bsd/isofs/cd9660/cd9660_node.h

   1 /*
   2  * Copyright (c) 2000-2003 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * The contents of this file constitute Original Code as defined in and
   7  * are subject to the Apple Public Source License Version 1.1 (the
   8  * "License").  You may not use this file except in compliance with the
   9  * License.  Please obtain a copy of the License at
  10  * http://www.apple.com/publicsource and read it before using this file.
  11  *
  12  * This Original Code and all software distributed under the License are
  13  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  14  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  15  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
  17  * License for the specific language governing rights and limitations
  18  * under the License.
  19  *
  20  * @APPLE_LICENSE_HEADER_END@
  21  */
  22 /*      $NetBSD: cd9660_node.h,v 1.10 1994/12/24 15:30:09 cgd Exp $     */
  23
  24 /*-
  25  * Copyright (c) 1994
  26  *      The Regents of the University of California.  All rights reserved.
  27  *
  28  * This code is derived from software contributed to Berkeley
  29  * by Pace Willisson (pace@blitz.com).  The Rock Ridge Extension
  30  * Support code is derived from software contributed to Berkeley
  31  * by Atsushi Murai (amurai@spec.co.jp).
  32  *
  33  * Redistribution and use in source and binary forms, with or without
  34  * modification, are permitted provided that the following conditions
  35  * are met:
  36  * 1. Redistributions of source code must retain the above copyright
  37  *    notice, this list of conditions and the following disclaimer.
  38  * 2. Redistributions in binary form must reproduce the above copyright
  39  *    notice, this list of conditions and the following disclaimer in the
  40  *    documentation and/or other materials provided with the distribution.
  41  * 3. All advertising materials mentioning features or use of this software
  42  *    must display the following acknowledgement:
  43  *      This product includes software developed by the University of
  44  *      California, Berkeley and its contributors.
  45  * 4. Neither the name of the University nor the names of its contributors
  46  *    may be used to endorse or promote products derived from this software
  47  *    without specific prior written permission.
  48  *
  49  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  50  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  51  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  52  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  53  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  54  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  55  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  56  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  57  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  58  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  59  * SUCH DAMAGE.
  60  *
  61  *      @(#)cd9660_node.h       8.4 (Berkeley) 12/5/94
  62  */
  63 #ifndef _CD9660_NODE_H_
  64 #define _CD9660_NODE_H_
  65
  66 #include <sys/appleapiopts.h>
  67
  68 #ifdef __APPLE_API_PRIVATE
  69 /*
  70  * Theoretically, directories can be more than 2Gb in length,
  71  * however, in practice this seems unlikely. So, we define
  72  * the type doff_t as a long to keep down the cost of doing
  73  * lookup on a 32-bit machine. If you are porting to a 64-bit
  74  * architecture, you should make doff_t the same as off_t.
  75  */
  76
  77 #include <sys/lock.h>
  78 #include <sys/kauth.h>
  79 #include <isofs/cd9660/iso.h>
  80
  81 #ifndef doff_t
  82 #define doff_t  long
  83 #endif
  84
  85 typedef struct  {
  86         struct timespec iso_atime;      /* time of last access */
  87         struct timespec iso_mtime;      /* time of last modification */
  88         struct timespec iso_ctime;      /* time file changed */
  89         uid_t           iso_uid;        /* owner user id */
  90         gid_t           iso_gid;        /* owner group id */
  91         u_short         iso_mode;       /* files access mode and type */
  92         short           iso_links;      /* links of file */
  93         dev_t           iso_rdev;       /* Major/Minor number for special */
  94 } ISO_RRIP_INODE;
  95
  96 #ifdef ISODEVMAP
  97 /*
  98  * FOr device# (major,minor) translation table
  99  */
 100 struct iso_dnode {
 101         struct iso_dnode *d_next, **d_prev;     /* hash chain */
 102         dev_t           i_dev;          /* device where dnode resides */
 103         ino_t           i_number;       /* the identity of the inode */
 104         dev_t           d_dev;          /* device # for translation */
 105 };
 106 #endif
 107
 108 /* <ufs/inode.h> defines i_size as a macro */
 109 #undef i_size
 110
