master
1/* $NetBSD: nfsm_subs.h,v 1.55.4.1 2023/03/30 11:57:26 martin Exp $ */
2
3/*
4 * Copyright (c) 1989, 1993
5 * The Regents of the University of California. All rights reserved.
6 *
7 * This code is derived from software contributed to Berkeley by
8 * Rick Macklem at The University of Guelph.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 * 3. Neither the name of the University nor the names of its contributors
19 * may be used to endorse or promote products derived from this software
20 * without specific prior written permission.
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 * SUCH DAMAGE.
33 *
34 * @(#)nfsm_subs.h 8.2 (Berkeley) 3/30/95
35 */
36
37
38#ifndef _NFS_NFSM_SUBS_H_
39#define _NFS_NFSM_SUBS_H_
40
41
42/*
43 * These macros do strange and peculiar things to mbuf chains for
44 * the assistance of the nfs code. To attempt to use them for any
45 * other purpose will be dangerous. (they make weird assumptions)
46 */
47
48/*
49 * First define what the actual subs. return
50 */
51
52#define M_HASCL(m) ((m)->m_flags & M_EXT)
53#define NFSMADV(m, s) (m)->m_data += (s)
54#define NFSMSIZ(m) ((M_HASCL(m)) ? (m)->m_ext.ext_size : \
55 (((m)->m_flags & M_PKTHDR) ? MHLEN : MLEN))
56
57/*
58 * NFSv2 can only handle signed 32bit quantities and some clients
59 * get confused by larger than 16bit block sizes. Limit values
60 * for better compatibility.
61 */
62#define NFS_V2CLAMP32(x) ((x) > INT32_MAX ? INT32_MAX : (int32_t)(x))
63#define NFS_V2CLAMP16(x) ((x) > INT16_MAX ? INT16_MAX : (int32_t)(x))
64
65/*
66 * Now for the macros that do the simple stuff and call the functions
67 * for the hard stuff.
68 * These macros use several vars. declared in nfsm_reqhead and these
69 * vars. must not be used elsewhere unless you are careful not to corrupt
70 * them. The vars. starting with pN and tN (N=1,2,3,..) are temporaries
71 * that may be used so long as the value is not expected to retained
72 * after a macro.
73 * I know, this is kind of dorkey, but it makes the actual op functions
74 * fairly clean and deals with the mess caused by the xdr discriminating
75 * unions.
76 */
77
78#define nfsm_build(a,c,s) \
79 { if ((s) > M_TRAILINGSPACE(mb)) { \
80 struct mbuf *mb2; \
81 mb2 = m_get(M_WAIT, MT_DATA); \
82 MCLAIM(mb2, &nfs_mowner); \
83 if ((s) > MLEN) \
84 panic("build > MLEN"); \
85 mb->m_next = mb2; \
86 mb = mb2; \
87 mb->m_len = 0; \
88 bpos = mtod(mb, char *); \
89 } \
90 (a) = (c)(bpos); \
91 mb->m_len += (s); \
92 bpos += (s); }
93
94#define nfsm_aligned(p) ALIGNED_POINTER(p,u_int32_t)
95
96#define nfsm_dissect(a, c, s) \
97 { t1 = mtod(md, char *) + md->m_len-dpos; \
98 if (t1 >= (s) && nfsm_aligned(dpos)) { \
99 (a) = (c)(dpos); \
100 dpos += (s); \
101 } else if ((t1 = nfsm_disct(&md, &dpos, (s), t1, &cp2)) != 0){ \
102 error = t1; \
103 m_freem(mrep); \
104 goto nfsmout; \
105 } else { \
106 (a) = (c)cp2; \
107 } }
108
109#define nfsm_fhtom(n, v3) \
110 { if (v3) { \
111 t2 = nfsm_rndup((n)->n_fhsize) + NFSX_UNSIGNED; \
112 if (t2 <= M_TRAILINGSPACE(mb)) { \
113 nfsm_build(tl, u_int32_t *, t2); \
114 *tl++ = txdr_unsigned((n)->n_fhsize); \
115 *(tl + ((t2>>2) - 2)) = 0; \
