HardenedBSD/include/rpc/auth_unix.h

/*-
 * SPDX-License-Identifier: BSD-3-Clause
 *
 * Copyright (c) 2009, Sun Microsystems, Inc.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 * - Redistributions of source code must retain the above copyright notice,
 *   this list of conditions and the following disclaimer.
 * - 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.
 * - Neither the name of Sun Microsystems, Inc. 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 COPYRIGHT HOLDERS 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 COPYRIGHT HOLDER 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.
 */

/*
 * auth_unix.h, Protocol for UNIX style authentication parameters for RPC
 *
 * Copyright (C) 1984, Sun Microsystems, Inc.
 */

/*
 * The system is very weak.  The client uses no encryption for  it
 * credentials and only sends null verifiers.  The server sends backs
 * null verifiers or optionally a verifier that suggests a new short hand
 * for the credentials.
 */

#ifndef _RPC_AUTH_UNIX_H
#define _RPC_AUTH_UNIX_H
#include <sys/cdefs.h>

/* The machine name is part of a credential; it may not exceed 255 bytes */
#define MAX_MACHINE_NAME 255

/* gids compose part of a credential; there may not be more than 16 of them */
#define NGRPS 16

/*
 * Unix style credentials.
 */
struct authunix_parms {
	u_long	 aup_time;
	char	*aup_machname;
	u_int	 aup_uid;
	u_int	 aup_gid;
	u_int	 aup_len;
	u_int	*aup_gids;
};

#define authsys_parms authunix_parms

__BEGIN_DECLS
extern bool_t xdr_authunix_parms(XDR *, struct authunix_parms *);
__END_DECLS

/*
 * If a response verifier has flavor AUTH_SHORT,
 * then the body of the response verifier encapsulates the following structure;
 * again it is serialized in the obvious fashion.
 */
struct short_hand_verf {
	struct opaque_auth new_cred;
};

#endif /* !_RPC_AUTH_UNIX_H */