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04277e02 | 1 | /* Copyright (C) 1996-2019 Free Software Foundation, Inc. |
6259ec0d | 2 | This file is part of the GNU C Library. |
b85697f6 | 3 | Contributed by Thorsten Kukuk <kukuk@suse.de>, 1996. |
6259ec0d UD |
4 | |
5 | The GNU C Library is free software; you can redistribute it and/or | |
41bdb6e2 AJ |
6 | modify it under the terms of the GNU Lesser General Public |
7 | License as published by the Free Software Foundation; either | |
8 | version 2.1 of the License, or (at your option) any later version. | |
6259ec0d UD |
9 | |
10 | The GNU C Library is distributed in the hope that it will be useful, | |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
41bdb6e2 | 13 | Lesser General Public License for more details. |
6259ec0d | 14 | |
41bdb6e2 | 15 | You should have received a copy of the GNU Lesser General Public |
59ba27a6 PE |
16 | License along with the GNU C Library; if not, see |
17 | <http://www.gnu.org/licenses/>. */ | |
6259ec0d | 18 | |
ee74a442 | 19 | #include <errno.h> |
cc3fa755 | 20 | #include <fcntl.h> |
6259ec0d UD |
21 | #include <string.h> |
22 | #include <unistd.h> | |
4360eafd | 23 | #include <libintl.h> |
26dee9c4 | 24 | #include <rpc/rpc.h> |
f21acc89 | 25 | #include <rpcsvc/nis.h> |
6259ec0d UD |
26 | #include <rpcsvc/yp.h> |
27 | #include <rpcsvc/ypclnt.h> | |
28 | #include <rpcsvc/ypupd.h> | |
8ccf22f9 | 29 | #include <sys/socket.h> |
9931ba24 | 30 | #include <sys/uio.h> |
ec999b8e | 31 | #include <libc-lock.h> |
82f43dd2 | 32 | #include <shlib-compat.h> |
6259ec0d | 33 | |
9931ba24 UD |
34 | /* This should only be defined on systems with a BSD compatible ypbind */ |
35 | #ifndef BINDINGDIR | |
36 | # define BINDINGDIR "/var/yp/binding" | |
37 | #endif | |
38 | ||
6259ec0d UD |
39 | struct dom_binding |
40 | { | |
41 | struct dom_binding *dom_pnext; | |
42 | char dom_domain[YPMAXDOMAIN + 1]; | |
43 | struct sockaddr_in dom_server_addr; | |
44 | int dom_socket; | |
45 | CLIENT *dom_client; | |
6259ec0d UD |
46 | }; |
47 | typedef struct dom_binding dom_binding; | |
48 | ||
3218d55b UD |
49 | static const struct timeval RPCTIMEOUT = {25, 0}; |
50 | static const struct timeval UDPTIMEOUT = {5, 0}; | |
66f72f03 | 51 | static int const MAXTRIES = 2; |
2c2efdc1 | 52 | static char ypdomainname[NIS_MAXNAMELEN + 1]; |
6259ec0d | 53 | __libc_lock_define_initialized (static, ypbindlist_lock) |
2c2efdc1 | 54 | static dom_binding *ypbindlist = NULL; |
6259ec0d | 55 | |
f8b87ef0 | 56 | |
57be8a82 | 57 | static void |
4c9ae37b UD |
58 | yp_bind_client_create (const char *domain, dom_binding *ysd, |
59 | struct ypbind_resp *ypbr) | |
57be8a82 RM |
60 | { |
61 | ysd->dom_server_addr.sin_family = AF_INET; | |
62 | memcpy (&ysd->dom_server_addr.sin_port, | |
63 | ypbr->ypbind_resp_u.ypbind_bindinfo.ypbind_binding_port, | |
64 | sizeof (ysd->dom_server_addr.sin_port)); | |
65 | memcpy (&ysd->dom_server_addr.sin_addr.s_addr, | |
66 | ypbr->ypbind_resp_u.ypbind_bindinfo.ypbind_binding_addr, | |
67 | sizeof (ysd->dom_server_addr.sin_addr.s_addr)); | |
68 | strncpy (ysd->dom_domain, domain, YPMAXDOMAIN); | |
69 | ysd->dom_domain[YPMAXDOMAIN] = '\0'; | |
70 | ||
71 | ysd->dom_socket = RPC_ANYSOCK; | |
8ccf22f9 UD |
72 | ysd->dom_client = __libc_clntudp_bufcreate (&ysd->dom_server_addr, YPPROG, |
73 | YPVERS, UDPTIMEOUT, | |
74 | &ysd->dom_socket, | |
75 | UDPMSGSIZE, UDPMSGSIZE, | |
52fb79d6 | 76 | SOCK_CLOEXEC); |
57be8a82 RM |
77 | } |
78 | ||
4c9ae37b | 79 | #if USE_BINDINGDIR |
57be8a82 | 80 | static void |
4c9ae37b | 81 | yp_bind_file (const char *domain, dom_binding *ysd) |
57be8a82 | 82 | { |
3900770e | 83 | char path[sizeof (BINDINGDIR) + strlen (domain) + 3 * sizeof (unsigned) + 3]; |
57be8a82 | 84 | |
3900770e UD |
85 | snprintf (path, sizeof (path), "%s/%s.%u", BINDINGDIR, domain, YPBINDVERS); |
86 | int fd = open (path, O_RDONLY); | |
57be8a82 RM |
87 | if (fd >= 0) |
88 | { | |
3900770e UD |
89 | /* We have a binding file and could save a RPC call. The file |
90 | contains a port number and the YPBIND_RESP record. The port | |
91 | number (16 bits) can be ignored. */ | |
92 | struct ypbind_resp ypbr; | |
57be8a82 | 93 | |
3900770e | 94 | if (pread (fd, &ypbr, sizeof (ypbr), 2) == sizeof (ypbr)) |
4c9ae37b | 95 | yp_bind_client_create (domain, ysd, &ypbr); |
57be8a82 RM |
96 | |
97 | close (fd); | |
98 | } | |
99 | } | |
4c9ae37b | 100 | #endif |
57be8a82 | 101 | |
6259ec0d | 102 | static int |
4c9ae37b | 103 | yp_bind_ypbindprog (const char *domain, dom_binding *ysd) |
6259ec0d UD |
104 | { |
105 | struct sockaddr_in clnt_saddr; | |
106 | struct ypbind_resp ypbr; | |
6259ec0d UD |
107 | int clnt_sock; |
