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1 /*
2  * imagex.c
3  *
4  * Use wimlib to create, modify, extract, mount, unmount, or display information
5  * about a WIM file
6  */
7
8 /*
9  * Copyright (C) 2012, 2013, 2014 Eric Biggers
10  *
11  * This program is free software: you can redistribute it and/or modify
12  * it under the terms of the GNU General Public License as published by
13  * the Free Software Foundation, either version 3 of the License, or
14  * (at your option) any later version.
15  *
16  * This program is distributed in the hope that it will be useful,
17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
19  * GNU General Public License for more details.
20  *
21  * You should have received a copy of the GNU General Public License
22  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
23  */
24
25 #ifdef HAVE_CONFIG_H
26 #  include "config.h" /* Need for PACKAGE_VERSION, etc. */
27 #endif
28
29 #include "wimlib.h"
30 #include "wimlib_tchar.h"
31
32 #include <ctype.h>
33 #include <errno.h>
34
35 #include <inttypes.h>
36 #include <libgen.h>
37 #include <limits.h>
38 #include <stdarg.h>
39 #include <stdlib.h>
40 #include <string.h>
41 #include <sys/stat.h>
42 #include <unistd.h>
43 #include <locale.h>
44
45 #ifdef HAVE_ALLOCA_H
46 #  include <alloca.h>
47 #endif
48
49 #ifdef __WIN32__
50 #  include "imagex-win32.h"
51 #  define OS_PREFERRED_PATH_SEPARATOR L'\\'
52 #  define OS_PREFERRED_PATH_SEPARATOR_STRING L"\\"
53 #  define print_security_descriptor     win32_print_security_descriptor
54 #else /* __WIN32__ */
55 #  include <getopt.h>
56 #  include <langinfo.h>
57 #  define OS_PREFERRED_PATH_SEPARATOR '/'
58 #  define OS_PREFERRED_PATH_SEPARATOR_STRING "/"
59 #  define print_security_descriptor     default_print_security_descriptor
60 static inline void set_fd_to_binary_mode(int fd)
61 {
62 }
63 #endif /* !__WIN32 */
64
65 /* Don't confuse the user by presenting the mounting commands on Windows when
66  * they will never work.  However on UNIX-like systems we always present them,
67  * even if WITH_FUSE is not defined at this point, as to not tie the build of
68  * wimlib-imagex to a specific build of wimlib.  */
69 #ifdef __WIN32__
70 #  define WIM_MOUNTING_SUPPORTED 0
71 #else
72 #  define WIM_MOUNTING_SUPPORTED 1
73 #endif
74
75 #define ARRAY_LEN(array) (sizeof(array) / sizeof(array[0]))
76
77 static inline bool
78 is_any_path_separator(tchar c)
79 {
80         return c == T('/') || c == T('\\');
81 }
82
83 /* Like basename(), but handles both forward and backwards slashes.  */
84 static tchar *
85 tbasename(tchar *path)
86 {
87         tchar *p = tstrchr(path, T('\0'));
88
89         for (;;) {
90                 if (p == path)
91                         return path;
92                 if (!is_any_path_separator(*--p))
93                         break;
94                 *p = T('\0');
95         }
96
97         for (;;) {
98                 if (p == path)
99                         return path;
100                 if (is_any_path_separator(*--p))
101                         return ++p;
102         }
103 }
104
105 #define for_opt(c, opts) while ((c = getopt_long_only(argc, (tchar**)argv, T(""), \
106                                 opts, NULL)) != -1)
107
108 enum {
109         CMD_NONE = -1,
110         CMD_APPEND = 0,
111         CMD_APPLY,
112         CMD_CAPTURE,
113         CMD_DELETE,
114         CMD_DIR,
115         CMD_EXPORT,
116         CMD_EXTRACT,
117         CMD_INFO,
118         CMD_JOIN,
119 #if WIM_MOUNTING_SUPPORTED
120         CMD_MOUNT,
121         CMD_MOUNTRW,
122 #endif
123         CMD_OPTIMIZE,
124         CMD_SPLIT,
125 #if WIM_MOUNTING_SUPPORTED
126         CMD_UNMOUNT,
127 #endif
128         CMD_UPDATE,
129         CMD_MAX,
130 };
131
132 static void usage(int cmd, FILE *fp);
133 static void usage_all(FILE *fp);
134 static void recommend_man_page(int cmd, FILE *fp);
135 static const tchar *get_cmd_string(int cmd, bool nospace);
136
137 static int imagex_progress_func(enum wimlib_progress_msg msg,
138                                 const union wimlib_progress_info *info);
139
140 static bool imagex_be_quiet = false;
141 static FILE *imagex_info_file;
142
143 #define imagex_printf(format, ...) \
144                 tfprintf(imagex_info_file, format, ##__VA_ARGS__)
145
146 enum {
147         IMAGEX_ALLOW_OTHER_OPTION,
148         IMAGEX_BOOT_OPTION,
149         IMAGEX_CHECK_OPTION,
150         IMAGEX_CHUNK_SIZE_OPTION,
151         IMAGEX_COMMAND_OPTION,
152         IMAGEX_COMMIT_OPTION,
153         IMAGEX_COMPRESS_OPTION,
154         IMAGEX_COMPRESS_SLOW_OPTION,
155         IMAGEX_CONFIG_OPTION,
156         IMAGEX_DEBUG_OPTION,
157         IMAGEX_DELTA_FROM_OPTION,
158         IMAGEX_DEREFERENCE_OPTION,
159         IMAGEX_DEST_DIR_OPTION,
160         IMAGEX_DETAILED_OPTION,
161         IMAGEX_EXTRACT_XML_OPTION,
162         IMAGEX_FLAGS_OPTION,
163         IMAGEX_FORCE_OPTION,
164         IMAGEX_HARDLINK_OPTION,
165         IMAGEX_HEADER_OPTION,
166         IMAGEX_INCLUDE_INVALID_NAMES_OPTION,
167         IMAGEX_LAZY_OPTION,
168         IMAGEX_LOOKUP_TABLE_OPTION,
169         IMAGEX_METADATA_OPTION,
170         IMAGEX_NEW_IMAGE_OPTION,
171         IMAGEX_NOCHECK_OPTION,
172         IMAGEX_NORPFIX_OPTION,
173         IMAGEX_NOT_PIPABLE_OPTION,
174         IMAGEX_NO_ACLS_OPTION,
175         IMAGEX_NO_ATTRIBUTES_OPTION,
176         IMAGEX_NO_WILDCARDS_OPTION,
177         IMAGEX_NULLGLOB_OPTION,
178         IMAGEX_ONE_FILE_ONLY_OPTION,
179         IMAGEX_PACK_CHUNK_SIZE_OPTION,
180         IMAGEX_PACK_COMPRESS_OPTION,
181         IMAGEX_PACK_STREAMS_OPTION,
182         IMAGEX_PATH_OPTION,
183         IMAGEX_PIPABLE_OPTION,
184         IMAGEX_PRESERVE_DIR_STRUCTURE_OPTION,
185         IMAGEX_REBUILD_OPTION,
186         IMAGEX_RECOMPRESS_OPTION,
187         IMAGEX_RECURSIVE_OPTION,
188         IMAGEX_REF_OPTION,
189         IMAGEX_RESUME_OPTION,
190         IMAGEX_RPFIX_OPTION,
191         IMAGEX_SOFT_OPTION,
192         IMAGEX_SOURCE_LIST_OPTION,
193         IMAGEX_STAGING_DIR_OPTION,
194         IMAGEX_STREAMS_INTERFACE_OPTION,
195         IMAGEX_STRICT_ACLS_OPTION,
196         IMAGEX_SYMLINK_OPTION,
197         IMAGEX_THREADS_OPTION,
198         IMAGEX_TO_STDOUT_OPTION,
199         IMAGEX_UNIX_DATA_OPTION,
200         IMAGEX_UPDATE_OF_OPTION,
201         IMAGEX_VERBOSE_OPTION,
202         IMAGEX_WIMBOOT_OPTION,
203         IMAGEX_XML_OPTION,
204 };
205
206 static const struct option apply_options[] = {
207         {T("check"),       no_argument,       NULL, IMAGEX_CHECK_OPTION},
208         {T("hardlink"),    no_argument,       NULL, IMAGEX_HARDLINK_OPTION},
209         {T("symlink"),     no_argument,       NULL, IMAGEX_SYMLINK_OPTION},
210         {T("verbose"),     no_argument,       NULL, IMAGEX_VERBOSE_OPTION},
211         {T("ref"),         required_argument, NULL, IMAGEX_REF_OPTION},
212         {T("unix-data"),   no_argument,       NULL, IMAGEX_UNIX_DATA_OPTION},
213         {T("noacls"),      no_argument,       NULL, IMAGEX_NO_ACLS_OPTION},
214         {T("no-acls"),     no_argument,       NULL, IMAGEX_NO_ACLS_OPTION},
215         {T("strict-acls"), no_argument,       NULL, IMAGEX_STRICT_ACLS_OPTION},
216         {T("no-attributes"), no_argument,     NULL, IMAGEX_NO_ATTRIBUTES_OPTION},
217         {T("rpfix"),       no_argument,       NULL, IMAGEX_RPFIX_OPTION},
218         {T("norpfix"),     no_argument,       NULL, IMAGEX_NORPFIX_OPTION},
219         {T("include-invalid-names"), no_argument,       NULL, IMAGEX_INCLUDE_INVALID_NAMES_OPTION},
220
221         /* --resume is undocumented for now as it needs improvement.  */
222         {T("resume"),      no_argument,       NULL, IMAGEX_RESUME_OPTION},
223         {T("wimboot"),     no_argument,       NULL, IMAGEX_WIMBOOT_OPTION},
224         {NULL, 0, NULL, 0},
225 };
226
227 static const struct option capture_or_append_options[] = {
228         {T("boot"),        no_argument,       NULL, IMAGEX_BOOT_OPTION},
229         {T("check"),       no_argument,       NULL, IMAGEX_CHECK_OPTION},
230         {T("no-check"),    no_argument,       NULL, IMAGEX_NOCHECK_OPTION},
231         {T("nocheck"),     no_argument,       NULL, IMAGEX_NOCHECK_OPTION},
232         {T("compress"),    required_argument, NULL, IMAGEX_COMPRESS_OPTION},
233         {T("compress-slow"), no_argument,     NULL, IMAGEX_COMPRESS_SLOW_OPTION},
234         {T("chunk-size"),  required_argument, NULL, IMAGEX_CHUNK_SIZE_OPTION},
235         {T("pack-chunk-size"), required_argument, NULL, IMAGEX_PACK_CHUNK_SIZE_OPTION},
236         {T("solid-chunk-size"),required_argument, NULL, IMAGEX_PACK_CHUNK_SIZE_OPTION},
237         {T("pack-compress"), required_argument, NULL, IMAGEX_PACK_COMPRESS_OPTION},
238         {T("solid-compress"),required_argument, NULL, IMAGEX_PACK_COMPRESS_OPTION},
239         {T("pack-streams"), no_argument,      NULL, IMAGEX_PACK_STREAMS_OPTION},
240         {T("solid"),       no_argument,      NULL, IMAGEX_PACK_STREAMS_OPTION},
241         {T("config"),      required_argument, NULL, IMAGEX_CONFIG_OPTION},
242         {T("dereference"), no_argument,       NULL, IMAGEX_DEREFERENCE_OPTION},
243         {T("flags"),       required_argument, NULL, IMAGEX_FLAGS_OPTION},
244         {T("verbose"),     no_argument,       NULL, IMAGEX_VERBOSE_OPTION},
245         {T("threads"),     required_argument, NULL, IMAGEX_THREADS_OPTION},
246         {T("rebuild"),     no_argument,       NULL, IMAGEX_REBUILD_OPTION},
247         {T("unix-data"),   no_argument,       NULL, IMAGEX_UNIX_DATA_OPTION},
248         {T("source-list"), no_argument,       NULL, IMAGEX_SOURCE_LIST_OPTION},
249         {T("noacls"),      no_argument,       NULL, IMAGEX_NO_ACLS_OPTION},
250         {T("no-acls"),     no_argument,       NULL, IMAGEX_NO_ACLS_OPTION},
251         {T("strict-acls"), no_argument,       NULL, IMAGEX_STRICT_ACLS_OPTION},
252         {T("rpfix"),       no_argument,       NULL, IMAGEX_RPFIX_OPTION},
253         {T("norpfix"),     no_argument,       NULL, IMAGEX_NORPFIX_OPTION},
254         {T("pipable"),     no_argument,       NULL, IMAGEX_PIPABLE_OPTION},
255         {T("not-pipable"), no_argument,       NULL, IMAGEX_NOT_PIPABLE_OPTION},
256         {T("update-of"),   required_argument, NULL, IMAGEX_UPDATE_OF_OPTION},
257         {T("delta-from"),  required_argument, NULL, IMAGEX_DELTA_FROM_OPTION},
258         {T("wimboot"),     no_argument,       NULL, IMAGEX_WIMBOOT_OPTION},
259         {NULL, 0, NULL, 0},
260 };
261
262 static const struct option delete_options[] = {
263         {T("check"), no_argument, NULL, IMAGEX_CHECK_OPTION},
264         {T("soft"),  no_argument, NULL, IMAGEX_SOFT_OPTION},
265         {NULL, 0, NULL, 0},
266 };
267
268 static const struct option dir_options[] = {
269         {T("path"),     required_argument, NULL, IMAGEX_PATH_OPTION},
270         {T("detailed"), no_argument,       NULL, IMAGEX_DETAILED_OPTION},
271         {T("one-file-only"), no_argument,  NULL, IMAGEX_ONE_FILE_ONLY_OPTION},
272         {NULL, 0, NULL, 0},
273 };
274
275 static const struct option export_options[] = {
276         {T("boot"),        no_argument,       NULL, IMAGEX_BOOT_OPTION},
277         {T("check"),       no_argument,       NULL, IMAGEX_CHECK_OPTION},
278         {T("nocheck"),     no_argument,       NULL, IMAGEX_NOCHECK_OPTION},
279         {T("no-check"),    no_argument,       NULL, IMAGEX_NOCHECK_OPTION},
280         {T("compress"),    required_argument, NULL, IMAGEX_COMPRESS_OPTION},
281         {T("compress-slow"), no_argument,     NULL, IMAGEX_COMPRESS_SLOW_OPTION},
282         {T("pack-streams"),no_argument,       NULL, IMAGEX_PACK_STREAMS_OPTION},
283         {T("solid"),       no_argument,       NULL, IMAGEX_PACK_STREAMS_OPTION},
284         {T("chunk-size"),  required_argument, NULL, IMAGEX_CHUNK_SIZE_OPTION},
285         {T("pack-chunk-size"), required_argument, NULL, IMAGEX_PACK_CHUNK_SIZE_OPTION},
286         {T("solid-chunk-size"),required_argument, NULL, IMAGEX_PACK_CHUNK_SIZE_OPTION},
287         {T("pack-compress"), required_argument, NULL, IMAGEX_PACK_COMPRESS_OPTION},
288         {T("solid-compress"),required_argument, NULL, IMAGEX_PACK_COMPRESS_OPTION},
289         {T("ref"),         required_argument, NULL, IMAGEX_REF_OPTION},
290         {T("threads"),     required_argument, NULL, IMAGEX_THREADS_OPTION},
291         {T("rebuild"),     no_argument,       NULL, IMAGEX_REBUILD_OPTION},
292         {T("pipable"),     no_argument,       NULL, IMAGEX_PIPABLE_OPTION},
293         {T("not-pipable"), no_argument,       NULL, IMAGEX_NOT_PIPABLE_OPTION},
294         {NULL, 0, NULL, 0},
295 };
296
297 static const struct option extract_options[] = {
298         {T("check"),       no_argument,       NULL, IMAGEX_CHECK_OPTION},
299         {T("verbose"),     no_argument,       NULL, IMAGEX_VERBOSE_OPTION},
300         {T("ref"),         required_argument, NULL, IMAGEX_REF_OPTION},
301         {T("unix-data"),   no_argument,       NULL, IMAGEX_UNIX_DATA_OPTION},
302         {T("noacls"),      no_argument,       NULL, IMAGEX_NO_ACLS_OPTION},
303         {T("no-acls"),     no_argument,       NULL, IMAGEX_NO_ACLS_OPTION},
304         {T("strict-acls"), no_argument,       NULL, IMAGEX_STRICT_ACLS_OPTION},
305         {T("no-attributes"), no_argument,     NULL, IMAGEX_NO_ATTRIBUTES_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         {T("no-wildcards"), no_argument,      NULL, IMAGEX_NO_WILDCARDS_OPTION},
310         {T("nullglob"),     no_argument,      NULL, IMAGEX_NULLGLOB_OPTION},
311         {T("preserve-dir-structure"), no_argument, NULL, IMAGEX_PRESERVE_DIR_STRUCTURE_OPTION},
312         {T("wimboot"),     no_argument,       NULL, IMAGEX_WIMBOOT_OPTION},
313         {NULL, 0, NULL, 0},
314 };
315
316 static const struct option info_options[] = {
317         {T("boot"),         no_argument,       NULL, IMAGEX_BOOT_OPTION},
318         {T("check"),        no_argument,       NULL, IMAGEX_CHECK_OPTION},
319         {T("nocheck"),      no_argument,       NULL, IMAGEX_NOCHECK_OPTION},
320         {T("no-check"),     no_argument,       NULL, IMAGEX_NOCHECK_OPTION},
321         {T("extract-xml"),  required_argument, NULL, IMAGEX_EXTRACT_XML_OPTION},
322         {T("header"),       no_argument,       NULL, IMAGEX_HEADER_OPTION},
323         {T("lookup-table"), no_argument,       NULL, IMAGEX_LOOKUP_TABLE_OPTION},
324         {T("metadata"),     no_argument,       NULL, IMAGEX_METADATA_OPTION},
325         {T("xml"),          no_argument,       NULL, IMAGEX_XML_OPTION},
326         {NULL, 0, NULL, 0},
327 };
328
329 static const struct option join_options[] = {
330         {T("check"), no_argument, NULL, IMAGEX_CHECK_OPTION},
331         {NULL, 0, NULL, 0},
332 };
333
334 static const struct option mount_options[] = {
335         {T("check"),             no_argument,       NULL, IMAGEX_CHECK_OPTION},
336         {T("debug"),             no_argument,       NULL, IMAGEX_DEBUG_OPTION},
337         {T("streams-interface"), required_argument, NULL, IMAGEX_STREAMS_INTERFACE_OPTION},
338         {T("ref"),               required_argument, NULL, IMAGEX_REF_OPTION},
339         {T("staging-dir"),       required_argument, NULL, IMAGEX_STAGING_DIR_OPTION},
340         {T("unix-data"),         no_argument,       NULL, IMAGEX_UNIX_DATA_OPTION},
341         {T("allow-other"),       no_argument,       NULL, IMAGEX_ALLOW_OTHER_OPTION},
342         {NULL, 0, NULL, 0},
343 };
344
345 static const struct option optimize_options[] = {
346         {T("check"),       no_argument,       NULL, IMAGEX_CHECK_OPTION},
347         {T("nocheck"),     no_argument,       NULL, IMAGEX_NOCHECK_OPTION},
348         {T("no-check"),    no_argument,       NULL, IMAGEX_NOCHECK_OPTION},
349         {T("compress"),    required_argument, NULL, IMAGEX_COMPRESS_OPTION},
350         {T("recompress"),  no_argument,       NULL, IMAGEX_RECOMPRESS_OPTION},
351         {T("compress-slow"), no_argument,     NULL, IMAGEX_COMPRESS_SLOW_OPTION},
352         {T("recompress-slow"), no_argument,     NULL, IMAGEX_COMPRESS_SLOW_OPTION},
353         {T("chunk-size"),  required_argument, NULL, IMAGEX_CHUNK_SIZE_OPTION},
354         {T("pack-chunk-size"), required_argument, NULL, IMAGEX_PACK_CHUNK_SIZE_OPTION},
355         {T("solid-chunk-size"),required_argument, NULL, IMAGEX_PACK_CHUNK_SIZE_OPTION},
356         {T("pack-compress"), required_argument, NULL, IMAGEX_PACK_COMPRESS_OPTION},
357         {T("solid-compress"),required_argument, NULL, IMAGEX_PACK_COMPRESS_OPTION},
358         {T("pack-streams"),no_argument,       NULL, IMAGEX_PACK_STREAMS_OPTION},
359         {T("solid"),       no_argument,       NULL, IMAGEX_PACK_STREAMS_OPTION},
360         {T("threads"),     required_argument, NULL, IMAGEX_THREADS_OPTION},
361         {T("pipable"),     no_argument,       NULL, IMAGEX_PIPABLE_OPTION},
362         {T("not-pipable"), no_argument,       NULL, IMAGEX_NOT_PIPABLE_OPTION},
363         {NULL, 0, NULL, 0},
364 };
365
366 static const struct option split_options[] = {
367         {T("check"), no_argument, NULL, IMAGEX_CHECK_OPTION},
368         {NULL, 0, NULL, 0},
369 };
370
371 static const struct option unmount_options[] = {
372         {T("commit"),  no_argument, NULL, IMAGEX_COMMIT_OPTION},
373         {T("check"),   no_argument, NULL, IMAGEX_CHECK_OPTION},
374         {T("rebuild"), no_argument, NULL, IMAGEX_REBUILD_OPTION},
375         {T("lazy"),    no_argument, NULL, IMAGEX_LAZY_OPTION},
376         {T("new-image"), no_argument, NULL, IMAGEX_NEW_IMAGE_OPTION},
377         {NULL, 0, NULL, 0},
378 };
379
380 static const struct option update_options[] = {
381         /* Careful: some of the options here set the defaults for update
382          * commands, but the flags given to an actual update command (and not to
383          * `imagex update' itself are also handled in
384          * update_command_add_option().  */
385         {T("threads"),     required_argument, NULL, IMAGEX_THREADS_OPTION},
386         {T("check"),       no_argument,       NULL, IMAGEX_CHECK_OPTION},
387         {T("rebuild"),     no_argument,       NULL, IMAGEX_REBUILD_OPTION},
388         {T("command"),     required_argument, NULL, IMAGEX_COMMAND_OPTION},
389
390         /* Default delete options */
391         {T("force"),       no_argument,       NULL, IMAGEX_FORCE_OPTION},
392         {T("recursive"),   no_argument,       NULL, IMAGEX_RECURSIVE_OPTION},
393
394         /* Global add option */
395         {T("config"),      required_argument, NULL, IMAGEX_CONFIG_OPTION},
396
397         /* Default add options */
398         {T("verbose"),     no_argument,       NULL, IMAGEX_VERBOSE_OPTION},
399         {T("dereference"), no_argument,       NULL, IMAGEX_DEREFERENCE_OPTION},
400         {T("unix-data"),   no_argument,       NULL, IMAGEX_UNIX_DATA_OPTION},
401         {T("noacls"),      no_argument,       NULL, IMAGEX_NO_ACLS_OPTION},
402         {T("no-acls"),     no_argument,       NULL, IMAGEX_NO_ACLS_OPTION},
403         {T("strict-acls"), no_argument,       NULL, IMAGEX_STRICT_ACLS_OPTION},
404
405         {NULL, 0, NULL, 0},
406 };
407
408 #if 0
409 #       define _format_attribute(type, format_str, args_start) \
410                         __attribute__((format(type, format_str, args_start)))
411 #else
412 #       define _format_attribute(type, format_str, args_start)
413 #endif
414
415 /* Print formatted error message to stderr. */
416 static void _format_attribute(printf, 1, 2)
417 imagex_error(const tchar *format, ...)
