Annotation of XNU/bsd/isofs/cd9660/iso.h, revision 1.1.1.1

1.1       root        1: /*
                      2:  * Copyright (c) 2000 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: iso.h,v 1.9 1995/01/18 09:23:19 mycroft 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 ([email protected]).  The Rock Ridge Extension
                     30:  * Support code is derived from software contributed to Berkeley
                     31:  * by Atsushi Murai ([email protected]).
                     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:  *     @(#)iso.h       8.4 (Berkeley) 12/5/94
                     62: 
                     63: 
                     64:  * HISTORY
                     65:  * 22-Jan-98   radar 1669467 - ISO 9660 CD support - jwc
                     66: 
                     67:  */
                     68: 
                     69: #define ISODCL(from, to) (to - from + 1)
                     70: 
                     71: struct iso_volume_descriptor {
                     72:        char type[ISODCL(1,1)]; /* 711 */
                     73:        char volume_desc_id[ISODCL(2,6)];
                     74:        char version[ISODCL(7,7)];
                     75:        char data[ISODCL(8,2048)];
                     76: };
                     77: 
                     78: /* volume descriptor types */
                     79: #define ISO_VD_PRIMARY 1
                     80: #define ISO_VD_END 255
                     81: 
                     82: #define ISO_STANDARD_ID "CD001"
                     83: #define ISO_ECMA_ID     "CDW01"
                     84: #define ISO_XA_ID              "CD-XA001"      // XA style disk signature - radar 1669467
                     85: #define        DEFAULTTYPE             0x54455854      // 'TEXT' - radar 1669467
                     86: #define DEFAULTCREATOR 0x68736364      // 'hscd' - radar 1669467
                     87: #define ISO9660SIGNATURE 0x4147                /* for getattrlist ATTR_VOL_SIGNATURE */
                     88: 
                     89: /* Finder flags, from Technical Note 40 - radar 1669467 */
                     90: #define                fLockedBit              0x8000
                     91: #define                fInvisibleBit   0x4000
                     92: #define                fHasBundleBit   0x2000
                     93: #define                fSystemBit              0x1000
                     94: #define                fNoCopyBit              0x0800
                     95: #define                fBusyBit                0x0400
                     96: #define                fChangedBit             0x0200
                     97: #define                fInitedBit              0x0100
                     98: #define                fCachedBit              0x0080
                     99: #define                fSharedBit              0x0040
                    100: #define                fAlwaysBit              0x0020          /* always switch-launch */
                    101: #define                fNeverBit               0x0010          /* never switch-launch */
                    102: #define                fOwnApplBit             0x0002
                    103: #define                fOnDesktopBit   0x0001
                    104: 
                    105: #define                EXTFNDRINFOSIZE         16
                    106: 
                    107: struct finder_info {
                    108:        unsigned long           fdType;
                    109:        unsigned long           fdCreator;
                    110:        unsigned short          fdFlags;
                    111:        unsigned short          fdReserved[3];
                    112: };
                    113: 
                    114: struct iso_primary_descriptor {
                    115:        char type                       [ISODCL (  1,   1)]; /* 711 */
                    116:        char primary_desc_id            [ISODCL (  2,   6)];
                    117:        char version                    [ISODCL (  7,   7)]; /* 711 */
                    118:        char unused1                    [ISODCL (  8,   8)];
                    119:        char system_id                  [ISODCL (  9,  40)]; /* achars */
                    120:        char volume_id                  [ISODCL ( 41,  72)]; /* dchars */
                    121:        char unused2                    [ISODCL ( 73,  80)];
                    122:        char volume_space_size          [ISODCL ( 81,  88)]; /* 733 */
                    123:        char unused3                    [ISODCL ( 89, 120)];
                    124:        char volume_set_size            [ISODCL (121, 124)]; /* 723 */
                    125:        char volume_sequence_number     [ISODCL (125, 128)]; /* 723 */
                    126:        char logical_block_size         [ISODCL (129, 132)]; /* 723 */
                    127:        char path_table_size            [ISODCL (133, 140)]; /* 733 */
                    128:        char type_l_path_table          [ISODCL (141, 144)]; /* 731 */
