Gary Sharp
389 lines
20 KiB
C#
389 lines
20 KiB
C#
using Disco.Client.Interop.Native;
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using Disco.Models.ClientServices.EnrolmentInformation;
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Runtime.InteropServices;
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using System.Text;
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using System.Text.RegularExpressions;
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using System.Xml.Linq;
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namespace Disco.Client.Interop
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{
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public static class WirelessNetwork
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{
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public static void ApplyWlanInformation(this List<NetworkAdapter> Adapters)
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{
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try
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{
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IntPtr wlanHandle;
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uint wlanServiceVersion;
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if (WlanApi.WlanOpenHandle(WlanApi.WLAN_API_VERSION_2_0, IntPtr.Zero, out wlanServiceVersion, out wlanHandle) == WlanApi.ERROR_SUCCESS)
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{
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try
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{
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IntPtr wlanInterfacesPtr;
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if (WlanApi.WlanEnumInterfaces(wlanHandle, IntPtr.Zero, out wlanInterfacesPtr) == WlanApi.ERROR_SUCCESS)
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{
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try
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{
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var wlanInterfaces = new WLAN_INTERFACE_INFO_LIST(wlanInterfacesPtr);
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foreach (var wlanInterface in wlanInterfaces.InterfaceInfo)
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{
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var adapter = Adapters.FirstOrDefault(a => a.ConnectionIdentifier == wlanInterface.InterfaceGuid);
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if (adapter != null)
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{
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adapter.IsWlanAdapter = true;
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adapter.WlanStatus = wlanInterface.isState.Description();
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}
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}
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}
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finally
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{
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WlanApi.WlanFreeMemory(wlanInterfacesPtr);
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}
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}
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}
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finally
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{
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WlanApi.WlanCloseHandle(wlanHandle, IntPtr.Zero);
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}
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}
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}
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catch (DllNotFoundException)
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{
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// Ignore
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// Indicates 'Wlanapi.dll' isn't present (ie. Servers)
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}
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catch (Exception ex)
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{
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throw new Exception("Disco ICT Client was unable to retrieve Wireless NetworkAdapter information from WlanApi", ex);
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}
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}
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public static List<WirelessProfile> GetWirelessProfiles()
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{
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try
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{
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IntPtr wlanHandle;
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uint wlanServiceVersion;
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uint interopResult;
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// Connect to wireless service
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interopResult = WlanApi.WlanOpenHandle(WlanApi.WLAN_API_VERSION_2_0, IntPtr.Zero, out wlanServiceVersion, out wlanHandle);
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if (interopResult == WlanApi.ERROR_SERVICE_NOT_ACTIVE)
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{
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// Indicates the Wlan service has not been started on the client
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// typically as it is not needed (no wireless adapter) or if it
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// has been forcibly disabled.
