+static void test_hostname_is_valid(void) {
+ assert_se(hostname_is_valid("foobar"));
+ assert_se(hostname_is_valid("foobar.com"));
+ assert_se(!hostname_is_valid("fööbar"));
+ assert_se(!hostname_is_valid(""));
+ assert_se(!hostname_is_valid("."));
+ assert_se(!hostname_is_valid(".."));
+ assert_se(!hostname_is_valid("foobar."));
+ assert_se(!hostname_is_valid(".foobar"));
+ assert_se(!hostname_is_valid("foo..bar"));
+ assert_se(!hostname_is_valid("xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"));
+}
+
+static void test_u64log2(void) {
+ assert_se(u64log2(0) == 0);
+ assert_se(u64log2(8) == 3);
+ assert_se(u64log2(9) == 3);
+ assert_se(u64log2(15) == 3);
+ assert_se(u64log2(16) == 4);
+ assert_se(u64log2(1024*1024) == 20);
+ assert_se(u64log2(1024*1024+5) == 20);
+}
+
+static void test_get_process_comm(void) {
+ struct stat st;
+ _cleanup_free_ char *a = NULL, *c = NULL, *d = NULL, *f = NULL, *i = NULL, *cwd = NULL, *root = NULL;
+ _cleanup_free_ char *env = NULL;
+ pid_t e;
+ uid_t u;
+ gid_t g;
+ dev_t h;
+ int r;
+ pid_t me;
+
+ if (stat("/proc/1/comm", &st) == 0) {
+ assert_se(get_process_comm(1, &a) >= 0);
+ log_info("pid1 comm: '%s'", a);
+ } else {
+ log_warning("/proc/1/comm does not exist.");
+ }
+
+ assert_se(get_process_cmdline(1, 0, true, &c) >= 0);
+ log_info("pid1 cmdline: '%s'", c);
+
+ assert_se(get_process_cmdline(1, 8, false, &d) >= 0);
+ log_info("pid1 cmdline truncated: '%s'", d);
+
+ assert_se(get_parent_of_pid(1, &e) >= 0);
+ log_info("pid1 ppid: "PID_FMT, e);
+ assert_se(e == 0);
+
+ assert_se(is_kernel_thread(1) == 0);
+
+ r = get_process_exe(1, &f);
+ assert_se(r >= 0 || r == -EACCES);
+ log_info("pid1 exe: '%s'", strna(f));
+
+ assert_se(get_process_uid(1, &u) == 0);
+ log_info("pid1 uid: "UID_FMT, u);
+ assert_se(u == 0);
+
+ assert_se(get_process_gid(1, &g) == 0);
+ log_info("pid1 gid: "GID_FMT, g);
+ assert_se(g == 0);
+
+ me = getpid();
+
+ r = get_process_cwd(me, &cwd);
+ assert_se(r >= 0 || r == -EACCES);
+ log_info("pid1 cwd: '%s'", cwd);
+
+ r = get_process_root(me, &root);
+ assert_se(r >= 0 || r == -EACCES);
+ log_info("pid1 root: '%s'", root);
+
+ r = get_process_environ(me, &env);
+ assert_se(r >= 0 || r == -EACCES);
+ log_info("self strlen(environ): '%zd'", strlen(env));
+
+ if (!detect_container(NULL))
+ assert_se(get_ctty_devnr(1, &h) == -ENOENT);
+
+ getenv_for_pid(1, "PATH", &i);
+ log_info("pid1 $PATH: '%s'", strna(i));
+}
+
+static void test_protect_errno(void) {
+ errno = 12;
+ {
+ PROTECT_ERRNO;
+ errno = 11;
+ }
+ assert_se(errno == 12);
+}
+
+static void test_parse_size(void) {
+ off_t bytes;
+
+ assert_se(parse_size("111", 1024, &bytes) == 0);
+ assert_se(bytes == 111);
+
+ assert_se(parse_size("111.4", 1024, &bytes) == 0);
+ assert_se(bytes == 111);
+
+ assert_se(parse_size(" 112 B", 1024, &bytes) == 0);
+ assert_se(bytes == 112);
+
+ assert_se(parse_size(" 112.6 B", 1024, &bytes) == 0);
+ assert_se(bytes == 112);
+
+ assert_se(parse_size("3.5 K", 1024, &bytes) == 0);
+ assert_se(bytes == 3*1024 + 512);
+
+ assert_se(parse_size("3. K", 1024, &bytes) == 0);
+ assert_se(bytes == 3*1024);
+
+ assert_se(parse_size("3.0 K", 1024, &bytes) == 0);
+ assert_se(bytes == 3*1024);
+
+ assert_se(parse_size("3. 0 K", 1024, &bytes) == -EINVAL);
+
+ assert_se(parse_size(" 4 M 11.5K", 1024, &bytes) == 0);
