public override int Invoke(IEnumerable <string> arguments)
{
List <string> extra = Options.Parse(arguments);
if (showHelp)
{
Options.WriteOptionDescriptions(CommandSet.Out);
return((int)ErrorNumber.HelpRequested);
}
MainClass.PrintCopyright();
if (MainClass.Debug)
{
DicConsole.DebugWriteLineEvent += System.Console.Error.WriteLine;
}
if (MainClass.Verbose)
{
DicConsole.VerboseWriteLineEvent += System.Console.WriteLine;
}
Statistics.AddCommand("checksum");
if (extra.Count > 1)
{
DicConsole.ErrorWriteLine("Too many arguments.");
return((int)ErrorNumber.UnexpectedArgumentCount);
}
if (extra.Count == 0)
{
DicConsole.ErrorWriteLine("Missing input image.");
return((int)ErrorNumber.MissingArgument);
}
inputFile = extra[0];
DicConsole.DebugWriteLine("Checksum command", "--adler32={0}", doAdler32);
DicConsole.DebugWriteLine("Checksum command", "--crc16={0}", doCrc16);
DicConsole.DebugWriteLine("Checksum command", "--crc32={0}", doCrc32);
DicConsole.DebugWriteLine("Checksum command", "--crc64={0}", doCrc64);
DicConsole.DebugWriteLine("Checksum command", "--debug={0}", MainClass.Debug);
DicConsole.DebugWriteLine("Checksum command", "--fletcher16={0}", doFletcher16);
DicConsole.DebugWriteLine("Checksum command", "--fletcher32={0}", doFletcher32);
DicConsole.DebugWriteLine("Checksum command", "--input={0}", inputFile);
DicConsole.DebugWriteLine("Checksum command", "--md5={0}", doMd5);
DicConsole.DebugWriteLine("Checksum command", "--ripemd160={0}", doRipemd160);
DicConsole.DebugWriteLine("Checksum command", "--separated-tracks={0}", separatedTracks);
DicConsole.DebugWriteLine("Checksum command", "--sha1={0}", doSha1);
DicConsole.DebugWriteLine("Checksum command", "--sha256={0}", doSha256);
DicConsole.DebugWriteLine("Checksum command", "--sha384={0}", doSha384);
DicConsole.DebugWriteLine("Checksum command", "--sha512={0}", doSha512);
DicConsole.DebugWriteLine("Checksum command", "--spamsum={0}", doSpamSum);
DicConsole.DebugWriteLine("Checksum command", "--verbose={0}", MainClass.Verbose);
DicConsole.DebugWriteLine("Checksum command", "--whole-disc={0}", wholeDisc);
FiltersList filtersList = new FiltersList();
IFilter inputFilter = filtersList.GetFilter(inputFile);
if (inputFilter == null)
{
DicConsole.ErrorWriteLine("Cannot open specified file.");
return((int)ErrorNumber.CannotOpenFile);
}
IMediaImage inputFormat = ImageFormat.Detect(inputFilter);
if (inputFormat == null)
{
DicConsole.ErrorWriteLine("Unable to recognize image format, not checksumming");
return((int)ErrorNumber.UnrecognizedFormat);
}
inputFormat.Open(inputFilter);
Statistics.AddMediaFormat(inputFormat.Format);
Statistics.AddMedia(inputFormat.Info.MediaType, false);
Statistics.AddFilter(inputFilter.Name);
EnableChecksum enabledChecksums = new EnableChecksum();
if (doAdler32)
{
enabledChecksums |= EnableChecksum.Adler32;
}
if (doCrc16)
{
enabledChecksums |= EnableChecksum.Crc16;
}
if (doCrc32)
{
enabledChecksums |= EnableChecksum.Crc32;
}
if (doCrc64)
{
enabledChecksums |= EnableChecksum.Crc64;
}
if (doMd5)
{
enabledChecksums |= EnableChecksum.Md5;
}
if (doRipemd160)
{
enabledChecksums |= EnableChecksum.Ripemd160;
}
if (doSha1)
{
enabledChecksums |= EnableChecksum.Sha1;
}
if (doSha256)
{
enabledChecksums |= EnableChecksum.Sha256;
}
if (doSha384)
