Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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sys/nfs/nfsm_subs.h
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1 /* $NetBSD: nfsm_subs.h,v 1.55 2021/08/12 20:25:27 andvar 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 (((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 (((s) = fxdr_unsigned(uint32_t,*tl)) > NFS_MAXNAMLEN) \ 378 error = NFSERR_NAMETOL; \ 379 if (error) \ 380 nfsm_reply(0); \ 381 } 382 383 #define nfsm_mtouio(p,s) \ 384 if ((s) > 0 && \ 385 (t1 = nfsm_mbuftouio(&md,(p),(s),&dpos)) != 0) { \ 386 error = t1; \ 387 m_freem(mrep); \ 388 goto nfsmout; \ 389 } 390 391 #define nfsm_uiotom(p,s) \ 392 if ((t1 = nfsm_uiotombuf((p),&mb,(s),&bpos)) != 0) { \ 393 error = t1; \ 394 m_freem(mreq); \ 395 goto nfsmout; \ 396 } 397 398 #define nfsm_reqhead(n,a,s) \ 399 mb = mreq = nfsm_reqh((n),(a),(s),&bpos) 400 401 #define nfsm_reqdone m_freem(mrep); \ 402 nfsmout: 403 404 #define nfsm_rndup(a) (((a)+3)&(~0x3)) 405 #define nfsm_padlen(a) (nfsm_rndup(a) - (a)) 406 407 #define nfsm_request1(v, t, p, c, rexmitp) \ 408 if ((error = nfs_request((v), mreq, (t), (p), \ 409 (c), &mrep, &md, &dpos, (rexmitp))) != 0) { \ 410 if (error & NFSERR_RETERR) \ 411 error &= ~NFSERR_RETERR; \ 412 else \ 413 goto nfsmout; \ 414 } 415 416 #define nfsm_request(v, t, p, c) nfsm_request1((v), (t), (p), (c), NULL) 417 418 #define nfsm_strtom(a,s,m) \ 419 if ((s) > (m)) { \ 420 m_freem(mreq); \ 421 error = ENAMETOOLONG; \ 422 goto nfsmout; \ 423 } \ 424 t2 = nfsm_rndup(s)+NFSX_UNSIGNED; \ 425 if (t2 <= M_TRAILINGSPACE(mb)) { \ 426 nfsm_build(tl,u_int32_t *,t2); \ 427 *tl++ = txdr_unsigned(s); \ 428 *(tl+((t2>>2)-2)) = 0; \ 429 memcpy(tl, (const char *)(a), (s)); \ 430 } else if ((t2 = nfsm_strtmbuf(&mb, &bpos, (a), (s))) != 0) { \ 431 error = t2; \ 432 m_freem(mreq); \ 433 goto nfsmout; \ 434 } 435 436 #define nfsm_srvdone \ 437 nfsmout: \ 438 return(error) 439 440 #define nfsm_reply(s) \ 441 { \ 442 nfsd->nd_repstat = error; \ 443 if (error && !(nfsd->nd_flag & ND_NFSV3)) \ 444 (void) nfs_rephead(0, nfsd, slp, error, cache, &frev, \ 445 mrq, &mb, &bpos); \ 446 else \ 447 (void) nfs_rephead((s), nfsd, slp, error, cache, &frev, \ 448 mrq, &mb, &bpos); \ 449 if (mrep != NULL) { \ 450 m_freem(mrep); \ 451 mrep = NULL; \ 452 } \ 453 mreq = *mrq; \ 454 if (error && (!(nfsd->nd_flag & ND_NFSV3) || \ 455 error == EBADRPC)) {\ 456 error = 0; \ 457 goto nfsmout; \ 458 } \ 459 } 460 461 #define nfsm_writereply(s, v3) \ 462 { \ 463 nfsd->nd_repstat = error; \ 464 if (error && !