261 lines
7.5 KiB
C
261 lines
7.5 KiB
C
/*
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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, MERCHANTABILITY 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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* from: @(#)auth.h 2.3 88/08/07 4.0 RPCSRC
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* $Id: auth.h,v 1.13 1997/05/28 04:45:06 wpaul Exp $
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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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#include <sys/socket.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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union des_block {
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struct {
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u_int32_t high;
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u_int32_t 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 __P((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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u_int oa_length; /* not to exceed MAX_AUTH_BYTES */
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};
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__BEGIN_DECLS
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bool_t xdr_opaque_auth __P((XDR *xdrs, struct opaque_auth *ap));
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__END_DECLS
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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) __P((struct __rpc_auth *));
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/* nextverf & serialize */
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int (*ah_marshal) __P((struct __rpc_auth *, XDR *));
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/* validate verifier */
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int (*ah_validate) __P((struct __rpc_auth *,
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struct opaque_auth *));
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/* refresh credentials */
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int (*ah_refresh) __P((struct __rpc_auth *));
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/* destroy this structure */
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void (*ah_destroy) __P((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 __P((char *, int, int, int, int *));
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extern AUTH *authunix_create_default __P((void));
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extern AUTH *authnone_create __P((void));
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__END_DECLS
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/* Forward compatibility with TI-RPC */
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#define authsys_create authunix_create
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#define authsys_create_default authunix_create_default
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/*
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* DES style authentication
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* AUTH *authdes_create(servername, window, timehost, ckey)
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* char *servername; - network name of server
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* u_int window; - time to live
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* struct sockaddr *timehost; - optional hostname to sync with
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* des_block *ckey; - optional conversation key to use
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*/
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__BEGIN_DECLS
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extern AUTH *authdes_create __P(( char *, u_int, struct sockaddr *, des_block * ));
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#ifdef NOTYET
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/*
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* TI-RPC supports this call, but it requires the inclusion of
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* NIS+-specific headers which would require the inclusion of other
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* headers which would result in a tangled mess. For now, the NIS+
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* code prototypes this routine internally.
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*/
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extern AUTH *authdes_pk_create __P(( char *, netobj *, u_int,
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struct sockaddr *, des_block *,
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nis_server * ));
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#endif
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__END_DECLS
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/*
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* Netname manipulation routines.
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*/
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__BEGIN_DECLS
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extern int netname2user __P(( char *, uid_t *, gid_t *, int *, gid_t *));
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extern int netname2host __P(( char *, char *, int ));
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extern int getnetname __P(( char * ));
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extern int user2netname __P(( char *, uid_t, char * ));
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extern int host2netname __P(( char *, char *, char * ));
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extern void passwd2des __P(( char *, char * ));
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__END_DECLS
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/*
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* Keyserv interface routines.
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* XXX Should not be here.
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*/
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#ifndef HEXKEYBYTES
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#define HEXKEYBYTES 48
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#endif
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typedef char kbuf[HEXKEYBYTES];
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typedef char *namestr;
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struct netstarg {
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kbuf st_priv_key;
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kbuf st_pub_key;
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namestr st_netname;
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};
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__BEGIN_DECLS
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extern int key_decryptsession __P(( const char *, des_block * ));
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extern int key_decryptsession_pk __P(( char *, netobj *, des_block * ));
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extern int key_encryptsession __P(( const char *, des_block * ));
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extern int key_encryptsession_pk __P(( char *, netobj *, des_block * ));
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extern int key_gendes __P(( des_block * ));
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extern int key_setsecret __P(( const char * ));
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extern int key_secretkey_is_set __P(( void ));
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extern int key_setnet __P(( struct netstarg * ));
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extern int key_get_conv __P(( char *, des_block * ));
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__END_DECLS
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/*
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* Publickey routines.
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*/
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__BEGIN_DECLS
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extern int getpublickey __P(( char *, char * ));
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extern int getpublicandprivatekey __P(( char *, char * ));
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extern int getsecretkey __P(( char *, char *, char * ));
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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_SYS 1 /* forward compatibility */
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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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