#! /bin/sh
#----------------------------------------------------------------------------
# /var/install/deinstall/inet - deinstall inet
#
# Copyright (c) 2001-2005 Ansgar Püster <ansgar(at)eisfair.org>
#
# Creation:	11.10.2002  jh
# Last Update:  $Id$
#
# 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.
#----------------------------------------------------------------------------

# include eislib
. /var/install/include/eislib

config_file=/etc/config.d/inet

#
# remove mode
#   'strict'   almost everything from the package is removed
#              SSH Server Keys may not be removed
#
RM_MODE='strict'

#
# check if SSH Server Keys should remain
#    TRUE    SSH Server Keys will remain (will not be deleted)
#    FALSE   SSH Server Keys will not remain (will be deleted)
#
RM_KEYS=FALSE

#
# remove option
#   'v'        use verbose rm
# 
RM_OPTION="-v"

#
# WITH_INFO
#   TRUE       use mecho -info
#
WITH_INFO=TRUE

remove_empty_dir_old ()
{
  DIR=$1
  if [ -d $DIR ]
  then
     COUNT=`ls -1 -a $DIR | wc -l`
     [ $COUNT = 2 ] && rm -rf $RM_OPTION $DIR
  fi
}

remove_empty_dir ()
{
  DIR=$1
  if [ -d $DIR ]
  then
     if rmdir $DIR 2>/dev/null; then
        [ "$RM_OPTION" = '-v' ] && mecho "rmdir: removing directory, $DIR"
     else
        mecho -warn "directory $DIR is not empty, directory not removed"
     fi
  fi
}

remove_user_checked ()
{
  user=$1
  if grep "^$user:" /etc/passwd >/dev/null 2>&1; then
     mecho "checking if user $user owns files or directories"
     ecount=$(find / -path '/proc' -prune -o -user $user | grep -v '/proc' | wc -l)
     #find / -path '/proc' -prune -o -user $user | grep -v '/proc'
     ecount=$(echo $ecount)
     if [ $ecount = 0 ]; then
        /var/install/bin/remove-user -f $user no
        mecho "user $user was removed"
        return 0
     else
        mecho -warn "user $user owns $ecount files or directories"
        mecho -warn "user $user can't be removed"
        return 1
     fi
  fi
}

delete_ssh_privsep_env ()
{
    /bin/grep "^sshd:" /etc/passwd > /dev/null

    # remove sshd user
    if [ "$?" = 0 ]
    then
        # user exists, delete it
        [ "$MMODE" = 'detailed' ] && mecho "Deleting sshd user account ..."
        # parameter: -f (force) [user][remove homedir yes/no]
        /var/install/bin/remove-user -f sshd no >/dev/null 2>&1
        # remove sshd group
        /var/install/bin/remove-group -f sshd   >/dev/null 2>&1
        # home directory has been removed by user removal
    fi
}

green_echo ()
{
  if [ "$WITH_INFO" = 'TRUE' ]
  then
     mecho -info "$*"
     sleep 1
  else
     mecho "$*"
  fi
}

# check if inet exists
if [ -f $config_file ]
then
   # Shut down services
   green_echo "Shut down services ..."
   /etc/init.d/sshd stop
   /etc/init.d/pure-ftpd stop
   /etc/init.d/xinetd stop
   sleep 2
fi

green_echo "Removing start/stop scripts ..."
sleep 1
rm -f $RM_OPTION /etc/rc2.d/[SK]50pure-ftpd
rm -f $RM_OPTION /etc/rc2.d/[SK]51sshd
rm -f $RM_OPTION /etc/rc2.d/[SK]50xinetd

green_echo "Removing files of package inet ..."
sleep 1

# files contained in inet.tar.gz
rm -f $RM_OPTION /bin/scp
rm -f $RM_OPTION /bin/sftp
rm -f $RM_OPTION /bin/ssh
rm -f $RM_OPTION /bin/ssh-add
rm -f $RM_OPTION /bin/ssh-agent
rm -f $RM_OPTION /bin/ssh-keygen
rm -f $RM_OPTION /bin/ssh-keyscan
rm -f $RM_OPTION /bin/ssh-copy-id
rm -f $RM_OPTION /bin/slogin
rm -f $RM_OPTION /etc/init.d/sshd
rm -f $RM_OPTION /etc/init.d/pure-ftpd
rm -f $RM_OPTION /etc/init.d/xinetd
rm -f $RM_OPTION /etc/init.d/inet_shlib
rm -f $RM_OPTION /etc/pam.d/pure-ftpd
rm -f $RM_OPTION /etc/pam.d/sshd
rm -f $RM_OPTION /etc/ssh_config
rm -f $RM_OPTION /etc/sshd_config
rm -f $RM_OPTION /etc/xinetd.d/telnet
rm -f $RM_OPTION /etc/xinetd.d/tftp
rm -f $RM_OPTION /etc/xinetd.d/ftp
rm -f $RM_OPTION /etc/xinetd.d/time
rm -f $RM_OPTION /etc/xinetd.d/sshd
rm -f $RM_OPTION /etc/xinetd.conf
rm -f $RM_OPTION /etc/moduli

