/*** This file is part of systemd. Copyright 2010 Lennart Poettering Copyright 2013 Thomas H.P. Andersen Copyright 2015 Zbigniew Jędrzejewski-Szmek systemd is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. systemd is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with systemd; If not, see <http://www.gnu.org/licenses/>. ***/ #include "alloc-util.h" #include "fileio.h" #include "hostname-util.h" #include "string-util.h" #include "util.h" static void test_hostname_is_valid(void) { assert_se(hostname_is_valid("foobar", false)); assert_se(hostname_is_valid("foobar.com", false)); assert_se(!hostname_is_valid("foobar.com.", false)); assert_se(hostname_is_valid("fooBAR", false)); assert_se(hostname_is_valid("fooBAR.com", false)); assert_se(!hostname_is_valid("fooBAR.", false)); assert_se(!hostname_is_valid("fooBAR.com.", false)); assert_se(!hostname_is_valid("fööbar", false)); assert_se(!hostname_is_valid("", false)); assert_se(!hostname_is_valid(".", false)); assert_se(!hostname_is_valid("..", false)); assert_se(!hostname_is_valid("foobar.", false)); assert_se(!hostname_is_valid(".foobar", false)); assert_se(!hostname_is_valid("foo..bar", false)); assert_se(!hostname_is_valid("foo.bar..", false)); assert_se(!hostname_is_valid("xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx", false)); assert_se(hostname_is_valid("foobar", true)); assert_se(hostname_is_valid("foobar.com", true)); assert_se(hostname_is_valid("foobar.com.", true)); assert_se(hostname_is_valid("fooBAR", true)); assert_se(hostname_is_valid("fooBAR.com", true)); assert_se(!hostname_is_valid("fooBAR.", true)); assert_se(hostname_is_valid("fooBAR.com.", true)); assert_se(!hostname_is_valid("fööbar", true)); assert_se(!hostname_is_valid("", true)); assert_se(!hostname_is_valid(".", true)); assert_se(!hostname_is_valid("..", true)); assert_se(!hostname_is_valid("foobar.", true)); assert_se(!hostname_is_valid(".foobar", true)); assert_se(!hostname_is_valid("foo..bar", true)); assert_se(!hostname_is_valid("foo.bar..", true)); assert_se(!hostname_is_valid("xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx", true)); } static void test_hostname_cleanup(void) { char *s; s = strdupa("foobar"); assert_se(streq(hostname_cleanup(s), "foobar")); s = strdupa("foobar.com"); assert_se(streq(hostname_cleanup(s), "foobar.com")); s = strdupa("foobar.com."); assert_se(streq(hostname_cleanup(s), "foobar.com")); s = strdupa("fooBAR"); assert_se(streq(hostname_cleanup(s), "fooBAR")); s = strdupa("fooBAR.com"); assert_se(streq(hostname_cleanup(s), "fooBAR.com")); s = strdupa("fooBAR."); assert_se(streq(hostname_cleanup(s), "fooBAR")); s = strdupa("fooBAR.com."); assert_se(streq(hostname_cleanup(s), "fooBAR.com")); s = strdupa("fööbar"); assert_se(streq(hostname_cleanup(s), "fbar")); s = strdupa(""); assert_se(isempty(hostname_cleanup(s))); s = strdupa("."); assert_se(isempty(hostname_cleanup(s))); s = strdupa(".."); assert_se(isempty(hostname_cleanup(s))); s = strdupa("foobar."); assert_se(streq(hostname_cleanup(s), "foobar")); s = strdupa(".foobar"); assert_se(streq(hostname_cleanup(s), "foobar")); s = strdupa("foo..bar"); assert_se(streq(hostname_cleanup(s), "foo.bar")); s = strdupa("foo.bar.."); assert_se(streq(hostname_cleanup(s), "foo.bar")); s = strdupa("xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"); assert_se(streq(hostname_cleanup(s), "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx")); } static void test_read_hostname_config(void) { char path[] = "/tmp/hostname.XXXXXX"; char *hostname; int fd; fd = mkostemp_safe(path, O_RDWR|O_CLOEXEC); assert(fd > 0); close(fd); /* simple hostname */ write_string_file(path, "foo", WRITE_STRING_FILE_CREATE); assert_se(read_hostname_config(path, &hostname) == 0); assert_se(streq(hostname, "foo")); hostname = mfree(hostname); /* with comment */ write_string_file(path, "# comment\nfoo", WRITE_STRING_FILE_CREATE); assert_se(read_hostname_config(path, &hostname) == 0); assert_se(hostname); assert_se(streq(hostname, "foo")); hostname = mfree(hostname); /* with comment and extra whitespace */ write_string_file(path, "# comment\n\n foo ", WRITE_STRING_FILE_CREATE); assert_se(read_hostname_config(path, &hostname) == 0); assert_se(hostname); assert_se(streq(hostname, "foo")); hostname = mfree(hostname); /* cleans up name */ write_string_file(path, "!foo/bar.com", WRITE_STRING_FILE_CREATE); assert_se(read_hostname_config(path, &hostname) == 0); assert_se(hostname); assert_se(streq(hostname, "foobar.com")); hostname = mfree(hostname); /* no value set */ hostname = (char*) 0x1234; write_string_file(path, "# nothing here\n", WRITE_STRING_FILE_CREATE); assert_se(read_hostname_config(path, &hostname) == -ENOENT); assert_se(hostname == (char*) 0x1234); /* does not touch argument on error */ /* nonexisting file */ assert_se(read_hostname_config("/non/existing", &hostname) == -ENOENT); assert_se(hostname == (char*) 0x1234); /* does not touch argument on error */ unlink(path); } int main(int argc, char *argv[]) { log_parse_environment(); log_open(); test_hostname_is_valid(); test_hostname_cleanup(); test_read_hostname_config(); return 0; }