wimlib.net Git - wimlib/blob - programs/imagex.c

   1 /*
   2  * imagex.c
   3  *
   4  * Use wimlib to create, modify, extract, mount, unmount, or display information
   5  * about a WIM file
   6  */
   7
   8 /*
   9  * Copyright (C) 2012 Eric Biggers
  10  *
  11  * This program is free software: you can redistribute it and/or modify
  12  * it under the terms of the GNU General Public License as published by
  13  * the Free Software Foundation, either version 3 of the License, or
  14  * (at your option) any later version.
  15  *
  16  * This program is distributed in the hope that it will be useful,
  17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19  * GNU General Public License for more details.
  20  *
  21  * You should have received a copy of the GNU General Public License
  22  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  23  */
  24
  25 #include "wimlib.h"
  26 #include "config.h"
  27 #include <getopt.h>
  28 #include <stdlib.h>
  29 #include <stdarg.h>
  30 #include <string.h>
  31 #include <errno.h>
  32 #include <sys/stat.h>
  33
  34 #ifdef WITH_NTFS_3G
  35 #include <unistd.h>
  36 #include <sys/wait.h>
  37 #endif
  38
  39 #define ARRAY_LEN(array) (sizeof(array) / sizeof(array[0]))
  40
  41 #define swap(a, b) ({ typeof(a) __a = (a); typeof(b) __b = (b); \
  42                                 a = __b; b = __a; })
  43
  44 #define for_opt(c, opts) while ((c = getopt_long_only(argc, (char**)argv, "", \
  45                                 opts, NULL)) != -1)
  46
  47
  48 enum imagex_op_type {
  49         APPEND,
  50         APPLY,
  51         CAPTURE,
  52         DELETE,
  53         DIR,
  54         EXPORT,
  55         INFO,
  56         JOIN,
  57         MOUNT,
  58         MOUNTRW,
  59         SPLIT,
  60         UNMOUNT,
  61 };
  62
  63 static const char *path_basename(const char *path)
  64 {
  65         const char *p = path;
  66         while (*p)
  67                 p++;
  68         p--;
  69
  70         /* Trailing slashes. */
  71         while ((p != path - 1) && *p == '/')
  72                 p--;
  73
  74         while ((p != path - 1) && *p != '/')
  75                 p--;
  76
  77         return p + 1;
  78 }
  79
  80
  81 static const char *usage_strings[] = {
  82 [APPEND] =
  83 "    imagex append (DIRECTORY | NTFS_VOLUME) WIMFILE [\"IMAGE_NAME\"]\n"
  84 "                  [\"DESCRIPTION\"] [--boot] [--check] [--flags EDITIONID]\n"
  85 "                  [--dereference] [--config=FILE]\n",
  86 [APPLY] =
  87 "    imagex apply WIMFILE [IMAGE_NUM | IMAGE_NAME | all]\n"
  88 "                 (DIRECTORY | NTFS_VOLUME) [--check] [--hardlink]\n"
  89 "                 [--symlink] [--verbose]\n",
  90 [CAPTURE] =
  91 "    imagex capture (DIRECTORY | NTFS_VOLUME) WIMFILE [\"IMAGE_NAME\"]\n"
  92 "                   [\"DESCRIPTION\"] [--boot] [--check] [--compress[=TYPE]]\n"
  93 "                   [--flags \"EditionID\"] [--verbose] [--dereference]\n"
  94 "                   [--config=FILE]\n",
  95 [DELETE] =
  96 "    imagex delete WIMFILE (IMAGE_NUM | IMAGE_NAME | all) [--check]\n",
  97 [DIR] =
  98 "    imagex dir WIMFILE (IMAGE_NUM | IMAGE_NAME | \"all\")\n",
  99 [EXPORT] =
 100 "    imagex export SRC_WIMFILE (SRC_IMAGE_NUM | SRC_IMAGE_NAME | all ) \n"
 101 "        DEST_WIMFILE [\"DEST_IMAGE_NAME\"] [\"DEST_IMAGE_DESCRIPTION\"]\n"
 102 "                  [--boot] [--check] [--compress[=TYPE]]\n",
 103 [INFO] =
 104 "    imagex info WIMFILE [IMAGE_NUM | IMAGE_NAME] [NEW_NAME]\n"
 105 "                [NEW_DESC] [--boot] [--check] [--header] [--lookup-table]\n"
 106 "                [--xml] [--extract-xml FILE] [--metadata]\n",
 107 [JOIN] =
 108 "    imagex join [--check] WIMFILE SPLIT_WIM...\n",
 109 [MOUNT] =
 110 "    imagex mount WIMFILE (IMAGE_NUM | IMAGE_NAME) DIRECTORY\n"
 111 "                 [--check] [--debug] [--stream-interface=INTERFACE]\n",
 112 [MOUNTRW] =
 113 "    imagex mountrw WIMFILE [IMAGE_NUM | IMAGE_NAME] DIRECTORY\n"
 114 "                   [--check] [--debug] [--stream-interface=INTERFACE]\n",
 115 [SPLIT] =
 116 "    imagex split WIMFILE SPLIT_WIMFILE PART_SIZE [--check]\n",
 117 [UNMOUNT] =
 118 "    imagex unmount DIRECTORY [--commit] [--check]\n",
 119 };
 120
 121 static const struct option common_options[] = {
 122         {"help", 0, NULL, 'h'},
 123         {"version", 0, NULL, 'v'},
 124         {NULL, 0, NULL, 0},
 125 };
 126
 127 static const struct option append_options[] = {
 128         {"boot",   no_argument,       NULL, 'b'},
 129         {"check",  no_argument,       NULL, 'c'},
 130         {"flags",    required_argument, NULL, 'f'},
 131         {"dereference", no_argument, NULL, 'L'},
 132         {"config", required_argument, NULL, 'C'},
 133         {NULL, 0, NULL, 0},
 134 };
 135 static const struct option apply_options[] = {
 136         {"check",    no_argument,       NULL, 'c'},
 137         {"hardlink", no_argument,       NULL, 'h'},
 138         {"symlink",  no_argument,       NULL, 's'},
 139         {"verbose",  no_argument,       NULL, 'v'},
 140         {NULL, 0, NULL, 0},
 141 };
 142 static const struct option capture_options[] = {
 143         {"boot",     no_argument,       NULL, 'b'},
 144         {"check",    no_argument,       NULL, 'c'},
 145         {"compress", optional_argument, NULL, 'x'},
 146         {"flags",    required_argument, NULL, 'f'},
 147         {"verbose",  no_argument,       NULL,'v'},
 148         {"dereference", no_argument, NULL, 'L'},
 149         {"config", required_argument, NULL, 'C'},
 150         {NULL, 0, NULL, 0},
 151 };
 152 static const struct option delete_options[] = {
 153         {"check", no_argument, NULL, 'c'},
 154         {NULL, 0, NULL, 0},
 155 };
 156
 157 static const struct option export_options[] = {
 158         {"boot",       no_argument, NULL, 'b'},
 159         {"check",      no_argument , NULL, 'c'},
 160         {"compress",   optional_argument, NULL, 'x'},
 161         {NULL, 0, NULL, 0},
 162 };
 163
 164 static const struct option info_options[] = {
 165         {"boot",         no_argument, NULL, 'b'},
