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 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 tbasename     win32_wbasename
  52 #  define tglob         win32_wglob
  53 #  define OS_PREFERRED_PATH_SEPARATOR L'\\'
  54 #  define OS_PREFERRED_PATH_SEPARATOR_STRING L"\\"
  55 #else /* __WIN32__ */
  56 #  include <glob.h>
  57 #  include <getopt.h>
  58 #  include <langinfo.h>
  59 #  define tbasename     basename
  60 #  define tglob         glob
  61 #  define OS_PREFERRED_PATH_SEPARATOR '/'
  62 #  define OS_PREFERRED_PATH_SEPARATOR_STRING "/"
  63 static inline void set_fd_to_binary_mode(int fd)
  64 {
  65 }
  66 #endif /* !__WIN32 */
  67
  68 /* Don't confuse the user by presenting the mounting commands on Windows when
  69  * they will never work.  However on UNIX-like systems we always present them,
  70  * even if WITH_FUSE is not defined at this point, as to not tie the build of
  71  * wimlib-imagex to a specific build of wimlib.  */
  72 #ifdef __WIN32__
  73 #  define WIM_MOUNTING_SUPPORTED 0
  74 #else
  75 #  define WIM_MOUNTING_SUPPORTED 1
  76 #endif
  77
  78 #define ARRAY_LEN(array) (sizeof(array) / sizeof(array[0]))
  79
  80 #define for_opt(c, opts) while ((c = getopt_long_only(argc, (tchar**)argv, T(""), \
  81                                 opts, NULL)) != -1)
  82
  83
  84 enum {
  85         CMD_NONE = -1,
  86         CMD_APPEND = 0,
  87         CMD_APPLY,
  88         CMD_CAPTURE,
  89         CMD_DELETE,
  90         CMD_DIR,
  91         CMD_EXPORT,
  92         CMD_EXTRACT,
  93         CMD_INFO,
  94         CMD_JOIN,
  95 #if WIM_MOUNTING_SUPPORTED
  96         CMD_MOUNT,
  97         CMD_MOUNTRW,
  98 #endif
  99         CMD_OPTIMIZE,
 100         CMD_SPLIT,
 101 #if WIM_MOUNTING_SUPPORTED
 102         CMD_UNMOUNT,
 103 #endif
 104         CMD_UPDATE,
 105         CMD_MAX,
 106 };
 107
 108 static void usage(int cmd, FILE *fp);
 109 static void usage_all(FILE *fp);
 110 static void recommend_man_page(int cmd, FILE *fp);
 111 static const tchar *get_cmd_string(int cmd, bool nospace);
 112
 113 static bool imagex_be_quiet = false;
 114 static FILE *imagex_info_file;
 115
 116 #define imagex_printf(format, ...) \
 117                 tfprintf(imagex_info_file, format, ##__VA_ARGS__)
 118
 119 enum {
 120         IMAGEX_ALLOW_OTHER_OPTION,
 121         IMAGEX_BOOT_OPTION,
 122         IMAGEX_CHECK_OPTION,
 123         IMAGEX_COMMAND_OPTION,
 124         IMAGEX_COMMIT_OPTION,
 125         IMAGEX_COMPRESS_OPTION,
 126         IMAGEX_CONFIG_OPTION,
 127         IMAGEX_DEBUG_OPTION,
 128         IMAGEX_DEREFERENCE_OPTION,
 129         IMAGEX_DEST_DIR_OPTION,
 130         IMAGEX_EXTRACT_XML_OPTION,
 131         IMAGEX_FLAGS_OPTION,
 132         IMAGEX_FORCE_OPTION,
 133         IMAGEX_HARDLINK_OPTION,
 134         IMAGEX_HEADER_OPTION,
 135         IMAGEX_INCLUDE_INVALID_NAMES_OPTION,
 136         IMAGEX_LAZY_OPTION,
 137         IMAGEX_LOOKUP_TABLE_OPTION,
 138         IMAGEX_METADATA_OPTION,
 139         IMAGEX_NORPFIX_OPTION,
 140         IMAGEX_NOCHECK_OPTION,
 141         IMAGEX_NO_ACLS_OPTION,
 142         IMAGEX_NOT_PIPABLE_OPTION,
 143         IMAGEX_PATH_OPTION,
 144         IMAGEX_PIPABLE_OPTION,
 145         IMAGEX_REBUILD_OPTION,
 146         IMAGEX_RECOMPRESS_OPTION,
 147         IMAGEX_RECURSIVE_OPTION,
 148         IMAGEX_REF_OPTION,
 149         IMAGEX_RPFIX_OPTION,
 150         IMAGEX_SOFT_OPTION,
 151         IMAGEX_SOURCE_LIST_OPTION,
 152         IMAGEX_STAGING_DIR_OPTION,
 153         IMAGEX_STREAMS_INTERFACE_OPTION,
 154         IMAGEX_STRICT_ACLS_OPTION,
 155         IMAGEX_SYMLINK_OPTION,
 156         IMAGEX_THREADS_OPTION,
 157         IMAGEX_TO_STDOUT_OPTION,
 158         IMAGEX_UNIX_DATA_OPTION,
 159         IMAGEX_VERBOSE_OPTION,
 160         IMAGEX_XML_OPTION,
 161 };
 162
 163 static const struct option apply_options[] = {
 164         {T("check"),       no_argument,       NULL, IMAGEX_CHECK_OPTION},
 165         {T("hardlink"),    no_argument,       NULL, IMAGEX_HARDLINK_OPTION},
 166         {T("symlink"),     no_argument,       NULL, IMAGEX_SYMLINK_OPTION},
 167         {T("verbose"),     no_argument,       NULL, IMAGEX_VERBOSE_OPTION},
 168         {T("ref"),         required_argument, NULL, IMAGEX_REF_OPTION},
 169         {T("unix-data"),   no_argument,       NULL, IMAGEX_UNIX_DATA_OPTION},
 170         {T("noacls"),      no_argument,       NULL, IMAGEX_NO_ACLS_OPTION},
 171         {T("no-acls"),     no_argument,       NULL, IMAGEX_NO_ACLS_OPTION},
 172         {T("strict-acls"), no_argument,       NULL, IMAGEX_STRICT_ACLS_OPTION},
 173         {T("rpfix"),       no_argument,       NULL, IMAGEX_RPFIX_OPTION},
 174         {T("norpfix"),     no_argument,       NULL, IMAGEX_NORPFIX_OPTION},
 175         {T("include-invalid-names"), no_argument,       NULL, IMAGEX_INCLUDE_INVALID_NAMES_OPTION},
 176         {NULL, 0, NULL, 0},
 177 };
 178
 179 static const struct option capture_or_append_options[] = {
 180         {T("boot"),        no_argument,       NULL, IMAGEX_BOOT_OPTION},
 181         {T("check"),       no_argument,       NULL, IMAGEX_CHECK_OPTION},
 182         {T("no-check"),    no_argument,       NULL, IMAGEX_NOCHECK_OPTION},
 183         {T("nocheck"),     no_argument,       NULL, IMAGEX_NOCHECK_OPTION},
 184         {T("compress"),    required_argument, NULL, IMAGEX_COMPRESS_OPTION},
 185         {T("config"),      required_argument, NULL, IMAGEX_CONFIG_OPTION},
 186         {T("dereference"), no_argument,       NULL, IMAGEX_DEREFERENCE_OPTION},
 187         {T("flags"),       required_argument, NULL, IMAGEX_FLAGS_OPTION},
 188         {T("verbose"),     no_argument,       NULL, IMAGEX_VERBOSE_OPTION},
 189         {T("threads"),     required_argument, NULL, IMAGEX_THREADS_OPTION},
 190         {T("rebuild"),     no_argument,       NULL, IMAGEX_REBUILD_OPTION},
 191         {T("unix-data"),   no_argument,       NULL, IMAGEX_UNIX_DATA_OPTION},
 192         {T("source-list"), no_argument,       NULL, IMAGEX_SOURCE_LIST_OPTION},
 193         {T("noacls"),      no_argument,       NULL, IMAGEX_NO_ACLS_OPTION},
 194         {T("no-acls"),     no_argument,       NULL, IMAGEX_NO_ACLS_OPTION},
 195         {T("strict-acls"), no_argument,       NULL, IMAGEX_STRICT_ACLS_OPTION},
 196         {T("rpfix"),       no_argument,       NULL, IMAGEX_RPFIX_OPTION},
 197         {T("norpfix"),     no_argument,       NULL, IMAGEX_NORPFIX_OPTION},
 198         {T("pipable"),     no_argument,       NULL, IMAGEX_PIPABLE_OPTION},
 199         {T("not-pipable"), no_argument,       NULL, IMAGEX_NOT_PIPABLE_OPTION},
 200         {NULL, 0, NULL, 0},
 201 };
 202
 203 static const struct option delete_options[] = {
 204         {T("check"), no_argument, NULL, IMAGEX_CHECK_OPTION},
 205         {T("soft"),  no_argument, NULL, IMAGEX_SOFT_OPTION},
 206         {NULL, 0, NULL, 0},
 207 };
 208
 209 static const struct option dir_options[] = {
 210         {T("path"), required_argument, NULL, IMAGEX_PATH_OPTION},
 211         {NULL, 0, NULL, 0},
 212 };
 213
 214 static const struct option export_options[] = {
 215         {T("boot"),        no_argument,       NULL, IMAGEX_BOOT_OPTION},
 216         {T("check"),       no_argument,       NULL, IMAGEX_CHECK_OPTION},
 217         {T("nocheck"),     no_argument,       NULL, IMAGEX_NOCHECK_OPTION},
 218         {T("no-check"),    no_argument,       NULL, IMAGEX_NOCHECK_OPTION},
 219         {T("compress"),    required_argument, NULL, IMAGEX_COMPRESS_OPTION},
 220         {T("ref"),         required_argument, NULL, IMAGEX_REF_OPTION},
 221         {T("threads"),     required_argument, NULL, IMAGEX_THREADS_OPTION},
 222         {T("rebuild"),     no_argument,       NULL, IMAGEX_REBUILD_OPTION},
 223         {T("pipable"),     no_argument,       NULL, IMAGEX_PIPABLE_OPTION},
 224         {T("not-pipable"), no_argument,       NULL, IMAGEX_NOT_PIPABLE_OPTION},
 225         {NULL, 0, NULL, 0},
 226 };
 227
 228 static const struct option extract_options[] = {
 229         {T("check"),       no_argument,       NULL, IMAGEX_CHECK_OPTION},
 230         {T("verbose"),     no_argument,       NULL, IMAGEX_VERBOSE_OPTION},
 231         {T("ref"),         required_argument, NULL, IMAGEX_REF_OPTION},
 232         {T("unix-data"),   no_argument,       NULL, IMAGEX_UNIX_DATA_OPTION},
 233         {T("noacls"),      no_argument,       NULL, IMAGEX_NO_ACLS_OPTION},
 234         {T("no-acls"),     no_argument,       NULL, IMAGEX_NO_ACLS_OPTION},
 235         {T("strict-acls"), no_argument,       NULL, IMAGEX_STRICT_ACLS_OPTION},
 236         {T("dest-dir"),    required_argument, NULL, IMAGEX_DEST_DIR_OPTION},
 237         {T("to-stdout"),   no_argument,       NULL, IMAGEX_TO_STDOUT_OPTION},
 238         {T("include-invalid-names"), no_argument, NULL, IMAGEX_INCLUDE_INVALID_NAMES_OPTION},
 239         {NULL, 0, NULL, 0},
 240 };
 241
 242 static const struct option info_options[] = {
 243         {T("boot"),         no_argument,       NULL, IMAGEX_BOOT_OPTION},
 244         {T("check"),        no_argument,       NULL, IMAGEX_CHECK_OPTION},
 245         {T("nocheck"),      no_argument,       NULL, IMAGEX_NOCHECK_OPTION},
 246         {T("no-check"),     no_argument,       NULL, IMAGEX_NOCHECK_OPTION},
 247         {T("extract-xml"),  required_argument, NULL, IMAGEX_EXTRACT_XML_OPTION},
 248         {T("header"),       no_argument,       NULL, IMAGEX_HEADER_OPTION},
 249         {T("lookup-table"), no_argument,       NULL, IMAGEX_LOOKUP_TABLE_OPTION},
 250         {T("metadata"),     no_argument,       NULL, IMAGEX_METADATA_OPTION},
 251         {T("xml"),          no_argument,       NULL, IMAGEX_XML_OPTION},
 252         {NULL, 0, NULL, 0},
 253 };
 254
 255 static const struct option join_options[] = {
 256         {T("check"), no_argument, NULL, IMAGEX_CHECK_OPTION},
 257         {NULL, 0, NULL, 0},
 258 };
 259
 260 static const struct option mount_options[] = {
 261         {T("check"),             no_argument,       NULL, IMAGEX_CHECK_OPTION},
 262         {T("debug"),             no_argument,       NULL, IMAGEX_DEBUG_OPTION},
 263         {T("streams-interface"), required_argument, NULL, IMAGEX_STREAMS_INTERFACE_OPTION},
 264         {T("ref"),               required_argument, NULL, IMAGEX_REF_OPTION},
 265         {T("staging-dir"),       required_argument, NULL, IMAGEX_STAGING_DIR_OPTION},
 266         {T("unix-data"),         no_argument,       NULL, IMAGEX_UNIX_DATA_OPTION},
 267         {T("allow-other"),       no_argument,       NULL, IMAGEX_ALLOW_OTHER_OPTION},
 268         {NULL, 0, NULL, 0},
 269 };
 270
 271 static const struct option optimize_options[] = {
 272         {T("check"),       no_argument,       NULL, IMAGEX_CHECK_OPTION},
 273         {T("nocheck"),     no_argument,       NULL, IMAGEX_NOCHECK_OPTION},
 274         {T("no-check"),    no_argument,       NULL, IMAGEX_NOCHECK_OPTION},
 275         {T("recompress"),  no_argument,       NULL, IMAGEX_RECOMPRESS_OPTION},
 276         {T("threads"),     required_argument, NULL, IMAGEX_THREADS_OPTION},
 277         {T("pipable"),     no_argument,       NULL, IMAGEX_PIPABLE_OPTION},
 278         {T("not-pipable"), no_argument,       NULL, IMAGEX_NOT_PIPABLE_OPTION},
 279         {NULL, 0, NULL, 0},
 280 };
 281
 282 static const struct option split_options[] = {
 283         {T("check"), no_argument, NULL, IMAGEX_CHECK_OPTION},
 284         {NULL, 0, NULL, 0},
 285 };
 286
 287 static const struct option unmount_options[] = {
 288         {T("commit"),  no_argument, NULL, IMAGEX_COMMIT_OPTION},
 289         {T("check"),   no_argument, NULL, IMAGEX_CHECK_OPTION},
 290         {T("rebuild"), no_argument, NULL, IMAGEX_REBUILD_OPTION},
 291         {T("lazy"),    no_argument, NULL, IMAGEX_LAZY_OPTION},
 292         {NULL, 0, NULL, 0},
 293 };
 294
 295 static const struct option update_options[] = {
 296         /* Careful: some of the options here set the defaults for update
 297          * commands, but the flags given to an actual update command (and not to
 298          * `imagex update' itself are also handled in
 299          * update_command_add_option().  */
 300         {T("threads"),     required_argument, NULL, IMAGEX_THREADS_OPTION},
 301         {T("check"),       no_argument,       NULL, IMAGEX_CHECK_OPTION},
 302         {T("rebuild"),     no_argument,       NULL, IMAGEX_REBUILD_OPTION},
 303         {T("command"),     required_argument, NULL, IMAGEX_COMMAND_OPTION},
 304
 305         /* Default delete options */
 306         {T("force"),       no_argument,       NULL, IMAGEX_FORCE_OPTION},
 307         {T("recursive"),   no_argument,       NULL, IMAGEX_RECURSIVE_OPTION},
 308
 309         /* Global add option */
 310         {T("config"),      required_argument, NULL, IMAGEX_CONFIG_OPTION},
 311
 312         /* Default add options */
 313         {T("verbose"),     no_argument,       NULL, IMAGEX_VERBOSE_OPTION},
 314         {T("dereference"), no_argument,       NULL, IMAGEX_DEREFERENCE_OPTION},
 315         {T("unix-data"),   no_argument,       NULL, IMAGEX_UNIX_DATA_OPTION},
 316         {T("noacls"),      no_argument,       NULL, IMAGEX_NO_ACLS_OPTION},
 317         {T("no-acls"),     no_argument,       NULL, IMAGEX_NO_ACLS_OPTION},
 318         {T("strict-acls"), no_argument,       NULL, IMAGEX_STRICT_ACLS_OPTION},
 319
 320         {NULL, 0, NULL, 0},
 321 };
 322
 323 #if 0
 324 #       define _format_attribute(type, format_str, args_start) \
 325                         __attribute__((format(type, format_str, args_start)))
 326 #else
 327 #       define _format_attribute(type, format_str, args_start)
 328 #endif
 329
 330 /* Print formatted error message to stderr. */
 331 static void _format_attribute(printf, 1, 2)
 332 imagex_error(const tchar *format, ...)
 333 {
 334         va_list va;
 335         va_start(va, format);
 336         tfputs(T("ERROR: "), stderr);
 337         tvfprintf(stderr, format, va);
 338         tputc(T('\n'), stderr);
 339         va_end(va);
 340 }
 341
 342 /* Print formatted error message to stderr. */
 343 static void _format_attribute(printf, 1, 2)
 344 imagex_error_with_errno(const tchar *format, ...)
