xref: /freebsd/usr.sbin/makefs/cd9660/iso9660_rrip.c (revision 0b3105a37d7adcadcb720112fed4dc4e8040be99)
1 /*	$NetBSD: iso9660_rrip.c,v 1.14 2014/05/30 13:14:47 martin 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 /* This will hold all the function definitions
35  * defined in iso9660_rrip.h
36  */
37 
38 #include "makefs.h"
39 #include "cd9660.h"
40 #include "iso9660_rrip.h"
41 #include <sys/queue.h>
42 #include <stdio.h>
43 
44 #include <sys/cdefs.h>
45 __FBSDID("$FreeBSD$");
46 
47 static void cd9660_rrip_initialize_inode(cd9660node *);
48 static int cd9660_susp_handle_continuation(cd9660node *);
49 static int cd9660_susp_handle_continuation_common(cd9660node *, int);
50 
51 int
52 cd9660_susp_initialize(cd9660node *node, cd9660node *parent,
53     cd9660node *grandparent)
54 {
55 	cd9660node *cn;
56 	int r;
57 
58 	/* Make sure the node is not NULL. If it is, there are major problems */
59 	assert(node != NULL);
60 
61 	if (!(node->type & CD9660_TYPE_DOT) &&
62 	    !(node->type & CD9660_TYPE_DOTDOT))
63 		TAILQ_INIT(&(node->head));
64 	if (node->dot_record != 0)
65 		TAILQ_INIT(&(node->dot_record->head));
66 	if (node->dot_dot_record != 0)
67 		TAILQ_INIT(&(node->dot_dot_record->head));
68 
69 	 /* SUSP specific entries here */
70 	if ((r = cd9660_susp_initialize_node(node)) < 0)
71 		return r;
72 
73 	/* currently called cd9660node_rrip_init_links */
74 	r = cd9660_rrip_initialize_node(node, parent, grandparent);
75 	if (r < 0)
76 		return r;
77 
78 	/*
79 	 * See if we need a CE record, and set all of the
80 	 * associated counters.
81 	 *
82 	 * This should be called after all extensions. After
83 	 * this is called, no new records should be added.
84 	 */
85 	if ((r = cd9660_susp_handle_continuation(node)) < 0)
86 		return r;
87 
88 	/* Recurse on children. */
89 	TAILQ_FOREACH(cn, &node->cn_children, cn_next_child) {
90 		if ((r = cd9660_susp_initialize(cn, node, parent)) < 0)
91 			return 0;
92 	}
93 	return 1;
94 }
95 
96 int
97 cd9660_susp_finalize(cd9660node *node)
98 {
99 	cd9660node *temp;
100 	int r;
101 
102 	assert(node != NULL);
103 
104 	if (node == diskStructure.rootNode)
105 		diskStructure.susp_continuation_area_current_free = 0;
106 
107 	if ((r = cd9660_susp_finalize_node(node)) < 0)
108 		return r;
109 	if ((r = cd9660_rrip_finalize_node(node)) < 0)
110 		return r;
111 
112 	TAILQ_FOREACH(temp, &node->cn_children, cn_next_child) {
113 		if ((r = cd9660_susp_finalize(temp)) < 0)
114 			return r;
115 	}
116 	return 1;
117 }
118 
119 /*
120  * If we really wanted to speed things up, we could have some sort of
121  * lookup table on the SUSP entry type that calls a functor. Or, we could
122  * combine the functions. These functions are kept separate to allow
123  * easier addition of other extensions.
124 
125  * For the sake of simplicity and clarity, we won't be doing that for now.
126  */
127 
128 /*
129  * SUSP needs to update the following types:
130  * CE (continuation area)
131  */
132 int
133 cd9660_susp_finalize_node(cd9660node *node)
134 {
135 	struct ISO_SUSP_ATTRIBUTES *t;
136 
137 	/* Handle CE counters */
138 	if (node->susp_entry_ce_length > 0) {
139 		node->susp_entry_ce_start =
140 		    diskStructure.susp_continuation_area_current_free;
141 		diskStructure.susp_continuation_area_current_free +=
142 		    node->susp_entry_ce_length;
143 	}
144 
145 	TAILQ_FOREACH(t, &node->head, rr_ll) {
146 		if (t->susp_type != SUSP_TYPE_SUSP ||
147 		    t->entry_type != SUSP_ENTRY_SUSP_CE)
148 			continue;
149 		cd9660_bothendian_dword(
150 			diskStructure.