                    129:        char opt_type_l_path_table      [ISODCL (145, 148)]; /* 731 */
                    130:        char type_m_path_table          [ISODCL (149, 152)]; /* 732 */
                    131:        char opt_type_m_path_table      [ISODCL (153, 156)]; /* 732 */
                    132:        char root_directory_record      [ISODCL (157, 190)]; /* 9.1 */
                    133:        char volume_set_id              [ISODCL (191, 318)]; /* dchars */
                    134:        char publisher_id               [ISODCL (319, 446)]; /* achars */
                    135:        char preparer_id                [ISODCL (447, 574)]; /* achars */
                    136:        char application_id             [ISODCL (575, 702)]; /* achars */
                    137:        char copyright_file_id          [ISODCL (703, 739)]; /* 7.5 dchars */
                    138:        char abstract_file_id           [ISODCL (740, 776)]; /* 7.5 dchars */
                    139:        char bibliographic_file_id      [ISODCL (777, 813)]; /* 7.5 dchars */
                    140:        char creation_date              [ISODCL (814, 830)]; /* 8.4.26.1 */
                    141:        char modification_date          [ISODCL (831, 847)]; /* 8.4.26.1 */
                    142:        char expiration_date            [ISODCL (848, 864)]; /* 8.4.26.1 */
                    143:        char effective_date             [ISODCL (865, 881)]; /* 8.4.26.1 */
                    144:        char file_structure_version     [ISODCL (882, 882)]; /* 711 */
                    145:        char unused4                    [ISODCL (883, 883)];
                    146: #if 1 // radar 1669467
                    147:        char application_data1          [ISODCL (884, 1024)];
                    148:        char CDXASignature                      [ISODCL (1025, 1032)];
                    149:        char CDXAResv                           [ISODCL (1033, 1050)];
                    150:        char application_data2          [ISODCL (1051, 1395)];
                    151: #else
                    152:        char application_data           [ISODCL (884, 1395)];
                    153:        char unused5                    [ISODCL (1396, 2048)];
                    154: #endif // radar 1669467
                    155: };
                    156: #define ISO_DEFAULT_BLOCK_SIZE         2048
                    157: 
                    158: #if 1 // radar 1669467
                    159: /* from HighSierra.h in MacOS land */
                    160: typedef struct 
                    161: {
                    162:        char    signature               [ISODCL (1, 2)];        /* x42 x41 - 'BA' signature */
                    163:        u_char  systemUseID             [ISODCL (3, 3)];        /* 02 = no icon, 03 = icon, 04 = icon + bundle */
                    164:        u_char  fileType                [ISODCL (4, 7)];        /* such as 'TEXT' or 'STAK' */
                    165:        u_char  fileCreator             [ISODCL (8, 11)];       /* such as 'hscd' or 'WILD' */
                    166:        u_char  finderFlags             [ISODCL (12, 13)];      /* optional for type 06 */
                    167: } AppleExtension;
                    168: 
                    169: typedef struct 
                    170: {
                    171:        char    signature               [ISODCL (1, 2)];        /* x41 x41 - 'AA' signature */
                    172:        u_char  OSULength               [ISODCL (3, 3)];        /* optional SystemUse length (size of this struct) */
                    173:        u_char  systemUseID             [ISODCL (4, 4)];        /* 1 = ProDOS 2 = HFS */
                    174:        u_char  fileType                [ISODCL (5, 8)];        /* such as 'TEXT' or 'STAK' */
                    175:        u_char  fileCreator             [ISODCL (9, 12)];       /* such as 'hscd' or 'WILD' */
                    176:        u_char  finderFlags             [ISODCL (13, 14)];      /* only certain bits of this are used */
                    177: } NewAppleExtension;
                    178: #endif
                    179: 
                    180: struct iso_directory_record {
                    181:        char length                     [ISODCL (1, 1)]; /* 711 */
                    182:        char ext_attr_length            [ISODCL (2, 2)]; /* 711 */
                    183:        u_char extent                   [ISODCL (3, 10)]; /* 733 */
                    184:        u_char size                     [ISODCL (11, 18)]; /* 733 */
                    185:        char date                       [ISODCL (19, 25)]; /* 7 by 711 */
                    186:        char flags                      [ISODCL (26, 26)];
                    187:        char file_unit_size             [ISODCL (27, 27)]; /* 711 */
                    188:        char interleave                 [ISODCL (28, 28)]; /* 711 */
                    189:        char volume_sequence_number     [ISODCL (29, 32)]; /* 723 */
                    190:        char name_len                   [ISODCL (33, 33)]; /* 711 */
