internal Checksum()
{
_crc32Ctx = new Crc32Context();
_md5Ctx = new Md5Context();
_sha1Ctx = new Sha1Context();
_sha256Ctx = new Sha256Context();
_sha384Ctx = new Sha384Context();
_sha512Ctx = new Sha512Context();
_crc32Thread = new Thread(UpdateCrc32);
_md5Thread = new Thread(UpdateMd5);
_sha1Thread = new Thread(UpdateSha1);
_sha256Thread = new Thread(UpdateSha256);
_sha384Thread = new Thread(UpdateSha384);
_sha512Thread = new Thread(UpdateSha512);
_crc32Pkt = new Crc32Packet();
_md5Pkt = new Md5Packet();
_sha1Pkt = new Sha1Packet();
_sha256Pkt = new Sha256Packet();
_sha384Pkt = new Sha384Packet();
_sha512Pkt = new Sha512Packet();
_crc32Pkt.context = _crc32Ctx;
_md5Pkt.context = _md5Ctx;
_sha1Pkt.context = _sha1Ctx;
_sha256Pkt.context = _sha256Ctx;
_sha384Pkt.context = _sha384Ctx;
_sha512Pkt.context = _sha512Ctx;
}
public bool?VerifyMediaImage()
{
byte[] calculated;
if (mapVersion >= 3)
{
Sha1Context sha1Ctx = new Sha1Context();
for (uint i = 0; i < totalHunks; i++)
{
sha1Ctx.Update(GetHunk(i));
}
calculated = sha1Ctx.Final();
}
else
{
Md5Context md5Ctx = new Md5Context();
for (uint i = 0; i < totalHunks; i++)
{
md5Ctx.Update(GetHunk(i));
}
calculated = md5Ctx.Final();
}
return(expectedChecksum.SequenceEqual(calculated));
}
public void Sha1RandomData()
{
byte[] data = new byte[1048576];
FileStream fs = new FileStream(Path.Combine(Consts.TestFilesRoot, "checksums", "random"), FileMode.Open,
FileAccess.Read);
fs.Read(data, 0, 1048576);
fs.Close();
fs.Dispose();
Sha1Context.Data(data, out byte[] result);
Assert.AreEqual(ExpectedRandom, result);
}
public void Sha1EmptyData()
{
byte[] data = new byte[1048576];
var fs = new FileStream(Path.Combine(Consts.TEST_FILES_ROOT, "Checksum test files", "empty"), FileMode.Open,
FileAccess.Read);
fs.Read(data, 0, 1048576);
fs.Close();
fs.Dispose();
Sha1Context.Data(data, out byte[] result);
Assert.AreEqual(_expectedEmpty, result);
}
public void RandomData()
{
byte[] data = new byte[1048576];
var fs = new FileStream(Path.Combine(Consts.TEST_FILES_ROOT, "Checksum test files", "random"),
FileMode.Open, FileAccess.Read);
fs.Read(data, 0, 1048576);
fs.Close();
fs.Dispose();
Sha1Context.Data(data, out byte[] result);
result.Should().BeEquivalentTo(_expectedRandom);
}
public EntropyResults CalculateMediaEntropy(bool duplicatedSectors)
{
var entropy = new EntropyResults
{
Entropy = 0
};
ulong[] entTable = new ulong[256];
ulong diskSize = 0;
List <string> uniqueSectors = new List <string>();
entropy.Sectors = inputFormat.Info.Sectors;
AaruConsole.WriteLine("Sectors {0}", entropy.Sectors);
InitProgressEvent?.Invoke();
for (ulong i = 0; i < entropy.Sectors; i++)
{
UpdateProgressEvent?.Invoke($"Entropying sector {i + 1}", (long)(i + 1), (long)entropy.Sectors);
byte[] sector = inputFormat.ReadSector(i);
if (duplicatedSectors)
{
string sectorHash = Sha1Context.Data(sector, out _);
if (!uniqueSectors.Contains(sectorHash))
{
uniqueSectors.Add(sectorHash);
}
}
foreach (byte b in sector)
{
entTable[b]++;
}
diskSize += (ulong)sector.LongLength;
}
EndProgressEvent?.Invoke();
entropy.Entropy += entTable.Select(l => (double)l / (double)diskSize).
Select(frequency => - (frequency * Math.Log(frequency, 2))).Sum();
if (duplicatedSectors)
{
entropy.UniqueSectors = uniqueSectors.Count;
}
return(entropy);
}
internal Checksum()
{
adler32ctx = new Adler32Context();
crc16ctx = new Crc16Context();
crc32ctx = new Crc32Context();
crc64ctx = new Crc64Context();
md5ctx = new Md5Context();
ripemd160ctx = new Ripemd160Context();
sha1ctx = new Sha1Context();
sha256ctx = new Sha256Context();
sha384ctx = new Sha384Context();
sha512ctx = new Sha512Context();
ssctx = new SpamSumContext();
adlerThread = new Thread(updateAdler);
crc16Thread = new Thread(updateCRC16);
crc32Thread = new Thread(updateCRC32);
crc64Thread = new Thread(updateCRC64);
md5Thread = new Thread(updateMD5);
ripemd160Thread = new Thread(updateRIPEMD160);
sha1Thread = new Thread(updateSHA1);
sha256Thread = new Thread(updateSHA256);
sha384Thread = new Thread(updateSHA384);
sha512Thread = new Thread(updateSHA512);
spamsumThread = new Thread(updateSpamSum);
adlerPkt = new adlerPacket();
crc16Pkt = new crc16Packet();
crc32Pkt = new crc32Packet();
crc64Pkt = new crc64Packet();
md5Pkt = new md5Packet();
ripemd160Pkt = new ripemd160Packet();
sha1Pkt = new sha1Packet();
sha256Pkt = new sha256Packet();
sha384Pkt = new sha384Packet();
sha512Pkt = new sha512Packet();
spamsumPkt = new spamsumPacket();
adlerPkt.context = adler32ctx;
crc16Pkt.context = crc16ctx;
crc32Pkt.context = crc32ctx;
crc64Pkt.context = crc64ctx;
md5Pkt.context = md5ctx;
ripemd160Pkt.context = ripemd160ctx;
sha1Pkt.context = sha1ctx;
sha256Pkt.context = sha256ctx;
sha384Pkt.context = sha384ctx;
sha512Pkt.context = sha512ctx;
spamsumPkt.context = ssctx;
}
public void Sha1EmptyInstance()
{
byte[] data = new byte[1048576];
FileStream fs = new FileStream(Path.Combine(Consts.TestFilesRoot, "checksums", "empty"), FileMode.Open,
FileAccess.Read);
fs.Read(data, 0, 1048576);
fs.Close();
fs.Dispose();
IChecksum ctx = new Sha1Context();
ctx.Update(data);
byte[] result = ctx.Final();
Assert.AreEqual(ExpectedEmpty, result);
}
public void Sha1RandomInstance()
{
byte[] data = new byte[1048576];
var fs = new FileStream(Path.Combine(Consts.TEST_FILES_ROOT, "Checksum test files", "random"),
FileMode.Open, FileAccess.Read);
fs.Read(data, 0, 1048576);
fs.Close();
fs.Dispose();
IChecksum ctx = new Sha1Context();
ctx.Update(data);
byte[] result = ctx.Final();
Assert.AreEqual(_expectedRandom, result);
}
public void EmptyInstance()
{
byte[] data = new byte[1048576];
var fs = new FileStream(Path.Combine(Consts.TEST_FILES_ROOT, "Checksum test files", "empty"), FileMode.Open,
FileAccess.Read);
fs.Read(data, 0, 1048576);
fs.Close();
fs.Dispose();
IChecksum ctx = new Sha1Context();
ctx.Update(data);
byte[] result = ctx.Final();
result.Should().BeEquivalentTo(_expectedEmpty);
}
public void Sha1RandomFile()
{
byte[] result = Sha1Context.File(Path.Combine(Consts.TEST_FILES_ROOT, "Checksum test files", "random"));
Assert.AreEqual(_expectedRandom, result);
}
public void EmptyFile()
{
byte[] result = Sha1Context.File(Path.Combine(Consts.TEST_FILES_ROOT, "Checksum test files", "empty"));
result.Should().BeEquivalentTo(_expectedEmpty);
}
public void GetInformation(IMediaImage imagePlugin, Partition partition, out string information,
Encoding encoding)
{
Encoding = encoding ?? Encoding.ASCII;
information = "";
StringBuilder isoMetadata = new StringBuilder();
byte[] vdMagic = new byte[5]; // Volume Descriptor magic "CD001"
byte[] hsMagic = new byte[5]; // Volume Descriptor magic "CDROM"
string bootSpec = "";
PrimaryVolumeDescriptor?pvd = null;
PrimaryVolumeDescriptor?jolietvd = null;
BootRecord?bvd = null;
HighSierraPrimaryVolumeDescriptor?hsvd = null;
FileStructureVolumeDescriptor? fsvd = null;
ElToritoBootRecord?torito = null;
// ISO9660 is designed for 2048 bytes/sector devices
if (imagePlugin.Info.SectorSize < 2048)
{
return;
}
// ISO9660 Primary Volume Descriptor starts at sector 16, so that's minimal size.
if (partition.End < 16)
{
return;
}
ulong counter = 0;
byte[] vdSector = imagePlugin.ReadSector(16 + counter + partition.Start);
int xaOff = vdSector.Length == 2336 ? 8 : 0;
Array.Copy(vdSector, 0x009 + xaOff, hsMagic, 0, 5);
bool highSierra = Encoding.GetString(hsMagic) == HIGH_SIERRA_MAGIC;
int hsOff = 0;
if (highSierra)
{
hsOff = 8;
}
bool cdi = false;
while (true)
{
DicConsole.DebugWriteLine("ISO9660 plugin", "Processing VD loop no. {0}", counter);
// Seek to Volume Descriptor
DicConsole.DebugWriteLine("ISO9660 plugin", "Reading sector {0}", 16 + counter + partition.Start);
byte[] vdSectorTmp = imagePlugin.ReadSector(16 + counter + partition.Start);
vdSector = new byte[vdSectorTmp.Length - xaOff];
Array.Copy(vdSectorTmp, xaOff, vdSector, 0, vdSector.Length);
byte vdType = vdSector[0 + hsOff]; // Volume Descriptor Type, should be 1 or 2.
DicConsole.DebugWriteLine("ISO9660 plugin", "VDType = {0}", vdType);
if (vdType == 255) // Supposedly we are in the PVD.
{
if (counter == 0)
{
return;
}
break;
}
Array.Copy(vdSector, 0x001, vdMagic, 0, 5);
Array.Copy(vdSector, 0x009, hsMagic, 0, 5);
if (Encoding.GetString(vdMagic) != ISO_MAGIC && Encoding.GetString(hsMagic) != HIGH_SIERRA_MAGIC &&
Encoding.GetString(vdMagic) != CDI_MAGIC
) // Recognized, it is an ISO9660, now check for rest of data.
{
if (counter == 0)
{
return;
}
break;
}
cdi |= Encoding.GetString(vdMagic) == CDI_MAGIC;
switch (vdType)
{
case 0:
{
IntPtr ptr = Marshal.AllocHGlobal(2048);
Marshal.Copy(vdSector, hsOff, ptr, 2048 - hsOff);
bvd = (BootRecord)Marshal.PtrToStructure(ptr, typeof(BootRecord));
Marshal.FreeHGlobal(ptr);
bootSpec = "Unknown";
if (Encoding.GetString(bvd.Value.system_id).Substring(0, 23) == "EL TORITO SPECIFICATION")
{
bootSpec = "El Torito";
ptr = Marshal.AllocHGlobal(2048);
Marshal.Copy(vdSector, hsOff, ptr, 2048 - hsOff);
torito = (ElToritoBootRecord)Marshal.PtrToStructure(ptr, typeof(ElToritoBootRecord));
Marshal.FreeHGlobal(ptr);
}
break;
}
case 1:
{
if (highSierra)
{
IntPtr ptr = Marshal.AllocHGlobal(2048);
Marshal.Copy(vdSector, 0, ptr, 2048);
hsvd =
(HighSierraPrimaryVolumeDescriptor)
Marshal.PtrToStructure(ptr, typeof(HighSierraPrimaryVolumeDescriptor));
Marshal.FreeHGlobal(ptr);
}
else if (cdi)
{
fsvd =
BigEndianMarshal.ByteArrayToStructureBigEndian <FileStructureVolumeDescriptor>(vdSector);
}
else
{
IntPtr ptr = Marshal.AllocHGlobal(2048);
Marshal.Copy(vdSector, 0, ptr, 2048);
pvd = (PrimaryVolumeDescriptor)Marshal.PtrToStructure(ptr, typeof(PrimaryVolumeDescriptor));
Marshal.FreeHGlobal(ptr);
}
break;
}
case 2:
{
IntPtr ptr = Marshal.AllocHGlobal(2048);
Marshal.Copy(vdSector, 0, ptr, 2048);
PrimaryVolumeDescriptor svd =
(PrimaryVolumeDescriptor)Marshal.PtrToStructure(ptr, typeof(PrimaryVolumeDescriptor));
Marshal.FreeHGlobal(ptr);
// Check if this is Joliet
if (svd.escape_sequences[0] == '%' && svd.escape_sequences[1] == '/')
{
if (svd.escape_sequences[2] == '@' || svd.escape_sequences[2] == 'C' ||
svd.escape_sequences[2] == 'E')
{
jolietvd = svd;
}
else
{
DicConsole.WriteLine("ISO9660 plugin", "Found unknown supplementary volume descriptor");
}
}
break;
}
}
counter++;
}
DecodedVolumeDescriptor decodedVd;
DecodedVolumeDescriptor decodedJolietVd = new DecodedVolumeDescriptor();
XmlFsType = new FileSystemType();
if (pvd == null && hsvd == null && fsvd == null)
{
information = "ERROR: Could not find primary volume descriptor";
return;
}
if (highSierra)
{
decodedVd = DecodeVolumeDescriptor(hsvd.Value);
}
else if (cdi)
{
decodedVd = DecodeVolumeDescriptor(fsvd.Value);
}
else
{
decodedVd = DecodeVolumeDescriptor(pvd.Value);
}
if (jolietvd != null)
{
decodedJolietVd = DecodeJolietDescriptor(jolietvd.Value);
}
uint rootLocation = 0;
uint rootSize = 0;
// No need to read root on CD-i, as extensions are not supported...
if (!cdi)
{
rootLocation = highSierra
? hsvd.Value.root_directory_record.extent
: pvd.Value.root_directory_record.extent;
if (highSierra)
{
rootSize = hsvd.Value.root_directory_record.size / hsvd.Value.logical_block_size;
if (hsvd.Value.root_directory_record.size % hsvd.Value.logical_block_size > 0)
{
rootSize++;
}
}
else
{
rootSize = pvd.Value.root_directory_record.size / pvd.Value.logical_block_size;
if (pvd.Value.root_directory_record.size % pvd.Value.logical_block_size > 0)
{
rootSize++;
}
}
}
byte[] rootDir = new byte[0];
int rootOff = 0;
bool xaExtensions = false;
bool apple = false;
bool susp = false;
bool rrip = false;
bool ziso = false;
bool amiga = false;
bool aaip = false;
List <ContinuationArea> contareas = new List <ContinuationArea>();
List <byte[]> refareas = new List <byte[]>();
StringBuilder suspInformation = new StringBuilder();
if (rootLocation + rootSize < imagePlugin.Info.Sectors)
{
rootDir = imagePlugin.ReadSectors(rootLocation, rootSize);
}
BigEndianBitConverter.IsLittleEndian = BitConverter.IsLittleEndian;
// Walk thru root directory to see system area extensions in use
while (rootOff + Marshal.SizeOf(typeof(DirectoryRecord)) < rootDir.Length && !cdi)
{
DirectoryRecord record = new DirectoryRecord();
IntPtr ptr = Marshal.AllocHGlobal(Marshal.SizeOf(record));
Marshal.Copy(rootDir, rootOff, ptr, Marshal.SizeOf(record));
record = (DirectoryRecord)Marshal.PtrToStructure(ptr, typeof(DirectoryRecord));
Marshal.FreeHGlobal(ptr);
int saOff = Marshal.SizeOf(record) + record.name_len;
saOff += saOff % 2;
int saLen = record.length - saOff;
if (saLen > 0 && rootOff + saOff + saLen <= rootDir.Length)
{
byte[] sa = new byte[saLen];
Array.Copy(rootDir, rootOff + saOff, sa, 0, saLen);
saOff = 0;
while (saOff < saLen)
{
bool noneFound = true;
if (Marshal.SizeOf(typeof(CdromXa)) + saOff <= saLen)
{
CdromXa xa = BigEndianMarshal.ByteArrayToStructureBigEndian <CdromXa>(sa);
if (xa.signature == XA_MAGIC)
{
xaExtensions = true;
saOff += Marshal.SizeOf(typeof(CdromXa));
noneFound = false;
}
}
if (saOff + 2 >= saLen)
{
break;
}
ushort nextSignature = BigEndianBitConverter.ToUInt16(sa, saOff);
switch (nextSignature)
{
// Easy, contains size field
case APPLE_MAGIC:
apple = true;
saOff += sa[saOff + 2];
noneFound = false;
break;
// Not easy, contains size field
case APPLE_MAGIC_OLD:
apple = true;
AppleOldId appleId = (AppleOldId)sa[saOff + 2];
noneFound = false;
switch (appleId)
{
case AppleOldId.ProDOS:
saOff += Marshal.SizeOf(typeof(AppleProDOSOldSystemUse));
break;
case AppleOldId.TypeCreator:
case AppleOldId.TypeCreatorBundle:
saOff += Marshal.SizeOf(typeof(AppleHFSTypeCreatorSystemUse));
break;
case AppleOldId.TypeCreatorIcon:
case AppleOldId.TypeCreatorIconBundle:
saOff += Marshal.SizeOf(typeof(AppleHFSIconSystemUse));
break;
case AppleOldId.HFS:
saOff += Marshal.SizeOf(typeof(AppleHFSOldSystemUse));
break;
}
break;
// IEEE-P1281 aka SUSP 1.12
case SUSP_INDICATOR:
susp = true;
saOff += sa[saOff + 2];
noneFound = false;
while (saOff + 2 < saLen)
{
nextSignature = BigEndianBitConverter.ToUInt16(sa, saOff);
switch (nextSignature)
{
case APPLE_MAGIC:
if (sa[saOff + 3] == 1 && sa[saOff + 2] == 7)
{
apple = true;
}
else
{
apple |= sa[saOff + 3] != 1;
}
break;
case SUSP_CONTINUATION when saOff + sa[saOff + 2] <= saLen:
byte[] ce = new byte[sa[saOff + 2]];
Array.Copy(sa, saOff, ce, 0, ce.Length);
ContinuationArea ca = BigEndianMarshal
.ByteArrayToStructureBigEndian <ContinuationArea>(ce);
contareas.Add(ca);
break;
case SUSP_REFERENCE when saOff + sa[saOff + 2] <= saLen:
byte[] er = new byte[sa[saOff + 2]];
Array.Copy(sa, saOff, er, 0, er.Length);
refareas.Add(er);
break;
}
rrip |= nextSignature == RRIP_MAGIC ||
nextSignature == RRIP_POSIX_ATTRIBUTES ||
nextSignature == RRIP_POSIX_DEV_NO ||
nextSignature == RRIP_SYMLINK ||
nextSignature == RRIP_NAME ||
nextSignature == RRIP_CHILDLINK ||
nextSignature == RRIP_PARENTLINK ||
nextSignature == RRIP_RELOCATED_DIR ||
nextSignature == RRIP_TIMESTAMPS || nextSignature == RRIP_SPARSE;
ziso |= nextSignature == ZISO_MAGIC;
amiga |= nextSignature == AMIGA_MAGIC;
aaip |= nextSignature == AAIP_MAGIC || nextSignature == AAIP_MAGIC_OLD &&
sa[saOff + 3] == 1 &&
sa[saOff + 2] >= 9;
saOff += sa[saOff + 2];
if (nextSignature == SUSP_TERMINATOR)
{
break;
}
}
break;
}
if (noneFound)
{
break;
}
}
}
rootOff += record.length;
if (record.length == 0)
{
break;
}
}
foreach (ContinuationArea ca in contareas)
{
uint caLen = (ca.ca_length_be + ca.offset_be) /
(highSierra ? hsvd.Value.logical_block_size : pvd.Value.logical_block_size);
if ((ca.ca_length_be + ca.offset_be) %
(highSierra ? hsvd.Value.logical_block_size : pvd.Value.logical_block_size) > 0)
{
caLen++;
}
byte[] caSectors = imagePlugin.ReadSectors(ca.block_be, caLen);
byte[] caData = new byte[ca.ca_length_be];
Array.Copy(caSectors, ca.offset_be, caData, 0, ca.ca_length_be);
int caOff = 0;
while (caOff < ca.ca_length_be)
{
ushort nextSignature = BigEndianBitConverter.ToUInt16(caData, caOff);
switch (nextSignature)
{
// Apple never said to include its extensions inside a continuation area, but just in case
case APPLE_MAGIC:
if (caData[caOff + 3] == 1 && caData[caOff + 2] == 7)
{
apple = true;
}
else
{
apple |= caData[caOff + 3] != 1;
}
break;
case SUSP_REFERENCE when caOff + caData[caOff + 2] <= ca.ca_length_be:
byte[] er = new byte[caData[caOff + 2]];
Array.Copy(caData, caOff, er, 0, er.Length);
refareas.Add(er);
break;
}
rrip |= nextSignature == RRIP_MAGIC || nextSignature == RRIP_POSIX_ATTRIBUTES ||
nextSignature == RRIP_POSIX_DEV_NO || nextSignature == RRIP_SYMLINK ||
nextSignature == RRIP_NAME || nextSignature == RRIP_CHILDLINK ||
nextSignature == RRIP_PARENTLINK || nextSignature == RRIP_RELOCATED_DIR ||
nextSignature == RRIP_TIMESTAMPS || nextSignature == RRIP_SPARSE;
ziso |= nextSignature == ZISO_MAGIC;
amiga |= nextSignature == AMIGA_MAGIC;
aaip |= nextSignature == AAIP_MAGIC || nextSignature == AAIP_MAGIC_OLD && caData[caOff + 3] == 1 &&
caData[caOff + 2] >= 9;
caOff += caData[caOff + 2];
}
}
if (refareas.Count > 0)
{
suspInformation.AppendLine("----------------------------------------");
suspInformation.AppendLine("SYSTEM USE SHARING PROTOCOL INFORMATION:");
suspInformation.AppendLine("----------------------------------------");
counter = 1;
foreach (byte[] erb in refareas)
{
ReferenceArea er = BigEndianMarshal.ByteArrayToStructureBigEndian <ReferenceArea>(erb);
string extId =
Encoding.GetString(erb, Marshal.SizeOf(er), er.id_len);
string extDes =
Encoding.GetString(erb, Marshal.SizeOf(er) + er.id_len, er.des_len);
string extSrc =
Encoding.GetString(erb, Marshal.SizeOf(er) + er.id_len + er.des_len, er.src_len);
suspInformation.AppendFormat("Extension: {0}", counter).AppendLine();
suspInformation.AppendFormat("\tID: {0}, version {1}", extId, er.ext_ver).AppendLine();
suspInformation.AppendFormat("\tDescription: {0}", extDes).AppendLine();
suspInformation.AppendFormat("\tSource: {0}", extSrc).AppendLine();
counter++;
}
}
byte[] ipbinSector = imagePlugin.ReadSector(0 + partition.Start);
CD.IPBin? segaCd = CD.DecodeIPBin(ipbinSector);
Saturn.IPBin? saturn = Saturn.DecodeIPBin(ipbinSector);
Dreamcast.IPBin?dreamcast = Dreamcast.DecodeIPBin(ipbinSector);
string fsFormat;
if (highSierra)
{
fsFormat = "High Sierra Format";
}
else if (cdi)
{
fsFormat = "CD-i";
}
else
{
fsFormat = "ISO9660";
}
isoMetadata.AppendFormat("{0} file system", fsFormat).AppendLine();
if (xaExtensions)
{
isoMetadata.AppendLine("CD-ROM XA extensions present.");
}
if (amiga)
{
isoMetadata.AppendLine("Amiga extensions present.");
}
if (apple)
{
isoMetadata.AppendLine("Apple extensions present.");
}
if (jolietvd != null)
{
isoMetadata.AppendLine("Joliet extensions present.");
}
if (susp)
{
isoMetadata.AppendLine("System Use Sharing Protocol present.");
}
if (rrip)
{
isoMetadata.AppendLine("Rock Ridge Interchange Protocol present.");
}
if (aaip)
{
isoMetadata.AppendLine("Arbitrary Attribute Interchange Protocol present.");
}
if (ziso)
{
isoMetadata.AppendLine("zisofs compression present.");
}
if (bvd != null)
{
isoMetadata.AppendFormat("Disc bootable following {0} specifications.", bootSpec).AppendLine();
}
if (segaCd != null)
{
isoMetadata.AppendLine("This is a SegaCD / MegaCD disc.");
isoMetadata.AppendLine(CD.Prettify(segaCd));
}
if (saturn != null)
{
isoMetadata.AppendLine("This is a Sega Saturn disc.");
isoMetadata.AppendLine(Saturn.Prettify(saturn));
}
if (dreamcast != null)
{
isoMetadata.AppendLine("This is a Sega Dreamcast disc.");
isoMetadata.AppendLine(Dreamcast.Prettify(dreamcast));
}
isoMetadata.AppendFormat("{0}------------------------------", cdi ? "---------------" : "").AppendLine();
isoMetadata.AppendFormat("{0}VOLUME DESCRIPTOR INFORMATION:", cdi ? "FILE STRUCTURE " : "").AppendLine();
isoMetadata.AppendFormat("{0}------------------------------", cdi ? "---------------" : "").AppendLine();
isoMetadata.AppendFormat("System identifier: {0}", decodedVd.SystemIdentifier).AppendLine();
isoMetadata.AppendFormat("Volume identifier: {0}", decodedVd.VolumeIdentifier).AppendLine();
isoMetadata.AppendFormat("Volume set identifier: {0}", decodedVd.VolumeSetIdentifier).AppendLine();
