ENH: adding gen_badbots script to generate apache-badbots.conf

git-svn-id: https://fail2ban.svn.sourceforge.net/svnroot/fail2ban/trunk@760 a942ae1a-1317-0410-a47c-b1dcaea8d605

config/filter.d/apache-badbots.conf

@@ -1,7 +1,7 @@
 # Fail2Ban configuration file
 #
 # List of bad bots fetched from http://www.user-agents.org
-# Generated on Sun Feb 11 01:09:15 EST 2007 by ./badbots.sh
+# Generated on Sun Feb 11 01:09:15 EST 2007 by gen_badbots
 #
 # Author: Yaroslav Halchenko
 #

files/gen_badbots

@@ -0,0 +1,83 @@
+#!/bin/bash
+#-------------------------- =+- Shell script -+= --------------------------
+#
+# @file      badbots.sh
+# @date      Sun Feb 11 00:49:53 2007
+# @brief
+#
+#
+#  Yaroslav Halchenko                                      CS@UNM, CS@NJIT
+#  web:     http://www.onerussian.com                      & PSYCH@RUTGERS
+#  e-mail:  yoh@onerussian.com                              ICQ#: 60653192
+#
+# DESCRIPTION (NOTES):
+# 
+# Script to fetch list of agent strings from http://www.user-agents.org
+# which are known to be from mailicious bots, and create apache-badbots.conf
+# filter for fail2ban
+#
+# COPYRIGHT: Yaroslav Halchenko 2007-2010
+#
+# LICENSE:
+#
+#  This program is free software; you can redistribute it and/or modify
+#  it under the terms of the GNU General Public License as published by
+#  the Free Software Foundation; either version 2 of the License, or
+#  (at your option) any later version.
+#
+#  This program is distributed in the hope that it will be useful,
+#  but WITHOUT ANY WARRANTY; without even the implied warranty of
+#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#  GNU General Public License for more details.
+#
+#  You should have received a copy of the GNU General Public License
+#  along with this program; if not, write to the 
+#  Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
+#  MA 02110-1301, USA.
+#
+# On Debian system see /usr/share/common-licenses/GPL for the full license.
+#
+#-----------------\____________________________________/------------------
+
+url=http://www.user-agents.org/index.shtml
+badbots=$(
+for f in "" "?g_l" "?m" "?n_s" "?t_z"; do
+	wget -q -O- $url$f; 
+done \
+| grep -h -B4 '<td class="smallcell" nowrap>S&nbsp;</td>'\
+| sed -e 's/&nbsp;//g' \
+| awk '/^--/{getline; gsub("  ",""); print $0}' \
+| sed -e 's/\([.\:|()]\)/\\\1/g' \
+| tr '\n' '|' \
+| sed -e 's/|$//g'
+)
+
+echo $badbots >| /tmp/badbots.tmp
+
+cat >| apache-badbots.conf <<EOF
+# Fail2Ban configuration file
+#
+# List of bad bots fetched from http://www.user-agents.org
+# Generated on `date` by $0
+#
+# Author: Yaroslav Halchenko
+#
+#
+
+[Definition]
+badbotscustom = EmailCollector|WebEMailExtrac
+badbots = $badbots
+
+# Option:  failregex
+# Notes.:  Regexp to catch known spambots and software alike. Please verify that
+#          it is your intent to block IPs which were driven by abovementioned bots
+# Values:  TEXT
+#
+failregex = ^(?P<host>\S*) -.*"GET.*HTTP.*"(?:%(badbots)s|%(badbotscustom)s)"\$
+
+# Option:  ignoreregex
+# Notes.:  regex to ignore. If this regex matches, the line is ignored.
+# Values:  TEXT
+#
+ignoreregex =
+EOF