rm -f $RM_OPTION /var/run/pure-ftpd.upload.lock
rm -f $RM_OPTION /var/run/pure-ftpd.upload.pipe
rm -f $RM_OPTION /var/run/pure-ftpd/client-*
remove_empty_dir /var/run/pure-ftpd/

rm -f $RM_OPTION /sbin/sftp-server.subsystem
rm -f $RM_OPTION /sbin/sftp-server
rm -f $RM_OPTION /sbin/sshd

rm -f $RM_OPTION /usr/share/doc/inet/inet.txt
rm -f $RM_OPTION /usr/share/doc/inet/changes.txt
rm -f $RM_OPTION /usr/share/doc/inet/release-notes.txt
rm -f $RM_OPTION /usr/share/doc/inet/examples/create_dot_ftpquota.sh
rm -f $RM_OPTION /usr/share/doc/inet/examples/scanner.sh
remove_empty_dir /usr/share/doc/inet/examples/
remove_empty_dir /usr/share/doc/inet/

#NONO rm -f $RM_OPTION /usr/bin/openssl
#NONO rm -f $RM_OPTION /usr/bin/ssl/c_hash
#NONO rm -f $RM_OPTION /usr/bin/ssl/c_info
#NONO rm -f $RM_OPTION /usr/bin/ssl/c_issuer
#NONO rm -f $RM_OPTION /usr/bin/ssl/c_name
#NONO rm -f $RM_OPTION /usr/bin/ssl/c_rehash
#NONO rm -f $RM_OPTION /usr/bin/ssl/c89.sh
#NONO remove_empty_dir /usr/bin/ssl/

rm -f $RM_OPTION /usr/sbin/pure-ftpd
rm -f $RM_OPTION /usr/sbin/pure-ftpwho
rm -f $RM_OPTION /usr/sbin/pure-pw
rm -f $RM_OPTION /usr/sbin/pure-quotacheck
rm -f $RM_OPTION /usr/sbin/pure-statsdecode
rm -f $RM_OPTION /usr/sbin/pure-uploadscript
rm -f $RM_OPTION /usr/sbin/xinetd
rm -f $RM_OPTION /usr/sbin/in.telnetd
rm -f $RM_OPTION /usr/sbin/in.tftpd
rm -f $RM_OPTION /usr/lib/telnetlogin
rm -f $RM_OPTION /var/install/bin/sshd-create_keys

rm -f $RM_OPTION /var/install/bin/inet-show-changes
rm -f $RM_OPTION /var/install/bin/inet-show-documentation
#NONO rm -f $RM_OPTION /var/install/bin/inet-menu2
#NONO rm -f $RM_OPTION /var/install/bin/inet-menu3
rm -f $RM_OPTION /var/install/bin/inet-list-vusers
rm -f $RM_OPTION /var/install/bin/inet-check-vusers
rm -f $RM_OPTION /var/install/bin/inet-show-vuser
rm -f $RM_OPTION /var/install/bin/inet-create-cert

#rm -f $RM_OPTION /var/install/bin/inet-show-manpages
#rm -f $RM_OPTION /var/install/bin/inet-show-master
#rm -f $RM_OPTION /var/install/bin/inet-show-pure-ftpd.8
#rm -f $RM_OPTION /var/install/bin/inet-show-pure-ftpwho.8
#rm -f $RM_OPTION /var/install/bin/inet-show-pure-pw.8
#rm -f $RM_OPTION /var/install/bin/inet-show-pure-quotacheck.8
#rm -f $RM_OPTION /var/install/bin/inet-show-pure-statsdecode.8
#rm -f $RM_OPTION /var/install/bin/inet-show-pure-uploadscript.8
#rm -f $RM_OPTION /var/install/bin/inet-show-scp.1
#rm -f $RM_OPTION /var/install/bin/inet-show-sftp-server.8
#rm -f $RM_OPTION /var/install/bin/inet-show-ssh-keygen.1
#rm -f $RM_OPTION /var/install/bin/inet-show-ssh.1
#rm -f $RM_OPTION /var/install/bin/inet-show-sshd.8
#rm -f $RM_OPTION /var/install/bin/inet-show-tftpd.8
#rm -f $RM_OPTION /var/install/bin/inet-show-xinetd.8
#rm -f $RM_OPTION /var/install/bin/inet-show-xinetd.conf.5
#rm -f $RM_OPTION /var/install/bin/inet-show-xinetd.log.5

rm -f $RM_OPTION /var/install/menu/setup.services.inet.menu
rm -f $RM_OPTION /var/install/menu/setup.services.inet.doc.menu
rm -f $RM_OPTION /var/install/menu/setup.services.inet.pure-ftpd.menu

