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

   1 --[[
   2 LuCI - Lua Configuration Interface
   3
   4 Copyright 2008 Steven Barth <steven@midlink.org>
   5
   6 Licensed under the Apache License, Version 2.0 (the "License");
   7 you may not use this file except in compliance with the License.
   8 You may obtain a copy of the License at
   9
  10         http://www.apache.org/licenses/LICENSE-2.0
  11
  12 $Id$
  13 ]]--
  14
  15 module("luci.controller.admin.network", package.seeall)
  16
  17 function index()
  18         require("luci.i18n")
  19         local uci = require("luci.model.uci").cursor()
  20         local net = require "luci.model.network".init(uci)
  21         local i18n = luci.i18n.translate
  22         local has_wifi = nixio.fs.stat("/etc/config/wireless")
  23         local has_switch = false
  24
  25         uci:foreach("network", "switch",
  26                 function(s)
  27                         has_switch = true
  28                         return false
  29                 end
  30         )
  31
  32         local page
  33
  34         page = node("admin", "network")
  35         page.target = alias("admin", "network", "network")
  36         page.title  = i18n("Network")
  37         page.order  = 50
  38         page.index  = true
  39
  40         if has_switch then
  41                 page  = node("admin", "network", "vlan")
  42                 page.target = cbi("admin_network/vlan")
  43                 page.title  = i18n("Switch")
  44                 page.order  = 20
  45         end
  46
  47         if has_wifi and has_wifi.size > 0 then
  48                 page = entry({"admin", "network", "wireless"}, arcombine(template("admin_network/wifi_overview"), cbi("admin_network/wifi")), i18n("Wifi"), 15)
  49                 page.leaf = true
  50                 page.subindex = true
  51
  52                 page = entry({"admin", "network", "wireless_join"}, call("wifi_join"), nil, 16)
  53                 page.leaf = true
  54
  55                 page = entry({"admin", "network", "wireless_add"}, call("wifi_add"), nil, 16)
  56                 page.leaf = true
  57
  58                 page = entry({"admin", "network", "wireless_delete"}, call("wifi_delete"), nil, 16)
  59                 page.leaf = true
  60
  61                 page = entry({"admin", "network", "wireless_status"}, call("wifi_status"), nil, 16)
  62                 page.leaf = true
  63
  64                 local wdev
  65                 for _, wdev in ipairs(net:get_wifidevs()) do
  66                         local wnet
  67                         for _, wnet in ipairs(wdev:get_wifinets()) do
  68                                 entry(
  69                                         {"admin", "network", "wireless", wnet.netid},
  70                                         alias("admin", "network", "wireless"),
  71                                         wdev:name() .. ": " .. wnet:shortname()
  72                                 )
  73                         end
  74                 end
  75         end
  76
  77         page = entry({"admin", "network", "network"}, arcombine(cbi("admin_network/network"), cbi("admin_network/ifaces")), i18n("Interfaces"), 10)
  78         page.leaf   = true
  79         page.subindex = true
  80
  81         page = entry({"admin", "network", "iface_add"}, cbi("admin_network/iface_add"), nil)
  82         page.leaf = true
  83
  84         page = entry({"admin", "network", "iface_delete"}, call("iface_delete"), nil)
  85         page.leaf = true
  86
  87         page = entry({"admin", "network", "iface_status"}, call("iface_status"), nil)
  88         page.leaf = true
  89
  90         page = entry({"admin", "network", "iface_reconnect"}, call("iface_reconnect"), nil)
  91         page.leaf = true
  92
  93         page = entry({"admin", "network", "iface_shutdown"}, call("iface_shutdown"), nil)
  94         page.leaf = true
  95
  96         uci:foreach("network", "interface",
  97                 function (section)
  98                         local ifc = section[".name"]
  99                         if ifc ~= "loopback" then
 100                                 entry({"admin", "network", "network", ifc},
 101                                  true,
 102                                  ifc:upper())
 103                         end
 104                 end
 105         )
 106
 107         if nixio.fs.access("/etc/config/dhcp") then
 108                 page = node("admin", "network", "dhcpleases")
 109                 page.target = cbi("admin_network/dhcpleases")
 110                 page.title  = i18n("DHCP Leases")
 111                 page.order  = 30
 112
 113                 page = entry({"admin", "network", "dhcplease_status"}, call("lease_status"), nil)
 114                 page.leaf = true
 115
 116                 page = node("admin", "network", "hosts")
 117                 page.target = cbi("admin_network/hosts")
 118                 page.title  = i18n("Hostnames")
 119                 page.order  = 40
 120         end
 121
 122         page  = node("admin", "network", "routes")
 123         page.target = cbi("admin_network/routes")
 124         page.title  = i18n("Static Routes")
 125         page.order  = 50
 126
 127         page = node("admin", "network", "diagnostics")
 128         page.target = template("admin_network/diagnostics")
 129         page.title  = i18n("Diagnostics")
 130         page.order  = 60
 131
 132         page = entry({"admin", "network", "diag_ping"}, call("diag_ping"), nil)
 133         page.leaf = true
 134
 135         page = entry({"admin", "network", "diag_nslookup"}, call("diag_nslookup"), nil)
 136         page.leaf = true
 137
 138         page = entry({"admin", "network", "diag_traceroute"}, call("diag_traceroute"), nil)
 139         page.leaf = true
 140 end
 141
 142 function wifi_join()
 143         local function param(x)
 144                 return luci.http.formvalue(x)
