51913729dc6489bb178903e284bf8b4fc6236d81
[project/luci.git] / modules / luci-mod-admin-full / luasrc / model / cbi / admin_network / wifi.lua
1 -- Copyright 2008 Steven Barth <steven@midlink.org>
2 -- Licensed to the public under the Apache License 2.0.
3
4 local wa = require "luci.tools.webadmin"
5 local nw = require "luci.model.network"
6 local ut = require "luci.util"
7 local nt = require "luci.sys".net
8 local fs = require "nixio.fs"
9
10 arg[1] = arg[1] or ""
11
12 m = Map("wireless", "",
13         translate("The <em>Device Configuration</em> section covers physical settings of the radio " ..
14                 "hardware such as channel, transmit power or antenna selection which are shared among all " ..
15                 "defined wireless networks (if the radio hardware is multi-SSID capable). Per network settings " ..
16                 "like encryption or operation mode are grouped in the <em>Interface Configuration</em>."))
17
18 m:chain("network")
19 m:chain("firewall")
20 m.redirect = luci.dispatcher.build_url("admin/network/wireless")
21
22 local ifsection
23
24 function m.on_commit(map)
25         local wnet = nw:get_wifinet(arg[1])
26         if ifsection and wnet then
27                 ifsection.section = wnet.sid
28                 m.title = luci.util.pcdata(wnet:get_i18n())
29         end
30 end
31
32 nw.init(m.uci)
33
34 local wnet = nw:get_wifinet(arg[1])
35 local wdev = wnet and wnet:get_device()
36
37 -- redirect to overview page if network does not exist anymore (e.g. after a revert)
38 if not wnet or not wdev then
39         luci.http.redirect(luci.dispatcher.build_url("admin/network/wireless"))
40         return
41 end
42
43 -- wireless toggle was requested, commit and reload page
44 function m.parse(map)
45         local new_cc = m:formvalue("cbid.wireless.%s.country" % wdev:name())
46         local old_cc = m:get(wdev:name(), "country")
47
48         if m:formvalue("cbid.wireless.%s.__toggle" % wdev:name()) then
49                 if wdev:get("disabled") == "1" or wnet:get("disabled") == "1" then
50                         wnet:set("disabled", nil)
51                 else
52                         wnet:set("disabled", "1")
53                 end
54                 wdev:set("disabled", nil)
55
56                 nw:commit("wireless")
57                 luci.sys.call("(env -i /bin/ubus call network reload) >/dev/null 2>/dev/null")
58
59                 luci.http.redirect(luci.dispatcher.build_url("admin/network/wireless", arg[1]))
60                 return
61         end
62
63         Map.parse(map)
64
65         if m:get(wdev:name(), "type") == "mac80211" and new_cc and new_cc ~= old_cc then
66                 luci.sys.call("iw reg set %q" % new_cc)
67                 luci.http.redirect(luci.dispatcher.build_url("admin/network/wireless", arg[1]))
68                 return
69         end
70 end
71
72 m.title = luci.util.pcdata(wnet:get_i18n())
73
74
75 local function txpower_list(iw)
76         local list = iw.txpwrlist or { }
77         local off  = tonumber(iw.txpower_offset) or 0
78         local new  = { }
79         local prev = -1
80         local _, val
81         for _, val in ipairs(list) do
82                 local dbm = val.dbm + off
83                 local mw  = math.floor(10 ^ (dbm / 10))
84                 if mw ~= prev then
85                         prev = mw
86                         new[#new+1] = {
87                                 display_dbm = dbm,
88                                 display_mw  = mw,
89                                 driver_dbm  = val.dbm,
90                                 driver_mw   = val.mw
91                         }
92                 end
93         end
94         return new
95 end
96
97 local function txpower_current(pwr, list)
98         pwr = tonumber(pwr)
99         if pwr ~= nil then
100                 local _, item
101                 for _, item in ipairs(list) do
102                         if item.driver_dbm >= pwr then
103                                 return item.driver_dbm
104                         end
105                 end
106         end
107         return pwr or ""
108 end
109
110 local iw = luci.sys.wifi.getiwinfo(arg[1])
111 local hw_modes      = iw.hwmodelist or { }
112 local tx_power_list = txpower_list(iw)
113 local tx_power_cur  = txpower_current(wdev:get("txpower"), tx_power_list)
114
115 s = m:section(NamedSection, wdev:name(), "wifi-device", translate("Device Configuration"))
116 s.addremove = false
117
118 s:tab("general", translate("General Setup"))
119 s:tab("macfilter", translate("MAC-Filter"))
120 s:tab("advanced", translate("Advanced Settings"))
121
122 --[[
123 back = s:option(DummyValue, "_overview", translate("Overview"))
124 back.value = ""
125 back.titleref = luci.dispatcher.build_url("admin", "network", "wireless")
126 ]]
127
128 st = s:taboption("general", DummyValue, "__status", translate("Status"))
129 st.template = "admin_network/wifi_status"
130 st.ifname   = arg[1]
131
132 en = s:taboption("general", Button, "__toggle")
133
134 if wdev:get("disabled") == "1" or wnet:get("disabled") == "1" then
135         en.title      = translate("Wireless network is disabled")
136         en.inputtitle = translate("Enable")
137         en.inputstyle = "apply"
138 else
139         en.title      = translate("Wireless network is enabled")
140         en.inputtitle = translate("Disable")
141         en.inputstyle = "reset"
142 end
143
144
145 local hwtype = wdev:get("type")
146
147 -- NanoFoo
148 local nsantenna = wdev:get("antenna")
149
150 -- Check whether there are client interfaces on the same radio,
151 -- if yes, lock the channel choice as these stations will dicatate the freq
152 local found_sta = nil
153 local _, net
154 if wnet:mode() ~= "sta" then
155         for _, net in ipairs(wdev:get_wifinets()) do
156                 if net:mode() == "sta" and net:get("disabled") ~= "1" then
157                         if not found_sta then
158                                 found_sta = {}
159                                 found_sta.channel = net:channel()
160                                 found_sta.names = {}
161                         end
162                         found_sta.names[#found_sta.names+1] = net:shortname()
163                 end
164         end
165 end
166
167 if found_sta then
168         ch = s:taboption("general", DummyValue, "choice", translate("Channel"))
169         ch.value = translatef("Locked to channel %s used by: %s",
170                 found_sta.channel or "(auto)", table.concat(found_sta.names, ", "))
171 else
172         ch = s:taboption("general", Value, "_mode_freq", '<br />'..translate("Operating frequency"))
173         ch.hwmodes = hw_modes
174         ch.htmodes = iw.htmodelist
175         ch.freqlist = iw.freqlist
176         ch.template = "cbi/wireless_modefreq"
177
178         function ch.cfgvalue(self, section)
179                 return {
180                         m:get(section, "hwmode") or "",
181                         m:get(section, "channel") or "auto",
182                         m:get(section, "htmode") or ""
183                 }
184         end
185
186         function ch.formvalue(self, section)
187                 return {
188                         m:formvalue(self:cbid(section) .. ".band") or (hw_modes.g and "11g" or "11a"),
189                         m:formvalue(self:cbid(section) .. ".channel") or "auto",
190                         m:formvalue(self:cbid(section) .. ".htmode") or ""
191                 }
192         end
193
194         function ch.write(self, section, value)
195                 m:set(section, "hwmode", value[1])
196                 m:set(section, "channel", value[2])
197                 m:set(section, "htmode", value[3])
198         end
199 end
200
201 ------------------- MAC80211 Device ------------------
202
203 if hwtype == "mac80211" then
204         if #tx_power_list > 0 then
205                 tp = s:taboption("general", ListValue,
206                         "txpower", translate("Transmit Power"), "dBm")
207                 tp.rmempty = true
208                 tp.default = tx_power_cur
209                 function tp.cfgvalue(...)
