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         proto_config_add_string zone6rd
  19 }
  20
  21 proto_dhcp_setup() {
  22         local config="$1"
  23         local iface="$2"
  24
  25         local ipaddr hostname clientid vendorid broadcast reqopts iface6rd sendopts delegate zone6rd
  26         json_get_vars ipaddr hostname clientid vendorid broadcast reqopts iface6rd sendopts delegate zone6rd
  27
  28         local opt dhcpopts
  29         for opt in $reqopts; do
  30                 append dhcpopts "-O $opt"
  31         done
  32
  33         for opt in $sendopts; do
  34                 append dhcpopts "-x $opt"
  35         done
  36
  37         [ "$broadcast" = 1 ] && broadcast="-B" || broadcast=
  38         [ -n "$clientid" ] && clientid="-x 0x3d:${clientid//:/}" || clientid="-C"
  39         [ -n "$iface6rd" ] && proto_export "IFACE6RD=$iface6rd"
  40         [ -n "$iface6rd" ] && append dhcpopts "-O 212"
  41         [ -n "$zone6rd" ] && proto_export "ZONE6RD=$zone6rd"
  42         [ "$delegate" = "0" ] && proto_export "IFACE6RD_DELEGATE=0"
  43
  44         proto_export "INTERFACE=$config"
  45         proto_run_command "$config" udhcpc \
  46                 -p /var/run/udhcpc-$iface.pid \
  47                 -s /lib/netifd/dhcp.script \
  48                 -f -t 0 -i "$iface" \
  49                 ${ipaddr:+-r $ipaddr} \
  50                 ${hostname:+-H $hostname} \
  51                 ${vendorid:+-V $vendorid} \
  52                 $clientid $broadcast $dhcpopts
  53 }
  54
  55 proto_dhcp_teardown() {
  56         local interface="$1"
  57         proto_kill_command "$interface"
  58 }
  59
  60 add_protocol dhcp
  61