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Diffstat (limited to 'contrib/check_pop3.pl')
| -rw-r--r-- | contrib/check_pop3.pl | 144 |
1 files changed, 144 insertions, 0 deletions
diff --git a/contrib/check_pop3.pl b/contrib/check_pop3.pl new file mode 100644 index 00000000..c0c2712c --- /dev/null +++ b/contrib/check_pop3.pl @@ -0,0 +1,144 @@ +#!/usr/bin/perl +# ------------------------------------------------------------------------------ +# File Name: check_pop3.pl +# Author: Richard Mayhew - South Africa +# Date: 2000/01/21 +# Version: 1.0 +# Description: This script will check to see if an POP3 is running +# and whether authentication can take place. +# Email: netsaint@splash.co.za +# ------------------------------------------------------------------------------ +# Copyright 1999 (c) Richard Mayhew +# Credits go to Ethan Galstad for coding Nagios +# If any changes are made to this script, please mail me a copy of the +# changes :) +# License GPL +# ------------------------------------------------------------------------------ +# Date Author Reason +# ---- ------ ------ +# 1999/09/20 RM Creation +# 1999/09/20 TP Changed script to use strict, more secure by +# specifying $ENV variables. The bind command is +# still insecure through. Did most of my work +# with perl -wT and 'use strict' +# 2000/01/20 RM Corrected POP3 Exit State. +# 2000/01/21 RM Fix Exit Codes Again!! +# ------------------------------------------------------------------------------ + +# -----------------------------------------------------------------[ Require ]-- +require 5.004; + +# --------------------------------------------------------------------[ Uses ]-- +use Socket; +use strict; + +# --------------------------------------------------------------[ Enviroment ]-- +$ENV{PATH} = "/bin"; +$ENV{BASH_ENV} = ""; +$|=1; +# ------------------------------------------------------------------[ Global ]-- +my $TIMEOUT = 60; + +# -------------------------------------------------------------------[ usage ]-- +sub usage +{ + print "Minimum arguments not supplied!\n"; + print "\n"; + print "Perl Check POP3 plugin for Nagios\n"; + print "Copyright (c) 2000 Richard Mayhew\n"; + print "\n"; + print "Usage: check_pop3.pl <host> <username> <password> [port]\n"; + print "\n"; + print "<port> = Port that the pop3 daemon is running on <host>. Defaults to 110.\n"; + exit -1; + +} + +# --------------------------------------------------------------[ bindRemote ]-- +sub bindRemote +{ + my ($in_remotehost, $in_remoteport, $in_hostname) = @_; + my $proto; + my $sockaddr; + my $this; + my $thisaddr; + my $that; + my ($name, $aliases,$type,$len,$thataddr) = gethostbyname($in_remotehost); + + if (!socket(ClientSocket,AF_INET, SOCK_STREAM, $proto)) { die $!; } + $sockaddr = 'S n a4 x8'; + $this = pack($sockaddr, AF_INET, 0, $thisaddr); + $that = pack($sockaddr, AF_INET, $in_remoteport, $thataddr); + if (!bind(ClientSocket, $this)) { print "Connection Refused"; exit 2; } + if (!connect(ClientSocket, $that)) { print "Connection Refused"; exit 2; } + select(ClientSocket); $| = 1; select(STDOUT); + return \*ClientSocket; +} + +# ====================================================================[ MAIN ]== +MAIN: +{ + my $hostname; + my $remotehost = shift || &usage; + my $username = shift || &usage; + my $password = shift || &usage; + my $remoteport = shift || 110; + + # Just in case of problems, let's not hang Nagios + $SIG{'ALRM'} = sub { + print "Something is Taking a Long Time, Increase Your TIMEOUT (Currently Set At $TIMEOUT Seconds)\n"; + exit -1; + }; + + alarm($TIMEOUT); + + chop($hostname = `hostname`); + my ($name, $alias, $proto) = getprotobyname('tcp'); + my $ClientSocket = &bindRemote($remotehost,$remoteport,$hostname); + + +print ClientSocket "user $username\n"; + +#Debug Server +#print "user $username\n"; + +#Sleep or 3 secs, incase server is slow. +sleep 3; + +print ClientSocket "pass $password\n"; + +#Debug Server +#print "pass $password\n"; + +while (<ClientSocket>) { + +print ClientSocket "pass $password\n"; + +#Debug Server +#print $_; + +err($_) if (m/\-ERR\s+(.*)\s+.*/); +message($_) if (m/\+OK Mailbox open,\s+(.*\d)\s+messages.*/); +} +} + +sub message +{ + my $answer = "UNKNOWN"; + $answer = "Pop3 OK - Total Messages On Server :- $1"; + alarm(0); + print ClientSocket "quit\n"; + print "$answer"; + exit 0; +} + +sub err +{ + my $answer = "UNKNOWN"; + $answer = "Pop3 Error :- $1"; + alarm(0); + print ClientSocket "quit\n"; + print "$answer"; + exit 2; +} + |