xref: /freebsd/usr.sbin/makefs/cd9660.c (revision 792bbaba989533a1fc93823df1720c8c4aaf0442)
1 /*	$NetBSD: cd9660.c,v 1.32 2011/08/23 17:09:11 christos 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 #include <sys/cdefs.h>
99 __FBSDID("$FreeBSD$");
100 
101 #include <sys/param.h>
102 #include <sys/queue.h>
103 #include <ctype.h>
104 #include <stdlib.h>
105 #include <string.h>
106 
107 #include "makefs.h"
108 #include "cd9660.h"
109 #include "cd9660/iso9660_rrip.h"
110 #include "cd9660/cd9660_archimedes.h"
111 
112 /*
113  * Global variables
114  */
115 iso9660_disk diskStructure;
116 
117 static void cd9660_finalize_PVD(void);
118 static cd9660node *cd9660_allocate_cd9660node(void);
119 static void cd9660_set_defaults(void);
120 static int cd9660_arguments_set_string(const char *, const char *, int,
121     char, char *);
122 static void cd9660_populate_iso_dir_record(
123     struct _iso_directory_record_cd9660 *, u_char, u_char, u_char,
124     const char *);
125 static void cd9660_setup_root_node(void);
126 static int cd9660_setup_volume_descriptors(void);
127 #if 0
128 static int cd9660_fill_extended_attribute_record(cd9660node *);
129 #endif
130 static void cd9660_sort_nodes(cd9660node *);
131 static int cd9660_translate_node_common(cd9660node *);
132 static int cd9660_translate_node(fsnode *, cd9660node *);
133 static int cd9660_compare_filename(const char *, const char *);
134 static void cd9660_sorted_child_insert(cd9660node *, cd9660node *);
135 static int cd9660_handle_collisions(cd9660node *, int);
136 static cd9660node *cd9660_rename_filename(cd9660node *, int, int);
137 static void cd9660_copy_filenames(cd9660node *);
138 static void cd9660_sorting_nodes(cd9660node *);
139 static int cd9660_count_collisions(cd9660node *);
140 static cd9660node *cd9660_rrip_move_directory(cd9660node *);
141 static int cd9660_add_dot_records(cd9660node *);
142 
143 static void cd9660_convert_structure(fsnode *, cd9660node *, int,
144     int *, int *);
145 static void cd9660_free_structure(cd9660node *);
146 static int cd9660_generate_path_table(void);
147 static int cd9660_level1_convert_filename(const char *, char *, int);
148 static int cd9660_level2_convert_filename(const char *, char *, int);
149 #if 0
150 static int cd9660_joliet_convert_filename(const char *, char *, int);
151 #endif
152 static int cd9660_convert_filename(const char *, char *, int);
153 static void cd9660_populate_dot_records(cd9660node *);
154 static int64_t cd9660_compute_offsets(cd9660node *, int64_t);
155 #if 0
156 static int cd9660_copy_stat_info(cd9660node *, cd9660node *, int);
157 #endif
158 static cd9660node *cd9660_create_virtual_entry(const char *, cd9660node *, int,
159     int);
160 static cd9660node *cd9660_create_file(const char *, cd9660node *, cd9660node *);
161 static cd9660node *cd9660_create_directory(const char *, cd9660node *,
162     cd9660node *);
163 static cd9660node *cd9660_create_special_directory(u_char, cd9660node *);
164 
165 
166 /*
167  * Allocate and initialize a cd9660node
168  * @returns struct cd9660node * Pointer to new node, or NULL on error
169  */
170 static cd9660node *
171 cd9660_allocate_cd9660node(void)
172 {
173 	cd9660node *temp;
174 
175 	if ((temp = calloc(1, sizeof(cd9660node))) == NULL)
176 		err(EXIT_FAILURE, "%s: calloc", __func__);
177 	TAILQ_INIT(&temp->cn_children);
178 	temp->parent = temp->dot_record = temp->dot_dot_record = NULL;
179 	temp->ptnext = temp->ptprev = temp->ptlast = NULL;
180 	temp->node = NULL;
181 	temp->isoDirRecord = NULL;
182 	temp->isoExtAttributes = NULL;
183 	temp->rr_real_parent = temp->rr_relocated = NULL;
184 	temp->su_tail_data = NULL;
185 	return temp;
186 }
187 
188 int cd9660_defaults_set = 0;
189 
190 /**
191 * Set default values for cd9660 extension to makefs
192 */
193 static void
194 cd9660_set_defaults(void)
195 {
196 	/*Fix the sector size for now, though the spec allows for other sizes*/
197 	diskStructure.sectorSize = 2048;
198 
199 	/* Set up defaults in our own structure */
200 	diskStructure.verbose_level = 0;
201 	diskStructure.keep_bad_images = 0;
202 	diskStructure.follow_sym_links = 0;
203 	diskStructure.isoLevel = 2;
204 
205 	diskStructure.rock_ridge_enabled = 0;
206 	diskStructure.rock_ridge_renamed_dir_name = 0;
207 	diskStructure.rock_ridge_move_count = 0;
208 	diskStructure.rr_moved_dir = 0;
209 
210 	diskStructure.archimedes_enabled = 0;
211 	diskStructure.chrp_boot = 0;
212 
213 	diskStructure.include_padding_areas = 1;
214 
215 	/* Spec breaking functionality */
216 	diskStructure.allow_deep_trees =
217 	    diskStructure.allow_start_dot =
218 	    diskStructure.allow_max_name =
219 	    diskStructure.allow_illegal_chars =
220 	    diskStructure.allow_lowercase =
221 	    diskStructure.allow_multidot =
222 	    diskStructure.omit_trailing_period = 0;
223 
224 	/* Make sure the PVD is clear */
225 	memset(&diskStructure.primaryDescriptor, 0, 2048);
226 
227 	memset(diskStructure.primaryDescriptor.publisher_id,	0x20,128);
228 	memset(diskStructure.primaryDescriptor.preparer_id,	0x20,128);
229 	memset(diskStructure.primaryDescriptor.application_id,	0x20,128);
230 	memset(diskStructure.primaryDescriptor.copyright_file_id, 0x20,37);
231 	memset(diskStructure.primaryDescriptor.abstract_file_id, 0x20,37);
232 	memset(diskStructure.primaryDescriptor.bibliographic_file_id, 0x20,37);
233 
234 	strcpy(diskStructure.primaryDescriptor.system_id, "FreeBSD");
235 
236 	cd9660_defaults_set = 1;
237 
238 	/* Boot support: Initially disabled */
239 	diskStructure.has_generic_bootimage = 0;
240 	diskStructure.generic_bootimage = NULL;
241 
242 	diskStructure.boot_image_directory = 0;
243 	/*memset(diskStructure.boot_descriptor, 0, 2048);*/
244 
245 	diskStructure.is_bootable = 0;
246 	TAILQ_INIT(&diskStructure.boot_images);
247 	LIST_INIT(&diskStructure.boot_entries);
248 }
249 
250 void
251 cd9660_prep_opts(fsinfo_t *fsopts __unused)
252 {
253 	cd9660_set_defaults();
254 }
255 
256 void
257 cd9660_cleanup_opts(fsinfo_t *fsopts __unused)
258 {
259 
260 }
261 
262 static int
263 cd9660_arguments_set_string(const char *val, const char *fieldtitle, int length,
264 			    char testmode, char * dest)
265 {
266 	int len, test;
267 
268 	if (val == NULL)
269 		warnx("error: The %s requires a string argument", fieldtitle);
270 	else if ((len = strlen(val)) <= length) {
271 		if (testmode == 'd')
272 			test = cd9660_valid_d_chars(val);
273 		else
274 			test = cd9660_valid_a_chars(val);
275 		if (test) {
276 			memcpy(dest, val, len);
277 			if (test == 2)
278 				cd9660_uppercase_characters(dest, len);
279 			return 1;
280 		} else
281 			warnx("error: The %s must be composed of "
282 			      "%c-characters", fieldtitle, testmode);
283 	} else
284 		warnx("error: The %s must be at most 32 characters long",
285 		    fieldtitle);
286 	return 0;
287 }
288 
289 /*
290  * Command-line parsing function
291  */
292 
293 int
294 cd9660_parse_opts(const char *option, fsinfo_t *fsopts)
295 {
296 	char *var, *val;
297 	int	rv;
298 	/* Set up allowed options - integer options ONLY */
299 	option_t cd9660_options[] = {
300 		{ "l", &diskStructure.isoLevel, 1, 2, "ISO Level" },
301 		{ "isolevel", &diskStructure.isoLevel, 1, 2, "ISO Level" },
302 		{ "verbose",  &diskStructure.verbose_level, 0, 2,
303 		  "Turns on verbose output" },
304 		{ "v", &diskStructure.verbose_level, 0 , 2,
305 		  "Turns on verbose output"},
306 		{ .name = NULL }
307 	};
308 
309 	if (cd9660_defaults_set == 0)
310 		cd9660_set_defaults();
311 
312 	/*
313 	 * Todo : finish implementing this, and make a function that
314 	 * parses them
315 	 */
316 	/*
317 	string_option_t cd9660_string_options[] = {
318 		{ "L", "Label", &diskStructure.primaryDescriptor.volume_id, 1, 32, "Disk Label", ISO_STRING_FILTER_DCHARS },
319 		{ NULL }
320 	}
321 	*/
322 
323 	assert(option != NULL);
324 
325 	if (debug & DEBUG_FS_PARSE_OPTS)
326 		printf("cd9660_parse_opts: got `%s'\n", option);
327 
328 	if ((var = strdup(option)) == NULL)
329 		err(1, "allocating memory for copy of option string");
330 	rv = 1;
331 
332 	val = strchr(var, '=');
333 	if (val != NULL)
334 		*val++ = '\0';
335 
336 	/* First handle options with no parameters */
337 	if (strcmp(var, "h") == 0) {
338 		diskStructure.displayHelp = 1;
339 		rv = 1;
340 	} else if (CD9660_IS_COMMAND_ARG_DUAL(var, "S", "follow-symlinks")) {
341 		/* this is not handled yet */
342 		diskStructure.follow_sym_links = 1;
343 		rv = 1;
344 	} else if (CD9660_IS_COMMAND_ARG_DUAL(var, "L", "label")) {
345 		rv = cd9660_arguments_set_string(val, "Disk Label", 32, 'd',
346 			diskStructure.primaryDescriptor.volume_id);
347 	} else if (CD9660_IS_COMMAND_ARG_DUAL(var, "A", "applicationid")) {
348 		rv = cd9660_arguments_set_string(val, "Application Identifier", 128, 'a',
349 			diskStructure.primaryDescriptor.application_id);
350 	} else if(CD9660_IS_COMMAND_ARG_DUAL(var, "P", "publisher")) {
351 		rv = cd9660_arguments_set_string(val, "Publisher Identifier",
352 			128, 'a', diskStructure.primaryDescriptor.publisher_id);
353 	} else if (CD9660_IS_COMMAND_ARG_DUAL(var, "p", "preparer")) {
354 		rv = cd9660_arguments_set_string(val, "Preparer Identifier",
355 		    128, 'a', diskStructure.primaryDescriptor.preparer_id);
356 	} else if (CD9660_IS_COMMAND_ARG_DUAL(var, "V", "volumeid")) {
357 		rv = cd9660_arguments_set_string(val, "Volume Set Identifier",
358 		    128, 'a', diskStructure.primaryDescriptor.volume_set_id);
359 	/* Boot options */
360 	} else if (CD9660_IS_COMMAND_ARG_DUAL(var, "B", "bootimage")) {
361 		if (val == NULL)
362 			warnx("error: The Boot Image parameter requires a valid boot information string");
363 		else
364 			rv = cd9660_add_boot_disk(val);
365 	} else if (CD9660_IS_COMMAND_ARG(var, "bootimagedir")) {
366 		/*
367 		 * XXXfvdl this is unused.