108 | CLIENT *client; | |
57be8a82 | 109 | |
57be8a82 | 110 | clnt_saddr.sin_family = AF_INET; |
2c2efdc1 | 111 | clnt_saddr.sin_port = 0; |
57be8a82 RM |
112 | clnt_saddr.sin_addr.s_addr = htonl (INADDR_LOOPBACK); |
113 | clnt_sock = RPC_ANYSOCK; | |
114 | client = clnttcp_create (&clnt_saddr, YPBINDPROG, YPBINDVERS, | |
115 | &clnt_sock, 0, 0); | |
116 | if (client == NULL) | |
117 | return YPERR_YPBIND; | |
118 | ||
119 | /* Check the port number -- should be < IPPORT_RESERVED. | |
120 | If not, it's possible someone has registered a bogus | |
121 | ypbind with the portmapper and is trying to trick us. */ | |
122 | if (ntohs (clnt_saddr.sin_port) >= IPPORT_RESERVED) | |
123 | { | |
124 | clnt_destroy (client); | |
125 | return YPERR_YPBIND; | |
126 | } | |
127 | ||
128 | if (clnt_call (client, YPBINDPROC_DOMAIN, | |
129 | (xdrproc_t) xdr_domainname, (caddr_t) &domain, | |
130 | (xdrproc_t) xdr_ypbind_resp, | |
131 | (caddr_t) &ypbr, RPCTIMEOUT) != RPC_SUCCESS) | |
132 | { | |
133 | clnt_destroy (client); | |
134 | return YPERR_YPBIND; | |
135 | } | |
136 | ||
137 | clnt_destroy (client); | |
138 | ||
139 | if (ypbr.ypbind_status != YPBIND_SUCC_VAL) | |
140 | { | |
2c2efdc1 | 141 | fprintf (stderr, "YPBINDPROC_DOMAIN: %s\n", |
57be8a82 RM |
142 | ypbinderr_string (ypbr.ypbind_resp_u.ypbind_error)); |
143 | return YPERR_DOMAIN; | |
144 | } | |
145 | memset (&ysd->dom_server_addr, '\0', sizeof ysd->dom_server_addr); | |
146 | ||
4c9ae37b | 147 | yp_bind_client_create (domain, ysd, &ypbr); |
57be8a82 RM |
148 | |
149 | return YPERR_SUCCESS; | |
150 | } | |
151 | ||
152 | static int | |
153 | __yp_bind (const char *domain, dom_binding **ypdb) | |
154 | { | |
155 | dom_binding *ysd = NULL; | |
6259ec0d | 156 | int is_new = 0; |
6259ec0d | 157 | |
6ff5bc68 | 158 | if (domain == NULL || domain[0] == '\0') |
6259ec0d UD |
159 | return YPERR_BADARGS; |
160 | ||
345d9208 UD |
161 | ysd = *ypdb; |
162 | while (ysd != NULL) | |
6259ec0d | 163 | { |
345d9208 UD |
164 | if (strcmp (domain, ysd->dom_domain) == 0) |
165 | break; | |
166 | ysd = ysd->dom_pnext; | |
6259ec0d UD |
167 | } |
168 | ||
169 | if (ysd == NULL) | |
170 | { | |
171 | is_new = 1; | |
bd355af0 | 172 | ysd = (dom_binding *) calloc (1, sizeof *ysd); |
a1ffb40e | 173 | if (__glibc_unlikely (ysd == NULL)) |
3b965a7d | 174 | return YPERR_RESRC; |
6259ec0d UD |
175 | } |
176 | ||
9931ba24 | 177 | #if USE_BINDINGDIR |
3900770e | 178 | /* Try binding dir at first if we have no binding */ |
57be8a82 | 179 | if (ysd->dom_client == NULL) |
3900770e | 180 | yp_bind_file (domain, ysd); |
9931ba24 UD |
181 | #endif /* USE_BINDINGDIR */ |
182 | ||
b85697f6 UD |
183 | if (ysd->dom_client == NULL) |
184 | { | |
4c9ae37b | 185 | int retval = yp_bind_ypbindprog (domain, ysd); |
57be8a82 | 186 | if (retval != YPERR_SUCCESS) |
b85697f6 | 187 | { |
b85697f6 UD |
188 | if (is_new) |
189 | free (ysd); | |
57be8a82 | 190 | return retval; |
b85697f6 | 191 | } |
6259ec0d | 192 | } |
6259ec0d | 193 | |
b85697f6 UD |
194 | if (ysd->dom_client == NULL) |
195 | { | |
196 | if (is_new) | |
197 | free (ysd); | |
198 | return YPERR_YPSERV; | |
199 | } | |
6259ec0d | 200 | |
47ae3942 | 201 | if (is_new) |
6259ec0d | 202 | { |
345d9208 UD |
203 | ysd->dom_pnext = *ypdb; |
204 | *ypdb = ysd; | |
6259ec0d UD |
205 | } |
206 | ||
6259ec0d UD |
207 | return YPERR_SUCCESS; |
208 | } | |
209 | ||
210 | static void | |
211 | __yp_unbind (dom_binding *ydb) | |
212 | { | |
213 | clnt_destroy (ydb->dom_client); | |
345d9208 | 214 | free (ydb); |
b85697f6 UD |
215 | } |
216 | ||
217 | int | |
218 | yp_bind (const char *indomain) | |
219 | { | |
220 | int status; | |
221 | ||
222 | __libc_lock_lock (ypbindlist_lock); | |
223 | ||
2c2efdc1 | 224 | status = __yp_bind (indomain, &ypbindlist); |
b85697f6 UD |
225 | |
226 | __libc_lock_unlock (ypbindlist_lock); | |
227 | ||
228 | return status; | |
229 | } | |
1e4d83f6 | 230 | libnsl_hidden_nolink_def (yp_bind, GLIBC_2_0) |
b85697f6 UD |
231 | |
232 | static void | |
233 | yp_unbind_locked (const char *indomain) | |
234 | { | |
235 | dom_binding *ydbptr, *ydbptr2; | |
236 | ||
237 | ydbptr2 = NULL; | |
2c2efdc1 | 238 | ydbptr = ypbindlist; |
b85697f6 UD |
239 | |
240 | while (ydbptr != NULL) | |
241 | { | |
242 | if (strcmp (ydbptr->dom_domain, indomain) == 0) | |
243 | { | |
244 | dom_binding *work; | |
245 | ||
246 | work = ydbptr; | |
247 | if (ydbptr2 == NULL) | |
2c2efdc1 | 248 | ypbindlist = ypbindlist->dom_pnext; |
b85697f6 UD |
249 | else |
250 | ydbptr2 = ydbptr->dom_pnext; | |
251 | __yp_unbind (work); | |
b85697f6 UD |
252 | break; |
253 | } | |
254 | ydbptr2 = ydbptr; | |
255 | ydbptr = ydbptr->dom_pnext; | |
256 | } | |
