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