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return null;
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}
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if (interopResult != WlanApi.ERROR_SUCCESS)
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{
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throw new Exception($"Unable to connect to local wireless service. WlanOpenHandle returned: {interopResult}");
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}
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try
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{
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return GetWirelessProfiles(wlanHandle);
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}
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finally
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{
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WlanApi.WlanCloseHandle(wlanHandle, IntPtr.Zero);
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}
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}
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catch (DllNotFoundException)
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{
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// Indicates 'Wlanapi.dll' isn't present (ie. Servers)
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return null;
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}
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catch (Exception ex)
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{
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throw new Exception("Disco ICT Client was unable to retrieve Wireless Profiles from WlanApi", ex);
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}
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}
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private static List<WirelessProfile> GetWirelessProfiles(IntPtr wlanHandle)
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{
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uint interopResult;
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IntPtr wlanInterfacesPtr;
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// Enumerate wireless interfaces
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interopResult = WlanApi.WlanEnumInterfaces(wlanHandle, IntPtr.Zero, out wlanInterfacesPtr);
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if (interopResult != WlanApi.ERROR_SUCCESS)
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{
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throw new Exception($"Unable to list interfaces with the local wireless service. WlanEnumInterfaces returned: {interopResult}");
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}
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try
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{
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var wlanInterfaces = new WLAN_INTERFACE_INFO_LIST(wlanInterfacesPtr);
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var profiles = new List<WirelessProfile>();
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foreach (var wlanInterface in wlanInterfaces.InterfaceInfo)
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{
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IntPtr wlanProfilesPtr;
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// Enumerate wireless profiles for interface
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interopResult = WlanApi.WlanGetProfileList(wlanHandle, wlanInterface.InterfaceGuid, IntPtr.Zero, out wlanProfilesPtr);
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if (interopResult != WlanApi.ERROR_SUCCESS)
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{
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throw new Exception($"Unable to list wireless profiles for the {wlanInterface.InterfaceGuid} interface with the local wireless service. WlanGetProfileList returned: {interopResult}");
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}
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try
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{
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var wlanProfiles = new WLAN_PROFILE_INFO_LIST(wlanProfilesPtr);
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foreach (var wlanProfile in wlanProfiles.ProfileInfo)
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{
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profiles.Add(new WirelessProfile()
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{
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Name = wlanProfile.strInterfaceDescription,
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InterfaceGuid = wlanInterface.InterfaceGuid,
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IsGroupPolicy = wlanProfile.dwFlags.HasFlag(ProfileInfoFlags.WLAN_PROFILE_GROUP_POLICY)
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});
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}
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}
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finally
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{
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WlanApi.WlanFreeMemory(wlanProfilesPtr);
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}
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}
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return profiles;
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}
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finally
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{
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WlanApi.WlanFreeMemory(wlanInterfacesPtr);
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}
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}
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public static void Apply(this WirelessProfileStore ProfileStore)
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{
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var adapters = Network.GetNetworkAdapters().Where(a => a.IsWlanAdapter).ToList();
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try
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{
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IntPtr wlanHandle;
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uint wlanServiceVersion;
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uint interopResult;
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// Connect to wireless service
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interopResult = WlanApi.WlanOpenHandle(WlanApi.WLAN_API_VERSION_2_0, IntPtr.Zero, out wlanServiceVersion, out wlanHandle);
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if (interopResult == WlanApi.ERROR_SERVICE_NOT_ACTIVE)
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{
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// Indicates the Wlan service has not been started on the client
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// typically as it is not needed (no wireless adapter) or if it
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// has been forcibly disabled.
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Presentation.UpdateStatus("Enrolling Device", $"Configuring Wireless Profiles\r\nSkipping, the WLAN service is not enabled", true, -1, 3000);
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return;
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}
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if (interopResult != WlanApi.ERROR_SUCCESS)
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{
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throw new Exception($"Unable to connect to local wireless service. WlanOpenHandle returned: {interopResult}");
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}
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try
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{
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var existingProfiles = GetWirelessProfiles(wlanHandle);
