source3/smbd/vfs.c

   1 /*
   2    Unix SMB/Netbios implementation.
   3    Version 1.9.
   4    VFS initialisation and support functions
   5    Copyright (C) Tim Potter 1999
   6    Copyright (C) Alexander Bokovoy 2002
   7    Copyright (C) James Peach 2006
   8    Copyright (C) Volker Lendecke 2009
   9
  10    This program is free software; you can redistribute it and/or modify
  11    it under the terms of the GNU General Public License as published by
  12    the Free Software Foundation; either version 3 of the License, or
  13    (at your option) any later version.
  14
  15    This program is distributed in the hope that it will be useful,
  16    but WITHOUT ANY WARRANTY; without even the implied warranty of
  17    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18    GNU General Public License for more details.
  19
  20    You should have received a copy of the GNU General Public License
  21    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  22
  23    This work was sponsored by Optifacio Software Services, Inc.
  24 */
  25
  26 #include "includes.h"
  27 #include "system/filesys.h"
  28 #include "smbd/smbd.h"
  29 #include "smbd/globals.h"
  30 #include "memcache.h"
  31 #include "transfer_file.h"
  32
  33 #undef DBGC_CLASS
  34 #define DBGC_CLASS DBGC_VFS
  35
  36 static_decl_vfs;
  37
  38 struct vfs_init_function_entry {
  39         char *name;
  40         struct vfs_init_function_entry *prev, *next;
  41         const struct vfs_fn_pointers *fns;
  42 };
  43
  44 /****************************************************************************
  45     maintain the list of available backends
  46 ****************************************************************************/
  47
  48 static struct vfs_init_function_entry *vfs_find_backend_entry(const char *name)
  49 {
  50         struct vfs_init_function_entry *entry = backends;
  51
  52         DEBUG(10, ("vfs_find_backend_entry called for %s\n", name));
  53
  54         while(entry) {
  55                 if (strcmp(entry->name, name)==0) return entry;
  56                 entry = entry->next;
  57         }
  58
  59         return NULL;
  60 }
  61
  62 NTSTATUS smb_register_vfs(int version, const char *name,
  63                           const struct vfs_fn_pointers *fns)
  64 {
  65         struct vfs_init_function_entry *entry = backends;
  66
  67         if ((version != SMB_VFS_INTERFACE_VERSION)) {
  68                 DEBUG(0, ("Failed to register vfs module.\n"
  69                           "The module was compiled against SMB_VFS_INTERFACE_VERSION %d,\n"
  70                           "current SMB_VFS_INTERFACE_VERSION is %d.\n"
  71                           "Please recompile against the current Samba Version!\n",
  72                           version, SMB_VFS_INTERFACE_VERSION));
  73                 return NT_STATUS_OBJECT_TYPE_MISMATCH;
  74         }
  75
  76         if (!name || !name[0]) {
  77                 DEBUG(0,("smb_register_vfs() called with NULL pointer or empty name!\n"));
  78                 return NT_STATUS_INVALID_PARAMETER;
  79         }
  80
  81         if (vfs_find_backend_entry(name)) {
  82                 DEBUG(0,("VFS module %s already loaded!\n", name));
  83                 return NT_STATUS_OBJECT_NAME_COLLISION;
  84         }
  85
  86         entry = SMB_XMALLOC_P(struct vfs_init_function_entry);
  87         entry->name = smb_xstrdup(name);
  88         entry->fns = fns;
  89
  90         DLIST_ADD(backends, entry);
  91         DEBUG(5, ("Successfully added vfs backend '%s'\n", name));
  92         return NT_STATUS_OK;
  93 }
  94
  95 /****************************************************************************
  96   initialise default vfs hooks
  97 ****************************************************************************/
  98
  99 static void vfs_init_default(connection_struct *conn)
 100 {
 101         DEBUG(3, ("Initialising default vfs hooks\n"));
 102         vfs_init_custom(conn, DEFAULT_VFS_MODULE_NAME);
 103 }
 104
 105 /****************************************************************************
 106   initialise custom vfs hooks
 107  ****************************************************************************/
 108
 109 bool vfs_init_custom(connection_struct *conn, const char *vfs_object)
 110 {
 111         char *module_path = NULL;
 112         char *module_name = NULL;
 113         char *module_param = NULL, *p;
 114         vfs_handle_struct *handle;
 115         const struct vfs_init_function_entry *entry;
 116
 117         if (!conn||!vfs_object||!vfs_object[0]) {
 118                 DEBUG(0, ("vfs_init_custom() called with NULL pointer or "
 119                           "empty vfs_object!\n"));
 120                 return False;
 121         }
 122
 123         if(!backends) {
 124                 static_init_vfs;
 125         }
 126
 127         DEBUG(3, ("Initialising custom vfs hooks from [%s]\n", vfs_object));
 128
 129         module_path = smb_xstrdup(vfs_object);
 130
 131         p = strchr_m(module_path, ':');
 132
 133         if (p) {
 134                 *p = 0;
 135                 module_param = p+1;
 136                 trim_char(module_param, ' ', ' ');
 137         }
 138
 139         trim_char(module_path, ' ', ' ');
 140
 141         module_name = smb_xstrdup(module_path);
 142
 143         if ((module_name[0] == '/') &&
 144             (strcmp(module_path, DEFAULT_VFS_MODULE_NAME) != 0)) {
 145
 146                 /*
 147                  * Extract the module name from the path. Just use the base
 148                  * name of the last path component.
 149                  */
 150
 151                 SAFE_FREE(module_name);
 152                 module_name = smb_xstrdup(strrchr_m(module_path, '/')+1);
 153
 154                 p = strchr_m(module_name, '.');
 155
 156                 if (p != NULL) {
 157                         *p = '\0';
 158                 }
 159         }
 160
 161         /* First, try to load the module with the new module system */
 162         entry = vfs_find_backend_entry(module_name);
 163         if (!entry) {
 164                 NTSTATUS status;
 165
 166                 DEBUG(5, ("vfs module [%s] not loaded - trying to load...\n",
 167                           vfs_object));
 168
 169                 status = smb_probe_module("vfs", module_path);
 170                 if (!NT_STATUS_IS_OK(status)) {
 171                         DEBUG(0, ("error probing vfs module '%s': %s\n",
 172                                   module_path, nt_errstr(status)));
 173                         goto fail;
 174                 }
 175
 176                 entry = vfs_find_backend_entry(module_name);
 177                 if (!entry) {
 178                         DEBUG(0,("Can't find a vfs module [%s]\n",vfs_object));
 179                         goto fail;
 180                 }
 181         }
 182
 183         DEBUGADD(5,("Successfully loaded vfs module [%s] with the new modules system\n", vfs_object));
 184
 185         handle = TALLOC_ZERO_P(conn, vfs_handle_struct);
 186         if (!handle) {
 187                 DEBUG(0,("TALLOC_ZERO() failed!\n"));
 188                 goto fail;
 189         }
 190         handle->conn = conn;
 191         handle->fns = entry->fns;
 192         if (module_param) {
 193                 handle->param = talloc_strdup(conn, module_param);
 194         }
 195         DLIST_ADD(conn->vfs_handles, handle);
 196
 197         SAFE_FREE(module_path);
 198         SAFE_FREE(module_name);
 199         return True;
 200
 201  fail:
 202         SAFE_FREE(module_path);
 203         SAFE_FREE(module_name);
 204         return False;
 205 }
 206
 207 /*****************************************************************
 208  Allow VFS modules to extend files_struct with VFS-specific state.
 209  This will be ok for small numbers of extensions, but might need to
 210  be refactored if it becomes more widely used.
 211 ******************************************************************/
 212
 213 #define EXT_DATA_AREA(e) ((uint8 *)(e) + sizeof(struct vfs_fsp_data))
 214
 215 void *vfs_add_fsp_extension_notype(vfs_handle_struct *handle,
 216                                    files_struct *fsp, size_t ext_size,
 217                                    void (*destroy_fn)(void *p_data))
 218 {
 219         struct vfs_fsp_data *ext;
 220         void * ext_data;
 221
 222         /* Prevent VFS modules adding multiple extensions. */
 223         if ((ext_data = vfs_fetch_fsp_extension(handle, fsp))) {
 224                 return ext_data;
 225         }
 226
 227         ext = (struct vfs_fsp_data *)TALLOC_ZERO(
 228                 handle->conn, sizeof(struct vfs_fsp_data) + ext_size);
 229         if (ext == NULL) {
 230                 return NULL;
 231         }
 232
 233         ext->owner = handle;
 234         ext->next = fsp->vfs_extension;
 235         ext->destroy = destroy_fn;
 236         fsp->vfs_extension = ext;
 237         return EXT_DATA_AREA(ext);
 238 }
 239
 240 void vfs_remove_fsp_extension(vfs_handle_struct *handle, files_struct *fsp)
 241 {
 242         struct vfs_fsp_data *curr;
 243         struct vfs_fsp_data *prev;
 244
 245         for (curr = fsp->vfs_extension, prev = NULL;
 246              curr;
 247              prev = curr, curr = curr->next) {
 248                 if (curr->owner == handle) {
 249                     if (prev) {
 250                             prev->next = curr->next;
 251                     } else {
 252                             fsp->vfs_extension = curr->next;
 253                     }
 254                     if (curr->destroy) {
 255                             curr->destroy(EXT_DATA_AREA(curr));
 256                     }
 257                     TALLOC_FREE(curr);
 258                     return;
 259                 }
 260         }
 261 }
 262
 263 void *vfs_memctx_fsp_extension(vfs_handle_struct *handle, files_struct *fsp)
 264 {
 265         struct vfs_fsp_data *head;
 266
 267         for (head = fsp->vfs_extension; head; head = head->next) {
 268                 if (head->owner == handle) {
 269                         return head;
 270                 }
 271         }
 272
 273         return NULL;
 274 }
 275
 276 void *vfs_fetch_fsp_extension(vfs_handle_struct *handle, files_struct *fsp)
 277 {
 278         struct vfs_fsp_data *head;
 279
 280         head = (struct vfs_fsp_data *)vfs_memctx_fsp_extension(handle, fsp);
 281         if (head != NULL) {
 282                 return EXT_DATA_AREA(head);
 283         }
 284
 285         return NULL;
