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, 2013, 2014 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 #ifdef HAVE_CONFIG_H
  26 #  include "config.h" /* Need for PACKAGE_VERSION, etc. */
  27 #endif
  28
  29 #include "wimlib.h"
  30 #include "wimlib_tchar.h"
  31
  32 #include <ctype.h>
  33 #include <errno.h>
  34
  35 #include <inttypes.h>
  36 #include <libgen.h>
  37 #include <limits.h>
  38 #include <stdarg.h>
  39 #include <stdlib.h>
  40 #include <string.h>
  41 #include <sys/stat.h>
  42 #include <unistd.h>
  43 #include <locale.h>
  44
  45 #ifdef HAVE_ALLOCA_H
  46 #  include <alloca.h>
  47 #endif
  48
  49 #ifdef __WIN32__
  50 #  include "imagex-win32.h"
  51 #  define print_security_descriptor     win32_print_security_descriptor
  52 #else /* __WIN32__ */
  53 #  include <getopt.h>
  54 #  include <langinfo.h>
  55 #  define print_security_descriptor     default_print_security_descriptor
  56 static inline void set_fd_to_binary_mode(int fd)
  57 {
  58 }
  59 #endif /* !__WIN32 */
  60
  61 /* Don't confuse the user by presenting the mounting commands on Windows when
  62  * they will never work.  However on UNIX-like systems we always present them,
  63  * even if WITH_FUSE is not defined at this point, as to not tie the build of
  64  * wimlib-imagex to a specific build of wimlib.  */
  65 #ifdef __WIN32__
  66 #  define WIM_MOUNTING_SUPPORTED 0
  67 #else
  68 #  define WIM_MOUNTING_SUPPORTED 1
  69 #endif
  70
  71 #define ARRAY_LEN(array) (sizeof(array) / sizeof(array[0]))
  72
  73 static inline bool
  74 is_any_path_separator(tchar c)
  75 {
  76         return c == T('/') || c == T('\\');
  77 }
  78
  79 /* Like basename(), but handles both forward and backwards slashes.  */
  80 static tchar *
  81 tbasename(tchar *path)
  82 {
  83         tchar *p = tstrchr(path, T('\0'));
  84
  85         for (;;) {
  86                 if (p == path)
  87                         return path;
  88                 if (!is_any_path_separator(*--p))
  89                         break;
  90                 *p = T('\0');
  91         }
  92
  93         for (;;) {
  94                 if (p == path)
  95                         return path;
  96                 if (is_any_path_separator(*--p))
  97                         return ++p;
  98         }
  99 }
 100
 101 #define for_opt(c, opts) while ((c = getopt_long_only(argc, (tchar**)argv, T(""), \
 102                                 opts, NULL)) != -1)
 103
 104 enum {
 105         CMD_NONE = -1,
 106         CMD_APPEND = 0,
 107         CMD_APPLY,
 108         CMD_CAPTURE,
 109         CMD_DELETE,
 110         CMD_DIR,
 111         CMD_EXPORT,
 112         CMD_EXTRACT,
 113         CMD_INFO,
 114         CMD_JOIN,
 115 #if WIM_MOUNTING_SUPPORTED
 116         CMD_MOUNT,
 117         CMD_MOUNTRW,
 118 #endif
 119         CMD_OPTIMIZE,
 120         CMD_SPLIT,
 121 #if WIM_MOUNTING_SUPPORTED
 122         CMD_UNMOUNT,
 123 #endif
 124         CMD_UPDATE,
 125         CMD_MAX,
 126 };
 127
 128 static void usage(int cmd, FILE *fp);
 129 static void usage_all(FILE *fp);
 130 static void recommend_man_page(int cmd, FILE *fp);
 131 static const tchar *get_cmd_string(int cmd, bool nospace);
 132
 133 static int imagex_progress_func(enum wimlib_progress_msg msg,
 134                                 const union wimlib_progress_info *info);
 135
 136 static bool imagex_be_quiet = false;
 137 static FILE *imagex_info_file;
 138
 139 #define imagex_printf(format, ...) \
 140                 tfprintf(imagex_info_file, format, ##__VA_ARGS__)
 141
 142 enum {
 143         IMAGEX_ALLOW_OTHER_OPTION,
 144         IMAGEX_BOOT_OPTION,
 145         IMAGEX_CHECK_OPTION,
 146         IMAGEX_CHUNK_SIZE_OPTION,
 147         IMAGEX_COMMAND_OPTION,
 148         IMAGEX_COMMIT_OPTION,
 149         IMAGEX_COMPRESS_OPTION,
 150         IMAGEX_COMPRESS_SLOW_OPTION,
 151         IMAGEX_CONFIG_OPTION,
 152         IMAGEX_DEBUG_OPTION,
 153         IMAGEX_DELTA_FROM_OPTION,
 154         IMAGEX_DEREFERENCE_OPTION,
 155         IMAGEX_DEST_DIR_OPTION,
 156         IMAGEX_DETAILED_OPTION,
 157         IMAGEX_EXTRACT_XML_OPTION,
 158         IMAGEX_FLAGS_OPTION,
 159         IMAGEX_FORCE_OPTION,
 160         IMAGEX_HARDLINK_OPTION,
 161         IMAGEX_HEADER_OPTION,
 162         IMAGEX_INCLUDE_INVALID_NAMES_OPTION,
 163         IMAGEX_LAZY_OPTION,
 164         IMAGEX_LOOKUP_TABLE_OPTION,
 165         IMAGEX_METADATA_OPTION,
 166         IMAGEX_NEW_IMAGE_OPTION,
 167         IMAGEX_NOCHECK_OPTION,
 168         IMAGEX_NORPFIX_OPTION,
 169         IMAGEX_NOT_PIPABLE_OPTION,
 170         IMAGEX_NO_ACLS_OPTION,
 171         IMAGEX_NO_ATTRIBUTES_OPTION,
 172         IMAGEX_NO_REPLACE_OPTION,
 173         IMAGEX_NO_WILDCARDS_OPTION,
 174         IMAGEX_NULLGLOB_OPTION,
 175         IMAGEX_ONE_FILE_ONLY_OPTION,
 176         IMAGEX_PACK_CHUNK_SIZE_OPTION,
 177         IMAGEX_PACK_COMPRESS_OPTION,
 178         IMAGEX_PACK_STREAMS_OPTION,
 179         IMAGEX_PATH_OPTION,
 180         IMAGEX_PIPABLE_OPTION,
 181         IMAGEX_PRESERVE_DIR_STRUCTURE_OPTION,
 182         IMAGEX_REBUILD_OPTION,
 183         IMAGEX_RECOMPRESS_OPTION,
 184         IMAGEX_RECURSIVE_OPTION,
 185         IMAGEX_REF_OPTION,
 186         IMAGEX_RESUME_OPTION,
 187         IMAGEX_RPFIX_OPTION,
 188         IMAGEX_SOFT_OPTION,
 189         IMAGEX_SOURCE_LIST_OPTION,
 190         IMAGEX_STAGING_DIR_OPTION,
 191         IMAGEX_STREAMS_INTERFACE_OPTION,
 192         IMAGEX_STRICT_ACLS_OPTION,
 193         IMAGEX_SYMLINK_OPTION,
 194         IMAGEX_THREADS_OPTION,
 195         IMAGEX_TO_STDOUT_OPTION,
 196         IMAGEX_UNIX_DATA_OPTION,
 197         IMAGEX_UPDATE_OF_OPTION,
 198         IMAGEX_VERBOSE_OPTION,
 199         IMAGEX_WIMBOOT_OPTION,
 200         IMAGEX_WIMBOOT_CONFIG_OPTION,
 201         IMAGEX_XML_OPTION,
 202 };
 203
 204 static const struct option apply_options[] = {
 205         {T("check"),       no_argument,       NULL, IMAGEX_CHECK_OPTION},
 206         {T("hardlink"),    no_argument,       NULL, IMAGEX_HARDLINK_OPTION},
 207         {T("symlink"),     no_argument,       NULL, IMAGEX_SYMLINK_OPTION},
 208         {T("verbose"),     no_argument,       NULL, IMAGEX_VERBOSE_OPTION},
 209         {T("ref"),         required_argument, NULL, IMAGEX_REF_OPTION},
 210         {T("unix-data"),   no_argument,       NULL, IMAGEX_UNIX_DATA_OPTION},
 211         {T("noacls"),      no_argument,       NULL, IMAGEX_NO_ACLS_OPTION},
 212         {T("no-acls"),     no_argument,       NULL, IMAGEX_NO_ACLS_OPTION},
 213         {T("strict-acls"), no_argument,       NULL, IMAGEX_STRICT_ACLS_OPTION},
 214         {T("no-attributes"), no_argument,     NULL, IMAGEX_NO_ATTRIBUTES_OPTION},
 215         {T("rpfix"),       no_argument,       NULL, IMAGEX_RPFIX_OPTION},
 216         {T("norpfix"),     no_argument,       NULL, IMAGEX_NORPFIX_OPTION},
 217         {T("include-invalid-names"), no_argument,       NULL, IMAGEX_INCLUDE_INVALID_NAMES_OPTION},
 218
 219         /* --resume is undocumented for now as it needs improvement.  */
 220         {T("resume"),      no_argument,       NULL, IMAGEX_RESUME_OPTION},
 221         {T("wimboot"),     no_argument,       NULL, IMAGEX_WIMBOOT_OPTION},
 222         {NULL, 0, NULL, 0},
 223 };
 224
 225 static const struct option capture_or_append_options[] = {
 226         {T("boot"),        no_argument,       NULL, IMAGEX_BOOT_OPTION},
 227         {T("check"),       no_argument,       NULL, IMAGEX_CHECK_OPTION},
 228         {T("no-check"),    no_argument,       NULL, IMAGEX_NOCHECK_OPTION},
 229         {T("nocheck"),     no_argument,       NULL, IMAGEX_NOCHECK_OPTION},
 230         {T("compress"),    required_argument, NULL, IMAGEX_COMPRESS_OPTION},
 231         {T("compress-slow"), no_argument,     NULL, IMAGEX_COMPRESS_SLOW_OPTION},
 232         {T("chunk-size"),  required_argument, NULL, IMAGEX_CHUNK_SIZE_OPTION},
 233         {T("pack-chunk-size"), required_argument, NULL, IMAGEX_PACK_CHUNK_SIZE_OPTION},
 234         {T("solid-chunk-size"),required_argument, NULL, IMAGEX_PACK_CHUNK_SIZE_OPTION},
 235         {T("pack-compress"), required_argument, NULL, IMAGEX_PACK_COMPRESS_OPTION},
 236         {T("solid-compress"),required_argument, NULL, IMAGEX_PACK_COMPRESS_OPTION},
 237         {T("pack-streams"), no_argument,      NULL, IMAGEX_PACK_STREAMS_OPTION},
 238         {T("solid"),       no_argument,      NULL, IMAGEX_PACK_STREAMS_OPTION},
 239         {T("config"),      required_argument, NULL, IMAGEX_CONFIG_OPTION},
 240         {T("dereference"), no_argument,       NULL, IMAGEX_DEREFERENCE_OPTION},
 241         {T("flags"),       required_argument, NULL, IMAGEX_FLAGS_OPTION},
 242         {T("verbose"),     no_argument,       NULL, IMAGEX_VERBOSE_OPTION},
 243         {T("threads"),     required_argument, NULL, IMAGEX_THREADS_OPTION},
 244         {T("rebuild"),     no_argument,       NULL, IMAGEX_REBUILD_OPTION},
 245         {T("unix-data"),   no_argument,       NULL, IMAGEX_UNIX_DATA_OPTION},
 246         {T("source-list"), no_argument,       NULL, IMAGEX_SOURCE_LIST_OPTION},
 247         {T("noacls"),      no_argument,       NULL, IMAGEX_NO_ACLS_OPTION},
 248         {T("no-acls"),     no_argument,       NULL, IMAGEX_NO_ACLS_OPTION},
 249         {T("strict-acls"), no_argument,       NULL, IMAGEX_STRICT_ACLS_OPTION},
 250         {T("rpfix"),       no_argument,       NULL, IMAGEX_RPFIX_OPTION},
 251         {T("norpfix"),     no_argument,       NULL, IMAGEX_NORPFIX_OPTION},
 252         {T("pipable"),     no_argument,       NULL, IMAGEX_PIPABLE_OPTION},
 253         {T("not-pipable"), no_argument,       NULL, IMAGEX_NOT_PIPABLE_OPTION},
 254         {T("update-of"),   required_argument, NULL, IMAGEX_UPDATE_OF_OPTION},
 255         {T("delta-from"),  required_argument, NULL, IMAGEX_DELTA_FROM_OPTION},
 256         {T("wimboot"),     no_argument,       NULL, IMAGEX_WIMBOOT_OPTION},
 257         {NULL, 0, NULL, 0},
 258 };
 259
 260 static const struct option delete_options[] = {
 261         {T("check"), no_argument, NULL, IMAGEX_CHECK_OPTION},
 262         {T("soft"),  no_argument, NULL, IMAGEX_SOFT_OPTION},
 263         {NULL, 0, NULL, 0},
 264 };
 265
 266 static const struct option dir_options[] = {
 267         {T("path"),     required_argument, NULL, IMAGEX_PATH_OPTION},
 268         {T("detailed"), no_argument,       NULL, IMAGEX_DETAILED_OPTION},
 269         {T("one-file-only"), no_argument,  NULL, IMAGEX_ONE_FILE_ONLY_OPTION},
 270         {NULL, 0, NULL, 0},
 271 };
 272
 273 static const struct option export_options[] = {
 274         {T("boot"),        no_argument,       NULL, IMAGEX_BOOT_OPTION},
 275         {T("check"),       no_argument,       NULL, IMAGEX_CHECK_OPTION},
 276         {T("nocheck"),     no_argument,       NULL, IMAGEX_NOCHECK_OPTION},
 277         {T("no-check"),    no_argument,       NULL, IMAGEX_NOCHECK_OPTION},
 278         {T("compress"),    required_argument, NULL, IMAGEX_COMPRESS_OPTION},
 279         {T("compress-slow"), no_argument,     NULL, IMAGEX_COMPRESS_SLOW_OPTION},
 280         {T("pack-streams"),no_argument,       NULL, IMAGEX_PACK_STREAMS_OPTION},
 281         {T("solid"),       no_argument,       NULL, IMAGEX_PACK_STREAMS_OPTION},
 282         {T("chunk-size"),  required_argument, NULL, IMAGEX_CHUNK_SIZE_OPTION},
 283         {T("pack-chunk-size"), required_argument, NULL, IMAGEX_PACK_CHUNK_SIZE_OPTION},
 284         {T("solid-chunk-size"),required_argument, NULL, IMAGEX_PACK_CHUNK_SIZE_OPTION},
 285         {T("pack-compress"), required_argument, NULL, IMAGEX_PACK_COMPRESS_OPTION},
 286         {T("solid-compress"),required_argument, NULL, IMAGEX_PACK_COMPRESS_OPTION},
 287         {T("ref"),         required_argument, NULL, IMAGEX_REF_OPTION},
 288         {T("threads"),     required_argument, NULL, IMAGEX_THREADS_OPTION},
 289         {T("rebuild"),     no_argument,       NULL, IMAGEX_REBUILD_OPTION},
 290         {T("pipable"),     no_argument,       NULL, IMAGEX_PIPABLE_OPTION},
 291         {T("not-pipable"), no_argument,       NULL, IMAGEX_NOT_PIPABLE_OPTION},
 292         {NULL, 0, NULL, 0},
 293 };
 294
 295 static const struct option extract_options[] = {
 296         {T("check"),       no_argument,       NULL, IMAGEX_CHECK_OPTION},
 297         {T("verbose"),     no_argument,       NULL, IMAGEX_VERBOSE_OPTION},
 298         {T("ref"),         required_argument, NULL, IMAGEX_REF_OPTION},
 299         {T("unix-data"),   no_argument,       NULL, IMAGEX_UNIX_DATA_OPTION},
 300         {T("noacls"),      no_argument,       NULL, IMAGEX_NO_ACLS_OPTION},
 301         {T("no-acls"),     no_argument,       NULL, IMAGEX_NO_ACLS_OPTION},
 302         {T("strict-acls"), no_argument,       NULL, IMAGEX_STRICT_ACLS_OPTION},
 303         {T("no-attributes"), no_argument,     NULL, IMAGEX_NO_ATTRIBUTES_OPTION},
 304         {T("dest-dir"),    required_argument, NULL, IMAGEX_DEST_DIR_OPTION},
 305         {T("to-stdout"),   no_argument,       NULL, IMAGEX_TO_STDOUT_OPTION},
 306         {T("include-invalid-names"), no_argument, NULL, IMAGEX_INCLUDE_INVALID_NAMES_OPTION},
 307         {T("no-wildcards"), no_argument,      NULL, IMAGEX_NO_WILDCARDS_OPTION},
 308         {T("nullglob"),     no_argument,      NULL, IMAGEX_NULLGLOB_OPTION},
 309         {T("preserve-dir-structure"), no_argument, NULL, IMAGEX_PRESERVE_DIR_STRUCTURE_OPTION},
 310         {T("wimboot"),     no_argument,       NULL, IMAGEX_WIMBOOT_OPTION},
 311         {NULL, 0, NULL, 0},
 312 };
 313
 314 static const struct option info_options[] = {
 315         {T("boot"),         no_argument,       NULL, IMAGEX_BOOT_OPTION},
 316         {T("check"),        no_argument,       NULL, IMAGEX_CHECK_OPTION},
 317         {T("nocheck"),      no_argument,       NULL, IMAGEX_NOCHECK_OPTION},
 318         {T("no-check"),     no_argument,       NULL, IMAGEX_NOCHECK_OPTION},
 319         {T("extract-xml"),  required_argument, NULL, IMAGEX_EXTRACT_XML_OPTION},
 320         {T("header"),       no_argument,       NULL, IMAGEX_HEADER_OPTION},
 321         {T("lookup-table"), no_argument,       NULL, IMAGEX_LOOKUP_TABLE_OPTION},
 322         {T("metadata"),     no_argument,       NULL, IMAGEX_METADATA_OPTION},
 323         {T("xml"),          no_argument,       NULL, IMAGEX_XML_OPTION},
 324         {NULL, 0, NULL, 0},
 325 };
 326
 327 static const struct option join_options[] = {
 328         {T("check"), no_argument, NULL, IMAGEX_CHECK_OPTION},
 329         {NULL, 0, NULL, 0},
 330 };
 331
 332 static const struct option mount_options[] = {
 333         {T("check"),             no_argument,       NULL, IMAGEX_CHECK_OPTION},
 334         {T("debug"),             no_argument,       NULL, IMAGEX_DEBUG_OPTION},
 335         {T("streams-interface"), required_argument, NULL, IMAGEX_STREAMS_INTERFACE_OPTION},
 336         {T("ref"),               required_argument, NULL, IMAGEX_REF_OPTION},
 337         {T("staging-dir"),       required_argument, NULL, IMAGEX_STAGING_DIR_OPTION},
 338         {T("unix-data"),         no_argument,       NULL, IMAGEX_UNIX_DATA_OPTION},
 339         {T("allow-other"),       no_argument,       NULL, IMAGEX_ALLOW_OTHER_OPTION},
 340         {NULL, 0, NULL, 0},
 341 };
 342
 343 static const struct option optimize_options[] = {
 344         {T("check"),       no_argument,       NULL, IMAGEX_CHECK_OPTION},
 345         {T("nocheck"),     no_argument,       NULL, IMAGEX_NOCHECK_OPTION},
 346         {T("no-check"),    no_argument,       NULL, IMAGEX_NOCHECK_OPTION},
 347         {T("compress"),    required_argument, NULL, IMAGEX_COMPRESS_OPTION},
 348         {T("recompress"),  no_argument,       NULL, IMAGEX_RECOMPRESS_OPTION},
 349         {T("compress-slow"), no_argument,     NULL, IMAGEX_COMPRESS_SLOW_OPTION},
 350         {T("recompress-slow"), no_argument,     NULL, IMAGEX_COMPRESS_SLOW_OPTION},
 351         {T("chunk-size"),  required_argument, NULL, IMAGEX_CHUNK_SIZE_OPTION},
 352         {T("pack-chunk-size"), required_argument, NULL, IMAGEX_PACK_CHUNK_SIZE_OPTION},
 353         {T("solid-chunk-size"),required_argument, NULL, IMAGEX_PACK_CHUNK_SIZE_OPTION},
 354         {T("pack-compress"), required_argument, NULL, IMAGEX_PACK_COMPRESS_OPTION},
 355         {T("solid-compress"),required_argument, NULL, IMAGEX_PACK_COMPRESS_OPTION},
 356         {T("pack-streams"),no_argument,       NULL, IMAGEX_PACK_STREAMS_OPTION},
 357         {T("solid"),       no_argument,       NULL, IMAGEX_PACK_STREAMS_OPTION},
 358         {T("threads"),     required_argument, NULL, IMAGEX_THREADS_OPTION},
 359         {T("pipable"),     no_argument,       NULL, IMAGEX_PIPABLE_OPTION},
 360         {T("not-pipable"), no_argument,       NULL, IMAGEX_NOT_PIPABLE_OPTION},
 361         {NULL, 0, NULL, 0},
 362 };
 363
 364 static const struct option split_options[] = {
 365         {T("check"), no_argument, NULL, IMAGEX_CHECK_OPTION},
 366         {NULL, 0, NULL, 0},
 367 };
 368
 369 static const struct option unmount_options[] = {
 370         {T("commit"),  no_argument, NULL, IMAGEX_COMMIT_OPTION},
 371         {T("check"),   no_argument, NULL, IMAGEX_CHECK_OPTION},
 372         {T("rebuild"), no_argument, NULL, IMAGEX_REBUILD_OPTION},
 373         {T("lazy"),    no_argument, NULL, IMAGEX_LAZY_OPTION},
 374         {T("new-image"), no_argument, NULL, IMAGEX_NEW_IMAGE_OPTION},
 375         {NULL, 0, NULL, 0},
 376 };
 377
 378 static const struct option update_options[] = {
 379         /* Careful: some of the options here set the defaults for update
 380          * commands, but the flags given to an actual update command (and not to
 381          * `imagex update' itself are also handled in
 382          * update_command_add_option().  */
 383         {T("threads"),     required_argument, NULL, IMAGEX_THREADS_OPTION},
 384         {T("check"),       no_argument,       NULL, IMAGEX_CHECK_OPTION},
 385         {T("rebuild"),     no_argument,       NULL, IMAGEX_REBUILD_OPTION},
 386         {T("command"),     required_argument, NULL, IMAGEX_COMMAND_OPTION},
 387         {T("wimboot-config"), required_argument, NULL, IMAGEX_WIMBOOT_CONFIG_OPTION},
 388
 389         /* Default delete options */
 390         {T("force"),       no_argument,       NULL, IMAGEX_FORCE_OPTION},
 391         {T("recursive"),   no_argument,       NULL, IMAGEX_RECURSIVE_OPTION},
 392
 393         /* Global add option */
 394         {T("config"),      required_argument, NULL, IMAGEX_CONFIG_OPTION},
 395
 396         /* Default add options */
 397         {T("verbose"),     no_argument,       NULL, IMAGEX_VERBOSE_OPTION},
 398         {T("dereference"), no_argument,       NULL, IMAGEX_DEREFERENCE_OPTION},
 399         {T("unix-data"),   no_argument,       NULL, IMAGEX_UNIX_DATA_OPTION},
 400         {T("noacls"),      no_argument,       NULL, IMAGEX_NO_ACLS_OPTION},
 401         {T("no-acls"),     no_argument,       NULL, IMAGEX_NO_ACLS_OPTION},
 402         {T("strict-acls"), no_argument,       NULL, IMAGEX_STRICT_ACLS_OPTION},
 403         {T("no-replace"),  no_argument,       NULL, IMAGEX_NO_REPLACE_OPTION},
 404
 405         {NULL, 0, NULL, 0},
 406 };
 407
 408 #if 0
 409 #       define _format_attribute(type, format_str, args_start) \
 410                         __attribute__((format(type, format_str, args_start)))
 411 #else
 412 #       define _format_attribute(type, format_str, args_start)
 413 #endif
 414
 415 /* Print formatted error message to stderr. */
 416 static void _format_attribute(printf, 1, 2)
 417 imagex_error(const tchar *format, ...)