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var addedProfiles = new List<string>();
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// Remove Profiles
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if (ProfileStore.RemoveNames != null && ProfileStore.RemoveNames.Count > 0)
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{
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var profileRemoved = false;
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foreach (var removeName in ProfileStore.RemoveNames)
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{
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var foundProfiles = existingProfiles.Where(p => p.Name == removeName);
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foreach (var profile in foundProfiles)
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{
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var adapter = adapters.FirstOrDefault(a => a.ConnectionIdentifier == profile.InterfaceGuid);
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if (profile.IsGroupPolicy == true)
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{
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Presentation.UpdateStatus("Enrolling Device", $"Configuring Wireless Profiles\r\nUnable to remove Group Policy Wireless Profile '{removeName}' from '{adapter?.NetConnectionID ?? profile.InterfaceGuid.ToString()}'", true, -1, 3000);
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}
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else
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{
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Presentation.UpdateStatus("Enrolling Device", $"Configuring Wireless Profiles\r\nRemoving Wireless Profile '{removeName}' from '{adapter?.NetConnectionID ?? profile.InterfaceGuid.ToString()}'", true, -1, 1000);
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interopResult = WlanApi.WlanDeleteProfile(wlanHandle, profile.InterfaceGuid.Value, profile.Name, IntPtr.Zero);
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if (interopResult != WlanApi.ERROR_SUCCESS)
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{
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Presentation.UpdateStatus("Enrolling Device", $"Configuring Wireless Profiles\r\nFailed to remove Wireless Profile '{removeName}' from '{adapter?.NetConnectionID ?? profile.InterfaceGuid.ToString()}'; WlanDeleteProfile returned: {interopResult}", true, -1, 3000);
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}
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profileRemoved = true;
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}
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}
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}
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if (profileRemoved)
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{
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existingProfiles = GetWirelessProfiles(wlanHandle);
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}
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}
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// Add Profiles
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if (ProfileStore.Profiles != null && ProfileStore.Profiles.Count > 0)
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{
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foreach (var addProfile in ProfileStore.Profiles)
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{
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foreach (var adapter in adapters)
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{
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var existingProfile = existingProfiles.FirstOrDefault(p => p.Name == addProfile.Name && p.InterfaceGuid == adapter.ConnectionIdentifier);
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if (addProfile.ForceDeployment.Value ||
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existingProfile == null)
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{
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if (existingProfile != null && existingProfile.IsGroupPolicy.Value)
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{
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Presentation.UpdateStatus("Enrolling Device", $"Configuring Wireless Profiles\r\nSkipped Wireless Profile '{addProfile.Name}' on '{adapter.NetConnectionID}' as this profile is managed by Group Policy", true, -1, 3000);
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}
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else
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{
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uint pdwReasonCode;
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Presentation.UpdateStatus("Enrolling Device", $"Configuring Wireless Profiles\r\nAdding Wireless Profile '{addProfile.Name}' on '{adapter.NetConnectionID}'", true, -1, 1000);
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interopResult = WlanApi.WlanSetProfile(wlanHandle, adapter.ConnectionIdentifier, 0, addProfile.ProfileXml, null, true, IntPtr.Zero, out pdwReasonCode);
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if (interopResult != WlanApi.ERROR_SUCCESS)
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{
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// Get Reason Code
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var reason = new StringBuilder(256);
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WlanApi.WlanReasonCodeToString(pdwReasonCode, (uint)reason.Capacity, ref reason, IntPtr.Zero);
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Presentation.UpdateStatus("Enrolling Device", $"Configuring Wireless Profiles\r\nFailed to add Wireless Profile '{addProfile.Name}' on '{adapter.NetConnectionID}'; WlanSetProfile returned: {interopResult}; {reason.ToString()}", true, -1, 3000);
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}
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}
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addedProfiles.Add(addProfile.Name);
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}
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}
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}
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}
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// Transform Profiles
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if (ProfileStore.Transformations != null && ProfileStore.Transformations.Count > 0)
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{
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foreach (var transformGroup in ProfileStore.Transformations.GroupBy(t => t.Name))
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{
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var profileName = transformGroup.Key;
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// Don't transform if just added
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if (!addedProfiles.Contains(transformGroup.Key))
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{
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foreach (var adapter in adapters)
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{
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var existingProfile = existingProfiles.FirstOrDefault(p => p.Name == profileName && p.InterfaceGuid == adapter.ConnectionIdentifier);
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if (existingProfile != null)
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{
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if (existingProfile.IsGroupPolicy.Value)
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{
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Presentation.UpdateStatus("Enrolling Device", $"Configuring Wireless Profiles\r\nSkipped Wireless Profile '{profileName}' on '{adapter.NetConnectionID}' as this profile is managed by Group Policy", true, -1, 3000);
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}
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else
