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

   1 #!/bin/sh
   2
   3 . /etc/functions.sh
   4 . ../netifd-proto.sh
   5 init_proto "$@"
   6
   7 proto_dhcp_init_config() {
   8         proto_config_add_string "ipaddr"
   9         proto_config_add_string "netmask"
  10         proto_config_add_string "hostname"
  11         proto_config_add_string "clientid"
  12         proto_config_add_string "vendorid"
  13         proto_config_add_boolean "broadcast"
  14         proto_config_add_string "reqopts"
  15 }
  16
  17 proto_dhcp_setup() {
  18         local config="$1"
  19         local iface="$2"
  20
  21         json_get_vars ipaddr hostname clientid vendorid broadcast reqopts
  22
  23         local opt dhcpopts
  24         for opt in $reqopts; do
  25                 append dhcpopts "-O opt"
  26         done
  27
  28         [ "$broadcast" = 1 ] && broadcast="-O broadcast" || broadcast=
  29
  30         proto_export "INTERFACE=$config"
  31         proto_run_command "$config" udhcpc \
  32                 -p /var/run/udhcpc-$iface.pid \
  33                 -s /lib/netifd/dhcp.script \
  34                 -f -t 0 -i "$iface" \
  35                 ${ipaddr:+-r $ipaddr} \
  36                 ${hostname:+-H $hostname} \
  37                 ${clientid:+-c $clientid} \
  38                 ${vendorid:+-V $vendorid} \
  39                 $broadcast $dhcpopts
  40 }
  41
  42 proto_dhcp_teardown() {
  43         local interface="$1"
  44         proto_kill_command "$interface"
  45 }
  46
  47 add_protocol dhcp
  48