mirror of
git://projects.qi-hardware.com/openwrt-packages.git
synced 2024-11-18 01:49:41 +02:00
97 lines
2.1 KiB
Lua
Executable File
97 lines
2.1 KiB
Lua
Executable File
#!/usr/bin/env lua
|
|
|
|
local io = require "io"
|
|
local os = require "os"
|
|
local table = require "table"
|
|
|
|
function trim (s)
|
|
return (string.gsub(s, "^%s*(.-)%s*$", "%1"))
|
|
end
|
|
|
|
function split(delim, text)
|
|
local list = {}
|
|
if string.len(text) <= 0 then
|
|
return list
|
|
end
|
|
delim = delim or ""
|
|
local pos = 1
|
|
-- if delim matches empty string then it would give an endless loop
|
|
if string.find("", delim, 1) and delim ~= "" then
|
|
error("delim matches empty string!")
|
|
end
|
|
local first, last
|
|
while 1 do
|
|
if delim ~= "" then
|
|
first, last = string.find(text, delim, pos)
|
|
else
|
|
first, last = string.find(text, "%s+", pos)
|
|
if first == 1 then
|
|
pos = last+1
|
|
first, last = string.find(text, "%s+", pos)
|
|
end
|
|
end
|
|
if first then -- found?
|
|
table.insert(list, string.sub(text, pos, first-1))
|
|
pos = last+1
|
|
else
|
|
table.insert(list, string.sub(text, pos))
|
|
break
|
|
end
|
|
end
|
|
return list
|
|
end
|
|
|
|
function exec(command)
|
|
local pp = io.popen(command)
|
|
local data = pp:read("*a")
|
|
pp:close()
|
|
|
|
return data
|
|
end
|
|
|
|
function iwscan(iface)
|
|
local siface = iface or ""
|
|
local cnt = exec("iwlist "..siface.." scan 2>/dev/null")
|
|
local iws = {}
|
|
|
|
cnt = trim(cnt)
|
|
for i, l in pairs(split("\n Cell", cnt)) do
|
|
local ESSID = l:match("ESSID:\"(.-)\"")
|
|
if ESSID then
|
|
local Q = l:match("Quality[:=](.-)[ ]")
|
|
local A = l:match("Authentication Suites.- : (.-)\n")
|
|
local P = l:match("Pairwise Ciphers.- : (.-)\n")
|
|
|
|
local enc
|
|
if not l:find("Encryption key:on") then
|
|
enc = "none"
|
|
else
|
|
local wpa = l:find("WPA Version 1")
|
|
local rsn = l:find("WPA2 Version 1")
|
|
if wpa and rsn then enc = "psk+psk2"
|
|
elseif rsn then enc = "psk2"
|
|
elseif wpa then enc = "psk"
|
|
else enc = "wep" end
|
|
end
|
|
|
|
local a = Q:match("(%d-)/")
|
|
local b = Q:match("/(%d-)$")
|
|
Q = math.floor(tonumber(a)/tonumber(b)*100)
|
|
|
|
local r = Q .. "%," .. ESSID .. "," .. enc
|
|
|
|
table.insert(iws, r)
|
|
end
|
|
end
|
|
|
|
return iws
|
|
end
|
|
|
|
local t = iwscan("wlan0")
|
|
if t == {} then
|
|
print();
|
|
else
|
|
for k,v in pairs(t) do print(v) end
|
|
end
|
|
|