xref: /src/usr.sbin/makefs/cd9660/iso9660_rrip.c

/*	$NetBSD: iso9660_rrip.c,v 1.1 2005/08/13 01:53:01 fvdl Exp $	*/

/*
 * Copyright (c) 2005 Daniel Watt, Walter Deignan, Ryan Gabrys, Alan
 * Perez-Rathke and Ram Vedam.  All rights reserved.
 *
 * This code was written by Daniel Watt, Walter Deignan, Ryan Gabrys,
 * Alan Perez-Rathke and Ram Vedam.
 *
 * Redistribution and use in source and binary forms, with or
 * without modification, are permitted provided that the following
 * conditions are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above
 *    copyright notice, this list of conditions and the following
 *    disclaimer in the documentation and/or other materials provided
 *    with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY DANIEL WATT, WALTER DEIGNAN, RYAN
 * GABRYS, ALAN PEREZ-RATHKE AND RAM VEDAM ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED.  IN NO EVENT SHALL DANIEL WATT, WALTER DEIGNAN, RYAN
 * GABRYS, ALAN PEREZ-RATHKE AND RAM VEDAM BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
 * USE,DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
 * OF SUCH DAMAGE.
 */
/* This will hold all the function definitions
 * defined in iso9660_rrip.h
 */

#include "makefs.h"
#include "cd9660.h"
#include "iso9660_rrip.h"
#include <sys/queue.h>
#include <stdio.h>

#include <sys/cdefs.h>
#if defined(__RCSID) && !defined(__lint)
__RCSID("$NetBSD: iso9660_rrip.c,v 1.1 2005/08/13 01:53:01 fvdl Exp $");
#endif  /* !__lint */

static int cd9660_susp_handle_continuation(cd9660node *);
static int cd9660_susp_handle_continuation_common(cd9660node *, int);
static struct ISO_SUSP_ATTRIBUTES *cd9660_get_last_attribute(cd9660node *);

int
cd9660_susp_initialize(cd9660node *node)
{
	cd9660node *temp;
	int r;

	temp = node;

	/* Make sure the node is not NULL. If it is, there are major problems */
	assert(node != NULL);

	while (temp != NULL) {
		if (!(temp->type & CD9660_TYPE_DOT) &&
		    !(temp->type & CD9660_TYPE_DOTDOT))
			LIST_INIT(&(temp->head));
		if (temp->dot_record != 0)
			LIST_INIT(&(temp->dot_record->head));
		if (temp->dot_dot_record != 0)
			LIST_INIT(&(temp->dot_dot_record->head));

		 /* SUSP specific entries here */
		if ((r = cd9660_susp_initialize_node(temp)) < 0)
			return r;

		/* currently called cd9660node_rrip_init_links */
		if ((r = cd9660_rrip_initialize_node(temp)) < 0)
			return r;

		/*
		 * See if we need a CE record, and set all of the
		 * associated counters.
		 *
		 * This should be called after all extensions. After
		 * this is called, no new records should be added.
		 */
		if ((r = cd9660_susp_handle_continuation(temp)) < 0)
			return r;

		/* Recurse on child entries */
		if (temp->child != NULL) {
			if ((r = cd9660_susp_initialize(temp->child)) < 0)
				return 0;
		}
		temp = temp->next;
	}
	return 1;
}

int
cd9660_susp_finalize(cd9660node *node)
{
	cd9660node *temp;
	int r;

	assert(node != NULL);

	if (node == diskStructure.rootNode)
		diskStructure.susp_continuation_area_current_free = 0;

	temp = node;
	while (temp != NULL) {

		if ((r = cd9660_susp_finalize_node(temp)) < 0)
			return r;
		if ((r = cd9660_rrip_finalize_node(temp)) < 0)
			return r;

		if (temp->child != NULL) {
			if ((r = cd9660_susp_finalize(temp->child)) < 0)
				return r;
		}
		temp = temp->next;
	}
	return 1;
}

/*
 * If we really wanted to speed things up, we could have some sort of
 * lookup table on the SUSP entry type that calls a functor. Or, we could
 * combine the functions. These functions are kept separate to allow
 * easier addition of other extensions.

