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[Aaru.Filesystems] Reformat and cleanup.

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This commit is contained in:
Natalia Portillo
2023-10-03 23:22:08 +01:00
parent 51f35c80d9
commit 7a608e0061
296 changed files with 21000 additions and 18286 deletions
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131
Aaru.Filesystems/SysV/Info.cs
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@@ -43,10 +43,13 @@ namespace Aaru.Filesystems;
// Information from the Linux kernel
/// <inheritdoc />
/// <summary>Implements detection of the UNIX System V filesystem</summary>
[SuppressMessage("ReSharper", "InconsistentNaming"), SuppressMessage("ReSharper", "UnusedMember.Local"),
SuppressMessage("ReSharper", "UnusedType.Local")]
[SuppressMessage("ReSharper", "InconsistentNaming")]
[SuppressMessage("ReSharper", "UnusedMember.Local")]
[SuppressMessage("ReSharper", "UnusedType.Local")]
public sealed partial class SysVfs
{
#region IFilesystem Members
/// <inheritdoc />
public bool Identify(IMediaImage imagePlugin, Partition partition)
{
@@ -62,12 +65,12 @@ public sealed partial class SysVfs
sb_size_in_sectors = 1; // If not a single sector can store it
if(partition.End <=
partition.Start + (4 * (ulong)sb_size_in_sectors) +
partition.Start + 4 * (ulong)sb_size_in_sectors +
sb_size_in_sectors) // Device must be bigger than SB location + SB size + offset
return false;
// Sectors in a cylinder
int spc = (int)(imagePlugin.Info.Heads * imagePlugin.Info.SectorsPerTrack);
var spc = (int)(imagePlugin.Info.Heads * imagePlugin.Info.SectorsPerTrack);
// Superblock can start on 0x000, 0x200, 0x600 and 0x800, not aligned, so we assume 16 (128 bytes/sector) sectors as a safe value
int[] locations =
@@ -88,7 +91,7 @@ public sealed partial class SysVfs
sb_sector.Length < 0x400)
continue;
uint magic = BitConverter.ToUInt32(sb_sector, 0x3F8);
var magic = BitConverter.ToUInt32(sb_sector, 0x3F8);
if(magic is XENIX_MAGIC or XENIX_CIGAM or SYSV_MAGIC or SYSV_CIGAM)
return true;
@@ -103,21 +106,21 @@ public sealed partial class SysVfs
if(magic is XENIX_MAGIC or XENIX_CIGAM)
return true;
byte[] coherent_string = new byte[6];
var coherent_string = new byte[6];
Array.Copy(sb_sector, 0x1E4, coherent_string, 0, 6); // Coherent UNIX s_fname location
string s_fname = StringHandlers.CToString(coherent_string);
Array.Copy(sb_sector, 0x1EA, coherent_string, 0, 6); // Coherent UNIX s_fpack location
string s_fpack = StringHandlers.CToString(coherent_string);
if((s_fname == COH_FNAME && s_fpack == COH_FPACK) ||
(s_fname == COH_XXXXX && s_fpack == COH_XXXXX) ||
(s_fname == COH_XXXXS && s_fpack == COH_XXXXN))
if(s_fname == COH_FNAME && s_fpack == COH_FPACK ||
s_fname == COH_XXXXX && s_fpack == COH_XXXXX ||
s_fname == COH_XXXXS && s_fpack == COH_XXXXN)
return true;
// Now try to identify 7th edition
uint s_fsize = BitConverter.ToUInt32(sb_sector, 0x002);
ushort s_nfree = BitConverter.ToUInt16(sb_sector, 0x006);
ushort s_ninode = BitConverter.ToUInt16(sb_sector, 0x0D0);
var s_fsize = BitConverter.ToUInt32(sb_sector, 0x002);
var s_nfree = BitConverter.ToUInt16(sb_sector, 0x006);
var s_ninode = BitConverter.ToUInt16(sb_sector, 0x0D0);
if(s_fsize is <= 0 or >= 0xFFFFFFFF ||
s_nfree is <= 0 or >= 0xFFFF ||
@@ -163,16 +166,16 @@ public sealed partial class SysVfs
metadata = new FileSystem();
var sb = new StringBuilder();
bool bigEndian = false; // Start in little endian until we know what are we handling here
