756e49c303
When I implemented my EFI support I failed to check if the upstream version of makefs in NetBSD had done the same. Override my version with theirs to make it easier to stay in sync with them in the future. Reviewed by: imp, mav Obtained from: NetBSD MFC after: 1 week Sponsored by: iXsystems, Inc. Differential Revision: https://reviews.freebsd.org/D14913
2134 lines
60 KiB
C
2134 lines
60 KiB
C
/* $NetBSD: cd9660.c,v 1.32 2011/08/23 17:09:11 christos Exp $ */
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/*-
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* SPDX-License-Identifier: BSD-2-Clause-NetBSD AND BSD-4-Clause
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*
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* Copyright (c) 2005 Daniel Watt, Walter Deignan, Ryan Gabrys, Alan
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* Perez-Rathke and Ram Vedam. All rights reserved.
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*
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* This code was written by Daniel Watt, Walter Deignan, Ryan Gabrys,
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* Alan Perez-Rathke and Ram Vedam.
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*
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* Redistribution and use in source and binary forms, with or
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* without modification, are permitted provided that the following
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* conditions are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials provided
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* with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY DANIEL WATT, WALTER DEIGNAN, RYAN
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* GABRYS, ALAN PEREZ-RATHKE AND RAM VEDAM ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL DANIEL WATT, WALTER DEIGNAN, RYAN
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* GABRYS, ALAN PEREZ-RATHKE AND RAM VEDAM BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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* USE,DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
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* OF SUCH DAMAGE.
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*/
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/*
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* Copyright (c) 2001 Wasabi Systems, Inc.
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* All rights reserved.
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*
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* Written by Luke Mewburn for Wasabi Systems, Inc.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed for the NetBSD Project by
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* Wasabi Systems, Inc.
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* 4. The name of Wasabi Systems, Inc. may not be used to endorse
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* or promote products derived from this software without specific prior
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* written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* Copyright (c) 1982, 1986, 1989, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/param.h>
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#include <sys/queue.h>
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#include <ctype.h>
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#include <stdlib.h>
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#include <string.h>
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#include <util.h>
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#include "makefs.h"
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#include "cd9660.h"
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#include "cd9660/iso9660_rrip.h"
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#include "cd9660/cd9660_archimedes.h"
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static void cd9660_finalize_PVD(iso9660_disk *);
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static cd9660node *cd9660_allocate_cd9660node(void);
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static void cd9660_set_defaults(iso9660_disk *);
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static int cd9660_arguments_set_string(const char *, const char *, int,
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char, char *);
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static void cd9660_populate_iso_dir_record(
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struct _iso_directory_record_cd9660 *, u_char, u_char, u_char,
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const char *);
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static void cd9660_setup_root_node(iso9660_disk *);
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static int cd9660_setup_volume_descriptors(iso9660_disk *);
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#if 0
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static int cd9660_fill_extended_attribute_record(cd9660node *);
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#endif
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static void cd9660_sort_nodes(cd9660node *);
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static int cd9660_translate_node_common(iso9660_disk *, cd9660node *);
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static int cd9660_translate_node(iso9660_disk *, fsnode *, cd9660node *);
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static int cd9660_compare_filename(const char *, const char *);
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static void cd9660_sorted_child_insert(cd9660node *, cd9660node *);
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static int cd9660_handle_collisions(iso9660_disk *, cd9660node *, int);
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static cd9660node *cd9660_rename_filename(iso9660_disk *, cd9660node *, int,
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int);
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static void cd9660_copy_filenames(iso9660_disk *, cd9660node *);
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static void cd9660_sorting_nodes(cd9660node *);
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static int cd9660_count_collisions(cd9660node *);
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static cd9660node *cd9660_rrip_move_directory(iso9660_disk *, cd9660node *);
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static int cd9660_add_dot_records(iso9660_disk *, cd9660node *);
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static void cd9660_convert_structure(iso9660_disk *, fsnode *, cd9660node *, int,
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int *, int *);
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static void cd9660_free_structure(cd9660node *);
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static int cd9660_generate_path_table(iso9660_disk *);
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static int cd9660_level1_convert_filename(iso9660_disk *, const char *, char *,
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int);
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static int cd9660_level2_convert_filename(iso9660_disk *, const char *, char *,
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int);
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#if 0
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static int cd9660_joliet_convert_filename(iso9660_disk *, const char *, char *,
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int);
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#endif
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static int cd9660_convert_filename(iso9660_disk *, const char *, char *, int);
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static void cd9660_populate_dot_records(iso9660_disk *, cd9660node *);
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static int64_t cd9660_compute_offsets(iso9660_disk *, cd9660node *, int64_t);
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#if 0
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static int cd9660_copy_stat_info(cd9660node *, cd9660node *, int);
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#endif
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static cd9660node *cd9660_create_virtual_entry(iso9660_disk *, const char *,
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cd9660node *, int, int);
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static cd9660node *cd9660_create_file(iso9660_disk *, const char *,
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cd9660node *, cd9660node *);
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static cd9660node *cd9660_create_directory(iso9660_disk *, const char *,
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cd9660node *, cd9660node *);
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static cd9660node *cd9660_create_special_directory(iso9660_disk *, u_char,
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cd9660node *);
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static int cd9660_add_generic_bootimage(iso9660_disk *, const char *);
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/*
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* Allocate and initialize a cd9660node
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* @returns struct cd9660node * Pointer to new node, or NULL on error
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*/
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static cd9660node *
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cd9660_allocate_cd9660node(void)
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{
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cd9660node *temp = ecalloc(1, sizeof(*temp));
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TAILQ_INIT(&temp->cn_children);
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temp->parent = temp->dot_record = temp->dot_dot_record = NULL;
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temp->ptnext = temp->ptprev = temp->ptlast = NULL;
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temp->node = NULL;
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temp->isoDirRecord = NULL;
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temp->isoExtAttributes = NULL;
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temp->rr_real_parent = temp->rr_relocated = NULL;
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temp->su_tail_data = NULL;
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return temp;
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}
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/**
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* Set default values for cd9660 extension to makefs
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*/
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static void
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cd9660_set_defaults(iso9660_disk *diskStructure)
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{
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/*Fix the sector size for now, though the spec allows for other sizes*/
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diskStructure->sectorSize = 2048;
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/* Set up defaults in our own structure */
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diskStructure->verbose_level = 0;
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diskStructure->keep_bad_images = 0;
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diskStructure->follow_sym_links = 0;
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diskStructure->isoLevel = 2;
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diskStructure->rock_ridge_enabled = 0;
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diskStructure->rock_ridge_renamed_dir_name = 0;
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diskStructure->rock_ridge_move_count = 0;
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diskStructure->rr_moved_dir = 0;
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diskStructure->archimedes_enabled = 0;
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diskStructure->chrp_boot = 0;
