1 /* $NetBSD: cd9660.c,v 1.32 2011/08/23 17:09:11 christos Exp $ */
4 * SPDX-License-Identifier: BSD-2-Clause-NetBSD AND BSD-4-Clause
6 * Copyright (c) 2005 Daniel Watt, Walter Deignan, Ryan Gabrys, Alan
7 * Perez-Rathke and Ram Vedam. All rights reserved.
9 * This code was written by Daniel Watt, Walter Deignan, Ryan Gabrys,
10 * Alan Perez-Rathke and Ram Vedam.
12 * Redistribution and use in source and binary forms, with or
13 * without modification, are permitted provided that the following
15 * 1. Redistributions of source code must retain the above copyright
16 * notice, this list of conditions and the following disclaimer.
17 * 2. Redistributions in binary form must reproduce the above
18 * copyright notice, this list of conditions and the following
19 * disclaimer in the documentation and/or other materials provided
20 * with the distribution.
22 * THIS SOFTWARE IS PROVIDED BY DANIEL WATT, WALTER DEIGNAN, RYAN
23 * GABRYS, ALAN PEREZ-RATHKE AND RAM VEDAM ``AS IS'' AND ANY EXPRESS OR
24 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
25 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
26 * DISCLAIMED. IN NO EVENT SHALL DANIEL WATT, WALTER DEIGNAN, RYAN
27 * GABRYS, ALAN PEREZ-RATHKE AND RAM VEDAM BE LIABLE FOR ANY DIRECT, INDIRECT,
28 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
29 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
30 * USE,DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
31 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
32 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
37 * Copyright (c) 2001 Wasabi Systems, Inc.
38 * All rights reserved.
40 * Written by Luke Mewburn for Wasabi Systems, Inc.
42 * Redistribution and use in source and binary forms, with or without
43 * modification, are permitted provided that the following conditions
45 * 1. Redistributions of source code must retain the above copyright
46 * notice, this list of conditions and the following disclaimer.
47 * 2. Redistributions in binary form must reproduce the above copyright
48 * notice, this list of conditions and the following disclaimer in the
49 * documentation and/or other materials provided with the distribution.
50 * 3. All advertising materials mentioning features or use of this software
51 * must display the following acknowledgement:
52 * This product includes software developed for the NetBSD Project by
53 * Wasabi Systems, Inc.
54 * 4. The name of Wasabi Systems, Inc. may not be used to endorse
55 * or promote products derived from this software without specific prior
58 * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
59 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
60 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
61 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC
62 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
63 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
64 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
65 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
66 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
67 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
68 * POSSIBILITY OF SUCH DAMAGE.
71 * Copyright (c) 1982, 1986, 1989, 1993
72 * The Regents of the University of California. All rights reserved.
74 * Redistribution and use in source and binary forms, with or without
75 * modification, are permitted provided that the following conditions
77 * 1. Redistributions of source code must retain the above copyright
78 * notice, this list of conditions and the following disclaimer.
79 * 2. Redistributions in binary form must reproduce the above copyright
80 * notice, this list of conditions and the following disclaimer in the
81 * documentation and/or other materials provided with the distribution.
82 * 3. Neither the name of the University nor the names of its contributors
83 * may be used to endorse or promote products derived from this software
84 * without specific prior written permission.
86 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
87 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
88 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
89 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
90 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
91 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
92 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
93 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
94 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
95 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
98 * $FreeBSD: head/usr.sbin/makefs/cd9660.c 331843 2018-03-31 15:04:41Z benno $
101 #include <sys/param.h>
102 #include <sys/queue.h>
110 #include "cd9660/iso9660_rrip.h"
111 #include "cd9660/cd9660_archimedes.h"
113 static void cd9660_finalize_PVD(iso9660_disk
*);
114 static cd9660node
*cd9660_allocate_cd9660node(void);
115 static void cd9660_set_defaults(iso9660_disk
*);
116 static int cd9660_arguments_set_string(const char *, const char *, int,
118 static void cd9660_populate_iso_dir_record(
119 struct _iso_directory_record_cd9660
*, u_char
, u_char
, u_char
,
121 static void cd9660_setup_root_node(iso9660_disk
*);
122 static int cd9660_setup_volume_descriptors(iso9660_disk
*);
124 static int cd9660_fill_extended_attribute_record(cd9660node
*);
126 static void cd9660_sort_nodes(cd9660node
*);
127 static int cd9660_translate_node_common(iso9660_disk
*, cd9660node
*);
128 static int cd9660_translate_node(iso9660_disk
*, fsnode
*, cd9660node
*);
129 static int cd9660_compare_filename(const char *, const char *);
130 static void cd9660_sorted_child_insert(cd9660node
*, cd9660node
*);
131 static int cd9660_handle_collisions(iso9660_disk
*, cd9660node
*, int);
132 static cd9660node
*cd9660_rename_filename(iso9660_disk
*, cd9660node
*, int,
134 static void cd9660_copy_filenames(iso9660_disk
*, cd9660node
*);
135 static void cd9660_sorting_nodes(cd9660node
*);
136 static int cd9660_count_collisions(cd9660node
*);
137 static cd9660node
*cd9660_rrip_move_directory(iso9660_disk
*, cd9660node
*);
138 static int cd9660_add_dot_records(iso9660_disk
*, cd9660node
*);
140 static void cd9660_convert_structure(iso9660_disk
*, fsnode
*, cd9660node
*, int,
142 static void cd9660_free_structure(cd9660node
*);
143 static int cd9660_generate_path_table(iso9660_disk
*);
144 static int cd9660_level1_convert_filename(iso9660_disk
*, const char *, char *,
146 static int cd9660_level2_convert_filename(iso9660_disk
*, const char *, char *,
149 static int cd9660_joliet_convert_filename(iso9660_disk
*, const char *, char *,
152 static int cd9660_convert_filename(iso9660_disk
*, const char *, char *, int);
153 static void cd9660_populate_dot_records(iso9660_disk
*, cd9660node
*);
154 static int64_t cd9660_compute_offsets(iso9660_disk
*, cd9660node
*, int64_t);
156 static int cd9660_copy_stat_info(cd9660node
*, cd9660node
*, int);
158 static cd9660node
*cd9660_create_virtual_entry(iso9660_disk
*, const char *,
159 cd9660node
*, int, int);
160 static cd9660node
*cd9660_create_file(iso9660_disk
*, const char *,
161 cd9660node
*, cd9660node
*);
162 static cd9660node
*cd9660_create_directory(iso9660_disk
*, const char *,
163 cd9660node
*, cd9660node
*);
164 static cd9660node
*cd9660_create_special_directory(iso9660_disk
*, u_char
,
166 static int cd9660_add_generic_bootimage(iso9660_disk
*, const char *);
170 * Allocate and initialize a cd9660node
171 * @returns struct cd9660node * Pointer to new node, or NULL on error
