include calling process ID in DEFAULT_ROUTE_FILE{,_IPV6}

This should allow multiple "stacked" VPNs to run concurrently while
preserving the default route(s).  There is still a race condition if they
aren't terminated in the correct order.

Signed-off-by: Daniel Lenski <dlenski@gmail.com>

diff --git a/vpnc-script b/vpnc-script
index b11cf73081640307cdc7217f2025d81190e70f16..86c15ace944ed7fd850c294651177063c5627b51 100755 (executable)
--- a/vpnc-script
+++ b/vpnc-script
@@ -79,8 +79,8 @@ PATH=/sbin:/usr/sbin:$PATH
 OS="`uname -s`"
 
 HOOKS_DIR=/etc/vpnc
-DEFAULT_ROUTE_FILE=/var/run/vpnc/defaultroute
-DEFAULT_ROUTE_FILE_IPV6=/var/run/vpnc/defaultroute_ipv6
+DEFAULT_ROUTE_FILE=/var/run/vpnc/defaultroute.${PPID}
+DEFAULT_ROUTE_FILE_IPV6=/var/run/vpnc/defaultroute_ipv6.${PPID}
 RESOLV_CONF_BACKUP=/var/run/vpnc/resolv.conf-backup
 SCRIPTNAME=`basename $0`