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   1 /*
   2  * ntfs-apply.c
   3  *
   4  * Apply a WIM image to a NTFS volume.  We restore everything we can, including
   5  * security data and alternate data streams.
   6  */
   7
   8 /*
   9  * Copyright (C) 2012 Eric Biggers
  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
  28 #include "config.h"
  29
  30
  31 #include <ntfs-3g/endians.h>
  32 #include <ntfs-3g/types.h>
  33
  34 #include "wimlib_internal.h"
  35 #include "dentry.h"
  36 #include "lookup_table.h"
  37 #include "buffer_io.h"
  38 #include <ntfs-3g/layout.h>
  39 #include <ntfs-3g/acls.h>
  40 #include <ntfs-3g/attrib.h>
  41 #include <ntfs-3g/security.h> /* security.h before xattrs.h */
  42 #include <ntfs-3g/xattrs.h>
  43 #include <ntfs-3g/reparse.h>
  44 #include <stdlib.h>
  45 #include <unistd.h>
  46
  47 static int extract_wim_chunk_to_ntfs_attr(const u8 *buf, size_t len,
  48                                           u64 offset, void *arg)
  49 {
  50         ntfs_attr *na = arg;
  51         if (ntfs_attr_pwrite(na, offset, len, buf) == len) {
  52                 return 0;
  53         } else {
  54                 ERROR_WITH_ERRNO("Error extracting WIM resource to NTFS attribute");
  55                 return WIMLIB_ERR_WRITE;
  56         }
  57 }
  58
  59 /*
  60  * Extracts a WIM resource to a NTFS attribute.
  61  */
  62 static int
  63 extract_wim_resource_to_ntfs_attr(const struct lookup_table_entry *lte,
  64                                   ntfs_attr *na)
  65 {
  66         return extract_wim_resource(lte, wim_resource_size(lte),
  67                                     extract_wim_chunk_to_ntfs_attr, na);
  68 }
  69
  70 /* Writes the data streams to a NTFS file
  71  *
  72  * @ni:      The NTFS inode for the file.
  73  * @inode:   The WIM dentry that has an inode containing the streams.
  74  *
  75  * Returns 0 on success, nonzero on failure.
  76  */
  77 static int write_ntfs_data_streams(ntfs_inode *ni, const struct dentry *dentry,
  78                                    struct apply_args *args)
  79 {
  80         int ret = 0;
  81         unsigned stream_idx = 0;
  82         ntfschar *stream_name = AT_UNNAMED;
  83         u32 stream_name_len = 0;
  84         const struct inode *inode = dentry->d_inode;
  85
  86         DEBUG("Writing %u NTFS data stream%s for `%s'",
  87               inode->num_ads + 1,
  88               (inode->num_ads == 0 ? "" : "s"),
  89               dentry->full_path_utf8);
  90
  91         while (1) {
  92                 struct lookup_table_entry *lte;
  93                 ntfs_attr *na;
  94
  95                 lte = inode_stream_lte_resolved(inode, stream_idx);
  96
  97                 if (stream_name_len) {
  98                         /* Create an empty named stream. */
  99                         ret = ntfs_attr_add(ni, AT_DATA, stream_name,
 100                                             stream_name_len, NULL, 0);
 101                         if (ret != 0) {
 102                                 ERROR_WITH_ERRNO("Failed to create name data "
 103                                                  "stream for extracted file "
 104                                                  "`%s'",
 105                                                  dentry->full_path_utf8);
 106                                 ret = WIMLIB_ERR_NTFS_3G;
 107                                 break;
 108
 109                         }
 110                 }
 111                 /* If there's no lookup table entry, it's an empty stream.
 112                  * Otherwise, we must open the attribute and extract the data.
 113                  * */
 114                 if (lte) {
 115                         na = ntfs_attr_open(ni, AT_DATA, stream_name, stream_name_len);
 116                         if (!na) {
 117                                 ERROR_WITH_ERRNO("Failed to open a data stream of "
 118                                                  "extracted file `%s'",
 119                                                  dentry->full_path_utf8);
 120                                 ret = WIMLIB_ERR_NTFS_3G;
 121                                 break;
 122                         }
 123                         ret = extract_wim_resource_to_ntfs_attr(lte, na);
 124                         if (ret != 0)
 125                                 break;
 126                         args->progress.extract.completed_bytes += wim_resource_size(lte);
 127                         ntfs_attr_close(na);
 128                 }
 129                 if (stream_idx == inode->num_ads)
 130                         break;
 131                 stream_name = (ntfschar*)inode->ads_entries[stream_idx].stream_name;
 132                 stream_name_len = inode->ads_entries[stream_idx].stream_name_len / 2;
 133                 stream_idx++;
 134         }
 135         return ret;
 136 }
 137
 138 /*
 139  * Makes a NTFS hard link
 140  *
 141  * It is named @from_dentry->file_name and is located under the directory
 142  * specified by @dir_ni, and it is made to point to the previously extracted
 143  * file located at @inode->extracted_file.