151 			  susp_continuation_area_start_sector,
152 			t->attr.su_entry.CE.ca_sector);
153 
154 		cd9660_bothendian_dword(
155 			diskStructure.
156 			  susp_continuation_area_start_sector,
157 			t->attr.su_entry.CE.ca_sector);
158 		cd9660_bothendian_dword(node->susp_entry_ce_start,
159 			t->attr.su_entry.CE.offset);
160 		cd9660_bothendian_dword(node->susp_entry_ce_length,
161 			t->attr.su_entry.CE.length);
162 	}
163 	return 0;
164 }
165 
166 int
167 cd9660_rrip_finalize_node(cd9660node *node)
168 {
169 	struct ISO_SUSP_ATTRIBUTES *t;
170 
171 	TAILQ_FOREACH(t, &node->head, rr_ll) {
172 		if (t->susp_type != SUSP_TYPE_RRIP)
173 			continue;
174 		switch (t->entry_type) {
175 		case SUSP_ENTRY_RRIP_CL:
176 			/* Look at rr_relocated*/
177 			if (node->rr_relocated == NULL)
178 				return -1;
179 			cd9660_bothendian_dword(
180 				node->rr_relocated->fileDataSector,
181 				(unsigned char *)
182 				    t->attr.rr_entry.CL.dir_loc);
183 			break;
184 		case SUSP_ENTRY_RRIP_PL:
185 			/* Look at rr_real_parent */
186 			if (node->parent == NULL ||
187 			    node->parent->rr_real_parent == NULL)
188 				return -1;
189 			cd9660_bothendian_dword(
190 				node->parent->rr_real_parent->fileDataSector,
191 				(unsigned char *)
192 				    t->attr.rr_entry.PL.dir_loc);
193 			break;
194 		}
195 	}
196 	return 0;
197 }
198 
199 static int
200 cd9660_susp_handle_continuation_common(cd9660node *node, int space)
201 {
202 	int ca_used, susp_used, susp_used_pre_ce, working;
203 	struct ISO_SUSP_ATTRIBUTES *temp, *pre_ce, *last, *CE, *ST;
204 
205 	pre_ce = last = NULL;
206 	working = 254 - space;
207 	if (node->su_tail_size > 0)
208 		/* Allow 4 bytes for "ST" record. */
209 		working -= node->su_tail_size + 4;
210 	/* printf("There are %i bytes to work with\n",working); */
211 
212 	susp_used_pre_ce = susp_used = 0;
213 	ca_used = 0;
214 	TAILQ_FOREACH(temp, &node->head, rr_ll) {
215 		if (working < 0)
216 			break;
217 		/*
218 		 * printf("SUSP Entry found, length is %i\n",
219 		 * CD9660_SUSP_ENTRY_SIZE(temp));
220 		 */
221 		working -= CD9660_SUSP_ENTRY_SIZE(temp);
222 		if (working >= 0) {
223 			last = temp;
224 			susp_used += CD9660_SUSP_ENTRY_SIZE(temp);
225 		}
226 		if (working >= 28) {
227 			/*
228 			 * Remember the last entry after which we
229 			 * could insert a "CE" entry.