116 memcpy(tl,(n)->n_fhp, (n)->n_fhsize); \
117 } else if ((t2 = nfsm_strtmbuf(&mb, &bpos, \
118 (void *)(n)->n_fhp, (n)->n_fhsize)) != 0) { \
119 error = t2; \
120 m_freem(mreq); \
121 goto nfsmout; \
122 } \
123 } else { \
124 nfsm_build(cp, void *, NFSX_V2FH); \
125 memcpy(cp, (n)->n_fhp, NFSX_V2FH); \
126 } }
127
128#define nfsm_srvfhtom(f, v3) \
129 { if (v3) { \
130 nfsm_build(tl, u_int32_t *, NFSX_UNSIGNED + \
131 NFSRVFH_SIZE(f)); \
132 *tl++ = txdr_unsigned(NFSRVFH_SIZE(f)); \
133 memcpy(tl, NFSRVFH_DATA(f), NFSRVFH_SIZE(f)); \
134 } else { \
135 KASSERT(NFSRVFH_SIZE(f) == NFSX_V2FH); \
136 nfsm_build(cp, void *, NFSX_V2FH); \
137 memcpy(cp, NFSRVFH_DATA(f), NFSX_V2FH); \
138 } }
139
140#define nfsm_srvpostop_fh(f) \
141 { nfsm_build(tl, u_int32_t *, \
142 2 * NFSX_UNSIGNED + NFSRVFH_SIZE(f)); \
143 *tl++ = nfs_true; \
144 *tl++ = txdr_unsigned(NFSRVFH_SIZE(f)); \
145 memcpy(tl, NFSRVFH_DATA(f), NFSRVFH_SIZE(f)); \
146 }
147
148/*
149 * nfsm_mtofh: dissect a "resulted obj" part of create-like operations
150 * like mkdir.
151 *
152 * for nfsv3, dissect post_op_fh3 and following post_op_attr.
153 * for nfsv2, dissect fhandle and following fattr.
154 *
155 * d: (IN) the vnode of the parent directory.
156 * v: (OUT) the corresponding vnode (we allocate one if needed)
157 * v3: (IN) true for nfsv3.
158 * f: (OUT) true if we got valid filehandle. always true for nfsv2.
159 */
160
161#define nfsm_mtofh(d, v, v3, f) \
162 { struct nfsnode *ttnp; nfsfh_t *ttfhp; int ttfhsize; \
163 int hasattr = 0; \
164 if (v3) { \
165 nfsm_dissect(tl, u_int32_t *, NFSX_UNSIGNED); \
166 (f) = fxdr_unsigned(int, *tl); \
167 } else { \
168 (f) = 1; \
169 hasattr = 1; \
170 } \
171 if (f) { \
172 nfsm_getfh(ttfhp, ttfhsize, (v3)); \
173 if ((t1 = nfs_nget((d)->v_mount, ttfhp, ttfhsize, \
174 &ttnp)) != 0) { \
175 error = t1; \
176 m_freem(mrep); \
177 goto nfsmout; \
178 } \
179 (v) = NFSTOV(ttnp); \
180 } \
181 if (v3) { \
182 nfsm_dissect(tl, u_int32_t *, NFSX_UNSIGNED); \
183 if (f) \
184 hasattr = fxdr_unsigned(int, *tl); \
185 else if (fxdr_unsigned(int, *tl)) \
186 nfsm_adv(NFSX_V3FATTR); \
187 } \
188 if (f && hasattr) \
189 nfsm_loadattr((v), (struct vattr *)0, 0); \
190 }
191
192/*
193 * nfsm_getfh: dissect a filehandle.
194 *
195 * f: (OUT) a filehandle.
196 * s: (OUT) size of the filehandle in bytes.
197 * v3: (IN) true if nfsv3.
198 */
199
200#define nfsm_getfh(f, s, v3) \
201 { if (v3) { \
202 nfsm_dissect(tl, u_int32_t *, NFSX_UNSIGNED); \
203 if (((s) = fxdr_unsigned(int, *tl)) <= 0 || \
204 (s) > NFSX_V3FHMAX) { \
205 m_freem(mrep); \
206 error = EBADRPC; \
207 goto nfsmout; \
208 } \
209 } else \
210 (s) = NFSX_V2FH; \
211 nfsm_dissect((f), nfsfh_t *, nfsm_rndup(s)); }
212
213#define nfsm_loadattr(v, a, flags) \
214 { struct vnode *ttvp = (v); \
215 if ((t1 = nfsm_loadattrcache(&ttvp, &md, &dpos, (a), (flags))) \
216 != 0) { \
217 error = t1; \
218 m_freem(mrep); \
219 goto nfsmout; \
220 } \
221 (v) = ttvp; }
222
223/*
224 * nfsm_postop_attr: process nfsv3 post_op_attr
225 *
226 * dissect post_op_attr. if we got a one,
227 * call nfsm_loadattrcache to update attribute cache.