 111 struct iso_node {
 112         struct  iso_node *i_next, **i_prev;     /* hash chain */
 113         struct  vnode *i_vnode; /* vnode associated with this inode */
 114         struct  vnode *i_devvp; /* vnode for block I/O */
 115         u_int32_t i_flag;       /* flags, see below */
 116         dev_t   i_dev;          /* device where inode resides */
 117         ino_t   i_number;       /* the identity of the inode */
 118                                 /* we use the actual starting block of the file */
 119         struct  iso_mnt *i_mnt; /* filesystem associated with this inode */
 120         struct  lockf *i_lockf; /* head of byte-level lock list */
 121         doff_t  i_endoff;       /* end of useful stuff in directory */
 122         doff_t  i_diroff;       /* offset in dir, where we found last entry */
 123         doff_t  i_offset;       /* offset of free space in directory */
 124         ino_t   i_ino;          /* inode number of found directory */
 125         daddr_t i_lastr;        /* last read (read ahead) */
 126         long iso_extent;        /* extent of file */
 127         long i_size;
 128         long iso_start;         /* actual start of data of file (may be different */
 129                                 /* from iso_extent, if file has extended attributes) */
 130         ISO_RRIP_INODE  inode;
 131
 132         ino_t   i_parent;               /* inode number of parent directory */
 133         u_char  *i_namep;               /* node name buffer */
 134
 135         /* support Apple extensions to ISO directory rec */
 136         long            i_rsrcsize;     /* cached size of associated file */
 137         u_int32_t       i_FileType;     /* MacOS file type */
 138         u_int32_t       i_Creator;      /* MacOS file creator */
 139         u_int16_t       i_FinderFlags;  /* MacOS finder flags */
 140
 141         u_int16_t       i_entries;      /* count of directory entries */
 142
 143         struct riff_header *i_riff;
 144 };
 145
 146 #define i_forw          i_chain[0]
 147 #define i_back          i_chain[1]
 148
 149 /* These flags are kept in i_flag. */
 150 #define ISO_ASSOCIATED  0x0001          /* node is an associated file. */
 151 #define ISO_INALLOC     0x0002
 152 #define ISO_INWALLOC    0x0004
 153
 154
 155 /* <ufs/inode.h> defines VTOI and ITOV macros */
 156 #undef VTOI
 157 #undef ITOV
 158
 159 #define VTOI(vp) ((struct iso_node *)(vnode_fsnode(vp)))
 160 #define ITOV(ip) ((ip)->i_vnode)
 161
 162 /* similar in <hfs/hfs_mount.h> as default UID and GID */
 163 #define ISO_UNKNOWNUID  ((uid_t)99)
 164 #define ISO_UNKNOWNGID  ((gid_t)99)
 165
 166 int cd9660_access_internal(vnode_t, mode_t, kauth_cred_t);
 167
 168 /*
 169  * Prototypes for ISOFS vnode operations
 170  */
 171 int cd9660_lookup (struct vnop_lookup_args *);
 172 int cd9660_open (struct vnop_open_args *);
 173 int cd9660_close (struct vnop_close_args *);
 174 int cd9660_access (struct vnop_access_args *);
 175 int cd9660_getattr (struct vnop_getattr_args *);
 176 int cd9660_read (struct vnop_read_args *);
 177 int cd9660_xa_read (struct vnop_read_args *);
 178 int cd9660_ioctl (struct vnop_ioctl_args *);
 179 int cd9660_select (struct vnop_select_args *);
 180 int cd9660_mmap (struct vnop_mmap_args *);
 181 int cd9660_readdir (struct vnop_readdir_args *);
 182 int cd9660_readlink (struct vnop_readlink_args *);
 183 int cd9660_inactive (struct vnop_inactive_args *);
 184 int cd9660_reclaim (struct vnop_reclaim_args *);
 185 int cd9660_strategy (struct vnop_strategy_args *);
 186 int cd9660_pathconf (struct vnop_pathconf_args *);
 187 int cd9660_enotsupp(void);
 188 int cd9660_pagein(struct vnop_pagein_args *ap);
 189 int cd9660_remove(struct vnop_remove_args *ap);
 190 int cd9660_rmdir(struct vnop_rmdir_args *ap);
 191 int cd9660_getattrlist(struct vnop_getattrlist_args *ap);
 192
 193 __private_extern__ void cd9660_xa_init(struct iso_node *ip,
 194                                        struct iso_directory_record *isodir);
 195 __private_extern__ int cd9660_blkatoff (vnode_t, off_t, char **, buf_t *);
 196
 197 void cd9660_defattr (struct iso_directory_record *,
 198                         struct iso_node *, struct buf *);
 199 void cd9660_deftstamp (struct iso_directory_record *,
 200                         struct iso_node *, struct buf *);
 201 struct vnode *cd9660_ihashget (dev_t, ino_t, struct proc *);
 202 void cd9660_ihashins (struct iso_node *);
 203 void cd9660_ihashrem (struct iso_node *);
 204 int cd9660_tstamp_conv7 (u_char *, struct timespec *);
 205 int cd9660_tstamp_conv17 (u_char *, struct timespec *);
 206 ino_t isodirino (struct iso_directory_record *, struct iso_mnt *);
 207 #ifdef  ISODEVMAP
 208 struct iso_dnode *iso_dmap (dev_t, ino_t, int);
 209 void iso_dunmap (dev_t);
 210 #endif
 211
 212 #endif /* __APPLE_API_PRIVATE */
 213 #endif /* ! _CD9660_NODE_H_ */