[thirdparty/systemd.git] / src / test / test-path-util.c

/* SPDX-License-Identifier: LGPL-2.1+ */
/***
  Copyright © 2013 Zbigniew Jędrzejewski-Szmek
***/

#include <stdio.h>
#include <unistd.h>

#include "alloc-util.h"
#include "fd-util.h"
#include "macro.h"
#include "mount-util.h"
#include "path-util.h"
#include "rm-rf.h"
#include "stat-util.h"
#include "string-util.h"
#include "strv.h"
#include "util.h"

#define test_path_compare(a, b, result) {                 \
                assert_se(path_compare(a, b) == result);  \
                assert_se(path_compare(b, a) == -result); \
                assert_se(path_equal(a, b) == !result);   \
                assert_se(path_equal(b, a) == !result);   \
        }

static void test_path_simplify(const char *in, const char *out, const char *out_dot) {
        char *p;

        p = strdupa(in);
        assert_se(streq(path_simplify(p, false), out));

        p = strdupa(in);
        assert_se(streq(path_simplify(p, true), out_dot));
}

static void test_path(void) {
        _cleanup_close_ int fd = -1;

        test_path_compare("/goo", "/goo", 0);
        test_path_compare("/goo", "/goo", 0);
        test_path_compare("//goo", "/goo", 0);
        test_path_compare("//goo/////", "/goo", 0);
        test_path_compare("goo/////", "goo", 0);

        test_path_compare("/goo/boo", "/goo//boo", 0);
        test_path_compare("//goo/boo", "/goo/boo//", 0);

        test_path_compare("/", "///", 0);

        test_path_compare("/x", "x/", 1);
        test_path_compare("x/", "/", -1);

        test_path_compare("/x/./y", "x/y", 1);
        test_path_compare("x/.y", "x/y", -1);

        test_path_compare("foo", "/foo", -1);
        test_path_compare("/foo", "/foo/bar", -1);
        test_path_compare("/foo/aaa", "/foo/b", -1);
        test_path_compare("/foo/aaa", "/foo/b/a", -1);
        test_path_compare("/foo/a", "/foo/aaa", -1);
        test_path_compare("/foo/a/b", "/foo/aaa", -1);

        assert_se(path_is_absolute("/"));
        assert_se(!path_is_absolute("./"));

        assert_se(is_path("/dir"));
        assert_se(is_path("a/b"));
        assert_se(!is_path("."));

        assert_se(streq(basename("./aa/bb/../file.da."), "file.da."));
        assert_se(streq(basename("/aa///.file"), ".file"));
        assert_se(streq(basename("/aa///file..."), "file..."));
        assert_se(streq(basename("file.../"), ""));

        fd = open("/", O_RDONLY|O_CLOEXEC|O_DIRECTORY|O_NOCTTY);
        assert_se(fd >= 0);
        assert_se(fd_is_mount_point(fd, "/", 0) > 0);

        test_path_simplify("aaa/bbb////ccc", "aaa/bbb/ccc", "aaa/bbb/ccc");
        test_path_simplify("//aaa/.////ccc", "/aaa/./ccc", "/aaa/ccc");
        test_path_simplify("///", "/", "/");
        test_path_simplify("///.//", "/.", "/");
        test_path_simplify("///.//.///", "/./.", "/");
        test_path_simplify("////.././///../.", "/.././../.", "/../..");
        test_path_simplify(".", ".", "");
        test_path_simplify("./", ".", "");
        test_path_simplify(".///.//./.", "./././.", "");
        test_path_simplify(".///.//././/", "./././.", "");
        test_path_simplify("//./aaa///.//./.bbb/..///c.//d.dd///..eeee/.",
                           "/./aaa/././.bbb/../c./d.dd/..eeee/.",
                           "/aaa/.bbb/../c./d.dd/..eeee");
        test_path_simplify("//./aaa///.//./.bbb/..///c.//d.dd///..eeee/..",
                           "/./aaa/././.bbb/../c./d.dd/..eeee/..",
                           "/aaa/.bbb/../c./d.dd/..eeee/..");
        test_path_simplify(".//./aaa///.//./.bbb/..///c.//d.dd///..eeee/..",
                           "././aaa/././.bbb/../c./d.dd/..eeee/..",
                           "aaa/.bbb/../c./d.dd/..eeee/..");
        test_path_simplify("..//./aaa///.//./.bbb/..///c.//d.dd///..eeee/..",
                           ".././aaa/././.bbb/../c./d.dd/..eeee/..",
                           "../aaa/.bbb/../c./d.dd/..eeee/..");

        assert_se(PATH_IN_SET("/bin", "/", "/bin", "/foo"));
        assert_se(PATH_IN_SET("/bin", "/bin"));
        assert_se(PATH_IN_SET("/bin", "/foo/bar", "/bin"));
        assert_se(PATH_IN_SET("/", "/", "/", "/foo/bar"));
        assert_se(!PATH_IN_SET("/", "/abc", "/def"));

        assert_se(path_equal_ptr(NULL, NULL));
        assert_se(path_equal_ptr("/a", "/a"));
        assert_se(!path_equal_ptr("/a", "/b"));
        assert_se(!path_equal_ptr("/a", NULL));
        assert_se(!path_equal_ptr(NULL, "/a"));
}

static void test_path_equal_root(void) {
        /* Nail down the details of how path_equal("/", ...) works. */

        assert_se(path_equal("/", "/"));
        assert_se(path_equal("/", "//"));

        assert_se(!path_equal("/", "/./"));
        assert_se(!path_equal("/", "/../"));

        assert_se(!path_equal("/", "/.../"));

        /* Make sure that files_same works as expected. */

        assert_se(files_same("/", "/", 0) > 0);
        assert_se(files_same("/", "/", AT_SYMLINK_NOFOLLOW) > 0);
        assert_se(files_same("/", "//", 0) > 0);
        assert_se(files_same("/", "//", AT_SYMLINK_NOFOLLOW) > 0);

        assert_se(files_same("/", "/./", 0) > 0);
        assert_se(files_same("/", "/./", AT_SYMLINK_NOFOLLOW) > 0);
        assert_se(files_same("/", "/../", 0) > 0);
        assert_se(files_same("/", "/../", AT_SYMLINK_NOFOLLOW) > 0);

        assert_se(files_same("/", "/.../", 0) == -ENOENT);
        assert_se(files_same("/", "/.../", AT_SYMLINK_NOFOLLOW) == -ENOENT);