174 cd9660_allocate_cd9660node(void)
176 cd9660node
*temp
= ecalloc(1, sizeof(*temp
));
178 TAILQ_INIT(&temp
->cn_children
);
179 temp
->parent
= temp
->dot_record
= temp
->dot_dot_record
= NULL
;
180 temp
->ptnext
= temp
->ptprev
= temp
->ptlast
= NULL
;
182 temp
->isoDirRecord
= NULL
;
183 temp
->isoExtAttributes
= NULL
;
184 temp
->rr_real_parent
= temp
->rr_relocated
= NULL
;
185 temp
->su_tail_data
= NULL
;
190 * Set default values for cd9660 extension to makefs
193 cd9660_set_defaults(iso9660_disk
*diskStructure
)
195 /*Fix the sector size for now, though the spec allows for other sizes*/
196 diskStructure
->sectorSize
= 2048;
198 /* Set up defaults in our own structure */
199 diskStructure
->verbose_level
= 0;
200 diskStructure
->keep_bad_images
= 0;
201 diskStructure
->follow_sym_links
= 0;
202 diskStructure
->isoLevel
= 2;
204 diskStructure
->rock_ridge_enabled
= 0;
205 diskStructure
->rock_ridge_renamed_dir_name
= 0;
206 diskStructure
->rock_ridge_move_count
= 0;
207 diskStructure
->rr_moved_dir
= 0;
209 diskStructure
->archimedes_enabled
= 0;
210 diskStructure
->chrp_boot
= 0;
212 diskStructure
->include_padding_areas
= 1;
214 /* Spec breaking functionality */
215 diskStructure
->allow_deep_trees
=
216 diskStructure
->allow_start_dot
=
217 diskStructure
->allow_max_name
=
218 diskStructure
->allow_illegal_chars
=
219 diskStructure
->allow_lowercase
=
220 diskStructure
->allow_multidot
=
221 diskStructure
->omit_trailing_period
= 0;
223 /* Make sure the PVD is clear */
224 memset(&diskStructure
->primaryDescriptor
, 0, 2048);
226 memset(diskStructure
->primaryDescriptor
.publisher_id
, 0x20,128);
227 memset(diskStructure
->primaryDescriptor
.preparer_id
, 0x20,128);
228 memset(diskStructure
->primaryDescriptor
.application_id
, 0x20,128);
229 memset(diskStructure
->primaryDescriptor
.copyright_file_id
, 0x20,37);
230 memset(diskStructure
->primaryDescriptor
.abstract_file_id
, 0x20,37);
231 memset(diskStructure
->primaryDescriptor
.bibliographic_file_id
, 0x20,37);
233 strcpy(diskStructure
->primaryDescriptor
.system_id
, "FreeBSD");
235 /* Boot support: Initially disabled */
236 diskStructure
->has_generic_bootimage
= 0;
237 diskStructure
->generic_bootimage
= NULL
;
239 diskStructure
->boot_image_directory
= 0;
240 /*memset(diskStructure->boot_descriptor, 0, 2048);*/
242 diskStructure
->is_bootable
= 0;
243 TAILQ_INIT(&diskStructure
->boot_images
);
244 LIST_INIT(&diskStructure
->boot_entries
);
248 cd9660_prep_opts(fsinfo_t
*fsopts
)
250 iso9660_disk
*diskStructure
= ecalloc(1, sizeof(*diskStructure
));
252 #define OPT_STR(letter, name, desc) \
253 { letter, name, NULL, OPT_STRBUF, 0, 0, desc }
255 #define OPT_NUM(letter, name, field, min, max, desc) \
256 { letter, name, &diskStructure->field, \
257 sizeof(diskStructure->field) == 8 ? OPT_INT64 : \
258 (sizeof(diskStructure->field) == 4 ? OPT_INT32 : \
259 (sizeof(diskStructure->field) == 2 ? OPT_INT16 : OPT_INT8)), \
262 #define OPT_BOOL(letter, name, field, desc) \
263 OPT_NUM(letter, name, field, 0, 1, desc)
265 const option_t cd9660_options
[] = {
266 OPT_NUM('l', "isolevel", isoLevel
,
268 OPT_NUM('v', "verbose", verbose_level
,
269 0, 2, "Turns on verbose output"),
271 OPT_BOOL('h', "help", displayHelp
,
272 "Show help message"),
273 OPT_BOOL('S', "follow-symlinks", follow_sym_links
,
274 "Resolve symlinks in pathnames"),
275 OPT_BOOL('R', "rockridge", rock_ridge_enabled
,
276 "Enable Rock-Ridge extensions"),
277 OPT_BOOL('C', "chrp-boot", chrp_boot
,
279 OPT_BOOL('K', "keep-bad-images", keep_bad_images
,
281 OPT_BOOL('D', "allow-deep-trees", allow_deep_trees
,
282 "Allow trees more than 8 levels"),
283 OPT_BOOL('a', "allow-max-name", allow_max_name
,
284 "Allow 37 char filenames (unimplemented)"),
285 OPT_BOOL('i', "allow-illegal-chars", allow_illegal_chars
,
286 "Allow illegal characters in filenames"),
287 OPT_BOOL('m', "allow-multidot", allow_multidot
,
288 "Allow multiple periods in filenames"),
289 OPT_BOOL('o', "omit-trailing-period", omit_trailing_period
,
290 "Omit trailing periods in filenames"),
291 OPT_BOOL('\0', "allow-lowercase", allow_lowercase
,
292 "Allow lowercase characters in filenames"),
293 OPT_BOOL('\0', "archimedes", archimedes_enabled
,
294 "Enable Archimedes structure"),
295 OPT_BOOL('\0', "no-trailing-padding", include_padding_areas
,
296 "Include padding areas"),
298 OPT_STR('A', "applicationid", "Application Identifier"),
299 OPT_STR('P', "publisher", "Publisher Identifier"),
300 OPT_STR('p', "preparer", "Preparer Identifier"),
301 OPT_STR('L', "label", "Disk Label"),
302 OPT_STR('V', "volumeid", "Volume Set Identifier"),
303 OPT_STR('B', "bootimage", "Boot image parameter"),
304 OPT_STR('G', "generic-bootimage", "Generic boot image param"),
305 OPT_STR('\0', "bootimagedir", "Boot image directory"),
306 OPT_STR('\0', "no-emul-boot", "No boot emulation"),
307 OPT_STR('\0', "no-boot", "No boot support"),
308 OPT_STR('\0', "hard-disk-boot", "Boot from hard disk"),
309 OPT_STR('\0', "boot-load-segment", "Boot load segment"),
310 OPT_STR('\0', "platformid", "Section Header Platform ID"),
315 fsopts
->fs_specific
= diskStructure
;
316 fsopts
->fs_options
= copy_opts(cd9660_options
);
318 cd9660_set_defaults(diskStructure
);
322 cd9660_cleanup_opts(fsinfo_t
*fsopts
)
324 free(fsopts
->fs_specific
);
325 free(fsopts
->fs_options
);
329 cd9660_arguments_set_string(const char *val
, const char *fieldtitle
, int length
,
330 char testmode
, char * dest
)
335 warnx("error: The %s requires a string argument", fieldtitle
);
336 else if ((len
= strlen(val
)) <= length
) {
338 test
= cd9660_valid_d_chars(val
);
340 test
= cd9660_valid_a_chars(val
);
342 memcpy(dest
, val
, len
);
344 cd9660_uppercase_characters(dest
, len
);
347 warnx("error: The %s must be composed of "
348 "%c-characters", fieldtitle
, testmode
);
350 warnx("error: The %s must be at most 32 characters long",
356 * Command-line parsing function
360 cd9660_parse_opts(const char *option
, fsinfo_t
*fsopts
)
363 iso9660_disk
*diskStructure
= fsopts
->fs_specific
;
364 option_t
*cd9660_options
= fsopts
->fs_options
;
366 const char *name
, *desc
;
368 assert(option
!= NULL
);
370 if (debug
& DEBUG_FS_PARSE_OPTS
)
371 printf("%s: got `%s'\n", __func__
, option
);
373 i
= set_option(cd9660_options
, option
, buf
, sizeof(buf
));
377 if (cd9660_options
[i
].name
== NULL
)
380 name
= cd9660_options
[i
].name
;
381 desc
= cd9660_options
[i
].desc
;
382 switch (cd9660_options
[i
].letter
) {
385 rv
= 0; /* this is not handled yet */
388 rv
= cd9660_arguments_set_string(buf
, desc
, 32, 'd',
389 diskStructure
->primaryDescriptor
.volume_id
);
392 rv
= cd9660_arguments_set_string(buf
, desc
, 128, 'a',
393 diskStructure
->primaryDescriptor
.application_id
);
396 rv
= cd9660_arguments_set_string(buf
, desc
, 128, 'a',
397 diskStructure
->primaryDescriptor
.publisher_id
);
400 rv
= cd9660_arguments_set_string(buf
, desc
, 128, 'a',
401 diskStructure
->primaryDescriptor
.preparer_id
);
404 rv
= cd9660_arguments_set_string(buf
, desc
, 128, 'a',
405 diskStructure
->primaryDescriptor
.volume_set_id
);
409 if (buf
[0] == '\0') {
410 warnx("The Boot Image parameter requires a valid boot"
411 "information string");
414 rv
= cd9660_add_boot_disk(diskStructure
, buf
);
417 if (buf
[0] == '\0') {
418 warnx("The Generic Boot Image parameter requires a"
419 " valid boot information string");
422 rv
= cd9660_add_generic_bootimage(diskStructure
, buf
);
425 if (strcmp(name
, "bootimagedir") == 0) {
427 * XXXfvdl this is unused.
