1 /*-
2 * Copyright (c) 1989, 1993
3 * The Regents of the University of California. All rights reserved.
4 *
5 * This code is derived from software contributed to Berkeley by
6 * Rick Macklem at The University of Guelph.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 4. Neither the name of the University nor the names of its contributors
17 * may be used to endorse or promote products derived from this software
18 * without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * SUCH DAMAGE.
31 *
32 */
33
34 #include <sys/cdefs.h>
35 __FBSDID("$FreeBSD$");
36
37 #ifndef APPLEKEXT
38 /*
39 * These functions support the macros and help fiddle mbuf chains for
40 * the nfs op functions. They do things like create the rpc header and
41 * copy data between mbuf chains and uio lists.
42 */
43 #include <fs/nfs/nfsport.h>
44
45 extern u_int32_t newnfs_true, newnfs_false;
46 extern int nfs_pubfhset;
47 extern struct nfsclienthashhead nfsclienthash[NFSCLIENTHASHSIZE];
48 extern struct nfslockhashhead nfslockhash[NFSLOCKHASHSIZE];
49 extern int nfsrv_useacl;
50 extern uid_t nfsrv_defaultuid;
51 extern gid_t nfsrv_defaultgid;
52
53 char nfs_v2pubfh[NFSX_V2FH];
54 static nfstype newnfsv2_type[9] = { NFNON, NFREG, NFDIR, NFBLK, NFCHR, NFLNK,
55 NFNON, NFCHR, NFNON };
56 extern nfstype nfsv34_type[9];
57 #endif /* !APPLEKEXT */
58
59 SYSCTL_DECL(_vfs_nfsd);
60
61 static int disable_checkutf8 = 0;
62 SYSCTL_INT(_vfs_nfsd, OID_AUTO, disable_checkutf8, CTLFLAG_RW,
63 &disable_checkutf8, 0,
64 "Disable the NFSv4 check for a UTF8 compliant name");
65
66 static char nfsrv_hexdigit(char, int *);
67
68 /*
69 * Maps errno values to nfs error numbers.
70 * Use NFSERR_IO as the catch all for ones not specifically defined in
71 * RFC 1094.
72 */
73 static u_char nfsrv_v2errmap[ELAST] = {
74 NFSERR_PERM, NFSERR_NOENT, NFSERR_IO, NFSERR_IO, NFSERR_IO,
75 NFSERR_NXIO, NFSERR_IO, NFSERR_IO, NFSERR_IO, NFSERR_IO,
76 NFSERR_IO, NFSERR_IO, NFSERR_ACCES, NFSERR_IO, NFSERR_IO,
77 NFSERR_IO, NFSERR_EXIST, NFSERR_IO, NFSERR_NODEV, NFSERR_NOTDIR,
78 NFSERR_ISDIR, NFSERR_IO, NFSERR_IO, NFSERR_IO, NFSERR_IO,
79 NFSERR_IO, NFSERR_FBIG, NFSERR_NOSPC, NFSERR_IO, NFSERR_ROFS,
80 NFSERR_IO, NFSERR_IO, NFSERR_IO, NFSERR_IO, NFSERR_IO,
81 NFSERR_IO, NFSERR_IO, NFSERR_IO, NFSERR_IO, NFSERR_IO,
82 NFSERR_IO, NFSERR_IO, NFSERR_IO, NFSERR_IO, NFSERR_IO,
83 NFSERR_IO, NFSERR_IO, NFSERR_IO, NFSERR_IO, NFSERR_IO,
84 NFSERR_IO, NFSERR_IO, NFSERR_IO, NFSERR_IO, NFSERR_IO,
85 NFSERR_IO, NFSERR_IO, NFSERR_IO, NFSERR_IO, NFSERR_IO,
86 NFSERR_IO, NFSERR_IO, NFSERR_NAMETOL, NFSERR_IO, NFSERR_IO,
87 NFSERR_NOTEMPTY, NFSERR_IO, NFSERR_IO, NFSERR_DQUOT, NFSERR_STALE,
88 NFSERR_IO, NFSERR_IO, NFSERR_IO, NFSERR_IO, NFSERR_IO,
89 NFSERR_IO, NFSERR_IO, NFSERR_IO, NFSERR_IO, NFSERR_IO,
90 NFSERR_IO,
91 };
92
93 /*
94 * Maps errno values to nfs error numbers.
95 * Although it is not obvious whether or not NFS clients really care if
96 * a returned error value is in the specified list for the procedure, the
97 * safest thing to do is filter them appropriately. For Version 2, the
98 * X/Open XNFS document is the only specification that defines error values
99 * for each RPC (The RFC simply lists all possible error values for all RPCs),
100 * so I have decided to not do this for Version 2.
101 * The first entry is the default error return and the rest are the valid
102 * errors for that RPC in increasing numeric order.
103 */
104 static short nfsv3err_null[] = {
105 0,
106 0,
107 };
108
109 static short nfsv3err_getattr[] = {
110 NFSERR_IO,
111 NFSERR_IO,
112 NFSERR_STALE,
113 NFSERR_BADHANDLE,
114 NFSERR_SERVERFAULT,
115 NFSERR_DELAY,
116 0,
117 };
118
119 static short nfsv3err_setattr[] = {
120 NFSERR_IO,
121 NFSERR_ACCES,
122 NFSERR_PERM,
123 NFSERR_IO,
124 NFSERR_INVAL,
125 NFSERR_NOSPC,
126 NFSERR_ROFS,
127 NFSERR_DQUOT,
128 NFSERR_STALE,
129 NFSERR_BADHANDLE,
130 NFSERR_NOT_SYNC,
131 NFSERR_SERVERFAULT,
132 NFSERR_DELAY,
133 0,
134 };
135
136 static short nfsv3err_lookup[] = {
137 NFSERR_IO,
138 NFSERR_NOENT,
139 NFSERR_ACCES,
140 NFSERR_NAMETOL,
141 NFSERR_IO,
142 NFSERR_NOTDIR,
143 NFSERR_STALE,
144 NFSERR_BADHANDLE,
145 NFSERR_SERVERFAULT,
146 NFSERR_DELAY,
147 0,
148 };
149
150 static short nfsv3err_access[] = {
151 NFSERR_IO,
152 NFSERR_IO,
153 NFSERR_STALE,
154 NFSERR_BADHANDLE,
155 NFSERR_SERVERFAULT,
156 NFSERR_DELAY,
157 0,
158 };
159
160 static short nfsv3err_readlink[] = {
161 NFSERR_IO,
162 NFSERR_IO,
163 NFSERR_ACCES,
164 NFSERR_INVAL,
165 NFSERR_STALE,
166 NFSERR_BADHANDLE,
167 NFSERR_NOTSUPP,
168 NFSERR_SERVERFAULT,
169 NFSERR_DELAY,
170 0,
171 };
172
173 static short nfsv3err_read[] = {
174 NFSERR_IO,
175 NFSERR_IO,
176 NFSERR_NXIO,
177 NFSERR_ACCES,
178 NFSERR_INVAL,
179 NFSERR_STALE,
180 NFSERR_BADHANDLE,
181 NFSERR_SERVERFAULT,
182 NFSERR_DELAY,
183 0,
184 };
185
186 static short nfsv3err_write[] = {
187 NFSERR_IO,
188 NFSERR_IO,
189 NFSERR_ACCES,
190 NFSERR_NOSPC,
191 NFSERR_INVAL,
192 NFSERR_FBIG,
193 NFSERR_ROFS,
194 NFSERR_DQUOT,
195 NFSERR_STALE,
196 NFSERR_BADHANDLE,
197 NFSERR_SERVERFAULT,
198 NFSERR_DELAY,
199 0,
200 };
201
202 static short nfsv3err_create[] = {
203 NFSERR_IO,
204 NFSERR_EXIST,
205 NFSERR_NAMETOL,
206 NFSERR_ACCES,
207 NFSERR_IO,
208 NFSERR_NOTDIR,
209 NFSERR_NOSPC,
210 NFSERR_ROFS,
211 NFSERR_DQUOT,
212 NFSERR_STALE,
213 NFSERR_BADHANDLE,
214 NFSERR_NOTSUPP,
215 NFSERR_SERVERFAULT,
216 NFSERR_DELAY,
217 0,
218 };
219
220 static short nfsv3err_mkdir[] = {
221 NFSERR_IO,
222 NFSERR_EXIST,
223 NFSERR_ACCES,
224 NFSERR_NAMETOL,
225 NFSERR_IO,
226 NFSERR_NOTDIR,
227 NFSERR_NOSPC,
228 NFSERR_ROFS,
229 NFSERR_DQUOT,
230 NFSERR_STALE,
231 NFSERR_BADHANDLE,
232 NFSERR_NOTSUPP,