418 {
419         va_list va;
420         va_start(va, format);
421         tfputs(T("ERROR: "), stderr);
422         tvfprintf(stderr, format, va);
423         tputc(T('\n'), stderr);
424         va_end(va);
425 }
426
427 /* Print formatted error message to stderr. */
428 static void _format_attribute(printf, 1, 2)
429 imagex_error_with_errno(const tchar *format, ...)
430 {
431         int errno_save = errno;
432         va_list va;
433         va_start(va, format);
434         tfputs(T("ERROR: "), stderr);
435         tvfprintf(stderr, format, va);
436         tfprintf(stderr, T(": %"TS"\n"), tstrerror(errno_save));
437         va_end(va);
438 }
439
440 static int
441 verify_image_exists(int image, const tchar *image_name, const tchar *wim_name)
442 {
443         if (image == WIMLIB_NO_IMAGE) {
444                 imagex_error(T("\"%"TS"\" is not a valid image in \"%"TS"\"!\n"
445                              "       Please specify a 1-based image index or "
446                              "image name.  To list the images\n"
447                              "       contained in the WIM archive, run\n"
448                              "\n"
449                              "           %"TS" \"%"TS"\"\n"),
450                              image_name, wim_name,
451                              get_cmd_string(CMD_INFO, false), wim_name);
452                 return WIMLIB_ERR_INVALID_IMAGE;
453         }
454         return 0;
455 }
456
457 static int
458 verify_image_is_single(int image)
459 {
460         if (image == WIMLIB_ALL_IMAGES) {
461                 imagex_error(T("Cannot specify all images for this action!"));
462                 return WIMLIB_ERR_INVALID_IMAGE;
463         }
464         return 0;
465 }
466
467 static int
468 verify_image_exists_and_is_single(int image, const tchar *image_name,
469                                   const tchar *wim_name)
470 {
471         int ret;
472         ret = verify_image_exists(image, image_name, wim_name);
473         if (ret == 0)
474                 ret = verify_image_is_single(image);
475         return ret;
476 }
477
478 /* Parse the argument to --compress */
479 static int
480 get_compression_type(const tchar *optarg)
481 {
482         if (!tstrcasecmp(optarg, T("maximum")) || !tstrcasecmp(optarg, T("lzx")))
483                 return WIMLIB_COMPRESSION_TYPE_LZX;
484         else if (!tstrcasecmp(optarg, T("fast")) || !tstrcasecmp(optarg, T("xpress")))
485                 return WIMLIB_COMPRESSION_TYPE_XPRESS;
486         else if (!tstrcasecmp(optarg, T("recovery")) || !tstrcasecmp(optarg, T("lzms")))
487                 return WIMLIB_COMPRESSION_TYPE_LZMS;
488         else if (!tstrcasecmp(optarg, T("none")))
489                 return WIMLIB_COMPRESSION_TYPE_NONE;
490         else {
491                 imagex_error(T("Invalid compression type \"%"TS"\"! Must be "
492                              "\"maximum\", \"fast\", or \"none\"."), optarg);
493                 return WIMLIB_COMPRESSION_TYPE_INVALID;
494         }
495 }
496
497 static void
498 set_compress_slow(void)
499 {
500         static const struct wimlib_lzx_compressor_params lzx_slow_params = {
501                 .hdr = {
502                         .size = sizeof(struct wimlib_lzx_compressor_params),
503                 },
504                 .algorithm = WIMLIB_LZX_ALGORITHM_SLOW,
505                 .alg_params = {
506                         .slow = {
507                                 .use_len2_matches = 1,
508                                 .nice_match_length = 96,
509                                 .num_optim_passes = 4,
510                                 .max_search_depth = 100,
511                                 .max_matches_per_pos = 10,
512                                 .main_nostat_cost = 15,
513                                 .len_nostat_cost = 15,
514                                 .aligned_nostat_cost = 7,
515                         },
516                 },
517         };
518
519         static const struct wimlib_lzms_compressor_params lzms_slow_params = {
520                 .hdr = {
521                         .size = sizeof(struct wimlib_lzms_compressor_params),
522                 },
523                 .min_match_length = 2,
524                 .max_match_length = UINT32_MAX,
525                 .nice_match_length = 96,
526                 .max_search_depth = 100,
527                 .max_matches_per_pos = 10,
528                 .optim_array_length = 1024,
529         };
530
531         wimlib_set_default_compressor_params(WIMLIB_COMPRESSION_TYPE_LZX,
532                                              &lzx_slow_params.hdr);
533
534         wimlib_set_default_compressor_params(WIMLIB_COMPRESSION_TYPE_LZMS,
535                                              &lzms_slow_params.hdr);
536 }
537
538 struct string_set {
539         const tchar **strings;
540         unsigned num_strings;
541         unsigned num_alloc_strings;
542 };
543
544 #define STRING_SET_INITIALIZER \
545         { .strings = NULL, .num_strings = 0, .num_alloc_strings = 0, }
546
547 #define STRING_SET(_strings) \
548         struct string_set _strings = STRING_SET_INITIALIZER
549
550 static int
551 string_set_append(struct string_set *set, const tchar *glob)
552 {
553         unsigned num_alloc_strings = set->num_alloc_strings;
554
555         if (set->num_strings == num_alloc_strings) {
556                 const tchar **new_strings;
557
558                 num_alloc_strings += 4;
559                 new_strings = realloc(set->strings,
560                                       sizeof(set->strings[0]) * num_alloc_strings);
561                 if (!new_strings) {
562                         imagex_error(T("Out of memory!"));
563                         return -1;
564                 }
565                 set->strings = new_strings;
566                 set->num_alloc_strings = num_alloc_strings;
567         }
568         set->strings[set->num_strings++] = glob;
569         return 0;
570 }
571
572 static void
573 string_set_destroy(struct string_set *set)
574 {
575         free(set->strings);
576 }
577
578 static int
579 wim_reference_globs(WIMStruct *wim, struct string_set *set, int open_flags)
580 {
581         return wimlib_reference_resource_files(wim, set->strings,
582                                                set->num_strings,
583                                                WIMLIB_REF_FLAG_GLOB_ENABLE,
584                                                open_flags,
585                                                imagex_progress_func);
586 }
587
588 static void
589 do_resource_not_found_warning(const tchar *wimfile,
590                               const struct wimlib_wim_info *info,
591                               const struct string_set *refglobs)
592 {
593         if (info->total_parts > 1) {
594                 if (refglobs->num_strings == 0) {
595                         imagex_error(T("\"%"TS"\" is part of a split WIM. "
596                                        "Use --ref to specify the other parts."),
597                                      wimfile);
598                 } else {
599                         imagex_error(T("Perhaps the '--ref' argument did not "
600                                        "specify all other parts of the split "
601                                        "WIM?"));
602                 }
603         } else {
604                 imagex_error(T("If this is a delta WIM, use the --ref argument "
605                                "to specify the WIM(s) on which it is based."));
606         }
607 }
608
609 /* Returns the size of a file given its name, or -1 if the file does not exist
610  * or its size cannot be determined.  */
611 static off_t
612 file_get_size(const tchar *filename)
613 {
614         struct stat st;
615         if (tstat(filename, &st) == 0)
616                 return st.st_size;
617         else
618                 return (off_t)-1;
619 }
620
621 enum {
622         PARSE_STRING_SUCCESS = 0,
623         PARSE_STRING_FAILURE = 1,
624         PARSE_STRING_NONE = 2,
625 };
626
627 /*
628  * Parses a string token from an array of characters.
629  *
630  * Tokens are either whitespace-delimited, or double or single-quoted.
631  *
632  * @line_p:  Pointer to the pointer to the line of data.  Will be updated
633  *           to point past the string token iff the return value is
634  *           PARSE_STRING_SUCCESS.  If *len_p > 0, (*line_p)[*len_p - 1] must
635  *           be '\0'.
636  *
637  * @len_p:   @len_p initially stores the length of the line of data, which may
638  *           be 0, and it will be updated to the number of bytes remaining in
639  *           the line iff the return value is PARSE_STRING_SUCCESS.
640  *
641  * @fn_ret:  Iff the return value is PARSE_STRING_SUCCESS, a pointer to the
642  *           parsed string token will be returned here.
643  *
644  * Returns: PARSE_STRING_SUCCESS if a string token was successfully parsed; or
645  *          PARSE_STRING_FAILURE if the data was invalid due to a missing
646  *          closing quote; or PARSE_STRING_NONE if the line ended before the
647  *          beginning of a string token was found.
648  */
649 static int
650 parse_string(tchar **line_p, size_t *len_p, tchar **fn_ret)
651 {
652         size_t len = *len_p;
653         tchar *line = *line_p;
654         tchar *fn;
655         tchar quote_char;
656
657         /* Skip leading whitespace */
658         for (;;) {
659                 if (len == 0)
660                         return PARSE_STRING_NONE;
661                 if (!istspace(*line) && *line != T('\0'))
662                         break;
663                 line++;
664                 len--;
665         }
666         quote_char = *line;
667         if (quote_char == T('"') || quote_char == T('\'')) {
668                 /* Quoted string */
669                 line++;
670                 len--;
671                 fn = line;
672                 line = tmemchr(line, quote_char, len);
673                 if (!line) {
674                         imagex_error(T("Missing closing quote: %"TS), fn - 1);
675                         return PARSE_STRING_FAILURE;
676                 }
677         } else {
678                 /* Unquoted string.  Go until whitespace.  Line is terminated
679                  * by '\0', so no need to check 'len'. */
680                 fn = line;
681                 do {
682                         line++;
683                 } while (!istspace(*line) && *line != T('\0'));
684         }
685         *line = T('\0');
686         len -= line - fn;
687         *len_p = len;
688         *line_p = line;
689         *fn_ret = fn;
690         return PARSE_STRING_SUCCESS;
691 }
692
693 /* Parses a line of data (not an empty line or comment) in the source list file
694  * format.  (See the man page for 'wimlib-imagex capture' for details on this
695  * format and the meaning.)
696  *
697  * @line:  Line of data to be parsed.  line[len - 1] must be '\0', unless
698  *         len == 0.  The data in @line will be modified by this function call.
699  *
700  * @len:   Length of the line of data.
701  *
702  * @source:  On success, the capture source and target described by the line is
703  *           written into this destination.  Note that it will contain pointers
704  *           to data in the @line array.
705  *
706  * Returns true if the line was valid; false otherwise.  */
707 static bool
708 parse_source_list_line(tchar *line, size_t len,
709                        struct wimlib_capture_source *source)
710 {
711         /* SOURCE [DEST] */
712         int ret;
713         ret = parse_string(&line, &len, &source->fs_source_path);
714         if (ret != PARSE_STRING_SUCCESS)
715                 return false;
716         ret = parse_string(&line, &len, &source->wim_target_path);
717         if (ret == PARSE_STRING_NONE)
718                 source->wim_target_path = source->fs_source_path;
719         return ret != PARSE_STRING_FAILURE;
720 }
721
722 /* Returns %true if the given line of length @len > 0 is a comment or empty line
723  * in the source list file format. */
724 static bool
725 is_comment_line(const tchar *line, size_t len)
726 {
727         for (;;) {
728                 if (*line == T('#') || *line == T(';'))
729                         return true;
730                 if (!istspace(*line) && *line != T('\0'))
731                         return false;
732                 ++line;
733                 --len;
734                 if (len == 0)
735                         return true;
736         }
737 }
738
739 static ssize_t
740 text_file_count_lines(tchar **contents_p, size_t *nchars_p)
741 {
742         ssize_t nlines = 0;
743         tchar *contents = *contents_p;
744         size_t nchars = *nchars_p;
745         size_t i;
746
747         for (i = 0; i < nchars; i++)
748                 if (contents[i] == T('\n'))
749                         nlines++;
750
751         /* Handle last line not terminated by a newline */
752         if (nchars != 0 && contents[nchars - 1] != T('\n')) {
753                 contents = realloc(contents, (nchars + 1) * sizeof(tchar));
754                 if (!contents) {
755                         imagex_error(T("Out of memory!"));
756                         return -1;
757                 }
758                 contents[nchars] = T('\n');
759                 *contents_p = contents;
760                 nchars++;
761                 nlines++;
762         }
763         *nchars_p = nchars;
764         return nlines;
765 }
766
767 /* Parses a file in the source list format.  (See the man page for
768  * 'wimlib-imagex capture' for details on this format and the meaning.)
769  *
770  * @source_list_contents:  Contents of the source list file.  Note that this
771  *                         buffer will be modified to save memory allocations,
772  *                         and cannot be freed until the returned array of
773  *                         wimlib_capture_source's has also been freed.
774  *
775  * @source_list_nbytes:    Number of bytes of data in the @source_list_contents
776  *                         buffer.
777  *
778  * @nsources_ret:          On success, the length of the returned array is
779  *                         returned here.
780  *
781  * Returns:   An array of `struct wimlib_capture_source's that can be passed to
782  * the wimlib_add_image_multisource() function to specify how a WIM image is to
783  * be created.  */
784 static struct wimlib_capture_source *
785 parse_source_list(tchar **source_list_contents_p, size_t source_list_nchars,
786                   size_t *nsources_ret)
787 {
788         ssize_t nlines;
789         tchar *p;
790         struct wimlib_capture_source *sources;
791         size_t i, j;
792
793         nlines = text_file_count_lines(source_list_contents_p,
794                                        &source_list_nchars);
795         if (nlines < 0)
796                 return NULL;
797
798         /* Always allocate at least 1 slot, just in case the implementation of
799          * calloc() returns NULL if 0 bytes are requested. */
800         sources = calloc(nlines ?: 1, sizeof(*sources));
801         if (!sources) {
802                 imagex_error(T("out of memory"));
803                 return NULL;
804         }
805         p = *source_list_contents_p;
806         j = 0;
807         for (i = 0; i < nlines; i++) {
808                 /* XXX: Could use rawmemchr() here instead, but it may not be
809                  * available on all platforms. */
810                 tchar *endp = tmemchr(p, T('\n'), source_list_nchars);
811                 size_t len = endp - p + 1;
812                 *endp = T('\0');
813                 if (!is_comment_line(p, len)) {
814                         if (!parse_source_list_line(p, len, &sources[j++])) {
815                                 free(sources);
816                                 return NULL;
817                         }
818                 }
819                 p = endp + 1;
820
821         }
822         *nsources_ret = j;
823         return sources;
824 }
825
826 /* Reads the contents of a file into memory. */
827 static char *
828 file_get_contents(const tchar *filename, size_t *len_ret)
829 {
830         struct stat stbuf;
831         void *buf = NULL;
832         size_t len;
833         FILE *fp;
834
835         if (tstat(filename, &stbuf) != 0) {
836                 imagex_error_with_errno(T("Failed to stat the file \"%"TS"\""), filename);
837                 goto out;
838         }
839         len = stbuf.st_size;
840
841         fp = tfopen(filename, T("rb"));
842         if (!fp) {
843                 imagex_error_with_errno(T("Failed to open the file \"%"TS"\""), filename);
844                 goto out;
845         }
846
847         buf = malloc(len ? len : 1);
848         if (!buf) {
849                 imagex_error(T("Failed to allocate buffer of %zu bytes to hold "
850                                "contents of file \"%"TS"\""), len, filename);
851                 goto out_fclose;
852         }
853         if (fread(buf, 1, len, fp) != len) {
854                 imagex_error_with_errno(T("Failed to read %zu bytes from the "
855                                           "file \"%"TS"\""), len, filename);
856                 goto out_free_buf;
857         }
858         *len_ret = len;
859         goto out_fclose;
860 out_free_buf:
861         free(buf);
862         buf = NULL;
863 out_fclose:
864         fclose(fp);
865 out:
866         return buf;
867 }
868
869 /* Read standard input until EOF and return the full contents in a malloc()ed
870  * buffer and the number of bytes of data in @len_ret.  Returns NULL on read
871  * error. */
872 static char *
873 stdin_get_contents(size_t *len_ret)
874 {
875         /* stdin can, of course, be a pipe or other non-seekable file, so the
876          * total length of the data cannot be pre-determined */
877         char *buf = NULL;
878         size_t newlen = 1024;
879         size_t pos = 0;
880         size_t inc = 1024;
881         for (;;) {
882                 char *p = realloc(buf, newlen);
883                 size_t bytes_read, bytes_to_read;
884                 if (!p) {
885                         imagex_error(T("out of memory while reading stdin"));
886                         break;
887                 }
888                 buf = p;
889                 bytes_to_read = newlen - pos;
890                 bytes_read = fread(&buf[pos], 1, bytes_to_read, stdin);
891                 pos += bytes_read;
892                 if (bytes_read != bytes_to_read) {
893                         if (feof(stdin)) {
894                                 *len_ret = pos;
895                                 return buf;
896                         } else {
897                                 imagex_error_with_errno(T("error reading stdin"));
898                                 break;
899                         }
900                 }
901                 newlen += inc;
902                 inc *= 3;
903                 inc /= 2;
904         }
905         free(buf);
906         return NULL;
907 }
908
909
910 static tchar *
911 translate_text_to_tstr(char *text, size_t num_bytes, size_t *num_tchars_ret)
912 {
913 #ifndef __WIN32__
914         /* On non-Windows, assume an ASCII-compatible encoding, such as UTF-8.
915          * */
916         *num_tchars_ret = num_bytes;
917         return text;
918 #else /* !__WIN32__ */
919         /* On Windows, translate the text to UTF-16LE */
920         wchar_t *text_wstr;
921         size_t num_wchars;
922
923         if (num_bytes >= 2 &&
924             (((unsigned char)text[0] == 0xff && (unsigned char)text[1] == 0xfe) ||
925              ((unsigned char)text[0] <= 0x7f && (unsigned char)text[1] == 0x00)))
926         {
927                 /* File begins with 0xfeff, the BOM for UTF-16LE, or it begins
928                  * with something that looks like an ASCII character encoded as
929                  * a UTF-16LE code unit.  Assume the file is encoded as
930                  * UTF-16LE.  This is not a 100% reliable check. */
931                 num_wchars = num_bytes / 2;
932                 text_wstr = (wchar_t*)text;
933         } else {
934                 /* File does not look like UTF-16LE.  Assume it is encoded in
935                  * the current Windows code page.  I think these are always
936                  * ASCII-compatible, so any so-called "plain-text" (ASCII) files
937                  * should work as expected. */
938                 text_wstr = win32_mbs_to_wcs(text,
939                                              num_bytes,
940                                              &num_wchars);
941                 free(text);
942         }
943         *num_tchars_ret = num_wchars;
944         return text_wstr;
945 #endif /* __WIN32__ */
946 }
947
948 static tchar *
949 file_get_text_contents(const tchar *filename, size_t *num_tchars_ret)
950 {
951         char *contents;
952         size_t num_bytes;
953
954         contents = file_get_contents(filename, &num_bytes);
955         if (!contents)
956                 return NULL;
957         return translate_text_to_tstr(contents, num_bytes, num_tchars_ret);
958 }
959
960 static tchar *
961 stdin_get_text_contents(size_t *num_tchars_ret)
962 {
963         char *contents;
964         size_t num_bytes;
965
966         contents = stdin_get_contents(&num_bytes);
967         if (!contents)
968                 return NULL;
969         return translate_text_to_tstr(contents, num_bytes, num_tchars_ret);
970 }
971
972 #define TO_PERCENT(numerator, denominator) \
973         (((denominator) == 0) ? 0 : ((numerator) * 100 / (denominator)))
974
975 #define GIBIBYTE_MIN_NBYTES 10000000000ULL
976 #define MEBIBYTE_MIN_NBYTES 10000000ULL
977 #define KIBIBYTE_MIN_NBYTES 10000ULL
978
979 static unsigned
980 get_unit(uint64_t total_bytes, const tchar **name_ret)
981 {
982         if (total_bytes >= GIBIBYTE_MIN_NBYTES) {
983                 *name_ret = T("GiB");
984                 return 30;
985         } else if (total_bytes >= MEBIBYTE_MIN_NBYTES) {
986                 *name_ret = T("MiB");
987                 return 20;
988         } else if (total_bytes >= KIBIBYTE_MIN_NBYTES) {
989                 *name_ret = T("KiB");
990                 return 10;
991         } else {
992                 *name_ret = T("bytes");
993                 return 0;
994         }
995 }
996
997 static struct wimlib_progress_info_scan last_scan_progress;
998
999 static void
1000 report_scan_progress(const struct wimlib_progress_info_scan *scan, bool done)
1001 {
1002         uint64_t prev_count, cur_count;
1003
1004         prev_count = last_scan_progress.num_nondirs_scanned +
1005                      last_scan_progress.num_dirs_scanned;
1006         cur_count = scan->num_nondirs_scanned + scan->num_dirs_scanned;
1007
1008         if (done || prev_count == 0 || cur_count >= prev_count + 100 ||
1009             cur_count % 128 == 0)
1010         {
1011                 unsigned unit_shift;
1012                 const tchar *unit_name;
1013
1014                 unit_shift = get_unit(scan->num_bytes_scanned, &unit_name);
1015                 imagex_printf(T("\r%"PRIu64" %"TS" scanned (%"PRIu64" files, "
1016                                 "%"PRIu64" directories)    "),
1017                               scan->num_bytes_scanned >> unit_shift,
1018                               unit_name,
1019                               scan->num_nondirs_scanned,
1020                               scan->num_dirs_scanned);
1021                 last_scan_progress = *scan;
1022         }
1023 }
1024
1025 /* Progress callback function passed to various wimlib functions. */
1026 static int
1027 imagex_progress_func(enum wimlib_progress_msg msg,
1028                      const union wimlib_progress_info *info)
1029 {
1030         unsigned percent_done;
1031         unsigned unit_shift;
1032         const tchar *unit_name;
1033
1034         if (imagex_be_quiet)
1035                 return 0;
1036         switch (msg) {
1037         case WIMLIB_PROGRESS_MSG_WRITE_STREAMS:
1038                 {
1039                         static bool first = true;
1040                         if (first) {
1041                                 imagex_printf(T("Writing %"TS"-compressed data "
1042                                                 "using %u thread%"TS"\n"),
1043                                               wimlib_get_compression_type_string(
1044                                                         info->write_streams.compression_type),
1045                                         info->write_streams.num_threads,
1046                                         (info->write_streams.num_threads == 1) ? T("") : T("s"));
1047                                 first = false;
1048                         }
1049                 }
1050                 unit_shift = get_unit(info->write_streams.total_bytes, &unit_name);
1051                 percent_done = TO_PERCENT(info->write_streams.completed_bytes,
1052                                           info->write_streams.total_bytes);
1053
1054                 if (info->write_streams.total_parts <= 1) {
1055                         imagex_printf(T("\r%"PRIu64" %"TS" of %"PRIu64" %"TS" (uncompressed) "
1056                                 "written (%u%% done)"),
1057                                 info->write_streams.completed_bytes >> unit_shift,
1058                                 unit_name,
1059                                 info->write_streams.total_bytes >> unit_shift,
1060                                 unit_name,
1061                                 percent_done);
1062                 } else {
1063                         imagex_printf(T("\rWriting resources from part %u of %u: "
1064                                   "%"PRIu64 " %"TS" of %"PRIu64" %"TS" (%u%%) written"),
1065                                 (info->write_streams.completed_parts ==
1066                                         info->write_streams.total_parts) ?
