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

/* SPDX-License-Identifier: LGPL-2.1+ */

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