modules/luci-base/luasrc/model/network.lua

   1 -- Copyright 2009-2015 Jo-Philipp Wich <jow@openwrt.org>
   2 -- Licensed to the public under the Apache License 2.0.
   3
   4 local type, next, pairs, ipairs, loadfile, table, select
   5         = type, next, pairs, ipairs, loadfile, table, select
   6
   7 local tonumber, tostring, math = tonumber, tostring, math
   8
   9 local pcall, require, setmetatable = pcall, require, setmetatable
  10
  11 local nxo = require "nixio"
  12 local nfs = require "nixio.fs"
  13 local ipc = require "luci.ip"
  14 local utl = require "luci.util"
  15 local uci = require "luci.model.uci"
  16 local lng = require "luci.i18n"
  17 local jsc = require "luci.jsonc"
  18
  19 module "luci.model.network"
  20
  21
  22 IFACE_PATTERNS_VIRTUAL  = { }
  23 IFACE_PATTERNS_IGNORE   = { "^wmaster%d", "^wifi%d", "^hwsim%d", "^imq%d", "^ifb%d", "^mon%.wlan%d", "^sit%d", "^gre%d", "^gretap%d", "^ip6gre%d", "^ip6tnl%d", "^tunl%d", "^lo$" }
  24 IFACE_PATTERNS_WIRELESS = { "^wlan%d", "^wl%d", "^ath%d", "^%w+%.network%d" }
  25
  26
  27 protocol = utl.class()
  28
  29 local _protocols = { }
  30
  31 local _interfaces, _bridge, _switch, _tunnel, _swtopo
  32 local _ubusnetcache, _ubusdevcache, _ubuswificache
  33 local _uci
  34
  35 function _filter(c, s, o, r)
  36         local val = _uci:get(c, s, o)
  37         if val then
  38                 local l = { }
  39                 if type(val) == "string" then
  40                         for val in val:gmatch("%S+") do
  41                                 if val ~= r then
  42                                         l[#l+1] = val
  43                                 end
  44                         end
  45                         if #l > 0 then
  46                                 _uci:set(c, s, o, table.concat(l, " "))
  47                         else
  48                                 _uci:delete(c, s, o)
  49                         end
  50                 elseif type(val) == "table" then
  51                         for _, val in ipairs(val) do
  52                                 if val ~= r then
  53                                         l[#l+1] = val
  54                                 end
  55                         end
  56                         if #l > 0 then
  57                                 _uci:set(c, s, o, l)
  58                         else
  59                                 _uci:delete(c, s, o)
  60                         end
  61                 end
  62         end
  63 end
  64
  65 function _append(c, s, o, a)
  66         local val = _uci:get(c, s, o) or ""
  67         if type(val) == "string" then
  68                 local l = { }
  69                 for val in val:gmatch("%S+") do
  70                         if val ~= a then
  71                                 l[#l+1] = val
  72                         end
  73                 end
  74                 l[#l+1] = a
  75                 _uci:set(c, s, o, table.concat(l, " "))
  76         elseif type(val) == "table" then
  77                 local l = { }
  78                 for _, val in ipairs(val) do
  79                         if val ~= a then
  80                                 l[#l+1] = val
  81                         end
  82                 end
  83                 l[#l+1] = a
  84                 _uci:set(c, s, o, l)
  85         end
  86 end
  87
  88 function _stror(s1, s2)
  89         if not s1 or #s1 == 0 then
  90                 return s2 and #s2 > 0 and s2
  91         else
  92                 return s1
  93         end
  94 end
  95
  96 function _get(c, s, o)
  97         return _uci:get(c, s, o)
  98 end
  99
 100 function _set(c, s, o, v)
 101         if v ~= nil then
 102                 if type(v) == "boolean" then v = v and "1" or "0" end
 103                 return _uci:set(c, s, o, v)
 104         else
 105                 return _uci:delete(c, s, o)
 106         end
 107 end
 108
 109 local function _wifi_state()
 110         if not next(_ubuswificache) then
 111                 _ubuswificache = utl.ubus("network.wireless", "status", {}) or {}
 112         end
 113         return _ubuswificache
 114 end
 115
 116 local function _wifi_state_by_sid(sid)
 117         local t1, n1 = _uci:get("wireless", sid)
 118         if t1 == "wifi-iface" and n1 ~= nil then
 119                 local radioname, radiostate
 120                 for radioname, radiostate in pairs(_wifi_state()) do
 121                         if type(radiostate) == "table" and
 122                            type(radiostate.interfaces) == "table"
 123                         then
 124                                 local netidx, netstate
 125                                 for netidx, netstate in ipairs(radiostate.interfaces) do
 126                                         if type(netstate) == "table" and
 127                                            type(netstate.section) == "string"
 128                                         then
 129                                                 local t2, n2 = _uci:get("wireless", netstate.section)
 130                                                 if t1 == t2 and n1 == n2 then
 131                                                         return radioname, radiostate, netstate
 132                                                 end
 133                                         end
 134                                 end
 135                         end
 136                 end
 137         end
 138 end
 139
 140 local function _wifi_state_by_ifname(ifname)
 141         if type(ifname) == "string" then
 142                 local radioname, radiostate
 143                 for radioname, radiostate in pairs(_wifi_state()) do
 144                         if type(radiostate) == "table" and
 145                            type(radiostate.interfaces) == "table"
 146                         then
 147                                 local netidx, netstate
 148                                 for netidx, netstate in ipairs(radiostate.interfaces) do
 149                                         if type(netstate) == "table" and
 150                                            type(netstate.ifname) == "string" and
 151                                            netstate.ifname == ifname
 152                                         then
 153                                                 return radioname, radiostate, netstate
 154                                         end
 155                                 end
 156                         end
 157                 end
 158         end
 159 end
 160
 161 function _wifi_iface(x)
 162         local _, p
 163         for _, p in ipairs(IFACE_PATTERNS_WIRELESS) do
 164                 if x:match(p) then
 165                         return true
 166                 end
 167         end
 168         return false
 169 end
 170
 171 local function _wifi_iwinfo_by_ifname(ifname, force_phy_only)
 172         local stat, iwinfo = pcall(require, "iwinfo")
 173         local iwtype = stat and type(ifname) == "string" and iwinfo.type(ifname)
 174         local is_nonphy_op = {
 175                 bitrate     = true,
 176                 quality     = true,
 177                 quality_max = true,
 178                 mode        = true,
 179                 ssid        = true,
 180                 bssid       = true,
 181                 assoclist   = true,
 182                 encryption  = true
 183         }
 184
 185         if iwtype then
 186                 -- if we got a type but no real netdev, we're referring to a phy
 187                 local phy_only = force_phy_only or (ipc.link(ifname).type ~= 1)
 188
 189                 return setmetatable({}, {
 190                         __index = function(t, k)
 191                                 if k == "ifname" then
 192                                         return ifname
 193                                 elseif phy_only and is_nonphy_op[k] then
 194                                         return nil
 195                                 elseif iwinfo[iwtype][k] then
 196                                         return iwinfo[iwtype][k](ifname)
 197                                 end
 198                         end
 199                 })
 200         end
 201 end
 202
 203 local function _wifi_sid_by_netid(netid)
 204         if type(netid) == "string" then
 205                 local radioname, netidx = netid:match("^(%w+)%.network(%d+)$")
 206                 if radioname and netidx then
 207                         local i, n = 0, nil
 208
 209                         netidx = tonumber(netidx)
 210                         _uci:foreach("wireless", "wifi-iface",
 211                                 function(s)
 212                                         if s.device == radioname then
 213                                                 i = i + 1
 214                                                 if i == netidx then
 215                                                         n = s[".name"]
 216                                                         return false
 217                                                 end
 218                                         end
 219                                 end)
 220
 221                         return n
 222                 end
 223         end
 224 end
 225
 226 function _wifi_sid_by_ifname(ifn)
 227         local sid = _wifi_sid_by_netid(ifn)
 228         if sid then
 229                 return sid
 230         end
 231
 232         local _, _, netstate = _wifi_state_by_ifname(ifn)