isoMetadata.AppendFormat("Publisher identifier: {0}", decodedVd.PublisherIdentifier).AppendLine();
isoMetadata.AppendFormat("Data preparer identifier: {0}", decodedVd.DataPreparerIdentifier).AppendLine();
isoMetadata.AppendFormat("Application identifier: {0}", decodedVd.ApplicationIdentifier).AppendLine();
isoMetadata.AppendFormat("Volume creation date: {0}", decodedVd.CreationTime).AppendLine();
if (decodedVd.HasModificationTime)
{
isoMetadata.AppendFormat("Volume modification date: {0}", decodedVd.ModificationTime).AppendLine();
}
else
{
isoMetadata.AppendFormat("Volume has not been modified.").AppendLine();
}
if (decodedVd.HasExpirationTime)
{
isoMetadata.AppendFormat("Volume expiration date: {0}", decodedVd.ExpirationTime).AppendLine();
}
else
{
isoMetadata.AppendFormat("Volume does not expire.").AppendLine();
}
if (decodedVd.HasEffectiveTime)
{
isoMetadata.AppendFormat("Volume effective date: {0}", decodedVd.EffectiveTime).AppendLine();
}
else
{
isoMetadata.AppendFormat("Volume has always been effective.").AppendLine();
}
isoMetadata.AppendFormat("Volume has {0} blocks of {1} bytes each", decodedVd.Blocks, decodedVd.BlockSize)
.AppendLine();
if (jolietvd != null)
{
isoMetadata.AppendLine("-------------------------------------");
isoMetadata.AppendLine("JOLIET VOLUME DESCRIPTOR INFORMATION:");
isoMetadata.AppendLine("-------------------------------------");
isoMetadata.AppendFormat("System identifier: {0}", decodedJolietVd.SystemIdentifier).AppendLine();
isoMetadata.AppendFormat("Volume identifier: {0}", decodedJolietVd.VolumeIdentifier).AppendLine();
isoMetadata.AppendFormat("Volume set identifier: {0}", decodedJolietVd.VolumeSetIdentifier)
.AppendLine();
isoMetadata.AppendFormat("Publisher identifier: {0}", decodedJolietVd.PublisherIdentifier).AppendLine();
isoMetadata.AppendFormat("Data preparer identifier: {0}", decodedJolietVd.DataPreparerIdentifier)
.AppendLine();
isoMetadata.AppendFormat("Application identifier: {0}", decodedJolietVd.ApplicationIdentifier)
.AppendLine();
isoMetadata.AppendFormat("Volume creation date: {0}", decodedJolietVd.CreationTime).AppendLine();
if (decodedJolietVd.HasModificationTime)
{
isoMetadata.AppendFormat("Volume modification date: {0}", decodedJolietVd.ModificationTime)
.AppendLine();
}
else
{
isoMetadata.AppendFormat("Volume has not been modified.").AppendLine();
}
if (decodedJolietVd.HasExpirationTime)
{
isoMetadata.AppendFormat("Volume expiration date: {0}", decodedJolietVd.ExpirationTime)
.AppendLine();
}
else
{
isoMetadata.AppendFormat("Volume does not expire.").AppendLine();
}
if (decodedJolietVd.HasEffectiveTime)
{
isoMetadata.AppendFormat("Volume effective date: {0}", decodedJolietVd.EffectiveTime).AppendLine();
}
else
{
isoMetadata.AppendFormat("Volume has always been effective.").AppendLine();
}
}
if (torito != null)
{
vdSector = imagePlugin.ReadSector(torito.Value.catalog_sector + partition.Start);
int toritoOff = 0;
if (vdSector[toritoOff] != 1)
{
goto exit_torito;
}
IntPtr ptr = Marshal.AllocHGlobal(EL_TORITO_ENTRY_SIZE);
Marshal.Copy(vdSector, toritoOff, ptr, EL_TORITO_ENTRY_SIZE);
ElToritoValidationEntry valentry =
(ElToritoValidationEntry)Marshal.PtrToStructure(ptr, typeof(ElToritoValidationEntry));
Marshal.FreeHGlobal(ptr);
if (valentry.signature != EL_TORITO_MAGIC)
{
goto exit_torito;
}
toritoOff += EL_TORITO_ENTRY_SIZE;
ptr = Marshal.AllocHGlobal(EL_TORITO_ENTRY_SIZE);
Marshal.Copy(vdSector, toritoOff, ptr, EL_TORITO_ENTRY_SIZE);
ElToritoInitialEntry initialEntry =
(ElToritoInitialEntry)Marshal.PtrToStructure(ptr, typeof(ElToritoInitialEntry));
Marshal.FreeHGlobal(ptr);
initialEntry.boot_type = (ElToritoEmulation)((byte)initialEntry.boot_type & 0xF);
DicConsole.DebugWriteLine("DEBUG (ISO9660 plugin)", "initialEntry.load_rba = {0}",
initialEntry.load_rba);
DicConsole.DebugWriteLine("DEBUG (ISO9660 plugin)", "initialEntry.sector_count = {0}",
initialEntry.sector_count);
byte[] bootImage =
initialEntry.load_rba + partition.Start + initialEntry.sector_count - 1 <= partition.End
? imagePlugin.ReadSectors(initialEntry.load_rba + partition.Start, initialEntry.sector_count)
: null;
isoMetadata.AppendLine("----------------------");
isoMetadata.AppendLine("EL TORITO INFORMATION:");
isoMetadata.AppendLine("----------------------");
isoMetadata.AppendLine("Initial entry:");
isoMetadata.AppendFormat("\tDeveloper ID: {0}", Encoding.GetString(valentry.developer_id)).AppendLine();
if (initialEntry.bootable == ElToritoIndicator.Bootable)
{
isoMetadata.AppendFormat("\tBootable on {0}", valentry.platform_id).AppendLine();
isoMetadata.AppendFormat("\tBootable image starts at sector {0} and runs for {1} sectors",
initialEntry.load_rba, initialEntry.sector_count).AppendLine();
if (valentry.platform_id == ElToritoPlatform.x86)
{
isoMetadata.AppendFormat("\tBootable image will be loaded at segment {0:X4}h",
initialEntry.load_seg == 0 ? 0x7C0 : initialEntry.load_seg)
.AppendLine();
}
else
{
isoMetadata.AppendFormat("\tBootable image will be loaded at 0x{0:X8}",
(uint)initialEntry.load_seg * 10).AppendLine();
}
switch (initialEntry.boot_type)
{
case ElToritoEmulation.None:
isoMetadata.AppendLine("\tImage uses no emulation");
break;
case ElToritoEmulation.Md2hd:
isoMetadata.AppendLine("\tImage emulates a 5.25\" high-density (MD2HD, 1.2Mb) floppy");
break;
case ElToritoEmulation.Mf2hd:
isoMetadata.AppendLine("\tImage emulates a 3.5\" high-density (MF2HD, 1.44Mb) floppy");
break;
case ElToritoEmulation.Mf2ed:
isoMetadata.AppendLine("\tImage emulates a 3.5\" extra-density (MF2ED, 2.88Mb) floppy");
break;
default:
isoMetadata.AppendFormat("\tImage uses unknown emulation type {0}",
(byte)initialEntry.boot_type).AppendLine();
break;
}
isoMetadata.AppendFormat("\tSystem type: 0x{0:X2}", initialEntry.system_type).AppendLine();
if (bootImage != null)
{
isoMetadata.AppendFormat("\tBootable image's SHA1: {0}", Sha1Context.Data(bootImage, out _))
.AppendLine();
}
}
else
{
isoMetadata.AppendLine("\tNot bootable");
}
toritoOff += EL_TORITO_ENTRY_SIZE;
const int SECTION_COUNTER = 2;
while (toritoOff < vdSector.Length && (vdSector[toritoOff] == (byte)ElToritoIndicator.Header ||
vdSector[toritoOff] == (byte)ElToritoIndicator.LastHeader))
{
ptr = Marshal.AllocHGlobal(EL_TORITO_ENTRY_SIZE);
Marshal.Copy(vdSector, toritoOff, ptr, EL_TORITO_ENTRY_SIZE);
ElToritoSectionHeaderEntry sectionHeader =
(ElToritoSectionHeaderEntry)Marshal.PtrToStructure(ptr, typeof(ElToritoSectionHeaderEntry));
Marshal.FreeHGlobal(ptr);
toritoOff += EL_TORITO_ENTRY_SIZE;
isoMetadata.AppendFormat("Boot section {0}:", SECTION_COUNTER);
isoMetadata.AppendFormat("\tSection ID: {0}", Encoding.GetString(sectionHeader.identifier))
.AppendLine();
for (int entryCounter = 1; entryCounter <= sectionHeader.entries && toritoOff < vdSector.Length;
entryCounter++)
{
ptr = Marshal.AllocHGlobal(EL_TORITO_ENTRY_SIZE);
Marshal.Copy(vdSector, toritoOff, ptr, EL_TORITO_ENTRY_SIZE);
ElToritoSectionEntry sectionEntry =
(ElToritoSectionEntry)Marshal.PtrToStructure(ptr, typeof(ElToritoSectionEntry));
Marshal.FreeHGlobal(ptr);
toritoOff += EL_TORITO_ENTRY_SIZE;
isoMetadata.AppendFormat("\tEntry {0}:", entryCounter);
if (sectionEntry.bootable == ElToritoIndicator.Bootable)
{
bootImage =
sectionEntry.load_rba + partition.Start + sectionEntry.sector_count - 1 <= partition.End
? imagePlugin.ReadSectors(sectionEntry.load_rba + partition.Start,
sectionEntry.sector_count)
: null;
isoMetadata.AppendFormat("\t\tBootable on {0}", sectionHeader.platform_id).AppendLine();
isoMetadata.AppendFormat("\t\tBootable image starts at sector {0} and runs for {1} sectors",
sectionEntry.load_rba, sectionEntry.sector_count).AppendLine();
if (valentry.platform_id == ElToritoPlatform.x86)
{
isoMetadata.AppendFormat("\t\tBootable image will be loaded at segment {0:X4}h",
sectionEntry.load_seg == 0 ? 0x7C0 : sectionEntry.load_seg)
.AppendLine();
}
else
{
isoMetadata.AppendFormat("\t\tBootable image will be loaded at 0x{0:X8}",
(uint)sectionEntry.load_seg * 10).AppendLine();
}
switch ((ElToritoEmulation)((byte)sectionEntry.boot_type & 0xF))
{
case ElToritoEmulation.None:
isoMetadata.AppendLine("\t\tImage uses no emulation");
break;
case ElToritoEmulation.Md2hd:
isoMetadata
.AppendLine("\t\tImage emulates a 5.25\" high-density (MD2HD, 1.2Mb) floppy");
break;
case ElToritoEmulation.Mf2hd:
isoMetadata
.AppendLine("\t\tImage emulates a 3.5\" high-density (MF2HD, 1.44Mb) floppy");
break;
case ElToritoEmulation.Mf2ed:
isoMetadata
.AppendLine("\t\tImage emulates a 3.5\" extra-density (MF2ED, 2.88Mb) floppy");
break;
default:
isoMetadata.AppendFormat("\t\tImage uses unknown emulation type {0}",
(byte)initialEntry.boot_type).AppendLine();
break;
}
isoMetadata.AppendFormat("\t\tSelection criteria type: {0}",
sectionEntry.selection_criteria_type).AppendLine();
isoMetadata.AppendFormat("\t\tSystem type: 0x{0:X2}", sectionEntry.system_type)
.AppendLine();
if (bootImage != null)
{
isoMetadata.AppendFormat("\t\tBootable image's SHA1: {0}",
Sha1Context.Data(bootImage, out _)).AppendLine();
}
}
else
{
isoMetadata.AppendLine("\t\tNot bootable");
}
ElToritoFlags flags = (ElToritoFlags)((byte)sectionEntry.boot_type & 0xF0);
if (flags.HasFlag(ElToritoFlags.ATAPI))
{
isoMetadata.AppendLine("\t\tImage contains ATAPI drivers");
}
if (flags.HasFlag(ElToritoFlags.SCSI))
{
isoMetadata.AppendLine("\t\tImage contains SCSI drivers");
}
if (!flags.HasFlag(ElToritoFlags.Continued))
{
continue;
}
while (toritoOff < vdSector.Length)
{
ptr = Marshal.AllocHGlobal(EL_TORITO_ENTRY_SIZE);
Marshal.Copy(vdSector, toritoOff, ptr, EL_TORITO_ENTRY_SIZE);
ElToritoSectionEntryExtension sectionExtension =
(ElToritoSectionEntryExtension)
Marshal.PtrToStructure(ptr, typeof(ElToritoSectionEntryExtension));
Marshal.FreeHGlobal(ptr);
toritoOff += EL_TORITO_ENTRY_SIZE;
if (!sectionExtension.extension_flags.HasFlag(ElToritoFlags.Continued))
{
break;
}
}
}
if (sectionHeader.header_id == ElToritoIndicator.LastHeader)
{
break;
}
}
}
exit_torito:
if (refareas.Count > 0)
{
isoMetadata.Append(suspInformation);
}
XmlFsType.Type = fsFormat;
if (jolietvd != null)
{
XmlFsType.VolumeName = decodedJolietVd.VolumeIdentifier;
if (decodedJolietVd.SystemIdentifier == null ||
decodedVd.SystemIdentifier.Length > decodedJolietVd.SystemIdentifier.Length)
{
XmlFsType.SystemIdentifier = decodedVd.SystemIdentifier;
}
else
{
XmlFsType.SystemIdentifier = decodedJolietVd.SystemIdentifier;
}
if (decodedJolietVd.VolumeSetIdentifier == null || decodedVd.VolumeSetIdentifier.Length >
decodedJolietVd.VolumeSetIdentifier.Length)
{
XmlFsType.VolumeSetIdentifier = decodedVd.VolumeSetIdentifier;
}
else
{
XmlFsType.VolumeSetIdentifier = decodedJolietVd.VolumeSetIdentifier;
}
if (decodedJolietVd.PublisherIdentifier == null || decodedVd.PublisherIdentifier.Length >
decodedJolietVd.PublisherIdentifier.Length)
{
XmlFsType.PublisherIdentifier = decodedVd.PublisherIdentifier;
}
else
{
XmlFsType.PublisherIdentifier = decodedJolietVd.PublisherIdentifier;
}
if (decodedJolietVd.DataPreparerIdentifier == null || decodedVd.DataPreparerIdentifier.Length >
decodedJolietVd.DataPreparerIdentifier.Length)
{
XmlFsType.DataPreparerIdentifier = decodedVd.DataPreparerIdentifier;
}
else
{
XmlFsType.DataPreparerIdentifier = decodedJolietVd.SystemIdentifier;
}
if (decodedJolietVd.ApplicationIdentifier == null || decodedVd.ApplicationIdentifier.Length >
decodedJolietVd.ApplicationIdentifier.Length)
{
XmlFsType.ApplicationIdentifier = decodedVd.ApplicationIdentifier;
}
else
{
XmlFsType.ApplicationIdentifier = decodedJolietVd.SystemIdentifier;
}
XmlFsType.CreationDate = decodedJolietVd.CreationTime;
XmlFsType.CreationDateSpecified = true;
if (decodedJolietVd.HasModificationTime)
{
XmlFsType.ModificationDate = decodedJolietVd.ModificationTime;
XmlFsType.ModificationDateSpecified = true;
}
if (decodedJolietVd.HasExpirationTime)
{
XmlFsType.ExpirationDate = decodedJolietVd.ExpirationTime;
XmlFsType.ExpirationDateSpecified = true;
}
if (decodedJolietVd.HasEffectiveTime)
{
XmlFsType.EffectiveDate = decodedJolietVd.EffectiveTime;
XmlFsType.EffectiveDateSpecified = true;
}
}
else
{
XmlFsType.SystemIdentifier = decodedVd.SystemIdentifier;
XmlFsType.VolumeName = decodedVd.VolumeIdentifier;
XmlFsType.VolumeSetIdentifier = decodedVd.VolumeSetIdentifier;
XmlFsType.PublisherIdentifier = decodedVd.PublisherIdentifier;
XmlFsType.DataPreparerIdentifier = decodedVd.DataPreparerIdentifier;
XmlFsType.ApplicationIdentifier = decodedVd.ApplicationIdentifier;
XmlFsType.CreationDate = decodedVd.CreationTime;
XmlFsType.CreationDateSpecified = true;
if (decodedVd.HasModificationTime)
{
XmlFsType.ModificationDate = decodedVd.ModificationTime;
XmlFsType.ModificationDateSpecified = true;
}
if (decodedVd.HasExpirationTime)
{
XmlFsType.ExpirationDate = decodedVd.ExpirationTime;
XmlFsType.ExpirationDateSpecified = true;
}
if (decodedVd.HasEffectiveTime)
{
XmlFsType.EffectiveDate = decodedVd.EffectiveTime;
XmlFsType.EffectiveDateSpecified = true;
}
}
XmlFsType.Bootable |= bvd != null || segaCd != null || saturn != null || dreamcast != null;
XmlFsType.Clusters = decodedVd.Blocks;
XmlFsType.ClusterSize = decodedVd.BlockSize;
information = isoMetadata.ToString();
}
public void GetInformation(IMediaImage imagePlugin, Partition partition, out string information,
Encoding encoding)
{
Encoding = encoding ?? Encoding.GetEncoding("ibm850");
information = "";
var sb = new StringBuilder();
byte[] hpfsBpbSector =
imagePlugin.ReadSector(0 + partition.Start); // Seek to BIOS parameter block, on logical sector 0
byte[] hpfsSbSector =
imagePlugin.ReadSector(16 + partition.Start); // Seek to superblock, on logical sector 16
byte[] hpfsSpSector =
imagePlugin.ReadSector(17 + partition.Start); // Seek to spareblock, on logical sector 17
BiosParameterBlock bpb = Marshal.ByteArrayToStructureLittleEndian <BiosParameterBlock>(hpfsBpbSector);
SuperBlock hpfsSb = Marshal.ByteArrayToStructureLittleEndian <SuperBlock>(hpfsSbSector);
SpareBlock sp = Marshal.ByteArrayToStructureLittleEndian <SpareBlock>(hpfsSpSector);
if (StringHandlers.CToString(bpb.fs_type) != "HPFS " ||
hpfsSb.magic1 != 0xF995E849 ||
hpfsSb.magic2 != 0xFA53E9C5 ||
sp.magic1 != 0xF9911849 ||
sp.magic2 != 0xFA5229C5)
{
sb.AppendLine("This may not be HPFS, following information may be not correct.");
sb.AppendFormat("File system type: \"{0}\" (Should be \"HPFS \")", bpb.fs_type).AppendLine();
sb.AppendFormat("Superblock magic1: 0x{0:X8} (Should be 0xF995E849)", hpfsSb.magic1).AppendLine();
sb.AppendFormat("Superblock magic2: 0x{0:X8} (Should be 0xFA53E9C5)", hpfsSb.magic2).AppendLine();
sb.AppendFormat("Spareblock magic1: 0x{0:X8} (Should be 0xF9911849)", sp.magic1).AppendLine();
sb.AppendFormat("Spareblock magic2: 0x{0:X8} (Should be 0xFA5229C5)", sp.magic2).AppendLine();
}
sb.AppendFormat("OEM name: {0}", StringHandlers.CToString(bpb.oem_name)).AppendLine();
sb.AppendFormat("{0} bytes per sector", bpb.bps).AppendLine();
// sb.AppendFormat("{0} sectors per cluster", hpfs_bpb.spc).AppendLine();
// sb.AppendFormat("{0} reserved sectors", hpfs_bpb.rsectors).AppendLine();
// sb.AppendFormat("{0} FATs", hpfs_bpb.fats_no).AppendLine();
// sb.AppendFormat("{0} entries on root directory", hpfs_bpb.root_ent).AppendLine();
// sb.AppendFormat("{0} mini sectors on volume", hpfs_bpb.sectors).AppendLine();
sb.AppendFormat("Media descriptor: 0x{0:X2}", bpb.media).AppendLine();
// sb.AppendFormat("{0} sectors per FAT", hpfs_bpb.spfat).AppendLine();
// sb.AppendFormat("{0} sectors per track", hpfs_bpb.sptrk).AppendLine();
// sb.AppendFormat("{0} heads", hpfs_bpb.heads).AppendLine();
sb.AppendFormat("{0} sectors hidden before BPB", bpb.hsectors).AppendLine();
sb.AppendFormat("{0} sectors on volume ({1} bytes)", hpfsSb.sectors, hpfsSb.sectors * bpb.bps).AppendLine();
// sb.AppendFormat("{0} sectors on volume ({1} bytes)", hpfs_bpb.big_sectors, hpfs_bpb.big_sectors * hpfs_bpb.bps).AppendLine();
sb.AppendFormat("BIOS Drive Number: 0x{0:X2}", bpb.drive_no).AppendLine();
sb.AppendFormat("NT Flags: 0x{0:X2}", bpb.nt_flags).AppendLine();
sb.AppendFormat("Signature: 0x{0:X2}", bpb.signature).AppendLine();
sb.AppendFormat("Serial number: 0x{0:X8}", bpb.serial_no).AppendLine();
sb.AppendFormat("Volume label: {0}", StringHandlers.CToString(bpb.volume_label, Encoding)).AppendLine();
// sb.AppendFormat("Filesystem type: \"{0}\"", hpfs_bpb.fs_type).AppendLine();
DateTime lastChk = DateHandlers.UnixToDateTime(hpfsSb.last_chkdsk);
DateTime lastOptim = DateHandlers.UnixToDateTime(hpfsSb.last_optim);
sb.AppendFormat("HPFS version: {0}", hpfsSb.version).AppendLine();
sb.AppendFormat("Functional version: {0}", hpfsSb.func_version).AppendLine();
sb.AppendFormat("Sector of root directory FNode: {0}", hpfsSb.root_fnode).AppendLine();
sb.AppendFormat("{0} sectors are marked bad", hpfsSb.badblocks).AppendLine();
sb.AppendFormat("Sector of free space bitmaps: {0}", hpfsSb.bitmap_lsn).AppendLine();
sb.AppendFormat("Sector of bad blocks list: {0}", hpfsSb.badblock_lsn).AppendLine();
if (hpfsSb.last_chkdsk > 0)
{
sb.AppendFormat("Date of last integrity check: {0}", lastChk).AppendLine();
}
else
{
sb.AppendLine("Filesystem integrity has never been checked");
}
if (hpfsSb.last_optim > 0)
{
sb.AppendFormat("Date of last optimization {0}", lastOptim).AppendLine();
}
else
{
sb.AppendLine("Filesystem has never been optimized");
}
sb.AppendFormat("Directory band has {0} sectors", hpfsSb.dband_sectors).AppendLine();
sb.AppendFormat("Directory band starts at sector {0}", hpfsSb.dband_start).AppendLine();
sb.AppendFormat("Directory band ends at sector {0}", hpfsSb.dband_last).AppendLine();
sb.AppendFormat("Sector of directory band bitmap: {0}", hpfsSb.dband_bitmap).AppendLine();
sb.AppendFormat("Sector of ACL directory: {0}", hpfsSb.acl_start).AppendLine();
sb.AppendFormat("Sector of Hotfix directory: {0}", sp.hotfix_start).AppendLine();
sb.AppendFormat("{0} used Hotfix entries", sp.hotfix_used).AppendLine();
sb.AppendFormat("{0} total Hotfix entries", sp.hotfix_entries).AppendLine();
sb.AppendFormat("{0} free spare DNodes", sp.spare_dnodes_free).AppendLine();
sb.AppendFormat("{0} total spare DNodes", sp.spare_dnodes).AppendLine();
sb.AppendFormat("Sector of codepage directory: {0}", sp.codepage_lsn).AppendLine();
sb.AppendFormat("{0} codepages used in the volume", sp.codepages).AppendLine();
sb.AppendFormat("SuperBlock CRC32: {0:X8}", sp.sb_crc32).AppendLine();
sb.AppendFormat("SpareBlock CRC32: {0:X8}", sp.sp_crc32).AppendLine();
sb.AppendLine("Flags:");
sb.AppendLine((sp.flags1 & 0x01) == 0x01 ? "Filesystem is dirty." : "Filesystem is clean.");
if ((sp.flags1 & 0x02) == 0x02)
{
sb.AppendLine("Spare directory blocks are in use");
}
if ((sp.flags1 & 0x04) == 0x04)
{
sb.AppendLine("Hotfixes are in use");
}
if ((sp.flags1 & 0x08) == 0x08)
{
sb.AppendLine("Disk contains bad sectors");
}
if ((sp.flags1 & 0x10) == 0x10)
{
sb.AppendLine("Disk has a bad bitmap");
}
if ((sp.flags1 & 0x20) == 0x20)
{
sb.AppendLine("Filesystem was formatted fast");
}
if ((sp.flags1 & 0x40) == 0x40)
{
sb.AppendLine("Unknown flag 0x40 on flags1 is active");
}
if ((sp.flags1 & 0x80) == 0x80)
{
sb.AppendLine("Filesystem has been mounted by an old IFS");
}
if ((sp.flags2 & 0x01) == 0x01)
{
sb.AppendLine("Install DASD limits");
}
if ((sp.flags2 & 0x02) == 0x02)
{
sb.AppendLine("Resync DASD limits");
}
if ((sp.flags2 & 0x04) == 0x04)
{
sb.AppendLine("DASD limits are operational");
}
if ((sp.flags2 & 0x08) == 0x08)
{
sb.AppendLine("Multimedia is active");
}
if ((sp.flags2 & 0x10) == 0x10)
{
sb.AppendLine("DCE ACLs are active");
}
if ((sp.flags2 & 0x20) == 0x20)
{
sb.AppendLine("DASD limits are dirty");
}
if ((sp.flags2 & 0x40) == 0x40)
{
sb.AppendLine("Unknown flag 0x40 on flags2 is active");
}
if ((sp.flags2 & 0x80) == 0x80)
{
sb.AppendLine("Unknown flag 0x80 on flags2 is active");
}
XmlFsType = new FileSystemType();
// Theoretically everything from BPB to SB is boot code, should I hash everything or only the sector loaded by BIOS itself?
