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   1 /*
   2  * wim.c
   3  */
   4
   5 /*
   6  * Copyright (C) 2010 Carl Thijssen
   7  * Copyright (C) 2012 Eric Biggers
   8  *
   9  * wimlib - Library for working with WIM files
  10  *
  11  * This file is part of wimlib, a library for working with WIM files.
  12  *
  13  * wimlib is free software; you can redistribute it and/or modify it under the
  14  * terms of the GNU General Public License as published by the Free
  15  * Software Foundation; either version 3 of the License, or (at your option)
  16  * any later version.
  17  *
  18  * wimlib is distributed in the hope that it will be useful, but WITHOUT ANY
  19  * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
  20  * A PARTICULAR PURPOSE. See the GNU General Public License for more
  21  * details.
  22  *
  23  * You should have received a copy of the GNU General Public License
  24  * along with wimlib; if not, see http://www.gnu.org/licenses/.
  25  */
  26
  27 #include "config.h"
  28 #include <limits.h>
  29 #include <stdlib.h>
  30 #include <stdarg.h>
  31
  32 #include "dentry.h"
  33 #include <unistd.h>
  34 #include <fcntl.h>
  35
  36 #ifdef WITH_NTFS_3G
  37 #include <time.h>
  38 #include <ntfs-3g/volume.h>
  39 #endif
  40
  41 #include "wimlib_internal.h"
  42 #include "io.h"
  43 #include "lookup_table.h"
  44 #include "xml.h"
  45
  46 static int print_metadata(WIMStruct *w)
  47 {
  48         DEBUG("Printing metadata for image %d", w->current_image);
  49         print_security_data(wim_security_data(w));
  50         return for_dentry_in_tree(wim_root_dentry(w), print_dentry,
  51                                   w->lookup_table);
  52 }
  53
  54
  55 static int print_files(WIMStruct *w)
  56 {
  57         return for_dentry_in_tree(wim_root_dentry(w), print_dentry_full_path,
  58                                   NULL);
  59 }
  60
  61 WIMStruct *new_wim_struct()
  62 {
  63         WIMStruct *w = CALLOC(1, sizeof(WIMStruct));
  64 #ifdef WITH_FUSE
  65         if (pthread_mutex_init(&w->fp_tab_mutex, NULL) != 0) {
  66                 ERROR_WITH_ERRNO("Failed to initialize mutex");
  67                 FREE(w);
  68                 w = NULL;
  69         }
  70 #endif
  71         return w;
  72
  73 }
  74
  75 /*
  76  * Calls a function on images in the WIM.  If @image is WIMLIB_ALL_IMAGES, @visitor
  77  * is called on the WIM once for each image, with each image selected as the
  78  * current image in turn.  If @image is a certain image, @visitor is called on
  79  * the WIM only once, with that image selected.
  80  */
  81 int for_image(WIMStruct *w, int image, int (*visitor)(WIMStruct *))
  82 {
  83         int ret;
  84         int start;
  85         int end;
  86         int i;
  87
  88         if (image == WIMLIB_ALL_IMAGES) {
  89                 start = 1;
  90                 end = w->hdr.image_count;
  91         } else if (image >= 1 && image <= w->hdr.image_count) {
  92                 start = image;
  93                 end = image;
  94         } else {
  95                 return WIMLIB_ERR_INVALID_IMAGE;
  96         }
  97         for (i = start; i <= end; i++) {
  98                 ret = select_wim_image(w, i);
  99                 if (ret != 0)
 100                         return ret;
 101                 ret = visitor(w);
 102                 if (ret != 0)
 103                         return ret;
 104         }
 105         return 0;
 106 }
 107
 108 static int sort_image_metadata_by_position(const void *p1, const void *p2)
 109 {
 110         const struct image_metadata *imd1 = p1;
 111         const struct image_metadata *imd2 = p2;
 112         u64 offset1 = imd1->metadata_lte->resource_entry.offset;
 113         u64 offset2 = imd2->metadata_lte->resource_entry.offset;
 114         if (offset1 < offset2)
 115                 return -1;
 116         else if (offset1 > offset2)
 117                 return 1;
 118         else
 119                 return 0;
 120 }
 121
 122 /*
 123  * If @lte points to a metadata resource, append it to the list of metadata
 124  * resources in the WIMStruct.  Otherwise, do nothing.