210                         return txpower_current(Value.cfgvalue(...), tx_power_list)
211                 end
212
213                 tp:value("", translate("auto"))
214                 for _, p in ipairs(tx_power_list) do
215                         tp:value(p.driver_dbm, "%i dBm (%i mW)"
216                                 %{ p.display_dbm, p.display_mw })
217                 end
218         end
219
220         local cl = iw and iw.countrylist
221         if cl and #cl > 0 then
222                 cc = s:taboption("advanced", ListValue, "country", translate("Country Code"), translate("Use ISO/IEC 3166 alpha2 country codes."))
223                 cc.default = tostring(iw and iw.country or "00")
224                 for _, c in ipairs(cl) do
225                         cc:value(c.alpha2, "%s - %s" %{ c.alpha2, c.name })
226                 end
227         else
228                 s:taboption("advanced", Value, "country", translate("Country Code"), translate("Use ISO/IEC 3166 alpha2 country codes."))
229         end
230
231         s:taboption("advanced", Value, "distance", translate("Distance Optimization"),
232                 translate("Distance to farthest network member in meters."))
233
234         -- external antenna profiles
235         local eal = iw and iw.extant
236         if eal and #eal > 0 then
237                 ea = s:taboption("advanced", ListValue, "extant", translate("Antenna Configuration"))
238                 for _, eap in ipairs(eal) do
239                         ea:value(eap.id, "%s (%s)" %{ eap.name, eap.description })
240                         if eap.selected then
241                                 ea.default = eap.id
242                         end
243                 end
244         end
245
246         s:taboption("advanced", Value, "frag", translate("Fragmentation Threshold"))
247         s:taboption("advanced", Value, "rts", translate("RTS/CTS Threshold"))
248 end
249
250
251 ------------------- Broadcom Device ------------------
252
253 if hwtype == "broadcom" then
254         tp = s:taboption("general",
255                 (#tx_power_list > 0) and ListValue or Value,
256                 "txpower", translate("Transmit Power"), "dBm")
257
258         tp.rmempty = true
259         tp.default = tx_power_cur
260
261         function tp.cfgvalue(...)
262                 return txpower_current(Value.cfgvalue(...), tx_power_list)
263         end
264
265         tp:value("", translate("auto"))
266         for _, p in ipairs(tx_power_list) do
267                 tp:value(p.driver_dbm, "%i dBm (%i mW)"
268                         %{ p.display_dbm, p.display_mw })
269         end
270
271         mode = s:taboption("advanced", ListValue, "hwmode", translate("Band"))
272         if hw_modes.b then
273                 mode:value("11b", "2.4GHz (802.11b)")
274                 if hw_modes.g then
275                         mode:value("11bg", "2.4GHz (802.11b+g)")
276                 end
277         end
278         if hw_modes.g then
279                 mode:value("11g", "2.4GHz (802.11g)")
280                 mode:value("11gst", "2.4GHz (802.11g + Turbo)")
281                 mode:value("11lrs", "2.4GHz (802.11g Limited Rate Support)")
282         end
283         if hw_modes.a then mode:value("11a", "5GHz (802.11a)") end
284         if hw_modes.n then
285                 if hw_modes.g then
286                         mode:value("11ng", "2.4GHz (802.11g+n)")
287                         mode:value("11n", "2.4GHz (802.11n)")
288                 end
289                 if hw_modes.a then
290                         mode:value("11na", "5GHz (802.11a+n)")
291                         mode:value("11n", "5GHz (802.11n)")
292                 end
293                 htmode = s:taboption("advanced", ListValue, "htmode", translate("HT mode (802.11n)"))
294                 htmode:depends("hwmode", "11ng")
295                 htmode:depends("hwmode", "11na")
296                 htmode:depends("hwmode", "11n")
297                 htmode:value("HT20", "20MHz")
298                 htmode:value("HT40", "40MHz")
299         end
300
301         ant1 = s:taboption("advanced", ListValue, "txantenna", translate("Transmitter Antenna"))
302         ant1.widget = "radio"
303         ant1:depends("diversity", "")
304         ant1:value("3", translate("auto"))
305         ant1:value("0", translate("Antenna 1"))
306         ant1:value("1", translate("Antenna 2"))
307
308         ant2 = s:taboption("advanced", ListValue, "rxantenna", translate("Receiver Antenna"))
309         ant2.widget = "radio"
310         ant2:depends("diversity", "")
311         ant2:value("3", translate("auto"))
312         ant2:value("0", translate("Antenna 1"))
313         ant2:value("1", translate("Antenna 2"))
314
315         s:taboption("advanced", Flag, "frameburst", translate("Frame Bursting"))
316
317         s:taboption("advanced", Value, "distance", translate("Distance Optimization"))
318         --s:option(Value, "slottime", translate("Slot time"))
319
320         s:taboption("advanced", Value, "country", translate("Country Code"))
321         s:taboption("advanced", Value, "maxassoc", translate("Connection Limit"))
322 end
323
324
325 --------------------- HostAP Device ---------------------
326
327 if hwtype == "prism2" then
328         s:taboption("advanced", Value, "txpower", translate("Transmit Power"), "att units").rmempty = true
329
330         s:taboption("advanced", Flag, "diversity", translate("Diversity")).rmempty = false
331
332         s:taboption("advanced", Value, "txantenna", translate("Transmitter Antenna"))
333         s:taboption("advanced", Value, "rxantenna", translate("Receiver Antenna"))
334 end
335
336
337 ----------------------- Interface -----------------------
338
339 s = m:section(NamedSection, wnet.sid, "wifi-iface", translate("Interface Configuration"))
340 ifsection = s
341 s.addremove = false
342 s.anonymous = true
343 s.defaults.device = wdev:name()
344
345 s:tab("general", translate("General Setup"))
346 s:tab("encryption", translate("Wireless Security"))
347 s:tab("macfilter", translate("MAC-Filter"))
348 s:tab("advanced", translate("Advanced Settings"))
349
350 ssid = s:taboption("general", Value, "ssid", translate("<abbr title=\"Extended Service Set Identifier\">ESSID</abbr>"))
351 ssid.datatype = "maxlength(32)"
352
353 mode = s:taboption("general", ListValue, "mode", translate("Mode"))
354 mode.override_values = true
355 mode:value("ap", translate("Access Point"))
356 mode:value("sta", translate("Client"))
357 mode:value("adhoc", translate("Ad-Hoc"))
358
359 bssid = s:taboption("general", Value, "bssid", translate("<abbr title=\"Basic Service Set Identifier\">BSSID</abbr>"))
360
361 network = s:taboption("general", Value, "network", translate("Network"),
362         translate("Choose the network(s) you want to attach to this wireless interface or " ..