 418 {
 419         va_list va;
 420         va_start(va, format);
 421         tfputs(T("ERROR: "), stderr);
 422         tvfprintf(stderr, format, va);
 423         tputc(T('\n'), stderr);
 424         va_end(va);
 425 }
 426
 427 /* Print formatted error message to stderr. */
 428 static void _format_attribute(printf, 1, 2)
 429 imagex_error_with_errno(const tchar *format, ...)
 430 {
 431         int errno_save = errno;
 432         va_list va;
 433         va_start(va, format);
 434         tfputs(T("ERROR: "), stderr);
 435         tvfprintf(stderr, format, va);
 436         tfprintf(stderr, T(": %"TS"\n"), tstrerror(errno_save));
 437         va_end(va);
 438 }
 439
 440 static int
 441 verify_image_exists(int image, const tchar *image_name, const tchar *wim_name)
 442 {
 443         if (image == WIMLIB_NO_IMAGE) {
 444                 imagex_error(T("\"%"TS"\" is not a valid image in \"%"TS"\"!\n"
 445                              "       Please specify a 1-based image index or "
 446                              "image name.  To list the images\n"
 447                              "       contained in the WIM archive, run\n"
 448                              "\n"
 449                              "           %"TS" \"%"TS"\"\n"),
 450                              image_name, wim_name,
 451                              get_cmd_string(CMD_INFO, false), wim_name);
 452                 return WIMLIB_ERR_INVALID_IMAGE;
 453         }
 454         return 0;
 455 }
 456
 457 static int
 458 verify_image_is_single(int image)
 459 {
 460         if (image == WIMLIB_ALL_IMAGES) {
 461                 imagex_error(T("Cannot specify all images for this action!"));
 462                 return WIMLIB_ERR_INVALID_IMAGE;
 463         }
 464         return 0;
 465 }
 466
 467 static int
 468 verify_image_exists_and_is_single(int image, const tchar *image_name,
 469                                   const tchar *wim_name)
 470 {
 471         int ret;
 472         ret = verify_image_exists(image, image_name, wim_name);
 473         if (ret == 0)
 474                 ret = verify_image_is_single(image);
 475         return ret;
 476 }
 477
 478 /* Parse the argument to --compress */
 479 static int
 480 get_compression_type(const tchar *optarg)
 481 {
 482         if (!tstrcasecmp(optarg, T("maximum")) ||
 483             !tstrcasecmp(optarg, T("lzx")) ||
 484             !tstrcasecmp(optarg, T("max")))
 485                 return WIMLIB_COMPRESSION_TYPE_LZX;
 486         else if (!tstrcasecmp(optarg, T("fast")) || !tstrcasecmp(optarg, T("xpress")))
 487                 return WIMLIB_COMPRESSION_TYPE_XPRESS;
 488         else if (!tstrcasecmp(optarg, T("recovery")) || !tstrcasecmp(optarg, T("lzms")))
 489                 return WIMLIB_COMPRESSION_TYPE_LZMS;
 490         else if (!tstrcasecmp(optarg, T("none")))
 491                 return WIMLIB_COMPRESSION_TYPE_NONE;
 492         else {
 493                 imagex_error(T("Invalid compression type \"%"TS"\"! Must be "
 494                              "\"maximum\", \"fast\", or \"none\"."), optarg);
 495                 return WIMLIB_COMPRESSION_TYPE_INVALID;
 496         }
 497 }
 498
 499 static void
 500 set_compress_slow(void)
 501 {
 502         static const struct wimlib_lzx_compressor_params lzx_slow_params = {
 503                 .hdr = {
 504                         .size = sizeof(struct wimlib_lzx_compressor_params),
 505                 },
 506                 .algorithm = WIMLIB_LZX_ALGORITHM_SLOW,
 507                 .alg_params = {
 508                         .slow = {
 509                                 .use_len2_matches = 1,
 510                                 .nice_match_length = 96,
 511                                 .num_optim_passes = 4,
 512                                 .max_search_depth = 100,
 513                                 .max_matches_per_pos = 10,
 514                                 .main_nostat_cost = 15,
 515                                 .len_nostat_cost = 15,
 516                                 .aligned_nostat_cost = 7,
 517                         },
 518                 },
 519         };
 520
 521         static const struct wimlib_lzms_compressor_params lzms_slow_params = {
 522                 .hdr = {
 523                         .size = sizeof(struct wimlib_lzms_compressor_params),
 524                 },
 525                 .min_match_length = 2,
 526                 .max_match_length = UINT32_MAX,
 527                 .nice_match_length = 96,
 528                 .max_search_depth = 100,
 529                 .max_matches_per_pos = 10,
 530                 .optim_array_length = 1024,
 531         };
 532
 533         wimlib_set_default_compressor_params(WIMLIB_COMPRESSION_TYPE_LZX,
 534                                              &lzx_slow_params.hdr);
 535
 536         wimlib_set_default_compressor_params(WIMLIB_COMPRESSION_TYPE_LZMS,
 537                                              &lzms_slow_params.hdr);
 538 }
 539
 540 struct string_set {
 541         const tchar **strings;
 542         unsigned num_strings;
 543         unsigned num_alloc_strings;
 544 };
 545
 546 #define STRING_SET_INITIALIZER \
 547         { .strings = NULL, .num_strings = 0, .num_alloc_strings = 0, }
 548
 549 #define STRING_SET(_strings) \
 550         struct string_set _strings = STRING_SET_INITIALIZER
 551
 552 static int
 553 string_set_append(struct string_set *set, const tchar *glob)
 554 {
 555         unsigned num_alloc_strings = set->num_alloc_strings;
 556
 557         if (set->num_strings == num_alloc_strings) {
 558                 const tchar **new_strings;
 559
 560                 num_alloc_strings += 4;
 561                 new_strings = realloc(set->strings,
 562                                       sizeof(set->strings[0]) * num_alloc_strings);
 563                 if (!new_strings) {
 564                         imagex_error(T("Out of memory!"));
 565                         return -1;
 566                 }
 567                 set->strings = new_strings;
 568                 set->num_alloc_strings = num_alloc_strings;
 569         }
 570         set->strings[set->num_strings++] = glob;
 571         return 0;
 572 }
 573
 574 static void
 575 string_set_destroy(struct string_set *set)
 576 {
 577         free(set->strings);
 578 }
 579
 580 static int
 581 wim_reference_globs(WIMStruct *wim, struct string_set *set, int open_flags)
 582 {
 583         return wimlib_reference_resource_files(wim, set->strings,
 584                                                set->num_strings,
 585                                                WIMLIB_REF_FLAG_GLOB_ENABLE,
 586                                                open_flags,
 587                                                imagex_progress_func);
 588 }
 589
 590 static void
 591 do_resource_not_found_warning(const tchar *wimfile,
 592                               const struct wimlib_wim_info *info,
 593                               const struct string_set *refglobs)
 594 {
 595         if (info->total_parts > 1) {
 596                 if (refglobs->num_strings == 0) {
 597                         imagex_error(T("\"%"TS"\" is part of a split WIM. "
 598                                        "Use --ref to specify the other parts."),
 599                                      wimfile);
 600                 } else {
 601                         imagex_error(T("Perhaps the '--ref' argument did not "
 602                                        "specify all other parts of the split "
 603                                        "WIM?"));
 604                 }
 605         } else {
 606                 imagex_error(T("If this is a delta WIM, use the --ref argument "
 607                                "to specify the WIM(s) on which it is based."));
 608         }
 609 }
 610
 611 /* Returns the size of a file given its name, or -1 if the file does not exist
 612  * or its size cannot be determined.  */
 613 static off_t
 614 file_get_size(const tchar *filename)
 615 {
 616         struct stat st;
 617         if (tstat(filename, &st) == 0)
 618                 return st.st_size;
 619         else
 620                 return (off_t)-1;
 621 }
 622
 623 enum {
 624         PARSE_STRING_SUCCESS = 0,
 625         PARSE_STRING_FAILURE = 1,
 626         PARSE_STRING_NONE = 2,
 627 };
 628
 629 /*
 630  * Parses a string token from an array of characters.
 631  *
 632  * Tokens are either whitespace-delimited, or double or single-quoted.
 633  *
 634  * @line_p:  Pointer to the pointer to the line of data.  Will be updated
 635  *           to point past the string token iff the return value is
 636  *           PARSE_STRING_SUCCESS.  If *len_p > 0, (*line_p)[*len_p - 1] must
 637  *           be '\0'.
 638  *
 639  * @len_p:   @len_p initially stores the length of the line of data, which may
 640  *           be 0, and it will be updated to the number of bytes remaining in
 641  *           the line iff the return value is PARSE_STRING_SUCCESS.
 642  *
 643  * @fn_ret:  Iff the return value is PARSE_STRING_SUCCESS, a pointer to the
 644  *           parsed string token will be returned here.
 645  *
 646  * Returns: PARSE_STRING_SUCCESS if a string token was successfully parsed; or
 647  *          PARSE_STRING_FAILURE if the data was invalid due to a missing
 648  *          closing quote; or PARSE_STRING_NONE if the line ended before the
 649  *          beginning of a string token was found.
 650  */
 651 static int
 652 parse_string(tchar **line_p, size_t *len_p, tchar **fn_ret)
 653 {
 654         size_t len = *len_p;
 655         tchar *line = *line_p;
 656         tchar *fn;
 657         tchar quote_char;
 658
 659         /* Skip leading whitespace */
 660         for (;;) {
 661                 if (len == 0)
 662                         return PARSE_STRING_NONE;
 663                 if (!istspace(*line) && *line != T('\0'))
 664                         break;
 665                 line++;
 666                 len--;
 667         }
 668         quote_char = *line;
 669         if (quote_char == T('"') || quote_char == T('\'')) {
 670                 /* Quoted string */
 671                 line++;
 672                 len--;
 673                 fn = line;
 674                 line = tmemchr(line, quote_char, len);
 675                 if (!line) {
 676                         imagex_error(T("Missing closing quote: %"TS), fn - 1);
 677                         return PARSE_STRING_FAILURE;
 678                 }
 679         } else {
 680                 /* Unquoted string.  Go until whitespace.  Line is terminated
 681                  * by '\0', so no need to check 'len'. */
 682                 fn = line;
 683                 do {
 684                         line++;
 685                 } while (!istspace(*line) && *line != T('\0'));
 686         }
 687         *line = T('\0');
 688         len -= line - fn;
 689         *len_p = len;
 690         *line_p = line;
 691         *fn_ret = fn;
 692         return PARSE_STRING_SUCCESS;
 693 }
 694
 695 /* Parses a line of data (not an empty line or comment) in the source list file
 696  * format.  (See the man page for 'wimlib-imagex capture' for details on this
 697  * format and the meaning.)
 698  *
 699  * @line:  Line of data to be parsed.  line[len - 1] must be '\0', unless
 700  *         len == 0.  The data in @line will be modified by this function call.
 701  *
 702  * @len:   Length of the line of data.
 703  *
 704  * @source:  On success, the capture source and target described by the line is
 705  *           written into this destination.  Note that it will contain pointers
 706  *           to data in the @line array.
 707  *
 708  * Returns true if the line was valid; false otherwise.  */
 709 static bool
 710 parse_source_list_line(tchar *line, size_t len,
 711                        struct wimlib_capture_source *source)
 712 {
 713         /* SOURCE [DEST] */
 714         int ret;
 715         ret = parse_string(&line, &len, &source->fs_source_path);
 716         if (ret != PARSE_STRING_SUCCESS)
 717                 return false;
 718         ret = parse_string(&line, &len, &source->wim_target_path);
 719         if (ret == PARSE_STRING_NONE)
 720                 source->wim_target_path = source->fs_source_path;
 721         return ret != PARSE_STRING_FAILURE;
 722 }
 723
 724 /* Returns %true if the given line of length @len > 0 is a comment or empty line
 725  * in the source list file format. */
 726 static bool
 727 is_comment_line(const tchar *line, size_t len)
 728 {
 729         for (;;) {
 730                 if (*line == T('#') || *line == T(';'))
 731                         return true;
 732                 if (!istspace(*line) && *line != T('\0'))
 733                         return false;
 734                 ++line;
 735                 --len;
 736                 if (len == 0)
 737                         return true;
 738         }
 739 }
 740
 741 static ssize_t
 742 text_file_count_lines(tchar **contents_p, size_t *nchars_p)
 743 {
 744         ssize_t nlines = 0;
 745         tchar *contents = *contents_p;
 746         size_t nchars = *nchars_p;
 747         size_t i;
 748
 749         for (i = 0; i < nchars; i++)
 750                 if (contents[i] == T('\n'))
 751                         nlines++;
 752
 753         /* Handle last line not terminated by a newline */
 754         if (nchars != 0 && contents[nchars - 1] != T('\n')) {
 755                 contents = realloc(contents, (nchars + 1) * sizeof(tchar));
 756                 if (!contents) {
 757                         imagex_error(T("Out of memory!"));
 758                         return -1;
 759                 }
 760                 contents[nchars] = T('\n');
 761                 *contents_p = contents;
 762                 nchars++;
 763                 nlines++;
 764         }
 765         *nchars_p = nchars;
 766         return nlines;
 767 }
 768
 769 /* Parses a file in the source list format.  (See the man page for
 770  * 'wimlib-imagex capture' for details on this format and the meaning.)
 771  *
 772  * @source_list_contents:  Contents of the source list file.  Note that this
 773  *                         buffer will be modified to save memory allocations,
 774  *                         and cannot be freed until the returned array of
 775  *                         wimlib_capture_source's has also been freed.
 776  *
 777  * @source_list_nbytes:    Number of bytes of data in the @source_list_contents
 778  *                         buffer.
 779  *
 780  * @nsources_ret:          On success, the length of the returned array is
 781  *                         returned here.
 782  *
 783  * Returns:   An array of `struct wimlib_capture_source's that can be passed to
 784  * the wimlib_add_image_multisource() function to specify how a WIM image is to
 785  * be created.  */
 786 static struct wimlib_capture_source *
 787 parse_source_list(tchar **source_list_contents_p, size_t source_list_nchars,
 788                   size_t *nsources_ret)
 789 {
 790         ssize_t nlines;
 791         tchar *p;
 792         struct wimlib_capture_source *sources;
 793         size_t i, j;
 794
 795         nlines = text_file_count_lines(source_list_contents_p,
 796                                        &source_list_nchars);
 797         if (nlines < 0)
 798                 return NULL;
 799
 800         /* Always allocate at least 1 slot, just in case the implementation of
 801          * calloc() returns NULL if 0 bytes are requested. */
 802         sources = calloc(nlines ?: 1, sizeof(*sources));
 803         if (!sources) {
 804                 imagex_error(T("out of memory"));
 805                 return NULL;
 806         }
 807         p = *source_list_contents_p;
 808         j = 0;
 809         for (i = 0; i < nlines; i++) {
 810                 /* XXX: Could use rawmemchr() here instead, but it may not be
 811                  * available on all platforms. */
 812                 tchar *endp = tmemchr(p, T('\n'), source_list_nchars);
 813                 size_t len = endp - p + 1;
 814                 *endp = T('\0');
 815                 if (!is_comment_line(p, len)) {
 816                         if (!parse_source_list_line(p, len, &sources[j++])) {
 817                                 free(sources);
 818                                 return NULL;
 819                         }
 820                 }
 821                 p = endp + 1;
 822
 823         }
 824         *nsources_ret = j;
 825         return sources;
 826 }
 827
 828 /* Reads the contents of a file into memory. */
 829 static char *
 830 file_get_contents(const tchar *filename, size_t *len_ret)
 831 {
 832         struct stat stbuf;
 833         void *buf = NULL;
 834         size_t len;
 835         FILE *fp;
 836
 837         if (tstat(filename, &stbuf) != 0) {
 838                 imagex_error_with_errno(T("Failed to stat the file \"%"TS"\""), filename);
 839                 goto out;
 840         }
 841         len = stbuf.st_size;
 842
 843         fp = tfopen(filename, T("rb"));
 844         if (!fp) {
 845                 imagex_error_with_errno(T("Failed to open the file \"%"TS"\""), filename);
 846                 goto out;
 847         }
 848
 849         buf = malloc(len ? len : 1);
 850         if (!buf) {
 851                 imagex_error(T("Failed to allocate buffer of %zu bytes to hold "
 852                                "contents of file \"%"TS"\""), len, filename);
 853                 goto out_fclose;
 854         }
 855         if (fread(buf, 1, len, fp) != len) {
 856                 imagex_error_with_errno(T("Failed to read %zu bytes from the "
 857                                           "file \"%"TS"\""), len, filename);
 858                 goto out_free_buf;
 859         }
 860         *len_ret = len;
 861         goto out_fclose;
 862 out_free_buf:
 863         free(buf);
 864         buf = NULL;
 865 out_fclose:
 866         fclose(fp);
 867 out:
 868         return buf;
 869 }
 870
 871 /* Read standard input until EOF and return the full contents in a malloc()ed
 872  * buffer and the number of bytes of data in @len_ret.  Returns NULL on read
 873  * error. */
 874 static char *
 875 stdin_get_contents(size_t *len_ret)
 876 {
 877         /* stdin can, of course, be a pipe or other non-seekable file, so the
 878          * total length of the data cannot be pre-determined */
 879         char *buf = NULL;
 880         size_t newlen = 1024;
 881         size_t pos = 0;
 882         size_t inc = 1024;
 883         for (;;) {
 884                 char *p = realloc(buf, newlen);
 885                 size_t bytes_read, bytes_to_read;
 886                 if (!p) {
 887                         imagex_error(T("out of memory while reading stdin"));
 888                         break;
 889                 }
 890                 buf = p;
 891                 bytes_to_read = newlen - pos;
 892                 bytes_read = fread(&buf[pos], 1, bytes_to_read, stdin);
 893                 pos += bytes_read;
 894                 if (bytes_read != bytes_to_read) {
 895                         if (feof(stdin)) {
 896                                 *len_ret = pos;
 897                                 return buf;
 898                         } else {
 899                                 imagex_error_with_errno(T("error reading stdin"));
 900                                 break;
 901                         }
 902                 }
 903                 newlen += inc;
 904                 inc *= 3;
 905                 inc /= 2;
 906         }
 907         free(buf);
 908         return NULL;
 909 }
 910
 911
 912 static tchar *
 913 translate_text_to_tstr(char *text, size_t num_bytes, size_t *num_tchars_ret)
 914 {
 915 #ifndef __WIN32__
 916         /* On non-Windows, assume an ASCII-compatible encoding, such as UTF-8.
