rom/filesys/cdfs/iso9660.h

   1 /*
   2  * Copyright (C) 2013, The AROS Development Team
   3  * All right reserved.
   4  * Author: Jason S. McMullan <jason.mcmullan@gmail.com>
   5  *
   6  * Licensed under the AROS PUBLIC LICENSE (APL) Version 1.1
   7  */
   8
   9 #ifndef ISO9660_H
  10 #define ISO9660_H
  11
  12 #include <exec/types.h>
  13 #include <dos/filehandler.h>
  14
  15 #ifndef __packed
  16 #define __packed    __attribute__((__packed__))
  17 #endif
  18
  19 typedef UBYTE   int8;
  20 typedef TEXT    strA;   /* ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789_
  21                          * !"%&'()*+,-./:;<=>?
  22                          */
  23 typedef TEXT    strD;   /* ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789_ */
  24 typedef struct { ULONG LSB; ULONG MSB; } int32LM;
  25 typedef struct { UWORD LSB; UWORD MSB;} int16LM;
  26 typedef ULONG   int32L;
  27 typedef ULONG   int32M;
  28 typedef ULONG   int32;
  29 typedef UWORD   int16;
  30 typedef struct {
  31     strD Year[4];
  32     strD Month[2];
  33     strD Day[2];
  34     strD Hour[2];
  35     strD Minute[2];
  36     strD Second[2];
  37     strD Hundredth[2];
  38     int8 TimeZone;  /* 0 = GMT-12, 1 = GMT-11:45, 2 = GMT-11:30, etc */
  39 } ascDate;
  40
  41 typedef struct {
  42     int8    Years;  /* 1900 + Year */
  43     int8    Month;  /* Base 1 */
  44     int8    Day;    /* Base 1 */
  45     int8    Hour;   /* Base 0 */
  46     int8    Minute; /* Base 0 */
  47     int8    Second; /* Base 0 */
  48     int8    TimeZone;  /* 0 = GMT-12, 1 = GMT-11:45, 2 = GMT-11:30, etc */
  49 } binDate;
  50
  51 struct isoVolume {
  52     int8    Type;
  53 #define ISO_Volume_Boot             0
  54 #define ISO_Volume_Primary          1
  55 #define ISO_Volume_Supplementary    2
  56 #define ISO_Volume_Partition        3
  57 #define ISO_Volume_Terminator       255
  58     strA    Identifier[5];
  59     int8    Version;
  60     union {
  61         UBYTE Data[2041];
  62         struct isoVolumeBoot {
  63             strA    BootSystemIdentifier[32];
  64             strA    BootIdentifier[32];
  65             UBYTE   BootSystemUse[1977];
  66         } __packed Boot;
  67         struct isoVolumePrimary {
  68             UBYTE   Unused_1[1];
  69             strA    SystemIdentifier[32];
  70             strD    VolumeIdentifier[32];
  71             UBYTE   Unused_2[8];
  72             int32LM VolumeSpaceSize;
  73             UBYTE   Unused_3[32];
  74             int16LM VolumeSetSize;
  75             int16LM VolumeSequenceNumber;
  76             int16LM LogicalBlockSize;
  77             int32LM PathTableSize;
  78             int32L  TypeLPathTable;
  79             int32L  TypeLOptionalPathTable;
  80             int32M  TypeMPathTable;
  81             int32M  TypeMOptionalPathTable;
  82             UBYTE   RootDirectoryEntry[34];
  83             strD    VolumeSetIdentifier[128];
  84             strA    PublisherIdentifier[128];
  85             strA    DataPreparerIdentifier[128];
  86             strA    ApplicationIdentifier[128];
  87             strD    CopyrightFileIdentifier[38];
  88             strD    AbstractFileIdentifier[36];
  89             strD    BibliographicFileIdentifier[37];
  90             ascDate VolumeCreation;
  91             ascDate VolumeModification;
  92             ascDate VolumeExpiration;
  93             ascDate VolumeEffective;
  94             int8    FileStructureVersion;
  95             UBYTE   Unused_4[1];
  96             UBYTE   Application[512];
  97             UBYTE   Reserved[653];
  98         } __packed Primary;
  99         struct {
 100         } __packed Terminator;
 101     };
 102 };
 103
 104 struct isoPathTable {
 105     int8    DirectoryIdentifierLength;
 106     int8    ExtendedAttributeLength;
 107     int32   ExtentLocation;         /* LBA */
 108     int16   ParentDirectory;
 109     strD    DirectoryIdentifier[0];  /* Padded to an even number */
 110 } __packed;
 111
 112 struct isoDirectory {
