/* 
   Unix SMB/CIFS implementation.
 
   Generic Authentication Interface

   Copyright (C) Andrew Tridgell 2003
   Copyright (C) Andrew Bartlett <abartlet@samba.org> 2004
   
   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 2 of the License, or
   (at your option) any later version.
   
   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.
   
   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/


struct gensec_security;
struct gensec_user {
	const char *domain;
	const char *name;
	const char *password;
};
/* GENSEC mode */
enum gensec_role
{
	GENSEC_SERVER,
	GENSEC_CLIENT
};

struct gensec_security_ops {
	const char *name;
	const char *sasl_name;
	uint8 auth_type;
	const char *oid;  /* NULL if not offered by SPENGO */
	NTSTATUS (*client_start)(struct gensec_security *gensec_security);
	NTSTATUS (*server_start)(struct gensec_security *gensec_security);
	NTSTATUS (*update)(struct gensec_security *gensec_security, TALLOC_CTX *out_mem_ctx,
			   const DATA_BLOB in, DATA_BLOB *out);
	NTSTATUS (*seal)(struct gensec_security *gensec_security, TALLOC_CTX *sig_mem_ctx,
				uint8_t *data, size_t length, DATA_BLOB *sig);
	NTSTATUS (*sign)(struct gensec_security *gensec_security, TALLOC_CTX *sig_mem_ctx,
				const uint8_t *data, size_t length, DATA_BLOB *sig);
	NTSTATUS (*check_sig)(struct gensec_security *gensec_security, TALLOC_CTX *sig_mem_ctx, 
				const uint8_t *data, size_t length, const DATA_BLOB *sig);
	NTSTATUS (*unseal)(struct gensec_security *gensec_security, TALLOC_CTX *sig_mem_ctx,
				uint8_t *data, size_t length, DATA_BLOB *sig);
	NTSTATUS (*session_key)(struct gensec_security *gensec_security, DATA_BLOB *session_key);
	void (*end)(struct gensec_security *gensec_security);
};
	
struct gensec_security {
	struct gensec_user user;
	void *private_data;
	const struct gensec_security_ops *ops;
};