 917          * */
 918         *num_tchars_ret = num_bytes;
 919         return text;
 920 #else /* !__WIN32__ */
 921         /* On Windows, translate the text to UTF-16LE */
 922         wchar_t *text_wstr;
 923         size_t num_wchars;
 924
 925         if (num_bytes >= 2 &&
 926             (((unsigned char)text[0] == 0xff && (unsigned char)text[1] == 0xfe) ||
 927              ((unsigned char)text[0] <= 0x7f && (unsigned char)text[1] == 0x00)))
 928         {
 929                 /* File begins with 0xfeff, the BOM for UTF-16LE, or it begins
 930                  * with something that looks like an ASCII character encoded as
 931                  * a UTF-16LE code unit.  Assume the file is encoded as
 932                  * UTF-16LE.  This is not a 100% reliable check. */
 933                 num_wchars = num_bytes / 2;
 934                 text_wstr = (wchar_t*)text;
 935         } else {
 936                 /* File does not look like UTF-16LE.  Assume it is encoded in
 937                  * the current Windows code page.  I think these are always
 938                  * ASCII-compatible, so any so-called "plain-text" (ASCII) files
 939                  * should work as expected. */
 940                 text_wstr = win32_mbs_to_wcs(text,
 941                                              num_bytes,
 942                                              &num_wchars);
 943                 free(text);
 944         }
 945         *num_tchars_ret = num_wchars;
 946         return text_wstr;
 947 #endif /* __WIN32__ */
 948 }
 949
 950 static tchar *
 951 file_get_text_contents(const tchar *filename, size_t *num_tchars_ret)
 952 {
 953         char *contents;
 954         size_t num_bytes;
 955
 956         contents = file_get_contents(filename, &num_bytes);
 957         if (!contents)
 958                 return NULL;
 959         return translate_text_to_tstr(contents, num_bytes, num_tchars_ret);
 960 }
 961
 962 static tchar *
 963 stdin_get_text_contents(size_t *num_tchars_ret)
 964 {
 965         char *contents;
 966         size_t num_bytes;
 967
 968         contents = stdin_get_contents(&num_bytes);
 969         if (!contents)
 970                 return NULL;
 971         return translate_text_to_tstr(contents, num_bytes, num_tchars_ret);
 972 }
 973
 974 #define TO_PERCENT(numerator, denominator) \
 975         (((denominator) == 0) ? 0 : ((numerator) * 100 / (denominator)))
 976
 977 #define GIBIBYTE_MIN_NBYTES 10000000000ULL
 978 #define MEBIBYTE_MIN_NBYTES 10000000ULL
 979 #define KIBIBYTE_MIN_NBYTES 10000ULL
 980
 981 static unsigned
 982 get_unit(uint64_t total_bytes, const tchar **name_ret)
 983 {
 984         if (total_bytes >= GIBIBYTE_MIN_NBYTES) {
 985                 *name_ret = T("GiB");
 986                 return 30;
 987         } else if (total_bytes >= MEBIBYTE_MIN_NBYTES) {
 988                 *name_ret = T("MiB");
 989                 return 20;
 990         } else if (total_bytes >= KIBIBYTE_MIN_NBYTES) {
 991                 *name_ret = T("KiB");
 992                 return 10;
 993         } else {
 994                 *name_ret = T("bytes");
 995                 return 0;
 996         }
 997 }
 998
 999 static struct wimlib_progress_info_scan last_scan_progress;
1000
1001 static void
1002 report_scan_progress(const struct wimlib_progress_info_scan *scan, bool done)
1003 {
1004         uint64_t prev_count, cur_count;
1005
1006         prev_count = last_scan_progress.num_nondirs_scanned +
1007                      last_scan_progress.num_dirs_scanned;
1008         cur_count = scan->num_nondirs_scanned + scan->num_dirs_scanned;
1009
1010         if (done || prev_count == 0 || cur_count >= prev_count + 100 ||
1011             cur_count % 128 == 0)
1012         {
1013                 unsigned unit_shift;
1014                 const tchar *unit_name;
1015
1016                 unit_shift = get_unit(scan->num_bytes_scanned, &unit_name);
1017                 imagex_printf(T("\r%"PRIu64" %"TS" scanned (%"PRIu64" files, "
1018                                 "%"PRIu64" directories)    "),
1019                               scan->num_bytes_scanned >> unit_shift,
1020                               unit_name,
1021                               scan->num_nondirs_scanned,
1022                               scan->num_dirs_scanned);
1023                 last_scan_progress = *scan;
1024         }
1025 }
1026
1027 /* Progress callback function passed to various wimlib functions. */
1028 static int
1029 imagex_progress_func(enum wimlib_progress_msg msg,
1030                      const union wimlib_progress_info *info)
1031 {
1032         unsigned percent_done;
1033         unsigned unit_shift;
1034         const tchar *unit_name;
1035
1036         if (imagex_be_quiet)
1037                 return 0;
1038         switch (msg) {
1039         case WIMLIB_PROGRESS_MSG_WRITE_STREAMS:
1040                 {
1041                         static bool first = true;
1042                         if (first) {
1043                                 imagex_printf(T("Writing %"TS"-compressed data "
1044                                                 "using %u thread%"TS"\n"),
1045                                               wimlib_get_compression_type_string(
1046                                                         info->write_streams.compression_type),
1047                                         info->write_streams.num_threads,
1048                                         (info->write_streams.num_threads == 1) ? T("") : T("s"));
1049                                 first = false;
1050                         }
1051                 }
1052                 unit_shift = get_unit(info->write_streams.total_bytes, &unit_name);
1053                 percent_done = TO_PERCENT(info->write_streams.completed_bytes,
1054                                           info->write_streams.total_bytes);
1055
1056                 imagex_printf(T("\r%"PRIu64" %"TS" of %"PRIu64" %"TS" (uncompressed) "
1057                         "written (%u%% done)"),
1058                         info->write_streams.completed_bytes >> unit_shift,
1059                         unit_name,
1060                         info->write_streams.total_bytes >> unit_shift,
1061                         unit_name,
1062                         percent_done);
1063                 if (info->write_streams.completed_bytes >= info->write_streams.total_bytes)
1064                         imagex_printf(T("\n"));
1065                 break;
1066         case WIMLIB_PROGRESS_MSG_SCAN_BEGIN:
1067                 imagex_printf(T("Scanning \"%"TS"\""), info->scan.source);
1068                 if (WIMLIB_IS_WIM_ROOT_PATH(info->scan.wim_target_path)) {
1069                         imagex_printf(T("\n"));
1070                 } else {
1071                         imagex_printf(T(" (loading as WIM path: \"%"TS"\")...\n"),
1072                                       info->scan.wim_target_path);
1073                 }
1074                 memset(&last_scan_progress, 0, sizeof(last_scan_progress));
1075                 break;
1076         case WIMLIB_PROGRESS_MSG_SCAN_DENTRY:
1077                 switch (info->scan.status) {
1078                 case WIMLIB_SCAN_DENTRY_OK:
1079                         report_scan_progress(&info->scan, false);
1080                         break;
1081                 case WIMLIB_SCAN_DENTRY_EXCLUDED:
1082                         imagex_printf(T("\nExcluding \"%"TS"\" from capture\n"), info->scan.cur_path);
1083                         break;
1084                 case WIMLIB_SCAN_DENTRY_UNSUPPORTED:
1085                         imagex_printf(T("\nWARNING: Excluding unsupported file or directory\n"
1086                                         "         \"%"TS"\" from capture\n"), info->scan.cur_path);
1087                         break;
1088                 case WIMLIB_SCAN_DENTRY_EXCLUDED_SYMLINK:
1089                         imagex_printf(T("\nWARNING: Ignoring absolute symbolic link "
1090                                         "with out-of-tree target:\n"
1091                                         "           \"%"TS"\" => \"%"TS"\"\n"
1092                                         "           (Use --norpfix to capture "
1093                                         "absolute symbolic links as-is)\n"),
1094                                         info->scan.cur_path, info->scan.symlink_target);
1095                         break;
1096                 }
1097                 break;
1098         case WIMLIB_PROGRESS_MSG_SCAN_END:
1099                 report_scan_progress(&info->scan, true);
1100                 imagex_printf(T("\n"));
1101                 break;
1102         case WIMLIB_PROGRESS_MSG_VERIFY_INTEGRITY:
1103                 unit_shift = get_unit(info->integrity.total_bytes, &unit_name);
1104                 percent_done = TO_PERCENT(info->integrity.completed_bytes,
1105                                           info->integrity.total_bytes);
1106                 imagex_printf(T("\rVerifying integrity of \"%"TS"\": %"PRIu64" %"TS" "
1107                         "of %"PRIu64" %"TS" (%u%%) done"),
1108                         info->integrity.filename,
1109                         info->integrity.completed_bytes >> unit_shift,
1110                         unit_name,
1111                         info->integrity.total_bytes >> unit_shift,
1112                         unit_name,
1113                         percent_done);
1114                 if (info->integrity.completed_bytes == info->integrity.total_bytes)
1115                         imagex_printf(T("\n"));
1116                 break;
1117         case WIMLIB_PROGRESS_MSG_CALC_INTEGRITY:
1118                 unit_shift = get_unit(info->integrity.total_bytes, &unit_name);
1119                 percent_done = TO_PERCENT(info->integrity.completed_bytes,
1120                                           info->integrity.total_bytes);
1121                 imagex_printf(T("\rCalculating integrity table for WIM: %"PRIu64" %"TS" "
1122                           "of %"PRIu64" %"TS" (%u%%) done"),
1123                         info->integrity.completed_bytes >> unit_shift,
1124                         unit_name,
1125                         info->integrity.total_bytes >> unit_shift,
1126                         unit_name,
1127                         percent_done);
1128                 if (info->integrity.completed_bytes == info->integrity.total_bytes)
1129                         imagex_printf(T("\n"));
1130                 break;
1131         case WIMLIB_PROGRESS_MSG_EXTRACT_IMAGE_BEGIN:
1132                 imagex_printf(T("Applying image %d (\"%"TS"\") from \"%"TS"\" "
1133                           "to %"TS" \"%"TS"\"\n"),
1134                         info->extract.image,
1135                         info->extract.image_name,
1136                         info->extract.wimfile_name,
1137                         ((info->extract.extract_flags & WIMLIB_EXTRACT_FLAG_NTFS) ?
1138                          T("NTFS volume") : T("directory")),
1139                         info->extract.target);
1140                 break;
1141         case WIMLIB_PROGRESS_MSG_EXTRACT_STREAMS:
1142                 percent_done = TO_PERCENT(info->extract.completed_bytes,
1143                                           info->extract.total_bytes);
1144                 unit_shift = get_unit(info->extract.total_bytes, &unit_name);
1145                 imagex_printf(T("\rExtracting files: "
1146                           "%"PRIu64" %"TS" of %"PRIu64" %"TS" (%u%%) done"),
1147                         info->extract.completed_bytes >> unit_shift,
1148                         unit_name,
1149                         info->extract.total_bytes >> unit_shift,
1150                         unit_name,
1151                         percent_done);
1152                 if (info->extract.completed_bytes >= info->extract.total_bytes)
1153                         imagex_printf(T("\n"));
1154                 break;
1155         case WIMLIB_PROGRESS_MSG_EXTRACT_SPWM_PART_BEGIN:
1156                 if (info->extract.total_parts != 1) {
1157                         imagex_printf(T("\nReading split pipable WIM part %u of %u\n"),
1158                                       info->extract.part_number,
1159                                       info->extract.total_parts);
1160                 }
1161                 break;
1162         case WIMLIB_PROGRESS_MSG_APPLY_TIMESTAMPS:
1163                 imagex_printf(T("Setting timestamps on all extracted files...\n"));
1164                 break;
1165         case WIMLIB_PROGRESS_MSG_EXTRACT_IMAGE_END:
1166                 if (info->extract.extract_flags & WIMLIB_EXTRACT_FLAG_NTFS) {
1167                         imagex_printf(T("Unmounting NTFS volume \"%"TS"\"...\n"),
1168                                 info->extract.target);
1169                 }
1170                 break;
1171         case WIMLIB_PROGRESS_MSG_SPLIT_BEGIN_PART:
1172                 percent_done = TO_PERCENT(info->split.completed_bytes,
1173                                           info->split.total_bytes);
1174                 unit_shift = get_unit(info->split.total_bytes, &unit_name);
1175                 imagex_printf(T("Writing \"%"TS"\" (part %u of %u): %"PRIu64" %"TS" of "
1176                           "%"PRIu64" %"TS" (%u%%) written\n"),
1177                         info->split.part_name,
1178                         info->split.cur_part_number,
1179                         info->split.total_parts,
1180                         info->split.completed_bytes >> unit_shift,
1181                         unit_name,
1182                         info->split.total_bytes >> unit_shift,
1183                         unit_name,
1184                         percent_done);
1185                 break;
1186         case WIMLIB_PROGRESS_MSG_SPLIT_END_PART:
1187                 if (info->split.completed_bytes == info->split.total_bytes) {
1188                         imagex_printf(T("Finished writing split WIM part %u of %u\n"),
1189                                 info->split.cur_part_number,
1190                                 info->split.total_parts);
1191                 }
1192                 break;
1193         case WIMLIB_PROGRESS_MSG_UPDATE_END_COMMAND:
1194                 switch (info->update.command->op) {
1195                 case WIMLIB_UPDATE_OP_DELETE:
1196                         imagex_printf(T("Deleted WIM path \"%"TS"\"\n"),
1197                                 info->update.command->delete_.wim_path);
1198                         break;
1199                 case WIMLIB_UPDATE_OP_RENAME:
1200                         imagex_printf(T("Renamed WIM path \"%"TS"\" => \"%"TS"\"\n"),
1201                                 info->update.command->rename.wim_source_path,
1202                                 info->update.command->rename.wim_target_path);
1203                         break;
1204                 case WIMLIB_UPDATE_OP_ADD:
1205                 default:
1206                         break;
1207                 }
1208                 break;
1209         case WIMLIB_PROGRESS_MSG_REPLACE_FILE_IN_WIM:
1210                 imagex_printf(T("Updating \"%"TS"\" in WIM image\n"),
1211                               info->replace.path_in_wim);
1212                 break;
1213         case WIMLIB_PROGRESS_MSG_WIMBOOT_EXCLUDE:
1214                 imagex_printf(T("\nExtracting \"%"TS"\" as normal file (not WIMBoot pointer)\n"),
1215                               info->wimboot_exclude.path_in_wim);
1216                 break;
1217         default:
1218                 break;
1219         }
1220         fflush(imagex_info_file);
1221         return 0;
1222 }
1223
1224 static unsigned
1225 parse_num_threads(const tchar *optarg)
1226 {
1227         tchar *tmp;
1228         unsigned long ul_nthreads = tstrtoul(optarg, &tmp, 10);
1229         if (ul_nthreads >= UINT_MAX || *tmp || tmp == optarg) {
1230                 imagex_error(T("Number of threads must be a non-negative integer!"));
1231                 return UINT_MAX;
1232         } else {
1233                 return ul_nthreads;
1234         }
1235 }
1236
1237 static uint32_t parse_chunk_size(const tchar *optarg)
1238 {
1239        tchar *tmp;
1240        unsigned long chunk_size = tstrtoul(optarg, &tmp, 10);
1241        if (chunk_size >= UINT32_MAX || *tmp || tmp == optarg) {
1242                imagex_error(T("Chunk size must be a non-negative integer!"));
1243                return UINT32_MAX;
1244        } else {
1245                return chunk_size;
1246        }
1247 }
1248
1249
1250 /*
1251  * Parse an option passed to an update command.
1252  *
1253  * @op:         One of WIMLIB_UPDATE_OP_* that indicates the command being
1254  *              parsed.
1255  *
1256  * @option:     Text string for the option (beginning with --)
1257  *
1258  * @cmd:        `struct wimlib_update_command' that is being constructed for
1259  *              this command.
1260  *
1261  * Returns true if the option was recognized; false if not.
1262  */
1263 static bool
1264 update_command_add_option(int op, const tchar *option,
1265                           struct wimlib_update_command *cmd)
1266 {
1267         bool recognized = true;
1268         switch (op) {
1269         case WIMLIB_UPDATE_OP_ADD:
1270                 if (!tstrcmp(option, T("--verbose")))
1271                         cmd->add.add_flags |= WIMLIB_ADD_FLAG_VERBOSE;
1272                 else if (!tstrcmp(option, T("--unix-data")))
1273                         cmd->add.add_flags |= WIMLIB_ADD_FLAG_UNIX_DATA;
1274                 else if (!tstrcmp(option, T("--no-acls")) || !tstrcmp(option, T("--noacls")))
1275                         cmd->add.add_flags |= WIMLIB_ADD_FLAG_NO_ACLS;
1276                 else if (!tstrcmp(option, T("--strict-acls")))
1277                         cmd->add.add_flags |= WIMLIB_ADD_FLAG_STRICT_ACLS;
1278                 else if (!tstrcmp(option, T("--dereference")))
1279                         cmd->add.add_flags |= WIMLIB_ADD_FLAG_DEREFERENCE;
1280                 else if (!tstrcmp(option, T("--no-replace")))
1281                         cmd->add.add_flags |= WIMLIB_ADD_FLAG_NO_REPLACE;
1282                 else
1283                         recognized = false;
1284                 break;
1285         case WIMLIB_UPDATE_OP_DELETE:
1286                 if (!tstrcmp(option, T("--force")))
1287                         cmd->delete_.delete_flags |= WIMLIB_DELETE_FLAG_FORCE;
1288                 else if (!tstrcmp(option, T("--recursive")))
1289                         cmd->delete_.delete_flags |= WIMLIB_DELETE_FLAG_RECURSIVE;
1290                 else
1291                         recognized = false;
1292                 break;
1293         default:
1294                 recognized = false;
1295                 break;
1296         }
1297         return recognized;
1298 }
1299
1300 /* How many nonoption arguments each `imagex update' command expects */
1301 static const unsigned update_command_num_nonoptions[] = {
1302         [WIMLIB_UPDATE_OP_ADD] = 2,
1303         [WIMLIB_UPDATE_OP_DELETE] = 1,
1304         [WIMLIB_UPDATE_OP_RENAME] = 2,
1305 };
1306
1307 static void
1308 update_command_add_nonoption(int op, const tchar *nonoption,
1309                              struct wimlib_update_command *cmd,
1310                              unsigned num_nonoptions)
1311 {
1312         switch (op) {
1313         case WIMLIB_UPDATE_OP_ADD:
1314                 if (num_nonoptions == 0)
1315                         cmd->add.fs_source_path = (tchar*)nonoption;
1316                 else
1317                         cmd->add.wim_target_path = (tchar*)nonoption;
1318                 break;
1319         case WIMLIB_UPDATE_OP_DELETE:
1320                 cmd->delete_.wim_path = (tchar*)nonoption;
1321                 break;
1322         case WIMLIB_UPDATE_OP_RENAME:
1323                 if (num_nonoptions == 0)
1324                         cmd->rename.wim_source_path = (tchar*)nonoption;
1325                 else
1326                         cmd->rename.wim_target_path = (tchar*)nonoption;
1327                 break;
1328         }
1329 }
1330
1331 /*
1332  * Parse a command passed on stdin to `imagex update'.
1333  *
1334  * @line:       Text of the command.
1335  * @len:        Length of the line, including a null terminator
1336  *              at line[len - 1].
1337  *
1338  * @command:    A `struct wimlib_update_command' to fill in from the parsed
1339  *              line.
1340  *
1341  * @line_number: Line number of the command, for diagnostics.
1342  *
1343  * Returns true on success; returns false on parse error.