+ assert_se(bytes == 4*1024*1024 + 11 * 1024 + 512);
+
+ assert_se(parse_size("3B3.5G", 1024, &bytes) == -EINVAL);
+
+ assert_se(parse_size("3.5G3B", 1024, &bytes) == 0);
+ assert_se(bytes == 3ULL*1024*1024*1024 + 512*1024*1024 + 3);
+
+ assert_se(parse_size("3.5G 4B", 1024, &bytes) == 0);
+ assert_se(bytes == 3ULL*1024*1024*1024 + 512*1024*1024 + 4);
+
+ assert_se(parse_size("3B3G4T", 1024, &bytes) == -EINVAL);
+
+ assert_se(parse_size("4T3G3B", 1024, &bytes) == 0);
+ assert_se(bytes == (4ULL*1024 + 3)*1024*1024*1024 + 3);
+
+ assert_se(parse_size(" 4 T 3 G 3 B", 1024, &bytes) == 0);
+ assert_se(bytes == (4ULL*1024 + 3)*1024*1024*1024 + 3);
+
+ assert_se(parse_size("12P", 1024, &bytes) == 0);
+ assert_se(bytes == 12ULL * 1024*1024*1024*1024*1024);
+
+ assert_se(parse_size("12P12P", 1024, &bytes) == -EINVAL);
+
+ assert_se(parse_size("3E 2P", 1024, &bytes) == 0);
+ assert_se(bytes == (3 * 1024 + 2ULL) * 1024*1024*1024*1024*1024);
+
+ assert_se(parse_size("12X", 1024, &bytes) == -EINVAL);
+
+ assert_se(parse_size("12.5X", 1024, &bytes) == -EINVAL);
+
+ assert_se(parse_size("12.5e3", 1024, &bytes) == -EINVAL);
+
+ assert_se(parse_size("1024E", 1024, &bytes) == -ERANGE);
+ assert_se(parse_size("-1", 1024, &bytes) == -ERANGE);
+ assert_se(parse_size("-1024E", 1024, &bytes) == -ERANGE);
+
+ assert_se(parse_size("-1024P", 1024, &bytes) == -ERANGE);
+
+ assert_se(parse_size("-10B 20K", 1024, &bytes) == -ERANGE);
+}
+
+static void test_config_parse_iec_off(void) {
+ off_t offset = 0;
+ assert_se(config_parse_iec_off(NULL, "/this/file", 11, "Section", 22, "Size", 0, "4M", &offset, NULL) == 0);
+ assert_se(offset == 4 * 1024 * 1024);
+
+ assert_se(config_parse_iec_off(NULL, "/this/file", 11, "Section", 22, "Size", 0, "4.5M", &offset, NULL) == 0);
+}
+
+static void test_strextend(void) {
+ _cleanup_free_ char *str = strdup("0123");
+ strextend(&str, "456", "78", "9", NULL);
+ assert_se(streq(str, "0123456789"));
+}
+
+static void test_strrep(void) {
+ _cleanup_free_ char *one, *three, *zero;
+ one = strrep("waldo", 1);
+ three = strrep("waldo", 3);
+ zero = strrep("waldo", 0);
+
+ assert_se(streq(one, "waldo"));
+ assert_se(streq(three, "waldowaldowaldo"));
+ assert_se(streq(zero, ""));
+}
+
+static void test_split_pair(void) {
+ _cleanup_free_ char *a = NULL, *b = NULL;
+
+ assert_se(split_pair("", "", &a, &b) == -EINVAL);
+ assert_se(split_pair("foo=bar", "", &a, &b) == -EINVAL);
+ assert_se(split_pair("", "=", &a, &b) == -EINVAL);
+ assert_se(split_pair("foo=bar", "=", &a, &b) >= 0);
+ assert_se(streq(a, "foo"));
+ assert_se(streq(b, "bar"));
+ free(a);
+ free(b);
+ assert_se(split_pair("==", "==", &a, &b) >= 0);
+ assert_se(streq(a, ""));
+ assert_se(streq(b, ""));
+ free(a);
+ free(b);
+
+ assert_se(split_pair("===", "==", &a, &b) >= 0);
+ assert_se(streq(a, ""));
+ assert_se(streq(b, "="));
+}
+
+static void test_fstab_node_to_udev_node(void) {
+ char *n;
+
+ n = fstab_node_to_udev_node("LABEL=applé/jack");
+ puts(n);
+ assert_se(streq(n, "/dev/disk/by-label/applé\\x2fjack"));
+ free(n);
+
+ n = fstab_node_to_udev_node("PARTLABEL=pinkié pie");
+ puts(n);
+ assert_se(streq(n, "/dev/disk/by-partlabel/pinkié\\x20pie"));
+ free(n);
+
+ n = fstab_node_to_udev_node("UUID=037b9d94-148e-4ee4-8d38-67bfe15bb535");
