scripts/casper-bottom/23networking

   1 #! /bin/sh
   2
   3 PREREQ=""
   4 DESCRIPTION="Preconfiguring networking..."
   5 IFFILE="/root/etc/network/interfaces"
   6
   7 . /scripts/functions
   8
   9 prereqs()
  10 {
  11        echo "$PREREQ"
  12 }
  13
  14 case $1 in
  15 # get pre-requisites
  16 prereqs)
  17        prereqs
  18        exit 0
  19        ;;
  20 esac
  21
  22 log_begin_msg "$DESCRIPTION"
  23
  24 if [ "${STATICIP}" == "frommedia" ] && [ -e  "$IFFILE" ] ; then
  25         # will use existent /etc/network/interfaces
  26         log_end_msg
  27         exit 0
  28 fi
  29
  30 cat > "$IFFILE" <<EOF
  31 auto lo
  32 iface lo inet loopback
  33
  34 EOF
  35
  36 udevtrigger
  37
  38 if [ -z "${NETBOOT}" ] ; then
  39         if [ ! -z "${STATICIP}" ] && [ "${STATICIP}" != "frommedia" ]; then
  40                 parsed=$(echo "${STATICIP}" | sed -e 's/:/ /g')
  41                 for ifline in ${parsed}; do
  42                         ifname="$(echo ${ifline} | cut -f1 -d ',')"
  43                         ifaddress="$(echo ${ifline} | cut -f2 -d ',')"
  44                         ifnetmask="$(echo ${ifline} | cut -f3 -d ',')"
  45                         ifgateway="$(echo ${ifline} | cut -f4 -d ',')"
  46                         cat >> "$IFFILE" <<EOF
  47 auto ${ifname}
  48 iface ${ifname} inet static
  49     address ${ifaddress}
  50     netmask ${ifnetmask}
  51     gateway ${ifgateway}
  52
  53 EOF
  54                 done
  55         else
  56                 for interface in /sys/class/net/eth* /sys/class/net/ath* /sys/class/net/wlan*; do
  57                         [ -e $interface ] || continue
  58                         i="$(basename $interface)"
  59                         cat >> "$IFFILE" <<EOF
  60 auto $i
  61 iface $i inet dhcp
  62
  63 EOF
  64                 done
  65         fi
  66 fi
  67
  68 log_end_msg