forked from poppyred/1.6.x
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exec.l7filter.php
executable file
·325 lines (253 loc) · 11.2 KB
/
exec.l7filter.php
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<?php
if(posix_getuid()<>0){die("Cannot be used in web server mode\n\n");}
$GLOBALS["FORCE"]=false;
$GLOBALS["RECONFIGURE"]=false;
$GLOBALS["SWAPSTATE"]=false;
$GLOBALS["NOSQUIDOUTPUT"]=true;
$GLOBALS["TITLENAME"]="TCP Layer Application detection";
if(preg_match("#--verbose#",implode(" ",$argv))){$GLOBALS["VERBOSE"]=true;$GLOBALS["OUTPUT"]=true;$GLOBALS["debug"]=true;ini_set('display_errors', 1);ini_set('error_reporting', E_ALL);ini_set('error_prepend_string',null);ini_set('error_append_string',null);}
if(preg_match("#--output#",implode(" ",$argv))){$GLOBALS["OUTPUT"]=true;}
if(preg_match("#schedule-id=([0-9]+)#",implode(" ",$argv),$re)){$GLOBALS["SCHEDULE_ID"]=$re[1];}
if(preg_match("#--force#",implode(" ",$argv),$re)){$GLOBALS["FORCE"]=true;}
if(preg_match("#--reconfigure#",implode(" ",$argv),$re)){$GLOBALS["RECONFIGURE"]=true;}
$GLOBALS["AS_ROOT"]=true;
include_once(dirname(__FILE__).'/ressources/class.ldap.inc');
include_once(dirname(__FILE__).'/ressources/class.squid.inc');
include_once(dirname(__FILE__).'/ressources/class.mysql.inc');
include_once(dirname(__FILE__).'/framework/class.unix.inc');
include_once(dirname(__FILE__).'/framework/frame.class.inc');
include_once(dirname(__FILE__).'/framework/class.settings.inc');
include_once(dirname(__FILE__).'/ressources/class.os.system.inc');
include_once(dirname(__FILE__).'/ressources/class.system.nics.inc');
include_once(dirname(__FILE__).'/ressources/class.kav4proxy.inc');
$GLOBALS["ARGVS"]=implode(" ",$argv);
if($argv[1]=="--stop"){$GLOBALS["OUTPUT"]=true;stop();die();}
if($argv[1]=="--start"){$GLOBALS["OUTPUT"]=true;start();die();}
if($argv[1]=="--restart"){$GLOBALS["OUTPUT"]=true;restart();die();}
if($argv[1]=="--reload"){$GLOBALS["OUTPUT"]=true;reload();die();}
if($argv[1]=="--reload-avbase"){$GLOBALS["OUTPUT"]=true;reload();die();}
if($argv[1]=="--stats"){$GLOBALS["OUTPUT"]=true;reload_stats();die();}
if($argv[1]=="--build"){$GLOBALS["OUTPUT"]=true;build();die();}
function restart() {
$unix=new unix();
$pidfile="/etc/artica-postfix/pids/".basename(__FILE__).".".__FUNCTION__.".pid";
$pid=$unix->get_pid_from_file($pidfile);
if($unix->process_exists($pid,basename(__FILE__))){
$time=$unix->PROCCESS_TIME_MIN($pid);
if($GLOBALS["OUTPUT"]){echo "Starting......: ".date("H:i:s")." [INIT]: {$GLOBALS["TITLENAME"]} Already Artica task running PID $pid since {$time}mn\n";}
return;
}
@file_put_contents($pidfile, getmypid());
stop(true);
sleep(1);
start(true);
}
function reload() {
$unix=new unix();
$sock=new sockets();
$pidfile="/etc/artica-postfix/pids/".basename(__FILE__).".".__FUNCTION__.".pid";