363                 "fill out the <em>create</em> field to define a new network."))
364
365 network.rmempty = true
366 network.template = "cbi/network_netlist"
367 network.widget = "checkbox"
368 network.novirtual = true
369
370 function network.write(self, section, value)
371         local i = nw:get_interface(section)
372         if i then
373                 if value == '-' then
374                         value = m:formvalue(self:cbid(section) .. ".newnet")
375                         if value and #value > 0 then
376                                 local n = nw:add_network(value, {proto="none"})
377                                 if n then n:add_interface(i) end
378                         else
379                                 local n = i:get_network()
380                                 if n then n:del_interface(i) end
381                         end
382                 else
383                         local v
384                         for _, v in ipairs(i:get_networks()) do
385                                 v:del_interface(i)
386                         end
387                         for v in ut.imatch(value) do
388                                 local n = nw:get_network(v)
389                                 if n then
390                                         if not n:is_empty() then
391                                                 n:set("type", "bridge")
392                                         end
393                                         n:add_interface(i)
394                                 end
395                         end
396                 end
397         end
398 end
399
400 -------------------- MAC80211 Interface ----------------------
401
402 if hwtype == "mac80211" then
403         if fs.access("/usr/sbin/iw") then
404                 mode:value("mesh", "802.11s")
405         end
406
407         mode:value("ahdemo", translate("Pseudo Ad-Hoc (ahdemo)"))
408         mode:value("monitor", translate("Monitor"))
409         bssid:depends({mode="adhoc"})
410         bssid:depends({mode="sta"})
411         bssid:depends({mode="sta-wds"})
412
413         mp = s:taboption("macfilter", ListValue, "macfilter", translate("MAC-Address Filter"))
414         mp:depends({mode="ap"})
415         mp:depends({mode="ap-wds"})
416         mp:value("", translate("disable"))
417         mp:value("allow", translate("Allow listed only"))
418         mp:value("deny", translate("Allow all except listed"))
419
420         ml = s:taboption("macfilter", DynamicList, "maclist", translate("MAC-List"))
421         ml.datatype = "macaddr"
422         ml:depends({macfilter="allow"})
423         ml:depends({macfilter="deny"})
424         nt.mac_hints(function(mac, name) ml:value(mac, "%s (%s)" %{ mac, name }) end)
425
426         mode:value("ap-wds", "%s (%s)" % {translate("Access Point"), translate("WDS")})
427         mode:value("sta-wds", "%s (%s)" % {translate("Client"), translate("WDS")})
428
429         function mode.write(self, section, value)
430                 if value == "ap-wds" then
431                         ListValue.write(self, section, "ap")
432                         m.uci:set("wireless", section, "wds", 1)
433                 elseif value == "sta-wds" then
434                         ListValue.write(self, section, "sta")
435                         m.uci:set("wireless", section, "wds", 1)
436                 else
437                         ListValue.write(self, section, value)
438                         m.uci:delete("wireless", section, "wds")
439                 end
440         end
441
442         function mode.cfgvalue(self, section)
443                 local mode = ListValue.cfgvalue(self, section)
444                 local wds  = m.uci:get("wireless", section, "wds") == "1"
445
446                 if mode == "ap" and wds then
447                         return "ap-wds"
448                 elseif mode == "sta" and wds then
449                         return "sta-wds"
450                 else
451                         return mode
452                 end
453         end
454
455         hidden = s:taboption("general", Flag, "hidden", translate("Hide <abbr title=\"Extended Service Set Identifier\">ESSID</abbr>"))
456         hidden:depends({mode="ap"})
457         hidden:depends({mode="ap-wds"})
458
459         wmm = s:taboption("general", Flag, "wmm", translate("WMM Mode"))
460         wmm:depends({mode="ap"})
461         wmm:depends({mode="ap-wds"})
462         wmm.default = wmm.enabled
463         
464         isolate = s:taboption("advanced", Flag, "isolate", translate("Isolate Clients"),
465          translate("Prevents client-to-client communication"))
466         isolate:depends({mode="ap"})
467         isolate:depends({mode="ap-wds"})
468
469         ifname = s:taboption("advanced", Value, "ifname", translate("Interface name"), translate("Override default interface name"))
470         ifname.optional = true
471 end
472
473
474 -------------------- Broadcom Interface ----------------------
475
476 if hwtype == "broadcom" then
477         mode:value("wds", translate("WDS"))
478         mode:value("monitor", translate("Monitor"))
479
480         hidden = s:taboption("general", Flag, "hidden", translate("Hide <abbr title=\"Extended Service Set Identifier\">ESSID</abbr>"))
481         hidden:depends({mode="ap"})
482         hidden:depends({mode="adhoc"})
483         hidden:depends({mode="wds"})
484
485         isolate = s:taboption("advanced", Flag, "isolate", translate("Separate Clients"),
486          translate("Prevents client-to-client communication"))
487         isolate:depends({mode="ap"})
488
489         s:taboption("advanced", Flag, "doth", "802.11h")
490         s:taboption("advanced", Flag, "wmm", translate("WMM Mode"))
491
492         bssid:depends({mode="wds"})
493         bssid:depends({mode="adhoc"})
494 end
495
496
497 ----------------------- HostAP Interface ---------------------
498
