#!/usr/bin/perl
-##################################################
-##### VPN-Watch.pl Version 0.1 #####
-##################################################
+##################################################
+##### VPN-Watch.pl Version 0.4a #####
+##################################################
+# #
+# VPN-Watch is part of the IPFire Firewall #
+# #
+##################################################
use strict;
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");
+ }
system("echo $$ > $file");
while ( $i == 0){
- if (open(FILE, "${General::swroot}/vpn/config")) {
+ if ($debug){logger("We will wait 300 seconds before next action.");}
+ sleep(300);
+
+ if (open(FILE, "<${General::swroot}/vpn/config")) {
@vpnsettings = <FILE>;
close(FILE);
unless(@vpnsettings) {exit 1;}
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 $remoteip.");
+ if ($remoteip eq ""){next;if ($debug){logger("Unable to resolve $remotehostname.");}}
+ my $connected= `ipsec whack --status | grep $remoteip`;
+ my $established= `ipsec whack --status | grep '$settings[2]' | grep 'IPsec SA established'`;
+
+ if ( $established eq '' || $connected eq '' ){
+ logger("Remote IP for host $remotehostname has changed or no connection is established, restarting connection to $remoteip.");
system("/usr/local/bin/ipsecctrl S $settings[0]");
- next;
+ last; #all connections will reloaded
}
- my $hostip = `cat /var/ipfire/red/local-ipaddress 2>/dev/null`;
- chomp($hostip);
- if (system("ipsec whack --status | grep $hostip >/dev/null")){
- logger("Our own IP has changed to $hostip restarting connection.");
- system("/usr/local/bin/ipsecctrl S $settings[1]");
- next;}
- }
- logger("Nothing was done.");
- sleep(300);
+ }
+ if ($debug){logger("All connections may be fine nothing was done.");}
}
sub logger {
my $log = shift;
system("logger -t vpnwatch \"$log\"");
}
+