Remote Buffer

Read and write process memory

Summary

Remote Buffer	Read and write process memory
Open	Open remote buffer
Close	Close the remote buffer
Read	Read from the remote buffer into local buffer
Write	Write local buffer into remote buffer
Get	Get address or size of the remote buffer
Example
About

Open

RemoteBuf_Open( ByRef H,
hwnd,
size )

Open remote buffer

Parameters

H	Reference to variable to receive remote buffer handle
hwnd	HWND of the window that belongs to the process
size	Size of the buffer

Returns

Error message on failure

Close

RemoteBuf_Close( ByRef H )

Close the remote buffer

Parameters

H	Remote buffer handle

Read

RemoteBuf_Read( ByRef H,
ByRef pLocal,
pSize,
pOffset = 0 )

Read from the remote buffer into local buffer

Parameters

H	Remote buffer handle
pLocal	Reference to the local buffer
pSize	Size of the local buffer
pOffset	Optional reading offset, by default 0

Returns

TRUE on success or FALSE on failure. ErrorMessage on bad remote buffer handle

Write

RemoteBuf_Write( Byref H,
byref pLocal,
pSize,
pOffset = )

Write local buffer into remote buffer

Parameters

H	Remote buffer handle
pLocal	Reference to the local buffer
pSize	Size of the local buffer
pOffset	Optional writting offset, by default 0

Returns

TRUE on success or FALSE on failure. ErrorMessage on bad remote buffer handle

Get

RemoteBuf_Get( ByRef H,
pQ = "adr" )

Get address or size of the remote buffer

Parameters

H	Remote buffer handle
pQ	Query parameter: set to “adr” to get address (default), to “size” to get the size or to “handle” to get Windows API handle of the remote buffer.

Returns

Address or size of the remote buffer

Example

;get the handle of the Explorer window
   WinGet, hw, ID, ahk_class ExploreWClass

;open two buffers
   RemoteBuf_Open( hBuf1, hw, 128 )
   RemoteBuf_Open( hBuf2, hw, 16  )

;write something
   str := "1234"
   RemoteBuf_Write( hBuf1, str, strlen(str) )

   str := "_5678"
   RemoteBuf_Write( hBuf1, str, strlen(str), 4)

   str := "_testing"
   RemoteBuf_Write( hBuf2, str, strlen(str))


;read
   RemoteBuf_Read( hBuf1, str, 10 )
   out = %str%
   RemoteBuf_Read( hBuf2, str, 10 )
   out = %out%%str%

   MsgBox %out%

;close
   RemoteBuf_Close( hBuf1 )
   RemoteBuf_Close( hBuf2 )

About

Ver 2.0 by majkinetor. See http://www.autohotkey.com/forum/topic12251.html
Code updates by infogulch
Licenced under Creative Commons Attribution-Noncommercial http://creativecommons.org/licenses/by-nc/3.0/.