1067                                                 info->write_streams.completed_parts :
1068                                                 info->write_streams.completed_parts + 1,
1069                                 info->write_streams.total_parts,
1070                                 info->write_streams.completed_bytes >> unit_shift,
1071                                 unit_name,
1072                                 info->write_streams.total_bytes >> unit_shift,
1073                                 unit_name,
1074                                 percent_done);
1075                 }
1076                 if (info->write_streams.completed_bytes >= info->write_streams.total_bytes)
1077                         imagex_printf(T("\n"));
1078                 break;
1079         case WIMLIB_PROGRESS_MSG_SCAN_BEGIN:
1080                 imagex_printf(T("Scanning \"%"TS"\""), info->scan.source);
1081                 if (*info->scan.wim_target_path) {
1082                         imagex_printf(T(" (loading as WIM path: "
1083                                   "\""WIMLIB_WIM_PATH_SEPARATOR_STRING"%"TS"\")...\n"),
1084                                info->scan.wim_target_path);
1085                 } else {
1086                         imagex_printf(T("\n"));
1087                 }
1088                 memset(&last_scan_progress, 0, sizeof(last_scan_progress));
1089                 break;
1090         case WIMLIB_PROGRESS_MSG_SCAN_DENTRY:
1091                 switch (info->scan.status) {
1092                 case WIMLIB_SCAN_DENTRY_OK:
1093                         report_scan_progress(&info->scan, false);
1094                         break;
1095                 case WIMLIB_SCAN_DENTRY_EXCLUDED:
1096                         imagex_printf(T("\nExcluding \"%"TS"\" from capture\n"), info->scan.cur_path);
1097                         break;
1098                 case WIMLIB_SCAN_DENTRY_UNSUPPORTED:
1099                         imagex_printf(T("\nWARNING: Excluding unsupported file or directory\n"
1100                                         "         \"%"TS"\" from capture\n"), info->scan.cur_path);
1101                         break;
1102                 case WIMLIB_SCAN_DENTRY_EXCLUDED_SYMLINK:
1103                         imagex_printf(T("\nWARNING: Ignoring absolute symbolic link "
1104                                         "with out-of-tree target:\n"
1105                                         "           \"%"TS"\" => \"%"TS"\"\n"
1106                                         "           (Use --norpfix to capture "
1107                                         "absolute symbolic links as-is)\n"),
1108                                         info->scan.cur_path, info->scan.symlink_target);
1109                         break;
1110                 }
1111                 break;
1112         case WIMLIB_PROGRESS_MSG_SCAN_END:
1113                 report_scan_progress(&info->scan, true);
1114                 imagex_printf(T("\n"));
1115                 break;
1116         case WIMLIB_PROGRESS_MSG_VERIFY_INTEGRITY:
1117                 unit_shift = get_unit(info->integrity.total_bytes, &unit_name);
1118                 percent_done = TO_PERCENT(info->integrity.completed_bytes,
1119                                           info->integrity.total_bytes);
1120                 imagex_printf(T("\rVerifying integrity of \"%"TS"\": %"PRIu64" %"TS" "
1121                         "of %"PRIu64" %"TS" (%u%%) done"),
1122                         info->integrity.filename,
1123                         info->integrity.completed_bytes >> unit_shift,
1124                         unit_name,
1125                         info->integrity.total_bytes >> unit_shift,
1126                         unit_name,
1127                         percent_done);
1128                 if (info->integrity.completed_bytes == info->integrity.total_bytes)
1129                         imagex_printf(T("\n"));
1130                 break;
1131         case WIMLIB_PROGRESS_MSG_CALC_INTEGRITY:
1132                 unit_shift = get_unit(info->integrity.total_bytes, &unit_name);
1133                 percent_done = TO_PERCENT(info->integrity.completed_bytes,
1134                                           info->integrity.total_bytes);
1135                 imagex_printf(T("\rCalculating integrity table for WIM: %"PRIu64" %"TS" "
1136                           "of %"PRIu64" %"TS" (%u%%) done"),
1137                         info->integrity.completed_bytes >> unit_shift,
1138                         unit_name,
1139                         info->integrity.total_bytes >> unit_shift,
1140                         unit_name,
1141                         percent_done);
1142                 if (info->integrity.completed_bytes == info->integrity.total_bytes)
1143                         imagex_printf(T("\n"));
1144                 break;
1145         case WIMLIB_PROGRESS_MSG_EXTRACT_IMAGE_BEGIN:
1146                 imagex_printf(T("Applying image %d (\"%"TS"\") from \"%"TS"\" "
1147                           "to %"TS" \"%"TS"\"\n"),
1148                         info->extract.image,
1149                         info->extract.image_name,
1150                         info->extract.wimfile_name,
1151                         ((info->extract.extract_flags & WIMLIB_EXTRACT_FLAG_NTFS) ?
1152                          T("NTFS volume") : T("directory")),
1153                         info->extract.target);
1154                 break;
1155         case WIMLIB_PROGRESS_MSG_EXTRACT_TREE_BEGIN:
1156                 if (info->extract.extract_root_wim_source_path[0]) {
1157                         imagex_printf(T("Extracting \"%"TS"\" from image %d "
1158                                         "(\"%"TS"\") in \"%"TS"\" to \"%"TS"\"\n"),
1159                                       info->extract.extract_root_wim_source_path,
1160                                       info->extract.image,
1161                                       info->extract.image_name,
1162                                       info->extract.wimfile_name,
1163                                       info->extract.target);
1164                 }
1165                 break;
1166         case WIMLIB_PROGRESS_MSG_EXTRACT_STREAMS:
1167                 percent_done = TO_PERCENT(info->extract.completed_bytes,
1168                                           info->extract.total_bytes);
1169                 unit_shift = get_unit(info->extract.total_bytes, &unit_name);
1170                 imagex_printf(T("\rExtracting files: "
1171                           "%"PRIu64" %"TS" of %"PRIu64" %"TS" (%u%%) done"),
1172                         info->extract.completed_bytes >> unit_shift,
1173                         unit_name,
1174                         info->extract.total_bytes >> unit_shift,
1175                         unit_name,
1176                         percent_done);
1177                 if (info->extract.completed_bytes >= info->extract.total_bytes)
1178                         imagex_printf(T("\n"));
1179                 break;
1180         case WIMLIB_PROGRESS_MSG_EXTRACT_SPWM_PART_BEGIN:
1181                 if (info->extract.total_parts != 1) {
1182                         imagex_printf(T("\nReading split pipable WIM part %u of %u\n"),
1183                                       info->extract.part_number,
1184                                       info->extract.total_parts);
1185                 }
1186                 break;
1187         case WIMLIB_PROGRESS_MSG_APPLY_TIMESTAMPS:
1188                 if (info->extract.extract_root_wim_source_path[0] == T('\0'))
1189                         imagex_printf(T("Setting timestamps on all extracted files...\n"));
1190                 break;
1191         case WIMLIB_PROGRESS_MSG_EXTRACT_IMAGE_END:
1192                 if (info->extract.extract_flags & WIMLIB_EXTRACT_FLAG_NTFS) {
1193                         imagex_printf(T("Unmounting NTFS volume \"%"TS"\"...\n"),
1194                                 info->extract.target);
1195                 }
1196                 break;
1197         case WIMLIB_PROGRESS_MSG_SPLIT_BEGIN_PART:
1198                 percent_done = TO_PERCENT(info->split.completed_bytes,
1199                                           info->split.total_bytes);
1200                 unit_shift = get_unit(info->split.total_bytes, &unit_name);
1201                 imagex_printf(T("Writing \"%"TS"\" (part %u of %u): %"PRIu64" %"TS" of "
1202                           "%"PRIu64" %"TS" (%u%%) written\n"),
1203                         info->split.part_name,
1204                         info->split.cur_part_number,
1205                         info->split.total_parts,
1206                         info->split.completed_bytes >> unit_shift,
1207                         unit_name,
1208                         info->split.total_bytes >> unit_shift,
1209                         unit_name,
1210                         percent_done);
1211                 break;
1212         case WIMLIB_PROGRESS_MSG_SPLIT_END_PART:
1213                 if (info->split.completed_bytes == info->split.total_bytes) {
1214                         imagex_printf(T("Finished writing split WIM part %u of %u\n"),
1215                                 info->split.cur_part_number,
1216                                 info->split.total_parts);
1217                 }
1218                 break;
1219         case WIMLIB_PROGRESS_MSG_UPDATE_END_COMMAND:
1220                 switch (info->update.command->op) {
1221                 case WIMLIB_UPDATE_OP_DELETE:
1222                         imagex_printf(T("Deleted WIM path "
1223                                   "\""WIMLIB_WIM_PATH_SEPARATOR_STRING "%"TS"\"\n"),
1224                                 info->update.command->delete_.wim_path);
1225                         break;
1226                 case WIMLIB_UPDATE_OP_RENAME:
1227                         imagex_printf(T("Renamed WIM path "
1228                                   "\""WIMLIB_WIM_PATH_SEPARATOR_STRING "%"TS"\" => "
1229                                   "\""WIMLIB_WIM_PATH_SEPARATOR_STRING "%"TS"\"\n"),
1230                                 info->update.command->rename.wim_source_path,
1231                                 info->update.command->rename.wim_target_path);
1232                         break;
1233                 case WIMLIB_UPDATE_OP_ADD:
1234                 default:
1235                         break;
1236                 }
1237                 break;
1238         default:
1239                 break;
1240         }
1241         fflush(imagex_info_file);
1242         return 0;
1243 }
1244
1245 static unsigned
1246 parse_num_threads(const tchar *optarg)
1247 {
1248         tchar *tmp;
1249         unsigned long ul_nthreads = tstrtoul(optarg, &tmp, 10);
1250         if (ul_nthreads >= UINT_MAX || *tmp || tmp == optarg) {
1251                 imagex_error(T("Number of threads must be a non-negative integer!"));
1252                 return UINT_MAX;
1253         } else {
1254                 return ul_nthreads;
1255         }
1256 }
1257
1258 static uint32_t parse_chunk_size(const tchar *optarg)
1259 {
1260        tchar *tmp;
1261        unsigned long chunk_size = tstrtoul(optarg, &tmp, 10);
1262        if (chunk_size >= UINT32_MAX || *tmp || tmp == optarg) {
1263                imagex_error(T("Chunk size must be a non-negative integer!"));
1264                return UINT32_MAX;
1265        } else {
1266                return chunk_size;
1267        }
1268 }
1269
1270
1271 /*
1272  * Parse an option passed to an update command.
1273  *
1274  * @op:         One of WIMLIB_UPDATE_OP_* that indicates the command being
1275  *              parsed.
1276  *
1277  * @option:     Text string for the option (beginning with --)
1278  *
1279  * @cmd:        `struct wimlib_update_command' that is being constructed for
1280  *              this command.
1281  *
1282  * Returns true if the option was recognized; false if not.
1283  */
1284 static bool
1285 update_command_add_option(int op, const tchar *option,
1286                           struct wimlib_update_command *cmd)
1287 {
1288         bool recognized = true;
1289         switch (op) {
1290         case WIMLIB_UPDATE_OP_ADD:
1291                 if (!tstrcmp(option, T("--verbose")))
1292                         cmd->add.add_flags |= WIMLIB_ADD_FLAG_VERBOSE;
1293                 else if (!tstrcmp(option, T("--unix-data")))
1294                         cmd->add.add_flags |= WIMLIB_ADD_FLAG_UNIX_DATA;
1295                 else if (!tstrcmp(option, T("--no-acls")) || !tstrcmp(option, T("--noacls")))
1296                         cmd->add.add_flags |= WIMLIB_ADD_FLAG_NO_ACLS;
1297                 else if (!tstrcmp(option, T("--strict-acls")))
1298                         cmd->add.add_flags |= WIMLIB_ADD_FLAG_STRICT_ACLS;
1299                 else if (!tstrcmp(option, T("--dereference")))
1300                         cmd->add.add_flags |= WIMLIB_ADD_FLAG_DEREFERENCE;
1301                 else
1302                         recognized = false;
1303                 break;
1304         case WIMLIB_UPDATE_OP_DELETE:
1305                 if (!tstrcmp(option, T("--force")))
1306                         cmd->delete_.delete_flags |= WIMLIB_DELETE_FLAG_FORCE;
1307                 else if (!tstrcmp(option, T("--recursive")))
1308                         cmd->delete_.delete_flags |= WIMLIB_DELETE_FLAG_RECURSIVE;
1309                 else
1310                         recognized = false;
1311                 break;
1312         default:
1313                 recognized = false;
1314                 break;
1315         }
1316         return recognized;
1317 }
1318
1319 /* How many nonoption arguments each `imagex update' command expects */
1320 static const unsigned update_command_num_nonoptions[] = {
1321         [WIMLIB_UPDATE_OP_ADD] = 2,
1322         [WIMLIB_UPDATE_OP_DELETE] = 1,
1323         [WIMLIB_UPDATE_OP_RENAME] = 2,
1324 };
1325
1326 static void
1327 update_command_add_nonoption(int op, const tchar *nonoption,
1328                              struct wimlib_update_command *cmd,
1329                              unsigned num_nonoptions)
1330 {
1331         switch (op) {
1332         case WIMLIB_UPDATE_OP_ADD:
1333                 if (num_nonoptions == 0)
1334                         cmd->add.fs_source_path = (tchar*)nonoption;
1335                 else
1336                         cmd->add.wim_target_path = (tchar*)nonoption;
1337                 break;
1338         case WIMLIB_UPDATE_OP_DELETE:
1339                 cmd->delete_.wim_path = (tchar*)nonoption;
1340                 break;
1341         case WIMLIB_UPDATE_OP_RENAME:
1342                 if (num_nonoptions == 0)
1343                         cmd->rename.wim_source_path = (tchar*)nonoption;
1344                 else
1345                         cmd->rename.wim_target_path = (tchar*)nonoption;
1346                 break;
1347         }
1348 }
1349
1350 /*
1351  * Parse a command passed on stdin to `imagex update'.
1352  *
1353  * @line:       Text of the command.
1354  * @len:        Length of the line, including a null terminator
1355  *              at line[len - 1].
1356  *
1357  * @command:    A `struct wimlib_update_command' to fill in from the parsed
1358  *              line.
1359  *
1360  * @line_number: Line number of the command, for diagnostics.
1361  *
1362  * Returns true on success; returns false on parse error.
