dhcp: Fix broadcast parameter validation support, remove unused netmask parameter
[openwrt.git] / 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 'hostname:hostname'
10         proto_config_add_string clientid
11         proto_config_add_string vendorid
12         proto_config_add_boolean 'broadcast:bool'
13         proto_config_add_string 'reqopts:list(string)'
14         proto_config_add_string iface6rd
15         proto_config_add_string sendopts
16         proto_config_add_boolean delegate
17         proto_config_add_string zone6rd
18 }
19
20 proto_dhcp_setup() {
21         local config="$1"
22         local iface="$2"
23
24         local ipaddr hostname clientid vendorid broadcast reqopts iface6rd sendopts delegate zone6rd
25         json_get_vars ipaddr hostname clientid vendorid broadcast reqopts iface6rd sendopts delegate zone6rd
26
27         local opt dhcpopts
28         for opt in $reqopts; do
29                 append dhcpopts "-O $opt"
30         done
31
32         for opt in $sendopts; do
33                 append dhcpopts "-x $opt"
34         done
35
36         [ "$broadcast" = 1 ] && broadcast="-B" || broadcast=
37         [ -n "$clientid" ] && clientid="-x 0x3d:${clientid//:/}" || clientid="-C"
38         [ -n "$iface6rd" ] && proto_export "IFACE6RD=$iface6rd"
39         [ -n "$iface6rd" ] && append dhcpopts "-O 212"
40         [ -n "$zone6rd" ] && proto_export "ZONE6RD=$zone6rd"
41         [ "$delegate" = "0" ] && proto_export "IFACE6RD_DELEGATE=0"
42
43         proto_export "INTERFACE=$config"
44         proto_run_command "$config" udhcpc \
45                 -p /var/run/udhcpc-$iface.pid \
46                 -s /lib/netifd/dhcp.script \
47                 -f -t 0 -i "$iface" \
48                 ${ipaddr:+-r $ipaddr} \
49                 ${hostname:+-H $hostname} \
50                 ${vendorid:+-V $vendorid} \
51                 $clientid $broadcast $dhcpopts
52 }
53
54 proto_dhcp_teardown() {
55         local interface="$1"
56         proto_kill_command "$interface"
57 }
58
59 add_protocol dhcp
60