429 if (buf
[0] == '\0') {
430 warnx("The Boot Image Directory parameter"
431 " requires a directory name");
434 diskStructure
->boot_image_directory
=
435 emalloc(strlen(buf
) + 1);
436 /* BIG TODO: Add the max length function here */
437 rv
= cd9660_arguments_set_string(buf
, desc
, 12,
438 'd', diskStructure
->boot_image_directory
);
440 } else if (strcmp(name
, "no-emul-boot") == 0 ||
441 strcmp(name
, "no-boot") == 0 ||
442 strcmp(name
, "hard-disk-boot") == 0) {
444 cd9660_eltorito_add_boot_option(diskStructure
, name
, 0);
446 } else if (strcmp(name
, "boot-load-segment") == 0 ||
447 strcmp(name
, "platformid") == 0) {
448 if (buf
[0] == '\0') {
449 warnx("Option `%s' doesn't contain a value",
453 cd9660_eltorito_add_boot_option(diskStructure
,
464 * Main function for cd9660_makefs
465 * Builds the ISO image file
466 * @param const char *image The image filename to create
467 * @param const char *dir The directory that is being read
468 * @param struct fsnode *root The root node of the filesystem tree
469 * @param struct fsinfo_t *fsopts Any options
472 cd9660_makefs(const char *image
, const char *dir
, fsnode
*root
,
477 uint64_t pathTableSectors
;
478 int64_t firstAvailableSector
;
481 cd9660node
*real_root
;
482 iso9660_disk
*diskStructure
= fsopts
->fs_specific
;
484 if (diskStructure
->verbose_level
> 0)
485 printf("%s: ISO level is %i\n", __func__
,
486 diskStructure
->isoLevel
);
487 if (diskStructure
->isoLevel
< 2 &&
488 diskStructure
->allow_multidot
)
489 errx(EXIT_FAILURE
, "allow-multidot requires iso level of 2");
491 assert(image
!= NULL
);
493 assert(root
!= NULL
);
495 if (diskStructure
->displayHelp
) {
497 * Display help here - probably want to put it in
498 * a separate function
503 if (diskStructure
->verbose_level
> 0)
504 printf("%s: image %s directory %s root %p\n", __func__
,
507 /* Set up some constants. Later, these will be defined with options */
509 /* Counter needed for path tables */
512 /* Convert tree to our own format */
513 /* Actually, we now need to add the REAL root node, at level 0 */
515 real_root
= cd9660_allocate_cd9660node();
516 real_root
->isoDirRecord
= emalloc(sizeof(*real_root
->isoDirRecord
));
517 /* Leave filename blank for root */
518 memset(real_root
->isoDirRecord
->name
, 0,
519 ISO_FILENAME_MAXLENGTH_WITH_PADDING
);
521 real_root
->level
= 0;
522 diskStructure
->rootNode
= real_root
;
523 real_root
->type
= CD9660_TYPE_DIR
;
525 real_root
->node
= root
;
526 cd9660_convert_structure(diskStructure
, root
, real_root
, 1,
527 &numDirectories
, &error
);
529 if (TAILQ_EMPTY(&real_root
->cn_children
)) {
530 errx(EXIT_FAILURE
, "%s: converted directory is empty. "
531 "Tree conversion failed", __func__
);
532 } else if (error
!= 0) {
533 errx(EXIT_FAILURE
, "%s: tree conversion failed", __func__
);
535 if (diskStructure
->verbose_level
> 0)
536 printf("%s: tree converted\n", __func__
);
539 /* Add the dot and dot dot records */
540 cd9660_add_dot_records(diskStructure
, real_root
);
542 cd9660_setup_root_node(diskStructure
);
544 if (diskStructure
->verbose_level
> 0)
545 printf("%s: done converting tree\n", __func__
);
547 /* non-SUSP extensions */
548 if (diskStructure
->archimedes_enabled
)
549 archimedes_convert_tree(diskStructure
->rootNode
);
551 /* Rock ridge / SUSP init pass */
552 if (diskStructure
->rock_ridge_enabled
) {
553 cd9660_susp_initialize(diskStructure
, diskStructure
->rootNode
,
554 diskStructure
->rootNode
, NULL
);
557 /* Build path table structure */
558 diskStructure
->pathTableLength
= cd9660_generate_path_table(
561 pathTableSectors
= CD9660_BLOCKS(diskStructure
->sectorSize
,
562 diskStructure
->pathTableLength
);
564 firstAvailableSector
= cd9660_setup_volume_descriptors(diskStructure
);
565 if (diskStructure
->is_bootable
) {
566 firstAvailableSector
= cd9660_setup_boot(diskStructure
,
567 firstAvailableSector
);
568 if (firstAvailableSector
< 0)
569 errx(EXIT_FAILURE
, "setup_boot failed");
571 /* LE first, then BE */
572 diskStructure
->primaryLittleEndianTableSector
= firstAvailableSector
;
573 diskStructure
->primaryBigEndianTableSector
=
574 diskStructure
->primaryLittleEndianTableSector
+ pathTableSectors
;
576 /* Set the secondary ones to -1, not going to use them for now */
577 diskStructure
->secondaryBigEndianTableSector
= -1;
578 diskStructure
->secondaryLittleEndianTableSector
= -1;
580 diskStructure
->dataFirstSector
=
581 diskStructure
->primaryBigEndianTableSector
+ pathTableSectors
;
582 if (diskStructure
->verbose_level
> 0)
583 printf("%s: Path table conversion complete. "
584 "Each table is %i bytes, or %" PRIu64
" sectors.\n",
586 diskStructure
->pathTableLength
, pathTableSectors
);
588 startoffset
= diskStructure
->sectorSize
*diskStructure
->dataFirstSector
;
590 totalSpace
= cd9660_compute_offsets(diskStructure
, real_root
, startoffset
);
592 diskStructure
->totalSectors
= diskStructure
->dataFirstSector
+
593 CD9660_BLOCKS(diskStructure
->sectorSize
, totalSpace
);
595 /* Disabled until pass 1 is done */
596 if (diskStructure
->rock_ridge_enabled
) {
597 diskStructure
->susp_continuation_area_start_sector
=
598 diskStructure
->totalSectors
;
599 diskStructure
->totalSectors
+=
600 CD9660_BLOCKS(diskStructure
->sectorSize
,
601 diskStructure
->susp_continuation_area_size
);
602 cd9660_susp_finalize(diskStructure
, diskStructure
->rootNode
);
606 cd9660_finalize_PVD(diskStructure
);
608 /* Add padding sectors, just for testing purposes right now */
609 /* diskStructure->totalSectors+=150; */
611 /* Debugging output */
612 if (diskStructure
->verbose_level
> 0) {
613 printf("%s: Sectors 0-15 reserved\n", __func__
);
614 printf("%s: Primary path tables starts in sector %"
615 PRId64
"\n", __func__
,
616 diskStructure
->primaryLittleEndianTableSector
);
617 printf("%s: File data starts in sector %"
618 PRId64
"\n", __func__
, diskStructure
->dataFirstSector
);
619 printf("%s: Total sectors: %"
620 PRId64
"\n", __func__
, diskStructure
->totalSectors
);
624 * Add padding sectors at the end
625 * TODO: Clean this up and separate padding
627 if (diskStructure
->include_padding_areas
)
628 diskStructure
->totalSectors
+= 150;
630 cd9660_write_image(diskStructure
, image
);
632 if (diskStructure
->verbose_level
> 1) {
633 debug_print_volume_descriptor_information(diskStructure
);
634 debug_print_tree(diskStructure
, real_root
, 0);
635 debug_print_path_tree(real_root
);
638 /* Clean up data structures */
639 cd9660_free_structure(real_root
);
641 if (diskStructure
->verbose_level
> 0)
642 printf("%s: done\n", __func__
);
645 /* Generic function pointer - implement later */
646 typedef int (*cd9660node_func
)(cd9660node
*);
649 cd9660_finalize_PVD(iso9660_disk
*diskStructure
)
651 time_t tstamp
= stampst
.st_ino
? stampst
.st_mtime
: time(NULL
);
653 /* root should be a fixed size of 34 bytes since it has no name */
654 memcpy(diskStructure
->primaryDescriptor
.root_directory_record
,
655 diskStructure
->rootNode
->dot_record
->isoDirRecord
, 34);
657 /* In RRIP, this might be longer than 34 */
658 diskStructure
->primaryDescriptor
.root_directory_record
[0] = 34;
660 /* Set up all the important numbers in the PVD */
661 cd9660_bothendian_dword(diskStructure
->totalSectors
,
662 (unsigned char *)diskStructure
->primaryDescriptor
.volume_space_size
);
663 cd9660_bothendian_word(1,
664 (unsigned char *)diskStructure
->primaryDescriptor
.volume_set_size
);
665 cd9660_bothendian_word(1,
667 diskStructure
->primaryDescriptor
.volume_sequence_number
);
668 cd9660_bothendian_word(diskStructure
