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/* $OpenBSD: auth.h,v 1.5 2004/01/22 21:48:02 espie Exp $ */
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/* $NetBSD: auth.h,v 1.7 1995/04/29 05:27:55 cgd Exp $ */
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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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* from: @(#)auth.h 1.17 88/02/08 SMI
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* @(#)auth.h 2.3 88/08/07 4.0 RPCSRC
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*/
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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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#ifndef _RPC_AUTH_H
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#define _RPC_AUTH_H
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#include <sys/cdefs.h>
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#define MAX_AUTH_BYTES 400
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#define MAXNETNAMELEN 255 /* maximum length of network user's name */
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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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typedef u_int32_t u_int32; /* 32-bit unsigned integers */
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union des_block {
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struct {
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u_int32 high;
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u_int32 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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__BEGIN_DECLS
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extern bool_t xdr_des_block(XDR *, des_block *);
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__END_DECLS
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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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unsigned 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 __rpc_auth {
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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)(struct __rpc_auth *);
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/* nextverf & serialize */
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int (*ah_marshal)(struct __rpc_auth *, XDR *);
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/* validate varifier */
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int (*ah_validate)(struct __rpc_auth *,
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struct opaque_auth *);
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/* refresh credentials */
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int (*ah_refresh)(struct __rpc_auth *);
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/* destroy this structure */
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void (*ah_destroy)(struct __rpc_auth *);
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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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__BEGIN_DECLS
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struct sockaddr_in;
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extern AUTH *authunix_create(char *, int, int, int, int *);
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extern AUTH *authunix_create_default(void);
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extern AUTH *authnone_create(void);
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extern AUTH *authdes_create(char *, unsigned int, struct sockaddr_in *,
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des_block *);
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__END_DECLS
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#define AUTH_NONE 0 /* no authentication */
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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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#define AUTH_DES 3 /* des style (encrypted timestamps) */
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#endif /* !_RPC_AUTH_H */
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