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("luci", "ifstate",
 547                         function(s) return (s.interface == n) end)
 548
 549                 _uci:delete_all("network", "alias",
 550                         function(s) return (s.interface == n) end)
 551
 552                 _uci:delete_all("network", "route",
 553                         function(s) return (s.interface == n) end)
 554
 555                 _uci:delete_all("network", "route6",
 556                         function(s) return (s.interface == n) end)
 557
 558                 _uci:foreach("wireless", "wifi-iface",
 559                         function(s)
 560                                 local net
 561                                 local rest = { }
 562                                 for net in utl.imatch(s.network) do
 563                                         if net ~= n then
 564                                                 rest[#rest+1] = net
 565                                         end
 566                                 end
 567                                 if #rest > 0 then
 568                                         _uci:set("wireless", s['.name'], "network",
 569                                                       table.concat(rest, " "))
 570                                 else
 571                                         _uci:delete("wireless", s['.name'], "network")
 572                                 end
 573                         end)
 574         end
 575         return r
 576 end
 577
 578 function rename_network(self, old, new)
 579         local r
 580         if new and #new > 0 and new:match("^[a-zA-Z0-9_]+$") and not self:get_network(new) then
 581                 r = _uci:section("network", "interface", new, _uci:get_all("network", old))
 582
 583                 if r then
 584                         _uci:foreach("network", "alias",
 585                                 function(s)
 586                                         if s.interface == old then
 587                                                 _uci:set("network", s['.name'], "interface", new)
 588                                         end
 589                                 end)
 590
 591                         _uci:foreach("network", "route",
 592                                 function(s)
 593                                         if s.interface == old then
 594                                                 _uci:set("network", s['.name'], "interface", new)
 595                                         end
 596                                 end)
 597
 598                         _uci:foreach("network", "route6",
 599                                 function(s)
 600                                         if s.interface == old then
 601                                                 _uci:set("network", s['.name'], "interface", new)
 602                                         end
 603                                 end)
 604
 605                         _uci:foreach("wireless", "wifi-iface",
 606                                 function(s)
 607                                         local net
 608                                         local list = { }
 609                                         for net in utl.imatch(s.network) do
 610                                                 if net == old then
 611                                                         list[#list+1] = new
 612                                                 else
 613                                                         list[#list+1] = net
 614                                                 end
 615                                         end
 616                                         if #list > 0 then
 617                                                 _uci:set("wireless", s['.name'], "network",
 618                                                               table.concat(list, " "))
 619                                         end
 620                                 end)
 621
 622                         _uci:delete("network", old)
 623                 end
 624         end
 625         return r or false
 626 end
 627
 628 function get_interface(self, i)
 629         if _interfaces[i] or _wifi_iface(i) then
 630                 return interface(i)
 631         else
 632                 local netid = _wifi_netid_by_netname(i)
 633                 return netid and interface(netid)
 634         end
 635 end
 636
 637 function get_interfaces(self)
 638         local iface
 639         local ifaces = { }
 640         local nfs = { }
 641
 642         -- find normal interfaces
 643         _uci:foreach("network", "interface",
 644                 function(s)
 645                         for iface in utl.imatch(s.ifname) do
 646                                 if not _iface_ignore(iface) and not _iface_virtual(iface) and not _wifi_iface(iface) then
 647                                         nfs[iface] = interface(iface)
 648                                 end
 649                         end
 650                 end)
 651
 652         for iface in utl.kspairs(_interfaces) do
 653                 if not (nfs[iface] or _iface_ignore(iface) or _iface_virtual(iface) or _wifi_iface(iface)) then
 654                         nfs[iface] = interface(iface)
 655                 end
 656         end
 657
 658         -- find vlan interfaces
 659         _uci:foreach("network", "switch_vlan",
 660                 function(s)
