aaru-dps/Aaru
1
0
Fork 0
mirror of https://github.com/aaru-dps/Aaru.git synced 2025-12-16 19:24:25 +00:00
Code Issues Packages Projects Releases Wiki Activity

Refactor and code cleanup.

Browse Source
This commit is contained in:
Natalia Portillo
2016-07-28 22:25:26 +01:00
parent c93d469da9
commit a63ba13b6b
199 changed files with 3614 additions and 3744 deletions
Download Patch File Download Diff File Expand all files Collapse all files

201
DiscImageChef.Filesystems/SysV.cs
View File

@@ -32,28 +32,27 @@
using System;
using System.Text;
using DiscImageChef;
using System.Collections.Generic;
// Information from the Linux kernel
namespace DiscImageChef.Filesystems
{
// Information from the Linux kernel
class SysVfs : Filesystem
{
const UInt32 XENIX_MAGIC = 0x002B5544;
const UInt32 XENIX_CIGAM = 0x44552B00;
const UInt32 SYSV_MAGIC = 0xFD187E20;
const UInt32 SYSV_CIGAM = 0x207E18FD;
const uint XENIX_MAGIC = 0x002B5544;
const uint XENIX_CIGAM = 0x44552B00;
const uint SYSV_MAGIC = 0xFD187E20;
const uint SYSV_CIGAM = 0x207E18FD;
// Rest have no magic.
// Per a Linux kernel, Coherent fs has following:
const string COH_FNAME = "nonamexxxxx ";
const string COH_FPACK = "nopackxxxxx\n";
// SCO AFS
const UInt16 SCO_NFREE = 0xFFFF;
const ushort SCO_NFREE = 0xFFFF;
// UNIX 7th Edition has nothing to detect it, so check for a valid filesystem is a must :(
const UInt16 V7_NICINOD = 100;
const UInt16 V7_NICFREE = 50;
const UInt32 V7_MAXSIZE = 0x00FFFFFF;
const ushort V7_NICINOD = 100;
const ushort V7_NICFREE = 50;
const uint V7_MAXSIZE = 0x00FFFFFF;
public SysVfs()
{
@@ -72,15 +71,15 @@ namespace DiscImageChef.Filesystems
if((2 + partitionStart) >= imagePlugin.GetSectors())
return false;
UInt32 magic;
uint magic;
string s_fname, s_fpack;
UInt16 s_nfree, s_ninode;
UInt32 s_fsize;
ushort s_nfree, s_ninode;
uint s_fsize;
/*for(int j = 0; j<=(br.BaseStream.Length/0x200); j++)
{
br.BaseStream.Seek(offset + j*0x200 + 0x1F8, SeekOrigin.Begin); // System V magic location
magic = br.ReadUInt32();
magic = br.Readuint();
if(magic == SYSV_MAGIC || magic == SYSV_CIGAM)
Console.WriteLine("0x{0:X8}: 0x{1:X8} FOUND", br.BaseStream.Position-4, magic);
@@ -88,11 +87,11 @@ namespace DiscImageChef.Filesystems
Console.WriteLine("0x{0:X8}: 0x{1:X8}", br.BaseStream.Position-4, magic);
}*/
/*UInt32 number;
/*uint number;
br.BaseStream.Seek(offset+0x3A00, SeekOrigin.Begin);
while((br.BaseStream.Position) <= (offset+0x3C00))
{
number = br.ReadUInt32();
number = br.Readuint();
Console.WriteLine("@{0:X8}: 0x{1:X8} ({1})", br.BaseStream.Position-offset-4, number);
}*/
@@ -104,7 +103,7 @@ namespace DiscImageChef.Filesystems
else
sb_size_in_sectors = 1; // If not a single sector can store it
if(imagePlugin.GetSectors() <= (partitionStart + 4 * (ulong)sb_size_in_sectors + (ulong)sb_size_in_sectors)) // Device must be bigger than SB location + SB size + offset
if(imagePlugin.GetSectors() <= (partitionStart + 4 * (ulong)sb_size_in_sectors + sb_size_in_sectors)) // Device must be bigger than SB location + SB size + offset
return false;
// Superblock can start on 0x000, 0x200, 0x600 and 0x800, not aligned, so we assume 16 (128 bytes/sector) sectors as a safe value
@@ -142,8 +141,8 @@ namespace DiscImageChef.Filesystems
