3164. [func] Enable DLZ modules to retrieve client information,

so that responses can be changed depending on the
			source address of the query. [RT #25768]

bin/tests/system/dlzexternal/tests.sh

@@ -52,4 +52,12 @@ status=`expr $status + $ret`
 test_update deny.example.nil. TXT "86400 TXT helloworld" "helloworld" should_fail && ret=1
 status=`expr $status + $ret`
 
+echo "I:testing passing client info into DLZ driver"
+ret=0
+out=`$DIG $DIGOPTS +short -t txt -q source-addr.example.nil`
+addr=`eval echo $out | cut -f1 -d'#'`
+[ "$addr" = "10.53.0.1" ] || ret=1
+[ "$ret" -eq 0 ] || echo "I:failed"
+status=`expr $status + $ret`
+
 exit $status