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 <glob.h>
  31 #include <string.h>
  32 #include <errno.h>
  33 #include <libgen.h>
  34 #include <limits.h>
  35 #include <sys/stat.h>
  36 #include <unistd.h>
  37 #include <inttypes.h>
  38
  39 #define ARRAY_LEN(array) (sizeof(array) / sizeof(array[0]))
  40
  41 #define for_opt(c, opts) while ((c = getopt_long_only(argc, (char**)argv, "", \
  42                                 opts, NULL)) != -1)
  43
  44
  45 enum imagex_op_type {
  46         APPEND,
  47         APPLY,
  48         CAPTURE,
  49         DELETE,
  50         DIR,
  51         EXPORT,
  52         INFO,
  53         JOIN,
  54         MOUNT,
  55         MOUNTRW,
  56         OPTIMIZE,
  57         SPLIT,
  58         UNMOUNT,
  59 };
  60
  61 static void usage(int cmd_type);
  62 static void usage_all();
  63
  64 static const char *usage_strings[] = {
  65 [APPEND] =
  66 "imagex append (DIRECTORY | NTFS_VOLUME) WIMFILE [IMAGE_NAME]\n"
  67 "                     [DESCRIPTION] [--boot] [--check] [--flags EDITION_ID]\n"
  68 "                     [--verbose] [--dereference] [--config=FILE]\n"
  69 "                     [--threads=NUM_THREADS] [--rebuild]\n",
  70 [APPLY] =
  71 "imagex apply WIMFILE [IMAGE_NUM | IMAGE_NAME | all]\n"
  72 "                    (DIRECTORY | NTFS_VOLUME) [--check] [--hardlink]\n"
  73 "                    [--symlink] [--verbose] [--ref=\"GLOB\"]\n",
  74 [CAPTURE] =
  75 "imagex capture (DIRECTORY | NTFS_VOLUME) WIMFILE [IMAGE_NAME]\n"
  76 "                      [DESCRIPTION] [--boot] [--check] [--compress=TYPE]\n"
  77 "                      [--flags EDITION_ID] [--verbose] [--dereference]\n"
  78 "                      [--config=FILE] [--threads=NUM_THREADS]\n",
  79 [DELETE] =
  80 "imagex delete WIMFILE (IMAGE_NUM | IMAGE_NAME | all) [--check] [--soft]\n",
  81 [DIR] =
  82 "imagex dir WIMFILE (IMAGE_NUM | IMAGE_NAME | all)\n",
  83 [EXPORT] =
  84 "imagex export SRC_WIMFILE (SRC_IMAGE_NUM | SRC_IMAGE_NAME | all ) \n"
  85 "              DEST_WIMFILE [DEST_IMAGE_NAME] [DEST_IMAGE_DESCRIPTION]\n"
  86 "              [--boot] [--check] [--compress=TYPE] [--ref=\"GLOB\"]\n"
  87 "              [--threads=NUM_THREADS] [--rebuild]\n",
  88 [INFO] =
  89 "imagex info WIMFILE [IMAGE_NUM | IMAGE_NAME] [NEW_NAME]\n"
  90 "                   [NEW_DESC] [--boot] [--check] [--header] [--lookup-table]\n"
  91 "                   [--xml] [--extract-xml FILE] [--metadata]\n",
  92 [JOIN] =
  93 "imagex join [--check] WIMFILE SPLIT_WIM...\n",
  94 [MOUNT] =
  95 "imagex mount WIMFILE (IMAGE_NUM | IMAGE_NAME) DIRECTORY\n"
  96 "                    [--check] [--debug] [--streams-interface=INTERFACE]\n"
  97 "                    [--ref=\"GLOB\"]\n",
  98 [MOUNTRW] =
  99 "imagex mountrw WIMFILE [IMAGE_NUM | IMAGE_NAME] DIRECTORY\n"
 100 "                      [--check] [--debug] [--streams-interface=INTERFACE]\n",
 101 [OPTIMIZE] =
 102 "imagex optimize WIMFILE [--check] [--recompress]\n",
 103 [SPLIT] =
 104 "imagex split WIMFILE SPLIT_WIMFILE PART_SIZE_MB [--check]\n",
 105 [UNMOUNT] =
 106 "imagex unmount DIRECTORY [--commit] [--check]\n",
 107 };
 108
 109 static const struct option common_options[] = {
 110         {"help", 0, NULL, 'h'},
 111         {"version", 0, NULL, 'v'},
 112         {NULL, 0, NULL, 0},
 113 };
 114
 115 static const struct option apply_options[] = {
 116         {"check",    no_argument,       NULL, 'c'},
 117         {"hardlink", no_argument,       NULL, 'h'},
 118         {"symlink",  no_argument,       NULL, 's'},
 119         {"verbose",  no_argument,       NULL, 'v'},
 120         {"ref",      required_argument, NULL, 'r'},
 121         {NULL, 0, NULL, 0},
 122 };
 123 static const struct option capture_or_append_options[] = {
 124         {"boot",        no_argument,       NULL, 'b'},
 125         {"check",       no_argument,       NULL, 'c'},
 126         {"compress",    required_argument, NULL, 'x'},
 127         {"config",      required_argument, NULL, 'C'},
 128         {"dereference", no_argument,       NULL, 'L'},
 129         {"flags",       required_argument, NULL, 'f'},
 130         {"verbose",     no_argument,       NULL, 'v'},
 131         {"threads",     required_argument, NULL, 't'},
 132         {"rebuild",     no_argument,       NULL, 'R'},
 133         {NULL, 0, NULL, 0},
 134 };
 135 static const struct option delete_options[] = {
 136         {"check", no_argument, NULL, 'c'},
 137         {"soft",  no_argument, NULL, 's'},
 138         {NULL, 0, NULL, 0},
 139 };
 140
 141 static const struct option export_options[] = {
 142         {"boot",       no_argument,       NULL, 'b'},
 143         {"check",      no_argument,       NULL, 'c'},
 144         {"compress",   required_argument, NULL, 'x'},
 145         {"ref",        required_argument, NULL, 'r'},
 146         {"threads",    required_argument, NULL, 't'},
 147         {"rebuild",    no_argument,       NULL, 'R'},
 148         {NULL, 0, NULL, 0},
 149 };
 150
 151 static const struct option info_options[] = {
 152         {"boot",         no_argument, NULL, 'b'},
 153         {"check",        no_argument, NULL, 'c'},
 154         {"extract-xml",  required_argument, NULL, 'X'},
 155         {"header",       no_argument, NULL, 'h'},
 156         {"lookup-table", no_argument, NULL, 'l'},
 157         {"metadata",     no_argument, NULL, 'm'},
 158         {"xml",          no_argument, NULL, 'x'},
 159         {NULL, 0, NULL, 0},
 160 };
 161
 162 static const struct option join_options[] = {
 163         {"check", no_argument, NULL, 'c'},
 164         {NULL, 0, NULL, 0},
 165 };
 166
 167 static const struct option mount_options[] = {
 168         {"check", no_argument, NULL, 'c'},
 169         {"debug", no_argument, NULL, 'd'},
 170         {"streams-interface", required_argument, NULL, 's'},
 171         {"ref",      required_argument, NULL, 'r'},
 172         {NULL, 0, NULL, 0},
 173 };
 174
 175 static const struct option optimize_options[] = {
 176         {"check",      no_argument, NULL, 'c'},
 177         {"recompress", no_argument, NULL, 'r'},
 178         {NULL, 0, NULL, 0},
 179 };
 180
 181 static const struct option split_options[] = {
 182         {"check", no_argument, NULL, 'c'},
 183         {NULL, 0, NULL, 0},
 184 };
 185
 186 static const struct option unmount_options[] = {
 187         {"commit", no_argument, NULL, 'c'},
 188         {"check", no_argument, NULL, 'C'},
 189         {NULL, 0, NULL, 0},
 190 };
 191
 192
 193
 194 /* Print formatted error message to stderr. */
 195 static void imagex_error(const char *format, ...)
