[people/pmueller/ipfire-2.x.git] / src / scripts / vpn-watch

#!/usr/bin/perl 
################################################## 
#####     VPN-Watch.pl     Version 0.3       ##### 
################################################## 

use strict;

require '/var/ipfire/general-functions.pl';
my @vpnsettings;
my $i = 0;
my $file = "/var/run/vpn-watch.pid";
my $debug = 0;

if ( -e $file ){
  logger("There my be another vpn-watch runnning because $file exists, vpn-watch will try kill the process.");
  open(FILE, "<$file");
    my $PID = <FILE>;
    close(FILE);
    system("kill -9 $PID");
  }
if ($debug){logger("Call of vpn-watch pid not is not existing.");}

system("echo $$ > $file");
    
while ( $i == 0){
 sleep(300);
  if ($debug){logger("We will wait 300 seconds before next action.");}
  
  if (open(FILE, "<${General::swroot}/vpn/config")) {
    @vpnsettings = <FILE>;
    close(FILE);
    unless(@vpnsettings) {exit 1;}
  }

foreach (@vpnsettings){
 my @settings = split(/,/,$_);

  if ($settings[27] ne 'RED'){next;}
  if ($settings[4] ne 'net'){next;}  
  if ($settings[1] ne 'on'){next;}chomp($settings[29]);
  if ($settings[29] ne 'on'){next;}
 
  my $remotehostname = $settings[11];
  
  if ($debug){logger("Checking connection to $remotehostname.");}
  
  my $remoteip = `/usr/bin/ping -c 1 $remotehostname 2>/dev/null | head -n1 | awk '{print \$3}' | tr -d '()' | tr -d ':'`;chomp($remoteip);
  if ($remoteip eq ""){next;}
  if (system("ipsec whack --status | grep $remoteip >/dev/null")){
    logger("Remote IP for host $remotehostname has changed or is not connected, restarting connection to $remoteip.");
    system("/usr/local/bin/ipsecctrl S $settings[0]");
    next;
  }
 if ($debug){logger("All connections may be fine nothing was done.");}
 }
}

sub logger {
        my $log = shift;
        system("logger -t vpnwatch \"$log\"");
}
Commit	Line	Data
	1	#!/usr/bin/perl
	2	##################################################
	3	##### VPN-Watch.pl Version 0.3 #####
	4	##################################################
	5
	6	use strict;
	7
	8	require '/var/ipfire/general-functions.pl';
	9	my @vpnsettings;
	10	my $i = 0;
	11	my $file = "/var/run/vpn-watch.pid";
	12	my $debug = 0;
	13
	14	if ( -e $file ){
	15	logger("There my be another vpn-watch runnning because $file exists, vpn-watch will try kill the process.");
	16	open(FILE, "<$file");
	17	my $PID = <FILE>;
	18	close(FILE);
	19	system("kill -9 $PID");
	20	}
	21	if ($debug){logger("Call of vpn-watch pid not is not existing.");}
	22
	23	system("echo $$ > $file");
	24
	25	while ( $i == 0){
	26	sleep(300);
	27	if ($debug){logger("We will wait 300 seconds before next action.");}
	28
	29	if (open(FILE, "<${General::swroot}/vpn/config")) {
	30	@vpnsettings = <FILE>;
	31	close(FILE);
	32	unless(@vpnsettings) {exit 1;}
	33	}
	34
	35	foreach (@vpnsettings){
	36	my @settings = split(/,/,$_);
	37
	38	if ($settings[27] ne 'RED'){next;}
	39	if ($settings[4] ne 'net'){next;}
	40	if ($settings[1] ne 'on'){next;}chomp($settings[29]);
	41	if ($settings[29] ne 'on'){next;}
	42
	43	my $remotehostname = $settings[11];
	44
	45	if ($debug){logger("Checking connection to $remotehostname.");}
	46
	47	my $remoteip = `/usr/bin/ping -c 1 $remotehostname 2>/dev/null \| head -n1 \| awk '{print \$3}' \| tr -d '()' \| tr -d ':'`;chomp($remoteip);
	48	if ($remoteip eq ""){next;}
	49	if (system("ipsec whack --status \| grep $remoteip >/dev/null")){
	50	logger("Remote IP for host $remotehostname has changed or is not connected, restarting connection to $remoteip.");
	51	system("/usr/local/bin/ipsecctrl S $settings[0]");
	52	next;
	53	}
	54	if ($debug){logger("All connections may be fine nothing was done.");}
	55	}
	56	}
	57
	58	sub logger {
	59	my $log = shift;
	60	system("logger -t vpnwatch \"$log\"");
	61	}