->sectorSize
,
670 diskStructure
->primaryDescriptor
.logical_block_size
);
671 cd9660_bothendian_dword(diskStructure
->pathTableLength
,
672 (unsigned char *)diskStructure
->primaryDescriptor
.path_table_size
);
674 cd9660_731(diskStructure
->primaryLittleEndianTableSector
,
675 (u_char
*)diskStructure
->primaryDescriptor
.type_l_path_table
);
676 cd9660_732(diskStructure
->primaryBigEndianTableSector
,
677 (u_char
*)diskStructure
->primaryDescriptor
.type_m_path_table
);
679 diskStructure
->primaryDescriptor
.file_structure_version
[0] = 1;
681 /* Pad all strings with spaces instead of nulls */
682 cd9660_pad_string_spaces(diskStructure
->primaryDescriptor
.volume_id
, 32);
683 cd9660_pad_string_spaces(diskStructure
->primaryDescriptor
.system_id
, 32);
684 cd9660_pad_string_spaces(diskStructure
->primaryDescriptor
.volume_set_id
,
686 cd9660_pad_string_spaces(diskStructure
->primaryDescriptor
.publisher_id
,
688 cd9660_pad_string_spaces(diskStructure
->primaryDescriptor
.preparer_id
,
690 cd9660_pad_string_spaces(diskStructure
->primaryDescriptor
.application_id
,
692 cd9660_pad_string_spaces(
693 diskStructure
->primaryDescriptor
.copyright_file_id
, 37);
694 cd9660_pad_string_spaces(
695 diskStructure
->primaryDescriptor
.abstract_file_id
, 37);
696 cd9660_pad_string_spaces(
697 diskStructure
->primaryDescriptor
.bibliographic_file_id
, 37);
701 (unsigned char *)diskStructure
->primaryDescriptor
.creation_date
,
704 (unsigned char *)diskStructure
->primaryDescriptor
.modification_date
,
708 cd9660_set_date(diskStructure
->primaryDescriptor
.expiration_date
,
712 memset(diskStructure
->primaryDescriptor
.expiration_date
, '0', 16);
713 diskStructure
->primaryDescriptor
.expiration_date
[16] = 0;
716 (unsigned char *)diskStructure
->primaryDescriptor
.effective_date
,
719 cd9660_time_915(diskStructure
->rootNode
->dot_record
->isoDirRecord
->date
,
724 cd9660_populate_iso_dir_record(struct _iso_directory_record_cd9660
*record
,
725 u_char ext_attr_length
, u_char flags
,
726 u_char name_len
, const char * name
)
728 record
->ext_attr_length
[0] = ext_attr_length
;
729 record
->flags
[0] = ISO_FLAG_CLEAR
| flags
;
730 record
->file_unit_size
[0] = 0;
731 record
->interleave
[0] = 0;
732 cd9660_bothendian_word(1, record
->volume_sequence_number
);
733 record
->name_len
[0] = name_len
;
734 memset(record
->name
, '\0', sizeof (record
->name
));
735 memcpy(record
->name
, name
, name_len
);
736 record
->length
[0] = 33 + name_len
;
738 /* Todo : better rounding */
739 record
->length
[0] += (record
->length
[0] & 1) ? 1 : 0;
743 cd9660_setup_root_node(iso9660_disk
*diskStructure
)
745 cd9660_populate_iso_dir_record(diskStructure
->rootNode
->isoDirRecord
,
746 0, ISO_FLAG_DIRECTORY
, 1, "\0");
750 /*********** SUPPORT FUNCTIONS ***********/
752 cd9660_setup_volume_descriptors(iso9660_disk
*diskStructure
)
754 /* Boot volume descriptor should come second */
756 /* For now, a fixed 2 : PVD and terminator */
757 volume_descriptor
*temp
, *t
;
760 temp
= emalloc(sizeof(*temp
));
761 temp
->volumeDescriptorData
=
762 (unsigned char *)&diskStructure
->primaryDescriptor
;
763 temp
->volumeDescriptorData
[0] = ISO_VOLUME_DESCRIPTOR_PVD
;
764 temp
->volumeDescriptorData
[6] = 1;
765 temp
->sector
= sector
;
766 memcpy(temp
->volumeDescriptorData
+ 1,
767 ISO_VOLUME_DESCRIPTOR_STANDARD_ID
, 5);
768 diskStructure
->firstVolumeDescriptor
= temp
;
771 /* Set up boot support if enabled. BVD must reside in sector 17 */
772 if (diskStructure
->is_bootable
) {
773 t
= emalloc(sizeof(*t
));
774 t
->volumeDescriptorData
= ecalloc(1, 2048);
778 if (diskStructure
->verbose_level
> 0)
779 printf("Setting up boot volume descriptor\n");
780 cd9660_setup_boot_volume_descriptor(diskStructure
, t
);
784 /* Set up the terminator */
785 t
= emalloc(sizeof(*t
));
786 t
->volumeDescriptorData
= ecalloc(1, 2048);
788 t
->volumeDescriptorData
[0] = ISO_VOLUME_DESCRIPTOR_TERMINATOR
;
790 t
->volumeDescriptorData
[6] = 1;
792 memcpy(t
->volumeDescriptorData
+ 1,
793 ISO_VOLUME_DESCRIPTOR_STANDARD_ID
, 5);
801 * Populate EAR at some point. Not required, but is used by NetBSD's
805 cd9660_fill_extended_attribute_record(cd9660node
*node
)
807 node
->isoExtAttributes
= emalloc(sizeof(*node
->isoExtAttributes
));
813 cd9660_translate_node_common(iso9660_disk
*diskStructure
, cd9660node
*newnode
)
815 time_t tstamp
= stampst
.st_ino
? stampst
.st_mtime
: time(NULL
);
817 char temp
[ISO_FILENAME_MAXLENGTH_WITH_PADDING
];
819 /* Now populate the isoDirRecord structure */
820 memset(temp
, 0, ISO_FILENAME_MAXLENGTH_WITH_PADDING
);
822 (void)cd9660_convert_filename(diskStructure
, newnode
->node
->name
,
823 temp
, !(S_ISDIR(newnode
->node
->type
)));
825 flag
= ISO_FLAG_CLEAR
;
826 if (S_ISDIR(newnode
->node
->type
))
827 flag
|= ISO_FLAG_DIRECTORY
;
829 cd9660_populate_iso_dir_record(newnode
->isoDirRecord
, 0,
830 flag
, strlen(temp
), temp
);
832 /* Set the various dates */
834 /* If we want to use the current date and time */
836 cd9660_time_915(newnode
->isoDirRecord
->date
, tstamp
);
838 cd9660_bothendian_dword(newnode
->fileDataLength
,
839 newnode
->isoDirRecord
->size
);
840 /* If the file is a link, we want to set the size to 0 */
841 if (S_ISLNK(newnode
->node
->type
))
842 newnode
->fileDataLength
= 0;
848 * Translate fsnode to cd9660node
849 * Translate filenames and other metadata, including dates, sizes,
851 * @param struct fsnode * The node generated by makefs
852 * @param struct cd9660node * The intermediate node to be written to
853 * @returns int 0 on failure, 1 on success
856 cd9660_translate_node(iso9660_disk
*diskStructure
, fsnode
*node
,
860 if (diskStructure
->verbose_level
> 0)
861 printf("%s: NULL node passed, returning\n", __func__
);
864 newnode
->isoDirRecord
= emalloc(sizeof(*newnode
->isoDirRecord
));
865 /* Set the node pointer */
866 newnode
->node
= node
;
869 if (!(S_ISDIR(node
->type
)))
870 newnode
->fileDataLength
= node
->inode
->st
.st_size
;
872 if (cd9660_translate_node_common(diskStructure
, newnode
) == 0)
875 /* Finally, overwrite some of the values that are set by default */
876 cd9660_time_915(newnode
->isoDirRecord
->date
,
877 stampst
.st_ino
? stampst
.st_mtime
: node
->inode
->st
.st_mtime
);
883 * Compares two ISO filenames
884 * @param const char * The first file name
885 * @param const char * The second file name
886 * @returns : -1 if first is less than second, 0 if they are the same, 1 if
887 * the second is greater than the first
890 cd9660_compare_filename(const char *first
, const char *second
)
893 * This can be made more optimal once it has been tested
894 * (the extra character, for example, is for testing)
900 /* First, on the filename */
902 while (p1
< ISO_FILENAME_MAXLENGTH_BEFORE_VERSION
-1
903 && p2
< ISO_FILENAME_MAXLENGTH_BEFORE_VERSION
-1) {
906 if (c1
== '.' && c2
=='.')
908 else if (c1
== '.') {
911 } else if (c2
== '.') {
926 if (first
[p1
] == '.' && second
[p2
] == '.') {
929 while (p1
< ISO_FILENAME_MAXLENGTH_BEFORE_VERSION
- 1
930 && p2
< ISO_FILENAME_MAXLENGTH_BEFORE_VERSION
- 1) {
933 if (c1
== ';' && c2
== ';')
935 else if (c1
== ';') {
938 } else if (c2
== ';') {
956 * Insert a node into list with ISO sorting rules
957 * @param cd9660node * The head node of the list
958 * @param cd9660node * The node to be inserted
961 cd9660_sorted_child_insert(cd9660node
*parent
, cd9660node
*cn_new
)
965 struct cd9660_children_head
*head
= &parent
->cn_children
;
967 /* TODO: Optimize? */
968 cn_new
->parent
= parent
;
971 * first will either be 0, the . or the ..