 113     int8    DirectoryLength;
 114     int8    ExtendedAttributeLength;
 115     int32LM ExtentLocation;         /* LBA */
 116     int32LM DataLength;             /* In bytes */
 117     binDate RecordingDate;
 118     int8    Flags;
 119 #define ISO_Directory_HIDDEN    (1 << 0)    /* Hidden file */
 120 #define ISO_Directory_ISDIR     (1 << 1)    /* Is a directrory node */
 121 #define ISO_Directory_ASSOC     (1 << 2)    /* Associated File */
 122 #define ISO_Directory_EXTFORMAT (1 << 3)    /* Extended Attribute has format info */
 123 #define ISO_Directory_EXTPERM   (1 << 4)    /* Extended Attribute has permission info */
 124 #define ISO_Directory_CONTINUED (1 << 5)    /* File continued in another entry */
 125     int8    InterleaveSize;
 126     int8    InterleaveGap;
 127     int16LM VolumeSequence;
 128     int8    FileIdentifierLength;
 129     strD    FileIdentifier[0];   /* Padded to an even length */
 130     /* System Use area follows the FileIdentifier */
 131 } __packed;
 132
 133 /* Rock-Ridge and Amiga extensions */
 134
 135 struct rrSystemUse {
 136     int16   Signature;          /* Always treat as MSB */
 137     int8    Length;
 138     int8    Version;
 139     union {
 140 #define RR_SystemUse_SP            0x5350  /* System Use Sharing Protocol */
 141 #define RR_SystemUse_SP_VERSION    1
 142         struct {
 143             UBYTE   CheckBytes[2];         /* 0xBE 0xEF */
 144             int8    BytesSkipped;
 145         } __packed SP;
 146 #define RR_SystemUse_ST            0x5354  /* System Use Sharing Termination */
 147 #define RR_SystemUse_ST_VERSION    1
 148         struct {
 149         } __packed ST;
 150 #define RR_SystemUse_CE            0x4345  /* Continuation Entry */
 151 #define RR_SystemUse_CE_VERSION    1
 152         struct {
 153             int32LM     Location;
 154             int32LM     Offset;
 155             int32LM     Length;
 156         } __packed CE;
 157 #define RR_SystemUse_ER            0x4552  /* Extension Reference */
 158 #define RR_SystemUse_ER_VERSION    1
 159         struct {
 160             int8        IdentifierLength;   /* LEN_ID */
 161             int8        DescriptorLength;   /* LEN_DES */
 162             int8        SourceLength;       /* LEN_SRC */
 163             int8        ExtensionVersion;   /* EXT_VER */
 164             UBYTE       Data[0];            /* LEN_ID + LEN_DES + LEN_SRC */
 165         } ER;
 166 #define RR_SystemUse_AS            0x4153  /* Amiga */
 167 #define RR_SystemUse_AS_VERSION    1
 168         struct {
 169             int8    Flags;
 170 #define RR_AS_PROTECTION          (1 << 0)    /* Protection bits present */
 171 #define RR_AS_COMMENT             (1 << 1)    /* Comment field present */
 172 #define RR_AS_COMMENT_CONTINUE    (1 << 2)    /* Comment continues in next SUA */
 173             UBYTE   Data[];
 174         } __packed AS;
 175 #define RR_SystemUse_RR            0x5252  /* RockRidge capabilities */
 176 #define RR_SystemUse_RR_VERSION    1
 177         struct {
 178             int8    Flags;
 179 #define RR_RR_FLAGS_PX             (1 << 0)   /* PX Flag is valid */
 180 #define RR_RR_FLAGS_PN             (1 << 0)   /* PX Flag is valid */
 181 #define RR_RR_FLAGS_SL             (1 << 0)   /* PX Flag is valid */
 182 #define RR_RR_FLAGS_NM             (1 << 0)   /* PX Flag is valid */
 183 #define RR_RR_FLAGS_CL             (1 << 0)   /* PX Flag is valid */
 184 #define RR_RR_FLAGS_PL             (1 << 0)   /* PX Flag is valid */
 185 #define RR_RR_FLAGS_RE             (1 << 0)   /* PX Flag is valid */
 186 #define RR_RR_FLAGS_TF             (1 << 0)   /* PX Flag is valid */
 187         } RR;
 188 #define RR_SystemUse_PX            0x5058  /* POSIX */
 189 #define RR_SystemUse_PX_VERSION    1
 190         struct {
 191             int32LM st_mode;
 192 #define S_IRUSR     0000400
 193 #define S_IWUSR     0000200
 194 #define S_IXUSR     0000100
 195 #define S_IRGRP     0000040
 196 #define S_IWGRP     0000020
 197 #define S_IXGRP     0000010
 198 #define S_IROTH     0000004