1344  */
1345 static bool
1346 parse_update_command(tchar *line, size_t len,
1347                      struct wimlib_update_command *command,
1348                      size_t line_number)
1349 {
1350         int ret;
1351         tchar *command_name;
1352         int op;
1353         size_t num_nonoptions;
1354
1355         /* Get the command name ("add", "delete", "rename") */
1356         ret = parse_string(&line, &len, &command_name);
1357         if (ret != PARSE_STRING_SUCCESS)
1358                 return false;
1359
1360         if (!tstrcasecmp(command_name, T("add"))) {
1361                 op = WIMLIB_UPDATE_OP_ADD;
1362         } else if (!tstrcasecmp(command_name, T("delete"))) {
1363                 op = WIMLIB_UPDATE_OP_DELETE;
1364         } else if (!tstrcasecmp(command_name, T("rename"))) {
1365                 op = WIMLIB_UPDATE_OP_RENAME;
1366         } else {
1367                 imagex_error(T("Unknown update command \"%"TS"\" on line %zu"),
1368                              command_name, line_number);
1369                 return false;
1370         }
1371         command->op = op;
1372
1373         /* Parse additional options and non-options as needed */
1374         num_nonoptions = 0;
1375         for (;;) {
1376                 tchar *next_string;
1377
1378                 ret = parse_string(&line, &len, &next_string);
1379                 if (ret == PARSE_STRING_NONE) /* End of line */
1380                         break;
1381                 else if (ret != PARSE_STRING_SUCCESS) /* Parse failure */
1382                         return false;
1383                 if (next_string[0] == T('-') && next_string[1] == T('-')) {
1384                         /* Option */
1385                         if (!update_command_add_option(op, next_string, command))
1386                         {
1387                                 imagex_error(T("Unrecognized option \"%"TS"\" to "
1388                                                "update command \"%"TS"\" on line %zu"),
1389                                              next_string, command_name, line_number);
1390
1391                                 return false;
1392                         }
1393                 } else {
1394                         /* Nonoption */
1395                         if (num_nonoptions == update_command_num_nonoptions[op])
1396                         {
1397                                 imagex_error(T("Unexpected argument \"%"TS"\" in "
1398                                                "update command on line %zu\n"
1399                                                "       (The \"%"TS"\" command only "
1400                                                "takes %zu nonoption arguments!)\n"),
1401                                              next_string, line_number,
1402                                              command_name, num_nonoptions);
1403                                 return false;
1404                         }
1405                         update_command_add_nonoption(op, next_string,
1406                                                      command, num_nonoptions);
1407                         num_nonoptions++;
1408                 }
1409         }
1410
1411         if (num_nonoptions != update_command_num_nonoptions[op]) {
1412                 imagex_error(T("Not enough arguments to update command "
1413                                "\"%"TS"\" on line %zu"), command_name, line_number);
1414                 return false;
1415         }
1416         return true;
1417 }
1418
1419 static struct wimlib_update_command *
1420 parse_update_command_file(tchar **cmd_file_contents_p, size_t cmd_file_nchars,
1421                           size_t *num_cmds_ret)
1422 {
1423         ssize_t nlines;
1424         tchar *p;
1425         struct wimlib_update_command *cmds;
1426         size_t i, j;
1427
1428         nlines = text_file_count_lines(cmd_file_contents_p,
1429                                        &cmd_file_nchars);
1430         if (nlines < 0)
1431                 return NULL;
1432
1433         /* Always allocate at least 1 slot, just in case the implementation of
1434          * calloc() returns NULL if 0 bytes are requested. */
1435         cmds = calloc(nlines ?: 1, sizeof(struct wimlib_update_command));
1436         if (!cmds) {
1437                 imagex_error(T("out of memory"));
1438                 return NULL;
1439         }
1440         p = *cmd_file_contents_p;
1441         j = 0;
1442         for (i = 0; i < nlines; i++) {
1443                 /* XXX: Could use rawmemchr() here instead, but it may not be
1444                  * available on all platforms. */
1445                 tchar *endp = tmemchr(p, T('\n'), cmd_file_nchars);
1446                 size_t len = endp - p + 1;
1447                 *endp = T('\0');
1448                 if (!is_comment_line(p, len)) {
1449                         if (!parse_update_command(p, len, &cmds[j++], i + 1)) {
1450                                 free(cmds);
1451                                 return NULL;
1452                         }
1453                 }
1454                 p = endp + 1;
1455         }
1456         *num_cmds_ret = j;
1457         return cmds;
1458 }
1459
1460 /* Apply one image, or all images, from a WIM file to a directory, OR apply
1461  * one image from a WIM file to an NTFS volume.  */
1462 static int
1463 imagex_apply(int argc, tchar **argv, int cmd)
1464 {
1465         int c;
1466         int open_flags = 0;
1467         int image = WIMLIB_NO_IMAGE;
1468         WIMStruct *wim;
1469         struct wimlib_wim_info info;
1470         int ret;
1471         const tchar *wimfile;
1472         const tchar *target;
1473         const tchar *image_num_or_name = NULL;
1474         int extract_flags = 0;
1475
1476         STRING_SET(refglobs);
1477
1478         for_opt(c, apply_options) {
1479                 switch (c) {
1480                 case IMAGEX_CHECK_OPTION:
1481                         open_flags |= WIMLIB_OPEN_FLAG_CHECK_INTEGRITY;
1482                         break;
1483                 case IMAGEX_HARDLINK_OPTION:
1484                         extract_flags |= WIMLIB_EXTRACT_FLAG_HARDLINK;
1485                         break;
1486                 case IMAGEX_SYMLINK_OPTION:
1487                         extract_flags |= WIMLIB_EXTRACT_FLAG_SYMLINK;
1488                         break;
1489                 case IMAGEX_VERBOSE_OPTION:
1490                         /* No longer does anything.  */
1491                         break;
1492                 case IMAGEX_REF_OPTION:
1493                         ret = string_set_append(&refglobs, optarg);
1494                         if (ret)
1495                                 goto out_free_refglobs;
1496                         break;
1497                 case IMAGEX_UNIX_DATA_OPTION:
1498                         extract_flags |= WIMLIB_EXTRACT_FLAG_UNIX_DATA;
1499                         break;
1500                 case IMAGEX_NO_ACLS_OPTION:
1501                         extract_flags |= WIMLIB_EXTRACT_FLAG_NO_ACLS;
1502                         break;
1503                 case IMAGEX_STRICT_ACLS_OPTION:
1504                         extract_flags |= WIMLIB_EXTRACT_FLAG_STRICT_ACLS;
1505                         break;
1506                 case IMAGEX_NO_ATTRIBUTES_OPTION:
1507                         extract_flags |= WIMLIB_EXTRACT_FLAG_NO_ATTRIBUTES;
1508                         break;
1509                 case IMAGEX_NORPFIX_OPTION:
1510                         extract_flags |= WIMLIB_EXTRACT_FLAG_NORPFIX;
1511                         break;
1512                 case IMAGEX_RPFIX_OPTION:
1513                         extract_flags |= WIMLIB_EXTRACT_FLAG_RPFIX;
1514                         break;
1515                 case IMAGEX_INCLUDE_INVALID_NAMES_OPTION:
1516                         extract_flags |= WIMLIB_EXTRACT_FLAG_REPLACE_INVALID_FILENAMES;
1517                         extract_flags |= WIMLIB_EXTRACT_FLAG_ALL_CASE_CONFLICTS;
1518                         break;
1519                 case IMAGEX_RESUME_OPTION:
1520                         extract_flags |= WIMLIB_EXTRACT_FLAG_RESUME;
1521                         break;
1522                 case IMAGEX_WIMBOOT_OPTION:
1523                         extract_flags |= WIMLIB_EXTRACT_FLAG_WIMBOOT;
1524                         break;
1525                 default:
1526                         goto out_usage;
1527                 }
1528         }
1529         argc -= optind;
1530         argv += optind;
1531         if (argc != 2 && argc != 3)
1532                 goto out_usage;
1533
1534         wimfile = argv[0];
1535
1536         if (!tstrcmp(wimfile, T("-"))) {
1537                 /* Attempt to apply pipable WIM from standard input.  */
1538                 if (argc == 2) {
1539                         image_num_or_name = NULL;
1540                         target = argv[1];
1541                 } else {
1542                         image_num_or_name = argv[1];
1543                         target = argv[2];
1544                 }
1545                 wim = NULL;
1546         } else {
1547                 ret = wimlib_open_wim(wimfile, open_flags, &wim,
1548                                       imagex_progress_func);
1549                 if (ret)
1550                         goto out_free_refglobs;
1551
1552                 wimlib_get_wim_info(wim, &info);
1553
1554                 if (argc >= 3) {
1555                         /* Image explicitly specified.  */
1556                         image_num_or_name = argv[1];
1557                         image = wimlib_resolve_image(wim, image_num_or_name);
1558                         ret = verify_image_exists(image, image_num_or_name, wimfile);
1559                         if (ret)
1560                                 goto out_wimlib_free;
1561                         target = argv[2];
1562                 } else {
1563                         /* No image specified; default to image 1, but only if the WIM
1564                          * contains exactly one image.  */
1565
1566                         if (info.image_count != 1) {
1567                                 imagex_error(T("\"%"TS"\" contains %d images; "
1568                                                "Please select one (or all)."),
1569                                              wimfile, info.image_count);
1570                                 wimlib_free(wim);
1571                                 goto out_usage;
1572                         }
1573                         image = 1;
1574                         target = argv[1];
1575                 }
1576         }
1577
1578         if (refglobs.num_strings) {
1579                 if (wim == NULL) {
1580                         imagex_error(T("Can't specify --ref when applying from stdin!"));
1581                         ret = -1;
1582                         goto out_wimlib_free;
1583                 }
1584                 ret = wim_reference_globs(wim, &refglobs, open_flags);
1585                 if (ret)
1586                         goto out_wimlib_free;
1587         }
1588
1589 #ifndef __WIN32__
1590         {
1591                 /* Interpret a regular file or block device target as an NTFS
1592                  * volume.  */
1593                 struct stat stbuf;
1594
1595                 if (tstat(target, &stbuf)) {
1596                         if (errno != ENOENT) {
1597                                 imagex_error_with_errno(T("Failed to stat \"%"TS"\""),
1598                                                         target);
1599                                 ret = -1;
1600                                 goto out_wimlib_free;
1601                         }
1602                 } else {
1603                         if (S_ISBLK(stbuf.st_mode) || S_ISREG(stbuf.st_mode))
1604                                 extract_flags |= WIMLIB_EXTRACT_FLAG_NTFS;
1605                 }
1606         }
1607 #endif
1608
1609         if (wim) {
1610                 ret = wimlib_extract_image(wim, image, target, extract_flags,
1611                                            imagex_progress_func);
1612         } else {
1613                 set_fd_to_binary_mode(STDIN_FILENO);
1614                 ret = wimlib_extract_image_from_pipe(STDIN_FILENO,
1615                                                      image_num_or_name,
1616                                                      target, extract_flags,
1617                                                      imagex_progress_func);
1618         }
1619         if (ret == 0) {
1620                 imagex_printf(T("Done applying WIM image.\n"));
1621         } else if (ret == WIMLIB_ERR_RESOURCE_NOT_FOUND) {
1622                 if (wim) {
1623                         do_resource_not_found_warning(wimfile, &info, &refglobs);
1624                 } else {
1625                         imagex_error(T(        "If you are applying an image "
1626                                                "from a split pipable WIM,\n"
1627                                        "       make sure you have "
1628                                        "concatenated together all parts."));
1629                 }
1630         }
1631 out_wimlib_free:
1632         wimlib_free(wim);
1633 out_free_refglobs:
1634         string_set_destroy(&refglobs);
1635         return ret;
1636
1637 out_usage:
1638         usage(CMD_APPLY, stderr);
1639         ret = -1;
1640         goto out_free_refglobs;
1641 }
1642
1643 /* Create a WIM image from a directory tree, NTFS volume, or multiple files or
1644  * directory trees.  'wimlib-imagex capture': create a new WIM file containing
1645  * the desired image.  'wimlib-imagex append': add a new image to an existing
1646  * WIM file. */
1647 static int
1648 imagex_capture_or_append(int argc, tchar **argv, int cmd)
1649 {
1650         int c;
1651         int open_flags = WIMLIB_OPEN_FLAG_WRITE_ACCESS;
1652         int add_image_flags = WIMLIB_ADD_IMAGE_FLAG_EXCLUDE_VERBOSE |
1653                               WIMLIB_ADD_IMAGE_FLAG_WINCONFIG |
1654                               WIMLIB_ADD_IMAGE_FLAG_VERBOSE;
1655         int write_flags = 0;
1656         int compression_type = WIMLIB_COMPRESSION_TYPE_INVALID;
1657         uint32_t chunk_size = UINT32_MAX;
1658         uint32_t pack_chunk_size = UINT32_MAX;
1659         int pack_ctype = WIMLIB_COMPRESSION_TYPE_INVALID;
1660         const tchar *wimfile;
1661         int wim_fd;
1662         const tchar *name;
1663         const tchar *desc;
1664         const tchar *flags_element = NULL;
1665
1666         WIMStruct *wim;
1667         STRING_SET(base_wimfiles);
1668         WIMStruct **base_wims;
1669
1670         WIMStruct *template_wim;
1671         const tchar *template_wimfile = NULL;
1672         const tchar *template_image_name_or_num = NULL;
1673         int template_image = WIMLIB_NO_IMAGE;
1674
1675         int ret;
1676         unsigned num_threads = 0;
1677
1678         tchar *source;
1679         tchar *source_copy;
1680
1681         tchar *config_file = NULL;
1682
1683         bool source_list = false;
1684         size_t source_list_nchars = 0;
1685         tchar *source_list_contents;
1686         bool capture_sources_malloced;
1687         struct wimlib_capture_source *capture_sources;
1688         size_t num_sources;
1689         bool name_defaulted;
1690         bool compress_slow = false;
1691
1692         for_opt(c, capture_or_append_options) {
1693                 switch (c) {
1694                 case IMAGEX_BOOT_OPTION:
1695                         add_image_flags |= WIMLIB_ADD_IMAGE_FLAG_BOOT;
1696                         break;
1697                 case IMAGEX_CHECK_OPTION:
1698                         open_flags |= WIMLIB_OPEN_FLAG_CHECK_INTEGRITY;
1699                         write_flags |= WIMLIB_WRITE_FLAG_CHECK_INTEGRITY;
1700                         break;
1701                 case IMAGEX_NOCHECK_OPTION:
1702                         write_flags |= WIMLIB_WRITE_FLAG_NO_CHECK_INTEGRITY;
1703                         break;
1704                 case IMAGEX_CONFIG_OPTION:
1705                         config_file = optarg;
1706                         add_image_flags &= ~WIMLIB_ADD_IMAGE_FLAG_WINCONFIG;
1707                         break;
1708                 case IMAGEX_COMPRESS_OPTION:
1709                         compression_type = get_compression_type(optarg);
1710                         if (compression_type == WIMLIB_COMPRESSION_TYPE_INVALID)
1711                                 goto out_err;
1712                         break;
1713                 case IMAGEX_COMPRESS_SLOW_OPTION:
1714                         compress_slow = true;
1715                         break;
1716                 case IMAGEX_CHUNK_SIZE_OPTION:
1717                         chunk_size = parse_chunk_size(optarg);
1718                         if (chunk_size == UINT32_MAX)
1719                                 goto out_err;
1720                         break;
1721                 case IMAGEX_PACK_CHUNK_SIZE_OPTION:
1722                         pack_chunk_size = parse_chunk_size(optarg);
1723                         if (pack_chunk_size == UINT32_MAX)
1724                                 goto out_err;
1725                         break;
1726                 case IMAGEX_PACK_COMPRESS_OPTION:
1727                         pack_ctype = get_compression_type(optarg);
1728                         if (pack_ctype == WIMLIB_COMPRESSION_TYPE_INVALID)
1729                                 goto out_err;
1730                         break;
1731                 case IMAGEX_PACK_STREAMS_OPTION:
1732                         write_flags |= WIMLIB_WRITE_FLAG_PACK_STREAMS;
1733                         break;
1734                 case IMAGEX_FLAGS_OPTION:
1735                         flags_element = optarg;
1736                         break;
1737                 case IMAGEX_DEREFERENCE_OPTION:
1738                         add_image_flags |= WIMLIB_ADD_IMAGE_FLAG_DEREFERENCE;
1739                         break;
1740                 case IMAGEX_VERBOSE_OPTION:
1741                         /* No longer does anything.  */
1742                         break;
1743                 case IMAGEX_THREADS_OPTION:
1744                         num_threads = parse_num_threads(optarg);
1745                         if (num_threads == UINT_MAX)
1746                                 goto out_err;
1747                         break;
1748                 case IMAGEX_REBUILD_OPTION:
1749                         write_flags |= WIMLIB_WRITE_FLAG_REBUILD;
1750                         break;
1751                 case IMAGEX_UNIX_DATA_OPTION:
1752                         add_image_flags |= WIMLIB_ADD_IMAGE_FLAG_UNIX_DATA;
1753                         break;
1754                 case IMAGEX_SOURCE_LIST_OPTION:
1755                         source_list = true;
1756                         break;
1757                 case IMAGEX_NO_ACLS_OPTION:
1758                         add_image_flags |= WIMLIB_ADD_IMAGE_FLAG_NO_ACLS;
1759                         break;
1760                 case IMAGEX_STRICT_ACLS_OPTION:
1761                         add_image_flags |= WIMLIB_ADD_IMAGE_FLAG_STRICT_ACLS;
1762                         break;
1763                 case IMAGEX_RPFIX_OPTION:
1764                         add_image_flags |= WIMLIB_ADD_IMAGE_FLAG_RPFIX;
1765                         break;
1766                 case IMAGEX_NORPFIX_OPTION:
1767                         add_image_flags |= WIMLIB_ADD_IMAGE_FLAG_NORPFIX;
1768                         break;
1769                 case IMAGEX_PIPABLE_OPTION:
1770                         write_flags |= WIMLIB_WRITE_FLAG_PIPABLE;
1771                         break;
1772                 case IMAGEX_NOT_PIPABLE_OPTION:
1773                         write_flags |= WIMLIB_WRITE_FLAG_NOT_PIPABLE;
1774                         break;
1775                 case IMAGEX_UPDATE_OF_OPTION:
1776                         if (template_image_name_or_num) {
1777                                 imagex_error(T("'--update-of' can only be "
1778                                                "specified one time!"));
1779                                 goto out_err;
1780                         } else {
1781                                 tchar *colon;
1782                                 colon = tstrrchr(optarg, T(':'));
1783
1784                                 if (colon) {
1785                                         template_wimfile = optarg;
1786                                         *colon = T('\0');
1787                                         template_image_name_or_num = colon + 1;
1788                                 } else {
1789                                         template_wimfile = NULL;
1790                                         template_image_name_or_num = optarg;
1791                                 }
1792                         }
1793                         break;
1794                 case IMAGEX_DELTA_FROM_OPTION:
1795                         if (cmd != CMD_CAPTURE) {
1796                                 imagex_error(T("'--delta-from' is only "
1797                                                "valid for capture!"));
1798                                 goto out_usage;
1799                         }
1800                         ret = string_set_append(&base_wimfiles, optarg);
1801                         if (ret)
1802                                 goto out_free_base_wimfiles;
1803                         write_flags |= WIMLIB_WRITE_FLAG_SKIP_EXTERNAL_WIMS;
1804                         break;
1805                 case IMAGEX_WIMBOOT_OPTION:
1806                         add_image_flags |= WIMLIB_ADD_IMAGE_FLAG_WIMBOOT;
1807                         break;
1808                 default:
1809                         goto out_usage;
1810                 }
1811         }
1812         argc -= optind;
1813         argv += optind;
1814
1815         if (argc < 2 || argc > 4)
1816                 goto out_usage;
1817
1818         source = argv[0];
1819         wimfile = argv[1];
1820
1821         /* Set default compression type and parameters.  */
1822
1823
1824         if (compression_type == WIMLIB_COMPRESSION_TYPE_INVALID) {
1825                 /* No compression type specified.  Use the default.  */
1826
1827                 if (add_image_flags & WIMLIB_ADD_IMAGE_FLAG_WIMBOOT) {
1828                         /* With --wimboot, default to XPRESS compression.  */
1829                         compression_type = WIMLIB_COMPRESSION_TYPE_XPRESS;
1830                 } else if (write_flags & WIMLIB_WRITE_FLAG_PACK_STREAMS) {
1831                         /* With --pack-streams or --solid, default to LZMS
1832                          * compression.  (However, this will not affect packed
1833                          * resources!)  */
1834                         compression_type = WIMLIB_COMPRESSION_TYPE_LZMS;
1835                 } else {
1836                         /* Otherwise, default to LZX compression in fast mode.
1837                          */
1838                         compression_type = WIMLIB_COMPRESSION_TYPE_LZX;
1839                         if (!compress_slow && pack_ctype != WIMLIB_COMPRESSION_TYPE_LZX) {
1840                                 struct wimlib_lzx_compressor_params params = {
1841                                         .hdr.size = sizeof(params),
1842                                         .algorithm = WIMLIB_LZX_ALGORITHM_FAST,
1843                                         .use_defaults = 1,
1844                                 };
1845                                 wimlib_set_default_compressor_params(WIMLIB_COMPRESSION_TYPE_LZX,
1846                                                                      &params.hdr);
1847                         }
1848                 }
1849         }
1850
1851         if (compress_slow)
1852                 set_compress_slow();
1853
1854         if (!tstrcmp(wimfile, T("-"))) {
1855                 /* Writing captured WIM to standard output.  */
1856         #if 0
1857                 if (!(write_flags & WIMLIB_WRITE_FLAG_PIPABLE)) {
1858                         imagex_error("Can't write a non-pipable WIM to "
1859                                      "standard output!  Specify --pipable\n"
1860                                      "       if you want to create a pipable WIM "
1861                                      "(but read the docs first).");
1862                         goto out_err;
1863                 }
1864         #else
1865                 write_flags |= WIMLIB_WRITE_FLAG_PIPABLE;
1866         #endif
1867                 if (cmd == CMD_APPEND) {
1868                         imagex_error(T("Using standard output for append does "
1869                                        "not make sense."));
1870                         goto out_err;
1871                 }
1872                 wim_fd = STDOUT_FILENO;
1873                 wimfile = NULL;
1874                 imagex_info_file = stderr;
1875                 set_fd_to_binary_mode(wim_fd);
1876         }
1877
1878         /* If template image was specified using --update-of=IMAGE rather
1879          * than --update-of=WIMFILE:IMAGE, set the default WIMFILE.  */
1880         if (template_image_name_or_num && !template_wimfile) {
1881                 if (base_wimfiles.num_strings == 1) {
1882                         /* Capturing delta WIM based on single WIM:  default to
1883                          * base WIM.  */
1884                         template_wimfile = base_wimfiles.strings[0];
1885                 } else if (cmd == CMD_APPEND) {
1886                         /* Appending to WIM:  default to WIM being appended to.
