Add experimental support for Windows VSS
[wimlib] / programs / imagex.c
1 /*
2  * imagex.c
3  *
4  * Use wimlib to create, modify, extract, mount, unmount, or display information
5  * about a WIM file
6  */
7
8 /*
9  * Copyright (C) 2012, 2013, 2014, 2015 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 #define WIMLIB_COMPRESSION_TYPE_INVALID (-1)
50
51 #ifdef __WIN32__
52 #  include "imagex-win32.h"
53 #  define print_security_descriptor     win32_print_security_descriptor
54 #else /* __WIN32__ */
55 #  include <getopt.h>
56 #  include <langinfo.h>
57 #  define print_security_descriptor     default_print_security_descriptor
58 static inline void set_fd_to_binary_mode(int fd)
59 {
60 }
61 #endif /* !__WIN32 */
62
63 /* Don't confuse the user by presenting the mounting commands on Windows when
64  * they will never work.  However on UNIX-like systems we always present them,
65  * even if WITH_FUSE is not defined at this point, as to not tie the build of
66  * wimlib-imagex to a specific build of wimlib.  */
67 #ifdef __WIN32__
68 #  define WIM_MOUNTING_SUPPORTED 0
69 #else
70 #  define WIM_MOUNTING_SUPPORTED 1
71 #endif
72
73 #define ARRAY_LEN(array) (sizeof(array) / sizeof(array[0]))
74
75 static inline bool
76 is_any_path_separator(tchar c)
77 {
78         return c == T('/') || c == T('\\');
79 }
80
81 /* Like basename(), but handles both forward and backwards slashes.  */
82 static tchar *
83 tbasename(tchar *path)
84 {
85         tchar *p = tstrchr(path, T('\0'));
86
87         for (;;) {
88                 if (p == path)
89                         return path;
90                 if (!is_any_path_separator(*--p))
91                         break;
92                 *p = T('\0');
93         }
94
95         for (;;) {
96                 if (p == path)
97                         return path;
98                 if (is_any_path_separator(*--p))
99                         return ++p;
100         }
101 }
102
103 #define for_opt(c, opts) while ((c = getopt_long_only(argc, (tchar**)argv, T(""), \
104                                 opts, NULL)) != -1)
105
106 enum {
107         CMD_NONE = -1,
108         CMD_APPEND = 0,
109         CMD_APPLY,
110         CMD_CAPTURE,
111         CMD_DELETE,
112         CMD_DIR,
113         CMD_EXPORT,
114         CMD_EXTRACT,
115         CMD_INFO,
116         CMD_JOIN,
117 #if WIM_MOUNTING_SUPPORTED
118         CMD_MOUNT,
119         CMD_MOUNTRW,
120 #endif
121         CMD_OPTIMIZE,
122         CMD_SPLIT,
123 #if WIM_MOUNTING_SUPPORTED
124         CMD_UNMOUNT,
125 #endif
126         CMD_UPDATE,
127         CMD_VERIFY,
128         CMD_MAX,
129 };
130
131 static void usage(int cmd, FILE *fp);
132 static void usage_all(FILE *fp);
133 static void recommend_man_page(int cmd, FILE *fp);
134 static const tchar *get_cmd_string(int cmd, bool nospace);
135
136 static bool imagex_be_quiet = false;
137 static FILE *imagex_info_file;
138
139 #define imagex_printf(format, ...) \
140                 tfprintf(imagex_info_file, format, ##__VA_ARGS__)
141
142 enum {
143         IMAGEX_ALLOW_OTHER_OPTION,
144         IMAGEX_BLOBS_OPTION,
145         IMAGEX_BOOT_OPTION,
146         IMAGEX_CHECK_OPTION,
147         IMAGEX_CHUNK_SIZE_OPTION,
148         IMAGEX_COMMAND_OPTION,
149         IMAGEX_COMMIT_OPTION,
150         IMAGEX_COMPACT_OPTION,
151         IMAGEX_COMPRESS_OPTION,
152         IMAGEX_COMPRESS_SLOW_OPTION,
153         IMAGEX_CONFIG_OPTION,
154         IMAGEX_DEBUG_OPTION,
155         IMAGEX_DELTA_FROM_OPTION,
156         IMAGEX_DEREFERENCE_OPTION,
157         IMAGEX_DEST_DIR_OPTION,
158         IMAGEX_DETAILED_OPTION,
159         IMAGEX_EXTRACT_XML_OPTION,
160         IMAGEX_FLAGS_OPTION,
161         IMAGEX_FORCE_OPTION,
162         IMAGEX_HEADER_OPTION,
163         IMAGEX_IMAGE_PROPERTY_OPTION,
164         IMAGEX_INCLUDE_INVALID_NAMES_OPTION,
165         IMAGEX_LAZY_OPTION,
166         IMAGEX_METADATA_OPTION,
167         IMAGEX_NEW_IMAGE_OPTION,
168         IMAGEX_NOCHECK_OPTION,
169         IMAGEX_NORPFIX_OPTION,
170         IMAGEX_NOT_PIPABLE_OPTION,
171         IMAGEX_NO_ACLS_OPTION,
172         IMAGEX_NO_ATTRIBUTES_OPTION,
173         IMAGEX_NO_GLOBS_OPTION,
174         IMAGEX_NO_REPLACE_OPTION,
175         IMAGEX_NO_SOLID_SORT_OPTION,
176         IMAGEX_NULLGLOB_OPTION,
177         IMAGEX_ONE_FILE_ONLY_OPTION,
178         IMAGEX_PATH_OPTION,
179         IMAGEX_PIPABLE_OPTION,
180         IMAGEX_PRESERVE_DIR_STRUCTURE_OPTION,
181         IMAGEX_REBUILD_OPTION,
182         IMAGEX_RECOMPRESS_OPTION,
183         IMAGEX_RECURSIVE_OPTION,
184         IMAGEX_REF_OPTION,
185         IMAGEX_RESUME_OPTION,
186         IMAGEX_RPFIX_OPTION,
187         IMAGEX_SNAPSHOT_OPTION,
188         IMAGEX_SOFT_OPTION,
189         IMAGEX_SOLID_CHUNK_SIZE_OPTION,
190         IMAGEX_SOLID_COMPRESS_OPTION,
191         IMAGEX_SOLID_OPTION,
192         IMAGEX_SOURCE_LIST_OPTION,
193         IMAGEX_STAGING_DIR_OPTION,
194         IMAGEX_STREAMS_INTERFACE_OPTION,
195         IMAGEX_STRICT_ACLS_OPTION,
196         IMAGEX_THREADS_OPTION,
197         IMAGEX_TO_STDOUT_OPTION,
198         IMAGEX_UNIX_DATA_OPTION,
199         IMAGEX_UNSAFE_COMPACT_OPTION,
200         IMAGEX_UPDATE_OF_OPTION,
201         IMAGEX_VERBOSE_OPTION,
202         IMAGEX_WIMBOOT_CONFIG_OPTION,
203         IMAGEX_WIMBOOT_OPTION,
204         IMAGEX_XML_OPTION,
205 };
206
207 static const struct option apply_options[] = {
208         {T("check"),       no_argument,       NULL, IMAGEX_CHECK_OPTION},
209         {T("verbose"),     no_argument,       NULL, IMAGEX_VERBOSE_OPTION},
210         {T("ref"),         required_argument, NULL, IMAGEX_REF_OPTION},
211         {T("unix-data"),   no_argument,       NULL, IMAGEX_UNIX_DATA_OPTION},
212         {T("noacls"),      no_argument,       NULL, IMAGEX_NO_ACLS_OPTION},
213         {T("no-acls"),     no_argument,       NULL, IMAGEX_NO_ACLS_OPTION},
214         {T("strict-acls"), no_argument,       NULL, IMAGEX_STRICT_ACLS_OPTION},
215         {T("no-attributes"), no_argument,     NULL, IMAGEX_NO_ATTRIBUTES_OPTION},
216         {T("rpfix"),       no_argument,       NULL, IMAGEX_RPFIX_OPTION},
217         {T("norpfix"),     no_argument,       NULL, IMAGEX_NORPFIX_OPTION},
218         {T("include-invalid-names"), no_argument,       NULL, IMAGEX_INCLUDE_INVALID_NAMES_OPTION},
219
220         /* --resume is undocumented for now as it needs improvement.  */
221         {T("resume"),      no_argument,       NULL, IMAGEX_RESUME_OPTION},
222         {T("wimboot"),     no_argument,       NULL, IMAGEX_WIMBOOT_OPTION},
223         {T("compact"),     required_argument, NULL, IMAGEX_COMPACT_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("solid"),       no_argument,      NULL, IMAGEX_SOLID_OPTION},
236         {T("pack-streams"), no_argument,      NULL, IMAGEX_SOLID_OPTION},
237         {T("solid-compress"),required_argument, NULL, IMAGEX_SOLID_COMPRESS_OPTION},
238         {T("pack-compress"), required_argument, NULL, IMAGEX_SOLID_COMPRESS_OPTION},
239         {T("solid-chunk-size"),required_argument, NULL, IMAGEX_SOLID_CHUNK_SIZE_OPTION},
240         {T("pack-chunk-size"), required_argument, NULL, IMAGEX_SOLID_CHUNK_SIZE_OPTION},
241         {T("no-solid-sort"), no_argument,     NULL, IMAGEX_NO_SOLID_SORT_OPTION},
242         {T("config"),      required_argument, NULL, IMAGEX_CONFIG_OPTION},
243         {T("dereference"), no_argument,       NULL, IMAGEX_DEREFERENCE_OPTION},
244         {T("flags"),       required_argument, NULL, IMAGEX_FLAGS_OPTION},
245         {T("image-property"), required_argument, NULL, IMAGEX_IMAGE_PROPERTY_OPTION},
246         {T("verbose"),     no_argument,       NULL, IMAGEX_VERBOSE_OPTION},
247         {T("threads"),     required_argument, NULL, IMAGEX_THREADS_OPTION},
248         {T("rebuild"),     no_argument,       NULL, IMAGEX_REBUILD_OPTION},
249         {T("unix-data"),   no_argument,       NULL, IMAGEX_UNIX_DATA_OPTION},
250         {T("source-list"), no_argument,       NULL, IMAGEX_SOURCE_LIST_OPTION},
251         {T("noacls"),      no_argument,       NULL, IMAGEX_NO_ACLS_OPTION},
252         {T("no-acls"),     no_argument,       NULL, IMAGEX_NO_ACLS_OPTION},
253         {T("strict-acls"), no_argument,       NULL, IMAGEX_STRICT_ACLS_OPTION},
254         {T("rpfix"),       no_argument,       NULL, IMAGEX_RPFIX_OPTION},
255         {T("norpfix"),     no_argument,       NULL, IMAGEX_NORPFIX_OPTION},
256         {T("pipable"),     no_argument,       NULL, IMAGEX_PIPABLE_OPTION},
257         {T("not-pipable"), no_argument,       NULL, IMAGEX_NOT_PIPABLE_OPTION},
258         {T("update-of"),   required_argument, NULL, IMAGEX_UPDATE_OF_OPTION},
259         {T("delta-from"),  required_argument, NULL, IMAGEX_DELTA_FROM_OPTION},
260         {T("wimboot"),     no_argument,       NULL, IMAGEX_WIMBOOT_OPTION},
261         {T("unsafe-compact"), no_argument,    NULL, IMAGEX_UNSAFE_COMPACT_OPTION},
262         {T("snapshot"),    no_argument,       NULL, IMAGEX_SNAPSHOT_OPTION},
263         {NULL, 0, NULL, 0},
264 };
265
266 static const struct option delete_options[] = {
267         {T("check"), no_argument, NULL, IMAGEX_CHECK_OPTION},
268         {T("soft"),  no_argument, NULL, IMAGEX_SOFT_OPTION},
269         {T("unsafe-compact"), no_argument, NULL, IMAGEX_UNSAFE_COMPACT_OPTION},
270         {NULL, 0, NULL, 0},
271 };
272
273 static const struct option dir_options[] = {
274         {T("path"),     required_argument, NULL, IMAGEX_PATH_OPTION},
275         {T("detailed"), no_argument,       NULL, IMAGEX_DETAILED_OPTION},
276         {T("one-file-only"), no_argument,  NULL, IMAGEX_ONE_FILE_ONLY_OPTION},
277         {T("ref"),      required_argument, NULL, IMAGEX_REF_OPTION},
278         {NULL, 0, NULL, 0},
279 };
280
281 static const struct option export_options[] = {
282         {T("boot"),        no_argument,       NULL, IMAGEX_BOOT_OPTION},
283         {T("check"),       no_argument,       NULL, IMAGEX_CHECK_OPTION},
284         {T("nocheck"),     no_argument,       NULL, IMAGEX_NOCHECK_OPTION},
285         {T("no-check"),    no_argument,       NULL, IMAGEX_NOCHECK_OPTION},
286         {T("compress"),    required_argument, NULL, IMAGEX_COMPRESS_OPTION},
287         {T("recompress"),  no_argument,       NULL, IMAGEX_RECOMPRESS_OPTION},
288         {T("compress-slow"), no_argument,     NULL, IMAGEX_COMPRESS_SLOW_OPTION},
289         {T("chunk-size"),  required_argument, NULL, IMAGEX_CHUNK_SIZE_OPTION},
290         {T("solid"),       no_argument,       NULL, IMAGEX_SOLID_OPTION},
291         {T("pack-streams"),no_argument,       NULL, IMAGEX_SOLID_OPTION},
292         {T("solid-compress"),required_argument, NULL, IMAGEX_SOLID_COMPRESS_OPTION},
293         {T("pack-compress"), required_argument, NULL, IMAGEX_SOLID_COMPRESS_OPTION},
294         {T("solid-chunk-size"),required_argument, NULL, IMAGEX_SOLID_CHUNK_SIZE_OPTION},
295         {T("pack-chunk-size"), required_argument, NULL, IMAGEX_SOLID_CHUNK_SIZE_OPTION},
296         {T("no-solid-sort"), no_argument,     NULL, IMAGEX_NO_SOLID_SORT_OPTION},
297         {T("ref"),         required_argument, NULL, IMAGEX_REF_OPTION},
298         {T("threads"),     required_argument, NULL, IMAGEX_THREADS_OPTION},
299         {T("rebuild"),     no_argument,       NULL, IMAGEX_REBUILD_OPTION},
300         {T("pipable"),     no_argument,       NULL, IMAGEX_PIPABLE_OPTION},
301         {T("not-pipable"), no_argument,       NULL, IMAGEX_NOT_PIPABLE_OPTION},
302         {T("wimboot"),     no_argument,       NULL, IMAGEX_WIMBOOT_OPTION},
303         {T("unsafe-compact"), no_argument,    NULL, IMAGEX_UNSAFE_COMPACT_OPTION},
304         {NULL, 0, NULL, 0},
305 };
306
307 static const struct option extract_options[] = {
308         {T("check"),       no_argument,       NULL, IMAGEX_CHECK_OPTION},
309         {T("verbose"),     no_argument,       NULL, IMAGEX_VERBOSE_OPTION},
310         {T("ref"),         required_argument, NULL, IMAGEX_REF_OPTION},
311         {T("unix-data"),   no_argument,       NULL, IMAGEX_UNIX_DATA_OPTION},
312         {T("noacls"),      no_argument,       NULL, IMAGEX_NO_ACLS_OPTION},
313         {T("no-acls"),     no_argument,       NULL, IMAGEX_NO_ACLS_OPTION},
314         {T("strict-acls"), no_argument,       NULL, IMAGEX_STRICT_ACLS_OPTION},
315         {T("no-attributes"), no_argument,     NULL, IMAGEX_NO_ATTRIBUTES_OPTION},
316         {T("dest-dir"),    required_argument, NULL, IMAGEX_DEST_DIR_OPTION},
317         {T("to-stdout"),   no_argument,       NULL, IMAGEX_TO_STDOUT_OPTION},
318         {T("include-invalid-names"), no_argument, NULL, IMAGEX_INCLUDE_INVALID_NAMES_OPTION},
319         {T("no-wildcards"), no_argument,      NULL, IMAGEX_NO_GLOBS_OPTION},
320         {T("no-globs"),     no_argument,      NULL, IMAGEX_NO_GLOBS_OPTION},
321         {T("nullglob"),     no_argument,      NULL, IMAGEX_NULLGLOB_OPTION},
322         {T("preserve-dir-structure"), no_argument, NULL, IMAGEX_PRESERVE_DIR_STRUCTURE_OPTION},
323         {T("wimboot"),     no_argument,       NULL, IMAGEX_WIMBOOT_OPTION},
324         {T("compact"),     required_argument, NULL, IMAGEX_COMPACT_OPTION},
325         {NULL, 0, NULL, 0},
326 };
327
328 static const struct option info_options[] = {
329         {T("boot"),         no_argument,       NULL, IMAGEX_BOOT_OPTION},
330         {T("check"),        no_argument,       NULL, IMAGEX_CHECK_OPTION},
331         {T("nocheck"),      no_argument,       NULL, IMAGEX_NOCHECK_OPTION},
332         {T("no-check"),     no_argument,       NULL, IMAGEX_NOCHECK_OPTION},
333         {T("extract-xml"),  required_argument, NULL, IMAGEX_EXTRACT_XML_OPTION},
334         {T("header"),       no_argument,       NULL, IMAGEX_HEADER_OPTION},
335         {T("lookup-table"), no_argument,       NULL, IMAGEX_BLOBS_OPTION},
336         {T("blobs"),        no_argument,       NULL, IMAGEX_BLOBS_OPTION},
337         {T("metadata"),     no_argument,       NULL, IMAGEX_METADATA_OPTION},
338         {T("xml"),          no_argument,       NULL, IMAGEX_XML_OPTION},
339         {T("image-property"), required_argument, NULL, IMAGEX_IMAGE_PROPERTY_OPTION},
340         {NULL, 0, NULL, 0},
341 };
342
343 static const struct option join_options[] = {
344         {T("check"), no_argument, NULL, IMAGEX_CHECK_OPTION},
345         {NULL, 0, NULL, 0},
346 };
347
348 static const struct option mount_options[] = {
349         {T("check"),             no_argument,       NULL, IMAGEX_CHECK_OPTION},
350         {T("debug"),             no_argument,       NULL, IMAGEX_DEBUG_OPTION},
351         {T("streams-interface"), required_argument, NULL, IMAGEX_STREAMS_INTERFACE_OPTION},
352         {T("ref"),               required_argument, NULL, IMAGEX_REF_OPTION},
353         {T("staging-dir"),       required_argument, NULL, IMAGEX_STAGING_DIR_OPTION},
354         {T("unix-data"),         no_argument,       NULL, IMAGEX_UNIX_DATA_OPTION},
355         {T("allow-other"),       no_argument,       NULL, IMAGEX_ALLOW_OTHER_OPTION},
356         {NULL, 0, NULL, 0},
357 };
358
359 static const struct option optimize_options[] = {
360         {T("check"),       no_argument,       NULL, IMAGEX_CHECK_OPTION},
361         {T("nocheck"),     no_argument,       NULL, IMAGEX_NOCHECK_OPTION},
362         {T("no-check"),    no_argument,       NULL, IMAGEX_NOCHECK_OPTION},
363         {T("compress"),    required_argument, NULL, IMAGEX_COMPRESS_OPTION},
364         {T("recompress"),  no_argument,       NULL, IMAGEX_RECOMPRESS_OPTION},
365         {T("compress-slow"), no_argument,     NULL, IMAGEX_COMPRESS_SLOW_OPTION},
366         {T("recompress-slow"), no_argument,   NULL, IMAGEX_COMPRESS_SLOW_OPTION},
