internal Superblock(byte[] bytes)
{
Signature = BitConverter.ToUInt16(bytes, 0x38);
if (Signature != EXT2_SUPER_MAGIC)
{
TotalInodeCount = BitConverter.ToUInt32(bytes, 0x00);
TotalBlockCount = BitConverter.ToUInt32(bytes, 0x04);
SuperUserReservedBlockCount = BitConverter.ToUInt32(bytes, 0x08);
FreeBlockCount = BitConverter.ToUInt32(bytes, 0x0C);
FreeInodeCount = BitConverter.ToUInt32(bytes, 0x10);
FirstDataBlock = BitConverter.ToUInt32(bytes, 0x14);
#region BlockSize
uint s_log_block_size = BitConverter.ToUInt32(bytes, 0x18);
BlockSize = (uint)1024 << (ushort)s_log_block_size;
#endregion BlockSize
#region ClusterSize
uint s_log_frag_size = BitConverter.ToUInt32(bytes, 0x1C);
ClusterSize = (uint)1024 << (ushort)s_log_frag_size;
#endregion ClusterSize
BlocksPerGroup = BitConverter.ToUInt32(bytes, 0x20);
ClustersPerGroup = BitConverter.ToUInt32(bytes, 0x24);
InodesPerGroup = BitConverter.ToUInt32(bytes, 0x28);
MountTime = NativeMethods.FromUnixTime(BitConverter.ToUInt32(bytes, 0x2C));
WriteTime = NativeMethods.FromUnixTime(BitConverter.ToUInt32(bytes, 0x30));
MountCount = BitConverter.ToUInt16(bytes, 0x34);
MaxMountCount = BitConverter.ToUInt16(bytes, 0x36);
State = (S_STATE)BitConverter.ToUInt16(bytes, 0x3A);
Errors = (S_ERRORS)BitConverter.ToUInt32(bytes, 0x3C);
MinorRevisionLevel = BitConverter.ToUInt16(bytes, 0x3E);
LastCheckTime = NativeMethods.FromUnixTime(BitConverter.ToUInt32(bytes, 0x40));
CheckInterval = BitConverter.ToUInt32(bytes, 0x44);
CreatorOS = (S_CREATOR_OS)BitConverter.ToUInt32(bytes, 0x48);
RevisionLevel = BitConverter.ToUInt32(bytes, 0x4C);
DefaultUID = BitConverter.ToUInt16(bytes, 0x50);
DefaultGID = BitConverter.ToUInt16(bytes, 0x52);
FirstNonReservedInode = BitConverter.ToUInt32(bytes, 0x54);
InodeSize = BitConverter.ToUInt16(bytes, 0x58);
BlockGroupNumber = BitConverter.ToUInt16(bytes, 0x5A);
FeatureCompat = (S_FEATURE_COMPAT)BitConverter.ToUInt32(bytes, 0x5C);
FeatureIncompat = (S_FEATURE_INCOMPAT)BitConverter.ToUInt32(bytes, 0x60);
FeatureROCompat = (S_FEATURE_RO_COMPAT)BitConverter.ToUInt32(bytes, 0x64);
VolumeUUID = new Guid(NativeMethods.GetSubArray(bytes, 0x68, 0x10));
VolumeName = Encoding.ASCII.GetString(bytes, 0x78, 0x10).TrimEnd('\0');
LastMountedDirectory = Encoding.ASCII.GetString(bytes, 0x88, 0x40).Split('\0')[0];
AlgorithmBitmap = (S_ALGO_BITMAP)BitConverter.ToUInt32(bytes, 0xC8);
PreAllocatedBlocks = bytes[0xCC];
PreAllocatedDirectoryBlocks = bytes[0xCD];
JournalSuperblockUUID = new Guid(NativeMethods.GetSubArray(bytes, 0xD0, 0x10));
JournalInode = BitConverter.ToUInt32(bytes, 0xE0);
JournalDeviceNumber = BitConverter.ToUInt32(bytes, 0xE4);
OrphanListOffset = BitConverter.ToUInt32(bytes, 0xE8);
HTREEHashSeed = BitConverter.ToUInt32(bytes, 0xEC);
HashVersion = (S_DEF_HASH_VERSION)bytes[0xFC];
DefaultMountOptions = (S_DEFAULT_MOUNT_OPTS)BitConverter.ToUInt32(bytes, 0x100);
FirstMetablockBlockGroup = BitConverter.ToUInt32(bytes, 0x104);
}
else
{
throw new Exception("Invalid Superblock Signature.");
}
}