$pid=$unix->get_pid_from_file($pidfile);
if($unix->process_exists($pid,basename(__FILE__))){
$time=$unix->PROCCESS_TIME_MIN($pid);
if($GLOBALS["OUTPUT"]){echo "Reloading.....: ".date("H:i:s")." [INIT]: {$GLOBALS["TITLENAME"]} Already Artica task running PID $pid since {$time}mn\n";}
return;
}
@file_put_contents($pidfile, getmypid());
$pid=PID_NUM();
if(!$unix->process_exists($pid)){
if($GLOBALS["OUTPUT"]){echo "Reloading.....: ".date("H:i:s")." [INIT]: {$GLOBALS["TITLENAME"]} Not running, start it\n";}
start();
return;
}
build();
$timepid=$unix->PROCCESS_TIME_MIN($pid);
if($GLOBALS["OUTPUT"]){echo "Reloading.....: ".date("H:i:s")." [INIT]: {$GLOBALS["TITLENAME"]} TTL of {$timepid}Mn\n";}
$unix->KILL_PROCESS($pid,1);
$echo=$unix->find_program("echo");
$sock=new sockets();
$ip_queue_maxlen=intval($sock->GET_INFO("ip_queue_maxlen"));
if($ip_queue_maxlen==0){$ip_queue_maxlen=2048;}
if(is_file("/proc/sys/net/ipv4/ip_queue_maxlen")){
shell_exec("$echo \"$ip_queue_maxlen\" >/proc/sys/net/ipv4/ip_queue_maxlen");
}else{
if($GLOBALS["OUTPUT"]){echo "Starting......: ".date("H:i:s")." [INIT]: {$GLOBALS["TITLENAME"]} /proc/sys/net/ipv4/ip_queue_maxlen no such file.\n";}
}
}
function l7filter_version(){
if(isset($GLOBALS["l7filter_version"])){return $GLOBALS["l7filter_version"];}
$unix=new unix();
$sock=new sockets();
$Masterbin=$unix->find_program("l7-filter");
exec("$Masterbin -h 2>&1",$results);
while (list ($none, $line) = each ($results)){
if(preg_match("#l7-filter v([0-9\.]+)#", $line,$re)){
$GLOBALS["l7filter_version"]= $re[1];
break;
}
}
return $GLOBALS["l7filter_version"];
}
function start($aspid=false){
$unix=new unix();
$sock=new sockets();
$Masterbin=$unix->find_program("l7-filter");
$modprobe=$unix->find_program("modprobe");
if(!is_file($Masterbin)){
if($GLOBALS["OUTPUT"]){echo "Starting......: ".date("H:i:s")." [INIT]: {$GLOBALS["TITLENAME"]}, Not installed\n";}
return;
}
if(!$aspid){
$pidfile="/etc/artica-postfix/pids/".basename(__FILE__).".".__FUNCTION__.".pid";
$pid=$unix->get_pid_from_file($pidfile);
if($unix->process_exists($pid,basename(__FILE__))){
$time=$unix->PROCCESS_TIME_MIN($pid);
if($GLOBALS["OUTPUT"]){echo "Starting......: ".date("H:i:s")." [INIT]: {$GLOBALS["TITLENAME"]} Already Artica task running PID $pid since {$time}mn\n";}
return;
}
@file_put_contents($pidfile, getmypid());
}
$pid=PID_NUM();
$EnableL7Filter=intval($sock->GET_INFO("EnableL7Filter"));
if($unix->process_exists($pid)){
$timepid=$unix->PROCCESS_TIME_MIN($pid);
if($GLOBALS["OUTPUT"]){echo "Starting......: ".date("H:i:s")." [INIT]: {$GLOBALS["TITLENAME"]} Service already started $pid since {$timepid}Mn...\n";}
if($EnableL7Filter==0){stop();}
return;
}
if($EnableL7Filter==0){
if($GLOBALS["OUTPUT"]){echo "Starting......: ".date("H:i:s")." [INIT]: {$GLOBALS["TITLENAME"]} service disabled (see EnableL7Filter)\n";}
