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<?php
/****h* pfSense/service-utils
* NAME
* service-utils.inc - Service facility
* DESCRIPTION
* This file contains various functions used by the pfSense service facility.
* HISTORY
* $Id$
******
*
* Copyright (C) 2005-2006 Colin Smith (ethethlay@gmail.com)
* All rights reserved.
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
* OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* RISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
*/
/*
pfSense_BUILDER_BINARIES: /usr/bin/killall /bin/sh /bin/ps
pfSense_MODULE: utils
*/
function write_rcfile($params) {
$fileprefix = "/usr/local/etc/rc.d/";
if(!(is_writable($fileprefix . $params['file']) or $params['start'])) return false;
$towrite .= "#!/bin/sh\n# This file was automatically generated\n# by the {$g['product_website']} service handler.\n\n";
/* write our rc functions */
$towrite .= "rc_start() {\n\t" . $params['start'] . "\n}\n\n";
if($params['stop']) {
$tokill =& $params['stop'];
} elseif($params['executable']) {
/* just nuke the executable */
$tokill = "/usr/bin/killall {$params['executable']}";
} else {
/* make an educated guess (bad) */
$tokill = array_pop(explode('/', array_shift(explode(' ', $params['start']))));
}
$towrite .= "rc_stop() {\n\t" . $tokill . "\n}\n\n";
/* begin rcfile logic */
$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";
$fout = fopen($fileprefix . $params['file'], "w");
fwrite($fout, $towrite);
fclose($fout);
chmod($fileprefix . $params['file'], 0755);
return;
}
function start_service($name) {
global $config;
/* make sure service is stopped before starting */
stop_service($name);
sleep(2);
if(file_exists("/usr/local/etc/rc.d/{$name}.sh")) {
exec("/bin/sh /usr/local/etc/rc.d/{$name}.sh start");
return;
}
if($config['installedpackages']['service']) {
foreach($config['installedpackages']['service'] as $service) {
if(strtolower($service['name']) == strtolower($name)) {
if($service['rcfile']) {
if($service['prefix']) {
$prefix =& $service['prefix'];
} else {
$prefix = "/usr/local/etc/rc.d/";
}
if(file_exists($prefix . $service['rcfile'])) {
mwexec_bg($prefix . $service['rcfile'] . " start");
} else {
if(file_exists("/usr/local/etc/rc.d/{$name}.sh"))
mwexec_bg("/usr/local/etc/rc.d/{$name}.sh start");
}
}
if($service['startcmd']) {
eval($service['startcmd']);
}
break;
}
}
}
}
function stop_service($name) {
global $config;
if($config['installedpackages']['service']) {
foreach($config['installedpackages']['service'] as $service) {
if(strtolower($service['name']) == strtolower($name)) {
if($service['rcfile']) {
if($service['prefix']) {
$prefix =& $service['prefix'];
} else {
$prefix = "/usr/local/etc/rc.d/";
}
mwexec_bg($prefix . $service['rcfile'] . " stop");
}
if($service['stopcmd']) {
eval($service['stopcmd']);
}
if(!($service['rcfile'] or $service['stopcmd'])) {
if(is_process_running("{$service['executable']}"))
mwexec_bg("/usr/bin/killall {$service['executable']}");
return;
}
break;
}
}
}
/* finally if we get here lets simply kill the service name */
if(is_process_running("{$name}"))
mwexec_bg("/usr/bin/killall {$name}");
}
function restart_service($name) {
global $config;
stop_service($name);
start_service($name);
if($config['installedpackages']['service']) {
foreach($config['installedpackages']['service'] as $service) {
if(strtolower($service['name']) == strtolower($name)) {
if($service['restartcmd']) {
eval($service['restartcmd']);
}
break;
}
}
}
}
function is_pid_running($pidfile) {
$pid = trim(file_get_contents($pidfile));
$running = (trim(shell_exec("/usr/bin/procstat {$pid} 2>/dev/null")) != '');
return $running;
}
function is_dhcp_running($interface) {
$status = find_dhclient_process($interface);
if($status <> "")
return true;
return false;
}
function restart_service_if_running($service) {
global $config;
if(is_service_running($service))
restart_service($service);
return;
}
function is_service_running($service, $ps = "") {
global $config;
/*
if(!$ps) {
exec("/bin/ps ax | awk '{ print $5 }'", $psout);
}
*/
if(is_array($config['installedpackages']['service'])) {
foreach($config['installedpackages']['service'] as $aservice) {
if(strtolower($service) == strtolower($aservice['name'])) {
if($aservice['custom_php_service_status_command'] <> "") {
$_cmd=explode(';', $aservice['custom_php_service_status_command']);
foreach($_cmd as $_acmd) {
if($_acmd) eval('$rc='.$_acmd.';');
}
return $rc;
}
if(!$aservice['executable']) return false;
/*
if(count(preg_grep("/{$aservice['executable']}/i", $ps))) {
return true;
} else {
return false;
}
*/
return is_process_running($aservice['executable']) ? true : false;
}
}
}
}
?>
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