        /* The same for path_equal_or_files_same. */

        assert_se(path_equal_or_files_same("/", "/", 0));
        assert_se(path_equal_or_files_same("/", "/", AT_SYMLINK_NOFOLLOW));
        assert_se(path_equal_or_files_same("/", "//", 0));
        assert_se(path_equal_or_files_same("/", "//", AT_SYMLINK_NOFOLLOW));

        assert_se(path_equal_or_files_same("/", "/./", 0));
        assert_se(path_equal_or_files_same("/", "/./", AT_SYMLINK_NOFOLLOW));
        assert_se(path_equal_or_files_same("/", "/../", 0));
        assert_se(path_equal_or_files_same("/", "/../", AT_SYMLINK_NOFOLLOW));

        assert_se(!path_equal_or_files_same("/", "/.../", 0));
        assert_se(!path_equal_or_files_same("/", "/.../", AT_SYMLINK_NOFOLLOW));
}

static void test_find_binary(const char *self) {
        char *p;

        assert_se(find_binary("/bin/sh", &p) == 0);
        puts(p);
        assert_se(path_equal(p, "/bin/sh"));
        free(p);

        assert_se(find_binary(self, &p) == 0);
        puts(p);
        /* libtool might prefix the binary name with "lt-" */
        assert_se(endswith(p, "/lt-test-path-util") || endswith(p, "/test-path-util"));
        assert_se(path_is_absolute(p));
        free(p);

        assert_se(find_binary("sh", &p) == 0);
        puts(p);
        assert_se(endswith(p, "/sh"));
        assert_se(path_is_absolute(p));
        free(p);

        assert_se(find_binary("xxxx-xxxx", &p) == -ENOENT);
        assert_se(find_binary("/some/dir/xxxx-xxxx", &p) == -ENOENT);
}

static void test_prefixes(void) {
        static const char* values[] = { "/a/b/c/d", "/a/b/c", "/a/b", "/a", "", NULL};
        unsigned i;
        char s[PATH_MAX];
        bool b;

        i = 0;
        PATH_FOREACH_PREFIX_MORE(s, "/a/b/c/d") {
                log_error("---%s---", s);
                assert_se(streq(s, values[i++]));
        }
        assert_se(values[i] == NULL);

        i = 1;
        PATH_FOREACH_PREFIX(s, "/a/b/c/d") {
                log_error("---%s---", s);
                assert_se(streq(s, values[i++]));
        }
        assert_se(values[i] == NULL);

        i = 0;
        PATH_FOREACH_PREFIX_MORE(s, "////a////b////c///d///////")
                assert_se(streq(s, values[i++]));
        assert_se(values[i] == NULL);

        i = 1;
        PATH_FOREACH_PREFIX(s, "////a////b////c///d///////")
                assert_se(streq(s, values[i++]));
        assert_se(values[i] == NULL);

        PATH_FOREACH_PREFIX(s, "////")
                assert_not_reached("Wut?");

        b = false;
        PATH_FOREACH_PREFIX_MORE(s, "////") {
                assert_se(!b);
                assert_se(streq(s, ""));
                b = true;
        }
        assert_se(b);

        PATH_FOREACH_PREFIX(s, "")
                assert_not_reached("wut?");

        b = false;
        PATH_FOREACH_PREFIX_MORE(s, "") {
                assert_se(!b);
                assert_se(streq(s, ""));
                b = true;
        }
}

static void test_path_join(void) {

#define test_join(root, path, rest, expected) {  \
                _cleanup_free_ char *z = NULL;   \
                z = path_join(root, path, rest); \
                assert_se(streq(z, expected));   \
        }

        test_join("/root", "/a/b", "/c", "/root/a/b/c");
        test_join("/root", "a/b", "c", "/root/a/b/c");
        test_join("/root", "/a/b", "c", "/root/a/b/c");
        test_join("/root", "/", "c", "/root/c");
        test_join("/root", "/", NULL, "/root/");

        test_join(NULL, "/a/b", "/c", "/a/b/c");
        test_join(NULL, "a/b", "c", "a/b/c");
        test_join(NULL, "/a/b", "c", "/a/b/c");
        test_join(NULL, "/", "c", "/c");
        test_join(NULL, "/", NULL, "/");
}

static void test_fsck_exists(void) {
        /* Ensure we use a sane default for PATH. */
        unsetenv("PATH");

        /* fsck.minix is provided by util-linux and will probably exist. */
        assert_se(fsck_exists("minix") == 1);

        assert_se(fsck_exists("AbCdE") == 0);
        assert_se(fsck_exists("/../bin/") == 0);
}

static void test_make_relative(void) {
        char *result;

        assert_se(path_make_relative("some/relative/path", "/some/path", &result) < 0);
        assert_se(path_make_relative("/some/path", "some/relative/path", &result) < 0);
        assert_se(path_make_relative("/some/dotdot/../path", "/some/path", &result) < 0);

#define test(from_dir, to_path, expected) {                \
                _cleanup_free_ char *z = NULL;             \
                path_make_relative(from_dir, to_path, &z); \
                assert_se(streq(z, expected));             \
        }

        test("/", "/", ".");
        test("/", "/some/path", "some/path");
        test("/some/path", "/some/path", ".");
        test("/some/path", "/some/path/in/subdir", "in/subdir");
        test("/some/path", "/", "../..");
        test("/some/path", "/some/other/path", "../other/path");
        test("/some/path/./dot", "/some/further/path", "../../further/path");
        test("//extra.//.//./.slashes//./won't////fo.ol///anybody//", "/././/extra././/.slashes////ar.e/.just/././.fine///", "../../../ar.e/.just/.fine");
}

static void test_strv_resolve(void) {
        char tmp_dir[] = "/tmp/test-path-util-XXXXXX";
        _cleanup_strv_free_ char **search_dirs = NULL;
        _cleanup_strv_free_ char **absolute_dirs = NULL;
        char **d;

        assert_se(mkdtemp(tmp_dir) != NULL);

        search_dirs = strv_new("/dir1", "/dir2", "/dir3", NULL);
        assert_se(search_dirs);
        STRV_FOREACH(d, search_dirs) {
                char *p = strappend(tmp_dir, *d);
                assert_se(p);
                assert_se(strv_push(&absolute_dirs, p) == 0);
        }