 144  *
 145  * Return 0 on success, nonzero on failure.
 146  */
 147 static int apply_hardlink_ntfs(const struct dentry *from_dentry,
 148                                const struct inode *inode,
 149                                ntfs_inode *dir_ni,
 150                                ntfs_inode **to_ni_ret)
 151 {
 152         int ret;
 153         char *p;
 154         char orig;
 155         const char *dir_name;
 156
 157         ntfs_inode *to_ni;
 158         ntfs_volume *vol;
 159
 160         wimlib_assert(dentry_is_regular_file(from_dentry)
 161                         && inode_is_regular_file(inode));
 162
 163         if (ntfs_inode_close(dir_ni) != 0) {
 164                 ERROR_WITH_ERRNO("Error closing directory");
 165                 return WIMLIB_ERR_NTFS_3G;
 166         }
 167
 168         vol = dir_ni->vol;
 169
 170         DEBUG("Extracting NTFS hard link `%s' => `%s'",
 171               from_dentry->full_path_utf8, inode->extracted_file);
 172
 173         to_ni = ntfs_pathname_to_inode(vol, NULL, inode->extracted_file);
 174         if (!to_ni) {
 175                 ERROR_WITH_ERRNO("Could not find NTFS inode for `%s'",
 176                                  inode->extracted_file);
 177                 return WIMLIB_ERR_NTFS_3G;
 178         }
 179         p = from_dentry->full_path_utf8 + from_dentry->full_path_utf8_len;
 180         do {
 181                 p--;
 182         } while (*p != '/');
 183
 184         orig = *p;
 185         *p = '\0';
 186         dir_name = from_dentry->full_path_utf8;
 187
 188         dir_ni = ntfs_pathname_to_inode(vol, NULL, dir_name);
 189         if (!dir_ni) {
 190                 ERROR_WITH_ERRNO("Could not find NTFS inode for `%s'",
 191                                  from_dentry->full_path_utf8);
 192                 *p = orig;
 193                 return WIMLIB_ERR_NTFS_3G;
 194         }
 195         *p = orig;
 196
 197         ret = ntfs_link(to_ni, dir_ni,
 198                         (ntfschar*)from_dentry->file_name,
 199                         from_dentry->file_name_len / 2);
 200         if (ret != 0) {
 201                 ERROR_WITH_ERRNO("Could not create hard link `%s' => `%s'",
 202                                  from_dentry->full_path_utf8,
 203                                  inode->extracted_file);
 204                 ret = WIMLIB_ERR_NTFS_3G;
 205         }
 206         *to_ni_ret = to_ni;
 207         return ret;
 208 }
 209
 210 static int
 211 apply_file_attributes_and_security_data(ntfs_inode *ni,
 212                                         ntfs_inode *dir_ni,
 213                                         const struct dentry *dentry,
 214                                         const WIMStruct *w)
 215 {
 216         DEBUG("Setting NTFS file attributes on `%s' to %#"PRIx32,
 217               dentry->full_path_utf8, dentry->d_inode->attributes);
 218         int ret;
 219         struct SECURITY_CONTEXT ctx;
 220         u32 attributes_le32;
 221         attributes_le32 = cpu_to_le32(dentry->d_inode->attributes);
 222         memset(&ctx, 0, sizeof(ctx));
 223         ctx.vol = ni->vol;
 224         ret = ntfs_xattr_system_setxattr(&ctx, XATTR_NTFS_ATTRIB,
 225                                          ni, dir_ni,
 226                                          (const char*)&attributes_le32,
 227                                          sizeof(u32), 0);
 228         if (ret != 0) {
 229                 ERROR("Failed to set NTFS file attributes on `%s'",
 230                        dentry->full_path_utf8);