228 *
229 * v: (IN/OUT) the corresponding vnode
230 * f: (OUT) true if we got valid attribute
231 * flags: (IN) flags for nfsm_loadattrcache
232 */
233
234#define nfsm_postop_attr(v, f, flags) \
235 { struct vnode *ttvp = (v); \
236 nfsm_dissect(tl, u_int32_t *, NFSX_UNSIGNED); \
237 if (((f) = fxdr_unsigned(int, *tl)) != 0) { \
238 if ((t1 = nfsm_loadattrcache(&ttvp, &md, &dpos, \
239 (struct vattr *)0, (flags))) != 0) { \
240 error = t1; \
241 (f) = 0; \
242 m_freem(mrep); \
243 goto nfsmout; \
244 } \
245 (v) = ttvp; \
246 } }
247
248/*
249 * nfsm_wcc_data: process nfsv3 wcc_data
250 *
251 * dissect pre_op_attr and then let nfsm_postop_attr dissect post_op_attr.
252 *
253 * v: (IN/OUT) the corresponding vnode
254 * f: (IN/OUT)
255 * NFSV3_WCCRATTR return true if we got valid post_op_attr.
256 * NFSV3_WCCCHK return true if pre_op_attr's mtime is the same
257 * as our n_mtime. (ie. our cache isn't stale.)
258 * flags: (IN) flags for nfsm_loadattrcache
259 * docheck: (IN) true if timestamp change is expected
260 */
261
262/* Used as (f) for nfsm_wcc_data() */
263#define NFSV3_WCCRATTR 0
264#define NFSV3_WCCCHK 1
265
266#define nfsm_wcc_data(v, f, flags, docheck) \
267 { int ttattrf, ttretf = 0, renewctime = 0, renewnctime = 0; \
268 struct timespec ctime, mtime; \
269 struct nfsnode *nfsp = VTONFS(v); \
270 bool haspreopattr = false; \
271 nfsm_dissect(tl, u_int32_t *, NFSX_UNSIGNED); \
272 if (*tl == nfs_true) { \
273 haspreopattr = true; \
274 nfsm_dissect(tl, u_int32_t *, 6 * NFSX_UNSIGNED); \
275 fxdr_nfsv3time(tl + 2, &mtime); \
276 fxdr_nfsv3time(tl + 4, &ctime); \
277 if (nfsp->n_ctime == ctime.tv_sec) \
278 renewctime = 1; \
279 if ((v)->v_type == VDIR) { \
280 if (timespeccmp(&nfsp->n_nctime, &ctime, ==)) \
281 renewnctime = 1; \
282 } \
283 if (f) { \
284 ttretf = timespeccmp(&nfsp->n_mtime, &mtime, ==);\
285 } \
286 } \
287 nfsm_postop_attr((v), ttattrf, (flags)); \
288 nfsp = VTONFS(v); \
289 if (ttattrf) { \
290 if (haspreopattr && \
291 nfs_check_wccdata(nfsp, &ctime, &mtime, (docheck))) \
292 renewctime = renewnctime = ttretf = 0; \
293 if (renewctime) \
294 nfsp->n_ctime = nfsp->n_vattr->va_ctime.tv_sec; \
295 if (renewnctime) \
296 nfsp->n_nctime = nfsp->n_vattr->va_ctime; \
297 } \
298 if (f) { \
299 (f) = ttretf; \
300 } else { \
301 (f) = ttattrf; \
302 } }
303
304/* If full is true, set all fields, otherwise just set mode and time fields */
305#define nfsm_v3attrbuild(a, full) \
306 { if ((a)->va_mode != (mode_t)VNOVAL) { \
307 nfsm_build(tl, u_int32_t *, 2 * NFSX_UNSIGNED); \
308 *tl++ = nfs_true; \
309 *tl = txdr_unsigned((a)->va_mode); \
