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                                 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                                 local expire = tonumber(ts) or 0
  68                                 if ip and iaid ~= "ipv4" and family == 6 then
  69                                         rv[#rv+1] = {
  70                                                 expires  = (expire >= 0) and os.difftime(expire, os.time()),
  71                                                 duid     = duid,
  72                                                 ip6addr  = ip,
  73                                                 hostname = (name ~= "-") and name
  74                                         }
  75                                 elseif ip and iaid == "ipv4" and family == 4 then
  76                                         rv[#rv+1] = {
  77                                                 expires  = (expire >= 0) and os.difftime(expire, os.time()),
  78                                                 macaddr  = duid,
  79                                                 ipaddr   = ip,
  80                                                 hostname = (name ~= "-") and name
  81                                         }
  82                                 end
  83                         end
  84                 end
  85                 fd:close()
  86         end
  87
  88         return rv
  89 end
  90
  91 function dhcp_leases()
  92         return dhcp_leases_common(4)
  93 end
  94
  95 function dhcp6_leases()
  96         return dhcp_leases_common(6)
  97 end
  98
  99 function wifi_networks()
 100         local rv = { }
 101         local ntm = require "luci.model.network".init()
 102
 103         local dev
 104         for _, dev in ipairs(ntm:get_wifidevs()) do
 105                 local rd = {
 106                         up       = dev:is_up(),
 107                         device   = dev:name(),
 108                         name     = dev:get_i18n(),
 109                         networks = { }
 110                 }
 111
 112                 local net
 113                 for _, net in ipairs(dev:get_wifinets()) do
 114                         rd.networks[#rd.networks+1] = {
 115                                 name       = net:shortname(),
 116                                 link       = net:adminlink(),
 117                                 up         = net:is_up(),
 118                                 mode       = net:active_mode(),
 119                                 ssid       = net:active_ssid(),
 120                                 bssid      = net:active_bssid(),
 121                                 encryption = net:active_encryption(),
 122                                 frequency  = net:frequency(),
 123                                 channel    = net:channel(),
 124                                 signal     = net:signal(),
 125                                 quality    = net:signal_percent(),
 126                                 noise      = net:noise(),
 127                                 bitrate    = net:bitrate(),
 128                                 ifname     = net:ifname(),
 129                                 assoclist  = net:assoclist(),
 130                                 country    = net:country(),
 131                                 txpower    = net:txpower(),
 132                                 txpoweroff = net:txpower_offset(),
 133                                 disabled   = (dev:get("disabled") == "1" or
 134                                              net:get("disabled") == "1")
 135                         }
 136                 end
 137
 138                 rv[#rv+1] = rd
 139         end
 140
 141         return rv
 142 end
 143
 144 function wifi_network(id)
 145         local ntm = require "luci.model.network".init()
 146         local net = ntm:get_wifinet(id)
 147         if net then
 148                 local dev = net:get_device()
 149                 if dev then
 150                         return {
 151                                 id         = id,
 152                                 name       = net:shortname(),
 153                                 link       = net:adminlink(),
 154                                 up         = net:is_up(),
 155                                 mode       = net:active_mode(),
 156                                 ssid       = net:active_ssid(),
 157                                 bssid      = net:active_bssid(),
 158                                 encryption = net:active_encryption(),
 159                                 frequency  = net:frequency(),
 160                                 channel    = net:channel(),
 161                                 signal     = net:signal(),
 162                                 quality    = net:signal_percent(),
 163                                 noise      = net:noise(),
 164                                 bitrate    = net:bitrate(),
 165                                 ifname     = net:ifname(),
 166                                 assoclist  = net:assoclist(),
 167                                 country    = net:country(),
 168                                 txpower    = net:txpower(),
 169                                 txpoweroff = net:txpower_offset(),
 170                                 disabled   = (dev:get("disabled") == "1" or
 171                                               net:get("disabled") == "1"),
 172                                 device     = {
 173                                         up     = dev:is_up(),
 174                                         device = dev:name(),
 175                                         name   = dev:get_i18n()
 176                                 }
 177                         }
 178                 end
 179         end
 180         return { }
 181 end
 182
 183 function switch_status(devs)
 184         local dev
 185         local switches = { }
 186         for dev in devs:gmatch("[^%s,]+") do
 187                 local ports = { }
 188                 local swc = io.popen("swconfig dev %q show" % dev, "r")
 189                 if swc then
 190                         local l
 191                         repeat
 192                                 l = swc:read("*l")
 193                                 if l then
 194                                         local port, up = l:match("port:(%d+) link:(%w+)")
 195                                         if port then
 196                                                 local speed  = l:match(" speed:(%d+)")
 197                                                 local duplex = l:match(" (%w+)-duplex")
 198                                                 local txflow = l:match(" (txflow)")
 199                                                 local rxflow = l:match(" (rxflow)")
 200                                                 local auto   = l:match(" (auto)")
 201
 202                                                 ports[#ports+1] = {
 203                                                         port   = tonumber(port) or 0,
 204                                                         speed  = tonumber(speed) or 0,
 205                                                         link   = (up == "up"),
 206                                                         duplex = (duplex == "full"),
 207                                                         rxflow = (not not rxflow),
 208                                                         txflow = (not not txflow),
 209                                                         auto   = (not not auto)
 210                                                 }
 211                                         end
 212                                 end
 213                         until not l
 214                         swc:close()
 215                 end
 216                 switches[dev] = ports
 217         end
 218         return switches
 219 end