233 NFSERR_SERVERFAULT,
234 NFSERR_DELAY,
235 0,
236 };
237
238 static short nfsv3err_symlink[] = {
239 NFSERR_IO,
240 NFSERR_ACCES,
241 NFSERR_EXIST,
242 NFSERR_NAMETOL,
243 NFSERR_NOSPC,
244 NFSERR_IO,
245 NFSERR_NOTDIR,
246 NFSERR_ROFS,
247 NFSERR_DQUOT,
248 NFSERR_STALE,
249 NFSERR_BADHANDLE,
250 NFSERR_NOTSUPP,
251 NFSERR_SERVERFAULT,
252 NFSERR_DELAY,
253 0,
254 };
255
256 static short nfsv3err_mknod[] = {
257 NFSERR_IO,
258 NFSERR_ACCES,
259 NFSERR_EXIST,
260 NFSERR_NAMETOL,
261 NFSERR_NOSPC,
262 NFSERR_IO,
263 NFSERR_NOTDIR,
264 NFSERR_ROFS,
265 NFSERR_DQUOT,
266 NFSERR_STALE,
267 NFSERR_BADHANDLE,
268 NFSERR_NOTSUPP,
269 NFSERR_SERVERFAULT,
270 NFSERR_DELAY,
271 NFSERR_BADTYPE,
272 0,
273 };
274
275 static short nfsv3err_remove[] = {
276 NFSERR_IO,
277 NFSERR_NOENT,
278 NFSERR_ACCES,
279 NFSERR_NAMETOL,
280 NFSERR_IO,
281 NFSERR_NOTDIR,
282 NFSERR_ROFS,
283 NFSERR_STALE,
284 NFSERR_BADHANDLE,
285 NFSERR_SERVERFAULT,
286 NFSERR_DELAY,
287 0,
288 };
289
290 static short nfsv3err_rmdir[] = {
291 NFSERR_IO,
292 NFSERR_NOENT,
293 NFSERR_ACCES,
294 NFSERR_NOTDIR,
295 NFSERR_NAMETOL,
296 NFSERR_IO,
297 NFSERR_EXIST,
298 NFSERR_INVAL,
299 NFSERR_ROFS,
300 NFSERR_NOTEMPTY,
301 NFSERR_STALE,
302 NFSERR_BADHANDLE,
303 NFSERR_NOTSUPP,
304 NFSERR_SERVERFAULT,
305 NFSERR_DELAY,
306 0,
307 };
308
309 static short nfsv3err_rename[] = {
310 NFSERR_IO,
311 NFSERR_NOENT,
312 NFSERR_ACCES,
313 NFSERR_EXIST,
314 NFSERR_NAMETOL,
315 NFSERR_XDEV,
316 NFSERR_IO,
317 NFSERR_NOTDIR,
318 NFSERR_ISDIR,
319 NFSERR_INVAL,
320 NFSERR_NOSPC,
321 NFSERR_ROFS,
322 NFSERR_MLINK,
323 NFSERR_NOTEMPTY,
324 NFSERR_DQUOT,
325 NFSERR_STALE,
326 NFSERR_BADHANDLE,
327 NFSERR_NOTSUPP,
328 NFSERR_SERVERFAULT,
329 NFSERR_DELAY,
330 0,
331 };
332
333 static short nfsv3err_link[] = {
334 NFSERR_IO,
335 NFSERR_ACCES,
336 NFSERR_EXIST,
337 NFSERR_NAMETOL,
338 NFSERR_IO,
339 NFSERR_XDEV,
340 NFSERR_NOTDIR,
341 NFSERR_INVAL,
342 NFSERR_NOSPC,
343 NFSERR_ROFS,
344 NFSERR_MLINK,
345 NFSERR_DQUOT,
346 NFSERR_STALE,
347 NFSERR_BADHANDLE,
348 NFSERR_NOTSUPP,
349 NFSERR_SERVERFAULT,
350 NFSERR_DELAY,
351 0,
352 };
353
354 static short nfsv3err_readdir[] = {
355 NFSERR_IO,
356 NFSERR_ACCES,
357 NFSERR_NOTDIR,
358 NFSERR_IO,
359 NFSERR_STALE,
360 NFSERR_BADHANDLE,
361 NFSERR_BAD_COOKIE,
362 NFSERR_TOOSMALL,
363 NFSERR_SERVERFAULT,
364 NFSERR_DELAY,
365 0,
366 };
367
368 static short nfsv3err_readdirplus[] = {
369 NFSERR_IO,
370 NFSERR_ACCES,
371 NFSERR_NOTDIR,
372 NFSERR_IO,
373 NFSERR_STALE,
374 NFSERR_BADHANDLE,
375 NFSERR_BAD_COOKIE,
376 NFSERR_NOTSUPP,
377 NFSERR_TOOSMALL,
378 NFSERR_SERVERFAULT,
379 NFSERR_DELAY,
380 0,
381 };
382
383 static short nfsv3err_fsstat[] = {
384 NFSERR_IO,
385 NFSERR_IO,
386 NFSERR_STALE,
387 NFSERR_BADHANDLE,
388 NFSERR_SERVERFAULT,
389 NFSERR_DELAY,
390 0,
391 };
392
393 static short nfsv3err_fsinfo[] = {
394 NFSERR_STALE,
395 NFSERR_STALE,
396 NFSERR_BADHANDLE,
397 NFSERR_SERVERFAULT,
398 NFSERR_DELAY,
399 0,
400 };
401
402 static short nfsv3err_pathconf[] = {
403 NFSERR_STALE,
404 NFSERR_STALE,
405 NFSERR_BADHANDLE,
406 NFSERR_SERVERFAULT,
407 NFSERR_DELAY,
408 0,
409 };
410
411 static short nfsv3err_commit[] = {
412 NFSERR_IO,
413 NFSERR_IO,
414 NFSERR_STALE,
415 NFSERR_BADHANDLE,
416 NFSERR_SERVERFAULT,
417 NFSERR_DELAY,
418 0,
419 };
420
421 static short *nfsrv_v3errmap[] = {
422 nfsv3err_null,
423 nfsv3err_getattr,
424 nfsv3err_setattr,
425 nfsv3err_lookup,
426 nfsv3err_access,
427 nfsv3err_readlink,
428 nfsv3err_read,
429 nfsv3err_write,
430 nfsv3err_create,
431 nfsv3err_mkdir,
432 nfsv3err_symlink,
433 nfsv3err_mknod,
434 nfsv3err_remove,
435 nfsv3err_rmdir,
436 nfsv3err_rename,
437 nfsv3err_link,
438 nfsv3err_readdir,
439 nfsv3err_readdirplus,
440 nfsv3err_fsstat,
441 nfsv3err_fsinfo,
442 nfsv3err_pathconf,
443 nfsv3err_commit,
444 };
445
446 /*
447 * And the same for V4.
448 */
449 static short nfsv4err_null[] = {
450 0,
451 0,
452 };
453
454 static short nfsv4err_access[] = {
455 NFSERR_IO,
456 NFSERR_ACCES,
457 NFSERR_BADHANDLE,
458 NFSERR_BADXDR,
459 NFSERR_DELAY,
460 NFSERR_FHEXPIRED,
461 NFSERR_INVAL,
462 NFSERR_IO,
463 NFSERR_MOVED,
464 NFSERR_NOFILEHANDLE,
465 NFSERR_RESOURCE,
466 NFSERR_SERVERFAULT,
467 NFSERR_STALE,
468 0,
469 };
470
471 static short nfsv4err_close[] = {
472 NFSERR_EXPIRED,
473 NFSERR_ADMINREVOKED,
474 NFSERR_BADHANDLE,
475 NFSERR_BADSEQID,
476 NFSERR_BADSTATEID,
477 NFSERR_BADXDR,
478 NFSERR_DELAY,
479 NFSERR_EXPIRED,
480 NFSERR_FHEXPIRED,
481 NFSERR_INVAL,
482 NFSERR_ISDIR,
483 NFSERR_LEASEMOVED,
484 NFSERR_LOCKSHELD,
485 NFSERR_MOVED,
486 NFSERR_NOFILEHANDLE,
487 NFSERR_OLDSTATEID,
488 NFSERR_RESOURCE,
489 NFSERR_SERVERFAULT,
490 NFSERR_STALE,
491 NFSERR_STALESTATEID,
492 0,
493 };
494
495 static short nfsv4err_commit[] = {
496 NFSERR_IO,
497 NFSERR_ACCES,
498 NFSERR_BADHANDLE,
499 NFSERR_BADXDR,
500 NFSERR_FHEXPIRED,
501 NFSERR_INVAL,
502 NFSERR_IO,
503 NFSERR_ISDIR,
504 NFSERR_MOVED,
505 NFSERR_NOFILEHANDLE,
506 NFSERR_RESOURCE,
507 NFSERR_ROFS,
508 NFSERR_SERVERFAULT,
509 NFSERR_STALE,
510 0,
511 };
512
513 static short nfsv4err_create[] = {
514 NFSERR_IO,
515 NFSERR_ACCES,
516 NFSERR_ATTRNOTSUPP,
517 NFSERR_BADCHAR,
518 NFSERR_BADHANDLE,
519 NFSERR_BADNAME,
520 NFSERR_BADOWNER,
521 NFSERR_BADTYPE,
522 NFSERR_BADXDR,
523 NFSERR_DELAY,
524 NFSERR_DQUOT,
525 NFSERR_EXIST,
526 NFSERR_FHEXPIRED,
527 NFSERR_INVAL,
528 NFSERR_IO,
529 NFSERR_MOVED,
530 NFSERR_NAMETOL,
531 NFSERR_NOFILEHANDLE,
532 NFSERR_NOSPC,
533 NFSERR_NOTDIR,
534 NFSERR_PERM,
535 NFSERR_RESOURCE,
536 NFSERR_ROFS,
537 NFSERR_SERVERFAULT,
538 NFSERR_STALE,
539 0,
540 };
541
542 static short nfsv4err_delegpurge[] = {
543 NFSERR_SERVERFAULT,
