From: Arne Fitzenreiter <arne_f@ipfire.org>
Date: Mon, 22 Aug 2011 18:47:35 +0000 (+0200)
Subject: ipsec: change ipsecctrl and vpn-watch to restart a single tunnel.
X-Git-Url: http://git.ipfire.org/?p=people%2Fteissler%2Fipfire-2.x.git;a=commitdiff_plain;h=6e2ba31bff62dc8eda9450139961cfb3c668240f

ipsec: change ipsecctrl and vpn-watch to restart a single tunnel.
---

diff --git a/src/misc-progs/ipsecctrl.c b/src/misc-progs/ipsecctrl.c
index a018289f6..0b0517713 100644
--- a/src/misc-progs/ipsecctrl.c
+++ b/src/misc-progs/ipsecctrl.c
@@ -142,10 +142,42 @@ int decode_line (char *s,
 */
 void turn_connection_on (char *name, char *type) {
 /*
-    if you find a way to start a single connection without changing all add it
-    here. Change also vpn-watch.
+	Rename the connection and run ipsec update and rename it back to readd
+	a deleted connection. Because ipsec update ignores connection that have
+	not changed since last load.
 */
-        safe_system("/etc/rc.d/init.d/ipsec restart >/dev/null");
+        char command[STRING_SIZE];
+        memset(command, 0, STRING_SIZE);
+        snprintf(command, STRING_SIZE - 1, 
+                "sed -i -e 's|^conn %s$|conn %s-renamed|g' /var/ipfire/vpn/ipsec.conf >/dev/null", name, name);
+        safe_system(command);
+
+	// Down and delete IKEv2 Tunnel before ipsec update
+        snprintf(command, STRING_SIZE - 1, 
+                "/usr/sbin/ipsec stroke down %s >/dev/null", name);
+        safe_system(command);
+        snprintf(command, STRING_SIZE - 1, 
+                "/usr/sbin/ipsec stroke delete %s >/dev/null", name);
+        safe_system(command);
+
+        safe_system("/etc/rc.d/init.d/ipsec update >/dev/null");
+
+	sleep(1);
+
+	// Back to original name
+	snprintf(command, STRING_SIZE - 1, 
+                "sed -i -e 's|^conn %s-renamed$|conn %s|g' /var/ipfire/vpn/ipsec.conf >/dev/null", name, name);
+        safe_system(command);
+
+	// Down and delete IKEv2 Tunnel before ipsec update
+        snprintf(command, STRING_SIZE - 1, 
+                "/usr/sbin/ipsec stroke down %s-renamed >/dev/null", name);
+        safe_system(command);
+        snprintf(command, STRING_SIZE - 1, 
+                "/usr/sbin/ipsec stroke delete %s-renamed >/dev/null", name);
+        safe_system(command);
+
+        safe_system("/etc/rc.d/init.d/ipsec update >/dev/null");
 }
 /*
     issue ipsec commmands to turn off connection 'name'
@@ -162,6 +194,7 @@ void turn_connection_off (char *name) {
         snprintf(command, STRING_SIZE - 1, 
                 "/usr/sbin/ipsec stroke delete %s >/dev/null", name);
         safe_system(command);
+
         safe_system("/usr/sbin/ipsec whack --rereadall >/dev/null");
         safe_system("/usr/sbin/ipsec stroke rereadall >/dev/null");
 
diff --git a/src/scripts/vpn-watch b/src/scripts/vpn-watch
index 63b2442ca..563c14c47 100755
--- a/src/scripts/vpn-watch
+++ b/src/scripts/vpn-watch
@@ -1,6 +1,6 @@
 #!/usr/bin/perl 
 ##################################################
-#####     VPN-Watch.pl     Version 0.6a      #####
+#####     VPN-Watch.pl     Version 0.7       #####
 ##################################################
 #                                                #
 #   VPN-Watch is part of the IPFire Firewall     #
@@ -39,12 +39,11 @@ while ( $i == 0){
     unless(@vpnsettings) {exit 1;}
   }
 
-my $status = `ipsec whack --status`;
+my $status = `ipsec status`;
 foreach (@vpnsettings){
  my @settings = split(/,/,$_);
   
   chomp($settings[30]);
-  if ($settings[30] eq 'ikev2'){next;}
   if ($settings[27] ne 'RED'){next;}
   if ($settings[4] ne 'net'){next;}  
   if ($settings[1] ne 'on'){next;}chomp($settings[29]);
@@ -57,15 +56,13 @@ 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 $ipmatch= `echo "$status" | grep '$remoteip' | grep '$settings[2]'`;
-  my $established= `echo "$status" | grep '$settings[2]' | grep 'erouted;'`;
+  my $established= `echo "$status" | grep '$settings[2]' | grep -e 'erouted;' -e 'INSTALLED'`;
   my $known= `echo "$status" | grep '$settings[2]'`;
 
   if ( $ipmatch eq '' && $known ne '' ){
     logger("Remote IP for host $remotehostname($remoteip) has changed, restarting ipsec.");
     system("/usr/local/bin/ipsecctrl S $settings[0]");
     $round=0;
-    last; #all connections will reloaded
-          #remove this if ipsecctrl can restart single con again
   }
 
   if ($debug){logger("Round=".$round." and established=".$established);}
@@ -74,8 +71,6 @@ foreach (@vpnsettings){
     logger("Connection to $remotehostname($remoteip) not erouted, restarting ipsec.");
     system("/usr/local/bin/ipsecctrl S $settings[0]");
     $round=0;
-    last; #all connections will reloaded
-          #remove this if ipsecctrl can restart single con again
 
   }
  }