1887                          */
1888                         template_wimfile = wimfile;
1889                 } else {
1890                         /* Capturing a normal (non-delta) WIM, so the WIM file
1891                          * *must* be explicitly specified.  */
1892                         if (base_wimfiles.num_strings > 1) {
1893                                 imagex_error(T("For capture of delta WIM "
1894                                                "based on multiple existing "
1895                                                "WIMs,\n"
1896                                                "      '--update-of' must "
1897                                                "specify WIMFILE:IMAGE!"));
1898                         } else {
1899                                 imagex_error(T("For capture of non-delta WIM, "
1900                                                "'--update-of' must specify "
1901                                                "WIMFILE:IMAGE!"));
1902                         }
1903                         goto out_usage;
1904                 }
1905         }
1906
1907         if (argc >= 3) {
1908                 name = argv[2];
1909                 name_defaulted = false;
1910         } else {
1911                 /* Set default name to SOURCE argument, omitting any directory
1912                  * prefixes and trailing slashes.  This requires making a copy
1913                  * of @source.  Leave some free characters at the end in case we
1914                  * append a number to keep the name unique. */
1915                 size_t source_name_len;
1916
1917                 source_name_len = tstrlen(source);
1918                 source_copy = alloca((source_name_len + 1 + 25) * sizeof(tchar));
1919                 name = tbasename(tstrcpy(source_copy, source));
1920                 name_defaulted = true;
1921         }
1922         /* Image description defaults to NULL if not given. */
1923         if (argc >= 4)
1924                 desc = argv[3];
1925         else
1926                 desc = NULL;
1927
1928         if (source_list) {
1929                 /* Set up capture sources in source list mode */
1930                 if (source[0] == T('-') && source[1] == T('\0')) {
1931                         source_list_contents = stdin_get_text_contents(&source_list_nchars);
1932                 } else {
1933                         source_list_contents = file_get_text_contents(source,
1934                                                                       &source_list_nchars);
1935                 }
1936                 if (!source_list_contents)
1937                         goto out_err;
1938
1939                 capture_sources = parse_source_list(&source_list_contents,
1940                                                     source_list_nchars,
1941                                                     &num_sources);
1942                 if (!capture_sources) {
1943                         ret = -1;
1944                         goto out_free_source_list_contents;
1945                 }
1946                 capture_sources_malloced = true;
1947         } else {
1948                 /* Set up capture source in non-source-list mode.  */
1949                 capture_sources = alloca(sizeof(struct wimlib_capture_source));
1950                 capture_sources[0].fs_source_path = source;
1951                 capture_sources[0].wim_target_path = WIMLIB_WIM_ROOT_PATH;
1952                 capture_sources[0].reserved = 0;
1953                 num_sources = 1;
1954                 capture_sources_malloced = false;
1955                 source_list_contents = NULL;
1956         }
1957
1958         /* Open the existing WIM, or create a new one.  */
1959         if (cmd == CMD_APPEND)
1960                 ret = wimlib_open_wim(wimfile, open_flags, &wim,
1961                                       imagex_progress_func);
1962         else
1963                 ret = wimlib_create_new_wim(compression_type, &wim);
1964         if (ret)
1965                 goto out_free_capture_sources;
1966
1967         /* Set chunk size if non-default.  */
1968         if (chunk_size != UINT32_MAX) {
1969                 ret = wimlib_set_output_chunk_size(wim, chunk_size);
1970                 if (ret)
1971                         goto out_free_wim;
1972         } else if ((add_image_flags & WIMLIB_ADD_IMAGE_FLAG_WIMBOOT) &&
1973                    compression_type == WIMLIB_COMPRESSION_TYPE_XPRESS) {
1974                 ret = wimlib_set_output_chunk_size(wim, 4096);
1975                 if (ret)
1976                         goto out_free_wim;
1977         }
1978         if (pack_ctype != WIMLIB_COMPRESSION_TYPE_INVALID) {
1979                 ret = wimlib_set_output_pack_compression_type(wim, pack_ctype);
1980                 if (ret)
1981                         goto out_free_wim;
1982         }
1983         if (pack_chunk_size != UINT32_MAX) {
1984                 ret = wimlib_set_output_pack_chunk_size(wim, pack_chunk_size);
1985                 if (ret)
1986                         goto out_free_wim;
1987         }
1988
1989 #ifndef __WIN32__
1990         /* Detect if source is regular file or block device and set NTFS volume
1991          * capture mode.  */
1992         if (!source_list) {
1993                 struct stat stbuf;
1994
1995                 if (tstat(source, &stbuf) == 0) {
1996                         if (S_ISBLK(stbuf.st_mode) || S_ISREG(stbuf.st_mode)) {
1997                                 imagex_printf(T("Capturing WIM image from NTFS "
1998                                           "filesystem on \"%"TS"\"\n"), source);
1999                                 add_image_flags |= WIMLIB_ADD_IMAGE_FLAG_NTFS;
2000                         }
2001                 } else {
2002                         if (errno != ENOENT) {
2003                                 imagex_error_with_errno(T("Failed to stat "
2004                                                           "\"%"TS"\""), source);
2005                                 ret = -1;
2006                                 goto out_free_wim;
2007                         }
2008                 }
2009         }
2010 #endif
2011
2012         /* If the user did not specify an image name, and the basename of the
2013          * source already exists as an image name in the WIM file, append a
2014          * suffix to make it unique. */
2015         if (cmd == CMD_APPEND && name_defaulted) {
2016                 unsigned long conflict_idx;
2017                 tchar *name_end = tstrchr(name, T('\0'));
2018                 for (conflict_idx = 1;
2019                      wimlib_image_name_in_use(wim, name);
2020                      conflict_idx++)
2021                 {
2022                         tsprintf(name_end, T(" (%lu)"), conflict_idx);
2023                 }
2024         }
2025
2026         /* If capturing a delta WIM, reference resources from the base WIMs
2027          * before adding the new image.  */
2028         if (base_wimfiles.num_strings) {
2029                 base_wims = calloc(base_wimfiles.num_strings,
2030                                    sizeof(base_wims[0]));
2031                 if (base_wims == NULL) {
2032                         imagex_error(T("Out of memory!"));
2033                         ret = -1;
2034                         goto out_free_wim;
2035                 }
2036
2037                 for (size_t i = 0; i < base_wimfiles.num_strings; i++) {
2038                         ret = wimlib_open_wim(base_wimfiles.strings[i],
2039                                               open_flags, &base_wims[i],
2040                                               imagex_progress_func);
2041                         if (ret)
2042                                 goto out_free_base_wims;
2043
2044                 }
2045
2046                 ret = wimlib_reference_resources(wim, base_wims,
2047                                                  base_wimfiles.num_strings, 0);
2048                 if (ret)
2049                         goto out_free_base_wims;
2050
2051                 if (base_wimfiles.num_strings == 1) {
2052                         imagex_printf(T("Capturing delta WIM based on \"%"TS"\"\n"),
2053                                       base_wimfiles.strings[0]);
2054                 } else {
2055                         imagex_printf(T("Capturing delta WIM based on %u WIMs\n"),
2056                                       base_wimfiles.num_strings);
2057                 }
2058
2059         } else {
2060                 base_wims = NULL;
2061         }
2062
2063         /* If capturing or appending as an update of an existing (template) image,
2064          * open the WIM if needed and parse the image index.  */
2065         if (template_image_name_or_num) {
2066
2067
2068                 if (base_wimfiles.num_strings == 1 &&
2069                     template_wimfile == base_wimfiles.strings[0]) {
2070                         template_wim = base_wims[0];
2071                 } else if (template_wimfile == wimfile) {
2072                         template_wim = wim;
2073                 } else {
2074                         ret = wimlib_open_wim(template_wimfile, open_flags,
2075                                               &template_wim, imagex_progress_func);
2076                         if (ret)
2077                                 goto out_free_base_wims;
2078                 }
2079
2080                 template_image = wimlib_resolve_image(template_wim,
2081                                                       template_image_name_or_num);
2082
2083                 if (template_image_name_or_num[0] == T('-')) {
2084                         tchar *tmp;
2085                         unsigned long n;
2086                         struct wimlib_wim_info info;
2087
2088                         wimlib_get_wim_info(template_wim, &info);
2089                         n = tstrtoul(template_image_name_or_num + 1, &tmp, 10);
2090                         if (n >= 1 && n <= info.image_count &&
2091                             *tmp == T('\0') &&
2092                             tmp != template_image_name_or_num + 1)
2093                         {
2094                                 template_image = info.image_count - (n - 1);
2095                         }
2096                 }
2097                 ret = verify_image_exists_and_is_single(template_image,
2098                                                         template_image_name_or_num,
2099                                                         template_wimfile);
2100                 if (ret)
2101                         goto out_free_template_wim;
2102         } else {
2103                 template_wim = NULL;
2104         }
2105
2106         ret = wimlib_add_image_multisource(wim,
2107                                            capture_sources,
2108                                            num_sources,
2109                                            name,
2110                                            config_file,
2111                                            add_image_flags,
2112                                            imagex_progress_func);
2113         if (ret)
2114                 goto out_free_template_wim;
2115
2116         if (desc || flags_element || template_image_name_or_num) {
2117                 /* User provided <DESCRIPTION> or <FLAGS> element, or an image
2118                  * on which the added one is to be based has been specified with
2119                  * --update-of.  Get the index of the image we just
2120                  *  added, then use it to call the appropriate functions.  */
2121                 struct wimlib_wim_info info;
2122
2123                 wimlib_get_wim_info(wim, &info);
2124
2125                 if (desc) {
2126                         ret = wimlib_set_image_descripton(wim,
2127                                                           info.image_count,
2128                                                           desc);
2129                         if (ret)
2130                                 goto out_free_template_wim;
2131                 }
2132
2133                 if (flags_element) {
2134                         ret = wimlib_set_image_flags(wim, info.image_count,
2135                                                      flags_element);
2136                         if (ret)
2137                                 goto out_free_template_wim;
2138                 }
2139
2140                 /* Reference template image if the user provided one.  */
2141                 if (template_image_name_or_num) {
2142                         imagex_printf(T("Using image %d "
2143                                         "from \"%"TS"\" as template\n"),
2144                                         template_image, template_wimfile);
2145                         ret = wimlib_reference_template_image(wim,
2146                                                               info.image_count,
2147                                                               template_wim,
2148                                                               template_image,
2149                                                               0, NULL);
2150                         if (ret)
2151                                 goto out_free_template_wim;
2152                 }
2153         }
2154
2155         /* Write the new WIM or overwrite the existing WIM with the new image
2156          * appended.  */
2157         if (cmd == CMD_APPEND) {
2158                 ret = wimlib_overwrite(wim, write_flags, num_threads,
2159                                        imagex_progress_func);
2160         } else if (wimfile) {
2161                 ret = wimlib_write(wim, wimfile, WIMLIB_ALL_IMAGES,
2162                                    write_flags, num_threads,
2163                                    imagex_progress_func);
2164         } else {
2165                 ret = wimlib_write_to_fd(wim, wim_fd, WIMLIB_ALL_IMAGES,
2166                                          write_flags, num_threads,
2167                                          imagex_progress_func);
2168         }
2169 out_free_template_wim:
2170         /* template_wim may alias base_wims[0] or wim.  */
2171         if ((base_wimfiles.num_strings != 1 || template_wim != base_wims[0]) &&
2172             template_wim != wim)
2173                 wimlib_free(template_wim);
2174 out_free_base_wims:
2175         for (size_t i = 0; i < base_wimfiles.num_strings; i++)
2176                 wimlib_free(base_wims[i]);
2177         free(base_wims);
2178 out_free_wim:
2179         wimlib_free(wim);
2180 out_free_capture_sources:
2181         if (capture_sources_malloced)
2182                 free(capture_sources);
2183 out_free_source_list_contents:
2184         free(source_list_contents);
2185 out_free_base_wimfiles:
2186         string_set_destroy(&base_wimfiles);
2187         return ret;
2188
2189 out_usage:
2190         usage(cmd, stderr);
2191 out_err:
2192         ret = -1;
2193         goto out_free_base_wimfiles;
2194 }
2195
2196 /* Remove image(s) from a WIM. */
2197 static int
2198 imagex_delete(int argc, tchar **argv, int cmd)
2199 {
2200         int c;
2201         int open_flags = WIMLIB_OPEN_FLAG_WRITE_ACCESS;
2202         int write_flags = 0;
2203         const tchar *wimfile;
2204         const tchar *image_num_or_name;
2205         WIMStruct *wim;
2206         int image;
2207         int ret;
2208
2209         for_opt(c, delete_options) {
2210                 switch (c) {
2211                 case IMAGEX_CHECK_OPTION:
2212                         open_flags |= WIMLIB_OPEN_FLAG_CHECK_INTEGRITY;
2213                         write_flags |= WIMLIB_WRITE_FLAG_CHECK_INTEGRITY;
2214                         break;
2215                 case IMAGEX_SOFT_OPTION:
2216                         write_flags |= WIMLIB_WRITE_FLAG_SOFT_DELETE;
2217                         break;
2218                 default:
2219                         goto out_usage;
2220                 }
2221         }
2222         argc -= optind;
2223         argv += optind;
2224
2225         if (argc != 2) {
2226                 if (argc < 1)
2227                         imagex_error(T("Must specify a WIM file"));
2228                 if (argc < 2)
2229                         imagex_error(T("Must specify an image"));
2230                 goto out_usage;
2231         }
2232         wimfile = argv[0];
2233         image_num_or_name = argv[1];
2234
2235         ret = wimlib_open_wim(wimfile, open_flags, &wim,
2236                               imagex_progress_func);
2237         if (ret)
2238                 goto out;
2239
2240         image = wimlib_resolve_image(wim, image_num_or_name);
2241
2242         ret = verify_image_exists(image, image_num_or_name, wimfile);
2243         if (ret)
2244                 goto out_wimlib_free;
2245
2246         ret = wimlib_delete_image(wim, image);
2247         if (ret) {
2248                 imagex_error(T("Failed to delete image from \"%"TS"\""),
2249                              wimfile);
2250                 goto out_wimlib_free;
2251         }
2252
2253         ret = wimlib_overwrite(wim, write_flags, 0, imagex_progress_func);
2254         if (ret) {
2255                 imagex_error(T("Failed to write the file \"%"TS"\" with image "
2256                                "deleted"), wimfile);
2257         }
2258 out_wimlib_free:
2259         wimlib_free(wim);
2260 out:
2261         return ret;
2262
2263 out_usage:
2264         usage(CMD_DELETE, stderr);
2265         ret = -1;
2266         goto out;
2267 }
2268
2269 struct print_dentry_options {
2270         bool detailed;
2271 };
2272
2273 static void
2274 print_dentry_full_path(const struct wimlib_dir_entry *dentry)
2275 {
2276         tprintf(T("%"TS"\n"), dentry->full_path);
2277 }
2278
2279 static const struct {
2280         uint32_t flag;
2281         const tchar *name;
2282 } file_attr_flags[] = {
2283         {WIMLIB_FILE_ATTRIBUTE_READONLY,            T("READONLY")},
2284         {WIMLIB_FILE_ATTRIBUTE_HIDDEN,              T("HIDDEN")},
2285         {WIMLIB_FILE_ATTRIBUTE_SYSTEM,              T("SYSTEM")},
2286         {WIMLIB_FILE_ATTRIBUTE_DIRECTORY,           T("DIRECTORY")},
2287         {WIMLIB_FILE_ATTRIBUTE_ARCHIVE,             T("ARCHIVE")},
2288         {WIMLIB_FILE_ATTRIBUTE_DEVICE,              T("DEVICE")},
2289         {WIMLIB_FILE_ATTRIBUTE_NORMAL,              T("NORMAL")},
2290         {WIMLIB_FILE_ATTRIBUTE_TEMPORARY,           T("TEMPORARY")},
2291         {WIMLIB_FILE_ATTRIBUTE_SPARSE_FILE,         T("SPARSE_FILE")},
2292         {WIMLIB_FILE_ATTRIBUTE_REPARSE_POINT,       T("REPARSE_POINT")},
2293         {WIMLIB_FILE_ATTRIBUTE_COMPRESSED,          T("COMPRESSED")},
2294         {WIMLIB_FILE_ATTRIBUTE_OFFLINE,             T("OFFLINE")},
2295         {WIMLIB_FILE_ATTRIBUTE_NOT_CONTENT_INDEXED, T("NOT_CONTENT_INDEXED")},
2296         {WIMLIB_FILE_ATTRIBUTE_ENCRYPTED,           T("ENCRYPTED")},
2297         {WIMLIB_FILE_ATTRIBUTE_VIRTUAL,             T("VIRTUAL")},
2298 };
2299
2300 #define TIMESTR_MAX 100
2301
2302 static void
2303 timespec_to_string(const struct timespec *spec, tchar *buf)
2304 {
2305         time_t t = spec->tv_sec;
2306         struct tm tm;
2307         gmtime_r(&t, &tm);
2308         tstrftime(buf, TIMESTR_MAX, T("%a %b %d %H:%M:%S %Y UTC"), &tm);
2309         buf[TIMESTR_MAX - 1] = '\0';
2310 }
2311
2312 static void
2313 print_time(const tchar *type, const struct timespec *spec)
2314 {
2315         tchar timestr[TIMESTR_MAX];
2316
2317         timespec_to_string(spec, timestr);
2318
2319         tprintf(T("%-20"TS"= %"TS"\n"), type, timestr);
2320 }
2321
2322 static void print_byte_field(const uint8_t field[], size_t len)
2323 {
2324         while (len--)
2325                 tprintf(T("%02hhx"), *field++);
2326 }
2327
2328 static void
2329 print_wim_information(const tchar *wimfile, const struct wimlib_wim_info *info)
2330 {
2331         tputs(T("WIM Information:"));
2332         tputs(T("----------------"));
2333         tprintf(T("Path:           %"TS"\n"), wimfile);
2334         tprintf(T("GUID:           0x"));
2335         print_byte_field(info->guid, sizeof(info->guid));
2336         tputchar(T('\n'));
2337         tprintf(T("Version:        %u\n"), info->wim_version);
2338         tprintf(T("Image Count:    %d\n"), info->image_count);
2339         tprintf(T("Compression:    %"TS"\n"),
2340                 wimlib_get_compression_type_string(info->compression_type));
2341         tprintf(T("Chunk Size:     %"PRIu32" bytes\n"),
2342                 info->chunk_size);
2343         tprintf(T("Part Number:    %d/%d\n"), info->part_number, info->total_parts);
2344         tprintf(T("Boot Index:     %d\n"), info->boot_index);
2345         tprintf(T("Size:           %"PRIu64" bytes\n"), info->total_bytes);
2346         tprintf(T("Integrity Info: %"TS"\n"),
2347                 info->has_integrity_table ? T("yes") : T("no"));
2348         tprintf(T("Relative path junction: %"TS"\n"),
2349                 info->has_rpfix ? T("yes") : T("no"));
2350         tprintf(T("Pipable:        %"TS"\n"),
2351                 info->pipable ? T("yes") : T("no"));
2352         tputchar(T('\n'));
2353 }
2354
2355 static int
2356 print_resource(const struct wimlib_resource_entry *resource,
2357                void *_ignore)
2358 {
2359         tprintf(T("Hash                = 0x"));
2360         print_byte_field(resource->sha1_hash, sizeof(resource->sha1_hash));
2361         tputchar(T('\n'));
2362
2363         if (!resource->is_missing) {
2364                 tprintf(T("Uncompressed size   = %"PRIu64" bytes\n"),
2365                         resource->uncompressed_size);
2366                 if (resource->packed) {
2367                         tprintf(T("Raw compressed size = %"PRIu64" bytes\n"),
2368                                 resource->raw_resource_compressed_size);
2369
2370                         tprintf(T("Raw offset in WIM   = %"PRIu64" bytes\n"),
2371                                 resource->raw_resource_offset_in_wim);
2372
2373                         tprintf(T("Offset in raw       = %"PRIu64" bytes\n"),
2374                                 resource->offset);
2375                 } else {
2376                         tprintf(T("Compressed size     = %"PRIu64" bytes\n"),
2377                                 resource->compressed_size);
2378
2379                         tprintf(T("Offset in WIM       = %"PRIu64" bytes\n"),
2380                                 resource->offset);
2381                 }
2382
2383                 tprintf(T("Part Number         = %u\n"), resource->part_number);
2384                 tprintf(T("Reference Count     = %u\n"), resource->reference_count);
2385
2386                 tprintf(T("Flags               = "));
2387                 if (resource->is_compressed)
2388                         tprintf(T("WIM_RESHDR_FLAG_COMPRESSED  "));
2389                 if (resource->is_metadata)
2390                         tprintf(T("WIM_RESHDR_FLAG_METADATA  "));
2391                 if (resource->is_free)
2392                         tprintf(T("WIM_RESHDR_FLAG_FREE  "));
2393                 if (resource->is_spanned)
2394                         tprintf(T("WIM_RESHDR_FLAG_SPANNED  "));
2395                 if (resource->packed)
2396                         tprintf(T("WIM_RESHDR_FLAG_PACKED_STREAMS  "));
2397                 tputchar(T('\n'));
2398         }
2399         tputchar(T('\n'));
2400         return 0;
2401 }
2402
2403 static void
2404 print_lookup_table(WIMStruct *wim)
2405 {
2406         wimlib_iterate_lookup_table(wim, 0, print_resource, NULL);
2407 }
2408
2409 static void
2410 default_print_security_descriptor(const uint8_t *sd, size_t size)
2411 {
2412         tprintf(T("Security Descriptor = "));
2413         print_byte_field(sd, size);
2414         tputchar(T('\n'));
2415 }
2416
2417 static void
2418 print_dentry_detailed(const struct wimlib_dir_entry *dentry)
2419 {
2420
2421         tprintf(T(
2422 "----------------------------------------------------------------------------\n"));
2423         tprintf(T("Full Path           = \"%"TS"\"\n"), dentry->full_path);
2424         if (dentry->dos_name)
2425                 tprintf(T("Short Name          = \"%"TS"\"\n"), dentry->dos_name);
2426         tprintf(T("Attributes          = 0x%08x\n"), dentry->attributes);
2427         for (size_t i = 0; i < ARRAY_LEN(file_attr_flags); i++)
2428                 if (file_attr_flags[i].flag & dentry->attributes)
2429                         tprintf(T("    FILE_ATTRIBUTE_%"TS" is set\n"),
2430                                 file_attr_flags[i].name);
2431
2432         if (dentry->security_descriptor) {
2433                 print_security_descriptor(dentry->security_descriptor,
2434                                           dentry->security_descriptor_size);
2435         }
2436
2437         print_time(T("Creation Time"), &dentry->creation_time);
2438         print_time(T("Last Write Time"), &dentry->last_write_time);
2439         print_time(T("Last Access Time"), &dentry->last_access_time);
2440
2441
2442         if (dentry->attributes & WIMLIB_FILE_ATTRIBUTE_REPARSE_POINT)
2443                 tprintf(T("Reparse Tag         = 0x%"PRIx32"\n"), dentry->reparse_tag);
2444
2445         tprintf(T("Link Group ID       = 0x%016"PRIx64"\n"), dentry->hard_link_group_id);
2446         tprintf(T("Link Count          = %"PRIu32"\n"), dentry->num_links);
2447
2448         for (uint32_t i = 0; i <= dentry->num_named_streams; i++) {
2449                 if (dentry->streams[i].stream_name) {
2450                         tprintf(T("\tData stream \"%"TS"\":\n"),
2451                                 dentry->streams[i].stream_name);
2452                 } else {
2453                         tprintf(T("\tUnnamed data stream:\n"));
2454                 }
2455                 print_resource(&dentry->streams[i].resource, NULL);
2456         }
2457 }
2458
2459 static int
2460 print_dentry(const struct wimlib_dir_entry *dentry, void *_options)
2461 {
2462         const struct print_dentry_options *options = _options;
2463         if (!options->detailed)
