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/*
 * Copyright (c) 2004, PADL Software Pty Ltd.
 * 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 PADL Software 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 PADL SOFTWARE 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 PADL SOFTWARE 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.
 */
/* $FreeBSD: release/9.1.0/lib/libgssapi/gss_inquire_cred_by_oid.c 178828 2008-05-07 13:53:12Z dfr $ */

#include <gssapi/gssapi.h>

#include "mech_switch.h"
#include "cred.h"
#include "name.h"

/* RCSID("$Id: gss_inquire_cred_by_oid.c 19960 2007-01-17 15:09:24Z lha $"); */

OM_uint32
gss_inquire_cred_by_oid (OM_uint32 *minor_status,
			 const gss_cred_id_t cred_handle,
			 const gss_OID desired_object,
			 gss_buffer_set_t *data_set)
{
	struct _gss_cred *cred = (struct _gss_cred *) cred_handle;
	OM_uint32		status = GSS_S_COMPLETE;
	struct _gss_mechanism_cred *mc;
	struct _gss_mech_switch *m;
	gss_buffer_set_t set = GSS_C_NO_BUFFER_SET;

	*minor_status = 0;
	*data_set = GSS_C_NO_BUFFER_SET;

	if (cred == NULL)
		return GSS_S_NO_CRED;

	SLIST_FOREACH(mc, &cred->gc_mc, gmc_link) {
		gss_buffer_set_t rset = GSS_C_NO_BUFFER_SET;
		size_t i;

		m = mc->gmc_mech;
		if (m == NULL) {
	       		gss_release_buffer_set(minor_status, &set);
			*minor_status = 0;
			return GSS_S_BAD_MECH;
		}

		if (m->gm_inquire_cred_by_oid == NULL)
			continue;

		status = m->gm_inquire_cred_by_oid(minor_status,
		    mc->gmc_cred, desired_object, &rset);
		if (status != GSS_S_COMPLETE)
			continue;

		for (i = 0; i < rset->count; i++) { 
			status = gss_add_buffer_set_member(minor_status,
			     &rset->elements[i], &set);
			if (status != GSS_S_COMPLETE)
				break;
		}
		gss_release_buffer_set(minor_status, &rset);
	}
	if (set == GSS_C_NO_BUFFER_SET)
		status = GSS_S_FAILURE;
	*data_set = set;
	*minor_status = 0;
	return status;
}