 286 }
 287
 288 #undef EXT_DATA_AREA
 289
 290 /*****************************************************************
 291  Generic VFS init.
 292 ******************************************************************/
 293
 294 bool smbd_vfs_init(connection_struct *conn)
 295 {
 296         const char **vfs_objects;
 297         unsigned int i = 0;
 298         int j = 0;
 299
 300         /* Normal share - initialise with disk access functions */
 301         vfs_init_default(conn);
 302         vfs_objects = lp_vfs_objects(SNUM(conn));
 303
 304         /* Override VFS functions if 'vfs object' was not specified*/
 305         if (!vfs_objects || !vfs_objects[0])
 306                 return True;
 307
 308         for (i=0; vfs_objects[i] ;) {
 309                 i++;
 310         }
 311
 312         for (j=i-1; j >= 0; j--) {
 313                 if (!vfs_init_custom(conn, vfs_objects[j])) {
 314                         DEBUG(0, ("smbd_vfs_init: vfs_init_custom failed for %s\n", vfs_objects[j]));
 315                         return False;
 316                 }
 317         }
 318         return True;
 319 }
 320
 321 /*******************************************************************
 322  Check if a file exists in the vfs.
 323 ********************************************************************/
 324
 325 NTSTATUS vfs_file_exist(connection_struct *conn, struct smb_filename *smb_fname)
 326 {
 327         /* Only return OK if stat was successful and S_ISREG */
 328         if ((SMB_VFS_STAT(conn, smb_fname) != -1) &&
 329             S_ISREG(smb_fname->st.st_ex_mode)) {
 330                 return NT_STATUS_OK;
 331         }
 332
 333         return NT_STATUS_OBJECT_NAME_NOT_FOUND;
 334 }
 335
 336 /****************************************************************************
 337  Read data from fsp on the vfs. (note: EINTR re-read differs from vfs_write_data)
 338 ****************************************************************************/
 339
 340 ssize_t vfs_read_data(files_struct *fsp, char *buf, size_t byte_count)
 341 {
 342         size_t total=0;
 343
 344         while (total < byte_count)
 345         {
 346                 ssize_t ret = SMB_VFS_READ(fsp, buf + total,
 347                                            byte_count - total);
 348
 349                 if (ret == 0) return total;
 350                 if (ret == -1) {
 351                         if (errno == EINTR)
 352                                 continue;
 353                         else
 354                                 return -1;
 355                 }
 356                 total += ret;
 357         }
 358         return (ssize_t)total;
 359 }
 360
 361 ssize_t vfs_pread_data(files_struct *fsp, char *buf,
 362                 size_t byte_count, SMB_OFF_T offset)
 363 {
 364         size_t total=0;
 365
 366         while (total < byte_count)
 367         {
 368                 ssize_t ret = SMB_VFS_PREAD(fsp, buf + total,
 369                                         byte_count - total, offset + total);
 370
 371                 if (ret == 0) return total;
 372                 if (ret == -1) {
 373                         if (errno == EINTR)
 374                                 continue;
 375                         else
 376                                 return -1;
 377                 }
 378                 total += ret;
 379         }
 380         return (ssize_t)total;
 381 }
 382
 383 /****************************************************************************
 384  Write data to a fd on the vfs.
 385 ****************************************************************************/
 386
 387 ssize_t vfs_write_data(struct smb_request *req,
 388                         files_struct *fsp,
 389                         const char *buffer,
 390                         size_t N)
 391 {
 392         size_t total=0;
 393         ssize_t ret;
 394
 395         if (req && req->unread_bytes) {
 396                 SMB_ASSERT(req->unread_bytes == N);
 397                 /* VFS_RECVFILE must drain the socket
 398                  * before returning. */
 399                 req->unread_bytes = 0;
 400                 return SMB_VFS_RECVFILE(req->sconn->sock,
 401                                         fsp,
 402                                         (SMB_OFF_T)-1,
 403                                         N);
 404         }
 405
 406         while (total < N) {
 407                 ret = SMB_VFS_WRITE(fsp, buffer + total, N - total);
 408
 409                 if (ret == -1)
 410                         return -1;
 411                 if (ret == 0)
 412                         return total;
 413
 414                 total += ret;
 415         }
 416         return (ssize_t)total;
 417 }
 418
 419 ssize_t vfs_pwrite_data(struct smb_request *req,
 420                         files_struct *fsp,
 421                         const char *buffer,
 422                         size_t N,
 423                         SMB_OFF_T offset)
 424 {
 425         size_t total=0;
 426         ssize_t ret;
 427
 428         if (req && req->unread_bytes) {
 429                 SMB_ASSERT(req->unread_bytes == N);
 430                 /* VFS_RECVFILE must drain the socket
 431                  * before returning. */
 432                 req->unread_bytes = 0;
 433                 return SMB_VFS_RECVFILE(req->sconn->sock,
 434                                         fsp,
 435                                         offset,
 436                                         N);
 437         }
 438
 439         while (total < N) {
 440                 ret = SMB_VFS_PWRITE(fsp, buffer + total, N - total,
 441                                      offset + total);
 442
 443                 if (ret == -1)
 444                         return -1;
 445                 if (ret == 0)
 446                         return total;
 447
 448                 total += ret;
 449         }
 450         return (ssize_t)total;
 451 }
 452 /****************************************************************************
 453  An allocate file space call using the vfs interface.
 454  Allocates space for a file from a filedescriptor.
 455  Returns 0 on success, -1 on failure.
 456 ****************************************************************************/
 457
 458 int vfs_allocate_file_space(files_struct *fsp, uint64_t len)
 459 {
 460         int ret;
 461         connection_struct *conn = fsp->conn;
 462         uint64_t space_avail;
 463         uint64_t bsize,dfree,dsize;
 464         NTSTATUS status;
 465
 466         /*
 467          * Actually try and commit the space on disk....
 468          */
 469
 470         DEBUG(10,("vfs_allocate_file_space: file %s, len %.0f\n",
 471                   fsp_str_dbg(fsp), (double)len));
 472
 473         if (((SMB_OFF_T)len) < 0) {
 474                 DEBUG(0,("vfs_allocate_file_space: %s negative len "
 475                          "requested.\n", fsp_str_dbg(fsp)));
 476                 errno = EINVAL;
 477                 return -1;
 478         }
 479
 480         status = vfs_stat_fsp(fsp);
 481         if (!NT_STATUS_IS_OK(status)) {
 482                 return -1;
 483         }
 484
 485         if (len == (uint64_t)fsp->fsp_name->st.st_ex_size)
 486                 return 0;
 487
 488         if (len < (uint64_t)fsp->fsp_name->st.st_ex_size) {
 489                 /* Shrink - use ftruncate. */
 490
 491                 DEBUG(10,("vfs_allocate_file_space: file %s, shrink. Current "
 492                           "size %.0f\n", fsp_str_dbg(fsp),
 493                           (double)fsp->fsp_name->st.st_ex_size));
 494
 495                 contend_level2_oplocks_begin(fsp, LEVEL2_CONTEND_ALLOC_SHRINK);
 496
 497                 flush_write_cache(fsp, SIZECHANGE_FLUSH);
 498                 if ((ret = SMB_VFS_FTRUNCATE(fsp, (SMB_OFF_T)len)) != -1) {
 499                         set_filelen_write_cache(fsp, len);
 500                 }
 501
 502                 contend_level2_oplocks_end(fsp, LEVEL2_CONTEND_ALLOC_SHRINK);
 503
 504                 return ret;
 505         }
 506
 507         if (!lp_strict_allocate(SNUM(fsp->conn)))
 508                 return 0;
 509
 510         /* Grow - we need to test if we have enough space. */
 511
 512         contend_level2_oplocks_begin(fsp, LEVEL2_CONTEND_ALLOC_GROW);
 513
 514         /* See if we have a syscall that will allocate beyond end-of-file
 515            without changing EOF. */
 516         ret = SMB_VFS_FALLOCATE(fsp, VFS_FALLOCATE_KEEP_SIZE, 0, len);
 517
 518         contend_level2_oplocks_end(fsp, LEVEL2_CONTEND_ALLOC_GROW);
 519
 520         if (ret == 0) {
 521                 /* We changed the allocation size on disk, but not
 522                    EOF - exactly as required. We're done ! */
 523                 return 0;
 524         }
 525
 526         len -= fsp->fsp_name->st.st_ex_size;
 527         len /= 1024; /* Len is now number of 1k blocks needed. */
 528         space_avail = get_dfree_info(conn, fsp->fsp_name->base_name, false,
 529                                      &bsize, &dfree, &dsize);
 530         if (space_avail == (uint64_t)-1) {
 531                 return -1;
 532         }
 533
 534         DEBUG(10,("vfs_allocate_file_space: file %s, grow. Current size %.0f, "
 535                   "needed blocks = %.0f, space avail = %.0f\n",
 536                   fsp_str_dbg(fsp), (double)fsp->fsp_name->st.st_ex_size, (double)len,
 537                   (double)space_avail));
 538
 539         if (len > space_avail) {
 540                 errno = ENOSPC;
 541                 return -1;
 542         }
 543
 544         return 0;
 545 }
 546
 547 /****************************************************************************
 548  A vfs set_filelen call.
 549  set the length of a file from a filedescriptor.
