From: Felix Fietkau <nbd@openwrt.org>
Date: Tue, 24 Sep 2013 07:35:22 +0000 (+0200)
Subject: scripts: reorganize directory layout
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=c8e879595400e3485b5a075797290a1061c0b04f;p=oweals%2Fnetifd.git

scripts: reorganize directory layout

move example scripts from dummy/ to examples/
keep scripts that can be used as-is in scripts/

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
---

diff --git a/dummy/netifd-proto.sh b/dummy/netifd-proto.sh
deleted file mode 100755
index 6f20de9..0000000
--- a/dummy/netifd-proto.sh
+++ /dev/null
@@ -1,399 +0,0 @@
-. /usr/share/libubox/jshn.sh
-
-append() {
-	local var="$1"
-	local value="$2"
-	local sep="${3:- }"
-
-	eval "export -- \"$var=\${$var:+\${$var}\${value:+\$sep}}\$value\""
-}
-
-proto_config_add_generic() {
-	json_add_array ""
-	json_add_string "" "$1"
-	json_add_int "" "$2"
-	json_close_array
-}
-
-proto_config_add_int() {
-	proto_config_add_generic "$1" 5
-}
-
-proto_config_add_string() {
-	proto_config_add_generic "$1" 3
-}
-
-proto_config_add_boolean() {
-	proto_config_add_generic "$1" 7
-}
-
-add_default_handler() {
-	case "$(type $1 2>/dev/null)" in
-		*function*) return;;
-		*) eval "$1() { return; }"
-	esac
-}
-
-_proto_do_teardown() {
-	json_load "$data"
-	eval "proto_$1_teardown \"$interface\" \"$ifname\""
-}
-
-_proto_do_setup() {
-	json_load "$data"
-	_EXPORT_VAR=0
-	_EXPORT_VARS=
-	eval "proto_$1_setup \"$interface\" \"$ifname\""
-}
-
-proto_init_update() {
-	local ifname="$1"
-	local up="$2"
-	local external="$3"
-
-	PROTO_KEEP=0
-	PROTO_INIT=1
-	PROTO_TUNNEL_OPEN=
-	PROTO_IPADDR=
-	PROTO_IP6ADDR=
-	PROTO_ROUTE=
-	PROTO_ROUTE6=
-	PROTO_PREFIX6=
-	PROTO_DNS=
-	PROTO_DNS_SEARCH=
-	json_init
-	json_add_int action 0
-	[ -n "$ifname" -a "*" != "$ifname" ] && json_add_string "ifname" "$ifname"
-	json_add_boolean "link-up" "$up"
-	[ -n "$3" ] && json_add_boolean "address-external" "$external"
-}
-
-proto_set_keep() {
-	PROTO_KEEP="$1"
-}
-
-proto_close_nested() {
-	[ -n "$PROTO_NESTED_OPEN" ] && json_close_object
-	PROTO_NESTED_OPEN=
-}
-
-proto_add_nested() {
-	PROTO_NESTED_OPEN=1
-	json_add_object "$1"
-}
-
-proto_add_tunnel() {
-	proto_add_nested "tunnel"
-}
-
-proto_close_tunnel() {
-	proto_close_nested
-}
-
-proto_add_data() {
-	proto_add_nested "data"
-}
-
-proto_close_data() {
-	proto_close_nested
-}
-
-proto_add_dns_server() {
-	local address="$1"
-
-	append PROTO_DNS "$address"
-}
-
-proto_add_dns_search() {
-	local address="$1"
-
-	append PROTO_DNS_SEARCH "$address"
-}
-
-proto_add_ipv4_address() {
-	local address="$1"
-	local mask="$2"
-	local broadcast="$3"
-	local ptp="$4"
-
-	append PROTO_IPADDR "$address/$mask/$broadcast/$ptp"
-}
-
-proto_add_ipv6_address() {
-	local address="$1"
-	local mask="$2"
-	local preferred="$3"
-	local valid="$4"
-	local offlink="$5"
-
-	append PROTO_IP6ADDR "$address/$mask/$preferred/$valid/$offlink"
