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