
98 assert_se(PATH_IN_SET("/", "/", "/", "/foo/bar"));
99 assert_se(!PATH_IN_SET("/", "/abc", "/def"));
101 assert_se(path_equal_ptr(NULL
, NULL
));
102 assert_se(path_equal_ptr("/a", "/a"));
103 assert_se(!path_equal_ptr("/a", "/b"));
104 assert_se(!path_equal_ptr("/a", NULL
));
105 assert_se(!path_equal_ptr(NULL
, "/a"));
108 static void test_path_equal_root(void) {
109 /* Nail down the details of how path_equal("/", ...) works. */
111 assert_se(path_equal("/", "/"));
112 assert_se(path_equal("/", "//"));
114 assert_se(!path_equal("/", "/./"));
115 assert_se(!path_equal("/", "/../"));
117 assert_se(!path_equal("/", "/.../"));
119 /* Make sure that files_same works as expected. */
121 assert_se(files_same("/", "/") > 0);
122 assert_se(files_same("/", "//") > 0);
124 assert_se(files_same("/", "/./") > 0);
125 assert_se(files_same("/", "/../") > 0);
127 assert_se(files_same("/", "/.../") == -ENOENT
);
129 /* The same for path_equal_or_files_same. */
131 assert_se(path_equal_or_files_same("/", "/"));
132 assert_se(path_equal_or_files_same("/", "//"));
134 assert_se(path_equal_or_files_same("/", "/./"));
135 assert_se(path_equal_or_files_same("/", "/../"));
137 assert_se(!path_equal_or_files_same("/", "/.../"));
140 static void test_find_binary(const char *self
) {
143 assert_se(find_binary("/bin/sh", &p
) == 0);
145 assert_se(path_equal(p
, "/bin/sh"));
148 assert_se(find_binary(self
, &p
) == 0);
150 /* libtool might prefix the binary name with "lt-" */
151 assert_se(endswith(p
, "/lt-test-path-util") || endswith(p
, "/test-path-util"));
152 assert_se(path_is_absolute(p
));
155 assert_se(find_binary("sh", &p
) == 0);
157 assert_se(endswith(p
, "/sh"));
158 assert_se(path_is_absolute(p
));
161 assert_se(find_binary("xxxx-xxxx", &p
) == -ENOENT
);
162 assert_se(find_binary("/some/dir/xxxx-xxxx", &p
) == -ENOENT
);
165 static void test_prefixes(void) {
166 static const char* values
[] = { "/a/b/c/d", "/a/b/c", "/a/b", "/a", "", NULL
};
172 PATH_FOREACH_PREFIX_MORE(s
, "/a/b/c/d") {
173 log_error("---%s---", s
);
174 assert_se(streq(s
, values
[i
++]));
176 assert_se(values
[i
] == NULL
);
179 PATH_FOREACH_PREFIX(s
, "/a/b/c/d") {
180 log_error("---%s---", s
);
181 assert_se(streq(s
, values
[i
++]));
183 assert_se(values
[i
] == NULL
);
186 PATH_FOREACH_PREFIX_MORE(s
, "////a////b////c///d///////")
187 assert_se(streq(s
, values
[i
++]));
188 assert_se(values
[i
] == NULL
);
191 PATH_FOREACH_PREFIX(s
, "////a////b////c///d///////")
192 assert_se(streq(s
, values
[i
++]));
193 assert_se(values
[i
] == NULL
);
195 PATH_FOREACH_PREFIX(s
, "////")
196 assert_not_reached("Wut?");
199 PATH_FOREACH_PREFIX_MORE(s
, "////") {
201 assert_se(streq(s
, ""));
206 PATH_FOREACH_PREFIX(s
, "")
207 assert_not_reached("wut?");
210 PATH_FOREACH_PREFIX_MORE(s
, "") {
212 assert_se(streq(s
, ""));
217 static void test_path_join(void) {
219 #define test_join(root, path, rest, expected) { \
