--- iproute2.orig/ip/ifcfg	2000-04-16 21:42:50 +0400

+++ iproute2/ip/ifcfg	2003-10-16 13:11:09 +0400

@@ -1,4 +1,6 @@

-#! /bin/bash

+#! /bin/sh

+

+export PATH="/sbin:/usr/sbin:/usr/local/sbin:/bin:/usr/bin:/usr/local/bin"

 CheckForwarding () {

   local sbase fwd

@@ -22,17 +24,17 @@

   local class;

   class=${1%%.*}

-  if [ "$1" = "" -o $class -eq 0 -o $class -ge 224 ]; then return 0

-  elif [ $class -ge 224 ]; then return 0

-  elif [ $class -ge 192 ]; then return 24

-  elif [ $class -ge 128 ]; then return 16

+  if [ -z "$1" ] || [ "$class" -eq 0 -o "$class" -ge 224 ]; then return 0

+  elif [ "$class" -ge 224 ]; then return 0

+  elif [ "$class" -ge 192 ]; then return 24

+  elif [ "$class" -ge 128 ]; then return 16

   else return 8; fi

 }

 label="label $1"

 ldev="$1"

 dev=${1%:*}

-if [ "$dev" = "" -o "$1" = "help" ]; then

+if [ -z "$dev" -o "$1" = "help" ]; then

   echo "Usage: ifcfg DEV [[add|del [ADDR[/LEN]] [PEER] | stop]" 1>&2

   echo "       add - add new address" 1>&2

   echo "       del - delete address" 1>&2

@@ -66,12 +68,12 @@

 ipaddr=

 pfxlen=

-if [ "$1" != "" ]; then

+if [ -n "$1" ]; then

   ipaddr=${1%/*}

   if [ "$1" != "$ipaddr" ]; then

     pfxlen=${1#*/}

   fi

-  if [ "$ipaddr" = "" ]; then

+  if [ -z "$ipaddr" ]; then

     echo "$1 is bad IP address." 1>&2

     exit 1

   fi

@@ -79,21 +81,21 @@

 shift

 peer=$1

-if [ "$peer" != "" ]; then

-  if [ "$pfxlen" != "" -a "$pfxlen" != "32" ]; then

+if [ -n "$peer" ]; then

+  if [ -n "$pfxlen" -a "$pfxlen" != "32" ]; then

     echo "Peer address with non-trivial netmask." 1>&2

     exit 1

   fi

   pfx="$ipaddr peer $peer"

 else

-  if [ "$pfxlen" = "" ]; then

+  if [ -z "$pfxlen" ]; then

     ABCMaskLen $ipaddr

     pfxlen=$?

   fi

   pfx="$ipaddr/$pfxlen"

 fi

-if [ "$ldev" = "$dev" -a "$ipaddr" != "" ]; then

+if [ "$ldev" = "$dev" -a -n "$ipaddr" ]; then

   label=

 fi

@@ -108,7 +110,7 @@

   echo "Error: cannot enable interface $dev." 1>&2

   exit 1

 fi

-if [ "$ipaddr" = "" ]; then exit 0; fi

+if [ -z "$ipaddr" ]; then exit 0; fi

 if ! arping -q -c 2 -w 3 -D -I $dev $ipaddr ; then

   echo "Error: some host already uses address $ipaddr on $dev." 1>&2

@@ -127,14 +129,14 @@

 ip route add unreachable 224.0.0.0/24 >& /dev/null 

 ip route add unreachable 255.255.255.255 >& /dev/null

-if [ `ip link ls $dev | grep -c MULTICAST` -ge 1 ]; then

+if [ "`ip link ls $dev | grep -c MULTICAST`" -ge 1 ]; then

   ip route add 224.0.0.0/4 dev $dev scope global >& /dev/null

 fi

 if [ $fwd -eq 0 ]; then

   if [ $noarp -eq 0 ]; then

     ip ro append default dev $dev metric 30000 scope global

-  elif [ "$peer" != "" ]; then

+  elif [ -n "$peer" ]; then

     if ping -q -c 2 -w 4 $peer ; then

       ip ro append default via $peer dev $dev metric 30001

     fi