From 716ca530e1c4515d8683c9d5be3d56b301758b66 Mon Sep 17 00:00:00 2001
From: James <>
Date: Wed, 4 Nov 2015 11:49:21 +0000
Subject: trunk-47381

---
 package/network/config/gre/files/gre.sh | 237 ++++++++++++++++++++++++++++++++
 1 file changed, 237 insertions(+)
 create mode 100755 package/network/config/gre/files/gre.sh

(limited to 'package/network/config/gre/files/gre.sh')

diff --git a/package/network/config/gre/files/gre.sh b/package/network/config/gre/files/gre.sh
new file mode 100755
index 0000000..4483a08
--- /dev/null
+++ b/package/network/config/gre/files/gre.sh
@@ -0,0 +1,237 @@
+#!/bin/sh
+
+[ -n "$INCLUDE_ONLY" ] || {
+	. /lib/functions.sh
+	. /lib/functions/network.sh
+	. ../netifd-proto.sh
+	init_proto "$@"
+}
+
+gre_generic_setup() {
+	local cfg="$1"
+	local mode="$2"
+	local local="$3"
+	local remote="$4"
+	local link="$5"
+	local mtu ttl tos zone ikey okey icsum ocsum iseqno oseqno
+	json_get_vars mtu ttl tos zone ikey okey icsum ocsum iseqno oseqno
+
+	[ -z "$zone" ] && zone="wan"
+
+	proto_init_update "$link" 1
+
+	proto_add_tunnel
+	json_add_string mode "$mode"
+	json_add_int mtu "${mtu:-1280}"
+	[ -n "$df" ] && json_add_boolean df "$df"
+	json_add_int ttl "${ttl:-64}"
+	[ -n "$tos" ] && json_add_string tos "$tos"
+	json_add_string local "$local"
+	json_add_string remote "$remote"
+	[ -n "$tunlink" ] && json_add_string link "$tunlink"
+	json_add_string info "${ikey:-0},${okey:-0},${icsum:-0},${ocsum:-0},${iseqno:-0},${oseqno:-0}"
+	proto_close_tunnel
+
+	proto_add_data
+	[ -n "$zone" ] && json_add_string zone "$zone"
+	proto_close_data
+
+	proto_send_update "$cfg"
+}
+
+gre_setup() {
+	local cfg="$1"
+	local mode="$2"
+
+	local ipaddr peeraddr
+	json_get_vars df ipaddr peeraddr tunlink
+
+	[ -z "$peeraddr" ] && {
+		proto_notify_error "$cfg" "MISSING_ADDRESS"
+		proto_block_restart "$cfg"
+		exit
+	}
+
+	( proto_add_host_dependency "$cfg" "$peeraddr" "$tunlink" )
+
+	[ -z "$ipaddr" ] && {
+		local wanif="$tunlink"
+		if [ -z $wanif ] && ! network_find_wan wanif; then
+			proto_notify_error "$cfg" "NO_WAN_LINK"
+			exit
+		fi
+
+		if ! network_get_ipaddr ipaddr "$wanif"; then
+			proto_notify_error "$cfg" "NO_WAN_LINK"
+			exit
+		fi
+	}
+
+	[ -z "$df" ] && df="1"
+
+	gre_generic_setup $cfg $mode $ipaddr $peeraddr "gre-$cfg"
+}
+
+proto_gre_setup() {
+	local cfg="$1"
+
+	gre_setup $cfg "greip"
+}
+
+proto_gretap_setup() {
+	local cfg="$1"
+
+	local network
+	json_get_vars network
+
+	gre_setup $cfg "gretapip"
+
+	json_init
+	json_add_string name "gre-$cfg"
+	json_add_boolean link-ext 0
+	json_close_object
+
+	for i in $network; do
+		ubus call network.interface."$i" add_device "$(json_dump)"
+	done
+}
+
+grev6_setup() {
+	local cfg="$1"
+	local mode="$2"
+
+	local ip6addr peer6addr weakif
+	json_get_vars ip6addr peer6addr tunlink weakif
+
+	[ -z "$peer6addr" ] && {
