vicious/contrib/wpa.lua

68 lines
1.7 KiB
Lua

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-- Licensed under the GNU General Public License v2
-- * (c) 2012, jinleileiking. <jinleileiking@gmail.com>
---------------------------------------------------
-- {{{ Grab environment
local tonumber = tonumber
local math = { ceil = math.ceil }
local setmetatable = setmetatable
local helpers = require("vicious.helpers")
local io = {
open = io.open,
popen = io.popen
}
local string = {
find = string.find,
match = string.match
}
-- }}}
-- Wifi: provides wireless information for a requested interface
module("vicious.contrib.wpa")
local info = {
["{ssid}"] = "N/A",
["{bssid}"] = "N/A",
["{ip}"] = "N/A",
["{qual}"] = "N/A",
}
-- {{{ Wireless widget type
local function worker(format, warg)
if not warg then return info end
local wpa_cmd = "wpa_cli -i'" .. warg .. "' status 2>&1"
local f = io.popen(wpa_cmd)
local output = f:read("*all")
f:close()
if not output then return info end
state = string.match(output, 'wpa_state=([%a]+)') or 'N/A'
info["{bssid}"] = string.match(output, 'bssid=([%d%a:]+)') or 'N/A'
info["{ssid}"] = string.match(output, 'ssid=([%a]+)') or 'N/A'
info["{ip}"] = string.match(output, 'ip_address=([%d.]+)') or 'N/A'
if not state == 'COMPLETED' then
return info
end
local wpa_cmd = "wpa_cli -i'" .. warg .. "' bss " .. bssid .. " 2>&1"
local f = io.popen(wpa_cmd)
local output = f:read("*all")
f:close()
if not output then return info end
info["{qual}"] = string.match(output, 'qual=([%d]+)')
return info
end
-- }}}
setmetatable(_M, { __call = function(_, ...) return worker(...) end })