230 			 */
231 			pre_ce = last;
232 			susp_used_pre_ce = susp_used;
233 		}
234 	}
235 
236 	/* A CE entry is needed */
237 	if (working <= 0) {
238 		CE = cd9660node_susp_create_node(SUSP_TYPE_SUSP,
239 			SUSP_ENTRY_SUSP_CE, "CE", SUSP_LOC_ENTRY);
240 		cd9660_susp_ce(CE, node);
241 		/* This will automatically insert at the appropriate location */
242 		if (pre_ce != NULL)
243 			TAILQ_INSERT_AFTER(&node->head, pre_ce, CE, rr_ll);
244 		else
245 			TAILQ_INSERT_HEAD(&node->head, CE, rr_ll);
246 		last = CE;
247 		susp_used = susp_used_pre_ce + 28;
248 		/* Count how much CA data is necessary */
249 		for (temp = TAILQ_NEXT(last, rr_ll); temp != NULL;
250 		     temp = TAILQ_NEXT(temp, rr_ll)) {
251 			ca_used += CD9660_SUSP_ENTRY_SIZE(temp);
252 		}
253 	}
254 
255 	/* An ST entry is needed */
256 	if (node->su_tail_size > 0) {
257 		ST = cd9660node_susp_create_node(SUSP_TYPE_SUSP,
258 		    SUSP_ENTRY_SUSP_ST, "ST", SUSP_LOC_ENTRY);
259 		cd9660_susp_st(ST, node);
260 		if (last != NULL)
261 			TAILQ_INSERT_AFTER(&node->head, last, ST, rr_ll);
262 		else
263 			TAILQ_INSERT_HEAD(&node->head, ST, rr_ll);
264 		last = ST;
265 		susp_used += 4;
266 	}
267 	if (last != NULL)
268 		last->last_in_suf = 1;
269 
270 	node->susp_entry_size = susp_used;
271 	node->susp_entry_ce_length = ca_used;
272 
273 	diskStructure.susp_continuation_area_size += ca_used;
274 	return 1;
275 }
276 
277 /* See if a continuation entry is needed for each of the different types */
278 static int
279 cd9660_susp_handle_continuation(cd9660node *node)
280 {
281 	assert (node != NULL);
282 
283 	/* Entry */
284 	if (cd9660_susp_handle_continuation_common(
285 		node,(int)(node->isoDirRecord->length[0])) < 0)
286 		return 0;
287 
288 	return 1;
289 }
290 
291 int
292 cd9660_susp_initialize_node(cd9660node *node)
293 {
294 	struct ISO_SUSP_ATTRIBUTES *temp;
295 
296 	/*
297 	 * Requirements/notes:
298 	 * CE: is added for us where needed
299 	 * ST: not sure if it is even required, but if so, should be
300 	 *     handled by the CE code
301 	 * PD: isn't needed (though might be added for testing)
302 	 * SP: is stored ONLY on the . record of the root directory
303 	 * ES: not sure
304 	 */
305 
306 	/* Check for root directory, add SP and ER if needed. */
307 	if (node->type & CD9660_TYPE_DOT) {
308 		if (node->parent == diskStructure.rootNode) {
309 			temp = cd9660node_susp_create_node(SUSP_TYPE_SUSP,
310 				SUSP_ENTRY_SUSP_SP, "SP", SUSP_LOC_DOT);
311 			cd9660_susp_sp(temp, node);
312 
313 			/* Should be first entry. */
314 			TAILQ_INSERT_HEAD(&node->head, temp, rr_ll);
315 		}
316 	}
317 	return 1;
318 }
319 
320 static void
321 cd9660_rrip_initialize_inode(cd9660node *node)
322 {
323 	struct ISO_SUSP_ATTRIBUTES *attr;
324 
325 	/*
326 	 * Inode dependent values - this may change,
327 	 * but for now virtual files and directories do
328 	 * not have an inode structure
329 	 */
330 
331 	if ((node->node != NULL) && (node->node->inode != NULL)) {
332 		/* PX - POSIX attributes */