 233         if netstate and type(netstate.section) == "string" then
 234                 return netstate.section
 235         end
 236 end
 237
 238 local function _wifi_netid_by_sid(sid)
 239         local t, n = _uci:get("wireless", sid)
 240         if t == "wifi-iface" and n ~= nil then
 241                 local radioname = _uci:get("wireless", n, "device")
 242                 if type(radioname) == "string" then
 243                         local i, netid = 0, nil
 244
 245                         _uci:foreach("wireless", "wifi-iface",
 246                                 function(s)
 247                                         if s.device == radioname then
 248                                                 i = i + 1
 249                                                 if s[".name"] == n then
 250                                                         netid = "%s.network%d" %{ radioname, i }
 251                                                         return false
 252                                                 end
 253                                         end
 254                                 end)
 255
 256                         return netid, radioname
 257                 end
 258         end
 259 end
 260
 261 local function _wifi_netid_by_netname(name)
 262         local netid = nil
 263
 264         _uci:foreach("wireless", "wifi-iface",
 265                 function(s)
 266                         local net
 267                         for net in utl.imatch(s.network) do
 268                                 if net == name then
 269                                         netid = _wifi_netid_by_sid(s[".name"])
 270                                         return false
 271                                 end
 272                         end
 273                 end)
 274
 275         return netid
 276 end
 277
 278 function _iface_virtual(x)
 279         local _, p
 280         for _, p in ipairs(IFACE_PATTERNS_VIRTUAL) do
 281                 if x:match(p) then
 282                         return true
 283                 end
 284         end
 285         return false
 286 end
 287
 288 function _iface_ignore(x)
 289         local _, p
 290         for _, p in ipairs(IFACE_PATTERNS_IGNORE) do
 291                 if x:match(p) then
 292                         return true
 293                 end
 294         end
 295         return false
 296 end
 297
 298 function init(cursor)
 299         _uci = cursor or _uci or uci.cursor()
 300
 301         _interfaces = { }
 302         _bridge     = { }
 303         _switch     = { }
 304         _tunnel     = { }
 305         _swtopo     = { }
 306
 307         _ubusnetcache  = { }
 308         _ubusdevcache  = { }
 309         _ubuswificache = { }
 310
 311         -- read interface information
 312         local n, i
 313         for n, i in ipairs(nxo.getifaddrs()) do
 314                 local name = i.name:match("[^:]+")
 315
 316                 if _iface_virtual(name) then
 317                         _tunnel[name] = true
 318                 end
 319
 320                 if _tunnel[name] or not (_iface_ignore(name) or _iface_virtual(name)) then
 321                         _interfaces[name] = _interfaces[name] or {
 322                                 idx      = i.ifindex or n,
 323                                 name     = name,
 324                                 rawname  = i.name,
 325                                 flags    = { },
 326                                 ipaddrs  = { },
 327                                 ip6addrs = { }
 328                         }
 329
 330                         if i.family == "packet" then
 331                                 _interfaces[name].flags   = i.flags
 332                                 _interfaces[name].stats   = i.data
 333                                 _interfaces[name].macaddr = i.addr
 334                         elseif i.family == "inet" then
 335                                 _interfaces[name].ipaddrs[#_interfaces[name].ipaddrs+1] = ipc.IPv4(i.addr, i.netmask)
 336                         elseif i.family == "inet6" then
 337                                 _interfaces[name].ip6addrs[#_interfaces[name].ip6addrs+1] = ipc.IPv6(i.addr, i.netmask)
 338                         end
 339                 end
 340         end
 341
 342         -- read bridge informaton
 343         local b, l
 344         for l in utl.execi("brctl show") do
 345                 if not l:match("STP") then
 346                         local r = utl.split(l, "%s+", nil, true)
 347                         if #r == 4 then
 348                                 b = {
 349                                         name    = r[1],
 350                                         id      = r[2],
 351                                         stp     = r[3] == "yes",
 352                                         ifnames = { _interfaces[r[4]] }
 353                                 }
 354                                 if b.ifnames[1] then
 355                                         b.ifnames[1].bridge = b
 356                                 end
 357                                 _bridge[r[1]] = b
 358                         elseif b then
 359                                 b.ifnames[#b.ifnames+1] = _interfaces[r[2]]
 360                                 b.ifnames[#b.ifnames].bridge = b
 361                         end
 362                 end
 363         end
 364
 365         -- read switch topology
 366         local boardinfo = jsc.parse(nfs.readfile("/etc/board.json") or "")
 367         if type(boardinfo) == "table" and type(boardinfo.switch) == "table" then
 368                 local switch, layout
 369                 for switch, layout in pairs(boardinfo.switch) do
 370                         if type(layout) == "table" and type(layout.ports) == "table" then
 371                                 local _, port
 372                                 local ports = { }
 373                                 local nports = { }
 374                                 local netdevs = { }
 375
 376                                 for _, port in ipairs(layout.ports) do
 377                                         if type(port) == "table" and
 378                                            type(port.num) == "number" and
 379                                            (type(port.role) == "string" or
 380                                             type(port.device) == "string")
 381                                         then
 382                                                 local spec = {
 383                                                         num    = port.num,
 384                                                         role   = port.role or "cpu",
 385                                                         index  = port.index or port.num
 386                                                 }
 387
 388                                                 if port.device then
 389                                                         spec.device = port.device
 390                                                         spec.tagged = port.need_tag
 391                                                         netdevs[tostring(port.num)] = port.device
 392                                                 end
 393
 394                                                 ports[#ports+1] = spec
 395
 396                                                 if port.role then
 397                                                         nports[port.role] = (nports[port.role] or 0) + 1
 398                                                 end
 399                                         end
 400                                 end
 401
 402                                 table.sort(ports, function(a, b)
 403                                         if a.role ~= b.role then
 404                                                 return (a.role < b.role)
 405                                         end
 406
 407                                         return (a.index < b.index)
 408                                 end)
 409
 410                                 local pnum, role
 411                                 for _, port in ipairs(ports) do
 412                                         if port.role ~= role then
 413                                                 role = port.role
 414                                                 pnum = 1
 415                                         end
 416
 417                                         if role == "cpu" then
 418                                                 port.label = "CPU (%s)" % port.device
 419                                         elseif nports[role] > 1 then
 420                                                 port.label = "%s %d" %{ role:upper(), pnum }
 421                                                 pnum = pnum + 1
 422                                         else
 423                                                 port.label = role:upper()
 424                                         end
 425
 426                                         port.role = nil
 427                                         port.index = nil
 428                                 end
 429
 430                                 _swtopo[switch] = {
 431                                         ports = ports,
 432                                         netdevs = netdevs
 433                                 }
 434                         end
 435                 end
 436         end
 437
 438         return _M
 439 end
 440
 441 function save(self, ...)