 345 {
 346         int errno_save = errno;
 347         va_list va;
 348         va_start(va, format);
 349         tfputs(T("ERROR: "), stderr);
 350         tvfprintf(stderr, format, va);
 351         tfprintf(stderr, T(": %"TS"\n"), tstrerror(errno_save));
 352         va_end(va);
 353 }
 354
 355 static int
 356 verify_image_exists(int image, const tchar *image_name, const tchar *wim_name)
 357 {
 358         if (image == WIMLIB_NO_IMAGE) {
 359                 imagex_error(T("\"%"TS"\" is not a valid image in \"%"TS"\"!\n"
 360                              "       Please specify a 1-based image index or "
 361                              "image name.\n"
 362                              "       You may use `%"TS"' to list the images "
 363                              "contained in a WIM."),
 364                              image_name, wim_name, get_cmd_string(CMD_INFO, false));
 365                 return -1;
 366         }
 367         return 0;
 368 }
 369
 370 static int
 371 verify_image_is_single(int image)
 372 {
 373         if (image == WIMLIB_ALL_IMAGES) {
 374                 imagex_error(T("Cannot specify all images for this action!"));
 375                 return -1;
 376         }
 377         return 0;
 378 }
 379
 380 static int
 381 verify_image_exists_and_is_single(int image, const tchar *image_name,
 382                                   const tchar *wim_name)
 383 {
 384         int ret;
 385         ret = verify_image_exists(image, image_name, wim_name);
 386         if (ret == 0)
 387                 ret = verify_image_is_single(image);
 388         return ret;
 389 }
 390
 391 /* Parse the argument to --compress */
 392 static int
 393 get_compression_type(const tchar *optarg)
 394 {
 395         if (!tstrcasecmp(optarg, T("maximum")) || !tstrcasecmp(optarg, T("lzx")))
 396                 return WIMLIB_COMPRESSION_TYPE_LZX;
 397         else if (!tstrcasecmp(optarg, T("fast")) || !tstrcasecmp(optarg, T("xpress")))
 398                 return WIMLIB_COMPRESSION_TYPE_XPRESS;
 399         else if (!tstrcasecmp(optarg, T("none")))
 400                 return WIMLIB_COMPRESSION_TYPE_NONE;
 401         else {
 402                 imagex_error(T("Invalid compression type \"%"TS"\"! Must be "
 403                              "\"maximum\", \"fast\", or \"none\"."), optarg);
 404                 return WIMLIB_COMPRESSION_TYPE_INVALID;
 405         }
 406 }
 407
 408 /* Returns the size of a file given its name, or -1 if the file does not exist
 409  * or its size cannot be determined.  */
 410 static off_t
 411 file_get_size(const tchar *filename)
 412 {
 413         struct stat st;
 414         if (tstat(filename, &st) == 0)
 415                 return st.st_size;
 416         else
 417                 return (off_t)-1;
 418 }
 419
 420 tchar pat_ntfs_log[]                  = T("/$ntfs.log");
 421 tchar pat_hiberfil_sys[]              = T("/hiberfil.sys");
 422 tchar pat_pagefile_sys[]              = T("/pagefile.sys");
 423 tchar pat_system_volume_information[] = T("/System Volume Information");
 424 tchar pat_recycler[]                  = T("/RECYCLER");
 425 tchar pat_windows_csc[]               = T("/Windows/CSC");
 426
 427 tchar *default_pats[] = {
 428         pat_ntfs_log,
 429         pat_hiberfil_sys,
 430         pat_pagefile_sys,
 431         pat_system_volume_information,
 432         pat_recycler,
 433         pat_windows_csc,
 434 };
 435
 436 static struct wimlib_capture_config default_capture_config = {
 437         .exclusion_pats = {
 438                 .num_pats = sizeof(default_pats) / sizeof(default_pats[0]),
 439                 .pats = default_pats,
 440         },
 441 };
 442
 443 enum {
 444         PARSE_STRING_SUCCESS = 0,
 445         PARSE_STRING_FAILURE = 1,
 446         PARSE_STRING_NONE = 2,
 447 };
 448
 449 /*
 450  * Parses a string token from an array of characters.
 451  *
 452  * Tokens are either whitespace-delimited, or double or single-quoted.
 453  *
 454  * @line_p:  Pointer to the pointer to the line of data.  Will be updated
 455  *           to point past the string token iff the return value is
 456  *           PARSE_STRING_SUCCESS.  If *len_p > 0, (*line_p)[*len_p - 1] must
 457  *           be '\0'.
 458  *
 459  * @len_p:   @len_p initially stores the length of the line of data, which may
 460  *           be 0, and it will be updated to the number of bytes remaining in
 461  *           the line iff the return value is PARSE_STRING_SUCCESS.
 462  *
 463  * @fn_ret:  Iff the return value is PARSE_STRING_SUCCESS, a pointer to the
 464  *           parsed string token will be returned here.
 465  *
 466  * Returns: PARSE_STRING_SUCCESS if a string token was successfully parsed; or
 467  *          PARSE_STRING_FAILURE if the data was invalid due to a missing
 468  *          closing quote; or PARSE_STRING_NONE if the line ended before the
 469  *          beginning of a string token was found.
 470  */
 471 static int
 472 parse_string(tchar **line_p, size_t *len_p, tchar **fn_ret)
 473 {
 474         size_t len = *len_p;
 475         tchar *line = *line_p;
 476         tchar *fn;
 477         tchar quote_char;
 478
 479         /* Skip leading whitespace */
 480         for (;;) {
 481                 if (len == 0)
 482                         return PARSE_STRING_NONE;
 483                 if (!istspace(*line) && *line != T('\0'))
 484                         break;
 485                 line++;
 486                 len--;
 487         }
 488         quote_char = *line;
 489         if (quote_char == T('"') || quote_char == T('\'')) {
 490                 /* Quoted string */
 491                 line++;
 492                 len--;
 493                 fn = line;
 494                 line = tmemchr(line, quote_char, len);
 495                 if (!line) {
 496                         imagex_error(T("Missing closing quote: %"TS), fn - 1);
 497                         return PARSE_STRING_FAILURE;
 498                 }
 499         } else {
 500                 /* Unquoted string.  Go until whitespace.  Line is terminated
 501                  * by '\0', so no need to check 'len'. */
 502                 fn = line;
 503                 do {
 504                         line++;
 505                 } while (!istspace(*line) && *line != T('\0'));
 506         }
 507         *line = T('\0');
 508         len -= line - fn;
 509         *len_p = len;
 510         *line_p = line;
 511         *fn_ret = fn;
 512         return PARSE_STRING_SUCCESS;
 513 }
 514
 515 /* Parses a line of data (not an empty line or comment) in the source list file
 516  * format.  (See the man page for 'wimlib-imagex capture' for details on this
 517  * format and the meaning.)
 518  *
 519  * @line:  Line of data to be parsed.  line[len - 1] must be '\0', unless
 520  *         len == 0.  The data in @line will be modified by this function call.
 521  *
 522  * @len:   Length of the line of data.
 523  *
 524  * @source:  On success, the capture source and target described by the line is
 525  *           written into this destination.  Note that it will contain pointers
 526  *           to data in the @line array.
 527  *
 528  * Returns true if the line was valid; false otherwise.  */
 529 static bool
 530 parse_source_list_line(tchar *line, size_t len,
 531                        struct wimlib_capture_source *source)
 532 {
 533         /* SOURCE [DEST] */
 534         int ret;
 535         ret = parse_string(&line, &len, &source->fs_source_path);
 536         if (ret != PARSE_STRING_SUCCESS)
 537                 return false;
 538         ret = parse_string(&line, &len, &source->wim_target_path);
 539         if (ret == PARSE_STRING_NONE)
 540                 source->wim_target_path = source->fs_source_path;
 541         return ret != PARSE_STRING_FAILURE;
 542 }
 543
 544 /* Returns %true if the given line of length @len > 0 is a comment or empty line
 545  * in the source list file format. */
 546 static bool
 547 is_comment_line(const tchar *line, size_t len)
 548 {
 549         for (;;) {
 550                 if (*line == T('#'))
 551                         return true;
 552                 if (!istspace(*line) && *line != T('\0'))
 553                         return false;
 554                 ++line;
 555                 --len;
 556                 if (len == 0)
 557                         return true;
 558         }
 559 }
 560
 561 static ssize_t
 562 text_file_count_lines(tchar **contents_p, size_t *nchars_p)
 563 {
 564         ssize_t nlines = 0;
 565         tchar *contents = *contents_p;
 566         size_t nchars = *nchars_p;
 567         size_t i;
 568
 569         for (i = 0; i < nchars; i++)
 570                 if (contents[i] == T('\n'))
 571                         nlines++;
 572
 573         /* Handle last line not terminated by a newline */
 574         if (nchars != 0 && contents[nchars - 1] != T('\n')) {
 575                 contents = realloc(contents, (nchars + 1) * sizeof(tchar));
 576                 if (!contents) {
 577                         imagex_error(T("Out of memory!"));
 578                         return -1;
 579                 }
 580                 contents[nchars] = T('\n');
 581                 *contents_p = contents;
 582                 nchars++;
 583                 nlines++;
 584         }
 585         *nchars_p = nchars;
 586         return nlines;
 587 }
 588
 589 /* Parses a file in the source list format.  (See the man page for
 590  * 'wimlib-imagex capture' for details on this format and the meaning.)
 591  *
 592  * @source_list_contents:  Contents of the source list file.  Note that this
 593  *                         buffer will be modified to save memory allocations,
 594  *                         and cannot be freed until the returned array of
 595  *                         wimlib_capture_source's has also been freed.
 596  *
 597  * @source_list_nbytes:    Number of bytes of data in the @source_list_contents
 598  *                         buffer.
 599  *
 600  * @nsources_ret:          On success, the length of the returned array is
 601  *                         returned here.
 602  *
 603  * Returns:   An array of `struct wimlib_capture_source's that can be passed to
 604  * the wimlib_add_image_multisource() function to specify how a WIM image is to
 605  * be created.  */
 606 static struct wimlib_capture_source *
 607 parse_source_list(tchar **source_list_contents_p, size_t source_list_nchars,
 608                   size_t *nsources_ret)
 609 {
 610         ssize_t nlines;
 611         tchar *p;
 612         struct wimlib_capture_source *sources;
 613         size_t i, j;
 614
 615         nlines = text_file_count_lines(source_list_contents_p,
 616                                        &source_list_nchars);
 617         if (nlines < 0)
 618                 return NULL;
 619
 620         /* Always allocate at least 1 slot, just in case the implementation of
 621          * calloc() returns NULL if 0 bytes are requested. */
 622         sources = calloc(nlines ?: 1, sizeof(*sources));
 623         if (!sources) {
 624                 imagex_error(T("out of memory"));
 625                 return NULL;
 626         }
 627         p = *source_list_contents_p;
 628         j = 0;
 629         for (i = 0; i < nlines; i++) {
 630                 /* XXX: Could use rawmemchr() here instead, but it may not be
 631                  * available on all platforms. */
 632                 tchar *endp = tmemchr(p, T('\n'), source_list_nchars);
 633                 size_t len = endp - p + 1;
 634                 *endp = T('\0');
 635                 if (!is_comment_line(p, len)) {
 636                         if (!parse_source_list_line(p, len, &sources[j++])) {
 637                                 free(sources);
 638                                 return NULL;
 639                         }
 640                 }
 641                 p = endp + 1;
 642
 643         }
 644         *nsources_ret = j;
 645         return sources;
 646 }
 647
 648
 649 enum capture_config_section {
 650         CAPTURE_CONFIG_NO_SECTION,
 651         CAPTURE_CONFIG_EXCLUSION_SECTION,
 652         CAPTURE_CONFIG_EXCLUSION_EXCEPTION_SECTION,
 653         CAPTURE_CONFIG_IGNORE_SECTION,
 654 };
 655
 656 enum {
 657         CAPTURE_CONFIG_INVALID_SECTION,
 658         CAPTURE_CONFIG_CHANGED_SECTION,
 659         CAPTURE_CONFIG_SAME_SECTION,
 660 };
 661
 662 static int
 663 check_config_section(tchar *line, size_t len,
 664                      enum capture_config_section *cur_section)
 665 {
 666         while (istspace(*line))
 667                 line++;
 668
 669         if (*line != T('['))
 670                 return CAPTURE_CONFIG_SAME_SECTION;
 671
 672         line++;
 673         tchar *endbrace = tstrrchr(line, T(']'));
 674         if (!endbrace)
 675                 return CAPTURE_CONFIG_SAME_SECTION;
 676
 677         if (!tmemcmp(line, T("ExclusionList"), endbrace - line)) {
 678                 *cur_section = CAPTURE_CONFIG_EXCLUSION_SECTION;
 679         } else if (!tmemcmp(line, T("ExclusionException"), endbrace - line)) {
 680                 *cur_section = CAPTURE_CONFIG_EXCLUSION_EXCEPTION_SECTION;
 681         } else if (!tmemcmp(line, T("CompressionExclusionList"), endbrace - line)) {
 682                 *cur_section = CAPTURE_CONFIG_IGNORE_SECTION;
 683                 tfputs(T("WARNING: Ignoring [CompressionExclusionList] section "
 684                          "of capture config file\n"),
 685                        stderr);
 686         } else if (!tmemcmp(line, T("AlignmentList"), endbrace - line)) {
 687                 *cur_section = CAPTURE_CONFIG_IGNORE_SECTION;
 688                 tfputs(T("WARNING: Ignoring [AlignmentList] section "
 689                          "of capture config file\n"),
 690                        stderr);
 691         } else {
 692                 imagex_error(T("Invalid capture config file section \"%"TS"\""),
 693                              line - 1);
 694                 return CAPTURE_CONFIG_INVALID_SECTION;
 695         }
 696         return CAPTURE_CONFIG_CHANGED_SECTION;
 697 }
 698
 699
 700 static bool
 701 pattern_list_add_pattern(struct wimlib_pattern_list *pat_list,
 702                          tchar *pat)
 703 {
 704         if (pat_list->num_pats == pat_list->num_allocated_pats) {
 705                 tchar **pats;
 706                 size_t num_allocated_pats = pat_list->num_pats + 8;
 707
 708                 pats = realloc(pat_list->pats,
 709                                num_allocated_pats * sizeof(pat_list->pats[0]));
 710                 if (!pats) {
 711                         imagex_error(T("Out of memory!"));
 712                         return false;
 713                 }
 714                 pat_list->pats = pats;
 715                 pat_list->num_allocated_pats = num_allocated_pats;
 716         }
 717         pat_list->pats[pat_list->num_pats++] = pat;
 718         return true;
 719 }
 720
 721 static bool
 722 parse_capture_config_line(tchar *line, size_t len,
 723                           enum capture_config_section *cur_section,
 724                           struct wimlib_capture_config *config)
 725 {
 726         tchar *filename;
 727         int ret;
 728
 729         ret = check_config_section(line, len, cur_section);
 730         if (ret == CAPTURE_CONFIG_INVALID_SECTION)
 731                 return false;
 732         if (ret == CAPTURE_CONFIG_CHANGED_SECTION)
 733                 return true;
 734
 735         switch (*cur_section) {
 736         case CAPTURE_CONFIG_NO_SECTION:
 737                 imagex_error(T("Line \"%"TS"\" is not in a section "
 738                                "(such as [ExclusionList]"), line);
 739                 return false;
 740         case CAPTURE_CONFIG_EXCLUSION_SECTION:
 741                 if (parse_string(&line, &len, &filename) != PARSE_STRING_SUCCESS)
 742                         return false;
 743                 return pattern_list_add_pattern(&config->exclusion_pats,
 744                                                 filename);
 745         case CAPTURE_CONFIG_EXCLUSION_EXCEPTION_SECTION:
 746                 if (parse_string(&line, &len, &filename) != PARSE_STRING_SUCCESS)
 747                         return false;
 748                 return pattern_list_add_pattern(&config->exclusion_exception_pats,
 749                                                 filename);
 750         case CAPTURE_CONFIG_IGNORE_SECTION:
 751                 return true;
 752         }
 753         return false;
 754 }
 755
 756 static int
 757 parse_capture_config(tchar **contents_p, size_t nchars,
 758                      struct wimlib_capture_config *config)
 759 {
 760         ssize_t nlines;
 761         tchar *p;
 762         size_t i;
 763         enum capture_config_section cur_section;
 764
 765         memset(config, 0, sizeof(*config));
 766
 767         nlines = text_file_count_lines(contents_p, &nchars);
 768         if (nlines < 0)
 769                 return -1;
 770
 771         cur_section = CAPTURE_CONFIG_NO_SECTION;
 772         p = *contents_p;
 773         for (i = 0; i < nlines; i++) {
 774                 tchar *endp = tmemchr(p, T('\n'), nchars);
 775                 size_t len = endp - p + 1;
 776                 *endp = T('\0');
 777                 if (!is_comment_line(p, len))
 778                         if (!parse_capture_config_line(p, len, &cur_section, config))
 779                                 return -1;
 780                 p = endp + 1;
 781
 782         }
 783         return 0;
 784 }
 785
 786 /* Reads the contents of a file into memory. */
 787 static char *
 788 file_get_contents(const tchar *filename, size_t *len_ret)
 789 {
 790         struct stat stbuf;
 791         void *buf = NULL;
 792         size_t len;
 793         FILE *fp;
 794
 795         if (tstat(filename, &stbuf) != 0) {
 796                 imagex_error_with_errno(T("Failed to stat the file \"%"TS"\""), filename);
 797                 goto out;
 798         }
 799         len = stbuf.st_size;
 800
 801         fp = tfopen(filename, T("rb"));
 802         if (!fp) {
 803                 imagex_error_with_errno(T("Failed to open the file \"%"TS"\""), filename);
 804                 goto out;
 805         }
 806
 807         buf = malloc(len ? len : 1);
 808         if (!buf) {
 809                 imagex_error(T("Failed to allocate buffer of %zu bytes to hold "
 810                                "contents of file \"%"TS"\""), len, filename);
 811                 goto out_fclose;
 812         }
 813         if (fread(buf, 1, len, fp) != len) {
 814                 imagex_error_with_errno(T("Failed to read %zu bytes from the "
 815                                           "file \"%"TS"\""), len, filename);
 816                 goto out_free_buf;
 817         }
 818         *len_ret = len;
 819         goto out_fclose;
 820 out_free_buf:
 821         free(buf);
 822         buf = NULL;
 823 out_fclose:
 824         fclose(fp);
 825 out:
 826         return buf;
 827 }
 828
 829 /* Read standard input until EOF and return the full contents in a malloc()ed
 830  * buffer and the number of bytes of data in @len_ret.  Returns NULL on read
 831  * error. */
 832 static char *
 833 stdin_get_contents(size_t *len_ret)
 834 {
 835         /* stdin can, of course, be a pipe or other non-seekable file, so the
 836          * total length of the data cannot be pre-determined */
 837         char *buf = NULL;
 838         size_t newlen = 1024;
 839         size_t pos = 0;
 840         size_t inc = 1024;
 841         for (;;) {
 842                 char *p = realloc(buf, newlen);
 843                 size_t bytes_read, bytes_to_read;
 844                 if (!p) {
 845                         imagex_error(T("out of memory while reading stdin"));
 846                         break;
 847                 }
 848                 buf = p;
 849                 bytes_to_read = newlen - pos;
 850                 bytes_read = fread(&buf[pos], 1, bytes_to_read, stdin);
 851                 pos += bytes_read;
 852                 if (bytes_read != bytes_to_read) {
 853                         if (feof(stdin)) {
 854                                 *len_ret = pos;
 855                                 return buf;
 856                         } else {
 857                                 imagex_error_with_errno(T("error reading stdin"));
 858                                 break;
 859                         }
 860                 }
 861                 newlen += inc;
 862                 inc *= 3;
 863                 inc /= 2;
 864         }
 865         free(buf);
 866         return NULL;
 867 }
 868
 869
 870 static tchar *
 871 translate_text_to_tstr(char *text, size_t num_bytes, size_t *num_tchars_ret)
 872 {
 873 #ifndef __WIN32__
 874         /* On non-Windows, assume an ASCII-compatible encoding, such as UTF-8.
