xref: /onnv-gate/usr/src/lib/libgss/g_process_context.c (revision 13132:9615cdbf7b70)

/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License (the "License").
 * You may not use this file except in compliance with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */
/*
 * Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved.
 */

/*
 *  glue routine gss_process_context
 */

#include <mechglueP.h>
#include "gssapiP_generic.h"

OM_uint32
gss_process_context_token(minor_status,
				context_handle,
				token_buffer)

OM_uint32 *			minor_status;
const gss_ctx_id_t		context_handle;
gss_buffer_t			token_buffer;

{
	OM_uint32		status;
	gss_union_ctx_id_t	ctx;
	gss_mechanism		mech;

	if (minor_status == NULL)
		return (GSS_S_CALL_INACCESSIBLE_WRITE);
	*minor_status = 0;

	if (context_handle == GSS_C_NO_CONTEXT)
		return (GSS_S_CALL_INACCESSIBLE_READ | GSS_S_NO_CONTEXT);

	if (token_buffer == GSS_C_NO_BUFFER)
		return (GSS_S_CALL_INACCESSIBLE_READ);

	if (GSS_EMPTY_BUFFER(token_buffer))
		return (GSS_S_CALL_INACCESSIBLE_READ);

	/*
	 * select the approprate underlying mechanism routine and
	 * call it.
	 */

	ctx = (gss_union_ctx_id_t) context_handle;
	mech = __gss_get_mechanism(ctx->mech_type);

	if (mech) {

		if (mech->gss_process_context_token) {
			status = mech->gss_process_context_token(
							mech->context,
							minor_status,
							ctx->internal_ctx_id,
							token_buffer);
			if (status != GSS_S_COMPLETE)
				map_error(minor_status, mech);
		} else
			status = GSS_S_UNAVAILABLE;

		return (status);
	}

	return (GSS_S_BAD_MECH);
}