{
// Byteswap
s_fsize = ((s_fsize & 0xFF) << 24) + ((s_fsize & 0xFF00) << 8) + ((s_fsize & 0xFF0000) >> 8) + ((s_fsize & 0xFF000000) >> 24);
s_nfree = (UInt16)(s_nfree >> 8);
s_ninode = (UInt16)(s_ninode >> 8);
s_nfree = (ushort)(s_nfree >> 8);
s_ninode = (ushort)(s_ninode >> 8);
}
if((s_fsize & 0xFF000000) == 0x00 && (s_nfree & 0xFF00) == 0x00 && (s_ninode & 0xFF00) == 0x00)
@@ -167,10 +166,10 @@ namespace DiscImageChef.Filesystems
StringBuilder sb = new StringBuilder();
BigEndianBitConverter.IsLittleEndian = true; // Start in little endian until we know what are we handling here
int start;
UInt32 magic;
uint magic;
string s_fname, s_fpack;
UInt16 s_nfree, s_ninode;
UInt32 s_fsize;
ushort s_nfree, s_ninode;
uint s_fsize;
bool xenix = false;
bool sysv = false;
bool sysvr4 = false;
@@ -242,8 +241,8 @@ namespace DiscImageChef.Filesystems
{
// Byteswap
s_fsize = ((s_fsize & 0xFF) << 24) + ((s_fsize & 0xFF00) << 8) + ((s_fsize & 0xFF0000) >> 8) + ((s_fsize & 0xFF000000) >> 24);
s_nfree = (UInt16)(s_nfree >> 8);
s_ninode = (UInt16)(s_ninode >> 8);
s_nfree = (ushort)(s_nfree >> 8);
s_ninode = (ushort)(s_ninode >> 8);
}
if((s_fsize & 0xFF000000) == 0x00 && (s_nfree & 0xFF00) == 0x00 && (s_ninode & 0xFF00) == 0x00)
@@ -294,7 +293,7 @@ namespace DiscImageChef.Filesystems
xnx_sb.s_magic = BigEndianBitConverter.ToUInt32(sb_sector, 0x3F8);
xnx_sb.s_type = BigEndianBitConverter.ToUInt32(sb_sector, 0x3FC);
UInt32 bs = 512;
uint bs = 512;
sb.AppendLine("XENIX filesystem");
xmlFSType.Type = "XENIX fs";
switch(xnx_sb.s_type)
@@ -364,7 +363,7 @@ namespace DiscImageChef.Filesystems
if(sysv)
{
sb_sector = imagePlugin.ReadSectors((ulong)start + partitionStart, sb_size_in_sectors);
UInt16 pad0, pad1, pad2;
ushort pad0, pad1, pad2;
byte[] sysv_strings = new byte[6];
pad0 = BigEndianBitConverter.ToUInt16(sb_sector, 0x002); // First padding
@@ -425,7 +424,7 @@ namespace DiscImageChef.Filesystems
sysv_sb.s_fpack = StringHandlers.CToString(sysv_strings);
}
UInt32 bs = 512;
uint bs = 512;
if(sysvr4)
{
sb.AppendLine("System V Release 4 filesystem");
@@ -617,19 +616,19 @@ namespace DiscImageChef.Filesystems
struct XenixSuperBlock
{
/// <summary>0x000, index of first data zone</summary>
public UInt16 s_isize;
public ushort s_isize;
/// <summary>0x002, total number of zones of this volume</summary>
public UInt32 s_fsize;
public uint s_fsize;
// the start of the free block list:
/// <summary>0x006, blocks in s_free, &lt;=100</summary>
public UInt16 s_nfree;
public ushort s_nfree;
/// <summary>0x008, 100 entries, first free block list chunk</summary>
public UInt32[] s_free;
public uint[] s_free;
// the cache of free inodes:
/// <summary>0x198, number of inodes in s_inode, &lt;= 100</summary>
public UInt16 s_ninode;
public ushort s_ninode;
/// <summary>0x19A, 100 entries, some free inodes</summary>
public UInt16[] s_inode;
public ushort[] s_inode;
/// <summary>0x262, free block list manipulation lock</summary>
public byte s_flock;
/// <summary>0x263, inode cache manipulation lock</summary>
@@ -639,19 +638,19 @@ namespace DiscImageChef.Filesystems
/// <summary>0x265, read-only mounted flag</summary>
public byte s_ronly;
/// <summary>0x266, time of last superblock update</summary>
