source3/modules/vfs_catia.c

   1 /*
   2  * Catia VFS module
   3  *
   4  * Implement a fixed mapping of forbidden NT characters in filenames that are
   5  * used a lot by the CAD package Catia.
   6  *
   7  * Catia V4 on AIX uses characters like "<*$ a *lot*, all forbidden under
   8  * Windows...
   9  *
  10  * Copyright (C) Volker Lendecke, 2005
  11  * Copyright (C) Aravind Srinivasan, 2009
  12  * Copyright (C) Guenter Kukkukk, 2013
  13  * Copyright (C) Ralph Boehme, 2017
  14  *
  15  * This program is free software; you can redistribute it and/or modify
  16  * it under the terms of the GNU General Public License as published by
  17  * the Free Software Foundation; either version 3 of the License, or
  18  * (at your option) any later version.
  19  *
  20  * This program is distributed in the hope that it will be useful,
  21  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  22  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  23  * GNU General Public License for more details.
  24  *
  25  * You should have received a copy of the GNU General Public License
  26  * along with this program; if not, see <http://www.gnu.org/licenses/>.
  27  */
  28
  29
  30 #include "includes.h"
  31 #include "smbd/smbd.h"
  32 #include "lib/util/tevent_unix.h"
  33 #include "lib/util/tevent_ntstatus.h"
  34 #include "string_replace.h"
  35
  36 static int vfs_catia_debug_level = DBGC_VFS;
  37
  38 #undef DBGC_CLASS
  39 #define DBGC_CLASS vfs_catia_debug_level
  40
  41 struct share_mapping_entry {
  42         int snum;
  43         struct share_mapping_entry *next;
  44         struct char_mappings **mappings;
  45 };
  46
  47 struct catia_cache {
  48         bool is_fsp_ext;
  49         const struct catia_cache * const *busy;
  50         char *orig_fname;
  51         char *fname;
  52         char *orig_base_fname;
  53         char *base_fname;
  54 };
  55
  56 static struct share_mapping_entry *srt_head = NULL;
  57
  58 static struct share_mapping_entry *get_srt(connection_struct *conn,
  59                                            struct share_mapping_entry **global)
  60 {
  61         struct share_mapping_entry *share;
  62
  63         for (share = srt_head; share != NULL; share = share->next) {
  64                 if (share->snum == GLOBAL_SECTION_SNUM)
  65                         (*global) = share;
  66
  67                 if (share->snum == SNUM(conn))
  68                         return share;
  69         }
  70
  71         return share;
  72 }
  73
  74 static struct share_mapping_entry *add_srt(int snum, const char **mappings)
  75 {
  76         struct share_mapping_entry *sme = NULL;
  77
  78         sme = TALLOC_ZERO(NULL, sizeof(struct share_mapping_entry));
  79         if (sme == NULL)
  80                 return sme;
  81
  82         sme->snum = snum;
  83         sme->next = srt_head;
  84         srt_head = sme;
  85
  86         if (mappings == NULL) {
  87                 sme->mappings = NULL;
  88                 return sme;
  89         }
  90
  91         sme->mappings = string_replace_init_map(sme, mappings);
  92
  93         return sme;
  94 }
  95
  96 static bool init_mappings(connection_struct *conn,
  97                           struct share_mapping_entry **selected_out)
  98 {
  99         const char **mappings = NULL;
 100         struct share_mapping_entry *share_level = NULL;
 101         struct share_mapping_entry *global = NULL;
 102
 103         /* check srt cache */
 104         share_level = get_srt(conn, &global);
 105         if (share_level) {
 106                 *selected_out = share_level;
 107                 return (share_level->mappings != NULL);
 108         }
 109
 110         /* see if we have a global setting */
 111         if (!global) {
 112                 /* global setting */
 113                 mappings = lp_parm_string_list(-1, "catia", "mappings", NULL);
 114                 global = add_srt(GLOBAL_SECTION_SNUM, mappings);
 115         }
 116
 117         /* no global setting - what about share level ? */
 118         mappings = lp_parm_string_list(SNUM(conn), "catia", "mappings", NULL);
 119         share_level = add_srt(SNUM(conn), mappings);
 120
 121         if (share_level->mappings) {
 122                 (*selected_out) = share_level;
 123                 return True;
 124         }
 125         if (global->mappings) {
 126                 share_level->mappings = global->mappings;
 127                 (*selected_out) = share_level;
 128                 return True;
 129         }
 130
 131         return False;
 132 }
 133
 134 static NTSTATUS catia_string_replace_allocate(connection_struct *conn,
 135                                               const char *name_in,
 136                                               char **mapped_name,
 137                                         enum vfs_translate_direction direction)
 138 {
 139         struct share_mapping_entry *selected;
 140         NTSTATUS status;
 141
 142         if (!init_mappings(conn, &selected)) {
 143                 /* No mappings found. Just use the old name */
 144                 *mapped_name = talloc_strdup(talloc_tos(), name_in);
 145                 if (!*mapped_name) {
 146                         errno = ENOMEM;
 147                         return NT_STATUS_NO_MEMORY;
 148                 }
 149                 return NT_STATUS_OK;
 150         }
 151
 152         status = string_replace_allocate(conn,
 153                                          name_in,
 154                                          selected->mappings,
 155                                          talloc_tos(),
 156                                          mapped_name,
 157                                          direction);
 158         return status;
 159 }
 160
 161 static int catia_connect(struct vfs_handle_struct *handle,
 162                          const char *service,
 163                          const char *user)
 164 {
 165         /*
 166          * Unless we have an async implementation of get_dos_attributes turn
 167          * this off.
 168          */
 169         lp_do_parameter(SNUM(handle->conn), "smbd:async dosmode", "false");
 170
 171         return SMB_VFS_NEXT_CONNECT(handle, service, user);
 172 }
 173
 174 /*
 175  * TRANSLATE_NAME call which converts the given name to
 176  * "WINDOWS displayable" name
 177  */
 178 static NTSTATUS catia_translate_name(struct vfs_handle_struct *handle,
 179                                      const char *orig_name,
 180                                      enum vfs_translate_direction direction,
 181                                      TALLOC_CTX *mem_ctx,
 182                                      char **pmapped_name)
 183 {
 184         char *name = NULL;
 185         char *mapped_name;
 186         NTSTATUS status, ret;
 187
 188         /*
 189          * Copy the supplied name and free the memory for mapped_name,
 190          * already allocated by the caller.
 191          * We will be allocating new memory for mapped_name in
 192          * catia_string_replace_allocate
 193          */
 194         name = talloc_strdup(talloc_tos(), orig_name);
 195         if (!name) {
 196                 errno = ENOMEM;
 197                 return NT_STATUS_NO_MEMORY;
 198         }
 199         status = catia_string_replace_allocate(handle->conn, name,
 200                         &mapped_name, direction);
 201
 202         TALLOC_FREE(name);
 203         if (!NT_STATUS_IS_OK(status)) {
 204                 return status;
 205         }
 206
 207         ret = SMB_VFS_NEXT_TRANSLATE_NAME(handle, mapped_name, direction,
 208                                           mem_ctx, pmapped_name);
 209
 210         if (NT_STATUS_EQUAL(ret, NT_STATUS_NONE_MAPPED)) {
 211                 *pmapped_name = talloc_move(mem_ctx, &mapped_name);
 212                 /* we need to return the former translation result here */
 213                 ret = status;
 214         } else {
 215                 TALLOC_FREE(mapped_name);
 216         }
 217
 218         return ret;
 219 }
 220
 221 #define CATIA_DEBUG_CC(lvl, cc, fsp) \
 222         catia_debug_cc((lvl), (cc), (fsp), __location__);
 223
 224 static void catia_debug_cc(int lvl,
 225                            struct catia_cache *cc,
 226                            files_struct *fsp,
 227                            const char *location)
 228 {
 229         DEBUG(lvl, ("%s: cc [%p] cc->busy [%p] "
 230                     "is_fsp_ext [%s] "
 231                     "fsp [%p] fsp name [%s] "
 232                     "orig_fname [%s] "
 233                     "fname [%s] "
 234                     "orig_base_fname [%s] "
 235                     "base_fname [%s]\n",
 236                     location,
 237                     cc, cc->busy,
 238                     cc->is_fsp_ext ? "yes" : "no",
 239                     fsp, fsp_str_dbg(fsp),
 240                     cc->orig_fname, cc->fname,
 241                     cc->orig_base_fname, cc->base_fname));
 242 }
 243
 244 static void catia_free_cc(struct catia_cache **_cc,
 245                           vfs_handle_struct *handle,
 246                           files_struct *fsp)
 247 {
 248         struct catia_cache *cc = *_cc;
 249
 250         if (cc->is_fsp_ext) {
 251                 VFS_REMOVE_FSP_EXTENSION(handle, fsp);
 252                 cc = NULL;
 253         } else {
 254                 TALLOC_FREE(cc);
 255         }
 256
 257         *_cc = NULL;
 258 }
 259
 260 static struct catia_cache *catia_validate_and_apply_cc(
 261                                        vfs_handle_struct *handle,
 262                                        files_struct *fsp,
 263                                        const struct catia_cache * const *busy,
 264                                        bool *make_tmp_cache)
 265 {
 266         struct catia_cache *cc = NULL;
 267
 268         *make_tmp_cache = false;
 269
 270         cc = (struct catia_cache *)VFS_FETCH_FSP_EXTENSION(handle, fsp);
 271         if (cc == NULL) {
 272                 return NULL;
 273         }
 274
 275         if (cc->busy != NULL) {
 276                 if (cc->busy == busy) {
 277                         /* This should never happen */
 278                         CATIA_DEBUG_CC(0, cc, fsp);
 279                         smb_panic(__location__);
 280                 }
 281
 282                 /*
 283                  * Recursion. Validate names, the names in the fsp's should be
 284                  * the translated names we had set.
 285                  */
 286
 287                 if ((cc->fname != fsp->fsp_name->base_name)
 288                     ||
 289                     ((fsp->base_fsp != NULL) &&
 290                      (cc->base_fname != fsp->base_fsp->fsp_name->base_name)))
 291                 {
 292                         CATIA_DEBUG_CC(10, cc, fsp);
 293
 294                         /*
 295                          * Names changed. Setting don't expose the cache on the
 296                          * fsp and ask the caller to create a temporary cache.