{
enabledChecksums |= EnableChecksum.Sha384;
}
if (doSha512)
{
enabledChecksums |= EnableChecksum.Sha512;
}
if (doSpamSum)
{
enabledChecksums |= EnableChecksum.SpamSum;
}
if (doFletcher16)
{
enabledChecksums |= EnableChecksum.Fletcher16;
}
if (doFletcher32)
{
enabledChecksums |= EnableChecksum.Fletcher32;
}
Checksum mediaChecksum = null;
switch (inputFormat)
{
case IOpticalMediaImage opticalInput when opticalInput.Tracks != null:
try
{
Checksum trackChecksum = null;
if (wholeDisc)
{
mediaChecksum = new Checksum(enabledChecksums);
}
ulong previousTrackEnd = 0;
List <Track> inputTracks = opticalInput.Tracks;
foreach (Track currentTrack in inputTracks)
{
if (currentTrack.TrackStartSector - previousTrackEnd != 0 && wholeDisc)
{
for (ulong i = previousTrackEnd + 1; i < currentTrack.TrackStartSector; i++)
{
DicConsole.Write("\rHashing track-less sector {0}", i);
byte[] hiddenSector = inputFormat.ReadSector(i);
mediaChecksum?.Update(hiddenSector);
}
}
DicConsole.DebugWriteLine("Checksum command",
"Track {0} starts at sector {1} and ends at sector {2}",
currentTrack.TrackSequence, currentTrack.TrackStartSector,
currentTrack.TrackEndSector);
if (separatedTracks)
{
trackChecksum = new Checksum(enabledChecksums);
}
ulong sectors = currentTrack.TrackEndSector - currentTrack.TrackStartSector + 1;
ulong doneSectors = 0;
DicConsole.WriteLine("Track {0} has {1} sectors", currentTrack.TrackSequence, sectors);
while (doneSectors < sectors)
{
byte[] sector;
if (sectors - doneSectors >= SECTORS_TO_READ)
{
sector = opticalInput.ReadSectors(doneSectors, SECTORS_TO_READ,
currentTrack.TrackSequence);
DicConsole.Write("\rHashings sectors {0} to {2} of track {1}", doneSectors,
currentTrack.TrackSequence, doneSectors + SECTORS_TO_READ);
doneSectors += SECTORS_TO_READ;
}
else
{
sector = opticalInput.ReadSectors(doneSectors, (uint)(sectors - doneSectors),
currentTrack.TrackSequence);
DicConsole.Write("\rHashings sectors {0} to {2} of track {1}", doneSectors,
currentTrack.TrackSequence, doneSectors + (sectors - doneSectors));
doneSectors += sectors - doneSectors;
}
if (wholeDisc)
{
mediaChecksum?.Update(sector);
}
if (separatedTracks)
{
trackChecksum?.Update(sector);
}
}
DicConsole.WriteLine();
if (separatedTracks)
{
if (trackChecksum != null)
{
foreach (ChecksumType chk in trackChecksum.End())
{
DicConsole.WriteLine("Track {0}'s {1}: {2}", currentTrack.TrackSequence,
chk.type, chk.Value);
}
}
}
previousTrackEnd = currentTrack.TrackEndSector;
}
if (opticalInput.Info.Sectors - previousTrackEnd != 0 && wholeDisc)
{
for (ulong i = previousTrackEnd + 1; i < opticalInput.Info.Sectors; i++)
{
DicConsole.Write("\rHashing track-less sector {0}", i);
byte[] hiddenSector = inputFormat.ReadSector(i);
mediaChecksum?.Update(hiddenSector);
}
}
if (wholeDisc)
{
if (mediaChecksum != null)
{
foreach (ChecksumType chk in mediaChecksum.End())
{
DicConsole.WriteLine("Disk's {0}: {1}", chk.type, chk.Value);
}
}
}
}
catch (Exception ex)
{
if (MainClass.Debug)
{
DicConsole.DebugWriteLine("Could not get tracks because {0}", ex.Message);
}
else
{
DicConsole.WriteLine("Unable to get separate tracks, not checksumming them");
}
}
break;
case ITapeImage tapeImage when tapeImage.IsTape && tapeImage.Files?.Count > 0:
{
Checksum trackChecksum = null;
