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#region Copyright notice and license
// Copyright 2015, Google Inc.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#endregion
using System;
using System.Runtime.InteropServices;
using System.Threading;
using System.Threading.Tasks;
namespace Grpc.Core.Internal
{
/// <summary>
/// grpc_credentials from <c>grpc/grpc_security.h</c>
/// </summary>
internal class CredentialsSafeHandle : SafeHandleZeroIsInvalid
{
[DllImport("grpc_csharp_ext.dll", CharSet = CharSet.Ansi)]
static extern CredentialsSafeHandle grpcsharp_ssl_credentials_create(string pemRootCerts, string keyCertPairCertChain, string keyCertPairPrivateKey);
[DllImport("grpc_csharp_ext.dll")]
static extern CredentialsSafeHandle grpcsharp_composite_credentials_create(CredentialsSafeHandle creds1, CredentialsSafeHandle creds2);
[DllImport("grpc_csharp_ext.dll")]
static extern void grpcsharp_credentials_release(IntPtr credentials);
private CredentialsSafeHandle()
{
}
public static CredentialsSafeHandle CreateNullCredentials()
{
var creds = new CredentialsSafeHandle();
creds.SetHandle(IntPtr.Zero);
return creds;
}
public static CredentialsSafeHandle CreateSslCredentials(string pemRootCerts, KeyCertificatePair keyCertPair)
{
if (keyCertPair != null)
{
return grpcsharp_ssl_credentials_create(pemRootCerts, keyCertPair.CertificateChain, keyCertPair.PrivateKey);
}
else
{
return grpcsharp_ssl_credentials_create(pemRootCerts, null, null);
}
}
public static CredentialsSafeHandle CreateComposite(CredentialsSafeHandle creds1, CredentialsSafeHandle creds2)
{
return grpcsharp_composite_credentials_create(creds1, creds2);
}
protected override bool ReleaseHandle()
{
grpcsharp_credentials_release(handle);
return true;
}
}
}
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