972 * if . or .., this means no other entry may be written before first
973 * if 0, the new node may be inserted at the head
976 TAILQ_FOREACH(cn
, head
, cn_next_child
) {
978 * Dont insert a node twice -
979 * that would cause an infinite loop
984 compare
= cd9660_compare_filename(cn_new
->isoDirRecord
->name
,
985 cn
->isoDirRecord
->name
);
988 compare
= cd9660_compare_filename(cn_new
->node
->name
,
995 TAILQ_INSERT_TAIL(head
, cn_new
, cn_next_child
);
997 TAILQ_INSERT_BEFORE(cn
, cn_new
, cn_next_child
);
1001 * Called After cd9660_sorted_child_insert
1002 * handles file collisions by suffixing each filname with ~n
1003 * where n represents the files respective place in the ordering
1006 cd9660_handle_collisions(iso9660_disk
*diskStructure
, cd9660node
*colliding
,
1009 cd9660node
*iter
, *next
, *prev
;
1011 int delete_chars
= 0;
1012 int temp_past
= past
;
1015 cd9660node
*end_of_range
;
1017 for (iter
= TAILQ_FIRST(&colliding
->cn_children
);
1018 iter
!= NULL
&& (next
= TAILQ_NEXT(iter
, cn_next_child
)) != NULL
;) {
1019 if (strcmp(iter
->isoDirRecord
->name
,
1020 next
->isoDirRecord
->name
) != 0) {
1021 iter
= TAILQ_NEXT(iter
, cn_next_child
);
1025 temp_skip
= skip
= cd9660_count_collisions(iter
);
1026 end_of_range
= iter
;
1027 while (temp_skip
> 0) {
1029 end_of_range
= TAILQ_NEXT(end_of_range
, cn_next_child
);
1032 while (temp_past
> 0) {
1033 if ((next
= TAILQ_NEXT(end_of_range
, cn_next_child
)) != NULL
)
1034 end_of_range
= next
;
1035 else if ((prev
= TAILQ_PREV(iter
, cd9660_children_head
, cn_next_child
)) != NULL
)
1042 iter
= cd9660_rename_filename(diskStructure
, iter
, skip
,
1050 cd9660_rename_filename(iso9660_disk
*diskStructure
, cd9660node
*iter
, int num
,
1054 int numbts
, digit
, digits
, temp
, powers
, count
;
1059 if (diskStructure
->verbose_level
> 0)
1060 printf("Rename_filename called\n");
1062 assert(1 <= diskStructure
->isoLevel
&& diskStructure
->isoLevel
<= 2);
1063 /* TODO : A LOT of chanes regarding 8.3 filenames */
1064 if (diskStructure
->isoLevel
== 1)
1066 else if (diskStructure
->isoLevel
== 2)
1069 maxlength
= ISO_FILENAME_MAXLENGTH_BEFORE_VERSION
;
1071 tmp
= emalloc(ISO_FILENAME_MAXLENGTH_WITH_PADDING
);
1073 while (i
< num
&& iter
) {
1077 while (((int)(i
/ powers
) ) >= 10) {
1079 powers
= powers
* 10;
1082 naming
= iter
->o_name
;
1085 while ((*naming != '.') && (*naming != ';')) {
1091 while (count
< maxlength
) {
1098 if ((count
+ digits
) < maxlength
)
1101 numbts
= maxlength
- (digits
);
1102 numbts
-= delete_chars
;
1104 /* 8.3 rules - keep the extension, add before the dot */
1107 * This code makes a bunch of assumptions.
1108 * See if you can spot them all :)
1112 if (diskStructure
->isoLevel
== 1) {
1113 numbts
= 8 - digits
- delete_chars
;
1118 memmove(&tmp
[numbts
],&tmp
[dot
],4);
1124 /* (copying just the filename before the '.' */
1125 memcpy(tmp
, (iter
->o_name
), numbts
);
1127 /* adding the appropriate number following the name */
1129 while (digits
> 0) {
1130 digit
= (int)(temp
/ powers
);
1131 temp
= temp
- digit
* powers
;
1132 sprintf(&tmp
[numbts
] , "%d", digit
);
1135 powers
= powers
/ 10;
1138 while ((*naming
!= ';') && (numbts
< maxlength
)) {
1139 tmp
[numbts
] = (*naming
);
1145 tmp
[numbts
+1] = '1';
1146 tmp
[numbts
+2] = '\0';
1149 * now tmp has exactly the identifier
1150 * we want so we'll copy it back to record
1152 memcpy((iter
->isoDirRecord
->name
), tmp
, numbts
+ 3);
1154 iter
= TAILQ_NEXT(iter
, cn_next_child
);
1162 /* Todo: Figure out why these functions are nec. */
1164 cd9660_copy_filenames(iso9660_disk
*diskStructure
, cd9660node
*node
)
1168 if (TAILQ_EMPTY(&node
->cn_children
))
1171 if (TAILQ_FIRST(&node
->cn_children
)->isoDirRecord
== NULL
) {
1172 debug_print_tree(diskStructure
, diskStructure
->rootNode
, 0);
1176 TAILQ_FOREACH(cn
, &node
->cn_children
, cn_next_child
) {
1177 cd9660_copy_filenames(diskStructure
, cn
);
1178 memcpy(cn
->o_name
, cn
->isoDirRecord
->name
,
1179 ISO_FILENAME_MAXLENGTH_WITH_PADDING
);
1184 cd9660_sorting_nodes(cd9660node
*node
)
1188 TAILQ_FOREACH(cn
, &node
->cn_children
, cn_next_child
)
1189 cd9660_sorting_nodes(cn
);
1190 cd9660_sort_nodes(node
);
1193 /* XXX Bubble sort. */
1195 cd9660_sort_nodes(cd9660node
*node
)
1197 cd9660node
*cn
, *next
;
1200 TAILQ_FOREACH(cn
, &node
->cn_children
, cn_next_child
) {
1201 if ((next
= TAILQ_NEXT(cn
, cn_next_child
)) == NULL
)
1203 else if (strcmp(next
->isoDirRecord
->name
,
1204 cn
->isoDirRecord
->name
) >= 0)
1206 TAILQ_REMOVE(&node
->cn_children
, next
, cn_next_child
);
1207 TAILQ_INSERT_BEFORE(cn
, next
, cn_next_child
);
1210 } while (cn
!= NULL
);
1214 cd9660_count_collisions(cd9660node
*copy
)
1217 cd9660node
*iter
, *next
;
1220 (next
= TAILQ_NEXT(iter
, cn_next_child
)) != NULL
;
1222 if (cd9660_compare_filename(iter
->isoDirRecord
->name
,
1223 next
->isoDirRecord
->name
) == 0)
1229 if ((next
= TAILQ_NEXT(iter
, cn_next_child
)) != NULL
) {
1230 printf("%s: count is %i\n", __func__
, count
);
1231 compare
= cd9660_compare_filename(iter
->isoDirRecord
->name
,
1232 next
->isoDirRecord
->name
);
1235 return cd9660_recurse_on_collision(next
, count
);
1244 cd9660_rrip_move_directory(iso9660_disk
*diskStructure
, cd9660node
*dir
)
1250 * This function needs to:
1251 * 1) Create an empty virtual file in place of the old directory
1252 * 2) Point the virtual file to the new directory
1253 * 3) Point the relocated directory to its old parent
1254 * 4) Move the directory specified by dir into rr_moved_dir,
1255 * and rename it to "diskStructure->rock_ridge_move_count" (as a string)
1258 /* First see if the moved directory even exists */
1259 if (diskStructure
->rr_moved_dir
== NULL
) {
1260 diskStructure
->rr_moved_dir
= cd9660_create_directory(
1261 diskStructure
, ISO_RRIP_DEFAULT_MOVE_DIR_NAME
,
1262 diskStructure
->rootNode
, dir
);
1263 if (diskStructure
->rr_moved_dir
== NULL
)
1265 cd9660_time_915(diskStructure
->rr_moved_dir
->isoDirRecord
->date
,
1266 stampst
.st_ino
? stampst
.st_mtime
: start_time
.tv_sec
);
1269 /* Create a file with the same ORIGINAL name */
1270 tfile
= cd9660_create_file(diskStructure
, dir
->node
->name
, dir
->parent
,
1275 diskStructure
->rock_ridge_move_count
++;
1276 snprintf(newname
, sizeof(newname
), "%08i",
1277 diskStructure
->rock_ridge_move_count
);
1279 /* Point to old parent */
1280 dir
->rr_real_parent
= dir
->parent
;
1282 /* Place the placeholder file */
1283 if (TAILQ_EMPTY(&dir
->rr_real_parent
->cn_children
)) {
1284 TAILQ_INSERT_HEAD(&dir
->rr_real_parent
->cn_children
, tfile
,
1287 cd9660_sorted_child_insert(dir
->rr_real_parent
, tfile
);
1290 /* Point to new parent */
1291 dir
->parent
= diskStructure
->rr_moved_dir
;
1293 /* Point the file to the moved directory */
1294 tfile
->rr_relocated
= dir
;
1296 /* Actually move the directory */
1297 cd9660_sorted_child_insert(diskStructure
->rr_moved_dir
, dir
);
1299 /* TODO: Inherit permissions / ownership (basically the entire inode) */
1301 /* Set the new name */
1302 memset(dir
->isoDirRecord
->name
, 0, ISO_FILENAME_MAXLENGTH_WITH_PADDING
);
1303 strncpy(dir
->isoDirRecord
->name
, newname
, 8);
1304 dir
->isoDirRecord
->length
[0] = 34 + 8;
1305 dir
->isoDirRecord
->name_len
[0] = 8;
1311 cd9660_add_dot_records(iso9660_disk
*diskStructure
, cd9660node
*root
)
1313 struct cd9660_children_head
*head
= &root
->cn_children
;
1316 TAILQ_FOREACH(cn
, head
, cn_next_child
) {
1317 if ((cn
->type
& CD9660_TYPE_DIR
) == 0)
1319 /* Recursion first */
1320 cd9660_add_dot_records(diskStructure
, cn
);
1322 cd9660_create_special_directory(diskStructure
, CD9660_TYPE_DOT
, root
);
1323 cd9660_create_special_directory(diskStructure
, CD9660_TYPE_DOTDOT
,
1329 * Convert node to cd9660 structure
1330 * This function is designed to be called recursively on the root node of
1332 * Lots of recursion going on here, want to make sure it is efficient
1333 * @param struct fsnode * The root node to be converted
1334 * @param struct cd9660* The parent node (should not be NULL)
1335 * @param int Current directory depth
1336 * @param int* Running count of the number of directories that are being created
1339 cd9660_convert_structure(iso9660_disk
*diskStructure
, fsnode
*root
,
1340 cd9660node
*parent_node
, int level
, int *numDirectories
, int *error
)
1342 fsnode
*iterator
= root
;
1343 cd9660node
*this_node
;
1350 * Newer, more efficient method, reduces recursion depth
1353 warnx("%s: root is null", __func__
);
1357 /* Test for an empty directory - makefs still gives us the . record */
1358 if ((S_ISDIR(root
->type
)) && (root
->name
[0] == '.')