 550  Returns 0 on success, -1 on failure.
 551 ****************************************************************************/
 552
 553 int vfs_set_filelen(files_struct *fsp, SMB_OFF_T len)
 554 {
 555         int ret;
 556
 557         contend_level2_oplocks_begin(fsp, LEVEL2_CONTEND_SET_FILE_LEN);
 558
 559         DEBUG(10,("vfs_set_filelen: ftruncate %s to len %.0f\n",
 560                   fsp_str_dbg(fsp), (double)len));
 561         flush_write_cache(fsp, SIZECHANGE_FLUSH);
 562         if ((ret = SMB_VFS_FTRUNCATE(fsp, len)) != -1) {
 563                 set_filelen_write_cache(fsp, len);
 564                 notify_fname(fsp->conn, NOTIFY_ACTION_MODIFIED,
 565                              FILE_NOTIFY_CHANGE_SIZE
 566                              | FILE_NOTIFY_CHANGE_ATTRIBUTES,
 567                              fsp->fsp_name->base_name);
 568         }
 569
 570         contend_level2_oplocks_end(fsp, LEVEL2_CONTEND_SET_FILE_LEN);
 571
 572         return ret;
 573 }
 574
 575 /****************************************************************************
 576  A slow version of fallocate. Fallback code if SMB_VFS_FALLOCATE
 577  fails. Needs to be outside of the default version of SMB_VFS_FALLOCATE
 578  as this is also called from the default SMB_VFS_FTRUNCATE code.
 579  Always extends the file size.
 580  Returns 0 on success, errno on failure.
 581 ****************************************************************************/
 582
 583 #define SPARSE_BUF_WRITE_SIZE (32*1024)
 584
 585 int vfs_slow_fallocate(files_struct *fsp, SMB_OFF_T offset, SMB_OFF_T len)
 586 {
 587         ssize_t pwrite_ret;
 588         size_t total = 0;
 589
 590         if (!sparse_buf) {
 591                 sparse_buf = SMB_CALLOC_ARRAY(char, SPARSE_BUF_WRITE_SIZE);
 592                 if (!sparse_buf) {
 593                         errno = ENOMEM;
 594                         return ENOMEM;
 595                 }
 596         }
 597
 598         while (total < len) {
 599                 size_t curr_write_size = MIN(SPARSE_BUF_WRITE_SIZE, (len - total));
 600
 601                 pwrite_ret = SMB_VFS_PWRITE(fsp, sparse_buf, curr_write_size, offset + total);
 602                 if (pwrite_ret == -1) {
 603                         DEBUG(10,("vfs_slow_fallocate: SMB_VFS_PWRITE for file "
 604                                   "%s failed with error %s\n",
 605                                   fsp_str_dbg(fsp), strerror(errno)));
 606                         return errno;
 607                 }
 608                 total += pwrite_ret;
 609         }
 610
 611         return 0;
 612 }
 613
 614 /****************************************************************************
 615  A vfs fill sparse call.
 616  Writes zeros from the end of file to len, if len is greater than EOF.
 617  Used only by strict_sync.
 618  Returns 0 on success, -1 on failure.
 619 ****************************************************************************/
 620
 621 int vfs_fill_sparse(files_struct *fsp, SMB_OFF_T len)
 622 {
 623         int ret;
 624         NTSTATUS status;
 625         SMB_OFF_T offset;
 626         size_t num_to_write;
 627
 628         status = vfs_stat_fsp(fsp);
 629         if (!NT_STATUS_IS_OK(status)) {
 630                 return -1;
 631         }
 632
 633         if (len <= fsp->fsp_name->st.st_ex_size) {
 634                 return 0;
 635         }
 636
 637 #ifdef S_ISFIFO
 638         if (S_ISFIFO(fsp->fsp_name->st.st_ex_mode)) {
 639                 return 0;
 640         }
 641 #endif
 642
 643         DEBUG(10,("vfs_fill_sparse: write zeros in file %s from len %.0f to "
 644                   "len %.0f (%.0f bytes)\n", fsp_str_dbg(fsp),
 645                   (double)fsp->fsp_name->st.st_ex_size, (double)len,
 646                   (double)(len - fsp->fsp_name->st.st_ex_size)));
 647
 648         contend_level2_oplocks_begin(fsp, LEVEL2_CONTEND_FILL_SPARSE);
 649
 650         flush_write_cache(fsp, SIZECHANGE_FLUSH);
 651
 652         offset = fsp->fsp_name->st.st_ex_size;
 653         num_to_write = len - fsp->fsp_name->st.st_ex_size;
 654
 655         /* Only do this on non-stream file handles. */
 656         if (fsp->base_fsp == NULL) {
 657                 /* for allocation try fallocate first. This can fail on some
 658                  * platforms e.g. when the filesystem doesn't support it and no
 659                  * emulation is being done by the libc (like on AIX with JFS1). In that
 660                  * case we do our own emulation. fallocate implementations can
 661                  * return ENOTSUP or EINVAL in cases like that. */
 662                 ret = SMB_VFS_FALLOCATE(fsp, VFS_FALLOCATE_EXTEND_SIZE,
 663                                 offset, num_to_write);
 664                 if (ret == ENOSPC) {
 665                         errno = ENOSPC;
 666                         ret = -1;
 667                         goto out;
 668                 }
 669                 if (ret == 0) {
 670                         goto out;
 671                 }
 672                 DEBUG(10,("vfs_fill_sparse: SMB_VFS_FALLOCATE failed with "
 673                         "error %d. Falling back to slow manual allocation\n", ret));
 674         }
 675
 676         ret = vfs_slow_fallocate(fsp, offset, num_to_write);
 677         if (ret != 0) {
 678                 errno = ret;
 679                 ret = -1;
 680         }
 681
 682  out:
 683
 684         if (ret == 0) {
 685                 set_filelen_write_cache(fsp, len);
 686         }
 687
 688         contend_level2_oplocks_end(fsp, LEVEL2_CONTEND_FILL_SPARSE);
 689         return ret;
 690 }
 691
 692 /****************************************************************************
 693  Transfer some data (n bytes) between two file_struct's.
 694 ****************************************************************************/
 695
 696 static ssize_t vfs_read_fn(void *file, void *buf, size_t len)
 697 {
 698         struct files_struct *fsp = (struct files_struct *)file;
 699
 700         return SMB_VFS_READ(fsp, buf, len);
 701 }
 702
 703 static ssize_t vfs_write_fn(void *file, const void *buf, size_t len)
 704 {
 705         struct files_struct *fsp = (struct files_struct *)file;
 706
 707         return SMB_VFS_WRITE(fsp, buf, len);
 708 }
 709
 710 SMB_OFF_T vfs_transfer_file(files_struct *in, files_struct *out, SMB_OFF_T n)
 711 {
 712         return transfer_file_internal((void *)in, (void *)out, n,
 713                                       vfs_read_fn, vfs_write_fn);
 714 }
 715
 716 /*******************************************************************
 717  A vfs_readdir wrapper which just returns the file name.
 718 ********************************************************************/
 719
 720 const char *vfs_readdirname(connection_struct *conn, void *p,
 721                             SMB_STRUCT_STAT *sbuf, char **talloced)
 722 {
 723         SMB_STRUCT_DIRENT *ptr= NULL;
 724         const char *dname;
 725         char *translated;
 726         NTSTATUS status;
 727
 728         if (!p)
 729                 return(NULL);
 730
 731         ptr = SMB_VFS_READDIR(conn, (DIR *)p, sbuf);
 732         if (!ptr)
 733                 return(NULL);
 734
 735         dname = ptr->d_name;
 736
 737
 738 #ifdef NEXT2
 739         if (telldir(p) < 0)
 740                 return(NULL);
 741 #endif
 742
 743 #ifdef HAVE_BROKEN_READDIR_NAME
 744         /* using /usr/ucb/cc is BAD */
 745         dname = dname - 2;
 746 #endif
 747
 748         status = SMB_VFS_TRANSLATE_NAME(conn, dname, vfs_translate_to_windows,
 749                                         talloc_tos(), &translated);
 750         if (NT_STATUS_EQUAL(status, NT_STATUS_NONE_MAPPED)) {
 751                 *talloced = NULL;
 752                 return dname;
 753         }
 754         *talloced = translated;
 755         if (!NT_STATUS_IS_OK(status)) {
 756                 return NULL;
 757         }
 758         return translated;
 759 }
 760
 761 /*******************************************************************
 762  A wrapper for vfs_chdir().
 763 ********************************************************************/
 764
 765 int vfs_ChDir(connection_struct *conn, const char *path)
 766 {
 767         int res;
 768
 769         if (!LastDir) {
 770                 LastDir = SMB_STRDUP("");
 771         }
 772
 773         if (strcsequal(path,"."))
 774                 return(0);
 775
 776         if (*path == '/' && strcsequal(LastDir,path))
 777                 return(0);
 778
 779         DEBUG(4,("vfs_ChDir to %s\n",path));
 780
 781         res = SMB_VFS_CHDIR(conn,path);
 782         if (!res) {
 783                 SAFE_FREE(LastDir);
 784                 LastDir = SMB_STRDUP(path);
 785         }
 786         return(res);
 787 }
 788
 789 /*******************************************************************
 790  Return the absolute current directory path - given a UNIX pathname.
 791  Note that this path is returned in DOS format, not UNIX
 792  format. Note this can be called with conn == NULL.
 793 ********************************************************************/
 794
 795 char *vfs_GetWd(TALLOC_CTX *ctx, connection_struct *conn)
 796 {
 797         char s[PATH_MAX+1];
 798         char *result = NULL;
 799         DATA_BLOB cache_value;
 800         struct file_id key;
 801         struct smb_filename *smb_fname_dot = NULL;
 802         struct smb_filename *smb_fname_full = NULL;
 803         NTSTATUS status;
 804
 805         *s = 0;
 806
 807         if (!lp_getwd_cache()) {
 808                 goto nocache;
 809         }
 810
 811         status = create_synthetic_smb_fname(ctx, ".", NULL, NULL,
 812                                             &smb_fname_dot);
 813         if (!NT_STATUS_IS_OK(status)) {
 814                 errno = map_errno_from_nt_status(status);
 815                 goto out;
 816         }
 817
 818         if (SMB_VFS_STAT(conn, smb_fname_dot) == -1) {
 819                 /*
 820                  * Known to fail for root: the directory may be NFS-mounted
 821                  * and exported with root_squash (so has no root access).