367         {T("chunk-size"),  required_argument, NULL, IMAGEX_CHUNK_SIZE_OPTION},
368         {T("solid"),       no_argument,       NULL, IMAGEX_SOLID_OPTION},
369         {T("pack-streams"),no_argument,       NULL, IMAGEX_SOLID_OPTION},
370         {T("solid-compress"),required_argument, NULL, IMAGEX_SOLID_COMPRESS_OPTION},
371         {T("pack-compress"), required_argument, NULL, IMAGEX_SOLID_COMPRESS_OPTION},
372         {T("solid-chunk-size"),required_argument, NULL, IMAGEX_SOLID_CHUNK_SIZE_OPTION},
373         {T("pack-chunk-size"), required_argument, NULL, IMAGEX_SOLID_CHUNK_SIZE_OPTION},
374         {T("no-solid-sort"), no_argument,     NULL, IMAGEX_NO_SOLID_SORT_OPTION},
375         {T("threads"),     required_argument, NULL, IMAGEX_THREADS_OPTION},
376         {T("pipable"),     no_argument,       NULL, IMAGEX_PIPABLE_OPTION},
377         {T("not-pipable"), no_argument,       NULL, IMAGEX_NOT_PIPABLE_OPTION},
378         {T("unsafe-compact"), no_argument,    NULL, IMAGEX_UNSAFE_COMPACT_OPTION},
379         {NULL, 0, NULL, 0},
380 };
381
382 static const struct option split_options[] = {
383         {T("check"), no_argument, NULL, IMAGEX_CHECK_OPTION},
384         {NULL, 0, NULL, 0},
385 };
386
387 static const struct option unmount_options[] = {
388         {T("commit"),  no_argument, NULL, IMAGEX_COMMIT_OPTION},
389         {T("check"),   no_argument, NULL, IMAGEX_CHECK_OPTION},
390         {T("rebuild"), no_argument, NULL, IMAGEX_REBUILD_OPTION},
391         {T("lazy"),    no_argument, NULL, IMAGEX_LAZY_OPTION},
392         {T("force"),    no_argument, NULL, IMAGEX_FORCE_OPTION},
393         {T("new-image"), no_argument, NULL, IMAGEX_NEW_IMAGE_OPTION},
394         {NULL, 0, NULL, 0},
395 };
396
397 static const struct option update_options[] = {
398         /* Careful: some of the options here set the defaults for update
399          * commands, but the flags given to an actual update command (and not to
400          * `imagex update' itself are also handled in
401          * update_command_add_option().  */
402         {T("threads"),     required_argument, NULL, IMAGEX_THREADS_OPTION},
403         {T("check"),       no_argument,       NULL, IMAGEX_CHECK_OPTION},
404         {T("rebuild"),     no_argument,       NULL, IMAGEX_REBUILD_OPTION},
405         {T("command"),     required_argument, NULL, IMAGEX_COMMAND_OPTION},
406         {T("wimboot-config"), required_argument, NULL, IMAGEX_WIMBOOT_CONFIG_OPTION},
407
408         /* Default delete options */
409         {T("force"),       no_argument,       NULL, IMAGEX_FORCE_OPTION},
410         {T("recursive"),   no_argument,       NULL, IMAGEX_RECURSIVE_OPTION},
411
412         /* Global add option */
413         {T("config"),      required_argument, NULL, IMAGEX_CONFIG_OPTION},
414
415         /* Default add options */
416         {T("verbose"),     no_argument,       NULL, IMAGEX_VERBOSE_OPTION},
417         {T("dereference"), no_argument,       NULL, IMAGEX_DEREFERENCE_OPTION},
418         {T("unix-data"),   no_argument,       NULL, IMAGEX_UNIX_DATA_OPTION},
419         {T("noacls"),      no_argument,       NULL, IMAGEX_NO_ACLS_OPTION},
420         {T("no-acls"),     no_argument,       NULL, IMAGEX_NO_ACLS_OPTION},
421         {T("strict-acls"), no_argument,       NULL, IMAGEX_STRICT_ACLS_OPTION},
422         {T("no-replace"),  no_argument,       NULL, IMAGEX_NO_REPLACE_OPTION},
423         {T("unsafe-compact"), no_argument,    NULL, IMAGEX_UNSAFE_COMPACT_OPTION},
424
425         {NULL, 0, NULL, 0},
426 };
427
428 static const struct option verify_options[] = {
429         {T("ref"), required_argument, NULL, IMAGEX_REF_OPTION},
430         {T("nocheck"), no_argument, NULL, IMAGEX_NOCHECK_OPTION},
431
432         {NULL, 0, NULL, 0},
433 };
434
435 #if 0
436 #       define _format_attribute(type, format_str, args_start) \
437                         __attribute__((format(type, format_str, args_start)))
438 #else
439 #       define _format_attribute(type, format_str, args_start)
440 #endif
441
442 /* Print formatted error message to stderr. */
443 static void _format_attribute(printf, 1, 2)
444 imagex_error(const tchar *format, ...)
445 {
446         va_list va;
447         va_start(va, format);
448         tfputs(T("ERROR: "), stderr);
449         tvfprintf(stderr, format, va);
450         tputc(T('\n'), stderr);
451         va_end(va);
452 }
453
454 /* Print formatted error message to stderr. */
455 static void _format_attribute(printf, 1, 2)
456 imagex_error_with_errno(const tchar *format, ...)
457 {
458         int errno_save = errno;
459         va_list va;
460         va_start(va, format);
461         tfputs(T("ERROR: "), stderr);
462         tvfprintf(stderr, format, va);
463         tfprintf(stderr, T(": %"TS"\n"), tstrerror(errno_save));
464         va_end(va);
465 }
466
467 static int
468 verify_image_exists(int image, const tchar *image_name, const tchar *wim_name)
469 {
470         if (image == WIMLIB_NO_IMAGE) {
471                 imagex_error(T("\"%"TS"\" is not a valid image in \"%"TS"\"!\n"
472                              "       Please specify a 1-based image index or "
473                              "image name.  To list the images\n"
474                              "       contained in the WIM archive, run\n"
475                              "\n"
476                              "           %"TS" \"%"TS"\"\n"),
477                              image_name, wim_name,
478                              get_cmd_string(CMD_INFO, false), wim_name);
479                 return WIMLIB_ERR_INVALID_IMAGE;
480         }
481         return 0;
482 }
483
484 static int
485 verify_image_is_single(int image)
486 {
487         if (image == WIMLIB_ALL_IMAGES) {
488                 imagex_error(T("Cannot specify all images for this action!"));
489                 return WIMLIB_ERR_INVALID_IMAGE;
490         }
491         return 0;
492 }
493
494 static int
495 verify_image_exists_and_is_single(int image, const tchar *image_name,
496                                   const tchar *wim_name)
497 {
498         int ret;
499         ret = verify_image_exists(image, image_name, wim_name);
500         if (ret == 0)
501                 ret = verify_image_is_single(image);
502         return ret;
503 }
504
505 static void
506 print_available_compression_types(FILE *fp)
507 {
508         static const tchar *s =
509         T(
510         "Available compression types:\n"
511         "\n"
512         "    none\n"
513         "    xpress (alias: \"fast\")\n"
514         "    lzx    (alias: \"maximum\") (default for capture)\n"
515         "    lzms   (alias: \"recovery\")\n"
516         "\n"
517         );
518         tfputs(s, fp);
519 }
520
521 /* Parse the argument to --compress */
522 static int
523 get_compression_type(tchar *optarg)
524 {
525         int ctype;
526         unsigned int compression_level = 0;
527         tchar *plevel;
528
529         plevel = tstrchr(optarg, T(':'));
530         if (plevel) {
531                 tchar *ptmp;
532                 unsigned long ultmp;
533
534                 *plevel++ = T('\0');
535                 ultmp = tstrtoul(plevel, &ptmp, 10);
536                 if (ultmp >= UINT_MAX || ultmp == 0 || *ptmp || ptmp == plevel) {
537                         imagex_error(T("Compression level must be a positive integer! "
538                                        "e.g. --compress=lzx:80"));
539                         return WIMLIB_COMPRESSION_TYPE_INVALID;
540                 }
541                 compression_level = ultmp;
542         }
543
544         if (!tstrcasecmp(optarg, T("maximum")) ||
545             !tstrcasecmp(optarg, T("lzx")) ||
546             !tstrcasecmp(optarg, T("max")))
547                 ctype = WIMLIB_COMPRESSION_TYPE_LZX;
548         else if (!tstrcasecmp(optarg, T("fast")) || !tstrcasecmp(optarg, T("xpress")))
549                 ctype = WIMLIB_COMPRESSION_TYPE_XPRESS;
550         else if (!tstrcasecmp(optarg, T("recovery")) || !tstrcasecmp(optarg, T("lzms")))
551                 ctype = WIMLIB_COMPRESSION_TYPE_LZMS;
552         else if (!tstrcasecmp(optarg, T("none")))
553                 ctype = WIMLIB_COMPRESSION_TYPE_NONE;
554         else {
555                 imagex_error(T("Invalid compression type \"%"TS"\"!"), optarg);
556                 print_available_compression_types(stderr);
557                 return WIMLIB_COMPRESSION_TYPE_INVALID;
558         }
559
560         if (compression_level != 0)
561                 wimlib_set_default_compression_level(ctype, compression_level);
562         return ctype;
563 }
564
565 /* Parse the argument to --compact */
566 static int
567 set_compact_mode(const tchar *arg, int *extract_flags)
568 {
569         int flag = 0;
570         if (!tstrcasecmp(arg, T("xpress4k")))
571                 flag = WIMLIB_EXTRACT_FLAG_COMPACT_XPRESS4K;
572         else if (!tstrcasecmp(arg, T("xpress8k")))
573                 flag = WIMLIB_EXTRACT_FLAG_COMPACT_XPRESS8K;
574         else if (!tstrcasecmp(arg, T("xpress16k")))
575                 flag = WIMLIB_EXTRACT_FLAG_COMPACT_XPRESS16K;
576         else if (!tstrcasecmp(arg, T("lzx")))
577                 flag = WIMLIB_EXTRACT_FLAG_COMPACT_LZX;
578
579         if (flag) {
580                 *extract_flags |= flag;
581                 return 0;
582         }
583
584         imagex_error(T(
585 "\"%"TS"\" is not a recognized System Compression format.  The options are:"
586 "\n"
587 "    --compact=xpress4k\n"
588 "    --compact=xpress8k\n"
589 "    --compact=xpress16k\n"
590 "    --compact=lzx\n"
591         ), arg);
592         return -1;
593 }
594
595
596 static void
597 set_compress_slow(void)
598 {
599 #if 0
600         fprintf(stderr, "WARNING: the '--compress-slow' option is deprecated.\n"
601                         "         Use the '--compress=TYPE:LEVEL' option instead.\n");
602 #endif
603         wimlib_set_default_compression_level(-1, 100);
604 }
605
606 struct string_set {
607         tchar **strings;
608         unsigned num_strings;
609         unsigned num_alloc_strings;
610 };
611
612 #define STRING_SET_INITIALIZER \
613         { .strings = NULL, .num_strings = 0, .num_alloc_strings = 0, }
614
615 #define STRING_SET(_strings) \
616         struct string_set _strings = STRING_SET_INITIALIZER
617
618 static int
619 string_set_append(struct string_set *set, tchar *glob)
620 {
621         unsigned num_alloc_strings = set->num_alloc_strings;
622
623         if (set->num_strings == num_alloc_strings) {
624                 tchar **new_strings;
625
626                 num_alloc_strings += 4;
627                 new_strings = realloc(set->strings,
628                                       sizeof(set->strings[0]) * num_alloc_strings);
629                 if (!new_strings) {
630                         imagex_error(T("Out of memory!"));
631                         return -1;
632                 }
633                 set->strings = new_strings;
634                 set->num_alloc_strings = num_alloc_strings;
635         }
636         set->strings[set->num_strings++] = glob;
637         return 0;
638 }
639
640 static void
641 string_set_destroy(struct string_set *set)
642 {
643         free(set->strings);
644 }
645
646 static int
647 wim_reference_globs(WIMStruct *wim, struct string_set *set, int open_flags)
648 {
649         return wimlib_reference_resource_files(wim, (const tchar **)set->strings,
650                                                set->num_strings,
651                                                WIMLIB_REF_FLAG_GLOB_ENABLE,
652                                                open_flags);
653 }
654
655 static int
656 append_image_property_argument(struct string_set *image_properties)
657 {
658         if (!tstrchr(optarg, '=')) {
659                 imagex_error(T("'--image-property' argument "
660                                "must be in the form NAME=VALUE"));
661                 return -1;
662         }
663         return string_set_append(image_properties, optarg);
664 }
665
666 static int
667 apply_image_properties(struct string_set *image_properties,
668                        WIMStruct *wim, int image, bool *any_changes_ret)
669 {
670         bool any_changes = false;
671         for (unsigned i = 0; i < image_properties->num_strings; i++) {
672                 tchar *name, *value;
673                 const tchar *current_value;
674                 int ret;
675
676                 name = image_properties->strings[i];
677                 value = tstrchr(name, '=');
678                 *value++ = '\0';
679
680                 current_value = wimlib_get_image_property(wim, image, name);
681                 if (current_value && !tstrcmp(current_value, value)) {
682                         imagex_printf(T("The %"TS" property of image %d "
683                                         "already has value \"%"TS"\".\n"),
684                                       name, image, value);
685                 } else {
686                         imagex_printf(T("Setting the %"TS" property of image "
687                                         "%d to \"%"TS"\".\n"),
688                                       name, image, value);
689                         ret = wimlib_set_image_property(wim, image, name, value);
690                         if (ret)
691                                 return ret;
692                         any_changes = true;
693                 }
694         }
695         if (any_changes_ret)
696                 *any_changes_ret = any_changes;
697         return 0;
698 }
699
700 static void
701 do_resource_not_found_warning(const tchar *wimfile,
702                               const struct wimlib_wim_info *info,
703                               const struct string_set *refglobs)
704 {
705         if (info->total_parts > 1) {
706                 if (refglobs->num_strings == 0) {
707                         imagex_error(T("\"%"TS"\" is part of a split WIM. "
708                                        "Use --ref to specify the other parts."),
709                                      wimfile);
710                 } else {
711                         imagex_error(T("Perhaps the '--ref' argument did not "
712                                        "specify all other parts of the split "
713                                        "WIM?"));
714                 }
715         } else {
716                 imagex_error(T("If this is a delta WIM, use the --ref argument "
717                                "to specify the WIM(s) on which it is based."));
718         }
719 }
720
721 static void
722 do_metadata_not_found_warning(const tchar *wimfile,
723                               const struct wimlib_wim_info *info)
724 {
725         if (info->part_number != 1) {
726                 imagex_error(T("\"%"TS"\" is not the first part of the split WIM.\n"
727                                "       You must specify the first part."),
728                                wimfile);
729         }
730 }
731
732 /* Returns the size of a file given its name, or -1 if the file does not exist
733  * or its size cannot be determined.  */
734 static off_t
735 file_get_size(const tchar *filename)
736 {
737         struct stat st;
738         if (tstat(filename, &st) == 0)
739                 return st.st_size;
740         else
741                 return (off_t)-1;
742 }
743
744 enum {
745         PARSE_STRING_SUCCESS = 0,
746         PARSE_STRING_FAILURE = 1,
747         PARSE_STRING_NONE = 2,
748 };
749
750 /*
751  * Parses a string token from an array of characters.
