From: Gunnar Beutner <gunnar@beutner.name>
Date: Wed, 23 Mar 2016 08:01:10 +0000 (+0100)
Subject: Detect infinite recursion in the zone hierarchy graph
X-Git-Tag: v2.5.0~458
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=b621b00e3a5ca8863472be258470a5a705594616;p=icinga2

Detect infinite recursion in the zone hierarchy graph

fixes #10937
---

diff --git a/lib/remote/zone.cpp b/lib/remote/zone.cpp
index f58930c43..d856b7d55 100644
--- a/lib/remote/zone.cpp
+++ b/lib/remote/zone.cpp
@@ -32,11 +32,16 @@ void Zone::OnAllConfigLoaded(void)
 	m_Parent = Zone::GetByName(GetParentRaw());
 
 	Zone::Ptr zone = m_Parent;
+	int levels = 0;
 
 	while (zone) {
 		m_AllParents.push_back(zone);
 
 		zone = Zone::GetByName(zone->GetParentRaw());
+		levels++;
+
+		if (levels > 32)
+			BOOST_THROW_EXCEPTION(ScriptError("Infinite recursion detected while resolving zone graph. Check your zone hierarchy.", GetDebugInfo()));
 	}
 }