+		proto_notify_error "$cfg" "MISSING_ADDRESS"
+		proto_block_restart "$cfg"
+		exit
+	}
+
+	( proto_add_host_dependency "$cfg" "$peer6addr" "$tunlink" )
+
+	[ -z "$ip6addr" ] && {
+		local wanif="$tunlink"
+		if [ -z $wanif ] && ! network_find_wan6 wanif; then
+			proto_notify_error "$cfg" "NO_WAN_LINK"
+			exit
+		fi
+
+		if ! network_get_ipaddr6 ip6addr "$wanif"; then
+			[ -z "$weakif" ] && weakif="lan"
+			if ! network_get_ipaddr6 ip6addr "$weakif"; then
+				proto_notify_error "$cfg" "NO_WAN_LINK"
+				exit
+			fi
+		fi
+	}
+
+	gre_generic_setup $cfg $mode $ip6addr $peer6addr "grev6-$cfg"
+}
+
+proto_grev6_setup() {
+	local cfg="$1"
+
+	grev6_setup $cfg "greip6"
+}
+
+proto_grev6tap_setup() {
+	local cfg="$1"
+
+	local network
+	json_get_vars network
+
+	grev6_setup $cfg "gretapip6"
+
+	json_init
+	json_add_string name "grev6-$cfg"
+	json_add_boolean link-ext 0
+	json_close_object
+
+	for i in $network; do
+		ubus call network.interface."$i" add_device "$(json_dump)"
+	done
+}
+
+gretap_generic_teardown() {
+	local network
+	json_get_vars network
+
+	json_init
+	json_add_string name "$1"
+	json_add_boolean link-ext 0
+	json_close_object
+
+	for i in $network; do
+		ubus call network.interface."$i" remove_device "$(json_dump)"
+	done
+}
+
+proto_gre_teardown() {
+	local cfg="$1"
+}
+
+proto_gretap_teardown() {
+	local cfg="$1"
+
+	gretap_generic_teardown "gre-$cfg"
+}
+
+proto_grev6_teardown() {
+	local cfg="$1"
+}
+
+proto_grev6tap_teardown() {
+	local cfg="$1"
+
+	gretap_generic_teardown "grev6-$cfg"
+}
+
+gre_generic_init_config() {
+	no_device=1
+	available=1
+
+	proto_config_add_int "mtu"
+	proto_config_add_int "ttl"
+	proto_config_add_string "tos"
+	proto_config_add_string "tunlink"
+	proto_config_add_string "zone"
+	proto_config_add_int "ikey"
+	proto_config_add_int "okey"
+	proto_config_add_boolean "icsum"
+	proto_config_add_boolean "ocsum"
+	proto_config_add_boolean "iseqno"
+	proto_config_add_boolean "oseqno"
+}
+
+proto_gre_init_config() {
+	gre_generic_init_config
+	proto_config_add_string "ipaddr"
+	proto_config_add_string "peeraddr"
+	proto_config_add_boolean "df"
+}
+
+proto_gretap_init_config() {
+	proto_gre_init_config
+	proto_config_add_string "network"
+}
+
+proto_grev6_init_config() {
+	gre_generic_init_config
+	proto_config_add_string "ip6addr"
+	proto_config_add_string "peer6addr"
+	proto_config_add_string "weakif"
+}
+
+proto_grev6tap_init_config() {
+	proto_grev6_init_config
+	proto_config_add_string "network"
+}
+
+[ -n "$INCLUDE_ONLY" ] || {
+	[ -f /lib/modules/$(uname -r)/gre.ko ] && add_protocol gre
+	[ -f /lib/modules/$(uname -r)/gre.ko ] && add_protocol gretap
+	[ -f /lib/modules/$(uname -r)/ip6_gre.ko ] && add_protocol grev6
+	[ -f /lib/modules/$(uname -r)/ip6_gre.ko ] && add_protocol grev6tap
+}
-- 
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