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,
171 * Allocate and initialize a cd9660node
172 * @returns struct cd9660node * Pointer to new node, or NULL on error
175 cd9660_allocate_cd9660node(void)
177 cd9660node *temp = ecalloc(1, sizeof(*temp));
179 TAILQ_INIT(&temp->cn_children);
180 temp->parent = temp->dot_record = temp->dot_dot_record = NULL;
181 temp->ptnext = temp->ptprev = temp->ptlast = NULL;
183 temp->isoDirRecord = NULL;
184 temp->isoExtAttributes = NULL;
185 temp->rr_real_parent = temp->rr_relocated = NULL;
186 temp->su_tail_data = NULL;
190 int cd9660_defaults_set = 0;
193 * Set default values for cd9660 extension to makefs
196 cd9660_set_defaults(iso9660_disk *diskStructure)
198 /*Fix the sector size for now, though the spec allows for other sizes*/
199 diskStructure->sectorSize = 2048;
201 /* Set up defaults in our own structure */
202 diskStructure->verbose_level = 0;
203 diskStructure->keep_bad_images = 0;
204 diskStructure->follow_sym_links = 0;
205 diskStructure->isoLevel = 2;
207 diskStructure->rock_ridge_enabled = 0;
208 diskStructure->rock_ridge_renamed_dir_name = 0;
209 diskStructure->rock_ridge_move_count = 0;
210 diskStructure->rr_moved_dir = 0;
212 diskStructure->archimedes_enabled = 0;
213 diskStructure->chrp_boot = 0;
215 diskStructure->include_padding_areas = 1;
217 /* Spec breaking functionality */
218 diskStructure->allow_deep_trees =
219 diskStructure->allow_start_dot =
220 diskStructure->allow_max_name =
221 diskStructure->allow_illegal_chars =
222 diskStructure->allow_lowercase =
223 diskStructure->allow_multidot =
224 diskStructure->omit_trailing_period = 0;
226 /* Make sure the PVD is clear */
227 memset(&diskStructure->primaryDescriptor, 0, 2048);
229 memset(diskStructure->primaryDescriptor.publisher_id, 0x20,128);
230 memset(diskStructure->primaryDescriptor.preparer_id, 0x20,128);
231 memset(diskStructure->primaryDescriptor.application_id, 0x20,128);
232 memset(diskStructure->primaryDescriptor.copyright_file_id, 0x20,37);
233 memset(diskStructure->primaryDescriptor.abstract_file_id, 0x20,37);
234 memset(diskStructure->primaryDescriptor.bibliographic_file_id, 0x20,37);
236 strcpy(diskStructure->primaryDescriptor.system_id, "FreeBSD");
238 cd9660_defaults_set = 1;
240 /* Boot support: Initially disabled */
241 diskStructure->has_generic_bootimage = 0;
242 diskStructure->generic_bootimage = NULL;
244 diskStructure->boot_image_directory = 0;
245 /*memset(diskStructure->boot_descriptor, 0, 2048);*/
247 diskStructure->is_bootable = 0;
248 TAILQ_INIT(&diskStructure->boot_images);
249 LIST_INIT(&diskStructure->boot_entries);
253 cd9660_prep_opts(fsinfo_t *fsopts)
255 iso9660_disk *diskStructure = ecalloc(1, sizeof(*diskStructure));
257 #define OPT_STR(letter, name, desc) \
258 { letter, name, NULL, OPT_STRBUF, 0, 0, desc }
260 #define OPT_NUM(letter, name, field, min, max, desc) \
261 { letter, name, &diskStructure->field, \
262 sizeof(diskStructure->field) == 8 ? OPT_INT64 : \
263 (sizeof(diskStructure->field) == 4 ? OPT_INT32 : \
264 (sizeof(diskStructure->field) == 2 ? OPT_INT16 : OPT_INT8)), \
267 #define OPT_BOOL(letter, name, field, desc) \
268 OPT_NUM(letter, name, field, 0, 1, desc)
270 const option_t cd9660_options[] = {
271 OPT_NUM('l', "isolevel", isoLevel,
273 OPT_NUM('v', "verbose", verbose_level,
274 0, 2, "Turns on verbose output"),
276 OPT_BOOL('h', "help", displayHelp,
277 "Show help message"),
278 OPT_BOOL('S', "follow-symlinks", follow_sym_links,
279 "Resolve symlinks in pathnames"),
280 OPT_BOOL('R', "rockridge", rock_ridge_enabled,
281 "Enable Rock-Ridge extensions"),
282 OPT_BOOL('C', "chrp-boot", chrp_boot,
284 OPT_BOOL('K', "keep-bad-images", keep_bad_images,
286 OPT_BOOL('D', "allow-deep-trees", allow_deep_trees,
287 "Allow trees more than 8 levels"),
288 OPT_BOOL('a', "allow-max-name", allow_max_name,
289 "Allow 37 char filenames (unimplemented)"),
290 OPT_BOOL('i', "allow-illegal-chars", allow_illegal_chars,
291 "Allow illegal characters in filenames"),
292 OPT_BOOL('d', "allow-multidot", allow_multidot,
293 "Allow multiple periods in filenames"),
294 OPT_BOOL('o', "omit-trailing-period", omit_trailing_period,
295 "Omit trailing periods in filenames"),
296 OPT_BOOL('\0', "allow-lowercase", allow_lowercase,
297 "Allow lowercase characters in filenames"),
298 OPT_BOOL('\0', "archimedes", archimedes_enabled,
299 "Enable Archimedes structure"),
300 OPT_BOOL('\0', "no-trailing-padding", include_padding_areas,
301 "Include padding areas"),
303 OPT_STR('A', "applicationid", "Application Identifier"),
304 OPT_STR('P', "publisher", "Publisher Identifier"),
305 OPT_STR('p', "preparer", "Preparer Identifier"),
306 OPT_STR('L', "label", "Disk Label"),
307 OPT_STR('V', "volumeid", "Volume Set Identifier"),
308 OPT_STR('B', "bootimage", "Boot image parameter"),
309 OPT_STR('G', "generic-bootimage", "Generic boot image param"),
310 OPT_STR('\0', "bootimagedir", "Boot image directory"),
311 OPT_STR('\0', "no-emul-boot", "No boot emulation"),
312 OPT_STR('\0', "no-boot", "No boot support"),
313 OPT_STR('\0', "hard-disk-boot", "Boot from hard disk"),
314 OPT_STR('\0', "boot-load-segment", "Boot load segment"),
315 OPT_STR('\0', "platformid", "Section Header Platform ID"),
320 fsopts->fs_specific = diskStructure;
321 fsopts->fs_options = copy_opts(cd9660_options);
323 cd9660_set_defaults(diskStructure);
327 cd9660_cleanup_opts(fsinfo_t *fsopts)
329 free(fsopts->fs_specific);
330 free(fsopts->fs_options);
334 cd9660_arguments_set_string(const char *val, const char *fieldtitle, int length,
335 char testmode, char * dest)
340 warnx("error: The %s requires a string argument", fieldtitle);
341 else if ((len = strlen(val)) <= length) {
343 test = cd9660_valid_d_chars(val);
345 test = cd9660_valid_a_chars(val);
347 memcpy(dest, val, len);
349 cd9660_uppercase_characters(dest, len);
352 warnx("error: The %s must be composed of "
353 "%c-characters", fieldtitle, testmode);
355 warnx("error: The %s must be at most 32 characters long",
361 * Command-line parsing function
365 cd9660_parse_opts(const char *option, fsinfo_t *fsopts)
368 iso9660_disk *diskStructure = fsopts->fs_specific;
369 option_t *cd9660_options = fsopts->fs_options;
371 const char *name, *desc;
373 assert(option != NULL);
375 if (debug & DEBUG_FS_PARSE_OPTS)
376 printf("cd9660_parse_opts: got `%s'\n", option);
378 i = set_option(cd9660_options, option, buf, sizeof(buf));
382 if (cd9660_options[i].name == NULL)
385 name = cd9660_options[i].name;
386 desc = cd9660_options[i].desc;
387 switch (cd9660_options[i].letter) {
390 rv = 0; /* this is not handled yet */
393 rv = cd9660_arguments_set_string(buf, desc, 32, 'd',
394 diskStructure->primaryDescriptor.volume_id);
397 rv = cd9660_arguments_set_string(buf, desc, 128, 'a',
398 diskStructure->primaryDescriptor.application_id);
401 rv = cd9660_arguments_set_string(buf, desc, 128, 'a',
402 diskStructure->primaryDescriptor.publisher_id);
405 rv = cd9660_arguments_set_string(buf, desc, 128, 'a',
406 diskStructure->primaryDescriptor.preparer_id);
409 rv = cd9660_arguments_set_string(buf, desc, 128, 'a',
410 diskStructure->primaryDescriptor.volume_set_id);
414 if (buf[0] == '\0') {
415 warnx("The Boot Image parameter requires a valid boot"
416 "information string");
419 rv = cd9660_add_boot_disk(diskStructure, buf);
422 if (buf[0] == '\0') {
423 warnx("The Generic Boot Image parameter requires a"
424 " valid boot information string");
427 rv = cd9660_add_generic_bootimage(diskStructure, buf);
430 if (strcmp(name, "bootimagedir") == 0) {
432 * XXXfvdl this is unused.