 * For the sake of simplicity and clarity, we won't be doing that for now.
 */

/*
 * SUSP needs to update the following types:
 * CE (continuation area)
 */
int
cd9660_susp_finalize_node(cd9660node *node)
{
	struct ISO_SUSP_ATTRIBUTES *t;

	/* Handle CE counters */
	if (node->susp_entry_ce_length > 0) {
		node->susp_entry_ce_start =
		    diskStructure.susp_continuation_area_current_free;
		diskStructure.susp_continuation_area_current_free +=
		    node->susp_entry_ce_length;
	}

	for (t = node->head.lh_first; t != NULL; t = t->rr_ll.le_next) {
		if (t->susp_type == SUSP_TYPE_SUSP &&
		    t->entry_type == SUSP_ENTRY_SUSP_CE) {
			cd9660_bothendian_dword(
				diskStructure.
				  susp_continuation_area_start_sector,
				t->attr.su_entry.CE.ca_sector);

			cd9660_bothendian_dword(
				diskStructure.
				  susp_continuation_area_start_sector,
				t->attr.su_entry.CE.ca_sector);
			cd9660_bothendian_dword(node->susp_entry_ce_start,
				t->attr.su_entry.CE.offset);
			cd9660_bothendian_dword(node->susp_entry_ce_length,
				t->attr.su_entry.CE.length);
		}
	}

	return 0;
}

int
cd9660_rrip_finalize_node(cd9660node *node)
{
	struct ISO_SUSP_ATTRIBUTES *t;

	for (t = node->head.lh_first; t != NULL; t = t->rr_ll.le_next) {
		if (t->susp_type == SUSP_TYPE_RRIP) {
			switch (t->entry_type) {
			case SUSP_ENTRY_RRIP_CL:
				/* Look at rr_relocated*/
				if (node->rr_relocated == NULL)
					return -1;
				cd9660_bothendian_dword(
					node->rr_relocated->fileDataSector,
					(unsigned char *)
					    t->attr.rr_entry.CL.dir_loc);
				break;
			case SUSP_ENTRY_RRIP_PL:
				/* Look at rr_real_parent */
				if (node->rr_real_parent == NULL)
					return -1;
				cd9660_bothendian_dword(
					node->rr_real_parent->fileDataSector,
					(unsigned char *)
					    t->attr.rr_entry.PL.dir_loc);
				break;
			}
		}
	}
	return 0;
}

static int
cd9660_susp_handle_continuation_common(cd9660node *node, int space)
{
	int working;
	struct ISO_SUSP_ATTRIBUTES *temp, *last = NULL, *CE;
	int susp_used, ca_used;

	working = 254 - space;
	/* printf("There are %i bytes to work with\n",working); */

	susp_used = 0;
	ca_used = 0;
	for (temp = node->head.lh_first; (temp != NULL) && (working >= 0);
		temp = temp->rr_ll.le_next) {
			/*
			 * printf("SUSP Entry found, length is %i\n",
			 * CD9660_SUSP_ENTRY_SIZE(temp));
			 */
			working -= CD9660_SUSP_ENTRY_SIZE(temp);
			if (working >= 28) {
				last = temp;
				susp_used += CD9660_SUSP_ENTRY_SIZE(temp);
			}
	}

	/* A CE entry is needed */
	if (working <= 0) {
		CE = cd9660node_susp_create_node(SUSP_TYPE_SUSP,
			SUSP_ENTRY_SUSP_CE, "CE", SUSP_LOC_ENTRY);
		cd9660_susp_ce(CE, node);
		/* This will automatically insert at the appropriate location */
		cd9660node_susp_add_entry(node, last, CE, 0);
		susp_used += 28;

		/* Count how much CA data is necessary */
		for (temp = CE->rr_ll.le_next; temp != NULL;
		     temp = temp->rr_ll.le_next) {
			ca_used += CD9660_SUSP_ENTRY_SIZE(temp);
		}
	}

	node->susp_entry_size = susp_used;
	node->susp_entry_ce_length = ca_used;

	diskStructure.susp_continuation_area_size += ca_used;
	return 1;
}

/* See if a continuation entry is needed for each of the different types */
static int
cd9660_susp_handle_continuation(cd9660node *node)
{
	assert (node != NULL);