 125  */
 126 static int append_metadata_resource_entry(struct lookup_table_entry *lte,
 127                                           void *wim_p)
 128 {
 129         WIMStruct *w = wim_p;
 130         int ret = 0;
 131
 132         if (lte->resource_entry.flags & WIM_RESHDR_FLAG_METADATA) {
 133                 if (w->current_image == w->hdr.image_count) {
 134                         ERROR("The WIM header says there are %u images in the WIM,\n"
 135                               "        but we found more metadata resources than this",
 136                               w->hdr.image_count);
 137                         ret = WIMLIB_ERR_IMAGE_COUNT;
 138                 } else {
 139                         DEBUG("Found metadata resource for image %u at "
 140                               "offset %"PRIu64".",
 141                               w->current_image + 1,
 142                               lte->resource_entry.offset);
 143                         w->image_metadata[
 144                                 w->current_image++].metadata_lte = lte;
 145                 }
 146         }
 147         return ret;
 148 }
 149
 150 /* Returns the compression type given in the flags of a WIM header. */
 151 int wim_hdr_flags_compression_type(int wim_hdr_flags)
 152 {
 153         if (wim_hdr_flags & WIM_HDR_FLAG_COMPRESSION) {
 154                 if (wim_hdr_flags & WIM_HDR_FLAG_COMPRESS_LZX)
 155                         return WIMLIB_COMPRESSION_TYPE_LZX;
 156                 else if (wim_hdr_flags & WIM_HDR_FLAG_COMPRESS_XPRESS)
 157                         return WIMLIB_COMPRESSION_TYPE_XPRESS;
 158                 else
 159                         return WIMLIB_COMPRESSION_TYPE_INVALID;
 160         } else {
 161                 return WIMLIB_COMPRESSION_TYPE_NONE;
 162         }
 163 }
 164
 165 /*
 166  * Creates a WIMStruct for a new WIM file.
 167  */
 168 WIMLIBAPI int wimlib_create_new_wim(int ctype, WIMStruct **w_ret)
 169 {
 170         WIMStruct *w;
 171         struct lookup_table *table;
 172         int ret;
 173
 174         DEBUG("Creating new WIM with %s compression.",
 175               wimlib_get_compression_type_string(ctype));
 176
 177         /* Allocate the WIMStruct. */
 178         w = new_wim_struct();
 179         if (!w)
 180                 return WIMLIB_ERR_NOMEM;
 181
 182         ret = init_header(&w->hdr, ctype);
 183         if (ret != 0)
 184                 goto out_free;
 185
 186         table = new_lookup_table(9001);
 187         if (!table) {
 188                 ret = WIMLIB_ERR_NOMEM;
 189                 goto out_free;
 190         }
 191         w->lookup_table = table;
 192         *w_ret = w;
 193         return 0;
 194 out_free:
 195         FREE(w);
 196         return ret;
 197 }
 198
 199 WIMLIBAPI int wimlib_get_num_images(const WIMStruct *w)
 200 {
 201         return w->hdr.image_count;
 202 }
 203
 204 int select_wim_image(WIMStruct *w, int image)
 205 {
 206         struct image_metadata *imd;
 207
 208         DEBUG("Selecting image %d", image);
 209
 210         if (image == w->current_image)
 211                 return 0;
 212
 213         if (image < 1 || image > w->hdr.image_count) {
 214                 ERROR("Cannot select image %d: There are only %u images",
 215                       image, w->hdr.image_count);
 216                 return WIMLIB_ERR_INVALID_IMAGE;
 217         }
 218
 219         /* If a valid image is currently selected, it can be freed if it is not
 220          * modified.  */
 221         if (w->current_image != WIMLIB_NO_IMAGE) {
 222                 imd = wim_get_current_image_metadata(w);
 223                 if (!imd->modified) {
 224                         DEBUG("Freeing image %u", w->current_image);
 225                         destroy_image_metadata(imd, NULL);
 226                         imd->root_dentry = NULL;
 227                         imd->security_data = NULL;
 228                         INIT_HLIST_HEAD(&imd->inode_list);
 229                 }
 230         }
 231
 232         w->current_image = image;
 233         imd = wim_get_current_image_metadata(w);
 234
 235         if (imd->root_dentry) {
 236                 return 0;
 237         } else {
 238                 #ifdef ENABLE_DEBUG
 239                 DEBUG("Reading metadata resource specified by the following "
 240                       "lookup table entry:");
 241                 print_lookup_table_entry(imd->metadata_lte);
 242                 #endif
 243                 return read_metadata_resource(w, imd);
 244         }
 245 }
 246
 247
 248 /* Returns the compression type of the WIM file. */
 249 WIMLIBAPI int wimlib_get_compression_type(const WIMStruct *w)
 250 {
 251         return wim_hdr_flags_compression_type(w->hdr.flags);
 252 }
 253
 254 WIMLIBAPI const char *wimlib_get_compression_type_string(int ctype)
 255 {
 256         switch (ctype) {
 257                 case WIMLIB_COMPRESSION_TYPE_NONE:
 258                         return "None";
 259                 case WIMLIB_COMPRESSION_TYPE_LZX:
 260                         return "LZX";
 261                 case WIMLIB_COMPRESSION_TYPE_XPRESS:
 262                         return "XPRESS";
 263                 default:
 264                         return "Invalid";
 265         }
 266 }
 267
 268 /*
 269  * Returns the number of an image in the WIM file, given a string that is either
 270  * the number of the image, or the name of the image.  The images are numbered
 271  * starting at 1.