2464                 print_dentry_full_path(dentry);
2465         else
2466                 print_dentry_detailed(dentry);
2467         return 0;
2468 }
2469
2470 /* Print the files contained in an image(s) in a WIM file. */
2471 static int
2472 imagex_dir(int argc, tchar **argv, int cmd)
2473 {
2474         const tchar *wimfile;
2475         WIMStruct *wim = NULL;
2476         int image;
2477         int ret;
2478         const tchar *path = WIMLIB_WIM_ROOT_PATH;
2479         int c;
2480         struct print_dentry_options options = {
2481                 .detailed = false,
2482         };
2483         int iterate_flags = WIMLIB_ITERATE_DIR_TREE_FLAG_RECURSIVE;
2484
2485         for_opt(c, dir_options) {
2486                 switch (c) {
2487                 case IMAGEX_PATH_OPTION:
2488                         path = optarg;
2489                         break;
2490                 case IMAGEX_DETAILED_OPTION:
2491                         options.detailed = true;
2492                         break;
2493                 case IMAGEX_ONE_FILE_ONLY_OPTION:
2494                         iterate_flags &= ~WIMLIB_ITERATE_DIR_TREE_FLAG_RECURSIVE;
2495                         break;
2496                 default:
2497                         goto out_usage;
2498                 }
2499         }
2500         argc -= optind;
2501         argv += optind;
2502
2503         if (argc < 1) {
2504                 imagex_error(T("Must specify a WIM file"));
2505                 goto out_usage;
2506         }
2507         if (argc > 2) {
2508                 imagex_error(T("Too many arguments"));
2509                 goto out_usage;
2510         }
2511
2512         wimfile = argv[0];
2513         ret = wimlib_open_wim(wimfile, 0, &wim, imagex_progress_func);
2514         if (ret)
2515                 goto out;
2516
2517         if (argc >= 2) {
2518                 image = wimlib_resolve_image(wim, argv[1]);
2519                 ret = verify_image_exists(image, argv[1], wimfile);
2520                 if (ret)
2521                         goto out_wimlib_free;
2522         } else {
2523                 /* No image specified; default to image 1, but only if the WIM
2524                  * contains exactly one image.  */
2525
2526                 struct wimlib_wim_info info;
2527
2528                 wimlib_get_wim_info(wim, &info);
2529                 if (info.image_count != 1) {
2530                         imagex_error(T("\"%"TS"\" contains %d images; Please "
2531                                        "select one (or all)."),
2532                                      wimfile, info.image_count);
2533                         wimlib_free(wim);
2534                         goto out_usage;
2535                 }
2536                 image = 1;
2537         }
2538
2539         ret = wimlib_iterate_dir_tree(wim, image, path, iterate_flags,
2540                                       print_dentry, &options);
2541 out_wimlib_free:
2542         wimlib_free(wim);
2543 out:
2544         return ret;
2545
2546 out_usage:
2547         usage(CMD_DIR, stderr);
2548         ret = -1;
2549         goto out;
2550 }
2551
2552 /* Exports one, or all, images from a WIM file to a new WIM file or an existing
2553  * WIM file. */
2554 static int
2555 imagex_export(int argc, tchar **argv, int cmd)
2556 {
2557         int c;
2558         int open_flags = 0;
2559         int export_flags = WIMLIB_EXPORT_FLAG_GIFT;
2560         int write_flags = 0;
2561         int compression_type = WIMLIB_COMPRESSION_TYPE_INVALID;
2562         const tchar *src_wimfile;
2563         const tchar *src_image_num_or_name;
2564         const tchar *dest_wimfile;
2565         int dest_wim_fd;
2566         const tchar *dest_name;
2567         const tchar *dest_desc;
2568         WIMStruct *src_wim;
2569         struct wimlib_wim_info src_info;
2570         WIMStruct *dest_wim;
2571         int ret;
2572         int image;
2573         struct stat stbuf;
2574         bool wim_is_new;
2575         STRING_SET(refglobs);
2576         unsigned num_threads = 0;
2577         uint32_t chunk_size = UINT32_MAX;
2578         uint32_t pack_chunk_size = UINT32_MAX;
2579         int pack_ctype = WIMLIB_COMPRESSION_TYPE_INVALID;
2580
2581         for_opt(c, export_options) {
2582                 switch (c) {
2583                 case IMAGEX_BOOT_OPTION:
2584                         export_flags |= WIMLIB_EXPORT_FLAG_BOOT;
2585                         break;
2586                 case IMAGEX_CHECK_OPTION:
2587                         open_flags |= WIMLIB_OPEN_FLAG_CHECK_INTEGRITY;
2588                         write_flags |= WIMLIB_WRITE_FLAG_CHECK_INTEGRITY;
2589                         break;
2590                 case IMAGEX_NOCHECK_OPTION:
2591                         write_flags |= WIMLIB_WRITE_FLAG_NO_CHECK_INTEGRITY;
2592                         break;
2593                 case IMAGEX_COMPRESS_OPTION:
2594                         compression_type = get_compression_type(optarg);
2595                         if (compression_type == WIMLIB_COMPRESSION_TYPE_INVALID)
2596                                 goto out_err;
2597                         break;
2598                 case IMAGEX_COMPRESS_SLOW_OPTION:
2599                         write_flags |= WIMLIB_WRITE_FLAG_RECOMPRESS;
2600                         set_compress_slow();
2601                         break;
2602                 case IMAGEX_PACK_STREAMS_OPTION:
2603                         write_flags |= WIMLIB_WRITE_FLAG_PACK_STREAMS;
2604                         break;
2605                 case IMAGEX_CHUNK_SIZE_OPTION:
2606                         chunk_size = parse_chunk_size(optarg);
2607                         if (chunk_size == UINT32_MAX)
2608                                 goto out_err;
2609                         break;
2610                 case IMAGEX_PACK_CHUNK_SIZE_OPTION:
2611                         pack_chunk_size = parse_chunk_size(optarg);
2612                         if (pack_chunk_size == UINT32_MAX)
2613                                 goto out_err;
2614                         break;
2615                 case IMAGEX_PACK_COMPRESS_OPTION:
2616                         pack_ctype = get_compression_type(optarg);
2617                         if (pack_ctype == WIMLIB_COMPRESSION_TYPE_INVALID)
2618                                 goto out_err;
2619                         break;
2620                 case IMAGEX_REF_OPTION:
2621                         ret = string_set_append(&refglobs, optarg);
2622                         if (ret)
2623                                 goto out_free_refglobs;
2624                         break;
2625                 case IMAGEX_THREADS_OPTION:
2626                         num_threads = parse_num_threads(optarg);
2627                         if (num_threads == UINT_MAX)
2628                                 goto out_err;
2629                         break;
2630                 case IMAGEX_REBUILD_OPTION:
2631                         write_flags |= WIMLIB_WRITE_FLAG_REBUILD;
2632                         break;
2633                 case IMAGEX_PIPABLE_OPTION:
2634                         write_flags |= WIMLIB_WRITE_FLAG_PIPABLE;
2635                         break;
2636                 case IMAGEX_NOT_PIPABLE_OPTION:
2637                         write_flags |= WIMLIB_WRITE_FLAG_NOT_PIPABLE;
2638                         break;
2639                 default:
2640                         goto out_usage;
2641                 }
2642         }
2643         argc -= optind;
2644         argv += optind;
2645         if (argc < 3 || argc > 5)
2646                 goto out_usage;
2647         src_wimfile           = argv[0];
2648         src_image_num_or_name = argv[1];
2649         dest_wimfile          = argv[2];
2650         dest_name             = (argc >= 4) ? argv[3] : NULL;
2651         dest_desc             = (argc >= 5) ? argv[4] : NULL;
2652         ret = wimlib_open_wim(src_wimfile, open_flags, &src_wim,
2653                               imagex_progress_func);
2654         if (ret)
2655                 goto out_free_refglobs;
2656
2657         wimlib_get_wim_info(src_wim, &src_info);
2658
2659         /* Determine if the destination is an existing file or not.  If so, we
2660          * try to append the exported image(s) to it; otherwise, we create a new
2661          * WIM containing the exported image(s).  Furthermore, determine if we
2662          * need to write a pipable WIM directly to standard output.  */
2663
2664         if (tstrcmp(dest_wimfile, T("-")) == 0) {
2665         #if 0
2666                 if (!(write_flags & WIMLIB_WRITE_FLAG_PIPABLE)) {
2667                         imagex_error("Can't write a non-pipable WIM to "
2668                                      "standard output!  Specify --pipable\n"
2669                                      "       if you want to create a pipable WIM "
2670                                      "(but read the docs first).");
2671                         ret = -1;
2672                         goto out_free_src_wim;
2673                 }
2674         #else
2675                 write_flags |= WIMLIB_WRITE_FLAG_PIPABLE;
2676         #endif
2677                 dest_wimfile = NULL;
2678                 dest_wim_fd = STDOUT_FILENO;
2679                 imagex_info_file = stderr;
2680                 set_fd_to_binary_mode(dest_wim_fd);
2681         }
2682         errno = ENOENT;
2683         if (dest_wimfile != NULL && tstat(dest_wimfile, &stbuf) == 0) {
2684                 wim_is_new = false;
2685                 /* Destination file exists. */
2686
2687                 if (!S_ISREG(stbuf.st_mode)) {
2688                         imagex_error(T("\"%"TS"\" is not a regular file"),
2689                                      dest_wimfile);
2690                         ret = -1;
2691                         goto out_free_src_wim;
2692                 }
2693                 ret = wimlib_open_wim(dest_wimfile,
2694                                       open_flags | WIMLIB_OPEN_FLAG_WRITE_ACCESS,
2695                                       &dest_wim, imagex_progress_func);
2696                 if (ret)
2697                         goto out_free_src_wim;
2698
2699                 if (compression_type != WIMLIB_COMPRESSION_TYPE_INVALID) {
2700                         /* The user specified a compression type, but we're
2701                          * exporting to an existing WIM.  Make sure the
2702                          * specified compression type is the same as the
2703                          * compression type of the existing destination WIM. */
2704                         struct wimlib_wim_info dest_info;
2705
2706                         wimlib_get_wim_info(dest_wim, &dest_info);
2707                         if (compression_type != dest_info.compression_type) {
2708                                 imagex_error(T("Cannot specify a compression type that is "
2709                                                "not the same as that used in the "
2710                                                "destination WIM"));
2711                                 ret = -1;
2712                                 goto out_free_dest_wim;
2713                         }
2714                 }
2715         } else {
2716                 wim_is_new = true;
2717
2718                 if (errno != ENOENT) {
2719                         imagex_error_with_errno(T("Cannot stat file \"%"TS"\""),
2720                                                 dest_wimfile);
2721                         ret = -1;
2722                         goto out_free_src_wim;
2723                 }
2724
2725                 /* dest_wimfile is not an existing file, so create a new WIM. */
2726
2727                 if (compression_type == WIMLIB_COMPRESSION_TYPE_INVALID) {
2728                         /* The user did not specify a compression type; default
2729                          * to that of the source WIM, unless --pack-streams or
2730                          * --solid was specified.   */
2731
2732                         if (write_flags & WIMLIB_WRITE_FLAG_PACK_STREAMS)
2733                                 compression_type = WIMLIB_COMPRESSION_TYPE_LZMS;
2734                         else
2735                                 compression_type = src_info.compression_type;
2736                 }
2737                 ret = wimlib_create_new_wim(compression_type, &dest_wim);
2738                 if (ret)
2739                         goto out_free_src_wim;
2740
2741                 /* Use same chunk size if compression type is the same.  */
2742                 if (compression_type == src_info.compression_type &&
2743                     chunk_size == UINT32_MAX)
2744                         wimlib_set_output_chunk_size(dest_wim, src_info.chunk_size);
2745         }
2746
2747         if (chunk_size != UINT32_MAX) {
2748                 /* Set destination chunk size.  */
2749                 ret = wimlib_set_output_chunk_size(dest_wim, chunk_size);
2750                 if (ret)
2751                         goto out_free_dest_wim;
2752         }
2753         if (pack_ctype != WIMLIB_COMPRESSION_TYPE_INVALID) {
2754                 ret = wimlib_set_output_pack_compression_type(dest_wim, pack_ctype);
2755                 if (ret)
2756                         goto out_free_dest_wim;
2757         }
2758         if (pack_chunk_size != UINT32_MAX) {
2759                 ret = wimlib_set_output_pack_chunk_size(dest_wim, pack_chunk_size);
2760                 if (ret)
2761                         goto out_free_dest_wim;
2762         }
2763
2764         image = wimlib_resolve_image(src_wim, src_image_num_or_name);
2765         ret = verify_image_exists(image, src_image_num_or_name, src_wimfile);
2766         if (ret)
2767                 goto out_free_dest_wim;
2768
2769         if (refglobs.num_strings) {
2770                 ret = wim_reference_globs(src_wim, &refglobs, open_flags);
2771                 if (ret)
2772                         goto out_free_dest_wim;
2773         }
2774
2775         if ((export_flags & WIMLIB_EXPORT_FLAG_BOOT) &&
2776             image == WIMLIB_ALL_IMAGES && src_info.boot_index == 0)
2777         {
2778                 imagex_error(T("--boot specified for all-images export, but source WIM "
2779                                "has no bootable image."));
2780                 ret = -1;
2781                 goto out_free_dest_wim;
2782         }
2783
2784         ret = wimlib_export_image(src_wim, image, dest_wim, dest_name,
2785                                   dest_desc, export_flags, imagex_progress_func);
2786         if (ret) {
2787                 if (ret == WIMLIB_ERR_RESOURCE_NOT_FOUND) {
2788                         do_resource_not_found_warning(src_wimfile,
2789                                                       &src_info, &refglobs);
2790                 }
2791                 goto out_free_dest_wim;
2792         }
2793
2794         if (!wim_is_new)
2795                 ret = wimlib_overwrite(dest_wim, write_flags, num_threads,
2796                                        imagex_progress_func);
2797         else if (dest_wimfile)
2798                 ret = wimlib_write(dest_wim, dest_wimfile, WIMLIB_ALL_IMAGES,
2799                                    write_flags, num_threads,
2800                                    imagex_progress_func);
2801         else
2802                 ret = wimlib_write_to_fd(dest_wim, dest_wim_fd,
2803                                          WIMLIB_ALL_IMAGES, write_flags,
2804                                          num_threads, imagex_progress_func);
2805 out_free_dest_wim:
2806         wimlib_free(dest_wim);
2807 out_free_src_wim:
2808         wimlib_free(src_wim);
2809 out_free_refglobs:
2810         string_set_destroy(&refglobs);
2811         return ret;
2812
2813 out_usage:
2814         usage(CMD_EXPORT, stderr);
2815 out_err:
2816         ret = -1;
2817         goto out_free_refglobs;
2818 }
2819
2820 /* Extract files or directories from a WIM image */
2821 static int
2822 imagex_extract(int argc, tchar **argv, int cmd)
2823 {
2824         int c;
2825         int open_flags = 0;
2826         int image;
2827         WIMStruct *wim;
2828         int ret;
2829         const tchar *wimfile;
2830         const tchar *image_num_or_name;
2831         tchar *dest_dir = T(".");
2832         int extract_flags = WIMLIB_EXTRACT_FLAG_NORPFIX |
2833                             WIMLIB_EXTRACT_FLAG_GLOB_PATHS |
2834                             WIMLIB_EXTRACT_FLAG_STRICT_GLOB;
2835         int notlist_extract_flags = WIMLIB_EXTRACT_FLAG_NO_PRESERVE_DIR_STRUCTURE;
2836
2837         STRING_SET(refglobs);
2838
2839         tchar *root_path = WIMLIB_WIM_ROOT_PATH;
2840
2841         for_opt(c, extract_options) {
2842                 switch (c) {
2843                 case IMAGEX_CHECK_OPTION:
2844                         open_flags |= WIMLIB_OPEN_FLAG_CHECK_INTEGRITY;
2845                         break;
2846                 case IMAGEX_VERBOSE_OPTION:
2847                         /* No longer does anything.  */
2848                         break;
2849                 case IMAGEX_REF_OPTION:
2850                         ret = string_set_append(&refglobs, optarg);
2851                         if (ret)
2852                                 goto out_free_refglobs;
2853                         break;
2854                 case IMAGEX_UNIX_DATA_OPTION:
2855                         extract_flags |= WIMLIB_EXTRACT_FLAG_UNIX_DATA;
2856                         break;
2857                 case IMAGEX_NO_ACLS_OPTION:
2858                         extract_flags |= WIMLIB_EXTRACT_FLAG_NO_ACLS;
2859                         break;
2860                 case IMAGEX_STRICT_ACLS_OPTION:
2861                         extract_flags |= WIMLIB_EXTRACT_FLAG_STRICT_ACLS;
2862                         break;
2863                 case IMAGEX_NO_ATTRIBUTES_OPTION:
2864                         extract_flags |= WIMLIB_EXTRACT_FLAG_NO_ATTRIBUTES;
2865                         break;
2866                 case IMAGEX_DEST_DIR_OPTION:
2867                         dest_dir = optarg;
2868                         break;
2869                 case IMAGEX_TO_STDOUT_OPTION:
2870                         extract_flags |= WIMLIB_EXTRACT_FLAG_TO_STDOUT;
2871                         imagex_info_file = stderr;
2872                         imagex_be_quiet = true;
2873                         set_fd_to_binary_mode(STDOUT_FILENO);
2874                         break;
2875                 case IMAGEX_INCLUDE_INVALID_NAMES_OPTION:
2876                         extract_flags |= WIMLIB_EXTRACT_FLAG_REPLACE_INVALID_FILENAMES;
2877                         extract_flags |= WIMLIB_EXTRACT_FLAG_ALL_CASE_CONFLICTS;
2878                         break;
2879                 case IMAGEX_NO_WILDCARDS_OPTION:
2880                         extract_flags &= ~WIMLIB_EXTRACT_FLAG_GLOB_PATHS;
2881                         break;
2882                 case IMAGEX_NULLGLOB_OPTION:
2883                         extract_flags &= ~WIMLIB_EXTRACT_FLAG_STRICT_GLOB;
2884                         break;
2885                 case IMAGEX_PRESERVE_DIR_STRUCTURE_OPTION:
2886                         notlist_extract_flags &= ~WIMLIB_EXTRACT_FLAG_NO_PRESERVE_DIR_STRUCTURE;
2887                         break;
2888                 case IMAGEX_WIMBOOT_OPTION:
2889                         extract_flags |= WIMLIB_EXTRACT_FLAG_WIMBOOT;
2890                         break;
2891                 default:
2892                         goto out_usage;
2893                 }
2894         }
2895         argc -= optind;
2896         argv += optind;
2897
2898         if (argc < 2)
2899                 goto out_usage;
2900
2901         if (!(extract_flags & (WIMLIB_EXTRACT_FLAG_GLOB_PATHS |
2902                                WIMLIB_EXTRACT_FLAG_STRICT_GLOB)))
2903         {
2904                 imagex_error(T("Can't combine --no-wildcards and --nullglob!"));
2905                 goto out_err;
2906         }
2907
2908         wimfile = argv[0];
2909         image_num_or_name = argv[1];
2910
2911         argc -= 2;
2912         argv += 2;
2913
2914         ret = wimlib_open_wim(wimfile, open_flags, &wim, imagex_progress_func);
2915         if (ret)
2916                 goto out_free_refglobs;
2917
2918         image = wimlib_resolve_image(wim, image_num_or_name);
2919         ret = verify_image_exists_and_is_single(image,
2920                                                 image_num_or_name,
2921                                                 wimfile);
2922         if (ret)
2923                 goto out_wimlib_free;
2924
2925         if (refglobs.num_strings) {
2926                 ret = wim_reference_globs(wim, &refglobs, open_flags);
2927                 if (ret)
2928                         goto out_wimlib_free;
2929         }
2930
2931         if (argc == 0) {
2932                 argv = &root_path;
2933                 argc = 1;
2934                 extract_flags &= ~WIMLIB_EXTRACT_FLAG_GLOB_PATHS;
2935         }
2936
2937         while (argc != 0 && ret == 0) {
2938                 int num_paths;
2939
2940                 for (num_paths = 0;
2941                      num_paths < argc && argv[num_paths][0] != T('@');
2942                      num_paths++)
2943                         ;
2944
2945                 if (num_paths) {
2946                         ret = wimlib_extract_paths(wim, image, dest_dir,
2947                                                    (const tchar **)argv,
2948                                                    num_paths,
2949                                                    extract_flags | notlist_extract_flags,
2950                                                    imagex_progress_func);
2951                         argc -= num_paths;
2952                         argv += num_paths;
2953                 } else {
2954                         ret = wimlib_extract_pathlist(wim, image, dest_dir,
2955                                                       argv[0] + 1,
2956                                                       extract_flags,
2957                                                       imagex_progress_func);
2958                         argc--;
2959                         argv++;
2960                 }
2961         }
2962
2963         if (ret == 0) {
2964                 if (!imagex_be_quiet)
2965                         imagex_printf(T("Done extracting files.\n"));
2966         } else if (ret == WIMLIB_ERR_PATH_DOES_NOT_EXIST) {
2967                 tfprintf(stderr, T("Note: You can use `%"TS"' to see what "
2968                                    "files and directories\n"
2969                                    "      are in the WIM image.\n"),
2970                                 get_cmd_string(CMD_DIR, false));
2971         } else if (ret == WIMLIB_ERR_RESOURCE_NOT_FOUND) {
2972                 struct wimlib_wim_info info;
2973
2974                 wimlib_get_wim_info(wim, &info);
2975                 do_resource_not_found_warning(wimfile, &info, &refglobs);
2976         }
2977 out_wimlib_free:
2978         wimlib_free(wim);
2979 out_free_refglobs:
2980         string_set_destroy(&refglobs);
2981         return ret;
2982
2983 out_usage:
2984         usage(CMD_EXTRACT, stderr);
2985 out_err:
2986         ret = -1;
2987         goto out_free_refglobs;
2988 }
2989
2990 /* Prints information about a WIM file; also can mark an image as bootable,
2991  * change the name of an image, or change the description of an image. */
2992 static int
2993 imagex_info(int argc, tchar **argv, int cmd)
2994 {
2995         int c;
2996         bool boot         = false;
2997         bool check        = false;
2998         bool nocheck      = false;
2999         bool header       = false;
3000         bool lookup_table = false;
3001         bool xml          = false;
3002         bool short_header = true;
3003         const tchar *xml_out_file = NULL;
3004         const tchar *wimfile;
3005         const tchar *image_num_or_name;
3006         const tchar *new_name;
3007         const tchar *new_desc;
3008         WIMStruct *wim;
3009         int image;
3010         int ret;
3011         int open_flags = 0;
3012         struct wimlib_wim_info info;
3013
3014         for_opt(c, info_options) {
3015                 switch (c) {
3016                 case IMAGEX_BOOT_OPTION:
3017                         boot = true;
3018                         break;
3019                 case IMAGEX_CHECK_OPTION:
3020                         check = true;
3021                         break;
3022                 case IMAGEX_NOCHECK_OPTION:
3023                         nocheck = true;
3024                         break;
3025                 case IMAGEX_HEADER_OPTION:
3026                         header = true;
3027                         short_header = false;
3028                         break;
3029                 case IMAGEX_LOOKUP_TABLE_OPTION:
3030                         lookup_table = true;
3031                         short_header = false;
3032                         break;
3033                 case IMAGEX_XML_OPTION:
3034                         xml = true;
3035                         short_header = false;
3036                         break;
3037                 case IMAGEX_EXTRACT_XML_OPTION:
3038                         xml_out_file = optarg;
3039                         short_header = false;
3040                         break;
3041                 case IMAGEX_METADATA_OPTION:
3042                         imagex_error(T("The --metadata option has been removed. "
3043                                        "Use 'wimdir --detail' instead."));
3044                         goto out_err;
3045                 default:
3046                         goto out_usage;
3047                 }
3048         }
3049
3050         argc -= optind;
3051         argv += optind;
3052         if (argc < 1 || argc > 4)
3053                 goto out_usage;
3054
3055         wimfile           = argv[0];
3056         image_num_or_name = (argc >= 2) ? argv[1] : T("all");
3057         new_name          = (argc >= 3) ? argv[2] : NULL;
3058         new_desc          = (argc >= 4) ? argv[3] : NULL;
3059
3060         if (check && nocheck) {