 196 {
 197         va_list va;
 198         va_start(va, format);
 199         fputs("ERROR: ", stderr);
 200         vfprintf(stderr, format, va);
 201         putc('\n', stderr);
 202         va_end(va);
 203 }
 204
 205 /* Print formatted error message to stderr. */
 206 static void imagex_error_with_errno(const char *format, ...)
 207 {
 208         int errno_save = errno;
 209         va_list va;
 210         va_start(va, format);
 211         fputs("ERROR: ", stderr);
 212         vfprintf(stderr, format, va);
 213         fprintf(stderr, ": %s\n", strerror(errno_save));
 214         va_end(va);
 215 }
 216
 217 static int verify_image_exists(int image, const char *image_name,
 218                                const char *wim_name)
 219 {
 220         if (image == WIMLIB_NO_IMAGE) {
 221                 imagex_error("\"%s\" is not a valid image in `%s'!\n"
 222                              "       Please specify a 1-based imagex index or "
 223                              "image name.\n"
 224                              "       You may use `imagex info' to list the images "
 225                              "contained in a WIM.",
 226                              image_name, wim_name);
 227                 return -1;
 228         }
 229         return 0;
 230 }
 231
 232 static int verify_image_is_single(int image)
 233 {
 234         if (image == WIMLIB_ALL_IMAGES) {
 235                 imagex_error("Cannot specify all images for this action!");
 236                 return -1;
 237         }
 238         return 0;
 239 }
 240
 241 static int verify_image_exists_and_is_single(int image, const char *image_name,
 242                                              const char *wim_name)
 243 {
 244         int ret;
 245         ret = verify_image_exists(image, image_name, wim_name);
 246         if (ret == 0)
 247                 ret = verify_image_is_single(image);
 248         return ret;
 249 }
 250
 251 static int get_compression_type(const char *optarg)
 252 {
 253         if (strcasecmp(optarg, "maximum") == 0 || strcasecmp(optarg, "lzx") == 0)
 254                 return WIMLIB_COMPRESSION_TYPE_LZX;
 255         else if (strcasecmp(optarg, "fast") == 0 || strcasecmp(optarg, "xpress") == 0)
 256                 return WIMLIB_COMPRESSION_TYPE_XPRESS;
 257         else if (strcasecmp(optarg, "none") == 0)
 258                 return WIMLIB_COMPRESSION_TYPE_NONE;
 259         else {
 260                 imagex_error("Invalid compression type `%s'! Must be "
 261                              "\"maximum\", \"fast\", or \"none\".", optarg);
 262                 return WIMLIB_COMPRESSION_TYPE_INVALID;
 263         }
 264 }
 265
 266 static off_t file_get_size(const char *filename)
 267 {
 268         struct stat st;
 269         if (stat(filename, &st) == 0)
 270                 return st.st_size;
 271         else
 272                 return (off_t)-1;
 273 }
 274
 275 static char *file_get_contents(const char *filename, size_t *len_ret)
 276 {
 277         struct stat stbuf;
 278         char *buf;
 279         size_t len;
 280         FILE *fp;
 281
 282         if (stat(filename, &stbuf) != 0) {
 283                 imagex_error_with_errno("Failed to stat the file `%s'", filename);
 284                 return NULL;
 285         }
 286         len = stbuf.st_size;
 287
 288         fp = fopen(filename, "rb");
 289         if (!fp) {
 290                 imagex_error_with_errno("Failed to open the file `%s'", filename);
 291                 return NULL;
 292         }
 293
 294         buf = malloc(len);
 295         if (!buf) {
 296                 imagex_error("Failed to allocate buffer of %zu bytes to hold "
 297                              "contents of file `%s'", len, filename);
 298                 goto out_fclose;
 299         }
 300         if (fread(buf, 1, len, fp) != len) {
 301                 imagex_error_with_errno("Failed to read %lu bytes from the "
 302                                         "file `%s'", len, filename);
 303                 goto out_free_buf;
 304         }
 305         *len_ret = len;
 306         return buf;
 307 out_free_buf:
 308         free(buf);
 309 out_fclose:
 310         fclose(fp);
 311         return NULL;
 312 }
 313
 314 static int file_writable(const char *path)
 315 {
 316         int ret;
 317         ret = access(path, F_OK | W_OK);
 318         if (ret != 0)
 319                 imagex_error_with_errno("Can't modify `%s'", path);
 320         return ret;
 321 }
 322
 323 #define TO_PERCENT(numerator, denominator) \
 324         (((denominator) == 0) ? 0 : ((numerator) * 100 / (denominator)))
 325
 326 static const char *get_data_type(int ctype)
 327 {
 328         switch (ctype) {
 329         case WIMLIB_COMPRESSION_TYPE_NONE:
 330                 return "uncompressed";
 331         case WIMLIB_COMPRESSION_TYPE_LZX:
 332                 return "LZX-compressed";
 333         case WIMLIB_COMPRESSION_TYPE_XPRESS:
 334                 return "XPRESS-compressed";
 335         }
 336         return NULL;
 337 }
 338
 339 static int imagex_progress_func(enum wimlib_progress_msg msg,
 340                                 const union wimlib_progress_info *info)
 341 {
 342         unsigned percent_done;
 343         switch (msg) {
 344         case WIMLIB_PROGRESS_MSG_WRITE_STREAMS:
 345                 percent_done = TO_PERCENT(info->write_streams.completed_bytes,
 346                                           info->write_streams.total_bytes);
 347                 if (info->write_streams.completed_streams == 0) {
 348                         const char *data_type;
 349
 350                         data_type = get_data_type(info->write_streams.compression_type);
 351                         printf("Writing %s data using %u thread%s\n",
 352                                data_type, info->write_streams.num_threads,
 353                                (info->write_streams.num_threads == 1) ? "" : "s");
 354                 }
 355                 printf("\r%"PRIu64" MiB of %"PRIu64" MiB (uncompressed) "
 356                        "written (%u%% done)",
 357                        info->write_streams.completed_bytes >> 20,
 358                        info->write_streams.total_bytes >> 20,
 359                        percent_done);
 360                 if (info->write_streams.completed_bytes == info->write_streams.total_bytes)
 361                         putchar('\n');
 362                 break;
 363         case WIMLIB_PROGRESS_MSG_SCAN_BEGIN:
 364                 printf("Scanning `%s'...\n", info->scan.source);
 365                 break;
 366         /*case WIMLIB_PROGRESS_MSG_SCAN_END:*/
 367                 /*break;*/
 368         case WIMLIB_PROGRESS_MSG_VERIFY_INTEGRITY:
 369                 percent_done = TO_PERCENT(info->integrity.completed_bytes,
 370                                           info->integrity.total_bytes);
 371                 printf("\rVerifying integrity of `%s': %"PRIu64" MiB "
 372                        "of %"PRIu64" MiB (%u%%) done",
 373                        info->integrity.filename,
 374                        info->integrity.completed_bytes >> 20,
 375                        info->integrity.total_bytes >> 20,
 376                        percent_done);
 377                 if (info->integrity.completed_bytes == info->integrity.total_bytes)
 378                         putchar('\n');
 379                 break;
 380         case WIMLIB_PROGRESS_MSG_CALC_INTEGRITY:
 381                 percent_done = TO_PERCENT(info->integrity.completed_bytes,
 382                                           info->integrity.total_bytes);
 383                 printf("\rCalculating integrity table for WIM: %"PRIu64" MiB "
 384                        "of %"PRIu64" MiB (%u%%) done",
 385                        info->integrity.completed_bytes >> 20,
 386                        info->integrity.total_bytes >> 20,
 387                        percent_done);
 388                 if (info->integrity.completed_bytes == info->integrity.total_bytes)
 389                         putchar('\n');
 390                 break;
 391         case WIMLIB_PROGRESS_MSG_EXTRACT_IMAGE_BEGIN:
 392                 /*printf("Applying image %d (%s) to `%s'\n",*/
 393                        /*info->extract.image,*/
 394                        /*info->extract.image_name,*/
 395                        /*info->extract.target);*/
 396                 break;
 397         /*case WIMLIB_PROGRESS_MSG_EXTRACT_IMAGE_END:*/
 398                 /*printf("Done applying image %d!\n",*/
 399                        /*info->extract.image);*/
 400                 /*break;*/
 401         /*case WIMLIB_PROGRESS_MSG_EXTRACT_DIR_STRUCTURE_BEGIN:*/
 402                 /*printf("Applying directory structure to %s\n",*/
 403                        /*info->extract.target);*/
 404                 /*break;*/
 405         case WIMLIB_PROGRESS_MSG_EXTRACT_STREAMS:
 406                 percent_done = TO_PERCENT(info->extract.completed_bytes,
 407                                           info->extract.total_bytes);
 408                 printf("\rExtracting files: "
 409                        "%"PRIu64" MiB of %"PRIu64" MiB (%u%%) done",
 410                        info->extract.completed_bytes >> 20,
 411                        info->extract.total_bytes >> 20,
 412                        percent_done);
 413                 if (info->extract.completed_bytes == info->extract.total_bytes)
 414                         putchar('\n');
 415                 break;
 416         case WIMLIB_PROGRESS_MSG_JOIN_STREAMS:
 417                 percent_done = TO_PERCENT(info->join.completed_bytes,
 418                                           info->join.total_bytes);
 419                 printf("Writing resources from part %u of %u: "
 420                        "%"PRIu64 " MiB of %"PRIu64" MiB (%u%%) written\n",
 421                        (info->join.completed_parts == info->join.total_parts) ?
