229 lines
6.5 KiB
Perl
Executable file
229 lines
6.5 KiB
Perl
Executable file
#!@PERL@ -w
|
|
|
|
# -----------------------------------------------------------------------------
|
|
# File Name: check_ircd.pl
|
|
#
|
|
# Author: Richard Mayhew - South Africa
|
|
#
|
|
# Date: 1999/09/20
|
|
#
|
|
#
|
|
# Description: This script will check to see if an IRCD is running
|
|
# about how many users it has
|
|
#
|
|
# Email: netsaint@splash.co.za
|
|
#
|
|
# -----------------------------------------------------------------------------
|
|
# Copyright 1999 (c) Richard Mayhew
|
|
#
|
|
# If any changes are made to this script, please mail me a copy of the
|
|
# changes :)
|
|
#
|
|
# Some code taken from Charlie Cook (check_disk.pl)
|
|
#
|
|
# License GPL
|
|
#
|
|
# -----------------------------------------------------------------------------
|
|
# Date Author Reason
|
|
# ---- ------ ------
|
|
#
|
|
# 1999/09/20 RM Creation
|
|
#
|
|
# 1999/09/20 TP Changed script to use strict, more secure by
|
|
# specifying $ENV variables. The bind command is
|
|
# still insecure through. Did most of my work
|
|
# with perl -wT and 'use strict'
|
|
#
|
|
# test using check_ircd.pl (irc-2.mit.edu|irc.erols.com|irc.core.com)
|
|
# 2002/05/02 SG Fixed for Embedded Perl
|
|
#
|
|
|
|
# ----------------------------------------------------------------[ Require ]--
|
|
|
|
require 5.14.0;
|
|
|
|
# -------------------------------------------------------------------[ Uses ]--
|
|
|
|
use strict;
|
|
use IO::Socket::IP;
|
|
use Getopt::Long;
|
|
use vars qw($opt_V $opt_h $opt_t $opt_p $opt_H $opt_w $opt_c $opt_4 $opt_6 $verbose);
|
|
use vars qw($PROGNAME);
|
|
use vars qw($ClientSocket);
|
|
use FindBin;
|
|
use lib "$FindBin::Bin";
|
|
use utils qw($TIMEOUT %ERRORS &print_revision &support &usage);
|
|
|
|
# ----------------------------------------------------[ Function Prototypes ]--
|
|
|
|
sub print_help ();
|
|
sub print_usage ();
|
|
sub connection ($$$$);
|
|
|
|
# -------------------------------------------------------------[ Environment ]--
|
|
|
|
$ENV{'PATH'}='@TRUSTED_PATH@';
|
|
$ENV{'BASH_ENV'}='';
|
|
$ENV{'ENV'}='';
|
|
|
|
# -----------------------------------------------------------------[ Global ]--
|
|
|
|
$PROGNAME = "check_ircd";
|
|
# nickname shouldn't be longer than 9 chars, this might happen with large PIDs
|
|
# To prevent this, we cut of the part over 10000
|
|
my $NICK="ircd" . $$ % 10000;
|
|
my $USER_INFO="monitor localhost localhost : ";
|
|
|
|
# -------------------------------------------------------------[ connection ]--
|
|
sub connection ($$$$)
|
|
{
|
|
my ($in_remotehost,$in_users,$in_warn,$in_crit) = @_;
|
|
my $state;
|
|
my $answer;
|
|
|
|
print "connection(debug): users = $in_users\n" if $verbose;
|
|
$in_users =~ s/\ //g;
|
|
|
|
if ($in_users >= 0) {
|
|
|
|
if ($in_users > $in_crit) {
|
|
$state = "CRITICAL";
|
|
$answer = "Critical Number Of Clients Connected : $in_users (Limit = $in_crit)\n";
|
|
|
|
} elsif ($in_users > $in_warn) {
|
|
$state = "WARNING";
|
|
$answer = "Warning Number Of Clients Connected : $in_users (Limit = $in_warn)\n";
|
|
|
|
} else {
|
|
$state = "OK";
|
|
$answer = "IRCD ok - Current Local Users: $in_users\n";
|
|
}
|
|
|
|
} else {
|
|
$state = "UNKNOWN";
|
|
$answer = "Server $in_remotehost has less than 0 users! Something is Really WRONG!\n";
|
|
}
|
|
|
|
print $ClientSocket "quit\n";
|
|
print $answer;
|
|
exit $ERRORS{$state};
|
|
}
|
|
|
|
# ------------------------------------------------------------[ print_usage ]--
|
|
|
|
sub print_usage () {
|
|
print "Usage: $PROGNAME -H <host> [-w <warn>] [-c <crit>] [-p <port>] [ -4|-6 ]\n";
|
|
}
|
|
|
|