 297                          */
 298                         *make_tmp_cache = true;
 299                         return NULL;
 300                 }
 301
 302                 /*
 303                  * Ok, a validated cache while in a recursion, just let the
 304                  * caller detect that cc->busy is != busy and there's
 305                  * nothing else to do.
 306                  */
 307                 CATIA_DEBUG_CC(10, cc, fsp);
 308                 return cc;
 309         }
 310
 311         /* Not in a recursion */
 312
 313         if ((cc->orig_fname != fsp->fsp_name->base_name)
 314             ||
 315             ((fsp->base_fsp != NULL) &&
 316              (cc->orig_base_fname != fsp->base_fsp->fsp_name->base_name)))
 317         {
 318                 /*
 319                  * fsp names changed, this can happen in an rename op.
 320                  * Trigger recreation as a full fledged fsp extension.
 321                  */
 322
 323                 CATIA_DEBUG_CC(10, cc, fsp);
 324                 catia_free_cc(&cc, handle, fsp);
 325                 return NULL;
 326         }
 327
 328
 329         /*
 330          * Ok, we found a valid cache entry, no recursion. Just set translated
 331          * names from the cache and mark the cc as busy.
 332          */
 333         fsp->fsp_name->base_name = cc->fname;
 334         if (fsp->base_fsp != NULL) {
 335                 fsp->base_fsp->fsp_name->base_name = cc->base_fname;
 336         }
 337
 338         cc->busy = busy;
 339         CATIA_DEBUG_CC(10, cc, fsp);
 340         return cc;
 341 }
 342
 343 #define CATIA_FETCH_FSP_PRE_NEXT(mem_ctx, handle, fsp, _cc) \
 344         catia_fetch_fsp_pre_next((mem_ctx), (handle), (fsp), (_cc), __func__);
 345
 346 static int catia_fetch_fsp_pre_next(TALLOC_CTX *mem_ctx,
 347                                     vfs_handle_struct *handle,
 348                                     files_struct *fsp,
 349                                     struct catia_cache **_cc,
 350                                     const char *function)
 351 {
 352         const struct catia_cache * const *busy =
 353                 (const struct catia_cache * const *)_cc;
 354         struct catia_cache *cc = NULL;
 355         NTSTATUS status;
 356         bool make_tmp_cache = false;
 357
 358         *_cc = NULL;
 359
 360         DBG_DEBUG("Called from [%s]\n", function);
 361
 362         cc = catia_validate_and_apply_cc(handle,
 363                                          fsp,
 364                                          busy,
 365                                          &make_tmp_cache);
 366         if (cc != NULL) {
 367                 if (cc->busy != busy) {
 368                         return 0;
 369                 }
 370                 *_cc = cc;
 371                 return 0;
 372         }
 373
 374         if (!make_tmp_cache) {
 375                 cc = VFS_ADD_FSP_EXTENSION(
 376                         handle, fsp, struct catia_cache, NULL);
 377                 if (cc == NULL) {
 378                         return -1;
 379                 }
 380                 *cc = (struct catia_cache) {
 381                         .is_fsp_ext = true,
 382                 };
 383
 384                 mem_ctx = VFS_MEMCTX_FSP_EXTENSION(handle, fsp);
 385                 if (mem_ctx == NULL) {
 386                         DBG_ERR("VFS_MEMCTX_FSP_EXTENSION failed\n");
 387                         catia_free_cc(&cc, handle, fsp);
 388                         return -1;
 389                 }
 390         } else {
 391                 cc = talloc_zero(mem_ctx, struct catia_cache);
 392                 if (cc == NULL) {
 393                         return -1;
 394                 }
 395                 mem_ctx = cc;
 396         }
 397
 398
 399         status = catia_string_replace_allocate(handle->conn,
 400                                                fsp->fsp_name->base_name,
 401                                                &cc->fname,
 402                                                vfs_translate_to_unix);
 403         if (!NT_STATUS_IS_OK(status)) {
 404                 catia_free_cc(&cc, handle, fsp);
 405                 errno = map_errno_from_nt_status(status);
 406                 return -1;
 407         }
 408         talloc_steal(mem_ctx, cc->fname);
 409
 410         if (fsp->base_fsp != NULL) {
 411                 status = catia_string_replace_allocate(
 412                         handle->conn,
 413                         fsp->base_fsp->fsp_name->base_name,
 414                         &cc->base_fname,
 415                         vfs_translate_to_unix);
 416                 if (!NT_STATUS_IS_OK(status)) {
 417                         catia_free_cc(&cc, handle, fsp);
 418                         errno = map_errno_from_nt_status(status);
 419                         return -1;
 420                 }
 421                 talloc_steal(mem_ctx, cc->base_fname);
 422         }
 423
 424         cc->orig_fname = fsp->fsp_name->base_name;
 425         fsp->fsp_name->base_name = cc->fname;
 426
 427         if (fsp->base_fsp != NULL) {
 428                 cc->orig_base_fname = fsp->base_fsp->fsp_name->base_name;
 429                 fsp->base_fsp->fsp_name->base_name = cc->base_fname;
 430         }
 431
 432         cc->busy = busy;
 433         CATIA_DEBUG_CC(10, cc, fsp);
 434
 435         *_cc = cc;
 436
 437         return 0;
 438 }
 439
 440 #define CATIA_FETCH_FSP_POST_NEXT(_cc, fsp) do { \
 441         int catia_saved_errno = errno; \
 442         catia_fetch_fsp_post_next((_cc), (fsp), __func__); \
 443         errno = catia_saved_errno; \
 444 } while(0)
 445
 446 static void catia_fetch_fsp_post_next(struct catia_cache **_cc,
 447                                       files_struct *fsp,
 448                                       const char *function)
 449 {
 450         const struct catia_cache * const *busy =
 451                 (const struct catia_cache * const *)_cc;
 452         struct catia_cache *cc = *_cc;
 453
 454         DBG_DEBUG("Called from [%s]\n", function);
 455
 456         if (cc == NULL) {
 457                 /*
 458                  * This can happen when recursing in the VFS on the fsp when the
 459                  * pre_next func noticed the recursion and set out cc pointer to
 460                  * NULL.
 461                  */
 462                 return;
 463         }
 464
 465         if (cc->busy != busy) {
 466                 CATIA_DEBUG_CC(0, cc, fsp);
 467                 smb_panic(__location__);
 468                 return;
 469         }
 470
 471         cc->busy = NULL;
 472         *_cc = NULL;
 473
 474         fsp->fsp_name->base_name = cc->orig_fname;
 475         if (fsp->base_fsp != NULL) {
 476                 fsp->base_fsp->fsp_name->base_name = cc->orig_base_fname;
 477         }
 478
 479         CATIA_DEBUG_CC(10, cc, fsp);
 480
 481         if (!cc->is_fsp_ext) {
 482                 TALLOC_FREE(cc);
 483         }
 484
 485         return;
 486 }
 487
 488 static int catia_openat(vfs_handle_struct *handle,
 489                         const struct files_struct *dirfsp,
 490                         const struct smb_filename *smb_fname_in,
 491                         files_struct *fsp,
 492                         int flags,
 493                         mode_t mode)
 494 {
 495         struct smb_filename *smb_fname = NULL;
 496         struct catia_cache *cc = NULL;
 497         char *mapped_name = NULL;
 498         NTSTATUS status;
 499         int ret;
 500         int saved_errno = 0;
 501
 502         status = catia_string_replace_allocate(handle->conn,
 503                                                smb_fname_in->base_name,
 504                                                &mapped_name,
 505                                                vfs_translate_to_unix);
 506         if (!NT_STATUS_IS_OK(status)) {
 507                 return -1;
 508         }
 509
 510         ret = CATIA_FETCH_FSP_PRE_NEXT(talloc_tos(), handle, fsp, &cc);
 511         if (ret != 0) {
 512                 TALLOC_FREE(mapped_name);
 513                 return ret;
 514         }
 515
 516         smb_fname = cp_smb_filename(talloc_tos(), smb_fname_in);
 517         if (smb_fname == NULL) {
 518                 TALLOC_FREE(mapped_name);
 519                 errno = ENOMEM;
 520                 return -1;
 521         }
 522         smb_fname->base_name = mapped_name;
 523
 524         ret = SMB_VFS_NEXT_OPENAT(handle,
 525                                   dirfsp,
 526                                   smb_fname,
 527                                   fsp,
 528                                   flags,
 529                                   mode);
 530
 531         if (ret == -1) {
 532                 saved_errno = errno;
 533         }
 534         TALLOC_FREE(smb_fname);
 535         TALLOC_FREE(mapped_name);
 536         CATIA_FETCH_FSP_POST_NEXT(&cc, fsp);
 537         if (saved_errno != 0) {
 538                 errno = saved_errno;
 539         }
 540         return ret;
 541 }
 542
 543 static int catia_renameat(vfs_handle_struct *handle,
 544                         files_struct *srcfsp,
 545                         const struct smb_filename *smb_fname_src,
 546                         files_struct *dstfsp,
 547                         const struct smb_filename *smb_fname_dst)
 548 {
 549         TALLOC_CTX *ctx = talloc_tos();
 550         struct smb_filename *smb_fname_src_tmp = NULL;
 551         struct smb_filename *smb_fname_dst_tmp = NULL;
 552         char *src_name_mapped = NULL;
 553         char *dst_name_mapped = NULL;
 554         NTSTATUS status;
 555         int ret = -1;
 556
 557         status = catia_string_replace_allocate(handle->conn,
 558                                 smb_fname_src->base_name,
 559                                 &src_name_mapped, vfs_translate_to_unix);
 560         if (!NT_STATUS_IS_OK(status)) {
 561                 errno = map_errno_from_nt_status(status);
 562                 return -1;
 563         }
 564
 565         status = catia_string_replace_allocate(handle->conn,
 566                                 smb_fname_dst->base_name,
 567                                 &dst_name_mapped, vfs_translate_to_unix);
 568         if (!NT_STATUS_IS_OK(status)) {
 569                 errno = map_errno_from_nt_status(status);
 570                 return -1;