-}
-
-proto_add_ipv4_route() {
-	local target="$1"
-	local mask="$2"
-	local gw="$3"
-
-	append PROTO_ROUTE "$target/$mask/$gw//"
-}
-
-proto_add_ipv6_route() {
-	local target="$1"
-	local mask="$2"
-	local gw="$3"
-	local metric="$4"
-	local valid="$5"
-	local source="$6"
-
-	append PROTO_ROUTE6 "$target/$mask/$gw/$metric/$valid/$source"
-}
-
-proto_add_ipv6_prefix() {
-	local prefix="$1"
-	local valid="$2"
-	local preferred="$3"
-
-	if [ -z "$valid" ]; then
-		append PROTO_PREFIX6 "$prefix"
-	else
-		[ -z "$preferred" ] && preferred="$valid"
-		append PROTO_PREFIX6 "$prefix,$valid,$preferred"
-	fi
-}
-
-_proto_push_ipv4_addr() {
-	local str="$1"
-	local address mask broadcast ptp
-
-	address="${str%%/*}"
-	str="${str#*/}"
-	mask="${str%%/*}"
-	str="${str#*/}"
-	broadcast="${str%%/*}"
-	str="${str#*/}"
-	ptp="$str"
-
-	json_add_object ""
-	json_add_string ipaddr "$address"
-	[ -n "$mask" ] && json_add_string mask "$mask"
-	[ -n "$broadcast" ] && json_add_string broadcast "$broadcast"
-	[ -n "$ptp" ] && json_add_string ptp "$ptp"
-	json_close_object
-}
-
-_proto_push_ipv6_addr() {
-	local str="$1"
-	local address mask preferred valid offlink
-
-	address="${str%%/*}"
-	str="${str#*/}"
-	mask="${str%%/*}"
-	str="${str#*/}"
-	preferred="${str%%/*}"
-	str="${str#*/}"
-	valid="${str%%/*}"
-	str="${str#*/}"
-	offlink="${str%%/*}"
-
-	json_add_object ""
-	json_add_string ipaddr "$address"
-	[ -n "$mask" ] && json_add_string mask "$mask"
-	[ -n "$preferred" ] && json_add_int preferred "$preferred"
-	[ -n "$valid" ] && json_add_int valid "$valid"
-	[ -n "$offlink" ] && json_add_boolean offlink "$offlink"
-	json_close_object
-}
-
-_proto_push_string() {
-	json_add_string "" "$1"
-}
-
-_proto_push_route() {
-	local str="$1";
-	local target="${str%%/*}"
-	str="${str#*/}"
-	local mask="${str%%/*}"
-	str="${str#*/}"
-	local gw="${str%%/*}"
-	str="${str#*/}"
-	local metric="${str%%/*}"
-	str="${str#*/}"
-	local valid="${str%%/*}"
-	str="${str#*/}"
-	local source="${str}"
-
-	json_add_object ""
-	json_add_string target "$target"
-	json_add_string netmask "$mask"
-	[ -n "$gw" ] && json_add_string gateway "$gw"
-	[ -n "$metric" ] && json_add_int metric "$metric"
-	[ -n "$valid" ] && json_add_int valid "$valid"
-	[ -n "$source" ] && json_add_string source "$source"
-	json_close_object
-}
-
-_proto_push_array() {
-	local name="$1"
-	local val="$2"
-	local cb="$3"
-
-	[ -n "$val" ] || return 0
-	json_add_array "$name"
-	for item in $val; do
-		eval "$cb \"\$item\""
-	done
-	json_close_array
-}
-
-_proto_notify() {
-	local interface="$1"
-	local options="$2"
-	json_add_string "interface" "$interface"
-	ubus $options call network.interface notify_proto "$(json_dump)"
-}
-
-proto_send_update() {
-	local interface="$1"
-
-	proto_close_nested
-	json_add_boolean keep "$PROTO_KEEP"
-	_proto_push_array "ipaddr" "$PROTO_IPADDR" _proto_push_ipv4_addr