499 if hwtype == "prism2" then
500         mode:value("wds", translate("WDS"))
501         mode:value("monitor", translate("Monitor"))
502
503         hidden = s:taboption("general", Flag, "hidden", translate("Hide <abbr title=\"Extended Service Set Identifier\">ESSID</abbr>"))
504         hidden:depends({mode="ap"})
505         hidden:depends({mode="adhoc"})
506         hidden:depends({mode="wds"})
507
508         bssid:depends({mode="sta"})
509
510         mp = s:taboption("macfilter", ListValue, "macpolicy", translate("MAC-Address Filter"))
511         mp:value("", translate("disable"))
512         mp:value("allow", translate("Allow listed only"))
513         mp:value("deny", translate("Allow all except listed"))
514         ml = s:taboption("macfilter", DynamicList, "maclist", translate("MAC-List"))
515         ml:depends({macpolicy="allow"})
516         ml:depends({macpolicy="deny"})
517         nt.mac_hints(function(mac, name) ml:value(mac, "%s (%s)" %{ mac, name }) end)
518
519         s:taboption("advanced", Value, "rate", translate("Transmission Rate"))
520         s:taboption("advanced", Value, "frag", translate("Fragmentation Threshold"))
521         s:taboption("advanced", Value, "rts", translate("RTS/CTS Threshold"))
522 end
523
524
525 ------------------- WiFI-Encryption -------------------
526
527 encr = s:taboption("encryption", ListValue, "encryption", translate("Encryption"))
528 encr.override_values = true
529 encr.override_depends = true
530 encr:depends({mode="ap"})
531 encr:depends({mode="sta"})
532 encr:depends({mode="adhoc"})
533 encr:depends({mode="ahdemo"})
534 encr:depends({mode="ap-wds"})
535 encr:depends({mode="sta-wds"})
536 encr:depends({mode="mesh"})
537
538 cipher = s:taboption("encryption", ListValue, "cipher", translate("Cipher"))
539 cipher:depends({encryption="wpa"})
540 cipher:depends({encryption="wpa2"})
541 cipher:depends({encryption="psk"})
542 cipher:depends({encryption="psk2"})
543 cipher:depends({encryption="wpa-mixed"})
544 cipher:depends({encryption="psk-mixed"})
545 cipher:value("auto", translate("auto"))
546 cipher:value("ccmp", translate("Force CCMP (AES)"))
547 cipher:value("tkip", translate("Force TKIP"))
548 cipher:value("tkip+ccmp", translate("Force TKIP and CCMP (AES)"))
549
550 function encr.cfgvalue(self, section)
551         local v = tostring(ListValue.cfgvalue(self, section))
552         if v == "wep" then
553                 return "wep-open"
554         elseif v and v:match("%+") then
555                 return (v:gsub("%+.+$", ""))
556         end
557         return v
558 end
559
560 function encr.write(self, section, value)
561         local e = tostring(encr:formvalue(section))
562         local c = tostring(cipher:formvalue(section))
563         if value == "wpa" or value == "wpa2"  then
564                 self.map.uci:delete("wireless", section, "key")
565         end
566         if e and (c == "tkip" or c == "ccmp" or c == "tkip+ccmp") then
567                 e = e .. "+" .. c
568         end
569         self.map:set(section, "encryption", e)
570 end
571
572 function cipher.cfgvalue(self, section)
573         local v = tostring(ListValue.cfgvalue(encr, section))
574         if v and v:match("%+") then
575                 v = v:gsub("^[^%+]+%+", "")
576                 if v == "aes" then v = "ccmp"
577                 elseif v == "tkip+aes" then v = "tkip+ccmp"
578                 elseif v == "aes+tkip" then v = "tkip+ccmp"
579                 elseif v == "ccmp+tkip" then v = "tkip+ccmp"
580                 end
581         end
582         return v
583 end
584
585 function cipher.write(self, section)
586         return encr:write(section)
587 end
588
589
590 encr:value("none", "No Encryption")
591 encr:value("wep-open",   translate("WEP Open System"), {mode="ap"}, {mode="sta"}, {mode="ap-wds"}, {mode="sta-wds"}, {mode="adhoc"}, {mode="ahdemo"}, {mode="wds"})
592 encr:value("wep-shared", translate("WEP Shared Key"),  {mode="ap"}, {mode="sta"}, {mode="ap-wds"}, {mode="sta-wds"}, {mode="adhoc"}, {mode="ahdemo"}, {mode="wds"})
593
594 if hwtype == "mac80211" or hwtype == "prism2" then
595         local supplicant = fs.access("/usr/sbin/wpa_supplicant")
596         local hostapd = fs.access("/usr/sbin/hostapd")
597
598         -- Probe EAP support
599         local has_ap_eap  = (os.execute("hostapd -veap >/dev/null 2>/dev/null") == 0)
600         local has_sta_eap = (os.execute("wpa_supplicant -veap >/dev/null 2>/dev/null") == 0)
601
602         if hostapd and supplicant then
603                 encr:value("psk", "WPA-PSK", {mode="ap"}, {mode="sta"}, {mode="ap-wds"}, {mode="sta-wds"}, {mode="adhoc"})
604                 encr:value("psk2", "WPA2-PSK", {mode="ap"}, {mode="sta"}, {mode="ap-wds"}, {mode="sta-wds"}, {mode="adhoc"})
605                 encr:value("psk-mixed", "WPA-PSK/WPA2-PSK Mixed Mode", {mode="ap"}, {mode="sta"}, {mode="ap-wds"}, {mode="sta-wds"}, {mode="adhoc"})
606                 if has_ap_eap and has_sta_eap then
607                         encr:value("wpa", "WPA-EAP", {mode="ap"}, {mode="sta"}, {mode="ap-wds"}, {mode="sta-wds"})
608                         encr:value("wpa2", "WPA2-EAP", {mode="ap"}, {mode="sta"}, {mode="ap-wds"}, {mode="sta-wds"})
609                 end
610         elseif hostapd and not supplicant then
611                 encr:value("psk", "WPA-PSK", {mode="ap"}, {mode="ap-wds"})
612                 encr:value("psk2", "WPA2-PSK", {mode="ap"}, {mode="ap-wds"})
613                 encr:value("psk-mixed", "WPA-PSK/WPA2-PSK Mixed Mode", {mode="ap"}, {mode="ap-wds"})
614                 if has_ap_eap then
615                         encr:value("wpa", "WPA-EAP", {mode="ap"}, {mode="ap-wds"})
616                         encr:value("wpa2", "WPA2-EAP", {mode="ap"}, {mode="ap-wds"})
617                 end
618                 encr.description = translate(
619                         "WPA-Encryption requires wpa_supplicant (for client mode) or hostapd (for AP " ..