 571         }
 572
 573         /* Setup temporary smb_filename structs. */
 574         smb_fname_src_tmp = cp_smb_filename(ctx, smb_fname_src);
 575         if (smb_fname_src_tmp == NULL) {
 576                 errno = ENOMEM;
 577                 goto out;
 578         }
 579
 580         smb_fname_dst_tmp = cp_smb_filename(ctx, smb_fname_dst);
 581         if (smb_fname_dst_tmp == NULL) {
 582                 errno = ENOMEM;
 583                 goto out;
 584         }
 585
 586         smb_fname_src_tmp->base_name = src_name_mapped;
 587         smb_fname_dst_tmp->base_name = dst_name_mapped;
 588         DEBUG(10, ("converted old name: %s\n",
 589                                 smb_fname_str_dbg(smb_fname_src_tmp)));
 590         DEBUG(10, ("converted new name: %s\n",
 591                                 smb_fname_str_dbg(smb_fname_dst_tmp)));
 592
 593         ret = SMB_VFS_NEXT_RENAMEAT(handle,
 594                         srcfsp,
 595                         smb_fname_src_tmp,
 596                         dstfsp,
 597                         smb_fname_dst_tmp);
 598
 599 out:
 600         TALLOC_FREE(src_name_mapped);
 601         TALLOC_FREE(dst_name_mapped);
 602         TALLOC_FREE(smb_fname_src_tmp);
 603         TALLOC_FREE(smb_fname_dst_tmp);
 604         return ret;
 605 }
 606
 607
 608 static int catia_stat(vfs_handle_struct *handle,
 609                       struct smb_filename *smb_fname)
 610 {
 611         char *name = NULL;
 612         char *tmp_base_name;
 613         int ret;
 614         NTSTATUS status;
 615
 616         status = catia_string_replace_allocate(handle->conn,
 617                                 smb_fname->base_name,
 618                                 &name, vfs_translate_to_unix);
 619         if (!NT_STATUS_IS_OK(status)) {
 620                 errno = map_errno_from_nt_status(status);
 621                 return -1;
 622         }
 623
 624         tmp_base_name = smb_fname->base_name;
 625         smb_fname->base_name = name;
 626
 627         ret = SMB_VFS_NEXT_STAT(handle, smb_fname);
 628         smb_fname->base_name = tmp_base_name;
 629
 630         TALLOC_FREE(name);
 631         return ret;
 632 }
 633
 634 static int catia_lstat(vfs_handle_struct *handle,
 635                        struct smb_filename *smb_fname)
 636 {
 637         char *name = NULL;
 638         char *tmp_base_name;
 639         int ret;
 640         NTSTATUS status;
 641
 642         status = catia_string_replace_allocate(handle->conn,
 643                                 smb_fname->base_name,
 644                                 &name, vfs_translate_to_unix);
 645         if (!NT_STATUS_IS_OK(status)) {
 646                 errno = map_errno_from_nt_status(status);
 647                 return -1;
 648         }
 649
 650         tmp_base_name = smb_fname->base_name;
 651         smb_fname->base_name = name;
 652
 653         ret = SMB_VFS_NEXT_LSTAT(handle, smb_fname);
 654         smb_fname->base_name = tmp_base_name;
 655         TALLOC_FREE(name);
 656
 657         return ret;
 658 }
 659
 660 static int catia_unlinkat(vfs_handle_struct *handle,
 661                         struct files_struct *dirfsp,
 662                         const struct smb_filename *smb_fname,
 663                         int flags)
 664 {
 665         struct catia_cache *cc = NULL;
 666         struct smb_filename *smb_fname_tmp = NULL;
 667         char *name = NULL;
 668         NTSTATUS status;
 669         int ret;
 670
 671         ret = CATIA_FETCH_FSP_PRE_NEXT(talloc_tos(), handle, dirfsp, &cc);
 672         if (ret != 0) {
 673                 return ret;
 674         }
 675
 676         status = catia_string_replace_allocate(handle->conn,
 677                                         smb_fname->base_name,
 678                                         &name, vfs_translate_to_unix);
 679         if (!NT_STATUS_IS_OK(status)) {
 680                 errno = map_errno_from_nt_status(status);
 681                 goto out;
 682         }
 683
 684         /* Setup temporary smb_filename structs. */
 685         smb_fname_tmp = cp_smb_filename(talloc_tos(), smb_fname);
 686         if (smb_fname_tmp == NULL) {
 687                 errno = ENOMEM;
 688                 goto out;
 689         }
 690
 691         smb_fname_tmp->base_name = name;
 692         smb_fname_tmp->fsp = smb_fname->fsp;
 693
 694         ret = SMB_VFS_NEXT_UNLINKAT(handle,
 695                         dirfsp,
 696                         smb_fname_tmp,
 697                         flags);
 698         TALLOC_FREE(smb_fname_tmp);
 699         TALLOC_FREE(name);
 700
 701 out:
 702         CATIA_FETCH_FSP_POST_NEXT(&cc, dirfsp);
 703         return ret;
 704 }
 705
 706 static int catia_lchown(vfs_handle_struct *handle,
 707                         const struct smb_filename *smb_fname,
 708                         uid_t uid,
 709                         gid_t gid)
 710 {
 711         char *name = NULL;
 712         NTSTATUS status;
 713         int ret;
 714         int saved_errno;
 715         struct smb_filename *catia_smb_fname = NULL;
 716
 717         status = catia_string_replace_allocate(handle->conn,
 718                                         smb_fname->base_name,
 719                                         &name,
 720                                         vfs_translate_to_unix);
 721         if (!NT_STATUS_IS_OK(status)) {
 722                 errno = map_errno_from_nt_status(status);
 723                 return -1;
 724         }
 725         catia_smb_fname = synthetic_smb_fname(talloc_tos(),
 726                                         name,
 727                                         NULL,
 728                                         &smb_fname->st,
 729                                         smb_fname->twrp,
 730                                         smb_fname->flags);
 731         if (catia_smb_fname == NULL) {
 732                 TALLOC_FREE(name);
 733                 errno = ENOMEM;
 734                 return -1;
 735         }
 736
 737         ret = SMB_VFS_NEXT_LCHOWN(handle, catia_smb_fname, uid, gid);
 738         saved_errno = errno;
 739         TALLOC_FREE(name);
 740         TALLOC_FREE(catia_smb_fname);
 741         errno = saved_errno;
 742         return ret;
 743 }
 744
 745 static int catia_mkdirat(vfs_handle_struct *handle,
 746                         struct files_struct *dirfsp,
 747                         const struct smb_filename *smb_fname,
 748                         mode_t mode)
 749 {
 750         char *name = NULL;
 751         NTSTATUS status;
 752         int ret;
 753         struct smb_filename *catia_smb_fname = NULL;
 754
 755         status = catia_string_replace_allocate(handle->conn,
 756                                 smb_fname->base_name,
 757                                 &name,
 758                                 vfs_translate_to_unix);
 759         if (!NT_STATUS_IS_OK(status)) {
 760                 errno = map_errno_from_nt_status(status);
 761                 return -1;
 762         }
 763         catia_smb_fname = synthetic_smb_fname(talloc_tos(),
 764                                         name,
 765                                         NULL,
 766                                         &smb_fname->st,
 767                                         smb_fname->twrp,
 768                                         smb_fname->flags);
 769         if (catia_smb_fname == NULL) {
 770                 TALLOC_FREE(name);
 771                 errno = ENOMEM;
 772                 return -1;
 773         }
 774
 775         ret = SMB_VFS_NEXT_MKDIRAT(handle,
 776                         dirfsp,
 777                         catia_smb_fname,
 778                         mode);
 779         TALLOC_FREE(name);
 780         TALLOC_FREE(catia_smb_fname);
 781
 782         return ret;
 783 }
 784
 785 static int catia_chdir(vfs_handle_struct *handle,
 786                         const struct smb_filename *smb_fname)
 787 {
 788         char *name = NULL;
 789         struct smb_filename *catia_smb_fname = NULL;
 790         NTSTATUS status;
 791         int ret;
 792
 793         status = catia_string_replace_allocate(handle->conn,
 794                                         smb_fname->base_name,
 795                                         &name,
 796                                         vfs_translate_to_unix);
 797         if (!NT_STATUS_IS_OK(status)) {
 798                 errno = map_errno_from_nt_status(status);
 799                 return -1;
 800         }
 801
 802         catia_smb_fname = synthetic_smb_fname(talloc_tos(),
 803                                         name,
 804                                         NULL,
 805                                         &smb_fname->st,
 806                                         smb_fname->twrp,
 807                                         smb_fname->flags);
 808         if (catia_smb_fname == NULL) {
 809                 TALLOC_FREE(name);
 810                 errno = ENOMEM;
 811                 return -1;
 812         }
 813         ret = SMB_VFS_NEXT_CHDIR(handle, catia_smb_fname);
 814         TALLOC_FREE(name);
 815         TALLOC_FREE(catia_smb_fname);
 816
 817         return ret;
 818 }
 819
 820 static int catia_ntimes(vfs_handle_struct *handle,
 821                         const struct smb_filename *smb_fname,
 822                         struct smb_file_time *ft)
 823 {
 824         struct smb_filename *smb_fname_tmp = NULL;
 825         char *name = NULL;
 826         NTSTATUS status;
 827         int ret;
 828
 829         status = catia_string_replace_allocate(handle->conn,
 830                                 smb_fname->base_name,
 831                                 &name, vfs_translate_to_unix);
 832         if (!NT_STATUS_IS_OK(status)) {
 833                 errno = map_errno_from_nt_status(status);
 834                 return -1;
 835         }
 836
 837         smb_fname_tmp = cp_smb_filename(talloc_tos(), smb_fname);
 838         if (smb_fname_tmp == NULL) {
 839                 errno = ENOMEM;
 840                 return -1;
 841         }
 842
 843         smb_fname_tmp->base_name = name;
 844         smb_fname_tmp->fsp = smb_fname->fsp;
 845
 846         ret = SMB_VFS_NEXT_NTIMES(handle, smb_fname_tmp, ft);
 847         TALLOC_FREE(name);
 848         TALLOC_FREE(smb_fname_tmp);
 849
 850         return ret;
 851 }
 852