# -------------------------------------------------------------[ print_help ]--
|
|
|
|
sub print_help ()
|
|
{
|
|
print_revision($PROGNAME,'@NP_VERSION@');
|
|
print "Copyright (c) 2000 Richard Mayhew/Karl DeBisschop
|
|
|
|
Perl Check IRCD plugin for monitoring
|
|
|
|
";
|
|
print_usage();
|
|
print "
|
|
-H, --hostname=HOST
|
|
Name or IP address of host to check
|
|
-w, --warning=INTEGER
|
|
Number of connected users which generates a warning state (Default: 50)
|
|
-c, --critical=INTEGER
|
|
Number of connected users which generates a critical state (Default: 100)
|
|
-p, --port=INTEGER
|
|
Port that the ircd daemon is running on <host> (Default: 6667)
|
|
-4, --use-ipv4
|
|
Use IPv4 connection
|
|
-6, --use-ipv6
|
|
Use IPv6 connection
|
|
-v, --verbose
|
|
Print extra debugging information
|
|
";
|
|
}
|
|
|
|
# ===================================================================[ MAIN ]==
|
|
|
|
MAIN:
|
|
{
|
|
my $hostname;
|
|
|
|
Getopt::Long::Configure('bundling');
|
|
GetOptions
|
|
("V" => \$opt_V, "version" => \$opt_V,
|
|
"h" => \$opt_h, "help" => \$opt_h,
|
|
"v" => \$verbose,"verbose" => \$verbose,
|
|
"t=i" => \$opt_t, "timeout=i" => \$opt_t,
|
|
"w=i" => \$opt_w, "warning=i" => \$opt_w,
|
|
"c=i" => \$opt_c, "critical=i" => \$opt_c,
|
|
"p=i" => \$opt_p, "port=i" => \$opt_p,
|
|
"4" => \$opt_4, "use-ipv4" => \$opt_4,
|
|
"6" => \$opt_6, "use-ipv6" => \$opt_6,
|
|
"H=s" => \$opt_H, "hostname=s" => \$opt_H);
|
|
|
|
if ($opt_V) {
|
|
print_revision($PROGNAME,'@NP_VERSION@');
|
|
exit $ERRORS{'UNKNOWN'};
|
|
}
|
|
|
|
if ($opt_h) {print_help(); exit $ERRORS{'UNKNOWN'};}
|
|
|
|
($opt_H) || ($opt_H = shift @ARGV) || usage("Host name/address not specified\n");
|
|
my $remotehost = $1 if ($opt_H =~ /([-.:%A-Za-z0-9]+)/);
|
|
($remotehost) || usage("Invalid host: $opt_H\n");
|
|
|
|
($opt_w) || ($opt_w = shift @ARGV) || ($opt_w = 50);
|
|
my $warn = $1 if ($opt_w =~ /^([0-9]+)$/);
|
|
($warn) || usage("Invalid warning threshold: $opt_w\n");
|
|
|
|
($opt_c) || ($opt_c = shift @ARGV) || ($opt_c = 100);
|
|
my $crit = $1 if ($opt_c =~ /^([0-9]+)$/);
|
|
($crit) || usage("Invalid critical threshold: $opt_c\n");
|
|
|
|
($opt_p) || ($opt_p = shift @ARGV) || ($opt_p = 6667);
|
|
my $remoteport = $1 if ($opt_p =~ /^([0-9]+)$/);
|
|
($remoteport) || usage("Invalid port: $opt_p\n");
|
|
|
|
if ($opt_t && $opt_t =~ /^([0-9]+)$/) { $TIMEOUT = $1; }
|
|
|
|
# Just in case of problems, let's not hang the monitoring system
|
|
$SIG{'ALRM'} = sub {
|
|
print "Something is Taking a Long Time, Increase Your TIMEOUT (Currently Set At $TIMEOUT Seconds)\n";
|
|
exit $ERRORS{"UNKNOWN"};
|
|
};
|
|
|
|
alarm($TIMEOUT);
|
|
|
|
print "MAIN(debug): binding to remote host: $remotehost -> $remoteport\n" if $verbose;
|
|
$ClientSocket = IO::Socket::IP->new(
|
|
PeerHost => $remotehost,
|
|
PeerService => $remoteport,
|
|
Family => $opt_4 ? AF_INET : $opt_6 ? AF_INET6 : undef,
|
|
Type => SOCK_STREAM,
|
|
);
|
|
if (!$ClientSocket) {
|
|
print "IRCD UNKNOWN: Could not start socket ($!)\n";
|
|
exit $ERRORS{"UNKNOWN"};
|
|
}
|
|
|
|
print $ClientSocket "NICK $NICK\nUSER $USER_INFO\n";
|
|
|
|
while (<$ClientSocket>) {
|
|
print "MAIN(debug): default var = $_\n" if $verbose;
|
|
|
|
# DALnet,LagNet,UnderNet etc. Require this!
|
|
# Replies with a PONG when presented with a PING query.
|
|
# If a server doesn't require it, it will be ignored.
|
|
|
|
if (m/^PING (.*)/) {print $ClientSocket "PONG $1\n";}
|
|
|
|
alarm(0);
|
|
|
|
# Look for pattern in IRCD Output to gather Client Connections total.
|
|
connection($remotehost,$1,$warn,$crit) if (m/:I have\s+(\d+)/);
|
|
}
|
|
print "IRCD UNKNOWN: Unknown error - maybe could not authenticate\n";
|
|
exit $ERRORS{"UNKNOWN"};
|
|
}
|