 661                         if type(s.ports) ~= "string" or
 662                            type(s.device) ~= "string" or
 663                            type(_swtopo[s.device]) ~= "table"
 664                         then
 665                                 return
 666                         end
 667
 668                         local pnum, ptag
 669                         for pnum, ptag in s.ports:gmatch("(%d+)([tu]?)") do
 670                                 local netdev = _swtopo[s.device].netdevs[pnum]
 671                                 if netdev then
 672                                         if not nfs[netdev] then
 673                                                 nfs[netdev] = interface(netdev)
 674                                         end
 675                                         _switch[netdev] = true
 676
 677                                         if ptag == "t" then
 678                                                 local vid = tonumber(s.vid or s.vlan)
 679                                                 if vid ~= nil and vid >= 0 and vid <= 4095 then
 680                                                         local iface = "%s.%d" %{ netdev, vid }
 681                                                         if not nfs[iface] then
 682                                                                 nfs[iface] = interface(iface)
 683                                                         end
 684                                                         _switch[iface] = true
 685                                                 end
 686                                         end
 687                                 end
 688                         end
 689                 end)
 690
 691         for iface in utl.kspairs(nfs) do
 692                 ifaces[#ifaces+1] = nfs[iface]
 693         end
 694
 695         -- find wifi interfaces
 696         local num = { }
 697         local wfs = { }
 698         _uci:foreach("wireless", "wifi-iface",
 699                 function(s)
 700                         if s.device then
 701                                 num[s.device] = num[s.device] and num[s.device] + 1 or 1
 702                                 local i = "%s.network%d" %{ s.device, num[s.device] }
 703                                 wfs[i] = interface(i)
 704                         end
 705                 end)
 706
 707         for iface in utl.kspairs(wfs) do
 708                 ifaces[#ifaces+1] = wfs[iface]
 709         end
 710
 711         return ifaces
 712 end
 713
 714 function ignore_interface(self, x)
 715         return _iface_ignore(x)
 716 end
 717
 718 function get_wifidev(self, dev)
 719         if _uci:get("wireless", dev) == "wifi-device" then
 720                 return wifidev(dev)
 721         end
 722 end
 723
 724 function get_wifidevs(self)
 725         local devs = { }
 726         local wfd  = { }
 727
 728         _uci:foreach("wireless", "wifi-device",
 729                 function(s) wfd[#wfd+1] = s['.name'] end)
 730
 731         local dev
 732         for _, dev in utl.vspairs(wfd) do
 733                 devs[#devs+1] = wifidev(dev)
 734         end
 735
 736         return devs
 737 end
 738
 739 function get_wifinet(self, net)
 740         local wnet = _wifi_sid_by_ifname(net)
 741         if wnet then
 742                 return wifinet(wnet)
 743         end
 744 end
 745
 746 function add_wifinet(self, net, options)
 747         if type(options) == "table" and options.device and
 748                 _uci:get("wireless", options.device) == "wifi-device"
 749         then
 750                 local wnet = _uci:section("wireless", "wifi-iface", nil, options)
 751                 return wifinet(wnet)
 752         end
 753 end
 754
 755 function del_wifinet(self, net)
 756         local wnet = _wifi_sid_by_ifname(net)
 757         if wnet then
 758                 _uci:delete("wireless", wnet)
 759                 return true
 760         end
 761         return false
 762 end
 763
 764 function get_status_by_route(self, addr, mask)
 765         local _, object
 766         for _, object in ipairs(utl.ubus()) do
 767                 local net = object:match("^network%.interface%.(.+)")
 768                 if net then
 769                         local s = utl.ubus(object, "status", {})
 770                         if s and s.route then
 771                                 local rt
 772                                 for _, rt in ipairs(s.route) do
 773                                         if not rt.table and rt.target == addr and rt.mask == mask then
 774                                                 return net, s
 775                                         end
 776                                 end
 777                         end
 778                 end
 779         end
 780 end
 781
 782 function get_status_by_address(self, addr)
 783         local _, object
 784         for _, object in ipairs(utl.ubus()) do
 785                 local net = object:match("^network%.interface%.(.+)")
 786                 if net then
 787                         local s = utl.ubus(object, "status", {})
 788                         if s and s['ipv4-address'] then
 789                                 local a
 790                                 for _, a in ipairs(s['ipv4-address']) do
 791                                         if a.address == addr then
 792                                                 return net, s
 793                                         end
