add command for user to enter interfaces on which not to listen for DNS queries

1 files changed, 19 insertions, 0 deletions

diff --git a/templates/service/dns-forwarding/ignore-interface/node.def b/templates/service/dns-forwarding/ignore-interface/node.def
new file mode 100644
index 00000000..5355eecf
--- /dev/null
+++ b/templates/service/dns-forwarding/ignore-interface/node.def
@@ -0,0 +1,19 @@
+multi:
+type: txt
+help: Set interface to ignore DNS queries on
+syntax:expression: exec "
+        intf_array=($(awk '$1 ~ /:$/ { print $1 }' /proc/net/dev))
+        intf_array_len=${#intf_array[*]}
+        i=0
+        while [ $i -lt $intf_array_len ]; do
+             if [ \"${intf_array[$i]}\" == \"$VAR(@):\" ] ; then
+                   exit 0
+             fi
+             let i++
+        done
+        echo Invalid ethernet interface [$VAR(@)]
+        exit 1 "
+
+allowed: local -a array ;
+         array=($(awk '$1 ~ /:$/ { print $1 }' /proc/net/dev));
+         echo -n ${array[@]%:}