Commit | Line | Data |
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984263bc MD |
1 | /* |
2 | * Copyright (c) 1992/3 Theo de Raadt <deraadt@fsa.ca> | |
3 | * Copyright (c) 1998 Bill Paul <wpaul@ctr.columbia.edu> | |
4 | * All rights reserved. | |
5 | * | |
6 | * Redistribution and use in source and binary forms, with or without | |
7 | * modification, are permitted provided that the following conditions | |
8 | * are met: | |
9 | * 1. Redistributions of source code must retain the above copyright | |
10 | * notice, this list of conditions and the following disclaimer. | |
11 | * 2. Redistributions in binary form must reproduce the above copyright | |
12 | * notice, this list of conditions and the following disclaimer in the | |
13 | * documentation and/or other materials provided with the distribution. | |
14 | * 3. The name of the author may not be used to endorse or promote | |
15 | * products derived from this software without specific prior written | |
16 | * permission. | |
17 | * | |
18 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS | |
19 | * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED | |
20 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
21 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY | |
22 | * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
23 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
24 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
25 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
26 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
27 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
28 | * SUCH DAMAGE. | |
1de703da | 29 | * |
63882998 | 30 | * $FreeBSD: src/lib/libc/yp/yplib.c,v 1.51 2007/07/24 13:06:08 simon Exp $ |
984263bc MD |
31 | */ |
32 | ||
17ea2221 | 33 | #include "namespace.h" |
63882998 | 34 | #include "reentrant.h" |
984263bc MD |
35 | #include <sys/param.h> |
36 | #include <sys/types.h> | |
37 | #include <sys/socket.h> | |
984263bc | 38 | #include <sys/uio.h> |
63882998 | 39 | #include <arpa/inet.h> |
984263bc | 40 | #include <errno.h> |
2c3b1d1b | 41 | #include <fcntl.h> |
984263bc MD |
42 | #include <stdio.h> |
43 | #include <string.h> | |
44 | #include <stdlib.h> | |
45 | #include <unistd.h> | |
46 | #include <rpc/rpc.h> | |
47 | #include <rpc/xdr.h> | |
48 | #include <rpcsvc/yp.h> | |
17ea2221 | 49 | #include "un-namespace.h" |
63882998 | 50 | #include "libc_private.h" |
984263bc | 51 | |
2375287c | 52 | bool_t xdr_ypresp_all_seq(XDR *, u_long *); |
2375287c | 53 | |
a71fb5b1 JS |
54 | int (*ypresp_allfn)(unsigned long, char *, int, char *, int, void *); |
55 | ||
984263bc MD |
56 | /* |
57 | * We have to define these here due to clashes between yp_prot.h and | |
58 | * yp.h. | |
59 | */ | |
60 | ||
61 | #define YPMATCHCACHE | |
62 | ||
63 | #ifdef YPMATCHCACHE | |
64 | struct ypmatch_ent { | |
65 | char *ypc_map; | |
66 | keydat ypc_key; | |
67 | valdat ypc_val; | |
68 | time_t ypc_expire_t; | |
69 | struct ypmatch_ent *ypc_next; | |
70 | }; | |
71 | #define YPLIB_MAXCACHE 5 /* At most 5 entries */ | |
72 | #define YPLIB_EXPIRE 5 /* Expire after 5 seconds */ | |
73 | #endif | |
74 | ||
75 | struct dom_binding { | |
76 | struct dom_binding *dom_pnext; | |
77 | char dom_domain[YPMAXDOMAIN + 1]; | |
78 | struct sockaddr_in dom_server_addr; | |
79 | u_short dom_server_port; | |
80 | int dom_socket; | |
81 | CLIENT *dom_client; | |
82 | u_short dom_local_port; /* now I finally know what this is for. */ | |
83 | long dom_vers; | |
84 | #ifdef YPMATCHCACHE | |
85 | struct ypmatch_ent *cache; | |
86 | int ypmatch_cachecnt; | |
87 | #endif | |
88 | }; | |
89 | ||
2375287c | 90 | #include <rpcsvc/yp.h> |
984263bc MD |
91 | #include <rpcsvc/ypclnt.h> |
92 | ||
93 | #ifndef BINDINGDIR | |
94 | #define BINDINGDIR "/var/yp/binding" | |
95 | #endif | |
96 | #define MAX_RETRIES 20 | |
97 | ||
984263bc MD |
98 | void *ypresp_data; |
99 | ||
100 | static void _yp_unbind(struct dom_binding *); | |
101 | struct dom_binding *_ypbindlist; | |
102 | static char _yp_domain[MAXHOSTNAMELEN]; | |
63882998 PA |
103 | int _yplib_timeout = 20; |
104 | ||
105 | static mutex_t _ypmutex = MUTEX_INITIALIZER; | |
106 | #define YPLOCK() mutex_lock(&_ypmutex); | |
107 | #define YPUNLOCK() mutex_unlock(&_ypmutex); | |
984263bc MD |
108 | |
109 | #ifdef YPMATCHCACHE | |
e9c93684 HP |
110 | static void |
111 | ypmatch_cache_delete(struct dom_binding *ypdb, struct ypmatch_ent *prev, | |
112 | struct ypmatch_ent *cur) | |
984263bc MD |
113 | { |
114 | if (prev == NULL) | |
115 | ypdb->cache = cur->ypc_next; | |
116 | else | |
117 | prev->ypc_next = cur->ypc_next; | |
118 | ||
119 | free(cur->ypc_map); | |
120 | free(cur->ypc_key.keydat_val); | |
121 | free(cur->ypc_val.valdat_val); | |
122 | free(cur); | |
123 | ||
124 | ypdb->ypmatch_cachecnt--; | |
125 | ||
126 | return; | |
127 | } | |
128 | ||
e9c93684 HP |
129 | static void |
130 | ypmatch_cache_flush(struct dom_binding *ypdb) | |
984263bc MD |
131 | { |
132 | struct ypmatch_ent *n, *c = ypdb->cache; | |
133 | ||