310 } else { \
311 nfsm_build(tl, u_int32_t *, NFSX_UNSIGNED); \
312 *tl = nfs_false; \
313 } \
314 if ((full) && (a)->va_uid != (uid_t)VNOVAL) { \
315 nfsm_build(tl, u_int32_t *, 2 * NFSX_UNSIGNED); \
316 *tl++ = nfs_true; \
317 *tl = txdr_unsigned((a)->va_uid); \
318 } else { \
319 nfsm_build(tl, u_int32_t *, NFSX_UNSIGNED); \
320 *tl = nfs_false; \
321 } \
322 if ((full) && (a)->va_gid != (gid_t)VNOVAL) { \
323 nfsm_build(tl, u_int32_t *, 2 * NFSX_UNSIGNED); \
324 *tl++ = nfs_true; \
325 *tl = txdr_unsigned((a)->va_gid); \
326 } else { \
327 nfsm_build(tl, u_int32_t *, NFSX_UNSIGNED); \
328 *tl = nfs_false; \
329 } \
330 if ((full) && (a)->va_size != VNOVAL) { \
331 nfsm_build(tl, u_int32_t *, 3 * NFSX_UNSIGNED); \
332 *tl++ = nfs_true; \
333 txdr_hyper((a)->va_size, tl); \
334 } else { \
335 nfsm_build(tl, u_int32_t *, NFSX_UNSIGNED); \
336 *tl = nfs_false; \
337 } \
338 if ((a)->va_atime.tv_sec != VNOVAL) { \
339 if ((a)->va_atime.tv_sec != time_second) { \
340 nfsm_build(tl, u_int32_t *, 3 * NFSX_UNSIGNED); \
341 *tl++ = txdr_unsigned(NFSV3SATTRTIME_TOCLIENT); \
342 txdr_nfsv3time(&(a)->va_atime, tl); \
343 } else { \
344 nfsm_build(tl, u_int32_t *, NFSX_UNSIGNED); \
345 *tl = txdr_unsigned(NFSV3SATTRTIME_TOSERVER); \
346 } \
347 } else { \
348 nfsm_build(tl, u_int32_t *, NFSX_UNSIGNED); \
349 *tl = txdr_unsigned(NFSV3SATTRTIME_DONTCHANGE); \
350 } \
351 if ((a)->va_mtime.tv_sec != VNOVAL) { \
352 if ((a)->va_mtime.tv_sec != time_second) { \
353 nfsm_build(tl, u_int32_t *, 3 * NFSX_UNSIGNED); \
354 *tl++ = txdr_unsigned(NFSV3SATTRTIME_TOCLIENT); \
355 txdr_nfsv3time(&(a)->va_mtime, tl); \
356 } else { \
357 nfsm_build(tl, u_int32_t *, NFSX_UNSIGNED); \
358 *tl = txdr_unsigned(NFSV3SATTRTIME_TOSERVER); \
359 } \
360 } else { \
361 nfsm_build(tl, u_int32_t *, NFSX_UNSIGNED); \
362 *tl = txdr_unsigned(NFSV3SATTRTIME_DONTCHANGE); \
363 } \
364 }
365
366
367#define nfsm_strsiz(s,m) \
368 { nfsm_dissect(tl,uint32_t *,NFSX_UNSIGNED); \
369 if ((uint32_t)((s) = fxdr_unsigned(uint32_t,*tl)) > (m)) { \
370 m_freem(mrep); \
371 error = EBADRPC; \
372 goto nfsmout; \
373 } }
374
375#define nfsm_srvnamesiz(s) \
376 { nfsm_dissect(tl,uint32_t *,NFSX_UNSIGNED); \
377 if ((uint32_t)((s) = fxdr_unsigned(uint32_t,*tl)) > \
378 NFS_MAXNAMLEN) \
379 error = NFSERR_NAMETOL; \
380 if (error) \
381 nfsm_reply(0); \
382 }
383
384#define nfsm_mtouio(p,s) \
385 if ((s) > 0 && \
386 (t1 = nfsm_mbuftouio(&md,(p),(s),&dpos)) != 0) { \
387 error = t1; \
388 m_freem(mrep); \
389 goto nfsmout; \
390 }
391
392#define nfsm_uiotom(p,s) \
393 if ((t1 = nfsm_uiotombuf((p),&mb,(s),&bpos)) != 0) { \