3061                 imagex_error(T("Can't specify both --check and --nocheck"));
3062                 goto out_err;
3063         }
3064
3065         if (check)
3066                 open_flags |= WIMLIB_OPEN_FLAG_CHECK_INTEGRITY;
3067
3068         ret = wimlib_open_wim(wimfile, open_flags, &wim, imagex_progress_func);
3069         if (ret)
3070                 goto out;
3071
3072         wimlib_get_wim_info(wim, &info);
3073
3074         image = wimlib_resolve_image(wim, image_num_or_name);
3075         ret = WIMLIB_ERR_INVALID_IMAGE;
3076         if (image == WIMLIB_NO_IMAGE && tstrcmp(image_num_or_name, T("0"))) {
3077                 verify_image_exists(image, image_num_or_name, wimfile);
3078                 if (boot) {
3079                         imagex_error(T("If you would like to set the boot "
3080                                        "index to 0, specify image \"0\" with "
3081                                        "the --boot flag."));
3082                 }
3083                 goto out_wimlib_free;
3084         }
3085
3086         if (boot && info.image_count == 0) {
3087                 imagex_error(T("--boot is meaningless on a WIM with no images"));
3088                 goto out_wimlib_free;
3089         }
3090
3091         if (image == WIMLIB_ALL_IMAGES && info.image_count > 1) {
3092                 if (boot) {
3093                         imagex_error(T("Cannot specify the --boot flag "
3094                                        "without specifying a specific "
3095                                        "image in a multi-image WIM"));
3096                         goto out_wimlib_free;
3097                 }
3098                 if (new_name) {
3099                         imagex_error(T("Cannot specify the NEW_NAME "
3100                                        "without specifying a specific "
3101                                        "image in a multi-image WIM"));
3102                         goto out_wimlib_free;
3103                 }
3104         }
3105
3106         /* Operations that print information are separated from operations that
3107          * recreate the WIM file. */
3108         if (!new_name && !boot) {
3109
3110                 /* Read-only operations */
3111
3112                 if (image == WIMLIB_NO_IMAGE) {
3113                         imagex_error(T("\"%"TS"\" is not a valid image in \"%"TS"\""),
3114                                      image_num_or_name, wimfile);
3115                         goto out_wimlib_free;
3116                 }
3117
3118                 if (image == WIMLIB_ALL_IMAGES && short_header)
3119                         print_wim_information(wimfile, &info);
3120
3121                 if (header)
3122                         wimlib_print_header(wim);
3123
3124                 if (lookup_table) {
3125                         if (info.total_parts != 1) {
3126                                 tfprintf(stderr, T("Warning: Only showing the lookup table "
3127                                                    "for part %d of a %d-part WIM.\n"),
3128                                          info.part_number, info.total_parts);
3129                         }
3130                         print_lookup_table(wim);
3131                 }
3132
3133                 if (xml) {
3134                         ret = wimlib_extract_xml_data(wim, stdout);
3135                         if (ret)
3136                                 goto out_wimlib_free;
3137                 }
3138
3139                 if (xml_out_file) {
3140                         FILE *fp;
3141
3142                         fp = tfopen(xml_out_file, T("wb"));
3143                         if (!fp) {
3144                                 imagex_error_with_errno(T("Failed to open the "
3145                                                           "file \"%"TS"\" for "
3146                                                           "writing"),
3147                                                         xml_out_file);
3148                                 ret = -1;
3149                                 goto out_wimlib_free;
3150                         }
3151                         ret = wimlib_extract_xml_data(wim, fp);
3152                         if (fclose(fp)) {
3153                                 imagex_error(T("Failed to close the file "
3154                                                "\"%"TS"\""),
3155                                              xml_out_file);
3156                                 ret = -1;
3157                         }
3158                         if (ret)
3159                                 goto out_wimlib_free;
3160                 }
3161
3162                 if (short_header)
3163                         wimlib_print_available_images(wim, image);
3164
3165                 ret = 0;
3166         } else {
3167
3168                 /* Modification operations */
3169
3170                 if (image == WIMLIB_ALL_IMAGES)
3171                         image = 1;
3172
3173                 if (image == WIMLIB_NO_IMAGE && new_name) {
3174                         imagex_error(T("Cannot specify new_name (\"%"TS"\") "
3175                                        "when using image 0"), new_name);
3176                         ret = -1;
3177                         goto out_wimlib_free;
3178                 }
3179
3180                 if (boot) {
3181                         if (image == info.boot_index) {
3182                                 imagex_printf(T("Image %d is already marked as "
3183                                           "bootable.\n"), image);
3184                                 boot = false;
3185                         } else {
3186                                 imagex_printf(T("Marking image %d as bootable.\n"),
3187                                         image);
3188                                 info.boot_index = image;
3189                                 ret = wimlib_set_wim_info(wim, &info,
3190                                                           WIMLIB_CHANGE_BOOT_INDEX);
3191                                 if (ret)
3192                                         goto out_wimlib_free;
3193                         }
3194                 }
3195                 if (new_name) {
3196                         if (!tstrcmp(wimlib_get_image_name(wim, image), new_name))
3197                         {
3198                                 imagex_printf(T("Image %d is already named \"%"TS"\".\n"),
3199                                         image, new_name);
3200                                 new_name = NULL;
3201                         } else {
3202                                 imagex_printf(T("Changing the name of image %d to "
3203                                           "\"%"TS"\".\n"), image, new_name);
3204                                 ret = wimlib_set_image_name(wim, image, new_name);
3205                                 if (ret)
3206                                         goto out_wimlib_free;
3207                         }
3208                 }
3209                 if (new_desc) {
3210                         const tchar *old_desc;
3211                         old_desc = wimlib_get_image_description(wim, image);
3212                         if (old_desc && !tstrcmp(old_desc, new_desc)) {
3213                                 imagex_printf(T("The description of image %d is already "
3214                                           "\"%"TS"\".\n"), image, new_desc);
3215                                 new_desc = NULL;
3216                         } else {
3217                                 imagex_printf(T("Changing the description of image %d "
3218                                           "to \"%"TS"\".\n"), image, new_desc);
3219                                 ret = wimlib_set_image_descripton(wim, image,
3220                                                                   new_desc);
3221                                 if (ret)
3222                                         goto out_wimlib_free;
3223                         }
3224                 }
3225
3226                 /* Only call wimlib_overwrite() if something actually needs to
3227                  * be changed.  */
3228                 if (boot || new_name || new_desc ||
3229                     (check && !info.has_integrity_table) ||
3230                     (nocheck && info.has_integrity_table))
3231                 {
3232                         int write_flags = 0;
3233
3234                         if (check)
3235                                 write_flags |= WIMLIB_WRITE_FLAG_CHECK_INTEGRITY;
3236                         if (nocheck)
3237                                 write_flags |= WIMLIB_WRITE_FLAG_NO_CHECK_INTEGRITY;
3238                         ret = wimlib_overwrite(wim, write_flags, 1,
3239                                                imagex_progress_func);
3240                 } else {
3241                         imagex_printf(T("The file \"%"TS"\" was not modified "
3242                                         "because nothing needed to be done.\n"),
3243                                       wimfile);
3244                         ret = 0;
3245                 }
3246         }
3247 out_wimlib_free:
3248         wimlib_free(wim);
3249 out:
3250         return ret;
3251
3252 out_usage:
3253         usage(CMD_INFO, stderr);
3254 out_err:
3255         ret = -1;
3256         goto out;
3257 }
3258
3259 /* Join split WIMs into one part WIM */
3260 static int
3261 imagex_join(int argc, tchar **argv, int cmd)
3262 {
3263         int c;
3264         int swm_open_flags = 0;
3265         int wim_write_flags = 0;
3266         const tchar *output_path;
3267         int ret;
3268
3269         for_opt(c, join_options) {
3270                 switch (c) {
3271                 case IMAGEX_CHECK_OPTION:
3272                         swm_open_flags |= WIMLIB_OPEN_FLAG_CHECK_INTEGRITY;
3273                         wim_write_flags |= WIMLIB_WRITE_FLAG_CHECK_INTEGRITY;
3274                         break;
3275                 default:
3276                         goto out_usage;
3277                 }
3278         }
3279         argc -= optind;
3280         argv += optind;
3281
3282         if (argc < 2) {
3283                 imagex_error(T("Must specify one or more split WIM (.swm) "
3284                                "parts to join"));
3285                 goto out_usage;
3286         }
3287         output_path = argv[0];
3288         ret = wimlib_join((const tchar * const *)++argv,
3289                           --argc,
3290                           output_path,
3291                           swm_open_flags,
3292                           wim_write_flags,
3293                           imagex_progress_func);
3294 out:
3295         return ret;
3296
3297 out_usage:
3298         usage(CMD_JOIN, stderr);
3299         ret = -1;
3300         goto out;
3301 }
3302
3303 #if WIM_MOUNTING_SUPPORTED
3304
3305 /* Mounts a WIM image.  */
3306 static int
3307 imagex_mount_rw_or_ro(int argc, tchar **argv, int cmd)
3308 {
3309         int c;
3310         int mount_flags = 0;
3311         int open_flags = 0;
3312         const tchar *staging_dir = NULL;
3313         const tchar *wimfile;
3314         const tchar *dir;
3315         WIMStruct *wim;
3316         struct wimlib_wim_info info;
3317         int image;
3318         int ret;
3319
3320         STRING_SET(refglobs);
3321
3322         if (cmd == CMD_MOUNTRW) {
3323                 mount_flags |= WIMLIB_MOUNT_FLAG_READWRITE;
3324                 open_flags |= WIMLIB_OPEN_FLAG_WRITE_ACCESS;
3325         }
3326
3327         for_opt(c, mount_options) {
3328                 switch (c) {
3329                 case IMAGEX_ALLOW_OTHER_OPTION:
3330                         mount_flags |= WIMLIB_MOUNT_FLAG_ALLOW_OTHER;
3331                         break;
3332                 case IMAGEX_CHECK_OPTION:
3333                         open_flags |= WIMLIB_OPEN_FLAG_CHECK_INTEGRITY;
3334                         break;
3335                 case IMAGEX_DEBUG_OPTION:
3336                         mount_flags |= WIMLIB_MOUNT_FLAG_DEBUG;
3337                         break;
3338                 case IMAGEX_STREAMS_INTERFACE_OPTION:
3339                         if (!tstrcasecmp(optarg, T("none")))
3340                                 mount_flags |= WIMLIB_MOUNT_FLAG_STREAM_INTERFACE_NONE;
3341                         else if (!tstrcasecmp(optarg, T("xattr")))
3342                                 mount_flags |= WIMLIB_MOUNT_FLAG_STREAM_INTERFACE_XATTR;
3343                         else if (!tstrcasecmp(optarg, T("windows")))
3344                                 mount_flags |= WIMLIB_MOUNT_FLAG_STREAM_INTERFACE_WINDOWS;
3345                         else {
3346                                 imagex_error(T("Unknown stream interface \"%"TS"\""),
3347                                              optarg);
3348                                 goto out_usage;
3349                         }
3350                         break;
3351                 case IMAGEX_REF_OPTION:
3352                         ret = string_set_append(&refglobs, optarg);
3353                         if (ret)
3354                                 goto out_free_refglobs;
3355                         break;
3356                 case IMAGEX_STAGING_DIR_OPTION:
3357                         staging_dir = optarg;
3358                         break;
3359                 case IMAGEX_UNIX_DATA_OPTION:
3360                         mount_flags |= WIMLIB_MOUNT_FLAG_UNIX_DATA;
3361                         break;
3362                 default:
3363                         goto out_usage;
3364                 }
3365         }
3366         argc -= optind;
3367         argv += optind;
3368         if (argc != 2 && argc != 3)
3369                 goto out_usage;
3370
3371         wimfile = argv[0];
3372
3373         ret = wimlib_open_wim(wimfile, open_flags, &wim, imagex_progress_func);
3374         if (ret)
3375                 goto out_free_refglobs;
3376
3377         wimlib_get_wim_info(wim, &info);
3378
3379         if (argc >= 3) {
3380                 /* Image explicitly specified.  */
3381                 image = wimlib_resolve_image(wim, argv[1]);
3382                 dir = argv[2];
3383                 ret = verify_image_exists_and_is_single(image, argv[1], wimfile);
3384                 if (ret)
3385                         goto out_free_wim;
3386         } else {
3387                 /* No image specified; default to image 1, but only if the WIM
3388                  * contains exactly one image.  */
3389
3390                 if (info.image_count != 1) {
3391                         imagex_error(T("\"%"TS"\" contains %d images; Please "
3392                                        "select one."), wimfile, info.image_count);
3393                         wimlib_free(wim);
3394                         goto out_usage;
3395                 }
3396                 image = 1;
3397                 dir = argv[1];
3398         }
3399
3400         if (refglobs.num_strings) {
3401                 ret = wim_reference_globs(wim, &refglobs, open_flags);
3402                 if (ret)
3403                         goto out_free_wim;
3404         }
3405
3406         ret = wimlib_mount_image(wim, image, dir, mount_flags, staging_dir);
3407         if (ret) {
3408                 imagex_error(T("Failed to mount image %d from \"%"TS"\" "
3409                                "on \"%"TS"\""),
3410                              image, wimfile, dir);
3411         }
3412 out_free_wim:
3413         wimlib_free(wim);
3414 out_free_refglobs:
3415         string_set_destroy(&refglobs);
3416         return ret;
3417
3418 out_usage:
3419         usage(cmd, stderr);
3420         ret = -1;
3421         goto out_free_refglobs;
3422 }
3423 #endif /* WIM_MOUNTING_SUPPORTED */
3424
3425 /* Rebuild a WIM file */
3426 static int
3427 imagex_optimize(int argc, tchar **argv, int cmd)
3428 {
3429         int c;
3430         int open_flags = WIMLIB_OPEN_FLAG_WRITE_ACCESS;
3431         int write_flags = WIMLIB_WRITE_FLAG_REBUILD;
3432         int compression_type = WIMLIB_COMPRESSION_TYPE_INVALID;
3433         uint32_t chunk_size = UINT32_MAX;
3434         uint32_t pack_chunk_size = UINT32_MAX;
3435         int pack_ctype = WIMLIB_COMPRESSION_TYPE_INVALID;
3436         int ret;
3437         WIMStruct *wim;
3438         const tchar *wimfile;
3439         off_t old_size;
3440         off_t new_size;
3441         unsigned num_threads = 0;
3442
3443         for_opt(c, optimize_options) {
3444                 switch (c) {
3445                 case IMAGEX_CHECK_OPTION:
3446                         open_flags |= WIMLIB_OPEN_FLAG_CHECK_INTEGRITY;
3447                         write_flags |= WIMLIB_WRITE_FLAG_CHECK_INTEGRITY;
3448                         break;
3449                 case IMAGEX_NOCHECK_OPTION:
3450                         write_flags |= WIMLIB_WRITE_FLAG_NO_CHECK_INTEGRITY;
3451                         break;
3452                 case IMAGEX_COMPRESS_OPTION:
3453                         write_flags |= WIMLIB_WRITE_FLAG_RECOMPRESS;
3454                         compression_type = get_compression_type(optarg);
3455                         if (compression_type == WIMLIB_COMPRESSION_TYPE_INVALID)
3456                                 goto out_err;
3457                         break;
3458                 case IMAGEX_RECOMPRESS_OPTION:
3459                         write_flags |= WIMLIB_WRITE_FLAG_RECOMPRESS;
3460                         break;
3461                 case IMAGEX_COMPRESS_SLOW_OPTION:
3462                         write_flags |= WIMLIB_WRITE_FLAG_RECOMPRESS;
3463                         set_compress_slow();
3464                         break;
3465                 case IMAGEX_CHUNK_SIZE_OPTION:
3466                         chunk_size = parse_chunk_size(optarg);
3467                         if (chunk_size == UINT32_MAX)
3468                                 goto out_err;
3469                         break;
3470                 case IMAGEX_PACK_CHUNK_SIZE_OPTION:
3471                         pack_chunk_size = parse_chunk_size(optarg);
3472                         if (pack_chunk_size == UINT32_MAX)
3473                                 goto out_err;
3474                         break;
3475                 case IMAGEX_PACK_COMPRESS_OPTION:
3476                         pack_ctype = get_compression_type(optarg);
3477                         if (pack_ctype == WIMLIB_COMPRESSION_TYPE_INVALID)
3478                                 goto out_err;
3479                         break;
3480                 case IMAGEX_PACK_STREAMS_OPTION:
3481                         write_flags |= WIMLIB_WRITE_FLAG_PACK_STREAMS;
3482                         write_flags |= WIMLIB_WRITE_FLAG_RECOMPRESS;
3483                         break;
3484                 case IMAGEX_THREADS_OPTION:
3485                         num_threads = parse_num_threads(optarg);
3486                         if (num_threads == UINT_MAX)
3487                                 goto out_err;
3488                         break;
3489                 case IMAGEX_PIPABLE_OPTION:
3490                         write_flags |= WIMLIB_WRITE_FLAG_PIPABLE;
3491                         break;
3492                 case IMAGEX_NOT_PIPABLE_OPTION:
3493                         write_flags |= WIMLIB_WRITE_FLAG_NOT_PIPABLE;
3494                         break;
3495                 default:
3496                         goto out_usage;
3497                 }
3498         }
3499         argc -= optind;
3500         argv += optind;
3501
3502         if (argc != 1)
3503                 goto out_usage;
3504
3505         wimfile = argv[0];
3506
3507         ret = wimlib_open_wim(wimfile, open_flags, &wim, imagex_progress_func);
3508         if (ret)
3509                 goto out;
3510
3511         if (compression_type != WIMLIB_COMPRESSION_TYPE_INVALID) {
3512                 /* Change compression type.  */
3513                 ret = wimlib_set_output_compression_type(wim, compression_type);
3514                 if (ret)
3515                         goto out_wimlib_free;
3516         }
3517
3518         if (chunk_size != UINT32_MAX) {
3519                 /* Change chunk size.  */
3520                 ret = wimlib_set_output_chunk_size(wim, chunk_size);
3521                 if (ret)
3522                         goto out_wimlib_free;
3523         }
3524         if (pack_ctype != WIMLIB_COMPRESSION_TYPE_INVALID) {
3525                 ret = wimlib_set_output_pack_compression_type(wim, pack_ctype);
3526                 if (ret)
3527                         goto out_wimlib_free;
3528         }
3529         if (pack_chunk_size != UINT32_MAX) {
3530                 ret = wimlib_set_output_pack_chunk_size(wim, pack_chunk_size);
3531                 if (ret)
3532                         goto out_wimlib_free;
3533         }
3534
3535         old_size = file_get_size(wimfile);
3536         tprintf(T("\"%"TS"\" original size: "), wimfile);
3537         if (old_size == -1)
3538                 tputs(T("Unknown"));
3539         else
3540                 tprintf(T("%"PRIu64" KiB\n"), old_size >> 10);
3541
3542         ret = wimlib_overwrite(wim, write_flags, num_threads,
3543                                imagex_progress_func);
3544         if (ret) {
3545                 imagex_error(T("Optimization of \"%"TS"\" failed."), wimfile);
3546                 goto out_wimlib_free;
3547         }
3548
3549         new_size = file_get_size(wimfile);
3550         tprintf(T("\"%"TS"\" optimized size: "), wimfile);
3551         if (new_size == -1)
3552                 tputs(T("Unknown"));
3553         else
3554                 tprintf(T("%"PRIu64" KiB\n"), new_size >> 10);
3555
3556         tfputs(T("Space saved: "), stdout);
3557         if (new_size != -1 && old_size != -1) {
3558                 tprintf(T("%lld KiB\n"),
3559                        ((long long)old_size - (long long)new_size) >> 10);
3560         } else {
3561                 tputs(T("Unknown"));
3562         }
3563         ret = 0;
3564 out_wimlib_free:
3565         wimlib_free(wim);
3566 out:
3567         return ret;
3568
3569 out_usage:
3570         usage(CMD_OPTIMIZE, stderr);
3571 out_err:
3572         ret = -1;
3573         goto out;
3574 }
3575
3576 /* Split a WIM into a spanned set */
3577 static int
3578 imagex_split(int argc, tchar **argv, int cmd)
3579 {
3580         int c;
3581         int open_flags = 0;
3582         int write_flags = 0;
3583         unsigned long part_size;
3584         tchar *tmp;
3585         int ret;
3586         WIMStruct *wim;
3587
3588         for_opt(c, split_options) {
3589                 switch (c) {
3590                 case IMAGEX_CHECK_OPTION:
3591                         open_flags |= WIMLIB_OPEN_FLAG_CHECK_INTEGRITY;
3592                         write_flags |= WIMLIB_WRITE_FLAG_CHECK_INTEGRITY;
3593                         break;
3594                 default:
3595                         goto out_usage;
3596                 }
3597         }
3598         argc -= optind;
3599         argv += optind;
3600
3601         if (argc != 3)
3602                 goto out_usage;
3603
3604         part_size = tstrtod(argv[2], &tmp) * (1 << 20);
3605         if (tmp == argv[2] || *tmp) {
3606                 imagex_error(T("Invalid part size \"%"TS"\""), argv[2]);
3607                 imagex_error(T("The part size must be an integer or "
3608                                "floating-point number of megabytes."));
3609                 goto out_err;
3610         }
3611         ret = wimlib_open_wim(argv[0], open_flags, &wim, imagex_progress_func);
3612         if (ret)
3613                 goto out;
3614
3615         ret = wimlib_split(wim, argv[1], part_size, write_flags, imagex_progress_func);
3616         wimlib_free(wim);
3617 out:
3618         return ret;
3619
3620 out_usage:
3621         usage(CMD_SPLIT, stderr);
3622 out_err:
3623         ret = -1;
3624         goto out;
3625 }
3626
3627 #if WIM_MOUNTING_SUPPORTED
3628 /* Unmounts a mounted WIM image. */
3629 static int
3630 imagex_unmount(int argc, tchar **argv, int cmd)
3631 {
3632         int c;
3633         int unmount_flags = 0;
3634         int ret;
3635
3636         for_opt(c, unmount_options) {
3637                 switch (c) {
3638                 case IMAGEX_COMMIT_OPTION:
3639                         unmount_flags |= WIMLIB_UNMOUNT_FLAG_COMMIT;
3640                         break;
3641                 case IMAGEX_CHECK_OPTION:
3642                         unmount_flags |= WIMLIB_UNMOUNT_FLAG_CHECK_INTEGRITY;
3643                         break;
3644                 case IMAGEX_REBUILD_OPTION:
3645                         unmount_flags |= WIMLIB_UNMOUNT_FLAG_REBUILD;
3646                         break;
3647                 case IMAGEX_LAZY_OPTION:
3648                         unmount_flags |= WIMLIB_UNMOUNT_FLAG_LAZY;
3649                         break;
3650                 case IMAGEX_NEW_IMAGE_OPTION:
3651                         unmount_flags |= WIMLIB_UNMOUNT_FLAG_NEW_IMAGE;
3652                         break;
3653                 default:
3654                         goto out_usage;
3655                 }
3656         }
3657         argc -= optind;
3658         argv += optind;
3659         if (argc != 1)
3660                 goto out_usage;
3661
3662         if (unmount_flags & WIMLIB_UNMOUNT_FLAG_NEW_IMAGE) {
3663                 if (!(unmount_flags & WIMLIB_UNMOUNT_FLAG_COMMIT)) {
3664                         imagex_error(T("--new-image is meaningless "
3665                                        "without --commit also specified!"));
3666                         goto out_err;
3667                 }
3668                 imagex_printf(T("Committing changes as new image...\n"));
3669         }
3670
3671         ret = wimlib_unmount_image(argv[0], unmount_flags,
3672                                    imagex_progress_func);
3673         if (ret)
3674                 imagex_error(T("Failed to unmount \"%"TS"\""), argv[0]);
3675 out:
3676         return ret;
3677
3678 out_usage:
3679         usage(CMD_UNMOUNT, stderr);
3680 out_err:
3681         ret = -1;
3682         goto out;
3683 }
3684 #endif /* WIM_MOUNTING_SUPPORTED */
3685
3686 /*
3687  * Add, delete, or rename files in a WIM image.