+ puts(n);
+ assert_se(streq(n, "/dev/disk/by-uuid/037b9d94-148e-4ee4-8d38-67bfe15bb535"));
+ free(n);
+
+ n = fstab_node_to_udev_node("PARTUUID=037b9d94-148e-4ee4-8d38-67bfe15bb535");
+ puts(n);
+ assert_se(streq(n, "/dev/disk/by-partuuid/037b9d94-148e-4ee4-8d38-67bfe15bb535"));
+ free(n);
+
+ n = fstab_node_to_udev_node("PONIES=awesome");
+ puts(n);
+ assert_se(streq(n, "PONIES=awesome"));
+ free(n);
+
+ n = fstab_node_to_udev_node("/dev/xda1");
+ puts(n);
+ assert_se(streq(n, "/dev/xda1"));
+ free(n);
+}
+
+static void test_get_files_in_directory(void) {
+ _cleanup_strv_free_ char **l = NULL, **t = NULL;
+
+ assert_se(get_files_in_directory("/tmp", &l) >= 0);
+ assert_se(get_files_in_directory(".", &t) >= 0);
+ assert_se(get_files_in_directory(".", NULL) >= 0);
+}
+
+static void test_in_set(void) {
+ assert_se(IN_SET(1, 1));
+ assert_se(IN_SET(1, 1, 2, 3, 4));
+ assert_se(IN_SET(2, 1, 2, 3, 4));
+ assert_se(IN_SET(3, 1, 2, 3, 4));
+ assert_se(IN_SET(4, 1, 2, 3, 4));
+ assert_se(!IN_SET(0, 1));
+ assert_se(!IN_SET(0, 1, 2, 3, 4));
+}
+
+static void test_writing_tmpfile(void) {
+ char name[] = "/tmp/test-systemd_writing_tmpfile.XXXXXX";
+ _cleanup_free_ char *contents = NULL;
+ size_t size;
+ int fd, r;
+ struct iovec iov[3];
+
+ IOVEC_SET_STRING(iov[0], "abc\n");
+ IOVEC_SET_STRING(iov[1], ALPHANUMERICAL "\n");
+ IOVEC_SET_STRING(iov[2], "");
+
+ fd = mkostemp_safe(name, O_RDWR|O_CLOEXEC);
+ printf("tmpfile: %s", name);
+
+ r = writev(fd, iov, 3);
+ assert_se(r >= 0);
+
+ r = read_full_file(name, &contents, &size);
+ assert_se(r == 0);
+ printf("contents: %s", contents);
+ assert_se(streq(contents, "abc\n" ALPHANUMERICAL "\n"));
+
+ unlink(name);
+}
+
+static void test_hexdump(void) {
+ uint8_t data[146];
+ unsigned i;
+
+ hexdump(stdout, NULL, 0);
+ hexdump(stdout, "", 0);
+ hexdump(stdout, "", 1);
+ hexdump(stdout, "x", 1);
+ hexdump(stdout, "x", 2);
+ hexdump(stdout, "foobar", 7);
+ hexdump(stdout, "f\nobar", 7);
+ hexdump(stdout, "xxxxxxxxxxxxxxxxxxxxyz", 23);
+
+ for (i = 0; i < ELEMENTSOF(data); i++)
+ data[i] = i*2;
+
+ hexdump(stdout, data, sizeof(data));
+}
+
+static void test_log2i(void) {
+ assert_se(log2i(1) == 0);
+ assert_se(log2i(2) == 1);
+ assert_se(log2i(3) == 1);
+ assert_se(log2i(4) == 2);
+ assert_se(log2i(32) == 5);
+ assert_se(log2i(33) == 5);
+ assert_se(log2i(63) == 5);
+ assert_se(log2i(INT_MAX) == sizeof(int)*8-2);
+}
+
+static void test_foreach_string(void) {
+ const char * const t[] = {
+ "foo",
+ "bar",
+ "waldo",
+ NULL
+ };
+ const char *x;
+ unsigned i = 0;
+
+ FOREACH_STRING(x, "foo", "bar", "waldo")
+ assert_se(streq_ptr(t[i++], x));
+
+ assert_se(i == 3);
+
+ FOREACH_STRING(x, "zzz")
+ assert_se(streq(x, "zzz"));
+}
+
+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_string_has_cc(void) {
+ assert_se(string_has_cc("abc\1", NULL));
+ assert_se(string_has_cc("abc\x7f", NULL));
+ assert_se(string_has_cc("abc\x7f", NULL));
+ assert_se(string_has_cc("abc\t\x7f", "\t"));
+ assert_se(string_has_cc("abc\t\x7f", "\t"));
+ assert_se(string_has_cc("\x7f", "\t"));
+ assert_se(string_has_cc("\x7f", "\t\a"));
+
+ assert_se(!string_has_cc("abc\t\t", "\t"));
+ assert_se(!string_has_cc("abc\t\t\a", "\t\a"));
+ assert_se(!string_has_cc("a\ab\tc", "\t\a"));
+}
+
+static void test_ascii_strlower(void) {