 199 #define S_IWOTH     0000002
 200 #define S_IXOTH     0000001
 201 #define S_ISUID     0004000
 202 #define S_ISGID     0002000
 203 #define S_ENFMT     0002000
 204 #define S_ISVTX     0001000
 205 #define S_IFSOCK    0140000
 206 #define S_IFLINK    0120000
 207 #define S_IFREG     0100000
 208 #define S_IFBLK     0060000
 209 #define S_IFCHR     0020000
 210 #define S_IFDIR     0040000
 211 #define S_IFIFO     0010000
 212             int32LM st_nlink;
 213             int32LM st_uid;
 214             int32LM st_gid;
 215             int32LM st_ino;
 216         } __packed PX;
 217 #define RR_SystemUse_PN            0x504e
 218 #define RR_SystemUse_PN_VERISON    1
 219         struct {
 220             int32LM dev_t_High;
 221             int32LM dev_t_Low;
 222         } __packed PN;
 223 #define RR_SystemUse_SL            0x534c
 224 #define RR_SystemUse_SL_VERSION    1
 225         struct {
 226             int8    Flags;
 227 #define RR_SL_CONTINUE              (1 << 0)
 228             union {
 229                 TEXT    Component[0];
 230                 struct rrSL_Component {
 231                     int8    Flags;
 232 #define RR_SL_COMPONENT_CONTINUE    (1 << 0)
 233 #define RR_SL_COMPONENT_CURRENT     (1 << 1)
 234 #define RR_SL_COMPONENT_PARENT      (1 << 2)
 235 #define RR_SL_COMPONENT_ROOT        (1 << 3)
 236 #define RR_SL_COMPONENT_VOLUME      (1 << 4)    /* Obsolete */
 237 #define RR_SL_COMPONENT_HOSTNAME    (1 << 5)    /* Obsolete */
 238                     int8    ContentLength;
 239                     TEXT    Content[0];
 240                 } __packed SL_Component;
 241             };
 242         } __packed SL;
 243 #define RR_SystemUse_NM            0x4e4d
 244 #define RR_SystemUse_NM_VERSION    1
 245         struct {
 246             int8    Flags;
 247 #define RR_NM_COMPONENT_CONTINUE    (1 << 0)
 248 #define RR_NM_COMPONENT_CURRENT     (1 << 1)
 249 #define RR_NM_COMPONENT_PARENT      (1 << 2)
 250             TEXT Content[0];
 251         } __packed NM;
 252 #define RR_SystemUse_CL            0x434c
 253 #define RR_SystemUse_CL_VERSION    1
 254         struct {
 255             int32LM ChildDirectory;      /* LBA */
 256         } __packed CL;
 257 #define RR_SystemUse_PL            0x504c
 258 #define RR_SystemUse_PL_VERSION    1
 259         struct {
 260             int32LM ParentDirectory;    /* LBA */
 261         } __packed PL;
 262 #define RR_SystemUse_RE            0x524c
 263 #define RR_SystemUse_RE_VERSION    1
 264         struct {
 265         } __packed RE;
 266 #define RR_SystemUse_TF            0x5446
 267 #define RR_SystemUse_TF_VERSION    1
 268         struct {
 269             int8    Flags;
 270 #define RR_TF_CREATION              (1 << 0)
 271 #define RR_TF_MODIFY                (1 << 1)
 272 #define RR_TF_ACCESS                (1 << 2)
 273 #define RR_TF_ATTRIBUTES            (1 << 3)
 274 #define RR_TF_BACKUP                (1 << 4)
 275 #define RR_TF_EXPIRATION            (1 << 5)
 276 #define RR_TF_EFFECTIVE             (1 << 6)
 277 #define RR_TF_LONG_FORM             (1 << 7)
 278             UBYTE   Data[]; /* Array of ascDate or binDate format */
 279         } __packed TF;
 280 #define RR_SystemUse_SF            0x5346
 281 #define RR_SystemUse_SF_VERSION    1
 282         struct {
 283             int32LM st_size_High;
 284             int32LM st_size_Low;
 285             int8    TableDepth;
 286         } __packed SF;
 287     };
 288 };
 289
 290
 291 struct rrSparseFileTable {
 292     int32LM TableEntry[256];
 293 #define RR_SFT_BLOCK(x)     ((x) & 0x00ffffff)  /* LBA */
 294 #define RR_SFT_TABLE        (1 << 30)
 295 #define RR_SFT_EMPTY        (1 << 31)
 296 } __packed;
 297
 298
 299
 300 struct SystemUseASProtection {
 301     UBYTE   User;
 302     UBYTE   Zero;
 303     UBYTE   MultiUser;
 304     UBYTE   Protection;
 305 } __packed;
 306
 307 struct SystemUseASComment {
 308     UBYTE   Length;
 309     TEXT    Comment[];
 310 } __packed;
 311
 312 extern const struct CDFSOps ISO9660_Ops;
 313
 314 #endif /* ISO9660_H */