752  *
753  * Tokens are either whitespace-delimited, or double or single-quoted.
754  *
755  * @line_p:  Pointer to the pointer to the line of data.  Will be updated
756  *           to point past the string token iff the return value is
757  *           PARSE_STRING_SUCCESS.  If *len_p > 0, (*line_p)[*len_p - 1] must
758  *           be '\0'.
759  *
760  * @len_p:   @len_p initially stores the length of the line of data, which may
761  *           be 0, and it will be updated to the number of bytes remaining in
762  *           the line iff the return value is PARSE_STRING_SUCCESS.
763  *
764  * @fn_ret:  Iff the return value is PARSE_STRING_SUCCESS, a pointer to the
765  *           parsed string token will be returned here.
766  *
767  * Returns: PARSE_STRING_SUCCESS if a string token was successfully parsed; or
768  *          PARSE_STRING_FAILURE if the data was invalid due to a missing
769  *          closing quote; or PARSE_STRING_NONE if the line ended before the
770  *          beginning of a string token was found.
771  */
772 static int
773 parse_string(tchar **line_p, size_t *len_p, tchar **fn_ret)
774 {
775         size_t len = *len_p;
776         tchar *line = *line_p;
777         tchar *fn;
778         tchar quote_char;
779
780         /* Skip leading whitespace */
781         for (;;) {
782                 if (len == 0)
783                         return PARSE_STRING_NONE;
784                 if (!istspace(*line) && *line != T('\0'))
785                         break;
786                 line++;
787                 len--;
788         }
789         quote_char = *line;
790         if (quote_char == T('"') || quote_char == T('\'')) {
791                 /* Quoted string */
792                 line++;
793                 len--;
794                 fn = line;
795                 line = tmemchr(line, quote_char, len);
796                 if (!line) {
797                         imagex_error(T("Missing closing quote: %"TS), fn - 1);
798                         return PARSE_STRING_FAILURE;
799                 }
800         } else {
801                 /* Unquoted string.  Go until whitespace.  Line is terminated
802                  * by '\0', so no need to check 'len'. */
803                 fn = line;
804                 do {
805                         line++;
806                 } while (!istspace(*line) && *line != T('\0'));
807         }
808         *line = T('\0');
809         len -= line - fn;
810         *len_p = len;
811         *line_p = line;
812         *fn_ret = fn;
813         return PARSE_STRING_SUCCESS;
814 }
815
816 /* Parses a line of data (not an empty line or comment) in the source list file
817  * format.  (See the man page for 'wimlib-imagex capture' for details on this
818  * format and the meaning.)
819  *
820  * @line:  Line of data to be parsed.  line[len - 1] must be '\0', unless
821  *         len == 0.  The data in @line will be modified by this function call.
822  *
823  * @len:   Length of the line of data.
824  *
825  * @source:  On success, the capture source and target described by the line is
826  *           written into this destination.  Note that it will contain pointers
827  *           to data in the @line array.
828  *
829  * Returns true if the line was valid; false otherwise.  */
830 static bool
831 parse_source_list_line(tchar *line, size_t len,
832                        struct wimlib_capture_source *source)
833 {
834         /* SOURCE [DEST] */
835         int ret;
836         ret = parse_string(&line, &len, &source->fs_source_path);
837         if (ret != PARSE_STRING_SUCCESS)
838                 return false;
839         ret = parse_string(&line, &len, &source->wim_target_path);
840         if (ret == PARSE_STRING_NONE)
841                 source->wim_target_path = source->fs_source_path;
842         return ret != PARSE_STRING_FAILURE;
843 }
844
845 /* Returns %true if the given line of length @len > 0 is a comment or empty line
846  * in the source list file format. */
847 static bool
848 is_comment_line(const tchar *line, size_t len)
849 {
850         for (;;) {
851                 if (*line == T('#') || *line == T(';'))
852                         return true;
853                 if (!istspace(*line) && *line != T('\0'))
854                         return false;
855                 ++line;
856                 --len;
857                 if (len == 0)
858                         return true;
859         }
860 }
861
862 static ssize_t
863 text_file_count_lines(tchar **contents_p, size_t *nchars_p)
864 {
865         ssize_t nlines = 0;
866         tchar *contents = *contents_p;
867         size_t nchars = *nchars_p;
868         size_t i;
869
870         for (i = 0; i < nchars; i++)
871                 if (contents[i] == T('\n'))
872                         nlines++;
873
874         /* Handle last line not terminated by a newline */
875         if (nchars != 0 && contents[nchars - 1] != T('\n')) {
876                 contents = realloc(contents, (nchars + 1) * sizeof(tchar));
877                 if (!contents) {
878                         imagex_error(T("Out of memory!"));
879                         return -1;
880                 }
881                 contents[nchars] = T('\n');
882                 *contents_p = contents;
883                 nchars++;
884                 nlines++;
885         }
886         *nchars_p = nchars;
887         return nlines;
888 }
889
890 /* Parses a file in the source list format.  (See the man page for
891  * 'wimlib-imagex capture' for details on this format and the meaning.)
892  *
893  * @source_list_contents:  Contents of the source list file.  Note that this
894  *                         buffer will be modified to save memory allocations,
895  *                         and cannot be freed until the returned array of
896  *                         wimlib_capture_source's has also been freed.
897  *
898  * @source_list_nbytes:    Number of bytes of data in the @source_list_contents
899  *                         buffer.
900  *
901  * @nsources_ret:          On success, the length of the returned array is
902  *                         returned here.
903  *
904  * Returns:   An array of `struct wimlib_capture_source's that can be passed to
905  * the wimlib_add_image_multisource() function to specify how a WIM image is to
906  * be created.  */
907 static struct wimlib_capture_source *
908 parse_source_list(tchar **source_list_contents_p, size_t source_list_nchars,
909                   size_t *nsources_ret)
910 {
911         ssize_t nlines;
912         tchar *p;
913         struct wimlib_capture_source *sources;
914         size_t i, j;
915
916         nlines = text_file_count_lines(source_list_contents_p,
917                                        &source_list_nchars);
918         if (nlines < 0)
919                 return NULL;
920
921         /* Always allocate at least 1 slot, just in case the implementation of
922          * calloc() returns NULL if 0 bytes are requested. */
923         sources = calloc(nlines ?: 1, sizeof(*sources));
924         if (!sources) {
925                 imagex_error(T("out of memory"));
926                 return NULL;
927         }
928         p = *source_list_contents_p;
929         j = 0;
930         for (i = 0; i < nlines; i++) {
931                 /* XXX: Could use rawmemchr() here instead, but it may not be
932                  * available on all platforms. */
933                 tchar *endp = tmemchr(p, T('\n'), source_list_nchars);
934                 size_t len = endp - p + 1;
935                 *endp = T('\0');
936                 if (!is_comment_line(p, len)) {
937                         if (!parse_source_list_line(p, len, &sources[j++])) {
938                                 free(sources);
939                                 return NULL;
940                         }
941                 }
942                 p = endp + 1;
943
944         }
945         *nsources_ret = j;
946         return sources;
947 }
948
949 /* Reads the contents of a file into memory. */
950 static char *
951 file_get_contents(const tchar *filename, size_t *len_ret)
952 {
953         struct stat stbuf;
954         void *buf = NULL;
955         size_t len;
956         FILE *fp;
957
958         if (tstat(filename, &stbuf) != 0) {
959                 imagex_error_with_errno(T("Failed to stat the file \"%"TS"\""), filename);
960                 goto out;
961         }
962         len = stbuf.st_size;
963
964         fp = tfopen(filename, T("rb"));
965         if (!fp) {
966                 imagex_error_with_errno(T("Failed to open the file \"%"TS"\""), filename);
967                 goto out;
968         }
969
970         buf = malloc(len ? len : 1);
971         if (!buf) {
972                 imagex_error(T("Failed to allocate buffer of %zu bytes to hold "
973                                "contents of file \"%"TS"\""), len, filename);
974                 goto out_fclose;
975         }
976         if (fread(buf, 1, len, fp) != len) {
977                 imagex_error_with_errno(T("Failed to read %zu bytes from the "
978                                           "file \"%"TS"\""), len, filename);
979                 goto out_free_buf;
980         }
981         *len_ret = len;
982         goto out_fclose;
983 out_free_buf:
984         free(buf);
985         buf = NULL;
986 out_fclose:
987         fclose(fp);
988 out:
989         return buf;
990 }
991
992 /* Read standard input until EOF and return the full contents in a malloc()ed
993  * buffer and the number of bytes of data in @len_ret.  Returns NULL on read
994  * error. */
995 static char *
996 stdin_get_contents(size_t *len_ret)
997 {
998         /* stdin can, of course, be a pipe or other non-seekable file, so the
999          * total length of the data cannot be pre-determined */
1000         char *buf = NULL;
1001         size_t newlen = 1024;
1002         size_t pos = 0;
1003         size_t inc = 1024;
1004         for (;;) {
1005                 char *p = realloc(buf, newlen);
1006                 size_t bytes_read, bytes_to_read;
1007                 if (!p) {
1008                         imagex_error(T("out of memory while reading stdin"));
1009                         break;
1010                 }
1011                 buf = p;
1012                 bytes_to_read = newlen - pos;
1013                 bytes_read = fread(&buf[pos], 1, bytes_to_read, stdin);
1014                 pos += bytes_read;
1015                 if (bytes_read != bytes_to_read) {
1016                         if (feof(stdin)) {
1017                                 *len_ret = pos;
1018                                 return buf;
1019                         } else {
1020                                 imagex_error_with_errno(T("error reading stdin"));
1021                                 break;
1022                         }
1023                 }
1024                 newlen += inc;
1025                 inc *= 3;
1026                 inc /= 2;
1027         }
1028         free(buf);
1029         return NULL;
1030 }
1031
1032
1033 static tchar *
1034 translate_text_to_tstr(char *text, size_t num_bytes, size_t *num_tchars_ret)
1035 {
1036 #ifndef __WIN32__
1037         /* On non-Windows, assume an ASCII-compatible encoding, such as UTF-8.
1038          * */
1039         *num_tchars_ret = num_bytes;
1040         return text;
1041 #else /* !__WIN32__ */
1042         /* On Windows, translate the text to UTF-16LE */
1043         wchar_t *text_wstr;
1044         size_t num_wchars;
1045
1046         if (num_bytes >= 2 &&
1047             (((unsigned char)text[0] == 0xff && (unsigned char)text[1] == 0xfe) ||
1048              ((unsigned char)text[0] <= 0x7f && (unsigned char)text[1] == 0x00)))
1049         {
1050                 /* File begins with 0xfeff, the BOM for UTF-16LE, or it begins
1051                  * with something that looks like an ASCII character encoded as
1052                  * a UTF-16LE code unit.  Assume the file is encoded as
1053                  * UTF-16LE.  This is not a 100% reliable check. */
1054                 num_wchars = num_bytes / 2;
1055                 text_wstr = (wchar_t*)text;
1056         } else {
1057                 /* File does not look like UTF-16LE.  Assume it is encoded in
1058                  * the current Windows code page.  I think these are always
1059                  * ASCII-compatible, so any so-called "plain-text" (ASCII) files
1060                  * should work as expected. */
1061                 text_wstr = win32_mbs_to_wcs(text,
1062                                              num_bytes,
1063                                              &num_wchars);
1064                 free(text);
1065         }
1066         *num_tchars_ret = num_wchars;
1067         return text_wstr;
1068 #endif /* __WIN32__ */
1069 }
1070
1071 static tchar *
1072 file_get_text_contents(const tchar *filename, size_t *num_tchars_ret)
1073 {
1074         char *contents;
1075         size_t num_bytes;
1076
1077         contents = file_get_contents(filename, &num_bytes);
1078         if (!contents)
1079                 return NULL;
1080         return translate_text_to_tstr(contents, num_bytes, num_tchars_ret);
1081 }
1082
1083 static tchar *
1084 stdin_get_text_contents(size_t *num_tchars_ret)
1085 {
1086         char *contents;
1087         size_t num_bytes;
1088
1089         contents = stdin_get_contents(&num_bytes);
1090         if (!contents)
1091                 return NULL;
1092         return translate_text_to_tstr(contents, num_bytes, num_tchars_ret);
1093 }
1094
1095 #define TO_PERCENT(numerator, denominator) \
1096         (((denominator) == 0) ? 0 : ((numerator) * 100 / (denominator)))
1097
1098 #define GIBIBYTE_MIN_NBYTES 10000000000ULL
1099 #define MEBIBYTE_MIN_NBYTES 10000000ULL
1100 #define KIBIBYTE_MIN_NBYTES 10000ULL
1101
1102 static unsigned
1103 get_unit(uint64_t total_bytes, const tchar **name_ret)
1104 {
1105         if (total_bytes >= GIBIBYTE_MIN_NBYTES) {
1106                 *name_ret = T("GiB");
1107                 return 30;
1108         } else if (total_bytes >= MEBIBYTE_MIN_NBYTES) {
1109                 *name_ret = T("MiB");
1110                 return 20;
1111         } else if (total_bytes >= KIBIBYTE_MIN_NBYTES) {
1112                 *name_ret = T("KiB");
1113                 return 10;
1114         } else {
1115                 *name_ret = T("bytes");
1116                 return 0;
1117         }
1118 }
1119
1120 static struct wimlib_progress_info_scan last_scan_progress;
1121
1122 static void
1123 report_scan_progress(const struct wimlib_progress_info_scan *scan, bool done)
1124 {
1125         uint64_t prev_count, cur_count;
1126
1127         prev_count = last_scan_progress.num_nondirs_scanned +
1128                      last_scan_progress.num_dirs_scanned;
1129         cur_count = scan->num_nondirs_scanned + scan->num_dirs_scanned;
1130
1131         if (done || prev_count == 0 || cur_count >= prev_count + 100 ||
1132             cur_count % 128 == 0)
1133         {
1134                 unsigned unit_shift;
1135                 const tchar *unit_name;
1136
1137                 unit_shift = get_unit(scan->num_bytes_scanned, &unit_name);
1138                 imagex_printf(T("\r%"PRIu64" %"TS" scanned (%"PRIu64" files, "
1139                                 "%"PRIu64" directories)    "),
1140                               scan->num_bytes_scanned >> unit_shift,
1141                               unit_name,
1142                               scan->num_nondirs_scanned,
1143                               scan->num_dirs_scanned);
1144                 last_scan_progress = *scan;
1145         }
1146 }
1147 /* Progress callback function passed to various wimlib functions. */
1148 static enum wimlib_progress_status
1149 imagex_progress_func(enum wimlib_progress_msg msg,
1150                      union wimlib_progress_info *info,
1151                      void *_ignored_context)
1152 {
1153         unsigned percent_done;
1154         unsigned unit_shift;
1155         const tchar *unit_name;
1156
1157         if (imagex_be_quiet)
1158                 return WIMLIB_PROGRESS_STATUS_CONTINUE;
1159         switch (msg) {
1160         case WIMLIB_PROGRESS_MSG_WRITE_STREAMS:
1161                 {
1162                         static bool first = true;
1163                         if (first) {
1164                                 imagex_printf(T("Writing %"TS"-compressed data "
1165                                                 "using %u thread%"TS"\n"),
1166                                               wimlib_get_compression_type_string(
1167                                                         info->write_streams.compression_type),
1168                                         info->write_streams.num_threads,
1169                                         (info->write_streams.num_threads == 1) ? T("") : T("s"));
1170                                 first = false;
1171                         }
1172                 }
1173                 unit_shift = get_unit(info->write_streams.total_bytes, &unit_name);
1174                 percent_done = TO_PERCENT(info->write_streams.completed_bytes,
1175                                           info->write_streams.total_bytes);
1176
1177                 imagex_printf(T("\r%"PRIu64" %"TS" of %"PRIu64" %"TS" (uncompressed) "
1178                         "written (%u%% done)"),
1179                         info->write_streams.completed_bytes >> unit_shift,
1180                         unit_name,
1181                         info->write_streams.total_bytes >> unit_shift,
1182                         unit_name,
1183                         percent_done);
1184                 if (info->write_streams.completed_bytes >= info->write_streams.total_bytes)
1185                         imagex_printf(T("\n"));
1186                 break;
1187         case WIMLIB_PROGRESS_MSG_SCAN_BEGIN:
1188                 imagex_printf(T("Scanning \"%"TS"\""), info->scan.source);
1189                 if (WIMLIB_IS_WIM_ROOT_PATH(info->scan.wim_target_path)) {
1190                         imagex_printf(T("\n"));
1191                 } else {
1192                         imagex_printf(T(" (loading as WIM path: \"%"TS"\")...\n"),
1193                                       info->scan.wim_target_path);
1194                 }
1195                 memset(&last_scan_progress, 0, sizeof(last_scan_progress));
1196                 break;
1197         case WIMLIB_PROGRESS_MSG_SCAN_DENTRY:
1198                 switch (info->scan.status) {
1199                 case WIMLIB_SCAN_DENTRY_OK:
1200                         report_scan_progress(&info->scan, false);
1201                         break;
1202                 case WIMLIB_SCAN_DENTRY_EXCLUDED:
1203                         imagex_printf(T("\nExcluding \"%"TS"\" from capture\n"), info->scan.cur_path);
1204                         break;
1205                 case WIMLIB_SCAN_DENTRY_UNSUPPORTED:
1206                         imagex_printf(T("\nWARNING: Excluding unsupported file or directory\n"
1207                                         "         \"%"TS"\" from capture\n"), info->scan.cur_path);
1208                         break;
1209                 case WIMLIB_SCAN_DENTRY_FIXED_SYMLINK:
1210                         /* Symlink fixups are enabled by default.  This is
1211                          * mainly intended for Windows, which for some reason
1212                          * uses absolute junctions (with drive letters!) in the
1213                          * default installation.  On UNIX-like systems, warn the
1214                          * user when fixing the target of an absolute symbolic
1215                          * link, so they know to disable this if they want.  */
1216                 #ifndef __WIN32__
1217                         imagex_printf(T("\nWARNING: Adjusted target of "
1218                                         "absolute symbolic link \"%"TS"\"\n"
1219                                         "           (Use --norpfix to capture "
1220                                         "absolute symbolic links as-is)\n"),
1221                                         info->scan.cur_path);
1222                 #endif
1223                         break;
1224                 default:
1225                         break;
1226                 }
1227                 break;
1228         case WIMLIB_PROGRESS_MSG_SCAN_END:
1229                 report_scan_progress(&info->scan, true);
1230                 imagex_printf(T("\n"));
1231                 break;
1232         case WIMLIB_PROGRESS_MSG_VERIFY_INTEGRITY:
1233                 unit_shift = get_unit(info->integrity.total_bytes, &unit_name);
1234                 percent_done = TO_PERCENT(info->integrity.completed_bytes,
1235                                           info->integrity.total_bytes);
1236                 imagex_printf(T("\rVerifying integrity of \"%"TS"\": %"PRIu64" %"TS" "
1237                         "of %"PRIu64" %"TS" (%u%%) done"),
1238                         info->integrity.filename,
1239                         info->integrity.completed_bytes >> unit_shift,
1240                         unit_name,
1241                         info->integrity.total_bytes >> unit_shift,
1242                         unit_name,
1243                         percent_done);
1244                 if (info->integrity.completed_bytes == info->integrity.total_bytes)
1245                         imagex_printf(T("\n"));
1246                 break;
1247         case WIMLIB_PROGRESS_MSG_CALC_INTEGRITY:
1248                 unit_shift = get_unit(info->integrity.total_bytes, &unit_name);
1249                 percent_done = TO_PERCENT(info->integrity.completed_bytes,
1250                                           info->integrity.total_bytes);
1251                 imagex_printf(T("\rCalculating integrity table for WIM: %"PRIu64" %"TS" "
1252                           "of %"PRIu64" %"TS" (%u%%) done"),
1253                         info->integrity.completed_bytes >> unit_shift,
1254                         unit_name,
1255                         info->integrity.total_bytes >> unit_shift,
1256                         unit_name,
1257                         percent_done);
1258                 if (info->integrity.completed_bytes == info->integrity.total_bytes)
1259                         imagex_printf(T("\n"));
1260                 break;
1261         case WIMLIB_PROGRESS_MSG_EXTRACT_IMAGE_BEGIN:
1262                 imagex_printf(T("Applying image %d (\"%"TS"\") from \"%"TS"\" "
1263                           "to %"TS" \"%"TS"\"\n"),
1264                         info->extract.image,
1265                         info->extract.image_name,
1266                         info->extract.wimfile_name,
1267                         ((info->extract.extract_flags & WIMLIB_EXTRACT_FLAG_NTFS) ?
