Method poke

pydevd_attach_to_process/winappdbg/process.py:1994–2038

Writes to the memory of the process. @note: Page permissions may be changed temporarily while writing. @see: L{write} @type lpBaseAddress: int @param lpBaseAddress: Memory address to begin writing. @type lpBuffer: str @param lpBuffer: By

(self, lpBaseAddress, lpBuffer)

        return data

    def poke(self, lpBaseAddress, lpBuffer):
        """
        Writes to the memory of the process.

        @note: Page permissions may be changed temporarily while writing.

        @see: L{write}

        @type  lpBaseAddress: int
        @param lpBaseAddress: Memory address to begin writing.

        @type  lpBuffer: str
        @param lpBuffer: Bytes to write.

        @rtype:  int
        @return: Number of bytes written.
            May be less than the number of bytes to write.
        """
        assert isinstance(lpBuffer, compat.bytes)
        hProcess = self.get_handle(win32.PROCESS_VM_WRITE | win32.PROCESS_VM_OPERATION | win32.PROCESS_QUERY_INFORMATION)
        mbi = self.mquery(lpBaseAddress)
        if not mbi.has_content():
            raise ctypes.WinError(win32.ERROR_INVALID_ADDRESS)
        if mbi.is_image() or mbi.is_mapped():
            prot = win32.PAGE_WRITECOPY
        elif mbi.is_writeable():
            prot = None
        elif mbi.is_executable():
            prot = win32.PAGE_EXECUTE_READWRITE
        else:
            prot = win32.PAGE_READWRITE
        if prot is not None:
            try:
                self.mprotect(lpBaseAddress, len(lpBuffer), prot)
            except Exception:
                prot = None
                msg = "Failed to adjust page permissions for process %s at address %s: %s"
                msg = msg % (self.get_pid(), HexDump.address(lpBaseAddress, self.get_bits()), traceback.format_exc())
                warnings.warn(msg, RuntimeWarning)
        try:
            r = win32.WriteProcessMemory(hProcess, lpBaseAddress, lpBuffer)
        finally:
            if prot is not None:
                self.mprotect(lpBaseAddress, len(lpBuffer), mbi.Protect)
        return r

    def peek_char(self, lpBaseAddress):
        """