source3/modules/vfs_recycle.c

   1 /*
   2  * Recycle bin VFS module for Samba.
   3  *
   4  * Copyright (C) 2001, Brandon Stone, Amherst College, <bbstone@amherst.edu>.
   5  * Copyright (C) 2002, Jeremy Allison - modified to make a VFS module.
   6  * Copyright (C) 2002, Alexander Bokovoy - cascaded VFS adoption,
   7  * Copyright (C) 2002, Juergen Hasch - added some options.
   8  * Copyright (C) 2002, Simo Sorce
   9  * Copyright (C) 2002, Stefan (metze) Metzmacher
  10  *
  11  * This program is free software; you can redistribute it and/or modify
  12  * it under the terms of the GNU General Public License as published by
  13  * the Free Software Foundation; either version 3 of the License, or
  14  * (at your option) any later version.
  15  *
  16  * This program is distributed in the hope that it will be useful,
  17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19  * GNU General Public License for more details.
  20  *
  21  * You should have received a copy of the GNU General Public License
  22  * along with this program; if not, see <http://www.gnu.org/licenses/>.
  23  */
  24
  25 #include "includes.h"
  26 #include "smbd/smbd.h"
  27 #include "system/filesys.h"
  28 #include "../librpc/gen_ndr/ndr_netlogon.h"
  29 #include "auth.h"
  30
  31 #define ALLOC_CHECK(ptr, label) do { if ((ptr) == NULL) { DEBUG(0, ("recycle.bin: out of memory!\n")); errno = ENOMEM; goto label; } } while(0)
  32
  33 static int vfs_recycle_debug_level = DBGC_VFS;
  34
  35 #undef DBGC_CLASS
  36 #define DBGC_CLASS vfs_recycle_debug_level
  37
  38 static int recycle_unlink(vfs_handle_struct *handle,
  39                           const struct smb_filename *smb_fname);
  40
  41 static const char *recycle_repository(vfs_handle_struct *handle)
  42 {
  43         const char *tmp_str = NULL;
  44
  45         tmp_str = lp_parm_const_string(SNUM(handle->conn), "recycle", "repository",".recycle");
  46
  47         DEBUG(10, ("recycle: repository = %s\n", tmp_str));
  48
  49         return tmp_str;
  50 }
  51
  52 static bool recycle_keep_dir_tree(vfs_handle_struct *handle)
  53 {
  54         bool ret;
  55
  56         ret = lp_parm_bool(SNUM(handle->conn), "recycle", "keeptree", False);
  57
  58         DEBUG(10, ("recycle_bin: keeptree = %s\n", ret?"True":"False"));
  59
  60         return ret;
  61 }
  62
  63 static bool recycle_versions(vfs_handle_struct *handle)
  64 {
  65         bool ret;
  66
  67         ret = lp_parm_bool(SNUM(handle->conn), "recycle", "versions", False);
  68
  69         DEBUG(10, ("recycle: versions = %s\n", ret?"True":"False"));
  70
  71         return ret;
  72 }
  73
  74 static bool recycle_touch(vfs_handle_struct *handle)
  75 {
  76         bool ret;
  77
  78         ret = lp_parm_bool(SNUM(handle->conn), "recycle", "touch", False);
  79
  80         DEBUG(10, ("recycle: touch = %s\n", ret?"True":"False"));
  81
  82         return ret;
  83 }
  84
  85 static bool recycle_touch_mtime(vfs_handle_struct *handle)
  86 {
  87         bool ret;
  88
  89         ret = lp_parm_bool(SNUM(handle->conn), "recycle", "touch_mtime", False);
  90
  91         DEBUG(10, ("recycle: touch_mtime = %s\n", ret?"True":"False"));
  92
  93         return ret;
  94 }
  95
  96 static const char **recycle_exclude(vfs_handle_struct *handle)
  97 {
  98         const char **tmp_lp;
  99
 100         tmp_lp = lp_parm_string_list(SNUM(handle->conn), "recycle", "exclude", NULL);
 101
 102         DEBUG(10, ("recycle: exclude = %s ...\n", tmp_lp?*tmp_lp:""));
 103
 104         return tmp_lp;
 105 }
 106
 107 static const char **recycle_exclude_dir(vfs_handle_struct *handle)
 108 {
 109         const char **tmp_lp;
 110
 111         tmp_lp = lp_parm_string_list(SNUM(handle->conn), "recycle", "exclude_dir", NULL);
