X-Git-Url: http://git.grml.org/?a=blobdiff_plain;f=sbin%2Fgrml-router;h=cd1e19d666d15ab3253ab483543b0c4103f51187;hb=af7e79258099000fb08013a77e1e83680ca4a59f;hp=b959f12f4f73f3180c95102fafe4bdb5b14ee09a;hpb=bc56d430ed4f7eb77355cd3db871d7a7078d051b;p=grml-network.git

diff --git a/sbin/grml-router b/sbin/grml-router
index b959f12..cd1e19d 100755
--- a/sbin/grml-router
+++ b/sbin/grml-router
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Filename:      grml-router
 # Purpose:       set up your box as NAT-router
-# Authors:       grml-team (grml.org), Ulrich Dangel <schula@grml.org>, Michael Prokop <mika@grml.org>
+# Authors:       grml-team (grml.org), Ulrich Dangel <mru@grml.org>, Michael Prokop <mika@grml.org>
 # Bug-Reports:   see http://grml.org/bugs/
 # License:       This file is licensed under the GPL v2.
 ################################################################################
@@ -13,32 +13,27 @@ CONFIG_FILE=/etc/grml/routersetup
 
 check4root || exit 1
 
-if ! [ -r $CONFIG_FILE ] ; then
-  eerror "$CONFIG_FILE could not be read."
-  exit 1
+if [ -r "$CONFIG_FILE" ] ; then
+  . "$CONFIG_FILE"
+else
+  ewarn "Could not read $CONFIG_FILE"
 fi
 
-. $CONFIG_FILE
-
-if [ -z "$OUTDEV" ] ; then
-    eewarn "Outgoing device is not set in $CONFIG_FILE"
-    eewarn "Setting Outgoing device to auto"
-    OUTDEV=auto
-fi
+# defaults if unconfigured
+[ -n "$OUTDEV" ]   || OUTDEV=auto
+[ -n "$IPTABLES" ] || IPTABLES=/sbin/iptables
 
 case "$OUTDEV" in
-    auto|default)
+  auto|default)
     OUTDEV=$(defaultGWDev)
     if [ -z "$OUTDEV" ] ; then
-	    eerror "The outgoing device could not be determined."
-	    eerror "Please adjust OUTDEV in $CONFIG_FILE"
-	    exit 1
+      eerror "The outgoing device could not be determined."
+      eerror "Please adjust OUTDEV in $CONFIG_FILE or set OUTDEV as environment variable"
+      exit 1
     fi
     ;;
 esac
 
-[ -n "$IPTABLES" ] || IPTABLES=/sbin/iptables
-
 check4progs $IPTABLES || exit 1
 
 case "$1" in