sys/nfs4client/nfs4_subs.c

   1 /* $FreeBSD$ */
   2 /* $Id: nfs4_subs.c,v 1.52 2003/11/05 14:58:59 rees Exp $ */
   3
   4 /*
   5  * copyright (c) 2003
   6  * the regents of the university of michigan
   7  * all rights reserved
   8  *
   9  * permission is granted to use, copy, create derivative works and redistribute
  10  * this software and such derivative works for any purpose, so long as the name
  11  * of the university of michigan is not used in any advertising or publicity
  12  * pertaining to the use or distribution of this software without specific,
  13  * written prior authorization.  if the above copyright notice or any other
  14  * identification of the university of michigan is included in any copy of any
  15  * portion of this software, then the disclaimer below must also be included.
  16  *
  17  * this software is provided as is, without representation from the university
  18  * of michigan as to its fitness for any purpose, and without warranty by the
  19  * university of michigan of any kind, either express or implied, including
  20  * without limitation the implied warranties of merchantability and fitness for
  21  * a particular purpose. the regents of the university of michigan shall not be
  22  * liable for any damages, including special, indirect, incidental, or
  23  * consequential damages, with respect to any claim arising out of or in
  24  * connection with the use of the software, even if it has been or is hereafter
  25  * advised of the possibility of such damages.
  26  */
  27
  28 #include <sys/cdefs.h>
  29
  30 #include <sys/param.h>
  31 #include <sys/systm.h>
  32 #include <sys/kernel.h>
  33 #include <sys/bio.h>
  34 #include <sys/buf.h>
  35 #include <sys/proc.h>
  36 #include <sys/mount.h>
  37 #include <sys/vnode.h>
  38 #include <sys/namei.h>
  39 #include <sys/mbuf.h>
  40 #include <sys/socket.h>
  41 #include <sys/stat.h>
  42 #include <sys/malloc.h>
  43 #include <sys/sysent.h>
  44 #include <sys/syscall.h>
  45 #include <sys/sysproto.h>
  46 #include <sys/fcntl.h>
  47
  48 #include <machine/stdarg.h>
  49
  50 #include <vm/vm.h>
  51 #include <vm/vm_object.h>
  52 #include <vm/vm_extern.h>
  53 #include <vm/uma.h>
  54
  55 #include <rpc/rpcclnt.h>
  56
  57 #include <nfs/rpcv2.h>
  58 #include <nfs/nfsproto.h>
  59 #include <nfsclient/nfs.h>
  60 #include <nfs4client/nfs4.h>
  61 #include <nfsclient/nfsnode.h>
  62 #include <nfsclient/nfsmount.h>
  63 #include <nfs/xdr_subs.h>
  64 #include <nfsclient/nfsm_subs.h>
  65
  66 #include <nfs4client/nfs4_dev.h>
  67 #include <nfs4client/nfs4_idmap.h>
  68 #include <nfs4client/nfs4m_subs.h>
  69
  70 #include <netinet/in.h>
  71
  72 #define NFSM_DISSECT(s) do {                                                    \
  73         tl = nfsm_dissect_xx((s), md, dpos);                                    \
  74         if (tl == NULL) {                                                       \
  75                 printf("NFSM_DISSECT error; allocation (%s/%d) (%s:%d)\n", #s, s, __FILE__, __LINE__);  \
  76                 return (EBADRPC);                                               \
  77         }                                                                       \
  78 } while (0)
  79
  80 #define NFSM_ADV(s) do {                                                \
  81         t1 = nfsm_adv_xx((s), md, dpos);                                \
  82         if (t1 != 0) {                                                  \
  83                 printf("NFSM_ADV error; allocation (%s/%d) (%s:%d)\n", #s, s, __FILE__, __LINE__);      \
  84                 return (EBADRPC);                                       \
  85         }                                                               \
  86 } while (0)
  87
  88 #define NFSM_MTOTIME(t) do {                            \
  89         NFSM_DISSECT(3 * NFSX_UNSIGNED);                \
  90         (t).tv_sec = fxdr_hyper(tl);                    \
  91         tl += 2;                                        \
  92         (t).tv_nsec = fxdr_unsigned(long, *tl++);       \
  93 } while (0)
  94
  95 static uint32_t __fsinfo_bm[2], __fsattr_bm[2], __getattr_bm[2], __readdir_bm[2];
  96
  97 nfsv4bitmap nfsv4_fsinfobm = { 2, __fsinfo_bm };
  98 nfsv4bitmap nfsv4_fsattrbm = { 2, __fsattr_bm };
  99 nfsv4bitmap nfsv4_getattrbm = { 2, __getattr_bm };
 100 nfsv4bitmap nfsv4_readdirbm = { 2, __readdir_bm };
 101
 102 /* Helper routines */
 103 int nfsm_v4build_attrs_xx(struct vattr *, struct mbuf **, caddr_t *);
 104 int nfsm_v4dissect_changeinfo_xx(nfsv4changeinfo *,  struct mbuf **, caddr_t *);
 105
 106 void
 107 nfsm_v4init(void)
 108 {
 109
 110         /* Set up bitmasks */
 111         FA4_SET(FA4_FSID, __fsinfo_bm);
 112         FA4_SET(FA4_MAXREAD, __fsinfo_bm);
 113         FA4_SET(FA4_MAXWRITE, __fsinfo_bm);
 114         FA4_SET(FA4_LEASE_TIME, __fsinfo_bm);
 115
 116         FA4_SET(FA4_FSID, __fsattr_bm);
 117         FA4_SET(FA4_FILES_FREE, __fsattr_bm);
 118         FA4_SET(FA4_FILES_TOTAL, __fsattr_bm);
 119         FA4_SET(FA4_SPACE_AVAIL, __fsattr_bm);
 120         FA4_SET(FA4_SPACE_FREE, __fsattr_bm);
 121         FA4_SET(FA4_SPACE_TOTAL, __fsattr_bm);
 122
 123         FA4_SET(FA4_TYPE, __getattr_bm);
 124         FA4_SET(FA4_FSID, __getattr_bm);
 125         FA4_SET(FA4_SIZE, __getattr_bm);
 126         FA4_SET(FA4_MODE, __getattr_bm);
 127         FA4_SET(FA4_RAWDEV, __getattr_bm);
 128         FA4_SET(FA4_NUMLINKS, __getattr_bm);
 129         FA4_SET(FA4_OWNER, __getattr_bm);
 130         FA4_SET(FA4_OWNER_GROUP, __getattr_bm);
 131         FA4_SET(FA4_FILEID, __getattr_bm);
 132         FA4_SET(FA4_TIME_MODIFY, __getattr_bm);
 133         FA4_SET(FA4_TIME_ACCESS, __getattr_bm);
 134 /*        FA4_SET(FA4_TIME_CREATE, __getattr_bm);*/
 135
 136         FA4_SET(FA4_TYPE, __readdir_bm);
 137         FA4_SET(FA4_FSID, __readdir_bm);
 138         FA4_SET(FA4_FILEID, __readdir_bm);
 139 }
 140
 141 /*
 142  * Util
 143  */
 144
 145 uint32_t
 146 nfs_v4fileid4_to_fileid(uint64_t fid)
 147 {
 148         return ((uint32_t)((fid >> 32) | fid));
 149 }
 150
 151 void
 152 nfs_v4initcompound(struct nfs4_compound *cp)
 153 {
 154         bzero(cp, sizeof(*cp));
 155 }
 156
 157 /*
 158  * Build/dissect XDR buffer with a format string.
