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/***
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("au-xph5-rvgrdsb5hcxc-47et3a5vvkrc-server-wyoz4elpdpe3.openstack.local", 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);
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;
}
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