 145         end
 146
 147         local function ptable(x)
 148                 x = param(x)
 149                 return x and (type(x) ~= "table" and { x } or x) or {}
 150         end
 151
 152         local dev  = param("device")
 153         local ssid = param("join")
 154
 155         if dev and ssid then
 156                 local cancel  = (param("cancel") or param("cbi.cancel")) and true or false
 157
 158                 if cancel then
 159                         luci.http.redirect(luci.dispatcher.build_url("admin/network/wireless_join?device=" .. dev))
 160                 else
 161                         local cbi = require "luci.cbi"
 162                         local tpl = require "luci.template"
 163                         local map = luci.cbi.load("admin_network/wifi_add")[1]
 164
 165                         if map:parse() ~= cbi.FORM_DONE then
 166                                 tpl.render("header")
 167                                 map:render()
 168                                 tpl.render("footer")
 169                         end
 170                 end
 171         else
 172                 luci.template.render("admin_network/wifi_join")
 173         end
 174 end
 175
 176 function wifi_add()
 177         local dev = luci.http.formvalue("device")
 178         local ntm = require "luci.model.network".init()
 179
 180         dev = dev and ntm:get_wifidev(dev)
 181
 182         if dev then
 183                 local net = dev:add_wifinet({
 184                         mode       = "ap",
 185                         ssid       = "OpenWrt",
 186                         encryption = "none"
 187                 })
 188
 189                 ntm:save("wireless")
 190                 luci.http.redirect(net:adminlink())
 191         end
 192 end
 193
 194 function wifi_delete(network)
 195         local ntm = require "luci.model.network".init()
 196
 197         ntm:del_wifinet(network)
 198         ntm:save("wireless")
 199
 200         luci.http.redirect(luci.dispatcher.build_url("admin/network/wireless"))
 201 end
 202
 203 function iface_status()
 204         local path = luci.dispatcher.context.requestpath
 205         local netm = require "luci.model.network".init()
 206         local rv   = { }
 207
 208         local iface
 209         for iface in path[#path]:gmatch("[%w%.%-]+") do
 210                 local net = netm:get_network(iface)
 211                 if net then
 212                         local info
 213                         local dev  = net:ifname()
 214                         local data = { id = iface, uptime = net:uptime() }
 215                         for _, info in ipairs(nixio.getifaddrs()) do
 216                                 local name = info.name:match("[^:]+")
 217                                 if name == dev then
 218                                         if info.family == "packet" then
 219                                                 data.flags   = info.flags
 220                                                 data.stats   = info.data
 221                                                 data.macaddr = info.addr
 222                                                 data.ifname  = name
 223                                         elseif info.family == "inet" then
 224                                                 data.ipaddrs = data.ipaddrs or { }
 225                                                 data.ipaddrs[#data.ipaddrs+1] = {
 226                                                         addr      = info.addr,
 227                                                         broadaddr = info.broadaddr,
 228                                                         dstaddr   = info.dstaddr,
 229                                                         netmask   = info.netmask,
 230                                                         prefix    = info.prefix
 231                                                 }
 232                                         elseif info.family == "inet6" then
 233                                                 data.ip6addrs = data.ip6addrs or { }
 234                                                 data.ip6addrs[#data.ip6addrs+1] = {
 235                                                         addr    = info.addr,
 236                                                         netmask = info.netmask,
 237                                                         prefix  = info.prefix
 238                                                 }
 239                                         end
 240                                 end
 241                         end
 242
 243                         if next(data) then
 244                                 rv[#rv+1] = data
 245                         end
 246                 end
 247         end
 248
 249         if #rv > 0 then
 250                 luci.http.prepare_content("application/json")
 251                 luci.http.write_json(rv)
 252                 return
 253         end
 254
 255         luci.http.status(404, "No such device")
 256 end
 257
 258 function iface_reconnect()
 259         local path  = luci.dispatcher.context.requestpath
 260         local iface = path[#path]
 261         local netmd = require "luci.model.network".init()
 262
 263         local net = netmd:get_network(iface)
 264         if net then
 265                 local ifn
 266                 for _, ifn in ipairs(net:get_interfaces()) do
 267                         local wnet = ifn:get_wifinet()
 268                         if wnet then
 269                                 local wdev = wnet:get_device()
 270                                 if wdev then
 271                                         luci.sys.call(
 272                                                 "env -i /sbin/wifi up %q >/dev/null 2>/dev/null"
 273                                                         % wdev:name()
 274                                         )
 275
