41  * The system is very weak.  The client uses no encryption for its
55 #include <gssrpc/auth.h>
61 static void	authunix_nextverf(AUTH *);
62 static bool_t	authunix_marshal(AUTH *, XDR *);
63 static bool_t	authunix_validate(AUTH *, struct opaque_auth *);
64 static bool_t	authunix_refresh(AUTH *, struct rpc_msg *);
65 static void	authunix_destroy(AUTH *);
66 static bool_t	authunix_wrap(AUTH *, XDR *, xdrproc_t, caddr_t);
88 #define	AUTH_PRIVATE(auth)	((struct audata *)auth->ah_private)  argument
90 static void marshal_new_auth(AUTH *);
95  * Returns an auth handle with the given stuff in it.
97 AUTH *
109 	AUTH *auth;  in authunix_create()  local
113 	 * Allocate and set up auth handle  in authunix_create()
115 	auth = (AUTH *)mem_alloc(sizeof(*auth));  in authunix_create()
117 	if (auth == NULL) {  in authunix_create()
129 	auth->ah_ops = &auth_unix_ops;  in authunix_create()
130 	auth->ah_private = (caddr_t)au;  in authunix_create()
131 	auth->ah_verf = au->au_shcred = gssrpc__null_auth;  in authunix_create()
132 	au->au_shfaults = 0;  in authunix_create()
151 	au->au_origcred.oa_length = len = XDR_GETPOS(&xdrs);  in authunix_create()
152 	au->au_origcred.oa_flavor = AUTH_UNIX;  in authunix_create()
154 	au->au_origcred.oa_base = mem_alloc((u_int) len);  in authunix_create()
156 	if ((au->au_origcred.oa_base = mem_alloc((u_int) len)) == NULL) {  in authunix_create()
161 	memmove(au->au_origcred.oa_base, mymem, (u_int)len);  in authunix_create()
164 	 * set auth handle to reflect new cred.  in authunix_create()
166 	auth->ah_cred = au->au_origcred;  in authunix_create()
167 	marshal_new_auth(auth);  in authunix_create()
168 	return (auth);  in authunix_create()
172  * Returns an auth handle with parameters determined by doing lots of
175 AUTH *
185 	if (gethostname(machname, MAX_MACHINE_NAME) == -1)  in authunix_create_default()
203 authunix_nextverf(AUTH *auth)  in authunix_nextverf()  argument
209 authunix_marshal(AUTH *auth, XDR *xdrs)  in authunix_marshal()  argument
211 	struct audata *au = AUTH_PRIVATE(auth);  in authunix_marshal()
213 	return (XDR_PUTBYTES(xdrs, au->au_marshed, au->au_mpos));  in authunix_marshal()
217 authunix_validate(AUTH *auth, struct opaque_auth *verf)  in authunix_validate()  argument
222 	if (verf->oa_flavor == AUTH_SHORT) {  in authunix_validate()
223 		au = AUTH_PRIVATE(auth);  in authunix_validate()
224 		xdrmem_create(&xdrs, verf->oa_base, verf->oa_length, XDR_DECODE);  in authunix_validate()
226 		if (au->au_shcred.oa_base != NULL) {  in authunix_validate()
227 			mem_free(au->au_shcred.oa_base,  in authunix_validate()
228 			    au->au_shcred.oa_length);  in authunix_validate()
229 			au->au_shcred.oa_base = NULL;  in authunix_validate()
231 		if (xdr_opaque_auth(&xdrs, &au->au_shcred)) {  in authunix_validate()
232 			auth->ah_cred = au->au_shcred;  in authunix_validate()
235 			(void)xdr_opaque_auth(&xdrs, &au->au_shcred);  in authunix_validate()
236 			au->au_shcred.oa_base = NULL;  in authunix_validate()
237 			auth->ah_cred = au->au_origcred;  in authunix_validate()
239 		marshal_new_auth(auth);  in authunix_validate()
245 authunix_refresh(AUTH *auth, struct rpc_msg *msg)  in authunix_refresh()  argument
247 	struct audata *au = AUTH_PRIVATE(auth);  in authunix_refresh()
253 	if (auth->ah_cred.oa_base == au->au_origcred.oa_base) {  in authunix_refresh()
257 	au->au_shfaults ++;  in authunix_refresh()
262 	xdrmem_create(&xdrs, au->au_origcred.oa_base,  in authunix_refresh()
263 	    au->au_origcred.oa_length, XDR_DECODE);  in authunix_refresh()
276 	auth->ah_cred = au->au_origcred;  in authunix_refresh()
277 	marshal_new_auth(auth);  in authunix_refresh()
287 authunix_destroy(AUTH *auth)  in authunix_destroy()  argument
289 	struct audata *au = AUTH_PRIVATE(auth);  in authunix_destroy()
291 	mem_free(au->au_origcred.oa_base, au->au_origcred.oa_length);  in authunix_destroy()
293 	if (au->au_shcred.oa_base != NULL)  in authunix_destroy()
294 		mem_free(au->au_shcred.oa_base, au->au_shcred.oa_length);  in authunix_destroy()
296 	mem_free(auth->ah_private, sizeof(struct audata));  in authunix_destroy()
298 	if (auth->ah_verf.oa_base != NULL)  in authunix_destroy()
299 		mem_free(auth->ah_verf.oa_base, auth->ah_verf.oa_length);  in authunix_destroy()
301 	mem_free((caddr_t)auth, sizeof(*auth));  in authunix_destroy()
305  * Marshals (pre-serializes) an auth struct.
309 marshal_new_auth(AUTH *auth)  in marshal_new_auth()  argument
313 	struct audata *au = AUTH_PRIVATE(auth);  in marshal_new_auth()
315 	xdrmem_create(xdrs, au->au_marshed, MAX_AUTH_BYTES, XDR_ENCODE);  in marshal_new_auth()
316 	if ((! xdr_opaque_auth(xdrs, &(auth->ah_cred))) ||  in marshal_new_auth()
317 	    (! xdr_opaque_auth(xdrs, &(auth->ah_verf)))) {  in marshal_new_auth()
318 		perror("auth_none.c - Fatal marshalling problem");  in marshal_new_auth()
320 		au->au_mpos = XDR_GETPOS(xdrs);  in marshal_new_auth()
326 authunix_wrap(AUTH *auth, XDR *xdrs, xdrproc_t xfunc, caddr_t xwhere)  in authunix_wrap()  argument