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diskStructure->include_padding_areas = 1;
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/* Spec breaking functionality */
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diskStructure->allow_deep_trees =
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diskStructure->allow_start_dot =
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diskStructure->allow_max_name =
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diskStructure->allow_illegal_chars =
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diskStructure->allow_lowercase =
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diskStructure->allow_multidot =
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diskStructure->omit_trailing_period = 0;
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/* Make sure the PVD is clear */
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memset(&diskStructure->primaryDescriptor, 0, 2048);
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memset(diskStructure->primaryDescriptor.publisher_id, 0x20,128);
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memset(diskStructure->primaryDescriptor.preparer_id, 0x20,128);
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memset(diskStructure->primaryDescriptor.application_id, 0x20,128);
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memset(diskStructure->primaryDescriptor.copyright_file_id, 0x20,37);
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memset(diskStructure->primaryDescriptor.abstract_file_id, 0x20,37);
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memset(diskStructure->primaryDescriptor.bibliographic_file_id, 0x20,37);
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strcpy(diskStructure->primaryDescriptor.system_id, "FreeBSD");
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/* Boot support: Initially disabled */
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diskStructure->has_generic_bootimage = 0;
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diskStructure->generic_bootimage = NULL;
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diskStructure->boot_image_directory = 0;
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/*memset(diskStructure->boot_descriptor, 0, 2048);*/
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diskStructure->is_bootable = 0;
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TAILQ_INIT(&diskStructure->boot_images);
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LIST_INIT(&diskStructure->boot_entries);
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}
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void
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cd9660_prep_opts(fsinfo_t *fsopts)
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{
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iso9660_disk *diskStructure = ecalloc(1, sizeof(*diskStructure));
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#define OPT_STR(letter, name, desc) \
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{ letter, name, NULL, OPT_STRBUF, 0, 0, desc }
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#define OPT_NUM(letter, name, field, min, max, desc) \
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{ letter, name, &diskStructure->field, \
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sizeof(diskStructure->field) == 8 ? OPT_INT64 : \
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(sizeof(diskStructure->field) == 4 ? OPT_INT32 : \
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(sizeof(diskStructure->field) == 2 ? OPT_INT16 : OPT_INT8)), \
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min, max, desc }
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#define OPT_BOOL(letter, name, field, desc) \
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OPT_NUM(letter, name, field, 0, 1, desc)
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const option_t cd9660_options[] = {
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OPT_NUM('l', "isolevel", isoLevel,
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1, 2, "ISO Level"),
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OPT_NUM('v', "verbose", verbose_level,
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0, 2, "Turns on verbose output"),
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OPT_BOOL('h', "help", displayHelp,
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"Show help message"),
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OPT_BOOL('S', "follow-symlinks", follow_sym_links,
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"Resolve symlinks in pathnames"),
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OPT_BOOL('R', "rockridge", rock_ridge_enabled,
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"Enable Rock-Ridge extensions"),
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OPT_BOOL('C', "chrp-boot", chrp_boot,
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"Enable CHRP boot"),
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OPT_BOOL('K', "keep-bad-images", keep_bad_images,
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"Keep bad images"),
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OPT_BOOL('D', "allow-deep-trees", allow_deep_trees,
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"Allow trees more than 8 levels"),
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OPT_BOOL('a', "allow-max-name", allow_max_name,
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"Allow 37 char filenames (unimplemented)"),
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OPT_BOOL('i', "allow-illegal-chars", allow_illegal_chars,
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"Allow illegal characters in filenames"),
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OPT_BOOL('m', "allow-multidot", allow_multidot,
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"Allow multiple periods in filenames"),
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OPT_BOOL('o', "omit-trailing-period", omit_trailing_period,
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"Omit trailing periods in filenames"),
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OPT_BOOL('\0', "allow-lowercase", allow_lowercase,
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"Allow lowercase characters in filenames"),
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OPT_BOOL('\0', "archimedes", archimedes_enabled,
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"Enable Archimedes structure"),
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OPT_BOOL('\0', "no-trailing-padding", include_padding_areas,
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"Include padding areas"),
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OPT_STR('A', "applicationid", "Application Identifier"),
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OPT_STR('P', "publisher", "Publisher Identifier"),
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OPT_STR('p', "preparer", "Preparer Identifier"),
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OPT_STR('L', "label", "Disk Label"),
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OPT_STR('V', "volumeid", "Volume Set Identifier"),
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OPT_STR('B', "bootimage", "Boot image parameter"),
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OPT_STR('G', "generic-bootimage", "Generic boot image param"),
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OPT_STR('\0', "bootimagedir", "Boot image directory"),
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OPT_STR('\0', "no-emul-boot", "No boot emulation"),
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OPT_STR('\0', "no-boot", "No boot support"),
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OPT_STR('\0', "hard-disk-boot", "Boot from hard disk"),
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OPT_STR('\0', "boot-load-segment", "Boot load segment"),
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OPT_STR('\0', "platformid", "Section Header Platform ID"),
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{ .name = NULL }
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};
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fsopts->fs_specific = diskStructure;
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fsopts->fs_options = copy_opts(cd9660_options);
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cd9660_set_defaults(diskStructure);
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}
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void
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cd9660_cleanup_opts(fsinfo_t *fsopts)
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{
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free(fsopts->fs_specific);
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free(fsopts->fs_options);
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}
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static int
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cd9660_arguments_set_string(const char *val, const char *fieldtitle, int length,
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char testmode, char * dest)
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{
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int len, test;
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if (val == NULL)
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warnx("error: The %s requires a string argument", fieldtitle);
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else if ((len = strlen(val)) <= length) {
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if (testmode == 'd')
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test = cd9660_valid_d_chars(val);
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else
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test = cd9660_valid_a_chars(val);
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if (test) {
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memcpy(dest, val, len);
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if (test == 2)
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cd9660_uppercase_characters(dest, len);
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return 1;
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} else
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warnx("error: The %s must be composed of "
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"%c-characters", fieldtitle, testmode);
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} else
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warnx("error: The %s must be at most 32 characters long",
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fieldtitle);
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return 0;
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}
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/*
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* Command-line parsing function
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*/
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int
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cd9660_parse_opts(const char *option, fsinfo_t *fsopts)
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{
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int rv, i;
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iso9660_disk *diskStructure = fsopts->fs_specific;
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option_t *cd9660_options = fsopts->fs_options;
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char buf[1024];
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const char *name, *desc;
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assert(option != NULL);
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if (debug & DEBUG_FS_PARSE_OPTS)
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printf("%s: got `%s'\n", __func__, option);
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i = set_option(cd9660_options, option, buf, sizeof(buf));
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if (i == -1)
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return 0;
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if (cd9660_options[i].name == NULL)
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abort();
