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[netbsd-mini2440.git] / usr.sbin / makefs / cd9660.c
blobf5636bf8ce34d863e002402595663f0ba41e9450
1 /* $NetBSD: cd9660.c,v 1.25 2009/01/10 22:06:29 bjh21 Exp $ */
2
3 /*
4 * Copyright (c) 2005 Daniel Watt, Walter Deignan, Ryan Gabrys, Alan
5 * Perez-Rathke and Ram Vedam. All rights reserved.
6 *
7 * This code was written by Daniel Watt, Walter Deignan, Ryan Gabrys,
8 * Alan Perez-Rathke and Ram Vedam.
9 *
10 * Redistribution and use in source and binary forms, with or
11 * without modification, are permitted provided that the following
12 * conditions are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above
16 * copyright notice, this list of conditions and the following
17 * disclaimer in the documentation and/or other materials provided
18 * with the distribution.
19 *
20 * THIS SOFTWARE IS PROVIDED BY DANIEL WATT, WALTER DEIGNAN, RYAN
21 * GABRYS, ALAN PEREZ-RATHKE AND RAM VEDAM ``AS IS'' AND ANY EXPRESS OR
22 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
23 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
24 * DISCLAIMED. IN NO EVENT SHALL DANIEL WATT, WALTER DEIGNAN, RYAN
25 * GABRYS, ALAN PEREZ-RATHKE AND RAM VEDAM BE LIABLE FOR ANY DIRECT, INDIRECT,
26 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
27 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
28 * USE,DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
29 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
30 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
32 * OF SUCH DAMAGE.
33 */
34 /*
35 * Copyright (c) 2001 Wasabi Systems, Inc.
36 * All rights reserved.
37 *
38 * Written by Luke Mewburn for Wasabi Systems, Inc.
39 *
40 * Redistribution and use in source and binary forms, with or without
41 * modification, are permitted provided that the following conditions
42 * are met:
43 * 1. Redistributions of source code must retain the above copyright
44 * notice, this list of conditions and the following disclaimer.
45 * 2. Redistributions in binary form must reproduce the above copyright
46 * notice, this list of conditions and the following disclaimer in the
47 * documentation and/or other materials provided with the distribution.
48 * 3. All advertising materials mentioning features or use of this software
49 * must display the following acknowledgement:
50 * This product includes software developed for the NetBSD Project by
51 * Wasabi Systems, Inc.
52 * 4. The name of Wasabi Systems, Inc. may not be used to endorse
53 * or promote products derived from this software without specific prior
54 * written permission.
55 *
56 * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
57 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
58 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
59 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC
60 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
61 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
62 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
63 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
64 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
65 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
66 * POSSIBILITY OF SUCH DAMAGE.
67 */
68 /*
69 * Copyright (c) 1982, 1986, 1989, 1993
70 * The Regents of the University of California. All rights reserved.
71 *
72 * Redistribution and use in source and binary forms, with or without
73 * modification, are permitted provided that the following conditions
74 * are met:
75 * 1. Redistributions of source code must retain the above copyright
76 * notice, this list of conditions and the following disclaimer.
77 * 2. Redistributions in binary form must reproduce the above copyright
78 * notice, this list of conditions and the following disclaimer in the
79 * documentation and/or other materials provided with the distribution.
80 * 3. Neither the name of the University nor the names of its contributors
81 * may be used to endorse or promote products derived from this software
82 * without specific prior written permission.
83 *
84 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
85 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
86 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
87 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
88 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
89 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
90 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
91 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
92 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
93 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
94 * SUCH DAMAGE.
95 *
96 */
97
98 #if HAVE_NBTOOL_CONFIG_H
99 #include "nbtool_config.h"
100 #else
101 #include <sys/mount.h>
102 #endif
103
104 #include <sys/cdefs.h>
105 #if defined(__RCSID) && !defined(__lint)
106 __RCSID("$NetBSD: cd9660.c,v 1.25 2009/01/10 22:06:29 bjh21 Exp $");
107 #endif /* !__lint */
108
109 #include <string.h>
110 #include <ctype.h>
111 #include <sys/param.h>
112 #include <sys/queue.h>
113
114 #include "makefs.h"
115 #include "cd9660.h"
116 #include "cd9660/iso9660_rrip.h"
117 #include "cd9660/cd9660_archimedes.h"
118
119 /*
120 * Global variables
121 */
122 iso9660_disk diskStructure;
123
124 static void cd9660_finalize_PVD(void);
125 static cd9660node *cd9660_allocate_cd9660node(void);
126 static void cd9660_set_defaults(void);
127 static int cd9660_arguments_set_string(const char *, const char *, int,
128 char, char *);
129 static void cd9660_populate_iso_dir_record(
130 struct _iso_directory_record_cd9660 *, u_char, u_char, u_char,
131 const char *);
132 static void cd9660_setup_root_node(void);
133 static int cd9660_setup_volume_descriptors(void);
134 #if 0
135 static int cd9660_fill_extended_attribute_record(cd9660node *);
136 #endif
137 static void cd9660_sort_nodes(cd9660node *);
138 static int cd9960_translate_node_common(cd9660node *);
139 static int cd9660_translate_node(fsnode *, cd9660node *);
140 static int cd9660_compare_filename(const char *, const char *);
141 static void cd9660_sorted_child_insert(cd9660node *, cd9660node *);
142 static int cd9660_handle_collisions(cd9660node *, int);
143 static cd9660node *cd9660_rename_filename(cd9660node *, int, int);
144 static void cd9660_copy_filenames(cd9660node *);
145 static void cd9660_sorting_nodes(cd9660node *);
146 static int cd9660_count_collisions(cd9660node *);
147 static cd9660node *cd9660_rrip_move_directory(cd9660node *);
148 static int cd9660_add_dot_records(cd9660node *);
149
150 static void cd9660_convert_structure(fsnode *, cd9660node *, int,
151 int *, int *);
152 static void cd9660_free_structure(cd9660node *);
153 static int cd9660_generate_path_table(void);
154 static int cd9660_level1_convert_filename(const char *, char *, int);
155 static int cd9660_level2_convert_filename(const char *, char *, int);
156 #if 0
157 static int cd9660_joliet_convert_filename(const char *, char *, int);
158 #endif
159 static int cd9660_convert_filename(const char *, char *, int);
160 static void cd9660_populate_dot_records(cd9660node *);
161 static int cd9660_compute_offsets(cd9660node *, int);
162 #if 0
163 static int cd9660_copy_stat_info(cd9660node *, cd9660node *, int);
164 #endif
165 static cd9660node *cd9660_create_virtual_entry(const char *, cd9660node *, int,
166 int);
167 static cd9660node *cd9660_create_file(const char *, cd9660node *, cd9660node *);
168 static cd9660node *cd9660_create_directory(const char *, cd9660node *,
169 cd9660node *);
170 static cd9660node *cd9660_create_special_directory(u_char, cd9660node *);
171
172
173 /*
174 * Allocate and initalize a cd9660node
175 * @returns struct cd9660node * Pointer to new node, or NULL on error
176 */
177 static cd9660node *
178 cd9660_allocate_cd9660node(void)
179 {
180 cd9660node *temp;
181
182 if ((temp = calloc(1, sizeof(cd9660node))) == NULL)
183 err(EXIT_FAILURE, "%s: calloc", __func__);
184 TAILQ_INIT(&temp->cn_children);
185 temp->parent = temp->dot_record = temp->dot_dot_record = NULL;
186 temp->ptnext = temp->ptprev = temp->ptlast = NULL;
187 temp->node = NULL;
188 temp->isoDirRecord = NULL;
189 temp->isoExtAttributes = NULL;
190 temp->rr_real_parent = temp->rr_relocated = NULL;