        assert_se(mkdir(absolute_dirs[0], 0700) == 0);
        assert_se(mkdir(absolute_dirs[1], 0700) == 0);
        assert_se(symlink("dir2", absolute_dirs[2]) == 0);

        path_strv_resolve(search_dirs, tmp_dir);
        assert_se(streq(search_dirs[0], "/dir1"));
        assert_se(streq(search_dirs[1], "/dir2"));
        assert_se(streq(search_dirs[2], "/dir2"));

        assert_se(rm_rf(tmp_dir, REMOVE_ROOT|REMOVE_PHYSICAL) == 0);
}

static void test_path_startswith(void) {
        const char *p;

        p = path_startswith("/foo/bar/barfoo/", "/foo");
        assert_se(streq_ptr(p, "bar/barfoo/"));

        p = path_startswith("/foo/bar/barfoo/", "/foo/");
        assert_se(streq_ptr(p, "bar/barfoo/"));

        p = path_startswith("/foo/bar/barfoo/", "/");
        assert_se(streq_ptr(p, "foo/bar/barfoo/"));

        p = path_startswith("/foo/bar/barfoo/", "////");
        assert_se(streq_ptr(p, "foo/bar/barfoo/"));

        p = path_startswith("/foo/bar/barfoo/", "/foo//bar/////barfoo///");
        assert_se(streq_ptr(p, ""));

        p = path_startswith("/foo/bar/barfoo/", "/foo/bar/barfoo////");
        assert_se(streq_ptr(p, ""));

        p = path_startswith("/foo/bar/barfoo/", "/foo/bar///barfoo/");
        assert_se(streq_ptr(p, ""));

        p = path_startswith("/foo/bar/barfoo/", "/foo////bar/barfoo/");
        assert_se(streq_ptr(p, ""));

        p = path_startswith("/foo/bar/barfoo/", "////foo/bar/barfoo/");
        assert_se(streq_ptr(p, ""));

        p = path_startswith("/foo/bar/barfoo/", "/foo/bar/barfoo");
        assert_se(streq_ptr(p, ""));

        assert_se(!path_startswith("/foo/bar/barfoo/", "/foo/bar/barfooa/"));
        assert_se(!path_startswith("/foo/bar/barfoo/", "/foo/bar/barfooa"));
        assert_se(!path_startswith("/foo/bar/barfoo/", ""));
        assert_se(!path_startswith("/foo/bar/barfoo/", "/bar/foo"));
        assert_se(!path_startswith("/foo/bar/barfoo/", "/f/b/b/"));
}

static void test_prefix_root_one(const char *r, const char *p, const char *expected) {
        _cleanup_free_ char *s = NULL;
        const char *t;

        assert_se(s = prefix_root(r, p));
        assert_se(streq_ptr(s, expected));

        t = prefix_roota(r, p);
        assert_se(t);
        assert_se(streq_ptr(t, expected));
}

static void test_prefix_root(void) {
        test_prefix_root_one("/", "/foo", "/foo");
        test_prefix_root_one(NULL, "/foo", "/foo");
        test_prefix_root_one("", "/foo", "/foo");
        test_prefix_root_one("///", "/foo", "/foo");
        test_prefix_root_one("/", "////foo", "/foo");
        test_prefix_root_one(NULL, "////foo", "/foo");

        test_prefix_root_one("/foo", "/bar", "/foo/bar");
        test_prefix_root_one("/foo", "bar", "/foo/bar");
        test_prefix_root_one("foo", "bar", "foo/bar");
        test_prefix_root_one("/foo/", "/bar", "/foo/bar");
        test_prefix_root_one("/foo/", "//bar", "/foo/bar");
        test_prefix_root_one("/foo///", "//bar", "/foo/bar");
}

static void test_file_in_same_dir(void) {
        char *t;

        t = file_in_same_dir("/", "a");
        assert_se(streq(t, "/a"));
        free(t);

        t = file_in_same_dir("/", "/a");
        assert_se(streq(t, "/a"));
        free(t);

        t = file_in_same_dir("", "a");
        assert_se(streq(t, "a"));
        free(t);

        t = file_in_same_dir("a/", "a");
        assert_se(streq(t, "a/a"));
        free(t);

        t = file_in_same_dir("bar/foo", "bar");
        assert_se(streq(t, "bar/bar"));
        free(t);
}

static void test_last_path_component(void) {
        assert_se(streq(last_path_component("a/b/c"), "c"));
        assert_se(streq(last_path_component("a/b/c/"), "c/"));
        assert_se(streq(last_path_component("/"), "/"));
        assert_se(streq(last_path_component("//"), "/"));
        assert_se(streq(last_path_component("///"), "/"));
        assert_se(streq(last_path_component("."), "."));
        assert_se(streq(last_path_component("./."), "."));
        assert_se(streq(last_path_component("././"), "./"));
        assert_se(streq(last_path_component("././/"), ".//"));
        assert_se(streq(last_path_component("/foo/a"), "a"));
        assert_se(streq(last_path_component("/foo/a/"), "a/"));
        assert_se(streq(last_path_component(""), ""));
        assert_se(streq(last_path_component("a"), "a"));
        assert_se(streq(last_path_component("a/"), "a/"));
        assert_se(streq(last_path_component("/a"), "a"));
        assert_se(streq(last_path_component("/a/"), "a/"));
}

static void test_filename_is_valid(void) {
        char foo[FILENAME_MAX+2];
        int i;

        assert_se(!filename_is_valid(""));
        assert_se(!filename_is_valid("/bar/foo"));
        assert_se(!filename_is_valid("/"));
        assert_se(!filename_is_valid("."));
        assert_se(!filename_is_valid(".."));

        for (i=0; i<FILENAME_MAX+1; i++)
                foo[i] = 'a';
        foo[FILENAME_MAX+1] = '\0';

        assert_se(!filename_is_valid(foo));

        assert_se(filename_is_valid("foo_bar-333"));
        assert_se(filename_is_valid("o.o"));
}

static void test_hidden_or_backup_file(void) {
        assert_se(hidden_or_backup_file(".hidden"));
        assert_se(hidden_or_backup_file("..hidden"));
        assert_se(!hidden_or_backup_file("hidden."));

        assert_se(hidden_or_backup_file("backup~"));
        assert_se(hidden_or_backup_file(".backup~"));

