public static byte[] GetType1Message(string domainName, string userName, string password, out SecHandle clientContext)
{
SecHandle handle = AcquireNTLMCredentialsHandle(domainName, userName, password);
clientContext = new SecHandle();
SecBufferDesc output = new SecBufferDesc(MAX_TOKEN_SIZE);
uint contextAttributes;
SECURITY_INTEGER expiry;
int result = InitializeSecurityContext(ref handle, IntPtr.Zero, null, ISC_REQ_CONFIDENTIALITY | ISC_REQ_INTEGRITY, 0, SECURITY_NATIVE_DREP, IntPtr.Zero, 0, ref clientContext, ref output, out contextAttributes, out expiry);
if (result != SEC_E_OK && result != SEC_I_CONTINUE_NEEDED)
{
if ((uint)result == SEC_E_INVALID_HANDLE)
{
throw new Exception("InitializeSecurityContext failed, Invalid handle");
}
else if ((uint)result == SEC_E_BUFFER_TOO_SMALL)
{
throw new Exception("InitializeSecurityContext failed, Buffer too small");
}
else
{
throw new Exception("InitializeSecurityContext failed, Error code " + ((uint)result).ToString("X"));
}
}
return(output.GetSecBufferBytes());
}
private extern static int DeleteSecurityContext(
ref SecHandle phContext
);
public static byte[] GetType1Message(string userName, string password, out SecHandle clientContext)
{
return(GetType1Message(String.Empty, userName, password, out clientContext));
}
private extern static int FreeCredentialsHandle(
ref SecHandle phCredential
);
