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install.lua
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install.lua
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print("install ESPLoad")
function WriteFile()
print("add file: " .. sFile .. ": " .. string.len(sData))
file.close()
file.remove(sFile)
file.open(sFile,"w+")
file.write(sData)
file.close()
file.open("install.lua","r")
file.seek("set",iSeek)
sData = ""
collectgarbage()
end
file.open("install.lua","r")
sData = ""
sFile = nil
iSeek=0
s=file.readline()
while s ~= nil do
iSeek = iSeek + string.len(s)
sNewFile = string.match(s, "file:([%w.]+)")
if sNewFile then
--print(sNewFile)
if sFile then
WriteFile(sFile,sData)
end
sFile = sNewFile
else
if sFile then
sData = sData .. s
end
end
s=file.readline()
end
WriteFile(sFile,sData)
file.close()
file.remove("install.lua")
print("install finished :-)")
--[[
file:init.lua
function LoadX()
s = {ssid="", pwd="", host="", domain="", path="", err="no data",update=0}
if (file.open("s.txt","r")) then
local sF = file.read()
--print("setting: "..sF)
file.close()
for k, v in string.gmatch(sF, "([%w.]+)=([%S ]*)") do
s[k] = v
print(k .. ": " .. v)
end
end
end
print(collectgarbage("count").." kB used")
LoadX()
if s.err == "" then
if (tonumber(s.update)>0) then
tmr.alarm (0, tonumber(s.update)*60000, 1, function()
print("checking for update")
end)
end
dofile("client.lua")
else
dofile("server.lua")
end
file:server.lua
function SaveX(sErr)
if (sErr) then
print (sErr)
s.err = sErr
end
file.remove("s.txt")
file.open("s.txt","w+")
for k, v in pairs(s) do
file.writeline(k .. "=" .. v)
end
file.close()
collectgarbage()
end
print(collectgarbage("count").." kB: server.lua")
LoadX()
wifi.setmode(wifi.SOFTAP)
wifi.ap.config({ssid="node_"..node.chipid(), pwd=""})
srv=net.createServer(net.TCP)
print(wifi.sta.getip())
srv:listen(80,function(conn)
conn:on("receive", function(client,request)
local _, _, method, path, vars = string.find(request, "([A-Z]+) (.+)?(.+) HTTP");
if (vars ~= nil)then
for k, v in string.gmatch(vars, "(%w+)=([^&]*)&*") do
s[k],n = string.gsub(v,"%%2F","/")
print(k .. " = " .. s[k])
end
SaveX()
if s.err == "" then
node.restart()
end
end
file.open("y.htm","r")
local sH = file.read()
for k, v in pairs(s) do
sH,n = string.gsub(sH,"_"..k,v)
end
print(sH)
file.close()
client:send(sH)
client:close()
collectgarbage()
end)
end)
file:y.htm
<html><body><form>
error: <input name=err value='_err'/><br/>
<h2>access point:</h2>
SSID: <input name=ssid value='_ssid'/><br/>
pwd: <input name=pwd value='_pwd'/><br/>
<h2>fetch lua:</h2>
ip: <input name=host value='_host'/><br/>
domain: <input name=domain value='_domain'/><br/>
path: <input name=path value='_path'/><br/>
reboot: <input type=number size=4 name=update value='_update'/> minutes<br/>
<input type=submit value='submit'/>
</form></body></html>
file:client.lua
function SaveX(sErr)
if (sErr) then
print (sErr)
s.err = sErr
end
file.remove("s.txt")
file.open("s.txt","w+")
for k, v in pairs(s) do
file.writeline(k .. "=" .. v)
end
file.close()
collectgarbage()
end
function NewLua(sck,c)
local nStart, nEnd = string.find(c, "\n\n")
if (nEnde == nil) then
nStart, nEnd = string.find(c, "\r\n\r\n")
end
c = string.sub(c,nEnd+1)
print("lua length: "..string.len(c))
if (string.sub(c,0,5) ~= "--lua") then
SaveX(s.domain.."/"..s.path .. " does not begin with --lua")
node.restart()
return
end
file.remove("do.lua")
file.open("do.lua","w+")
file.writeline(c)
file.close()
node.compile("do.lua")
--dofile("do.lua")
dofile("do.lc")
collectgarbage()
end
print("fetch lua..")
LoadX()
wifi.setmode (wifi.STATION)
wifi.sta.config(s.ssid, s.pwd)
wifi.sta.autoconnect (1)
iFail = 20
tmr.alarm (1, 1000, 1, function ( )
iFail = iFail -1
print(iFail)
if (iFail == 0) then
SaveX("could not access "..s.ssid)
node.restart()
end
if wifi.sta.getip ( ) == nil then
print(s.ssid)
else
print ("ip: " .. wifi.sta.getip ( ))
tmr.stop (1)
sk=net.createConnection(net.TCP, 0)
sk:on("receive", NewLua)
sk:connect(80,s.host)
sGet = "GET /".. s.path .. " HTTP/1.1\r\nHost: " .. s.domain .. "\r\nConnection: keep-alive\r\nAccept: */*\r\n\r\n"
print(sGet)
sk:send(sGet)
end
collectgarbage()
end)
print(collectgarbage("count").." kB: client.lua")
--]]