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   1 /*
   2  * wimboot.c
   3  *
   4  * Support for creating WIMBoot pointer files.
   5  *
   6  * See http://technet.microsoft.com/en-us/library/dn594399.aspx for general
   7  * information about WIMBoot.
   8  *
   9  * Note that WIMBoot pointer files are actually implemented on top of the
  10  * Windows Overlay File System Filter (WOF).  See wof.h for more info.
  11  */
  12
  13 /*
  14  * Copyright (C) 2014 Eric Biggers
  15  *
  16  * This file is free software; you can redistribute it and/or modify it under
  17  * the terms of the GNU Lesser General Public License as published by the Free
  18  * Software Foundation; either version 3 of the License, or (at your option) any
  19  * later version.
  20  *
  21  * This file is distributed in the hope that it will be useful, but WITHOUT
  22  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
  23  * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
  24  * details.
  25  *
  26  * You should have received a copy of the GNU Lesser General Public License
  27  * along with this file; if not, see http://www.gnu.org/licenses/.
  28  */
  29
  30 #ifdef __WIN32__
  31
  32 #ifdef HAVE_CONFIG_H
  33 #  include "config.h"
  34 #endif
  35
  36 #include "wimlib/win32_common.h"
  37 #include "wimlib/win32.h"
  38 #include "wimlib/assert.h"
  39 #include "wimlib/error.h"
  40 #include "wimlib/lookup_table.h"
  41 #include "wimlib/util.h"
  42 #include "wimlib/wimboot.h"
  43 #include "wimlib/wof.h"
  44
  45 static HANDLE
  46 open_file(const wchar_t *device_name, DWORD desiredAccess)
  47 {
  48         return CreateFile(device_name, desiredAccess,
  49                           FILE_SHARE_VALID_FLAGS, NULL, OPEN_EXISTING,
  50                           FILE_FLAG_BACKUP_SEMANTICS, NULL);
  51 }
  52
  53 static BOOL
  54 query_device(HANDLE h, DWORD code, void *out, DWORD out_size)
  55 {
  56         DWORD bytes_returned;
  57         return DeviceIoControl(h, code, NULL, 0, out, out_size,
  58                                &bytes_returned, NULL);
  59 }
  60
  61 /*
  62  * Gets partition and drive information for the specified path.
  63  *
  64  * @path
  65  *      Absolute path which must begin with a drive letter.  For example, if the
  66  *      path is D:\install.wim, this function will query information about the
  67  *      D: volume.
  68  * @part_info_ret
  69  *      Partition info is returned here.
  70  * @drive_info_ret
  71  *      Drive info is returned here.  The contained partition info will not be
  72  *      valid.
  73  *
  74  * Returns 0 on success, or a positive error code on failure.
  75  */
  76 static int
  77 query_partition_and_disk_info(const wchar_t *path,
  78                               PARTITION_INFORMATION_EX *part_info_ret,
  79                               DRIVE_LAYOUT_INFORMATION_EX *drive_info_ret)
  80 {
  81         HANDLE h;
  82         wchar_t vol_name[] = L"\\\\.\\X:";
  83         wchar_t disk_name[] = L"\\\\?\\PhysicalDriveXXXXXXXXXX";
  84
  85         PARTITION_INFORMATION_EX part_info;
  86         size_t extents_size = sizeof(VOLUME_DISK_EXTENTS) + 4 * sizeof(DISK_EXTENT);
  87         VOLUME_DISK_EXTENTS *extents = alloca(extents_size);
  88         size_t drive_info_size = sizeof(DRIVE_LAYOUT_INFORMATION_EX) +
  89                                         8 * sizeof(PARTITION_INFORMATION_EX);
  90         DRIVE_LAYOUT_INFORMATION_EX *drive_info = alloca(drive_info_size);
  91
  92         wimlib_assert(path[0] != L'\0' && path[1] == L':');
  93
  94         *(wcschr(vol_name, L'X')) = path[0];
  95
  96         h = open_file(vol_name, GENERIC_READ);
  97         if (h == INVALID_HANDLE_VALUE) {
  98                 set_errno_from_GetLastError();
  99                 ERROR_WITH_ERRNO("\"%ls\": Can't open volume device", vol_name);
 100                 return WIMLIB_ERR_OPEN;
 101         }
 102
 103         if (!query_device(h, IOCTL_DISK_GET_PARTITION_INFO_EX,
 104                           &part_info, sizeof(part_info)))
 105         {
 106                 ERROR("\"%ls\": Can't get partition info (err=0x%08"PRIx32")",
 107                       vol_name, (u32)GetLastError());
 108                 CloseHandle(h);
 109                 return WIMLIB_ERR_READ;
 110         }
 111
 112         if (!query_device(h, IOCTL_VOLUME_GET_VOLUME_DISK_EXTENTS,
 113                           extents, extents_size))
 114         {
 115                 ERROR("\"%ls\": Can't get volume extent info (err=0x%08"PRIx32")",
 116                       vol_name, (u32)GetLastError());
 117                 CloseHandle(h);
 118                 return WIMLIB_ERR_READ;
 119         }
 120
 121         CloseHandle(h);
 122
 123         if (extents->NumberOfDiskExtents != 1) {
 124                 ERROR("\"%ls\": This volume has %"PRIu32" disk extents, "
 125                       "but this code is untested for more than 1",
 126                       vol_name, (u32)extents->NumberOfDiskExtents);
 127                 return WIMLIB_ERR_UNSUPPORTED;
 128         }
 129
 130         wsprintf(wcschr(disk_name, L'X'), L"%"PRIu32,
 131                  extents->Extents[0].DiskNumber);
 132
 133         h = open_file(disk_name, GENERIC_READ);
 134         if (h == INVALID_HANDLE_VALUE) {
 135                 set_errno_from_GetLastError();
 136                 ERROR_WITH_ERRNO("\"%ls\": Can't open disk device", disk_name);
 137                 return WIMLIB_ERR_OPEN;
 138         }
 139
 140         if (!query_device(h, IOCTL_DISK_GET_DRIVE_LAYOUT_EX,
 141                           drive_info, drive_info_size))
 142         {
 143                 ERROR("\"%ls\": Can't get disk info (err=0x%08"PRIx32")",
 144                       disk_name, (u32)GetLastError());
 145                 CloseHandle(h);
 146                 return WIMLIB_ERR_READ;
 147         }
 148
 149         CloseHandle(h);
 150
 151         if (drive_info->PartitionStyle != part_info.PartitionStyle) {
 152                 ERROR("\"%ls\", \"%ls\": Inconsistent partition table type!",
 153                       vol_name, disk_name);
 154                 return WIMLIB_ERR_UNSUPPORTED;
 155         }
 156
 157         if (part_info.PartitionStyle == PARTITION_STYLE_GPT) {
 158                 BUILD_BUG_ON(sizeof(part_info.Gpt.PartitionId) !=
 159                              sizeof(drive_info->Gpt.DiskId));
 160                 if (!memcmp(&part_info.Gpt.PartitionId,
 161                             &drive_info->Gpt.DiskId,
 162                             sizeof(drive_info->Gpt.DiskId)))
 163                 {
 164                         ERROR("\"%ls\", \"%ls\": Partition GUID is the "
 165                               "same as the disk GUID???", vol_name, disk_name);
 166                         return WIMLIB_ERR_UNSUPPORTED;
 167                 }
 168         }
 169
 170         if (part_info.PartitionStyle != PARTITION_STYLE_MBR &&
 171             part_info.PartitionStyle != PARTITION_STYLE_GPT)
 172         {
 173                 ERROR("\"%ls\": Unknown partition style 0x%08"PRIx32,
 174                       vol_name, (u32)part_info.PartitionStyle);
 175                 return WIMLIB_ERR_UNSUPPORTED;
 176         }
 177
 178         *part_info_ret = part_info;
 179         *drive_info_ret = *drive_info;
 180         return 0;
 181 }
 182
 183 /*
 184  * Allocate a new WIM data source ID.