368 		 */
369 		if (val == NULL)
370 			errx(1, "error: The Boot Image Directory parameter"
371 			     " requires a directory name\n");
372 		else {
373 			if ((diskStructure.boot_image_directory =
374 			     malloc(strlen(val) + 1)) == NULL) {
375 				CD9660_MEM_ALLOC_ERROR("cd9660_parse_opts");
376 				exit(1);
377 			}
378 
379 			/* BIG TODO: Add the max length function here */
380 			cd9660_arguments_set_string(val, "Boot Image Directory",
381 			    12 , 'd', diskStructure.boot_image_directory);
382 		}
383 	} else if (CD9660_IS_COMMAND_ARG_DUAL(var, "G", "generic-bootimage")) {
384 		if (val == NULL)
385 			warnx("error: The Boot Image parameter requires a valid boot information string");
386 		else
387 			rv = cd9660_add_generic_bootimage(val);
388 	} else if (CD9660_IS_COMMAND_ARG(var, "no-trailing-padding"))
389 		diskStructure.include_padding_areas = 0;
390 	/* RRIP */
391 	else if (CD9660_IS_COMMAND_ARG_DUAL(var, "R", "rockridge"))
392 		diskStructure.rock_ridge_enabled = 1;
393 	else if (CD9660_IS_COMMAND_ARG_DUAL(var, "A", "archimedes"))
394 		diskStructure.archimedes_enabled = 1;
395 	else if (CD9660_IS_COMMAND_ARG(var, "chrp-boot"))
396 		diskStructure.chrp_boot = 1;
397 	else if (CD9660_IS_COMMAND_ARG_DUAL(var, "K", "keep-bad-images"))
398 		diskStructure.keep_bad_images = 1;
399 	else if (CD9660_IS_COMMAND_ARG(var, "allow-deep-trees"))
400 		diskStructure.allow_deep_trees = 1;
401 	else if (CD9660_IS_COMMAND_ARG(var, "allow-max-name"))
402 		diskStructure.allow_max_name = 1;
403 	else if (CD9660_IS_COMMAND_ARG(var, "allow-illegal-chars"))
404 		diskStructure.allow_illegal_chars = 1;
405 	else if (CD9660_IS_COMMAND_ARG(var, "allow-lowercase"))
406 		diskStructure.allow_lowercase = 1;
407 	else if (CD9660_IS_COMMAND_ARG(var,"allow-multidot"))
408 		diskStructure.allow_multidot = 1;
409 	else if (CD9660_IS_COMMAND_ARG(var, "omit-trailing-period"))
410 		diskStructure.omit_trailing_period = 1;
411 	else if (CD9660_IS_COMMAND_ARG(var, "no-emul-boot") ||
412 		 CD9660_IS_COMMAND_ARG(var, "no-boot") ||
413 		 CD9660_IS_COMMAND_ARG(var, "hard-disk-boot")) {
414 		cd9660_eltorito_add_boot_option(var, 0);
415 
416 		/* End of flag variables */
417         } else if (CD9660_IS_COMMAND_ARG(var, "boot-load-segment")) {
418 		if (val == NULL) {
419 			warnx("Option `%s' doesn't contain a value", var);
420 			rv = 0;
421 		} else {
422 			cd9660_eltorito_add_boot_option(var, val);
423 		}
424 	} else {
425 		if (val == NULL) {
426 			warnx("Option `%s' doesn't contain a value", var);
427 			rv = 0;
428 		} else
429 			rv = set_option(cd9660_options, var, val);
430 	}
431 
432 	free(var);
433 	return (rv);
434 }
435 
436 /*
437  * Main function for cd9660_makefs
438  * Builds the ISO image file
439  * @param const char *image The image filename to create
440  * @param const char *dir The directory that is being read
441  * @param struct fsnode *root The root node of the filesystem tree
442  * @param struct fsinfo_t *fsopts Any options
443  */
444 void
445 cd9660_makefs(const char *image, const char *dir, fsnode *root,
446     fsinfo_t *fsopts)
447 {
448 	int64_t startoffset;
449 	int numDirectories;
450 	uint64_t pathTableSectors;
451 	int64_t firstAvailableSector;
452 	int64_t totalSpace;
453 	int error;
454 	cd9660node *real_root;
455 
456 	if (diskStructure.verbose_level > 0)
457 		printf("cd9660_makefs: ISO level is %i\n",
458 		    diskStructure.isoLevel);
459 	if (diskStructure.isoLevel < 2 &&
460 	    diskStructure.allow_multidot)
461 		errx(1, "allow-multidot requires iso level of 2\n");
462 
463 	assert(image != NULL);
464 	assert(dir != NULL);
465 	assert(root != NULL);
466 
467 	if (diskStructure.displayHelp) {
468 		/*
469 		 * Display help here - probably want to put it in
470 		 * a separate function
471 		 */
472 		return;
473 	}
474 
475 	if (diskStructure.verbose_level > 0)
476 		printf("cd9660_makefs: image %s directory %s root %p\n",
477 		    image, dir, root);
478 
479 	/* Set up some constants. Later, these will be defined with options */
480 
481 	/* Counter needed for path tables */
482 	numDirectories = 0;
483 
484 	/* Convert tree to our own format */
485 	/* Actually, we now need to add the REAL root node, at level 0 */
486 
487 	real_root = cd9660_allocate_cd9660node();
488 	if ((real_root->isoDirRecord =
489 		malloc( sizeof(iso_directory_record_cd9660) )) == NULL) {
490 		CD9660_MEM_ALLOC_ERROR("cd9660_makefs");
491 		exit(1);
492 	}
493 
494 	/* Leave filename blank for root */
495 	memset(real_root->isoDirRecord->name, 0,
496 	    ISO_FILENAME_MAXLENGTH_WITH_PADDING);
497 
498 	real_root->level = 0;
499 	diskStructure.rootNode = real_root;
500 	real_root->type = CD9660_TYPE_DIR;
501 	error = 0;
502 	real_root->node = root;
503 	cd9660_convert_structure(root, real_root, 1, &numDirectories, &error);
504 
505 	if (TAILQ_EMPTY(&real_root->cn_children)) {
506 		errx(1, "cd9660_makefs: converted directory is empty. "
507 			"Tree conversion failed\n");
508 	} else if (error != 0) {
509 		errx(1, "cd9660_makefs: tree conversion failed\n");
510 	} else {
511 		if (diskStructure.verbose_level > 0)
512 			printf("cd9660_makefs: tree converted\n");
513 	}
514 
515 	/* Add the dot and dot dot records */
516 	cd9660_add_dot_records(real_root);
517 
518 	cd9660_setup_root_node();
519 
520 	if (diskStructure.verbose_level > 0)
521 		printf("cd9660_makefs: done converting tree\n");
522 
523 	/* non-SUSP extensions */
524 	if (diskStructure.archimedes_enabled)
525 		archimedes_convert_tree(diskStructure.rootNode);
526 
527 	/* Rock ridge / SUSP init pass */
528 	if (diskStructure.rock_ridge_enabled) {
529 		cd9660_susp_initialize(diskStructure.rootNode,
530 		    diskStructure.rootNode, NULL);
531 	}
532 
533 	/* Build path table structure */
534 	diskStructure.pathTableLength = cd9660_generate_path_table();
535 
536 	pathTableSectors = CD9660_BLOCKS(diskStructure.sectorSize,
537 		diskStructure.pathTableLength);
538 
539 	firstAvailableSector = cd9660_setup_volume_descriptors();
540 	if (diskStructure.is_bootable) {
541 		firstAvailableSector = cd9660_setup_boot(firstAvailableSector);
542 		if (firstAvailableSector < 0)
543 			errx(1, "setup_boot failed");
544 	}
545 	/* LE first, then BE */
546 	diskStructure.primaryLittleEndianTableSector = firstAvailableSector;
547 	diskStructure.primaryBigEndianTableSector =
548 		diskStructure.primaryLittleEndianTableSector + pathTableSectors;
549 
550 	/* Set the secondary ones to -1, not going to use them for now */
551 	diskStructure.secondaryBigEndianTableSector = -1;
552 	diskStructure.secondaryLittleEndianTableSector = -1;
553 
554 	diskStructure.dataFirstSector =
555 	    diskStructure.primaryBigEndianTableSector + pathTableSectors;
556 	if (diskStructure.verbose_level > 0)
557 		printf("cd9660_makefs: Path table conversion complete. "
558 		       "Each table is %i bytes, or %" PRIu64 " sectors.\n",
559 		    diskStructure.pathTableLength, pathTableSectors);
560 
561 	startoffset = diskStructure.sectorSize*diskStructure.dataFirstSector;
562 
563 	totalSpace = cd9660_compute_offsets(real_root, startoffset);
564 
565 	diskStructure.totalSectors = diskStructure.dataFirstSector +
566 		CD9660_BLOCKS(diskStructure.sectorSize, totalSpace);
567 
568 	/* Disabled until pass 1 is done */
569 	if (diskStructure.rock_ridge_enabled) {
570 		diskStructure.susp_continuation_area_start_sector =
571 		    diskStructure.totalSectors;
572 		diskStructure.totalSectors +=
573 		    CD9660_BLOCKS(diskStructure.sectorSize,
574 			diskStructure.susp_continuation_area_size);
575 		cd9660_susp_finalize(diskStructure.rootNode);
576 	}
577 
578 
579 	cd9660_finalize_PVD();
580 
581 	/* Add padding sectors, just for testing purposes right now */
582 	/* diskStructure.totalSectors+=150; */
583 
584 	/* Debugging output */
585 	if (diskStructure.verbose_level > 0) {
586 		printf("cd9660_makefs: Sectors 0-15 reserved\n");
587 		printf("cd9660_makefs: Primary path tables starts in sector %"
