imagex.c: Rename `struct refglob_set' => `struct string_set'
[wimlib] / programs / imagex.c
1 /*
2  * imagex.c
3  *
4  * Use wimlib to create, modify, extract, mount, unmount, or display information
5  * about a WIM file
6  */
7
8 /*
9  * Copyright (C) 2012, 2013 Eric Biggers
10  *
11  * This program is free software: you can redistribute it and/or modify
12  * it under the terms of the GNU General Public License as published by
13  * the Free Software Foundation, either version 3 of the License, or
14  * (at your option) any later version.
15  *
16  * This program is distributed in the hope that it will be useful,
17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
19  * GNU General Public License for more details.
20  *
21  * You should have received a copy of the GNU General Public License
22  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
23  */
24
25 #ifdef HAVE_CONFIG_H
26 #  include "config.h" /* Need for PACKAGE_VERSION, etc. */
27 #endif
28
29 #include "wimlib.h"
30 #include "wimlib_tchar.h"
31
32 #include <ctype.h>
33 #include <errno.h>
34
35 #include <inttypes.h>
36 #include <libgen.h>
37 #include <limits.h>
38 #include <stdarg.h>
39 #include <stdlib.h>
40 #include <string.h>
41 #include <sys/stat.h>
42 #include <unistd.h>
43 #include <locale.h>
44
45 #ifdef HAVE_ALLOCA_H
46 #  include <alloca.h>
47 #endif
48
49 #ifdef __WIN32__
50 #  include "imagex-win32.h"
51 #  define tbasename     win32_wbasename
52 #  define OS_PREFERRED_PATH_SEPARATOR L'\\'
53 #  define OS_PREFERRED_PATH_SEPARATOR_STRING L"\\"
54 #else /* __WIN32__ */
55 #  include <glob.h>
56 #  include <getopt.h>
57 #  include <langinfo.h>
58 #  define tbasename     basename
59 #  define OS_PREFERRED_PATH_SEPARATOR '/'
60 #  define OS_PREFERRED_PATH_SEPARATOR_STRING "/"
61 static inline void set_fd_to_binary_mode(int fd)
62 {
63 }
64 #endif /* !__WIN32 */
65
66 /* Don't confuse the user by presenting the mounting commands on Windows when
67  * they will never work.  However on UNIX-like systems we always present them,
68  * even if WITH_FUSE is not defined at this point, as to not tie the build of
69  * wimlib-imagex to a specific build of wimlib.  */
70 #ifdef __WIN32__
71 #  define WIM_MOUNTING_SUPPORTED 0
72 #else
73 #  define WIM_MOUNTING_SUPPORTED 1
74 #endif
75
76 #define ARRAY_LEN(array) (sizeof(array) / sizeof(array[0]))
77
78 #define for_opt(c, opts) while ((c = getopt_long_only(argc, (tchar**)argv, T(""), \
79                                 opts, NULL)) != -1)
80
81 enum {
82         CMD_NONE = -1,
83         CMD_APPEND = 0,
84         CMD_APPLY,
85         CMD_CAPTURE,
86         CMD_DELETE,
87         CMD_DIR,
88         CMD_EXPORT,
89         CMD_EXTRACT,
90         CMD_INFO,
91         CMD_JOIN,
92 #if WIM_MOUNTING_SUPPORTED
93         CMD_MOUNT,
94         CMD_MOUNTRW,
95 #endif
96         CMD_OPTIMIZE,
97         CMD_SPLIT,
98 #if WIM_MOUNTING_SUPPORTED
99         CMD_UNMOUNT,
100 #endif
101         CMD_UPDATE,
102         CMD_MAX,
103 };
104
105 static void usage(int cmd, FILE *fp);
106 static void usage_all(FILE *fp);
107 static void recommend_man_page(int cmd, FILE *fp);
108 static const tchar *get_cmd_string(int cmd, bool nospace);
109
110 static int imagex_progress_func(enum wimlib_progress_msg msg,
111                                 const union wimlib_progress_info *info);
112
113 static bool imagex_be_quiet = false;
114 static FILE *imagex_info_file;
115
116 #define imagex_printf(format, ...) \
117                 tfprintf(imagex_info_file, format, ##__VA_ARGS__)
118
119 enum {
120         IMAGEX_ALLOW_OTHER_OPTION,
121         IMAGEX_BOOT_OPTION,
122         IMAGEX_CHECK_OPTION,
123         IMAGEX_COMMAND_OPTION,
124         IMAGEX_COMMIT_OPTION,
125         IMAGEX_COMPRESS_OPTION,
126         IMAGEX_CONFIG_OPTION,
127         IMAGEX_DEBUG_OPTION,
128         IMAGEX_DELTA_FROM_OPTION,
129         IMAGEX_DEREFERENCE_OPTION,
130         IMAGEX_DEST_DIR_OPTION,
131         IMAGEX_EXTRACT_XML_OPTION,
132         IMAGEX_FLAGS_OPTION,
133         IMAGEX_FORCE_OPTION,
134         IMAGEX_HARDLINK_OPTION,
135         IMAGEX_HEADER_OPTION,
136         IMAGEX_INCLUDE_INVALID_NAMES_OPTION,
137         IMAGEX_LAZY_OPTION,
138         IMAGEX_LOOKUP_TABLE_OPTION,
139         IMAGEX_METADATA_OPTION,
140         IMAGEX_NORPFIX_OPTION,
141         IMAGEX_NOCHECK_OPTION,
142         IMAGEX_NO_ACLS_OPTION,
143         IMAGEX_NOT_PIPABLE_OPTION,
144         IMAGEX_PATH_OPTION,
145         IMAGEX_PIPABLE_OPTION,
146         IMAGEX_REBUILD_OPTION,
147         IMAGEX_RECOMPRESS_OPTION,
148         IMAGEX_RECURSIVE_OPTION,
149         IMAGEX_REF_OPTION,
150         IMAGEX_RESUME_OPTION,
151         IMAGEX_RPFIX_OPTION,
152         IMAGEX_SOFT_OPTION,
153         IMAGEX_SOURCE_LIST_OPTION,
154         IMAGEX_STAGING_DIR_OPTION,
155         IMAGEX_STREAMS_INTERFACE_OPTION,
156         IMAGEX_STRICT_ACLS_OPTION,
157         IMAGEX_SYMLINK_OPTION,
158         IMAGEX_THREADS_OPTION,
159         IMAGEX_TO_STDOUT_OPTION,
160         IMAGEX_UNIX_DATA_OPTION,
161         IMAGEX_UPDATE_OF_OPTION,
162         IMAGEX_VERBOSE_OPTION,
163         IMAGEX_XML_OPTION,
164 };
165
166 static const struct option apply_options[] = {
167         {T("check"),       no_argument,       NULL, IMAGEX_CHECK_OPTION},
168         {T("hardlink"),    no_argument,       NULL, IMAGEX_HARDLINK_OPTION},
169         {T("symlink"),     no_argument,       NULL, IMAGEX_SYMLINK_OPTION},
170         {T("verbose"),     no_argument,       NULL, IMAGEX_VERBOSE_OPTION},
171         {T("ref"),         required_argument, NULL, IMAGEX_REF_OPTION},
172         {T("unix-data"),   no_argument,       NULL, IMAGEX_UNIX_DATA_OPTION},
173         {T("noacls"),      no_argument,       NULL, IMAGEX_NO_ACLS_OPTION},
174         {T("no-acls"),     no_argument,       NULL, IMAGEX_NO_ACLS_OPTION},
175         {T("strict-acls"), no_argument,       NULL, IMAGEX_STRICT_ACLS_OPTION},
176         {T("rpfix"),       no_argument,       NULL, IMAGEX_RPFIX_OPTION},
177         {T("norpfix"),     no_argument,       NULL, IMAGEX_NORPFIX_OPTION},
178         {T("include-invalid-names"), no_argument,       NULL, IMAGEX_INCLUDE_INVALID_NAMES_OPTION},
179
180         /* --resume is undocumented for now as it needs improvement.  */
181         {T("resume"),      no_argument,       NULL, IMAGEX_RESUME_OPTION},
182         {NULL, 0, NULL, 0},
183 };
184
185 static const struct option capture_or_append_options[] = {
186         {T("boot"),        no_argument,       NULL, IMAGEX_BOOT_OPTION},
187         {T("check"),       no_argument,       NULL, IMAGEX_CHECK_OPTION},
188         {T("no-check"),    no_argument,       NULL, IMAGEX_NOCHECK_OPTION},
189         {T("nocheck"),     no_argument,       NULL, IMAGEX_NOCHECK_OPTION},
190         {T("compress"),    required_argument, NULL, IMAGEX_COMPRESS_OPTION},
191         {T("config"),      required_argument, NULL, IMAGEX_CONFIG_OPTION},
192         {T("dereference"), no_argument,       NULL, IMAGEX_DEREFERENCE_OPTION},
193         {T("flags"),       required_argument, NULL, IMAGEX_FLAGS_OPTION},
194         {T("verbose"),     no_argument,       NULL, IMAGEX_VERBOSE_OPTION},
195         {T("threads"),     required_argument, NULL, IMAGEX_THREADS_OPTION},
196         {T("rebuild"),     no_argument,       NULL, IMAGEX_REBUILD_OPTION},
197         {T("unix-data"),   no_argument,       NULL, IMAGEX_UNIX_DATA_OPTION},
198         {T("source-list"), no_argument,       NULL, IMAGEX_SOURCE_LIST_OPTION},
199         {T("noacls"),      no_argument,       NULL, IMAGEX_NO_ACLS_OPTION},
200         {T("no-acls"),     no_argument,       NULL, IMAGEX_NO_ACLS_OPTION},
201         {T("strict-acls"), no_argument,       NULL, IMAGEX_STRICT_ACLS_OPTION},
202         {T("rpfix"),       no_argument,       NULL, IMAGEX_RPFIX_OPTION},
203         {T("norpfix"),     no_argument,       NULL, IMAGEX_NORPFIX_OPTION},
204         {T("pipable"),     no_argument,       NULL, IMAGEX_PIPABLE_OPTION},
205         {T("not-pipable"), no_argument,       NULL, IMAGEX_NOT_PIPABLE_OPTION},
206         {T("update-of"),   required_argument, NULL, IMAGEX_UPDATE_OF_OPTION},
207         {T("delta-from"),  required_argument, NULL, IMAGEX_DELTA_FROM_OPTION},
208         {NULL, 0, NULL, 0},
209 };
210
211 static const struct option delete_options[] = {
212         {T("check"), no_argument, NULL, IMAGEX_CHECK_OPTION},
213         {T("soft"),  no_argument, NULL, IMAGEX_SOFT_OPTION},
214         {NULL, 0, NULL, 0},
215 };
216
217 static const struct option dir_options[] = {
218         {T("path"), required_argument, NULL, IMAGEX_PATH_OPTION},
219         {NULL, 0, NULL, 0},
220 };
221
222 static const struct option export_options[] = {
223         {T("boot"),        no_argument,       NULL, IMAGEX_BOOT_OPTION},
224         {T("check"),       no_argument,       NULL, IMAGEX_CHECK_OPTION},
225         {T("nocheck"),     no_argument,       NULL, IMAGEX_NOCHECK_OPTION},
226         {T("no-check"),    no_argument,       NULL, IMAGEX_NOCHECK_OPTION},
227         {T("compress"),    required_argument, NULL, IMAGEX_COMPRESS_OPTION},
228         {T("ref"),         required_argument, NULL, IMAGEX_REF_OPTION},
229         {T("threads"),     required_argument, NULL, IMAGEX_THREADS_OPTION},
230         {T("rebuild"),     no_argument,       NULL, IMAGEX_REBUILD_OPTION},
231         {T("pipable"),     no_argument,       NULL, IMAGEX_PIPABLE_OPTION},
232         {T("not-pipable"), no_argument,       NULL, IMAGEX_NOT_PIPABLE_OPTION},
233         {NULL, 0, NULL, 0},
234 };
235
236 static const struct option extract_options[] = {
237         {T("check"),       no_argument,       NULL, IMAGEX_CHECK_OPTION},
238         {T("verbose"),     no_argument,       NULL, IMAGEX_VERBOSE_OPTION},
239         {T("ref"),         required_argument, NULL, IMAGEX_REF_OPTION},
240         {T("unix-data"),   no_argument,       NULL, IMAGEX_UNIX_DATA_OPTION},
241         {T("noacls"),      no_argument,       NULL, IMAGEX_NO_ACLS_OPTION},
242         {T("no-acls"),     no_argument,       NULL, IMAGEX_NO_ACLS_OPTION},
243         {T("strict-acls"), no_argument,       NULL, IMAGEX_STRICT_ACLS_OPTION},
244         {T("dest-dir"),    required_argument, NULL, IMAGEX_DEST_DIR_OPTION},
245         {T("to-stdout"),   no_argument,       NULL, IMAGEX_TO_STDOUT_OPTION},
246         {T("include-invalid-names"), no_argument, NULL, IMAGEX_INCLUDE_INVALID_NAMES_OPTION},
247         {NULL, 0, NULL, 0},
248 };
249
250 static const struct option info_options[] = {
251         {T("boot"),         no_argument,       NULL, IMAGEX_BOOT_OPTION},
252         {T("check"),        no_argument,       NULL, IMAGEX_CHECK_OPTION},
253         {T("nocheck"),      no_argument,       NULL, IMAGEX_NOCHECK_OPTION},
254         {T("no-check"),     no_argument,       NULL, IMAGEX_NOCHECK_OPTION},
255         {T("extract-xml"),  required_argument, NULL, IMAGEX_EXTRACT_XML_OPTION},
256         {T("header"),       no_argument,       NULL, IMAGEX_HEADER_OPTION},
257         {T("lookup-table"), no_argument,       NULL, IMAGEX_LOOKUP_TABLE_OPTION},
258         {T("metadata"),     no_argument,       NULL, IMAGEX_METADATA_OPTION},
259         {T("xml"),          no_argument,       NULL, IMAGEX_XML_OPTION},
260         {NULL, 0, NULL, 0},
261 };
262
263 static const struct option join_options[] = {
264         {T("check"), no_argument, NULL, IMAGEX_CHECK_OPTION},
265         {NULL, 0, NULL, 0},
266 };
267
268 static const struct option mount_options[] = {
269         {T("check"),             no_argument,       NULL, IMAGEX_CHECK_OPTION},
270         {T("debug"),             no_argument,       NULL, IMAGEX_DEBUG_OPTION},
271         {T("streams-interface"), required_argument, NULL, IMAGEX_STREAMS_INTERFACE_OPTION},
272         {T("ref"),               required_argument, NULL, IMAGEX_REF_OPTION},
273         {T("staging-dir"),       required_argument, NULL, IMAGEX_STAGING_DIR_OPTION},
274         {T("unix-data"),         no_argument,       NULL, IMAGEX_UNIX_DATA_OPTION},
275         {T("allow-other"),       no_argument,       NULL, IMAGEX_ALLOW_OTHER_OPTION},
276         {NULL, 0, NULL, 0},
277 };
278
279 static const struct option optimize_options[] = {
280         {T("check"),       no_argument,       NULL, IMAGEX_CHECK_OPTION},
281         {T("nocheck"),     no_argument,       NULL, IMAGEX_NOCHECK_OPTION},
282         {T("no-check"),    no_argument,       NULL, IMAGEX_NOCHECK_OPTION},
283         {T("recompress"),  no_argument,       NULL, IMAGEX_RECOMPRESS_OPTION},
284         {T("threads"),     required_argument, NULL, IMAGEX_THREADS_OPTION},
285         {T("pipable"),     no_argument,       NULL, IMAGEX_PIPABLE_OPTION},
286         {T("not-pipable"), no_argument,       NULL, IMAGEX_NOT_PIPABLE_OPTION},
287         {NULL, 0, NULL, 0},
288 };
289
290 static const struct option split_options[] = {
291         {T("check"), no_argument, NULL, IMAGEX_CHECK_OPTION},
292         {NULL, 0, NULL, 0},
293 };
294
295 static const struct option unmount_options[] = {
296         {T("commit"),  no_argument, NULL, IMAGEX_COMMIT_OPTION},
297         {T("check"),   no_argument, NULL, IMAGEX_CHECK_OPTION},
298         {T("rebuild"), no_argument, NULL, IMAGEX_REBUILD_OPTION},
299         {T("lazy"),    no_argument, NULL, IMAGEX_LAZY_OPTION},
300         {NULL, 0, NULL, 0},
301 };
302
303 static const struct option update_options[] = {
304         /* Careful: some of the options here set the defaults for update
305          * commands, but the flags given to an actual update command (and not to
306          * `imagex update' itself are also handled in
307          * update_command_add_option().  */
308         {T("threads"),     required_argument, NULL, IMAGEX_THREADS_OPTION},
309         {T("check"),       no_argument,       NULL, IMAGEX_CHECK_OPTION},
310         {T("rebuild"),     no_argument,       NULL, IMAGEX_REBUILD_OPTION},
311         {T("command"),     required_argument, NULL, IMAGEX_COMMAND_OPTION},
312
313         /* Default delete options */
314         {T("force"),       no_argument,       NULL, IMAGEX_FORCE_OPTION},
315         {T("recursive"),   no_argument,       NULL, IMAGEX_RECURSIVE_OPTION},
316
317         /* Global add option */
318         {T("config"),      required_argument, NULL, IMAGEX_CONFIG_OPTION},
319
320         /* Default add options */
321         {T("verbose"),     no_argument,       NULL, IMAGEX_VERBOSE_OPTION},
322         {T("dereference"), no_argument,       NULL, IMAGEX_DEREFERENCE_OPTION},
323         {T("unix-data"),   no_argument,       NULL, IMAGEX_UNIX_DATA_OPTION},
324         {T("noacls"),      no_argument,       NULL, IMAGEX_NO_ACLS_OPTION},
325         {T("no-acls"),     no_argument,       NULL, IMAGEX_NO_ACLS_OPTION},
326         {T("strict-acls"), no_argument,       NULL, IMAGEX_STRICT_ACLS_OPTION},
327
328         {NULL, 0, NULL, 0},
329 };
330
331 #if 0
332 #       define _format_attribute(type, format_str, args_start) \
333                         __attribute__((format(type, format_str, args_start)))
334 #else
335 #       define _format_attribute(type, format_str, args_start)
336 #endif
337
338 /* Print formatted error message to stderr. */
339 static void _format_attribute(printf, 1, 2)
340 imagex_error(const tchar *format, ...)
341 {
342         va_list va;
343         va_start(va, format);
344         tfputs(T("ERROR: "), stderr);
345         tvfprintf(stderr, format, va);
346         tputc(T('\n'), stderr);
347         va_end(va);
348 }
349
350 /* Print formatted error message to stderr. */
351 static void _format_attribute(printf, 1, 2)
352 imagex_error_with_errno(const tchar *format, ...)