 794                                 end
 795                         end
 796                         if s and s['ipv6-address'] then
 797                                 local a
 798                                 for _, a in ipairs(s['ipv6-address']) do
 799                                         if a.address == addr then
 800                                                 return net, s
 801                                         end
 802                                 end
 803                         end
 804                 end
 805         end
 806 end
 807
 808 function get_wannet(self)
 809         local net, stat = self:get_status_by_route("0.0.0.0", 0)
 810         return net and network(net, stat.proto)
 811 end
 812
 813 function get_wandev(self)
 814         local _, stat = self:get_status_by_route("0.0.0.0", 0)
 815         return stat and interface(stat.l3_device or stat.device)
 816 end
 817
 818 function get_wan6net(self)
 819         local net, stat = self:get_status_by_route("::", 0)
 820         return net and network(net, stat.proto)
 821 end
 822
 823 function get_wan6dev(self)
 824         local _, stat = self:get_status_by_route("::", 0)
 825         return stat and interface(stat.l3_device or stat.device)
 826 end
 827
 828 function get_switch_topologies(self)
 829         return _swtopo
 830 end
 831
 832
 833 function network(name, proto)
 834         if name then
 835                 local p = proto or _uci:get("network", name, "proto")
 836                 local c = p and _protocols[p] or protocol
 837                 return c(name)
 838         end
 839 end
 840
 841 function protocol.__init__(self, name)
 842         self.sid = name
 843 end
 844
 845 function protocol._get(self, opt)
 846         local v = _uci:get("network", self.sid, opt)
 847         if type(v) == "table" then
 848                 return table.concat(v, " ")
 849         end
 850         return v or ""
 851 end
 852
 853 function protocol._ubus(self, field)
 854         if not _ubusnetcache[self.sid] then
 855                 _ubusnetcache[self.sid] = utl.ubus("network.interface.%s" % self.sid,
 856                                                    "status", { })
 857         end
 858         if _ubusnetcache[self.sid] and field then
 859                 return _ubusnetcache[self.sid][field]
 860         end
 861         return _ubusnetcache[self.sid]
 862 end
 863
 864 function protocol.get(self, opt)
 865         return _get("network", self.sid, opt)
 866 end
 867
 868 function protocol.set(self, opt, val)
 869         return _set("network", self.sid, opt, val)
 870 end
 871
 872 function protocol.ifname(self)
 873         local ifname
 874         if self:is_floating() then
 875                 ifname = self:_ubus("l3_device")
 876         else
 877                 ifname = self:_ubus("device")
 878         end
 879         if not ifname then
 880                 ifname = _wifi_netid_by_netname(self.sid)
 881         end
 882         return ifname
 883 end
 884
 885 function protocol.proto(self)
 886         return "none"
 887 end
 888
 889 function protocol.get_i18n(self)
 890         local p = self:proto()
 891         if p == "none" then
 892                 return lng.translate("Unmanaged")
 893         elseif p == "static" then
 894                 return lng.translate("Static address")
 895         elseif p == "dhcp" then
 896                 return lng.translate("DHCP client")
 897         else
 898                 return lng.translate("Unknown")
 899         end
 900 end
 901
 902 function protocol.type(self)
 903         return self:_get("type")
 904 end
 905
 906 function protocol.name(self)
 907         return self.sid
 908 end
 909
 910 function protocol.uptime(self)
 911         return self:_ubus("uptime") or 0
 912 end
 913
 914 function protocol.expires(self)
 915         local u = self:_ubus("uptime")
 916         local d = self:_ubus("data")
 917
 918         if type(u) == "number" and type(d) == "table" and
 919            type(d.leasetime) == "number"
 920         then
 921                 local r = (d.leasetime - (u % d.leasetime))
 922                 return r > 0 and r or 0
 923         end
 924
 925         return -1
 926 end
 927
 928 function protocol.metric(self)
 929         return self:_ubus("metric") or 0
 930 end
 931
 932 function protocol.ipaddr(self)
 933         local addrs = self:_ubus("ipv4-address")
 934         return addrs and #addrs > 0 and addrs[1].address
 935 end
 936
 937 function protocol.ipaddrs(self)
 938         local addrs = self:_ubus("ipv4-address")
 939         local rv = { }
 940
 941         if type(addrs) == "table" then
 942                 local n, addr
 943                 for n, addr in ipairs(addrs) do
 944                         rv[#rv+1] = "%s/%d" %{ addr.address, addr.mask }
 945                 end
 946         end
 947
 948         return rv
 949 end
 950
 951 function protocol.netmask(self)
 952         local addrs = self:_ubus("ipv4-address")
 953         return addrs and #addrs > 0 and
 954                 ipc.IPv4("0.0.0.0/%d" % addrs[1].mask):mask():string()
 955 end
 956
 957 function protocol.gwaddr(self)
 958         local _, route
 959         for _, route in ipairs(self:_ubus("route") or { }) do
 960                 if route.target == "0.0.0.0" and route.mask == 0 then
 961                         return route.nexthop
 962                 end
 963         end
 964 end
 965
 966 function protocol.dnsaddrs(self)
 967         local dns = { }