 875          * */
 876         *num_tchars_ret = num_bytes;
 877         return text;
 878 #else /* !__WIN32__ */
 879         /* On Windows, translate the text to UTF-16LE */
 880         wchar_t *text_wstr;
 881         size_t num_wchars;
 882
 883         if (num_bytes >= 2 &&
 884             ((text[0] == 0xff && text[1] == 0xfe) ||
 885              (text[0] <= 0x7f && text[1] == 0x00)))
 886         {
 887                 /* File begins with 0xfeff, the BOM for UTF-16LE, or it begins
 888                  * with something that looks like an ASCII character encoded as
 889                  * a UTF-16LE code unit.  Assume the file is encoded as
 890                  * UTF-16LE.  This is not a 100% reliable check. */
 891                 num_wchars = num_bytes / 2;
 892                 text_wstr = (wchar_t*)text;
 893         } else {
 894                 /* File does not look like UTF-16LE.  Assume it is encoded in
 895                  * the current Windows code page.  I think these are always
 896                  * ASCII-compatible, so any so-called "plain-text" (ASCII) files
 897                  * should work as expected. */
 898                 text_wstr = win32_mbs_to_wcs(text,
 899                                              num_bytes,
 900                                              &num_wchars);
 901                 free(text);
 902         }
 903         *num_tchars_ret = num_wchars;
 904         return text_wstr;
 905 #endif /* __WIN32__ */
 906 }
 907
 908 static tchar *
 909 file_get_text_contents(const tchar *filename, size_t *num_tchars_ret)
 910 {
 911         char *contents;
 912         size_t num_bytes;
 913
 914         contents = file_get_contents(filename, &num_bytes);
 915         if (!contents)
 916                 return NULL;
 917         return translate_text_to_tstr(contents, num_bytes, num_tchars_ret);
 918 }
 919
 920 static tchar *
 921 stdin_get_text_contents(size_t *num_tchars_ret)
 922 {
 923         char *contents;
 924         size_t num_bytes;
 925
 926         contents = stdin_get_contents(&num_bytes);
 927         if (!contents)
 928                 return NULL;
 929         return translate_text_to_tstr(contents, num_bytes, num_tchars_ret);
 930 }
 931
 932 #define TO_PERCENT(numerator, denominator) \
 933         (((denominator) == 0) ? 0 : ((numerator) * 100 / (denominator)))
 934
 935 /* Given an enumerated value for WIM compression type, return a descriptive
 936  * string. */
 937 static const tchar *
 938 get_data_type(int ctype)
 939 {
 940         switch (ctype) {
 941         case WIMLIB_COMPRESSION_TYPE_NONE:
 942                 return T("uncompressed");
 943         case WIMLIB_COMPRESSION_TYPE_LZX:
 944                 return T("LZX-compressed");
 945         case WIMLIB_COMPRESSION_TYPE_XPRESS:
 946                 return T("XPRESS-compressed");
 947         }
 948         return NULL;
 949 }
 950
 951 #define GIBIBYTE_MIN_NBYTES 10000000000ULL
 952 #define MEBIBYTE_MIN_NBYTES 10000000ULL
 953 #define KIBIBYTE_MIN_NBYTES 10000ULL
 954
 955 static unsigned
 956 get_unit(uint64_t total_bytes, const tchar **name_ret)
 957 {
 958         if (total_bytes >= GIBIBYTE_MIN_NBYTES) {
 959                 *name_ret = T("GiB");
 960                 return 30;
 961         } else if (total_bytes >= MEBIBYTE_MIN_NBYTES) {
 962                 *name_ret = T("MiB");
 963                 return 20;
 964         } else if (total_bytes >= KIBIBYTE_MIN_NBYTES) {
 965                 *name_ret = T("KiB");
 966                 return 10;
 967         } else {
 968                 *name_ret = T("bytes");
 969                 return 0;
 970         }
 971 }
 972
 973 /* Progress callback function passed to various wimlib functions. */
 974 static int
 975 imagex_progress_func(enum wimlib_progress_msg msg,
 976                      const union wimlib_progress_info *info)
 977 {
 978         unsigned percent_done;
 979         unsigned unit_shift;
 980         const tchar *unit_name;
 981         if (imagex_be_quiet)
 982                 return 0;
 983         switch (msg) {
 984         case WIMLIB_PROGRESS_MSG_WRITE_STREAMS:
 985                 unit_shift = get_unit(info->write_streams.total_bytes, &unit_name);
 986                 percent_done = TO_PERCENT(info->write_streams.completed_bytes,
 987                                           info->write_streams.total_bytes);
 988                 if (info->write_streams.completed_streams == 0) {
 989                         const tchar *data_type;
 990
 991                         data_type = get_data_type(info->write_streams.compression_type);
 992                         imagex_printf(T("Writing %"TS" data using %u thread%"TS"\n"),
 993                                 data_type, info->write_streams.num_threads,
 994                                 (info->write_streams.num_threads == 1) ? T("") : T("s"));
 995                 }
 996                 imagex_printf(T("\r%"PRIu64" %"TS" of %"PRIu64" %"TS" (uncompressed) "
 997                         "written (%u%% done)"),
 998                         info->write_streams.completed_bytes >> unit_shift,
 999                         unit_name,
1000                         info->write_streams.total_bytes >> unit_shift,
1001                         unit_name,
1002                         percent_done);
1003                 if (info->write_streams.completed_bytes >= info->write_streams.total_bytes)
1004                         imagex_printf(T("\n"));
1005                 break;
1006         case WIMLIB_PROGRESS_MSG_SCAN_BEGIN:
1007                 imagex_printf(T("Scanning \"%"TS"\""), info->scan.source);
1008                 if (*info->scan.wim_target_path) {
1009                         imagex_printf(T(" (loading as WIM path: "
1010                                   "\""WIMLIB_WIM_PATH_SEPARATOR_STRING"%"TS"\")...\n"),
1011                                info->scan.wim_target_path);
1012                 } else {
1013                         imagex_printf(T(" (loading as root of WIM image)...\n"));
1014                 }
1015                 break;
1016         case WIMLIB_PROGRESS_MSG_SCAN_DENTRY:
1017                 if (info->scan.excluded)
1018                         imagex_printf(T("Excluding \"%"TS"\" from capture\n"), info->scan.cur_path);
1019                 else
1020                         imagex_printf(T("Scanning \"%"TS"\"\n"), info->scan.cur_path);
1021                 break;
1022         /*case WIMLIB_PROGRESS_MSG_SCAN_END:*/
1023                 /*break;*/
1024         case WIMLIB_PROGRESS_MSG_VERIFY_INTEGRITY:
1025                 unit_shift = get_unit(info->integrity.total_bytes, &unit_name);
1026                 percent_done = TO_PERCENT(info->integrity.completed_bytes,
1027                                           info->integrity.total_bytes);
1028                 imagex_printf(T("\rVerifying integrity of \"%"TS"\": %"PRIu64" %"TS" "
1029                         "of %"PRIu64" %"TS" (%u%%) done"),
1030                         info->integrity.filename,
1031                         info->integrity.completed_bytes >> unit_shift,
1032                         unit_name,
1033                         info->integrity.total_bytes >> unit_shift,
1034                         unit_name,
1035                         percent_done);
1036                 if (info->integrity.completed_bytes == info->integrity.total_bytes)
1037                         imagex_printf(T("\n"));
1038                 break;
1039         case WIMLIB_PROGRESS_MSG_CALC_INTEGRITY:
1040                 unit_shift = get_unit(info->integrity.total_bytes, &unit_name);
1041                 percent_done = TO_PERCENT(info->integrity.completed_bytes,
1042                                           info->integrity.total_bytes);
1043                 imagex_printf(T("\rCalculating integrity table for WIM: %"PRIu64" %"TS" "
1044                           "of %"PRIu64" %"TS" (%u%%) done"),
1045                         info->integrity.completed_bytes >> unit_shift,
1046                         unit_name,
1047                         info->integrity.total_bytes >> unit_shift,
1048                         unit_name,
1049                         percent_done);
1050                 if (info->integrity.completed_bytes == info->integrity.total_bytes)
1051                         imagex_printf(T("\n"));
1052                 break;
1053         case WIMLIB_PROGRESS_MSG_EXTRACT_IMAGE_BEGIN:
1054                 imagex_printf(T("Applying image %d (\"%"TS"\") from \"%"TS"\" "
1055                           "to %"TS" \"%"TS"\"\n"),
1056                         info->extract.image,
1057                         info->extract.image_name,
1058                         info->extract.wimfile_name,
1059                         ((info->extract.extract_flags & WIMLIB_EXTRACT_FLAG_NTFS) ?
1060                          T("NTFS volume") : T("directory")),
1061                         info->extract.target);
1062                 break;
1063         case WIMLIB_PROGRESS_MSG_EXTRACT_TREE_BEGIN:
1064                 imagex_printf(T("Extracting "
1065                           "\""WIMLIB_WIM_PATH_SEPARATOR_STRING"%"TS"\" from image %d (\"%"TS"\") "
1066                           "in \"%"TS"\" to \"%"TS"\"\n"),
1067                         info->extract.extract_root_wim_source_path,
1068                         info->extract.image,
1069                         info->extract.image_name,
1070                         info->extract.wimfile_name,
1071                         info->extract.target);
1072                 break;
1073         /*case WIMLIB_PROGRESS_MSG_EXTRACT_DIR_STRUCTURE_BEGIN:*/
1074                 /*imagex_printf(T("Applying directory structure to %"TS"\n"),*/
1075                         /*info->extract.target);*/
1076                 /*break;*/
1077         case WIMLIB_PROGRESS_MSG_EXTRACT_STREAMS:
1078                 percent_done = TO_PERCENT(info->extract.completed_bytes,
1079                                           info->extract.total_bytes);
1080                 unit_shift = get_unit(info->extract.total_bytes, &unit_name);
1081                 imagex_printf(T("\rExtracting files: "
1082                           "%"PRIu64" %"TS" of %"PRIu64" %"TS" (%u%%) done"),
1083                         info->extract.completed_bytes >> unit_shift,
1084                         unit_name,
1085                         info->extract.total_bytes >> unit_shift,
1086                         unit_name,
1087                         percent_done);
1088                 if (info->extract.completed_bytes >= info->extract.total_bytes)
1089                         imagex_printf(T("\n"));
1090                 break;
1091         case WIMLIB_PROGRESS_MSG_APPLY_TIMESTAMPS:
1092                 if (info->extract.extract_root_wim_source_path[0] == T('\0'))
1093                         imagex_printf(T("Setting timestamps on all extracted files...\n"));
1094                 break;
1095         case WIMLIB_PROGRESS_MSG_EXTRACT_IMAGE_END:
1096                 if (info->extract.extract_flags & WIMLIB_EXTRACT_FLAG_NTFS) {
1097                         imagex_printf(T("Unmounting NTFS volume \"%"TS"\"...\n"),
1098                                 info->extract.target);
1099                 }
1100                 break;
1101         case WIMLIB_PROGRESS_MSG_JOIN_STREAMS:
1102                 percent_done = TO_PERCENT(info->join.completed_bytes,
1103                                           info->join.total_bytes);
1104                 unit_shift = get_unit(info->join.total_bytes, &unit_name);
1105                 imagex_printf(T("Writing resources from part %u of %u: "
1106                           "%"PRIu64 " %"TS" of %"PRIu64" %"TS" (%u%%) written\n"),
1107                         (info->join.completed_parts == info->join.total_parts) ?
1108                         info->join.completed_parts : info->join.completed_parts + 1,
1109                         info->join.total_parts,
1110                         info->join.completed_bytes >> unit_shift,
1111                         unit_name,
1112                         info->join.total_bytes >> unit_shift,
1113                         unit_name,
1114                         percent_done);
1115                 break;
1116         case WIMLIB_PROGRESS_MSG_SPLIT_BEGIN_PART:
1117                 percent_done = TO_PERCENT(info->split.completed_bytes,
1118                                           info->split.total_bytes);
1119                 unit_shift = get_unit(info->split.total_bytes, &unit_name);
1120                 imagex_printf(T("Writing \"%"TS"\" (part %u of %u): %"PRIu64" %"TS" of "
1121                           "%"PRIu64" %"TS" (%u%%) written\n"),
1122                         info->split.part_name,
1123                         info->split.cur_part_number,
1124                         info->split.total_parts,
1125                         info->split.completed_bytes >> unit_shift,
1126                         unit_name,
1127                         info->split.total_bytes >> unit_shift,
1128                         unit_name,
1129                         percent_done);
1130                 break;
1131         case WIMLIB_PROGRESS_MSG_SPLIT_END_PART:
1132                 if (info->split.completed_bytes == info->split.total_bytes) {
1133                         imagex_printf(T("Finished writing part %u of %u WIM parts\n"),
1134                                 info->split.cur_part_number,
1135                                 info->split.total_parts);
1136                 }
1137                 break;
1138         case WIMLIB_PROGRESS_MSG_UPDATE_END_COMMAND:
1139                 switch (info->update.command->op) {
1140                 case WIMLIB_UPDATE_OP_DELETE:
1141                         imagex_printf(T("Deleted WIM path "
1142                                   "\""WIMLIB_WIM_PATH_SEPARATOR_STRING "%"TS"\"\n"),
1143                                 info->update.command->delete.wim_path);
1144                         break;
1145                 case WIMLIB_UPDATE_OP_RENAME:
1146                         imagex_printf(T("Renamed WIM path "
1147                                   "\""WIMLIB_WIM_PATH_SEPARATOR_STRING "%"TS"\" => "
1148                                   "\""WIMLIB_WIM_PATH_SEPARATOR_STRING "%"TS"\"\n"),
1149                                 info->update.command->rename.wim_source_path,
1150                                 info->update.command->rename.wim_target_path);
1151                         break;
1152                 case WIMLIB_UPDATE_OP_ADD:
1153                 default:
1154                         break;
1155                 }
1156                 break;
1157         default:
1158                 break;
1159         }
1160         fflush(imagex_info_file);
1161         return 0;
1162 }
1163
1164 /* Open all the split WIM parts that correspond to a file glob.
1165  *
1166  * @first_part specifies the first part of the split WIM and it may be either
1167  * included or omitted from the glob. */
1168 static int
1169 open_swms_from_glob(const tchar *swm_glob,
1170                     const tchar *first_part,
1171                     int open_flags,
1172                     WIMStruct ***additional_swms_ret,
1173                     unsigned *num_additional_swms_ret)
1174 {
1175         unsigned num_additional_swms = 0;
1176         WIMStruct **additional_swms = NULL;
1177         glob_t globbuf;
1178         int ret;
1179
1180         /* Warning: glob() is replaced in Windows native builds */
1181         ret = tglob(swm_glob, GLOB_ERR | GLOB_NOSORT, NULL, &globbuf);
1182         if (ret) {
1183                 if (ret == GLOB_NOMATCH) {
1184                         imagex_error(T("Found no files for glob \"%"TS"\""),
1185                                      swm_glob);
1186                 } else {
1187                         imagex_error_with_errno(T("Failed to process glob \"%"TS"\""),
1188                                                 swm_glob);
1189                 }
1190                 ret = -1;
1191                 goto out;
1192         }
1193         num_additional_swms = globbuf.gl_pathc;
1194         additional_swms = calloc(num_additional_swms, sizeof(additional_swms[0]));
1195         if (!additional_swms) {
1196                 imagex_error(T("Out of memory"));
1197                 ret = -1;
1198                 goto out_globfree;
1199         }
1200         unsigned offset = 0;
1201         for (unsigned i = 0; i < num_additional_swms; i++) {
1202                 if (tstrcmp(globbuf.gl_pathv[i], first_part) == 0) {
1203                         offset++;
1204                         continue;
1205                 }
1206                 ret = wimlib_open_wim(globbuf.gl_pathv[i],
1207                                       open_flags | WIMLIB_OPEN_FLAG_SPLIT_OK,
1208                                       &additional_swms[i - offset],
1209                                       imagex_progress_func);
1210                 if (ret)
1211                         goto out_close_swms;
1212         }
1213         *additional_swms_ret = additional_swms;
1214         *num_additional_swms_ret = num_additional_swms - offset;
1215         ret = 0;
1216         goto out_globfree;
1217 out_close_swms:
1218         for (unsigned i = 0; i < num_additional_swms; i++)
1219                 wimlib_free(additional_swms[i]);
1220         free(additional_swms);
1221 out_globfree:
1222         globfree(&globbuf);
1223 out:
1224         return ret;
1225 }
1226
1227
1228 static unsigned
1229 parse_num_threads(const tchar *optarg)
1230 {
1231         tchar *tmp;
1232         unsigned long ul_nthreads = tstrtoul(optarg, &tmp, 10);
1233         if (ul_nthreads >= UINT_MAX || *tmp || tmp == optarg) {
1234                 imagex_error(T("Number of threads must be a non-negative integer!"));
1235                 return UINT_MAX;
1236         } else {
1237                 return ul_nthreads;
1238         }
1239 }
1240
1241 /*
1242  * Parse an option passed to an update command.
1243  *
1244  * @op:         One of WIMLIB_UPDATE_OP_* that indicates the command being
1245  *              parsed.
1246  *
1247  * @option:     Text string for the option (beginning with --)
1248  *
1249  * @cmd:        `struct wimlib_update_command' that is being constructed for
1250  *              this command.
1251  *
1252  * Returns true if the option was recognized; false if not.
1253  */
1254 static bool
1255 update_command_add_option(int op, const tchar *option,
1256                           struct wimlib_update_command *cmd)
1257 {
1258         bool recognized = true;
1259         switch (op) {
1260         case WIMLIB_UPDATE_OP_ADD:
1261                 if (!tstrcmp(option, T("--verbose")))
1262                         cmd->add.add_flags |= WIMLIB_ADD_IMAGE_FLAG_VERBOSE;
1263                 else if (!tstrcmp(option, T("--unix-data")))
1264                         cmd->add.add_flags |= WIMLIB_ADD_IMAGE_FLAG_UNIX_DATA;
1265                 else if (!tstrcmp(option, T("--no-acls")) || !tstrcmp(option, T("--noacls")))
1266                         cmd->add.add_flags |= WIMLIB_ADD_IMAGE_FLAG_NO_ACLS;
1267                 else if (!tstrcmp(option, T("--strict-acls")))
1268                         cmd->add.add_flags |= WIMLIB_ADD_IMAGE_FLAG_STRICT_ACLS;
1269                 else if (!tstrcmp(option, T("--dereference")))
1270                         cmd->add.add_flags |= WIMLIB_ADD_IMAGE_FLAG_DEREFERENCE;
1271                 else
1272                         recognized = false;
1273                 break;
1274         case WIMLIB_UPDATE_OP_DELETE:
1275                 if (!tstrcmp(option, T("--force")))
1276                         cmd->delete.delete_flags |= WIMLIB_DELETE_FLAG_FORCE;
1277                 else if (!tstrcmp(option, T("--recursive")))
1278                         cmd->delete.delete_flags |= WIMLIB_DELETE_FLAG_RECURSIVE;
1279                 else
1280                         recognized = false;
1281                 break;
1282         default:
1283                 recognized = false;
1284                 break;
1285         }
1286         return recognized;
1287 }
1288
1289 /* How many nonoption arguments each `imagex update' command expects */
1290 static const unsigned update_command_num_nonoptions[] = {
1291         [WIMLIB_UPDATE_OP_ADD] = 2,
1292         [WIMLIB_UPDATE_OP_DELETE] = 1,
1293         [WIMLIB_UPDATE_OP_RENAME] = 2,
1294 };
1295
1296 static void
1297 update_command_add_nonoption(int op, const tchar *nonoption,
1298                              struct wimlib_update_command *cmd,
1299                              unsigned num_nonoptions)
1300 {
1301         switch (op) {
1302         case WIMLIB_UPDATE_OP_ADD:
1303                 if (num_nonoptions == 0)
1304                         cmd->add.fs_source_path = (tchar*)nonoption;
1305                 else
1306                         cmd->add.wim_target_path = (tchar*)nonoption;
1307                 break;
1308         case WIMLIB_UPDATE_OP_DELETE:
1309                 cmd->delete.wim_path = (tchar*)nonoption;
1310                 break;
1311         case WIMLIB_UPDATE_OP_RENAME:
1312                 if (num_nonoptions == 0)
1313                         cmd->rename.wim_source_path = (tchar*)nonoption;
1314                 else
1315                         cmd->rename.wim_target_path = (tchar*)nonoption;
1316                 break;
1317         }
1318 }
1319
1320 /*
1321  * Parse a command passed on stdin to `imagex update'.
1322  *
1323  * @line:       Text of the command.
1324  * @len:        Length of the line, including a null terminator
1325  *              at line[len - 1].
