src/initscripts/init.d/net/common/ipv4-static

   1 #!/bin/sh
   2 ########################################################################
   3 # Begin $network_devices/services/ipv4-static
   4 #
   5 # Description : IPV4 Static Boot Script
   6 #
   7 # Authors     : Nathan Coulson - nathan@linuxfromscratch.org
   8 #               Kevin P. Fleming - kpfleming@linuxfromscratch.org
   9 #               Michael Tremer - mitch@ipfire.org
  10 #
  11 # Version     : 00.00
  12 #
  13 # Notes       :
  14 #
  15 ########################################################################
  16
  17 . /etc/sysconfig/rc
  18 . ${rc_functions}
  19 eval $(/usr/local/bin/readhash /var/ipfire/ethernet/settings)
  20
  21 if [ -z "${BROADCAST}" ]; then
  22         boot_mesg "BROADCAST variable missing from input, cannot continue." ${FAILURE}
  23         echo_failure
  24         exit 1
  25 fi
  26
  27 if [ -n "${ADDRESS}" -a -n "${NETMASK}" ]; then
  28         PREFIX=`whatmask ${NETMASK} | grep -e ^CIDR | awk -F': ' '{ print $2 }' | cut -c 2-`
  29         args="${args} ${ADDRESS}/${PREFIX} broadcast ${BROADCAST}"
  30 else
  31         boot_mesg "ADDRESS and/or NETMASK variable missing from input, cannot continue." ${FAILURE}
  32         echo_failure
  33         exit 1
  34 fi
  35
  36 case "${2}" in
  37         up)
  38                 boot_mesg "Adding IPv4 address ${ADDRESS} to the ${1} interface..."
  39                 ip addr add ${args} dev ${1}
  40                 evaluate_retval
  41
  42                 if [ -n "${GATEWAY}" ]; then
  43                         if ip route | grep -q default; then
  44                                 boot_mesg "Gateway already setup; skipping." ${WARNING}
  45                                 echo_warning
  46                         else
  47                                 boot_mesg "Setting up default gateway..."
  48                                 echo $DEFAULT_GATEWAY > /var/ipfire/red/remote-ipaddress
  49                                 ip route add default via ${GATEWAY} dev ${1}
  50                                 evaluate_retval
  51                                 boot_mesg "Registering DNS server..."
  52                                 echo $DNS1 > /var/ipfire/red/dns1
  53                                 echo $DNS2 > /var/ipfire/red/dns2
  54                                 echo $ADDRESS > /var/ipfire/red/local-ipaddress
  55                                 evaluate_retval
  56                         fi
  57                 fi
  58         ;;
  59
  60         down)
  61                 if [ -n "${GATEWAY}" ]; then
  62                         boot_mesg "Removing default gateway..."
  63                         ip route del default
  64                         evaluate_retval
  65                 fi
  66
  67                 boot_mesg "Removing IPv4 address ${ADDRESS} from the ${1} interface..."
  68                 ip addr del ${args} dev ${1}
  69                 evaluate_retval
  70         ;;
  71
  72         *)
  73                 echo "Usage: ${0} [interface] {up|down}"
  74                 exit 1
  75         ;;
  76 esac
  77
  78 # End $network_devices/services/ipv4-static