434 if (buf[0] == '\0') {
435 warnx("The Boot Image Directory parameter"
436 " requires a directory name\n");
439 diskStructure->boot_image_directory =
440 emalloc(strlen(buf) + 1);
441 /* BIG TODO: Add the max length function here */
442 rv = cd9660_arguments_set_string(buf, desc, 12,
443 'd', diskStructure->boot_image_directory);
445 } else if (strcmp(name, "no-emul-boot") == 0 ||
446 strcmp(name, "no-boot") == 0 ||
447 strcmp(name, "hard-disk-boot") == 0) {
449 cd9660_eltorito_add_boot_option(diskStructure, name, 0);
451 } else if (strcmp(name, "boot-load-segment") == 0 ||
452 strcmp(name, "platformid") == 0) {
453 if (buf[0] == '\0') {
454 warnx("Option `%s' doesn't contain a value",
458 cd9660_eltorito_add_boot_option(diskStructure,
469 * Main function for cd9660_makefs
470 * Builds the ISO image file
471 * @param const char *image The image filename to create
472 * @param const char *dir The directory that is being read
473 * @param struct fsnode *root The root node of the filesystem tree
474 * @param struct fsinfo_t *fsopts Any options
477 cd9660_makefs(const char *image, const char *dir, fsnode *root,
482 uint64_t pathTableSectors;
483 int64_t firstAvailableSector;
486 cd9660node *real_root;
487 iso9660_disk *diskStructure = fsopts->fs_specific;
489 if (diskStructure->verbose_level > 0)
490 printf("cd9660_makefs: ISO level is %i\n",
491 diskStructure->isoLevel);
492 if (diskStructure->isoLevel < 2 &&
493 diskStructure->allow_multidot)
494 errx(1, "allow-multidot requires iso level of 2\n");
496 assert(image != NULL);
498 assert(root != NULL);
500 if (diskStructure->displayHelp) {
502 * Display help here - probably want to put it in
503 * a separate function
508 if (diskStructure->verbose_level > 0)
509 printf("cd9660_makefs: image %s directory %s root %p\n",
512 /* Set up some constants. Later, these will be defined with options */
514 /* Counter needed for path tables */
517 /* Convert tree to our own format */
518 /* Actually, we now need to add the REAL root node, at level 0 */
520 real_root = cd9660_allocate_cd9660node();
521 real_root->isoDirRecord = emalloc(sizeof(*real_root->isoDirRecord));
522 /* Leave filename blank for root */
523 memset(real_root->isoDirRecord->name, 0,
524 ISO_FILENAME_MAXLENGTH_WITH_PADDING);
526 real_root->level = 0;
527 diskStructure->rootNode = real_root;
528 real_root->type = CD9660_TYPE_DIR;
530 real_root->node = root;
531 cd9660_convert_structure(diskStructure, root, real_root, 1,
532 &numDirectories, &error);
534 if (TAILQ_EMPTY(&real_root->cn_children)) {
535 errx(1, "cd9660_makefs: converted directory is empty. "
536 "Tree conversion failed\n");
537 } else if (error != 0) {
538 errx(1, "cd9660_makefs: tree conversion failed\n");
540 if (diskStructure->verbose_level > 0)
541 printf("cd9660_makefs: tree converted\n");
544 /* Add the dot and dot dot records */
545 cd9660_add_dot_records(diskStructure, real_root);
547 cd9660_setup_root_node(diskStructure);
549 if (diskStructure->verbose_level > 0)
550 printf("cd9660_makefs: done converting tree\n");
552 /* non-SUSP extensions */
553 if (diskStructure->archimedes_enabled)
554 archimedes_convert_tree(diskStructure->rootNode);
556 /* Rock ridge / SUSP init pass */
557 if (diskStructure->rock_ridge_enabled) {
558 cd9660_susp_initialize(diskStructure, diskStructure->rootNode,
559 diskStructure->rootNode, NULL);
562 /* Build path table structure */
563 diskStructure->pathTableLength = cd9660_generate_path_table(
566 pathTableSectors = CD9660_BLOCKS(diskStructure->sectorSize,
567 diskStructure->pathTableLength);
569 firstAvailableSector = cd9660_setup_volume_descriptors(diskStructure);
570 if (diskStructure->is_bootable) {
571 firstAvailableSector = cd9660_setup_boot(diskStructure,
572 firstAvailableSector);
573 if (firstAvailableSector < 0)
574 errx(1, "setup_boot failed");
576 /* LE first, then BE */
577 diskStructure->primaryLittleEndianTableSector = firstAvailableSector;
578 diskStructure->primaryBigEndianTableSector =
579 diskStructure->primaryLittleEndianTableSector + pathTableSectors;
581 /* Set the secondary ones to -1, not going to use them for now */
582 diskStructure->secondaryBigEndianTableSector = -1;
583 diskStructure->secondaryLittleEndianTableSector = -1;
585 diskStructure->dataFirstSector =
586 diskStructure->primaryBigEndianTableSector + pathTableSectors;
587 if (diskStructure->verbose_level > 0)
588 printf("cd9660_makefs: Path table conversion complete. "
589 "Each table is %i bytes, or %" PRIu64 " sectors.\n",
590 diskStructure->pathTableLength, pathTableSectors);
592 startoffset = diskStructure->sectorSize*diskStructure->dataFirstSector;
594 totalSpace = cd9660_compute_offsets(diskStructure, real_root, startoffset);
596 diskStructure->totalSectors = diskStructure->dataFirstSector +
597 CD9660_BLOCKS(diskStructure->sectorSize, totalSpace);
599 /* Disabled until pass 1 is done */
600 if (diskStructure->rock_ridge_enabled) {
601 diskStructure->susp_continuation_area_start_sector =
602 diskStructure->totalSectors;
603 diskStructure->totalSectors +=
604 CD9660_BLOCKS(diskStructure->sectorSize,
605 diskStructure->susp_continuation_area_size);
606 cd9660_susp_finalize(diskStructure, diskStructure->rootNode);
610 cd9660_finalize_PVD(diskStructure);
612 /* Add padding sectors, just for testing purposes right now */
613 /* diskStructure->totalSectors+=150; */
615 /* Debugging output */
616 if (diskStructure->verbose_level > 0) {
617 printf("cd9660_makefs: Sectors 0-15 reserved\n");
618 printf("cd9660_makefs: Primary path tables starts in sector %"
619 PRId64 "\n", diskStructure->primaryLittleEndianTableSector);
620 printf("cd9660_makefs: File data starts in sector %"
621 PRId64 "\n", diskStructure->dataFirstSector);
