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         {"verbose",     no_argument,       NULL, 'v'},
 132         {"dereference", no_argument,       NULL, 'L'},
 133         {"config",      required_argument, NULL, 'C'},
 134         {NULL, 0, NULL, 0},
 135 };
 136 static const struct option apply_options[] = {
 137         {"check",    no_argument,       NULL, 'c'},
 138         {"hardlink", no_argument,       NULL, 'h'},
 139         {"symlink",  no_argument,       NULL, 's'},
 140         {"verbose",  no_argument,       NULL, 'v'},
 141         {NULL, 0, NULL, 0},
 142 };
 143 static const struct option capture_options[] = {
 144         {"boot",        no_argument,       NULL, 'b'},
 145         {"check",       no_argument,       NULL, 'c'},
 146         {"compress",    optional_argument, NULL, 'x'},
 147         {"flags",       required_argument, NULL, 'f'},
 148         {"verbose",     no_argument,       NULL, 'v'},
 149         {"dereference", no_argument,       NULL, 'L'},
 150         {"config",      required_argument, NULL, 'C'},
 151         {NULL, 0, NULL, 0},
 152 };
 153 static const struct option delete_options[] = {
 154         {"check", no_argument, NULL, 'c'},
 155         {NULL, 0, NULL, 0},
 156 };
 157
 158 static const struct option export_options[] = {
 159         {"boot",       no_argument, NULL, 'b'},
 160         {"check",      no_argument , NULL, 'c'},
 161         {"compress",   optional_argument, NULL, 'x'},
 162         {NULL, 0, NULL, 0},
 163 };
 164
 165 static const struct option info_options[] = {
 166         {"boot",         no_argument, NULL, 'b'},
 167         {"check",        no_argument, NULL, 'c'},
 168         {"header",       no_argument, NULL, 'h'},
 169         {"lookup-table", no_argument, NULL, 'l'},
 170         {"xml",          no_argument, NULL, 'x'},
 171         {"extract-xml",  required_argument, NULL, 'X'},
 172         {"metadata",     no_argument, NULL, 'm'},
 173         {NULL, 0, NULL, 0},
 174 };
 175
 176 static const struct option join_options[] = {
 177         {"check", no_argument, NULL, 'c'},
 178         {NULL, 0, NULL, 0},
 179 };
 180
 181 static const struct option mount_options[] = {
 182         {"check", no_argument, NULL, 'c'},
 183         {"debug", no_argument, NULL, 'd'},
 184         {"stream-interface", required_argument, NULL, 's'},
 185         {NULL, 0, NULL, 0},
 186 };
 187
 188 static const struct option split_options[] = {
 189         {"check", no_argument, NULL, 'c'},
 190         {NULL, 0, NULL, 0},
 191 };
 192
 193 static const struct option unmount_options[] = {
 194         {"commit", no_argument, NULL, 'c'},
 195         {"check", no_argument, NULL, 'C'},
 196         {NULL, 0, NULL, 0},
 197 };
 198
 199
 200 /* Print formatted error message to stderr. */
 201 static void imagex_error(const char *format, ...)
 202 {
 203         va_list va;
 204         va_start(va, format);
 205         fputs("ERROR: ", stderr);
 206         vfprintf(stderr, format, va);
 207         putc('\n', stderr);
 208         va_end(va);
 209 }
 210
 211 /* Print formatted error message to stderr. */
 212 static void imagex_error_with_errno(const char *format, ...)
 213 {
 214         int errno_save = errno;
 215         va_list va;
 216         va_start(va, format);
 217         fputs("ERROR: ", stderr);
 218         vfprintf(stderr, format, va);
 219         fprintf(stderr, ": %s\n", strerror(errno_save));
 220         va_end(va);
 221 }
 222
 223
 224 static inline void version()
 225 {
 226         static const char *s =
 227         "imagex (" PACKAGE ") " PACKAGE_VERSION "\n"
 228         "Copyright (C) 2012 Eric Biggers\n"
 229         "License GPLv3+; GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>.\n"
 230         "This is free software: you are free to change and redistribute it.\n"
 231         "There is NO WARRANTY, to the extent permitted by law.\n"
 232         "\n"
 233         "Report bugs to "PACKAGE_BUGREPORT".\n";
 234         fputs(s, stdout);
 235 }
 236
 237 static inline void usage(int cmd)
 238 {
 239         puts("IMAGEX: Usage:");
 240         fputs(usage_strings[cmd], stdout);
 241 }
 242
 243 static void usage_all()
 244 {
 245         puts("IMAGEX: Usage:");
 246         for (int i = 0; i < ARRAY_LEN(usage_strings); i++)
 247                 fputs(usage_strings[i], stdout);
 248         static const char *extra =
 249 "    imagex --help\n"
 250 "    imagex --version\n"
 251 "\n"
 252 "    The compression TYPE may be \"maximum\", \"fast\", or \"none\".\n"
 253         ;
 254         fputs(extra, stdout);
 255 }
 256
 257 static int verify_image_exists(int image)
 258 {
 259         if (image == WIM_NO_IMAGE) {
 260                 imagex_error("Not a valid image");
 261                 return WIMLIB_ERR_INVALID_IMAGE;
 262         }
 263         return 0;
 264 }
 265
 266 static int verify_image_is_single(int image)
 267 {
 268         if (image == WIM_ALL_IMAGES) {
 269                 imagex_error("Cannot specify all images for this action");
 270                 return WIMLIB_ERR_INVALID_IMAGE;
 271         }
 272         return 0;
 273 }
 274
 275 static int verify_image_exists_and_is_single(int image)
 276 {
 277         int ret;
 278         ret = verify_image_exists(image);
 279         if (ret == 0)
 280                 ret = verify_image_is_single(image);
 281         return ret;
 282 }
 283
 284 static int get_compression_type(const char *optarg)
 285 {
 286         if (!optarg)
 287                 return WIM_COMPRESSION_TYPE_XPRESS;
 288         if (strcasecmp(optarg, "maximum") == 0 || strcasecmp(optarg, "lzx") == 0)
 289                 return WIM_COMPRESSION_TYPE_LZX;
 290         else if (strcasecmp(optarg, "fast") == 0 || strcasecmp(optarg, "xpress") == 0)
 291                 return WIM_COMPRESSION_TYPE_XPRESS;
 292         else if (strcasecmp(optarg, "none") == 0)
 293                 return WIM_COMPRESSION_TYPE_NONE;
 294         else {
 295                 imagex_error("Invalid compression type `%s'! Must be "
 296                              "\"maximum\", \"fast\", or \"none\".", optarg);
 297                 return WIM_COMPRESSION_TYPE_INVALID;
 298         }
 299 }
 300
 301 static const char *file_get_contents(const char *filename, size_t *len_ret)
 302 {
 303         struct stat stbuf;
 304         char *buf;
 305         size_t len;
 306         FILE *fp;
 307
 308         if (stat(filename, &stbuf) != 0) {
 309                 imagex_error_with_errno("Failed to stat the file `%s'", filename);
 310                 return NULL;
 311         }
 312         len = stbuf.st_size;
 313
 314         fp = fopen(filename, "rb");
 315         if (!fp) {
 316                 imagex_error_with_errno("Failed to open the file `%s'", filename);
 317                 return NULL;
 318         }
 319