	/* Entry */
	if (cd9660_susp_handle_continuation_common(
		node,(int)(node->isoDirRecord->length[0])) < 0)
		return 0;

	return 1;
}

struct ISO_SUSP_ATTRIBUTES*
cd9660node_susp_add_entry(cd9660node *node, struct ISO_SUSP_ATTRIBUTES *prev,
			  struct ISO_SUSP_ATTRIBUTES *current, int at_head)
{
	if (at_head || prev == NULL)
		LIST_INSERT_HEAD(&(node->head), current, rr_ll);
	else {
		LIST_INSERT_AFTER(prev, current, rr_ll);
		prev = current;
	}

	return current;
}

int
cd9660_susp_initialize_node(cd9660node *node)
{
	struct ISO_SUSP_ATTRIBUTES *temp;

	/*
	 * Requirements/notes:
	 * CE: is added for us where needed
	 * ST: not sure if it is even required, but if so, should be
	 *     handled by the CE code
	 * PD: isnt needed (though might be added for testing)
	 * SP: is stored ONLY on the . record of the root directory
	 * ES: not sure
	 */

	/* Check for root directory, add SP and ER if needed. */
	if (node->type & CD9660_TYPE_DOT) {
		if (node->parent == diskStructure.rootNode) {
			temp = cd9660node_susp_create_node(SUSP_TYPE_SUSP,
				SUSP_ENTRY_SUSP_SP, "SP", SUSP_LOC_DOT);
			cd9660_susp_sp(temp, node);

			/* Should be first entry. */
			temp = cd9660node_susp_add_entry(node, NULL, temp, 1);
		}
	}
	return 1;
}

/*
 * XXXfvdl use a TAILQ.
 */
static struct ISO_SUSP_ATTRIBUTES *
cd9660_get_last_attribute(cd9660node *node)
{
	struct ISO_SUSP_ATTRIBUTES *t;

	assert(node != NULL);

	t = node->head.lh_first;
	if (t == NULL)
		return NULL;
	if (t->rr_ll.le_next == NULL)
		return t;
	for (; t->rr_ll.le_next != NULL; t = t->rr_ll.le_next) ;
	return t;
}

int
cd9660_rrip_initialize_node(cd9660node *node)
{
	struct ISO_SUSP_ATTRIBUTES *current = NULL;
	struct ISO_SUSP_ATTRIBUTES *prev = NULL;

	assert(node != NULL);

	if (node->type & CD9660_TYPE_DOT) {
		/*
		 * Handle ER - should be the only entry to appear on
		 * a "." record
		 */
		if (node->parent == diskStructure.rootNode) {
			cd9660_susp_ER (cd9660_get_last_attribute(node),
				node, 1, SUSP_RRIP_ER_EXT_ID,
				SUSP_RRIP_ER_EXT_DES, SUSP_RRIP_ER_EXT_SRC);
		}
	} else if (node->type & CD9660_TYPE_DOTDOT) {

	} else {
		if (node != NULL)
			prev = cd9660_get_last_attribute(node);
			/*
			 * Inode dependent values - this may change,
			 * but for now virtual files and directories do
			 * not have an inode structure
			 */

		if ((node->node != NULL) && (node->node->inode != NULL)) {
			/* PX - POSIX attributes */
			current = cd9660node_susp_create_node(SUSP_TYPE_RRIP,
				SUSP_ENTRY_RRIP_PX, "PX", SUSP_LOC_ENTRY);
			cd9660node_rrip_px(current, node->node);

			prev = cd9660node_susp_add_entry(node, prev,
			    current, 0);

			/* TF - timestamp */
			current = cd9660node_susp_create_node(SUSP_TYPE_RRIP,
				SUSP_ENTRY_RRIP_TF, "TF", SUSP_LOC_ENTRY);
			cd9660node_rrip_tf(current, node->node);
			prev = cd9660node_susp_add_entry(node, prev,
			    current, 0);

			/* SL - Symbolic link */
			/* ?????????? Dan - why is this here? */
			if (((node->child) == NULL) &&
				(node->node->inode != NULL) &&
				(S_ISLNK(node->node->inode->st.st_mode))) {
				current =
				    cd9660node_susp_create_node(SUSP_TYPE_RRIP,
					SUSP_ENTRY_RRIP_SL, "SL",
					SUSP_LOC_ENTRY);
				prev = cd9660_createSL(prev, node);