 853 static int catia_fntimes(vfs_handle_struct *handle,
 854                          files_struct *fsp,
 855                          struct smb_file_time *ft)
 856 {
 857         struct catia_cache *cc = NULL;
 858         int ret;
 859
 860         ret = CATIA_FETCH_FSP_PRE_NEXT(talloc_tos(), handle, fsp, &cc);
 861         if (ret != 0) {
 862                 return ret;
 863         }
 864
 865         ret = SMB_VFS_NEXT_FNTIMES(handle, fsp, ft);
 866
 867         CATIA_FETCH_FSP_POST_NEXT(&cc, fsp);
 868
 869         return ret;
 870 }
 871
 872 static struct smb_filename *
 873 catia_realpath(vfs_handle_struct *handle,
 874                 TALLOC_CTX *ctx,
 875                 const struct smb_filename *smb_fname)
 876 {
 877         char *mapped_name = NULL;
 878         struct smb_filename *catia_smb_fname = NULL;
 879         struct smb_filename *return_fname = NULL;
 880         NTSTATUS status;
 881
 882         status = catia_string_replace_allocate(handle->conn,
 883                                         smb_fname->base_name,
 884                                         &mapped_name, vfs_translate_to_unix);
 885         if (!NT_STATUS_IS_OK(status)) {
 886                 errno = map_errno_from_nt_status(status);
 887                 return NULL;
 888         }
 889
 890         catia_smb_fname = synthetic_smb_fname(talloc_tos(),
 891                                         mapped_name,
 892                                         NULL,
 893                                         &smb_fname->st,
 894                                         smb_fname->twrp,
 895                                         smb_fname->flags);
 896         if (catia_smb_fname == NULL) {
 897                 TALLOC_FREE(mapped_name);
 898                 errno = ENOMEM;
 899                 return NULL;
 900         }
 901         return_fname = SMB_VFS_NEXT_REALPATH(handle, ctx, catia_smb_fname);
 902         TALLOC_FREE(mapped_name);
 903         TALLOC_FREE(catia_smb_fname);
 904         return return_fname;
 905 }
 906
 907 static int catia_chflags(struct vfs_handle_struct *handle,
 908                         const struct smb_filename *smb_fname,
 909                         unsigned int flags)
 910 {
 911         char *name = NULL;
 912         struct smb_filename *catia_smb_fname = NULL;
 913         NTSTATUS status;
 914         int ret;
 915
 916         status = catia_string_replace_allocate(handle->conn,
 917                                 smb_fname->base_name,
 918                                 &name,
 919                                 vfs_translate_to_unix);
 920         if (!NT_STATUS_IS_OK(status)) {
 921                 errno = map_errno_from_nt_status(status);
 922                 return -1;
 923         }
 924         catia_smb_fname = synthetic_smb_fname(talloc_tos(),
 925                                         name,
 926                                         NULL,
 927                                         &smb_fname->st,
 928                                         smb_fname->twrp,
 929                                         smb_fname->flags);
 930         if (catia_smb_fname == NULL) {
 931                 TALLOC_FREE(name);
 932                 errno = ENOMEM;
 933                 return -1;
 934         }
 935
 936         ret = SMB_VFS_NEXT_CHFLAGS(handle, catia_smb_fname, flags);
 937         TALLOC_FREE(name);
 938         TALLOC_FREE(catia_smb_fname);
 939
 940         return ret;
 941 }
 942
 943 static NTSTATUS
 944 catia_streaminfo(struct vfs_handle_struct *handle,
 945                  struct files_struct *fsp,
 946                  const struct smb_filename *smb_fname,
 947                  TALLOC_CTX *mem_ctx,
 948                  unsigned int *_num_streams,
 949                  struct stream_struct **_streams)
 950 {
 951         char *mapped_name = NULL;
 952         NTSTATUS status;
 953         unsigned int i;
 954         struct smb_filename *catia_smb_fname = NULL;
 955         unsigned int num_streams = 0;
 956         struct stream_struct *streams = NULL;
 957
 958         *_num_streams = 0;
 959         *_streams = NULL;
 960
 961         status = catia_string_replace_allocate(handle->conn,
 962                                 smb_fname->base_name,
 963                                 &mapped_name,
 964                                 vfs_translate_to_unix);
 965         if (!NT_STATUS_IS_OK(status)) {
 966                 return status;
 967         }
 968
 969         status = synthetic_pathref(talloc_tos(),
 970                                         handle->conn->cwd_fsp,
 971                                         mapped_name,
 972                                         NULL,
 973                                         &smb_fname->st,
 974                                         smb_fname->twrp,
 975                                         smb_fname->flags,
 976                                         &catia_smb_fname);
 977
 978         if (!NT_STATUS_IS_OK(status)) {
 979                 TALLOC_FREE(mapped_name);
 980                 return status;
 981         }
 982
 983         status = SMB_VFS_NEXT_STREAMINFO(handle, fsp, catia_smb_fname,
 984                                          mem_ctx, &num_streams, &streams);
 985         TALLOC_FREE(mapped_name);
 986         TALLOC_FREE(catia_smb_fname);
 987         if (!NT_STATUS_IS_OK(status)) {
 988                 return status;
 989         }
 990
 991         /*
 992          * Translate stream names just like the base names
 993          */
 994         for (i = 0; i < num_streams; i++) {
 995                 /*
 996                  * Strip ":" prefix and ":$DATA" suffix to get a
 997                  * "pure" stream name and only translate that.
 998                  */
 999                 void *old_ptr = streams[i].name;
1000                 char *stream_name = streams[i].name + 1;
1001                 char *stream_type = strrchr_m(stream_name, ':');
1002
1003                 if (stream_type != NULL) {
1004                         *stream_type = '\0';
1005                         stream_type += 1;
1006                 }
1007
1008                 status = catia_string_replace_allocate(handle->conn, stream_name,
1009                                                        &mapped_name, vfs_translate_to_windows);
1010                 if (!NT_STATUS_IS_OK(status)) {
1011                         TALLOC_FREE(streams);
1012                         return status;
1013                 }
1014
1015                 if (stream_type != NULL) {
1016                         streams[i].name = talloc_asprintf(streams, ":%s:%s",
1017                                                           mapped_name, stream_type);
1018                 } else {
1019                         streams[i].name = talloc_asprintf(streams, ":%s",
1020                                                           mapped_name);
1021                 }
1022                 TALLOC_FREE(mapped_name);
1023                 TALLOC_FREE(old_ptr);
1024                 if (streams[i].name == NULL) {
1025                         TALLOC_FREE(streams);
1026                         return NT_STATUS_NO_MEMORY;
1027                 }
1028         }
1029
1030         *_num_streams = num_streams;
1031         *_streams = streams;
1032         return NT_STATUS_OK;
1033 }
1034
1035 static NTSTATUS catia_get_nt_acl_at(struct vfs_handle_struct *handle,
1036                                     struct files_struct *dirfsp,
1037                                     const struct smb_filename *smb_fname,
1038                                     uint32_t security_info,
1039                                     TALLOC_CTX *mem_ctx,
1040                                     struct security_descriptor **ppdesc)
1041 {
1042         char *mapped_name = NULL;
1043         const char *path = smb_fname->base_name;
1044         struct smb_filename *mapped_smb_fname = NULL;
1045         NTSTATUS status;
1046
1047         SMB_ASSERT(dirfsp == handle->conn->cwd_fsp);
1048
1049         status = catia_string_replace_allocate(handle->conn,
1050                                 path, &mapped_name, vfs_translate_to_unix);
1051         if (!NT_STATUS_IS_OK(status)) {
1052                 errno = map_errno_from_nt_status(status);
1053                 return status;
1054         }
1055         mapped_smb_fname = synthetic_smb_fname(talloc_tos(),
1056                                         mapped_name,
1057                                         NULL,
1058                                         &smb_fname->st,
1059                                         smb_fname->twrp,
1060                                         smb_fname->flags);
1061         if (mapped_smb_fname == NULL) {
1062                 TALLOC_FREE(mapped_name);
1063                 return NT_STATUS_NO_MEMORY;
1064         }
1065
1066         status = SMB_VFS_NEXT_GET_NT_ACL_AT(handle,
1067                                         dirfsp,
1068                                         mapped_smb_fname,
1069                                         security_info,
1070                                         mem_ctx,
1071                                         ppdesc);
1072         TALLOC_FREE(mapped_name);
1073         TALLOC_FREE(mapped_smb_fname);
1074
1075         return status;
1076 }
1077
1078 static SMB_ACL_T
1079 catia_sys_acl_get_file(vfs_handle_struct *handle,
1080                         const struct smb_filename *smb_fname,
1081                         SMB_ACL_TYPE_T type,
1082                         TALLOC_CTX *mem_ctx)
1083 {
1084         char *mapped_name = NULL;
1085         struct smb_filename *mapped_smb_fname = NULL;
1086         NTSTATUS status;
1087         SMB_ACL_T ret;
1088         int saved_errno = 0;
1089
1090         status = catia_string_replace_allocate(handle->conn,
1091                                 smb_fname->base_name,
1092                                 &mapped_name,
1093                                 vfs_translate_to_unix);
1094         if (!NT_STATUS_IS_OK(status)) {
1095                 errno = map_errno_from_nt_status(status);
1096                 return (SMB_ACL_T)NULL;
1097         }
1098
1099         mapped_smb_fname = synthetic_smb_fname(talloc_tos(),
1100                                         mapped_name,
1101                                         NULL,
1102                                         &smb_fname->st,
