#!/bin/sh

PREREQ=""
DESCRIPTION="Setting LliureX network settings ..."

prereqs()
{
       echo "$PREREQ"
}

case $1 in
# get pre-requisites
prereqs)
       prereqs
       exit 0
       ;;
esac

. /scripts/casper-functions

test_iface(){
   [ "$1" ] || return 1
   [ -e "/sys/class/net/$1" ] || return 1
   [ -e "/sys/class/net/$1/wireless" ] || return 0
   return 1
}

get_first_iface(){
   if ls /sys/class/net/eth* >/dev/null 2>/dev/null ; then
      for i in /sys/class/net/eth* ; do
         if [ ! -e "${i}/wireless" ] ; then
            echo ${i##*/}
            return 0
         fi
      done
   fi 
}

get_srv_nic(){
   CHROOT_VAR="$(chroot /root llxcfg-showvars SRV_NIC)"
   [ -z "$CHROOT_VAR" ] || SRV_NIC="$(echo "$CHROOT_VAR" |sed -ne "s%^[^']*'%%;s%'[^']*.*$%%;p")"
   if test_iface "$SRV_NIC" ; then
      echo $SRV_NIC
   else 
      get_first_iface
   fi
}

case $1 in
# get pre-requisites
prereqs)
       prereqs
       exit 0
       ;;
esac

log_begin_msg "$DESCRIPTION"
IFFILE="/root/etc/network/interfaces"

if [ ! -z "${NETBOOT}" ] && [ "${NETBOOT}" = "nfs" ]; then
	if [ -f /netboot.config ] ; then
		[ -f /root/etc/resolv.conf ] && rm -f /root/etc/resolv.conf
		rc_search=$(cat netboot.config | awk '/domain/{print $3}')
        	rc_server0=$(cat netboot.config | awk '/dns0/{print $5}')
        	rc_server1=$(cat netboot.config | awk '/dns0/{print $8}')
        	rc_server0="nameserver ${rc_server0}"
		if [ "${rc_server1}" = "0.0.0.0" ]; then
            		rc_server1=""
        	else
            		rc_server1="nameserver ${rc_server1}"
        	fi
		cat > /root/etc/resolv.conf <<EOF
# /etc/resolv.conf
# Autogenerated by Lliurex
search ${rc_search}
domain ${rc_search}
${rc_server0}
${rc_server1}
EOF
        	cat /root/etc/resolv.conf >> /root/var/log/netboot.config
		
	fi
fi

if [ -z "${NETBOOT}" -a "$NOROAMING" ] ; then
   cat > "$IFFILE" <<EOF
auto lo
iface lo inet loopback

EOF

   for i in eth0 eth1 eth2 ath0 wlan0; do
      cat >> "$IFFILE" <<EOF
auto $i
iface $i inet dhcp

EOF
   done
   echo "$SRV_NIC" > /root/root/LLIUREX_NETWORK_SETTINGS
   NETFIX="/usr/sbin/lliurex-srv-netfix"
   echo "$LLXMODE" >> /root/root/LLIUREX_NETWORK_SETTINGS
   if [ "$LLXMODE" = "server" -a -x /root/${NETFIX} ] ; then
      SRV_NIC=""
      SRV_NIC="$(get_srv_nic)"
      echo "$SRV_NIC" >> /root/root/LLIUREX_NETWORK_SETTINGS
      if [ "$SRV_NIC" ] ; then 
#         cat >/root/etc/rcS.d/S39lliurex-networking <<EOF
##!/bin/sh
#[ "\$1" = "start" ] || exit 0
#$NETFIX $SRV_NIC > /dev/null || true
#exit 0
#EOF
#      chmod +x /root/etc/rcS.d/S39lliurex-networking
          chroot /root $NETFIX $SRV_NIC >/dev/null 2>/dev/null || true
      fi
   fi
fi
PAMNSS_SERVICE="/usr/sbin/lliurex-pamnss-service"
if [ "$LLXMODE" = "client" ] ; then
   if [ -x /root/${PAMNSS_SERVICE} ] ; then
      # force delay gdm login in client
      chroot /root $PAMNSS_SERVICE delay || true
   fi
   # if netboot ... generate a init script (before 21 pamnss magic number ...) to get vars and update hostname
   if [ "${NETBOOT}" ] ; then
      cat >/root/etc/rcS.d/S39lliurex-client-networking <<EOF
#!/bin/sh
[ "\$1" = "start" ] || exit 0
if [ -x /usr/sbin/ntpdate-debian ] ; then
   /usr/sbin/ntpdate-debian || true
fi
if [ -x /usr/sbin/llxcfg-netconfig-client ] ; then
   /usr/sbin/llxcfg-netconfig-client get-data || true
fi
if [ -d /var/lib/llxcfg/cpkg/packages/hostname ] ; then
   llxcfg-cpkg-backend update hostname || true
fi
if [ -x /etc/llxcfg/init-scripts/pam_krb5 ] ; then
   /etc/llxcfg/init-scripts/pam_krb5 start ||true
fi
if [ -x /usr/sbin/ntpdate-debian ] ; then
   /usr/sbin/ntpdate-debian || true
fi
exit 0
EOF
   chmod +x /root/etc/rcS.d/S39lliurex-client-networking
   fi
fi
log_end_msg