 320         buf = malloc(len);
 321         if (!buf) {
 322                 imagex_error("Failed to allocate buffer of %zu bytes to hold "
 323                              "contents of file `%s'", len, filename);
 324                 goto out_fclose;
 325         }
 326         if (fread(buf, 1, len, fp) != len) {
 327                 imagex_error_with_errno("Failed to read %lu bytes from the "
 328                                         "file `%s'", len, filename);
 329                 goto out_free_buf;
 330         }
 331         *len_ret = len;
 332         return buf;
 333 out_free_buf:
 334         free(buf);
 335 out_fclose:
 336         fclose(fp);
 337         return NULL;
 338 }
 339
 340 static int imagex_append(int argc, const char **argv)
 341 {
 342         int c;
 343         const char *flags_element = NULL;
 344         int open_flags = WIMLIB_OPEN_FLAG_SHOW_PROGRESS;
 345         int add_image_flags = 0;
 346         int write_flags = WIMLIB_WRITE_FLAG_SHOW_PROGRESS;
 347         const char *dir;
 348         const char *wimfile;
 349         const char *name;
 350         const char *desc;
 351         const char *config_file = NULL;
 352         const char *config_str = NULL;
 353         size_t config_len = 0;
 354         WIMStruct *w;
 355         int ret;
 356         int cur_image;
 357
 358         for_opt(c, append_options) {
 359                 switch (c) {
 360                 case 'b':
 361                         add_image_flags |= WIMLIB_ADD_IMAGE_FLAG_BOOT;
 362                         break;
 363                 case 'c':
 364                         open_flags |= WIMLIB_OPEN_FLAG_CHECK_INTEGRITY;
 365                         write_flags |= WIMLIB_WRITE_FLAG_CHECK_INTEGRITY;
 366                         break;
 367                 case 'C':
 368                         config_file = optarg;
 369                         break;
 370                 case 'f':
 371                         flags_element = optarg;
 372                         break;
 373                 case 'L':
 374                         add_image_flags |= WIMLIB_ADD_IMAGE_FLAG_DEREFERENCE;
 375                         break;
 376                 case 'v':
 377                         add_image_flags |= WIMLIB_ADD_IMAGE_FLAG_VERBOSE;
 378                         break;
 379                 default:
 380                         usage(APPEND);
 381                         return -1;
 382                 }
 383         }
 384         argc -= optind;
 385         argv += optind;
 386         if (argc < 2 || argc > 4) {
 387                 usage(APPEND);
 388                 return -1;
 389         }
 390         dir     = argv[0];
 391         wimfile = argv[1];
 392         name    = (argc >= 3) ? argv[2] : path_basename(dir);
 393         desc    = (argc >= 4) ? argv[3] : NULL;
 394
 395         if (config_file) {
 396                 config_str = file_get_contents(config_file, &config_len);
 397                 if (!config_str)
 398                         return -1;
 399         }
 400
 401         ret = wimlib_open_wim(wimfile, open_flags, &w);
 402         if (ret != 0)
 403                 return ret;
 404
 405 #ifdef WITH_NTFS_3G
 406         struct stat stbuf;
 407
 408         ret = stat(dir, &stbuf);
 409         if (ret == 0) {
 410                 if (S_ISBLK(stbuf.st_mode) || S_ISREG(stbuf.st_mode)) {
 411                         const char *ntfs_device = dir;
 412                         printf("Capturing WIM image NTFS filesystem on `%s'\n",
 413                                ntfs_device);
 414                         ret = wimlib_add_image_from_ntfs_volume(w, ntfs_device,
 415                                                                 name,
 416                                                                 config_str,
 417                                                                 config_len,
 418                                                                 add_image_flags);
 419                         goto out_write;
 420                 }
 421         } else {
 422                 if (errno != -ENOENT)
 423                         imagex_error_with_errno("Failed to stat `%s'", dir);
 424         }
 425 #endif
 426         ret = wimlib_add_image(w, dir, name, config_str, config_len,
 427                                add_image_flags);
 428
 429 out_write:
 430         if (ret != 0)
 431                 goto out;
 432         cur_image = wimlib_get_num_images(w);
 433         if (desc) {
 434                 ret = wimlib_set_image_descripton(w, cur_image, desc);
 435                 if (ret != 0)
 436                         goto out;
 437         }
 438         if (flags_element) {
 439                 ret = wimlib_set_image_flags(w, cur_image, flags_element);
 440                 if (ret != 0)
 441                         goto out;
 442         }
 443         ret = wimlib_overwrite(w, write_flags);
 444 out:
 445         wimlib_free(w);
 446         return ret;
 447 }
 448
 449 /* Extract one image, or all images, from a WIM file into a directory. */
 450 static int imagex_apply(int argc, const char **argv)
 451 {
 452         int c;
 453         int open_flags = WIMLIB_OPEN_FLAG_SHOW_PROGRESS;
 454         int image;
 455         int num_images;
 456         WIMStruct *w;
 457         int ret;
 458         const char *wimfile;
 459         const char *dir;
 460         const char *image_num_or_name;
 461         int extract_flags = 0;
 462
 463         for_opt(c, apply_options) {
 464                 switch (c) {
 465                 case 'c':
 466                         open_flags |= WIMLIB_OPEN_FLAG_CHECK_INTEGRITY;
 467                         break;
 468                 case 'h':
 469                         extract_flags |= WIMLIB_EXTRACT_FLAG_HARDLINK;
 470                         break;
 471                 case 's':
 472                         extract_flags |= WIMLIB_EXTRACT_FLAG_SYMLINK;
 473                         break;
 474                 case 'v':
 475                         extract_flags |= WIMLIB_EXTRACT_FLAG_VERBOSE;
 476                         break;
 477                 default:
 478                         usage(APPLY);
 479                         return -1;
 480                 }
 481         }
 482         argc -= optind;
 483         argv += optind;
 484         if (argc != 2 && argc != 3) {
 485                 usage(APPLY);
 486                 return -1;
 487         }
 488
 489         wimfile = argv[0];
 490         if (argc == 2) {
 491                 image_num_or_name =  "1";
 492                 dir = argv[1];
 493         } else {
 494                 image_num_or_name = argv[1];
 495                 dir = argv[2];
 496         }
 497
 498         ret = wimlib_open_wim(wimfile, open_flags, &w);
 499         if (ret != 0)
 500                 goto out;
 501