 112
 113         DEBUG(10, ("recycle: exclude_dir = %s ...\n", tmp_lp?*tmp_lp:""));
 114
 115         return tmp_lp;
 116 }
 117
 118 static const char **recycle_noversions(vfs_handle_struct *handle)
 119 {
 120         const char **tmp_lp;
 121
 122         tmp_lp = lp_parm_string_list(SNUM(handle->conn), "recycle", "noversions", NULL);
 123
 124         DEBUG(10, ("recycle: noversions = %s\n", tmp_lp?*tmp_lp:""));
 125
 126         return tmp_lp;
 127 }
 128
 129 static off_t recycle_maxsize(vfs_handle_struct *handle)
 130 {
 131         off_t maxsize;
 132
 133         maxsize = conv_str_size(lp_parm_const_string(SNUM(handle->conn),
 134                                             "recycle", "maxsize", NULL));
 135
 136         DEBUG(10, ("recycle: maxsize = %lu\n", (long unsigned int)maxsize));
 137
 138         return maxsize;
 139 }
 140
 141 static off_t recycle_minsize(vfs_handle_struct *handle)
 142 {
 143         off_t minsize;
 144
 145         minsize = conv_str_size(lp_parm_const_string(SNUM(handle->conn),
 146                                             "recycle", "minsize", NULL));
 147
 148         DEBUG(10, ("recycle: minsize = %lu\n", (long unsigned int)minsize));
 149
 150         return minsize;
 151 }
 152
 153 static mode_t recycle_directory_mode(vfs_handle_struct *handle)
 154 {
 155         int dirmode;
 156         const char *buff;
 157
 158         buff = lp_parm_const_string(SNUM(handle->conn), "recycle", "directory_mode", NULL);
 159
 160         if (buff != NULL ) {
 161                 sscanf(buff, "%o", &dirmode);
 162         } else {
 163                 dirmode=S_IRUSR | S_IWUSR | S_IXUSR;
 164         }
 165
 166         DEBUG(10, ("recycle: directory_mode = %o\n", dirmode));
 167         return (mode_t)dirmode;
 168 }
 169
 170 static mode_t recycle_subdir_mode(vfs_handle_struct *handle)
 171 {
 172         int dirmode;
 173         const char *buff;
 174
 175         buff = lp_parm_const_string(SNUM(handle->conn), "recycle", "subdir_mode", NULL);
 176
 177         if (buff != NULL ) {
 178                 sscanf(buff, "%o", &dirmode);
 179         } else {
 180                 dirmode=recycle_directory_mode(handle);
 181         }
 182
 183         DEBUG(10, ("recycle: subdir_mode = %o\n", dirmode));
 184         return (mode_t)dirmode;
 185 }
 186
 187 static bool recycle_directory_exist(vfs_handle_struct *handle, const char *dname)
 188 {
 189         SMB_STRUCT_STAT st;
 190
 191         if (vfs_stat_smb_fname(handle->conn, dname, &st) == 0) {
 192                 if (S_ISDIR(st.st_ex_mode)) {
 193                         return True;
 194                 }
 195         }
 196
 197         return False;
 198 }
 199
 200 static bool recycle_file_exist(vfs_handle_struct *handle,
 201                                const struct smb_filename *smb_fname)
 202 {
 203         struct smb_filename *smb_fname_tmp = NULL;
 204         NTSTATUS status;
 205         bool ret = false;
 206
 207         status = copy_smb_filename(talloc_tos(), smb_fname, &smb_fname_tmp);
 208         if (!NT_STATUS_IS_OK(status)) {
 209                 return false;
 210         }
 211
 212         if (SMB_VFS_STAT(handle->conn, smb_fname_tmp) == 0) {
 213                 if (S_ISREG(smb_fname_tmp->st.st_ex_mode)) {
 214                         ret = true;
 215                 }
 216         }
 217
 218         TALLOC_FREE(smb_fname_tmp);
 219         return ret;
 220 }
 221
 222 /**
 223  * Return file size
 224  * @param conn connection
 225  * @param fname file name
 226  * @return size in bytes
 227  **/
 228 static off_t recycle_get_file_size(vfs_handle_struct *handle,
 229                                        const struct smb_filename *smb_fname)