1103                                         smb_fname->twrp,
1104                                         smb_fname->flags);
1105         if (mapped_smb_fname == NULL) {
1106                 TALLOC_FREE(mapped_name);
1107                 errno = ENOMEM;
1108                 return (SMB_ACL_T)NULL;
1109         }
1110
1111         ret = SMB_VFS_NEXT_SYS_ACL_GET_FILE(handle, mapped_smb_fname,
1112                         type, mem_ctx);
1113         if (ret == (SMB_ACL_T)NULL) {
1114                 saved_errno = errno;
1115         }
1116         TALLOC_FREE(mapped_smb_fname);
1117         TALLOC_FREE(mapped_name);
1118         if (saved_errno != 0) {
1119                 errno = saved_errno;
1120         }
1121         return ret;
1122 }
1123
1124 static int
1125 catia_sys_acl_delete_def_file(vfs_handle_struct *handle,
1126                                 const struct smb_filename *smb_fname)
1127 {
1128         struct smb_filename *mapped_smb_fname = NULL;
1129         int saved_errno = 0;
1130         char *mapped_name = NULL;
1131         NTSTATUS status;
1132         int ret;
1133
1134         status = catia_string_replace_allocate(handle->conn,
1135                                 smb_fname->base_name,
1136                                 &mapped_name,
1137                                 vfs_translate_to_unix);
1138         if (!NT_STATUS_IS_OK(status)) {
1139                 errno = map_errno_from_nt_status(status);
1140                 return -1;
1141         }
1142
1143         mapped_smb_fname = synthetic_smb_fname(talloc_tos(),
1144                                         mapped_name,
1145                                         NULL,
1146                                         &smb_fname->st,
1147                                         smb_fname->twrp,
1148                                         smb_fname->flags);
1149         if (mapped_smb_fname == NULL) {
1150                 TALLOC_FREE(mapped_name);
1151                 errno = ENOMEM;
1152                 return -1;
1153         }
1154         ret = SMB_VFS_NEXT_SYS_ACL_DELETE_DEF_FILE(handle, mapped_smb_fname);
1155         if (ret == -1) {
1156                 saved_errno = errno;
1157         }
1158         TALLOC_FREE(mapped_smb_fname);
1159         TALLOC_FREE(mapped_name);
1160         if (saved_errno != 0) {
1161                 errno = saved_errno;
1162         }
1163         return ret;
1164 }
1165
1166 static ssize_t
1167 catia_getxattr(vfs_handle_struct *handle,
1168                         const struct smb_filename *smb_fname,
1169                         const char *name,
1170                         void *value,
1171                         size_t size)
1172 {
1173         struct smb_filename *mapped_smb_fname = NULL;
1174         char *mapped_name = NULL;
1175         char *mapped_ea_name = NULL;
1176         NTSTATUS status;
1177         ssize_t ret;
1178         int saved_errno = 0;
1179
1180         status = catia_string_replace_allocate(handle->conn,
1181                                 smb_fname->base_name,
1182                                 &mapped_name,
1183                                 vfs_translate_to_unix);
1184         if (!NT_STATUS_IS_OK(status)) {
1185                 errno = map_errno_from_nt_status(status);
1186                 return -1;
1187         }
1188
1189         status = catia_string_replace_allocate(handle->conn,
1190                                 name, &mapped_ea_name, vfs_translate_to_unix);
1191         if (!NT_STATUS_IS_OK(status)) {
1192                 TALLOC_FREE(mapped_name);
1193                 errno = map_errno_from_nt_status(status);
1194                 return -1;
1195         }
1196
1197         mapped_smb_fname = synthetic_smb_fname(talloc_tos(),
1198                                         mapped_name,
1199                                         NULL,
1200                                         &smb_fname->st,
1201                                         smb_fname->twrp,
1202                                         smb_fname->flags);
1203         if (mapped_smb_fname == NULL) {
1204                 TALLOC_FREE(mapped_name);
1205                 TALLOC_FREE(mapped_ea_name);
1206                 errno = ENOMEM;
1207                 return -1;
1208         }
1209
1210         ret = SMB_VFS_NEXT_GETXATTR(handle, mapped_smb_fname,
1211                                 mapped_ea_name, value, size);
1212         if (ret == -1) {
1213                 saved_errno = errno;
1214         }
1215         TALLOC_FREE(mapped_name);
1216         TALLOC_FREE(mapped_ea_name);
1217         TALLOC_FREE(mapped_smb_fname);
1218         if (saved_errno != 0) {
1219                 errno = saved_errno;
1220         }
1221
1222         return ret;
1223 }
1224
1225 static int catia_fstat(vfs_handle_struct *handle,
1226                        files_struct *fsp,
1227                        SMB_STRUCT_STAT *sbuf)
1228 {
1229         struct catia_cache *cc = NULL;
1230         int ret;
1231
1232         ret = CATIA_FETCH_FSP_PRE_NEXT(talloc_tos(), handle, fsp, &cc);
1233         if (ret != 0) {
1234                 return ret;
1235         }
1236
1237         ret = SMB_VFS_NEXT_FSTAT(handle, fsp, sbuf);
1238
1239         CATIA_FETCH_FSP_POST_NEXT(&cc, fsp);
1240
1241         return ret;
1242 }
1243
1244 static ssize_t catia_pread(vfs_handle_struct *handle,
1245                            files_struct *fsp, void *data,
1246                            size_t n, off_t offset)
1247 {
1248         struct catia_cache *cc = NULL;
1249         ssize_t result;
1250         int ret;
1251
1252         ret = CATIA_FETCH_FSP_PRE_NEXT(talloc_tos(), handle, fsp, &cc);
1253         if (ret != 0) {
1254                 return ret;
1255         }
1256
1257         result = SMB_VFS_NEXT_PREAD(handle, fsp, data, n, offset);
1258
1259         CATIA_FETCH_FSP_POST_NEXT(&cc, fsp);
1260
1261         return result;
1262 }
1263
1264 static ssize_t catia_pwrite(vfs_handle_struct *handle,
1265                             files_struct *fsp, const void *data,
1266                             size_t n, off_t offset)
1267 {
1268         struct catia_cache *cc = NULL;
1269         ssize_t result;
1270         int ret;
1271
1272         ret = CATIA_FETCH_FSP_PRE_NEXT(talloc_tos(), handle, fsp, &cc);
1273         if (ret != 0) {
1274                 return ret;
1275         }
1276
1277         result = SMB_VFS_NEXT_PWRITE(handle, fsp, data, n, offset);
1278
1279         CATIA_FETCH_FSP_POST_NEXT(&cc, fsp);
1280
1281         return result;
1282 }
1283
1284 static int catia_ftruncate(struct vfs_handle_struct *handle,
1285                            struct files_struct *fsp,
1286                            off_t offset)
1287 {
1288         struct catia_cache *cc = NULL;
1289         int ret;
1290
1291         ret = CATIA_FETCH_FSP_PRE_NEXT(talloc_tos(), handle, fsp, &cc);
1292         if (ret != 0) {
1293                 return ret;
1294         }
1295
1296         ret = SMB_VFS_NEXT_FTRUNCATE(handle, fsp, offset);
1297
1298         CATIA_FETCH_FSP_POST_NEXT(&cc, fsp);
1299
1300         return ret;
1301 }
1302
1303 static int catia_fallocate(struct vfs_handle_struct *handle,
1304                            struct files_struct *fsp,
1305                            uint32_t mode,
1306                            off_t offset,
1307                            off_t len)
1308 {
1309         struct catia_cache *cc = NULL;
1310         int ret;
1311
1312         ret = CATIA_FETCH_FSP_PRE_NEXT(talloc_tos(), handle, fsp, &cc);
1313         if (ret != 0) {
1314                 return ret;
1315         }
1316
1317         ret = SMB_VFS_NEXT_FALLOCATE(handle, fsp, mode, offset, len);
1318
1319         CATIA_FETCH_FSP_POST_NEXT(&cc, fsp);
1320
1321         return ret;
1322 }
1323
1324 static ssize_t catia_fgetxattr(struct vfs_handle_struct *handle,
1325                                struct files_struct *fsp,
1326                                const char *name,
1327                                void *value,
1328                                size_t size)
1329 {
1330         char *mapped_xattr_name = NULL;
1331         NTSTATUS status;
1332         ssize_t result;
1333
1334         status = catia_string_replace_allocate(handle->conn,
1335                                                name, &mapped_xattr_name,
1336                                                vfs_translate_to_unix);
1337         if (!NT_STATUS_IS_OK(status)) {
1338                 errno = map_errno_from_nt_status(status);
1339                 return -1;
1340         }
1341
1342         result = SMB_VFS_NEXT_FGETXATTR(handle, fsp, mapped_xattr_name,
1343                                         value, size);
1344
1345         TALLOC_FREE(mapped_xattr_name);
1346
1347         return result;
1348 }
1349
1350 static ssize_t catia_flistxattr(struct vfs_handle_struct *handle,
1351                                 struct files_struct *fsp,
1352                                 char *list,
1353                                 size_t size)
1354 {
1355         struct catia_cache *cc = NULL;
1356         ssize_t result;
1357         int ret;
1358
1359         ret = CATIA_FETCH_FSP_PRE_NEXT(talloc_tos(), handle, fsp, &cc);
1360         if (ret != 0) {
1361                 return ret;
1362         }
1363
1364         result = SMB_VFS_NEXT_FLISTXATTR(handle, fsp, list, size);
1365
1366         CATIA_FETCH_FSP_POST_NEXT(&cc, fsp);
1367
1368         return result;
1369 }
1370
1371 static int catia_fremovexattr(struct vfs_handle_struct *handle,
1372                               struct files_struct *fsp,
1373                               const char *name)
1374 {
1375         char *mapped_name = NULL;
1376         NTSTATUS status;
1377         int ret;
1378
1379         status = catia_string_replace_allocate(handle->conn,
1380                                 name, &mapped_name, vfs_translate_to_unix);
1381         if (!NT_STATUS_IS_OK(status)) {
1382                 errno = map_errno_from_nt_status(status);
1383                 return -1;
1384         }
1385
1386         ret = SMB_VFS_NEXT_FREMOVEXATTR(handle, fsp, mapped_name);
1387
1388         TALLOC_FREE(mapped_name);
1389
1390         return ret;
1391 }
1392
1393 static int catia_fsetxattr(struct vfs_handle_struct *handle,
1394                            struct files_struct *fsp,
1395                            const char *name,
1396                            const void *value,
1397                            size_t size,
