function delete_old_process($link)
{
$ret = sqlquery('SELECT * FROM `process` where 1', $link);
while ($i = $ret->fetch(PDO::FETCH_ASSOC)) {
if (!pstatus($i['pid'])) {
sqlexec('DELETE FROM `process` where pid=?', array($i['pid']), $link);
deldir('qqbot/' . $i['id']);
}
}
}
<?php
function pstatus($pid)
{
$command = 'ps -p ' . $pid;
exec($command, $op);
if (!isset($op[1])) {
return false;
} else {
return true;
}
}
require_once 'function/sqllink.php';
if (!isset($_POST['id'])) {
die('{"retcode":999,"msg":"CAN NOT FIND ID IN THE PARAMETER"}');
}
$link = sqllink();
if (!$link) {
die('{"retcode":99,"msg":"DATABASE ERROR"}');
}
$res = sqlexec('SELECT * FROM `process` where `sid`=?', array($_POST['id']), $link);
$result = $res->fetch(PDO::FETCH_ASSOC);
if ($result == FALSE) {
die('{"retcode":0,"msg":"SUCC"}');
}
//don't tell malicious person the id does not exist
if (pstatus($result['pid'])) {
shell_exec("kill " . $result['pid']);
}
die('{"retcode":0,"msg":"SUCC"}');
