From e73b3dd53edbd961a092a6d737b9c7e8978ce748 Mon Sep 17 00:00:00 2001
From: Steven Hiscocks <steven@hiscocks.me.uk>
Date: Mon, 27 May 2013 18:11:08 +0100
Subject: [PATCH] BF: fail2ban-regex adding duplicate lines with each regex

This issue was caused by the fact that every "line" is processed for each
regex, meaning each line was duplicated for every regex. This caused
duplicate fail matches and the buffer filling too quickly and possibly
missing failures.
---
 bin/fail2ban-regex | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/bin/fail2ban-regex b/bin/fail2ban-regex
index 2b563caec..9302fd6ad 100755
--- a/bin/fail2ban-regex
+++ b/bin/fail2ban-regex
@@ -277,7 +277,12 @@ class Fail2banRegex:
 					return False
 			finally:
 				self.__filter.delFailRegex(0)
+				try:
+					del self.__filter._Filter__lineBuffer[-1]
+				except IndexError:
+					pass
 				logging.getLogger("fail2ban").setLevel(logging.CRITICAL)
+		self.__filter.processLine(line)
 		for regex in self.__ignoreregex:
 					self.__filter.delIgnoreRegex(0)