 442         _uci:save(...)
 443         _uci:load(...)
 444 end
 445
 446 function commit(self, ...)
 447         _uci:commit(...)
 448         _uci:load(...)
 449 end
 450
 451 function ifnameof(self, x)
 452         if utl.instanceof(x, interface) then
 453                 return x:name()
 454         elseif utl.instanceof(x, protocol) then
 455                 return x:ifname()
 456         elseif type(x) == "string" then
 457                 return x:match("^[^:]+")
 458         end
 459 end
 460
 461 function get_protocol(self, protoname, netname)
 462         local v = _protocols[protoname]
 463         if v then
 464                 return v(netname or "__dummy__")
 465         end
 466 end
 467
 468 function get_protocols(self)
 469         local p = { }
 470         local _, v
 471         for _, v in ipairs(_protocols) do
 472                 p[#p+1] = v("__dummy__")
 473         end
 474         return p
 475 end
 476
 477 function register_protocol(self, protoname)
 478         local proto = utl.class(protocol)
 479
 480         function proto.__init__(self, name)
 481                 self.sid = name
 482         end
 483
 484         function proto.proto(self)
 485                 return protoname
 486         end
 487
 488         _protocols[#_protocols+1] = proto
 489         _protocols[protoname]     = proto
 490
 491         return proto
 492 end
 493
 494 function register_pattern_virtual(self, pat)
 495         IFACE_PATTERNS_VIRTUAL[#IFACE_PATTERNS_VIRTUAL+1] = pat
 496 end
 497
 498
 499 function has_ipv6(self)
 500         return nfs.access("/proc/net/ipv6_route")
 501 end
 502
 503 function add_network(self, n, options)
 504         local oldnet = self:get_network(n)
 505         if n and #n > 0 and n:match("^[a-zA-Z0-9_]+$") and not oldnet then
 506                 if _uci:section("network", "interface", n, options) then
 507                         return network(n)
 508                 end
 509         elseif oldnet and oldnet:is_empty() then
 510                 if options then
 511                         local k, v
 512                         for k, v in pairs(options) do
 513                                 oldnet:set(k, v)
 514                         end
 515                 end
 516                 return oldnet
 517         end
 518 end
 519
 520 function get_network(self, n)
 521         if n and _uci:get("network", n) == "interface" then
 522                 return network(n)
 523         end
 524 end
 525
 526 function get_networks(self)
 527         local nets = { }
 528         local nls = { }
 529
 530         _uci:foreach("network", "interface",
 531                 function(s)
 532                         nls[s['.name']] = network(s['.name'])
 533                 end)
 534
 535         local n
 536         for n in utl.kspairs(nls) do
 537                 nets[#nets+1] = nls[n]
 538         end
 539
 540         return nets
 541 end
 542
 543 function del_network(self, n)
 544         local r = _uci:delete("network", n)
 545         if r then
 546                 _uci:delete_all("network", "alias",
 547                         function(s) return (s.interface == n) end)
 548
 549                 _uci:delete_all("network", "route",
 550                         function(s) return (s.interface == n) end)
 551
 552                 _uci:delete_all("network", "route6",
 553                         function(s) return (s.interface == n) end)
 554
 555                 _uci:foreach("wireless", "wifi-iface",
 556                         function(s)
 557                                 local net
 558                                 local rest = { }
 559                                 for net in utl.imatch(s.network) do
 560                                         if net ~= n then
 561                                                 rest[#rest+1] = net
 562                                         end
 563                                 end
 564                                 if #rest > 0 then
 565                                         _uci:set("wireless", s['.name'], "network",
 566                                                       table.concat(rest, " "))
 567                                 else
 568                                         _uci:delete("wireless", s['.name'], "network")
 569                                 end
 570                         end)
 571         end
 572         return r
 573 end
 574
 575 function rename_network(self, old, new)
 576         local r
 577         if new and #new > 0 and new:match("^[a-zA-Z0-9_]+$") and not self:get_network(new) then
 578                 r = _uci:section("network", "interface", new, _uci:get_all("network", old))
 579
 580                 if r then
 581                         _uci:foreach("network", "alias",
 582                                 function(s)
 583                                         if s.interface == old then
 584                                                 _uci:set("network", s['.name'], "interface", new)
 585                                         end
 586                                 end)
 587
 588                         _uci:foreach("network", "route",
 589                                 function(s)
 590                                         if s.interface == old then
 591                                                 _uci:set("network", s['.name'], "interface", new)
 592                                         end
 593                                 end)
 594
 595                         _uci:foreach("network", "route6",
 596                                 function(s)
 597                                         if s.interface == old then
 598                                                 _uci:set("network", s['.name'], "interface", new)
 599                                         end
 600                                 end)
 601
 602                         _uci:foreach("wireless", "wifi-iface",
 603                                 function(s)
 604                                         local net
 605                                         local list = { }
 606                                         for net in utl.imatch(s.network) do
 607                                                 if net == old then
 608                                                         list[#list+1] = new
 609                                                 else
 610                                                         list[#list+1] = net
 611                                                 end
 612                                         end
 613                                         if #list > 0 then
 614                                                 _uci:set("wireless", s['.name'], "network",
 615                                                               table.concat(list, " "))
 616                                         end
 617                                 end)
 618
 619                         _uci:delete("network", old)
 620                 end
 621         end
 622         return r or false
 623 end
 624
 625 function get_interface(self, i)
 626         if _interfaces[i] or _wifi_iface(i) then
 627                 return interface(i)
 628         else
 629                 local netid = _wifi_netid_by_netname(i)
 630                 return netid and interface(netid)
 631         end
 632 end
 633
 634 function get_interfaces(self)
 635         local iface
 636         local ifaces = { }
 637         local nfs = { }
 638
 639         -- find normal interfaces
 640         _uci:foreach("network", "interface",
 641                 function(s)
 642                         for iface in utl.imatch(s.ifname) do
 643                                 if not _iface_ignore(iface) and not _iface_virtual(iface) and not _wifi_iface(iface) then
 644                                         nfs[iface] = interface(iface)
 645                                 end