544 NFSERR_BADXDR,
545 NFSERR_NOTSUPP,
546 NFSERR_LEASEMOVED,
547 NFSERR_MOVED,
548 NFSERR_RESOURCE,
549 NFSERR_SERVERFAULT,
550 NFSERR_STALECLIENTID,
551 0,
552 };
553
554 static short nfsv4err_delegreturn[] = {
555 NFSERR_SERVERFAULT,
556 NFSERR_ADMINREVOKED,
557 NFSERR_BADSTATEID,
558 NFSERR_BADXDR,
559 NFSERR_EXPIRED,
560 NFSERR_INVAL,
561 NFSERR_LEASEMOVED,
562 NFSERR_MOVED,
563 NFSERR_NOFILEHANDLE,
564 NFSERR_NOTSUPP,
565 NFSERR_OLDSTATEID,
566 NFSERR_RESOURCE,
567 NFSERR_SERVERFAULT,
568 NFSERR_STALE,
569 NFSERR_STALESTATEID,
570 0,
571 };
572
573 static short nfsv4err_getattr[] = {
574 NFSERR_IO,
575 NFSERR_ACCES,
576 NFSERR_BADHANDLE,
577 NFSERR_BADXDR,
578 NFSERR_DELAY,
579 NFSERR_FHEXPIRED,
580 NFSERR_INVAL,
581 NFSERR_IO,
582 NFSERR_MOVED,
583 NFSERR_NOFILEHANDLE,
584 NFSERR_RESOURCE,
585 NFSERR_SERVERFAULT,
586 NFSERR_STALE,
587 0,
588 };
589
590 static short nfsv4err_getfh[] = {
591 NFSERR_BADHANDLE,
592 NFSERR_BADHANDLE,
593 NFSERR_FHEXPIRED,
594 NFSERR_MOVED,
595 NFSERR_NOFILEHANDLE,
596 NFSERR_RESOURCE,
597 NFSERR_SERVERFAULT,
598 NFSERR_STALE,
599 0,
600 };
601
602 static short nfsv4err_link[] = {
603 NFSERR_IO,
604 NFSERR_ACCES,
605 NFSERR_BADCHAR,
606 NFSERR_BADHANDLE,
607 NFSERR_BADNAME,
608 NFSERR_BADXDR,
609 NFSERR_DELAY,
610 NFSERR_DQUOT,
611 NFSERR_EXIST,
612 NFSERR_FHEXPIRED,
613 NFSERR_FILEOPEN,
614 NFSERR_INVAL,
615 NFSERR_IO,
616 NFSERR_ISDIR,
617 NFSERR_MLINK,
618 NFSERR_MOVED,
619 NFSERR_NAMETOL,
620 NFSERR_NOENT,
621 NFSERR_NOFILEHANDLE,
622 NFSERR_NOSPC,
623 NFSERR_NOTDIR,
624 NFSERR_NOTSUPP,
625 NFSERR_RESOURCE,
626 NFSERR_ROFS,
627 NFSERR_SERVERFAULT,
628 NFSERR_STALE,
629 NFSERR_WRONGSEC,
630 NFSERR_XDEV,
631 0,
632 };
633
634 static short nfsv4err_lock[] = {
635 NFSERR_SERVERFAULT,
636 NFSERR_ACCES,
637 NFSERR_ADMINREVOKED,
638 NFSERR_BADHANDLE,
639 NFSERR_BADRANGE,
640 NFSERR_BADSEQID,
641 NFSERR_BADSTATEID,
642 NFSERR_BADXDR,
643 NFSERR_DEADLOCK,
644 NFSERR_DELAY,
645 NFSERR_DENIED,
646 NFSERR_EXPIRED,
647 NFSERR_FHEXPIRED,
648 NFSERR_GRACE,
649 NFSERR_INVAL,
650 NFSERR_ISDIR,
651 NFSERR_LEASEMOVED,
652 NFSERR_LOCKNOTSUPP,
653 NFSERR_LOCKRANGE,
654 NFSERR_MOVED,
655 NFSERR_NOFILEHANDLE,
656 NFSERR_NOGRACE,
657 NFSERR_OLDSTATEID,
658 NFSERR_OPENMODE,
659 NFSERR_RECLAIMBAD,
660 NFSERR_RECLAIMCONFLICT,
661 NFSERR_RESOURCE,
662 NFSERR_SERVERFAULT,
663 NFSERR_STALE,
664 NFSERR_STALECLIENTID,
665 NFSERR_STALESTATEID,
666 0,
667 };
668
669 static short nfsv4err_lockt[] = {
670 NFSERR_SERVERFAULT,
671 NFSERR_ACCES,
672 NFSERR_BADHANDLE,
673 NFSERR_BADRANGE,
674 NFSERR_BADXDR,
675 NFSERR_DELAY,
676 NFSERR_DENIED,
677 NFSERR_FHEXPIRED,
678 NFSERR_GRACE,
679 NFSERR_INVAL,
680 NFSERR_ISDIR,
681 NFSERR_LEASEMOVED,
682 NFSERR_LOCKRANGE,
683 NFSERR_MOVED,
684 NFSERR_NOFILEHANDLE,
685 NFSERR_RESOURCE,
686 NFSERR_SERVERFAULT,
687 NFSERR_STALE,
688 NFSERR_STALECLIENTID,
689 0,
690 };
691
692 static short nfsv4err_locku[] = {
693 NFSERR_SERVERFAULT,
694 NFSERR_ACCES,
695 NFSERR_ADMINREVOKED,
696 NFSERR_BADHANDLE,
697 NFSERR_BADRANGE,
698 NFSERR_BADSEQID,
699 NFSERR_BADSTATEID,
700 NFSERR_BADXDR,
701 NFSERR_EXPIRED,
702 NFSERR_FHEXPIRED,
703 NFSERR_GRACE,
704 NFSERR_INVAL,
705 NFSERR_ISDIR,
706 NFSERR_LEASEMOVED,
707 NFSERR_LOCKRANGE,
708 NFSERR_MOVED,
709 NFSERR_NOFILEHANDLE,
710 NFSERR_OLDSTATEID,
711 NFSERR_RESOURCE,
712 NFSERR_SERVERFAULT,
713 NFSERR_STALE,
714 NFSERR_STALESTATEID,
715 0,
716 };
717
718 static short nfsv4err_lookup[] = {
719 NFSERR_IO,
720 NFSERR_ACCES,
721 NFSERR_BADCHAR,
722 NFSERR_BADHANDLE,
723 NFSERR_BADNAME,
724 NFSERR_BADXDR,
725 NFSERR_FHEXPIRED,
726 NFSERR_INVAL,
727 NFSERR_IO,
728 NFSERR_MOVED,
729 NFSERR_NAMETOL,
730 NFSERR_NOENT,
731 NFSERR_NOFILEHANDLE,
732 NFSERR_NOTDIR,
733 NFSERR_RESOURCE,
734 NFSERR_SERVERFAULT,
735 NFSERR_STALE,
736 NFSERR_SYMLINK,
737 NFSERR_WRONGSEC,
738 0,
739 };
740
741 static short nfsv4err_lookupp[] = {
742 NFSERR_IO,
743 NFSERR_ACCES,
744 NFSERR_BADHANDLE,
745 NFSERR_FHEXPIRED,
746 NFSERR_IO,
747 NFSERR_MOVED,
748 NFSERR_NOENT,
749 NFSERR_NOFILEHANDLE,
750 NFSERR_NOTDIR,
751 NFSERR_RESOURCE,
752 NFSERR_SERVERFAULT,
753 NFSERR_STALE,
754 0,
755 };
756
757 static short nfsv4err_nverify[] = {
758 NFSERR_IO,
759 NFSERR_ACCES,
760 NFSERR_ATTRNOTSUPP,
761 NFSERR_BADCHAR,
762 NFSERR_BADHANDLE,
763 NFSERR_BADXDR,
764 NFSERR_DELAY,
765 NFSERR_FHEXPIRED,
766 NFSERR_INVAL,
767 NFSERR_IO,
768 NFSERR_MOVED,
769 NFSERR_NOFILEHANDLE,
770 NFSERR_RESOURCE,
771 NFSERR_SAME,
772 NFSERR_SERVERFAULT,
773 NFSERR_STALE,
774 0,
775 };
776
777 static short nfsv4err_open[] = {
778 NFSERR_IO,
779 NFSERR_ACCES,
780 NFSERR_ADMINREVOKED,
781 NFSERR_ATTRNOTSUPP,
782 NFSERR_BADCHAR,
783 NFSERR_BADHANDLE,
784 NFSERR_BADNAME,
785 NFSERR_BADOWNER,
786 NFSERR_BADSEQID,
787 NFSERR_BADXDR,
788 NFSERR_DELAY,
789 NFSERR_DQUOT,
790 NFSERR_EXIST,
791 NFSERR_EXPIRED,
792 NFSERR_FHEXPIRED,
793 NFSERR_GRACE,
794 NFSERR_IO,
795 NFSERR_INVAL,
796 NFSERR_ISDIR,
797 NFSERR_LEASEMOVED,
798 NFSERR_MOVED,
799 NFSERR_NAMETOL,
800 NFSERR_NOENT,
801 NFSERR_NOFILEHANDLE,
802 NFSERR_NOGRACE,
803 NFSERR_NOSPC,
804 NFSERR_NOTDIR,
805 NFSERR_NOTSUPP,
806 NFSERR_PERM,
807 NFSERR_RECLAIMBAD,
808 NFSERR_RECLAIMCONFLICT,
809 NFSERR_RESOURCE,
810 NFSERR_ROFS,
811 NFSERR_SERVERFAULT,
812 NFSERR_SHAREDENIED,
813 NFSERR_STALE,
814 NFSERR_STALECLIENTID,
815 NFSERR_SYMLINK,
816 NFSERR_WRONGSEC,
817 0,
818 };
819
820 static short nfsv4err_openattr[] = {
821 NFSERR_IO,
822 NFSERR_ACCES,
823 NFSERR_BADHANDLE,
824 NFSERR_BADXDR,
825 NFSERR_DELAY,
826 NFSERR_DQUOT,
827 NFSERR_FHEXPIRED,
828 NFSERR_IO,
829 NFSERR_MOVED,
830 NFSERR_NOENT,
831 NFSERR_NOFILEHANDLE,
832 NFSERR_NOSPC,
833 NFSERR_NOTSUPP,
834 NFSERR_RESOURCE,
835 NFSERR_ROFS,
