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
100 #include <sys/cdefs.h>
101 __FBSDID("$FreeBSD$");
103 #include <sys/param.h>
104 #include <sys/queue.h>
112 #include "cd9660/iso9660_rrip.h"
113 #include "cd9660/cd9660_archimedes.h"
115 static void cd9660_finalize_PVD(iso9660_disk *);
116 static cd9660node *cd9660_allocate_cd9660node(void);
117 static void cd9660_set_defaults(iso9660_disk *);
118 static int cd9660_arguments_set_string(const char *, const char *, int,
120 static void cd9660_populate_iso_dir_record(
121 struct _iso_directory_record_cd9660 *, u_char, u_char, u_char,
123 static void cd9660_setup_root_node(iso9660_disk *);
124 static int cd9660_setup_volume_descriptors(iso9660_disk *);
126 static int cd9660_fill_extended_attribute_record(cd9660node *);
128 static void cd9660_sort_nodes(cd9660node *);
129 static int cd9660_translate_node_common(iso9660_disk *, cd9660node *);
130 static int cd9660_translate_node(iso9660_disk *, fsnode *, cd9660node *);
131 static int cd9660_compare_filename(const char *, const char *);
132 static void cd9660_sorted_child_insert(cd9660node *, cd9660node *);
133 static int cd9660_handle_collisions(iso9660_disk *, cd9660node *, int);
134 static cd9660node *cd9660_rename_filename(iso9660_disk *, cd9660node *, int,
136 static void cd9660_copy_filenames(iso9660_disk *, cd9660node *);
137 static void cd9660_sorting_nodes(cd9660node *);
138 static int cd9660_count_collisions(cd9660node *);
139 static cd9660node *cd9660_rrip_move_directory(iso9660_disk *, cd9660node *);
140 static int cd9660_add_dot_records(iso9660_disk *, cd9660node *);
142 static void cd9660_convert_structure(iso9660_disk *, fsnode *, cd9660node *, int,
144 static void cd9660_free_structure(cd9660node *);
145 static int cd9660_generate_path_table(iso9660_disk *);
146 static int cd9660_level1_convert_filename(iso9660_disk *, const char *, char *,
148 static int cd9660_level2_convert_filename(iso9660_disk *, const char *, char *,
151 static int cd9660_joliet_convert_filename(iso9660_disk *, const char *, char *,
154 static int cd9660_convert_filename(iso9660_disk *, const char *, char *, int);
155 static void cd9660_populate_dot_records(iso9660_disk *, cd9660node *);
156 static int64_t cd9660_compute_offsets(iso9660_disk *, cd9660node *, int64_t);
158 static int cd9660_copy_stat_info(cd9660node *, cd9660node *, int);
160 static cd9660node *cd9660_create_virtual_entry(iso9660_disk *, const char *,
161 cd9660node *, int, int);
162 static cd9660node *cd9660_create_file(iso9660_disk *, const char *,
163 cd9660node *, cd9660node *);
164 static cd9660node *cd9660_create_directory(iso9660_disk *, const char *,
165 cd9660node *, cd9660node *);
166 static cd9660node *cd9660_create_special_directory(iso9660_disk *, u_char,
168 static int cd9660_add_generic_bootimage(iso9660_disk *, const char *);
172 * Allocate and initialize a cd9660node
173 * @returns struct cd9660node * Pointer to new node, or NULL on error
176 cd9660_allocate_cd9660node(void)
178 cd9660node *temp = ecalloc(1, sizeof(*temp));
180 TAILQ_INIT(&temp->cn_children);
181 temp->parent = temp->dot_record = temp->dot_dot_record = NULL;
182 temp->ptnext = temp->ptprev = temp->ptlast = NULL;
184 temp->isoDirRecord = NULL;
185 temp->isoExtAttributes = NULL;
186 temp->rr_real_parent = temp->rr_relocated = NULL;
187 temp->su_tail_data = NULL;
192 * Set default values for cd9660 extension to makefs
195 cd9660_set_defaults(iso9660_disk *diskStructure)
197 /*Fix the sector size for now, though the spec allows for other sizes*/
198 diskStructure->sectorSize = 2048;
200 /* Set up defaults in our own structure */