1363  */
1364 static bool
1365 parse_update_command(tchar *line, size_t len,
1366                      struct wimlib_update_command *command,
1367                      size_t line_number)
1368 {
1369         int ret;
1370         tchar *command_name;
1371         int op;
1372         size_t num_nonoptions;
1373
1374         /* Get the command name ("add", "delete", "rename") */
1375         ret = parse_string(&line, &len, &command_name);
1376         if (ret != PARSE_STRING_SUCCESS)
1377                 return false;
1378
1379         if (!tstrcasecmp(command_name, T("add"))) {
1380                 op = WIMLIB_UPDATE_OP_ADD;
1381         } else if (!tstrcasecmp(command_name, T("delete"))) {
1382                 op = WIMLIB_UPDATE_OP_DELETE;
1383         } else if (!tstrcasecmp(command_name, T("rename"))) {
1384                 op = WIMLIB_UPDATE_OP_RENAME;
1385         } else {
1386                 imagex_error(T("Unknown update command \"%"TS"\" on line %zu"),
1387                              command_name, line_number);
1388                 return false;
1389         }
1390         command->op = op;
1391
1392         /* Parse additional options and non-options as needed */
1393         num_nonoptions = 0;
1394         for (;;) {
1395                 tchar *next_string;
1396
1397                 ret = parse_string(&line, &len, &next_string);
1398                 if (ret == PARSE_STRING_NONE) /* End of line */
1399                         break;
1400                 else if (ret != PARSE_STRING_SUCCESS) /* Parse failure */
1401                         return false;
1402                 if (next_string[0] == T('-') && next_string[1] == T('-')) {
1403                         /* Option */
1404                         if (!update_command_add_option(op, next_string, command))
1405                         {
1406                                 imagex_error(T("Unrecognized option \"%"TS"\" to "
1407                                                "update command \"%"TS"\" on line %zu"),
1408                                              next_string, command_name, line_number);
1409
1410                                 return false;
1411                         }
1412                 } else {
1413                         /* Nonoption */
1414                         if (num_nonoptions == update_command_num_nonoptions[op])
1415                         {
1416                                 imagex_error(T("Unexpected argument \"%"TS"\" in "
1417                                                "update command on line %zu\n"
1418                                                "       (The \"%"TS"\" command only "
1419                                                "takes %zu nonoption arguments!)\n"),
1420                                              next_string, line_number,
1421                                              command_name, num_nonoptions);
1422                                 return false;
1423                         }
1424                         update_command_add_nonoption(op, next_string,
1425                                                      command, num_nonoptions);
1426                         num_nonoptions++;
1427                 }
1428         }
1429
1430         if (num_nonoptions != update_command_num_nonoptions[op]) {
1431                 imagex_error(T("Not enough arguments to update command "
1432                                "\"%"TS"\" on line %zu"), command_name, line_number);
1433                 return false;
1434         }
1435         return true;
1436 }
1437
1438 static struct wimlib_update_command *
1439 parse_update_command_file(tchar **cmd_file_contents_p, size_t cmd_file_nchars,
1440                           size_t *num_cmds_ret)
1441 {
1442         ssize_t nlines;
1443         tchar *p;
1444         struct wimlib_update_command *cmds;
1445         size_t i, j;
1446
1447         nlines = text_file_count_lines(cmd_file_contents_p,
1448                                        &cmd_file_nchars);
1449         if (nlines < 0)
1450                 return NULL;
1451
1452         /* Always allocate at least 1 slot, just in case the implementation of
1453          * calloc() returns NULL if 0 bytes are requested. */
1454         cmds = calloc(nlines ?: 1, sizeof(struct wimlib_update_command));
1455         if (!cmds) {
1456                 imagex_error(T("out of memory"));
1457                 return NULL;
1458         }
1459         p = *cmd_file_contents_p;
1460         j = 0;
1461         for (i = 0; i < nlines; i++) {
1462                 /* XXX: Could use rawmemchr() here instead, but it may not be
1463                  * available on all platforms. */
1464                 tchar *endp = tmemchr(p, T('\n'), cmd_file_nchars);
1465                 size_t len = endp - p + 1;
1466                 *endp = T('\0');
1467                 if (!is_comment_line(p, len)) {
1468                         if (!parse_update_command(p, len, &cmds[j++], i + 1)) {
1469                                 free(cmds);
1470                                 return NULL;
1471                         }
1472                 }
1473                 p = endp + 1;
1474         }
1475         *num_cmds_ret = j;
1476         return cmds;
1477 }
1478
1479 /* Apply one image, or all images, from a WIM file to a directory, OR apply
1480  * one image from a WIM file to a NTFS volume.  */
1481 static int
1482 imagex_apply(int argc, tchar **argv, int cmd)
1483 {
1484         int c;
1485         int open_flags = 0;
1486         int image = WIMLIB_NO_IMAGE;
1487         WIMStruct *wim;
1488         struct wimlib_wim_info info;
1489         int ret;
1490         const tchar *wimfile;
1491         const tchar *target;
1492         const tchar *image_num_or_name = NULL;
1493         int extract_flags = 0;
1494
1495         STRING_SET(refglobs);
1496
1497         for_opt(c, apply_options) {
1498                 switch (c) {
1499                 case IMAGEX_CHECK_OPTION:
1500                         open_flags |= WIMLIB_OPEN_FLAG_CHECK_INTEGRITY;
1501                         break;
1502                 case IMAGEX_HARDLINK_OPTION:
1503                         extract_flags |= WIMLIB_EXTRACT_FLAG_HARDLINK;
1504                         break;
1505                 case IMAGEX_SYMLINK_OPTION:
1506                         extract_flags |= WIMLIB_EXTRACT_FLAG_SYMLINK;
1507                         break;
1508                 case IMAGEX_VERBOSE_OPTION:
1509                         /* No longer does anything.  */
1510                         break;
1511                 case IMAGEX_REF_OPTION:
1512                         ret = string_set_append(&refglobs, optarg);
1513                         if (ret)
1514                                 goto out_free_refglobs;
1515                         break;
1516                 case IMAGEX_UNIX_DATA_OPTION:
1517                         extract_flags |= WIMLIB_EXTRACT_FLAG_UNIX_DATA;
1518                         break;
1519                 case IMAGEX_NO_ACLS_OPTION:
1520                         extract_flags |= WIMLIB_EXTRACT_FLAG_NO_ACLS;
1521                         break;
1522                 case IMAGEX_STRICT_ACLS_OPTION:
1523                         extract_flags |= WIMLIB_EXTRACT_FLAG_STRICT_ACLS;
1524                         break;
1525                 case IMAGEX_NO_ATTRIBUTES_OPTION:
1526                         extract_flags |= WIMLIB_EXTRACT_FLAG_NO_ATTRIBUTES;
1527                         break;
1528                 case IMAGEX_NORPFIX_OPTION:
1529                         extract_flags |= WIMLIB_EXTRACT_FLAG_NORPFIX;
1530                         break;
1531                 case IMAGEX_RPFIX_OPTION:
1532                         extract_flags |= WIMLIB_EXTRACT_FLAG_RPFIX;
1533                         break;
1534                 case IMAGEX_INCLUDE_INVALID_NAMES_OPTION:
1535                         extract_flags |= WIMLIB_EXTRACT_FLAG_REPLACE_INVALID_FILENAMES;
1536                         extract_flags |= WIMLIB_EXTRACT_FLAG_ALL_CASE_CONFLICTS;
1537                         break;
1538                 case IMAGEX_RESUME_OPTION:
1539                         extract_flags |= WIMLIB_EXTRACT_FLAG_RESUME;
1540                         break;
1541                 case IMAGEX_WIMBOOT_OPTION:
1542                         extract_flags |= WIMLIB_EXTRACT_FLAG_WIMBOOT;
1543                         break;
1544                 default:
1545                         goto out_usage;
1546                 }
1547         }
1548         argc -= optind;
1549         argv += optind;
1550         if (argc != 2 && argc != 3)
1551                 goto out_usage;
1552
1553         wimfile = argv[0];
1554
1555         if (!tstrcmp(wimfile, T("-"))) {
1556                 /* Attempt to apply pipable WIM from standard input.  */
1557                 if (argc == 2) {
1558                         image_num_or_name = NULL;
1559                         target = argv[1];
1560                 } else {
1561                         image_num_or_name = argv[1];
1562                         target = argv[2];
1563                 }
1564                 wim = NULL;
1565         } else {
1566                 ret = wimlib_open_wim(wimfile, open_flags, &wim,
1567                                       imagex_progress_func);
1568                 if (ret)
1569                         goto out_free_refglobs;
1570
1571                 wimlib_get_wim_info(wim, &info);
1572
1573                 if (argc >= 3) {
1574                         /* Image explicitly specified.  */
1575                         image_num_or_name = argv[1];
1576                         image = wimlib_resolve_image(wim, image_num_or_name);
1577                         ret = verify_image_exists(image, image_num_or_name, wimfile);
1578                         if (ret)
1579                                 goto out_wimlib_free;
1580                         target = argv[2];
1581                 } else {
1582                         /* No image specified; default to image 1, but only if the WIM
1583                          * contains exactly one image.  */
1584
1585                         if (info.image_count != 1) {
1586                                 imagex_error(T("\"%"TS"\" contains %d images; "
1587                                                "Please select one (or all)."),
1588                                              wimfile, info.image_count);
1589                                 wimlib_free(wim);
1590                                 goto out_usage;
1591                         }
1592                         image = 1;
1593                         target = argv[1];
1594                 }
1595         }
1596
1597         if (refglobs.num_strings) {
1598                 if (wim == NULL) {
1599                         imagex_error(T("Can't specify --ref when applying from stdin!"));
1600                         ret = -1;
1601                         goto out_wimlib_free;
1602                 }
1603                 ret = wim_reference_globs(wim, &refglobs, open_flags);
1604                 if (ret)
1605                         goto out_wimlib_free;
1606         }
1607
1608 #ifndef __WIN32__
1609         {
1610                 /* Interpret a regular file or block device target as a NTFS
1611                  * volume.  */
1612                 struct stat stbuf;
1613
1614                 if (tstat(target, &stbuf)) {
1615                         if (errno != ENOENT) {
1616                                 imagex_error_with_errno(T("Failed to stat \"%"TS"\""),
1617                                                         target);
1618                                 ret = -1;
1619                                 goto out_wimlib_free;
1620                         }
1621                 } else {
1622                         if (S_ISBLK(stbuf.st_mode) || S_ISREG(stbuf.st_mode))
1623                                 extract_flags |= WIMLIB_EXTRACT_FLAG_NTFS;
1624                 }
1625         }
1626 #endif
1627
1628         if (wim) {
1629                 ret = wimlib_extract_image(wim, image, target, extract_flags,
1630                                            imagex_progress_func);
1631         } else {
1632                 set_fd_to_binary_mode(STDIN_FILENO);
1633                 ret = wimlib_extract_image_from_pipe(STDIN_FILENO,
1634                                                      image_num_or_name,
1635                                                      target, extract_flags,
1636                                                      imagex_progress_func);
1637         }
1638         if (ret == 0) {
1639                 imagex_printf(T("Done applying WIM image.\n"));
1640         } else if (ret == WIMLIB_ERR_RESOURCE_NOT_FOUND) {
1641                 if (wim) {
1642                         do_resource_not_found_warning(wimfile, &info, &refglobs);
1643                 } else {
1644                         imagex_error(T(        "If you are applying an image "
1645                                                "from a split pipable WIM,\n"
1646                                        "       make sure you have "
1647                                        "concatenated together all parts."));
1648                 }
1649         }
1650 out_wimlib_free:
1651         wimlib_free(wim);
1652 out_free_refglobs:
1653         string_set_destroy(&refglobs);
1654         return ret;
1655
1656 out_usage:
1657         usage(CMD_APPLY, stderr);
1658         ret = -1;
1659         goto out_free_refglobs;
1660 }
1661
1662 /* Create a WIM image from a directory tree, NTFS volume, or multiple files or
1663  * directory trees.  'wimlib-imagex capture': create a new WIM file containing
1664  * the desired image.  'wimlib-imagex append': add a new image to an existing
1665  * WIM file. */
1666 static int
1667 imagex_capture_or_append(int argc, tchar **argv, int cmd)
1668 {
1669         int c;
1670         int open_flags = WIMLIB_OPEN_FLAG_WRITE_ACCESS;
1671         int add_image_flags = WIMLIB_ADD_IMAGE_FLAG_EXCLUDE_VERBOSE |
1672                               WIMLIB_ADD_IMAGE_FLAG_WINCONFIG |
1673                               WIMLIB_ADD_IMAGE_FLAG_VERBOSE;
1674         int write_flags = 0;
1675         int compression_type = WIMLIB_COMPRESSION_TYPE_INVALID;
1676         uint32_t chunk_size = UINT32_MAX;
1677         uint32_t pack_chunk_size = UINT32_MAX;
1678         int pack_ctype = WIMLIB_COMPRESSION_TYPE_INVALID;
1679         const tchar *wimfile;
1680         int wim_fd;
1681         const tchar *name;
1682         const tchar *desc;
1683         const tchar *flags_element = NULL;
1684
1685         WIMStruct *wim;
1686         STRING_SET(base_wimfiles);
1687         WIMStruct **base_wims;
1688
1689         WIMStruct *template_wim;
1690         const tchar *template_wimfile = NULL;
1691         const tchar *template_image_name_or_num = NULL;
1692         int template_image = WIMLIB_NO_IMAGE;
1693
1694         int ret;
1695         unsigned num_threads = 0;
1696
1697         tchar *source;
1698         tchar *source_copy;
1699
1700         tchar *config_file = NULL;
1701
1702         bool source_list = false;
1703         size_t source_list_nchars = 0;
1704         tchar *source_list_contents;
1705         bool capture_sources_malloced;
1706         struct wimlib_capture_source *capture_sources;
1707         size_t num_sources;
1708         bool name_defaulted;
1709         bool compress_slow = false;
1710
1711         for_opt(c, capture_or_append_options) {
1712                 switch (c) {
1713                 case IMAGEX_BOOT_OPTION:
1714                         add_image_flags |= WIMLIB_ADD_IMAGE_FLAG_BOOT;
1715                         break;
1716                 case IMAGEX_CHECK_OPTION:
1717                         open_flags |= WIMLIB_OPEN_FLAG_CHECK_INTEGRITY;
1718                         write_flags |= WIMLIB_WRITE_FLAG_CHECK_INTEGRITY;
1719                         break;
1720                 case IMAGEX_NOCHECK_OPTION:
1721                         write_flags |= WIMLIB_WRITE_FLAG_NO_CHECK_INTEGRITY;
1722                         break;
1723                 case IMAGEX_CONFIG_OPTION:
1724                         config_file = optarg;
1725                         add_image_flags &= ~WIMLIB_ADD_IMAGE_FLAG_WINCONFIG;
1726                         break;
1727                 case IMAGEX_COMPRESS_OPTION:
1728                         compression_type = get_compression_type(optarg);
1729                         if (compression_type == WIMLIB_COMPRESSION_TYPE_INVALID)
1730                                 goto out_err;
1731                         break;
1732                 case IMAGEX_COMPRESS_SLOW_OPTION:
1733                         compress_slow = true;
1734                         break;
1735                 case IMAGEX_CHUNK_SIZE_OPTION:
1736                         chunk_size = parse_chunk_size(optarg);
1737                         if (chunk_size == UINT32_MAX)
1738                                 goto out_err;
1739                         break;
1740                 case IMAGEX_PACK_CHUNK_SIZE_OPTION:
1741                         pack_chunk_size = parse_chunk_size(optarg);
1742                         if (pack_chunk_size == UINT32_MAX)
1743                                 goto out_err;
1744                         break;
1745                 case IMAGEX_PACK_COMPRESS_OPTION:
1746                         pack_ctype = get_compression_type(optarg);
1747                         if (pack_ctype == WIMLIB_COMPRESSION_TYPE_INVALID)
1748                                 goto out_err;
1749                         break;
1750                 case IMAGEX_PACK_STREAMS_OPTION:
1751                         write_flags |= WIMLIB_WRITE_FLAG_PACK_STREAMS;
1752                         break;
1753                 case IMAGEX_FLAGS_OPTION:
1754                         flags_element = optarg;
1755                         break;
1756                 case IMAGEX_DEREFERENCE_OPTION:
1757                         add_image_flags |= WIMLIB_ADD_IMAGE_FLAG_DEREFERENCE;
1758                         break;
1759                 case IMAGEX_VERBOSE_OPTION:
1760                         /* No longer does anything.  */
1761                         break;
1762                 case IMAGEX_THREADS_OPTION:
1763                         num_threads = parse_num_threads(optarg);
1764                         if (num_threads == UINT_MAX)
1765                                 goto out_err;
1766                         break;
1767                 case IMAGEX_REBUILD_OPTION:
1768                         write_flags |= WIMLIB_WRITE_FLAG_REBUILD;
1769                         break;
1770                 case IMAGEX_UNIX_DATA_OPTION:
1771                         add_image_flags |= WIMLIB_ADD_IMAGE_FLAG_UNIX_DATA;
1772                         break;
1773                 case IMAGEX_SOURCE_LIST_OPTION:
1774                         source_list = true;
1775                         break;
1776                 case IMAGEX_NO_ACLS_OPTION:
1777                         add_image_flags |= WIMLIB_ADD_IMAGE_FLAG_NO_ACLS;
1778                         break;
1779                 case IMAGEX_STRICT_ACLS_OPTION:
1780                         add_image_flags |= WIMLIB_ADD_IMAGE_FLAG_STRICT_ACLS;
1781                         break;
1782                 case IMAGEX_RPFIX_OPTION:
1783                         add_image_flags |= WIMLIB_ADD_IMAGE_FLAG_RPFIX;
1784                         break;
1785                 case IMAGEX_NORPFIX_OPTION:
1786                         add_image_flags |= WIMLIB_ADD_IMAGE_FLAG_NORPFIX;
1787                         break;
1788                 case IMAGEX_PIPABLE_OPTION:
1789                         write_flags |= WIMLIB_WRITE_FLAG_PIPABLE;
1790                         break;
1791                 case IMAGEX_NOT_PIPABLE_OPTION:
1792                         write_flags |= WIMLIB_WRITE_FLAG_NOT_PIPABLE;
1793                         break;
1794                 case IMAGEX_UPDATE_OF_OPTION:
1795                         if (template_image_name_or_num) {
1796                                 imagex_error(T("'--update-of' can only be "
1797                                                "specified one time!"));
1798                                 goto out_err;
1799                         } else {
1800                                 tchar *colon;
1801                                 colon = tstrrchr(optarg, T(':'));
1802
1803                                 if (colon) {
1804                                         template_wimfile = optarg;
1805                                         *colon = T('\0');
1806                                         template_image_name_or_num = colon + 1;
1807                                 } else {
1808                                         template_wimfile = NULL;
1809                                         template_image_name_or_num = optarg;
1810                                 }
1811                         }
1812                         break;
1813                 case IMAGEX_DELTA_FROM_OPTION:
1814                         if (cmd != CMD_CAPTURE) {
1815                                 imagex_error(T("'--delta-from' is only "
1816                                                "valid for capture!"));
1817                                 goto out_usage;
1818                         }
1819                         ret = string_set_append(&base_wimfiles, optarg);
1820                         if (ret)
1821                                 goto out_free_base_wimfiles;
1822                         write_flags |= WIMLIB_WRITE_FLAG_SKIP_EXTERNAL_WIMS;
1823                         break;
1824                 case IMAGEX_WIMBOOT_OPTION:
1825                         add_image_flags |= WIMLIB_ADD_IMAGE_FLAG_WIMBOOT;
1826                         break;
1827                 default:
1828                         goto out_usage;
1829                 }
1830         }
1831         argc -= optind;
1832         argv += optind;
1833
1834         if (argc < 2 || argc > 4)
1835                 goto out_usage;
1836
1837         source = argv[0];
1838         wimfile = argv[1];
1839
1840         /* Set default compression type and parameters.  */
1841
1842
1843         if (compression_type == WIMLIB_COMPRESSION_TYPE_INVALID) {
1844                 if (add_image_flags & WIMLIB_ADD_IMAGE_FLAG_WIMBOOT) {
1845                         compression_type = WIMLIB_COMPRESSION_TYPE_XPRESS;
1846                 } else {
1847                         compression_type = WIMLIB_COMPRESSION_TYPE_LZX;
1848                         if (!compress_slow && pack_ctype != WIMLIB_COMPRESSION_TYPE_LZX) {
1849                                 struct wimlib_lzx_compressor_params params = {
1850                                         .hdr.size = sizeof(params),
1851                                         .algorithm = WIMLIB_LZX_ALGORITHM_FAST,
1852                                         .use_defaults = 1,
1853                                 };
1854                                 wimlib_set_default_compressor_params(WIMLIB_COMPRESSION_TYPE_LZX,
1855                                                                      &params.hdr);
1856                         }
1857                 }
1858         }
1859
1860         if (compress_slow)
1861                 set_compress_slow();
1862
1863         if (!tstrcmp(wimfile, T("-"))) {
1864                 /* Writing captured WIM to standard output.  */
1865         #if 0
1866                 if (!(write_flags & WIMLIB_WRITE_FLAG_PIPABLE)) {
1867                         imagex_error("Can't write a non-pipable WIM to "
1868                                      "standard output!  Specify --pipable\n"
1869                                      "       if you want to create a pipable WIM "
1870                                      "(but read the docs first).");
1871                         goto out_err;
1872                 }
1873         #else
1874                 write_flags |= WIMLIB_WRITE_FLAG_PIPABLE;
1875         #endif
1876                 if (cmd == CMD_APPEND) {
1877                         imagex_error(T("Using standard output for append does "
1878                                        "not make sense."));
1879                         goto out_err;
1880                 }
1881                 wim_fd = STDOUT_FILENO;
1882                 wimfile = NULL;
1883                 imagex_info_file = stderr;
1884                 set_fd_to_binary_mode(wim_fd);
1885         }
1886
1887         /* If template image was specified using --update-of=IMAGE rather
1888          * than --update-of=WIMFILE:IMAGE, set the default WIMFILE.  */
1889         if (template_image_name_or_num && !template_wimfile) {
1890                 if (base_wimfiles.num_strings == 1) {
1891                         /* Capturing delta WIM based on single WIM:  default to
1892                          * base WIM.  */
1893                         template_wimfile = base_wimfiles.strings[0];
1894                 } else if (cmd == CMD_APPEND) {
1895                         /* Appending to WIM:  default to WIM being appended to.
