} elseif (!empty($_POST['action']) && $_POST['action'] == "ResetRRD") {
$savemsg = gettext('RRD data has been cleared.');
mwexec('/bin/rm /var/db/rrd/*');
enable_rrd_graphing();
setup_gateways_monitor();
} else {
$input_errors = array();
$pconfig = $_POST;
/* input validation */
if (!empty($pconfig['enable']) && !is_valid_syslog_server($pconfig['remoteserver'])) {
$input_errors[] = gettext("A valid IP address/hostname or IP/hostname:port must be specified for remote syslog server #1.");
}
if (!empty($pconfig['enable']) && !empty($pconfig['remoteserver2']) && !is_valid_syslog_server($pconfig['remoteserver2'])) {
$input_errors[] = gettext("A valid IP address/hostname or IP/hostname:port must be specified for remote syslog server #2.");
}
if (!empty($pconfig['enable']) && !empty($pconfig['remoteserver3']) && !is_valid_syslog_server($_POST['remoteserver3'])) {
$input_errors[] = gettext("A valid IP address/hostname or IP/hostname:port must be specified for remote syslog server #3.");
}
if ($pconfig['nentries'] < 5 || $pconfig['nentries'] > 2000) {
$input_errors[] = gettext("Number of log entries to show must be between 5 and 2000.");
}
if (!empty($pconfig['logfilesize']) && strlen($pconfig['logfilesize']) > 0) {
if (!is_numeric($pconfig['logfilesize']) || $pconfig['logfilesize'] < 5120) {
$input_errors[] = gettext("Log file size must be a positive integer greater than 5120.");
}
}
if (count($input_errors) == 0) {
$config['syslog']['reverse'] = !empty($pconfig['reverse']) ? true : false;
$config['syslog']['nentries'] = (int) $pconfig['nentries'];
if (isset($_POST['logfilesize']) && strlen($pconfig['logfilesize']) > 0) {
$config['syslog']['logfilesize'] = (int) $pconfig['logfilesize'];
return is_ipaddr($target) || is_ipaddrwithport($target) || is_hostname($target) || is_hostnamewithport($target);
}
if ($_POST['resetlogs'] == gettext("Reset Log Files")) {
clear_all_log_files();
$savemsg .= gettext("The log files have been reset.");
} elseif ($_POST) {
unset($input_errors);
$pconfig = $_POST;
/* input validation */
if ($_POST['enable'] && !is_valid_syslog_server($_POST['remoteserver'])) {
$input_errors[] = gettext("A valid IP address/hostname or IP/hostname:port must be specified for remote syslog server #1.");
}
if ($_POST['enable'] && $_POST['remoteserver2'] && !is_valid_syslog_server($_POST['remoteserver2'])) {
$input_errors[] = gettext("A valid IP address/hostname or IP/hostname:port must be specified for remote syslog server #2.");
}
if ($_POST['enable'] && $_POST['remoteserver3'] && !is_valid_syslog_server($_POST['remoteserver3'])) {
$input_errors[] = gettext("A valid IP address/hostname or IP/hostname:port must be specified for remote syslog server #3.");
}
if ($_POST['nentries'] < 5 || $_POST['nentries'] > 2000) {
$input_errors[] = gettext("Number of log entries to show must be between 5 and 2000.");
}
if (isset($_POST['logfilesize']) && strlen($_POST['logfilesize']) > 0) {
if (!is_numeric($_POST['logfilesize']) || $_POST['logfilesize'] < 100000) {
$input_errors[] = gettext("Log file size must be numeric and greater than or equal to 100000.");
}
}
if (!$input_errors) {
$config['syslog']['reverse'] = $_POST['reverse'] ? true : false;
$config['syslog']['nentries'] = (int) $_POST['nentries'];
$pconfig['nentries'] = $config['syslog']['nentries'];
if (isset($_POST['logfilesize']) && strlen($_POST['logfilesize']) > 0) {
