/* * Copyright (c) 2006-2021, RT-Thread Development Team * * SPDX-License-Identifier: Apache-2.0 * * Change Logs: * Date Author Notes */ #ifndef __AUTH_H__ #define __AUTH_H__ #include /* * 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 { uint32_t high; uint32_t low; } key; char c[8]; }; typedef union des_block des_block; /* * Authentication info. Opaque to client. */ struct opaque_auth { enum_t oa_flavor; /* flavor of auth */ char* oa_base; /* address of more auth stuff */ unsigned 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; char* ah_private; }; extern struct opaque_auth _null_auth; /* * 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)) #define MAX_AUTH_BYTES 400 #define MAXNETNAMELEN 255 /* maximum length of network user's name */ AUTH *authnone_create(void); #endif