 502         image = wimlib_resolve_image(w, image_num_or_name);
 503         ret = verify_image_exists(image);
 504         if (ret != 0)
 505                 goto out;
 506
 507         num_images = wimlib_get_num_images(w);
 508         if (argc == 2 && num_images != 1) {
 509                 imagex_error("`%s' contains %d images; Please select one "
 510                              "(or all)", wimfile, num_images);
 511                 usage(APPLY);
 512                 ret = -1;
 513                 goto out;
 514         }
 515
 516 #ifdef WITH_NTFS_3G
 517         struct stat stbuf;
 518
 519         ret = stat(dir, &stbuf);
 520         if (ret == 0) {
 521                 if (S_ISBLK(stbuf.st_mode) || S_ISREG(stbuf.st_mode)) {
 522                         const char *ntfs_device = dir;
 523                         printf("Applying image %d of `%s' to NTFS filesystem on `%s'\n",
 524                                image, wimfile, ntfs_device);
 525                         ret = wimlib_apply_image_to_ntfs_volume(w, image,
 526                                                                 ntfs_device,
 527                                                                 extract_flags);
 528                         goto out;
 529                 }
 530         } else {
 531                 if (errno != -ENOENT)
 532                         imagex_error_with_errno("Failed to stat `%s'", dir);
 533         }
 534 #endif
 535
 536         ret = wimlib_extract_image(w, image, dir, extract_flags);
 537 out:
 538         wimlib_free(w);
 539         return ret;
 540 }
 541
 542
 543 /* Create a WIM file from a directory. */
 544 static int imagex_capture(int argc, const char **argv)
 545 {
 546         int c;
 547         int add_image_flags = 0;
 548         int write_flags = WIMLIB_WRITE_FLAG_SHOW_PROGRESS;
 549         int compression_type = WIM_COMPRESSION_TYPE_XPRESS;
 550         const char *flags_element = NULL;
 551         const char *dir;
 552         const char *wimfile;
 553         const char *name;
 554         const char *desc;
 555         const char *config_file = NULL;
 556         const char *config_str = NULL;
 557         size_t config_len = 0;
 558         WIMStruct *w;
 559         int cur_image;
 560         int ret;
 561
 562         for_opt(c, capture_options) {
 563                 switch (c) {
 564                 case 'b':
 565                         add_image_flags |= WIMLIB_ADD_IMAGE_FLAG_BOOT;
 566                         break;
 567                 case 'c':
 568                         write_flags |= WIMLIB_WRITE_FLAG_CHECK_INTEGRITY;
 569                         break;
 570                 case 'C':
 571                         config_file = optarg;
 572                         break;
 573                 case 'x':
 574                         compression_type = get_compression_type(optarg);
 575                         if (compression_type == WIM_COMPRESSION_TYPE_INVALID)
 576                                 return -1;
 577                         break;
 578                 case 'f':
 579                         flags_element = optarg;
 580                         break;
 581                 case 'v':
 582                         add_image_flags |= WIMLIB_ADD_IMAGE_FLAG_VERBOSE;
 583                         write_flags |= WIMLIB_WRITE_FLAG_VERBOSE;
 584                         break;
 585                 case 'L':
 586                         add_image_flags |= WIMLIB_ADD_IMAGE_FLAG_DEREFERENCE;
 587                         break;
 588                 default:
 589                         usage(CAPTURE);
 590                         return -1;
 591                 }
 592         }
 593
 594         argc -= optind;
 595         argv += optind;
 596         if (argc < 2 || argc > 4) {
 597                 usage(CAPTURE);
 598                 return -1;
 599         }
 600         dir     = argv[0];
 601         wimfile = argv[1];
 602         name    = (argc >= 3) ? argv[2] : dir;
 603         desc    = (argc >= 4) ? argv[3] : NULL;
 604
 605         if (config_file) {
 606                 config_str = file_get_contents(config_file, &config_len);
 607                 if (!config_str)
 608                         return -1;
 609         }
 610
 611         ret = wimlib_create_new_wim(compression_type, &w);
 612         if (ret != 0)
 613                 return ret;
 614
 615 #ifdef WITH_NTFS_3G
 616         struct stat stbuf;
 617
 618         ret = stat(dir, &stbuf);
 619         if (ret == 0) {
 620                 if (S_ISBLK(stbuf.st_mode) || S_ISREG(stbuf.st_mode)) {
 621                         const char *ntfs_device = dir;
 622                         printf("Capturing WIM image NTFS filesystem on `%s'\n",
 623                                ntfs_device);
 624                         ret = wimlib_add_image_from_ntfs_volume(w, ntfs_device,
 625                                                                 name,
 626                                                                 config_str,
 627                                                                 config_len,
 628                                                                 add_image_flags);
 629                         goto out_write;
 630                 }
 631         } else {
 632                 if (errno != -ENOENT)
 633                         imagex_error_with_errno("Failed to stat `%s'", dir);
 634         }
 635 #endif
 636         ret = wimlib_add_image(w, dir, name, config_str,
 637                                config_len, add_image_flags);
 638
 639 out_write:
 640         if (ret != 0) {
 641                 imagex_error("Failed to add the image `%s'", dir);
 642                 goto out;
 643         }
 644         cur_image = wimlib_get_num_images(w);
 645         if (desc) {
 646                 ret = wimlib_set_image_descripton(w, cur_image, desc);
 647                 if (ret != 0)
 648                         goto out;
 649         }
 650         if (flags_element) {
 651                 ret = wimlib_set_image_flags(w, cur_image, flags_element);
 652                 if (ret != 0)
 653                         goto out;
 654         }
 655
 656         ret = wimlib_write(w, wimfile, WIM_ALL_IMAGES, write_flags);
 657         if (ret != 0)
 658                 imagex_error("Failed to write the WIM file `%s'", wimfile);
 659 out:
 660         wimlib_free(w);
 661         return ret;
 662 }
 663
 664 /* Remove image(s) from a WIM. */
 665 static int imagex_delete(int argc, const char **argv)
 666 {
 667         int c;
 668         int open_flags = WIMLIB_OPEN_FLAG_SHOW_PROGRESS;
 669         int write_flags = WIMLIB_WRITE_FLAG_SHOW_PROGRESS;
 670         const char *wimfile;
 671         const char *image_num_or_name;
 672         WIMStruct *w;
 673         int image;
 674         int ret;
 675