if (bpb.jump[0] == 0xEB &&
bpb.jump[1] > 0x3C &&
bpb.jump[1] < 0x80 &&
bpb.signature2 == 0xAA55)
{
XmlFsType.Bootable = true;
string bootChk = Sha1Context.Data(bpb.boot_code, out byte[] _);
sb.AppendLine("Volume is bootable");
sb.AppendFormat("Boot code's SHA1: {0}", bootChk).AppendLine();
}
XmlFsType.Dirty |= (sp.flags1 & 0x01) == 0x01;
XmlFsType.Clusters = hpfsSb.sectors;
XmlFsType.ClusterSize = bpb.bps;
XmlFsType.Type = "HPFS";
XmlFsType.VolumeName = StringHandlers.CToString(bpb.volume_label, Encoding);
XmlFsType.VolumeSerial = $"{bpb.serial_no:X8}";
XmlFsType.SystemIdentifier = StringHandlers.CToString(bpb.oem_name);
information = sb.ToString();
}
public bool Open(IFilter imageFilter)
{
Stream imageStream = imageFilter.GetDataForkStream();
byte[] header = new byte[512];
byte[] footer;
imageStream.Seek(0, SeekOrigin.Begin);
imageStream.Read(header, 0, 512);
if (imageStream.Length % 2 == 0)
{
footer = new byte[512];
imageStream.Seek(-512, SeekOrigin.End);
imageStream.Read(footer, 0, 512);
}
else
{
footer = new byte[511];
imageStream.Seek(-511, SeekOrigin.End);
imageStream.Read(footer, 0, 511);
}
BigEndianBitConverter.IsLittleEndian = BitConverter.IsLittleEndian;
uint headerChecksum = BigEndianBitConverter.ToUInt32(header, 0x40);
uint footerChecksum = BigEndianBitConverter.ToUInt32(footer, 0x40);
ulong headerCookie = BigEndianBitConverter.ToUInt64(header, 0);
ulong footerCookie = BigEndianBitConverter.ToUInt64(footer, 0);
header[0x40] = 0;
header[0x41] = 0;
header[0x42] = 0;
header[0x43] = 0;
footer[0x40] = 0;
footer[0x41] = 0;
footer[0x42] = 0;
footer[0x43] = 0;
uint headerCalculatedChecksum = VhdChecksum(header);
uint footerCalculatedChecksum = VhdChecksum(footer);
DicConsole.DebugWriteLine("VirtualPC plugin", "Header checksum = 0x{0:X8}, calculated = 0x{1:X8}",
headerChecksum, headerCalculatedChecksum);
DicConsole.DebugWriteLine("VirtualPC plugin", "Header checksum = 0x{0:X8}, calculated = 0x{1:X8}",
footerChecksum, footerCalculatedChecksum);
byte[] usableHeader;
uint usableChecksum;
if (headerCookie == IMAGE_COOKIE && headerChecksum == headerCalculatedChecksum)
{
usableHeader = header;
usableChecksum = headerChecksum;
}
else if (footerCookie == IMAGE_COOKIE && footerChecksum == footerCalculatedChecksum)
{
usableHeader = footer;
usableChecksum = footerChecksum;
}
else
{
throw new
ImageNotSupportedException("(VirtualPC plugin): Both header and footer are corrupt, image cannot be opened.");
}
thisFooter = new HardDiskFooter
{
Cookie = BigEndianBitConverter.ToUInt64(usableHeader, 0x00),
Features = BigEndianBitConverter.ToUInt32(usableHeader, 0x08),
Version = BigEndianBitConverter.ToUInt32(usableHeader, 0x0C),
Offset = BigEndianBitConverter.ToUInt64(usableHeader, 0x10),
Timestamp = BigEndianBitConverter.ToUInt32(usableHeader, 0x18),
CreatorApplication = BigEndianBitConverter.ToUInt32(usableHeader, 0x1C),
CreatorVersion = BigEndianBitConverter.ToUInt32(usableHeader, 0x20),
CreatorHostOs = BigEndianBitConverter.ToUInt32(usableHeader, 0x24),
OriginalSize = BigEndianBitConverter.ToUInt64(usableHeader, 0x28),
CurrentSize = BigEndianBitConverter.ToUInt64(usableHeader, 0x30),
DiskGeometry = BigEndianBitConverter.ToUInt32(usableHeader, 0x38),
DiskType = BigEndianBitConverter.ToUInt32(usableHeader, 0x3C),
Checksum = usableChecksum,
UniqueId = BigEndianBitConverter.ToGuid(usableHeader, 0x44),
SavedState = usableHeader[0x54],
Reserved = new byte[usableHeader.Length - 0x55]
};
Array.Copy(usableHeader, 0x55, thisFooter.Reserved, 0, usableHeader.Length - 0x55);
thisDateTime = new DateTime(2000, 1, 1, 0, 0, 0, DateTimeKind.Utc);
thisDateTime = thisDateTime.AddSeconds(thisFooter.Timestamp);
Sha1Context sha1Ctx = new Sha1Context();
sha1Ctx.Update(thisFooter.Reserved);
DicConsole.DebugWriteLine("VirtualPC plugin", "footer.cookie = 0x{0:X8}", thisFooter.Cookie);
DicConsole.DebugWriteLine("VirtualPC plugin", "footer.features = 0x{0:X8}", thisFooter.Features);
DicConsole.DebugWriteLine("VirtualPC plugin", "footer.version = 0x{0:X8}", thisFooter.Version);
DicConsole.DebugWriteLine("VirtualPC plugin", "footer.offset = {0}", thisFooter.Offset);
DicConsole.DebugWriteLine("VirtualPC plugin", "footer.timestamp = 0x{0:X8} ({1})", thisFooter.Timestamp,
thisDateTime);
DicConsole.DebugWriteLine("VirtualPC plugin", "footer.creatorApplication = 0x{0:X8} (\"{1}\")",
thisFooter.CreatorApplication,
Encoding.ASCII.GetString(BigEndianBitConverter.GetBytes(thisFooter
.CreatorApplication)));
DicConsole.DebugWriteLine("VirtualPC plugin", "footer.creatorVersion = 0x{0:X8}",
thisFooter.CreatorVersion);
DicConsole.DebugWriteLine("VirtualPC plugin", "footer.creatorHostOS = 0x{0:X8} (\"{1}\")",
thisFooter.CreatorHostOs,
Encoding.ASCII.GetString(BigEndianBitConverter
.GetBytes(thisFooter.CreatorHostOs)));
DicConsole.DebugWriteLine("VirtualPC plugin", "footer.originalSize = {0}", thisFooter.OriginalSize);
DicConsole.DebugWriteLine("VirtualPC plugin", "footer.currentSize = {0}", thisFooter.CurrentSize);
DicConsole.DebugWriteLine("VirtualPC plugin", "footer.diskGeometry = 0x{0:X8} (C/H/S: {1}/{2}/{3})",
thisFooter.DiskGeometry, (thisFooter.DiskGeometry & 0xFFFF0000) >> 16,
(thisFooter.DiskGeometry & 0xFF00) >> 8,
thisFooter.DiskGeometry & 0xFF);
DicConsole.DebugWriteLine("VirtualPC plugin", "footer.diskType = 0x{0:X8}", thisFooter.DiskType);
DicConsole.DebugWriteLine("VirtualPC plugin", "footer.checksum = 0x{0:X8}", thisFooter.Checksum);
DicConsole.DebugWriteLine("VirtualPC plugin", "footer.uniqueId = {0}", thisFooter.UniqueId);
DicConsole.DebugWriteLine("VirtualPC plugin", "footer.savedState = 0x{0:X2}", thisFooter.SavedState);
DicConsole.DebugWriteLine("VirtualPC plugin", "footer.reserved's SHA1 = 0x{0}", sha1Ctx.End());
if (thisFooter.Version == VERSION1)
{
imageInfo.Version = "1.0";
}
else
{
throw new
ImageNotSupportedException($"(VirtualPC plugin): Unknown image type {thisFooter.DiskType} found. Please submit a bug with an example image.");
}
switch (thisFooter.CreatorApplication)
{
case CREATOR_QEMU:
{
imageInfo.Application = "QEMU";
// QEMU always set same version
imageInfo.ApplicationVersion = "Unknown";
break;
}
case CREATOR_VIRTUAL_BOX:
{
imageInfo.ApplicationVersion =
$"{(thisFooter.CreatorVersion & 0xFFFF0000) >> 16}.{thisFooter.CreatorVersion & 0x0000FFFF:D2}";
switch (thisFooter.CreatorHostOs)
{
case CREATOR_MACINTOSH:
case CREATOR_MACINTOSH_OLD:
imageInfo.Application = "VirtualBox for Mac";
break;
case CREATOR_WINDOWS:
// VirtualBox uses Windows creator for any other OS
imageInfo.Application = "VirtualBox";
break;
default:
imageInfo.Application =
$"VirtualBox for unknown OS \"{Encoding.ASCII.GetString(BigEndianBitConverter.GetBytes(thisFooter.CreatorHostOs))}\"";
break;
}
break;
}
case CREATOR_VIRTUAL_SERVER:
{
imageInfo.Application = "Microsoft Virtual Server";
switch (thisFooter.CreatorVersion)
{
case VERSION_VIRTUAL_SERVER2004:
imageInfo.ApplicationVersion = "2004";
break;
default:
imageInfo.ApplicationVersion = $"Unknown version 0x{thisFooter.CreatorVersion:X8}";
break;
}
break;
}
case CREATOR_VIRTUAL_PC:
{
switch (thisFooter.CreatorHostOs)
{
case CREATOR_MACINTOSH:
case CREATOR_MACINTOSH_OLD:
switch (thisFooter.CreatorVersion)
{
case VERSION_VIRTUAL_PC_MAC:
imageInfo.Application = "Connectix Virtual PC";
imageInfo.ApplicationVersion = "5, 6 or 7";
break;
default:
imageInfo.ApplicationVersion = $"Unknown version 0x{thisFooter.CreatorVersion:X8}";
break;
}
break;
case CREATOR_WINDOWS:
switch (thisFooter.CreatorVersion)
{
case VERSION_VIRTUAL_PC_MAC:
imageInfo.Application = "Connectix Virtual PC";
imageInfo.ApplicationVersion = "5, 6 or 7";
break;
case VERSION_VIRTUAL_PC2004:
imageInfo.Application = "Microsoft Virtual PC";
imageInfo.ApplicationVersion = "2004";
break;
case VERSION_VIRTUAL_PC2007:
imageInfo.Application = "Microsoft Virtual PC";
imageInfo.ApplicationVersion = "2007";
break;
default:
imageInfo.ApplicationVersion = $"Unknown version 0x{thisFooter.CreatorVersion:X8}";
break;
}
break;
default:
imageInfo.Application =
$"Virtual PC for unknown OS \"{Encoding.ASCII.GetString(BigEndianBitConverter.GetBytes(thisFooter.CreatorHostOs))}\"";
imageInfo.ApplicationVersion = $"Unknown version 0x{thisFooter.CreatorVersion:X8}";
break;
}
break;
}
case CREATOR_DISCIMAGECHEF:
{
imageInfo.Application = "DiscImageChef";
imageInfo.ApplicationVersion =
$"{(thisFooter.CreatorVersion & 0xFF000000) >> 24}.{(thisFooter.CreatorVersion & 0xFF0000) >> 16}.{(thisFooter.CreatorVersion & 0xFF00) >> 8}.{thisFooter.CreatorVersion & 0xFF}";
}
break;
default:
{
imageInfo.Application =
$"Unknown application \"{Encoding.ASCII.GetString(BigEndianBitConverter.GetBytes(thisFooter.CreatorHostOs))}\"";
imageInfo.ApplicationVersion = $"Unknown version 0x{thisFooter.CreatorVersion:X8}";
break;
}
}
thisFilter = imageFilter;
imageInfo.ImageSize = thisFooter.CurrentSize;
imageInfo.Sectors = thisFooter.CurrentSize / 512;
imageInfo.SectorSize = 512;
imageInfo.CreationTime = imageFilter.GetCreationTime();
imageInfo.LastModificationTime = thisDateTime;
imageInfo.MediaTitle = Path.GetFileNameWithoutExtension(imageFilter.GetFilename());
imageInfo.Cylinders = (thisFooter.DiskGeometry & 0xFFFF0000) >> 16;
imageInfo.Heads = (thisFooter.DiskGeometry & 0xFF00) >> 8;
imageInfo.SectorsPerTrack = thisFooter.DiskGeometry & 0xFF;
if (thisFooter.DiskType == TYPE_DYNAMIC || thisFooter.DiskType == TYPE_DIFFERENCING)
{
imageStream.Seek((long)thisFooter.Offset, SeekOrigin.Begin);
byte[] dynamicBytes = new byte[1024];
imageStream.Read(dynamicBytes, 0, 1024);
uint dynamicChecksum = BigEndianBitConverter.ToUInt32(dynamicBytes, 0x24);
dynamicBytes[0x24] = 0;
dynamicBytes[0x25] = 0;
dynamicBytes[0x26] = 0;
dynamicBytes[0x27] = 0;
uint dynamicChecksumCalculated = VhdChecksum(dynamicBytes);
DicConsole.DebugWriteLine("VirtualPC plugin",
"Dynamic header checksum = 0x{0:X8}, calculated = 0x{1:X8}", dynamicChecksum,
dynamicChecksumCalculated);
if (dynamicChecksum != dynamicChecksumCalculated)
{
throw new
ImageNotSupportedException("(VirtualPC plugin): Both header and footer are corrupt, image cannot be opened.");
}
thisDynamic =
new DynamicDiskHeader {
LocatorEntries = new ParentLocatorEntry[8], Reserved2 = new byte[256]
};
for (int i = 0; i < 8; i++)
{
thisDynamic.LocatorEntries[i] = new ParentLocatorEntry();
}
thisDynamic.Cookie = BigEndianBitConverter.ToUInt64(dynamicBytes, 0x00);
thisDynamic.DataOffset = BigEndianBitConverter.ToUInt64(dynamicBytes, 0x08);
thisDynamic.TableOffset = BigEndianBitConverter.ToUInt64(dynamicBytes, 0x10);
thisDynamic.HeaderVersion = BigEndianBitConverter.ToUInt32(dynamicBytes, 0x18);
thisDynamic.MaxTableEntries = BigEndianBitConverter.ToUInt32(dynamicBytes, 0x1C);
thisDynamic.BlockSize = BigEndianBitConverter.ToUInt32(dynamicBytes, 0x20);
thisDynamic.Checksum = dynamicChecksum;
thisDynamic.ParentId = BigEndianBitConverter.ToGuid(dynamicBytes, 0x28);
thisDynamic.ParentTimestamp = BigEndianBitConverter.ToUInt32(dynamicBytes, 0x38);
thisDynamic.Reserved = BigEndianBitConverter.ToUInt32(dynamicBytes, 0x3C);
thisDynamic.ParentName = Encoding.BigEndianUnicode.GetString(dynamicBytes, 0x40, 512);
for (int i = 0; i < 8; i++)
{
thisDynamic.LocatorEntries[i].PlatformCode =
BigEndianBitConverter.ToUInt32(dynamicBytes, 0x240 + 0x00 + 24 * i);
thisDynamic.LocatorEntries[i].PlatformDataSpace =
BigEndianBitConverter.ToUInt32(dynamicBytes, 0x240 + 0x04 + 24 * i);
thisDynamic.LocatorEntries[i].PlatformDataLength =
BigEndianBitConverter.ToUInt32(dynamicBytes, 0x240 + 0x08 + 24 * i);
thisDynamic.LocatorEntries[i].Reserved =
BigEndianBitConverter.ToUInt32(dynamicBytes, 0x240 + 0x0C + 24 * i);
thisDynamic.LocatorEntries[i].PlatformDataOffset =
BigEndianBitConverter.ToUInt64(dynamicBytes, 0x240 + 0x10 + 24 * i);
}
Array.Copy(dynamicBytes, 0x300, thisDynamic.Reserved2, 0, 256);
parentDateTime = new DateTime(2000, 1, 1, 0, 0, 0, DateTimeKind.Utc);
parentDateTime = parentDateTime.AddSeconds(thisDynamic.ParentTimestamp);
sha1Ctx = new Sha1Context();
sha1Ctx.Update(thisDynamic.Reserved2);
DicConsole.DebugWriteLine("VirtualPC plugin", "dynamic.cookie = 0x{0:X8}", thisDynamic.Cookie);
DicConsole.DebugWriteLine("VirtualPC plugin", "dynamic.dataOffset = {0}", thisDynamic.DataOffset);
DicConsole.DebugWriteLine("VirtualPC plugin", "dynamic.tableOffset = {0}", thisDynamic.TableOffset);
DicConsole.DebugWriteLine("VirtualPC plugin", "dynamic.headerVersion = 0x{0:X8}",
thisDynamic.HeaderVersion);
DicConsole.DebugWriteLine("VirtualPC plugin", "dynamic.maxTableEntries = {0}",
thisDynamic.MaxTableEntries);
DicConsole.DebugWriteLine("VirtualPC plugin", "dynamic.blockSize = {0}", thisDynamic.BlockSize);
DicConsole.DebugWriteLine("VirtualPC plugin", "dynamic.checksum = 0x{0:X8}", thisDynamic.Checksum);
DicConsole.DebugWriteLine("VirtualPC plugin", "dynamic.parentID = {0}", thisDynamic.ParentId);
DicConsole.DebugWriteLine("VirtualPC plugin", "dynamic.parentTimestamp = 0x{0:X8} ({1})",
thisDynamic.ParentTimestamp, parentDateTime);
DicConsole.DebugWriteLine("VirtualPC plugin", "dynamic.reserved = 0x{0:X8}", thisDynamic.Reserved);
for (int i = 0; i < 8; i++)
{
DicConsole.DebugWriteLine("VirtualPC plugin",
"dynamic.locatorEntries[{0}].platformCode = 0x{1:X8} (\"{2}\")", i,
thisDynamic.LocatorEntries[i].PlatformCode,
Encoding.ASCII.GetString(BigEndianBitConverter.GetBytes(thisDynamic
.LocatorEntries[i]
.PlatformCode)));
DicConsole.DebugWriteLine("VirtualPC plugin", "dynamic.locatorEntries[{0}].platformDataSpace = {1}",
i, thisDynamic.LocatorEntries[i].PlatformDataSpace);
DicConsole.DebugWriteLine("VirtualPC plugin",
"dynamic.locatorEntries[{0}].platformDataLength = {1}", i,
thisDynamic.LocatorEntries[i].PlatformDataLength);
DicConsole.DebugWriteLine("VirtualPC plugin", "dynamic.locatorEntries[{0}].reserved = 0x{1:X8}", i,
thisDynamic.LocatorEntries[i].Reserved);
DicConsole.DebugWriteLine("VirtualPC plugin",
"dynamic.locatorEntries[{0}].platformDataOffset = {1}", i,
thisDynamic.LocatorEntries[i].PlatformDataOffset);
}
DicConsole.DebugWriteLine("VirtualPC plugin", "dynamic.parentName = \"{0}\"",
thisDynamic.ParentName);
DicConsole.DebugWriteLine("VirtualPC plugin", "dynamic.reserved2's SHA1 = 0x{0}", sha1Ctx.End());
if (thisDynamic.HeaderVersion != VERSION1)
{
throw new
ImageNotSupportedException($"(VirtualPC plugin): Unknown image type {thisFooter.DiskType} found. Please submit a bug with an example image.");
}
DateTime startTime = DateTime.UtcNow;
blockAllocationTable = new uint[thisDynamic.MaxTableEntries];
// Safe and slow code. It takes 76,572 ms to fill a 30720 entries BAT
/*
* byte[] bat = new byte[thisDynamic.maxTableEntries * 4];
* imageStream.Seek((long)thisDynamic.tableOffset, SeekOrigin.Begin);
* imageStream.Read(bat, 0, (int)(thisDynamic.maxTableEntries * 4));
* for (int i = 0; i < thisDynamic.maxTableEntries; i++)
* blockAllocationTable[i] = BigEndianBitConverter.ToUInt32(bat, 4 * i);
*
* DateTime endTime = DateTime.UtcNow;
* DicConsole.DebugWriteLine("VirtualPC plugin", "Filling the BAT took {0} seconds", (endTime-startTime).TotalSeconds);
*/
// How many sectors uses the BAT
uint batSectorCount = (uint)Math.Ceiling((double)thisDynamic.MaxTableEntries * 4 / 512);
byte[] batSectorBytes = new byte[512];
// Unsafe and fast code. It takes 4 ms to fill a 30720 entries BAT
for (int i = 0; i < batSectorCount; i++)
{
imageStream.Seek((long)thisDynamic.TableOffset + i * 512, SeekOrigin.Begin);
imageStream.Read(batSectorBytes, 0, 512);
// This does the big-endian trick but reverses the order of elements also
Array.Reverse(batSectorBytes);
GCHandle handle = GCHandle.Alloc(batSectorBytes, GCHandleType.Pinned);
BatSector batSector =
(BatSector)Marshal.PtrToStructure(handle.AddrOfPinnedObject(), typeof(BatSector));
handle.Free();
// This restores the order of elements
Array.Reverse(batSector.blockPointer);
if (blockAllocationTable.Length >= i * 512 / 4 + 512 / 4)
{
Array.Copy(batSector.blockPointer, 0, blockAllocationTable, i * 512 / 4, 512 / 4);
}
else
{
Array.Copy(batSector.blockPointer, 0, blockAllocationTable, i * 512 / 4,
blockAllocationTable.Length - i * 512 / 4);
}
}
DateTime endTime = DateTime.UtcNow;
DicConsole.DebugWriteLine("VirtualPC plugin", "Filling the BAT took {0} seconds",
(endTime - startTime).TotalSeconds);
// Too noisy
/*
* for (int i = 0; i < thisDynamic.maxTableEntries; i++)
* DicConsole.DebugWriteLine("VirtualPC plugin", "blockAllocationTable[{0}] = {1}", i, blockAllocationTable[i]);
*/
// Get the roundest number of sectors needed to store the block bitmap
bitmapSize = (uint)Math.Ceiling((double)thisDynamic.BlockSize / 512
// 1 bit per sector on the bitmap
/ 8
// and aligned to 512 byte boundary
/ 512);
DicConsole.DebugWriteLine("VirtualPC plugin", "Bitmap is {0} sectors", bitmapSize);
}
imageInfo.XmlMediaType = XmlMediaType.BlockMedia;
switch (thisFooter.DiskType)
{
case TYPE_FIXED:
case TYPE_DYNAMIC:
{
// Nothing to do here, really.