333 		attr = cd9660node_susp_create_node(SUSP_TYPE_RRIP,
334 			SUSP_ENTRY_RRIP_PX, "PX", SUSP_LOC_ENTRY);
335 		cd9660node_rrip_px(attr, node->node);
336 
337 		TAILQ_INSERT_TAIL(&node->head, attr, rr_ll);
338 
339 		/* TF - timestamp */
340 		attr = cd9660node_susp_create_node(SUSP_TYPE_RRIP,
341 			SUSP_ENTRY_RRIP_TF, "TF", SUSP_LOC_ENTRY);
342 		cd9660node_rrip_tf(attr, node->node);
343 		TAILQ_INSERT_TAIL(&node->head, attr, rr_ll);
344 
345 		/* SL - Symbolic link */
346 		/* ?????????? Dan - why is this here? */
347 		if (TAILQ_EMPTY(&node->cn_children) &&
348 		    node->node->inode != NULL &&
349 		    S_ISLNK(node->node->inode->st.st_mode))
350 			cd9660_createSL(node);
351 
352 		/* PN - device number */
353 		if (node->node->inode != NULL &&
354 		    ((S_ISCHR(node->node->inode->st.st_mode) ||
355 		     S_ISBLK(node->node->inode->st.st_mode)))) {
356 			attr =
357 			    cd9660node_susp_create_node(SUSP_TYPE_RRIP,
358 				SUSP_ENTRY_RRIP_PN, "PN",
359 				SUSP_LOC_ENTRY);
360 			cd9660node_rrip_pn(attr, node->node);
361 			TAILQ_INSERT_TAIL(&node->head, attr, rr_ll);
362 		}
363 	}
364 }
365 
366 int
367 cd9660_rrip_initialize_node(cd9660node *node, cd9660node *parent,
368     cd9660node *grandparent)
369 {
370 	struct ISO_SUSP_ATTRIBUTES *current = NULL;
371 
372 	assert(node != NULL);
373 
374 	if (node->type & CD9660_TYPE_DOT) {
375 		/*
376 		 * Handle ER - should be the only entry to appear on
377 		 * a "." record
378 		 */
379 		if (node->parent == diskStructure.rootNode) {
380 			cd9660_susp_ER(node, 1, SUSP_RRIP_ER_EXT_ID,
381 				SUSP_RRIP_ER_EXT_DES, SUSP_RRIP_ER_EXT_SRC);
382 		}
383 		if (parent != NULL && parent->node != NULL &&
384 		    parent->node->inode != NULL) {
385 			/* PX - POSIX attributes */
386 			current = cd9660node_susp_create_node(SUSP_TYPE_RRIP,
387 				SUSP_ENTRY_RRIP_PX, "PX", SUSP_LOC_ENTRY);
388 			cd9660node_rrip_px(current, parent->node);
389 			TAILQ_INSERT_TAIL(&node->head, current, rr_ll);
390 		}
391 	} else if (node->type & CD9660_TYPE_DOTDOT) {
392 		if (grandparent != NULL && grandparent->node != NULL &&
393 		    grandparent->node->inode != NULL) {
394 			/* PX - POSIX attributes */
395 			current = cd9660node_susp_create_node(SUSP_TYPE_RRIP,
396 				SUSP_ENTRY_RRIP_PX, "PX", SUSP_LOC_ENTRY);
397 			cd9660node_rrip_px(current, grandparent->node);
398 			TAILQ_INSERT_TAIL(&node->head, current, rr_ll);
399 		}
400 		/* Handle PL */
401 		if (parent != NULL && parent->rr_real_parent != NULL) {
402 			current = cd9660node_susp_create_node(SUSP_TYPE_RRIP,
403 			    SUSP_ENTRY_RRIP_PL, "PL", SUSP_LOC_DOTDOT);
404 			cd9660_rrip_PL(current,node);
405 			TAILQ_INSERT_TAIL(&node->head, current, rr_ll);
406 		}
407 	} else {
408 		cd9660_rrip_initialize_inode(node);
409 
410 		/*
411 		 * Not every node needs a NM set - only if the name is
412 		 * actually different. IE: If a file is TEST -> TEST,
413 		 * no NM. test -> TEST, need a NM
414 		 *
415 		 * The rr_moved_dir needs to be assigned a NM record as well.