 185  *
 186  * @old_hdr
 187  *      Previous WimOverlay.dat contents, or NULL if file did not exist.
 188  *
 189  * Returns the new data source ID.
 190  */
 191 static u64
 192 alloc_new_data_source_id(const struct WimOverlay_dat_header *old_hdr)
 193 {
 194         if (!old_hdr)
 195                 return 0;
 196
 197         for (u64 id = 0; ; id++) {
 198                 for (u32 i = 0; i < old_hdr->num_entries_1; i++)
 199                         if (id == old_hdr->entry_1s[i].data_source_id)
 200                                 goto next;
 201                 return id;
 202         next:
 203                 ;
 204         }
 205 }
 206
 207 /*
 208  * Calculate the size of WimOverlay.dat with one entry added.
 209  *
 210  * @old_hdr
 211  *      Previous WimOverlay.dat contents, or NULL if file did not exist.
 212  * @new_entry_2_size
 213  *      Size of entry_2 being added.
 214  * @size_ret
 215  *      Size will be returned here.
 216  *
 217  * Returns 0 on success, or WIMLIB_ERR_UNSUPPORTED if size overflows 32 bits.
 218  */
 219 static int
 220 calculate_wimoverlay_dat_size(const struct WimOverlay_dat_header *old_hdr,
 221                               u32 new_entry_2_size, u32 *size_ret)
 222 {
 223         u64 size_64;
 224         u32 size;
 225
 226         size_64 = sizeof(struct WimOverlay_dat_header);
 227         if (old_hdr) {
 228                 for (u32 i = 0; i < old_hdr->num_entries_1; i++) {
 229                         size_64 += sizeof(struct WimOverlay_dat_entry_1);
 230                         size_64 += old_hdr->entry_1s[i].entry_2_length;
 231                 }
 232         }
 233         size_64 += sizeof(struct WimOverlay_dat_entry_1);
 234         size_64 += new_entry_2_size;
 235
 236         size = size_64;
 237         if (size_64 != size)
 238                 return WIMLIB_ERR_UNSUPPORTED;
 239
 240         *size_ret = size;
 241         return 0;
 242 }
 243
 244 /*
 245  * Writes @size bytes of @contents to the named file @path.
 246  *
 247  * Returns 0 on success; WIMLIB_ERR_OPEN or WIMLIB_ERR_WRITE on failure.
 248  */
 249 static int
 250 write_wimoverlay_dat(const wchar_t *path, const void *contents, u32 size)
 251 {
 252         HANDLE h;
 253         DWORD bytes_written;
 254
 255         h = CreateFile(path, GENERIC_WRITE, 0, NULL,
 256                        CREATE_ALWAYS, FILE_FLAG_BACKUP_SEMANTICS, NULL);
 257         if (h == INVALID_HANDLE_VALUE) {
 258                 set_errno_from_GetLastError();
 259                 ERROR_WITH_ERRNO("\"%ls\": Can't open file for writing", path);
 260                 return WIMLIB_ERR_OPEN;
 261         }
 262
 263         if (!WriteFile(h, contents, size, &bytes_written, NULL) ||
 264             bytes_written != size)
 265         {
 266                 set_errno_from_GetLastError();
 267                 ERROR_WITH_ERRNO("\"%ls\": Can't write file", path);
 268                 CloseHandle(h);
 269                 return WIMLIB_ERR_WRITE;
 270         }
 271
 272         if (!CloseHandle(h)) {
 273                 set_errno_from_GetLastError();
 274                 ERROR_WITH_ERRNO("\"%ls\": Can't close handle", path);
 275                 return WIMLIB_ERR_WRITE;
 276         }
 277
 278         return 0;
 279 }
 280
 281 /*
 282  * Generates the contents of WimOverlay.dat in memory, with one entry added.
 283  *
 284  * @buf
 285  *      Buffer large enough to hold the new contents.
 286  * @old_hdr
 287  *      Old contents of WimOverlay.dat, or NULL if it did not exist.
 288  * @wim_path
 289  *      Absolute path to the WIM file.  It must begin with a drive letter; for
 290  *      example, D:\install.wim.
 291  * @wim_guid
 292  *      GUID of the WIM, from the WIM header.
 293  * @image
 294  *      Number of the image in the WIM to specify in the new entry.
 295  * @new_data_source_id
 296  *      Data source ID to use for the new entry.
 297  * @part_info
 298  *      Partition information for the WIM file.
 299  * @disk_info
 300  *      Disk information for the WIM file.
 301  * @new_entry_2_size
 302  *      Size, in bytes, of the new location information structure ('struct
 303  *      WimOverlay_dat_entry_2').
 304  *
 305  * Returns a pointer one past the last byte of @buf filled in.