257 | } | |
258 | ||
259 | void | |
260 | yp_unbind (const char *indomain) | |
261 | { | |
262 | __libc_lock_lock (ypbindlist_lock); | |
263 | ||
264 | yp_unbind_locked (indomain); | |
265 | ||
266 | __libc_lock_unlock (ypbindlist_lock); | |
267 | ||
268 | return; | |
6259ec0d | 269 | } |
1e4d83f6 | 270 | libnsl_hidden_nolink_def(yp_unbind, GLIBC_2_0) |
6259ec0d | 271 | |
57be8a82 RM |
272 | static int |
273 | __ypclnt_call (const char *domain, u_long prog, xdrproc_t xargs, | |
274 | caddr_t req, xdrproc_t xres, caddr_t resp, dom_binding **ydb, | |
275 | int print_error) | |
276 | { | |
277 | enum clnt_stat result; | |
278 | ||
279 | result = clnt_call ((*ydb)->dom_client, prog, | |
280 | xargs, req, xres, resp, RPCTIMEOUT); | |
281 | ||
282 | if (result != RPC_SUCCESS) | |
283 | { | |
284 | /* We don't print an error message, if we try our old, | |
285 | cached data. Only print this for data, which should work. */ | |
286 | if (print_error) | |
287 | clnt_perror ((*ydb)->dom_client, "do_ypcall: clnt_call"); | |
288 | ||
289 | return YPERR_RPC; | |
290 | } | |
291 | ||
292 | return YPERR_SUCCESS; | |
293 | } | |
294 | ||
6259ec0d UD |
295 | static int |
296 | do_ypcall (const char *domain, u_long prog, xdrproc_t xargs, | |
297 | caddr_t req, xdrproc_t xres, caddr_t resp) | |
298 | { | |
57be8a82 RM |
299 | dom_binding *ydb; |
300 | int status; | |
a788b6c2 | 301 | int saved_errno = errno; |
6259ec0d | 302 | |
d111572f | 303 | status = YPERR_YPERR; |
6259ec0d | 304 | |
cc3fa755 | 305 | __libc_lock_lock (ypbindlist_lock); |
2c2efdc1 | 306 | ydb = ypbindlist; |
9435d38c | 307 | while (ydb != NULL) |
6259ec0d | 308 | { |
9435d38c | 309 | if (strcmp (domain, ydb->dom_domain) == 0) |
57be8a82 RM |
310 | { |
311 | if (__yp_bind (domain, &ydb) == 0) | |
312 | { | |
313 | /* Call server, print no error message, do not unbind. */ | |
314 | status = __ypclnt_call (domain, prog, xargs, req, xres, | |
315 | resp, &ydb, 0); | |
316 | if (status == YPERR_SUCCESS) | |
317 | { | |
9435d38c | 318 | __libc_lock_unlock (ypbindlist_lock); |
57be8a82 RM |
319 | __set_errno (saved_errno); |
320 | return status; | |
321 | } | |
322 | } | |
323 | /* We use ypbindlist, and the old cached data is | |
324 | invalid. unbind now and create a new binding */ | |
325 | yp_unbind_locked (domain); | |
9435d38c UD |
326 | |
327 | break; | |
57be8a82 | 328 | } |
9435d38c | 329 | ydb = ydb->dom_pnext; |
cc3fa755 | 330 | } |
4c9ae37b | 331 | __libc_lock_unlock (ypbindlist_lock); |
6259ec0d | 332 | |
57be8a82 RM |
333 | /* First try with cached data failed. Now try to get |
334 | current data from the system. */ | |
335 | ydb = NULL; | |
336 | if (__yp_bind (domain, &ydb) == 0) | |
cc3fa755 | 337 | { |
57be8a82 RM |
338 | status = __ypclnt_call (domain, prog, xargs, req, xres, |
339 | resp, &ydb, 1); | |
340 | __yp_unbind (ydb); | |
341 | } | |
6259ec0d | 342 | |
57be8a82 RM |
343 | #if USE_BINDINGDIR |
344 | /* If we support binding dir data, we have a third chance: | |
345 | Ask ypbind. */ | |
346 | if (status != YPERR_SUCCESS) | |
347 | { | |
348 | ydb = calloc (1, sizeof (dom_binding)); | |
2c2efdc1 | 349 | if (ydb != NULL && yp_bind_ypbindprog (domain, ydb) == YPERR_SUCCESS) |
6259ec0d | 350 | { |
57be8a82 RM |
351 | status = __ypclnt_call (domain, prog, xargs, req, xres, |
352 | resp, &ydb, 1); | |
353 | __yp_unbind (ydb); | |
6259ec0d | 354 | } |
d111572f | 355 | else |
57be8a82 | 356 | free (ydb); |
6259ec0d | 357 | } |
57be8a82 | 358 | #endif |
6259ec0d | 359 | |
a788b6c2 UD |
360 | __set_errno (saved_errno); |
361 | ||
d111572f | 362 | return status; |
6259ec0d UD |
363 | } |
364 | ||
2c2efdc1 UD |
365 | /* Like do_ypcall, but translate the status value if necessary. */ |
366 | static int | |
367 | do_ypcall_tr (const char *domain, u_long prog, xdrproc_t xargs, | |
368 | caddr_t req, xdrproc_t xres, caddr_t resp) | |
369 | { | |
370 | int status = do_ypcall (domain, prog, xargs, req, xres, resp); | |
371 | if (status == YPERR_SUCCESS) | |
372 | /* We cast to ypresp_val although the pointer could also be of | |
373 | type ypresp_key_val or ypresp_master or ypresp_order or | |
374 | ypresp_maplist. But the stat element is in a common prefix so | |
375 | this does not matter. */ | |
376 | status = ypprot_err (((struct ypresp_val *) resp)->stat); | |
377 | return status; | |
378 | } | |
379 | ||
6259ec0d UD |
380 | |
381 | __libc_lock_define_initialized (static, domainname_lock) | |
382 | ||
383 | int | |
384 | yp_get_default_domain (char **outdomain) | |
385 | { | |
386 | int result = YPERR_SUCCESS;; | |
387 | *outdomain = NULL; | |
388 | ||
389 | __libc_lock_lock (domainname_lock); | |
390 | ||
