From 253e1131686181878e98b86353375c5d94c34286 Mon Sep 17 00:00:00 2001
From: Julien Duponchelle <julien@gns3.net>
Date: Thu, 20 Jul 2017 16:19:20 +0200
Subject: [PATCH] Raise an error if the licence check setting is not a boolean

Fix #1099
---
 gns3server/compute/iou/iou_vm.py | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/gns3server/compute/iou/iou_vm.py b/gns3server/compute/iou/iou_vm.py
index 1a1240b0..b7800b36 100644
--- a/gns3server/compute/iou/iou_vm.py
+++ b/gns3server/compute/iou/iou_vm.py
@@ -360,8 +360,10 @@ class IOUVM(BaseNode):
         """
         Checks for a valid IOU key in the iourc file (paranoid mode).
         """
-
-        license_check = self._config().getboolean("license_check", True)
+        try:
+            license_check = self._config().getboolean("license_check", True)
+        except ValueError:
+            raise IOUError("Invalid licence check setting")
         if license_check is False:
             return