1326  *
1327  * @command:    A `struct wimlib_update_command' to fill in from the parsed
1328  *              line.
1329  *
1330  * @line_number: Line number of the command, for diagnostics.
1331  *
1332  * Returns true on success; returns false on parse error.
1333  */
1334 static bool
1335 parse_update_command(tchar *line, size_t len,
1336                      struct wimlib_update_command *command,
1337                      size_t line_number)
1338 {
1339         int ret;
1340         tchar *command_name;
1341         int op;
1342         size_t num_nonoptions;
1343
1344         /* Get the command name ("add", "delete", "rename") */
1345         ret = parse_string(&line, &len, &command_name);
1346         if (ret != PARSE_STRING_SUCCESS)
1347                 return false;
1348
1349         if (!tstrcasecmp(command_name, T("add"))) {
1350                 op = WIMLIB_UPDATE_OP_ADD;
1351         } else if (!tstrcasecmp(command_name, T("delete"))) {
1352                 op = WIMLIB_UPDATE_OP_DELETE;
1353         } else if (!tstrcasecmp(command_name, T("rename"))) {
1354                 op = WIMLIB_UPDATE_OP_RENAME;
1355         } else {
1356                 imagex_error(T("Unknown update command \"%"TS"\" on line %zu"),
1357                              command_name, line_number);
1358                 return false;
1359         }
1360         command->op = op;
1361
1362         /* Parse additional options and non-options as needed */
1363         num_nonoptions = 0;
1364         for (;;) {
1365                 tchar *next_string;
1366
1367                 ret = parse_string(&line, &len, &next_string);
1368                 if (ret == PARSE_STRING_NONE) /* End of line */
1369                         break;
1370                 else if (ret != PARSE_STRING_SUCCESS) /* Parse failure */
1371                         return false;
1372                 if (next_string[0] == T('-') && next_string[1] == T('-')) {
1373                         /* Option */
1374                         if (!update_command_add_option(op, next_string, command))
1375                         {
1376                                 imagex_error(T("Unrecognized option \"%"TS"\" to "
1377                                                "update command \"%"TS"\" on line %zu"),
1378                                              next_string, command_name, line_number);
1379
1380                                 return false;
1381                         }
1382                 } else {
1383                         /* Nonoption */
1384                         if (num_nonoptions == update_command_num_nonoptions[op])
1385                         {
1386                                 imagex_error(T("Unexpected argument \"%"TS"\" in "
1387                                                "update command on line %zu\n"
1388                                                "       (The \"%"TS"\" command only "
1389                                                "takes %zu nonoption arguments!)\n"),
1390                                              next_string, line_number,
1391                                              command_name, num_nonoptions);
1392                                 return false;
1393                         }
1394                         update_command_add_nonoption(op, next_string,
1395                                                      command, num_nonoptions);
1396                         num_nonoptions++;
1397                 }
1398         }
1399
1400         if (num_nonoptions != update_command_num_nonoptions[op]) {
1401                 imagex_error(T("Not enough arguments to update command "
1402                                "\"%"TS"\" on line %zu"), command_name, line_number);
1403                 return false;
1404         }
1405         return true;
1406 }
1407
1408 static struct wimlib_update_command *
1409 parse_update_command_file(tchar **cmd_file_contents_p, size_t cmd_file_nchars,
1410                           size_t *num_cmds_ret)
1411 {
1412         ssize_t nlines;
1413         tchar *p;
1414         struct wimlib_update_command *cmds;
1415         size_t i, j;
1416
1417         nlines = text_file_count_lines(cmd_file_contents_p,
1418                                        &cmd_file_nchars);
1419         if (nlines < 0)
1420                 return NULL;
1421
1422         /* Always allocate at least 1 slot, just in case the implementation of
1423          * calloc() returns NULL if 0 bytes are requested. */
1424         cmds = calloc(nlines ?: 1, sizeof(struct wimlib_update_command));
1425         if (!cmds) {
1426                 imagex_error(T("out of memory"));
1427                 return NULL;
1428         }
1429         p = *cmd_file_contents_p;
1430         j = 0;
1431         for (i = 0; i < nlines; i++) {
1432                 /* XXX: Could use rawmemchr() here instead, but it may not be
1433                  * available on all platforms. */
1434                 tchar *endp = tmemchr(p, T('\n'), cmd_file_nchars);
1435                 size_t len = endp - p + 1;
1436                 *endp = T('\0');
1437                 if (!is_comment_line(p, len)) {
1438                         if (!parse_update_command(p, len, &cmds[j++], i + 1)) {
1439                                 free(cmds);
1440                                 return NULL;
1441                         }
1442                 }
1443                 p = endp + 1;
1444         }
1445         *num_cmds_ret = j;
1446         return cmds;
1447 }
1448
1449 /* Apply one image, or all images, from a WIM file into a directory, OR apply
1450  * one image from a WIM file to a NTFS volume.  */
1451 static int
1452 imagex_apply(int argc, tchar **argv, int cmd)
1453 {
1454         int c;
1455         int open_flags = WIMLIB_OPEN_FLAG_SPLIT_OK;
1456         int image;
1457         WIMStruct *wim;
1458         int ret;
1459         const tchar *wimfile;
1460         const tchar *target;
1461         const tchar *image_num_or_name;
1462         int extract_flags = WIMLIB_EXTRACT_FLAG_SEQUENTIAL;
1463
1464         const tchar *swm_glob = NULL;
1465         WIMStruct **additional_swms;
1466         unsigned num_additional_swms;
1467
1468         for_opt(c, apply_options) {
1469                 switch (c) {
1470                 case IMAGEX_CHECK_OPTION:
1471                         open_flags |= WIMLIB_OPEN_FLAG_CHECK_INTEGRITY;
1472                         break;
1473                 case IMAGEX_HARDLINK_OPTION:
1474                         extract_flags |= WIMLIB_EXTRACT_FLAG_HARDLINK;
1475                         break;
1476                 case IMAGEX_SYMLINK_OPTION:
1477                         extract_flags |= WIMLIB_EXTRACT_FLAG_SYMLINK;
1478                         break;
1479                 case IMAGEX_VERBOSE_OPTION:
1480                         extract_flags |= WIMLIB_EXTRACT_FLAG_VERBOSE;
1481                         break;
1482                 case IMAGEX_REF_OPTION:
1483                         swm_glob = optarg;
1484                         break;
1485                 case IMAGEX_UNIX_DATA_OPTION:
1486                         extract_flags |= WIMLIB_EXTRACT_FLAG_UNIX_DATA;
1487                         break;
1488                 case IMAGEX_NO_ACLS_OPTION:
1489                         extract_flags |= WIMLIB_EXTRACT_FLAG_NO_ACLS;
1490                         break;
1491                 case IMAGEX_STRICT_ACLS_OPTION:
1492                         extract_flags |= WIMLIB_EXTRACT_FLAG_STRICT_ACLS;
1493                         break;
1494                 case IMAGEX_NORPFIX_OPTION:
1495                         extract_flags |= WIMLIB_EXTRACT_FLAG_NORPFIX;
1496                         break;
1497                 case IMAGEX_RPFIX_OPTION:
1498                         extract_flags |= WIMLIB_EXTRACT_FLAG_RPFIX;
1499                         break;
1500                 case IMAGEX_INCLUDE_INVALID_NAMES_OPTION:
1501                         extract_flags |= WIMLIB_EXTRACT_FLAG_REPLACE_INVALID_FILENAMES;
1502                         extract_flags |= WIMLIB_EXTRACT_FLAG_ALL_CASE_CONFLICTS;
1503                         break;
1504                 default:
1505                         goto out_usage;
1506                 }
1507         }
1508         argc -= optind;
1509         argv += optind;
1510         if (argc != 2 && argc != 3)
1511                 goto out_usage;
1512
1513         wimfile = argv[0];
1514
1515         if (!tstrcmp(wimfile, T("-"))) {
1516                 /* Attempt to apply pipable WIM from standard input.  */
1517                 if (argc < 3) {
1518                         imagex_error(T("Imagex index or name must be explicitly "
1519                                        "specified when applying pipable WIM on "
1520                                        "standard input."));
1521                         goto out_usage;
1522                 }
1523                 image_num_or_name = argv[1];
1524                 target = argv[2];
1525                 wim = NULL;
1526                 num_additional_swms = 0;
1527                 additional_swms = NULL;
1528         } else {
1529                 ret = wimlib_open_wim(wimfile, open_flags, &wim,
1530                                       imagex_progress_func);
1531                 if (ret)
1532                         goto out;
1533
1534                 if (argc >= 3) {
1535                         /* Image explicitly specified.  */
1536                         image_num_or_name = argv[1];
1537                         image = wimlib_resolve_image(wim, image_num_or_name);
1538                         ret = verify_image_exists(image, image_num_or_name, wimfile);
1539                         if (ret)
1540                                 goto out_wimlib_free;
1541                         target = argv[2];
1542                 } else {
1543                         /* No image specified; default to image 1, but only if the WIM
1544                          * contains exactly one image.  */
1545                         struct wimlib_wim_info info;
1546
1547                         wimlib_get_wim_info(wim, &info);
1548                         if (info.image_count != 1) {
1549                                 imagex_error(T("\"%"TS"\" contains %d images; "
1550                                                "Please select one (or all)."),
1551                                              wimfile, info.image_count);
1552                                 wimlib_free(wim);
1553                                 goto out_usage;
1554                         }
1555                         image = 1;
1556                         target = argv[1];
1557                 }
1558
1559                 if (swm_glob) {
1560                         ret = open_swms_from_glob(swm_glob, wimfile, open_flags,
1561                                                   &additional_swms,
1562                                                   &num_additional_swms);
1563                         if (ret)
1564                                 goto out_wimlib_free;
1565                 } else {
1566                         additional_swms = NULL;
1567                         num_additional_swms = 0;
1568                 }
1569         }
1570
1571 #ifndef __WIN32__
1572         {
1573                 /* Interpret a regular file or block device target as a NTFS
1574                  * volume.  */
1575                 struct stat stbuf;
1576
1577                 if (tstat(target, &stbuf)) {
1578                         if (errno != ENOENT) {
1579                                 imagex_error_with_errno(T("Failed to stat \"%"TS"\""),
1580                                                         target);
1581                                 ret = -1;
1582                                 goto out_free_swms;
1583                         }
1584                 } else {
1585                         if (S_ISBLK(stbuf.st_mode) || S_ISREG(stbuf.st_mode))
1586                                 extract_flags |= WIMLIB_EXTRACT_FLAG_NTFS;
1587                 }
1588         }
1589 #endif
1590
1591 #ifdef __WIN32__
1592         win32_acquire_restore_privileges();
1593 #endif
1594         if (wim) {
1595                 ret = wimlib_extract_image(wim, image, target, extract_flags,
1596                                            additional_swms, num_additional_swms,
1597                                            imagex_progress_func);
1598         } else {
1599                 set_fd_to_binary_mode(STDIN_FILENO);
1600                 ret = wimlib_extract_image_from_pipe(STDIN_FILENO,
1601                                                      image_num_or_name,
1602                                                      target, extract_flags,
1603                                                      imagex_progress_func);
1604         }
1605         if (ret == 0)
1606                 imagex_printf(T("Done applying WIM image.\n"));
1607 #ifdef __WIN32__
1608         win32_release_restore_privileges();
1609 #endif
1610 out_free_swms:
1611         for (unsigned i = 0; i < num_additional_swms; i++)
1612                 wimlib_free(additional_swms[i]);
1613         free(additional_swms);
1614 out_wimlib_free:
1615         wimlib_free(wim);
1616 out:
1617         return ret;
1618
1619 out_usage:
1620         usage(CMD_APPLY, stderr);
1621         ret = -1;
1622         goto out;
1623 }
1624
1625 /* Create a WIM image from a directory tree, NTFS volume, or multiple files or
1626  * directory trees.  'wimlib-imagex capture': create a new WIM file containing
1627  * the desired image.  'wimlib-imagex append': add a new image to an existing
1628  * WIM file. */
1629 static int
1630 imagex_capture_or_append(int argc, tchar **argv, int cmd)
1631 {
1632         int c;
1633         int open_flags = WIMLIB_OPEN_FLAG_WRITE_ACCESS;
1634         int add_image_flags = WIMLIB_ADD_IMAGE_FLAG_EXCLUDE_VERBOSE;
1635         int write_flags = 0;
1636         int compression_type = WIMLIB_COMPRESSION_TYPE_LZX;
1637         const tchar *wimfile;
1638         int wim_fd;
1639         const tchar *name;
1640         const tchar *desc;
1641         const tchar *flags_element = NULL;
1642         WIMStruct *wim;
1643         int ret;
1644         unsigned num_threads = 0;
1645
1646         tchar *source;
1647         tchar *source_copy;
1648
1649         const tchar *config_file = NULL;
1650         tchar *config_str;
1651         struct wimlib_capture_config *config;
1652
1653         bool source_list = false;
1654         size_t source_list_nchars;
1655         tchar *source_list_contents;
1656         bool capture_sources_malloced;
1657         struct wimlib_capture_source *capture_sources;
1658         size_t num_sources;
1659         bool name_defaulted;
1660
1661         for_opt(c, capture_or_append_options) {
1662                 switch (c) {
1663                 case IMAGEX_BOOT_OPTION:
1664                         add_image_flags |= WIMLIB_ADD_IMAGE_FLAG_BOOT;
1665                         break;
1666                 case IMAGEX_CHECK_OPTION:
1667                         open_flags |= WIMLIB_OPEN_FLAG_CHECK_INTEGRITY;
1668                         write_flags |= WIMLIB_WRITE_FLAG_CHECK_INTEGRITY;
1669                         break;
1670                 case IMAGEX_NOCHECK_OPTION:
1671                         write_flags |= WIMLIB_WRITE_FLAG_NO_CHECK_INTEGRITY;
1672                         break;
1673                 case IMAGEX_CONFIG_OPTION:
1674                         config_file = optarg;
1675                         break;
1676                 case IMAGEX_COMPRESS_OPTION:
1677                         compression_type = get_compression_type(optarg);
1678                         if (compression_type == WIMLIB_COMPRESSION_TYPE_INVALID)
1679                                 goto out_err;
1680                         break;
1681                 case IMAGEX_FLAGS_OPTION:
1682                         flags_element = optarg;
1683                         break;
1684                 case IMAGEX_DEREFERENCE_OPTION:
1685                         add_image_flags |= WIMLIB_ADD_IMAGE_FLAG_DEREFERENCE;
1686                         break;
1687                 case IMAGEX_VERBOSE_OPTION:
1688                         add_image_flags |= WIMLIB_ADD_IMAGE_FLAG_VERBOSE;
1689                         break;
1690                 case IMAGEX_THREADS_OPTION:
1691                         num_threads = parse_num_threads(optarg);
1692                         if (num_threads == UINT_MAX)
1693                                 goto out_err;
1694                         break;
1695                 case IMAGEX_REBUILD_OPTION:
1696                         write_flags |= WIMLIB_WRITE_FLAG_REBUILD;
1697                         break;
1698                 case IMAGEX_UNIX_DATA_OPTION:
1699                         add_image_flags |= WIMLIB_ADD_IMAGE_FLAG_UNIX_DATA;
1700                         break;
1701                 case IMAGEX_SOURCE_LIST_OPTION:
1702                         source_list = true;
1703                         break;
1704                 case IMAGEX_NO_ACLS_OPTION:
1705                         add_image_flags |= WIMLIB_ADD_IMAGE_FLAG_NO_ACLS;
1706                         break;
1707                 case IMAGEX_STRICT_ACLS_OPTION:
1708                         add_image_flags |= WIMLIB_ADD_IMAGE_FLAG_STRICT_ACLS;
1709                         break;
1710                 case IMAGEX_RPFIX_OPTION:
1711                         add_image_flags |= WIMLIB_ADD_IMAGE_FLAG_RPFIX;
1712                         break;
1713                 case IMAGEX_NORPFIX_OPTION:
1714                         add_image_flags |= WIMLIB_ADD_IMAGE_FLAG_NORPFIX;
1715                         break;
1716                 case IMAGEX_PIPABLE_OPTION:
1717                         write_flags |= WIMLIB_WRITE_FLAG_PIPABLE;
1718                         break;
1719                 case IMAGEX_NOT_PIPABLE_OPTION:
1720                         write_flags |= WIMLIB_WRITE_FLAG_NOT_PIPABLE;
1721                         break;
1722                 default:
1723                         goto out_usage;
1724                 }
1725         }
1726         argc -= optind;
1727         argv += optind;
1728
1729         if (argc < 2 || argc > 4)
1730                 goto out_usage;
1731
1732         source = argv[0];
1733         wimfile = argv[1];
1734
1735         if (!tstrcmp(wimfile, T("-"))) {
1736         #if 0
1737                 if (!(write_flags & WIMLIB_WRITE_FLAG_PIPABLE)) {
1738                         imagex_error("Can't write a non-pipable WIM to "
1739                                      "standard output!  Specify --pipable\n"
1740                                      "       if you want to create a pipable WIM "
1741                                      "(but read the docs first).");
1742                         goto out_err;
1743                 }
1744         #else
1745                 write_flags |= WIMLIB_WRITE_FLAG_PIPABLE;
1746         #endif
1747                 if (cmd == CMD_APPEND) {
1748                         imagex_error(T("Using standard output for append does "
1749                                        "not make sense."));
1750                         goto out_err;
1751                 }
1752                 wim_fd = STDOUT_FILENO;
1753                 wimfile = NULL;
1754                 imagex_info_file = stderr;
1755         }
1756
1757         if (argc >= 3) {
1758                 name = argv[2];
1759                 name_defaulted = false;
1760         } else {
1761                 /* Set default name to SOURCE argument, omitting any directory
1762                  * prefixes and trailing slashes.  This requires making a copy
1763                  * of @source.  Leave some free characters at the end in case we
1764                  * append a number to keep the name unique. */
1765                 size_t source_name_len;
1766
1767                 source_name_len = tstrlen(source);
1768                 source_copy = alloca((source_name_len + 1 + 25) * sizeof(tchar));
