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