modules/admin-full/luasrc/controller/admin/network.lua

   1 --[[
   2 LuCI - Lua Configuration Interface
   3
   4 Copyright 2008 Steven Barth <steven@midlink.org>
   5
   6 Licensed under the Apache License, Version 2.0 (the "License");
   7 you may not use this file except in compliance with the License.
   8 You may obtain a copy of the License at
   9
  10         http://www.apache.org/licenses/LICENSE-2.0
  11
  12 $Id$
  13 ]]--
  14
  15 module("luci.controller.admin.network", package.seeall)
  16
  17 function index()
  18         require("luci.i18n")
  19         local uci = require("luci.model.uci").cursor()
  20         local i18n = luci.i18n.translate
  21         local has_wifi = nixio.fs.stat("/etc/config/wireless")
  22         local has_switch = false
  23
  24         uci:foreach("network", "switch",
  25                 function(s)
  26                         has_switch = true
  27                         return false
  28                 end
  29         )
  30
  31         local page
  32
  33         page = node("admin", "network")
  34         page.target = alias("admin", "network", "network")
  35         page.title  = i18n("Network")
  36         page.order  = 50
  37         page.index  = true
  38
  39         if has_switch then
  40                 page  = node("admin", "network", "vlan")
  41                 page.target = cbi("admin_network/vlan")
  42                 page.title  = i18n("Switch")
  43                 page.order  = 20
  44         end
  45
  46         if has_wifi and has_wifi.size > 0 then
  47                 page = entry({"admin", "network", "wireless"}, arcombine(template("admin_network/wifi_overview"), cbi("admin_network/wifi")), i18n("Wifi"), 15)
  48                 page.leaf = true
  49                 page.subindex = true
  50
  51                 page = entry({"admin", "network", "wireless_join"}, call("wifi_join"), nil, 16)
  52                 page.leaf = true
  53
  54                 page = entry({"admin", "network", "wireless_add"}, call("wifi_add"), nil, 16)
  55                 page.leaf = true
  56
  57                 page = entry({"admin", "network", "wireless_delete"}, call("wifi_delete"), nil, 16)
  58                 page.leaf = true
  59
  60                 page = entry({"admin", "network", "wireless_status"}, call("wifi_status"), nil, 16)
  61                 page.leaf = true
  62         end
  63
  64         page = entry({"admin", "network", "network"}, arcombine(cbi("admin_network/network"), cbi("admin_network/ifaces")), i18n("Interfaces"), 10)
  65         page.leaf   = true
  66         page.subindex = true
  67
  68         page = entry({"admin", "network", "iface_add"}, cbi("admin_network/iface_add"), nil)
  69         page.leaf = true
  70
  71         page = entry({"admin", "network", "iface_delete"}, call("iface_delete"), nil)
  72         page.leaf = true
  73
  74         page = entry({"admin", "network", "iface_status"}, call("iface_status"), nil)
  75         page.leaf = true
  76
  77         page = entry({"admin", "network", "iface_reconnect"}, call("iface_reconnect"), nil)
  78         page.leaf = true
  79
  80         page = entry({"admin", "network", "iface_shutdown"}, call("iface_shutdown"), nil)
  81         page.leaf = true
  82
  83         uci:foreach("network", "interface",
  84                 function (section)
  85                         local ifc = section[".name"]
  86                         if ifc ~= "loopback" then
  87                                 entry({"admin", "network", "network", ifc},
  88                                  true,
  89                                  ifc:upper())
  90                         end
  91                 end
  92         )
  93
  94         if nixio.fs.access("/etc/config/dhcp") then
  95                 page = node("admin", "network", "dhcpleases")
  96                 page.target = cbi("admin_network/dhcpleases")
  97                 page.title  = i18n("DHCP Leases")
  98                 page.order  = 30
  99
 100                 page = entry({"admin", "network", "dhcplease_status"}, call("lease_status"), nil)
 101                 page.leaf = true
 102
 103                 page = node("admin", "network", "hosts")
 104                 page.target = cbi("admin_network/hosts")
 105                 page.title  = i18n("Hostnames")
 106                 page.order  = 40
 107         end
 108
 109         page  = node("admin", "network", "routes")
 110         page.target = cbi("admin_network/routes")
 111         page.title  = i18n("Static Routes")
 112         page.order  = 50
 113
 114         page = node("admin", "network", "diagnostics")
 115         page.target = template("admin_network/diagnostics")
 116         page.title  = i18n("Diagnostics")
 117         page.order  = 60
 118
 119         page = entry({"admin", "network", "diag_ping"}, call("diag_ping"), nil)
 120         page.leaf = true
 121
 122         page = entry({"admin", "network", "diag_nslookup"}, call("diag_nslookup"), nil)
 123         page.leaf = true
 124
 125         page = entry({"admin", "network", "diag_traceroute"}, call("diag_traceroute"), nil)
 126         page.leaf = true
 127 end
 128
 129 function wifi_join()
 130         local function param(x)
 131                 return luci.http.formvalue(x)
 132         end
 133
 134         local function ptable(x)
 135                 x = param(x)
 136                 return x and (type(x) ~= "table" and { x } or x) or {}
 137         end
 138
 139         local dev  = param("device")
 140         local ssid = param("join")
 141
 142         if dev and ssid then
 143                 local cancel  = (param("cancel") or param("cbi.cancel")) and true or false