1268                          T("NTFS volume") : T("directory")),
1269                         info->extract.target);
1270                 break;
1271         case WIMLIB_PROGRESS_MSG_EXTRACT_FILE_STRUCTURE:
1272                 if (info->extract.end_file_count >= 2000) {
1273                         percent_done = TO_PERCENT(info->extract.current_file_count,
1274                                                   info->extract.end_file_count);
1275                         imagex_printf(T("\rCreating files: %"PRIu64" of %"PRIu64" (%u%%) done"),
1276                                       info->extract.current_file_count,
1277                                       info->extract.end_file_count, percent_done);
1278                         if (info->extract.current_file_count == info->extract.end_file_count)
1279                                 imagex_printf(T("\n"));
1280                 }
1281                 break;
1282         case WIMLIB_PROGRESS_MSG_EXTRACT_STREAMS:
1283                 percent_done = TO_PERCENT(info->extract.completed_bytes,
1284                                           info->extract.total_bytes);
1285                 unit_shift = get_unit(info->extract.total_bytes, &unit_name);
1286                 imagex_printf(T("\rExtracting file data: "
1287                           "%"PRIu64" %"TS" of %"PRIu64" %"TS" (%u%%) done"),
1288                         info->extract.completed_bytes >> unit_shift,
1289                         unit_name,
1290                         info->extract.total_bytes >> unit_shift,
1291                         unit_name,
1292                         percent_done);
1293                 if (info->extract.completed_bytes >= info->extract.total_bytes)
1294                         imagex_printf(T("\n"));
1295                 break;
1296         case WIMLIB_PROGRESS_MSG_EXTRACT_METADATA:
1297                 if (info->extract.end_file_count >= 2000) {
1298                         percent_done = TO_PERCENT(info->extract.current_file_count,
1299                                                   info->extract.end_file_count);
1300                         imagex_printf(T("\rApplying metadata to files: %"PRIu64" of %"PRIu64" (%u%%) done"),
1301                                       info->extract.current_file_count,
1302                                       info->extract.end_file_count, percent_done);
1303                         if (info->extract.current_file_count == info->extract.end_file_count)
1304                                 imagex_printf(T("\n"));
1305                 }
1306                 break;
1307         case WIMLIB_PROGRESS_MSG_EXTRACT_SPWM_PART_BEGIN:
1308                 if (info->extract.total_parts != 1) {
1309                         imagex_printf(T("\nReading split pipable WIM part %u of %u\n"),
1310                                       info->extract.part_number,
1311                                       info->extract.total_parts);
1312                 }
1313                 break;
1314         case WIMLIB_PROGRESS_MSG_SPLIT_BEGIN_PART:
1315                 percent_done = TO_PERCENT(info->split.completed_bytes,
1316                                           info->split.total_bytes);
1317                 unit_shift = get_unit(info->split.total_bytes, &unit_name);
1318                 imagex_printf(T("Writing \"%"TS"\" (part %u of %u): %"PRIu64" %"TS" of "
1319                           "%"PRIu64" %"TS" (%u%%) written\n"),
1320                         info->split.part_name,
1321                         info->split.cur_part_number,
1322                         info->split.total_parts,
1323                         info->split.completed_bytes >> unit_shift,
1324                         unit_name,
1325                         info->split.total_bytes >> unit_shift,
1326                         unit_name,
1327                         percent_done);
1328                 break;
1329         case WIMLIB_PROGRESS_MSG_SPLIT_END_PART:
1330                 if (info->split.completed_bytes == info->split.total_bytes) {
1331                         imagex_printf(T("Finished writing split WIM part %u of %u\n"),
1332                                 info->split.cur_part_number,
1333                                 info->split.total_parts);
1334                 }
1335                 break;
1336         case WIMLIB_PROGRESS_MSG_UPDATE_END_COMMAND:
1337                 switch (info->update.command->op) {
1338                 case WIMLIB_UPDATE_OP_DELETE:
1339                         imagex_printf(T("Deleted WIM path \"%"TS"\"\n"),
1340                                 info->update.command->delete_.wim_path);
1341                         break;
1342                 case WIMLIB_UPDATE_OP_RENAME:
1343                         imagex_printf(T("Renamed WIM path \"%"TS"\" => \"%"TS"\"\n"),
1344                                 info->update.command->rename.wim_source_path,
1345                                 info->update.command->rename.wim_target_path);
1346                         break;
1347                 case WIMLIB_UPDATE_OP_ADD:
1348                 default:
1349                         break;
1350                 }
1351                 break;
1352         case WIMLIB_PROGRESS_MSG_REPLACE_FILE_IN_WIM:
1353                 imagex_printf(T("Updating \"%"TS"\" in WIM image\n"),
1354                               info->replace.path_in_wim);
1355                 break;
1356         case WIMLIB_PROGRESS_MSG_WIMBOOT_EXCLUDE:
1357                 imagex_printf(T("\nExtracting \"%"TS"\" as normal file (not WIMBoot pointer)\n"),
1358                               info->wimboot_exclude.path_in_wim);
1359                 break;
1360         case WIMLIB_PROGRESS_MSG_UNMOUNT_BEGIN:
1361                 if (info->unmount.mount_flags & WIMLIB_MOUNT_FLAG_READWRITE) {
1362                         if (info->unmount.unmount_flags & WIMLIB_UNMOUNT_FLAG_COMMIT) {
1363                                 imagex_printf(T("Committing changes to %"TS" (image %d)\n"),
1364                                               info->unmount.mounted_wim,
1365                                               info->unmount.mounted_image);
1366                         } else {
1367                                 imagex_printf(T("Discarding changes to %"TS" (image %d)\n"),
1368                                               info->unmount.mounted_wim,
1369                                               info->unmount.mounted_image);
1370                                 imagex_printf(T("\t(Use --commit to keep changes.)\n"));
1371                         }
1372                 }
1373                 break;
1374         case WIMLIB_PROGRESS_MSG_BEGIN_VERIFY_IMAGE:
1375                 imagex_printf(T("Verifying metadata for image %"PRIu32" of %"PRIu32"\n"),
1376                               info->verify_image.current_image,
1377                               info->verify_image.total_images);
1378                 break;
1379         case WIMLIB_PROGRESS_MSG_VERIFY_STREAMS:
1380                 percent_done = TO_PERCENT(info->verify_streams.completed_bytes,
1381                                           info->verify_streams.total_bytes);
1382                 unit_shift = get_unit(info->verify_streams.total_bytes, &unit_name);
1383                 imagex_printf(T("\rVerifying file data: "
1384                           "%"PRIu64" %"TS" of %"PRIu64" %"TS" (%u%%) done"),
1385                         info->verify_streams.completed_bytes >> unit_shift,
1386                         unit_name,
1387                         info->verify_streams.total_bytes >> unit_shift,
1388                         unit_name,
1389                         percent_done);
1390                 if (info->verify_streams.completed_bytes == info->verify_streams.total_bytes)
1391                         imagex_printf(T("\n"));
1392                 break;
1393         default:
1394                 break;
1395         }
1396         fflush(imagex_info_file);
1397         return WIMLIB_PROGRESS_STATUS_CONTINUE;
1398 }
1399
1400 static unsigned
1401 parse_num_threads(const tchar *optarg)
1402 {
1403         tchar *tmp;
1404         unsigned long ul_nthreads = tstrtoul(optarg, &tmp, 10);
1405         if (ul_nthreads >= UINT_MAX || *tmp || tmp == optarg) {
1406                 imagex_error(T("Number of threads must be a non-negative integer!"));
1407                 return UINT_MAX;
1408         } else {
1409                 return ul_nthreads;
1410         }
1411 }
1412
1413 static uint32_t
1414 parse_chunk_size(const tchar *optarg)
1415 {
1416         tchar *tmp;
1417         uint64_t chunk_size = tstrtoul(optarg, &tmp, 10);
1418         if (chunk_size == 0) {
1419                 imagex_error(T("Invalid chunk size specification; must be a positive integer\n"
1420                                "       with optional K, M, or G suffix"));
1421                 return UINT32_MAX;
1422         }
1423         if (*tmp) {
1424                 if (*tmp == T('k') || *tmp == T('K')) {
1425                         chunk_size <<= 10;
1426                         tmp++;
1427                 } else if (*tmp == T('m') || *tmp == T('M')) {
1428                         chunk_size <<= 20;
1429                         tmp++;
1430                 } else if (*tmp == T('g') || *tmp == T('G')) {
1431                         chunk_size <<= 30;
1432                         tmp++;
1433                 }
1434                 if (*tmp && !(*tmp == T('i') && *(tmp + 1) == T('B'))) {
1435                         imagex_error(T("Invalid chunk size specification; suffix must be K, M, or G"));
1436                         return UINT32_MAX;
1437                 }
1438         }
1439         if (chunk_size >= UINT32_MAX) {
1440                 imagex_error(T("Invalid chunk size specification; the value is too large!"));
1441                 return UINT32_MAX;
1442         }
1443         return chunk_size;
1444 }
1445
1446
1447 /*
1448  * Parse an option passed to an update command.
1449  *
1450  * @op:         One of WIMLIB_UPDATE_OP_* that indicates the command being
1451  *              parsed.
1452  *
1453  * @option:     Text string for the option (beginning with --)
1454  *
1455  * @cmd:        `struct wimlib_update_command' that is being constructed for
1456  *              this command.
1457  *
1458  * Returns true if the option was recognized; false if not.
1459  */
1460 static bool
1461 update_command_add_option(int op, const tchar *option,
1462                           struct wimlib_update_command *cmd)
1463 {
1464         bool recognized = true;
1465         switch (op) {
1466         case WIMLIB_UPDATE_OP_ADD:
1467                 if (!tstrcmp(option, T("--verbose")))
1468                         cmd->add.add_flags |= WIMLIB_ADD_FLAG_VERBOSE;
1469                 else if (!tstrcmp(option, T("--unix-data")))
1470                         cmd->add.add_flags |= WIMLIB_ADD_FLAG_UNIX_DATA;
1471                 else if (!tstrcmp(option, T("--no-acls")) || !tstrcmp(option, T("--noacls")))
1472                         cmd->add.add_flags |= WIMLIB_ADD_FLAG_NO_ACLS;
1473                 else if (!tstrcmp(option, T("--strict-acls")))
1474                         cmd->add.add_flags |= WIMLIB_ADD_FLAG_STRICT_ACLS;
1475                 else if (!tstrcmp(option, T("--dereference")))
1476                         cmd->add.add_flags |= WIMLIB_ADD_FLAG_DEREFERENCE;
1477                 else if (!tstrcmp(option, T("--no-replace")))
1478                         cmd->add.add_flags |= WIMLIB_ADD_FLAG_NO_REPLACE;
1479                 else
1480                         recognized = false;
1481                 break;
1482         case WIMLIB_UPDATE_OP_DELETE:
1483                 if (!tstrcmp(option, T("--force")))
1484                         cmd->delete_.delete_flags |= WIMLIB_DELETE_FLAG_FORCE;
1485                 else if (!tstrcmp(option, T("--recursive")))
1486                         cmd->delete_.delete_flags |= WIMLIB_DELETE_FLAG_RECURSIVE;
1487                 else
1488                         recognized = false;
1489                 break;
1490         default:
1491                 recognized = false;
1492                 break;
1493         }
1494         return recognized;
1495 }
1496
1497 /* How many nonoption arguments each `imagex update' command expects */
1498 static const unsigned update_command_num_nonoptions[] = {
1499         [WIMLIB_UPDATE_OP_ADD] = 2,
1500         [WIMLIB_UPDATE_OP_DELETE] = 1,
1501         [WIMLIB_UPDATE_OP_RENAME] = 2,
1502 };
1503
1504 static void
1505 update_command_add_nonoption(int op, const tchar *nonoption,
1506                              struct wimlib_update_command *cmd,
1507                              unsigned num_nonoptions)
1508 {
1509         switch (op) {
1510         case WIMLIB_UPDATE_OP_ADD:
1511                 if (num_nonoptions == 0)
1512                         cmd->add.fs_source_path = (tchar*)nonoption;
1513                 else
1514                         cmd->add.wim_target_path = (tchar*)nonoption;
1515                 break;
1516         case WIMLIB_UPDATE_OP_DELETE:
1517                 cmd->delete_.wim_path = (tchar*)nonoption;
1518                 break;
1519         case WIMLIB_UPDATE_OP_RENAME:
1520                 if (num_nonoptions == 0)
1521                         cmd->rename.wim_source_path = (tchar*)nonoption;
1522                 else
1523                         cmd->rename.wim_target_path = (tchar*)nonoption;
1524                 break;
1525         }
1526 }
1527
1528 /*
1529  * Parse a command passed on stdin to `imagex update'.
1530  *
1531  * @line:       Text of the command.
1532  * @len:        Length of the line, including a null terminator
1533  *              at line[len - 1].
1534  *
1535  * @command:    A `struct wimlib_update_command' to fill in from the parsed
1536  *              line.
1537  *
1538  * @line_number: Line number of the command, for diagnostics.
1539  *
1540  * Returns true on success; returns false on parse error.