 676         for_opt(c, delete_options) {
 677                 switch (c) {
 678                 case 'c':
 679                         open_flags |= WIMLIB_OPEN_FLAG_CHECK_INTEGRITY;
 680                         write_flags |= WIMLIB_WRITE_FLAG_CHECK_INTEGRITY;
 681                         break;
 682                 default:
 683                         usage(DELETE);
 684                         return -1;
 685                 }
 686         }
 687         argc -= optind;
 688         argv += optind;
 689
 690         if (argc != 2) {
 691                 if (argc < 1)
 692                         imagex_error("Must specify a WIM file");
 693                 if (argc < 2)
 694                         imagex_error("Must specify an image");
 695                 usage(DELETE);
 696                 return -1;
 697         }
 698         wimfile = argv[0];
 699         image_num_or_name = argv[1];
 700
 701         ret = wimlib_open_wim(wimfile, open_flags, &w);
 702         if (ret != 0)
 703                 return ret;
 704
 705         image = wimlib_resolve_image(w, image_num_or_name);
 706
 707         ret = verify_image_exists(image);
 708         if (ret != 0)
 709                 goto done;
 710
 711         ret = wimlib_delete_image(w, image);
 712         if (ret != 0) {
 713                 imagex_error("Failed to delete image from `%s'", wimfile);
 714                 goto done;
 715         }
 716
 717         ret = wimlib_overwrite(w, write_flags);
 718         if (ret != 0) {
 719                 imagex_error("Failed to write the file `%s' with image "
 720                              "deleted", wimfile);
 721         }
 722 done:
 723         wimlib_free(w);
 724         return ret;
 725 }
 726
 727 /* Print the files contained in an image(s) in a WIM file. */
 728 static int imagex_dir(int argc, const char **argv)
 729 {
 730         const char *wimfile;
 731         WIMStruct *w;
 732         int image;
 733         int ret;
 734         int num_images;
 735         int part_number;
 736
 737         if (argc < 2) {
 738                 imagex_error("Must specify a WIM file");
 739                 usage(DIR);
 740                 return -1;
 741         }
 742         if (argc > 3) {
 743                 imagex_error("Too many arguments");
 744                 usage(DIR);
 745                 return -1;
 746         }
 747
 748         wimfile = argv[1];
 749         ret = wimlib_open_wim(wimfile, WIMLIB_OPEN_FLAG_SPLIT_OK, &w);
 750         if (ret != 0)
 751                 return ret;
 752
 753         part_number = wimlib_get_part_number(w, NULL);
 754         if (part_number != 1) {
 755                 imagex_error("`%s' is part %d of a split WIM!  Specify the "
 756                              "first part to see the files",
 757                              wimfile, part_number);
 758                 ret = WIMLIB_ERR_SPLIT_UNSUPPORTED;
 759                 goto done;
 760         }
 761
 762         if (argc == 3) {
 763                 image = wimlib_resolve_image(w, argv[2]);
 764                 ret = verify_image_exists(image);
 765                 if (ret != 0)
 766                         goto done;
 767         } else {
 768                 /* Image was not specified.  If the WIM only contains one image,
 769                  * choose that one; otherwise, print an error. */
 770                 num_images = wimlib_get_num_images(w);
 771                 if (num_images != 1) {
 772                         imagex_error("The file `%s' contains %d images; Please "
 773                                      "select one.", wimfile, num_images);
 774                         usage(DIR);
 775                         ret = -1;
 776                         goto done;
 777                 }
 778                 image = 1;
 779         }
 780
 781         ret = wimlib_print_files(w, image);
 782 done:
 783         wimlib_free(w);
 784         return ret;
 785 }
 786
 787 /* Exports one, or all, images from a WIM file to a new WIM file or an existing
 788  * WIM file. */
 789 static int imagex_export(int argc, const char **argv)
 790 {
 791         int c;
 792         int open_flags = WIMLIB_OPEN_FLAG_SHOW_PROGRESS;
 793         int export_flags = 0;
 794         int write_flags = WIMLIB_WRITE_FLAG_SHOW_PROGRESS;
 795         int compression_type = WIM_COMPRESSION_TYPE_XPRESS;
 796         bool compression_type_specified = false;
 797         const char *src_wimfile;
 798         const char *src_image_num_or_name;
 799         const char *dest_wimfile;
 800         const char *dest_name;
 801         const char *dest_desc;
 802         WIMStruct *src_w = NULL;
 803         WIMStruct *dest_w = NULL;
 804         int ret;
 805         int image;
 806         struct stat stbuf;
 807         bool wim_is_new;
 808
 809         for_opt(c, export_options) {
 810                 switch (c) {
 811                 case 'b':
 812                         export_flags |= WIMLIB_EXPORT_FLAG_BOOT;
 813                         break;
 814                 case 'c':
 815                         open_flags |= WIMLIB_OPEN_FLAG_CHECK_INTEGRITY;
 816                         write_flags |= WIMLIB_WRITE_FLAG_CHECK_INTEGRITY;
 817                         break;
 818                 case 'x':
 819                         compression_type = get_compression_type(optarg);
 820                         if (compression_type == WIM_COMPRESSION_TYPE_INVALID)
 821                                 return -1;
 822                         compression_type_specified = true;
 823                         break;
 824                 default:
 825                         usage(EXPORT);
 826                         return -1;
 827                 }
 828         }
 829         argc -= optind;
 830         argv += optind;
 831         if (argc < 3 || argc > 5) {
 832                 usage(EXPORT);
 833                 return -1;
 834         }
 835         src_wimfile           = argv[0];
 836         src_image_num_or_name = argv[1];
 837         dest_wimfile          = argv[2];
 838         dest_name             = (argc >= 4) ? argv[3] : NULL;
 839         dest_desc             = (argc >= 5) ? argv[4] : NULL;
 840         ret = wimlib_open_wim(src_wimfile, open_flags, &src_w);
 841         if (ret != 0)
 842                 return ret;
 843
 844         /* Determine if the destination is an existing file or not.
 845          * If so, we try to append the exported image(s) to it; otherwise, we
 846          * create a new WIM containing the exported image(s). */
 847         if (stat(dest_wimfile, &stbuf) == 0) {
 848                 wim_is_new = false;
 849                 /* Destination file exists. */
 850                 if (!S_ISREG(stbuf.st_mode) && !S_ISLNK(stbuf.st_mode)) {
 851                         imagex_error("`%s' is not a regular file",
