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ef9e6de540
The iso partition table implementation has a few endian and 64bit problems. Clean it up a bit to become endian and bitness safe. Signed-off-by: Alexander Graf <agraf@suse.de>
145 lines
6.8 KiB
C
145 lines
6.8 KiB
C
/*
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* (C) Copyright 2001
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* Denis Peter, MPL AG Switzerland, d.peter@mpl.ch.
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#ifndef _PART_CD_H
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#define _PART_CD_H
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#define BRVD 0x11
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#define PVD_OFFSET 0x10
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typedef struct iso_boot_rec {
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unsigned char desctype; /* type of Volume descriptor: 0 = boot record, 1 = primary, 2 = Supplement, 3 = volume part 0xff trminator */
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unsigned char stand_ident[5]; /* "CD001" */
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unsigned char vers; /* Version */
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char ident_str[0x20]; /* Ident String "EL TORITO SPECIFICATION" */
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unsigned char unused[0x20]; /* unused */
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unsigned char pointer[4]; /* absolute pointer to Boot Catalog */
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} iso_boot_rec_t;
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typedef struct iso_pri_rec {
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unsigned char desctype; /* type of Volume descriptor: 0 = boot record, 1 = primary, 2 = Supplement, 3 = volume part 0xff trminator */
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unsigned char stand_ident[5]; /* "CD001" */
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unsigned char vers; /* Version */
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unsigned char unused;
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char sysid[32]; /* system Identifier */
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char volid[32]; /* volume Identifier */
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unsigned char zeros1[8]; /* unused */
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unsigned int volsiz_LE; /* volume size Little Endian */
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unsigned int volsiz_BE; /* volume size Big Endian */
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unsigned char zeros2[32]; /* unused */
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unsigned short setsize_LE; /* volume set size LE */
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unsigned short setsize_BE; /* volume set size BE */
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unsigned short seqnum_LE; /* volume sequence number LE */
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unsigned short seqnum_BE; /* volume sequence number BE */
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unsigned short secsize_LE; /* sector size LE */
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unsigned short secsize_BE; /* sector size BE */
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unsigned int pathtablen_LE;/* Path Table size LE */
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unsigned int pathtablen_BE;/* Path Table size BE */
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unsigned int firstsek_LEpathtab1_LE; /* location of first occurrence of little endian type path table */
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unsigned int firstsek_LEpathtab2_LE; /* location of optional occurrence of little endian type path table */
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unsigned int firstsek_BEpathtab1_BE; /* location of first occurrence of big endian type path table */
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unsigned int firstsek_BEpathtab2_BE; /* location of optional occurrence of big endian type path table */
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unsigned char rootdir[34]; /* directory record for root dir */
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char volsetid[128];/* Volume set identifier */
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char pubid[128]; /* Publisher identifier */
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char dataprepid[128]; /* data preparer identifier */
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char appid[128]; /* application identifier */
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char copyr[37]; /* copyright string */
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char abstractfileid[37]; /* abstract file identifier */
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char bibliofileid[37]; /* bibliographic file identifier */
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unsigned char creationdate[17]; /* creation date */
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unsigned char modify[17]; /* modification date */
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unsigned char expire[17]; /* expiring date */
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unsigned char effective[17];/* effective date */
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unsigned char filestruc_ver; /* file structur version */
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} iso_pri_rec_t;
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typedef struct iso_sup_rec {
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unsigned char desctype; /* type of Volume descriptor: 0 = boot record, 1 = primary, 2 = Supplement, 3 = volume part 0xff trminator */
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unsigned char stand_ident[5]; /* "CD001" */
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unsigned char vers; /* Version */
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unsigned char volumeflags; /* if bit 0 = 0 => all escape sequences are according ISO 2375 */
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char sysid[32]; /* system Identifier */
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char volid[32]; /* volume Identifier */
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unsigned char zeros1[8]; /* unused */
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unsigned int volsiz_LE; /* volume size Little Endian */
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unsigned int volsiz_BE; /* volume size Big Endian */
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unsigned char escapeseq[32];/* Escape sequences */