1541  */
1542 static bool
1543 parse_update_command(tchar *line, size_t len,
1544                      struct wimlib_update_command *command,
1545                      size_t line_number)
1546 {
1547         int ret;
1548         tchar *command_name;
1549         int op;
1550         size_t num_nonoptions;
1551
1552         /* Get the command name ("add", "delete", "rename") */
1553         ret = parse_string(&line, &len, &command_name);
1554         if (ret != PARSE_STRING_SUCCESS)
1555                 return false;
1556
1557         if (!tstrcasecmp(command_name, T("add"))) {
1558                 op = WIMLIB_UPDATE_OP_ADD;
1559         } else if (!tstrcasecmp(command_name, T("delete"))) {
1560                 op = WIMLIB_UPDATE_OP_DELETE;
1561         } else if (!tstrcasecmp(command_name, T("rename"))) {
1562                 op = WIMLIB_UPDATE_OP_RENAME;
1563         } else {
1564                 imagex_error(T("Unknown update command \"%"TS"\" on line %zu"),
1565                              command_name, line_number);
1566                 return false;
1567         }
1568         command->op = op;
1569
1570         /* Parse additional options and non-options as needed */
1571         num_nonoptions = 0;
1572         for (;;) {
1573                 tchar *next_string;
1574
1575                 ret = parse_string(&line, &len, &next_string);
1576                 if (ret == PARSE_STRING_NONE) /* End of line */
1577                         break;
1578                 else if (ret != PARSE_STRING_SUCCESS) /* Parse failure */
1579                         return false;
1580                 if (next_string[0] == T('-') && next_string[1] == T('-')) {
1581                         /* Option */
1582                         if (!update_command_add_option(op, next_string, command))
1583                         {
1584                                 imagex_error(T("Unrecognized option \"%"TS"\" to "
1585                                                "update command \"%"TS"\" on line %zu"),
1586                                              next_string, command_name, line_number);
1587
1588                                 return false;
1589                         }
1590                 } else {
1591                         /* Nonoption */
1592                         if (num_nonoptions == update_command_num_nonoptions[op])
1593                         {
1594                                 imagex_error(T("Unexpected argument \"%"TS"\" in "
1595                                                "update command on line %zu\n"
1596                                                "       (The \"%"TS"\" command only "
1597                                                "takes %zu nonoption arguments!)\n"),
1598                                              next_string, line_number,
1599                                              command_name, num_nonoptions);
1600                                 return false;
1601                         }
1602                         update_command_add_nonoption(op, next_string,
1603                                                      command, num_nonoptions);
1604                         num_nonoptions++;
1605                 }
1606         }
1607
1608         if (num_nonoptions != update_command_num_nonoptions[op]) {
1609                 imagex_error(T("Not enough arguments to update command "
1610                                "\"%"TS"\" on line %zu"), command_name, line_number);
1611                 return false;
1612         }
1613         return true;
1614 }
1615
1616 static struct wimlib_update_command *
1617 parse_update_command_file(tchar **cmd_file_contents_p, size_t cmd_file_nchars,
1618                           size_t *num_cmds_ret)
1619 {
1620         ssize_t nlines;
1621         tchar *p;
1622         struct wimlib_update_command *cmds;
1623         size_t i, j;
1624
1625         nlines = text_file_count_lines(cmd_file_contents_p,
1626                                        &cmd_file_nchars);
1627         if (nlines < 0)
1628                 return NULL;
1629
1630         /* Always allocate at least 1 slot, just in case the implementation of
1631          * calloc() returns NULL if 0 bytes are requested. */
1632         cmds = calloc(nlines ?: 1, sizeof(struct wimlib_update_command));
1633         if (!cmds) {
1634                 imagex_error(T("out of memory"));
1635                 return NULL;
1636         }
1637         p = *cmd_file_contents_p;
1638         j = 0;
1639         for (i = 0; i < nlines; i++) {
1640                 /* XXX: Could use rawmemchr() here instead, but it may not be
1641                  * available on all platforms. */
1642                 tchar *endp = tmemchr(p, T('\n'), cmd_file_nchars);
1643                 size_t len = endp - p + 1;
1644                 *endp = T('\0');
1645                 if (!is_comment_line(p, len)) {
1646                         if (!parse_update_command(p, len, &cmds[j++], i + 1)) {
1647                                 free(cmds);
1648                                 return NULL;
1649                         }
1650                 }
1651                 p = endp + 1;
1652         }
1653         *num_cmds_ret = j;
1654         return cmds;
1655 }
1656
1657 /* Apply one image, or all images, from a WIM file to a directory, OR apply
1658  * one image from a WIM file to an NTFS volume.  */
1659 static int
1660 imagex_apply(int argc, tchar **argv, int cmd)
1661 {
1662         int c;
1663         int open_flags = 0;
1664         int image = WIMLIB_NO_IMAGE;
1665         WIMStruct *wim;
1666         struct wimlib_wim_info info;
1667         int ret;
1668         const tchar *wimfile;
1669         const tchar *target;
1670         const tchar *image_num_or_name = NULL;
1671         int extract_flags = 0;
1672
1673         STRING_SET(refglobs);
1674
1675         for_opt(c, apply_options) {
1676                 switch (c) {
1677                 case IMAGEX_CHECK_OPTION:
1678                         open_flags |= WIMLIB_OPEN_FLAG_CHECK_INTEGRITY;
1679                         break;
1680                 case IMAGEX_VERBOSE_OPTION:
1681                         /* No longer does anything.  */
1682                         break;
1683                 case IMAGEX_REF_OPTION:
1684                         ret = string_set_append(&refglobs, optarg);
1685                         if (ret)
1686                                 goto out_free_refglobs;
1687                         break;
1688                 case IMAGEX_UNIX_DATA_OPTION:
1689                         extract_flags |= WIMLIB_EXTRACT_FLAG_UNIX_DATA;
1690                         break;
1691                 case IMAGEX_NO_ACLS_OPTION:
1692                         extract_flags |= WIMLIB_EXTRACT_FLAG_NO_ACLS;
1693                         break;
1694                 case IMAGEX_STRICT_ACLS_OPTION:
1695                         extract_flags |= WIMLIB_EXTRACT_FLAG_STRICT_ACLS;
1696                         break;
1697                 case IMAGEX_NO_ATTRIBUTES_OPTION:
1698                         extract_flags |= WIMLIB_EXTRACT_FLAG_NO_ATTRIBUTES;
1699                         break;
1700                 case IMAGEX_NORPFIX_OPTION:
1701                         extract_flags |= WIMLIB_EXTRACT_FLAG_NORPFIX;
1702                         break;
1703                 case IMAGEX_RPFIX_OPTION:
1704                         extract_flags |= WIMLIB_EXTRACT_FLAG_RPFIX;
1705                         break;
1706                 case IMAGEX_INCLUDE_INVALID_NAMES_OPTION:
1707                         extract_flags |= WIMLIB_EXTRACT_FLAG_REPLACE_INVALID_FILENAMES;
1708                         extract_flags |= WIMLIB_EXTRACT_FLAG_ALL_CASE_CONFLICTS;
1709                         break;
1710                 case IMAGEX_RESUME_OPTION:
1711                         extract_flags |= WIMLIB_EXTRACT_FLAG_RESUME;
1712                         break;
1713                 case IMAGEX_WIMBOOT_OPTION:
1714                         extract_flags |= WIMLIB_EXTRACT_FLAG_WIMBOOT;
1715                         break;
1716                 case IMAGEX_COMPACT_OPTION:
1717                         ret = set_compact_mode(optarg, &extract_flags);
1718                         if (ret)
1719                                 goto out_free_refglobs;
1720                         break;
1721                 default:
1722                         goto out_usage;
1723                 }
1724         }
1725         argc -= optind;
1726         argv += optind;
1727         if (argc != 2 && argc != 3)
1728                 goto out_usage;
1729
1730         wimfile = argv[0];
1731
1732         if (!tstrcmp(wimfile, T("-"))) {
1733                 /* Attempt to apply pipable WIM from standard input.  */
1734                 if (argc == 2) {
1735                         image_num_or_name = NULL;
1736                         target = argv[1];
1737                 } else {
1738                         image_num_or_name = argv[1];
1739                         target = argv[2];
1740                 }
1741                 wim = NULL;
1742         } else {
1743                 ret = wimlib_open_wim_with_progress(wimfile, open_flags, &wim,
1744                                                     imagex_progress_func, NULL);
1745                 if (ret)
1746                         goto out_free_refglobs;
1747
1748                 wimlib_get_wim_info(wim, &info);
1749
1750                 if (argc >= 3) {
1751                         /* Image explicitly specified.  */
1752                         image_num_or_name = argv[1];
1753                         image = wimlib_resolve_image(wim, image_num_or_name);
1754                         ret = verify_image_exists(image, image_num_or_name, wimfile);
1755                         if (ret)
1756                                 goto out_wimlib_free;
1757                         target = argv[2];
1758                 } else {
1759                         /* No image specified; default to image 1, but only if the WIM
1760                          * contains exactly one image.  */
1761
1762                         if (info.image_count != 1) {
1763                                 imagex_error(T("\"%"TS"\" contains %d images; "
1764                                                "Please select one (or all)."),
1765                                              wimfile, info.image_count);
1766                                 wimlib_free(wim);
1767                                 goto out_usage;
1768                         }
1769                         image = 1;
1770                         target = argv[1];
1771                 }
1772         }
1773
1774         if (refglobs.num_strings) {
1775                 if (wim == NULL) {
1776                         imagex_error(T("Can't specify --ref when applying from stdin!"));
1777                         ret = -1;
1778                         goto out_wimlib_free;
1779                 }
1780                 ret = wim_reference_globs(wim, &refglobs, open_flags);
1781                 if (ret)
1782                         goto out_wimlib_free;
1783         }
1784
1785 #ifndef __WIN32__
1786         {
1787                 /* Interpret a regular file or block device target as an NTFS
1788                  * volume.  */
1789                 struct stat stbuf;
1790
1791                 if (tstat(target, &stbuf)) {
1792                         if (errno != ENOENT) {
1793                                 imagex_error_with_errno(T("Failed to stat \"%"TS"\""),
1794                                                         target);
1795                                 ret = -1;
1796                                 goto out_wimlib_free;
1797                         }
1798                 } else {
1799                         if (S_ISBLK(stbuf.st_mode) || S_ISREG(stbuf.st_mode))
1800                                 extract_flags |= WIMLIB_EXTRACT_FLAG_NTFS;
1801                 }
1802         }
1803 #endif
1804
1805         if (wim) {
1806                 ret = wimlib_extract_image(wim, image, target, extract_flags);
1807         } else {
1808                 set_fd_to_binary_mode(STDIN_FILENO);
1809                 ret = wimlib_extract_image_from_pipe_with_progress(
1810                                            STDIN_FILENO,
1811                                            image_num_or_name,
1812                                            target,
1813                                            extract_flags,
1814                                            imagex_progress_func,
1815                                            NULL);
1816         }
1817         if (ret == 0) {
1818                 imagex_printf(T("Done applying WIM image.\n"));
1819         } else if (ret == WIMLIB_ERR_RESOURCE_NOT_FOUND) {
1820                 if (wim) {
1821                         do_resource_not_found_warning(wimfile, &info, &refglobs);
1822                 } else {
1823                         imagex_error(T(        "If you are applying an image "
1824                                                "from a split pipable WIM,\n"
1825                                        "       make sure you have "
1826                                        "concatenated together all parts."));
1827                 }
1828         } else if (ret == WIMLIB_ERR_METADATA_NOT_FOUND && wim) {
1829                 do_metadata_not_found_warning(wimfile, &info);
1830         }
1831 out_wimlib_free:
1832         wimlib_free(wim);
1833 out_free_refglobs:
1834         string_set_destroy(&refglobs);
1835         return ret;
1836
1837 out_usage:
1838         usage(CMD_APPLY, stderr);
1839         ret = -1;
1840         goto out_free_refglobs;
1841 }
1842
1843 /* Create a WIM image from a directory tree, NTFS volume, or multiple files or
1844  * directory trees.  'wimlib-imagex capture': create a new WIM file containing
1845  * the desired image.  'wimlib-imagex append': add a new image to an existing
1846  * WIM file. */
1847 static int
1848 imagex_capture_or_append(int argc, tchar **argv, int cmd)
1849 {
1850         int c;
1851         int open_flags = 0;
1852         int add_flags = WIMLIB_ADD_FLAG_EXCLUDE_VERBOSE |
1853                         WIMLIB_ADD_FLAG_WINCONFIG |
1854                         WIMLIB_ADD_FLAG_VERBOSE;
1855         int write_flags = 0;
1856         int compression_type = WIMLIB_COMPRESSION_TYPE_INVALID;
1857         uint32_t chunk_size = UINT32_MAX;
1858         uint32_t solid_chunk_size = UINT32_MAX;
1859         int solid_ctype = WIMLIB_COMPRESSION_TYPE_INVALID;
1860         const tchar *wimfile;
1861         int wim_fd;
1862         const tchar *name;
1863         STRING_SET(image_properties);
1864
1865         WIMStruct *wim;
1866         STRING_SET(base_wimfiles);
1867         WIMStruct **base_wims;
1868
1869         WIMStruct *template_wim;
1870         const tchar *template_wimfile = NULL;
1871         const tchar *template_image_name_or_num = NULL;
1872         int template_image = WIMLIB_NO_IMAGE;
1873
1874         int ret;
1875         unsigned num_threads = 0;
1876
1877         tchar *source;
1878         tchar *source_copy;
1879
1880         tchar *config_file = NULL;
1881
1882         bool source_list = false;
1883         size_t source_list_nchars = 0;
1884         tchar *source_list_contents;
1885         bool capture_sources_malloced;
1886         struct wimlib_capture_source *capture_sources;
1887         size_t num_sources;
1888         bool name_defaulted;
1889
1890         for_opt(c, capture_or_append_options) {
1891                 switch (c) {
1892                 case IMAGEX_BOOT_OPTION:
1893                         add_flags |= WIMLIB_ADD_FLAG_BOOT;
1894                         break;
1895                 case IMAGEX_CHECK_OPTION:
1896                         open_flags |= WIMLIB_OPEN_FLAG_CHECK_INTEGRITY;
1897                         write_flags |= WIMLIB_WRITE_FLAG_CHECK_INTEGRITY;
1898                         break;
1899                 case IMAGEX_NOCHECK_OPTION:
1900                         write_flags |= WIMLIB_WRITE_FLAG_NO_CHECK_INTEGRITY;
1901                         break;
1902                 case IMAGEX_CONFIG_OPTION:
1903                         config_file = optarg;
1904                         add_flags &= ~WIMLIB_ADD_FLAG_WINCONFIG;
1905                         break;
1906                 case IMAGEX_COMPRESS_OPTION:
1907                         compression_type = get_compression_type(optarg);
1908                         if (compression_type == WIMLIB_COMPRESSION_TYPE_INVALID)
1909                                 goto out_err;
1910                         break;
1911                 case IMAGEX_COMPRESS_SLOW_OPTION:
1912                         set_compress_slow();
1913                         break;
1914                 case IMAGEX_CHUNK_SIZE_OPTION:
1915                         chunk_size = parse_chunk_size(optarg);
1916                         if (chunk_size == UINT32_MAX)
1917                                 goto out_err;
1918                         break;
1919                 case IMAGEX_SOLID_CHUNK_SIZE_OPTION:
1920                         solid_chunk_size = parse_chunk_size(optarg);
1921                         if (solid_chunk_size == UINT32_MAX)
1922                                 goto out_err;
1923                         break;
1924                 case IMAGEX_SOLID_COMPRESS_OPTION:
1925                         solid_ctype = get_compression_type(optarg);
1926                         if (solid_ctype == WIMLIB_COMPRESSION_TYPE_INVALID)
1927                                 goto out_err;
1928                         break;
1929                 case IMAGEX_SOLID_OPTION:
1930                         write_flags |= WIMLIB_WRITE_FLAG_SOLID;
1931                         break;
1932                 case IMAGEX_NO_SOLID_SORT_OPTION:
1933                         write_flags |= WIMLIB_WRITE_FLAG_NO_SOLID_SORT;
1934                         break;
1935                 case IMAGEX_FLAGS_OPTION: {
1936                         tchar *p = alloca((6 + tstrlen(optarg) + 1) * sizeof(tchar));
1937                         tsprintf(p, T("FLAGS=%"TS), optarg);
1938                         ret = string_set_append(&image_properties, p);
1939                         if (ret)
1940                                 goto out;
1941                         break;
1942                 }
1943                 case IMAGEX_IMAGE_PROPERTY_OPTION:
1944                         ret = append_image_property_argument(&image_properties);
1945                         if (ret)
1946                                 goto out;
1947                         break;
1948                 case IMAGEX_DEREFERENCE_OPTION:
1949                         add_flags |= WIMLIB_ADD_FLAG_DEREFERENCE;
1950                         break;
1951                 case IMAGEX_VERBOSE_OPTION:
1952                         /* No longer does anything.  */
1953                         break;
1954                 case IMAGEX_THREADS_OPTION:
1955                         num_threads = parse_num_threads(optarg);
1956                         if (num_threads == UINT_MAX)
1957                                 goto out_err;
1958                         break;
1959                 case IMAGEX_REBUILD_OPTION:
1960                         write_flags |= WIMLIB_WRITE_FLAG_REBUILD;
1961                         break;
1962                 case IMAGEX_UNIX_DATA_OPTION:
1963                         add_flags |= WIMLIB_ADD_FLAG_UNIX_DATA;
1964                         break;
1965                 case IMAGEX_SOURCE_LIST_OPTION:
1966                         source_list = true;
1967                         break;
1968                 case IMAGEX_NO_ACLS_OPTION:
1969                         add_flags |= WIMLIB_ADD_FLAG_NO_ACLS;
1970                         break;
1971                 case IMAGEX_STRICT_ACLS_OPTION:
1972                         add_flags |= WIMLIB_ADD_FLAG_STRICT_ACLS;
1973                         break;
1974                 case IMAGEX_RPFIX_OPTION:
1975                         add_flags |= WIMLIB_ADD_FLAG_RPFIX;
1976                         break;
1977                 case IMAGEX_NORPFIX_OPTION:
1978                         add_flags |= WIMLIB_ADD_FLAG_NORPFIX;
1979                         break;
1980                 case IMAGEX_PIPABLE_OPTION:
1981                         write_flags |= WIMLIB_WRITE_FLAG_PIPABLE;
1982                         break;
1983                 case IMAGEX_NOT_PIPABLE_OPTION:
1984                         write_flags |= WIMLIB_WRITE_FLAG_NOT_PIPABLE;
1985                         break;
1986                 case IMAGEX_UPDATE_OF_OPTION:
1987                         if (template_image_name_or_num) {
1988                                 imagex_error(T("'--update-of' can only be "
1989                                                "specified one time!"));
1990                                 goto out_err;
1991                         } else {
1992                                 tchar *colon;
1993                                 colon = tstrrchr(optarg, T(':'));
1994
1995                                 if (colon) {
1996                                         template_wimfile = optarg;
1997                                         *colon = T('\0');
1998                                         template_image_name_or_num = colon + 1;
1999                                 } else {
2000                                         template_wimfile = NULL;
2001                                         template_image_name_or_num = optarg;
2002                                 }
2003                         }
2004                         break;
2005                 case IMAGEX_DELTA_FROM_OPTION:
2006                         if (cmd != CMD_CAPTURE) {
2007                                 imagex_error(T("'--delta-from' is only "
2008                                                "valid for capture!"));
2009                                 goto out_usage;
2010                         }
2011                         ret = string_set_append(&base_wimfiles, optarg);
2012                         if (ret)
2013                                 goto out;
2014                         write_flags |= WIMLIB_WRITE_FLAG_SKIP_EXTERNAL_WIMS;
2015                         break;
2016                 case IMAGEX_WIMBOOT_OPTION:
2017                         add_flags |= WIMLIB_ADD_FLAG_WIMBOOT;
2018                         break;
2019                 case IMAGEX_UNSAFE_COMPACT_OPTION:
2020                         if (cmd != CMD_APPEND) {
2021                                 imagex_error(T("'--unsafe-compact' is only "
2022                                                "valid for append!"));
2023                                 goto out_err;
2024                         }
2025                         write_flags |= WIMLIB_WRITE_FLAG_UNSAFE_COMPACT;
2026                         break;
2027                 case IMAGEX_SNAPSHOT_OPTION:
2028                         add_flags |= WIMLIB_ADD_FLAG_SNAPSHOT;
2029                         break;
2030                 default:
2031                         goto out_usage;
2032                 }
2033         }
2034         argc -= optind;
2035         argv += optind;
2036
2037         if (argc < 2 || argc > 4)
2038                 goto out_usage;
2039
2040         source = argv[0];
2041         wimfile = argv[1];
2042
2043         /* Set default compression type and parameters.  */
2044
2045
2046         if (compression_type == WIMLIB_COMPRESSION_TYPE_INVALID) {
2047                 /* No compression type specified.  Use the default.  */
2048
2049                 if (add_flags & WIMLIB_ADD_FLAG_WIMBOOT) {
2050                         /* With --wimboot, default to XPRESS compression.  */
2051                         compression_type = WIMLIB_COMPRESSION_TYPE_XPRESS;
2052                 } else if (write_flags & WIMLIB_WRITE_FLAG_SOLID) {
2053                         /* With --solid, default to LZMS compression.  (However,
2054                          * this will not affect solid resources!)  */
2055                         compression_type = WIMLIB_COMPRESSION_TYPE_LZMS;
2056                 } else {
2057                         /* Otherwise, default to LZX compression.  */
2058                         compression_type = WIMLIB_COMPRESSION_TYPE_LZX;
2059                 }
2060         }
2061
2062         if (!tstrcmp(wimfile, T("-"))) {
2063                 /* Writing captured WIM to standard output.  */
2064         #if 0
2065                 if (!(write_flags & WIMLIB_WRITE_FLAG_PIPABLE)) {
2066                         imagex_error("Can't write a non-pipable WIM to "
2067                                      "standard output!  Specify --pipable\n"
2068                                      "       if you want to create a pipable WIM "
2069                                      "(but read the docs first).");
2070                         goto out_err;
2071                 }
2072         #else
2073                 write_flags |= WIMLIB_WRITE_FLAG_PIPABLE;
2074         #endif
2075                 if (cmd == CMD_APPEND) {
2076                         imagex_error(T("Using standard output for append does "
2077                                        "not make sense."));
2078                         goto out_err;
2079                 }
2080                 wim_fd = STDOUT_FILENO;
2081                 wimfile = NULL;
2082                 imagex_info_file = stderr;
2083                 set_fd_to_binary_mode(wim_fd);
2084         }
2085
2086         /* If template image was specified using --update-of=IMAGE rather
2087          * than --update-of=WIMFILE:IMAGE, set the default WIMFILE.  */
2088         if (template_image_name_or_num && !template_wimfile) {
2089                 if (base_wimfiles.num_strings == 1) {
2090                         /* Capturing delta WIM based on single WIM:  default to
2091                          * base WIM.  */
2092                         template_wimfile = base_wimfiles.strings[0];
2093                 } else if (cmd == CMD_APPEND) {
2094                         /* Appending to WIM:  default to WIM being appended to.
