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573 lines
15 KiB
Python
573 lines
15 KiB
Python
'''
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Reference
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Methods, Structures and Documentation adapted from.
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https://msdn.microsoft.com/en-us/library/windows/desktop \
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/ms705945%28v=vs.85%29.aspx
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'''
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from ctypes import (
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POINTER,
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FormatError,
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Structure,
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addressof,
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byref,
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c_bool,
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c_char,
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c_ubyte,
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c_uint,
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c_ulong,
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c_ushort,
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c_void_p,
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c_wchar,
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pointer,
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windll,
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)
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from ctypes.wintypes import DWORD, HANDLE, LPCWSTR, ULONG
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from sys import exit as sys_exit
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def customresize(array, new_size):
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return (
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array._type_ * new_size
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).from_address(
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addressof(array)
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)
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wlanapi = windll.LoadLibrary('wlanapi.dll')
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class GUID(Structure):
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_fields_ = [
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('Data1', c_ulong),
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('Data2', c_ushort),
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('Data3', c_ushort),
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('Data4', c_ubyte * 8),
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]
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# The WLAN_INTERFACE_STATE enumerated type indicates the state of an interface.
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WLAN_INTERFACE_STATE = c_uint
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(wlan_interface_state_not_ready,
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wlan_interface_state_connected,
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wlan_interface_state_ad_hoc_network_formed,
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wlan_interface_state_disconnecting,
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wlan_interface_state_disconnected,
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wlan_interface_state_associating,
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wlan_interface_state_discovering,
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wlan_interface_state_authenticating) = map(WLAN_INTERFACE_STATE,
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range(0, 8))
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class WLAN_INTERFACE_INFO(Structure):
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'''
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The WLAN_INTERFACE_STATE enumerated type indicates the state of an
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interface.
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'''
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_fields_ = [
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("InterfaceGuid", GUID),
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("strInterfaceDescription", c_wchar * 256),
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("isState", WLAN_INTERFACE_STATE)
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]
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class WLAN_INTERFACE_INFO_LIST(Structure):
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'''
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The WLAN_INTERFACE_INFO_LIST structure contains an array of NIC interface
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information.
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'''
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_fields_ = [
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("NumberOfItems", DWORD),
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("Index", DWORD),
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("InterfaceInfo", WLAN_INTERFACE_INFO * 1)
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]
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DOT11_MAC_ADDRESS = c_ubyte * 6
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WLAN_MAX_PHY_TYPE_NUMBER = 0x8
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DOT11_SSID_MAX_LENGTH = 32
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WLAN_REASON_CODE = DWORD
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DOT11_BSS_TYPE = c_uint
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(dot11_BSS_type_infrastructure,
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dot11_BSS_type_independent,
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dot11_BSS_type_any) = map(DOT11_BSS_TYPE, range(1, 4))
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# The DOT11_PHY_TYPE enumeration defines an 802.11 PHY and media type.
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DOT11_PHY_TYPE = c_uint
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dot11_phy_type_unknown = 0
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dot11_phy_type_any = 0
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dot11_phy_type_fhss = 1
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dot11_phy_type_dsss = 2
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dot11_phy_type_irbaseband = 3
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dot11_phy_type_ofdm = 4
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dot11_phy_type_hrdsss = 5
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dot11_phy_type_erp = 6
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dot11_phy_type_ht = 7
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dot11_phy_type_IHV_start = 0x80000000
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dot11_phy_type_IHV_end = 0xffffffff
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# The DOT11_AUTH_ALGORITHM enumerated type defines a wireless
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# LAN authentication algorithm.
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DOT11_AUTH_ALGORITHM = c_uint
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DOT11_AUTH_ALGO_80211_OPEN = 1
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DOT11_AUTH_ALGO_80211_SHARED_KEY = 2
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DOT11_AUTH_ALGO_WPA = 3
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DOT11_AUTH_ALGO_WPA_PSK = 4
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DOT11_AUTH_ALGO_WPA_NONE = 5
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DOT11_AUTH_ALGO_RSNA = 6
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DOT11_AUTH_ALGO_RSNA_PSK = 7
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DOT11_AUTH_ALGO_IHV_START = 0x80000000
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DOT11_AUTH_ALGO_IHV_END = 0xffffffff
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# The DOT11_CIPHER_ALGORITHM enumerated type defines a cipher
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# algorithm for data encryption and decryption.