 822                  */
 823                 DEBUG(1,("vfs_GetWd: couldn't stat \".\" error %s "
 824                          "(NFS problem ?)\n", strerror(errno) ));
 825                 goto nocache;
 826         }
 827
 828         key = vfs_file_id_from_sbuf(conn, &smb_fname_dot->st);
 829
 830         if (!memcache_lookup(smbd_memcache(), GETWD_CACHE,
 831                              data_blob_const(&key, sizeof(key)),
 832                              &cache_value)) {
 833                 goto nocache;
 834         }
 835
 836         SMB_ASSERT((cache_value.length > 0)
 837                    && (cache_value.data[cache_value.length-1] == '\0'));
 838
 839         status = create_synthetic_smb_fname(ctx, (char *)cache_value.data,
 840                                             NULL, NULL, &smb_fname_full);
 841         if (!NT_STATUS_IS_OK(status)) {
 842                 errno = map_errno_from_nt_status(status);
 843                 goto out;
 844         }
 845
 846         if ((SMB_VFS_STAT(conn, smb_fname_full) == 0) &&
 847             (smb_fname_dot->st.st_ex_dev == smb_fname_full->st.st_ex_dev) &&
 848             (smb_fname_dot->st.st_ex_ino == smb_fname_full->st.st_ex_ino) &&
 849             (S_ISDIR(smb_fname_dot->st.st_ex_mode))) {
 850                 /*
 851                  * Ok, we're done
 852                  */
 853                 result = talloc_strdup(ctx, smb_fname_full->base_name);
 854                 if (result == NULL) {
 855                         errno = ENOMEM;
 856                 }
 857                 goto out;
 858         }
 859
 860  nocache:
 861
 862         /*
 863          * We don't have the information to hand so rely on traditional
 864          * methods. The very slow getcwd, which spawns a process on some
 865          * systems, or the not quite so bad getwd.
 866          */
 867
 868         if (!SMB_VFS_GETWD(conn,s)) {
 869                 DEBUG(0, ("vfs_GetWd: SMB_VFS_GETWD call failed: %s\n",
 870                           strerror(errno)));
 871                 goto out;
 872         }
 873
 874         if (lp_getwd_cache() && VALID_STAT(smb_fname_dot->st)) {
 875                 key = vfs_file_id_from_sbuf(conn, &smb_fname_dot->st);
 876
 877                 memcache_add(smbd_memcache(), GETWD_CACHE,
 878                              data_blob_const(&key, sizeof(key)),
 879                              data_blob_const(s, strlen(s)+1));
 880         }
 881
 882         result = talloc_strdup(ctx, s);
 883         if (result == NULL) {
 884                 errno = ENOMEM;
 885         }
 886
 887  out:
 888         TALLOC_FREE(smb_fname_dot);
 889         TALLOC_FREE(smb_fname_full);
 890         return result;
 891 }
 892
 893 /*******************************************************************
 894  Reduce a file name, removing .. elements and checking that
 895  it is below dir in the heirachy. This uses realpath.
 896 ********************************************************************/
 897
 898 NTSTATUS check_reduced_name(connection_struct *conn, const char *fname)
 899 {
 900         char *resolved_name = NULL;
 901         char *p = NULL;
 902
 903         DEBUG(3,("check_reduced_name [%s] [%s]\n", fname, conn->connectpath));
 904
 905         resolved_name = SMB_VFS_REALPATH(conn,fname);
 906
 907         if (!resolved_name) {
 908                 switch (errno) {
 909                         case ENOTDIR:
 910                                 DEBUG(3,("check_reduced_name: Component not a "
 911                                          "directory in getting realpath for "
 912                                          "%s\n", fname));
 913                                 return NT_STATUS_OBJECT_PATH_NOT_FOUND;
 914                         case ENOENT:
 915                         {
 916                                 TALLOC_CTX *ctx = talloc_tos();
 917                                 char *tmp_fname = NULL;
 918                                 char *last_component = NULL;
 919                                 /* Last component didn't exist. Remove it and try and canonicalise the directory. */
 920
 921                                 tmp_fname = talloc_strdup(ctx, fname);
 922                                 if (!tmp_fname) {
 923                                         return NT_STATUS_NO_MEMORY;
 924                                 }
 925                                 p = strrchr_m(tmp_fname, '/');
 926                                 if (p) {
 927                                         *p++ = '\0';
 928                                         last_component = p;
 929                                 } else {
 930                                         last_component = tmp_fname;
 931                                         tmp_fname = talloc_strdup(ctx,
 932                                                         ".");
 933                                         if (!tmp_fname) {
 934                                                 return NT_STATUS_NO_MEMORY;
 935                                         }
 936                                 }
 937
 938                                 resolved_name = SMB_VFS_REALPATH(conn,tmp_fname);
 939                                 if (!resolved_name) {
 940                                         NTSTATUS status = map_nt_error_from_unix(errno);
 941
 942                                         if (errno == ENOENT || errno == ENOTDIR) {
 943                                                 status = NT_STATUS_OBJECT_PATH_NOT_FOUND;
 944                                         }
 945
 946                                         DEBUG(3,("check_reduce_name: "
 947                                                  "couldn't get realpath for "
 948                                                  "%s (%s)\n",
 949                                                 fname,
 950                                                 nt_errstr(status)));
 951                                         return status;
 952                                 }
 953                                 tmp_fname = talloc_asprintf(ctx,
 954                                                 "%s/%s",
 955                                                 resolved_name,
 956                                                 last_component);
 957                                 if (!tmp_fname) {
 958                                         return NT_STATUS_NO_MEMORY;
 959                                 }
 960                                 SAFE_FREE(resolved_name);
 961                                 resolved_name = SMB_STRDUP(tmp_fname);
 962                                 if (!resolved_name) {
 963                                         DEBUG(0, ("check_reduced_name: malloc "
 964                                                   "fail for %s\n", tmp_fname));
 965                                         return NT_STATUS_NO_MEMORY;
 966                                 }
 967                                 break;
 968                         }
 969                         default:
 970                                 DEBUG(3,("check_reduced_name: couldn't get "
 971                                          "realpath for %s\n", fname));
 972                                 return map_nt_error_from_unix(errno);
 973                 }
 974         }
 975
 976         DEBUG(10,("check_reduced_name realpath [%s] -> [%s]\n", fname,
 977                   resolved_name));
 978
 979         if (*resolved_name != '/') {
 980                 DEBUG(0,("check_reduced_name: realpath doesn't return "
 981                          "absolute paths !\n"));
 982                 SAFE_FREE(resolved_name);
 983                 return NT_STATUS_OBJECT_NAME_INVALID;
 984         }
 985
 986         /* Check for widelinks allowed. */
 987         if (!lp_widelinks(SNUM(conn))) {
 988                     const char *conn_rootdir;
 989
 990                     conn_rootdir = SMB_VFS_CONNECTPATH(conn, fname);
 991                     if (conn_rootdir == NULL) {
 992                             DEBUG(2, ("check_reduced_name: Could not get "
 993                                       "conn_rootdir\n"));
 994                             SAFE_FREE(resolved_name);
 995                             return NT_STATUS_ACCESS_DENIED;
 996                     }
 997
 998                     if (strncmp(conn_rootdir, resolved_name,
 999                                 strlen(conn_rootdir)) != 0) {
1000                             DEBUG(2, ("check_reduced_name: Bad access "
1001                                       "attempt: %s is a symlink outside the "
1002                                       "share path\n", fname));
1003                             DEBUGADD(2, ("conn_rootdir =%s\n", conn_rootdir));
1004                             DEBUGADD(2, ("resolved_name=%s\n", resolved_name));
1005                             SAFE_FREE(resolved_name);
1006                             return NT_STATUS_ACCESS_DENIED;
1007                     }
1008         }
1009
1010         /* Check if we are allowing users to follow symlinks */
1011         /* Patch from David Clerc <David.Clerc@cui.unige.ch>
1012                 University of Geneva */
1013
1014 #ifdef S_ISLNK
1015         if (!lp_symlinks(SNUM(conn))) {
1016                 struct smb_filename *smb_fname = NULL;
1017                 NTSTATUS status;
1018
1019                 status = create_synthetic_smb_fname(talloc_tos(), fname, NULL,
1020                                                     NULL, &smb_fname);
1021                 if (!NT_STATUS_IS_OK(status)) {
1022                         SAFE_FREE(resolved_name);
1023                         return status;
1024                 }
1025
1026                 if ( (SMB_VFS_LSTAT(conn, smb_fname) != -1) &&
1027                                 (S_ISLNK(smb_fname->st.st_ex_mode)) ) {
1028                         SAFE_FREE(resolved_name);
1029                         DEBUG(3,("check_reduced_name: denied: file path name "
1030                                  "%s is a symlink\n",resolved_name));
1031                         TALLOC_FREE(smb_fname);
1032                         return NT_STATUS_ACCESS_DENIED;
1033                 }
1034                 TALLOC_FREE(smb_fname);
1035         }
1036 #endif
1037
1038         DEBUG(3,("check_reduced_name: %s reduced to %s\n", fname,
1039                  resolved_name));
1040         SAFE_FREE(resolved_name);
1041         return NT_STATUS_OK;
1042 }
1043
1044 /**
1045  * XXX: This is temporary and there should be no callers of this once
1046  * smb_filename is plumbed through all path based operations.