-	_proto_push_array "ip6addr" "$PROTO_IP6ADDR" _proto_push_ipv6_addr
-	_proto_push_array "routes" "$PROTO_ROUTE" _proto_push_route
-	_proto_push_array "routes6" "$PROTO_ROUTE6" _proto_push_route
-	_proto_push_array "ip6prefix" "$PROTO_PREFIX6" _proto_push_string
-	_proto_push_array "dns" "$PROTO_DNS" _proto_push_string
-	_proto_push_array "dns_search" "$PROTO_DNS_SEARCH" _proto_push_string
-	_proto_notify "$interface"
-}
-
-proto_export() {
-	local var="VAR${_EXPORT_VAR}"
-	_EXPORT_VAR="$(($_EXPORT_VAR + 1))"
-	export -- "$var=$1"
-	append _EXPORT_VARS "$var"
-}
-
-proto_run_command() {
-	local interface="$1"; shift
-
-	json_init
-	json_add_int action 1
-	json_add_array command
-	while [ $# -gt 0 ]; do
-		json_add_string "" "$1"
-		shift
-	done
-	json_close_array
-	[ -n "$_EXPORT_VARS" ] && {
-		json_add_array env
-		for var in $_EXPORT_VARS; do
-			eval "json_add_string \"\" \"\${$var}\""
-		done
-		json_close_array
-	}
-	_proto_notify "$interface"
-}
-
-proto_kill_command() {
-	local interface="$1"; shift
-
-	json_init
-	json_add_int action 2
-	[ -n "$1" ] && json_add_int signal "$1"
-	_proto_notify "$interface"
-}
-
-proto_notify_error() {
-	local interface="$1"; shift
-
-	json_init
-	json_add_int action 3
-	json_add_array error
-	while [ $# -gt 0 ]; do
-		json_add_string "" "$1"
-		shift
-	done
-	json_close_array
-	_proto_notify "$interface"
-}
-
-proto_block_restart() {
-	local interface="$1"; shift
-
-	json_init
-	json_add_int action 4
-	_proto_notify "$interface"
-}
-
-proto_set_available() {
-	local interface="$1"
-	local state="$2"
-	json_init
-	json_add_int action 5
-	json_add_boolean available "$state"
-	_proto_notify "$interface"
-}
-
-proto_add_host_dependency() {
-	local interface="$1"
-	local host="$2"
-	local ifname="$3"
-
-	# execute in subshell to not taint callers env
-	# see tickets #11046, #11545, #11570
-	(
-		json_init
-		json_add_int action 6
-		json_add_string host "$host"
-		[ -n "$ifname" ] && json_add_string ifname "$ifname"
-		_proto_notify "$interface" -S
-	)
-}
-
-proto_setup_failed() {
-	local interface="$1"
-	json_init
-	json_add_int action 7
-	_proto_notify "$interface"
-}
-
-init_proto() {
-	proto="$1"; shift
-	cmd="$1"; shift
-
-	case "$cmd" in
-		dump)
-			add_protocol() {
-				no_device=0
-				available=0
-
-				add_default_handler "proto_$1_init_config"
-
-				json_init
-				json_add_string "name" "$1"
-				json_add_array "config"
-				eval "proto_$1_init_config"
-				json_close_array
-				json_add_boolean no-device "$no_device"
-				json_add_boolean available "$available"
-				json_dump
-			}
-		;;
-		setup|teardown)
-			interface="$1"; shift
-			data="$1"; shift
-			ifname="$1"; shift
-
-			add_protocol() {
-				[[ "$proto" == "$1" ]] || return 0
-
-				case "$cmd" in
-					setup) _proto_do_setup "$1";;
-					teardown) _proto_do_teardown "$1" ;;
-					*) return 1 ;;
-				esac
-			}
-		;;
-	esac
-}