394 error = t1; \
395 m_freem(mreq); \
396 goto nfsmout; \
397 }
398
399#define nfsm_reqhead(n,a,s) \
400 mb = mreq = nfsm_reqh((n),(a),(s),&bpos)
401
402#define nfsm_reqdone m_freem(mrep); \
403 nfsmout:
404
405#define nfsm_rndup(a) (((a)+3)&(~0x3))
406#define nfsm_padlen(a) (nfsm_rndup(a) - (a))
407
408#define nfsm_request1(v, t, p, c, rexmitp) \
409 if ((error = nfs_request((v), mreq, (t), (p), \
410 (c), &mrep, &md, &dpos, (rexmitp))) != 0) { \
411 if (error & NFSERR_RETERR) \
412 error &= ~NFSERR_RETERR; \
413 else \
414 goto nfsmout; \
415 }
416
417#define nfsm_request(v, t, p, c) nfsm_request1((v), (t), (p), (c), NULL)
418
419#define nfsm_strtom(a,s,m) \
420 if ((s) > (m)) { \
421 m_freem(mreq); \
422 error = ENAMETOOLONG; \
423 goto nfsmout; \
424 } \
425 t2 = nfsm_rndup(s)+NFSX_UNSIGNED; \
426 if (t2 <= M_TRAILINGSPACE(mb)) { \
427 nfsm_build(tl,u_int32_t *,t2); \
428 *tl++ = txdr_unsigned(s); \
429 *(tl+((t2>>2)-2)) = 0; \
430 memcpy(tl, (const char *)(a), (s)); \
431 } else if ((t2 = nfsm_strtmbuf(&mb, &bpos, (a), (s))) != 0) { \
432 error = t2; \
433 m_freem(mreq); \
434 goto nfsmout; \
435 }
436
437#define nfsm_srvdone \
438 nfsmout: \
439 return(error)
440
441#define nfsm_reply(s) \
442 { \
443 nfsd->nd_repstat = error; \
444 if (error && !(nfsd->nd_flag & ND_NFSV3)) \
445 (void) nfs_rephead(0, nfsd, slp, error, cache, &frev, \
446 mrq, &mb, &bpos); \
447 else \
448 (void) nfs_rephead((s), nfsd, slp, error, cache, &frev, \
449 mrq, &mb, &bpos); \
450 if (mrep != NULL) { \
451 m_freem(mrep); \
452 mrep = NULL; \
453 } \
454 mreq = *mrq; \
455 if (error && (!(nfsd->nd_flag & ND_NFSV3) || \
456 error == EBADRPC)) {\
457 error = 0; \
458 goto nfsmout; \
459 } \
460 }
461
462#define nfsm_writereply(s, v3) \
463 { \
464 nfsd->nd_repstat = error; \
465 if (error && !(v3)) \
466 (void) nfs_rephead(0, nfsd, slp, error, cache, &frev, \
467 &mreq, &mb, &bpos); \
468 else \
469 (void) nfs_rephead((s), nfsd, slp, error, cache, &frev, \
470 &mreq, &mb, &bpos); \
471 }
472
473#define nfsm_adv(s) \
474 { t1 = mtod(md, char *) + md->m_len - dpos; \
475 if (t1 >= (s)) { \
476 dpos += (s); \
477 } else if ((t1 = nfs_adv(&md, &dpos, (s), t1)) != 0) { \
478 error = t1; \
479 m_freem(mrep); \
480 goto nfsmout; \
481 } }
482
483#define nfsm_srvmtofh(nsfh) \
484 { uint32_t fhlen = NFSX_V3FH; \
485 if (nfsd->nd_flag & ND_NFSV3) { \
486 nfsm_dissect(tl, uint32_t *, NFSX_UNSIGNED); \
487 fhlen = fxdr_unsigned(uint32_t, *tl); \
488 CTASSERT(NFSX_V3FHMAX <= FHANDLE_SIZE_MAX); \
489 if (fhlen > NFSX_V3FHMAX || \
490 (fhlen < FHANDLE_SIZE_MIN && fhlen > 0)) { \