int start = 0;
bool xenix = false;
bool sysv = false;
bool sys7th = false;
bool coherent = false;
bool xenix3 = false;
var bigEndian = false; // Start in little endian until we know what are we handling here
var start = 0;
var xenix = false;
var sysv = false;
var sys7th = false;
var coherent = false;
var xenix3 = false;
byte[] sb_sector;
byte sb_size_in_sectors;
int offset = 0;
var offset = 0;
if(imagePlugin.Info.SectorSize <=
0x400) // Check if underlying device sector size is smaller than SuperBlock size
@@ -181,7 +184,7 @@ public sealed partial class SysVfs
sb_size_in_sectors = 1; // If not a single sector can store it
// Sectors in a cylinder
int spc = (int)(imagePlugin.Info.Heads * imagePlugin.Info.SectorsPerTrack);
var spc = (int)(imagePlugin.Info.Heads * imagePlugin.Info.SectorsPerTrack);
// Superblock can start on 0x000, 0x200, 0x600 and 0x800, not aligned, so we assume 16 (128 bytes/sector) sectors as a safe value
int[] locations =
@@ -201,7 +204,7 @@ public sealed partial class SysVfs
if(errno != ErrorNumber.NoError)
continue;
uint magic = BitConverter.ToUInt32(sb_sector, 0x3F8);
var magic = BitConverter.ToUInt32(sb_sector, 0x3F8);
if(magic is XENIX_MAGIC or SYSV_MAGIC)
{
@@ -273,15 +276,15 @@ public sealed partial class SysVfs
break;
}
byte[] coherent_string = new byte[6];
var coherent_string = new byte[6];
Array.Copy(sb_sector, 0x1E4, coherent_string, 0, 6); // Coherent UNIX s_fname location
string s_fname = StringHandlers.CToString(coherent_string, encoding);
Array.Copy(sb_sector, 0x1EA, coherent_string, 0, 6); // Coherent UNIX s_fpack location
string s_fpack = StringHandlers.CToString(coherent_string, encoding);
if((s_fname == COH_FNAME && s_fpack == COH_FPACK) ||
(s_fname == COH_XXXXX && s_fpack == COH_XXXXX) ||
(s_fname == COH_XXXXS && s_fpack == COH_XXXXN))
if(s_fname == COH_FNAME && s_fpack == COH_FPACK ||
s_fname == COH_XXXXX && s_fpack == COH_XXXXX ||
s_fname == COH_XXXXS && s_fpack == COH_XXXXN)
{
coherent = true;
start = i;
@@ -290,9 +293,9 @@ public sealed partial class SysVfs
}
// Now try to identify 7th edition
uint s_fsize = BitConverter.ToUInt32(sb_sector, 0x002);
ushort s_nfree = BitConverter.ToUInt16(sb_sector, 0x006);
ushort s_ninode = BitConverter.ToUInt16(sb_sector, 0x0D0);
var s_fsize = BitConverter.ToUInt32(sb_sector, 0x002);
var s_nfree = BitConverter.ToUInt16(sb_sector, 0x006);
var s_ninode = BitConverter.ToUInt16(sb_sector, 0x0D0);
if(s_fsize is <= 0 or >= 0xFFFFFFFF ||
s_nfree is <= 0 or >= 0xFFFF ||
@@ -342,8 +345,8 @@ public sealed partial class SysVfs
if(xenix || xenix3)
{
byte[] xenix_strings = new byte[6];
var xnx_sb = new XenixSuperBlock();
var xenix_strings = new byte[6];
var xnx_sb = new XenixSuperBlock();
errno = imagePlugin.ReadSectors((ulong)start + partition.Start, sb_size_in_sectors, out sb_sector);
if(errno != ErrorNumber.NoError)
@@ -449,16 +452,24 @@ public sealed partial class SysVfs
if(imagePlugin.Info.SectorSize is 2336 or 2352 or 2448)
{
if(bs != 2048)
{
sb.
AppendFormat(Localization.WARNING_Filesystem_indicates_0_bytes_block_while_device_indicates_1_bytes_block,
bs, 2048).AppendLine();
AppendFormat(
Localization.
WARNING_Filesystem_indicates_0_bytes_block_while_device_indicates_1_bytes_block,
bs, 2048).AppendLine();
}
}
else
{
if(bs != imagePlugin.Info.SectorSize)
{
sb.
AppendFormat(Localization.WARNING_Filesystem_indicates_0_bytes_block_while_device_indicates_1_bytes_block,
bs, imagePlugin.Info.SectorSize).AppendLine();
AppendFormat(
Localization.