                    191:        char name                       [1];                    /* XXX */
                    192: };
                    193: /* can't take sizeof(iso_directory_record), because of possible alignment
                    194:    of the last entry (34 instead of 33) */
                    195: #define ISO_DIRECTORY_RECORD_SIZE      33
                    196: 
                    197: /*
                    198:  * iso_directory_record.flags for Directory Records (except CD-I discs) - radar 1669467
                    199:  */
                    200: #define existenceBit   0x01    // Invisible
                    201: #define directoryBit   0x02
                    202: #define associatedBit  0x04
                    203: #define recordBit              0x08
                    204: #define protectionBit  0x10
                    205: #define multiextentBit 0x80
                    206: 
                    207: struct iso_extended_attributes {
                    208:        u_char owner                    [ISODCL (1, 4)]; /* 723 */
                    209:        u_char group                    [ISODCL (5, 8)]; /* 723 */
                    210:        u_char perm                     [ISODCL (9, 10)]; /* 9.5.3 */
                    211:        char ctime                      [ISODCL (11, 27)]; /* 8.4.26.1 */
                    212:        char mtime                      [ISODCL (28, 44)]; /* 8.4.26.1 */
                    213:        char xtime                      [ISODCL (45, 61)]; /* 8.4.26.1 */
                    214:        char ftime                      [ISODCL (62, 78)]; /* 8.4.26.1 */
                    215:        char recfmt                     [ISODCL (79, 79)]; /* 711 */
                    216:        char recattr                    [ISODCL (80, 80)]; /* 711 */
                    217:        u_char reclen                   [ISODCL (81, 84)]; /* 723 */
                    218:        char system_id                  [ISODCL (85, 116)]; /* achars */
                    219:        char system_use                 [ISODCL (117, 180)];
                    220:        char version                    [ISODCL (181, 181)]; /* 711 */
                    221:        char len_esc                    [ISODCL (182, 182)]; /* 711 */
                    222:        char reserved                   [ISODCL (183, 246)];
                    223:        u_char len_au                   [ISODCL (247, 250)]; /* 723 */
                    224: };
                    225: 
                    226: /* CD-ROM Format type */
                    227: enum ISO_FTYPE  { ISO_FTYPE_DEFAULT, ISO_FTYPE_9660, ISO_FTYPE_RRIP, ISO_FTYPE_ECMA };
                    228: 
                    229: #ifndef        ISOFSMNT_ROOT
                    230: #define        ISOFSMNT_ROOT   0
                    231: #endif
                    232: 
                    233: struct iso_mnt {
                    234:        int im_flags;           // mount flags
                    235:        int im_flags2;          // misc flags   - radar 1669467
                    236: 
                    237:        struct mount *im_mountp;
                    238:        dev_t im_dev;
                    239:        struct vnode *im_devvp;
                    240: 
                    241:        int logical_block_size;
                    242:        int im_bshift;
                    243:        int im_bmask;
                    244:        
                    245:        int volume_space_size;
                    246:        struct netexport im_export;
                    247:        
                    248:        char root[ISODCL (157, 190)];
                    249:        int root_extent;
                    250:        int root_size;
                    251:        enum ISO_FTYPE  iso_ftype;
                    252:        
                    253:        int rr_skip;
                    254:        int rr_skip0;
                    255: 
                    256:        struct timespec creation_date;                          /* needed for getattrlist */
                    257:        struct timespec modification_date;                      /* needed for getattrlist */
                    258:        u_char volume_id[32];                                           /* name of volume */
                    259: };
                    260: 
                    261: /* bit settings for iso_mnt.im_flags2 */
                    262: #define        IMF2_IS_CDXA    0x00000001      // CD is in XA format.  Need this to find where apple extensions 
                    263:                                                                        //      are in the iso_directory_record  - radar 1669467
                    264: 
                    265: #define VFSTOISOFS(mp) ((struct iso_mnt *)((mp)->mnt_data))
                    266: 
                    267: #define blkoff(imp, loc)       ((loc) & (imp)->im_bmask)
                    268: #define lblktosize(imp, blk)   ((blk) << (imp)->im_bshift)
                    269: #define lblkno(imp, loc)       ((loc) >> (imp)->im_bshift)
                    270: #define blksize(imp, ip, lbn)  ((imp)->logical_block_size)