 272  */
 273 WIMLIBAPI int wimlib_resolve_image(WIMStruct *w, const char *image_name_or_num)
 274 {
 275         char *p;
 276         int image;
 277         int i;
 278
 279         if (!image_name_or_num || !*image_name_or_num)
 280                 return WIMLIB_NO_IMAGE;
 281
 282         if (strcmp(image_name_or_num, "all") == 0
 283             || strcmp(image_name_or_num, "*") == 0)
 284                 return WIMLIB_ALL_IMAGES;
 285         image = strtol(image_name_or_num, &p, 10);
 286         if (p != image_name_or_num && *p == '\0' && image > 0) {
 287                 if (image > w->hdr.image_count)
 288                         return WIMLIB_NO_IMAGE;
 289                 return image;
 290         } else {
 291                 for (i = 1; i <= w->hdr.image_count; i++) {
 292                         if (strcmp(image_name_or_num,
 293                                    wimlib_get_image_name(w, i)) == 0)
 294                                 return i;
 295                 }
 296                 return WIMLIB_NO_IMAGE;
 297         }
 298 }
 299
 300
 301 /* Prints some basic information about a WIM file. */
 302 WIMLIBAPI void wimlib_print_wim_information(const WIMStruct *w)
 303 {
 304         const struct wim_header *hdr;
 305
 306         hdr = &w->hdr;
 307         puts("WIM Information:");
 308         puts("----------------");
 309         printf("Path:           %s\n", w->filename);
 310         fputs ("GUID:           0x", stdout);
 311         print_byte_field(hdr->guid, WIM_GID_LEN);
 312         putchar('\n');
 313         printf("Image Count:    %d\n", hdr->image_count);
 314         printf("Compression:    %s\n", wimlib_get_compression_type_string(
 315                                                 wimlib_get_compression_type(w)));
 316         printf("Part Number:    %d/%d\n", hdr->part_number, hdr->total_parts);
 317         printf("Boot Index:     %d\n", hdr->boot_idx);
 318         printf("Size:           %"PRIu64" bytes\n",
 319                                 wim_info_get_total_bytes(w->wim_info));
 320         printf("Integrity Info: %s\n", (w->hdr.integrity.size != 0) ? "yes" : "no");
 321         putchar('\n');
 322 }
 323
 324 WIMLIBAPI bool wimlib_has_integrity_table(const WIMStruct *w)
 325 {
 326         return w->hdr.integrity.size != 0;
 327 }
 328
 329 WIMLIBAPI void wimlib_print_available_images(const WIMStruct *w, int image)
 330 {
 331         int first;
 332         int last;
 333         int i;
 334         int n;
 335         if (image == WIMLIB_ALL_IMAGES) {
 336                 n = printf("Available Images:\n");
 337                 first = 1;
 338                 last = w->hdr.image_count;
 339         } else if (image >= 1 && image <= w->hdr.image_count) {
 340                 n = printf("Information for Image %d\n", image);
 341                 first = image;
 342                 last = image;
 343         } else {
 344                 printf("wimlib_print_available_images(): Invalid image %d",
 345                        image);
 346                 return;
 347         }
 348         for (i = 0; i < n - 1; i++)
 349                 putchar('-');
 350         putchar('\n');
 351         for (i = first; i <= last; i++)
 352                 print_image_info(w->wim_info, i);
 353 }
 354
 355
 356 /* Prints the metadata for the specified image, which may be WIMLIB_ALL_IMAGES, but
 357  * not WIMLIB_NO_IMAGE. */
 358 WIMLIBAPI int wimlib_print_metadata(WIMStruct *w, int image)
 359 {
 360         if (!w)