 166         {"check",        no_argument, NULL, 'c'},
 167         {"header",       no_argument, NULL, 'h'},
 168         {"lookup-table", no_argument, NULL, 'l'},
 169         {"xml",          no_argument, NULL, 'x'},
 170         {"extract-xml",  required_argument, NULL, 'X'},
 171         {"metadata",     no_argument, NULL, 'm'},
 172         {NULL, 0, NULL, 0},
 173 };
 174
 175 static const struct option join_options[] = {
 176         {"check", no_argument, NULL, 'c'},
 177         {NULL, 0, NULL, 0},
 178 };
 179
 180 static const struct option mount_options[] = {
 181         {"check", no_argument, NULL, 'c'},
 182         {"debug", no_argument, NULL, 'd'},
 183         {"stream-interface", required_argument, NULL, 's'},
 184         {NULL, 0, NULL, 0},
 185 };
 186
 187 static const struct option split_options[] = {
 188         {"check", no_argument, NULL, 'c'},
 189         {NULL, 0, NULL, 0},
 190 };
 191
 192 static const struct option unmount_options[] = {
 193         {"commit", no_argument, NULL, 'c'},
 194         {"check", no_argument, NULL, 'C'},
 195         {NULL, 0, NULL, 0},
 196 };
 197
 198
 199 /* Print formatted error message to stderr. */
 200 static void imagex_error(const char *format, ...)
 201 {
 202         va_list va;
 203         va_start(va, format);
 204         fputs("ERROR: ", stderr);
 205         vfprintf(stderr, format, va);
 206         putc('\n', stderr);
 207         va_end(va);
 208 }
 209
 210 /* Print formatted error message to stderr. */
 211 static void imagex_error_with_errno(const char *format, ...)
 212 {
 213         int errno_save = errno;
 214         va_list va;
 215         va_start(va, format);
 216         fputs("ERROR: ", stderr);
 217         vfprintf(stderr, format, va);
 218         fprintf(stderr, ": %s\n", strerror(errno_save));
 219         va_end(va);
 220 }
 221
 222
 223 static inline void version()
 224 {
 225         static const char *s =
 226         "imagex (" PACKAGE ") " PACKAGE_VERSION "\n"
 227         "Copyright (C) 2012 Eric Biggers\n"
 228         "License GPLv3+; GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>.\n"
 229         "This is free software: you are free to change and redistribute it.\n"
 230         "There is NO WARRANTY, to the extent permitted by law.\n"
 231         "\n"
 232         "Report bugs to "PACKAGE_BUGREPORT".\n";
 233         fputs(s, stdout);
 234 }
 235
 236 static inline void usage(int cmd)
 237 {
 238         puts("IMAGEX: Usage:");
 239         fputs(usage_strings[cmd], stdout);
 240 }
 241
 242 static void usage_all()
 243 {
 244         puts("IMAGEX: Usage:");
 245         for (int i = 0; i < ARRAY_LEN(usage_strings); i++)
 246                 fputs(usage_strings[i], stdout);
 247         static const char *extra =
 248 "    imagex --help\n"
 249 "    imagex --version\n"
 250 "\n"
 251 "    The compression TYPE may be \"maximum\", \"fast\", or \"none\".\n"
 252         ;
 253         fputs(extra, stdout);
 254 }
 255
 256 static int verify_image_exists(int image)
 257 {
 258         if (image == WIM_NO_IMAGE) {
 259                 imagex_error("Not a valid image");
 260                 return WIMLIB_ERR_INVALID_IMAGE;
 261         }
 262         return 0;
 263 }
 264
 265 static int verify_image_is_single(int image)
 266 {
 267         if (image == WIM_ALL_IMAGES) {
 268                 imagex_error("Cannot specify all images for this action");
 269                 return WIMLIB_ERR_INVALID_IMAGE;
 270         }
 271         return 0;
 272 }
 273
 274 static int verify_image_exists_and_is_single(int image)
 275 {
 276         int ret;
 277         ret = verify_image_exists(image);
 278         if (ret == 0)
 279                 ret = verify_image_is_single(image);
 280         return ret;
 281 }
 282
 283 static int get_compression_type(const char *optarg)
 284 {
 285         if (!optarg)
 286                 return WIM_COMPRESSION_TYPE_XPRESS;
 287         if (strcasecmp(optarg, "maximum") == 0 || strcasecmp(optarg, "lzx") == 0)
 288                 return WIM_COMPRESSION_TYPE_LZX;
 289         else if (strcasecmp(optarg, "fast") == 0 || strcasecmp(optarg, "xpress") == 0)
 290                 return WIM_COMPRESSION_TYPE_XPRESS;
 291         else if (strcasecmp(optarg, "none") == 0)
 292                 return WIM_COMPRESSION_TYPE_NONE;
 293         else {
 294                 imagex_error("Invalid compression type `%s'! Must be "
 295                              "\"maximum\", \"fast\", or \"none\".", optarg);
 296                 return WIM_COMPRESSION_TYPE_INVALID;
 297         }
 298 }
 299
 300 static const char *file_get_contents(const char *filename, size_t *len_ret)
 301 {
 302         struct stat stbuf;
 303         char *buf;
 304         size_t len;
 305         FILE *fp;
 306
 307         if (stat(filename, &stbuf) != 0) {
 308                 imagex_error_with_errno("Failed to stat the file `%s'", filename);
 309                 return NULL;
 310         }
 311         len = stbuf.st_size;
 312
 313         fp = fopen(filename, "rb");
 314         if (!fp) {
 315                 imagex_error_with_errno("Failed to open the file `%s'", filename);
 316                 return NULL;
 317         }
 318
 319         buf = malloc(len);
 320         if (!buf) {
 321                 imagex_error("Failed to allocate buffer of %zu bytes to hold "
 322                              "contents of file `%s'", len, filename);
 323                 goto out_fclose;
 324         }
 325         if (fread(buf, 1, len, fp) != len) {
 326                 imagex_error_with_errno("Failed to read %lu bytes from the "
 327                                         "file `%s'", len, filename);
 328                 goto out_free_buf;
 329         }
 330         *len_ret = len;
 331         return buf;
 332 out_free_buf:
 333         free(buf);
 334 out_fclose:
 335         fclose(fp);
 336         return NULL;
 337 }
 338
 339 static int imagex_append(int argc, const char **argv)
 340 {
 341         int c;
 342         const char *flags_element = NULL;
 343         int open_flags = WIMLIB_OPEN_FLAG_SHOW_PROGRESS;