 230 {
 231         struct smb_filename *smb_fname_tmp = NULL;
 232         NTSTATUS status;
 233         off_t size;
 234
 235         status = copy_smb_filename(talloc_tos(), smb_fname, &smb_fname_tmp);
 236         if (!NT_STATUS_IS_OK(status)) {
 237                 size = (off_t)0;
 238                 goto out;
 239         }
 240
 241         if (SMB_VFS_STAT(handle->conn, smb_fname_tmp) != 0) {
 242                 DEBUG(0,("recycle: stat for %s returned %s\n",
 243                          smb_fname_str_dbg(smb_fname_tmp), strerror(errno)));
 244                 size = (off_t)0;
 245                 goto out;
 246         }
 247
 248         size = smb_fname_tmp->st.st_ex_size;
 249  out:
 250         TALLOC_FREE(smb_fname_tmp);
 251         return size;
 252 }
 253
 254 /**
 255  * Create directory tree
 256  * @param conn connection
 257  * @param dname Directory tree to be created
 258  * @return Returns True for success
 259  **/
 260 static bool recycle_create_dir(vfs_handle_struct *handle, const char *dname)
 261 {
 262         size_t len;
 263         mode_t mode;
 264         char *new_dir = NULL;
 265         char *tmp_str = NULL;
 266         char *token;
 267         char *tok_str;
 268         bool ret = False;
 269         char *saveptr;
 270
 271         mode = recycle_directory_mode(handle);
 272
 273         tmp_str = SMB_STRDUP(dname);
 274         ALLOC_CHECK(tmp_str, done);
 275         tok_str = tmp_str;
 276
 277         len = strlen(dname)+1;
 278         new_dir = (char *)SMB_MALLOC(len + 1);
 279         ALLOC_CHECK(new_dir, done);
 280         *new_dir = '\0';
 281         if (dname[0] == '/') {
 282                 /* Absolute path. */
 283                 if (strlcat(new_dir,"/",len+1) >= len+1) {
 284                         goto done;
 285                 }
 286         }
 287
 288         /* Create directory tree if neccessary */
 289         for(token = strtok_r(tok_str, "/", &saveptr); token;
 290             token = strtok_r(NULL, "/", &saveptr)) {
 291                 if (strlcat(new_dir, token, len+1) >= len+1) {
 292                         goto done;
 293                 }
 294                 if (recycle_directory_exist(handle, new_dir))
 295                         DEBUG(10, ("recycle: dir %s already exists\n", new_dir));
 296                 else {
 297                         DEBUG(5, ("recycle: creating new dir %s\n", new_dir));
 298                         if (SMB_VFS_NEXT_MKDIR(handle, new_dir, mode) != 0) {
 299                                 DEBUG(1,("recycle: mkdir failed for %s with error: %s\n", new_dir, strerror(errno)));
 300                                 ret = False;
 301                                 goto done;
 302                         }
 303                 }
 304                 if (strlcat(new_dir, "/", len+1) >= len+1) {
 305                         goto done;
 306                 }
 307                 mode = recycle_subdir_mode(handle);
 308         }
 309
 310         ret = True;
 311 done:
 312         SAFE_FREE(tmp_str);
 313         SAFE_FREE(new_dir);
 314         return ret;
 315 }
 316
 317 /**
 318  * Check if any of the components of "exclude_list" are contained in path.
 319  * Return True if found
 320  **/
 321
 322 static bool matchdirparam(const char **dir_exclude_list, char *path)
 323 {
 324         char *startp = NULL, *endp = NULL;
 325
 326         if (dir_exclude_list == NULL || dir_exclude_list[0] == NULL ||
 327                 *dir_exclude_list[0] == '\0' || path == NULL || *path == '\0') {
 328                 return False;
 329         }
 330
 331         /*
 332          * Walk the components of path, looking for matches with the
 333          * exclude list on each component.