return(true);
}
case TYPE_DIFFERENCING:
{
locatorEntriesData = new byte[8][];
for (int i = 0; i < 8; i++)
{
if (thisDynamic.LocatorEntries[i].PlatformCode != 0x00000000)
{
locatorEntriesData[i] = new byte[thisDynamic.LocatorEntries[i].PlatformDataLength];
imageStream.Seek((long)thisDynamic.LocatorEntries[i].PlatformDataOffset, SeekOrigin.Begin);
imageStream.Read(locatorEntriesData[i], 0,
(int)thisDynamic.LocatorEntries[i].PlatformDataLength);
switch (thisDynamic.LocatorEntries[i].PlatformCode)
{
case PLATFORM_CODE_WINDOWS_ABSOLUTE:
case PLATFORM_CODE_WINDOWS_RELATIVE:
DicConsole.DebugWriteLine("VirtualPC plugin",
"dynamic.locatorEntries[{0}] = \"{1}\"", i,
Encoding.ASCII.GetString(locatorEntriesData[i]));
break;
case PLATFORM_CODE_WINDOWS_ABSOLUTE_U:
case PLATFORM_CODE_WINDOWS_RELATIVE_U:
DicConsole.DebugWriteLine("VirtualPC plugin",
"dynamic.locatorEntries[{0}] = \"{1}\"", i,
Encoding.BigEndianUnicode
.GetString(locatorEntriesData[i]));
break;
case PLATFORM_CODE_MACINTOSH_URI:
DicConsole.DebugWriteLine("VirtualPC plugin",
"dynamic.locatorEntries[{0}] = \"{1}\"", i,
Encoding.UTF8.GetString(locatorEntriesData[i]));
break;
default:
DicConsole.DebugWriteLine("VirtualPC plugin", "dynamic.locatorEntries[{0}] =", i);
PrintHex.PrintHexArray(locatorEntriesData[i], 64);
break;
}
}
}
int currentLocator = 0;
bool locatorFound = false;
string parentPath = null;
while (!locatorFound && currentLocator < 8)
{
switch (thisDynamic.LocatorEntries[currentLocator].PlatformCode)
{
case PLATFORM_CODE_WINDOWS_ABSOLUTE:
case PLATFORM_CODE_WINDOWS_RELATIVE:
parentPath = Encoding.ASCII.GetString(locatorEntriesData[currentLocator]);
break;
case PLATFORM_CODE_WINDOWS_ABSOLUTE_U:
case PLATFORM_CODE_WINDOWS_RELATIVE_U:
parentPath = Encoding.BigEndianUnicode.GetString(locatorEntriesData[currentLocator]);
break;
case PLATFORM_CODE_MACINTOSH_URI:
parentPath =
Uri.UnescapeDataString(Encoding.UTF8.GetString(locatorEntriesData[currentLocator]));
if (parentPath.StartsWith("file://localhost", StringComparison.InvariantCulture))
{
parentPath = parentPath.Remove(0, 16);
}
else
{
DicConsole.DebugWriteLine("VirtualPC plugin",
"Unsupported protocol classified found in URI parent path: \"{0}\"",
parentPath);
parentPath = null;
}
break;
}
if (parentPath != null)
{
DicConsole.DebugWriteLine("VirtualPC plugin", "Possible parent path: \"{0}\"", parentPath);
IFilter parentFilter =
new FiltersList().GetFilter(Path.Combine(imageFilter.GetParentFolder(), parentPath));
if (parentFilter != null)
{
locatorFound = true;
}
if (!locatorFound)
{
parentPath = null;
}
}
currentLocator++;
}
if (!locatorFound)
{
throw new
FileNotFoundException("(VirtualPC plugin): Cannot find parent file for differencing disk image");
}
{
parentImage = new Vhd();
IFilter parentFilter =
new FiltersList().GetFilter(Path.Combine(imageFilter.GetParentFolder(), parentPath));
if (parentFilter == null)
{
throw new ImageNotSupportedException("(VirtualPC plugin): Cannot find parent image filter");
}
/* PluginBase plugins = new PluginBase();
* plugins.RegisterAllPlugins();
* if (!plugins.ImagePluginsList.TryGetValue(Name.ToLower(), out parentImage))
* throw new SystemException("(VirtualPC plugin): Unable to open myself");*/
if (!parentImage.Identify(parentFilter))
{
throw new
ImageNotSupportedException("(VirtualPC plugin): Parent image is not a Virtual PC disk image");
}
if (!parentImage.Open(parentFilter))
{
throw new ImageNotSupportedException("(VirtualPC plugin): Cannot open parent disk image");
}
// While specification says that parent and child disk images should contain UUID relationship
// in reality it seems that old differencing disk images stored a parent UUID that, nonetheless
// the parent never stored itself. So the only real way to know that images are related is
// because the parent IS found and SAME SIZE. Ugly...
// More funny even, tested parent images show an empty host OS, and child images a correct one.
if (parentImage.Info.Sectors != imageInfo.Sectors)
{
throw new
ImageNotSupportedException("(VirtualPC plugin): Parent image is of different size");
}
}
return(true);
}
case TYPE_DEPRECATED1:
case TYPE_DEPRECATED2:
case TYPE_DEPRECATED3:
{
throw new
ImageNotSupportedException("(VirtualPC plugin): Deprecated image type found. Please submit a bug with an example image.");
}
default:
{
throw new
ImageNotSupportedException($"(VirtualPC plugin): Unknown image type {thisFooter.DiskType} found. Please submit a bug with an example image.");
}
}
}
internal static List <ChecksumType> GetChecksums(byte[] data, EnableChecksum enabled = EnableChecksum.All)
{
IChecksum adler32CtxData = null;
IChecksum crc16CtxData = null;
IChecksum crc32CtxData = null;
IChecksum crc64CtxData = null;
IChecksum md5CtxData = null;
IChecksum sha1CtxData = null;
IChecksum sha256CtxData = null;
IChecksum sha384CtxData = null;
IChecksum sha512CtxData = null;
IChecksum ssctxData = null;
IChecksum f16CtxData = null;
IChecksum f32CtxData = null;
var adlerThreadData = new Thread(UpdateHash);
var crc16ThreadData = new Thread(UpdateHash);
var crc32ThreadData = new Thread(UpdateHash);
var crc64ThreadData = new Thread(UpdateHash);
var md5ThreadData = new Thread(UpdateHash);
var sha1ThreadData = new Thread(UpdateHash);
var sha256ThreadData = new Thread(UpdateHash);
var sha384ThreadData = new Thread(UpdateHash);
var sha512ThreadData = new Thread(UpdateHash);
var spamsumThreadData = new Thread(UpdateHash);
var f16ThreadData = new Thread(UpdateHash);
var f32ThreadData = new Thread(UpdateHash);
if (enabled.HasFlag(EnableChecksum.Adler32))
{
adler32CtxData = new Adler32Context();
var adlerPktData = new HashPacket
{
Context = adler32CtxData,
Data = data
};
adlerThreadData.Start(adlerPktData);
}
if (enabled.HasFlag(EnableChecksum.Crc16))
{
crc16CtxData = new CRC16IBMContext();
var crc16PktData = new HashPacket
{
Context = crc16CtxData,
Data = data
};
crc16ThreadData.Start(crc16PktData);
}
if (enabled.HasFlag(EnableChecksum.Crc32))
{
crc32CtxData = new Crc32Context();
var crc32PktData = new HashPacket
{
Context = crc32CtxData,
Data = data
};
crc32ThreadData.Start(crc32PktData);
}
if (enabled.HasFlag(EnableChecksum.Crc64))
{
crc64CtxData = new Crc64Context();
var crc64PktData = new HashPacket
{
Context = crc64CtxData,
Data = data
};
crc64ThreadData.Start(crc64PktData);
}
if (enabled.HasFlag(EnableChecksum.Md5))
{
md5CtxData = new Md5Context();
var md5PktData = new HashPacket
{
Context = md5CtxData,
Data = data
};
md5ThreadData.Start(md5PktData);
}
if (enabled.HasFlag(EnableChecksum.Sha1))
{
sha1CtxData = new Sha1Context();
var sha1PktData = new HashPacket
{
Context = sha1CtxData,
Data = data
};
sha1ThreadData.Start(sha1PktData);
}
if (enabled.HasFlag(EnableChecksum.Sha256))
{
sha256CtxData = new Sha256Context();
var sha256PktData = new HashPacket
{
Context = sha256CtxData,
Data = data
};
sha256ThreadData.Start(sha256PktData);
}
if (enabled.HasFlag(EnableChecksum.Sha384))
{
sha384CtxData = new Sha384Context();
var sha384PktData = new HashPacket
{
Context = sha384CtxData,
Data = data
};
sha384ThreadData.Start(sha384PktData);
}
if (enabled.HasFlag(EnableChecksum.Sha512))
{
sha512CtxData = new Sha512Context();
var sha512PktData = new HashPacket
{
Context = sha512CtxData,
Data = data
};
sha512ThreadData.Start(sha512PktData);
}
if (enabled.HasFlag(EnableChecksum.SpamSum))
{
ssctxData = new SpamSumContext();
var spamsumPktData = new HashPacket
{
Context = ssctxData,
Data = data
};
spamsumThreadData.Start(spamsumPktData);
}
if (enabled.HasFlag(EnableChecksum.Fletcher16))
{
f16CtxData = new Fletcher16Context();
var f16PktData = new HashPacket
{
Context = f16CtxData,
Data = data
};
f16ThreadData.Start(f16PktData);
}
if (enabled.HasFlag(EnableChecksum.Fletcher32))
{
f32CtxData = new Fletcher32Context();
var f32PktData = new HashPacket
{
Context = f32CtxData,
Data = data
};
f32ThreadData.Start(f32PktData);
}
while (adlerThreadData.IsAlive ||
crc16ThreadData.IsAlive ||
crc32ThreadData.IsAlive ||
crc64ThreadData.IsAlive ||
md5ThreadData.IsAlive ||
sha1ThreadData.IsAlive ||
sha256ThreadData.IsAlive ||
sha384ThreadData.IsAlive ||
sha512ThreadData.IsAlive ||
spamsumThreadData.IsAlive ||
f16ThreadData.IsAlive ||
f32ThreadData.IsAlive)
{
}
List <ChecksumType> dataChecksums = new List <ChecksumType>();
ChecksumType chk;
if (enabled.HasFlag(EnableChecksum.Adler32))
{
chk = new ChecksumType
{
type = ChecksumTypeType.adler32,
Value = adler32CtxData.End()
};
dataChecksums.Add(chk);
}
if (enabled.HasFlag(EnableChecksum.Crc16))
{
chk = new ChecksumType
{
type = ChecksumTypeType.crc16,
Value = crc16CtxData.End()
};
dataChecksums.Add(chk);
}
if (enabled.HasFlag(EnableChecksum.Crc32))
{
chk = new ChecksumType
{
type = ChecksumTypeType.crc32,
Value = crc32CtxData.End()
};
dataChecksums.Add(chk);
}
if (enabled.HasFlag(EnableChecksum.Crc64))
{
chk = new ChecksumType
{
type = ChecksumTypeType.crc64,
Value = crc64CtxData.End()
};
dataChecksums.Add(chk);
}
if (enabled.HasFlag(EnableChecksum.Md5))
{
chk = new ChecksumType
{
type = ChecksumTypeType.md5,
Value = md5CtxData.End()
};
dataChecksums.Add(chk);
}
if (enabled.HasFlag(EnableChecksum.Sha1))
{
chk = new ChecksumType
{
type = ChecksumTypeType.sha1,
Value = sha1CtxData.End()
};
dataChecksums.Add(chk);
}
if (enabled.HasFlag(EnableChecksum.Sha256))
{
chk = new ChecksumType
{
type = ChecksumTypeType.sha256,
Value = sha256CtxData.End()
};
dataChecksums.Add(chk);
}
if (enabled.HasFlag(EnableChecksum.Sha384))
{
chk = new ChecksumType
{
type = ChecksumTypeType.sha384,
Value = sha384CtxData.End()
};
dataChecksums.Add(chk);
}
if (enabled.HasFlag(EnableChecksum.Sha512))
{
chk = new ChecksumType
{
type = ChecksumTypeType.sha512,
Value = sha512CtxData.End()
};
dataChecksums.Add(chk);
}
if (enabled.HasFlag(EnableChecksum.SpamSum))
{
chk = new ChecksumType
{
type = ChecksumTypeType.spamsum,
Value = ssctxData.End()
};
dataChecksums.Add(chk);
}
if (enabled.HasFlag(EnableChecksum.Fletcher16))
{
chk = new ChecksumType
{
type = ChecksumTypeType.fletcher16,
Value = f16CtxData.End()
};
dataChecksums.Add(chk);
}
if (enabled.HasFlag(EnableChecksum.Fletcher32))
{
chk = new ChecksumType
{
type = ChecksumTypeType.fletcher32,
Value = f32CtxData.End()
};
dataChecksums.Add(chk);
}
return(dataChecksums);
}
public EntropyResults[] CalculateTracksEntropy(bool duplicatedSectors)
{
List <EntropyResults> entropyResultses = new List <EntropyResults>();
if (!(inputFormat is IOpticalMediaImage opticalMediaImage))
{
DicConsole.ErrorWriteLine("The selected image does not support tracks.");
return(entropyResultses.ToArray());
}
try
{
List <Track> inputTracks = opticalMediaImage.Tracks;
InitProgressEvent?.Invoke();
foreach (Track currentTrack in inputTracks)
{
EntropyResults trackEntropy = new EntropyResults {
Track = currentTrack.TrackSequence, Entropy = 0
};
UpdateProgressEvent
?.Invoke($"Entropying track {currentTrack.TrackSequence} of {inputTracks.Max(t => t.TrackSequence)}",
currentTrack.TrackSequence, inputTracks.Max(t => t.TrackSequence));
ulong[] entTable = new ulong[256];
ulong trackSize = 0;
List <string> uniqueSectorsPerTrack = new List <string>();
trackEntropy.Sectors = currentTrack.TrackEndSector - currentTrack.TrackStartSector + 1;
DicConsole.VerboseWriteLine("Track {0} has {1} sectors", currentTrack.TrackSequence,
trackEntropy.Sectors);
InitProgress2Event?.Invoke();
for (ulong i = currentTrack.TrackStartSector; i <= currentTrack.TrackEndSector; i++)
{
UpdateProgress2Event
?.Invoke($"Entropying sector {i + 1} of track {currentTrack.TrackSequence}",
(long)(currentTrack.TrackEndSector - (i + 1)),
(long)trackEntropy.Sectors);
byte[] sector = opticalMediaImage.ReadSector(i, currentTrack.TrackSequence);
if (duplicatedSectors)
{
string sectorHash = Sha1Context.Data(sector, out _);
if (!uniqueSectorsPerTrack.Contains(sectorHash))
{
uniqueSectorsPerTrack.Add(sectorHash);
}
}
foreach (byte b in sector)
{
entTable[b]++;
}
trackSize += (ulong)sector.LongLength;
}
EndProgress2Event?.Invoke();
trackEntropy.Entropy += entTable.Select(l => (double)l / (double)trackSize)
.Select(frequency => - (frequency * Math.Log(frequency, 2))).Sum();
if (duplicatedSectors)
{
trackEntropy.UniqueSectors = uniqueSectorsPerTrack.Count;
}
entropyResultses.Add(trackEntropy);
}
EndProgressEvent?.Invoke();
}
catch (Exception ex)
{
if (debug)
{
DicConsole.DebugWriteLine("Could not get tracks because {0}", ex.Message);
}
else
{
DicConsole.ErrorWriteLine("Unable to get separate tracks, not calculating their entropy");
}
}
return(entropyResultses.ToArray());
}
public void Sha1RandomFile()
{
byte[] result = Sha1Context.File(Path.Combine(Consts.TestFilesRoot, "checksums", "random"));
Assert.AreEqual(ExpectedRandom, result);
}
public void GetInformation(IMediaImage imagePlugin, Partition partition, out string information,
Encoding encoding)
{
Encoding = Encoding.Unicode;
information = "";
var sb = new StringBuilder();
byte[] ntfsBpb = imagePlugin.ReadSector(0 + partition.Start);
NtfsBootBlock ntfsBb = Marshal.ByteArrayToStructureLittleEndian <NtfsBootBlock>(ntfsBpb);
sb.AppendFormat("{0} bytes per sector", ntfsBb.bps).AppendLine();
sb.AppendFormat("{0} sectors per cluster ({1} bytes)", ntfsBb.spc, ntfsBb.spc * ntfsBb.bps).AppendLine();
// sb.AppendFormat("{0} reserved sectors", ntfs_bb.rsectors).AppendLine();
// sb.AppendFormat("{0} FATs", ntfs_bb.fats_no).AppendLine();
// sb.AppendFormat("{0} entries in the root folder", ntfs_bb.root_ent).AppendLine();
// sb.AppendFormat("{0} sectors on volume (small)", ntfs_bb.sml_sectors).AppendLine();
sb.AppendFormat("Media descriptor: 0x{0:X2}", ntfsBb.media).AppendLine();
// sb.AppendFormat("{0} sectors per FAT", ntfs_bb.spfat).AppendLine();
sb.AppendFormat("{0} sectors per track", ntfsBb.sptrk).AppendLine();
sb.AppendFormat("{0} heads", ntfsBb.heads).AppendLine();
sb.AppendFormat("{0} hidden sectors before filesystem", ntfsBb.hsectors).AppendLine();
// sb.AppendFormat("{0} sectors on volume (big)", ntfs_bb.big_sectors).AppendLine();
sb.AppendFormat("BIOS drive number: 0x{0:X2}", ntfsBb.drive_no).AppendLine();
// sb.AppendFormat("NT flags: 0x{0:X2}", ntfs_bb.nt_flags).AppendLine();
// sb.AppendFormat("Signature 1: 0x{0:X2}", ntfs_bb.signature1).AppendLine();
sb.AppendFormat("{0} sectors on volume ({1} bytes)", ntfsBb.sectors, ntfsBb.sectors * ntfsBb.bps).
