vpn-watch: restart ipsec only if ip's has changed.

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

diff --git a/src/scripts/vpn-watch b/src/scripts/vpn-watch
index e510641a84d614cf347ef4fec4d43072d5a6aae8..3f7757adb288973773133fe2a5dd7e302b41a798 100755 (executable)
--- a/src/scripts/vpn-watch
+++ b/src/scripts/vpn-watch
@@ -1,6 +1,6 @@
 #!/usr/bin/perl 
 ##################################################
-#####     VPN-Watch.pl     Version 0.4       #####
+#####     VPN-Watch.pl     Version 0.4c      #####
 ##################################################
 #                                                #
 #   VPN-Watch is part of the IPFire Firewall     #
@@ -22,13 +22,12 @@ if ( -e $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 ($debug){logger("We will wait 60 seconds before next action.");}
+    sleep(60);
   
   if (open(FILE, "<${General::swroot}/vpn/config")) {
     @vpnsettings = <FILE>;
@@ -36,6 +35,7 @@ while ( $i == 0){
     unless(@vpnsettings) {exit 1;}
   }
 
+my $status = `ipsec whack --status`;
 foreach (@vpnsettings){
  my @settings = split(/,/,$_);
 
@@ -50,16 +50,15 @@ foreach (@vpnsettings){
   
   my $remoteip = `/usr/bin/ping -c 1 $remotehostname 2>/dev/null | head -n1 | awk '{print \$3}' | tr -d '()' | tr -d ':'`;chomp($remoteip);
   if ($remoteip eq ""){next;if ($debug){logger("Unable to resolve $remotehostname.");}}
-  my $connected=system("ipsec whack --status | grep $remoteip >/dev/null");
-  my $established=system("ipsec whack --status | grep '$settings[1]' | grep 'ISAKMP SA established' >/dev/null"); 
+  my $ipmatch= `echo "$status" | grep $remoteip | grep $settings[2]`;
   
-  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;
+  if ( $ipmatch eq '' ){
+    logger("Remote IP for host $remotehostname-$remoteip has changed, restarting ipsec.");
+    system("/usr/local/bin/ipsecctrl S");
+    last; #all connections will reloaded
   }
- if ($debug){logger("All connections may be fine nothing was done.");}
  }
+ if ($debug){logger("All connections may be fine nothing was done.");}
 }
 
 sub logger {