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name = cd9660_options[i].name;
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desc = cd9660_options[i].desc;
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switch (cd9660_options[i].letter) {
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case 'h':
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case 'S':
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rv = 0; /* this is not handled yet */
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break;
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case 'L':
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rv = cd9660_arguments_set_string(buf, desc, 32, 'd',
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diskStructure->primaryDescriptor.volume_id);
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break;
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case 'A':
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rv = cd9660_arguments_set_string(buf, desc, 128, 'a',
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diskStructure->primaryDescriptor.application_id);
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break;
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case 'P':
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rv = cd9660_arguments_set_string(buf, desc, 128, 'a',
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diskStructure->primaryDescriptor.publisher_id);
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break;
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case 'p':
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rv = cd9660_arguments_set_string(buf, desc, 128, 'a',
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diskStructure->primaryDescriptor.preparer_id);
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break;
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case 'V':
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rv = cd9660_arguments_set_string(buf, desc, 128, 'a',
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diskStructure->primaryDescriptor.volume_set_id);
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break;
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/* Boot options */
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case 'B':
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if (buf[0] == '\0') {
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warnx("The Boot Image parameter requires a valid boot"
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"information string");
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rv = 0;
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} else
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rv = cd9660_add_boot_disk(diskStructure, buf);
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break;
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case 'G':
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if (buf[0] == '\0') {
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warnx("The Generic Boot Image parameter requires a"
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" valid boot information string");
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rv = 0;
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} else
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rv = cd9660_add_generic_bootimage(diskStructure, buf);
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break;
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default:
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if (strcmp(name, "bootimagedir") == 0) {
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/*
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* XXXfvdl this is unused.
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*/
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if (buf[0] == '\0') {
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warnx("The Boot Image Directory parameter"
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" requires a directory name");
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rv = 0;
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} else {
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diskStructure->boot_image_directory =
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emalloc(strlen(buf) + 1);
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/* BIG TODO: Add the max length function here */
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rv = cd9660_arguments_set_string(buf, desc, 12,
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'd', diskStructure->boot_image_directory);
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}
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} else if (strcmp(name, "no-emul-boot") == 0 ||
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strcmp(name, "no-boot") == 0 ||
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strcmp(name, "hard-disk-boot") == 0) {
|
|
/* RRIP */
|
|
cd9660_eltorito_add_boot_option(diskStructure, name, 0);
|
|
rv = 1;
|
|
} else if (strcmp(name, "boot-load-segment") == 0 ||
|
|
strcmp(name, "platformid") == 0) {
|
|
if (buf[0] == '\0') {
|
|
warnx("Option `%s' doesn't contain a value",
|
|
name);
|
|
rv = 0;
|
|
} else {
|
|
cd9660_eltorito_add_boot_option(diskStructure,
|
|
name, buf);
|
|
rv = 1;
|
|
}
|
|
} else
|
|
rv = 1;
|
|
}
|
|
return rv;
|
|
}
|
|
|
|
/*
|
|
* Main function for cd9660_makefs
|
|
* Builds the ISO image file
|
|
* @param const char *image The image filename to create
|
|
* @param const char *dir The directory that is being read
|
|
* @param struct fsnode *root The root node of the filesystem tree
|
|
* @param struct fsinfo_t *fsopts Any options
|
|
*/
|
|
void
|
|
cd9660_makefs(const char *image, const char *dir, fsnode *root,
|
|
fsinfo_t *fsopts)
|
|
{
|
|
int64_t startoffset;
|
|
int numDirectories;
|
|
uint64_t pathTableSectors;
|
|
int64_t firstAvailableSector;
|
|
int64_t totalSpace;
|
|
int error;
|
|
cd9660node *real_root;
|
|
iso9660_disk *diskStructure = fsopts->fs_specific;
|
|
|
|
if (diskStructure->verbose_level > 0)
|
|
printf("%s: ISO level is %i\n", __func__,
|
|
diskStructure->isoLevel);
|
|
if (diskStructure->isoLevel < 2 &&
|
|
diskStructure->allow_multidot)
|
|
errx(EXIT_FAILURE, "allow-multidot requires iso level of 2");
|
|
|
|
assert(image != NULL);
|
|
assert(dir != NULL);
|
|
assert(root != NULL);
|
|
|
|
if (diskStructure->displayHelp) {
|
|
/*
|
|
* Display help here - probably want to put it in
|
|
* a separate function
|
|
*/
|
|
return;
|
|
}
|
|
|
|
if (diskStructure->verbose_level > 0)
|
|
printf("%s: image %s directory %s root %p\n", __func__,
|
|
image, dir, root);
|
|
|
|
/* Set up some constants. Later, these will be defined with options */
|
|
|
|
/* Counter needed for path tables */
|
|
numDirectories = 0;
|
|
|
|
/* Convert tree to our own format */
|
|
/* Actually, we now need to add the REAL root node, at level 0 */
|
|
|
|
real_root = cd9660_allocate_cd9660node();
|
|
real_root->isoDirRecord = emalloc(sizeof(*real_root->isoDirRecord));
|
|
/* Leave filename blank for root */
|
|
memset(real_root->isoDirRecord->name, 0,
|
|
ISO_FILENAME_MAXLENGTH_WITH_PADDING);
|
|
|
|
real_root->level = 0;
|
|
diskStructure->rootNode = real_root;
|
|
real_root->type = CD9660_TYPE_DIR;
|
|
error = 0;
|
|
real_root->node = root;
|
|
cd9660_convert_structure(diskStructure, root, real_root, 1,
|
|
&numDirectories, &error);
|
|
|
|
if (TAILQ_EMPTY(&real_root->cn_children)) {
|
|
errx(EXIT_FAILURE, "%s: converted directory is empty. "
|
|
"Tree conversion failed", __func__);
|
|
} else if (error != 0) {
|
|
errx(EXIT_FAILURE, "%s: tree conversion failed", __func__);
|
|
} else {
|
|
if (diskStructure->verbose_level > 0)
|
|
printf("%s: tree converted\n", __func__);
|
|
}
|
|
|
|
/* Add the dot and dot dot records */
|
|
cd9660_add_dot_records(diskStructure, real_root);
|
|
|
|
cd9660_setup_root_node(diskStructure);
|
|
|
|
if (diskStructure->verbose_level > 0)
|
|
printf("%s: done converting tree\n", __func__);
|
|
|
|
/* non-SUSP extensions */
|
|
if (diskStructure->archimedes_enabled)
|
|
archimedes_convert_tree(diskStructure->rootNode);
|
|
|
|
/* Rock ridge / SUSP init pass */
|
|
if (diskStructure->rock_ridge_enabled) {
|
|
cd9660_susp_initialize(diskStructure, diskStructure->rootNode,
|
|
diskStructure->rootNode, NULL);
|
|
}
|
|
|
|
/* Build path table structure */
|
|
diskStructure->pathTableLength = cd9660_generate_path_table(
|
|
diskStructure);
|
|
|
|
pathTableSectors = CD9660_BLOCKS(diskStructure->sectorSize,
|
|
diskStructure->pathTableLength);
|
|
|
|
firstAvailableSector = cd9660_setup_volume_descriptors(diskStructure);
|
|
if (diskStructure->is_bootable) {
|
|
firstAvailableSector = cd9660_setup_boot(diskStructure,
|
|
firstAvailableSector);
|
|
if (firstAvailableSector < 0)
|
|
errx(EXIT_FAILURE, "setup_boot failed");
|
|
}
|
|
/* LE first, then BE */
|
|
diskStructure->primaryLittleEndianTableSector = firstAvailableSector;
|
|
diskStructure->primaryBigEndianTableSector =
|
|
diskStructure->primaryLittleEndianTableSector + pathTableSectors;
|
|
|
|
/* Set the secondary ones to -1, not going to use them for now */
|
|
diskStructure->secondaryBigEndianTableSector = -1;
|
|
diskStructure->secondaryLittleEndianTableSector = -1;
|
|
|
|
diskStructure->dataFirstSector =
|
|
diskStructure->primaryBigEndianTableSector + pathTableSectors;
|
|
if (diskStructure->verbose_level > 0)
|
|
printf("%s: Path table conversion complete. "
|
|
"Each table is %i bytes, or %" PRIu64 " sectors.\n",
|
|
__func__,
|
|
diskStructure->pathTableLength, pathTableSectors);
|
|
|
|
startoffset = diskStructure->sectorSize*diskStructure->dataFirstSector;
|
|
|
|
totalSpace = cd9660_compute_offsets(diskStructure, real_root, startoffset);
|
|
|
|
diskStructure->totalSectors = diskStructure->dataFirstSector +
|
|
CD9660_BLOCKS(diskStructure->sectorSize, totalSpace);
|
|
|
|
/* Disabled until pass 1 is done */
|
|
if (diskStructure->rock_ridge_enabled) {
|
|
diskStructure->susp_continuation_area_start_sector =
|
|
diskStructure->totalSectors;
|
|
diskStructure->totalSectors +=
|
|
CD9660_BLOCKS(diskStructure->sectorSize,
|
|
diskStructure->susp_continuation_area_size);
|
|
cd9660_susp_finalize(diskStructure, diskStructure->rootNode);
|
|
}
|
|
|
|
|
|
cd9660_finalize_PVD(diskStructure);
|
|
|
|
/* Add padding sectors, just for testing purposes right now */
|
|
/* diskStructure->totalSectors+=150; */
|
|
|
|
/* Debugging output */
|
|
if (diskStructure->verbose_level > 0) {
|
|
printf("%s: Sectors 0-15 reserved\n", __func__);
|
|
printf("%s: Primary path tables starts in sector %"
|
|
PRId64 "\n", __func__,
|
|
diskStructure->primaryLittleEndianTableSector);
|
|
printf("%s: File data starts in sector %"
|
|
PRId64 "\n", __func__, diskStructure->dataFirstSector);
|
|
printf("%s: Total sectors: %"
|
|
PRId64 "\n", __func__, diskStructure->totalSectors);
|
|
}
|
|
|
|
/*
|
|
* Add padding sectors at the end
|
|
* TODO: Clean this up and separate padding
|
|
*/
|
|
if (diskStructure->include_padding_areas)
|
|
diskStructure->totalSectors += 150;
|
|
|
|
cd9660_write_image(diskStructure, image);
|
|
|
|
if (diskStructure->verbose_level > 1) {
|
|
debug_print_volume_descriptor_information(diskStructure);
|
|
debug_print_tree(diskStructure, real_root, 0);
|
|
debug_print_path_tree(real_root);
|
|
}
|
|
|
|
/* Clean up data structures */
|
|
cd9660_free_structure(real_root);
|
|
|
|
if (diskStructure->verbose_level > 0)
|
|
printf("%s: done\n", __func__);
|
|
}
|
|
|
|
/* Generic function pointer - implement later */
|
|
typedef int (*cd9660node_func)(cd9660node *);
|
|
|
|
static void
|
|
cd9660_finalize_PVD(iso9660_disk *diskStructure)
|
|
{
|
|
time_t tstamp = stampst.st_ino ? stampst.st_mtime : time(NULL);
|
|
|
|
/* root should be a fixed size of 34 bytes since it has no name */
|
|
memcpy(diskStructure->primaryDescriptor.root_directory_record,
|
|
diskStructure->rootNode->dot_record->isoDirRecord, 34);
|
|
|
|
/* In RRIP, this might be longer than 34 */
|
|
diskStructure->primaryDescriptor.root_directory_record[0] = 34;
|
|
|
|
/* Set up all the important numbers in the PVD */
|
|
cd9660_bothendian_dword(diskStructure->totalSectors,
|
|
(unsigned char *)diskStructure->primaryDescriptor.volume_space_size);
|
|
cd9660_bothendian_word(1,
|
|
(unsigned char *)diskStructure->primaryDescriptor.volume_set_size);
|
|
cd9660_bothendian_word(1,
|
|
(unsigned char *)
|
|
diskStructure->primaryDescriptor.volume_sequence_number);
|
|