 646                         end
 647                 end)
 648
 649         for iface in utl.kspairs(_interfaces) do
 650                 if not (nfs[iface] or _iface_ignore(iface) or _iface_virtual(iface) or _wifi_iface(iface)) then
 651                         nfs[iface] = interface(iface)
 652                 end
 653         end
 654
 655         -- find vlan interfaces
 656         _uci:foreach("network", "switch_vlan",
 657                 function(s)
 658                         if type(s.ports) ~= "string" or
 659                            type(s.device) ~= "string" or
 660                            type(_swtopo[s.device]) ~= "table"
 661                         then
 662                                 return
 663                         end
 664
 665                         local pnum, ptag
 666                         for pnum, ptag in s.ports:gmatch("(%d+)([tu]?)") do
 667                                 local netdev = _swtopo[s.device].netdevs[pnum]
 668                                 if netdev then
 669                                         if not nfs[netdev] then
 670                                                 nfs[netdev] = interface(netdev)
 671                                         end
 672                                         _switch[netdev] = true
 673
 674                                         if ptag == "t" then
 675                                                 local vid = tonumber(s.vid or s.vlan)
 676                                                 if vid ~= nil and vid >= 0 and vid <= 4095 then
 677                                                         local iface = "%s.%d" %{ netdev, vid }
 678                                                         if not nfs[iface] then
 679                                                                 nfs[iface] = interface(iface)
 680                                                         end
 681                                                         _switch[iface] = true
 682                                                 end
 683                                         end
 684                                 end
 685                         end
 686                 end)
 687
 688         for iface in utl.kspairs(nfs) do
 689                 ifaces[#ifaces+1] = nfs[iface]
 690         end
 691
 692         -- find wifi interfaces
 693         local num = { }
 694         local wfs = { }
 695         _uci:foreach("wireless", "wifi-iface",
 696                 function(s)
 697                         if s.device then
 698                                 num[s.device] = num[s.device] and num[s.device] + 1 or 1
 699                                 local i = "%s.network%d" %{ s.device, num[s.device] }
 700                                 wfs[i] = interface(i)
 701                         end
 702                 end)
 703
 704         for iface in utl.kspairs(wfs) do
 705                 ifaces[#ifaces+1] = wfs[iface]
 706         end
 707
 708         return ifaces
 709 end
 710
 711 function ignore_interface(self, x)
 712         return _iface_ignore(x)
 713 end
 714
 715 function get_wifidev(self, dev)
 716         if _uci:get("wireless", dev) == "wifi-device" then
 717                 return wifidev(dev)
 718         end
 719 end
 720
 721 function get_wifidevs(self)
 722         local devs = { }
 723         local wfd  = { }
 724
 725         _uci:foreach("wireless", "wifi-device",
 726                 function(s) wfd[#wfd+1] = s['.name'] end)
 727
 728         local dev
 729         for _, dev in utl.vspairs(wfd) do
 730                 devs[#devs+1] = wifidev(dev)
 731         end
 732
 733         return devs
 734 end
 735
 736 function get_wifinet(self, net)
 737         local wnet = _wifi_sid_by_ifname(net)
 738         if wnet then
 739                 return wifinet(wnet)
 740         end
 741 end
 742
 743 function add_wifinet(self, net, options)
 744         if type(options) == "table" and options.device and
 745                 _uci:get("wireless", options.device) == "wifi-device"
 746         then
 747                 local wnet = _uci:section("wireless", "wifi-iface", nil, options)
 748                 return wifinet(wnet)
 749         end
 750 end
 751
 752 function del_wifinet(self, net)
 753         local wnet = _wifi_sid_by_ifname(net)
 754         if wnet then
 755                 _uci:delete("wireless", wnet)
 756                 return true
 757         end
 758         return false
 759 end
 760
 761 function get_status_by_route(self, addr, mask)
 762         local _, object
 763         for _, object in ipairs(utl.ubus()) do
 764                 local net = object:match("^network%.interface%.(.+)")
 765                 if net then
 766                         local s = utl.ubus(object, "status", {})
 767                         if s and s.route then
 768                                 local rt
 769                                 for _, rt in ipairs(s.route) do
 770                                         if not rt.table and rt.target == addr and rt.mask == mask then
 771                                                 return net, s
 772                                         end
 773                                 end
 774                         end
 775                 end
 776         end
 777 end
 778
 779 function get_status_by_address(self, addr)
 780         local _, object
 781         for _, object in ipairs(utl.ubus()) do
 782                 local net = object:match("^network%.interface%.(.+)")
 783                 if net then
 784                         local s = utl.ubus(object, "status", {})
 785                         if s and s['ipv4-address'] then
 786                                 local a
 787                                 for _, a in ipairs(s['ipv4-address']) do
 788                                         if a.address == addr then
 789                                                 return net, s
 790                                         end
 791                                 end
 792                         end
 793                         if s and s['ipv6-address'] then
 794                                 local a
 795                                 for _, a in ipairs(s['ipv6-address']) do
 796                                         if a.address == addr then
 797                                                 return net, s
 798                                         end
 799                                 end
 800                         end
 801                 end
 802         end
 803 end
 804
 805 function get_wannet(self)
 806         local net, stat = self:get_status_by_route("0.0.0.0", 0)
 807         return net and network(net, stat.proto)
 808 end
 809
 810 function get_wandev(self)
 811         local _, stat = self:get_status_by_route("0.0.0.0", 0)
 812         return stat and interface(stat.l3_device or stat.device)
 813 end
 814
 815 function get_wan6net(self)
 816         local net, stat = self:get_status_by_route("::", 0)
 817         return net and network(net, stat.proto)
 818 end
 819
 820 function get_wan6dev(self)
 821         local _, stat = self:get_status_by_route("::", 0)
 822         return stat and interface(stat.l3_device or stat.device)
 823 end
 824
 825 function get_switch_topologies(self)
 826         return _swtopo
 827 end
 828
 829
 830 function network(name, proto)
 831         if name then
 832                 local p = proto or _uci:get("network", name, "proto")
 833                 local c = p and _protocols[p] or protocol
 834                 return c(name)
 835         end
 836 end
 837
 838 function protocol.__init__(self, name)
 839         self.sid = name
 840 end
 841
 842 function protocol._get(self, opt)
 843         local v = _uci:get("network", self.sid, opt)
 844         if type(v) == "table" then
 845                 return table.concat(v, " ")
 846         end
 847         return v or ""