353 {
354         int errno_save = errno;
355         va_list va;
356         va_start(va, format);
357         tfputs(T("ERROR: "), stderr);
358         tvfprintf(stderr, format, va);
359         tfprintf(stderr, T(": %"TS"\n"), tstrerror(errno_save));
360         va_end(va);
361 }
362
363 static int
364 verify_image_exists(int image, const tchar *image_name, const tchar *wim_name)
365 {
366         if (image == WIMLIB_NO_IMAGE) {
367                 imagex_error(T("\"%"TS"\" is not a valid image in \"%"TS"\"!\n"
368                              "       Please specify a 1-based image index or "
369                              "image name.  To list the images\n"
370                              "       contained in the WIM archive, run\n"
371                              "\n"
372                              "           %"TS" \"%"TS"\"\n"),
373                              image_name, wim_name,
374                              get_cmd_string(CMD_INFO, false), wim_name);
375                 return WIMLIB_ERR_INVALID_IMAGE;
376         }
377         return 0;
378 }
379
380 static int
381 verify_image_is_single(int image)
382 {
383         if (image == WIMLIB_ALL_IMAGES) {
384                 imagex_error(T("Cannot specify all images for this action!"));
385                 return WIMLIB_ERR_INVALID_IMAGE;
386         }
387         return 0;
388 }
389
390 static int
391 verify_image_exists_and_is_single(int image, const tchar *image_name,
392                                   const tchar *wim_name)
393 {
394         int ret;
395         ret = verify_image_exists(image, image_name, wim_name);
396         if (ret == 0)
397                 ret = verify_image_is_single(image);
398         return ret;
399 }
400
401 /* Parse the argument to --compress */
402 static int
403 get_compression_type(const tchar *optarg)
404 {
405         if (!tstrcasecmp(optarg, T("maximum")) || !tstrcasecmp(optarg, T("lzx")))
406                 return WIMLIB_COMPRESSION_TYPE_LZX;
407         else if (!tstrcasecmp(optarg, T("fast")) || !tstrcasecmp(optarg, T("xpress")))
408                 return WIMLIB_COMPRESSION_TYPE_XPRESS;
409         else if (!tstrcasecmp(optarg, T("none")))
410                 return WIMLIB_COMPRESSION_TYPE_NONE;
411         else {
412                 imagex_error(T("Invalid compression type \"%"TS"\"! Must be "
413                              "\"maximum\", \"fast\", or \"none\"."), optarg);
414                 return WIMLIB_COMPRESSION_TYPE_INVALID;
415         }
416 }
417
418 struct string_set {
419         const tchar **strings;
420         unsigned num_strings;
421         unsigned num_alloc_strings;
422 };
423
424 #define STRING_SET_INITIALIZER \
425         { .strings = NULL, .num_strings = 0, .num_alloc_strings = 0, }
426
427 #define STRING_SET(_strings) \
428         struct string_set _strings = STRING_SET_INITIALIZER
429
430 static int
431 string_set_append(struct string_set *set, const tchar *glob)
432 {
433         unsigned num_alloc_strings = set->num_alloc_strings;
434
435         if (set->num_strings == num_alloc_strings) {
436                 const tchar **new_strings;
437
438                 num_alloc_strings += 4;
439                 new_strings = realloc(set->strings,
440                                       sizeof(set->strings[0]) * num_alloc_strings);
441                 if (!new_strings) {
442                         imagex_error(T("Out of memory!"));
443                         return -1;
444                 }
445                 set->strings = new_strings;
446                 set->num_alloc_strings = num_alloc_strings;
447         }
448         set->strings[set->num_strings++] = glob;
449         return 0;
450 }
451
452 static void
453 string_set_destroy(struct string_set *set)
454 {
455         free(set->strings);
456 }
457
458 static int
459 wim_reference_globs(WIMStruct *wim, struct string_set *set, int open_flags)
460 {
461         return wimlib_reference_resource_files(wim, set->strings,
462                                                set->num_strings,
463                                                WIMLIB_REF_FLAG_GLOB_ENABLE,
464                                                open_flags,
465                                                imagex_progress_func);
466 }
467
468 static void
469 do_resource_not_found_warning(const tchar *wimfile,
470                               const struct wimlib_wim_info *info,
471                               const struct string_set *refglobs)
472 {
473         if (info->total_parts > 1) {
474                 if (refglobs->num_strings == 0) {
475                         imagex_error(T("\"%"TS"\" is part of a split WIM. "
476                                        "Use --ref to specify the other parts."),
477                                      wimfile);
478                 } else {
479                         imagex_error(T("Perhaps the '--ref' argument did not "
480                                        "specify all other parts of the split "
481                                        "WIM?"));
482                 }
483         } else {
484                 imagex_error(T("If this is a delta WIM, use the --ref argument "
485                                "to specify the WIM on which it is based."));
486         }
487 }
488
489 /* Returns the size of a file given its name, or -1 if the file does not exist
490  * or its size cannot be determined.  */
491 static off_t
492 file_get_size(const tchar *filename)
493 {
494         struct stat st;
495         if (tstat(filename, &st) == 0)
496                 return st.st_size;
497         else
498                 return (off_t)-1;
499 }
500
501 enum {
502         PARSE_STRING_SUCCESS = 0,
503         PARSE_STRING_FAILURE = 1,
504         PARSE_STRING_NONE = 2,
505 };
506
507 /*
508  * Parses a string token from an array of characters.
509  *
510  * Tokens are either whitespace-delimited, or double or single-quoted.
511  *
512  * @line_p:  Pointer to the pointer to the line of data.  Will be updated
513  *           to point past the string token iff the return value is
514  *           PARSE_STRING_SUCCESS.  If *len_p > 0, (*line_p)[*len_p - 1] must
515  *           be '\0'.
516  *
517  * @len_p:   @len_p initially stores the length of the line of data, which may
518  *           be 0, and it will be updated to the number of bytes remaining in
519  *           the line iff the return value is PARSE_STRING_SUCCESS.
520  *
521  * @fn_ret:  Iff the return value is PARSE_STRING_SUCCESS, a pointer to the
522  *           parsed string token will be returned here.
523  *
524  * Returns: PARSE_STRING_SUCCESS if a string token was successfully parsed; or
525  *          PARSE_STRING_FAILURE if the data was invalid due to a missing
526  *          closing quote; or PARSE_STRING_NONE if the line ended before the
527  *          beginning of a string token was found.
528  */
529 static int
530 parse_string(tchar **line_p, size_t *len_p, tchar **fn_ret)
531 {
532         size_t len = *len_p;
533         tchar *line = *line_p;
534         tchar *fn;
535         tchar quote_char;
536
537         /* Skip leading whitespace */
538         for (;;) {
539                 if (len == 0)
540                         return PARSE_STRING_NONE;
541                 if (!istspace(*line) && *line != T('\0'))
542                         break;
543                 line++;
544                 len--;
545         }
546         quote_char = *line;
547         if (quote_char == T('"') || quote_char == T('\'')) {
548                 /* Quoted string */
549                 line++;
550                 len--;
551                 fn = line;
552                 line = tmemchr(line, quote_char, len);
553                 if (!line) {
554                         imagex_error(T("Missing closing quote: %"TS), fn - 1);
555                         return PARSE_STRING_FAILURE;
556                 }
557         } else {
558                 /* Unquoted string.  Go until whitespace.  Line is terminated
559                  * by '\0', so no need to check 'len'. */
560                 fn = line;
561                 do {
562                         line++;
563                 } while (!istspace(*line) && *line != T('\0'));
564         }
565         *line = T('\0');
566         len -= line - fn;
567         *len_p = len;
568         *line_p = line;
569         *fn_ret = fn;
570         return PARSE_STRING_SUCCESS;
571 }
572
573 /* Parses a line of data (not an empty line or comment) in the source list file
574  * format.  (See the man page for 'wimlib-imagex capture' for details on this
575  * format and the meaning.)
576  *
577  * @line:  Line of data to be parsed.  line[len - 1] must be '\0', unless
578  *         len == 0.  The data in @line will be modified by this function call.
579  *
580  * @len:   Length of the line of data.
581  *
582  * @source:  On success, the capture source and target described by the line is
583  *           written into this destination.  Note that it will contain pointers
584  *           to data in the @line array.
585  *
586  * Returns true if the line was valid; false otherwise.  */
587 static bool
588 parse_source_list_line(tchar *line, size_t len,
589                        struct wimlib_capture_source *source)
590 {
591         /* SOURCE [DEST] */
592         int ret;
593         ret = parse_string(&line, &len, &source->fs_source_path);
594         if (ret != PARSE_STRING_SUCCESS)
595                 return false;
596         ret = parse_string(&line, &len, &source->wim_target_path);
597         if (ret == PARSE_STRING_NONE)
598                 source->wim_target_path = source->fs_source_path;
599         return ret != PARSE_STRING_FAILURE;
600 }
601
602 /* Returns %true if the given line of length @len > 0 is a comment or empty line
603  * in the source list file format. */
604 static bool
605 is_comment_line(const tchar *line, size_t len)
606 {
607         for (;;) {
608                 if (*line == T('#'))
609                         return true;
610                 if (!istspace(*line) && *line != T('\0'))
611                         return false;
612                 ++line;
613                 --len;
614                 if (len == 0)
615                         return true;
616         }
617 }
618
619 static ssize_t
620 text_file_count_lines(tchar **contents_p, size_t *nchars_p)
621 {
622         ssize_t nlines = 0;
623         tchar *contents = *contents_p;
624         size_t nchars = *nchars_p;
625         size_t i;
626
627         for (i = 0; i < nchars; i++)
628                 if (contents[i] == T('\n'))
629                         nlines++;
630
631         /* Handle last line not terminated by a newline */
632         if (nchars != 0 && contents[nchars - 1] != T('\n')) {
633                 contents = realloc(contents, (nchars + 1) * sizeof(tchar));
634                 if (!contents) {
635                         imagex_error(T("Out of memory!"));
636                         return -1;
637                 }
638                 contents[nchars] = T('\n');
639                 *contents_p = contents;
640                 nchars++;
641                 nlines++;
642         }
643         *nchars_p = nchars;
644         return nlines;
645 }
646
647 /* Parses a file in the source list format.  (See the man page for
648  * 'wimlib-imagex capture' for details on this format and the meaning.)
649  *
650  * @source_list_contents:  Contents of the source list file.  Note that this
651  *                         buffer will be modified to save memory allocations,
652  *                         and cannot be freed until the returned array of
653  *                         wimlib_capture_source's has also been freed.
654  *
655  * @source_list_nbytes:    Number of bytes of data in the @source_list_contents
656  *                         buffer.
657  *
658  * @nsources_ret:          On success, the length of the returned array is
659  *                         returned here.
660  *
661  * Returns:   An array of `struct wimlib_capture_source's that can be passed to
662  * the wimlib_add_image_multisource() function to specify how a WIM image is to
663  * be created.  */
664 static struct wimlib_capture_source *
665 parse_source_list(tchar **source_list_contents_p, size_t source_list_nchars,
666                   size_t *nsources_ret)
667 {
668         ssize_t nlines;
669         tchar *p;
670         struct wimlib_capture_source *sources;
671         size_t i, j;
672
673         nlines = text_file_count_lines(source_list_contents_p,
674                                        &source_list_nchars);
675         if (nlines < 0)
676                 return NULL;
677
678         /* Always allocate at least 1 slot, just in case the implementation of
679          * calloc() returns NULL if 0 bytes are requested. */
680         sources = calloc(nlines ?: 1, sizeof(*sources));
681         if (!sources) {
682                 imagex_error(T("out of memory"));
683                 return NULL;
684         }
685         p = *source_list_contents_p;
686         j = 0;
687         for (i = 0; i < nlines; i++) {
688                 /* XXX: Could use rawmemchr() here instead, but it may not be
689                  * available on all platforms. */
690                 tchar *endp = tmemchr(p, T('\n'), source_list_nchars);
691                 size_t len = endp - p + 1;
692                 *endp = T('\0');
693                 if (!is_comment_line(p, len)) {
694                         if (!parse_source_list_line(p, len, &sources[j++])) {
695                                 free(sources);
696                                 return NULL;
697                         }
698                 }
699                 p = endp + 1;
700
701         }
702         *nsources_ret = j;
703         return sources;
704 }
705
706
707 enum capture_config_section {
708         CAPTURE_CONFIG_NO_SECTION,
709         CAPTURE_CONFIG_EXCLUSION_SECTION,
710         CAPTURE_CONFIG_EXCLUSION_EXCEPTION_SECTION,
711         CAPTURE_CONFIG_IGNORE_SECTION,
712 };
713
714 enum {
715         CAPTURE_CONFIG_INVALID_SECTION,
716         CAPTURE_CONFIG_CHANGED_SECTION,
717         CAPTURE_CONFIG_SAME_SECTION,
718 };
719
720 static int
721 check_config_section(tchar *line, size_t len,
722                      enum capture_config_section *cur_section)
723 {
724         while (istspace(*line))
725                 line++;
726
727         if (*line != T('['))
728                 return CAPTURE_CONFIG_SAME_SECTION;
729
730         line++;
731         tchar *endbrace = tstrrchr(line, T(']'));
732         if (!endbrace)
733                 return CAPTURE_CONFIG_SAME_SECTION;
734
735         if (!tmemcmp(line, T("ExclusionList"), endbrace - line)) {
736                 *cur_section = CAPTURE_CONFIG_EXCLUSION_SECTION;
737         } else if (!tmemcmp(line, T("ExclusionException"), endbrace - line)) {
738                 *cur_section = CAPTURE_CONFIG_EXCLUSION_EXCEPTION_SECTION;
739         } else if (!tmemcmp(line, T("CompressionExclusionList"), endbrace - line)) {
740                 *cur_section = CAPTURE_CONFIG_IGNORE_SECTION;
741                 tfputs(T("WARNING: Ignoring [CompressionExclusionList] section "
742                          "of capture config file\n"),
743                        stderr);
744         } else if (!tmemcmp(line, T("AlignmentList"), endbrace - line)) {
745                 *cur_section = CAPTURE_CONFIG_IGNORE_SECTION;
746                 tfputs(T("WARNING: Ignoring [AlignmentList] section "
747                          "of capture config file\n"),
748                        stderr);
749         } else {
750                 imagex_error(T("Invalid capture config file section \"%"TS"\""),
751                              line - 1);
752                 return CAPTURE_CONFIG_INVALID_SECTION;
753         }
754         return CAPTURE_CONFIG_CHANGED_SECTION;
755 }
756
757
758 static bool
759 pattern_list_add_pattern(struct wimlib_pattern_list *pat_list,
760                          tchar *pat)
761 {
762         if (pat_list->num_pats == pat_list->num_allocated_pats) {
763                 tchar **pats;
764                 size_t num_allocated_pats = pat_list->num_pats + 8;
765
766                 pats = realloc(pat_list->pats,
767                                num_allocated_pats * sizeof(pat_list->pats[0]));
768                 if (!pats) {
769                         imagex_error(T("Out of memory!"));
770                         return false;
771                 }
772                 pat_list->pats = pats;
773                 pat_list->num_allocated_pats = num_allocated_pats;
774         }
775         pat_list->pats[pat_list->num_pats++] = pat;
776         return true;
777 }
778
779 static bool
780 parse_capture_config_line(tchar *line, size_t len,
781                           enum capture_config_section *cur_section,
782                           struct wimlib_capture_config *config)
783 {
784         tchar *filename;
785         int ret;
786
787         ret = check_config_section(line, len, cur_section);
788         if (ret == CAPTURE_CONFIG_INVALID_SECTION)
789                 return false;
790         if (ret == CAPTURE_CONFIG_CHANGED_SECTION)
791                 return true;
792
793         switch (*cur_section) {
794         case CAPTURE_CONFIG_NO_SECTION:
795                 imagex_error(T("Line \"%"TS"\" is not in a section "
796                                "(such as [ExclusionList]"), line);
797                 return false;
798         case CAPTURE_CONFIG_EXCLUSION_SECTION:
799                 if (parse_string(&line, &len, &filename) != PARSE_STRING_SUCCESS)
800                         return false;
801                 return pattern_list_add_pattern(&config->exclusion_pats,
802                                                 filename);
803         case CAPTURE_CONFIG_EXCLUSION_EXCEPTION_SECTION:
804                 if (parse_string(&line, &len, &filename) != PARSE_STRING_SUCCESS)
805                         return false;
806                 return pattern_list_add_pattern(&config->exclusion_exception_pats,
807                                                 filename);
808         case CAPTURE_CONFIG_IGNORE_SECTION:
809                 return true;
810         }
811         return false;
812 }
813
814 static int
815 parse_capture_config(tchar **contents_p, size_t nchars,
816                      struct wimlib_capture_config *config)
817 {
818         ssize_t nlines;
819         tchar *p;
820         size_t i;
821         enum capture_config_section cur_section;
822
823         memset(config, 0, sizeof(*config));
824
825         nlines = text_file_count_lines(contents_p, &nchars);
826         if (nlines < 0)
827                 return -1;
828
829         cur_section = CAPTURE_CONFIG_NO_SECTION;
830         p = *contents_p;
831         for (i = 0; i < nlines; i++) {
832                 tchar *endp = tmemchr(p, T('\n'), nchars);
833                 size_t len = endp - p + 1;
834                 *endp = T('\0');
835                 if (!is_comment_line(p, len))
836                         if (!parse_capture_config_line(p, len, &cur_section, config))
837                                 return -1;
838                 p = endp + 1;
839
840         }
841         return 0;
842 }
843
844 /* Reads the contents of a file into memory. */
845 static char *
846 file_get_contents(const tchar *filename, size_t *len_ret)
847 {
848         struct stat stbuf;
849         void *buf = NULL;
850         size_t len;
851         FILE *fp;
852
853         if (tstat(filename, &stbuf) != 0) {
854                 imagex_error_with_errno(T("Failed to stat the file \"%"TS"\""), filename);
855                 goto out;
856         }
857         len = stbuf.st_size;
858
859         fp = tfopen(filename, T("rb"));
860         if (!fp) {
861                 imagex_error_with_errno(T("Failed to open the file \"%"TS"\""), filename);
862                 goto out;
863         }
864
865         buf = malloc(len ? len : 1);
866         if (!buf) {
867                 imagex_error(T("Failed to allocate buffer of %zu bytes to hold "
868                                "contents of file \"%"TS"\""), len, filename);
869                 goto out_fclose;
870         }
871         if (fread(buf, 1, len, fp) != len) {
872                 imagex_error_with_errno(T("Failed to read %zu bytes from the "
873                                           "file \"%"TS"\""), len, filename);
874                 goto out_free_buf;
875         }
876         *len_ret = len;
877         goto out_fclose;
878 out_free_buf:
879         free(buf);
880         buf = NULL;
881 out_fclose:
882         fclose(fp);
883 out:
884         return buf;
885 }
886
887 /* Read standard input until EOF and return the full contents in a malloc()ed
888  * buffer and the number of bytes of data in @len_ret.  Returns NULL on read
889  * error. */
890 static char *
891 stdin_get_contents(size_t *len_ret)
892 {
893         /* stdin can, of course, be a pipe or other non-seekable file, so the
894          * total length of the data cannot be pre-determined */
895         char *buf = NULL;
896         size_t newlen = 1024;
897         size_t pos = 0;
898         size_t inc = 1024;
899         for (;;) {
900                 char *p = realloc(buf, newlen);
901                 size_t bytes_read, bytes_to_read;
902                 if (!p) {
903                         imagex_error(T("out of memory while reading stdin"));
904                         break;
905                 }
906                 buf = p;
907                 bytes_to_read = newlen - pos;
908                 bytes_read = fread(&buf[pos], 1, bytes_to_read, stdin);
909                 pos += bytes_read;
910                 if (bytes_read != bytes_to_read) {
911                         if (feof(stdin)) {
912                                 *len_ret = pos;
913                                 return buf;
914                         } else {
915                                 imagex_error_with_errno(T("error reading stdin"));
916                                 break;
917                         }
918                 }
919                 newlen += inc;
920                 inc *= 3;
921                 inc /= 2;
922         }
923         free(buf);
924         return NULL;
925 }
926
927
928 static tchar *
929 translate_text_to_tstr(char *text, size_t num_bytes, size_t *num_tchars_ret)
930 {
931 #ifndef __WIN32__
932         /* On non-Windows, assume an ASCII-compatible encoding, such as UTF-8.
