/*-
 * SPDX-License-Identifier: BSD-2-Clause
 *
 * Copyright (c) 2005 Doug Rabson
 * 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.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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/gssapi.h>

#include "mech_switch.h"

OM_uint32
gss_inquire_names_for_mech(OM_uint32 *minor_status,
    const gss_OID mechanism,
    gss_OID_set *name_types)
{
        OM_uint32 major_status;
        struct _gss_mech_switch *m = _gss_find_mech_switch(mechanism);

        *minor_status = 0;
        *name_types = GSS_C_NO_OID_SET;
        if (!m)
                return (GSS_S_BAD_MECH);

        /*
         * If the implementation can do it, ask it for a list of
         * names, otherwise fake it.
         */
        if (m->gm_inquire_names_for_mech) {
                return (m->gm_inquire_names_for_mech(minor_status,
                            mechanism, name_types));
        } else {
                major_status = gss_create_empty_oid_set(minor_status,
                    name_types);
                if (major_status)
                        return (major_status);
                major_status = gss_add_oid_set_member(minor_status,
                    GSS_C_NT_HOSTBASED_SERVICE, name_types);
                if (major_status) {
                        OM_uint32 junk;
                        gss_release_oid_set(&junk, name_types);
                        return (major_status);
                }
                major_status = gss_add_oid_set_member(minor_status,
                    GSS_C_NT_USER_NAME, name_types);
                if (major_status) {
                        OM_uint32 junk;
                        gss_release_oid_set(&junk, name_types);
                        return (major_status);
                }
        }

        return (GSS_S_COMPLETE);
}