191 temp->su_tail_data = NULL;
192 return temp;
193 }
194
195 int cd9660_defaults_set = 0;
196
197 /**
198 * Set default values for cd9660 extension to makefs
199 */
200 static void
201 cd9660_set_defaults(void)
202 {
203 /*Fix the sector size for now, though the spec allows for other sizes*/
204 diskStructure.sectorSize = 2048;
205
206 /* Set up defaults in our own structure */
207 diskStructure.verbose_level = 0;
208 diskStructure.keep_bad_images = 0;
209 diskStructure.follow_sym_links = 0;
210 diskStructure.isoLevel = 2;
211
212 diskStructure.rock_ridge_enabled = 0;
213 diskStructure.rock_ridge_renamed_dir_name = 0;
214 diskStructure.rock_ridge_move_count = 0;
215 diskStructure.rr_moved_dir = 0;
216
217 diskStructure.archimedes_enabled = 0;
218
219 diskStructure.include_padding_areas = 1;
220
221 /* Spec breaking functionality */
222 diskStructure.allow_deep_trees =
223 diskStructure.allow_start_dot =
224 diskStructure.allow_max_name =
225 diskStructure.allow_illegal_chars =
226 diskStructure.allow_lowercase =
227 diskStructure.allow_multidot =
228 diskStructure.omit_trailing_period = 0;
229
230 /* Make sure the PVD is clear */
231 memset(&diskStructure.primaryDescriptor, 0, 2048);
232
233 memset(diskStructure.primaryDescriptor.volume_set_id, 0x20,32);
234 memset(diskStructure.primaryDescriptor.publisher_id, 0x20,128);
235 memset(diskStructure.primaryDescriptor.preparer_id, 0x20,128);
236 memset(diskStructure.primaryDescriptor.application_id, 0x20,128);
237 memset(diskStructure.primaryDescriptor.copyright_file_id, 0x20,128);
238 memset(diskStructure.primaryDescriptor.abstract_file_id, 0x20,128);
239 memset(diskStructure.primaryDescriptor.bibliographic_file_id, 0x20,128);
240
241 strcpy(diskStructure.primaryDescriptor.system_id,"NetBSD");
242
243 cd9660_defaults_set = 1;
244
245 /* Boot support: Initially disabled */
246 diskStructure.has_generic_bootimage = 0;
247 diskStructure.generic_bootimage = NULL;
248
249 diskStructure.boot_image_directory = 0;
250 /*memset(diskStructure.boot_descriptor, 0, 2048);*/
251
252 diskStructure.is_bootable = 0;
253 TAILQ_INIT(&diskStructure.boot_images);
254 LIST_INIT(&diskStructure.boot_entries);
255 }
256
257 void
258 cd9660_prep_opts(fsinfo_t *fsopts __unused)
259 {
260 cd9660_set_defaults();
261 }
262
263 void
264 cd9660_cleanup_opts(fsinfo_t *fsopts __unused)
265 {
266
267 }
268
269 static int
270 cd9660_arguments_set_string(const char *val, const char *fieldtitle, int length,
271 char testmode, char * dest)
272 {
273 int len, test;
274
275 if (val == NULL)
276 warnx("error: The %s requires a string argument", fieldtitle);
277 else if ((len = strlen(val)) <= length) {
278 if (testmode == 'd')
279 test = cd9660_valid_d_chars(val);
280 else
281 test = cd9660_valid_a_chars(val);
282 if (test) {
283 memcpy(dest, val, len);
284 if (test == 2)
285 cd9660_uppercase_characters(dest, len);
286 return 1;
287 } else
288 warnx("error: The %s must be composed of "
289 "%c-characters", fieldtitle, testmode);
290 } else
291 warnx("error: The %s must be at most 32 characters long",
292 fieldtitle);
293 return 0;
294 }
295
296 /*
297 * Command-line parsing function
298 */
299
300 int
301 cd9660_parse_opts(const char *option, fsinfo_t *fsopts)
302 {
303 char *var, *val;
304 int rv;
305 /* Set up allowed options - integer options ONLY */
306 option_t cd9660_options[] = {
307 { "l", &diskStructure.isoLevel, 1, 3, "ISO Level" },
308 { "isolevel", &diskStructure.isoLevel, 1, 3, "ISO Level" },
309 { "verbose", &diskStructure.verbose_level, 0, 2,
310 "Turns on verbose output" },
311 { "v", &diskStructure.verbose_level, 0 , 2,
312 "Turns on verbose output"},
313 { .name = NULL }
314 };
315
316 if (cd9660_defaults_set == 0)
317 cd9660_set_defaults();
318
319 /*
320 * Todo : finish implementing this, and make a function that
321 * parses them
322 */
323 /*
324 string_option_t cd9660_string_options[] = {
325 { "L", "Label", &diskStructure.primaryDescriptor.volume_id, 1, 32, "Disk Label", ISO_STRING_FILTER_DCHARS },
326 { NULL }
327 }
328 */
329
330 assert(option != NULL);
331
332 if (debug & DEBUG_FS_PARSE_OPTS)
333 printf("cd9660_parse_opts: got `%s'\n", option);
334
335 if ((var = strdup(option)) == NULL)
336 err(1, "allocating memory for copy of option string");
337 rv = 1;
338
339 val = strchr(var, '=');
340 if (val != NULL)
341 *val++ = '\0';
342
343 /* First handle options with no parameters */
344 if (strcmp(var, "h") == 0) {
345 diskStructure.displayHelp = 1;
346 rv = 1;
347 } else if (CD9660_IS_COMMAND_ARG_DUAL(var, "S", "follow-symlinks")) {
348 /* this is not handled yet */
349 diskStructure.follow_sym_links = 1;
350 rv = 1;
351 } else if (CD9660_IS_COMMAND_ARG_DUAL(var, "L", "label")) {
352 rv = cd9660_arguments_set_string(val, "Disk Label", 32, 'd',
353 diskStructure.primaryDescriptor.volume_id);
354 } else if (CD9660_IS_COMMAND_ARG_DUAL(var, "A", "applicationid")) {
355 rv = cd9660_arguments_set_string(val, "Application Identifier", 128, 'a',
356 diskStructure.primaryDescriptor.application_id);
357 } else if(CD9660_IS_COMMAND_ARG_DUAL(var, "P", "publisher")) {
358 rv = cd9660_arguments_set_string(val, "Publisher Identifier",
359 128, 'a', diskStructure.primaryDescriptor.publisher_id);
360 } else if (CD9660_IS_COMMAND_ARG_DUAL(var, "p", "preparer")) {
361 rv = cd9660_arguments_set_string(val, "Preparer Identifier",
362 128, 'a', diskStructure.primaryDescriptor.preparer_id);
363 } else if (CD9660_IS_COMMAND_ARG_DUAL(var, "V", "volumeid")) {
364 rv = cd9660_arguments_set_string(val, "Volume Set Identifier",
365 128, 'a', diskStructure.primaryDescriptor.volume_set_id);
366 /* Boot options */
367 } else if (CD9660_IS_COMMAND_ARG_DUAL(var, "B", "bootimage")) {
368 if (val == NULL)
369 warnx("error: The Boot Image parameter requires a valid boot information string");
370 else
371 rv = cd9660_add_boot_disk(val);
372 } else if (CD9660_IS_COMMAND_ARG(var, "bootimagedir")) {
373 /*
374 * XXXfvdl this is unused.
375 */
376 if (val == NULL)
377 errx(1, "error: The Boot Image Directory parameter"
378 " requires a directory name\n");
379 else {
380 if ((diskStructure.boot_image_directory =
381 malloc(strlen(val) + 1)) == NULL) {
382 CD9660_MEM_ALLOC_ERROR("cd9660_parse_opts");
383 exit(1);
384 }
385
386 /* BIG TODO: Add the max length function here */
387 cd9660_arguments_set_string(val, "Boot Image Directory",
388 12 , 'd', diskStructure.boot_image_directory);
389 }
390 } else if (CD9660_IS_COMMAND_ARG_DUAL(var, "G", "generic-bootimage")) {
391 if (val == NULL)
392 warnx("error: The Boot Image parameter requires a valid boot information string");
393 else
394 rv = cd9660_add_generic_bootimage(val);
395 } else if (CD9660_IS_COMMAND_ARG(var, "no-trailing-padding"))
396 diskStructure.include_padding_areas = 0;
397 /* RRIP */
398 else if (CD9660_IS_COMMAND_ARG_DUAL(var, "R", "rockridge"))
399 diskStructure.rock_ridge_enabled = 1;
400 else if (CD9660_IS_COMMAND_ARG_DUAL(var, "A", "archimedes"))
401 diskStructure.archimedes_enabled = 1;
402 else if (CD9660_IS_COMMAND_ARG_DUAL(var, "K", "keep-bad-images"))
403 diskStructure.keep_bad_images = 1;
404 else if (CD9660_IS_COMMAND_ARG(var, "allow-deep-trees"))
405 diskStructure.allow_deep_trees = 1;
406 else if (CD9660_IS_COMMAND_ARG(var, "allow-max-name"))
407 diskStructure.allow_max_name = 1;
408 else if (CD9660_IS_COMMAND_ARG(var, "allow-illegal-chars"))
409 diskStructure.allow_illegal_chars = 1;
410 else if (CD9660_IS_COMMAND_ARG(var, "allow-lowercase"))
411 diskStructure.allow_lowercase = 1;
412 else if (CD9660_IS_COMMAND_ARG(var,"allow-multidot"))
413 diskStructure.allow_multidot = 1;
414 else if (CD9660_IS_COMMAND_ARG(var, "omit-trailing-period"))
415 diskStructure.omit_trailing_period = 1;
416 else if (CD9660_IS_COMMAND_ARG(var, "no-emul-boot") ||
417 CD9660_IS_COMMAND_ARG(var, "no-boot") ||
418 CD9660_IS_COMMAND_ARG(var, "hard-disk-boot")) {
419 cd9660_eltorito_add_boot_option(var, 0);
420
421 /* End of flag variables */
422 } else if (CD9660_IS_COMMAND_ARG(var, "boot-load-segment")) {
423 if (val == NULL) {
424 warnx("Option `%s' doesn't contain a value", var);
425 rv = 0;
426 } else {
427 cd9660_eltorito_add_boot_option(var, val);
428 }
429 } else {
430 if (val == NULL) {
431 warnx("Option `%s' doesn't contain a value", var);
432 rv = 0;
433 } else