933          * */
934         *num_tchars_ret = num_bytes;
935         return text;
936 #else /* !__WIN32__ */
937         /* On Windows, translate the text to UTF-16LE */
938         wchar_t *text_wstr;
939         size_t num_wchars;
940
941         if (num_bytes >= 2 &&
942             (((unsigned char)text[0] == 0xff && (unsigned char)text[1] == 0xfe) ||
943              ((unsigned char)text[0] <= 0x7f && (unsigned char)text[1] == 0x00)))
944         {
945                 /* File begins with 0xfeff, the BOM for UTF-16LE, or it begins
946                  * with something that looks like an ASCII character encoded as
947                  * a UTF-16LE code unit.  Assume the file is encoded as
948                  * UTF-16LE.  This is not a 100% reliable check. */
949                 num_wchars = num_bytes / 2;
950                 text_wstr = (wchar_t*)text;
951         } else {
952                 /* File does not look like UTF-16LE.  Assume it is encoded in
953                  * the current Windows code page.  I think these are always
954                  * ASCII-compatible, so any so-called "plain-text" (ASCII) files
955                  * should work as expected. */
956                 text_wstr = win32_mbs_to_wcs(text,
957                                              num_bytes,
958                                              &num_wchars);
959                 free(text);
960         }
961         *num_tchars_ret = num_wchars;
962         return text_wstr;
963 #endif /* __WIN32__ */
964 }
965
966 static tchar *
967 file_get_text_contents(const tchar *filename, size_t *num_tchars_ret)
968 {
969         char *contents;
970         size_t num_bytes;
971
972         contents = file_get_contents(filename, &num_bytes);
973         if (!contents)
974                 return NULL;
975         return translate_text_to_tstr(contents, num_bytes, num_tchars_ret);
976 }
977
978 static tchar *
979 stdin_get_text_contents(size_t *num_tchars_ret)
980 {
981         char *contents;
982         size_t num_bytes;
983
984         contents = stdin_get_contents(&num_bytes);
985         if (!contents)
986                 return NULL;
987         return translate_text_to_tstr(contents, num_bytes, num_tchars_ret);
988 }
989
990 #define TO_PERCENT(numerator, denominator) \
991         (((denominator) == 0) ? 0 : ((numerator) * 100 / (denominator)))
992
993 /* Given an enumerated value for WIM compression type, return a descriptive
994  * string. */
995 static const tchar *
996 get_data_type(int ctype)
997 {
998         switch (ctype) {
999         case WIMLIB_COMPRESSION_TYPE_NONE:
1000                 return T("uncompressed");
1001         case WIMLIB_COMPRESSION_TYPE_LZX:
1002                 return T("LZX-compressed");
1003         case WIMLIB_COMPRESSION_TYPE_XPRESS:
1004                 return T("XPRESS-compressed");
1005         }
1006         return NULL;
1007 }
1008
1009 #define GIBIBYTE_MIN_NBYTES 10000000000ULL
1010 #define MEBIBYTE_MIN_NBYTES 10000000ULL
1011 #define KIBIBYTE_MIN_NBYTES 10000ULL
1012
1013 static unsigned
1014 get_unit(uint64_t total_bytes, const tchar **name_ret)
1015 {
1016         if (total_bytes >= GIBIBYTE_MIN_NBYTES) {
1017                 *name_ret = T("GiB");
1018                 return 30;
1019         } else if (total_bytes >= MEBIBYTE_MIN_NBYTES) {
1020                 *name_ret = T("MiB");
1021                 return 20;
1022         } else if (total_bytes >= KIBIBYTE_MIN_NBYTES) {
1023                 *name_ret = T("KiB");
1024                 return 10;
1025         } else {
1026                 *name_ret = T("bytes");
1027                 return 0;
1028         }
1029 }
1030
1031 /* Progress callback function passed to various wimlib functions. */
1032 static int
1033 imagex_progress_func(enum wimlib_progress_msg msg,
1034                      const union wimlib_progress_info *info)
1035 {
1036         unsigned percent_done;
1037         unsigned unit_shift;
1038         const tchar *unit_name;
1039         if (imagex_be_quiet)
1040                 return 0;
1041         switch (msg) {
1042         case WIMLIB_PROGRESS_MSG_WRITE_STREAMS:
1043                 unit_shift = get_unit(info->write_streams.total_bytes, &unit_name);
1044                 percent_done = TO_PERCENT(info->write_streams.completed_bytes,
1045                                           info->write_streams.total_bytes);
1046
1047                 if (info->write_streams.completed_streams == 0) {
1048                         const tchar *data_type;
1049
1050                         data_type = get_data_type(info->write_streams.compression_type);
1051                         imagex_printf(T("Writing %"TS" data using %u thread%"TS"\n"),
1052                                 data_type, info->write_streams.num_threads,
1053                                 (info->write_streams.num_threads == 1) ? T("") : T("s"));
1054                 }
1055                 if (info->write_streams.total_parts <= 1) {
1056                         imagex_printf(T("\r%"PRIu64" %"TS" of %"PRIu64" %"TS" (uncompressed) "
1057                                 "written (%u%% done)"),
1058                                 info->write_streams.completed_bytes >> unit_shift,
1059                                 unit_name,
1060                                 info->write_streams.total_bytes >> unit_shift,
1061                                 unit_name,
1062                                 percent_done);
1063                 } else {
1064                         imagex_printf(T("\rWriting resources from part %u of %u: "
1065                                   "%"PRIu64 " %"TS" of %"PRIu64" %"TS" (%u%%) written"),
1066                                 (info->write_streams.completed_parts ==
1067                                         info->write_streams.total_parts) ?
1068                                                 info->write_streams.completed_parts :
1069                                                 info->write_streams.completed_parts + 1,
1070                                 info->write_streams.total_parts,
1071                                 info->write_streams.completed_bytes >> unit_shift,
1072                                 unit_name,
1073                                 info->write_streams.total_bytes >> unit_shift,
1074                                 unit_name,
1075                                 percent_done);
1076                 }
1077                 if (info->write_streams.completed_bytes >= info->write_streams.total_bytes)
1078                         imagex_printf(T("\n"));
1079                 break;
1080         case WIMLIB_PROGRESS_MSG_SCAN_BEGIN:
1081                 imagex_printf(T("Scanning \"%"TS"\""), info->scan.source);
1082                 if (*info->scan.wim_target_path) {
1083                         imagex_printf(T(" (loading as WIM path: "
1084                                   "\""WIMLIB_WIM_PATH_SEPARATOR_STRING"%"TS"\")...\n"),
1085                                info->scan.wim_target_path);
1086                 } else {
1087                         imagex_printf(T(" (loading as root of WIM image)...\n"));
1088                 }
1089                 break;
1090         case WIMLIB_PROGRESS_MSG_SCAN_DENTRY:
1091                 switch (info->scan.status) {
1092                 case WIMLIB_SCAN_DENTRY_OK:
1093                         imagex_printf(T("Scanning \"%"TS"\"\n"), info->scan.cur_path);
1094                         break;
1095                 case WIMLIB_SCAN_DENTRY_EXCLUDED:
1096                         imagex_printf(T("Excluding \"%"TS"\" from capture\n"), info->scan.cur_path);
1097                         break;
1098                 case WIMLIB_SCAN_DENTRY_UNSUPPORTED:
1099                         imagex_printf(T("WARNING: Excluding unsupported file or directory\n"
1100                                         "         \"%"TS"\" from capture\n"), info->scan.cur_path);
1101                         break;
1102                 }
1103                 break;
1104         case WIMLIB_PROGRESS_MSG_VERIFY_INTEGRITY:
1105                 unit_shift = get_unit(info->integrity.total_bytes, &unit_name);
1106                 percent_done = TO_PERCENT(info->integrity.completed_bytes,
1107                                           info->integrity.total_bytes);
1108                 imagex_printf(T("\rVerifying integrity of \"%"TS"\": %"PRIu64" %"TS" "
1109                         "of %"PRIu64" %"TS" (%u%%) done"),
1110                         info->integrity.filename,
1111                         info->integrity.completed_bytes >> unit_shift,
1112                         unit_name,
1113                         info->integrity.total_bytes >> unit_shift,
1114                         unit_name,
1115                         percent_done);
1116                 if (info->integrity.completed_bytes == info->integrity.total_bytes)
1117                         imagex_printf(T("\n"));
1118                 break;
1119         case WIMLIB_PROGRESS_MSG_CALC_INTEGRITY:
1120                 unit_shift = get_unit(info->integrity.total_bytes, &unit_name);
1121                 percent_done = TO_PERCENT(info->integrity.completed_bytes,
1122                                           info->integrity.total_bytes);
1123                 imagex_printf(T("\rCalculating integrity table for WIM: %"PRIu64" %"TS" "
1124                           "of %"PRIu64" %"TS" (%u%%) done"),
1125                         info->integrity.completed_bytes >> unit_shift,
1126                         unit_name,
1127                         info->integrity.total_bytes >> unit_shift,
1128                         unit_name,
1129                         percent_done);
1130                 if (info->integrity.completed_bytes == info->integrity.total_bytes)
1131                         imagex_printf(T("\n"));
1132                 break;
1133         case WIMLIB_PROGRESS_MSG_EXTRACT_IMAGE_BEGIN:
1134                 imagex_printf(T("Applying image %d (\"%"TS"\") from \"%"TS"\" "
1135                           "to %"TS" \"%"TS"\"\n"),
1136                         info->extract.image,
1137                         info->extract.image_name,
1138                         info->extract.wimfile_name,
1139                         ((info->extract.extract_flags & WIMLIB_EXTRACT_FLAG_NTFS) ?
1140                          T("NTFS volume") : T("directory")),
1141                         info->extract.target);
1142                 break;
1143         case WIMLIB_PROGRESS_MSG_EXTRACT_TREE_BEGIN:
1144                 imagex_printf(T("Extracting "
1145                           "\""WIMLIB_WIM_PATH_SEPARATOR_STRING"%"TS"\" from image %d (\"%"TS"\") "
1146                           "in \"%"TS"\" to \"%"TS"\"\n"),
1147                         info->extract.extract_root_wim_source_path,
1148                         info->extract.image,
1149                         info->extract.image_name,
1150                         info->extract.wimfile_name,
1151                         info->extract.target);
1152                 break;
1153         case WIMLIB_PROGRESS_MSG_EXTRACT_STREAMS:
1154                 percent_done = TO_PERCENT(info->extract.completed_bytes,
1155                                           info->extract.total_bytes);
1156                 unit_shift = get_unit(info->extract.total_bytes, &unit_name);
1157                 imagex_printf(T("\rExtracting files: "
1158                           "%"PRIu64" %"TS" of %"PRIu64" %"TS" (%u%%) done"),
1159                         info->extract.completed_bytes >> unit_shift,
1160                         unit_name,
1161                         info->extract.total_bytes >> unit_shift,
1162                         unit_name,
1163                         percent_done);
1164                 if (info->extract.completed_bytes >= info->extract.total_bytes)
1165                         imagex_printf(T("\n"));
1166                 break;
1167         case WIMLIB_PROGRESS_MSG_EXTRACT_SPWM_PART_BEGIN:
1168                 if (info->extract.total_parts != 1) {
1169                         imagex_printf(T("\nReading split pipable WIM part %u of %u\n"),
1170                                       info->extract.part_number,
1171                                       info->extract.total_parts);
1172                 }
1173                 break;
1174         case WIMLIB_PROGRESS_MSG_APPLY_TIMESTAMPS:
1175                 if (info->extract.extract_root_wim_source_path[0] == T('\0'))
1176                         imagex_printf(T("Setting timestamps on all extracted files...\n"));
1177                 break;
1178         case WIMLIB_PROGRESS_MSG_EXTRACT_IMAGE_END:
1179                 if (info->extract.extract_flags & WIMLIB_EXTRACT_FLAG_NTFS) {
1180                         imagex_printf(T("Unmounting NTFS volume \"%"TS"\"...\n"),
1181                                 info->extract.target);
1182                 }
1183                 break;
1184         case WIMLIB_PROGRESS_MSG_SPLIT_BEGIN_PART:
1185                 percent_done = TO_PERCENT(info->split.completed_bytes,
1186                                           info->split.total_bytes);
1187                 unit_shift = get_unit(info->split.total_bytes, &unit_name);
1188                 imagex_printf(T("Writing \"%"TS"\" (part %u of %u): %"PRIu64" %"TS" of "
1189                           "%"PRIu64" %"TS" (%u%%) written\n"),
1190                         info->split.part_name,
1191                         info->split.cur_part_number,
1192                         info->split.total_parts,
1193                         info->split.completed_bytes >> unit_shift,
1194                         unit_name,
1195                         info->split.total_bytes >> unit_shift,
1196                         unit_name,
1197                         percent_done);
1198                 break;
1199         case WIMLIB_PROGRESS_MSG_SPLIT_END_PART:
1200                 if (info->split.completed_bytes == info->split.total_bytes) {
1201                         imagex_printf(T("Finished writing split WIM part %u of %u\n"),
1202                                 info->split.cur_part_number,
1203                                 info->split.total_parts);
1204                 }
1205                 break;
1206         case WIMLIB_PROGRESS_MSG_UPDATE_END_COMMAND:
1207                 switch (info->update.command->op) {
1208                 case WIMLIB_UPDATE_OP_DELETE:
1209                         imagex_printf(T("Deleted WIM path "
1210                                   "\""WIMLIB_WIM_PATH_SEPARATOR_STRING "%"TS"\"\n"),
1211                                 info->update.command->delete_.wim_path);
1212                         break;
1213                 case WIMLIB_UPDATE_OP_RENAME:
1214                         imagex_printf(T("Renamed WIM path "
1215                                   "\""WIMLIB_WIM_PATH_SEPARATOR_STRING "%"TS"\" => "
1216                                   "\""WIMLIB_WIM_PATH_SEPARATOR_STRING "%"TS"\"\n"),
1217                                 info->update.command->rename.wim_source_path,
1218                                 info->update.command->rename.wim_target_path);
1219                         break;
1220                 case WIMLIB_UPDATE_OP_ADD:
1221                 default:
1222                         break;
1223                 }
1224                 break;
1225         default:
1226                 break;
1227         }
1228         fflush(imagex_info_file);
1229         return 0;
1230 }
1231
1232 static unsigned
1233 parse_num_threads(const tchar *optarg)
1234 {
1235         tchar *tmp;
1236         unsigned long ul_nthreads = tstrtoul(optarg, &tmp, 10);
1237         if (ul_nthreads >= UINT_MAX || *tmp || tmp == optarg) {
1238                 imagex_error(T("Number of threads must be a non-negative integer!"));
1239                 return UINT_MAX;
1240         } else {
1241                 return ul_nthreads;
1242         }
1243 }
1244
1245 /*
1246  * Parse an option passed to an update command.
1247  *
1248  * @op:         One of WIMLIB_UPDATE_OP_* that indicates the command being
1249  *              parsed.
1250  *
1251  * @option:     Text string for the option (beginning with --)
1252  *
1253  * @cmd:        `struct wimlib_update_command' that is being constructed for
1254  *              this command.
1255  *
1256  * Returns true if the option was recognized; false if not.
1257  */
1258 static bool
1259 update_command_add_option(int op, const tchar *option,
1260                           struct wimlib_update_command *cmd)
1261 {
1262         bool recognized = true;
1263         switch (op) {
1264         case WIMLIB_UPDATE_OP_ADD:
1265                 if (!tstrcmp(option, T("--verbose")))
1266                         cmd->add.add_flags |= WIMLIB_ADD_FLAG_VERBOSE;
1267                 else if (!tstrcmp(option, T("--unix-data")))
1268                         cmd->add.add_flags |= WIMLIB_ADD_FLAG_UNIX_DATA;
1269                 else if (!tstrcmp(option, T("--no-acls")) || !tstrcmp(option, T("--noacls")))
1270                         cmd->add.add_flags |= WIMLIB_ADD_FLAG_NO_ACLS;
1271                 else if (!tstrcmp(option, T("--strict-acls")))
1272                         cmd->add.add_flags |= WIMLIB_ADD_FLAG_STRICT_ACLS;
1273                 else if (!tstrcmp(option, T("--dereference")))
1274                         cmd->add.add_flags |= WIMLIB_ADD_FLAG_DEREFERENCE;
1275                 else
1276                         recognized = false;
1277                 break;
1278         case WIMLIB_UPDATE_OP_DELETE:
1279                 if (!tstrcmp(option, T("--force")))
1280                         cmd->delete_.delete_flags |= WIMLIB_DELETE_FLAG_FORCE;
1281                 else if (!tstrcmp(option, T("--recursive")))
1282                         cmd->delete_.delete_flags |= WIMLIB_DELETE_FLAG_RECURSIVE;
1283                 else
1284                         recognized = false;
1285                 break;
1286         default:
1287                 recognized = false;
1288                 break;
1289         }
1290         return recognized;
1291 }
1292
1293 /* How many nonoption arguments each `imagex update' command expects */
1294 static const unsigned update_command_num_nonoptions[] = {
1295         [WIMLIB_UPDATE_OP_ADD] = 2,
1296         [WIMLIB_UPDATE_OP_DELETE] = 1,
1297         [WIMLIB_UPDATE_OP_RENAME] = 2,
1298 };
1299
1300 static void
1301 update_command_add_nonoption(int op, const tchar *nonoption,
1302                              struct wimlib_update_command *cmd,
1303                              unsigned num_nonoptions)
1304 {
1305         switch (op) {
1306         case WIMLIB_UPDATE_OP_ADD:
1307                 if (num_nonoptions == 0)
1308                         cmd->add.fs_source_path = (tchar*)nonoption;
1309                 else
1310                         cmd->add.wim_target_path = (tchar*)nonoption;
1311                 break;
1312         case WIMLIB_UPDATE_OP_DELETE:
1313                 cmd->delete_.wim_path = (tchar*)nonoption;
1314                 break;
1315         case WIMLIB_UPDATE_OP_RENAME:
1316                 if (num_nonoptions == 0)
1317                         cmd->rename.wim_source_path = (tchar*)nonoption;
1318                 else
1319                         cmd->rename.wim_target_path = (tchar*)nonoption;
1320                 break;
1321         }
1322 }
1323
1324 /*
1325  * Parse a command passed on stdin to `imagex update'.
1326  *
1327  * @line:       Text of the command.
1328  * @len:        Length of the line, including a null terminator
1329  *              at line[len - 1].
1330  *
1331  * @command:    A `struct wimlib_update_command' to fill in from the parsed
1332  *              line.
1333  *
1334  * @line_number: Line number of the command, for diagnostics.
1335  *
1336  * Returns true on success; returns false on parse error.