cd9660_bothendian_word(diskStructure->sectorSize,
|
|
(unsigned char *)
|
|
diskStructure->primaryDescriptor.logical_block_size);
|
|
cd9660_bothendian_dword(diskStructure->pathTableLength,
|
|
(unsigned char *)diskStructure->primaryDescriptor.path_table_size);
|
|
|
|
cd9660_731(diskStructure->primaryLittleEndianTableSector,
|
|
(u_char *)diskStructure->primaryDescriptor.type_l_path_table);
|
|
cd9660_732(diskStructure->primaryBigEndianTableSector,
|
|
(u_char *)diskStructure->primaryDescriptor.type_m_path_table);
|
|
|
|
diskStructure->primaryDescriptor.file_structure_version[0] = 1;
|
|
|
|
/* Pad all strings with spaces instead of nulls */
|
|
cd9660_pad_string_spaces(diskStructure->primaryDescriptor.volume_id, 32);
|
|
cd9660_pad_string_spaces(diskStructure->primaryDescriptor.system_id, 32);
|
|
cd9660_pad_string_spaces(diskStructure->primaryDescriptor.volume_set_id,
|
|
128);
|
|
cd9660_pad_string_spaces(diskStructure->primaryDescriptor.publisher_id,
|
|
128);
|
|
cd9660_pad_string_spaces(diskStructure->primaryDescriptor.preparer_id,
|
|
128);
|
|
cd9660_pad_string_spaces(diskStructure->primaryDescriptor.application_id,
|
|
128);
|
|
cd9660_pad_string_spaces(
|
|
diskStructure->primaryDescriptor.copyright_file_id, 37);
|
|
cd9660_pad_string_spaces(
|
|
diskStructure->primaryDescriptor.abstract_file_id, 37);
|
|
cd9660_pad_string_spaces(
|
|
diskStructure->primaryDescriptor.bibliographic_file_id, 37);
|
|
|
|
/* Setup dates */
|
|
cd9660_time_8426(
|
|
(unsigned char *)diskStructure->primaryDescriptor.creation_date,
|
|
tstamp);
|
|
cd9660_time_8426(
|
|
(unsigned char *)diskStructure->primaryDescriptor.modification_date,
|
|
tstamp);
|
|
|
|
#if 0
|
|
cd9660_set_date(diskStructure->primaryDescriptor.expiration_date,
|
|
tstamp);
|
|
#endif
|
|
|
|
memset(diskStructure->primaryDescriptor.expiration_date, '0', 16);
|
|
diskStructure->primaryDescriptor.expiration_date[16] = 0;
|
|
|
|
cd9660_time_8426(
|
|
(unsigned char *)diskStructure->primaryDescriptor.effective_date,
|
|
tstamp);
|
|
/* make this sane */
|
|
cd9660_time_915(diskStructure->rootNode->dot_record->isoDirRecord->date,
|
|
tstamp);
|
|
}
|
|
|
|
static void
|
|
cd9660_populate_iso_dir_record(struct _iso_directory_record_cd9660 *record,
|
|
u_char ext_attr_length, u_char flags,
|
|
u_char name_len, const char * name)
|
|
{
|
|
record->ext_attr_length[0] = ext_attr_length;
|
|
record->flags[0] = ISO_FLAG_CLEAR | flags;
|
|
record->file_unit_size[0] = 0;
|
|
record->interleave[0] = 0;
|
|
cd9660_bothendian_word(1, record->volume_sequence_number);
|
|
record->name_len[0] = name_len;
|
|
memset(record->name, '\0', sizeof (record->name));
|
|
memcpy(record->name, name, name_len);
|
|
record->length[0] = 33 + name_len;
|
|
|
|
/* Todo : better rounding */
|
|
record->length[0] += (record->length[0] & 1) ? 1 : 0;
|
|
}
|
|
|
|
static void
|
|
cd9660_setup_root_node(iso9660_disk *diskStructure)
|
|
{
|
|
cd9660_populate_iso_dir_record(diskStructure->rootNode->isoDirRecord,
|
|
0, ISO_FLAG_DIRECTORY, 1, "\0");
|
|
|
|
}
|
|
|
|
/*********** SUPPORT FUNCTIONS ***********/
|
|
static int
|
|
cd9660_setup_volume_descriptors(iso9660_disk *diskStructure)
|
|
{
|
|
/* Boot volume descriptor should come second */
|
|
int sector = 16;
|
|
/* For now, a fixed 2 : PVD and terminator */
|
|
volume_descriptor *temp, *t;
|
|
|
|
/* Set up the PVD */
|
|
temp = emalloc(sizeof(*temp));
|
|
temp->volumeDescriptorData =
|
|
(unsigned char *)&diskStructure->primaryDescriptor;
|
|
temp->volumeDescriptorData[0] = ISO_VOLUME_DESCRIPTOR_PVD;
|
|
temp->volumeDescriptorData[6] = 1;
|
|
temp->sector = sector;
|
|
memcpy(temp->volumeDescriptorData + 1,
|
|
ISO_VOLUME_DESCRIPTOR_STANDARD_ID, 5);
|
|
diskStructure->firstVolumeDescriptor = temp;
|
|
|
|
sector++;
|
|
/* Set up boot support if enabled. BVD must reside in sector 17 */
|
|
if (diskStructure->is_bootable) {
|
|
t = emalloc(sizeof(*t));
|
|
t->volumeDescriptorData = ecalloc(1, 2048);
|
|
temp->next = t;
|
|
temp = t;
|
|
t->sector = 17;
|
|
if (diskStructure->verbose_level > 0)
|
|
printf("Setting up boot volume descriptor\n");
|
|
cd9660_setup_boot_volume_descriptor(diskStructure, t);
|
|
sector++;
|
|
}
|
|
|
|
/* Set up the terminator */
|
|
t = emalloc(sizeof(*t));
|
|
t->volumeDescriptorData = ecalloc(1, 2048);
|
|
temp->next = t;
|
|
t->volumeDescriptorData[0] = ISO_VOLUME_DESCRIPTOR_TERMINATOR;
|
|
t->next = NULL;
|
|
t->volumeDescriptorData[6] = 1;
|
|
t->sector = sector;
|
|
memcpy(t->volumeDescriptorData + 1,
|
|
ISO_VOLUME_DESCRIPTOR_STANDARD_ID, 5);
|
|
|
|
sector++;
|
|
return sector;
|
|
}
|
|
|
|
#if 0
|
|
/*
|
|
* Populate EAR at some point. Not required, but is used by NetBSD's
|
|
* cd9660 support
|
|
*/
|
|
static int
|
|
cd9660_fill_extended_attribute_record(cd9660node *node)
|
|
{
|
|
node->isoExtAttributes = emalloc(sizeof(*node->isoExtAttributes));
|
|
return 1;
|
|
}
|
|
#endif
|
|
|
|
static int
|
|
cd9660_translate_node_common(iso9660_disk *diskStructure, cd9660node *newnode)
|
|
{
|
|
time_t tstamp = stampst.st_ino ? stampst.st_mtime : time(NULL);
|
|
u_char flag;
|
|
char temp[ISO_FILENAME_MAXLENGTH_WITH_PADDING];
|
|
|
|
/* Now populate the isoDirRecord structure */
|
|
memset(temp, 0, ISO_FILENAME_MAXLENGTH_WITH_PADDING);
|
|
|
|
(void)cd9660_convert_filename(diskStructure, newnode->node->name,
|
|
temp, !(S_ISDIR(newnode->node->type)));
|
|
|
|
flag = ISO_FLAG_CLEAR;
|
|
if (S_ISDIR(newnode->node->type))
|
|
flag |= ISO_FLAG_DIRECTORY;
|
|
|
|
cd9660_populate_iso_dir_record(newnode->isoDirRecord, 0,
|
|
flag, strlen(temp), temp);
|
|
|
|
/* Set the various dates */
|
|
|
|
/* If we want to use the current date and time */
|
|
|
|
cd9660_time_915(newnode->isoDirRecord->date, tstamp);
|
|
|
|
cd9660_bothendian_dword(newnode->fileDataLength,
|
|
newnode->isoDirRecord->size);
|
|
/* If the file is a link, we want to set the size to 0 */
|
|
if (S_ISLNK(newnode->node->type))
|
|
newnode->fileDataLength = 0;
|
|
|
|
return 1;
|
|
}
|
|
|
|
/*
|
|
* Translate fsnode to cd9660node
|
|
* Translate filenames and other metadata, including dates, sizes,
|
|
* permissions, etc
|
|
* @param struct fsnode * The node generated by makefs
|
|
* @param struct cd9660node * The intermediate node to be written to
|
|
* @returns int 0 on failure, 1 on success
|
|
*/
|
|
static int
|
|
cd9660_translate_node(iso9660_disk *diskStructure, fsnode *node,
|
|
cd9660node *newnode)
|
|
{
|
|
if (node == NULL) {
|
|
if (diskStructure->verbose_level > 0)
|
|
printf("%s: NULL node passed, returning\n", __func__);
|
|
return 0;
|
|
}
|
|
newnode->isoDirRecord = emalloc(sizeof(*newnode->isoDirRecord));
|
|
/* Set the node pointer */
|
|
newnode->node = node;
|
|
|
|
/* Set the size */
|
|
if (!(S_ISDIR(node->type)))
|
|
newnode->fileDataLength = node->inode->st.st_size;
|
|
|
|
if (cd9660_translate_node_common(diskStructure, newnode) == 0)
|
|
return 0;
|
|
|
|
/* Finally, overwrite some of the values that are set by default */
|
|
cd9660_time_915(newnode->isoDirRecord->date,
|
|
stampst.st_ino ? stampst.st_mtime : node->inode->st.st_mtime);
|
|
|
|
return 1;
|
|
}
|
|
|
|
/*
|
|
* Compares two ISO filenames
|
|
* @param const char * The first file name
|
|
* @param const char * The second file name
|
|
* @returns : -1 if first is less than second, 0 if they are the same, 1 if
|
|
* the second is greater than the first
|
|
*/
|
|
static int
|
|
cd9660_compare_filename(const char *first, const char *second)
|
|
{
|
|
/*
|
|
* This can be made more optimal once it has been tested
|
|
* (the extra character, for example, is for testing)
|
|
*/
|
|
|
|
int p1 = 0;
|
|
int p2 = 0;
|
|
char c1, c2;
|
|
/* First, on the filename */
|
|
|
|
while (p1 < ISO_FILENAME_MAXLENGTH_BEFORE_VERSION-1
|
|
&& p2 < ISO_FILENAME_MAXLENGTH_BEFORE_VERSION-1) {
|
|
c1 = first[p1];
|
|
c2 = second[p2];
|
|
if (c1 == '.' && c2 =='.')
|
|
break;
|
|
else if (c1 == '.') {
|
|
p2++;
|
|
c1 = ' ';
|
|
} else if (c2 == '.') {
|
|
p1++;
|
|
c2 = ' ';
|
|
} else {
|
|
p1++;
|
|
p2++;
|
|
}
|
|
|
|
if (c1 < c2)
|
|
return -1;
|
|
else if (c1 > c2) {
|
|
return 1;
|
|
}
|
|
}
|
|
|
|
if (first[p1] == '.' && second[p2] == '.') {
|
|
p1++;
|
|
p2++;
|
|
while (p1 < ISO_FILENAME_MAXLENGTH_BEFORE_VERSION - 1
|
|
&& p2 < ISO_FILENAME_MAXLENGTH_BEFORE_VERSION - 1) {
|
|
c1 = first[p1];
|
|
c2 = second[p2];
|
|
if (c1 == ';' && c2 == ';')
|
|
break;
|
|
else if (c1 == ';') {
|
|
p2++;
|
|
c1 = ' ';
|
|
} else if (c2 == ';') {
|
|
p1++;
|
|
c2 = ' ';
|
|
} else {
|
|
p1++;
|
|
p2++;
|
|
}
|
|
|
|
if (c1 < c2)
|
|
return -1;
|
|
else if (c1 > c2)
|
|
return 1;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* Insert a node into list with ISO sorting rules
|
|
* @param cd9660node * The head node of the list
|
|
* @param cd9660node * The node to be inserted
|
|
*/
|
|
static void
|
|
cd9660_sorted_child_insert(cd9660node *parent, cd9660node *cn_new)
|
|
{
|
|
int compare;
|
|
cd9660node *cn;
|
|
struct cd9660_children_head *head = &parent->cn_children;
|
|
|
|
/* TODO: Optimize? */
|
|
cn_new->parent = parent;
|
|
|
|
/*
|
|
* first will either be 0, the . or the ..
|
|
* if . or .., this means no other entry may be written before first
|
|
* if 0, the new node may be inserted at the head
|
|
*/
|
|
|
|
TAILQ_FOREACH(cn, head, cn_next_child) {
|
|
/*
|
|
* Dont insert a node twice -
|
|
* that would cause an infinite loop
|
|
*/
|
|
if (cn_new == cn)
|
|
return;
|
|
|
|
compare = cd9660_compare_filename(cn_new->isoDirRecord->name,
|
|
cn->isoDirRecord->name);
|
|
|
|
if (compare == 0)
|
|
compare = cd9660_compare_filename(cn_new->node->name,
|
|
cn->node->name);
|
|
|
|
if (compare < 0)
|
|
break;
|
|
}
|
|
if (cn == NULL)
|
|
TAILQ_INSERT_TAIL(head, cn_new, cn_next_child);
|
|
else
|
|
TAILQ_INSERT_BEFORE(cn, cn_new, cn_next_child);
|
|
}
|
|
|
|
/*
|
|
* Called After cd9660_sorted_child_insert
|
|
* handles file collisions by suffixing each filname with ~n
|
|
* where n represents the files respective place in the ordering
|
|
*/
|
|
static int
|
|
cd9660_handle_collisions(iso9660_disk *diskStructure, cd9660node *colliding,
|
|
int past)
|
|
{
|
|
cd9660node *iter, *next, *prev;
|
|
int skip;
|
|
int delete_chars = 0;
|
|
int temp_past = past;
|
|
int temp_skip;
|
|
int flag = 0;
|
|
cd9660node *end_of_range;
|
|
|
|
for (iter = TAILQ_FIRST(&colliding->cn_children);
|
|
iter != NULL && (next = TAILQ_NEXT(iter, cn_next_child)) != NULL;) {
|
|
if (strcmp(iter->isoDirRecord->name,
|
|
next->isoDirRecord->name) != 0) {
|
|
iter = TAILQ_NEXT(iter, cn_next_child);
|
|
continue;
|
|
}
|
|
flag = 1;
|
|
temp_skip = skip = cd9660_count_collisions(iter);
|
|
end_of_range = iter;
|
|
while (temp_skip > 0) {
|
|
temp_skip--;
|
|
end_of_range = TAILQ_NEXT(end_of_range, cn_next_child);
|
|
}
|
|
temp_past = past;
|
|
while (temp_past > 0) {
|
|
if ((next = TAILQ_NEXT(end_of_range, cn_next_child)) != NULL)
|
|
end_of_range = next;
|
|
else if ((prev = TAILQ_PREV(iter, cd9660_children_head, cn_next_child)) != NULL)
|
|
iter = prev;
|
|
else
|
|
delete_chars++;
|
|
temp_past--;
|
|
}
|
|
skip += past;
|
|
iter = cd9660_rename_filename(diskStructure, iter, skip,
|
|
delete_chars);
|
|
}
|
|
return flag;
|
|
}
|
|
|
|
|
|
static cd9660node *
|
|
cd9660_rename_filename(iso9660_disk *diskStructure, cd9660node *iter, int num,
|
|
int delete_chars)
|
|
{
|
|
int i = 0;
|
|
int numbts, digit, digits, temp, powers, count;
|
|
char *naming;
|
|
int maxlength;
|
|
char *tmp;
|
|
|
|
if (diskStructure->verbose_level > 0)
|
|
printf("Rename_filename called\n");
|
|
|
|
assert(1 <= diskStructure->isoLevel && diskStructure->isoLevel <= 2);
|
|
/* TODO : A LOT of chanes regarding 8.3 filenames */
|
|
if (diskStructure->isoLevel == 1)
|
|
maxlength = 8;
|
|
else if (diskStructure->isoLevel == 2)
|
|
maxlength = 31;
|
|
else
|
|
maxlength = ISO_FILENAME_MAXLENGTH_BEFORE_VERSION;
|
|
|
|
tmp = emalloc(ISO_FILENAME_MAXLENGTH_WITH_PADDING);
|
|
|
|
while (i < num && iter) {
|
|
powers = 1;
|
|
count = 0;
|
|
digits = 1;
|
|
while (((int)(i / powers) ) >= 10) {
|
|
digits++;
|
|
powers = powers * 10;
|
|
}
|
|
|
|
naming = iter->o_name;
|
|
|
|
/*
|
|
while ((*naming != '.') && (*naming != ';')) {
|
|
naming++;
|
|
count++;
|
|
}
|
|
*/
|
|
|
|
while (count < maxlength) {
|
|
if (*naming == ';')
|
|
break;
|
|
naming++;
|
|
count++;
|
|
}
|
|
|
|
if ((count + digits) < maxlength)
|
|
numbts = count;
|
|
else
|
|
numbts = maxlength - (digits);
|
|
numbts -= delete_chars;
|
|
|
|
/* 8.3 rules - keep the extension, add before the dot */
|
|
|
|
/*
|
|
* This code makes a bunch of assumptions.