220 _cleanup_free_ char *z = NULL; \
221 z = path_join(root, path, rest); \
222 assert_se(streq(z, expected)); \
225 test_join("/root", "/a/b", "/c", "/root/a/b/c");
226 test_join("/root", "a/b", "c", "/root/a/b/c");
227 test_join("/root", "/a/b", "c", "/root/a/b/c");
228 test_join("/root", "/", "c", "/root/c");
229 test_join("/root", "/", NULL
, "/root/");
231 test_join(NULL
, "/a/b", "/c", "/a/b/c");
232 test_join(NULL
, "a/b", "c", "a/b/c");
233 test_join(NULL
, "/a/b", "c", "/a/b/c");
234 test_join(NULL
, "/", "c", "/c");
235 test_join(NULL
, "/", NULL
, "/");
238 static void test_fsck_exists(void) {
239 /* Ensure we use a sane default for PATH. */
242 /* fsck.minix is provided by util-linux and will probably exist. */
243 assert_se(fsck_exists("minix") == 1);
245 assert_se(fsck_exists("AbCdE") == 0);
246 assert_se(fsck_exists("/../bin/") == 0);
249 static void test_make_relative(void) {
252 assert_se(path_make_relative("some/relative/path", "/some/path", &result
) < 0);
253 assert_se(path_make_relative("/some/path", "some/relative/path", &result
) < 0);
255 #define test(from_dir, to_path, expected) { \
256 _cleanup_free_ char *z = NULL; \
257 path_make_relative(from_dir, to_path, &z); \
258 assert_se(streq(z, expected)); \
262 test("/", "/some/path", "some/path");
263 test("/some/path", "/some/path", ".");
264 test("/some/path", "/some/path/in/subdir", "in/subdir");
265 test("/some/path", "/", "../..");
266 test("/some/path", "/some/other/path", "../other/path");
267 test("//extra/////slashes///won't////fool///anybody//", "////extra///slashes////are/just///fine///", "../../../are/just/fine");
270 static void test_strv_resolve(void) {
271 char tmp_dir
[] = "/tmp/test-path-util-XXXXXX";
272 _cleanup_strv_free_
char **search_dirs
= NULL
;
273 _cleanup_strv_free_
char **absolute_dirs
= NULL
;
276 assert_se(mkdtemp(tmp_dir
) != NULL
);
278 search_dirs
= strv_new("/dir1", "/dir2", "/dir3", NULL
);
279 assert_se(search_dirs
);
280 STRV_FOREACH(d
, search_dirs
) {
281 char *p
= strappend(tmp_dir
, *d
);
283 assert_se(strv_push(&absolute_dirs
, p
) == 0);
286 assert_se(mkdir(absolute_dirs
[0], 0700) == 0);
287 assert_se(mkdir(absolute_dirs
[1], 0700) == 0);
288 assert_se(symlink("dir2", absolute_dirs
[2]) == 0);
290 path_strv_resolve(search_dirs
, tmp_dir
);
291 assert_se(streq(search_dirs
[0], "/dir1"));
292 assert_se(streq(search_dirs
[1], "/dir2"));
293 assert_se(streq(search_dirs
[2], "/dir2"));
295 assert_se(rm_rf(tmp_dir
, REMOVE_ROOT
|REMOVE_PHYSICAL
) == 0);
298 static void test_path_startswith(void) {
301 p
= path_startswith("/foo/bar/barfoo/", "/foo");
302 assert_se(streq_ptr(p
, "bar/barfoo/"));
304 p
= path_startswith("/foo/bar/barfoo/", "/foo/");
305 assert_se(streq_ptr(p
, "bar/barfoo/"));
307 p
= path_startswith("/foo/bar/barfoo/", "/");
308 assert_se(streq_ptr(p
, "foo/bar/barfoo/"));
310 p
= path_startswith("/foo/bar/barfoo/", "////");
311 assert_se(streq_ptr(p