1337  */
1338 static bool
1339 parse_update_command(tchar *line, size_t len,
1340                      struct wimlib_update_command *command,
1341                      size_t line_number)
1342 {
1343         int ret;
1344         tchar *command_name;
1345         int op;
1346         size_t num_nonoptions;
1347
1348         /* Get the command name ("add", "delete", "rename") */
1349         ret = parse_string(&line, &len, &command_name);
1350         if (ret != PARSE_STRING_SUCCESS)
1351                 return false;
1352
1353         if (!tstrcasecmp(command_name, T("add"))) {
1354                 op = WIMLIB_UPDATE_OP_ADD;
1355         } else if (!tstrcasecmp(command_name, T("delete"))) {
1356                 op = WIMLIB_UPDATE_OP_DELETE;
1357         } else if (!tstrcasecmp(command_name, T("rename"))) {
1358                 op = WIMLIB_UPDATE_OP_RENAME;
1359         } else {
1360                 imagex_error(T("Unknown update command \"%"TS"\" on line %zu"),
1361                              command_name, line_number);
1362                 return false;
1363         }
1364         command->op = op;
1365
1366         /* Parse additional options and non-options as needed */
1367         num_nonoptions = 0;
1368         for (;;) {
1369                 tchar *next_string;
1370
1371                 ret = parse_string(&line, &len, &next_string);
1372                 if (ret == PARSE_STRING_NONE) /* End of line */
1373                         break;
1374                 else if (ret != PARSE_STRING_SUCCESS) /* Parse failure */
1375                         return false;
1376                 if (next_string[0] == T('-') && next_string[1] == T('-')) {
1377                         /* Option */
1378                         if (!update_command_add_option(op, next_string, command))
1379                         {
1380                                 imagex_error(T("Unrecognized option \"%"TS"\" to "
1381                                                "update command \"%"TS"\" on line %zu"),
1382                                              next_string, command_name, line_number);
1383
1384                                 return false;
1385                         }
1386                 } else {
1387                         /* Nonoption */
1388                         if (num_nonoptions == update_command_num_nonoptions[op])
1389                         {
1390                                 imagex_error(T("Unexpected argument \"%"TS"\" in "
1391                                                "update command on line %zu\n"
1392                                                "       (The \"%"TS"\" command only "
1393                                                "takes %zu nonoption arguments!)\n"),
1394                                              next_string, line_number,
1395                                              command_name, num_nonoptions);
1396                                 return false;
1397                         }
1398                         update_command_add_nonoption(op, next_string,
1399                                                      command, num_nonoptions);
1400                         num_nonoptions++;
1401                 }
1402         }
1403
1404         if (num_nonoptions != update_command_num_nonoptions[op]) {
1405                 imagex_error(T("Not enough arguments to update command "
1406                                "\"%"TS"\" on line %zu"), command_name, line_number);
1407                 return false;
1408         }
1409         return true;
1410 }
1411
1412 static struct wimlib_update_command *
1413 parse_update_command_file(tchar **cmd_file_contents_p, size_t cmd_file_nchars,
1414                           size_t *num_cmds_ret)
1415 {
1416         ssize_t nlines;
1417         tchar *p;
1418         struct wimlib_update_command *cmds;
1419         size_t i, j;
1420
1421         nlines = text_file_count_lines(cmd_file_contents_p,
1422                                        &cmd_file_nchars);
1423         if (nlines < 0)
1424                 return NULL;
1425
1426         /* Always allocate at least 1 slot, just in case the implementation of
1427          * calloc() returns NULL if 0 bytes are requested. */
1428         cmds = calloc(nlines ?: 1, sizeof(struct wimlib_update_command));
1429         if (!cmds) {
1430                 imagex_error(T("out of memory"));
1431                 return NULL;
1432         }
1433         p = *cmd_file_contents_p;
1434         j = 0;
1435         for (i = 0; i < nlines; i++) {
1436                 /* XXX: Could use rawmemchr() here instead, but it may not be
1437                  * available on all platforms. */
1438                 tchar *endp = tmemchr(p, T('\n'), cmd_file_nchars);
1439                 size_t len = endp - p + 1;
1440                 *endp = T('\0');
1441                 if (!is_comment_line(p, len)) {
1442                         if (!parse_update_command(p, len, &cmds[j++], i + 1)) {
1443                                 free(cmds);
1444                                 return NULL;
1445                         }
1446                 }
1447                 p = endp + 1;
1448         }
1449         *num_cmds_ret = j;
1450         return cmds;
1451 }
1452
1453 /* Apply one image, or all images, from a WIM file into a directory, OR apply
1454  * one image from a WIM file to a NTFS volume.  */
1455 static int
1456 imagex_apply(int argc, tchar **argv, int cmd)
1457 {
1458         int c;
1459         int open_flags = 0;
1460         int image = WIMLIB_NO_IMAGE;
1461         WIMStruct *wim;
1462         struct wimlib_wim_info info;
1463         int ret;
1464         const tchar *wimfile;
1465         const tchar *target;
1466         const tchar *image_num_or_name = NULL;
1467         int extract_flags = WIMLIB_EXTRACT_FLAG_SEQUENTIAL;
1468
1469         STRING_SET(refglobs);
1470
1471         for_opt(c, apply_options) {
1472                 switch (c) {
1473                 case IMAGEX_CHECK_OPTION:
1474                         open_flags |= WIMLIB_OPEN_FLAG_CHECK_INTEGRITY;
1475                         break;
1476                 case IMAGEX_HARDLINK_OPTION:
1477                         extract_flags |= WIMLIB_EXTRACT_FLAG_HARDLINK;
1478                         break;
1479                 case IMAGEX_SYMLINK_OPTION:
1480                         extract_flags |= WIMLIB_EXTRACT_FLAG_SYMLINK;
1481                         break;
1482                 case IMAGEX_VERBOSE_OPTION:
1483                         extract_flags |= WIMLIB_EXTRACT_FLAG_VERBOSE;
1484                         break;
1485                 case IMAGEX_REF_OPTION:
1486                         ret = string_set_append(&refglobs, optarg);
1487                         if (ret)
1488                                 goto out_free_refglobs;
1489                         break;
1490                 case IMAGEX_UNIX_DATA_OPTION:
1491                         extract_flags |= WIMLIB_EXTRACT_FLAG_UNIX_DATA;
1492                         break;
1493                 case IMAGEX_NO_ACLS_OPTION:
1494                         extract_flags |= WIMLIB_EXTRACT_FLAG_NO_ACLS;
1495                         break;
1496                 case IMAGEX_STRICT_ACLS_OPTION:
1497                         extract_flags |= WIMLIB_EXTRACT_FLAG_STRICT_ACLS;
1498                         break;
1499                 case IMAGEX_NORPFIX_OPTION:
1500                         extract_flags |= WIMLIB_EXTRACT_FLAG_NORPFIX;
1501                         break;
1502                 case IMAGEX_RPFIX_OPTION:
1503                         extract_flags |= WIMLIB_EXTRACT_FLAG_RPFIX;
1504                         break;
1505                 case IMAGEX_INCLUDE_INVALID_NAMES_OPTION:
1506                         extract_flags |= WIMLIB_EXTRACT_FLAG_REPLACE_INVALID_FILENAMES;
1507                         extract_flags |= WIMLIB_EXTRACT_FLAG_ALL_CASE_CONFLICTS;
1508                         break;
1509                 case IMAGEX_RESUME_OPTION:
1510                         extract_flags |= WIMLIB_EXTRACT_FLAG_RESUME;
1511                         break;
1512                 default:
1513                         goto out_usage;
1514                 }
1515         }
1516         argc -= optind;
1517         argv += optind;
1518         if (argc != 2 && argc != 3)
1519                 goto out_usage;
1520
1521         wimfile = argv[0];
1522
1523         if (!tstrcmp(wimfile, T("-"))) {
1524                 /* Attempt to apply pipable WIM from standard input.  */
1525                 if (argc == 2) {
1526                         image_num_or_name = NULL;
1527                         target = argv[1];
1528                 } else {
1529                         image_num_or_name = argv[1];
1530                         target = argv[2];
1531                 }
1532                 wim = NULL;
1533         } else {
1534                 ret = wimlib_open_wim(wimfile, open_flags, &wim,
1535                                       imagex_progress_func);
1536                 if (ret)
1537                         goto out_free_refglobs;
1538
1539                 wimlib_get_wim_info(wim, &info);
1540
1541                 if (argc >= 3) {
1542                         /* Image explicitly specified.  */
1543                         image_num_or_name = argv[1];
1544                         image = wimlib_resolve_image(wim, image_num_or_name);
1545                         ret = verify_image_exists(image, image_num_or_name, wimfile);
1546                         if (ret)
1547                                 goto out_wimlib_free;
1548                         target = argv[2];
1549                 } else {
1550                         /* No image specified; default to image 1, but only if the WIM
1551                          * contains exactly one image.  */
1552
1553                         if (info.image_count != 1) {
1554                                 imagex_error(T("\"%"TS"\" contains %d images; "
1555                                                "Please select one (or all)."),
1556                                              wimfile, info.image_count);
1557                                 wimlib_free(wim);
1558                                 goto out_usage;
1559                         }
1560                         image = 1;
1561                         target = argv[1];
1562                 }
1563         }
1564
1565         if (refglobs.num_strings) {
1566                 if (wim == NULL) {
1567                         imagex_error(T("Can't specify --ref when applying from stdin!"));
1568                         ret = -1;
1569                         goto out_wimlib_free;
1570                 }
1571                 ret = wim_reference_globs(wim, &refglobs, open_flags);
1572                 if (ret)
1573                         goto out_wimlib_free;
1574         }
1575
1576 #ifndef __WIN32__
1577         {
1578                 /* Interpret a regular file or block device target as a NTFS
1579                  * volume.  */
1580                 struct stat stbuf;
1581
1582                 if (tstat(target, &stbuf)) {
1583                         if (errno != ENOENT) {
1584                                 imagex_error_with_errno(T("Failed to stat \"%"TS"\""),
1585                                                         target);
1586                                 ret = -1;
1587                                 goto out_wimlib_free;
1588                         }
1589                 } else {
1590                         if (S_ISBLK(stbuf.st_mode) || S_ISREG(stbuf.st_mode))
1591                                 extract_flags |= WIMLIB_EXTRACT_FLAG_NTFS;
1592                 }
1593         }
1594 #endif
1595
1596         if (wim) {
1597                 ret = wimlib_extract_image(wim, image, target, extract_flags,
1598                                            imagex_progress_func);
1599         } else {
1600                 set_fd_to_binary_mode(STDIN_FILENO);
1601                 ret = wimlib_extract_image_from_pipe(STDIN_FILENO,
1602                                                      image_num_or_name,
1603                                                      target, extract_flags,
1604                                                      imagex_progress_func);
1605         }
1606         if (ret == 0) {
1607                 imagex_printf(T("Done applying WIM image.\n"));
1608         } else if (ret == WIMLIB_ERR_RESOURCE_NOT_FOUND) {
1609                 if (wim) {
1610                         do_resource_not_found_warning(wimfile, &info, &refglobs);
1611                 } else {
1612                         imagex_error(T(        "If you are applying an image "
1613                                                "from a split pipable WIM,\n"
1614                                        "       make sure you have "
1615                                        "concatenated together all parts."));
1616                 }
1617         }
1618 out_wimlib_free:
1619         wimlib_free(wim);
1620 out_free_refglobs:
1621         string_set_destroy(&refglobs);
1622         return ret;
1623
1624 out_usage:
1625         usage(CMD_APPLY, stderr);
1626         ret = -1;
1627         goto out_free_refglobs;
1628 }
1629
1630 /* Create a WIM image from a directory tree, NTFS volume, or multiple files or
1631  * directory trees.  'wimlib-imagex capture': create a new WIM file containing
1632  * the desired image.  'wimlib-imagex append': add a new image to an existing
1633  * WIM file. */
1634 static int
1635 imagex_capture_or_append(int argc, tchar **argv, int cmd)
1636 {
1637         int c;
1638         int open_flags = WIMLIB_OPEN_FLAG_WRITE_ACCESS;
1639         int add_image_flags = WIMLIB_ADD_IMAGE_FLAG_EXCLUDE_VERBOSE |
1640                               WIMLIB_ADD_IMAGE_FLAG_WINCONFIG;
1641         int write_flags = 0;
1642         int compression_type = WIMLIB_COMPRESSION_TYPE_LZX;
1643         const tchar *wimfile;
1644         int wim_fd;
1645         const tchar *name;
1646         const tchar *desc;
1647         const tchar *flags_element = NULL;
1648
1649         WIMStruct *wim;
1650         WIMStruct *base_wim;
1651         const tchar *base_wimfile = NULL;
1652         WIMStruct *template_wim;
1653         const tchar *template_wimfile = NULL;
1654         const tchar *template_image_name_or_num = NULL;
1655         int template_image = WIMLIB_NO_IMAGE;
1656
1657         int ret;
1658         unsigned num_threads = 0;
1659
1660         tchar *source;
1661         tchar *source_copy;
1662
1663         const tchar *config_file = NULL;
1664         tchar *config_str;
1665         struct wimlib_capture_config *config;
1666
1667         bool source_list = false;
1668         size_t source_list_nchars = 0;
1669         tchar *source_list_contents;
1670         bool capture_sources_malloced;
1671         struct wimlib_capture_source *capture_sources;
1672         size_t num_sources;
1673         bool name_defaulted;
1674
1675         for_opt(c, capture_or_append_options) {
1676                 switch (c) {
1677                 case IMAGEX_BOOT_OPTION:
1678                         add_image_flags |= WIMLIB_ADD_IMAGE_FLAG_BOOT;
1679                         break;
1680                 case IMAGEX_CHECK_OPTION:
1681                         open_flags |= WIMLIB_OPEN_FLAG_CHECK_INTEGRITY;
1682                         write_flags |= WIMLIB_WRITE_FLAG_CHECK_INTEGRITY;
1683                         break;
1684                 case IMAGEX_NOCHECK_OPTION:
1685                         write_flags |= WIMLIB_WRITE_FLAG_NO_CHECK_INTEGRITY;
1686                         break;
1687                 case IMAGEX_CONFIG_OPTION:
1688                         config_file = optarg;
1689                         add_image_flags &= ~WIMLIB_ADD_IMAGE_FLAG_WINCONFIG;
1690                         break;
1691                 case IMAGEX_COMPRESS_OPTION:
1692                         compression_type = get_compression_type(optarg);
1693                         if (compression_type == WIMLIB_COMPRESSION_TYPE_INVALID)
1694                                 goto out_err;
1695                         break;
1696                 case IMAGEX_FLAGS_OPTION:
1697                         flags_element = optarg;
1698                         break;
1699                 case IMAGEX_DEREFERENCE_OPTION:
1700                         add_image_flags |= WIMLIB_ADD_IMAGE_FLAG_DEREFERENCE;
1701                         break;
1702                 case IMAGEX_VERBOSE_OPTION:
1703                         add_image_flags |= WIMLIB_ADD_IMAGE_FLAG_VERBOSE;
1704                         break;
1705                 case IMAGEX_THREADS_OPTION:
1706                         num_threads = parse_num_threads(optarg);
1707                         if (num_threads == UINT_MAX)
1708                                 goto out_err;
1709                         break;
1710                 case IMAGEX_REBUILD_OPTION:
1711                         write_flags |= WIMLIB_WRITE_FLAG_REBUILD;
1712                         break;
1713                 case IMAGEX_UNIX_DATA_OPTION:
1714                         add_image_flags |= WIMLIB_ADD_IMAGE_FLAG_UNIX_DATA;
1715                         break;
1716                 case IMAGEX_SOURCE_LIST_OPTION:
1717                         source_list = true;
1718                         break;
1719                 case IMAGEX_NO_ACLS_OPTION:
1720                         add_image_flags |= WIMLIB_ADD_IMAGE_FLAG_NO_ACLS;
1721                         break;
1722                 case IMAGEX_STRICT_ACLS_OPTION:
1723                         add_image_flags |= WIMLIB_ADD_IMAGE_FLAG_STRICT_ACLS;
1724                         break;
1725                 case IMAGEX_RPFIX_OPTION:
1726                         add_image_flags |= WIMLIB_ADD_IMAGE_FLAG_RPFIX;
1727                         break;
1728                 case IMAGEX_NORPFIX_OPTION:
1729                         add_image_flags |= WIMLIB_ADD_IMAGE_FLAG_NORPFIX;
1730                         break;
1731                 case IMAGEX_PIPABLE_OPTION:
1732                         write_flags |= WIMLIB_WRITE_FLAG_PIPABLE;
1733                         break;
1734                 case IMAGEX_NOT_PIPABLE_OPTION:
1735                         write_flags |= WIMLIB_WRITE_FLAG_NOT_PIPABLE;
1736                         break;
1737                 case IMAGEX_UPDATE_OF_OPTION:
1738                         if (template_image_name_or_num) {
1739                                 imagex_error(T("'--update-of' can only be "
1740                                                "specified one time!"));
1741                                 goto out_err;
1742                         } else {
1743                                 tchar *colon;
1744                                 colon = tstrrchr(optarg, T(':'));
1745
1746                                 if (colon) {
1747                                         template_wimfile = optarg;
1748                                         *colon = T('\0');
1749                                         template_image_name_or_num = colon + 1;
1750                                 } else {
1751                                         template_wimfile = NULL;
1752                                         template_image_name_or_num = optarg;
1753                                 }
1754                         }
1755                         break;
1756                 case IMAGEX_DELTA_FROM_OPTION:
1757                         if (cmd != CMD_CAPTURE) {
1758                                 imagex_error(T("'--delta-from' is only "
1759                                                "valid for capture!"));
1760                                 goto out_usage;
1761                         }
1762                         if (base_wimfile) {
1763                                 imagex_error(T("'--delta-from' can only be "
1764                                                "specified one time!"));
1765                                 goto out_err;
1766                         }
1767                         base_wimfile = optarg;
1768                         write_flags |= WIMLIB_WRITE_FLAG_SKIP_EXTERNAL_WIMS;
1769                         break;
1770                 default:
1771                         goto out_usage;
1772                 }
1773         }
1774         argc -= optind;
1775         argv += optind;
1776
1777         if (argc < 2 || argc > 4)
1778                 goto out_usage;
1779
1780         source = argv[0];
1781         wimfile = argv[1];
1782
1783         if (!tstrcmp(wimfile, T("-"))) {
1784                 /* Writing captured WIM to standard output.  */
1785         #if 0
1786                 if (!(write_flags & WIMLIB_WRITE_FLAG_PIPABLE)) {
1787                         imagex_error("Can't write a non-pipable WIM to "
1788                                      "standard output!  Specify --pipable\n"
1789                                      "       if you want to create a pipable WIM "
1790                                      "(but read the docs first).");
1791                         goto out_err;
1792                 }
1793         #else
1794                 write_flags |= WIMLIB_WRITE_FLAG_PIPABLE;
1795         #endif
1796                 if (cmd == CMD_APPEND) {
1797                         imagex_error(T("Using standard output for append does "
1798                                        "not make sense."));
1799                         goto out_err;
1800                 }
1801                 wim_fd = STDOUT_FILENO;
1802                 wimfile = NULL;
1803                 imagex_info_file = stderr;
1804                 set_fd_to_binary_mode(wim_fd);
1805         }
1806
1807         /* If template image was specified using --update-of=IMAGE rather
1808          * than --update-of=WIMFILE:IMAGE, set the default WIMFILE.  */
1809         if (template_image_name_or_num && !template_wimfile) {
1810                 if (base_wimfile) {
1811                         /* Capturing delta WIM:  default to base WIM.  */
1812                         template_wimfile = base_wimfile;
1813                 } else if (cmd == CMD_APPEND) {
1814                         /* Appending to WIM:  default to WIM being appended to.