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unsigned short setsize_LE; /* volume set size LE */
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unsigned short setsize_BE; /* volume set size BE */
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unsigned short seqnum_LE; /* volume sequence number LE */
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unsigned short seqnum_BE; /* volume sequence number BE */
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unsigned short secsize_LE; /* sector size LE */
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unsigned short secsize_BE; /* sector size BE */
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unsigned int pathtablen_LE;/* Path Table size LE */
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unsigned int pathtablen_BE;/* Path Table size BE */
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unsigned int firstsek_LEpathtab1_LE; /* location of first occurrence of little endian type path table */
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unsigned int firstsek_LEpathtab2_LE; /* location of optional occurrence of little endian type path table */
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unsigned int firstsek_BEpathtab1_BE; /* location of first occurrence of big endian type path table */
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unsigned int firstsek_BEpathtab2_BE; /* location of optional occurrence of big endian type path table */
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unsigned char rootdir[34]; /* directory record for root dir */
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char volsetid[128];/* Volume set identifier */
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char pubid[128]; /* Publisher identifier */
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char dataprepid[128]; /* data preparer identifier */
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char appid[128]; /* application identifier */
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char copyr[37]; /* copyright string */
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char abstractfileid[37]; /* abstract file identifier */
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char bibliofileid[37]; /* bibliographic file identifier */
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unsigned char creationdate[17]; /* creation date */
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unsigned char modify[17]; /* modification date */
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unsigned char expire[17]; /* expiring date */
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unsigned char effective[17];/* effective date */
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unsigned char filestruc_ver; /* file structur version */
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}iso_sup_rec_t;
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typedef struct iso_part_rec {
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unsigned char desctype; /* type of Volume descriptor: 0 = boot record, 1 = primary, 2 = Supplement, 3 = volume part 0xff trminator */
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unsigned char stand_ident[5]; /* "CD001" */
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unsigned char vers; /* Version */
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unsigned char unused;
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char sysid[32]; /* system Identifier */
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char volid[32]; /* volume partition Identifier */
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unsigned int partloc_LE; /* volume partition location LE */
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unsigned int partloc_BE; /* volume partition location BE */
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unsigned int partsiz_LE; /* volume partition size LE */
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unsigned int partsiz_BE; /* volume partition size BE */
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}iso_part_rec_t;
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typedef struct iso_val_entry {
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unsigned char header_id; /* Header ID must be 0x01 */
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unsigned char platform; /* Platform: 0=x86, 1=PowerPC, 2=MAC */
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unsigned char res[2]; /* reserved */
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char manu_str[0x18]; /* Ident String of manufacturer/developer */
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unsigned char chk_sum[2]; /* Check sum (all words must be zero) */
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unsigned char key[2]; /* key[0]=55, key[1]=0xAA */
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} iso_val_entry_t;
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typedef struct iso_header_entry {
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unsigned char header_id; /* Header ID must be 0x90 or 0x91 */
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unsigned char platform; /* Platform: 0=x86, 1=PowerPC, 2=MAC */
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unsigned char numentry[2]; /* number of entries */
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char id_str[0x1C]; /* Ident String of sectionr */
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} iso_header_entry_t;
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typedef struct iso_init_def_entry {
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unsigned char boot_ind; /* Boot indicator 0x88=bootable 0=not bootable */
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unsigned char boot_media; /* boot Media Type: 0=no Emulation, 1=1.2MB floppy, 2=1.44MB floppy, 3=2.88MB floppy 4=hd (0x80) */
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unsigned char ld_seg[2]; /* Load segment (flat model=addr/10) */
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unsigned char systype; /* System Type copy of byte5 of part table */
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unsigned char res; /* reserved */
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unsigned char sec_cnt[2]; /* sector count in VIRTUAL Blocks (0x200) */
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unsigned char rel_block_addr[4]; /* relative Block address */
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} iso_init_def_entry_t;
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void print_partition_cd(int dev);
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#endif /* _PART_CD_H */
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