1769                 name = tbasename(tstrcpy(source_copy, source));
1770                 name_defaulted = true;
1771         }
1772         /* Image description defaults to NULL if not given. */
1773         if (argc >= 4)
1774                 desc = argv[3];
1775         else
1776                 desc = NULL;
1777
1778         if (source_list) {
1779                 /* Set up capture sources in source list mode */
1780                 if (source[0] == T('-') && source[1] == T('\0')) {
1781                         source_list_contents = stdin_get_text_contents(&source_list_nchars);
1782                 } else {
1783                         source_list_contents = file_get_text_contents(source,
1784                                                                       &source_list_nchars);
1785                 }
1786                 if (!source_list_contents)
1787                         goto out_err;
1788
1789                 capture_sources = parse_source_list(&source_list_contents,
1790                                                     source_list_nchars,
1791                                                     &num_sources);
1792                 if (!capture_sources) {
1793                         ret = -1;
1794                         goto out_free_source_list_contents;
1795                 }
1796                 capture_sources_malloced = true;
1797         } else {
1798                 /* Set up capture source in non-source-list mode (could be
1799                  * either "normal" mode or "NTFS mode"--- see the man page). */
1800                 capture_sources = alloca(sizeof(struct wimlib_capture_source));
1801                 capture_sources[0].fs_source_path = source;
1802                 capture_sources[0].wim_target_path = NULL;
1803                 capture_sources[0].reserved = 0;
1804                 num_sources = 1;
1805                 capture_sources_malloced = false;
1806                 source_list_contents = NULL;
1807         }
1808
1809         if (config_file) {
1810                 size_t config_len;
1811
1812                 config_str = file_get_text_contents(config_file, &config_len);
1813                 if (!config_str) {
1814                         ret = -1;
1815                         goto out_free_capture_sources;
1816                 }
1817
1818                 config = alloca(sizeof(*config));
1819                 ret = parse_capture_config(&config_str, config_len, config);
1820                 if (ret)
1821                         goto out_free_config;
1822         } else {
1823                 config = &default_capture_config;
1824         }
1825
1826         if (cmd == CMD_APPEND)
1827                 ret = wimlib_open_wim(wimfile, open_flags, &wim,
1828                                       imagex_progress_func);
1829         else
1830                 ret = wimlib_create_new_wim(compression_type, &wim);
1831         if (ret)
1832                 goto out_free_config;
1833
1834 #ifndef __WIN32__
1835         if (!source_list) {
1836                 struct stat stbuf;
1837
1838                 if (tstat(source, &stbuf) == 0) {
1839                         if (S_ISBLK(stbuf.st_mode) || S_ISREG(stbuf.st_mode)) {
1840                                 imagex_printf(T("Capturing WIM image from NTFS "
1841                                           "filesystem on \"%"TS"\"\n"), source);
1842                                 add_image_flags |= WIMLIB_ADD_IMAGE_FLAG_NTFS;
1843                         }
1844                 } else {
1845                         if (errno != ENOENT) {
1846                                 imagex_error_with_errno(T("Failed to stat "
1847                                                           "\"%"TS"\""), source);
1848                                 ret = -1;
1849                                 goto out_wimlib_free;
1850                         }
1851                 }
1852         }
1853 #endif
1854
1855         if (cmd == CMD_APPEND && name_defaulted) {
1856                 /* If the user did not specify an image name, and the basename
1857                  * of the source already exists as an image name in the WIM
1858                  * file, append a suffix to make it unique. */
1859                 unsigned long conflict_idx;
1860                 tchar *name_end = tstrchr(name, T('\0'));
1861                 for (conflict_idx = 1;
1862                      wimlib_image_name_in_use(wim, name);
1863                      conflict_idx++)
1864                 {
1865                         tsprintf(name_end, T(" (%lu)"), conflict_idx);
1866                 }
1867         }
1868 #ifdef __WIN32__
1869         win32_acquire_capture_privileges();
1870 #endif
1871
1872         ret = wimlib_add_image_multisource(wim,
1873                                            capture_sources,
1874                                            num_sources,
1875                                            name,
1876                                            config,
1877                                            add_image_flags,
1878                                            imagex_progress_func);
1879         if (ret)
1880                 goto out_release_privs;
1881
1882         if (desc || flags_element) {
1883                 /* User provided <DESCRIPTION> or <FLAGS> element.  Get the
1884                  * index of the image we just added, then use it to call the
1885                  * appropriate functions.  */
1886                 struct wimlib_wim_info info;
1887
1888                 wimlib_get_wim_info(wim, &info);
1889
1890                 if (desc) {
1891                         ret = wimlib_set_image_descripton(wim,
1892                                                           info.image_count,
1893                                                           desc);
1894                         if (ret)
1895                                 goto out_release_privs;
1896                 }
1897
1898                 if (flags_element) {
1899                         ret = wimlib_set_image_flags(wim, info.image_count,
1900                                                      flags_element);
1901                         if (ret)
1902                                 goto out_release_privs;
1903                 }
1904         }
1905
1906         /* Write the new WIM or overwrite the existing WIM with the new image
1907          * appended.  */
1908         if (cmd == CMD_APPEND) {
1909                 ret = wimlib_overwrite(wim, write_flags, num_threads,
1910                                        imagex_progress_func);
1911         } else if (wimfile) {
1912                 ret = wimlib_write(wim, wimfile, WIMLIB_ALL_IMAGES,
1913                                    write_flags, num_threads,
1914                                    imagex_progress_func);
1915         } else {
1916                 ret = wimlib_write_to_fd(wim, wim_fd, WIMLIB_ALL_IMAGES,
1917                                          write_flags, num_threads,
1918                                          imagex_progress_func);
1919         }
1920 out_release_privs:
1921 #ifdef __WIN32__
1922         win32_release_capture_privileges();
1923 #endif
1924 out_wimlib_free:
1925         wimlib_free(wim);
1926 out_free_config:
1927         if (config != &default_capture_config) {
1928                 free(config->exclusion_pats.pats);
1929                 free(config->exclusion_exception_pats.pats);
1930                 free(config_str);
1931         }
1932 out_free_capture_sources:
1933         if (capture_sources_malloced)
1934                 free(capture_sources);
1935 out_free_source_list_contents:
1936         free(source_list_contents);
1937 out:
1938         return ret;
1939
1940 out_usage:
1941         usage(cmd, stderr);
1942 out_err:
1943         ret = -1;
1944         goto out;
1945 }
1946
1947 /* Remove image(s) from a WIM. */
1948 static int
1949 imagex_delete(int argc, tchar **argv, int cmd)
1950 {
1951         int c;
1952         int open_flags = WIMLIB_OPEN_FLAG_WRITE_ACCESS;
1953         int write_flags = 0;
1954         const tchar *wimfile;
1955         const tchar *image_num_or_name;
1956         WIMStruct *wim;
1957         int image;
1958         int ret;
1959
1960         for_opt(c, delete_options) {
1961                 switch (c) {
1962                 case IMAGEX_CHECK_OPTION:
1963                         open_flags |= WIMLIB_OPEN_FLAG_CHECK_INTEGRITY;
1964                         write_flags |= WIMLIB_WRITE_FLAG_CHECK_INTEGRITY;
1965                         break;
1966                 case IMAGEX_SOFT_OPTION:
1967                         write_flags |= WIMLIB_WRITE_FLAG_SOFT_DELETE;
1968                         break;
1969                 default:
1970                         goto out_usage;
1971                 }
1972         }
1973         argc -= optind;
1974         argv += optind;
1975
1976         if (argc != 2) {
1977                 if (argc < 1)
1978                         imagex_error(T("Must specify a WIM file"));
1979                 if (argc < 2)
1980                         imagex_error(T("Must specify an image"));
1981                 goto out_usage;
1982         }
1983         wimfile = argv[0];
1984         image_num_or_name = argv[1];
1985
1986         ret = wimlib_open_wim(wimfile, open_flags, &wim,
1987                               imagex_progress_func);
1988         if (ret)
1989                 goto out;
1990
1991         image = wimlib_resolve_image(wim, image_num_or_name);
1992
1993         ret = verify_image_exists(image, image_num_or_name, wimfile);
1994         if (ret)
1995                 goto out_wimlib_free;
1996
1997         ret = wimlib_delete_image(wim, image);
1998         if (ret) {
1999                 imagex_error(T("Failed to delete image from \"%"TS"\""),
2000                              wimfile);
2001                 goto out_wimlib_free;
2002         }
2003
2004         ret = wimlib_overwrite(wim, write_flags, 0, imagex_progress_func);
2005         if (ret) {
2006                 imagex_error(T("Failed to write the file \"%"TS"\" with image "
2007                                "deleted"), wimfile);
2008         }
2009 out_wimlib_free:
2010         wimlib_free(wim);
2011 out:
2012         return ret;
2013
2014 out_usage:
2015         usage(CMD_DELETE, stderr);
2016         ret = -1;
2017         goto out;
2018 }
2019
2020 static int
2021 print_full_path(const struct wimlib_dir_entry *wdentry, void *_ignore)
2022 {
2023         int ret = tprintf(T("%"TS"\n"), wdentry->full_path);
2024         return (ret >= 0) ? 0 : -1;
2025 }
2026
2027 /* Print the files contained in an image(s) in a WIM file. */
2028 static int
2029 imagex_dir(int argc, tchar **argv, int cmd)
2030 {
2031         const tchar *wimfile;
2032         WIMStruct *wim = NULL;
2033         int image;
2034         int ret;
2035         const tchar *path = T("");
2036         int c;
2037
2038         for_opt(c, dir_options) {
2039                 switch (c) {
2040                 case IMAGEX_PATH_OPTION:
2041                         path = optarg;
2042                         break;
2043                 default:
2044                         goto out_usage;
2045                 }
2046         }
2047         argc -= optind;
2048         argv += optind;
2049
2050         if (argc < 1) {
2051                 imagex_error(T("Must specify a WIM file"));
2052                 goto out_usage;
2053         }
2054         if (argc > 2) {
2055                 imagex_error(T("Too many arguments"));
2056                 goto out_usage;
2057         }
2058
2059         wimfile = argv[0];
2060         ret = wimlib_open_wim(wimfile, WIMLIB_OPEN_FLAG_SPLIT_OK, &wim,
2061                               imagex_progress_func);
2062         if (ret)
2063                 goto out;
2064
2065         if (argc >= 2) {
2066                 image = wimlib_resolve_image(wim, argv[1]);
2067                 ret = verify_image_exists(image, argv[1], wimfile);
2068                 if (ret)
2069                         goto out_wimlib_free;
2070         } else {
2071                 /* No image specified; default to image 1, but only if the WIM
2072                  * contains exactly one image.  */
2073
2074                 struct wimlib_wim_info info;
2075
2076                 wimlib_get_wim_info(wim, &info);
2077                 if (info.image_count != 1) {
2078                         imagex_error(T("\"%"TS"\" contains %d images; Please "
2079                                        "select one (or all)."),
2080                                      wimfile, info.image_count);
2081                         wimlib_free(wim);
2082                         goto out_usage;
2083                 }
2084                 image = 1;
2085         }
2086
2087         ret = wimlib_iterate_dir_tree(wim, image, path,
2088                                       WIMLIB_ITERATE_DIR_TREE_FLAG_RECURSIVE,
2089                                       print_full_path, NULL);
2090 out_wimlib_free:
2091         wimlib_free(wim);
2092 out:
2093         return ret;
2094
2095 out_usage:
2096         usage(CMD_DIR, stderr);
2097         ret = -1;
2098         goto out;
2099 }
2100
2101 /* Exports one, or all, images from a WIM file to a new WIM file or an existing
2102  * WIM file. */
2103 static int
2104 imagex_export(int argc, tchar **argv, int cmd)
2105 {
2106         int c;
2107         int open_flags = 0;
2108         int export_flags = 0;
2109         int write_flags = 0;
2110         int compression_type = WIMLIB_COMPRESSION_TYPE_INVALID;
2111         const tchar *src_wimfile;
2112         const tchar *src_image_num_or_name;
2113         const tchar *dest_wimfile;
2114         int dest_wim_fd;
2115         const tchar *dest_name;
2116         const tchar *dest_desc;
2117         WIMStruct *src_wim;
2118         WIMStruct *dest_wim;
2119         int ret;
2120         int image;
2121         struct stat stbuf;
2122         bool wim_is_new;
2123         const tchar *swm_glob = NULL;
2124         WIMStruct **additional_swms;
2125         unsigned num_additional_swms;
2126         unsigned num_threads = 0;
2127
2128         for_opt(c, export_options) {
2129                 switch (c) {
2130                 case IMAGEX_BOOT_OPTION:
2131                         export_flags |= WIMLIB_EXPORT_FLAG_BOOT;
2132                         break;
2133                 case IMAGEX_CHECK_OPTION:
2134                         open_flags |= WIMLIB_OPEN_FLAG_CHECK_INTEGRITY;
2135                         write_flags |= WIMLIB_WRITE_FLAG_CHECK_INTEGRITY;
2136                         break;
2137                 case IMAGEX_NOCHECK_OPTION:
2138                         write_flags |= WIMLIB_WRITE_FLAG_NO_CHECK_INTEGRITY;
2139                         break;
2140                 case IMAGEX_COMPRESS_OPTION:
2141                         compression_type = get_compression_type(optarg);
2142                         if (compression_type == WIMLIB_COMPRESSION_TYPE_INVALID)
2143                                 goto out_err;
2144                         break;
2145                 case IMAGEX_REF_OPTION:
2146                         swm_glob = optarg;
2147                         break;
2148                 case IMAGEX_THREADS_OPTION:
2149                         num_threads = parse_num_threads(optarg);
2150                         if (num_threads == UINT_MAX)
2151                                 goto out_err;
2152                         break;
2153                 case IMAGEX_REBUILD_OPTION:
2154                         write_flags |= WIMLIB_WRITE_FLAG_REBUILD;
2155                         break;
2156                 case IMAGEX_PIPABLE_OPTION:
2157                         write_flags |= WIMLIB_WRITE_FLAG_PIPABLE;
2158                         break;
2159                 case IMAGEX_NOT_PIPABLE_OPTION:
2160                         write_flags |= WIMLIB_WRITE_FLAG_NOT_PIPABLE;
2161                         break;
2162                 default:
2163                         goto out_usage;
2164                 }
2165         }
2166         argc -= optind;
2167         argv += optind;
2168         if (argc < 3 || argc > 5)
2169                 goto out_usage;
2170         src_wimfile           = argv[0];
2171         src_image_num_or_name = argv[1];
2172         dest_wimfile          = argv[2];
2173         dest_name             = (argc >= 4) ? argv[3] : NULL;
2174         dest_desc             = (argc >= 5) ? argv[4] : NULL;
2175         ret = wimlib_open_wim(src_wimfile,
2176                               open_flags | WIMLIB_OPEN_FLAG_SPLIT_OK, &src_wim,
2177                               imagex_progress_func);
2178         if (ret)
2179                 goto out;
2180
2181         /* Determine if the destination is an existing file or not.  If so, we
2182          * try to append the exported image(s) to it; otherwise, we create a new
2183          * WIM containing the exported image(s).  Furthermore, determine if we
2184          * need to write a pipable WIM directly to standard output.  */
2185
2186         if (tstrcmp(dest_wimfile, T("-")) == 0) {
2187         #if 0
2188                 if (!(write_flags & WIMLIB_WRITE_FLAG_PIPABLE)) {
2189                         imagex_error("Can't write a non-pipable WIM to "
2190                                      "standard output!  Specify --pipable\n"
2191                                      "       if you want to create a pipable WIM "
2192                                      "(but read the docs first).");
2193                         ret = -1;
2194                         goto out_free_src_wim;
2195                 }
2196         #else
2197                 write_flags |= WIMLIB_WRITE_FLAG_PIPABLE;
2198         #endif
2199                 dest_wimfile = NULL;
2200                 dest_wim_fd = STDOUT_FILENO;
2201                 imagex_info_file = stderr;
2202         }
2203         errno = ENOENT;
2204         if (dest_wimfile != NULL && tstat(dest_wimfile, &stbuf) == 0) {
2205                 wim_is_new = false;
2206                 /* Destination file exists. */
2207
2208                 if (!S_ISREG(stbuf.st_mode)) {
2209                         imagex_error(T("\"%"TS"\" is not a regular file"),
2210                                      dest_wimfile);
2211                         ret = -1;
2212                         goto out_free_src_wim;
2213                 }
2214                 ret = wimlib_open_wim(dest_wimfile, open_flags | WIMLIB_OPEN_FLAG_WRITE_ACCESS,
2215                                       &dest_wim, imagex_progress_func);
2216                 if (ret)
2217                         goto out_free_src_wim;
2218
2219                 if (compression_type != WIMLIB_COMPRESSION_TYPE_INVALID) {
2220                         /* The user specified a compression type, but we're
2221                          * exporting to an existing WIM.  Make sure the
2222                          * specified compression type is the same as the
2223                          * compression type of the existing destination WIM. */
2224                         struct wimlib_wim_info dest_info;
2225
2226                         wimlib_get_wim_info(dest_wim, &dest_info);
2227                         if (compression_type != dest_info.compression_type) {
2228                                 imagex_error(T("Cannot specify a compression type that is "
2229                                                "not the same as that used in the "
2230                                                "destination WIM"));
2231                                 ret = -1;
2232                                 goto out_free_dest_wim;
2233                         }
2234                 }
2235         } else {
2236                 wim_is_new = true;
2237
2238                 if (errno != ENOENT) {
2239                         imagex_error_with_errno(T("Cannot stat file \"%"TS"\""),
2240                                                 dest_wimfile);
