OpenBSD-4.6/kerberosV/src/lib/gssapi/inquire_cred_by_mech.c

/*
 * 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 "gssapi_locl.h"

RCSID("$KTH: inquire_cred_by_mech.c,v 1.2 2003/05/21 14:52:14 lha Exp $");

OM_uint32 gss_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 = gss_inquire_cred (minor_status,
			    cred_handle,
			    name,
			    &lifetime,
			    cred_usage,
			    NULL);
    
    if (ret == 0 && cred_handle != GSS_C_NO_CREDENTIAL) {
	gss_cred_usage_t usage;

	HEIMDAL_MUTEX_lock(&cred_handle->cred_id_mutex);
	usage = cred_handle->usage;
	HEIMDAL_MUTEX_unlock(&cred_handle->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;
}