|
|
* See if you can spot them all :)
|
|
*/
|
|
|
|
#if 0
|
|
if (diskStructure->isoLevel == 1) {
|
|
numbts = 8 - digits - delete_chars;
|
|
if (dot < 0) {
|
|
|
|
} else {
|
|
if (dot < 8) {
|
|
memmove(&tmp[numbts],&tmp[dot],4);
|
|
}
|
|
}
|
|
}
|
|
#endif
|
|
|
|
/* (copying just the filename before the '.' */
|
|
memcpy(tmp, (iter->o_name), numbts);
|
|
|
|
/* adding the appropriate number following the name */
|
|
temp = i;
|
|
while (digits > 0) {
|
|
digit = (int)(temp / powers);
|
|
temp = temp - digit * powers;
|
|
sprintf(&tmp[numbts] , "%d", digit);
|
|
digits--;
|
|
numbts++;
|
|
powers = powers / 10;
|
|
}
|
|
|
|
while ((*naming != ';') && (numbts < maxlength)) {
|
|
tmp[numbts] = (*naming);
|
|
naming++;
|
|
numbts++;
|
|
}
|
|
|
|
tmp[numbts] = ';';
|
|
tmp[numbts+1] = '1';
|
|
tmp[numbts+2] = '\0';
|
|
|
|
/*
|
|
* now tmp has exactly the identifier
|
|
* we want so we'll copy it back to record
|
|
*/
|
|
memcpy((iter->isoDirRecord->name), tmp, numbts + 3);
|
|
|
|
iter = TAILQ_NEXT(iter, cn_next_child);
|
|
i++;
|
|
}
|
|
|
|
free(tmp);
|
|
return iter;
|
|
}
|
|
|
|
/* Todo: Figure out why these functions are nec. */
|
|
static void
|
|
cd9660_copy_filenames(iso9660_disk *diskStructure, cd9660node *node)
|
|
{
|
|
cd9660node *cn;
|
|
|
|
if (TAILQ_EMPTY(&node->cn_children))
|
|
return;
|
|
|
|
if (TAILQ_FIRST(&node->cn_children)->isoDirRecord == NULL) {
|
|
debug_print_tree(diskStructure, diskStructure->rootNode, 0);
|
|
exit(1);
|
|
}
|
|
|
|
TAILQ_FOREACH(cn, &node->cn_children, cn_next_child) {
|
|
cd9660_copy_filenames(diskStructure, cn);
|
|
memcpy(cn->o_name, cn->isoDirRecord->name,
|
|
ISO_FILENAME_MAXLENGTH_WITH_PADDING);
|
|
}
|
|
}
|
|
|
|
static void
|
|
cd9660_sorting_nodes(cd9660node *node)
|
|
{
|
|
cd9660node *cn;
|
|
|
|
TAILQ_FOREACH(cn, &node->cn_children, cn_next_child)
|
|
cd9660_sorting_nodes(cn);
|
|
cd9660_sort_nodes(node);
|
|
}
|
|
|
|
/* XXX Bubble sort. */
|
|
static void
|
|
cd9660_sort_nodes(cd9660node *node)
|
|
{
|
|
cd9660node *cn, *next;
|
|
|
|
do {
|
|
TAILQ_FOREACH(cn, &node->cn_children, cn_next_child) {
|
|
if ((next = TAILQ_NEXT(cn, cn_next_child)) == NULL)
|
|
return;
|
|
else if (strcmp(next->isoDirRecord->name,
|
|
cn->isoDirRecord->name) >= 0)
|
|
continue;
|
|
TAILQ_REMOVE(&node->cn_children, next, cn_next_child);
|
|
TAILQ_INSERT_BEFORE(cn, next, cn_next_child);
|
|
break;
|
|
}
|
|
} while (cn != NULL);
|
|
}
|
|
|
|
static int
|
|
cd9660_count_collisions(cd9660node *copy)
|
|
{
|
|
int count = 0;
|
|
cd9660node *iter, *next;
|
|
|
|
for (iter = copy;
|
|
(next = TAILQ_NEXT(iter, cn_next_child)) != NULL;
|
|
iter = next) {
|
|
if (cd9660_compare_filename(iter->isoDirRecord->name,
|
|
next->isoDirRecord->name) == 0)
|
|
count++;
|
|
else
|
|
return count;
|
|
}
|
|
#if 0
|
|
if ((next = TAILQ_NEXT(iter, cn_next_child)) != NULL) {
|
|
printf("%s: count is %i\n", __func__, count);
|
|
compare = cd9660_compare_filename(iter->isoDirRecord->name,
|
|
next->isoDirRecord->name);
|
|
if (compare == 0) {
|
|
count++;
|
|
return cd9660_recurse_on_collision(next, count);
|
|
} else
|
|
return count;
|
|
}
|
|
#endif
|
|
return count;
|
|
}
|
|
|
|
static cd9660node *
|
|
cd9660_rrip_move_directory(iso9660_disk *diskStructure, cd9660node *dir)
|
|
{
|
|
char newname[9];
|
|
cd9660node *tfile;
|
|
|
|
/*
|
|
* This function needs to:
|
|
* 1) Create an empty virtual file in place of the old directory
|
|
* 2) Point the virtual file to the new directory
|
|
* 3) Point the relocated directory to its old parent
|
|
* 4) Move the directory specified by dir into rr_moved_dir,
|
|
* and rename it to "diskStructure->rock_ridge_move_count" (as a string)
|
|
*/
|
|
|
|
/* First see if the moved directory even exists */
|
|
if (diskStructure->rr_moved_dir == NULL) {
|
|
diskStructure->rr_moved_dir = cd9660_create_directory(
|
|
diskStructure, ISO_RRIP_DEFAULT_MOVE_DIR_NAME,
|
|
diskStructure->rootNode, dir);
|
|
if (diskStructure->rr_moved_dir == NULL)
|
|
return 0;
|
|
cd9660_time_915(diskStructure->rr_moved_dir->isoDirRecord->date,
|
|
stampst.st_ino ? stampst.st_mtime : start_time.tv_sec);
|
|
}
|
|
|
|
/* Create a file with the same ORIGINAL name */
|
|
tfile = cd9660_create_file(diskStructure, dir->node->name, dir->parent,
|
|
dir);
|
|
if (tfile == NULL)
|
|
return NULL;
|
|
|
|
diskStructure->rock_ridge_move_count++;
|
|
snprintf(newname, sizeof(newname), "%08i",
|
|
diskStructure->rock_ridge_move_count);
|
|
|
|
/* Point to old parent */
|
|
dir->rr_real_parent = dir->parent;
|
|
|
|
/* Place the placeholder file */
|
|
if (TAILQ_EMPTY(&dir->rr_real_parent->cn_children)) {
|
|
TAILQ_INSERT_HEAD(&dir->rr_real_parent->cn_children, tfile,
|
|
cn_next_child);
|
|
} else {
|
|
cd9660_sorted_child_insert(dir->rr_real_parent, tfile);
|
|
}
|
|
|
|
/* Point to new parent */
|
|
dir->parent = diskStructure->rr_moved_dir;
|
|
|
|
/* Point the file to the moved directory */
|
|
tfile->rr_relocated = dir;
|
|
|
|
/* Actually move the directory */
|
|
cd9660_sorted_child_insert(diskStructure->rr_moved_dir, dir);
|
|
|
|
/* TODO: Inherit permissions / ownership (basically the entire inode) */
|
|
|
|
/* Set the new name */
|
|
memset(dir->isoDirRecord->name, 0, ISO_FILENAME_MAXLENGTH_WITH_PADDING);
|
|
strncpy(dir->isoDirRecord->name, newname, 8);
|
|
dir->isoDirRecord->length[0] = 34 + 8;
|
|
dir->isoDirRecord->name_len[0] = 8;
|
|
|
|
return dir;
|
|
}
|
|
|
|
static int
|
|
cd9660_add_dot_records(iso9660_disk *diskStructure, cd9660node *root)
|
|
{
|
|
struct cd9660_children_head *head = &root->cn_children;
|
|
cd9660node *cn;
|
|
|
|
TAILQ_FOREACH(cn, head, cn_next_child) {
|
|
if ((cn->type & CD9660_TYPE_DIR) == 0)
|
|
continue;
|
|
/* Recursion first */
|
|
cd9660_add_dot_records(diskStructure, cn);
|
|
}
|
|
cd9660_create_special_directory(diskStructure, CD9660_TYPE_DOT, root);
|
|
cd9660_create_special_directory(diskStructure, CD9660_TYPE_DOTDOT,
|
|
root);
|
|
return 1;
|
|
}
|
|
|
|
/*
|
|
* Convert node to cd9660 structure
|
|
* This function is designed to be called recursively on the root node of
|
|
* the filesystem
|
|
* Lots of recursion going on here, want to make sure it is efficient
|
|
* @param struct fsnode * The root node to be converted
|
|
* @param struct cd9660* The parent node (should not be NULL)
|
|
* @param int Current directory depth
|
|
* @param int* Running count of the number of directories that are being created
|
|
*/
|
|
static void
|
|
cd9660_convert_structure(iso9660_disk *diskStructure, fsnode *root,
|
|
cd9660node *parent_node, int level, int *numDirectories, int *error)
|
|
{
|
|
fsnode *iterator = root;
|
|
cd9660node *this_node;
|
|
int working_level;
|
|
int add;
|
|
int flag = 0;
|
|
int counter = 0;
|
|
|
|
/*
|
|
* Newer, more efficient method, reduces recursion depth
|
|
*/
|
|
if (root == NULL) {
|
|
warnx("%s: root is null", __func__);
|
|
return;
|
|
}
|
|
|
|
/* Test for an empty directory - makefs still gives us the . record */
|
|
if ((S_ISDIR(root->type)) && (root->name[0] == '.')
