Imported Upstream version 5.0.0.42

Former-commit-id: fd56571888259555122d8a0f58c68838229cea2b

mcs/class/System/Mono.AppleTls/AppleTlsProvider.cs

@@ -0,0 +1,77 @@
+#if SECURITY_DEP && MONO_FEATURE_APPLETLS
+//
+// AppleTlsProvider.cs
+//
+// Author:
+//       Martin Baulig <martin.baulig@xamarin.com>
+//
+// Copyright (c) 2015 Xamarin, Inc.
+//
+
+#if MONO_SECURITY_ALIAS
+extern alias MonoSecurity;
+#endif
+
+using System;
+using System.IO;
+using System.Threading;
+using System.Threading.Tasks;
+using System.Security.Authentication;
+using System.Security.Cryptography.X509Certificates;
+
+using MNS = Mono.Net.Security;
+#if MONO_SECURITY_ALIAS
+using MonoSecurity::Mono.Security.Interface;
+#else
+using Mono.Security.Interface;
+#endif
+
+namespace Mono.AppleTls
+{
+	class AppleTlsProvider : MonoTlsProvider
+	{
+		static readonly Guid id = new Guid ("981af8af-a3a3-419a-9f01-a518e3a17c1c");
+
+		public override string Name {
+			get { return "apple-tls"; }
+		}
+
+		public override Guid ID {
+			get { return id; }
+		}
+
+		public override IMonoSslStream CreateSslStream (
+			Stream innerStream, bool leaveInnerStreamOpen,
+			MonoTlsSettings settings = null)
+		{
+			return new AppleTlsStream (innerStream, leaveInnerStreamOpen, settings, this);
+		}
+
+		public override bool SupportsSslStream {
+			get { return true; }
+		}
+
+		public override bool SupportsMonoExtensions {
+			get { return true; }
+		}
+
+		public override bool SupportsConnectionInfo {
+			get { return true; }
+		}
+
+		public override SslProtocols SupportedProtocols {
+			get { return SslProtocols.Tls12 | SslProtocols.Tls11 | SslProtocols.Tls; }
+		}
+
+		internal override bool ValidateCertificate (
+			ICertificateValidator2 validator, string targetHost, bool serverMode,
+			X509CertificateCollection certificates, bool wantsChain, ref X509Chain chain,
+			ref MonoSslPolicyErrors errors, ref int status11)
+		{
+			if (wantsChain)
+				chain = MNS.SystemCertificateValidator.CreateX509Chain (certificates);
+			return AppleCertificateHelper.InvokeSystemCertificateValidator (validator, targetHost, serverMode, certificates, ref errors, ref status11);
+		}
+	}
+}
+#endif