836 NFSERR_SERVERFAULT,
837 NFSERR_STALE,
838 0,
839 };
840
841 static short nfsv4err_openconfirm[] = {
842 NFSERR_SERVERFAULT,
843 NFSERR_ADMINREVOKED,
844 NFSERR_BADHANDLE,
845 NFSERR_BADSEQID,
846 NFSERR_BADSTATEID,
847 NFSERR_BADXDR,
848 NFSERR_EXPIRED,
849 NFSERR_FHEXPIRED,
850 NFSERR_INVAL,
851 NFSERR_ISDIR,
852 NFSERR_MOVED,
853 NFSERR_NOFILEHANDLE,
854 NFSERR_OLDSTATEID,
855 NFSERR_RESOURCE,
856 NFSERR_SERVERFAULT,
857 NFSERR_STALE,
858 NFSERR_STALESTATEID,
859 0,
860 };
861
862 static short nfsv4err_opendowngrade[] = {
863 NFSERR_SERVERFAULT,
864 NFSERR_ADMINREVOKED,
865 NFSERR_BADHANDLE,
866 NFSERR_BADSEQID,
867 NFSERR_BADSTATEID,
868 NFSERR_BADXDR,
869 NFSERR_EXPIRED,
870 NFSERR_FHEXPIRED,
871 NFSERR_INVAL,
872 NFSERR_MOVED,
873 NFSERR_NOFILEHANDLE,
874 NFSERR_OLDSTATEID,
875 NFSERR_RESOURCE,
876 NFSERR_SERVERFAULT,
877 NFSERR_STALE,
878 NFSERR_STALESTATEID,
879 0,
880 };
881
882 static short nfsv4err_putfh[] = {
883 NFSERR_SERVERFAULT,
884 NFSERR_BADHANDLE,
885 NFSERR_BADXDR,
886 NFSERR_FHEXPIRED,
887 NFSERR_MOVED,
888 NFSERR_RESOURCE,
889 NFSERR_SERVERFAULT,
890 NFSERR_STALE,
891 NFSERR_WRONGSEC,
892 0,
893 };
894
895 static short nfsv4err_putpubfh[] = {
896 NFSERR_SERVERFAULT,
897 NFSERR_RESOURCE,
898 NFSERR_SERVERFAULT,
899 NFSERR_WRONGSEC,
900 0,
901 };
902
903 static short nfsv4err_putrootfh[] = {
904 NFSERR_SERVERFAULT,
905 NFSERR_RESOURCE,
906 NFSERR_SERVERFAULT,
907 NFSERR_WRONGSEC,
908 0,
909 };
910
911 static short nfsv4err_read[] = {
912 NFSERR_IO,
913 NFSERR_ACCES,
914 NFSERR_ADMINREVOKED,
915 NFSERR_BADHANDLE,
916 NFSERR_BADSTATEID,
917 NFSERR_BADXDR,
918 NFSERR_DELAY,
919 NFSERR_EXPIRED,
920 NFSERR_FHEXPIRED,
921 NFSERR_GRACE,
922 NFSERR_IO,
923 NFSERR_INVAL,
924 NFSERR_ISDIR,
925 NFSERR_LEASEMOVED,
926 NFSERR_LOCKED,
927 NFSERR_MOVED,
928 NFSERR_NOFILEHANDLE,
929 NFSERR_NXIO,
930 NFSERR_OLDSTATEID,
931 NFSERR_OPENMODE,
932 NFSERR_RESOURCE,
933 NFSERR_SERVERFAULT,
934 NFSERR_STALE,
935 NFSERR_STALESTATEID,
936 0,
937 };
938
939 static short nfsv4err_readdir[] = {
940 NFSERR_IO,
941 NFSERR_ACCES,
942 NFSERR_BADHANDLE,
943 NFSERR_BAD_COOKIE,
944 NFSERR_BADXDR,
945 NFSERR_DELAY,
946 NFSERR_FHEXPIRED,
947 NFSERR_INVAL,
948 NFSERR_IO,
949 NFSERR_MOVED,
950 NFSERR_NOFILEHANDLE,
951 NFSERR_NOTDIR,
952 NFSERR_NOTSAME,
953 NFSERR_RESOURCE,
954 NFSERR_SERVERFAULT,
955 NFSERR_STALE,
956 NFSERR_TOOSMALL,
957 0,
958 };
959
960 static short nfsv4err_readlink[] = {
961 NFSERR_IO,
962 NFSERR_ACCES,
963 NFSERR_BADHANDLE,
964 NFSERR_DELAY,
965 NFSERR_FHEXPIRED,
966 NFSERR_INVAL,
967 NFSERR_IO,
968 NFSERR_ISDIR,
969 NFSERR_MOVED,
970 NFSERR_NOFILEHANDLE,
971 NFSERR_NOTSUPP,
972 NFSERR_RESOURCE,
973 NFSERR_SERVERFAULT,
974 NFSERR_STALE,
975 0,
976 };
977
978 static short nfsv4err_remove[] = {
979 NFSERR_IO,
980 NFSERR_ACCES,
981 NFSERR_BADCHAR,
982 NFSERR_BADHANDLE,
983 NFSERR_BADNAME,
984 NFSERR_BADXDR,
985 NFSERR_DELAY,
986 NFSERR_FHEXPIRED,
987 NFSERR_FILEOPEN,
988 NFSERR_INVAL,
989 NFSERR_IO,
990 NFSERR_MOVED,
991 NFSERR_NAMETOL,
992 NFSERR_NOENT,
993 NFSERR_NOFILEHANDLE,
994 NFSERR_NOTDIR,
995 NFSERR_NOTEMPTY,
996 NFSERR_RESOURCE,
997 NFSERR_ROFS,
998 NFSERR_SERVERFAULT,
999 NFSERR_STALE,
1000 0,
1001 };
1002
1003 static short nfsv4err_rename[] = {
1004 NFSERR_IO,
1005 NFSERR_ACCES,
1006 NFSERR_BADCHAR,
1007 NFSERR_BADHANDLE,
1008 NFSERR_BADNAME,
1009 NFSERR_BADXDR,
1010 NFSERR_DELAY,
1011 NFSERR_DQUOT,
1012 NFSERR_EXIST,
1013 NFSERR_FHEXPIRED,
1014 NFSERR_FILEOPEN,
1015 NFSERR_INVAL,
1016 NFSERR_IO,
1017 NFSERR_MOVED,
1018 NFSERR_NAMETOL,
1019 NFSERR_NOENT,
1020 NFSERR_NOFILEHANDLE,
1021 NFSERR_NOSPC,
1022 NFSERR_NOTDIR,
1023 NFSERR_NOTEMPTY,
1024 NFSERR_RESOURCE,
1025 NFSERR_ROFS,
1026 NFSERR_SERVERFAULT,
1027 NFSERR_STALE,
1028 NFSERR_WRONGSEC,
1029 NFSERR_XDEV,
1030 0,
1031 };
1032
1033 static short nfsv4err_renew[] = {
1034 NFSERR_SERVERFAULT,
1035 NFSERR_ACCES,
1036 NFSERR_ADMINREVOKED,
1037 NFSERR_BADXDR,
1038 NFSERR_CBPATHDOWN,
1039 NFSERR_EXPIRED,
1040 NFSERR_LEASEMOVED,
1041 NFSERR_RESOURCE,
1042 NFSERR_SERVERFAULT,
1043 NFSERR_STALECLIENTID,
1044 0,
1045 };
1046
1047 static short nfsv4err_restorefh[] = {
1048 NFSERR_SERVERFAULT,
1049 NFSERR_BADHANDLE,
1050 NFSERR_FHEXPIRED,
1051 NFSERR_MOVED,
1052 NFSERR_RESOURCE,
1053 NFSERR_RESTOREFH,
1054 NFSERR_SERVERFAULT,
1055 NFSERR_STALE,
1056 NFSERR_WRONGSEC,
1057 0,
1058 };
1059
1060 static short nfsv4err_savefh[] = {
1061 NFSERR_SERVERFAULT,
1062 NFSERR_BADHANDLE,
1063 NFSERR_FHEXPIRED,
1064 NFSERR_MOVED,
1065 NFSERR_NOFILEHANDLE,
1066 NFSERR_RESOURCE,
1067 NFSERR_SERVERFAULT,
1068 NFSERR_STALE,
1069 0,
1070 };
1071
1072 static short nfsv4err_secinfo[] = {
1073 NFSERR_SERVERFAULT,
1074 NFSERR_ACCES,
1075 NFSERR_BADCHAR,
1076 NFSERR_BADHANDLE,
1077 NFSERR_BADNAME,
1078 NFSERR_BADXDR,
1079 NFSERR_FHEXPIRED,
1080 NFSERR_INVAL,
1081 NFSERR_MOVED,
1082 NFSERR_NAMETOL,
1083 NFSERR_NOENT,
1084 NFSERR_NOFILEHANDLE,
1085 NFSERR_NOTDIR,
1086 NFSERR_RESOURCE,
1087 NFSERR_SERVERFAULT,
1088 NFSERR_STALE,
1089 0,
1090 };
1091
1092 static short nfsv4err_setattr[] = {
1093 NFSERR_IO,
1094 NFSERR_ACCES,
1095 NFSERR_ADMINREVOKED,
1096 NFSERR_ATTRNOTSUPP,
1097 NFSERR_BADCHAR,
1098 NFSERR_BADHANDLE,
1099 NFSERR_BADOWNER,
1100 NFSERR_BADSTATEID,
1101 NFSERR_BADXDR,
1102 NFSERR_DELAY,
1103 NFSERR_DQUOT,
1104 NFSERR_EXPIRED,
1105 NFSERR_FBIG,
1106 NFSERR_FHEXPIRED,
1107 NFSERR_GRACE,
1108 NFSERR_INVAL,
1109 NFSERR_IO,
1110 NFSERR_ISDIR,
1111 NFSERR_LOCKED,
1112 NFSERR_MOVED,
1113 NFSERR_NOFILEHANDLE,
1114 NFSERR_NOSPC,
1115 NFSERR_OLDSTATEID,
1116 NFSERR_OPENMODE,
1117 NFSERR_PERM,
1118 NFSERR_RESOURCE,
1119 NFSERR_ROFS,
1120 NFSERR_SERVERFAULT,
1121 NFSERR_STALE,
1122 NFSERR_STALESTATEID,
1123 0,
1124 };
