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Changed how internal structures are created for handling SecureBuffers.

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This commit is contained in:
antiduh
2014-06-22 03:35:47 +00:00
parent 1c5849ba94
commit a079449f85
5 changed files with 150 additions and 50 deletions
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68
Contexts/ClientContext.cs
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@@ -21,54 +21,30 @@ namespace NSspi.Contexts
ContextAttrib newContextAttribs = 0;
SecurityStatus status;
SecureBufferDesc descriptor;
SecureBuffer secureBuffer;
byte[] tokenBuffer = new byte[100000];
GCHandle tokenBufferHandle;
GCHandle bufferArrayHandle;
GCHandle descriptorHandle;
SecureBuffer[] bufferArray;
SecureBuffer tokenBuffer = new SecureBuffer( new byte[12288], BufferType.Token );
SecureBufferAdapter list = new SecureBufferAdapter( tokenBuffer );
tokenBufferHandle = GCHandle.Alloc( tokenBuffer, GCHandleType.Pinned );
secureBuffer = new SecureBuffer();
secureBuffer.Type = BufferType.Token;
secureBuffer.Count = tokenBuffer.Length;
secureBuffer.Buffer = tokenBufferHandle.AddrOfPinnedObject();
bufferArray = new SecureBuffer[1];
bufferArray[0] = secureBuffer;
bufferArrayHandle = GCHandle.Alloc( bufferArray, GCHandleType.Pinned );
using ( list )
{
status = NativeMethods.InitializeSecurityContext_Client1(
ref credHandle,
IntPtr.Zero,
serverPrinc,
attribs,
0,
SecureBufferDataRep.Network,
IntPtr.Zero,
0,
ref newContextHandle,
list.Handle,
ref newContextAttribs,
ref expiry
);
}
descriptor = new SecureBufferDesc();
descriptor.Version = SecureBufferDesc.ApiVersion;
descriptor.NumBuffers = bufferArray.Length;
descriptor.Buffers = bufferArrayHandle.AddrOfPinnedObject();
descriptorHandle = GCHandle.Alloc( descriptor, GCHandleType.Pinned );
status = NativeMethods.InitializeSecurityContext_Client1(
ref credHandle,
IntPtr.Zero,
serverPrinc,
attribs,
0,
SecureBufferDataRep.Network,
IntPtr.Zero,
0,
ref newContextHandle,
descriptorHandle.AddrOfPinnedObject(),
ref newContextAttribs,
ref expiry
);
descriptorHandle.Free();
bufferArrayHandle.Free();
tokenBufferHandle.Free();
secureBuffer = bufferArray[0];
Console.Out.WriteLine( status );
Console.Out.WriteLine( "Call status: " + status );
Console.Out.WriteLine( "Buffer length: " + tokenBuffer.Length );
Console.Out.WriteLine( "First bytes: " + tokenBuffer.Buffer[0] );
base.ContextHandle = newContextHandle;
}