620                         "and ad-hoc mode) to be installed."
621                 )
622         elseif not hostapd and supplicant then
623                 encr:value("psk", "WPA-PSK", {mode="sta"}, {mode="sta-wds"}, {mode="adhoc"})
624                 encr:value("psk2", "WPA2-PSK", {mode="sta"}, {mode="sta-wds"}, {mode="adhoc"})
625                 encr:value("psk-mixed", "WPA-PSK/WPA2-PSK Mixed Mode", {mode="sta"}, {mode="sta-wds"}, {mode="adhoc"})
626                 if has_sta_eap then
627                         encr:value("wpa", "WPA-EAP", {mode="sta"}, {mode="sta-wds"})
628                         encr:value("wpa2", "WPA2-EAP", {mode="sta"}, {mode="sta-wds"})
629                 end
630                 encr.description = translate(
631                         "WPA-Encryption requires wpa_supplicant (for client mode) or hostapd (for AP " ..
632                         "and ad-hoc mode) to be installed."
633                 )
634         else
635                 encr.description = translate(
636                         "WPA-Encryption requires wpa_supplicant (for client mode) or hostapd (for AP " ..
637                         "and ad-hoc mode) to be installed."
638                 )
639         end
640 elseif hwtype == "broadcom" then
641         encr:value("psk", "WPA-PSK")
642         encr:value("psk2", "WPA2-PSK")
643         encr:value("psk+psk2", "WPA-PSK/WPA2-PSK Mixed Mode")
644 end
645
646 auth_server = s:taboption("encryption", Value, "auth_server", translate("Radius-Authentication-Server"))
647 auth_server:depends({mode="ap", encryption="wpa"})
648 auth_server:depends({mode="ap", encryption="wpa2"})
649 auth_server:depends({mode="ap-wds", encryption="wpa"})
650 auth_server:depends({mode="ap-wds", encryption="wpa2"})
651 auth_server.rmempty = true
652 auth_server.datatype = "host(0)"
653
654 auth_port = s:taboption("encryption", Value, "auth_port", translate("Radius-Authentication-Port"), translatef("Default %d", 1812))
655 auth_port:depends({mode="ap", encryption="wpa"})
656 auth_port:depends({mode="ap", encryption="wpa2"})
657 auth_port:depends({mode="ap-wds", encryption="wpa"})
658 auth_port:depends({mode="ap-wds", encryption="wpa2"})
659 auth_port.rmempty = true
660 auth_port.datatype = "port"
661
662 auth_secret = s:taboption("encryption", Value, "auth_secret", translate("Radius-Authentication-Secret"))
663 auth_secret:depends({mode="ap", encryption="wpa"})
664 auth_secret:depends({mode="ap", encryption="wpa2"})
665 auth_secret:depends({mode="ap-wds", encryption="wpa"})
666 auth_secret:depends({mode="ap-wds", encryption="wpa2"})
667 auth_secret.rmempty = true
668 auth_secret.password = true
669
670 acct_server = s:taboption("encryption", Value, "acct_server", translate("Radius-Accounting-Server"))
671 acct_server:depends({mode="ap", encryption="wpa"})
672 acct_server:depends({mode="ap", encryption="wpa2"})
673 acct_server:depends({mode="ap-wds", encryption="wpa"})
674 acct_server:depends({mode="ap-wds", encryption="wpa2"})
675 acct_server.rmempty = true
676 acct_server.datatype = "host(0)"
677
678 acct_port = s:taboption("encryption", Value, "acct_port", translate("Radius-Accounting-Port"), translatef("Default %d", 1813))
679 acct_port:depends({mode="ap", encryption="wpa"})
680 acct_port:depends({mode="ap", encryption="wpa2"})
681 acct_port:depends({mode="ap-wds", encryption="wpa"})
682 acct_port:depends({mode="ap-wds", encryption="wpa2"})
683 acct_port.rmempty = true
684 acct_port.datatype = "port"
685
686 acct_secret = s:taboption("encryption", Value, "acct_secret", translate("Radius-Accounting-Secret"))
687 acct_secret:depends({mode="ap", encryption="wpa"})
688 acct_secret:depends({mode="ap", encryption="wpa2"})
689 acct_secret:depends({mode="ap-wds", encryption="wpa"})
690 acct_secret:depends({mode="ap-wds", encryption="wpa2"})
691 acct_secret.rmempty = true
692 acct_secret.password = true
693
694 wpakey = s:taboption("encryption", Value, "_wpa_key", translate("Key"))
695 wpakey:depends("encryption", "psk")
696 wpakey:depends("encryption", "psk2")
697 wpakey:depends("encryption", "psk+psk2")
698 wpakey:depends("encryption", "psk-mixed")
699 wpakey.datatype = "wpakey"
700 wpakey.rmempty = true
701 wpakey.password = true
702
703 wpakey.cfgvalue = function(self, section, value)
704         local key = m.uci:get("wireless", section, "key")
705         if key == "1" or key == "2" or key == "3" or key == "4" then
706                 return nil
707         end
708         return key
709 end
710
711 wpakey.write = function(self, section, value)
712         self.map.uci:set("wireless", section, "key", value)
713         self.map.uci:delete("wireless", section, "key1")
714 end
715
716
717 wepslot = s:taboption("encryption", ListValue, "_wep_key", translate("Used Key Slot"))
718 wepslot:depends("encryption", "wep-open")
719 wepslot:depends("encryption", "wep-shared")
720 wepslot:value("1", translatef("Key #%d", 1))
721 wepslot:value("2", translatef("Key #%d", 2))
722 wepslot:value("3", translatef("Key #%d", 3))
723 wepslot:value("4", translatef("Key #%d", 4))
724
725 wepslot.cfgvalue = function(self, section)
726         local slot = tonumber(m.uci:get("wireless", section, "key"))
727         if not slot or slot < 1 or slot > 4 then
728                 return 1
729         end
730         return slot
731 end
732
733 wepslot.write = function(self, section, value)
734         self.map.uci:set("wireless", section, "key", value)
735 end
736
737 local slot
738 for slot=1,4 do
739         wepkey = s:taboption("encryption", Value, "key" .. slot, translatef("Key #%d", slot))
740         wepkey:depends("encryption", "wep-open")
741         wepkey:depends("encryption", "wep-shared")
742         wepkey.datatype = "wepkey"
743         wepkey.rmempty = true
744         wepkey.password = true
745
746         function wepkey.write(self, section, value)
747                 if value and (#value == 5 or #value == 13) then
748                         value = "s:" .. value
749                 end
750                 return Value.write(self, section, value)
751         end
752 end
753
754
755 if hwtype == "mac80211" or hwtype == "prism2" then
756
757         -- Probe 802.11r support (and EAP support as a proxy for Openwrt)
758         local has_80211r = (os.execute("hostapd -v11r 2>/dev/null || hostapd -veap 2>/dev/null") == 0)
759
760         ieee80211r = s:taboption("encryption", Flag, "ieee80211r",
761                 translate("802.11r Fast Transition"),
762                 translate("Enables fast roaming among access points that belong " ..