134 | while (c != NULL) { | |
135 | n = c->ypc_next; | |
136 | ypmatch_cache_delete(ypdb, NULL, c); | |
137 | c = n; | |
138 | } | |
139 | ||
140 | return; | |
141 | } | |
142 | ||
e9c93684 HP |
143 | static void |
144 | ypmatch_cache_expire(struct dom_binding *ypdb) | |
984263bc MD |
145 | { |
146 | struct ypmatch_ent *c = ypdb->cache; | |
147 | struct ypmatch_ent *n, *p = NULL; | |
148 | time_t t; | |
149 | ||
150 | time(&t); | |
151 | ||
152 | while (c != NULL) { | |
153 | if (t >= c->ypc_expire_t) { | |
154 | n = c->ypc_next; | |
155 | ypmatch_cache_delete(ypdb, p, c); | |
156 | c = n; | |
157 | } else { | |
158 | p = c; | |
159 | c = c->ypc_next; | |
160 | } | |
161 | } | |
162 | ||
163 | return; | |
164 | } | |
165 | ||
e9c93684 HP |
166 | static void |
167 | ypmatch_cache_insert(struct dom_binding *ypdb, char *map, keydat *key, | |
168 | valdat *val) | |
984263bc MD |
169 | { |
170 | struct ypmatch_ent *new; | |
171 | ||
172 | /* Do an expire run to maybe open up a slot. */ | |
173 | if (ypdb->ypmatch_cachecnt) | |
174 | ypmatch_cache_expire(ypdb); | |
175 | ||
176 | /* | |
177 | * If there are no slots free, then force an expire of | |
178 | * the least recently used entry. | |
179 | */ | |
180 | if (ypdb->ypmatch_cachecnt >= YPLIB_MAXCACHE) { | |
181 | struct ypmatch_ent *o = NULL, *c = ypdb->cache; | |
182 | time_t oldest = 0; | |
183 | ||
184 | oldest = ~oldest; | |
185 | ||
186 | while (c != NULL) { | |
187 | if (c->ypc_expire_t < oldest) { | |
188 | oldest = c->ypc_expire_t; | |
189 | o = c; | |
190 | } | |
191 | c = c->ypc_next; | |
192 | } | |
193 | ||
194 | if (o == NULL) | |
195 | return; | |
196 | o->ypc_expire_t = 0; | |
197 | ypmatch_cache_expire(ypdb); | |
198 | } | |
199 | ||
200 | new = malloc(sizeof(struct ypmatch_ent)); | |
201 | if (new == NULL) | |
202 | return; | |
203 | ||
204 | new->ypc_map = strdup(map); | |
205 | if (new->ypc_map == NULL) { | |
206 | free(new); | |
207 | return; | |
208 | } | |
209 | new->ypc_key.keydat_val = malloc(key->keydat_len); | |
210 | if (new->ypc_key.keydat_val == NULL) { | |
211 | free(new->ypc_map); | |
212 | free(new); | |
213 | return; | |
214 | } | |
215 | new->ypc_val.valdat_val = malloc(val->valdat_len); | |
216 | if (new->ypc_val.valdat_val == NULL) { | |
217 | free(new->ypc_val.valdat_val); | |
218 | free(new->ypc_map); | |
219 | free(new); | |
220 | return; | |
221 | } | |
222 | ||
223 | new->ypc_expire_t = time(NULL) + YPLIB_EXPIRE; | |
224 | new->ypc_key.keydat_len = key->keydat_len; | |
225 | new->ypc_val.valdat_len = val->valdat_len; | |
226 | bcopy(key->keydat_val, new->ypc_key.keydat_val, key->keydat_len); | |
227 | bcopy(val->valdat_val, new->ypc_val.valdat_val, val->valdat_len); | |
228 | ||
229 | new->ypc_next = ypdb->cache; | |
230 | ypdb->cache = new; | |
231 | ||
232 | ypdb->ypmatch_cachecnt++; | |
233 | ||
234 | return; | |
235 | } | |
236 | ||
e9c93684 HP |
237 | static bool_t |
238 | ypmatch_cache_lookup(struct dom_binding *ypdb, char *map, keydat *key, | |
239 | valdat *val) | |
984263bc MD |
240 | { |
241 | struct ypmatch_ent *c = ypdb->cache; | |
242 | ||
243 | ypmatch_cache_expire(ypdb); | |
244 | ||
245 | for (c = ypdb->cache; c != NULL; c = c->ypc_next) { | |
246 | if (strcmp(map, c->ypc_map)) | |
247 | continue; | |
248 | if (key->keydat_len != c->ypc_key.keydat_len) | |
249 | continue; | |
250 | if (bcmp(key->keydat_val, c->ypc_key.keydat_val, | |
251 | key->keydat_len)) | |
252 | continue; | |
253 | } | |
254 | ||
255 | if (c == NULL) | |
256 | return(FALSE); | |
257 | ||
258 | val->valdat_len = c->ypc_val.valdat_len; | |
259 | val->valdat_val = c->ypc_val.valdat_val; | |
260 | ||
261 | return(TRUE); | |
262 | } | |
263 | #endif | |
264 | ||
265 | char * | |
e9c93684 | 266 | ypbinderr_string(int incode) |
984263bc | 267 | { |
2375287c | 268 | const char *errstr; |
984263bc MD |
269 | static char err[80]; |
270 | switch (incode) { | |
271 | case 0: | |
2375287c JS |
272 | errstr = "Success"; |
273 | break; | |
984263bc | 274 | case YPBIND_ERR_ERR: |
2375287c JS |
275 | errstr = "Internal ypbind error"; |
276 | break; | |
984263bc | 277 | case YPBIND_ERR_NOSERV: |
2375287c JS |
278 | errstr = "Domain not bound"; |
279 | break; | |
984263bc | 280 | case YPBIND_ERR_RESC: |
2375287c JS |
281 | errstr = "System resource allocation failure"; |
282 | break; | |
283 | default: | |
284 | errstr = NULL; | |
285 | break; | |
984263bc | 286 | } |
2375287c JS |
287 | if (errstr != NULL) |
288 | strlcpy(err, errstr, sizeof(err)); | |
289 | else | |
290 | snprintf(err, sizeof(err), "Unknown ypbind error: #%d\n", incode); | |
984263bc MD |
291 | return (err); |
292 | } | |
293 | ||
294 | int | |
2375287c | 295 | _yp_dobind(const char *dom, struct dom_binding **ypdb) |
984263bc MD |
296 | { |
297 | static pid_t pid = -1; | |
298 | char path[MAXPATHLEN]; | |
299 | struct dom_binding *ysd, *ysd2; | |
300 | struct ypbind_resp ypbr; | |
301 | struct timeval tv; | |
302 | struct sockaddr_in clnt_sin; | |
303 | int clnt_sock, fd; | |
304 | pid_t gpid; | |
305 | CLIENT *client; | |