 422                                 info->join.completed_parts : info->join.completed_parts + 1,
 423                        info->join.total_parts,
 424                        info->join.completed_bytes >> 20,
 425                        info->join.total_bytes >> 20,
 426                        percent_done);
 427                 break;
 428         case WIMLIB_PROGRESS_MSG_SPLIT_BEGIN_PART:
 429                 percent_done = TO_PERCENT(info->split.completed_bytes,
 430                                           info->split.total_bytes);
 431                 printf("Writing `%s': %"PRIu64" MiB of %"PRIu64" MiB (%u%%) written\n",
 432                        info->split.part_name,
 433                        info->split.completed_bytes >> 20,
 434                        info->split.total_bytes >> 20,
 435                        percent_done);
 436                 break;
 437         case WIMLIB_PROGRESS_MSG_SPLIT_END_PART:
 438                 if (info->split.completed_bytes == info->split.total_bytes) {
 439                         printf("Finished writing %u split WIM parts\n",
 440                                info->split.cur_part_number);
 441                 }
 442                 break;
 443         default:
 444                 break;
 445         }
 446         fflush(stdout);
 447         return 0;
 448 }
 449
 450
 451 static int open_swms_from_glob(const char *swm_glob,
 452                                const char *first_part,
 453                                int open_flags,
 454                                WIMStruct ***additional_swms_ret,
 455                                unsigned *num_additional_swms_ret)
 456 {
 457         unsigned num_additional_swms = 0;
 458         WIMStruct **additional_swms = NULL;
 459         glob_t globbuf;
 460         int ret;
 461
 462         ret = glob(swm_glob, GLOB_ERR | GLOB_NOSORT, NULL, &globbuf);
 463         if (ret != 0) {
 464                 if (ret == GLOB_NOMATCH) {
 465                         imagex_error("Found no files for glob \"%s\"",
 466                                      swm_glob);
 467                 } else {
 468                         imagex_error_with_errno("Failed to process glob "
 469                                                 "\"%s\"", swm_glob);
 470                 }
 471                 ret = -1;
 472                 goto out;
 473         }
 474         num_additional_swms = globbuf.gl_pathc;
 475         additional_swms = calloc(num_additional_swms, sizeof(additional_swms[0]));
 476         if (!additional_swms) {
 477                 imagex_error("Out of memory");
 478                 ret = -1;
 479                 goto out_globfree;
 480         }
 481         unsigned offset = 0;
 482         for (unsigned i = 0; i < num_additional_swms; i++) {
 483                 if (strcmp(globbuf.gl_pathv[i], first_part) == 0) {
 484                         offset++;
 485                         continue;
 486                 }
 487                 ret = wimlib_open_wim(globbuf.gl_pathv[i],
 488                                       open_flags | WIMLIB_OPEN_FLAG_SPLIT_OK,
 489                                       &additional_swms[i - offset],
 490                                       imagex_progress_func);
 491                 if (ret != 0)
 492                         goto out_close_swms;
 493         }
 494         *additional_swms_ret = additional_swms;
 495         *num_additional_swms_ret = num_additional_swms - offset;
 496         ret = 0;
 497         goto out_globfree;
 498 out_close_swms:
 499         for (unsigned i = 0; i < num_additional_swms; i++)
 500                 wimlib_free(additional_swms[i]);
 501         free(additional_swms);
 502 out_globfree:
 503         globfree(&globbuf);
 504 out:
 505         return ret;
 506 }
 507
 508
 509 static unsigned parse_num_threads(const char *optarg)
 510 {
 511         char *tmp;
 512         unsigned nthreads = strtoul(optarg, &tmp, 10);
 513         if (nthreads == UINT_MAX || *tmp || tmp == optarg) {
 514                 imagex_error("Number of threads must be a non-negative integer!");
 515                 return UINT_MAX;
 516         } else {
 517                 return nthreads;
 518         }
 519 }
 520
 521
 522 /* Extract one image, or all images, from a WIM file into a directory. */
 523 static int imagex_apply(int argc, const char **argv)
 524 {
 525         int c;
 526         int open_flags = WIMLIB_OPEN_FLAG_SPLIT_OK;
 527         int image;
 528         int num_images;
 529         WIMStruct *w;
 530         int ret;
 531         const char *wimfile;
 532         const char *target;
 533         const char *image_num_or_name;
 534         int extract_flags = WIMLIB_EXTRACT_FLAG_SEQUENTIAL;
 535
 536         const char *swm_glob = NULL;
 537         WIMStruct **additional_swms = NULL;
 538         unsigned num_additional_swms = 0;
 539
 540         for_opt(c, apply_options) {
 541                 switch (c) {
 542                 case 'c':
 543                         open_flags |= WIMLIB_OPEN_FLAG_CHECK_INTEGRITY;
 544                         break;
 545                 case 'h':
 546                         extract_flags |= WIMLIB_EXTRACT_FLAG_HARDLINK;
 547                         break;
 548                 case 's':
 549                         extract_flags |= WIMLIB_EXTRACT_FLAG_SYMLINK;
 550                         break;
 551                 case 'v':
 552                         extract_flags |= WIMLIB_EXTRACT_FLAG_VERBOSE;
 553                         break;
 554                 case 'r':
 555                         swm_glob = optarg;
 556                         break;
 557                 default:
 558                         usage(APPLY);
 559                         return -1;
 560                 }
 561         }
 562         argc -= optind;
 563         argv += optind;
 564         if (argc != 2 && argc != 3) {
 565                 usage(APPLY);
 566                 return -1;
 567         }
 568
 569         wimfile = argv[0];
 570         if (argc == 2) {
 571                 image_num_or_name = "1";
 572                 target = argv[1];
 573         } else {
 574                 image_num_or_name = argv[1];
 575                 target = argv[2];
 576         }
 577
 578         ret = wimlib_open_wim(wimfile, open_flags, &w, imagex_progress_func);
 579         if (ret != 0)
 580                 return ret;
 581
 582         image = wimlib_resolve_image(w, image_num_or_name);
 583         ret = verify_image_exists(image, image_num_or_name, wimfile);
 584         if (ret != 0)
 585                 goto out;
 586
 587         num_images = wimlib_get_num_images(w);
 588         if (argc == 2 && num_images != 1) {
 589                 imagex_error("`%s' contains %d images; Please select one "
 590                              "(or all)", wimfile, num_images);
 591                 usage(APPLY);
 592                 ret = -1;
 593                 goto out;
 594         }
 595
 596         if (swm_glob) {
 597                 ret = open_swms_from_glob(swm_glob, wimfile, open_flags,
 598                                           &additional_swms,
 599                                           &num_additional_swms);
 600                 if (ret != 0)
 601                         goto out;
 602         }
 603
 604 #ifdef WITH_NTFS_3G
 605         struct stat stbuf;
 606
 607         ret = stat(target, &stbuf);
 608         if (ret == 0) {
 609                 if (S_ISBLK(stbuf.st_mode) || S_ISREG(stbuf.st_mode)) {
 610                         extract_flags |= WIMLIB_EXTRACT_FLAG_NTFS;
 611                         printf("Applying `%s' image %d to NTFS volume `%s'\n",
 612                                wimfile, image, target);
 613                 }
 614         } else {
 615                 if (errno != ENOENT) {
 616                         imagex_error_with_errno("Failed to stat `%s'", target);
 617                         ret = -1;
 618                         goto out;
 619                 }
 620         }
 621 #endif
 622
 623         ret = wimlib_extract_image(w, image, target, extract_flags,
 624                                    additional_swms, num_additional_swms,
 625                                    imagex_progress_func);
 626 out:
 627         wimlib_free(w);
 628         if (additional_swms) {
 629                 for (unsigned i = 0; i < num_additional_swms; i++)
 630                         wimlib_free(additional_swms[i]);
 631                 free(additional_swms);
 632         }
 633         return ret;
 634 }
 635
 636 static int imagex_capture_or_append(int argc, const char **argv)
 637 {
 638         int c;
 639         int open_flags = 0;
 640         int add_image_flags = 0;
 641         int write_flags = 0;
 642         int compression_type = WIMLIB_COMPRESSION_TYPE_XPRESS;
 643         const char *source;
 644         const char *wimfile;