1896                          */
1897                         template_wimfile = wimfile;
1898                 } else {
1899                         /* Capturing a normal (non-delta) WIM, so the WIM file
1900                          * *must* be explicitly specified.  */
1901                         if (base_wimfiles.num_strings > 1) {
1902                                 imagex_error(T("For capture of delta WIM "
1903                                                "based on multiple existing "
1904                                                "WIMs,\n"
1905                                                "      '--update-of' must "
1906                                                "specify WIMFILE:IMAGE!"));
1907                         } else {
1908                                 imagex_error(T("For capture of non-delta WIM, "
1909                                                "'--update-of' must specify "
1910                                                "WIMFILE:IMAGE!"));
1911                         }
1912                         goto out_usage;
1913                 }
1914         }
1915
1916         if (argc >= 3) {
1917                 name = argv[2];
1918                 name_defaulted = false;
1919         } else {
1920                 /* Set default name to SOURCE argument, omitting any directory
1921                  * prefixes and trailing slashes.  This requires making a copy
1922                  * of @source.  Leave some free characters at the end in case we
1923                  * append a number to keep the name unique. */
1924                 size_t source_name_len;
1925
1926                 source_name_len = tstrlen(source);
1927                 source_copy = alloca((source_name_len + 1 + 25) * sizeof(tchar));
1928                 name = tbasename(tstrcpy(source_copy, source));
1929                 name_defaulted = true;
1930         }
1931         /* Image description defaults to NULL if not given. */
1932         if (argc >= 4)
1933                 desc = argv[3];
1934         else
1935                 desc = NULL;
1936
1937         if (source_list) {
1938                 /* Set up capture sources in source list mode */
1939                 if (source[0] == T('-') && source[1] == T('\0')) {
1940                         source_list_contents = stdin_get_text_contents(&source_list_nchars);
1941                 } else {
1942                         source_list_contents = file_get_text_contents(source,
1943                                                                       &source_list_nchars);
1944                 }
1945                 if (!source_list_contents)
1946                         goto out_err;
1947
1948                 capture_sources = parse_source_list(&source_list_contents,
1949                                                     source_list_nchars,
1950                                                     &num_sources);
1951                 if (!capture_sources) {
1952                         ret = -1;
1953                         goto out_free_source_list_contents;
1954                 }
1955                 capture_sources_malloced = true;
1956         } else {
1957                 /* Set up capture source in non-source-list mode.  */
1958                 capture_sources = alloca(sizeof(struct wimlib_capture_source));
1959                 capture_sources[0].fs_source_path = source;
1960                 capture_sources[0].wim_target_path = NULL;
1961                 capture_sources[0].reserved = 0;
1962                 num_sources = 1;
1963                 capture_sources_malloced = false;
1964                 source_list_contents = NULL;
1965         }
1966
1967         /* Open the existing WIM, or create a new one.  */
1968         if (cmd == CMD_APPEND)
1969                 ret = wimlib_open_wim(wimfile, open_flags, &wim,
1970                                       imagex_progress_func);
1971         else
1972                 ret = wimlib_create_new_wim(compression_type, &wim);
1973         if (ret)
1974                 goto out_free_capture_sources;
1975
1976         /* Set chunk size if non-default.  */
1977         if (chunk_size != UINT32_MAX) {
1978                 ret = wimlib_set_output_chunk_size(wim, chunk_size);
1979                 if (ret)
1980                         goto out_free_wim;
1981         } else if ((add_image_flags & WIMLIB_ADD_IMAGE_FLAG_WIMBOOT) &&
1982                    compression_type == WIMLIB_COMPRESSION_TYPE_XPRESS) {
1983                 ret = wimlib_set_output_chunk_size(wim, 4096);
1984                 if (ret)
1985                         goto out_free_wim;
1986         }
1987         if (pack_ctype != WIMLIB_COMPRESSION_TYPE_INVALID) {
1988                 ret = wimlib_set_output_pack_compression_type(wim, pack_ctype);
1989                 if (ret)
1990                         goto out_free_wim;
1991         }
1992         if (pack_chunk_size != UINT32_MAX) {
1993                 ret = wimlib_set_output_pack_chunk_size(wim, pack_chunk_size);
1994                 if (ret)
1995                         goto out_free_wim;
1996         }
1997
1998 #ifndef __WIN32__
1999         /* Detect if source is regular file or block device and set NTFS volume
2000          * capture mode.  */
2001         if (!source_list) {
2002                 struct stat stbuf;
2003
2004                 if (tstat(source, &stbuf) == 0) {
2005                         if (S_ISBLK(stbuf.st_mode) || S_ISREG(stbuf.st_mode)) {
2006                                 imagex_printf(T("Capturing WIM image from NTFS "
2007                                           "filesystem on \"%"TS"\"\n"), source);
2008                                 add_image_flags |= WIMLIB_ADD_IMAGE_FLAG_NTFS;
2009                         }
2010                 } else {
2011                         if (errno != ENOENT) {
2012                                 imagex_error_with_errno(T("Failed to stat "
2013                                                           "\"%"TS"\""), source);
2014                                 ret = -1;
2015                                 goto out_free_wim;
2016                         }
2017                 }
2018         }
2019 #endif
2020
2021         /* If the user did not specify an image name, and the basename of the
2022          * source already exists as an image name in the WIM file, append a
2023          * suffix to make it unique. */
2024         if (cmd == CMD_APPEND && name_defaulted) {
2025                 unsigned long conflict_idx;
2026                 tchar *name_end = tstrchr(name, T('\0'));
2027                 for (conflict_idx = 1;
2028                      wimlib_image_name_in_use(wim, name);
2029                      conflict_idx++)
2030                 {
2031                         tsprintf(name_end, T(" (%lu)"), conflict_idx);
2032                 }
2033         }
2034
2035         /* If capturing a delta WIM, reference resources from the base WIMs
2036          * before adding the new image.  */
2037         if (base_wimfiles.num_strings) {
2038                 base_wims = calloc(base_wimfiles.num_strings,
2039                                    sizeof(base_wims[0]));
2040                 if (base_wims == NULL) {
2041                         imagex_error(T("Out of memory!"));
2042                         ret = -1;
2043                         goto out_free_wim;
2044                 }
2045
2046                 for (size_t i = 0; i < base_wimfiles.num_strings; i++) {
2047                         ret = wimlib_open_wim(base_wimfiles.strings[i],
2048                                               open_flags, &base_wims[i],
2049                                               imagex_progress_func);
2050                         if (ret)
2051                                 goto out_free_base_wims;
2052
2053                 }
2054
2055                 ret = wimlib_reference_resources(wim, base_wims,
2056                                                  base_wimfiles.num_strings, 0);
2057                 if (ret)
2058                         goto out_free_base_wims;
2059
2060                 if (base_wimfiles.num_strings == 1) {
2061                         imagex_printf(T("Capturing delta WIM based on \"%"TS"\"\n"),
2062                                       base_wimfiles.strings[0]);
2063                 } else {
2064                         imagex_printf(T("Capturing delta WIM based on %u WIMs\n"),
2065                                       base_wimfiles.num_strings);
2066                 }
2067
2068         } else {
2069                 base_wims = NULL;
2070         }
2071
2072         /* If capturing or appending as an update of an existing (template) image,
2073          * open the WIM if needed and parse the image index.  */
2074         if (template_image_name_or_num) {
2075
2076
2077                 if (base_wimfiles.num_strings == 1 &&
2078                     template_wimfile == base_wimfiles.strings[0]) {
2079                         template_wim = base_wims[0];
2080                 } else if (template_wimfile == wimfile) {
2081                         template_wim = wim;
2082                 } else {
2083                         ret = wimlib_open_wim(template_wimfile, open_flags,
2084                                               &template_wim, imagex_progress_func);
2085                         if (ret)
2086                                 goto out_free_base_wims;
2087                 }
2088
2089                 template_image = wimlib_resolve_image(template_wim,
2090                                                       template_image_name_or_num);
2091
2092                 if (template_image_name_or_num[0] == T('-')) {
2093                         tchar *tmp;
2094                         unsigned long n;
2095                         struct wimlib_wim_info info;
2096
2097                         wimlib_get_wim_info(template_wim, &info);
2098                         n = tstrtoul(template_image_name_or_num + 1, &tmp, 10);
2099                         if (n >= 1 && n <= info.image_count &&
2100                             *tmp == T('\0') &&
2101                             tmp != template_image_name_or_num + 1)
2102                         {
2103                                 template_image = info.image_count - (n - 1);
2104                         }
2105                 }
2106                 ret = verify_image_exists_and_is_single(template_image,
2107                                                         template_image_name_or_num,
2108                                                         template_wimfile);
2109                 if (ret)
2110                         goto out_free_template_wim;
2111         } else {
2112                 template_wim = NULL;
2113         }
2114
2115         ret = wimlib_add_image_multisource(wim,
2116                                            capture_sources,
2117                                            num_sources,
2118                                            name,
2119                                            config_file,
2120                                            add_image_flags,
2121                                            imagex_progress_func);
2122         if (ret)
2123                 goto out_free_template_wim;
2124
2125         if (desc || flags_element || template_image_name_or_num) {
2126                 /* User provided <DESCRIPTION> or <FLAGS> element, or an image
2127                  * on which the added one is to be based has been specified with
2128                  * --update-of.  Get the index of the image we just
2129                  *  added, then use it to call the appropriate functions.  */
2130                 struct wimlib_wim_info info;
2131
2132                 wimlib_get_wim_info(wim, &info);
2133
2134                 if (desc) {
2135                         ret = wimlib_set_image_descripton(wim,
2136                                                           info.image_count,
2137                                                           desc);
2138                         if (ret)
2139                                 goto out_free_template_wim;
2140                 }
2141
2142                 if (flags_element) {
2143                         ret = wimlib_set_image_flags(wim, info.image_count,
2144                                                      flags_element);
2145                         if (ret)
2146                                 goto out_free_template_wim;
2147                 }
2148
2149                 /* Reference template image if the user provided one.  */
2150                 if (template_image_name_or_num) {
2151                         imagex_printf(T("Using image %d "
2152                                         "from \"%"TS"\" as template\n"),
2153                                         template_image, template_wimfile);
2154                         ret = wimlib_reference_template_image(wim,
2155                                                               info.image_count,
2156                                                               template_wim,
2157                                                               template_image,
2158                                                               0, NULL);
2159                         if (ret)
2160                                 goto out_free_template_wim;
2161                 }
2162         }
2163
2164         /* Write the new WIM or overwrite the existing WIM with the new image
2165          * appended.  */
2166         if (cmd == CMD_APPEND) {
2167                 ret = wimlib_overwrite(wim, write_flags, num_threads,
2168                                        imagex_progress_func);
2169         } else if (wimfile) {
2170                 ret = wimlib_write(wim, wimfile, WIMLIB_ALL_IMAGES,
2171                                    write_flags, num_threads,
2172                                    imagex_progress_func);
2173         } else {
2174                 ret = wimlib_write_to_fd(wim, wim_fd, WIMLIB_ALL_IMAGES,
2175                                          write_flags, num_threads,
2176                                          imagex_progress_func);
2177         }
2178 out_free_template_wim:
2179         /* template_wim may alias base_wims[0] or wim.  */
2180         if ((base_wimfiles.num_strings != 1 || template_wim != base_wims[0]) &&
2181             template_wim != wim)
2182                 wimlib_free(template_wim);
2183 out_free_base_wims:
2184         for (size_t i = 0; i < base_wimfiles.num_strings; i++)
2185                 wimlib_free(base_wims[i]);
2186         free(base_wims);
2187 out_free_wim:
2188         wimlib_free(wim);
2189 out_free_capture_sources:
2190         if (capture_sources_malloced)
2191                 free(capture_sources);
2192 out_free_source_list_contents:
2193         free(source_list_contents);
2194 out_free_base_wimfiles:
2195         string_set_destroy(&base_wimfiles);
2196         return ret;
2197
2198 out_usage:
2199         usage(cmd, stderr);
2200 out_err:
2201         ret = -1;
2202         goto out_free_base_wimfiles;
2203 }
2204
2205 /* Remove image(s) from a WIM. */
2206 static int
2207 imagex_delete(int argc, tchar **argv, int cmd)
2208 {
2209         int c;
2210         int open_flags = WIMLIB_OPEN_FLAG_WRITE_ACCESS;
2211         int write_flags = 0;
2212         const tchar *wimfile;
2213         const tchar *image_num_or_name;
2214         WIMStruct *wim;
2215         int image;
2216         int ret;
2217
2218         for_opt(c, delete_options) {
2219                 switch (c) {
2220                 case IMAGEX_CHECK_OPTION:
2221                         open_flags |= WIMLIB_OPEN_FLAG_CHECK_INTEGRITY;
2222                         write_flags |= WIMLIB_WRITE_FLAG_CHECK_INTEGRITY;
2223                         break;
2224                 case IMAGEX_SOFT_OPTION:
2225                         write_flags |= WIMLIB_WRITE_FLAG_SOFT_DELETE;
2226                         break;
2227                 default:
2228                         goto out_usage;
2229                 }
2230         }
2231         argc -= optind;
2232         argv += optind;
2233
2234         if (argc != 2) {
2235                 if (argc < 1)
2236                         imagex_error(T("Must specify a WIM file"));
2237                 if (argc < 2)
2238                         imagex_error(T("Must specify an image"));
2239                 goto out_usage;
2240         }
2241         wimfile = argv[0];
2242         image_num_or_name = argv[1];
2243
2244         ret = wimlib_open_wim(wimfile, open_flags, &wim,
2245                               imagex_progress_func);
2246         if (ret)
2247                 goto out;
2248
2249         image = wimlib_resolve_image(wim, image_num_or_name);
2250
2251         ret = verify_image_exists(image, image_num_or_name, wimfile);
2252         if (ret)
2253                 goto out_wimlib_free;
2254
2255         ret = wimlib_delete_image(wim, image);
2256         if (ret) {
2257                 imagex_error(T("Failed to delete image from \"%"TS"\""),
2258                              wimfile);
2259                 goto out_wimlib_free;
2260         }
2261
2262         ret = wimlib_overwrite(wim, write_flags, 0, imagex_progress_func);
2263         if (ret) {
2264                 imagex_error(T("Failed to write the file \"%"TS"\" with image "
2265                                "deleted"), wimfile);
2266         }
2267 out_wimlib_free:
2268         wimlib_free(wim);
2269 out:
2270         return ret;
2271
2272 out_usage:
2273         usage(CMD_DELETE, stderr);
2274         ret = -1;
2275         goto out;
2276 }
2277
2278 struct print_dentry_options {
2279         bool detailed;
2280 };
2281
2282 static void
2283 print_dentry_full_path(const struct wimlib_dir_entry *dentry)
2284 {
2285         tprintf(T("%"TS"\n"), dentry->full_path);
2286 }
2287
2288 static const struct {
2289         uint32_t flag;
2290         const tchar *name;
2291 } file_attr_flags[] = {
2292         {WIMLIB_FILE_ATTRIBUTE_READONLY,            T("READONLY")},
2293         {WIMLIB_FILE_ATTRIBUTE_HIDDEN,              T("HIDDEN")},
2294         {WIMLIB_FILE_ATTRIBUTE_SYSTEM,              T("SYSTEM")},
2295         {WIMLIB_FILE_ATTRIBUTE_DIRECTORY,           T("DIRECTORY")},
2296         {WIMLIB_FILE_ATTRIBUTE_ARCHIVE,             T("ARCHIVE")},
2297         {WIMLIB_FILE_ATTRIBUTE_DEVICE,              T("DEVICE")},
2298         {WIMLIB_FILE_ATTRIBUTE_NORMAL,              T("NORMAL")},
2299         {WIMLIB_FILE_ATTRIBUTE_TEMPORARY,           T("TEMPORARY")},
2300         {WIMLIB_FILE_ATTRIBUTE_SPARSE_FILE,         T("SPARSE_FILE")},
2301         {WIMLIB_FILE_ATTRIBUTE_REPARSE_POINT,       T("REPARSE_POINT")},
2302         {WIMLIB_FILE_ATTRIBUTE_COMPRESSED,          T("COMPRESSED")},
2303         {WIMLIB_FILE_ATTRIBUTE_OFFLINE,             T("OFFLINE")},
2304         {WIMLIB_FILE_ATTRIBUTE_NOT_CONTENT_INDEXED, T("NOT_CONTENT_INDEXED")},
2305         {WIMLIB_FILE_ATTRIBUTE_ENCRYPTED,           T("ENCRYPTED")},
2306         {WIMLIB_FILE_ATTRIBUTE_VIRTUAL,             T("VIRTUAL")},
2307 };
2308
2309 #define TIMESTR_MAX 100
2310
2311 static void
2312 timespec_to_string(const struct timespec *spec, tchar *buf)
2313 {
2314         time_t t = spec->tv_sec;
2315         struct tm tm;
2316         gmtime_r(&t, &tm);
2317         tstrftime(buf, TIMESTR_MAX, T("%a %b %d %H:%M:%S %Y UTC"), &tm);
2318         buf[TIMESTR_MAX - 1] = '\0';
2319 }
2320
2321 static void
2322 print_time(const tchar *type, const struct timespec *spec)
2323 {
2324         tchar timestr[TIMESTR_MAX];
2325
2326         timespec_to_string(spec, timestr);
2327
2328         tprintf(T("%-20"TS"= %"TS"\n"), type, timestr);
2329 }
2330
2331 static void print_byte_field(const uint8_t field[], size_t len)
2332 {
2333         while (len--)
2334                 tprintf(T("%02hhx"), *field++);
2335 }
2336
2337 static void
2338 print_wim_information(const tchar *wimfile, const struct wimlib_wim_info *info)
2339 {
2340         tputs(T("WIM Information:"));
2341         tputs(T("----------------"));
2342         tprintf(T("Path:           %"TS"\n"), wimfile);
2343         tprintf(T("GUID:           0x"));
2344         print_byte_field(info->guid, sizeof(info->guid));
2345         tputchar(T('\n'));
2346         tprintf(T("Version:        %u\n"), info->wim_version);
2347         tprintf(T("Image Count:    %d\n"), info->image_count);
2348         tprintf(T("Compression:    %"TS"\n"),
2349                 wimlib_get_compression_type_string(info->compression_type));
2350         tprintf(T("Chunk Size:     %"PRIu32" bytes\n"),
2351                 info->chunk_size);
2352         tprintf(T("Part Number:    %d/%d\n"), info->part_number, info->total_parts);
2353         tprintf(T("Boot Index:     %d\n"), info->boot_index);
2354         tprintf(T("Size:           %"PRIu64" bytes\n"), info->total_bytes);
2355         tprintf(T("Integrity Info: %"TS"\n"),
2356                 info->has_integrity_table ? T("yes") : T("no"));
2357         tprintf(T("Relative path junction: %"TS"\n"),
2358                 info->has_rpfix ? T("yes") : T("no"));
2359         tprintf(T("Pipable:        %"TS"\n"),
2360                 info->pipable ? T("yes") : T("no"));
2361         tputchar(T('\n'));
2362 }
2363
2364 static int
2365 print_resource(const struct wimlib_resource_entry *resource,
2366                void *_ignore)
2367 {
2368         tprintf(T("Hash                = 0x"));
2369         print_byte_field(resource->sha1_hash, sizeof(resource->sha1_hash));
2370         tputchar(T('\n'));
2371
2372         if (!resource->is_missing) {
2373                 tprintf(T("Uncompressed size   = %"PRIu64" bytes\n"),
2374                         resource->uncompressed_size);
2375                 if (resource->packed) {
2376                         tprintf(T("Raw compressed size = %"PRIu64" bytes\n"),
2377                                 resource->raw_resource_compressed_size);
2378
2379                         tprintf(T("Raw offset in WIM   = %"PRIu64" bytes\n"),
2380                                 resource->raw_resource_offset_in_wim);
2381
2382                         tprintf(T("Offset in raw       = %"PRIu64" bytes\n"),
2383                                 resource->offset);
2384                 } else {
2385                         tprintf(T("Compressed size     = %"PRIu64" bytes\n"),
2386                                 resource->compressed_size);
2387
2388                         tprintf(T("Offset in WIM       = %"PRIu64" bytes\n"),
2389                                 resource->offset);
2390                 }
2391
2392                 tprintf(T("Part Number         = %u\n"), resource->part_number);
2393                 tprintf(T("Reference Count     = %u\n"), resource->reference_count);
2394
2395                 tprintf(T("Flags               = "));
2396                 if (resource->is_compressed)
2397                         tprintf(T("WIM_RESHDR_FLAG_COMPRESSED  "));
2398                 if (resource->is_metadata)
2399                         tprintf(T("WIM_RESHDR_FLAG_METADATA  "));
2400                 if (resource->is_free)
2401                         tprintf(T("WIM_RESHDR_FLAG_FREE  "));
2402                 if (resource->is_spanned)
2403                         tprintf(T("WIM_RESHDR_FLAG_SPANNED  "));
2404                 if (resource->packed)
2405                         tprintf(T("WIM_RESHDR_FLAG_PACKED_STREAMS  "));
2406                 tputchar(T('\n'));
2407         }
2408         tputchar(T('\n'));
2409         return 0;
2410 }
2411
2412 static void
2413 print_lookup_table(WIMStruct *wim)
2414 {
2415         wimlib_iterate_lookup_table(wim, 0, print_resource, NULL);
2416 }
2417
2418 static void
2419 default_print_security_descriptor(const uint8_t *sd, size_t size)
2420 {
2421         tprintf(T("Security Descriptor = "));
2422         print_byte_field(sd, size);
2423         tputchar(T('\n'));
2424 }
2425
2426 static void
2427 print_dentry_detailed(const struct wimlib_dir_entry *dentry)
2428 {
2429
2430         tprintf(T(
2431 "----------------------------------------------------------------------------\n"));
2432         tprintf(T("Full Path           = \"%"TS"\"\n"), dentry->full_path);
2433         if (dentry->dos_name)
2434                 tprintf(T("Short Name          = \"%"TS"\"\n"), dentry->dos_name);
2435         tprintf(T("Attributes          = 0x%08x\n"), dentry->attributes);
2436         for (size_t i = 0; i < ARRAY_LEN(file_attr_flags); i++)
2437                 if (file_attr_flags[i].flag & dentry->attributes)
2438                         tprintf(T("    FILE_ATTRIBUTE_%"TS" is set\n"),
2439                                 file_attr_flags[i].name);
2440
2441         if (dentry->security_descriptor) {
2442                 print_security_descriptor(dentry->security_descriptor,
2443                                           dentry->security_descriptor_size);
2444         }
2445
2446         print_time(T("Creation Time"), &dentry->creation_time);
2447         print_time(T("Last Write Time"), &dentry->last_write_time);
2448         print_time(T("Last Access Time"), &dentry->last_access_time);
2449
2450
2451         if (dentry->attributes & WIMLIB_FILE_ATTRIBUTE_REPARSE_POINT)
2452                 tprintf(T("Reparse Tag         = 0x%"PRIx32"\n"), dentry->reparse_tag);
2453
2454         tprintf(T("Link Group ID       = 0x%016"PRIx64"\n"), dentry->hard_link_group_id);
2455         tprintf(T("Link Count          = %"PRIu32"\n"), dentry->num_links);
2456
2457         for (uint32_t i = 0; i <= dentry->num_named_streams; i++) {
2458                 if (dentry->streams[i].stream_name) {
2459                         tprintf(T("\tData stream \"%"TS"\":\n"),
2460                                 dentry->streams[i].stream_name);
2461                 } else {
2462                         tprintf(T("\tUnnamed data stream:\n"));
2463                 }
2464                 print_resource(&dentry->streams[i].resource, NULL);
2465         }
2466 }
2467
2468 static int
2469 print_dentry(const struct wimlib_dir_entry *dentry, void *_options)
2470 {