588 		    PRId64 "\n", diskStructure.primaryLittleEndianTableSector);
589 		printf("cd9660_makefs: File data starts in sector %"
590 		    PRId64 "\n", diskStructure.dataFirstSector);
591 		printf("cd9660_makefs: Total sectors: %"
592 		    PRId64 "\n", diskStructure.totalSectors);
593 	}
594 
595 	/*
596 	 * Add padding sectors at the end
597 	 * TODO: Clean this up and separate padding
598 	 */
599 	if (diskStructure.include_padding_areas)
600 		diskStructure.totalSectors += 150;
601 
602 	cd9660_write_image(image);
603 
604 	if (diskStructure.verbose_level > 1) {
605 		debug_print_volume_descriptor_information();
606 		debug_print_tree(real_root,0);
607 		debug_print_path_tree(real_root);
608 	}
609 
610 	/* Clean up data structures */
611 	cd9660_free_structure(real_root);
612 
613 	if (diskStructure.verbose_level > 0)
614 		printf("cd9660_makefs: done\n");
615 }
616 
617 /* Generic function pointer - implement later */
618 typedef int (*cd9660node_func)(cd9660node *);
619 
620 static void
621 cd9660_finalize_PVD(void)
622 {
623 	time_t tstamp = stampst.st_ino ? stampst.st_mtime : time(NULL);
624 
625 	/* root should be a fixed size of 34 bytes since it has no name */
626 	memcpy(diskStructure.primaryDescriptor.root_directory_record,
627 		diskStructure.rootNode->dot_record->isoDirRecord, 34);
628 
629 	/* In RRIP, this might be longer than 34 */
630 	diskStructure.primaryDescriptor.root_directory_record[0] = 34;
631 
632 	/* Set up all the important numbers in the PVD */
633 	cd9660_bothendian_dword(diskStructure.totalSectors,
634 	    (unsigned char *)diskStructure.primaryDescriptor.volume_space_size);
635 	cd9660_bothendian_word(1,
636 	    (unsigned char *)diskStructure.primaryDescriptor.volume_set_size);
637 	cd9660_bothendian_word(1,
638 	    (unsigned char *)
639 		diskStructure.primaryDescriptor.volume_sequence_number);
640 	cd9660_bothendian_word(diskStructure.sectorSize,
641 	    (unsigned char *)
642 		diskStructure.primaryDescriptor.logical_block_size);
643 	cd9660_bothendian_dword(diskStructure.pathTableLength,
644 	    (unsigned char *)diskStructure.primaryDescriptor.path_table_size);
645 
646 	cd9660_731(diskStructure.primaryLittleEndianTableSector,
647 		(u_char *)diskStructure.primaryDescriptor.type_l_path_table);
648 	cd9660_732(diskStructure.primaryBigEndianTableSector,
649 		(u_char *)diskStructure.primaryDescriptor.type_m_path_table);
650 
651 	diskStructure.primaryDescriptor.file_structure_version[0] = 1;
652 
653 	/* Pad all strings with spaces instead of nulls */
654 	cd9660_pad_string_spaces(diskStructure.primaryDescriptor.volume_id, 32);
655 	cd9660_pad_string_spaces(diskStructure.primaryDescriptor.system_id, 32);
656 	cd9660_pad_string_spaces(diskStructure.primaryDescriptor.volume_set_id,
657 	    128);
658 	cd9660_pad_string_spaces(diskStructure.primaryDescriptor.publisher_id,
659 	    128);
660 	cd9660_pad_string_spaces(diskStructure.primaryDescriptor.preparer_id,
661 	    128);
662 	cd9660_pad_string_spaces(diskStructure.primaryDescriptor.application_id,
663 	    128);
664 	cd9660_pad_string_spaces(
665 	    diskStructure.primaryDescriptor.copyright_file_id, 37);
666 	cd9660_pad_string_spaces(
667 		diskStructure.primaryDescriptor.abstract_file_id, 37);
668 	cd9660_pad_string_spaces(
669 		diskStructure.primaryDescriptor.bibliographic_file_id, 37);
670 
671 	/* Setup dates */
672 	cd9660_time_8426(
673 	    (unsigned char *)diskStructure.primaryDescriptor.creation_date,
674 	    tstamp);
675 	cd9660_time_8426(
676 	    (unsigned char *)diskStructure.primaryDescriptor.modification_date,
677 	    tstamp);
678 
679 #if 0
680 	cd9660_set_date(diskStructure.primaryDescriptor.expiration_date,
681 	    tstamp);
682 #endif
683 
684 	memset(diskStructure.primaryDescriptor.expiration_date, '0', 16);
685 	diskStructure.primaryDescriptor.expiration_date[16] = 0;
686 	cd9660_time_8426(
687 	    (unsigned char *)diskStructure.primaryDescriptor.effective_date,
688 	    tstamp);
689 	/* make this sane */
690 	cd9660_time_915(diskStructure.rootNode->dot_record->isoDirRecord->date,
691 	    tstamp);
692 }
693 
694 static void
695 cd9660_populate_iso_dir_record(struct _iso_directory_record_cd9660 *record,
696 			       u_char ext_attr_length, u_char flags,
697 			       u_char name_len, const char * name)
698 {
699 	record->ext_attr_length[0] = ext_attr_length;
700 	record->flags[0] = ISO_FLAG_CLEAR | flags;
701 	record->file_unit_size[0] = 0;
702 	record->interleave[0] = 0;
703 	cd9660_bothendian_word(1, record->volume_sequence_number);
704 	record->name_len[0] = name_len;
705 	memset(record->name, '\0', sizeof (record->name));
706 	memcpy(record->name, name, name_len);
707 	record->length[0] = 33 + name_len;
708 
709 	/* Todo : better rounding */
710 	record->length[0] += (record->length[0] & 1) ? 1 : 0;
711 }
712 
713 static void
714 cd9660_setup_root_node(void)
715 {
716 	cd9660_populate_iso_dir_record(diskStructure.rootNode->isoDirRecord,
717 	    0, ISO_FLAG_DIRECTORY, 1, "\0");
718 
719 }
720 
721 /*********** SUPPORT FUNCTIONS ***********/
722 static int
723 cd9660_setup_volume_descriptors(void)
724 {
725 	/* Boot volume descriptor should come second */
726 	int sector = 16;
727 	/* For now, a fixed 2 : PVD and terminator */
728 	volume_descriptor *temp, *t;
729 
730 	/* Set up the PVD */
731 	if ((temp = malloc(sizeof(volume_descriptor))) == NULL) {
732 		CD9660_MEM_ALLOC_ERROR("cd9660_setup_volume_descriptors");
733 		exit(1);
734 	}
735 
736 	temp->volumeDescriptorData =
737 	   (unsigned char *)&diskStructure.primaryDescriptor;
738 	temp->volumeDescriptorData[0] = ISO_VOLUME_DESCRIPTOR_PVD;
739 	temp->volumeDescriptorData[6] = 1;
740 	temp->sector = sector;
741 	memcpy(temp->volumeDescriptorData + 1,
742 	    ISO_VOLUME_DESCRIPTOR_STANDARD_ID, 5);
743 	diskStructure.firstVolumeDescriptor = temp;
744 
745 	sector++;
746 	/* Set up boot support if enabled. BVD must reside in sector 17 */
747 	if (diskStructure.is_bootable) {
748 		if ((t = malloc(sizeof(volume_descriptor))) == NULL) {
749 			CD9660_MEM_ALLOC_ERROR(
750 			    "cd9660_setup_volume_descriptors");
751 			exit(1);
752 		}
753 		if ((t->volumeDescriptorData = malloc(2048)) == NULL) {
754 			CD9660_MEM_ALLOC_ERROR(
755 			    "cd9660_setup_volume_descriptors");
756 			exit(1);
757 		}
758 		temp->next = t;
759 		temp = t;
760 		memset(t->volumeDescriptorData, 0, 2048);
761 		t->sector = 17;
762 		if (diskStructure.verbose_level > 0)
763 			printf("Setting up boot volume descriptor\n");
764 		cd9660_setup_boot_volume_descriptor(t);
765 		sector++;
766 	}
767 
768 	/* Set up the terminator */
769 	if ((t = malloc(sizeof(volume_descriptor))) == NULL) {
770 		CD9660_MEM_ALLOC_ERROR("cd9660_setup_volume_descriptors");
771 		exit(1);
772 	}
773 	if ((t->volumeDescriptorData = malloc(2048)) == NULL) {
774 		CD9660_MEM_ALLOC_ERROR("cd9660_setup_volume_descriptors");
775 		exit(1);
776 	}
777 
778 	temp->next = t;
779 	memset(t->volumeDescriptorData, 0, 2048);
780 	t->volumeDescriptorData[0] = ISO_VOLUME_DESCRIPTOR_TERMINATOR;
781 	t->next = NULL;
782 	t->volumeDescriptorData[6] = 1;
783 	t->sector = sector;
784 	memcpy(t->volumeDescriptorData + 1,
785 	    ISO_VOLUME_DESCRIPTOR_STANDARD_ID, 5);
786 
787 	sector++;
788 	return sector;
789 }
790 
791 #if 0
792 /*
793  * Populate EAR at some point. Not required, but is used by NetBSD's
794  * cd9660 support
795  */
796 static int
797 cd9660_fill_extended_attribute_record(cd9660node *node)
798 {
799 	if ((node->isoExtAttributes =
800 	    malloc(sizeof(struct iso_extended_attributes))) == NULL) {
801 		CD9660_MEM_ALLOC_ERROR("cd9660_fill_extended_attribute_record");
802 		exit(1);
803 	};
804 
805 	return 1;
806 }
807 #endif
808 
809 static int
810 cd9660_translate_node_common(cd9660node *newnode)
811 {
812 	time_t tstamp = stampst.st_ino ? stampst.st_mtime : time(NULL);
813 	int test;
814 	u_char flag;
815 	char temp[ISO_FILENAME_MAXLENGTH_WITH_PADDING];
816 
