#!/usr/bin/bash

if [ $(/usr/bin/id -u) != 0 ]; then echo "only root can do that"; exit 2; fi

#***************************************************************************
# This file is part of the CRYPTO BONE
# File     : activate-cryptobone 
# Version  : 1.5 (ALL-IN-ONE)
# License  : BSD
# Date     : 1 March 2023
# Contact  : Please send enquiries and bug-reports to innovation@senderek.ie
#
#
# Copyright (c) 2015-2023
#	Ralf Senderek, Ireland.  All rights reserved. (https://senderek.ie)
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
#    notice, this list of conditions and the following disclaimer in the
#    documentation and/or other materials provided with the distribution.
# 3. All advertising materials mentioning features or use of this software
#    must display the following acknowledgement:
#	   This product includes software developed by Ralf Senderek.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND  ANY EXPRESS OR 
# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE  IMPLIED WARRANTIES 
# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  
# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 
# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 
# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 
# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 
# POSSIBILITY OF SUCH DAMAGE.
#****************************************************************************




# check if $1 is a valid user
if [ $# -eq 1  ] ; then
     if grep "^$1:" /etc/passwd > /dev/null ; then
          if ls /etc/sudoers.d/cbcontrol > /dev/null 2> /dev/null; then
	       echo -n "initialised"
	       exit 3
	  else
	       echo 'Defaults   !syslog, logfile=/var/log/sudoers.log' > /etc/sudoers.d/cbcontrol
               echo "$1 ALL = /usr/lib/cryptobone/cbcontrol" >> /etc/sudoers.d/cbcontrol 
	       chmod 600 /etc/sudoers.d/cbcontrol 2> /dev/null
	       systemctl enable cryptoboned > /dev/null 2> /dev/null
	       systemctl enable cryptobone-fetchmail.timer > /dev/null 2> /dev/null 
	       # now make sure the MTA is enabled
	       MTA=$(/bin/ls -l /etc/alternatives/mta)
               MTA=${MTA##*sendmail.}
	       if [[ ${MTA}  = "postfix" ]];then
	            systemctl enable postfix > /dev/null 2> /dev/null
	       fi		  
	       if [[ ${MTA}  = "exim" ]];then
	            systemctl enable exim > /dev/null 2> /dev/null
	       fi		  
          fi
     else
          echo -n "nosuchuser"
	  exit 2
     fi
else
     echo -n "noparameter"
     exit 1
fi

echo -n "success"
exit 0