2471         const struct print_dentry_options *options = _options;
2472         if (!options->detailed)
2473                 print_dentry_full_path(dentry);
2474         else
2475                 print_dentry_detailed(dentry);
2476         return 0;
2477 }
2478
2479 /* Print the files contained in an image(s) in a WIM file. */
2480 static int
2481 imagex_dir(int argc, tchar **argv, int cmd)
2482 {
2483         const tchar *wimfile;
2484         WIMStruct *wim = NULL;
2485         int image;
2486         int ret;
2487         const tchar *path = T("");
2488         int c;
2489         struct print_dentry_options options = {
2490                 .detailed = false,
2491         };
2492         int iterate_flags = WIMLIB_ITERATE_DIR_TREE_FLAG_RECURSIVE;
2493
2494         for_opt(c, dir_options) {
2495                 switch (c) {
2496                 case IMAGEX_PATH_OPTION:
2497                         path = optarg;
2498                         break;
2499                 case IMAGEX_DETAILED_OPTION:
2500                         options.detailed = true;
2501                         break;
2502                 case IMAGEX_ONE_FILE_ONLY_OPTION:
2503                         iterate_flags &= ~WIMLIB_ITERATE_DIR_TREE_FLAG_RECURSIVE;
2504                         break;
2505                 default:
2506                         goto out_usage;
2507                 }
2508         }
2509         argc -= optind;
2510         argv += optind;
2511
2512         if (argc < 1) {
2513                 imagex_error(T("Must specify a WIM file"));
2514                 goto out_usage;
2515         }
2516         if (argc > 2) {
2517                 imagex_error(T("Too many arguments"));
2518                 goto out_usage;
2519         }
2520
2521         wimfile = argv[0];
2522         ret = wimlib_open_wim(wimfile, 0, &wim, imagex_progress_func);
2523         if (ret)
2524                 goto out;
2525
2526         if (argc >= 2) {
2527                 image = wimlib_resolve_image(wim, argv[1]);
2528                 ret = verify_image_exists(image, argv[1], wimfile);
2529                 if (ret)
2530                         goto out_wimlib_free;
2531         } else {
2532                 /* No image specified; default to image 1, but only if the WIM
2533                  * contains exactly one image.  */
2534
2535                 struct wimlib_wim_info info;
2536
2537                 wimlib_get_wim_info(wim, &info);
2538                 if (info.image_count != 1) {
2539                         imagex_error(T("\"%"TS"\" contains %d images; Please "
2540                                        "select one (or all)."),
2541                                      wimfile, info.image_count);
2542                         wimlib_free(wim);
2543                         goto out_usage;
2544                 }
2545                 image = 1;
2546         }
2547
2548         ret = wimlib_iterate_dir_tree(wim, image, path, iterate_flags,
2549                                       print_dentry, &options);
2550 out_wimlib_free:
2551         wimlib_free(wim);
2552 out:
2553         return ret;
2554
2555 out_usage:
2556         usage(CMD_DIR, stderr);
2557         ret = -1;
2558         goto out;
2559 }
2560
2561 /* Exports one, or all, images from a WIM file to a new WIM file or an existing
2562  * WIM file. */
2563 static int
2564 imagex_export(int argc, tchar **argv, int cmd)
2565 {
2566         int c;
2567         int open_flags = 0;
2568         int export_flags = 0;
2569         int write_flags = 0;
2570         int compression_type = WIMLIB_COMPRESSION_TYPE_INVALID;
2571         const tchar *src_wimfile;
2572         const tchar *src_image_num_or_name;
2573         const tchar *dest_wimfile;
2574         int dest_wim_fd;
2575         const tchar *dest_name;
2576         const tchar *dest_desc;
2577         WIMStruct *src_wim;
2578         struct wimlib_wim_info src_info;
2579         WIMStruct *dest_wim;
2580         int ret;
2581         int image;
2582         struct stat stbuf;
2583         bool wim_is_new;
2584         STRING_SET(refglobs);
2585         unsigned num_threads = 0;
2586         uint32_t chunk_size = UINT32_MAX;
2587         uint32_t pack_chunk_size = UINT32_MAX;
2588         int pack_ctype = WIMLIB_COMPRESSION_TYPE_INVALID;
2589
2590         for_opt(c, export_options) {
2591                 switch (c) {
2592                 case IMAGEX_BOOT_OPTION:
2593                         export_flags |= WIMLIB_EXPORT_FLAG_BOOT;
2594                         break;
2595                 case IMAGEX_CHECK_OPTION:
2596                         open_flags |= WIMLIB_OPEN_FLAG_CHECK_INTEGRITY;
2597                         write_flags |= WIMLIB_WRITE_FLAG_CHECK_INTEGRITY;
2598                         break;
2599                 case IMAGEX_NOCHECK_OPTION:
2600                         write_flags |= WIMLIB_WRITE_FLAG_NO_CHECK_INTEGRITY;
2601                         break;
2602                 case IMAGEX_COMPRESS_OPTION:
2603                         compression_type = get_compression_type(optarg);
2604                         if (compression_type == WIMLIB_COMPRESSION_TYPE_INVALID)
2605                                 goto out_err;
2606                         break;
2607                 case IMAGEX_COMPRESS_SLOW_OPTION:
2608                         write_flags |= WIMLIB_WRITE_FLAG_RECOMPRESS;
2609                         set_compress_slow();
2610                         break;
2611                 case IMAGEX_PACK_STREAMS_OPTION:
2612                         write_flags |= WIMLIB_WRITE_FLAG_PACK_STREAMS;
2613                         break;
2614                 case IMAGEX_CHUNK_SIZE_OPTION:
2615                         chunk_size = parse_chunk_size(optarg);
2616                         if (chunk_size == UINT32_MAX)
2617                                 goto out_err;
2618                         break;
2619                 case IMAGEX_PACK_CHUNK_SIZE_OPTION:
2620                         pack_chunk_size = parse_chunk_size(optarg);
2621                         if (pack_chunk_size == UINT32_MAX)
2622                                 goto out_err;
2623                         break;
2624                 case IMAGEX_PACK_COMPRESS_OPTION:
2625                         pack_ctype = get_compression_type(optarg);
2626                         if (pack_ctype == WIMLIB_COMPRESSION_TYPE_INVALID)
2627                                 goto out_err;
2628                         break;
2629                 case IMAGEX_REF_OPTION:
2630                         ret = string_set_append(&refglobs, optarg);
2631                         if (ret)
2632                                 goto out_free_refglobs;
2633                         break;
2634                 case IMAGEX_THREADS_OPTION:
2635                         num_threads = parse_num_threads(optarg);
2636                         if (num_threads == UINT_MAX)
2637                                 goto out_err;
2638                         break;
2639                 case IMAGEX_REBUILD_OPTION:
2640                         write_flags |= WIMLIB_WRITE_FLAG_REBUILD;
2641                         break;
2642                 case IMAGEX_PIPABLE_OPTION:
2643                         write_flags |= WIMLIB_WRITE_FLAG_PIPABLE;
2644                         break;
2645                 case IMAGEX_NOT_PIPABLE_OPTION:
2646                         write_flags |= WIMLIB_WRITE_FLAG_NOT_PIPABLE;
2647                         break;
2648                 default:
2649                         goto out_usage;
2650                 }
2651         }
2652         argc -= optind;
2653         argv += optind;
2654         if (argc < 3 || argc > 5)
2655                 goto out_usage;
2656         src_wimfile           = argv[0];
2657         src_image_num_or_name = argv[1];
2658         dest_wimfile          = argv[2];
2659         dest_name             = (argc >= 4) ? argv[3] : NULL;
2660         dest_desc             = (argc >= 5) ? argv[4] : NULL;
2661         ret = wimlib_open_wim(src_wimfile, open_flags, &src_wim,
2662                               imagex_progress_func);
2663         if (ret)
2664                 goto out_free_refglobs;
2665
2666         wimlib_get_wim_info(src_wim, &src_info);
2667
2668         /* Determine if the destination is an existing file or not.  If so, we
2669          * try to append the exported image(s) to it; otherwise, we create a new
2670          * WIM containing the exported image(s).  Furthermore, determine if we
2671          * need to write a pipable WIM directly to standard output.  */
2672
2673         if (tstrcmp(dest_wimfile, T("-")) == 0) {
2674         #if 0
2675                 if (!(write_flags & WIMLIB_WRITE_FLAG_PIPABLE)) {
2676                         imagex_error("Can't write a non-pipable WIM to "
2677                                      "standard output!  Specify --pipable\n"
2678                                      "       if you want to create a pipable WIM "
2679                                      "(but read the docs first).");
2680                         ret = -1;
2681                         goto out_free_src_wim;
2682                 }
2683         #else
2684                 write_flags |= WIMLIB_WRITE_FLAG_PIPABLE;
2685         #endif
2686                 dest_wimfile = NULL;
2687                 dest_wim_fd = STDOUT_FILENO;
2688                 imagex_info_file = stderr;
2689                 set_fd_to_binary_mode(dest_wim_fd);
2690         }
2691         errno = ENOENT;
2692         if (dest_wimfile != NULL && tstat(dest_wimfile, &stbuf) == 0) {
2693                 wim_is_new = false;
2694                 /* Destination file exists. */
2695
2696                 if (!S_ISREG(stbuf.st_mode)) {
2697                         imagex_error(T("\"%"TS"\" is not a regular file"),
2698                                      dest_wimfile);
2699                         ret = -1;
2700                         goto out_free_src_wim;
2701                 }
2702                 ret = wimlib_open_wim(dest_wimfile,
2703                                       open_flags | WIMLIB_OPEN_FLAG_WRITE_ACCESS,
2704                                       &dest_wim, imagex_progress_func);
2705                 if (ret)
2706                         goto out_free_src_wim;
2707
2708                 if (compression_type != WIMLIB_COMPRESSION_TYPE_INVALID) {
2709                         /* The user specified a compression type, but we're
2710                          * exporting to an existing WIM.  Make sure the
2711                          * specified compression type is the same as the
2712                          * compression type of the existing destination WIM. */
2713                         struct wimlib_wim_info dest_info;
2714
2715                         wimlib_get_wim_info(dest_wim, &dest_info);
2716                         if (compression_type != dest_info.compression_type) {
2717                                 imagex_error(T("Cannot specify a compression type that is "
2718                                                "not the same as that used in the "
2719                                                "destination WIM"));
2720                                 ret = -1;
2721                                 goto out_free_dest_wim;
2722                         }
2723                 }
2724         } else {
2725                 wim_is_new = true;
2726
2727                 if (errno != ENOENT) {
2728                         imagex_error_with_errno(T("Cannot stat file \"%"TS"\""),
2729                                                 dest_wimfile);
2730                         ret = -1;
2731                         goto out_free_src_wim;
2732                 }
2733
2734                 /* dest_wimfile is not an existing file, so create a new WIM. */
2735
2736                 if (compression_type == WIMLIB_COMPRESSION_TYPE_INVALID) {
2737                         /* The user did not specify a compression type; default
2738                          * to that of the source WIM.  */
2739
2740                         compression_type = src_info.compression_type;
2741                 }
2742                 ret = wimlib_create_new_wim(compression_type, &dest_wim);
2743                 if (ret)
2744                         goto out_free_src_wim;
2745
2746                 /* Use same chunk size if compression type is the same.  */
2747                 if (compression_type == src_info.compression_type &&
2748                     chunk_size == UINT32_MAX)
2749                         wimlib_set_output_chunk_size(dest_wim, src_info.chunk_size);
2750         }
2751
2752         if (chunk_size != UINT32_MAX) {
2753                 /* Set destination chunk size.  */
2754                 ret = wimlib_set_output_chunk_size(dest_wim, chunk_size);
2755                 if (ret)
2756                         goto out_free_dest_wim;
2757         }
2758         if (pack_ctype != WIMLIB_COMPRESSION_TYPE_INVALID) {
2759                 ret = wimlib_set_output_pack_compression_type(dest_wim, pack_ctype);
2760                 if (ret)
2761                         goto out_free_dest_wim;
2762         }
2763         if (pack_chunk_size != UINT32_MAX) {
2764                 ret = wimlib_set_output_pack_chunk_size(dest_wim, pack_chunk_size);
2765                 if (ret)
2766                         goto out_free_dest_wim;
2767         }
2768
2769         image = wimlib_resolve_image(src_wim, src_image_num_or_name);
2770         ret = verify_image_exists(image, src_image_num_or_name, src_wimfile);
2771         if (ret)
2772                 goto out_free_dest_wim;
2773
2774         if (refglobs.num_strings) {
2775                 ret = wim_reference_globs(src_wim, &refglobs, open_flags);
2776                 if (ret)
2777                         goto out_free_dest_wim;
2778         }
2779
2780         if ((export_flags & WIMLIB_EXPORT_FLAG_BOOT) &&
2781             image == WIMLIB_ALL_IMAGES && src_info.boot_index == 0)
2782         {
2783                 imagex_error(T("--boot specified for all-images export, but source WIM "
2784                                "has no bootable image."));
2785                 ret = -1;
2786                 goto out_free_dest_wim;
2787         }
2788
2789         ret = wimlib_export_image(src_wim, image, dest_wim, dest_name,
2790                                   dest_desc, export_flags, imagex_progress_func);
2791         if (ret) {
2792                 if (ret == WIMLIB_ERR_RESOURCE_NOT_FOUND) {
2793                         do_resource_not_found_warning(src_wimfile,
2794                                                       &src_info, &refglobs);
2795                 }
2796                 goto out_free_dest_wim;
2797         }
2798
2799         if (!wim_is_new)
2800                 ret = wimlib_overwrite(dest_wim, write_flags, num_threads,
2801                                        imagex_progress_func);
2802         else if (dest_wimfile)
2803                 ret = wimlib_write(dest_wim, dest_wimfile, WIMLIB_ALL_IMAGES,
2804                                    write_flags, num_threads,
2805                                    imagex_progress_func);
2806         else
2807                 ret = wimlib_write_to_fd(dest_wim, dest_wim_fd,
2808                                          WIMLIB_ALL_IMAGES, write_flags,
2809                                          num_threads, imagex_progress_func);
2810 out_free_dest_wim:
2811         wimlib_free(dest_wim);
2812 out_free_src_wim:
2813         wimlib_free(src_wim);
2814 out_free_refglobs:
2815         string_set_destroy(&refglobs);
2816         return ret;
2817
2818 out_usage:
2819         usage(CMD_EXPORT, stderr);
2820 out_err:
2821         ret = -1;
2822         goto out_free_refglobs;
2823 }
2824
2825 /* Extract files or directories from a WIM image */
2826 static int
2827 imagex_extract(int argc, tchar **argv, int cmd)
2828 {
2829         int c;
2830         int open_flags = 0;
2831         int image;
2832         WIMStruct *wim;
2833         int ret;
2834         const tchar *wimfile;
2835         const tchar *image_num_or_name;
2836         tchar *dest_dir = T(".");
2837         int extract_flags = WIMLIB_EXTRACT_FLAG_NORPFIX |
2838                             WIMLIB_EXTRACT_FLAG_GLOB_PATHS |
2839                             WIMLIB_EXTRACT_FLAG_STRICT_GLOB;
2840         int notlist_extract_flags = WIMLIB_EXTRACT_FLAG_NO_PRESERVE_DIR_STRUCTURE;
2841
2842         STRING_SET(refglobs);
2843
2844         tchar *root_path = T("");
2845
2846         for_opt(c, extract_options) {
2847                 switch (c) {
2848                 case IMAGEX_CHECK_OPTION:
2849                         open_flags |= WIMLIB_OPEN_FLAG_CHECK_INTEGRITY;
2850                         break;
2851                 case IMAGEX_VERBOSE_OPTION:
2852                         /* No longer does anything.  */
2853                         break;
2854                 case IMAGEX_REF_OPTION:
2855                         ret = string_set_append(&refglobs, optarg);
2856                         if (ret)
2857                                 goto out_free_refglobs;
2858                         break;
2859                 case IMAGEX_UNIX_DATA_OPTION:
2860                         extract_flags |= WIMLIB_EXTRACT_FLAG_UNIX_DATA;
2861                         break;
2862                 case IMAGEX_NO_ACLS_OPTION:
2863                         extract_flags |= WIMLIB_EXTRACT_FLAG_NO_ACLS;
2864                         break;
2865                 case IMAGEX_STRICT_ACLS_OPTION:
2866                         extract_flags |= WIMLIB_EXTRACT_FLAG_STRICT_ACLS;
2867                         break;
2868                 case IMAGEX_NO_ATTRIBUTES_OPTION:
2869                         extract_flags |= WIMLIB_EXTRACT_FLAG_NO_ATTRIBUTES;
2870                         break;
2871                 case IMAGEX_DEST_DIR_OPTION:
2872                         dest_dir = optarg;
2873                         break;
2874                 case IMAGEX_TO_STDOUT_OPTION:
2875                         extract_flags |= WIMLIB_EXTRACT_FLAG_TO_STDOUT;
2876                         imagex_info_file = stderr;
2877                         imagex_be_quiet = true;
2878                         break;
2879                 case IMAGEX_INCLUDE_INVALID_NAMES_OPTION:
2880                         extract_flags |= WIMLIB_EXTRACT_FLAG_REPLACE_INVALID_FILENAMES;
2881                         extract_flags |= WIMLIB_EXTRACT_FLAG_ALL_CASE_CONFLICTS;
2882                         break;
2883                 case IMAGEX_NO_WILDCARDS_OPTION:
2884                         extract_flags &= ~WIMLIB_EXTRACT_FLAG_GLOB_PATHS;
2885                         break;
2886                 case IMAGEX_NULLGLOB_OPTION:
2887                         extract_flags &= ~WIMLIB_EXTRACT_FLAG_STRICT_GLOB;
2888                         break;
2889                 case IMAGEX_PRESERVE_DIR_STRUCTURE_OPTION:
2890                         notlist_extract_flags &= ~WIMLIB_EXTRACT_FLAG_NO_PRESERVE_DIR_STRUCTURE;
2891                         break;
2892                 case IMAGEX_WIMBOOT_OPTION:
2893                         extract_flags |= WIMLIB_EXTRACT_FLAG_WIMBOOT;
2894                         break;
2895                 default:
2896                         goto out_usage;
2897                 }
2898         }
2899         argc -= optind;
2900         argv += optind;
2901
2902         if (argc < 2)
2903                 goto out_usage;
2904
2905         if (!(extract_flags & (WIMLIB_EXTRACT_FLAG_GLOB_PATHS |
2906                                WIMLIB_EXTRACT_FLAG_STRICT_GLOB)))
2907         {
2908                 imagex_error(T("Can't combine --no-wildcards and --nullglob!"));
2909                 goto out_err;
2910         }
2911
2912         wimfile = argv[0];
2913         image_num_or_name = argv[1];
2914
2915         argc -= 2;
2916         argv += 2;
2917
2918         ret = wimlib_open_wim(wimfile, open_flags, &wim, imagex_progress_func);
2919         if (ret)
2920                 goto out_free_refglobs;
2921
2922         image = wimlib_resolve_image(wim, image_num_or_name);
2923         ret = verify_image_exists_and_is_single(image,
2924                                                 image_num_or_name,
2925                                                 wimfile);
2926         if (ret)
2927                 goto out_wimlib_free;
2928
2929         if (refglobs.num_strings) {
2930                 ret = wim_reference_globs(wim, &refglobs, open_flags);
2931                 if (ret)
2932                         goto out_wimlib_free;
2933         }
2934
2935         if (argc == 0) {
2936                 argv = &root_path;
2937                 argc = 1;
2938                 extract_flags &= ~WIMLIB_EXTRACT_FLAG_GLOB_PATHS;
2939         }
2940
2941         while (argc != 0 && ret == 0) {
2942                 int num_paths;
2943
2944                 for (num_paths = 0;
2945                      num_paths < argc && argv[num_paths][0] != T('@');
2946                      num_paths++)
2947                         ;
2948
2949                 if (num_paths) {
2950                         ret = wimlib_extract_paths(wim, image, dest_dir,
2951                                                    (const tchar **)argv,
2952                                                    num_paths,
2953                                                    extract_flags | notlist_extract_flags,
2954                                                    imagex_progress_func);
2955                         argc -= num_paths;
2956                         argv += num_paths;
2957                 } else {
2958                         ret = wimlib_extract_pathlist(wim, image, dest_dir,
2959                                                       argv[0] + 1,
2960                                                       extract_flags,
2961                                                       imagex_progress_func);
2962                         argc--;
2963                         argv++;
2964                 }
2965         }
2966
2967         if (ret == 0) {
2968                 if (!imagex_be_quiet)
2969                         imagex_printf(T("Done extracting files.\n"));
2970         } else if (ret == WIMLIB_ERR_PATH_DOES_NOT_EXIST) {
2971                 tfprintf(stderr, T("Note: You can use `%"TS"' to see what "
2972                                    "files and directories\n"
2973                                    "      are in the WIM image.\n"),
2974                                 get_cmd_string(CMD_DIR, false));
2975         } else if (ret == WIMLIB_ERR_RESOURCE_NOT_FOUND) {
2976                 struct wimlib_wim_info info;
2977
2978                 wimlib_get_wim_info(wim, &info);
2979                 do_resource_not_found_warning(wimfile, &info, &refglobs);
2980         }
2981 out_wimlib_free:
2982         wimlib_free(wim);
2983 out_free_refglobs:
2984         string_set_destroy(&refglobs);
2985         return ret;
2986
2987 out_usage:
2988         usage(CMD_EXTRACT, stderr);
2989 out_err:
2990         ret = -1;
2991         goto out_free_refglobs;
2992 }
2993
2994 /* Prints information about a WIM file; also can mark an image as bootable,
2995  * change the name of an image, or change the description of an image. */
2996 static int
2997 imagex_info(int argc, tchar **argv, int cmd)
2998 {
2999         int c;
3000         bool boot         = false;
3001         bool check        = false;
3002         bool nocheck      = false;
3003         bool header       = false;
3004         bool lookup_table = false;
3005         bool xml          = false;
3006         bool short_header = true;
3007         const tchar *xml_out_file = NULL;
3008         const tchar *wimfile;
3009         const tchar *image_num_or_name;
3010         const tchar *new_name;
3011         const tchar *new_desc;
3012         WIMStruct *wim;
3013         int image;
3014         int ret;
3015         int open_flags = 0;
3016         struct wimlib_wim_info info;
3017
3018         for_opt(c, info_options) {
3019                 switch (c) {
3020                 case IMAGEX_BOOT_OPTION:
3021                         boot = true;
3022                         break;
3023                 case IMAGEX_CHECK_OPTION:
3024                         check = true;
3025                         break;
3026                 case IMAGEX_NOCHECK_OPTION:
3027                         nocheck = true;
3028                         break;
3029                 case IMAGEX_HEADER_OPTION:
3030                         header = true;
3031                         short_header = false;
3032                         break;
3033                 case IMAGEX_LOOKUP_TABLE_OPTION:
3034                         lookup_table = true;
3035                         short_header = false;
3036                         break;
3037                 case IMAGEX_XML_OPTION:
3038                         xml = true;
3039                         short_header = false;
3040                         break;
3041                 case IMAGEX_EXTRACT_XML_OPTION:
3042                         xml_out_file = optarg;
3043                         short_header = false;
3044                         break;
3045                 case IMAGEX_METADATA_OPTION:
3046                         imagex_error(T("The --metadata option has been removed. "
3047                                        "Use 'wimdir --detail' instead."));
3048                         goto out_err;
3049                 default:
3050                         goto out_usage;
3051                 }
3052         }
3053
3054         argc -= optind;
3055         argv += optind;
3056         if (argc < 1 || argc > 4)
3057                 goto out_usage;
3058
3059         wimfile           = argv[0];
3060         image_num_or_name = (argc >= 2) ? argv[1] : T("all");
3061         new_name          = (argc >= 3) ? argv[2] : NULL;
3062         new_desc          = (argc >= 4) ? argv[3] : NULL;
3063
3064         if (check && nocheck) {
3065                 imagex_error(T("Can't specify both --check and --nocheck"));
3066                 goto out_err;
3067         }
3068
3069         if (check)