817 	/* Now populate the isoDirRecord structure */
818 	memset(temp, 0, ISO_FILENAME_MAXLENGTH_WITH_PADDING);
819 
820 	test = cd9660_convert_filename(newnode->node->name,
821 		temp, !(S_ISDIR(newnode->node->type)));
822 
823 	flag = ISO_FLAG_CLEAR;
824 	if (S_ISDIR(newnode->node->type))
825 		flag |= ISO_FLAG_DIRECTORY;
826 
827 	cd9660_populate_iso_dir_record(newnode->isoDirRecord, 0,
828 	    flag, strlen(temp), temp);
829 
830 	/* Set the various dates */
831 
832 	/* If we want to use the current date and time */
833 
834 	cd9660_time_915(newnode->isoDirRecord->date, tstamp);
835 
836 	cd9660_bothendian_dword(newnode->fileDataLength,
837 	    newnode->isoDirRecord->size);
838 	/* If the file is a link, we want to set the size to 0 */
839 	if (S_ISLNK(newnode->node->type))
840 		newnode->fileDataLength = 0;
841 
842 	return 1;
843 }
844 
845 /*
846  * Translate fsnode to cd9660node
847  * Translate filenames and other metadata, including dates, sizes,
848  * permissions, etc
849  * @param struct fsnode * The node generated by makefs
850  * @param struct cd9660node * The intermediate node to be written to
851  * @returns int 0 on failure, 1 on success
852  */
853 static int
854 cd9660_translate_node(fsnode *node, cd9660node *newnode)
855 {
856 	if (node == NULL) {
857 		if (diskStructure.verbose_level > 0)
858 			printf("cd9660_translate_node: NULL node passed, "
859 			       "returning\n");
860 		return 0;
861 	}
862 	if ((newnode->isoDirRecord =
863 		malloc(sizeof(iso_directory_record_cd9660))) == NULL) {
864 		CD9660_MEM_ALLOC_ERROR("cd9660_translate_node");
865 		return 0;
866 	}
867 
868 	/* Set the node pointer */
869 	newnode->node = node;
870 
871 	/* Set the size */
872 	if (!(S_ISDIR(node->type)))
873 		newnode->fileDataLength = node->inode->st.st_size;
874 
875 	if (cd9660_translate_node_common(newnode) == 0)
876 		return 0;
877 
878 	/* Finally, overwrite some of the values that are set by default */
879 	cd9660_time_915(newnode->isoDirRecord->date,
880 	    stampst.st_ino ? stampst.st_mtime : node->inode->st.st_mtime);
881 
882 	return 1;
883 }
884 
885 /*
886  * Compares two ISO filenames
887  * @param const char * The first file name
888  * @param const char * The second file name
889  * @returns : -1 if first is less than second, 0 if they are the same, 1 if
890  * 	the second is greater than the first
891  */
892 static int
893 cd9660_compare_filename(const char *first, const char *second)
894 {
895 	/*
896 	 * This can be made more optimal once it has been tested
897 	 * (the extra character, for example, is for testing)
898 	 */
899 
900 	int p1 = 0;
901 	int p2 = 0;
902 	char c1, c2;
903 	/* First, on the filename */
904 
905 	while (p1 < ISO_FILENAME_MAXLENGTH_BEFORE_VERSION-1
906 		&& p2 < ISO_FILENAME_MAXLENGTH_BEFORE_VERSION-1) {
907 		c1 = first[p1];
908 		c2 = second[p2];
909 		if (c1 == '.' && c2 =='.')
910 			break;
911 		else if (c1 == '.') {
912 			p2++;
913 			c1 = ' ';
914 		} else if (c2 == '.') {
915 			p1++;
916 			c2 = ' ';
917 		} else {
918 			p1++;
919 			p2++;
920 		}
921 
922 		if (c1 < c2)
923 			return -1;
924 		else if (c1 > c2) {
925 			return 1;
926 		}
927 	}
928 
929 	if (first[p1] == '.' && second[p2] == '.') {
930 		p1++;
931 		p2++;
932 		while (p1 < ISO_FILENAME_MAXLENGTH_BEFORE_VERSION - 1
933 			&& p2 < ISO_FILENAME_MAXLENGTH_BEFORE_VERSION - 1) {
934 			c1 = first[p1];
935 			c2 = second[p2];
936 			if (c1 == ';' && c2 == ';')
937 				break;
938 			else if (c1 == ';') {
939 				p2++;
940 				c1 = ' ';
941 			} else if (c2 == ';') {
942 				p1++;
943 				c2 = ' ';
944 			} else {
945 				p1++;
946 				p2++;
947 			}
948 
949 			if (c1 < c2)
950 				return -1;
951 			else if (c1 > c2)
952 				return 1;
953 		}
954 	}
955 	return 0;
956 }
957 
958 /*
959  * Insert a node into list with ISO sorting rules
960  * @param cd9660node * The head node of the list
961  * @param cd9660node * The node to be inserted
962  */
963 static void
964 cd9660_sorted_child_insert(cd9660node *parent, cd9660node *cn_new)
965 {
966 	int compare;
967 	cd9660node *cn;
968 	struct cd9660_children_head *head = &parent->cn_children;
969 
970 	/* TODO: Optimize? */
971 	cn_new->parent = parent;
972 
973 	/*
974 	 * first will either be 0, the . or the ..
975 	 * if . or .., this means no other entry may be written before first
976 	 * if 0, the new node may be inserted at the head
977 	 */
978 
979 	TAILQ_FOREACH(cn, head, cn_next_child) {
980 		/*
981 		 * Dont insert a node twice -
982 		 * that would cause an infinite loop
983 		 */
984 		if (cn_new == cn)
985 			return;
986 
987 		compare = cd9660_compare_filename(cn_new->isoDirRecord->name,
988 			cn->isoDirRecord->name);
989 
990 		if (compare == 0)
991 			compare = cd9660_compare_filename(cn_new->node->name,
992 				cn->node->name);
993 
994 		if (compare < 0)
995 			break;
996 	}
997 	if (cn == NULL)
998 		TAILQ_INSERT_TAIL(head, cn_new, cn_next_child);
999 	else
1000 		TAILQ_INSERT_BEFORE(cn, cn_new, cn_next_child);
1001 }
1002 
1003 /*
1004  * Called After cd9660_sorted_child_insert
1005  * handles file collisions by suffixing each filname with ~n
1006  * where n represents the files respective place in the ordering
1007  */
1008 static int
1009 cd9660_handle_collisions(cd9660node *colliding, int past)
1010 {
1011 	cd9660node *iter, *next, *prev;
1012 	int skip;
1013 	int delete_chars = 0;
1014 	int temp_past = past;
1015 	int temp_skip;
1016 	int flag = 0;
1017 	cd9660node *end_of_range;
1018 
1019 	for (iter = TAILQ_FIRST(&colliding->cn_children);
1020 	     iter != NULL && (next = TAILQ_NEXT(iter, cn_next_child)) != NULL;) {
1021 		if (strcmp(iter->isoDirRecord->name,
1022 		           next->isoDirRecord->name) != 0) {
1023 			iter = TAILQ_NEXT(iter, cn_next_child);
1024 			continue;
1025 		}
1026 		flag = 1;
1027 		temp_skip = skip = cd9660_count_collisions(iter);
1028 		end_of_range = iter;
1029 		while (temp_skip > 0) {
1030 			temp_skip--;
1031 			end_of_range = TAILQ_NEXT(end_of_range, cn_next_child);
1032 		}
1033 		temp_past = past;
1034 		while (temp_past > 0) {
1035 			if ((next = TAILQ_NEXT(end_of_range, cn_next_child)) != NULL)
1036 				end_of_range = next;
1037 			else if ((prev = TAILQ_PREV(iter, cd9660_children_head, cn_next_child)) != NULL)
1038 				iter = prev;
1039 			else
1040 				delete_chars++;
1041 			temp_past--;
1042 		}
1043 		skip += past;
1044 		iter = cd9660_rename_filename(iter, skip, delete_chars);
1045 	}
1046 	return flag;
1047 }
1048 
1049 
1050 static cd9660node *
1051 cd9660_rename_filename(cd9660node *iter, int num, int delete_chars)
1052 {
1053 	int i = 0;
1054 	int numbts, digit, digits, temp, powers, count;
1055 	char *naming;
1056 	int maxlength;
1057         char *tmp;
1058 
1059 	if (diskStructure.verbose_level > 0)
1060 		printf("Rename_filename called\n");
1061 
1062 	assert(1 <= diskStructure.isoLevel && diskStructure.isoLevel <= 2);
1063 	/* TODO : A LOT of chanes regarding 8.3 filenames */
1064 	if (diskStructure.isoLevel == 1)
1065 		maxlength = 8;
1066 	else if (diskStructure.isoLevel == 2)
1067 		maxlength = 31;
1068 	else
1069 		maxlength = ISO_FILENAME_MAXLENGTH_BEFORE_VERSION;
1070 
1071 	tmp = malloc(ISO_FILENAME_MAXLENGTH_WITH_PADDING);
1072 
1073 	while (i < num && iter) {
1074 		powers = 1;
1075 		count = 0;
1076 		digits = 1;
1077 		while (((int)(i / powers) ) >= 10) {
1078 			digits++;
1079 			powers = powers * 10;
1080 		}
1081 
1082 		naming = iter->o_name;
1083 
1084 		/*
1085 		while ((*naming != '.') && (*naming != ';')) {
1086 			naming++;
1087 			count++;
1088 		}
1089 		*/
1090 
1091 		while (count < maxlength) {
1092 			if (*naming == ';')
1093 				break;
1094 			naming++;
1095 			count++;
1096 		}
1097 
1098 		if ((count + digits) < maxlength)
1099 			numbts = count;
1100 		else
1101 			numbts = maxlength - (digits);
1102 		numbts -= delete_chars;
1103 
1104 		/* 8.3 rules - keep the extension, add before the dot */
1105 
1106 		/*
1107 		 * This code makes a bunch of assumptions.