 848 end
 849
 850 function protocol._ubus(self, field)
 851         if not _ubusnetcache[self.sid] then
 852                 _ubusnetcache[self.sid] = utl.ubus("network.interface.%s" % self.sid,
 853                                                    "status", { })
 854         end
 855         if _ubusnetcache[self.sid] and field then
 856                 return _ubusnetcache[self.sid][field]
 857         end
 858         return _ubusnetcache[self.sid]
 859 end
 860
 861 function protocol.get(self, opt)
 862         return _get("network", self.sid, opt)
 863 end
 864
 865 function protocol.set(self, opt, val)
 866         return _set("network", self.sid, opt, val)
 867 end
 868
 869 function protocol.ifname(self)
 870         local ifname
 871         if self:is_floating() then
 872                 ifname = self:_ubus("l3_device")
 873         else
 874                 ifname = self:_ubus("device")
 875         end
 876         if not ifname then
 877                 ifname = _wifi_netid_by_netname(self.sid)
 878         end
 879         return ifname
 880 end
 881
 882 function protocol.proto(self)
 883         return "none"
 884 end
 885
 886 function protocol.get_i18n(self)
 887         local p = self:proto()
 888         if p == "none" then
 889                 return lng.translate("Unmanaged")
 890         elseif p == "static" then
 891                 return lng.translate("Static address")
 892         elseif p == "dhcp" then
 893                 return lng.translate("DHCP client")
 894         else
 895                 return lng.translate("Unknown")
 896         end
 897 end
 898
 899 function protocol.type(self)
 900         return self:_get("type")
 901 end
 902
 903 function protocol.name(self)
 904         return self.sid
 905 end
 906
 907 function protocol.uptime(self)
 908         return self:_ubus("uptime") or 0
 909 end
 910
 911 function protocol.expires(self)
 912         local u = self:_ubus("uptime")
 913         local d = self:_ubus("data")
 914
 915         if type(u) == "number" and type(d) == "table" and
 916            type(d.leasetime) == "number"
 917         then
 918                 local r = (d.leasetime - (u % d.leasetime))
 919                 return r > 0 and r or 0
 920         end
 921
 922         return -1
 923 end
 924
 925 function protocol.metric(self)
 926         return self:_ubus("metric") or 0
 927 end
 928
 929 function protocol.ipaddr(self)
 930         local addrs = self:_ubus("ipv4-address")
 931         return addrs and #addrs > 0 and addrs[1].address
 932 end
 933
 934 function protocol.ipaddrs(self)
 935         local addrs = self:_ubus("ipv4-address")
 936         local rv = { }
 937
 938         if type(addrs) == "table" then
 939                 local n, addr
 940                 for n, addr in ipairs(addrs) do
 941                         rv[#rv+1] = "%s/%d" %{ addr.address, addr.mask }
 942                 end
 943         end
 944
 945         return rv
 946 end
 947
 948 function protocol.netmask(self)
 949         local addrs = self:_ubus("ipv4-address")
 950         return addrs and #addrs > 0 and
 951                 ipc.IPv4("0.0.0.0/%d" % addrs[1].mask):mask():string()
 952 end
 953
 954 function protocol.gwaddr(self)
 955         local _, route
 956         for _, route in ipairs(self:_ubus("route") or { }) do
 957                 if route.target == "0.0.0.0" and route.mask == 0 then
 958                         return route.nexthop
 959                 end
 960         end
 961 end
 962
 963 function protocol.dnsaddrs(self)
 964         local dns = { }
 965         local _, addr
 966         for _, addr in ipairs(self:_ubus("dns-server") or { }) do
 967                 if not addr:match(":") then
 968                         dns[#dns+1] = addr
 969                 end
 970         end
 971         return dns
 972 end
 973
 974 function protocol.ip6addr(self)
 975         local addrs = self:_ubus("ipv6-address")
 976         if addrs and #addrs > 0 then
 977                 return "%s/%d" %{ addrs[1].address, addrs[1].mask }
 978         else
 979                 addrs = self:_ubus("ipv6-prefix-assignment")
 980                 if addrs and #addrs > 0 then
 981                         return "%s/%d" %{ addrs[1].address, addrs[1].mask }
 982                 end
 983         end
 984 end
 985
 986 function protocol.ip6addrs(self)
 987         local addrs = self:_ubus("ipv6-address")
 988         local rv = { }
 989         local n, addr
 990
 991         if type(addrs) == "table" then
 992                 for n, addr in ipairs(addrs) do
 993                         rv[#rv+1] = "%s/%d" %{ addr.address, addr.mask }
 994                 end
 995         end
 996
 997         addrs = self:_ubus("ipv6-prefix-assignment")
 998
 999         if type(addrs) == "table" then
1000                 for n, addr in ipairs(addrs) do
1001                         rv[#rv+1] = "%s1/%d" %{ addr.address, addr.mask }
1002                 end
1003         end
1004
1005         return rv
1006 end
1007
1008 function protocol.gw6addr(self)
1009         local _, route
1010         for _, route in ipairs(self:_ubus("route") or { }) do
1011                 if route.target == "::" and route.mask == 0 then
1012                         return ipc.IPv6(route.nexthop):string()
1013                 end
1014         end
1015 end
1016
1017 function protocol.dns6addrs(self)
1018         local dns = { }
1019         local _, addr
1020         for _, addr in ipairs(self:_ubus("dns-server") or { }) do
1021                 if addr:match(":") then
1022                         dns[#dns+1] = addr
1023                 end
1024         end
1025         return dns
1026 end
1027
1028 function protocol.ip6prefix(self)
1029         local prefix = self:_ubus("ipv6-prefix")
1030         if prefix and #prefix > 0 then
1031                 return "%s/%d" %{ prefix[1].address, prefix[1].mask }
1032         end
1033 end
1034
1035 function protocol.is_bridge(self)
1036         return (not self:is_virtual() and self:type() == "bridge")
1037 end
1038
1039 function protocol.opkg_package(self)
1040         return nil
1041 end
1042
1043 function protocol.is_installed(self)
1044         return true
1045 end
1046
1047 function protocol.is_virtual(self)
1048         return false
1049 end
1050
1051 function protocol.is_floating(self)
1052         return false
1053 end
1054
1055 function protocol.is_empty(self)
1056         if self:is_floating() then
1057                 return false
1058         else
1059                 local empty = true
1060
1061                 if (self:_get("ifname") or ""):match("%S+") then
1062                         empty = false
1063                 end
1064
1065                 if empty and _wifi_netid_by_netname(self.sid) then
1066                         empty = false
1067                 end
1068
1069                 return empty
1070         end
1071 end
1072
1073 function protocol.add_interface(self, ifname)
1074         ifname = _M:ifnameof(ifname)
1075         if ifname and not self:is_floating() then
1076                 -- if its a wifi interface, change its network option
1077                 local wif = _wifi_sid_by_ifname(ifname)
1078                 if wif then
1079                         _append("wireless", wif, "network", self.sid)
1080
1081                 -- add iface to our iface list
1082                 else
1083                         _append("network", self.sid, "ifname", ifname)
1084                 end
1085         end
1086 end
1087
1088 function protocol.del_interface(self, ifname)
1089         ifname = _M:ifnameof(ifname)
1090         if ifname and not self:is_floating() then
1091                 -- if its a wireless interface, clear its network option
1092                 local wif = _wifi_sid_by_ifname(ifname)
1093                 if wif then _filter("wireless", wif, "network", self.sid) end
1094
1095                 -- remove the interface