			}

			/* PN - device number */
			if ((node->node->inode != NULL) &&
				((S_ISCHR(node->node->inode->st.st_mode) ||
				(S_ISBLK(node->node->inode->st.st_mode))))) {
				current =
				    cd9660node_susp_create_node(SUSP_TYPE_RRIP,
					SUSP_ENTRY_RRIP_PN, "PN",
				  	SUSP_LOC_ENTRY);
				cd9660node_rrip_pn(current, node->node);
				prev = cd9660node_susp_add_entry(node, prev,
				    current, 0);
			}
		}
		/*
		 * Not every node needs a NM set - only if the name is
		 * actually different. IE: If a file is TEST -> TEST,
		 * no NM. test -> TEST, need a NM
		 *
		 * The rr_moved_dir needs to be assigned a NM record as well.
		 */
		if (node == diskStructure.rr_moved_dir) {
			cd9660_rrip_add_NM(cd9660_get_last_attribute(node),node,
				RRIP_DEFAULT_MOVE_DIR_NAME);
		}
		else if ((node->node != NULL) &&
			((strlen(node->node->name) !=
			    (int)node->isoDirRecord->name_len[0]) ||
			(memcmp(node->node->name,node->isoDirRecord->name,
				(int) node->isoDirRecord->name_len[0]) != 0))) {
			cd9660_rrip_NM(cd9660_get_last_attribute(node), node);
		}



		/* Rock ridge directory relocation code here. */

		/* First handle the CL for the placeholder file. */
		if (node->rr_relocated != NULL) {
			current = cd9660node_susp_create_node(SUSP_TYPE_RRIP,
				SUSP_ENTRY_RRIP_CL, "CL", SUSP_LOC_ENTRY);
			cd9660_rrip_CL(current, node);
			prev = cd9660node_susp_add_entry(node, prev,
			    current, 0);
		}

		/* Handle RE*/
		if (node->rr_real_parent != NULL) {
			current = cd9660node_susp_create_node(SUSP_TYPE_RRIP,
				SUSP_ENTRY_RRIP_RE, "RE", SUSP_LOC_ENTRY);
			cd9660_rrip_RE(current,node);
			prev = cd9660node_susp_add_entry(node, prev,
			    current, 0);

			/* Handle PL */
			current = cd9660node_susp_create_node(SUSP_TYPE_RRIP,
				SUSP_ENTRY_RRIP_PL, "PL", SUSP_LOC_DOTDOT);
			cd9660_rrip_PL(current,node->dot_dot_record);
			cd9660node_susp_add_entry(node->dot_dot_record,
				cd9660_get_last_attribute(node->dot_dot_record),
				    current,0);
		}
	}
	return 1;
}

struct ISO_SUSP_ATTRIBUTES*
cd9660node_susp_create_node(int susp_type, int entry_type, const char *type_id,
			    int write_loc)
{
	struct ISO_SUSP_ATTRIBUTES* temp;

	if ((temp = malloc(sizeof(struct ISO_SUSP_ATTRIBUTES))) == NULL) {
		CD9660_MEM_ALLOC_ERROR("cd9660node_susp_create_node");
		exit(1);
	}

	temp->susp_type = susp_type;
	temp->entry_type = entry_type;
	/* Phase this out */
	temp->type_of[0] = type_id[0];
	temp->type_of[1] = type_id[1];
	temp->write_location = write_loc;

	/*
	 * Since the first four bytes is common, lets go ahead and
	 * set the type identifier, since we are passing that to this
	 * function anyhow.
	 */
	temp->attr.su_entry.SP.h.type[0] = type_id[0];
	temp->attr.su_entry.SP.h.type[1] = type_id[1];
	return temp;
}

int
cd9660_rrip_PL(struct ISO_SUSP_ATTRIBUTES*p, cd9660node *node)
{
	p->attr.rr_entry.PL.h.length[0] = 12;
	p->attr.rr_entry.PL.h.version[0] = 1;
	return 1;
}

int
cd9660_rrip_CL(struct ISO_SUSP_ATTRIBUTES *p, cd9660node *node)
{
	p->attr.rr_entry.CL.h.length[0] = 12;
	p->attr.rr_entry.CL.h.version[0] = 1;
	return 1;
}

int
cd9660_rrip_RE(struct ISO_SUSP_ATTRIBUTES *p, cd9660node *node)
{
	p->attr.rr_entry.RE.h.length[0] = 0;
	p->attr.rr_entry.RE.h.version[0] = 1;
	return 1;
}

