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<?php
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/****h* pfSense/service-utils
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* NAME
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* service-utils.inc - Service facility
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* DESCRIPTION
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* This file contains various functions used by the pfSense service facility.
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* HISTORY
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* $Id$
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******
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*
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* Copyright (C) 2005-2006 Colin Smith (ethethlay@gmail.com)
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* All rights reserved.
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
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* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
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* AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
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* OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* RISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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/*
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pfSense_BUILDER_BINARIES: /bin/pgrep /bin/sh /usr/bin/killall
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pfSense_MODULE: utils
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*/
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$rcfileprefix = "/usr/local/etc/rc.d/";
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function write_rcfile($params) {
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global $g;
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global $rcfileprefix;
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if (!file_exists("{$rcfileprefix}{$params['file']}") && !touch("{$rcfileprefix}{$params['file']}"))
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return false;
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if (!is_writable("{$rcfileprefix}{$params['file']}") || empty($params['start']))
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return false;
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$towrite = "#!/bin/sh\n";
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$towrite .= "# This file was automatically generated\n# by the {$g['product_name']} service handler.\n\n";
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/* write our rc functions */
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$towrite .= "rc_start() {\n";
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$towrite .= "\t{$params['start']}\n";
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$towrite .= "}\n\n";
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if(!empty($params['stop'])) {
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$tokill =& $params['stop'];
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} else if(!empty($params['executable'])) {
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/* just nuke the executable */
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$tokill = "/usr/bin/killall {$params['executable']}";
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} else {
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/* make an educated guess (bad) */
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$tokill = array_pop(explode('/', array_shift(explode(' ', $params['start']))));
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}
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$towrite .= "rc_stop() {\n";
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$towrite .= "\t{$tokill}\n";
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$towrite .= "}\n\n";
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/* begin rcfile logic */
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$towrite .= "case \$1 in\n\tstart)\n\t\trc_start\n\t\t;;\n\tstop)\n\t\trc_stop\n\t\t;;\n\trestart)\n\t\trc_stop\n\t\trc_start\n\t\t;;\nesac\n\n";
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file_put_contents("{$rcfileprefix}{$params['file']}", $towrite);
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@chmod("{$rcfileprefix}{$params['file']}", 0755);
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return;
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}
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function start_service($name) {
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global $config;
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global $rcfileprefix;
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if (empty($name))
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return;
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/* make sure service is stopped before starting */
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stop_service($name);
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sleep(2);
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if(file_exists("{$rcfileprefix}{$name}.sh")) {
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mwexec_bg("/bin/sh {$rcfileprefix}{$name}.sh start");
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return;
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}
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if($config['installedpackages']['service']) {
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foreach($config['installedpackages']['service'] as $service) {
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if(strtolower($service['name']) == strtolower($name)) {
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if($service['rcfile']) {
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$prefix = $rcfileprefix;
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if (!empty($service['prefix'])) {
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$prefix =& $service['prefix'];
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}
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if(file_exists("{$prefix}{$service['rcfile']}")) {
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mwexec_bg("{$prefix}{$service['rcfile']} start");
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}
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}
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if (!empty($service['startcmd']))
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eval($service['startcmd']);
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break;
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}
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}
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}
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}
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function stop_service($name) {
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global $config;
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global $rcfileprefix;
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if (empty($name))
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return;
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if ($config['installedpackages']['service']) {
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foreach($config['installedpackages']['service'] as $service) {
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if(strtolower($service['name']) == strtolower($name)) {
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if($service['rcfile']) {
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$prefix = $rcfileprefix;
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if(!empty($service['prefix'])) {
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$prefix =& $service['prefix'];
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}
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if(file_exists("{$prefix}{$service['rcfile']}")) {
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mwexec("{$prefix}{$service['rcfile']} stop");
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}
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return;
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}
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if (!empty($service['stopcmd']))
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eval($service['stopcmd']);
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if(!($service['rcfile'] or $service['stopcmd'])) {
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if(is_process_running("{$service['executable']}"))
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mwexec("/usr/bin/killall {$service['executable']}");
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return;
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}
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break;
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}
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}
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}
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/* finally if we get here lets simply kill the service name */
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if(is_process_running("{$name}"))
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mwexec("/usr/bin/killall {$name}");
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}
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function restart_service($name) {
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global $config;
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if (empty($name))
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return;
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stop_service($name);
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start_service($name);
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if($config['installedpackages']['service']) {
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foreach($config['installedpackages']['service'] as $service) {
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if(strtolower($service['name']) == strtolower($name)) {
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if($service['restartcmd']) {
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eval($service['restartcmd']);
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}
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break;
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}
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}
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}
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}
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function is_pid_running($pidfile) {
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if (!file_exists($pidfile))
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return false;
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$running = shell_exec("/bin/pgrep -F {$pidfile} 2>/dev/null");
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return (!empty($running));
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}
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function is_dhcp_running($interface) {
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$status = find_dhclient_process($interface);
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if($status <> "")
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return true;
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return false;
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}
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function restart_service_if_running($service) {
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global $config;
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if(is_service_running($service))
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restart_service($service);
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return;
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}
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function is_service_running($service, $ps = "") {
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global $config;
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if(is_array($config['installedpackages']['service'])) {
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foreach($config['installedpackages']['service'] as $aservice) {
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if(strtolower($service) == strtolower($aservice['name'])) {
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if ($aservice['custom_php_service_status_command'] <> "") {
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eval("\$rc={$aservice['custom_php_service_status_command']};");
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return $rc;
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}
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if(empty($aservice['executable']))
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return false;
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if (is_process_running($aservice['executable']))
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return true;
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return false;
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}
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}
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}
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if (is_process_running($service))
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return true;
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return false;
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}
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?>
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