1 files changed, 49 insertions, 0 deletions
diff --git a/package/netifd/files/lib/netifd/proto/dhcp.sh b/package/netifd/files/lib/netifd/proto/dhcp.sh
new file mode 100755
index 000000000..9182d58ad
--- /dev/null
+++ b/package/netifd/files/lib/netifd/proto/dhcp.sh
@@ -0,0 +1,49 @@
+#!/bin/sh
+
+. /lib/functions.sh
+. ../netifd-proto.sh
+init_proto "$@"
+
+proto_dhcp_init_config() {
+	proto_config_add_string "ipaddr"
+	proto_config_add_string "netmask"
+	proto_config_add_string "hostname"
+	proto_config_add_string "clientid"
+	proto_config_add_string "vendorid"
+	proto_config_add_boolean "broadcast"
+	proto_config_add_string "reqopts"
+}
+
+proto_dhcp_setup() {
+	local config="$1"
+	local iface="$2"
+
+	local ipaddr hostname clientid vendorid broadcast reqopts
+	json_get_vars ipaddr hostname clientid vendorid broadcast reqopts
+
+	local opt dhcpopts
+	for opt in $reqopts; do
+		append dhcpopts "-O $opt"
+	done
+
+	[ "$broadcast" = 1 ] && broadcast="-O broadcast" || broadcast=
+
+	proto_export "INTERFACE=$config"
+	proto_run_command "$config" udhcpc \
+		-p /var/run/udhcpc-$iface.pid \
+		-s /lib/netifd/dhcp.script \
+		-f -t 0 -i "$iface" \
+		${ipaddr:+-r $ipaddr} \
+		${hostname:+-H $hostname} \
+		${clientid:+-x 0x3d:${clientid//:/}} \
+		${vendorid:+-V $vendorid} \
+		$broadcast $dhcpopts
+}
+
+proto_dhcp_teardown() {
+	local interface="$1"
+	proto_kill_command "$interface"
+}
+
+add_protocol dhcp
+