491 error = EBADRPC; \
492 nfsm_reply(0); \
493 } \
494 } else { \
495 CTASSERT(NFSX_V2FH >= FHANDLE_SIZE_MIN); \
496 fhlen = NFSX_V2FH; \
497 } \
498 (nsfh)->nsfh_size = fhlen; \
499 if (fhlen != 0) { \
500 KASSERT(fhlen >= FHANDLE_SIZE_MIN); \
501 KASSERT(fhlen <= FHANDLE_SIZE_MAX); \
502 nfsm_dissect(tl, u_int32_t *, fhlen); \
503 memcpy(NFSRVFH_DATA(nsfh), tl, fhlen); \
504 } \
505 }
506
507#define nfsm_clget \
508 if (bp >= be) { \
509 if (mp == mb) \
510 mp->m_len += bp-bpos; \
511 mp = m_get(M_WAIT, MT_DATA); \
512 MCLAIM(mp, &nfs_mowner); \
513 m_clget(mp, M_WAIT); \
514 mp->m_len = NFSMSIZ(mp); \
515 mp2->m_next = mp; \
516 mp2 = mp; \
517 bp = mtod(mp, char *); \
518 be = bp+mp->m_len; \
519 } \
520 tl = (u_int32_t *)bp
521
522#define nfsm_srvfillattr(a, f) \
523 nfsm_srvfattr(nfsd, (a), (f))
524
525#define nfsm_srvwcc_data(br, b, ar, a) \
526 nfsm_srvwcc(nfsd, (br), (b), (ar), (a), &mb, &bpos)
527
528#define nfsm_srvpostop_attr(r, a) \
529 nfsm_srvpostopattr(nfsd, (r), (a), &mb, &bpos)
530
531#define nfsm_srvsattr(a) \
532 { \
533 nfsm_dissect(tl, u_int32_t *, NFSX_UNSIGNED); \
534 if (*tl == nfs_true) { \
535 nfsm_dissect(tl, u_int32_t *, NFSX_UNSIGNED); \
536 (a)->va_mode = nfstov_mode(*tl); \
537 } \
538 nfsm_dissect(tl, u_int32_t *, NFSX_UNSIGNED); \
539 if (*tl == nfs_true) { \
540 nfsm_dissect(tl, u_int32_t *, NFSX_UNSIGNED); \
541 (a)->va_uid = fxdr_unsigned(uid_t, *tl); \
542 } \
543 nfsm_dissect(tl, u_int32_t *, NFSX_UNSIGNED); \
544 if (*tl == nfs_true) { \
545 nfsm_dissect(tl, u_int32_t *, NFSX_UNSIGNED); \
546 (a)->va_gid = fxdr_unsigned(gid_t, *tl); \
547 } \
548 nfsm_dissect(tl, u_int32_t *, NFSX_UNSIGNED); \
549 if (*tl == nfs_true) { \
550 nfsm_dissect(tl, u_int32_t *, 2 * NFSX_UNSIGNED); \
551 (a)->va_size = fxdr_hyper(tl); \
552 } \
553 nfsm_dissect(tl, u_int32_t *, NFSX_UNSIGNED); \
554 switch (fxdr_unsigned(int, *tl)) { \
555 case NFSV3SATTRTIME_TOCLIENT: \
556 nfsm_dissect(tl, u_int32_t *, 2 * NFSX_UNSIGNED); \
557 fxdr_nfsv3time(tl, &(a)->va_atime); \
558 break; \
559 case NFSV3SATTRTIME_TOSERVER: \
560 getnanotime(&(a)->va_atime); \
561 (a)->va_vaflags |= VA_UTIMES_NULL; \
562 break; \
563 }; \
564 nfsm_dissect(tl, u_int32_t *, NFSX_UNSIGNED); \
565 switch (fxdr_unsigned(int, *tl)) { \
566 case NFSV3SATTRTIME_TOCLIENT: \
567 nfsm_dissect(tl, u_int32_t *, 2 * NFSX_UNSIGNED); \
568 fxdr_nfsv3time(tl, &(a)->va_mtime); \
569 (a)->va_vaflags &= ~VA_UTIMES_NULL; \
570 break; \
571 case NFSV3SATTRTIME_TOSERVER: \
572 getnanotime(&(a)->va_mtime); \
573 (a)->va_vaflags |= VA_UTIMES_NULL; \
574 break; \
575 }; }
576
577#endif