+ char a[] = "AabBcC Jk Ii Od LKJJJ kkd LK";
+ assert_se(streq(ascii_strlower(a), "aabbcc jk ii od lkjjj kkd lk"));
+}
+
+static void test_files_same(void) {
+ _cleanup_close_ int fd = -1;
+ char name[] = "/tmp/test-files_same.XXXXXX";
+ char name_alias[] = "/tmp/test-files_same.alias";
+
+ fd = mkostemp_safe(name, O_RDWR|O_CLOEXEC);
+ assert_se(fd >= 0);
+ assert_se(symlink(name, name_alias) >= 0);
+
+ assert_se(files_same(name, name));
+ assert_se(files_same(name, name_alias));
+
+ unlink(name);
+ unlink(name_alias);
+}
+
+static void test_is_valid_documentation_url(void) {
+ assert_se(documentation_url_is_valid("http://www.freedesktop.org/wiki/Software/systemd"));
+ assert_se(documentation_url_is_valid("https://www.kernel.org/doc/Documentation/binfmt_misc.txt"));
+ assert_se(documentation_url_is_valid("file:/foo/foo"));
+ assert_se(documentation_url_is_valid("man:systemd.special(7)"));
+ assert_se(documentation_url_is_valid("info:bar"));
+
+ assert_se(!documentation_url_is_valid("foo:"));
+ assert_se(!documentation_url_is_valid("info:"));
+ assert_se(!documentation_url_is_valid(""));
+}
+
+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_endswith(void) {
+ assert_se(endswith("foobar", "bar"));
+ assert_se(endswith("foobar", ""));
+ assert_se(endswith("foobar", "foobar"));
+ assert_se(endswith("", ""));
+
+ assert_se(!endswith("foobar", "foo"));
+ assert_se(!endswith("foobar", "foobarfoofoo"));
+}
+
+static void test_close_nointr(void) {
+ char name[] = "/tmp/test-test-close_nointr.XXXXXX";
+ int fd;
+
+ fd = mkostemp_safe(name, O_RDWR|O_CLOEXEC);
+ assert_se(fd >= 0);
+ assert_se(close_nointr(fd) >= 0);
+ assert_se(close_nointr(fd) < 0);
+
+ unlink(name);
+}
+
+
+static void test_unlink_noerrno(void) {
+ char name[] = "/tmp/test-close_nointr.XXXXXX";
+ int fd;
+
+ fd = mkostemp_safe(name, O_RDWR|O_CLOEXEC);
+ assert_se(fd >= 0);
+ assert_se(close_nointr(fd) >= 0);
+
+ {
+ PROTECT_ERRNO;
+ errno = -42;
+ assert_se(unlink_noerrno(name) >= 0);
+ assert_se(errno == -42);
+ assert_se(unlink_noerrno(name) < 0);
+ assert_se(errno == -42);
+ }
+}
+
+static void test_readlink_and_make_absolute(void) {
+ char tempdir[] = "/tmp/test-readlink_and_make_absolute";
+ char name[] = "/tmp/test-readlink_and_make_absolute/original";
+ char name2[] = "test-readlink_and_make_absolute/original";
+ char name_alias[] = "/tmp/test-readlink_and_make_absolute-alias";
+ char *r = NULL;
+
+ assert_se(mkdir_safe(tempdir, 0755, getuid(), getgid()) >= 0);
+ assert_se(touch(name) >= 0);
+
+ assert_se(symlink(name, name_alias) >= 0);
+ assert_se(readlink_and_make_absolute(name_alias, &r) >= 0);
+ assert_se(streq(r, name));
+ free(r);
+ assert_se(unlink(name_alias) >= 0);
+
+ assert_se(chdir(tempdir) >= 0);
+ assert_se(symlink(name2, name_alias) >= 0);
+ assert_se(readlink_and_make_absolute(name_alias, &r) >= 0);
+ assert_se(streq(r, name));
+ free(r);
+ assert_se(unlink(name_alias) >= 0);
+
+ assert_se(rm_rf_dangerous(tempdir, false, true, false) >= 0);
+}
+
+static void test_read_one_char(void) {
+ _cleanup_fclose_ FILE *file = NULL;
+ char r;
+ bool need_nl;
+ char name[] = "/tmp/test-read_one_char.XXXXXX";
+ int fd;
+
+ fd = mkostemp_safe(name, O_RDWR|O_CLOEXEC);
+ assert_se(fd >= 0);
+ file = fdopen(fd, "r+");
+ assert_se(file);