 276                                         luci.http.status(200, "Reconnected")
 277                                         return
 278                                 end
 279                         end
 280                 end
 281
 282                 luci.sys.call("env -i /sbin/ifup %q >/dev/null 2>/dev/null" % iface)
 283                 luci.http.status(200, "Reconnected")
 284                 return
 285         end
 286
 287         luci.http.status(404, "No such interface")
 288 end
 289
 290 function iface_shutdown()
 291         local path  = luci.dispatcher.context.requestpath
 292         local iface = path[#path]
 293         local netmd = require "luci.model.network".init()
 294
 295         local net = netmd:get_network(iface)
 296         if net then
 297                 luci.sys.call("env -i /sbin/ifdown %q >/dev/null 2>/dev/null" % iface)
 298                 luci.http.status(200, "Shutdown")
 299                 return
 300         end
 301
 302         luci.http.status(404, "No such interface")
 303 end
 304
 305 function iface_delete()
 306         local path  = luci.dispatcher.context.requestpath
 307         local iface = path[#path]
 308         local netmd = require "luci.model.network".init()
 309
 310         local net = netmd:del_network(iface)
 311         if net then
 312                 luci.sys.call("env -i /sbin/ifdown %q >/dev/null 2>/dev/null" % iface)
 313                 luci.http.redirect(luci.dispatcher.build_url("admin/network/network"))
 314                 netmd:commit("network")
 315                 netmd:commit("wireless")
 316                 return
 317         end
 318
 319         luci.http.status(404, "No such interface")
 320 end
 321
 322 function wifi_status()
 323         local netm  = require "luci.model.network".init()
 324         local path = luci.dispatcher.context.requestpath
 325         local arp  = luci.sys.net.arptable()
 326         local rv   = { }
 327
 328         local dev
 329         for dev in path[#path]:gmatch("[%w%.%-]+") do
 330                 local j = { id = dev }
 331                 local wn = netm:get_wifinet(dev)
 332                 local iw = wn and wn.iwinfo
 333                 if iw then
 334                         local f
 335                         for _, f in ipairs({
 336                                 "channel", "frequency", "txpower", "bitrate", "signal", "noise",
 337                                 "quality", "quality_max", "bssid", "country",
 338                                 "encryption", "ifname", "assoclist"
 339                         }) do
 340                                 j[f] = iw[f]
 341                         end
 342                 end
 343
 344                 j.mode = wn and wn:active_mode() or "?"
 345                 j.ssid = wn and wn:active_ssid() or "?"
 346
 347                 rv[#rv+1] = j
 348         end
 349
 350         if #rv > 0 then
 351                 luci.http.prepare_content("application/json")
 352                 luci.http.write_json(rv)
 353                 return
 354         end
 355
 356         luci.http.status(404, "No such device")
 357 end
 358
 359 function lease_status()
 360         local rv = { }
 361         local leasefile = "/var/dhcp.leases"
 362
 363         local uci = require "luci.model.uci".cursor()
 364         local nfs = require "nixio.fs"
 365
 366         uci:foreach("dhcp", "dnsmasq",
 367                 function(s)
 368                         if s.leasefile and nfs.access(s.leasefile) then
 369                                 leasefile = s.leasefile
 370                                 return false
 371                         end
 372                 end)
 373
 374         local fd = io.open(leasefile, "r")
 375         if fd then
 376                 while true do
 377                         local ln = fd:read("*l")
 378                         if not ln then
 379                                 break
 380                         else
 381                                 local ts, mac, ip, name = ln:match("^(%d+) (%S+) (%S+) (%S+)")
 382                                 if ts and mac and ip and name then
 383                                         rv[#rv+1] = {
 384                                                 expires  = os.difftime(tonumber(ts) or 0, os.time()),
 385                                                 macaddr  = mac,
 386                                                 ipaddr   = ip,
 387                                                 hostname = (name ~= "*") and name
 388                                         }
 389                                 end
 390                         end
 391                 end
 392                 fd:close()
 393         end
 394
 395         luci.http.prepare_content("application/json")
 396         luci.http.write_json(rv)
 397 end
 398
 399 function diag_command(cmd)
 400         local path = luci.dispatcher.context.requestpath
 401         local addr = path[#path]
 402
 403         if addr and addr:match("^[a-zA-Z0-9%-%.:_]+$") then
 404                 luci.http.prepare_content("text/plain")
 405
 406                 local util = io.popen(cmd % addr)
 407                 if util then
 408                         while true do
 409                                 local ln = util:read("*l")
 410                                 if not ln then break end
 411                                 luci.http.write(ln)
 412                                 luci.http.write("\n")
 413                         end
 414
 415                         util:close()
 416                 end
 417
 418                 return
 419         end
 420
 421         luci.http.status(500, "Bad address")
 422 end
 423
 424 function diag_ping()
 425         diag_command("ping -c 5 -W 1 %q 2>&1")
 426 end
 427
 428 function diag_traceroute()
 429         diag_command("traceroute -q 1 -w 1 -n %q 2>&1")
 430 end
 431
 432 function diag_nslookup()
 433         diag_command("nslookup %q 2>&1")
 434 end