/* -*- mode: c; c-basic-offset: 4; indent-tabs-mode: nil -*- */
/* lib/gssapi/krb5/inq_names.c - Return nametypes supported by krb5 mech */
/*
 * Copyright 1995 by the Massachusetts Institute of Technology.
 * All Rights Reserved.
 *
 * Export of this software from the United States of America may
 *   require a specific license from the United States Government.
 *   It is the responsibility of any person or organization contemplating
 *   export to obtain such a license before exporting.
 *
 * WITHIN THAT CONSTRAINT, permission to use, copy, modify, and
 * distribute this software and its documentation for any purpose and
 * without fee is hereby granted, provided that the above copyright
 * notice appear in all copies and that both that copyright notice and
 * this permission notice appear in supporting documentation, and that
 * the name of M.I.T. not be used in advertising or publicity pertaining
 * to distribution of the software without specific, written prior
 * permission.  Furthermore if you modify this software you must label
 * your software as modified software and not distribute it in such a
 * fashion that it might be confused with the original M.I.T. software.
 * M.I.T. makes no representations about the suitability of
 * this software for any purpose.  It is provided "as is" without express
 * or implied warranty.
 */

#include "gssapiP_krb5.h"

OM_uint32 KRB5_CALLCONV
krb5_gss_inquire_names_for_mech(OM_uint32 *minor_status, gss_OID mechanism,
                                gss_OID_set *name_types)
{
    OM_uint32   major, minor;

    /*
     * We only know how to handle our own mechanism.
     */
    if ((mechanism != GSS_C_NULL_OID) &&
        !g_OID_equal(gss_mech_krb5, mechanism) &&
        !g_OID_equal(gss_mech_krb5_old, mechanism) &&
        !g_OID_equal(gss_mech_krb5_wrong, mechanism) &&
        !g_OID_equal(gss_mech_iakerb, mechanism)) {
        *minor_status = 0;
        return(GSS_S_BAD_MECH);
    }

    /* We're okay.  Create an empty OID set */
    major = generic_gss_create_empty_oid_set(minor_status, name_types);
    if (major == GSS_S_COMPLETE) {
        /* Now add our members. */
        if (
            ((major = generic_gss_add_oid_set_member(minor_status,
                                                     gss_nt_user_name,
                                                     name_types)
            ) == GSS_S_COMPLETE) &&
            ((major = generic_gss_add_oid_set_member(minor_status,
                                                     gss_nt_machine_uid_name,
                                                     name_types)
            ) == GSS_S_COMPLETE) &&
            ((major = generic_gss_add_oid_set_member(minor_status,
                                                     gss_nt_string_uid_name,
                                                     name_types)
            ) == GSS_S_COMPLETE) &&
            ((major = generic_gss_add_oid_set_member(minor_status,
                                                     gss_nt_service_name,
                                                     name_types)
            ) == GSS_S_COMPLETE) &&
            ((major = generic_gss_add_oid_set_member(minor_status,
                                                     gss_nt_service_name_v2,
                                                     name_types)
            ) == GSS_S_COMPLETE) &&
            ((major = generic_gss_add_oid_set_member(minor_status,
                                                     gss_nt_exported_name,
                                                     name_types)
            ) == GSS_S_COMPLETE) &&
            ((major = generic_gss_add_oid_set_member(minor_status,
                                                     gss_nt_krb5_name,
                                                     name_types)
            ) == GSS_S_COMPLETE) &&
            ((major = generic_gss_add_oid_set_member(minor_status,
                                                     GSS_C_NT_COMPOSITE_EXPORT,
                                                     name_types)
            ) == GSS_S_COMPLETE)
        ) {
            major = generic_gss_add_oid_set_member(minor_status,
                                                   gss_nt_krb5_principal,
                                                   name_types);
        }

        /*
         * If we choked, then release the set, but don't overwrite the minor
         * status with the release call.
         */
        if (major != GSS_S_COMPLETE)
            (void) generic_gss_release_oid_set(&minor, name_types);
    }
    return(major);
}