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fail2ban

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+#!/bin/bash
+#
+# munin plugin to monitor bans on Fail2ban jails
+#
+# Origional Author: Thomas Leveil
+# Contributors: none
+# Version: 1.1
+#
+###############################################
+# You have to specify a different user in the munin-node config file as follow:
+#
+# [fail2ban_all_jails]
+# user root
+###############################################
+#
+# HISTORY
+# v1.1 : better autoconf
+#
+#%# family=contrib
+#%# capabilities=autoconf
+
+
+case $1 in
+	autoconf)
+		if [ -z $(which fail2ban-client) ]; then
+			echo no
+			exit 1
+		fi
+		if [ $(whoami) != "root" ]; then
+			echo "no (fail2ban-client found but must run as root)"
+			exit 1
+		fi
+		if [ -x $(which fail2ban-client) ]; then
+			echo yes
+			exit 0
+		else
+			echo "no (fail2ban-client found but not executable)"
+			exit 1
+		fi
+		;;
+	config)
+		echo "graph_title Fail2ban"
+		echo 'graph_vlabel active bans'
+		echo 'graph_category Network'
+		echo 'graph_info number of jailled ip'
+		echo 'graph_info This graph shows the amount of bans caught by Fail2ban'
+		#$(which fail2ban-client) status | awk '/Jail list:/ { for (i=4; i<=NF; i++) { sub(/,$/,"",$i); jail=$i; sub(/-/,"_",$i); print "fail2ban_"$i".label "jail } }'
+		$(which fail2ban-client) status | sed  s/-//g | awk '/Jail list:/ { for (i=4; i<=NF; i++) { sub(/,$/,"",$i); jail=$i; print "fail2ban_"$i".label "jail } }'
+		exit 0
+		;;
+esac
+
+ $(which fail2ban-client) status | awk '/Jail list:/ { for (i=4; i<=NF; i++) { sub(/,$/,"",$i); print $i } }' | \
+  while read JAIL; do 
+    #echo -n "fail2ban_${JAIL//-/_}.value "
+    echo -n "fail2ban_${JAIL//-/}.value "
+    $(which fail2ban-client) status $JAIL | sed  s/-//g | awk '/Currently banned:/ { print $NF }'
+  done
+  

ircd

@@ -0,0 +1,105 @@
+#!/usr/bin/php
+<?php
+#
+# IRCd Monitoring for Munin
+# 
+# by Martin Weinelt
+#
+# $Log$
+#  Revision 1.0	2009/09/16 05:03:31 UTC	hexa-
+#  Initial Release featuring 
+# 	autoconf-support,
+#	reading user/channels/operators count
+#
+#
+#%# capabilities=autoconf
+
+$_nick = "munin-ircd";
+$_pass = "apa";
+$_host = "tcp://88.80.5.73"; 
+#// change to ssl:// or tls:// for ssl-tunneled-connection, tcp:// for tcp-socket
+$_port = 6667;
+
+if (isset($argv['1']) && $argv['1'] == "config") {
+
+	print "host_name ".php_uname('n')."\n";
+
+	print "graph_title IRCd Status\n";
+	print "graph_category Services\n";
+	print "graph_order clients channels operators\n";
+	print "graph_args --base 1000 -l 0\n";
+
+	print "clients.label Clients\n";
+	print "clients.draw LINE2\n";
+
+	print "channels.label Channels\n";
+	print "channels.draw LINE2\n";
+
+	print "operators.label Operators\n";
+	print "operators.draw LINE2\n";
+
+	exit;
+
+} elseif (isset($argv['1']) && $argv['1'] == "autoconf") {
+
+	$sock = fsockopen($_host, $_port);
+
+	if (!$sock) echo "no\n";
+	else echo "yes\n";
+
+	fclose($sock);
+
+	exit;
+
+}
+
+
+$sock = fsockopen($_host, $_port);
+
+if ($sock) {
+	fputs($sock, "PASS ".$_pass."\n");
+	fputs($sock, "NICK ".$_nick."\n");
+	fputs($sock, "USER munin munin localhost :munin-ircd\n");
+
+	while ($buffer = @fgets($sock, 1024)) {
+
+		$bits = explode(" ", trim($buffer));
+
+		if ($bits['0'] == "PING") { fputs($sock, "PONG ".$bits['1']."\n"); }
+
+		if (isset($argv['1']) && $argv['1'] == "debug") echo $buffer."\n";
+
+		// RAW
+		//  End of MOTD / MOTD missing
+		if ($bits['1'] == "422" || $bits['1'] == "376")  {
+
+			fputs($sock, "LUSERS\n");
+
+		} elseif ($bits['1'] == "252") {
+
+			// :irc.linuxlounge.net 252 munin-ircd 1 :operator(s) online
+			print "operators.value ".$bits['3']."\n";
+
+		} elseif ($bits['1'] == "254") {
+
+			// :irc.linuxlounge.net 252 munin-ircd 2 :channels formed
+			print "channels.value ".$bits['3']."\n";
+
+		} elseif ($bits['1'] == "255") {
+
+			// :irc.linuxlounge.net 252 munin-ircd :Current Global Users: 4  Max: 8
+			print "clients.value ".$bits['5']."\n";
+
+			// and disconnect
+			fputs($sock, "QUIT :munin-ircd-monitoring\n");
+
+		}
+
+
+	}
+
+}
+
+fclose($sock);
+
+?>