1047  */
1048 int vfs_stat_smb_fname(struct connection_struct *conn, const char *fname,
1049                        SMB_STRUCT_STAT *psbuf)
1050 {
1051         struct smb_filename *smb_fname = NULL;
1052         NTSTATUS status;
1053         int ret;
1054
1055         status = create_synthetic_smb_fname_split(talloc_tos(), fname, NULL,
1056                                                   &smb_fname);
1057         if (!NT_STATUS_IS_OK(status)) {
1058                 errno = map_errno_from_nt_status(status);
1059                 return -1;
1060         }
1061
1062         if (lp_posix_pathnames()) {
1063                 ret = SMB_VFS_LSTAT(conn, smb_fname);
1064         } else {
1065                 ret = SMB_VFS_STAT(conn, smb_fname);
1066         }
1067
1068         if (ret != -1) {
1069                 *psbuf = smb_fname->st;
1070         }
1071
1072         TALLOC_FREE(smb_fname);
1073         return ret;
1074 }
1075
1076 /**
1077  * XXX: This is temporary and there should be no callers of this once
1078  * smb_filename is plumbed through all path based operations.
1079  */
1080 int vfs_lstat_smb_fname(struct connection_struct *conn, const char *fname,
1081                         SMB_STRUCT_STAT *psbuf)
1082 {
1083         struct smb_filename *smb_fname = NULL;
1084         NTSTATUS status;
1085         int ret;
1086
1087         status = create_synthetic_smb_fname_split(talloc_tos(), fname, NULL,
1088                                                   &smb_fname);
1089         if (!NT_STATUS_IS_OK(status)) {
1090                 errno = map_errno_from_nt_status(status);
1091                 return -1;
1092         }
1093
1094         ret = SMB_VFS_LSTAT(conn, smb_fname);
1095         if (ret != -1) {
1096                 *psbuf = smb_fname->st;
1097         }
1098
1099         TALLOC_FREE(smb_fname);
1100         return ret;
1101 }
1102
1103 /**
1104  * Ensure LSTAT is called for POSIX paths.
1105  */
1106
1107 NTSTATUS vfs_stat_fsp(files_struct *fsp)
1108 {
1109         int ret;
1110
1111         if(fsp->fh->fd == -1) {
1112                 if (fsp->posix_open) {
1113                         ret = SMB_VFS_LSTAT(fsp->conn, fsp->fsp_name);
1114                 } else {
1115                         ret = SMB_VFS_STAT(fsp->conn, fsp->fsp_name);
1116                 }
1117                 if (ret == -1) {
1118                         return map_nt_error_from_unix(errno);
1119                 }
1120         } else {
1121                 if(SMB_VFS_FSTAT(fsp, &fsp->fsp_name->st) != 0) {
1122                         return map_nt_error_from_unix(errno);
1123                 }
1124         }
1125         return NT_STATUS_OK;
1126 }
1127
1128 /*
1129   generate a file_id from a stat structure
1130  */
1131 struct file_id vfs_file_id_from_sbuf(connection_struct *conn, const SMB_STRUCT_STAT *sbuf)
1132 {
1133         return SMB_VFS_FILE_ID_CREATE(conn, sbuf);
1134 }
1135
1136 int smb_vfs_call_connect(struct vfs_handle_struct *handle,
1137                          const char *service, const char *user)
1138 {
1139         VFS_FIND(connect_fn);
1140         return handle->fns->connect_fn(handle, service, user);
1141 }
1142
1143 void smb_vfs_call_disconnect(struct vfs_handle_struct *handle)
1144 {
1145         VFS_FIND(disconnect);
1146         handle->fns->disconnect(handle);
1147 }
1148
1149 uint64_t smb_vfs_call_disk_free(struct vfs_handle_struct *handle,
1150                                 const char *path, bool small_query,
1151                                 uint64_t *bsize, uint64_t *dfree,
1152                                 uint64_t *dsize)
1153 {
1154         VFS_FIND(disk_free);
1155         return handle->fns->disk_free(handle, path, small_query, bsize, dfree,
1156                                       dsize);
1157 }
1158
1159 int smb_vfs_call_get_quota(struct vfs_handle_struct *handle,
1160                            enum SMB_QUOTA_TYPE qtype, unid_t id,
1161                            SMB_DISK_QUOTA *qt)
1162 {
1163         VFS_FIND(get_quota);
1164         return handle->fns->get_quota(handle, qtype, id, qt);
1165 }
1166
1167 int smb_vfs_call_set_quota(struct vfs_handle_struct *handle,
1168                            enum SMB_QUOTA_TYPE qtype, unid_t id,
1169                            SMB_DISK_QUOTA *qt)
1170 {
1171         VFS_FIND(set_quota);
1172         return handle->fns->set_quota(handle, qtype, id, qt);
1173 }
1174
1175 int smb_vfs_call_get_shadow_copy_data(struct vfs_handle_struct *handle,
1176                                       struct files_struct *fsp,
1177                                       SHADOW_COPY_DATA *shadow_copy_data,
1178                                       bool labels)
1179 {
1180         VFS_FIND(get_shadow_copy_data);
1181         return handle->fns->get_shadow_copy_data(handle, fsp, shadow_copy_data,
1182                                                  labels);
1183 }
1184 int smb_vfs_call_statvfs(struct vfs_handle_struct *handle, const char *path,
1185                          struct vfs_statvfs_struct *statbuf)
1186 {
1187         VFS_FIND(statvfs);
1188         return handle->fns->statvfs(handle, path, statbuf);
1189 }
1190
1191 uint32_t smb_vfs_call_fs_capabilities(struct vfs_handle_struct *handle,
1192                         enum timestamp_set_resolution *p_ts_res)
1193 {
1194         VFS_FIND(fs_capabilities);
1195         return handle->fns->fs_capabilities(handle, p_ts_res);
1196 }
1197
1198 SMB_STRUCT_DIR *smb_vfs_call_opendir(struct vfs_handle_struct *handle,
1199                                      const char *fname, const char *mask,
1200                                      uint32 attributes)
1201 {
1202         VFS_FIND(opendir);
1203         return handle->fns->opendir(handle, fname, mask, attributes);
1204 }
1205
1206 SMB_STRUCT_DIR *smb_vfs_call_fdopendir(struct vfs_handle_struct *handle,
1207                                         struct files_struct *fsp,
1208                                         const char *mask,
1209                                         uint32 attributes)
1210 {
1211         VFS_FIND(fdopendir);
1212         return handle->fns->fdopendir(handle, fsp, mask, attributes);
1213 }
1214
1215 SMB_STRUCT_DIRENT *smb_vfs_call_readdir(struct vfs_handle_struct *handle,
1216                                               SMB_STRUCT_DIR *dirp,
1217                                               SMB_STRUCT_STAT *sbuf)
1218 {
1219         VFS_FIND(readdir);
1220         return handle->fns->readdir(handle, dirp, sbuf);
1221 }
1222
1223 void smb_vfs_call_seekdir(struct vfs_handle_struct *handle,
1224                           SMB_STRUCT_DIR *dirp, long offset)
1225 {
1226         VFS_FIND(seekdir);
1227         handle->fns->seekdir(handle, dirp, offset);
1228 }
1229
1230 long smb_vfs_call_telldir(struct vfs_handle_struct *handle,
1231                           SMB_STRUCT_DIR *dirp)
1232 {
1233         VFS_FIND(telldir);
1234         return handle->fns->telldir(handle, dirp);
1235 }
1236
1237 void smb_vfs_call_rewind_dir(struct vfs_handle_struct *handle,
1238                              SMB_STRUCT_DIR *dirp)
1239 {
1240         VFS_FIND(rewind_dir);
1241         handle->fns->rewind_dir(handle, dirp);
1242 }
1243
1244 int smb_vfs_call_mkdir(struct vfs_handle_struct *handle, const char *path,
1245                        mode_t mode)
1246 {
1247         VFS_FIND(mkdir);
1248         return handle->fns->mkdir(handle, path, mode);
1249 }
1250
1251 int smb_vfs_call_rmdir(struct vfs_handle_struct *handle, const char *path)
1252 {
1253         VFS_FIND(rmdir);
1254         return handle->fns->rmdir(handle, path);
1255 }
1256
1257 int smb_vfs_call_closedir(struct vfs_handle_struct *handle,
1258                           SMB_STRUCT_DIR *dir)
1259 {
1260         VFS_FIND(closedir);
1261         return handle->fns->closedir(handle, dir);
1262 }
1263
1264 void smb_vfs_call_init_search_op(struct vfs_handle_struct *handle,
1265                                  SMB_STRUCT_DIR *dirp)
1266 {
1267         VFS_FIND(init_search_op);
1268         handle->fns->init_search_op(handle, dirp);
1269 }
1270
1271 int smb_vfs_call_open(struct vfs_handle_struct *handle,
1272                       struct smb_filename *smb_fname, struct files_struct *fsp,
1273                       int flags, mode_t mode)
1274 {
1275         VFS_FIND(open);
1276         return handle->fns->open(handle, smb_fname, fsp, flags, mode);
1277 }
1278
1279 NTSTATUS smb_vfs_call_create_file(struct vfs_handle_struct *handle,
1280                                   struct smb_request *req,
1281                                   uint16_t root_dir_fid,
1282                                   struct smb_filename *smb_fname,
1283                                   uint32_t access_mask,
1284                                   uint32_t share_access,
1285                                   uint32_t create_disposition,
1286                                   uint32_t create_options,
1287                                   uint32_t file_attributes,
1288                                   uint32_t oplock_request,
1289                                   uint64_t allocation_size,
1290                                   uint32_t private_flags,
1291                                   struct security_descriptor *sd,
1292                                   struct ea_list *ea_list,
1293                                   files_struct **result,
1294                                   int *pinfo)
1295 {
1296         VFS_FIND(create_file);
1297         return handle->fns->create_file(
1298                 handle, req, root_dir_fid, smb_fname, access_mask,
1299                 share_access, create_disposition, create_options,