1108 		 * See if you can spot them all :)
1109 		 */
1110 
1111 		/*
1112 		if (diskStructure.isoLevel == 1) {
1113 			numbts = 8 - digits - delete_chars;
1114 			if (dot < 0) {
1115 
1116 			} else {
1117 				if (dot < 8) {
1118 					memmove(&tmp[numbts],&tmp[dot],4);
1119 				}
1120 			}
1121 		}
1122 		*/
1123 
1124 		/* (copying just the filename before the '.' */
1125 		memcpy(tmp, (iter->o_name), numbts);
1126 
1127 		/* adding the appropriate number following the name */
1128 		temp = i;
1129 		while (digits > 0) {
1130 			digit = (int)(temp / powers);
1131 			temp = temp - digit * powers;
1132 			sprintf(&tmp[numbts] , "%d", digit);
1133 			digits--;
1134 			numbts++;
1135 			powers = powers / 10;
1136 		}
1137 
1138 		while ((*naming != ';')  && (numbts < maxlength)) {
1139 			tmp[numbts] = (*naming);
1140 			naming++;
1141 			numbts++;
1142 		}
1143 
1144 		tmp[numbts] = ';';
1145 		tmp[numbts+1] = '1';
1146 		tmp[numbts+2] = '\0';
1147 
1148 		/*
1149 		 * now tmp has exactly the identifier
1150 		 * we want so we'll copy it back to record
1151 		 */
1152 		memcpy((iter->isoDirRecord->name), tmp, numbts + 3);
1153 
1154 		iter = TAILQ_NEXT(iter, cn_next_child);
1155 		i++;
1156 	}
1157 
1158 	free(tmp);
1159 	return iter;
1160 }
1161 
1162 /* Todo: Figure out why these functions are nec. */
1163 static void
1164 cd9660_copy_filenames(cd9660node *node)
1165 {
1166 	cd9660node *cn;
1167 
1168 	if (TAILQ_EMPTY(&node->cn_children))
1169 		return;
1170 
1171 	if (TAILQ_FIRST(&node->cn_children)->isoDirRecord == NULL) {
1172 		debug_print_tree(diskStructure.rootNode, 0);
1173 		exit(1);
1174 	}
1175 
1176 	TAILQ_FOREACH(cn, &node->cn_children, cn_next_child) {
1177 		cd9660_copy_filenames(cn);
1178 		memcpy(cn->o_name, cn->isoDirRecord->name,
1179 		    ISO_FILENAME_MAXLENGTH_WITH_PADDING);
1180 	}
1181 }
1182 
1183 static void
1184 cd9660_sorting_nodes(cd9660node *node)
1185 {
1186 	cd9660node *cn;
1187 
1188 	TAILQ_FOREACH(cn, &node->cn_children, cn_next_child)
1189 		cd9660_sorting_nodes(cn);
1190 	cd9660_sort_nodes(node);
1191 }
1192 
1193 /* XXX Bubble sort. */
1194 static void
1195 cd9660_sort_nodes(cd9660node *node)
1196 {
1197 	cd9660node *cn, *next;
1198 
1199 	do {
1200 		TAILQ_FOREACH(cn, &node->cn_children, cn_next_child) {
1201 			if ((next = TAILQ_NEXT(cn, cn_next_child)) == NULL)
1202 				return;
1203 			else if (strcmp(next->isoDirRecord->name,
1204 				        cn->isoDirRecord->name) >= 0)
1205 				continue;
1206 			TAILQ_REMOVE(&node->cn_children, next, cn_next_child);
1207 			TAILQ_INSERT_BEFORE(cn, next, cn_next_child);
1208 			break;
1209 		}
1210 	} while (cn != NULL);
1211 }
1212 
1213 static int
1214 cd9660_count_collisions(cd9660node *copy)
1215 {
1216 	int count = 0;
1217 	cd9660node *iter, *next;
1218 
1219 	for (iter = copy;
1220 	     (next = TAILQ_NEXT(iter, cn_next_child)) != NULL;
1221 	     iter = next) {
1222 		if (cd9660_compare_filename(iter->isoDirRecord->name,
1223 			next->isoDirRecord->name) == 0)
1224 			count++;
1225 		else
1226 			return count;
1227 	}
1228 #if 0
1229 	if ((next = TAILQ_NEXT(iter, cn_next_child)) != NULL) {
1230 		printf("cd9660_recurse_on_collision: count is %i \n", count);
1231 		compare = cd9660_compare_filename(iter->isoDirRecord->name,
1232 			next->isoDirRecord->name);
1233 		if (compare == 0) {
1234 			count++;
1235 			return cd9660_recurse_on_collision(next, count);
1236 		} else
1237 			return count;
1238 	}
1239 #endif
1240 	return count;
1241 }
1242 
1243 static cd9660node *
1244 cd9660_rrip_move_directory(cd9660node *dir)
1245 {
1246 	char newname[9];
1247 	cd9660node *tfile;
1248 
1249 	/*
1250 	 * This function needs to:
1251 	 * 1) Create an empty virtual file in place of the old directory
1252 	 * 2) Point the virtual file to the new directory
1253 	 * 3) Point the relocated directory to its old parent
1254 	 * 4) Move the directory specified by dir into rr_moved_dir,
1255 	 * and rename it to "diskStructure.rock_ridge_move_count" (as a string)
1256 	 */
1257 
1258 	/* First see if the moved directory even exists */
1259 	if (diskStructure.rr_moved_dir == NULL) {
1260 		diskStructure.rr_moved_dir =
1261 			cd9660_create_directory(ISO_RRIP_DEFAULT_MOVE_DIR_NAME,
1262 				diskStructure.rootNode, dir);
1263 		if (diskStructure.rr_moved_dir == NULL)
1264 			return 0;
1265 		cd9660_time_915(diskStructure.rr_moved_dir->isoDirRecord->date,
1266 		    stampst.st_ino ? stampst.st_mtime : start_time.tv_sec);
1267 	}
1268 
1269 	/* Create a file with the same ORIGINAL name */
1270 	tfile = cd9660_create_file(dir->node->name, dir->parent, dir);
1271 	if (tfile == NULL)
1272 		return NULL;
1273 
1274 	diskStructure.rock_ridge_move_count++;
1275 	snprintf(newname, sizeof(newname), "%08i",
1276 	    diskStructure.rock_ridge_move_count);
1277 
1278 	/* Point to old parent */
1279 	dir->rr_real_parent = dir->parent;
1280 
1281 	/* Place the placeholder file */
1282 	if (TAILQ_EMPTY(&dir->rr_real_parent->cn_children)) {
1283 		TAILQ_INSERT_HEAD(&dir->rr_real_parent->cn_children, tfile,
1284 		    cn_next_child);
1285 	} else {
1286 		cd9660_sorted_child_insert(dir->rr_real_parent, tfile);
1287 	}
1288 
1289 	/* Point to new parent */
1290 	dir->parent = diskStructure.rr_moved_dir;
1291 
1292 	/* Point the file to the moved directory */
1293 	tfile->rr_relocated = dir;
1294 
1295 	/* Actually move the directory */
1296 	cd9660_sorted_child_insert(diskStructure.rr_moved_dir, dir);
1297 
1298 	/* TODO: Inherit permissions / ownership (basically the entire inode) */
1299 
1300 	/* Set the new name */
1301 	memset(dir->isoDirRecord->name, 0, ISO_FILENAME_MAXLENGTH_WITH_PADDING);
1302 	strncpy(dir->isoDirRecord->name, newname, 8);
1303 	dir->isoDirRecord->length[0] = 34 + 8;
1304 	dir->isoDirRecord->name_len[0] = 8;
1305 
1306 	return dir;
1307 }
1308 
1309 static int
1310 cd9660_add_dot_records(cd9660node *root)
1311 {
1312 	struct cd9660_children_head *head = &root->cn_children;
1313 	cd9660node *cn;
1314 
1315 	TAILQ_FOREACH(cn, head, cn_next_child) {
1316 		if ((cn->type & CD9660_TYPE_DIR) == 0)
1317 			continue;
1318 		/* Recursion first */
1319 		cd9660_add_dot_records(cn);
1320 	}
1321 	cd9660_create_special_directory(CD9660_TYPE_DOT, root);
1322 	cd9660_create_special_directory(CD9660_TYPE_DOTDOT, root);
1323 	return 1;
1324 }
1325 
1326 /*
1327  * Convert node to cd9660 structure
1328  * This function is designed to be called recursively on the root node of
1329  * the filesystem
1330  * Lots of recursion going on here, want to make sure it is efficient
1331  * @param struct fsnode * The root node to be converted
1332  * @param struct cd9660* The parent node (should not be NULL)
1333  * @param int Current directory depth
1334  * @param int* Running count of the number of directories that are being created
1335  */
1336 static void
1337 cd9660_convert_structure(fsnode *root, cd9660node *parent_node, int level,
1338 			 int *numDirectories, int *error)
1339 {
1340 	fsnode *iterator = root;
1341 	cd9660node *this_node;
1342 	int working_level;
1343 	int add;
1344 	int flag = 0;
1345 	int counter = 0;
1346 
1347 	/*
1348 	 * Newer, more efficient method, reduces recursion depth
1349 	 */
1350 	if (root == NULL) {
1351 		warnx("%s: root is null\n", __func__);
1352 		return;
1353 	}
1354 
1355 	/* Test for an empty directory - makefs still gives us the . record */
1356 	if ((S_ISDIR(root->type)) && (root->name[0] == '.')