1815                          */
1816                         template_wimfile = wimfile;
1817                 } else {
1818                         /* Capturing a normal (non-delta) WIM, so the WIM file
1819                          * *must* be explicitly specified.  */
1820                         imagex_error(T("For capture of non-delta WIM, "
1821                                        "'--update-of' must specify "
1822                                        "WIMFILE:IMAGE!"));
1823                         goto out_usage;
1824                 }
1825         }
1826
1827         if (argc >= 3) {
1828                 name = argv[2];
1829                 name_defaulted = false;
1830         } else {
1831                 /* Set default name to SOURCE argument, omitting any directory
1832                  * prefixes and trailing slashes.  This requires making a copy
1833                  * of @source.  Leave some free characters at the end in case we
1834                  * append a number to keep the name unique. */
1835                 size_t source_name_len;
1836
1837                 source_name_len = tstrlen(source);
1838                 source_copy = alloca((source_name_len + 1 + 25) * sizeof(tchar));
1839                 name = tbasename(tstrcpy(source_copy, source));
1840                 name_defaulted = true;
1841         }
1842         /* Image description defaults to NULL if not given. */
1843         if (argc >= 4)
1844                 desc = argv[3];
1845         else
1846                 desc = NULL;
1847
1848         if (source_list) {
1849                 /* Set up capture sources in source list mode */
1850                 if (source[0] == T('-') && source[1] == T('\0')) {
1851                         source_list_contents = stdin_get_text_contents(&source_list_nchars);
1852                 } else {
1853                         source_list_contents = file_get_text_contents(source,
1854                                                                       &source_list_nchars);
1855                 }
1856                 if (!source_list_contents)
1857                         goto out_err;
1858
1859                 capture_sources = parse_source_list(&source_list_contents,
1860                                                     source_list_nchars,
1861                                                     &num_sources);
1862                 if (!capture_sources) {
1863                         ret = -1;
1864                         goto out_free_source_list_contents;
1865                 }
1866                 capture_sources_malloced = true;
1867         } else {
1868                 /* Set up capture source in non-source-list mode.  */
1869                 capture_sources = alloca(sizeof(struct wimlib_capture_source));
1870                 capture_sources[0].fs_source_path = source;
1871                 capture_sources[0].wim_target_path = NULL;
1872                 capture_sources[0].reserved = 0;
1873                 num_sources = 1;
1874                 capture_sources_malloced = false;
1875                 source_list_contents = NULL;
1876         }
1877
1878         if (config_file) {
1879                 /* Read and parse capture configuration file.  */
1880                 size_t config_len;
1881
1882                 config_str = file_get_text_contents(config_file, &config_len);
1883                 if (!config_str) {
1884                         ret = -1;
1885                         goto out_free_capture_sources;
1886                 }
1887
1888                 config = alloca(sizeof(*config));
1889                 ret = parse_capture_config(&config_str, config_len, config);
1890                 if (ret)
1891                         goto out_free_config;
1892         } else {
1893                 /* No capture configuration file specified; use default
1894                  * configuration for capturing Windows operating systems.  */
1895                 config = NULL;
1896                 add_image_flags |= WIMLIB_ADD_FLAG_WINCONFIG;
1897         }
1898
1899         /* Open the existing WIM, or create a new one.  */
1900         if (cmd == CMD_APPEND)
1901                 ret = wimlib_open_wim(wimfile, open_flags, &wim,
1902                                       imagex_progress_func);
1903         else
1904                 ret = wimlib_create_new_wim(compression_type, &wim);
1905         if (ret)
1906                 goto out_free_config;
1907
1908 #ifndef __WIN32__
1909         /* Detect if source is regular file or block device and set NTFS volume
1910          * capture mode.  */
1911         if (!source_list) {
1912                 struct stat stbuf;
1913
1914                 if (tstat(source, &stbuf) == 0) {
1915                         if (S_ISBLK(stbuf.st_mode) || S_ISREG(stbuf.st_mode)) {
1916                                 imagex_printf(T("Capturing WIM image from NTFS "
1917                                           "filesystem on \"%"TS"\"\n"), source);
1918                                 add_image_flags |= WIMLIB_ADD_IMAGE_FLAG_NTFS;
1919                         }
1920                 } else {
1921                         if (errno != ENOENT) {
1922                                 imagex_error_with_errno(T("Failed to stat "
1923                                                           "\"%"TS"\""), source);
1924                                 ret = -1;
1925                                 goto out_free_wim;
1926                         }
1927                 }
1928         }
1929 #endif
1930
1931         /* If the user did not specify an image name, and the basename of the
1932          * source already exists as an image name in the WIM file, append a
1933          * suffix to make it unique. */
1934         if (cmd == CMD_APPEND && name_defaulted) {
1935                 unsigned long conflict_idx;
1936                 tchar *name_end = tstrchr(name, T('\0'));
1937                 for (conflict_idx = 1;
1938                      wimlib_image_name_in_use(wim, name);
1939                      conflict_idx++)
1940                 {
1941                         tsprintf(name_end, T(" (%lu)"), conflict_idx);
1942                 }
1943         }
1944
1945         /* If capturing a delta WIM, reference resources from the base WIM
1946          * before adding the new image.  */
1947         if (base_wimfile) {
1948                 ret = wimlib_open_wim(base_wimfile, open_flags,
1949                                       &base_wim, imagex_progress_func);
1950                 if (ret)
1951                         goto out_free_wim;
1952
1953                 imagex_printf(T("Capturing delta WIM based on \"%"TS"\"\n"),
1954                               base_wimfile);
1955
1956                 ret = wimlib_reference_resources(wim, &base_wim, 1, 0);
1957                 if (ret)
1958                         goto out_free_base_wim;
1959         } else {
1960                 base_wim = NULL;
1961         }
1962
1963         /* If capturing or appending as an update of an existing (template) image,
1964          * open the WIM if needed and parse the image index.  */
1965         if (template_image_name_or_num) {
1966
1967
1968                 if (template_wimfile == base_wimfile) {
1969                         template_wim = base_wim;
1970                 } else if (template_wimfile == wimfile) {
1971                         template_wim = wim;
1972                 } else {
1973                         ret = wimlib_open_wim(template_wimfile, open_flags,
1974                                               &template_wim, imagex_progress_func);
1975                         if (ret)
1976                                 goto out_free_base_wim;
1977                 }
1978
1979                 template_image = wimlib_resolve_image(template_wim,
1980                                                       template_image_name_or_num);
1981
1982                 if (template_image_name_or_num[0] == T('-')) {
1983                         tchar *tmp;
1984                         unsigned long n;
1985                         struct wimlib_wim_info info;
1986
1987                         wimlib_get_wim_info(template_wim, &info);
1988                         n = tstrtoul(template_image_name_or_num + 1, &tmp, 10);
1989                         if (n >= 1 && n <= info.image_count &&
1990                             *tmp == T('\0') &&
1991                             tmp != template_image_name_or_num + 1)
1992                         {
1993                                 template_image = info.image_count - (n - 1);
1994                         }
1995                 }
1996                 ret = verify_image_exists_and_is_single(template_image,
1997                                                         template_image_name_or_num,
1998                                                         template_wimfile);
1999                 if (ret)
2000                         goto out_free_template_wim;
2001         } else {
2002                 template_wim = NULL;
2003         }
2004
2005         ret = wimlib_add_image_multisource(wim,
2006                                            capture_sources,
2007                                            num_sources,
2008                                            name,
2009                                            config,
2010                                            add_image_flags,
2011                                            imagex_progress_func);
2012         if (ret)
2013                 goto out_free_template_wim;
2014
2015         if (desc || flags_element || template_image_name_or_num) {
2016                 /* User provided <DESCRIPTION> or <FLAGS> element, or an image
2017                  * on which the added one is to be based has been specified with
2018                  * --update-of.  Get the index of the image we just
2019                  *  added, then use it to call the appropriate functions.  */
2020                 struct wimlib_wim_info info;
2021
2022                 wimlib_get_wim_info(wim, &info);
2023
2024                 if (desc) {
2025                         ret = wimlib_set_image_descripton(wim,
2026                                                           info.image_count,
2027                                                           desc);
2028                         if (ret)
2029                                 goto out_free_template_wim;
2030                 }
2031
2032                 if (flags_element) {
2033                         ret = wimlib_set_image_flags(wim, info.image_count,
2034                                                      flags_element);
2035                         if (ret)
2036                                 goto out_free_template_wim;
2037                 }
2038
2039                 /* Reference template image if the user provided one.  */
2040                 if (template_image_name_or_num) {
2041                         imagex_printf(T("Using image %d "
2042                                         "from \"%"TS"\" as template\n"),
2043                                         template_image, template_wimfile);
2044                         ret = wimlib_reference_template_image(wim,
2045                                                               info.image_count,
2046                                                               template_wim,
2047                                                               template_image,
2048                                                               0, NULL);
2049                         if (ret)
2050                                 goto out_free_template_wim;
2051                 }
2052         }
2053
2054         /* Write the new WIM or overwrite the existing WIM with the new image
2055          * appended.  */
2056         if (cmd == CMD_APPEND) {
2057                 ret = wimlib_overwrite(wim, write_flags, num_threads,
2058                                        imagex_progress_func);
2059         } else if (wimfile) {
2060                 ret = wimlib_write(wim, wimfile, WIMLIB_ALL_IMAGES,
2061                                    write_flags, num_threads,
2062                                    imagex_progress_func);
2063         } else {
2064                 ret = wimlib_write_to_fd(wim, wim_fd, WIMLIB_ALL_IMAGES,
2065                                          write_flags, num_threads,
2066                                          imagex_progress_func);
2067         }
2068 out_free_template_wim:
2069         /* template_wim may alias base_wim or wim.  */
2070         if (template_wim != base_wim && template_wim != wim)
2071                 wimlib_free(template_wim);
2072 out_free_base_wim:
2073         wimlib_free(base_wim);
2074 out_free_wim:
2075         wimlib_free(wim);
2076 out_free_config:
2077         if (config) {
2078                 free(config->exclusion_pats.pats);
2079                 free(config->exclusion_exception_pats.pats);
2080                 free(config_str);
2081         }
2082 out_free_capture_sources:
2083         if (capture_sources_malloced)
2084                 free(capture_sources);
2085 out_free_source_list_contents:
2086         free(source_list_contents);
2087 out:
2088         return ret;
2089
2090 out_usage:
2091         usage(cmd, stderr);
2092 out_err:
2093         ret = -1;
2094         goto out;
2095 }
2096
2097 /* Remove image(s) from a WIM. */
2098 static int
2099 imagex_delete(int argc, tchar **argv, int cmd)
2100 {
2101         int c;
2102         int open_flags = WIMLIB_OPEN_FLAG_WRITE_ACCESS;
2103         int write_flags = 0;
2104         const tchar *wimfile;
2105         const tchar *image_num_or_name;
2106         WIMStruct *wim;
2107         int image;
2108         int ret;
2109
2110         for_opt(c, delete_options) {
2111                 switch (c) {
2112                 case IMAGEX_CHECK_OPTION:
2113                         open_flags |= WIMLIB_OPEN_FLAG_CHECK_INTEGRITY;
2114                         write_flags |= WIMLIB_WRITE_FLAG_CHECK_INTEGRITY;
2115                         break;
2116                 case IMAGEX_SOFT_OPTION:
2117                         write_flags |= WIMLIB_WRITE_FLAG_SOFT_DELETE;
2118                         break;
2119                 default:
2120                         goto out_usage;
2121                 }
2122         }
2123         argc -= optind;
2124         argv += optind;
2125
2126         if (argc != 2) {
2127                 if (argc < 1)
2128                         imagex_error(T("Must specify a WIM file"));
2129                 if (argc < 2)
2130                         imagex_error(T("Must specify an image"));
2131                 goto out_usage;
2132         }
2133         wimfile = argv[0];
2134         image_num_or_name = argv[1];
2135
2136         ret = wimlib_open_wim(wimfile, open_flags, &wim,
2137                               imagex_progress_func);
2138         if (ret)
2139                 goto out;
2140
2141         image = wimlib_resolve_image(wim, image_num_or_name);
2142
2143         ret = verify_image_exists(image, image_num_or_name, wimfile);
2144         if (ret)
2145                 goto out_wimlib_free;
2146
2147         ret = wimlib_delete_image(wim, image);
2148         if (ret) {
2149                 imagex_error(T("Failed to delete image from \"%"TS"\""),
2150                              wimfile);
2151                 goto out_wimlib_free;
2152         }
2153
2154         ret = wimlib_overwrite(wim, write_flags, 0, imagex_progress_func);
2155         if (ret) {
2156                 imagex_error(T("Failed to write the file \"%"TS"\" with image "
2157                                "deleted"), wimfile);
2158         }
2159 out_wimlib_free:
2160         wimlib_free(wim);
2161 out:
2162         return ret;
2163
2164 out_usage:
2165         usage(CMD_DELETE, stderr);
2166         ret = -1;
2167         goto out;
2168 }
2169
2170 static int
2171 print_full_path(const struct wimlib_dir_entry *wdentry, void *_ignore)
2172 {
2173         int ret = tprintf(T("%"TS"\n"), wdentry->full_path);
2174         return (ret >= 0) ? 0 : -1;
2175 }
2176
2177 /* Print the files contained in an image(s) in a WIM file. */
2178 static int
2179 imagex_dir(int argc, tchar **argv, int cmd)
2180 {
2181         const tchar *wimfile;
2182         WIMStruct *wim = NULL;
2183         int image;
2184         int ret;
2185         const tchar *path = T("");
2186         int c;
2187
2188         for_opt(c, dir_options) {
2189                 switch (c) {
2190                 case IMAGEX_PATH_OPTION:
2191                         path = optarg;
2192                         break;
2193                 default:
2194                         goto out_usage;
2195                 }
2196         }
2197         argc -= optind;
2198         argv += optind;
2199
2200         if (argc < 1) {
2201                 imagex_error(T("Must specify a WIM file"));
2202                 goto out_usage;
2203         }
2204         if (argc > 2) {
2205                 imagex_error(T("Too many arguments"));
2206                 goto out_usage;
2207         }
2208
2209         wimfile = argv[0];
2210         ret = wimlib_open_wim(wimfile, 0, &wim, imagex_progress_func);
2211         if (ret)
2212                 goto out;
2213
2214         if (argc >= 2) {
2215                 image = wimlib_resolve_image(wim, argv[1]);
2216                 ret = verify_image_exists(image, argv[1], wimfile);
2217                 if (ret)
2218                         goto out_wimlib_free;
2219         } else {
2220                 /* No image specified; default to image 1, but only if the WIM
2221                  * contains exactly one image.  */
2222
2223                 struct wimlib_wim_info info;
2224
2225                 wimlib_get_wim_info(wim, &info);
2226                 if (info.image_count != 1) {
2227                         imagex_error(T("\"%"TS"\" contains %d images; Please "
2228                                        "select one (or all)."),
2229                                      wimfile, info.image_count);
2230                         wimlib_free(wim);
2231                         goto out_usage;
2232                 }
2233                 image = 1;
2234         }
2235
2236         ret = wimlib_iterate_dir_tree(wim, image, path,
2237                                       WIMLIB_ITERATE_DIR_TREE_FLAG_RECURSIVE,
2238                                       print_full_path, NULL);
2239 out_wimlib_free:
2240         wimlib_free(wim);
2241 out:
2242         return ret;
2243
2244 out_usage:
2245         usage(CMD_DIR, stderr);
2246         ret = -1;
2247         goto out;
2248 }
2249
2250 /* Exports one, or all, images from a WIM file to a new WIM file or an existing
2251  * WIM file. */
2252 static int
2253 imagex_export(int argc, tchar **argv, int cmd)
2254 {
2255         int c;
2256         int open_flags = 0;
2257         int export_flags = 0;
2258         int write_flags = 0;
2259         int compression_type = WIMLIB_COMPRESSION_TYPE_INVALID;
2260         const tchar *src_wimfile;
2261         const tchar *src_image_num_or_name;
2262         const tchar *dest_wimfile;
2263         int dest_wim_fd;
2264         const tchar *dest_name;
2265         const tchar *dest_desc;
2266         WIMStruct *src_wim;
2267         struct wimlib_wim_info src_info;
2268         WIMStruct *dest_wim;
2269         int ret;
2270         int image;
2271         struct stat stbuf;
2272         bool wim_is_new;
2273         STRING_SET(refglobs);
2274         unsigned num_threads = 0;
2275
2276         for_opt(c, export_options) {
2277                 switch (c) {
2278                 case IMAGEX_BOOT_OPTION:
2279                         export_flags |= WIMLIB_EXPORT_FLAG_BOOT;
2280                         break;
2281                 case IMAGEX_CHECK_OPTION:
2282                         open_flags |= WIMLIB_OPEN_FLAG_CHECK_INTEGRITY;
2283                         write_flags |= WIMLIB_WRITE_FLAG_CHECK_INTEGRITY;
2284                         break;
2285                 case IMAGEX_NOCHECK_OPTION:
2286                         write_flags |= WIMLIB_WRITE_FLAG_NO_CHECK_INTEGRITY;
2287                         break;
2288                 case IMAGEX_COMPRESS_OPTION:
2289                         compression_type = get_compression_type(optarg);
2290                         if (compression_type == WIMLIB_COMPRESSION_TYPE_INVALID)
2291                                 goto out_err;
2292                         break;
2293                 case IMAGEX_REF_OPTION:
2294                         ret = string_set_append(&refglobs, optarg);
2295                         if (ret)
2296                                 goto out_free_refglobs;
2297                         break;
2298                 case IMAGEX_THREADS_OPTION:
2299                         num_threads = parse_num_threads(optarg);
2300                         if (num_threads == UINT_MAX)
2301                                 goto out_err;
2302                         break;
2303                 case IMAGEX_REBUILD_OPTION:
2304                         write_flags |= WIMLIB_WRITE_FLAG_REBUILD;
2305                         break;
2306                 case IMAGEX_PIPABLE_OPTION:
2307                         write_flags |= WIMLIB_WRITE_FLAG_PIPABLE;
2308                         break;
2309                 case IMAGEX_NOT_PIPABLE_OPTION:
2310                         write_flags |= WIMLIB_WRITE_FLAG_NOT_PIPABLE;
2311                         break;
2312                 default:
2313                         goto out_usage;
2314                 }
2315         }