1125
1126 static short nfsv4err_setclientid[] = {
1127 NFSERR_SERVERFAULT,
1128 NFSERR_BADXDR,
1129 NFSERR_CLIDINUSE,
1130 NFSERR_INVAL,
1131 NFSERR_RESOURCE,
1132 NFSERR_SERVERFAULT,
1133 NFSERR_WRONGSEC,
1134 0,
1135 };
1136
1137 static short nfsv4err_setclientidconfirm[] = {
1138 NFSERR_SERVERFAULT,
1139 NFSERR_BADXDR,
1140 NFSERR_CLIDINUSE,
1141 NFSERR_RESOURCE,
1142 NFSERR_SERVERFAULT,
1143 NFSERR_STALECLIENTID,
1144 0,
1145 };
1146
1147 static short nfsv4err_verify[] = {
1148 NFSERR_SERVERFAULT,
1149 NFSERR_ACCES,
1150 NFSERR_ATTRNOTSUPP,
1151 NFSERR_BADCHAR,
1152 NFSERR_BADHANDLE,
1153 NFSERR_BADXDR,
1154 NFSERR_DELAY,
1155 NFSERR_FHEXPIRED,
1156 NFSERR_INVAL,
1157 NFSERR_MOVED,
1158 NFSERR_NOFILEHANDLE,
1159 NFSERR_NOTSAME,
1160 NFSERR_RESOURCE,
1161 NFSERR_SERVERFAULT,
1162 NFSERR_STALE,
1163 0,
1164 };
1165
1166 static short nfsv4err_write[] = {
1167 NFSERR_IO,
1168 NFSERR_ACCES,
1169 NFSERR_ADMINREVOKED,
1170 NFSERR_BADHANDLE,
1171 NFSERR_BADSTATEID,
1172 NFSERR_BADXDR,
1173 NFSERR_DELAY,
1174 NFSERR_DQUOT,
1175 NFSERR_EXPIRED,
1176 NFSERR_FBIG,
1177 NFSERR_FHEXPIRED,
1178 NFSERR_GRACE,
1179 NFSERR_INVAL,
1180 NFSERR_IO,
1181 NFSERR_ISDIR,
1182 NFSERR_LEASEMOVED,
1183 NFSERR_LOCKED,
1184 NFSERR_MOVED,
1185 NFSERR_NOFILEHANDLE,
1186 NFSERR_NOSPC,
1187 NFSERR_NXIO,
1188 NFSERR_OLDSTATEID,
1189 NFSERR_OPENMODE,
1190 NFSERR_RESOURCE,
1191 NFSERR_ROFS,
1192 NFSERR_SERVERFAULT,
1193 NFSERR_STALE,
1194 NFSERR_STALESTATEID,
1195 0,
1196 };
1197
1198 static short nfsv4err_releaselockowner[] = {
1199 NFSERR_SERVERFAULT,
1200 NFSERR_ADMINREVOKED,
1201 NFSERR_BADXDR,
1202 NFSERR_EXPIRED,
1203 NFSERR_LEASEMOVED,
1204 NFSERR_LOCKSHELD,
1205 NFSERR_RESOURCE,
1206 NFSERR_SERVERFAULT,
1207 NFSERR_STALECLIENTID,
1208 0,
1209 };
1210
1211 static short *nfsrv_v4errmap[] = {
1212 nfsv4err_null,
1213 nfsv4err_null,
1214 nfsv4err_null,
1215 nfsv4err_access,
1216 nfsv4err_close,
1217 nfsv4err_commit,
1218 nfsv4err_create,
1219 nfsv4err_delegpurge,
1220 nfsv4err_delegreturn,
1221 nfsv4err_getattr,
1222 nfsv4err_getfh,
1223 nfsv4err_link,
1224 nfsv4err_lock,
1225 nfsv4err_lockt,
1226 nfsv4err_locku,
1227 nfsv4err_lookup,
1228 nfsv4err_lookupp,
1229 nfsv4err_nverify,
1230 nfsv4err_open,
1231 nfsv4err_openattr,
1232 nfsv4err_openconfirm,
1233 nfsv4err_opendowngrade,
1234 nfsv4err_putfh,
1235 nfsv4err_putpubfh,
1236 nfsv4err_putrootfh,
1237 nfsv4err_read,
1238 nfsv4err_readdir,
1239 nfsv4err_readlink,
1240 nfsv4err_remove,
1241 nfsv4err_rename,
1242 nfsv4err_renew,
1243 nfsv4err_restorefh,
1244 nfsv4err_savefh,
1245 nfsv4err_secinfo,
1246 nfsv4err_setattr,
1247 nfsv4err_setclientid,
1248 nfsv4err_setclientidconfirm,
1249 nfsv4err_verify,
1250 nfsv4err_write,
1251 nfsv4err_releaselockowner,
1252 };
1253
1254 /*
1255 * A fiddled version of m_adj() that ensures null fill to a long
1256 * boundary and only trims off the back end
1257 */
1258 APPLESTATIC void
1259 nfsrv_adj(mbuf_t mp, int len, int nul)
1260 {
1261 mbuf_t m;
1262 int count, i;
1263 char *cp;
1264
1265 /*
1266 * Trim from tail. Scan the mbuf chain,
1267 * calculating its length and finding the last mbuf.
1268 * If the adjustment only affects this mbuf, then just
1269 * adjust and return. Otherwise, rescan and truncate
1270 * after the remaining size.
1271 */
1272 count = 0;
1273 m = mp;
1274 for (;;) {
1275 count += mbuf_len(m);
1276 if (mbuf_next(m) == NULL)
1277 break;
1278 m = mbuf_next(m);
1279 }
1280 if (mbuf_len(m) > len) {
1281 mbuf_setlen(m, mbuf_len(m) - len);
1282 if (nul > 0) {
1283 cp = NFSMTOD(m, caddr_t) + mbuf_len(m) - nul;
1284 for (i = 0; i < nul; i++)
1285 *cp++ = '\0';
1286 }
1287 return;
1288 }
1289 count -= len;
1290 if (count < 0)
1291 count = 0;
1292 /*
1293 * Correct length for chain is "count".
1294 * Find the mbuf with last data, adjust its length,
1295 * and toss data from remaining mbufs on chain.
1296 */
1297 for (m = mp; m; m = mbuf_next(m)) {
1298 if (mbuf_len(m) >= count) {
1299 mbuf_setlen(m, count);
1300 if (nul > 0) {
1301 cp = NFSMTOD(m, caddr_t) + mbuf_len(m) - nul;
1302 for (i = 0; i < nul; i++)
1303 *cp++ = '\0';
1304 }
1305 break;
1306 }
1307 count -= mbuf_len(m);
1308 }
1309 for (m = mbuf_next(m); m; m = mbuf_next(m))
1310 mbuf_setlen(m, 0);
1311 }
1312
1313 /*
1314 * Make these functions instead of macros, so that the kernel text size
1315 * doesn't get too big...
1316 */
1317 APPLESTATIC void
1318 nfsrv_wcc(struct nfsrv_descript *nd, int before_ret,
1319 struct nfsvattr *before_nvap, int after_ret, struct nfsvattr *after_nvap)
1320 {
1321 u_int32_t *tl;
1322
1323 if (before_ret) {
1324 NFSM_BUILD(tl, u_int32_t *, NFSX_UNSIGNED);
1325 *tl = newnfs_false;
1326 } else {
1327 NFSM_BUILD(tl, u_int32_t *, 7 * NFSX_UNSIGNED);
1328 *tl++ = newnfs_true;
1329 txdr_hyper(before_nvap->na_size, tl);
1330 tl += 2;
1331 txdr_nfsv3time(&(before_nvap->na_mtime), tl);
1332 tl += 2;
1333 txdr_nfsv3time(&(before_nvap->na_ctime), tl);
1334 }
1335 nfsrv_postopattr(nd, after_ret, after_nvap);
1336 }
1337
1338 APPLESTATIC void
1339 nfsrv_postopattr(struct nfsrv_descript *nd, int after_ret,
1340 struct nfsvattr *after_nvap)
1341 {
1342 u_int32_t *tl;
1343
1344 NFSM_BUILD(tl, u_int32_t *, NFSX_UNSIGNED);
1345 if (after_ret)
1346 *tl = newnfs_false;
1347 else {
1348 *tl = newnfs_true;
1349 nfsrv_fillattr(nd, after_nvap);
1350 }
1351 }
1352
1353 /*
1354 * Fill in file attributes for V2 and 3. For V4, call a separate
1355 * routine that sifts through all the attribute bits.
1356 */
1357 APPLESTATIC void
1358 nfsrv_fillattr(struct nfsrv_descript *nd, struct nfsvattr *nvap)
1359 {
1360 struct nfs_fattr *fp;
1361 int fattr_size;
1362
1363 /*
1364 * Build space for the attribute structure.