        assert_se(hidden_or_backup_file("lost+found"));
        assert_se(hidden_or_backup_file("aquota.user"));
        assert_se(hidden_or_backup_file("aquota.group"));

        assert_se(hidden_or_backup_file("test.rpmnew"));
        assert_se(hidden_or_backup_file("test.dpkg-old"));
        assert_se(hidden_or_backup_file("test.dpkg-remove"));
        assert_se(hidden_or_backup_file("test.swp"));

        assert_se(!hidden_or_backup_file("test.rpmnew."));
        assert_se(!hidden_or_backup_file("test.dpkg-old.foo"));
}

static void test_systemd_installation_has_version(const char *path) {
        int r;
        const unsigned versions[] = {0, 231, atoi(PACKAGE_VERSION), 999};
        unsigned i;

        for (i = 0; i < ELEMENTSOF(versions); i++) {
                r = systemd_installation_has_version(path, versions[i]);
                assert_se(r >= 0);
                log_info("%s has systemd >= %u: %s",
                         path ?: "Current installation", versions[i], yes_no(r));
        }
}

static void test_skip_dev_prefix(void) {

        assert_se(streq(skip_dev_prefix("/"), "/"));
        assert_se(streq(skip_dev_prefix("/dev"), ""));
        assert_se(streq(skip_dev_prefix("/dev/"), ""));
        assert_se(streq(skip_dev_prefix("/dev/foo"), "foo"));
        assert_se(streq(skip_dev_prefix("/dev/foo/bar"), "foo/bar"));
        assert_se(streq(skip_dev_prefix("//dev"), ""));
        assert_se(streq(skip_dev_prefix("//dev//"), ""));
        assert_se(streq(skip_dev_prefix("/dev///foo"), "foo"));
        assert_se(streq(skip_dev_prefix("///dev///foo///bar"), "foo///bar"));
        assert_se(streq(skip_dev_prefix("//foo"), "//foo"));
        assert_se(streq(skip_dev_prefix("foo"), "foo"));
}

static void test_empty_or_root(void) {
        assert_se(empty_or_root(NULL));
        assert_se(empty_or_root(""));
        assert_se(empty_or_root("/"));
        assert_se(empty_or_root("//"));
        assert_se(empty_or_root("///"));
        assert_se(empty_or_root("/////////////////"));
        assert_se(!empty_or_root("xxx"));
        assert_se(!empty_or_root("/xxx"));
        assert_se(!empty_or_root("/xxx/"));
        assert_se(!empty_or_root("//yy//"));
}

int main(int argc, char **argv) {
        log_set_max_level(LOG_DEBUG);
        log_parse_environment();
        log_open();

        test_path();
        test_path_equal_root();
        test_find_binary(argv[0]);
        test_prefixes();
        test_path_join();
        test_fsck_exists();
        test_make_relative();
        test_strv_resolve();
        test_path_startswith();
        test_prefix_root();
        test_file_in_same_dir();
        test_last_path_component();
        test_filename_is_valid();
        test_hidden_or_backup_file();
        test_skip_dev_prefix();
        test_empty_or_root();