 159  *
 160  *    u - unsigned
 161  *    h - hyper
 162  *    s - stringlength, string
 163  *    k - skip length (bytes)
 164  *    a - arraylength, componentlenght, array
 165  *    o - opaque fix length
 166  *    O - opaque var length in bytes
 167  */
 168
 169 void
 170 nfsm_buildf_xx(struct mbuf **mb, caddr_t *bpos, char *fmt, ...)
 171 {
 172         uint32_t *tl, t1, len, uval;
 173         uint64_t hval;
 174         va_list args;
 175         char *p, *which;
 176
 177         va_start(args, fmt);
 178         for (which = fmt; *which != '\0'; which++)
 179                 switch (*which) {
 180                 case 'u':       /* Unsigned */
 181                         tl = nfsm_build_xx(NFSX_UNSIGNED, mb, bpos);
 182                         uval = va_arg(args, uint32_t);
 183                         *tl++ = txdr_unsigned(uval);
 184                         break;
 185                 case 'h':       /* Hyper */
 186                         tl = nfsm_build_xx(2 * NFSX_UNSIGNED, mb, bpos);
 187                         hval = va_arg(args, uint64_t);
 188                         txdr_hyper(hval, tl);
 189                         break;
 190                 case 'o':       /* Fixed-length opaque */
 191                         len = va_arg(args, uint32_t);
 192                         p = va_arg(args, char *);
 193                         tl = nfsm_build_xx(nfsm_rndup(len), mb, bpos);
 194                         bcopy(p, tl, len);
 195                         break;
 196                 case 'O':       /* Variable-length opaque */
 197                 case 's':       /* String */
 198                         len = va_arg(args, uint32_t);
 199                         p = va_arg(args, char *);
 200                         t1 = nfsm_strtom_xx(p, len, len, mb, bpos);
 201                         break;
 202                 case 'k':       /* Skip */
 203                         len = va_arg(args, uint32_t);
 204                         nfsm_build_xx(nfsm_rndup(len), mb, bpos);
 205                         break;
 206                 default:
 207                         panic("Invalid buildf string %s[%c]", fmt, *which);
 208                         break;
 209                 }
 210         va_end(args);
 211 }
 212
 213 int
 214 nfsm_dissectf_xx(struct mbuf **md, caddr_t *dpos, char *fmt, ...)
 215 {
 216         uint32_t *tl, t1, len, *uval;
 217         uint64_t *hval;
 218         va_list args;
 219         char *p, *which;
 220
 221         va_start(args, fmt);
 222         for (which = fmt; *which != '\0'; which++)
 223                 switch (*which) {
 224                 case 'u':       /* Unsigned */
 225                         tl = nfsm_dissect_xx(NFSX_UNSIGNED, md, dpos);
 226                         if (tl == NULL)
 227                                 return (EBADRPC);
 228                         uval = va_arg(args, uint32_t *);
 229                         *uval = fxdr_unsigned(uint32_t, *tl++);
 230                         break;
 231                 case 'h':       /* Hyper */
 232                         tl = nfsm_dissect_xx(2 * NFSX_UNSIGNED, md, dpos);
 233                         if (tl == NULL)
 234                                 return (EBADRPC);
 235                         hval = va_arg(args, uint64_t *);
 236                         *hval = fxdr_hyper(tl);
 237                         break;
 238                 case 'o':       /* Fixed-length opaque */
 239                         len = va_arg(args, uint32_t);
 240                         p = va_arg(args, void *);
 241                         tl = nfsm_dissect_xx(nfsm_rndup(len), md, dpos);
 242                         if (tl == NULL)
 243                                 return (EBADRPC);
 244                         bcopy(tl, p, len);
 245                         break;
 246                 case 'O':       /* Variable-length opaque */
 247                 case 's':       /* String */
 248                         len = va_arg(args, uint32_t);
 249                         p = va_arg(args, char *);
 250                         tl = nfsm_dissect_xx(nfsm_rndup(len), md, dpos);
 251                         if (tl == NULL)
 252                                 return (EBADRPC);
 253                         bcopy(tl, p, len);
 254                         break;
 255                 case 'k':       /* Skip bytes */
 256                         len = va_arg(args, uint32_t);
 257                         t1 = nfsm_adv_xx(nfsm_rndup(len), md, dpos);
 258                         break;
 259                 default:
 260                         panic("Invalid dissectf string %s[%c]", fmt, *which);
 261                         break;
 262                 }
 263         va_end(args);
 264
 265         return (0);
 266 }
 267
 268 /*
 269  * XXX - There are a few problems with the way the postops are places
 270  * in the code.  Ideally, they should be taken care of immediately, as
 271  * to avoid uneceesary waits for mutexes, but then we would be
 272  * introducing even more complexity by having to handle two separate
 273  * cases.  Also, since they are placed at the end of the vnops', there
 274  * may be operations which sleep in between, further extending this
 275  * wait.  It is conceivable that there is a deadlock condition there,
 276  * too.
 277  *
 278  * Also, for vnops that do multiple operations, it's inconvenient
 279  * since on error, individual decoding will got nfsmout.
 280  */
 281
 282 int
 283 nfs_v4postop(struct nfs4_compound *cp, int status)
 284 {
 285         struct nfs4_fctx *fcp = cp->fcp;
 286
 287         /*
 288          * XXX does the previous result need to be stores with the
 289          * lockowner?  ack, spec is unclear ..
 290          */
 291
 292         if (fcp != NULL)
 293                 if (cp->seqidused < cp->rep_nops ||
 294                     (cp->seqidused + 1 == cp->rep_nops &&
 295                         NFS4_SEQIDMUTATINGERROR(status)))
 296                         fcp->lop->lo_seqid++;
 297
 298         return (status);
 299 }
 300
 301 int
 302 nfs_v4handlestatus(int status, struct nfs4_compound *cp)
 303 {
 304         return (status);
 305 }
 306
 307 /*
 308  * Initial setup of compound.
