* original rules from /etc/ufw/*.rules

[lab.git] / iproute / setroute.sh

diff --git a/iproute/setroute.sh b/iproute/setroute.sh
old mode 100644 (file)
new mode 100755 (executable)
index f493901..2ff477e
--- a/iproute/setroute.sh
+++ b/iproute/setroute.sh
@@ -1,5 +1,8 @@
 #!/bin/sh
 
+# set individualized routing table and policy for each network device
+
+
 set -x
 
 ## INTERFACES(5)
@@ -28,6 +31,11 @@ fi
 
 # get IP address, network mask, default gateway info
 IPADDR=`/sbin/ip addr show dev ${IFACE} | grep -w inet | cut -d t -f 2 | cut -d ' ' -f 2 | cut -d / -f 1`
+if [ -z "${IPADDR}" ]; then
+    # fail to bind IP address to device
+    echo "${IFACE} has no IP address."
+    exit
+fi
 NETWORK=`/sbin/ip route show dev ${IFACE} | grep -w ${IPADDR} | cut -d ' ' -f 1`
 
 if [ -z "${GATEWAY}" ]; then