 306  */
 307 static u8 *
 308 fill_in_wimoverlay_dat(u8 *buf,
 309                        const struct WimOverlay_dat_header *old_hdr,
 310                        const wchar_t *wim_path,
 311                        const u8 wim_guid[WIM_GUID_LEN],
 312                        int image,
 313                        u64 new_data_source_id,
 314                        const PARTITION_INFORMATION_EX *part_info,
 315                        const DRIVE_LAYOUT_INFORMATION_EX *disk_info,
 316                        u32 new_entry_2_size)
 317 {
 318         struct WimOverlay_dat_header *new_hdr;
 319         struct WimOverlay_dat_entry_1 *new_entry_1;
 320         struct WimOverlay_dat_entry_2 *new_entry_2;
 321         u32 entry_2_offset;
 322         u8 *p = buf;
 323
 324         new_hdr = (struct WimOverlay_dat_header *)p;
 325
 326         /* Fill in new header  */
 327         new_hdr->magic = WIMOVERLAY_DAT_MAGIC;
 328         new_hdr->wim_provider_version = WIM_PROVIDER_CURRENT_VERSION;
 329         new_hdr->unknown_0x08 = 0x00000028;
 330         new_hdr->num_entries_1 = (old_hdr ? old_hdr->num_entries_1 : 0) + 1;
 331         new_hdr->num_entries_2 = (old_hdr ? old_hdr->num_entries_2 : 0) + 1;
 332         new_hdr->unknown_0x14 = 0x00000000;
 333
 334         p += sizeof(struct WimOverlay_dat_header);
 335
 336         /* Copy WIM-specific information for old entries  */
 337         entry_2_offset = sizeof(struct WimOverlay_dat_header) +
 338                         (new_hdr->num_entries_1 * sizeof(struct WimOverlay_dat_entry_1));
 339         if (old_hdr) {
 340                 for (u32 i = 0; i < old_hdr->num_entries_1; i++) {
 341                         new_entry_1 = (struct WimOverlay_dat_entry_1 *)p;
 342
 343                         p = mempcpy(p, &old_hdr->entry_1s[i],
 344                                     sizeof(struct WimOverlay_dat_entry_1));
 345
 346                         new_entry_1->entry_2_offset = entry_2_offset;
 347                         entry_2_offset += new_entry_1->entry_2_length;
 348                 }
 349         }
 350
 351         /* Generate WIM-specific information for new entry  */
 352         new_entry_1 = (struct WimOverlay_dat_entry_1 *)p;
 353
 354         new_entry_1->data_source_id = new_data_source_id;
 355         new_entry_1->entry_2_offset = entry_2_offset;
 356         new_entry_1->entry_2_length = new_entry_2_size;
 357         new_entry_1->wim_type = WIM_BOOT_NOT_OS_WIM;
 358         new_entry_1->wim_index = image;
 359         BUILD_BUG_ON(sizeof(new_entry_1->guid) != WIM_GUID_LEN);
 360         memcpy(new_entry_1->guid, wim_guid, WIM_GUID_LEN);
 361
 362         p += sizeof(struct WimOverlay_dat_entry_1);
 363
 364         /* Copy WIM location information for old entries  */
 365         if (old_hdr) {
 366                 for (u32 i = 0; i < old_hdr->num_entries_1; i++) {
 367                         wimlib_assert(new_hdr->entry_1s[i].entry_2_offset == p - buf);
 368                         wimlib_assert(old_hdr->entry_1s[i].entry_2_length ==
 369                                       new_hdr->entry_1s[i].entry_2_length);
 370                         p = mempcpy(p,
 371                                     ((const u8 *)old_hdr + old_hdr->entry_1s[i].entry_2_offset),
 372                                     old_hdr->entry_1s[i].entry_2_length);
 373                 }
 374         }
 375
 376         /* Generate WIM location information for new entry  */
 377         new_entry_2 = (struct WimOverlay_dat_entry_2 *)p;
 378
 379         new_entry_2->unknown_0x00 = 0x00000000;
 380         new_entry_2->unknown_0x04 = 0x00000000;
 381         new_entry_2->entry_2_length = new_entry_2_size;
 382         new_entry_2->unknown_0x0C = 0x00000000;
 383         new_entry_2->unknown_0x10 = 0x00000005;
 384         new_entry_2->unknown_0x14 = 0x00000001;
 385         new_entry_2->inner_struct_size = new_entry_2_size - 0x14;
 386         new_entry_2->unknown_0x1C = 0x00000005;
 387         new_entry_2->unknown_0x20 = 0x00000006;
 388         new_entry_2->unknown_0x24 = 0x00000000;
 389         new_entry_2->unknown_0x28 = 0x00000048;
 390         new_entry_2->unknown_0x2C = 0x00000000;
 391         new_entry_2->unknown_0x40 = 0x00000000;
 392
 393         if (part_info->PartitionStyle == PARTITION_STYLE_MBR) {
 394                 new_entry_2->partition.mbr.part_start_offset = part_info->StartingOffset.QuadPart;
 395                 new_entry_2->partition.mbr.padding = 0;
 396                 new_entry_2->partition_table_type = WIMOVERLAY_PARTITION_TYPE_MBR;
 397                 new_entry_2->disk.mbr.disk_id = disk_info->Mbr.Signature;
 398                 new_entry_2->disk.mbr.padding[0] = 0x00000000;
 399                 new_entry_2->disk.mbr.padding[1] = 0x00000000;
 400                 new_entry_2->disk.mbr.padding[2] = 0x00000000;
 401         } else {
 402                 BUILD_BUG_ON(sizeof(new_entry_2->partition.gpt.part_unique_guid) !=
 403                              sizeof(part_info->Gpt.PartitionId));
 404                 memcpy(new_entry_2->partition.gpt.part_unique_guid,
 405                        &part_info->Gpt.PartitionId,
 406                        sizeof(part_info->Gpt.PartitionId));
 407                 new_entry_2->partition_table_type = WIMOVERLAY_PARTITION_TYPE_GPT;
 408
 409                 BUILD_BUG_ON(sizeof(new_entry_2->disk.gpt.disk_guid) !=
 410                              sizeof(disk_info->Gpt.DiskId));
 411                 memcpy(new_entry_2->disk.gpt.disk_guid,
 412                        &disk_info->Gpt.DiskId,
 413                        sizeof(disk_info->Gpt.DiskId));
 414
 415                 BUILD_BUG_ON(sizeof(new_entry_2->disk.gpt.disk_guid) !=
 416                              sizeof(new_entry_2->partition.gpt.part_unique_guid));
 417         }
 418         new_entry_2->unknown_0x58[0] = 0x00000000;
 419         new_entry_2->unknown_0x58[1] = 0x00000000;
 420         new_entry_2->unknown_0x58[2] = 0x00000000;
 421         new_entry_2->unknown_0x58[3] = 0x00000000;
 422
 423         wimlib_assert(wim_path[2] == L'\\');
 424         return mempcpy(new_entry_2->wim_file_name,
 425                        wim_path + 2,
 426                        new_entry_2_size - sizeof(struct WimOverlay_dat_entry_2));
 427 }
 428
 429 /*
 430  * Prepares the new contents of WimOverlay.dat in memory, with one entry added.