 344         int add_image_flags = 0;
 345         int write_flags = WIMLIB_WRITE_FLAG_SHOW_PROGRESS;
 346         const char *dir;
 347         const char *wimfile;
 348         const char *name;
 349         const char *desc;
 350         const char *config_file = NULL;
 351         const char *config_str = NULL;
 352         size_t config_len = 0;
 353         WIMStruct *w;
 354         int ret;
 355
 356         for_opt(c, append_options) {
 357                 switch (c) {
 358                 case 'b':
 359                         add_image_flags |= WIMLIB_ADD_IMAGE_FLAG_BOOT;
 360                         break;
 361                 case 'c':
 362                         open_flags |= WIMLIB_OPEN_FLAG_CHECK_INTEGRITY;
 363                         write_flags |= WIMLIB_WRITE_FLAG_CHECK_INTEGRITY;
 364                         break;
 365                 case 'C':
 366                         config_file = optarg;
 367                         break;
 368                 case 'f':
 369                         flags_element = optarg;
 370                         break;
 371                 case 'L':
 372                         add_image_flags |= WIMLIB_ADD_IMAGE_FLAG_DEREFERENCE;
 373                         break;
 374                 default:
 375                         usage(APPEND);
 376                         return -1;
 377                 }
 378         }
 379         argc -= optind;
 380         argv += optind;
 381         if (argc < 2 || argc > 4) {
 382                 usage(APPEND);
 383                 return -1;
 384         }
 385         dir     = argv[0];
 386         wimfile = argv[1];
 387         name    = (argc >= 3) ? argv[2] : path_basename(dir);
 388         desc    = (argc >= 4) ? argv[3] : NULL;
 389
 390         if (config_file) {
 391                 config_str = file_get_contents(config_file, &config_len);
 392                 if (!config_str)
 393                         return -1;
 394         }
 395
 396         ret = wimlib_open_wim(wimfile, open_flags, &w);
 397         if (ret != 0)
 398                 return ret;
 399
 400 #ifdef WITH_NTFS_3G
 401         struct stat stbuf;
 402
 403         ret = stat(dir, &stbuf);
 404         if (ret == 0) {
 405                 if (S_ISBLK(stbuf.st_mode) || S_ISREG(stbuf.st_mode)) {
 406                         const char *ntfs_device = dir;
 407                         printf("Capturing WIM image NTFS filesystem on `%s'\n",
 408                                ntfs_device);
 409                         ret = wimlib_add_image_from_ntfs_volume(w, ntfs_device,
 410                                                                 name, desc,
 411                                                                 flags_element,
 412                                                                 config_str,
 413                                                                 config_len,
 414                                                                 add_image_flags);
 415                         goto out_write;
 416                 }
 417         } else {
 418                 if (errno != -ENOENT)
 419                         imagex_error_with_errno("Failed to stat `%s'", dir);
 420         }
 421 #endif
 422         ret = wimlib_add_image(w, dir, name, desc,
 423                                flags_element, config_str, config_len,
 424                                add_image_flags);
 425
 426 out_write:
 427         if (ret != 0)
 428                 goto out;
 429         ret = wimlib_overwrite(w, write_flags);
 430 out:
 431         wimlib_free(w);
 432         return ret;
 433 }
 434
 435 /* Extract one image, or all images, from a WIM file into a directory. */
 436 static int imagex_apply(int argc, const char **argv)
 437 {
 438         int c;
 439         int open_flags = WIMLIB_OPEN_FLAG_SHOW_PROGRESS;
 440         int image;
 441         int num_images;
 442         WIMStruct *w;
 443         int ret;
 444         const char *wimfile;
 445         const char *dir;
 446         const char *image_num_or_name;
 447         int extract_flags = 0;
 448
 449         for_opt(c, apply_options) {
 450                 switch (c) {
 451                 case 'c':
 452                         open_flags |= WIMLIB_OPEN_FLAG_CHECK_INTEGRITY;
 453                         break;
 454                 case 'h':
 455                         extract_flags |= WIMLIB_EXTRACT_FLAG_HARDLINK;
 456                         break;
 457                 case 's':
 458                         extract_flags |= WIMLIB_EXTRACT_FLAG_SYMLINK;
 459                         break;
 460                 case 'v':
 461                         extract_flags |= WIMLIB_EXTRACT_FLAG_VERBOSE;
 462                         break;
 463                 default:
 464                         usage(APPLY);
 465                         return -1;
 466                 }
 467         }
 468         argc -= optind;
 469         argv += optind;
 470         if (argc != 2 && argc != 3) {
 471                 usage(APPLY);
 472                 return -1;
 473         }
 474
 475         wimfile = argv[0];
 476         if (argc == 2) {
 477                 image_num_or_name =  "1";
 478                 dir = argv[1];
 479         } else {
 480                 image_num_or_name = argv[1];
 481                 dir = argv[2];
 482         }
 483
 484         ret = wimlib_open_wim(wimfile, open_flags, &w);
 485         if (ret != 0)
 486                 goto out;
 487
 488         image = wimlib_resolve_image(w, image_num_or_name);
 489         ret = verify_image_exists(image);
 490         if (ret != 0)
 491                 goto out;
 492
 493         num_images = wimlib_get_num_images(w);
 494         if (argc == 2 && num_images != 1) {
 495                 imagex_error("`%s' contains %d images; Please select one "
 496                              "(or all)", wimfile, num_images);
 497                 usage(APPLY);
 498                 ret = -1;
 499                 goto out;
 500         }
 501
 502 #ifdef WITH_NTFS_3G
 503         struct stat stbuf;
 504
 505         ret = stat(dir, &stbuf);