WARNING_Filesystem_indicates_0_bytes_block_while_device_indicates_1_bytes_block,
bs, imagePlugin.Info.SectorSize).AppendLine();
}
}
sb.AppendFormat(Localization._0_zones_in_volume_1_bytes, xnx_sb.s_fsize, xnx_sb.s_fsize * bs).AppendLine();
@@ -475,9 +486,9 @@ public sealed partial class SysVfs
sb.AppendFormat(Localization._0_blocks_per_gap_1_bytes, xnx_sb.s_gapblks, xnx_sb.s_gapblks * bs).
AppendLine();
sb.AppendFormat(Localization.First_data_zone_0, xnx_sb.s_isize).AppendLine();
sb.AppendFormat(Localization.First_data_zone_0, xnx_sb.s_isize).AppendLine();
sb.AppendFormat(Localization._0_free_inodes_on_volume, xnx_sb.s_tinode).AppendLine();
sb.AppendFormat(Localization._0_free_inodes_on_list, xnx_sb.s_ninode).AppendLine();
sb.AppendFormat(Localization._0_free_inodes_on_list, xnx_sb.s_ninode).AppendLine();
if(xnx_sb.s_flock > 0)
sb.AppendLine(Localization.Free_block_list_is_locked);
@@ -495,9 +506,7 @@ public sealed partial class SysVfs
AppendLine();
if(xnx_sb.s_time != 0)
{
metadata.ModificationDate = DateHandlers.UnixToDateTime(xnx_sb.s_time);
}
sb.AppendFormat(Localization.Volume_name_0, xnx_sb.s_fname).AppendLine();
metadata.VolumeName = xnx_sb.s_fname;
@@ -519,7 +528,7 @@ public sealed partial class SysVfs
if(errno != ErrorNumber.NoError)
return;
byte[] sysv_strings = new byte[6];
var sysv_strings = new byte[6];
var sysv_sb = new SystemVRelease4SuperBlock
{
@@ -649,9 +658,9 @@ public sealed partial class SysVfs
sb.AppendFormat(Localization._0_blocks_per_gap_1_bytes, sysv_sb.s_gapblks, sysv_sb.s_gapblks * bs).
AppendLine();
sb.AppendFormat(Localization.First_data_zone_0, sysv_sb.s_isize).AppendLine();
sb.AppendFormat(Localization.First_data_zone_0, sysv_sb.s_isize).AppendLine();
sb.AppendFormat(Localization._0_free_inodes_on_volume, sysv_sb.s_tinode).AppendLine();
sb.AppendFormat(Localization._0_free_inodes_on_list, sysv_sb.s_ninode).AppendLine();
sb.AppendFormat(Localization._0_free_inodes_on_list, sysv_sb.s_ninode).AppendLine();
if(sysv_sb.s_flock > 0)
sb.AppendLine(Localization.Free_block_list_is_locked);
@@ -669,9 +678,7 @@ public sealed partial class SysVfs
DateHandlers.UnixUnsignedToDateTime(sysv_sb.s_time)).AppendLine();
if(sysv_sb.s_time != 0)
{
metadata.ModificationDate = DateHandlers.UnixUnsignedToDateTime(sysv_sb.s_time);
}
sb.AppendFormat(Localization.Volume_name_0, sysv_sb.s_fname).AppendLine();
metadata.VolumeName = sysv_sb.s_fname;
@@ -693,8 +700,8 @@ public sealed partial class SysVfs
if(errno != ErrorNumber.NoError)
return;
var coh_sb = new CoherentSuperBlock();
byte[] coh_strings = new byte[6];
var coh_sb = new CoherentSuperBlock();
var coh_strings = new byte[6];
coh_sb.s_isize = BitConverter.ToUInt16(sb_sector, 0x000);
coh_sb.s_fsize = Swapping.PDPFromLittleEndian(BitConverter.ToUInt32(sb_sector, 0x002));
@@ -721,9 +728,12 @@ public sealed partial class SysVfs
sb.AppendLine(Localization.Coherent_UNIX_filesystem);
if(imagePlugin.Info.SectorSize != 512)
{
sb.