 852                                         dest_wimfile);
 853                         goto done;
 854                 }
 855                 ret = wimlib_open_wim(dest_wimfile, open_flags, &dest_w);
 856                 if (ret != 0)
 857                         goto done;
 858
 859                 if (compression_type_specified && compression_type !=
 860                                 wimlib_get_compression_type(dest_w)) {
 861                         imagex_error("Cannot specify a compression type that is "
 862                                      "not the same as that used in the "
 863                                      "destination WIM");
 864                         ret = -1;
 865                         goto done;
 866                 }
 867                 compression_type = wimlib_get_compression_type(dest_w);
 868         } else {
 869                 wim_is_new = true;
 870                 /* dest_wimfile is not an existing file, so create a new WIM. */
 871                 if (errno == ENOENT) {
 872                         ret = wimlib_create_new_wim(compression_type, &dest_w);
 873                         if (ret != 0)
 874                                 goto done;
 875                 } else {
 876                         imagex_error_with_errno("Cannot stat file `%s'",
 877                                                 dest_wimfile);
 878                         goto done;
 879                 }
 880         }
 881
 882         image = wimlib_resolve_image(src_w, src_image_num_or_name);
 883         ret = verify_image_exists(image);
 884         if (ret != 0)
 885                 goto done;
 886
 887         ret = wimlib_export_image(src_w, image, dest_w, dest_name, dest_desc,
 888                                   export_flags);
 889         if (ret != 0)
 890                 goto done;
 891
 892
 893         if (wim_is_new)
 894                 ret = wimlib_write(dest_w, dest_wimfile, WIM_ALL_IMAGES,
 895                                    write_flags);
 896         else
 897                 ret = wimlib_overwrite(dest_w, write_flags);
 898 done:
 899         wimlib_free(src_w);
 900         wimlib_free(dest_w);
 901         return ret;
 902 }
 903
 904 /* Prints information about a WIM file; also can mark an image as bootable,
 905  * change the name of an image, or change the description of an image. */
 906 static int imagex_info(int argc, const char **argv)
 907 {
 908         int c;
 909         bool boot         = false;
 910         bool check        = false;
 911         bool header       = false;
 912         bool lookup_table = false;
 913         bool xml          = false;
 914         bool metadata     = false;
 915         bool short_header = true;
 916         const char *xml_out_file = NULL;
 917         const char *wimfile;
 918         const char *image_num_or_name = "all";
 919         const char *new_name = NULL;
 920         const char *new_desc = NULL;
 921         WIMStruct *w;
 922         FILE *fp;
 923         int image;
 924         int ret;
 925         int open_flags = WIMLIB_OPEN_FLAG_SHOW_PROGRESS |
 926                          WIMLIB_OPEN_FLAG_SPLIT_OK;
 927         int part_number;
 928         int total_parts;
 929
 930         for_opt(c, info_options) {
 931                 switch (c) {
 932                 case 'b':
 933                         boot = true;
 934                         break;
 935                 case 'c':
 936                         check = true;
 937                         break;
 938                 case 'h':
 939                         header = true;
 940                         short_header = false;
 941                         break;
 942                 case 'l':
 943                         lookup_table = true;
 944                         short_header = false;
 945                         break;
 946                 case 'x':
 947                         xml = true;
 948                         short_header = false;
 949                         break;
 950                 case 'X':
 951                         xml_out_file = optarg;
 952                         short_header = false;
 953                         break;
 954                 case 'm':
 955                         metadata = true;
 956                         short_header = false;
 957                         break;
 958                 default:
 959                         usage(INFO);
 960                         return -1;
 961                 }
 962         }
 963
 964         argc -= optind;
 965         argv += optind;
 966         if (argc == 0 || argc > 4) {
 967                 usage(INFO);
 968                 return -1;
 969         }
 970         wimfile = argv[0];
 971         if (argc > 1) {
 972                 image_num_or_name = argv[1];
 973                 if (argc > 2) {
 974                         new_name = argv[2];
 975                         if (argc > 3) {
 976                                 new_desc = argv[3];
 977                         }
 978                 }
 979         }
 980
 981         if (check)
 982                 open_flags |= WIMLIB_OPEN_FLAG_CHECK_INTEGRITY;
 983
 984         ret = wimlib_open_wim(wimfile, open_flags, &w);
 985         if (ret != 0)
 986                 return ret;
 987
 988         part_number = wimlib_get_part_number(w, &total_parts);
 989
 990         /*if (total_parts > 1 && part_number > 1) {*/
 991                 /*printf("Warning: this is part %d of a %d-part split WIM.\n"*/
 992                        /*"         Select the first part if you want to see information\n"*/
 993                        /*"         about images in the WIM.\n", */
 994                        /*part_number, total_parts);*/
 995         /*}*/
 996
 997         image = wimlib_resolve_image(w, image_num_or_name);
 998         if (image == WIM_NO_IMAGE && strcmp(image_num_or_name, "0") != 0) {
 999                 imagex_error("The image `%s' does not exist",
1000                                                 image_num_or_name);
1001                 if (boot)
1002                         imagex_error("If you would like to set the boot "
1003                                      "index to 0, specify image \"0\" with "
1004                                      "the --boot flag.");
1005                 ret = WIMLIB_ERR_INVALID_IMAGE;
1006                 goto done;
1007         }
1008
1009         if (image == WIM_ALL_IMAGES && wimlib_get_num_images(w) > 1) {
1010                 if (boot) {
1011                         imagex_error("Cannot specify the --boot flag "
1012                                      "without specifying a specific "
1013                                      "image in a multi-image WIM");
1014                         ret = WIMLIB_ERR_INVALID_IMAGE;
1015                         goto done;
1016                 }