diff --git a/dummy/proto/ppp.sh b/dummy/proto/ppp.sh
deleted file mode 100755
index c710bf2..0000000
--- a/dummy/proto/ppp.sh
+++ /dev/null
@@ -1,70 +0,0 @@
-#!/bin/sh
-
-. ../netifd-proto.sh
-init_proto "$@"
-
-ppp_generic_init_config() {
-	proto_config_add_string "username"
-	proto_config_add_string "password"
-	proto_config_add_int "keepalive"
-}
-
-proto_ppp_init_config() {
-	no_device=1
-	available=1
-	ppp_generic_init_config
-}
-
-proto_ppp_setup() {
-	echo "ppp_setup($1): $2"
-}
-
-proto_ppp_teardown() {
-	return
-}
-
-add_protocol ppp
-
-proto_pppoe_init_config() {
-	ppp_generic_init_config
-}
-
-proto_pppoe_setup() {
-	local interface="$1"
-	local device="$2"
-
-	json_get_var username username
-	json_get_var password password
-	echo "pppoe_setup($interface, $device), username=$username, password=$password"
-	proto_init_update pppoe-$interface 1
-	proto_set_keep 1
-	proto_add_ipv4_address "192.168.2.1" 32
-	proto_add_dns_server "192.168.2.2"
-	proto_add_ipv4_route "0.0.0.0" 0 192.168.2.2
-	proto_add_data
-	json_add_string "ppp-type" "pppoe"
-	proto_close_data
-	proto_send_update "$interface"
-
-	proto_init_update pppoe-$interface 1
-	proto_set_keep 1
-	proto_add_ipv6_address "fe80::2" 64
-	proto_add_ipv6_route "::0" 0 "fe80::1"
-	proto_add_data
-	json_add_string "ppp-type" "pppoe"
-	proto_close_data
-	proto_send_update "$interface"
-
-	proto_run_command "$interface" sleep 30
-}
-
-proto_pppoe_teardown() {
-	[ "$ERROR" = 9 ] && {
-		proto_notify_error "$interface" PROCESS_KILLED
-		proto_block_restart "$interface"
-	}
-	proto_kill_command "$interface"
-	return
-}
-
-add_protocol pppoe
diff --git a/dummy/proto/pptp.sh b/dummy/proto/pptp.sh
deleted file mode 100755
index 914604f..0000000
--- a/dummy/proto/pptp.sh
+++ /dev/null
@@ -1,43 +0,0 @@
-#!/bin/sh
-
-. ../netifd-proto.sh
-init_proto "$@"
-
-proto_pptp_init_config() {
-	no_device=1
-	available=1
-
-	proto_config_add_string "username"
-	proto_config_add_string "password"
-	proto_config_add_string server
-}
-
-proto_pptp_setup() {
-	local interface="$1"
-	local device="$2"
-
-	json_get_var server server
-	proto_add_host_dependency "$interface" "$server"
-
-	json_get_var username username
-	json_get_var password password
-	echo "pptp_setup($interface), username=$username, password=$password"
-	proto_init_update "pptp-$interface" 1
-	proto_set_keep 1
-	proto_add_ipv4_address "192.168.9.1" 32
-	proto_add_dns_server "192.168.9.2"
-	proto_add_ipv4_route "0.0.0.0" 0 192.168.9.2
-	proto_add_data
-	json_add_string "ppp-type" "pptp"
-	proto_close_data
-	proto_send_update "$interface"
-
-	proto_run_command "$interface" sleep 30
-}
-
-proto_pptp_teardown() {
-	return
-}
-
-add_protocol pptp
-
diff --git a/examples/hotplug-cmd b/examples/hotplug-cmd
new file mode 100755
index 0000000..2488a77
--- /dev/null
+++ b/examples/hotplug-cmd
@@ -0,0 +1 @@
+echo "Action: $ACTION, Interface: $INTERFACE"