2095                          */
2096                         template_wimfile = wimfile;
2097                 } else {
2098                         /* Capturing a normal (non-delta) WIM, so the WIM file
2099                          * *must* be explicitly specified.  */
2100                         if (base_wimfiles.num_strings > 1) {
2101                                 imagex_error(T("For capture of delta WIM "
2102                                                "based on multiple existing "
2103                                                "WIMs,\n"
2104                                                "      '--update-of' must "
2105                                                "specify WIMFILE:IMAGE!"));
2106                         } else {
2107                                 imagex_error(T("For capture of non-delta WIM, "
2108                                                "'--update-of' must specify "
2109                                                "WIMFILE:IMAGE!"));
2110                         }
2111                         goto out_usage;
2112                 }
2113         }
2114
2115         if (argc >= 3) {
2116                 name = argv[2];
2117                 name_defaulted = false;
2118         } else {
2119                 /* Set default name to SOURCE argument, omitting any directory
2120                  * prefixes and trailing slashes.  This requires making a copy
2121                  * of @source.  Leave some free characters at the end in case we
2122                  * append a number to keep the name unique. */
2123                 size_t source_name_len;
2124
2125                 source_name_len = tstrlen(source);
2126                 source_copy = alloca((source_name_len + 1 + 25) * sizeof(tchar));
2127                 name = tbasename(tstrcpy(source_copy, source));
2128                 name_defaulted = true;
2129         }
2130
2131         /* Image description (if given). */
2132         if (argc >= 4) {
2133                 tchar *p = alloca((12 + tstrlen(argv[3]) + 1) * sizeof(tchar));
2134                 tsprintf(p, T("DESCRIPTION=%"TS), argv[3]);
2135                 ret = string_set_append(&image_properties, p);
2136                 if (ret)
2137                         goto out;
2138         }
2139
2140         if (source_list) {
2141                 /* Set up capture sources in source list mode */
2142                 if (source[0] == T('-') && source[1] == T('\0')) {
2143                         source_list_contents = stdin_get_text_contents(&source_list_nchars);
2144                 } else {
2145                         source_list_contents = file_get_text_contents(source,
2146                                                                       &source_list_nchars);
2147                 }
2148                 if (!source_list_contents)
2149                         goto out_err;
2150
2151                 capture_sources = parse_source_list(&source_list_contents,
2152                                                     source_list_nchars,
2153                                                     &num_sources);
2154                 if (!capture_sources) {
2155                         ret = -1;
2156                         goto out_free_source_list_contents;
2157                 }
2158                 capture_sources_malloced = true;
2159         } else {
2160                 /* Set up capture source in non-source-list mode.  */
2161                 capture_sources = alloca(sizeof(struct wimlib_capture_source));
2162                 capture_sources[0].fs_source_path = source;
2163                 capture_sources[0].wim_target_path = WIMLIB_WIM_ROOT_PATH;
2164                 capture_sources[0].reserved = 0;
2165                 num_sources = 1;
2166                 capture_sources_malloced = false;
2167                 source_list_contents = NULL;
2168         }
2169
2170         /* Open the existing WIM, or create a new one.  */
2171         if (cmd == CMD_APPEND) {
2172                 ret = wimlib_open_wim_with_progress(wimfile,
2173                                                     open_flags | WIMLIB_OPEN_FLAG_WRITE_ACCESS,
2174                                                     &wim,
2175                                                     imagex_progress_func,
2176                                                     NULL);
2177                 if (ret)
2178                         goto out_free_capture_sources;
2179         } else {
2180                 ret = wimlib_create_new_wim(compression_type, &wim);
2181                 if (ret)
2182                         goto out_free_capture_sources;
2183                 wimlib_register_progress_function(wim, imagex_progress_func, NULL);
2184         }
2185
2186         /* Set chunk size if non-default.  */
2187         if (chunk_size != UINT32_MAX) {
2188                 ret = wimlib_set_output_chunk_size(wim, chunk_size);
2189                 if (ret)
2190                         goto out_free_wim;
2191         } else if ((add_flags & WIMLIB_ADD_FLAG_WIMBOOT)) {
2192
2193                 int ctype = compression_type;
2194
2195                 if (cmd == CMD_APPEND) {
2196                         struct wimlib_wim_info info;
2197                         wimlib_get_wim_info(wim, &info);
2198                         ctype = info.compression_type;
2199                 }
2200
2201                 if (ctype == WIMLIB_COMPRESSION_TYPE_XPRESS) {
2202                         ret = wimlib_set_output_chunk_size(wim, 4096);
2203                         if (ret)
2204                                 goto out_free_wim;
2205                 }
2206         }
2207         if (solid_ctype != WIMLIB_COMPRESSION_TYPE_INVALID) {
2208                 ret = wimlib_set_output_pack_compression_type(wim, solid_ctype);
2209                 if (ret)
2210                         goto out_free_wim;
2211         }
2212         if (solid_chunk_size != UINT32_MAX) {
2213                 ret = wimlib_set_output_pack_chunk_size(wim, solid_chunk_size);
2214                 if (ret)
2215                         goto out_free_wim;
2216         }
2217
2218 #ifndef __WIN32__
2219         /* Detect if source is regular file or block device and set NTFS volume
2220          * capture mode.  */
2221         if (!source_list) {
2222                 struct stat stbuf;
2223
2224                 if (tstat(source, &stbuf) == 0) {
2225                         if (S_ISBLK(stbuf.st_mode) || S_ISREG(stbuf.st_mode)) {
2226                                 imagex_printf(T("Capturing WIM image from NTFS "
2227                                           "filesystem on \"%"TS"\"\n"), source);
2228                                 add_flags |= WIMLIB_ADD_FLAG_NTFS;
2229                         }
2230                 } else {
2231                         if (errno != ENOENT) {
2232                                 imagex_error_with_errno(T("Failed to stat "
2233                                                           "\"%"TS"\""), source);
2234                                 ret = -1;
2235                                 goto out_free_wim;
2236                         }
2237                 }
2238         }
2239 #endif
2240
2241         /* If the user did not specify an image name, and the basename of the
2242          * source already exists as an image name in the WIM file, append a
2243          * suffix to make it unique. */
2244         if (cmd == CMD_APPEND && name_defaulted) {
2245                 unsigned long conflict_idx;
2246                 tchar *name_end = tstrchr(name, T('\0'));
2247                 for (conflict_idx = 1;
2248                      wimlib_image_name_in_use(wim, name);
2249                      conflict_idx++)
2250                 {
2251                         tsprintf(name_end, T(" (%lu)"), conflict_idx);
2252                 }
2253         }
2254
2255         /* If capturing a delta WIM, reference resources from the base WIMs
2256          * before adding the new image.  */
2257         if (base_wimfiles.num_strings) {
2258                 base_wims = calloc(base_wimfiles.num_strings,
2259                                    sizeof(base_wims[0]));
2260                 if (base_wims == NULL) {
2261                         imagex_error(T("Out of memory!"));
2262                         ret = -1;
2263                         goto out_free_wim;
2264                 }
2265
2266                 for (size_t i = 0; i < base_wimfiles.num_strings; i++) {
2267                         ret = wimlib_open_wim_with_progress(
2268                                     base_wimfiles.strings[i], open_flags,
2269                                     &base_wims[i], imagex_progress_func, NULL);
2270                         if (ret)
2271                                 goto out_free_base_wims;
2272
2273                 }
2274
2275                 ret = wimlib_reference_resources(wim, base_wims,
2276                                                  base_wimfiles.num_strings, 0);
2277                 if (ret)
2278                         goto out_free_base_wims;
2279
2280                 if (base_wimfiles.num_strings == 1) {
2281                         imagex_printf(T("Capturing delta WIM based on \"%"TS"\"\n"),
2282                                       base_wimfiles.strings[0]);
2283                 } else {
2284                         imagex_printf(T("Capturing delta WIM based on %u WIMs\n"),
2285                                       base_wimfiles.num_strings);
2286                 }
2287
2288         } else {
2289                 base_wims = NULL;
2290         }
2291
2292         /* If capturing or appending as an update of an existing (template) image,
2293          * open the WIM if needed and parse the image index.  */
2294         if (template_image_name_or_num) {
2295
2296
2297                 if (base_wimfiles.num_strings == 1 &&
2298                     template_wimfile == base_wimfiles.strings[0]) {
2299                         template_wim = base_wims[0];
2300                 } else if (template_wimfile == wimfile) {
2301                         template_wim = wim;
2302                 } else {
2303                         ret = wimlib_open_wim_with_progress(template_wimfile,
2304                                                             open_flags,
2305                                                             &template_wim,
2306                                                             imagex_progress_func,
2307                                                             NULL);
2308                         if (ret)
2309                                 goto out_free_base_wims;
2310                 }
2311
2312                 template_image = wimlib_resolve_image(template_wim,
2313                                                       template_image_name_or_num);
2314
2315                 if (template_image_name_or_num[0] == T('-')) {
2316                         tchar *tmp;
2317                         unsigned long n;
2318                         struct wimlib_wim_info info;
2319
2320                         wimlib_get_wim_info(template_wim, &info);
2321                         n = tstrtoul(template_image_name_or_num + 1, &tmp, 10);
2322                         if (n >= 1 && n <= info.image_count &&
2323                             *tmp == T('\0') &&
2324                             tmp != template_image_name_or_num + 1)
2325                         {
2326                                 template_image = info.image_count - (n - 1);
2327                         }
2328                 }
2329                 ret = verify_image_exists_and_is_single(template_image,
2330                                                         template_image_name_or_num,
2331                                                         template_wimfile);
2332                 if (ret)
2333                         goto out_free_template_wim;
2334         } else {
2335                 template_wim = NULL;
2336         }
2337
2338         ret = wimlib_add_image_multisource(wim,
2339                                            capture_sources,
2340                                            num_sources,
2341                                            name,
2342                                            config_file,
2343                                            add_flags);
2344         if (ret)
2345                 goto out_free_template_wim;
2346
2347         if (image_properties.num_strings || template_image_name_or_num) {
2348                 /* User asked to set additional image properties, or an image on
2349                  * which the added one is to be based has been specified with
2350                  * --update-of.  */
2351                 struct wimlib_wim_info info;
2352
2353                 wimlib_get_wim_info(wim, &info);
2354
2355                 ret = apply_image_properties(&image_properties, wim,
2356                                              info.image_count, NULL);
2357                 if (ret)
2358                         goto out_free_template_wim;
2359
2360                 /* Reference template image if the user provided one.  */
2361                 if (template_image_name_or_num) {
2362                         imagex_printf(T("Using image %d "
2363                                         "from \"%"TS"\" as template\n"),
2364                                         template_image, template_wimfile);
2365                         ret = wimlib_reference_template_image(wim,
2366                                                               info.image_count,
2367                                                               template_wim,
2368                                                               template_image,
2369                                                               0);
2370                         if (ret)
2371                                 goto out_free_template_wim;
2372                 }
2373         }
2374
2375         /* Write the new WIM or overwrite the existing WIM with the new image
2376          * appended.  */
2377         if (cmd == CMD_APPEND) {
2378                 ret = wimlib_overwrite(wim, write_flags, num_threads);
2379         } else if (wimfile) {
2380                 ret = wimlib_write(wim, wimfile, WIMLIB_ALL_IMAGES,
2381                                    write_flags, num_threads);
2382         } else {
2383                 ret = wimlib_write_to_fd(wim, wim_fd, WIMLIB_ALL_IMAGES,
2384                                          write_flags, num_threads);
2385         }
2386 out_free_template_wim:
2387         /* template_wim may alias base_wims[0] or wim.  */
2388         if ((base_wimfiles.num_strings != 1 || template_wim != base_wims[0]) &&
2389             template_wim != wim)
2390                 wimlib_free(template_wim);
2391 out_free_base_wims:
2392         for (size_t i = 0; i < base_wimfiles.num_strings; i++)
2393                 wimlib_free(base_wims[i]);
2394         free(base_wims);
2395 out_free_wim:
2396         wimlib_free(wim);
2397 out_free_capture_sources:
2398         if (capture_sources_malloced)
2399                 free(capture_sources);
2400 out_free_source_list_contents:
2401         free(source_list_contents);
2402 out:
2403         string_set_destroy(&image_properties);
2404         string_set_destroy(&base_wimfiles);
2405         return ret;
2406
2407 out_usage:
2408         usage(cmd, stderr);
2409 out_err:
2410         ret = -1;
2411         goto out;
2412 }
2413
2414 /* Remove image(s) from a WIM. */
2415 static int
2416 imagex_delete(int argc, tchar **argv, int cmd)
2417 {
2418         int c;
2419         int open_flags = WIMLIB_OPEN_FLAG_WRITE_ACCESS;
2420         int write_flags = 0;
2421         const tchar *wimfile;
2422         const tchar *image_num_or_name;
2423         WIMStruct *wim;
2424         int image;
2425         int ret;
2426
2427         for_opt(c, delete_options) {
2428                 switch (c) {
2429                 case IMAGEX_CHECK_OPTION:
2430                         open_flags |= WIMLIB_OPEN_FLAG_CHECK_INTEGRITY;
2431                         write_flags |= WIMLIB_WRITE_FLAG_CHECK_INTEGRITY;
2432                         break;
2433                 case IMAGEX_SOFT_OPTION:
2434                         write_flags |= WIMLIB_WRITE_FLAG_SOFT_DELETE;
2435                         break;
2436                 case IMAGEX_UNSAFE_COMPACT_OPTION:
2437                         write_flags |= WIMLIB_WRITE_FLAG_UNSAFE_COMPACT;
2438                         break;
2439                 default:
2440                         goto out_usage;
2441                 }
2442         }
2443         argc -= optind;
2444         argv += optind;
2445
2446         if (argc != 2) {
2447                 if (argc < 1)
2448                         imagex_error(T("Must specify a WIM file"));
2449                 if (argc < 2)
2450                         imagex_error(T("Must specify an image"));
2451                 goto out_usage;