if (wholeDisc)
{
mediaChecksum = new Checksum(enabledChecksums);
}
ulong previousTrackEnd = 0;
foreach (TapeFile currentFile in tapeImage.Files)
{
if (currentFile.FirstBlock - previousTrackEnd != 0 && wholeDisc)
{
for (ulong i = previousTrackEnd + 1; i < currentFile.FirstBlock; i++)
{
DicConsole.Write("\rHashing file-less block {0}", i);
byte[] hiddenSector = inputFormat.ReadSector(i);
mediaChecksum?.Update(hiddenSector);
}
}
DicConsole.DebugWriteLine("Checksum command",
"Track {0} starts at sector {1} and ends at block {2}",
currentFile.File, currentFile.FirstBlock, currentFile.LastBlock);
if (separatedTracks)
{
trackChecksum = new Checksum(enabledChecksums);
}
ulong sectors = currentFile.LastBlock - currentFile.FirstBlock + 1;
ulong doneSectors = 0;
DicConsole.WriteLine("File {0} has {1} sectors", currentFile.File, sectors);
while (doneSectors < sectors)
{
byte[] sector;
if (sectors - doneSectors >= SECTORS_TO_READ)
{
sector = tapeImage.ReadSectors(doneSectors + currentFile.FirstBlock, SECTORS_TO_READ);
DicConsole.Write("\rHashings blocks {0} to {2} of file {1}", doneSectors,
currentFile.File, doneSectors + SECTORS_TO_READ);
doneSectors += SECTORS_TO_READ;
}
else
{
sector = tapeImage.ReadSectors(doneSectors + currentFile.FirstBlock,
(uint)(sectors - doneSectors));
DicConsole.Write("\rHashings blocks {0} to {2} of file {1}", doneSectors,
currentFile.File, doneSectors + (sectors - doneSectors));
doneSectors += sectors - doneSectors;
}
if (wholeDisc)
{
mediaChecksum?.Update(sector);
}
if (separatedTracks)
{
trackChecksum?.Update(sector);
}
}
DicConsole.WriteLine();
if (separatedTracks)
{
if (trackChecksum != null)
{
foreach (ChecksumType chk in trackChecksum.End())
{
DicConsole.WriteLine("File {0}'s {1}: {2}", currentFile.File, chk.type, chk.Value);
}
}
}
previousTrackEnd = currentFile.LastBlock;
}
if (tapeImage.Info.Sectors - previousTrackEnd != 0 && wholeDisc)
{
for (ulong i = previousTrackEnd + 1; i < tapeImage.Info.Sectors; i++)
{
DicConsole.Write("\rHashing file-less sector {0}", i);
byte[] hiddenSector = inputFormat.ReadSector(i);
mediaChecksum?.Update(hiddenSector);
}
}
if (wholeDisc)
{
if (mediaChecksum != null)
{
foreach (ChecksumType chk in mediaChecksum.End())
{
DicConsole.WriteLine("Tape's {0}: {1}", chk.type, chk.Value);
}
}
}
break;
}
default:
{
mediaChecksum = new Checksum(enabledChecksums);
ulong sectors = inputFormat.Info.Sectors;
DicConsole.WriteLine("Sectors {0}", sectors);
ulong doneSectors = 0;
while (doneSectors < sectors)
{
byte[] sector;
if (sectors - doneSectors >= SECTORS_TO_READ)
{
sector = inputFormat.ReadSectors(doneSectors, SECTORS_TO_READ);
DicConsole.Write("\rHashings sectors {0} to {1}", doneSectors,
doneSectors + SECTORS_TO_READ);
doneSectors += SECTORS_TO_READ;
}
else
{
sector = inputFormat.ReadSectors(doneSectors, (uint)(sectors - doneSectors));
DicConsole.Write("\rHashings sectors {0} to {1}", doneSectors,
doneSectors + (sectors - doneSectors));
doneSectors += sectors - doneSectors;
}
mediaChecksum.Update(sector);
}
DicConsole.WriteLine();
foreach (ChecksumType chk in mediaChecksum.End())
{
DicConsole.WriteLine("Disk's {0}: {1}", chk.type, chk.Value);
}
break;
}
}
return((int)ErrorNumber.NoError);
}
public override int Invoke(IEnumerable <string> arguments)
{