434 rv = set_option(cd9660_options, var, val);
435 }
436
437 if (var)
438 free(var);
439 return (rv);
440 }
441
442 /*
443 * Main function for cd9660_makefs
444 * Builds the ISO image file
445 * @param const char *image The image filename to create
446 * @param const char *dir The directory that is being read
447 * @param struct fsnode *root The root node of the filesystem tree
448 * @param struct fsinfo_t *fsopts Any options
449 */
450 void
451 cd9660_makefs(const char *image, const char *dir, fsnode *root,
452 fsinfo_t *fsopts)
453 {
454 int startoffset;
455 int numDirectories;
456 int pathTableSectors;
457 int firstAvailableSector;
458 int totalSpace;
459 int error;
460 cd9660node *real_root;
461
462 if (diskStructure.verbose_level > 0)
463 printf("cd9660_makefs: ISO level is %i\n",
464 diskStructure.isoLevel);
465 if (diskStructure.isoLevel < 2 &&
466 diskStructure.allow_multidot)
467 errx(1, "allow-multidot requires iso level of 2\n");
468
469 assert(image != NULL);
470 assert(dir != NULL);
471 assert(root != NULL);
472
473 if (diskStructure.displayHelp) {
474 /*
475 * Display help here - probably want to put it in
476 * a separate function
477 */
478 return;
479 }
480
481 diskStructure.rootFilesystemPath = dir;
482
483 if (diskStructure.verbose_level > 0)
484 printf("cd9660_makefs: image %s directory %s root %p\n",
485 image, dir, root);
486
487 /* Set up some constants. Later, these will be defined with options */
488
489 /* Counter needed for path tables */
490 numDirectories = 0;
491
492 /* Convert tree to our own format */
493 /* Actually, we now need to add the REAL root node, at level 0 */
494
495 real_root = cd9660_allocate_cd9660node();
496 if ((real_root->isoDirRecord =
497 malloc( sizeof(iso_directory_record_cd9660) )) == NULL) {
498 CD9660_MEM_ALLOC_ERROR("cd9660_makefs");
499 exit(1);
500 }
501
502 /* Leave filename blank for root */
503 memset(real_root->isoDirRecord->name, 0,
504 ISO_FILENAME_MAXLENGTH_WITH_PADDING);
505
506 real_root->level = 0;
507 diskStructure.rootNode = real_root;
508 real_root->type = CD9660_TYPE_DIR;
509 error = 0;
510 real_root->node = root;
511 cd9660_convert_structure(root, real_root, 1, &numDirectories, &error);
512
513 if (TAILQ_EMPTY(&real_root->cn_children)) {
514 errx(1, "cd9660_makefs: converted directory is empty. "
515 "Tree conversion failed\n");
516 } else if (error != 0) {
517 errx(1, "cd9660_makefs: tree conversion failed\n");
518 } else {
519 if (diskStructure.verbose_level > 0)
520 printf("cd9660_makefs: tree converted\n");
521 }
522
523 /* Add the dot and dot dot records */
524 cd9660_add_dot_records(real_root);
525
526 cd9660_setup_root_node();
527
528 if (diskStructure.verbose_level > 0)
529 printf("cd9660_makefs: done converting tree\n");
530
531 /* non-SUSP extensions */
532 if (diskStructure.archimedes_enabled)
533 archimedes_convert_tree(diskStructure.rootNode);
534
535 /* Rock ridge / SUSP init pass */
536 if (diskStructure.rock_ridge_enabled) {
537 cd9660_susp_initialize(diskStructure.rootNode,
538 diskStructure.rootNode, NULL);
539 }
540
541 /* Build path table structure */
542 diskStructure.pathTableLength = cd9660_generate_path_table();
543
544 pathTableSectors = CD9660_BLOCKS(diskStructure.sectorSize,
545 diskStructure.pathTableLength);
546
547 firstAvailableSector = cd9660_setup_volume_descriptors();
548 if (diskStructure.is_bootable) {
549 firstAvailableSector = cd9660_setup_boot(firstAvailableSector);
550 if (firstAvailableSector < 0)
551 errx(1, "setup_boot failed");
552 }
553 /* LE first, then BE */
554 diskStructure.primaryLittleEndianTableSector = firstAvailableSector;
555 diskStructure.primaryBigEndianTableSector =
556 diskStructure.primaryLittleEndianTableSector + pathTableSectors;
557
558 /* Set the secondary ones to -1, not going to use them for now */
559 diskStructure.secondaryBigEndianTableSector = -1;
560 diskStructure.secondaryLittleEndianTableSector = -1;
561
562 diskStructure.dataFirstSector =
563 diskStructure.primaryBigEndianTableSector + pathTableSectors;
564 if (diskStructure.verbose_level > 0)
565 printf("cd9660_makefs: Path table conversion complete. "
566 "Each table is %i bytes, or %i sectors.\n",
567 diskStructure.pathTableLength, pathTableSectors);
568
569 startoffset = diskStructure.sectorSize*diskStructure.dataFirstSector;
570
571 totalSpace = cd9660_compute_offsets(real_root, startoffset);
572
573 diskStructure.totalSectors = diskStructure.dataFirstSector +
574 CD9660_BLOCKS(diskStructure.sectorSize, totalSpace);
575
576 /* Disabled until pass 1 is done */
577 if (diskStructure.rock_ridge_enabled) {
578 diskStructure.susp_continuation_area_start_sector =
579 diskStructure.totalSectors;
580 diskStructure.totalSectors +=
581 CD9660_BLOCKS(diskStructure.sectorSize,
582 diskStructure.susp_continuation_area_size);
583 cd9660_susp_finalize(diskStructure.rootNode);
584 }
585
586
587 cd9660_finalize_PVD();
588
589 /* Add padding sectors, just for testing purposes right now */
590 /* diskStructure.totalSectors+=150; */
591
592 /* Debugging output */
593 if (diskStructure.verbose_level > 0) {
594 printf("cd9660_makefs: Sectors 0-15 reserved\n");
595 printf("cd9660_makefs: Primary path tables starts in sector %i\n",
596 diskStructure.primaryLittleEndianTableSector);
597 printf("cd9660_makefs: File data starts in sector %i\n",
598 diskStructure.dataFirstSector);
599 printf("cd9660_makefs: Total sectors: %i\n",diskStructure.totalSectors);
600 }
601
602 /*
603 * Add padding sectors at the end
604 * TODO: Clean this up and separate padding
605 */
606 if (diskStructure.include_padding_areas)
607 diskStructure.totalSectors += 150;
608
609 cd9660_write_image(image);
610
611 if (diskStructure.verbose_level > 1) {
612 debug_print_volume_descriptor_information();
613 debug_print_tree(real_root,0);
614 debug_print_path_tree(real_root);
615 }
616
617 /* Clean up data structures */
618 cd9660_free_structure(real_root);
619
620 if (diskStructure.verbose_level > 0)
621 printf("cd9660_makefs: done\n");
622 }
623
624 /* Generic function pointer - implement later */
625 typedef int (*cd9660node_func)(cd9660node *);
626
627 static void
628 cd9660_finalize_PVD(void)
629 {
630 time_t tim;
631 unsigned char *temp;
632
633 /* Copy the root directory record */
634 temp = (unsigned char *) &diskStructure.primaryDescriptor;
635
636 /* root should be a fixed size of 34 bytes since it has no name */
637 memcpy(diskStructure.primaryDescriptor.root_directory_record,
638 diskStructure.rootNode->dot_record->isoDirRecord, 34);
639
640 /* In RRIP, this might be longer than 34 */
641 diskStructure.primaryDescriptor.root_directory_record[0] = 34;
642
643 /* Set up all the important numbers in the PVD */
644 cd9660_bothendian_dword(diskStructure.totalSectors,
645 (unsigned char *)diskStructure.primaryDescriptor.volume_space_size);
646 cd9660_bothendian_word(1,
647 (unsigned char *)diskStructure.primaryDescriptor.volume_set_size);
648 cd9660_bothendian_word(1,
649 (unsigned char *)
650 diskStructure.primaryDescriptor.volume_sequence_number);
651 cd9660_bothendian_word(diskStructure.sectorSize,
652 (unsigned char *)
653 diskStructure.primaryDescriptor.logical_block_size);
654 cd9660_bothendian_dword(diskStructure.pathTableLength,
655 (unsigned char *)diskStructure.primaryDescriptor.path_table_size);
656
657 cd9660_731(diskStructure.primaryLittleEndianTableSector,
658 (u_char *)diskStructure.primaryDescriptor.type_l_path_table);
659 cd9660_732(diskStructure.primaryBigEndianTableSector,
660 (u_char *)diskStructure.primaryDescriptor.type_m_path_table);
661
662 diskStructure.primaryDescriptor.file_structure_version[0] = 1;
663
664 /* Pad all strings with spaces instead of nulls */
665 cd9660_pad_string_spaces(diskStructure.primaryDescriptor.volume_id, 32);
666 cd9660_pad_string_spaces(diskStructure.primaryDescriptor.system_id, 32);
667 cd9660_pad_string_spaces(diskStructure.primaryDescriptor.volume_set_id,
668 128);
669 cd9660_pad_string_spaces(diskStructure.primaryDescriptor.publisher_id,
670 128);
671 cd9660_pad_string_spaces(diskStructure.primaryDescriptor.preparer_id,
672 128);
673 cd9660_pad_string_spaces(diskStructure.primaryDescriptor.application_id,
674 128);
675 cd9660_pad_string_spaces(
676 diskStructure.primaryDescriptor.copyright_file_id, 128);
677 cd9660_pad_string_spaces(