 431  *
 432  * @old_hdr
 433  *      Old contents of WimOverlay.dat, or NULL if it did not exist.
 434  * @wim_path
 435  *      Absolute path to the WIM file.  It must begin with a drive letter; for
 436  *      example, D:\install.wim.
 437  * @wim_guid
 438  *      GUID of the WIM, from the WIM header.
 439  * @image
 440  *      Number of the image in the WIM to specify in the new entry.
 441  * @new_contents_ret
 442  *      Location into which to return the new contents as a malloc()ed buffer on
 443  *      success.
 444  * @new_contents_size_ret
 445  *      Location into which to return the size, in bytes, of the new contents on
 446  *      success.
 447  * @new_data_source_id_ret
 448  *      Location into which to return the data source ID of the new entry on
 449  *      success.
 450  *
 451  * Returns 0 on success, or a positive error code on failure.
 452  */
 453 static int
 454 prepare_wimoverlay_dat(const struct WimOverlay_dat_header *old_hdr,
 455                        const wchar_t *wim_path,
 456                        const u8 wim_guid[WIM_GUID_LEN],
 457                        int image,
 458                        void **new_contents_ret,
 459                        u32 *new_contents_size_ret,
 460                        u64 *new_data_source_id_ret)
 461 {
 462         int ret;
 463         PARTITION_INFORMATION_EX part_info;
 464         DRIVE_LAYOUT_INFORMATION_EX disk_info;
 465         u64 new_data_source_id;
 466         u32 new_entry_2_size;
 467         u32 new_contents_size;
 468         u8 *buf;
 469         u8 *end;
 470
 471         ret = query_partition_and_disk_info(wim_path, &part_info, &disk_info);
 472         if (ret)
 473                 return ret;
 474
 475         new_data_source_id = alloc_new_data_source_id(old_hdr);
 476
 477         new_entry_2_size = sizeof(struct WimOverlay_dat_entry_2) +
 478                                 ((wcslen(wim_path) - 2 + 1) * sizeof(wchar_t));
 479         ret = calculate_wimoverlay_dat_size(old_hdr, new_entry_2_size,
 480                                             &new_contents_size);
 481         if (ret)
 482                 return ret;
 483
 484         buf = MALLOC(new_contents_size);
 485         if (!buf)
 486                 return WIMLIB_ERR_NOMEM;
 487
 488         end = fill_in_wimoverlay_dat(buf, old_hdr, wim_path, wim_guid, image,
 489                                      new_data_source_id,
 490                                      &part_info, &disk_info, new_entry_2_size);
 491
 492         wimlib_assert(end - buf == new_contents_size);
 493
 494         *new_contents_ret = buf;
 495         *new_contents_size_ret = new_contents_size;
 496         *new_data_source_id_ret = new_data_source_id;
 497         return 0;
 498 }
 499
 500 /*
 501  * Reads and validates a WimOverlay.dat file.
 502  *
 503  * @path
 504  *      Path to the WimOverlay.dat file, such as
 505  *      C:\System Volume Information\WimOverlay.dat
 506  * @contents_ret
 507  *      Location into which to return the contents as a malloc()ed buffer on
 508  *      success.  This can be cast to 'struct WimOverlay_dat_header', and its
 509  *      contents are guaranteed to be valid.  Alternatively, if the file does
 510  *      not exist, NULL will be returned here.
 511  *
 512  * Returns 0 on success, or a positive error code on failure.
 513  */
 514 static int
 515 read_wimoverlay_dat(const wchar_t *path, void **contents_ret)
 516 {
 517         HANDLE h;
 518         BY_HANDLE_FILE_INFORMATION info;
 519         int ret;
 520         void *contents;
 521         const struct WimOverlay_dat_header *hdr;
 522         DWORD bytes_read;
 523         bool already_retried = false;
 524
 525 retry:
 526         h = open_file(path, GENERIC_READ);
 527         if (h == INVALID_HANDLE_VALUE) {
 528                 DWORD err = GetLastError();
 529                 if (err == ERROR_FILE_NOT_FOUND) {
 530                         *contents_ret = NULL;
 531                         return 0;
 532                 }
 533                 if (err == ERROR_PATH_NOT_FOUND &&
 534                     func_RtlCreateSystemVolumeInformationFolder)
 535                 {
 536                         wchar_t volume_root_path[] = L"\\??\\X:\\";
 537
 538                         *(wcschr(volume_root_path, L'X')) = path[0];
 539
 540                         UNICODE_STRING str = {
 541                                 .Length = sizeof(volume_root_path) - sizeof(wchar_t),
 542                                 .MaximumLength = sizeof(volume_root_path),
 543                                 .Buffer = volume_root_path,
 544                         };
 545                         NTSTATUS status;
 546                         DWORD err2;
 547
 548                         status = (*func_RtlCreateSystemVolumeInformationFolder)(&str);
 549
 550                         err2 = (*func_RtlNtStatusToDosError)(status);
 551                         if (err2 == ERROR_SUCCESS) {
 552                                 if (!already_retried) {
 553                                         already_retried = true;
 554                                         goto retry;
 555                                 }
 556                         } else {
 557                                 err = err2;
 558                         }
 559                 }
 560                 set_errno_from_win32_error(err);
 561                 ERROR_WITH_ERRNO("\"%ls\": Can't open for reading", path);
 562                 return WIMLIB_ERR_OPEN;
 563         }
 564         if (!GetFileInformationByHandle(h, &info)) {
 565                 set_errno_from_GetLastError();
 566                 ERROR_WITH_ERRNO("\"%ls\": Can't query metadata", path);
 567                 CloseHandle(h);
 568                 return WIMLIB_ERR_STAT;
 569         }
 570
 571         contents = NULL;
 572         if (!info.nFileSizeHigh)
 573                 contents = MALLOC(info.nFileSizeLow);
 574         if (!contents) {
 575                 ERROR("\"%ls\": File is too large to fit into memory", path);
 576                 CloseHandle(h);
 577                 return WIMLIB_ERR_NOMEM;
 578         }
 579
 580         if (!ReadFile(h, contents, info.nFileSizeLow, &bytes_read, NULL) ||
 581             bytes_read != info.nFileSizeLow)
 582         {
 583                 set_errno_from_GetLastError();
 584                 ERROR_WITH_ERRNO("\"%ls\": Can't read data", path);
 585                 CloseHandle(h);
 586                 ret = WIMLIB_ERR_READ;
 587                 goto out_free_contents;
 588         }
 589
 590         CloseHandle(h);
 591
 592         if (info.nFileSizeLow < sizeof(struct WimOverlay_dat_header)) {
