2018-10-15 01:46:07 +08:00
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/*
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2021-03-08 18:19:04 +08:00
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* Copyright (c) 2006-2021, RT-Thread Development Team
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2018-10-15 01:46:07 +08:00
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Change Logs:
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* Date Author Notes
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*/
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2011-10-08 22:50:08 +08:00
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#ifndef __AUTH_H__
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#define __AUTH_H__
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#include <rpc/xdr.h>
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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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2011-10-08 22:50:08 +08:00
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};
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union des_block {
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struct {
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uint32_t high;
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uint32_t low;
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} key;
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char c[8];
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2011-10-08 22:50:08 +08:00
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};
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typedef union des_block des_block;
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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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char* 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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2011-10-08 22:50:08 +08:00
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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 AUTH AUTH;
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struct 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) (AUTH *);
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int (*ah_marshal) (AUTH *, XDR *); /* nextverf & serialize */
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int (*ah_validate) (AUTH *, struct opaque_auth *);
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/* validate verifier */
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int (*ah_refresh) (AUTH *); /* refresh credentials */
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void (*ah_destroy) (AUTH *); /* destroy this structure */
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} *ah_ops;
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char* ah_private;
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};
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extern struct opaque_auth _null_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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#define MAX_AUTH_BYTES 400
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#define MAXNETNAMELEN 255 /* maximum length of network user's name */
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AUTH *authnone_create(void);
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#endif
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