diff --git a/examples/proto/ppp.sh b/examples/proto/ppp.sh
new file mode 100755
index 0000000..f0d0ca3
--- /dev/null
+++ b/examples/proto/ppp.sh
@@ -0,0 +1,71 @@
+#!/bin/sh
+DUMMY=1
+. ../../scripts/netifd-proto.sh
+
+init_proto "$@"
+
+ppp_generic_init_config() {
+	proto_config_add_string "username"
+	proto_config_add_string "password"
+	proto_config_add_int "keepalive"
+}
+
+proto_ppp_init_config() {
+	no_device=1
+	available=1
+	ppp_generic_init_config
+}
+
+proto_ppp_setup() {
+	echo "ppp_setup($1): $2"
+}
+
+proto_ppp_teardown() {
+	return
+}
+
+add_protocol ppp
+
+proto_pppoe_init_config() {
+	ppp_generic_init_config
+}
+
+proto_pppoe_setup() {
+	local interface="$1"
+	local device="$2"
+
+	json_get_var username username
+	json_get_var password password
+	echo "pppoe_setup($interface, $device), username=$username, password=$password"
+	proto_init_update pppoe-$interface 1
+	proto_set_keep 1
+	proto_add_ipv4_address "192.168.2.1" 32
+	proto_add_dns_server "192.168.2.2"
+	proto_add_ipv4_route "0.0.0.0" 0 192.168.2.2
+	proto_add_data
+	json_add_string "ppp-type" "pppoe"
+	proto_close_data
+	proto_send_update "$interface"
+
+	proto_init_update pppoe-$interface 1
+	proto_set_keep 1
+	proto_add_ipv6_address "fe80::2" 64
+	proto_add_ipv6_route "::0" 0 "fe80::1"
+	proto_add_data
+	json_add_string "ppp-type" "pppoe"
+	proto_close_data
+	proto_send_update "$interface"
+
+	proto_run_command "$interface" sleep 30
+}
+
+proto_pppoe_teardown() {
+	[ "$ERROR" = 9 ] && {
+		proto_notify_error "$interface" PROCESS_KILLED
+		proto_block_restart "$interface"
+	}
+	proto_kill_command "$interface"
+	return
+}
+
+add_protocol pppoe
diff --git a/examples/proto/pptp.sh b/examples/proto/pptp.sh
new file mode 100755
index 0000000..5189e95
--- /dev/null
+++ b/examples/proto/pptp.sh
@@ -0,0 +1,42 @@
+#!/bin/sh
+. ../../scripts/netifd-proto.sh
+init_proto "$@"
+
+proto_pptp_init_config() {
+	no_device=1
+	available=1
+
+	proto_config_add_string "username"
+	proto_config_add_string "password"
+	proto_config_add_string server
+}
+
+proto_pptp_setup() {
+	local interface="$1"
+	local device="$2"
+
+	json_get_var server server
+	proto_add_host_dependency "$interface" "$server"
+
+	json_get_var username username
+	json_get_var password password
+	echo "pptp_setup($interface), username=$username, password=$password"
+	proto_init_update "pptp-$interface" 1
+	proto_set_keep 1
+	proto_add_ipv4_address "192.168.9.1" 32
+	proto_add_dns_server "192.168.9.2"
+	proto_add_ipv4_route "0.0.0.0" 0 192.168.9.2
+	proto_add_data
+	json_add_string "ppp-type" "pptp"
+	proto_close_data
+	proto_send_update "$interface"
+
+	proto_run_command "$interface" sleep 30
+}
+
+proto_pptp_teardown() {
+	return
+}
+
+add_protocol pptp
+
diff --git a/netifd.h b/netifd.h
index befa2cc..1f64555 100644
--- a/netifd.h
+++ b/netifd.h
@@ -29,8 +29,8 @@
 #include "utils.h"
 
 #ifdef DUMMY_MODE
-#define DEFAULT_MAIN_PATH	"./dummy"
