Imported Upstream version 4.3.2.467

Former-commit-id: 9c2cb47f45fa221e661ab616387c9cda183f283d
2016-02-22 11:00:01 -05:00
parent f302175246
commit f3e3aab35a
4097 changed files with 122406 additions and 82300 deletions
--- a/external/referencesource/System.Web/Util/TlsTokenBindingHandle.cs
+++ b/external/referencesource/System.Web/Util/TlsTokenBindingHandle.cs
@@ -0,0 +1,68 @@
+//------------------------------------------------------------------------------
+// <copyright file="TlsTokenBindingHandle.cs" company="Microsoft">
+//     Copyright (c) Microsoft Corporation.  All rights reserved.
+// </copyright>
+//------------------------------------------------------------------------------
+
+namespace System.Web.Util {
+    using System;
+    using System.Diagnostics.CodeAnalysis;
+    using System.Runtime.CompilerServices;
+    using System.Runtime.InteropServices;
+    using System.Web.Hosting;
+
+    internal sealed class TlsTokenBindingHandle : HeapAllocHandle {
+        [SuppressMessage("Microsoft.Reliability", "CA2006:UseSafeHandleToEncapsulateNativeResources", Justification = @"Pointer is valid while this SafeHandle is valid.")]
+        private readonly IntPtr _providedTokenBlob;
+        private readonly uint _providedTokenBlobSize;
+        [SuppressMessage("Microsoft.Reliability", "CA2006:UseSafeHandleToEncapsulateNativeResources", Justification = @"Pointer is valid while this SafeHandle is valid.")]
+        private readonly IntPtr _referredTokenBlob;
+        private readonly uint _referredtokenBlobSize;
+
+        internal TlsTokenBindingHandle(IntPtr mgdContext) {
+            int hr = UnsafeIISMethods.MgdGetTlsTokenBindingIdentifiers(
+                mgdContext,
+                ref handle,
+                out _providedTokenBlob,
+                out _providedTokenBlobSize,
+                out _referredTokenBlob,
+                out _referredtokenBlobSize);
+            Misc.ThrowIfFailedHr(hr);
+        }
+
+        public byte[] GetProvidedToken() {
+            return GetTokenImpl(_providedTokenBlob, _providedTokenBlobSize);
+        }
+
+        public byte[] GetReferredToken() {
+            return GetTokenImpl(_referredTokenBlob, _referredtokenBlobSize);
+        }
+
+        private byte[] GetTokenImpl(IntPtr blob, uint blobSize) {
+            if (blob == IntPtr.Zero || blobSize == 0) {
+                return null;
+            }
+            else {
+                byte[] retVal = new byte[blobSize];
+                int length = retVal.Length; // checks for overflow
+                bool refAdded = false;
+
+                RuntimeHelpers.PrepareConstrainedRegions();
+                try
+                {
+                    DangerousAddRef(ref refAdded);
+                    Marshal.Copy(blob, retVal, 0, length);
+                }
+                finally
+                {
+                    if (refAdded)
+                    {
+                        DangerousRelease();
+                    }
+                }
+
+                return retVal;
+            }
+        }
+    }
+}