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