From ee915ed5d2ad0ff99775615c497e0c835273c198 Mon Sep 17 00:00:00 2001
From: "Alexander A. Klimov" <alexander.klimov@icinga.com>
Date: Tue, 15 Jan 2019 19:23:20 +0100
Subject: [PATCH] Validate Zone::GetLocalZone() before using

(cherry picked from commit b09e7b287e6b4bbc277c9ef7828e34f884927f82)
---
 lib/icinga/downtime.cpp | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/lib/icinga/downtime.cpp b/lib/icinga/downtime.cpp
index d9b24a3d3..9f0adf708 100644
--- a/lib/icinga/downtime.cpp
+++ b/lib/icinga/downtime.cpp
@@ -252,7 +252,11 @@ String Downtime::AddDowntime(const Checkable::Ptr& checkable, const String& auth
 	attrs->Set("entry_time", Utility::GetTime());
 
 	if (!scheduledDowntime.IsEmpty()) {
-		attrs->Set("authoritative_zone", Zone::GetLocalZone()->GetName());
+		auto localZone (Zone::GetLocalZone());
+
+		if (localZone) {
+			attrs->Set("authoritative_zone", localZone->GetName());
+		}
 	}
 
 	Host::Ptr host;
-- 
2.40.0