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 lease6file = "/tmp/hosts/odhcpd"
  52         uci:foreach("dhcp", "odhcpd",
  53                 function(t)
  54                         if t.leasefile and nfs.access(t.leasefile) then
  55                                 lease6file = t.leasefile
  56                                 return false
  57                         end
  58                 end)
  59         local fd = io.open(lease6file, "r")
  60         if fd then
  61                 while true do
  62                         local ln = fd:read("*l")
  63                         if not ln then
  64                                 break
  65                         else
  66                                 local iface, duid, iaid, name, ts, id, length, ip = ln:match("^# (%S+) (%S+) (%S+) (%S+) (%d+) (%S+) (%S+) (.*)")
  67                                 if ip and iaid ~= "ipv4" and family == 6 then
  68                                         rv[#rv+1] = {
  69                                                 expires  = os.difftime(tonumber(ts) or 0, os.time()),
  70                                                 duid     = duid,
  71                                                 ip6addr  = ip,
  72                                                 hostname = (name ~= "-") and name
  73                                         }
  74                                 elseif ip and iaid == "ipv4" and family == 4 then
  75                                         rv[#rv+1] = {
  76                                                 expires  = os.difftime(tonumber(ts) or 0, os.time()),
  77                                                 macaddr  = duid,
  78                                                 ipaddr   = ip,
  79                                                 hostname = (name ~= "-") and name
  80                                         }
  81                                 end
  82                         end
  83                 end
  84                 fd:close()
  85         end
  86
  87         return rv
  88 end
  89
  90 function dhcp_leases()
  91         return dhcp_leases_common(4)
  92 end
  93
  94 function dhcp6_leases()
  95         return dhcp_leases_common(6)
  96 end
  97
  98 function wifi_networks()
  99         local rv = { }
 100         local ntm = require "luci.model.network".init()
 101
 102         local dev
 103         for _, dev in ipairs(ntm:get_wifidevs()) do
 104                 local rd = {
 105                         up       = dev:is_up(),
 106                         device   = dev:name(),
 107                         name     = dev:get_i18n(),
 108                         networks = { }
 109                 }
 110
 111                 local net
 112                 for _, net in ipairs(dev:get_wifinets()) do
 113                         rd.networks[#rd.networks+1] = {
 114                                 name       = net:shortname(),
 115                                 link       = net:adminlink(),
 116                                 up         = net:is_up(),
 117                                 mode       = net:active_mode(),
 118                                 ssid       = net:active_ssid(),
 119                                 bssid      = net:active_bssid(),
 120                                 encryption = net:active_encryption(),
 121                                 frequency  = net:frequency(),
 122                                 channel    = net:channel(),
 123                                 signal     = net:signal(),
 124                                 quality    = net:signal_percent(),
 125                                 noise      = net:noise(),
 126                                 bitrate    = net:bitrate(),
 127                                 ifname     = net:ifname(),
 128                                 assoclist  = net:assoclist(),
 129                                 country    = net:country(),
 130                                 txpower    = net:txpower(),
 131                                 txpoweroff = net:txpower_offset(),
 132                                 disabled   = (dev:get("disabled") == "1" or
 133                                              net:get("disabled") == "1")
 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