2241                         ret = -1;
2242                         goto out_free_src_wim;
2243                 }
2244
2245                 /* dest_wimfile is not an existing file, so create a new WIM. */
2246
2247                 if (compression_type == WIMLIB_COMPRESSION_TYPE_INVALID) {
2248                         /* The user did not specify a compression type; default
2249                          * to that of the source WIM.  */
2250
2251                         struct wimlib_wim_info src_info;
2252
2253                         wimlib_get_wim_info(src_wim, &src_info);
2254                         compression_type = src_info.compression_type;
2255                 }
2256                 ret = wimlib_create_new_wim(compression_type, &dest_wim);
2257                 if (ret)
2258                         goto out_free_src_wim;
2259         }
2260
2261         image = wimlib_resolve_image(src_wim, src_image_num_or_name);
2262         ret = verify_image_exists(image, src_image_num_or_name, src_wimfile);
2263         if (ret)
2264                 goto out_free_dest_wim;
2265
2266         if (swm_glob) {
2267                 ret = open_swms_from_glob(swm_glob, src_wimfile, open_flags,
2268                                           &additional_swms,
2269                                           &num_additional_swms);
2270                 if (ret)
2271                         goto out_free_dest_wim;
2272         } else {
2273                 additional_swms = NULL;
2274                 num_additional_swms = 0;
2275         }
2276
2277         ret = wimlib_export_image(src_wim, image, dest_wim, dest_name,
2278                                   dest_desc, export_flags, additional_swms,
2279                                   num_additional_swms, imagex_progress_func);
2280         if (ret)
2281                 goto out_free_swms;
2282
2283         if (!wim_is_new)
2284                 ret = wimlib_overwrite(dest_wim, write_flags, num_threads,
2285                                        imagex_progress_func);
2286         else if (dest_wimfile)
2287                 ret = wimlib_write(dest_wim, dest_wimfile, WIMLIB_ALL_IMAGES,
2288                                    write_flags, num_threads,
2289                                    imagex_progress_func);
2290         else
2291                 ret = wimlib_write_to_fd(dest_wim, dest_wim_fd,
2292                                          WIMLIB_ALL_IMAGES, write_flags,
2293                                          num_threads, imagex_progress_func);
2294         if (ret)
2295                 imagex_error(T("Export failed."));
2296 out_free_swms:
2297         for (unsigned i = 0; i < num_additional_swms; i++)
2298                 wimlib_free(additional_swms[i]);
2299         free(additional_swms);
2300 out_free_dest_wim:
2301         wimlib_free(dest_wim);
2302 out_free_src_wim:
2303         wimlib_free(src_wim);
2304 out:
2305         return ret;
2306
2307 out_usage:
2308         usage(CMD_EXPORT, stderr);
2309 out_err:
2310         ret = -1;
2311         goto out;
2312 }
2313
2314 static bool
2315 is_root_wim_path(const tchar *path)
2316 {
2317         const tchar *p;
2318         for (p = path; *p; p++)
2319                 if (*p != T('\\') && *p != T('/'))
2320                         return false;
2321         return true;
2322 }
2323
2324 static void
2325 free_extract_commands(struct wimlib_extract_command *cmds, size_t num_cmds,
2326                       const tchar *dest_dir)
2327 {
2328         for (size_t i = 0; i < num_cmds; i++)
2329                 if (cmds[i].fs_dest_path != dest_dir)
2330                         free(cmds[i].fs_dest_path);
2331         free(cmds);
2332 }
2333
2334 static struct wimlib_extract_command *
2335 prepare_extract_commands(tchar **paths, unsigned num_paths,
2336                          int extract_flags, tchar *dest_dir,
2337                          size_t *num_cmds_ret)
2338 {
2339         struct wimlib_extract_command *cmds;
2340         size_t num_cmds;
2341         tchar *emptystr = T("");
2342
2343         if (num_paths == 0) {
2344                 num_paths = 1;
2345                 paths = &emptystr;
2346         }
2347         num_cmds = num_paths;
2348         cmds = calloc(num_cmds, sizeof(cmds[0]));
2349         if (!cmds) {
2350                 imagex_error(T("Out of memory!"));
2351                 return NULL;
2352         }
2353
2354         for (size_t i = 0; i < num_cmds; i++) {
2355                 cmds[i].extract_flags = extract_flags;
2356                 cmds[i].wim_source_path = paths[i];
2357                 if (is_root_wim_path(paths[i])) {
2358                         cmds[i].fs_dest_path = dest_dir;
2359                 } else {
2360                         size_t len = tstrlen(dest_dir) + 1 + tstrlen(paths[i]);
2361                         cmds[i].fs_dest_path = malloc((len + 1) * sizeof(tchar));
2362                         if (!cmds[i].fs_dest_path) {
2363                                 free_extract_commands(cmds, num_cmds, dest_dir);
2364                                 return NULL;
2365                         }
2366                         tsprintf(cmds[i].fs_dest_path,
2367                                  T("%"TS""OS_PREFERRED_PATH_SEPARATOR_STRING"%"TS),
2368                                  dest_dir, tbasename(paths[i]));
2369                 }
2370         }
2371         *num_cmds_ret = num_cmds;
2372         return cmds;
2373 }
2374
2375 /* Extract files or directories from a WIM image */
2376 static int
2377 imagex_extract(int argc, tchar **argv, int cmd)
2378 {
2379         int c;
2380         int open_flags = WIMLIB_OPEN_FLAG_SPLIT_OK;
2381         int image;
2382         WIMStruct *wim;
2383         int ret;
2384         const tchar *wimfile;
2385         const tchar *image_num_or_name;
2386         tchar *dest_dir = T(".");
2387         int extract_flags = WIMLIB_EXTRACT_FLAG_SEQUENTIAL | WIMLIB_EXTRACT_FLAG_NORPFIX;
2388
2389         const tchar *swm_glob = NULL;
2390         WIMStruct **additional_swms;
2391         unsigned num_additional_swms;
2392
2393         struct wimlib_extract_command *cmds;
2394         size_t num_cmds;
2395
2396         for_opt(c, extract_options) {
2397                 switch (c) {
2398                 case IMAGEX_CHECK_OPTION:
2399                         open_flags |= WIMLIB_OPEN_FLAG_CHECK_INTEGRITY;
2400                         break;
2401                 case IMAGEX_VERBOSE_OPTION:
2402                         extract_flags |= WIMLIB_EXTRACT_FLAG_VERBOSE;
2403                         break;
2404                 case IMAGEX_REF_OPTION:
2405                         swm_glob = optarg;
2406                         break;
2407                 case IMAGEX_UNIX_DATA_OPTION:
2408                         extract_flags |= WIMLIB_EXTRACT_FLAG_UNIX_DATA;
2409                         break;
2410                 case IMAGEX_NO_ACLS_OPTION:
2411                         extract_flags |= WIMLIB_EXTRACT_FLAG_NO_ACLS;
2412                         break;
2413                 case IMAGEX_STRICT_ACLS_OPTION:
2414                         extract_flags |= WIMLIB_EXTRACT_FLAG_STRICT_ACLS;
2415                         break;
2416                 case IMAGEX_DEST_DIR_OPTION:
2417                         dest_dir = optarg;
2418                         break;
2419                 case IMAGEX_TO_STDOUT_OPTION:
2420                         extract_flags |= WIMLIB_EXTRACT_FLAG_TO_STDOUT;
2421                         imagex_info_file = stderr;
2422                         imagex_be_quiet = true;
2423                         break;
2424                 case IMAGEX_INCLUDE_INVALID_NAMES_OPTION:
2425                         extract_flags |= WIMLIB_EXTRACT_FLAG_REPLACE_INVALID_FILENAMES;
2426                         extract_flags |= WIMLIB_EXTRACT_FLAG_ALL_CASE_CONFLICTS;
2427                         break;
2428                 default:
2429                         goto out_usage;
2430                 }
2431         }
2432         argc -= optind;
2433         argv += optind;
2434
2435         if (argc < 2)
2436                 goto out_usage;
2437
2438         wimfile = argv[0];
2439         image_num_or_name = argv[1];
2440
2441         argc -= 2;
2442         argv += 2;
2443
2444         cmds = prepare_extract_commands(argv, argc, extract_flags, dest_dir,
2445                                         &num_cmds);
2446         if (!cmds)
2447                 goto out_err;
2448
2449         ret = wimlib_open_wim(wimfile, open_flags, &wim, imagex_progress_func);
2450         if (ret)
2451                 goto out_free_cmds;
2452
2453         image = wimlib_resolve_image(wim, image_num_or_name);
2454         ret = verify_image_exists_and_is_single(image,
2455                                                 image_num_or_name,
2456                                                 wimfile);
2457         if (ret)
2458                 goto out_wimlib_free;
2459
2460         if (swm_glob) {
2461                 ret = open_swms_from_glob(swm_glob, wimfile, open_flags,
2462                                           &additional_swms,
2463                                           &num_additional_swms);
2464                 if (ret)
2465                         goto out_wimlib_free;
2466         } else {
2467                 additional_swms = NULL;
2468                 num_additional_swms = 0;
2469         }
2470
2471 #ifdef __WIN32__
2472         win32_acquire_restore_privileges();
2473 #endif
2474
2475         ret = wimlib_extract_files(wim, image, cmds, num_cmds, 0,
2476                                    additional_swms, num_additional_swms,
2477                                    imagex_progress_func);
2478         if (ret == 0) {
2479                 if (!imagex_be_quiet)
2480                         imagex_printf(T("Done extracting files.\n"));
2481         } else if (ret == WIMLIB_ERR_PATH_DOES_NOT_EXIST) {
2482                 tfprintf(stderr, T("Note: You can use `%"TS"' to see what "
2483                                    "files and directories\n"
2484                                    "      are in the WIM image.\n"),
2485                                 get_cmd_string(CMD_INFO, false));
2486         }
2487 #ifdef __WIN32__
2488         win32_release_restore_privileges();
2489 #endif
2490         for (unsigned i = 0; i < num_additional_swms; i++)
2491                 wimlib_free(additional_swms[i]);
2492         free(additional_swms);
2493 out_wimlib_free:
2494         wimlib_free(wim);
2495 out_free_cmds:
2496         free_extract_commands(cmds, num_cmds, dest_dir);
2497 out:
2498         return ret;
2499
2500 out_usage:
2501         usage(CMD_EXTRACT, stderr);
2502 out_err:
2503         ret = -1;
2504         goto out;
2505 }
2506
2507 static void print_byte_field(const uint8_t field[], size_t len)
2508 {
2509         while (len--)
2510                 tprintf(T("%02hhx"), *field++);
2511 }
2512
2513 static void
2514 print_wim_information(const tchar *wimfile, const struct wimlib_wim_info *info)
2515 {
2516         tputs(T("WIM Information:"));
2517         tputs(T("----------------"));
2518         tprintf(T("Path:           %"TS"\n"), wimfile);
2519         tprintf(T("GUID:           0x"));
2520         print_byte_field(info->guid, sizeof(info->guid));
2521         tputchar(T('\n'));
2522         tprintf(T("Image Count:    %d\n"), info->image_count);
2523         tprintf(T("Compression:    %"TS"\n"),
2524                 wimlib_get_compression_type_string(info->compression_type));
2525         tprintf(T("Part Number:    %d/%d\n"), info->part_number, info->total_parts);
2526         tprintf(T("Boot Index:     %d\n"), info->boot_index);
2527         tprintf(T("Size:           %"PRIu64" bytes\n"), info->total_bytes);
2528         tprintf(T("Integrity Info: %"TS"\n"),
2529                 info->has_integrity_table ? T("yes") : T("no"));
2530         tprintf(T("Relative path junction: %"TS"\n"),
2531                 info->has_rpfix ? T("yes") : T("no"));
2532         tprintf(T("Pipable:        %"TS"\n"),
2533                 info->pipable ? T("yes") : T("no"));
2534         tputchar(T('\n'));
2535 }
2536
2537 static int
2538 print_resource(const struct wimlib_resource_entry *resource,
2539                void *_ignore)
2540 {
2541
2542         tprintf(T("Uncompressed size   = %"PRIu64" bytes\n"),
2543                 resource->uncompressed_size);
2544
2545         tprintf(T("Compressed size     = %"PRIu64" bytes\n"),
2546                 resource->compressed_size);
2547
2548         tprintf(T("Offset              = %"PRIu64" bytes\n"),
2549                 resource->offset);
2550
2551
2552         tprintf(T("Part Number         = %u\n"), resource->part_number);
2553         tprintf(T("Reference Count     = %u\n"), resource->reference_count);
2554
2555         tprintf(T("Hash                = 0x"));
2556         print_byte_field(resource->sha1_hash, sizeof(resource->sha1_hash));
2557         tputchar(T('\n'));
2558
2559         tprintf(T("Flags               = "));
2560         if (resource->is_compressed)
2561                 tprintf(T("WIM_RESHDR_FLAG_COMPRESSED  "));
2562         if (resource->is_metadata)
2563                 tprintf(T("WIM_RESHDR_FLAG_METADATA  "));
2564         if (resource->is_free)
2565                 tprintf(T("WIM_RESHDR_FLAG_FREE  "));
2566         if (resource->is_spanned)
2567                 tprintf(T("WIM_RESHDR_FLAG_SPANNED  "));
2568         tputchar(T('\n'));
2569         tputchar(T('\n'));
2570         return 0;
2571 }
2572
2573 static void
2574 print_lookup_table(WIMStruct *wim)
2575 {
2576         wimlib_iterate_lookup_table(wim, 0, print_resource, NULL);
2577 }
2578
2579 /* Prints information about a WIM file; also can mark an image as bootable,
2580  * change the name of an image, or change the description of an image. */
2581 static int
2582 imagex_info(int argc, tchar **argv, int cmd)
2583 {
2584         int c;
2585         bool boot         = false;
2586         bool check        = false;
2587         bool nocheck      = false;
2588         bool header       = false;
2589         bool lookup_table = false;
2590         bool xml          = false;
2591         bool metadata     = false;
2592         bool short_header = true;
2593         const tchar *xml_out_file = NULL;
2594         const tchar *wimfile;
2595         const tchar *image_num_or_name;
2596         const tchar *new_name;
2597         const tchar *new_desc;
2598         WIMStruct *wim;
2599         int image;
2600         int ret;
2601         int open_flags = WIMLIB_OPEN_FLAG_SPLIT_OK;
2602         struct wimlib_wim_info info;
2603
2604         for_opt(c, info_options) {
2605                 switch (c) {
2606                 case IMAGEX_BOOT_OPTION:
2607                         boot = true;
2608                         break;
2609                 case IMAGEX_CHECK_OPTION:
2610                         check = true;
2611                         break;
2612                 case IMAGEX_NOCHECK_OPTION:
2613                         nocheck = true;
2614                         break;
2615                 case IMAGEX_HEADER_OPTION:
2616                         header = true;
2617                         short_header = false;
2618                         break;
2619                 case IMAGEX_LOOKUP_TABLE_OPTION:
2620                         lookup_table = true;
2621                         short_header = false;
2622                         break;
2623                 case IMAGEX_XML_OPTION:
2624                         xml = true;
2625                         short_header = false;
2626                         break;
2627                 case IMAGEX_EXTRACT_XML_OPTION:
2628                         xml_out_file = optarg;
2629                         short_header = false;
2630                         break;
2631                 case IMAGEX_METADATA_OPTION:
2632                         metadata = true;
2633                         short_header = false;
2634                         break;
2635                 default:
2636                         goto out_usage;
2637                 }
2638         }
2639
2640         argc -= optind;
2641         argv += optind;
2642         if (argc < 1 || argc > 4)
2643                 goto out_usage;
2644
2645         wimfile           = argv[0];
2646         image_num_or_name = (argc >= 2) ? argv[1] : T("all");
2647         new_name          = (argc >= 3) ? argv[2] : NULL;
2648         new_desc          = (argc >= 4) ? argv[3] : NULL;
2649
2650         if (check && nocheck) {
2651                 imagex_error(T("Can't specify both --check and --nocheck"));
2652                 goto out_err;
2653         }
2654
2655         if (check)
2656                 open_flags |= WIMLIB_OPEN_FLAG_CHECK_INTEGRITY;
2657
2658         ret = wimlib_open_wim(wimfile, open_flags, &wim, imagex_progress_func);
2659         if (ret)
2660                 goto out;
2661
2662         wimlib_get_wim_info(wim, &info);
2663
2664         image = wimlib_resolve_image(wim, image_num_or_name);
2665         ret = WIMLIB_ERR_INVALID_IMAGE;
2666         if (image == WIMLIB_NO_IMAGE && tstrcmp(image_num_or_name, T("0"))) {
2667                 imagex_error(T("The image \"%"TS"\" does not exist in \"%"TS"\""),
2668                              image_num_or_name, wimfile);
2669                 if (boot) {
2670                         imagex_error(T("If you would like to set the boot "
2671                                        "index to 0, specify image \"0\" with "
2672                                        "the --boot flag."));
2673                 }
2674                 goto out_wimlib_free;
2675         }
2676
2677         if (boot && info.image_count == 0) {
2678                 imagex_error(T("--boot is meaningless on a WIM with no images"));
2679                 goto out_wimlib_free;
2680         }
2681
2682         if (image == WIMLIB_ALL_IMAGES && info.image_count > 1) {
2683                 if (boot) {
2684                         imagex_error(T("Cannot specify the --boot flag "
2685                                        "without specifying a specific "
2686                                        "image in a multi-image WIM"));
2687                         goto out_wimlib_free;
2688                 }
2689                 if (new_name) {
2690                         imagex_error(T("Cannot specify the NEW_NAME "
2691                                        "without specifying a specific "
2692                                        "image in a multi-image WIM"));
2693                         goto out_wimlib_free;
2694                 }
2695         }
2696
2697         /* Operations that print information are separated from operations that
2698          * recreate the WIM file. */
2699         if (!new_name && !boot) {
2700
2701                 /* Read-only operations */
2702
2703                 if (image == WIMLIB_NO_IMAGE) {
2704                         imagex_error(T("\"%"TS"\" is not a valid image in \"%"TS"\""),
2705                                      image_num_or_name, wimfile);
2706                         goto out_wimlib_free;
2707                 }
2708
2709                 if (image == WIMLIB_ALL_IMAGES && short_header)
2710                         print_wim_information(wimfile, &info);
2711
2712                 if (header)
2713                         wimlib_print_header(wim);
2714
2715                 if (lookup_table) {
2716                         if (info.total_parts != 1) {
2717                                 tfprintf(stderr, T("Warning: Only showing the lookup table "
2718                                                    "for part %d of a %d-part WIM.\n"),
2719                                          info.part_number, info.total_parts);
2720                         }
2721                         print_lookup_table(wim);
2722                 }
2723
2724                 if (xml) {
2725                         ret = wimlib_extract_xml_data(wim, stdout);