List <string> extra = Options.Parse(arguments);
if (showHelp)
{
Options.WriteOptionDescriptions(CommandSet.Out);
return((int)ErrorNumber.HelpRequested);
}
MainClass.PrintCopyright();
if (MainClass.Debug)
{
DicConsole.DebugWriteLineEvent += System.Console.Error.WriteLine;
}
if (MainClass.Verbose)
{
DicConsole.VerboseWriteLineEvent += System.Console.WriteLine;
}
Statistics.AddCommand("compare");
if (extra.Count > 2)
{
DicConsole.ErrorWriteLine("Too many arguments.");
return((int)ErrorNumber.UnexpectedArgumentCount);
}
if (extra.Count <= 1)
{
DicConsole.ErrorWriteLine("Missing input image.");
return((int)ErrorNumber.MissingArgument);
}
inputFile1 = extra[0];
inputFile2 = extra[1];
DicConsole.DebugWriteLine("Compare command", "--debug={0}", MainClass.Debug);
DicConsole.DebugWriteLine("Compare command", "--input1={0}", inputFile1);
DicConsole.DebugWriteLine("Compare command", "--input2={0}", inputFile2);
DicConsole.DebugWriteLine("Compare command", "--verbose={0}", MainClass.Verbose);
FiltersList filtersList = new FiltersList();
IFilter inputFilter1 = filtersList.GetFilter(inputFile1);
filtersList = new FiltersList();
IFilter inputFilter2 = filtersList.GetFilter(inputFile2);
if (inputFilter1 == null)
{
DicConsole.ErrorWriteLine("Cannot open input file 1");
return((int)ErrorNumber.CannotOpenFile);
}
if (inputFilter2 == null)
{
DicConsole.ErrorWriteLine("Cannot open input file 2");
return((int)ErrorNumber.CannotOpenFile);
}
IMediaImage input1Format = ImageFormat.Detect(inputFilter1);
IMediaImage input2Format = ImageFormat.Detect(inputFilter2);
if (input1Format == null)
{
DicConsole.ErrorWriteLine("Input file 1 format not identified, not proceeding with comparison.");
return((int)ErrorNumber.UnrecognizedFormat);
}
if (MainClass.Verbose)
{
DicConsole.VerboseWriteLine("Input file 1 format identified by {0} ({1}).", input1Format.Name,
input1Format.Id);
}
else
{
DicConsole.WriteLine("Input file 1 format identified by {0}.", input1Format.Name);
}
if (input2Format == null)
{
DicConsole.ErrorWriteLine("Input file 2 format not identified, not proceeding with comparison.");
return((int)ErrorNumber.UnrecognizedFormat);
}
if (MainClass.Verbose)
{
DicConsole.VerboseWriteLine("Input file 2 format identified by {0} ({1}).", input2Format.Name,
input2Format.Id);
}
else
{
DicConsole.WriteLine("Input file 2 format identified by {0}.", input2Format.Name);
}
input1Format.Open(inputFilter1);
input2Format.Open(inputFilter2);
Statistics.AddMediaFormat(input1Format.Format);
Statistics.AddMediaFormat(input2Format.Format);
Statistics.AddMedia(input1Format.Info.MediaType, false);
Statistics.AddMedia(input2Format.Info.MediaType, false);
Statistics.AddFilter(inputFilter1.Name);
Statistics.AddFilter(inputFilter2.Name);
StringBuilder sb = new StringBuilder();
if (MainClass.Verbose)
{
sb.AppendLine("\tDisc image 1\tDisc image 2");
sb.AppendLine("================================");
sb.AppendFormat("File\t{0}\t{1}", inputFile1, inputFile2).AppendLine();
sb.AppendFormat("Disc image format\t{0}\t{1}", input1Format.Name, input2Format.Name).AppendLine();
}
else
{
sb.AppendFormat("Disc image 1: {0}", inputFile1).AppendLine();
sb.AppendFormat("Disc image 2: {0}", inputFile2).AppendLine();
}
bool imagesDiffer = false;
ImageInfo image1Info = input1Format.Info;