        test_systemd_installation_has_version(argv[1]); /* NULL is OK */

        return 0;
}
Commit	Line	Data
53e1b683	1	/* SPDX-License-Identifier: LGPL-2.1+ */
76877b46	2	/***
96b2fb93	3	Copyright © 2013 Zbigniew Jędrzejewski-Szmek
76877b46 ZJS	4	***/
76877b46 ZJS	5
a696dbef	6	#include <stdio.h>
07630cea	7	#include <unistd.h>
a696dbef	8
b5efdb8a	9	#include "alloc-util.h"
3ffd4af2	10	#include "fd-util.h"
76877b46	11	#include "macro.h"
4349cd7c	12	#include "mount-util.h"
07630cea	13	#include "path-util.h"
c6878637	14	#include "rm-rf.h"
84e72b5e	15	#include "stat-util.h"
07630cea LP	16	#include "string-util.h"
	17	#include "strv.h"
	18	#include "util.h"
76877b46	19
2230852b MS	20	#define test_path_compare(a, b, result) { \
	21	assert_se(path_compare(a, b) == result); \
	22	assert_se(path_compare(b, a) == -result); \
	23	assert_se(path_equal(a, b) == !result); \
	24	assert_se(path_equal(b, a) == !result); \
	25	}
76877b46	26
858d36c1 YW	27	static void test_path_simplify(const char in, const char out, const char *out_dot) {
	28	char *p;
	29
	30	p = strdupa(in);
	31	assert_se(streq(path_simplify(p, false), out));
	32
	33	p = strdupa(in);
	34	assert_se(streq(path_simplify(p, true), out_dot));
	35	}
	36
76877b46	37	static void test_path(void) {
3f72b427 LP	38	_cleanup_close_ int fd = -1;
3f72b427 LP	39
2230852b MS	40	test_path_compare("/goo", "/goo", 0);
	41	test_path_compare("/goo", "/goo", 0);
	42	test_path_compare("//goo", "/goo", 0);
	43	test_path_compare("//goo/////", "/goo", 0);
	44	test_path_compare("goo/////", "goo", 0);
76877b46	45
2230852b MS	46	test_path_compare("/goo/boo", "/goo//boo", 0);
2230852b MS	47	test_path_compare("//goo/boo", "/goo/boo//", 0);
76877b46	48
2230852b	49	test_path_compare("/", "///", 0);
76877b46	50
2230852b MS	51	test_path_compare("/x", "x/", 1);
2230852b MS	52	test_path_compare("x/", "/", -1);
76877b46	53
2230852b MS	54	test_path_compare("/x/./y", "x/y", 1);
	55	test_path_compare("x/.y", "x/y", -1);
	56
	57	test_path_compare("foo", "/foo", -1);
	58	test_path_compare("/foo", "/foo/bar", -1);
	59	test_path_compare("/foo/aaa", "/foo/b", -1);
	60	test_path_compare("/foo/aaa", "/foo/b/a", -1);
	61	test_path_compare("/foo/a", "/foo/aaa", -1);
	62	test_path_compare("/foo/a/b", "/foo/aaa", -1);
76877b46 ZJS	63
	64	assert_se(path_is_absolute("/"));
	65	assert_se(!path_is_absolute("./"));
	66
	67	assert_se(is_path("/dir"));
	68	assert_se(is_path("a/b"));
	69	assert_se(!is_path("."));
	70
2b6bf07d ZJS	71	assert_se(streq(basename("./aa/bb/../file.da."), "file.da."));
	72	assert_se(streq(basename("/aa///.file"), ".file"));
	73	assert_se(streq(basename("/aa///file..."), "file..."));
	74	assert_se(streq(basename("file.../"), ""));
76877b46	75
3f72b427 LP	76	fd = open("/", O_RDONLY\|O_CLOEXEC\|O_DIRECTORY\|O_NOCTTY);
3f72b427 LP	77	assert_se(fd >= 0);
5d409034	78	assert_se(fd_is_mount_point(fd, "/", 0) > 0);
76877b46	79
858d36c1 YW	80	test_path_simplify("aaa/bbb////ccc", "aaa/bbb/ccc", "aaa/bbb/ccc");
	81	test_path_simplify("//aaa/.////ccc", "/aaa/./ccc", "/aaa/ccc");
	82	test_path_simplify("///", "/", "/");
	83	test_path_simplify("///.//", "/.", "/");
	84	test_path_simplify("///.//.///", "/./.", "/");
	85	test_path_simplify("////.././///../.", "/.././../.", "/../..");
	86	test_path_simplify(".", ".", "");
	87	test_path_simplify("./", ".", "");
	88	test_path_simplify(".///.//./.", "./././.", "");
	89	test_path_simplify(".///.//././/", "./././.", "");
	90	test_path_simplify("//./aaa///.//./.bbb/..///c.//d.dd///..eeee/.",
	91	"/./aaa/././.bbb/../c./d.dd/..eeee/.",
	92	"/aaa/.bbb/../c./d.dd/..eeee");
	93	test_path_simplify("//./aaa///.//./.bbb/..///c.//d.dd///..eeee/..",
	94	"/./aaa/././.bbb/../c./d.dd/..eeee/..",
	95	"/aaa/.bbb/../c./d.dd/..eeee/..");
	96	test_path_simplify(".//./aaa///.//./.bbb/..///c.//d.dd///..eeee/..",
	97	"././aaa/././.bbb/../c./d.dd/..eeee/..",
	98	"aaa/.bbb/../c./d.dd/..eeee/..");
	99	test_path_simplify("..//./aaa///.//./.bbb/..///c.//d.dd///..eeee/..",
	100	".././aaa/././.bbb/../c./d.dd/..eeee/..",
	101	"../aaa/.bbb/../c./d.dd/..eeee/..");
3ae5990c ZJS	102
	103	assert_se(PATH_IN_SET("/bin", "/", "/bin", "/foo"));
	104	assert_se(PATH_IN_SET("/bin", "/bin"));
	105	assert_se(PATH_IN_SET("/bin", "/foo/bar", "/bin"));
	106	assert_se(PATH_IN_SET("/", "/", "/", "/foo/bar"));
	107	assert_se(!PATH_IN_SET("/", "/abc", "/def"));
24737c29 ZJS	108
	109	assert_se(path_equal_ptr(NULL, NULL));
	110	assert_se(path_equal_ptr("/a", "/a"));
	111	assert_se(!path_equal_ptr("/a", "/b"));
	112	assert_se(!path_equal_ptr("/a", NULL));
	113	assert_se(!path_equal_ptr(NULL, "/a"));
76877b46 ZJS	114	}
76877b46 ZJS	115
84e72b5e ZJS	116	static void test_path_equal_root(void) {
	117	/* Nail down the details of how path_equal("/", ...) works. */
	118
	119	assert_se(path_equal("/", "/"));
	120	assert_se(path_equal("/", "//"));
	121
	122	assert_se(!path_equal("/", "/./"));
	123	assert_se(!path_equal("/", "/../"));
	124
	125	assert_se(!path_equal("/", "/.../"));
	126
	127	/* Make sure that files_same works as expected. */
	128
e3f791a2 ZJS	129	assert_se(files_same("/", "/", 0) > 0);