2726                         if (ret)
2727                                 goto out_wimlib_free;
2728                 }
2729
2730                 if (xml_out_file) {
2731                         FILE *fp;
2732
2733                         fp = tfopen(xml_out_file, T("wb"));
2734                         if (!fp) {
2735                                 imagex_error_with_errno(T("Failed to open the "
2736                                                           "file \"%"TS"\" for "
2737                                                           "writing"),
2738                                                         xml_out_file);
2739                                 ret = -1;
2740                                 goto out_wimlib_free;
2741                         }
2742                         ret = wimlib_extract_xml_data(wim, fp);
2743                         if (fclose(fp)) {
2744                                 imagex_error(T("Failed to close the file "
2745                                                "\"%"TS"\""),
2746                                              xml_out_file);
2747                                 ret = -1;
2748                         }
2749                         if (ret)
2750                                 goto out_wimlib_free;
2751                 }
2752
2753                 if (short_header)
2754                         wimlib_print_available_images(wim, image);
2755
2756                 if (metadata) {
2757                         ret = wimlib_print_metadata(wim, image);
2758                         if (ret)
2759                                 goto out_wimlib_free;
2760                 }
2761                 ret = 0;
2762         } else {
2763
2764                 /* Modification operations */
2765
2766                 if (image == WIMLIB_ALL_IMAGES)
2767                         image = 1;
2768
2769                 if (image == WIMLIB_NO_IMAGE && new_name) {
2770                         imagex_error(T("Cannot specify new_name (\"%"TS"\") "
2771                                        "when using image 0"), new_name);
2772                         ret = -1;
2773                         goto out_wimlib_free;
2774                 }
2775
2776                 if (boot) {
2777                         if (image == info.boot_index) {
2778                                 imagex_printf(T("Image %d is already marked as "
2779                                           "bootable.\n"), image);
2780                                 boot = false;
2781                         } else {
2782                                 imagex_printf(T("Marking image %d as bootable.\n"),
2783                                         image);
2784                                 info.boot_index = image;
2785                                 ret = wimlib_set_wim_info(wim, &info,
2786                                                           WIMLIB_CHANGE_BOOT_INDEX);
2787                                 if (ret)
2788                                         goto out_wimlib_free;
2789                         }
2790                 }
2791                 if (new_name) {
2792                         if (!tstrcmp(wimlib_get_image_name(wim, image), new_name))
2793                         {
2794                                 imagex_printf(T("Image %d is already named \"%"TS"\".\n"),
2795                                         image, new_name);
2796                                 new_name = NULL;
2797                         } else {
2798                                 imagex_printf(T("Changing the name of image %d to "
2799                                           "\"%"TS"\".\n"), image, new_name);
2800                                 ret = wimlib_set_image_name(wim, image, new_name);
2801                                 if (ret)
2802                                         goto out_wimlib_free;
2803                         }
2804                 }
2805                 if (new_desc) {
2806                         const tchar *old_desc;
2807                         old_desc = wimlib_get_image_description(wim, image);
2808                         if (old_desc && !tstrcmp(old_desc, new_desc)) {
2809                                 imagex_printf(T("The description of image %d is already "
2810                                           "\"%"TS"\".\n"), image, new_desc);
2811                                 new_desc = NULL;
2812                         } else {
2813                                 imagex_printf(T("Changing the description of image %d "
2814                                           "to \"%"TS"\".\n"), image, new_desc);
2815                                 ret = wimlib_set_image_descripton(wim, image,
2816                                                                   new_desc);
2817                                 if (ret)
2818                                         goto out_wimlib_free;
2819                         }
2820                 }
2821
2822                 /* Only call wimlib_overwrite() if something actually needs to
2823                  * be changed.  */
2824                 if (boot || new_name || new_desc ||
2825                     (check && !info.has_integrity_table) ||
2826                     (nocheck && info.has_integrity_table))
2827                 {
2828                         int write_flags = 0;
2829
2830                         if (check)
2831                                 write_flags |= WIMLIB_WRITE_FLAG_CHECK_INTEGRITY;
2832                         if (nocheck)
2833                                 write_flags |= WIMLIB_WRITE_FLAG_NO_CHECK_INTEGRITY;
2834                         ret = wimlib_overwrite(wim, write_flags, 1,
2835                                                imagex_progress_func);
2836                 } else {
2837                         imagex_printf(T("The file \"%"TS"\" was not modified "
2838                                         "because nothing needed to be done.\n"),
2839                                       wimfile);
2840                         ret = 0;
2841                 }
2842         }
2843 out_wimlib_free:
2844         wimlib_free(wim);
2845 out:
2846         return ret;
2847
2848 out_usage:
2849         usage(CMD_INFO, stderr);
2850 out_err:
2851         ret = -1;
2852         goto out;
2853 }
2854
2855 /* Join split WIMs into one part WIM */
2856 static int
2857 imagex_join(int argc, tchar **argv, int cmd)
2858 {
2859         int c;
2860         int swm_open_flags = WIMLIB_OPEN_FLAG_SPLIT_OK;
2861         int wim_write_flags = 0;
2862         const tchar *output_path;
2863         int ret;
2864
2865         for_opt(c, join_options) {
2866                 switch (c) {
2867                 case IMAGEX_CHECK_OPTION:
2868                         swm_open_flags |= WIMLIB_OPEN_FLAG_CHECK_INTEGRITY;
2869                         wim_write_flags |= WIMLIB_WRITE_FLAG_CHECK_INTEGRITY;
2870                         break;
2871                 default:
2872                         goto out_usage;
2873                 }
2874         }
2875         argc -= optind;
2876         argv += optind;
2877
2878         if (argc < 2) {
2879                 imagex_error(T("Must specify one or more split WIM (.swm) "
2880                                "parts to join"));
2881                 goto out_usage;
2882         }
2883         output_path = argv[0];
2884         ret = wimlib_join((const tchar * const *)++argv,
2885                           --argc,
2886                           output_path,
2887                           swm_open_flags,
2888                           wim_write_flags,
2889                           imagex_progress_func);
2890 out:
2891         return ret;
2892
2893 out_usage:
2894         usage(CMD_JOIN, stderr);
2895         ret = -1;
2896         goto out;
2897 }
2898
2899 #if WIM_MOUNTING_SUPPORTED
2900
2901 /* Mounts a WIM image.  */
2902 static int
2903 imagex_mount_rw_or_ro(int argc, tchar **argv, int cmd)
2904 {
2905         int c;
2906         int mount_flags = 0;
2907         int open_flags = WIMLIB_OPEN_FLAG_SPLIT_OK;
2908         const tchar *swm_glob = NULL;
2909         const tchar *staging_dir = NULL;
2910         const tchar *wimfile;
2911         const tchar *dir;
2912         WIMStruct *wim;
2913         int image;
2914         int ret;
2915         WIMStruct **additional_swms;
2916         unsigned num_additional_swms;
2917
2918         if (cmd == CMD_MOUNTRW) {
2919                 mount_flags |= WIMLIB_MOUNT_FLAG_READWRITE;
2920                 open_flags |= WIMLIB_OPEN_FLAG_WRITE_ACCESS;
2921         }
2922
2923         for_opt(c, mount_options) {
2924                 switch (c) {
2925                 case IMAGEX_ALLOW_OTHER_OPTION:
2926                         mount_flags |= WIMLIB_MOUNT_FLAG_ALLOW_OTHER;
2927                         break;
2928                 case IMAGEX_CHECK_OPTION:
2929                         open_flags |= WIMLIB_OPEN_FLAG_CHECK_INTEGRITY;
2930                         break;
2931                 case IMAGEX_DEBUG_OPTION:
2932                         mount_flags |= WIMLIB_MOUNT_FLAG_DEBUG;
2933                         break;
2934                 case IMAGEX_STREAMS_INTERFACE_OPTION:
2935                         if (!tstrcasecmp(optarg, T("none")))
2936                                 mount_flags |= WIMLIB_MOUNT_FLAG_STREAM_INTERFACE_NONE;
2937                         else if (!tstrcasecmp(optarg, T("xattr")))
2938                                 mount_flags |= WIMLIB_MOUNT_FLAG_STREAM_INTERFACE_XATTR;
2939                         else if (!tstrcasecmp(optarg, T("windows")))
2940                                 mount_flags |= WIMLIB_MOUNT_FLAG_STREAM_INTERFACE_WINDOWS;
2941                         else {
2942                                 imagex_error(T("Unknown stream interface \"%"TS"\""),
2943                                              optarg);
2944                                 goto out_usage;
2945                         }
2946                         break;
2947                 case IMAGEX_REF_OPTION:
2948                         swm_glob = optarg;
2949                         break;
2950                 case IMAGEX_STAGING_DIR_OPTION:
2951                         staging_dir = optarg;
2952                         break;
2953                 case IMAGEX_UNIX_DATA_OPTION:
2954                         mount_flags |= WIMLIB_MOUNT_FLAG_UNIX_DATA;
2955                         break;
2956                 default:
2957                         goto out_usage;
2958                 }
2959         }
2960         argc -= optind;
2961         argv += optind;
2962         if (argc != 2 && argc != 3)
2963                 goto out_usage;
2964
2965         wimfile = argv[0];
2966
2967         ret = wimlib_open_wim(wimfile, open_flags, &wim, imagex_progress_func);
2968         if (ret)
2969                 goto out;
2970
2971         if (argc >= 3) {
2972                 /* Image explicitly specified.  */
2973                 image = wimlib_resolve_image(wim, argv[1]);
2974                 dir = argv[2];
2975                 ret = verify_image_exists_and_is_single(image, argv[1], wimfile);
2976                 if (ret)
2977                         goto out_free_wim;
2978         } else {
2979                 /* No image specified; default to image 1, but only if the WIM
2980                  * contains exactly one image.  */
2981                 struct wimlib_wim_info info;
2982
2983                 wimlib_get_wim_info(wim, &info);
2984                 if (info.image_count != 1) {
2985                         imagex_error(T("\"%"TS"\" contains %d images; Please "
2986                                        "select one."), wimfile, info.image_count);
2987                         wimlib_free(wim);
2988                         goto out_usage;
2989                 }
2990                 image = 1;
2991                 dir = argv[1];
2992         }
2993
2994         if (swm_glob) {
2995                 ret = open_swms_from_glob(swm_glob, wimfile, open_flags,
2996                                           &additional_swms,
2997                                           &num_additional_swms);
2998                 if (ret)
2999                         goto out_free_wim;
3000         } else {
3001                 additional_swms = NULL;
3002                 num_additional_swms = 0;
3003         }
3004
3005         ret = wimlib_mount_image(wim, image, dir, mount_flags, additional_swms,
3006                                  num_additional_swms, staging_dir);
3007         if (ret) {
3008                 imagex_error(T("Failed to mount image %d from \"%"TS"\" "
3009                                "on \"%"TS"\""),
3010                              image, wimfile, dir);
3011         }
3012         for (unsigned i = 0; i < num_additional_swms; i++)
3013                 wimlib_free(additional_swms[i]);
3014         free(additional_swms);
3015 out_free_wim:
3016         wimlib_free(wim);
3017 out:
3018         return ret;
3019
3020 out_usage:
3021         usage(cmd, stderr);
3022         ret = -1;
3023         goto out;
3024 }
3025 #endif /* WIM_MOUNTING_SUPPORTED */
3026
3027 /* Rebuild a WIM file */
3028 static int
3029 imagex_optimize(int argc, tchar **argv, int cmd)
3030 {
3031         int c;
3032         int open_flags = WIMLIB_OPEN_FLAG_WRITE_ACCESS;
3033         int write_flags = WIMLIB_WRITE_FLAG_REBUILD;
3034         int ret;
3035         WIMStruct *wim;
3036         const tchar *wimfile;
3037         off_t old_size;
3038         off_t new_size;
3039         unsigned num_threads = 0;
3040
3041         for_opt(c, optimize_options) {
3042                 switch (c) {
3043                 case IMAGEX_CHECK_OPTION:
3044                         open_flags |= WIMLIB_OPEN_FLAG_CHECK_INTEGRITY;
3045                         write_flags |= WIMLIB_WRITE_FLAG_CHECK_INTEGRITY;
3046                         break;
3047                 case IMAGEX_NOCHECK_OPTION:
3048                         write_flags |= WIMLIB_WRITE_FLAG_NO_CHECK_INTEGRITY;
3049                         break;
3050                 case IMAGEX_RECOMPRESS_OPTION:
3051                         write_flags |= WIMLIB_WRITE_FLAG_RECOMPRESS;
3052                         break;
3053                 case IMAGEX_THREADS_OPTION:
3054                         num_threads = parse_num_threads(optarg);
3055                         if (num_threads == UINT_MAX)
3056                                 goto out_err;
3057                         break;
3058                 case IMAGEX_PIPABLE_OPTION:
3059                         write_flags |= WIMLIB_WRITE_FLAG_PIPABLE;
3060                         break;
3061                 case IMAGEX_NOT_PIPABLE_OPTION:
3062                         write_flags |= WIMLIB_WRITE_FLAG_NOT_PIPABLE;
3063                         break;
3064                 default:
3065                         goto out_usage;
3066                 }
3067         }
3068         argc -= optind;
3069         argv += optind;
3070
3071         if (argc != 1)
3072                 goto out_usage;
3073
3074         wimfile = argv[0];
3075
3076         ret = wimlib_open_wim(wimfile, open_flags, &wim, imagex_progress_func);
3077         if (ret)
3078                 goto out;
3079
3080         old_size = file_get_size(wimfile);
3081         tprintf(T("\"%"TS"\" original size: "), wimfile);
3082         if (old_size == -1)
3083                 tputs(T("Unknown"));
3084         else
3085                 tprintf(T("%"PRIu64" KiB\n"), old_size >> 10);
3086
3087         ret = wimlib_overwrite(wim, write_flags, num_threads,
3088                                imagex_progress_func);
3089         if (ret) {
3090                 imagex_error(T("Optimization of \"%"TS"\" failed."), wimfile);
3091                 goto out_wimlib_free;
3092         }
3093
3094         new_size = file_get_size(wimfile);
3095         tprintf(T("\"%"TS"\" optimized size: "), wimfile);
3096         if (new_size == -1)
3097                 tputs(T("Unknown"));
3098         else
3099                 tprintf(T("%"PRIu64" KiB\n"), new_size >> 10);
3100
3101         tfputs(T("Space saved: "), stdout);
3102         if (new_size != -1 && old_size != -1) {
3103                 tprintf(T("%lld KiB\n"),
3104                        ((long long)old_size - (long long)new_size) >> 10);
3105         } else {
3106                 tputs(T("Unknown"));
3107         }
3108         ret = 0;
3109 out_wimlib_free:
3110         wimlib_free(wim);
3111 out:
3112         return ret;
3113
3114 out_usage:
3115         usage(CMD_OPTIMIZE, stderr);
3116 out_err:
3117         ret = -1;
3118         goto out;
3119 }
3120
3121 /* Split a WIM into a spanned set */
3122 static int
3123 imagex_split(int argc, tchar **argv, int cmd)
3124 {
3125         int c;
3126         int open_flags = 0;
3127         int write_flags = 0;
3128         unsigned long part_size;
3129         tchar *tmp;
3130         int ret;
3131         WIMStruct *wim;
3132
3133         for_opt(c, split_options) {
3134                 switch (c) {
3135                 case IMAGEX_CHECK_OPTION:
3136                         open_flags |= WIMLIB_OPEN_FLAG_CHECK_INTEGRITY;
3137                         write_flags |= WIMLIB_WRITE_FLAG_CHECK_INTEGRITY;
3138                         break;
3139                 default:
3140                         goto out_usage;
3141                 }
3142         }
3143         argc -= optind;
3144         argv += optind;
3145
3146         if (argc != 3)
3147                 goto out_usage;
3148
3149         part_size = tstrtod(argv[2], &tmp) * (1 << 20);
3150         if (tmp == argv[2] || *tmp) {
3151                 imagex_error(T("Invalid part size \"%"TS"\""), argv[2]);
3152                 imagex_error(T("The part size must be an integer or "
3153                                "floating-point number of megabytes."));
3154                 goto out_err;
3155         }
3156         ret = wimlib_open_wim(argv[0], open_flags, &wim, imagex_progress_func);
3157         if (ret)
3158                 goto out;
3159
3160         ret = wimlib_split(wim, argv[1], part_size, write_flags, imagex_progress_func);
3161         wimlib_free(wim);
3162 out:
3163         return ret;
3164
3165 out_usage:
3166         usage(CMD_SPLIT, stderr);
3167 out_err:
3168         ret = -1;
3169         goto out;
3170 }
3171
3172 #if WIM_MOUNTING_SUPPORTED
3173 /* Unmounts a mounted WIM image. */
3174 static int
3175 imagex_unmount(int argc, tchar **argv, int cmd)
3176 {
3177         int c;
3178         int unmount_flags = 0;
3179         int ret;
3180
3181         for_opt(c, unmount_options) {
3182                 switch (c) {
3183                 case IMAGEX_COMMIT_OPTION:
3184                         unmount_flags |= WIMLIB_UNMOUNT_FLAG_COMMIT;
3185                         break;
3186                 case IMAGEX_CHECK_OPTION:
3187                         unmount_flags |= WIMLIB_UNMOUNT_FLAG_CHECK_INTEGRITY;
3188                         break;
3189                 case IMAGEX_REBUILD_OPTION:
3190                         unmount_flags |= WIMLIB_UNMOUNT_FLAG_REBUILD;
3191                         break;
3192                 case IMAGEX_LAZY_OPTION:
3193                         unmount_flags |= WIMLIB_UNMOUNT_FLAG_LAZY;
3194                         break;
3195                 default:
3196                         goto out_usage;
3197                 }
3198         }
3199         argc -= optind;
3200         argv += optind;
3201         if (argc != 1)
3202                 goto out_usage;
3203
3204         ret = wimlib_unmount_image(argv[0], unmount_flags,
3205                                    imagex_progress_func);
3206         if (ret)
3207                 imagex_error(T("Failed to unmount \"%"TS"\""), argv[0]);
3208 out:
3209         return ret;
3210
3211 out_usage:
3212         usage(CMD_UNMOUNT, stderr);
3213         ret = -1;
3214         goto out;
3215 }
3216 #endif /* WIM_MOUNTING_SUPPORTED */
3217
3218 /*
3219  * Add, delete, or rename files in a WIM image.