2375287c JS |
306 | int new = 0; |
307 | ssize_t r; | |
984263bc MD |
308 | int retries = 0; |
309 | struct sockaddr_in check; | |
63882998 | 310 | socklen_t checklen = sizeof(struct sockaddr_in); |
984263bc MD |
311 | |
312 | /* Not allowed; bad doggie. Bad. */ | |
313 | if (strchr(dom, '/') != NULL) | |
314 | return(YPERR_BADARGS); | |
315 | ||
316 | gpid = getpid(); | |
317 | if (!(pid == -1 || pid == gpid)) { | |
318 | ysd = _ypbindlist; | |
319 | while (ysd) { | |
320 | if (ysd->dom_client != NULL) | |
321 | _yp_unbind(ysd); | |
322 | ysd2 = ysd->dom_pnext; | |
323 | free(ysd); | |
324 | ysd = ysd2; | |
325 | } | |
326 | _ypbindlist = NULL; | |
327 | } | |
328 | pid = gpid; | |
329 | ||
330 | if (ypdb != NULL) | |
331 | *ypdb = NULL; | |
332 | ||
333 | if (dom == NULL || strlen(dom) == 0) | |
334 | return (YPERR_BADARGS); | |
335 | ||
336 | for (ysd = _ypbindlist; ysd; ysd = ysd->dom_pnext) | |
337 | if (strcmp(dom, ysd->dom_domain) == 0) | |
338 | break; | |
339 | ||
340 | ||
341 | if (ysd == NULL) { | |
342 | ysd = (struct dom_binding *)malloc(sizeof *ysd); | |
343 | bzero((char *)ysd, sizeof *ysd); | |
344 | ysd->dom_socket = -1; | |
345 | ysd->dom_vers = 0; | |
346 | new = 1; | |
347 | } else { | |
348 | /* Check the socket -- may have been hosed by the caller. */ | |
17ea2221 | 349 | if (_getsockname(ysd->dom_socket, (struct sockaddr *)&check, |
984263bc MD |
350 | &checklen) == -1 || check.sin_family != AF_INET || |
351 | check.sin_port != ysd->dom_local_port) { | |
352 | /* Socket became bogus somehow... need to rebind. */ | |
353 | int save, sock; | |
354 | ||
355 | sock = ysd->dom_socket; | |
17ea2221 | 356 | save = _dup(ysd->dom_socket); |
984263bc MD |
357 | if (ysd->dom_client != NULL) |
358 | clnt_destroy(ysd->dom_client); | |
359 | ysd->dom_vers = 0; | |
360 | ysd->dom_client = NULL; | |
17ea2221 | 361 | sock = _dup2(save, sock); |
984263bc MD |
362 | _close(save); |
363 | } | |
364 | } | |
365 | ||
366 | again: | |
367 | retries++; | |
368 | if (retries > MAX_RETRIES) { | |
369 | if (new) | |
370 | free(ysd); | |
371 | return(YPERR_YPBIND); | |
372 | } | |
373 | #ifdef BINDINGDIR | |
374 | if (ysd->dom_vers == 0) { | |
375 | /* | |
376 | * We're trying to make a new binding: zorch the | |
377 | * existing handle now (if any). | |
378 | */ | |
379 | if (ysd->dom_client != NULL) { | |
380 | clnt_destroy(ysd->dom_client); | |
381 | ysd->dom_client = NULL; | |
382 | ysd->dom_socket = -1; | |
383 | } | |
384 | snprintf(path, sizeof(path), "%s/%s.%d", BINDINGDIR, dom, 2); | |
5270936c | 385 | if ((fd = _open(path, O_RDONLY | O_CLOEXEC)) == -1) { |
984263bc MD |
386 | /* no binding file, YP is dead. */ |
387 | /* Try to bring it back to life. */ | |
388 | _close(fd); | |
389 | goto skipit; | |
390 | } | |
17ea2221 | 391 | if (_flock(fd, LOCK_EX|LOCK_NB) == -1 && errno == EWOULDBLOCK) { |
984263bc MD |
392 | struct iovec iov[2]; |
393 | struct ypbind_resp ybr; | |
394 | u_short ypb_port; | |
395 | ||
396 | iov[0].iov_base = (caddr_t)&ypb_port; | |
397 | iov[0].iov_len = sizeof ypb_port; | |
398 | iov[1].iov_base = (caddr_t)&ybr; | |
399 | iov[1].iov_len = sizeof ybr; | |
400 | ||
17ea2221 | 401 | r = _readv(fd, iov, 2); |
2375287c | 402 | if (r != (ssize_t)(iov[0].iov_len + iov[1].iov_len)) { |
984263bc MD |
403 | _close(fd); |
404 | ysd->dom_vers = -1; | |
405 | goto again; | |
406 | } | |
407 | ||
408 | bzero(&ysd->dom_server_addr, sizeof ysd->dom_server_addr); | |
409 | ysd->dom_server_addr.sin_family = AF_INET; | |
410 | ysd->dom_server_addr.sin_len = sizeof(struct sockaddr_in); | |
63882998 PA |
411 | bcopy(&ybr.ypbind_resp_u.ypbind_bindinfo.ypbind_binding_addr, |
412 | &ysd->dom_server_addr.sin_addr.s_addr, | |
413 | sizeof(ysd->dom_server_addr.sin_addr.s_addr)); | |
414 | bcopy(&ybr.ypbind_resp_u.ypbind_bindinfo.ypbind_binding_port, | |
415 | &ysd->dom_server_addr.sin_port, | |
416 | sizeof(ysd->dom_server_addr.sin_port)); | |
984263bc MD |
417 | |
418 | ysd->dom_server_port = ysd->dom_server_addr.sin_port; | |
419 | _close(fd); | |
420 | goto gotit; | |
421 | } else { | |
422 | /* no lock on binding file, YP is dead. */ | |
423 | /* Try to bring it back to life. */ | |
424 | _close(fd); | |
425 | goto skipit; | |
426 | } | |
427 | } | |
428 | skipit: | |
429 | #endif | |
430 | if (ysd->dom_vers == -1 || ysd->dom_vers == 0) { | |
431 | /* | |
432 | * We're trying to make a new binding: zorch the | |
433 | * existing handle now (if any). | |
434 | */ | |
435 | if (ysd->dom_client != NULL) { | |
436 | clnt_destroy(ysd->dom_client); | |
437 | ysd->dom_client = NULL; | |
438 | ysd->dom_socket = -1; | |
439 | } | |
440 | bzero((char *)&clnt_sin, sizeof clnt_sin); | |
441 | clnt_sin.sin_family = AF_INET; | |
442 | clnt_sin.sin_addr.s_addr = htonl(INADDR_LOOPBACK); | |
443 | ||
444 | clnt_sock = RPC_ANYSOCK; | |
445 | client = clnttcp_create(&clnt_sin, YPBINDPROG, YPBINDVERS, &clnt_sock, | |
446 | 0, 0); | |
447 | if (client == NULL) { | |
448 | /* | |
449 | * These conditions indicate ypbind just isn't | |
450 | * alive -- we probably don't want to shoot our | |
