Win32NativeWifiApi.py 文件源码

def WlanScan(hClientHandle, pInterfaceGuid, ssid=""):
    """
        The WlanScan function requests a scan for available networks on the
        indicated interface.

        DWORD WINAPI WlanScan(
            _In_        HANDLE hClientHandle,
            _In_        const GUID *pInterfaceGuid,
            _In_opt_    const PDOT11_SSID pDot11Ssid,
            _In_opt_    const PWLAN_RAW_DATA pIeData,
            _Reserved_  PVOID pReserved
        );
    """
    func_ref = wlanapi.WlanScan
    func_ref.argtypes = [HANDLE,
                         POINTER(GUID),
                         POINTER(DOT11_SSID),
                         POINTER(WLAN_RAW_DATA),
                         c_void_p]
    func_ref.restype = DWORD
    if ssid:
        length = len(ssid)
        if length > DOT11_SSID_MAX_LENGTH:
            raise Exception("SSIDs have a maximum length of 32 characters.")
        # data = tuple(ord(char) for char in ssid)
        data = ssid
        dot11_ssid = byref(DOT11_SSID(length, data))
    else:
        dot11_ssid = None
    # TODO: Support WLAN_RAW_DATA argument.
    result = func_ref(hClientHandle,
                      byref(pInterfaceGuid),
                      dot11_ssid,
                      None,
                      None)
    if result != ERROR_SUCCESS:
        raise Exception("WlanScan failed.")
    return result