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 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 dhcp_setup() {
  18         local config="$1"
  19         local iface="$2"
  20
  21         json_get_var ipaddr ipaddr
  22         json_get_var hostname hostname
  23         json_get_var clientid clientid
  24         json_get_var vendorid vendorid
  25         json_get_var broadcast broadcast
  26         json_get_var reqopts reqopts
  27
  28         local opt dhcpopts
  29         for opt in $reqopts; do
  30                 append dhcpopts "-O opt"
  31         done
  32
  33         [ "$broadcast" = 1 ] && broadcast="-O broadcast" || broadcast=
  34
  35         proto_export "INTERFACE=$config"
  36         proto_run_command "$config" udhcpc \
  37                 -p /var/run/udhcpc-$iface.pid \
  38                 -s /lib/netifd/dhcp.script \
  39                 -f -t 0 -i "$iface" \
  40                 ${ipaddr:+-r $ipaddr} \
  41                 ${hostname:+-H $hostname} \
  42                 ${clientid:+-c $clientid} \
  43                 ${vendorid:+-V $vendorid} \
  44                 $broadcast $dhcpopts
  45 }
  46
  47 dhcp_teardown() {
  48         proto_kill_command
  49 }
  50
  51 dhcp_init() {
  52         return
  53 }
  54
  55 add_protocol dhcp
  56