-#define DEFAULT_HOTPLUG_PATH	"./scripts/hotplug-cmd"
+#define DEFAULT_MAIN_PATH	"./examples"
+#define DEFAULT_HOTPLUG_PATH	"./examples/hotplug-cmd"
 #define DEFAULT_RESOLV_CONF	"./tmp/resolv.conf"
 #else
 #define DEFAULT_MAIN_PATH	"/lib/netifd"
diff --git a/scripts/hotplug-cmd b/scripts/hotplug-cmd
deleted file mode 100755
index 2488a77..0000000
--- a/scripts/hotplug-cmd
+++ /dev/null
@@ -1 +0,0 @@
-echo "Action: $ACTION, Interface: $INTERFACE"
diff --git a/scripts/netifd-proto.sh b/scripts/netifd-proto.sh
new file mode 100755
index 0000000..6f20de9
--- /dev/null
+++ b/scripts/netifd-proto.sh
@@ -0,0 +1,399 @@
+. /usr/share/libubox/jshn.sh
+
+append() {
+	local var="$1"
+	local value="$2"
+	local sep="${3:- }"
+
+	eval "export -- \"$var=\${$var:+\${$var}\${value:+\$sep}}\$value\""
+}
+
+proto_config_add_generic() {
+	json_add_array ""
+	json_add_string "" "$1"
+	json_add_int "" "$2"
+	json_close_array
+}
+
+proto_config_add_int() {
+	proto_config_add_generic "$1" 5
+}
+
+proto_config_add_string() {
+	proto_config_add_generic "$1" 3
+}
+
+proto_config_add_boolean() {
+	proto_config_add_generic "$1" 7
+}
+
+add_default_handler() {
+	case "$(type $1 2>/dev/null)" in
+		*function*) return;;
+		*) eval "$1() { return; }"
+	esac
+}
+
+_proto_do_teardown() {
+	json_load "$data"
+	eval "proto_$1_teardown \"$interface\" \"$ifname\""
+}
+
+_proto_do_setup() {
+	json_load "$data"
+	_EXPORT_VAR=0
+	_EXPORT_VARS=
+	eval "proto_$1_setup \"$interface\" \"$ifname\""
+}
+
+proto_init_update() {
+	local ifname="$1"
+	local up="$2"
+	local external="$3"
+
+	PROTO_KEEP=0
+	PROTO_INIT=1
+	PROTO_TUNNEL_OPEN=
+	PROTO_IPADDR=
+	PROTO_IP6ADDR=
+	PROTO_ROUTE=
+	PROTO_ROUTE6=
+	PROTO_PREFIX6=
+	PROTO_DNS=
+	PROTO_DNS_SEARCH=
+	json_init
+	json_add_int action 0
+	[ -n "$ifname" -a "*" != "$ifname" ] && json_add_string "ifname" "$ifname"
+	json_add_boolean "link-up" "$up"
+	[ -n "$3" ] && json_add_boolean "address-external" "$external"
+}
+
+proto_set_keep() {
+	PROTO_KEEP="$1"
+}
+
+proto_close_nested() {
+	[ -n "$PROTO_NESTED_OPEN" ] && json_close_object
+	PROTO_NESTED_OPEN=
+}
+
+proto_add_nested() {
+	PROTO_NESTED_OPEN=1
+	json_add_object "$1"
+}
+
+proto_add_tunnel() {
+	proto_add_nested "tunnel"
+}
+
+proto_close_tunnel() {
+	proto_close_nested
+}
+
+proto_add_data() {
+	proto_add_nested "data"
+}
+
+proto_close_data() {
+	proto_close_nested
+}
+
+proto_add_dns_server() {
+	local address="$1"
+
+	append PROTO_DNS "$address"
+}
+
+proto_add_dns_search() {
+	local address="$1"
+
+	append PROTO_DNS_SEARCH "$address"
+}
+
+proto_add_ipv4_address() {
+	local address="$1"
+	local mask="$2"
+	local broadcast="$3"
+	local ptp="$4"
+
+	append PROTO_IPADDR "$address/$mask/$broadcast/$ptp"
+}
+
+proto_add_ipv6_address() {
+	local address="$1"
+	local mask="$2"
+	local preferred="$3"
+	local valid="$4"
+	local offlink="$5"
+
+	append PROTO_IP6ADDR "$address/$mask/$preferred/$valid/$offlink"