 968         local _, addr
 969         for _, addr in ipairs(self:_ubus("dns-server") or { }) do
 970                 if not addr:match(":") then
 971                         dns[#dns+1] = addr
 972                 end
 973         end
 974         return dns
 975 end
 976
 977 function protocol.ip6addr(self)
 978         local addrs = self:_ubus("ipv6-address")
 979         if addrs and #addrs > 0 then
 980                 return "%s/%d" %{ addrs[1].address, addrs[1].mask }
 981         else
 982                 addrs = self:_ubus("ipv6-prefix-assignment")
 983                 if addrs and #addrs > 0 then
 984                         return "%s/%d" %{ addrs[1].address, addrs[1].mask }
 985                 end
 986         end
 987 end
 988
 989 function protocol.ip6addrs(self)
 990         local addrs = self:_ubus("ipv6-address")
 991         local rv = { }
 992         local n, addr
 993
 994         if type(addrs) == "table" then
 995                 for n, addr in ipairs(addrs) do
 996                         rv[#rv+1] = "%s/%d" %{ addr.address, addr.mask }
 997                 end
 998         end
 999
1000         addrs = self:_ubus("ipv6-prefix-assignment")
1001
1002         if type(addrs) == "table" then
1003                 for n, addr in ipairs(addrs) do
1004                         if type(addr["local-address"]) == "table" then
1005                                 rv[#rv+1] = "%s/%d" %{
1006                                         addr["local-address"].address,
1007                                         addr["local-address"].mask
1008                                 }
1009                         end
1010                 end
1011         end
1012
1013         return rv
1014 end
1015
1016 function protocol.gw6addr(self)
1017         local _, route
1018         for _, route in ipairs(self:_ubus("route") or { }) do
1019                 if route.target == "::" and route.mask == 0 then
1020                         return ipc.IPv6(route.nexthop):string()
1021                 end
1022         end
1023 end
1024
1025 function protocol.dns6addrs(self)
1026         local dns = { }
1027         local _, addr
1028         for _, addr in ipairs(self:_ubus("dns-server") or { }) do
1029                 if addr:match(":") then
1030                         dns[#dns+1] = addr
1031                 end
1032         end
1033         return dns
1034 end
1035
1036 function protocol.ip6prefix(self)
1037         local prefix = self:_ubus("ipv6-prefix")
1038         if prefix and #prefix > 0 then
1039                 return "%s/%d" %{ prefix[1].address, prefix[1].mask }
1040         end
1041 end
1042
1043 function protocol.is_bridge(self)
1044         return (not self:is_virtual() and self:type() == "bridge")
1045 end
1046
1047 function protocol.opkg_package(self)
1048         return nil
1049 end
1050
1051 function protocol.is_installed(self)
1052         return true
1053 end
1054
1055 function protocol.is_virtual(self)
1056         return false
1057 end
1058
1059 function protocol.is_floating(self)
1060         return false
1061 end
1062
1063 function protocol.is_empty(self)
1064         if self:is_floating() then
1065                 return false
1066         else
1067                 local empty = true
1068
1069                 if (self:_get("ifname") or ""):match("%S+") then
1070                         empty = false
1071                 end
1072
1073                 if empty and _wifi_netid_by_netname(self.sid) then
1074                         empty = false
1075                 end
1076
1077                 return empty
1078         end
1079 end
1080
1081 function protocol.add_interface(self, ifname)
1082         ifname = _M:ifnameof(ifname)
1083         if ifname and not self:is_floating() then
1084                 -- if its a wifi interface, change its network option
1085                 local wif = _wifi_sid_by_ifname(ifname)
1086                 if wif then
1087                         _append("wireless", wif, "network", self.sid)
1088
1089                 -- add iface to our iface list
1090                 else
1091                         _append("network", self.sid, "ifname", ifname)
1092                 end
1093         end
1094 end
1095
1096 function protocol.del_interface(self, ifname)
1097         ifname = _M:ifnameof(ifname)
1098         if ifname and not self:is_floating() then
1099                 -- if its a wireless interface, clear its network option
1100                 local wif = _wifi_sid_by_ifname(ifname)
1101                 if wif then _filter("wireless", wif, "network", self.sid) end
1102
1103                 -- remove the interface
1104                 _filter("network", self.sid, "ifname", ifname)
1105         end
1106 end
1107
1108 function protocol.get_interface(self)
1109         if self:is_virtual() then
1110                 _tunnel[self:proto() .. "-" .. self.sid] = true
1111                 return interface(self:proto() .. "-" .. self.sid, self)
1112         elseif self:is_bridge() then
1113                 _bridge["br-" .. self.sid] = true
1114                 return interface("br-" .. self.sid, self)
1115         else
1116                 local ifn = nil
1117                 local num = { }
1118                 for ifn in utl.imatch(_uci:get("network", self.sid, "ifname")) do
1119                         ifn = ifn:match("^[^:/]+")
1120                         return ifn and interface(ifn, self)
1121                 end
1122                 ifn = _wifi_netid_by_netname(self.sid)
