135 lines
3.9 KiB
C#
135 lines
3.9 KiB
C#
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//
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// MonoTlsStream.cs
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//
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// Author:
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// Martin Baulig <martin.baulig@xamarin.com>
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//
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// Copyright (c) 2015 Xamarin, Inc.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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#if SECURITY_DEP
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#if MONO_SECURITY_ALIAS
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extern alias MonoSecurity;
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#endif
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#if MONO_X509_ALIAS
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extern alias PrebuiltSystem;
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#endif
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#if MONO_SECURITY_ALIAS
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using MonoSecurity::Mono.Security.Interface;
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#else
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using Mono.Security.Interface;
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#endif
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#if MONO_X509_ALIAS
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using XX509CertificateCollection = PrebuiltSystem::System.Security.Cryptography.X509Certificates.X509CertificateCollection;
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#else
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using XX509CertificateCollection = System.Security.Cryptography.X509Certificates.X509CertificateCollection;
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#endif
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#endif
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using System;
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using System.IO;
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using System.Net;
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using System.Net.Sockets;
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using System.Net.Security;
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using System.Threading.Tasks;
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using System.Security.Authentication;
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using System.Security.Cryptography.X509Certificates;
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using System.Security.Principal;
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using System.Security.Cryptography;
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namespace Mono.Net.Security
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{
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class MonoTlsStream
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{
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readonly IMonoTlsProvider provider;
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readonly HttpWebRequest request;
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readonly NetworkStream networkStream;
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IMonoSslStream sslStream;
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WebExceptionStatus status;
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internal HttpWebRequest Request {
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get { return request; }
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}
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internal IMonoSslStream SslStream {
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get { return sslStream; }
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}
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internal WebExceptionStatus ExceptionStatus {
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get { return status; }
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}
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internal bool CertificateValidationFailed {
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get; set;
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}
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#if SECURITY_DEP
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readonly ChainValidationHelper validationHelper;
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readonly MonoTlsSettings settings;
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public MonoTlsStream (HttpWebRequest request, NetworkStream networkStream)
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{
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this.request = request;
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this.networkStream = networkStream;
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settings = request.TlsSettings;
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provider = request.TlsProvider ?? MonoTlsProviderFactory.GetProviderInternal ();
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status = WebExceptionStatus.SecureChannelFailure;
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validationHelper = ChainValidationHelper.Create (provider.Provider, ref settings, this);
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}
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internal Stream CreateStream (byte[] buffer)
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{
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sslStream = provider.CreateSslStream (networkStream, false, settings);
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try {
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sslStream.AuthenticateAsClient (
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request.Address.Host, (XX509CertificateCollection)(object)request.ClientCertificates,
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(SslProtocols)ServicePointManager.SecurityProtocol,
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ServicePointManager.CheckCertificateRevocationList);
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status = WebExceptionStatus.Success;
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} finally {
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if (CertificateValidationFailed)
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status = WebExceptionStatus.TrustFailure;
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request.ServicePoint.SetClientCertificate (sslStream.InternalLocalCertificate);
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if (status != WebExceptionStatus.Success)
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sslStream = null;
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}
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try {
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if (buffer != null)
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sslStream.Write (buffer, 0, buffer.Length);
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} catch {
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status = WebExceptionStatus.SendFailure;
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sslStream = null;
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throw;
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}
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return sslStream.AuthenticatedStream;
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}
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#endif
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}
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}
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