3070                 open_flags |= WIMLIB_OPEN_FLAG_CHECK_INTEGRITY;
3071
3072         ret = wimlib_open_wim(wimfile, open_flags, &wim, imagex_progress_func);
3073         if (ret)
3074                 goto out;
3075
3076         wimlib_get_wim_info(wim, &info);
3077
3078         image = wimlib_resolve_image(wim, image_num_or_name);
3079         ret = WIMLIB_ERR_INVALID_IMAGE;
3080         if (image == WIMLIB_NO_IMAGE && tstrcmp(image_num_or_name, T("0"))) {
3081                 verify_image_exists(image, image_num_or_name, wimfile);
3082                 if (boot) {
3083                         imagex_error(T("If you would like to set the boot "
3084                                        "index to 0, specify image \"0\" with "
3085                                        "the --boot flag."));
3086                 }
3087                 goto out_wimlib_free;
3088         }
3089
3090         if (boot && info.image_count == 0) {
3091                 imagex_error(T("--boot is meaningless on a WIM with no images"));
3092                 goto out_wimlib_free;
3093         }
3094
3095         if (image == WIMLIB_ALL_IMAGES && info.image_count > 1) {
3096                 if (boot) {
3097                         imagex_error(T("Cannot specify the --boot flag "
3098                                        "without specifying a specific "
3099                                        "image in a multi-image WIM"));
3100                         goto out_wimlib_free;
3101                 }
3102                 if (new_name) {
3103                         imagex_error(T("Cannot specify the NEW_NAME "
3104                                        "without specifying a specific "
3105                                        "image in a multi-image WIM"));
3106                         goto out_wimlib_free;
3107                 }
3108         }
3109
3110         /* Operations that print information are separated from operations that
3111          * recreate the WIM file. */
3112         if (!new_name && !boot) {
3113
3114                 /* Read-only operations */
3115
3116                 if (image == WIMLIB_NO_IMAGE) {
3117                         imagex_error(T("\"%"TS"\" is not a valid image in \"%"TS"\""),
3118                                      image_num_or_name, wimfile);
3119                         goto out_wimlib_free;
3120                 }
3121
3122                 if (image == WIMLIB_ALL_IMAGES && short_header)
3123                         print_wim_information(wimfile, &info);
3124
3125                 if (header)
3126                         wimlib_print_header(wim);
3127
3128                 if (lookup_table) {
3129                         if (info.total_parts != 1) {
3130                                 tfprintf(stderr, T("Warning: Only showing the lookup table "
3131                                                    "for part %d of a %d-part WIM.\n"),
3132                                          info.part_number, info.total_parts);
3133                         }
3134                         print_lookup_table(wim);
3135                 }
3136
3137                 if (xml) {
3138                         ret = wimlib_extract_xml_data(wim, stdout);
3139                         if (ret)
3140                                 goto out_wimlib_free;
3141                 }
3142
3143                 if (xml_out_file) {
3144                         FILE *fp;
3145
3146                         fp = tfopen(xml_out_file, T("wb"));
3147                         if (!fp) {
3148                                 imagex_error_with_errno(T("Failed to open the "
3149                                                           "file \"%"TS"\" for "
3150                                                           "writing"),
3151                                                         xml_out_file);
3152                                 ret = -1;
3153                                 goto out_wimlib_free;
3154                         }
3155                         ret = wimlib_extract_xml_data(wim, fp);
3156                         if (fclose(fp)) {
3157                                 imagex_error(T("Failed to close the file "
3158                                                "\"%"TS"\""),
3159                                              xml_out_file);
3160                                 ret = -1;
3161                         }
3162                         if (ret)
3163                                 goto out_wimlib_free;
3164                 }
3165
3166                 if (short_header)
3167                         wimlib_print_available_images(wim, image);
3168
3169                 ret = 0;
3170         } else {
3171
3172                 /* Modification operations */
3173
3174                 if (image == WIMLIB_ALL_IMAGES)
3175                         image = 1;
3176
3177                 if (image == WIMLIB_NO_IMAGE && new_name) {
3178                         imagex_error(T("Cannot specify new_name (\"%"TS"\") "
3179                                        "when using image 0"), new_name);
3180                         ret = -1;
3181                         goto out_wimlib_free;
3182                 }
3183
3184                 if (boot) {
3185                         if (image == info.boot_index) {
3186                                 imagex_printf(T("Image %d is already marked as "
3187                                           "bootable.\n"), image);
3188                                 boot = false;
3189                         } else {
3190                                 imagex_printf(T("Marking image %d as bootable.\n"),
3191                                         image);
3192                                 info.boot_index = image;
3193                                 ret = wimlib_set_wim_info(wim, &info,
3194                                                           WIMLIB_CHANGE_BOOT_INDEX);
3195                                 if (ret)
3196                                         goto out_wimlib_free;
3197                         }
3198                 }
3199                 if (new_name) {
3200                         if (!tstrcmp(wimlib_get_image_name(wim, image), new_name))
3201                         {
3202                                 imagex_printf(T("Image %d is already named \"%"TS"\".\n"),
3203                                         image, new_name);
3204                                 new_name = NULL;
3205                         } else {
3206                                 imagex_printf(T("Changing the name of image %d to "
3207                                           "\"%"TS"\".\n"), image, new_name);
3208                                 ret = wimlib_set_image_name(wim, image, new_name);
3209                                 if (ret)
3210                                         goto out_wimlib_free;
3211                         }
3212                 }
3213                 if (new_desc) {
3214                         const tchar *old_desc;
3215                         old_desc = wimlib_get_image_description(wim, image);
3216                         if (old_desc && !tstrcmp(old_desc, new_desc)) {
3217                                 imagex_printf(T("The description of image %d is already "
3218                                           "\"%"TS"\".\n"), image, new_desc);
3219                                 new_desc = NULL;
3220                         } else {
3221                                 imagex_printf(T("Changing the description of image %d "
3222                                           "to \"%"TS"\".\n"), image, new_desc);
3223                                 ret = wimlib_set_image_descripton(wim, image,
3224                                                                   new_desc);
3225                                 if (ret)
3226                                         goto out_wimlib_free;
3227                         }
3228                 }
3229
3230                 /* Only call wimlib_overwrite() if something actually needs to
3231                  * be changed.  */
3232                 if (boot || new_name || new_desc ||
3233                     (check && !info.has_integrity_table) ||
3234                     (nocheck && info.has_integrity_table))
3235                 {
3236                         int write_flags = 0;
3237
3238                         if (check)
3239                                 write_flags |= WIMLIB_WRITE_FLAG_CHECK_INTEGRITY;
3240                         if (nocheck)
3241                                 write_flags |= WIMLIB_WRITE_FLAG_NO_CHECK_INTEGRITY;
3242                         ret = wimlib_overwrite(wim, write_flags, 1,
3243                                                imagex_progress_func);
3244                 } else {
3245                         imagex_printf(T("The file \"%"TS"\" was not modified "
3246                                         "because nothing needed to be done.\n"),
3247                                       wimfile);
3248                         ret = 0;
3249                 }
3250         }
3251 out_wimlib_free:
3252         wimlib_free(wim);
3253 out:
3254         return ret;
3255
3256 out_usage:
3257         usage(CMD_INFO, stderr);
3258 out_err:
3259         ret = -1;
3260         goto out;
3261 }
3262
3263 /* Join split WIMs into one part WIM */
3264 static int
3265 imagex_join(int argc, tchar **argv, int cmd)
3266 {
3267         int c;
3268         int swm_open_flags = 0;
3269         int wim_write_flags = 0;
3270         const tchar *output_path;
3271         int ret;
3272
3273         for_opt(c, join_options) {
3274                 switch (c) {
3275                 case IMAGEX_CHECK_OPTION:
3276                         swm_open_flags |= WIMLIB_OPEN_FLAG_CHECK_INTEGRITY;
3277                         wim_write_flags |= WIMLIB_WRITE_FLAG_CHECK_INTEGRITY;
3278                         break;
3279                 default:
3280                         goto out_usage;
3281                 }
3282         }
3283         argc -= optind;
3284         argv += optind;
3285
3286         if (argc < 2) {
3287                 imagex_error(T("Must specify one or more split WIM (.swm) "
3288                                "parts to join"));
3289                 goto out_usage;
3290         }
3291         output_path = argv[0];
3292         ret = wimlib_join((const tchar * const *)++argv,
3293                           --argc,
3294                           output_path,
3295                           swm_open_flags,
3296                           wim_write_flags,
3297                           imagex_progress_func);
3298 out:
3299         return ret;
3300
3301 out_usage:
3302         usage(CMD_JOIN, stderr);
3303         ret = -1;
3304         goto out;
3305 }
3306
3307 #if WIM_MOUNTING_SUPPORTED
3308
3309 /* Mounts a WIM image.  */
3310 static int
3311 imagex_mount_rw_or_ro(int argc, tchar **argv, int cmd)
3312 {
3313         int c;
3314         int mount_flags = 0;
3315         int open_flags = 0;
3316         const tchar *staging_dir = NULL;
3317         const tchar *wimfile;
3318         const tchar *dir;
3319         WIMStruct *wim;
3320         struct wimlib_wim_info info;
3321         int image;
3322         int ret;
3323
3324         STRING_SET(refglobs);
3325
3326         if (cmd == CMD_MOUNTRW) {
3327                 mount_flags |= WIMLIB_MOUNT_FLAG_READWRITE;
3328                 open_flags |= WIMLIB_OPEN_FLAG_WRITE_ACCESS;
3329         }
3330
3331         for_opt(c, mount_options) {
3332                 switch (c) {
3333                 case IMAGEX_ALLOW_OTHER_OPTION:
3334                         mount_flags |= WIMLIB_MOUNT_FLAG_ALLOW_OTHER;
3335                         break;
3336                 case IMAGEX_CHECK_OPTION:
3337                         open_flags |= WIMLIB_OPEN_FLAG_CHECK_INTEGRITY;
3338                         break;
3339                 case IMAGEX_DEBUG_OPTION:
3340                         mount_flags |= WIMLIB_MOUNT_FLAG_DEBUG;
3341                         break;
3342                 case IMAGEX_STREAMS_INTERFACE_OPTION:
3343                         if (!tstrcasecmp(optarg, T("none")))
3344                                 mount_flags |= WIMLIB_MOUNT_FLAG_STREAM_INTERFACE_NONE;
3345                         else if (!tstrcasecmp(optarg, T("xattr")))
3346                                 mount_flags |= WIMLIB_MOUNT_FLAG_STREAM_INTERFACE_XATTR;
3347                         else if (!tstrcasecmp(optarg, T("windows")))
3348                                 mount_flags |= WIMLIB_MOUNT_FLAG_STREAM_INTERFACE_WINDOWS;
3349                         else {
3350                                 imagex_error(T("Unknown stream interface \"%"TS"\""),
3351                                              optarg);
3352                                 goto out_usage;
3353                         }
3354                         break;
3355                 case IMAGEX_REF_OPTION:
3356                         ret = string_set_append(&refglobs, optarg);
3357                         if (ret)
3358                                 goto out_free_refglobs;
3359                         break;
3360                 case IMAGEX_STAGING_DIR_OPTION:
3361                         staging_dir = optarg;
3362                         break;
3363                 case IMAGEX_UNIX_DATA_OPTION:
3364                         mount_flags |= WIMLIB_MOUNT_FLAG_UNIX_DATA;
3365                         break;
3366                 default:
3367                         goto out_usage;
3368                 }
3369         }
3370         argc -= optind;
3371         argv += optind;
3372         if (argc != 2 && argc != 3)
3373                 goto out_usage;
3374
3375         wimfile = argv[0];
3376
3377         ret = wimlib_open_wim(wimfile, open_flags, &wim, imagex_progress_func);
3378         if (ret)
3379                 goto out_free_refglobs;
3380
3381         wimlib_get_wim_info(wim, &info);
3382
3383         if (argc >= 3) {
3384                 /* Image explicitly specified.  */
3385                 image = wimlib_resolve_image(wim, argv[1]);
3386                 dir = argv[2];
3387                 ret = verify_image_exists_and_is_single(image, argv[1], wimfile);
3388                 if (ret)
3389                         goto out_free_wim;
3390         } else {
3391                 /* No image specified; default to image 1, but only if the WIM
3392                  * contains exactly one image.  */
3393
3394                 if (info.image_count != 1) {
3395                         imagex_error(T("\"%"TS"\" contains %d images; Please "
3396                                        "select one."), wimfile, info.image_count);
3397                         wimlib_free(wim);
3398                         goto out_usage;
3399                 }
3400                 image = 1;
3401                 dir = argv[1];
3402         }
3403
3404         if (refglobs.num_strings) {
3405                 ret = wim_reference_globs(wim, &refglobs, open_flags);
3406                 if (ret)
3407                         goto out_free_wim;
3408         }
3409
3410         ret = wimlib_mount_image(wim, image, dir, mount_flags, staging_dir);
3411         if (ret) {
3412                 imagex_error(T("Failed to mount image %d from \"%"TS"\" "
3413                                "on \"%"TS"\""),
3414                              image, wimfile, dir);
3415         }
3416 out_free_wim:
3417         wimlib_free(wim);
3418 out_free_refglobs:
3419         string_set_destroy(&refglobs);
3420         return ret;
3421
3422 out_usage:
3423         usage(cmd, stderr);
3424         ret = -1;
3425         goto out_free_refglobs;
3426 }
3427 #endif /* WIM_MOUNTING_SUPPORTED */
3428
3429 /* Rebuild a WIM file */
3430 static int
3431 imagex_optimize(int argc, tchar **argv, int cmd)
3432 {
3433         int c;
3434         int open_flags = WIMLIB_OPEN_FLAG_WRITE_ACCESS;
3435         int write_flags = WIMLIB_WRITE_FLAG_REBUILD;
3436         int compression_type = WIMLIB_COMPRESSION_TYPE_INVALID;
3437         uint32_t chunk_size = UINT32_MAX;
3438         uint32_t pack_chunk_size = UINT32_MAX;
3439         int pack_ctype = WIMLIB_COMPRESSION_TYPE_INVALID;
3440         int ret;
3441         WIMStruct *wim;
3442         const tchar *wimfile;
3443         off_t old_size;
3444         off_t new_size;
3445         unsigned num_threads = 0;
3446
3447         for_opt(c, optimize_options) {
3448                 switch (c) {
3449                 case IMAGEX_CHECK_OPTION:
3450                         open_flags |= WIMLIB_OPEN_FLAG_CHECK_INTEGRITY;
3451                         write_flags |= WIMLIB_WRITE_FLAG_CHECK_INTEGRITY;
3452                         break;
3453                 case IMAGEX_NOCHECK_OPTION:
3454                         write_flags |= WIMLIB_WRITE_FLAG_NO_CHECK_INTEGRITY;
3455                         break;
3456                 case IMAGEX_COMPRESS_OPTION:
3457                         write_flags |= WIMLIB_WRITE_FLAG_RECOMPRESS;
3458                         compression_type = get_compression_type(optarg);
3459                         if (compression_type == WIMLIB_COMPRESSION_TYPE_INVALID)
3460                                 goto out_err;
3461                         break;
3462                 case IMAGEX_RECOMPRESS_OPTION:
3463                         write_flags |= WIMLIB_WRITE_FLAG_RECOMPRESS;
3464                         break;
3465                 case IMAGEX_COMPRESS_SLOW_OPTION:
3466                         write_flags |= WIMLIB_WRITE_FLAG_RECOMPRESS;
3467                         set_compress_slow();
3468                         break;
3469                 case IMAGEX_CHUNK_SIZE_OPTION:
3470                         chunk_size = parse_chunk_size(optarg);
3471                         if (chunk_size == UINT32_MAX)
3472                                 goto out_err;
3473                         break;
3474                 case IMAGEX_PACK_CHUNK_SIZE_OPTION:
3475                         pack_chunk_size = parse_chunk_size(optarg);
3476                         if (pack_chunk_size == UINT32_MAX)
3477                                 goto out_err;
3478                         break;
3479                 case IMAGEX_PACK_COMPRESS_OPTION:
3480                         pack_ctype = get_compression_type(optarg);
3481                         if (pack_ctype == WIMLIB_COMPRESSION_TYPE_INVALID)
3482                                 goto out_err;
3483                         break;
3484                 case IMAGEX_PACK_STREAMS_OPTION:
3485                         write_flags |= WIMLIB_WRITE_FLAG_PACK_STREAMS;
3486                         write_flags |= WIMLIB_WRITE_FLAG_RECOMPRESS;
3487                         break;
3488                 case IMAGEX_THREADS_OPTION:
3489                         num_threads = parse_num_threads(optarg);
3490                         if (num_threads == UINT_MAX)
3491                                 goto out_err;
3492                         break;
3493                 case IMAGEX_PIPABLE_OPTION:
3494                         write_flags |= WIMLIB_WRITE_FLAG_PIPABLE;
3495                         break;
3496                 case IMAGEX_NOT_PIPABLE_OPTION:
3497                         write_flags |= WIMLIB_WRITE_FLAG_NOT_PIPABLE;
3498                         break;
3499                 default:
3500                         goto out_usage;
3501                 }
3502         }
3503         argc -= optind;
3504         argv += optind;
3505
3506         if (argc != 1)
3507                 goto out_usage;
3508
3509         wimfile = argv[0];
3510
3511         ret = wimlib_open_wim(wimfile, open_flags, &wim, imagex_progress_func);
3512         if (ret)
3513                 goto out;
3514
3515         if (compression_type != WIMLIB_COMPRESSION_TYPE_INVALID) {
3516                 /* Change compression type.  */
3517                 ret = wimlib_set_output_compression_type(wim, compression_type);
3518                 if (ret)
3519                         goto out_wimlib_free;
3520         }
3521
3522         if (chunk_size != UINT32_MAX) {
3523                 /* Change chunk size.  */
3524                 ret = wimlib_set_output_chunk_size(wim, chunk_size);
3525                 if (ret)
3526                         goto out_wimlib_free;
3527         }
3528         if (pack_ctype != WIMLIB_COMPRESSION_TYPE_INVALID) {
3529                 ret = wimlib_set_output_pack_compression_type(wim, pack_ctype);
3530                 if (ret)
3531                         goto out_wimlib_free;
3532         }
3533         if (pack_chunk_size != UINT32_MAX) {
3534                 ret = wimlib_set_output_pack_chunk_size(wim, pack_chunk_size);
3535                 if (ret)
3536                         goto out_wimlib_free;
3537         }
3538
3539         old_size = file_get_size(wimfile);
3540         tprintf(T("\"%"TS"\" original size: "), wimfile);
3541         if (old_size == -1)
3542                 tputs(T("Unknown"));
3543         else
3544                 tprintf(T("%"PRIu64" KiB\n"), old_size >> 10);
3545
3546         ret = wimlib_overwrite(wim, write_flags, num_threads,
3547                                imagex_progress_func);
3548         if (ret) {
3549                 imagex_error(T("Optimization of \"%"TS"\" failed."), wimfile);
3550                 goto out_wimlib_free;
3551         }
3552
3553         new_size = file_get_size(wimfile);
3554         tprintf(T("\"%"TS"\" optimized size: "), wimfile);
3555         if (new_size == -1)
3556                 tputs(T("Unknown"));
3557         else
3558                 tprintf(T("%"PRIu64" KiB\n"), new_size >> 10);
3559
3560         tfputs(T("Space saved: "), stdout);
3561         if (new_size != -1 && old_size != -1) {
3562                 tprintf(T("%lld KiB\n"),
3563                        ((long long)old_size - (long long)new_size) >> 10);
3564         } else {
3565                 tputs(T("Unknown"));
3566         }
3567         ret = 0;
3568 out_wimlib_free:
3569         wimlib_free(wim);
3570 out:
3571         return ret;
3572
3573 out_usage:
3574         usage(CMD_OPTIMIZE, stderr);
3575 out_err:
3576         ret = -1;
3577         goto out;
3578 }
3579
3580 /* Split a WIM into a spanned set */
3581 static int
3582 imagex_split(int argc, tchar **argv, int cmd)
3583 {
3584         int c;
3585         int open_flags = 0;
3586         int write_flags = 0;
3587         unsigned long part_size;
3588         tchar *tmp;
3589         int ret;
3590         WIMStruct *wim;
3591
3592         for_opt(c, split_options) {
3593                 switch (c) {
3594                 case IMAGEX_CHECK_OPTION:
3595                         open_flags |= WIMLIB_OPEN_FLAG_CHECK_INTEGRITY;
3596                         write_flags |= WIMLIB_WRITE_FLAG_CHECK_INTEGRITY;
3597                         break;
3598                 default:
3599                         goto out_usage;
3600                 }
3601         }
3602         argc -= optind;
3603         argv += optind;
3604
3605         if (argc != 3)
3606                 goto out_usage;
3607
3608         part_size = tstrtod(argv[2], &tmp) * (1 << 20);
3609         if (tmp == argv[2] || *tmp) {
3610                 imagex_error(T("Invalid part size \"%"TS"\""), argv[2]);
3611                 imagex_error(T("The part size must be an integer or "
3612                                "floating-point number of megabytes."));
3613                 goto out_err;
3614         }
3615         ret = wimlib_open_wim(argv[0], open_flags, &wim, imagex_progress_func);
3616         if (ret)
3617                 goto out;
3618
3619         ret = wimlib_split(wim, argv[1], part_size, write_flags, imagex_progress_func);
3620         wimlib_free(wim);
3621 out:
3622         return ret;
3623
3624 out_usage:
3625         usage(CMD_SPLIT, stderr);
3626 out_err:
3627         ret = -1;
3628         goto out;
3629 }
3630
3631 #if WIM_MOUNTING_SUPPORTED
3632 /* Unmounts a mounted WIM image. */
3633 static int
3634 imagex_unmount(int argc, tchar **argv, int cmd)
3635 {
3636         int c;
3637         int unmount_flags = 0;
3638         int ret;
3639
3640         for_opt(c, unmount_options) {
3641                 switch (c) {
3642                 case IMAGEX_COMMIT_OPTION:
3643                         unmount_flags |= WIMLIB_UNMOUNT_FLAG_COMMIT;
3644                         break;
3645                 case IMAGEX_CHECK_OPTION:
3646                         unmount_flags |= WIMLIB_UNMOUNT_FLAG_CHECK_INTEGRITY;
3647                         break;
3648                 case IMAGEX_REBUILD_OPTION:
3649                         unmount_flags |= WIMLIB_UNMOUNT_FLAG_REBUILD;
3650                         break;
3651                 case IMAGEX_LAZY_OPTION:
3652                         unmount_flags |= WIMLIB_UNMOUNT_FLAG_LAZY;
3653                         break;
3654                 case IMAGEX_NEW_IMAGE_OPTION:
3655                         unmount_flags |= WIMLIB_UNMOUNT_FLAG_NEW_IMAGE;
3656                         break;
3657                 default:
3658                         goto out_usage;
3659                 }
3660         }
3661         argc -= optind;
3662         argv += optind;
3663         if (argc != 1)
3664                 goto out_usage;
3665
3666         if (unmount_flags & WIMLIB_UNMOUNT_FLAG_NEW_IMAGE) {
3667                 if (!(unmount_flags & WIMLIB_UNMOUNT_FLAG_COMMIT)) {
3668                         imagex_error(T("--new-image is meaningless "
3669                                        "without --commit also specified!"));
3670                         goto out_err;
3671                 }
3672                 imagex_printf(T("Committing changes as new image...\n"));
3673         }
3674
3675         ret = wimlib_unmount_image(argv[0], unmount_flags,
3676                                    imagex_progress_func);
3677         if (ret)
3678                 imagex_error(T("Failed to unmount \"%"TS"\""), argv[0]);
3679 out:
3680         return ret;
3681
3682 out_usage:
3683         usage(CMD_UNMOUNT, stderr);
3684 out_err:
3685         ret = -1;
3686         goto out;
3687 }
3688 #endif /* WIM_MOUNTING_SUPPORTED */
3689
3690 /*
3691  * Add, delete, or rename files in a WIM image.