2c2efdc1 | 391 | if (ypdomainname[0] == '\0') |
6259ec0d | 392 | { |
2c2efdc1 | 393 | if (getdomainname (ypdomainname, NIS_MAXNAMELEN)) |
6259ec0d | 394 | result = YPERR_NODOM; |
2c2efdc1 | 395 | else if (strcmp (ypdomainname, "(none)") == 0) |
ee74a442 | 396 | { |
b85697f6 | 397 | /* If domainname is not set, some systems will return "(none)" */ |
2c2efdc1 | 398 | ypdomainname[0] = '\0'; |
ee74a442 UD |
399 | result = YPERR_NODOM; |
400 | } | |
6259ec0d | 401 | else |
2c2efdc1 | 402 | *outdomain = ypdomainname; |
6259ec0d UD |
403 | } |
404 | else | |
2c2efdc1 | 405 | *outdomain = ypdomainname; |
6259ec0d UD |
406 | |
407 | __libc_lock_unlock (domainname_lock); | |
408 | ||
409 | return result; | |
410 | } | |
1e4d83f6 | 411 | libnsl_hidden_nolink_def (yp_get_default_domain, GLIBC_2_0) |
6259ec0d UD |
412 | |
413 | int | |
414 | __yp_check (char **domain) | |
415 | { | |
416 | char *unused; | |
417 | ||
2c2efdc1 | 418 | if (ypdomainname[0] == '\0') |
6259ec0d UD |
419 | if (yp_get_default_domain (&unused)) |
420 | return 0; | |
6259ec0d UD |
421 | |
422 | if (domain) | |
2c2efdc1 | 423 | *domain = ypdomainname; |
6259ec0d | 424 | |
2c2efdc1 | 425 | if (yp_bind (ypdomainname) == 0) |
6259ec0d UD |
426 | return 1; |
427 | return 0; | |
428 | } | |
1e4d83f6 | 429 | libnsl_hidden_nolink_def(__yp_check, GLIBC_2_0) |
6259ec0d UD |
430 | |
431 | int | |
432 | yp_match (const char *indomain, const char *inmap, const char *inkey, | |
433 | const int inkeylen, char **outval, int *outvallen) | |
434 | { | |
435 | ypreq_key req; | |
436 | ypresp_val resp; | |
d111572f | 437 | enum clnt_stat result; |
6259ec0d | 438 | |
34a5a146 JM |
439 | if (indomain == NULL || indomain[0] == '\0' |
440 | || inmap == NULL || inmap[0] == '\0' | |
441 | || inkey == NULL || inkey[0] == '\0' || inkeylen <= 0) | |
6259ec0d UD |
442 | return YPERR_BADARGS; |
443 | ||
68dbb3a6 UD |
444 | req.domain = (char *) indomain; |
445 | req.map = (char *) inmap; | |
446 | req.key.keydat_val = (char *) inkey; | |
6259ec0d UD |
447 | req.key.keydat_len = inkeylen; |
448 | ||
449 | *outval = NULL; | |
450 | *outvallen = 0; | |
451 | memset (&resp, '\0', sizeof (resp)); | |
452 | ||
2c2efdc1 UD |
453 | result = do_ypcall_tr (indomain, YPPROC_MATCH, (xdrproc_t) xdr_ypreq_key, |
454 | (caddr_t) &req, (xdrproc_t) xdr_ypresp_val, | |
455 | (caddr_t) &resp); | |
6259ec0d | 456 | |
4bca4c17 UD |
457 | if (result != YPERR_SUCCESS) |
458 | return result; | |
6259ec0d UD |
459 | |
460 | *outvallen = resp.val.valdat_len; | |
461 | *outval = malloc (*outvallen + 1); | |
2c2efdc1 | 462 | int status = YPERR_RESRC; |
a1ffb40e | 463 | if (__glibc_likely (*outval != NULL)) |
2c2efdc1 UD |
464 | { |
465 | memcpy (*outval, resp.val.valdat_val, *outvallen); | |
466 | (*outval)[*outvallen] = '\0'; | |
467 | status = YPERR_SUCCESS; | |
468 | } | |
6259ec0d UD |
469 | |
470 | xdr_free ((xdrproc_t) xdr_ypresp_val, (char *) &resp); | |
471 | ||
2c2efdc1 | 472 | return status; |
6259ec0d | 473 | } |
1e4d83f6 | 474 | libnsl_hidden_nolink_def(yp_match, GLIBC_2_0) |
6259ec0d UD |
475 | |
476 | int | |
477 | yp_first (const char *indomain, const char *inmap, char **outkey, | |
478 | int *outkeylen, char **outval, int *outvallen) | |
479 | { | |
480 | ypreq_nokey req; | |
481 | ypresp_key_val resp; | |
d111572f | 482 | enum clnt_stat result; |
6259ec0d | 483 | |
34a5a146 JM |
484 | if (indomain == NULL || indomain[0] == '\0' |
485 | || inmap == NULL || inmap[0] == '\0') | |
6259ec0d UD |
486 | return YPERR_BADARGS; |
487 | ||
68dbb3a6 UD |
488 | req.domain = (char *) indomain; |
489 | req.map = (char *) inmap; | |
6259ec0d UD |
490 | |
491 | *outkey = *outval = NULL; | |
492 | *outkeylen = *outvallen = 0; | |
493 | memset (&resp, '\0', sizeof (resp)); | |
494 | ||
495 | result = do_ypcall (indomain, YPPROC_FIRST, (xdrproc_t) xdr_ypreq_nokey, | |
2c2efdc1 UD |
496 | (caddr_t) &req, (xdrproc_t) xdr_ypresp_key_val, |
497 | (caddr_t) &resp); | |
6259ec0d UD |
498 | |
499 | if (result != RPC_SUCCESS) | |
d111572f | 500 | return YPERR_RPC; |
6259ec0d UD |
501 | if (resp.stat != YP_TRUE) |
502 | return ypprot_err (resp.stat); | |
503 | ||
2c2efdc1 UD |
504 | int status; |
505 | if (__builtin_expect ((*outkey = malloc (resp.key.keydat_len + 1)) != NULL | |
506 | && (*outval = malloc (resp.val.valdat_len | |
507 | + 1)) != NULL, 1)) | |
508 | { | |
509 | *outkeylen = resp.key.keydat_len; | |
510 | memcpy (*outkey, resp.key.keydat_val, *outkeylen); | |
511 | (*outkey)[*outkeylen] = '\0'; | |
512 | ||
513 | *outvallen = resp.val.valdat_len; | |
514 | memcpy (*outval, resp.val.valdat_val, *outvallen); | |
515 | (*outval)[*outvallen] = '\0'; | |
516 | ||
517 | status = YPERR_SUCCESS; | |