 334          */
 335
 336         for (startp = path; startp; startp = endp) {
 337                 int i;
 338
 339                 while (*startp == '/') {
 340                         startp++;
 341                 }
 342                 endp = strchr(startp, '/');
 343                 if (endp) {
 344                         *endp = '\0';
 345                 }
 346
 347                 for(i=0; dir_exclude_list[i] ; i++) {
 348                         if(unix_wild_match(dir_exclude_list[i], startp)) {
 349                                 /* Repair path. */
 350                                 if (endp) {
 351                                         *endp = '/';
 352                                 }
 353                                 return True;
 354                         }
 355                 }
 356
 357                 /* Repair path. */
 358                 if (endp) {
 359                         *endp = '/';
 360                 }
 361         }
 362
 363         return False;
 364 }
 365
 366 /**
 367  * Check if needle is contained in haystack, * and ? patterns are resolved
 368  * @param haystack list of parameters separated by delimimiter character
 369  * @param needle string to be matched exectly to haystack including pattern matching
 370  * @return True if found
 371  **/
 372 static bool matchparam(const char **haystack_list, const char *needle)
 373 {
 374         int i;
 375
 376         if (haystack_list == NULL || haystack_list[0] == NULL ||
 377                 *haystack_list[0] == '\0' || needle == NULL || *needle == '\0') {
 378                 return False;
 379         }
 380
 381         for(i=0; haystack_list[i] ; i++) {
 382                 if(unix_wild_match(haystack_list[i], needle)) {
 383                         return True;
 384                 }
 385         }
 386
 387         return False;
 388 }
 389
 390 /**
 391  * Touch access or modify date
 392  **/
 393 static void recycle_do_touch(vfs_handle_struct *handle,
 394                              const struct smb_filename *smb_fname,
 395                              bool touch_mtime)
 396 {
 397         struct smb_filename *smb_fname_tmp = NULL;
 398         struct smb_file_time ft;
 399         NTSTATUS status;
 400         int ret, err;
 401
 402         ZERO_STRUCT(ft);
 403
 404         status = copy_smb_filename(talloc_tos(), smb_fname, &smb_fname_tmp);
 405         if (!NT_STATUS_IS_OK(status)) {
 406                 return;
 407         }
 408
 409         if (SMB_VFS_STAT(handle->conn, smb_fname_tmp) != 0) {
 410                 DEBUG(0,("recycle: stat for %s returned %s\n",
 411                          smb_fname_str_dbg(smb_fname_tmp), strerror(errno)));
 412                 goto out;
 413         }
 414         /* atime */
 415         ft.atime = timespec_current();
 416         /* mtime */
 417         ft.mtime = touch_mtime ? ft.atime : smb_fname_tmp->st.st_ex_mtime;
 418
 419         become_root();
 420         ret = SMB_VFS_NEXT_NTIMES(handle, smb_fname_tmp, &ft);
 421         err = errno;
 422         unbecome_root();
 423         if (ret == -1 ) {
 424                 DEBUG(0, ("recycle: touching %s failed, reason = %s\n",
 425                           smb_fname_str_dbg(smb_fname_tmp), strerror(err)));
 426         }
 427  out:
 428         TALLOC_FREE(smb_fname_tmp);
 429 }
 430
 431 /**
 432  * Check if file should be recycled
 433  **/
 434 static int recycle_unlink(vfs_handle_struct *handle,
 435     const struct smb_filename *smb_fname)
 436 {
 437         connection_struct *conn = handle->conn;
 438         char *path_name = NULL;
 439         char *temp_name = NULL;
 440         char *final_name = NULL;
 441         struct smb_filename *smb_fname_final = NULL;
 442         const char *base;
 443         char *repository = NULL;
 444         int i = 1;
 445         off_t maxsize, minsize;
 446         off_t file_size; /* space_avail;        */
 447         bool exist;
 448         NTSTATUS status;
 449         int rc = -1;
 450
 451         repository = talloc_sub_advanced(NULL, lp_servicename(talloc_tos(), SNUM(conn)),
 452                                         conn->session_info->unix_info->unix_name,
 453                                         conn->connectpath,
 454                                         conn->session_info->unix_token->gid,
 455                                         conn->session_info->unix_info->sanitized_username,
 456                                         conn->session_info->info->domain_name,
 457                                         recycle_repository(handle));
 458         ALLOC_CHECK(repository, done);
 459         /* shouldn't we allow absolute path names here? --metze */
 460         /* Yes :-). JRA. */
 461         trim_char(repository, '\0', '/');