201 diskStructure->verbose_level = 0;
202 diskStructure->keep_bad_images = 0;
203 diskStructure->follow_sym_links = 0;
204 diskStructure->isoLevel = 2;
206 diskStructure->rock_ridge_enabled = 0;
207 diskStructure->rock_ridge_renamed_dir_name = 0;
208 diskStructure->rock_ridge_move_count = 0;
209 diskStructure->rr_moved_dir = 0;
211 diskStructure->archimedes_enabled = 0;
212 diskStructure->chrp_boot = 0;
214 diskStructure->include_padding_areas = 1;
216 /* Spec breaking functionality */
217 diskStructure->allow_deep_trees =
218 diskStructure->allow_start_dot =
219 diskStructure->allow_max_name =
220 diskStructure->allow_illegal_chars =
221 diskStructure->allow_lowercase =
222 diskStructure->allow_multidot =
223 diskStructure->omit_trailing_period = 0;
225 /* Make sure the PVD is clear */
226 memset(&diskStructure->primaryDescriptor, 0, 2048);
228 memset(diskStructure->primaryDescriptor.publisher_id, 0x20,128);
229 memset(diskStructure->primaryDescriptor.preparer_id, 0x20,128);
230 memset(diskStructure->primaryDescriptor.application_id, 0x20,128);
231 memset(diskStructure->primaryDescriptor.copyright_file_id, 0x20,37);
232 memset(diskStructure->primaryDescriptor.abstract_file_id, 0x20,37);
233 memset(diskStructure->primaryDescriptor.bibliographic_file_id, 0x20,37);
235 strcpy(diskStructure->primaryDescriptor.system_id, "FreeBSD");
237 /* Boot support: Initially disabled */
238 diskStructure->has_generic_bootimage = 0;
239 diskStructure->generic_bootimage = NULL;
241 diskStructure->boot_image_directory = 0;
242 /*memset(diskStructure->boot_descriptor, 0, 2048);*/
244 diskStructure->is_bootable = 0;
245 TAILQ_INIT(&diskStructure->boot_images);
246 LIST_INIT(&diskStructure->boot_entries);
250 cd9660_prep_opts(fsinfo_t *fsopts)
252 iso9660_disk *diskStructure = ecalloc(1, sizeof(*diskStructure));
254 #define OPT_STR(letter, name, desc) \
255 { letter, name, NULL, OPT_STRBUF, 0, 0, desc }
257 #define OPT_NUM(letter, name, field, min, max, desc) \
258 { letter, name, &diskStructure->field, \
259 sizeof(diskStructure->field) == 8 ? OPT_INT64 : \
260 (sizeof(diskStructure->field) == 4 ? OPT_INT32 : \
261 (sizeof(diskStructure->field) == 2 ? OPT_INT16 : OPT_INT8)), \
264 #define OPT_BOOL(letter, name, field, desc) \
265 OPT_NUM(letter, name, field, 0, 1, desc)
267 const option_t cd9660_options[] = {
268 OPT_NUM('l', "isolevel", isoLevel,
270 OPT_NUM('v', "verbose", verbose_level,
271 0, 2, "Turns on verbose output"),
273 OPT_BOOL('h', "help", displayHelp,
274 "Show help message"),
275 OPT_BOOL('S', "follow-symlinks", follow_sym_links,
276 "Resolve symlinks in pathnames"),
277 OPT_BOOL('R', "rockridge", rock_ridge_enabled,
278 "Enable Rock-Ridge extensions"),
279 OPT_BOOL('C', "chrp-boot", chrp_boot,
281 OPT_BOOL('K', "keep-bad-images", keep_bad_images,
283 OPT_BOOL('D', "allow-deep-trees", allow_deep_trees,
284 "Allow trees more than 8 levels"),
285 OPT_BOOL('a', "allow-max-name", allow_max_name,
286 "Allow 37 char filenames (unimplemented)"),
287 OPT_BOOL('i', "allow-illegal-chars", allow_illegal_chars,
288 "Allow illegal characters in filenames"),
289 OPT_BOOL('m', "allow-multidot", allow_multidot,
290 "Allow multiple periods in filenames"),
291 OPT_BOOL('o', "omit-trailing-period", omit_trailing_period,
292 "Omit trailing periods in filenames"),
293 OPT_BOOL('\0', "allow-lowercase", allow_lowercase,
294 "Allow lowercase characters in filenames"),
295 OPT_BOOL('\0', "archimedes", archimedes_enabled,
296 "Enable Archimedes structure"),
297 OPT_BOOL('\0', "no-trailing-padding", include_padding_areas,
298 "Include padding areas"),