1123                 return ifn and interface(ifn, self)
1124         end
1125 end
1126
1127 function protocol.get_interfaces(self)
1128         if self:is_bridge() or (self:is_virtual() and not self:is_floating()) then
1129                 local ifaces = { }
1130
1131                 local ifn
1132                 local nfs = { }
1133                 for ifn in utl.imatch(self:get("ifname")) do
1134                         ifn = ifn:match("^[^:/]+")
1135                         nfs[ifn] = interface(ifn, self)
1136                 end
1137
1138                 for ifn in utl.kspairs(nfs) do
1139                         ifaces[#ifaces+1] = nfs[ifn]
1140                 end
1141
1142                 local wfs = { }
1143                 _uci:foreach("wireless", "wifi-iface",
1144                         function(s)
1145                                 if s.device then
1146                                         local net
1147                                         for net in utl.imatch(s.network) do
1148                                                 if net == self.sid then
1149                                                         ifn = _wifi_netid_by_sid(s[".name"])
1150                                                         if ifn then
1151                                                                 wfs[ifn] = interface(ifn, self)
1152                                                         end
1153                                                 end
1154                                         end
1155                                 end
1156                         end)
1157
1158                 for ifn in utl.kspairs(wfs) do
1159                         ifaces[#ifaces+1] = wfs[ifn]
1160                 end
1161
1162                 return ifaces
1163         end
1164 end
1165
1166 function protocol.contains_interface(self, ifname)
1167         ifname = _M:ifnameof(ifname)
1168         if not ifname then
1169                 return false
1170         elseif self:is_virtual() and self:proto() .. "-" .. self.sid == ifname then
1171                 return true
1172         elseif self:is_bridge() and "br-" .. self.sid == ifname then
1173                 return true
1174         else
1175                 local ifn
1176                 for ifn in utl.imatch(self:get("ifname")) do
1177                         ifn = ifn:match("[^:]+")
1178                         if ifn == ifname then
1179                                 return true
1180                         end
1181                 end
1182
1183                 local wif = _wifi_sid_by_ifname(ifname)
1184                 if wif then
1185                         local n
1186                         for n in utl.imatch(_uci:get("wireless", wif, "network")) do
1187                                 if n == self.sid then
1188                                         return true
1189                                 end
1190                         end
1191                 end
1192         end
1193
1194         return false
1195 end
1196
1197 function protocol.adminlink(self)
1198         local stat, dsp = pcall(require, "luci.dispatcher")
1199         return stat and dsp.build_url("admin", "network", "network", self.sid)
1200 end
1201
1202
1203 interface = utl.class()
1204
1205 function interface.__init__(self, ifname, network)
1206         local wif = _wifi_sid_by_ifname(ifname)
1207         if wif then
1208                 self.wif    = wifinet(wif)
1209                 self.ifname = self.wif:ifname()
1210         end
1211
1212         self.ifname  = self.ifname or ifname
1213         self.dev     = _interfaces[self.ifname]
1214         self.network = network
1215 end
1216
1217 function interface._ubus(self, field)
1218         if not _ubusdevcache[self.ifname] then
1219                 _ubusdevcache[self.ifname] = utl.ubus("network.device", "status",
1220                                                       { name = self.ifname })
1221         end
1222         if _ubusdevcache[self.ifname] and field then
1223                 return _ubusdevcache[self.ifname][field]
1224         end
1225         return _ubusdevcache[self.ifname]
1226 end
1227
1228 function interface.name(self)
1229         return self.wif and self.wif:ifname() or self.ifname
1230 end
1231
1232 function interface.mac(self)
1233         local mac = self:_ubus("macaddr")
1234         return mac and mac:upper()
1235 end
1236
1237 function interface.ipaddrs(self)
1238         return self.dev and self.dev.ipaddrs or { }
1239 end
1240
1241 function interface.ip6addrs(self)
1242         return self.dev and self.dev.ip6addrs or { }
1243 end
1244
1245 function interface.type(self)
1246         if self.wif or _wifi_iface(self.ifname) then
1247                 return "wifi"
1248         elseif _bridge[self.ifname] then
1249                 return "bridge"
1250         elseif _tunnel[self.ifname] then
1251                 return "tunnel"
1252         elseif self.ifname:match("%.") then
1253                 return "vlan"
1254         elseif _switch[self.ifname] then
1255                 return "switch"
1256         else
1257                 return "ethernet"
1258         end
1259 end
1260
1261 function interface.shortname(self)
1262         if self.wif then
1263                 return self.wif:shortname()
1264         else
1265                 return self.ifname
1266         end
1267 end
1268
1269 function interface.get_i18n(self)
1270         if self.wif then
1271                 return "%s: %s %q" %{
