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"
   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         proto_config_add_string "iface6rd"
  16 }
  17
  18 proto_dhcp_setup() {
  19         local config="$1"
  20         local iface="$2"
  21
  22         local ipaddr hostname clientid vendorid broadcast reqopts iface6rd
  23         json_get_vars ipaddr hostname clientid vendorid broadcast reqopts iface6rd
  24
  25         local opt dhcpopts
  26         for opt in $reqopts; do
  27                 append dhcpopts "-O $opt"
  28         done
  29
  30         [ "$broadcast" = 1 ] && broadcast="-B" || broadcast=
  31         [ -n "$clientid" ] && clientid="-x 0x3d:${clientid//:/}" || clientid="-C"
  32         [ -n "$iface6rd" ] && proto_export "IFACE6RD=$iface6rd"
  33
  34         proto_export "INTERFACE=$config"
  35         proto_run_command "$config" udhcpc \
  36                 -p /var/run/udhcpc-$iface.pid \
  37                 -s /lib/netifd/dhcp.script \
  38                 -f -t 0 -i "$iface" \
  39                 ${ipaddr:+-r $ipaddr} \
  40                 ${hostname:+-H $hostname} \
  41                 ${vendorid:+-V $vendorid} \
  42                 $clientid $broadcast $dhcpopts
  43 }
  44
  45 proto_dhcp_teardown() {
  46         local interface="$1"
  47         proto_kill_command "$interface"
  48 }
  49
  50 add_protocol dhcp
  51