flm01/openwrt/package/luci/applications/luci-ffwizard-leipzig/luasrc/model/cbi/ffwizard.lua

392 lines
9.8 KiB
Lua

--[[
LuCI - Lua Configuration Interface
Copyright 2008 Steven Barth <steven@midlink.org>
Copyright 2008 Jo-Philipp Wich <xm@leipzig.freifunk.net>
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
$Id: ffwizard.lua 4187 2009-01-30 15:07:36Z jow $
]]--
local uci = require "luci.model.uci".cursor()
local tools = require "luci.tools.ffwizard"
local util = require "luci.util"
local sys = require "luci.sys"
-------------------- View --------------------
f = SimpleForm("ffwizward", "Freifunkassistent",
"Dieser Assistent unterstüzt bei der Einrichtung des Routers für das Freifunknetz.")
dev = f:field(ListValue, "device", "WLAN-Gerät")
uci:foreach("wireless", "wifi-device",
function(section)
dev:value(section[".name"])
end)
main = f:field(Flag, "wifi", "Freifunkzugang einrichten")
net = f:field(Value, "net", "Freifunknetz", "1. Teil der IP-Adresse")
net.rmempty = true
net:depends("wifi", "1")
uci:foreach("freifunk", "community", function(s)
net:value(s[".name"], "%s (%s)" % {s.name, s.prefix})
end)
function net.cfgvalue(self, section)
return uci:get("freifunk", "wizard", "net")
end
function net.write(self, section, value)
uci:set("freifunk", "wizard", "net", value)
uci:save("freifunk")
end
subnet = f:field(Value, "subnet", "Subnetz (Projekt)", "2. Teil der IP-Adresse")
subnet.rmempty = true
subnet:depends("wifi", "1")
function subnet.cfgvalue(self, section)
return uci:get("freifunk", "wizard", "subnet")
end
function subnet.write(self, section, value)
uci:set("freifunk", "wizard", "subnet", value)
uci:save("freifunk")
end
node = f:field(Value, "node", "Knoten", "3. Teil der IP-Adresse")
node.rmempty = true
node:depends("wifi", "1")
for i=1, 51 do
node:value(i)
end
function node.cfgvalue(self, section)
return uci:get("freifunk", "wizard", "node")
end
function node.write(self, section, value)
uci:set("freifunk", "wizard", "node", value)
uci:save("freifunk")
end
client = f:field(Flag, "client", "WLAN-DHCP anbieten")
client:depends("wifi", "1")
client.rmempty = true
olsr = f:field(Flag, "olsr", "OLSR einrichten")
olsr.rmempty = true
share = f:field(Flag, "sharenet", "Eigenen Internetzugang freigeben")
share.rmempty = true
-------------------- Control --------------------
function f.handle(self, state, data)
if state == FORM_VALID then
luci.http.redirect(luci.dispatcher.build_url("admin", "uci", "changes"))
return false
elseif state == FORM_INVALID then
self.errmessage = "Ungültige Eingabe: Bitte die Formularfelder auf Fehler prüfen."
end
return true
end
local function _strip_internals(tbl)
tbl = tbl or {}
for k, v in pairs(tbl) do
if k:sub(1, 1) == "." then
tbl[k] = nil
end
end
return tbl
end
-- Configure Freifunk checked
function main.write(self, section, value)
if value == "0" then
return
end
local device = dev:formvalue(section)
local community, external
-- Collect IP-Address
local inet = net:formvalue(section)
local isubnet = subnet:formvalue(section)
local inode = node:formvalue(section)
-- Invalidate fields
if not inet then
net.tag_missing[section] = true
else
community = inet
external = uci:get("freifunk", community, "external") or ""
inet = uci:get("freifunk", community, "prefix") or inet
end
if not isubnet then
subnet.tag_missing[section] = true
end
if not inode then
node.tag_missing[section] = true
end
if not inet or not isubnet or not inode then
return
end
local ip = "%s.%s.%s" % {inet, isubnet, inode}
-- Cleanup
tools.wifi_delete_ifaces(device)
tools.network_remove_interface(device)
tools.firewall_zone_remove_interface("freifunk", device)
-- Tune community settings
if community and uci:get("freifunk", community) then
uci:tset("freifunk", "community", uci:get_all("freifunk", community))
end
-- Tune wifi device
local devconfig = uci:get_all("freifunk", "wifi_device")
util.update(devconfig, uci:get_all(external, "wifi_device") or {})
uci:tset("wireless", device, devconfig)
-- Create wifi iface
local ifconfig = uci:get_all("freifunk", "wifi_iface")
util.update(ifconfig, uci:get_all(external, "wifi_iface") or {})
ifconfig.device = device
ifconfig.network = device
ifconfig.ssid = uci:get("freifunk", community, "ssid")
uci:section("wireless", "wifi-iface", nil, ifconfig)
-- Save wifi
uci:save("wireless")
-- Create firewall zone and add default rules (first time)
local newzone = tools.firewall_create_zone("freifunk", "REJECT", "ACCEPT", "REJECT", true)
if newzone then
uci:foreach("freifunk", "fw_forwarding", function(section)
uci:section("firewall", "forwarding", nil, section)
end)
uci:foreach(external, "fw_forwarding", function(section)
uci:section("firewall", "forwarding", nil, section)
end)
uci:foreach("freifunk", "fw_rule", function(section)
uci:section("firewall", "rule", nil, section)
end)