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DOT11_CIPHER_ALGORITHM = c_uint
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DOT11_CIPHER_ALGO_NONE = 0x00
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DOT11_CIPHER_ALGO_WEP40 = 0x01
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DOT11_CIPHER_ALGO_TKIP = 0x02
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DOT11_CIPHER_ALGO_CCMP = 0x04
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DOT11_CIPHER_ALGO_WEP104 = 0x05
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DOT11_CIPHER_ALGO_WPA_USE_GROUP = 0x100
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DOT11_CIPHER_ALGO_RSN_USE_GROUP = 0x100
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DOT11_CIPHER_ALGO_WEP = 0x101
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DOT11_CIPHER_ALGO_IHV_START = 0x80000000
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DOT11_CIPHER_ALGO_IHV_END = 0xffffffff
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class DOT11_SSID(Structure):
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'''
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A DOT11_SSID structure contains the SSID of an interface
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'''
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_fields_ = [
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("SSIDLength", c_ulong),
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("SSID", c_char * DOT11_SSID_MAX_LENGTH)
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]
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# Enumerated type to define the code of connection.
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WLAN_CONNECTION_MODE = c_uint
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(wlan_connection_mode_profile,
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wlan_connection_mode_temporary_profile,
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wlan_connection_mode_discovery_secure,
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wlan_connection_mode_discovery_unsecure,
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wlan_connection_mode_auto,
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wlan_connection_mode_invalid) = map(WLAN_CONNECTION_MODE, range(0, 6))
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class NDIS_OBJECT_HEADER(Structure):
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'''
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This Structure packages the object type, version, and size information
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that is required in many NDIS (Netword Driver interface Specification)
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Structures.
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'''
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_fields_ = [
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("Type", c_char),
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("Revision", c_char),
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("Size", c_ushort)]
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class DOT11_BSSID_LIST(Structure):
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'''
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The DOT11_BSSID_LIST structure contains a list of basic service set (BSS)
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identifiers.
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'''
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_fields_ = [
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("Header", NDIS_OBJECT_HEADER),
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("uNumOfEntries", ULONG),
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("uTotalNumOfEntries", ULONG),
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("BSSIDs", DOT11_MAC_ADDRESS * 1)
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]
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class WLAN_CONNECTION_PARAMETERS(Structure):
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'''
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The WLAN_CONNECTION_PARAMETERS structure specifies the parameters used when
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using the WlanConnect function.
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'''
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_fields_ = [
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("wlanConnectionMode", WLAN_CONNECTION_MODE),
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("strProfile", LPCWSTR),
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("pDot11Ssid", POINTER(DOT11_SSID)),
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("pDesiredBssidList", POINTER(DOT11_BSSID_LIST)),
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("dot11BssType", DOT11_BSS_TYPE),
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("dwFlags", DWORD)]
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# The `WlanConnect` attempts to connect to a specific network.
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WlanConnect = wlanapi.WlanConnect
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WlanConnect.argtypes = (HANDLE,
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POINTER(GUID),
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POINTER(WLAN_CONNECTION_PARAMETERS),
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c_void_p)
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WlanConnect.restype = DWORD
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# The `WlanDisconnect` method disconnects an interface from its
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# current network.
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WlanDisconnect = wlanapi.WlanDisconnect
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WlanDisconnect.argtypes = (HANDLE,
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POINTER(GUID),
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c_void_p)
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WlanDisconnect.restype = DWORD
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# Opens a connection to the server.
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WlanOpenHandle = wlanapi.WlanOpenHandle
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WlanOpenHandle.argtypes = (DWORD, c_void_p, POINTER(DWORD), POINTER(HANDLE))
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WlanOpenHandle.restype = DWORD
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# The WlanCloseHandle method closes the connection to the server.
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WlanCloseHandle = wlanapi.WlanCloseHandle
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WlanCloseHandle.argtypes = (HANDLE, c_void_p)
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WlanCloseHandle.restype = DWORD
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class WLAN_AVAILABLE_NETWORK(Structure):
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'''
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The WLAN_INTERFACE_INFO structure contains information about a wireless
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LAN interface.
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'''
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_fields_ = [
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("ProfileName", c_wchar * 256),
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("dot11Ssid", DOT11_SSID),
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("dot11BssType", DOT11_BSS_TYPE),
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("NumberOfBssids", c_ulong),
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("NetworkConnectable", c_bool),
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("wlanNotConnectableReason", WLAN_REASON_CODE),
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("NumberOfPhyTypes", c_ulong),
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("dot11PhyTypes", DOT11_PHY_TYPE * WLAN_MAX_PHY_TYPE_NUMBER),
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("MorePhyTypes", c_bool),
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("wlanSignalQuality", c_ulong),
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("SecurityEnabled", c_bool),
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("dot11DefaultAuthAlgorithm", DOT11_AUTH_ALGORITHM),
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("dot11DefaultCipherAlgorithm", DOT11_CIPHER_ALGORITHM),
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("Flags", DWORD),
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("Reserved", DWORD)]
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class WLAN_AVAILABLE_NETWORK_LIST(Structure):
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'''
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The WLAN_INTERFACE_INFO_LIST structure contains an array of NIC
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interface information.
