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 = "/tmp/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                                 local expire = tonumber(ts) or 0
  30                                 if ts and mac and ip and name and duid then
  31                                         if family == 4 and not ip:match(":") then
  32                                                 rv[#rv+1] = {
  33                                                         expires  = (expire ~= 0) and os.difftime(expire, os.time()),
  34                                                         macaddr  = mac,
  35                                                         ipaddr   = ip,
  36                                                         hostname = (name ~= "*") and name
  37                                                 }
  38                                         elseif family == 6 and ip:match(":") then
  39                                                 rv[#rv+1] = {
  40                                                         expires  = (expire ~= 0) and os.difftime(expire, os.time()),
  41                                                         ip6addr  = ip,
  42                                                         duid     = (duid ~= "*") and duid,
  43                                                         hostname = (name ~= "*") and name
  44                                                 }
  45                                         end
  46                                 end
  47                         end
  48                 end
  49                 fd:close()
  50         end
  51
  52         local lease6file = "/tmp/hosts/odhcpd"
  53         uci:foreach("dhcp", "odhcpd",
  54                 function(t)
  55                         if t.leasefile and nfs.access(t.leasefile) then
  56                                 lease6file = t.leasefile
  57                                 return false
  58                         end
  59                 end)
  60         local fd = io.open(lease6file, "r")
  61         if fd then
  62                 while true do
  63                         local ln = fd:read("*l")
  64                         if not ln then
  65                                 break
  66                         else
  67                                 local iface, duid, iaid, name, ts, id, length, ip = ln:match("^# (%S+) (%S+) (%S+) (%S+) (-?%d+) (%S+) (%S+) (.*)")
  68                                 local expire = tonumber(ts) or 0
  69                                 if ip and iaid ~= "ipv4" and family == 6 then
  70                                         rv[#rv+1] = {
  71                                                 expires  = (expire >= 0) and os.difftime(expire, 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  = (expire >= 0) and os.difftime(expire, 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                                 disabled   = (dev:get("disabled") == "1" or
 135                                              net:get("disabled") == "1")
 136                         }
 137                 end
 138
 139                 rv[#rv+1] = rd
 140         end
 141
 142         return rv
 143 end
 144
 145 function wifi_network(id)
 146         local ntm = require "luci.model.network".init()
 147         local net = ntm:get_wifinet(id)
 148         if net then
 149                 local dev = net:get_device()
 150                 if dev then
 151                         return {
 152                                 id         = id,
 153                                 name       = net:shortname(),
 154                                 link       = net:adminlink(),
 155                                 up         = net:is_up(),
 156                                 mode       = net:active_mode(),
 157                                 ssid       = net:active_ssid(),
 158                                 bssid      = net:active_bssid(),
 159                                 encryption = net:active_encryption(),
 160                                 frequency  = net:frequency(),
 161                                 channel    = net:channel(),
 162                                 signal     = net:signal(),
 163                                 quality    = net:signal_percent(),
 164                                 noise      = net:noise(),
 165                                 bitrate    = net:bitrate(),
 166                                 ifname     = net:ifname(),
 167                                 assoclist  = net:assoclist(),
 168                                 country    = net:country(),
 169                                 txpower    = net:txpower(),
 170                                 txpoweroff = net:txpower_offset(),
 171                                 disabled   = (dev:get("disabled") == "1" or
 172                                               net:get("disabled") == "1"),
 173                                 device     = {
 174                                         up     = dev:is_up(),
 175                                         device = dev:name(),
 176                                         name   = dev:get_i18n()
 177                                 }
 178                         }
 179                 end
 180         end
 181         return { }
 182 end
 183
 184 function switch_status(devs)
 185         local dev
 186         local switches = { }
 187         for dev in devs:gmatch("[^%s,]+") do
 188                 local ports = { }
 189                 local swc = io.popen("swconfig dev %q show" % dev, "r")
 190                 if swc then
 191                         local l
 192                         repeat
 193                                 l = swc:read("*l")
 194                                 if l then
 195                                         local port, up = l:match("port:(%d+) link:(%w+)")
 196                                         if port then
 197                                                 local speed  = l:match(" speed:(%d+)")
 198                                                 local duplex = l:match(" (%w+)-duplex")
 199                                                 local txflow = l:match(" (txflow)")
 200                                                 local rxflow = l:match(" (rxflow)")
 201                                                 local auto   = l:match(" (auto)")
 202
 203                                                 ports[#ports+1] = {
 204                                                         port   = tonumber(port) or 0,
 205                                                         speed  = tonumber(speed) or 0,
 206                                                         link   = (up == "up"),
 207                                                         duplex = (duplex == "full"),
 208                                                         rxflow = (not not rxflow),
 209                                                         txflow = (not not txflow),
 210                                                         auto   = (not not auto)
 211                                                 }
 212                                         end
 213                                 end
 214                         until not l
 215                         swc:close()
 216                 end
 217                 switches[dev] = ports
 218         end
 219         return switches
 220 end