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