416 		 */
417 		if (node == diskStructure.rr_moved_dir) {
418 			cd9660_rrip_add_NM(node, RRIP_DEFAULT_MOVE_DIR_NAME);
419 		}
420 		else if ((node->node != NULL) &&
421 			((strlen(node->node->name) !=
422 			    (uint8_t)node->isoDirRecord->name_len[0]) ||
423 			(memcmp(node->node->name,node->isoDirRecord->name,
424 				(uint8_t)node->isoDirRecord->name_len[0]) != 0))) {
425 			cd9660_rrip_NM(node);
426 		}
427 
428 
429 
430 		/* Rock ridge directory relocation code here. */
431 
432 		/* First handle the CL for the placeholder file. */
433 		if (node->rr_relocated != NULL) {
434 			current = cd9660node_susp_create_node(SUSP_TYPE_RRIP,
435 				SUSP_ENTRY_RRIP_CL, "CL", SUSP_LOC_ENTRY);
436 			cd9660_rrip_CL(current, node);
437 			TAILQ_INSERT_TAIL(&node->head, current, rr_ll);
438 		}
439 
440 		/* Handle RE*/
441 		if (node->rr_real_parent != NULL) {
442 			current = cd9660node_susp_create_node(SUSP_TYPE_RRIP,
443 				SUSP_ENTRY_RRIP_RE, "RE", SUSP_LOC_ENTRY);
444 			cd9660_rrip_RE(current,node);
445 			TAILQ_INSERT_TAIL(&node->head, current, rr_ll);
446 		}
447 	}
448 	return 1;
449 }
450 
451 struct ISO_SUSP_ATTRIBUTES*
452 cd9660node_susp_create_node(int susp_type, int entry_type, const char *type_id,
453 			    int write_loc)
454 {
455 	struct ISO_SUSP_ATTRIBUTES* temp;
456 
457 	if ((temp = malloc(sizeof(struct ISO_SUSP_ATTRIBUTES))) == NULL) {
458 		CD9660_MEM_ALLOC_ERROR("cd9660node_susp_create_node");
459 		exit(1);
460 	}
461 
462 	temp->susp_type = susp_type;
463 	temp->entry_type = entry_type;
464 	temp->last_in_suf = 0;
465 	/* Phase this out */
466 	temp->type_of[0] = type_id[0];
467 	temp->type_of[1] = type_id[1];
468 	temp->write_location = write_loc;
469 
470 	/*
471 	 * Since the first four bytes is common, lets go ahead and
472 	 * set the type identifier, since we are passing that to this
473 	 * function anyhow.
474 	 */
475 	temp->attr.su_entry.SP.h.type[0] = type_id[0];
476 	temp->attr.su_entry.SP.h.type[1] = type_id[1];
477 	return temp;
478 }
479 
480 int
481 cd9660_rrip_PL(struct ISO_SUSP_ATTRIBUTES* p, cd9660node *node __unused)
482 {
483 	p->attr.rr_entry.PL.h.length[0] = 12;
484 	p->attr.rr_entry.PL.h.version[0] = 1;
485 	return 1;
486 }
487 
488 int
489 cd9660_rrip_CL(struct ISO_SUSP_ATTRIBUTES *p, cd9660node *node __unused)
490 {
491 	p->attr.rr_entry.CL.h.length[0] = 12;
492 	p->attr.rr_entry.CL.h.version[0] = 1;
493 	return 1;
494 }
495 
496 int
497 cd9660_rrip_RE(struct ISO_SUSP_ATTRIBUTES *p, cd9660node *node __unused)
498 {
499 	p->attr.rr_entry.RE.h.length[0] = 4;
500 	p->attr.rr_entry.RE.h.version[0] = 1;
501 	return 1;
502 }
503 
504 void
505 cd9660_createSL(cd9660node *node)
506 {
507 	struct ISO_SUSP_ATTRIBUTES* current;
508 	int path_count, dir_count, done, i, j, dir_copied;
509 	char temp_cr[255];
510 	char temp_sl[255]; /* used in copying continuation entry*/
511 	char* sl_ptr;
512 
513 	sl_ptr = node->node->symlink;
514 
515 	done = 0;
516 	path_count = 0;
517 	dir_count = 0;
518 	dir_copied = 0;
519 	current = cd9660node_susp_create_node(SUSP_TYPE_RRIP,
520 	    SUSP_ENTRY_RRIP_SL, "SL", SUSP_LOC_ENTRY);
521 
522 	current->attr.rr_entry.SL.h.version[0] = 1;
523 	current->attr.rr_entry.SL.flags[0] = SL_FLAGS_NONE;
524 
525 	if (*sl_ptr == '/') {
526 		temp_cr[0] = SL_FLAGS_ROOT;
527 		temp_cr[1] = 0;
528 		memcpy(current->attr.rr_entry.SL.component + path_count,