1272                         lng.translate("Wireless Network"),
1273                         self.wif:active_mode(),
1274                         self.wif:active_ssid() or self.wif:active_bssid() or self.wif:id()
1275                 }
1276         else
1277                 return "%s: %q" %{ self:get_type_i18n(), self:name() }
1278         end
1279 end
1280
1281 function interface.get_type_i18n(self)
1282         local x = self:type()
1283         if x == "wifi" then
1284                 return lng.translate("Wireless Adapter")
1285         elseif x == "bridge" then
1286                 return lng.translate("Bridge")
1287         elseif x == "switch" then
1288                 return lng.translate("Ethernet Switch")
1289         elseif x == "vlan" then
1290                 if _switch[self.ifname] then
1291                         return lng.translate("Switch VLAN")
1292                 else
1293                         return lng.translate("Software VLAN")
1294                 end
1295         elseif x == "tunnel" then
1296                 return lng.translate("Tunnel Interface")
1297         else
1298                 return lng.translate("Ethernet Adapter")
1299         end
1300 end
1301
1302 function interface.adminlink(self)
1303         if self.wif then
1304                 return self.wif:adminlink()
1305         end
1306 end
1307
1308 function interface.ports(self)
1309         local members = self:_ubus("bridge-members")
1310         if members then
1311                 local _, iface
1312                 local ifaces = { }
1313                 for _, iface in ipairs(members) do
1314                         ifaces[#ifaces+1] = interface(iface)
1315                 end
1316         end
1317 end
1318
1319 function interface.bridge_id(self)
1320         if self.br then
1321                 return self.br.id
1322         else
1323                 return nil
1324         end
1325 end
1326
1327 function interface.bridge_stp(self)
1328         if self.br then
1329                 return self.br.stp
1330         else
1331                 return false
1332         end
1333 end
1334
1335 function interface.is_up(self)
1336         return self:_ubus("up") or false
1337 end
1338
1339 function interface.is_bridge(self)
1340         return (self:type() == "bridge")
1341 end
1342
1343 function interface.is_bridgeport(self)
1344         return self.dev and self.dev.bridge and true or false
1345 end
1346
1347 function interface.tx_bytes(self)
1348         local stat = self:_ubus("statistics")
1349         return stat and stat.tx_bytes or 0
1350 end
1351
1352 function interface.rx_bytes(self)
1353         local stat = self:_ubus("statistics")
1354         return stat and stat.rx_bytes or 0
1355 end
1356
1357 function interface.tx_packets(self)
1358         local stat = self:_ubus("statistics")
1359         return stat and stat.tx_packets or 0
1360 end
1361
1362 function interface.rx_packets(self)
1363         local stat = self:_ubus("statistics")
1364         return stat and stat.rx_packets or 0
1365 end
1366
1367 function interface.get_network(self)
1368         return self:get_networks()[1]
1369 end
1370
1371 function interface.get_networks(self)
1372         if not self.networks then
1373                 local nets = { }
1374                 local _, net
1375                 for _, net in ipairs(_M:get_networks()) do
1376                         if net:contains_interface(self.ifname) or
1377                            net:ifname() == self.ifname
1378                         then
1379                                 nets[#nets+1] = net
1380                         end
1381                 end
1382                 table.sort(nets, function(a, b) return a.sid < b.sid end)
1383                 self.networks = nets
1384                 return nets
1385         else
1386                 return self.networks
1387         end
1388 end
1389
1390 function interface.get_wifinet(self)
1391         return self.wif
1392 end
1393
1394
1395 wifidev = utl.class()
1396
1397 function wifidev.__init__(self, name)
1398         local t, n = _uci:get("wireless", name)
1399         if t == "wifi-device" and n ~= nil then
1400                 self.sid    = n
1401                 self.iwinfo = _wifi_iwinfo_by_ifname(self.sid, true)
1402         end
1403         self.sid    = self.sid    or name
1404         self.iwinfo = self.iwinfo or { ifname = self.sid }
1405 end
1406
1407 function wifidev.get(self, opt)
1408         return _get("wireless", self.sid, opt)
1409 end
1410
1411 function wifidev.set(self, opt, val)
1412         return _set("wireless", self.sid, opt, val)
1413 end
1414
1415 function wifidev.name(self)
1416         return self.sid
1417 end
1418
1419 function wifidev.hwmodes(self)
1420         local l = self.iwinfo.hwmodelist
1421         if l and next(l) then
1422                 return l
1423         else
1424                 return { b = true, g = true }
1425         end
1426 end
1427
1428 function wifidev.get_i18n(self)
1429         local t = "Generic"
1430         if self.iwinfo.type == "wl" then
1431                 t = "Broadcom"
1432         end
1433
1434         local m = ""
1435         local l = self:hwmodes()
1436         if l.a then m = m .. "a" end
1437         if l.b then m = m .. "b" end
1438         if l.g then m = m .. "g" end
1439         if l.n then m = m .. "n" end
1440         if l.ac then m = "ac" end
1441
1442         return "%s 802.11%s Wireless Controller (%s)" %{ t, m, self:name() }
1443 end
1444
1445 function wifidev.is_up(self)
