applications/luci-ffwizard-leipzig/luasrc/model/cbi/ffwizard.lua

   1 --[[
   2 LuCI - Lua Configuration Interface
   3
   4 Copyright 2008 Steven Barth <steven@midlink.org>
   5 Copyright 2008 Jo-Philipp Wich <xm@leipzig.freifunk.net>
   6
   7 Licensed under the Apache License, Version 2.0 (the "License");
   8 you may not use this file except in compliance with the License.
   9 You may obtain a copy of the License at
  10
  11 http://www.apache.org/licenses/LICENSE-2.0
  12
  13 $Id$
  14
  15 ]]--
  16
  17
  18 local uci = require "luci.model.uci".cursor()
  19 local tools = require "luci.tools.ffwizard"
  20 local util = require "luci.util"
  21
  22
  23 -------------------- View --------------------
  24 f = SimpleForm("ffwizward", "Freifunkassistent",
  25  "Dieser Assistent unterstüzt bei der Einrichtung des Routers für das Freifunknetz.")
  26
  27
  28 dev = f:field(ListValue, "device", "WLAN-Gerät")
  29 uci:foreach("wireless", "wifi-device",
  30         function(section)
  31                 dev:value(section[".name"])
  32         end)
  33
  34
  35 main = f:field(Flag, "wifi", "Freifunkzugang einrichten")
  36
  37 net = f:field(Value, "net", "Freifunknetz", "1. Teil der IP-Adresse")
  38 net.rmempty = true
  39 net:depends("wifi", "1")
  40 uci:foreach("freifunk", "community", function(s)
  41         net:value(s[".name"], "%s (%s)" % {s.name, s.prefix})
  42 end)
  43
  44 function net.cfgvalue(self, section)
  45         return uci:get("freifunk", "wizard", "net")
  46 end
  47 function net.write(self, section, value)
  48         uci:set("freifunk", "wizard", "net", value)
  49         uci:save("freifunk")
  50 end
  51
  52
  53 subnet = f:field(Value, "subnet", "Subnetz (Projekt)", "2. Teil der IP-Adresse")
  54 subnet.rmempty = true
  55 subnet:depends("wifi", "1")
  56 function subnet.cfgvalue(self, section)
  57         return uci:get("freifunk", "wizard", "subnet")
  58 end
  59 function subnet.write(self, section, value)
  60         uci:set("freifunk", "wizard", "subnet", value)
  61         uci:save("freifunk")
  62 end
  63
  64 node = f:field(Value, "node", "Knoten", "3. Teil der IP-Adresse")
  65 node.rmempty = true
  66 node:depends("wifi", "1")
  67 for i=1, 51 do
  68         node:value(i)
  69 end
  70 function node.cfgvalue(self, section)
  71         return uci:get("freifunk", "wizard", "node")
  72 end
  73 function node.write(self, section, value)
  74         uci:set("freifunk", "wizard", "node", value)
  75         uci:save("freifunk")
  76 end
  77
  78 client = f:field(Flag, "client", "WLAN-DHCP anbieten")
  79 client:depends("wifi", "1")
  80 client.rmempty = true
  81 function client.cfgvalue(self, section)
  82         return uci:get("freifunk", "wizard", "client")
  83 end
  84 function client.write(self, section, value)
  85         uci:set("freifunk", "wizard", "client", value)
  86         uci:save("freifunk")
  87 end
  88
  89
  90 olsr = f:field(Flag, "olsr", "OLSR einrichten")
  91
  92 share = f:field(Flag, "sharenet", "Eigenen Internetzugang freigeben")
  93 share.rmempty = true
  94 function share.cfgvalue(self, section)
  95         return uci:get("freifunk", "wizard", "sharenet")
  96 end
  97 function share.write(self, section, value)
  98         uci:set("freifunk", "wizard", "sharenet", value)
  99         uci:save("freifunk")
 100 end
 101
 102
 103
 104 -------------------- Control --------------------
 105 function f.handle(self, state, data)
 106         if state == FORM_VALID then
 107                 luci.http.redirect(luci.dispatcher.build_url("admin", "uci", "changes"))
 108                 return false
 109         elseif state == FORM_INVALID then
 110                 self.errmessage = "Ungültige Eingabe: Bitte die Formularfelder auf Fehler prüfen."