518 | } | |
519 | else | |
520 | { | |
521 | free (*outkey); | |
522 | status = YPERR_RESRC; | |
523 | } | |
6259ec0d UD |
524 | |
525 | xdr_free ((xdrproc_t) xdr_ypresp_key_val, (char *) &resp); | |
526 | ||
2c2efdc1 | 527 | return status; |
6259ec0d | 528 | } |
1e4d83f6 | 529 | libnsl_hidden_nolink_def(yp_first, GLIBC_2_0) |
6259ec0d UD |
530 | |
531 | int | |
532 | yp_next (const char *indomain, const char *inmap, const char *inkey, | |
533 | const int inkeylen, char **outkey, int *outkeylen, char **outval, | |
534 | int *outvallen) | |
535 | { | |
536 | ypreq_key req; | |
537 | ypresp_key_val resp; | |
d111572f | 538 | enum clnt_stat result; |
6259ec0d | 539 | |
34a5a146 JM |
540 | if (indomain == NULL || indomain[0] == '\0' |
541 | || inmap == NULL || inmap[0] == '\0' | |
542 | || inkeylen <= 0 || inkey == NULL || inkey[0] == '\0') | |
6259ec0d UD |
543 | return YPERR_BADARGS; |
544 | ||
68dbb3a6 UD |
545 | req.domain = (char *) indomain; |
546 | req.map = (char *) inmap; | |
547 | req.key.keydat_val = (char *) inkey; | |
6259ec0d UD |
548 | req.key.keydat_len = inkeylen; |
549 | ||
550 | *outkey = *outval = NULL; | |
551 | *outkeylen = *outvallen = 0; | |
552 | memset (&resp, '\0', sizeof (resp)); | |
553 | ||
2c2efdc1 UD |
554 | result = do_ypcall_tr (indomain, YPPROC_NEXT, (xdrproc_t) xdr_ypreq_key, |
555 | (caddr_t) &req, (xdrproc_t) xdr_ypresp_key_val, | |
556 | (caddr_t) &resp); | |
6259ec0d | 557 | |
4bca4c17 UD |
558 | if (result != YPERR_SUCCESS) |
559 | return result; | |
6259ec0d | 560 | |
2c2efdc1 UD |
561 | int status; |
562 | if (__builtin_expect ((*outkey = malloc (resp.key.keydat_len + 1)) != NULL | |
563 | && (*outval = malloc (resp.val.valdat_len | |
564 | + 1)) != NULL, 1)) | |
565 | { | |
566 | *outkeylen = resp.key.keydat_len; | |
567 | memcpy (*outkey, resp.key.keydat_val, *outkeylen); | |
568 | (*outkey)[*outkeylen] = '\0'; | |
569 | ||
570 | *outvallen = resp.val.valdat_len; | |
571 | memcpy (*outval, resp.val.valdat_val, *outvallen); | |
572 | (*outval)[*outvallen] = '\0'; | |
573 | ||
574 | status = YPERR_SUCCESS; | |
575 | } | |
576 | else | |
577 | { | |
578 | free (*outkey); | |
579 | status = YPERR_RESRC; | |
580 | } | |
6259ec0d UD |
581 | |
582 | xdr_free ((xdrproc_t) xdr_ypresp_key_val, (char *) &resp); | |
583 | ||
2c2efdc1 | 584 | return status; |
6259ec0d | 585 | } |
1e4d83f6 | 586 | libnsl_hidden_nolink_def(yp_next, GLIBC_2_0) |
6259ec0d UD |
587 | |
588 | int | |
589 | yp_master (const char *indomain, const char *inmap, char **outname) | |
590 | { | |
591 | ypreq_nokey req; | |
592 | ypresp_master resp; | |
d111572f | 593 | enum clnt_stat result; |
6259ec0d | 594 | |
34a5a146 JM |
595 | if (indomain == NULL || indomain[0] == '\0' |
596 | || inmap == NULL || inmap[0] == '\0') | |
6259ec0d UD |
597 | return YPERR_BADARGS; |
598 | ||
68dbb3a6 UD |
599 | req.domain = (char *) indomain; |
600 | req.map = (char *) inmap; | |
6259ec0d UD |
601 | |
602 | memset (&resp, '\0', sizeof (ypresp_master)); | |
603 | ||
2c2efdc1 UD |
604 | result = do_ypcall_tr (indomain, YPPROC_MASTER, (xdrproc_t) xdr_ypreq_nokey, |
605 | (caddr_t) &req, (xdrproc_t) xdr_ypresp_master, | |
606 | (caddr_t) &resp); | |
6259ec0d | 607 | |
4bca4c17 UD |
608 | if (result != YPERR_SUCCESS) |
609 | return result; | |
6259ec0d UD |
610 | |
611 | *outname = strdup (resp.peer); | |
612 | xdr_free ((xdrproc_t) xdr_ypresp_master, (char *) &resp); | |
613 | ||
d111572f | 614 | return *outname == NULL ? YPERR_YPERR : YPERR_SUCCESS; |
6259ec0d | 615 | } |
1e4d83f6 | 616 | libnsl_hidden_nolink_def (yp_master, GLIBC_2_0) |
6259ec0d UD |
617 | |
618 | int | |
619 | yp_order (const char *indomain, const char *inmap, unsigned int *outorder) | |
620 | { | |
621 | struct ypreq_nokey req; | |
622 | struct ypresp_order resp; | |
d111572f | 623 | enum clnt_stat result; |
6259ec0d | 624 | |
34a5a146 JM |
625 | if (indomain == NULL || indomain[0] == '\0' |
626 | || inmap == NULL || inmap[0] == '\0') | |
6259ec0d UD |
627 | return YPERR_BADARGS; |
628 | ||
68dbb3a6 UD |
629 | req.domain = (char *) indomain; |
630 | req.map = (char *) inmap; | |
6259ec0d UD |
631 | |
632 | memset (&resp, '\0', sizeof (resp)); | |
633 | ||
2c2efdc1 UD |
634 | result = do_ypcall_tr (indomain, YPPROC_ORDER, (xdrproc_t) xdr_ypreq_nokey, |
635 | (caddr_t) &req, (xdrproc_t) xdr_ypresp_order, | |
636 | (caddr_t) &resp); | |
6259ec0d | 637 | |
0f749099 | 638 | if (result != YPERR_SUCCESS) |
4bca4c17 | 639 | return result; |
6259ec0d UD |
640 | |
641 | *outorder = resp.ordernum; | |
642 | xdr_free ((xdrproc_t) xdr_ypresp_order, (char *) &resp); | |
643 | ||
2c2efdc1 | 644 | return result; |
6259ec0d | 645 | } |