1300                 file_attributes, oplock_request, allocation_size,
1301                 private_flags, sd, ea_list,
1302                 result, pinfo);
1303 }
1304
1305 int smb_vfs_call_close_fn(struct vfs_handle_struct *handle,
1306                           struct files_struct *fsp)
1307 {
1308         VFS_FIND(close_fn);
1309         return handle->fns->close_fn(handle, fsp);
1310 }
1311
1312 ssize_t smb_vfs_call_vfs_read(struct vfs_handle_struct *handle,
1313                               struct files_struct *fsp, void *data, size_t n)
1314 {
1315         VFS_FIND(vfs_read);
1316         return handle->fns->vfs_read(handle, fsp, data, n);
1317 }
1318
1319 ssize_t smb_vfs_call_pread(struct vfs_handle_struct *handle,
1320                            struct files_struct *fsp, void *data, size_t n,
1321                            SMB_OFF_T offset)
1322 {
1323         VFS_FIND(pread);
1324         return handle->fns->pread(handle, fsp, data, n, offset);
1325 }
1326
1327 ssize_t smb_vfs_call_write(struct vfs_handle_struct *handle,
1328                            struct files_struct *fsp, const void *data,
1329                            size_t n)
1330 {
1331         VFS_FIND(write);
1332         return handle->fns->write(handle, fsp, data, n);
1333 }
1334
1335 ssize_t smb_vfs_call_pwrite(struct vfs_handle_struct *handle,
1336                             struct files_struct *fsp, const void *data,
1337                             size_t n, SMB_OFF_T offset)
1338 {
1339         VFS_FIND(pwrite);
1340         return handle->fns->pwrite(handle, fsp, data, n, offset);
1341 }
1342
1343 SMB_OFF_T smb_vfs_call_lseek(struct vfs_handle_struct *handle,
1344                              struct files_struct *fsp, SMB_OFF_T offset,
1345                              int whence)
1346 {
1347         VFS_FIND(lseek);
1348         return handle->fns->lseek(handle, fsp, offset, whence);
1349 }
1350
1351 ssize_t smb_vfs_call_sendfile(struct vfs_handle_struct *handle, int tofd,
1352                               files_struct *fromfsp, const DATA_BLOB *header,
1353                               SMB_OFF_T offset, size_t count)
1354 {
1355         VFS_FIND(sendfile);
1356         return handle->fns->sendfile(handle, tofd, fromfsp, header, offset,
1357                                      count);
1358 }
1359
1360 ssize_t smb_vfs_call_recvfile(struct vfs_handle_struct *handle, int fromfd,
1361                               files_struct *tofsp, SMB_OFF_T offset,
1362                               size_t count)
1363 {
1364         VFS_FIND(recvfile);
1365         return handle->fns->recvfile(handle, fromfd, tofsp, offset, count);
1366 }
1367
1368 int smb_vfs_call_rename(struct vfs_handle_struct *handle,
1369                         const struct smb_filename *smb_fname_src,
1370                         const struct smb_filename *smb_fname_dst)
1371 {
1372         VFS_FIND(rename);
1373         return handle->fns->rename(handle, smb_fname_src, smb_fname_dst);
1374 }
1375
1376 int smb_vfs_call_fsync(struct vfs_handle_struct *handle,
1377                        struct files_struct *fsp)
1378 {
1379         VFS_FIND(fsync);
1380         return handle->fns->fsync(handle, fsp);
1381 }
1382
1383 int smb_vfs_call_stat(struct vfs_handle_struct *handle,
1384                       struct smb_filename *smb_fname)
1385 {
1386         VFS_FIND(stat);
1387         return handle->fns->stat(handle, smb_fname);
1388 }
1389
1390 int smb_vfs_call_fstat(struct vfs_handle_struct *handle,
1391                        struct files_struct *fsp, SMB_STRUCT_STAT *sbuf)
1392 {
1393         VFS_FIND(fstat);
1394         return handle->fns->fstat(handle, fsp, sbuf);
1395 }
1396
1397 int smb_vfs_call_lstat(struct vfs_handle_struct *handle,
1398                        struct smb_filename *smb_filename)
1399 {
1400         VFS_FIND(lstat);
1401         return handle->fns->lstat(handle, smb_filename);
1402 }
1403
1404 uint64_t smb_vfs_call_get_alloc_size(struct vfs_handle_struct *handle,
1405                                      struct files_struct *fsp,
1406                                      const SMB_STRUCT_STAT *sbuf)
1407 {
1408         VFS_FIND(get_alloc_size);
1409         return handle->fns->get_alloc_size(handle, fsp, sbuf);
1410 }
1411
1412 int smb_vfs_call_unlink(struct vfs_handle_struct *handle,
1413                         const struct smb_filename *smb_fname)
1414 {
1415         VFS_FIND(unlink);
1416         return handle->fns->unlink(handle, smb_fname);
1417 }
1418
1419 int smb_vfs_call_chmod(struct vfs_handle_struct *handle, const char *path,
1420                        mode_t mode)
1421 {
1422         VFS_FIND(chmod);
1423         return handle->fns->chmod(handle, path, mode);
1424 }
1425
1426 int smb_vfs_call_fchmod(struct vfs_handle_struct *handle,
1427                         struct files_struct *fsp, mode_t mode)
1428 {
1429         VFS_FIND(fchmod);
1430         return handle->fns->fchmod(handle, fsp, mode);
1431 }
1432
1433 int smb_vfs_call_chown(struct vfs_handle_struct *handle, const char *path,
1434                        uid_t uid, gid_t gid)
1435 {
1436         VFS_FIND(chown);
1437         return handle->fns->chown(handle, path, uid, gid);
1438 }
1439
1440 int smb_vfs_call_fchown(struct vfs_handle_struct *handle,
1441                         struct files_struct *fsp, uid_t uid, gid_t gid)
1442 {
1443         VFS_FIND(fchown);
1444         return handle->fns->fchown(handle, fsp, uid, gid);
1445 }
1446
1447 int smb_vfs_call_lchown(struct vfs_handle_struct *handle, const char *path,
1448                         uid_t uid, gid_t gid)
1449 {
1450         VFS_FIND(lchown);
1451         return handle->fns->lchown(handle, path, uid, gid);
1452 }
1453
1454 NTSTATUS vfs_chown_fsp(files_struct *fsp, uid_t uid, gid_t gid)
1455 {
1456         int ret;
1457
1458         if (fsp->fh->fd != -1) {
1459                 /* Try fchown. */
1460                 ret = SMB_VFS_FCHOWN(fsp, uid, gid);
1461                 if (ret == 0) {
1462                         return NT_STATUS_OK;
1463                 }
1464                 if (ret == -1 && errno != ENOSYS) {
1465                         return map_nt_error_from_unix(errno);
1466                 }
1467         }
1468
1469         if (fsp->posix_open) {
1470                 ret = SMB_VFS_LCHOWN(fsp->conn,
1471                         fsp->fsp_name->base_name,
1472                         uid, gid);
1473         } else {
1474                 ret = SMB_VFS_CHOWN(fsp->conn,
1475                         fsp->fsp_name->base_name,
1476                         uid, gid);
1477         }
1478         if (ret == 0) {
1479                 return NT_STATUS_OK;
1480         }
1481         return map_nt_error_from_unix(errno);
1482 }
1483
1484 int smb_vfs_call_chdir(struct vfs_handle_struct *handle, const char *path)
1485 {
1486         VFS_FIND(chdir);
1487         return handle->fns->chdir(handle, path);
1488 }
1489
1490 char *smb_vfs_call_getwd(struct vfs_handle_struct *handle, char *buf)
1491 {
1492         VFS_FIND(getwd);
1493         return handle->fns->getwd(handle, buf);
1494 }
1495
1496 int smb_vfs_call_ntimes(struct vfs_handle_struct *handle,
1497                         const struct smb_filename *smb_fname,
1498                         struct smb_file_time *ft)
1499 {
1500         VFS_FIND(ntimes);
1501         return handle->fns->ntimes(handle, smb_fname, ft);
1502 }
1503
1504 int smb_vfs_call_ftruncate(struct vfs_handle_struct *handle,
1505                            struct files_struct *fsp, SMB_OFF_T offset)
1506 {
1507         VFS_FIND(ftruncate);
1508         return handle->fns->ftruncate(handle, fsp, offset);
1509 }
1510
1511 int smb_vfs_call_fallocate(struct vfs_handle_struct *handle,
1512                                 struct files_struct *fsp,
1513                                 enum vfs_fallocate_mode mode,
1514                                 SMB_OFF_T offset,
1515                                 SMB_OFF_T len)
1516 {
1517         VFS_FIND(fallocate);
1518         return handle->fns->fallocate(handle, fsp, mode, offset, len);
1519 }
1520
1521 int smb_vfs_call_kernel_flock(struct vfs_handle_struct *handle,
1522                               struct files_struct *fsp, uint32 share_mode,
1523                               uint32_t access_mask)
1524 {
1525         VFS_FIND(kernel_flock);
1526         return handle->fns->kernel_flock(handle, fsp, share_mode,
1527                                          access_mask);
1528 }
1529
1530 int smb_vfs_call_linux_setlease(struct vfs_handle_struct *handle,
1531                                 struct files_struct *fsp, int leasetype)
1532 {
1533         VFS_FIND(linux_setlease);
1534         return handle->fns->linux_setlease(handle, fsp, leasetype);
1535 }
1536
1537 int smb_vfs_call_symlink(struct vfs_handle_struct *handle, const char *oldpath,
1538                          const char *newpath)
1539 {
1540         VFS_FIND(symlink);
1541         return handle->fns->symlink(handle, oldpath, newpath);
1542 }
1543
1544 int smb_vfs_call_vfs_readlink(struct vfs_handle_struct *handle,
1545                               const char *path, char *buf, size_t bufsiz)
1546 {
1547         VFS_FIND(vfs_readlink);
1548         return handle->fns->vfs_readlink(handle, path, buf, bufsiz);
1549 }
1550
1551 int smb_vfs_call_link(struct vfs_handle_struct *handle, const char *oldpath,
1552                       const char *newpath)
1553 {
1554         VFS_FIND(link);
1555         return handle->fns->link(handle, oldpath, newpath);
1556 }
1557
1558 int smb_vfs_call_mknod(struct vfs_handle_struct *handle, const char *path,