 111         end
 112         return true
 113 end
 114
 115 local function _strip_internals(tbl)
 116         tbl = tbl or {}
 117         for k, v in pairs(tbl) do
 118                 if k:sub(1, 1) == "." then
 119                         tbl[k] = nil
 120                 end
 121         end
 122         return tbl
 123 end
 124
 125 -- Configure Freifunk checked
 126 function main.write(self, section, value)
 127         if value == "0" then
 128                 return
 129         end
 130
 131         local device = dev:formvalue(section)
 132         local community, external
 133
 134         -- Collect IP-Address
 135         local inet = net:formvalue(section)
 136         local isubnet = subnet:formvalue(section)
 137         local inode = node:formvalue(section)
 138
 139         -- Invalidate fields
 140         if not inet then
 141                 net.tag_missing[section] = true
 142         else
 143                 community = inet
 144                 external  = uci:get("freifunk", community, "external") or ""
 145                 inet = uci:get("freifunk", community, "prefix") or inet
 146         end
 147         if not isubnet then
 148                 subnet.tag_missing[section] = true
 149         end
 150         if not inode then
 151                 node.tag_missing[section] = true
 152         end
 153
 154         if not inet or not isubnet or not inode then
 155                 return
 156         end
 157
 158         local ip = "%s.%s.%s" % {inet, isubnet, inode}
 159
 160
 161         -- Cleanup
 162         tools.wifi_delete_ifaces(device)
 163         tools.network_remove_interface(device)
 164         tools.firewall_zone_remove_interface("freifunk", device)
 165
 166         -- Tune community settings
 167         if community then
 168                 uci:tset("freifunk", "community", uci:get_all("freifunk", community))
 169         end
 170
 171         -- Tune wifi device
 172         local devconfig = uci:get_all("freifunk", "wifi_device")
 173         util.update(devconfig, uci:get_all(external, "wifi_device") or {})
 174         uci:tset("wireless", device, devconfig)
 175
 176         -- Create wifi iface
 177         local ifconfig = uci:get_all("freifunk", "wifi_iface")
 178         util.update(ifconfig, uci:get_all(external, "wifi_iface") or {})
 179         ifconfig.device = device
 180         ifconfig.network = device
 181         ifconfig.ssid = uci:get("freifunk", community, "ssid")
 182         uci:section("wireless", "wifi-iface", nil, ifconfig)
 183
 184         -- Save wifi
 185         uci:save("wireless")
 186
 187         -- Create firewall zone and add default rules (first time)
 188         local newzone = tools.firewall_create_zone("freifunk", "DROP", "ACCEPT", "DROP", true)
 189         if newzone then
 190                 uci:foreach("freifunk", "fw_forwarding", function(section)
 191                         uci:section("firewall", "forwarding", nil, section)
 192                 end)
 193                 uci:foreach(external, "fw_forwarding", function(section)
 194                         uci:section("firewall", "forwarding", nil, section)
 195                 end)
 196
 197                 uci:foreach("freifunk", "fw_rule", function(section)
 198                         uci:section("firewall", "rule", nil, section)
 199                 end)
 200                 uci:foreach(external, "fw_rule", function(section)
 201                         uci:section("firewall", "rule", nil, section)
 202                 end)
 203
 204                 uci:save("firewall")
 205         end
 206
 207
 208         -- Crate network interface
 209         local netconfig = uci:get_all("freifunk", "interface")
 210         util.update(netconfig, uci:get_all(external, "interface") or {})
 211         netconfig.proto = "static"
 212         netconfig.ipaddr = ip