3692  */
3693 static int
3694 imagex_update(int argc, tchar **argv, int cmd)
3695 {
3696         const tchar *wimfile;
3697         int image;
3698         WIMStruct *wim;
3699         int ret;
3700         int open_flags = WIMLIB_OPEN_FLAG_WRITE_ACCESS;
3701         int write_flags = 0;
3702         int update_flags = WIMLIB_UPDATE_FLAG_SEND_PROGRESS;
3703         int default_add_flags = WIMLIB_ADD_FLAG_EXCLUDE_VERBOSE |
3704                                 WIMLIB_ADD_FLAG_VERBOSE |
3705                                 WIMLIB_ADD_FLAG_WINCONFIG;
3706         int default_delete_flags = 0;
3707         unsigned num_threads = 0;
3708         int c;
3709         tchar *cmd_file_contents;
3710         size_t cmd_file_nchars;
3711         struct wimlib_update_command *cmds;
3712         size_t num_cmds;
3713         tchar *command_str = NULL;
3714         tchar *config_file = NULL;
3715
3716         for_opt(c, update_options) {
3717                 switch (c) {
3718                 /* Generic or write options */
3719                 case IMAGEX_THREADS_OPTION:
3720                         num_threads = parse_num_threads(optarg);
3721                         if (num_threads == UINT_MAX)
3722                                 goto out_err;
3723                         break;
3724                 case IMAGEX_CHECK_OPTION:
3725                         open_flags |= WIMLIB_OPEN_FLAG_CHECK_INTEGRITY;
3726                         write_flags |= WIMLIB_WRITE_FLAG_CHECK_INTEGRITY;
3727                         break;
3728                 case IMAGEX_REBUILD_OPTION:
3729                         write_flags |= WIMLIB_WRITE_FLAG_REBUILD;
3730                         break;
3731                 case IMAGEX_COMMAND_OPTION:
3732                         if (command_str) {
3733                                 imagex_error(T("--command may only be specified "
3734                                                "one time.  Please provide\n"
3735                                                "       the update commands "
3736                                                "on standard input instead."));
3737                                 goto out_err;
3738                         }
3739                         command_str = tstrdup(optarg);
3740                         if (!command_str) {
3741                                 imagex_error(T("Out of memory!"));
3742                                 goto out_err;
3743                         }
3744                         break;
3745                 /* Default delete options */
3746                 case IMAGEX_FORCE_OPTION:
3747                         default_delete_flags |= WIMLIB_DELETE_FLAG_FORCE;
3748                         break;
3749                 case IMAGEX_RECURSIVE_OPTION:
3750                         default_delete_flags |= WIMLIB_DELETE_FLAG_RECURSIVE;
3751                         break;
3752
3753                 /* Global add option */
3754                 case IMAGEX_CONFIG_OPTION:
3755                         default_add_flags &= ~WIMLIB_ADD_FLAG_WINCONFIG;
3756                         config_file = optarg;
3757                         break;
3758
3759                 /* Default add options */
3760                 case IMAGEX_VERBOSE_OPTION:
3761                         /* No longer does anything.  */
3762                         break;
3763                 case IMAGEX_DEREFERENCE_OPTION:
3764                         default_add_flags |= WIMLIB_ADD_FLAG_DEREFERENCE;
3765                         break;
3766                 case IMAGEX_UNIX_DATA_OPTION:
3767                         default_add_flags |= WIMLIB_ADD_FLAG_UNIX_DATA;
3768                         break;
3769                 case IMAGEX_NO_ACLS_OPTION:
3770                         default_add_flags |= WIMLIB_ADD_FLAG_NO_ACLS;
3771                         break;
3772                 case IMAGEX_STRICT_ACLS_OPTION:
3773                         default_add_flags |= WIMLIB_ADD_FLAG_STRICT_ACLS;
3774                         break;
3775                 default:
3776                         goto out_usage;
3777                 }
3778         }
3779         argv += optind;
3780         argc -= optind;
3781
3782         if (argc != 1 && argc != 2)
3783                 goto out_usage;
3784         wimfile = argv[0];
3785
3786         ret = wimlib_open_wim(wimfile, open_flags, &wim, imagex_progress_func);
3787         if (ret)
3788                 goto out_free_command_str;
3789
3790         if (argc >= 2) {
3791                 /* Image explicitly specified.  */
3792                 image = wimlib_resolve_image(wim, argv[1]);
3793                 ret = verify_image_exists_and_is_single(image, argv[1],
3794                                                         wimfile);
3795                 if (ret)
3796                         goto out_wimlib_free;
3797         } else {
3798                 /* No image specified; default to image 1, but only if the WIM
3799                  * contains exactly one image.  */
3800                 struct wimlib_wim_info info;
3801
3802                 wimlib_get_wim_info(wim, &info);
3803                 if (info.image_count != 1) {
3804                         imagex_error(T("\"%"TS"\" contains %d images; Please select one."),
3805                                      wimfile, info.image_count);
3806                         wimlib_free(wim);
3807                         goto out_usage;
3808                 }
3809                 image = 1;
3810         }
3811
3812         /* Read update commands from standard input, or the command string if
3813          * specified.  */
3814         if (command_str) {
3815                 cmd_file_contents = NULL;
3816                 cmds = parse_update_command_file(&command_str, tstrlen(command_str),
3817                                                  &num_cmds);
3818         } else {
3819                 if (isatty(STDIN_FILENO)) {
3820                         tputs(T("Reading update commands from standard input..."));
3821                         recommend_man_page(CMD_UPDATE, stdout);
3822                 }
3823                 cmd_file_contents = stdin_get_text_contents(&cmd_file_nchars);
3824                 if (!cmd_file_contents) {
3825                         ret = -1;
3826                         goto out_wimlib_free;
3827                 }
3828
3829                 /* Parse the update commands */
3830                 cmds = parse_update_command_file(&cmd_file_contents, cmd_file_nchars,
3831                                                  &num_cmds);
3832         }
3833         if (!cmds) {
3834                 ret = -1;
3835                 goto out_free_cmd_file_contents;
3836         }
3837
3838         /* Set default flags and capture config on the update commands */
3839         for (size_t i = 0; i < num_cmds; i++) {
3840                 switch (cmds[i].op) {
3841                 case WIMLIB_UPDATE_OP_ADD:
3842                         cmds[i].add.add_flags |= default_add_flags;
3843                         cmds[i].add.config_file = config_file;
3844                         break;
3845                 case WIMLIB_UPDATE_OP_DELETE:
3846                         cmds[i].delete_.delete_flags |= default_delete_flags;
3847                         break;
3848                 default:
3849                         break;
3850                 }
3851         }
3852
3853         /* Execute the update commands */
3854         ret = wimlib_update_image(wim, image, cmds, num_cmds, update_flags,
3855                                   imagex_progress_func);
3856         if (ret)
3857                 goto out_free_cmds;
3858
3859         /* Overwrite the updated WIM */
3860         ret = wimlib_overwrite(wim, write_flags, num_threads,
3861                                imagex_progress_func);
3862 out_free_cmds:
3863         free(cmds);
3864 out_free_cmd_file_contents:
3865         free(cmd_file_contents);
3866 out_wimlib_free:
3867         wimlib_free(wim);
3868 out_free_command_str:
3869         free(command_str);
3870         return ret;
3871
3872 out_usage:
3873         usage(CMD_UPDATE, stderr);
3874 out_err:
3875         ret = -1;
3876         goto out_free_command_str;
3877 }
3878
3879
3880
3881 struct imagex_command {
3882         const tchar *name;
3883         int (*func)(int argc, tchar **argv, int cmd);
3884 };
3885
3886 static const struct imagex_command imagex_commands[] = {
3887         [CMD_APPEND]   = {T("append"),   imagex_capture_or_append},
3888         [CMD_APPLY]    = {T("apply"),    imagex_apply},
3889         [CMD_CAPTURE]  = {T("capture"),  imagex_capture_or_append},
3890         [CMD_DELETE]   = {T("delete"),   imagex_delete},
3891         [CMD_DIR ]     = {T("dir"),      imagex_dir},
3892         [CMD_EXPORT]   = {T("export"),   imagex_export},
3893         [CMD_EXTRACT]  = {T("extract"),  imagex_extract},
3894         [CMD_INFO]     = {T("info"),     imagex_info},
3895         [CMD_JOIN]     = {T("join"),     imagex_join},
3896 #if WIM_MOUNTING_SUPPORTED
3897         [CMD_MOUNT]    = {T("mount"),    imagex_mount_rw_or_ro},
3898         [CMD_MOUNTRW]  = {T("mountrw"),  imagex_mount_rw_or_ro},
3899 #endif
3900         [CMD_OPTIMIZE] = {T("optimize"), imagex_optimize},
3901         [CMD_SPLIT]    = {T("split"),    imagex_split},
3902 #if WIM_MOUNTING_SUPPORTED
3903         [CMD_UNMOUNT]  = {T("unmount"),  imagex_unmount},
3904 #endif
3905         [CMD_UPDATE]   = {T("update"),   imagex_update},
3906 };
3907
3908 static const tchar *usage_strings[] = {
3909 [CMD_APPEND] =
3910 T(
3911 "    %"TS" (DIRECTORY | NTFS_VOLUME) WIMFILE\n"
3912 "                    [IMAGE_NAME [IMAGE_DESCRIPTION]] [--boot] [--check]\n"
3913 "                    [--nocheck] [--flags EDITION_ID] [--dereference]\n"
3914 "                    [--config=FILE] [--threads=NUM_THREADS] [--source-list]\n"
3915 "                    [--no-acls] [--strict-acls] [--rpfix] [--norpfix]\n"
3916 "                    [--update-of=[WIMFILE:]IMAGE]\n"
3917 ),
3918 [CMD_APPLY] =
3919 T(
3920 "    %"TS" WIMFILE [(IMAGE_NUM | IMAGE_NAME | all)]\n"
3921 "                    (DIRECTORY | NTFS_VOLUME) [--check] [--ref=\"GLOB\"]\n"
3922 "                    [--no-acls] [--strict-acls] [--no-attributes]\n"
3923 "                    [--rpfix] [--norpfix] [--hardlink] [--symlink]\n"
3924 "                    [--include-invalid-names]\n"
3925 ),
3926 [CMD_CAPTURE] =
3927 T(
3928 "    %"TS" (DIRECTORY | NTFS_VOLUME) WIMFILE\n"
3929 "                    [IMAGE_NAME [IMAGE_DESCRIPTION]] [--boot] [--check]\n"
3930 "                    [--nocheck] [--compress=TYPE] [--flags EDITION_ID]\n"
3931 "                    [--dereference] [--config=FILE] [--threads=NUM_THREADS]\n"
3932 "                    [--source-list] [--no-acls] [--strict-acls] [--rpfix]\n"
3933 "                    [--norpfix] [--update-of=[WIMFILE:]IMAGE]\n"
3934 "                    [--delta-from=WIMFILE]\n"
3935 ),
3936 [CMD_DELETE] =
3937 T(
3938 "    %"TS" WIMFILE (IMAGE_NUM | IMAGE_NAME | all)\n"
3939 "                    [--check] [--soft]\n"
3940 ),
3941 [CMD_DIR] =
3942 T(
3943 "    %"TS" WIMFILE (IMAGE_NUM | IMAGE_NAME | all) [--path=PATH] [--detailed]\n"
3944 ),
3945 [CMD_EXPORT] =
3946 T(
3947 "    %"TS" SRC_WIMFILE (SRC_IMAGE_NUM | SRC_IMAGE_NAME | all ) \n"
3948 "                    DEST_WIMFILE [DEST_IMAGE_NAME [DEST_IMAGE_DESCRIPTION]]\n"
3949 "                    [--boot] [--check] [--nocheck] [--compress=TYPE]\n"
3950 "                    [--ref=\"GLOB\"] [--threads=NUM_THREADS] [--rebuild]\n"
3951 ),
3952 [CMD_EXTRACT] =
3953 T(
3954 "    %"TS" WIMFILE (IMAGE_NUM | IMAGE_NAME) [(PATH | @LISTFILE)...]\n"
3955 "                    [--check] [--ref=\"GLOB\"] [--dest-dir=CMD_DIR]\n"
3956 "                    [--to-stdout] [--no-acls] [--strict-acls]\n"
3957 "                    [--no-attributes] [--include-invalid-names]\n"
3958 "                    [--no-wildcards] [--nullglob] [--preserve-dir-structure]\n"
3959 ),
3960 [CMD_INFO] =
3961 T(
3962 "    %"TS" WIMFILE [(IMAGE_NUM | IMAGE_NAME) [NEW_NAME\n"
3963 "                    [NEW_DESC]]] [--boot] [--check] [--nocheck] [--xml]\n"
3964 "                    [--extract-xml FILE] [--header] [--lookup-table]\n"
3965 ),
3966 [CMD_JOIN] =
3967 T(
3968 "    %"TS" OUT_WIMFILE SPLIT_WIM_PART... [--check]\n"
3969 ),
3970 #if WIM_MOUNTING_SUPPORTED
3971 [CMD_MOUNT] =
3972 T(
3973 "    %"TS" WIMFILE [(IMAGE_NUM | IMAGE_NAME)] DIRECTORY\n"
3974 "                    [--check] [--streams-interface=INTERFACE]\n"
3975 "                    [--ref=\"GLOB\"] [--allow-other]\n"
3976 ),
3977 [CMD_MOUNTRW] =
3978 T(
3979 "    %"TS" WIMFILE [(IMAGE_NUM | IMAGE_NAME)] DIRECTORY\n"
3980 "                    [--check] [--streams-interface=INTERFACE]\n"
3981 "                    [--staging-dir=CMD_DIR] [--allow-other]\n"
3982 ),
3983 #endif
3984 [CMD_OPTIMIZE] =
3985 T(
3986 "    %"TS" WIMFILE [--check] [--nocheck] [--recompress]\n"
3987 "                    [--recompress-slow] [--compress=TYPE]\n"
3988 "                    [--threads=NUM_THREADS]\n"
3989 ),
3990 [CMD_SPLIT] =
3991 T(
3992 "    %"TS" WIMFILE SPLIT_WIM_PART_1 PART_SIZE_MB [--check]\n"
3993 ),
3994 #if WIM_MOUNTING_SUPPORTED
3995 [CMD_UNMOUNT] =
3996 T(
3997 "    %"TS" DIRECTORY [--commit] [--check] [--rebuild] [--lazy]\n"
3998 "                    [--new-image]\n"
3999 ),
4000 #endif
4001 [CMD_UPDATE] =
4002 T(
4003 "    %"TS" WIMFILE [IMAGE_NUM | IMAGE_NAME] [--check] [--rebuild]\n"
4004 "                    [--threads=NUM_THREADS] [DEFAULT_ADD_OPTIONS]\n"
4005 "                    [DEFAULT_DELETE_OPTIONS] [--command=STRING] [< CMDFILE]\n"
4006 ),
4007 };
4008
4009 static const tchar *invocation_name;
4010 static int invocation_cmd = CMD_NONE;
4011
4012 static const tchar *get_cmd_string(int cmd, bool nospace)
4013 {
4014         static tchar buf[50];
4015         if (cmd == CMD_NONE) {
4016                 tsprintf(buf, T("%"TS), T(IMAGEX_PROGNAME));
4017         } else if (invocation_cmd != CMD_NONE) {
4018                 tsprintf(buf, T("wim%"TS), imagex_commands[cmd].name);
4019         } else {
4020                 const tchar *format;
4021
4022                 if (nospace)
4023                         format = T("%"TS"-%"TS"");
4024                 else
4025                         format = T("%"TS" %"TS"");
4026                 tsprintf(buf, format, invocation_name, imagex_commands[cmd].name);
4027         }
4028         return buf;
4029 }
4030
4031 static void
4032 version(void)
4033 {
4034         static const tchar *s =
4035         T(
4036 IMAGEX_PROGNAME " (distributed with " PACKAGE " " PACKAGE_VERSION ")\n"
4037 "Copyright (C) 2012, 2013, 2014 Eric Biggers\n"
4038 "License GPLv3+; GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>.\n"
4039 "This is free software: you are free to change and redistribute it.\n"
4040 "There is NO WARRANTY, to the extent permitted by law.\n"
4041 "\n"
4042 "Report bugs to "PACKAGE_BUGREPORT".\n"
4043         );
4044         tfputs(s, stdout);
4045 }
4046
4047
4048 static void
4049 help_or_version(int argc, tchar **argv, int cmd)
4050 {
4051         int i;
4052         const tchar *p;
4053
4054         for (i = 1; i < argc; i++) {
4055                 p = argv[i];
4056                 if (p[0] == T('-') && p[1] == T('-')) {
4057                         p += 2;
4058                         if (!tstrcmp(p, T("help"))) {
4059                                 if (cmd == CMD_NONE)
4060                                         usage_all(stdout);
4061                                 else
4062                                         usage(cmd, stdout);
4063                                 exit(0);
4064                         } else if (!tstrcmp(p, T("version"))) {
4065                                 version();
4066                                 exit(0);
4067                         }
4068                 }
4069         }
4070 }
4071
4072 static void
4073 print_usage_string(int cmd, FILE *fp)
4074 {
4075         tfprintf(fp, usage_strings[cmd], get_cmd_string(cmd, false));
4076 }
4077
4078 static void
4079 recommend_man_page(int cmd, FILE *fp)
4080 {
4081         const tchar *format_str;
4082 #ifdef __WIN32__
4083         format_str = T("Uncommon options are not listed;\n"
4084                        "See %"TS".pdf in the doc directory for more details.\n");
4085 #else
4086         format_str = T("Uncommon options are not listed;\n"
4087                        "Try `man %"TS"' for more details.\n");
4088 #endif
4089         tfprintf(fp, format_str, get_cmd_string(cmd, true));
4090 }
4091
4092 static void
4093 usage(int cmd, FILE *fp)
4094 {
4095         tfprintf(fp, T("Usage:\n"));
4096         print_usage_string(cmd, fp);
4097         tfprintf(fp, T("\n"));
4098         recommend_man_page(cmd, fp);
4099 }
4100
4101 static void
4102 usage_all(FILE *fp)
4103 {
4104         tfprintf(fp, T("Usage:\n"));
4105         for (int cmd = 0; cmd < CMD_MAX; cmd++) {
4106                 print_usage_string(cmd, fp);
4107                 tfprintf(fp, T("\n"));
4108         }
4109         static const tchar *extra =
4110         T(
4111 "    %"TS" --help\n"
4112 "    %"TS" --version\n"
4113 "\n"
4114 "    The compression TYPE may be \"maximum\", \"fast\", or \"none\".\n"
4115 "\n"
4116         );
4117         tfprintf(fp, extra, invocation_name, invocation_name);
4118         recommend_man_page(CMD_NONE, fp);
4119 }
4120
4121 /* Entry point for wimlib's ImageX implementation.  On UNIX the command
4122  * arguments will just be 'char' strings (ideally UTF-8 encoded, but could be
4123  * something else), while an Windows the command arguments will be UTF-16LE
4124  * encoded 'wchar_t' strings. */
4125 int
4126 #ifdef __WIN32__
4127 wmain(int argc, wchar_t **argv, wchar_t **envp)
4128 #else
4129 main(int argc, char **argv)
4130 #endif
4131 {
4132         int ret;
4133         int init_flags = 0;
4134         int cmd;
4135
4136         imagex_info_file = stdout;
4137         invocation_name = tbasename(argv[0]);
4138
4139 #ifndef __WIN32__
4140         if (getenv("WIMLIB_IMAGEX_USE_UTF8")) {
4141                 init_flags |= WIMLIB_INIT_FLAG_ASSUME_UTF8;
4142         } else {
4143                 char *codeset;
4144
4145                 setlocale(LC_ALL, "");
4146                 codeset = nl_langinfo(CODESET);
4147                 if (!strstr(codeset, "UTF-8") &&
4148                     !strstr(codeset, "UTF8") &&
4149                     !strstr(codeset, "utf-8") &&
4150                     !strstr(codeset, "utf8"))
4151                 {
4152                         fprintf(stderr,
4153 "WARNING: Running %"TS" in a UTF-8 locale is recommended!\n"
4154 "         Maybe try: `export LANG=en_US.UTF-8'?\n"
4155 "         Alternatively, set the environmental variable WIMLIB_IMAGEX_USE_UTF8\n"
4156 "         to any value to force wimlib to use UTF-8.\n",
4157                         invocation_name);
4158
4159                 }
4160         }
4161
4162 #endif /* !__WIN32__ */
4163
4164         {
4165                 tchar *igcase = tgetenv(T("WIMLIB_IMAGEX_IGNORE_CASE"));
4166                 if (igcase != NULL) {
4167                         if (!tstrcmp(igcase, T("no")) ||
4168                             !tstrcmp(igcase, T("0")))
4169                                 init_flags |= WIMLIB_INIT_FLAG_DEFAULT_CASE_SENSITIVE;
4170                         else if (!tstrcmp(igcase, T("yes")) ||
4171                                  !tstrcmp(igcase, T("1")))
4172                                 init_flags |= WIMLIB_INIT_FLAG_DEFAULT_CASE_INSENSITIVE;
4173                         else {
4174                                 fprintf(stderr,
4175                                         "WARNING: Ignoring unknown setting of "
4176                                         "WIMLIB_IMAGEX_IGNORE_CASE\n");
4177                         }
4178                 }
4179         }
4180
4181         /* Allow being invoked as wimCOMMAND (e.g. wimapply).  */
4182         cmd = CMD_NONE;
4183         if (!tstrncmp(invocation_name, T("wim"), 3) &&
4184             tstrcmp(invocation_name, T(IMAGEX_PROGNAME))) {
4185                 for (int i = 0; i < CMD_MAX; i++) {
4186                         if (!tstrcmp(invocation_name + 3,
4187                                      imagex_commands[i].name))
4188                         {
4189                                 invocation_cmd = i;
4190                                 cmd = i;
4191                                 break;
4192                         }
4193                 }
4194         }
4195
4196         /* Unless already known from the invocation name, determine which
4197          * command was specified.  */
4198         if (cmd == CMD_NONE) {
4199                 if (argc < 2) {
4200                         imagex_error(T("No command specified!\n"));
4201                         usage_all(stderr);
4202                         exit(2);
4203                 }
4204                 for (int i = 0; i < CMD_MAX; i++) {
4205                         if (!tstrcmp(argv[1], imagex_commands[i].name)) {
4206                                 cmd = i;
4207                                 break;
4208                         }
4209                 }
4210                 if (cmd != CMD_NONE) {
4211                         argc--;
4212                         argv++;
4213                 }
4214         }
4215
4216         /* Handle --help and --version.  --help can be either for the program as
4217          * a whole (cmd == CMD_NONE) or just for a specific command (cmd !=
4218          * CMD_NONE).  Note: help_or_version() will not return if a --help or
4219          * --version argument was found.  */
4220         help_or_version(argc, argv, cmd);
4221
4222         /* Bail if a valid command was not specified.  */
4223         if (cmd == CMD_NONE) {
4224                 imagex_error(T("Unrecognized command: `%"TS"'\n"), argv[1]);
4225                 usage_all(stderr);
4226                 exit(2);
4227         }
4228
4229         /* Enable warning and error messages in wimlib to be more user-friendly.
4230          * */
4231         wimlib_set_print_errors(true);
4232
4233         /* Initialize wimlib.  */
4234         ret = wimlib_global_init(init_flags);
4235         if (ret)
4236                 goto out_check_status;
4237
4238         /* Call the command handler function.  */
4239         ret = imagex_commands[cmd].func(argc, argv, cmd);
4240
4241         /* Check for error writing to standard output, especially since for some
4242          * commands, writing to standard output is part of the program's actual
4243          * behavior and not just for informational purposes.  */
4244         if (ferror(stdout) || fclose(stdout)) {
4245                 imagex_error_with_errno(T("error writing to standard output"));
4246                 if (ret == 0)
4247                         ret = -1;
4248         }
4249 out_check_status:
4250         /* Exit status (ret):  -1 indicates an error found by 'wimlib-imagex'
4251          * itself (not by wimlib).  0 indicates success.  > 0 indicates a wimlib
4252          * error code from which an error message can be printed.  */
4253         if (ret > 0) {
4254                 imagex_error(T("Exiting with error code %d:\n"
4255                                "       %"TS"."), ret,
4256                              wimlib_get_error_string(ret));
4257                 if (ret == WIMLIB_ERR_NTFS_3G && errno != 0)
4258                         imagex_error_with_errno(T("errno"));
4259         }
4260         /* Make wimlib free any resources it's holding (although this is not
4261          * strictly necessary because the process is ending anyway).  */
4262         wimlib_global_cleanup();
4263         return ret;
4264 }