public SecBuffer[] ToArray()
{
SecBuffer[] buffers = new SecBuffer[cBuffers];
int size = Marshal.SizeOf(typeof(SecBuffer));
for (int i = 0; i < cBuffers; ++i)
{
buffers[i] = (SecBuffer)Marshal.PtrToStructure(pBuffers + (i * size), typeof(SecBuffer));
}
return(buffers);
}
private bool GenClientContext(byte[] token)
{
using (DisposableList list = new DisposableList())
{
SecStatusCode result = 0;
SecBuffer out_sec_buffer = list.AddResource(new SecBuffer(SecBufferType.Token, 8192));
SecBufferDesc out_buffer_desc = list.AddResource(new SecBufferDesc(out_sec_buffer));
InitializeContextRetFlags flags;
LargeInteger expiry = new LargeInteger();
if (token != null)
{
SecBuffer in_sec_buffer = list.AddResource(new SecBuffer(SecBufferType.Token, token));
SecBufferDesc in_buffer_desc = list.AddResource(new SecBufferDesc(in_sec_buffer));
result = SecurityNativeMethods.InitializeSecurityContext(_creds.CredHandle, _context, _target, _req_attributes, 0,
_data_rep, in_buffer_desc, 0, _context, out_buffer_desc, out flags, expiry).CheckResult();
Flags = flags;
}
else
{
result = SecurityNativeMethods.InitializeSecurityContext(_creds.CredHandle, null, _target,
_req_attributes, 0, _data_rep, null, 0, _context,
out_buffer_desc, out flags, expiry).CheckResult();
}
Expiry = expiry.QuadPart;
Flags = flags;
if (result == SecStatusCode.CompleteNeeded || result == SecStatusCode.CompleteAndContinue)
{
SecurityNativeMethods.CompleteAuthToken(_context, out_buffer_desc).CheckResult();
}
Token = out_buffer_desc.ToArray()[0].ToArray();
return(!(result == SecStatusCode.ContinueNeeded || result == SecStatusCode.CompleteAndContinue));
}
}
private bool GenServerContext(
bool new_context, byte[] token)
{
using (DisposableList list = new DisposableList())
{
SecBuffer out_sec_buffer = list.AddResource(new SecBuffer(SecBufferType.Token, 8192));
SecBufferDesc out_buffer_desc = list.AddResource(new SecBufferDesc(out_sec_buffer));
SecBuffer in_sec_buffer = list.AddResource(new SecBuffer(SecBufferType.Token, token));
SecBufferDesc in_buffer_desc = list.AddResource(new SecBufferDesc(in_sec_buffer));
LargeInteger expiry = new LargeInteger();
SecStatusCode result = SecurityNativeMethods.AcceptSecurityContext(_creds.CredHandle, new_context ? null : _context,
in_buffer_desc, _req_flags, _data_rep, _context, out_buffer_desc, out AcceptContextRetFlags context_attr, expiry).CheckResult();
Flags = context_attr;
Expiry = expiry.QuadPart;
if (result == SecStatusCode.CompleteNeeded || result == SecStatusCode.CompleteAndContinue)
{
SecurityNativeMethods.CompleteAuthToken(_context, out_buffer_desc).CheckResult();
}
Token = out_buffer_desc.ToArray()[0].ToArray();
return(!(result == SecStatusCode.ContinueNeeded || result == SecStatusCode.CompleteAndContinue));
}
}
public SecBufferDesc(SecBuffer buffer) : this(new SecBuffer[] { buffer })
{
}