678 diskStructure.primaryDescriptor.abstract_file_id, 128);
679 cd9660_pad_string_spaces(
680 diskStructure.primaryDescriptor.bibliographic_file_id, 128);
681
682 /* Setup dates */
683 time(&tim);
684 cd9660_time_8426(
685 (unsigned char *)diskStructure.primaryDescriptor.creation_date,
686 tim);
687 cd9660_time_8426(
688 (unsigned char *)diskStructure.primaryDescriptor.modification_date,
689 tim);
690
691 /*
692 cd9660_set_date(diskStructure.primaryDescriptor.expiration_date, now);
693 */
694
695 memset(diskStructure.primaryDescriptor.expiration_date, '0' ,17);
696 cd9660_time_8426(
697 (unsigned char *)diskStructure.primaryDescriptor.effective_date,
698 tim);
699 }
700
701 static void
702 cd9660_populate_iso_dir_record(struct _iso_directory_record_cd9660 *record,
703 u_char ext_attr_length, u_char flags,
704 u_char name_len, const char * name)
705 {
706 record->ext_attr_length[0] = ext_attr_length;
707 record->flags[0] = ISO_FLAG_CLEAR | flags;
708 record->file_unit_size[0] = 0;
709 record->interleave[0] = 0;
710 cd9660_bothendian_word(1, record->volume_sequence_number);
711 record->name_len[0] = name_len;
712 memset(record->name, '\0', sizeof (record->name));
713 memcpy(record->name, name, name_len);
714 record->length[0] = 33 + name_len;
715
716 /* Todo : better rounding */
717 record->length[0] += (record->length[0] & 1) ? 1 : 0;
718 }
719
720 static void
721 cd9660_setup_root_node(void)
722 {
723 cd9660_populate_iso_dir_record(diskStructure.rootNode->isoDirRecord,
724 0, ISO_FLAG_DIRECTORY, 1, "\0");
725
726 }
727
728 /*********** SUPPORT FUNCTIONS ***********/
729 static int
730 cd9660_setup_volume_descriptors(void)
731 {
732 /* Boot volume descriptor should come second */
733 int sector = 16;
734 /* For now, a fixed 2 : PVD and terminator */
735 volume_descriptor *temp, *t;
736
737 /* Set up the PVD */
738 if ((temp = malloc(sizeof(volume_descriptor))) == NULL) {
739 CD9660_MEM_ALLOC_ERROR("cd9660_setup_volume_descriptors");
740 exit(1);
741 }
742
743 temp->volumeDescriptorData =
744 (unsigned char *)&diskStructure.primaryDescriptor;
745 temp->volumeDescriptorData[0] = ISO_VOLUME_DESCRIPTOR_PVD;
746 temp->volumeDescriptorData[6] = 1;
747 temp->sector = sector;
748 memcpy(temp->volumeDescriptorData + 1,
749 ISO_VOLUME_DESCRIPTOR_STANDARD_ID, 5);
750 diskStructure.firstVolumeDescriptor = temp;
751
752 sector++;
753 /* Set up boot support if enabled. BVD must reside in sector 17 */
754 if (diskStructure.is_bootable) {
755 if ((t = malloc(sizeof(volume_descriptor))) == NULL) {
756 CD9660_MEM_ALLOC_ERROR(
757 "cd9660_setup_volume_descriptors");
758 exit(1);
759 }
760 if ((t->volumeDescriptorData = malloc(2048)) == NULL) {
761 CD9660_MEM_ALLOC_ERROR(
762 "cd9660_setup_volume_descriptors");
763 exit(1);
764 }
765 temp->next = t;
766 temp = t;
767 memset(t->volumeDescriptorData, 0, 2048);
768 t->sector = 17;
769 if (diskStructure.verbose_level > 0)
770 printf("Setting up boot volume descriptor\n");
771 cd9660_setup_boot_volume_descriptor(t);
772 sector++;
773 }
774
775 /* Set up the terminator */
776 if ((t = malloc(sizeof(volume_descriptor))) == NULL) {
777 CD9660_MEM_ALLOC_ERROR("cd9660_setup_volume_descriptors");
778 exit(1);
779 }
780 if ((t->volumeDescriptorData = malloc(2048)) == NULL) {
781 CD9660_MEM_ALLOC_ERROR("cd9660_setup_volume_descriptors");
782 exit(1);
783 }
784
785 temp->next = t;
786 memset(t->volumeDescriptorData, 0, 2048);
787 t->volumeDescriptorData[0] = ISO_VOLUME_DESCRIPTOR_TERMINATOR;
788 t->next = 0;
789 t->volumeDescriptorData[6] = 1;
790 t->sector = sector;
791 memcpy(t->volumeDescriptorData + 1,
792 ISO_VOLUME_DESCRIPTOR_STANDARD_ID, 5);
793
794 sector++;
795 return sector;
796 }
797
798 #if 0
799 /*
800 * Populate EAR at some point. Not required, but is used by NetBSD's
801 * cd9660 support
802 */
803 static int
804 cd9660_fill_extended_attribute_record(cd9660node *node)
805 {
806 if ((node->isoExtAttributes =
807 malloc(sizeof(struct iso_extended_attributes))) == NULL) {
808 CD9660_MEM_ALLOC_ERROR("cd9660_fill_extended_attribute_record");
809 exit(1);
810 };
811
812 return 1;
813 }
814 #endif
815
816 static int
817 cd9960_translate_node_common(cd9660node *newnode)
818 {
819 time_t tim;
820 int test;
821 u_char flag;
822 char temp[ISO_FILENAME_MAXLENGTH_WITH_PADDING];
823
824 /* Now populate the isoDirRecord structure */
825 memset(temp, 0, ISO_FILENAME_MAXLENGTH_WITH_PADDING);
826
827 test = cd9660_convert_filename(newnode->node->name,
828 temp, !(S_ISDIR(newnode->node->type)));
829
830 flag = ISO_FLAG_CLEAR;
831 if (S_ISDIR(newnode->node->type))
832 flag |= ISO_FLAG_DIRECTORY;
833
834 cd9660_populate_iso_dir_record(newnode->isoDirRecord, 0,
835 flag, strlen(temp), temp);
836
837 /* Set the various dates */
838
839 /* If we want to use the current date and time */
840 time(&tim);
841
842 cd9660_time_915(newnode->isoDirRecord->date, tim);
843
844 cd9660_bothendian_dword(newnode->fileDataLength,
845 newnode->isoDirRecord->size);
846 /* If the file is a link, we want to set the size to 0 */
847 if (S_ISLNK(newnode->node->type))
848 newnode->fileDataLength = 0;
849
850 return 1;
851 }
852
853 /*
854 * Translate fsnode to cd9960node
855 * Translate filenames and other metadata, including dates, sizes,
856 * permissions, etc
857 * @param struct fsnode * The node generated by makefs
858 * @param struct cd9660node * The intermediate node to be written to
859 * @returns int 0 on failure, 1 on success
860 */
861 static int
862 cd9660_translate_node(fsnode *node, cd9660node *newnode)
863 {
864 if (node == NULL) {
865 if (diskStructure.verbose_level > 0)
866 printf("cd9660_translate_node: NULL node passed, "
867 "returning\n");
868 return 0;
869 }
870 if ((newnode->isoDirRecord =
871 malloc(sizeof(iso_directory_record_cd9660))) == NULL) {
872 CD9660_MEM_ALLOC_ERROR("cd9660_translate_node");
873 return 0;
874 }
875
876 /* Set the node pointer */
877 newnode->node = node;
878
879 /* Set the size */
880 if (!(S_ISDIR(node->type)))
881 newnode->fileDataLength = node->inode->st.st_size;
882
883 if (cd9960_translate_node_common(newnode) == 0)
884 return 0;
885
886 /* Finally, overwrite some of the values that are set by default */
887 cd9660_time_915(newnode->isoDirRecord->date, node->inode->st.st_mtime);
888
889 return 1;
890 }
891
892 /*
893 * Compares two ISO filenames
894 * @param const char * The first file name
895 * @param const char * The second file name
896 * @returns : -1 if first is less than second, 0 if they are the same, 1 if
897 * the second is greater than the first
898 */
899 static int
900 cd9660_compare_filename(const char *first, const char *second)
901 {
902 /*
903 * This can be made more optimal once it has been tested
904 * (the extra character, for example, is for testing)
905 */
906
907 int p1 = 0;
908 int p2 = 0;
909 char c1, c2;
910 /* First, on the filename */
911
912 while (p1 < ISO_FILENAME_MAXLENGTH_BEFORE_VERSION-1
913 && p2 < ISO_FILENAME_MAXLENGTH_BEFORE_VERSION-1) {
914 c1 = first[p1];
915 c2 = second[p2];
916 if (c1 == '.' && c2 =='.')
917 break;
918 else if (c1 == '.') {
919 p2++;
920 c1 = ' ';
921 } else if (c2 == '.') {
922 p1++;
923 c2 = ' ';
924 } else {
925 p1++;
926 p2++;
927 }
928
929 if (c1 < c2)
930 return -1;
931 else if (c1 > c2) {
932 return 1;
933 }
934 }
935
936 if (first[p1] == '.' && second[p2] == '.') {
937 p1++;
938 p2++;
939 while (p1 < ISO_FILENAME_MAXLENGTH_BEFORE_VERSION - 1
940 && p2 < ISO_FILENAME_MAXLENGTH_BEFORE_VERSION - 1) {
941 c1 = first[p1];
942 c2 = second[p2];
943 if (c1 == ';' && c2 == ';')
944 break;
945 else if (c1 == ';') {
946 p2++;
947 c1 = ' ';
948 } else if (c2 == ';') {
949 p1++;
950 c2 = ' ';
951 } else {
952 p1++;
953 p2++;
954 }
955
956 if (c1 < c2)
957 return -1;
958 else if (c1 > c2)
959 return 1;
960 }
961 }
962 return 0;
963 }
964
965 /*
966 * Insert a node into list with ISO sorting rules
967 * @param cd9660node * The head node of the list
968 * @param cd9660node * The node to be inserted
969 */
970 static void
971 cd9660_sorted_child_insert(cd9660node *parent, cd9660node *cn_new)
972 {
973 int compare;
974 cd9660node *cn;
975 struct cd9660_children_head *head = &parent->cn_children;
976
977 /* TODO: Optimize? */
978 cn_new->parent = parent;
979
980 /*
981 * first will either be 0, the . or the ..