 645         const char *name;
 646         const char *desc;
 647         const char *flags_element = NULL;
 648         const char *config_file = NULL;
 649         char *config_str = NULL;
 650         size_t config_len = 0;
 651         WIMStruct *w = NULL;
 652         int ret;
 653         int cur_image;
 654         char *default_name;
 655         int cmd = strcmp(argv[0], "append") ? CAPTURE : APPEND;
 656         unsigned num_threads = 0;
 657
 658         for_opt(c, capture_or_append_options) {
 659                 switch (c) {
 660                 case 'b':
 661                         add_image_flags |= WIMLIB_ADD_IMAGE_FLAG_BOOT;
 662                         break;
 663                 case 'c':
 664                         open_flags |= WIMLIB_OPEN_FLAG_CHECK_INTEGRITY;
 665                         write_flags |= WIMLIB_WRITE_FLAG_CHECK_INTEGRITY;
 666                         break;
 667                 case 'C':
 668                         config_file = optarg;
 669                         break;
 670                 case 'x':
 671                         compression_type = get_compression_type(optarg);
 672                         if (compression_type == WIMLIB_COMPRESSION_TYPE_INVALID)
 673                                 return -1;
 674                         break;
 675                 case 'f':
 676                         flags_element = optarg;
 677                         break;
 678                 case 'L':
 679                         add_image_flags |= WIMLIB_ADD_IMAGE_FLAG_DEREFERENCE;
 680                         break;
 681                 case 'v':
 682                         add_image_flags |= WIMLIB_ADD_IMAGE_FLAG_VERBOSE;
 683                         break;
 684                 case 't':
 685                         num_threads = parse_num_threads(optarg);
 686                         if (num_threads == UINT_MAX)
 687                                 return -1;
 688                         break;
 689                 case 'R':
 690                         write_flags |= WIMLIB_WRITE_FLAG_REBUILD;
 691                         break;
 692                 default:
 693                         usage(cmd);
 694                         return -1;
 695                 }
 696         }
 697         argc -= optind;
 698         argv += optind;
 699         if (argc < 2 || argc > 4) {
 700                 usage(cmd);
 701                 return -1;
 702         }
 703         source = argv[0];
 704         wimfile = argv[1];
 705
 706         char source_copy[strlen(source) + 1];
 707         memcpy(source_copy, source, strlen(source) + 1);
 708         default_name = basename(source_copy);
 709
 710         name = (argc >= 3) ? argv[2] : default_name;
 711         desc = (argc >= 4) ? argv[3] : NULL;
 712
 713         if (config_file) {
 714                 config_str = file_get_contents(config_file, &config_len);
 715                 if (!config_str)
 716                         return -1;
 717         }
 718
 719         if (cmd == APPEND)
 720                 ret = wimlib_open_wim(wimfile, open_flags, &w,
 721                                       imagex_progress_func);
 722         else
 723                 ret = wimlib_create_new_wim(compression_type, &w);
 724         if (ret != 0)
 725                 goto out;
 726
 727 #ifdef WITH_NTFS_3G
 728         struct stat stbuf;
 729
 730         ret = stat(source, &stbuf);
 731         if (ret == 0) {
 732                 if (S_ISBLK(stbuf.st_mode) || S_ISREG(stbuf.st_mode)) {
 733                         printf("Capturing WIM image from NTFS filesystem on `%s'\n",
 734                                source);
 735                         add_image_flags |= WIMLIB_ADD_IMAGE_FLAG_NTFS;
 736                 }
 737         } else {
 738                 if (errno != ENOENT) {
 739                         imagex_error_with_errno("Failed to stat `%s'", source);
 740                         ret = -1;
 741                         goto out;
 742                 }
 743         }
 744 #endif
 745         ret = wimlib_add_image(w, source, name, config_str, config_len,
 746                                add_image_flags, imagex_progress_func);
 747
 748         if (ret != 0)
 749                 goto out;
 750         cur_image = wimlib_get_num_images(w);
 751         if (desc) {
 752                 ret = wimlib_set_image_descripton(w, cur_image, desc);
 753                 if (ret != 0)
 754                         goto out;
 755         }
 756         if (flags_element) {
 757                 ret = wimlib_set_image_flags(w, cur_image, flags_element);
 758                 if (ret != 0)
 759                         goto out;
 760         }
 761         if (cmd == APPEND) {
 762                 ret = wimlib_overwrite(w, write_flags, num_threads,
 763                                        imagex_progress_func);
 764         } else {
 765                 ret = wimlib_write(w, wimfile, WIMLIB_ALL_IMAGES, write_flags,
 766                                    num_threads, imagex_progress_func);
 767         }
 768         if (ret == WIMLIB_ERR_REOPEN)
 769                 ret = 0;
 770         if (ret != 0)
 771                 imagex_error("Failed to write the WIM file `%s'", wimfile);
 772 out:
 773         wimlib_free(w);
 774         free(config_str);
 775         return ret;
 776 }
 777
 778 /* Remove image(s) from a WIM. */
 779 static int imagex_delete(int argc, const char **argv)
 780 {
 781         int c;
 782         int open_flags = 0;
 783         int write_flags = 0;
 784         const char *wimfile;
 785         const char *image_num_or_name;
 786         WIMStruct *w;
 787         int image;
 788         int ret;
 789
 790         for_opt(c, delete_options) {
 791                 switch (c) {
 792                 case 'c':
 793                         open_flags |= WIMLIB_OPEN_FLAG_CHECK_INTEGRITY;
 794                         write_flags |= WIMLIB_WRITE_FLAG_CHECK_INTEGRITY;
 795                         break;
 796                 case 's':
 797                         write_flags |= WIMLIB_WRITE_FLAG_SOFT_DELETE;
 798                         break;
 799                 default:
 800                         usage(DELETE);
 801                         return -1;
 802                 }
 803         }
 804         argc -= optind;
 805         argv += optind;
 806
 807         if (argc != 2) {
 808                 if (argc < 1)
 809                         imagex_error("Must specify a WIM file");
 810                 if (argc < 2)
 811                         imagex_error("Must specify an image");
 812                 usage(DELETE);
 813                 return -1;
 814         }
 815         wimfile = argv[0];
 816         image_num_or_name = argv[1];
 817
 818         ret = file_writable(wimfile);
 819         if (ret != 0)
 820                 return ret;
 821
 822         ret = wimlib_open_wim(wimfile, open_flags, &w,
 823                               imagex_progress_func);
 824         if (ret != 0)
 825                 return ret;
 826
 827         image = wimlib_resolve_image(w, image_num_or_name);
 828
 829         ret = verify_image_exists(image, image_num_or_name, wimfile);
 830         if (ret != 0)
 831                 goto out;
 832
 833         ret = wimlib_delete_image(w, image);
 834         if (ret != 0) {
 835                 imagex_error("Failed to delete image from `%s'", wimfile);
 836                 goto out;
 837         }
 838
 839         ret = wimlib_overwrite(w, write_flags, 0, imagex_progress_func);
 840         if (ret == WIMLIB_ERR_REOPEN)
 841                 ret = 0;
 842         if (ret != 0) {
 843                 imagex_error("Failed to write the file `%s' with image "
 844                              "deleted", wimfile);
 845         }
 846 out:
 847         wimlib_free(w);
 848         return ret;
 849 }
 850
 851 /* Print the files contained in an image(s) in a WIM file. */
 852 static int imagex_dir(int argc, const char **argv)
 853 {
 854         const char *wimfile;
 855         WIMStruct *w;
 856         int image;
 857         int ret;
 858         int num_images;
 859
 860         if (argc < 2) {
 861                 imagex_error("Must specify a WIM file");
 862                 usage(DIR);
 863                 return -1;
 864         }
 865         if (argc > 3) {
 866                 imagex_error("Too many arguments");
 867                 usage(DIR);
 868                 return -1;
 869         }
 870
 871         wimfile = argv[1];
 872         ret = wimlib_open_wim(wimfile, WIMLIB_OPEN_FLAG_SPLIT_OK, &w,
 873                               imagex_progress_func);
 874         if (ret != 0)
 875                 return ret;
 876
 877         if (argc == 3) {
 878                 image = wimlib_resolve_image(w, argv[2]);
 879                 ret = verify_image_exists(image, argv[2], wimfile);