763                         "to the same Mobility Domain"))
764         ieee80211r:depends({mode="ap", encryption="wpa"})
765         ieee80211r:depends({mode="ap", encryption="wpa2"})
766         ieee80211r:depends({mode="ap-wds", encryption="wpa"})
767         ieee80211r:depends({mode="ap-wds", encryption="wpa2"})
768         if has_80211r then
769                 ieee80211r:depends({mode="ap", encryption="psk"})
770                 ieee80211r:depends({mode="ap", encryption="psk2"})
771                 ieee80211r:depends({mode="ap", encryption="psk-mixed"})
772                 ieee80211r:depends({mode="ap-wds", encryption="psk"})
773                 ieee80211r:depends({mode="ap-wds", encryption="psk2"})
774                 ieee80211r:depends({mode="ap-wds", encryption="psk-mixed"})
775         end
776         ieee80211r.rmempty = true
777
778         nasid = s:taboption("encryption", Value, "nasid", translate("NAS ID"),
779                 translate("Used for two different purposes: RADIUS NAS ID and " ..
780                         "802.11r R0KH-ID. Not needed with normal WPA(2)-PSK."))
781         nasid:depends({mode="ap", encryption="wpa"})
782         nasid:depends({mode="ap", encryption="wpa2"})
783         nasid:depends({mode="ap-wds", encryption="wpa"})
784         nasid:depends({mode="ap-wds", encryption="wpa2"})
785         nasid:depends({ieee80211r="1"})
786         nasid.rmempty = true
787
788         mobility_domain = s:taboption("encryption", Value, "mobility_domain",
789                         translate("Mobility Domain"),
790                         translate("4-character hexadecimal ID"))
791         mobility_domain:depends({ieee80211r="1"})
792         mobility_domain.placeholder = "4f57"
793         mobility_domain.datatype = "and(hexstring,rangelength(4,4))"
794         mobility_domain.rmempty = true
795
796         r0_key_lifetime = s:taboption("encryption", Value, "r0_key_lifetime",
797                         translate("R0 Key Lifetime"), translate("minutes"))
798         r0_key_lifetime:depends({ieee80211r="1"})
799         r0_key_lifetime.placeholder = "10000"
800         r0_key_lifetime.datatype = "uinteger"
801         r0_key_lifetime.rmempty = true
802
803         r1_key_holder = s:taboption("encryption", Value, "r1_key_holder",
804                         translate("R1 Key Holder"),
805                         translate("6-octet identifier as a hex string - no colons"))
806         r1_key_holder:depends({ieee80211r="1"})
807         r1_key_holder.placeholder = "00004f577274"
808         r1_key_holder.datatype = "and(hexstring,rangelength(12,12))"
809         r1_key_holder.rmempty = true
810
811         reassociation_deadline = s:taboption("encryption", Value, "reassociation_deadline",
812                 translate("Reassociation Deadline"),
813                 translate("time units (TUs / 1.024 ms) [1000-65535]"))
814         reassociation_deadline:depends({ieee80211r="1"})
815         reassociation_deadline.placeholder = "1000"
816         reassociation_deadline.datatype = "range(1000,65535)"
817         reassociation_deadline.rmempty = true
818
819         pmk_r1_push = s:taboption("encryption", Flag, "pmk_r1_push", translate("PMK R1 Push"))
820         pmk_r1_push:depends({ieee80211r="1"})
821         pmk_r1_push.placeholder = "0"
822         pmk_r1_push.rmempty = true
823
824         r0kh = s:taboption("encryption", DynamicList, "r0kh", translate("External R0 Key Holder List"),
825                 translate("List of R0KHs in the same Mobility Domain. " ..
826                         "<br />Format: MAC-address,NAS-Identifier,128-bit key as hex string. " ..
827                         "<br />This list is used to map R0KH-ID (NAS Identifier) to a destination " ..
828                         "MAC address when requesting PMK-R1 key from the R0KH that the STA " ..
829                         "used during the Initial Mobility Domain Association."))
830
831         r0kh:depends({ieee80211r="1"})
832         r0kh.rmempty = true
833
834         r1kh = s:taboption("encryption", DynamicList, "r1kh", translate("External R1 Key Holder List"),
835                 translate ("List of R1KHs in the same Mobility Domain. "..
836                         "<br />Format: MAC-address,R1KH-ID as 6 octets with colons,128-bit key as hex string. "..
837                         "<br />This list is used to map R1KH-ID to a destination MAC address " ..
838                         "when sending PMK-R1 key from the R0KH. This is also the " ..
839                         "list of authorized R1KHs in the MD that can request PMK-R1 keys."))
