/*
 * Copyright (c) 1997 - 2006 Kungliga Tekniska Högskolan
 * (Royal Institute of Technology, Stockholm, Sweden).
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * 3. Neither the name of the Institute nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

/* $Id$ */

#ifndef GSSAPI_SPNEGO_H_
#define GSSAPI_SPNEGO_H_

#include <gssapi.h>

GSSAPI_CPP_START

/*
 * RFC2478, SPNEGO:
 *  The security mechanism of the initial
 *  negotiation token is identified by the Object Identifier
 *  iso.org.dod.internet.security.mechanism.snego (1.3.6.1.5.5.2).
 */
extern GSSAPI_LIB_VARIABLE gss_OID_desc __gss_spnego_mechanism_oid_desc;
#define GSS_SPNEGO_MECHANISM (&__gss_spnego_mechanism_oid_desc)
#define gss_mech_spnego GSS_SPNEGO_MECHANISM

/*
 * NegoEx extensions, to be implemented by mechanisms
 */
GSSAPI_LIB_FUNCTION OM_uint32 GSSAPI_LIB_CALL
gssspi_query_mechanism_info(
    OM_uint32 * /* minor_status */,
    gss_const_OID /* mech_oid */,
    unsigned char[16] /* auth_scheme */
);

GSSAPI_LIB_FUNCTION OM_uint32 GSSAPI_LIB_CALL
gssspi_query_meta_data(
    OM_uint32 * /* minor_status */,
    gss_const_OID /* mech_oid */,
    gss_cred_id_t /* cred_handle */,
    gss_ctx_id_t * /* context_handle */,
    gss_const_name_t /* targ_name */,
    OM_uint32 /* req_flags */,
    gss_buffer_t /* meta_data */
);

GSSAPI_LIB_FUNCTION OM_uint32 GSSAPI_LIB_CALL
gssspi_exchange_meta_data(
    OM_uint32 * /* minor_status */,
    gss_const_OID /* mech_oid */,
    gss_cred_id_t /* cred_handle */,
    gss_ctx_id_t * /* context_handle */,
    gss_const_name_t /* targ_name */,
    OM_uint32 /* req_flags */,
    gss_const_buffer_t /* meta_data */
);

GSSAPI_CPP_END

#endif /* GSSAPI_SPNEGO_H_ */
