src/initscripts/system/localnet

   1 #!/bin/sh
   2 ########################################################################
   3 # Begin $rc_base/init.d/localnet
   4 #
   5 # Description : Loopback device
   6 #
   7 # Authors     : Gerard Beekmans  - gerard@linuxfromscratch.org
   8 #
   9 # Version     : 00.00
  10 #
  11 # Notes       :
  12 #
  13 ########################################################################
  14
  15 . /etc/sysconfig/rc
  16 . ${rc_functions}
  17
  18 write_resolv_conf() {
  19         (
  20                 [ -n "${DOMAINNAME}" ] && echo "search ${DOMAINNAME}"
  21                 echo "nameserver 127.0.0.1"
  22         ) > /etc/resolv.conf
  23 }
  24
  25 write_hosts() {
  26         eval $(/usr/local/bin/readhash /var/ipfire/ethernet/settings)
  27
  28         (
  29                 echo "127.0.0.1 localhost.localdomain localhost"
  30
  31                 if [ -n "${GREEN_ADDRESS}" ]; then
  32                         echo "${GREEN_ADDRESS} ${HOSTNAME}.${DOMAINNAME} ${HOSTNAME}"
  33                 fi
  34         ) > /etc/hosts
  35 }
  36
  37 case "${1}" in
  38         start)
  39                 eval $(/usr/local/bin/readhash /var/ipfire/main/settings)
  40                 boot_mesg "Bringing up the loopback interface..."
  41                 ip addr add 127.0.0.1/8 label lo dev lo
  42                 ip link set lo up
  43                 evaluate_retval
  44
  45                 boot_mesg "Setting hostname to ${HOSTNAME}..."
  46                 hostname ${HOSTNAME}
  47                 evaluate_retval
  48
  49                 if [ -z "$DOMAINNAME" ]; then
  50                         boot_mesg "Setting domainname to ${DOMAINNAME}..."
  51                         domainname ${DOMAINNAME}
  52                         evaluate_retval
  53                 fi
  54
  55                 # Update hosts
  56                 write_hosts
  57
  58                 # Update resolv.conf
  59                 write_resolv_conf
  60                 ;;
  61
  62         stop)
  63                 boot_mesg "Bringing down the loopback interface..."
  64                 ip link set lo down
  65                 evaluate_retval
  66                 ;;
  67
  68         restart)
  69                 ${0} stop
  70                 sleep 1
  71                 ${0} start
  72                 ;;
  73
  74         status)
  75                 eval $(/usr/local/bin/readhash /var/ipfire/main/settings)
  76                 echo "Hostname is: $(hostname)"
  77                 ip link show lo
  78                 ;;
  79
  80         *)
  81                 echo "Usage: ${0} {start|stop|restart|status}"
  82                 exit 1
  83                 ;;
  84 esac
  85
  86 # End $rc_base/init.d/localnet