 361                 return WIMLIB_ERR_INVALID_PARAM;
 362         if (w->hdr.part_number != 1) {
 363                 ERROR("Cannot show the metadata from part %hu of a %hu-part split WIM!",
 364                        w->hdr.part_number, w->hdr.total_parts);
 365                 ERROR("Select the first part of the split WIM to see the metadata.");
 366                 return WIMLIB_ERR_SPLIT_UNSUPPORTED;
 367         }
 368         return for_image(w, image, print_metadata);
 369 }
 370
 371 WIMLIBAPI int wimlib_print_files(WIMStruct *w, int image)
 372 {
 373         if (!w)
 374                 return WIMLIB_ERR_INVALID_PARAM;
 375         if (w->hdr.part_number != 1) {
 376                 ERROR("Cannot list the files from part %hu of a %hu-part split WIM!",
 377                        w->hdr.part_number, w->hdr.total_parts);
 378                 ERROR("Select the first part of the split WIM if you'd like to list the files.");
 379                 return WIMLIB_ERR_SPLIT_UNSUPPORTED;
 380         }
 381         return for_image(w, image, print_files);
 382 }
 383
 384 /* Sets the index of the bootable image. */
 385 WIMLIBAPI int wimlib_set_boot_idx(WIMStruct *w, int boot_idx)
 386 {
 387         if (!w)
 388                 return WIMLIB_ERR_INVALID_PARAM;
 389         if (w->hdr.total_parts != 1) {
 390                 ERROR("Cannot modify the boot index of a split WIM!");
 391                 return WIMLIB_ERR_SPLIT_UNSUPPORTED;
 392         }
 393         if (boot_idx < 0 || boot_idx > w->hdr.image_count)
 394                 return WIMLIB_ERR_INVALID_IMAGE;
 395         w->hdr.boot_idx = boot_idx;
 396
 397         if (boot_idx == 0) {
 398                 memset(&w->hdr.boot_metadata_res_entry, 0,
 399                        sizeof(struct resource_entry));
 400         } else {
 401                 memcpy(&w->hdr.boot_metadata_res_entry,
 402                        &w->image_metadata[
 403                           boot_idx - 1].metadata_lte->resource_entry,
 404                        sizeof(struct resource_entry));
 405         }
 406
 407         return 0;
 408 }
 409
 410 WIMLIBAPI int wimlib_get_part_number(const WIMStruct *w, int *total_parts_ret)
 411 {
 412         if (total_parts_ret)
 413                 *total_parts_ret = w->hdr.total_parts;
 414         return w->hdr.part_number;
 415 }
 416
 417
 418 WIMLIBAPI int wimlib_get_boot_idx(const WIMStruct *w)
 419 {
 420         return w->hdr.boot_idx;
 421 }
 422
 423 /*
 424  * Begins the reading of a WIM file; opens the file and reads its header and
 425  * lookup table, and optionally checks the integrity.
 426  */
 427 static int begin_read(WIMStruct *w, const char *in_wim_path, int open_flags,
 428                       wimlib_progress_func_t progress_func)
 429 {
 430         int ret;
 431         uint xml_num_images;
 432
 433         DEBUG("Reading the WIM file `%s'", in_wim_path);
 434
 435         w->fp = fopen(in_wim_path, "rb");
 436         if (!w->fp) {
 437                 ERROR_WITH_ERRNO("Failed to open `%s' for reading",
 438                                  in_wim_path);
 439                 return WIMLIB_ERR_OPEN;
 440         }
 441
 442         /* The absolute path to the WIM is requested so that wimlib_overwrite()
 443          * still works even if the process changes its working directory.  This
 444          * actually happens if a WIM is mounted read-write, since the FUSE
 445          * thread changes directory to "/", and it needs to be able to find the
 446          * WIM file again.
