69 lines
2.6 KiB
C#
69 lines
2.6 KiB
C#
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//------------------------------------------------------------------------------
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// <copyright file="TlsTokenBindingHandle.cs" company="Microsoft">
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// Copyright (c) Microsoft Corporation. All rights reserved.
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// </copyright>
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//------------------------------------------------------------------------------
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namespace System.Web.Util {
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using System;
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using System.Diagnostics.CodeAnalysis;
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using System.Runtime.CompilerServices;
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using System.Runtime.InteropServices;
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using System.Web.Hosting;
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internal sealed class TlsTokenBindingHandle : HeapAllocHandle {
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[SuppressMessage("Microsoft.Reliability", "CA2006:UseSafeHandleToEncapsulateNativeResources", Justification = @"Pointer is valid while this SafeHandle is valid.")]
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private readonly IntPtr _providedTokenBlob;
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private readonly uint _providedTokenBlobSize;
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[SuppressMessage("Microsoft.Reliability", "CA2006:UseSafeHandleToEncapsulateNativeResources", Justification = @"Pointer is valid while this SafeHandle is valid.")]
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private readonly IntPtr _referredTokenBlob;
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private readonly uint _referredtokenBlobSize;
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internal TlsTokenBindingHandle(IntPtr mgdContext) {
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int hr = UnsafeIISMethods.MgdGetTlsTokenBindingIdentifiers(
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mgdContext,
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ref handle,
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out _providedTokenBlob,
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out _providedTokenBlobSize,
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out _referredTokenBlob,
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out _referredtokenBlobSize);
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Misc.ThrowIfFailedHr(hr);
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}
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public byte[] GetProvidedToken() {
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return GetTokenImpl(_providedTokenBlob, _providedTokenBlobSize);
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}
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public byte[] GetReferredToken() {
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return GetTokenImpl(_referredTokenBlob, _referredtokenBlobSize);
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}
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private byte[] GetTokenImpl(IntPtr blob, uint blobSize) {
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if (blob == IntPtr.Zero || blobSize == 0) {
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return null;
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}
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else {
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byte[] retVal = new byte[blobSize];
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int length = retVal.Length; // checks for overflow
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bool refAdded = false;
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RuntimeHelpers.PrepareConstrainedRegions();
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try
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{
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DangerousAddRef(ref refAdded);
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Marshal.Copy(blob, retVal, 0, length);
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}
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finally
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{
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if (refAdded)
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{
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DangerousRelease();
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}
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}
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return retVal;
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}
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}
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}
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}
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