public UInt32 s_time;
public uint s_time;
/// <summary>0x26A, total number of free zones</summary>
public UInt32 s_tfree;
public uint s_tfree;
/// <summary>0x26E, total number of free inodes</summary>
public UInt16 s_tinode;
public ushort s_tinode;
/// <summary>0x270, blocks per cylinder</summary>
public UInt16 s_cylblks;
public ushort s_cylblks;
/// <summary>0x272, blocks per gap</summary>
public UInt16 s_gapblks;
public ushort s_gapblks;
/// <summary>0x274, device information ??</summary>
public UInt16 s_dinfo0;
public ushort s_dinfo0;
/// <summary>0x276, device information ??</summary>
public UInt16 s_dinfo1;
public ushort s_dinfo1;
/// <summary>0x278, 6 bytes, volume name</summary>
public string s_fname;
/// <summary>0x27E, 6 bytes, pack name</summary>
@@ -661,33 +660,33 @@ namespace DiscImageChef.Filesystems
/// <summary>0x285, 371 bytes</summary>
public byte[] s_fill;
/// <summary>0x3F8, magic</summary>
public UInt32 s_magic;
public uint s_magic;
/// <summary>0x3FC, filesystem type (1 = 512 bytes/blk, 2 = 1024 bytes/blk, 3 = 2048 bytes/blk)</summary>
public UInt32 s_type;
public uint s_type;
}
struct SystemVRelease4SuperBlock
{
/// <summary>0x000, index of first data zone</summary>
public UInt16 s_isize;
public ushort s_isize;
/// <summary>0x002, padding</summary>
public UInt16 s_pad0;
public ushort s_pad0;
/// <summary>0x004, total number of zones of this volume</summary>
public UInt32 s_fsize;
public uint s_fsize;
// the start of the free block list:
/// <summary>0x008, blocks in s_free, &lt;=100</summary>
public UInt16 s_nfree;
public ushort s_nfree;
/// <summary>0x00A, padding</summary>
public UInt16 s_pad1;
public ushort s_pad1;
/// <summary>0x00C, 50 entries, first free block list chunk</summary>
public UInt32[] s_free;
public uint[] s_free;
// the cache of free inodes:
/// <summary>0x0D4, number of inodes in s_inode, &lt;= 100</summary>
public UInt16 s_ninode;
public ushort s_ninode;
/// <summary>0x0D6, padding</summary>
public UInt16 s_pad2;
public ushort s_pad2;
/// <summary>0x0D8, 100 entries, some free inodes</summary>
public UInt16[] s_inode;
public ushort[] s_inode;
/// <summary>0x1A0, free block list manipulation lock</summary>
public byte s_flock;
/// <summary>0x1A1, inode cache manipulation lock</summary>
@@ -697,21 +696,21 @@ namespace DiscImageChef.Filesystems
/// <summary>0x1A3, read-only mounted flag</summary>
public byte s_ronly;
/// <summary>0x1A4, time of last superblock update</summary>
public UInt32 s_time;
public uint s_time;
/// <summary>0x1A8, blocks per cylinder</summary>
public UInt16 s_cylblks;
public ushort s_cylblks;
/// <summary>0x1AA, blocks per gap</summary>
public UInt16 s_gapblks;
public ushort s_gapblks;
/// <summary>0x1AC, device information ??</summary>
public UInt16 s_dinfo0;
public ushort s_dinfo0;
/// <summary>0x1AE, device information ??</summary>
public UInt16 s_dinfo1;
public ushort s_dinfo1;
/// <summary>0x1B0, total number of free zones</summary>
public UInt32 s_tfree;
public uint s_tfree;
/// <summary>0x1B4, total number of free inodes</summary>
public UInt16 s_tinode;
public ushort s_tinode;
/// <summary>0x1B6, padding</summary>
public UInt16 s_pad3;
public ushort s_pad3;