 144
 145                 if cancel then
 146                         luci.http.redirect(luci.dispatcher.build_url("admin/network/wireless_join?device=" .. dev))
 147                 else
 148                         local cbi = require "luci.cbi"
 149                         local tpl = require "luci.template"
 150                         local map = luci.cbi.load("admin_network/wifi_add")[1]
 151
 152                         if map:parse() ~= cbi.FORM_DONE then
 153                                 tpl.render("header")
 154                                 map:render()
 155                                 tpl.render("footer")
 156                         end
 157                 end
 158         else
 159                 luci.template.render("admin_network/wifi_join")
 160         end
 161 end
 162
 163 function wifi_add()
 164         local dev = luci.http.formvalue("device")
 165         local ntm = require "luci.model.network".init()
 166
 167         dev = dev and ntm:get_wifidev(dev)
 168
 169         if dev then
 170                 local net = dev:add_wifinet({
 171                         mode       = "ap",
 172                         ssid       = "OpenWrt",
 173                         encryption = "none"
 174                 })
 175
 176                 ntm:save("wireless")
 177                 luci.http.redirect(net:adminlink())
 178         end
 179 end
 180
 181 function wifi_delete(network)
 182         local ntm = require "luci.model.network".init()
 183
 184         ntm:del_wifinet(network)
 185         ntm:save("wireless")
 186
 187         luci.http.redirect(luci.dispatcher.build_url("admin/network/wireless"))
 188 end
 189
 190 function iface_status()
 191         local path = luci.dispatcher.context.requestpath
 192         local netm = require "luci.model.network".init()
 193         local rv   = { }
 194
 195         local iface
 196         for iface in path[#path]:gmatch("[%w%.%-]+") do
 197                 local net = netm:get_network(iface)
 198                 if net then
 199                         local info
 200                         local dev  = net:ifname()
 201                         local data = { id = iface, uptime = net:uptime() }
 202                         for _, info in ipairs(nixio.getifaddrs()) do
 203                                 local name = info.name:match("[^:]+")
 204                                 if name == dev then
 205                                         if info.family == "packet" then
 206                                                 data.flags   = info.flags
 207                                                 data.stats   = info.data
 208                                                 data.macaddr = info.addr
 209                                                 data.ifname  = name
 210                                         elseif info.family == "inet" then
 211                                                 data.ipaddrs = data.ipaddrs or { }
 212                                                 data.ipaddrs[#data.ipaddrs+1] = {
 213                                                         addr      = info.addr,
 214                                                         broadaddr = info.broadaddr,
 215                                                         dstaddr   = info.dstaddr,
 216                                                         netmask   = info.netmask,
 217                                                         prefix    = info.prefix
 218                                                 }
 219                                         elseif info.family == "inet6" then
 220                                                 data.ip6addrs = data.ip6addrs or { }
 221                                                 data.ip6addrs[#data.ip6addrs+1] = {
 222                                                         addr    = info.addr,
 223                                                         netmask = info.netmask,
 224                                                         prefix  = info.prefix
 225                                                 }
 226                                         end
 227                                 end
 228                         end
 229
 230                         if next(data) then
 231                                 rv[#rv+1] = data
 232                         end
 233                 end
 234         end
 235
 236         if #rv > 0 then
 237                 luci.http.prepare_content("application/json")
 238                 luci.http.write_json(rv)
 239                 return
 240         end
 241
 242         luci.http.status(404, "No such device")
 243 end
 244
 245 function iface_reconnect()
 246         local path  = luci.dispatcher.context.requestpath
 247         local iface = path[#path]
 248         local netmd = require "luci.model.network".init()
 249
 250         local net = netmd:get_network(iface)
 251         if net then
 252                 local ifn
 253                 for _, ifn in ipairs(net:get_interfaces()) do
 254                         local wnet = ifn:get_wifinet()
 255                         if wnet then
 256                                 local wdev = wnet:get_device()
 257                                 if wdev then
 258                                         luci.sys.call(
 259                                                 "env -i /sbin/wifi up %q >/dev/null 2>/dev/null"
 260                                                         % wdev:name()
 261                                         )
 262
 263                                         luci.http.status(200, "Reconnected")
