public static void MyLister(TarArchive ta, TarEntry te, string msg)
{
if (te.Size > 0)
{
Console.WriteLine(te.Name + " " + te.Size);
totalsize = totalsize + 1;
}
}
private void WriteObjectToTar (TarOutputStream tar_out,
FileSystemObject fso,
EventTracker tracker)
{
MemoryStream memory = null;
TarHeader header;
header = new TarHeader ();
StringBuilder name_builder;
name_builder = new StringBuilder (fso.FullName);
name_builder.Remove (0, this.FullName.Length+1);
header.Name = name_builder.ToString ();
header.ModTime = fso.Timestamp;
if (fso is DirectoryObject) {
header.Mode = 511; // 0777
header.TypeFlag = TarHeader.LF_DIR;
header.Size = 0;
} else {
header.Mode = 438; // 0666
header.TypeFlag = TarHeader.LF_NORMAL;
memory = new MemoryStream ();
((FileObject) fso).AddToStream (memory, tracker);
header.Size = memory.Length;
}
TarEntry entry;
entry = new TarEntry (header);
tar_out.PutNextEntry (entry);
if (memory != null) {
tar_out.Write (memory.ToArray (), 0, (int) memory.Length);
memory.Close ();
}
tar_out.CloseEntry ();
// If this is a directory, write out the children
if (fso is DirectoryObject)
foreach (FileSystemObject child in fso.Children)
WriteObjectToTar (tar_out, child, tracker);
}
/// <summary>
/// Raises the ProgressMessage event
/// </summary>
/// <param name="entry">The <see cref="TarEntry">TarEntry</see> for this event</param>
/// <param name="message">message for this event. Null is no message</param>
protected virtual void OnProgressMessageEvent(TarEntry entry, string message)
{
ProgressMessageHandler handler = ProgressMessageEvent;
if (handler != null) {
handler(this, entry, message);
}
}
private void ExtractEntry(string destDir, TarEntry entry, ICSharpCode.SharpZipLib.Tar.TarInputStream stream) {
string name = entry.Name;
if (Path.IsPathRooted(name))
name = name.Substring(Path.GetPathRoot(name).Length);
name = name.Replace('/', Path.DirectorySeparatorChar);
name = name.Substring(name.IndexOf(Path.DirectorySeparatorChar) + 1);
string dest = Path.Combine(destDir, name);
if (entry.IsDirectory)
Directory.CreateDirectory(dest);
else {
Directory.CreateDirectory(Path.GetDirectoryName(dest));
using (Stream outputStream = File.Create(dest)) {
stream.CopyEntryContents(outputStream);
}
}
}
/// <summary>
/// Get the next entry in this tar archive. This will skip
/// over any remaining data in the current entry, if there
/// is one, and place the input stream at the header of the
/// next entry, and read the header and instantiate a new
/// TarEntry from the header bytes and return that entry.
/// If there are no more entries in the archive, null will
/// be returned to indicate that the end of the archive has
/// been reached.
/// </summary>
/// <returns>
/// The next TarEntry in the archive, or null.
/// </returns>
public TarEntry GetNextEntry()
{
if (hasHitEOF)
{
return(null);
}
if (currentEntry != null)
{
SkipToNextEntry();
}
byte[] headerBuf = tarBuffer.ReadBlock();
if (headerBuf == null)
{
hasHitEOF = true;
}
else if (TarBuffer.IsEndOfArchiveBlock(headerBuf))
{
hasHitEOF = true;
}
if (hasHitEOF)
{
currentEntry = null;
}
else
{
try {
TarHeader header = new TarHeader();
header.ParseBuffer(headerBuf);
if (!header.IsChecksumValid)
{
throw new TarException("Header checksum is invalid");
}
this.entryOffset = 0;
this.entrySize = header.Size;
StringBuilder longName = null;
if (header.TypeFlag == TarHeader.LF_GNU_LONGNAME)
{
byte[] nameBuffer = new byte[TarBuffer.BlockSize];
long numToRead = this.entrySize;
longName = new StringBuilder();
while (numToRead > 0)
{
int numRead = this.Read(nameBuffer, 0, (numToRead > nameBuffer.Length ? nameBuffer.Length : (int)numToRead));
if (numRead == -1)
{
throw new InvalidHeaderException("Failed to read long name entry");
}
longName.Append(TarHeader.ParseName(nameBuffer, 0, numRead).ToString());
numToRead -= numRead;
}
SkipToNextEntry();
headerBuf = this.tarBuffer.ReadBlock();
}
else if (header.TypeFlag == TarHeader.LF_GHDR) // POSIX global extended header
// Ignore things we dont understand completely for now
{
SkipToNextEntry();
headerBuf = this.tarBuffer.ReadBlock();
}
else if (header.TypeFlag == TarHeader.LF_XHDR) // POSIX extended header
// Ignore things we dont understand completely for now
{
SkipToNextEntry();
headerBuf = this.tarBuffer.ReadBlock();
}
else if (header.TypeFlag == TarHeader.LF_GNU_VOLHDR)
{
// TODO: could show volume name when verbose
SkipToNextEntry();
headerBuf = this.tarBuffer.ReadBlock();
}
else if (header.TypeFlag != TarHeader.LF_NORMAL &&
header.TypeFlag != TarHeader.LF_OLDNORM &&
header.TypeFlag != TarHeader.LF_DIR)
{
// Ignore things we dont understand completely for now
SkipToNextEntry();
headerBuf = tarBuffer.ReadBlock();
}
if (entryFactory == null)
{
currentEntry = new TarEntry(headerBuf);
if (longName != null)
{
currentEntry.Name = longName.ToString();
}
}
else
{
currentEntry = entryFactory.CreateEntry(headerBuf);
}
// Magic was checked here for 'ustar' but there are multiple valid possibilities
// so this is not done anymore.