 462
 463         if(!repository || *(repository) == '\0') {
 464                 DEBUG(3, ("recycle: repository path not set, purging %s...\n",
 465                           smb_fname_str_dbg(smb_fname)));
 466                 rc = SMB_VFS_NEXT_UNLINK(handle, smb_fname);
 467                 goto done;
 468         }
 469
 470         /* we don't recycle the recycle bin... */
 471         if (strncmp(smb_fname->base_name, repository,
 472                     strlen(repository)) == 0) {
 473                 DEBUG(3, ("recycle: File is within recycling bin, unlinking ...\n"));
 474                 rc = SMB_VFS_NEXT_UNLINK(handle, smb_fname);
 475                 goto done;
 476         }
 477
 478         file_size = recycle_get_file_size(handle, smb_fname);
 479         /* it is wrong to purge filenames only because they are empty imho
 480          *   --- simo
 481          *
 482         if(fsize == 0) {
 483                 DEBUG(3, ("recycle: File %s is empty, purging...\n", file_name));
 484                 rc = SMB_VFS_NEXT_UNLINK(handle,file_name);
 485                 goto done;
 486         }
 487          */
 488
 489         /* FIXME: this is wrong, we should check the whole size of the recycle bin is
 490          * not greater then maxsize, not the size of the single file, also it is better
 491          * to remove older files
 492          */
 493         maxsize = recycle_maxsize(handle);
 494         if(maxsize > 0 && file_size > maxsize) {
 495                 DEBUG(3, ("recycle: File %s exceeds maximum recycle size, "
 496                           "purging... \n", smb_fname_str_dbg(smb_fname)));
 497                 rc = SMB_VFS_NEXT_UNLINK(handle, smb_fname);
 498                 goto done;
 499         }
 500         minsize = recycle_minsize(handle);
 501         if(minsize > 0 && file_size < minsize) {
 502                 DEBUG(3, ("recycle: File %s lowers minimum recycle size, "
 503                           "purging... \n", smb_fname_str_dbg(smb_fname)));
 504                 rc = SMB_VFS_NEXT_UNLINK(handle, smb_fname);
 505                 goto done;
 506         }
 507
 508         /* FIXME: this is wrong: moving files with rename does not change the disk space
 509          * allocation
 510          *
 511         space_avail = SMB_VFS_NEXT_DISK_FREE(handle, ".", True, &bsize, &dfree, &dsize) * 1024L;
 512         DEBUG(5, ("space_avail = %Lu, file_size = %Lu\n", space_avail, file_size));
 513         if(space_avail < file_size) {
 514                 DEBUG(3, ("recycle: Not enough diskspace, purging file %s\n", file_name));
 515                 rc = SMB_VFS_NEXT_UNLINK(handle, file_name);
 516                 goto done;
 517         }
 518          */
 519
 520         /* extract filename and path */
 521         base = strrchr(smb_fname->base_name, '/');
 522         if (base == NULL) {
 523                 base = smb_fname->base_name;
 524                 path_name = SMB_STRDUP("/");
 525                 ALLOC_CHECK(path_name, done);
 526         }
 527         else {
 528                 path_name = SMB_STRDUP(smb_fname->base_name);
 529                 ALLOC_CHECK(path_name, done);
 530                 path_name[base - smb_fname->base_name] = '\0';
 531                 base++;
 532         }
 533
 534         /* original filename with path */
 535         DEBUG(10, ("recycle: fname = %s\n", smb_fname_str_dbg(smb_fname)));
 536         /* original path */
 537         DEBUG(10, ("recycle: fpath = %s\n", path_name));
 538         /* filename without path */
 539         DEBUG(10, ("recycle: base = %s\n", base));
 540
 541         if (matchparam(recycle_exclude(handle), base)) {
 542                 DEBUG(3, ("recycle: file %s is excluded \n", base));
 543                 rc = SMB_VFS_NEXT_UNLINK(handle, smb_fname);
 544                 goto done;
 545         }
 546
 547         if (matchdirparam(recycle_exclude_dir(handle), path_name)) {
 548                 DEBUG(3, ("recycle: directory %s is excluded \n", path_name));
 549                 rc = SMB_VFS_NEXT_UNLINK(handle, smb_fname);
 550                 goto done;
 551         }
 552
 553         if (recycle_keep_dir_tree(handle) == True) {
 554                 if (asprintf(&temp_name, "%s/%s", repository, path_name) == -1) {
 555                         ALLOC_CHECK(temp_name, done);
 556                 }
 557         } else {
 558                 temp_name = SMB_STRDUP(repository);
 559         }
 560         ALLOC_CHECK(temp_name, done);
 561
 562         exist = recycle_directory_exist(handle, temp_name);
 563         if (exist) {
 564                 DEBUG(10, ("recycle: Directory already exists\n"));
 565         } else {
 566                 DEBUG(10, ("recycle: Creating directory %s\n", temp_name));