internal Superblock(byte[] bytes)
{
Signature = BitConverter.ToUInt16(bytes, 0x38);
if (Signature != EXT2_SUPER_MAGIC)
{
TotalInodeCount = BitConverter.ToUInt32(bytes, 0x00);
TotalBlockCount = BitConverter.ToUInt32(bytes, 0x04);
SuperUserReservedBlockCount = BitConverter.ToUInt32(bytes, 0x08);
FreeBlockCount = BitConverter.ToUInt32(bytes, 0x0C);
FreeInodeCount = BitConverter.ToUInt32(bytes, 0x10);
FirstDataBlock = BitConverter.ToUInt32(bytes, 0x14);
#region BlockSize
uint s_log_block_size = BitConverter.ToUInt32(bytes, 0x18);
BlockSize = (uint)1024 << (ushort)s_log_block_size;
#endregion BlockSize
#region ClusterSize
uint s_log_frag_size = BitConverter.ToUInt32(bytes, 0x1C);
ClusterSize = (uint)1024 << (ushort)s_log_frag_size;
#endregion ClusterSize
BlocksPerGroup = BitConverter.ToUInt32(bytes, 0x20);
ClustersPerGroup = BitConverter.ToUInt32(bytes, 0x24);
InodesPerGroup = BitConverter.ToUInt32(bytes, 0x28);
MountTime = NativeMethods.FromUnixTime(BitConverter.ToUInt32(bytes, 0x2C));
WriteTime = NativeMethods.FromUnixTime(BitConverter.ToUInt32(bytes, 0x30));
MountCount = BitConverter.ToUInt16(bytes, 0x34);
MaxMountCount = BitConverter.ToUInt16(bytes, 0x36);
State = (S_STATE)BitConverter.ToUInt16(bytes, 0x3A);
Errors = (S_ERRORS)BitConverter.ToUInt32(bytes, 0x3C);
MinorRevisionLevel = BitConverter.ToUInt16(bytes, 0x3E);
LastCheckTime = NativeMethods.FromUnixTime(BitConverter.ToUInt32(bytes, 0x40));
CheckInterval = BitConverter.ToUInt32(bytes, 0x44);
CreatorOS = (S_CREATOR_OS)BitConverter.ToUInt32(bytes, 0x48);
RevisionLevel = BitConverter.ToUInt32(bytes, 0x4C);
DefaultUID = BitConverter.ToUInt16(bytes, 0x50);
DefaultGID = BitConverter.ToUInt16(bytes, 0x52);
FirstNonReservedInode = BitConverter.ToUInt32(bytes, 0x54);
InodeSize = BitConverter.ToUInt16(bytes, 0x58);
BlockGroupNumber = BitConverter.ToUInt16(bytes, 0x5A);
FeatureCompat = (S_FEATURE_COMPAT)BitConverter.ToUInt32(bytes, 0x5C);
FeatureIncompat = (S_FEATURE_INCOMPAT)BitConverter.ToUInt32(bytes, 0x60);
FeatureROCompat = (S_FEATURE_RO_COMPAT)BitConverter.ToUInt32(bytes, 0x64);
VolumeUUID = new Guid(NativeMethods.GetSubArray(bytes, 0x68, 0x10));
VolumeName = Encoding.ASCII.GetString(bytes, 0x78, 0x10).TrimEnd('\0');
LastMountedDirectory = Encoding.ASCII.GetString(bytes, 0x88, 0x40).Split('\0')[0];
AlgorithmBitmap = (S_ALGO_BITMAP)BitConverter.ToUInt32(bytes, 0xC8);
PreAllocatedBlocks = bytes[0xCC];
PreAllocatedDirectoryBlocks = bytes[0xCD];
JournalSuperblockUUID = new Guid(NativeMethods.GetSubArray(bytes, 0xD0, 0x10));
JournalInode = BitConverter.ToUInt32(bytes, 0xE0);
JournalDeviceNumber = BitConverter.ToUInt32(bytes, 0xE4);
OrphanListOffset = BitConverter.ToUInt32(bytes, 0xE8);
HTREEHashSeed = BitConverter.ToUInt32(bytes, 0xEC);
HashVersion = (S_DEF_HASH_VERSION)bytes[0xFC];
DefaultMountOptions = (S_DEFAULT_MOUNT_OPTS)BitConverter.ToUInt32(bytes, 0x100);
FirstMetablockBlockGroup = BitConverter.ToUInt32(bytes, 0x104);
}
else
{
throw new Exception("Invalid Superblock Signature.");
}
}