840         r1kh:depends({ieee80211r="1"})
841         r1kh.rmempty = true
842         -- End of 802.11r options
843
844         eaptype = s:taboption("encryption", ListValue, "eap_type", translate("EAP-Method"))
845         eaptype:value("tls",  "TLS")
846         eaptype:value("ttls", "TTLS")
847         eaptype:value("peap", "PEAP")
848         eaptype:value("fast", "FAST")
849         eaptype:depends({mode="sta", encryption="wpa"})
850         eaptype:depends({mode="sta", encryption="wpa2"})
851         eaptype:depends({mode="sta-wds", encryption="wpa"})
852         eaptype:depends({mode="sta-wds", encryption="wpa2"})
853
854         cacert = s:taboption("encryption", FileUpload, "ca_cert", translate("Path to CA-Certificate"))
855         cacert:depends({mode="sta", encryption="wpa"})
856         cacert:depends({mode="sta", encryption="wpa2"})
857         cacert:depends({mode="sta-wds", encryption="wpa"})
858         cacert:depends({mode="sta-wds", encryption="wpa2"})
859         cacert.rmempty = true
860
861         clientcert = s:taboption("encryption", FileUpload, "client_cert", translate("Path to Client-Certificate"))
862         clientcert:depends({mode="sta", eap_type="tls", encryption="wpa"})
863         clientcert:depends({mode="sta", eap_type="tls", encryption="wpa2"})
864         clientcert:depends({mode="sta-wds", eap_type="tls", encryption="wpa"})
865         clientcert:depends({mode="sta-wds", eap_type="tls", encryption="wpa2"})
866
867         privkey = s:taboption("encryption", FileUpload, "priv_key", translate("Path to Private Key"))
868         privkey:depends({mode="sta", eap_type="tls", encryption="wpa2"})
869         privkey:depends({mode="sta", eap_type="tls", encryption="wpa"})
870         privkey:depends({mode="sta-wds", eap_type="tls", encryption="wpa2"})
871         privkey:depends({mode="sta-wds", eap_type="tls", encryption="wpa"})
872
873         privkeypwd = s:taboption("encryption", Value, "priv_key_pwd", translate("Password of Private Key"))
874         privkeypwd:depends({mode="sta", eap_type="tls", encryption="wpa2"})
875         privkeypwd:depends({mode="sta", eap_type="tls", encryption="wpa"})
876         privkeypwd:depends({mode="sta-wds", eap_type="tls", encryption="wpa2"})
877         privkeypwd:depends({mode="sta-wds", eap_type="tls", encryption="wpa"})
878         privkeypwd.rmempty = true
879         privkeypwd.password = true
880
881         auth = s:taboption("encryption", ListValue, "auth", translate("Authentication"))
882         auth:value("PAP", "PAP", {eap_type="ttls"})
883         auth:value("CHAP", "CHAP", {eap_type="ttls"})
884         auth:value("MSCHAP", "MSCHAP", {eap_type="ttls"})
885         auth:value("MSCHAPV2", "MSCHAPv2", {eap_type="ttls"})
886         auth:value("EAP-GTC")
887         auth:value("EAP-MD5")
888         auth:value("EAP-MSCHAPV2")
889         auth:value("EAP-TLS")
890         auth:depends({mode="sta", eap_type="fast", encryption="wpa2"})
891         auth:depends({mode="sta", eap_type="fast", encryption="wpa"})
892         auth:depends({mode="sta", eap_type="peap", encryption="wpa2"})
893         auth:depends({mode="sta", eap_type="peap", encryption="wpa"})
894         auth:depends({mode="sta", eap_type="ttls", encryption="wpa2"})
895         auth:depends({mode="sta", eap_type="ttls", encryption="wpa"})
896         auth:depends({mode="sta-wds", eap_type="fast", encryption="wpa2"})
897         auth:depends({mode="sta-wds", eap_type="fast", encryption="wpa"})
898         auth:depends({mode="sta-wds", eap_type="peap", encryption="wpa2"})
899         auth:depends({mode="sta-wds", eap_type="peap", encryption="wpa"})
900         auth:depends({mode="sta-wds", eap_type="ttls", encryption="wpa2"})
901         auth:depends({mode="sta-wds", eap_type="ttls", encryption="wpa"})
902
903         cacert2 = s:taboption("encryption", FileUpload, "ca_cert2", translate("Path to inner CA-Certificate"))
904         cacert2:depends({mode="sta", auth="EAP-TLS", encryption="wpa"})
905         cacert2:depends({mode="sta", auth="EAP-TLS", encryption="wpa2"})
906         cacert2:depends({mode="sta-wds", auth="EAP-TLS", encryption="wpa"})
907         cacert2:depends({mode="sta-wds", auth="EAP-TLS", encryption="wpa2"})
908
909         clientcert2 = s:taboption("encryption", FileUpload, "client_cert2", translate("Path to inner Client-Certificate"))
910         clientcert2:depends({mode="sta", auth="EAP-TLS", encryption="wpa"})
911         clientcert2:depends({mode="sta", auth="EAP-TLS", encryption="wpa2"})
912         clientcert2:depends({mode="sta-wds", auth="EAP-TLS", encryption="wpa"})
913         clientcert2:depends({mode="sta-wds", auth="EAP-TLS", encryption="wpa2"})
914
915         privkey2 = s:taboption("encryption", FileUpload, "priv_key2", translate("Path to inner Private Key"))
916         privkey2:depends({mode="sta", auth="EAP-TLS", encryption="wpa"})
917         privkey2:depends({mode="sta", auth="EAP-TLS", encryption="wpa2"})
918         privkey2:depends({mode="sta-wds", auth="EAP-TLS", encryption="wpa"})
919         privkey2:depends({mode="sta-wds", auth="EAP-TLS", encryption="wpa2"})
920
921         privkeypwd2 = s:taboption("encryption", Value, "priv_key2_pwd", translate("Password of inner Private Key"))
922         privkeypwd2:depends({mode="sta", auth="EAP-TLS", encryption="wpa"})
923         privkeypwd2:depends({mode="sta", auth="EAP-TLS", encryption="wpa2"})
924         privkeypwd2:depends({mode="sta-wds", auth="EAP-TLS", encryption="wpa"})
925         privkeypwd2:depends({mode="sta-wds", auth="EAP-TLS", encryption="wpa2"})
926         privkeypwd2.rmempty = true
927         privkeypwd2.password = true
928
929         identity = s:taboption("encryption", Value, "identity", translate("Identity"))
930         identity:depends({mode="sta", eap_type="fast", encryption="wpa2"})
931         identity:depends({mode="sta", eap_type="fast", encryption="wpa"})
932         identity:depends({mode="sta", eap_type="peap", encryption="wpa2"})
933         identity:depends({mode="sta", eap_type="peap", encryption="wpa"})
934         identity:depends({mode="sta", eap_type="ttls", encryption="wpa2"})
935         identity:depends({mode="sta", eap_type="ttls", encryption="wpa"})
936         identity:depends({mode="sta-wds", eap_type="fast", encryption="wpa2"})