, "foo/bar/barfoo/"));
313 p
= path_startswith("/foo/bar/barfoo/", "/foo//bar/////barfoo///");
314 assert_se(streq_ptr(p
, ""));
316 p
= path_startswith("/foo/bar/barfoo/", "/foo/bar/barfoo////");
317 assert_se(streq_ptr(p
, ""));
319 p
= path_startswith("/foo/bar/barfoo/", "/foo/bar///barfoo/");
320 assert_se(streq_ptr(p
, ""));
322 p
= path_startswith("/foo/bar/barfoo/", "/foo////bar/barfoo/");
323 assert_se(streq_ptr(p
, ""));
325 p
= path_startswith("/foo/bar/barfoo/", "////foo/bar/barfoo/");
326 assert_se(streq_ptr(p
, ""));
328 p
= path_startswith("/foo/bar/barfoo/", "/foo/bar/barfoo");
329 assert_se(streq_ptr(p
, ""));
331 assert_se(!path_startswith("/foo/bar/barfoo/", "/foo/bar/barfooa/"));
332 assert_se(!path_startswith("/foo/bar/barfoo/", "/foo/bar/barfooa"));
333 assert_se(!path_startswith("/foo/bar/barfoo/", ""));
334 assert_se(!path_startswith("/foo/bar/barfoo/", "/bar/foo"));
335 assert_se(!path_startswith("/foo/bar/barfoo/", "/f/b/b/"));
338 static void test_prefix_root_one(const char *r
, const char *p
, const char *expected
) {
339 _cleanup_free_
char *s
= NULL
;
342 assert_se(s
= prefix_root(r
, p
));
343 assert_se(streq_ptr(s
, expected
));
345 t
= prefix_roota(r
, p
);
347 assert_se(streq_ptr(t
, expected
));
350 static void test_prefix_root(void) {
351 test_prefix_root_one("/", "/foo", "/foo");
352 test_prefix_root_one(NULL
, "/foo", "/foo");
353 test_prefix_root_one("", "/foo", "/foo");
354 test_prefix_root_one("///", "/foo", "/foo");
355 test_prefix_root_one("/", "////foo", "/foo");
356 test_prefix_root_one(NULL
, "////foo", "/foo");
358 test_prefix_root_one("/foo", "/bar", "/foo/bar");
359 test_prefix_root_one("/foo", "bar", "/foo/bar");
360 test_prefix_root_one("foo", "bar", "foo/bar");
361 test_prefix_root_one("/foo/", "/bar", "/foo/bar");
362 test_prefix_root_one("/foo/", "//bar", "/foo/bar");
363 test_prefix_root_one("/foo///", "//bar", "/foo/bar");
366 static void test_path_is_mount_point(void) {
368 char tmp_dir
[] = "/tmp/test-path-is-mount-point-XXXXXX";
369 _cleanup_free_
char *file1
= NULL
, *file2
= NULL
, *link1
= NULL
, *link2
= NULL
;
370 _cleanup_free_
char *dir1
= NULL
, *dir1file
= NULL
, *dirlink1
= NULL
, *dirlink1file
= NULL
;
371 _cleanup_free_
char *dir2
= NULL
, *dir2file
= NULL
;
373 assert_se(path_is_mount_point("/", NULL
, AT_SYMLINK_FOLLOW
) > 0);
374 assert_se(path_is_mount_point("/", NULL
, 0) > 0);
376 assert_se(path_is_mount_point("/proc", NULL
, AT_SYMLINK_FOLLOW
) > 0);
377 assert_se(path_is_mount_point("/proc", NULL
, 0) > 0);
379 assert_se(path_is_mount_point("/proc/1", NULL
, AT_SYMLINK_FOLLOW
) == 0);
380 assert_se(path_is_mount_point("/proc/1", NULL
, 0) == 0);
382 assert_se(path_is_mount_point("/sys", NULL
, AT_SYMLINK_FOLLOW
) > 0);
383 assert_se(path_is_mount_point("/sys", NULL
, 0) > 0);
385 /* we'll create a hierarchy of different kinds of dir/file/link
388 * <tmp>/file1, <tmp>/file2