 506         if (ret == 0) {
 507                 if (S_ISBLK(stbuf.st_mode) || S_ISREG(stbuf.st_mode)) {
 508                         const char *ntfs_device = dir;
 509                         printf("Applying image %d of `%s' to NTFS filesystem on `%s'\n",
 510                                image, wimfile, ntfs_device);
 511                         ret = wimlib_apply_image_to_ntfs_volume(w, image,
 512                                                                 ntfs_device,
 513                                                                 extract_flags);
 514                         goto out;
 515                 }
 516         } else {
 517                 if (errno != -ENOENT)
 518                         imagex_error_with_errno("Failed to stat `%s'", dir);
 519         }
 520 #endif
 521
 522         ret = wimlib_extract_image(w, image, dir, extract_flags);
 523 out:
 524         wimlib_free(w);
 525         return ret;
 526 }
 527
 528
 529 /* Create a WIM file from a directory. */
 530 static int imagex_capture(int argc, const char **argv)
 531 {
 532         int c;
 533         int add_image_flags = 0;
 534         int write_flags = WIMLIB_WRITE_FLAG_SHOW_PROGRESS;
 535         int compression_type = WIM_COMPRESSION_TYPE_XPRESS;
 536         const char *flags_element = NULL;
 537         const char *dir;
 538         const char *wimfile;
 539         const char *name;
 540         const char *desc;
 541         const char *config_file = NULL;
 542         const char *config_str = NULL;
 543         size_t config_len = 0;
 544         WIMStruct *w;
 545         int ret;
 546
 547         for_opt(c, capture_options) {
 548                 switch (c) {
 549                 case 'b':
 550                         add_image_flags |= WIMLIB_ADD_IMAGE_FLAG_BOOT;
 551                         break;
 552                 case 'c':
 553                         write_flags |= WIMLIB_WRITE_FLAG_CHECK_INTEGRITY;
 554                         break;
 555                 case 'C':
 556                         config_file = optarg;
 557                         break;
 558                 case 'x':
 559                         compression_type = get_compression_type(optarg);
 560                         if (compression_type == WIM_COMPRESSION_TYPE_INVALID)
 561                                 return -1;
 562                         break;
 563                 case 'f':
 564                         flags_element = optarg;
 565                         break;
 566                 case 'v':
 567                         add_image_flags |= WIMLIB_ADD_IMAGE_FLAG_VERBOSE;
 568                         write_flags |= WIMLIB_WRITE_FLAG_VERBOSE;
 569                         break;
 570                 case 'L':
 571                         add_image_flags |= WIMLIB_ADD_IMAGE_FLAG_DEREFERENCE;
 572                         break;
 573                 default:
 574                         usage(CAPTURE);
 575                         return -1;
 576                 }
 577         }
 578
 579         argc -= optind;
 580         argv += optind;
 581         if (argc < 2 || argc > 4) {
 582                 usage(CAPTURE);
 583                 return -1;
 584         }
 585         dir     = argv[0];
 586         wimfile = argv[1];
 587         name    = (argc >= 3) ? argv[2] : dir;
 588         desc    = (argc >= 4) ? argv[3] : NULL;
 589
 590         if (config_file) {
 591                 config_str = file_get_contents(config_file, &config_len);
 592                 if (!config_str)
 593                         return -1;
 594         }
 595
 596         ret = wimlib_create_new_wim(compression_type, &w);
 597         if (ret != 0)
 598                 return ret;
 599
 600 #ifdef WITH_NTFS_3G
 601         struct stat stbuf;
 602
 603         ret = stat(dir, &stbuf);
 604         if (ret == 0) {
 605                 if (S_ISBLK(stbuf.st_mode) || S_ISREG(stbuf.st_mode)) {
 606                         const char *ntfs_device = dir;
 607                         printf("Capturing WIM image NTFS filesystem on `%s'\n",
 608                                ntfs_device);
 609                         ret = wimlib_add_image_from_ntfs_volume(w, ntfs_device,
 610                                                                 name, desc,
 611                                                                 flags_element,
 612                                                                 config_str,
 613                                                                 config_len,
 614                                                                 add_image_flags);
 615                         goto out_write;
 616                 }
 617         } else {
 618                 if (errno != -ENOENT)
 619                         imagex_error_with_errno("Failed to stat `%s'", dir);
 620         }
 621 #endif
 622         ret = wimlib_add_image(w, dir, name, desc, flags_element, config_str,
 623                                config_len, add_image_flags);
 624
 625 out_write:
 626         if (ret != 0) {
 627                 imagex_error("Failed to add the image `%s'", dir);
 628                 goto out;
 629         }
 630
 631         ret = wimlib_write(w, wimfile, WIM_ALL_IMAGES, write_flags);
 632         if (ret != 0)
 633                 imagex_error("Failed to write the WIM file `%s'", wimfile);
 634 out:
 635         wimlib_free(w);
 636         return ret;
 637 }
 638
 639 /* Remove image(s) from a WIM. */
 640 static int imagex_delete(int argc, const char **argv)
 641 {
 642         int c;
 643         int open_flags = WIMLIB_OPEN_FLAG_SHOW_PROGRESS;
 644         int write_flags = WIMLIB_WRITE_FLAG_SHOW_PROGRESS;
 645         const char *wimfile;
 646         const char *image_num_or_name;
 647         WIMStruct *w;
 648         int image;
 649         int ret;
 650
 651         for_opt(c, delete_options) {
 652                 switch (c) {
 653                 case 'c':
 654                         open_flags |= WIMLIB_OPEN_FLAG_CHECK_INTEGRITY;
 655                         write_flags |= WIMLIB_WRITE_FLAG_CHECK_INTEGRITY;