ImageInfo image2Info = input2Format.Info;
List <Session> image1Sessions = new List <Session>();
List <Session> image2Sessions = new List <Session>();
Dictionary <MediaTagType, byte[]> image1DiskTags = new Dictionary <MediaTagType, byte[]>();
Dictionary <MediaTagType, byte[]> image2DiskTags = new Dictionary <MediaTagType, byte[]>();
foreach (MediaTagType disktag in Enum.GetValues(typeof(MediaTagType)))
{
try
{
byte[] temparray = input1Format.ReadDiskTag(disktag);
image1DiskTags.Add(disktag, temparray);
}
#pragma warning disable RECS0022 // A catch clause that catches System.Exception and has an empty body
catch
{
// ignored
}
#pragma warning restore RECS0022 // A catch clause that catches System.Exception and has an empty body
}
foreach (MediaTagType disktag in Enum.GetValues(typeof(MediaTagType)))
{
try
{
byte[] temparray = input2Format.ReadDiskTag(disktag);
image2DiskTags.Add(disktag, temparray);
}
#pragma warning disable RECS0022 // A catch clause that catches System.Exception and has an empty body
catch
{
// ignored
}
#pragma warning restore RECS0022 // A catch clause that catches System.Exception and has an empty body
}
if (MainClass.Verbose)
{
sb.AppendFormat("Has partitions?\t{0}\t{1}", image1Info.HasPartitions, image2Info.HasPartitions)
.AppendLine();
sb.AppendFormat("Has sessions?\t{0}\t{1}", image1Info.HasSessions, image2Info.HasSessions).AppendLine();
sb.AppendFormat("Image size\t{0}\t{1}", image1Info.ImageSize, image2Info.ImageSize).AppendLine();
sb.AppendFormat("Sectors\t{0}\t{1}", image1Info.Sectors, image2Info.Sectors).AppendLine();
sb.AppendFormat("Sector size\t{0}\t{1}", image1Info.SectorSize, image2Info.SectorSize).AppendLine();
sb.AppendFormat("Creation time\t{0}\t{1}", image1Info.CreationTime, image2Info.CreationTime)
.AppendLine();
sb.AppendFormat("Last modification time\t{0}\t{1}", image1Info.LastModificationTime,
image2Info.LastModificationTime).AppendLine();
sb.AppendFormat("Disk type\t{0}\t{1}", image1Info.MediaType, image2Info.MediaType).AppendLine();
sb.AppendFormat("Image version\t{0}\t{1}", image1Info.Version, image2Info.Version).AppendLine();
sb.AppendFormat("Image application\t{0}\t{1}", image1Info.Application, image2Info.Application)
.AppendLine();
sb.AppendFormat("Image application version\t{0}\t{1}", image1Info.ApplicationVersion,
image2Info.ApplicationVersion).AppendLine();
sb.AppendFormat("Image creator\t{0}\t{1}", image1Info.Creator, image2Info.Creator).AppendLine();
sb.AppendFormat("Image name\t{0}\t{1}", image1Info.MediaTitle, image2Info.MediaTitle).AppendLine();
sb.AppendFormat("Image comments\t{0}\t{1}", image1Info.Comments, image2Info.Comments).AppendLine();
sb.AppendFormat("Disk manufacturer\t{0}\t{1}", image1Info.MediaManufacturer,
image2Info.MediaManufacturer).AppendLine();
sb.AppendFormat("Disk model\t{0}\t{1}", image1Info.MediaModel, image2Info.MediaModel).AppendLine();
sb.AppendFormat("Disk serial number\t{0}\t{1}", image1Info.MediaSerialNumber,
image2Info.MediaSerialNumber).AppendLine();
sb.AppendFormat("Disk barcode\t{0}\t{1}", image1Info.MediaBarcode, image2Info.MediaBarcode)
.AppendLine();
sb.AppendFormat("Disk part no.\t{0}\t{1}", image1Info.MediaPartNumber, image2Info.MediaPartNumber)
.AppendLine();