982 * if . or .., this means no other entry may be written before first
983 * if 0, the new node may be inserted at the head
984 */
985
986 TAILQ_FOREACH(cn, head, cn_next_child) {
987 /*
988 * Dont insert a node twice -
989 * that would cause an infinite loop
990 */
991 if (cn_new == cn)
992 return;
993
994 compare = cd9660_compare_filename(cn_new->isoDirRecord->name,
995 cn->isoDirRecord->name);
996
997 if (compare == 0)
998 compare = cd9660_compare_filename(cn_new->node->name,
999 cn->node->name);
1000
1001 if (compare < 0)
1002 break;
1003 }
1004 if (cn == NULL)
1005 TAILQ_INSERT_TAIL(head, cn_new, cn_next_child);
1006 else
1007 TAILQ_INSERT_BEFORE(cn, cn_new, cn_next_child);
1008 }
1009
1010 /*
1011 * Called After cd9660_sorted_child_insert
1012 * handles file collisions by suffixing each filname with ~n
1013 * where n represents the files respective place in the ordering
1014 */
1015 static int
1016 cd9660_handle_collisions(cd9660node *colliding, int past)
1017 {
1018 cd9660node *iter, *next, *prev;
1019 int skip;
1020 int delete_chars = 0;
1021 int temp_past = past;
1022 int temp_skip;
1023 int flag = 0;
1024 cd9660node *end_of_range;
1025
1026 for (iter = TAILQ_FIRST(&colliding->cn_children);
1027 iter != NULL && (next = TAILQ_NEXT(iter, cn_next_child)) != NULL;) {
1028 if (strcmp(iter->isoDirRecord->name,
1029 next->isoDirRecord->name) != 0) {
1030 iter = TAILQ_NEXT(iter, cn_next_child);
1031 continue;
1032 }
1033 flag = 1;
1034 temp_skip = skip = cd9660_count_collisions(iter);
1035 end_of_range = iter;
1036 while (temp_skip > 0) {
1037 temp_skip--;
1038 end_of_range = TAILQ_NEXT(end_of_range, cn_next_child);
1039 }
1040 temp_past = past;
1041 while (temp_past > 0) {
1042 if ((next = TAILQ_NEXT(end_of_range, cn_next_child)) != NULL)
1043 end_of_range = next;
1044 else if ((prev = TAILQ_PREV(iter, cd9660_children_head, cn_next_child)) != NULL)
1045 iter = prev;
1046 else
1047 delete_chars++;
1048 temp_past--;
1049 }
1050 skip += past;
1051 iter = cd9660_rename_filename(iter, skip, delete_chars);
1052 }
1053 return flag;
1054 }
1055
1056
1057 static cd9660node *
1058 cd9660_rename_filename(cd9660node *iter, int num, int delete_chars)
1059 {
1060 int i = 0;
1061 int numbts, dot, semi, digit, digits, temp, powers, multiplier, count;
1062 char *naming;
1063 int maxlength;
1064 char *tmp;
1065
1066 if (diskStructure.verbose_level > 0)
1067 printf("Rename_filename called\n");
1068
1069 /* TODO : A LOT of chanes regarding 8.3 filenames */
1070 if (diskStructure.isoLevel == 1)
1071 maxlength = 8;
1072 else if (diskStructure.isoLevel == 2)
1073 maxlength = 31;
1074 else
1075 maxlength = ISO_FILENAME_MAXLENGTH_BEFORE_VERSION;
1076
1077 tmp = malloc(ISO_FILENAME_MAXLENGTH_WITH_PADDING);
1078
1079 while (i < num) {
1080 powers = 1;
1081 count = 0;
1082 digits = 1;
1083 multiplier = 1;
1084 while (((int)(i / powers) ) >= 10) {
1085 digits++;
1086 powers = powers * 10;
1087 }
1088
1089 naming = iter->o_name;
1090
1091 /*
1092 while ((*naming != '.') && (*naming != ';')) {
1093 naming++;
1094 count++;
1095 }
1096 */
1097
1098 dot = -1;
1099 semi = -1;
1100 while (count < maxlength) {
1101 if (*naming == '.')
1102 dot = count;
1103 else if (*naming == ';') {
1104 semi = count;
1105 break;
1106 }
1107 naming++;
1108 count++;
1109 }
1110
1111 if ((count + digits) < maxlength)
1112 numbts = count;
1113 else
1114 numbts = maxlength - (digits);
1115 numbts -= delete_chars;
1116
1117 /* 8.3 rules - keep the extension, add before the dot */
1118
1119 /*
1120 * This code makes a bunch of assumptions.
1121 * See if you can spot them all :)
1122 */
1123
1124 /*
1125 if (diskStructure.isoLevel == 1) {
1126 numbts = 8 - digits - delete_chars;
1127 if (dot < 0) {
1128
1129 } else {
1130 if (dot < 8) {
1131 memmove(&tmp[numbts],&tmp[dot],4);
1132 }
1133 }
1134 }
1135 */
1136
1137 /* (copying just the filename before the '.' */
1138 memcpy(tmp, (iter->o_name), numbts);
1139
1140 /* adding the appropriate number following the name */
1141 temp = i;
1142 while (digits > 0) {
1143 digit = (int)(temp / powers);
1144 temp = temp - digit * powers;
1145 sprintf(&tmp[numbts] , "%d", digit);
1146 digits--;
1147 numbts++;
1148 powers = powers / 10;
1149 }
1150
1151 while ((*naming != ';') && (numbts < maxlength)) {
1152 tmp[numbts] = (*naming);
1153 naming++;
1154 numbts++;
1155 }
1156
1157 tmp[numbts] = ';';
1158 tmp[numbts+1] = '1';
1159 tmp[numbts+2] = '\0';
1160
1161 /*
1162 * now tmp has exactly the identifier
1163 * we want so we'll copy it back to record
1164 */
1165 memcpy((iter->isoDirRecord->name), tmp, numbts + 3);
1166
1167 iter = TAILQ_NEXT(iter, cn_next_child);
1168 i++;
1169 }
1170
1171 free(tmp);
1172 return iter;
1173 }
1174
1175 /* Todo: Figure out why these functions are nec. */
1176 static void
1177 cd9660_copy_filenames(cd9660node *node)
1178 {
1179 cd9660node *cn;
1180
1181 if (TAILQ_EMPTY(&node->cn_children))
1182 return;
1183
1184 if (TAILQ_FIRST(&node->cn_children)->isoDirRecord == NULL) {
1185 debug_print_tree(diskStructure.rootNode, 0);
1186 exit(1);
1187 }
1188
1189 TAILQ_FOREACH(cn, &node->cn_children, cn_next_child) {
1190 cd9660_copy_filenames(cn);
1191 memcpy(cn->o_name, cn->isoDirRecord->name,
1192 ISO_FILENAME_MAXLENGTH_WITH_PADDING);
1193 }
1194 }
1195
1196 static void
1197 cd9660_sorting_nodes(cd9660node *node)
1198 {
1199 cd9660node *cn;
1200
1201 TAILQ_FOREACH(cn, &node->cn_children, cn_next_child)
1202 cd9660_sorting_nodes(cn);
1203 cd9660_sort_nodes(node);
1204 }
1205
1206 /* XXX Bubble sort. */
1207 static void
1208 cd9660_sort_nodes(cd9660node *node)
1209 {
1210 cd9660node *cn, *next;
1211
1212 do {
1213 TAILQ_FOREACH(cn, &node->cn_children, cn_next_child) {
1214 if ((next = TAILQ_NEXT(cn, cn_next_child)) == NULL)
1215 return;
1216 else if (strcmp(next->isoDirRecord->name,
1217 cn->isoDirRecord->name) >= 0)
1218 continue;
1219 TAILQ_REMOVE(&node->cn_children, next, cn_next_child);
1220 TAILQ_INSERT_BEFORE(cn, next, cn_next_child);
1221 break;
1222 }
1223 } while (cn != NULL);
1224 }
1225
1226 static int
1227 cd9660_count_collisions(cd9660node *copy)
1228 {
1229 int count = 0;
1230 cd9660node *iter, *next;
1231
1232 for (iter = copy;
1233 (next = TAILQ_NEXT(iter, cn_next_child)) != NULL;
1234 iter = next) {
1235 if (cd9660_compare_filename(iter->isoDirRecord->name,
1236 next->isoDirRecord->name) == 0)
1237 count++;
1238 else
1239 return count;
1240 }
1241 #if 0
1242 if ((next = TAILQ_NEXT(iter, cn_next_child)) != NULL) {
1243 printf("cd9660_recurse_on_collision: count is %i \n", count);
1244 compare = cd9660_compare_filename(iter->isoDirRecord->name,
1245 next->isoDirRecord->name);
1246 if (compare == 0) {
1247 count++;
1248 return cd9660_recurse_on_collision(next, count);
1249 } else
1250 return count;
1251 }
1252 #endif
1253 return count;
1254 }
1255
1256 static cd9660node *
1257 cd9660_rrip_move_directory(cd9660node *dir)
1258 {
1259 char newname[9];
1260 cd9660node *tfile;
1261
1262 /*
1263 * This function needs to:
1264 * 1) Create an empty virtual file in place of the old directory
1265 * 2) Point the virtual file to the new directory
1266 * 3) Point the relocated directory to its old parent
1267 * 4) Move the directory specified by dir into rr_moved_dir,
1268 * and rename it to "diskStructure.rock_ridge_move_count" (as a string)
1269 */
1270
1271 /* First see if the moved directory even exists */
1272 if (diskStructure.rr_moved_dir == NULL) {
1273 diskStructure.rr_moved_dir =
1274 cd9660_create_directory(ISO_RRIP_DEFAULT_MOVE_DIR_NAME,
1275 diskStructure.rootNode, dir);
1276 if (diskStructure.rr_moved_dir == NULL)
1277 return 0;
1278 }
1279
1280 /* Create a file with the same ORIGINAL name */
1281 tfile = cd9660_create_file(dir->node->name, dir->parent, dir);
1282 if (tfile == NULL)
1283 return NULL;
1284
1285 diskStructure.rock_ridge_move_count++;
1286 snprintf(newname, sizeof(newname), "%08i",
1287 diskStructure.rock_ridge_move_count);
1288
1289 /* Point to old parent */
1290 dir->rr_real_parent = dir->parent;
1291
1292 /* Place the placeholder file */
1293 if (TAILQ_EMPTY(&dir->rr_real_parent->cn_children)) {
1294 TAILQ_INSERT_HEAD(&dir->rr_real_parent->cn_children, tfile,
1295 cn_next_child);
1296 } else {
1297 cd9660_sorted_child_insert(dir->rr_real_parent, tfile);
1298 }
1299
1300 /* Point to new parent */
1301 dir->parent = diskStructure.rr_moved_dir;
1302
1303 /* Point the file to the moved directory */
1304 tfile->rr_relocated = dir;
1305
1306 /* Actually move the directory */
1307 cd9660_sorted_child_insert(diskStructure.rr_moved_dir, dir);
1308
1309 /* TODO: Inherit permissions / ownership (basically the entire inode) */
1310
1311 /* Set the new name */
1312 memset(dir->isoDirRecord->name, 0, ISO_FILENAME_MAXLENGTH_WITH_PADDING);
1313 strncpy(dir->isoDirRecord->name, newname, 8);
1314
1315 return dir;
1316 }
1317
1318 static int
1319 cd9660_add_dot_records(cd9660node *root)
1320 {
1321 struct cd9660_children_head *head = &root->cn_children;
1322 cd9660node *cn;
1323
1324 TAILQ_FOREACH(cn, head, cn_next_child) {
1325 if ((cn->type & CD9660_TYPE_DIR) == 0)
1326 continue;
1327 /* Recursion first */
1328 cd9660_add_dot_records(cn);
1329 }
1330 cd9660_create_special_directory(CD9660_TYPE_DOT, root);
1331 cd9660_create_special_directory(CD9660_TYPE_DOTDOT, root);
1332 return 1;
1333 }
1334
1335 /*
1336 * Convert node to cd9660 structure
1337 * This function is designed to be called recursively on the root node of
1338 * the filesystem
1339 * Lots of recursion going on here, want to make sure it is efficient
1340 * @param struct fsnode * The root node to be converted
1341 * @param struct cd9660* The parent node (should not be NULL)
1342 * @param int Current directory depth
1343 * @param int* Running count of the number of directories that are being created
1344 */
1345 static void
1346 cd9660_convert_structure(fsnode *root, cd9660node *parent_node, int level,
1347 int *numDirectories, int *error)
1348 {
1349 fsnode *iterator = root;
1350 cd9660node *this_node;
1351 int working_level;
1352 int add;
1353 int flag = 0;
1354 int counter = 0;
1355
1356 /*
1357 * Newer, more efficient method, reduces recursion depth
1358 */
1359 if (root == NULL) {
1360 warnx("%s: root is null\n", __func__);
1361 return;
1362 }
1363
1364 /* Test for an empty directory - makefs still gives us the . record */
1365 if ((S_ISDIR(root->type)) && (root->name[0] == '.')