1398                            int flags)
1399 {
1400         char *mapped_xattr_name = NULL;
1401         NTSTATUS status;
1402         int ret;
1403
1404         status = catia_string_replace_allocate(
1405                 handle->conn, name, &mapped_xattr_name, vfs_translate_to_unix);
1406         if (!NT_STATUS_IS_OK(status)) {
1407                 errno = map_errno_from_nt_status(status);
1408                 return -1;
1409         }
1410
1411         ret = SMB_VFS_NEXT_FSETXATTR(handle, fsp, mapped_xattr_name,
1412                                      value, size, flags);
1413
1414         TALLOC_FREE(mapped_xattr_name);
1415
1416         return ret;
1417 }
1418
1419 static SMB_ACL_T catia_sys_acl_get_fd(vfs_handle_struct *handle,
1420                                       files_struct *fsp,
1421                                       TALLOC_CTX *mem_ctx)
1422 {
1423         struct catia_cache *cc = NULL;
1424         struct smb_acl_t *result = NULL;
1425         int ret;
1426
1427         ret = CATIA_FETCH_FSP_PRE_NEXT(talloc_tos(), handle, fsp, &cc);
1428         if (ret != 0) {
1429                 return NULL;
1430         }
1431
1432         result = SMB_VFS_NEXT_SYS_ACL_GET_FD(handle, fsp, mem_ctx);
1433
1434         CATIA_FETCH_FSP_POST_NEXT(&cc, fsp);
1435
1436         return result;
1437 }
1438
1439 static int catia_sys_acl_blob_get_fd(vfs_handle_struct *handle,
1440                                      files_struct *fsp,
1441                                      TALLOC_CTX *mem_ctx,
1442                                      char **blob_description,
1443                                      DATA_BLOB *blob)
1444 {
1445         struct catia_cache *cc = NULL;
1446         int ret;
1447
1448         ret = CATIA_FETCH_FSP_PRE_NEXT(talloc_tos(), handle, fsp, &cc);
1449         if (ret != 0) {
1450                 return ret;
1451         }
1452
1453         ret = SMB_VFS_NEXT_SYS_ACL_BLOB_GET_FD(handle, fsp, mem_ctx,
1454                                                blob_description, blob);
1455
1456         CATIA_FETCH_FSP_POST_NEXT(&cc, fsp);
1457
1458         return ret;
1459 }
1460
1461 static int catia_sys_acl_set_fd(vfs_handle_struct *handle,
1462                                 files_struct *fsp,
1463                                 SMB_ACL_TYPE_T type,
1464                                 SMB_ACL_T theacl)
1465 {
1466         struct catia_cache *cc = NULL;
1467         int ret;
1468
1469         ret = CATIA_FETCH_FSP_PRE_NEXT(talloc_tos(), handle, fsp, &cc);
1470         if (ret != 0) {
1471                 return ret;
1472         }
1473
1474         ret = SMB_VFS_NEXT_SYS_ACL_SET_FD(handle, fsp, type, theacl);
1475
1476         CATIA_FETCH_FSP_POST_NEXT(&cc, fsp);
1477
1478         return ret;
1479 }
1480
1481 static NTSTATUS catia_fget_nt_acl(vfs_handle_struct *handle,
1482                                   files_struct *fsp,
1483                                   uint32_t security_info,
1484                                   TALLOC_CTX *mem_ctx,
1485                                   struct security_descriptor **ppdesc)
1486 {
1487         struct catia_cache *cc = NULL;
1488         NTSTATUS status;
1489         int ret;
1490
1491         ret = CATIA_FETCH_FSP_PRE_NEXT(talloc_tos(), handle, fsp, &cc);
1492         if (ret != 0) {
1493                 return map_nt_error_from_unix(errno);
1494         }
1495
1496         status = SMB_VFS_NEXT_FGET_NT_ACL(handle, fsp, security_info,
1497                                           mem_ctx, ppdesc);
1498
1499         CATIA_FETCH_FSP_POST_NEXT(&cc, fsp);
1500
1501         return status;
1502 }
1503
1504 static NTSTATUS catia_fset_nt_acl(vfs_handle_struct *handle,
1505                                   files_struct *fsp,
1506                                   uint32_t security_info_sent,
1507                                   const struct security_descriptor *psd)
1508 {
1509         struct catia_cache *cc = NULL;
1510         NTSTATUS status;
1511         int ret;
1512
1513         ret = CATIA_FETCH_FSP_PRE_NEXT(talloc_tos(), handle, fsp, &cc);
1514         if (ret != 0) {
1515                 return map_nt_error_from_unix(errno);
1516         }
1517
1518         status = SMB_VFS_NEXT_FSET_NT_ACL(handle, fsp, security_info_sent, psd);
1519
1520         CATIA_FETCH_FSP_POST_NEXT(&cc, fsp);
1521
1522         return status;
1523 }
1524
1525 static NTSTATUS catia_fset_dos_attributes(struct vfs_handle_struct *handle,
1526                                           struct files_struct *fsp,
1527                                           uint32_t dosmode)
1528 {
1529         struct catia_cache *cc = NULL;
1530         NTSTATUS status;
1531         int ret;
1532
1533         ret = CATIA_FETCH_FSP_PRE_NEXT(talloc_tos(), handle, fsp, &cc);
1534         if (ret != 0) {
1535                 return map_nt_error_from_unix(errno);
1536         }
1537
1538         status = SMB_VFS_NEXT_FSET_DOS_ATTRIBUTES(handle, fsp, dosmode);
1539
1540         CATIA_FETCH_FSP_POST_NEXT(&cc, fsp);
1541
1542         return status;
1543 }
1544
1545 static NTSTATUS catia_fget_dos_attributes(struct vfs_handle_struct *handle,
1546                                           struct files_struct *fsp,
1547                                           uint32_t *dosmode)
1548 {
1549         struct catia_cache *cc = NULL;
1550         NTSTATUS status;
1551         int ret;
1552
1553         ret = CATIA_FETCH_FSP_PRE_NEXT(talloc_tos(), handle, fsp, &cc);
1554         if (ret != 0) {
1555                 return map_nt_error_from_unix(errno);
1556         }
1557
1558         status = SMB_VFS_NEXT_FGET_DOS_ATTRIBUTES(handle, fsp, dosmode);
1559
1560         CATIA_FETCH_FSP_POST_NEXT(&cc, fsp);
1561
1562         return status;
1563 }
1564
1565 static int catia_fchown(vfs_handle_struct *handle,
1566                         files_struct *fsp,
1567                         uid_t uid,
1568                         gid_t gid)
1569 {
1570         struct catia_cache *cc = NULL;
1571         int ret;
1572
1573         ret = CATIA_FETCH_FSP_PRE_NEXT(talloc_tos(), handle, fsp, &cc);
1574         if (ret != 0) {
1575                 return ret;
1576         }
1577
1578         ret = SMB_VFS_NEXT_FCHOWN(handle, fsp, uid, gid);
1579
1580         CATIA_FETCH_FSP_POST_NEXT(&cc, fsp);
1581
1582         return ret;
1583 }
1584
1585 static int catia_fchmod(vfs_handle_struct *handle,
1586                         files_struct *fsp,
1587                         mode_t mode)
1588 {
1589         struct catia_cache *cc = NULL;
1590         int ret;
1591
1592         ret = CATIA_FETCH_FSP_PRE_NEXT(talloc_tos(), handle, fsp, &cc);
1593         if (ret != 0) {
1594                 return ret;
1595         }
1596
1597         ret = SMB_VFS_NEXT_FCHMOD(handle, fsp, mode);
1598
1599         CATIA_FETCH_FSP_POST_NEXT(&cc, fsp);
1600
1601         return ret;
1602 }
1603
1604 struct catia_pread_state {
1605         ssize_t ret;
1606         struct vfs_aio_state vfs_aio_state;
1607         struct files_struct *fsp;
1608         struct catia_cache *cc;
1609 };
1610
1611 static void catia_pread_done(struct tevent_req *subreq);
1612
1613 static struct tevent_req *catia_pread_send(struct vfs_handle_struct *handle,
1614                                            TALLOC_CTX *mem_ctx,
1615                                            struct tevent_context *ev,
1616                                            struct files_struct *fsp,
1617                                            void *data,
1618                                            size_t n,
1619                                            off_t offset)
1620 {
1621         struct tevent_req *req = NULL, *subreq = NULL;
1622         struct catia_pread_state *state = NULL;
1623         int ret;
1624
1625         req = tevent_req_create(mem_ctx, &state,
1626                                 struct catia_pread_state);
1627         if (req == NULL) {
1628                 return NULL;
1629         }
1630         state->fsp = fsp;
1631
1632         ret = CATIA_FETCH_FSP_PRE_NEXT(state, handle, fsp, &state->cc);
1633         if (ret != 0) {
1634                 tevent_req_error(req, errno);
1635                 return tevent_req_post(req, ev);
1636         }
1637
1638         subreq = SMB_VFS_NEXT_PREAD_SEND(state, ev, handle, fsp, data,
1639                                          n, offset);
1640         if (tevent_req_nomem(subreq, req)) {
1641                 return tevent_req_post(req, ev);
1642         }
1643         tevent_req_set_callback(subreq, catia_pread_done, req);
1644
1645         return req;
1646 }
1647
1648 static void catia_pread_done(struct tevent_req *subreq)
1649 {
1650         struct tevent_req *req = tevent_req_callback_data(
1651                 subreq, struct tevent_req);
1652         struct catia_pread_state *state = tevent_req_data(
1653                 req, struct catia_pread_state);
1654
1655         state->ret = SMB_VFS_PREAD_RECV(subreq, &state->vfs_aio_state);
1656         TALLOC_FREE(subreq);
1657
1658         CATIA_FETCH_FSP_POST_NEXT(&state->cc, state->fsp);
1659
1660         tevent_req_done(req);
1661 }
1662
1663 static ssize_t catia_pread_recv(struct tevent_req *req,
1664                                 struct vfs_aio_state *vfs_aio_state)
1665 {
1666         struct catia_pread_state *state = tevent_req_data(
1667                 req, struct catia_pread_state);
1668
1669         if (tevent_req_is_unix_error(req, &vfs_aio_state->error)) {
1670                 return -1;
1671         }
1672
1673         *vfs_aio_state = state->vfs_aio_state;
1674         return state->ret;
1675 }
1676
1677 struct catia_pwrite_state {
1678         ssize_t ret;
1679         struct vfs_aio_state vfs_aio_state;
1680         struct files_struct *fsp;
1681         struct catia_cache *cc;
1682 };
1683
1684 static void catia_pwrite_done(struct tevent_req *subreq);
1685
1686 static struct tevent_req *catia_pwrite_send(struct vfs_handle_struct *handle,
1687                                             TALLOC_CTX *mem_ctx,
1688                                             struct tevent_context *ev,
1689                                             struct files_struct *fsp,
1690                                             const void *data,
1691                                             size_t n,
1692                                             off_t offset)
1693 {
1694         struct tevent_req *req = NULL, *subreq = NULL;