622 printf("cd9660_makefs: Total sectors: %"
623 PRId64 "\n", diskStructure->totalSectors);
627 * Add padding sectors at the end
628 * TODO: Clean this up and separate padding
630 if (diskStructure->include_padding_areas)
631 diskStructure->totalSectors += 150;
633 cd9660_write_image(diskStructure, image);
635 if (diskStructure->verbose_level > 1) {
636 debug_print_volume_descriptor_information(diskStructure);
637 debug_print_tree(diskStructure, real_root, 0);
638 debug_print_path_tree(real_root);
641 /* Clean up data structures */
642 cd9660_free_structure(real_root);
644 if (diskStructure->verbose_level > 0)
645 printf("cd9660_makefs: done\n");
648 /* Generic function pointer - implement later */
649 typedef int (*cd9660node_func)(cd9660node *);
652 cd9660_finalize_PVD(iso9660_disk *diskStructure)
654 time_t tstamp = stampst.st_ino ? stampst.st_mtime : time(NULL);
656 /* root should be a fixed size of 34 bytes since it has no name */
657 memcpy(diskStructure->primaryDescriptor.root_directory_record,
658 diskStructure->rootNode->dot_record->isoDirRecord, 34);
660 /* In RRIP, this might be longer than 34 */
661 diskStructure->primaryDescriptor.root_directory_record[0] = 34;
663 /* Set up all the important numbers in the PVD */
664 cd9660_bothendian_dword(diskStructure->totalSectors,
665 (unsigned char *)diskStructure->primaryDescriptor.volume_space_size);
666 cd9660_bothendian_word(1,
667 (unsigned char *)diskStructure->primaryDescriptor.volume_set_size);
668 cd9660_bothendian_word(1,
670 diskStructure->primaryDescriptor.volume_sequence_number);
671 cd9660_bothendian_word(diskStructure->sectorSize,
673 diskStructure->primaryDescriptor.logical_block_size);
674 cd9660_bothendian_dword(diskStructure->pathTableLength,
675 (unsigned char *)diskStructure->primaryDescriptor.path_table_size);
677 cd9660_731(diskStructure->primaryLittleEndianTableSector,
678 (u_char *)diskStructure->primaryDescriptor.type_l_path_table);
679 cd9660_732(diskStructure->primaryBigEndianTableSector,
680 (u_char *)diskStructure->primaryDescriptor.type_m_path_table);
682 diskStructure->primaryDescriptor.file_structure_version[0] = 1;
684 /* Pad all strings with spaces instead of nulls */
685 cd9660_pad_string_spaces(diskStructure->primaryDescriptor.volume_id, 32);
686 cd9660_pad_string_spaces(diskStructure->primaryDescriptor.system_id, 32);
687 cd9660_pad_string_spaces(diskStructure->primaryDescriptor.volume_set_id,
689 cd9660_pad_string_spaces(diskStructure->primaryDescriptor.publisher_id,
691 cd9660_pad_string_spaces(diskStructure->primaryDescriptor.preparer_id,
693 cd9660_pad_string_spaces(diskStructure->primaryDescriptor.application_id,
695 cd9660_pad_string_spaces(
696 diskStructure->primaryDescriptor.copyright_file_id, 37);
697 cd9660_pad_string_spaces(
698 diskStructure->primaryDescriptor.abstract_file_id, 37);
699 cd9660_pad_string_spaces(
700 diskStructure->primaryDescriptor.bibliographic_file_id, 37);
704 (unsigned char *)diskStructure->primaryDescriptor.creation_date,
707 (unsigned char *)diskStructure->primaryDescriptor.modification_date,
711 cd9660_set_date(diskStructure->primaryDescriptor.expiration_date,
715 memset(diskStructure->primaryDescriptor.expiration_date, '0', 16);
716 diskStructure->primaryDescriptor.expiration_date[16] = 0;
719 (unsigned char *)diskStructure->primaryDescriptor.effective_date,
722 cd9660_time_915(diskStructure->rootNode->dot_record->isoDirRecord->date,
727 cd9660_populate_iso_dir_record(struct _iso_directory_record_cd9660 *record,
728 u_char ext_attr_length, u_char flags,
729 u_char name_len, const char * name)
731 record->ext_attr_length[0] = ext_attr_length;
732 record->flags[0] = ISO_FLAG_CLEAR | flags;
733 record->file_unit_size[0] = 0;
734 record->interleave[0] = 0;
735 cd9660_bothendian_word(1, record->volume_sequence_number);
736 record->name_len[0] = name_len;
737 memset(record->name, '\0', sizeof (record->name));
738 memcpy(record->name, name, name_len);
739 record->length[0] = 33 + name_len;
741 /* Todo : better rounding */
742 record->length[0] += (record->length[0] & 1) ? 1 : 0;
746 cd9660_setup_root_node(iso9660_disk *diskStructure)
748 cd9660_populate_iso_dir_record(diskStructure->rootNode->isoDirRecord,
749 0, ISO_FLAG_DIRECTORY, 1, "\0");
753 /*********** SUPPORT FUNCTIONS ***********/
755 cd9660_setup_volume_descriptors(iso9660_disk *diskStructure)
757 /* Boot volume descriptor should come second */
759 /* For now, a fixed 2 : PVD and terminator */
760 volume_descriptor *temp, *t;
763 temp = emalloc(sizeof(*temp));
764 temp->volumeDescriptorData =
765 (unsigned char *)&diskStructure->primaryDescriptor;
766 temp->volumeDescriptorData[0] = ISO_VOLUME_DESCRIPTOR_PVD;
767 temp->volumeDescriptorData[6] = 1;
768 temp->sector = sector;
769 memcpy(temp->volumeDescriptorData + 1,
770 ISO_VOLUME_DESCRIPTOR_STANDARD_ID, 5);
771 diskStructure->firstVolumeDescriptor = temp;
774 /* Set up boot support if enabled. BVD must reside in sector 17 */
775 if (diskStructure->is_bootable) {
776 t = emalloc(sizeof(*t));
777 t->volumeDescriptorData = ecalloc(1, 2048);
781 if (diskStructure->verbose_level > 0)
782 printf("Setting up boot volume descriptor\n");
783 cd9660_setup_boot_volume_descriptor(diskStructure, t);
787 /* Set up the terminator */
788 t = emalloc(sizeof(*t));
789 t->volumeDescriptorData = ecalloc(1, 2048);
791 t->volumeDescriptorData[0] = ISO_VOLUME_DESCRIPTOR_TERMINATOR;
793 t->volumeDescriptorData[6] = 1;
795 memcpy(t->volumeDescriptorData + 1,
796 ISO_VOLUME_DESCRIPTOR_STANDARD_ID, 5);
804 * Populate EAR at some point. Not required, but is used by NetBSD's
808 cd9660_fill_extended_attribute_record(cd9660node *node)
810 node->isoExtAttributes = emalloc(sizeof(*node->isoExtAttributes));