 309  */
 310
 311 int
 312 nfsm_v4build_compound_xx(struct nfs4_compound *cp, char *tag,
 313     struct mbuf **mb, caddr_t *bpos)
 314 {
 315         uint32_t t1, *tl, siz;
 316
 317         /* Tag */
 318         siz = strlen(tag);
 319         t1 = nfsm_rndup(siz) + NFSX_UNSIGNED;
 320         if (t1 <= M_TRAILINGSPACE(*mb)) {
 321                 tl = nfsm_build_xx(t1, mb, bpos);
 322                 *tl++ = txdr_unsigned(siz);
 323                 *(tl + ((t1 >> 2) - 2)) = 0;
 324                 bcopy(tag, tl, siz);
 325         } else {
 326                 t1 = nfsm_strtmbuf(mb, bpos, (const char *)tag, siz);
 327                 if (t1 != 0)
 328                         return (t1);
 329         }
 330
 331         /* Minor version and argarray*/
 332         tl = nfsm_build_xx(2 * NFSX_UNSIGNED, mb, bpos);
 333         *tl++ = txdr_unsigned(NFS4_MINOR_VERSION);
 334         /* Save for backfill */
 335         cp->req_nopsp = tl;
 336         *tl = txdr_unsigned(0);
 337
 338         cp->curvp = NULL;
 339         cp->savevp = NULL;
 340
 341         return (0);
 342 }
 343
 344 /*
 345  * XXX
 346  * - backfill for stateid, and such
 347  */
 348 int
 349 nfsm_v4build_finalize_xx(struct nfs4_compound *cp, struct mbuf **mb, caddr_t *bpos)
 350 {
 351         *cp->req_nopsp = txdr_unsigned(cp->req_nops);
 352
 353         return (0);
 354 }
 355
 356 int
 357 nfsm_v4build_putfh_xx(struct nfs4_compound *cp, struct vnode *vp,
 358     struct mbuf **mb, caddr_t *bpos)
 359 {
 360         uint32_t t1;
 361
 362         /* Op */
 363         nfsm_buildf_xx(mb, bpos, "u", NFSV4OP_PUTFH);
 364
 365         /* FH */
 366         t1 = nfsm_fhtom_xx(vp, 1, mb, bpos);
 367         if (t1 != 0)
 368                 return (t1);
 369
 370         cp->req_nops++;
 371         cp->curvp = vp;
 372
 373         return (0);
 374 }
 375
 376 int
 377 nfsm_v4build_putfh_nv_xx(struct nfs4_compound *cp, struct nfs4_oparg_getfh *gfh,
 378     struct mbuf **mb, caddr_t *bpos)
 379 {
 380         nfsm_buildf_xx(mb, bpos, "uuo",
 381             NFSV4OP_PUTFH,
 382             gfh->fh_len,
 383             gfh->fh_len,
 384             &gfh->fh_val);
 385
 386         cp->req_nops++;
 387
 388         return (0);
 389 }
 390
 391 int
 392 nfsm_v4build_simple_xx(struct nfs4_compound *cp, uint32_t op,
 393     struct mbuf **mb, caddr_t *bpos)
 394 {
 395         nfsm_buildf_xx(mb, bpos, "u", op);
 396
 397         cp->req_nops++;
 398
 399         return (0);
 400 }
 401
 402 int
 403 nfsm_v4build_getattr_xx(struct nfs4_compound *cp, struct nfs4_oparg_getattr *ga,
 404     struct mbuf **mb, caddr_t *bpos)
 405 {
 406         int i;
 407
 408         /* Op + bitmap length + bitmap */
 409         nfsm_buildf_xx(mb, bpos, "uu", NFSV4OP_GETATTR, ga->bm->bmlen);
 410         for (i = 0; i < ga->bm->bmlen; i++)
 411                 nfsm_buildf_xx(mb, bpos, "u", ga->bm->bmval[i]);
 412
 413         ga->vp = cp->curvp;
 414         cp->req_nops++;
 415
 416         return (0);
 417 }
 418
 419 int
 420 nfsm_v4build_setattr_xx(struct nfs4_compound *cp, struct vattr *vap,
 421     struct nfs4_fctx *fcp, struct mbuf **mb, caddr_t *bpos)
 422 {
 423         int error;
 424
 425         nfsm_buildf_xx(mb, bpos, "uo",
 426             NFSV4OP_SETATTR,
 427             NFSX_V4STATEID, fcp->stateid);
 428         error = nfsm_v4build_attrs_xx(vap, mb, bpos);
 429         if (error == 0)
 430                 cp->req_nops++;
 431
 432         return (error);
 433 }
 434
 435 int
 436 nfsm_v4build_getfh_xx(struct nfs4_compound *cp, struct nfs4_oparg_getfh *gfh,
 437     struct mbuf **mb, caddr_t *bpos)
 438 {
 439         nfsm_buildf_xx(mb, bpos, "u", NFSV4OP_GETFH);
 440
 441         gfh->vp = cp->curvp;
 442         cp->req_nops++;
 443
 444         return (0);
 445 }
 446
 447 int
 448 nfsm_v4build_lookup_xx(struct nfs4_compound *cp, struct nfs4_oparg_lookup *l,
 449     struct mbuf **mb, caddr_t *bpos)
 450 {
 451         nfsm_buildf_xx(mb, bpos, "us", NFSV4OP_LOOKUP, l->namelen, l->name);
 452
 453         cp->curvp = l->vp;
 454         cp->req_nops++;
 455
 456         return (0);
 457 }
 458
 459 int
 460 nfsm_v4build_setclientid_xx(struct nfs4_compound *cp,
 461     struct nfs4_oparg_setclientid *sci, struct mbuf **mb, caddr_t *bpos)
 462 {
 463         struct timeval tv;
 464
 465         microtime(&tv);
 466
 467         nfsm_buildf_xx(mb, bpos, "uuusussu",
 468             NFSV4OP_SETCLIENTID,
 469             tv.tv_sec, tv.tv_usec,
 470             sci->namelen, sci->name,
 471             sci->cb_prog,
 472             sci->cb_netidlen, sci->cb_netid,
 473             sci->cb_univaddrlen, sci->cb_univaddr,
 474             0xCA11BACC);
 475
 476         cp->req_nops++;
 477
 478         return (0);
 479 }
 480
 481 int
 482 nfsm_v4build_setclientid_confirm_xx(struct nfs4_compound *cp,
 483     struct nfs4_oparg_setclientid *sci, struct mbuf **mb, caddr_t *bpos)
 484 {
 485         nfsm_buildf_xx(mb, bpos, "uho",
 486             NFSV4OP_SETCLIENTID_CONFIRM,
 487             sci->clientid,
 488             sizeof(sci->verf), sci->verf);
 489
 490         cp->req_nops++;
 491
 492         return (0);
 493 }
 494
 495 int
 496 nfsm_v4build_open_xx(struct nfs4_compound *cp, struct nfs4_oparg_open *op,
 497     struct mbuf **mb, caddr_t *bpos)
 498 {
 499         int error = 0;
 500         struct nfs4_lowner *lop = op->fcp->lop;
 501
 502         nfsm_buildf_xx(mb, bpos, "uuuuhuu",
 503             NFSV4OP_OPEN,
 504             lop->lo_seqid,
 505             op->flags & O_ACCMODE,
 506             NFSV4OPENSHARE_DENY_NONE,
 507             cp->nmp->nm_clientid,
 508             4, lop->lo_id);
 509
 510         if (op->flags & O_CREAT) {
 511                 nfsm_buildf_xx(mb, bpos, "u", OTCREATE);
 512                 /* openflag4: mode */
 513                 nfsm_buildf_xx(mb, bpos, "u", CMUNCHECKED);
