Imported Upstream version 4.6.0.125

Former-commit-id: a2155e9bd80020e49e72e86c44da02a8ac0e57a4

mcs/class/referencesource/System.ServiceModel/System/ServiceModel/NetNamedPipeSecurity.cs

@@ -0,0 +1,89 @@
+//----------------------------------------------------------------------------
+// Copyright (c) Microsoft Corporation.  All rights reserved.
+//----------------------------------------------------------------------------
+namespace System.ServiceModel
+{
+    using System.Net.Security;
+    using System.ServiceModel.Channels;
+    using System.ComponentModel;
+
+    public sealed class NetNamedPipeSecurity
+    {
+        internal const NetNamedPipeSecurityMode DefaultMode = NetNamedPipeSecurityMode.Transport;
+        NetNamedPipeSecurityMode mode;
+        NamedPipeTransportSecurity transport = new NamedPipeTransportSecurity();
+
+        public NetNamedPipeSecurity()
+        {
+            this.mode = DefaultMode;
+        }
+
+        NetNamedPipeSecurity(NetNamedPipeSecurityMode mode, NamedPipeTransportSecurity transport)
+        {
+            this.mode = mode;
+            this.transport = transport == null ? new NamedPipeTransportSecurity() : transport;
+        }
+
+        [DefaultValue(DefaultMode)]
+        public NetNamedPipeSecurityMode Mode
+        {
+            get { return this.mode; }
+            set
+            {
+                if (!NetNamedPipeSecurityModeHelper.IsDefined(value))
+                {
+                    throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentOutOfRangeException("value"));
+                }
+                this.mode = value;
+            }
+        }
+
+        public NamedPipeTransportSecurity Transport
+        {
+            get { return this.transport; }
+            set
+            {
+                if (value == null)
+                    throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("value");
+                this.transport = value;
+            }
+        }
+
+        internal WindowsStreamSecurityBindingElement CreateTransportSecurity()
+        {
+            if (mode == NetNamedPipeSecurityMode.Transport)
+            {
+                return this.transport.CreateTransportProtectionAndAuthentication();
+            }
+            else
+            {
+                return null;
+            }
+        }
+
+        internal static bool TryCreate(WindowsStreamSecurityBindingElement wssbe, NetNamedPipeSecurityMode mode, out NetNamedPipeSecurity security)
+        {
+            security = null;
+            NamedPipeTransportSecurity transportSecurity = new NamedPipeTransportSecurity();
+            if (mode == NetNamedPipeSecurityMode.Transport)
+            {
+                if (!NamedPipeTransportSecurity.IsTransportProtectionAndAuthentication(wssbe, transportSecurity))
+                    return false;
+            }
+            security = new NetNamedPipeSecurity(mode, transportSecurity);
+            return true;
+        }
+
+        [EditorBrowsable(EditorBrowsableState.Never)]
+        public bool ShouldSerializeTransport()
+        {
+            if (this.transport.ProtectionLevel == ConnectionOrientedTransportDefaults.ProtectionLevel)
+            {
+                return false;
+            }
+            return true;
+        }
+    }
+}
+
+