1017                 if (new_name) {
1018                         imagex_error("Cannot specify the NEW_NAME "
1019                                      "without specifying a specific "
1020                                      "image in a multi-image WIM");
1021                         ret = WIMLIB_ERR_INVALID_IMAGE;
1022                         goto done;
1023                 }
1024         }
1025
1026         /* Operations that print information are separated from operations that
1027          * recreate the WIM file. */
1028         if (!new_name && !boot) {
1029
1030                 if (image == WIM_NO_IMAGE) {
1031                         imagex_error("`%s' is not a valid image",
1032                                      image_num_or_name);
1033                         ret = WIMLIB_ERR_INVALID_IMAGE;
1034                         goto done;
1035                 }
1036
1037                 if (image == WIM_ALL_IMAGES && short_header)
1038                         wimlib_print_wim_information(w);
1039
1040                 if (header)
1041                         wimlib_print_header(w);
1042
1043                 if (lookup_table) {
1044                         if (total_parts != 1) {
1045                                 printf("Warning: Only showing the lookup table "
1046                                        "for part %d of a %d-part WIM.\n",
1047                                        part_number, total_parts);
1048                         }
1049                         wimlib_print_lookup_table(w);
1050                 }
1051
1052                 if (xml) {
1053                         ret = wimlib_extract_xml_data(w, stdout);
1054                         if (ret != 0)
1055                                 goto done;
1056                 }
1057
1058                 if (xml_out_file) {
1059                         fp = fopen(xml_out_file, "wb");
1060                         if (!fp) {
1061                                 imagex_error_with_errno("Failed to open the "
1062                                                         "file `%s' for "
1063                                                         "writing ",
1064                                                         xml_out_file);
1065                                 goto done;
1066                         }
1067                         ret = wimlib_extract_xml_data(w, fp);
1068                         if (fclose(fp) != 0) {
1069                                 imagex_error("Failed to close the file `%s'",
1070                                              xml_out_file);
1071                                 goto done;
1072                         }
1073
1074                         if (ret != 0)
1075                                 goto done;
1076                 }
1077
1078                 if (short_header)
1079                         wimlib_print_available_images(w, image);
1080
1081                 if (metadata) {
1082                         if (total_parts != 1 && part_number != 1) {
1083                                 imagex_error("Select part 1 of this %d-part WIM "
1084                                              "to see the image metadata",
1085                                              total_parts);
1086                                 return WIMLIB_ERR_SPLIT_UNSUPPORTED;
1087                         }
1088                         ret = wimlib_print_metadata(w, image);
1089                         if (ret != 0)
1090                                 goto done;
1091                 }
1092         } else {
1093                 if (total_parts != 1) {
1094                         imagex_error("Modifying a split WIM is not supported.");
1095                         return -1;
1096                 }
1097                 if (image == WIM_ALL_IMAGES)
1098                         image = 1;
1099
1100                 if (image == WIM_NO_IMAGE && new_name) {
1101                         imagex_error("Cannot specify new_name (`%s') when "
1102                                      "using image 0", new_name);
1103                         return -1;
1104                 }
1105
1106                 if (boot) {
1107                         if (image == wimlib_get_boot_idx(w)) {
1108                                 printf("Image %d is already marked as "
1109                                        "bootable.\n", image);
1110                                 boot = false;
1111                         } else {
1112                                 printf("Marking image %d as bootable.\n",
1113                                        image);
1114                                 wimlib_set_boot_idx(w, image);
1115                         }
1116                 }
1117                 if (new_name) {
1118                         if (strcmp(wimlib_get_image_name(w, image),
1119                                                 new_name) == 0) {
1120                                 printf("Image %d is already named \"%s\".\n",
1121                                        image, new_name);
1122                                 new_name = NULL;
1123                         } else {
1124                                 printf("Changing the name of image %d to "
1125                                        "\"%s\".\n", image, new_name);
1126                                 ret = wimlib_set_image_name(w, image, new_name);
1127                                 if (ret != 0)
1128                                         goto done;
1129                         }
1130                 }
1131                 if (new_desc) {
1132                         const char *old_desc;
1133                         old_desc = wimlib_get_image_description(w, image);
1134                         if (old_desc && strcmp(old_desc, new_desc) == 0) {
1135                                 printf("The description of image %d is already "
1136                                        "\"%s\".\n", image, new_desc);
1137                                 new_desc = NULL;
1138                         } else {
1139                                 printf("Changing the description of image %d "
1140                                        "to \"%s\".\n", image, new_desc);
1141                                 ret = wimlib_set_image_descripton(w, image,
1142                                                                   new_desc);
1143                                 if (ret != 0)
1144                                         goto done;
1145                         }
1146                 }
1147
1148                 /* Only call wimlib_overwrite_xml_and_header() if something
1149                  * actually needs to be changed. */
1150                 if (boot || new_name || new_desc ||
1151                                 check != wimlib_has_integrity_table(w)) {
1152
1153                         ret = wimlib_overwrite_xml_and_header(w, check ?