 514                 /* openflag4: createattrs... */
 515                 if (op->vap != NULL) {
 516                         if (op->flags & O_TRUNC)
 517                                 op->vap->va_size = 0;
 518                         error = nfsm_v4build_attrs_xx(op->vap, mb, bpos);
 519                         if (error != 0)
 520                                 return (error);
 521                 } else
 522                         nfsm_buildf_xx(mb, bpos, "uu", 0, 0);
 523         } else
 524                 nfsm_buildf_xx(mb, bpos, "u", OTNOCREATE);
 525
 526         nfsm_buildf_xx(mb, bpos, "us", op->ctype,
 527             op->cnp->cn_namelen, op->cnp->cn_nameptr);
 528
 529         cp->seqidused = cp->req_nops++;
 530         cp->fcp = op->fcp;
 531
 532         return (error);
 533 }
 534
 535 /*
 536  * XXX
 537  * - Wait on recovery
 538  */
 539 int
 540 nfsm_v4build_open_confirm_xx(struct nfs4_compound *cp, struct nfs4_oparg_open *op,
 541     struct mbuf **mb, caddr_t *bpos)
 542 {
 543         nfsm_buildf_xx(mb, bpos, "uou",
 544             NFSV4OP_OPEN_CONFIRM,
 545             NFSX_V4STATEID, op->fcp->stateid,
 546             op->fcp->lop->lo_seqid);
 547
 548         cp->seqidused = cp->req_nops++;
 549         cp->fcp = op->fcp;
 550
 551         return (0);
 552 }
 553
 554 /*
 555  * XXX
 556  * - Wait on recovery
 557  */
 558 int
 559 nfsm_v4build_close_xx(struct nfs4_compound *cp, struct nfs4_fctx *fcp,
 560     struct mbuf **mb, caddr_t *bpos)
 561 {
 562         struct nfs4_lowner *lop = fcp->lop;
 563
 564         nfsm_buildf_xx(mb, bpos, "uuo",
 565             NFSV4OP_CLOSE,
 566             lop->lo_seqid,
 567             NFSX_V4STATEID, fcp->stateid);
 568
 569         cp->seqidused = cp->req_nops++;
 570         cp->fcp = fcp;
 571
 572         return (0);
 573 }
 574
 575 int
 576 nfsm_v4build_access_xx(struct nfs4_compound *cp, struct nfs4_oparg_access *acc,
 577     struct mbuf **mb, caddr_t *bpos)
 578 {
 579         nfsm_buildf_xx(mb, bpos, "uu", NFSV4OP_ACCESS, acc->mode);
 580         cp->req_nops++;
 581
 582         return (0);
 583 }
 584
 585 int
 586 nfsm_v4build_read_xx(struct nfs4_compound *cp, struct nfs4_oparg_read *r,
 587     struct mbuf **mb, caddr_t *bpos)
 588 {
 589         nfsm_buildf_xx(mb, bpos, "uohu",
 590             NFSV4OP_READ,
 591             NFSX_V4STATEID, r->fcp->stateid,
 592             r->off,
 593             r->maxcnt);
 594         cp->req_nops++;
 595
 596         return (0);
 597 }
 598
 599 int
 600 nfsm_v4build_write_xx(struct nfs4_compound *cp, struct nfs4_oparg_write *w,
 601     struct mbuf **mb, caddr_t *bpos)
 602 {
 603         nfsm_buildf_xx(mb, bpos, "uohuu",
 604             NFSV4OP_WRITE,
 605             NFSX_V4STATEID, w->fcp->stateid,
 606             w->off,
 607             w->stable,
 608             w->cnt);
 609         cp->req_nops++;
 610         return (nfsm_uiotombuf(w->uiop, mb, w->cnt, bpos));
 611 }
 612
 613 int
 614 nfsm_v4build_commit_xx(struct nfs4_compound *cp, struct nfs4_oparg_commit *c,
 615     struct mbuf **mb, caddr_t *bpos)
 616 {
 617         nfsm_buildf_xx(mb, bpos, "uhu", NFSV4OP_COMMIT, c->start, c->len);
 618         cp->req_nops++;
 619
 620         return (0);
 621 }
 622
 623 int
 624 nfsm_v4build_readdir_xx(struct nfs4_compound *cp, struct nfs4_oparg_readdir *r,
 625     struct mbuf **mb, caddr_t *bpos)
 626 {
 627         int i;
 628
 629         nfsm_buildf_xx(mb, bpos, "uhouuu",
 630             NFSV4OP_READDIR,
 631             r->cookie,
 632             sizeof(r->verf), r->verf,
 633             r->cnt >> 4,        /* meaningless "dircount" field */
 634             r->cnt,
 635             r->bm->bmlen);
 636
 637         for (i = 0; i < r->bm->bmlen; i++)
 638                 nfsm_buildf_xx(mb, bpos, "u", r->bm->bmval[i]);
 639
 640         cp->req_nops++;
 641
 642         return (0);
 643 }
 644
 645 int
 646 nfsm_v4build_renew_xx(struct nfs4_compound *cp, uint64_t cid,
 647     struct mbuf **mb, caddr_t *bpos)
 648 {
 649         nfsm_buildf_xx(mb, bpos, "uh", NFSV4OP_RENEW, cid);
 650         cp->req_nops++;
 651
 652         return (0);
 653 }
 654
 655 int
 656 nfsm_v4build_create_xx(struct nfs4_compound *cp, struct nfs4_oparg_create *c,
 657     struct mbuf **mb, caddr_t *bpos)
 658 {
 659         uint32_t t1;
 660
 661         nfsm_buildf_xx(mb, bpos, "uu", NFSV4OP_CREATE, c->type);
 662
 663         if (c->type == NFLNK)
 664                 /* XXX strlen */
 665                 nfsm_buildf_xx(mb, bpos, "s", strlen(c->linktext), c->linktext);
 666         else if (c->type == NFCHR || c->type == NFBLK)
 667                 nfsm_buildf_xx(mb, bpos, "uu",
 668                     umajor(c->vap->va_rdev), uminor(c->vap->va_rdev));
 669
 670         /* Name */
 671         nfsm_buildf_xx(mb, bpos, "s", c->namelen, c->name);
 672
 673         /* Attributes */
 674         t1 = nfsm_v4build_attrs_xx(c->vap, mb, bpos);
 675         if (t1 != 0)
 676                 return (t1);
 677
 678         cp->req_nops++;
 679
 680         return (0);
 681 }
 682
 683 int
 684 nfsm_v4build_rename_xx(struct nfs4_compound *cp, struct nfs4_oparg_rename *r,
 685     struct mbuf **mb, caddr_t *bpos)
 686 {
 687         nfsm_buildf_xx(mb, bpos, "uss", NFSV4OP_RENAME, r->fnamelen, r->fname,
 688             r->tnamelen, r->tname);
 689
 690         cp->req_nops++;
 691
 692         return (0);
 693 }
 694
 695 int
 696 nfsm_v4build_link_xx(struct nfs4_compound *cp, struct nfs4_oparg_link *l,
 697     struct mbuf **mb, caddr_t *bpos)
 698 {
 699         nfsm_buildf_xx(mb, bpos, "us", NFSV4OP_LINK, l->namelen, l->name);
 700
 701         cp->req_nops++;
 702
 703         return (0);
 704 }
 705
 706 int
 707 nfsm_v4build_remove_xx(struct nfs4_compound *cp, const char *name, u_int namelen,
 708     struct mbuf **mb, caddr_t *bpos)
 709 {
 710         nfsm_buildf_xx(mb, bpos, "us", NFSV4OP_REMOVE, namelen, name);
 711