1366 && (root->name[1] == '\0')) {
1367 root = root->next;
1368 if (root == NULL)
1369 return;
1370 }
1371 if ((this_node = cd9660_allocate_cd9660node()) == NULL) {
1372 CD9660_MEM_ALLOC_ERROR(__func__);
1373 }
1374
1375 /*
1376 * To reduce the number of recursive calls, we will iterate over
1377 * the next pointers to the right.
1378 */
1379 while (iterator != NULL) {
1380 add = 1;
1381 /*
1382 * Increment the directory count if this is a directory
1383 * Ignore "." entries. We will generate them later
1384 */
1385 if (!S_ISDIR(iterator->type) ||
1386 strcmp(iterator->name, ".") != 0) {
1387
1388 /* Translate the node, including its filename */
1389 this_node->parent = parent_node;
1390 cd9660_translate_node(iterator, this_node);
1391 this_node->level = level;
1392
1393 if (S_ISDIR(iterator->type)) {
1394 (*numDirectories)++;
1395 this_node->type = CD9660_TYPE_DIR;
1396 working_level = level + 1;
1397
1398 /*
1399 * If at level 8, directory would be at 8
1400 * and have children at 9 which is not
1401 * allowed as per ISO spec
1402 */
1403 if (level == 8) {
1404 if ((!diskStructure.allow_deep_trees) &&
1405 (!diskStructure.rock_ridge_enabled)) {
1406 warnx("error: found entry "
1407 "with depth greater "
1408 "than 8.");
1409 (*error) = 1;
1410 return;
1411 } else if (diskStructure.
1412 rock_ridge_enabled) {
1413 working_level = 3;
1414 /*
1415 * Moved directory is actually
1416 * at level 2.
1417 */
1418 this_node->level =
1419 working_level - 1;
1420 if (cd9660_rrip_move_directory(
1421 this_node) == 0) {
1422 warnx("Failure in "
1423 "cd9660_rrip_"
1424 "move_directory"
1425 );
1426 (*error) = 1;
1427 return;
1428 }
1429 add = 0;
1430 }
1431 }
1432
1433 /* Do the recursive call on the children */
1434 if (iterator->child != 0) {
1435 cd9660_convert_structure(
1436 iterator->child, this_node,
1437 working_level,
1438 numDirectories, error);
1439
1440 if ((*error) == 1) {
1441 warnx("%s: Error on recursive "
1442 "call", __func__);
1443 return;
1444 }
1445 }
1446
1447 } else {
1448 /* Only directories should have children */
1449 assert(iterator->child == NULL);
1450
1451 this_node->type = CD9660_TYPE_FILE;
1452 }
1453
1454 /*
1455 * Finally, do a sorted insert
1456 */
1457 if (add) {
1458 cd9660_sorted_child_insert(
1459 parent_node, this_node);
1460 }
1461
1462 /*Allocate new temp_node */
1463 if (iterator->next != 0) {
1464 this_node = cd9660_allocate_cd9660node();
1465 if (this_node == NULL)
1466 CD9660_MEM_ALLOC_ERROR(__func__);
1467 }
1468 }
1469 iterator = iterator->next;
1470 }
1471
1472 /* cd9660_handle_collisions(first_node); */
1473
1474 /* TODO: need cleanup */
1475 cd9660_copy_filenames(parent_node);
1476
1477 do {
1478 flag = cd9660_handle_collisions(parent_node, counter);
1479 counter++;
1480 cd9660_sorting_nodes(parent_node);
1481 } while ((flag == 1) && (counter < 100));
1482 }
1483
1484 /*
1485 * Clean up the cd9660node tree
1486 * This is designed to be called recursively on the root node
1487 * @param struct cd9660node *root The node to free
1488 * @returns void
1489 */
1490 static void
1491 cd9660_free_structure(cd9660node *root)
1492 {
1493 cd9660node *cn;
1494
1495 while ((cn = TAILQ_FIRST(&root->cn_children)) != NULL) {
1496 TAILQ_REMOVE(&root->cn_children, cn, cn_next_child);
1497 cd9660_free_structure(cn);
1498 }
1499 free(root);
1500 }
1501
1502 /*
1503 * Be a little more memory conservative:
1504 * instead of having the TAILQ_ENTRY as part of the cd9660node,
1505 * just create a temporary structure
1506 */
1507 struct ptq_entry
1508 {
1509 TAILQ_ENTRY(ptq_entry) ptq;
1510 cd9660node *node;
1511 } *n;
1512
1513 #define PTQUEUE_NEW(n,s,r,t){\
1514 n = malloc(sizeof(struct s)); \
1515 if (n == NULL) \
1516 return r; \
1517 n->node = t;\
1518 }
1519
1520 /*
1521 * Generate the path tables
1522 * The specific implementation of this function is left as an exercise to the
1523 * programmer. It could be done recursively. Make sure you read how the path
1524 * table has to be laid out, it has levels.
1525 * @param struct iso9660_disk *disk The disk image
1526 * @returns int The number of built path tables (between 1 and 4), 0 on failure
1527 */
1528 static int
1529 cd9660_generate_path_table(void)
1530 {
1531 cd9660node *cn, *dirNode = diskStructure.rootNode;
1532 cd9660node *last = dirNode;
1533 int pathTableSize = 0; /* computed as we go */
1534 int counter = 1; /* root gets a count of 0 */
1535 int parentRecNum = 0; /* root's parent is '0' */
1536
1537 TAILQ_HEAD(cd9660_pt_head, ptq_entry) pt_head;
1538 TAILQ_INIT(&pt_head);
1539
1540 PTQUEUE_NEW(n, ptq_entry, -1, diskStructure.rootNode);
1541
1542 /* Push the root node */
1543 TAILQ_INSERT_HEAD(&pt_head, n, ptq);
1544
1545 /* Breadth-first traversal of file structure */
1546 while (pt_head.tqh_first != 0) {
1547 n = pt_head.tqh_first;
1548 dirNode = n->node;
1549 TAILQ_REMOVE(&pt_head, pt_head.tqh_first, ptq);
1550 free(n);
1551
1552 /* Update the size */
1553 pathTableSize += ISO_PATHTABLE_ENTRY_BASESIZE
1554 + dirNode->isoDirRecord->name_len[0]+
1555 (dirNode->isoDirRecord->name_len[0] % 2 == 0 ? 0 : 1);
1556 /* includes the padding bit */
1557
1558 dirNode->ptnumber=counter;
1559 if (dirNode != last) {
1560 last->ptnext = dirNode;
1561 dirNode->ptprev = last;
1562 }
1563 last = dirNode;
1564
1565 parentRecNum = 1;
1566 if (dirNode->parent != 0)
1567 parentRecNum = dirNode->parent->ptnumber;
1568
1569 /* Push children onto queue */
1570 TAILQ_FOREACH(cn, &dirNode->cn_children, cn_next_child) {
1571 /*
1572 * Dont add the DOT and DOTDOT types to the path
1573 * table.
1574 */
1575 if ((cn->type != CD9660_TYPE_DOT)
1576 && (cn->type != CD9660_TYPE_DOTDOT)) {
1577
1578 if (S_ISDIR(cn->node->type)) {
1579 PTQUEUE_NEW(n, ptq_entry, -1, cn);
1580 TAILQ_INSERT_TAIL(&pt_head, n, ptq);
1581 }
1582 }
1583 }
1584 counter++;
1585 }
1586 return pathTableSize;
1587 }
1588
1589 void
1590 cd9660_compute_full_filename(cd9660node *node, char *buf, int level)
1591 {
1592 cd9660node *parent;
1593
1594 parent = (node->rr_real_parent == NULL ?
1595 node->parent : node->rr_real_parent);
1596 if (parent != NULL) {
1597 cd9660_compute_full_filename(parent, buf, level + 1);
1598 strcat(buf, node->node->name);
1599 } else {
1600 /* We are at the root */
1601 strcat(buf, diskStructure.rootFilesystemPath);
1602 if (buf[strlen(buf) - 1] == '/')
1603 buf[strlen(buf) - 1] = '\0';
1604 }
1605
1606 if (level != 0)
1607 strcat(buf, "/");
1608 }
1609
1610 /* NEW filename conversion method */
1611 typedef int(*cd9660_filename_conversion_functor)(const char *, char *, int);
1612
1613
1614 /*
1615 * TODO: These two functions are almost identical.