300 OPT_STR('A', "applicationid", "Application Identifier"),
301 OPT_STR('P', "publisher", "Publisher Identifier"),
302 OPT_STR('p', "preparer", "Preparer Identifier"),
303 OPT_STR('L', "label", "Disk Label"),
304 OPT_STR('V', "volumeid", "Volume Set Identifier"),
305 OPT_STR('B', "bootimage", "Boot image parameter"),
306 OPT_STR('G', "generic-bootimage", "Generic boot image param"),
307 OPT_STR('\0', "bootimagedir", "Boot image directory"),
308 OPT_STR('\0', "no-emul-boot", "No boot emulation"),
309 OPT_STR('\0', "no-boot", "No boot support"),
310 OPT_STR('\0', "hard-disk-boot", "Boot from hard disk"),
311 OPT_STR('\0', "boot-load-segment", "Boot load segment"),
316 fsopts->fs_specific = diskStructure;
317 fsopts->fs_options = copy_opts(cd9660_options);
319 cd9660_set_defaults(diskStructure);
323 cd9660_cleanup_opts(fsinfo_t *fsopts)
325 free(fsopts->fs_specific);
326 free(fsopts->fs_options);
330 cd9660_arguments_set_string(const char *val, const char *fieldtitle, int length,
331 char testmode, char * dest)
336 warnx("error: The %s requires a string argument", fieldtitle);
337 else if ((len = strlen(val)) <= length) {
339 test = cd9660_valid_d_chars(val);
341 test = cd9660_valid_a_chars(val);
343 memcpy(dest, val, len);
345 cd9660_uppercase_characters(dest, len);
348 warnx("error: The %s must be composed of "
349 "%c-characters", fieldtitle, testmode);
351 warnx("error: The %s must be at most 32 characters long",
357 * Command-line parsing function
361 cd9660_parse_opts(const char *option, fsinfo_t *fsopts)
364 iso9660_disk *diskStructure = fsopts->fs_specific;
365 option_t *cd9660_options = fsopts->fs_options;
367 const char *name, *desc;
369 assert(option != NULL);
371 if (debug & DEBUG_FS_PARSE_OPTS)
372 printf("%s: got `%s'\n", __func__, option);
374 i = set_option(cd9660_options, option, buf, sizeof(buf));
378 if (cd9660_options[i].name == NULL)
381 name = cd9660_options[i].name;
382 desc = cd9660_options[i].desc;
383 switch (cd9660_options[i].letter) {
386 rv = 0; /* this is not handled yet */
389 rv = cd9660_arguments_set_string(buf, desc, 32, 'd',
390 diskStructure->primaryDescriptor.volume_id);
393 rv = cd9660_arguments_set_string(buf, desc, 128, 'a',
394 diskStructure->primaryDescriptor.application_id);
397 rv = cd9660_arguments_set_string(buf, desc, 128, 'a',
398 diskStructure->primaryDescriptor.publisher_id);
401 rv = cd9660_arguments_set_string(buf, desc, 128, 'a',
402 diskStructure->primaryDescriptor.preparer_id);
405 rv = cd9660_arguments_set_string(buf, desc, 128, 'a',
406 diskStructure->primaryDescriptor.volume_set_id);
410 if (buf[0] == '\0') {
411 warnx("The Boot Image parameter requires a valid boot"
412 "information string");
415 rv = cd9660_add_boot_disk(diskStructure, buf);
418 if (buf[0] == '\0') {
419 warnx("The Generic Boot Image parameter requires a"
420 " valid boot information string");
423 rv = cd9660_add_generic_bootimage(diskStructure, buf);
426 if (strcmp(name, "bootimagedir") == 0) {
428 * XXXfvdl this is unused.
430 if (buf[0] == '\0') {
431 warnx("The Boot Image Directory parameter"
432 " requires a directory name");
435 diskStructure->boot_image_directory =
436 emalloc(strlen(buf) + 1);
437 /* BIG TODO: Add the max length function here */
438 rv = cd9660_arguments_set_string(buf, desc, 12,
439 'd', diskStructure->boot_image_directory);
441 } else if (strcmp(name, "no-emul-boot") == 0 ||
442 strcmp(name, "no-boot") == 0 ||
443 strcmp(name, "hard-disk-boot") == 0) {
445 cd9660_eltorito_add_boot_option(diskStructure, name, 0);
447 } else if (strcmp(name, "boot-load-segment") == 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;