1154                                         WIMLIB_WRITE_FLAG_CHECK_INTEGRITY |
1155                                         WIMLIB_WRITE_FLAG_SHOW_PROGRESS : 0);
1156                 } else {
1157                         printf("The file `%s' was not modified because nothing "
1158                                         "needed to be done.\n", wimfile);
1159                         ret = 0;
1160                 }
1161         }
1162
1163 done:
1164         wimlib_free(w);
1165         return ret;
1166 }
1167
1168 /* Join split WIMs into one part WIM */
1169 static int imagex_join(int argc, const char **argv)
1170 {
1171         int c;
1172         int flags = WIMLIB_OPEN_FLAG_SPLIT_OK | WIMLIB_OPEN_FLAG_SHOW_PROGRESS;
1173         const char *output_path;
1174
1175         for_opt(c, join_options) {
1176                 switch (c) {
1177                 case 'c':
1178                         flags |= WIMLIB_OPEN_FLAG_CHECK_INTEGRITY;
1179                         break;
1180                 default:
1181                         goto err;
1182                 }
1183         }
1184         argc -= optind;
1185         argv += optind;
1186
1187         if (argc < 2) {
1188                 imagex_error("Must specify at least one split WIM (.swm) parts "
1189                              "to join");
1190                 goto err;
1191         }
1192         output_path = argv[0];
1193         return wimlib_join(++argv, --argc, output_path, flags);
1194 err:
1195         usage(JOIN);
1196         return -1;
1197 }
1198
1199 /* Mounts an image using a FUSE mount. */
1200 static int imagex_mount_rw_or_ro(int argc, const char **argv)
1201 {
1202         int c;
1203         int mount_flags = 0;
1204         int open_flags = WIMLIB_OPEN_FLAG_SHOW_PROGRESS;
1205         const char *wimfile;
1206         const char *dir;
1207         WIMStruct *w;
1208         int image;
1209         int num_images;
1210         int ret;
1211
1212         if (strcmp(argv[0], "mountrw") == 0)
1213                 mount_flags |= WIMLIB_MOUNT_FLAG_READWRITE;
1214         for_opt(c, mount_options) {
1215                 switch (c) {
1216                 case 'c':
1217                         open_flags |= WIMLIB_OPEN_FLAG_CHECK_INTEGRITY;
1218                         break;
1219                 case 'd':
1220                         mount_flags |= WIMLIB_MOUNT_FLAG_DEBUG;
1221                         break;
1222                 case 's':
1223                         if (strcasecmp(optarg, "none") == 0)
1224                                 mount_flags |= WIMLIB_MOUNT_FLAG_STREAM_INTERFACE_NONE;
1225                         else if (strcasecmp(optarg, "xattr") == 0)
1226                                 mount_flags |= WIMLIB_MOUNT_FLAG_STREAM_INTERFACE_XATTR;
1227                         else if (strcasecmp(optarg, "windows") == 0)
1228                                 mount_flags |= WIMLIB_MOUNT_FLAG_STREAM_INTERFACE_WINDOWS;
1229                         else {
1230                                 imagex_error("Unknown stream interface \"%s\"", optarg);
1231                                 goto mount_usage;
1232                         }
1233                         break;
1234                 default:
1235                         goto mount_usage;
1236                 }
1237         }
1238         argc -= optind;
1239         argv += optind;
1240         if (argc != 2 && argc != 3)
1241                 goto mount_usage;
1242
1243         wimfile = argv[0];
1244
1245         ret = wimlib_open_wim(wimfile, open_flags, &w);
1246         if (ret != 0)
1247                 return ret;
1248
1249         if (argc == 2) {
1250                 image = 1;
1251                 num_images = wimlib_get_num_images(w);
1252                 if (num_images != 1) {
1253                         imagex_error("The file `%s' contains %d images; Please "
1254                                      "select one", wimfile, num_images);
1255                         usage((mount_flags & WIMLIB_MOUNT_FLAG_READWRITE)
1256                                         ? MOUNTRW : MOUNT);
1257                         ret = WIMLIB_ERR_INVALID_IMAGE;
1258                         goto done;
1259                 }
1260                 dir = argv[1];
1261         } else {
1262                 image = wimlib_resolve_image(w, argv[1]);
1263                 dir = argv[2];
1264         }
1265
1266         ret = verify_image_exists_and_is_single(image);
1267         if (ret != 0)
1268                 goto done;
1269
1270         ret = wimlib_mount(w, image, dir, mount_flags);
1271         if (ret != 0) {
1272                 imagex_error("Failed to mount image %d from `%s' on `%s'",
1273                              image, wimfile, dir);
1274
1275         }
1276 done:
1277         wimlib_free(w);
1278         return ret;
1279 mount_usage:
1280         usage((mount_flags & WIMLIB_MOUNT_FLAG_READWRITE)
1281                         ? MOUNTRW : MOUNT);
1282         return -1;
1283 }
1284
1285 /* Split a WIM into a spanned set */
1286 static int imagex_split(int argc, const char **argv)
1287 {
1288         int c;
1289         int flags = WIMLIB_OPEN_FLAG_SHOW_PROGRESS;
1290         unsigned long part_size;
1291
1292         for_opt(c, split_options) {
1293                 switch (c) {
1294                 case 'c':
1295                         flags |= WIMLIB_OPEN_FLAG_CHECK_INTEGRITY;
1296                         break;
1297                 default:
1298                         usage(SPLIT);
1299                         return -1;
1300                 }
1301         }
1302         argc -= optind;
1303         argv += optind;
1304
1305         if (argc != 3) {
1306                 usage(SPLIT);
1307                 return -1;
1308         }
1309         part_size = strtoul(argv[2], NULL, 10) * (1 << 20);
1310         return wimlib_split(argv[0], argv[1], part_size, flags);
1311 }
1312
1313 /* Unmounts an image. */
1314 static int imagex_unmount(int argc, const char **argv)
1315 {
1316         int c;
1317         int unmount_flags = 0;
1318         int ret;
1319
1320         for_opt(c, unmount_options) {
1321                 switch (c) {
1322                 case 'c':
1323                         unmount_flags |= WIMLIB_UNMOUNT_FLAG_COMMIT;
1324                         break;
1325                 case 'C':
1326                         unmount_flags |= WIMLIB_UNMOUNT_FLAG_CHECK_INTEGRITY;
1327                         break;
1328                 default:
1329                         usage(UNMOUNT);
1330                         return -1;
1331                 }
1332         }
1333         argc -= optind;
1334         argv += optind;
1335         if (argc != 1) {
1336                 usage(UNMOUNT);
1337                 return -1;
1338         }
1339
1340         ret = wimlib_unmount(argv[0], unmount_flags);
1341         if (ret != 0)
1342                 imagex_error("Failed to unmount `%s'", argv[0]);
1343         return ret;
1344 }
1345
1346 struct imagex_command {
1347         const char *name;
1348         int (*func)(int , const char **);
1349         int cmd;
1350 };
1351
1352 static struct imagex_command imagex_commands[] = {
1353         {"append",  imagex_append,         APPEND},
1354         {"apply",   imagex_apply,          APPLY},
1355         {"capture", imagex_capture,        CAPTURE},
1356         {"delete",  imagex_delete,         DELETE},
1357         {"dir",     imagex_dir,            DIR},
1358         {"export",  imagex_export,         EXPORT},
1359         {"info",    imagex_info,           INFO},
1360         {"join",    imagex_join,           JOIN},
1361         {"mount",   imagex_mount_rw_or_ro, MOUNT},
1362         {"mountrw", imagex_mount_rw_or_ro, MOUNTRW},
1363         {"split",   imagex_split,          SPLIT},
1364         {"unmount", imagex_unmount,        UNMOUNT},
1365 };
1366
1367 #define for_imagex_command(p) for (p = &imagex_commands[0]; \
1368                 p != &imagex_commands[ARRAY_LEN(imagex_commands)]; p++)
1369
1370 static void help_or_version(int argc, const char **argv)
1371 {
1372         int i;
1373         const char *p;
1374         struct imagex_command *cmd;
1375
1376         for (i = 1; i < argc; i++) {
1377                 p = argv[i];
1378                 if (*p == '-')
1379                         p++;
1380                 else
1381                         continue;
1382                 if (*p == '-')
1383                         p++;
1384                 if (strcmp(p, "help") == 0 || (*p == '?' && *(p + 1) == '\0')) {
1385                         for_imagex_command(cmd) {
1386                                 if (strcmp(cmd->name, argv[1]) == 0) {
1387                                         usage(cmd->cmd);
1388                                         exit(0);
1389                                 }
1390                         }
1391                         usage_all();
1392                         exit(0);
1393                 }
1394                 if (strcmp(p, "version") == 0) {
1395                         version();
1396                         exit(0);
1397                 }
1398         }
1399 }
1400
1401
1402 int main(int argc, const char **argv)
1403 {
1404         struct imagex_command *cmd;
1405         int ret;
1406
1407         if (argc < 2) {
1408                 imagex_error("No command specified");
1409                 usage_all();
1410                 return 1;
1411         }
1412
1413         help_or_version(argc, argv);
1414         argc--;
1415         argv++;
1416
1417         wimlib_set_print_errors(true);
1418
1419         for_imagex_command(cmd) {
1420                 if (strcmp(cmd->name, *argv) == 0) {
1421                         ret = cmd->func(argc, argv);
1422                         if (ret > 0) {
1423                                 imagex_error("Exiting with error code %d:\n"
1424                                              "       %s.", ret,
1425                                              wimlib_get_error_string(ret));
1426                                 if (ret == WIMLIB_ERR_NTFS_3G)
1427                                         imagex_error_with_errno("errno");
1428                         }
1429                         return ret;
1430                 }
1431         }
1432
1433         imagex_error("Unrecognized command: `%s'", argv[0]);
1434         usage_all();
1435         return 1;
1436 }
1437 /*#ifndef WITH_NTFS_3G*/
1438                 /*ERROR("wimlib was not compiled with support for NTFS-3g, so we cannot extract");*/
1439                 /*ERROR("a WIM to a NTFS filesystem while preserving NTFS-specific metadata.");*/
1440                 /*ERROR("Please apply the WIM to a directory rather than a block device, ");*/
1441                 /*ERROR("and without the NTFS flag; or compile in support for NTFS-3g.");*/
1442                 /*return WIMLIB_ERR_UNSUPPORTED;*/
1443 /*#endif*/