struct ISO_SUSP_ATTRIBUTES *
cd9660_createSL(struct ISO_SUSP_ATTRIBUTES *prev, cd9660node *node)
{
	struct ISO_SUSP_ATTRIBUTES* current;
	struct ISO_SUSP_ATTRIBUTES* temp;
	int path_count, dir_count, done, i, j, dir_copied;
	char temp_cr[255];
	char temp_sl[255]; /* used in copying continuation entry*/
	char* sl_ptr;

	sl_ptr = node->node->symlink;

	done = 0;
	path_count = 0;
	dir_count = 0;
	dir_copied = 0;
	temp = prev;
	current = cd9660node_susp_create_node(SUSP_TYPE_RRIP,
	    SUSP_ENTRY_RRIP_SL, "SL", SUSP_LOC_ENTRY);

	current->attr.rr_entry.SL.h.version[0] = 1;
	current->attr.rr_entry.SL.flags[0] = SL_FLAGS_NONE;

	if (*sl_ptr == '/') {
		temp_cr[0] = SL_FLAGS_ROOT;
		temp_cr[1] = 0;
		memcpy(current->attr.rr_entry.SL.component + path_count,
		    temp_cr, 2);
		path_count += 2;
		sl_ptr++;
	}

	for (i = 0; i < (dir_count + 2); i++)
		temp_cr[i] = '\0';

	while (!done) {
		while ((*sl_ptr != '/') && (*sl_ptr != '\0')) {
			dir_copied = 1;
			if (*sl_ptr == '.') {
				if ((*(sl_ptr + 1) == '/') || (*(sl_ptr + 1)
				     == '\0')) {
					temp_cr[0] = SL_FLAGS_CURRENT;
					sl_ptr++;
				} else if(*(sl_ptr + 1) == '.') {
					if ((*(sl_ptr + 2) == '/') ||
					    (*(sl_ptr + 2) == '\0')) {
						temp_cr[0] = SL_FLAGS_PARENT;
						sl_ptr += 2;
					}
				} else {
					temp_cr[dir_count+2] = *sl_ptr;
					sl_ptr++;
					dir_count++;
				}
			} else {
				temp_cr[dir_count + 2] = *sl_ptr;
				sl_ptr++;
				dir_count++;
			}
		}

		if ((path_count + dir_count) >= 249) {
			current->attr.rr_entry.SL.flags[0] |= SL_FLAGS_CONTINUE;

			j = 0;

			if (path_count <= 249) {
				while(j != (249 - path_count)) {
					temp_sl[j] = temp_cr[j];
					j++;
				}
				temp_sl[0] = SL_FLAGS_CONTINUE;
				temp_sl[1] = j - 2;
				memcpy(
				    current->attr.rr_entry.SL.component +
					path_count,
				    temp_sl, j);
			}

			path_count += j;
			current->attr.rr_entry.SL.h.length[0] = path_count + 5;
			temp = cd9660node_susp_add_entry(node, temp,
			    current, 0);
			current= cd9660node_susp_create_node(SUSP_TYPE_RRIP,
			       SUSP_ENTRY_RRIP_SL, "SL", SUSP_LOC_ENTRY);
			current->attr.rr_entry.SL.h.version[0] = 1;
			current->attr.rr_entry.SL.flags[0] = SL_FLAGS_NONE;

			path_count = 0;

			if (dir_count > 2) {
				while (j != dir_count + 2) {
					current->attr.rr_entry.SL.component[
					    path_count + 2] = temp_cr[j];
					j++;
					path_count++;
				}
				current->attr.rr_entry.SL.component[1]
				    = path_count;
				path_count+= 2;
			} else {
				while(j != dir_count) {
					current->attr.rr_entry.SL.component[
					    path_count+2] = temp_cr[j];
					j++;
					path_count++;
				}
			}
		} else {
			if (dir_copied == 1) {
				temp_cr[1] = dir_count;
				memcpy(current->attr.rr_entry.SL.component +
					path_count,
				    temp_cr, dir_count + 2);
				path_count += dir_count + 2;
			}
		}

		if (*sl_ptr == '\0') {
			done = 1;
			current->attr.rr_entry.SL.h.length[0] = path_count + 5;
			temp = cd9660node_susp_add_entry(node, temp,
			    current, 0);
		} else {
			sl_ptr++;
			dir_count = 0;
			dir_copied = 0;
			for(i = 0; i < 255; i++) {
				temp_cr[i] = '\0';
			}
		}
	}

