| | 1 | #!/usr/bin/perl |
| | 2 | ################################################## |
| | 3 | ##### VPN-Watch.pl Version 0.7 ##### |
| | 4 | ################################################## |
| | 5 | # # |
| | 6 | # VPN-Watch is part of the IPFire Firewall # |
| | 7 | # # |
| | 8 | ################################################## |
| | 9 | |
| | 10 | use strict; |
| | 11 | |
| | 12 | require '/var/ipfire/general-functions.pl'; |
| | 13 | my @vpnsettings; |
| | 14 | my $i = 0; |
| | 15 | my $file = "/var/run/vpn-watch.pid"; |
| | 16 | my $debug = 0; |
| | 17 | |
| | 18 | if ( -e $file ){ |
| | 19 | logger("There my be another vpn-watch runnning because $file exists, vpn-watch will try kill the process."); |
| | 20 | open(FILE, "<$file"); |
| | 21 | my $PID = <FILE>; |
| | 22 | close(FILE); |
| | 23 | system("kill -9 $PID"); |
| | 24 | } |
| | 25 | |
| | 26 | system("echo $$ > $file"); |
| | 27 | my $round=0; |
| | 28 | while ( $i == 0){ |
| | 29 | if ($debug){logger("We will wait 60 seconds before next action.");} |
| | 30 | sleep(60); |
| | 31 | |
| | 32 | $round++; |
| | 33 | |
| | 34 | # Reset roundcounter after 60 min. To do established check. |
| | 35 | if ($round > 59) { $round=0; } |
| | 36 | |
| | 37 | if (open(FILE, "<${General::swroot}/vpn/config")) { @vpnsettings = <FILE>; |
| | 38 | close(FILE); |
| | 39 | unless(@vpnsettings) {exit 1;} |
| | 40 | } |
| | 41 | |
| | 42 | my $status = `ipsec status`; |
| | 43 | foreach (@vpnsettings){ |
| | 44 | my @settings = split(/,/,$_); |
| | 45 | |
| | 46 | chomp($settings[30]); |
| | 47 | if ($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;} |
| | 51 | |
| | 52 | my $remotehostname = $settings[11]; |
| | 53 | |
| | 54 | if ($debug){logger("Checking connection to $remotehostname.");} |
| | 55 | |
| | 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]'`; |
| | 61 | |
| | 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]"); |
| | 65 | $round=0; |
| | 66 | } |
| | 67 | |
| | 68 | if ($debug){logger("Round=".$round." and established=".$established);} |
| | 69 | |
| | 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]"); |
| | 73 | $round=0; |
| | 74 | |
| | 75 | } |
| | 76 | } |
| | 77 | if ($debug){logger("All connections may be fine nothing was done.");} |
| | 78 | } |
| | 79 | |
| | 80 | sub logger { |
| | 81 | my $log = shift; |
| | 82 | system("logger -t vpnwatch \"$log\""); |
| | 83 | } |
projects / people / pmueller / ipfire-2.x.git / blame_incremental