 880                 if (ret != 0)
 881                         goto out;
 882         } else {
 883                 /* Image was not specified.  If the WIM only contains one image,
 884                  * choose that one; otherwise, print an error. */
 885                 num_images = wimlib_get_num_images(w);
 886                 if (num_images != 1) {
 887                         imagex_error("The file `%s' contains %d images; Please "
 888                                      "select one.", wimfile, num_images);
 889                         usage(DIR);
 890                         ret = -1;
 891                         goto out;
 892                 }
 893                 image = 1;
 894         }
 895
 896         ret = wimlib_print_files(w, image);
 897 out:
 898         wimlib_free(w);
 899         return ret;
 900 }
 901
 902 /* Exports one, or all, images from a WIM file to a new WIM file or an existing
 903  * WIM file. */
 904 static int imagex_export(int argc, const char **argv)
 905 {
 906         int c;
 907         int open_flags = 0;
 908         int export_flags = 0;
 909         int write_flags = 0;
 910         int compression_type = WIMLIB_COMPRESSION_TYPE_NONE;
 911         bool compression_type_specified = false;
 912         const char *src_wimfile;
 913         const char *src_image_num_or_name;
 914         const char *dest_wimfile;
 915         const char *dest_name;
 916         const char *dest_desc;
 917         WIMStruct *src_w = NULL;
 918         WIMStruct *dest_w = NULL;
 919         int ret;
 920         int image;
 921         struct stat stbuf;
 922         bool wim_is_new;
 923         const char *swm_glob = NULL;
 924         WIMStruct **additional_swms = NULL;
 925         unsigned num_additional_swms = 0;
 926         unsigned num_threads = 0;
 927
 928         for_opt(c, export_options) {
 929                 switch (c) {
 930                 case 'b':
 931                         export_flags |= WIMLIB_EXPORT_FLAG_BOOT;
 932                         break;
 933                 case 'c':
 934                         open_flags |= WIMLIB_OPEN_FLAG_CHECK_INTEGRITY;
 935                         write_flags |= WIMLIB_WRITE_FLAG_CHECK_INTEGRITY;
 936                         break;
 937                 case 'x':
 938                         compression_type = get_compression_type(optarg);
 939                         if (compression_type == WIMLIB_COMPRESSION_TYPE_INVALID)
 940                                 return -1;
 941                         compression_type_specified = true;
 942                         break;
 943                 case 'r':
 944                         swm_glob = optarg;
 945                         break;
 946                 case 't':
 947                         num_threads = parse_num_threads(optarg);
 948                         if (num_threads == UINT_MAX)
 949                                 return -1;
 950                         break;
 951                 case 'R':
 952                         write_flags |= WIMLIB_WRITE_FLAG_REBUILD;
 953                         break;
 954                 default:
 955                         usage(EXPORT);
 956                         return -1;
 957                 }
 958         }
 959         argc -= optind;
 960         argv += optind;
 961         if (argc < 3 || argc > 5) {
 962                 usage(EXPORT);
 963                 return -1;
 964         }
 965         src_wimfile           = argv[0];
 966         src_image_num_or_name = argv[1];
 967         dest_wimfile          = argv[2];
 968         dest_name             = (argc >= 4) ? argv[3] : NULL;
 969         dest_desc             = (argc >= 5) ? argv[4] : NULL;
 970         ret = wimlib_open_wim(src_wimfile,
 971                               open_flags | WIMLIB_OPEN_FLAG_SPLIT_OK, &src_w,
 972                               imagex_progress_func);
 973         if (ret != 0)
 974                 return ret;
 975
 976         /* Determine if the destination is an existing file or not.
 977          * If so, we try to append the exported image(s) to it; otherwise, we
 978          * create a new WIM containing the exported image(s). */
 979         if (stat(dest_wimfile, &stbuf) == 0) {
 980                 int dest_ctype;
 981
 982                 wim_is_new = false;
 983                 /* Destination file exists. */
 984                 if (!S_ISREG(stbuf.st_mode) && !S_ISLNK(stbuf.st_mode)) {
 985                         imagex_error("`%s' is not a regular file",
 986                                         dest_wimfile);
 987                         ret = -1;
 988                         goto out;
 989                 }
 990                 ret = wimlib_open_wim(dest_wimfile, open_flags, &dest_w,
 991                                       imagex_progress_func);
 992                 if (ret != 0)
 993                         goto out;
 994
 995                 ret = file_writable(dest_wimfile);
 996                 if (ret != 0)
 997                         return ret;
 998
 999                 dest_ctype = wimlib_get_compression_type(dest_w);
1000                 if (compression_type_specified
1001                     && compression_type != dest_ctype)
1002                 {
1003                         imagex_error("Cannot specify a compression type that is "
1004                                      "not the same as that used in the "
1005                                      "destination WIM");
1006                         ret = -1;
1007                         goto out;
1008                 }
1009                 compression_type = dest_ctype;
1010         } else {
1011                 wim_is_new = true;
1012                 /* dest_wimfile is not an existing file, so create a new WIM. */
1013                 if (!compression_type_specified)
1014                         compression_type = wimlib_get_compression_type(src_w);
1015                 if (errno == ENOENT) {
1016                         ret = wimlib_create_new_wim(compression_type, &dest_w);
1017                         if (ret != 0)
1018                                 goto out;
1019                 } else {
1020                         imagex_error_with_errno("Cannot stat file `%s'",
1021                                                 dest_wimfile);
1022                         ret = -1;
1023                         goto out;
1024                 }
1025         }
1026
1027         image = wimlib_resolve_image(src_w, src_image_num_or_name);
1028         ret = verify_image_exists(image, src_image_num_or_name, src_wimfile);
1029         if (ret != 0)
1030                 goto out;
1031
1032         if (swm_glob) {
1033                 ret = open_swms_from_glob(swm_glob, src_wimfile, open_flags,
1034                                           &additional_swms,
1035                                           &num_additional_swms);
1036                 if (ret != 0)
1037                         goto out;
1038         }
1039
1040         ret = wimlib_export_image(src_w, image, dest_w, dest_name, dest_desc,
1041                                   export_flags, additional_swms,
1042                                   num_additional_swms, imagex_progress_func);
1043         if (ret != 0)
1044                 goto out;
1045
1046
1047         if (wim_is_new)
1048                 ret = wimlib_write(dest_w, dest_wimfile, WIMLIB_ALL_IMAGES,
1049                                    write_flags, num_threads,
1050                                    imagex_progress_func);
1051         else
1052                 ret = wimlib_overwrite(dest_w, write_flags, num_threads,
1053                                        imagex_progress_func);
1054 out:
1055         if (ret == WIMLIB_ERR_REOPEN)
1056                 ret = 0;
1057         wimlib_free(src_w);
1058         wimlib_free(dest_w);
1059         if (additional_swms) {
1060                 for (unsigned i = 0; i < num_additional_swms; i++)
1061                         wimlib_free(additional_swms[i]);
1062                 free(additional_swms);
1063         }
1064         return ret;
1065 }
1066
1067 /* Prints information about a WIM file; also can mark an image as bootable,
1068  * change the name of an image, or change the description of an image. */
1069 static int imagex_info(int argc, const char **argv)
1070 {
1071         int c;
1072         bool boot         = false;
1073         bool check        = false;
1074         bool header       = false;
1075         bool lookup_table = false;
1076         bool xml          = false;
1077         bool metadata     = false;
1078         bool short_header = true;
1079         const char *xml_out_file = NULL;
1080         const char *wimfile;
1081         const char *image_num_or_name = "all";
1082         const char *new_name = NULL;
1083         const char *new_desc = NULL;
1084         WIMStruct *w;
1085         FILE *fp;
1086         int image;
