// Copyright (c) Microsoft Open Technologies, Inc.
// All Rights Reserved
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// THIS CODE IS PROVIDED *AS IS* BASIS, WITHOUT WARRANTIES OR
// CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING
// WITHOUT LIMITATION ANY IMPLIED WARRANTIES OR CONDITIONS OF
// TITLE, FITNESS FOR A PARTICULAR PURPOSE, MERCHANTABLITY OR
// NON-INFRINGEMENT.
// See the Apache 2 License for the specific language governing
// permissions and limitations under the License.

//------------------------------------------------------------------------------
// <copyright file="_NativeSSPI.cs" company="Microsoft">
//     Copyright (c) Microsoft Corporation.  All rights reserved.
// </copyright>
//------------------------------------------------------------------------------

using System;
using System.Globalization;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;

namespace Microsoft.AspNet.Security.Windows
{
    // used to define the interface for security to use.
    internal interface ISSPIInterface
    {
        SecurityPackageInfoClass[] SecurityPackages { get; set; }
        int EnumerateSecurityPackages(out int pkgnum, out SafeFreeContextBuffer pkgArray);
        int AcquireCredentialsHandle(string moduleName, CredentialUse usage, ref AuthIdentity authdata, out SafeFreeCredentials outCredential);
        int AcquireCredentialsHandle(string moduleName, CredentialUse usage, ref SafeSspiAuthDataHandle authdata, out SafeFreeCredentials outCredential);
        int AcquireDefaultCredential(string moduleName, CredentialUse usage, out SafeFreeCredentials outCredential);
        int AcquireCredentialsHandle(string moduleName, CredentialUse usage, ref SecureCredential authdata, out SafeFreeCredentials outCredential);
        int AcceptSecurityContext(ref SafeFreeCredentials credential, ref SafeDeleteContext context, SecurityBuffer inputBuffer, ContextFlags inFlags, 
            Endianness endianness, SecurityBuffer outputBuffer, ref ContextFlags outFlags);
        int AcceptSecurityContext(SafeFreeCredentials credential, ref SafeDeleteContext context, SecurityBuffer[] inputBuffers, ContextFlags inFlags, 
            Endianness endianness, SecurityBuffer outputBuffer, ref ContextFlags outFlags);
        int InitializeSecurityContext(ref SafeFreeCredentials credential, ref SafeDeleteContext context, string targetName, ContextFlags inFlags, 
            Endianness endianness, SecurityBuffer inputBuffer, SecurityBuffer outputBuffer, ref ContextFlags outFlags);
        int InitializeSecurityContext(SafeFreeCredentials credential, ref SafeDeleteContext context, string targetName, ContextFlags inFlags, 
            Endianness endianness, SecurityBuffer[] inputBuffers, SecurityBuffer outputBuffer, ref ContextFlags outFlags);
        int EncryptMessage(SafeDeleteContext context, SecurityBufferDescriptor inputOutput, uint sequenceNumber);
        int DecryptMessage(SafeDeleteContext context, SecurityBufferDescriptor inputOutput, uint sequenceNumber);
        int MakeSignature(SafeDeleteContext context, SecurityBufferDescriptor inputOutput, uint sequenceNumber);
        int VerifySignature(SafeDeleteContext context, SecurityBufferDescriptor inputOutput, uint sequenceNumber);

        int QueryContextChannelBinding(SafeDeleteContext phContext, ContextAttribute attribute, out SafeFreeContextBufferChannelBinding refHandle);
        int QueryContextAttributes(SafeDeleteContext phContext, ContextAttribute attribute, byte[] buffer, Type handleType, out SafeHandle refHandle);
        int SetContextAttributes(SafeDeleteContext phContext, ContextAttribute attribute, byte[] buffer);
        int QuerySecurityContextToken(SafeDeleteContext phContext, out SafeCloseHandle phToken);
        int CompleteAuthToken(ref SafeDeleteContext refContext, SecurityBuffer[] inputBuffers);
    }
}