1e4d83f6 | 646 | libnsl_hidden_nolink_def(yp_order, GLIBC_2_0) |
6259ec0d | 647 | |
ffdd5e50 UD |
648 | struct ypresp_all_data |
649 | { | |
650 | unsigned long status; | |
651 | void *data; | |
652 | int (*foreach) (int status, char *key, int keylen, | |
653 | char *val, int vallen, char *data); | |
654 | }; | |
6259ec0d UD |
655 | |
656 | static bool_t | |
ffdd5e50 | 657 | __xdr_ypresp_all (XDR *xdrs, struct ypresp_all_data *objp) |
6259ec0d UD |
658 | { |
659 | while (1) | |
660 | { | |
661 | struct ypresp_all resp; | |
662 | ||
663 | memset (&resp, '\0', sizeof (struct ypresp_all)); | |
664 | if (!xdr_ypresp_all (xdrs, &resp)) | |
665 | { | |
666 | xdr_free ((xdrproc_t) xdr_ypresp_all, (char *) &resp); | |
ffdd5e50 | 667 | objp->status = YP_YPERR; |
d111572f | 668 | return FALSE; |
6259ec0d UD |
669 | } |
670 | if (resp.more == 0) | |
671 | { | |
672 | xdr_free ((xdrproc_t) xdr_ypresp_all, (char *) &resp); | |
ffdd5e50 | 673 | objp->status = YP_NOMORE; |
d111572f | 674 | return TRUE; |
6259ec0d UD |
675 | } |
676 | ||
677 | switch (resp.ypresp_all_u.val.stat) | |
678 | { | |
679 | case YP_TRUE: | |
680 | { | |
681 | char key[resp.ypresp_all_u.val.key.keydat_len + 1]; | |
682 | char val[resp.ypresp_all_u.val.val.valdat_len + 1]; | |
683 | int keylen = resp.ypresp_all_u.val.key.keydat_len; | |
684 | int vallen = resp.ypresp_all_u.val.val.valdat_len; | |
685 | ||
b85697f6 UD |
686 | /* We are not allowed to modify the key and val data. |
687 | But we are allowed to add data behind the buffer, | |
688 | if we don't modify the length. So add an extra NUL | |
689 | character to avoid trouble with broken code. */ | |
ffdd5e50 | 690 | objp->status = YP_TRUE; |
91287339 UD |
691 | *((char *) __mempcpy (key, resp.ypresp_all_u.val.key.keydat_val, |
692 | keylen)) = '\0'; | |
693 | *((char *) __mempcpy (val, resp.ypresp_all_u.val.val.valdat_val, | |
694 | vallen)) = '\0'; | |
6259ec0d | 695 | xdr_free ((xdrproc_t) xdr_ypresp_all, (char *) &resp); |
ffdd5e50 UD |
696 | if ((*objp->foreach) (objp->status, key, keylen, |
697 | val, vallen, objp->data)) | |
6259ec0d UD |
698 | return TRUE; |
699 | } | |
700 | break; | |
6259ec0d | 701 | default: |
ffdd5e50 | 702 | objp->status = resp.ypresp_all_u.val.stat; |
6259ec0d | 703 | xdr_free ((xdrproc_t) xdr_ypresp_all, (char *) &resp); |
b85697f6 | 704 | /* Sun says we don't need to make this call, but must return |
91287339 | 705 | immediately. Since Solaris makes this call, we will call |
b85697f6 | 706 | the callback function, too. */ |
ffdd5e50 | 707 | (*objp->foreach) (objp->status, NULL, 0, NULL, 0, objp->data); |
6259ec0d UD |
708 | return TRUE; |
709 | } | |
710 | } | |
711 | } | |
712 | ||
713 | int | |
714 | yp_all (const char *indomain, const char *inmap, | |
715 | const struct ypall_callback *incallback) | |
716 | { | |
717 | struct ypreq_nokey req; | |
cc3fa755 | 718 | dom_binding *ydb = NULL; |
d111572f UD |
719 | int try, res; |
720 | enum clnt_stat result; | |
6259ec0d UD |
721 | struct sockaddr_in clnt_sin; |
722 | CLIENT *clnt; | |
ffdd5e50 | 723 | struct ypresp_all_data data; |
6259ec0d | 724 | int clnt_sock; |
a788b6c2 | 725 | int saved_errno = errno; |
6259ec0d | 726 | |
2c2efdc1 UD |
727 | if (indomain == NULL || indomain[0] == '\0' |
728 | || inmap == NULL || inmap[0] == '\0') | |
6259ec0d UD |
729 | return YPERR_BADARGS; |
730 | ||
731 | try = 0; | |
d111572f | 732 | res = YPERR_YPERR; |
6259ec0d | 733 | |
d111572f | 734 | while (try < MAXTRIES && res != YPERR_SUCCESS) |
6259ec0d | 735 | { |
6259ec0d UD |
736 | if (__yp_bind (indomain, &ydb) != 0) |
737 | { | |
a788b6c2 | 738 | __set_errno (saved_errno); |
6259ec0d UD |
739 | return YPERR_DOMAIN; |
740 | } | |
741 | ||
6259ec0d UD |
742 | clnt_sock = RPC_ANYSOCK; |
743 | clnt_sin = ydb->dom_server_addr; | |
744 | clnt_sin.sin_port = 0; | |
85939c79 UD |
745 | |
746 | /* We don't need the UDP connection anymore. */ | |
747 | __yp_unbind (ydb); | |
47ae3942 | 748 | ydb = NULL; |
85939c79 | 749 | |
6259ec0d UD |
750 | clnt = clnttcp_create (&clnt_sin, YPPROG, YPVERS, &clnt_sock, 0, 0); |
751 | if (clnt == NULL) | |
a788b6c2 UD |
752 | { |
753 | __set_errno (saved_errno); | |
754 | return YPERR_PMAP; | |
755 | } | |
68dbb3a6 UD |
756 | req.domain = (char *) indomain; |
757 | req.map = (char *) inmap; | |
6259ec0d | 758 | |
ffdd5e50 UD |
759 | data.foreach = incallback->foreach; |
760 | data.data = (void *) incallback->data; | |
6259ec0d | 761 | |
3e5f5557 UD |
762 | result = clnt_call (clnt, YPPROC_ALL, (xdrproc_t) xdr_ypreq_nokey, |
763 | (caddr_t) &req, (xdrproc_t) __xdr_ypresp_all, | |
ffdd5e50 | 764 | (caddr_t) &data, RPCTIMEOUT); |
6259ec0d | 765 | |
a1ffb40e | 766 | if (__glibc_unlikely (result != RPC_SUCCESS)) |
