NetBSD-5.0.2/include/rpc/auth.h
/* $NetBSD: auth.h,v 1.17 2005/12/26 19:01:47 perry Exp $ */
/*
* 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, MERCHANTIBILITY 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
* @(#)auth.h 2.3 88/08/07 4.0 RPCSRC
*/
/*
* 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".
*/
#ifndef _RPC_AUTH_H_
#define _RPC_AUTH_H_
#include <sys/cdefs.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 */
};
union des_block {
struct {
uint32_t high;
uint32_t low;
} key;
char c[8];
};
typedef union des_block des_block;
__BEGIN_DECLS
extern bool_t xdr_des_block(XDR *, des_block *);
__END_DECLS
/*
* 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 __rpc_auth {
struct opaque_auth ah_cred;
struct opaque_auth ah_verf;
union des_block ah_key;
const struct auth_ops {
void (*ah_nextverf)(struct __rpc_auth *);
/* nextverf & serialize */
int (*ah_marshal)(struct __rpc_auth *, XDR *);
/* validate varifier */
int (*ah_validate)(struct __rpc_auth *,
struct opaque_auth *);
/* refresh credentials */
int (*ah_refresh)(struct __rpc_auth *);
/* destroy this structure */
void (*ah_destroy)(struct __rpc_auth *);
} *ah_ops;
void *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.
*/
/*
* Unix style authentication
* AUTH *authunix_create(machname, uid, gid, len, aup_gids)
* char *machname;
* int uid;
* int gid;
* int len;
* int *aup_gids;
*/
__BEGIN_DECLS
struct sockaddr_in;
extern AUTH *authunix_create (char *, int, int, int, int *);
extern AUTH *authunix_create_default (void);
extern AUTH *authnone_create (void);
extern AUTH *authdes_create (char *, u_int,
struct sockaddr_in *, des_block *);
extern bool_t xdr_opaque_auth (XDR *, struct opaque_auth *);
#define authsys_create(c,i1,i2,i3,ip) authunix_create((c),(i1),(i2),(i3),(ip))
#define authsys_create_default() authunix_create_default()
struct svc_req;
struct rpc_msg;
enum auth_stat _svcauth_null(struct svc_req *, struct rpc_msg *);
enum auth_stat _svcauth_short(struct svc_req *, struct rpc_msg *);
enum auth_stat _svcauth_unix(struct svc_req *, struct rpc_msg *);
__END_DECLS
#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 /* backward compatibility */
#define AUTH_SHORT 2 /* short hand unix style */
#define AUTH_DES 3 /* des style (encrypted timestamps) */
#endif /* !_RPC_AUTH_H_ */