451 | * mouth off in this case; instead generate error | |
452 | * messages only for really exotic problems. | |
453 | */ | |
454 | if (rpc_createerr.cf_stat != RPC_PROGNOTREGISTERED && | |
455 | (rpc_createerr.cf_stat != RPC_SYSTEMERROR && | |
456 | rpc_createerr.cf_error.re_errno == ECONNREFUSED)) | |
457 | clnt_pcreateerror("clnttcp_create"); | |
458 | if (new) | |
459 | free(ysd); | |
460 | return (YPERR_YPBIND); | |
461 | } | |
462 | ||
463 | /* | |
464 | * Check the port number -- should be < IPPORT_RESERVED. | |
465 | * If not, it's possible someone has registered a bogus | |
466 | * ypbind with the portmapper and is trying to trick us. | |
467 | */ | |
468 | if (ntohs(clnt_sin.sin_port) >= IPPORT_RESERVED) { | |
469 | if (client != NULL) | |
470 | clnt_destroy(client); | |
471 | if (new) | |
472 | free(ysd); | |
473 | return(YPERR_YPBIND); | |
474 | } | |
475 | tv.tv_sec = _yplib_timeout/2; | |
476 | tv.tv_usec = 0; | |
477 | r = clnt_call(client, YPBINDPROC_DOMAIN, | |
63882998 | 478 | (xdrproc_t)xdr_domainname, &dom, |
7048805a | 479 | (xdrproc_t)xdr_ypbind_resp, &ypbr, tv); |
984263bc MD |
480 | if (r != RPC_SUCCESS) { |
481 | clnt_destroy(client); | |
482 | ysd->dom_vers = -1; | |
483 | if (r == RPC_PROGUNAVAIL || r == RPC_PROCUNAVAIL) { | |
484 | if (new) | |
485 | free(ysd); | |
486 | return(YPERR_YPBIND); | |
487 | } | |
488 | fprintf(stderr, | |
489 | "YP: server for domain %s not responding, retrying\n", dom); | |
490 | goto again; | |
491 | } else { | |
492 | if (ypbr.ypbind_status != YPBIND_SUCC_VAL) { | |
493 | struct timespec time_to_sleep, time_remaining; | |
494 | ||
495 | clnt_destroy(client); | |
496 | ysd->dom_vers = -1; | |
497 | ||
498 | time_to_sleep.tv_sec = _yplib_timeout/2; | |
499 | time_to_sleep.tv_nsec = 0; | |
500 | _nanosleep(&time_to_sleep, | |
501 | &time_remaining); | |
502 | goto again; | |
503 | } | |
504 | } | |
505 | clnt_destroy(client); | |
506 | ||
507 | bzero((char *)&ysd->dom_server_addr, sizeof ysd->dom_server_addr); | |
508 | ysd->dom_server_addr.sin_family = AF_INET; | |
63882998 PA |
509 | bcopy(&ypbr.ypbind_resp_u.ypbind_bindinfo.ypbind_binding_port, |
510 | &ysd->dom_server_addr.sin_port, | |
511 | sizeof(ysd->dom_server_addr.sin_port)); | |
512 | bcopy(&ypbr.ypbind_resp_u.ypbind_bindinfo.ypbind_binding_addr, | |
513 | &ysd->dom_server_addr.sin_addr.s_addr, | |
514 | sizeof(ysd->dom_server_addr.sin_addr.s_addr)); | |
984263bc MD |
515 | |
516 | /* | |
517 | * We could do a reserved port check here too, but this | |
518 | * could pose compatibility problems. The local ypbind is | |
519 | * supposed to decide whether or not to trust yp servers | |
520 | * on insecure ports. For now, we trust its judgement. | |
521 | */ | |
522 | ysd->dom_server_port = | |
523 | *(u_short *)&ypbr.ypbind_resp_u.ypbind_bindinfo.ypbind_binding_port; | |
524 | gotit: | |
525 | ysd->dom_vers = YPVERS; | |
526 | strlcpy(ysd->dom_domain, dom, sizeof(ysd->dom_domain)); | |
527 | } | |
528 | ||
529 | /* Don't rebuild the connection to the server unless we have to. */ | |
530 | if (ysd->dom_client == NULL) { | |
531 | tv.tv_sec = _yplib_timeout/2; | |
532 | tv.tv_usec = 0; | |
533 | ysd->dom_socket = RPC_ANYSOCK; | |
534 | ysd->dom_client = clntudp_bufcreate(&ysd->dom_server_addr, | |
535 | YPPROG, YPVERS, tv, &ysd->dom_socket, 1280, 2304); | |
536 | if (ysd->dom_client == NULL) { | |
537 | clnt_pcreateerror("clntudp_create"); | |
538 | ysd->dom_vers = -1; | |
539 | goto again; | |
540 | } | |
541 | if (_fcntl(ysd->dom_socket, F_SETFD, 1) == -1) | |
542 | perror("fcntl: F_SETFD"); | |
543 | /* | |
544 | * We want a port number associated with this socket | |
545 | * so that we can check its authenticity later. | |
546 | */ | |
547 | checklen = sizeof(struct sockaddr_in); | |
548 | bzero((char *)&check, checklen); | |
17ea2221 | 549 | _bind(ysd->dom_socket, (struct sockaddr *)&check, checklen); |
984263bc | 550 | check.sin_family = AF_INET; |
17ea2221 | 551 | if (!_getsockname(ysd->dom_socket, |
984263bc MD |
552 | (struct sockaddr *)&check, &checklen)) { |
553 | ysd->dom_local_port = check.sin_port; | |
554 | } else { | |
555 | clnt_destroy(ysd->dom_client); | |
556 | if (new) | |
557 | free(ysd); | |
558 | return(YPERR_YPBIND); | |
559 | } | |
560 | } | |
561 | ||
562 | if (new) { | |
563 | ysd->dom_pnext = _ypbindlist; | |
564 | _ypbindlist = ysd; | |
565 | } | |
566 | ||
63882998 PA |
567 | /* |
568 | * Set low retry timeout to realistically handle UDP packet | |
569 | * loss for YP packet bursts. | |
570 | */ | |
571 | tv.tv_sec = 1; | |
572 | tv.tv_usec = 0; | |
573 | clnt_control(ysd->dom_client, CLSET_RETRY_TIMEOUT, (char*)&tv); | |
574 | ||
984263bc MD |
575 | if (ypdb != NULL) |
576 | *ypdb = ysd; | |
577 | return (0); | |
578 | } | |
579 | ||
580 | static void | |
e9c93684 | 581 | _yp_unbind(struct dom_binding *ypb) |
984263bc MD |
582 | { |
583 | struct sockaddr_in check; | |
63882998 | 584 | socklen_t checklen = sizeof(struct sockaddr_in); |
984263bc MD |
585 | |
586 | if (ypb->dom_client != NULL) { | |