	return temp;
}

int
cd9660node_rrip_px(struct ISO_SUSP_ATTRIBUTES *v, fsnode *pxinfo)
{
	v->attr.rr_entry.PX.h.length[0] = 36;
	v->attr.rr_entry.PX.h.version[0] = 1;
	cd9660_bothendian_dword(pxinfo->inode->st.st_mode,
	    v->attr.rr_entry.PX.mode);
	cd9660_bothendian_dword(pxinfo->inode->st.st_nlink,
	    v->attr.rr_entry.PX.links);
	cd9660_bothendian_dword(pxinfo->inode->st.st_uid,
	    v->attr.rr_entry.PX.uid);
	cd9660_bothendian_dword(pxinfo->inode->st.st_gid,
	    v->attr.rr_entry.PX.gid);

	/* Ignoring the serial number for now */
	return 1;
}

int
cd9660node_rrip_pn(struct ISO_SUSP_ATTRIBUTES *pn_field, fsnode *fnode)
{
	pn_field->attr.rr_entry.PN.h.length[0] = 20;
	pn_field->attr.rr_entry.PN.h.version[0] = 1;

	if (sizeof (fnode->inode->st.st_dev) > 32)
		cd9660_bothendian_dword((uint64_t)fnode->inode->st.st_dev >> 32,
		    pn_field->attr.rr_entry.PN.high);
	else
		cd9660_bothendian_dword(0, pn_field->attr.rr_entry.PN.high);

	cd9660_bothendian_dword(fnode->inode->st.st_dev & 0xffffffff,
		pn_field->attr.rr_entry.PN.low);
	return 1;
}

#if 0
int
cd9660node_rrip_nm(struct ISO_SUSP_ATTRIBUTES *p, cd9660node *file_node)
{
	int nm_length = strlen(file_node->isoDirRecord->name) + 5;
        p->attr.rr_entry.NM.h.type[0] = 'N';
	p->attr.rr_entry.NM.h.type[1] = 'M';
	sprintf(p->attr.rr_entry.NM.altname, "%s", file_node->isoDirRecord->name);
	p->attr.rr_entry.NM.h.length[0] = (unsigned char)nm_length;
	p->attr.rr_entry.NM.h.version[0] = (unsigned char)1;
	p->attr.rr_entry.NM.flags[0] = (unsigned char) NM_PARENT;
	return 1;
}
#endif

int
cd9660node_rrip_tf(struct ISO_SUSP_ATTRIBUTES *p, fsnode *_node)
{
	p->attr.rr_entry.TF.flags[0] = TF_MODIFY | TF_ACCESS | TF_ATTRIBUTES;
	p->attr.rr_entry.TF.h.length[0] = 4;
	p->attr.rr_entry.TF.h.version[0] = 1;

	/*
	 * Need to add creation time, backup time,
	 * expiration time, and effective time.
	 */

	cd9660_time_915(p->attr.rr_entry.TF.timestamp,
		_node->inode->st.st_atime);
	p->attr.rr_entry.TF.h.length[0] += 7;

	cd9660_time_915(p->attr.rr_entry.TF.timestamp + 7,
		_node->inode->st.st_mtime);
	p->attr.rr_entry.TF.h.length[0] += 7;

	cd9660_time_915(p->attr.rr_entry.TF.timestamp + 14,
		_node->inode->st.st_ctime);
	p->attr.rr_entry.TF.h.length[0] += 7;
	return 1;
}

int
cd9660_susp_sp(struct ISO_SUSP_ATTRIBUTES *p, cd9660node *spinfo)
{
	p->attr.su_entry.SP.h.length[0] = 7;
	p->attr.su_entry.SP.h.version[0] = 1;
	p->attr.su_entry.SP.check[0] = 0xBE;
	p->attr.su_entry.SP.check[1] = 0xEF;
	p->attr.su_entry.SP.len_skp[0] = 0;
	return 1;
}

int
cd9660_susp_st(struct ISO_SUSP_ATTRIBUTES *p, cd9660node *stinfo)
{
	p->attr.su_entry.ST.h.type[0] = 'S';
	p->attr.su_entry.ST.h.type[1] = 'T';
	p->attr.su_entry.ST.h.length[0] = 4;
	p->attr.su_entry.ST.h.version[0] = 1;
	return 1;
}