1087         int ret;
1088         int open_flags = WIMLIB_OPEN_FLAG_SPLIT_OK;
1089         int part_number;
1090         int total_parts;
1091
1092         for_opt(c, info_options) {
1093                 switch (c) {
1094                 case 'b':
1095                         boot = true;
1096                         break;
1097                 case 'c':
1098                         check = true;
1099                         break;
1100                 case 'h':
1101                         header = true;
1102                         short_header = false;
1103                         break;
1104                 case 'l':
1105                         lookup_table = true;
1106                         short_header = false;
1107                         break;
1108                 case 'x':
1109                         xml = true;
1110                         short_header = false;
1111                         break;
1112                 case 'X':
1113                         xml_out_file = optarg;
1114                         short_header = false;
1115                         break;
1116                 case 'm':
1117                         metadata = true;
1118                         short_header = false;
1119                         break;
1120                 default:
1121                         usage(INFO);
1122                         return -1;
1123                 }
1124         }
1125
1126         argc -= optind;
1127         argv += optind;
1128         if (argc == 0 || argc > 4) {
1129                 usage(INFO);
1130                 return -1;
1131         }
1132         wimfile = argv[0];
1133         if (argc > 1) {
1134                 image_num_or_name = argv[1];
1135                 if (argc > 2) {
1136                         new_name = argv[2];
1137                         if (argc > 3) {
1138                                 new_desc = argv[3];
1139                         }
1140                 }
1141         }
1142
1143         if (check)
1144                 open_flags |= WIMLIB_OPEN_FLAG_CHECK_INTEGRITY;
1145
1146         ret = wimlib_open_wim(wimfile, open_flags, &w,
1147                               imagex_progress_func);
1148         if (ret != 0)
1149                 return ret;
1150
1151         part_number = wimlib_get_part_number(w, &total_parts);
1152
1153         image = wimlib_resolve_image(w, image_num_or_name);
1154         if (image == WIMLIB_NO_IMAGE && strcmp(image_num_or_name, "0") != 0) {
1155                 imagex_error("The image `%s' does not exist",
1156                                                 image_num_or_name);
1157                 if (boot)
1158                         imagex_error("If you would like to set the boot "
1159                                      "index to 0, specify image \"0\" with "
1160                                      "the --boot flag.");
1161                 ret = WIMLIB_ERR_INVALID_IMAGE;
1162                 goto out;
1163         }
1164
1165         if (image == WIMLIB_ALL_IMAGES && wimlib_get_num_images(w) > 1) {
1166                 if (boot) {
1167                         imagex_error("Cannot specify the --boot flag "
1168                                      "without specifying a specific "
1169                                      "image in a multi-image WIM");
1170                         ret = WIMLIB_ERR_INVALID_IMAGE;
1171                         goto out;
1172                 }
1173                 if (new_name) {
1174                         imagex_error("Cannot specify the NEW_NAME "
1175                                      "without specifying a specific "
1176                                      "image in a multi-image WIM");
1177                         ret = WIMLIB_ERR_INVALID_IMAGE;
1178                         goto out;
1179                 }
1180         }
1181
1182         /* Operations that print information are separated from operations that
1183          * recreate the WIM file. */
1184         if (!new_name && !boot) {
1185
1186                 /* Read-only operations */
1187
1188                 if (image == WIMLIB_NO_IMAGE) {
1189                         imagex_error("`%s' is not a valid image",
1190                                      image_num_or_name);
1191                         ret = WIMLIB_ERR_INVALID_IMAGE;
1192                         goto out;
1193                 }
1194
1195                 if (image == WIMLIB_ALL_IMAGES && short_header)
1196                         wimlib_print_wim_information(w);
1197
1198                 if (header)
1199                         wimlib_print_header(w);
1200
1201                 if (lookup_table) {
1202                         if (total_parts != 1) {
1203                                 printf("Warning: Only showing the lookup table "
1204                                        "for part %d of a %d-part WIM.\n",
1205                                        part_number, total_parts);
1206                         }
1207                         wimlib_print_lookup_table(w);
1208                 }
1209
1210                 if (xml) {
1211                         ret = wimlib_extract_xml_data(w, stdout);
1212                         if (ret != 0)
1213                                 goto out;
1214                 }
1215
1216                 if (xml_out_file) {
1217                         fp = fopen(xml_out_file, "wb");
1218                         if (!fp) {
1219                                 imagex_error_with_errno("Failed to open the "
1220                                                         "file `%s' for "
1221                                                         "writing ",
1222                                                         xml_out_file);
1223                                 goto out;
1224                         }
1225                         ret = wimlib_extract_xml_data(w, fp);
1226                         if (fclose(fp) != 0) {
1227                                 imagex_error("Failed to close the file `%s'",
1228                                              xml_out_file);
1229                                 goto out;
1230                         }
1231
1232                         if (ret != 0)
1233                                 goto out;
1234                 }
1235
1236                 if (short_header)
1237                         wimlib_print_available_images(w, image);
1238
1239                 if (metadata) {
1240                         ret = wimlib_print_metadata(w, image);
1241                         if (ret != 0)
1242                                 goto out;
1243                 }
1244         } else {
1245
1246                 /* Modification operations */
1247                 if (total_parts != 1) {
1248                         imagex_error("Modifying a split WIM is not supported.");
1249                         return -1;
1250                 }
1251                 if (image == WIMLIB_ALL_IMAGES)
1252                         image = 1;
1253
1254                 if (image == WIMLIB_NO_IMAGE && new_name) {
1255                         imagex_error("Cannot specify new_name (`%s') when "
1256                                      "using image 0", new_name);
1257                         return -1;
1258                 }
1259
1260                 if (boot) {
1261                         if (image == wimlib_get_boot_idx(w)) {
1262                                 printf("Image %d is already marked as "
1263                                        "bootable.\n", image);
1264                                 boot = false;
1265                         } else {
1266                                 printf("Marking image %d as bootable.\n",
1267                                        image);
1268                                 wimlib_set_boot_idx(w, image);
1269                         }
1270                 }
1271                 if (new_name) {
1272                         if (strcmp(wimlib_get_image_name(w, image),
1273                                                 new_name) == 0) {
1274                                 printf("Image %d is already named \"%s\".\n",
1275                                        image, new_name);
1276                                 new_name = NULL;
1277                         } else {
1278                                 printf("Changing the name of image %d to "
1279                                        "\"%s\".\n", image, new_name);
1280                                 ret = wimlib_set_image_name(w, image, new_name);
1281                                 if (ret != 0)
1282                                         goto out;
1283                         }
1284                 }
1285                 if (new_desc) {
1286                         const char *old_desc;
1287                         old_desc = wimlib_get_image_description(w, image);
1288                         if (old_desc && strcmp(old_desc, new_desc) == 0) {