AppendLine();
sb.AppendFormat("Cluster where $MFT starts: {0}", ntfsBb.mft_lsn).AppendLine();
sb.AppendFormat("Cluster where $MFTMirr starts: {0}", ntfsBb.mftmirror_lsn).AppendLine();
if (ntfsBb.mft_rc_clusters > 0)
{
sb.AppendFormat("{0} clusters per MFT record ({1} bytes)", ntfsBb.mft_rc_clusters,
ntfsBb.mft_rc_clusters * ntfsBb.bps * ntfsBb.spc).AppendLine();
}
else
{
sb.AppendFormat("{0} bytes per MFT record", 1 << -ntfsBb.mft_rc_clusters).AppendLine();
}
if (ntfsBb.index_blk_cts > 0)
{
sb.AppendFormat("{0} clusters per Index block ({1} bytes)", ntfsBb.index_blk_cts,
ntfsBb.index_blk_cts * ntfsBb.bps * ntfsBb.spc).AppendLine();
}
else
{
sb.AppendFormat("{0} bytes per Index block", 1 << -ntfsBb.index_blk_cts).AppendLine();
}
sb.AppendFormat("Volume serial number: {0:X16}", ntfsBb.serial_no).AppendLine();
// sb.AppendFormat("Signature 2: 0x{0:X4}", ntfs_bb.signature2).AppendLine();
XmlFsType = new FileSystemType();
if (ntfsBb.jump[0] == 0xEB &&
ntfsBb.jump[1] > 0x4E &&
ntfsBb.jump[1] < 0x80 &&
ntfsBb.signature2 == 0xAA55)
{
XmlFsType.Bootable = true;
string bootChk = Sha1Context.Data(ntfsBb.boot_code, out _);
sb.AppendLine("Volume is bootable");
sb.AppendFormat("Boot code's SHA1: {0}", bootChk).AppendLine();
}
XmlFsType.ClusterSize = (uint)(ntfsBb.spc * ntfsBb.bps);
XmlFsType.Clusters = (ulong)(ntfsBb.sectors / ntfsBb.spc);
XmlFsType.VolumeSerial = $"{ntfsBb.serial_no:X16}";
XmlFsType.Type = "NTFS";
information = sb.ToString();
}
internal static void DoEntropy(EntropyOptions options)
{
DicConsole.DebugWriteLine("Entropy command", "--debug={0}", options.Debug);
DicConsole.DebugWriteLine("Entropy command", "--verbose={0}", options.Verbose);
DicConsole.DebugWriteLine("Entropy command", "--separated-tracks={0}", options.SeparatedTracks);
DicConsole.DebugWriteLine("Entropy command", "--whole-disc={0}", options.WholeDisc);
DicConsole.DebugWriteLine("Entropy command", "--input={0}", options.InputFile);
DicConsole.DebugWriteLine("Entropy command", "--duplicated-sectors={0}", options.DuplicatedSectors);
FiltersList filtersList = new FiltersList();
IFilter inputFilter = filtersList.GetFilter(options.InputFile);
if (inputFilter == null)
{
DicConsole.ErrorWriteLine("Cannot open specified file.");
return;
}
IMediaImage inputFormat = ImageFormat.Detect(inputFilter);
if (inputFormat == null)
{
DicConsole.ErrorWriteLine("Unable to recognize image format, not checksumming");
return;
}
inputFormat.Open(inputFilter);
Core.Statistics.AddMediaFormat(inputFormat.Format);
Core.Statistics.AddMedia(inputFormat.Info.MediaType, false);
Core.Statistics.AddFilter(inputFilter.Name);
double entropy = 0;
ulong[] entTable;
ulong sectors;
if (options.SeparatedTracks)
{
try
{
List <Track> inputTracks = inputFormat.Tracks;
foreach (Track currentTrack in inputTracks)
{
entTable = new ulong[256];
ulong trackSize = 0;
List <string> uniqueSectorsPerTrack = new List <string>();
sectors = currentTrack.TrackEndSector - currentTrack.TrackStartSector + 1;
DicConsole.WriteLine("Track {0} has {1} sectors", currentTrack.TrackSequence, sectors);
for (ulong i = currentTrack.TrackStartSector; i <= currentTrack.TrackEndSector; i++)
{
DicConsole.Write("\rEntropying sector {0} of track {1}", i + 1, currentTrack.TrackSequence);
byte[] sector = inputFormat.ReadSector(i, currentTrack.TrackSequence);
if (options.DuplicatedSectors)
{
string sectorHash = Sha1Context.Data(sector, out _);
if (!uniqueSectorsPerTrack.Contains(sectorHash))
{
uniqueSectorsPerTrack.Add(sectorHash);
}
}
foreach (byte b in sector)
{
entTable[b]++;
}
trackSize += (ulong)sector.LongLength;
}
entropy += entTable.Select(l => (double)l / (double)trackSize)
.Select(frequency => - (frequency * Math.Log(frequency, 2))).Sum();
DicConsole.WriteLine("Entropy for track {0} is {1:F4}.", currentTrack.TrackSequence, entropy);
if (options.DuplicatedSectors)
{
DicConsole.WriteLine("Track {0} has {1} unique sectors ({1:P3})",
currentTrack.TrackSequence, uniqueSectorsPerTrack.Count,
(double)uniqueSectorsPerTrack.Count / (double)sectors);
}
DicConsole.WriteLine();
}
}
catch (Exception ex)
{
if (options.Debug)
{
DicConsole.DebugWriteLine("Could not get tracks because {0}", ex.Message);
}
else
{
DicConsole.ErrorWriteLine("Unable to get separate tracks, not calculating their entropy");
}
}
}
if (!options.WholeDisc)
{
return;
}
entTable = new ulong[256];
ulong diskSize = 0;
List <string> uniqueSectors = new List <string>();
sectors = inputFormat.Info.Sectors;
DicConsole.WriteLine("Sectors {0}", sectors);
for (ulong i = 0; i < sectors; i++)
{
DicConsole.Write("\rEntropying sector {0}", i + 1);
byte[] sector = inputFormat.ReadSector(i);
if (options.DuplicatedSectors)
{
string sectorHash = Sha1Context.Data(sector, out _);
if (!uniqueSectors.Contains(sectorHash))
{
uniqueSectors.Add(sectorHash);
}
}
foreach (byte b in sector)
{
entTable[b]++;
}
diskSize += (ulong)sector.LongLength;
}
entropy += entTable.Select(l => (double)l / (double)diskSize)
.Select(frequency => - (frequency * Math.Log(frequency, 2))).Sum();
DicConsole.WriteLine();
DicConsole.WriteLine("Entropy for disk is {0:F4}.", entropy);
if (options.DuplicatedSectors)
{
DicConsole.WriteLine("Disk has {0} unique sectors ({1:P3})", uniqueSectors.Count,
(double)uniqueSectors.Count / (double)sectors);
}
Core.Statistics.AddCommand("entropy");
}
public bool GetInformation(IMediaImage imagePlugin, out List <Partition> partitions, ulong sectorOffset)
{
partitions = new List <Partition>();
byte[] sector = imagePlugin.ReadSector(sectorOffset);
if (sector.Length < 512)
{
return(false);
}
var table = new AtariTable
{
boot = new byte[342],
icdEntries = new AtariEntry[8],
unused = new byte[12],
entries = new AtariEntry[4]
};
Array.Copy(sector, 0, table.boot, 0, 342);
for (int i = 0; i < 8; i++)
{
table.icdEntries[i].type = BigEndianBitConverter.ToUInt32(sector, 342 + (i * 12) + 0);
table.icdEntries[i].start = BigEndianBitConverter.ToUInt32(sector, 342 + (i * 12) + 4);
table.icdEntries[i].length = BigEndianBitConverter.ToUInt32(sector, 342 + (i * 12) + 8);
}
Array.Copy(sector, 438, table.unused, 0, 12);
table.size = BigEndianBitConverter.ToUInt32(sector, 450);
for (int i = 0; i < 4; i++)
{
table.entries[i].type = BigEndianBitConverter.ToUInt32(sector, 454 + (i * 12) + 0);
table.entries[i].start = BigEndianBitConverter.ToUInt32(sector, 454 + (i * 12) + 4);
table.entries[i].length = BigEndianBitConverter.ToUInt32(sector, 454 + (i * 12) + 8);
}
table.badStart = BigEndianBitConverter.ToUInt32(sector, 502);
table.badLength = BigEndianBitConverter.ToUInt32(sector, 506);
table.checksum = BigEndianBitConverter.ToUInt16(sector, 510);
var sha1Ctx = new Sha1Context();
sha1Ctx.Update(table.boot);
AaruConsole.DebugWriteLine("Atari partition plugin", "Boot code SHA1: {0}", sha1Ctx.End());
for (int i = 0; i < 8; i++)
{
AaruConsole.DebugWriteLine("Atari partition plugin", "table.icdEntries[{0}].flag = 0x{1:X2}", i,
(table.icdEntries[i].type & 0xFF000000) >> 24);
AaruConsole.DebugWriteLine("Atari partition plugin", "table.icdEntries[{0}].type = 0x{1:X6}", i,
table.icdEntries[i].type & 0x00FFFFFF);
AaruConsole.DebugWriteLine("Atari partition plugin", "table.icdEntries[{0}].start = {1}", i,
table.icdEntries[i].start);
AaruConsole.DebugWriteLine("Atari partition plugin", "table.icdEntries[{0}].length = {1}", i,
table.icdEntries[i].length);
}
AaruConsole.DebugWriteLine("Atari partition plugin", "table.size = {0}", table.size);
for (int i = 0; i < 4; i++)
{
AaruConsole.DebugWriteLine("Atari partition plugin", "table.entries[{0}].flag = 0x{1:X2}", i,
(table.entries[i].type & 0xFF000000) >> 24);
AaruConsole.DebugWriteLine("Atari partition plugin", "table.entries[{0}].type = 0x{1:X6}", i,
table.entries[i].type & 0x00FFFFFF);
AaruConsole.DebugWriteLine("Atari partition plugin", "table.entries[{0}].start = {1}", i,
table.entries[i].start);
AaruConsole.DebugWriteLine("Atari partition plugin", "table.entries[{0}].length = {1}", i,
table.entries[i].length);
}
AaruConsole.DebugWriteLine("Atari partition plugin", "table.badStart = {0}", table.badStart);
AaruConsole.DebugWriteLine("Atari partition plugin", "table.badLength = {0}", table.badLength);
AaruConsole.DebugWriteLine("Atari partition plugin", "table.checksum = 0x{0:X4}", table.checksum);
bool validTable = false;
ulong partitionSequence = 0;
for (int i = 0; i < 4; i++)
{
uint type = table.entries[i].type & 0x00FFFFFF;
switch (type)
{
case TypeGEMDOS:
case TypeBigGEMDOS:
case TypeLinux:
case TypeSwap:
case TypeRAW:
case TypeNetBSD:
case TypeNetBSDSwap:
case TypeSysV:
case TypeMac:
case TypeMinix:
case TypeMinix2:
validTable = true;
if (table.entries[i].start <= imagePlugin.Info.Sectors)
{
if (table.entries[i].start + table.entries[i].length > imagePlugin.Info.Sectors)
{
AaruConsole.DebugWriteLine("Atari partition plugin",
"WARNING: End of partition goes beyond device size");
}
ulong sectorSize = imagePlugin.Info.SectorSize;
if (sectorSize == 2448 ||
sectorSize == 2352)
{
sectorSize = 2048;
}
byte[] partType = new byte[3];
partType[0] = (byte)((type & 0xFF0000) >> 16);
partType[1] = (byte)((type & 0x00FF00) >> 8);
partType[2] = (byte)(type & 0x0000FF);
var part = new Partition
{
Size = table.entries[i].length * sectorSize,
Length = table.entries[i].length,
Sequence = partitionSequence,
Name = "",
Offset = table.entries[i].start * sectorSize,
Start = table.entries[i].start,
Type = Encoding.ASCII.GetString(partType),
Scheme = Name
};
switch (type)
{
case TypeGEMDOS:
part.Description = "Atari GEMDOS partition";
break;
case TypeBigGEMDOS:
part.Description = "Atari GEMDOS partition bigger than 32 MiB";
break;
case TypeLinux:
part.Description = "Linux partition";
break;
case TypeSwap:
part.Description = "Swap partition";
break;
case TypeRAW:
part.Description = "RAW partition";
break;
case TypeNetBSD:
part.Description = "NetBSD partition";
break;
case TypeNetBSDSwap:
part.Description = "NetBSD swap partition";
break;
case TypeSysV:
part.Description = "Atari UNIX partition";
break;
case TypeMac:
part.Description = "Macintosh partition";
break;
case TypeMinix:
case TypeMinix2:
part.Description = "MINIX partition";
break;
default:
part.Description = "Unknown partition type";
break;
}
partitions.Add(part);
partitionSequence++;
}
break;
case TypeExtended:
byte[] extendedSector = imagePlugin.ReadSector(table.entries[i].start);
var extendedTable = new AtariTable();
extendedTable.entries = new AtariEntry[4];
for (int j = 0; j < 4; j++)
{
extendedTable.entries[j].type =
BigEndianBitConverter.ToUInt32(extendedSector, 454 + (j * 12) + 0);
extendedTable.entries[j].start =
BigEndianBitConverter.ToUInt32(extendedSector, 454 + (j * 12) + 4);
extendedTable.entries[j].length =
BigEndianBitConverter.ToUInt32(extendedSector, 454 + (j * 12) + 8);
}
for (int j = 0; j < 4; j++)
{
uint extendedType = extendedTable.entries[j].type & 0x00FFFFFF;
if (extendedType != TypeGEMDOS &&
extendedType != TypeBigGEMDOS &&
extendedType != TypeLinux &&
extendedType != TypeSwap &&
extendedType != TypeRAW &&
extendedType != TypeNetBSD &&
extendedType != TypeNetBSDSwap &&
extendedType != TypeSysV &&
extendedType != TypeMac &&
extendedType != TypeMinix &&
extendedType != TypeMinix2)
{
continue;
}
validTable = true;
if (extendedTable.entries[j].start > imagePlugin.Info.Sectors)
{
continue;
}
if (extendedTable.entries[j].start + extendedTable.entries[j].length >
imagePlugin.Info.Sectors)
{
AaruConsole.DebugWriteLine("Atari partition plugin",
"WARNING: End of partition goes beyond device size");
}
ulong sectorSize = imagePlugin.Info.SectorSize;
if (sectorSize == 2448 ||
sectorSize == 2352)
{
sectorSize = 2048;
}
byte[] partType = new byte[3];
partType[0] = (byte)((extendedType & 0xFF0000) >> 16);
partType[1] = (byte)((extendedType & 0x00FF00) >> 8);
partType[2] = (byte)(extendedType & 0x0000FF);
var part = new Partition
{
Size = extendedTable.entries[j].length * sectorSize,
Length = extendedTable.entries[j].length,
Sequence = partitionSequence,
Name = "",
Offset = extendedTable.entries[j].start * sectorSize,
Start = extendedTable.entries[j].start,
Type = Encoding.ASCII.GetString(partType),
Scheme = Name
};
switch (extendedType)
{
case TypeGEMDOS:
part.Description = "Atari GEMDOS partition";
break;
case TypeBigGEMDOS:
part.Description = "Atari GEMDOS partition bigger than 32 MiB";
break;
case TypeLinux:
part.Description = "Linux partition";
break;
case TypeSwap:
part.Description = "Swap partition";
break;
case TypeRAW:
part.Description = "RAW partition";
break;
case TypeNetBSD:
part.Description = "NetBSD partition";
break;
case TypeNetBSDSwap:
part.Description = "NetBSD swap partition";
break;
case TypeSysV:
part.Description = "Atari UNIX partition";
break;
case TypeMac:
part.Description = "Macintosh partition";
break;
case TypeMinix:
case TypeMinix2:
part.Description = "MINIX partition";
break;
default:
part.Description = "Unknown partition type";
break;
}
partitions.Add(part);
partitionSequence++;
}
break;
}
}
if (!validTable)
{
return(partitions.Count > 0);
}
for (int i = 0; i < 8; i++)
{
uint type = table.icdEntries[i].type & 0x00FFFFFF;
if (type != TypeGEMDOS &&
type != TypeBigGEMDOS &&
type != TypeLinux &&
type != TypeSwap &&
type != TypeRAW &&
type != TypeNetBSD &&
type != TypeNetBSDSwap &&
type != TypeSysV &&
type != TypeMac &&
type != TypeMinix &&
type != TypeMinix2)
{
continue;
}
if (table.icdEntries[i].start > imagePlugin.Info.Sectors)
{
continue;
}
if (table.icdEntries[i].start + table.icdEntries[i].length > imagePlugin.Info.Sectors)
{
AaruConsole.DebugWriteLine("Atari partition plugin",
"WARNING: End of partition goes beyond device size");
}
ulong sectorSize = imagePlugin.Info.SectorSize;
if (sectorSize == 2448 ||
sectorSize == 2352)
{
sectorSize = 2048;
}
byte[] partType = new byte[3];
partType[0] = (byte)((type & 0xFF0000) >> 16);
partType[1] = (byte)((type & 0x00FF00) >> 8);
partType[2] = (byte)(type & 0x0000FF);
var part = new Partition
{
Size = table.icdEntries[i].length * sectorSize,
Length = table.icdEntries[i].length,
Sequence = partitionSequence,
Name = "",
Offset = table.icdEntries[i].start * sectorSize,
Start = table.icdEntries[i].start,
Type = Encoding.ASCII.GetString(partType),
Scheme = Name
};
switch (type)
{
case TypeGEMDOS:
part.Description = "Atari GEMDOS partition";
break;
case TypeBigGEMDOS:
part.Description = "Atari GEMDOS partition bigger than 32 MiB";
break;
case TypeLinux:
part.Description = "Linux partition";
break;
case TypeSwap:
part.Description = "Swap partition";
break;
case TypeRAW:
part.Description = "RAW partition";
break;
case TypeNetBSD:
part.Description = "NetBSD partition";
break;
case TypeNetBSDSwap:
part.Description = "NetBSD swap partition";
break;
case TypeSysV:
part.Description = "Atari UNIX partition";
break;
case TypeMac:
part.Description = "Macintosh partition";
break;
case TypeMinix:
case TypeMinix2:
part.Description = "MINIX partition";
break;
default:
part.Description = "Unknown partition type";
break;
}
partitions.Add(part);
partitionSequence++;
}
return(partitions.Count > 0);
}
internal static List <ChecksumType> GetChecksums(byte[] data)
{
Adler32Context adler32ctxData = new Adler32Context();
Crc16Context crc16ctxData = new Crc16Context();
Crc32Context crc32ctxData = new Crc32Context();
Crc64Context crc64ctxData = new Crc64Context();
Md5Context md5ctxData = new Md5Context();
Ripemd160Context ripemd160ctxData = new Ripemd160Context();
Sha1Context sha1ctxData = new Sha1Context();
Sha256Context sha256ctxData = new Sha256Context();
Sha384Context sha384ctxData = new Sha384Context();
Sha512Context sha512ctxData = new Sha512Context();
SpamSumContext ssctxData = new SpamSumContext();
Thread adlerThreadData = new Thread(updateAdler);
Thread crc16ThreadData = new Thread(updateCRC16);
Thread crc32ThreadData = new Thread(updateCRC32);
Thread crc64ThreadData = new Thread(updateCRC64);
Thread md5ThreadData = new Thread(updateMD5);
Thread ripemd160ThreadData = new Thread(updateRIPEMD160);
Thread sha1ThreadData = new Thread(updateSHA1);
Thread sha256ThreadData = new Thread(updateSHA256);
Thread sha384ThreadData = new Thread(updateSHA384);
Thread sha512ThreadData = new Thread(updateSHA512);
Thread spamsumThreadData = new Thread(updateSpamSum);
adlerPacket adlerPktData = new adlerPacket();
crc16Packet crc16PktData = new crc16Packet();
crc32Packet crc32PktData = new crc32Packet();
crc64Packet crc64PktData = new crc64Packet();
md5Packet md5PktData = new md5Packet();
ripemd160Packet ripemd160PktData = new ripemd160Packet();
sha1Packet sha1PktData = new sha1Packet();
sha256Packet sha256PktData = new sha256Packet();
sha384Packet sha384PktData = new sha384Packet();
sha512Packet sha512PktData = new sha512Packet();
spamsumPacket spamsumPktData = new spamsumPacket();
adler32ctxData.Init();
adlerPktData.context = adler32ctxData;
crc16ctxData.Init();
crc16PktData.context = crc16ctxData;
crc32ctxData.Init();
crc32PktData.context = crc32ctxData;
crc64ctxData.Init();
crc64PktData.context = crc64ctxData;
md5ctxData.Init();
md5PktData.context = md5ctxData;
ripemd160ctxData.Init();
ripemd160PktData.context = ripemd160ctxData;
sha1ctxData.Init();
sha1PktData.context = sha1ctxData;
sha256ctxData.Init();
sha256PktData.context = sha256ctxData;
sha384ctxData.Init();
sha384PktData.context = sha384ctxData;
sha512ctxData.Init();
sha512PktData.context = sha512ctxData;
ssctxData.Init();
spamsumPktData.context = ssctxData;
adlerPktData.data = data;
adlerThreadData.Start(adlerPktData);
crc16PktData.data = data;
crc16ThreadData.Start(crc16PktData);
crc32PktData.data = data;
crc32ThreadData.Start(crc32PktData);
crc64PktData.data = data;
crc64ThreadData.Start(crc64PktData);
md5PktData.data = data;
md5ThreadData.Start(md5PktData);
ripemd160PktData.data = data;
ripemd160ThreadData.Start(ripemd160PktData);
sha1PktData.data = data;
sha1ThreadData.Start(sha1PktData);
sha256PktData.data = data;
sha256ThreadData.Start(sha256PktData);
sha384PktData.data = data;
sha384ThreadData.Start(sha384PktData);
sha512PktData.data = data;
sha512ThreadData.Start(sha512PktData);
spamsumPktData.data = data;
spamsumThreadData.Start(spamsumPktData);
while (adlerThreadData.IsAlive || crc16ThreadData.IsAlive || crc32ThreadData.IsAlive ||
crc64ThreadData.IsAlive || md5ThreadData.IsAlive || ripemd160ThreadData.IsAlive ||
sha1ThreadData.IsAlive || sha256ThreadData.IsAlive || sha384ThreadData.IsAlive ||
sha512ThreadData.IsAlive || spamsumThreadData.IsAlive)
{
}
List <ChecksumType> dataChecksums = new List <ChecksumType>();
ChecksumType chk = new ChecksumType {
type = ChecksumTypeType.adler32, Value = adler32ctxData.End()
};
dataChecksums.Add(chk);
chk = new ChecksumType {
type = ChecksumTypeType.crc16, Value = crc16ctxData.End()
};
dataChecksums.Add(chk);
chk = new ChecksumType {
type = ChecksumTypeType.crc32, Value = crc32ctxData.End()
};
dataChecksums.Add(chk);
chk = new ChecksumType {
type = ChecksumTypeType.crc64, Value = crc64ctxData.End()
};
dataChecksums.Add(chk);
chk = new ChecksumType {
type = ChecksumTypeType.md5, Value = md5ctxData.End()
};
dataChecksums.Add(chk);
chk = new ChecksumType {
type = ChecksumTypeType.ripemd160, Value = ripemd160ctxData.End()
};
dataChecksums.Add(chk);
chk = new ChecksumType {
type = ChecksumTypeType.sha1, Value = sha1ctxData.End()
};
dataChecksums.Add(chk);
chk = new ChecksumType {
type = ChecksumTypeType.sha256, Value = sha256ctxData.End()
};
dataChecksums.Add(chk);
chk = new ChecksumType {
type = ChecksumTypeType.sha384, Value = sha384ctxData.End()
};
dataChecksums.Add(chk);
chk = new ChecksumType {
type = ChecksumTypeType.sha512, Value = sha512ctxData.End()
};
dataChecksums.Add(chk);
chk = new ChecksumType {
type = ChecksumTypeType.spamsum, Value = ssctxData.End()
};
dataChecksums.Add(chk);
return(dataChecksums);
}
public void Sha1EmptyFile()
{
byte[] result = Sha1Context.File(Path.Combine(Consts.TEST_FILES_ROOT, "Checksum test files", "empty"));
Assert.AreEqual(_expectedEmpty, result);
}
public bool?VerifyMediaImage()
{
if (_discImage.DiscHashes.Count == 0)
{
return(null);
}
// Read up to 1 MiB at a time for verification
const int verifySize = 1024 * 1024;
long readBytes;
byte[] verifyBytes;
IFilter[] filters = _discImage.Tracks.OrderBy(t => t.Sequence).Select(t => t.TrackFile.DataFilter).