	130	assert_se(files_same("/", "/", AT_SYMLINK_NOFOLLOW) > 0);
	131	assert_se(files_same("/", "//", 0) > 0);
	132	assert_se(files_same("/", "//", AT_SYMLINK_NOFOLLOW) > 0);
84e72b5e	133
e3f791a2 ZJS	134	assert_se(files_same("/", "/./", 0) > 0);
	135	assert_se(files_same("/", "/./", AT_SYMLINK_NOFOLLOW) > 0);
	136	assert_se(files_same("/", "/../", 0) > 0);
	137	assert_se(files_same("/", "/../", AT_SYMLINK_NOFOLLOW) > 0);
84e72b5e	138
e3f791a2 ZJS	139	assert_se(files_same("/", "/.../", 0) == -ENOENT);
e3f791a2 ZJS	140	assert_se(files_same("/", "/.../", AT_SYMLINK_NOFOLLOW) == -ENOENT);
84e72b5e ZJS	141
	142	/* The same for path_equal_or_files_same. */
	143
e3f791a2 ZJS	144	assert_se(path_equal_or_files_same("/", "/", 0));
	145	assert_se(path_equal_or_files_same("/", "/", AT_SYMLINK_NOFOLLOW));
	146	assert_se(path_equal_or_files_same("/", "//", 0));
	147	assert_se(path_equal_or_files_same("/", "//", AT_SYMLINK_NOFOLLOW));
84e72b5e	148
e3f791a2 ZJS	149	assert_se(path_equal_or_files_same("/", "/./", 0));
	150	assert_se(path_equal_or_files_same("/", "/./", AT_SYMLINK_NOFOLLOW));
	151	assert_se(path_equal_or_files_same("/", "/../", 0));
	152	assert_se(path_equal_or_files_same("/", "/../", AT_SYMLINK_NOFOLLOW));
84e72b5e	153
e3f791a2 ZJS	154	assert_se(!path_equal_or_files_same("/", "/.../", 0));
e3f791a2 ZJS	155	assert_se(!path_equal_or_files_same("/", "/.../", AT_SYMLINK_NOFOLLOW));
84e72b5e ZJS	156	}
84e72b5e ZJS	157
85eca92e	158	static void test_find_binary(const char *self) {
c9d954b2 ZJS	159	char *p;
c9d954b2 ZJS	160
85eca92e	161	assert_se(find_binary("/bin/sh", &p) == 0);
c9d954b2	162	puts(p);
85eca92e	163	assert_se(path_equal(p, "/bin/sh"));
c9d954b2 ZJS	164	free(p);
c9d954b2 ZJS	165
85eca92e	166	assert_se(find_binary(self, &p) == 0);
c9d954b2	167	puts(p);
6d1e2ddd MG	168	/* libtool might prefix the binary name with "lt-" */
6d1e2ddd MG	169	assert_se(endswith(p, "/lt-test-path-util") \|\| endswith(p, "/test-path-util"));
8d95631e	170	assert_se(path_is_absolute(p));
c9d954b2 ZJS	171	free(p);
c9d954b2 ZJS	172
85eca92e	173	assert_se(find_binary("sh", &p) == 0);
c9d954b2	174	puts(p);
8d95631e FB	175	assert_se(endswith(p, "/sh"));
8d95631e FB	176	assert_se(path_is_absolute(p));
c9d954b2 ZJS	177	free(p);
c9d954b2 ZJS	178
85eca92e LP	179	assert_se(find_binary("xxxx-xxxx", &p) == -ENOENT);
85eca92e LP	180	assert_se(find_binary("/some/dir/xxxx-xxxx", &p) == -ENOENT);
c9d954b2 ZJS	181	}
c9d954b2 ZJS	182
fecffe5d	183	static void test_prefixes(void) {
e203f7c3 LP	184	static const char* values[] = { "/a/b/c/d", "/a/b/c", "/a/b", "/a", "", NULL};
e203f7c3 LP	185	unsigned i;
fecffe5d	186	char s[PATH_MAX];
e203f7c3	187	bool b;
fecffe5d	188
e203f7c3 LP	189	i = 0;
e203f7c3 LP	190	PATH_FOREACH_PREFIX_MORE(s, "/a/b/c/d") {
fecffe5d LP	191	log_error("---%s---", s);
	192	assert_se(streq(s, values[i++]));
	193	}
e203f7c3	194	assert_se(values[i] == NULL);
fecffe5d	195
e203f7c3 LP	196	i = 1;
	197	PATH_FOREACH_PREFIX(s, "/a/b/c/d") {
	198	log_error("---%s---", s);
	199	assert_se(streq(s, values[i++]));
	200	}
fecffe5d LP	201	assert_se(values[i] == NULL);
	202
	203	i = 0;
e203f7c3	204	PATH_FOREACH_PREFIX_MORE(s, "////a////b////c///d///////")
fecffe5d	205	assert_se(streq(s, values[i++]));
e203f7c3	206	assert_se(values[i] == NULL);
fecffe5d	207
e203f7c3 LP	208	i = 1;
	209	PATH_FOREACH_PREFIX(s, "////a////b////c///d///////")
	210	assert_se(streq(s, values[i++]));
fecffe5d LP	211	assert_se(values[i] == NULL);
	212
	213	PATH_FOREACH_PREFIX(s, "////")
e203f7c3 LP	214	assert_not_reached("Wut?");
	215
	216	b = false;
	217	PATH_FOREACH_PREFIX_MORE(s, "////") {
	218	assert_se(!b);
fecffe5d	219	assert_se(streq(s, ""));
e203f7c3 LP	220	b = true;
	221	}
	222	assert_se(b);
fecffe5d LP	223
	224	PATH_FOREACH_PREFIX(s, "")
	225	assert_not_reached("wut?");
	226
e203f7c3 LP	227	b = false;
e203f7c3 LP	228	PATH_FOREACH_PREFIX_MORE(s, "") {
8d95631e FB	229	assert_se(!b);
8d95631e FB	230	assert_se(streq(s, ""));
e203f7c3 LP	231	b = true;
e203f7c3 LP	232	}
fecffe5d LP	233	}
fecffe5d LP	234
0c6ea3a4	235	static void test_path_join(void) {
59ae3a95 TA	236
	237	#define test_join(root, path, rest, expected) { \
	238	_cleanup_free_ char *z = NULL; \
	239	z = path_join(root, path, rest); \
	240	assert_se(streq(z, expected)); \
	241	}
	242
	243	test_join("/root", "/a/b", "/c", "/root/a/b/c");
	244	test_join("/root", "a/b", "c", "/root/a/b/c");
	245	test_join("/root", "/a/b", "c", "/root/a/b/c");
bc854dc7	246	test_join("/root", "/", "c", "/root/c");
59ae3a95 TA	247	test_join("/root", "/", NULL, "/root/");
	248
	249	test_join(NULL, "/a/b", "/c", "/a/b/c");
	250	test_join(NULL, "a/b", "c", "a/b/c");
	251	test_join(NULL, "/a/b", "c", "/a/b/c");
bc854dc7	252	test_join(NULL, "/", "c", "/c");
59ae3a95	253	test_join(NULL, "/", NULL, "/");
0c6ea3a4 ZJS	254	}
0c6ea3a4 ZJS	255
eb66db55 MG	256	static void test_fsck_exists(void) {
	257	/* Ensure we use a sane default for PATH. */
	258	unsetenv("PATH");
	259
	260	/* fsck.minix is provided by util-linux and will probably exist. */
85eca92e	261	assert_se(fsck_exists("minix") == 1);
eb66db55	262
85eca92e LP	263	assert_se(fsck_exists("AbCdE") == 0);