1289                                 printf("The description of image %d is already "
1290                                        "\"%s\".\n", image, new_desc);
1291                                 new_desc = NULL;
1292                         } else {
1293                                 printf("Changing the description of image %d "
1294                                        "to \"%s\".\n", image, new_desc);
1295                                 ret = wimlib_set_image_descripton(w, image,
1296                                                                   new_desc);
1297                                 if (ret != 0)
1298                                         goto out;
1299                         }
1300                 }
1301
1302                 /* Only call wimlib_overwrite() if something actually needs to
1303                  * be changed. */
1304                 if (boot || new_name || new_desc ||
1305                                 check != wimlib_has_integrity_table(w)) {
1306
1307                         ret = file_writable(wimfile);
1308                         if (ret != 0)
1309                                 return ret;
1310
1311                         int write_flags;
1312                         if (check) {
1313                                 write_flags = WIMLIB_WRITE_FLAG_CHECK_INTEGRITY;
1314                         } else {
1315                                 write_flags = 0;
1316                         }
1317
1318                         ret = wimlib_overwrite(w, write_flags, 1,
1319                                                imagex_progress_func);
1320                         if (ret == WIMLIB_ERR_REOPEN)
1321                                 ret = 0;
1322                 } else {
1323                         printf("The file `%s' was not modified because nothing "
1324                                         "needed to be done.\n", wimfile);
1325                         ret = 0;
1326                 }
1327         }
1328 out:
1329         wimlib_free(w);
1330         return ret;
1331 }
1332
1333 /* Join split WIMs into one part WIM */
1334 static int imagex_join(int argc, const char **argv)
1335 {
1336         int c;
1337         int swm_open_flags = WIMLIB_OPEN_FLAG_SPLIT_OK;
1338         int wim_write_flags = 0;
1339         const char *output_path;
1340
1341         for_opt(c, join_options) {
1342                 switch (c) {
1343                 case 'c':
1344                         swm_open_flags |= WIMLIB_OPEN_FLAG_CHECK_INTEGRITY;
1345                         wim_write_flags |= WIMLIB_WRITE_FLAG_CHECK_INTEGRITY;
1346                         break;
1347                 default:
1348                         goto err;
1349                 }
1350         }
1351         argc -= optind;
1352         argv += optind;
1353
1354         if (argc < 2) {
1355                 imagex_error("Must specify one or more split WIM (.swm) parts "
1356                              "to join");
1357                 goto err;
1358         }
1359         output_path = argv[0];
1360         return wimlib_join(++argv, --argc, output_path, swm_open_flags,
1361                            wim_write_flags, imagex_progress_func);
1362 err:
1363         usage(JOIN);
1364         return -1;
1365 }
1366
1367 /* Mounts an image using a FUSE mount. */
1368 static int imagex_mount_rw_or_ro(int argc, const char **argv)
1369 {
1370         int c;
1371         int mount_flags = 0;
1372         int open_flags = WIMLIB_OPEN_FLAG_SPLIT_OK;
1373         const char *wimfile;
1374         const char *dir;
1375         WIMStruct *w;
1376         int image;
1377         int num_images;
1378         int ret;
1379         const char *swm_glob = NULL;
1380         WIMStruct **additional_swms = NULL;
1381         unsigned num_additional_swms = 0;
1382
1383         if (strcmp(argv[0], "mountrw") == 0)
1384                 mount_flags |= WIMLIB_MOUNT_FLAG_READWRITE;
1385
1386         for_opt(c, mount_options) {
1387                 switch (c) {
1388                 case 'c':
1389                         open_flags |= WIMLIB_OPEN_FLAG_CHECK_INTEGRITY;
1390                         break;
1391                 case 'd':
1392                         mount_flags |= WIMLIB_MOUNT_FLAG_DEBUG;
1393                         break;
1394                 case 's':
1395                         if (strcasecmp(optarg, "none") == 0)
1396                                 mount_flags |= WIMLIB_MOUNT_FLAG_STREAM_INTERFACE_NONE;
1397                         else if (strcasecmp(optarg, "xattr") == 0)
1398                                 mount_flags |= WIMLIB_MOUNT_FLAG_STREAM_INTERFACE_XATTR;
1399                         else if (strcasecmp(optarg, "windows") == 0)
1400                                 mount_flags |= WIMLIB_MOUNT_FLAG_STREAM_INTERFACE_WINDOWS;
1401                         else {
1402                                 imagex_error("Unknown stream interface \"%s\"", optarg);
1403                                 goto mount_usage;
1404                         }
1405                         break;
1406                 case 'r':
1407                         swm_glob = optarg;
1408                         break;
1409                 default:
1410                         goto mount_usage;
1411                 }
1412         }
1413         argc -= optind;
1414         argv += optind;
1415         if (argc != 2 && argc != 3)
1416                 goto mount_usage;
1417
1418         wimfile = argv[0];
1419
1420         ret = wimlib_open_wim(wimfile, open_flags, &w,
1421                               imagex_progress_func);
1422         if (ret != 0)
1423                 return ret;
1424
1425         if (swm_glob) {
1426                 ret = open_swms_from_glob(swm_glob, wimfile, open_flags,
1427                                           &additional_swms,
1428                                           &num_additional_swms);
1429                 if (ret != 0)
1430                         goto out;
1431         }
1432
1433         if (argc == 2) {
1434                 image = 1;
1435                 num_images = wimlib_get_num_images(w);
1436                 if (num_images != 1) {
1437                         imagex_error("The file `%s' contains %d images; Please "
1438                                      "select one.", wimfile, num_images);
1439                         usage((mount_flags & WIMLIB_MOUNT_FLAG_READWRITE)
1440                                         ? MOUNTRW : MOUNT);
1441                         ret = -1;
1442                         goto out;
1443                 }
1444                 dir = argv[1];
1445         } else {
1446                 image = wimlib_resolve_image(w, argv[1]);
1447                 dir = argv[2];
1448                 ret = verify_image_exists_and_is_single(image, argv[1], wimfile);
1449                 if (ret != 0)
1450                         goto out;
1451         }
1452
1453         if (mount_flags & WIMLIB_MOUNT_FLAG_READWRITE) {
1454                 ret = file_writable(wimfile);
1455                 if (ret != 0)
1456                         return ret;
1457         }
1458
1459         ret = wimlib_mount_image(w, image, dir, mount_flags, additional_swms,
1460                                  num_additional_swms);
1461         if (ret != 0) {
1462                 imagex_error("Failed to mount image %d from `%s' on `%s'",
1463                              image, wimfile, dir);
1464
1465         }
1466 out:
1467         wimlib_free(w);
1468         if (additional_swms) {
1469                 for (unsigned i = 0; i < num_additional_swms; i++)
1470                         wimlib_free(additional_swms[i]);
1471                 free(additional_swms);
1472         }
1473         return ret;
1474 mount_usage:
1475         usage((mount_flags & WIMLIB_MOUNT_FLAG_READWRITE)
1476                         ? MOUNTRW : MOUNT);
1477         return -1;
1478 }
1479
1480 static int imagex_optimize(int argc, const char **argv)
1481 {
1482         int c;
1483         int open_flags = 0;
1484         int write_flags = WIMLIB_WRITE_FLAG_REBUILD;
1485         int ret;
1486         WIMStruct *w;
1487         const char *wimfile;
1488         off_t old_size;
1489         off_t new_size;
1490
1491         for_opt(c, optimize_options) {
1492                 switch (c) {
1493                 case 'c':
1494                         open_flags |= WIMLIB_OPEN_FLAG_CHECK_INTEGRITY;
1495                         write_flags |= WIMLIB_WRITE_FLAG_CHECK_INTEGRITY;
1496                         break;
1497                 case 'r':
1498                         write_flags |= WIMLIB_WRITE_FLAG_RECOMPRESS;
1499                         break;
1500                 default:
1501                         usage(OPTIMIZE);
1502                         return -1;
1503                 }
1504         }
1505         argc -= optind;
1506         argv += optind;
1507
1508         if (argc != 1) {
