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Editing: cd9660.h
/* $NetBSD: cd9660.h,v 1.17 2011/06/23 02:35:56 enami Exp $ */ /*- * SPDX-License-Identifier: BSD-2-Clause-NetBSD * * 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. * * $FreeBSD$ */ #ifndef _MAKEFS_CD9660_H #define _MAKEFS_CD9660_H #include <inttypes.h> #include <assert.h> #include <errno.h> #include <fcntl.h> #include <stdarg.h> #include <stdio.h> #include <stdlib.h> #include <string.h> #include <unistd.h> #include <time.h> #include <limits.h> #include <sys/queue.h> #include <sys/param.h> #include <sys/endian.h> #include "makefs.h" #include "iso.h" #include "iso_rrip.h" #include "cd9660/cd9660_eltorito.h" #ifdef DEBUG #define INODE_WARNX(__x) warnx __x #else /* DEBUG */ #define INODE_WARNX(__x) #endif /* DEBUG */ #define CD9660MAXPATH 4096 #define ISO_STRING_FILTER_NONE = 0x00 #define ISO_STRING_FILTER_DCHARS = 0x01 #define ISO_STRING_FILTER_ACHARS = 0x02 /* Extended preferences type, in the spirit of what makefs gives us (only ints) */ typedef struct { const char *shortName; /* Short option */ const char *name; /* option name */ char *value; /* where to stuff the value */ int minLength; /* minimum for value */ int maxLength; /* maximum for value */ const char *desc; /* option description */ int filterFlags; } string_option_t; /******** STRUCTURES **********/ /*Defaults*/ #define ISO_DEFAULT_VOLUMEID "MAKEFS_CD9660_IMAGE" #define ISO_DEFAULT_APPID "MAKEFS" #define ISO_DEFAULT_PUBLISHER "MAKEFS" #define ISO_DEFAULT_PREPARER "MAKEFS" #define ISO_VOLUME_DESCRIPTOR_STANDARD_ID "CD001" #define ISO_VOLUME_DESCRIPTOR_BOOT 0 #define ISO_VOLUME_DESCRIPTOR_PVD 1 #define ISO_VOLUME_DESCRIPTOR_TERMINATOR 255 /*30 for name and extension, as well as version number and padding bit*/ #define ISO_FILENAME_MAXLENGTH_BEFORE_VERSION 30 #define ISO_FILENAME_MAXLENGTH 36 #define ISO_FILENAME_MAXLENGTH_WITH_PADDING 37 #define ISO_FLAG_CLEAR 0x00 #define ISO_FLAG_HIDDEN 0x01 #define ISO_FLAG_DIRECTORY 0x02 #define ISO_FLAG_ASSOCIATED 0x04 #define ISO_FLAG_PERMISSIONS 0x08 #define ISO_FLAG_RESERVED5 0x10 #define ISO_FLAG_RESERVED6 0x20 #define ISO_FLAG_FINAL_RECORD 0x40 #define ISO_PATHTABLE_ENTRY_BASESIZE 8 #define ISO_RRIP_DEFAULT_MOVE_DIR_NAME "RR_MOVED" #define RRIP_DEFAULT_MOVE_DIR_NAME ".rr_moved" #define CD9660_BLOCKS(__sector_size, __bytes) \ howmany((__bytes), (__sector_size)) #define CD9660_MEM_ALLOC_ERROR(_F) \ err(EXIT_FAILURE, "%s, %s l. %d", _F, __FILE__, __LINE__) #define CD9660_TYPE_FILE 0x01 #define CD9660_TYPE_DIR 0x02 #define CD9660_TYPE_DOT 0x04 #define CD9660_TYPE_DOTDOT 0x08 #define CD9660_TYPE_VIRTUAL 0x80 #define CD9660_INODE_HASH_SIZE 1024 #define CD9660_SECTOR_SIZE 2048 #define CD9660_END_PADDING 150 /* Slight modification of the ISO structure in iso.h */ typedef struct _iso_directory_record_cd9660 { u_char length [ISODCL (1, 1)]; /* 711 */ u_char ext_attr_length [ISODCL (2, 2)]; /* 711 */ u_char extent [ISODCL (3, 10)]; /* 733 */ u_char size [ISODCL (11, 18)]; /* 733 */ u_char date [ISODCL (19, 25)]; /* 7 by 711 */ u_char flags [ISODCL (26, 26)]; u_char file_unit_size [ISODCL (27, 27)]; /* 711 */ u_char interleave [ISODCL (28, 28)]; /* 711 */ u_char