85eca92e LP	264	assert_se(fsck_exists("/../bin/") == 0);
eb66db55 MG	265	}
eb66db55 MG	266
6b56a651 TK	267	static void test_make_relative(void) {
	268	char *result;
	269
	270	assert_se(path_make_relative("some/relative/path", "/some/path", &result) < 0);
	271	assert_se(path_make_relative("/some/path", "some/relative/path", &result) < 0);
2a5beb66	272	assert_se(path_make_relative("/some/dotdot/../path", "/some/path", &result) < 0);
6b56a651	273
59ae3a95 TA	274	#define test(from_dir, to_path, expected) { \
	275	_cleanup_free_ char *z = NULL; \
	276	path_make_relative(from_dir, to_path, &z); \
	277	assert_se(streq(z, expected)); \
6b56a651 TK	278	}
	279
	280	test("/", "/", ".");
	281	test("/", "/some/path", "some/path");
	282	test("/some/path", "/some/path", ".");
	283	test("/some/path", "/some/path/in/subdir", "in/subdir");
	284	test("/some/path", "/", "../..");
	285	test("/some/path", "/some/other/path", "../other/path");
2a5beb66	286	test("/some/path/./dot", "/some/further/path", "../../further/path");
48054262	287	test("//extra.//.//./.slashes//./won't////fo.ol///anybody//", "/././/extra././/.slashes////ar.e/.just/././.fine///", "../../../ar.e/.just/.fine");
6b56a651 TK	288	}
6b56a651 TK	289
3e8a78c8 MM	290	static void test_strv_resolve(void) {
	291	char tmp_dir[] = "/tmp/test-path-util-XXXXXX";
	292	_cleanup_strv_free_ char **search_dirs = NULL;
	293	_cleanup_strv_free_ char **absolute_dirs = NULL;
	294	char **d;
	295
	296	assert_se(mkdtemp(tmp_dir) != NULL);
	297
	298	search_dirs = strv_new("/dir1", "/dir2", "/dir3", NULL);
	299	assert_se(search_dirs);
	300	STRV_FOREACH(d, search_dirs) {
	301	char p = strappend(tmp_dir, d);
	302	assert_se(p);
	303	assert_se(strv_push(&absolute_dirs, p) == 0);
	304	}
	305
	306	assert_se(mkdir(absolute_dirs[0], 0700) == 0);
	307	assert_se(mkdir(absolute_dirs[1], 0700) == 0);
	308	assert_se(symlink("dir2", absolute_dirs[2]) == 0);
	309
	310	path_strv_resolve(search_dirs, tmp_dir);
	311	assert_se(streq(search_dirs[0], "/dir1"));
	312	assert_se(streq(search_dirs[1], "/dir2"));
	313	assert_se(streq(search_dirs[2], "/dir2"));
	314
c6878637	315	assert_se(rm_rf(tmp_dir, REMOVE_ROOT\|REMOVE_PHYSICAL) == 0);
3e8a78c8 MM	316	}
3e8a78c8 MM	317
5895b62f	318	static void test_path_startswith(void) {
0470289b ZJS	319	const char *p;
	320
	321	p = path_startswith("/foo/bar/barfoo/", "/foo");
	322	assert_se(streq_ptr(p, "bar/barfoo/"));
	323
	324	p = path_startswith("/foo/bar/barfoo/", "/foo/");
	325	assert_se(streq_ptr(p, "bar/barfoo/"));
	326
	327	p = path_startswith("/foo/bar/barfoo/", "/");
	328	assert_se(streq_ptr(p, "foo/bar/barfoo/"));
	329
	330	p = path_startswith("/foo/bar/barfoo/", "////");
	331	assert_se(streq_ptr(p, "foo/bar/barfoo/"));
	332
	333	p = path_startswith("/foo/bar/barfoo/", "/foo//bar/////barfoo///");
	334	assert_se(streq_ptr(p, ""));
	335
	336	p = path_startswith("/foo/bar/barfoo/", "/foo/bar/barfoo////");
	337	assert_se(streq_ptr(p, ""));
	338
	339	p = path_startswith("/foo/bar/barfoo/", "/foo/bar///barfoo/");
	340	assert_se(streq_ptr(p, ""));
	341
	342	p = path_startswith("/foo/bar/barfoo/", "/foo////bar/barfoo/");
	343	assert_se(streq_ptr(p, ""));
	344
	345	p = path_startswith("/foo/bar/barfoo/", "////foo/bar/barfoo/");
	346	assert_se(streq_ptr(p, ""));
	347
	348	p = path_startswith("/foo/bar/barfoo/", "/foo/bar/barfoo");
	349	assert_se(streq_ptr(p, ""));
5895b62f RC	350
	351	assert_se(!path_startswith("/foo/bar/barfoo/", "/foo/bar/barfooa/"));
	352	assert_se(!path_startswith("/foo/bar/barfoo/", "/foo/bar/barfooa"));
	353	assert_se(!path_startswith("/foo/bar/barfoo/", ""));
	354	assert_se(!path_startswith("/foo/bar/barfoo/", "/bar/foo"));
	355	assert_se(!path_startswith("/foo/bar/barfoo/", "/f/b/b/"));
	356	}
	357
1d13f648 LP	358	static void test_prefix_root_one(const char r, const char p, const char *expected) {
	359	_cleanup_free_ char *s = NULL;
	360	const char *t;
	361
	362	assert_se(s = prefix_root(r, p));
	363	assert_se(streq_ptr(s, expected));
	364
	365	t = prefix_roota(r, p);
	366	assert_se(t);
	367	assert_se(streq_ptr(t, expected));
	368	}
	369
	370	static void test_prefix_root(void) {
	371	test_prefix_root_one("/", "/foo", "/foo");
	372	test_prefix_root_one(NULL, "/foo", "/foo");
	373	test_prefix_root_one("", "/foo", "/foo");
	374	test_prefix_root_one("///", "/foo", "/foo");
	375	test_prefix_root_one("/", "////foo", "/foo");
	376	test_prefix_root_one(NULL, "////foo", "/foo");
	377
	378	test_prefix_root_one("/foo", "/bar", "/foo/bar");
	379	test_prefix_root_one("/foo", "bar", "/foo/bar");
	380	test_prefix_root_one("foo", "bar", "foo/bar");
	381	test_prefix_root_one("/foo/", "/bar", "/foo/bar");
	382	test_prefix_root_one("/foo/", "//bar", "/foo/bar");
	383	test_prefix_root_one("/foo///", "//bar", "/foo/bar");
	384	}
	385
63292663 RC	386	static void test_file_in_same_dir(void) {
	387	char *t;
	388
	389	t = file_in_same_dir("/", "a");
	390	assert_se(streq(t, "/a"));
	391	free(t);
	392
	393	t = file_in_same_dir("/", "/a");
	394	assert_se(streq(t, "/a"));
	395	free(t);
	396
	397	t = file_in_same_dir("", "a");
	398	assert_se(streq(t, "a"));
	399	free(t);
	400
	401	t = file_in_same_dir("a/", "a");