1359 && (root
->name
[1] == '\0')) {
1364 if ((this_node
= cd9660_allocate_cd9660node()) == NULL
) {
1365 CD9660_MEM_ALLOC_ERROR(__func__
);
1369 * To reduce the number of recursive calls, we will iterate over
1370 * the next pointers to the right.
1372 while (iterator
!= NULL
) {
1375 * Increment the directory count if this is a directory
1376 * Ignore "." entries. We will generate them later
1378 if (!S_ISDIR(iterator
->type
) ||
1379 strcmp(iterator
->name
, ".") != 0) {
1381 /* Translate the node, including its filename */
1382 this_node
->parent
= parent_node
;
1383 cd9660_translate_node(diskStructure
, iterator
,
1385 this_node
->level
= level
;
1387 if (S_ISDIR(iterator
->type
)) {
1388 (*numDirectories
)++;
1389 this_node
->type
= CD9660_TYPE_DIR
;
1390 working_level
= level
+ 1;
1393 * If at level 8, directory would be at 8
1394 * and have children at 9 which is not
1395 * allowed as per ISO spec
1398 if ((!diskStructure
->allow_deep_trees
) &&
1399 (!diskStructure
->rock_ridge_enabled
)) {
1400 warnx("error: found entry "
1401 "with depth greater "
1405 } else if (diskStructure
->
1406 rock_ridge_enabled
) {
1409 * Moved directory is actually
1414 if (cd9660_rrip_move_directory(
1416 this_node
) == NULL
) {
1428 /* Do the recursive call on the children */
1429 if (iterator
->child
!= NULL
) {
1430 cd9660_convert_structure(diskStructure
,
1431 iterator
->child
, this_node
,
1433 numDirectories
, error
);
1435 if ((*error
) == 1) {
1436 warnx("%s: Error on recursive "
1443 /* Only directories should have children */
1444 assert(iterator
->child
== NULL
);
1446 this_node
->type
= CD9660_TYPE_FILE
;
1450 * Finally, do a sorted insert
1453 cd9660_sorted_child_insert(
1454 parent_node
, this_node
);
1457 /*Allocate new temp_node */
1458 if (iterator
->next
!= NULL
) {
1459 this_node
= cd9660_allocate_cd9660node();
1460 if (this_node
== NULL
)
1461 CD9660_MEM_ALLOC_ERROR(__func__
);
1464 iterator
= iterator
->next
;
1467 /* cd9660_handle_collisions(first_node); */
1469 /* TODO: need cleanup */
1470 cd9660_copy_filenames(diskStructure
, parent_node
);
1473 flag
= cd9660_handle_collisions(diskStructure
, parent_node
,
1476 cd9660_sorting_nodes(parent_node
);
1477 } while ((flag
== 1) && (counter
< 100));
1481 * Clean up the cd9660node tree
1482 * This is designed to be called recursively on the root node
1483 * @param struct cd9660node *root The node to free
1487 cd9660_free_structure(cd9660node
*root
)
1491 while ((cn
= TAILQ_FIRST(&root
->cn_children
)) != NULL
) {
1492 TAILQ_REMOVE(&root
->cn_children
, cn
, cn_next_child
);
1493 cd9660_free_structure(cn
);
1499 * Be a little more memory conservative:
1500 * instead of having the TAILQ_ENTRY as part of the cd9660node,
1501 * just create a temporary structure
1503 static struct ptq_entry
1505 TAILQ_ENTRY(ptq_entry
) ptq
;
1509 #define PTQUEUE_NEW(n,s,r,t){\
1510 n = emalloc(sizeof(struct s)); \
1515 * Generate the path tables
1516 * The specific implementation of this function is left as an exercise to the
1517 * programmer. It could be done recursively. Make sure you read how the path
1518 * table has to be laid out, it has levels.
1519 * @param struct iso9660_disk *disk The disk image
1520 * @returns int The number of built path tables (between 1 and 4), 0 on failure
1523 cd9660_generate_path_table(iso9660_disk
*diskStructure
)
1525 cd9660node
*cn
, *dirNode
= diskStructure
->rootNode
;
1526 cd9660node
*last
= dirNode
;
1527 int pathTableSize
= 0; /* computed as we go */
1528 int counter
= 1; /* root gets a count of 0 */
1530 TAILQ_HEAD(cd9660_pt_head
, ptq_entry
) pt_head
;
1531 TAILQ_INIT(&pt_head
);
1533 PTQUEUE_NEW(n
, ptq_entry
, -1, diskStructure
->rootNode
);
1535 /* Push the root node */
1536 TAILQ_INSERT_HEAD(&pt_head
, n
, ptq
);
1538 /* Breadth-first traversal of file structure */
1539 while (pt_head
.tqh_first
!= 0) {
1540 n
= pt_head
.tqh_first
;
1542 TAILQ_REMOVE(&pt_head
, pt_head
.tqh_first
, ptq
);
1545 /* Update the size */
1546 pathTableSize
+= ISO_PATHTABLE_ENTRY_BASESIZE
1547 + dirNode
->isoDirRecord
->name_len
[0]+
1548 (dirNode
->isoDirRecord
->name_len
[0] % 2 == 0 ? 0 : 1);
1549 /* includes the padding bit */
1551 dirNode
->ptnumber
=counter
;
1552 if (dirNode
!= last
) {
1553 last
->ptnext
= dirNode
;
1554 dirNode
->ptprev
= last
;
1558 /* Push children onto queue */
1559 TAILQ_FOREACH(cn
, &dirNode
->cn_children
, cn_next_child
) {
1561 * Dont add the DOT and DOTDOT types to the path
1564 if ((cn
->type
!= CD9660_TYPE_DOT
)
1565 && (cn
->type
!= CD9660_TYPE_DOTDOT
)) {
1567 if (S_ISDIR(cn
->node
->type
)) {
1568 PTQUEUE_NEW(n
, ptq_entry
, -1, cn
);
1569 TAILQ_INSERT_TAIL(&pt_head
, n
, ptq
);
1575 return pathTableSize
;
1579 cd9660_compute_full_filename(cd9660node
*node
, char *buf
)
1583 len
= CD9660MAXPATH
+ 1;
1584 len
= snprintf(buf
, len
, "%s/%s/%s", node
->node
->root
,
1585 node
->node
->path
, node
->node
->name
);
1586 if (len
> CD9660MAXPATH
)
1587 errx(EXIT_FAILURE
, "Pathname too long.");
1590 /* NEW filename conversion method */
1591 typedef int(*cd9660_filename_conversion_functor
)(iso9660_disk
*, const char *,
1596 * TODO: These two functions are almost identical.