1365 */
1366 if (nd->nd_flag & ND_NFSV3)
1367 fattr_size = NFSX_V3FATTR;
1368 else
1369 fattr_size = NFSX_V2FATTR;
1370 NFSM_BUILD(fp, struct nfs_fattr *, fattr_size);
1371
1372 /*
1373 * Now just fill it all in.
1374 */
1375 fp->fa_nlink = txdr_unsigned(nvap->na_nlink);
1376 fp->fa_uid = txdr_unsigned(nvap->na_uid);
1377 fp->fa_gid = txdr_unsigned(nvap->na_gid);
1378 if (nd->nd_flag & ND_NFSV3) {
1379 fp->fa_type = vtonfsv34_type(nvap->na_type);
1380 fp->fa_mode = vtonfsv34_mode(nvap->na_mode);
1381 txdr_hyper(nvap->na_size, &fp->fa3_size);
1382 txdr_hyper(nvap->na_bytes, &fp->fa3_used);
1383 fp->fa3_rdev.specdata1 = txdr_unsigned(NFSMAJOR(nvap->na_rdev));
1384 fp->fa3_rdev.specdata2 = txdr_unsigned(NFSMINOR(nvap->na_rdev));
1385 fp->fa3_fsid.nfsuquad[0] = 0;
1386 fp->fa3_fsid.nfsuquad[1] = txdr_unsigned(nvap->na_fsid);
1387 fp->fa3_fileid.nfsuquad[0] = 0;
1388 fp->fa3_fileid.nfsuquad[1] = txdr_unsigned(nvap->na_fileid);
1389 txdr_nfsv3time(&nvap->na_atime, &fp->fa3_atime);
1390 txdr_nfsv3time(&nvap->na_mtime, &fp->fa3_mtime);
1391 txdr_nfsv3time(&nvap->na_ctime, &fp->fa3_ctime);
1392 } else {
1393 fp->fa_type = vtonfsv2_type(nvap->na_type);
1394 fp->fa_mode = vtonfsv2_mode(nvap->na_type, nvap->na_mode);
1395 fp->fa2_size = txdr_unsigned(nvap->na_size);
1396 fp->fa2_blocksize = txdr_unsigned(nvap->na_blocksize);
1397 if (nvap->na_type == VFIFO)
1398 fp->fa2_rdev = 0xffffffff;
1399 else
1400 fp->fa2_rdev = txdr_unsigned(nvap->na_rdev);
1401 fp->fa2_blocks = txdr_unsigned(nvap->na_bytes / NFS_FABLKSIZE);
1402 fp->fa2_fsid = txdr_unsigned(nvap->na_fsid);
1403 fp->fa2_fileid = txdr_unsigned(nvap->na_fileid);
1404 txdr_nfsv2time(&nvap->na_atime, &fp->fa2_atime);
1405 txdr_nfsv2time(&nvap->na_mtime, &fp->fa2_mtime);
1406 txdr_nfsv2time(&nvap->na_ctime, &fp->fa2_ctime);
1407 }
1408 }
1409
1410 /*
1411 * This function gets a file handle out of an mbuf list.
1412 * It returns 0 for success, EBADRPC otherwise.
1413 * If sets the third flagp argument to 1 if the file handle is
1414 * the public file handle.
1415 * For NFSv4, if the length is incorrect, set nd_repstat == NFSERR_BADHANDLE
1416 */
1417 APPLESTATIC int
1418 nfsrv_mtofh(struct nfsrv_descript *nd, struct nfsrvfh *fhp)
1419 {
1420 u_int32_t *tl;
1421 int error = 0, len, copylen;
1422
1423 if (nd->nd_flag & (ND_NFSV3 | ND_NFSV4)) {
1424 NFSM_DISSECT(tl, u_int32_t *, NFSX_UNSIGNED);
1425 len = fxdr_unsigned(int, *tl);
1426 if (len == 0 && nfs_pubfhset && (nd->nd_flag & ND_NFSV3) &&
1427 nd->nd_procnum == NFSPROC_LOOKUP) {
1428 nd->nd_flag |= ND_PUBLOOKUP;
1429 goto nfsmout;
1430 }
1431 if (len < NFSRV_MINFH || len > NFSRV_MAXFH) {
1432 if (nd->nd_flag & ND_NFSV4) {
1433 if (len > 0 && len <= NFSX_V4FHMAX) {
1434 error = nfsm_advance(nd, NFSM_RNDUP(len), -1);
1435 if (error)
1436 goto nfsmout;
1437 nd->nd_repstat = NFSERR_BADHANDLE;
1438 goto nfsmout;
1439 } else {
1440 error = EBADRPC;
1441 goto nfsmout;
1442 }
1443 } else {
1444 error = EBADRPC;
1445 goto nfsmout;
1446 }
1447 }
1448 copylen = len;
1449 } else {
1450 /*
1451 * For NFSv2, the file handle is always 32 bytes on the
1452 * wire, but this server only cares about the first
1453 * NFSRV_MAXFH bytes.
1454 */
1455 len = NFSX_V2FH;
1456 copylen = NFSRV_MAXFH;
1457 }
1458 NFSM_DISSECT(tl, u_int32_t *, len);
1459 if ((nd->nd_flag & ND_NFSV2) && nfs_pubfhset &&
1460 nd->nd_procnum == NFSPROC_LOOKUP &&
1461 !NFSBCMP((caddr_t)tl, nfs_v2pubfh, NFSX_V2FH)) {
1462 nd->nd_flag |= ND_PUBLOOKUP;
1463 goto nfsmout;
1464 }
1465 NFSBCOPY(tl, (caddr_t)fhp->nfsrvfh_data, copylen);
1466 fhp->nfsrvfh_len = copylen;
1467 nfsmout:
1468 NFSEXITCODE2(error, nd);
1469 return (error);
1470 }
1471
1472 /*
1473 * Map errnos to NFS error numbers. For Version 3 and 4 also filter out error
1474 * numbers not specified for the associated procedure.
1475 * NFSPROC_NOOP is a special case, where the high order bits of nd_repstat
1476 * should be cleared. NFSPROC_NOOP is used to return errors when a valid
1477 * RPC procedure is not involved.
1478 * Returns the error number in XDR.
1479 */
1480 APPLESTATIC int
1481 nfsd_errmap(struct nfsrv_descript *nd)
1482 {
1483 short *defaulterrp, *errp;
1484
1485 if (!nd->nd_repstat)
1486 return (0);
1487 if (nd->nd_flag & (ND_NFSV3 | ND_NFSV4)) {
1488 if (nd->nd_procnum == NFSPROC_NOOP)
1489 return (txdr_unsigned(nd->nd_repstat & 0xffff));
1490 if (nd->nd_flag & ND_NFSV3)
1491 errp = defaulterrp = nfsrv_v3errmap[nd->nd_procnum];
1492 else if (nd->nd_repstat == EBADRPC)
1493 return (txdr_unsigned(NFSERR_BADXDR));
1494 else if (nd->nd_repstat == NFSERR_MINORVERMISMATCH ||
1495 nd->nd_repstat == NFSERR_OPILLEGAL)
1496 return (txdr_unsigned(nd->nd_repstat));
1497 else
1498 errp = defaulterrp = nfsrv_v4errmap[nd->nd_procnum];
1499 while (*++errp)
1500 if (*errp == nd->nd_repstat)
1501 return (txdr_unsigned(nd->nd_repstat));
1502 return (txdr_unsigned(*defaulterrp));
1503 }
1504 if (nd->nd_repstat <= ELAST)
1505 return (txdr_unsigned(nfsrv_v2errmap[nd->nd_repstat - 1]));
1506 return (txdr_unsigned(NFSERR_IO));
1507 }
1508
1509 /*
1510 * Check to see if setting a uid/gid is permitted when creating a new
1511 * file object. (Called when uid and/or gid is specified in the
1512 * settable attributes for V4.
1513 */
1514 APPLESTATIC int
1515 nfsrv_checkuidgid(struct nfsrv_descript *nd, struct nfsvattr *nvap)
1516 {
1517 int error = 0;
1518
1519 /*
1520 * If not setting either uid nor gid, it's OK.
1521 */
1522 if (NFSVNO_NOTSETUID(nvap) && NFSVNO_NOTSETGID(nvap))
1523 goto out;
1524 if ((NFSVNO_ISSETUID(nvap) && nvap->na_uid == nfsrv_defaultuid)
1525 || (NFSVNO_ISSETGID(nvap) && nvap->na_gid == nfsrv_defaultgid)) {
1526 error = NFSERR_BADOWNER;
1527 goto out;
1528 }
1529 if (nd->nd_cred->cr_uid == 0)
1530 goto out;
1531 if ((NFSVNO_ISSETUID(nvap) && nvap->na_uid != nd->nd_cred->cr_uid) ||
1532 (NFSVNO_ISSETGID(nvap) && nvap->na_gid != nd->nd_cred->cr_gid &&
1533 !groupmember(nvap->na_gid, nd->nd_cred)))
1534 error = NFSERR_PERM;
1535
1536 out:
1537 NFSEXITCODE2(error, nd);
1538 return (error);
1539 }
1540
1541 /*
1542 * and this routine fixes up the settable attributes for V4 if allowed
1543 * by nfsrv_checkuidgid().
1544 */
1545 APPLESTATIC void
1546 nfsrv_fixattr(struct nfsrv_descript *nd, vnode_t vp,
1547 struct nfsvattr *nvap, NFSACL_T *aclp, NFSPROC_T *p, nfsattrbit_t *attrbitp,
1548 struct nfsexstuff *exp)
1549 {
1550 int change = 0;
1551 struct nfsvattr nva;
1552 uid_t tuid;
1553 int error;
1554 nfsattrbit_t nattrbits;
1555
1556 /*
1557 * Maybe this should be done for V2 and 3 but it never has been
1558 * and nobody seems to be upset, so I think it's best not to change
1559 * the V2 and 3 semantics.