 656                         break;
 657                 default:
 658                         usage(DELETE);
 659                         return -1;
 660                 }
 661         }
 662         argc -= optind;
 663         argv += optind;
 664
 665         if (argc != 2) {
 666                 if (argc < 1)
 667                         imagex_error("Must specify a WIM file");
 668                 if (argc < 2)
 669                         imagex_error("Must specify an image");
 670                 usage(DELETE);
 671                 return -1;
 672         }
 673         wimfile = argv[0];
 674         image_num_or_name = argv[1];
 675
 676         ret = wimlib_open_wim(wimfile, open_flags, &w);
 677         if (ret != 0)
 678                 return ret;
 679
 680         image = wimlib_resolve_image(w, image_num_or_name);
 681
 682         ret = verify_image_exists(image);
 683         if (ret != 0)
 684                 goto done;
 685
 686         ret = wimlib_delete_image(w, image);
 687         if (ret != 0) {
 688                 imagex_error("Failed to delete image from `%s'", wimfile);
 689                 goto done;
 690         }
 691
 692         ret = wimlib_overwrite(w, write_flags);
 693         if (ret != 0) {
 694                 imagex_error("Failed to write the file `%s' with image "
 695                              "deleted", wimfile);
 696         }
 697 done:
 698         wimlib_free(w);
 699         return ret;
 700 }
 701
 702 /* Print the files contained in an image(s) in a WIM file. */
 703 static int imagex_dir(int argc, const char **argv)
 704 {
 705         const char *wimfile;
 706         WIMStruct *w;
 707         int image;
 708         int ret;
 709         int num_images;
 710         int part_number;
 711
 712         if (argc < 2) {
 713                 imagex_error("Must specify a WIM file");
 714                 usage(DIR);
 715                 return -1;
 716         }
 717         if (argc > 3) {
 718                 imagex_error("Too many arguments");
 719                 usage(DIR);
 720                 return -1;
 721         }
 722
 723         wimfile = argv[1];
 724         ret = wimlib_open_wim(wimfile, WIMLIB_OPEN_FLAG_SPLIT_OK, &w);
 725         if (ret != 0)
 726                 return ret;
 727
 728         part_number = wimlib_get_part_number(w, NULL);
 729         if (part_number != 1) {
 730                 imagex_error("`%s' is part %d of a split WIM!  Specify the "
 731                              "first part to see the files",
 732                              wimfile, part_number);
 733                 ret = WIMLIB_ERR_SPLIT_UNSUPPORTED;
 734                 goto done;
 735         }
 736
 737         if (argc == 3) {
 738                 image = wimlib_resolve_image(w, argv[2]);
 739                 ret = verify_image_exists(image);
 740                 if (ret != 0)
 741                         goto done;
 742         } else {
 743                 /* Image was not specified.  If the WIM only contains one image,
 744                  * choose that one; otherwise, print an error. */
 745                 num_images = wimlib_get_num_images(w);
 746                 if (num_images != 1) {
 747                         imagex_error("The file `%s' contains %d images; Please "
 748                                      "select one.", wimfile, num_images);
 749                         usage(DIR);
 750                         ret = -1;
 751                         goto done;
 752                 }
 753                 image = 1;
 754         }
 755
 756         ret = wimlib_print_files(w, image);
 757 done:
 758         wimlib_free(w);
 759         return ret;
 760 }
 761
 762 /* Exports one, or all, images from a WIM file to a new WIM file or an existing
 763  * WIM file. */
 764 static int imagex_export(int argc, const char **argv)
 765 {
 766         int c;
 767         int open_flags = WIMLIB_OPEN_FLAG_SHOW_PROGRESS;
 768         int export_flags = 0;
 769         int write_flags = WIMLIB_WRITE_FLAG_SHOW_PROGRESS;
 770         int compression_type = WIM_COMPRESSION_TYPE_XPRESS;
 771         bool compression_type_specified = false;
 772         const char *src_wimfile;
 773         const char *src_image_num_or_name;
 774         const char *dest_wimfile;
 775         const char *dest_name;
 776         const char *dest_desc;
 777         WIMStruct *src_w = NULL;
 778         WIMStruct *dest_w = NULL;
 779         int ret;
 780         int image;
 781         struct stat stbuf;
 782         bool wim_is_new;
 783
 784         for_opt(c, export_options) {
 785                 switch (c) {
 786                 case 'b':
 787                         export_flags |= WIMLIB_EXPORT_FLAG_BOOT;
 788                         break;
 789                 case 'c':
 790                         open_flags |= WIMLIB_OPEN_FLAG_CHECK_INTEGRITY;
 791                         write_flags |= WIMLIB_WRITE_FLAG_CHECK_INTEGRITY;
 792                         break;
 793                 case 'x':
 794                         compression_type = get_compression_type(optarg);
 795                         if (compression_type == WIM_COMPRESSION_TYPE_INVALID)
 796                                 return -1;
 797                         compression_type_specified = true;
 798                         break;
 799                 default:
 800                         usage(EXPORT);
 801                         return -1;
 802                 }
 803         }
 804         argc -= optind;
 805         argv += optind;
 806         if (argc < 3 || argc > 5) {
 807                 usage(EXPORT);
 808                 return -1;
 809         }
 810         src_wimfile           = argv[0];
 811         src_image_num_or_name = argv[1];
 812         dest_wimfile          = argv[2];
 813         dest_name             = (argc >= 4) ? argv[3] : NULL;
 814         dest_desc             = (argc >= 5) ? argv[4] : NULL;
 815         ret = wimlib_open_wim(src_wimfile, open_flags, &src_w);
 816         if (ret != 0)
 817                 return ret;
 818
 819         /* Determine if the destination is an existing file or not.