2316         argc -= optind;
2317         argv += optind;
2318         if (argc < 3 || argc > 5)
2319                 goto out_usage;
2320         src_wimfile           = argv[0];
2321         src_image_num_or_name = argv[1];
2322         dest_wimfile          = argv[2];
2323         dest_name             = (argc >= 4) ? argv[3] : NULL;
2324         dest_desc             = (argc >= 5) ? argv[4] : NULL;
2325         ret = wimlib_open_wim(src_wimfile, open_flags, &src_wim,
2326                               imagex_progress_func);
2327         if (ret)
2328                 goto out_free_refglobs;
2329
2330         wimlib_get_wim_info(src_wim, &src_info);
2331
2332         /* Determine if the destination is an existing file or not.  If so, we
2333          * try to append the exported image(s) to it; otherwise, we create a new
2334          * WIM containing the exported image(s).  Furthermore, determine if we
2335          * need to write a pipable WIM directly to standard output.  */
2336
2337         if (tstrcmp(dest_wimfile, T("-")) == 0) {
2338         #if 0
2339                 if (!(write_flags & WIMLIB_WRITE_FLAG_PIPABLE)) {
2340                         imagex_error("Can't write a non-pipable WIM to "
2341                                      "standard output!  Specify --pipable\n"
2342                                      "       if you want to create a pipable WIM "
2343                                      "(but read the docs first).");
2344                         ret = -1;
2345                         goto out_free_src_wim;
2346                 }
2347         #else
2348                 write_flags |= WIMLIB_WRITE_FLAG_PIPABLE;
2349         #endif
2350                 dest_wimfile = NULL;
2351                 dest_wim_fd = STDOUT_FILENO;
2352                 imagex_info_file = stderr;
2353                 set_fd_to_binary_mode(dest_wim_fd);
2354         }
2355         errno = ENOENT;
2356         if (dest_wimfile != NULL && tstat(dest_wimfile, &stbuf) == 0) {
2357                 wim_is_new = false;
2358                 /* Destination file exists. */
2359
2360                 if (!S_ISREG(stbuf.st_mode)) {
2361                         imagex_error(T("\"%"TS"\" is not a regular file"),
2362                                      dest_wimfile);
2363                         ret = -1;
2364                         goto out_free_src_wim;
2365                 }
2366                 ret = wimlib_open_wim(dest_wimfile,
2367                                       open_flags | WIMLIB_OPEN_FLAG_WRITE_ACCESS,
2368                                       &dest_wim, imagex_progress_func);
2369                 if (ret)
2370                         goto out_free_src_wim;
2371
2372                 if (compression_type != WIMLIB_COMPRESSION_TYPE_INVALID) {
2373                         /* The user specified a compression type, but we're
2374                          * exporting to an existing WIM.  Make sure the
2375                          * specified compression type is the same as the
2376                          * compression type of the existing destination WIM. */
2377                         struct wimlib_wim_info dest_info;
2378
2379                         wimlib_get_wim_info(dest_wim, &dest_info);
2380                         if (compression_type != dest_info.compression_type) {
2381                                 imagex_error(T("Cannot specify a compression type that is "
2382                                                "not the same as that used in the "
2383                                                "destination WIM"));
2384                                 ret = -1;
2385                                 goto out_free_dest_wim;
2386                         }
2387                 }
2388         } else {
2389                 wim_is_new = true;
2390
2391                 if (errno != ENOENT) {
2392                         imagex_error_with_errno(T("Cannot stat file \"%"TS"\""),
2393                                                 dest_wimfile);
2394                         ret = -1;
2395                         goto out_free_src_wim;
2396                 }
2397
2398                 /* dest_wimfile is not an existing file, so create a new WIM. */
2399
2400                 if (compression_type == WIMLIB_COMPRESSION_TYPE_INVALID) {
2401                         /* The user did not specify a compression type; default
2402                          * to that of the source WIM.  */
2403
2404                         compression_type = src_info.compression_type;
2405                 }
2406                 ret = wimlib_create_new_wim(compression_type, &dest_wim);
2407                 if (ret)
2408                         goto out_free_src_wim;
2409         }
2410
2411         image = wimlib_resolve_image(src_wim, src_image_num_or_name);
2412         ret = verify_image_exists(image, src_image_num_or_name, src_wimfile);
2413         if (ret)
2414                 goto out_free_dest_wim;
2415
2416         if (refglobs.num_strings) {
2417                 ret = wim_reference_globs(src_wim, &refglobs, open_flags);
2418                 if (ret)
2419                         goto out_free_dest_wim;
2420         }
2421
2422         if ((export_flags & WIMLIB_EXPORT_FLAG_BOOT) &&
2423             image == WIMLIB_ALL_IMAGES && src_info.boot_index == 0)
2424         {
2425                 imagex_error(T("--boot specified for all-images export, but source WIM "
2426                                "has no bootable image."));
2427                 ret = -1;
2428                 goto out_free_dest_wim;
2429         }
2430
2431         ret = wimlib_export_image(src_wim, image, dest_wim, dest_name,
2432                                   dest_desc, export_flags, imagex_progress_func);
2433         if (ret) {
2434                 if (ret == WIMLIB_ERR_RESOURCE_NOT_FOUND) {
2435                         do_resource_not_found_warning(src_wimfile,
2436                                                       &src_info, &refglobs);
2437                 }
2438                 goto out_free_dest_wim;
2439         }
2440
2441         if (!wim_is_new)
2442                 ret = wimlib_overwrite(dest_wim, write_flags, num_threads,
2443                                        imagex_progress_func);
2444         else if (dest_wimfile)
2445                 ret = wimlib_write(dest_wim, dest_wimfile, WIMLIB_ALL_IMAGES,
2446                                    write_flags, num_threads,
2447                                    imagex_progress_func);
2448         else
2449                 ret = wimlib_write_to_fd(dest_wim, dest_wim_fd,
2450                                          WIMLIB_ALL_IMAGES, write_flags,
2451                                          num_threads, imagex_progress_func);
2452 out_free_dest_wim:
2453         wimlib_free(dest_wim);
2454 out_free_src_wim:
2455         wimlib_free(src_wim);
2456 out_free_refglobs:
2457         string_set_destroy(&refglobs);
2458         return ret;
2459
2460 out_usage:
2461         usage(CMD_EXPORT, stderr);
2462 out_err:
2463         ret = -1;
2464         goto out_free_refglobs;
2465 }
2466
2467 static bool
2468 is_root_wim_path(const tchar *path)
2469 {
2470         const tchar *p;
2471         for (p = path; *p; p++)
2472                 if (*p != T('\\') && *p != T('/'))
2473                         return false;
2474         return true;
2475 }
2476
2477 static void
2478 free_extract_commands(struct wimlib_extract_command *cmds, size_t num_cmds,
2479                       const tchar *dest_dir)
2480 {
2481         for (size_t i = 0; i < num_cmds; i++)
2482                 if (cmds[i].fs_dest_path != dest_dir)
2483                         free(cmds[i].fs_dest_path);
2484         free(cmds);
2485 }
2486
2487 static struct wimlib_extract_command *
2488 prepare_extract_commands(tchar **paths, unsigned num_paths,
2489                          int extract_flags, tchar *dest_dir,
2490                          size_t *num_cmds_ret)
2491 {
2492         struct wimlib_extract_command *cmds;
2493         size_t num_cmds;
2494         tchar *emptystr = T("");
2495
2496         if (num_paths == 0) {
2497                 num_paths = 1;
2498                 paths = &emptystr;
2499         }
2500         num_cmds = num_paths;
2501         cmds = calloc(num_cmds, sizeof(cmds[0]));
2502         if (!cmds) {
2503                 imagex_error(T("Out of memory!"));
2504                 return NULL;
2505         }
2506
2507         for (size_t i = 0; i < num_cmds; i++) {
2508                 cmds[i].extract_flags = extract_flags;
2509                 cmds[i].wim_source_path = paths[i];
2510                 if (is_root_wim_path(paths[i])) {
2511                         cmds[i].fs_dest_path = dest_dir;
2512                 } else {
2513                         size_t len = tstrlen(dest_dir) + 1 + tstrlen(paths[i]);
2514                         cmds[i].fs_dest_path = malloc((len + 1) * sizeof(tchar));
2515                         if (!cmds[i].fs_dest_path) {
2516                                 free_extract_commands(cmds, num_cmds, dest_dir);
2517                                 return NULL;
2518                         }
2519                         tsprintf(cmds[i].fs_dest_path,
2520                                  T("%"TS""OS_PREFERRED_PATH_SEPARATOR_STRING"%"TS),
2521                                  dest_dir, tbasename(paths[i]));
2522                 }
2523         }
2524         *num_cmds_ret = num_cmds;
2525         return cmds;
2526 }
2527
2528 /* Extract files or directories from a WIM image */
2529 static int
2530 imagex_extract(int argc, tchar **argv, int cmd)
2531 {
2532         int c;
2533         int open_flags = 0;
2534         int image;
2535         WIMStruct *wim;
2536         int ret;
2537         const tchar *wimfile;
2538         const tchar *image_num_or_name;
2539         tchar *dest_dir = T(".");
2540         int extract_flags = WIMLIB_EXTRACT_FLAG_SEQUENTIAL | WIMLIB_EXTRACT_FLAG_NORPFIX;
2541
2542         STRING_SET(refglobs);
2543
2544         struct wimlib_extract_command *cmds;
2545         size_t num_cmds;
2546
2547         for_opt(c, extract_options) {
2548                 switch (c) {
2549                 case IMAGEX_CHECK_OPTION:
2550                         open_flags |= WIMLIB_OPEN_FLAG_CHECK_INTEGRITY;
2551                         break;
2552                 case IMAGEX_VERBOSE_OPTION:
2553                         extract_flags |= WIMLIB_EXTRACT_FLAG_VERBOSE;
2554                         break;
2555                 case IMAGEX_REF_OPTION:
2556                         ret = string_set_append(&refglobs, optarg);
2557                         if (ret)
2558                                 goto out_free_refglobs;
2559                         break;
2560                 case IMAGEX_UNIX_DATA_OPTION:
2561                         extract_flags |= WIMLIB_EXTRACT_FLAG_UNIX_DATA;
2562                         break;
2563                 case IMAGEX_NO_ACLS_OPTION:
2564                         extract_flags |= WIMLIB_EXTRACT_FLAG_NO_ACLS;
2565                         break;
2566                 case IMAGEX_STRICT_ACLS_OPTION:
2567                         extract_flags |= WIMLIB_EXTRACT_FLAG_STRICT_ACLS;
2568                         break;
2569                 case IMAGEX_DEST_DIR_OPTION:
2570                         dest_dir = optarg;
2571                         break;
2572                 case IMAGEX_TO_STDOUT_OPTION:
2573                         extract_flags |= WIMLIB_EXTRACT_FLAG_TO_STDOUT;
2574                         imagex_info_file = stderr;
2575                         imagex_be_quiet = true;
2576                         break;
2577                 case IMAGEX_INCLUDE_INVALID_NAMES_OPTION:
2578                         extract_flags |= WIMLIB_EXTRACT_FLAG_REPLACE_INVALID_FILENAMES;
2579                         extract_flags |= WIMLIB_EXTRACT_FLAG_ALL_CASE_CONFLICTS;
2580                         break;
2581                 default:
2582                         goto out_usage;
2583                 }
2584         }
2585         argc -= optind;
2586         argv += optind;
2587
2588         if (argc < 2)
2589                 goto out_usage;
2590
2591         wimfile = argv[0];
2592         image_num_or_name = argv[1];
2593
2594         argc -= 2;
2595         argv += 2;
2596
2597         cmds = prepare_extract_commands(argv, argc, extract_flags, dest_dir,
2598                                         &num_cmds);
2599         if (!cmds)
2600                 goto out_err;
2601
2602         ret = wimlib_open_wim(wimfile, open_flags, &wim, imagex_progress_func);
2603         if (ret)
2604                 goto out_free_cmds;
2605
2606         image = wimlib_resolve_image(wim, image_num_or_name);
2607         ret = verify_image_exists_and_is_single(image,
2608                                                 image_num_or_name,
2609                                                 wimfile);
2610         if (ret)
2611                 goto out_wimlib_free;
2612
2613         if (refglobs.num_strings) {
2614                 ret = wim_reference_globs(wim, &refglobs, open_flags);
2615                 if (ret)
2616                         goto out_wimlib_free;
2617         }
2618
2619         ret = wimlib_extract_files(wim, image, cmds, num_cmds, 0,
2620                                    imagex_progress_func);
2621         if (ret == 0) {
2622                 if (!imagex_be_quiet)
2623                         imagex_printf(T("Done extracting files.\n"));
2624         } else if (ret == WIMLIB_ERR_PATH_DOES_NOT_EXIST) {
2625                 tfprintf(stderr, T("Note: You can use `%"TS"' to see what "
2626                                    "files and directories\n"
2627                                    "      are in the WIM image.\n"),
2628                                 get_cmd_string(CMD_INFO, false));
2629         } else if (ret == WIMLIB_ERR_RESOURCE_NOT_FOUND) {
2630                 struct wimlib_wim_info info;
2631
2632                 wimlib_get_wim_info(wim, &info);
2633                 do_resource_not_found_warning(wimfile, &info, &refglobs);
2634         }
2635 out_wimlib_free:
2636         wimlib_free(wim);
2637 out_free_cmds:
2638         free_extract_commands(cmds, num_cmds, dest_dir);
2639 out_free_refglobs:
2640         string_set_destroy(&refglobs);
2641         return ret;
2642
2643 out_usage:
2644         usage(CMD_EXTRACT, stderr);
2645 out_err:
2646         ret = -1;
2647         goto out_free_refglobs;
2648 }
2649
2650 static void print_byte_field(const uint8_t field[], size_t len)
2651 {
2652         while (len--)
2653                 tprintf(T("%02hhx"), *field++);
2654 }
2655
2656 static void
2657 print_wim_information(const tchar *wimfile, const struct wimlib_wim_info *info)
2658 {
2659         tputs(T("WIM Information:"));
2660         tputs(T("----------------"));
2661         tprintf(T("Path:           %"TS"\n"), wimfile);
2662         tprintf(T("GUID:           0x"));
2663         print_byte_field(info->guid, sizeof(info->guid));
2664         tputchar(T('\n'));
2665         tprintf(T("Image Count:    %d\n"), info->image_count);
2666         tprintf(T("Compression:    %"TS"\n"),
2667                 wimlib_get_compression_type_string(info->compression_type));
2668         tprintf(T("Part Number:    %d/%d\n"), info->part_number, info->total_parts);
2669         tprintf(T("Boot Index:     %d\n"), info->boot_index);
2670         tprintf(T("Size:           %"PRIu64" bytes\n"), info->total_bytes);
2671         tprintf(T("Integrity Info: %"TS"\n"),
2672                 info->has_integrity_table ? T("yes") : T("no"));
2673         tprintf(T("Relative path junction: %"TS"\n"),
2674                 info->has_rpfix ? T("yes") : T("no"));
2675         tprintf(T("Pipable:        %"TS"\n"),
2676                 info->pipable ? T("yes") : T("no"));
2677         tputchar(T('\n'));
2678 }
2679
2680 static int
2681 print_resource(const struct wimlib_resource_entry *resource,
2682                void *_ignore)
2683 {
2684
2685         tprintf(T("Uncompressed size   = %"PRIu64" bytes\n"),
2686                 resource->uncompressed_size);
2687
2688         tprintf(T("Compressed size     = %"PRIu64" bytes\n"),
2689                 resource->compressed_size);
2690
2691         tprintf(T("Offset              = %"PRIu64" bytes\n"),
2692                 resource->offset);
2693
2694
2695         tprintf(T("Part Number         = %u\n"), resource->part_number);
2696         tprintf(T("Reference Count     = %u\n"), resource->reference_count);
2697
2698         tprintf(T("Hash                = 0x"));
2699         print_byte_field(resource->sha1_hash, sizeof(resource->sha1_hash));
2700         tputchar(T('\n'));
2701
2702         tprintf(T("Flags               = "));
2703         if (resource->is_compressed)
2704                 tprintf(T("WIM_RESHDR_FLAG_COMPRESSED  "));
2705         if (resource->is_metadata)
2706                 tprintf(T("WIM_RESHDR_FLAG_METADATA  "));
2707         if (resource->is_free)
2708                 tprintf(T("WIM_RESHDR_FLAG_FREE  "));
2709         if (resource->is_spanned)
2710                 tprintf(T("WIM_RESHDR_FLAG_SPANNED  "));
2711         tputchar(T('\n'));
2712         tputchar(T('\n'));
2713         return 0;
2714 }
2715
2716 static void
2717 print_lookup_table(WIMStruct *wim)
2718 {
2719         wimlib_iterate_lookup_table(wim, 0, print_resource, NULL);
2720 }
2721
2722 /* Prints information about a WIM file; also can mark an image as bootable,
2723  * change the name of an image, or change the description of an image. */
2724 static int
2725 imagex_info(int argc, tchar **argv, int cmd)
2726 {
2727         int c;
2728         bool boot         = false;
2729         bool check        = false;
2730         bool nocheck      = false;
2731         bool header       = false;
2732         bool lookup_table = false;
2733         bool xml          = false;
2734         bool metadata     = false;
2735         bool short_header = true;
2736         const tchar *xml_out_file = NULL;
2737         const tchar *wimfile;
2738         const tchar *image_num_or_name;
2739         const tchar *new_name;
2740         const tchar *new_desc;
2741         WIMStruct *wim;
2742         int image;
2743         int ret;
2744         int open_flags = 0;
2745         struct wimlib_wim_info info;
2746
2747         for_opt(c, info_options) {
2748                 switch (c) {
2749                 case IMAGEX_BOOT_OPTION:
2750                         boot = true;
2751                         break;
2752                 case IMAGEX_CHECK_OPTION:
2753                         check = true;
2754                         break;
2755                 case IMAGEX_NOCHECK_OPTION:
2756                         nocheck = true;
2757                         break;
2758                 case IMAGEX_HEADER_OPTION:
2759                         header = true;
2760                         short_header = false;
2761                         break;
2762                 case IMAGEX_LOOKUP_TABLE_OPTION:
2763                         lookup_table = true;
2764                         short_header = false;
2765                         break;
2766                 case IMAGEX_XML_OPTION:
2767                         xml = true;
2768                         short_header = false;
2769                         break;
2770                 case IMAGEX_EXTRACT_XML_OPTION:
2771                         xml_out_file = optarg;
2772                         short_header = false;
2773                         break;
2774                 case IMAGEX_METADATA_OPTION:
2775                         metadata = true;
2776                         short_header = false;
2777                         break;
2778                 default:
2779                         goto out_usage;
2780                 }
2781         }
2782
2783         argc -= optind;
2784         argv += optind;
2785         if (argc < 1 || argc > 4)
2786                 goto out_usage;
2787
2788         wimfile           = argv[0];
2789         image_num_or_name = (argc >= 2) ? argv[1] : T("all");
2790         new_name          = (argc >= 3) ? argv[2] : NULL;
2791         new_desc          = (argc >= 4) ? argv[3] : NULL;
2792
2793         if (check && nocheck) {
2794                 imagex_error(T("Can't specify both --check and --nocheck"));
2795                 goto out_err;
2796         }
2797
2798         if (check)
2799                 open_flags |= WIMLIB_OPEN_FLAG_CHECK_INTEGRITY;
2800
2801         ret = wimlib_open_wim(wimfile, open_flags, &wim, imagex_progress_func);
2802         if (ret)
2803                 goto out;
2804
2805         wimlib_get_wim_info(wim, &info);
2806
2807         image = wimlib_resolve_image(wim, image_num_or_name);
2808         ret = WIMLIB_ERR_INVALID_IMAGE;
2809         if (image == WIMLIB_NO_IMAGE && tstrcmp(image_num_or_name, T("0"))) {
2810                 verify_image_exists(image, image_num_or_name, wimfile);
2811                 if (boot) {
2812                         imagex_error(T("If you would like to set the boot "
2813                                        "index to 0, specify image \"0\" with "
2814                                        "the --boot flag."));
2815                 }
2816                 goto out_wimlib_free;
2817         }
2818
2819         if (boot && info.image_count == 0) {
2820                 imagex_error(T("--boot is meaningless on a WIM with no images"));
2821                 goto out_wimlib_free;
2822         }
2823
2824         if (image == WIMLIB_ALL_IMAGES && info.image_count > 1) {
2825                 if (boot) {
