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POWindows WlanApi and Python Ctypes
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  1. POWindows WlanApi and Python Ctypes
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    copied!<p>I'm working on a captive portal projet on Windows. I've written this piece of code (similar to <a href="http://msdn.microsoft.com/en-us/library/windows/desktop/ms706716%28v=VS.85%29.aspx" rel="nofollow">this</a>) :</p> <pre><code>from ctypes import wintypes import ctypes WlanApi = ctypes.windll.wlanapi hClientHandle = wintypes.HANDLE() phClientHandle = ctypes.pointer(hClientHandle) dwNegotiatedVersion = wintypes.DWORD() pdwNegotiatedVersion = ctypes.pointer(dwNegotiatedVersion) dwClientVersion = wintypes.DWORD() dwClientVersion.value = 2L rc = WlanApi.WlanOpenHandle(dwClientVersion, None, pdwNegotiatedVersion, phClientHandle) print rc class GUID(ctypes.Structure): _fields_ = [("Data1", wintypes.DWORD), ("Data2", wintypes.WORD), ("Data3", wintypes.WORD), ("Data4", wintypes.BYTE * 8)] class WLAN_INTERFACE_INFO (ctypes.Structure): _fields_ = [('InterfaceGuid', GUID), ('strInterfaceDescription', wintypes.WCHAR * 256), ('isState', wintypes.????)] class WLAN_INTERFACE_INFO_LIST(ctypes.Structure): _fields_ = [('dwNumberOfItems', wintypes.DWORD), ('dwIndex', wintypes.DWORD), ('InterfaceInfo', WLAN_INTERFACE_INFO * 10)] IfList = WLAN_INTERFACE_INFO_LIST() pIfList = ctypes.pointer(IfList) rc = WlanApi.WlanEnumInterfaces(hClientHandle, None, pIfList) print rc print "Num Entries: %s" % IfList.dwNumberOfItems </code></pre> <p>I can't find how to structure "<a href="http://msdn.microsoft.com/en-us/library/windows/desktop/ms706877%28v=VS.85%29.aspx" rel="nofollow">WLAN_INTERFACE_STATE enumeration</a>" and when I try with a <code>WCHAR</code> array or anything else, this script return my 6000000 wireless interfaces !!!</p> <p>Can somebody help me?</p>
 

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