auth.h
上传用户:szlgq88
上传日期:2009-04-28
资源大小:48287k
文件大小:6k
- /* @(#)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 */