 712         cp->req_nops++;
 713
 714         return (0);
 715 }
 716
 717 int
 718 nfsm_v4build_attrs_xx(struct vattr *vap, struct mbuf **mb, caddr_t *bpos)
 719 {
 720         uint32_t *tl, *attrlenp, *bmvalp, len;
 721         size_t siz;
 722
 723         tl = nfsm_build_xx(4 * NFSX_UNSIGNED, mb, bpos);
 724
 725         *tl++ = txdr_unsigned(2);    /* bitmap length */
 726         bmvalp = tl;
 727         bzero(bmvalp, 8);
 728         tl += 2;
 729         attrlenp = tl;
 730
 731         len = 0;
 732         if (vap->va_size != VNOVAL) {
 733                 tl = nfsm_build_xx(2 * NFSX_UNSIGNED, mb, bpos);
 734                 FA4_SET(FA4_SIZE, bmvalp);
 735                 txdr_hyper(vap->va_size, tl); tl += 2;
 736                 len += 2 * NFSX_UNSIGNED;
 737         }
 738         if (vap->va_mode != (u_short)VNOVAL) {
 739                 tl = nfsm_build_xx(NFSX_UNSIGNED, mb, bpos);
 740                 FA4_SET(FA4_MODE, bmvalp);
 741                 *tl++ = txdr_unsigned(vap->va_mode);
 742                 len += NFSX_UNSIGNED;
 743         }
 744         if (vap->va_uid != VNOVAL) {
 745                 int error;
 746                 char *name;
 747                 error = idmap_uid_to_name(vap->va_uid, &name, &siz);
 748                 if (error || name == NULL || siz == 0) {
 749                         /* XXX */
 750                         siz = sizeof("nobody") - 1;
 751                         tl = nfsm_build_xx(NFSX_UNSIGNED + nfsm_rndup(siz), mb,
 752                             bpos);
 753                         *tl++ = txdr_unsigned(siz);
 754                         bcopy("nobody", tl, siz);
 755                         len += NFSX_UNSIGNED + nfsm_rndup(siz);
 756                 } else {
 757                         tl = nfsm_build_xx(NFSX_UNSIGNED + nfsm_rndup(siz), mb,
 758                             bpos);
 759                         *tl++ = txdr_unsigned(siz);
 760                         bcopy(name, tl, siz);
 761                         len += NFSX_UNSIGNED + nfsm_rndup(siz);
 762                 }
 763                 FA4_SET(FA4_OWNER, bmvalp);
 764         }
 765         if (vap->va_gid != VNOVAL) {
 766                 int error;
 767                 char *name;
 768                 error = idmap_gid_to_name(vap->va_gid, &name, &siz);
 769                 if (error || name == NULL || siz == 0) {
 770                         /* XXX */
 771                         siz = sizeof("nogroup") - 1;
 772                         tl = nfsm_build_xx(NFSX_UNSIGNED + nfsm_rndup(siz), mb,
 773                             bpos);
 774                         *tl++ = txdr_unsigned(siz);
 775                         bcopy("nogroup", tl, siz);
 776                         len += NFSX_UNSIGNED + nfsm_rndup(siz);
 777                 } else {
 778                         tl = nfsm_build_xx(NFSX_UNSIGNED + nfsm_rndup(siz), mb,
 779                             bpos);
 780                         *tl++ = txdr_unsigned(siz);
 781                         bcopy(name, tl, siz);
 782                         len += NFSX_UNSIGNED + nfsm_rndup(siz);
 783                 }
 784                 FA4_SET(FA4_OWNER_GROUP, bmvalp);
 785         }
 786         if (vap->va_atime.tv_sec != VNOVAL) {
 787                 uint64_t val = vap->va_atime.tv_sec;
 788                 tl = nfsm_build_xx(4 * NFSX_UNSIGNED, mb, bpos);
 789                 FA4_SET(FA4_TIME_ACCESS_SET, bmvalp);
 790                 *tl++ = txdr_unsigned(THCLIENTTIME);
 791                 txdr_hyper(val, tl); tl += 2;
 792                 *tl++ = txdr_unsigned(vap->va_atime.tv_nsec);
 793                 len += 4 * NFSX_UNSIGNED;
 794         }
 795         if (vap->va_mtime.tv_sec != VNOVAL) {
 796                 uint64_t val = vap->va_mtime.tv_sec;
 797                 tl = nfsm_build_xx(4 * NFSX_UNSIGNED, mb, bpos);
 798                 FA4_SET(FA4_TIME_MODIFY_SET, bmvalp);
 799                 *tl++ = txdr_unsigned(THCLIENTTIME);
 800                 txdr_hyper(val, tl); tl += 2;
 801                 *tl++ = txdr_unsigned(vap->va_mtime.tv_nsec);
 802                 len += 4 * NFSX_UNSIGNED;
 803         }
 804
 805         bmvalp[0] = txdr_unsigned(bmvalp[0]);
 806         bmvalp[1] = txdr_unsigned(bmvalp[1]);
 807
 808         *attrlenp = txdr_unsigned(len);
 809
 810         return (0);
 811 }
 812
 813 int
 814 nfsm_v4dissect_compound_xx(struct nfs4_compound *cp, struct mbuf **md, caddr_t *dpos)
 815 {
 816         uint32_t taglen, t1, *tl;
 817
 818         tl = nfsm_dissect_xx(NFSX_UNSIGNED, md, dpos);
 819         if (tl == NULL)
 820                 return (EBADRPC);
 821
 822         /* Reply status is handled by the RPC code */
 823
 824         taglen = fxdr_unsigned(uint32_t, *tl++);
 825         t1 = nfsm_adv_xx(nfsm_rndup(taglen), md, dpos);
 826         if (t1 != 0)
 827                 return (EBADRPC);
 828
 829         tl = nfsm_dissect_xx(NFSX_UNSIGNED, md, dpos);
 830         if (tl == NULL)
 831                 return (EBADRPC);
 832
 833         cp->rep_nops = fxdr_unsigned(uint32_t, *tl++);
 834
 835         return (0);
 836 }
 837
 838 int
 839 nfsm_v4dissect_simple_xx(struct nfs4_compound *cp, uint32_t op,
 840     uint32_t skipbytes, struct mbuf **md, caddr_t *dpos)
 841 {
 842         uint32_t t1, dop, status;
 843
 844         t1 = nfsm_dissectf_xx(md, dpos, "uu", &dop, &status);
 845         if (t1 != 0)
 846                 return (t1);
 847
 848         if (dop != op || status != 0)
 849                 return (EBADRPC);
 850
 851         if (skipbytes > 0)
 852                 NFSM_ADV(nfsm_rndup(skipbytes));
 853
 854         return (0);
 855 }
 856
 857 int
 858 nfsm_v4dissect_getattr_xx(struct nfs4_compound *cp, struct nfs4_oparg_getattr *ga,
 859     struct mbuf **md, caddr_t *dpos)
 860 {
 861         uint32_t *tl;
 862
 863         tl = nfsm_dissect_xx(2 * NFSX_UNSIGNED, md, dpos);