1509                 usage(OPTIMIZE);
1510                 return -1;
1511         }
1512
1513         wimfile = argv[0];
1514
1515         ret = wimlib_open_wim(wimfile, open_flags, &w,
1516                               imagex_progress_func);
1517         if (ret != 0)
1518                 return ret;
1519
1520         old_size = file_get_size(argv[0]);
1521         printf("`%s' original size: ", wimfile);
1522         if (old_size == -1)
1523                 puts("Unknown");
1524         else
1525                 printf("%"PRIu64" KiB\n", old_size >> 10);
1526
1527         ret = wimlib_overwrite(w, write_flags, 0, imagex_progress_func);
1528
1529         new_size = file_get_size(argv[0]);
1530         printf("`%s' optimized size: ", wimfile);
1531         if (new_size == -1)
1532                 puts("Unknown");
1533         else
1534                 printf("%"PRIu64" KiB\n", new_size >> 10);
1535
1536         fputs("Space saved: ", stdout);
1537         if (new_size != -1 && old_size != -1) {
1538                 printf("%lld KiB\n",
1539                        ((long long)old_size - (long long)new_size) >> 10);
1540         } else {
1541                 puts("Unknown");
1542         }
1543
1544         wimlib_free(w);
1545         return ret;
1546 }
1547
1548 /* Split a WIM into a spanned set */
1549 static int imagex_split(int argc, const char **argv)
1550 {
1551         int c;
1552         int open_flags = WIMLIB_OPEN_FLAG_SPLIT_OK;
1553         int write_flags = 0;
1554         unsigned long part_size;
1555         char *tmp;
1556         int ret;
1557         WIMStruct *w;
1558
1559         for_opt(c, split_options) {
1560                 switch (c) {
1561                 case 'c':
1562                         open_flags |= WIMLIB_OPEN_FLAG_CHECK_INTEGRITY;
1563                         write_flags |= WIMLIB_WRITE_FLAG_CHECK_INTEGRITY;
1564                         break;
1565                 default:
1566                         usage(SPLIT);
1567                         return -1;
1568                 }
1569         }
1570         argc -= optind;
1571         argv += optind;
1572
1573         if (argc != 3) {
1574                 usage(SPLIT);
1575                 return -1;
1576         }
1577         part_size = strtod(argv[2], &tmp) * (1 << 20);
1578         if (tmp == argv[2] || *tmp) {
1579                 imagex_error("Invalid part size \"%s\"", argv[2]);
1580                 imagex_error("The part size must be an integer or floating-point number of megabytes.");
1581                 return -1;
1582         }
1583         ret = wimlib_open_wim(argv[0], open_flags, &w, imagex_progress_func);
1584         if (ret != 0)
1585                 return ret;
1586         ret = wimlib_split(w, argv[1], part_size, write_flags, imagex_progress_func);
1587         wimlib_free(w);
1588         return ret;
1589 }
1590
1591 /* Unmounts an image. */
1592 static int imagex_unmount(int argc, const char **argv)
1593 {
1594         int c;
1595         int unmount_flags = 0;
1596         int ret;
1597
1598         for_opt(c, unmount_options) {
1599                 switch (c) {
1600                 case 'c':
1601                         unmount_flags |= WIMLIB_UNMOUNT_FLAG_COMMIT;
1602                         break;
1603                 case 'C':
1604                         unmount_flags |= WIMLIB_UNMOUNT_FLAG_CHECK_INTEGRITY;
1605                         break;
1606                 default:
1607                         usage(UNMOUNT);
1608                         return -1;
1609                 }
1610         }
1611         argc -= optind;
1612         argv += optind;
1613         if (argc != 1) {
1614                 usage(UNMOUNT);
1615                 return -1;
1616         }
1617
1618         ret = wimlib_unmount_image(argv[0], unmount_flags);
1619         if (ret != 0)
1620                 imagex_error("Failed to unmount `%s'", argv[0]);
1621         return ret;
1622 }
1623
1624 struct imagex_command {
1625         const char *name;
1626         int (*func)(int , const char **);
1627         int cmd;
1628 };
1629
1630
1631 #define for_imagex_command(p) for (p = &imagex_commands[0]; \
1632                 p != &imagex_commands[ARRAY_LEN(imagex_commands)]; p++)
1633
1634 static const struct imagex_command imagex_commands[] = {
1635         {"append",  imagex_capture_or_append, APPEND},
1636         {"apply",   imagex_apply,             APPLY},
1637         {"capture", imagex_capture_or_append, CAPTURE},
1638         {"delete",  imagex_delete,            DELETE},
1639         {"dir",     imagex_dir,               DIR},
1640         {"export",  imagex_export,            EXPORT},
1641         {"info",    imagex_info,              INFO},
1642         {"join",    imagex_join,              JOIN},
1643         {"mount",   imagex_mount_rw_or_ro,    MOUNT},
1644         {"mountrw", imagex_mount_rw_or_ro,    MOUNTRW},
1645         {"optimize",imagex_optimize,          OPTIMIZE},
1646         {"split",   imagex_split,             SPLIT},
1647         {"unmount", imagex_unmount,           UNMOUNT},
1648 };
1649
1650 static void version()
1651 {
1652         static const char *s =
1653         "imagex (" PACKAGE ") " PACKAGE_VERSION "\n"
1654         "Copyright (C) 2012 Eric Biggers\n"
1655         "License GPLv3+; GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>.\n"
1656         "This is free software: you are free to change and redistribute it.\n"
1657         "There is NO WARRANTY, to the extent permitted by law.\n"
1658         "\n"
1659         "Report bugs to "PACKAGE_BUGREPORT".\n";
1660         fputs(s, stdout);
1661 }
1662
1663
1664 static void help_or_version(int argc, const char **argv)
1665 {
1666         int i;
1667         const char *p;
1668         const struct imagex_command *cmd;
1669
1670         for (i = 1; i < argc; i++) {
1671                 p = argv[i];
1672                 if (*p == '-')
1673                         p++;
1674                 else
1675                         continue;
1676                 if (*p == '-')
1677                         p++;
1678                 if (strcmp(p, "help") == 0) {
1679                         for_imagex_command(cmd) {
1680                                 if (strcmp(cmd->name, argv[1]) == 0) {
1681                                         usage(cmd->cmd);
1682                                         exit(0);
1683                                 }
1684                         }
1685                         usage_all();
1686                         exit(0);
1687                 }
1688                 if (strcmp(p, "version") == 0) {
1689                         version();
1690                         exit(0);
1691                 }
1692         }
1693 }
1694
1695
1696 static void usage(int cmd_type)
1697 {
1698         const struct imagex_command *cmd;
1699         printf("Usage: %s", usage_strings[cmd_type]);
1700         for_imagex_command(cmd) {
1701                 if (cmd->cmd == cmd_type)
1702                         printf("\nTry `man imagex-%s' for more details.\n",
1703                                cmd->name);
1704         }
1705 }
1706
1707 static void usage_all()
1708 {
1709         puts("IMAGEX: Usage:");
1710         for (int i = 0; i < ARRAY_LEN(usage_strings); i++)
1711                 printf("    %s", usage_strings[i]);
1712         static const char *extra =
1713 "    imagex --help\n"
1714 "    imagex --version\n"
1715 "\n"
1716 "    The compression TYPE may be \"maximum\", \"fast\", or \"none\".\n"
1717 "\n"
1718 "    Try `man imagex' for more information.\n"
1719         ;
1720         fputs(extra, stdout);
1721 }
1722
1723
1724 int main(int argc, const char **argv)
1725 {
1726         const struct imagex_command *cmd;
1727         int ret;
1728
1729         if (argc < 2) {
1730                 imagex_error("No command specified");
1731                 usage_all();
1732                 return 1;
1733         }
1734
1735         help_or_version(argc, argv);
1736         argc--;
1737         argv++;
1738
1739         wimlib_set_print_errors(true);
1740
1741         for_imagex_command(cmd) {
1742                 if (strcmp(cmd->name, *argv) == 0) {
1743                         ret = cmd->func(argc, argv);
1744                         if (ret > 0) {
1745                                 imagex_error("Exiting with error code %d:\n"
1746                                              "       %s.", ret,
1747                                              wimlib_get_error_string(ret));
1748                                 if (ret == WIMLIB_ERR_NTFS_3G)
1749                                         imagex_error_with_errno("errno");
1750                         }
1751                         return ret;
1752                 }
1753         }
1754
1755         imagex_error("Unrecognized command: `%s'", argv[0]);
1756         usage_all();
1757         return 1;
1758 }