koreader/lj-wpaclient

wpa_supplicant client library for LuaJIT

lj-wpaclient

Native Lua implementation of client for wpa_supplicant control protocol, (c.f., https://w1.fi/cgit/hostap/tree/src/common/wpa_ctrl.c).

Dependencies

• LuaJIT

Usage

High level APIs are defined in wpaclient.lua. A quick example on how it can be used to communicate with wpa_supplicant server:

local WpaClient = require('wpaclient')
local wcli = WpaClient.new('/var/run/wpa_supplicant/wlan0')
for _, entry in pairs(wcli:scanThenGetResults()) do
    print("quality:", entry:getSignalQuality(),
          "bssid:", entry.bssid,
          "ssid:", (entry.ssid or "[hidden]"),
          "flags:", entry.flags)
end
wcli:close()

Lower level APIs are defined in wpa_ctrl.lua and used in wpaclient.lua. It mimics C APIs defined in wpa_ctrl.h from hostap project.

Listen for events

local WpaClient = require('wpaclient')
local wcli = WpaClient.new('/var/run/wpa_supplicant/wlan0')
wcli:attach()
wcli:doScan()
while true do
    ev = wcli:readEvent()
    if ev ~= nil then
        print('got event:', ev.lvl, ev.msg)
    else
        os.execute('sleep 2')
    end
end
wcli:close()

Add and connect to network

local WpaClient = require('wpaclient')
local wcli = WpaClient.new('/var/run/wpa_supplicant/wlan0')

local nw_id, err = wcli:addNetwork()
print('[*] got network id: ', nw_id)
wcli:setNetwork(nw_id, "ssid", "\"random-super-safe-free-wifi\"")
wcli:setNetwork(nw_id, "psk", "\"PASSWORD\"")
-- That's it! Now run your favorite DHCP client to obtain an IP :)
wcli:close()

lj-wpaclient's Issues

something wrong with the second example code

In the second example "Listen for events",

while true do
...
done

here done should be end, otherwise it can't run under luajit, my luajit version is 2.1.0-beta3.

potential conflicts of socket module with luasocket

Since there is already a module called socket.lua in LuaSocket, is there any way to distinguish between them when loading "socket" module?