816 cd9660_translate_node_common(iso9660_disk *diskStructure, cd9660node *newnode)
818 time_t tstamp = stampst.st_ino ? stampst.st_mtime : time(NULL);
821 char temp[ISO_FILENAME_MAXLENGTH_WITH_PADDING];
823 /* Now populate the isoDirRecord structure */
824 memset(temp, 0, ISO_FILENAME_MAXLENGTH_WITH_PADDING);
826 test = cd9660_convert_filename(diskStructure, newnode->node->name,
827 temp, !(S_ISDIR(newnode->node->type)));
829 flag = ISO_FLAG_CLEAR;
830 if (S_ISDIR(newnode->node->type))
831 flag |= ISO_FLAG_DIRECTORY;
833 cd9660_populate_iso_dir_record(newnode->isoDirRecord, 0,
834 flag, strlen(temp), temp);
836 /* Set the various dates */
838 /* If we want to use the current date and time */
840 cd9660_time_915(newnode->isoDirRecord->date, tstamp);
842 cd9660_bothendian_dword(newnode->fileDataLength,
843 newnode->isoDirRecord->size);
844 /* If the file is a link, we want to set the size to 0 */
845 if (S_ISLNK(newnode->node->type))
846 newnode->fileDataLength = 0;
852 * Translate fsnode to cd9660node
853 * Translate filenames and other metadata, including dates, sizes,
855 * @param struct fsnode * The node generated by makefs
856 * @param struct cd9660node * The intermediate node to be written to
857 * @returns int 0 on failure, 1 on success
860 cd9660_translate_node(iso9660_disk *diskStructure, fsnode *node,
864 if (diskStructure->verbose_level > 0)
865 printf("cd9660_translate_node: NULL node passed, "
869 newnode->isoDirRecord = emalloc(sizeof(*newnode->isoDirRecord));
870 /* Set the node pointer */
871 newnode->node = node;
874 if (!(S_ISDIR(node->type)))
875 newnode->fileDataLength = node->inode->st.st_size;
877 if (cd9660_translate_node_common(diskStructure, newnode) == 0)
880 /* Finally, overwrite some of the values that are set by default */
881 cd9660_time_915(newnode->isoDirRecord->date,
882 stampst.st_ino ? stampst.st_mtime : node->inode->st.st_mtime);
888 * Compares two ISO filenames
889 * @param const char * The first file name
890 * @param const char * The second file name
891 * @returns : -1 if first is less than second, 0 if they are the same, 1 if
892 * the second is greater than the first
895 cd9660_compare_filename(const char *first, const char *second)
898 * This can be made more optimal once it has been tested
899 * (the extra character, for example, is for testing)
905 /* First, on the filename */
907 while (p1 < ISO_FILENAME_MAXLENGTH_BEFORE_VERSION-1
908 && p2 < ISO_FILENAME_MAXLENGTH_BEFORE_VERSION-1) {
911 if (c1 == '.' && c2 =='.')
913 else if (c1 == '.') {
916 } else if (c2 == '.') {
931 if (first[p1] == '.' && second[p2] == '.') {
934 while (p1 < ISO_FILENAME_MAXLENGTH_BEFORE_VERSION - 1
935 && p2 < ISO_FILENAME_MAXLENGTH_BEFORE_VERSION - 1) {
938 if (c1 == ';' && c2 == ';')
940 else if (c1 == ';') {
943 } else if (c2 == ';') {
961 * Insert a node into list with ISO sorting rules
962 * @param cd9660node * The head node of the list
963 * @param cd9660node * The node to be inserted
966 cd9660_sorted_child_insert(cd9660node *parent, cd9660node *cn_new)
970 struct cd9660_children_head *head = &parent->cn_children;
972 /* TODO: Optimize? */
973 cn_new->parent = parent;
976 * first will either be 0, the . or the ..
977 * if . or .., this means no other entry may be written before first
978 * if 0, the new node may be inserted at the head
981 TAILQ_FOREACH(cn, head, cn_next_child) {
983 * Dont insert a node twice -
984 * that would cause an infinite loop
989 compare = cd9660_compare_filename(cn_new->isoDirRecord->name,
990 cn->isoDirRecord->name);
993 compare = cd9660_compare_filename(cn_new->node->name,
1000 TAILQ_INSERT_TAIL(head, cn_new, cn_next_child);
1002 TAILQ_INSERT_BEFORE(cn, cn_new, cn_next_child);
1006 * Called After cd9660_sorted_child_insert
1007 * handles file collisions by suffixing each filname with ~n
1008 * where n represents the files respective place in the ordering
1011 cd9660_handle_collisions(iso9660_disk *diskStructure, cd9660node *colliding,
1014 cd9660node *iter, *next, *prev;
1016 int delete_chars = 0;
1017 int temp_past = past;
1020 cd9660node *end_of_range;
1022 for (iter = TAILQ_FIRST(&colliding->cn_children);
1023 iter != NULL && (next = TAILQ_NEXT(iter, cn_next_child)) != NULL;) {
1024 if (strcmp(iter->isoDirRecord->name,
1025 next->isoDirRecord->name) != 0) {
1026 iter = TAILQ_NEXT(iter, cn_next_child);
1030 temp_skip = skip = cd9660_count_collisions(iter);
1031 end_of_range = iter;
1032 while (temp_skip > 0) {
1034 end_of_range = TAILQ_NEXT(end_of_range, cn_next_child);
1037 while (temp_past > 0) {
1038 if ((next = TAILQ_NEXT(end_of_range, cn_next_child)) != NULL)
1039 end_of_range = next;
1040 else if ((prev = TAILQ_PREV(iter, cd9660_children_head, cn_next_child)) != NULL)
1047 iter = cd9660_rename_filename(diskStructure, iter, skip,
1055 cd9660_rename_filename(iso9660_disk *diskStructure, cd9660node *iter, int num,
1059 int numbts, digit, digits, temp, powers, count;
1064 if (diskStructure->verbose_level > 0)
1065 printf("Rename_filename called\n");
1067 assert(1 <= diskStructure->isoLevel && diskStructure->isoLevel <= 2);
1068 /* TODO : A LOT of chanes regarding 8.3 filenames */
1069 if (diskStructure->isoLevel == 1)
1071 else if (diskStructure->isoLevel == 2)
1074 maxlength = ISO_FILENAME_MAXLENGTH_BEFORE_VERSION;
1076 tmp = emalloc(ISO_FILENAME_MAXLENGTH_WITH_PADDING);
1078 while (i < num && iter) {
1082 while (((int)(i / powers) ) >= 10) {
1084 powers = powers * 10;
1087 naming = iter->o_name;
1090 while ((*naming != '.') && (*naming != ';')) {
1096 while (count < maxlength) {
1103 if ((count + digits) < maxlength)
1106 numbts = maxlength - (digits);
1107 numbts -= delete_chars;
1109 /* 8.3 rules - keep the extension, add before the dot */
1112 * This code makes a bunch of assumptions.
