/*
 * Copyright (c) 2003 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. 
 */

#include "krb5/gsskrb5_locl.h"

RCSID("$Id$");

OM_uint32 _gsskrb5_inquire_cred_by_mech (
    OM_uint32 * minor_status,
	const gss_cred_id_t cred_handle,
	const gss_OID mech_type,
	gss_name_t * name,
	OM_uint32 * initiator_lifetime,
	OM_uint32 * acceptor_lifetime,
	gss_cred_usage_t * cred_usage
    )
{
    OM_uint32 ret;
    OM_uint32 lifetime;

    if (gss_oid_equal(mech_type, GSS_C_NO_OID) == 0 &&
	gss_oid_equal(mech_type, GSS_KRB5_MECHANISM) == 0) {
	*minor_status = EINVAL;
	return GSS_S_BAD_MECH;
    }    

    ret = _gsskrb5_inquire_cred (minor_status,
				 cred_handle,
				 name,
				 &lifetime,
				 cred_usage,
				 NULL);
    
    if (ret == 0 && cred_handle != GSS_C_NO_CREDENTIAL) {
	gsskrb5_cred cred = (gsskrb5_cred)cred_handle;
	gss_cred_usage_t usage;

	HEIMDAL_MUTEX_lock(&cred->cred_id_mutex);
	usage = cred->usage;
	HEIMDAL_MUTEX_unlock(&cred->cred_id_mutex);

	if (initiator_lifetime) {
	    if (usage == GSS_C_INITIATE || usage == GSS_C_BOTH)
		*initiator_lifetime = lifetime;
	}
	if (acceptor_lifetime) {
	    if (usage == GSS_C_ACCEPT || usage == GSS_C_BOTH)
		*acceptor_lifetime = lifetime;
	}
    }

    return ret;
}
