modules/luci-base/luasrc/tools/status.lua

   1 -- Copyright 2011 Jo-Philipp Wich <jow@openwrt.org>
   2 -- Licensed to the public under the Apache License 2.0.
   3
   4 module("luci.tools.status", package.seeall)
   5
   6 local uci = require "luci.model.uci".cursor()
   7
   8 local function dhcp_leases_common(family)
   9         local rv = { }
  10         local nfs = require "nixio.fs"
  11         local leasefile = "/var/dhcp.leases"
  12
  13         uci:foreach("dhcp", "dnsmasq",
  14                 function(s)
  15                         if s.leasefile and nfs.access(s.leasefile) then
  16                                 leasefile = s.leasefile
  17                                 return false
  18                         end
  19                 end)
  20
  21         local fd = io.open(leasefile, "r")
  22         if fd then
  23                 while true do
  24                         local ln = fd:read("*l")
  25                         if not ln then
  26                                 break
  27                         else
  28                                 local ts, mac, ip, name, duid = ln:match("^(%d+) (%S+) (%S+) (%S+) (%S+)")
  29                                 if ts and mac and ip and name and duid then
  30                                         if family == 4 and not ip:match(":") then
  31                                                 rv[#rv+1] = {
  32                                                         expires  = os.difftime(tonumber(ts) or 0, os.time()),
  33                                                         macaddr  = mac,
  34                                                         ipaddr   = ip,
  35                                                         hostname = (name ~= "*") and name
  36                                                 }
  37                                         elseif family == 6 and ip:match(":") then
  38                                                 rv[#rv+1] = {
  39                                                         expires  = os.difftime(tonumber(ts) or 0, os.time()),
  40                                                         ip6addr  = ip,
  41                                                         duid     = (duid ~= "*") and duid,
  42                                                         hostname = (name ~= "*") and name
  43                                                 }
  44                                         end
  45                                 end
  46                         end
  47                 end
  48                 fd:close()
  49         end
  50
  51         local fd = io.open("/tmp/hosts/odhcpd", "r")
  52         if fd then
  53                 while true do
  54                         local ln = fd:read("*l")
  55                         if not ln then
  56                                 break
  57                         else
  58                                 local iface, duid, iaid, name, ts, id, length, ip = ln:match("^# (%S+) (%S+) (%S+) (%S+) (%d+) (%S+) (%S+) (.*)")
  59                                 if ip and iaid ~= "ipv4" and family == 6 then
  60                                         rv[#rv+1] = {
  61                                                 expires  = os.difftime(tonumber(ts) or 0, os.time()),
  62                                                 duid     = duid,
  63                                                 ip6addr  = ip,
  64                                                 hostname = (name ~= "-") and name
  65                                         }
  66                                 elseif ip and iaid == "ipv4" and family == 4 then
  67                                         rv[#rv+1] = {
  68                                                 expires  = os.difftime(tonumber(ts) or 0, os.time()),
  69                                                 macaddr  = duid,
  70                                                 ipaddr   = ip,
  71                                                 hostname = (name ~= "-") and name
  72                                         }
  73                                 end
  74                         end
  75                 end
  76                 fd:close()
  77         end
  78
  79         return rv
  80 end
  81
  82 function dhcp_leases()
  83         return dhcp_leases_common(4)
  84 end
  85
  86 function dhcp6_leases()
  87         return dhcp_leases_common(6)
  88 end
  89
  90 function wifi_networks()
  91         local rv = { }
  92         local ntm = require "luci.model.network".init()
  93
  94         local dev
  95         for _, dev in ipairs(ntm:get_wifidevs()) do
  96                 local rd = {
  97                         up       = dev:is_up(),
  98                         device   = dev:name(),
  99                         name     = dev:get_i18n(),
 100                         networks = { }
 101                 }
 102
 103                 local net
 104                 for _, net in ipairs(dev:get_wifinets()) do
 105                         rd.networks[#rd.networks+1] = {
 106                                 name       = net:shortname(),
 107                                 link       = net:adminlink(),
 108                                 up         = net:is_up(),
 109                                 mode       = net:active_mode(),
 110                                 ssid       = net:active_ssid(),
 111                                 bssid      = net:active_bssid(),
 112                                 encryption = net:active_encryption(),
 113                                 frequency  = net:frequency(),
 114                                 channel    = net:channel(),
 115                                 signal     = net:signal(),
 116                                 quality    = net:signal_percent(),
 117                                 noise      = net:noise(),
 118                                 bitrate    = net:bitrate(),
 119                                 ifname     = net:ifname(),
 120                                 assoclist  = net:assoclist(),
 121                                 country    = net:country(),
 122                                 txpower    = net:txpower(),
 123                                 txpoweroff = net:txpower_offset()
 124                         }
 125                 end
 126
 127                 rv[#rv+1] = rd
 128         end
 129
 130         return rv
 131 end
 132
 133 function wifi_network(id)
 134         local ntm = require "luci.model.network".init()
 135         local net = ntm:get_wifinet(id)
 136         if net then
 137                 local dev = net:get_device()
 138                 if dev then
 139                         return {
 140                                 id         = id,
 141                                 name       = net:shortname(),
 142                                 link       = net:adminlink(),
 143                                 up         = net:is_up(),
 144                                 mode       = net:active_mode(),
 145                                 ssid       = net:active_ssid(),
 146                                 bssid      = net:active_bssid(),
 147                                 encryption = net:active_encryption(),
 148                                 frequency  = net:frequency(),
 149                                 channel    = net:channel(),
 150                                 signal     = net:signal(),
 151                                 quality    = net:signal_percent(),
 152                                 noise      = net:noise(),
 153                                 bitrate    = net:bitrate(),
 154                                 ifname     = net:ifname(),
 155                                 assoclist  = net:assoclist(),
 156                                 country    = net:country(),
 157                                 txpower    = net:txpower(),
 158                                 txpoweroff = net:txpower_offset(),
 159                                 disabled   = (dev:get("disabled") == "1" or
 160                                               net:get("disabled") == "1"),
 161                                 device     = {
 162                                         up     = dev:is_up(),
 163                                         device = dev:name(),
 164                                         name   = dev:get_i18n()
 165                                 }
 166                         }
 167                 end
 168         end
 169         return { }
 170 end
 171
 172 function switch_status(devs)
 173         local dev
 174         local switches = { }
 175         for dev in devs:gmatch("[^%s,]+") do
 176                 local ports = { }
 177                 local swc = io.popen("swconfig dev %q show" % dev, "r")
 178                 if swc then
 179                         local l
 180                         repeat
 181                                 l = swc:read("*l")
 182                                 if l then
 183                                         local port, up = l:match("port:(%d+) link:(%w+)")
 184                                         if port then
 185                                                 local speed  = l:match(" speed:(%d+)")
 186                                                 local duplex = l:match(" (%w+)-duplex")
 187                                                 local txflow = l:match(" (txflow)")
 188                                                 local rxflow = l:match(" (rxflow)")
 189                                                 local auto   = l:match(" (auto)")
 190
 191                                                 ports[#ports+1] = {
 192                                                         port   = tonumber(port) or 0,
 193                                                         speed  = tonumber(speed) or 0,
 194                                                         link   = (up == "up"),
 195                                                         duplex = (duplex == "full"),
 196                                                         rxflow = (not not rxflow),
 197                                                         txflow = (not not txflow),
 198                                                         auto   = (not not auto)
 199                                                 }
 200                                         end
 201                                 end
 202                         until not l
 203                         swc:close()
 204                 end
 205                 switches[dev] = ports
 206         end
 207         return switches
 208 end