1113 * See if you can spot them all :)
1117 if (diskStructure->isoLevel == 1) {
1118 numbts = 8 - digits - delete_chars;
1123 memmove(&tmp[numbts],&tmp[dot],4);
1129 /* (copying just the filename before the '.' */
1130 memcpy(tmp, (iter->o_name), numbts);
1132 /* adding the appropriate number following the name */
1134 while (digits > 0) {
1135 digit = (int)(temp / powers);
1136 temp = temp - digit * powers;
1137 sprintf(&tmp[numbts] , "%d", digit);
1140 powers = powers / 10;
1143 while ((*naming != ';') && (numbts < maxlength)) {
1144 tmp[numbts] = (*naming);
1150 tmp[numbts+1] = '1';
1151 tmp[numbts+2] = '\0';
1154 * now tmp has exactly the identifier
1155 * we want so we'll copy it back to record
1157 memcpy((iter->isoDirRecord->name), tmp, numbts + 3);
1159 iter = TAILQ_NEXT(iter, cn_next_child);
1167 /* Todo: Figure out why these functions are nec. */
1169 cd9660_copy_filenames(iso9660_disk *diskStructure, cd9660node *node)
1173 if (TAILQ_EMPTY(&node->cn_children))
1176 if (TAILQ_FIRST(&node->cn_children)->isoDirRecord == NULL) {
1177 debug_print_tree(diskStructure, diskStructure->rootNode, 0);
1181 TAILQ_FOREACH(cn, &node->cn_children, cn_next_child) {
1182 cd9660_copy_filenames(diskStructure, cn);
1183 memcpy(cn->o_name, cn->isoDirRecord->name,
1184 ISO_FILENAME_MAXLENGTH_WITH_PADDING);
1189 cd9660_sorting_nodes(cd9660node *node)
1193 TAILQ_FOREACH(cn, &node->cn_children, cn_next_child)
1194 cd9660_sorting_nodes(cn);
1195 cd9660_sort_nodes(node);
1198 /* XXX Bubble sort. */
1200 cd9660_sort_nodes(cd9660node *node)
1202 cd9660node *cn, *next;
1205 TAILQ_FOREACH(cn, &node->cn_children, cn_next_child) {
1206 if ((next = TAILQ_NEXT(cn, cn_next_child)) == NULL)
1208 else if (strcmp(next->isoDirRecord->name,
1209 cn->isoDirRecord->name) >= 0)
1211 TAILQ_REMOVE(&node->cn_children, next, cn_next_child);
1212 TAILQ_INSERT_BEFORE(cn, next, cn_next_child);
1215 } while (cn != NULL);
1219 cd9660_count_collisions(cd9660node *copy)
1222 cd9660node *iter, *next;
1225 (next = TAILQ_NEXT(iter, cn_next_child)) != NULL;
1227 if (cd9660_compare_filename(iter->isoDirRecord->name,
1228 next->isoDirRecord->name) == 0)
1234 if ((next = TAILQ_NEXT(iter, cn_next_child)) != NULL) {
1235 printf("cd9660_recurse_on_collision: count is %i \n", count);
1236 compare = cd9660_compare_filename(iter->isoDirRecord->name,
1237 next->isoDirRecord->name);
1240 return cd9660_recurse_on_collision(next, count);
1249 cd9660_rrip_move_directory(iso9660_disk *diskStructure, cd9660node *dir)
1255 * This function needs to:
1256 * 1) Create an empty virtual file in place of the old directory
1257 * 2) Point the virtual file to the new directory
1258 * 3) Point the relocated directory to its old parent
1259 * 4) Move the directory specified by dir into rr_moved_dir,
1260 * and rename it to "diskStructure->rock_ridge_move_count" (as a string)
1263 /* First see if the moved directory even exists */
1264 if (diskStructure->rr_moved_dir == NULL) {
1265 diskStructure->rr_moved_dir = cd9660_create_directory(
1266 diskStructure, ISO_RRIP_DEFAULT_MOVE_DIR_NAME,
1267 diskStructure->rootNode, dir);
1268 if (diskStructure->rr_moved_dir == NULL)
1270 cd9660_time_915(diskStructure->rr_moved_dir->isoDirRecord->date,
1271 stampst.st_ino ? stampst.st_mtime : start_time.tv_sec);
1274 /* Create a file with the same ORIGINAL name */
1275 tfile = cd9660_create_file(diskStructure, dir->node->name, dir->parent,
1280 diskStructure->rock_ridge_move_count++;
1281 snprintf(newname, sizeof(newname), "%08i",
1282 diskStructure->rock_ridge_move_count);
1284 /* Point to old parent */
1285 dir->rr_real_parent = dir->parent;
1287 /* Place the placeholder file */
1288 if (TAILQ_EMPTY(&dir->rr_real_parent->cn_children)) {
1289 TAILQ_INSERT_HEAD(&dir->rr_real_parent->cn_children, tfile,
1292 cd9660_sorted_child_insert(dir->rr_real_parent, tfile);
1295 /* Point to new parent */
1296 dir->parent = diskStructure->rr_moved_dir;
1298 /* Point the file to the moved directory */
1299 tfile->rr_relocated = dir;
1301 /* Actually move the directory */
1302 cd9660_sorted_child_insert(diskStructure->rr_moved_dir, dir);
1304 /* TODO: Inherit permissions / ownership (basically the entire inode) */
1306 /* Set the new name */
1307 memset(dir->isoDirRecord->name, 0, ISO_FILENAME_MAXLENGTH_WITH_PADDING);
1308 strncpy(dir->isoDirRecord->name, newname, 8);
1309 dir->isoDirRecord->length[0] = 34 + 8;
1310 dir->isoDirRecord->name_len[0] = 8;
1316 cd9660_add_dot_records(iso9660_disk *diskStructure, cd9660node *root)
1318 struct cd9660_children_head *head = &root->cn_children;
1321 TAILQ_FOREACH(cn, head, cn_next_child) {
1322 if ((cn->type & CD9660_TYPE_DIR) == 0)
1324 /* Recursion first */
1325 cd9660_add_dot_records(diskStructure, cn);
1327 cd9660_create_special_directory(diskStructure, CD9660_TYPE_DOT, root);
1328 cd9660_create_special_directory(diskStructure, CD9660_TYPE_DOTDOT,
1334 * Convert node to cd9660 structure
1335 * This function is designed to be called recursively on the root node of
1337 * Lots of recursion going on here, want to make sure it is efficient
1338 * @param struct fsnode * The root node to be converted
1339 * @param struct cd9660* The parent node (should not be NULL)
1340 * @param int Current directory depth
1341 * @param int* Running count of the number of directories that are being created
1344 cd9660_convert_structure(iso9660_disk *diskStructure, fsnode *root,
1345 cd9660node *parent_node, int level, int *numDirectories, int *error)
1347 fsnode *iterator = root;
1348 cd9660node *this_node;
1355 * Newer, more efficient method, reduces recursion depth
1358 warnx("%s: root is null\n", __func__);
1362 /* Test for an empty directory - makefs still gives us the . record */
1363 if ((S_ISDIR(root->type)) && (root->name[0] == '.')