volume_sequence_number [ISODCL (29, 32)]; /* 723 */ u_char name_len [ISODCL (33, 33)]; /* 711 */ char name [ISO_FILENAME_MAXLENGTH_WITH_PADDING]; } iso_directory_record_cd9660; /* TODO: Lots of optimization of this structure */ typedef struct _cd9660node { u_char type;/* Used internally */ /* Tree structure */ struct _cd9660node *parent; /* parent (NULL if root) */ TAILQ_HEAD(cd9660_children_head, _cd9660node) cn_children; TAILQ_ENTRY(_cd9660node) cn_next_child; struct _cd9660node *dot_record; /* For directories, used mainly in RRIP */ struct _cd9660node *dot_dot_record; fsnode *node; /* pointer to fsnode */ struct _iso_directory_record_cd9660 *isoDirRecord; struct iso_extended_attributes *isoExtAttributes; /***** SIZE CALCULATION *****/ /*already stored in isoDirRecord, but this is an int version, and will be copied to isoDirRecord on writing*/ uint32_t fileDataSector; /* * same thing, though some notes: * If a file, this is the file size * If a directory, this is the size of all its children's * directory records * plus necessary padding */ int64_t fileDataLength; int64_t fileSectorsUsed; int fileRecordSize;/*copy of a variable, int for quicker calculations*/ /* Old name, used for renaming - needs to be optimized but low priority */ char o_name [ISO_FILENAME_MAXLENGTH_WITH_PADDING]; /***** SPACE RESERVED FOR EXTENSIONS *****/ /* For memory efficiency's sake - we should move this to a separate struct and point to null if not needed */ /* For Rock Ridge */ struct _cd9660node *rr_real_parent, *rr_relocated; int64_t susp_entry_size; int64_t susp_dot_entry_size; int64_t susp_dot_dot_entry_size; /* Continuation area stuff */ int64_t susp_entry_ce_start; int64_t susp_dot_ce_start; int64_t susp_dot_dot_ce_start; int64_t susp_entry_ce_length; int64_t susp_dot_ce_length; int64_t susp_dot_dot_ce_length; /* Data to put at the end of the System Use field */ int64_t su_tail_size; char *su_tail_data; /*** PATH TABLE STUFF ***/ int level; /*depth*/ int ptnumber; struct _cd9660node *ptnext, *ptprev, *ptlast; /* SUSP entries */ TAILQ_HEAD(susp_linked_list, ISO_SUSP_ATTRIBUTES) head; } cd9660node; typedef struct _path_table_entry { u_char length[ISODCL (1, 1)]; u_char extended_attribute_length[ISODCL (2, 2)]; u_char first_sector[ISODCL (3, 6)]; u_char parent_number[ISODCL (7, 8)]; char name[ISO_FILENAME_MAXLENGTH_WITH_PADDING]; } path_table_entry; typedef struct _volume_descriptor { u_char *volumeDescriptorData; /*ALWAYS 2048 bytes long*/ int64_t sector; struct _volume_descriptor *next; } volume_descriptor; typedef struct _iso9660_disk { int sectorSize; struct iso_primary_descriptor primaryDescriptor; struct iso_supplementary_descriptor supplementaryDescriptor; volume_descriptor *firstVolumeDescriptor; cd9660node *rootNode; /* Important sector numbers here */ /* primaryDescriptor.type_l_path_table*/ int64_t primaryBigEndianTableSector; /* primaryDescriptor.type_m_path_table*/ int64_t primaryLittleEndianTableSector; /* primaryDescriptor.opt_type_l_path_table*/ int64_t secondaryBigEndianTableSector; /* primaryDescriptor.opt_type_m_path_table*/ int64_t secondaryLittleEndianTableSector; /* primaryDescriptor.path_table_size*/ int pathTableLength; int64_t