1357 		&& (root->name[1] == '\0')) {
1358 		root = root->next;
1359 		if (root == NULL)
1360 			return;
1361 	}
1362 	if ((this_node = cd9660_allocate_cd9660node()) == NULL) {
1363 		CD9660_MEM_ALLOC_ERROR(__func__);
1364 	}
1365 
1366 	/*
1367 	 * To reduce the number of recursive calls, we will iterate over
1368 	 * the next pointers to the right.
1369 	 */
1370 	while (iterator != NULL) {
1371 		add = 1;
1372 		/*
1373 		 * Increment the directory count if this is a directory
1374 		 * Ignore "." entries. We will generate them later
1375 		 */
1376 		if (!S_ISDIR(iterator->type) ||
1377 		    strcmp(iterator->name, ".") != 0) {
1378 
1379 			/* Translate the node, including its filename */
1380 			this_node->parent = parent_node;
1381 			cd9660_translate_node(iterator, this_node);
1382 			this_node->level = level;
1383 
1384 			if (S_ISDIR(iterator->type)) {
1385 				(*numDirectories)++;
1386 				this_node->type = CD9660_TYPE_DIR;
1387 				working_level = level + 1;
1388 
1389 				/*
1390 				 * If at level 8, directory would be at 8
1391 				 * and have children at 9 which is not
1392 				 * allowed as per ISO spec
1393 				 */
1394 				if (level == 8) {
1395 					if ((!diskStructure.allow_deep_trees) &&
1396 					  (!diskStructure.rock_ridge_enabled)) {
1397 						warnx("error: found entry "
1398 						     "with depth greater "
1399 						     "than 8.");
1400 						(*error) = 1;
1401 						return;
1402 					} else if (diskStructure.
1403 						   rock_ridge_enabled) {
1404 						working_level = 3;
1405 						/*
1406 						 * Moved directory is actually
1407 						 * at level 2.
1408 						 */
1409 						this_node->level =
1410 						    working_level - 1;
1411 						if (cd9660_rrip_move_directory(
1412 							this_node) == NULL) {
1413 							warnx("Failure in "
1414 							      "cd9660_rrip_"
1415 							      "move_directory"
1416 							);
1417 							(*error) = 1;
1418 							return;
1419 						}
1420 						add = 0;
1421 					}
1422 				}
1423 
1424 				/* Do the recursive call on the children */
1425 				if (iterator->child != NULL) {
1426 					cd9660_convert_structure(
1427 					    iterator->child, this_node,
1428 						working_level,
1429 						numDirectories, error);
1430 
1431 					if ((*error) == 1) {
1432 						warnx("%s: Error on recursive "
1433 						    "call", __func__);
1434 						return;
1435 					}
1436 				}
1437 
1438 			} else {
1439 				/* Only directories should have children */
1440 				assert(iterator->child == NULL);
1441 
1442 				this_node->type = CD9660_TYPE_FILE;
1443 			}
1444 
1445 			/*
1446 			 * Finally, do a sorted insert
1447 			 */
1448 			if (add) {
1449 				cd9660_sorted_child_insert(
1450 				    parent_node, this_node);
1451 			}
1452 
1453 			/*Allocate new temp_node */
1454 			if (iterator->next != NULL) {
1455 				this_node = cd9660_allocate_cd9660node();
1456 				if (this_node == NULL)
1457 					CD9660_MEM_ALLOC_ERROR(__func__);
1458 			}
1459 		}
1460 		iterator = iterator->next;
1461 	}
1462 
1463 	/* cd9660_handle_collisions(first_node); */
1464 
1465 	/* TODO: need cleanup */
1466 	cd9660_copy_filenames(parent_node);
1467 
1468 	do {
1469 		flag = cd9660_handle_collisions(parent_node, counter);
1470 		counter++;
1471 		cd9660_sorting_nodes(parent_node);
1472 	} while ((flag == 1) && (counter < 100));
1473 }
1474 
1475 /*
1476  * Clean up the cd9660node tree
1477  * This is designed to be called recursively on the root node
1478  * @param struct cd9660node *root The node to free
1479  * @returns void
1480  */
1481 static void
1482 cd9660_free_structure(cd9660node *root)
1483 {
1484 	cd9660node *cn;
1485 
1486 	while ((cn = TAILQ_FIRST(&root->cn_children)) != NULL) {
1487 		TAILQ_REMOVE(&root->cn_children, cn, cn_next_child);
1488 		cd9660_free_structure(cn);
1489 	}
1490 	free(root);
1491 }
1492 
1493 /*
1494  * Be a little more memory conservative:
1495  * instead of having the TAILQ_ENTRY as part of the cd9660node,
1496  * just create a temporary structure
1497  */
1498 struct ptq_entry
1499 {
1500 	TAILQ_ENTRY(ptq_entry) ptq;
1501 	cd9660node *node;
1502 } *n;
1503 
1504 #define PTQUEUE_NEW(n,s,r,t){\
1505 	n = malloc(sizeof(struct s));	\
1506 	if (n == NULL)	\
1507 		return r; \
1508 	n->node = t;\
1509 }
1510 
1511 /*
1512  * Generate the path tables
1513  * The specific implementation of this function is left as an exercise to the
1514  * programmer. It could be done recursively. Make sure you read how the path
1515  * table has to be laid out, it has levels.
1516  * @param struct iso9660_disk *disk The disk image
1517  * @returns int The number of built path tables (between 1 and 4), 0 on failure
1518  */
1519 static int
1520 cd9660_generate_path_table(void)
1521 {
1522 	cd9660node *cn, *dirNode = diskStructure.rootNode;
1523 	cd9660node *last = dirNode;
1524 	int pathTableSize = 0;	/* computed as we go */
1525 	int counter = 1;	/* root gets a count of 0 */
1526 
1527 	TAILQ_HEAD(cd9660_pt_head, ptq_entry) pt_head;
1528 	TAILQ_INIT(&pt_head);
1529 
1530 	PTQUEUE_NEW(n, ptq_entry, -1, diskStructure.rootNode);
1531 
1532 	/* Push the root node */
1533 	TAILQ_INSERT_HEAD(&pt_head, n, ptq);
1534 
1535 	/* Breadth-first traversal of file structure */
1536 	while (pt_head.tqh_first != 0) {
1537 		n = pt_head.tqh_first;
1538 		dirNode = n->node;
1539 		TAILQ_REMOVE(&pt_head, pt_head.tqh_first, ptq);
1540 		free(n);
1541 
1542 		/* Update the size */
1543 		pathTableSize += ISO_PATHTABLE_ENTRY_BASESIZE
1544 		    + dirNode->isoDirRecord->name_len[0]+
1545 			(dirNode->isoDirRecord->name_len[0] % 2 == 0 ? 0 : 1);
1546 			/* includes the padding bit */
1547 
1548 		dirNode->ptnumber=counter;
1549 		if (dirNode != last) {
1550 			last->ptnext = dirNode;
1551 			dirNode->ptprev = last;
1552 		}
1553 		last = dirNode;
1554 
1555 		/* Push children onto queue */
1556 		TAILQ_FOREACH(cn, &dirNode->cn_children, cn_next_child) {
1557 			/*
1558 			 * Dont add the DOT and DOTDOT types to the path
1559 			 * table.
1560 			 */
1561 			if ((cn->type != CD9660_TYPE_DOT)
1562 				&& (cn->type != CD9660_TYPE_DOTDOT)) {
1563 
1564 				if (S_ISDIR(cn->node->type)) {
1565 					PTQUEUE_NEW(n, ptq_entry, -1, cn);
1566 					TAILQ_INSERT_TAIL(&pt_head, n, ptq);
1567 				}
1568 			}
1569 		}
1570 		counter++;
1571 	}
1572 	return pathTableSize;
1573 }
1574 
1575 void
1576 cd9660_compute_full_filename(cd9660node *node, char *buf)
1577 {
1578 	int len;
1579 
1580 	len = CD9660MAXPATH + 1;
1581 	len = snprintf(buf, len, "%s/%s/%s", node->node->root,
1582 	    node->node->path, node->node->name);
1583 	if (len > CD9660MAXPATH)
1584 		errx(1, "Pathname too long.");
1585 }
1586 
1587 /* NEW filename conversion method */
1588 typedef int(*cd9660_filename_conversion_functor)(const char *, char *, int);
1589 
1590 
1591 /*
1592  * TODO: These two functions are almost identical.
1593  * Some code cleanup is possible here
1594  *
1595  * XXX bounds checking!