+ assert_se(fputs("c\n", file) >= 0);
+ rewind(file);
+
+ assert_se(read_one_char(file, &r, 1000000, &need_nl) >= 0);
+ assert_se(!need_nl);
+ assert_se(r == 'c');
+ assert_se(read_one_char(file, &r, 1000000, &need_nl) < 0);
+
+ rewind(file);
+ assert_se(fputs("foobar\n", file) >= 0);
+ rewind(file);
+ assert_se(read_one_char(file, &r, 1000000, &need_nl) < 0);
+
+ rewind(file);
+ assert_se(fputs("\n", file) >= 0);
+ rewind(file);
+ assert_se(read_one_char(file, &r, 1000000, &need_nl) < 0);
+
+ unlink(name);
+}
+
+static void test_ignore_signals(void) {
+ assert_se(ignore_signals(SIGINT, -1) >= 0);
+ assert_se(kill(getpid(), SIGINT) >= 0);
+ assert_se(ignore_signals(SIGUSR1, SIGUSR2, SIGTERM, SIGPIPE, -1) >= 0);
+ assert_se(kill(getpid(), SIGUSR1) >= 0);
+ assert_se(kill(getpid(), SIGUSR2) >= 0);
+ assert_se(kill(getpid(), SIGTERM) >= 0);
+ assert_se(kill(getpid(), SIGPIPE) >= 0);
+ assert_se(default_signals(SIGINT, SIGUSR1, SIGUSR2, SIGTERM, SIGPIPE, -1) >= 0);
+}
+
+static void test_strshorten(void) {
+ char s[] = "foobar";
+
+ assert_se(strlen(strshorten(s, 6)) == 6);
+ assert_se(strlen(strshorten(s, 12)) == 6);
+ assert_se(strlen(strshorten(s, 2)) == 2);
+ assert_se(strlen(strshorten(s, 0)) == 0);
+}
+
+static void test_strappenda(void) {
+ char *actual;
+
+ actual = strappenda("", "foo", "bar");
+ assert_se(streq(actual, "foobar"));
+
+ actual = strappenda("foo", "bar", "baz");
+ assert_se(streq(actual, "foobarbaz"));
+
+ actual = strappenda("foo", "", "bar", "baz");
+ assert_se(streq(actual, "foobarbaz"));
+}
+
+static void test_is_symlink(void) {
+ char name[] = "/tmp/test-is_symlink.XXXXXX";
+ char name_link[] = "/tmp/test-is_symlink.link";
+ _cleanup_close_ int fd = -1;
+
+ fd = mkostemp_safe(name, O_RDWR|O_CLOEXEC);
+ assert_se(fd >= 0);
+ assert_se(symlink(name, name_link) >= 0);
+
+ assert_se(is_symlink(name) == 0);
+ assert_se(is_symlink(name_link) == 1);
+ assert_se(is_symlink("/a/file/which/does/not/exist/i/guess") < 0);
+
+
+ unlink(name);
+ unlink(name_link);
+}
+
+static void test_pid_is_unwaited(void) {
+ pid_t pid;
+
+ pid = fork();
+ assert_se(pid >= 0);
+ if (pid == 0) {
+ _exit(EXIT_SUCCESS);
+ } else {
+ int status;
+
+ waitpid(pid, &status, 0);
+ assert_se(!pid_is_unwaited(pid));
+ }
+ assert_se(pid_is_unwaited(getpid()));
+ assert_se(!pid_is_unwaited(-1));
+}
+
+static void test_pid_is_alive(void) {
+ pid_t pid;
+
+ pid = fork();
+ assert_se(pid >= 0);
+ if (pid == 0) {
+ _exit(EXIT_SUCCESS);
+ } else {
+ int status;
+
+ waitpid(pid, &status, 0);
+ assert_se(!pid_is_alive(pid));
+ }
+ assert_se(pid_is_alive(getpid()));
+ assert_se(!pid_is_alive(-1));
+}
+
+static void test_search_and_fopen(void) {
+ const char *dirs[] = {"/tmp/foo/bar", "/tmp", NULL};
+ char name[] = "/tmp/test-search_and_fopen.XXXXXX";
+ int fd = -1;
+ int r;
+ FILE *f;
+
+ fd = mkostemp_safe(name, O_RDWR|O_CLOEXEC);
+ assert_se(fd >= 0);
+ close(fd);
+
+ r = search_and_fopen(basename(name), "r", NULL, dirs, &f);
+ assert_se(r >= 0);
+ fclose(f);
+
+ r = search_and_fopen(name, "r", NULL, dirs, &f);
+ assert_se(r >= 0);
+ fclose(f);
+
+ r = search_and_fopen(basename(name), "r", "/", dirs, &f);
+ assert_se(r >= 0);
+ fclose(f);
+
+ r = search_and_fopen("/a/file/which/does/not/exist/i/guess", "r", NULL, dirs, &f);
+ assert_se(r < 0);