AppendFormat(Localization.WARNING_Filesystem_indicates_0_bytes_block_while_device_indicates_1_bytes_block,
512, 2048).AppendLine();
AppendFormat(
Localization.WARNING_Filesystem_indicates_0_bytes_block_while_device_indicates_1_bytes_block,
512, 2048).AppendLine();
}
sb.AppendFormat(Localization._0_zones_in_volume_1_bytes, coh_sb.s_fsize, coh_sb.s_fsize * 512).AppendLine();
@@ -733,9 +743,9 @@ public sealed partial class SysVfs
sb.AppendFormat(Localization._0_free_blocks_on_list_1_bytes, coh_sb.s_nfree, coh_sb.s_nfree * 512).
AppendLine();
sb.AppendFormat(Localization.First_data_zone_0, coh_sb.s_isize).AppendLine();
sb.AppendFormat(Localization.First_data_zone_0, coh_sb.s_isize).AppendLine();
sb.AppendFormat(Localization._0_free_inodes_on_volume, coh_sb.s_tinode).AppendLine();
sb.AppendFormat(Localization._0_free_inodes_on_list, coh_sb.s_ninode).AppendLine();
sb.AppendFormat(Localization._0_free_inodes_on_list, coh_sb.s_ninode).AppendLine();
if(coh_sb.s_flock > 0)
sb.AppendLine(Localization.Free_block_list_is_locked);
@@ -753,9 +763,7 @@ public sealed partial class SysVfs
DateHandlers.UnixUnsignedToDateTime(coh_sb.s_time)).AppendLine();
if(coh_sb.s_time != 0)
{
metadata.ModificationDate = DateHandlers.UnixUnsignedToDateTime(coh_sb.s_time);
}
sb.AppendFormat(Localization.Volume_name_0, coh_sb.s_fname).AppendLine();
metadata.VolumeName = coh_sb.s_fname;
@@ -769,8 +777,8 @@ public sealed partial class SysVfs
if(errno != ErrorNumber.NoError)
return;
var v7_sb = new UNIX7thEditionSuperBlock();
byte[] sys7_strings = new byte[6];
var v7_sb = new UNIX7thEditionSuperBlock();
var sys7_strings = new byte[6];
v7_sb.s_isize = BitConverter.ToUInt16(sb_sector, 0x000);
v7_sb.s_fsize = BitConverter.ToUInt32(sb_sector, 0x002);
@@ -796,9 +804,12 @@ public sealed partial class SysVfs
sb.AppendLine(Localization.UNIX_7th_Edition_filesystem);
if(imagePlugin.Info.SectorSize != 512)
{
sb.
AppendFormat(Localization.WARNING_Filesystem_indicates_0_bytes_block_while_device_indicates_1_bytes_block,
512, 2048).AppendLine();
AppendFormat(
Localization.WARNING_Filesystem_indicates_0_bytes_block_while_device_indicates_1_bytes_block,
512, 2048).AppendLine();
}
sb.AppendFormat(Localization._0_zones_in_volume_1_bytes, v7_sb.s_fsize, v7_sb.s_fsize * 512).AppendLine();
@@ -808,9 +819,9 @@ public sealed partial class SysVfs
sb.AppendFormat(Localization._0_free_blocks_on_list_1_bytes, v7_sb.s_nfree, v7_sb.s_nfree * 512).
AppendLine();
sb.AppendFormat(Localization.First_data_zone_0, v7_sb.s_isize).AppendLine();
sb.AppendFormat(Localization.First_data_zone_0, v7_sb.s_isize).AppendLine();
sb.AppendFormat(Localization._0_free_inodes_on_volume, v7_sb.s_tinode).AppendLine();
sb.AppendFormat(Localization._0_free_inodes_on_list, v7_sb.s_ninode).AppendLine();
sb.AppendFormat(Localization._0_free_inodes_on_list, v7_sb.s_ninode).AppendLine();
if(v7_sb.s_flock > 0)
sb.AppendLine(Localization.Free_block_list_is_locked);
@@ -828,9 +839,7 @@ public sealed partial class SysVfs
DateHandlers.UnixUnsignedToDateTime(v7_sb.s_time)).AppendLine();
if(v7_sb.s_time != 0)
{
metadata.ModificationDate = DateHandlers.UnixUnsignedToDateTime(v7_sb.s_time);
}
sb.AppendFormat(Localization.Volume_name_0, v7_sb.s_fname).AppendLine();
metadata.VolumeName = v7_sb.s_fname;
@@ -839,4 +848,6 @@ public sealed partial class SysVfs
information = sb.ToString();
}
#endregion
}