587 | /* Check the socket -- may have been hosed by the caller. */ | |
17ea2221 | 588 | if (_getsockname(ypb->dom_socket, (struct sockaddr *)&check, |
984263bc MD |
589 | &checklen) == -1 || check.sin_family != AF_INET || |
590 | check.sin_port != ypb->dom_local_port) { | |
591 | int save, sock; | |
592 | ||
593 | sock = ypb->dom_socket; | |
17ea2221 | 594 | save = _dup(ypb->dom_socket); |
984263bc | 595 | clnt_destroy(ypb->dom_client); |
17ea2221 | 596 | sock = _dup2(save, sock); |
984263bc MD |
597 | _close(save); |
598 | } else | |
599 | clnt_destroy(ypb->dom_client); | |
600 | } | |
601 | ||
602 | ypb->dom_client = NULL; | |
603 | ypb->dom_socket = -1; | |
604 | ypb->dom_vers = -1; | |
605 | #ifdef YPMATCHCACHE | |
606 | ypmatch_cache_flush(ypb); | |
607 | #endif | |
608 | } | |
609 | ||
63882998 PA |
610 | static int |
611 | yp_bind_locked(char *dom) | |
612 | { | |
613 | return (_yp_dobind(dom, NULL)); | |
614 | } | |
615 | ||
984263bc | 616 | int |
e9c93684 | 617 | yp_bind(char *dom) |
984263bc | 618 | { |
63882998 PA |
619 | int r; |
620 | ||
621 | YPLOCK(); | |
622 | r = yp_bind_locked(dom); | |
623 | YPUNLOCK(); | |
624 | return (r); | |
984263bc MD |
625 | } |
626 | ||
63882998 PA |
627 | static void |
628 | yp_unbind_locked(char *dom) | |
984263bc MD |
629 | { |
630 | struct dom_binding *ypb, *ypbp; | |
631 | ||
632 | ypbp = NULL; | |
633 | for (ypb = _ypbindlist; ypb; ypb = ypb->dom_pnext) { | |
634 | if (strcmp(dom, ypb->dom_domain) == 0) { | |
635 | _yp_unbind(ypb); | |
636 | if (ypbp) | |
637 | ypbp->dom_pnext = ypb->dom_pnext; | |
638 | else | |
639 | _ypbindlist = ypb->dom_pnext; | |
640 | free(ypb); | |
641 | return; | |
642 | } | |
643 | ypbp = ypb; | |
644 | } | |
645 | return; | |
646 | } | |
647 | ||
63882998 PA |
648 | void |
649 | yp_unbind(char *dom) | |
650 | { | |
651 | YPLOCK(); | |
652 | yp_unbind_locked(dom); | |
653 | YPUNLOCK(); | |
654 | } | |
655 | ||
984263bc | 656 | int |
7048805a | 657 | yp_match(char *indomain, char *inmap, const char *inkey, int inkeylen, |
e9c93684 | 658 | char **outval, int *outvallen) |
984263bc MD |
659 | { |
660 | struct dom_binding *ysd; | |
661 | struct ypresp_val yprv; | |
662 | struct timeval tv; | |
663 | struct ypreq_key yprk; | |
664 | int r; | |
665 | ||
666 | *outval = NULL; | |
667 | *outvallen = 0; | |
668 | ||
669 | /* Sanity check */ | |
670 | ||
671 | if (inkey == NULL || !strlen(inkey) || inkeylen <= 0 || | |
672 | inmap == NULL || !strlen(inmap) || | |
673 | indomain == NULL || !strlen(indomain)) | |
674 | return (YPERR_BADARGS); | |
675 | ||
63882998 PA |
676 | YPLOCK(); |
677 | if (_yp_dobind(indomain, &ysd) != 0) { | |
678 | YPUNLOCK(); | |
984263bc | 679 | return(YPERR_DOMAIN); |
63882998 | 680 | } |
984263bc MD |
681 | |
682 | yprk.domain = indomain; | |
683 | yprk.map = inmap; | |
684 | yprk.key.keydat_val = (char *)inkey; | |
685 | yprk.key.keydat_len = inkeylen; | |
686 | ||
687 | #ifdef YPMATCHCACHE | |
688 | if (ypmatch_cache_lookup(ysd, yprk.map, &yprk.key, &yprv.val) == TRUE) { | |
689 | /* | |
690 | if (!strcmp(_yp_domain, indomain) && ypmatch_find(inmap, inkey, | |
691 | inkeylen, &yprv.val.valdat_val, &yprv.val.valdat_len)) { | |
692 | */ | |
693 | *outvallen = yprv.val.valdat_len; | |
694 | *outval = (char *)malloc(*outvallen+1); | |
695 | bcopy(yprv.val.valdat_val, *outval, *outvallen); | |
696 | (*outval)[*outvallen] = '\0'; | |
63882998 | 697 | YPUNLOCK(); |
984263bc MD |
698 | return (0); |
699 | } | |
700 | #endif | |
701 | ||
702 | again: | |
63882998 PA |
703 | if (_yp_dobind(indomain, &ysd) != 0) { |
704 | YPUNLOCK(); | |
984263bc | 705 | return (YPERR_DOMAIN); |
63882998 | 706 | } |
984263bc MD |
707 | |
708 | tv.tv_sec = _yplib_timeout; | |
709 | tv.tv_usec = 0; | |
710 | ||
711 | bzero((char *)&yprv, sizeof yprv); | |
712 | ||
713 | r = clnt_call(ysd->dom_client, YPPROC_MATCH, | |
7048805a SW |
714 | (xdrproc_t)xdr_ypreq_key, &yprk, |
715 | (xdrproc_t)xdr_ypresp_val, &yprv, tv); | |
984263bc MD |
716 | if (r != RPC_SUCCESS) { |
717 | clnt_perror(ysd->dom_client, "yp_match: clnt_call"); | |
718 | _yp_unbind(ysd); | |
719 | goto again; | |
720 | } | |
721 | ||
722 | if (!(r = ypprot_err(yprv.stat))) { | |
723 | *outvallen = yprv.val.valdat_len; | |
724 | *outval = (char *)malloc(*outvallen+1); | |
725 | bcopy(yprv.val.valdat_val, *outval, *outvallen); | |
726 | (*outval)[*outvallen] = '\0'; | |
727 | #ifdef YPMATCHCACHE | |
728 | ypmatch_cache_insert(ysd, yprk.map, &yprk.key, &yprv.val); | |
729 | #endif | |
730 | } | |
731 | ||
7048805a | 732 | xdr_free((xdrproc_t)xdr_ypresp_val, &yprv); |
63882998 | 733 | YPUNLOCK(); |
984263bc MD |
734 | return (r); |
735 | } | |
736 | ||
63882998 PA |
737 | static int |
738 | yp_get_default_domain_locked(char **domp) | |
984263bc MD |
739 | { |
740 | *domp = NULL; | |
741 | if (_yp_domain[0] == '\0') | |
742 | if (getdomainname(_yp_domain, sizeof _yp_domain)) | |
743 | return (YPERR_NODOM); | |
744 | *domp = _yp_domain; | |
745 | return (0); | |
746 | } | |
747 | ||
63882998 PA |
748 | int |
