#!/bin/bash
# 
# Wizard
#
# Copyright (C) 2000 Mandrakesoft.
# 
# 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.
# See file LICENSE for further informations on licensing terms.
# 
# 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.
# 
# Authors: Jerome Dumonteil, Maurizio De Cecco, Enzo Maggi
# icons: Helene Durosini <ln@mandrakesoft.com>
# <corporate@mandrakesoft.com> http://www.mandrakesoft.com

# script for wizard network configuration
#
# install default for network
# change files : 
#  /etc/sysconfig/network
#  /etc/sysconfig/network-cripts/ifcfg-ethx
#  /etc/hosts
#  /etc/HOSTNAME
#

echo_debug "$(date) begin $0"

if [ ! -f /etc/sysconfig/network ]; then
	[ -d /etc/sysconfig ] || exit 1
	echo_debug "warning, no network file"
	echo "# warning, this file was not create during install $(date)"\
	> /etc/sysconfig/network
fi

bck_file /etc/sysconfig/network

# first loading values
. /etc/sysconfig/network

# default value for netmask
export wiz_ip_netmask=255.255.255.0

# configuring /etc/sysconfig/network

if [ "${FORWARD_IPV4}" = "false" ]; then
  echo_debug "putting FORWARD_IPV4 to \"yes\""
  chg_val /etc/sysconfig/network FORWARD_IPV4 yes
fi

if [ "${HOSTNAME}" != "${wiz_host_name}" ]; then
  echo_debug "changing hostname from ${HOSTNAME} to ${wiz_host_name}"
  chg_val /etc/sysconfig/network HOSTNAME ${wiz_host_name}  
fi

if [ "${DOMAINNAME}" != "${wiz_domain_name}" ]; then
  echo_debug "changing domain name from ${DOMAINNAME} to ${wiz_domain_name}"
  chg_val /etc/sysconfig/network DOMAINNAME ${wiz_domain_name}
fi

if [ "${NETWORKING}" != "yes" ]; then 
    echo_debug "WARNING, NETWORKING was ${NETWORKING}"
    chg_val /etc/sysconfig/network NETWORKING yes
fi

if [ "${GATEWAYDEV}" != "${wiz_extn_device}" ]; then
  echo_debug "changing GATEWAYDEV name from ${GATEWAYDEV} to ${wiz_extn_device}"
  chg_val /etc/sysconfig/network GATEWAYDEV ${wiz_extn_device}
fi

if [ "${GATEWAY}" != "${wiz_extn_gateway}" ]; then
  echo_debug "changing GATEWAY name from ${GATEWAY} to ${wiz_extn_gateway}"
  chg_val /etc/sysconfig/network GATEWAY ${wiz_extn_gateway}
fi


# now reloading
echo_debug "reloading net params"
. /etc/sysconfig/network

# configuring /etc/sysconfig/network-scripts/.
file="/etc/sysconfig/network-scripts/ifcfg-${wiz_device}"

if [ -f ${file} ]; then
    echo_debug "WARNING ${file} already exists, saved."
    bck_file ${file}
    oldip=`get_val ${file} IPADDR`
else
    oldip=""
    touch ${file}
fi


echo_debug "starting chg_val sequence"

chg_val ${file} DEVICE "${wiz_device}"
chg_val ${file} BOOTPROTO none
chg_val ${file} IPADDR "${wiz_ip_server}"
# by default, just accept ../24 network :
chg_val ${file} NETMASK "${wiz_ip_netmask}"
chg_val ${file} NETWORK "${wiz_ip_net}"
chg_val ${file} BROADCAST "${wiz_ip_net%.*}.255"
chg_val ${file} ONBOOT yes
chg_val ${file} IPXNETNUM_802_2 ""
chg_val ${file} IPXPRIMARY_802_2 no
chg_val ${file} IPXACTIVE_802_2 no
chg_val ${file} IPXNETNUM_802_3 ""
chg_val ${file} IPXPRIMARY_802_3 no
chg_val ${file} IPXACTIVE_802_3 no
chg_val ${file} IPXNETNUM_ETHERII ""
chg_val ${file} IPXPRIMARY_ETHERII no
chg_val ${file} IPXACTIVE_ETHERII no
chg_val ${file} IPXNETNUM_SNAP ""
chg_val ${file} IPXPRIMARY_SNAP no
chg_val ${file} IPXACTIVE_SNAP no

echo_debug "chg_val sequence ended"

#loading new values
. ${file}


# now setup of /etc/hosts
#
# <warning> all this assumes that ip address of server is hard coded
# in /etc/hosts, which may be wrong in some situations
#



# first, storing new hostname (/etc/sysconfig/network has been reloaded)
bck_file /etc/HOSTNAME
echo ${HOSTNAME} > /etc/HOSTNAME
hostname ${HOSTNAME}
echo_debug "done hostname"

hostalias=`echo ${HOSTNAME} |sed -e 's|^\([^.]*\)\..*$|\1|'`

# replacing . by \. for use in sed command
chgipaddr=`echo ${IPADDR} |sed -e 's/\./\\./g'`

TMPFILE=`mktemp /tmp/temp.XXXXXX` || exit 1
TMPFIL2=`mktemp /tmp/temp.XXXXXX` || exit 1
cat /etc/hosts > ${TMPFILE}
bck_file /etc/hosts
#cp -f /etc/hosts /var/tmp/wiz_bck/orig/

cat ${TMPFILE}|sed -e '/^[[:space:]]*'"${chgipaddr}"'[[:space:]]\{1,\}.*$/{
i \
# removed by mdk_serv script on '"$(date)"'
s//#&/
a \
'"${IPADDR}     ${HOSTNAME}   ${hostalias}"'
}
' > ${TMPFIL2}

if [ -z "`grep -E "^[[:space:]]*${chipaddr}[[:space:]]+" ${TMPFIL2}`" ]; then
    echo "${IPADDR}      ${HOSTNAME}   ${hostalias}" >> ${TMPFIL2}
fi



if [ -n "${oldip}" -a "${oldip}" != "${IPADDR}" ]; then
    chgoldip=`echo ${oldip} |sed -e 's/\./\\./g'`
    cat ${TMPFIL2}|sed -e '/^[[:space:]]*'"${chgoldip}"'[[:space:]]\{1,\}.*$/{
i \
# removed by mdk_serv script on '"$(date)"'
s//#&/
}
' > /etc/hosts
else
   cat ${TMPFIL2} > /etc/hosts
fi

rm -f ${TMPFIL2}
rm -f ${TMPFILE}

echo_debug "done /etc/hosts"



#
# </warning> see above
#

# storing network values in /etc/sysconfig/mdk_serv
echo_debug "storing network values"
${CWD}/scripts/do_it_last.sh

# restarting network
echo_debug "restarting network"
/etc/rc.d/init.d/network stop
/etc/rc.d/init.d/network start
echo_debug "done restarting network"

# all is ok
exit 10