 231                 return WIMLIB_ERR_NTFS_3G;
 232         }
 233         if (dentry->d_inode->security_id != -1) {
 234                 const struct wim_security_data *sd;
 235                 const char *descriptor;
 236
 237                 sd = wim_const_security_data(w);
 238                 wimlib_assert(dentry->d_inode->security_id < sd->num_entries);
 239                 descriptor = (const char *)sd->descriptors[dentry->d_inode->security_id];
 240                 DEBUG("Applying security descriptor %d to `%s'",
 241                       dentry->d_inode->security_id, dentry->full_path_utf8);
 242
 243                 ret = ntfs_xattr_system_setxattr(&ctx, XATTR_NTFS_ACL,
 244                                                  ni, dir_ni, descriptor,
 245                                                  sd->sizes[dentry->d_inode->security_id], 0);
 246
 247                 if (ret != 0) {
 248                         ERROR_WITH_ERRNO("Failed to set security data on `%s'",
 249                                         dentry->full_path_utf8);
 250                         return WIMLIB_ERR_NTFS_3G;
 251                 }
 252         }
 253         return 0;
 254 }
 255
 256 static int apply_reparse_data(ntfs_inode *ni, const struct dentry *dentry,
 257                               struct apply_args *args)
 258 {
 259         struct lookup_table_entry *lte;
 260         int ret = 0;
 261
 262         lte = inode_unnamed_lte_resolved(dentry->d_inode);
 263
 264         DEBUG("Applying reparse data to `%s'", dentry->full_path_utf8);
 265
 266         if (!lte) {
 267                 ERROR("Could not find reparse data for `%s'",
 268                       dentry->full_path_utf8);
 269                 return WIMLIB_ERR_INVALID_DENTRY;
 270         }
 271
 272         if (wim_resource_size(lte) >= 0xffff) {
 273                 ERROR("Reparse data of `%s' is too long (%"PRIu64" bytes)",
 274                       dentry->full_path_utf8, wim_resource_size(lte));
 275                 return WIMLIB_ERR_INVALID_DENTRY;
 276         }
 277
 278         u8 reparse_data_buf[8 + wim_resource_size(lte)];
 279         u8 *p = reparse_data_buf;
 280         p = put_u32(p, dentry->d_inode->reparse_tag); /* ReparseTag */
 281         p = put_u16(p, wim_resource_size(lte)); /* ReparseDataLength */
 282         p = put_u16(p, 0); /* Reserved */
 283
 284         ret = read_full_wim_resource(lte, p, 0);
 285         if (ret != 0)
 286                 return ret;
 287
 288         ret = ntfs_set_ntfs_reparse_data(ni, (char*)reparse_data_buf,
 289                                          wim_resource_size(lte) + 8, 0);
 290         if (ret != 0) {
 291                 ERROR_WITH_ERRNO("Failed to set NTFS reparse data on `%s'",
 292                                  dentry->full_path_utf8);
 293                 return WIMLIB_ERR_NTFS_3G;
 294         }
 295         args->progress.extract.completed_bytes += wim_resource_size(lte);
 296         return 0;
 297 }
 298
 299 static int do_apply_dentry_ntfs(struct dentry *dentry, ntfs_inode *dir_ni,
 300                                 struct apply_args *args);
 301
 302 /*
 303  * If @dentry is part of a hard link group, search for hard-linked dentries in
 304  * the same directory that have a nonempty DOS (short) filename.  There should
 305  * be exactly 0 or 1 such dentries.  If there is 1, extract that dentry first,
 306  * so that the DOS name is correctly associated with the corresponding long name
 307  * in the Win32 namespace, and not any of the additional names in the POSIX
 308  * namespace created from hard links.