749 | yp_get_default_domain(char **domp) | |
750 | { | |
751 | int r; | |
752 | ||
753 | YPLOCK(); | |
754 | r = yp_get_default_domain_locked(domp); | |
755 | YPUNLOCK(); | |
756 | return (r); | |
757 | } | |
758 | ||
984263bc | 759 | int |
4ae574ee MD |
760 | yp_first(char *indomain, char *inmap, char **outkey, int *outkeylen, |
761 | char **outval, int *outvallen) | |
984263bc MD |
762 | { |
763 | struct ypresp_key_val yprkv; | |
764 | struct ypreq_nokey yprnk; | |
765 | struct dom_binding *ysd; | |
766 | struct timeval tv; | |
767 | int r; | |
768 | ||
769 | /* Sanity check */ | |
770 | ||
771 | if (indomain == NULL || !strlen(indomain) || | |
772 | inmap == NULL || !strlen(inmap)) | |
773 | return (YPERR_BADARGS); | |
774 | ||
775 | *outkey = *outval = NULL; | |
776 | *outkeylen = *outvallen = 0; | |
777 | ||
63882998 | 778 | YPLOCK(); |
984263bc | 779 | again: |
63882998 PA |
780 | if (_yp_dobind(indomain, &ysd) != 0) { |
781 | YPUNLOCK(); | |
984263bc | 782 | return (YPERR_DOMAIN); |
63882998 | 783 | } |
984263bc MD |
784 | |
785 | tv.tv_sec = _yplib_timeout; | |
786 | tv.tv_usec = 0; | |
787 | ||
788 | yprnk.domain = indomain; | |
789 | yprnk.map = inmap; | |
790 | bzero((char *)&yprkv, sizeof yprkv); | |
791 | ||
792 | r = clnt_call(ysd->dom_client, YPPROC_FIRST, | |
7048805a SW |
793 | (xdrproc_t)xdr_ypreq_nokey, &yprnk, |
794 | (xdrproc_t)xdr_ypresp_key_val, &yprkv, tv); | |
984263bc MD |
795 | if (r != RPC_SUCCESS) { |
796 | clnt_perror(ysd->dom_client, "yp_first: clnt_call"); | |
797 | _yp_unbind(ysd); | |
798 | goto again; | |
799 | } | |
800 | if (!(r = ypprot_err(yprkv.stat))) { | |
801 | *outkeylen = yprkv.key.keydat_len; | |
802 | *outkey = (char *)malloc(*outkeylen+1); | |
803 | bcopy(yprkv.key.keydat_val, *outkey, *outkeylen); | |
804 | (*outkey)[*outkeylen] = '\0'; | |
805 | *outvallen = yprkv.val.valdat_len; | |
806 | *outval = (char *)malloc(*outvallen+1); | |
807 | bcopy(yprkv.val.valdat_val, *outval, *outvallen); | |
808 | (*outval)[*outvallen] = '\0'; | |
809 | } | |
810 | ||
7048805a | 811 | xdr_free((xdrproc_t)xdr_ypresp_key_val, &yprkv); |
63882998 | 812 | YPUNLOCK(); |
984263bc MD |
813 | return (r); |
814 | } | |
815 | ||
816 | int | |
4ae574ee MD |
817 | yp_next(char *indomain, char *inmap, char *inkey, int inkeylen, |
818 | char **outkey, int *outkeylen, char **outval, int *outvallen) | |
984263bc MD |
819 | { |
820 | struct ypresp_key_val yprkv; | |
821 | struct ypreq_key yprk; | |
822 | struct dom_binding *ysd; | |
823 | struct timeval tv; | |
824 | int r; | |
825 | ||
826 | /* Sanity check */ | |
827 | ||
828 | if (inkey == NULL || !strlen(inkey) || inkeylen <= 0 || | |
829 | inmap == NULL || !strlen(inmap) || | |
830 | indomain == NULL || !strlen(indomain)) | |
831 | return (YPERR_BADARGS); | |
832 | ||
833 | *outkey = *outval = NULL; | |
834 | *outkeylen = *outvallen = 0; | |
835 | ||
63882998 | 836 | YPLOCK(); |
984263bc | 837 | again: |
63882998 PA |
838 | if (_yp_dobind(indomain, &ysd) != 0) { |
839 | YPUNLOCK(); | |
984263bc | 840 | return (YPERR_DOMAIN); |
63882998 | 841 | } |
984263bc MD |
842 | |
843 | tv.tv_sec = _yplib_timeout; | |
844 | tv.tv_usec = 0; | |
845 | ||
846 | yprk.domain = indomain; | |
847 | yprk.map = inmap; | |
848 | yprk.key.keydat_val = inkey; | |
849 | yprk.key.keydat_len = inkeylen; | |
850 | bzero((char *)&yprkv, sizeof yprkv); | |
851 | ||
852 | r = clnt_call(ysd->dom_client, YPPROC_NEXT, | |
7048805a SW |
853 | (xdrproc_t)xdr_ypreq_key, &yprk, |
854 | (xdrproc_t)xdr_ypresp_key_val, &yprkv, tv); | |
984263bc MD |
855 | if (r != RPC_SUCCESS) { |
856 | clnt_perror(ysd->dom_client, "yp_next: clnt_call"); | |
857 | _yp_unbind(ysd); | |
858 | goto again; | |
859 | } | |
860 | if (!(r = ypprot_err(yprkv.stat))) { | |
861 | *outkeylen = yprkv.key.keydat_len; | |
862 | *outkey = (char *)malloc(*outkeylen+1); | |
863 | bcopy(yprkv.key.keydat_val, *outkey, *outkeylen); | |
864 | (*outkey)[*outkeylen] = '\0'; | |
865 | *outvallen = yprkv.val.valdat_len; | |
866 | *outval = (char *)malloc(*outvallen+1); | |
867 | bcopy(yprkv.val.valdat_val, *outval, *outvallen); | |
868 | (*outval)[*outvallen] = '\0'; | |
869 | } | |
870 | ||
7048805a | 871 | xdr_free((xdrproc_t)xdr_ypresp_key_val, &yprkv); |
63882998 | 872 | YPUNLOCK(); |
984263bc MD |
873 | return (r); |
874 | } | |
875 | ||
876 | int | |
e9c93684 | 877 | yp_all(char *indomain, char *inmap, struct ypall_callback *incallback) |
984263bc MD |
878 | { |
879 | struct ypreq_nokey yprnk; | |
880 | struct dom_binding *ysd; | |
881 | struct timeval tv; | |
882 | struct sockaddr_in clnt_sin; | |
883 | CLIENT *clnt; | |
884 | u_long status, savstat; | |
885 | int clnt_sock; | |
886 | ||
887 | /* Sanity check */ | |
888 | ||
889 | if (indomain == NULL || !strlen(indomain) || | |
890 | inmap == NULL || !strlen(inmap)) | |
891 | return (YPERR_BADARGS); | |
892 | ||
63882998 | 893 | YPLOCK(); |
984263bc MD |
894 | again: |
895 | ||
63882998 PA |
896 | if (_yp_dobind(indomain, &ysd) != 0) { |
897 | YPUNLOCK(); | |
984263bc | 898 | return (YPERR_DOMAIN); |