 864         if (tl == NULL || fxdr_unsigned(uint32_t, *tl++) != NFSV4OP_GETATTR ||
 865             *tl++ != 0)
 866                 return (EBADRPC);
 867
 868         return (nfsm_v4dissect_attrs_xx(&ga->fa, md, dpos));
 869 }
 870
 871 int
 872 nfsm_v4dissect_setattr_xx(struct nfs4_compound *cp, struct mbuf **md, caddr_t *dpos)
 873 {
 874         uint32_t t1, op, bmlen, status;
 875
 876         t1 = nfsm_dissectf_xx(md, dpos, "uu", &op, &status);
 877         if (t1 != 0)
 878                 return (t1);
 879
 880         if (op != NFSV4OP_SETATTR || status != 0)
 881                 return (EBADRPC);
 882
 883         t1 = nfsm_dissectf_xx(md, dpos, "u", &bmlen);
 884         if (t1 != 0)
 885                 return (t1);
 886
 887         return (nfsm_dissectf_xx(md, dpos, "k", bmlen << 2));
 888 }
 889
 890 int
 891 nfsm_v4dissect_getfh_xx(struct nfs4_compound *cp, struct nfs4_oparg_getfh *gfh,
 892     struct mbuf **md, caddr_t *dpos)
 893 {
 894         uint32_t *tl, len, xdrlen;
 895
 896         tl = nfsm_dissect_xx(2 * NFSX_UNSIGNED, md, dpos);
 897         if (tl == NULL || fxdr_unsigned(uint32_t, *tl++) != NFSV4OP_GETFH)
 898                 return (EBADRPC);
 899
 900         if (*tl++ != 0)
 901                 return (EBADRPC);
 902
 903         NFSM_DISSECT(NFSX_UNSIGNED);
 904         len = fxdr_unsigned(uint32_t, *tl++);
 905         if (len > NFSX_V4FH)
 906                 return (EBADRPC);
 907
 908         /* XXX integrate this into nfs_mtofh()? */
 909
 910         gfh->fh_len = len;
 911         xdrlen = nfsm_rndup(len);
 912
 913         NFSM_DISSECT(xdrlen);
 914         bcopy(tl, &gfh->fh_val, xdrlen);
 915
 916         return (0);
 917 }
 918
 919 int
 920 nfsm_v4dissect_setclientid_xx(struct nfs4_compound *cp,
 921     struct nfs4_oparg_setclientid *sci, struct mbuf **md, caddr_t *dpos)
 922 {
 923         uint32_t *tl;
 924
 925         tl = nfsm_dissect_xx(2 * NFSX_UNSIGNED, md, dpos);
 926         if (tl == NULL || fxdr_unsigned(uint32_t, *tl++) != NFSV4OP_SETCLIENTID)
 927                 return (EBADRPC);
 928
 929         /* Handle NFS4ERR_CLID_INUSE specially */
 930         if (*tl++ != 0)
 931                 return (EBADRPC);
 932
 933         NFSM_DISSECT(2 * NFSX_UNSIGNED);
 934         sci->clientid = fxdr_hyper(tl);
 935
 936         NFSM_DISSECT(nfsm_rndup(NFSX_V4VERF));
 937         bcopy(tl, sci->verf, NFSX_V4VERF);
 938
 939         return (0);
 940 }
 941
 942 int
 943 nfsm_v4dissect_close_xx(struct nfs4_compound *cp, struct nfs4_fctx *fcp,
 944     struct mbuf **md, caddr_t *dpos)
 945 {
 946         uint32_t *tl, t1;
 947
 948         tl = nfsm_dissect_xx(2 * NFSX_UNSIGNED, md, dpos);
 949         if (tl == NULL || fxdr_unsigned(uint32_t, *tl++) != NFSV4OP_CLOSE ||
 950             *tl++ != 0)
 951                 return (EBADRPC);
 952
 953         /* Copy stateid */
 954         t1 = nfsm_dissectf_xx(md, dpos, "o", NFSX_V4STATEID, fcp->stateid);
 955         if (t1 != 0)
 956                 return (t1);
 957
 958         return (0);
 959 }
 960
 961 int
 962 nfsm_v4dissect_access_xx(struct nfs4_compound *cp, struct nfs4_oparg_access *acc,
 963     struct mbuf **md, caddr_t *dpos)
 964 {
 965         uint32_t *tl;
 966
 967         tl = nfsm_dissect_xx(4 * NFSX_UNSIGNED, md, dpos);
 968         if (tl == NULL || fxdr_unsigned(uint32_t, *tl++) != NFSV4OP_ACCESS ||
 969             *tl++ != 0)
 970                 return (EBADRPC);
 971
 972         acc->supported = fxdr_unsigned(uint32_t, *tl++);
 973         acc->rmode = fxdr_unsigned(uint32_t, *tl++);
 974
 975         return (0);
 976 }
 977
 978 int
 979 nfsm_v4dissect_open_xx(struct nfs4_compound *cp, struct nfs4_oparg_open *op,
 980     struct mbuf **md, caddr_t *dpos)
 981 {
 982         uint32_t *tl, t1, bmlen, delegtype = ODNONE;
 983         int error = 0;
 984         nfsv4changeinfo cinfo;
 985         struct nfs4_fctx *fcp = op->fcp;
 986
 987         tl = nfsm_dissect_xx(2 * NFSX_UNSIGNED, md, dpos);
 988         if (tl == NULL || fxdr_unsigned(uint32_t, *tl++) != NFSV4OP_OPEN ||
 989             *tl++ != 0)
 990                 return (EBADRPC);
 991
 992         t1 = nfsm_dissectf_xx(md, dpos, "o", NFSX_V4STATEID, fcp->stateid);
 993         if (t1 != 0)
 994                 return (t1);
 995
 996         error = nfsm_v4dissect_changeinfo_xx(&cinfo, md, dpos);
 997         if (error != 0)
 998                 goto nfsmout;
 999
1000         NFSM_DISSECT(2 * NFSX_UNSIGNED);
1001
1002         op->rflags = fxdr_unsigned(uint32_t, *tl++);
1003         bmlen = fxdr_unsigned(uint32_t, *tl++);
1004         if (bmlen > 2) {
1005                 error = EBADRPC;
1006                 goto nfsmout;
1007         }
1008
1009         /* Skip */
1010         NFSM_ADV(nfsm_rndup(bmlen << 2));
1011
1012         NFSM_DISSECT(NFSX_UNSIGNED);
1013         delegtype = fxdr_unsigned(uint32_t, *tl++);
1014         switch (delegtype) {
1015         case ODREAD:
1016         case ODWRITE:
1017                 printf("nfs4: client delegation not yet supported\n");
1018                 error = EOPNOTSUPP;
1019                 goto nfsmout;
1020                 break;
1021         case ODNONE:
1022         default:
1023                 break;
1024         }
1025
1026  nfsmout:
1027         return (error);
1028 }
1029
1030 int
1031 nfsm_v4dissect_open_confirm_xx(struct nfs4_compound *cp, struct nfs4_oparg_open *op,
1032     struct mbuf **md, caddr_t *dpos)
1033 {
1034         uint32_t *tl;
1035
1036         tl = nfsm_dissect_xx(2 * NFSX_UNSIGNED, md, dpos);
1037         if (tl == NULL || fxdr_unsigned(uint32_t, *tl++) != NFSV4OP_OPEN_CONFIRM ||
1038             *tl++ != 0)
1039                 return (EBADRPC);
1040
1041         return nfsm_dissectf_xx(md, dpos, "o", NFSX_V4STATEID, op->fcp->stateid);
1042 }
1043
1044 int
1045 nfsm_v4dissect_read_xx(struct nfs4_compound *cp, struct nfs4_oparg_read *r,
