delete.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')

data = datajson() or {}
file = 'network'

-- make sure that ifname is passed
if (data['id'] ~= nil) then
  ifname = data['id']
  uci.init(file)

  -- bridge interface found
  if (ifname:find('^br--')) then
    cfgname = ifname:gsub('^br--', '')

    -- get list of interfaces from brctl
    brigdes = proc('br-json')
    -- put bridge down    
    os.execute('ifconfig ' .. ifname .. ' down')

    -- put bridged ifaces down and remove them from bridge
    if (brigdes ~= nil and brigdes[ ifname ]) then
      ifnames = brigdes[ ifname ]['ifnames']
      iflist = {}
      cfg = uci.get_all(file)

      for icfgname, options in pairs(cfg) do
        if (options['type'] ~= 'bridge') then
          iflist[ options['ifname'] ] = icfgname
        end
      end

      for _, brifname in ipairs(ifnames) do
        icfgname = iflist[ brifname ]
        if (icfgname ~= nil) then
          uci.delete(file, icfgname, 'bridged')
        end

        os.execute('ifconfig ' .. brifname .. ' down')
        os.execute('brctl delif ' .. ifname .. ' ' .. brifname)
      end
    end

    -- delete bridge
    os.execute('brctl delbr ' .. ifname)

    -- drop bridge configs
    uci.delete(file, cfgname)
    uci.commit(file)
  end
end