 309  */
 310 static int preapply_dentry_with_dos_name(struct dentry *dentry,
 311                                          ntfs_inode **dir_ni_p,
 312                                          struct apply_args *args)
 313 {
 314         struct dentry *other;
 315         struct dentry *dentry_with_dos_name;
 316
 317         dentry_with_dos_name = NULL;
 318         inode_for_each_dentry(other, dentry->d_inode) {
 319                 if (other != dentry && (dentry->parent == other->parent)
 320                     && other->short_name_len)
 321                 {
 322                         if (dentry_with_dos_name) {
 323                                 ERROR("Found multiple DOS names for file `%s' "
 324                                       "in the same directory",
 325                                       dentry_with_dos_name->full_path_utf8);
 326                                 return WIMLIB_ERR_INVALID_DENTRY;
 327                         }
 328                         dentry_with_dos_name = other;
 329                 }
 330         }
 331         /* If there's a dentry with a DOS name, extract it first */
 332         if (dentry_with_dos_name && !dentry_with_dos_name->is_extracted) {
 333                 char *p;
 334                 const char *dir_name;
 335                 char orig;
 336                 int ret;
 337                 ntfs_volume *vol = (*dir_ni_p)->vol;
 338
 339                 DEBUG("pre-applying DOS name `%s'",
 340                       dentry_with_dos_name->full_path_utf8);
 341                 ret = do_apply_dentry_ntfs(dentry_with_dos_name,
 342                                            *dir_ni_p, args);
 343                 if (ret != 0)
 344                         return ret;
 345                 p = dentry->full_path_utf8 + dentry->full_path_utf8_len;
 346                 do {
 347                         p--;
 348                 } while (*p != '/');
 349
 350                 orig = *p;
 351                 *p = '\0';
 352                 dir_name = dentry->full_path_utf8;
 353
 354                 *dir_ni_p = ntfs_pathname_to_inode(vol, NULL, dir_name);
 355                 *p = orig;
 356                 if (!*dir_ni_p) {
 357                         ERROR_WITH_ERRNO("Could not find NTFS inode for `%s'",
 358                                          dir_name);
 359                         return WIMLIB_ERR_NTFS_3G;
 360                 }
 361         }
 362         return 0;
 363 }
 364
 365 /*
 366  * Applies a WIM dentry to a NTFS filesystem.
 367  *
 368  * @dentry:  The WIM dentry to apply
 369  * @dir_ni:  The NTFS inode for the parent directory
 370  *
 371  * @return:  0 on success; nonzero on failure.
 372  */
 373 static int do_apply_dentry_ntfs(struct dentry *dentry, ntfs_inode *dir_ni,
 374                                 struct apply_args *args)
 375 {
 376         int ret = 0;
 377         mode_t type;
 378         ntfs_inode *ni = NULL;
 379         bool is_hardlink = false;
 380         ntfs_volume *vol = dir_ni->vol;
 381         struct inode *inode = dentry->d_inode;
 382         dentry->is_extracted = true;
 383
 384         if (inode->attributes & FILE_ATTRIBUTE_DIRECTORY) {
 385                 type = S_IFDIR;
 386         } else {
 387                 /* Apply hard-linked directory in same directory with DOS name
 388                  * (if there is one) before this dentry */
 389                 if (dentry->short_name_len == 0) {
 390                         ret = preapply_dentry_with_dos_name(dentry,
 391                                                             &dir_ni, args);
 392                         if (ret != 0)
 393                                 return ret;
 394                 }
 395
 396                 type = S_IFREG;
 397
 398                 if (inode->link_count > 1) {
 399                         /* Already extracted another dentry in the hard link
 400                          * group.  We can make a hard link instead of extracting
 401                          * the file data. */
 402                         if (inode->extracted_file) {
 403                                 ret = apply_hardlink_ntfs(dentry, inode,
 404                                                           dir_ni, &ni);
 405                                 is_hardlink = true;
 406                                 if (ret)
 407                                         goto out_close_dir_ni;
 408                                 else
 409                                         goto out_set_dos_name;
 410                         }
 411                         /* Can't make a hard link; extract the file itself */
 412                         FREE(inode->extracted_file);
 413                         inode->extracted_file = STRDUP(dentry->full_path_utf8);
 414                         if (!inode->extracted_file) {
 415                                 ret = WIMLIB_ERR_NOMEM;
 416                                 goto out_close_dir_ni;
 417                         }
 418                 }
 419         }
 420
 421         /*
 422          * Create a directory or file.
 423          *
 424          * Note: For symbolic links that are not directory junctions, pass
 425          * S_IFREG here, since we manually set the reparse data later.
