1 /* @(#)auth.h 2.3 88/08/07 4.0 RPCSRC; from 1.17 88/02/08 SMI */
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28 * Mountain View, California 94043
32 * auth.h, Authentication interface.
34 * Copyright (C) 1984, Sun Microsystems, Inc.
36 * The data structures are completely opaque to the client. The client
37 * is required to pass a AUTH * to routines that create rpc
45 /* Some adjustments to make the libc source from glibc
46 * compile more easily with uClibc... */
60 #define MAX_AUTH_BYTES 400
61 #define MAXNETNAMELEN 255 /* maximum length of network user's name */
64 * Status returned from authentication check
69 * failed at remote end
71 AUTH_BADCRED
=1, /* bogus credentials (seal broken) */
72 AUTH_REJECTEDCRED
=2, /* client should begin new session */
73 AUTH_BADVERF
=3, /* bogus verifier (seal broken) */
74 AUTH_REJECTEDVERF
=4, /* verifier expired or was replayed */
75 AUTH_TOOWEAK
=5, /* rejected due to security reasons */
79 AUTH_INVALIDRESP
=6, /* bogus response verifier */
80 AUTH_FAILED
=7 /* some unknown reason */
90 typedef union des_block des_block
;
91 extern bool_t
xdr_des_block (XDR
*__xdrs
, des_block
*__blkp
) __THROW
;
94 * Authentication info. Opaque to client.
97 enum_t oa_flavor
; /* flavor of auth */
98 caddr_t oa_base
; /* address of more auth stuff */
99 u_int oa_length
; /* not to exceed MAX_AUTH_BYTES */
103 * Auth handle, interface to client side authenticators.
105 typedef struct AUTH AUTH
;
107 struct opaque_auth ah_cred
;
108 struct opaque_auth ah_verf
;
109 union des_block ah_key
;
111 void (*ah_nextverf
) (AUTH
*);
112 int (*ah_marshal
) (AUTH
*, XDR
*); /* nextverf & serialize */
113 int (*ah_validate
) (AUTH
*, struct opaque_auth
*);
114 /* validate verifier */
115 int (*ah_refresh
) (AUTH
*); /* refresh credentials */
116 void (*ah_destroy
) (AUTH
*); /* destroy this structure */
123 * Authentication ops.
124 * The ops and the auth handle provide the interface to the authenticators.
128 * struct opaque_auth verf;
130 #define AUTH_NEXTVERF(auth) \
131 ((*((auth)->ah_ops->ah_nextverf))(auth))
132 #define auth_nextverf(auth) \
133 ((*((auth)->ah_ops->ah_nextverf))(auth))
135 #define AUTH_MARSHALL(auth, xdrs) \
136 ((*((auth)->ah_ops->ah_marshal))(auth, xdrs))
137 #define auth_marshall(auth, xdrs) \
138 ((*((auth)->ah_ops->ah_marshal))(auth, xdrs))
140 #define AUTH_VALIDATE(auth, verfp) \
141 ((*((auth)->ah_ops->ah_validate))((auth), verfp))
142 #define auth_validate(auth, verfp) \
143 ((*((auth)->ah_ops->ah_validate))((auth), verfp))
145 #define AUTH_REFRESH(auth) \
146 ((*((auth)->ah_ops->ah_refresh))(auth))
147 #define auth_refresh(auth) \
148 ((*((auth)->ah_ops->ah_refresh))(auth))
150 #define AUTH_DESTROY(auth) \
151 ((*((auth)->ah_ops->ah_destroy))(auth))
152 #define auth_destroy(auth) \
153 ((*((auth)->ah_ops->ah_destroy))(auth))
156 extern struct opaque_auth _null_auth
;
160 * These are the various implementations of client side authenticators.
164 * Unix style authentication
165 * AUTH *authunix_create(machname, uid, gid, len, aup_gids)
172 extern AUTH
*authunix_create (char *__machname
, __uid_t __uid
, __gid_t __gid
,
173 int __len
, __gid_t
*__aup_gids
);
174 libc_hidden_proto(authunix_create
)
175 extern AUTH
*authunix_create_default (void);
176 libc_hidden_proto(authunix_create_default
)
177 extern AUTH
*authnone_create (void) __THROW
;
178 libc_hidden_proto(authnone_create
)
180 extern AUTH
*authdes_create (const char *__servername
, u_int __window
,
181 struct sockaddr
*__syncaddr
, des_block
*__ckey
)
183 extern AUTH
*authdes_pk_create (const char *, netobj
*, u_int
,
184 struct sockaddr
*, des_block
*) __THROW
;
188 #define AUTH_NONE 0 /* no authentication */
189 #define AUTH_NULL 0 /* backward compatibility */
190 #define AUTH_SYS 1 /* unix style (uid, gids) */
191 #define AUTH_UNIX AUTH_SYS
192 #define AUTH_SHORT 2 /* short hand unix style */
193 #define AUTH_DES 3 /* des style (encrypted timestamps) */
194 #define AUTH_DH AUTH_DES /* Diffie-Hellman (this is DES) */
195 #define AUTH_KERB 4 /* kerberos style */
199 * Netname manipulating functions
202 extern int getnetname (char *) __THROW
;
203 extern int host2netname (char *, __const
char *, __const
char *) __THROW
;
204 extern int user2netname (char *, __const uid_t
, __const
char *) __THROW
;
205 extern int netname2user (__const
char *, uid_t
*, gid_t
*, int *, gid_t
*)
207 extern int netname2host (__const
char *, char *, __const
int) __THROW
;
211 * These routines interface to the keyserv daemon
214 extern int key_decryptsession (char *, des_block
*);
215 extern int key_decryptsession_pk (char *, netobj
*, des_block
*);
216 extern int key_encryptsession (char *, des_block
*);
217 extern int key_encryptsession_pk (char *, netobj
*, des_block
*);
218 extern int key_gendes (des_block
*);
219 extern int key_setsecret (char *);
220 extern int key_secretkey_is_set (void);
221 extern int key_get_conv (char *, des_block
*);
225 * XDR an opaque authentication struct.
227 extern bool_t
xdr_opaque_auth (XDR
*, struct opaque_auth
*) __THROW
;
228 libc_hidden_proto(xdr_opaque_auth
)
232 #endif /* rpc/auth.h */