 567                 if (recycle_create_dir(handle, temp_name) == False) {
 568                         DEBUG(3, ("recycle: Could not create directory, "
 569                                   "purging %s...\n",
 570                                   smb_fname_str_dbg(smb_fname)));
 571                         rc = SMB_VFS_NEXT_UNLINK(handle, smb_fname);
 572                         goto done;
 573                 }
 574         }
 575
 576         if (asprintf(&final_name, "%s/%s", temp_name, base) == -1) {
 577                 ALLOC_CHECK(final_name, done);
 578         }
 579
 580         /* Create smb_fname with final base name and orig stream name. */
 581         status = create_synthetic_smb_fname(talloc_tos(), final_name,
 582                                             smb_fname->stream_name, NULL,
 583                                             &smb_fname_final);
 584         if (!NT_STATUS_IS_OK(status)) {
 585                 rc = SMB_VFS_NEXT_UNLINK(handle, smb_fname);
 586                 goto done;
 587         }
 588
 589         /* new filename with path */
 590         DEBUG(10, ("recycle: recycled file name: %s\n",
 591                    smb_fname_str_dbg(smb_fname_final)));
 592
 593         /* check if we should delete file from recycle bin */
 594         if (recycle_file_exist(handle, smb_fname_final)) {
 595                 if (recycle_versions(handle) == False || matchparam(recycle_noversions(handle), base) == True) {
 596                         DEBUG(3, ("recycle: Removing old file %s from recycle "
 597                                   "bin\n", smb_fname_str_dbg(smb_fname_final)));
 598                         if (SMB_VFS_NEXT_UNLINK(handle,
 599                                                 smb_fname_final) != 0) {
 600                                 DEBUG(1, ("recycle: Error deleting old file: %s\n", strerror(errno)));
 601                         }
 602                 }
 603         }
 604
 605         /* rename file we move to recycle bin */
 606         i = 1;
 607         while (recycle_file_exist(handle, smb_fname_final)) {
 608                 SAFE_FREE(final_name);
 609                 if (asprintf(&final_name, "%s/Copy #%d of %s", temp_name, i++, base) == -1) {
 610                         ALLOC_CHECK(final_name, done);
 611                 }
 612                 TALLOC_FREE(smb_fname_final->base_name);
 613                 smb_fname_final->base_name = talloc_strdup(smb_fname_final,
 614                                                            final_name);
 615                 if (smb_fname_final->base_name == NULL) {
 616                         rc = SMB_VFS_NEXT_UNLINK(handle, smb_fname);
 617                         goto done;
 618                 }
 619         }
 620
 621         DEBUG(10, ("recycle: Moving %s to %s\n", smb_fname_str_dbg(smb_fname),
 622                 smb_fname_str_dbg(smb_fname_final)));
 623         rc = SMB_VFS_NEXT_RENAME(handle, smb_fname, smb_fname_final);
 624         if (rc != 0) {
 625                 DEBUG(3, ("recycle: Move error %d (%s), purging file %s "
 626                           "(%s)\n", errno, strerror(errno),
 627                           smb_fname_str_dbg(smb_fname),
 628                           smb_fname_str_dbg(smb_fname_final)));
 629                 rc = SMB_VFS_NEXT_UNLINK(handle, smb_fname);
 630                 goto done;
 631         }
 632
 633         /* touch access date of moved file */
 634         if (recycle_touch(handle) == True || recycle_touch_mtime(handle))
 635                 recycle_do_touch(handle, smb_fname_final,
 636                                  recycle_touch_mtime(handle));
 637
 638 done:
 639         SAFE_FREE(path_name);
 640         SAFE_FREE(temp_name);
 641         SAFE_FREE(final_name);
 642         TALLOC_FREE(smb_fname_final);
 643         TALLOC_FREE(repository);
 644         return rc;
 645 }
 646
 647 static struct vfs_fn_pointers vfs_recycle_fns = {
 648         .unlink_fn = recycle_unlink
 649 };
 650
 651 NTSTATUS vfs_recycle_init(void);
 652 NTSTATUS vfs_recycle_init(void)
 653 {
 654         NTSTATUS ret = smb_register_vfs(SMB_VFS_INTERFACE_VERSION, "recycle",
 655                                         &vfs_recycle_fns);
 656
 657         if (!NT_STATUS_IS_OK(ret))
 658                 return ret;
 659
 660         vfs_recycle_debug_level = debug_add_class("recycle");
 661         if (vfs_recycle_debug_level == -1) {
 662                 vfs_recycle_debug_level = DBGC_VFS;
 663                 DEBUG(0, ("vfs_recycle: Couldn't register custom debugging class!\n"));
 664         } else {
 665                 DEBUG(10, ("vfs_recycle: Debug class number of 'recycle': %d\n", vfs_recycle_debug_level));
 666         }
 667
 668         return ret;
 669 }