rm -f $RM_OPTION /usr/local/ssl/certs/pure-ftpd.pem

rm -f $RM_OPTION /var/install/packages/inet
rm -f $RM_OPTION /var/install/config.d/inet.sh
rm -f $RM_OPTION /var/install/config.d/inet_update.sh
rm -f $RM_OPTION /etc/default.d/inet
rm -f $RM_OPTION /var/install/deinstall/inet
remove_empty_dir /var/empty

rm -f $RM_OPTION /etc/check.d/inet
rm -f $RM_OPTION /etc/check.d/inet.exp
rm -f $RM_OPTION /etc/check.d/inet.ext

rm -f $RM_OPTION /var/install/form/inet
rm -f $RM_OPTION /var/install/form/inet.docu
rm -f $RM_OPTION /var/install/form/inet.main
rm -f $RM_OPTION /var/install/form/inet.create.sshkeys
rm -f $RM_OPTION /var/install/form/inet.pureftpd.admin
rm -f $RM_OPTION /var/install/form/inet.pureftpd.checkvusers
rm -f $RM_OPTION /var/install/form/inet.pureftpd.listvusers
rm -f $RM_OPTION /var/install/form/inet.pureftpd.showvuser
rm -f $RM_OPTION /var/install/form/inet.pureftpd.pure-ftpwho
rm -f $RM_OPTION /var/install/form/inet.pureftpd.viewlog
rm -f $RM_OPTION /var/install/form/inet.pureftpd.cert
rm -f $RM_OPTION /var/install/help/inet
rm -f $RM_OPTION /var/install/help/inet.cert
rm -f $RM_OPTION /var/install/prep/inet.pureftpd.checkvusers.sh
rm -f $RM_OPTION /var/install/prep/inet.pureftpd.listvusers.sh
rm -f $RM_OPTION /var/install/prep/inet.pureftpd.showvuser.sh
rm -f $RM_OPTION /var/install/prep/inet.pureftpd.pure-ftpwho.sh
rm -f $RM_OPTION /var/install/prep/inet.pureftpd.viewlog.sh
rm -f $RM_OPTION /var/install/servadm/inet.create.sshkeys.sh
rm -f $RM_OPTION /var/install/servadm/inet.pureftpd.clean.sh
rm -f $RM_OPTION /var/install/servadm/inet.pureftpd.showvuser.sh
rm -f $RM_OPTION /var/install/servadm/inet.pureftpd.pure-ftpwho.sh
rm -f $RM_OPTION /var/install/servadm/inet.pureftpd.cert.sh

rm -f $RM_OPTION /etc/filelist.d/inet-files.txt

# ACFH
fmask='[0-9][0-9][0-9][0-9]-[0-9][0-9]-[0-9][0-9]-[0-9][0-9]-[0-9][0-9]-[0-9][0-9]'
rm -f $RM_OPTION /etc/backup.d/inet.$fmask

package=inet
if [ -f /var/install/bin/del_advancedconfigmenu ]; then
   /var/install/bin/del_advancedconfigmenu -quiet $package
fi

menu_item="setup.services.inet.menu"
if grep $menu_item /var/install/menu/setup.services.menu > /dev/null 2>&1
then
  green_echo "clearing /var/install/menu/setup.services.menu..."
  sleep 1
  /var/install/bin/del-menu setup.services.menu $menu_item
fi

if [ "$RM_MODE" = 'strict' ]; then
   . $config_file
   if [ FTP_LOG = 'yes' ]; then
      rm -f $RM_OPTION $FTP_LOG_PATH
   fi
   delete_ssh_privsep_env
   remove_empty_dir /tftpboot
   remove_empty_dir /etc/xinetd.d
   remove_empty_dir /home/ftp
   remove_empty_dir /home/vftp
   remove_user_checked ftp
   remove_user_checked vftp
   rm -f $RM_OPTION /etc/ftpusers
   rm -f $RM_OPTION /etc/pureftpd.pdb
   rm -f $RM_OPTION /etc/pureftpd.passwd
fi

if [ "$RM_MODE" = 'strict' ]; then
   rm -f $RM_OPTION $config_file
else
   green_echo "$config_file was not removed"
fi

if [ ! $RM_KEYS = TRUE ]
then
   green_echo "SSH Server Keys (Host Keys) are not deleted"
else
   green_echo "SSH Server Keys (Host Keys) are deleted"
   rm -f $RM_OPTION /etc/ssh_host_dsa_key
   rm -f $RM_OPTION /etc/ssh_host_dsa_key.pub
   rm -f $RM_OPTION /etc/ssh_host_key
   rm -f $RM_OPTION /etc/ssh_host_key.pub
   rm -f $RM_OPTION /etc/ssh_host_rsa_key
   rm -f $RM_OPTION /etc/ssh_host_rsa_key.pub
fi

#green_echo "Libraries /lib/libz.* /lib/libssl.* /lib/libcrypto.* are not removed"