rock.h

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/*
    Copyright (C) 2005, 2006 2008, 2012 Rocky Bernstein <rocky@gnu.org>

    See also rock.c by Eric Youngdale (1993) from GNU/Linux 
    This is Copyright 1993 Yggdrasil Computing, Incorporated

    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

#ifndef CDIO_ROCK_H_
#define CDIO_ROCK_H_

#include <cdio/types.h>

#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */

extern enum iso_rock_enums {
  ISO_ROCK_IRUSR  = 000400,   
  ISO_ROCK_IWUSR  = 000200,   
  ISO_ROCK_IXUSR  = 000100,   
  ISO_ROCK_IRGRP  = 000040,   
  ISO_ROCK_IWGRP  = 000020,   
  ISO_ROCK_IXGRP  = 000010,   
  ISO_ROCK_IROTH  = 000004,   
  ISO_ROCK_IWOTH  = 000002,   
  ISO_ROCK_IXOTH  = 000001,   
  ISO_ROCK_ISUID  = 004000,   
  ISO_ROCK_ISGID  = 002000,   
  ISO_ROCK_ISVTX  = 001000,   
  ISO_ROCK_ISSOCK = 0140000,  
  ISO_ROCK_ISLNK  = 0120000,  
  ISO_ROCK_ISREG  = 0100000,  
  ISO_ROCK_ISBLK  = 060000,   
  ISO_ROCK_ISCHR  = 020000,   
  ISO_ROCK_ISDIR  = 040000,   
  ISO_ROCK_ISFIFO = 010000    
} iso_rock_enums;

#define ISO_ROCK_IRUSR    000400  
#define ISO_ROCK_IWUSR    000200  
#define ISO_ROCK_IXUSR    000100  
#define ISO_ROCK_IRGRP    000040  
#define ISO_ROCK_IWGRP    000020  
#define ISO_ROCK_IXGRP    000010  
#define ISO_ROCK_IROTH    000004  
#define ISO_ROCK_IWOTH    000002  
#define ISO_ROCK_IXOTH    000001  
#define ISO_ROCK_ISUID    004000  
#define ISO_ROCK_ISGID    002000  
#define ISO_ROCK_ISVTX    001000  
#define ISO_ROCK_ISSOCK  0140000  
#define ISO_ROCK_ISLNK   0120000  
#define ISO_ROCK_ISREG   0100000  
#define ISO_ROCK_ISBLK    060000  
#define ISO_ROCK_ISCHR    020000  
#define ISO_ROCK_ISDIR    040000  
#define ISO_ROCK_ISFIFO   010000  
#define ISO_ROCK_ENFMT ISO_ROCK_ISGID

PRAGMA_BEGIN_PACKED

typedef struct iso_su_sp_s{
  unsigned char magic[2];
  uint8_t       skip;
} GNUC_PACKED iso_su_sp_t;

typedef struct iso_su_er_s {
  iso711_t      len_id;  
  unsigned char len_des;
  unsigned char len_src;
  iso711_t      ext_ver; 
  char data[EMPTY_ARRAY_SIZE];
} GNUC_PACKED iso_su_er_t;

typedef struct iso_su_ce_s {
  char extent[8];
  char offset[8];
  char size[8];
} iso_su_ce_t;

typedef struct iso_rock_px_s {
  iso733_t st_mode;       
  iso733_t st_nlinks;     
  iso733_t st_uid;        
  iso733_t st_gid;        
} GNUC_PACKED iso_rock_px_t ;

typedef struct iso_rock_pn_s {
  iso733_t dev_high;     
  iso733_t dev_low;      
} GNUC_PACKED iso_rock_pn_t ;

typedef enum {
  ISO_ROCK_SL_CONTINUE = 1,
  ISO_ROCK_SL_CURRENT  = 2,
  ISO_ROCK_SL_PARENT   = 4,
  ISO_ROCK_SL_ROOT     = 8
} iso_rock_sl_flag_t;

#define ISO_ROCK_SL_CONTINUE 1
#define ISO_ROCK_SL_CURRENT  2
#define ISO_ROCK_SL_PARENT   4
#define ISO_ROCK_SL_ROOT     8

typedef struct iso_rock_sl_part_s {
  uint8_t flags;
  uint8_t len;
  char text[EMPTY_ARRAY_SIZE];
} GNUC_PACKED iso_rock_sl_part_t ;

typedef struct iso_rock_sl_s {
  unsigned char flags;
  iso_rock_sl_part_t link;
} GNUC_PACKED iso_rock_sl_t ;

typedef enum {
  ISO_ROCK_NM_CONTINUE = 1,
  ISO_ROCK_NM_CURRENT  = 2,
  ISO_ROCK_NM_PARENT   = 4,
} iso_rock_nm_flag_t;