6259ec0d | 767 | { |
2c2efdc1 | 768 | /* Print the error message only on the last try. */ |
c891b2df UD |
769 | if (try == MAXTRIES - 1) |
770 | clnt_perror (clnt, "yp_all: clnt_call"); | |
d111572f | 771 | res = YPERR_RPC; |
6259ec0d UD |
772 | } |
773 | else | |
d111572f UD |
774 | res = YPERR_SUCCESS; |
775 | ||
776 | clnt_destroy (clnt); | |
6259ec0d | 777 | |
ffdd5e50 | 778 | if (res == YPERR_SUCCESS && data.status != YP_NOMORE) |
a788b6c2 UD |
779 | { |
780 | __set_errno (saved_errno); | |
ffdd5e50 | 781 | return ypprot_err (data.status); |
a788b6c2 UD |
782 | } |
783 | ++try; | |
6259ec0d UD |
784 | } |
785 | ||
a788b6c2 UD |
786 | __set_errno (saved_errno); |
787 | ||
d111572f | 788 | return res; |
6259ec0d | 789 | } |
1e4d83f6 | 790 | libnsl_hidden_nolink_def (yp_all, GLIBC_2_0) |
6259ec0d UD |
791 | |
792 | int | |
793 | yp_maplist (const char *indomain, struct ypmaplist **outmaplist) | |
794 | { | |
795 | struct ypresp_maplist resp; | |
d111572f | 796 | enum clnt_stat result; |
6259ec0d UD |
797 | |
798 | if (indomain == NULL || indomain[0] == '\0') | |
799 | return YPERR_BADARGS; | |
800 | ||
801 | memset (&resp, '\0', sizeof (resp)); | |
802 | ||
2c2efdc1 UD |
803 | result = do_ypcall_tr (indomain, YPPROC_MAPLIST, (xdrproc_t) xdr_domainname, |
804 | (caddr_t) &indomain, (xdrproc_t) xdr_ypresp_maplist, | |
805 | (caddr_t) &resp); | |
6259ec0d | 806 | |
a1ffb40e | 807 | if (__glibc_likely (result == YPERR_SUCCESS)) |
2c2efdc1 UD |
808 | { |
809 | *outmaplist = resp.maps; | |
810 | /* We don't free the list, this will be done by ypserv | |
811 | xdr_free((xdrproc_t)xdr_ypresp_maplist, (char *)&resp); */ | |
812 | } | |
a334319f | 813 | |
2c2efdc1 | 814 | return result; |
6259ec0d | 815 | } |
cdd14619 | 816 | libnsl_hidden_nolink_def (yp_maplist, GLIBC_2_0) |
6259ec0d UD |
817 | |
818 | const char * | |
819 | yperr_string (const int error) | |
820 | { | |
2c2efdc1 | 821 | const char *str; |
6259ec0d UD |
822 | switch (error) |
823 | { | |
824 | case YPERR_SUCCESS: | |
3e64e913 | 825 | str = N_("Success"); |
2c2efdc1 | 826 | break; |
6259ec0d | 827 | case YPERR_BADARGS: |
3e64e913 | 828 | str = N_("Request arguments bad"); |
2c2efdc1 | 829 | break; |
6259ec0d | 830 | case YPERR_RPC: |
3e64e913 | 831 | str = N_("RPC failure on NIS operation"); |
2c2efdc1 | 832 | break; |
6259ec0d | 833 | case YPERR_DOMAIN: |
3e64e913 | 834 | str = N_("Can't bind to server which serves this domain"); |
2c2efdc1 | 835 | break; |
6259ec0d | 836 | case YPERR_MAP: |
3e64e913 | 837 | str = N_("No such map in server's domain"); |
2c2efdc1 | 838 | break; |
6259ec0d | 839 | case YPERR_KEY: |
3e64e913 | 840 | str = N_("No such key in map"); |
2c2efdc1 | 841 | break; |
6259ec0d | 842 | case YPERR_YPERR: |
3e64e913 | 843 | str = N_("Internal NIS error"); |
2c2efdc1 | 844 | break; |
6259ec0d | 845 | case YPERR_RESRC: |
3e64e913 | 846 | str = N_("Local resource allocation failure"); |
2c2efdc1 | 847 | break; |
6259ec0d | 848 | case YPERR_NOMORE: |
3e64e913 | 849 | str = N_("No more records in map database"); |
2c2efdc1 | 850 | break; |
6259ec0d | 851 | case YPERR_PMAP: |
3e64e913 | 852 | str = N_("Can't communicate with portmapper"); |
2c2efdc1 | 853 | break; |
6259ec0d | 854 | case YPERR_YPBIND: |
3e64e913 | 855 | str = N_("Can't communicate with ypbind"); |
2c2efdc1 | 856 | break; |
6259ec0d | 857 | case YPERR_YPSERV: |
3e64e913 | 858 | str = N_("Can't communicate with ypserv"); |
2c2efdc1 | 859 | break; |
6259ec0d | 860 | case YPERR_NODOM: |
3e64e913 | 861 | str = N_("Local domain name not set"); |
2c2efdc1 | 862 | break; |
6259ec0d | 863 | case YPERR_BADDB: |
3e64e913 | 864 | str = N_("NIS map database is bad"); |
2c2efdc1 | 865 | break; |
6259ec0d | 866 | case YPERR_VERS: |
3e64e913 | 867 | str = N_("NIS client/server version mismatch - can't supply service"); |
2c2efdc1 | 868 | break; |
6259ec0d | 869 | case YPERR_ACCESS: |
3e64e913 | 870 | str = N_("Permission denied"); |
2c2efdc1 | 871 | break; |
6259ec0d | 872 | case YPERR_BUSY: |
3e64e913 | 873 | str = N_("Database is busy"); |
2c2efdc1 UD |
874 | break; |
875 | default: | |
3e64e913 | 876 | str = N_("Unknown NIS error code"); |
2c2efdc1 | 877 | break; |
6259ec0d | 878 | } |
2c2efdc1 | 879 | return _(str); |
6259ec0d | 880 | } |
1e4d83f6 | 881 | libnsl_hidden_nolink_def(yperr_string, GLIBC_2_0) |
6259ec0d | 882 | |
7440c23e UD |
883 | static const int8_t yp_2_yperr[] = |
884 | { | |
885 | #define YP2YPERR(yp, yperr) [YP_##yp - YP_VERS] = YPERR_##yperr | |
509230ca UD |
886 | YP2YPERR (TRUE, SUCCESS), |
887 | YP2YPERR (NOMORE, NOMORE), | |
888 | YP2YPERR (FALSE, YPERR), | |
889 | YP2YPERR (NOMAP, MAP), | |