Distinct().ToArray();
if (_discImage.DiscHashes.TryGetValue("sha1", out string sha1))
{
var ctx = new Sha1Context();
foreach (IFilter filter in filters)
{
Stream stream = filter.GetDataForkStream();
readBytes = 0;
verifyBytes = new byte[verifySize];
while (readBytes + verifySize < stream.Length)
{
stream.Read(verifyBytes, 0, verifyBytes.Length);
ctx.Update(verifyBytes);
readBytes += verifyBytes.LongLength;
}
verifyBytes = new byte[stream.Length - readBytes];
stream.Read(verifyBytes, 0, verifyBytes.Length);
ctx.Update(verifyBytes);
}
string verifySha1 = ctx.End();
AaruConsole.DebugWriteLine("CDRWin plugin", "Calculated SHA1: {0}", verifySha1);
AaruConsole.DebugWriteLine("CDRWin plugin", "Expected SHA1: {0}", sha1);
return(verifySha1 == sha1);
}
if (_discImage.DiscHashes.TryGetValue("md5", out string md5))
{
var ctx = new Md5Context();
foreach (IFilter filter in filters)
{
Stream stream = filter.GetDataForkStream();
readBytes = 0;
verifyBytes = new byte[verifySize];
while (readBytes + verifySize < stream.Length)
{
stream.Read(verifyBytes, 0, verifyBytes.Length);
ctx.Update(verifyBytes);
readBytes += verifyBytes.LongLength;
}
verifyBytes = new byte[stream.Length - readBytes];
stream.Read(verifyBytes, 0, verifyBytes.Length);
ctx.Update(verifyBytes);
}
string verifyMd5 = ctx.End();
AaruConsole.DebugWriteLine("CDRWin plugin", "Calculated MD5: {0}", verifyMd5);
AaruConsole.DebugWriteLine("CDRWin plugin", "Expected MD5: {0}", md5);
return(verifyMd5 == md5);
}
if (_discImage.DiscHashes.TryGetValue("crc32", out string crc32))
{
var ctx = new Crc32Context();
foreach (IFilter filter in filters)
{
Stream stream = filter.GetDataForkStream();
readBytes = 0;
verifyBytes = new byte[verifySize];
while (readBytes + verifySize < stream.Length)
{
stream.Read(verifyBytes, 0, verifyBytes.Length);
ctx.Update(verifyBytes);
readBytes += verifyBytes.LongLength;
}
verifyBytes = new byte[stream.Length - readBytes];
stream.Read(verifyBytes, 0, verifyBytes.Length);
ctx.Update(verifyBytes);
}
string verifyCrc = ctx.End();
AaruConsole.DebugWriteLine("CDRWin plugin", "Calculated CRC32: {0}", verifyCrc);
AaruConsole.DebugWriteLine("CDRWin plugin", "Expected CRC32: {0}", crc32);
return(verifyCrc == crc32);
}
foreach (string hash in _discImage.DiscHashes.Keys)
{
AaruConsole.DebugWriteLine("CDRWin plugin", "Found unsupported hash {0}", hash);
}
return(null);
}
public void Sha1EmptyFile()
{
byte[] result = Sha1Context.File(Path.Combine(Consts.TestFilesRoot, "checksums", "empty"));
Assert.AreEqual(ExpectedEmpty, result);
}
public void GetInformation(IMediaImage imagePlugin, Partition partition, out string information,
Encoding encoding)
{
Encoding = encoding ?? Encoding.GetEncoding("iso-8859-1");
StringBuilder sbInformation = new StringBuilder();
XmlFsType = new FileSystemType();
information = null;
BigEndianBitConverter.IsLittleEndian = BitConverter.IsLittleEndian;
byte[] bootBlockSectors = imagePlugin.ReadSectors(0 + partition.Start, 2);
BootBlock bootBlk = Marshal.ByteArrayToStructureBigEndian <BootBlock>(bootBlockSectors);
bootBlk.bootCode = new byte[bootBlockSectors.Length - 12];
Array.Copy(bootBlockSectors, 12, bootBlk.bootCode, 0, bootBlk.bootCode.Length);
bootBlockSectors[4] = bootBlockSectors[5] = bootBlockSectors[6] = bootBlockSectors[7] = 0;
uint bsum = AmigaBootChecksum(bootBlockSectors);
ulong bRootPtr = 0;
// If bootblock is correct, let's take its rootblock pointer
if (bsum == bootBlk.checksum)
{
bRootPtr = bootBlk.root_ptr + partition.Start;
DicConsole.DebugWriteLine("AmigaDOS plugin", "Bootblock points to {0} as Rootblock", bRootPtr);
}
ulong[] rootPtrs =
{
bRootPtr + partition.Start, (partition.End - partition.Start + 1) / 2 + partition.Start - 2,
(partition.End - partition.Start + 1) / 2 + partition.Start - 1,
(partition.End - partition.Start + 1) / 2 +
partition.Start,
(partition.End - partition.Start + 1) / 2 + partition.Start + 4
};
RootBlock rootBlk = new RootBlock();
byte[] rootBlockSector = null;
bool rootFound = false;
uint blockSize = 0;
// So to handle even number of sectors
foreach (ulong rootPtr in rootPtrs.Where(rootPtr => rootPtr < partition.End && rootPtr >= partition.Start))
{
DicConsole.DebugWriteLine("AmigaDOS plugin", "Searching for Rootblock in sector {0}", rootPtr);
rootBlockSector = imagePlugin.ReadSector(rootPtr);
rootBlk.type = BigEndianBitConverter.ToUInt32(rootBlockSector, 0x00);
DicConsole.DebugWriteLine("AmigaDOS plugin", "rootBlk.type = {0}", rootBlk.type);
if (rootBlk.type != TYPE_HEADER)
{
continue;
}
rootBlk.hashTableSize = BigEndianBitConverter.ToUInt32(rootBlockSector, 0x0C);
DicConsole.DebugWriteLine("AmigaDOS plugin", "rootBlk.hashTableSize = {0}", rootBlk.hashTableSize);
blockSize = (rootBlk.hashTableSize + 56) * 4;
uint sectorsPerBlock = (uint)(blockSize / rootBlockSector.Length);
DicConsole.DebugWriteLine("AmigaDOS plugin", "blockSize = {0}", blockSize);
DicConsole.DebugWriteLine("AmigaDOS plugin", "sectorsPerBlock = {0}", sectorsPerBlock);
if (blockSize % rootBlockSector.Length > 0)
{
sectorsPerBlock++;
}
if (rootPtr + sectorsPerBlock >= partition.End)
{
continue;
}
rootBlockSector = imagePlugin.ReadSectors(rootPtr, sectorsPerBlock);
// Clear checksum on sector
rootBlk.checksum = BigEndianBitConverter.ToUInt32(rootBlockSector, 20);
rootBlockSector[20] = rootBlockSector[21] = rootBlockSector[22] = rootBlockSector[23] = 0;
uint rsum = AmigaChecksum(rootBlockSector);
DicConsole.DebugWriteLine("AmigaDOS plugin", "rootBlk.checksum = 0x{0:X8}", rootBlk.checksum);
DicConsole.DebugWriteLine("AmigaDOS plugin", "rsum = 0x{0:X8}", rsum);
rootBlk.sec_type = BigEndianBitConverter.ToUInt32(rootBlockSector, rootBlockSector.Length - 4);
DicConsole.DebugWriteLine("AmigaDOS plugin", "rootBlk.sec_type = {0}", rootBlk.sec_type);
if (rootBlk.sec_type != SUBTYPE_ROOT || rootBlk.checksum != rsum)
{
continue;
}
rootBlockSector = imagePlugin.ReadSectors(rootPtr, sectorsPerBlock);
rootFound = true;
break;
}
if (!rootFound)
{
return;
}
rootBlk = MarshalRootBlock(rootBlockSector);
string diskName = StringHandlers.PascalToString(rootBlk.diskName, Encoding);
switch (bootBlk.diskType & 0xFF)
{
case 0:
sbInformation.Append("Amiga Original File System");
XmlFsType.Type = "Amiga OFS";
break;
case 1:
sbInformation.Append("Amiga Fast File System");
XmlFsType.Type = "Amiga FFS";
break;
case 2:
sbInformation.Append("Amiga Original File System with international characters");
XmlFsType.Type = "Amiga OFS";
break;
case 3:
sbInformation.Append("Amiga Fast File System with international characters");
XmlFsType.Type = "Amiga FFS";
break;
case 4:
sbInformation.Append("Amiga Original File System with directory cache");
XmlFsType.Type = "Amiga OFS";
break;
case 5:
sbInformation.Append("Amiga Fast File System with directory cache");
XmlFsType.Type = "Amiga FFS";
break;
case 6:
sbInformation.Append("Amiga Original File System with long filenames");
XmlFsType.Type = "Amiga OFS2";
break;
case 7:
sbInformation.Append("Amiga Fast File System with long filenames");
XmlFsType.Type = "Amiga FFS2";
break;
}
if ((bootBlk.diskType & 0x6D754600) == 0x6D754600)
{
sbInformation.Append(", with multi-user patches");
}
sbInformation.AppendLine();
sbInformation.AppendFormat("Volume name: {0}", diskName).AppendLine();
if (bootBlk.checksum == bsum)
{
Sha1Context sha1Ctx = new Sha1Context();
sha1Ctx.Update(bootBlk.bootCode);
sbInformation.AppendLine("Volume is bootable");
sbInformation.AppendFormat("Boot code SHA1 is {0}", sha1Ctx.End()).AppendLine();
}
if (rootBlk.bitmapFlag == 0xFFFFFFFF)
{
sbInformation.AppendLine("Volume bitmap is valid");
}
if (rootBlk.bitmapExtensionBlock != 0x00000000 && rootBlk.bitmapExtensionBlock != 0xFFFFFFFF)
{
sbInformation.AppendFormat("Bitmap extension at block {0}", rootBlk.bitmapExtensionBlock).AppendLine();
}
if ((bootBlk.diskType & 0xFF) == 4 || (bootBlk.diskType & 0xFF) == 5)
{
sbInformation.AppendFormat("Directory cache starts at block {0}", rootBlk.extension).AppendLine();
}
ulong blocks = (partition.End - partition.Start + 1) * imagePlugin.Info.SectorSize / blockSize;
sbInformation.AppendFormat("Volume block size is {0} bytes", blockSize).AppendLine();
sbInformation.AppendFormat("Volume has {0} blocks", blocks).AppendLine();
sbInformation.AppendFormat("Volume created on {0}",
DateHandlers.AmigaToDateTime(rootBlk.cDays, rootBlk.cMins, rootBlk.cTicks))
.AppendLine();
sbInformation.AppendFormat("Volume last modified on {0}",
DateHandlers.AmigaToDateTime(rootBlk.vDays, rootBlk.vMins, rootBlk.vTicks))
.AppendLine();
sbInformation.AppendFormat("Volume root directory last modified on on {0}",
DateHandlers.AmigaToDateTime(rootBlk.rDays, rootBlk.rMins, rootBlk.rTicks))
.AppendLine();
sbInformation.AppendFormat("Root block checksum is 0x{0:X8}", rootBlk.checksum).AppendLine();
information = sbInformation.ToString();
XmlFsType.CreationDate =
DateHandlers.AmigaToDateTime(rootBlk.cDays, rootBlk.cMins, rootBlk.cTicks);
XmlFsType.CreationDateSpecified = true;
XmlFsType.ModificationDate =
DateHandlers.AmigaToDateTime(rootBlk.vDays, rootBlk.vMins, rootBlk.vTicks);
XmlFsType.ModificationDateSpecified = true;
XmlFsType.Dirty = rootBlk.bitmapFlag != 0xFFFFFFFF;
XmlFsType.Clusters = blocks;
XmlFsType.ClusterSize = blockSize;
XmlFsType.VolumeName = diskName;
XmlFsType.Bootable = bsum == bootBlk.checksum;
// Useful as a serial
XmlFsType.VolumeSerial = $"{rootBlk.checksum:X8}";
}
public static BenchmarkResults Do(int bufferSize, int blockSize)
{
BenchmarkResults results = new BenchmarkResults
{
Entries = new Dictionary <string, BenchmarkEntry>(),
MinMemory = long.MaxValue,
MaxMemory = 0,
SeparateTime = 0
};
MemoryStream ms = new MemoryStream(bufferSize);
Random rnd = new Random();
DateTime start;
DateTime end;
start = DateTime.Now;
InitProgress();
for (int i = 0; i < bufferSize / blockSize; i++)
{
UpdateProgress("Writing block {0} of {1} with random data.", i + 1, bufferSize / blockSize);
byte[] tmp = new byte[blockSize];
rnd.NextBytes(tmp);
ms.Write(tmp, 0, blockSize);
}
EndProgress();
end = DateTime.Now;
results.FillTime = (end - start).TotalSeconds;
results.FillSpeed = bufferSize / 1048576.0 / (end - start).TotalSeconds;
ms.Seek(0, SeekOrigin.Begin);
long mem = GC.GetTotalMemory(false);
if (mem > results.MaxMemory)
{
results.MaxMemory = mem;
}
if (mem < results.MinMemory)
{
results.MinMemory = mem;
}
start = DateTime.Now;
InitProgress();
for (int i = 0; i < bufferSize / blockSize; i++)
{
UpdateProgress("Reading block {0} of {1}.", i + 1, bufferSize / blockSize);
byte[] tmp = new byte[blockSize];
ms.Read(tmp, 0, blockSize);
}
EndProgress();
end = DateTime.Now;
mem = GC.GetTotalMemory(false);
if (mem > results.MaxMemory)
{
results.MaxMemory = mem;
}
if (mem < results.MinMemory)
{
results.MinMemory = mem;
}
results.ReadTime = (end - start).TotalSeconds;
results.ReadSpeed = bufferSize / 1048576.0 / (end - start).TotalSeconds;
#region Adler32
IChecksum ctx = new Adler32Context();
ms.Seek(0, SeekOrigin.Begin);
mem = GC.GetTotalMemory(false);
if (mem > results.MaxMemory)
{
results.MaxMemory = mem;
}
if (mem < results.MinMemory)
{
results.MinMemory = mem;
}
start = DateTime.Now;
InitProgress();
for (int i = 0; i < bufferSize / blockSize; i++)
{
UpdateProgress("Checksumming block {0} of {1} with Adler32.", i + 1, bufferSize / blockSize);
byte[] tmp = new byte[blockSize];
ms.Read(tmp, 0, blockSize);
ctx.Update(tmp);
}
EndProgress();
ctx.End();
end = DateTime.Now;
mem = GC.GetTotalMemory(false);
if (mem > results.MaxMemory)
{
results.MaxMemory = mem;
}
if (mem < results.MinMemory)
{
results.MinMemory = mem;
}
results.Entries.Add("Adler32",
new BenchmarkEntry
{
TimeSpan = (end - start).TotalSeconds,
Speed = bufferSize / 1048576.0 / (end - start).TotalSeconds
});
results.SeparateTime += (end - start).TotalSeconds;
#endregion Adler32
#region Fletcher16
ctx = new Fletcher16Context();
ms.Seek(0, SeekOrigin.Begin);
mem = GC.GetTotalMemory(false);
if (mem > results.MaxMemory)
{
results.MaxMemory = mem;
}
if (mem < results.MinMemory)
{
results.MinMemory = mem;
}
start = DateTime.Now;
InitProgress();
for (int i = 0; i < bufferSize / blockSize; i++)
{
UpdateProgress("Checksumming block {0} of {1} with Fletcher-16.", i + 1, bufferSize / blockSize);
byte[] tmp = new byte[blockSize];
ms.Read(tmp, 0, blockSize);
ctx.Update(tmp);
}
EndProgress();
ctx.End();
end = DateTime.Now;
mem = GC.GetTotalMemory(false);
if (mem > results.MaxMemory)
{
results.MaxMemory = mem;
}
if (mem < results.MinMemory)
{
results.MinMemory = mem;
}
results.Entries.Add("Fletcher16",
new BenchmarkEntry
{
TimeSpan = (end - start).TotalSeconds,
Speed = bufferSize / 1048576.0 / (end - start).TotalSeconds
});
results.SeparateTime += (end - start).TotalSeconds;
#endregion Fletcher16
#region Fletcher32
ctx = new Fletcher32Context();
ms.Seek(0, SeekOrigin.Begin);
mem = GC.GetTotalMemory(false);
if (mem > results.MaxMemory)
{
results.MaxMemory = mem;
}
if (mem < results.MinMemory)
{
results.MinMemory = mem;
}
start = DateTime.Now;
InitProgress();
for (int i = 0; i < bufferSize / blockSize; i++)
{
UpdateProgress("Checksumming block {0} of {1} with Fletcher-32.", i + 1, bufferSize / blockSize);
byte[] tmp = new byte[blockSize];
ms.Read(tmp, 0, blockSize);
ctx.Update(tmp);
}
EndProgress();
ctx.End();
end = DateTime.Now;
mem = GC.GetTotalMemory(false);
if (mem > results.MaxMemory)
{
results.MaxMemory = mem;
}
if (mem < results.MinMemory)
{
results.MinMemory = mem;
}
results.Entries.Add("Fletcher32",
new BenchmarkEntry
{
TimeSpan = (end - start).TotalSeconds,
Speed = bufferSize / 1048576.0 / (end - start).TotalSeconds
});
results.SeparateTime += (end - start).TotalSeconds;
#endregion Fletcher32
#region CRC16
ctx = new Crc16Context();
ms.Seek(0, SeekOrigin.Begin);
mem = GC.GetTotalMemory(false);
if (mem > results.MaxMemory)
{
results.MaxMemory = mem;
}
if (mem < results.MinMemory)
{
results.MinMemory = mem;
}
start = DateTime.Now;
InitProgress();
for (int i = 0; i < bufferSize / blockSize; i++)
{
UpdateProgress("Checksumming block {0} of {1} with CRC16.", i + 1, bufferSize / blockSize);
byte[] tmp = new byte[blockSize];
ms.Read(tmp, 0, blockSize);
ctx.Update(tmp);
}
EndProgress();
ctx.End();
end = DateTime.Now;
mem = GC.GetTotalMemory(false);
if (mem > results.MaxMemory)
{
results.MaxMemory = mem;
}
if (mem < results.MinMemory)
{
results.MinMemory = mem;
}
results.Entries.Add("CRC16",
new BenchmarkEntry
{
TimeSpan = (end - start).TotalSeconds,
Speed = bufferSize / 1048576.0 / (end - start).TotalSeconds
});
results.SeparateTime += (end - start).TotalSeconds;
#endregion CRC16
#region CRC32
ctx = new Crc32Context();
ms.Seek(0, SeekOrigin.Begin);
mem = GC.GetTotalMemory(false);
if (mem > results.MaxMemory)
{
results.MaxMemory = mem;
}
if (mem < results.MinMemory)
{
results.MinMemory = mem;
}
start = DateTime.Now;
InitProgress();
for (int i = 0; i < bufferSize / blockSize; i++)
{
UpdateProgress("Checksumming block {0} of {1} with CRC32.", i + 1, bufferSize / blockSize);
byte[] tmp = new byte[blockSize];
ms.Read(tmp, 0, blockSize);
ctx.Update(tmp);
}
EndProgress();
ctx.End();
end = DateTime.Now;
mem = GC.GetTotalMemory(false);
if (mem > results.MaxMemory)
{
results.MaxMemory = mem;
}
if (mem < results.MinMemory)
{
results.MinMemory = mem;
}
results.Entries.Add("CRC32",
new BenchmarkEntry
{
TimeSpan = (end - start).TotalSeconds,
Speed = bufferSize / 1048576.0 / (end - start).TotalSeconds
});
results.SeparateTime += (end - start).TotalSeconds;
#endregion CRC32
#region CRC64
ctx = new Crc64Context();
ms.Seek(0, SeekOrigin.Begin);
mem = GC.GetTotalMemory(false);
if (mem > results.MaxMemory)
{
results.MaxMemory = mem;
}
if (mem < results.MinMemory)
{
results.MinMemory = mem;
}
start = DateTime.Now;
InitProgress();
for (int i = 0; i < bufferSize / blockSize; i++)
{
UpdateProgress("Checksumming block {0} of {1} with CRC64.", i + 1, bufferSize / blockSize);
byte[] tmp = new byte[blockSize];
ms.Read(tmp, 0, blockSize);
ctx.Update(tmp);
}
EndProgress();
ctx.End();
end = DateTime.Now;
mem = GC.GetTotalMemory(false);
if (mem > results.MaxMemory)
{
results.MaxMemory = mem;
}
if (mem < results.MinMemory)
{
results.MinMemory = mem;
}
results.Entries.Add("CRC64",