#define ISO_ROCK_NM_CONTINUE 1
#define ISO_ROCK_NM_CURRENT  2
#define ISO_ROCK_NM_PARENT   4


typedef struct iso_rock_nm_s {
  unsigned char flags;
  char name[EMPTY_ARRAY_SIZE];
} GNUC_PACKED iso_rock_nm_t ;

typedef struct iso_rock_cl_s {
  char location[1];
} GNUC_PACKED iso_rock_cl_t ;

typedef struct iso_rock_pl_s {
  char location[1];
} GNUC_PACKED iso_rock_pl_t ;

typedef enum {
  ISO_ROCK_TF_CREATE     =  1,
  ISO_ROCK_TF_MODIFY     =  2,
  ISO_ROCK_TF_ACCESS     =  4,
  ISO_ROCK_TF_ATTRIBUTES =  8,
  ISO_ROCK_TF_BACKUP     =  16,
  ISO_ROCK_TF_EXPIRATION =  32,
  ISO_ROCK_TF_EFFECTIVE  =  64,
  ISO_ROCK_TF_LONG_FORM  = 128
} iso_rock_tf_flag_t;

/* These are the bits and their meanings for flags in the TF structure. */
#define ISO_ROCK_TF_CREATE      1
#define ISO_ROCK_TF_MODIFY      2
#define ISO_ROCK_TF_ACCESS      4
#define ISO_ROCK_TF_ATTRIBUTES  8
#define ISO_ROCK_TF_BACKUP     16
#define ISO_ROCK_TF_EXPIRATION 32
#define ISO_ROCK_TF_EFFECTIVE  64
#define ISO_ROCK_TF_LONG_FORM 128

typedef struct iso_rock_tf_s {
  uint8_t flags; 
  uint8_t time_bytes[EMPTY_ARRAY_SIZE]; 
} GNUC_PACKED iso_rock_tf_t ;

typedef struct iso_rock_sf_s {
  iso733_t virtual_size_high; 
  iso733_t virtual_size_low;  
  uint8_t   table_depth;
} GNUC_PACKED iso_rock_sf_t ;

typedef struct iso_extension_record_s {
  char signature[2];   
  iso711_t len;        
  iso711_t version;    
  union {
    iso_su_sp_t    SP;  
    iso_su_er_t    ER;  
    iso_su_ce_t    CE;  
    iso_rock_px_t  PX;  
    iso_rock_pn_t  PN;  
    iso_rock_sl_t  SL;  
    iso_rock_nm_t  NM;  
    iso_rock_cl_t  CL;  
    iso_rock_pl_t  PL;  
    iso_rock_tf_t  TF;  
  } u;
} GNUC_PACKED iso_extension_record_t;

typedef struct iso_rock_time_s {
  bool          b_used;     
  bool          b_longdate;  
  union 
  {
    iso9660_ltime_t ltime;
    iso9660_dtime_t dtime;
  } t;
} GNUC_PACKED iso_rock_time_t;

typedef struct iso_rock_statbuf_s {
  bool_3way_t   b3_rock;              
  posix_mode_t  st_mode;              
  posix_nlink_t st_nlinks;            
  posix_uid_t   st_uid;               
  posix_gid_t   st_gid;               
  uint8_t       s_rock_offset;
  int           i_symlink;            
  int           i_symlink_max;        
  char         *psz_symlink;          
  iso_rock_time_t create;             
  iso_rock_time_t modify;             
  iso_rock_time_t access;             
  iso_rock_time_t attributes;         
  iso_rock_time_t backup;             
  iso_rock_time_t expiration;         
  iso_rock_time_t effective;          
  uint32_t i_rdev;                    
} iso_rock_statbuf_t;
  
PRAGMA_END_PACKED

int get_rock_ridge_filename(iso9660_dir_t * de, /*out*/ char * retname, 
                            /*out*/ iso9660_stat_t *p_stat);

  int parse_rock_ridge_stat(iso9660_dir_t *de, /*out*/ iso9660_stat_t *p_stat);

  mode_t 
  iso9660_get_posix_filemode_from_rock(const iso_rock_statbuf_t *rr);

const char *iso9660_get_rock_attr_str(posix_mode_t st_mode);

extern iso_rock_nm_flag_t iso_rock_nm_flag;
extern iso_rock_sl_flag_t iso_rock_sl_flag;
extern iso_rock_tf_flag_t iso_rock_tf_flag;

#ifdef __cplusplus
}
#endif /* __cplusplus */

#endif /* CDIO_ROCK_H_ */

/* 
 * Local variables:
 *  c-file-style: "gnu"
 *  tab-width: 8
 *  indent-tabs-mode: nil
 * End:
 */