 426          */
 427         ni = ntfs_create(dir_ni, 0, (ntfschar*)dentry->file_name,
 428                          dentry->file_name_len / 2, type);
 429
 430         if (!ni) {
 431                 ERROR_WITH_ERRNO("Could not create NTFS object for `%s'",
 432                                  dentry->full_path_utf8);
 433                 ret = WIMLIB_ERR_NTFS_3G;
 434                 goto out_close_dir_ni;
 435         }
 436
 437         /* Write the data streams, unless this is a directory or reparse point
 438          * */
 439         if (!(inode->attributes & (FILE_ATTRIBUTE_REPARSE_POINT |
 440                                    FILE_ATTRIBUTE_DIRECTORY))) {
 441                 ret = write_ntfs_data_streams(ni, dentry, args);
 442                 if (ret != 0)
 443                         goto out_close_dir_ni;
 444         }
 445
 446
 447         ret = apply_file_attributes_and_security_data(ni, dir_ni,
 448                                                       dentry, args->w);
 449         if (ret != 0)
 450                 goto out_close_dir_ni;
 451
 452         if (inode->attributes & FILE_ATTR_REPARSE_POINT) {
 453                 ret = apply_reparse_data(ni, dentry, args);
 454                 if (ret != 0)
 455                         goto out_close_dir_ni;
 456         }
 457
 458 out_set_dos_name:
 459         /* Set DOS (short) name if given */
 460         if (dentry->short_name_len != 0) {
 461
 462                 char *short_name_utf8;
 463                 size_t short_name_utf8_len;
 464                 ret = utf16_to_utf8(dentry->short_name,
 465                                     dentry->short_name_len,
 466                                     &short_name_utf8,
 467                                     &short_name_utf8_len);
 468                 if (ret != 0)
 469                         goto out_close_dir_ni;
 470
 471                 if (is_hardlink) {
 472                         char *p;
 473                         char orig;
 474                         const char *dir_name;
 475
 476                         /* ntfs_set_ntfs_dos_name() closes the inodes in the
 477                          * wrong order if we have applied a hard link.   Close
 478                          * them ourselves, then re-open then. */
 479                         if (ntfs_inode_close(dir_ni) != 0) {
 480                                 if (ret == 0)
 481                                         ret = WIMLIB_ERR_NTFS_3G;
 482                                 ERROR_WITH_ERRNO("Failed to close directory inode");
 483                         }
 484                         if (ntfs_inode_close(ni) != 0) {
 485                                 if (ret == 0)
 486                                         ret = WIMLIB_ERR_NTFS_3G;
 487                                 ERROR_WITH_ERRNO("Failed to close hard link target inode");
 488                         }
 489                         p = dentry->full_path_utf8 + dentry->full_path_utf8_len;
 490                         do {
 491                                 p--;
 492                         } while (*p != '/');
 493
 494                         orig = *p;
 495                         *p = '\0';
 496                         dir_name = dentry->full_path_utf8;
 497
 498                         dir_ni = ntfs_pathname_to_inode(vol, NULL, dir_name);
 499                         *p = orig;
 500                         if (!dir_ni) {
 501                                 ERROR_WITH_ERRNO("Could not find NTFS inode for `%s'",
 502                                                  dir_name);
 503                                 return WIMLIB_ERR_NTFS_3G;
 504                         }
 505                         ni = ntfs_pathname_to_inode(vol, dir_ni,
 506                                                     dentry->file_name_utf8);
 507                         if (!ni) {
 508                                 ERROR_WITH_ERRNO("Could not find NTFS inode for `%s'",
 509                                                  dir_name);
 510                                 return WIMLIB_ERR_NTFS_3G;
 511                         }
 512                 }
 513
 514                 DEBUG("Setting short (DOS) name of `%s' to %s",
 515                       dentry->full_path_utf8, short_name_utf8);
 516
 517                 ret = ntfs_set_ntfs_dos_name(ni, dir_ni, short_name_utf8,
 518                                              short_name_utf8_len, 0);
 519                 FREE(short_name_utf8);
 520                 if (ret != 0) {
 521                         ERROR_WITH_ERRNO("Could not set DOS (short) name for `%s'",
 522                                          dentry->full_path_utf8);
 523                         ret = WIMLIB_ERR_NTFS_3G;
 524                 }
 525                 /* inodes have been closed by ntfs_set_ntfs_dos_name(). */