sb.AppendFormat("Disk sequence\t{0}\t{1}", image1Info.MediaSequence, image2Info.MediaSequence)
.AppendLine();
sb.AppendFormat("Last disk on sequence\t{0}\t{1}", image1Info.LastMediaSequence,
image2Info.LastMediaSequence).AppendLine();
sb.AppendFormat("Drive manufacturer\t{0}\t{1}", image1Info.DriveManufacturer,
image2Info.DriveManufacturer).AppendLine();
sb.AppendFormat("Drive firmware revision\t{0}\t{1}", image1Info.DriveFirmwareRevision,
image2Info.DriveFirmwareRevision).AppendLine();
sb.AppendFormat("Drive model\t{0}\t{1}", image1Info.DriveModel, image2Info.DriveModel).AppendLine();
sb.AppendFormat("Drive serial number\t{0}\t{1}", image1Info.DriveSerialNumber,
image2Info.DriveSerialNumber).AppendLine();
foreach (MediaTagType disktag in Enum.GetValues(typeof(MediaTagType)))
{
sb.AppendFormat("Has {0}?\t{1}\t{2}", disktag, image1DiskTags.ContainsKey(disktag),
image2DiskTags.ContainsKey(disktag)).AppendLine();
}
}
DicConsole.WriteLine("Comparing disk image characteristics");
if (image1Info.HasPartitions != image2Info.HasPartitions)
{
imagesDiffer = true;
if (!MainClass.Verbose)
{
sb.AppendLine("Image partitioned status differ");
}
}
if (image1Info.HasSessions != image2Info.HasSessions)
{
imagesDiffer = true;
if (!MainClass.Verbose)
{
sb.AppendLine("Image session status differ");
}
}
if (image1Info.Sectors != image2Info.Sectors)
{
imagesDiffer = true;
if (!MainClass.Verbose)
{
sb.AppendLine("Image sectors differ");
}
}
if (image1Info.SectorSize != image2Info.SectorSize)
{
imagesDiffer = true;
if (!MainClass.Verbose)
{
sb.AppendLine("Image sector size differ");
}
}
if (image1Info.MediaType != image2Info.MediaType)
{
imagesDiffer = true;
if (!MainClass.Verbose)
{
sb.AppendLine("Disk type differ");
}
}
ulong leastSectors;
if (image1Info.Sectors < image2Info.Sectors)
{
imagesDiffer = true;
leastSectors = image1Info.Sectors;
if (!MainClass.Verbose)
{
sb.AppendLine("Image 2 has more sectors");
}
}
else if (image1Info.Sectors > image2Info.Sectors)
{
imagesDiffer = true;
leastSectors = image2Info.Sectors;
if (!MainClass.Verbose)
{
sb.AppendLine("Image 1 has more sectors");
}
}
else
{
leastSectors = image1Info.Sectors;
}
DicConsole.WriteLine("Comparing sectors...");
for (ulong sector = 0; sector < leastSectors; sector++)
{
DicConsole.Write("\rComparing sector {0} of {1}...", sector + 1, leastSectors);
try
{
byte[] image1Sector = input1Format.ReadSector(sector);
byte[] image2Sector = input2Format.ReadSector(sector);
ArrayHelpers.CompareBytes(out bool different, out bool sameSize, image1Sector, image2Sector);
if (different)
{
imagesDiffer = true;
sb.AppendFormat("Sector {0} is different", sector).AppendLine();
}
else if (!sameSize)
{
imagesDiffer = true;
sb
.AppendFormat("Sector {0} has different sizes ({1} bytes in image 1, {2} in image 2) but are otherwise identical",
sector, image1Sector.LongLength, image2Sector.LongLength).AppendLine();
}
}
#pragma warning disable RECS0022 // A catch clause that catches System.Exception and has an empty body
catch
{
// ignored
}
#pragma warning restore RECS0022 // A catch clause that catches System.Exception and has an empty body
}
DicConsole.WriteLine();
sb.AppendLine(imagesDiffer ? "Images differ" : "Images do not differ");
DicConsole.WriteLine(sb.ToString());
return((int)ErrorNumber.NoError);
}