new BenchmarkEntry
{
TimeSpan = (end - start).TotalSeconds,
Speed = bufferSize / 1048576.0 / (end - start).TotalSeconds
});
results.SeparateTime += (end - start).TotalSeconds;
#endregion CRC64
#region MD5
ctx = new Md5Context();
ms.Seek(0, SeekOrigin.Begin);
mem = GC.GetTotalMemory(false);
if (mem > results.MaxMemory)
{
results.MaxMemory = mem;
}
if (mem < results.MinMemory)
{
results.MinMemory = mem;
}
start = DateTime.Now;
InitProgress();
for (int i = 0; i < bufferSize / blockSize; i++)
{
UpdateProgress("Checksumming block {0} of {1} with MD5.", i + 1, bufferSize / blockSize);
byte[] tmp = new byte[blockSize];
ms.Read(tmp, 0, blockSize);
ctx.Update(tmp);
}
EndProgress();
ctx.End();
end = DateTime.Now;
mem = GC.GetTotalMemory(false);
if (mem > results.MaxMemory)
{
results.MaxMemory = mem;
}
if (mem < results.MinMemory)
{
results.MinMemory = mem;
}
results.Entries.Add("MD5",
new BenchmarkEntry
{
TimeSpan = (end - start).TotalSeconds,
Speed = bufferSize / 1048576.0 / (end - start).TotalSeconds
});
results.SeparateTime += (end - start).TotalSeconds;
#endregion MD5
#if !NETSTANDARD2_0
#region RIPEMD160
ctx = new Ripemd160Context();
ms.Seek(0, SeekOrigin.Begin);
mem = GC.GetTotalMemory(false);
if (mem > results.MaxMemory)
{
results.MaxMemory = mem;
}
if (mem < results.MinMemory)
{
results.MinMemory = mem;
}
start = DateTime.Now;
InitProgress();
for (int i = 0; i < bufferSize / blockSize; i++)
{
UpdateProgress("Checksumming block {0} of {1} with RIPEMD160.", i + 1, bufferSize / blockSize);
byte[] tmp = new byte[blockSize];
ms.Read(tmp, 0, blockSize);
ctx.Update(tmp);
}
EndProgress();
ctx.End();
end = DateTime.Now;
mem = GC.GetTotalMemory(false);
if (mem > results.MaxMemory)
{
results.MaxMemory = mem;
}
if (mem < results.MinMemory)
{
results.MinMemory = mem;
}
results.Entries.Add("RIPEMD160",
new BenchmarkEntry
{
TimeSpan = (end - start).TotalSeconds,
Speed = bufferSize / 1048576.0 / (end - start).TotalSeconds
});
results.SeparateTime += (end - start).TotalSeconds;
#endregion RIPEMD160
#endif
#region SHA1
ctx = new Sha1Context();
ms.Seek(0, SeekOrigin.Begin);
mem = GC.GetTotalMemory(false);
if (mem > results.MaxMemory)
{
results.MaxMemory = mem;
}
if (mem < results.MinMemory)
{
results.MinMemory = mem;
}
start = DateTime.Now;
InitProgress();
for (int i = 0; i < bufferSize / blockSize; i++)
{
UpdateProgress("Checksumming block {0} of {1} with SHA1.", i + 1, bufferSize / blockSize);
byte[] tmp = new byte[blockSize];
ms.Read(tmp, 0, blockSize);
ctx.Update(tmp);
}
EndProgress();
ctx.End();
end = DateTime.Now;
mem = GC.GetTotalMemory(false);
if (mem > results.MaxMemory)
{
results.MaxMemory = mem;
}
if (mem < results.MinMemory)
{
results.MinMemory = mem;
}
results.Entries.Add("SHA1",
new BenchmarkEntry
{
TimeSpan = (end - start).TotalSeconds,
Speed = bufferSize / 1048576.0 / (end - start).TotalSeconds
});
results.SeparateTime += (end - start).TotalSeconds;
#endregion SHA1
#region SHA256
ctx = new Sha256Context();
ms.Seek(0, SeekOrigin.Begin);
mem = GC.GetTotalMemory(false);
if (mem > results.MaxMemory)
{
results.MaxMemory = mem;
}
if (mem < results.MinMemory)
{
results.MinMemory = mem;
}
start = DateTime.Now;
InitProgress();
for (int i = 0; i < bufferSize / blockSize; i++)
{
UpdateProgress("Checksumming block {0} of {1} with SHA256.", i + 1, bufferSize / blockSize);
byte[] tmp = new byte[blockSize];
ms.Read(tmp, 0, blockSize);
ctx.Update(tmp);
}
EndProgress();
ctx.End();
end = DateTime.Now;
mem = GC.GetTotalMemory(false);
if (mem > results.MaxMemory)
{
results.MaxMemory = mem;
}
if (mem < results.MinMemory)
{
results.MinMemory = mem;
}
results.Entries.Add("SHA256",
new BenchmarkEntry
{
TimeSpan = (end - start).TotalSeconds,
Speed = bufferSize / 1048576.0 / (end - start).TotalSeconds
});
results.SeparateTime += (end - start).TotalSeconds;
#endregion SHA256
#region SHA384
ctx = new Sha384Context();
ms.Seek(0, SeekOrigin.Begin);
mem = GC.GetTotalMemory(false);
if (mem > results.MaxMemory)
{
results.MaxMemory = mem;
}
if (mem < results.MinMemory)
{
results.MinMemory = mem;
}
start = DateTime.Now;
InitProgress();
for (int i = 0; i < bufferSize / blockSize; i++)
{
UpdateProgress("Checksumming block {0} of {1} with SHA384.", i + 1, bufferSize / blockSize);
byte[] tmp = new byte[blockSize];
ms.Read(tmp, 0, blockSize);
ctx.Update(tmp);
}
EndProgress();
ctx.End();
end = DateTime.Now;
mem = GC.GetTotalMemory(false);
if (mem > results.MaxMemory)
{
results.MaxMemory = mem;
}
if (mem < results.MinMemory)
{
results.MinMemory = mem;
}
results.Entries.Add("SHA384",
new BenchmarkEntry
{
TimeSpan = (end - start).TotalSeconds,
Speed = bufferSize / 1048576.0 / (end - start).TotalSeconds
});
results.SeparateTime += (end - start).TotalSeconds;
#endregion SHA384
#region SHA512
ctx = new Sha512Context();
ms.Seek(0, SeekOrigin.Begin);
mem = GC.GetTotalMemory(false);
if (mem > results.MaxMemory)
{
results.MaxMemory = mem;
}
if (mem < results.MinMemory)
{
results.MinMemory = mem;
}
start = DateTime.Now;
InitProgress();
for (int i = 0; i < bufferSize / blockSize; i++)
{
UpdateProgress("Checksumming block {0} of {1} with SHA512.", i + 1, bufferSize / blockSize);
byte[] tmp = new byte[blockSize];
ms.Read(tmp, 0, blockSize);
ctx.Update(tmp);
}
EndProgress();
ctx.End();
end = DateTime.Now;
mem = GC.GetTotalMemory(false);
if (mem > results.MaxMemory)
{
results.MaxMemory = mem;
}
if (mem < results.MinMemory)
{
results.MinMemory = mem;
}
results.Entries.Add("SHA512",
new BenchmarkEntry
{
TimeSpan = (end - start).TotalSeconds,
Speed = bufferSize / 1048576.0 / (end - start).TotalSeconds
});
results.SeparateTime += (end - start).TotalSeconds;
#endregion SHA512
#region SpamSum
ctx = new SpamSumContext();
ms.Seek(0, SeekOrigin.Begin);
mem = GC.GetTotalMemory(false);
if (mem > results.MaxMemory)
{
results.MaxMemory = mem;
}
if (mem < results.MinMemory)
{
results.MinMemory = mem;
}
start = DateTime.Now;
InitProgress();
for (int i = 0; i < bufferSize / blockSize; i++)
{
UpdateProgress("Checksumming block {0} of {1} with SpamSum.", i + 1, bufferSize / blockSize);
byte[] tmp = new byte[blockSize];
ms.Read(tmp, 0, blockSize);
ctx.Update(tmp);
}
EndProgress();
ctx.End();
end = DateTime.Now;
mem = GC.GetTotalMemory(false);
if (mem > results.MaxMemory)
{
results.MaxMemory = mem;
}
if (mem < results.MinMemory)
{
results.MinMemory = mem;
}
results.Entries.Add("SpamSum",
new BenchmarkEntry
{
TimeSpan = (end - start).TotalSeconds,
Speed = bufferSize / 1048576.0 / (end - start).TotalSeconds
});
results.SeparateTime += (end - start).TotalSeconds;
#endregion SpamSum
#region Entropy
ulong[] entTable = new ulong[256];
ms.Seek(0, SeekOrigin.Begin);
mem = GC.GetTotalMemory(false);
if (mem > results.MaxMemory)
{
results.MaxMemory = mem;
}
if (mem < results.MinMemory)
{
results.MinMemory = mem;
}
start = DateTime.Now;
InitProgress();
for (int i = 0; i < bufferSize / blockSize; i++)
{
UpdateProgress("Entropying block {0} of {1}.", i + 1, bufferSize / blockSize);
byte[] tmp = new byte[blockSize];
ms.Read(tmp, 0, blockSize);
foreach (byte b in tmp)
{
entTable[b]++;
}
}
EndProgress();
end = DateTime.Now;
mem = GC.GetTotalMemory(false);
if (mem > results.MaxMemory)
{
results.MaxMemory = mem;
}
if (mem < results.MinMemory)
{
results.MinMemory = mem;
}
results.EntropyTime = (end - start).TotalSeconds;
results.EntropySpeed = bufferSize / 1048576.0 / (end - start).TotalSeconds;
#endregion Entropy
/*
#region Multitasking
* start = DateTime.Now;
* Checksum allChecksums = new Checksum();
* InitProgress();
* for(int i = 0; i < bufferSize / blockSize; i++)
* {
* UpdateProgress("Checksumming block {0} of {1} with all algorithms at the same time.", i + 1,
* bufferSize / blockSize);
* byte[] tmp = new byte[blockSize];
* ms.Read(tmp, 0, blockSize);
*
* allChecksums.Update(tmp);
* }
*
* EndProgress();
*
* allChecksums.End();
* end = DateTime.Now;
* mem = GC.GetTotalMemory(false);
* if(mem > results.MaxMemory) results.MaxMemory = mem;
* if(mem < results.MinMemory) results.MinMemory = mem;
*
* results.TotalTime = (end - start).TotalSeconds;
* results.TotalSpeed = bufferSize / 1048576.0 / results.TotalTime;
#endregion
*/
results.SeparateSpeed = bufferSize / 1048576.0 / results.SeparateTime;
return(results);
}
public void GetInformation(IMediaImage imagePlugin, Partition partition, out string information,
Encoding encoding)
{
Encoding = encoding ?? Encoding.GetEncoding("IBM437");
information = "";
var sb = new StringBuilder();
XmlFsType = new FileSystemType();
uint sectorsPerBpb = imagePlugin.Info.SectorSize < 512 ? 512 / imagePlugin.Info.SectorSize : 1;
byte[] bpbSector = imagePlugin.ReadSectors(0 + partition.Start, sectorsPerBpb);
BpbKind bpbKind = DetectBpbKind(bpbSector, imagePlugin, partition, out BiosParameterBlockEbpb fakeBpb,
out HumanParameterBlock humanBpb, out AtariParameterBlock atariBpb,
out byte minBootNearJump, out bool andosOemCorrect, out bool bootable);
bool isFat12 = false;
bool isFat16 = false;
bool isFat32 = false;
ulong rootDirectorySector = 0;
string extraInfo = null;
string bootChk = null;
XmlFsType.Bootable = bootable;
// This is needed because for FAT16, GEMDOS increases bytes per sector count instead of using big_sectors field.
uint sectorsPerRealSector;
// This is needed because some OSes don't put volume label as first entry in the root directory
uint sectorsForRootDirectory = 0;
switch (bpbKind)
{
case BpbKind.DecRainbow:
case BpbKind.Hardcoded:
case BpbKind.Msx:
case BpbKind.Apricot:
isFat12 = true;
break;
case BpbKind.ShortFat32:
case BpbKind.LongFat32:
{
isFat32 = true;
Fat32ParameterBlock fat32Bpb =
Marshal.ByteArrayToStructureLittleEndian <Fat32ParameterBlock>(bpbSector);
Fat32ParameterBlockShort shortFat32Bpb =
Marshal.ByteArrayToStructureLittleEndian <Fat32ParameterBlockShort>(bpbSector);
// This is to support FAT partitions on hybrid ISO/USB images
if (imagePlugin.Info.XmlMediaType == XmlMediaType.OpticalDisc)
{
fat32Bpb.bps *= 4;
fat32Bpb.spc /= 4;
fat32Bpb.big_spfat /= 4;
fat32Bpb.hsectors /= 4;
fat32Bpb.sptrk /= 4;
}
if (fat32Bpb.version != 0)
{
sb.AppendLine("FAT+");
XmlFsType.Type = "FAT+";
}
else
{
sb.AppendLine("Microsoft FAT32");
XmlFsType.Type = "FAT32";
}
if (fat32Bpb.oem_name != null)
{
if (fat32Bpb.oem_name[5] == 0x49 &&
fat32Bpb.oem_name[6] == 0x48 &&
fat32Bpb.oem_name[7] == 0x43)
{
sb.AppendLine("Volume has been modified by Windows 9x/Me Volume Tracker.");
}
else
{
XmlFsType.SystemIdentifier = StringHandlers.CToString(fat32Bpb.oem_name);
}
}
if (!string.IsNullOrEmpty(XmlFsType.SystemIdentifier))
{
sb.AppendFormat("OEM Name: {0}", XmlFsType.SystemIdentifier.Trim()).AppendLine();
}
sb.AppendFormat("{0} bytes per sector.", fat32Bpb.bps).AppendLine();
sb.AppendFormat("{0} sectors per cluster.", fat32Bpb.spc).AppendLine();
XmlFsType.ClusterSize = (uint)(fat32Bpb.bps * fat32Bpb.spc);
sb.AppendFormat("{0} sectors reserved between BPB and FAT.", fat32Bpb.rsectors).AppendLine();
if (fat32Bpb.big_sectors == 0 &&
fat32Bpb.signature == 0x28)
{
sb.AppendFormat("{0} sectors on volume ({1} bytes).", shortFat32Bpb.huge_sectors,
shortFat32Bpb.huge_sectors * shortFat32Bpb.bps).AppendLine();
XmlFsType.Clusters = shortFat32Bpb.huge_sectors / shortFat32Bpb.spc;
}
else
{
sb.AppendFormat("{0} sectors on volume ({1} bytes).", fat32Bpb.big_sectors,
fat32Bpb.big_sectors * fat32Bpb.bps).AppendLine();
XmlFsType.Clusters = fat32Bpb.big_sectors / fat32Bpb.spc;
}
sb.AppendFormat("{0} clusters on volume.", XmlFsType.Clusters).AppendLine();
sb.AppendFormat("Media descriptor: 0x{0:X2}", fat32Bpb.media).AppendLine();
sb.AppendFormat("{0} sectors per FAT.", fat32Bpb.big_spfat).AppendLine();
sb.AppendFormat("{0} sectors per track.", fat32Bpb.sptrk).AppendLine();
sb.AppendFormat("{0} heads.", fat32Bpb.heads).AppendLine();
sb.AppendFormat("{0} hidden sectors before BPB.", fat32Bpb.hsectors).AppendLine();
sb.AppendFormat("Cluster of root directory: {0}", fat32Bpb.root_cluster).AppendLine();
sb.AppendFormat("Sector of FSINFO structure: {0}", fat32Bpb.fsinfo_sector).AppendLine();
sb.AppendFormat("Sector of backup FAT32 parameter block: {0}", fat32Bpb.backup_sector).AppendLine();
sb.AppendFormat("Drive number: 0x{0:X2}", fat32Bpb.drive_no).AppendLine();
sb.AppendFormat("Volume Serial Number: 0x{0:X8}", fat32Bpb.serial_no).AppendLine();
XmlFsType.VolumeSerial = $"{fat32Bpb.serial_no:X8}";
if ((fat32Bpb.flags & 0xF8) == 0x00)
{
if ((fat32Bpb.flags & 0x01) == 0x01)
{
sb.AppendLine("Volume should be checked on next mount.");
XmlFsType.Dirty = true;
}
if ((fat32Bpb.flags & 0x02) == 0x02)
{
sb.AppendLine("Disk surface should be on next mount.");
}
}
if ((fat32Bpb.mirror_flags & 0x80) == 0x80)
{
sb.AppendFormat("FATs are out of sync. FAT #{0} is in use.", fat32Bpb.mirror_flags & 0xF).
AppendLine();
}
else
{
sb.AppendLine("All copies of FAT are the same.");
}
if ((fat32Bpb.mirror_flags & 0x6F20) == 0x6F20)
{
sb.AppendLine("DR-DOS will boot this FAT32 using CHS.");
}
else if ((fat32Bpb.mirror_flags & 0x4F20) == 0x4F20)
{
sb.AppendLine("DR-DOS will boot this FAT32 using LBA.");
}
if (fat32Bpb.signature == 0x29)
{
XmlFsType.VolumeName = Encoding.ASCII.GetString(fat32Bpb.volume_label);
sb.AppendFormat("Filesystem type: {0}", Encoding.ASCII.GetString(fat32Bpb.fs_type)).
AppendLine();
bootChk = Sha1Context.Data(fat32Bpb.boot_code, out _);
}
else
{
bootChk = Sha1Context.Data(shortFat32Bpb.boot_code, out _);
}
// Check that jumps to a correct boot code position and has boot signature set.
// This will mean that the volume will boot, even if just to say "this is not bootable change disk"......
XmlFsType.Bootable =
(fat32Bpb.jump[0] == 0xEB && fat32Bpb.jump[1] >= minBootNearJump && fat32Bpb.jump[1] < 0x80) ||
(fat32Bpb.jump[0] == 0xE9 && fat32Bpb.jump.Length >= 3 &&
BitConverter.ToUInt16(fat32Bpb.jump, 1) >= minBootNearJump &&
BitConverter.ToUInt16(fat32Bpb.jump, 1) <= 0x1FC);
sectorsPerRealSector = fat32Bpb.bps / imagePlugin.Info.SectorSize;
// First root directory sector
rootDirectorySector =
(ulong)(((fat32Bpb.root_cluster - 2) * fat32Bpb.spc) + (fat32Bpb.big_spfat * fat32Bpb.fats_no) +
fat32Bpb.rsectors) * sectorsPerRealSector;
sectorsForRootDirectory = 1;
if (fat32Bpb.fsinfo_sector + partition.Start <= partition.End)
{
byte[] fsinfoSector = imagePlugin.ReadSector(fat32Bpb.fsinfo_sector + partition.Start);
FsInfoSector fsInfo = Marshal.ByteArrayToStructureLittleEndian <FsInfoSector>(fsinfoSector);
if (fsInfo.signature1 == FSINFO_SIGNATURE1 &&
fsInfo.signature2 == FSINFO_SIGNATURE2 &&
fsInfo.signature3 == FSINFO_SIGNATURE3)
{
if (fsInfo.free_clusters < 0xFFFFFFFF)
{
sb.AppendFormat("{0} free clusters", fsInfo.free_clusters).AppendLine();
XmlFsType.FreeClusters = fsInfo.free_clusters;
XmlFsType.FreeClustersSpecified = true;
}
if (fsInfo.last_cluster > 2 &&
fsInfo.last_cluster < 0xFFFFFFFF)
{
sb.AppendFormat("Last allocated cluster {0}", fsInfo.last_cluster).AppendLine();
}
}
}
break;
}
// Some fields could overflow fake BPB, those will be handled below
case BpbKind.Atari:
{
ushort sum = 0;
for (int i = 0; i < bpbSector.Length; i += 2)
{
sum += BigEndianBitConverter.ToUInt16(bpbSector, i);
}
// TODO: Check this
if (sum == 0x1234)
{
XmlFsType.Bootable = true;
var atariSb = new StringBuilder();
atariSb.AppendFormat("cmdload will be loaded with value {0:X4}h",
BigEndianBitConverter.ToUInt16(bpbSector, 0x01E)).AppendLine();
atariSb.AppendFormat("Boot program will be loaded at address {0:X4}h", atariBpb.ldaaddr).
AppendLine();
atariSb.AppendFormat("FAT and directory will be cached at address {0:X4}h", atariBpb.fatbuf).
AppendLine();
if (atariBpb.ldmode == 0)
{
byte[] tmp = new byte[8];
Array.Copy(atariBpb.fname, 0, tmp, 0, 8);
string fname = Encoding.ASCII.GetString(tmp).Trim();
tmp = new byte[3];
Array.Copy(atariBpb.fname, 8, tmp, 0, 3);
string extension = Encoding.ASCII.GetString(tmp).Trim();
string filename;
if (string.IsNullOrEmpty(extension))
{
filename = fname;
}
else
{
filename = fname + "." + extension;
}
atariSb.AppendFormat("Boot program resides in file \"{0}\"", filename).AppendLine();
}
else
{
atariSb.
AppendFormat("Boot program starts in sector {0} and is {1} sectors long ({2} bytes)",
atariBpb.ssect, atariBpb.sectcnt, atariBpb.sectcnt * atariBpb.bps).