 526                 return ret;
 527         }
 528
 529 out_close_dir_ni:
 530         if (ntfs_inode_close(dir_ni) != 0) {
 531                 if (ret == 0)
 532                         ret = WIMLIB_ERR_NTFS_3G;
 533                 ERROR_WITH_ERRNO("Failed to close directory inode");
 534         }
 535         if (ni && ntfs_inode_close(ni) != 0) {
 536                 if (ret == 0)
 537                         ret = WIMLIB_ERR_NTFS_3G;
 538                 ERROR_WITH_ERRNO("Failed to close inode");
 539         }
 540         return ret;
 541 }
 542
 543 static int apply_root_dentry_ntfs(const struct dentry *dentry,
 544                                   ntfs_volume *vol, const WIMStruct *w)
 545 {
 546         ntfs_inode *ni;
 547         int ret = 0;
 548
 549         wimlib_assert(dentry_is_directory(dentry));
 550         ni = ntfs_pathname_to_inode(vol, NULL, "/");
 551         if (!ni) {
 552                 ERROR_WITH_ERRNO("Could not find root NTFS inode");
 553                 return WIMLIB_ERR_NTFS_3G;
 554         }
 555         ret = apply_file_attributes_and_security_data(ni, ni, dentry, w);
 556         if (ntfs_inode_close(ni) != 0) {
 557                 ERROR_WITH_ERRNO("Failed to close NTFS inode for root "
 558                                  "directory");
 559                 ret = WIMLIB_ERR_NTFS_3G;
 560         }
 561         return ret;
 562 }
 563
 564 /* Applies a WIM dentry to the NTFS volume */
 565 int apply_dentry_ntfs(struct dentry *dentry, void *arg)
 566 {
 567         struct apply_args *args = arg;
 568         ntfs_volume *vol             = args->vol;
 569         int extract_flags            = args->extract_flags;
 570         WIMStruct *w                 = args->w;
 571         ntfs_inode *dir_ni;
 572         char *p;
 573         char orig;
 574         const char *dir_name;
 575
 576         if (dentry->is_extracted)
 577                 return 0;
 578
 579         if (extract_flags & WIMLIB_EXTRACT_FLAG_NO_STREAMS)
 580                 if (inode_unnamed_lte_resolved(dentry->d_inode))
 581                         return 0;
 582
 583         DEBUG("Applying dentry `%s' to NTFS", dentry->full_path_utf8);
 584
 585         if ((extract_flags & WIMLIB_EXTRACT_FLAG_VERBOSE) &&
 586              args->progress_func)
 587         {
 588                 args->progress.extract.cur_path = dentry->full_path_utf8;
 589                 args->progress_func(WIMLIB_PROGRESS_MSG_EXTRACT_DENTRY,
 590                                     &args->progress);
 591         }
 592
 593         if (dentry_is_root(dentry))
 594                 return apply_root_dentry_ntfs(dentry, vol, w);
 595
 596         p = dentry->full_path_utf8 + dentry->full_path_utf8_len;
 597         do {
 598                 p--;
 599         } while (*p != '/');
 600
 601         orig = *p;
 602         *p = '\0';
 603         dir_name = dentry->full_path_utf8;
 604
 605         dir_ni = ntfs_pathname_to_inode(vol, NULL, dir_name);
 606         *p = orig;
 607         if (!dir_ni) {
 608                 ERROR_WITH_ERRNO("Could not find NTFS inode for `%s'",
 609                                  dir_name);
 610                 return WIMLIB_ERR_NTFS_3G;
 611         }
 612         return do_apply_dentry_ntfs(dentry, dir_ni, arg);
 613 }
 614
 615 int apply_dentry_timestamps_ntfs(struct dentry *dentry, void *arg)
 616 {
 617         struct apply_args *args = arg;
 618         ntfs_volume *vol = args->vol;
 619         u8 *p;
 620         u8 buf[24];
 621         ntfs_inode *ni;
 622         int ret = 0;
 623
 624         DEBUG("Setting timestamps on `%s'", dentry->full_path_utf8);
 625
 626         ni = ntfs_pathname_to_inode(vol, NULL, dentry->full_path_utf8);
 627         if (!ni) {
 628                 ERROR_WITH_ERRNO("Could not find NTFS inode for `%s'",
 629                                  dentry->full_path_utf8);
 630                 return WIMLIB_ERR_NTFS_3G;
 631         }
 632
 633         p = buf;
 634         p = put_u64(p, dentry->d_inode->creation_time);
 635         p = put_u64(p, dentry->d_inode->last_write_time);
 636         p = put_u64(p, dentry->d_inode->last_access_time);
 637         ret = ntfs_inode_set_times(ni, (const char*)buf, 3 * sizeof(u64), 0);
 638         if (ret != 0) {
 639                 ERROR_WITH_ERRNO("Failed to set NTFS timestamps on `%s'",
 640                                  dentry->full_path_utf8);
 641                 ret = WIMLIB_ERR_NTFS_3G;
 642         }
 643
 644         if (ntfs_inode_close(ni) != 0) {
 645                 if (ret == 0)
 646                         ret = WIMLIB_ERR_NTFS_3G;
 647                 ERROR_WITH_ERRNO("Failed to close NTFS inode for `%s'",
 648                                  dentry->full_path_utf8);
 649         }
 650         return ret;
 651 }