1597 * Some code cleanup is possible here
1599 * XXX bounds checking!
1602 cd9660_level1_convert_filename(iso9660_disk
*diskStructure
, const char *oldname
,
1603 char *newname
, int is_file
)
1607 * File Name shall not contain more than 8 d or d1 characters
1608 * File Name Extension shall not contain more than 3 d or d1 characters
1609 * Directory Identifier shall not contain more than 8 d or d1 characters
1615 while (*oldname
!= '\0' && extlen
< 3) {
1616 /* Handle period first, as it is special */
1617 if (*oldname
== '.') {
1627 /* cut RISC OS file type off ISO name */
1628 if (diskStructure
->archimedes_enabled
&&
1629 *oldname
== ',' && strlen(oldname
) == 4)
1632 /* Enforce 12.3 / 8 */
1633 if (namelen
== 8 && !found_ext
)
1636 if (islower((unsigned char)*oldname
))
1637 *newname
++ = toupper((unsigned char)*oldname
);
1638 else if (isupper((unsigned char)*oldname
)
1639 || isdigit((unsigned char)*oldname
))
1640 *newname
++ = *oldname
;
1652 if (!found_ext
&& !diskStructure
->omit_trailing_period
)
1655 sprintf(newname
, ";%i", 1);
1657 return namelen
+ extlen
+ found_ext
;
1660 /* XXX bounds checking! */
1662 cd9660_level2_convert_filename(iso9660_disk
*diskStructure
, const char *oldname
,
1663 char *newname
, int is_file
)
1667 * File name : 0+ d or d1 characters
1669 * File name extension : 0+ d or d1 characters
1671 * File version number (5 characters, 1-32767)
1672 * 1 <= Sum of File name and File name extension <= 30
1678 while (*oldname
!= '\0' && namelen
+ extlen
< 30) {
1679 /* Handle period first, as it is special */
1680 if (*oldname
== '.') {
1682 if (diskStructure
->allow_multidot
) {
1694 /* cut RISC OS file type off ISO name */
1695 if (diskStructure
->archimedes_enabled
&&
1696 *oldname
== ',' && strlen(oldname
) == 4)
1699 if (islower((unsigned char)*oldname
))
1700 *newname
++ = toupper((unsigned char)*oldname
);
1701 else if (isupper((unsigned char)*oldname
) ||
1702 isdigit((unsigned char)*oldname
))
1703 *newname
++ = *oldname
;
1704 else if (diskStructure
->allow_multidot
&&
1719 if (!found_ext
&& !diskStructure
->omit_trailing_period
)
1722 sprintf(newname
, ";%i", 1);
1724 return namelen
+ extlen
+ found_ext
;
1729 cd9660_joliet_convert_filename(iso9660_disk
*diskStructure
, const char *oldname
,
1730 char *newname
, int is_file
)
1732 /* TODO: implement later, move to cd9660_joliet.c ?? */
1738 * Convert a file name to ISO compliant file name
1739 * @param char * oldname The original filename
1740 * @param char ** newname The new file name, in the appropriate character
1741 * set and of appropriate length
1742 * @param int 1 if file, 0 if directory
1743 * @returns int The length of the new string
1746 cd9660_convert_filename(iso9660_disk
*diskStructure
, const char *oldname
,
1747 char *newname
, int is_file
)
1749 assert(1 <= diskStructure
->isoLevel
&& diskStructure
->isoLevel
<= 2);
1751 cd9660_filename_conversion_functor conversion_function
= NULL
;
1752 if (diskStructure
->isoLevel
== 1)
1753 conversion_function
= &cd9660_level1_convert_filename
;
1754 else if (diskStructure
->isoLevel
== 2)
1755 conversion_function
= &cd9660_level2_convert_filename
;
1756 return (*conversion_function
)(diskStructure
, oldname
, newname
, is_file
);
1760 cd9660_compute_record_size(iso9660_disk
*diskStructure
, cd9660node
*node
)
1762 int size
= node
->isoDirRecord
->length
[0];
1764 if (diskStructure
->rock_ridge_enabled
)
1765 size
+= node
->susp_entry_size
;
1766 size
+= node
->su_tail_size
;
1767 size
+= size
& 1; /* Ensure length of record is even. */
1768 assert(size
<= 254);
1773 cd9660_populate_dot_records(iso9660_disk
*diskStructure
, cd9660node
*node
)
1775 node
->dot_record
->fileDataSector
= node
->fileDataSector
;
1776 memcpy(node
->dot_record
->isoDirRecord
,node
->isoDirRecord
, 34);
1777 node
->dot_record
->isoDirRecord
->name_len
[0] = 1;
1778 node
->dot_record
->isoDirRecord
->name
[0] = 0;
1779 node
->dot_record
->isoDirRecord
->name
[1] = 0;
1780 node
->dot_record
->isoDirRecord
->length
[0] = 34;
1781 node
->dot_record
->fileRecordSize
=
1782 cd9660_compute_record_size(diskStructure
, node
->dot_record
);
1784 if (node
== diskStructure
->rootNode
) {
1785 node
->dot_dot_record
->fileDataSector
= node
->fileDataSector
;
1786 memcpy(node
->dot_dot_record
->isoDirRecord
,node
->isoDirRecord
,
1789 node
->dot_dot_record
->fileDataSector
=
1790 node
->parent
->fileDataSector
;
1791 memcpy(node
->dot_dot_record
->isoDirRecord
,
1792 node
->parent
->isoDirRecord
,34);
1794 node
->dot_dot_record
->isoDirRecord
->name_len
[0] = 1;
1795 node
->dot_dot_record
->isoDirRecord
->name
[0] = 1;
1796 node
->dot_dot_record
->isoDirRecord
->name
[1] = 0;
1797 node
->dot_dot_record
->isoDirRecord
->length
[0] = 34;
1798 node
->dot_dot_record
->fileRecordSize
=
1799 cd9660_compute_record_size(diskStructure
, node
->dot_dot_record
);
1803 * @param struct cd9660node *node The node
1804 * @param int The offset (in bytes) - SHOULD align to the beginning of a sector
1805 * @returns int The total size of files and directory entries (should be
1806 * a multiple of sector size)
1809 cd9660_compute_offsets(iso9660_disk
*diskStructure
, cd9660node
*node
,
1810 int64_t startOffset
)
1813 * This function needs to compute the size of directory records and
1814 * runs, file lengths, and set the appropriate variables both in
1815 * cd9660node and isoDirEntry
1817 int64_t used_bytes
= 0;
1818 int64_t current_sector_usage
= 0;
1823 assert(node
!= NULL
);
1827 * NOTE : There needs to be some special case detection for
1828 * the "real root" node, since for it, node->node is undefined
1831 node
->fileDataSector
= -1;
1833 if (node
->type
& CD9660_TYPE_DIR
) {
1834 node
->fileRecordSize
= cd9660_compute_record_size(
1835 diskStructure
, node
);
1836 /*Set what sector this directory starts in*/
1837 node
->fileDataSector
=
1838 CD9660_BLOCKS(diskStructure
->sectorSize
,startOffset
);
1840 cd9660_bothendian_dword(node
->fileDataSector
,
1841 node
->isoDirRecord
->extent
);
1844 * First loop over children, need to know the size of
1845 * their directory records
1847 node
->fileSectorsUsed
= 1;
1848 TAILQ_FOREACH(child
, &node
->cn_children
, cn_next_child
) {
1849 node
->fileDataLength
+=
1850 cd9660_compute_record_size(diskStructure
, child
);
1851 if ((cd9660_compute_record_size(diskStructure
, child
) +
1852 current_sector_usage
) >=
1853 diskStructure
->sectorSize
) {
1854 current_sector_usage
= 0;
1855 node
->fileSectorsUsed
++;
1858 current_sector_usage
+=
1859 cd9660_compute_record_size(diskStructure
, child
);
1862 cd9660_bothendian_dword(node
->fileSectorsUsed
*
1863 diskStructure
->sectorSize
,node
->isoDirRecord
->size
);
1866 * This should point to the sector after the directory