int
cd9660_susp_ce(struct ISO_SUSP_ATTRIBUTES *p, cd9660node *spinfo)
{
	p->attr.su_entry.CE.h.length[0] = 28;
	p->attr.su_entry.CE.h.version[0] = 1;
	/* Other attributes dont matter right now, will be updated later */
	return 1;
}

int
cd9660_susp_pd(struct ISO_SUSP_ATTRIBUTES *p, int length)
{
	return 1;
}

struct ISO_SUSP_ATTRIBUTES*
cd9660_rrip_add_NM(struct ISO_SUSP_ATTRIBUTES *add_after, cd9660node *node,
		   const char *name)
{
	int working,len;
	const char *p;
	struct ISO_SUSP_ATTRIBUTES *r,*temp;

	/*
	 * Each NM record has 254 byes to work with. This means that
	 * the name data itself only has 249 bytes to work with. So, a
	 * name with 251 characters would require two nm records.
	 */
	p = name;
	temp = add_after;
	working = 1;
	while (working) {
		r = cd9660node_susp_create_node(SUSP_TYPE_RRIP,
		    SUSP_ENTRY_RRIP_NM, "NM", SUSP_LOC_ENTRY);
		r->attr.rr_entry.NM.h.version[0] = 1;
		r->attr.rr_entry.NM.flags[0] = RRIP_NM_FLAGS_NONE;
		len = strlen(p);

		if (len > 249) {
			len = 249;
			r->attr.rr_entry.NM.flags[0] = RRIP_NM_FLAGS_CONTINUE;
		} else {
			working = 0;
		}
		memcpy(r->attr.rr_entry.NM.altname, p, len);
		r->attr.rr_entry.NM.h.length[0] = 5 + len;

		temp = cd9660node_susp_add_entry(node, temp, r, 0);

		p += len;
	}

	return temp;
}

struct ISO_SUSP_ATTRIBUTES*
cd9660_rrip_NM(struct ISO_SUSP_ATTRIBUTES *add_after, cd9660node *node)
{
	return cd9660_rrip_add_NM(add_after, node, node->node->name);
}

struct ISO_SUSP_ATTRIBUTES*
cd9660_susp_ER(struct ISO_SUSP_ATTRIBUTES *add_after, cd9660node *node,
	       u_char ext_version, const char* ext_id, const char* ext_des,
	       const char* ext_src)
{
	int l;
	struct ISO_SUSP_ATTRIBUTES *r;

	r = cd9660node_susp_create_node(SUSP_TYPE_SUSP,
			SUSP_ENTRY_SUSP_ER, "ER", SUSP_LOC_DOT);

	/* Fixed data is 8 bytes */
	r->attr.su_entry.ER.h.length[0] = 8;
	r->attr.su_entry.ER.h.version[0] = 1;

	r->attr.su_entry.ER.len_id[0] = (u_char)strlen(ext_id);
	r->attr.su_entry.ER.len_des[0] = (u_char)strlen(ext_des);
	r->attr.su_entry.ER.len_src[0] = (u_char)strlen(ext_src);

	l = r->attr.su_entry.ER.len_id[0] +
		r->attr.su_entry.ER.len_src[0] +
		r->attr.su_entry.ER.len_des[0];

	/* Everything must fit. */
	assert(l + r->attr.su_entry.ER.h.length[0] <= 254);

	r->attr.su_entry.ER.h.length[0] += (u_char)l;


	r->attr.su_entry.ER.ext_ver[0] = ext_version;
	memcpy(r->attr.su_entry.ER.ext_data, ext_id,
		(int)r->attr.su_entry.ER.len_id[0]);
	l = (int) r->attr.su_entry.ER.len_id[0];
	memcpy(r->attr.su_entry.ER.ext_data + l,ext_des,
		(int)r->attr.su_entry.ER.len_des[0]);

	l += (int)r->attr.su_entry.ER.len_des[0];
	memcpy(r->attr.su_entry.ER.ext_data + l,ext_src,
		(int)r->attr.su_entry.ER.len_src[0]);

	return cd9660node_susp_add_entry(node, add_after, r, 0);
}

struct ISO_SUSP_ATTRIBUTES*
cd9660_susp_ES(struct ISO_SUSP_ATTRIBUTES *last, cd9660node *node)
{
	return NULL;
}