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'''
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_fields_ = [
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("NumberOfItems", DWORD),
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("Index", DWORD),
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("Network", WLAN_AVAILABLE_NETWORK * 1)]
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# The WlanEnumInterfaces function enumerates all of the wireless LAN interfaces
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# currently enabled on the local computer.
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WlanEnumInterfaces = wlanapi.WlanEnumInterfaces
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WlanEnumInterfaces.argtypes = (HANDLE,
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c_void_p,
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POINTER(POINTER(WLAN_INTERFACE_INFO_LIST)))
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WlanEnumInterfaces.restype = DWORD
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# The WlanGetAvailableNetworkList function retrieves the list of available
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# networks on a wireless LAN interface.
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WlanGetAvailableNetworkList = wlanapi.WlanGetAvailableNetworkList
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WlanGetAvailableNetworkList.argtypes = (HANDLE,
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POINTER(GUID),
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DWORD,
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c_void_p,
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POINTER(POINTER(
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WLAN_AVAILABLE_NETWORK_LIST)))
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WlanGetAvailableNetworkList.restype = DWORD
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# The WlanFreeMemory function frees memory. Any memory returned from Native
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# Wifi functions must be freed.
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WlanFreeMemory = wlanapi.WlanFreeMemory
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WlanFreeMemory.argtypes = [c_void_p]
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wireless_interfaces = None
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available = None
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_dict = {}
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# Private methods.
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def _connect(network, parameters):
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'''
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Attempts to connect to a specific network.
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'''
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global _dict
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wireless_interface = _dict[network]
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wcp = WLAN_CONNECTION_PARAMETERS()
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connection_mode = parameters['connection_mode']
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wcp.wlanConnectionMode = WLAN_CONNECTION_MODE(connection_mode)
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if connection_mode == 0 or connection_mode == 1:
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wcp.strProfile = LPCWSTR(parameters["profile"])
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else:
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wcp.strProfile = None
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dot11Ssid = DOT11_SSID()
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try:
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dot11Ssid.SSID = parameters["ssid"]
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dot11Ssid.SSIDLength = len(parameters["ssid"])
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except KeyError:
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dot11Ssid.SSID = network
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dot11Ssid.SSIDLength = len(network)
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wcp.pDot11Ssid = pointer(dot11Ssid)
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dot11bssid = DOT11_BSSID_LIST()
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bssid = parameters["bssidList"]
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dot11bssid.Header = bssid['Header']
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dot11bssid.uNumOfEntries = bssid['uNumOfEntries']
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dot11bssid.uTotalNumOfEntries = bssid['uTotalNumOfEntries']
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dot11bssid.BSSIDs = bssid['BSSIDs']
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wcp.pDesiredBssidList = pointer(dot11bssid)
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bssType = parameters["bssType"]
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wcp.dot11BssType = DOT11_BSS_TYPE(bssType)
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wcp.dwFlags = DWORD(parameters["flags"])
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NegotiatedVersion = DWORD()
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ClientHandle = HANDLE()
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wlan = WlanOpenHandle(1,
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None,
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byref(NegotiatedVersion),
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byref(ClientHandle))
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if wlan:
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sys_exit(FormatError(wlan))
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pInterfaceList = pointer(WLAN_INTERFACE_INFO_LIST())
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wlan = WlanEnumInterfaces(ClientHandle, None, byref(pInterfaceList))
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if wlan:
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sys_exit(FormatError(wlan))
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try:
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wlan = WlanConnect(ClientHandle,
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wireless_interface,
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wcp,
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None)
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if wlan:
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sys_exit(FormatError(wlan))
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WlanCloseHandle(ClientHandle, None)
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finally:
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WlanFreeMemory(pInterfaceList)
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def _disconnect():
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'''
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To disconnect an interface form the current network.
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'''
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NegotiatedVersion = DWORD()
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ClientHandle = HANDLE()
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wlan = WlanOpenHandle(
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1,
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None,
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byref(NegotiatedVersion),
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byref(ClientHandle)
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)
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if wlan:
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sys_exit(FormatError(wlan))
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pInterfaceList = pointer(WLAN_INTERFACE_INFO_LIST())
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wlan = WlanEnumInterfaces(ClientHandle, None, byref(pInterfaceList))
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if wlan:
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sys_exit(FormatError(wlan))
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result = None
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try:
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ifaces = customresize(
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pInterfaceList.contents.InterfaceInfo,
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pInterfaceList.contents.NumberOfItems
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)
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# find each available network for each interface
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for iface in ifaces:
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wlan = WlanDisconnect(
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ClientHandle,
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byref(iface.InterfaceGuid),
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None
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)
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if wlan:
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sys_exit(FormatError(wlan))
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WlanCloseHandle(ClientHandle, None)
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finally:
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WlanFreeMemory(pInterfaceList)
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result = get_available_wifi()
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return result
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def _start_scanning():
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'''
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Private method for scanning and returns the available devices.