	402	assert_se(streq(t, "a/a"));
	403	free(t);
	404
	405	t = file_in_same_dir("bar/foo", "bar");
	406	assert_se(streq(t, "bar/bar"));
	407	free(t);
	408	}
	409
b12d25a8 ZJS	410	static void test_last_path_component(void) {
	411	assert_se(streq(last_path_component("a/b/c"), "c"));
	412	assert_se(streq(last_path_component("a/b/c/"), "c/"));
	413	assert_se(streq(last_path_component("/"), "/"));
	414	assert_se(streq(last_path_component("//"), "/"));
	415	assert_se(streq(last_path_component("///"), "/"));
	416	assert_se(streq(last_path_component("."), "."));
	417	assert_se(streq(last_path_component("./."), "."));
	418	assert_se(streq(last_path_component("././"), "./"));
	419	assert_se(streq(last_path_component("././/"), ".//"));
	420	assert_se(streq(last_path_component("/foo/a"), "a"));
	421	assert_se(streq(last_path_component("/foo/a/"), "a/"));
69f9ccf1	422	assert_se(streq(last_path_component(""), ""));
8460289f LP	423	assert_se(streq(last_path_component("a"), "a"));
	424	assert_se(streq(last_path_component("a/"), "a/"));
	425	assert_se(streq(last_path_component("/a"), "a"));
	426	assert_se(streq(last_path_component("/a/"), "a/"));
b12d25a8 ZJS	427	}
b12d25a8 ZJS	428
63292663 RC	429	static void test_filename_is_valid(void) {
	430	char foo[FILENAME_MAX+2];
	431	int i;
	432
	433	assert_se(!filename_is_valid(""));
	434	assert_se(!filename_is_valid("/bar/foo"));
	435	assert_se(!filename_is_valid("/"));
	436	assert_se(!filename_is_valid("."));
	437	assert_se(!filename_is_valid(".."));
	438
	439	for (i=0; i<FILENAME_MAX+1; i++)
	440	foo[i] = 'a';
	441	foo[FILENAME_MAX+1] = '\0';
	442
	443	assert_se(!filename_is_valid(foo));
	444
	445	assert_se(filename_is_valid("foo_bar-333"));
	446	assert_se(filename_is_valid("o.o"));
	447	}
	448
b05b9cde ZJS	449	static void test_hidden_or_backup_file(void) {
	450	assert_se(hidden_or_backup_file(".hidden"));
	451	assert_se(hidden_or_backup_file("..hidden"));
	452	assert_se(!hidden_or_backup_file("hidden."));
	453
	454	assert_se(hidden_or_backup_file("backup~"));
	455	assert_se(hidden_or_backup_file(".backup~"));
	456
	457	assert_se(hidden_or_backup_file("lost+found"));
	458	assert_se(hidden_or_backup_file("aquota.user"));
	459	assert_se(hidden_or_backup_file("aquota.group"));
	460
	461	assert_se(hidden_or_backup_file("test.rpmnew"));
	462	assert_se(hidden_or_backup_file("test.dpkg-old"));
	463	assert_se(hidden_or_backup_file("test.dpkg-remove"));
	464	assert_se(hidden_or_backup_file("test.swp"));
	465
	466	assert_se(!hidden_or_backup_file("test.rpmnew."));
	467	assert_se(!hidden_or_backup_file("test.dpkg-old.foo"));
	468	}
	469
5a46d55f ZJS	470	static void test_systemd_installation_has_version(const char *path) {
	471	int r;
	472	const unsigned versions[] = {0, 231, atoi(PACKAGE_VERSION), 999};
	473	unsigned i;
	474
	475	for (i = 0; i < ELEMENTSOF(versions); i++) {
	476	r = systemd_installation_has_version(path, versions[i]);
	477	assert_se(r >= 0);
	478	log_info("%s has systemd >= %u: %s",
	479	path ?: "Current installation", versions[i], yes_no(r));
	480	}
	481	}
	482
a119ec7c LP	483	static void test_skip_dev_prefix(void) {
	484
	485	assert_se(streq(skip_dev_prefix("/"), "/"));
	486	assert_se(streq(skip_dev_prefix("/dev"), ""));
	487	assert_se(streq(skip_dev_prefix("/dev/"), ""));
	488	assert_se(streq(skip_dev_prefix("/dev/foo"), "foo"));
	489	assert_se(streq(skip_dev_prefix("/dev/foo/bar"), "foo/bar"));
	490	assert_se(streq(skip_dev_prefix("//dev"), ""));
	491	assert_se(streq(skip_dev_prefix("//dev//"), ""));
	492	assert_se(streq(skip_dev_prefix("/dev///foo"), "foo"));
	493	assert_se(streq(skip_dev_prefix("///dev///foo///bar"), "foo///bar"));
	494	assert_se(streq(skip_dev_prefix("//foo"), "//foo"));
	495	assert_se(streq(skip_dev_prefix("foo"), "foo"));
	496	}
	497
57ea45e1 LP	498	static void test_empty_or_root(void) {
	499	assert_se(empty_or_root(NULL));
	500	assert_se(empty_or_root(""));
	501	assert_se(empty_or_root("/"));
	502	assert_se(empty_or_root("//"));
	503	assert_se(empty_or_root("///"));
	504	assert_se(empty_or_root("/////////////////"));
	505	assert_se(!empty_or_root("xxx"));
	506	assert_se(!empty_or_root("/xxx"));
	507	assert_se(!empty_or_root("/xxx/"));
	508	assert_se(!empty_or_root("//yy//"));
	509	}
	510
7f076504	511	int main(int argc, char **argv) {
5a46d55f ZJS	512	log_set_max_level(LOG_DEBUG);
	513	log_parse_environment();
	514	log_open();
	515
76877b46	516	test_path();
84e72b5e	517	test_path_equal_root();
85eca92e	518	test_find_binary(argv[0]);
fecffe5d	519	test_prefixes();
0c6ea3a4	520	test_path_join();
eb66db55	521	test_fsck_exists();
6b56a651	522	test_make_relative();
3e8a78c8	523	test_strv_resolve();
5895b62f	524	test_path_startswith();
1d13f648	525	test_prefix_root();
63292663	526	test_file_in_same_dir();
b12d25a8	527	test_last_path_component();
63292663	528	test_filename_is_valid();
b05b9cde	529	test_hidden_or_backup_file();
a119ec7c	530	test_skip_dev_prefix();
57ea45e1	531	test_empty_or_root();
5895b62f	532
5a46d55f ZJS	533	test_systemd_installation_has_version(argv[1]); /* NULL is OK */
5a46d55f ZJS	534
76877b46 ZJS	535	return 0;
76877b46 ZJS	536	}