1559                        mode_t mode, SMB_DEV_T dev)
1560 {
1561         VFS_FIND(mknod);
1562         return handle->fns->mknod(handle, path, mode, dev);
1563 }
1564
1565 char *smb_vfs_call_realpath(struct vfs_handle_struct *handle, const char *path)
1566 {
1567         VFS_FIND(realpath);
1568         return handle->fns->realpath(handle, path);
1569 }
1570
1571 NTSTATUS smb_vfs_call_notify_watch(struct vfs_handle_struct *handle,
1572                                    struct sys_notify_context *ctx,
1573                                    struct notify_entry *e,
1574                                    void (*callback)(struct sys_notify_context *ctx,
1575                                                     void *private_data,
1576                                                     struct notify_event *ev),
1577                                    void *private_data, void *handle_p)
1578 {
1579         VFS_FIND(notify_watch);
1580         return handle->fns->notify_watch(handle, ctx, e, callback,
1581                                          private_data, handle_p);
1582 }
1583
1584 int smb_vfs_call_chflags(struct vfs_handle_struct *handle, const char *path,
1585                          unsigned int flags)
1586 {
1587         VFS_FIND(chflags);
1588         return handle->fns->chflags(handle, path, flags);
1589 }
1590
1591 struct file_id smb_vfs_call_file_id_create(struct vfs_handle_struct *handle,
1592                                            const SMB_STRUCT_STAT *sbuf)
1593 {
1594         VFS_FIND(file_id_create);
1595         return handle->fns->file_id_create(handle, sbuf);
1596 }
1597
1598 NTSTATUS smb_vfs_call_streaminfo(struct vfs_handle_struct *handle,
1599                                  struct files_struct *fsp,
1600                                  const char *fname,
1601                                  TALLOC_CTX *mem_ctx,
1602                                  unsigned int *num_streams,
1603                                  struct stream_struct **streams)
1604 {
1605         VFS_FIND(streaminfo);
1606         return handle->fns->streaminfo(handle, fsp, fname, mem_ctx,
1607                                        num_streams, streams);
1608 }
1609
1610 int smb_vfs_call_get_real_filename(struct vfs_handle_struct *handle,
1611                                    const char *path, const char *name,
1612                                    TALLOC_CTX *mem_ctx, char **found_name)
1613 {
1614         VFS_FIND(get_real_filename);
1615         return handle->fns->get_real_filename(handle, path, name, mem_ctx,
1616                                               found_name);
1617 }
1618
1619 const char *smb_vfs_call_connectpath(struct vfs_handle_struct *handle,
1620                                      const char *filename)
1621 {
1622         VFS_FIND(connectpath);
1623         return handle->fns->connectpath(handle, filename);
1624 }
1625
1626 bool smb_vfs_call_strict_lock(struct vfs_handle_struct *handle,
1627                               struct files_struct *fsp,
1628                               struct lock_struct *plock)
1629 {
1630         VFS_FIND(strict_lock);
1631         return handle->fns->strict_lock(handle, fsp, plock);
1632 }
1633
1634 void smb_vfs_call_strict_unlock(struct vfs_handle_struct *handle,
1635                                 struct files_struct *fsp,
1636                                 struct lock_struct *plock)
1637 {
1638         VFS_FIND(strict_unlock);
1639         handle->fns->strict_unlock(handle, fsp, plock);
1640 }
1641
1642 NTSTATUS smb_vfs_call_translate_name(struct vfs_handle_struct *handle,
1643                                      const char *name,
1644                                      enum vfs_translate_direction direction,
1645                                      TALLOC_CTX *mem_ctx,
1646                                      char **mapped_name)
1647 {
1648         VFS_FIND(translate_name);
1649         return handle->fns->translate_name(handle, name, direction, mem_ctx,
1650                                            mapped_name);
1651 }
1652
1653 NTSTATUS smb_vfs_call_fget_nt_acl(struct vfs_handle_struct *handle,
1654                                   struct files_struct *fsp,
1655                                   uint32 security_info,
1656                                   struct security_descriptor **ppdesc)
1657 {
1658         VFS_FIND(fget_nt_acl);
1659         return handle->fns->fget_nt_acl(handle, fsp, security_info,
1660                                         ppdesc);
1661 }
1662
1663 NTSTATUS smb_vfs_call_get_nt_acl(struct vfs_handle_struct *handle,
1664                                  const char *name,
1665                                  uint32 security_info,
1666                                  struct security_descriptor **ppdesc)
1667 {
1668         VFS_FIND(get_nt_acl);
1669         return handle->fns->get_nt_acl(handle, name, security_info, ppdesc);
1670 }
1671
1672 NTSTATUS smb_vfs_call_fset_nt_acl(struct vfs_handle_struct *handle,
1673                                   struct files_struct *fsp,
1674                                   uint32 security_info_sent,
1675                                   const struct security_descriptor *psd)
1676 {
1677         VFS_FIND(fset_nt_acl);
1678         return handle->fns->fset_nt_acl(handle, fsp, security_info_sent, psd);
1679 }
1680
1681 int smb_vfs_call_chmod_acl(struct vfs_handle_struct *handle, const char *name,
1682                            mode_t mode)
1683 {
1684         VFS_FIND(chmod_acl);
1685         return handle->fns->chmod_acl(handle, name, mode);
1686 }
1687
1688 int smb_vfs_call_fchmod_acl(struct vfs_handle_struct *handle,
1689                             struct files_struct *fsp, mode_t mode)
1690 {
1691         VFS_FIND(fchmod_acl);
1692         return handle->fns->fchmod_acl(handle, fsp, mode);
1693 }
1694
1695 int smb_vfs_call_sys_acl_get_entry(struct vfs_handle_struct *handle,
1696                                    SMB_ACL_T theacl, int entry_id,
1697                                    SMB_ACL_ENTRY_T *entry_p)
1698 {
1699         VFS_FIND(sys_acl_get_entry);
1700         return handle->fns->sys_acl_get_entry(handle, theacl, entry_id,
1701                                               entry_p);
1702 }
1703
1704 int smb_vfs_call_sys_acl_get_tag_type(struct vfs_handle_struct *handle,
1705                                       SMB_ACL_ENTRY_T entry_d,
1706                                       SMB_ACL_TAG_T *tag_type_p)
1707 {
1708         VFS_FIND(sys_acl_get_tag_type);
1709         return handle->fns->sys_acl_get_tag_type(handle, entry_d, tag_type_p);
1710 }
1711
1712 int smb_vfs_call_sys_acl_get_permset(struct vfs_handle_struct *handle,
1713                                      SMB_ACL_ENTRY_T entry_d,
1714                                      SMB_ACL_PERMSET_T *permset_p)
1715 {
1716         VFS_FIND(sys_acl_get_permset);
1717         return handle->fns->sys_acl_get_permset(handle, entry_d, permset_p);
1718 }
1719
1720 void * smb_vfs_call_sys_acl_get_qualifier(struct vfs_handle_struct *handle,
1721                                           SMB_ACL_ENTRY_T entry_d)
1722 {
1723         VFS_FIND(sys_acl_get_qualifier);
1724         return handle->fns->sys_acl_get_qualifier(handle, entry_d);
1725 }
1726
1727 SMB_ACL_T smb_vfs_call_sys_acl_get_file(struct vfs_handle_struct *handle,
1728                                         const char *path_p,
1729                                         SMB_ACL_TYPE_T type)
1730 {
1731         VFS_FIND(sys_acl_get_file);
1732         return handle->fns->sys_acl_get_file(handle, path_p, type);
1733 }
1734
1735 SMB_ACL_T smb_vfs_call_sys_acl_get_fd(struct vfs_handle_struct *handle,
1736                                       struct files_struct *fsp)
1737 {
1738         VFS_FIND(sys_acl_get_fd);
1739         return handle->fns->sys_acl_get_fd(handle, fsp);
1740 }
1741
1742 int smb_vfs_call_sys_acl_clear_perms(struct vfs_handle_struct *handle,
1743                                      SMB_ACL_PERMSET_T permset)
1744 {
1745         VFS_FIND(sys_acl_clear_perms);
1746         return handle->fns->sys_acl_clear_perms(handle, permset);
1747 }
1748
1749 int smb_vfs_call_sys_acl_add_perm(struct vfs_handle_struct *handle,
1750                                   SMB_ACL_PERMSET_T permset,
1751                                   SMB_ACL_PERM_T perm)
1752 {
1753         VFS_FIND(sys_acl_add_perm);
1754         return handle->fns->sys_acl_add_perm(handle, permset, perm);
1755 }
1756
1757 char * smb_vfs_call_sys_acl_to_text(struct vfs_handle_struct *handle,
1758                                     SMB_ACL_T theacl, ssize_t *plen)
1759 {
1760         VFS_FIND(sys_acl_to_text);
1761         return handle->fns->sys_acl_to_text(handle, theacl, plen);
1762 }
1763
1764 SMB_ACL_T smb_vfs_call_sys_acl_init(struct vfs_handle_struct *handle,
1765                                     int count)
1766 {
1767         VFS_FIND(sys_acl_init);
1768         return handle->fns->sys_acl_init(handle, count);
1769 }
1770
1771 int smb_vfs_call_sys_acl_create_entry(struct vfs_handle_struct *handle,
1772                                       SMB_ACL_T *pacl, SMB_ACL_ENTRY_T *pentry)
1773 {
1774         VFS_FIND(sys_acl_create_entry);
1775         return handle->fns->sys_acl_create_entry(handle, pacl, pentry);
1776 }
1777
1778 int smb_vfs_call_sys_acl_set_tag_type(struct vfs_handle_struct *handle,
1779                                       SMB_ACL_ENTRY_T entry,
1780                                       SMB_ACL_TAG_T tagtype)
1781 {
1782         VFS_FIND(sys_acl_set_tag_type);
1783         return handle->fns->sys_acl_set_tag_type(handle, entry, tagtype);
1784 }