 213         uci:section("network", "interface", device, netconfig)
 214
 215         uci:save("network")
 216
 217         tools.firewall_zone_add_interface("freifunk", device)
 218 end
 219
 220
 221 function olsr.write(self, section, value)
 222         if value == "0" then
 223                 return
 224         end
 225
 226
 227         local device = dev:formvalue(section)
 228
 229         local community = net:formvalue(section)
 230         local external  = community and uci:get("freifunk", community, "external") or ""
 231
 232         -- Delete old interface
 233         uci:delete_all("freifunk", "Interface", {Interface=device})
 234
 235         -- Write new interface
 236         local olsrbase = uci:get_all("freifunk", "olsr_interface")
 237         util.update(olsrbase, uci:get_all(external, "olsr_interface") or {})
 238         olsrbase.interface = device
 239         olsrbase.ignore    = "0"
 240         uci:section("olsrd", "Interface", nil, olsrbase)
 241         uci:save("olsrd")
 242 end
 243
 244
 245 function share.write(self, section, value)
 246         uci:delete_all("firewall", "forwarding", {src="freifunk", dest="wan"})
 247
 248         if value == "1" then
 249                 uci:section("firewall", "forwarding", nil, {src="freifunk", dest="wan"})
 250         end
 251         uci:save("firewall")
 252 end
 253
 254
 255 function client.write(self, section, value)
 256         if value == "0" then
 257                 return
 258         end
 259
 260         local device = dev:formvalue(section)
 261
 262         -- Collect IP-Address
 263         local inet = net:formvalue(section)
 264         local isubnet = subnet:formvalue(section)
 265         local inode = node:formvalue(section)
 266
 267         if not inet or not isubnet or not inode then
 268                 return
 269         end
 270         local community = inet
 271         local external  = community and uci:get("freifunk", community, "external") or ""
 272         inet = uci:get("freifunk", community, "prefix") or inet
 273
 274         local dhcpbeg = 48 + tonumber(inode) * 4
 275         local dclient = "%s.%s.%s" % {inet:gsub("^[0-9]+", "10"), isubnet, dhcpbeg}
 276         local limit = dhcpbeg < 252 and 3 or 2
 277
 278         -- Delete old alias
 279         uci:delete("network", device .. "dhcp")
 280
 281         -- Create alias
 282         local aliasbase = uci:get_all("freifunk", "alias")
 283         util.update(aliasbase, uci:get_all(external, "alias") or {})
 284         aliasbase.interface = device
 285         aliasbase.ipaddr = dclient
 286         aliasbase.proto = "static"
 287         uci:section("network", "alias", device .. "dhcp", aliasbase)
 288         uci:save("network")
 289
 290
 291         -- Create dhcp
 292         local dhcpbase = uci:get_all("freifunk", "dhcp")
 293         util.update(dhcpbase, uci:get_all(external, "dhcp") or {})
 294         dhcpbase.interface = device .. "dhcp"
 295         dhcpbase.start = dhcpbeg
 296         dhcpbase.limit = limit
 297
 298         uci:section("dhcp", "dhcp", device .. "dhcp", dhcpbase)
 299         uci:save("dhcp")
 300
 301         uci:delete_all("firewall", "rule", {
 302                 src="freifunk",
 303                 proto="udp",
 304                 src_port="68",
 305                 dest_port="67"
 306         })
 307         uci:section("firewall", "rule", nil, {
 308                 src="freifunk",
 309                 proto="udp",
 310                 src_port="68",
 311                 dest_port="67",
 312                 target="ACCEPT"
 313         })
 314
 315
 316
 317         -- Delete old splash
 318         uci:delete_all("luci_splash", "iface", {net=device, zone="freifunk"})
 319
 320         -- Register splash
 321         uci:section("luci_splash", "iface", nil, {net=device, zone="freifunk"})
 322         uci:save("luci_splash")
 323 end
 324
 325 return f