387 lines
9.1 KiB
C
387 lines
9.1 KiB
C
/*-
|
|
* Copyright (c) 2001, 2002 Scott Long <scottl@freebsd.org>
|
|
* All rights reserved.
|
|
*
|
|
* 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 THE AUTHOR AND CONTRIBUTORS ``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 THE AUTHOR OR CONTRIBUTORS 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.
|
|
*
|
|
* $FreeBSD$
|
|
*/
|
|
|
|
/* ecma167-udf.h */
|
|
/* Structure/definitions/constants a la ECMA 167 rev. 3 */
|
|
|
|
/* Tag identifiers */
|
|
enum {
|
|
TAGID_PRI_VOL = 1,
|
|
TAGID_ANCHOR = 2,
|
|
TAGID_VOL = 3,
|
|
TAGID_IMP_VOL = 4,
|
|
TAGID_PARTITION = 5,
|
|
TAGID_LOGVOL = 6,
|
|
TAGID_UNALLOC_SPACE = 7,
|
|
TAGID_TERM = 8,
|
|
TAGID_LOGVOL_INTEGRITY = 9,
|
|
TAGID_FSD = 256,
|
|
TAGID_FID = 257,
|
|
TAGID_FENTRY = 261
|
|
};
|
|
|
|
/* Descriptor tag [3/7.2] */
|
|
struct desc_tag {
|
|
uint16_t id;
|
|
uint16_t descriptor_ver;
|
|
uint8_t cksum;
|
|
uint8_t reserved;
|
|
uint16_t serial_num;
|
|
uint16_t desc_crc;
|
|
uint16_t desc_crc_len;
|
|
uint32_t tag_loc;
|
|
} __packed;
|
|
|
|
/* Recorded Address [4/7.1] */
|
|
struct lb_addr {
|
|
uint32_t lb_num;
|
|
uint16_t part_num;
|
|
} __packed;
|
|
|
|
/* Extent Descriptor [3/7.1] */
|
|
struct extent_ad {
|
|
uint32_t len;
|
|
uint32_t loc;
|
|
} __packed;
|
|
|
|
/* Short Allocation Descriptor [4/14.14.1] */
|
|
struct short_ad {
|
|
uint32_t len;
|
|
uint32_t pos;
|
|
} __packed;
|
|
|
|
/* Long Allocation Descriptor [4/14.14.2] */
|
|
struct long_ad {
|
|
uint32_t len;
|
|
struct lb_addr loc;
|
|
uint16_t ad_flags;
|
|
uint32_t ad_id;
|
|
} __packed;
|
|
|
|
/* Extended Allocation Descriptor [4/14.14.3] */
|
|
struct ext_ad {
|
|
uint32_t ex_len;
|
|
uint32_t rec_len;
|
|
uint32_t inf_len;
|
|
struct lb_addr ex_loc;
|
|
uint8_t reserved[2];
|
|
} __packed;
|
|
|
|
union icb {
|
|
struct short_ad s_ad;
|
|
struct long_ad l_ad;
|
|
struct ext_ad e_ad;
|
|
};
|
|
|
|
/* Character set spec [1/7.2.1] */
|
|
struct charspec {
|
|
uint8_t type;
|
|
uint8_t inf[63];
|
|
} __packed;
|
|
|
|
/* Timestamp [1/7.3] */
|
|
struct timestamp {
|
|
uint16_t type_tz;
|
|
uint16_t year;
|
|
uint8_t month;
|
|
uint8_t day;
|
|
uint8_t hour;
|
|
uint8_t minute;
|
|
uint8_t second;
|
|
uint8_t centisec;
|
|
uint8_t hund_usec;
|
|
uint8_t usec;
|
|
} __packed;
|
|
|
|
/* Entity Identifier [1/7.4] */
|
|
#define UDF_REGID_ID_SIZE 23
|
|
struct regid {
|
|
uint8_t flags;
|
|
uint8_t id[UDF_REGID_ID_SIZE];
|
|
uint8_t id_suffix[8];
|
|
} __packed;
|
|
|
|
/* ICB Tag [4/14.6] */
|
|
struct icb_tag {
|
|
uint32_t prev_num_dirs;
|
|
uint16_t strat_type;
|
|
uint8_t strat_param[2];
|
|
uint16_t max_num_entries;
|
|
uint8_t reserved;
|
|
uint8_t file_type;
|
|
struct lb_addr parent_icb;
|
|
uint16_t flags;
|
|
} __packed;
|
|
#define UDF_ICB_TAG_FLAGS_SETUID 0x40
|
|
#define UDF_ICB_TAG_FLAGS_SETGID 0x80
|
|
#define UDF_ICB_TAG_FLAGS_STICKY 0x100
|
|
|
|
/* Anchor Volume Descriptor Pointer [3/10.2] */
|
|
struct anchor_vdp {
|
|
struct desc_tag tag;
|
|
struct extent_ad main_vds_ex;
|
|
struct extent_ad reserve_vds_ex;
|
|
} __packed;
|
|
|