 593                 ERROR("\"%ls\": File is unexpectedly small (only %"PRIu32" bytes)",
 594                       path, (u32)info.nFileSizeLow);
 595                 ret = WIMLIB_ERR_UNSUPPORTED;
 596                 goto out_free_contents;
 597         }
 598
 599         hdr = (const struct WimOverlay_dat_header *)contents;
 600
 601         if (hdr->magic != WIMOVERLAY_DAT_MAGIC ||
 602             hdr->wim_provider_version != WIM_PROVIDER_CURRENT_VERSION ||
 603             hdr->unknown_0x08 != 0x00000028 ||
 604             (hdr->num_entries_1 != hdr->num_entries_2) ||
 605             hdr->unknown_0x14 != 0x00000000)
 606         {
 607                 ERROR("\"%ls\": Header contains unexpected data:", path);
 608                 if (wimlib_print_errors) {
 609                         print_byte_field((const u8 *)hdr,
 610                                          sizeof(struct WimOverlay_dat_header),
 611                                          wimlib_error_file);
 612                         fputc('\n', wimlib_error_file);
 613                 }
 614                 ret = WIMLIB_ERR_UNSUPPORTED;
 615                 goto out_free_contents;
 616         }
 617
 618         if ((u64)hdr->num_entries_1 * sizeof(struct WimOverlay_dat_entry_1) >
 619             info.nFileSizeLow - sizeof(struct WimOverlay_dat_header))
 620         {
 621                 ERROR("\"%ls\": File is unexpectedly small "
 622                       "(only %"PRIu32" bytes, but has %"PRIu32" entries)",
 623                       path, (u32)info.nFileSizeLow, hdr->num_entries_1);
 624                 ret = WIMLIB_ERR_UNSUPPORTED;
 625                 goto out_free_contents;
 626         }
 627
 628         for (u32 i = 0; i < hdr->num_entries_1; i++) {
 629                 const struct WimOverlay_dat_entry_1 *entry_1;
 630                 const struct WimOverlay_dat_entry_2 *entry_2;
 631                 u32 wim_file_name_length;
 632
 633                 entry_1 = &hdr->entry_1s[i];
 634
 635                 if (((u64)entry_1->entry_2_offset +
 636                      (u64)entry_1->entry_2_length) >
 637                     info.nFileSizeLow)
 638                 {
 639                         ERROR("\"%ls\": entry %"PRIu32" (2) "
 640                               "(data source ID 0x%016"PRIx64") "
 641                               "overflows file",
 642                               path, i, entry_1->data_source_id);
 643                         ret = WIMLIB_ERR_UNSUPPORTED;
 644                         goto out_free_contents;
 645                 }
 646                 if (entry_1->entry_2_length < sizeof(struct WimOverlay_dat_entry_2)) {
 647                         ERROR("\"%ls\": entry %"PRIu32" (2) "
 648                               "(data source ID 0x%016"PRIx64") "
 649                               "is too short",
 650                               path, i, entry_1->data_source_id);
 651                         ret = WIMLIB_ERR_UNSUPPORTED;
 652                         goto out_free_contents;
 653                 }
 654
 655                 if (entry_1->entry_2_offset % 2 != 0) {
 656                         ERROR("\"%ls\": entry %"PRIu32" (2) "
 657                               "(data source ID 0x%016"PRIx64") "
 658                               "is misaligned",
 659                               path, i, entry_1->data_source_id);
 660                         ret = WIMLIB_ERR_UNSUPPORTED;
 661                         goto out_free_contents;
 662                 }
 663
 664                 entry_2 = (const struct WimOverlay_dat_entry_2 *)
 665                                 ((const u8 *)hdr + entry_1->entry_2_offset);
 666
 667                 wim_file_name_length = entry_1->entry_2_length -
 668                                         sizeof(struct WimOverlay_dat_entry_2);
 669                 if ((wim_file_name_length < 2 * sizeof(wchar_t)) ||
 670                     (wim_file_name_length % sizeof(wchar_t) != 0) ||
 671                     (wmemchr(entry_2->wim_file_name, L'\0',
 672                              wim_file_name_length / sizeof(wchar_t))
 673                      != &entry_2->wim_file_name[wim_file_name_length /
 674                                                 sizeof(wchar_t) - 1]))
 675                 {
 676                         ERROR("\"%ls\": entry %"PRIu32" (2) "
 677                               "(data source ID 0x%016"PRIx64") "
 678                               "has invalid WIM file name",
 679                               path, i, entry_1->data_source_id);
 680                         if (wimlib_print_errors) {
 681                                 print_byte_field((const u8 *)entry_2->wim_file_name,
 682                                                  wim_file_name_length,
 683                                                  wimlib_error_file);
 684                                 fputc('\n', wimlib_error_file);
 685                         }
 686                         ret = WIMLIB_ERR_UNSUPPORTED;
 687                         goto out_free_contents;
 688                 }
 689
 690                 if (entry_2->unknown_0x00 != 0x00000000 ||
 691                     entry_2->unknown_0x04 != 0x00000000 ||
 692                     entry_2->unknown_0x0C != 0x00000000 ||
 693                     entry_2->entry_2_length != entry_1->entry_2_length ||
 694                     entry_2->unknown_0x10 != 0x00000005 ||
 695                     entry_2->unknown_0x14 != 0x00000001 ||
 696                     entry_2->inner_struct_size != entry_1->entry_2_length - 0x14 ||
 697                     entry_2->unknown_0x1C != 0x00000005 ||
 698                     entry_2->unknown_0x20 != 0x00000006 ||
 699                     entry_2->unknown_0x24 != 0x00000000 ||
 700                     entry_2->unknown_0x28 != 0x00000048 ||
 701                     entry_2->unknown_0x2C != 0x00000000 ||
 702                     entry_2->unknown_0x40 != 0x00000000 ||
 703                     (entry_2->partition_table_type != WIMOVERLAY_PARTITION_TYPE_GPT &&
 704                      entry_2->partition_table_type != WIMOVERLAY_PARTITION_TYPE_MBR) ||
 705                     (entry_2->partition_table_type == WIMOVERLAY_PARTITION_TYPE_MBR &&
 706                      entry_2->partition.mbr.padding != 0) ||
 707                     (entry_2->partition_table_type == WIMOVERLAY_PARTITION_TYPE_GPT &&
 708                      entry_2->partition.mbr.padding == 0) ||
 709                     entry_2->unknown_0x58[0] != 0x00000000 ||
 710                     entry_2->unknown_0x58[1] != 0x00000000 ||
