217 lines
6.0 KiB
C
217 lines
6.0 KiB
C
/* auth.h - authentication interface */
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/* Copyright 1984-1992 Wind River Systems, Inc. */
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/*
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* Sun RPC is a product of Sun Microsystems, Inc. and is provided for
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* unrestricted use provided that this legend is included on all tape
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* media and as a part of the software program in whole or part. Users
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* may copy or modify Sun RPC without charge, but are not authorized
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* to license or distribute it to anyone else except as part of a product or
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* program developed by the user.
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*
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* SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
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* WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
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*
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* Sun RPC is provided with no support and without any obligation on the
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* part of Sun Microsystems, Inc. to assist in its use, correction,
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* modification or enhancement.
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*
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* SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
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* INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
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* OR ANY PART THEREOF.
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*
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* In no event will Sun Microsystems, Inc. be liable for any lost revenue
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* or profits or other special, indirect and consequential damages, even if
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* Sun has been advised of the possibility of such damages.
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*
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* Sun Microsystems, Inc.
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* 2550 Garcia Avenue
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* Mountain View, California 94043
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*/
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/* @(#)auth.h 1.1 86/02/03 SMI */
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/*
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* auth.h, Authentication interface.
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*
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* Copyright (C) 1984, Sun Microsystems, Inc.
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*
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* The data structures are completely opaque to the client. The client
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* is required to pass a AUTH * to routines that create rpc
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* "sessions".
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*/
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/*
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modification history
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--------------------
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01i,22sep92,rrr added support for c++
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01h,26may92,rrr the tree shuffle
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01g,26feb92,wmd added #pragma align 1 to align properly data structures.
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01f,23feb91,del removed useless checking and typedef of u_int32 as u_long.
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01e,24oct90,shl deleted redundant function declarations.
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01d,05oct90,shl added ANSI function prototypes.
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made #endif ANSI style.
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added copyright notice.
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01c,30apr90,gae fixed definition of u_int32 -- dependent of compiler define.
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01b,26oct89,hjb upgraded to release 4.0
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*/
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#ifndef __INCauthh
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#define __INCauthh
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#ifdef __cplusplus
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extern "C" {
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#endif
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#if ((CPU_FAMILY==I960) && (defined __GNUC__))
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#pragma align 1 /* tell gcc960 not to optimize alignments */
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#endif /* CPU_FAMILY==I960 */
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#define MAX_AUTH_BYTES 400
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#define MAXNETNAMELEN 255 /* maximum length of network user's name - 4.0 */
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/*
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* Status returned from authentication check
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*/
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enum auth_stat {
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AUTH_OK=0,
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/*
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* failed at remote end
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*/
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AUTH_BADCRED=1, /* bogus credentials (seal broken) */
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AUTH_REJECTEDCRED=2, /* client should begin new session */
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AUTH_BADVERF=3, /* bogus verifier (seal broken) */
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AUTH_REJECTEDVERF=4, /* verifier expired or was replayed */
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AUTH_TOOWEAK=5, /* rejected due to security reasons */
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/*
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* failed locally
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*/
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AUTH_INVALIDRESP=6, /* bogus response verifier */
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AUTH_FAILED=7 /* some unknown reason */
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};
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union des_block {
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struct {
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u_long high;
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u_long low;
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} key;
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char c[8];
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};
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typedef union des_block des_block;
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/*
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* Authentication info. Opaque to client.
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*/
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struct opaque_auth {
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enum_t oa_flavor; /* flavor of auth */
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caddr_t oa_base; /* address of more auth stuff */
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u_int oa_length; /* not to exceed MAX_AUTH_BYTES */
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};
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/*
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* Auth handle, interface to client side authenticators.
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*/
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typedef struct {
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struct opaque_auth ah_cred;
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struct opaque_auth ah_verf;
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union des_block ah_key;
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struct auth_ops {
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void (*ah_nextverf)();
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int (*ah_marshal)(); /* nextverf & serialize */
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int (*ah_validate)(); /* validate varifier */
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int (*ah_refresh)(); /* refresh credentials */
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void (*ah_destroy)(); /* destroy this structure */
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} *ah_ops;
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caddr_t ah_private;
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} AUTH;
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/*
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* Authentication ops.
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* The ops and the auth handle provide the interface to the authenticators.
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*
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* AUTH *auth;
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* XDR *xdrs;
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* struct opaque_auth verf;
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*/
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#define AUTH_NEXTVERF(auth) \
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((*((auth)->ah_ops->ah_nextverf))(auth))
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#define auth_nextverf(auth) \
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((*((auth)->ah_ops->ah_nextverf))(auth))
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#define AUTH_MARSHALL(auth, xdrs) \
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((*((auth)->ah_ops->ah_marshal))(auth, xdrs))
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#define auth_marshall(auth, xdrs) \
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((*((auth)->ah_ops->ah_marshal))(auth, xdrs))
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#define AUTH_VALIDATE(auth, verfp) \
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((*((auth)->ah_ops->ah_validate))((auth), verfp))
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#define auth_validate(auth, verfp) \
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((*((auth)->ah_ops->ah_validate))((auth), verfp))
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#define AUTH_REFRESH(auth) \
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((*((auth)->ah_ops->ah_refresh))(auth))
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#define auth_refresh(auth) \
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((*((auth)->ah_ops->ah_refresh))(auth))
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#define AUTH_DESTROY(auth) \
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((*((auth)->ah_ops->ah_destroy))(auth))
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#define auth_destroy(auth) \
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((*((auth)->ah_ops->ah_destroy))(auth))
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extern struct opaque_auth _null_auth;
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/*
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* These are the various implementations of client side authenticators.
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*/
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/*
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* Unix style authentication
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* AUTH *authunix_create(machname, uid, gid, len, aup_gids)
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* char *machname;
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* int uid;
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* int gid;
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* int len;
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* int *aup_gids;
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*/
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extern AUTH *authdes_create (); /* 4.0 */
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#define AUTH_NONE 0 /* no authentication -- 4.0 */
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#define AUTH_NULL 0 /* backward compatibility */
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#define AUTH_UNIX 1 /* unix style (uid, gids) */
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#define AUTH_SHORT 2 /* short hand unix style */
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/* function declarations */
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#if defined(__STDC__) || defined(__cplusplus)
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extern AUTH * authnone_create (void);
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extern AUTH * authunix_create (char *machname, int uid, int gid,
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int len, int *aup_gids);
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extern AUTH * authunix_create_default(void); /* takes no parameters */
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extern bool_t xdr_des_block (XDR *xdrs, union des_block *blkp);
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#else
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extern AUTH * authunix_create ();
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extern AUTH * authnone_create ();
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extern AUTH * authunix_create_default(); /* takes no parameters */
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extern bool_t xdr_des_block ();
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#endif /* __STDC__ */
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#if ((CPU_FAMILY==I960) && (defined __GNUC__))
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#pragma align 0 /* turn off alignment requirement */
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#endif /* CPU_FAMILY==I960 */
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#ifdef __cplusplus
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}
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#endif
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#endif /* __INCauthh */
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