uci:foreach(external, "fw_rule", function(section)
uci:section("firewall", "rule", nil, section)
end)
end
-- Enforce firewall include
local has_include = false
uci:foreach("firewall", "include",
function(section)
if section.path == "/etc/firewall.freifunk" then
has_include = true
end
end)
if not has_include then
uci:section("firewall", "include", nil,
{ path = "/etc/firewall.freifunk" })
end
-- Allow state: invalid packets
uci:foreach("firewall", "defaults",
function(section)
uci:set("firewall", section[".name"], "drop_invalid", "0")
end)
-- Prepare advanced config
local has_advanced = false
uci:foreach("firewall", "advanced",
function(section) has_advanced = true end)
if not has_advanced then
uci:section("firewall", "advanced", nil,
{ tcp_ecn = "0" })
end
uci:save("firewall")
-- Create network interface
local netconfig = uci:get_all("freifunk", "interface")
util.update(netconfig, uci:get_all(external, "interface") or {})
netconfig.proto = "static"
netconfig.ipaddr = ip
uci:section("network", "interface", device, netconfig)
uci:save("network")
tools.firewall_zone_add_interface("freifunk", device)
-- Set hostname
local new_hostname = ip:gsub("%.", "-")
local old_hostname = sys.hostname()
if old_hostname == "OpenWrt" or old_hostname:match("^%d+-%d+-%d+-%d+$") then
uci:foreach("system", "system",
function(s)
uci:set("system", s['.name'], "hostname", new_hostname)
end)
luci.fs.writefile( "/proc/sys/kernel/hostname", new_hostname.."\n" )
uci:save("system")
end
end
function olsr.write(self, section, value)
if value == "0" then
return
end
local device = dev:formvalue(section)
local community = net:formvalue(section)
local external = community and uci:get("freifunk", community, "external") or ""
-- Configure nameservice
local hostname
uci:foreach("system", "system", function(s) hostname = s.hostname end)
if hostname then
uci:foreach("olsrd", "LoadPlugin",
function(s)
if s.library == "olsrd_nameservice.so.0.3" then
uci:set("olsrd", s['.name'], "name", hostname)
end
end)
end
-- Delete old interface
uci:delete_all("olsrd", "Interface", {interface=device})
-- Write new interface
local olsrbase = uci:get_all("freifunk", "olsr_interface")
util.update(olsrbase, uci:get_all(external, "olsr_interface") or {})
olsrbase.interface = device
olsrbase.ignore = "0"
uci:section("olsrd", "Interface", nil, olsrbase)
uci:save("olsrd")
-- Import hosts
uci:foreach("dhcp", "dnsmasq", function(s)
uci:set("dhcp", s[".name"], "addnhosts", "/var/etc/hosts.olsr")
end)
uci:save("dhcp")
end
function share.write(self, section, value)
uci:delete_all("firewall", "forwarding", {src="freifunk", dest="wan"})
uci:delete_all("olsrd", "LoadPlugin", {library="olsrd_dyn_gw_plain.so.0.4"})
if value == "1" then
uci:section("firewall", "forwarding", nil, {src="freifunk", dest="wan"})
uci:section("olsrd", "LoadPlugin", nil, {library="olsrd_dyn_gw_plain.so.0.4"})
end
uci:save("firewall")
uci:save("olsrd")
end
function client.write(self, section, value)
if value == "0" then
return
end
local device = dev:formvalue(section)
-- Collect IP-Address
local inet = net:formvalue(section)
local isubnet = subnet:formvalue(section)
local inode = node:formvalue(section)
if not inet or not isubnet or not inode then
return
end
local community = inet
local external = community and uci:get("freifunk", community, "external") or ""
inet = uci:get("freifunk", community, "prefix") or inet
local dhcpbeg = 48 + tonumber(inode) * 4
local dclient = "%s.%s.%s" % {inet:gsub("^[0-9]+", "10"), isubnet, dhcpbeg}
local limit = dhcpbeg < 252 and 3 or 2
-- Delete old alias
uci:delete("network", device .. "dhcp")
-- Create alias
local aliasbase = uci:get_all("freifunk", "alias")
util.update(aliasbase, uci:get_all(external, "alias") or {})
aliasbase.interface = device
aliasbase.ipaddr = dclient
aliasbase.proto = "static"
uci:section("network", "alias", device .. "dhcp", aliasbase)
uci:save("network")
-- Create dhcp
local dhcpbase = uci:get_all("freifunk", "dhcp")
util.update(dhcpbase, uci:get_all(external, "dhcp") or {})
dhcpbase.interface = device .. "dhcp"
dhcpbase.start = dhcpbeg
dhcpbase.limit = limit
uci:section("dhcp", "dhcp", device .. "dhcp", dhcpbase)
uci:save("dhcp")
uci:delete_all("firewall", "rule", {
src="freifunk",
proto="udp",
src_port="68",
dest_port="67"
})
uci:section("firewall", "rule", nil, {
src="freifunk",
proto="udp",
src_port="68",
dest_port="67",
target="ACCEPT"
})
uci:delete_all("firewall", "rule", {
src="freifunk",
proto="tcp",
dest_port="8082",
})
uci:section("firewall", "rule", nil, {
src="freifunk",
proto="tcp",
dest_port="8082",
target="ACCEPT"
})
-- Delete old splash
uci:delete_all("luci_splash", "iface", {net=device, zone="freifunk"})
-- Register splash
uci:section("luci_splash", "iface", nil, {net=device, zone="freifunk"})
uci:save("luci_splash")
end
return f