1446         if _ubuswificache[self.sid] then
1447                 return (_ubuswificache[self.sid].up == true)
1448         end
1449
1450         return false
1451 end
1452
1453 function wifidev.get_wifinet(self, net)
1454         if _uci:get("wireless", net) == "wifi-iface" then
1455                 return wifinet(net)
1456         else
1457                 local wnet = _wifi_sid_by_ifname(net)
1458                 if wnet then
1459                         return wifinet(wnet)
1460                 end
1461         end
1462 end
1463
1464 function wifidev.get_wifinets(self)
1465         local nets = { }
1466
1467         _uci:foreach("wireless", "wifi-iface",
1468                 function(s)
1469                         if s.device == self.sid then
1470                                 nets[#nets+1] = wifinet(s['.name'])
1471                         end
1472                 end)
1473
1474         return nets
1475 end
1476
1477 function wifidev.add_wifinet(self, options)
1478         options = options or { }
1479         options.device = self.sid
1480
1481         local wnet = _uci:section("wireless", "wifi-iface", nil, options)
1482         if wnet then
1483                 return wifinet(wnet, options)
1484         end
1485 end
1486
1487 function wifidev.del_wifinet(self, net)
1488         if utl.instanceof(net, wifinet) then
1489                 net = net.sid
1490         elseif _uci:get("wireless", net) ~= "wifi-iface" then
1491                 net = _wifi_sid_by_ifname(net)
1492         end
1493
1494         if net and _uci:get("wireless", net, "device") == self.sid then
1495                 _uci:delete("wireless", net)
1496                 return true
1497         end
1498
1499         return false
1500 end
1501
1502
1503 wifinet = utl.class()
1504
1505 function wifinet.__init__(self, name, data)
1506         local sid, netid, radioname, radiostate, netstate
1507
1508         -- lookup state by radio#.network# notation
1509         sid = _wifi_sid_by_netid(name)
1510         if sid then
1511                 netid = name
1512                 radioname, radiostate, netstate = _wifi_state_by_sid(sid)
1513         else
1514                 -- lookup state by ifname (e.g. wlan0)
1515                 radioname, radiostate, netstate = _wifi_state_by_ifname(name)
1516                 if radioname and radiostate and netstate then
1517                         sid = netstate.section
1518                         netid = _wifi_netid_by_sid(sid)
1519                 else
1520                         -- lookup state by uci section id (e.g. cfg053579)
1521                         radioname, radiostate, netstate = _wifi_state_by_sid(name)
1522                         if radioname and radiostate and netstate then
1523                                 sid = name
1524                                 netid = _wifi_netid_by_sid(sid)
1525                         else
1526                                 -- no state available, try to resolve from uci
1527                                 netid, radioname = _wifi_netid_by_sid(name)
1528                                 if netid and radioname then
1529                                         sid = name
1530                                 end
1531                         end
1532                 end
1533         end
1534
1535         local iwinfo =
1536                 (netstate and _wifi_iwinfo_by_ifname(netstate.ifname)) or
1537                 (radioname and _wifi_iwinfo_by_ifname(radioname)) or
1538                 { ifname = (netid or sid or name) }
1539
1540         self.sid       = sid or name
1541         self.wdev      = iwinfo.ifname
1542         self.iwinfo    = iwinfo
1543         self.netid     = netid
1544         self._ubusdata = {
1545                 radio = radioname,
1546                 dev   = radiostate,
1547                 net   = netstate
1548         }
1549 end
1550
1551 function wifinet.ubus(self, ...)
1552         local n, v = self._ubusdata
1553         for n = 1, select('#', ...) do
1554                 if type(v) == "table" then
1555                         v = v[select(n, ...)]
1556                 else
1557                         return nil
1558                 end
1559         end
1560         return v
1561 end
1562
1563 function wifinet.get(self, opt)
1564         return _get("wireless", self.sid, opt)
1565 end
1566
1567 function wifinet.set(self, opt, val)
1568         return _set("wireless", self.sid, opt, val)
1569 end
1570
1571 function wifinet.mode(self)
1572         return self:ubus("net", "config", "mode") or self:get("mode") or "ap"
1573 end
1574
1575 function wifinet.ssid(self)
1576         return self:ubus("net", "config", "ssid") or self:get("ssid")
1577 end
1578
1579 function wifinet.bssid(self)
1580         return self:ubus("net", "config", "bssid") or self:get("bssid")
1581 end
1582
1583 function wifinet.network(self)
1584         local net, networks = nil, { }
1585         for net in utl.imatch(self:ubus("net", "config", "network") or self:get("network")) do
1586                 networks[#networks+1] = net
1587         end
1588         return networks
1589 end
1590
1591 function wifinet.id(self)
1592         return self.netid
1593 end
1594
1595 function wifinet.name(self)
1596         return self.sid
1597 end
1598
1599 function wifinet.ifname(self)
1600         local ifname = self:ubus("net", "ifname") or self.iwinfo.ifname
1601         if not ifname or ifname:match("^wifi%d") or ifname:match("^radio%d") then
1602                 ifname = self.wdev