937         identity:depends({mode="sta-wds", eap_type="fast", encryption="wpa"})
938         identity:depends({mode="sta-wds", eap_type="peap", encryption="wpa2"})
939         identity:depends({mode="sta-wds", eap_type="peap", encryption="wpa"})
940         identity:depends({mode="sta-wds", eap_type="ttls", encryption="wpa2"})
941         identity:depends({mode="sta-wds", eap_type="ttls", encryption="wpa"})
942         identity:depends({mode="sta", eap_type="tls", encryption="wpa2"})
943         identity:depends({mode="sta", eap_type="tls", encryption="wpa"})
944         identity:depends({mode="sta-wds", eap_type="tls", encryption="wpa2"})
945         identity:depends({mode="sta-wds", eap_type="tls", encryption="wpa"})
946
947         anonymous_identity = s:taboption("encryption", Value, "anonymous_identity", translate("Anonymous Identity"))
948         anonymous_identity:depends({mode="sta", eap_type="fast", encryption="wpa2"})
949         anonymous_identity:depends({mode="sta", eap_type="fast", encryption="wpa"})
950         anonymous_identity:depends({mode="sta", eap_type="peap", encryption="wpa2"})
951         anonymous_identity:depends({mode="sta", eap_type="peap", encryption="wpa"})
952         anonymous_identity:depends({mode="sta", eap_type="ttls", encryption="wpa2"})
953         anonymous_identity:depends({mode="sta", eap_type="ttls", encryption="wpa"})
954         anonymous_identity:depends({mode="sta-wds", eap_type="fast", encryption="wpa2"})
955         anonymous_identity:depends({mode="sta-wds", eap_type="fast", encryption="wpa"})
956         anonymous_identity:depends({mode="sta-wds", eap_type="peap", encryption="wpa2"})
957         anonymous_identity:depends({mode="sta-wds", eap_type="peap", encryption="wpa"})
958         anonymous_identity:depends({mode="sta-wds", eap_type="ttls", encryption="wpa2"})
959         anonymous_identity:depends({mode="sta-wds", eap_type="ttls", encryption="wpa"})
960         anonymous_identity:depends({mode="sta", eap_type="tls", encryption="wpa2"})
961         anonymous_identity:depends({mode="sta", eap_type="tls", encryption="wpa"})
962         anonymous_identity:depends({mode="sta-wds", eap_type="tls", encryption="wpa2"})
963         anonymous_identity:depends({mode="sta-wds", eap_type="tls", encryption="wpa"})
964
965         password = s:taboption("encryption", Value, "password", translate("Password"))
966         password:depends({mode="sta", eap_type="fast", encryption="wpa2"})
967         password:depends({mode="sta", eap_type="fast", encryption="wpa"})
968         password:depends({mode="sta", eap_type="peap", encryption="wpa2"})
969         password:depends({mode="sta", eap_type="peap", encryption="wpa"})
970         password:depends({mode="sta", eap_type="ttls", encryption="wpa2"})
971         password:depends({mode="sta", eap_type="ttls", encryption="wpa"})
972         password:depends({mode="sta-wds", eap_type="fast", encryption="wpa2"})
973         password:depends({mode="sta-wds", eap_type="fast", encryption="wpa"})
974         password:depends({mode="sta-wds", eap_type="peap", encryption="wpa2"})
975         password:depends({mode="sta-wds", eap_type="peap", encryption="wpa"})
976         password:depends({mode="sta-wds", eap_type="ttls", encryption="wpa2"})
977         password:depends({mode="sta-wds", eap_type="ttls", encryption="wpa"})
978         password.rmempty = true
979         password.password = true
980 end
981
982 -- ieee802.11w options
983 if hwtype == "mac80211" then
984    local has_80211w = (os.execute("hostapd -v11w 2>/dev/null || hostapd -veap 2>/dev/null") == 0)
985    if has_80211w then
986         ieee80211w = s:taboption("encryption", ListValue, "ieee80211w",
987                 translate("802.11w Management Frame Protection"),
988                 translate("Requires the 'full' version of wpad/hostapd " ..
989                         "and support from the wifi driver <br />(as of Feb 2017: " ..
990                         "ath9k and ath10k, in LEDE also mwlwifi and mt76)"))
991         ieee80211w.default = ""
992         ieee80211w.rmempty = true
993         ieee80211w:value("", translate("Disabled (default)"))
994         ieee80211w:value("1", translate("Optional"))
995         ieee80211w:value("2", translate("Required"))
996         ieee80211w:depends({mode="ap", encryption="wpa2"})
997         ieee80211w:depends({mode="ap-wds", encryption="wpa2"})
998         ieee80211w:depends({mode="ap", encryption="psk2"})
999         ieee80211w:depends({mode="ap", encryption="psk-mixed"})
1000         ieee80211w:depends({mode="ap-wds", encryption="psk2"})
1001         ieee80211w:depends({mode="ap-wds", encryption="psk-mixed"})
1002
1003         max_timeout = s:taboption("encryption", Value, "ieee80211w_max_timeout",
1004                         translate("802.11w maximum timeout"),
1005                         translate("802.11w Association SA Query maximum timeout"))
1006         max_timeout:depends({ieee80211w="1"})
1007         max_timeout:depends({ieee80211w="2"})
1008         max_timeout.datatype = "uinteger"
1009         max_timeout.placeholder = "1000"
1010         max_timeout.rmempty = true
1011
1012         retry_timeout = s:taboption("encryption", Value, "ieee80211w_retry_timeout",
1013                         translate("802.11w retry timeout"),
1014                         translate("802.11w Association SA Query retry timeout"))
1015         retry_timeout:depends({ieee80211w="1"})
1016         retry_timeout:depends({ieee80211w="2"})
1017         retry_timeout.datatype = "uinteger"
1018         retry_timeout.placeholder = "201"
1019         retry_timeout.rmempty = true
1020    end
1021 end
1022
1023 if hwtype == "mac80211" or hwtype == "prism2" then
1024         local wpasupplicant = fs.access("/usr/sbin/wpa_supplicant")
1025         local hostcli = fs.access("/usr/sbin/hostapd_cli")
1026         if hostcli and wpasupplicant then
1027                 wps = s:taboption("encryption", Flag, "wps_pushbutton", translate("Enable WPS pushbutton, requires WPA(2)-PSK"))
1028                 wps.enabled = "1"
1029                 wps.disabled = "0"
1030                 wps.rmempty = false
1031                 wps:depends("encryption", "psk")
1032                 wps:depends("encryption", "psk2")
1033                 wps:depends("encryption", "psk-mixed")
1034         end
1035 end
1036
1037 return m