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Commit | Line | Data |
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dced81b2 | 1 | #!/usr/bin/perl |
0edf2f61 | 2 | ################################################## |
843f29e9 | 3 | ##### VPN-Watch.pl Version 0.6a ##### |
0edf2f61 CS |
4 | ################################################## |
5 | # # | |
6 | # VPN-Watch is part of the IPFire Firewall # | |
7 | # # | |
8 | ################################################## | |
c6c9630e | 9 | |
dced81b2 | 10 | use strict; |
c6c9630e | 11 | |
dced81b2 CS |
12 | require '/var/ipfire/general-functions.pl'; |
13 | my @vpnsettings; | |
14 | my $i = 0; | |
15 | my $file = "/var/run/vpn-watch.pid"; | |
ad60e3ea CS |
16 | my $debug = 0; |
17 | ||
a2d5130f CS |
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 | } | |
c6c9630e | 25 | |
dced81b2 | 26 | system("echo $$ > $file"); |
44b5666b | 27 | my $round=0; |
dced81b2 | 28 | while ( $i == 0){ |
64bd20c5 AF |
29 | if ($debug){logger("We will wait 60 seconds before next action.");} |
30 | sleep(60); | |
44b5666b AF |
31 | |
32 | $round++; | |
33 | ||
843f29e9 AF |
34 | # Reset roundcounter after 60 min. To do established check. |
35 | if ($round > 59) { $round=0; } | |
44b5666b AF |
36 | |
37 | if (open(FILE, "<${General::swroot}/vpn/config")) { @vpnsettings = <FILE>; | |
dced81b2 CS |
38 | close(FILE); |
39 | unless(@vpnsettings) {exit 1;} | |
40 | } | |
41 | ||
64bd20c5 | 42 | my $status = `ipsec whack --status`; |
dced81b2 CS |
43 | foreach (@vpnsettings){ |
44 | my @settings = split(/,/,$_); | |
45 | ||
46 | if ($settings[27] ne 'RED'){next;} | |
47 | if ($settings[4] ne 'net'){next;} | |
48 | if ($settings[1] ne 'on'){next;}chomp($settings[29]); | |
49 | if ($settings[29] ne 'on'){next;} | |
50 | ||
51 | my $remotehostname = $settings[11]; | |
ad60e3ea CS |
52 | |
53 | if ($debug){logger("Checking connection to $remotehostname.");} | |
54 | ||
dced81b2 | 55 | my $remoteip = `/usr/bin/ping -c 1 $remotehostname 2>/dev/null | head -n1 | awk '{print \$3}' | tr -d '()' | tr -d ':'`;chomp($remoteip); |
0edf2f61 | 56 | if ($remoteip eq ""){next;if ($debug){logger("Unable to resolve $remotehostname.");}} |
44b5666b | 57 | my $ipmatch= `echo "$status" | grep '$remoteip' | grep '$settings[2]'`; |
bb893dcd | 58 | my $established= `echo "$status" | grep '$settings[2]' | grep 'erouted;'`; |
843f29e9 AF |
59 | my $known= `echo "$status" | grep '$settings[2]'`; |
60 | ||
61 | if ( $ipmatch eq '' && $known ne '' ){ | |
44b5666b AF |
62 | logger("Remote IP for host $remotehostname($remoteip) has changed, restarting ipsec."); |
63 | system("/usr/local/bin/ipsecctrl S $settings[0]"); | |
bb893dcd | 64 | $round=0; |
98ccaf67 | 65 | last; #all connections will reloaded |
44b5666b AF |
66 | #remove this if ipsecctrl can restart single con again |
67 | } | |
bb893dcd CS |
68 | |
69 | if ($debug){logger("Round=".$round." and established=".$established);} | |
70 | ||
71 | if ( ($round == 0) && ($established eq '')) { | |
44b5666b AF |
72 | logger("Connection to $remotehostname($remoteip) not erouted, restarting ipsec."); |
73 | system("/usr/local/bin/ipsecctrl S $settings[0]"); | |
bb893dcd | 74 | $round=0; |
44b5666b AF |
75 | last; #all connections will reloaded |
76 | #remove this if ipsecctrl can restart single con again | |
77 | ||
dced81b2 | 78 | } |
ad60e3ea | 79 | } |
af0e9924 | 80 | if ($debug){logger("All connections may be fine nothing was done.");} |
dced81b2 CS |
81 | } |
82 | ||
83 | sub logger { | |
84 | my $log = shift; | |
85 | system("logger -t vpnwatch \"$log\""); | |
86 | } |