 447          *
 448          * This will break if the full path to the WIM changes in the
 449          * intervening time...
 450          */
 451         w->filename = realpath(in_wim_path, NULL);
 452         if (!w->filename) {
 453                 ERROR_WITH_ERRNO("Failed to resolve WIM filename");
 454                 ret = WIMLIB_ERR_NOMEM;
 455                 goto out_close;
 456         }
 457
 458         ret = read_header(w->fp, &w->hdr, open_flags);
 459         if (ret != 0)
 460                 goto out_close;
 461
 462         DEBUG("Wim file contains %u images", w->hdr.image_count);
 463
 464         /* If the boot index is invalid, print a warning and set it to 0 */
 465         if (w->hdr.boot_idx > w->hdr.image_count) {
 466                 WARNING("In `%s', image %u is marked as bootable, "
 467                         "but there are only %u images in the WIM",
 468                         in_wim_path, w->hdr.boot_idx, w->hdr.image_count);
 469                 w->hdr.boot_idx = 0;
 470         }
 471
 472         if (wimlib_get_compression_type(w) == WIMLIB_COMPRESSION_TYPE_INVALID) {
 473                 ERROR("Invalid compression type (WIM header flags = %x)",
 474                       w->hdr.flags);
 475                 ret = WIMLIB_ERR_INVALID_COMPRESSION_TYPE;
 476                 goto out_close;
 477         }
 478
 479         if (open_flags & WIMLIB_OPEN_FLAG_CHECK_INTEGRITY) {
 480                 ret = check_wim_integrity(w, progress_func);
 481                 if (ret == WIM_INTEGRITY_NONEXISTENT) {
 482                         WARNING("No integrity information for `%s'; skipping "
 483                                 "integrity check.", w->filename);
 484                 } else if (ret == WIM_INTEGRITY_NOT_OK) {
 485                         ERROR("WIM is not intact! (Failed integrity check)");
 486                         ret = WIMLIB_ERR_INTEGRITY;
 487                         goto out_close;
 488                 } else if (ret != 0) {
 489                         goto out_close;
 490                 }
 491         }
 492
 493         if (resource_is_compressed(&w->hdr.lookup_table_res_entry)) {
 494                 ERROR("Didn't expect a compressed lookup table!");
 495                 ERROR("Ask the author to implement support for this.");
 496                 ret = WIMLIB_ERR_COMPRESSED_LOOKUP_TABLE;
 497                 goto out_close;
 498         }
 499
 500         ret = read_lookup_table(w);
 501         if (ret != 0)
 502                 goto out_close;
 503
 504         w->image_metadata = CALLOC(w->hdr.image_count,
 505                                    sizeof(struct image_metadata));
 506
 507         if (!w->image_metadata) {
 508                 ERROR("Failed to allocate memory for %u metadata structures",
 509                       w->hdr.image_count);
 510                 ret = WIMLIB_ERR_NOMEM;
 511                 goto out_free_lookup_table;
 512         }
 513         w->current_image = 0;
 514
 515         DEBUG("Looking for metadata resources in the lookup table.");
 516
 517         /* Find the images in the WIM by searching the lookup table. */
 518         ret = for_lookup_table_entry(w->lookup_table,
 519                                      append_metadata_resource_entry, w);
 520
 521         if (ret != 0)
 522                 goto out_free_image_metadata;
 523
 524         /* Make sure all the expected images were found.  (We already have
 525          * returned false if *extra* images were found) */
 526         if (w->current_image != w->hdr.image_count &&
 527             w->hdr.part_number == 1)
 528         {
 529                 ERROR("Only found %u images in WIM, but expected %u",
 530                       w->current_image, w->hdr.image_count);
 531                 ret = WIMLIB_ERR_IMAGE_COUNT;
 532                 goto out_free_image_metadata;
 533         }
 534
 535         /* Sort images by the position of their metadata resources.  I'm
 536          * assuming that is what determines the other of the images in the WIM
 537          * file, rather than their order in the lookup table, which is random
 538          * because of hashing. */
 539         qsort(w->image_metadata, w->current_image,
 540               sizeof(struct image_metadata), sort_image_metadata_by_position);
 541
 542         w->current_image = WIMLIB_NO_IMAGE;
 543
 544         /* Read the XML data. */
 545         ret = read_xml_data(w->fp, &w->hdr.xml_res_entry,
 546                             &w->xml_data, &w->wim_info);
 547
 548         if (ret != 0)
 549                 goto out_free_image_metadata;
 550
 551         xml_num_images = wim_info_get_num_images(w->wim_info);
 552         if (xml_num_images != w->hdr.image_count) {
 553                 ERROR("In the file `%s', there are %u <IMAGE> elements "
 554                       "in the XML data,", in_wim_path, xml_num_images);
 555                 ERROR("but %u images in the WIM!  There must be exactly one "
 556                       "<IMAGE> element per image.", w->hdr.image_count);
 557                 ret = WIMLIB_ERR_IMAGE_COUNT;
 558                 goto out_free_xml_data;
 559         }
 560
 561         DEBUG("Done beginning read of WIM file `%s'.", in_wim_path);
 562         return 0;
 563
 564         //
 565         // Everything is freed in wimlib_free() anyway, so no need to roll back
 566         // changes here.
