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| #ifndef __AUTH_HEADER__
#define __AUTH_HEADER__
#ifdef __cplusplus
extern "C" {
#define DOTS ...
#else
#define DOTS
#endif
#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 */
};
#if (mc68000 || sparc || vax || i386)
typedef u_long u_int32; /* 32-bit unsigned integers */
union des_block {
struct {
u_int32 high;
u_int32 low;
} key;
char c[8];
};
#else
union des_block {
struct {
u_long high;
u_long low;
} key;
char c[8];
};
#endif
typedef union des_block des_block;
extern bool_t xdr_des_block(DOTS);
/*
* 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 {
struct opaque_auth ah_cred;
struct opaque_auth ah_verf;
union des_block ah_key;
struct auth_ops {
void (*ah_nextverf)(DOTS);
int (*ah_marshal)(DOTS); /* nextverf & serialize */
int (*ah_validate)(DOTS); /* validate varifier */
int (*ah_refresh)(DOTS); /* refresh credentials */
void (*ah_destroy)(DOTS); /* destroy this structure */
} *ah_ops;
caddr_t ah_private;
} 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))
#ifdef WIN32
#ifdef ONCRPCDLL
extern struct opaque_auth _null_auth;
#else
#ifdef __BORLANDC__
extern __declspec(dllimport) struct opaque_auth _null_auth;
#else
_declspec(dllimport) struct opaque_auth _null_auth;
#endif
#endif
#else
extern struct opaque_auth _null_auth;
#endif
/*
* 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(DOTS);
extern AUTH *authunix_create_default(DOTS); /* takes no parameters */
extern AUTH *authnone_create(DOTS); /* takes no parameters */
extern AUTH *authdes_create(DOTS);
#define AUTH_NONE 0 /* no authentication */
#define AUTH_NULL 0 /* backward compatibility */
#define AUTH_UNIX 1 /* unix style (uid, gids) */
#define AUTH_SHORT 2 /* short hand unix style */
#define AUTH_DES 3 /* des style (encrypted timestamps) */
#ifdef __cplusplus
};
#endif
#endif /* __AUTH_HEADER__ */ |