return;
}
$php5=$unix->LOCATE_PHP5_BIN();
$sysctl=$unix->find_program("sysctl");
$echo=$unix->find_program("echo");
$nohup=$unix->find_program("nohup");
build();
$version=l7filter_version();
$f[]=$nohup;
$f[]=$Masterbin;
$f[]="-f /etc/l7-protocols/l7filter.conf";
$f[]="-p /etc/l7-protocols";
$f[]="-q 2";
$cmd=@implode(" ", $f) ." >/dev/null 2>&1 &";
if($GLOBALS["OUTPUT"]){echo "Starting......: ".date("H:i:s")." [INIT]: {$GLOBALS["TITLENAME"]} service\n";}
shell_exec($cmd);
for($i=1;$i<5;$i++){
if($GLOBALS["OUTPUT"]){echo "Starting......: ".date("H:i:s")." [INIT]: {$GLOBALS["TITLENAME"]} waiting $i/5\n";}
sleep(1);
$pid=PID_NUM();
if($unix->process_exists($pid)){break;}
}
$pid=PID_NUM();
if($unix->process_exists($pid)){
if($GLOBALS["OUTPUT"]){echo "Starting......: ".date("H:i:s")." [INIT]: {$GLOBALS["TITLENAME"]} loading Firewall modules\n";}
shell_exec("$modprobe ip_conntrack_netlink");
shell_exec("$modprobe nf_conntrack_ipv4");
add_iptables_rules();
if($GLOBALS["OUTPUT"]){echo "Starting......: ".date("H:i:s")." [INIT]: {$GLOBALS["TITLENAME"]} Success PID $pid\n";}
}else{
if($GLOBALS["OUTPUT"]){echo "Starting......: ".date("H:i:s")." [INIT]: {$GLOBALS["TITLENAME"]} Failed\n";}
if($GLOBALS["OUTPUT"]){echo "Starting......: ".date("H:i:s")." [INIT]: {$GLOBALS["TITLENAME"]} $cmd\n";}
}
}
function del_iptables_rules(){
$unix=new unix();
$iptables_save=$unix->find_program("iptables-save");
$iptables_restore=$unix->find_program("iptables-restore");
system("$iptables_save > /etc/artica-postfix/iptablesl7.conf");
$data=file_get_contents("/etc/artica-postfix/iptablesl7.conf");
$ARRAY=explode("\n",$data);
$d=0;
while (list ($num, $ligne) = each ($ARRAY) ){
if($ligne==null){continue;}
if(preg_match("#ArticaL7Filters#",$ligne)){$d++;continue;}
$conf=$conf . $ligne."\n";
}
file_put_contents("/etc/artica-postfix/iptables.new.conf",$conf);
system("$iptables_restore < /etc/artica-postfix/iptables.new.conf");
if($GLOBALS["OUTPUT"]){echo "Starting......: ".date("H:i:s")." [INIT]: {$GLOBALS["TITLENAME"]} Removing $d iptables rule(s) done...\n";}
}
function add_iptables_rules(){
del_iptables_rules();
$comment="-m comment --comment ArticaL7Filters";
$unix=new unix();
$iptables=$unix->find_program("iptables");
$echo=$unix->find_program("echo");
shell_exec("$iptables -t mangle -I PREROUTING $comment -j NFQUEUE --queue-num 2");
shell_exec("$iptables -t mangle -I OUTPUT $comment -j NFQUEUE --queue-num 2");
if($GLOBALS["OUTPUT"]){echo "Starting......: ".date("H:i:s")." [INIT]: {$GLOBALS["TITLENAME"]} Adding Firewall rules done.\n";}
$sock=new sockets();
$ip_queue_maxlen=intval($sock->GET_INFO("ip_queue_maxlen"));
if($ip_queue_maxlen==0){$ip_queue_maxlen=2048;}
if(is_file("/proc/sys/net/ipv4/ip_queue_maxlen")){
shell_exec("$echo \"$ip_queue_maxlen\" >/proc/sys/net/ipv4/ip_queue_maxlen");