AppendLine();
}
extraInfo = atariSb.ToString();
}
break;
}
case BpbKind.Human:
XmlFsType.Bootable = true;
break;
}
if (!isFat32)
{
// This is to support FAT partitions on hybrid ISO/USB images
if (imagePlugin.Info.XmlMediaType == XmlMediaType.OpticalDisc)
{
fakeBpb.bps *= 4;
fakeBpb.spc /= 4;
fakeBpb.spfat /= 4;
fakeBpb.hsectors /= 4;
fakeBpb.sptrk /= 4;
fakeBpb.rsectors /= 4;
if (fakeBpb.spc == 0)
{
fakeBpb.spc = 1;
}
}
// This assumes no sane implementation will violate cluster size rules
// However nothing prevents this to happen
// If first file on disk uses only one cluster there is absolutely no way to differentiate between FAT12 and FAT16,
// so let's hope implementations use common sense?
if (!isFat12 &&
!isFat16)
{
ulong clusters;
if (fakeBpb.sectors == 0)
{
clusters = fakeBpb.spc == 0 ? fakeBpb.big_sectors : fakeBpb.big_sectors / fakeBpb.spc;
}
else
{
clusters = fakeBpb.spc == 0 ? fakeBpb.sectors : (ulong)fakeBpb.sectors / fakeBpb.spc;
}
if (clusters < 4089)
{
isFat12 = true;
}
else
{
isFat16 = true;
}
}
if (isFat12)
{
switch (bpbKind)
{
case BpbKind.Atari:
sb.AppendLine("Atari FAT12");
break;
case BpbKind.Apricot:
sb.AppendLine("Apricot FAT12");
break;
case BpbKind.Human:
sb.AppendLine("Human68k FAT12");
break;
default:
sb.AppendLine("Microsoft FAT12");
break;
}
XmlFsType.Type = "FAT12";
}
else if (isFat16)
{
sb.AppendLine(bpbKind == BpbKind.Atari
? "Atari FAT16"
: bpbKind == BpbKind.Human
? "Human68k FAT16"
: "Microsoft FAT16");
XmlFsType.Type = "FAT16";
}
if (bpbKind == BpbKind.Atari)
{
if (atariBpb.serial_no[0] == 0x49 &&
atariBpb.serial_no[1] == 0x48 &&
atariBpb.serial_no[2] == 0x43)
{
sb.AppendLine("Volume has been modified by Windows 9x/Me Volume Tracker.");
}
else
{
XmlFsType.VolumeSerial =
$"{atariBpb.serial_no[0]:X2}{atariBpb.serial_no[1]:X2}{atariBpb.serial_no[2]:X2}";
}
XmlFsType.SystemIdentifier = StringHandlers.CToString(atariBpb.oem_name);
if (string.IsNullOrEmpty(XmlFsType.SystemIdentifier))
{
XmlFsType.SystemIdentifier = null;
}
}
else if (fakeBpb.oem_name != null)
{
if (fakeBpb.oem_name[5] == 0x49 &&
fakeBpb.oem_name[6] == 0x48 &&
fakeBpb.oem_name[7] == 0x43)
{
sb.AppendLine("Volume has been modified by Windows 9x/Me Volume Tracker.");
}
else
{
// Later versions of Windows create a DOS 3 BPB without OEM name on 8 sectors/track floppies
// OEM ID should be ASCII, otherwise ignore it
if (fakeBpb.oem_name[0] >= 0x20 &&
fakeBpb.oem_name[0] <= 0x7F &&
fakeBpb.oem_name[1] >= 0x20 &&
fakeBpb.oem_name[1] <= 0x7F &&
fakeBpb.oem_name[2] >= 0x20 &&
fakeBpb.oem_name[2] <= 0x7F &&
fakeBpb.oem_name[3] >= 0x20 &&
fakeBpb.oem_name[3] <= 0x7F &&
fakeBpb.oem_name[4] >= 0x20 &&
fakeBpb.oem_name[4] <= 0x7F &&
fakeBpb.oem_name[5] >= 0x20 &&
fakeBpb.oem_name[5] <= 0x7F &&
fakeBpb.oem_name[6] >= 0x20 &&
fakeBpb.oem_name[6] <= 0x7F &&
fakeBpb.oem_name[7] >= 0x20 &&
fakeBpb.oem_name[7] <= 0x7F)
{
XmlFsType.SystemIdentifier = StringHandlers.CToString(fakeBpb.oem_name);
}
else if (fakeBpb.oem_name[0] < 0x20 &&
fakeBpb.oem_name[1] >= 0x20 &&
fakeBpb.oem_name[1] <= 0x7F &&
fakeBpb.oem_name[2] >= 0x20 &&
fakeBpb.oem_name[2] <= 0x7F &&
fakeBpb.oem_name[3] >= 0x20 &&
fakeBpb.oem_name[3] <= 0x7F &&
fakeBpb.oem_name[4] >= 0x20 &&
fakeBpb.oem_name[4] <= 0x7F &&
fakeBpb.oem_name[5] >= 0x20 &&
fakeBpb.oem_name[5] <= 0x7F &&
fakeBpb.oem_name[6] >= 0x20 &&
fakeBpb.oem_name[6] <= 0x7F &&
fakeBpb.oem_name[7] >= 0x20 &&
fakeBpb.oem_name[7] <= 0x7F)
{
XmlFsType.SystemIdentifier = StringHandlers.CToString(fakeBpb.oem_name, Encoding, start: 1);
}
}
if (fakeBpb.signature == 0x28 ||
fakeBpb.signature == 0x29)
{
XmlFsType.VolumeSerial = $"{fakeBpb.serial_no:X8}";
}
}
if (XmlFsType.SystemIdentifier != null)
{
sb.AppendFormat("OEM Name: {0}", XmlFsType.SystemIdentifier.Trim()).AppendLine();
}
sb.AppendFormat("{0} bytes per sector.", fakeBpb.bps).AppendLine();
if (bpbKind != BpbKind.Human)
{
if (fakeBpb.sectors == 0)
{
sb.AppendFormat("{0} sectors on volume ({1} bytes).", fakeBpb.big_sectors,
fakeBpb.big_sectors * fakeBpb.bps).AppendLine();
XmlFsType.Clusters = fakeBpb.spc == 0 ? fakeBpb.big_sectors : fakeBpb.big_sectors / fakeBpb.spc;
}
else
{
sb.AppendFormat("{0} sectors on volume ({1} bytes).", fakeBpb.sectors,
fakeBpb.sectors * fakeBpb.bps).AppendLine();
XmlFsType.Clusters =
(ulong)(fakeBpb.spc == 0 ? fakeBpb.sectors : fakeBpb.sectors / fakeBpb.spc);
}
}
else
{
XmlFsType.Clusters = humanBpb.clusters == 0 ? humanBpb.big_clusters : humanBpb.clusters;
sb.AppendFormat("{0} sectors on volume ({1} bytes).",
(XmlFsType.Clusters * humanBpb.bpc) / imagePlugin.Info.SectorSize,
XmlFsType.Clusters * humanBpb.bpc).AppendLine();
}
sb.AppendFormat("{0} sectors per cluster.", fakeBpb.spc).AppendLine();
sb.AppendFormat("{0} clusters on volume.", XmlFsType.Clusters).AppendLine();
XmlFsType.ClusterSize = (uint)(fakeBpb.bps * fakeBpb.spc);
sb.AppendFormat("{0} sectors reserved between BPB and FAT.", fakeBpb.rsectors).AppendLine();
sb.AppendFormat("{0} FATs.", fakeBpb.fats_no).AppendLine();
sb.AppendFormat("{0} entries on root directory.", fakeBpb.root_ent).AppendLine();
if (fakeBpb.media > 0)
{
sb.AppendFormat("Media descriptor: 0x{0:X2}", fakeBpb.media).AppendLine();
}
sb.AppendFormat("{0} sectors per FAT.", fakeBpb.spfat).AppendLine();
if (fakeBpb.sptrk > 0 &&
fakeBpb.sptrk < 64 &&
fakeBpb.heads > 0 &&
fakeBpb.heads < 256)
{
sb.AppendFormat("{0} sectors per track.", fakeBpb.sptrk).AppendLine();
sb.AppendFormat("{0} heads.", fakeBpb.heads).AppendLine();
}
if (fakeBpb.hsectors <= partition.Start)
{
sb.AppendFormat("{0} hidden sectors before BPB.", fakeBpb.hsectors).AppendLine();
}
if (fakeBpb.signature == 0x28 ||
fakeBpb.signature == 0x29 ||
andosOemCorrect)
{
sb.AppendFormat("Drive number: 0x{0:X2}", fakeBpb.drive_no).AppendLine();
if (XmlFsType.VolumeSerial != null)
{
sb.AppendFormat("Volume Serial Number: {0}", XmlFsType.VolumeSerial).AppendLine();
}
if ((fakeBpb.flags & 0xF8) == 0x00)
{
if ((fakeBpb.flags & 0x01) == 0x01)
{
sb.AppendLine("Volume should be checked on next mount.");
XmlFsType.Dirty = true;
}
if ((fakeBpb.flags & 0x02) == 0x02)
{
sb.AppendLine("Disk surface should be on next mount.");
}
}
if (fakeBpb.signature == 0x29 || andosOemCorrect)
{
XmlFsType.VolumeName = Encoding.ASCII.GetString(fakeBpb.volume_label);
sb.AppendFormat("Filesystem type: {0}", Encoding.ASCII.GetString(fakeBpb.fs_type)).AppendLine();
}
}
else if (bpbKind == BpbKind.Atari &&
XmlFsType.VolumeSerial != null)
{
sb.AppendFormat("Volume Serial Number: {0}", XmlFsType.VolumeSerial).AppendLine();
}
bootChk = Sha1Context.Data(fakeBpb.boot_code, out _);
// Workaround that PCExchange jumps into "FAT16 "...
if (XmlFsType.SystemIdentifier == "PCX 2.0 ")
{
fakeBpb.jump[1] += 8;
}
// Check that jumps to a correct boot code position and has boot signature set.
// This will mean that the volume will boot, even if just to say "this is not bootable change disk"......
if (XmlFsType.Bootable == false &&
fakeBpb.jump != null)
{
XmlFsType.Bootable |=
(fakeBpb.jump[0] == 0xEB && fakeBpb.jump[1] >= minBootNearJump && fakeBpb.jump[1] < 0x80) ||
(fakeBpb.jump[0] == 0xE9 && fakeBpb.jump.Length >= 3 &&
BitConverter.ToUInt16(fakeBpb.jump, 1) >= minBootNearJump &&
BitConverter.ToUInt16(fakeBpb.jump, 1) <= 0x1FC);
}
sectorsPerRealSector = fakeBpb.bps / imagePlugin.Info.SectorSize;
// First root directory sector
rootDirectorySector =
(ulong)((fakeBpb.spfat * fakeBpb.fats_no) + fakeBpb.rsectors) * sectorsPerRealSector;
sectorsForRootDirectory = (uint)((fakeBpb.root_ent * 32) / imagePlugin.Info.SectorSize);
}
if (extraInfo != null)
{
sb.Append(extraInfo);
}
if (rootDirectorySector + partition.Start < partition.End &&
imagePlugin.Info.XmlMediaType != XmlMediaType.OpticalDisc)
{
byte[] rootDirectory =
imagePlugin.ReadSectors(rootDirectorySector + partition.Start, sectorsForRootDirectory);
if (bpbKind == BpbKind.DecRainbow)
{
var rootMs = new MemoryStream();
foreach (byte[] tmp in from ulong rootSector in new[]
{
0x17, 0x19, 0x1B, 0x1D, 0x1E, 0x20
} select imagePlugin.ReadSector(rootSector))
{
rootMs.Write(tmp, 0, tmp.Length);
}
rootDirectory = rootMs.ToArray();
}
for (int i = 0; i < rootDirectory.Length; i += 32)
{
// Not a correct entry
if (rootDirectory[i] < DIRENT_MIN &&
rootDirectory[i] != DIRENT_E5)
{
continue;
}
// Deleted or subdirectory entry
if (rootDirectory[i] == DIRENT_SUBDIR ||
rootDirectory[i] == DIRENT_DELETED)
{
continue;
}
// Not a volume label
if (rootDirectory[i + 0x0B] != 0x08 &&
rootDirectory[i + 0x0B] != 0x28)
{
continue;
}
DirectoryEntry entry =
Marshal.ByteArrayToStructureLittleEndian <DirectoryEntry>(rootDirectory, i, 32);
byte[] fullname = new byte[11];
Array.Copy(entry.filename, 0, fullname, 0, 8);
Array.Copy(entry.extension, 0, fullname, 8, 3);
string volname = Encoding.GetString(fullname).Trim();
if (!string.IsNullOrEmpty(volname))
{
XmlFsType.VolumeName =
entry.caseinfo.HasFlag(CaseInfo.AllLowerCase) ? volname.ToLower() : volname;
}
if (entry.ctime > 0 &&
entry.cdate > 0)
{
XmlFsType.CreationDate = DateHandlers.DosToDateTime(entry.cdate, entry.ctime);
if (entry.ctime_ms > 0)
{
XmlFsType.CreationDate = XmlFsType.CreationDate.AddMilliseconds(entry.ctime_ms * 10);
}
XmlFsType.CreationDateSpecified = true;
sb.AppendFormat("Volume created on {0}", XmlFsType.CreationDate).AppendLine();
}
if (entry.mtime > 0 &&
entry.mdate > 0)
{
XmlFsType.ModificationDate = DateHandlers.DosToDateTime(entry.mdate, entry.mtime);
XmlFsType.ModificationDateSpecified = true;
sb.AppendFormat("Volume last modified on {0}", XmlFsType.ModificationDate).AppendLine();
}
if (entry.adate > 0)
{
sb.AppendFormat("Volume last accessed on {0:d}", DateHandlers.DosToDateTime(entry.adate, 0)).
AppendLine();
}
break;
}
}
if (!string.IsNullOrEmpty(XmlFsType.VolumeName))
{
sb.AppendFormat("Volume label: {0}", XmlFsType.VolumeName).AppendLine();
}
if (XmlFsType.Bootable)
{
// Intel short jump
if (bpbSector[0] == 0xEB &&
bpbSector[1] < 0x80)
{
int sigSize = bpbSector[510] == 0x55 && bpbSector[511] == 0xAA ? 2 : 0;
byte[] bootCode = new byte[512 - sigSize - bpbSector[1] - 2];
Array.Copy(bpbSector, bpbSector[1] + 2, bootCode, 0, bootCode.Length);
Sha1Context.Data(bootCode, out _);
}
// Intel big jump
else if (bpbSector[0] == 0xE9 &&
BitConverter.ToUInt16(bpbSector, 1) < 0x1FC)
{
int sigSize = bpbSector[510] == 0x55 && bpbSector[511] == 0xAA ? 2 : 0;
byte[] bootCode = new byte[512 - sigSize - BitConverter.ToUInt16(bpbSector, 1) - 3];
Array.Copy(bpbSector, BitConverter.ToUInt16(bpbSector, 1) + 3, bootCode, 0, bootCode.Length);
Sha1Context.Data(bootCode, out _);
}
sb.AppendLine("Volume is bootable");
sb.AppendFormat("Boot code's SHA1: {0}", bootChk).AppendLine();
string bootName = knownBootHashes.FirstOrDefault(t => t.hash == bootChk).name;
if (string.IsNullOrWhiteSpace(bootName))
{
sb.AppendLine("Unknown boot code.");
}
else
{
sb.AppendFormat("Boot code corresponds to {0}", bootName).AppendLine();
}
}
information = sb.ToString();
}
internal static List <ChecksumType> GetChecksums(byte[] data, EnableChecksum enabled = EnableChecksum.All)
{
IChecksum adler32CtxData = null;
IChecksum crc16CtxData = null;
IChecksum crc32CtxData = null;
IChecksum crc64CtxData = null;
IChecksum md5CtxData = null;
#if !NETSTANDARD2_0
IChecksum ripemd160CtxData = null;
#endif
IChecksum sha1CtxData = null;
IChecksum sha256CtxData = null;
IChecksum sha384CtxData = null;
IChecksum sha512CtxData = null;
IChecksum ssctxData = null;
IChecksum f16CtxData = null;
IChecksum f32CtxData = null;
Thread adlerThreadData = new Thread(UpdateHash);
Thread crc16ThreadData = new Thread(UpdateHash);
Thread crc32ThreadData = new Thread(UpdateHash);
Thread crc64ThreadData = new Thread(UpdateHash);
Thread md5ThreadData = new Thread(UpdateHash);
#if !NETSTANDARD2_0
Thread ripemd160ThreadData = new Thread(UpdateHash);
#endif
Thread sha1ThreadData = new Thread(UpdateHash);
Thread sha256ThreadData = new Thread(UpdateHash);
Thread sha384ThreadData = new Thread(UpdateHash);
Thread sha512ThreadData = new Thread(UpdateHash);
Thread spamsumThreadData = new Thread(UpdateHash);
Thread f16ThreadData = new Thread(UpdateHash);
Thread f32ThreadData = new Thread(UpdateHash);
if (enabled.HasFlag(EnableChecksum.Adler32))
{
adler32CtxData = new Adler32Context();
HashPacket adlerPktData = new HashPacket {
Context = adler32CtxData, Data = data
};
adlerThreadData.Start(adlerPktData);
}
if (enabled.HasFlag(EnableChecksum.Crc16))
{
crc16CtxData = new Crc16Context();
HashPacket crc16PktData = new HashPacket {
Context = crc16CtxData, Data = data
};
crc16ThreadData.Start(crc16PktData);
}
if (enabled.HasFlag(EnableChecksum.Crc32))
{
crc32CtxData = new Crc32Context();
HashPacket crc32PktData = new HashPacket {
Context = crc32CtxData, Data = data
};
crc32ThreadData.Start(crc32PktData);
}
if (enabled.HasFlag(EnableChecksum.Crc64))
{
crc64CtxData = new Crc64Context();
HashPacket crc64PktData = new HashPacket {
Context = crc64CtxData, Data = data
};
crc64ThreadData.Start(crc64PktData);
}
if (enabled.HasFlag(EnableChecksum.Md5))
{
md5CtxData = new Md5Context();
HashPacket md5PktData = new HashPacket {
Context = md5CtxData, Data = data
};
md5ThreadData.Start(md5PktData);
}
#if !NETSTANDARD2_0
if (enabled.HasFlag(EnableChecksum.Ripemd160))
{
ripemd160CtxData = new Ripemd160Context();
HashPacket ripemd160PktData = new HashPacket {
Context = ripemd160CtxData, Data = data
};
ripemd160ThreadData.Start(ripemd160PktData);
}
#endif
if (enabled.HasFlag(EnableChecksum.Sha1))
{
sha1CtxData = new Sha1Context();
HashPacket sha1PktData = new HashPacket {
Context = sha1CtxData, Data = data
};
sha1ThreadData.Start(sha1PktData);
}
if (enabled.HasFlag(EnableChecksum.Sha256))
{
sha256CtxData = new Sha256Context();
HashPacket sha256PktData = new HashPacket {
Context = sha256CtxData, Data = data
};
sha256ThreadData.Start(sha256PktData);
}
if (enabled.HasFlag(EnableChecksum.Sha384))
{
sha384CtxData = new Sha384Context();
HashPacket sha384PktData = new HashPacket {
Context = sha384CtxData, Data = data
};
sha384ThreadData.Start(sha384PktData);
}
if (enabled.HasFlag(EnableChecksum.Sha512))
{
sha512CtxData = new Sha512Context();
HashPacket sha512PktData = new HashPacket {
Context = sha512CtxData, Data = data
};
sha512ThreadData.Start(sha512PktData);
}
if (enabled.HasFlag(EnableChecksum.SpamSum))
{
ssctxData = new SpamSumContext();
HashPacket spamsumPktData = new HashPacket {
Context = ssctxData, Data = data
};
spamsumThreadData.Start(spamsumPktData);
}
if (enabled.HasFlag(EnableChecksum.Fletcher16))
{
f16CtxData = new Fletcher16Context();
HashPacket f16PktData = new HashPacket {
Context = f16CtxData, Data = data
};
f16ThreadData.Start(f16PktData);
}
if (enabled.HasFlag(EnableChecksum.Fletcher32))
{
f32CtxData = new Fletcher32Context();
HashPacket f32PktData = new HashPacket {
Context = f32CtxData, Data = data
};
f32ThreadData.Start(f32PktData);
}
while (adlerThreadData.IsAlive || crc16ThreadData.IsAlive || crc32ThreadData.IsAlive ||
crc64ThreadData.IsAlive || md5ThreadData.IsAlive ||
#if !NETSTANDARD2_0
ripemd160ThreadData.IsAlive ||
#endif
sha1ThreadData.IsAlive || sha256ThreadData.IsAlive || sha384ThreadData.IsAlive ||
sha512ThreadData.IsAlive || spamsumThreadData.IsAlive || f16ThreadData.IsAlive ||
f32ThreadData.IsAlive)
{
}
List <ChecksumType> dataChecksums = new List <ChecksumType>();
ChecksumType chk;
if (enabled.HasFlag(EnableChecksum.Adler32))
{
chk = new ChecksumType {
type = ChecksumTypeType.adler32, Value = adler32CtxData.End()
};
dataChecksums.Add(chk);
}
if (enabled.HasFlag(EnableChecksum.Crc16))
{
chk = new ChecksumType {
type = ChecksumTypeType.crc16, Value = crc16CtxData.End()
};
dataChecksums.Add(chk);
}
if (enabled.HasFlag(EnableChecksum.Crc32))
{
chk = new ChecksumType {
type = ChecksumTypeType.crc32, Value = crc32CtxData.End()
};
dataChecksums.Add(chk);
}
if (enabled.HasFlag(EnableChecksum.Crc64))
{
chk = new ChecksumType {
type = ChecksumTypeType.crc64, Value = crc64CtxData.End()
};
dataChecksums.Add(chk);
}
if (enabled.HasFlag(EnableChecksum.Md5))
{
chk = new ChecksumType {
type = ChecksumTypeType.md5, Value = md5CtxData.End()
};
dataChecksums.Add(chk);
}
#if !NETSTANDARD2_0
if (enabled.HasFlag(EnableChecksum.Ripemd160))
{
chk = new ChecksumType {
type = ChecksumTypeType.ripemd160, Value = ripemd160CtxData.End()
};
dataChecksums.Add(chk);
}
#endif
if (enabled.HasFlag(EnableChecksum.Sha1))
{
chk = new ChecksumType {
type = ChecksumTypeType.sha1, Value = sha1CtxData.End()
};
dataChecksums.Add(chk);
}
if (enabled.HasFlag(EnableChecksum.Sha256))
{
chk = new ChecksumType {
type = ChecksumTypeType.sha256, Value = sha256CtxData.End()
};
dataChecksums.Add(chk);
}
if (enabled.HasFlag(EnableChecksum.Sha384))
{
chk = new ChecksumType {
type = ChecksumTypeType.sha384, Value = sha384CtxData.End()
};
dataChecksums.Add(chk);
}
if (enabled.HasFlag(EnableChecksum.Sha512))
{
chk = new ChecksumType {
type = ChecksumTypeType.sha512, Value = sha512CtxData.End()
};
dataChecksums.Add(chk);
}
if (enabled.HasFlag(EnableChecksum.SpamSum))
{
chk = new ChecksumType {
type = ChecksumTypeType.spamsum, Value = ssctxData.End()
};
dataChecksums.Add(chk);
}
if (enabled.HasFlag(EnableChecksum.Fletcher16))
{
chk = new ChecksumType {
type = ChecksumTypeType.fletcher16, Value = f16CtxData.End()
};
dataChecksums.Add(chk);
}
if (enabled.HasFlag(EnableChecksum.Fletcher32))
{
chk = new ChecksumType {
type = ChecksumTypeType.fletcher32, Value = f32CtxData.End()
};
dataChecksums.Add(chk);
}
return(dataChecksums);
}