 820          * If so, we try to append the exported image(s) to it; otherwise, we
 821          * create a new WIM containing the exported image(s). */
 822         if (stat(dest_wimfile, &stbuf) == 0) {
 823                 wim_is_new = false;
 824                 /* Destination file exists. */
 825                 if (!S_ISREG(stbuf.st_mode) && !S_ISLNK(stbuf.st_mode)) {
 826                         imagex_error("`%s' is not a regular file",
 827                                         dest_wimfile);
 828                         goto done;
 829                 }
 830                 ret = wimlib_open_wim(dest_wimfile, open_flags, &dest_w);
 831                 if (ret != 0)
 832                         goto done;
 833
 834                 if (compression_type_specified && compression_type !=
 835                                 wimlib_get_compression_type(dest_w)) {
 836                         imagex_error("Cannot specify a compression type that is "
 837                                      "not the same as that used in the "
 838                                      "destination WIM");
 839                         ret = -1;
 840                         goto done;
 841                 }
 842                 compression_type = wimlib_get_compression_type(dest_w);
 843         } else {
 844                 wim_is_new = true;
 845                 /* dest_wimfile is not an existing file, so create a new WIM. */
 846                 if (errno == ENOENT) {
 847                         ret = wimlib_create_new_wim(compression_type, &dest_w);
 848                         if (ret != 0)
 849                                 goto done;
 850                 } else {
 851                         imagex_error_with_errno("Cannot stat file `%s'",
 852                                                 dest_wimfile);
 853                         goto done;
 854                 }
 855         }
 856
 857         image = wimlib_resolve_image(src_w, src_image_num_or_name);
 858         ret = verify_image_exists(image);
 859         if (ret != 0)
 860                 goto done;
 861
 862         ret = wimlib_export_image(src_w, image, dest_w, dest_name, dest_desc,
 863                                   export_flags);
 864         if (ret != 0)
 865                 goto done;
 866
 867
 868         if (wim_is_new)
 869                 ret = wimlib_write(dest_w, dest_wimfile, WIM_ALL_IMAGES,
 870                                    write_flags);
 871         else
 872                 ret = wimlib_overwrite(dest_w, write_flags);
 873 done:
 874         wimlib_free(src_w);
 875         wimlib_free(dest_w);
 876         return ret;
 877 }
 878
 879 /* Prints information about a WIM file; also can mark an image as bootable,
 880  * change the name of an image, or change the description of an image. */
 881 static int imagex_info(int argc, const char **argv)
 882 {
 883         int c;
 884         bool boot         = false;
 885         bool check        = false;
 886         bool header       = false;
 887         bool lookup_table = false;
 888         bool xml          = false;
 889         bool metadata     = false;
 890         bool short_header = true;
 891         const char *xml_out_file = NULL;
 892         const char *wimfile;
 893         const char *image_num_or_name = "all";
 894         const char *new_name = NULL;
 895         const char *new_desc = NULL;
 896         WIMStruct *w;
 897         FILE *fp;
 898         int image;
 899         int ret;
 900         int open_flags = WIMLIB_OPEN_FLAG_SHOW_PROGRESS |
 901                          WIMLIB_OPEN_FLAG_SPLIT_OK;
 902         int part_number;
 903         int total_parts;
 904
 905         for_opt(c, info_options) {
 906                 switch (c) {
 907                 case 'b':
 908                         boot = true;
 909                         break;
 910                 case 'c':
 911                         check = true;
 912                         break;
 913                 case 'h':
 914                         header = true;
 915                         short_header = false;
 916                         break;
 917                 case 'l':
 918                         lookup_table = true;
 919                         short_header = false;
 920                         break;
 921                 case 'x':
 922                         xml = true;
 923                         short_header = false;
 924                         break;
 925                 case 'X':
 926                         xml_out_file = optarg;
 927                         short_header = false;
 928                         break;
 929                 case 'm':
 930                         metadata = true;
 931                         short_header = false;
 932                         break;
 933                 default:
 934                         usage(INFO);
 935                         return -1;
 936                 }
 937         }
 938
 939         argc -= optind;
 940         argv += optind;
 941         if (argc == 0 || argc > 4) {
 942                 usage(INFO);
 943                 return -1;
 944         }
 945         wimfile = argv[0];
 946         if (argc > 1) {
 947                 image_num_or_name = argv[1];
 948                 if (argc > 2) {
 949                         new_name = argv[2];
 950                         if (argc > 3) {
 951                                 new_desc = argv[3];
 952                         }
 953                 }
 954         }
 955
 956         if (check)
 957                 open_flags |= WIMLIB_OPEN_FLAG_CHECK_INTEGRITY;
 958
 959         ret = wimlib_open_wim(wimfile, open_flags, &w);
 960         if (ret != 0)
 961                 return ret;
 962
 963         part_number = wimlib_get_part_number(w, &total_parts);
 964
 965         /*if (total_parts > 1 && part_number > 1) {*/
 966                 /*printf("Warning: this is part %d of a %d-part split WIM.\n"*/
 967                        /*"         Select the first part if you want to see information\n"*/
 968                        /*"         about images in the WIM.\n", */
 969                        /*part_number, total_parts);*/
 970         /*}*/
 971
 972         image = wimlib_resolve_image(w, image_num_or_name);
 973         if (image == WIM_NO_IMAGE && strcmp(image_num_or_name, "0") != 0) {
 974                 imagex_error("The image `%s' does not exist",
 975                                                 image_num_or_name);
 976                 if (boot)
 977                         imagex_error("If you would like to set the boot "
 978                                      "index to 0, specify image \"0\" with "
 979                                      "the --boot flag.");
 980                 ret = WIMLIB_ERR_INVALID_IMAGE;
 981                 goto done;
 982         }
 983
 984         if (image == WIM_ALL_IMAGES && wimlib_get_num_images(w) > 1) {
 985                 if (boot) {
 986                         imagex_error("Cannot specify the --boot flag "
 987                                      "without specifying a specific "
 988                                      "image in a multi-image WIM");
 989                         ret = WIMLIB_ERR_INVALID_IMAGE;
 990                         goto done;
 991                 }
 992                 if (new_name) {
 993                         imagex_error("Cannot specify the NEW_NAME "
 994                                      "without specifying a specific "
 995                                      "image in a multi-image WIM");
 996                         ret = WIMLIB_ERR_INVALID_IMAGE;
 997                         goto done;
 998                 }
 999         }
1000
1001         /* Operations that print information are separated from operations that
1002          * recreate the WIM file. */
1003         if (!new_name && !boot) {
1004
1005                 if (image == WIM_NO_IMAGE) {
1006                         imagex_error("`%s' is not a valid image",
1007                                      image_num_or_name);
1008                         ret = WIMLIB_ERR_INVALID_IMAGE;
1009                         goto done;
1010                 }
1011
1012                 if (image == WIM_ALL_IMAGES && short_header)
1013                         wimlib_print_wim_information(w);
1014
1015                 if (header)