 711                     entry_2->unknown_0x58[2] != 0x00000000 ||
 712                     entry_2->unknown_0x58[3] != 0x00000000)
 713                 {
 714                         ERROR("\"%ls\": entry %"PRIu32" (2) "
 715                               "(data source ID 0x%016"PRIx64") "
 716                               "contains unexpected data!",
 717                               path, i, entry_1->data_source_id);
 718                         if (wimlib_print_errors) {
 719                                 print_byte_field((const u8 *)entry_2,
 720                                                  entry_1->entry_2_length,
 721                                                  wimlib_error_file);
 722                                 fputc('\n', wimlib_error_file);
 723                         }
 724                         ret = WIMLIB_ERR_UNSUPPORTED;
 725                         goto out_free_contents;
 726                 }
 727         }
 728
 729         *contents_ret = contents;
 730         return 0;
 731
 732 out_free_contents:
 733         FREE(contents);
 734         return ret;
 735 }
 736
 737 /*
 738  * Update WimOverlay.dat manually in order to add a WIM data source to the
 739  * target volume.
 740  *
 741  * THIS CODE IS EXPERIMENTAL AS I HAD TO REVERSE ENGINEER THE FILE FORMAT!
 742  *
 743  * @path
 744  *      Target drive.  Must be a letter followed by a colon (e.g. D:).
 745  * @wim_path
 746  *      Absolute path to the WIM file.  It must begin with a drive letter; for
 747  *      example, D:\install.wim.
 748  * @wim_guid
 749  *      GUID of the WIM, from the WIM header.
 750  * @image
 751  *      Number of the image in the WIM to specify in the new entry.
 752  * @data_source_id_ret
 753  *      On success, the allocated data source ID is returned here.
 754  */
 755 static int
 756 update_wimoverlay_manually(const wchar_t *drive, const wchar_t *wim_path,
 757                            const u8 wim_guid[WIM_GUID_LEN],
 758                            int image, u64 *data_source_id_ret)
 759 {
 760         wchar_t path_main[] = L"A:\\System Volume Information\\WimOverlay.dat";
 761         wchar_t path_backup[] = L"A:\\System Volume Information\\WimOverlay.backup";
 762         wchar_t path_wimlib_backup[] = L"A:\\System Volume Information\\WimOverlay.wimlib_backup";
 763         wchar_t path_new[] = L"A:\\System Volume Information\\WimOverlay.wimlib_new";
 764         void *old_contents;
 765         void *new_contents;
 766         u32 new_contents_size;
 767         u64 new_data_source_id;
 768         int ret;
 769
 770         wimlib_assert(drive[0] != L'\0' &&
 771                       drive[1] == L':' &&
 772                       drive[2] == L'\0');
 773
 774         path_main[0]          = drive[0];
 775         path_backup[0]        = drive[0];
 776         path_wimlib_backup[0] = drive[0];
 777         path_new[0]           = drive[0];
 778
 779         ret = read_wimoverlay_dat(path_main, &old_contents);
 780         if (ret)
 781                 goto out;
 782
 783         ret = prepare_wimoverlay_dat(old_contents, wim_path, wim_guid, image,
 784                                      &new_contents, &new_contents_size,
 785                                      &new_data_source_id);
 786         FREE(old_contents);
 787         if (ret)
 788                 goto out;
 789
 790         /* Write WimOverlay.wimlib_new  */
 791         ret = write_wimoverlay_dat(path_new,
 792                                    new_contents, new_contents_size);
 793         if (ret)
 794                 goto out_free_new_contents;
 795
 796         /* Write WimOverlay.backup  */
 797         ret = write_wimoverlay_dat(path_backup,
 798                                    new_contents, new_contents_size);
 799         if (ret)
 800                 goto out_free_new_contents;
 801
 802         if (old_contents) {
 803                 /* Rename WimOverlay.dat => WimOverlay.wimlib_backup  */
 804                 ret = win32_rename_replacement(path_main, path_wimlib_backup);
 805                 if (ret) {
 806                         ERROR_WITH_ERRNO("Can't rename \"%ls\" => \"%ls\"",
 807                                          path_main, path_wimlib_backup);
 808                         ret = WIMLIB_ERR_RENAME;
 809                         goto out_free_new_contents;
 810                 }
 811         }
 812
 813         /* Rename WimOverlay.wimlib_new => WimOverlay.dat  */
 814         ret = win32_rename_replacement(path_new, path_main);
 815         if (ret) {
 816                 ERROR_WITH_ERRNO("Can't rename \"%ls\" => \"%ls\"",
 817                                  path_new, path_main);
 818                 ret = WIMLIB_ERR_RENAME;
 819         }
 820 out_free_new_contents:
 821         FREE(new_contents);
 822 out:
 823         if (ret == WIMLIB_ERR_UNSUPPORTED) {
 824                 ERROR("Please report to developer ("PACKAGE_BUGREPORT").\n"
 825                       "        If possible send the file \"%ls\".\n\n", path_main);
 826         }
 827         if (ret == 0)
 828                 *data_source_id_ret = new_data_source_id;
 829         return ret;
 830 }
 831
 832 /* Try to attach an instance of the Windows Overlay File System Filter Driver to
 833  * the specified drive (such as C:)  */
 834 static bool
 835 try_to_attach_wof(const wchar_t *drive)
 836 {
 837         HMODULE fltlib;
 838         bool retval = false;
 839
 840         /* Use FilterAttach() from Fltlib.dll.  */
 841
 842         fltlib = LoadLibrary(L"Fltlib.dll");
 843
 844         if (!fltlib) {
 845                 WARNING("Failed to load Fltlib.dll");
 846                 return retval;
 847         }
 848
 849         HRESULT (WINAPI *func_FilterAttach)(LPCWSTR lpFilterName,
 850                                             LPCWSTR lpVolumeName,
 851                                             LPCWSTR lpInstanceName,
 852                                             DWORD dwCreatedInstanceNameLength,
 853                                             LPWSTR lpCreatedInstanceName);
 854
 855         func_FilterAttach = (void *)GetProcAddress(fltlib, "FilterAttach");
 856
 857         if (func_FilterAttach) {
 858                 HRESULT res;
 859
 860                 res = (*func_FilterAttach)(L"WoF", drive, NULL, 0, NULL);
 861
 862                 if (res == S_OK)
 863                         retval = true;
 864         } else {
 865                 WARNING("FilterAttach() does not exist in Fltlib.dll");
 866         }
 867
 868         FreeLibrary(fltlib);
 869
 870         return retval;
 871 }
 872
 873 /*
 874  * Allocate a WOF data source ID for a WIM file.
