From 732ae3ce1997d75a738fef35ffd3b9bea7d94e01 Mon Sep 17 00:00:00 2001
From: Matt Darfeuille <matdarf@gmail.com>
Date: Sat, 4 Aug 2018 15:29:53 +0200
Subject: [PATCH] Ipcalc: Fail when missing arguments

Signed-off-by: Matt Darfeuille <matdarf@gmail.com>
Signed-off-by: Tom Eastep <teastep@shorewall.net>
---
 Shorewall-core/lib.cli | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Shorewall-core/lib.cli b/Shorewall-core/lib.cli
index c3d24e29f..1e2ea2507 100644
--- a/Shorewall-core/lib.cli
+++ b/Shorewall-core/lib.cli
@@ -3775,7 +3775,7 @@ ipcalc_command() {
     elif [ $# -eq 3 ]; then
 	address=$2
 	vlsm=$(ip_vlsm $3)
-    elif [ $# -eq 0 ]; then
+    elif [ $# -eq 1 ]; then
 	missing_argument
     else
 	too_many_arguments $4