1016                         wimlib_print_header(w);
1017
1018                 if (lookup_table) {
1019                         if (total_parts != 1) {
1020                                 printf("Warning: Only showing the lookup table "
1021                                        "for part %d of a %d-part WIM.\n",
1022                                        part_number, total_parts);
1023                         }
1024                         wimlib_print_lookup_table(w);
1025                 }
1026
1027                 if (xml) {
1028                         ret = wimlib_extract_xml_data(w, stdout);
1029                         if (ret != 0)
1030                                 goto done;
1031                 }
1032
1033                 if (xml_out_file) {
1034                         fp = fopen(xml_out_file, "wb");
1035                         if (!fp) {
1036                                 imagex_error_with_errno("Failed to open the "
1037                                                         "file `%s' for "
1038                                                         "writing ",
1039                                                         xml_out_file);
1040                                 goto done;
1041                         }
1042                         ret = wimlib_extract_xml_data(w, fp);
1043                         if (fclose(fp) != 0) {
1044                                 imagex_error("Failed to close the file `%s'",
1045                                              xml_out_file);
1046                                 goto done;
1047                         }
1048
1049                         if (ret != 0)
1050                                 goto done;
1051                 }
1052
1053                 if (short_header)
1054                         wimlib_print_available_images(w, image);
1055
1056                 if (metadata) {
1057                         if (total_parts != 1 && part_number != 1) {
1058                                 imagex_error("Select part 1 of this %d-part WIM "
1059                                              "to see the image metadata",
1060                                              total_parts);
1061                                 return WIMLIB_ERR_SPLIT_UNSUPPORTED;
1062                         }
1063                         ret = wimlib_print_metadata(w, image);
1064                         if (ret != 0)
1065                                 goto done;
1066                 }
1067         } else {
1068                 if (total_parts != 1) {
1069                         imagex_error("Modifying a split WIM is not supported.");
1070                         return -1;
1071                 }
1072                 if (image == WIM_ALL_IMAGES)
1073                         image = 1;
1074
1075                 if (image == WIM_NO_IMAGE && new_name) {
1076                         imagex_error("Cannot specify new_name (`%s') when "
1077                                      "using image 0", new_name);
1078                         return -1;
1079                 }
1080
1081                 if (boot) {
1082                         if (image == wimlib_get_boot_idx(w)) {
1083                                 printf("Image %d is already marked as "
1084                                        "bootable.\n", image);
1085                                 boot = false;
1086                         } else {
1087                                 printf("Marking image %d as bootable.\n",
1088                                        image);
1089                                 wimlib_set_boot_idx(w, image);
1090                         }
1091                 }
1092                 if (new_name) {
1093                         if (strcmp(wimlib_get_image_name(w, image),
1094                                                 new_name) == 0) {
1095                                 printf("Image %d is already named \"%s\".\n",
1096                                        image, new_name);
1097                                 new_name = NULL;
1098                         } else {
1099                                 printf("Changing the name of image %d to "
1100                                        "\"%s\".\n", image, new_name);
1101                                 ret = wimlib_set_image_name(w, image, new_name);
1102                                 if (ret != 0)
1103                                         goto done;
1104                         }
1105                 }
1106                 if (new_desc) {
1107                         const char *old_desc;
1108                         old_desc = wimlib_get_image_description(w, image);
1109                         if (old_desc && strcmp(old_desc, new_desc) == 0) {
1110                                 printf("The description of image %d is already "
1111                                        "\"%s\".\n", image, new_desc);
1112                                 new_desc = NULL;
1113                         } else {
1114                                 printf("Changing the description of image %d "
1115                                        "to \"%s\".\n", image, new_desc);
1116                                 ret = wimlib_set_image_descripton(w, image,
1117                                                                   new_desc);
1118                                 if (ret != 0)
1119                                         goto done;
1120                         }
1121                 }
1122
1123                 /* Only call wimlib_overwrite_xml_and_header() if something
1124                  * actually needs to be changed. */
1125                 if (boot || new_name || new_desc ||
1126                                 check != wimlib_has_integrity_table(w)) {
1127
1128                         ret = wimlib_overwrite_xml_and_header(w, check ?
1129                                         WIMLIB_WRITE_FLAG_CHECK_INTEGRITY |
1130                                         WIMLIB_WRITE_FLAG_SHOW_PROGRESS : 0);
1131                 } else {
1132                         printf("The file `%s' was not modified because nothing "
1133                                         "needed to be done.\n", wimfile);
1134                         ret = 0;
1135                 }
1136         }
1137
1138 done:
1139         wimlib_free(w);
1140         return ret;
1141 }
1142
1143 /* Join split WIMs into one part WIM */
1144 static int imagex_join(int argc, const char **argv)
1145 {
1146         int c;
1147         int flags = WIMLIB_OPEN_FLAG_SPLIT_OK | WIMLIB_OPEN_FLAG_SHOW_PROGRESS;
1148         const char *output_path;
1149
1150         for_opt(c, join_options) {
1151                 switch (c) {
1152                 case 'c':
1153                         flags |= WIMLIB_OPEN_FLAG_CHECK_INTEGRITY;
1154                         break;
1155                 default:
1156                         goto err;
1157                 }
1158         }
1159         argc -= optind;
1160         argv += optind;
1161
1162         if (argc < 2) {
1163                 imagex_error("Must specify at least one split WIM (.swm) parts "
1164                              "to join");
1165                 goto err;
1166         }
1167         output_path = argv[0];
1168         return wimlib_join(++argv, --argc, output_path, flags);
1169 err:
1170         usage(JOIN);
1171         return -1;
1172 }
1173
1174 /* Mounts an image using a FUSE mount. */
1175 static int imagex_mount_rw_or_ro(int argc, const char **argv)
1176 {
1177         int c;
1178         int mount_flags = 0;
1179         int open_flags = WIMLIB_OPEN_FLAG_SHOW_PROGRESS;
1180         const char *wimfile;
1181         const char *dir;
1182         WIMStruct *w;
1183         int image;
1184         int num_images;
1185         int ret;
1186
1187         if (strcmp(argv[0], "mountrw") == 0)
1188                 mount_flags |= WIMLIB_MOUNT_FLAG_READWRITE;
1189         for_opt(c, mount_options) {
1190                 switch (c) {
1191                 case 'c':
1192                         open_flags |= WIMLIB_OPEN_FLAG_CHECK_INTEGRITY;
1193                         break;
1194                 case 'd':
1195                         mount_flags |= WIMLIB_MOUNT_FLAG_DEBUG;
1196                         break;
1197                 case 's':
1198                         if (strcasecmp(optarg, "none") == 0)