1695         struct catia_pwrite_state *state = NULL;
1696         int ret;
1697
1698         req = tevent_req_create(mem_ctx, &state,
1699                                 struct catia_pwrite_state);
1700         if (req == NULL) {
1701                 return NULL;
1702         }
1703         state->fsp = fsp;
1704
1705         ret = CATIA_FETCH_FSP_PRE_NEXT(state, handle, fsp, &state->cc);
1706         if (ret != 0) {
1707                 tevent_req_error(req, errno);
1708                 return tevent_req_post(req, ev);
1709         }
1710
1711         subreq = SMB_VFS_NEXT_PWRITE_SEND(state, ev, handle, fsp, data,
1712                                           n, offset);
1713         if (tevent_req_nomem(subreq, req)) {
1714                 return tevent_req_post(req, ev);
1715         }
1716         tevent_req_set_callback(subreq, catia_pwrite_done, req);
1717
1718         return req;
1719 }
1720
1721 static void catia_pwrite_done(struct tevent_req *subreq)
1722 {
1723         struct tevent_req *req = tevent_req_callback_data(
1724                 subreq, struct tevent_req);
1725         struct catia_pwrite_state *state = tevent_req_data(
1726                 req, struct catia_pwrite_state);
1727
1728         state->ret = SMB_VFS_PWRITE_RECV(subreq, &state->vfs_aio_state);
1729         TALLOC_FREE(subreq);
1730
1731         CATIA_FETCH_FSP_POST_NEXT(&state->cc, state->fsp);
1732
1733         tevent_req_done(req);
1734 }
1735
1736 static ssize_t catia_pwrite_recv(struct tevent_req *req,
1737                                 struct vfs_aio_state *vfs_aio_state)
1738 {
1739         struct catia_pwrite_state *state = tevent_req_data(
1740                 req, struct catia_pwrite_state);
1741
1742         if (tevent_req_is_unix_error(req, &vfs_aio_state->error)) {
1743                 return -1;
1744         }
1745
1746         *vfs_aio_state = state->vfs_aio_state;
1747         return state->ret;
1748 }
1749
1750 static off_t catia_lseek(vfs_handle_struct *handle,
1751                          files_struct *fsp,
1752                          off_t offset,
1753                          int whence)
1754 {
1755         struct catia_cache *cc = NULL;
1756         ssize_t result;
1757         int ret;
1758
1759         ret = CATIA_FETCH_FSP_PRE_NEXT(talloc_tos(), handle, fsp, &cc);
1760         if (ret != 0) {
1761                 return -1;
1762         }
1763
1764         result = SMB_VFS_NEXT_LSEEK(handle, fsp, offset, whence);
1765
1766         CATIA_FETCH_FSP_POST_NEXT(&cc, fsp);
1767
1768         return result;
1769 }
1770
1771 struct catia_fsync_state {
1772         int ret;
1773         struct vfs_aio_state vfs_aio_state;
1774         struct files_struct *fsp;
1775         struct catia_cache *cc;
1776 };
1777
1778 static void catia_fsync_done(struct tevent_req *subreq);
1779
1780 static struct tevent_req *catia_fsync_send(struct vfs_handle_struct *handle,
1781                                            TALLOC_CTX *mem_ctx,
1782                                            struct tevent_context *ev,
1783                                            struct files_struct *fsp)
1784 {
1785         struct tevent_req *req = NULL, *subreq = NULL;
1786         struct catia_fsync_state *state = NULL;
1787         int ret;
1788
1789         req = tevent_req_create(mem_ctx, &state,
1790                                 struct catia_fsync_state);
1791         if (req == NULL) {
1792                 return NULL;
1793         }
1794         state->fsp = fsp;
1795
1796         ret = CATIA_FETCH_FSP_PRE_NEXT(state, handle, fsp, &state->cc);
1797         if (ret != 0) {
1798                 tevent_req_error(req, errno);
1799                 return tevent_req_post(req, ev);
1800         }
1801
1802         subreq = SMB_VFS_NEXT_FSYNC_SEND(state, ev, handle, fsp);
1803         if (tevent_req_nomem(subreq, req)) {
1804                 return tevent_req_post(req, ev);
1805         }
1806         tevent_req_set_callback(subreq, catia_fsync_done, req);
1807
1808         return req;
1809 }
1810
1811 static void catia_fsync_done(struct tevent_req *subreq)
1812 {
1813         struct tevent_req *req = tevent_req_callback_data(
1814                 subreq, struct tevent_req);
1815         struct catia_fsync_state *state = tevent_req_data(
1816                 req, struct catia_fsync_state);
1817
1818         state->ret = SMB_VFS_FSYNC_RECV(subreq, &state->vfs_aio_state);
1819         TALLOC_FREE(subreq);
1820
1821         CATIA_FETCH_FSP_POST_NEXT(&state->cc, state->fsp);
1822
1823         tevent_req_done(req);
1824 }
1825
1826 static int catia_fsync_recv(struct tevent_req *req,
1827                             struct vfs_aio_state *vfs_aio_state)
1828 {
1829         struct catia_fsync_state *state = tevent_req_data(
1830                 req, struct catia_fsync_state);
1831
1832         if (tevent_req_is_unix_error(req, &vfs_aio_state->error)) {
1833                 return -1;
1834         }
1835
1836         *vfs_aio_state = state->vfs_aio_state;
1837         return state->ret;
1838 }
1839
1840 static bool catia_lock(vfs_handle_struct *handle,
1841                        files_struct *fsp,
1842                        int op,
1843                        off_t offset,
1844                        off_t count,
1845                        int type)
1846 {
1847         struct catia_cache *cc = NULL;
1848         bool ok;
1849         int ret;
1850
1851         ret = CATIA_FETCH_FSP_PRE_NEXT(talloc_tos(), handle, fsp, &cc);
1852         if (ret != 0) {
1853                 return false;
1854         }
1855
1856         ok = SMB_VFS_NEXT_LOCK(handle, fsp, op, offset, count, type);
1857
1858         CATIA_FETCH_FSP_POST_NEXT(&cc, fsp);
1859
1860         return ok;
1861 }
1862
1863 static int catia_kernel_flock(struct vfs_handle_struct *handle,
1864                               struct files_struct *fsp,
1865                               uint32_t share_access,
1866                               uint32_t access_mask)
1867 {
1868         struct catia_cache *cc = NULL;
1869         int ret;
1870
1871         ret = CATIA_FETCH_FSP_PRE_NEXT(talloc_tos(), handle, fsp, &cc);
1872         if (ret != 0) {
1873                 return -1;
1874         }
1875
1876         ret = SMB_VFS_NEXT_KERNEL_FLOCK(handle, fsp, share_access, access_mask);
1877
1878         CATIA_FETCH_FSP_POST_NEXT(&cc, fsp);
1879
1880         return ret;
1881 }
1882
1883 static int catia_linux_setlease(vfs_handle_struct *handle,
1884                                 files_struct *fsp,
1885                                 int leasetype)
1886 {
1887         struct catia_cache *cc = NULL;
1888         int ret;
1889
1890         ret = CATIA_FETCH_FSP_PRE_NEXT(talloc_tos(), handle, fsp, &cc);
1891         if (ret != 0) {
1892                 return -1;
1893         }
1894
1895         ret = SMB_VFS_NEXT_LINUX_SETLEASE(handle, fsp, leasetype);
1896
1897         CATIA_FETCH_FSP_POST_NEXT(&cc, fsp);
1898
1899         return ret;
1900 }
1901
1902 static bool catia_getlock(vfs_handle_struct *handle,
1903                           files_struct *fsp,
1904                           off_t *poffset,
1905                           off_t *pcount,
1906                           int *ptype,
1907                           pid_t *ppid)
1908 {
1909         struct catia_cache *cc = NULL;
1910         int ret;
1911         bool ok;
1912
1913         ret = CATIA_FETCH_FSP_PRE_NEXT(talloc_tos(), handle, fsp, &cc);
1914         if (ret != 0) {
1915                 return false;
1916         }
1917
1918         ok = SMB_VFS_NEXT_GETLOCK(handle, fsp, poffset, pcount, ptype, ppid);
1919
1920         CATIA_FETCH_FSP_POST_NEXT(&cc, fsp);
1921
1922         return ok;
1923 }
1924
1925 static bool catia_strict_lock_check(struct vfs_handle_struct *handle,
1926                                     struct files_struct *fsp,
1927                                     struct lock_struct *plock)
1928 {
1929         struct catia_cache *cc = NULL;
1930         int ret;
1931         bool ok;
1932
1933         ret = CATIA_FETCH_FSP_PRE_NEXT(talloc_tos(), handle, fsp, &cc);
1934         if (ret != 0) {
1935                 return false;
1936         }
1937
1938         ok = SMB_VFS_NEXT_STRICT_LOCK_CHECK(handle, fsp, plock);
1939
1940         CATIA_FETCH_FSP_POST_NEXT(&cc, fsp);
1941
1942         return ok;
1943 }
1944
1945 static NTSTATUS catia_fsctl(struct vfs_handle_struct *handle,
1946                             struct files_struct *fsp,
1947                             TALLOC_CTX *ctx,
1948                             uint32_t function,
1949                             uint16_t req_flags,
1950                             const uint8_t *_in_data,
1951                             uint32_t in_len,
1952                             uint8_t **_out_data,
1953                             uint32_t max_out_len,
1954                             uint32_t *out_len)
1955 {
1956         NTSTATUS result;
1957         struct catia_cache *cc = NULL;
1958         int ret;
1959
1960         ret = CATIA_FETCH_FSP_PRE_NEXT(talloc_tos(), handle, fsp, &cc);
1961         if (ret != 0) {
1962                 return map_nt_error_from_unix(errno);
1963         }
1964
1965         result = SMB_VFS_NEXT_FSCTL(handle,
1966                                 fsp,
1967                                 ctx,
1968                                 function,
1969                                 req_flags,
1970                                 _in_data,
1971                                 in_len,
1972                                 _out_data,
1973                                 max_out_len,
1974                                 out_len);
1975
1976         CATIA_FETCH_FSP_POST_NEXT(&cc, fsp);
1977
1978         return result;
1979 }
1980
1981 static NTSTATUS catia_fget_compression(vfs_handle_struct *handle,
1982                                       TALLOC_CTX *mem_ctx,
1983                                       struct files_struct *fsp,
1984                                       uint16_t *_compression_fmt)
1985 {
1986         NTSTATUS result;
1987         struct catia_cache *cc = NULL;
1988         int ret;
1989
1990         ret = CATIA_FETCH_FSP_PRE_NEXT(talloc_tos(), handle, fsp, &cc);
1991         if (ret != 0) {
1992                 return map_nt_error_from_unix(errno);
1993         }
1994
1995         result = SMB_VFS_NEXT_FGET_COMPRESSION(handle,
1996                                         mem_ctx,
1997                                         fsp,