|
|
&& (root->name[1] == '\0')) {
|
|
root = root->next;
|
|
if (root == NULL)
|
|
return;
|
|
}
|
|
if ((this_node = cd9660_allocate_cd9660node()) == NULL) {
|
|
CD9660_MEM_ALLOC_ERROR(__func__);
|
|
}
|
|
|
|
/*
|
|
* To reduce the number of recursive calls, we will iterate over
|
|
* the next pointers to the right.
|
|
*/
|
|
while (iterator != NULL) {
|
|
add = 1;
|
|
/*
|
|
* Increment the directory count if this is a directory
|
|
* Ignore "." entries. We will generate them later
|
|
*/
|
|
if (!S_ISDIR(iterator->type) ||
|
|
strcmp(iterator->name, ".") != 0) {
|
|
|
|
/* Translate the node, including its filename */
|
|
this_node->parent = parent_node;
|
|
cd9660_translate_node(diskStructure, iterator,
|
|
this_node);
|
|
this_node->level = level;
|
|
|
|
if (S_ISDIR(iterator->type)) {
|
|
(*numDirectories)++;
|
|
this_node->type = CD9660_TYPE_DIR;
|
|
working_level = level + 1;
|
|
|
|
/*
|
|
* If at level 8, directory would be at 8
|
|
* and have children at 9 which is not
|
|
* allowed as per ISO spec
|
|
*/
|
|
if (level == 8) {
|
|
if ((!diskStructure->allow_deep_trees) &&
|
|
(!diskStructure->rock_ridge_enabled)) {
|
|
warnx("error: found entry "
|
|
"with depth greater "
|
|
"than 8.");
|
|
(*error) = 1;
|
|
return;
|
|
} else if (diskStructure->
|
|
rock_ridge_enabled) {
|
|
working_level = 3;
|
|
/*
|
|
* Moved directory is actually
|
|
* at level 2.
|
|
*/
|
|
this_node->level =
|
|
working_level - 1;
|
|
if (cd9660_rrip_move_directory(
|
|
diskStructure,
|
|
this_node) == NULL) {
|
|
warnx("Failure in "
|
|
"cd9660_rrip_"
|
|
"move_directory"
|
|
);
|
|
(*error) = 1;
|
|
return;
|
|
}
|
|
add = 0;
|
|
}
|
|
}
|
|
|
|
/* Do the recursive call on the children */
|
|
if (iterator->child != NULL) {
|
|
cd9660_convert_structure(diskStructure,
|
|
iterator->child, this_node,
|
|
working_level,
|
|
numDirectories, error);
|
|
|
|
if ((*error) == 1) {
|
|
warnx("%s: Error on recursive "
|
|
"call", __func__);
|
|
return;
|
|
}
|
|
}
|
|
|
|
} else {
|
|
/* Only directories should have children */
|
|
assert(iterator->child == NULL);
|
|
|
|
this_node->type = CD9660_TYPE_FILE;
|
|
}
|
|
|
|
/*
|
|
* Finally, do a sorted insert
|
|
*/
|
|
if (add) {
|
|
cd9660_sorted_child_insert(
|
|
parent_node, this_node);
|
|
}
|
|
|
|
/*Allocate new temp_node */
|
|
if (iterator->next != NULL) {
|
|
this_node = cd9660_allocate_cd9660node();
|
|
if (this_node == NULL)
|
|
CD9660_MEM_ALLOC_ERROR(__func__);
|
|
}
|
|
}
|
|
iterator = iterator->next;
|
|
}
|
|
|
|
/* cd9660_handle_collisions(first_node); */
|
|
|
|
/* TODO: need cleanup */
|
|
cd9660_copy_filenames(diskStructure, parent_node);
|
|
|
|
do {
|
|
flag = cd9660_handle_collisions(diskStructure, parent_node,
|
|
counter);
|
|
counter++;
|
|
cd9660_sorting_nodes(parent_node);
|
|
} while ((flag == 1) && (counter < 100));
|
|
}
|
|
|
|
/*
|
|
* Clean up the cd9660node tree
|
|
* This is designed to be called recursively on the root node
|
|
* @param struct cd9660node *root The node to free
|
|
* @returns void
|
|
*/
|
|
static void
|
|
cd9660_free_structure(cd9660node *root)
|
|
{
|
|
cd9660node *cn;
|
|
|
|
while ((cn = TAILQ_FIRST(&root->cn_children)) != NULL) {
|
|
TAILQ_REMOVE(&root->cn_children, cn, cn_next_child);
|
|
cd9660_free_structure(cn);
|
|
}
|
|
free(root);
|
|
}
|
|
|
|
/*
|
|
* Be a little more memory conservative:
|
|
* instead of having the TAILQ_ENTRY as part of the cd9660node,
|
|
* just create a temporary structure
|
|
*/
|
|
static struct ptq_entry
|
|
{
|
|
TAILQ_ENTRY(ptq_entry) ptq;
|
|
cd9660node *node;
|
|
} *n;
|
|
|
|
#define PTQUEUE_NEW(n,s,r,t){\
|
|
n = emalloc(sizeof(struct s)); \
|
|
n->node = t;\
|
|
}
|
|
|
|
/*
|
|
* Generate the path tables
|
|
* The specific implementation of this function is left as an exercise to the
|
|
* programmer. It could be done recursively. Make sure you read how the path
|
|
* table has to be laid out, it has levels.
|
|
* @param struct iso9660_disk *disk The disk image
|
|
* @returns int The number of built path tables (between 1 and 4), 0 on failure
|
|
*/
|
|
static int
|
|
cd9660_generate_path_table(iso9660_disk *diskStructure)
|
|
{
|
|
cd9660node *cn, *dirNode = diskStructure->rootNode;
|
|
cd9660node *last = dirNode;
|
|
int pathTableSize = 0; /* computed as we go */
|
|
int counter = 1; /* root gets a count of 0 */
|
|
|
|
TAILQ_HEAD(cd9660_pt_head, ptq_entry) pt_head;
|
|
TAILQ_INIT(&pt_head);
|
|
|
|
PTQUEUE_NEW(n, ptq_entry, -1, diskStructure->rootNode);
|
|
|
|
/* Push the root node */
|
|
TAILQ_INSERT_HEAD(&pt_head, n, ptq);
|
|
|
|
/* Breadth-first traversal of file structure */
|
|
while (pt_head.tqh_first != 0) {
|
|
n = pt_head.tqh_first;
|
|
dirNode = n->node;
|
|
TAILQ_REMOVE(&pt_head, pt_head.tqh_first, ptq);
|
|
free(n);
|
|
|
|
/* Update the size */
|
|
pathTableSize += ISO_PATHTABLE_ENTRY_BASESIZE
|
|
+ dirNode->isoDirRecord->name_len[0]+
|
|
(dirNode->isoDirRecord->name_len[0] % 2 == 0 ? 0 : 1);
|
|
/* includes the padding bit */
|
|
|
|
dirNode->ptnumber=counter;
|
|
if (dirNode != last) {
|
|
last->ptnext = dirNode;
|
|
dirNode->ptprev = last;
|
|
}
|
|
last = dirNode;
|
|
|
|
/* Push children onto queue */
|
|
TAILQ_FOREACH(cn, &dirNode->cn_children, cn_next_child) {
|
|
/*
|
|
* Dont add the DOT and DOTDOT types to the path
|
|
* table.
|
|
*/
|
|
if ((cn->type != CD9660_TYPE_DOT)
|
|
&& (cn->type != CD9660_TYPE_DOTDOT)) {
|
|
|
|
if (S_ISDIR(cn->node->type)) {
|
|
PTQUEUE_NEW(n, ptq_entry, -1, cn);
|
|
TAILQ_INSERT_TAIL(&pt_head, n, ptq);
|
|
}
|
|
}
|
|
}
|
|
counter++;
|
|
}
|
|
return pathTableSize;
|
|
}
|
|
|
|
void
|
|
cd9660_compute_full_filename(cd9660node *node, char *buf)
|
|
{
|
|
int len;
|
|
|
|
len = CD9660MAXPATH + 1;
|
|
len = snprintf(buf, len, "%s/%s/%s", node->node->root,
|
|
node->node->path, node->node->name);
|
|
if (len > CD9660MAXPATH)
|
|
errx(EXIT_FAILURE, "Pathname too long.");
|
|
}
|
|
|
|
/* NEW filename conversion method */
|
|
typedef int(*cd9660_filename_conversion_functor)(iso9660_disk *, const char *,
|
|
char *, int);
|
|
|
|
|
|
/*
|
|
* TODO: These two functions are almost identical.
|
|
* Some code cleanup is possible here
|
|
*
|
|
* XXX bounds checking!