1616 * Some code cleanup is possible here
1617 *
1618 * XXX bounds checking!
1619 */
1620 static int
1621 cd9660_level1_convert_filename(const char *oldname, char *newname, int is_file)
1622 {
1623 /*
1624 * ISO 9660 : 10.1
1625 * File Name shall not contain more than 8 d or d1 characters
1626 * File Name Extension shall not contain more than 3 d or d1 characters
1627 * Directory Identifier shall not contain more than 8 d or d1 characters
1628 */
1629 int namelen = 0;
1630 int extlen = 0;
1631 int found_ext = 0;
1632
1633 while (*oldname != '\0') {
1634 /* Handle period first, as it is special */
1635 if (*oldname == '.') {
1636 if (found_ext) {
1637 *newname++ = '_';
1638 extlen ++;
1639 }
1640 else {
1641 *newname++ = '.';
1642 found_ext = 1;
1643 }
1644 } else {
1645 /* cut RISC OS file type off ISO name */
1646 if (diskStructure.archimedes_enabled &&
1647 *oldname == ',' && strlen(oldname) == 4)
1648 break;
1649 /* Enforce 12.3 / 8 */
1650 if (((namelen == 8) && !found_ext) ||
1651 (found_ext && extlen == 3)) {
1652 break;
1653 }
1654
1655 if (islower((unsigned char)*oldname))
1656 *newname++ = toupper((unsigned char)*oldname);
1657 else if (isupper((unsigned char)*oldname)
1658 || isdigit((unsigned char)*oldname))
1659 *newname++ = *oldname;
1660 else
1661 *newname++ = '_';
1662
1663 if (found_ext)
1664 extlen++;
1665 else
1666 namelen++;
1667 }
1668 oldname ++;
1669 }
1670 if (is_file) {
1671 if (!found_ext && !diskStructure.omit_trailing_period)
1672 *newname++ = '.';
1673 /* Add version */
1674 sprintf(newname, ";%i", 1);
1675 }
1676 return namelen + extlen + found_ext;
1677 }
1678
1679 /* XXX bounds checking! */
1680 static int
1681 cd9660_level2_convert_filename(const char *oldname, char *newname, int is_file)
1682 {
1683 /*
1684 * ISO 9660 : 7.5.1
1685 * File name : 0+ d or d1 characters
1686 * separator 1 (.)
1687 * File name extension : 0+ d or d1 characters
1688 * separator 2 (;)
1689 * File version number (5 characters, 1-32767)
1690 * 1 <= Sum of File name and File name extension <= 30
1691 */
1692 int namelen = 0;
1693 int extlen = 0;
1694 int found_ext = 0;
1695
1696 while (*oldname != '\0') {
1697 /* Handle period first, as it is special */
1698 if (*oldname == '.') {
1699 if (found_ext) {
1700 if (diskStructure.allow_multidot) {
1701 *newname++ = '.';
1702 } else {
1703 *newname++ = '_';
1704 }
1705 extlen ++;
1706 }
1707 else {
1708 *newname++ = '.';
1709 found_ext = 1;
1710 }
1711 } else {
1712 /* cut RISC OS file type off ISO name */
1713 if (diskStructure.archimedes_enabled &&
1714 *oldname == ',' && strlen(oldname) == 4)
1715 break;
1716 if ((namelen + extlen) == 30)
1717 break;
1718
1719 if (islower((unsigned char)*oldname))
1720 *newname++ = toupper((unsigned char)*oldname);
1721 else if (isupper((unsigned char)*oldname) ||
1722 isdigit((unsigned char)*oldname))
1723 *newname++ = *oldname;
1724 else if (diskStructure.allow_multidot &&
1725 *oldname == '.') {
1726 *newname++ = '.';
1727 } else {
1728 *newname++ = '_';
1729 }
1730
1731 if (found_ext)
1732 extlen++;
1733 else
1734 namelen++;
1735 }
1736 oldname ++;
1737 }
1738 if (is_file) {
1739 if (!found_ext && !diskStructure.omit_trailing_period)
1740 *newname++ = '.';
1741 /* Add version */
1742 sprintf(newname, ";%i", 1);
1743 }
1744 return namelen + extlen + found_ext;
1745 }
1746
1747 #if 0
1748 static int
1749 cd9660_joliet_convert_filename(const char *oldname, char *newname, int is_file)
1750 {
1751 /* TODO: implement later, move to cd9660_joliet.c ?? */
1752 }
1753 #endif
1754
1755
1756 /*
1757 * Convert a file name to ISO compliant file name
1758 * @param char * oldname The original filename
1759 * @param char ** newname The new file name, in the appropriate character
1760 * set and of appropriate length
1761 * @param int 1 if file, 0 if directory
1762 * @returns int The length of the new string
1763 */
1764 static int
1765 cd9660_convert_filename(const char *oldname, char *newname, int is_file)
1766 {
1767 /* NEW */
1768 cd9660_filename_conversion_functor conversion_function = 0;
1769 if (diskStructure.isoLevel == 1)
1770 conversion_function = &cd9660_level1_convert_filename;
1771 else if (diskStructure.isoLevel == 2)
1772 conversion_function = &cd9660_level2_convert_filename;
1773 return (*conversion_function)(oldname, newname, is_file);
1774 }
1775
1776 int
1777 cd9660_compute_record_size(cd9660node *node)
1778 {
1779 int size = node->isoDirRecord->length[0];
1780
1781 if (diskStructure.rock_ridge_enabled)
1782 size += node->susp_entry_size;
1783 size += node->su_tail_size;
1784 size += size & 1; /* Ensure length of record is even. */
1785 assert(size <= 254);
1786 return size;
1787 }
1788
1789 static void
1790 cd9660_populate_dot_records(cd9660node *node)
1791 {
1792 node->dot_record->fileDataSector = node->fileDataSector;
1793 memcpy(node->dot_record->isoDirRecord,node->isoDirRecord, 34);
1794 node->dot_record->isoDirRecord->name_len[0] = 1;
1795 node->dot_record->isoDirRecord->name[0] = 0;
1796 node->dot_record->isoDirRecord->name[1] = 0;
1797 node->dot_record->isoDirRecord->length[0] = 34;
1798 node->dot_record->fileRecordSize =
1799 cd9660_compute_record_size(node->dot_record);
1800
1801 if (node == diskStructure.rootNode) {
1802 node->dot_dot_record->fileDataSector = node->fileDataSector;
1803 memcpy(node->dot_dot_record->isoDirRecord,node->isoDirRecord,
1804 34);
1805 } else {
1806 node->dot_dot_record->fileDataSector =
1807 node->parent->fileDataSector;
1808 memcpy(node->dot_dot_record->isoDirRecord,
1809 node->parent->isoDirRecord,34);
1810 }
1811 node->dot_dot_record->isoDirRecord->name_len[0] = 1;
1812 node->dot_dot_record->isoDirRecord->name[0] = 1;
1813 node->dot_dot_record->isoDirRecord->name[1] = 0;
1814 node->dot_dot_record->isoDirRecord->length[0] = 34;
1815 node->dot_dot_record->fileRecordSize =
1816 cd9660_compute_record_size(node->dot_dot_record);
1817 }
1818
1819 /*
1820 * @param struct cd9660node *node The node
1821 * @param int The offset (in bytes) - SHOULD align to the beginning of a sector
1822 * @returns int The total size of files and directory entries (should be
1823 * a multiple of sector size)
1824 */
1825 static int
1826 cd9660_compute_offsets(cd9660node *node, int startOffset)
1827 {
1828 /*
1829 * This function needs to compute the size of directory records and
1830 * runs, file lengths, and set the appropriate variables both in
1831 * cd9660node and isoDirEntry
1832 */
1833 int used_bytes = 0;
1834 int current_sector_usage = 0;
1835 cd9660node *child;
1836 fsinode *inode;
1837 int r;
1838
1839 assert(node != NULL);
1840
1841
1842 /*
1843 * NOTE : There needs to be some special case detection for
1844 * the "real root" node, since for it, node->node is undefined
1845 */
1846
1847 node->fileDataSector = -1;
1848
1849 if (node->type & CD9660_TYPE_DIR) {
1850 node->fileRecordSize = cd9660_compute_record_size(node);
1851 /*Set what sector this directory starts in*/
1852 node->fileDataSector =
1853 CD9660_BLOCKS(diskStructure.sectorSize,startOffset);
1854
1855 cd9660_bothendian_dword(node->fileDataSector,
1856 node->isoDirRecord->extent);
1857
1858 /*
1859 * First loop over children, need to know the size of
1860 * their directory records
1861 */
1862 node->fileSectorsUsed = 1;
1863 TAILQ_FOREACH(child, &node->cn_children, cn_next_child) {
1864 node->fileDataLength +=
1865 cd9660_compute_record_size(child);
1866 if ((cd9660_compute_record_size(child) +
1867 current_sector_usage) >=
1868 diskStructure.sectorSize) {
1869 current_sector_usage = 0;
1870 node->fileSectorsUsed++;
1871 }
1872
1873 current_sector_usage +=
1874 cd9660_compute_record_size(child);
1875 }
1876
1877 cd9660_bothendian_dword(node->fileSectorsUsed *
1878 diskStructure.sectorSize,node->isoDirRecord->size);
1879
1880 /*
1881 * This should point to the sector after the directory
1882 * record (or, the first byte in that sector)
1883 */
1884 used_bytes += node->fileSectorsUsed * diskStructure.sectorSize;
1885
