modules/base/luasrc/tools/status.lua

   1 --[[
   2 LuCI - Lua Configuration Interface
   3
   4 Copyright 2011 Jo-Philipp Wich <xm@subsignal.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 ]]--
  13
  14 module("luci.tools.status", package.seeall)
  15
  16 local uci = require "luci.model.uci".cursor()
  17
  18 local function dhcp_leases_common(family)
  19         local rv = { }
  20         local nfs = require "nixio.fs"
  21         local leasefile = "/var/dhcp.leases"
  22
  23         uci:foreach("dhcp", "dnsmasq",
  24                 function(s)
  25                         if s.leasefile and nfs.access(s.leasefile) then
  26                                 leasefile = s.leasefile
  27                                 return false
  28                         end
  29                 end)
  30
  31         local fd = io.open(leasefile, "r")
  32         if fd then
  33                 while true do
  34                         local ln = fd:read("*l")
  35                         if not ln then
  36                                 break
  37                         else
  38                                 local ts, mac, ip, name, duid = ln:match("^(%d+) (%S+) (%S+) (%S+) (%S+)")
  39                                 if ts and mac and ip and name and duid then
  40                                         if family == 4 and not ip:match(":") then
  41                                                 rv[#rv+1] = {
  42                                                         expires  = os.difftime(tonumber(ts) or 0, os.time()),
  43                                                         macaddr  = mac,
  44                                                         ipaddr   = ip,
  45                                                         hostname = (name ~= "*") and name
  46                                                 }
  47                                         elseif family == 6 and ip:match(":") then
  48                                                 rv[#rv+1] = {
  49                                                         expires  = os.difftime(tonumber(ts) or 0, os.time()),
  50                                                         ip6addr  = ip,
  51                                                         duid     = (duid ~= "*") and duid,
  52                                                         hostname = (name ~= "*") and name
  53                                                 }
  54                                         end
  55                                 end
  56                         end
  57                 end
  58                 fd:close()
  59         end
  60
  61         local fd = io.open("/tmp/hosts/odhcpd", "r")
  62         if fd then
  63                 while true do
  64                         local ln = fd:read("*l")
  65                         if not ln then
  66                                 break
  67                         else
  68                                 local iface, duid, iaid, name, ts, id, length, ip = ln:match("^# (%S+) (%S+) (%S+) (%S+) (%d+) (%S+) (%S+) (.*)")
  69                                 if ip and iaid ~= "ipv4" and family == 6 then
  70                                         rv[#rv+1] = {
  71                                                 expires  = os.difftime(tonumber(ts) or 0, os.time()),
  72                                                 duid     = duid,
  73                                                 ip6addr  = ip,
  74                                                 hostname = (name ~= "-") and name
  75                                         }
  76                                 elseif ip and iaid == "ipv4" and family == 4 then
  77                                         rv[#rv+1] = {
  78                                                 expires  = os.difftime(tonumber(ts) or 0, os.time()),
  79                                                 macaddr  = duid,
  80                                                 ipaddr   = ip,
  81                                                 hostname = (name ~= "-") and name
  82                                         }
  83                                 end
  84                         end
  85                 end
  86                 fd:close()
  87         end
  88
  89         return rv
  90 end
  91
  92 function dhcp_leases()
  93         return dhcp_leases_common(4)
  94 end
  95
  96 function dhcp6_leases()
  97         return dhcp_leases_common(6)
  98 end
  99
 100 function wifi_networks()
 101         local rv = { }
 102         local ntm = require "luci.model.network".init()
 103
 104         local dev
 105         for _, dev in ipairs(ntm:get_wifidevs()) do
 106                 local rd = {
 107                         up       = dev:is_up(),
 108                         device   = dev:name(),
 109                         name     = dev:get_i18n(),
 110                         networks = { }
 111                 }
 112
 113                 local net
 114                 for _, net in ipairs(dev:get_wifinets()) do
 115                         rd.networks[#rd.networks+1] = {
 116                                 name       = net:shortname(),
 117                                 link       = net:adminlink(),
 118                                 up         = net:is_up(),
 119                                 mode       = net:active_mode(),
 120                                 ssid       = net:active_ssid(),
 121                                 bssid      = net:active_bssid(),
 122                                 encryption = net:active_encryption(),
 123                                 frequency  = net:frequency(),
 124                                 channel    = net:channel(),
 125                                 signal     = net:signal(),
 126                                 quality    = net:signal_percent(),
 127                                 noise      = net:noise(),
 128                                 bitrate    = net:bitrate(),
 129                                 ifname     = net:ifname(),
 130                                 assoclist  = net:assoclist(),
 131                                 country    = net:country(),
 132                                 txpower    = net:txpower(),
 133                                 txpoweroff = net:txpower_offset()
 134                         }
 135                 end
 136
 137                 rv[#rv+1] = rd
 138         end
 139
 140         return rv
 141 end
 142
 143 function wifi_network(id)
 144         local ntm = require "luci.model.network".init()
 145         local net = ntm:get_wifinet(id)
 146         if net then
 147                 local dev = net:get_device()
 148                 if dev then
 149                         return {
 150                                 id         = id,
 151                                 name       = net:shortname(),
 152                                 link       = net:adminlink(),
 153                                 up         = net:is_up(),
 154                                 mode       = net:active_mode(),
 155                                 ssid       = net:active_ssid(),
 156                                 bssid      = net:active_bssid(),
 157                                 encryption = net:active_encryption(),
 158                                 frequency  = net:frequency(),
 159                                 channel    = net:channel(),
 160                                 signal     = net:signal(),
 161                                 quality    = net:signal_percent(),
 162                                 noise      = net:noise(),
 163                                 bitrate    = net:bitrate(),
 164                                 ifname     = net:ifname(),
 165                                 assoclist  = net:assoclist(),
 166                                 country    = net:country(),
 167                                 txpower    = net:txpower(),
 168                                 txpoweroff = net:txpower_offset(),
 169                                 disabled   = (dev:get("disabled") == "1" or
 170                                               net:get("disabled") == "1"),
 171                                 device     = {
 172                                         up     = dev:is_up(),
 173                                         device = dev:name(),
 174                                         name   = dev:get_i18n()
 175                                 }
 176                         }
 177                 end
 178         end
 179         return { }
 180 end
 181
 182 function switch_status(devs)
 183         local dev
 184         local switches = { }
 185         for dev in devs:gmatch("[^%s,]+") do
 186                 local ports = { }
 187                 local swc = io.popen("swconfig dev %q show" % dev, "r")
 188                 if swc then
 189                         local l
 190                         repeat
 191                                 l = swc:read("*l")
 192                                 if l then
 193                                         local port, up = l:match("port:(%d+) link:(%w+)")
 194                                         if port then
 195                                                 local speed  = l:match(" speed:(%d+)")
 196                                                 local duplex = l:match(" (%w+)-duplex")
 197                                                 local txflow = l:match(" (txflow)")
 198                                                 local rxflow = l:match(" (rxflow)")
 199                                                 local auto   = l:match(" (auto)")
 200
 201                                                 ports[#ports+1] = {
 202                                                         port   = tonumber(port) or 0,
 203                                                         speed  = tonumber(speed) or 0,
 204                                                         link   = (up == "up"),
 205                                                         duplex = (duplex == "full"),
 206                                                         rxflow = (not not rxflow),
 207                                                         txflow = (not not txflow),
 208                                                         auto   = (not not auto)
 209                                                 }
 210                                         end
 211                                 end
 212                         until not l
 213                         swc:close()
 214                 end
 215                 switches[dev] = ports
 216         end
 217         return switches
 218 end