1785
1786 int smb_vfs_call_sys_acl_set_qualifier(struct vfs_handle_struct *handle,
1787                                        SMB_ACL_ENTRY_T entry, void *qual)
1788 {
1789         VFS_FIND(sys_acl_set_qualifier);
1790         return handle->fns->sys_acl_set_qualifier(handle, entry, qual);
1791 }
1792
1793 int smb_vfs_call_sys_acl_set_permset(struct vfs_handle_struct *handle,
1794                                      SMB_ACL_ENTRY_T entry,
1795                                      SMB_ACL_PERMSET_T permset)
1796 {
1797         VFS_FIND(sys_acl_set_permset);
1798         return handle->fns->sys_acl_set_permset(handle, entry, permset);
1799 }
1800
1801 int smb_vfs_call_sys_acl_valid(struct vfs_handle_struct *handle,
1802                                SMB_ACL_T theacl)
1803 {
1804         VFS_FIND(sys_acl_valid);
1805         return handle->fns->sys_acl_valid(handle, theacl);
1806 }
1807
1808 int smb_vfs_call_sys_acl_set_file(struct vfs_handle_struct *handle,
1809                                   const char *name, SMB_ACL_TYPE_T acltype,
1810                                   SMB_ACL_T theacl)
1811 {
1812         VFS_FIND(sys_acl_set_file);
1813         return handle->fns->sys_acl_set_file(handle, name, acltype, theacl);
1814 }
1815
1816 int smb_vfs_call_sys_acl_set_fd(struct vfs_handle_struct *handle,
1817                                 struct files_struct *fsp, SMB_ACL_T theacl)
1818 {
1819         VFS_FIND(sys_acl_set_fd);
1820         return handle->fns->sys_acl_set_fd(handle, fsp, theacl);
1821 }
1822
1823 int smb_vfs_call_sys_acl_delete_def_file(struct vfs_handle_struct *handle,
1824                                          const char *path)
1825 {
1826         VFS_FIND(sys_acl_delete_def_file);
1827         return handle->fns->sys_acl_delete_def_file(handle, path);
1828 }
1829
1830 int smb_vfs_call_sys_acl_get_perm(struct vfs_handle_struct *handle,
1831                                   SMB_ACL_PERMSET_T permset,
1832                                   SMB_ACL_PERM_T perm)
1833 {
1834         VFS_FIND(sys_acl_get_perm);
1835         return handle->fns->sys_acl_get_perm(handle, permset, perm);
1836 }
1837
1838 int smb_vfs_call_sys_acl_free_text(struct vfs_handle_struct *handle,
1839                                    char *text)
1840 {
1841         VFS_FIND(sys_acl_free_text);
1842         return handle->fns->sys_acl_free_text(handle, text);
1843 }
1844
1845 int smb_vfs_call_sys_acl_free_acl(struct vfs_handle_struct *handle,
1846                                   SMB_ACL_T posix_acl)
1847 {
1848         VFS_FIND(sys_acl_free_acl);
1849         return handle->fns->sys_acl_free_acl(handle, posix_acl);
1850 }
1851
1852 int smb_vfs_call_sys_acl_free_qualifier(struct vfs_handle_struct *handle,
1853                                         void *qualifier, SMB_ACL_TAG_T tagtype)
1854 {
1855         VFS_FIND(sys_acl_free_qualifier);
1856         return handle->fns->sys_acl_free_qualifier(handle, qualifier, tagtype);
1857 }
1858
1859 ssize_t smb_vfs_call_getxattr(struct vfs_handle_struct *handle,
1860                               const char *path, const char *name, void *value,
1861                               size_t size)
1862 {
1863         VFS_FIND(getxattr);
1864         return handle->fns->getxattr(handle, path, name, value, size);
1865 }
1866
1867 ssize_t smb_vfs_call_lgetxattr(struct vfs_handle_struct *handle,
1868                                const char *path, const char *name, void *value,
1869                                size_t size)
1870 {
1871         VFS_FIND(lgetxattr);
1872         return handle->fns->lgetxattr(handle, path, name, value, size);
1873 }
1874
1875 ssize_t smb_vfs_call_fgetxattr(struct vfs_handle_struct *handle,
1876                                struct files_struct *fsp, const char *name,
1877                                void *value, size_t size)
1878 {
1879         VFS_FIND(fgetxattr);
1880         return handle->fns->fgetxattr(handle, fsp, name, value, size);
1881 }
1882
1883 ssize_t smb_vfs_call_listxattr(struct vfs_handle_struct *handle,
1884                                const char *path, char *list, size_t size)
1885 {
1886         VFS_FIND(listxattr);
1887         return handle->fns->listxattr(handle, path, list, size);
1888 }
1889
1890 ssize_t smb_vfs_call_llistxattr(struct vfs_handle_struct *handle,
1891                                 const char *path, char *list, size_t size)
1892 {
1893         VFS_FIND(llistxattr);
1894         return handle->fns->llistxattr(handle, path, list, size);
1895 }
1896
1897 ssize_t smb_vfs_call_flistxattr(struct vfs_handle_struct *handle,
1898                                 struct files_struct *fsp, char *list,
1899                                 size_t size)
1900 {
1901         VFS_FIND(flistxattr);
1902         return handle->fns->flistxattr(handle, fsp, list, size);
1903 }
1904
1905 int smb_vfs_call_removexattr(struct vfs_handle_struct *handle,
1906                              const char *path, const char *name)
1907 {
1908         VFS_FIND(removexattr);
1909         return handle->fns->removexattr(handle, path, name);
1910 }
1911
1912 int smb_vfs_call_lremovexattr(struct vfs_handle_struct *handle,
1913                               const char *path, const char *name)
1914 {
1915         VFS_FIND(lremovexattr);
1916         return handle->fns->lremovexattr(handle, path, name);
1917 }
1918
1919 int smb_vfs_call_fremovexattr(struct vfs_handle_struct *handle,
1920                               struct files_struct *fsp, const char *name)
1921 {
1922         VFS_FIND(fremovexattr);
1923         return handle->fns->fremovexattr(handle, fsp, name);
1924 }
1925
1926 int smb_vfs_call_setxattr(struct vfs_handle_struct *handle, const char *path,
1927                           const char *name, const void *value, size_t size,
1928                           int flags)
1929 {
1930         VFS_FIND(setxattr);
1931         return handle->fns->setxattr(handle, path, name, value, size, flags);
1932 }
1933
1934 int smb_vfs_call_lsetxattr(struct vfs_handle_struct *handle, const char *path,
1935                            const char *name, const void *value, size_t size,
1936                            int flags)
1937 {
1938         VFS_FIND(lsetxattr);
1939         return handle->fns->lsetxattr(handle, path, name, value, size, flags);
1940 }
1941
1942 int smb_vfs_call_fsetxattr(struct vfs_handle_struct *handle,
1943                            struct files_struct *fsp, const char *name,
1944                            const void *value, size_t size, int flags)
1945 {
1946         VFS_FIND(fsetxattr);
1947         return handle->fns->fsetxattr(handle, fsp, name, value, size, flags);
1948 }
1949
1950 int smb_vfs_call_aio_read(struct vfs_handle_struct *handle,
1951                           struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb)
1952 {
1953         VFS_FIND(aio_read);
1954         return handle->fns->aio_read(handle, fsp, aiocb);
1955 }
1956
1957 int smb_vfs_call_aio_write(struct vfs_handle_struct *handle,
1958                            struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb)
1959 {
1960         VFS_FIND(aio_write);
1961         return handle->fns->aio_write(handle, fsp, aiocb);
1962 }
1963
1964 ssize_t smb_vfs_call_aio_return_fn(struct vfs_handle_struct *handle,
1965                                    struct files_struct *fsp,
1966                                    SMB_STRUCT_AIOCB *aiocb)
1967 {
1968         VFS_FIND(aio_return_fn);
1969         return handle->fns->aio_return_fn(handle, fsp, aiocb);
1970 }
1971
1972 int smb_vfs_call_aio_cancel(struct vfs_handle_struct *handle,
1973                             struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb)
1974 {
1975         VFS_FIND(aio_cancel);
1976         return handle->fns->aio_cancel(handle, fsp, aiocb);
1977 }
1978
1979 int smb_vfs_call_aio_error_fn(struct vfs_handle_struct *handle,
1980                               struct files_struct *fsp,
1981                               SMB_STRUCT_AIOCB *aiocb)
1982 {
1983         VFS_FIND(aio_error_fn);
1984         return handle->fns->aio_error_fn(handle, fsp, aiocb);
1985 }
1986
1987 int smb_vfs_call_aio_fsync(struct vfs_handle_struct *handle,
1988                            struct files_struct *fsp, int op,
1989                            SMB_STRUCT_AIOCB *aiocb)
1990 {
1991         VFS_FIND(aio_fsync);
1992         return handle->fns->aio_fsync(handle, fsp, op, aiocb);
1993 }
1994
1995 int smb_vfs_call_aio_suspend(struct vfs_handle_struct *handle,
1996                              struct files_struct *fsp,
1997                              const SMB_STRUCT_AIOCB * const aiocb[], int n,
1998                              const struct timespec *timeout)
1999 {
2000         VFS_FIND(aio_suspend);
2001         return handle->fns->aio_suspend(handle, fsp, aiocb, n, timeout);
2002 }
2003
2004 bool smb_vfs_call_aio_force(struct vfs_handle_struct *handle,
2005                             struct files_struct *fsp)
2006 {
2007         VFS_FIND(aio_force);
2008         return handle->fns->aio_force(handle, fsp);
2009 }
2010
2011 bool smb_vfs_call_is_offline(struct vfs_handle_struct *handle,
2012                              const struct smb_filename *fname,
2013                              SMB_STRUCT_STAT *sbuf)
2014 {
2015         VFS_FIND(is_offline);
2016         return handle->fns->is_offline(handle, fname, sbuf);
2017 }
2018
2019 int smb_vfs_call_set_offline(struct vfs_handle_struct *handle,
2020                              const struct smb_filename *fname)
2021 {
2022         VFS_FIND(set_offline);
2023         return handle->fns->set_offline(handle, fname);
2024 }