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/*
 * Sun RPC is a product of Sun Microsystems, Inc. and is provided for
 * unrestricted use provided that this legend is included on all tape
 * media and as a part of the software program in whole or part.  Users
 * may copy or modify Sun RPC without charge, but are not authorized
 * to license or distribute it to anyone else except as part of a product or
 * program developed by the user.
 *
 * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
 * WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
 *
 * Sun RPC is provided with no support and without any obligation on the
 * part of Sun Microsystems, Inc. to assist in its use, correction,
 * modification or enhancement.
 *
 * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
 * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
 * OR ANY PART THEREOF.
 *
 * In no event will Sun Microsystems, Inc. be liable for any lost revenue
 * or profits or other special, indirect and consequential damages, even if
 * Sun has been advised of the possibility of such damages.
 *
 * Sun Microsystems, Inc.
 * 2550 Garcia Avenue
 * Mountain View, California  94043
 *
 *      from: @(#)auth.h 1.17 88/02/08 SMI
 *      from: @(#)auth.h        2.3 88/08/07 4.0 RPCSRC
 * $FreeBSD: src/include/rpc/auth.h,v 1.14.2.1 1999/08/29 14:39:02 peter Exp $
 */

/*
 * auth.h, Authentication interface.
 *
 * Copyright (C) 1984, Sun Microsystems, Inc.
 *
 * The data structures are completely opaque to the client.  The client
 * is required to pass a AUTH * to routines that create rpc
 * "sessions".
 */

/*
 * Status returned from authentication check
 */
enum sunrpc_auth_stat {
        SUNRPC_AUTH_OK=0,
        /*
         * failed at remote end
         */
        SUNRPC_AUTH_BADCRED=1,          /* bogus credentials (seal broken) */
        SUNRPC_AUTH_REJECTEDCRED=2,     /* client should begin new session */
        SUNRPC_AUTH_BADVERF=3,          /* bogus verifier (seal broken) */
        SUNRPC_AUTH_REJECTEDVERF=4,     /* verifier expired or was replayed */
        SUNRPC_AUTH_TOOWEAK=5,          /* rejected due to security reasons */
        /*
         * failed locally
        */
        SUNRPC_AUTH_INVALIDRESP=6,      /* bogus response verifier */
        SUNRPC_AUTH_FAILED=7            /* some unknown reason */
};

/*
 * Authentication info.  Opaque to client.
 */
struct sunrpc_opaque_auth {
        uint32_t oa_flavor;             /* flavor of auth */
        uint32_t oa_len;                /* length of opaque body */
        /* zero or more bytes of body */
};

#define SUNRPC_AUTH_NONE        0        /* no authentication */
#define SUNRPC_AUTH_NULL        0        /* backward compatibility */
#define SUNRPC_AUTH_UNIX        1       /* unix style (uid, gids) */
#define SUNRPC_AUTH_SYS         1       /* forward compatibility */
#define SUNRPC_AUTH_SHORT       2       /* short hand unix style */
#define SUNRPC_AUTH_DES         3       /* des style (encrypted timestamps) */