3688  */
3689 static int
3690 imagex_update(int argc, tchar **argv, int cmd)
3691 {
3692         const tchar *wimfile;
3693         int image;
3694         WIMStruct *wim;
3695         int ret;
3696         int open_flags = WIMLIB_OPEN_FLAG_WRITE_ACCESS;
3697         int write_flags = 0;
3698         int update_flags = WIMLIB_UPDATE_FLAG_SEND_PROGRESS;
3699         int default_add_flags = WIMLIB_ADD_FLAG_EXCLUDE_VERBOSE |
3700                                 WIMLIB_ADD_FLAG_VERBOSE |
3701                                 WIMLIB_ADD_FLAG_WINCONFIG;
3702         int default_delete_flags = 0;
3703         unsigned num_threads = 0;
3704         int c;
3705         tchar *cmd_file_contents;
3706         size_t cmd_file_nchars;
3707         struct wimlib_update_command *cmds;
3708         size_t num_cmds;
3709         tchar *command_str = NULL;
3710         tchar *config_file = NULL;
3711         tchar *wimboot_config = NULL;
3712
3713         for_opt(c, update_options) {
3714                 switch (c) {
3715                 /* Generic or write options */
3716                 case IMAGEX_THREADS_OPTION:
3717                         num_threads = parse_num_threads(optarg);
3718                         if (num_threads == UINT_MAX)
3719                                 goto out_err;
3720                         break;
3721                 case IMAGEX_CHECK_OPTION:
3722                         open_flags |= WIMLIB_OPEN_FLAG_CHECK_INTEGRITY;
3723                         write_flags |= WIMLIB_WRITE_FLAG_CHECK_INTEGRITY;
3724                         break;
3725                 case IMAGEX_REBUILD_OPTION:
3726                         write_flags |= WIMLIB_WRITE_FLAG_REBUILD;
3727                         break;
3728                 case IMAGEX_COMMAND_OPTION:
3729                         if (command_str) {
3730                                 imagex_error(T("--command may only be specified "
3731                                                "one time.  Please provide\n"
3732                                                "       the update commands "
3733                                                "on standard input instead."));
3734                                 goto out_err;
3735                         }
3736                         command_str = tstrdup(optarg);
3737                         if (!command_str) {
3738                                 imagex_error(T("Out of memory!"));
3739                                 goto out_err;
3740                         }
3741                         break;
3742                 case IMAGEX_WIMBOOT_CONFIG_OPTION:
3743                         wimboot_config = optarg;
3744                         break;
3745                 /* Default delete options */
3746                 case IMAGEX_FORCE_OPTION:
3747                         default_delete_flags |= WIMLIB_DELETE_FLAG_FORCE;
3748                         break;
3749                 case IMAGEX_RECURSIVE_OPTION:
3750                         default_delete_flags |= WIMLIB_DELETE_FLAG_RECURSIVE;
3751                         break;
3752
3753                 /* Global add option */
3754                 case IMAGEX_CONFIG_OPTION:
3755                         default_add_flags &= ~WIMLIB_ADD_FLAG_WINCONFIG;
3756                         config_file = optarg;
3757                         break;
3758
3759                 /* Default add options */
3760                 case IMAGEX_VERBOSE_OPTION:
3761                         /* No longer does anything.  */
3762                         break;
3763                 case IMAGEX_DEREFERENCE_OPTION:
3764                         default_add_flags |= WIMLIB_ADD_FLAG_DEREFERENCE;
3765                         break;
3766                 case IMAGEX_UNIX_DATA_OPTION:
3767                         default_add_flags |= WIMLIB_ADD_FLAG_UNIX_DATA;
3768                         break;
3769                 case IMAGEX_NO_ACLS_OPTION:
3770                         default_add_flags |= WIMLIB_ADD_FLAG_NO_ACLS;
3771                         break;
3772                 case IMAGEX_STRICT_ACLS_OPTION:
3773                         default_add_flags |= WIMLIB_ADD_FLAG_STRICT_ACLS;
3774                         break;
3775                 case IMAGEX_NO_REPLACE_OPTION:
3776                         default_add_flags |= WIMLIB_ADD_FLAG_NO_REPLACE;
3777                         break;
3778                 default:
3779                         goto out_usage;
3780                 }
3781         }
3782         argv += optind;
3783         argc -= optind;
3784
3785         if (argc != 1 && argc != 2)
3786                 goto out_usage;
3787         wimfile = argv[0];
3788
3789         ret = wimlib_open_wim(wimfile, open_flags, &wim, imagex_progress_func);
3790         if (ret)
3791                 goto out_free_command_str;
3792
3793         if (argc >= 2) {
3794                 /* Image explicitly specified.  */
3795                 image = wimlib_resolve_image(wim, argv[1]);
3796                 ret = verify_image_exists_and_is_single(image, argv[1],
3797                                                         wimfile);
3798                 if (ret)
3799                         goto out_wimlib_free;
3800         } else {
3801                 /* No image specified; default to image 1, but only if the WIM
3802                  * contains exactly one image.  */
3803                 struct wimlib_wim_info info;
3804
3805                 wimlib_get_wim_info(wim, &info);
3806                 if (info.image_count != 1) {
3807                         imagex_error(T("\"%"TS"\" contains %d images; Please select one."),
3808                                      wimfile, info.image_count);
3809                         wimlib_free(wim);
3810                         goto out_usage;
3811                 }
3812                 image = 1;
3813         }
3814
3815         /* Read update commands from standard input, or the command string if
3816          * specified.  */
3817         if (command_str) {
3818                 cmd_file_contents = NULL;
3819                 cmds = parse_update_command_file(&command_str, tstrlen(command_str),
3820                                                  &num_cmds);
3821                 if (!cmds) {
3822                         ret = -1;
3823                         goto out_free_cmd_file_contents;
3824                 }
3825         } else if (!wimboot_config) {
3826                 if (isatty(STDIN_FILENO)) {
3827                         tputs(T("Reading update commands from standard input..."));
3828                         recommend_man_page(CMD_UPDATE, stdout);
3829                 }
3830                 cmd_file_contents = stdin_get_text_contents(&cmd_file_nchars);
3831                 if (!cmd_file_contents) {
3832                         ret = -1;
3833                         goto out_wimlib_free;
3834                 }
3835
3836                 /* Parse the update commands */
3837                 cmds = parse_update_command_file(&cmd_file_contents, cmd_file_nchars,
3838                                                  &num_cmds);
3839                 if (!cmds) {
3840                         ret = -1;
3841                         goto out_free_cmd_file_contents;
3842                 }
3843         } else {
3844                 cmd_file_contents = NULL;
3845                 cmds = NULL;
3846                 num_cmds = 0;
3847         }
3848
3849         /* Set default flags and capture config on the update commands */
3850         for (size_t i = 0; i < num_cmds; i++) {
3851                 switch (cmds[i].op) {
3852                 case WIMLIB_UPDATE_OP_ADD:
3853                         cmds[i].add.add_flags |= default_add_flags;
3854                         cmds[i].add.config_file = config_file;
3855                         break;
3856                 case WIMLIB_UPDATE_OP_DELETE:
3857                         cmds[i].delete_.delete_flags |= default_delete_flags;
3858                         break;
3859                 default:
3860                         break;
3861                 }
3862         }
3863
3864         /* Execute the update commands */
3865         ret = wimlib_update_image(wim, image, cmds, num_cmds, update_flags,
3866                                   imagex_progress_func);
3867         if (ret)
3868                 goto out_free_cmds;
3869
3870         if (wimboot_config) {
3871                 /* --wimboot-config=FILE is short for an
3872                  * "add FILE /Windows/System32/WimBootCompress.ini" command.
3873                  */
3874                 struct wimlib_update_command cmd;
3875
3876                 cmd.op = WIMLIB_UPDATE_OP_ADD;
3877                 cmd.add.fs_source_path = wimboot_config;
3878                 cmd.add.wim_target_path = T("/Windows/System32/WimBootCompress.ini");
3879                 cmd.add.config_file = NULL;
3880                 cmd.add.add_flags = 0;
3881
3882                 ret = wimlib_update_image(wim, image, &cmd, 1,
3883                                           update_flags, imagex_progress_func);
3884                 if (ret)
3885                         goto out_free_cmds;
3886         }
3887
3888         /* Overwrite the updated WIM */
3889         ret = wimlib_overwrite(wim, write_flags, num_threads,
3890                                imagex_progress_func);
3891 out_free_cmds:
3892         free(cmds);
3893 out_free_cmd_file_contents:
3894         free(cmd_file_contents);
3895 out_wimlib_free:
3896         wimlib_free(wim);
3897 out_free_command_str:
3898         free(command_str);
3899         return ret;
3900
3901 out_usage:
3902         usage(CMD_UPDATE, stderr);
3903 out_err:
3904         ret = -1;
3905         goto out_free_command_str;
3906 }
3907
3908
3909
3910 struct imagex_command {
3911         const tchar *name;
3912         int (*func)(int argc, tchar **argv, int cmd);
3913 };
3914
3915 static const struct imagex_command imagex_commands[] = {
3916         [CMD_APPEND]   = {T("append"),   imagex_capture_or_append},
3917         [CMD_APPLY]    = {T("apply"),    imagex_apply},
3918         [CMD_CAPTURE]  = {T("capture"),  imagex_capture_or_append},
3919         [CMD_DELETE]   = {T("delete"),   imagex_delete},
3920         [CMD_DIR ]     = {T("dir"),      imagex_dir},
3921         [CMD_EXPORT]   = {T("export"),   imagex_export},
3922         [CMD_EXTRACT]  = {T("extract"),  imagex_extract},
3923         [CMD_INFO]     = {T("info"),     imagex_info},
3924         [CMD_JOIN]     = {T("join"),     imagex_join},
3925 #if WIM_MOUNTING_SUPPORTED
3926         [CMD_MOUNT]    = {T("mount"),    imagex_mount_rw_or_ro},
3927         [CMD_MOUNTRW]  = {T("mountrw"),  imagex_mount_rw_or_ro},
3928 #endif
3929         [CMD_OPTIMIZE] = {T("optimize"), imagex_optimize},
3930         [CMD_SPLIT]    = {T("split"),    imagex_split},
3931 #if WIM_MOUNTING_SUPPORTED
3932         [CMD_UNMOUNT]  = {T("unmount"),  imagex_unmount},
3933 #endif
3934         [CMD_UPDATE]   = {T("update"),   imagex_update},
3935 };
3936
3937 static const tchar *usage_strings[] = {
3938 [CMD_APPEND] =
3939 T(
3940 "    %"TS" (DIRECTORY | NTFS_VOLUME) WIMFILE\n"
3941 "                    [IMAGE_NAME [IMAGE_DESCRIPTION]] [--boot] [--check]\n"
3942 "                    [--nocheck] [--flags EDITION_ID] [--dereference]\n"
3943 "                    [--config=FILE] [--threads=NUM_THREADS] [--source-list]\n"
3944 "                    [--no-acls] [--strict-acls] [--rpfix] [--norpfix]\n"
3945 "                    [--update-of=[WIMFILE:]IMAGE] [--wimboot]\n"
3946 ),
3947 [CMD_APPLY] =
3948 T(
3949 "    %"TS" WIMFILE [(IMAGE_NUM | IMAGE_NAME | all)]\n"
3950 "                    (DIRECTORY | NTFS_VOLUME) [--check] [--ref=\"GLOB\"]\n"
3951 "                    [--no-acls] [--strict-acls] [--no-attributes]\n"
3952 "                    [--rpfix] [--norpfix] [--hardlink] [--symlink]\n"
3953 "                    [--include-invalid-names] [--wimboot]\n"
3954 ),
3955 [CMD_CAPTURE] =
3956 T(
3957 "    %"TS" (DIRECTORY | NTFS_VOLUME) WIMFILE\n"
3958 "                    [IMAGE_NAME [IMAGE_DESCRIPTION]] [--boot] [--check]\n"
3959 "                    [--nocheck] [--compress=TYPE] [--flags EDITION_ID]\n"
3960 "                    [--dereference] [--config=FILE] [--threads=NUM_THREADS]\n"
3961 "                    [--source-list] [--no-acls] [--strict-acls] [--rpfix]\n"
3962 "                    [--norpfix] [--update-of=[WIMFILE:]IMAGE]\n"
3963 "                    [--delta-from=WIMFILE] [--wimboot]\n"
3964 ),
3965 [CMD_DELETE] =
3966 T(
3967 "    %"TS" WIMFILE (IMAGE_NUM | IMAGE_NAME | all)\n"
3968 "                    [--check] [--soft]\n"
3969 ),
3970 [CMD_DIR] =
3971 T(
3972 "    %"TS" WIMFILE (IMAGE_NUM | IMAGE_NAME | all) [--path=PATH] [--detailed]\n"
3973 ),
3974 [CMD_EXPORT] =
3975 T(
3976 "    %"TS" SRC_WIMFILE (SRC_IMAGE_NUM | SRC_IMAGE_NAME | all ) \n"
3977 "                    DEST_WIMFILE [DEST_IMAGE_NAME [DEST_IMAGE_DESCRIPTION]]\n"
3978 "                    [--boot] [--check] [--nocheck] [--compress=TYPE]\n"
3979 "                    [--ref=\"GLOB\"] [--threads=NUM_THREADS] [--rebuild]\n"
3980 ),
3981 [CMD_EXTRACT] =
3982 T(
3983 "    %"TS" WIMFILE (IMAGE_NUM | IMAGE_NAME) [(PATH | @LISTFILE)...]\n"
3984 "                    [--check] [--ref=\"GLOB\"] [--dest-dir=CMD_DIR]\n"
3985 "                    [--to-stdout] [--no-acls] [--strict-acls]\n"
3986 "                    [--no-attributes] [--include-invalid-names]\n"
3987 "                    [--no-wildcards] [--nullglob] [--preserve-dir-structure]\n"
3988 ),
3989 [CMD_INFO] =
3990 T(
3991 "    %"TS" WIMFILE [(IMAGE_NUM | IMAGE_NAME) [NEW_NAME\n"
3992 "                    [NEW_DESC]]] [--boot] [--check] [--nocheck] [--xml]\n"
3993 "                    [--extract-xml FILE] [--header] [--lookup-table]\n"
3994 ),
3995 [CMD_JOIN] =
3996 T(
3997 "    %"TS" OUT_WIMFILE SPLIT_WIM_PART... [--check]\n"
3998 ),
3999 #if WIM_MOUNTING_SUPPORTED
4000 [CMD_MOUNT] =
4001 T(
4002 "    %"TS" WIMFILE [(IMAGE_NUM | IMAGE_NAME)] DIRECTORY\n"
4003 "                    [--check] [--streams-interface=INTERFACE]\n"
4004 "                    [--ref=\"GLOB\"] [--allow-other]\n"
4005 ),
4006 [CMD_MOUNTRW] =
4007 T(
4008 "    %"TS" WIMFILE [(IMAGE_NUM | IMAGE_NAME)] DIRECTORY\n"
4009 "                    [--check] [--streams-interface=INTERFACE]\n"
4010 "                    [--staging-dir=CMD_DIR] [--allow-other]\n"
4011 ),
4012 #endif
4013 [CMD_OPTIMIZE] =
4014 T(
4015 "    %"TS" WIMFILE [--check] [--nocheck] [--recompress]\n"
4016 "                    [--recompress-slow] [--compress=TYPE]\n"
4017 "                    [--threads=NUM_THREADS]\n"
4018 ),
4019 [CMD_SPLIT] =
4020 T(
4021 "    %"TS" WIMFILE SPLIT_WIM_PART_1 PART_SIZE_MB [--check]\n"
4022 ),
4023 #if WIM_MOUNTING_SUPPORTED
4024 [CMD_UNMOUNT] =
4025 T(
4026 "    %"TS" DIRECTORY [--commit] [--check] [--rebuild] [--lazy]\n"
4027 "                    [--new-image]\n"
4028 ),
4029 #endif
4030 [CMD_UPDATE] =
4031 T(
4032 "    %"TS" WIMFILE [IMAGE_NUM | IMAGE_NAME] [--check] [--rebuild]\n"
4033 "                    [--threads=NUM_THREADS] [DEFAULT_ADD_OPTIONS]\n"
4034 "                    [DEFAULT_DELETE_OPTIONS] [--command=STRING]\n"
4035 "                    [--wimboot-config=FILE| [< CMDFILE]\n"
4036 ),
4037 };
4038
4039 static const tchar *invocation_name;
4040 static int invocation_cmd = CMD_NONE;
4041
4042 static const tchar *get_cmd_string(int cmd, bool nospace)
4043 {
4044         static tchar buf[50];
4045         if (cmd == CMD_NONE) {
4046                 tsprintf(buf, T("%"TS), T(IMAGEX_PROGNAME));
4047         } else if (invocation_cmd != CMD_NONE) {
4048                 tsprintf(buf, T("wim%"TS), imagex_commands[cmd].name);
4049         } else {
4050                 const tchar *format;
4051
4052                 if (nospace)
4053                         format = T("%"TS"-%"TS"");
4054                 else
4055                         format = T("%"TS" %"TS"");
4056                 tsprintf(buf, format, invocation_name, imagex_commands[cmd].name);
4057         }
4058         return buf;
4059 }
4060
4061 static void
4062 version(void)
4063 {
4064         static const tchar *s =
4065         T(
4066 IMAGEX_PROGNAME " (distributed with " PACKAGE " " PACKAGE_VERSION ")\n"
4067 "Copyright (C) 2012, 2013, 2014 Eric Biggers\n"
4068 "License GPLv3+; GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>.\n"
4069 "This is free software: you are free to change and redistribute it.\n"
4070 "There is NO WARRANTY, to the extent permitted by law.\n"
4071 "\n"
4072 "Report bugs to "PACKAGE_BUGREPORT".\n"
4073         );
4074         tfputs(s, stdout);
4075 }
4076
4077
4078 static void
4079 help_or_version(int argc, tchar **argv, int cmd)
4080 {
4081         int i;
4082         const tchar *p;
4083
4084         for (i = 1; i < argc; i++) {
4085                 p = argv[i];
4086                 if (p[0] == T('-') && p[1] == T('-')) {
4087                         p += 2;
4088                         if (!tstrcmp(p, T("help"))) {
4089                                 if (cmd == CMD_NONE)
4090                                         usage_all(stdout);
4091                                 else
4092                                         usage(cmd, stdout);
4093                                 exit(0);
4094                         } else if (!tstrcmp(p, T("version"))) {
4095                                 version();
4096                                 exit(0);
4097                         }
4098                 }
4099         }
4100 }
4101
4102 static void
4103 print_usage_string(int cmd, FILE *fp)
4104 {
4105         tfprintf(fp, usage_strings[cmd], get_cmd_string(cmd, false));
4106 }
4107
4108 static void
4109 recommend_man_page(int cmd, FILE *fp)
4110 {
4111         const tchar *format_str;
4112 #ifdef __WIN32__
4113         format_str = T("Uncommon options are not listed;\n"
4114                        "See %"TS".pdf in the doc directory for more details.\n");
4115 #else
4116         format_str = T("Uncommon options are not listed;\n"
4117                        "Try `man %"TS"' for more details.\n");
4118 #endif
4119         tfprintf(fp, format_str, get_cmd_string(cmd, true));
4120 }
4121
4122 static void
4123 usage(int cmd, FILE *fp)
4124 {
4125         tfprintf(fp, T("Usage:\n"));
4126         print_usage_string(cmd, fp);
4127         tfprintf(fp, T("\n"));
4128         recommend_man_page(cmd, fp);
4129 }
4130
4131 static void
4132 usage_all(FILE *fp)
4133 {
4134         tfprintf(fp, T("Usage:\n"));
4135         for (int cmd = 0; cmd < CMD_MAX; cmd++) {
4136                 print_usage_string(cmd, fp);
4137                 tfprintf(fp, T("\n"));
4138         }
4139         static const tchar *extra =
4140         T(
4141 "    %"TS" --help\n"
4142 "    %"TS" --version\n"
4143 "\n"
4144 "    The compression TYPE may be \"maximum\", \"fast\", or \"none\".\n"
4145 "\n"
4146         );
4147         tfprintf(fp, extra, invocation_name, invocation_name);
4148         recommend_man_page(CMD_NONE, fp);
4149 }
4150
4151 /* Entry point for wimlib's ImageX implementation.  On UNIX the command
4152  * arguments will just be 'char' strings (ideally UTF-8 encoded, but could be
4153  * something else), while on Windows the command arguments will be UTF-16LE
4154  * encoded 'wchar_t' strings. */
4155 int
4156 #ifdef __WIN32__
4157 wmain(int argc, wchar_t **argv, wchar_t **envp)
4158 #else
4159 main(int argc, char **argv)
4160 #endif
4161 {
4162         int ret;
4163         int init_flags = 0;
4164         int cmd;
4165
4166         imagex_info_file = stdout;
4167         invocation_name = tbasename(argv[0]);
4168
4169 #ifndef __WIN32__
4170         if (getenv("WIMLIB_IMAGEX_USE_UTF8")) {
4171                 init_flags |= WIMLIB_INIT_FLAG_ASSUME_UTF8;
4172         } else {
4173                 char *codeset;
4174
4175                 setlocale(LC_ALL, "");
4176                 codeset = nl_langinfo(CODESET);
4177                 if (!strstr(codeset, "UTF-8") &&
4178                     !strstr(codeset, "UTF8") &&
4179                     !strstr(codeset, "utf-8") &&
4180                     !strstr(codeset, "utf8"))
4181                 {
4182                         fprintf(stderr,
4183 "WARNING: Running %"TS" in a UTF-8 locale is recommended!\n"
4184 "         Maybe try: `export LANG=en_US.UTF-8'?\n"
4185 "         Alternatively, set the environmental variable WIMLIB_IMAGEX_USE_UTF8\n"
4186 "         to any value to force wimlib to use UTF-8.\n",
4187                         invocation_name);
4188
4189                 }
4190         }
4191
4192 #endif /* !__WIN32__ */
4193
4194         {
4195                 tchar *igcase = tgetenv(T("WIMLIB_IMAGEX_IGNORE_CASE"));
4196                 if (igcase != NULL) {
4197                         if (!tstrcmp(igcase, T("no")) ||
4198                             !tstrcmp(igcase, T("0")))
4199                                 init_flags |= WIMLIB_INIT_FLAG_DEFAULT_CASE_SENSITIVE;
4200                         else if (!tstrcmp(igcase, T("yes")) ||
4201                                  !tstrcmp(igcase, T("1")))
4202                                 init_flags |= WIMLIB_INIT_FLAG_DEFAULT_CASE_INSENSITIVE;
4203                         else {
4204                                 fprintf(stderr,
4205                                         "WARNING: Ignoring unknown setting of "
4206                                         "WIMLIB_IMAGEX_IGNORE_CASE\n");
4207                         }
4208                 }
4209         }
4210
4211         /* Allow being invoked as wimCOMMAND (e.g. wimapply).  */
4212         cmd = CMD_NONE;
4213         if (!tstrncmp(invocation_name, T("wim"), 3) &&
4214             tstrcmp(invocation_name, T(IMAGEX_PROGNAME))) {
4215                 for (int i = 0; i < CMD_MAX; i++) {
4216                         if (!tstrcmp(invocation_name + 3,
4217                                      imagex_commands[i].name))
4218                         {
4219                                 invocation_cmd = i;
4220                                 cmd = i;
4221                                 break;
4222                         }
4223                 }
4224         }
4225
4226         /* Unless already known from the invocation name, determine which
4227          * command was specified.  */
4228         if (cmd == CMD_NONE) {
4229                 if (argc < 2) {
4230                         imagex_error(T("No command specified!\n"));
4231                         usage_all(stderr);
4232                         exit(2);
4233                 }
4234                 for (int i = 0; i < CMD_MAX; i++) {
4235                         if (!tstrcmp(argv[1], imagex_commands[i].name)) {
4236                                 cmd = i;
4237                                 break;
4238                         }
4239                 }
4240                 if (cmd != CMD_NONE) {
4241                         argc--;
4242                         argv++;
4243                 }
4244         }
4245
4246         /* Handle --help and --version.  --help can be either for the program as
4247          * a whole (cmd == CMD_NONE) or just for a specific command (cmd !=
4248          * CMD_NONE).  Note: help_or_version() will not return if a --help or
4249          * --version argument was found.  */
4250         help_or_version(argc, argv, cmd);
4251
4252         /* Bail if a valid command was not specified.  */
4253         if (cmd == CMD_NONE) {
4254                 imagex_error(T("Unrecognized command: `%"TS"'\n"), argv[1]);
4255                 usage_all(stderr);
4256                 exit(2);
4257         }
4258
4259         /* Enable warning and error messages in wimlib to be more user-friendly.
4260          * */
4261         wimlib_set_print_errors(true);
4262
4263         /* Initialize wimlib.  */
4264         ret = wimlib_global_init(init_flags);
4265         if (ret)
4266                 goto out_check_status;
4267
4268         /* Call the command handler function.  */
4269         ret = imagex_commands[cmd].func(argc, argv, cmd);
4270
4271         /* Check for error writing to standard output, especially since for some
4272          * commands, writing to standard output is part of the program's actual
4273          * behavior and not just for informational purposes.  */
4274         if (ferror(stdout) || fclose(stdout)) {
4275                 imagex_error_with_errno(T("error writing to standard output"));
4276                 if (ret == 0)
4277                         ret = -1;
4278         }
4279 out_check_status:
4280         /* Exit status (ret):  -1 indicates an error found by 'wimlib-imagex'
4281          * itself (not by wimlib).  0 indicates success.  > 0 indicates a wimlib
4282          * error code from which an error message can be printed.  */
4283         if (ret > 0) {
4284                 imagex_error(T("Exiting with error code %d:\n"
4285                                "       %"TS"."), ret,
4286                              wimlib_get_error_string(ret));
4287                 if (ret == WIMLIB_ERR_NTFS_3G && errno != 0)
4288                         imagex_error_with_errno(T("errno"));
4289         }
4290         /* Make wimlib free any resources it's holding (although this is not
4291          * strictly necessary because the process is ending anyway).  */
4292         wimlib_global_cleanup();
4293         return ret;
4294 }