529 		    temp_cr, 2);
530 		path_count += 2;
531 		sl_ptr++;
532 	}
533 
534 	for (i = 0; i < (dir_count + 2); i++)
535 		temp_cr[i] = '\0';
536 
537 	while (!done) {
538 		while ((*sl_ptr != '/') && (*sl_ptr != '\0')) {
539 			dir_copied = 1;
540 			if (*sl_ptr == '.') {
541 				if ((*(sl_ptr + 1) == '/') || (*(sl_ptr + 1)
542 				     == '\0')) {
543 					temp_cr[0] = SL_FLAGS_CURRENT;
544 					sl_ptr++;
545 				} else if(*(sl_ptr + 1) == '.') {
546 					if ((*(sl_ptr + 2) == '/') ||
547 					    (*(sl_ptr + 2) == '\0')) {
548 						temp_cr[0] = SL_FLAGS_PARENT;
549 						sl_ptr += 2;
550 					}
551 				} else {
552 					temp_cr[dir_count+2] = *sl_ptr;
553 					sl_ptr++;
554 					dir_count++;
555 				}
556 			} else {
557 				temp_cr[dir_count + 2] = *sl_ptr;
558 				sl_ptr++;
559 				dir_count++;
560 			}
561 		}
562 
563 		if ((path_count + dir_count) >= 249) {
564 			current->attr.rr_entry.SL.flags[0] |= SL_FLAGS_CONTINUE;
565 
566 			j = 0;
567 
568 			if (path_count <= 249) {
569 				while(j != (249 - path_count)) {
570 					temp_sl[j] = temp_cr[j];
571 					j++;
572 				}
573 				temp_sl[0] = SL_FLAGS_CONTINUE;
574 				temp_sl[1] = j - 2;
575 				memcpy(
576 				    current->attr.rr_entry.SL.component +
577 					path_count,
578 				    temp_sl, j);
579 			}
580 
581 			path_count += j;
582 			current->attr.rr_entry.SL.h.length[0] = path_count + 5;
583 			TAILQ_INSERT_TAIL(&node->head, current, rr_ll);
584 			current= cd9660node_susp_create_node(SUSP_TYPE_RRIP,
585 			       SUSP_ENTRY_RRIP_SL, "SL", SUSP_LOC_ENTRY);
586 			current->attr.rr_entry.SL.h.version[0] = 1;
587 			current->attr.rr_entry.SL.flags[0] = SL_FLAGS_NONE;
588 
589 			path_count = 0;
590 
591 			if (dir_count > 2) {
592 				while (j != dir_count + 2) {
593 					current->attr.rr_entry.SL.component[
594 					    path_count + 2] = temp_cr[j];
595 					j++;
596 					path_count++;
597 				}
598 				current->attr.rr_entry.SL.component[1]
599 				    = path_count;
600 				path_count+= 2;
601 			} else {
602 				while(j != dir_count) {
603 					current->attr.rr_entry.SL.component[
604 					    path_count+2] = temp_cr[j];
605 					j++;
606 					path_count++;
607 				}
608 			}
609 		} else {
610 			if (dir_copied == 1) {
611 				temp_cr[1] = dir_count;
612 				memcpy(current->attr.rr_entry.SL.component +
613 					path_count,
614 				    temp_cr, dir_count + 2);
615 				path_count += dir_count + 2;
616 			}
617 		}
618 
619 		if (*sl_ptr == '\0') {
620 			done = 1;
621 			current->attr.rr_entry.SL.h.length[0] = path_count + 5;
622 			TAILQ_INSERT_TAIL(&node->head, current, rr_ll);
623 		} else {
624 			sl_ptr++;
625 			dir_count = 0;
626 			dir_copied = 0;
627 			for(i = 0; i < 255; i++) {
628 				temp_cr[i] = '\0';
629 			}
630 		}
631 	}
632 }
633 
634 int
635 cd9660node_rrip_px(struct ISO_SUSP_ATTRIBUTES *v, fsnode *pxinfo)
636 {
637 	v->attr.rr_entry.PX.h.length[0] = 44;
638 	v->attr.rr_entry.PX.h.version[0] = 1;
639 	cd9660_bothendian_dword(pxinfo->inode->st.st_mode,
640 	    v->attr.rr_entry.PX.mode);
641 	cd9660_bothendian_dword(pxinfo->inode->st.st_nlink,
642 	    v->attr.rr_entry.PX.links);
643 	cd9660_bothendian_dword(pxinfo->inode->st.st_uid,
644 	    v->attr.rr_entry.PX.uid);
645 	cd9660_bothendian_dword(pxinfo->inode->st.st_gid,
646 	    v->attr.rr_entry.PX.gid);
647 	cd9660_bothendian_dword(pxinfo->inode->st.st_ino,