2826                         imagex_error(T("Cannot specify the --boot flag "
2827                                        "without specifying a specific "
2828                                        "image in a multi-image WIM"));
2829                         goto out_wimlib_free;
2830                 }
2831                 if (new_name) {
2832                         imagex_error(T("Cannot specify the NEW_NAME "
2833                                        "without specifying a specific "
2834                                        "image in a multi-image WIM"));
2835                         goto out_wimlib_free;
2836                 }
2837         }
2838
2839         /* Operations that print information are separated from operations that
2840          * recreate the WIM file. */
2841         if (!new_name && !boot) {
2842
2843                 /* Read-only operations */
2844
2845                 if (image == WIMLIB_NO_IMAGE) {
2846                         imagex_error(T("\"%"TS"\" is not a valid image in \"%"TS"\""),
2847                                      image_num_or_name, wimfile);
2848                         goto out_wimlib_free;
2849                 }
2850
2851                 if (image == WIMLIB_ALL_IMAGES && short_header)
2852                         print_wim_information(wimfile, &info);
2853
2854                 if (header)
2855                         wimlib_print_header(wim);
2856
2857                 if (lookup_table) {
2858                         if (info.total_parts != 1) {
2859                                 tfprintf(stderr, T("Warning: Only showing the lookup table "
2860                                                    "for part %d of a %d-part WIM.\n"),
2861                                          info.part_number, info.total_parts);
2862                         }
2863                         print_lookup_table(wim);
2864                 }
2865
2866                 if (xml) {
2867                         ret = wimlib_extract_xml_data(wim, stdout);
2868                         if (ret)
2869                                 goto out_wimlib_free;
2870                 }
2871
2872                 if (xml_out_file) {
2873                         FILE *fp;
2874
2875                         fp = tfopen(xml_out_file, T("wb"));
2876                         if (!fp) {
2877                                 imagex_error_with_errno(T("Failed to open the "
2878                                                           "file \"%"TS"\" for "
2879                                                           "writing"),
2880                                                         xml_out_file);
2881                                 ret = -1;
2882                                 goto out_wimlib_free;
2883                         }
2884                         ret = wimlib_extract_xml_data(wim, fp);
2885                         if (fclose(fp)) {
2886                                 imagex_error(T("Failed to close the file "
2887                                                "\"%"TS"\""),
2888                                              xml_out_file);
2889                                 ret = -1;
2890                         }
2891                         if (ret)
2892                                 goto out_wimlib_free;
2893                 }
2894
2895                 if (short_header)
2896                         wimlib_print_available_images(wim, image);
2897
2898                 if (metadata) {
2899                         ret = wimlib_print_metadata(wim, image);
2900                         if (ret)
2901                                 goto out_wimlib_free;
2902                 }
2903                 ret = 0;
2904         } else {
2905
2906                 /* Modification operations */
2907
2908                 if (image == WIMLIB_ALL_IMAGES)
2909                         image = 1;
2910
2911                 if (image == WIMLIB_NO_IMAGE && new_name) {
2912                         imagex_error(T("Cannot specify new_name (\"%"TS"\") "
2913                                        "when using image 0"), new_name);
2914                         ret = -1;
2915                         goto out_wimlib_free;
2916                 }
2917
2918                 if (boot) {
2919                         if (image == info.boot_index) {
2920                                 imagex_printf(T("Image %d is already marked as "
2921                                           "bootable.\n"), image);
2922                                 boot = false;
2923                         } else {
2924                                 imagex_printf(T("Marking image %d as bootable.\n"),
2925                                         image);
2926                                 info.boot_index = image;
2927                                 ret = wimlib_set_wim_info(wim, &info,
2928                                                           WIMLIB_CHANGE_BOOT_INDEX);
2929                                 if (ret)
2930                                         goto out_wimlib_free;
2931                         }
2932                 }
2933                 if (new_name) {
2934                         if (!tstrcmp(wimlib_get_image_name(wim, image), new_name))
2935                         {
2936                                 imagex_printf(T("Image %d is already named \"%"TS"\".\n"),
2937                                         image, new_name);
2938                                 new_name = NULL;
2939                         } else {
2940                                 imagex_printf(T("Changing the name of image %d to "
2941                                           "\"%"TS"\".\n"), image, new_name);
2942                                 ret = wimlib_set_image_name(wim, image, new_name);
2943                                 if (ret)
2944                                         goto out_wimlib_free;
2945                         }
2946                 }
2947                 if (new_desc) {
2948                         const tchar *old_desc;
2949                         old_desc = wimlib_get_image_description(wim, image);
2950                         if (old_desc && !tstrcmp(old_desc, new_desc)) {
2951                                 imagex_printf(T("The description of image %d is already "
2952                                           "\"%"TS"\".\n"), image, new_desc);
2953                                 new_desc = NULL;
2954                         } else {
2955                                 imagex_printf(T("Changing the description of image %d "
2956                                           "to \"%"TS"\".\n"), image, new_desc);
2957                                 ret = wimlib_set_image_descripton(wim, image,
2958                                                                   new_desc);
2959                                 if (ret)
2960                                         goto out_wimlib_free;
2961                         }
2962                 }
2963
2964                 /* Only call wimlib_overwrite() if something actually needs to
2965                  * be changed.  */
2966                 if (boot || new_name || new_desc ||
2967                     (check && !info.has_integrity_table) ||
2968                     (nocheck && info.has_integrity_table))
2969                 {
2970                         int write_flags = 0;
2971
2972                         if (check)
2973                                 write_flags |= WIMLIB_WRITE_FLAG_CHECK_INTEGRITY;
2974                         if (nocheck)
2975                                 write_flags |= WIMLIB_WRITE_FLAG_NO_CHECK_INTEGRITY;
2976                         ret = wimlib_overwrite(wim, write_flags, 1,
2977                                                imagex_progress_func);
2978                 } else {
2979                         imagex_printf(T("The file \"%"TS"\" was not modified "
2980                                         "because nothing needed to be done.\n"),
2981                                       wimfile);
2982                         ret = 0;
2983                 }
2984         }
2985 out_wimlib_free:
2986         wimlib_free(wim);
2987 out:
2988         return ret;
2989
2990 out_usage:
2991         usage(CMD_INFO, stderr);
2992 out_err:
2993         ret = -1;
2994         goto out;
2995 }
2996
2997 /* Join split WIMs into one part WIM */
2998 static int
2999 imagex_join(int argc, tchar **argv, int cmd)
3000 {
3001         int c;
3002         int swm_open_flags = 0;
3003         int wim_write_flags = 0;
3004         const tchar *output_path;
3005         int ret;
3006
3007         for_opt(c, join_options) {
3008                 switch (c) {
3009                 case IMAGEX_CHECK_OPTION:
3010                         swm_open_flags |= WIMLIB_OPEN_FLAG_CHECK_INTEGRITY;
3011                         wim_write_flags |= WIMLIB_WRITE_FLAG_CHECK_INTEGRITY;
3012                         break;
3013                 default:
3014                         goto out_usage;
3015                 }
3016         }
3017         argc -= optind;
3018         argv += optind;
3019
3020         if (argc < 2) {
3021                 imagex_error(T("Must specify one or more split WIM (.swm) "
3022                                "parts to join"));
3023                 goto out_usage;
3024         }
3025         output_path = argv[0];
3026         ret = wimlib_join((const tchar * const *)++argv,
3027                           --argc,
3028                           output_path,
3029                           swm_open_flags,
3030                           wim_write_flags,
3031                           imagex_progress_func);
3032 out:
3033         return ret;
3034
3035 out_usage:
3036         usage(CMD_JOIN, stderr);
3037         ret = -1;
3038         goto out;
3039 }
3040
3041 #if WIM_MOUNTING_SUPPORTED
3042
3043 /* Mounts a WIM image.  */
3044 static int
3045 imagex_mount_rw_or_ro(int argc, tchar **argv, int cmd)
3046 {
3047         int c;
3048         int mount_flags = 0;
3049         int open_flags = 0;
3050         const tchar *staging_dir = NULL;
3051         const tchar *wimfile;
3052         const tchar *dir;
3053         WIMStruct *wim;
3054         struct wimlib_wim_info info;
3055         int image;
3056         int ret;
3057
3058         STRING_SET(refglobs);
3059
3060         if (cmd == CMD_MOUNTRW) {
3061                 mount_flags |= WIMLIB_MOUNT_FLAG_READWRITE;
3062                 open_flags |= WIMLIB_OPEN_FLAG_WRITE_ACCESS;
3063         }
3064
3065         for_opt(c, mount_options) {
3066                 switch (c) {
3067                 case IMAGEX_ALLOW_OTHER_OPTION:
3068                         mount_flags |= WIMLIB_MOUNT_FLAG_ALLOW_OTHER;
3069                         break;
3070                 case IMAGEX_CHECK_OPTION:
3071                         open_flags |= WIMLIB_OPEN_FLAG_CHECK_INTEGRITY;
3072                         break;
3073                 case IMAGEX_DEBUG_OPTION:
3074                         mount_flags |= WIMLIB_MOUNT_FLAG_DEBUG;
3075                         break;
3076                 case IMAGEX_STREAMS_INTERFACE_OPTION:
3077                         if (!tstrcasecmp(optarg, T("none")))
3078                                 mount_flags |= WIMLIB_MOUNT_FLAG_STREAM_INTERFACE_NONE;
3079                         else if (!tstrcasecmp(optarg, T("xattr")))
3080                                 mount_flags |= WIMLIB_MOUNT_FLAG_STREAM_INTERFACE_XATTR;
3081                         else if (!tstrcasecmp(optarg, T("windows")))
3082                                 mount_flags |= WIMLIB_MOUNT_FLAG_STREAM_INTERFACE_WINDOWS;
3083                         else {
3084                                 imagex_error(T("Unknown stream interface \"%"TS"\""),
3085                                              optarg);
3086                                 goto out_usage;
3087                         }
3088                         break;
3089                 case IMAGEX_REF_OPTION:
3090                         ret = string_set_append(&refglobs, optarg);
3091                         if (ret)
3092                                 goto out_free_refglobs;
3093                         break;
3094                 case IMAGEX_STAGING_DIR_OPTION:
3095                         staging_dir = optarg;
3096                         break;
3097                 case IMAGEX_UNIX_DATA_OPTION:
3098                         mount_flags |= WIMLIB_MOUNT_FLAG_UNIX_DATA;
3099                         break;
3100                 default:
3101                         goto out_usage;
3102                 }
3103         }
3104         argc -= optind;
3105         argv += optind;
3106         if (argc != 2 && argc != 3)
3107                 goto out_usage;
3108
3109         wimfile = argv[0];
3110
3111         ret = wimlib_open_wim(wimfile, open_flags, &wim, imagex_progress_func);
3112         if (ret)
3113                 goto out_free_refglobs;
3114
3115         wimlib_get_wim_info(wim, &info);
3116
3117         if (argc >= 3) {
3118                 /* Image explicitly specified.  */
3119                 image = wimlib_resolve_image(wim, argv[1]);
3120                 dir = argv[2];
3121                 ret = verify_image_exists_and_is_single(image, argv[1], wimfile);
3122                 if (ret)
3123                         goto out_free_wim;
3124         } else {
3125                 /* No image specified; default to image 1, but only if the WIM
3126                  * contains exactly one image.  */
3127
3128                 if (info.image_count != 1) {
3129                         imagex_error(T("\"%"TS"\" contains %d images; Please "
3130                                        "select one."), wimfile, info.image_count);
3131                         wimlib_free(wim);
3132                         goto out_usage;
3133                 }
3134                 image = 1;
3135                 dir = argv[1];
3136         }
3137
3138         if (refglobs.num_strings) {
3139                 ret = wim_reference_globs(wim, &refglobs, open_flags);
3140                 if (ret)
3141                         goto out_free_wim;
3142         }
3143
3144         ret = wimlib_mount_image(wim, image, dir, mount_flags, staging_dir);
3145         if (ret) {
3146                 imagex_error(T("Failed to mount image %d from \"%"TS"\" "
3147                                "on \"%"TS"\""),
3148                              image, wimfile, dir);
3149         }
3150 out_free_wim:
3151         wimlib_free(wim);
3152 out_free_refglobs:
3153         string_set_destroy(&refglobs);
3154         return ret;
3155
3156 out_usage:
3157         usage(cmd, stderr);
3158         ret = -1;
3159         goto out_free_refglobs;
3160 }
3161 #endif /* WIM_MOUNTING_SUPPORTED */
3162
3163 /* Rebuild a WIM file */
3164 static int
3165 imagex_optimize(int argc, tchar **argv, int cmd)
3166 {
3167         int c;
3168         int open_flags = WIMLIB_OPEN_FLAG_WRITE_ACCESS;
3169         int write_flags = WIMLIB_WRITE_FLAG_REBUILD;
3170         int ret;
3171         WIMStruct *wim;
3172         const tchar *wimfile;
3173         off_t old_size;
3174         off_t new_size;
3175         unsigned num_threads = 0;
3176
3177         for_opt(c, optimize_options) {
3178                 switch (c) {
3179                 case IMAGEX_CHECK_OPTION:
3180                         open_flags |= WIMLIB_OPEN_FLAG_CHECK_INTEGRITY;
3181                         write_flags |= WIMLIB_WRITE_FLAG_CHECK_INTEGRITY;
3182                         break;
3183                 case IMAGEX_NOCHECK_OPTION:
3184                         write_flags |= WIMLIB_WRITE_FLAG_NO_CHECK_INTEGRITY;
3185                         break;
3186                 case IMAGEX_RECOMPRESS_OPTION:
3187                         write_flags |= WIMLIB_WRITE_FLAG_RECOMPRESS;
3188                         break;
3189                 case IMAGEX_THREADS_OPTION:
3190                         num_threads = parse_num_threads(optarg);
3191                         if (num_threads == UINT_MAX)
3192                                 goto out_err;
3193                         break;
3194                 case IMAGEX_PIPABLE_OPTION:
3195                         write_flags |= WIMLIB_WRITE_FLAG_PIPABLE;
3196                         break;
3197                 case IMAGEX_NOT_PIPABLE_OPTION:
3198                         write_flags |= WIMLIB_WRITE_FLAG_NOT_PIPABLE;
3199                         break;
3200                 default:
3201                         goto out_usage;
3202                 }
3203         }
3204         argc -= optind;
3205         argv += optind;
3206
3207         if (argc != 1)
3208                 goto out_usage;
3209
3210         wimfile = argv[0];
3211
3212         ret = wimlib_open_wim(wimfile, open_flags, &wim, imagex_progress_func);
3213         if (ret)
3214                 goto out;
3215
3216         old_size = file_get_size(wimfile);
3217         tprintf(T("\"%"TS"\" original size: "), wimfile);
3218         if (old_size == -1)
3219                 tputs(T("Unknown"));
3220         else
3221                 tprintf(T("%"PRIu64" KiB\n"), old_size >> 10);
3222
3223         ret = wimlib_overwrite(wim, write_flags, num_threads,
3224                                imagex_progress_func);
3225         if (ret) {
3226                 imagex_error(T("Optimization of \"%"TS"\" failed."), wimfile);
3227                 goto out_wimlib_free;
3228         }
3229
3230         new_size = file_get_size(wimfile);
3231         tprintf(T("\"%"TS"\" optimized size: "), wimfile);
3232         if (new_size == -1)
3233                 tputs(T("Unknown"));
3234         else
3235                 tprintf(T("%"PRIu64" KiB\n"), new_size >> 10);
3236
3237         tfputs(T("Space saved: "), stdout);
3238         if (new_size != -1 && old_size != -1) {
3239                 tprintf(T("%lld KiB\n"),
3240                        ((long long)old_size - (long long)new_size) >> 10);
3241         } else {
3242                 tputs(T("Unknown"));
3243         }
3244         ret = 0;
3245 out_wimlib_free:
3246         wimlib_free(wim);
3247 out:
3248         return ret;
3249
3250 out_usage:
3251         usage(CMD_OPTIMIZE, stderr);
3252 out_err:
3253         ret = -1;
3254         goto out;
3255 }
3256
3257 /* Split a WIM into a spanned set */
3258 static int
3259 imagex_split(int argc, tchar **argv, int cmd)
3260 {
3261         int c;
3262         int open_flags = 0;
3263         int write_flags = 0;
3264         unsigned long part_size;
3265         tchar *tmp;
3266         int ret;
3267         WIMStruct *wim;
3268
3269         for_opt(c, split_options) {
3270                 switch (c) {
3271                 case IMAGEX_CHECK_OPTION:
3272                         open_flags |= WIMLIB_OPEN_FLAG_CHECK_INTEGRITY;
3273                         write_flags |= WIMLIB_WRITE_FLAG_CHECK_INTEGRITY;
3274                         break;
3275                 default:
3276                         goto out_usage;
3277                 }
3278         }
3279         argc -= optind;
3280         argv += optind;
3281
3282         if (argc != 3)
3283                 goto out_usage;
3284
3285         part_size = tstrtod(argv[2], &tmp) * (1 << 20);
3286         if (tmp == argv[2] || *tmp) {
3287                 imagex_error(T("Invalid part size \"%"TS"\""), argv[2]);
3288                 imagex_error(T("The part size must be an integer or "
3289                                "floating-point number of megabytes."));
3290                 goto out_err;
3291         }
3292         ret = wimlib_open_wim(argv[0], open_flags, &wim, imagex_progress_func);
3293         if (ret)
3294                 goto out;
3295
3296         ret = wimlib_split(wim, argv[1], part_size, write_flags, imagex_progress_func);
3297         wimlib_free(wim);
3298 out:
3299         return ret;
3300
3301 out_usage:
3302         usage(CMD_SPLIT, stderr);
3303 out_err:
3304         ret = -1;
3305         goto out;
3306 }
3307
3308 #if WIM_MOUNTING_SUPPORTED
3309 /* Unmounts a mounted WIM image. */
3310 static int
3311 imagex_unmount(int argc, tchar **argv, int cmd)
3312 {
3313         int c;
3314         int unmount_flags = 0;
3315         int ret;
3316
3317         for_opt(c, unmount_options) {
3318                 switch (c) {
3319                 case IMAGEX_COMMIT_OPTION:
3320                         unmount_flags |= WIMLIB_UNMOUNT_FLAG_COMMIT;
3321                         break;
3322                 case IMAGEX_CHECK_OPTION:
3323                         unmount_flags |= WIMLIB_UNMOUNT_FLAG_CHECK_INTEGRITY;
3324                         break;
3325                 case IMAGEX_REBUILD_OPTION:
3326                         unmount_flags |= WIMLIB_UNMOUNT_FLAG_REBUILD;
3327                         break;
3328                 case IMAGEX_LAZY_OPTION:
3329                         unmount_flags |= WIMLIB_UNMOUNT_FLAG_LAZY;
3330                         break;
3331                 default:
3332                         goto out_usage;
3333                 }
3334         }
3335         argc -= optind;
3336         argv += optind;
3337         if (argc != 1)
3338                 goto out_usage;
3339
3340         ret = wimlib_unmount_image(argv[0], unmount_flags,
3341                                    imagex_progress_func);
3342         if (ret)
3343                 imagex_error(T("Failed to unmount \"%"TS"\""), argv[0]);
3344 out:
3345         return ret;
3346
3347 out_usage:
3348         usage(CMD_UNMOUNT, stderr);
3349         ret = -1;
3350         goto out;
3351 }
3352 #endif /* WIM_MOUNTING_SUPPORTED */
3353
3354 /*
3355  * Add, delete, or rename files in a WIM image.
