network.lua.svn-base

嵌入式无线路由系统openwrt的web配置工具

#!/usr/bin/lua
-- Copyright (C) 2008 OpenRB.com
require('fslib')

-- get all current system interfaces
ifaces = proc('if-json -a')
file = 'network'
wififile = 'wireless'

os.execute('touch /etc/config/network')
os.execute('touch /etc/config/wireless')

ifnames = {}
wifiifs = {}
cfgnames = uci.get_all(file)
wificfgs = uci.get_all(wififile)

-- create list of interface names
for ifname, props in pairs(ifaces) do
  if (props['type'] == 'Ethernet' and not ifname:find('^ath') and not ifname:find('^br--')) then
    -- ethernet type interface, add to list
    ifnames[ ifname ] = ''
  elseif (ifname:find('^wifi')) then
    -- wireless, check if already added later
    wifiifs[ ifname ] = ''
    ifnames[ ifname ] = ''
  end
end

-- create ifname : cfgname pairs
for cfgname, props in pairs(cfgnames) do
  ifname = string.gsub(props['ifname'], '^ath', 'wifi')

  if (ifnames[ ifname ] ~= nil) then
    ifnames[ ifname ] = cfgname
  end
end

-- create section for ifnames with no cfgname
for ifname, cfgname in pairs(ifnames) do
  if (cfgname == '') then
    cfgname = iftocfgr(ifname)
    ifnames[ ifname ] = cfgname
    
    ifname = string.gsub(ifname, '^wifi', 'ath')
    -- set required uci values
    uci.set(file, cfgname, 'interface')
    uci.set(file, cfgname, 'ifname', ifname)
    uci.set(file, cfgname, 'proto', 'none')
  else
    ifnames[ ifname ] = nil
  end
end

uci.commit(file)

startwifi = false
-- set config values for wireless
for ifname, _ in pairs(wifiifs) do
  if (wificfgs[ ifname ] == nil) then
    uci.set(wififile, ifname, 'wifi-device')
    uci.set(wififile, ifname, 'type', 'atheros')
    uci.set(wififile, ifname, 'channel', 'auto')
    
    cfgname = ifname .. 'if'
    uci.set(wififile, cfgname, 'wifi-iface')
    uci.set(wififile, cfgname, 'device', ifname)
    uci.set(wififile, cfgname, 'mode', 'sta')
    uci.set(wififile, cfgname, 'ssid', 'FlashSYS')
    uci.set(wififile, cfgname, 'encryption', 'none')
    
    startwifi = true
  elseif (wificfgs[ ifname ].disabled == '1') then
    uci.set(wififile, ifname, 'disabled', '0')
    startwifi = true
  end
end

-- remove wireless bridges, use proper bridges instead
for cfgname, props in pairs(wificfgs) do
  if (props['.type'] == 'wifi-iface' and props['network']) then
    uci.delete(wififile, cfgname, 'network')
  end
end

-- rate detection for wireless
wifiratesraw = readlines('dmesg | grep ^wifi | grep rates', 0, true)
wifirates = { '11a', '11b', '11g' }
wifireset = {}
for _, wifirateraw in ipairs(wifiratesraw) do
  ifnamesep = wifirateraw:find(':')
  if ifnamesep then
    ifname = wifirateraw:sub(1, (ifnamesep - 1))

    if wifireset[ ifname ] == nil then
      for _, wifirate in ipairs(wifirates) do
        uci.set(wififile, ifname, wifirate, '0')
      end
      wifireset[ ifname ] = true
    end

    for _, wifirate in ipairs(wifirates) do
      if wifirateraw:match(' ' .. wifirate .. ' ') then
        uci.set(wififile, ifname, wifirate, '1')
      end
    end
  end
end

uci.commit(wififile)

-- init newly added interfaces
for ifname, cfgname in pairs(ifnames) do
  os.execute('ifup ' .. cfgname)
end

if (startwifi) then
  os.execute('wifi')
end