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Annotation of 43BSDTahoe/new/sunrpc/auth.h, revision 1.1

1.1     ! root        1: /*
        !             2:  * Sun RPC is a product of Sun Microsystems, Inc. and is provided for
        !             3:  * unrestricted use provided that this legend is included on all tape
        !             4:  * media and as a part of the software program in whole or part.  Users
        !             5:  * may copy or modify Sun RPC without charge, but are not authorized
        !             6:  * to license or distribute it to anyone else except as part of a product or
        !             7:  * program developed by the user.
        !             8:  * 
        !             9:  * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
        !            10:  * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
        !            11:  * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
        !            12:  * 
        !            13:  * Sun RPC is provided with no support and without any obligation on the
        !            14:  * part of Sun Microsystems, Inc. to assist in its use, correction,
        !            15:  * modification or enhancement.
        !            16:  * 
        !            17:  * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
        !            18:  * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
        !            19:  * OR ANY PART THEREOF.
        !            20:  * 
        !            21:  * In no event will Sun Microsystems, Inc. be liable for any lost revenue
        !            22:  * or profits or other special, indirect and consequential damages, even if
        !            23:  * Sun has been advised of the possibility of such damages.
        !            24:  * 
        !            25:  * Sun Microsystems, Inc.
        !            26:  * 2550 Garcia Avenue
        !            27:  * Mountain View, California  94043
        !            28:  */
        !            29: /*      @(#)auth.h 1.3 85/03/28 SMI      */
        !            30: 
        !            31: /*
        !            32:  * auth.h, Authentication interface.
        !            33: 
        !            34:  * Copyright (C) 1984, Sun Microsystems, Inc.
        !            35:  *
        !            36:  * The data structures are completely opaque to the client.  The client
        !            37:  * is required to pass a AUTH * to routines that create rpc
        !            38:  * "sessions".
        !            39:  */
        !            40: 
        !            41: 
        !            42: #define MAX_AUTH_BYTES 400
        !            43: 
        !            44: 
        !            45: /*
        !            46:  * Status returned from authentication check
        !            47:  */
        !            48: enum auth_stat {
        !            49:        AUTH_OK=0,
        !            50:        /*
        !            51:         * failed at remote end
        !            52:         */
        !            53:        AUTH_BADCRED=1,                 /* bogus credentials (seal broken) */
        !            54:        AUTH_REJECTEDCRED=2,            /* client should begin new session */
        !            55:        AUTH_BADVERF=3,                 /* bogus verifier (seal broken) */
        !            56:        AUTH_REJECTEDVERF=4,            /* verifier expired or was replayed */
        !            57:        AUTH_TOOWEAK=5,                 /* rejected due to security reasons */
        !            58:        /*
        !            59:         * failed locally
        !            60:        */
        !            61:        AUTH_INVALIDRESP=6,             /* bogus response verifier */
        !            62:        AUTH_FAILED=7                   /* some unknown reason */
        !            63: };
        !            64: 
        !            65: 
        !            66: union des_block {
        !            67:        struct {
        !            68:                u_long high;
        !            69:                u_long low;
        !            70:        } key;
        !            71:        char c[8];
        !            72: };
        !            73: 
        !            74: 
        !            75: /*
        !            76:  * Authentication info.  Opaque to client.
        !            77:  */
        !            78: struct opaque_auth {
        !            79:        enum_t  oa_flavor;              /* flavor of auth */
        !            80:        caddr_t oa_base;                /* address of more auth stuff */
        !            81:        u_int   oa_length;              /* not to exceed MAX_AUTH_BYTES */
        !            82: };
        !            83: 
        !            84: 
        !            85: /*
        !            86:  * Auth handle, interface to client side authenticators.
        !            87:  */
        !            88: typedef struct {
        !            89:        struct  opaque_auth     ah_cred;
        !            90:        struct  opaque_auth     ah_verf;
        !            91:        union   des_block       ah_key;
        !            92:        struct auth_ops {
        !            93:                void    (*ah_nextverf)();
        !            94:                int     (*ah_marshal)();        /* nextverf & serialize */
        !            95:                int     (*ah_validate)();       /* validate varifier */
        !            96:                int     (*ah_refresh)();        /* refresh credentials */
        !            97:                void    (*ah_destroy)();        /* destroy this structure */
        !            98:        } *ah_ops;
        !            99:        caddr_t ah_private;
        !           100: } AUTH;
        !           101: 
        !           102: 
        !           103: /*
        !           104:  * Authentication ops.
        !           105:  * The ops and the auth handle provide the interface to the authenticators.
        !           106:  *
        !           107:  * AUTH        *auth;
        !           108:  * XDR *xdrs;
        !           109:  * struct opaque_auth verf;
        !           110:  */
        !           111: #define AUTH_NEXTVERF(auth)            \
        !           112:                ((*((auth)->ah_ops->ah_nextverf))(auth))
        !           113: #define auth_nextverf(auth)            \
        !           114:                ((*((auth)->ah_ops->ah_nextverf))(auth))
        !           115: 
        !           116: #define AUTH_MARSHALL(auth, xdrs)      \
        !           117:                ((*((auth)->ah_ops->ah_marshal))(auth, xdrs))
        !           118: #define auth_marshall(auth, xdrs)      \
        !           119:                ((*((auth)->ah_ops->ah_marshal))(auth, xdrs))
        !           120: 
        !           121: #define AUTH_VALIDATE(auth, verfp)     \
        !           122:                ((*((auth)->ah_ops->ah_validate))((auth), verfp))
        !           123: #define auth_validate(auth, verfp)     \
        !           124:                ((*((auth)->ah_ops->ah_validate))((auth), verfp))
        !           125: 
        !           126: #define AUTH_REFRESH(auth)     \
        !           127:                ((*((auth)->ah_ops->ah_refresh))(auth))
        !           128: #define auth_refresh(auth)     \
        !           129:                ((*((auth)->ah_ops->ah_refresh))(auth))
        !           130: 
        !           131: #define AUTH_DESTROY(auth)             \
        !           132:                ((*((auth)->ah_ops->ah_destroy))(auth))
        !           133: #define auth_destroy(auth)             \
        !           134:                ((*((auth)->ah_ops->ah_destroy))(auth))
        !           135: 
        !           136: 
        !           137: extern struct opaque_auth _null_auth;
        !           138: 
        !           139: 
        !           140: /*
        !           141:  * These are the various implementations of client side authenticators.
        !           142:  */
        !           143: 
        !           144: /*
        !           145:  * Null authentication
        !           146:  */
        !           147: extern AUTH *authnone_create();                /* takes no parameters */
        !           148: #define        AUTH_NULL       0
        !           149: 
        !           150: /*
        !           151:  * Unix style authentication
        !           152:  * AUTH *authunix_create(machname, uid, gid, len, aup_gids)
        !           153:  *     char *machname;
        !           154:  *     int uid;
        !           155:  *     int gid;
        !           156:  *     int len;
        !           157:  *     int *aup_gids;
        !           158:  */
        !           159: extern AUTH *authunix_create();
        !           160: extern AUTH *authunix_create_default();        /* takes no parameters */
        !           161: #define        AUTH_UNIX       1               /* unix style (uid, gids) */
        !           162: #define        AUTH_SHORT      2               /* short hand unix style */
        !           163: 

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