3356  */
3357 static int
3358 imagex_update(int argc, tchar **argv, int cmd)
3359 {
3360         const tchar *wimfile;
3361         int image;
3362         WIMStruct *wim;
3363         int ret;
3364         int open_flags = WIMLIB_OPEN_FLAG_WRITE_ACCESS;
3365         int write_flags = 0;
3366         int update_flags = WIMLIB_UPDATE_FLAG_SEND_PROGRESS;
3367         int default_add_flags = WIMLIB_ADD_FLAG_EXCLUDE_VERBOSE;
3368         int default_delete_flags = 0;
3369         unsigned num_threads = 0;
3370         int c;
3371         tchar *cmd_file_contents;
3372         size_t cmd_file_nchars;
3373         struct wimlib_update_command *cmds;
3374         size_t num_cmds;
3375         tchar *command_str = NULL;
3376
3377         const tchar *config_file = NULL;
3378         tchar *config_str;
3379         struct wimlib_capture_config *config;
3380
3381         for_opt(c, update_options) {
3382                 switch (c) {
3383                 /* Generic or write options */
3384                 case IMAGEX_THREADS_OPTION:
3385                         num_threads = parse_num_threads(optarg);
3386                         if (num_threads == UINT_MAX)
3387                                 goto out_err;
3388                         break;
3389                 case IMAGEX_CHECK_OPTION:
3390                         open_flags |= WIMLIB_OPEN_FLAG_CHECK_INTEGRITY;
3391                         write_flags |= WIMLIB_WRITE_FLAG_CHECK_INTEGRITY;
3392                         break;
3393                 case IMAGEX_REBUILD_OPTION:
3394                         write_flags |= WIMLIB_WRITE_FLAG_REBUILD;
3395                         break;
3396                 case IMAGEX_COMMAND_OPTION:
3397                         if (command_str) {
3398                                 imagex_error(T("--command may only be specified "
3399                                                "one time.  Please provide\n"
3400                                                "       the update commands "
3401                                                "on standard input instead."));
3402                                 goto out_err;
3403                         }
3404                         command_str = tstrdup(optarg);
3405                         if (!command_str) {
3406                                 imagex_error(T("Out of memory!"));
3407                                 goto out_err;
3408                         }
3409                         break;
3410                 /* Default delete options */
3411                 case IMAGEX_FORCE_OPTION:
3412                         default_delete_flags |= WIMLIB_DELETE_FLAG_FORCE;
3413                         break;
3414                 case IMAGEX_RECURSIVE_OPTION:
3415                         default_delete_flags |= WIMLIB_DELETE_FLAG_RECURSIVE;
3416                         break;
3417
3418                 /* Global add option */
3419                 case IMAGEX_CONFIG_OPTION:
3420                         default_add_flags &= ~WIMLIB_ADD_FLAG_WINCONFIG;
3421                         config_file = optarg;
3422                         break;
3423
3424                 /* Default add options */
3425                 case IMAGEX_VERBOSE_OPTION:
3426                         default_add_flags |= WIMLIB_ADD_FLAG_VERBOSE;
3427                         break;
3428                 case IMAGEX_DEREFERENCE_OPTION:
3429                         default_add_flags |= WIMLIB_ADD_FLAG_DEREFERENCE;
3430                         break;
3431                 case IMAGEX_UNIX_DATA_OPTION:
3432                         default_add_flags |= WIMLIB_ADD_FLAG_UNIX_DATA;
3433                         break;
3434                 case IMAGEX_NO_ACLS_OPTION:
3435                         default_add_flags |= WIMLIB_ADD_FLAG_NO_ACLS;
3436                         break;
3437                 case IMAGEX_STRICT_ACLS_OPTION:
3438                         default_add_flags |= WIMLIB_ADD_FLAG_STRICT_ACLS;
3439                         break;
3440                 default:
3441                         goto out_usage;
3442                 }
3443         }
3444         argv += optind;
3445         argc -= optind;
3446
3447         if (argc != 1 && argc != 2)
3448                 goto out_usage;
3449         wimfile = argv[0];
3450
3451         ret = wimlib_open_wim(wimfile, open_flags, &wim, imagex_progress_func);
3452         if (ret)
3453                 goto out_free_command_str;
3454
3455         if (argc >= 2) {
3456                 /* Image explicitly specified.  */
3457                 image = wimlib_resolve_image(wim, argv[1]);
3458                 ret = verify_image_exists_and_is_single(image, argv[1],
3459                                                         wimfile);
3460                 if (ret)
3461                         goto out_wimlib_free;
3462         } else {
3463                 /* No image specified; default to image 1, but only if the WIM
3464                  * contains exactly one image.  */
3465                 struct wimlib_wim_info info;
3466
3467                 wimlib_get_wim_info(wim, &info);
3468                 if (info.image_count != 1) {
3469                         imagex_error(T("\"%"TS"\" contains %d images; Please select one."),
3470                                      wimfile, info.image_count);
3471                         wimlib_free(wim);
3472                         goto out_usage;
3473                 }
3474                 image = 1;
3475         }
3476
3477         /* Parse capture configuration file if specified */
3478         if (config_file) {
3479                 size_t config_len;
3480
3481                 config_str = file_get_text_contents(config_file, &config_len);
3482                 if (!config_str) {
3483                         ret = -1;
3484                         goto out_wimlib_free;
3485                 }
3486
3487                 config = alloca(sizeof(*config));
3488                 ret = parse_capture_config(&config_str, config_len, config);
3489                 if (ret)
3490                         goto out_free_config;
3491         } else {
3492                 config = NULL;
3493                 default_add_flags |= WIMLIB_ADD_FLAG_WINCONFIG;
3494         }
3495
3496         /* Read update commands from standard input, or the command string if
3497          * specified.  */
3498         if (command_str) {
3499                 cmd_file_contents = NULL;
3500                 cmds = parse_update_command_file(&command_str, tstrlen(command_str),
3501                                                  &num_cmds);
3502         } else {
3503                 if (isatty(STDIN_FILENO)) {
3504                         tputs(T("Reading update commands from standard input..."));
3505                         recommend_man_page(CMD_UPDATE, stdout);
3506                 }
3507                 cmd_file_contents = stdin_get_text_contents(&cmd_file_nchars);
3508                 if (!cmd_file_contents) {
3509                         ret = -1;
3510                         goto out_free_config;
3511                 }
3512
3513                 /* Parse the update commands */
3514                 cmds = parse_update_command_file(&cmd_file_contents, cmd_file_nchars,
3515                                                  &num_cmds);
3516         }
3517         if (!cmds) {
3518                 ret = -1;
3519                 goto out_free_cmd_file_contents;
3520         }
3521
3522         /* Set default flags and capture config on the update commands */
3523         for (size_t i = 0; i < num_cmds; i++) {
3524                 switch (cmds[i].op) {
3525                 case WIMLIB_UPDATE_OP_ADD:
3526                         cmds[i].add.add_flags |= default_add_flags;
3527                         cmds[i].add.config = config;
3528                         break;
3529                 case WIMLIB_UPDATE_OP_DELETE:
3530                         cmds[i].delete_.delete_flags |= default_delete_flags;
3531                         break;
3532                 default:
3533                         break;
3534                 }
3535         }
3536
3537         /* Execute the update commands */
3538         ret = wimlib_update_image(wim, image, cmds, num_cmds, update_flags,
3539                                   imagex_progress_func);
3540         if (ret)
3541                 goto out_free_cmds;
3542
3543         /* Overwrite the updated WIM */
3544         ret = wimlib_overwrite(wim, write_flags, num_threads,
3545                                imagex_progress_func);
3546 out_free_cmds:
3547         free(cmds);
3548 out_free_cmd_file_contents:
3549         free(cmd_file_contents);
3550 out_free_config:
3551         if (config) {
3552                 free(config->exclusion_pats.pats);
3553                 free(config->exclusion_exception_pats.pats);
3554                 free(config_str);
3555         }
3556 out_wimlib_free:
3557         wimlib_free(wim);
3558 out_free_command_str:
3559         free(command_str);
3560         return ret;
3561
3562 out_usage:
3563         usage(CMD_UPDATE, stderr);
3564 out_err:
3565         ret = -1;
3566         goto out_free_command_str;
3567 }
3568
3569
3570
3571 struct imagex_command {
3572         const tchar *name;
3573         int (*func)(int argc, tchar **argv, int cmd);
3574 };
3575
3576 static const struct imagex_command imagex_commands[] = {
3577         [CMD_APPEND]   = {T("append"),   imagex_capture_or_append},
3578         [CMD_APPLY]    = {T("apply"),    imagex_apply},
3579         [CMD_CAPTURE]  = {T("capture"),  imagex_capture_or_append},
3580         [CMD_DELETE]   = {T("delete"),   imagex_delete},
3581         [CMD_DIR ]     = {T("dir"),      imagex_dir},
3582         [CMD_EXPORT]   = {T("export"),   imagex_export},
3583         [CMD_EXTRACT]  = {T("extract"),  imagex_extract},
3584         [CMD_INFO]     = {T("info"),     imagex_info},
3585         [CMD_JOIN]     = {T("join"),     imagex_join},
3586 #if WIM_MOUNTING_SUPPORTED
3587         [CMD_MOUNT]    = {T("mount"),    imagex_mount_rw_or_ro},
3588         [CMD_MOUNTRW]  = {T("mountrw"),  imagex_mount_rw_or_ro},
3589 #endif
3590         [CMD_OPTIMIZE] = {T("optimize"), imagex_optimize},
3591         [CMD_SPLIT]    = {T("split"),    imagex_split},
3592 #if WIM_MOUNTING_SUPPORTED
3593         [CMD_UNMOUNT]  = {T("unmount"),  imagex_unmount},
3594 #endif
3595         [CMD_UPDATE]   = {T("update"),   imagex_update},
3596 };
3597
3598 static const tchar *usage_strings[] = {
3599 [CMD_APPEND] =
3600 T(
3601 "    %"TS" (DIRECTORY | NTFS_VOLUME) WIMFILE\n"
3602 "                    [IMAGE_NAME [IMAGE_DESCRIPTION]] [--boot] [--check]\n"
3603 "                    [--nocheck] [--flags EDITION_ID] [--verbose]\n"
3604 "                    [--dereference] [--config=FILE] [--threads=NUM_THREADS]\n"
3605 "                    [--rebuild] [--unix-data] [--source-list] [--no-acls]\n"
3606 "                    [--strict-acls] [--rpfix] [--norpfix] [--pipable]\n"
3607 "                    [--not-pipable] [--update-of=[WIMFILE:]IMAGE]\n"
3608 ),
3609 [CMD_APPLY] =
3610 T(
3611 "    %"TS" WIMFILE [(IMAGE_NUM | IMAGE_NAME | all)]\n"
3612 "                    (DIRECTORY | NTFS_VOLUME) [--check] [--hardlink]\n"
3613 "                    [--symlink] [--verbose] [--ref=\"GLOB\"] [--unix-data]\n"
3614 "                    [--no-acls] [--strict-acls] [--rpfix] [--norpfix]\n"
3615 "                    [--include-invalid-names]\n"
3616 ),
3617 [CMD_CAPTURE] =
3618 T(
3619 "    %"TS" (DIRECTORY | NTFS_VOLUME) WIMFILE\n"
3620 "                    [IMAGE_NAME [IMAGE_DESCRIPTION]] [--boot] [--check]\n"
3621 "                    [--nocheck] [--compress=TYPE] [--flags EDITION_ID]\n"
3622 "                    [--verbose] [--dereference] [--config=FILE]\n"
3623 "                    [--threads=NUM_THREADS] [--unix-data] [--source-list]\n"
3624 "                    [--no-acls] [--strict-acls] [--norpfix] [--pipable]\n"
3625 "                    [--update-of=[WIMFILE:]IMAGE] [--delta-from=WIMFILE]\n"
3626 ),
3627 [CMD_DELETE] =
3628 T(
3629 "    %"TS" WIMFILE (IMAGE_NUM | IMAGE_NAME | all) [--check]\n"
3630 "                    [--soft]\n"
3631 ),
3632 [CMD_DIR] =
3633 T(
3634 "    %"TS" WIMFILE (IMAGE_NUM | IMAGE_NAME | all) [--path=PATH]\n"
3635 ),
3636 [CMD_EXPORT] =
3637 T(
3638 "    %"TS" SRC_WIMFILE (SRC_IMAGE_NUM | SRC_IMAGE_NAME | all ) \n"
3639 "                    DEST_WIMFILE [DEST_IMAGE_NAME [DEST_IMAGE_DESCRIPTION]]\n"
3640 "                    [--boot] [--check] [--nocheck] [--compress=TYPE]\n"
3641 "                    [--ref=\"GLOB\"] [--threads=NUM_THREADS] [--rebuild]\n"
3642 "                    [--pipable] [--not-pipable]\n"
3643 ),
3644 [CMD_EXTRACT] =
3645 T(
3646 "    %"TS" WIMFILE (IMAGE_NUM | IMAGE_NAME) [PATH...]\n"
3647 "                    [--check] [--ref=\"GLOB\"] [--verbose] [--unix-data]\n"
3648 "                    [--no-acls] [--strict-acls] [--to-stdout]\n"
3649 "                    [--dest-dir=CMD_DIR] [--include-invalid-names]\n"
3650 ),
3651 [CMD_INFO] =
3652 T(
3653 "    %"TS" WIMFILE [(IMAGE_NUM | IMAGE_NAME) [NEW_NAME\n"
3654 "                    [NEW_DESC]]] [--boot] [--check] [--nocheck] [--header]\n"
3655 "                    [--lookup-table] [--xml] [--extract-xml FILE]\n"
3656 "                    [--metadata]\n"
3657 ),
3658 [CMD_JOIN] =
3659 T(
3660 "    %"TS" OUT_WIMFILE SPLIT_WIM_PART... [--check]\n"
3661 ),
3662 #if WIM_MOUNTING_SUPPORTED
3663 [CMD_MOUNT] =
3664 T(
3665 "    %"TS" WIMFILE [(IMAGE_NUM | IMAGE_NAME)] DIRECTORY\n"
3666 "                    [--check] [--debug] [--streams-interface=INTERFACE]\n"
3667 "                    [--ref=\"GLOB\"] [--unix-data] [--allow-other]\n"
3668 ),
3669 [CMD_MOUNTRW] =
3670 T(
3671 "    %"TS" WIMFILE [(IMAGE_NUM | IMAGE_NAME)] DIRECTORY\n"
3672 "                    [--check] [--debug] [--streams-interface=INTERFACE]\n"
3673 "                    [--staging-dir=CMD_DIR] [--unix-data] [--allow-other]\n"
3674 ),
3675 #endif
3676 [CMD_OPTIMIZE] =
3677 T(
3678 "    %"TS" WIMFILE [--check] [--nocheck] [--recompress]\n"
3679 "                    [--threads=NUM_THREADS] [--pipable] [--not-pipable]\n"
3680 ),
3681 [CMD_SPLIT] =
3682 T(
3683 "    %"TS" WIMFILE SPLIT_WIM_PART_1 PART_SIZE_MB [--check]\n"
3684 ),
3685 #if WIM_MOUNTING_SUPPORTED
3686 [CMD_UNMOUNT] =
3687 T(
3688 "    %"TS" DIRECTORY [--commit] [--check] [--rebuild] [--lazy]\n"
3689 ),
3690 #endif
3691 [CMD_UPDATE] =
3692 T(
3693 "    %"TS" WIMFILE [IMAGE_NUM | IMAGE_NAME] [--check] [--rebuild]\n"
3694 "                    [--threads=NUM_THREADS] [DEFAULT_ADD_OPTIONS]\n"
3695 "                    [DEFAULT_DELETE_OPTIONS] [--command=STRING] [< CMDFILE]\n"
3696 ),
3697 };
3698
3699 static const tchar *invocation_name;
3700 static int invocation_cmd = CMD_NONE;
3701
3702 static const tchar *get_cmd_string(int cmd, bool nospace)
3703 {
3704         static tchar buf[50];
3705         if (cmd == CMD_NONE) {
3706                 tsprintf(buf, T("%"TS), T(IMAGEX_PROGNAME));
3707         } else if (invocation_cmd != CMD_NONE) {
3708                 tsprintf(buf, T("wim%"TS), imagex_commands[cmd].name);
3709         } else {
3710                 const tchar *format;
3711
3712                 if (nospace)
3713                         format = T("%"TS"-%"TS"");
3714                 else
3715                         format = T("%"TS" %"TS"");
3716                 tsprintf(buf, format, invocation_name, imagex_commands[cmd].name);
3717         }
3718         return buf;
3719 }
3720
3721 static void
3722 version(void)
3723 {
3724         static const tchar *s =
3725         T(
3726 IMAGEX_PROGNAME " (" PACKAGE ") " PACKAGE_VERSION "\n"
3727 "Copyright (C) 2012, 2013 Eric Biggers\n"
3728 "License GPLv3+; GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>.\n"
3729 "This is free software: you are free to change and redistribute it.\n"
3730 "There is NO WARRANTY, to the extent permitted by law.\n"
3731 "\n"
3732 "Report bugs to "PACKAGE_BUGREPORT".\n"
3733         );
3734         tfputs(s, stdout);
3735 }
3736
3737
3738 static void
3739 help_or_version(int argc, tchar **argv, int cmd)
3740 {
3741         int i;
3742         const tchar *p;
3743
3744         for (i = 1; i < argc; i++) {
3745                 p = argv[i];
3746                 if (p[0] == T('-') && p[1] == T('-')) {
3747                         p += 2;
3748                         if (!tstrcmp(p, T("help"))) {
3749                                 if (cmd == CMD_NONE)
3750                                         usage_all(stdout);
3751                                 else
3752                                         usage(cmd, stdout);
3753                                 exit(0);
3754                         } else if (!tstrcmp(p, T("version"))) {
3755                                 version();
3756                                 exit(0);
3757                         }
3758                 }
3759         }
3760 }
3761
3762 static void
3763 print_usage_string(int cmd, FILE *fp)
3764 {
3765         tfprintf(fp, usage_strings[cmd], get_cmd_string(cmd, false));
3766 }
3767
3768 static void
3769 recommend_man_page(int cmd, FILE *fp)
3770 {
3771         const tchar *format_str;
3772 #ifdef __WIN32__
3773         format_str = T("See %"TS".pdf in the doc directory for more details.\n");
3774 #else
3775         format_str = T("Try `man %"TS"' for more details.\n");
3776 #endif
3777         tfprintf(fp, format_str, get_cmd_string(cmd, true));
3778 }
3779
3780 static void
3781 usage(int cmd, FILE *fp)
3782 {
3783         tfprintf(fp, T("Usage:\n"));
3784         print_usage_string(cmd, fp);
3785         tfprintf(fp, T("\n"));
3786         recommend_man_page(cmd, fp);
3787 }
3788
3789 static void
3790 usage_all(FILE *fp)