1603         end
1604         return ifname
1605 end
1606
1607 function wifinet.get_device(self)
1608         local dev = self:ubus("radio") or self:get("device")
1609         return dev and wifidev(dev) or nil
1610 end
1611
1612 function wifinet.is_up(self)
1613         local ifc = self:get_interface()
1614         return (ifc and ifc:is_up() or false)
1615 end
1616
1617 function wifinet.active_mode(self)
1618         local m = self.iwinfo.mode or self:ubus("net", "config", "mode") or self:get("mode") or "ap"
1619
1620         if     m == "ap"      then m = "Master"
1621         elseif m == "sta"     then m = "Client"
1622         elseif m == "adhoc"   then m = "Ad-Hoc"
1623         elseif m == "mesh"    then m = "Mesh"
1624         elseif m == "monitor" then m = "Monitor"
1625         end
1626
1627         return m
1628 end
1629
1630 function wifinet.active_mode_i18n(self)
1631         return lng.translate(self:active_mode())
1632 end
1633
1634 function wifinet.active_ssid(self)
1635         return self.iwinfo.ssid or self:ubus("net", "config", "ssid") or self:get("ssid")
1636 end
1637
1638 function wifinet.active_bssid(self)
1639         return self.iwinfo.bssid or self:ubus("net", "config", "bssid") or self:get("bssid")
1640 end
1641
1642 function wifinet.active_encryption(self)
1643         local enc = self.iwinfo and self.iwinfo.encryption
1644         return enc and enc.description or "-"
1645 end
1646
1647 function wifinet.assoclist(self)
1648         return self.iwinfo.assoclist or { }
1649 end
1650
1651 function wifinet.frequency(self)
1652         local freq = self.iwinfo.frequency
1653         if freq and freq > 0 then
1654                 return "%.03f" % (freq / 1000)
1655         end
1656 end
1657
1658 function wifinet.bitrate(self)
1659         local rate = self.iwinfo.bitrate
1660         if rate and rate > 0 then
1661                 return (rate / 1000)
1662         end
1663 end
1664
1665 function wifinet.channel(self)
1666         return self.iwinfo.channel or self:ubus("dev", "config", "channel") or
1667                 tonumber(self:get("channel"))
1668 end
1669
1670 function wifinet.signal(self)
1671         return self.iwinfo.signal or 0
1672 end
1673
1674 function wifinet.noise(self)
1675         return self.iwinfo.noise or 0
1676 end
1677
1678 function wifinet.country(self)
1679         return self.iwinfo.country or self:ubus("dev", "config", "country") or "00"
1680 end
1681
1682 function wifinet.txpower(self)
1683         local pwr = (self.iwinfo.txpower or 0)
1684         return pwr + self:txpower_offset()
1685 end
1686
1687 function wifinet.txpower_offset(self)
1688         return self.iwinfo.txpower_offset or 0
1689 end
1690
1691 function wifinet.signal_level(self, s, n)
1692         if self:active_bssid() ~= "00:00:00:00:00:00" then
1693                 local signal = s or self:signal()
1694                 local noise  = n or self:noise()
1695
1696                 if signal < 0 and noise < 0 then
1697                         local snr = -1 * (noise - signal)
1698                         return math.floor(snr / 5)
1699                 else
1700                         return 0
1701                 end
1702         else
1703                 return -1
1704         end
1705 end
1706
1707 function wifinet.signal_percent(self)
1708         local qc = self.iwinfo.quality or 0
1709         local qm = self.iwinfo.quality_max or 0
1710
1711         if qc > 0 and qm > 0 then
1712                 return math.floor((100 / qm) * qc)
1713         else
1714                 return 0
1715         end
1716 end
1717
1718 function wifinet.shortname(self)
1719         return "%s %q" %{
1720                 lng.translate(self:active_mode()),
1721                 self:active_ssid() or self:active_bssid() or self:id()
1722         }
1723 end
1724
1725 function wifinet.get_i18n(self)
1726         return "%s: %s %q (%s)" %{
1727                 lng.translate("Wireless Network"),
1728                 lng.translate(self:active_mode()),
1729                 self:active_ssid() or self:active_bssid() or self:id(),
1730                 self:ifname()
1731         }
1732 end
1733
1734 function wifinet.adminlink(self)
1735         local stat, dsp = pcall(require, "luci.dispatcher")
1736         return dsp and dsp.build_url("admin", "network", "wireless", self.netid)
1737 end
1738
1739 function wifinet.get_network(self)
1740         return self:get_networks()[1]
1741 end
1742
1743 function wifinet.get_networks(self)
1744         local nets = { }
1745         local net
1746         for net in utl.imatch(self:ubus("net", "config", "network") or self:get("network")) do
1747                 if _uci:get("network", net) == "interface" then
1748                         nets[#nets+1] = network(net)
1749                 end
1750         end
1751         table.sort(nets, function(a, b) return a.sid < b.sid end)
1752         return nets
1753 end
1754
1755 function wifinet.get_interface(self)
1756         return interface(self:ifname())
1757 end
1758
1759
1760 -- setup base protocols
1761 _M:register_protocol("static")
1762 _M:register_protocol("dhcp")
1763 _M:register_protocol("none")
1764
1765 -- load protocol extensions
1766 local exts = nfs.dir(utl.libpath() .. "/model/network")
1767 if exts then
1768         local ext
1769         for ext in exts do
1770                 if ext:match("%.lua$") then
1771                         require("luci.model.network." .. ext:gsub("%.lua$", ""))
1772                 end
1773         end
1774 end