+ r = search_and_fopen("afilewhichdoesnotexistiguess", "r", NULL, dirs, &f);
+ assert_se(r < 0);
+
+ r = unlink(name);
+ assert_se(r == 0);
+
+ r = search_and_fopen(basename(name), "r", NULL, dirs, &f);
+ assert_se(r < 0);
+}
+
+
+static void test_search_and_fopen_nulstr(void) {
+ const char dirs[] = "/tmp/foo/bar\0/tmp\0";
+ char name[] = "/tmp/test-search_and_fopen.XXXXXX";
+ int fd = -1;
+ int r;
+ FILE *f;
+
+ fd = mkostemp_safe(name, O_RDWR|O_CLOEXEC);
+ assert_se(fd >= 0);
+ close(fd);
+
+ r = search_and_fopen_nulstr(basename(name), "r", NULL, dirs, &f);
+ assert_se(r >= 0);
+ fclose(f);
+
+ r = search_and_fopen_nulstr(name, "r", NULL, dirs, &f);
+ assert_se(r >= 0);
+ fclose(f);
+
+ r = search_and_fopen_nulstr("/a/file/which/does/not/exist/i/guess", "r", NULL, dirs, &f);
+ assert_se(r < 0);
+ r = search_and_fopen_nulstr("afilewhichdoesnotexistiguess", "r", NULL, dirs, &f);
+ assert_se(r < 0);
+
+ r = unlink(name);
+ assert_se(r == 0);
+
+ r = search_and_fopen_nulstr(basename(name), "r", NULL, dirs, &f);
+ assert_se(r < 0);
+}
+
+static void test_glob_exists(void) {
+ char name[] = "/tmp/test-glob_exists.XXXXXX";
+ int fd = -1;
+ int r;
+
+ fd = mkostemp_safe(name, O_RDWR|O_CLOEXEC);
+ assert_se(fd >= 0);
+ close(fd);
+
+ r = glob_exists("/tmp/test-glob_exists*");
+ assert_se(r == 1);
+
+ r = unlink(name);
+ assert_se(r == 0);
+ r = glob_exists("/tmp/test-glob_exists*");
+ assert_se(r == 0);
+}
+
+static void test_execute_directory(void) {
+ char template_lo[] = "/tmp/test-readlink_and_make_absolute-lo.XXXXXXX";
+ char template_hi[] = "/tmp/test-readlink_and_make_absolute-hi.XXXXXXX";
+ const char const* dirs[] = {template_hi, template_lo, NULL};
+ const char *name, *name2, *name3, *overridden, *override, *masked, *mask;
+
+ assert_se(mkdtemp(template_lo));
+ assert_se(mkdtemp(template_hi));
+
+ name = strappenda(template_lo, "/script");
+ name2 = strappenda(template_hi, "/script2");
+ name3 = strappenda(template_lo, "/useless");
+ overridden = strappenda(template_lo, "/overridden");
+ override = strappenda(template_hi, "/overridden");
+ masked = strappenda(template_lo, "/masked");
+ mask = strappenda(template_hi, "/masked");
+
+ assert_se(write_string_file(name, "#!/bin/sh\necho 'Executing '$0\ntouch $(dirname $0)/it_works") == 0);
+ assert_se(write_string_file(name2, "#!/bin/sh\necho 'Executing '$0\ntouch $(dirname $0)/it_works2") == 0);
+ assert_se(write_string_file(overridden, "#!/bin/sh\necho 'Executing '$0\ntouch $(dirname $0)/failed") == 0);
+ assert_se(write_string_file(override, "#!/bin/sh\necho 'Executing '$0") == 0);
+ assert_se(write_string_file(masked, "#!/bin/sh\necho 'Executing '$0\ntouch $(dirname $0)/failed") == 0);
+ assert_se(symlink("/dev/null", mask) == 0);
+ assert_se(chmod(name, 0755) == 0);
+ assert_se(chmod(name2, 0755) == 0);
+ assert_se(chmod(overridden, 0755) == 0);
+ assert_se(chmod(override, 0755) == 0);
+ assert_se(chmod(masked, 0755) == 0);
+ assert_se(touch(name3) >= 0);
+
+ execute_directories(dirs, DEFAULT_TIMEOUT_USEC, NULL);
+
+ assert(chdir(template_lo) == 0);
+ assert_se(access("it_works", F_OK) >= 0);
+ assert_se(access("failed", F_OK) < 0);
+
+ assert(chdir(template_hi) == 0);
+ assert_se(access("it_works2", F_OK) >= 0);
+ assert_se(access("failed", F_OK) < 0);
+
+ rm_rf_dangerous(template_lo, false, true, false);