3220  */
3221 static int
3222 imagex_update(int argc, tchar **argv, int cmd)
3223 {
3224         const tchar *wimfile;
3225         int image;
3226         WIMStruct *wim;
3227         int ret;
3228         int open_flags = WIMLIB_OPEN_FLAG_WRITE_ACCESS;
3229         int write_flags = 0;
3230         int update_flags = WIMLIB_UPDATE_FLAG_SEND_PROGRESS;
3231         int default_add_flags = WIMLIB_ADD_IMAGE_FLAG_EXCLUDE_VERBOSE;
3232         int default_delete_flags = 0;
3233         unsigned num_threads = 0;
3234         int c;
3235         tchar *cmd_file_contents;
3236         size_t cmd_file_nchars;
3237         struct wimlib_update_command *cmds;
3238         size_t num_cmds;
3239         tchar *command_str = NULL;
3240
3241         const tchar *config_file = NULL;
3242         tchar *config_str;
3243         struct wimlib_capture_config *config;
3244
3245         for_opt(c, update_options) {
3246                 switch (c) {
3247                 /* Generic or write options */
3248                 case IMAGEX_THREADS_OPTION:
3249                         num_threads = parse_num_threads(optarg);
3250                         if (num_threads == UINT_MAX)
3251                                 goto out_err;
3252                         break;
3253                 case IMAGEX_CHECK_OPTION:
3254                         open_flags |= WIMLIB_OPEN_FLAG_CHECK_INTEGRITY;
3255                         write_flags |= WIMLIB_WRITE_FLAG_CHECK_INTEGRITY;
3256                         break;
3257                 case IMAGEX_REBUILD_OPTION:
3258                         write_flags |= WIMLIB_WRITE_FLAG_REBUILD;
3259                         break;
3260                 case IMAGEX_COMMAND_OPTION:
3261                         if (command_str) {
3262                                 imagex_error(T("--command may only be specified "
3263                                                "one time.  Please provide\n"
3264                                                "       the update commands "
3265                                                "on standard input instead."));
3266                                 goto out_err;
3267                         }
3268                         command_str = tstrdup(optarg);
3269                         if (!command_str) {
3270                                 imagex_error(T("Out of memory!"));
3271                                 goto out_err;
3272                         }
3273                         break;
3274                 /* Default delete options */
3275                 case IMAGEX_FORCE_OPTION:
3276                         default_delete_flags |= WIMLIB_DELETE_FLAG_FORCE;
3277                         break;
3278                 case IMAGEX_RECURSIVE_OPTION:
3279                         default_delete_flags |= WIMLIB_DELETE_FLAG_RECURSIVE;
3280                         break;
3281
3282                 /* Global add option */
3283                 case IMAGEX_CONFIG_OPTION:
3284                         config_file = optarg;
3285                         break;
3286
3287                 /* Default add options */
3288                 case IMAGEX_VERBOSE_OPTION:
3289                         default_add_flags |= WIMLIB_ADD_IMAGE_FLAG_VERBOSE;
3290                         break;
3291                 case IMAGEX_DEREFERENCE_OPTION:
3292                         default_add_flags |= WIMLIB_ADD_IMAGE_FLAG_DEREFERENCE;
3293                         break;
3294                 case IMAGEX_UNIX_DATA_OPTION:
3295                         default_add_flags |= WIMLIB_ADD_IMAGE_FLAG_UNIX_DATA;
3296                         break;
3297                 case IMAGEX_NO_ACLS_OPTION:
3298                         default_add_flags |= WIMLIB_ADD_IMAGE_FLAG_NO_ACLS;
3299                         break;
3300                 case IMAGEX_STRICT_ACLS_OPTION:
3301                         default_add_flags |= WIMLIB_ADD_IMAGE_FLAG_STRICT_ACLS;
3302                         break;
3303                 default:
3304                         goto out_usage;
3305                 }
3306         }
3307         argv += optind;
3308         argc -= optind;
3309
3310         if (argc != 1 && argc != 2)
3311                 goto out_usage;
3312         wimfile = argv[0];
3313
3314         ret = wimlib_open_wim(wimfile, open_flags, &wim, imagex_progress_func);
3315         if (ret)
3316                 goto out_free_command_str;
3317
3318         if (argc >= 2) {
3319                 /* Image explicitly specified.  */
3320                 image = wimlib_resolve_image(wim, argv[1]);
3321                 ret = verify_image_exists_and_is_single(image, argv[1],
3322                                                         wimfile);
3323                 if (ret)
3324                         goto out_wimlib_free;
3325         } else {
3326                 /* No image specified; default to image 1, but only if the WIM
3327                  * contains exactly one image.  */
3328                 struct wimlib_wim_info info;
3329
3330                 wimlib_get_wim_info(wim, &info);
3331                 if (info.image_count != 1) {
3332                         imagex_error(T("\"%"TS"\" contains %d images; Please select one."),
3333                                      wimfile, info.image_count);
3334                         wimlib_free(wim);
3335                         goto out_usage;
3336                 }
3337                 image = 1;
3338         }
3339
3340         /* Parse capture configuration file if specified */
3341         if (config_file) {
3342                 size_t config_len;
3343
3344                 config_str = file_get_text_contents(config_file, &config_len);
3345                 if (!config_str) {
3346                         ret = -1;
3347                         goto out_wimlib_free;
3348                 }
3349
3350                 config = alloca(sizeof(*config));
3351                 ret = parse_capture_config(&config_str, config_len, config);
3352                 if (ret)
3353                         goto out_free_config;
3354         } else {
3355                 config = &default_capture_config;
3356         }
3357
3358         /* Read update commands from standard input, or the command string if
3359          * specified.  */
3360         if (command_str) {
3361                 cmd_file_contents = NULL;
3362                 cmds = parse_update_command_file(&command_str, tstrlen(command_str),
3363                                                  &num_cmds);
3364         } else {
3365                 if (isatty(STDIN_FILENO)) {
3366                         tputs(T("Reading update commands from standard input..."));
3367                         recommend_man_page(CMD_UPDATE, stdout);
3368                 }
3369                 cmd_file_contents = stdin_get_text_contents(&cmd_file_nchars);
3370                 if (!cmd_file_contents) {
3371                         ret = -1;
3372                         goto out_free_config;
3373                 }
3374
3375                 /* Parse the update commands */
3376                 cmds = parse_update_command_file(&cmd_file_contents, cmd_file_nchars,
3377                                                  &num_cmds);
3378         }
3379         if (!cmds) {
3380                 ret = -1;
3381                 goto out_free_cmd_file_contents;
3382         }
3383
3384         /* Set default flags and capture config on the update commands */
3385         bool have_add_command = false;
3386         for (size_t i = 0; i < num_cmds; i++) {
3387                 switch (cmds[i].op) {
3388                 case WIMLIB_UPDATE_OP_ADD:
3389                         cmds[i].add.add_flags |= default_add_flags;
3390                         cmds[i].add.config = config;
3391                         have_add_command = true;
3392                         break;
3393                 case WIMLIB_UPDATE_OP_DELETE:
3394                         cmds[i].delete.delete_flags |= default_delete_flags;
3395                         break;
3396                 default:
3397                         break;
3398                 }
3399         }
3400
3401 #ifdef __WIN32__
3402         if (have_add_command)
3403                 win32_acquire_capture_privileges();
3404 #endif
3405
3406         /* Execute the update commands */
3407         ret = wimlib_update_image(wim, image, cmds, num_cmds, update_flags,
3408                                   imagex_progress_func);
3409         if (ret)
3410                 goto out_release_privs;
3411
3412         /* Overwrite the updated WIM */
3413         ret = wimlib_overwrite(wim, write_flags, num_threads,
3414                                imagex_progress_func);
3415 out_release_privs:
3416 #ifdef __WIN32__
3417         if (have_add_command)
3418                 win32_release_capture_privileges();
3419 #endif
3420         free(cmds);
3421 out_free_cmd_file_contents:
3422         free(cmd_file_contents);
3423 out_free_config:
3424         if (config != &default_capture_config) {
3425                 free(config->exclusion_pats.pats);
3426                 free(config->exclusion_exception_pats.pats);
3427                 free(config_str);
3428         }
3429 out_wimlib_free:
3430         wimlib_free(wim);
3431 out_free_command_str:
3432         free(command_str);
3433         return ret;
3434
3435 out_usage:
3436         usage(CMD_UPDATE, stderr);
3437 out_err:
3438         ret = -1;
3439         goto out_free_command_str;
3440 }
3441
3442
3443
3444 struct imagex_command {
3445         const tchar *name;
3446         int (*func)(int argc, tchar **argv, int cmd);
3447 };
3448
3449 static const struct imagex_command imagex_commands[] = {
3450         [CMD_APPEND]   = {T("append"),   imagex_capture_or_append},
3451         [CMD_APPLY]    = {T("apply"),    imagex_apply},
3452         [CMD_CAPTURE]  = {T("capture"),  imagex_capture_or_append},
3453         [CMD_DELETE]   = {T("delete"),   imagex_delete},
3454         [CMD_DIR ]     = {T("dir"),      imagex_dir},
3455         [CMD_EXPORT]   = {T("export"),   imagex_export},
3456         [CMD_EXTRACT]  = {T("extract"),  imagex_extract},
3457         [CMD_INFO]     = {T("info"),     imagex_info},
3458         [CMD_JOIN]     = {T("join"),     imagex_join},
3459 #if WIM_MOUNTING_SUPPORTED
3460         [CMD_MOUNT]    = {T("mount"),    imagex_mount_rw_or_ro},
3461         [CMD_MOUNTRW]  = {T("mountrw"),  imagex_mount_rw_or_ro},
3462 #endif
3463         [CMD_OPTIMIZE] = {T("optimize"), imagex_optimize},
3464         [CMD_SPLIT]    = {T("split"),    imagex_split},
3465 #if WIM_MOUNTING_SUPPORTED
3466         [CMD_UNMOUNT]  = {T("unmount"),  imagex_unmount},
3467 #endif
3468         [CMD_UPDATE]   = {T("update"),   imagex_update},
3469 };
3470
3471 static const tchar *usage_strings[] = {
3472 [CMD_APPEND] =
3473 T(
3474 "    %"TS" (DIRECTORY | NTFS_VOLUME) WIMFILE\n"
3475 "                    [IMAGE_NAME [IMAGE_DESCRIPTION]] [--boot] [--check]\n"
3476 "                    [--nocheck] [--flags EDITION_ID] [--verbose]\n"
3477 "                    [--dereference] [--config=FILE] [--threads=NUM_THREADS]\n"
3478 "                    [--rebuild] [--unix-data] [--source-list] [--no-acls]\n"
3479 "                    [--strict-acls] [--rpfix] [--norpfix] [--pipable]\n"
3480 "                    [--not-pipable]\n"
3481 ),
3482 [CMD_APPLY] =
3483 T(
3484 "    %"TS" WIMFILE [(IMAGE_NUM | IMAGE_NAME | all)]\n"
3485 "                    (DIRECTORY | NTFS_VOLUME) [--check] [--hardlink]\n"
3486 "                    [--symlink] [--verbose] [--ref=\"GLOB\"] [--unix-data]\n"
3487 "                    [--no-acls] [--strict-acls] [--rpfix] [--norpfix]\n"
3488 "                    [--include-invalid-names]\n"
3489 ),
3490 [CMD_CAPTURE] =
3491 T(
3492 "    %"TS" (DIRECTORY | NTFS_VOLUME) WIMFILE\n"
3493 "                    [IMAGE_NAME [IMAGE_DESCRIPTION]] [--boot] [--check]\n"
3494 "                    [--nocheck] [--compress=TYPE] [--flags EDITION_ID]\n"
3495 "                    [--verbose] [--dereference] [--config=FILE]\n"
3496 "                    [--threads=NUM_THREADS] [--unix-data] [--source-list]\n"
3497 "                    [--no-acls] [--strict-acls] [--rpfix] [--norpfix]\n"
3498 "                    [--pipable] [--not-pipable]\n"
3499 ),
3500 [CMD_DELETE] =
3501 T(
3502 "    %"TS" WIMFILE (IMAGE_NUM | IMAGE_NAME | all) [--check]\n"
3503 "                    [--soft]\n"
3504 ),
3505 [CMD_DIR] =
3506 T(
3507 "    %"TS" WIMFILE (IMAGE_NUM | IMAGE_NAME | all) [--path=PATH]\n"
3508 ),
3509 [CMD_EXPORT] =
3510 T(
3511 "    %"TS" SRC_WIMFILE (SRC_IMAGE_NUM | SRC_IMAGE_NAME | all ) \n"
3512 "                    DEST_WIMFILE [DEST_IMAGE_NAME [DEST_IMAGE_DESCRIPTION]]\n"
3513 "                    [--boot] [--check] [--nocheck] [--compress=TYPE]\n"
3514 "                    [--ref=\"GLOB\"] [--threads=NUM_THREADS] [--rebuild]\n"
3515 "                    [--pipable] [--not-pipable]\n"
3516 ),
3517 [CMD_EXTRACT] =
3518 T(
3519 "    %"TS" WIMFILE (IMAGE_NUM | IMAGE_NAME) [PATH...]\n"
3520 "                    [--check] [--ref=\"GLOB\"] [--verbose] [--unix-data]\n"
3521 "                    [--no-acls] [--strict-acls] [--to-stdout]\n"
3522 "                    [--dest-dir=CMD_DIR] [--include-invalid-names]\n"
3523 ),
3524 [CMD_INFO] =
3525 T(
3526 "    %"TS" WIMFILE [(IMAGE_NUM | IMAGE_NAME) [NEW_NAME\n"
3527 "                    [NEW_DESC]]] [--boot] [--check] [--nocheck] [--header]\n"
3528 "                    [--lookup-table] [--xml] [--extract-xml FILE]\n"
3529 "                    [--metadata]\n"
3530 ),
3531 [CMD_JOIN] =
3532 T(
3533 "    %"TS" OUT_WIMFILE SPLIT_WIM_PART... [--check]\n"
3534 ),
3535 #if WIM_MOUNTING_SUPPORTED
3536 [CMD_MOUNT] =
3537 T(
3538 "    %"TS" WIMFILE [(IMAGE_NUM | IMAGE_NAME)] DIRECTORY\n"
3539 "                    [--check] [--debug] [--streams-interface=INTERFACE]\n"
3540 "                    [--ref=\"GLOB\"] [--unix-data] [--allow-other]\n"
3541 ),
3542 [CMD_MOUNTRW] =
3543 T(
3544 "    %"TS" WIMFILE [(IMAGE_NUM | IMAGE_NAME)] DIRECTORY\n"
3545 "                    [--check] [--debug] [--streams-interface=INTERFACE]\n"
3546 "                    [--staging-dir=CMD_DIR] [--unix-data] [--allow-other]\n"
3547 ),
3548 #endif
3549 [CMD_OPTIMIZE] =
3550 T(
3551 "    %"TS" WIMFILE [--check] [--nocheck] [--recompress]\n"
3552 "                    [--threads=NUM_THREADS] [--pipable] [--not-pipable]\n"
3553 ),
3554 [CMD_SPLIT] =
3555 T(
3556 "    %"TS" WIMFILE SPLIT_WIM_PART_1 PART_SIZE_MB [--check]\n"
3557 ),
3558 #if WIM_MOUNTING_SUPPORTED
3559 [CMD_UNMOUNT] =
3560 T(
3561 "    %"TS" DIRECTORY [--commit] [--check] [--rebuild] [--lazy]\n"
3562 ),
3563 #endif
3564 [CMD_UPDATE] =
3565 T(
3566 "    %"TS" WIMFILE [IMAGE_NUM | IMAGE_NAME] [--check] [--rebuild]\n"
3567 "                    [--threads=NUM_THREADS] [DEFAULT_ADD_OPTIONS]\n"
3568 "                    [DEFAULT_DELETE_OPTIONS] [--command=STRING] [< CMDFILE]\n"
3569 ),
3570 };
3571
3572 static const tchar *invocation_name;
3573 static bool using_cmd_from_invocation_name = false;
3574
3575 static const tchar *get_cmd_string(int cmd, bool nospace)
3576 {
3577
3578         if (using_cmd_from_invocation_name || cmd == CMD_NONE) {
3579                 return invocation_name;
3580         } else {
3581                 const tchar *format;
3582                 static tchar buf[50];
3583
3584                 if (nospace)
3585                         format = T("%"TS"-%"TS"");
3586                 else
3587                         format = T("%"TS" %"TS"");
3588                 tsprintf(buf, format, invocation_name, imagex_commands[cmd].name);
3589                 return buf;
3590         }
3591 }
3592
3593 static void
3594 version(void)
3595 {
3596         static const tchar *format =
3597         T(
3598 "%"TS" (" PACKAGE ") " PACKAGE_VERSION "\n"
3599 "Copyright (C) 2012, 2013 Eric Biggers\n"
3600 "License GPLv3+; GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>.\n"
3601 "This is free software: you are free to change and redistribute it.\n"
3602 "There is NO WARRANTY, to the extent permitted by law.\n"
3603 "\n"
3604 "Report bugs to "PACKAGE_BUGREPORT".\n"
3605         );
3606         tprintf(format, invocation_name);
3607 }
3608
3609
3610 static void
3611 help_or_version(int argc, tchar **argv, int cmd)
3612 {
3613         int i;
3614         const tchar *p;
3615
3616         for (i = 1; i < argc; i++) {
3617                 p = argv[i];
3618                 if (p[0] == T('-') && p[1] == T('-')) {
3619                         p += 2;
3620                         if (!tstrcmp(p, T("help"))) {
3621                                 if (cmd == CMD_NONE)
3622                                         usage_all(stdout);
3623                                 else
3624                                         usage(cmd, stdout);
3625                                 exit(0);
3626                         } else if (!tstrcmp(p, T("version"))) {
3627                                 version();
3628                                 exit(0);
3629                         }
3630                 }
3631         }
3632 }
3633
3634 static void
3635 print_usage_string(int cmd, FILE *fp)
3636 {
3637         tfprintf(fp, usage_strings[cmd], get_cmd_string(cmd, false));
3638 }
3639
3640 static void
3641 recommend_man_page(int cmd, FILE *fp)
3642 {
3643         const tchar *format_str;
3644 #ifdef __WIN32__
3645         format_str = T("See %"TS".pdf in the doc directory for more details.\n");
3646 #else
3647         format_str = T("Try `man %"TS"' for more details.\n");
3648 #endif
3649         tfprintf(fp, format_str, get_cmd_string(cmd, true));
3650 }
3651
3652 static void
3653 usage(int cmd, FILE *fp)
3654 {
3655         tfprintf(fp, T("Usage:\n"));
3656         print_usage_string(cmd, fp);
3657         tfprintf(fp, T("\n"));
3658         recommend_man_page(cmd, fp);
3659 }
3660
3661 static void
3662 usage_all(FILE *fp)
3663 {
3664         tfprintf(fp, T("Usage:\n"));
3665         for (int cmd = 0; cmd < CMD_MAX; cmd++) {
3666                 print_usage_string(cmd, fp);
3667                 tfprintf(fp, T("\n"));
3668         }
3669         static const tchar *extra =
3670         T(
3671 "    %"TS" --help\n"
3672 "    %"TS" --version\n"
3673 "\n"
3674 "    The compression TYPE may be \"maximum\", \"fast\", or \"none\".\n"
3675 "\n"
3676         );
3677         tfprintf(fp, extra, invocation_name, invocation_name);
3678         recommend_man_page(CMD_NONE, fp);
3679 }
3680
3681 /* Entry point for wimlib's ImageX implementation.  On UNIX the command
3682  * arguments will just be 'char' strings (ideally UTF-8 encoded, but could be
3683  * something else), while an Windows the command arguments will be UTF-16LE
3684  * encoded 'wchar_t' strings. */
3685 int
3686 #ifdef __WIN32__
3687 wmain(int argc, wchar_t **argv, wchar_t **envp)
3688 #else
3689 main(int argc, char **argv)
3690 #endif
3691 {
3692         int ret;
3693         int init_flags = 0;
3694         int cmd;
3695
3696         imagex_info_file = stdout;
3697         invocation_name = tbasename(argv[0]);
3698
3699 #ifndef __WIN32__
3700         if (getenv("WIMLIB_IMAGEX_USE_UTF8")) {
3701                 init_flags |= WIMLIB_INIT_FLAG_ASSUME_UTF8;
3702         } else {
3703                 char *codeset;
3704
3705                 setlocale(LC_ALL, "");
3706                 codeset = nl_langinfo(CODESET);
3707                 if (!strstr(codeset, "UTF-8") &&
3708                     !strstr(codeset, "UTF8") &&
3709                     !strstr(codeset, "utf-8") &&
3710                     !strstr(codeset, "utf8"))
3711                 {
3712                         fprintf(stderr,
3713 "WARNING: Running %"TS" in a UTF-8 locale is recommended!\n"
3714 "         Maybe try: `export LANG=en_US.UTF-8'?\n"
3715 "         Alternatively, set the environmental variable WIMLIB_IMAGEX_USE_UTF8\n"
3716 "         to any value to force wimlib to use UTF-8.\n",
3717                         invocation_name);
3718
3719                 }
3720         }
3721 #endif /* !__WIN32__ */
3722
3723         /* Allow being invoked as wimCOMMAND (e.g. wimapply).  */
3724         cmd = CMD_NONE;
3725         if (!tstrncmp(invocation_name, T("wim"), 3) &&
3726             tstrcmp(invocation_name, T(IMAGEX_PROGNAME))) {
3727                 for (int i = 0; i < CMD_MAX; i++) {
3728                         if (!tstrcmp(invocation_name + 3,
3729                                      imagex_commands[i].name))
3730                         {
3731                                 using_cmd_from_invocation_name = true;
3732                                 cmd = i;
3733                                 break;
3734                         }
3735                 }
3736         }
3737
3738         /* Unless already known from the invocation name, search for the
3739          * function to handle the specified subcommand.  */
3740         if (cmd == CMD_NONE) {
3741                 if (argc < 2) {
3742                         imagex_error(T("No command specified!\n"));
3743                         usage_all(stderr);
3744                         exit(2);
3745                 }
3746                 for (int i = 0; i < CMD_MAX; i++) {
3747                         if (!tstrcmp(argv[1], imagex_commands[i].name)) {
3748                                 cmd = i;
3749                                 break;
3750                         }
3751                 }
3752                 if (cmd != CMD_NONE) {
3753                         argc--;
3754                         argv++;
3755                 }
3756         }
3757
3758         /* Handle --help and --version for all commands.  Note that this will
3759          * not return if either of these arguments are present. */
3760         help_or_version(argc, argv, cmd);
3761
3762         if (cmd == CMD_NONE) {
3763                 imagex_error(T("Unrecognized command: `%"TS"'\n"), argv[1]);
3764                 usage_all(stderr);
3765                 exit(2);
3766         }
3767
3768         /* The user may like to see more informative error messages.  */
3769         wimlib_set_print_errors(true);
3770
3771         /* Initialize the library.  */
3772         ret = wimlib_global_init(init_flags);
3773         if (ret)
3774                 goto out_check_status;
3775
3776         /* Call the command handler function.  */
3777         ret = imagex_commands[cmd].func(argc, argv, cmd);
3778
3779         /* Check for error writing to standard output, especially since for some
3780          * commands, writing to standard output is part of the program's actual
3781          * behavior and not just for informational purposes.  */
3782         if (ferror(stdout) || fclose(stdout)) {
3783                 imagex_error_with_errno(T("error writing to standard output"));
3784                 if (ret == 0)
3785                         ret = -1;
3786         }
3787 out_check_status:
3788         /* Exit status (ret):  -1 indicates an error found by 'wimlib-imagex'
3789          * outside of the wimlib library code.  0 indicates success.  > 0
3790          * indicates a wimlib error code from which an error message can be
3791          * printed.  */
3792         if (ret > 0) {
3793                 imagex_error(T("Exiting with error code %d:\n"
3794                                "       %"TS"."), ret,
3795                              wimlib_get_error_string(ret));
3796                 if (ret == WIMLIB_ERR_NTFS_3G && errno != 0)
3797                         imagex_error_with_errno(T("errno"));
3798         }
3799         /* Make the library free any resources it's holding (not strictly
3800          * necessary because the process is ending anyway).  */
3801         wimlib_global_cleanup();
3802         return ret;
3803 }