dataFirstSector; int64_t totalSectors; /* OPTIONS GO HERE */ int isoLevel; int include_padding_areas; int follow_sym_links; int verbose_level; int displayHelp; int keep_bad_images; /* SUSP options and variables */ int64_t susp_continuation_area_start_sector; int64_t susp_continuation_area_size; int64_t susp_continuation_area_current_free; int rock_ridge_enabled; /* Other Rock Ridge Variables */ char *rock_ridge_renamed_dir_name; int rock_ridge_move_count; cd9660node *rr_moved_dir; int archimedes_enabled; int chrp_boot; /* Spec breaking options */ u_char allow_deep_trees; u_char allow_start_dot; u_char allow_max_name; /* Allow 37 char filenames*/ u_char allow_illegal_chars; /* ~, !, # */ u_char allow_lowercase; u_char allow_multidot; u_char omit_trailing_period; /* BOOT INFORMATION HERE */ int has_generic_bootimage; /* Default to 0 */ char *generic_bootimage; int is_bootable;/* Default to 0 */ int64_t boot_catalog_sector; boot_volume_descriptor *boot_descriptor; char * boot_image_directory; TAILQ_HEAD(boot_image_list,cd9660_boot_image) boot_images; int image_serialno; LIST_HEAD(boot_catalog_entries,boot_catalog_entry) boot_entries; } iso9660_disk; /************ FUNCTIONS **************/ int cd9660_valid_a_chars(const char *); int cd9660_valid_d_chars(const char *); void cd9660_uppercase_characters(char *, int); /* ISO Data Types */ void cd9660_721(uint16_t, unsigned char *); void cd9660_731(uint32_t, unsigned char *); void cd9660_722(uint16_t, unsigned char *); void cd9660_732(uint32_t, unsigned char *); void cd9660_bothendian_dword(uint32_t dw, unsigned char *); void cd9660_bothendian_word(uint16_t dw, unsigned char *); void cd9660_set_date(char *, time_t); void cd9660_time_8426(unsigned char *, time_t); void cd9660_time_915(unsigned char *, time_t); /*** Boot Functions ***/ int cd9660_write_generic_bootimage(FILE *); int cd9660_write_boot(iso9660_disk *, FILE *); int cd9660_add_boot_disk(iso9660_disk *, const char *); int cd9660_eltorito_add_boot_option(iso9660_disk *, const char *, const char *); int cd9660_setup_boot(iso9660_disk *, int); int cd9660_setup_boot_volume_descriptor(iso9660_disk *, volume_descriptor *); /*** Write Functions ***/ int cd9660_write_image(iso9660_disk *, const char *image); int cd9660_copy_file(iso9660_disk *, FILE *, off_t, const char *); void cd9660_compute_full_filename(cd9660node *, char *); int cd9660_compute_record_size(iso9660_disk *, cd9660node *); /* Debugging functions */ void debug_print_tree(iso9660_disk *, cd9660node *,int); void debug_print_path_tree(cd9660node *); void debug_print_volume_descriptor_information(iso9660_disk *); void debug_dump_to_xml_ptentry(path_table_entry *,int, int); void debug_dump_to_xml_path_table(FILE *, off_t, int, int); void debug_dump_to_xml(FILE *); int debug_get_encoded_number(const unsigned char *, int); void debug_dump_integer(const char *, const unsigned char *, int); void debug_dump_string(const char *, const unsigned char *, int); void debug_dump_directory_record_9_1(unsigned char *); void debug_dump_to_xml_volume_descriptor(unsigned char *,int); void cd9660_pad_string_spaces(char *, int); #endif
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