63882998 | 899 | } |
984263bc MD |
900 | |
901 | tv.tv_sec = _yplib_timeout; | |
902 | tv.tv_usec = 0; | |
903 | ||
904 | /* YPPROC_ALL manufactures its own channel to ypserv using TCP */ | |
905 | ||
906 | clnt_sock = RPC_ANYSOCK; | |
907 | clnt_sin = ysd->dom_server_addr; | |
908 | clnt_sin.sin_port = 0; | |
909 | clnt = clnttcp_create(&clnt_sin, YPPROG, YPVERS, &clnt_sock, 0, 0); | |
910 | if (clnt == NULL) { | |
63882998 | 911 | YPUNLOCK(); |
984263bc MD |
912 | printf("clnttcp_create failed\n"); |
913 | return (YPERR_PMAP); | |
914 | } | |
915 | ||
916 | yprnk.domain = indomain; | |
917 | yprnk.map = inmap; | |
a71fb5b1 | 918 | ypresp_allfn = incallback->foreach; |
984263bc MD |
919 | ypresp_data = (void *)incallback->data; |
920 | ||
921 | if (clnt_call(clnt, YPPROC_ALL, | |
7048805a SW |
922 | (xdrproc_t)xdr_ypreq_nokey, &yprnk, |
923 | (xdrproc_t)xdr_ypresp_all_seq, &status, tv) != RPC_SUCCESS) { | |
984263bc MD |
924 | clnt_perror(ysd->dom_client, "yp_all: clnt_call"); |
925 | clnt_destroy(clnt); | |
926 | _yp_unbind(ysd); | |
927 | goto again; | |
928 | } | |
929 | ||
930 | clnt_destroy(clnt); | |
931 | savstat = status; | |
7048805a | 932 | xdr_free((xdrproc_t)xdr_ypresp_all_seq, &status); /* not really needed... */ |
63882998 | 933 | YPUNLOCK(); |
984263bc MD |
934 | if (savstat != YP_NOMORE) |
935 | return (ypprot_err(savstat)); | |
936 | return (0); | |
937 | } | |
938 | ||
939 | int | |
e9c93684 | 940 | yp_order(char *indomain, char *inmap, int *outorder) |
984263bc MD |
941 | { |
942 | struct dom_binding *ysd; | |
943 | struct ypresp_order ypro; | |
944 | struct ypreq_nokey yprnk; | |
945 | struct timeval tv; | |
946 | int r; | |
947 | ||
948 | /* Sanity check */ | |
949 | ||
950 | if (indomain == NULL || !strlen(indomain) || | |
951 | inmap == NULL || !strlen(inmap)) | |
952 | return (YPERR_BADARGS); | |
953 | ||
63882998 | 954 | YPLOCK(); |
984263bc | 955 | again: |
63882998 PA |
956 | if (_yp_dobind(indomain, &ysd) != 0) { |
957 | YPUNLOCK(); | |
984263bc | 958 | return (YPERR_DOMAIN); |
63882998 | 959 | } |
984263bc MD |
960 | |
961 | tv.tv_sec = _yplib_timeout; | |
962 | tv.tv_usec = 0; | |
963 | ||
964 | yprnk.domain = indomain; | |
965 | yprnk.map = inmap; | |
966 | ||
967 | bzero((char *)(char *)&ypro, sizeof ypro); | |
968 | ||
969 | r = clnt_call(ysd->dom_client, YPPROC_ORDER, | |
7048805a SW |
970 | (xdrproc_t)xdr_ypreq_nokey, &yprnk, |
971 | (xdrproc_t)xdr_ypresp_order, &ypro, tv); | |
984263bc MD |
972 | |
973 | /* | |
974 | * NIS+ in YP compat mode doesn't support the YPPROC_ORDER | |
975 | * procedure. | |
976 | */ | |
977 | if (r == RPC_PROCUNAVAIL) { | |
63882998 | 978 | YPUNLOCK(); |
984263bc MD |
979 | return(YPERR_YPERR); |
980 | } | |
981 | ||
982 | if (r != RPC_SUCCESS) { | |
983 | clnt_perror(ysd->dom_client, "yp_order: clnt_call"); | |
984 | _yp_unbind(ysd); | |
985 | goto again; | |
986 | } | |
987 | ||
988 | if (!(r = ypprot_err(ypro.stat))) { | |
989 | *outorder = ypro.ordernum; | |
990 | } | |
991 | ||
7048805a | 992 | xdr_free((xdrproc_t)xdr_ypresp_order, &ypro); |
63882998 | 993 | YPUNLOCK(); |
984263bc MD |
994 | return (r); |
995 | } | |
996 | ||
997 | int | |
e9c93684 | 998 | yp_master(char *indomain, char *inmap, char **outname) |
984263bc MD |
999 | { |
1000 | struct dom_binding *ysd; | |
1001 | struct ypresp_master yprm; | |
1002 | struct ypreq_nokey yprnk; | |
1003 | struct timeval tv; | |
1004 | int r; | |
1005 | ||
1006 | /* Sanity check */ | |
1007 | ||
1008 | if (indomain == NULL || !strlen(indomain) || | |
1009 | inmap == NULL || !strlen(inmap)) | |
1010 | return (YPERR_BADARGS); | |
63882998 | 1011 | YPLOCK(); |
984263bc | 1012 | again: |
63882998 PA |
1013 | if (_yp_dobind(indomain, &ysd) != 0) { |
1014 | YPUNLOCK(); | |
984263bc | 1015 | return (YPERR_DOMAIN); |
63882998 | 1016 | } |
984263bc MD |
1017 | |
1018 | tv.tv_sec = _yplib_timeout; | |
1019 | tv.tv_usec = 0; | |
1020 | ||
1021 | yprnk.domain = indomain; | |
1022 | yprnk.map = inmap; | |
1023 | ||
1024 | bzero((char *)&yprm, sizeof yprm); | |
1025 | ||
1026 | r = clnt_call(ysd->dom_client, YPPROC_MASTER, | |
7048805a SW |
1027 | (xdrproc_t)xdr_ypreq_nokey, &yprnk, |
1028 | (xdrproc_t)xdr_ypresp_master, &yprm, tv); | |
984263bc MD |
1029 | if (r != RPC_SUCCESS) { |
1030 | clnt_perror(ysd->dom_client, "yp_master: clnt_call"); | |
1031 | _yp_unbind(ysd); | |
1032 | goto again; | |
1033 | } | |
1034 | ||
1035 | if (!(r = ypprot_err(yprm.stat))) { | |
1036 | *outname = (char *)strdup(yprm.peer); | |
1037 | } | |
1038 | ||
7048805a | 1039 | xdr_free((xdrproc_t)xdr_ypresp_master, &yprm); |
63882998 | 1040 | YPUNLOCK(); |
984263bc MD |
1041 | return (r); |
1042 | } | |
e9c93684 | 1043 | |
984263bc | 1044 | int |
e9c93684 | 1045 | yp_maplist(char *indomain, struct ypmaplist **outmaplist) |
984263bc MD |
1046 | { |
1047 | struct dom_binding *ysd; | |
1048 | struct ypresp_maplist ypml; | |
1049 | struct timeval tv; | |
1050 | int r; | |
1051 | ||
1052 | /* Sanity check */ | |
1053 | ||
1054 | if (indomain == NULL || !strlen(indomain)) | |