|
|
*/
|
|
static int
|
|
cd9660_level1_convert_filename(iso9660_disk *diskStructure, const char *oldname,
|
|
char *newname, int is_file)
|
|
{
|
|
/*
|
|
* ISO 9660 : 10.1
|
|
* File Name shall not contain more than 8 d or d1 characters
|
|
* File Name Extension shall not contain more than 3 d or d1 characters
|
|
* Directory Identifier shall not contain more than 8 d or d1 characters
|
|
*/
|
|
int namelen = 0;
|
|
int extlen = 0;
|
|
int found_ext = 0;
|
|
|
|
while (*oldname != '\0' && extlen < 3) {
|
|
/* Handle period first, as it is special */
|
|
if (*oldname == '.') {
|
|
if (found_ext) {
|
|
*newname++ = '_';
|
|
extlen ++;
|
|
}
|
|
else {
|
|
*newname++ = '.';
|
|
found_ext = 1;
|
|
}
|
|
} else {
|
|
/* cut RISC OS file type off ISO name */
|
|
if (diskStructure->archimedes_enabled &&
|
|
*oldname == ',' && strlen(oldname) == 4)
|
|
break;
|
|
|
|
/* Enforce 12.3 / 8 */
|
|
if (namelen == 8 && !found_ext)
|
|
break;
|
|
|
|
if (islower((unsigned char)*oldname))
|
|
*newname++ = toupper((unsigned char)*oldname);
|
|
else if (isupper((unsigned char)*oldname)
|
|
|| isdigit((unsigned char)*oldname))
|
|
*newname++ = *oldname;
|
|
else
|
|
*newname++ = '_';
|
|
|
|
if (found_ext)
|
|
extlen++;
|
|
else
|
|
namelen++;
|
|
}
|
|
oldname++;
|
|
}
|
|
if (is_file) {
|
|
if (!found_ext && !diskStructure->omit_trailing_period)
|
|
*newname++ = '.';
|
|
/* Add version */
|
|
sprintf(newname, ";%i", 1);
|
|
}
|
|
return namelen + extlen + found_ext;
|
|
}
|
|
|
|
/* XXX bounds checking! */
|
|
static int
|
|
cd9660_level2_convert_filename(iso9660_disk *diskStructure, const char *oldname,
|
|
char *newname, int is_file)
|
|
{
|
|
/*
|
|
* ISO 9660 : 7.5.1
|
|
* File name : 0+ d or d1 characters
|
|
* separator 1 (.)
|
|
* File name extension : 0+ d or d1 characters
|
|
* separator 2 (;)
|
|
* File version number (5 characters, 1-32767)
|
|
* 1 <= Sum of File name and File name extension <= 30
|
|
*/
|
|
int namelen = 0;
|
|
int extlen = 0;
|
|
int found_ext = 0;
|
|
|
|
while (*oldname != '\0' && namelen + extlen < 30) {
|
|
/* Handle period first, as it is special */
|
|
if (*oldname == '.') {
|
|
if (found_ext) {
|
|
if (diskStructure->allow_multidot) {
|
|
*newname++ = '.';
|
|
} else {
|
|
*newname++ = '_';
|
|
}
|
|
extlen ++;
|
|
}
|
|
else {
|
|
*newname++ = '.';
|
|
found_ext = 1;
|
|
}
|
|
} else {
|
|
/* cut RISC OS file type off ISO name */
|
|
if (diskStructure->archimedes_enabled &&
|
|
*oldname == ',' && strlen(oldname) == 4)
|
|
break;
|
|
|
|
if (islower((unsigned char)*oldname))
|
|
*newname++ = toupper((unsigned char)*oldname);
|
|
else if (isupper((unsigned char)*oldname) ||
|
|
isdigit((unsigned char)*oldname))
|
|
*newname++ = *oldname;
|
|
else if (diskStructure->allow_multidot &&
|
|
*oldname == '.') {
|
|
*newname++ = '.';
|
|
} else {
|
|
*newname++ = '_';
|
|
}
|
|
|
|
if (found_ext)
|
|
extlen++;
|
|
else
|
|
namelen++;
|
|
}
|
|
oldname ++;
|
|
}
|
|
if (is_file) {
|
|
if (!found_ext && !diskStructure->omit_trailing_period)
|
|
*newname++ = '.';
|
|
/* Add version */
|
|
sprintf(newname, ";%i", 1);
|
|
}
|
|
return namelen + extlen + found_ext;
|
|
}
|
|
|
|
#if 0
|
|
static int
|
|
cd9660_joliet_convert_filename(iso9660_disk *diskStructure, const char *oldname,
|
|
char *newname, int is_file)
|
|
{
|
|
/* TODO: implement later, move to cd9660_joliet.c ?? */
|
|
}
|
|
#endif
|
|
|
|
|
|
/*
|
|
* Convert a file name to ISO compliant file name
|
|
* @param char * oldname The original filename
|
|
* @param char ** newname The new file name, in the appropriate character
|
|
* set and of appropriate length
|
|
* @param int 1 if file, 0 if directory
|
|
* @returns int The length of the new string
|
|
*/
|
|
static int
|
|
cd9660_convert_filename(iso9660_disk *diskStructure, const char *oldname,
|
|
char *newname, int is_file)
|
|
{
|
|
assert(1 <= diskStructure->isoLevel && diskStructure->isoLevel <= 2);
|
|
/* NEW */
|
|
cd9660_filename_conversion_functor conversion_function = NULL;
|
|
if (diskStructure->isoLevel == 1)
|
|
conversion_function = &cd9660_level1_convert_filename;
|
|
else if (diskStructure->isoLevel == 2)
|
|
conversion_function = &cd9660_level2_convert_filename;
|
|
return (*conversion_function)(diskStructure, oldname, newname, is_file);
|
|
}
|
|
|
|
int
|
|
cd9660_compute_record_size(iso9660_disk *diskStructure, cd9660node *node)
|
|
{
|
|
int size = node->isoDirRecord->length[0];
|
|
|
|
if (diskStructure->rock_ridge_enabled)
|
|
size += node->susp_entry_size;
|
|
size += node->su_tail_size;
|
|
size += size & 1; /* Ensure length of record is even. */
|
|
assert(size <= 254);
|
|
return size;
|
|
}
|
|
|
|
static void
|
|
cd9660_populate_dot_records(iso9660_disk *diskStructure, cd9660node *node)
|
|
{
|
|
node->dot_record->fileDataSector = node->fileDataSector;
|
|
memcpy(node->dot_record->isoDirRecord,node->isoDirRecord, 34);
|
|
node->dot_record->isoDirRecord->name_len[0] = 1;
|
|
node->dot_record->isoDirRecord->name[0] = 0;
|
|
node->dot_record->isoDirRecord->name[1] = 0;
|
|
node->dot_record->isoDirRecord->length[0] = 34;
|
|
node->dot_record->fileRecordSize =
|
|
cd9660_compute_record_size(diskStructure, node->dot_record);
|
|
|
|
if (node == diskStructure->rootNode) {
|
|
node->dot_dot_record->fileDataSector = node->fileDataSector;
|
|
memcpy(node->dot_dot_record->isoDirRecord,node->isoDirRecord,
|
|
34);
|
|
} else {
|
|
node->dot_dot_record->fileDataSector =
|
|
node->parent->fileDataSector;
|
|
memcpy(node->dot_dot_record->isoDirRecord,
|
|
node->parent->isoDirRecord,34);
|
|
}
|
|
node->dot_dot_record->isoDirRecord->name_len[0] = 1;
|
|
node->dot_dot_record->isoDirRecord->name[0] = 1;
|
|
node->dot_dot_record->isoDirRecord->name[1] = 0;
|
|
node->dot_dot_record->isoDirRecord->length[0] = 34;
|
|
node->dot_dot_record->fileRecordSize =
|
|
cd9660_compute_record_size(diskStructure, node->dot_dot_record);
|
|
}
|
|
|
|
/*
|
|
* @param struct cd9660node *node The node
|
|
* @param int The offset (in bytes) - SHOULD align to the beginning of a sector
|
|
* @returns int The total size of files and directory entries (should be
|
|
* a multiple of sector size)
|
|
*/
|
|
static int64_t
|
|
cd9660_compute_offsets(iso9660_disk *diskStructure, cd9660node *node,
|
|
int64_t startOffset)
|
|
{
|
|
/*
|
|
* This function needs to compute the size of directory records and
|
|
* runs, file lengths, and set the appropriate variables both in
|
|
* cd9660node and isoDirEntry
|
|
*/
|
|
int64_t used_bytes = 0;
|
|
int64_t current_sector_usage = 0;
|
|
cd9660node *child;
|
|
fsinode *inode;
|
|
int64_t r;
|
|
|
|
assert(node != NULL);
|
|
|
|
|
|
/*
|
|
* NOTE : There needs to be some special case detection for
|
|
* the "real root" node, since for it, node->node is undefined
|
|
*/
|
|
|
|
node->fileDataSector = -1;
|
|
|
|
if (node->type & CD9660_TYPE_DIR) {
|
|
node->fileRecordSize = cd9660_compute_record_size(
|
|
diskStructure, node);
|
|
/*Set what sector this directory starts in*/
|
|
node->fileDataSector =
|
|
CD9660_BLOCKS(diskStructure->sectorSize,startOffset);
|
|
|
|
cd9660_bothendian_dword(node->fileDataSector,
|
|
node->isoDirRecord->extent);
|
|
|
|
/*
|
|
* First loop over children, need to know the size of
|
|
* their directory records
|
|
*/
|
|
node->fileSectorsUsed = 1;
|
|
TAILQ_FOREACH(child, &node->cn_children, cn_next_child) {
|
|
node->fileDataLength +=
|
|
cd9660_compute_record_size(diskStructure, child);
|
|
if ((cd9660_compute_record_size(diskStructure, child) +
|
|
current_sector_usage) >=
|
|
diskStructure->sectorSize) {
|
|
current_sector_usage = 0;
|
|
node->fileSectorsUsed++;
|
|
}
|
|
|
|
current_sector_usage +=
|
|
cd9660_compute_record_size(diskStructure, child);
|
|
}
|
|
|
|
cd9660_bothendian_dword(node->fileSectorsUsed *