/// <summary>0x1B8, 6 bytes, volume name</summary>
public string s_fname;
/// <summary>0x1BE, 6 bytes, pack name</summary>
@@ -719,29 +718,29 @@ namespace DiscImageChef.Filesystems
/// <summary>0x1C4, 48 bytes</summary>
public byte[] s_fill;
/// <summary>0x1F4, if s_state == (0x7C269D38 - s_time) then filesystem is clean</summary>
public UInt32 s_state;
public uint s_state;
/// <summary>0x1F8, magic</summary>
public UInt32 s_magic;
public uint s_magic;
/// <summary>0x1FC, filesystem type (1 = 512 bytes/blk, 2 = 1024 bytes/blk)</summary>
public UInt32 s_type;
public uint s_type;
}
struct SystemVRelease2SuperBlock
{
/// <summary>0x000, index of first data zone</summary>
public UInt16 s_isize;
public ushort s_isize;
/// <summary>0x002, total number of zones of this volume</summary>
public UInt32 s_fsize;
public uint s_fsize;
// the start of the free block list:
/// <summary>0x006, blocks in s_free, &lt;=100</summary>
public UInt16 s_nfree;
public ushort s_nfree;
/// <summary>0x008, 50 entries, first free block list chunk</summary>
public UInt32[] s_free;
public uint[] s_free;
// the cache of free inodes:
/// <summary>0x0D0, number of inodes in s_inode, &lt;= 100</summary>
public UInt16 s_ninode;
public ushort s_ninode;
/// <summary>0x0D2, 100 entries, some free inodes</summary>
public UInt16[] s_inode;
public ushort[] s_inode;
/// <summary>0x19A, free block list manipulation lock</summary>
public byte s_flock;
/// <summary>0x19B, inode cache manipulation lock</summary>
@@ -751,19 +750,19 @@ namespace DiscImageChef.Filesystems
/// <summary>0x19D, read-only mounted flag</summary>
public byte s_ronly;
/// <summary>0x19E, time of last superblock update</summary>
public UInt32 s_time;
public uint s_time;
/// <summary>0x1A2, blocks per cylinder</summary>
public UInt16 s_cylblks;
public ushort s_cylblks;
/// <summary>0x1A4, blocks per gap</summary>
public UInt16 s_gapblks;
public ushort s_gapblks;
/// <summary>0x1A6, device information ??</summary>
public UInt16 s_dinfo0;
public ushort s_dinfo0;
/// <summary>0x1A8, device information ??</summary>
public UInt16 s_dinfo1;
public ushort s_dinfo1;
/// <summary>0x1AA, total number of free zones</summary>
public UInt32 s_tfree;
public uint s_tfree;
/// <summary>0x1AE, total number of free inodes</summary>
public UInt16 s_tinode;
public ushort s_tinode;
/// <summary>0x1B0, 6 bytes, volume name</summary>
public string s_fname;
/// <summary>0x1B6, 6 bytes, pack name</summary>
@@ -771,29 +770,29 @@ namespace DiscImageChef.Filesystems
/// <summary>0x1BC, 56 bytes</summary>
public byte[] s_fill;
/// <summary>0x1F4, if s_state == (0x7C269D38 - s_time) then filesystem is clean</summary>
public UInt32 s_state;
public uint s_state;
/// <summary>0x1F8, magic</summary>
public UInt32 s_magic;
public uint s_magic;
/// <summary>0x1FC, filesystem type (1 = 512 bytes/blk, 2 = 1024 bytes/blk)</summary>
public UInt32 s_type;
public uint s_type;
}
struct UNIX7thEditionSuperBlock
{
/// <summary>0x000, index of first data zone</summary>
public UInt16 s_isize;
public ushort s_isize;
/// <summary>0x002, total number of zones of this volume</summary>
public UInt32 s_fsize;
public uint s_fsize;
// the start of the free block list:
/// <summary>0x006, blocks in s_free, &lt;=100</summary>
public UInt16 s_nfree;
public ushort s_nfree;
/// <summary>0x008, 50 entries, first free block list chunk</summary>
public UInt32[] s_free;
public uint[] s_free;
// the cache of free inodes:
/// <summary>0x0D0, number of inodes in s_inode, &lt;= 100</summary>
public UInt16 s_ninode;
public ushort s_ninode;
/// <summary>0x0D2, 100 entries, some free inodes</summary>
public UInt16[] s_inode;
public ushort[] s_inode;
/// <summary>0x19A, free block list manipulation lock</summary>
public byte s_flock;
/// <summary>0x19B, inode cache manipulation lock</summary>
@@ -803,15 +802,15 @@ namespace DiscImageChef.Filesystems
/// <summary>0x19D, read-only mounted flag</summary>
public byte s_ronly;
/// <summary>0x19E, time of last superblock update</summary>
public UInt32 s_time;
public uint s_time;
/// <summary>0x1A2, total number of free zones</summary>
public UInt32 s_tfree;
public uint s_tfree;
/// <summary>0x1A6, total number of free inodes</summary>
public UInt16 s_tinode;
public ushort s_tinode;
/// <summary>0x1A8, interleave factor</summary>
public UInt16 s_int_m;
public ushort s_int_m;
/// <summary>0x1AA, interleave factor</summary>
public UInt16 s_int_n;
public ushort s_int_n;
/// <summary>0x1AC, 6 bytes, volume name</summary>
public string s_fname;
/// <summary>0x1B2, 6 bytes, pack name</summary>
@@ -821,19 +820,19 @@ namespace DiscImageChef.Filesystems
struct CoherentSuperBlock
{
/// <summary>0x000, index of first data zone</summary>
public UInt16 s_isize;
public ushort s_isize;
/// <summary>0x002, total number of zones of this volume</summary>
public UInt32 s_fsize;
public uint s_fsize;
// the start of the free block list:
/// <summary>0x006, blocks in s_free, &lt;=100</summary>
public UInt16 s_nfree;
public ushort s_nfree;
/// <summary>0x008, 64 entries, first free block list chunk</summary>
public UInt32[] s_free;
public uint[] s_free;
// the cache of free inodes:
/// <summary>0x108, number of inodes in s_inode, &lt;= 100</summary>
public UInt16 s_ninode;
public ushort s_ninode;
/// <summary>0x10A, 100 entries, some free inodes</summary>
public UInt16[] s_inode;
public ushort[] s_inode;
/// <summary>0x1D2, free block list manipulation lock</summary>
public byte s_flock;
/// <summary>0x1D3, inode cache manipulation lock</summary>
@@ -843,21 +842,21 @@ namespace DiscImageChef.Filesystems
/// <summary>0x1D5, read-only mounted flag</summary>
public byte s_ronly;
/// <summary>0x1D6, time of last superblock update</summary>
public UInt32 s_time;
public uint s_time;
/// <summary>0x1DE, total number of free zones</summary>
public UInt32 s_tfree;
public uint s_tfree;
/// <summary>0x1E2, total number of free inodes</summary>
public UInt16 s_tinode;
public ushort s_tinode;
/// <summary>0x1E4, interleave factor</summary>
public UInt16 s_int_m;
public ushort s_int_m;
/// <summary>0x1E6, interleave factor</summary>
public UInt16 s_int_n;
public ushort s_int_n;
/// <summary>0x1E8, 6 bytes, volume name</summary>
public string s_fname;
/// <summary>0x1EE, 6 bytes, pack name</summary>
public string s_fpack;
/// <summary>0x1F4, zero-filled</summary>
public UInt32 s_unique;
public uint s_unique;
}
public override Errno Mount()