1199                                 mount_flags |= WIMLIB_MOUNT_FLAG_STREAM_INTERFACE_NONE;
1200                         else if (strcasecmp(optarg, "xattr") == 0)
1201                                 mount_flags |= WIMLIB_MOUNT_FLAG_STREAM_INTERFACE_XATTR;
1202                         else if (strcasecmp(optarg, "windows") == 0)
1203                                 mount_flags |= WIMLIB_MOUNT_FLAG_STREAM_INTERFACE_WINDOWS;
1204                         else {
1205                                 imagex_error("Unknown stream interface \"%s\"", optarg);
1206                                 goto mount_usage;
1207                         }
1208                         break;
1209                 default:
1210                         goto mount_usage;
1211                 }
1212         }
1213         argc -= optind;
1214         argv += optind;
1215         if (argc != 2 && argc != 3)
1216                 goto mount_usage;
1217
1218         wimfile = argv[0];
1219
1220         ret = wimlib_open_wim(wimfile, open_flags, &w);
1221         if (ret != 0)
1222                 return ret;
1223
1224         if (argc == 2) {
1225                 image = 1;
1226                 num_images = wimlib_get_num_images(w);
1227                 if (num_images != 1) {
1228                         imagex_error("The file `%s' contains %d images; Please "
1229                                      "select one", wimfile, num_images);
1230                         usage((mount_flags & WIMLIB_MOUNT_FLAG_READWRITE)
1231                                         ? MOUNTRW : MOUNT);
1232                         ret = WIMLIB_ERR_INVALID_IMAGE;
1233                         goto done;
1234                 }
1235                 dir = argv[1];
1236         } else {
1237                 image = wimlib_resolve_image(w, argv[1]);
1238                 dir = argv[2];
1239         }
1240
1241         ret = verify_image_exists_and_is_single(image);
1242         if (ret != 0)
1243                 goto done;
1244
1245         ret = wimlib_mount(w, image, dir, mount_flags);
1246         if (ret != 0) {
1247                 imagex_error("Failed to mount image %d from `%s' on `%s'",
1248                              image, wimfile, dir);
1249
1250         }
1251 done:
1252         wimlib_free(w);
1253         return ret;
1254 mount_usage:
1255         usage((mount_flags & WIMLIB_MOUNT_FLAG_READWRITE)
1256                         ? MOUNTRW : MOUNT);
1257         return -1;
1258 }
1259
1260 /* Split a WIM into a spanned set */
1261 static int imagex_split(int argc, const char **argv)
1262 {
1263         int c;
1264         int flags = WIMLIB_OPEN_FLAG_SHOW_PROGRESS;
1265         unsigned long part_size;
1266
1267         for_opt(c, split_options) {
1268                 switch (c) {
1269                 case 'c':
1270                         flags |= WIMLIB_OPEN_FLAG_CHECK_INTEGRITY;
1271                         break;
1272                 default:
1273                         usage(SPLIT);
1274                         return -1;
1275                 }
1276         }
1277         argc -= optind;
1278         argv += optind;
1279
1280         if (argc != 3) {
1281                 usage(SPLIT);
1282                 return -1;
1283         }
1284         part_size = strtoul(argv[2], NULL, 10) * (1 << 20);
1285         return wimlib_split(argv[0], argv[1], part_size, flags);
1286 }
1287
1288 /* Unmounts an image. */
1289 static int imagex_unmount(int argc, const char **argv)
1290 {
1291         int c;
1292         int unmount_flags = 0;
1293         int ret;
1294
1295         for_opt(c, unmount_options) {
1296                 switch (c) {
1297                 case 'c':
1298                         unmount_flags |= WIMLIB_UNMOUNT_FLAG_COMMIT;
1299                         break;
1300                 case 'C':
1301                         unmount_flags |= WIMLIB_UNMOUNT_FLAG_CHECK_INTEGRITY;
1302                         break;
1303                 default:
1304                         usage(UNMOUNT);
1305                         return -1;
1306                 }
1307         }
1308         argc -= optind;
1309         argv += optind;
1310         if (argc != 1) {
1311                 usage(UNMOUNT);
1312                 return -1;
1313         }
1314
1315         ret = wimlib_unmount(argv[0], unmount_flags);
1316         if (ret != 0)
1317                 imagex_error("Failed to unmount `%s'", argv[0]);
1318         return ret;
1319 }
1320
1321 struct imagex_command {
1322         const char *name;
1323         int (*func)(int , const char **);
1324         int cmd;
1325 };
1326
1327 static struct imagex_command imagex_commands[] = {
1328         {"append",  imagex_append,         APPEND},
1329         {"apply",   imagex_apply,          APPLY},
1330         {"capture", imagex_capture,        CAPTURE},
1331         {"delete",  imagex_delete,         DELETE},
1332         {"dir",     imagex_dir,            DIR},
1333         {"export",  imagex_export,         EXPORT},
1334         {"info",    imagex_info,           INFO},
1335         {"join",    imagex_join,           JOIN},
1336         {"mount",   imagex_mount_rw_or_ro, MOUNT},
1337         {"mountrw", imagex_mount_rw_or_ro, MOUNTRW},
1338         {"split",   imagex_split,          SPLIT},
1339         {"unmount", imagex_unmount,        UNMOUNT},
1340 };
1341
1342 #define for_imagex_command(p) for (p = &imagex_commands[0]; \
1343                 p != &imagex_commands[ARRAY_LEN(imagex_commands)]; p++)
1344
1345 static void help_or_version(int argc, const char **argv)
1346 {
1347         int i;
1348         const char *p;
1349         struct imagex_command *cmd;
1350
1351         for (i = 1; i < argc; i++) {
1352                 p = argv[i];
1353                 if (*p == '-')
1354                         p++;
1355                 else
1356                         continue;
1357                 if (*p == '-')
1358                         p++;
1359                 if (strcmp(p, "help") == 0 || (*p == '?' && *(p + 1) == '\0')) {
1360                         for_imagex_command(cmd) {
1361                                 if (strcmp(cmd->name, argv[1]) == 0) {
1362                                         usage(cmd->cmd);
1363                                         exit(0);
1364                                 }
1365                         }
1366                         usage_all();
1367                         exit(0);
1368                 }
1369                 if (strcmp(p, "version") == 0) {
1370                         version();
1371                         exit(0);
1372                 }
1373         }
1374 }
1375
1376
1377 int main(int argc, const char **argv)
1378 {
1379         struct imagex_command *cmd;
1380         int ret;
1381
1382         if (argc < 2) {
1383                 imagex_error("No command specified");
1384                 usage_all();
1385                 return 1;
1386         }
1387
1388         help_or_version(argc, argv);
1389         argc--;
1390         argv++;
1391
1392         wimlib_set_print_errors(true);
1393
1394         for_imagex_command(cmd) {
1395                 if (strcmp(cmd->name, *argv) == 0) {
1396                         ret = cmd->func(argc, argv);
1397                         if (ret > 0) {
1398                                 imagex_error("Exiting with error code %d:\n"
1399                                              "       %s.", ret,
1400                                              wimlib_get_error_string(ret));
1401                                 if (ret == WIMLIB_ERR_NTFS_3G)
1402                                         imagex_error_with_errno("errno");
1403                         }
1404                         return ret;
1405                 }
1406         }
1407
1408         imagex_error("Unrecognized command: `%s'", argv[0]);
1409         usage_all();
1410         return 1;
1411 }
1412 /*#ifndef WITH_NTFS_3G*/
1413                 /*ERROR("wimlib was not compiled with support for NTFS-3g, so we cannot extract");*/
1414                 /*ERROR("a WIM to a NTFS filesystem while preserving NTFS-specific metadata.");*/
1415                 /*ERROR("Please apply the WIM to a directory rather than a block device, ");*/
1416                 /*ERROR("and without the NTFS flag; or compile in support for NTFS-3g.");*/
1417                 /*return WIMLIB_ERR_UNSUPPORTED;*/
1418 /*#endif*/