389 * <tmp>/link1 -> file1, <tmp>/link2 -> file2
392 * <tmp>/dirlink1 -> dir1
393 * <tmp>/dirlink1file -> dirlink1/file
398 /* file mountpoints */
399 assert_se(mkdtemp(tmp_dir
) != NULL
);
400 file1
= path_join(NULL
, tmp_dir
, "file1");
402 file2
= path_join(NULL
, tmp_dir
, "file2");
404 fd
= open(file1
, O_WRONLY
|O_CREAT
|O_EXCL
|O_CLOEXEC
, 0664);
407 fd
= open(file2
, O_WRONLY
|O_CREAT
|O_EXCL
|O_CLOEXEC
, 0664);
410 link1
= path_join(NULL
, tmp_dir
, "link1");
412 assert_se(symlink("file1", link1
) == 0);
413 link2
= path_join(NULL
, tmp_dir
, "link2");
415 assert_se(symlink("file2", link2
) == 0);
417 assert_se(path_is_mount_point(file1
, NULL
, AT_SYMLINK_FOLLOW
) == 0);
418 assert_se(path_is_mount_point(file1
, NULL
, 0) == 0);
419 assert_se(path_is_mount_point(link1
, NULL
, AT_SYMLINK_FOLLOW
) == 0);
420 assert_se(path_is_mount_point(link1
, NULL
, 0) == 0);
422 /* directory mountpoints */
423 dir1
= path_join(NULL
, tmp_dir
, "dir1");
425 assert_se(mkdir(dir1
, 0755) == 0);
426 dirlink1
= path_join(NULL
, tmp_dir
, "dirlink1");
428 assert_se(symlink("dir1", dirlink1
) == 0);
429 dirlink1file
= path_join(NULL
, tmp_dir
, "dirlink1file");
430 assert_se(dirlink1file
);
431 assert_se(symlink("dirlink1/file", dirlink1file
) == 0);
432 dir2
= path_join(NULL
, tmp_dir
, "dir2");
434 assert_se(mkdir(dir2
, 0755) == 0);
436 assert_se(path_is_mount_point(dir1
, NULL
, AT_SYMLINK_FOLLOW
) == 0);
437 assert_se(path_is_mount_point(dir1
, NULL
, 0) == 0);
438 assert_se(path_is_mount_point(dirlink1
, NULL
, AT_SYMLINK_FOLLOW
) == 0);
439 assert_se(path_is_mount_point(dirlink1
, NULL
, 0) == 0);
441 /* file in subdirectory mountpoints */
442 dir1file
= path_join(NULL
, dir1
, "file");
444 fd
= open(dir1file
, O_WRONLY
|O_CREAT
|O_EXCL
|O_CLOEXEC
, 0664);
448 assert_se(path_is_mount_point(dir1file
, NULL
, AT_SYMLINK_FOLLOW
) == 0);
449 assert_se(path_is_mount_point(dir1file
, NULL
, 0) == 0);
450 assert_se(path_is_mount_point(dirlink1file
, NULL
, AT_SYMLINK_FOLLOW
) == 0);
451 assert_se(path_is_mount_point(dirlink1file
, NULL
, 0) == 0);
453 /* these tests will only work as root */
454 if (mount(file1
, file2
, NULL
, MS_BIND
, NULL
) >= 0) {
455 int rt
, rf
, rlt
, rlf
, rl1t
, rl1f
;
458 /* capture results in vars, to avoid dangling mounts on failure */
459 rf
= path_is_mount_point(file2
, NULL
, 0);
460 rt
= path_is_mount_point(file2
, NULL
, AT_SYMLINK_FOLLOW
);
461 rlf
= path_is_mount_point(link2
, NULL
, 0);
462 rlt
= path_is_mount_point(link2
, NULL
, AT_SYMLINK_FOLLOW
);
464 assert_se(umount(file2
) == 0);
472 dir2file
= path_join(NULL
, dir2
, "file");
474 fd
= open(dir2file
, O_WRONLY
|O_CREAT
|O_EXCL
|O_CLOEXEC
, 0664);
478 assert_se(mount(dir2
, dir1
, NULL
, MS_BIND
, NULL
) >= 0);
480 rf
= path_is_mount_point(dir1
, NULL
, 0);
481 rt
= path_is_mount_point(dir1
, NULL
, AT_SYMLINK_FOLLOW
);
482 rlf
= path_is_mount_point(dirlink1
, NULL
, 0);
483 rlt