1046     struct mbuf **md, caddr_t *dpos)
1047 {
1048         uint32_t op, status, t1;
1049
1050         t1 = nfsm_dissectf_xx(md, dpos, "uu", &op, &status);
1051         if (t1 != 0)
1052                 return (t1);
1053
1054         if (op != NFSV4OP_READ || status != 0)
1055                 return (EBADRPC);
1056
1057         t1 = nfsm_dissectf_xx(md, dpos, "uu", &r->eof, &r->retlen);
1058         if (t1 != 0)
1059                 return (t1);
1060
1061         return (nfsm_mbuftouio(md, r->uiop, r->retlen, dpos));
1062 }
1063
1064 int
1065 nfsm_v4dissect_write_xx(struct nfs4_compound *cp, struct nfs4_oparg_write *w,
1066     struct mbuf **md, caddr_t *dpos)
1067 {
1068         uint32_t op, status, t1;
1069
1070         t1 = nfsm_dissectf_xx(md, dpos, "uu", &op, &status);
1071         if (t1 != 0)
1072                 return (t1);
1073
1074         if (op != NFSV4OP_WRITE || status != 0)
1075                 return (EBADRPC);
1076
1077         return (nfsm_dissectf_xx(md, dpos, "uuo", &w->retlen, &w->committed,
1078                     NFSX_V4VERF, w->wverf));
1079 }
1080
1081 int
1082 nfsm_v4dissect_commit_xx(struct nfs4_compound *cp, struct nfs4_oparg_commit *c,
1083     struct mbuf **md, caddr_t *dpos)
1084 {
1085         uint32_t t1, op, status;
1086
1087         t1 = nfsm_dissectf_xx(md, dpos, "uu", &op, &status);
1088         if (t1 != 0)
1089                 return (t1);
1090
1091         if (op != NFSV4OP_COMMIT || status != 0)
1092                 return (EBADRPC);
1093
1094         return (nfsm_dissectf_xx(md, dpos, "o", NFSX_V4VERF, c->verf));
1095 }
1096
1097 int
1098 nfsm_v4dissect_create_xx(struct nfs4_compound *cp, struct nfs4_oparg_create *c,
1099     struct mbuf **md, caddr_t *dpos)
1100 {
1101         uint32_t t1, *tl, op, status, bmlen;
1102         nfsv4changeinfo ci;
1103
1104         t1 = nfsm_dissectf_xx(md, dpos, "uu", &op, &status);
1105         if (t1 != 0)
1106                 return (t1);
1107
1108         if (op != NFSV4OP_CREATE || status != 0)
1109                 return (EBADRPC);
1110
1111         /* Just throw this away for now */
1112         t1 = nfsm_v4dissect_changeinfo_xx(&ci, md, dpos);
1113         if (t1 != 0)
1114                 return (t1);
1115
1116         /* Throw this away too */
1117         NFSM_DISSECT(NFSX_UNSIGNED);
1118         bmlen = fxdr_unsigned(uint32_t, *tl++);
1119         NFSM_DISSECT(bmlen * NFSX_UNSIGNED);
1120         tl += bmlen;
1121
1122         return 0;
1123 }
1124
1125 int
1126 nfsm_v4dissect_readlink_xx(struct nfs4_compound *cp, struct uio *uiop,
1127     struct mbuf **md, caddr_t *dpos)
1128 {
1129         uint32_t t1, *tl, op, status, linklen;
1130
1131         t1 = nfsm_dissectf_xx(md, dpos, "uu", &op, &status);
1132         if (t1 != 0)
1133                 return (t1);
1134
1135         if (op != NFSV4OP_READLINK || status != 0)
1136                 return (EBADRPC);
1137
1138         /* Do this one manually for careful checking of sizes. */
1139         NFSM_DISSECT(NFSX_UNSIGNED);
1140         linklen = fxdr_unsigned(uint32_t, *tl++);
1141         if (linklen <= 0)
1142                 return (EBADRPC);
1143
1144         return (nfsm_mbuftouio(md, uiop, MIN(linklen, uiop->uio_resid), dpos));
1145 }
1146
1147 int
1148 nfsm_v4dissect_changeinfo_xx(nfsv4changeinfo *ci,
1149     struct mbuf **md, caddr_t *dpos)
1150 {
1151         uint32_t *tl;
1152
1153         NFSM_DISSECT(5 * NFSX_UNSIGNED);
1154
1155         ci->ciatomic = fxdr_unsigned(uint32_t, *tl++);
1156         ci->cibefore = fxdr_hyper(tl); tl += 2;
1157         ci->ciafter = fxdr_hyper(tl); tl += 2;
1158
1159         return (0);
1160 }
1161
1162 int
1163 nfsm_v4dissect_attrs_xx(struct nfsv4_fattr *fa, struct mbuf **md, caddr_t *dpos)
1164 {
1165         uint32_t t1, *tl, bmlen, bmval[2], attrlen, len = 0;
1166
1167         /* Bitmap length + value */
1168         NFSM_DISSECT(NFSX_UNSIGNED);
1169
1170         bmlen = fxdr_unsigned(uint32_t, *tl++);
1171         if (bmlen > 2)
1172                 return (EBADRPC);
1173
1174         if (bmlen == 0)
1175                 return (0);
1176
1177         NFSM_DISSECT(nfsm_rndup(bmlen << 2) + NFSX_UNSIGNED);
1178
1179         bmval[0] = bmlen > 0 ? fxdr_unsigned(uint32_t, *tl++) : 0;
1180         bmval[1] = bmlen > 1 ? fxdr_unsigned(uint32_t, *tl++) : 0;
1181
1182         /* Attribute length */
1183         attrlen = fxdr_unsigned(uint32_t, *tl++);
1184
1185         /*
1186          * XXX check for correct (<=) attributes mask return from
1187          * server.  need to pass this in.
1188          */
1189
1190         if (FA4_ISSET(FA4_TYPE, bmval)) {
1191                 /* overflow check */
1192                 NFSM_DISSECT(NFSX_UNSIGNED);
1193                 fa->fa4_type = fxdr_unsigned(uint32_t, *tl++);
1194                 fa->fa4_valid |= FA4V_TYPE;
1195                 len += NFSX_UNSIGNED;
1196         }
1197         if (FA4_ISSET(FA4_CHANGE, bmval)) {
1198                 NFSM_DISSECT(2 * NFSX_UNSIGNED);
1199                 fa->fa4_changeid = fxdr_hyper(tl);
1200                 fa->fa4_valid |= FA4V_CHANGEID;
1201                 len += 2 * NFSX_UNSIGNED;
1202         }
1203         if (FA4_ISSET(FA4_SIZE, bmval)) {
1204                 NFSM_DISSECT(2 * NFSX_UNSIGNED);
1205                 fa->fa4_size = fxdr_hyper(tl);
1206                 fa->fa4_valid |= FA4V_SIZE;
1207                 len += 2 * NFSX_UNSIGNED;
1208         }
1209         if (FA4_ISSET(FA4_FSID, bmval)) {
1210                 NFSM_DISSECT(4 * NFSX_UNSIGNED);
1211                 fa->fa4_fsid_major = fxdr_hyper(tl); tl += 2;
1212                 fa->fa4_fsid_minor = fxdr_hyper(tl);
1213                 fa->fa4_valid |= FA4V_SIZE;
1214                 len += 4 * NFSX_UNSIGNED;
1215         }
1216         if (FA4_ISSET(FA4_LEASE_TIME, bmval)) {
1217                 NFSM_DISSECT(NFSX_UNSIGNED);
1218                 fa->fa4_lease_time = fxdr_unsigned(uint32_t, *tl++);