1867 * record (or, the first byte in that sector)
1869 used_bytes
+= node
->fileSectorsUsed
* diskStructure
->sectorSize
;
1871 for (child
= TAILQ_NEXT(node
->dot_dot_record
, cn_next_child
);
1872 child
!= NULL
; child
= TAILQ_NEXT(child
, cn_next_child
)) {
1873 /* Directories need recursive call */
1874 if (S_ISDIR(child
->node
->type
)) {
1875 r
= cd9660_compute_offsets(diskStructure
, child
,
1876 used_bytes
+ startOffset
);
1885 /* Explicitly set the . and .. records */
1886 cd9660_populate_dot_records(diskStructure
, node
);
1888 /* Finally, do another iteration to write the file data*/
1889 for (child
= TAILQ_NEXT(node
->dot_dot_record
, cn_next_child
);
1891 child
= TAILQ_NEXT(child
, cn_next_child
)) {
1892 /* Files need extent set */
1893 if (S_ISDIR(child
->node
->type
))
1895 child
->fileRecordSize
=
1896 cd9660_compute_record_size(diskStructure
, child
);
1898 child
->fileSectorsUsed
=
1899 CD9660_BLOCKS(diskStructure
->sectorSize
,
1900 child
->fileDataLength
);
1902 inode
= child
->node
->inode
;
1903 if ((inode
->flags
& FI_ALLOCATED
) == 0) {
1905 CD9660_BLOCKS(diskStructure
->sectorSize
,
1906 used_bytes
+ startOffset
);
1907 inode
->flags
|= FI_ALLOCATED
;
1908 used_bytes
+= child
->fileSectorsUsed
*
1909 diskStructure
->sectorSize
;
1911 INODE_WARNX(("%s: already allocated inode %d "
1912 "data sectors at %" PRIu32
, __func__
,
1913 (int)inode
->st
.st_ino
, inode
->ino
));
1915 child
->fileDataSector
= inode
->ino
;
1916 cd9660_bothendian_dword(child
->fileDataSector
,
1917 child
->isoDirRecord
->extent
);
1925 /* Might get rid of this func */
1927 cd9660_copy_stat_info(cd9660node
*from
, cd9660node
*to
, int file
)
1929 to
->node
->inode
->st
.st_dev
= 0;
1930 to
->node
->inode
->st
.st_ino
= 0;
1931 to
->node
->inode
->st
.st_size
= 0;
1932 to
->node
->inode
->st
.st_blksize
= from
->node
->inode
->st
.st_blksize
;
1933 to
->node
->inode
->st
.st_atime
= from
->node
->inode
->st
.st_atime
;
1934 to
->node
->inode
->st
.st_mtime
= from
->node
->inode
->st
.st_mtime
;
1935 to
->node
->inode
->st
.st_ctime
= from
->node
->inode
->st
.st_ctime
;
1936 to
->node
->inode
->st
.st_uid
= from
->node
->inode
->st
.st_uid
;
1937 to
->node
->inode
->st
.st_gid
= from
->node
->inode
->st
.st_gid
;
1938 to
->node
->inode
->st
.st_mode
= from
->node
->inode
->st
.st_mode
;
1939 /* Clear out type */
1940 to
->node
->inode
->st
.st_mode
= to
->node
->inode
->st
.st_mode
& ~(S_IFMT
);
1942 to
->node
->inode
->st
.st_mode
|= S_IFREG
;
1944 to
->node
->inode
->st
.st_mode
|= S_IFDIR
;
1950 cd9660_create_virtual_entry(iso9660_disk
*diskStructure
, const char *name
,
1951 cd9660node
*parent
, int file
, int insert
)
1956 assert(parent
!= NULL
);
1958 temp
= cd9660_allocate_cd9660node();
1962 tfsnode
= emalloc(sizeof(*tfsnode
));
1963 tfsnode
->name
= estrdup(name
);
1964 temp
->isoDirRecord
= emalloc(sizeof(*temp
->isoDirRecord
));
1966 cd9660_convert_filename(diskStructure
, tfsnode
->name
,
1967 temp
->isoDirRecord
->name
, file
);
1969 temp
->node
= tfsnode
;
1970 temp
->parent
= parent
;
1973 if (temp
->parent
!= NULL
) {
1974 temp
->level
= temp
->parent
->level
+ 1;
1975 if (!TAILQ_EMPTY(&temp
->parent
->cn_children
))
1976 cd9660_sorted_child_insert(temp
->parent
, temp
);
1978 TAILQ_INSERT_HEAD(&temp
->parent
->cn_children
,
1979 temp
, cn_next_child
);
1983 if (parent
->node
!= NULL
) {
1984 tfsnode
->type
= parent
->node
->type
;
1987 /* Clear out file type bits */
1988 tfsnode
->type
&= ~(S_IFMT
);
1990 tfsnode
->type
|= S_IFREG
;
1992 tfsnode
->type
|= S_IFDIR
;
1994 /* Indicate that there is no spec entry (inode) */
1995 tfsnode
->flags
&= ~(FSNODE_F_HASSPEC
);
1997 cd9660_copy_stat_info(parent
, temp
, file
);
2003 cd9660_create_file(iso9660_disk
*diskStructure
, const char *name
,
2004 cd9660node
*parent
, cd9660node
*me
)
2008 temp
= cd9660_create_virtual_entry(diskStructure
, name
, parent
, 1, 1);
2012 temp
->fileDataLength
= 0;
2014 temp
->type
= CD9660_TYPE_FILE
| CD9660_TYPE_VIRTUAL
;
2016 temp
->node
->inode
= ecalloc(1, sizeof(*temp
->node
->inode
));
2017 *temp
->node
->inode
= *me
->node
->inode
;
2019 if (cd9660_translate_node_common(diskStructure
, temp
) == 0)
2025 * Create a new directory which does not exist on disk
2026 * @param const char * name The name to assign to the directory
2027 * @param const char * parent Pointer to the parent directory
2028 * @returns cd9660node * Pointer to the new directory
2031 cd9660_create_directory(iso9660_disk
*diskStructure
, const char *name
,
2032 cd9660node
*parent
, cd9660node
*me
)
2036 temp
= cd9660_create_virtual_entry(diskStructure
, name
, parent
, 0, 1);
2039 temp
->node
->type
|= S_IFDIR
;
2041 temp
->type
= CD9660_TYPE_DIR
| CD9660_TYPE_VIRTUAL
;
2043 temp
->node
->inode
= ecalloc(1, sizeof(*temp
->node
->inode
));
2044 *temp
->node
->inode
= *me
->node
->inode
;
2046 if (cd9660_translate_node_common(diskStructure
, temp
) == 0)
2052 cd9660_create_special_directory(iso9660_disk
*diskStructure
, u_char type
,
2055 cd9660node
*temp
, *first
;
2058 assert(parent
!= NULL
);
2060 if (type
== CD9660_TYPE_DOT
)
2062 else if (type
== CD9660_TYPE_DOTDOT
)
2068 if ((temp
= cd9660_create_virtual_entry(diskStructure
, na
, parent
,
2072 temp
->parent
= parent
;
2074 temp
->isoDirRecord
->length
[0] = 34;
2075 /* Dot record is always first */
2076 if (type
== CD9660_TYPE_DOT
) {
2077 parent
->dot_record
= temp
;
2078 TAILQ_INSERT_HEAD(&parent
->cn_children
, temp
, cn_next_child
);
2079 /* DotDot should be second */
2080 } else if (type
== CD9660_TYPE_DOTDOT
) {
2081 parent
->dot_dot_record
= temp
;
2083 * If the first child is the dot record, insert
2084 * this second. Otherwise, insert it at the head.
2086 if ((first
= TAILQ_FIRST(&parent
->cn_children
)) == NULL
||
2087 (first
->type
& CD9660_TYPE_DOT
) == 0) {
2088 TAILQ_INSERT_HEAD(&parent
->cn_children
, temp
,
2091 TAILQ_INSERT_AFTER(&parent
->cn_children
, first
, temp
,
2100 cd9660_add_generic_bootimage(iso9660_disk
*diskStructure
, const char *bootimage
)
2104 assert(bootimage
!= NULL
);
2106 if (*bootimage
== '\0') {
2107 warnx("Error: Boot image must be a filename");
2111 diskStructure
->generic_bootimage
= estrdup(bootimage
);
2113 /* Get information about the file */
2114 if (lstat(diskStructure
->generic_bootimage
, &stbuf
) == -1)
2115 err(EXIT_FAILURE
, "%s: lstat(\"%s\")", __func__
,
2116 diskStructure
->generic_bootimage
);
2118 if (stbuf
.st_size
> 32768) {
2119 warnx("Error: Boot image must be no greater than 32768 bytes");
2123 if (diskStructure
->verbose_level
> 0) {
2124 printf("Generic boot image has size %lld\n",
2125 (long long)stbuf
.st_size
);
2128 diskStructure
->has_generic_bootimage
= 1;