890 | YP2YPERR (NODOM, DOMAIN), | |
7440c23e UD |
891 | YP2YPERR (NOKEY, KEY), |
892 | YP2YPERR (BADOP, YPERR), | |
893 | YP2YPERR (BADDB, BADDB), | |
894 | YP2YPERR (YPERR, YPERR), | |
895 | YP2YPERR (BADARGS, BADARGS), | |
896 | YP2YPERR (VERS, VERS) | |
897 | }; | |
6259ec0d UD |
898 | int |
899 | ypprot_err (const int code) | |
900 | { | |
509230ca | 901 | if (code < YP_VERS || code > YP_NOMORE) |
7440c23e | 902 | return YPERR_YPERR; |
a45e13bd | 903 | return yp_2_yperr[code - YP_VERS]; |
6259ec0d | 904 | } |
1e4d83f6 | 905 | libnsl_hidden_nolink_def (ypprot_err, GLIBC_2_0) |
6259ec0d UD |
906 | |
907 | const char * | |
908 | ypbinderr_string (const int error) | |
909 | { | |
2c2efdc1 | 910 | const char *str; |
6259ec0d UD |
911 | switch (error) |
912 | { | |
913 | case 0: | |
3e64e913 | 914 | str = N_("Success"); |
2c2efdc1 | 915 | break; |
6259ec0d | 916 | case YPBIND_ERR_ERR: |
3e64e913 | 917 | str = N_("Internal ypbind error"); |
2c2efdc1 | 918 | break; |
6259ec0d | 919 | case YPBIND_ERR_NOSERV: |
3e64e913 | 920 | str = N_("Domain not bound"); |
2c2efdc1 | 921 | break; |
6259ec0d | 922 | case YPBIND_ERR_RESC: |
3e64e913 | 923 | str = N_("System resource allocation failure"); |
2c2efdc1 | 924 | break; |
6259ec0d | 925 | default: |
3e64e913 | 926 | str = N_("Unknown ypbind error"); |
2c2efdc1 | 927 | break; |
6259ec0d | 928 | } |
2c2efdc1 | 929 | return _(str); |
6259ec0d | 930 | } |
1e4d83f6 | 931 | libnsl_hidden_nolink_def (ypbinderr_string, GLIBC_2_0) |
6259ec0d UD |
932 | |
933 | #define WINDOW 60 | |
934 | ||
935 | int | |
936 | yp_update (char *domain, char *map, unsigned ypop, | |
937 | char *key, int keylen, char *data, int datalen) | |
938 | { | |
6259ec0d UD |
939 | union |
940 | { | |
941 | ypupdate_args update_args; | |
942 | ypdelete_args delete_args; | |
943 | } | |
944 | args; | |
945 | xdrproc_t xdr_argument; | |
946 | unsigned res = 0; | |
947 | CLIENT *clnt; | |
948 | char *master; | |
949 | struct sockaddr saddr; | |
950 | char servername[MAXNETNAMELEN + 1]; | |
951 | int r; | |
952 | ||
953 | if (!domain || !map || !key || (ypop != YPOP_DELETE && !data)) | |
954 | return YPERR_BADARGS; | |
955 | ||
956 | args.update_args.mapname = map; | |
957 | args.update_args.key.yp_buf_len = keylen; | |
958 | args.update_args.key.yp_buf_val = key; | |
959 | args.update_args.datum.yp_buf_len = datalen; | |
960 | args.update_args.datum.yp_buf_val = data; | |
961 | ||
0292b0dd | 962 | if ((r = yp_master (domain, map, &master)) != YPERR_SUCCESS) |
6259ec0d UD |
963 | return r; |
964 | ||
965 | if (!host2netname (servername, master, domain)) | |
966 | { | |
967 | fputs (_("yp_update: cannot convert host to netname\n"), stderr); | |
0292b0dd | 968 | free (master); |
6259ec0d UD |
969 | return YPERR_YPERR; |
970 | } | |
971 | ||
0292b0dd UD |
972 | clnt = clnt_create (master, YPU_PROG, YPU_VERS, "tcp"); |
973 | ||
974 | /* We do not need the string anymore. */ | |
975 | free (master); | |
976 | ||
977 | if (clnt == NULL) | |
6259ec0d UD |
978 | { |
979 | clnt_pcreateerror ("yp_update: clnt_create"); | |
980 | return YPERR_RPC; | |
981 | } | |
982 | ||
983 | if (!clnt_control (clnt, CLGET_SERVER_ADDR, (char *) &saddr)) | |
984 | { | |
985 | fputs (_("yp_update: cannot get server address\n"), stderr); | |
986 | return YPERR_RPC; | |
987 | } | |
988 | ||
989 | switch (ypop) | |
990 | { | |
991 | case YPOP_CHANGE: | |
992 | case YPOP_INSERT: | |
993 | case YPOP_STORE: | |
994 | xdr_argument = (xdrproc_t) xdr_ypupdate_args; | |
995 | break; | |
996 | case YPOP_DELETE: | |
997 | xdr_argument = (xdrproc_t) xdr_ypdelete_args; | |
998 | break; | |
999 | default: | |
1000 | return YPERR_BADARGS; | |
1001 | break; | |
1002 | } | |
1003 | ||
1004 | clnt->cl_auth = authdes_create (servername, WINDOW, &saddr, NULL); | |
1005 | ||
1006 | if (clnt->cl_auth == NULL) | |
1007 | clnt->cl_auth = authunix_create_default (); | |
1008 | ||
1009 | again: | |
26dee9c4 | 1010 | r = clnt_call (clnt, ypop, xdr_argument, (caddr_t) &args, |
cc3fa755 | 1011 | (xdrproc_t) xdr_u_int, (caddr_t) &res, RPCTIMEOUT); |
6259ec0d UD |
1012 | |
1013 | if (r == RPC_AUTHERROR) | |
1014 | { | |
1015 | if (clnt->cl_auth->ah_cred.oa_flavor == AUTH_DES) | |
1016 | { | |
e975f14e | 1017 | auth_destroy (clnt->cl_auth); |
6259ec0d UD |
1018 | clnt->cl_auth = authunix_create_default (); |
1019 | goto again; | |
1020 | } | |
1021 | else | |
1022 | return YPERR_ACCESS; | |
1023 | } | |
1024 | if (r != RPC_SUCCESS) | |
1025 | { | |
1026 | clnt_perror (clnt, "yp_update: clnt_call"); | |
1027 | return YPERR_RPC; | |
1028 | } | |
1029 | return res; | |
6259ec0d | 1030 | } |
1e4d83f6 | 1031 | libnsl_hidden_nolink_def(yp_update, GLIBC_2_0) |