+}
+
+proto_add_ipv4_route() {
+	local target="$1"
+	local mask="$2"
+	local gw="$3"
+
+	append PROTO_ROUTE "$target/$mask/$gw//"
+}
+
+proto_add_ipv6_route() {
+	local target="$1"
+	local mask="$2"
+	local gw="$3"
+	local metric="$4"
+	local valid="$5"
+	local source="$6"
+
+	append PROTO_ROUTE6 "$target/$mask/$gw/$metric/$valid/$source"
+}
+
+proto_add_ipv6_prefix() {
+	local prefix="$1"
+	local valid="$2"
+	local preferred="$3"
+
+	if [ -z "$valid" ]; then
+		append PROTO_PREFIX6 "$prefix"
+	else
+		[ -z "$preferred" ] && preferred="$valid"
+		append PROTO_PREFIX6 "$prefix,$valid,$preferred"
+	fi
+}
+
+_proto_push_ipv4_addr() {
+	local str="$1"
+	local address mask broadcast ptp
+
+	address="${str%%/*}"
+	str="${str#*/}"
+	mask="${str%%/*}"
+	str="${str#*/}"
+	broadcast="${str%%/*}"
+	str="${str#*/}"
+	ptp="$str"
+
+	json_add_object ""
+	json_add_string ipaddr "$address"
+	[ -n "$mask" ] && json_add_string mask "$mask"
+	[ -n "$broadcast" ] && json_add_string broadcast "$broadcast"
+	[ -n "$ptp" ] && json_add_string ptp "$ptp"
+	json_close_object
+}
+
+_proto_push_ipv6_addr() {
+	local str="$1"
+	local address mask preferred valid offlink
+
+	address="${str%%/*}"
+	str="${str#*/}"
+	mask="${str%%/*}"
+	str="${str#*/}"
+	preferred="${str%%/*}"
+	str="${str#*/}"
+	valid="${str%%/*}"
+	str="${str#*/}"
+	offlink="${str%%/*}"
+
+	json_add_object ""
+	json_add_string ipaddr "$address"
+	[ -n "$mask" ] && json_add_string mask "$mask"
+	[ -n "$preferred" ] && json_add_int preferred "$preferred"
+	[ -n "$valid" ] && json_add_int valid "$valid"
+	[ -n "$offlink" ] && json_add_boolean offlink "$offlink"
+	json_close_object
+}
+
+_proto_push_string() {
+	json_add_string "" "$1"
+}
+
+_proto_push_route() {
+	local str="$1";
+	local target="${str%%/*}"
+	str="${str#*/}"
+	local mask="${str%%/*}"
+	str="${str#*/}"
+	local gw="${str%%/*}"
+	str="${str#*/}"
+	local metric="${str%%/*}"
+	str="${str#*/}"
+	local valid="${str%%/*}"
+	str="${str#*/}"
+	local source="${str}"
+
+	json_add_object ""
+	json_add_string target "$target"
+	json_add_string netmask "$mask"
+	[ -n "$gw" ] && json_add_string gateway "$gw"
+	[ -n "$metric" ] && json_add_int metric "$metric"
+	[ -n "$valid" ] && json_add_int valid "$valid"
+	[ -n "$source" ] && json_add_string source "$source"
+	json_close_object
+}
+
+_proto_push_array() {
+	local name="$1"
+	local val="$2"
+	local cb="$3"
+
+	[ -n "$val" ] || return 0
+	json_add_array "$name"
+	for item in $val; do
+		eval "$cb \"\$item\""
+	done
+	json_close_array
+}
+
+_proto_notify() {
+	local interface="$1"
+	local options="$2"
+	json_add_string "interface" "$interface"
+	ubus $options call network.interface notify_proto "$(json_dump)"
+}
+
+proto_send_update() {
+	local interface="$1"
+
+	proto_close_nested
+	json_add_boolean keep "$PROTO_KEEP"
+	_proto_push_array "ipaddr" "$PROTO_IPADDR" _proto_push_ipv4_addr
