Add iptables to Recommends.

[grml-network.git] / sbin / grml-pptp-xdsl-students

diff --git a/sbin/grml-pptp-xdsl-students b/sbin/grml-pptp-xdsl-students
index 1f549fb..9a26a6b 100755 (executable)
--- a/sbin/grml-pptp-xdsl-students
+++ b/sbin/grml-pptp-xdsl-students
@@ -4,7 +4,6 @@
 # Authors:       grml-team (grml.org), (c) Martin Hecher <hecka@grml.org>
 # Bug-Reports:   see http://grml.org/bugs/
 # License:       This file is licensed under the GPL v2.
-# Latest change: Sam Jän 26 00:13:11 CET 2008 [mika]
 ################################################################################
 
 ################################################################################
@@ -126,10 +125,10 @@ if [ -z "$VPNUSERNAME" ] || [ -z "$VPNPASSWORD" ] ; then
   exit $1
   }
 
-  NETDEVICES="$(cat /proc/net/dev | awk -F: '/[0-9]:/{print $1}')"
+  NETDEVICES="$(grep -ve 'lo:' -ve 'Inter-|' -ve 'face |bytes' /proc/net/dev | awk -F: '{print $1}')"
 
   wireless(){
-   case "$(cat /proc/net/wireless 2>/dev/null)" in *$1*) return 0;; esac
+   [ -d "/sys/class/net/${1}/wireless" ] && return 0
    # Card exists but is not configured yet
    [ -n "$(iwconfig $1 2>/dev/null | head -1)" ] && return 0
    return 1