                    271: 
                    272: int cd9660_mount __P((struct mount *,
                    273:            char *, caddr_t, struct nameidata *, struct proc *));
                    274: int cd9660_start __P((struct mount *, int, struct proc *));
                    275: int cd9660_unmount __P((struct mount *, int, struct proc *));
                    276: int cd9660_root __P((struct mount *, struct vnode **));
                    277: int cd9660_quotactl __P((struct mount *, int, uid_t, caddr_t, struct proc *));
                    278: int cd9660_statfs __P((struct mount *, struct statfs *, struct proc *));
                    279: int cd9660_sync __P((struct mount *, int, struct ucred *, struct proc *));
                    280: int cd9660_vget __P((struct mount *, void *, struct vnode **));
                    281: int cd9660_fhtovp __P((struct mount *, struct fid *, struct mbuf *,
                    282:            struct vnode **, int *, struct ucred **));
                    283: int cd9660_vptofh __P((struct vnode *, struct fid *));
                    284: int cd9660_init __P(());
                    285: 
                    286: int cd9660_mountroot __P((void)); 
                    287: 
                    288: int cd9660_sysctl __P((int *, u_int, void *, size_t *, void *, size_t, struct proc *));
                    289: 
                    290: extern int (**cd9660_vnodeop_p)();
                    291: extern int (**cd9660_specop_p)();
                    292: #if FIFO
                    293: extern int (**cd9660_fifoop_p)();
                    294: #endif
                    295: 
                    296: static __inline int
                    297: isonum_711(p)
                    298:        u_char *p;
                    299: {
                    300:        return *p;
                    301: }
                    302: 
                    303: static __inline int
                    304: isonum_712(p)
                    305:        char *p;
                    306: {
                    307:        return *p;
                    308: }
                    309: 
                    310: #ifndef UNALIGNED_ACCESS
                    311: 
                    312: static __inline int
                    313: isonum_723(p)
                    314:        u_char *p;
                    315: {
                    316:        return *p|(p[1] << 8);
                    317: }
                    318: 
                    319: static __inline int
                    320: isonum_733(p)
                    321:        u_char *p;
                    322: {
                    323:        return *p|(p[1] << 8)|(p[2] << 16)|(p[3] << 24);
                    324: }
                    325: 
                    326: #else /* UNALIGNED_ACCESS */
                    327: 
                    328: #if BYTE_ORDER == LITTLE_ENDIAN
                    329: 
                    330: static __inline int
                    331: isonum_723(p)
                    332:        u_char *p
                    333: {
                    334:        return *(u_int16t *)p;
                    335: }
                    336: 
                    337: static __inline int
                    338: isonum_733(p)
                    339:        u_char *p;
                    340: {
                    341:        return *(u_int32t *)p;
                    342: }
                    343: 
                    344: #endif
                    345: 
                    346: #if BYTE_ORDER == BIG_ENDIAN
                    347: 
                    348: static __inline int
                    349: isonum_723(p)
                    350:        u_char *p
                    351: {
                    352:        return *(u_int16t *)(p + 2);
                    353: }
                    354: 
                    355: static __inline int
                    356: isonum_733(p)
                    357:        u_char *p;
                    358: {
                    359:        return *(u_int32t *)(p + 4);
                    360: }
                    361: 
                    362: #endif
                    363: 
                    364: #endif /* UNALIGNED_ACCESS */
                    365: 
                    366: int isofncmp __P((u_char *, int, u_char *, int));
                    367: void isofntrans __P((u_char *, int, u_char *, u_short *, int, int));
                    368: ino_t isodirino __P((struct iso_directory_record *, struct iso_mnt *));
                    369: int attrcalcsize __P((struct attrlist *attrlist));
                    370: void packattrblk __P((struct attrlist *alist, struct vnode *vp,
                    371:                                          void **attrbufptrptr, void **varbufptrptr));
                    372: 
                    373: 
                    374: /*
                    375:  * Associated files have a leading '='.
                    376:  */
                    377: #define        ASSOCCHAR       '='

unix.superglobalmegacorp.com

This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.