From 727e2a1d9dfa66bdc4a5042f09c80f910c11f7b9 Mon Sep 17 00:00:00 2001
From: Denis Silakov <dsilakov@virtuozzo.com>
Date: Fri, 13 Jan 2017 18:44:40 +0300
Subject: [PATCH] Make gateway processing POSIX-compliant

---
 modules.d/40network/dhclient-script.sh | 17 ++++++++++-------
 1 file changed, 10 insertions(+), 7 deletions(-)

diff --git a/modules.d/40network/dhclient-script.sh b/modules.d/40network/dhclient-script.sh
index 2ad04f6be..3d9af99f2 100755
--- a/modules.d/40network/dhclient-script.sh
+++ b/modules.d/40network/dhclient-script.sh
@@ -48,13 +48,16 @@ setup_interface() {
             # point-to-point connection => set explicit route to gateway
             echo ip route add $gw dev $netif > /tmp/net.$netif.gw
         fi
-        IFS=' ' read -r main_gw other_gw <<< "$gw"
-        echo ip route replace default via $main_gw dev $netif >> /tmp/net.$netif.gw
-        if [ -n "$other_gw" ] ; then
-            for g in $other_gw; do
-                echo ip route add default via $g dev $netif >> /tmp/net.$netif.gw
-            done
-        fi
+
+        echo "$gw" | {
+            IFS=' ' read -r main_gw other_gw
+            echo ip route replace default via $main_gw dev $netif >> /tmp/net.$netif.gw
+            if [ -n "$other_gw" ] ; then
+                for g in $other_gw; do
+                    echo ip route add default via $g dev $netif >> /tmp/net.$netif.gw
+                done
+            fi
+        }
     fi
 
     if getargbool 1 rd.peerdns; then
-- 
2.47.2