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{
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// Load profile
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IntPtr pstrProfileXml;
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uint pdwFlags;
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IntPtr pdwGrantAccess;
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interopResult = WlanApi.WlanGetProfile(wlanHandle, adapter.ConnectionIdentifier, profileName, IntPtr.Zero, out pstrProfileXml, out pdwFlags, out pdwGrantAccess);
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if (interopResult == WlanApi.ERROR_SUCCESS)
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{
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try
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{
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var profileXml = Marshal.PtrToStringUni(pstrProfileXml);
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var originalProfileXml = XElement.Parse(profileXml);
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var transformProfileXml = originalProfileXml.ToString(SaveOptions.DisableFormatting);
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// Apply Transforms
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foreach (var transform in transformGroup)
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{
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var regex = new Regex(transform.RegularExpression, RegexOptions.Singleline);
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transformProfileXml = regex.Replace(transformProfileXml, transform.RegularExpressionReplacement);
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}
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// Compare XML
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var transformedProfileXml = XElement.Parse(transformProfileXml);
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if (!XNode.DeepEquals(originalProfileXml, transformedProfileXml))
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{
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// Set Profile
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uint pdwReasonCode;
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Presentation.UpdateStatus("Enrolling Device", $"Configuring Wireless Profiles\r\nModifying Wireless Profile '{profileName}' on '{adapter.NetConnectionID}'", true, -1, 1000);
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transformProfileXml = transformedProfileXml.ToString(SaveOptions.None);
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interopResult = WlanApi.WlanSetProfile(wlanHandle, adapter.ConnectionIdentifier, 0, transformProfileXml, null, true, IntPtr.Zero, out pdwReasonCode);
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if (interopResult != WlanApi.ERROR_SUCCESS)
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{
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// Get Reason Code
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var reason = new StringBuilder(256);
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WlanApi.WlanReasonCodeToString(pdwReasonCode, (uint)reason.Capacity, ref reason, IntPtr.Zero);
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Presentation.UpdateStatus("Enrolling Device", $"Configuring Wireless Profiles\r\nFailed to modify Wireless Profile '{profileName}' to '{adapter.NetConnectionID}'; WlanSetProfile returned: {interopResult}; {reason.ToString()}", true, -1, 3000);
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}
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}
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}
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finally
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{
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WlanApi.WlanFreeMemory(pstrProfileXml);
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}
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}
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else
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{
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Presentation.UpdateStatus("Enrolling Device", $"Configuring Wireless Profiles\r\nFailed to transform Wireless Profile '{profileName}' on '{adapter.NetConnectionID}'; WlanGetProfile returned: {interopResult}", true, -1, 3000);
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}
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}
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}
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}
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}
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}
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}
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}
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finally
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{
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WlanApi.WlanCloseHandle(wlanHandle, IntPtr.Zero);
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}
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}
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catch (DllNotFoundException)
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{
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// Indicates 'Wlanapi.dll' isn't present (ie. Servers)
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// Ignore policies
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}
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catch (Exception ex)
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{
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throw new Exception("Disco ICT Client was unable to apply Wireless Profile Changes using WlanApi", ex);
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}
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}
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public static string Description(this WLAN_INTERFACE_STATE State)
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{
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switch (State)
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{
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case WLAN_INTERFACE_STATE.wlan_interface_state_not_ready:
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return "Not Ready";
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case WLAN_INTERFACE_STATE.wlan_interface_state_connected:
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return "Connected";
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case WLAN_INTERFACE_STATE.wlan_interface_state_ad_hoc_network_formed:
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return "Ad Hoc Network";
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case WLAN_INTERFACE_STATE.wlan_interface_state_disconnecting:
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return "Disconnecting";
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case WLAN_INTERFACE_STATE.wlan_interface_state_disconnected:
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return "Disconnected";
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case WLAN_INTERFACE_STATE.wlan_interface_state_associating:
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return "Associating";
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case WLAN_INTERFACE_STATE.wlan_interface_state_discovering:
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return "Discovering";
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case WLAN_INTERFACE_STATE.wlan_interface_state_authenticating:
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return "Authenticating";
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default:
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return "Unknown";
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}
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}
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}
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}
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