1364 && (root->name[1] == '\0')) {
1369 if ((this_node = cd9660_allocate_cd9660node()) == NULL) {
1370 CD9660_MEM_ALLOC_ERROR(__func__);
1374 * To reduce the number of recursive calls, we will iterate over
1375 * the next pointers to the right.
1377 while (iterator != NULL) {
1380 * Increment the directory count if this is a directory
1381 * Ignore "." entries. We will generate them later
1383 if (!S_ISDIR(iterator->type) ||
1384 strcmp(iterator->name, ".") != 0) {
1386 /* Translate the node, including its filename */
1387 this_node->parent = parent_node;
1388 cd9660_translate_node(diskStructure, iterator,
1390 this_node->level = level;
1392 if (S_ISDIR(iterator->type)) {
1393 (*numDirectories)++;
1394 this_node->type = CD9660_TYPE_DIR;
1395 working_level = level + 1;
1398 * If at level 8, directory would be at 8
1399 * and have children at 9 which is not
1400 * allowed as per ISO spec
1403 if ((!diskStructure->allow_deep_trees) &&
1404 (!diskStructure->rock_ridge_enabled)) {
1405 warnx("error: found entry "
1406 "with depth greater "
1410 } else if (diskStructure->
1411 rock_ridge_enabled) {
1414 * Moved directory is actually
1419 if (cd9660_rrip_move_directory(
1421 this_node) == NULL) {
1433 /* Do the recursive call on the children */
1434 if (iterator->child != NULL) {
1435 cd9660_convert_structure(diskStructure,
1436 iterator->child, this_node,
1438 numDirectories, error);
1440 if ((*error) == 1) {
1441 warnx("%s: Error on recursive "
1448 /* Only directories should have children */
1449 assert(iterator->child == NULL);
1451 this_node->type = CD9660_TYPE_FILE;
1455 * Finally, do a sorted insert
1458 cd9660_sorted_child_insert(
1459 parent_node, this_node);
1462 /*Allocate new temp_node */
1463 if (iterator->next != NULL) {
1464 this_node = cd9660_allocate_cd9660node();
1465 if (this_node == NULL)
1466 CD9660_MEM_ALLOC_ERROR(__func__);
1469 iterator = iterator->next;
1472 /* cd9660_handle_collisions(first_node); */
1474 /* TODO: need cleanup */
1475 cd9660_copy_filenames(diskStructure, parent_node);
1478 flag = cd9660_handle_collisions(diskStructure, parent_node,
1481 cd9660_sorting_nodes(parent_node);
1482 } while ((flag == 1) && (counter < 100));
1486 * Clean up the cd9660node tree
1487 * This is designed to be called recursively on the root node
1488 * @param struct cd9660node *root The node to free
1492 cd9660_free_structure(cd9660node *root)
1496 while ((cn = TAILQ_FIRST(&root->cn_children)) != NULL) {
1497 TAILQ_REMOVE(&root->cn_children, cn, cn_next_child);
1498 cd9660_free_structure(cn);
1504 * Be a little more memory conservative:
1505 * instead of having the TAILQ_ENTRY as part of the cd9660node,
1506 * just create a temporary structure
1510 TAILQ_ENTRY(ptq_entry) ptq;
1514 #define PTQUEUE_NEW(n,s,r,t){\
1515 n = emalloc(sizeof(struct s)); \
1520 * Generate the path tables
1521 * The specific implementation of this function is left as an exercise to the
1522 * programmer. It could be done recursively. Make sure you read how the path
1523 * table has to be laid out, it has levels.
1524 * @param struct iso9660_disk *disk The disk image
1525 * @returns int The number of built path tables (between 1 and 4), 0 on failure
1528 cd9660_generate_path_table(iso9660_disk *diskStructure)
1530 cd9660node *cn, *dirNode = diskStructure->rootNode;
1531 cd9660node *last = dirNode;
1532 int pathTableSize = 0; /* computed as we go */
1533 int counter = 1; /* root gets a count of 0 */
1535 TAILQ_HEAD(cd9660_pt_head, ptq_entry) pt_head;
1536 TAILQ_INIT(&pt_head);
1538 PTQUEUE_NEW(n, ptq_entry, -1, diskStructure->rootNode);
1540 /* Push the root node */
1541 TAILQ_INSERT_HEAD(&pt_head, n, ptq);
1543 /* Breadth-first traversal of file structure */
1544 while (pt_head.tqh_first != 0) {
1545 n = pt_head.tqh_first;
1547 TAILQ_REMOVE(&pt_head, pt_head.tqh_first, ptq);
1550 /* Update the size */
1551 pathTableSize += ISO_PATHTABLE_ENTRY_BASESIZE
1552 + dirNode->isoDirRecord->name_len[0]+
1553 (dirNode->isoDirRecord->name_len[0] % 2 == 0 ? 0 : 1);
1554 /* includes the padding bit */
1556 dirNode->ptnumber=counter;
1557 if (dirNode != last) {
1558 last->ptnext = dirNode;
1559 dirNode->ptprev = last;
1563 /* Push children onto queue */
1564 TAILQ_FOREACH(cn, &dirNode->cn_children, cn_next_child) {
1566 * Dont add the DOT and DOTDOT types to the path
1569 if ((cn->type != CD9660_TYPE_DOT)
1570 && (cn->type != CD9660_TYPE_DOTDOT)) {
1572 if (S_ISDIR(cn->node->type)) {
1573 PTQUEUE_NEW(n, ptq_entry, -1, cn);
1574 TAILQ_INSERT_TAIL(&pt_head, n, ptq);
1580 return pathTableSize;
1584 cd9660_compute_full_filename(cd9660node *node, char *buf)
1588 len = CD9660MAXPATH + 1;
1589 len = snprintf(buf, len, "%s/%s/%s", node->node->root,
1590 node->node->path, node->node->name);
1591 if (len > CD9660MAXPATH)
1592 errx(1, "Pathname too long.");
1595 /* NEW filename conversion method */
1596 typedef int(*cd9660_filename_conversion_functor)(iso9660_disk *, const char *,
1601 * TODO: These two functions are almost identical.
1602 * Some code cleanup is possible here
1604 * XXX bounds checking!