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'''
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global available
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global wireless_interfaces
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NegotiatedVersion = DWORD()
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ClientHandle = HANDLE()
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wlan = WlanOpenHandle(
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1,
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None,
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byref(NegotiatedVersion),
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byref(ClientHandle)
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)
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if wlan:
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sys_exit(FormatError(wlan))
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# find all wireless network interfaces
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pInterfaceList = pointer(WLAN_INTERFACE_INFO_LIST())
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wlan = WlanEnumInterfaces(ClientHandle, None, byref(pInterfaceList))
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if wlan:
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sys_exit(FormatError(wlan))
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result = None
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try:
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ifaces = customresize(
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pInterfaceList.contents.InterfaceInfo,
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pInterfaceList.contents.NumberOfItems
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)
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# find each available network for each interface
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wireless_interfaces = ifaces
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for iface in ifaces:
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pAvailableNetworkList = pointer(WLAN_AVAILABLE_NETWORK_LIST())
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wlan = WlanGetAvailableNetworkList(
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ClientHandle,
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byref(iface.InterfaceGuid),
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0,
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None,
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byref(pAvailableNetworkList)
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)
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if wlan:
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sys_exit(FormatError(wlan))
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try:
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avail_net_list = pAvailableNetworkList.contents
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networks = customresize(
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avail_net_list.Network,
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avail_net_list.NumberOfItems
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)
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# Assigning the value of networks to the global variable
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# `available`, so it could be used in other methods.
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available = networks
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_make_dict()
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wlan = WlanDisconnect(
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ClientHandle,
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byref(iface.InterfaceGuid),
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None
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)
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if wlan:
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sys_exit(FormatError(wlan))
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WlanCloseHandle(ClientHandle, None)
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finally:
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WlanFreeMemory(pAvailableNetworkList)
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finally:
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WlanFreeMemory(pInterfaceList)
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result = get_available_wifi()
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return result
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def _get_network_info(name):
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'''
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returns the list of the network selected in a dict.
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'''
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global available
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global _dict
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net = _dict[name]
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dot11BssType = net.dot11BssType
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dot11DefaultAuthAlgorithm = net.dot11DefaultAuthAlgorithm
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dot11DefaultCipherAlgorithm = net.dot11DefaultCipherAlgorithm
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dot11PhyTypes = net.dot11PhyTypes[0]
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dot11Ssid = net.dot11Ssid
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wlanNotConnectableReason = net.wlanNotConnectableReason
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wlanSignalQuality = net.wlanSignalQuality
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return {"dot11BssType": dot11BssType,
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"dot11DefaultAuthAlgorithm": dot11DefaultAuthAlgorithm,
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"dot11DefaultCipherAlgorithm": dot11DefaultCipherAlgorithm,
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"dot11PhyTypes": dot11PhyTypes,
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"SSID": dot11Ssid.SSID,
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"SSIDLength": dot11Ssid.SSIDLength,
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"wlanNotConnectableReason": wlanNotConnectableReason,
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"wlanSignalQuality": wlanSignalQuality}
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def _make_dict():
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'''
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Prepares a dict so it could store network information.
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'''
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global available
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global _dict
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_dict = {}
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for network in available:
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_dict[network.dot11Ssid.SSID.decode('utf-8')] = network
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def _get_available_wifi():
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'''
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returns the available wifi networks.
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'''
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global _dict
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return _dict
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def _is_enabled():
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'''
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Reason for returning true is explained in widi facade.
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/plyer/facades/wifi.py
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'''
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return True
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# public methods.
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|
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def is_enabled():
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'''
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calls private method `_is_enabled` and returns the result.
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'''
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return _is_enabled()
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def connect(network, parameters):
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'''
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Connect to a network with following parameters.
|
|
'''
|
|
_connect(network=network, parameters=parameters)
|
|
|
|
|
|
def disconnect():
|
|
'''
|
|
Disconnect from a network.
|
|
'''
|
|
_disconnect()
|
|
|
|
|
|
def start_scanning():
|
|
'''
|
|
Start scanning for available wifi networks available.
|
|
'''
|
|
return _start_scanning()
|
|
|
|
|
|
def get_network_info(name):
|
|
'''
|
|
return the wifi network info.
|
|
'''
|
|
return _get_network_info(name=name)
|
|
|
|
|
|
def get_available_wifi():
|
|
'''
|
|
return the available wifi networks available
|
|
'''
|
|
return _get_available_wifi()
|