 264                                         return
 265                                 end
 266                         end
 267                 end
 268
 269                 luci.sys.call("env -i /sbin/ifup %q >/dev/null 2>/dev/null" % iface)
 270                 luci.http.status(200, "Reconnected")
 271                 return
 272         end
 273
 274         luci.http.status(404, "No such interface")
 275 end
 276
 277 function iface_shutdown()
 278         local path  = luci.dispatcher.context.requestpath
 279         local iface = path[#path]
 280         local netmd = require "luci.model.network".init()
 281
 282         local net = netmd:get_network(iface)
 283         if net then
 284                 luci.sys.call("env -i /sbin/ifdown %q >/dev/null 2>/dev/null" % iface)
 285                 luci.http.status(200, "Shutdown")
 286                 return
 287         end
 288
 289         luci.http.status(404, "No such interface")
 290 end
 291
 292 function iface_delete()
 293         local path  = luci.dispatcher.context.requestpath
 294         local iface = path[#path]
 295         local netmd = require "luci.model.network".init()
 296
 297         local net = netmd:del_network(iface)
 298         if net then
 299                 luci.sys.call("env -i /sbin/ifdown %q >/dev/null 2>/dev/null" % iface)
 300                 luci.http.redirect(luci.dispatcher.build_url("admin/network/network"))
 301                 netmd:commit("network")
 302                 netmd:commit("wireless")
 303                 return
 304         end
 305
 306         luci.http.status(404, "No such interface")
 307 end
 308
 309 function wifi_status()
 310         local path = luci.dispatcher.context.requestpath
 311         local arp  = luci.sys.net.arptable()
 312         local rv   = { }
 313
 314         local dev
 315         for dev in path[#path]:gmatch("[%w%.%-]+") do
 316                 local j = { id = dev }
 317                 local iw = luci.sys.wifi.getiwinfo(dev)
 318                 if iw then
 319                         local f
 320                         for _, f in ipairs({
 321                                 "channel", "frequency", "txpower", "bitrate", "signal", "noise",
 322                                 "quality", "quality_max", "mode", "ssid", "bssid", "country",
 323                                 "encryption", "ifname", "assoclist"
 324                         }) do
 325                                 j[f] = iw[f]
 326                         end
 327                 end
 328                 rv[#rv+1] = j
 329         end
 330
 331         if #rv > 0 then
 332                 luci.http.prepare_content("application/json")
 333                 luci.http.write_json(rv)
 334                 return
 335         end
 336
 337         luci.http.status(404, "No such device")
 338 end
 339
 340 function lease_status()
 341         local rv = { }
 342         local leasefile = "/var/dhcp.leases"
 343
 344         local uci = require "luci.model.uci".cursor()
 345         local nfs = require "nixio.fs"
 346
 347         uci:foreach("dhcp", "dnsmasq",
 348                 function(s)
 349                         if s.leasefile and nfs.access(s.leasefile) then
 350                                 leasefile = s.leasefile
 351                                 return false
 352                         end
 353                 end)
 354
 355         local fd = io.open(leasefile, "r")
 356         if fd then
 357                 while true do
 358                         local ln = fd:read("*l")
 359                         if not ln then
 360                                 break
 361                         else
 362                                 local ts, mac, ip, name = ln:match("^(%d+) (%S+) (%S+) (%S+)")
 363                                 if ts and mac and ip and name then
 364                                         rv[#rv+1] = {
 365                                                 expires  = os.difftime(tonumber(ts) or 0, os.time()),
 366                                                 macaddr  = mac,
 367                                                 ipaddr   = ip,
 368                                                 hostname = (name ~= "*") and name
 369                                         }
 370                                 end
 371                         end
 372                 end
 373                 fd:close()
 374         end
 375
 376         luci.http.prepare_content("application/json")
 377         luci.http.write_json(rv)
 378 end
 379
 380 function diag_command(cmd)
 381         local path = luci.dispatcher.context.requestpath
 382         local addr = path[#path]
 383
 384         if addr and addr:match("^[a-zA-Z0-9%-%.:_]+$") then
 385                 luci.http.prepare_content("text/plain")
 386
 387                 local util = io.popen(cmd % addr)
 388                 if util then
 389                         while true do
 390                                 local ln = util:read("*l")
 391                                 if not ln then break end
 392                                 luci.http.write(ln)
 393                                 luci.http.write("\n")
 394                         end
 395
 396                         util:close()
 397                 end
 398
 399                 return
 400         end
 401
 402         luci.http.status(500, "Bad address")
 403 end
 404
 405 function diag_ping()
 406         diag_command("ping -c 5 -W 1 %q 2>&1")
 407 end
 408
 409 function diag_traceroute()
 410         diag_command("traceroute -q 1 -w 1 -n %q 2>&1")
 411 end
 412
 413 function diag_nslookup()
 414         diag_command("nslookup %q 2>&1")
 415 end