648 	    v->attr.rr_entry.PX.serial);
649 
650 	return 1;
651 }
652 
653 int
654 cd9660node_rrip_pn(struct ISO_SUSP_ATTRIBUTES *pn_field, fsnode *fnode)
655 {
656 	pn_field->attr.rr_entry.PN.h.length[0] = 20;
657 	pn_field->attr.rr_entry.PN.h.version[0] = 1;
658 
659 	if (sizeof (fnode->inode->st.st_rdev) > 4)
660 		cd9660_bothendian_dword(
661 		    (uint64_t)fnode->inode->st.st_rdev >> 32,
662 		    pn_field->attr.rr_entry.PN.high);
663 	else
664 		cd9660_bothendian_dword(0, pn_field->attr.rr_entry.PN.high);
665 
666 	cd9660_bothendian_dword(fnode->inode->st.st_rdev & 0xffffffff,
667 		pn_field->attr.rr_entry.PN.low);
668 	return 1;
669 }
670 
671 #if 0
672 int
673 cd9660node_rrip_nm(struct ISO_SUSP_ATTRIBUTES *p, cd9660node *file_node)
674 {
675 	int nm_length = strlen(file_node->isoDirRecord->name) + 5;
676         p->attr.rr_entry.NM.h.type[0] = 'N';
677 	p->attr.rr_entry.NM.h.type[1] = 'M';
678 	sprintf(p->attr.rr_entry.NM.altname, "%s", file_node->isoDirRecord->name);
679 	p->attr.rr_entry.NM.h.length[0] = (unsigned char)nm_length;
680 	p->attr.rr_entry.NM.h.version[0] = (unsigned char)1;
681 	p->attr.rr_entry.NM.flags[0] = (unsigned char) NM_PARENT;
682 	return 1;
683 }
684 #endif
685 
686 int
687 cd9660node_rrip_tf(struct ISO_SUSP_ATTRIBUTES *p, fsnode *_node)
688 {
689 	p->attr.rr_entry.TF.flags[0] = TF_MODIFY | TF_ACCESS | TF_ATTRIBUTES;
690 	p->attr.rr_entry.TF.h.length[0] = 5;
691 	p->attr.rr_entry.TF.h.version[0] = 1;
692 
693 	/*
694 	 * Need to add creation time, backup time,
695 	 * expiration time, and effective time.
696 	 */
697 
698 	cd9660_time_915(p->attr.rr_entry.TF.timestamp,
699 		_node->inode->st.st_atime);
700 	p->attr.rr_entry.TF.h.length[0] += 7;
701 
702 	cd9660_time_915(p->attr.rr_entry.TF.timestamp + 7,
703 		_node->inode->st.st_mtime);
704 	p->attr.rr_entry.TF.h.length[0] += 7;
705 
706 	cd9660_time_915(p->attr.rr_entry.TF.timestamp + 14,
707 		_node->inode->st.st_ctime);
708 	p->attr.rr_entry.TF.h.length[0] += 7;
709 	return 1;
710 }
711 
712 int
713 cd9660_susp_sp(struct ISO_SUSP_ATTRIBUTES *p, cd9660node *spinfo __unused)
714 {
715 	p->attr.su_entry.SP.h.length[0] = 7;
716 	p->attr.su_entry.SP.h.version[0] = 1;
717 	p->attr.su_entry.SP.check[0] = 0xBE;
718 	p->attr.su_entry.SP.check[1] = 0xEF;
719 	p->attr.su_entry.SP.len_skp[0] = 0;
720 	return 1;
721 }
722 
723 int
724 cd9660_susp_st(struct ISO_SUSP_ATTRIBUTES *p, cd9660node *stinfo __unused)
725 {
726 	p->attr.su_entry.ST.h.type[0] = 'S';
727 	p->attr.su_entry.ST.h.type[1] = 'T';
728 	p->attr.su_entry.ST.h.length[0] = 4;
729 	p->attr.su_entry.ST.h.version[0] = 1;
730 	return 1;
731 }
732 
733 int
734 cd9660_susp_ce(struct ISO_SUSP_ATTRIBUTES *p, cd9660node *spinfo __unused)
735 {
736 	p->attr.su_entry.CE.h.length[0] = 28;
737 	p->attr.su_entry.CE.h.version[0] = 1;
738 	/* Other attributes dont matter right now, will be updated later */
739 	return 1;
740 }
741 
742 int
743 cd9660_susp_pd(struct ISO_SUSP_ATTRIBUTES *p __unused, int length __unused)
744 {
745 	return 1;
746 }
747 
748 void
749 cd9660_rrip_add_NM(cd9660node *node, const char *name)
750 {
751 	int working,len;
752 	const char *p;
753 	struct ISO_SUSP_ATTRIBUTES *r;
754 
755 	/*
756 	 * Each NM record has 254 byes to work with. This means that
757 	 * the name data itself only has 249 bytes to work with. So, a
758 	 * name with 251 characters would require two nm records.