+ rm_rf_dangerous(template_hi, false, true, false);
+}
+
+static void test_unquote_first_word(void) {
+ const char *p, *original;
+ char *t;
+
+ p = original = "foobar waldo";
+ assert_se(unquote_first_word(&p, &t, false) > 0);
+ assert_se(streq(t, "foobar"));
+ free(t);
+ assert_se(p == original + 7);
+
+ assert_se(unquote_first_word(&p, &t, false) > 0);
+ assert_se(streq(t, "waldo"));
+ free(t);
+ assert_se(p == original + 12);
+
+ assert_se(unquote_first_word(&p, &t, false) == 0);
+ assert_se(!t);
+ assert_se(p == original + 12);
+
+ p = original = "\"foobar\" \'waldo\'";
+ assert_se(unquote_first_word(&p, &t, false) > 0);
+ assert_se(streq(t, "foobar"));
+ free(t);
+ assert_se(p == original + 9);
+
+ assert_se(unquote_first_word(&p, &t, false) > 0);
+ assert_se(streq(t, "waldo"));
+ free(t);
+ assert_se(p == original + 16);
+
+ assert_se(unquote_first_word(&p, &t, false) == 0);
+ assert_se(!t);
+ assert_se(p == original + 16);
+
+ p = original = "\"";
+ assert_se(unquote_first_word(&p, &t, false) == -EINVAL);
+ assert_se(p == original + 1);
+
+ p = original = "\'";
+ assert_se(unquote_first_word(&p, &t, false) == -EINVAL);
+ assert_se(p == original + 1);
+
+ p = original = "\'fooo";
+ assert_se(unquote_first_word(&p, &t, false) == -EINVAL);
+ assert_se(p == original + 5);
+
+ p = original = "\'fooo";
+ assert_se(unquote_first_word(&p, &t, true) > 0);
+ assert_se(streq(t, "fooo"));
+ free(t);
+ assert_se(p == original + 5);
+
+ p = original = "yay\'foo\'bar";
+ assert_se(unquote_first_word(&p, &t, false) > 0);
+ assert_se(streq(t, "yayfoobar"));
+ free(t);
+ assert_se(p == original + 11);
+
+ p = original = " foobar ";
+ assert_se(unquote_first_word(&p, &t, false) > 0);
+ assert_se(streq(t, "foobar"));
+ free(t);
+ assert_se(p == original + 12);
+}
+
+static void test_unquote_many_words(void) {
+ const char *p, *original;
+ char *a, *b, *c;
+
+ p = original = "foobar waldi piep";
+ assert_se(unquote_many_words(&p, &a, &b, &c, NULL) == 3);
+ assert_se(p == original + 17);
+ assert_se(streq_ptr(a, "foobar"));
+ assert_se(streq_ptr(b, "waldi"));
+ assert_se(streq_ptr(c, "piep"));
+ free(a);
+ free(b);
+ free(c);
+
+ p = original = "'foobar' wa\"ld\"i ";
+ assert_se(unquote_many_words(&p, &a, &b, &c, NULL) == 2);
+ assert_se(p == original + 19);
+ assert_se(streq_ptr(a, "foobar"));
+ assert_se(streq_ptr(b, "waldi"));
+ assert_se(streq_ptr(c, NULL));
+ free(a);
+ free(b);
+
+ p = original = "";
+ assert_se(unquote_many_words(&p, &a, &b, &c, NULL) == 0);
+ assert_se(p == original);
+ assert_se(streq_ptr(a, NULL));
+ assert_se(streq_ptr(b, NULL));
+ assert_se(streq_ptr(c, NULL));
+
+ p = original = " ";
+ assert_se(unquote_many_words(&p, &a, &b, &c, NULL) == 0);
+ assert_se(p == original+2);
+ assert_se(streq_ptr(a, NULL));
+ assert_se(streq_ptr(b, NULL));
+ assert_se(streq_ptr(c, NULL));
+
+ p = original = "foobar";
+ assert_se(unquote_many_words(&p, NULL) == 0);
+ assert_se(p == original);
+
+ p = original = "foobar waldi";
+ assert_se(unquote_many_words(&p, &a, NULL) == 1);
+ assert_se(p == original+7);
+ assert_se(streq_ptr(a, "foobar"));
+ free(a);
+
+ p = original = " foobar ";
+ assert_se(unquote_many_words(&p, &a, NULL) == 1);
+ assert_se(p == original+15);
+ assert_se(streq_ptr(a, "foobar"));
+ free(a);