 567         //
 568 out_free_xml_data:
 569         /*FREE(w->xml_data);*/
 570         /*w->xml_data = NULL;*/
 571         /*free_wim_info(w->wim_info);*/
 572         /*w->wim_info = NULL;*/
 573 out_free_image_metadata:
 574         /*FREE(w->image_metadata);*/
 575         /*w->image_metadata = NULL;*/
 576         /*w->current_image = WIMLIB_NO_IMAGE;*/
 577 out_free_lookup_table:
 578         /*free_lookup_table(w->lookup_table);*/
 579         /*w->lookup_table = NULL;*/
 580 out_close:
 581         /*fclose(w->fp);*/
 582         /*w->fp = NULL;*/
 583 out:
 584         return ret;
 585 }
 586
 587
 588 /*
 589  * Opens a WIM file and creates a WIMStruct for it.
 590  */
 591 WIMLIBAPI int wimlib_open_wim(const char *wim_file, int open_flags,
 592                               WIMStruct **w_ret,
 593                               wimlib_progress_func_t progress_func)
 594 {
 595         WIMStruct *w;
 596         int ret;
 597
 598         if (!wim_file || !w_ret)
 599                 return WIMLIB_ERR_INVALID_PARAM;
 600         w = new_wim_struct();
 601         if (!w) {
 602                 ERROR("Failed to allocate memory for WIMStruct");
 603                 return WIMLIB_ERR_NOMEM;
 604         }
 605
 606         ret = begin_read(w, wim_file, open_flags, progress_func);
 607         if (ret == 0) {
 608                 *w_ret = w;
 609         } else {
 610                 DEBUG("Could not begin reading the WIM file `%s'", wim_file);
 611                 wimlib_free(w);
 612         }
 613         return ret;
 614 }
 615
 616 /* Frees the memory for the WIMStruct, including all internal memory; also
 617  * closes all files associated with the WIMStruct.  */
 618 WIMLIBAPI void wimlib_free(WIMStruct *w)
 619 {
 620         DEBUG2("Freeing WIMStruct");
 621
 622         if (!w)
 623                 return;
 624         if (w->fp)
 625                 fclose(w->fp);
 626         if (w->out_fp)
 627                 fclose(w->out_fp);
 628
 629 #ifdef WITH_FUSE
 630         if (w->fp_tab) {
 631                 for (size_t i = 0; i < w->num_allocated_fps; i++)
 632                         if (w->fp_tab[i])
 633                                 fclose(w->fp_tab[i]);
 634                 FREE(w->fp_tab);
 635         }
 636         pthread_mutex_destroy(&w->fp_tab_mutex);
 637 #endif
 638
 639         free_lookup_table(w->lookup_table);
 640
 641         FREE(w->filename);
 642         FREE(w->xml_data);
 643         free_wim_info(w->wim_info);
 644         if (w->image_metadata) {
 645                 for (uint i = 0; i < w->hdr.image_count; i++)
 646                         destroy_image_metadata(&w->image_metadata[i], NULL);
 647                 FREE(w->image_metadata);
 648         }
 649 #ifdef WITH_NTFS_3G
 650         if (w->ntfs_vol) {
 651                 DEBUG("Unmounting NTFS volume");
 652                 ntfs_umount(w->ntfs_vol, FALSE);
 653         }
 654 #endif
 655         FREE(w);
 656 }