1607 cd9660_level1_convert_filename(iso9660_disk *diskStructure, const char *oldname,
1608 char *newname, int is_file)
1612 * File Name shall not contain more than 8 d or d1 characters
1613 * File Name Extension shall not contain more than 3 d or d1 characters
1614 * Directory Identifier shall not contain more than 8 d or d1 characters
1620 while (*oldname != '\0' && extlen < 3) {
1621 /* Handle period first, as it is special */
1622 if (*oldname == '.') {
1632 /* cut RISC OS file type off ISO name */
1633 if (diskStructure->archimedes_enabled &&
1634 *oldname == ',' && strlen(oldname) == 4)
1637 /* Enforce 12.3 / 8 */
1638 if (namelen == 8 && !found_ext)
1641 if (islower((unsigned char)*oldname))
1642 *newname++ = toupper((unsigned char)*oldname);
1643 else if (isupper((unsigned char)*oldname)
1644 || isdigit((unsigned char)*oldname))
1645 *newname++ = *oldname;
1657 if (!found_ext && !diskStructure->omit_trailing_period)
1660 sprintf(newname, ";%i", 1);
1662 return namelen + extlen + found_ext;
1665 /* XXX bounds checking! */
1667 cd9660_level2_convert_filename(iso9660_disk *diskStructure, const char *oldname,
1668 char *newname, int is_file)
1672 * File name : 0+ d or d1 characters
1674 * File name extension : 0+ d or d1 characters
1676 * File version number (5 characters, 1-32767)
1677 * 1 <= Sum of File name and File name extension <= 30
1683 while (*oldname != '\0' && namelen + extlen < 30) {
1684 /* Handle period first, as it is special */
1685 if (*oldname == '.') {
1687 if (diskStructure->allow_multidot) {
1699 /* cut RISC OS file type off ISO name */
1700 if (diskStructure->archimedes_enabled &&
1701 *oldname == ',' && strlen(oldname) == 4)
1704 if (islower((unsigned char)*oldname))
1705 *newname++ = toupper((unsigned char)*oldname);
1706 else if (isupper((unsigned char)*oldname) ||
1707 isdigit((unsigned char)*oldname))
1708 *newname++ = *oldname;
1709 else if (diskStructure->allow_multidot &&
1724 if (!found_ext && !diskStructure->omit_trailing_period)
1727 sprintf(newname, ";%i", 1);
1729 return namelen + extlen + found_ext;
1734 cd9660_joliet_convert_filename(iso9660_disk *diskStructure, const char *oldname,
1735 char *newname, int is_file)
1737 /* TODO: implement later, move to cd9660_joliet.c ?? */
1743 * Convert a file name to ISO compliant file name
1744 * @param char * oldname The original filename
1745 * @param char ** newname The new file name, in the appropriate character
1746 * set and of appropriate length
1747 * @param int 1 if file, 0 if directory
1748 * @returns int The length of the new string
1751 cd9660_convert_filename(iso9660_disk *diskStructure, const char *oldname,
1752 char *newname, int is_file)
1754 assert(1 <= diskStructure->isoLevel && diskStructure->isoLevel <= 2);
1756 cd9660_filename_conversion_functor conversion_function = NULL;
1757 if (diskStructure->isoLevel == 1)
1758 conversion_function = &cd9660_level1_convert_filename;
1759 else if (diskStructure->isoLevel == 2)
1760 conversion_function = &cd9660_level2_convert_filename;
1761 return (*conversion_function)(diskStructure, oldname, newname, is_file);
1765 cd9660_compute_record_size(iso9660_disk *diskStructure, cd9660node *node)
1767 int size = node->isoDirRecord->length[0];
1769 if (diskStructure->rock_ridge_enabled)
1770 size += node->susp_entry_size;
1771 size += node->su_tail_size;
1772 size += size & 1; /* Ensure length of record is even. */
1773 assert(size <= 254);
1778 cd9660_populate_dot_records(iso9660_disk *diskStructure, cd9660node *node)
1780 node->dot_record->fileDataSector = node->fileDataSector;
1781 memcpy(node->dot_record->isoDirRecord,node->isoDirRecord, 34);
1782 node->dot_record->isoDirRecord->name_len[0] = 1;
1783 node->dot_record->isoDirRecord->name[0] = 0;
1784 node->dot_record->isoDirRecord->name[1] = 0;
1785 node->dot_record->isoDirRecord->length[0] = 34;
1786 node->dot_record->fileRecordSize =
1787 cd9660_compute_record_size(diskStructure, node->dot_record);
1789 if (node == diskStructure->rootNode) {
1790 node->dot_dot_record->fileDataSector = node->fileDataSector;
1791 memcpy(node->dot_dot_record->isoDirRecord,node->isoDirRecord,
1794 node->dot_dot_record->fileDataSector =
1795 node->parent->fileDataSector;
1796 memcpy(node->dot_dot_record->isoDirRecord,
1797 node->parent->isoDirRecord,34);
1799 node->dot_dot_record->isoDirRecord->name_len[0] = 1;
1800 node->dot_dot_record->isoDirRecord->name[0] = 1;
1801 node->dot_dot_record->isoDirRecord->name[1] = 0;
1802 node->dot_dot_record->isoDirRecord->length[0] = 34;
1803 node->dot_dot_record->fileRecordSize =
1804 cd9660_compute_record_size(diskStructure, node->dot_dot_record);
1808 * @param struct cd9660node *node The node
1809 * @param int The offset (in bytes) - SHOULD align to the beginning of a sector
1810 * @returns int The total size of files and directory entries (should be
1811 * a multiple of sector size)
1814 cd9660_compute_offsets(iso9660_disk *diskStructure, cd9660node *node,
1815 int64_t startOffset)
1818 * This function needs to compute the size of directory records and
1819 * runs, file lengths, and set the appropriate variables both in
1820 * cd9660node and isoDirEntry
1822 int64_t used_bytes = 0;
1823 int64_t current_sector_usage = 0;
1828 assert(node != NULL);
1832 * NOTE : There needs to be some special case detection for
1833 * the "real root" node, since for it, node->node is undefined
1836 node->fileDataSector = -1;
1838 if (node->type & CD9660_TYPE_DIR) {
1839 node->fileRecordSize = cd9660_compute_record_size(
1840 diskStructure, node);
1841 /*Set what sector this directory starts in*/
1842 node->fileDataSector =
1843 CD9660_BLOCKS(diskStructure->sectorSize,startOffset);
1845 cd9660_bothendian_dword(node->fileDataSector,
1846 node->isoDirRecord->extent);
1849 * First loop over children, need to know the size of
1850 * their directory records
1852 node->fileSectorsUsed = 1;
1853 TAILQ_FOREACH(child, &node->cn_children, cn_next_child) {
1854 node->fileDataLength +=
1855 cd9660_compute_record_size(diskStructure, child);
1856 if ((cd9660_compute_record_size(diskStructure, child) +
1857 current_sector_usage) >=
1858 diskStructure->sectorSize) {
1859 current_sector_usage = 0;
1860 node->fileSectorsUsed++;
1863 current_sector_usage +=
1864 cd9660_compute_record_size(diskStructure, child);
1867 cd9660_bothendian_dword(node->fileSectorsUsed *
1868 diskStructure->sectorSize,node->isoDirRecord->size);