1219                 fa->fa4_valid |= FA4V_LEASE_TIME;
1220                 len += NFSX_UNSIGNED;
1221         }
1222         if (FA4_ISSET(FA4_FILEID, bmval)) {
1223                 NFSM_DISSECT(2 * NFSX_UNSIGNED);
1224                 fa->fa4_fileid = fxdr_hyper(tl);
1225                 fa->fa4_valid |= FA4V_FILEID;
1226                 len += 2 * NFSX_UNSIGNED;
1227         }
1228         if (FA4_ISSET(FA4_FILES_FREE, bmval)) {
1229                 NFSM_DISSECT(2 * NFSX_UNSIGNED);
1230                 fa->fa4_ffree = fxdr_hyper(tl);
1231                 fa->fa4_valid |= FA4V_FFREE;
1232                 len += 2 * NFSX_UNSIGNED;
1233         }
1234         if (FA4_ISSET(FA4_FILES_TOTAL, bmval)) {
1235                 NFSM_DISSECT(2 * NFSX_UNSIGNED);
1236                 fa->fa4_ftotal = fxdr_hyper(tl);
1237                 fa->fa4_valid |= FA4V_FTOTAL;
1238                 len += 2 * NFSX_UNSIGNED;
1239         }
1240         if (FA4_ISSET(FA4_MAXFILESIZE, bmval)) {
1241                 NFSM_DISSECT(2 * NFSX_UNSIGNED);
1242                 fa->fa4_maxfilesize = fxdr_hyper(tl);
1243                 fa->fa4_valid |= FA4V_MAXFILESIZE;
1244                 len += 2 * NFSX_UNSIGNED;
1245         }
1246         if (FA4_ISSET(FA4_MAXNAME, bmval)) {
1247                 NFSM_DISSECT(NFSX_UNSIGNED);
1248                 fa->fa4_maxname = fxdr_unsigned(uint32_t, *tl++);
1249                 fa->fa4_valid |= FA4V_MAXNAME;
1250                 len += NFSX_UNSIGNED;
1251         }
1252         if (FA4_ISSET(FA4_MAXREAD, bmval)) {
1253                 NFSM_DISSECT(2 * NFSX_UNSIGNED);
1254                 fa->fa4_maxread = fxdr_hyper(tl);
1255                 fa->fa4_valid |= FA4V_MAXREAD;
1256                 len += 2 * NFSX_UNSIGNED;
1257         }
1258         if (FA4_ISSET(FA4_MAXWRITE, bmval)) {
1259                 NFSM_DISSECT(2 * NFSX_UNSIGNED);
1260                 fa->fa4_maxwrite = fxdr_hyper(tl);
1261                 fa->fa4_valid |= FA4V_MAXWRITE;
1262                 len += 2 * NFSX_UNSIGNED;
1263         }
1264
1265         if (FA4_ISSET(FA4_MODE, bmval)) {
1266                 NFSM_DISSECT(NFSX_UNSIGNED);
1267                 fa->fa4_mode = fxdr_unsigned(mode_t, *tl++);
1268                 fa->fa4_valid |= FA4V_MODE;
1269                 len += NFSX_UNSIGNED;
1270         }
1271         if (FA4_ISSET(FA4_NUMLINKS, bmval)) {
1272                 NFSM_DISSECT(NFSX_UNSIGNED);
1273                 fa->fa4_nlink = fxdr_unsigned(nlink_t, *tl++);
1274                 fa->fa4_valid |= FA4V_NLINK;
1275                 len += NFSX_UNSIGNED;
1276         }
1277         if (FA4_ISSET(FA4_OWNER, bmval)) {
1278                 uint32_t ownerlen;
1279                 int error;
1280
1281                 NFSM_DISSECT(NFSX_UNSIGNED);
1282
1283                 ownerlen = fxdr_unsigned(uint32_t, *tl++);
1284                 NFSM_DISSECT(nfsm_rndup(ownerlen));
1285                 error = idmap_name_to_uid((char *)tl, ownerlen, &fa->fa4_uid);
1286                 if (error)
1287                         fa->fa4_uid = -2;
1288                 fa->fa4_valid |= FA4V_UID;
1289                 len += NFSX_UNSIGNED + nfsm_rndup(ownerlen);
1290         }
1291         if (FA4_ISSET(FA4_OWNER_GROUP, bmval)) {
1292                 uint32_t ownergrouplen;
1293                 int error;
1294
1295                 NFSM_DISSECT(NFSX_UNSIGNED);
1296                 ownergrouplen = fxdr_unsigned(uint32_t, *tl++);
1297                 NFSM_DISSECT(nfsm_rndup(ownergrouplen));
1298                 error = idmap_name_to_gid((char *)tl, ownergrouplen, &fa->fa4_gid);
1299                 if (error)
1300                         fa->fa4_gid = -2;
1301                 fa->fa4_valid |= FA4V_GID;
1302                 len += NFSX_UNSIGNED + nfsm_rndup(ownergrouplen);
1303         }
1304         if (FA4_ISSET(FA4_RAWDEV, bmval)) {
1305                 NFSM_DISSECT(2 * NFSX_UNSIGNED);
1306                 fa->fa4_rdev_major = fxdr_unsigned(uint32_t, *tl++);
1307                 fa->fa4_rdev_minor = fxdr_unsigned(uint32_t, *tl++);
1308                 fa->fa4_valid |= FA4V_RDEV;
1309                 len += 2 * NFSX_UNSIGNED;
1310         }
1311         if (FA4_ISSET(FA4_SPACE_AVAIL, bmval)) {
1312                 NFSM_DISSECT(2 * NFSX_UNSIGNED);
1313                 fa->fa4_savail = fxdr_hyper(tl);
1314                 fa->fa4_valid |= FA4V_SAVAIL;
1315                 len += 2 * NFSX_UNSIGNED;
1316         }
1317         if (FA4_ISSET(FA4_SPACE_FREE, bmval)) {
1318                 NFSM_DISSECT(2 * NFSX_UNSIGNED);
1319                 fa->fa4_sfree = fxdr_hyper(tl);
1320                 fa->fa4_valid |= FA4V_SFREE;
1321                 len += 2 * NFSX_UNSIGNED;
1322         }
1323         if (FA4_ISSET(FA4_SPACE_TOTAL, bmval)) {
1324                 NFSM_DISSECT(2 * NFSX_UNSIGNED);
1325                 fa->fa4_stotal = fxdr_hyper(tl);
1326                 fa->fa4_valid |= FA4V_STOTAL;
1327                 len += 2 * NFSX_UNSIGNED;
1328         }
1329         if (FA4_ISSET(FA4_SPACE_USED, bmval)) {
1330                 NFSM_ADV(2 * NFSX_UNSIGNED);
1331                 len += 2 * NFSX_UNSIGNED;
1332         }
1333         if (FA4_ISSET(FA4_TIME_ACCESS, bmval)) {
1334                 NFSM_MTOTIME(fa->fa4_atime);
1335                 fa->fa4_valid |= FA4V_ATIME;
1336                 len += 3 * NFSX_UNSIGNED;
1337         }
1338         if (FA4_ISSET(FA4_TIME_CREATE, bmval)) {
1339                 NFSM_MTOTIME(fa->fa4_ctime);
1340                 fa->fa4_valid |= FA4V_CTIME;
1341                 len += 3 * NFSX_UNSIGNED;
1342         }
1343         if (FA4_ISSET(FA4_TIME_MODIFY, bmval)) {
1344                 NFSM_MTOTIME(fa->fa4_mtime);
1345                 fa->fa4_valid |= FA4V_MTIME;
1346                 len += 3 * NFSX_UNSIGNED;
1347         }
1348
1349         if (len != attrlen)
1350                 return (EBADRPC);
1351
1352         return (0);
1353 }