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/* @(#)auth.h 2.3 88/08/07 4.0 RPCSRC; from 1.17 88/02/08 SMI */
/*
* 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
*/
/*
* 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 1
#include <features.h>
#include <rpc/xdr.h>
__BEGIN_DECLS
#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 {
u_int32_t high;
u_int32_t low;
} key;
char c[8];
};
typedef union des_block des_block;
extern bool_t xdr_des_block (XDR *__xdrs, des_block *__blkp) __THROW;
/*
* 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 AUTH AUTH;
struct AUTH {
struct opaque_auth ah_cred;
struct opaque_auth ah_verf;
union des_block ah_key;
struct auth_ops {
void (*ah_nextverf) (AUTH *);
int (*ah_marshal) (AUTH *, XDR *); /* nextverf & serialize */
int (*ah_validate) (AUTH *, struct opaque_auth *);
/* validate verifier */
int (*ah_refresh) (AUTH *); /* refresh credentials */
void (*ah_destroy) (AUTH *); /* destroy this structure */
} *ah_ops;
caddr_t ah_private;
};
/*
* 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;
*/
extern AUTH *authunix_create (char *__machname, __uid_t __uid, __gid_t __gid,
int __len, __gid_t *__aup_gids);
extern AUTH *authunix_create_default (void);
extern AUTH *authnone_create (void) __THROW;
extern AUTH *authdes_create (const char *__servername, u_int __window,
struct sockaddr *__syncaddr, des_block *__ckey)
__THROW;
extern AUTH *authdes_pk_create (const char *, netobj *, u_int,
struct sockaddr *, des_block *) __THROW;
#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
#define AUTH_SHORT 2 /* short hand unix style */
#define AUTH_DES 3 /* des style (encrypted timestamps) */
#define AUTH_DH AUTH_DES /* Diffie-Hellman (this is DES) */
#define AUTH_KERB 4 /* kerberos style */
/*
* Netname manipulating functions
*
*/
extern int getnetname (char *) __THROW;
extern int host2netname (char *, __const char *, __const char *) __THROW;
extern int user2netname (char *, __const uid_t, __const char *) __THROW;
extern int netname2user (__const char *, uid_t *, gid_t *, int *, gid_t *)
__THROW;
extern int netname2host (__const char *, char *, __const int) __THROW;
/*
*
* These routines interface to the keyserv daemon
*
*/
extern int key_decryptsession (char *, des_block *);
extern int key_decryptsession_pk (char *, netobj *, des_block *);
extern int key_encryptsession (char *, des_block *);
extern int key_encryptsession_pk (char *, netobj *, des_block *);
extern int key_gendes (des_block *);
extern int key_setsecret (char *);
extern int key_secretkey_is_set (void);
extern int key_get_conv (char *, des_block *);
/*
* XDR an opaque authentication struct.
*/
extern bool_t xdr_opaque_auth (XDR *, struct opaque_auth *) __THROW;
__END_DECLS
#endif /* rpc/auth.h */
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