+}
+
+static int parse_item(const char *key, const char *value) {
+ assert_se(key);
+
+ log_info("kernel cmdline option <%s> = <%s>", key, strna(value));
+ return 0;
+}
+
+static void test_parse_proc_cmdline(void) {
+ assert_se(parse_proc_cmdline(parse_item) >= 0);
+}
+
+static void test_raw_clone(void) {
+ pid_t parent, pid, pid2;
+
+ parent = getpid();
+ log_info("before clone: getpid()→"PID_FMT, parent);
+ assert_se(raw_getpid() == parent);
+
+ pid = raw_clone(0, NULL);
+ assert_se(pid >= 0);
+
+ pid2 = raw_getpid();
+ log_info("raw_clone: "PID_FMT" getpid()→"PID_FMT" raw_getpid()→"PID_FMT,
+ pid, getpid(), pid2);
+ if (pid == 0) {
+ assert_se(pid2 != parent);
+ _exit(EXIT_SUCCESS);
+ } else {
+ int status;
+
+ assert_se(pid2 == parent);
+ waitpid(pid, &status, __WCLONE);
+ assert_se(WIFEXITED(status) && WEXITSTATUS(status) == EXIT_SUCCESS);
+ }
+}
+
+static void test_same_fd(void) {
+ _cleanup_close_pair_ int p[2] = { -1, -1 };
+ _cleanup_close_ int a = -1, b = -1, c = -1;
+
+ assert_se(pipe2(p, O_CLOEXEC) >= 0);
+ assert_se((a = dup(p[0])) >= 0);
+ assert_se((b = open("/dev/null", O_RDONLY|O_CLOEXEC)) >= 0);
+ assert_se((c = dup(a)) >= 0);
+
+ assert_se(same_fd(p[0], p[0]) > 0);
+ assert_se(same_fd(p[1], p[1]) > 0);
+ assert_se(same_fd(a, a) > 0);
+ assert_se(same_fd(b, b) > 0);
+
+ assert_se(same_fd(a, p[0]) > 0);
+ assert_se(same_fd(p[0], a) > 0);
+ assert_se(same_fd(c, p[0]) > 0);
+ assert_se(same_fd(p[0], c) > 0);
+ assert_se(same_fd(a, c) > 0);
+ assert_se(same_fd(c, a) > 0);
+
+ assert_se(same_fd(p[0], p[1]) == 0);
+ assert_se(same_fd(p[1], p[0]) == 0);
+ assert_se(same_fd(p[0], b) == 0);
+ assert_se(same_fd(b, p[0]) == 0);
+ assert_se(same_fd(p[1], a) == 0);
+ assert_se(same_fd(a, p[1]) == 0);
+ assert_se(same_fd(p[1], b) == 0);
+ assert_se(same_fd(b, p[1]) == 0);
+
+ assert_se(same_fd(a, b) == 0);
+ assert_se(same_fd(b, a) == 0);
+}
+
+static void test_uid_ptr(void) {
+
+ assert_se(UID_TO_PTR(0) != NULL);
+ assert_se(UID_TO_PTR(1000) != NULL);
+
+ assert_se(PTR_TO_UID(UID_TO_PTR(0)) == 0);
+ assert_se(PTR_TO_UID(UID_TO_PTR(1000)) == 1000);
+}
+
+static void test_sparse_write_one(int fd, const char *buffer, size_t n) {
+ char check[n];
+
+ assert_se(lseek(fd, 0, SEEK_SET) == 0);
+ assert_se(ftruncate(fd, 0) >= 0);
+ assert_se(sparse_write(fd, buffer, n, 4) == (ssize_t) n);
+
+ assert_se(lseek(fd, 0, SEEK_CUR) == (off_t) n);
+ assert_se(ftruncate(fd, n) >= 0);
+
+ assert_se(lseek(fd, 0, SEEK_SET) == 0);
+ assert_se(read(fd, check, n) == (ssize_t) n);
+
+ assert_se(memcmp(buffer, check, n) == 0);
+}
+
+static void test_sparse_write(void) {
+ const char test_a[] = "test";
+ const char test_b[] = "\0\0\0\0test\0\0\0\0";
+ const char test_c[] = "\0\0test\0\0\0\0";
+ const char test_d[] = "\0\0test\0\0\0test\0\0\0\0test\0\0\0\0\0test\0\0\0test\0\0\0\0test\0\0\0\0\0\0\0\0";
+ const char test_e[] = "test\0\0\0\0test";
+ _cleanup_close_ int fd = -1;
+ char fn[] = "/tmp/sparseXXXXXX";
+
+ fd = mkostemp(fn, O_CLOEXEC);
+ assert_se(fd >= 0);
+ unlink(fn);
+
+ test_sparse_write_one(fd, test_a, sizeof(test_a));
+ test_sparse_write_one(fd, test_b, sizeof(test_b));
+ test_sparse_write_one(fd, test_c, sizeof(test_c));
+ test_sparse_write_one(fd, test_d, sizeof(test_d));
+ test_sparse_write_one(fd, test_e, sizeof(test_e));
+}
+