1596  */
1597 static int
1598 cd9660_level1_convert_filename(const char *oldname, char *newname, int is_file)
1599 {
1600 	/*
1601 	 * ISO 9660 : 10.1
1602 	 * File Name shall not contain more than 8 d or d1 characters
1603 	 * File Name Extension shall not contain more than 3 d or d1 characters
1604 	 * Directory Identifier shall not contain more than 8 d or d1 characters
1605 	 */
1606 	int namelen = 0;
1607 	int extlen = 0;
1608 	int found_ext = 0;
1609 
1610 	while (*oldname != '\0' && extlen < 3) {
1611 		/* Handle period first, as it is special */
1612 		if (*oldname == '.') {
1613 			if (found_ext) {
1614 				*newname++ = '_';
1615 				extlen ++;
1616 			}
1617 			else {
1618 				*newname++ = '.';
1619 				found_ext = 1;
1620 			}
1621 		} else {
1622 			/* cut RISC OS file type off ISO name */
1623 			if (diskStructure.archimedes_enabled &&
1624 			    *oldname == ',' && strlen(oldname) == 4)
1625 				break;
1626 
1627 			/* Enforce 12.3 / 8 */
1628 			if (namelen == 8 && !found_ext)
1629 				break;
1630 
1631 			if (islower((unsigned char)*oldname))
1632 				*newname++ = toupper((unsigned char)*oldname);
1633 			else if (isupper((unsigned char)*oldname)
1634 			    || isdigit((unsigned char)*oldname))
1635 				*newname++ = *oldname;
1636 			else
1637 				*newname++ = '_';
1638 
1639 			if (found_ext)
1640 				extlen++;
1641 			else
1642 				namelen++;
1643 		}
1644 		oldname++;
1645 	}
1646 	if (is_file) {
1647 		if (!found_ext && !diskStructure.omit_trailing_period)
1648 			*newname++ = '.';
1649 		/* Add version */
1650 		sprintf(newname, ";%i", 1);
1651 	}
1652 	return namelen + extlen + found_ext;
1653 }
1654 
1655 /* XXX bounds checking! */
1656 static int
1657 cd9660_level2_convert_filename(const char *oldname, char *newname, int is_file)
1658 {
1659 	/*
1660 	 * ISO 9660 : 7.5.1
1661 	 * File name : 0+ d or d1 characters
1662 	 * separator 1 (.)
1663 	 * File name extension : 0+ d or d1 characters
1664 	 * separator 2 (;)
1665 	 * File version number (5 characters, 1-32767)
1666 	 * 1 <= Sum of File name and File name extension <= 30
1667 	 */
1668 	int namelen = 0;
1669 	int extlen = 0;
1670 	int found_ext = 0;
1671 
1672 	while (*oldname != '\0' && namelen + extlen < 30) {
1673 		/* Handle period first, as it is special */
1674 		if (*oldname == '.') {
1675 			if (found_ext) {
1676 				if (diskStructure.allow_multidot) {
1677 					*newname++ = '.';
1678 				} else {
1679 					*newname++ = '_';
1680 				}
1681 				extlen ++;
1682 			}
1683 			else {
1684 				*newname++ = '.';
1685 				found_ext = 1;
1686 			}
1687 		} else {
1688 			/* cut RISC OS file type off ISO name */
1689 			if (diskStructure.archimedes_enabled &&
1690 			    *oldname == ',' && strlen(oldname) == 4)
1691 				break;
1692 
1693 			 if (islower((unsigned char)*oldname))
1694 				*newname++ = toupper((unsigned char)*oldname);
1695 			else if (isupper((unsigned char)*oldname) ||
1696 			    isdigit((unsigned char)*oldname))
1697 				*newname++ = *oldname;
1698 			else if (diskStructure.allow_multidot &&
1699 			    *oldname == '.') {
1700 			    	*newname++ = '.';
1701 			} else {
1702 				*newname++ = '_';
1703 			}
1704 
1705 			if (found_ext)
1706 				extlen++;
1707 			else
1708 				namelen++;
1709 		}
1710 		oldname ++;
1711 	}
1712 	if (is_file) {
1713 		if (!found_ext && !diskStructure.omit_trailing_period)
1714 			*newname++ = '.';
1715 		/* Add version */
1716 		sprintf(newname, ";%i", 1);
1717 	}
1718 	return namelen + extlen + found_ext;
1719 }
1720 
1721 #if 0
1722 static int
1723 cd9660_joliet_convert_filename(const char *oldname, char *newname, int is_file)
1724 {
1725 	/* TODO: implement later, move to cd9660_joliet.c ?? */
1726 }
1727 #endif
1728 
1729 
1730 /*
1731  * Convert a file name to ISO compliant file name
1732  * @param char * oldname The original filename
1733  * @param char ** newname The new file name, in the appropriate character
1734  *                        set and of appropriate length
1735  * @param int 1 if file, 0 if directory
1736  * @returns int The length of the new string
1737  */
1738 static int
1739 cd9660_convert_filename(const char *oldname, char *newname, int is_file)
1740 {
1741 	assert(1 <= diskStructure.isoLevel && diskStructure.isoLevel <= 2);
1742 	/* NEW */
1743 	cd9660_filename_conversion_functor conversion_function = NULL;
1744 	if (diskStructure.isoLevel == 1)
1745 		conversion_function = &cd9660_level1_convert_filename;
1746 	else if (diskStructure.isoLevel == 2)
1747 		conversion_function = &cd9660_level2_convert_filename;
1748 	return (*conversion_function)(oldname, newname, is_file);
1749 }
1750 
1751 int
1752 cd9660_compute_record_size(cd9660node *node)
1753 {
1754 	int size = node->isoDirRecord->length[0];
1755 
1756 	if (diskStructure.rock_ridge_enabled)
1757 		size += node->susp_entry_size;
1758 	size += node->su_tail_size;
1759 	size += size & 1; /* Ensure length of record is even. */
1760 	assert(size <= 254);
1761 	return size;
1762 }
1763 
1764 static void
1765 cd9660_populate_dot_records(cd9660node *node)
1766 {
1767 	node->dot_record->fileDataSector = node->fileDataSector;
1768 	memcpy(node->dot_record->isoDirRecord,node->isoDirRecord, 34);
1769 	node->dot_record->isoDirRecord->name_len[0] = 1;
1770 	node->dot_record->isoDirRecord->name[0] = 0;
1771 	node->dot_record->isoDirRecord->name[1] = 0;
1772 	node->dot_record->isoDirRecord->length[0] = 34;
1773 	node->dot_record->fileRecordSize =
1774 	    cd9660_compute_record_size(node->dot_record);
1775 
1776 	if (node == diskStructure.rootNode) {
1777 		node->dot_dot_record->fileDataSector = node->fileDataSector;
1778 		memcpy(node->dot_dot_record->isoDirRecord,node->isoDirRecord,
1779 		    34);
1780 	} else {
1781 		node->dot_dot_record->fileDataSector =
1782 		    node->parent->fileDataSector;
1783 		memcpy(node->dot_dot_record->isoDirRecord,
1784 		    node->parent->isoDirRecord,34);
1785 	}
1786 	node->dot_dot_record->isoDirRecord->name_len[0] = 1;
1787 	node->dot_dot_record->isoDirRecord->name[0] = 1;
1788 	node->dot_dot_record->isoDirRecord->name[1] = 0;
1789 	node->dot_dot_record->isoDirRecord->length[0] = 34;
1790 	node->dot_dot_record->fileRecordSize =
1791 	    cd9660_compute_record_size(node->dot_dot_record);
1792 }
1793 
1794 /*
1795  * @param struct cd9660node *node The node
1796  * @param int The offset (in bytes) - SHOULD align to the beginning of a sector
1797  * @returns int The total size of files and directory entries (should be
1798  *              a multiple of sector size)
1799 */
1800 static int64_t
1801 cd9660_compute_offsets(cd9660node *node, int64_t startOffset)
1802 {
1803 	/*
1804 	 * This function needs to compute the size of directory records and
1805 	 * runs, file lengths, and set the appropriate variables both in
1806 	 * cd9660node and isoDirEntry
1807 	 */
1808 	int64_t used_bytes = 0;
1809 	int64_t current_sector_usage = 0;
1810 	cd9660node *child;
1811 	fsinode *inode;
1812 	int64_t r;
1813 
1814 	assert(node != NULL);
1815 
1816 
1817 	/*
1818 	 * NOTE : There needs to be some special case detection for
1819 	 * the "real root" node, since for it, node->node is undefined
1820 	 */
1821 
1822 	node->fileDataSector = -1;
1823 
1824 	if (node->type & CD9660_TYPE_DIR) {
1825 		node->fileRecordSize = cd9660_compute_record_size(node);
1826 		/*Set what sector this directory starts in*/
1827 		node->fileDataSector =
1828 		    CD9660_BLOCKS(diskStructure.sectorSize,startOffset);
1829 
1830 		cd9660_bothendian_dword(node->fileDataSector,
1831 		    node->isoDirRecord->extent);
1832 
1833 		/*
1834 		 * First loop over children, need to know the size of
1835 		 * their directory records
1836 		 */
1837 		node->fileSectorsUsed = 1;
1838 		TAILQ_FOREACH(child, &node->cn_children, cn_next_child) {
1839 			node->fileDataLength +=
1840 			    cd9660_compute_record_size(child);
1841 			if ((cd9660_compute_record_size(child) +
1842 			    current_sector_usage) >=
1843 		 	    diskStructure.sectorSize) {
1844 				current_sector_usage = 0;
1845 				node->fileSectorsUsed++;
1846 			}
1847 
1848 			current_sector_usage +=
1849 			    cd9660_compute_record_size(child);
1850 		}
1851 
1852 		cd9660_bothendian_dword(node->fileSectorsUsed *
1853 			diskStructure.sectorSize,node->isoDirRecord->size);
1854 
1855 		/*
1856 		 * This should point to the sector after the directory
1857 		 * record (or, the first byte in that sector)
