#! /bin/sh
#-------------------------------------------------------------------------------
# /var/install/deinstall/squid - deinstallation script for squid
#
# Copyright (c) 2001-2022 Ansgar Püster <ansgar@eisfair.org>
#
# Creation:     09.11.2002  ap
# 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

# set packages name
packages_name=squid

# set filelist
filelist=/etc/filelist.d/${packages_name}-files.txt

# check for update is given
if [ "${1}" = "--update" ]
then
    update=true
    _quiet='--quiet'
fi

config_file=/etc/config.d/squid
crontab_path=/var/cron/etc/root
crontab_file=$crontab_path/squidguard

#----------------------------------------------------------------------------------------
# delete cronjob (function stolen from netdate package)
#----------------------------------------------------------------------------------------
delete_cron_job ()
{
    # check for crontab file
    if [ -f $crontab_file ]
    then
        # delete existing file
        rm -f $crontab_file

        # update crontab file
        /var/install/config.d/cron.sh
    fi
}

#-------------------------------------------------------------------------------
# check if package is installed
#-------------------------------------------------------------------------------
package_exists()
{
   VAL=$(/var/install/bin/check-version $1)
   [ "$VAL" = 'not-installed' ] && return 1 || return 0
}


#-------------------------------------------------------------------------------
# check if apacheX is installed
#-------------------------------------------------------------------------------

#
# check_apacheX
# =============
#
# check if apacheX is installed
#

check_apacheX()
{
  apache2package='apache2'

  # set default
  apacheXfile=''
  apacheXpackage=''
  apachepostfix='?'

  apache_document_root=''
  apache_script_alias=''

  if package_exists $apache2package; then
     apachepostfix='2'
     apacheXfile=/etc/config.d/apache2
     apacheXpackage=${apache2package}
  fi

  if [ "$apachepostfix" != '?' ]; then
     . ${apacheXfile}
     eval apache_document_root=\$APACHE${apachepostfix}_DOCUMENT_ROOT
     eval apache_script_alias=\$APACHE${apachepostfix}_SCRIPT_DIR
     if [ -z "$apache_script_alias" ] ; then
        eval apache_script_alias=\$APACHE${apachepostfix}_SCRIPT_ALIAS
     fi

     # strip trailing /
     apache_script_alias=`echo "$apache_script_alias" | sed 's|/$||'`
     eval apache_vhost_n=\$APACHE${apachepostfix}_VHOST_N

  fi

}

#-------------------------------------------------------------------------------
# main
#-------------------------------------------------------------------------------

/etc/init.d/squid stop

# ---------------------------------------------------------------------------
# stop if update is requested
# ---------------------------------------------------------------------------
if ${update:-false}
then
    exit 0
fi

mecho -info "deinstalling squid..."

#----------------------------------------------------------------------------
# remove program files
#----------------------------------------------------------------------------
while read id perm user group package file
do
    case ${id} in
        b|u|s)
            # remove program files
            if [ "${file}" != "tmp/install.sh" -a "${file}" != "tmp/preinstall.sh" ]
            then
                rm -f /${file}
            fi
        ;;

        f)
            # remove directories
            rmdir --ignore-fail-on-non-empty /${file} 2>/dev/null
        ;;
    esac
done < ${filelist}

delete_cron_job

rm -f /bin/squid
rm -f /bin/squidclient
rm -f /etc/config.d/squid
rm -f /etc/logrotate.d/squid
rm -f /etc/rc2.d/*squid
rm -f /usr/bin/squidGuard

rm -f /usr/squidGuard/log/squidGuard.log
rm -f /usr/squidGuard/squidGuard.conf
rm -rf /usr/squidGuard/db

rm -f /var/squid/squidpasswd
rm -f /var/squid/squidpasswd.log

rm -f /etc/cachemgr.conf

rm -f /var/squid/log/access.log
rm -f /var/squid/log/cache.log

rm -f /var/squid/ipauth

rm -rf /var/squid/cache

#----------------------------------------------------------------------------
# remove configuration files
#----------------------------------------------------------------------------
rm -f /etc/default.d/squid
rm -f /etc/check.d/squid
rm -f /etc/check.d/squid.ext
rm -f /etc/check.d/squid.exp
rm -f /etc/config.d/squid
rm -f /netlogon/proxyauth

#----------------------------------------------------------------------------
# remove backup configuration files
#----------------------------------------------------------------------------
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 $RM_OPTION /etc/backup.d/$packages_name.$fmask

#----------------------------------------------------------------------------
# remove files copied to apache dir (only standard dir)
#----------------------------------------------------------------------------
# check and set environment variables
check_apacheX

if [ "$apacheXfile" != '' ]; then
   rm -f $RM_OPTION ${apache_script_alias}/cachemgr.cgi
   rm -f $RM_OPTION ${apache_script_alias}/chpasswd.cgi
   rm -f $RM_OPTION ${apache_document_root}/squid.pac
   rm -f $RM_OPTION ${apache_script_alias}/squidGuard-simple.cgi
   rm -f $RM_OPTION ${apache_document_root}/squidGuard_blocked.gif
   rm -f $RM_OPTION ${apache_document_root}/squidGuard_stop.gif
fi

#----------------------------------------------------------------------------
# remove X.default_eis files copied to X on /etc/squid
#----------------------------------------------------------------------------
rm -f $RM_OPTION /etc/squid/squid.conf
rm -f $RM_OPTION /etc/squid/chpasswd.conf

#----------------------------------------------------------------------------
# remove directories
#----------------------------------------------------------------------------
rmdir --ignore-fail-on-non-empty /var/squid/log 2>/dev/null
rmdir --ignore-fail-on-non-empty /var/squid 2>/dev/null
rmdir --ignore-fail-on-non-empty /usr/squidGuard/log 2>/dev/null
rmdir --ignore-fail-on-non-empty /usr/squidGuard 2>/dev/null
rmdir --ignore-fail-on-non-empty /etc/squid 2>/dev/null

#----------------------------------------------------------------------------
# remove menu
#----------------------------------------------------------------------------
/var/install/bin/del-menu              \
          setup.services.menu          \
          setup.services.squid.menu

#----------------------------------------------------------------------------
# remove user and group
#----------------------------------------------------------------------------

/var/install/bin/remove-user -f  squid y >/dev/null 2>&1
/var/install/bin/remove-group -f squid >/dev/null 2>&1

#----------------------------------------------------------------------------
# Ende von: squid - Deinstallation
#----------------------------------------------------------------------------
exit 0