jackbenny/check_imap_starttls
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Jack-Benny Persson
2016-06-17 04:54:26 +02:00
commit 0847f7bca7
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check_imap_starttls.sh Executable file
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#!/bin/bash
################################################################################
# #
# Copyright (C) 2016 Jack-Benny Persson <jack-benny@cyberinfo.se> #
# #
# 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA #
# #
################################################################################
###############################################################################
# #
# Nagios plugin to test IMAP servers with STARTTLS and test to login with #
# username and password #
# #
###############################################################################
PATH="/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin"
VERSION="Version 0.1"
AUTHOR="(c) 2016 Jack-Benny Persson (jack-benny@cyberinfo.se)"
# Exit codes
STATE_OK=0
STATE_WARNING=1
STATE_CRITICAL=2
STATE_UNKNOWN=3
shopt -s extglob
# Function to login/logout from IMAP-servers
login() {
sleep 2
echo "a login $Username $Password"
sleep 1
echo "a logout"
}
# Print version information
print_version()
{
printf "\n\n$0 - $VERSION\n"
}
#Print help information
print_help()
{
print_version
printf "$AUTHOR\n"
printf "Test/monitor a IMAP server with STARTTLS and login with a username/password\n"
/bin/cat <<EOT
Options:
-h
Print detailed help screen
-V
Print version information
-p | --port
Port to connect to
-H | --hostname
Hostname to connect to
-U | --username
Username to use for login
-P | --password
Password to use for login
EOT
}
# Test if openssl is installed
openssl -h 2> /dev/null
if [ $? != 0 ]; then
echo "There is a problem with your OpenSSL program"
exit 3
fi
# Parse command line options
while [[ -n "$1" ]]; do
case "$1" in
-h | --help)
print_help
exit $STATE_OK
;;
-V | --version)
print_version
exit $STATE_OK
;;
-p | --port)
Port="$2"
shift 2
;;
-H | --hostname)
Host="$2"
shift 2
;;
-U | --username)
Username="$2"
shift 2
;;
-P | --password)
Password="$2"
shift 2
;;
-\?)
print_help
exit $STATE_OK
;;
*)
printf "\nInvalid option '$1'"
print_help
exit $STATE_UNKNOWN
;;
esac
done
# Check if everything is set
if [[ -z "$Host" ]]; then
printf "\nHostname not set"
print_help
exit $STATE_UNKNOWN
fi
if [[ -z "$Port" ]]; then
printf "\nPort not set"
print_help
exit $STATE_UNKNOWN
fi
if [[ -z "$Username" ]]; then
printf "\nUsername not set"
print_help
exit $STATE_UNKNOWN
fi
if [[ -z "$Password" ]]; then
printf "\nPassword not set"
print_help
exit $STATE_UNKNOWN
fi
# Main program/logic
out=`login | openssl s_client -crlf -connect $Host:$Port -starttls imap 2>&1 | grep "a OK Logged in"`
if [ $? == 0 ]; then
echo "IMAP OK: $out"
exit $STATE_OK
else
echo "IMAP CRITICAL: Can't login to IMAP server $Host:$Port"
exit $STATE_CRITICAL
fi
# If we ended down here, it's an unknown mystery
exit $STATE_UNKNOWN