]>
git.ipfire.org Git - people/teissler/ipfire-2.x.git/blob - src/scripts/vpn-watch
2 ##################################################
3 ##### VPN-Watch.pl Version 0.7 #####
4 ##################################################
6 # VPN-Watch is part of the IPFire Firewall #
8 ##################################################
12 require '/var/ipfire/general-functions.pl';
15 my $file = "/var/run/vpn-watch.pid";
19 logger
("There my be another vpn-watch runnning because $file exists, vpn-watch will try kill the process.");
23 system("kill -9 $PID");
26 system("echo $$ > $file");
29 if ($debug){logger
("We will wait 60 seconds before next action.");}
34 # Reset roundcounter after 10 min. To do established check.
35 if ($round > 9) { $round=0; }
37 if (open(FILE
, "<${General::swroot}/vpn/config")) { @vpnsettings = <FILE
>;
39 unless(@vpnsettings) {exit 1;}
42 my $status = `ipsec status`;
43 foreach (@vpnsettings){
44 my @settings = split(/,/,$_);
47 if ($settings[27] ne 'RED'){next;}
48 if ($settings[4] ne 'net'){next;}
49 if ($settings[1] ne 'on'){next;}chomp($settings[29]);
50 if ($settings[29] ne 'on'){next;}
52 my $remotehostname = $settings[11];
54 if ($debug){logger
("Checking connection to $remotehostname.");}
56 my $remoteip = `/usr/bin/ping -c 1 $remotehostname 2>/dev/null | head -n1 | awk '{print \$3}' | tr -d '()' | tr -d ':'`;chomp($remoteip);
57 if ($remoteip eq ""){next;if ($debug){logger
("Unable to resolve $remotehostname.");}}
58 my $ipmatch= `echo "$status" | grep '$remoteip' | grep '$settings[2]'`;
59 my $established= `echo "$status" | grep '$settings[2]' | grep -e 'erouted;' -e 'INSTALLED'`;
60 my $known= `echo "$status" | grep '$settings[2]'`;
62 if ( $ipmatch eq '' && $known ne '' ){
63 logger
("Remote IP for host $remotehostname($remoteip) has changed, restarting ipsec.");
64 system("/usr/local/bin/ipsecctrl S $settings[0]");
68 if ($debug){logger
("Round=".$round." and established=".$established);}
70 if ( ($round == 0) && ($established eq '')) {
71 logger
("Connection to $remotehostname($remoteip) not erouted, restarting ipsec.");
72 system("/usr/local/bin/ipsecctrl S $settings[0]");
77 if ($debug){logger
("All connections may be fine nothing was done.");}
82 system("logger -t vpnwatch \"$log\"");