 875  *
 876  * @wim_path
 877  *      Absolute path to the WIM file.  This must include a drive letter and use
 878  *      backslash path separators.
 879  * @wim_guid
 880  *      GUID of the WIM, from the WIM header.
 881  * @image
 882  *      Number of the image in the WIM being applied.
 883  * @target
 884  *      Path to the target directory.
 885  * @data_source_id_ret
 886  *      On success, an identifier for the backing WIM file will be returned
 887  *      here.
 888  *
 889  * Returns 0 on success, or a positive error code on failure.
 890  */
 891 int
 892 wimboot_alloc_data_source_id(const wchar_t *wim_path,
 893                              const u8 wim_guid[WIM_GUID_LEN],
 894                              int image, const wchar_t *target,
 895                              u64 *data_source_id_ret, bool *wof_running_ret)
 896 {
 897         tchar drive_path[7];
 898         size_t wim_path_nchars;
 899         size_t wim_file_name_length;
 900         void *in;
 901         size_t insize;
 902         struct wof_external_info *wof_info;
 903         struct wim_provider_add_overlay_input *wim_info;
 904         HANDLE h;
 905         u64 data_source_id;
 906         DWORD bytes_returned;
 907         int ret;
 908         const wchar_t *prefix = L"\\??\\";
 909         const size_t prefix_nchars = 4;
 910         bool tried_to_attach_wof = false;
 911
 912         ret = win32_get_drive_path(target, drive_path);
 913         if (ret)
 914                 return ret;
 915
 916         wimlib_assert(!wcschr(wim_path, L'/'));
 917         wimlib_assert(wim_path[0] != L'\0' && wim_path[1] == L':');
 918
 919         wim_path_nchars = wcslen(wim_path);
 920         wim_file_name_length = sizeof(wchar_t) *
 921                                (wim_path_nchars + prefix_nchars);
 922
 923         insize = sizeof(struct wof_external_info) +
 924                  sizeof(struct wim_provider_add_overlay_input) +
 925                  wim_file_name_length;
 926
 927         in = MALLOC(insize);
 928         if (!in) {
 929                 ret = WIMLIB_ERR_NOMEM;
 930                 goto out;
 931         }
 932
 933         wof_info = (struct wof_external_info *)in;
 934         wof_info->version = WOF_CURRENT_VERSION;
 935         wof_info->provider = WOF_PROVIDER_WIM;
 936
 937         wim_info = (struct wim_provider_add_overlay_input *)(wof_info + 1);
 938         wim_info->wim_type = WIM_BOOT_NOT_OS_WIM;
 939         wim_info->wim_index = image;
 940         wim_info->wim_file_name_offset = offsetof(struct wim_provider_add_overlay_input,
 941                                                   wim_file_name);
 942         wim_info->wim_file_name_length = wim_file_name_length;
 943         wmemcpy(&wim_info->wim_file_name[0], prefix, prefix_nchars);
 944         wmemcpy(&wim_info->wim_file_name[prefix_nchars], wim_path, wim_path_nchars);
 945
 946 retry_ioctl:
 947         h = open_file(drive_path, GENERIC_WRITE);
 948
 949         if (h == INVALID_HANDLE_VALUE) {
 950                 set_errno_from_GetLastError();
 951                 ERROR_WITH_ERRNO("Failed to open \"%ls\"", drive_path + 4);
 952                 ret = WIMLIB_ERR_OPEN;
 953                 goto out_free_in;
 954         }
 955
 956         if (!DeviceIoControl(h, FSCTL_ADD_OVERLAY,
 957                              in, insize,
 958                              &data_source_id, sizeof(data_source_id),
 959                              &bytes_returned, NULL))
 960         {
 961                 DWORD err = GetLastError();
 962                 if (err == ERROR_INVALID_FUNCTION) {
 963                         if (!tried_to_attach_wof) {
 964                                 CloseHandle(h);
 965                                 h = INVALID_HANDLE_VALUE;
 966                                 tried_to_attach_wof = true;
 967                                 if (try_to_attach_wof(drive_path + 4))
 968                                         goto retry_ioctl;
 969                         }
 970                         ret = WIMLIB_ERR_UNSUPPORTED;
 971                         goto out_close_handle;
 972                 } else {
 973                         set_errno_from_win32_error(err);
 974                         ERROR_WITH_ERRNO("Failed to add overlay source \"%ls\" "
 975                                          "to volume \"%ls\" (err=0x%08"PRIx32")",
 976                                          wim_path, drive_path + 4, (u32)err);
 977                         ret = WIMLIB_ERR_WIMBOOT;
 978                         goto out_close_handle;
 979                 }
 980         }
 981
 982         if (bytes_returned != sizeof(data_source_id)) {
 983                 set_errno_from_win32_error(ERROR_INVALID_DATA);
 984                 ret = WIMLIB_ERR_WIMBOOT;
 985                 ERROR("Unexpected result size when adding "
 986                       "overlay source \"%ls\" to volume \"%ls\"",
 987                       wim_path, drive_path + 4);
 988                 goto out_close_handle;
 989         }
 990
 991         *wof_running_ret = true;
 992         *data_source_id_ret = data_source_id;
 993         ret = 0;
 994
 995 out_close_handle:
 996         CloseHandle(h);
 997 out_free_in:
 998         FREE(in);
 999 out:
1000         if (ret == WIMLIB_ERR_UNSUPPORTED) {
1001         #if 0
1002                 WARNING(
1003                 "The version of Windows you are running does not appear to support\n"
1004                 "        the Windows Overlay File System Filter Driver.  This is normally\n"
1005                 "        available on Windows 8.1 Update 1 or later.  Therefore, wimlib\n"
1006                 "        will attempt to update the WimOverlay.dat file directly.\n");
1007         #else
1008                 WARNING("WOF driver is not available; updating WimOverlay.dat directly.");
1009         #endif
1010                 ret = update_wimoverlay_manually(drive_path + 4, wim_path,
1011                                                  wim_guid, image,
1012                                                  data_source_id_ret);
1013                 *wof_running_ret = false;
1014         }
1015         return ret;
1016 }
1017
1018
1019 /*
1020  * Set WIMBoot information on the specified file.