1871 * This should point to the sector after the directory
1872 * record (or, the first byte in that sector)
1874 used_bytes += node->fileSectorsUsed * diskStructure->sectorSize;
1876 for (child = TAILQ_NEXT(node->dot_dot_record, cn_next_child);
1877 child != NULL; child = TAILQ_NEXT(child, cn_next_child)) {
1878 /* Directories need recursive call */
1879 if (S_ISDIR(child->node->type)) {
1880 r = cd9660_compute_offsets(diskStructure, child,
1881 used_bytes + startOffset);
1890 /* Explicitly set the . and .. records */
1891 cd9660_populate_dot_records(diskStructure, node);
1893 /* Finally, do another iteration to write the file data*/
1894 for (child = TAILQ_NEXT(node->dot_dot_record, cn_next_child);
1896 child = TAILQ_NEXT(child, cn_next_child)) {
1897 /* Files need extent set */
1898 if (S_ISDIR(child->node->type))
1900 child->fileRecordSize =
1901 cd9660_compute_record_size(diskStructure, child);
1903 child->fileSectorsUsed =
1904 CD9660_BLOCKS(diskStructure->sectorSize,
1905 child->fileDataLength);
1907 inode = child->node->inode;
1908 if ((inode->flags & FI_ALLOCATED) == 0) {
1910 CD9660_BLOCKS(diskStructure->sectorSize,
1911 used_bytes + startOffset);
1912 inode->flags |= FI_ALLOCATED;
1913 used_bytes += child->fileSectorsUsed *
1914 diskStructure->sectorSize;
1916 INODE_WARNX(("%s: already allocated inode %d "
1917 "data sectors at %" PRIu32, __func__,
1918 (int)inode->st.st_ino, inode->ino));
1920 child->fileDataSector = inode->ino;
1921 cd9660_bothendian_dword(child->fileDataSector,
1922 child->isoDirRecord->extent);
1930 /* Might get rid of this func */
1932 cd9660_copy_stat_info(cd9660node *from, cd9660node *to, int file)
1934 to->node->inode->st.st_dev = 0;
1935 to->node->inode->st.st_ino = 0;
1936 to->node->inode->st.st_size = 0;
1937 to->node->inode->st.st_blksize = from->node->inode->st.st_blksize;
1938 to->node->inode->st.st_atime = from->node->inode->st.st_atime;
1939 to->node->inode->st.st_mtime = from->node->inode->st.st_mtime;
1940 to->node->inode->st.st_ctime = from->node->inode->st.st_ctime;
1941 to->node->inode->st.st_uid = from->node->inode->st.st_uid;
1942 to->node->inode->st.st_gid = from->node->inode->st.st_gid;
1943 to->node->inode->st.st_mode = from->node->inode->st.st_mode;
1944 /* Clear out type */
1945 to->node->inode->st.st_mode = to->node->inode->st.st_mode & ~(S_IFMT);
1947 to->node->inode->st.st_mode |= S_IFREG;
1949 to->node->inode->st.st_mode |= S_IFDIR;
1955 cd9660_create_virtual_entry(iso9660_disk *diskStructure, const char *name,
1956 cd9660node *parent, int file, int insert)
1961 assert(parent != NULL);
1963 temp = cd9660_allocate_cd9660node();
1967 tfsnode = emalloc(sizeof(*tfsnode));
1968 tfsnode->name = estrdup(name);
1969 temp->isoDirRecord = emalloc(sizeof(*temp->isoDirRecord));
1971 cd9660_convert_filename(diskStructure, tfsnode->name,
1972 temp->isoDirRecord->name, file);
1974 temp->node = tfsnode;
1975 temp->parent = parent;
1978 if (temp->parent != NULL) {
1979 temp->level = temp->parent->level + 1;
1980 if (!TAILQ_EMPTY(&temp->parent->cn_children))
1981 cd9660_sorted_child_insert(temp->parent, temp);
1983 TAILQ_INSERT_HEAD(&temp->parent->cn_children,
1984 temp, cn_next_child);
1988 if (parent->node != NULL) {
1989 tfsnode->type = parent->node->type;
1992 /* Clear out file type bits */
1993 tfsnode->type &= ~(S_IFMT);
1995 tfsnode->type |= S_IFREG;
1997 tfsnode->type |= S_IFDIR;
1999 /* Indicate that there is no spec entry (inode) */
2000 tfsnode->flags &= ~(FSNODE_F_HASSPEC);
2002 cd9660_copy_stat_info(parent, temp, file);
2008 cd9660_create_file(iso9660_disk *diskStructure, const char *name,
2009 cd9660node *parent, cd9660node *me)
2013 temp = cd9660_create_virtual_entry(diskStructure, name, parent, 1, 1);
2017 temp->fileDataLength = 0;
2019 temp->type = CD9660_TYPE_FILE | CD9660_TYPE_VIRTUAL;
2021 temp->node->inode = ecalloc(1, sizeof(*temp->node->inode));
2022 *temp->node->inode = *me->node->inode;
2024 if (cd9660_translate_node_common(diskStructure, temp) == 0)
2030 * Create a new directory which does not exist on disk
2031 * @param const char * name The name to assign to the directory
2032 * @param const char * parent Pointer to the parent directory
2033 * @returns cd9660node * Pointer to the new directory
2036 cd9660_create_directory(iso9660_disk *diskStructure, const char *name,
2037 cd9660node *parent, cd9660node *me)
2041 temp = cd9660_create_virtual_entry(diskStructure, name, parent, 0, 1);
2044 temp->node->type |= S_IFDIR;
2046 temp->type = CD9660_TYPE_DIR | CD9660_TYPE_VIRTUAL;
2048 temp->node->inode = ecalloc(1, sizeof(*temp->node->inode));
2049 *temp->node->inode = *me->node->inode;
2051 if (cd9660_translate_node_common(diskStructure, temp) == 0)
2057 cd9660_create_special_directory(iso9660_disk *diskStructure, u_char type,
2060 cd9660node *temp, *first;
2063 assert(parent != NULL);
2065 if (type == CD9660_TYPE_DOT)
2067 else if (type == CD9660_TYPE_DOTDOT)
2073 if ((temp = cd9660_create_virtual_entry(diskStructure, na, parent,
2077 temp->parent = parent;
2079 temp->isoDirRecord->length[0] = 34;
2080 /* Dot record is always first */
2081 if (type == CD9660_TYPE_DOT) {
2082 parent->dot_record = temp;
2083 TAILQ_INSERT_HEAD(&parent->cn_children, temp, cn_next_child);
2084 /* DotDot should be second */
2085 } else if (type == CD9660_TYPE_DOTDOT) {
2086 parent->dot_dot_record = temp;
2088 * If the first child is the dot record, insert
2089 * this second. Otherwise, insert it at the head.
2091 if ((first = TAILQ_FIRST(&parent->cn_children)) == NULL ||
2092 (first->type & CD9660_TYPE_DOT) == 0) {
2093 TAILQ_INSERT_HEAD(&parent->cn_children, temp,
2096 TAILQ_INSERT_AFTER(&parent->cn_children, first, temp,
2105 cd9660_add_generic_bootimage(iso9660_disk *diskStructure, const char *bootimage)
2109 assert(bootimage != NULL);
2111 if (*bootimage == '\0') {
2112 warnx("Error: Boot image must be a filename");
2116 diskStructure->generic_bootimage = estrdup(bootimage);
2118 /* Get information about the file */
2119 if (lstat(diskStructure->generic_bootimage, &stbuf) == -1)
2120 err(EXIT_FAILURE, "%s: lstat(\"%s\")", __func__,
2121 diskStructure->generic_bootimage);
2123 if (stbuf.st_size > 32768) {
2124 warnx("Error: Boot image must be no greater than 32768 bytes");
2128 if (diskStructure->verbose_level > 0) {
2129 printf("Generic boot image image has size %lld\n",
2130 (long long)stbuf.st_size);
2133 diskStructure->has_generic_bootimage = 1;