1560 */
1561 if ((nd->nd_flag & ND_NFSV4) == 0)
1562 goto out;
1563 NFSVNO_ATTRINIT(&nva);
1564 NFSZERO_ATTRBIT(&nattrbits);
1565 tuid = nd->nd_cred->cr_uid;
1566 if (NFSISSET_ATTRBIT(attrbitp, NFSATTRBIT_OWNER) &&
1567 NFSVNO_ISSETUID(nvap) &&
1568 nvap->na_uid != nd->nd_cred->cr_uid) {
1569 if (nd->nd_cred->cr_uid == 0) {
1570 nva.na_uid = nvap->na_uid;
1571 change++;
1572 NFSSETBIT_ATTRBIT(&nattrbits, NFSATTRBIT_OWNER);
1573 } else {
1574 NFSCLRBIT_ATTRBIT(attrbitp, NFSATTRBIT_OWNER);
1575 }
1576 }
1577 if (NFSISSET_ATTRBIT(attrbitp, NFSATTRBIT_TIMEACCESSSET) &&
1578 NFSVNO_ISSETATIME(nvap)) {
1579 nva.na_atime = nvap->na_atime;
1580 change++;
1581 NFSSETBIT_ATTRBIT(&nattrbits, NFSATTRBIT_TIMEACCESSSET);
1582 }
1583 if (NFSISSET_ATTRBIT(attrbitp, NFSATTRBIT_TIMEMODIFYSET) &&
1584 NFSVNO_ISSETMTIME(nvap)) {
1585 nva.na_mtime = nvap->na_mtime;
1586 change++;
1587 NFSSETBIT_ATTRBIT(&nattrbits, NFSATTRBIT_TIMEMODIFYSET);
1588 }
1589 if (NFSISSET_ATTRBIT(attrbitp, NFSATTRBIT_OWNERGROUP) &&
1590 NFSVNO_ISSETGID(nvap)) {
1591 if (nvap->na_gid == nd->nd_cred->cr_gid ||
1592 groupmember(nvap->na_gid, nd->nd_cred)) {
1593 nd->nd_cred->cr_uid = 0;
1594 nva.na_gid = nvap->na_gid;
1595 change++;
1596 NFSSETBIT_ATTRBIT(&nattrbits, NFSATTRBIT_OWNERGROUP);
1597 } else {
1598 NFSCLRBIT_ATTRBIT(attrbitp, NFSATTRBIT_OWNERGROUP);
1599 }
1600 }
1601 if (change) {
1602 error = nfsvno_setattr(vp, &nva, nd->nd_cred, p, exp);
1603 if (error) {
1604 NFSCLRALL_ATTRBIT(attrbitp, &nattrbits);
1605 }
1606 }
1607 if (NFSISSET_ATTRBIT(attrbitp, NFSATTRBIT_SIZE) &&
1608 NFSVNO_ISSETSIZE(nvap) && nvap->na_size != (u_quad_t)0) {
1609 NFSCLRBIT_ATTRBIT(attrbitp, NFSATTRBIT_SIZE);
1610 }
1611 #ifdef NFS4_ACL_EXTATTR_NAME
1612 if (NFSISSET_ATTRBIT(attrbitp, NFSATTRBIT_ACL) &&
1613 nfsrv_useacl != 0 && aclp != NULL) {
1614 if (aclp->acl_cnt > 0) {
1615 error = nfsrv_setacl(vp, aclp, nd->nd_cred, p);
1616 if (error) {
1617 NFSCLRBIT_ATTRBIT(attrbitp, NFSATTRBIT_ACL);
1618 }
1619 }
1620 } else
1621 #endif
1622 NFSCLRBIT_ATTRBIT(attrbitp, NFSATTRBIT_ACL);
1623 nd->nd_cred->cr_uid = tuid;
1624
1625 out:
1626 NFSEXITCODE2(0, nd);
1627 }
1628
1629 /*
1630 * Translate an ASCII hex digit to it's binary value. Return -1 if the
1631 * char isn't a hex digit.
1632 */
1633 static char
1634 nfsrv_hexdigit(char c, int *err)
1635 {
1636
1637 *err = 0;
1638 if (c >= '' && c <= '9')
1639 return (c - '');
1640 if (c >= 'a' && c <= 'f')
1641 return (c - 'a' + ((char)10));
1642 if (c >= 'A' && c <= 'F')
1643 return (c - 'A' + ((char)10));
1644 /* Not valid ! */
1645 *err = 1;
1646 return (1); /* BOGUS */
1647 }
1648
1649 /*
1650 * Check to see if NFSERR_MOVED can be returned for this op. Return 1 iff
1651 * it can be.
1652 */
1653 APPLESTATIC int
1654 nfsrv_errmoved(int op)
1655 {
1656 short *errp;
1657
1658 errp = nfsrv_v4errmap[op];
1659 while (*errp != 0) {
1660 if (*errp == NFSERR_MOVED)
1661 return (1);
1662 errp++;
1663 }
1664 return (0);
1665 }
1666
1667 /*
1668 * Fill in attributes for a Referral.
1669 * (Return the number of bytes of XDR created.)
1670 */
1671 APPLESTATIC int
1672 nfsrv_putreferralattr(struct nfsrv_descript *nd, nfsattrbit_t *retbitp,
1673 struct nfsreferral *refp, int getattr, int *reterrp)
1674 {
1675 u_int32_t *tl, *retnump;
1676 u_char *cp, *cp2;
1677 int prefixnum, retnum = 0, i, len, bitpos, rderrbit = 0, nonrefbit = 0;
1678 int fslocationsbit = 0;
1679 nfsattrbit_t tmpbits, refbits;
1680
1681 NFSREFERRAL_ATTRBIT(&refbits);
1682 if (getattr)
1683 NFSCLRBIT_ATTRBIT(&refbits, NFSATTRBIT_RDATTRERROR);
1684 else if (NFSISSET_ATTRBIT(retbitp, NFSATTRBIT_RDATTRERROR))
1685 rderrbit = 1;
1686 if (NFSISSET_ATTRBIT(retbitp, NFSATTRBIT_FSLOCATIONS))
1687 fslocationsbit = 1;
1688
1689 /*
1690 * Check for the case where unsupported referral attributes are
1691 * requested.
1692 */
1693 NFSSET_ATTRBIT(&tmpbits, retbitp);
1694 NFSCLRALL_ATTRBIT(&tmpbits, &refbits);
1695 if (NFSNONZERO_ATTRBIT(&tmpbits))
1696 nonrefbit = 1;
1697
1698 if (nonrefbit && !fslocationsbit && (getattr || !rderrbit)) {
1699 *reterrp = NFSERR_MOVED;
1700 return (0);
1701 }
1702
1703 /*
1704 * Now we can fill in the attributes.
1705 */
1706 NFSSET_ATTRBIT(&tmpbits, retbitp);
1707 NFSCLRNOT_ATTRBIT(&tmpbits, &refbits);
1708
1709 /*
1710 * Put out the attribute bitmap for the ones being filled in
1711 * and get the field for the number of attributes returned.
1712 */
1713 prefixnum = nfsrv_putattrbit(nd, &tmpbits);
1714 NFSM_BUILD(retnump, u_int32_t *, NFSX_UNSIGNED);
1715 prefixnum += NFSX_UNSIGNED;
1716
1717 /*
1718 * Now, loop around filling in the attributes for each bit set.
1719 */
1720 for (bitpos = 0; bitpos < NFSATTRBIT_MAX; bitpos++) {
1721 if (NFSISSET_ATTRBIT(&tmpbits, bitpos)) {
1722 switch (bitpos) {
1723 case NFSATTRBIT_TYPE:
1724 NFSM_BUILD(tl, u_int32_t *, NFSX_UNSIGNED);
1725 *tl = txdr_unsigned(NFDIR);
1726 retnum += NFSX_UNSIGNED;
1727 break;
1728 case NFSATTRBIT_FSID:
1729 NFSM_BUILD(tl, u_int32_t *, NFSX_V4FSID);
1730 *tl++ = 0;
1731 *tl++ = txdr_unsigned(NFSV4ROOT_FSID0);
1732 *tl++ = 0;
1733 *tl = txdr_unsigned(NFSV4ROOT_REFERRAL);
1734 retnum += NFSX_V4FSID;
1735 break;
1736 case NFSATTRBIT_RDATTRERROR:
1737 NFSM_BUILD(tl, u_int32_t *, NFSX_UNSIGNED);
1738 if (nonrefbit)
1739 *tl = txdr_unsigned(NFSERR_MOVED);
1740 else
1741 *tl = 0;
1742 retnum += NFSX_UNSIGNED;
1743 break;
1744 case NFSATTRBIT_FSLOCATIONS:
1745 retnum += nfsm_strtom(nd, "/", 1);
1746 NFSM_BUILD(tl, u_int32_t *, NFSX_UNSIGNED);
1747 *tl = txdr_unsigned(refp->nfr_srvcnt);
1748 retnum += NFSX_UNSIGNED;
1749 cp = refp->nfr_srvlist;
1750 for (i = 0; i < refp->nfr_srvcnt; i++) {
1751 NFSM_BUILD(tl, u_int32_t *, NFSX_UNSIGNED);
1752 *tl = txdr_unsigned(1);
1753 retnum += NFSX_UNSIGNED;
1754 cp2 = STRCHR(cp, ':');
1755 if (cp2 != NULL)
1756 len = cp2 - cp;
1757 else
1758 len = 1;
1759 retnum += nfsm_strtom(nd, cp, len);
1760 if (cp2 != NULL)
1761 cp = cp2 + 1;
1762 cp2 = STRCHR(cp, ',');
1763 if (cp2 != NULL)
1764 len = cp2 - cp;
1765 else
1766 len = strlen(cp);
1767 retnum += nfsm_strtom(nd, cp, len);
1768 if (cp2 != NULL)
1769 cp = cp2 + 1;
1770 }
1771 break;
1772 case NFSATTRBIT_MOUNTEDONFILEID:
1773 NFSM_BUILD(tl, u_int32_t *, NFSX_HYPER);
1774 *tl++ = 0;
1775 *tl = txdr_unsigned(refp->nfr_dfileno);
1776 retnum += NFSX_HYPER;
1777 break;
1778 default:
1779 printf("EEK! Bad V4 refattr bitpos=%d\n", bitpos);
1780 };
1781 }
1782 }
1783 *retnump = txdr_unsigned(retnum);
1784 return (retnum + prefixnum);
1785 }
1786
1787 /*
1788 * Parse a file name out of a request.