= path_is_mount_point(dirlink1
, NULL
, AT_SYMLINK_FOLLOW
);
484 /* its parent is a mount point, but not /file itself */
485 rl1f
= path_is_mount_point(dirlink1file
, NULL
, 0);
486 rl1t
= path_is_mount_point(dirlink1file
, NULL
, AT_SYMLINK_FOLLOW
);
488 assert_se(umount(dir1
) == 0);
494 assert_se(rl1f
== 0);
495 assert_se(rl1t
== 0);
498 printf("Skipping bind mount file test: %m\n");
500 assert_se(rm_rf(tmp_dir
, REMOVE_ROOT
|REMOVE_PHYSICAL
) == 0);
503 static void test_file_in_same_dir(void) {
506 t
= file_in_same_dir("/", "a");
507 assert_se(streq(t
, "/a"));
510 t
= file_in_same_dir("/", "/a");
511 assert_se(streq(t
, "/a"));
514 t
= file_in_same_dir("", "a");
515 assert_se(streq(t
, "a"));
518 t
= file_in_same_dir("a/", "a");
519 assert_se(streq(t
, "a/a"));
522 t
= file_in_same_dir("bar/foo", "bar");
523 assert_se(streq(t
, "bar/bar"));
527 static void test_filename_is_valid(void) {
528 char foo
[FILENAME_MAX
+2];
531 assert_se(!filename_is_valid(""));
532 assert_se(!filename_is_valid("/bar/foo"));
533 assert_se(!filename_is_valid("/"));
534 assert_se(!filename_is_valid("."));
535 assert_se(!filename_is_valid(".."));
537 for (i
=0; i
<FILENAME_MAX
+1; i
++)
539 foo
[FILENAME_MAX
+1] = '\0';
541 assert_se(!filename_is_valid(foo
));
543 assert_se(filename_is_valid("foo_bar-333"));
544 assert_se(filename_is_valid("o.o"));
547 static void test_hidden_or_backup_file(void) {
548 assert_se(hidden_or_backup_file(".hidden"));
549 assert_se(hidden_or_backup_file("..hidden"));
550 assert_se(!hidden_or_backup_file("hidden."));
552 assert_se(hidden_or_backup_file("backup~"));
553 assert_se(hidden_or_backup_file(".backup~"));
555 assert_se(hidden_or_backup_file("lost+found"));
556 assert_se(hidden_or_backup_file("aquota.user"));
557 assert_se(hidden_or_backup_file("aquota.group"));
559 assert_se(hidden_or_backup_file("test.rpmnew"));
560 assert_se(hidden_or_backup_file("test.dpkg-old"));
561 assert_se(hidden_or_backup_file("test.dpkg-remove"));
562 assert_se(hidden_or_backup_file("test.swp"));
564 assert_se(!hidden_or_backup_file("test.rpmnew."));
565 assert_se(!hidden_or_backup_file("test.dpkg-old.foo"));
568 static void test_systemd_installation_has_version(const char *path
) {
570 const unsigned versions
[] = {0, 231, atoi(PACKAGE_VERSION
), 999};
573 for (i
= 0; i
< ELEMENTSOF(versions
); i
++) {
574 r
= systemd_installation_has_version(path
, versions
[i
]);
576 log_info("%s has systemd >= %u: %s",
577 path
?: "Current installation", versions
[i
], yes_no(r
));
581 int main(int argc
, char **argv
) {
582 log_set_max_level(LOG_DEBUG
);
583 log_parse_environment();
587 test_path_equal_root();
588 test_find_binary(argv
[0]);
592 test_make_relative();
594 test_path_startswith();
596 test_path_is_mount_point();
597 test_file_in_same_dir();
598 test_filename_is_valid();
599 test_hidden_or_backup_file();
601 test_systemd_installation_has_version(argv
[1]); /* NULL is OK */