1096                 _filter("network", self.sid, "ifname", ifname)
1097         end
1098 end
1099
1100 function protocol.get_interface(self)
1101         if self:is_virtual() then
1102                 _tunnel[self:proto() .. "-" .. self.sid] = true
1103                 return interface(self:proto() .. "-" .. self.sid, self)
1104         elseif self:is_bridge() then
1105                 _bridge["br-" .. self.sid] = true
1106                 return interface("br-" .. self.sid, self)
1107         else
1108                 local ifn = nil
1109                 local num = { }
1110                 for ifn in utl.imatch(_uci:get("network", self.sid, "ifname")) do
1111                         ifn = ifn:match("^[^:/]+")
1112                         return ifn and interface(ifn, self)
1113                 end
1114                 ifn = _wifi_netid_by_netname(self.sid)
1115                 return ifn and interface(ifn, self)
1116         end
1117 end
1118
1119 function protocol.get_interfaces(self)
1120         if self:is_bridge() or (self:is_virtual() and not self:is_floating()) then
1121                 local ifaces = { }
1122
1123                 local ifn
1124                 local nfs = { }
1125                 for ifn in utl.imatch(self:get("ifname")) do
1126                         ifn = ifn:match("^[^:/]+")
1127                         nfs[ifn] = interface(ifn, self)
1128                 end
1129
1130                 for ifn in utl.kspairs(nfs) do
1131                         ifaces[#ifaces+1] = nfs[ifn]
1132                 end
1133
1134                 local wfs = { }
1135                 _uci:foreach("wireless", "wifi-iface",
1136                         function(s)
1137                                 if s.device then
1138                                         local net
1139                                         for net in utl.imatch(s.network) do
1140                                                 if net == self.sid then
1141                                                         ifn = _wifi_netid_by_sid(s[".name"])
1142                                                         if ifn then
1143                                                                 wfs[ifn] = interface(ifn, self)
1144                                                         end
1145                                                 end
1146                                         end
1147                                 end
1148                         end)
1149
1150                 for ifn in utl.kspairs(wfs) do
1151                         ifaces[#ifaces+1] = wfs[ifn]
1152                 end
1153
1154                 return ifaces
1155         end
1156 end
1157
1158 function protocol.contains_interface(self, ifname)
1159         ifname = _M:ifnameof(ifname)
1160         if not ifname then
1161                 return false
1162         elseif self:is_virtual() and self:proto() .. "-" .. self.sid == ifname then
1163                 return true
1164         elseif self:is_bridge() and "br-" .. self.sid == ifname then
1165                 return true
1166         else
1167                 local ifn
1168                 for ifn in utl.imatch(self:get("ifname")) do
1169                         ifn = ifn:match("[^:]+")
1170                         if ifn == ifname then
1171                                 return true
1172                         end
1173                 end
1174
1175                 local wif = _wifi_sid_by_ifname(ifname)
1176                 if wif then
1177                         local n
1178                         for n in utl.imatch(_uci:get("wireless", wif, "network")) do
1179                                 if n == self.sid then
1180                                         return true
1181                                 end
1182                         end
1183                 end
1184         end
1185
1186         return false
1187 end
1188
1189 function protocol.adminlink(self)
1190         local stat, dsp = pcall(require, "luci.dispatcher")
1191         return stat and dsp.build_url("admin", "network", "network", self.sid)
1192 end
1193
1194
1195 interface = utl.class()
1196
1197 function interface.__init__(self, ifname, network)
1198         local wif = _wifi_sid_by_ifname(ifname)
1199         if wif then
1200                 self.wif    = wifinet(wif)
1201                 self.ifname = self.wif:ifname()
1202         end
1203
1204         self.ifname  = self.ifname or ifname
1205         self.dev     = _interfaces[self.ifname]
1206         self.network = network
1207 end
1208
1209 function interface._ubus(self, field)
1210         if not _ubusdevcache[self.ifname] then
1211                 _ubusdevcache[self.ifname] = utl.ubus("network.device", "status",
1212                                                       { name = self.ifname })
1213         end
1214         if _ubusdevcache[self.ifname] and field then
1215                 return _ubusdevcache[self.ifname][field]
1216         end
1217         return _ubusdevcache[self.ifname]
1218 end
1219
1220 function interface.name(self)
1221         return self.wif and self.wif:ifname() or self.ifname
1222 end
1223
1224 function interface.mac(self)
1225         local mac = self:_ubus("macaddr")
1226         return mac and mac:upper()
1227 end
1228
1229 function interface.ipaddrs(self)
1230         return self.dev and self.dev.ipaddrs or { }
1231 end
1232
1233 function interface.ip6addrs(self)
1234         return self.dev and self.dev.ip6addrs or { }
1235 end
1236
1237 function interface.type(self)
1238         if self.wif or _wifi_iface(self.ifname) then
1239                 return "wifi"
1240         elseif _bridge[self.ifname] then
1241                 return "bridge"
1242         elseif _tunnel[self.ifname] then
1243                 return "tunnel"
1244         elseif self.ifname:match("%.") then
1245                 return "vlan"
1246         elseif _switch[self.ifname] then
1247                 return "switch"
1248         else
1249                 return "ethernet"
1250         end
1251 end
1252
1253 function interface.shortname(self)
1254         if self.wif then
1255                 return self.wif:shortname()
1256         else
1257                 return self.ifname
1258         end
1259 end
1260
1261 function interface.get_i18n(self)
1262         if self.wif then
1263                 return "%s: %s %q" %{
1264                         lng.translate("Wireless Network"),
1265                         self.wif:active_mode(),
1266                         self.wif:active_ssid() or self.wif:active_bssid() or self.wif:id()
1267                 }
1268         else
1269                 return "%s: %q" %{ self:get_type_i18n(), self:name() }
1270         end
1271 end
1272
1273 function interface.get_type_i18n(self)
1274         local x = self:type()
1275         if x == "wifi" then
1276                 return lng.translate("Wireless Adapter")
1277         elseif x == "bridge" then
1278                 return lng.translate("Bridge")
1279         elseif x == "switch" then
1280                 return lng.translate("Ethernet Switch")
1281         elseif x == "vlan" then
1282                 if _switch[self.ifname] then
1283                         return lng.translate("Switch VLAN")
1284                 else
1285                         return lng.translate("Software VLAN")
1286                 end
1287         elseif x == "tunnel" then
1288                 return lng.translate("Tunnel Interface")
1289         else
1290                 return lng.translate("Ethernet Adapter")
1291         end
1292 end
1293
1294 function interface.adminlink(self)
1295         if self.wif then
1296                 return self.wif:adminlink()
1297         end
1298 end
1299
1300 function interface.ports(self)
1301         local members = self:_ubus("bridge-members")
1302         if members then
1303                 local _, iface