1858 		 */
1859 		used_bytes += node->fileSectorsUsed * diskStructure.sectorSize;
1860 
1861 		for (child = TAILQ_NEXT(node->dot_dot_record, cn_next_child);
1862 		     child != NULL; child = TAILQ_NEXT(child, cn_next_child)) {
1863 			/* Directories need recursive call */
1864 			if (S_ISDIR(child->node->type)) {
1865 				r = cd9660_compute_offsets(child,
1866 				    used_bytes + startOffset);
1867 
1868 				if (r != -1)
1869 					used_bytes += r;
1870 				else
1871 					return -1;
1872 			}
1873 		}
1874 
1875 		/* Explicitly set the . and .. records */
1876 		cd9660_populate_dot_records(node);
1877 
1878 		/* Finally, do another iteration to write the file data*/
1879 		for (child = TAILQ_NEXT(node->dot_dot_record, cn_next_child);
1880 		     child != NULL;
1881 		     child = TAILQ_NEXT(child, cn_next_child)) {
1882 			/* Files need extent set */
1883 			if (S_ISDIR(child->node->type))
1884 				continue;
1885 			child->fileRecordSize =
1886 			    cd9660_compute_record_size(child);
1887 
1888 			child->fileSectorsUsed =
1889 			    CD9660_BLOCKS(diskStructure.sectorSize,
1890 				child->fileDataLength);
1891 
1892 			inode = child->node->inode;
1893 			if ((inode->flags & FI_ALLOCATED) == 0) {
1894 				inode->ino =
1895 				    CD9660_BLOCKS(diskStructure.sectorSize,
1896 				        used_bytes + startOffset);
1897 				inode->flags |= FI_ALLOCATED;
1898 				used_bytes += child->fileSectorsUsed *
1899 				    diskStructure.sectorSize;
1900 			} else {
1901 				INODE_WARNX(("%s: already allocated inode %d "
1902 				      "data sectors at %" PRIu32, __func__,
1903 				      (int)inode->st.st_ino, inode->ino));
1904 			}
1905 			child->fileDataSector = inode->ino;
1906 			cd9660_bothendian_dword(child->fileDataSector,
1907 				child->isoDirRecord->extent);
1908 		}
1909 	}
1910 
1911 	return used_bytes;
1912 }
1913 
1914 #if 0
1915 /* Might get rid of this func */
1916 static int
1917 cd9660_copy_stat_info(cd9660node *from, cd9660node *to, int file)
1918 {
1919 	to->node->inode->st.st_dev = 0;
1920 	to->node->inode->st.st_ino = 0;
1921 	to->node->inode->st.st_size = 0;
1922 	to->node->inode->st.st_blksize = from->node->inode->st.st_blksize;
1923 	to->node->inode->st.st_atime = from->node->inode->st.st_atime;
1924 	to->node->inode->st.st_mtime = from->node->inode->st.st_mtime;
1925 	to->node->inode->st.st_ctime = from->node->inode->st.st_ctime;
1926 	to->node->inode->st.st_uid = from->node->inode->st.st_uid;
1927 	to->node->inode->st.st_gid = from->node->inode->st.st_gid;
1928 	to->node->inode->st.st_mode = from->node->inode->st.st_mode;
1929 	/* Clear out type */
1930 	to->node->inode->st.st_mode = to->node->inode->st.st_mode & ~(S_IFMT);
1931 	if (file)
1932 		to->node->inode->st.st_mode |= S_IFREG;
1933 	else
1934 		to->node->inode->st.st_mode |= S_IFDIR;
1935 	return 1;
1936 }
1937 #endif
1938 
1939 static cd9660node *
1940 cd9660_create_virtual_entry(const char *name, cd9660node *parent, int file,
1941 			    int insert)
1942 {
1943 	cd9660node *temp;
1944 	fsnode * tfsnode;
1945 
1946 	assert(parent != NULL);
1947 
1948 	temp = cd9660_allocate_cd9660node();
1949 	if (temp == NULL)
1950 		return NULL;
1951 
1952 	if ((tfsnode = malloc(sizeof(fsnode))) == NULL) {
1953 		CD9660_MEM_ALLOC_ERROR("cd9660_create_virtual_entry");
1954 		return NULL;
1955 	}
1956 
1957 	/* Assume for now name is a valid length */
1958 	if ((tfsnode->name = malloc(strlen(name) + 1)) == NULL) {
1959 		CD9660_MEM_ALLOC_ERROR("cd9660_create_virtual_entry");
1960 		return NULL;
1961 	}
1962 
1963 	if ((temp->isoDirRecord =
1964 	    malloc(sizeof(iso_directory_record_cd9660))) == NULL) {
1965 		CD9660_MEM_ALLOC_ERROR("cd9660_create_virtual_entry");
1966 		return NULL;
1967 	}
1968 
1969 	strcpy(tfsnode->name, name);
1970 
1971 	cd9660_convert_filename(tfsnode->name, temp->isoDirRecord->name, file);
1972 
1973 	temp->node = tfsnode;
1974 	temp->parent = parent;
1975 
1976 	if (insert) {
1977 		if (temp->parent != NULL) {
1978 			temp->level = temp->parent->level + 1;
1979 			if (!TAILQ_EMPTY(&temp->parent->cn_children))
1980 				cd9660_sorted_child_insert(temp->parent, temp);
1981 			else
1982 				TAILQ_INSERT_HEAD(&temp->parent->cn_children,
1983 				    temp, cn_next_child);
1984 		}
1985 	}
1986 
1987 	if (parent->node != NULL) {
1988 		tfsnode->type = parent->node->type;
1989 	}
1990 
1991 	/* Clear out file type bits */
1992 	tfsnode->type &= ~(S_IFMT);
1993 	if (file)
1994 		tfsnode->type |= S_IFREG;
1995 	else
1996 		tfsnode->type |= S_IFDIR;
1997 
1998 	/* Indicate that there is no spec entry (inode) */
1999 	tfsnode->flags &= ~(FSNODE_F_HASSPEC);
2000 #if 0
2001 	cd9660_copy_stat_info(parent, temp, file);
2002 #endif
2003 	return temp;
2004 }
2005 
2006 static cd9660node *
2007 cd9660_create_file(const char * name, cd9660node *parent, cd9660node *me)
2008 {
2009 	cd9660node *temp;
2010 
2011 	temp = cd9660_create_virtual_entry(name,parent,1,1);
2012 	if (temp == NULL)
2013 		return NULL;
2014 
2015 	temp->fileDataLength = 0;
2016 
2017 	temp->type = CD9660_TYPE_FILE | CD9660_TYPE_VIRTUAL;
2018 
2019 	if ((temp->node->inode = calloc(1, sizeof(fsinode))) == NULL)
2020 		return NULL;
2021 	*temp->node->inode = *me->node->inode;
2022 
2023 	if (cd9660_translate_node_common(temp) == 0)
2024 		return NULL;
2025 	return temp;
2026 }
2027 
2028 /*
2029  * Create a new directory which does not exist on disk
2030  * @param const char * name The name to assign to the directory
2031  * @param const char * parent Pointer to the parent directory
2032  * @returns cd9660node * Pointer to the new directory
2033  */
2034 static cd9660node *
2035 cd9660_create_directory(const char *name, cd9660node *parent, cd9660node *me)
2036 {
2037 	cd9660node *temp;
2038 
2039 	temp = cd9660_create_virtual_entry(name,parent,0,1);
2040 	if (temp == NULL)
2041 		return NULL;
2042 	temp->node->type |= S_IFDIR;
2043 
2044 	temp->type = CD9660_TYPE_DIR | CD9660_TYPE_VIRTUAL;
2045 
2046 	if ((temp->node->inode = calloc(1, sizeof(fsinode))) == NULL)
2047 		return NULL;
2048 	*temp->node->inode = *me->node->inode;
2049 
2050 	if (cd9660_translate_node_common(temp) == 0)
2051 		return NULL;
2052 	return temp;
2053 }
2054 
2055 static cd9660node *
2056 cd9660_create_special_directory(u_char type, cd9660node *parent)
2057 {
2058 	cd9660node *temp, *first;
2059 	char na[2];
2060 
2061 	assert(parent != NULL);
2062 
2063 	if (type == CD9660_TYPE_DOT)
2064 		na[0] = 0;
2065 	else if (type == CD9660_TYPE_DOTDOT)
2066 		na[0] = 1;
2067 	else
2068 		return 0;
2069 
2070 	na[1] = 0;
2071 	if ((temp = cd9660_create_virtual_entry(na, parent, 0, 0)) == NULL)
2072 		return NULL;
2073 
2074 	temp->parent = parent;
2075 	temp->type = type;
2076 	temp->isoDirRecord->length[0] = 34;
2077 	/* Dot record is always first */
2078 	if (type == CD9660_TYPE_DOT) {
2079 		parent->dot_record = temp;
2080 		TAILQ_INSERT_HEAD(&parent->cn_children, temp, cn_next_child);
2081 	/* DotDot should be second */
2082 	} else if (type == CD9660_TYPE_DOTDOT) {
2083 		parent->dot_dot_record = temp;
2084 		/*
2085                  * If the first child is the dot record, insert
2086                  * this second.  Otherwise, insert it at the head.
2087 		 */
2088 		if ((first = TAILQ_FIRST(&parent->cn_children)) == NULL ||
2089 		    (first->type & CD9660_TYPE_DOT) == 0) {
2090 			TAILQ_INSERT_HEAD(&parent->cn_children, temp,
2091 			    cn_next_child);
2092 		} else {
2093 			TAILQ_INSERT_AFTER(&parent->cn_children, first, temp,
2094 			    cn_next_child);
2095 		}
2096 	}
2097 
2098 	return temp;
2099 }
2100 
2101 int
2102 cd9660_add_generic_bootimage(const char *bootimage)
2103 {
2104 	struct stat stbuf;
2105 
2106 	assert(bootimage != NULL);
2107 
2108 	if (*bootimage == '\0') {
2109 		warnx("Error: Boot image must be a filename");
2110 		return 0;
2111 	}
2112 
2113 	if ((diskStructure.generic_bootimage = strdup(bootimage)) == NULL) {
2114 		warn("%s: strdup", __func__);
2115 		return 0;
2116 	}
2117 
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);
2122 
2123 	if (stbuf.st_size > 32768) {
2124 		warnx("Error: Boot image must be no greater than 32768 bytes");
2125 		return 0;
2126 	}
2127 
2128 	if (diskStructure.verbose_level > 0) {
2129 		printf("Generic boot image image has size %lld\n",
2130 		    (long long)stbuf.st_size);
2131 	}
2132 
2133 	diskStructure.has_generic_bootimage = 1;
2134 
2135 	return 1;
2136 }
2137