(v3)) \ 465 (void) nfs_rephead(0, nfsd, slp, error, cache, &frev, \ 466 &mreq, &mb, &bpos); \ 467 else \ 468 (void) nfs_rephead((s), nfsd, slp, error, cache, &frev, \ 469 &mreq, &mb, &bpos); \ 470 } 471 472 #define nfsm_adv(s) \ 473 { t1 = mtod(md, char *) + md->m_len - dpos; \ 474 if (t1 >= (s)) { \ 475 dpos += (s); \ 476 } else if ((t1 = nfs_adv(&md, &dpos, (s), t1)) != 0) { \ 477 error = t1; \ 478 m_freem(mrep); \ 479 goto nfsmout; \ 480 } } 481 482 #define nfsm_srvmtofh(nsfh) \ 483 { int fhlen = NFSX_V3FH; \ 484 if (nfsd->nd_flag & ND_NFSV3) { \ 485 nfsm_dissect(tl, u_int32_t *, NFSX_UNSIGNED); \ 486 fhlen = fxdr_unsigned(int, *tl); \ 487 if (fhlen > NFSX_V3FHMAX || \ 488 (fhlen < FHANDLE_SIZE_MIN && fhlen > 0)) { \ 489 error = EBADRPC; \ 490 nfsm_reply(0); \ 491 } \ 492 } else { \ 493 fhlen = NFSX_V2FH; \ 494 } \ 495 (nsfh)->nsfh_size = fhlen; \ 496 if (fhlen != 0) { \ 497 nfsm_dissect(tl, u_int32_t *, fhlen); \ 498 memcpy(NFSRVFH_DATA(nsfh), tl, fhlen); \ 499 } \ 500 } 501 502 #define nfsm_clget \ 503 if (bp >= be) { \ 504 if (mp == mb) \ 505 mp->m_len += bp-bpos; \ 506 mp = m_get(M_WAIT, MT_DATA); \ 507 MCLAIM(mp, &nfs_mowner); \ 508 m_clget(mp, M_WAIT); \ 509 mp->m_len = NFSMSIZ(mp); \ 510 mp2->m_next = mp; \ 511 mp2 = mp; \ 512 bp = mtod(mp, char *); \ 513 be = bp+mp->m_len; \ 514 } \ 515 tl = (u_int32_t *)bp 516 517 #define nfsm_srvfillattr(a, f) \ 518 nfsm_srvfattr(nfsd, (a), (f)) 519 520 #define nfsm_srvwcc_data(br, b, ar, a) \ 521 nfsm_srvwcc(nfsd, (br), (b), (ar), (a), &mb, &bpos) 522 523 #define nfsm_srvpostop_attr(r, a) \ 524 nfsm_srvpostopattr(nfsd, (r), (a), &mb, &bpos) 525 526 #define nfsm_srvsattr(a) \ 527 { \ 528 nfsm_dissect(tl, u_int32_t *, NFSX_UNSIGNED); \ 529 if (*tl == nfs_true) { \ 530 nfsm_dissect(tl, u_int32_t *, NFSX_UNSIGNED); \ 531 (a)->va_mode = nfstov_mode(*tl); \ 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_uid = fxdr_unsigned(uid_t, *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_gid = fxdr_unsigned(gid_t, *tl); \ 542 } \ 543 nfsm_dissect(tl, u_int32_t *, NFSX_UNSIGNED); \ 544 if (*tl == nfs_true) { \ 545 nfsm_dissect(tl, u_int32_t *, 2 * NFSX_UNSIGNED); \ 546 (a)->va_size = fxdr_hyper(tl); \ 547 } \ 548 nfsm_dissect(tl, u_int32_t *, NFSX_UNSIGNED); \ 549 switch (fxdr_unsigned(int, *tl)) { \ 550 case NFSV3SATTRTIME_TOCLIENT: \ 551 nfsm_dissect(tl, u_int32_t *, 2 * NFSX_UNSIGNED); \ 552 fxdr_nfsv3time(tl, &(a)->va_atime); \ 553 break; \ 554 case NFSV3SATTRTIME_TOSERVER: \ 555 getnanotime(&(a)->va_atime); \ 556 (a)->va_vaflags |= VA_UTIMES_NULL; \ 557 break; \ 558 }; \ 559 nfsm_dissect(tl, u_int32_t *, NFSX_UNSIGNED); \ 560 switch (fxdr_unsigned(int, *tl)) { \ 561 case NFSV3SATTRTIME_TOCLIENT: \ 562 nfsm_dissect(tl, u_int32_t *, 2 * NFSX_UNSIGNED); \ 563 fxdr_nfsv3time(tl, &(a)->va_mtime); \ 564 (a)->va_vaflags &= ~VA_UTIMES_NULL; \ 565 break; \ 566 case NFSV3SATTRTIME_TOSERVER: \ 567 getnanotime(&(a)->va_mtime); \ 568 (a)->va_vaflags |= VA_UTIMES_NULL; \ 569 break; \ 570 }; } 571 572 #endif
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