1304                 local ifaces = { }
1305                 for _, iface in ipairs(members) do
1306                         ifaces[#ifaces+1] = interface(iface)
1307                 end
1308         end
1309 end
1310
1311 function interface.bridge_id(self)
1312         if self.br then
1313                 return self.br.id
1314         else
1315                 return nil
1316         end
1317 end
1318
1319 function interface.bridge_stp(self)
1320         if self.br then
1321                 return self.br.stp
1322         else
1323                 return false
1324         end
1325 end
1326
1327 function interface.is_up(self)
1328         return self:_ubus("up") or false
1329 end
1330
1331 function interface.is_bridge(self)
1332         return (self:type() == "bridge")
1333 end
1334
1335 function interface.is_bridgeport(self)
1336         return self.dev and self.dev.bridge and true or false
1337 end
1338
1339 function interface.tx_bytes(self)
1340         local stat = self:_ubus("statistics")
1341         return stat and stat.tx_bytes or 0
1342 end
1343
1344 function interface.rx_bytes(self)
1345         local stat = self:_ubus("statistics")
1346         return stat and stat.rx_bytes or 0
1347 end
1348
1349 function interface.tx_packets(self)
1350         local stat = self:_ubus("statistics")
1351         return stat and stat.tx_packets or 0
1352 end
1353
1354 function interface.rx_packets(self)
1355         local stat = self:_ubus("statistics")
1356         return stat and stat.rx_packets or 0
1357 end
1358
1359 function interface.get_network(self)
1360         return self:get_networks()[1]
1361 end
1362
1363 function interface.get_networks(self)
1364         if not self.networks then
1365                 local nets = { }
1366                 local _, net
1367                 for _, net in ipairs(_M:get_networks()) do
1368                         if net:contains_interface(self.ifname) or
1369                            net:ifname() == self.ifname
1370                         then
1371                                 nets[#nets+1] = net
1372                         end
1373                 end
1374                 table.sort(nets, function(a, b) return a.sid < b.sid end)
1375                 self.networks = nets
1376                 return nets
1377         else
1378                 return self.networks
1379         end
1380 end
1381
1382 function interface.get_wifinet(self)
1383         return self.wif
1384 end
1385
1386
1387 wifidev = utl.class()
1388
1389 function wifidev.__init__(self, name)
1390         local t, n = _uci:get("wireless", name)
1391         if t == "wifi-device" and n ~= nil then
1392                 self.sid    = n
1393                 self.iwinfo = _wifi_iwinfo_by_ifname(self.sid, true)
1394         end
1395         self.sid    = self.sid    or name
1396         self.iwinfo = self.iwinfo or { ifname = self.sid }
1397 end
1398
1399 function wifidev.get(self, opt)
1400         return _get("wireless", self.sid, opt)
1401 end
1402
1403 function wifidev.set(self, opt, val)
1404         return _set("wireless", self.sid, opt, val)
1405 end
1406
1407 function wifidev.name(self)
1408         return self.sid
1409 end
1410
1411 function wifidev.hwmodes(self)
1412         local l = self.iwinfo.hwmodelist
1413         if l and next(l) then
1414                 return l
1415         else
1416                 return { b = true, g = true }
1417         end
1418 end
1419
1420 function wifidev.get_i18n(self)
1421         local t = "Generic"
1422         if self.iwinfo.type == "wl" then
1423                 t = "Broadcom"
1424         end
1425
1426         local m = ""
1427         local l = self:hwmodes()
1428         if l.a then m = m .. "a" end
1429         if l.b then m = m .. "b" end
1430         if l.g then m = m .. "g" end
1431         if l.n then m = m .. "n" end
1432         if l.ac then m = "ac" end
1433
1434         return "%s 802.11%s Wireless Controller (%s)" %{ t, m, self:name() }
1435 end
1436
1437 function wifidev.is_up(self)
1438         if _ubuswificache[self.sid] then
1439                 return (_ubuswificache[self.sid].up == true)
1440         end
1441
1442         return false
1443 end
1444
1445 function wifidev.get_wifinet(self, net)
1446         if _uci:get("wireless", net) == "wifi-iface" then
1447                 return wifinet(net)
1448         else
1449                 local wnet = _wifi_sid_by_ifname(net)
1450                 if wnet then
1451                         return wifinet(wnet)
1452                 end
1453         end
1454 end
1455
1456 function wifidev.get_wifinets(self)
1457         local nets = { }
1458
1459         _uci:foreach("wireless", "wifi-iface",
1460                 function(s)
1461                         if s.device == self.sid then
1462                                 nets[#nets+1] = wifinet(s['.name'])
1463                         end
1464                 end)
1465
1466         return nets
1467 end
1468
1469 function wifidev.add_wifinet(self, options)
1470         options = options or { }
1471         options.device = self.sid
1472
1473         local wnet = _uci:section("wireless", "wifi-iface", nil, options)
1474         if wnet then
1475                 return wifinet(wnet, options)
1476         end
1477 end
1478
1479 function wifidev.del_wifinet(self, net)
1480         if utl.instanceof(net, wifinet) then
1481                 net = net.sid
1482         elseif _uci:get("wireless", net) ~= "wifi-iface" then
1483                 net = _wifi_sid_by_ifname(net)
1484         end
1485
1486         if net and _uci:get("wireless", net, "device") == self.sid then
1487                 _uci:delete("wireless", net)
1488                 return true
1489         end
1490
1491         return false
1492 end
1493
1494
1495 wifinet = utl.class()
1496
1497 function wifinet.__init__(self, name, data)
1498         local sid, netid, radioname, radiostate, netstate
1499
1500         -- lookup state by radio#.network# notation
1501         sid = _wifi_sid_by_netid(name)
1502         if sid then
1503                 netid = name
1504                 radioname, radiostate, netstate = _wifi_state_by_sid(sid)
1505         else
1506                 -- lookup state by ifname (e.g. wlan0)
1507                 radioname, radiostate, netstate = _wifi_state_by_ifname(name)
1508                 if radioname and radiostate and netstate then
1509                         sid = netstate.section
1510                         netid = _wifi_netid_by_sid(sid)
1511                 else
1512                         -- lookup state by uci section id (e.g. cfg053579)
1513                         radioname, radiostate, netstate = _wifi_state_by_sid(name)
1514                         if radioname and radiostate and netstate then
1515                                 sid = name
1516                                 netid = _wifi_netid_by_sid(sid)
1517                         else
1518                                 -- no state available, try to resolve from uci
1519                                 netid, radioname = _wifi_netid_by_sid(name)
1520                                 if netid and radioname then
1521                                         sid = name
1522                                 end
1523                         end
1524                 end
1525         end
1526
1527         local iwinfo =
1528                 (netstate and _wifi_iwinfo_by_ifname(netstate.ifname)) or
1529                 (radioname and _wifi_iwinfo_by_ifname(radioname)) or
1530                 { ifname = (netid or sid or name) }
1531
1532         self.sid       = sid or name
1533         self.wdev      = iwinfo.ifname
1534         self.iwinfo    = iwinfo
1535         self.netid     = netid
1536         self._ubusdata = {
1537                 radio = radioname,
1538                 dev   = radiostate,
1539                 net   = netstate
1540         }
1541 end
1542
1543 function wifinet.ubus(self, ...)
