#! /bin/sh
#----------------------------------------------------------------------------
# /tmp/preinstall.sh - preinstall mailman
#
# Copyright (c) 2008 the eisfair team, team(at)eisfair(dot)org 
#
# Creation:     26.07.2004  om
# 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.
#----------------------------------------------------------------------------

mailmanfile=/etc/config.d/mailman
installfile=/var/run/mailman.install
mailman_deinstallfile=/var/install/deinstall/mailman
VAR_PREFIX=/var/mailman
PREFIX=/usr/local/mailman

set +x

. /var/install/include/eislib

echo
echo
mecho -warn "running preinstall.sh of Mailman..."
echo
echo

remove_old_version ()
{

    # Stopping mailman if available
    if [ -f /etc/init.d/mailman ]
    then
    /etc/init.d/mailman stop
        echo "mailman stopped"
    fi
    
    mecho -info "deinstalling old version"
#    rm -f -v -r /etc/config.d/mailman
    rm -f -v -r /etc/config.d/mailman.backup
    rm -f -v -r /etc/init.d/mailman
    rm -f -v -r /etc/default.d/mailman
    rm -f -v -r /etc/rc2.d/K12mailman
    rm -f -v -r /etc/rc2.d/S88mailman

    rm -f -v -r /usr/local/mailman

# blos net loeschen, sonst sind die vorhandenen Mailinglisten weg!
#    rm -f -v -r /var/mailman

    rm -f -v -r /usr/share/doc/mailman
    rm -f -v -r /var/install/config.d/mailman.sh
    rm -f -v -r /var/install/config.d/httpd.conf.mailman.sh

    rm -f -v -r /var/install/bin/mailman-*

    rm -f -v -r /var/install/bin/setup.services.mailman
    rm -f -v -r /var/install/form/mailman
    rm -f -v -r /var/install/help/mailman

    rm -f -v -r /var/install/menu/setup.services.mailman.menu

    rm -f -v -r /var/www/icons/PythonPowered.png
    rm -f -v -r /var/www/icons/gnu-head-tiny.jpg
    rm -f -v -r /var/www/icons/mailman.jpg
    rm -f -v -r /var/www/icons/mailman-large.jpg
    rm -f -v -r /var/www/icons/mm-icon.png

    # Last, but not least!
    rm -f -v -r /var/install/packages/mailman
    rm -f -v -r /var/install/deinstall/mailman
}


check_versions ()
{
    echo
    mecho -info "Checking versions on related packages"
    echo

    installed_version=`/var/install/bin/check-version base 1.0.5`

    case installed_version in
    not-installed|new ) # wrong version
        mecho -warn "required base package v1.0.5 not installed - installation aborted."
        /var/install/bin/anykey
        exit 1
        ;;
    * ) # installed / old
        echo "base...     OK!"
        ;;
    esac

    # check -mail version
    installed_version=`/var/install/bin/check-version mail 1.3.0`

    case installed_version in
    not-installed|new ) # new - installed version older than 1.3.0
        mecho -warn "required mail package v1.3.0 not installed - installation aborted."
            /var/install/bin/anykey
        exit 1
        ;;
    * ) # not-installed / installed / old
        echo "Mail...     OK!"
        ;;
    esac

    # check -python version
    installed_version=`/var/install/bin/check-version python 0.1.0`

    case installed_version in
        not-installed|new ) # new - installed version older than 0.1.0
        mecho -warn "required python package not installed - installation aborted."
        /var/install/bin/anykey
            exit 1
        ;;
    * ) # not-installed / installed / old
        echo "Python...   OK!"
        ;;
    esac

    # check -apache version
    installed_version=`/var/install/bin/check-version apache 1.1.70`

    case $installed_version in
        not-installed ) 
            echo "Apache1... missing "
        apache1=0
    ;;
        * ) # new / installed / old
        echo "Apache1...  OK!"
        apache1=1
    ;;
    esac

    # check -apache version
    installed_version=`/var/install/bin/check-version apache2 0.0.96`

    case $installed_version in
        not-installed ) 
            echo "Apache2... missing" 
        apache2=0
    ;;
        * ) # new / installed / old
        echo "Apache2...  OK!"
        apache2=1
    ;;
    esac

    if [ $apache1 -eq 0 -a $apache2 -eq 0 ]
    then
        echo
    mecho -warn "No Apache found!"
    echo "Press (1) to install Apache 1 or (2) for Apache2"
    echo "or any other key to stop installing"
    read $choice
    case $choice in 
            1) 
            /var/install/bin/install-package http://download.eisfair.org/packages/apache.tar.gz.info
        ;;
        2)
        /var/install/bin/install-package http://download.eisfair.org/packages/dev/web/apache2.tar.gz.info
        ;;
        *) 
        echo "Any Apache webserver is required. Please start the setup of mailman again after installing the web server."
        exit 1
        ;;
    esac    
    fi
}

admin_stuff ()
{                            
    # mailman user and group
    echo
    echo "adding users and groups ..."
                
    grep '^mailman:' /etc/passwd >/dev/null
    if [ $? -ne 0 ]
    then
    echo "Adding user mailman..."
        /var/install/bin/add-user mailman '' '' 65534 "Mailman Daemon User" "" /bin/false
    else
    echo "User mailman exists"
    fi
                                
    grep '^nogroup:' /etc/group >/dev/null
    if [ $? -ne 0 ]
    then
        echo "Adding group mailman..."
    /var/install/bin/add-group nogroup
    else
        echo "Group mailman exists"
    fi
                                    
    # Ordner anlegen und Zugriffsrechte setzen 
    # hier: Programmpfad
    if [ ! -d $PREFIX ]
    then
        echo "Ordner anlegen: $PREFIX"
    mkdir $PREFIX
        chmod 2775 $PREFIX
    chown mailman $PREFIX
    fi
    
    # hier: var-Pfad
    if [ ! -d $VAR_PREFIX ]
    then
    echo "Ordner anlegen: $VAR_PREFIX"
        mkdir $VAR_PREFIX
    chmod 2775 $VAR_PREFIX
        chown mailman $VAR_PREFIX
    fi
                    
}

remove_old_version
check_versions
admin_stuff
                        
exit 0