|
/* Volume Descriptor Pointer [3/10.3] */
|
|
struct vol_desc_ptr {
|
|
struct desc_tag tag;
|
|
uint32_t vds_number;
|
|
struct extent_ad next_vds_ex;
|
|
} __packed;
|
|
|
|
/* Primary Volume Descriptor [3/10.1] */
|
|
struct pri_vol_desc {
|
|
struct desc_tag tag;
|
|
uint32_t seq_num;
|
|
uint32_t pdv_num;
|
|
char vol_id[32];
|
|
uint16_t vds_num;
|
|
uint16_t max_vol_seq;
|
|
uint16_t ichg_lvl;
|
|
uint16_t max_ichg_lvl;
|
|
uint32_t charset_list;
|
|
uint32_t max_charset_list;
|
|
char volset_id[128];
|
|
struct charspec desc_charset;
|
|
struct charspec explanatory_charset;
|
|
struct extent_ad vol_abstract;
|
|
struct extent_ad vol_copyright;
|
|
struct regid app_id;
|
|
struct timestamp time;
|
|
struct regid imp_id;
|
|
uint8_t imp_use[64];
|
|
uint32_t prev_vds_lov;
|
|
uint16_t flags;
|
|
uint8_t reserved[22];
|
|
} __packed;
|
|
|
|
/* Logical Volume Descriptor [3/10.6] */
|
|
struct logvol_desc {
|
|
struct desc_tag tag;
|
|
uint32_t seq_num;
|
|
struct charspec desc_charset;
|
|
char logvol_id[128];
|
|
uint32_t lb_size;
|
|
struct regid domain_id;
|
|
union {
|
|
struct long_ad fsd_loc;
|
|
uint8_t logvol_content_use[16];
|
|
} _lvd_use;
|
|
uint32_t mt_l; /* Partition map length */
|
|
uint32_t n_pm; /* Number of partition maps */
|
|
struct regid imp_id;
|
|
uint8_t imp_use[128];
|
|
struct extent_ad integrity_seq_id;
|
|
uint8_t maps[1];
|
|
} __packed;
|
|
|
|
/* Type 1 Partition Map [3/10.7.2] */
|
|
struct part_map_1 {
|
|
uint8_t type;
|
|
uint8_t len;
|
|
uint16_t vol_seq_num;
|
|
uint16_t part_num;
|
|
} __packed;
|
|
|
|
#define UDF_PMAP_TYPE1_SIZE 6
|
|
|
|
/* Type 2 Partition Map [3/10.7.3] */
|
|
struct part_map_2 {
|
|
uint8_t type;
|
|
uint8_t len;
|
|
uint8_t part_id[62];
|
|
} __packed;
|
|
|
|
#define UDF_PMAP_TYPE2_SIZE 64
|
|
|
|
/* Virtual Partition Map [UDF 2.01/2.2.8] */
|
|
struct part_map_virt {
|
|
uint8_t type;
|
|
uint8_t len;
|
|
uint8_t reserved[2];
|
|
struct regid id;
|
|
uint16_t vol_seq_num;
|
|
uint16_t part_num;
|
|
uint8_t reserved1[24];
|
|
} __packed;
|
|
|
|
/* Sparable Partition Map [UDF 2.01/2.2.9] */
|
|
struct part_map_spare {
|
|
uint8_t type;
|
|
uint8_t len;
|
|
uint8_t reserved[2];
|
|
struct regid id;
|
|
uint16_t vol_seq_num;
|
|
uint16_t part_num;
|
|
uint16_t packet_len;
|
|
uint8_t n_st; /* Number of Sparing Tables */
|
|
uint8_t reserved1;
|
|
uint32_t st_size;
|
|
uint32_t st_loc[1];
|
|
} __packed;
|
|
|
|
union udf_pmap {
|
|
struct part_map_1 pm1;
|
|
struct part_map_2 pm2;
|
|
struct part_map_virt pmv;
|
|
struct part_map_spare pms;
|
|
};
|
|
|
|
/* Sparing Map Entry [UDF 2.01/2.2.11] */
|
|
struct spare_map_entry {
|
|
uint32_t org;
|
|
uint32_t map;
|
|
} __packed;
|
|
|
|
/* Sparing Table [UDF 2.01/2.2.11] */
|
|
struct udf_sparing_table {
|
|
struct desc_tag tag;
|
|
struct regid id;
|
|
uint16_t rt_l; /* Relocation Table len */
|
|
uint8_t reserved[2];
|
|
uint32_t seq_num;
|
|
struct spare_map_entry entries[1];
|
|
} __packed;
|
|
|
|
/* Partition Descriptor [3/10.5] */
|
|
struct part_desc {
|
|
struct desc_tag tag;
|
|
uint32_t seq_num;
|
|
uint16_t flags;
|
|