2452         }
2453         wimfile = argv[0];
2454         image_num_or_name = argv[1];
2455
2456         ret = wimlib_open_wim_with_progress(wimfile, open_flags, &wim,
2457                                             imagex_progress_func, NULL);
2458         if (ret)
2459                 goto out;
2460
2461         image = wimlib_resolve_image(wim, image_num_or_name);
2462
2463         ret = verify_image_exists(image, image_num_or_name, wimfile);
2464         if (ret)
2465                 goto out_wimlib_free;
2466
2467         ret = wimlib_delete_image(wim, image);
2468         if (ret) {
2469                 imagex_error(T("Failed to delete image from \"%"TS"\""),
2470                              wimfile);
2471                 goto out_wimlib_free;
2472         }
2473
2474         ret = wimlib_overwrite(wim, write_flags, 0);
2475         if (ret) {
2476                 imagex_error(T("Failed to write the file \"%"TS"\" with image "
2477                                "deleted"), wimfile);
2478         }
2479 out_wimlib_free:
2480         wimlib_free(wim);
2481 out:
2482         return ret;
2483
2484 out_usage:
2485         usage(CMD_DELETE, stderr);
2486         ret = -1;
2487         goto out;
2488 }
2489
2490 struct print_dentry_options {
2491         bool detailed;
2492 };
2493
2494 static void
2495 print_dentry_full_path(const struct wimlib_dir_entry *dentry)
2496 {
2497         tprintf(T("%"TS"\n"), dentry->full_path);
2498 }
2499
2500 static const struct {
2501         uint32_t flag;
2502         const tchar *name;
2503 } file_attr_flags[] = {
2504         {WIMLIB_FILE_ATTRIBUTE_READONLY,            T("READONLY")},
2505         {WIMLIB_FILE_ATTRIBUTE_HIDDEN,              T("HIDDEN")},
2506         {WIMLIB_FILE_ATTRIBUTE_SYSTEM,              T("SYSTEM")},
2507         {WIMLIB_FILE_ATTRIBUTE_DIRECTORY,           T("DIRECTORY")},
2508         {WIMLIB_FILE_ATTRIBUTE_ARCHIVE,             T("ARCHIVE")},
2509         {WIMLIB_FILE_ATTRIBUTE_DEVICE,              T("DEVICE")},
2510         {WIMLIB_FILE_ATTRIBUTE_NORMAL,              T("NORMAL")},
2511         {WIMLIB_FILE_ATTRIBUTE_TEMPORARY,           T("TEMPORARY")},
2512         {WIMLIB_FILE_ATTRIBUTE_SPARSE_FILE,         T("SPARSE_FILE")},
2513         {WIMLIB_FILE_ATTRIBUTE_REPARSE_POINT,       T("REPARSE_POINT")},
2514         {WIMLIB_FILE_ATTRIBUTE_COMPRESSED,          T("COMPRESSED")},
2515         {WIMLIB_FILE_ATTRIBUTE_OFFLINE,             T("OFFLINE")},
2516         {WIMLIB_FILE_ATTRIBUTE_NOT_CONTENT_INDEXED, T("NOT_CONTENT_INDEXED")},
2517         {WIMLIB_FILE_ATTRIBUTE_ENCRYPTED,           T("ENCRYPTED")},
2518         {WIMLIB_FILE_ATTRIBUTE_VIRTUAL,             T("VIRTUAL")},
2519 };
2520
2521 #define TIMESTR_MAX 100
2522
2523 static void
2524 timespec_to_string(const struct timespec *spec, tchar *buf)
2525 {
2526         time_t t = spec->tv_sec;
2527         struct tm tm;
2528         gmtime_r(&t, &tm);
2529         tstrftime(buf, TIMESTR_MAX, T("%a %b %d %H:%M:%S %Y UTC"), &tm);
2530         buf[TIMESTR_MAX - 1] = '\0';
2531 }
2532
2533 static void
2534 print_time(const tchar *type, const struct timespec *spec)
2535 {
2536         tchar timestr[TIMESTR_MAX];
2537
2538         timespec_to_string(spec, timestr);
2539
2540         tprintf(T("%-20"TS"= %"TS"\n"), type, timestr);
2541 }
2542
2543 static void print_byte_field(const uint8_t field[], size_t len)
2544 {
2545         while (len--)
2546                 tprintf(T("%02hhx"), *field++);
2547 }
2548
2549 static void
2550 print_wim_information(const tchar *wimfile, const struct wimlib_wim_info *info)
2551 {
2552         tchar attr_string[256];
2553         tchar *p;
2554
2555         tputs(T("WIM Information:"));
2556         tputs(T("----------------"));
2557         tprintf(T("Path:           %"TS"\n"), wimfile);
2558         tprintf(T("GUID:           0x"));
2559         print_byte_field(info->guid, sizeof(info->guid));
2560         tputchar(T('\n'));
2561         tprintf(T("Version:        %u\n"), info->wim_version);
2562         tprintf(T("Image Count:    %d\n"), info->image_count);
2563         tprintf(T("Compression:    %"TS"\n"),
2564                 wimlib_get_compression_type_string(info->compression_type));
2565         tprintf(T("Chunk Size:     %"PRIu32" bytes\n"),
2566                 info->chunk_size);
2567         tprintf(T("Part Number:    %d/%d\n"), info->part_number, info->total_parts);
2568         tprintf(T("Boot Index:     %d\n"), info->boot_index);
2569         tprintf(T("Size:           %"PRIu64" bytes\n"), info->total_bytes);
2570
2571         attr_string[0] = T('\0');
2572
2573         if (info->pipable)
2574                 tstrcat(attr_string, T("Pipable, "));
2575
2576         if (info->has_integrity_table)
2577                 tstrcat(attr_string, T("Integrity info, "));
2578
2579         if (info->has_rpfix)
2580                 tstrcat(attr_string, T("Relative path junction, "));
2581
2582         if (info->resource_only)
2583                 tstrcat(attr_string, T("Resource only, "));
2584
2585         if (info->metadata_only)
2586                 tstrcat(attr_string, T("Metadata only, "));
2587
2588         if (info->is_marked_readonly)
2589                 tstrcat(attr_string, T("Readonly, "));
2590
2591         p = tstrchr(attr_string, T('\0'));
2592         if (p >= &attr_string[2] && p[-1] == T(' ') && p[-2] == T(','))
2593                 p[-2] = T('\0');
2594
2595         tprintf(T("Attributes:     %"TS"\n\n"), attr_string);
2596 }
2597
2598 static int
2599 print_resource(const struct wimlib_resource_entry *resource,
2600                void *_ignore)
2601 {
2602         tprintf(T("Hash              = 0x"));
2603         print_byte_field(resource->sha1_hash, sizeof(resource->sha1_hash));
2604         tputchar(T('\n'));
2605
2606         if (!resource->is_missing) {
2607                 tprintf(T("Uncompressed size = %"PRIu64" bytes\n"),
2608                         resource->uncompressed_size);
2609                 if (resource->packed) {
2610                         tprintf(T("Solid resource    = %"PRIu64" => %"PRIu64" "
2611                                   "bytes @ offset %"PRIu64"\n"),
2612                                 resource->raw_resource_uncompressed_size,
2613                                 resource->raw_resource_compressed_size,
2614                                 resource->raw_resource_offset_in_wim);
2615
2616                         tprintf(T("Solid offset      = %"PRIu64" bytes\n"),
2617                                 resource->offset);
2618                 } else {
2619                         tprintf(T("Compressed size   = %"PRIu64" bytes\n"),
2620                                 resource->compressed_size);
2621
2622                         tprintf(T("Offset in WIM     = %"PRIu64" bytes\n"),
2623                                 resource->offset);
2624                 }
2625
2626                 tprintf(T("Part Number       = %u\n"), resource->part_number);
2627                 tprintf(T("Reference Count   = %u\n"), resource->reference_count);
2628
2629                 tprintf(T("Flags             = "));
2630                 if (resource->is_compressed)
2631                         tprintf(T("WIM_RESHDR_FLAG_COMPRESSED  "));
2632                 if (resource->is_metadata)
2633                         tprintf(T("WIM_RESHDR_FLAG_METADATA  "));
2634                 if (resource->is_free)
2635                         tprintf(T("WIM_RESHDR_FLAG_FREE  "));
2636                 if (resource->is_spanned)
2637                         tprintf(T("WIM_RESHDR_FLAG_SPANNED  "));
2638                 if (resource->packed)
2639                         tprintf(T("WIM_RESHDR_FLAG_SOLID  "));
2640                 tputchar(T('\n'));
2641         }
2642         tputchar(T('\n'));
2643         return 0;
2644 }
2645
2646 static void
2647 print_blobs(WIMStruct *wim)
2648 {
2649         wimlib_iterate_lookup_table(wim, 0, print_resource, NULL);
2650 }
2651
2652 static void
2653 default_print_security_descriptor(const uint8_t *sd, size_t size)
2654 {
2655         tprintf(T("Security Descriptor = "));
2656         print_byte_field(sd, size);
2657         tputchar(T('\n'));
2658 }
2659
2660 static void
2661 print_dentry_detailed(const struct wimlib_dir_entry *dentry)
2662 {
2663
2664         tprintf(T(
2665 "----------------------------------------------------------------------------\n"));
2666         tprintf(T("Full Path           = \"%"TS"\"\n"), dentry->full_path);
2667         if (dentry->dos_name)
2668                 tprintf(T("Short Name          = \"%"TS"\"\n"), dentry->dos_name);
2669         tprintf(T("Attributes          = 0x%08x\n"), dentry->attributes);
2670         for (size_t i = 0; i < ARRAY_LEN(file_attr_flags); i++)
2671                 if (file_attr_flags[i].flag & dentry->attributes)
2672                         tprintf(T("    FILE_ATTRIBUTE_%"TS" is set\n"),
2673                                 file_attr_flags[i].name);
2674
2675         if (dentry->security_descriptor) {
2676                 print_security_descriptor(dentry->security_descriptor,
2677                                           dentry->security_descriptor_size);
2678         }
2679
2680         print_time(T("Creation Time"), &dentry->creation_time);
2681         print_time(T("Last Write Time"), &dentry->last_write_time);
2682         print_time(T("Last Access Time"), &dentry->last_access_time);
2683
2684
2685         if (dentry->attributes & WIMLIB_FILE_ATTRIBUTE_REPARSE_POINT)
2686                 tprintf(T("Reparse Tag         = 0x%"PRIx32"\n"), dentry->reparse_tag);
2687
2688         tprintf(T("Link Group ID       = 0x%016"PRIx64"\n"), dentry->hard_link_group_id);
2689         tprintf(T("Link Count          = %"PRIu32"\n"), dentry->num_links);
2690
2691         if (dentry->unix_mode != 0) {
2692                 tprintf(T("UNIX Data           = uid:%"PRIu32" gid:%"PRIu32" "
2693                           "mode:0%"PRIo32" rdev:0x%"PRIx32"\n"),
2694                         dentry->unix_uid, dentry->unix_gid,
2695                         dentry->unix_mode, dentry->unix_rdev);
2696         }
2697
2698         for (uint32_t i = 0; i <= dentry->num_named_streams; i++) {
2699                 if (dentry->streams[i].stream_name) {
2700                         tprintf(T("\tNamed data stream \"%"TS"\":\n"),
2701                                 dentry->streams[i].stream_name);
2702                 } else if (dentry->attributes & WIMLIB_FILE_ATTRIBUTE_ENCRYPTED) {
2703                         tprintf(T("\tRaw encrypted data stream:\n"));
2704                 } else if (dentry->attributes & WIMLIB_FILE_ATTRIBUTE_REPARSE_POINT) {
2705                         tprintf(T("\tReparse point stream:\n"));
2706                 } else {
2707                         tprintf(T("\tUnnamed data stream:\n"));
2708                 }
2709                 print_resource(&dentry->streams[i].resource, NULL);
2710         }
2711 }
2712
2713 static int
2714 print_dentry(const struct wimlib_dir_entry *dentry, void *_options)
2715 {
2716         const struct print_dentry_options *options = _options;
2717         if (!options->detailed)
2718                 print_dentry_full_path(dentry);
2719         else
2720                 print_dentry_detailed(dentry);
2721         return 0;
2722 }
2723
2724 /* Print the files contained in an image(s) in a WIM file. */
2725 static int
2726 imagex_dir(int argc, tchar **argv, int cmd)
2727 {
2728         const tchar *wimfile;
2729         WIMStruct *wim = NULL;
2730         int image;
2731         int ret;
2732         const tchar *path = WIMLIB_WIM_ROOT_PATH;
2733         int c;
2734         struct print_dentry_options options = {
2735                 .detailed = false,
2736         };
2737         int iterate_flags = WIMLIB_ITERATE_DIR_TREE_FLAG_RECURSIVE;
2738
2739         STRING_SET(refglobs);
2740
2741         for_opt(c, dir_options) {
2742                 switch (c) {
2743                 case IMAGEX_PATH_OPTION:
2744                         path = optarg;
2745                         break;
2746                 case IMAGEX_DETAILED_OPTION:
2747                         options.detailed = true;
2748                         break;
2749                 case IMAGEX_ONE_FILE_ONLY_OPTION:
2750                         iterate_flags &= ~WIMLIB_ITERATE_DIR_TREE_FLAG_RECURSIVE;
2751                         break;
2752                 case IMAGEX_REF_OPTION:
2753                         ret = string_set_append(&refglobs, optarg);
2754                         if (ret)
2755                                 goto out_free_refglobs;
2756                         break;
2757                 default:
2758                         goto out_usage;
2759                 }
2760         }
2761         argc -= optind;
2762         argv += optind;
2763
2764         if (argc < 1) {
2765                 imagex_error(T("Must specify a WIM file"));
2766                 goto out_usage;
2767         }
2768         if (argc > 2) {
2769                 imagex_error(T("Too many arguments"));
2770                 goto out_usage;
2771         }
2772
2773         wimfile = argv[0];
2774         ret = wimlib_open_wim_with_progress(wimfile, 0, &wim,
2775                                             imagex_progress_func, NULL);
2776         if (ret)
2777                 goto out_free_refglobs;
2778
2779         if (argc >= 2) {
2780                 image = wimlib_resolve_image(wim, argv[1]);
2781                 ret = verify_image_exists(image, argv[1], wimfile);
2782                 if (ret)
2783                         goto out_wimlib_free;
2784         } else {
2785                 /* No image specified; default to image 1, but only if the WIM
2786                  * contains exactly one image.  */
2787
2788                 struct wimlib_wim_info info;
2789
2790                 wimlib_get_wim_info(wim, &info);
2791                 if (info.image_count != 1) {
2792                         imagex_error(T("\"%"TS"\" contains %d images; Please "
2793                                        "select one (or all)."),
2794                                      wimfile, info.image_count);
2795                         wimlib_free(wim);
2796                         goto out_usage;
2797                 }
2798                 image = 1;
2799         }
2800
2801         if (refglobs.num_strings) {
2802                 ret = wim_reference_globs(wim, &refglobs, 0);
2803                 if (ret)
2804                         goto out_wimlib_free;
2805         }
2806
2807         ret = wimlib_iterate_dir_tree(wim, image, path, iterate_flags,
2808                                       print_dentry, &options);
2809         if (ret == WIMLIB_ERR_METADATA_NOT_FOUND) {
2810                 struct wimlib_wim_info info;
2811
2812                 wimlib_get_wim_info(wim, &info);
2813                 do_metadata_not_found_warning(wimfile, &info);
2814         }
2815 out_wimlib_free:
2816         wimlib_free(wim);
2817 out_free_refglobs:
2818         string_set_destroy(&refglobs);
2819         return ret;
2820
2821 out_usage:
2822         usage(CMD_DIR, stderr);
2823         ret = -1;
2824         goto out_free_refglobs;
2825 }
2826
2827 /* Exports one, or all, images from a WIM file to a new WIM file or an existing
2828  * WIM file. */
2829 static int
2830 imagex_export(int argc, tchar **argv, int cmd)
2831 {
2832         int c;
2833         int open_flags = 0;
2834         int export_flags = WIMLIB_EXPORT_FLAG_GIFT;
2835         int write_flags = 0;
2836         int compression_type = WIMLIB_COMPRESSION_TYPE_INVALID;
2837         const tchar *src_wimfile;
2838         const tchar *src_image_num_or_name;
2839         const tchar *dest_wimfile;
2840         int dest_wim_fd;
2841         const tchar *dest_name;
2842         const tchar *dest_desc;
2843         WIMStruct *src_wim;
2844         struct wimlib_wim_info src_info;
2845         WIMStruct *dest_wim;
2846         int ret;
2847         int image;
2848         struct stat stbuf;
2849         bool wim_is_new;
2850         STRING_SET(refglobs);
2851         unsigned num_threads = 0;
2852         uint32_t chunk_size = UINT32_MAX;
2853         uint32_t solid_chunk_size = UINT32_MAX;
2854         int solid_ctype = WIMLIB_COMPRESSION_TYPE_INVALID;
2855
2856         for_opt(c, export_options) {
2857                 switch (c) {
2858                 case IMAGEX_BOOT_OPTION:
2859                         export_flags |= WIMLIB_EXPORT_FLAG_BOOT;
2860                         break;
2861                 case IMAGEX_CHECK_OPTION:
2862                         open_flags |= WIMLIB_OPEN_FLAG_CHECK_INTEGRITY;
2863                         write_flags |= WIMLIB_WRITE_FLAG_CHECK_INTEGRITY;
2864                         break;
2865                 case IMAGEX_NOCHECK_OPTION:
2866                         write_flags |= WIMLIB_WRITE_FLAG_NO_CHECK_INTEGRITY;
2867                         break;
2868                 case IMAGEX_COMPRESS_OPTION:
2869                         compression_type = get_compression_type(optarg);
2870                         if (compression_type == WIMLIB_COMPRESSION_TYPE_INVALID)
2871                                 goto out_err;
2872                         break;
2873                 case IMAGEX_COMPRESS_SLOW_OPTION:
2874                         set_compress_slow();
2875                         write_flags |= WIMLIB_WRITE_FLAG_RECOMPRESS;
2876                         break;
2877                 case IMAGEX_RECOMPRESS_OPTION:
2878                         write_flags |= WIMLIB_WRITE_FLAG_RECOMPRESS;
2879                         break;
2880                 case IMAGEX_SOLID_OPTION:
2881                         write_flags |= WIMLIB_WRITE_FLAG_SOLID;
2882                         break;
2883                 case IMAGEX_NO_SOLID_SORT_OPTION:
2884                         write_flags |= WIMLIB_WRITE_FLAG_NO_SOLID_SORT;
2885                         break;
2886                 case IMAGEX_CHUNK_SIZE_OPTION:
2887                         chunk_size = parse_chunk_size(optarg);
2888                         if (chunk_size == UINT32_MAX)
2889                                 goto out_err;
2890                         break;
2891                 case IMAGEX_SOLID_CHUNK_SIZE_OPTION:
2892                         solid_chunk_size = parse_chunk_size(optarg);
2893                         if (solid_chunk_size == UINT32_MAX)
2894                                 goto out_err;
2895                         break;
2896                 case IMAGEX_SOLID_COMPRESS_OPTION:
2897                         solid_ctype = get_compression_type(optarg);
2898                         if (solid_ctype == WIMLIB_COMPRESSION_TYPE_INVALID)
2899                                 goto out_err;
2900                         break;
2901                 case IMAGEX_REF_OPTION:
2902                         ret = string_set_append(&refglobs, optarg);
2903                         if (ret)
2904                                 goto out_free_refglobs;
2905                         break;
2906                 case IMAGEX_THREADS_OPTION:
2907                         num_threads = parse_num_threads(optarg);
2908                         if (num_threads == UINT_MAX)
2909                                 goto out_err;
2910                         break;
2911                 case IMAGEX_REBUILD_OPTION:
2912                         write_flags |= WIMLIB_WRITE_FLAG_REBUILD;
2913                         break;
2914                 case IMAGEX_PIPABLE_OPTION:
2915                         write_flags |= WIMLIB_WRITE_FLAG_PIPABLE;
2916                         break;
2917                 case IMAGEX_NOT_PIPABLE_OPTION:
2918                         write_flags |= WIMLIB_WRITE_FLAG_NOT_PIPABLE;
2919                         break;
2920                 case IMAGEX_WIMBOOT_OPTION:
2921                         export_flags |= WIMLIB_EXPORT_FLAG_WIMBOOT;
2922                         break;
2923                 case IMAGEX_UNSAFE_COMPACT_OPTION:
2924                         write_flags |= WIMLIB_WRITE_FLAG_UNSAFE_COMPACT;
2925                         break;
2926                 default:
2927                         goto out_usage;
2928                 }
2929         }
2930         argc -= optind;
2931         argv += optind;
2932         if (argc < 3 || argc > 5)
2933                 goto out_usage;
2934         src_wimfile           = argv[0];
2935         src_image_num_or_name = argv[1];
2936         dest_wimfile          = argv[2];
2937         dest_name             = (argc >= 4) ? argv[3] : NULL;
2938         dest_desc             = (argc >= 5) ? argv[4] : NULL;
2939         ret = wimlib_open_wim_with_progress(src_wimfile, open_flags, &src_wim,
2940                                             imagex_progress_func, NULL);
2941         if (ret)
2942                 goto out_free_refglobs;
2943
2944         wimlib_get_wim_info(src_wim, &src_info);
2945
2946         /* Determine if the destination is an existing file or not.  If so, we
2947          * try to append the exported image(s) to it; otherwise, we create a new
2948          * WIM containing the exported image(s).  Furthermore, determine if we
2949          * need to write a pipable WIM directly to standard output.  */
2950
2951         if (tstrcmp(dest_wimfile, T("-")) == 0) {
2952         #if 0
2953                 if (!(write_flags & WIMLIB_WRITE_FLAG_PIPABLE)) {
2954                         imagex_error("Can't write a non-pipable WIM to "
2955                                      "standard output!  Specify --pipable\n"
2956                                      "       if you want to create a pipable WIM "
2957                                      "(but read the docs first).");
2958                         ret = -1;
2959                         goto out_free_src_wim;
2960                 }
2961         #else
2962                 write_flags |= WIMLIB_WRITE_FLAG_PIPABLE;
2963         #endif
2964                 dest_wimfile = NULL;
2965                 dest_wim_fd = STDOUT_FILENO;
2966                 imagex_info_file = stderr;
2967                 set_fd_to_binary_mode(dest_wim_fd);
2968         }
2969         errno = ENOENT;
2970         if (dest_wimfile != NULL && tstat(dest_wimfile, &stbuf) == 0) {
2971                 wim_is_new = false;
2972                 /* Destination file exists. */
2973
2974                 if (!S_ISREG(stbuf.st_mode)) {
2975                         imagex_error(T("\"%"TS"\" is not a regular file"),
2976                                      dest_wimfile);
2977                         ret = -1;
2978                         goto out_free_src_wim;
2979                 }
2980                 ret = wimlib_open_wim_with_progress(dest_wimfile,
2981                                                     open_flags |
2982                                                         WIMLIB_OPEN_FLAG_WRITE_ACCESS,
2983                                                     &dest_wim,
2984                                                     imagex_progress_func,
2985                                                     NULL);
2986                 if (ret)
2987                         goto out_free_src_wim;
2988
2989                 if (compression_type != WIMLIB_COMPRESSION_TYPE_INVALID) {
2990                         /* The user specified a compression type, but we're
2991                          * exporting to an existing WIM.  Make sure the
2992                          * specified compression type is the same as the
2993                          * compression type of the existing destination WIM. */
2994                         struct wimlib_wim_info dest_info;
2995
2996                         wimlib_get_wim_info(dest_wim, &dest_info);
2997                         if (compression_type != dest_info.compression_type) {
2998                                 imagex_error(T("Cannot specify a compression type that is "
2999                                                "not the same as that used in the "
3000                                                "destination WIM"));
3001                                 ret = -1;
3002                                 goto out_free_dest_wim;
3003                         }
3004                 }
3005         } else {
3006                 wim_is_new = true;
3007
3008                 if (errno != ENOENT) {
3009                         imagex_error_with_errno(T("Cannot stat file \"%"TS"\""),
3010                                                 dest_wimfile);
3011                         ret = -1;
3012                         goto out_free_src_wim;
3013                 }
3014
3015                 if (write_flags & WIMLIB_WRITE_FLAG_UNSAFE_COMPACT) {
3016                         imagex_error(T("'--unsafe-compact' is only valid when "
3017                                        "exporting to an existing WIM file!"));
3018                         ret = -1;
3019                         goto out_free_src_wim;
3020                 }
3021
3022                 /* dest_wimfile is not an existing file, so create a new WIM. */
3023
3024                 if (compression_type == WIMLIB_COMPRESSION_TYPE_INVALID) {
3025                         /* The user did not specify a compression type; default
3026                          * to that of the source WIM, unless --solid or
3027                          * --wimboot was specified.   */
3028
3029                         if (write_flags & WIMLIB_WRITE_FLAG_SOLID)
3030                                 compression_type = WIMLIB_COMPRESSION_TYPE_LZMS;
3031                         else if (export_flags & WIMLIB_EXPORT_FLAG_WIMBOOT)
3032                                 compression_type = WIMLIB_COMPRESSION_TYPE_XPRESS;
3033                         else
3034                                 compression_type = src_info.compression_type;
3035                 }
3036                 ret = wimlib_create_new_wim(compression_type, &dest_wim);
3037                 if (ret)
3038                         goto out_free_src_wim;
3039
3040                 wimlib_register_progress_function(dest_wim,
3041                                                   imagex_progress_func, NULL);
3042
3043                 if ((export_flags & WIMLIB_EXPORT_FLAG_WIMBOOT)
3044                     && compression_type == WIMLIB_COMPRESSION_TYPE_XPRESS)
3045                 {
3046                         /* For --wimboot export, use small XPRESS chunks.  */
3047                         wimlib_set_output_chunk_size(dest_wim, 4096);
3048                 } else if (compression_type == src_info.compression_type &&
3049                            chunk_size == UINT32_MAX)
3050                 {
3051                         /* Use same chunk size if compression type is the same.  */
3052                         wimlib_set_output_chunk_size(dest_wim, src_info.chunk_size);
3053                 }
3054         }
3055
3056         if (chunk_size != UINT32_MAX) {
3057                 /* Set destination chunk size.  */
3058                 ret = wimlib_set_output_chunk_size(dest_wim, chunk_size);
3059                 if (ret)
3060                         goto out_free_dest_wim;
3061         }
3062         if (solid_ctype != WIMLIB_COMPRESSION_TYPE_INVALID) {
3063                 ret = wimlib_set_output_pack_compression_type(dest_wim, solid_ctype);
3064                 if (ret)
3065                         goto out_free_dest_wim;
3066         }
3067         if (solid_chunk_size != UINT32_MAX) {
3068                 ret = wimlib_set_output_pack_chunk_size(dest_wim, solid_chunk_size);
3069                 if (ret)
3070                         goto out_free_dest_wim;
3071         }
3072
3073         image = wimlib_resolve_image(src_wim, src_image_num_or_name);
3074         ret = verify_image_exists(image, src_image_num_or_name, src_wimfile);
3075         if (ret)
3076                 goto out_free_dest_wim;
3077
3078         if (refglobs.num_strings) {
3079                 ret = wim_reference_globs(src_wim, &refglobs, open_flags);
3080                 if (ret)
3081                         goto out_free_dest_wim;
3082         }
3083
3084         if ((export_flags & WIMLIB_EXPORT_FLAG_BOOT) &&
3085             image == WIMLIB_ALL_IMAGES && src_info.boot_index == 0)
3086         {
3087                 imagex_error(T("--boot specified for all-images export, but source WIM "
3088                                "has no bootable image."));
3089                 ret = -1;
3090                 goto out_free_dest_wim;
3091         }
3092
3093         ret = wimlib_export_image(src_wim, image, dest_wim, dest_name,
3094                                   dest_desc, export_flags);
3095         if (ret) {
3096                 if (ret == WIMLIB_ERR_RESOURCE_NOT_FOUND) {
3097                         do_resource_not_found_warning(src_wimfile,
3098                                                       &src_info, &refglobs);
3099                 } else if (ret == WIMLIB_ERR_METADATA_NOT_FOUND) {
3100                         do_metadata_not_found_warning(src_wimfile, &src_info);
3101                 }
3102                 goto out_free_dest_wim;
3103         }
3104
3105         if (!wim_is_new)
3106                 ret = wimlib_overwrite(dest_wim, write_flags, num_threads);
3107         else if (dest_wimfile)
3108                 ret = wimlib_write(dest_wim, dest_wimfile, WIMLIB_ALL_IMAGES,
3109                                    write_flags, num_threads);
3110         else
3111                 ret = wimlib_write_to_fd(dest_wim, dest_wim_fd,
3112                                          WIMLIB_ALL_IMAGES, write_flags,
3113                                          num_threads);
3114 out_free_dest_wim:
3115         wimlib_free(dest_wim);
3116 out_free_src_wim:
3117         wimlib_free(src_wim);
3118 out_free_refglobs:
3119         string_set_destroy(&refglobs);
3120         return ret;
3121
3122 out_usage:
3123         usage(CMD_EXPORT, stderr);
3124 out_err:
3125         ret = -1;
3126         goto out_free_refglobs;
3127 }
3128
3129 /* Extract files or directories from a WIM image */
3130 static int
3131 imagex_extract(int argc, tchar **argv, int cmd)
3132 {
3133         int c;
3134         int open_flags = 0;
3135         int image;
3136         WIMStruct *wim;
3137         int ret;
3138         const tchar *wimfile;
3139         const tchar *image_num_or_name;
3140         tchar *dest_dir = T(".");
3141         int extract_flags = WIMLIB_EXTRACT_FLAG_NORPFIX |
3142                             WIMLIB_EXTRACT_FLAG_GLOB_PATHS |
3143                             WIMLIB_EXTRACT_FLAG_STRICT_GLOB;
3144         int notlist_extract_flags = WIMLIB_EXTRACT_FLAG_NO_PRESERVE_DIR_STRUCTURE;
3145
3146         STRING_SET(refglobs);
3147
3148         tchar *root_path = WIMLIB_WIM_ROOT_PATH;
3149
3150         for_opt(c, extract_options) {
3151                 switch (c) {
3152                 case IMAGEX_CHECK_OPTION:
3153                         open_flags |= WIMLIB_OPEN_FLAG_CHECK_INTEGRITY;
3154                         break;
3155                 case IMAGEX_VERBOSE_OPTION:
3156                         /* No longer does anything.  */
3157                         break;
3158                 case IMAGEX_REF_OPTION:
3159                         ret = string_set_append(&refglobs, optarg);
3160                         if (ret)
3161                                 goto out_free_refglobs;
3162                         break;
3163                 case IMAGEX_UNIX_DATA_OPTION:
3164                         extract_flags |= WIMLIB_EXTRACT_FLAG_UNIX_DATA;
3165                         break;
3166                 case IMAGEX_NO_ACLS_OPTION:
3167                         extract_flags |= WIMLIB_EXTRACT_FLAG_NO_ACLS;
3168                         break;
3169                 case IMAGEX_STRICT_ACLS_OPTION:
3170                         extract_flags |= WIMLIB_EXTRACT_FLAG_STRICT_ACLS;
3171                         break;
3172                 case IMAGEX_NO_ATTRIBUTES_OPTION:
3173                         extract_flags |= WIMLIB_EXTRACT_FLAG_NO_ATTRIBUTES;
3174                         break;
3175                 case IMAGEX_DEST_DIR_OPTION:
3176                         dest_dir = optarg;
3177                         break;
3178                 case IMAGEX_TO_STDOUT_OPTION:
3179                         extract_flags |= WIMLIB_EXTRACT_FLAG_TO_STDOUT;
3180                         imagex_info_file = stderr;
3181                         imagex_be_quiet = true;
3182                         set_fd_to_binary_mode(STDOUT_FILENO);
3183                         break;
3184                 case IMAGEX_INCLUDE_INVALID_NAMES_OPTION:
3185                         extract_flags |= WIMLIB_EXTRACT_FLAG_REPLACE_INVALID_FILENAMES;
3186                         extract_flags |= WIMLIB_EXTRACT_FLAG_ALL_CASE_CONFLICTS;
3187                         break;
3188                 case IMAGEX_NO_GLOBS_OPTION:
3189                         extract_flags &= ~WIMLIB_EXTRACT_FLAG_GLOB_PATHS;
3190                         break;
3191                 case IMAGEX_NULLGLOB_OPTION:
3192                         extract_flags &= ~WIMLIB_EXTRACT_FLAG_STRICT_GLOB;
3193                         break;
3194                 case IMAGEX_PRESERVE_DIR_STRUCTURE_OPTION:
3195                         notlist_extract_flags &= ~WIMLIB_EXTRACT_FLAG_NO_PRESERVE_DIR_STRUCTURE;
3196                         break;
3197                 case IMAGEX_WIMBOOT_OPTION:
3198                         extract_flags |= WIMLIB_EXTRACT_FLAG_WIMBOOT;
3199                         break;
3200                 case IMAGEX_COMPACT_OPTION:
3201                         ret = set_compact_mode(optarg, &extract_flags);
3202                         if (ret)
3203                                 goto out_free_refglobs;
3204                         break;
3205                 default:
3206                         goto out_usage;
3207                 }
3208         }
3209         argc -= optind;
3210         argv += optind;
3211
3212         if (argc < 2)