1055 | return (YPERR_BADARGS); | |
1056 | ||
63882998 | 1057 | YPLOCK(); |
984263bc | 1058 | again: |
63882998 PA |
1059 | if (_yp_dobind(indomain, &ysd) != 0) { |
1060 | YPUNLOCK(); | |
984263bc | 1061 | return (YPERR_DOMAIN); |
63882998 | 1062 | } |
984263bc MD |
1063 | |
1064 | tv.tv_sec = _yplib_timeout; | |
1065 | tv.tv_usec = 0; | |
1066 | ||
1067 | bzero((char *)&ypml, sizeof ypml); | |
1068 | ||
1069 | r = clnt_call(ysd->dom_client, YPPROC_MAPLIST, | |
63882998 | 1070 | (xdrproc_t)xdr_domainname, &indomain, |
7048805a | 1071 | (xdrproc_t)xdr_ypresp_maplist, &ypml, tv); |
984263bc MD |
1072 | if (r != RPC_SUCCESS) { |
1073 | clnt_perror(ysd->dom_client, "yp_maplist: clnt_call"); | |
1074 | _yp_unbind(ysd); | |
1075 | goto again; | |
1076 | } | |
1077 | if (!(r = ypprot_err(ypml.stat))) { | |
1078 | *outmaplist = ypml.maps; | |
1079 | } | |
1080 | ||
63882998 PA |
1081 | /* NO: xdr_free((xdrproc_t)xdr_ypresp_maplist, &ypml);*/ |
1082 | YPUNLOCK(); | |
984263bc MD |
1083 | return (r); |
1084 | } | |
1085 | ||
1086 | char * | |
e9c93684 | 1087 | yperr_string(int incode) |
984263bc | 1088 | { |
2375287c | 1089 | const char *errstr; |
984263bc MD |
1090 | static char err[80]; |
1091 | ||
1092 | switch (incode) { | |
1093 | case 0: | |
fc6d0222 | 1094 | errstr = "Success"; |
2375287c | 1095 | break; |
984263bc | 1096 | case YPERR_BADARGS: |
2375287c JS |
1097 | errstr = "Request arguments bad"; |
1098 | break; | |
984263bc | 1099 | case YPERR_RPC: |
2375287c JS |
1100 | errstr = "RPC failure"; |
1101 | break; | |
984263bc | 1102 | case YPERR_DOMAIN: |
2375287c JS |
1103 | errstr = "Can't bind to server which serves this domain"; |
1104 | break; | |
984263bc | 1105 | case YPERR_MAP: |
2375287c JS |
1106 | errstr = "No such map in server's domain"; |
1107 | break; | |
984263bc | 1108 | case YPERR_KEY: |
2375287c JS |
1109 | errstr = "No such key in map"; |
1110 | break; | |
984263bc | 1111 | case YPERR_YPERR: |
2375287c JS |
1112 | errstr = "YP server error"; |
1113 | break; | |
984263bc | 1114 | case YPERR_RESRC: |
2375287c JS |
1115 | errstr = "Local resource allocation failure"; |
1116 | break; | |
984263bc | 1117 | case YPERR_NOMORE: |
2375287c JS |
1118 | errstr = "No more records in map database"; |
1119 | break; | |
984263bc | 1120 | case YPERR_PMAP: |
2375287c JS |
1121 | errstr = "Can't communicate with portmapper"; |
1122 | break; | |
984263bc | 1123 | case YPERR_YPBIND: |
2375287c JS |
1124 | errstr = "Can't communicate with ypbind"; |
1125 | break; | |
984263bc | 1126 | case YPERR_YPSERV: |
2375287c JS |
1127 | errstr = "Can't communicate with ypserv"; |
1128 | break; | |
984263bc | 1129 | case YPERR_NODOM: |
2375287c JS |
1130 | errstr = "Local domain name not set"; |
1131 | break; | |
984263bc | 1132 | case YPERR_BADDB: |
2375287c JS |
1133 | errstr = "Server data base is bad"; |
1134 | break; | |
984263bc | 1135 | case YPERR_VERS: |
2375287c JS |
1136 | errstr = "YP server version mismatch - server can't supply service."; |
1137 | break; | |
984263bc | 1138 | case YPERR_ACCESS: |
2375287c JS |
1139 | errstr = "Access violation"; |
1140 | break; | |
984263bc | 1141 | case YPERR_BUSY: |
2375287c JS |
1142 | errstr = "Database is busy"; |
1143 | break; | |
1144 | default: | |
1145 | errstr = NULL; | |
1146 | break; | |
984263bc | 1147 | } |
2375287c JS |
1148 | if (errstr != NULL) |
1149 | strlcpy(err, errstr, sizeof(err)); | |
1150 | else | |
1151 | snprintf(err, sizeof(err), "YP unknown error %d\n", incode); | |
984263bc MD |
1152 | return (err); |
1153 | } | |
1154 | ||
1155 | int | |
e9c93684 | 1156 | ypprot_err(unsigned int incode) |
984263bc MD |
1157 | { |
1158 | switch (incode) { | |
1159 | case YP_TRUE: | |
1160 | return (0); | |
1161 | case YP_FALSE: | |
1162 | return (YPERR_YPBIND); | |
1163 | case YP_NOMORE: | |
1164 | return (YPERR_NOMORE); | |
1165 | case YP_NOMAP: | |
1166 | return (YPERR_MAP); | |
1167 | case YP_NODOM: | |
1168 | return (YPERR_DOMAIN); | |
1169 | case YP_NOKEY: | |
1170 | return (YPERR_KEY); | |
1171 | case YP_BADOP: | |
1172 | return (YPERR_YPERR); | |
1173 | case YP_BADDB: | |
1174 | return (YPERR_BADDB); | |
1175 | case YP_YPERR: | |
1176 | return (YPERR_YPERR); | |
1177 | case YP_BADARGS: | |
1178 | return (YPERR_BADARGS); | |
1179 | case YP_VERS: | |
1180 | return (YPERR_VERS); | |
1181 | } | |
1182 | return (YPERR_YPERR); | |
1183 | } | |
1184 | ||
1185 | int | |
e9c93684 | 1186 | _yp_check(char **dom) |
984263bc MD |
1187 | { |
1188 | char *unused; | |
1189 | ||
63882998 | 1190 | YPLOCK(); |
984263bc | 1191 | if (_yp_domain[0]=='\0') |
63882998 PA |
1192 | if (yp_get_default_domain_locked(&unused)) { |
1193 | YPUNLOCK(); | |
984263bc | 1194 | return (0); |
63882998 | 1195 | } |
984263bc MD |
1196 | |
1197 | if (dom) | |
1198 | *dom = _yp_domain; | |
1199 | ||
63882998 PA |
1200 | if (yp_bind_locked(_yp_domain) == 0) { |
1201 | yp_unbind_locked(_yp_domain); | |
1202 | YPUNLOCK(); | |
984263bc MD |
1203 | return (1); |
1204 | } | |
63882998 | 1205 | YPUNLOCK(); |
984263bc MD |
1206 | return (0); |
1207 | } |