+	_proto_push_array "ip6addr" "$PROTO_IP6ADDR" _proto_push_ipv6_addr
+	_proto_push_array "routes" "$PROTO_ROUTE" _proto_push_route
+	_proto_push_array "routes6" "$PROTO_ROUTE6" _proto_push_route
+	_proto_push_array "ip6prefix" "$PROTO_PREFIX6" _proto_push_string
+	_proto_push_array "dns" "$PROTO_DNS" _proto_push_string
+	_proto_push_array "dns_search" "$PROTO_DNS_SEARCH" _proto_push_string
+	_proto_notify "$interface"
+}
+
+proto_export() {
+	local var="VAR${_EXPORT_VAR}"
+	_EXPORT_VAR="$(($_EXPORT_VAR + 1))"
+	export -- "$var=$1"
+	append _EXPORT_VARS "$var"
+}
+
+proto_run_command() {
+	local interface="$1"; shift
+
+	json_init
+	json_add_int action 1
+	json_add_array command
+	while [ $# -gt 0 ]; do
+		json_add_string "" "$1"
+		shift
+	done
+	json_close_array
+	[ -n "$_EXPORT_VARS" ] && {
+		json_add_array env
+		for var in $_EXPORT_VARS; do
+			eval "json_add_string \"\" \"\${$var}\""
+		done
+		json_close_array
+	}
+	_proto_notify "$interface"
+}
+
+proto_kill_command() {
+	local interface="$1"; shift
+
+	json_init
+	json_add_int action 2
+	[ -n "$1" ] && json_add_int signal "$1"
+	_proto_notify "$interface"
+}
+
+proto_notify_error() {
+	local interface="$1"; shift
+
+	json_init
+	json_add_int action 3
+	json_add_array error
+	while [ $# -gt 0 ]; do
+		json_add_string "" "$1"
+		shift
+	done
+	json_close_array
+	_proto_notify "$interface"
+}
+
+proto_block_restart() {
+	local interface="$1"; shift
+
+	json_init
+	json_add_int action 4
+	_proto_notify "$interface"
+}
+
+proto_set_available() {
+	local interface="$1"
+	local state="$2"
+	json_init
+	json_add_int action 5
+	json_add_boolean available "$state"
+	_proto_notify "$interface"
+}
+
+proto_add_host_dependency() {
+	local interface="$1"
+	local host="$2"
+	local ifname="$3"
+
+	# execute in subshell to not taint callers env
+	# see tickets #11046, #11545, #11570
+	(
+		json_init
+		json_add_int action 6
+		json_add_string host "$host"
+		[ -n "$ifname" ] && json_add_string ifname "$ifname"
+		_proto_notify "$interface" -S
+	)
+}
+
+proto_setup_failed() {
+	local interface="$1"
+	json_init
+	json_add_int action 7
+	_proto_notify "$interface"
+}
+
+init_proto() {
+	proto="$1"; shift
+	cmd="$1"; shift
+
+	case "$cmd" in
+		dump)
+			add_protocol() {
+				no_device=0
+				available=0
+
+				add_default_handler "proto_$1_init_config"
+
+				json_init
+				json_add_string "name" "$1"
+				json_add_array "config"
+				eval "proto_$1_init_config"
+				json_close_array
+				json_add_boolean no-device "$no_device"
+				json_add_boolean available "$available"
+				json_dump
+			}
+		;;
+		setup|teardown)
+			interface="$1"; shift
+			data="$1"; shift
+			ifname="$1"; shift
+
+			add_protocol() {
+				[[ "$proto" == "$1" ]] || return 0
+
+				case "$cmd" in
+					setup) _proto_do_setup "$1";;
+					teardown) _proto_do_teardown "$1" ;;
+					*) return 1 ;;
+				esac
+			}
+		;;
+	esac
+}