Liren Large Software Subsidy 15/15.iso/s/s053/8.ddi/usr/include/rpc/auth.h

C/C++ Source or Header | 1990-12-08 | 5.2 KB | 196 lines

/*    Copyright (c) 1990 UNIX System Laboratories, Inc.    */
/*    Copyright (c) 1984, 1986, 1987, 1988, 1989, 1990 AT&T    */
/*      All Rights Reserved      */

/*    THIS IS UNPUBLISHED PROPRIETARY SOURCE CODE OF         */
/*    UNIX System Laboratories, Inc.                         */
/*    The copyright notice above does not evidence any       */
/*    actual or intended publication of such source code.    */

#ident    "@(#)/usr/include/rpc/auth.h.sl 1.1 4.0 12/08/90 55662 AT&T-USL"

/*+++++++++++++++++++++++++++++++++++++++++++++++++++++++++
*    PROPRIETARY NOTICE (Combined)
*
* This source code is unpublished proprietary information
* constituting, or derived under license from AT&T's UNIX(r) System V.
* In addition, portions of such source code were derived from Berkeley
* 4.3 BSD under license from the Regents of the University of
* California.
*
*
*
*    Copyright Notice
*
* Notice of copyright on this source code product does not indicate
*  publication.
*
*    (c) 1986,1987,1988.1989  Sun Microsystems, Inc
*    (c) 1983,1984,1985,1986,1987,1988,1989  AT&T.
*          All rights reserved.
*/

/*
 * auth.h, Authentication interface.
 *
 * The data structures are completely opaque to the client. The client
 * is required to pass a AUTH * to routines that create rpc
 * "sessions".
 */
#ifndef _RPC_AUTH_H
#define _RPC_AUTH_H

#define MAX_AUTH_BYTES    400
#define MAXNETNAMELEN    255    /* maximum length of network user's name */

/*
 * Status returned from authentication check
 */
enum auth_stat {
    AUTH_OK=0,
    /*
     * failed at remote end
     */
    AUTH_BADCRED=1,            /* bogus credentials (seal broken) */
    AUTH_REJECTEDCRED=2,        /* client should begin new session */
    AUTH_BADVERF=3,            /* bogus verifier (seal broken) */
    AUTH_REJECTEDVERF=4,        /* verifier expired or was replayed */
    AUTH_TOOWEAK=5,            /* rejected due to security reasons */
    /*
     * failed locally
    */
    AUTH_INVALIDRESP=6,        /* bogus response verifier */
    AUTH_FAILED=7            /* some unknown reason */
};

#if (mc68000 || sparc || vax || i386 || u3b2)
typedef u_long u_int32;    /* 32-bit unsigned integers */
#endif

union des_block {
    struct {
        u_int32 high;
        u_int32 low;
    } key;
    char c[8];
};
typedef union des_block des_block;
extern bool_t xdr_des_block();

/*
 * Authentication info. Opaque to client.
 */
struct opaque_auth {
    enum_t    oa_flavor;        /* flavor of auth */
    caddr_t    oa_base;        /* address of more auth stuff */
    u_int    oa_length;        /* not to exceed MAX_AUTH_BYTES */
};


/*
 * Auth handle, interface to client side authenticators.
 */
typedef struct {
    struct    opaque_auth    ah_cred;
    struct    opaque_auth    ah_verf;
    union    des_block    ah_key;
    struct auth_ops {
        void    (*ah_nextverf)();
        int    (*ah_marshal)();    /* nextverf & serialize */
        int    (*ah_validate)();    /* validate varifier */
        int    (*ah_refresh)();    /* refresh credentials */
        void    (*ah_destroy)();    /* destroy this structure */
    } *ah_ops;
    caddr_t ah_private;
} AUTH;


/*
 * Authentication ops.
 * The ops and the auth handle provide the interface to the authenticators.
 *
 * AUTH    *auth;
 * XDR    *xdrs;
 * struct opaque_auth verf;
 */
#define AUTH_NEXTVERF(auth)        \
        ((*((auth)->ah_ops->ah_nextverf))(auth))
#define auth_nextverf(auth)        \
        ((*((auth)->ah_ops->ah_nextverf))(auth))

#define AUTH_MARSHALL(auth, xdrs)    \
        ((*((auth)->ah_ops->ah_marshal))(auth, xdrs))
#define auth_marshall(auth, xdrs)    \
        ((*((auth)->ah_ops->ah_marshal))(auth, xdrs))

#define AUTH_VALIDATE(auth, verfp)    \
        ((*((auth)->ah_ops->ah_validate))((auth), verfp))
#define auth_validate(auth, verfp)    \
        ((*((auth)->ah_ops->ah_validate))((auth), verfp))

#define AUTH_REFRESH(auth)        \
        ((*((auth)->ah_ops->ah_refresh))(auth))
#define auth_refresh(auth)        \
        ((*((auth)->ah_ops->ah_refresh))(auth))

#define AUTH_DESTROY(auth)        \
        ((*((auth)->ah_ops->ah_destroy))(auth))
#define auth_destroy(auth)        \
        ((*((auth)->ah_ops->ah_destroy))(auth))


extern struct opaque_auth _null_auth;


/*
 * These are the various implementations of client side authenticators.
 */

/*
 * System style authentication
 * AUTH *authsys_create(machname, uid, gid, len, aup_gids)
 *    char *machname;
 *    uid_t uid;
 *    gid_t gid;
 *    int len;
 *    gid_t *aup_gids;
 */
#ifdef _KERNEL
extern AUTH *authkern_create();        /* takes no parameters */
#else
extern AUTH *authsys_create();
extern AUTH *authsys_create_default();    /* takes no parameters */
extern AUTH *authnone_create();        /* takes no parameters */

/* Will get obsolete in near future */
#define authunix_create(machname, uid, gid, len, aup_gids) \
    authsys_create(machname, uid, gid, len, aup_gids)
#define authunix_create_default() authsys_create_default()

#endif

/*
 * DES style authentication
 * AUTH *authdes_seccreate(servername, window, timehost, ckey)
 *    char *servername;        - network name of server
 *    u_int window;            - time to live
 *    char *timehost;            - optional hostname to sync with
 *    des_block *ckey;        - optional conversation key to use
 */
/* Will get obsolete in near future */
#ifdef _KERNEL
extern int authdes_create();
#else
extern AUTH *authdes_create();
#endif
extern AUTH *authdes_seccreate();

#define AUTH_NONE    0        /* no authentication */
#define    AUTH_NULL    0        /* backward compatibility */
#define    AUTH_SYS    1        /* unix style (uid, gids) */
#define AUTH_UNIX    AUTH_SYS
#define    AUTH_SHORT    2        /* short hand unix style */
#define AUTH_DES    3        /* des style (encrypted timestamps) */

#endif /* !_RPC_AUTH_H */