uint16_t part_num;
|
|
struct regid contents;
|
|
uint8_t contents_use[128];
|
|
uint32_t access_type;
|
|
uint32_t start_loc;
|
|
uint32_t part_len;
|
|
struct regid imp_id;
|
|
uint8_t imp_use[128];
|
|
uint8_t reserved[156];
|
|
} __packed;
|
|
|
|
/* File Set Descriptor [4/14.1] */
|
|
struct fileset_desc {
|
|
struct desc_tag tag;
|
|
struct timestamp time;
|
|
uint16_t ichg_lvl;
|
|
uint16_t max_ichg_lvl;
|
|
uint32_t charset_list;
|
|
uint32_t max_charset_list;
|
|
uint32_t fileset_num;
|
|
uint32_t fileset_desc_num;
|
|
struct charspec logvol_id_charset;
|
|
char logvol_id[128];
|
|
struct charspec fileset_charset;
|
|
char fileset_id[32];
|
|
char copyright_file_id[32];
|
|
char abstract_file_id[32];
|
|
struct long_ad rootdir_icb;
|
|
struct regid domain_id;
|
|
struct long_ad next_ex;
|
|
struct long_ad streamdir_icb;
|
|
uint8_t reserved[32];
|
|
} __packed;
|
|
|
|
/* File Identifier Descriptor [4/14.4] */
|
|
struct fileid_desc {
|
|
struct desc_tag tag;
|
|
uint16_t file_num;
|
|
uint8_t file_char;
|
|
uint8_t l_fi; /* Length of file identifier area */
|
|
struct long_ad icb;
|
|
uint16_t l_iu; /* Length of implementation use area */
|
|
uint8_t data[1];
|
|
} __packed;
|
|
#define UDF_FID_SIZE 38
|
|
#define UDF_FILE_CHAR_VIS (1 << 0) /* Visible */
|
|
#define UDF_FILE_CHAR_DIR (1 << 1) /* Directory */
|
|
#define UDF_FILE_CHAR_DEL (1 << 2) /* Deleted */
|
|
#define UDF_FILE_CHAR_PAR (1 << 3) /* Parent Directory */
|
|
#define UDF_FILE_CHAR_META (1 << 4) /* Stream metadata */
|
|
|
|
/* File Entry [4/14.9] */
|
|
struct file_entry {
|
|
struct desc_tag tag;
|
|
struct icb_tag icbtag;
|
|
uint32_t uid;
|
|
uint32_t gid;
|
|
uint32_t perm;
|
|
uint16_t link_cnt;
|
|
uint8_t rec_format;
|
|
uint8_t rec_disp_attr;
|
|
uint32_t rec_len;
|
|
uint64_t inf_len;
|
|
uint64_t logblks_rec;
|
|
struct timestamp atime;
|
|
struct timestamp mtime;
|
|
struct timestamp attrtime;
|
|
uint32_t ckpoint;
|
|
struct long_ad ex_attr_icb;
|
|
struct regid imp_id;
|
|
uint64_t unique_id;
|
|
uint32_t l_ea; /* Length of extended attribute area */
|
|
uint32_t l_ad; /* Length of allocation descriptors */
|
|
uint8_t data[1];
|
|
} __packed;
|
|
#define UDF_FENTRY_SIZE 176
|
|
#define UDF_FENTRY_PERM_USER_MASK 0x07
|
|
#define UDF_FENTRY_PERM_GRP_MASK 0xE0
|
|
#define UDF_FENTRY_PERM_OWNER_MASK 0x1C00
|
|
|
|
/* Path Component [4/14.16.1] */
|
|
struct path_component {
|
|
uint8_t type;
|
|
uint8_t length;
|
|
uint16_t version;
|
|
uint8_t identifier[1];
|
|
} __packed;
|
|
#define UDF_PATH_ROOT 2
|
|
#define UDF_PATH_DOTDOT 3
|
|
#define UDF_PATH_DOT 4
|
|
#define UDF_PATH_PATH 5
|
|
|
|
union dscrptr {
|
|
struct desc_tag tag;
|
|
struct anchor_vdp avdp;
|
|
struct vol_desc_ptr vdp;
|
|
struct pri_vol_desc pvd;
|
|
struct logvol_desc lvd;
|
|
struct part_desc pd;
|
|
struct fileset_desc fsd;
|
|
struct fileid_desc fid;
|
|
struct file_entry fe;
|
|
};
|
|
|
|
/* Useful defines */
|
|
|
|
#define GETICB(ad_type, fentry, offset) \
|
|
(struct ad_type *)&fentry->data[offset]
|
|
|
|
#define GETICBLEN(ad_type, icb) le32toh(((struct ad_type *)(icb))->len)
|