1886 for (child = TAILQ_NEXT(node->dot_dot_record, cn_next_child);
1887 child != NULL; child = TAILQ_NEXT(child, cn_next_child)) {
1888 /* Directories need recursive call */
1889 if (S_ISDIR(child->node->type)) {
1890 r = cd9660_compute_offsets(child,
1891 used_bytes + startOffset);
1892
1893 if (r != -1)
1894 used_bytes += r;
1895 else
1896 return -1;
1897 }
1898 }
1899
1900 /* Explicitly set the . and .. records */
1901 cd9660_populate_dot_records(node);
1902
1903 /* Finally, do another iteration to write the file data*/
1904 for (child = TAILQ_NEXT(node->dot_dot_record, cn_next_child);
1905 child != NULL;
1906 child = TAILQ_NEXT(child, cn_next_child)) {
1907 /* Files need extent set */
1908 if (S_ISDIR(child->node->type))
1909 continue;
1910 child->fileRecordSize =
1911 cd9660_compute_record_size(child);
1912
1913 child->fileSectorsUsed =
1914 CD9660_BLOCKS(diskStructure.sectorSize,
1915 child->fileDataLength);
1916
1917 inode = child->node->inode;
1918 if ((inode->flags & FI_ALLOCATED) == 0) {
1919 inode->ino =
1920 CD9660_BLOCKS(diskStructure.sectorSize,
1921 used_bytes + startOffset);
1922 inode->flags |= FI_ALLOCATED;
1923 used_bytes += child->fileSectorsUsed *
1924 diskStructure.sectorSize;
1925 } else {
1926 INODE_WARNX(("%s: already allocated inode %d "
1927 "data sectors at %" PRIu32, __func__,
1928 (int)inode->st.st_ino, inode->ino));
1929 }
1930 child->fileDataSector = inode->ino;
1931 cd9660_bothendian_dword(child->fileDataSector,
1932 child->isoDirRecord->extent);
1933 }
1934 }
1935
1936 return used_bytes;
1937 }
1938
1939 #if 0
1940 /* Might get rid of this func */
1941 static int
1942 cd9660_copy_stat_info(cd9660node *from, cd9660node *to, int file)
1943 {
1944 to->node->inode->st.st_dev = 0;
1945 to->node->inode->st.st_ino = 0;
1946 to->node->inode->st.st_size = 0;
1947 to->node->inode->st.st_blksize = from->node->inode->st.st_blksize;
1948 to->node->inode->st.st_atime = from->node->inode->st.st_atime;
1949 to->node->inode->st.st_mtime = from->node->inode->st.st_mtime;
1950 to->node->inode->st.st_ctime = from->node->inode->st.st_ctime;
1951 to->node->inode->st.st_uid = from->node->inode->st.st_uid;
1952 to->node->inode->st.st_gid = from->node->inode->st.st_gid;
1953 to->node->inode->st.st_mode = from->node->inode->st.st_mode;
1954 /* Clear out type */
1955 to->node->inode->st.st_mode = to->node->inode->st.st_mode & ~(S_IFMT);
1956 if (file)
1957 to->node->inode->st.st_mode |= S_IFREG;
1958 else
1959 to->node->inode->st.st_mode |= S_IFDIR;
1960 return 1;
1961 }
1962 #endif
1963
1964 static cd9660node *
1965 cd9660_create_virtual_entry(const char *name, cd9660node *parent, int file,
1966 int insert)
1967 {
1968 cd9660node *temp;
1969 fsnode * tfsnode;
1970
1971 assert(parent != NULL);
1972
1973 temp = cd9660_allocate_cd9660node();
1974 if (temp == NULL)
1975 return NULL;
1976
1977 if ((tfsnode = malloc(sizeof(fsnode))) == NULL) {
1978 CD9660_MEM_ALLOC_ERROR("cd9660_create_virtual_entry");
1979 return NULL;
1980 }
1981
1982 /* Assume for now name is a valid length */
1983 if ((tfsnode->name = malloc(strlen(name) + 1)) == NULL) {
1984 CD9660_MEM_ALLOC_ERROR("cd9660_create_virtual_entry");
1985 return NULL;
1986 }
1987
1988 if ((temp->isoDirRecord =
1989 malloc(sizeof(iso_directory_record_cd9660))) == NULL) {
1990 CD9660_MEM_ALLOC_ERROR("cd9660_create_virtual_entry");
1991 return NULL;
1992 }
1993
1994 strcpy(tfsnode->name, name);
1995
1996 cd9660_convert_filename(tfsnode->name, temp->isoDirRecord->name, file);
1997
1998 temp->node = tfsnode;
1999 temp->parent = parent;
2000
2001 if (insert) {
2002 if (temp->parent != NULL) {
2003 temp->level = temp->parent->level + 1;
2004 if (!TAILQ_EMPTY(&temp->parent->cn_children))
2005 cd9660_sorted_child_insert(temp->parent, temp);
2006 else
2007 TAILQ_INSERT_HEAD(&temp->parent->cn_children,
2008 temp, cn_next_child);
2009 }
2010 }
2011
2012 if (parent->node != NULL) {
2013 tfsnode->type = parent->node->type;
2014 }
2015
2016 /* Clear out file type bits */
2017 tfsnode->type &= ~(S_IFMT);
2018 if (file)
2019 tfsnode->type |= S_IFREG;
2020 else
2021 tfsnode->type |= S_IFDIR;
2022
2023 /* Indicate that there is no spec entry (inode) */
2024 tfsnode->flags &= ~(FSNODE_F_HASSPEC);
2025 #if 0
2026 cd9660_copy_stat_info(parent, temp, file);
2027 #endif
2028 return temp;
2029 }
2030
2031 static cd9660node *
2032 cd9660_create_file(const char * name, cd9660node *parent, cd9660node *me)
2033 {
2034 cd9660node *temp;
2035
2036 temp = cd9660_create_virtual_entry(name,parent,1,1);
2037 if (temp == NULL)
2038 return NULL;
2039
2040 temp->fileDataLength = 0;
2041
2042 temp->type = CD9660_TYPE_FILE | CD9660_TYPE_VIRTUAL;
2043
2044 if ((temp->node->inode = calloc(1, sizeof(fsinode))) == NULL)
2045 return NULL;
2046 *temp->node->inode = *me->node->inode;
2047
2048 if (cd9960_translate_node_common(temp) == 0)
2049 return NULL;
2050 return temp;
2051 }
2052
2053 /*
2054 * Create a new directory which does not exist on disk
2055 * @param const char * name The name to assign to the directory
2056 * @param const char * parent Pointer to the parent directory
2057 * @returns cd9660node * Pointer to the new directory
2058 */
2059 static cd9660node *
2060 cd9660_create_directory(const char *name, cd9660node *parent, cd9660node *me)
2061 {
2062 cd9660node *temp;
2063
2064 temp = cd9660_create_virtual_entry(name,parent,0,1);
2065 if (temp == NULL)
2066 return NULL;
2067 temp->node->type |= S_IFDIR;
2068
2069 temp->type = CD9660_TYPE_DIR | CD9660_TYPE_VIRTUAL;
2070
2071 if ((temp->node->inode = calloc(1, sizeof(fsinode))) == NULL)
2072 return NULL;
2073 *temp->node->inode = *me->node->inode;
2074
2075 if (cd9960_translate_node_common(temp) == 0)
2076 return NULL;
2077 return temp;
2078 }
2079
2080 static cd9660node *
2081 cd9660_create_special_directory(u_char type, cd9660node *parent)
2082 {
2083 cd9660node *temp, *first;
2084 char na[2];
2085
2086 assert(parent != NULL);
2087
2088 if (type == CD9660_TYPE_DOT)
2089 na[0] = 0;
2090 else if (type == CD9660_TYPE_DOTDOT)
2091 na[0] = 1;
2092 else
2093 return 0;
2094
2095 na[1] = 0;
2096 if ((temp = cd9660_create_virtual_entry(na, parent, 0, 0)) == NULL)
2097 return NULL;
2098
2099 temp->parent = parent;
2100 temp->type = type;
2101 temp->isoDirRecord->length[0] = 34;
2102 /* Dot record is always first */
2103 if (type == CD9660_TYPE_DOT) {
2104 parent->dot_record = temp;
2105 TAILQ_INSERT_HEAD(&parent->cn_children, temp, cn_next_child);
2106 /* DotDot should be second */
2107 } else if (type == CD9660_TYPE_DOTDOT) {
2108 parent->dot_dot_record = temp;
2109 /*
2110 * If the first child is the dot record, insert
2111 * this second. Otherwise, insert it at the head.
2112 */
2113 if ((first = TAILQ_FIRST(&parent->cn_children)) == NULL ||
2114 (first->type & CD9660_TYPE_DOT) == 0) {
2115 TAILQ_INSERT_HEAD(&parent->cn_children, temp,
2116 cn_next_child);
2117 } else {
2118 TAILQ_INSERT_AFTER(&parent->cn_children, first, temp,
2119 cn_next_child);
2120 }
2121 }
2122
2123 return temp;
2124 }
2125
2126 int
2127 cd9660_add_generic_bootimage(const char *bootimage)
2128 {
2129 struct stat stbuf;
2130
2131 assert(bootimage != NULL);
2132
2133 if (*bootimage == '\0') {
2134 warnx("Error: Boot image must be a filename");
2135 return 0;
2136 }
2137
2138 if ((diskStructure.generic_bootimage = strdup(bootimage)) == NULL) {
2139 warn("%s: strdup", __func__);
2140 return 0;
2141 }
2142
2143 /* Get information about the file */
2144 if (lstat(diskStructure.generic_bootimage, &stbuf) == -1)
2145 err(EXIT_FAILURE, "%s: lstat(\"%s\")", __func__,
2146 diskStructure.generic_bootimage);
2147
2148 if (stbuf.st_size > 32768) {
2149 warnx("Error: Boot image must be no greater than 32768 bytes");
2150 return 0;
2151 }
2152
2153 if (diskStructure.verbose_level > 0) {
2154 printf("Generic boot image image has size %lld\n",
2155 (long long)stbuf.st_size);
2156 }
2157
2158 diskStructure.has_generic_bootimage = 1;
2159
2160 return 1;
2161 }
NetBSD on the FriendlyARM MINI2440