1998                                         _compression_fmt);
1999
2000         CATIA_FETCH_FSP_POST_NEXT(&cc, fsp);
2001
2002         return result;
2003 }
2004
2005 static NTSTATUS catia_set_compression(vfs_handle_struct *handle,
2006                                       TALLOC_CTX *mem_ctx,
2007                                       struct files_struct *fsp,
2008                                       uint16_t compression_fmt)
2009 {
2010         NTSTATUS result;
2011         struct catia_cache *cc = NULL;
2012         int ret;
2013
2014         ret = CATIA_FETCH_FSP_PRE_NEXT(talloc_tos(), handle, fsp, &cc);
2015         if (ret != 0) {
2016                 return map_nt_error_from_unix(errno);
2017         }
2018
2019         result = SMB_VFS_NEXT_SET_COMPRESSION(handle, mem_ctx, fsp,
2020                                               compression_fmt);
2021
2022         CATIA_FETCH_FSP_POST_NEXT(&cc, fsp);
2023
2024         return result;
2025 }
2026
2027 static NTSTATUS catia_readdir_attr(struct vfs_handle_struct *handle,
2028                                    const struct smb_filename *smb_fname_in,
2029                                    TALLOC_CTX *mem_ctx,
2030                                    struct readdir_attr_data **pattr_data)
2031 {
2032         struct smb_filename *smb_fname;
2033         char *fname = NULL;
2034         NTSTATUS status;
2035
2036         status = catia_string_replace_allocate(handle->conn,
2037                                                smb_fname_in->base_name,
2038                                                &fname,
2039                                                vfs_translate_to_unix);
2040         if (!NT_STATUS_IS_OK(status)) {
2041                 errno = map_errno_from_nt_status(status);
2042                 return status;
2043         }
2044
2045         smb_fname = synthetic_smb_fname(talloc_tos(),
2046                                         fname,
2047                                         NULL,
2048                                         &smb_fname_in->st,
2049                                         smb_fname_in->twrp,
2050                                         0);
2051
2052         status = SMB_VFS_NEXT_READDIR_ATTR(handle, smb_fname, mem_ctx, pattr_data);
2053
2054         TALLOC_FREE(smb_fname);
2055         TALLOC_FREE(fname);
2056         return status;
2057 }
2058
2059 static NTSTATUS catia_create_dfs_pathat(struct vfs_handle_struct *handle,
2060                         struct files_struct *dirfsp,
2061                         const struct smb_filename *smb_fname,
2062                         const struct referral *reflist,
2063                         size_t referral_count)
2064 {
2065         char *mapped_name = NULL;
2066         const char *path = smb_fname->base_name;
2067         struct smb_filename *mapped_smb_fname = NULL;
2068         NTSTATUS status;
2069
2070         status = catia_string_replace_allocate(handle->conn,
2071                                         path,
2072                                         &mapped_name,
2073                                         vfs_translate_to_unix);
2074         if (!NT_STATUS_IS_OK(status)) {
2075                 errno = map_errno_from_nt_status(status);
2076                 return status;
2077         }
2078         mapped_smb_fname = synthetic_smb_fname(talloc_tos(),
2079                                         mapped_name,
2080                                         NULL,
2081                                         &smb_fname->st,
2082                                         smb_fname->twrp,
2083                                         smb_fname->flags);
2084         if (mapped_smb_fname == NULL) {
2085                 TALLOC_FREE(mapped_name);
2086                 return NT_STATUS_NO_MEMORY;
2087         }
2088
2089         status = SMB_VFS_NEXT_CREATE_DFS_PATHAT(handle,
2090                                         dirfsp,
2091                                         mapped_smb_fname,
2092                                         reflist,
2093                                         referral_count);
2094         TALLOC_FREE(mapped_name);
2095         TALLOC_FREE(mapped_smb_fname);
2096         return status;
2097 }
2098
2099 static NTSTATUS catia_read_dfs_pathat(struct vfs_handle_struct *handle,
2100                         TALLOC_CTX *mem_ctx,
2101                         struct files_struct *dirfsp,
2102                         struct smb_filename *smb_fname,
2103                         struct referral **ppreflist,
2104                         size_t *preferral_count)
2105 {
2106         char *mapped_name = NULL;
2107         const char *path = smb_fname->base_name;
2108         struct smb_filename *mapped_smb_fname = NULL;
2109         NTSTATUS status;
2110
2111         status = catia_string_replace_allocate(handle->conn,
2112                                         path,
2113                                         &mapped_name,
2114                                         vfs_translate_to_unix);
2115         if (!NT_STATUS_IS_OK(status)) {
2116                 errno = map_errno_from_nt_status(status);
2117                 return status;
2118         }
2119         mapped_smb_fname = synthetic_smb_fname(talloc_tos(),
2120                                         mapped_name,
2121                                         NULL,
2122                                         &smb_fname->st,
2123                                         smb_fname->twrp,
2124                                         smb_fname->flags);
2125         if (mapped_smb_fname == NULL) {
2126                 TALLOC_FREE(mapped_name);
2127                 return NT_STATUS_NO_MEMORY;
2128         }
2129
2130         status = SMB_VFS_NEXT_READ_DFS_PATHAT(handle,
2131                                         mem_ctx,
2132                                         dirfsp,
2133                                         mapped_smb_fname,
2134                                         ppreflist,
2135                                         preferral_count);
2136         if (NT_STATUS_IS_OK(status)) {
2137                 /* Return any stat(2) info. */
2138                 smb_fname->st = mapped_smb_fname->st;
2139         }
2140
2141         TALLOC_FREE(mapped_name);
2142         TALLOC_FREE(mapped_smb_fname);
2143         return status;
2144 }
2145
2146 static struct vfs_fn_pointers vfs_catia_fns = {
2147         .connect_fn = catia_connect,
2148
2149         /* Directory operations */
2150         .mkdirat_fn = catia_mkdirat,
2151         .readdir_attr_fn = catia_readdir_attr,
2152
2153         /* File operations */
2154         .openat_fn = catia_openat,
2155         .pread_fn = catia_pread,
2156         .pread_send_fn = catia_pread_send,
2157         .pread_recv_fn = catia_pread_recv,
2158         .pwrite_fn = catia_pwrite,
2159         .pwrite_send_fn = catia_pwrite_send,
2160         .pwrite_recv_fn = catia_pwrite_recv,
2161         .lseek_fn = catia_lseek,
2162         .renameat_fn = catia_renameat,
2163         .fsync_send_fn = catia_fsync_send,
2164         .fsync_recv_fn = catia_fsync_recv,
2165         .stat_fn = catia_stat,
2166         .fstat_fn = catia_fstat,
2167         .lstat_fn = catia_lstat,
2168         .unlinkat_fn = catia_unlinkat,
2169         .fchmod_fn = catia_fchmod,
2170         .fchown_fn = catia_fchown,
2171         .lchown_fn = catia_lchown,
2172         .chdir_fn = catia_chdir,
2173         .ntimes_fn = catia_ntimes,
2174         .fntimes_fn = catia_fntimes,
2175         .ftruncate_fn = catia_ftruncate,
2176         .fallocate_fn = catia_fallocate,
2177         .lock_fn = catia_lock,
2178         .kernel_flock_fn = catia_kernel_flock,
2179         .linux_setlease_fn = catia_linux_setlease,
2180         .getlock_fn = catia_getlock,
2181         .realpath_fn = catia_realpath,
2182         .chflags_fn = catia_chflags,
2183         .streaminfo_fn = catia_streaminfo,
2184         .strict_lock_check_fn = catia_strict_lock_check,
2185         .translate_name_fn = catia_translate_name,
2186         .fsctl_fn = catia_fsctl,
2187         .get_dos_attributes_send_fn = vfs_not_implemented_get_dos_attributes_send,
2188         .get_dos_attributes_recv_fn = vfs_not_implemented_get_dos_attributes_recv,
2189         .fset_dos_attributes_fn = catia_fset_dos_attributes,
2190         .fget_dos_attributes_fn = catia_fget_dos_attributes,
2191         .fget_compression_fn = catia_fget_compression,
2192         .set_compression_fn = catia_set_compression,
2193         .create_dfs_pathat_fn = catia_create_dfs_pathat,
2194         .read_dfs_pathat_fn = catia_read_dfs_pathat,
2195
2196         /* NT ACL operations. */
2197         .get_nt_acl_at_fn = catia_get_nt_acl_at,
2198         .fget_nt_acl_fn = catia_fget_nt_acl,
2199         .fset_nt_acl_fn = catia_fset_nt_acl,
2200
2201         /* POSIX ACL operations. */
2202         .sys_acl_get_file_fn = catia_sys_acl_get_file,
2203         .sys_acl_get_fd_fn = catia_sys_acl_get_fd,
2204         .sys_acl_blob_get_fd_fn = catia_sys_acl_blob_get_fd,
2205         .sys_acl_set_fd_fn = catia_sys_acl_set_fd,
2206         .sys_acl_delete_def_file_fn = catia_sys_acl_delete_def_file,
2207
2208         /* EA operations. */
2209         .getxattr_fn = catia_getxattr,
2210         .getxattrat_send_fn = vfs_not_implemented_getxattrat_send,
2211         .getxattrat_recv_fn = vfs_not_implemented_getxattrat_recv,
2212         .fgetxattr_fn = catia_fgetxattr,
2213         .flistxattr_fn = catia_flistxattr,
2214         .fremovexattr_fn = catia_fremovexattr,
2215         .fsetxattr_fn = catia_fsetxattr,
2216 };
2217
2218 static_decl_vfs;
2219 NTSTATUS vfs_catia_init(TALLOC_CTX *ctx)
2220 {
2221         NTSTATUS ret;
2222
2223         ret = smb_register_vfs(SMB_VFS_INTERFACE_VERSION, "catia",
2224                                 &vfs_catia_fns);
2225         if (!NT_STATUS_IS_OK(ret))
2226                 return ret;
2227
2228         vfs_catia_debug_level = debug_add_class("catia");
2229         if (vfs_catia_debug_level == -1) {
2230                 vfs_catia_debug_level = DBGC_VFS;
2231                 DEBUG(0, ("vfs_catia: Couldn't register custom debugging "
2232                           "class!\n"));
2233         } else {
2234                 DEBUG(10, ("vfs_catia: Debug class number of "
2235                            "'catia': %d\n", vfs_catia_debug_level));
2236         }
2237
2238         return ret;
2239
2240 }