From 6c579950f6a91170855a003345105f22bfde6abe Mon Sep 17 00:00:00 2001
From: sledgehammer999 <hammered999@gmail.com>
Date: Sat, 9 May 2015 20:04:03 +0300
Subject: [PATCH] Correctly detect trackers with invalid TLDs or IPv4/IPv6
 addresses.

---
 src/gui/transferlistfilterswidget.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/gui/transferlistfilterswidget.cpp b/src/gui/transferlistfilterswidget.cpp
index eabb2abd8..cc2c75acc 100644
--- a/src/gui/transferlistfilterswidget.cpp
+++ b/src/gui/transferlistfilterswidget.cpp
@@ -718,6 +718,10 @@ QString TrackerFiltersList::getHost(const QString &trakcer) const
     QUrl url(trakcer);
     QString longHost = url.host();
     QString tld = url.topLevelDomain();
+    // We get empty tld when it is invalid or an IPv4/IPv6 address,
+    // so just return the full host
+    if (tld.isEmpty())
+        return longHost;
     // We want the domain + tld. Subdomains should be disregarded
     int index = longHost.lastIndexOf('.', -(tld.size() + 1));
     if (index == -1)