1544         local n, v = self._ubusdata
1545         for n = 1, select('#', ...) do
1546                 if type(v) == "table" then
1547                         v = v[select(n, ...)]
1548                 else
1549                         return nil
1550                 end
1551         end
1552         return v
1553 end
1554
1555 function wifinet.get(self, opt)
1556         return _get("wireless", self.sid, opt)
1557 end
1558
1559 function wifinet.set(self, opt, val)
1560         return _set("wireless", self.sid, opt, val)
1561 end
1562
1563 function wifinet.mode(self)
1564         return self:ubus("net", "config", "mode") or self:get("mode") or "ap"
1565 end
1566
1567 function wifinet.ssid(self)
1568         return self:ubus("net", "config", "ssid") or self:get("ssid")
1569 end
1570
1571 function wifinet.bssid(self)
1572         return self:ubus("net", "config", "bssid") or self:get("bssid")
1573 end
1574
1575 function wifinet.network(self)
1576         local net, networks = nil, { }
1577         for net in utl.imatch(self:ubus("net", "config", "network") or self:get("network")) do
1578                 networks[#networks+1] = net
1579         end
1580         return networks
1581 end
1582
1583 function wifinet.id(self)
1584         return self.netid
1585 end
1586
1587 function wifinet.name(self)
1588         return self.sid
1589 end
1590
1591 function wifinet.ifname(self)
1592         local ifname = self:ubus("net", "ifname") or self.iwinfo.ifname
1593         if not ifname or ifname:match("^wifi%d") or ifname:match("^radio%d") then
1594                 ifname = self.wdev
1595         end
1596         return ifname
1597 end
1598
1599 function wifinet.get_device(self)
1600         local dev = self:ubus("radio") or self:get("device")
1601         return dev and wifidev(dev) or nil
1602 end
1603
1604 function wifinet.is_up(self)
1605         local ifc = self:get_interface()
1606         return (ifc and ifc:is_up() or false)
1607 end
1608
1609 function wifinet.active_mode(self)
1610         local m = self.iwinfo.mode or self:ubus("net", "config", "mode") or self:get("mode") or "ap"
1611
1612         if     m == "ap"      then m = "Master"
1613         elseif m == "sta"     then m = "Client"
1614         elseif m == "adhoc"   then m = "Ad-Hoc"
1615         elseif m == "mesh"    then m = "Mesh"
1616         elseif m == "monitor" then m = "Monitor"
1617         end
1618
1619         return m
1620 end
1621
1622 function wifinet.active_mode_i18n(self)
1623         return lng.translate(self:active_mode())
1624 end
1625
1626 function wifinet.active_ssid(self)
1627         return self.iwinfo.ssid or self:ubus("net", "config", "ssid") or self:get("ssid")
1628 end
1629
1630 function wifinet.active_bssid(self)
1631         return self.iwinfo.bssid or self:ubus("net", "config", "bssid") or self:get("bssid")
1632 end
1633
1634 function wifinet.active_encryption(self)
1635         local enc = self.iwinfo and self.iwinfo.encryption
1636         return enc and enc.description or "-"
1637 end
1638
1639 function wifinet.assoclist(self)
1640         return self.iwinfo.assoclist or { }
1641 end
1642
1643 function wifinet.frequency(self)
1644         local freq = self.iwinfo.frequency
1645         if freq and freq > 0 then
1646                 return "%.03f" % (freq / 1000)
1647         end
1648 end
1649
1650 function wifinet.bitrate(self)
1651         local rate = self.iwinfo.bitrate
1652         if rate and rate > 0 then
1653                 return (rate / 1000)
1654         end
1655 end
1656
1657 function wifinet.channel(self)
1658         return self.iwinfo.channel or self:ubus("dev", "config", "channel") or
1659                 tonumber(self:get("channel"))
1660 end
1661
1662 function wifinet.signal(self)
1663         return self.iwinfo.signal or 0
1664 end
1665
1666 function wifinet.noise(self)
1667         return self.iwinfo.noise or 0
1668 end
1669
1670 function wifinet.country(self)
1671         return self.iwinfo.country or self:ubus("dev", "config", "country") or "00"
1672 end
1673
1674 function wifinet.txpower(self)
1675         local pwr = (self.iwinfo.txpower or 0)
1676         return pwr + self:txpower_offset()
1677 end
1678
1679 function wifinet.txpower_offset(self)
1680         return self.iwinfo.txpower_offset or 0
1681 end
1682
1683 function wifinet.signal_level(self, s, n)
1684         if self:active_bssid() ~= "00:00:00:00:00:00" then
1685                 local signal = s or self:signal()
1686                 local noise  = n or self:noise()
1687
1688                 if signal < 0 and noise < 0 then
1689                         local snr = -1 * (noise - signal)
1690                         return math.floor(snr / 5)
1691                 else
1692                         return 0
1693                 end
1694         else
1695                 return -1
1696         end
1697 end
1698
1699 function wifinet.signal_percent(self)
1700         local qc = self.iwinfo.quality or 0
1701         local qm = self.iwinfo.quality_max or 0
1702
1703         if qc > 0 and qm > 0 then
1704                 return math.floor((100 / qm) * qc)
1705         else
1706                 return 0
1707         end
1708 end
1709
1710 function wifinet.shortname(self)
1711         return "%s %q" %{
1712                 lng.translate(self:active_mode()),
1713                 self:active_ssid() or self:active_bssid() or self:id()
1714         }
1715 end
1716
1717 function wifinet.get_i18n(self)
1718         return "%s: %s %q (%s)" %{
1719                 lng.translate("Wireless Network"),
1720                 lng.translate(self:active_mode()),
1721                 self:active_ssid() or self:active_bssid() or self:id(),
1722                 self:ifname()
1723         }
1724 end
1725
1726 function wifinet.adminlink(self)
1727         local stat, dsp = pcall(require, "luci.dispatcher")
1728         return dsp and dsp.build_url("admin", "network", "wireless", self.netid)
1729 end
1730
1731 function wifinet.get_network(self)
1732         return self:get_networks()[1]
1733 end
1734
1735 function wifinet.get_networks(self)
1736         local nets = { }
1737         local net
1738         for net in utl.imatch(self:ubus("net", "config", "network") or self:get("network")) do
1739                 if _uci:get("network", net) == "interface" then
1740                         nets[#nets+1] = network(net)
1741                 end
1742         end
1743         table.sort(nets, function(a, b) return a.sid < b.sid end)
1744         return nets
1745 end
1746
1747 function wifinet.get_interface(self)
1748         return interface(self:ifname())
1749 end
1750
1751
1752 -- setup base protocols
1753 _M:register_protocol("static")
1754 _M:register_protocol("dhcp")
1755 _M:register_protocol("none")
1756
1757 -- load protocol extensions
1758 local exts = nfs.dir(utl.libpath() .. "/model/network")
1759 if exts then
1760         local ext
1761         for ext in exts do
1762                 if ext:match("%.lua$") then
1763                         require("luci.model.network." .. ext:gsub("%.lua$", ""))
1764                 end
1765         end
1766 end