|
|
diskStructure->sectorSize,node->isoDirRecord->size);
|
|
|
|
/*
|
|
* This should point to the sector after the directory
|
|
* record (or, the first byte in that sector)
|
|
*/
|
|
used_bytes += node->fileSectorsUsed * diskStructure->sectorSize;
|
|
|
|
for (child = TAILQ_NEXT(node->dot_dot_record, cn_next_child);
|
|
child != NULL; child = TAILQ_NEXT(child, cn_next_child)) {
|
|
/* Directories need recursive call */
|
|
if (S_ISDIR(child->node->type)) {
|
|
r = cd9660_compute_offsets(diskStructure, child,
|
|
used_bytes + startOffset);
|
|
|
|
if (r != -1)
|
|
used_bytes += r;
|
|
else
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
/* Explicitly set the . and .. records */
|
|
cd9660_populate_dot_records(diskStructure, node);
|
|
|
|
/* Finally, do another iteration to write the file data*/
|
|
for (child = TAILQ_NEXT(node->dot_dot_record, cn_next_child);
|
|
child != NULL;
|
|
child = TAILQ_NEXT(child, cn_next_child)) {
|
|
/* Files need extent set */
|
|
if (S_ISDIR(child->node->type))
|
|
continue;
|
|
child->fileRecordSize =
|
|
cd9660_compute_record_size(diskStructure, child);
|
|
|
|
child->fileSectorsUsed =
|
|
CD9660_BLOCKS(diskStructure->sectorSize,
|
|
child->fileDataLength);
|
|
|
|
inode = child->node->inode;
|
|
if ((inode->flags & FI_ALLOCATED) == 0) {
|
|
inode->ino =
|
|
CD9660_BLOCKS(diskStructure->sectorSize,
|
|
used_bytes + startOffset);
|
|
inode->flags |= FI_ALLOCATED;
|
|
used_bytes += child->fileSectorsUsed *
|
|
diskStructure->sectorSize;
|
|
} else {
|
|
INODE_WARNX(("%s: already allocated inode %d "
|
|
"data sectors at %" PRIu32, __func__,
|
|
(int)inode->st.st_ino, inode->ino));
|
|
}
|
|
child->fileDataSector = inode->ino;
|
|
cd9660_bothendian_dword(child->fileDataSector,
|
|
child->isoDirRecord->extent);
|
|
}
|
|
}
|
|
|
|
return used_bytes;
|
|
}
|
|
|
|
#if 0
|
|
/* Might get rid of this func */
|
|
static int
|
|
cd9660_copy_stat_info(cd9660node *from, cd9660node *to, int file)
|
|
{
|
|
to->node->inode->st.st_dev = 0;
|
|
to->node->inode->st.st_ino = 0;
|
|
to->node->inode->st.st_size = 0;
|
|
to->node->inode->st.st_blksize = from->node->inode->st.st_blksize;
|
|
to->node->inode->st.st_atime = from->node->inode->st.st_atime;
|
|
to->node->inode->st.st_mtime = from->node->inode->st.st_mtime;
|
|
to->node->inode->st.st_ctime = from->node->inode->st.st_ctime;
|
|
to->node->inode->st.st_uid = from->node->inode->st.st_uid;
|
|
to->node->inode->st.st_gid = from->node->inode->st.st_gid;
|
|
to->node->inode->st.st_mode = from->node->inode->st.st_mode;
|
|
/* Clear out type */
|
|
to->node->inode->st.st_mode = to->node->inode->st.st_mode & ~(S_IFMT);
|
|
if (file)
|
|
to->node->inode->st.st_mode |= S_IFREG;
|
|
else
|
|
to->node->inode->st.st_mode |= S_IFDIR;
|
|
return 1;
|
|
}
|
|
#endif
|
|
|
|
static cd9660node *
|
|
cd9660_create_virtual_entry(iso9660_disk *diskStructure, const char *name,
|
|
cd9660node *parent, int file, int insert)
|
|
{
|
|
cd9660node *temp;
|
|
fsnode * tfsnode;
|
|
|
|
assert(parent != NULL);
|
|
|
|
temp = cd9660_allocate_cd9660node();
|
|
if (temp == NULL)
|
|
return NULL;
|
|
|
|
tfsnode = emalloc(sizeof(*tfsnode));
|
|
tfsnode->name = estrdup(name);
|
|
temp->isoDirRecord = emalloc(sizeof(*temp->isoDirRecord));
|
|
|
|
cd9660_convert_filename(diskStructure, tfsnode->name,
|
|
temp->isoDirRecord->name, file);
|
|
|
|
temp->node = tfsnode;
|
|
temp->parent = parent;
|
|
|
|
if (insert) {
|
|
if (temp->parent != NULL) {
|
|
temp->level = temp->parent->level + 1;
|
|
if (!TAILQ_EMPTY(&temp->parent->cn_children))
|
|
cd9660_sorted_child_insert(temp->parent, temp);
|
|
else
|
|
TAILQ_INSERT_HEAD(&temp->parent->cn_children,
|
|
temp, cn_next_child);
|
|
}
|
|
}
|
|
|
|
if (parent->node != NULL) {
|
|
tfsnode->type = parent->node->type;
|
|
}
|
|
|
|
/* Clear out file type bits */
|
|
tfsnode->type &= ~(S_IFMT);
|
|
if (file)
|
|
tfsnode->type |= S_IFREG;
|
|
else
|
|
tfsnode->type |= S_IFDIR;
|
|
|
|
/* Indicate that there is no spec entry (inode) */
|
|
tfsnode->flags &= ~(FSNODE_F_HASSPEC);
|
|
#if 0
|
|
cd9660_copy_stat_info(parent, temp, file);
|
|
#endif
|
|
return temp;
|
|
}
|
|
|
|
static cd9660node *
|
|
cd9660_create_file(iso9660_disk *diskStructure, const char *name,
|
|
cd9660node *parent, cd9660node *me)
|
|
{
|
|
cd9660node *temp;
|
|
|
|
temp = cd9660_create_virtual_entry(diskStructure, name, parent, 1, 1);
|
|
if (temp == NULL)
|
|
return NULL;
|
|
|
|
temp->fileDataLength = 0;
|
|
|
|
temp->type = CD9660_TYPE_FILE | CD9660_TYPE_VIRTUAL;
|
|
|
|
temp->node->inode = ecalloc(1, sizeof(*temp->node->inode));
|
|
*temp->node->inode = *me->node->inode;
|
|
|
|
if (cd9660_translate_node_common(diskStructure, temp) == 0)
|
|
return NULL;
|
|
return temp;
|
|
}
|
|
|
|
/*
|
|
* Create a new directory which does not exist on disk
|
|
* @param const char * name The name to assign to the directory
|
|
* @param const char * parent Pointer to the parent directory
|
|
* @returns cd9660node * Pointer to the new directory
|
|
*/
|
|
static cd9660node *
|
|
cd9660_create_directory(iso9660_disk *diskStructure, const char *name,
|
|
cd9660node *parent, cd9660node *me)
|
|
{
|
|
cd9660node *temp;
|
|
|
|
temp = cd9660_create_virtual_entry(diskStructure, name, parent, 0, 1);
|
|
if (temp == NULL)
|
|
return NULL;
|
|
temp->node->type |= S_IFDIR;
|
|
|
|
temp->type = CD9660_TYPE_DIR | CD9660_TYPE_VIRTUAL;
|
|
|
|
temp->node->inode = ecalloc(1, sizeof(*temp->node->inode));
|
|
*temp->node->inode = *me->node->inode;
|
|
|
|
if (cd9660_translate_node_common(diskStructure, temp) == 0)
|
|
return NULL;
|
|
return temp;
|
|
}
|
|
|
|
static cd9660node *
|
|
cd9660_create_special_directory(iso9660_disk *diskStructure, u_char type,
|
|
cd9660node *parent)
|
|
{
|
|
cd9660node *temp, *first;
|
|
char na[2];
|
|
|
|
assert(parent != NULL);
|
|
|
|
if (type == CD9660_TYPE_DOT)
|
|
na[0] = 0;
|
|
else if (type == CD9660_TYPE_DOTDOT)
|
|
na[0] = 1;
|
|
else
|
|
return 0;
|
|
|
|
na[1] = 0;
|
|
if ((temp = cd9660_create_virtual_entry(diskStructure, na, parent,
|
|
0, 0)) == NULL)
|
|
return NULL;
|
|
|
|
temp->parent = parent;
|
|
temp->type = type;
|
|
temp->isoDirRecord->length[0] = 34;
|
|
/* Dot record is always first */
|
|
if (type == CD9660_TYPE_DOT) {
|
|
parent->dot_record = temp;
|
|
TAILQ_INSERT_HEAD(&parent->cn_children, temp, cn_next_child);
|
|
/* DotDot should be second */
|
|
} else if (type == CD9660_TYPE_DOTDOT) {
|
|
parent->dot_dot_record = temp;
|
|
/*
|
|
* If the first child is the dot record, insert
|
|
* this second. Otherwise, insert it at the head.
|
|
*/
|
|
if ((first = TAILQ_FIRST(&parent->cn_children)) == NULL ||
|
|
(first->type & CD9660_TYPE_DOT) == 0) {
|
|
TAILQ_INSERT_HEAD(&parent->cn_children, temp,
|
|
cn_next_child);
|
|
} else {
|
|
TAILQ_INSERT_AFTER(&parent->cn_children, first, temp,
|
|
cn_next_child);
|
|
}
|
|
}
|
|
|
|
return temp;
|
|
}
|
|
|
|
static int
|
|
cd9660_add_generic_bootimage(iso9660_disk *diskStructure, const char *bootimage)
|
|
{
|
|
struct stat stbuf;
|
|
|
|
assert(bootimage != NULL);
|
|
|
|
if (*bootimage == '\0') {
|
|
warnx("Error: Boot image must be a filename");
|
|
return 0;
|
|
}
|
|
|
|
diskStructure->generic_bootimage = estrdup(bootimage);
|
|
|
|
/* Get information about the file */
|
|
if (lstat(diskStructure->generic_bootimage, &stbuf) == -1)
|
|
err(EXIT_FAILURE, "%s: lstat(\"%s\")", __func__,
|
|
diskStructure->generic_bootimage);
|
|
|
|
if (stbuf.st_size > 32768) {
|
|
warnx("Error: Boot image must be no greater than 32768 bytes");
|
|
return 0;
|
|
}
|
|
|
|
if (diskStructure->verbose_level > 0) {
|
|
printf("Generic boot image has size %lld\n",
|
|
(long long)stbuf.st_size);
|
|
}
|
|
|
|
diskStructure->has_generic_bootimage = 1;
|
|
|
|
return 1;
|
|
}
|