1021  *
1022  * This turns it into a reparse point that redirects accesses to it, to the
1023  * corresponding resource in the WIM archive.
1024  *
1025  * @h
1026  *      Open handle to the file, with GENERIC_WRITE access.
1027  * @printable_name
1028  *      Printable representation of the path to the file.
1029  * @lte
1030  *      Unnamed data stream of the file.
1031  * @data_source_id
1032  *      Allocated identifier for the WIM data source on the destination volume.
1033  * @lookup_table_hash
1034  *      SHA-1 message digest of the WIM's lookup table.
1035  * @wof_running
1036  *      %true if the WOF driver appears to be available and working; %false if
1037  *      not.
1038  *
1039  * Returns 0 on success, or a positive error code on failure.
1040  */
1041 int
1042 wimboot_set_pointer(HANDLE h,
1043                     const wchar_t *printable_name,
1044                     const struct wim_lookup_table_entry *lte,
1045                     u64 data_source_id,
1046                     const u8 lookup_table_hash[SHA1_HASH_SIZE],
1047                     bool wof_running)
1048 {
1049         DWORD bytes_returned;
1050         DWORD err;
1051
1052         if (wof_running) {
1053                 /* The WOF driver is running.  We can create the reparse point
1054                  * using FSCTL_SET_EXTERNAL_BACKING.  */
1055
1056                 struct {
1057                         struct wof_external_info wof_info;
1058                         struct wim_provider_external_info wim_info;
1059                 } in;
1060
1061                 in.wof_info.version = WOF_CURRENT_VERSION;
1062                 in.wof_info.provider = WOF_PROVIDER_WIM;
1063
1064                 in.wim_info.version = WIM_PROVIDER_CURRENT_VERSION;
1065                 in.wim_info.flags = 0;
1066                 in.wim_info.data_source_id = data_source_id;
1067                 copy_hash(in.wim_info.resource_hash, lte->hash);
1068
1069                 /* lookup_table_hash is not necessary  */
1070
1071                 if (!DeviceIoControl(h, FSCTL_SET_EXTERNAL_BACKING,
1072                                      &in, sizeof(in), NULL, 0,
1073                                      &bytes_returned, NULL))
1074                         goto fail;
1075         } else {
1076
1077                 /* The WOF driver is running.  We need to create the reparse
1078                  * point manually.  */
1079
1080                 struct {
1081                         struct {
1082                                 le32 rptag;
1083                                 le16 rpdatalen;
1084                                 le16 rpreserved;
1085                         } hdr;
1086                         struct wof_external_info wof_info;
1087                         struct wim_provider_rpdata wim_info;
1088                 } in;
1089
1090                 BUILD_BUG_ON(sizeof(in) != 8 +
1091                              sizeof(struct wof_external_info) +
1092                              sizeof(struct wim_provider_rpdata));
1093
1094                 in.hdr.rptag = WIMLIB_REPARSE_TAG_WOF;
1095                 in.hdr.rpdatalen = sizeof(in) - sizeof(in.hdr);
1096                 in.hdr.rpreserved = 0;
1097
1098                 in.wof_info.version = WOF_CURRENT_VERSION;
1099                 in.wof_info.provider = WOF_PROVIDER_WIM;
1100
1101                 in.wim_info.version = 2;
1102                 in.wim_info.flags = 0;
1103                 in.wim_info.data_source_id = data_source_id;
1104                 copy_hash(in.wim_info.resource_hash, lte->hash);
1105                 copy_hash(in.wim_info.wim_lookup_table_hash, lookup_table_hash);
1106                 in.wim_info.stream_uncompressed_size = lte->size;
1107                 in.wim_info.stream_compressed_size = lte->rspec->size_in_wim;
1108                 in.wim_info.stream_offset_in_wim = lte->rspec->offset_in_wim;
1109
1110                 if (!DeviceIoControl(h, FSCTL_SET_REPARSE_POINT,
1111                                      &in, sizeof(in), NULL, 0, &bytes_returned, NULL))
1112                         goto fail;
1113
1114                 /* We also need to create an unnamed data stream of the correct
1115                  * size.  Otherwise the file shows up as zero length.  It can be
1116                  * a sparse stream containing all zeroes; its contents
1117                  * are unimportant.  */
1118                 if (!DeviceIoControl(h, FSCTL_SET_SPARSE, NULL, 0, NULL, 0,
1119                                      &bytes_returned, NULL))
1120                         goto fail;
1121
1122                 if (!SetFilePointerEx(h,
1123                                       (LARGE_INTEGER){ .QuadPart = lte->size},
1124                                       NULL, FILE_BEGIN))
1125                         goto fail;
1126
1127                 if (!SetEndOfFile(h))
1128                         goto fail;
1129         }
1130
1131         return 0;
1132
1133 fail:
1134         err = GetLastError();
1135         set_errno_from_win32_error(err);
1136         ERROR_WITH_ERRNO("\"%ls\": Couldn't set WIMBoot pointer data "
1137                          "(err=%"PRIu32")", printable_name, (u32)err);
1138         return WIMLIB_ERR_WIMBOOT;
1139 }
1140
1141 #endif /* __WIN32__ */