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E1M1

Need tcp help

4 posts in this topic

#1 ·  Posted (edited)

I am trying to make simple program that accept firefox.I meant I want display Firefox packets on my script's window.if I accept localhost's port 80 and I type localhost in firefox address bar then firefox should send some packets to localhost.right? now how I can see these packet using autoit? I wanna just make simple program that accept other program's connections.

I am just planning to do a simple proxy that works with any program, which means that I have to listen X port from localhost and then I gotta sent these packets to x IP address and then I gotta wait for reply and send packets to program that is connected with my proxy.

it's here example from help, with modified port number, but the problem is:When I connect to localhost with firefox I can't see anything on script's window.I need some one's help to turn it into proxy or at least listener that accept random connections.

#include <GUIConstantsEx.au3>

Opt('MustDeclareVars', 1)

;==============================================
;==============================================
;SERVER!! Start Me First !!!!!!!!!!!!!!!
;==============================================
;==============================================

Example()

Func Example()
    ; Set Some reusable info
    ; Set your Public IP address (@IPAddress1) here.
;   Local $szServerPC = @ComputerName
;   Local $szIPADDRESS = TCPNameToIP($szServerPC)
    Local $szIPADDRESS = @IPAddress1
    Local $nPORT = 80
    Local $MainSocket, $GOOEY, $edit, $ConnectedSocket, $szIP_Accepted
    Local $msg, $recv

    ; Start The TCP Services
    ;==============================================
    TCPStartup()

    ; Create a Listening "SOCKET".
    ;   Using your IP Address and Port 33891.
    ;==============================================
    $MainSocket = TCPListen($szIPADDRESS, $nPORT)

    ; If the Socket creation fails, exit.
    If $MainSocket = -1 Then Exit


    ; Create a GUI for messages
    ;==============================================
    $GOOEY = GUICreate("My Server (IP: " & $szIPADDRESS & ")", 300, 200)
    $edit = GUICtrlCreateEdit("", 10, 10, 280, 180)
    GUISetState()


    ; Initialize a variable to represent a connection
    ;==============================================
    $ConnectedSocket = -1


    ;Wait for and Accept a connection
    ;==============================================
    Do
        $ConnectedSocket = TCPAccept($MainSocket)
    Until $ConnectedSocket <> -1


    ; Get IP of client connecting
    $szIP_Accepted = SocketToIP($ConnectedSocket)

    ; GUI Message Loop
    ;==============================================
    While 1
        $msg = GUIGetMsg()

        ; GUI Closed
        ;--------------------
        If $msg = $GUI_EVENT_CLOSE Then ExitLoop

        ; Try to receive (up to) 2048 bytes
        ;----------------------------------------------------------------
        $recv = TCPRecv($ConnectedSocket, 2048)

        ; If the receive failed with @error then the socket has disconnected
        ;----------------------------------------------------------------
        If @error Then ExitLoop

        ; Update the edit control with what we have received
        ;----------------------------------------------------------------
        If $recv <> "" Then GUICtrlSetData($edit, _
                $szIP_Accepted & " > " & $recv & @CRLF & GUICtrlRead($edit))
    WEnd


    If $ConnectedSocket <> -1 Then TCPCloseSocket($ConnectedSocket)

    TCPShutdown()
EndFunc   ;==>Example

; Function to return IP Address from a connected socket.
;----------------------------------------------------------------------
Func SocketToIP($SHOCKET)
    Local $sockaddr, $aRet
    
    $sockaddr = DllStructCreate("short;ushort;uint;char[8]")

    $aRet = DllCall("Ws2_32.dll", "int", "getpeername", "int", $SHOCKET, _
            "ptr", DllStructGetPtr($sockaddr), "int*", DllStructGetSize($sockaddr))
    If Not @error And $aRet[0] = 0 Then
        $aRet = DllCall("Ws2_32.dll", "str", "inet_ntoa", "int", DllStructGetData($sockaddr, 3))
        If Not @error Then $aRet = $aRet[0]
    Else
        $aRet = 0
    EndIf

    $sockaddr = 0

    Return $aRet
EndFunc   ;==>SocketToIP
Edited by E1M1

edited

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bump


edited

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I also would greatly appreciate any help on this. I can even pay for a working script, which also processes https. Any ideas?

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Big bump! :)

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