/usr/share/php/Crypt/GPG/ProcessControl.php is in php-crypt-gpg 1.4.0-1ubuntu2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 | <?php
/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */
/**
* A class for monitoring and terminating processes
*
* PHP version 5
*
* LICENSE:
*
* This library 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.
*
* This library 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 this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* @category Encryption
* @package Crypt_GPG
* @author Michael Gauthier <mike@silverorange.com>
* @copyright 2013 silverorange
* @license http://www.gnu.org/copyleft/lesser.html LGPL License 2.1
* @version CVS: $Id$
* @link http://pear.php.net/package/Crypt_GPG
*/
// {{{ class Crypt_GPG_ProcessControl
/**
* A class for monitoring and terminating processes by PID
*
* This is used to safely terminate the gpg-agent for GnuPG 2.x. This class
* is limited in its abilities and can only check if a PID is running and
* send a PID SIGTERM.
*
* @category Encryption
* @package Crypt_GPG
* @author Michael Gauthier <mike@silverorange.com>
* @copyright 2013 silverorange
* @license http://www.gnu.org/copyleft/lesser.html LGPL License 2.1
* @link http://pear.php.net/package/Crypt_GPG
*/
class Crypt_GPG_ProcessControl
{
// {{{ protected properties
/**
* The PID (process identifier) being monitored
*
* @var integer
*/
protected $pid;
// }}}
// {{{ __construct()
/**
* Creates a new process controller from the given PID (process identifier)
*
* @param integer $pid the PID (process identifier).
*/
public function __construct($pid)
{
$this->pid = $pid;
}
// }}}
// {{{ public function getPid()
/**
* Gets the PID (process identifier) being controlled
*
* @return integer the PID being controlled.
*/
public function getPid()
{
return $this->pid;
}
// }}}
// {{{ isRunning()
/**
* Checks if the process is running
*
* Uses <kbd>ps</kbd> on UNIX-like systems and <kbd>tasklist</kbd> on
* Windows.
*
* @return boolean true if the process is running, false if not.
*/
public function isRunning()
{
$running = false;
if (PHP_OS === 'WINNT') {
$command = 'tasklist /fo csv /nh /fi '
. escapeshellarg('PID eq ' . $this->pid);
$result = exec($command);
$parts = explode(',', $result);
$running = (count($parts) > 1 && trim($parts[1], '"') == $this->pid);
} else {
$result = exec('ps -p ' . escapeshellarg($this->pid) . ' -o pid=');
$running = (trim($result) == $this->pid);
}
return $running;
}
// }}}
// {{{ terminate()
/**
* Ends the process gracefully
*
* The signal SIGTERM is sent to the process. The gpg-agent process will
* end gracefully upon receiving the SIGTERM signal. Upon 3 consecutive
* SIGTERM signals the gpg-agent will forcefully shut down.
*
* If the <kbd>posix</kbd> extension is available, <kbd>posix_kill()</kbd>
* is used. Otherwise <kbd>kill</kbd> is used on UNIX-like systems and
* <kbd>taskkill</kbd> is used in Windows.
*
* @return void
*/
public function terminate()
{
if (function_exists('posix_kill')) {
posix_kill($this->pid, 15);
} elseif (PHP_OS === 'WINNT') {
exec('taskkill /PID ' . escapeshellarg($this->pid));
} else {
exec('kill -15 ' . escapeshellarg($this->pid));
}
}
// }}}
}
// }}}
?>
|