759 	 */
760 	p = name;
761 	working = 1;
762 	while (working) {
763 		r = cd9660node_susp_create_node(SUSP_TYPE_RRIP,
764 		    SUSP_ENTRY_RRIP_NM, "NM", SUSP_LOC_ENTRY);
765 		r->attr.rr_entry.NM.h.version[0] = 1;
766 		r->attr.rr_entry.NM.flags[0] = RRIP_NM_FLAGS_NONE;
767 		len = strlen(p);
768 
769 		if (len > 249) {
770 			len = 249;
771 			r->attr.rr_entry.NM.flags[0] = RRIP_NM_FLAGS_CONTINUE;
772 		} else {
773 			working = 0;
774 		}
775 		memcpy(r->attr.rr_entry.NM.altname, p, len);
776 		r->attr.rr_entry.NM.h.length[0] = 5 + len;
777 
778 		TAILQ_INSERT_TAIL(&node->head, r, rr_ll);
779 
780 		p += len;
781 	}
782 }
783 
784 void
785 cd9660_rrip_NM(cd9660node *node)
786 {
787 	cd9660_rrip_add_NM(node, node->node->name);
788 }
789 
790 struct ISO_SUSP_ATTRIBUTES*
791 cd9660_susp_ER(cd9660node *node,
792 	       u_char ext_version, const char* ext_id, const char* ext_des,
793 	       const char* ext_src)
794 {
795 	int l;
796 	struct ISO_SUSP_ATTRIBUTES *r;
797 
798 	r = cd9660node_susp_create_node(SUSP_TYPE_SUSP,
799 			SUSP_ENTRY_SUSP_ER, "ER", SUSP_LOC_DOT);
800 
801 	/* Fixed data is 8 bytes */
802 	r->attr.su_entry.ER.h.length[0] = 8;
803 	r->attr.su_entry.ER.h.version[0] = 1;
804 
805 	r->attr.su_entry.ER.len_id[0] = (u_char)strlen(ext_id);
806 	r->attr.su_entry.ER.len_des[0] = (u_char)strlen(ext_des);
807 	r->attr.su_entry.ER.len_src[0] = (u_char)strlen(ext_src);
808 
809 	l = r->attr.su_entry.ER.len_id[0] +
810 		r->attr.su_entry.ER.len_src[0] +
811 		r->attr.su_entry.ER.len_des[0];
812 
813 	/* Everything must fit. */
814 	assert(l + r->attr.su_entry.ER.h.length[0] <= 254);
815 
816 	r->attr.su_entry.ER.h.length[0] += (u_char)l;
817 
818 
819 	r->attr.su_entry.ER.ext_ver[0] = ext_version;
820 	memcpy(r->attr.su_entry.ER.ext_data, ext_id,
821 		(int)r->attr.su_entry.ER.len_id[0]);
822 	l = (int) r->attr.su_entry.ER.len_id[0];
823 	memcpy(r->attr.su_entry.ER.ext_data + l,ext_des,
824 		(int)r->attr.su_entry.ER.len_des[0]);
825 
826 	l += (int)r->attr.su_entry.ER.len_des[0];
827 	memcpy(r->attr.su_entry.ER.ext_data + l,ext_src,
828 		(int)r->attr.su_entry.ER.len_src[0]);
829 
830 	TAILQ_INSERT_TAIL(&node->head, r, rr_ll);
831 	return r;
832 }
833 
834 struct ISO_SUSP_ATTRIBUTES*
835 cd9660_susp_ES(struct ISO_SUSP_ATTRIBUTES *last __unused, cd9660node *node __unused)
836 {
837 	return NULL;
838 }
839