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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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function write_rcfile($params) {
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$fileprefix = "/usr/local/etc/rc.d/";
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if(!(is_writable($fileprefix . $params['file']) or $params['start'])) return false;
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$towrite .= "#!/bin/sh\n# This file was automatically generated\n# by the pfSense service handler.\n\n";
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/* write our rc functions */
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$towrite .= "rc_start() {\n\t" . $params['start'] . "\n}\n\n";
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if($params['stop']) {
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$tokill =& $params['stop'];
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} elseif($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\t" . $tokill . "\n}\n\n";
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/* begin rcfile logic */
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$towrite .= "case $1 in\n\tstart)\n\t\trc_start\n\t\t;;\n\tstop)\n\t\trc_stop\n\t\t;;\n\trestart)\n\t\trc_stop\n\t\trc_start\n\t\t;;\nesac\n\n";
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$fout = fopen($fileprefix . $params['file'], "w");
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fwrite($fout, $towrite);
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fclose($fout);
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chmod($fileprefix . $params['file'], 0755);
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return;
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}
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function start_service($name) {
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global $config;
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/* make sure service is stopped before starting */
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stop_service($name);
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sleep(2);
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if(file_exists("/usr/local/etc/rc.d/{$name}.sh")) {
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exec("/bin/sh /usr/local/etc/rc.d/{$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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if($service['prefix']) {
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$prefix =& $service['prefix'];
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} else {
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$prefix = "/usr/local/etc/rc.d/";
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}
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if(file_exists($prefix . $service['rcfile'])) {
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mwexec_bg($prefix . $service['rcfile'] . " start");
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} else {
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if(file_exists("/usr/local/etc/rc.d/{$name}.sh"))
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mwexec_bg("/usr/local/etc/rc.d/{$name}.sh start");
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}
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}
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if($service['startcmd']) {
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eval($service['startcmd']);
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}
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break;
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}
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}
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}
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}
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function stop_service($name) {
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global $config;
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if($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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if($service['prefix']) {
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$prefix =& $service['prefix'];
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} else {
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$prefix = "/usr/local/etc/rc.d/";
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}
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mwexec_bg($prefix . $service['rcfile'] . " stop");
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}
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if($service['stopcmd']) {
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eval($service['stopcmd']);
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}
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if(!($service['rcfile'] or $service['stopcmd'])) {
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mwexec_bg("/usr/bin/killall {$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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mwexec_bg("/usr/bin/killall {$name}");
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}
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function restart_service($name) {
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global $config;
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stop_service($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($service['restartcmd']);
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}
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break;
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}
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}
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}
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}
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function is_process_running($process) {
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$running = (trim(shell_exec("ps axwu | grep '\b{$process}\b' | grep -v 'grep'")) != '');
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return $running;
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}
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function is_dhcp_running($interface) {
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$interface = convert_friendly_interface_to_real_interface_name($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 $config;
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/*
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if(!$ps) {
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exec("/bin/ps ax | awk '{ print $5 }'", $psout);
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}
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*/
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if(is_array($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['executable']) return false;
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/*
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if(count(preg_grep("/{$aservice['executable']}/i", $ps))) {
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return true;
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} else {
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return false;
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}
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*/
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return is_process_running($aservice['executable']) ? true : false;
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}
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}
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}
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}
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?>
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