}else{
if($GLOBALS["OUTPUT"]){echo "Starting......: ".date("H:i:s")." [INIT]: {$GLOBALS["TITLENAME"]} /proc/sys/net/ipv4/ip_queue_maxlen no such file.\n";}
}
}
function build(){
$unix=new unix();
$q=new mysql();
$sql="SELECT ID,keyitem FROM l7filters_items WHERE enabled=1";
$results=$q->QUERY_SQL($sql,"artica_backup");
if(!$q->ok){if($GLOBALS["OUTPUT"]){echo "Starting......: ".date("H:i:s")." [INIT]: {$GLOBALS["TITLENAME"]} $q->mysql_error\n";}return;}
if($GLOBALS["OUTPUT"]){echo "Starting......: ".date("H:i:s")." [INIT]: {$GLOBALS["TITLENAME"]} ". mysql_num_rows($results)." items\n";}
while ($ligne = mysql_fetch_assoc($results)) {
$f[]="{$ligne["keyitem"]}\t{$ligne["ID"]}";
}
@file_put_contents("/etc/l7-protocols/l7filter.conf", @implode("\n", $f));
}
function stop($aspid=false){
$unix=new unix();
if(!$aspid){
$pidfile="/etc/artica-postfix/pids/".basename(__FILE__).".".__FUNCTION__.".pid";
$pid=$unix->get_pid_from_file($pidfile);
if($unix->process_exists($pid,basename(__FILE__))){
$time=$unix->PROCCESS_TIME_MIN($pid);
if($GLOBALS["OUTPUT"]){echo "Stopping......: ".date("H:i:s")." [INIT]: {$GLOBALS["TITLENAME"]} service Already Artica task running PID $pid since {$time}mn\n";}
return;
}
@file_put_contents($pidfile, getmypid());
}
$pid=PID_NUM();
if(!$unix->process_exists($pid)){
if($GLOBALS["OUTPUT"]){echo "Stopping......: ".date("H:i:s")." [INIT]: {$GLOBALS["TITLENAME"]} service already stopped...\n";}
return;
}
$pid=PID_NUM();
$nohup=$unix->find_program("nohup");
$php5=$unix->LOCATE_PHP5_BIN();
$kill=$unix->find_program("kill");
del_iptables_rules();
if($GLOBALS["OUTPUT"]){echo "Stopping......: ".date("H:i:s")." [INIT]: {$GLOBALS["TITLENAME"]} service Shutdown pid $pid...\n";}
unix_system_kill($pid);
for($i=0;$i<5;$i++){
$pid=PID_NUM();
if(!$unix->process_exists($pid)){break;}
if($GLOBALS["OUTPUT"]){echo "Stopping......: ".date("H:i:s")." [INIT]: {$GLOBALS["TITLENAME"]} service waiting pid:$pid $i/5...\n";}
sleep(1);
}
$pid=PID_NUM();
if(!$unix->process_exists($pid)){
if($GLOBALS["OUTPUT"]){echo "Stopping......: ".date("H:i:s")." [INIT]: {$GLOBALS["TITLENAME"]} service success...\n";}
return;
}
if($GLOBALS["OUTPUT"]){echo "Stopping......: ".date("H:i:s")." [INIT]: {$GLOBALS["TITLENAME"]} service shutdown - force - pid $pid...\n";}
unix_system_kill_force($pid);
for($i=0;$i<5;$i++){
$pid=PID_NUM();
if(!$unix->process_exists($pid)){break;}
if($GLOBALS["OUTPUT"]){echo "Stopping......: ".date("H:i:s")." [INIT]: {$GLOBALS["TITLENAME"]} service waiting pid:$pid $i/5...\n";}
sleep(1);
}
if($unix->process_exists($pid)){
if($GLOBALS["OUTPUT"]){echo "Stopping......: ".date("H:i:s")." [INIT]: {$GLOBALS["TITLENAME"]} service failed...\n";}
return;
}
}
function PID_NUM(){
$unix=new unix();
$Masterbin=$unix->find_program("l7-filter");
return $unix->PIDOF($Masterbin);
}
?>