package/network/config/netifd/files/lib/netifd/proto/dhcp.sh

   1 #!/bin/sh
   2
   3 . /lib/functions.sh
   4 . ../netifd-proto.sh
   5 init_proto "$@"
   6
   7 proto_dhcp_init_config() {
   8         proto_config_add_string 'ipaddr:ipaddr'
   9         proto_config_add_string 'netmask:ipaddr'
  10         proto_config_add_string 'hostname:hostname'
  11         proto_config_add_string clientid
  12         proto_config_add_string vendorid
  13         proto_config_add_boolean 'broadcast:ipaddr'
  14         proto_config_add_string 'reqopts:list(string)'
  15         proto_config_add_string iface6rd
  16         proto_config_add_string sendopts
  17         proto_config_add_boolean delegate
  18 }
  19
  20 proto_dhcp_setup() {
  21         local config="$1"
  22         local iface="$2"
  23
  24         local ipaddr hostname clientid vendorid broadcast reqopts iface6rd sendopts delegate
  25         json_get_vars ipaddr hostname clientid vendorid broadcast reqopts iface6rd sendopts delegate
  26
  27         local opt dhcpopts
  28         for opt in $reqopts; do
  29                 append dhcpopts "-O $opt"
  30         done
  31
  32         for opt in $sendopts; do
  33                 append dhcpopts "-x $opt"
  34         done
  35
  36         [ "$broadcast" = 1 ] && broadcast="-B" || broadcast=
  37         [ -n "$clientid" ] && clientid="-x 0x3d:${clientid//:/}" || clientid="-C"
  38         [ -n "$iface6rd" ] && proto_export "IFACE6RD=$iface6rd"
  39         [ -n "$iface6rd" ] && append dhcpopts "-O 212"
  40         [ "$delegate" = "0" ] && proto_export "IFACE6RD_DELEGATE=0"
  41
  42         proto_export "INTERFACE=$config"
  43         proto_run_command "$config" udhcpc \
  44                 -p /var/run/udhcpc-$iface.pid \
  45                 -s /lib/netifd/dhcp.script \
  46                 -f -t 0 -i "$iface" \
  47                 ${ipaddr:+-r $ipaddr} \
  48                 ${hostname:+-H $hostname} \
  49                 ${vendorid:+-V $vendorid} \
  50                 $clientid $broadcast $dhcpopts
  51 }
  52
  53 proto_dhcp_teardown() {
  54         local interface="$1"
  55         proto_kill_command "$interface"
  56 }
  57
  58 add_protocol dhcp
  59