1789 */
1790 APPLESTATIC int
1791 nfsrv_parsename(struct nfsrv_descript *nd, char *bufp, u_long *hashp,
1792 NFSPATHLEN_T *outlenp)
1793 {
1794 char *fromcp, *tocp, val = '\0';
1795 mbuf_t md;
1796 int i;
1797 int rem, len, error = 0, pubtype = 0, outlen = 0, percent = 0;
1798 char digit;
1799 u_int32_t *tl;
1800 u_long hash = 0;
1801
1802 if (hashp != NULL)
1803 *hashp = 0;
1804 tocp = bufp;
1805 /*
1806 * For V4, check for lookup parent.
1807 * Otherwise, get the component name.
1808 */
1809 if ((nd->nd_flag & ND_NFSV4) && nd->nd_procnum == NFSV4OP_LOOKUPP) {
1810 *tocp++ = '.';
1811 hash += ((u_char)'.');
1812 *tocp++ = '.';
1813 hash += ((u_char)'.');
1814 outlen = 2;
1815 } else {
1816 /*
1817 * First, get the name length.
1818 */
1819 NFSM_DISSECT(tl, u_int32_t *, NFSX_UNSIGNED);
1820 len = fxdr_unsigned(int, *tl);
1821 if (len > NFS_MAXNAMLEN) {
1822 nd->nd_repstat = NFSERR_NAMETOL;
1823 error = 0;
1824 goto nfsmout;
1825 } else if (len <= 0) {
1826 nd->nd_repstat = NFSERR_INVAL;
1827 error = 0;
1828 goto nfsmout;
1829 }
1830
1831 /*
1832 * Now, copy the component name into the buffer.
1833 */
1834 fromcp = nd->nd_dpos;
1835 md = nd->nd_md;
1836 rem = NFSMTOD(md, caddr_t) + mbuf_len(md) - fromcp;
1837 for (i = 0; i < len; i++) {
1838 while (rem == 0) {
1839 md = mbuf_next(md);
1840 if (md == NULL) {
1841 error = EBADRPC;
1842 goto nfsmout;
1843 }
1844 fromcp = NFSMTOD(md, caddr_t);
1845 rem = mbuf_len(md);
1846 }
1847 if (*fromcp == '\0') {
1848 nd->nd_repstat = EACCES;
1849 error = 0;
1850 goto nfsmout;
1851 }
1852 /*
1853 * For lookups on the public filehandle, do some special
1854 * processing on the name. (The public file handle is the
1855 * root of the public file system for this server.)
1856 */
1857 if (nd->nd_flag & ND_PUBLOOKUP) {
1858 /*
1859 * If the first char is ASCII, it is a canonical
1860 * path, otherwise it is a native path. (RFC2054
1861 * doesn't actually state what it is if the first
1862 * char isn't ASCII or 0x80, so I assume native.)
1863 * pubtype == 1 -> native path
1864 * pubtype == 2 -> canonical path
1865 */
1866 if (i == 0) {
1867 if (*fromcp & 0x80) {
1868 /*
1869 * Since RFC2054 doesn't indicate
1870 * that a native path of just 0x80
1871 * isn't allowed, I'll replace the
1872 * 0x80 with '/' instead of just
1873 * throwing it away.
1874 */
1875 *fromcp = '/';
1876 pubtype = 1;
1877 } else {
1878 pubtype = 2;
1879 }
1880 }
1881 /*
1882 * '/' only allowed in a native path
1883 */
1884 if (*fromcp == '/' && pubtype != 1) {
1885 nd->nd_repstat = EACCES;
1886 error = 0;
1887 goto nfsmout;
1888 }
1889
1890 /*
1891 * For the special case of 2 hex digits after a
1892 * '%' in an absolute path, calculate the value.
1893 * percent == 1 -> indicates "get first hex digit"
1894 * percent == 2 -> indicates "get second hex digit"
1895 */
1896 if (percent > 0) {
1897 digit = nfsrv_hexdigit(*fromcp, &error);
1898 if (error) {
1899 nd->nd_repstat = EACCES;
1900 error = 0;
1901 goto nfsmout;
1902 }
1903 if (percent == 1) {
1904 val = (digit << 4);
1905 percent = 2;
1906 } else {
1907 val += digit;
1908 percent = 0;
1909 *tocp++ = val;
1910 hash += ((u_char)val);
1911 outlen++;
1912 }
1913 } else {
1914 if (*fromcp == '%' && pubtype == 2) {
1915 /*
1916 * Must be followed by 2 hex digits
1917 */
1918 if ((len - i) < 3) {
1919 nd->nd_repstat = EACCES;
1920 error = 0;
1921 goto nfsmout;
1922 }
1923 percent = 1;
1924 } else {
1925 *tocp++ = *fromcp;
1926 hash += ((u_char)*fromcp);
1927 outlen++;
1928 }
1929 }
1930 } else {
1931 /*
1932 * Normal, non lookup on public, name.
1933 */
1934 if (*fromcp == '/') {
1935 if (nd->nd_flag & ND_NFSV4)
1936 nd->nd_repstat = NFSERR_BADNAME;
1937 else
1938 nd->nd_repstat = EACCES;
1939 error = 0;
1940 goto nfsmout;
1941 }
1942 hash += ((u_char)*fromcp);
1943 *tocp++ = *fromcp;
1944 outlen++;
1945 }
1946 fromcp++;
1947 rem--;
1948 }
1949 nd->nd_md = md;
1950 nd->nd_dpos = fromcp;
1951 i = NFSM_RNDUP(len) - len;
1952 if (i > 0) {
1953 if (rem >= i) {
1954 nd->nd_dpos += i;
1955 } else {
1956 error = nfsm_advance(nd, i, rem);
1957 if (error)
1958 goto nfsmout;
1959 }
1960 }
1961
1962 /*
1963 * For v4, don't allow lookups of '.' or '..' and
1964 * also check for non-utf8 strings.
1965 */
1966 if (nd->nd_flag & ND_NFSV4) {
1967 if ((outlen == 1 && bufp[0] == '.') ||
1968 (outlen == 2 && bufp[0] == '.' &&
1969 bufp[1] == '.')) {
1970 nd->nd_repstat = NFSERR_BADNAME;
1971 error = 0;
1972 goto nfsmout;
1973 }
1974 if (disable_checkutf8 == 0 &&
1975 nfsrv_checkutf8((u_int8_t *)bufp, outlen)) {
1976 nd->nd_repstat = NFSERR_INVAL;
1977 error = 0;
1978 goto nfsmout;
1979 }
1980 }
1981 }
1982 *tocp = '\0';
1983 *outlenp = (size_t)outlen;
1984 if (hashp != NULL)
1985 *hashp = hash;
1986 nfsmout:
1987 NFSEXITCODE2(error, nd);
1988 return (error);
1989 }
1990
1991 void
1992 nfsd_init(void)
1993 {
1994 int i;
1995 static int inited = 0;
1996
1997 if (inited)
1998 return;
1999 inited = 1;
2000
2001 /*
2002 * Initialize client queues. Don't free/reinitialize
2003 * them when nfsds are restarted.
2004 */
2005 for (i = 0; i < NFSCLIENTHASHSIZE; i++)
2006 LIST_INIT(&nfsclienthash[i]);
2007 for (i = 0; i < NFSLOCKHASHSIZE; i++)
2008 LIST_INIT(&nfslockhash[i]);
2009
2010 /* and the v2 pubfh should be all zeros */
2011 NFSBZERO(nfs_v2pubfh, NFSX_V2FH);
2012 }
2013
2014 /*
2015 * Check the v4 root exports.
2016 * Return 0 if ok, 1 otherwise.
2017 */
2018 int
2019 nfsd_checkrootexp(struct nfsrv_descript *nd)
2020 {
2021
2022 if ((nd->nd_flag & (ND_GSS | ND_EXAUTHSYS)) == ND_EXAUTHSYS)
2023 return (0);
2024 if ((nd->nd_flag & (ND_GSSINTEGRITY | ND_EXGSSINTEGRITY)) ==
2025 (ND_GSSINTEGRITY | ND_EXGSSINTEGRITY))
2026 return (0);
2027 if ((nd->nd_flag & (ND_GSSPRIVACY | ND_EXGSSPRIVACY)) ==
2028 (ND_GSSPRIVACY | ND_EXGSSPRIVACY))
2029 return (0);
2030 if ((nd->nd_flag & (ND_GSS | ND_GSSINTEGRITY | ND_GSSPRIVACY |
2031 ND_EXGSS)) == (ND_GSS | ND_EXGSS))
2032 return (0);
2033 return (1);
2034 }
2035
Cache object: 60d466839893856e8007a0f6112d3dfb
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