entryOffset = 0;
// TODO: Review How do we resolve this discrepancy?!
entrySize = this.currentEntry.Size;
} catch (InvalidHeaderException ex) {
entrySize = 0;
entryOffset = 0;
currentEntry = null;
string errorText = string.Format("Bad header in record {0} block {1} {2}",
tarBuffer.CurrentRecord, tarBuffer.CurrentBlock, ex.Message);
throw new InvalidHeaderException(errorText);
}
}
return(currentEntry);
}
/// <summary>
/// Write an entry to the archive. This method will call the putNextEntry
/// and then write the contents of the entry, and finally call closeEntry()
/// for entries that are files. For directories, it will call putNextEntry(),
/// and then, if the recurse flag is true, process each entry that is a
/// child of the directory.
/// </summary>
/// <param name="sourceEntry">
/// The TarEntry representing the entry to write to the archive.
/// </param>
/// <param name="recurse">
/// If true, process the children of directory entries.
/// </param>
void WriteEntryCore(TarEntry sourceEntry, bool recurse)
{
string tempFileName = null;
string entryFilename = sourceEntry.File;
TarEntry entry = (TarEntry)sourceEntry.Clone();
if (applyUserInfoOverrides)
{
entry.GroupId = groupId;
entry.GroupName = groupName;
entry.UserId = userId;
entry.UserName = userName;
}
OnProgressMessageEvent(entry, null);
if (asciiTranslate && !entry.IsDirectory)
{
if (!IsBinary(entryFilename))
{
tempFileName = Path.GetTempFileName();
using (StreamReader inStream = File.OpenText(entryFilename)) {
using (Stream outStream = File.Create(tempFileName)) {
while (true)
{
string line = inStream.ReadLine();
if (line == null)
{
break;
}
byte[] data = Encoding.ASCII.GetBytes(line);
outStream.Write(data, 0, data.Length);
outStream.WriteByte((byte)'\n');
}
outStream.Flush();
}
}
entry.Size = new FileInfo(tempFileName).Length;
entryFilename = tempFileName;
}
}
string newName = null;
if (rootPath != null)
{
if (entry.Name.StartsWith(rootPath, StringComparison.OrdinalIgnoreCase))
{
newName = entry.Name.Substring(rootPath.Length + 1);
}
}
if (pathPrefix != null)
{
newName = (newName == null) ? pathPrefix + "/" + entry.Name : pathPrefix + "/" + newName;
}
if (newName != null)
{
entry.Name = newName;
}
tarOut.PutNextEntry(entry);
if (entry.IsDirectory)
{
if (recurse)
{
TarEntry[] list = entry.GetDirectoryEntries();
for (int i = 0; i < list.Length; ++i)
{
WriteEntryCore(list[i], recurse);
}
}
}
else
{
using (Stream inputStream = File.OpenRead(entryFilename)) {
byte[] localBuffer = new byte[32 * 1024];
while (true)
{
int numRead = inputStream.Read(localBuffer, 0, localBuffer.Length);
if (numRead <= 0)
{
break;
}
tarOut.Write(localBuffer, 0, numRead);
}
}
if ((tempFileName != null) && (tempFileName.Length > 0))
{
File.Delete(tempFileName);
}
tarOut.CloseEntry();
}
}
/// <summary>
/// Get the next entry in this tar archive. This will skip
/// over any remaining data in the current entry, if there
/// is one, and place the input stream at the header of the
/// next entry, and read the header and instantiate a new
/// TarEntry from the header bytes and return that entry.
/// If there are no more entries in the archive, null will
/// be returned to indicate that the end of the archive has
/// been reached.
/// </summary>
/// <returns>
/// The next TarEntry in the archive, or null.
/// </returns>
public TarEntry GetNextEntry()
{
if (this.hasHitEOF)
{
return(null);
}
if (this.currEntry != null)
{
SkipToNextEntry();
}
byte[] headerBuf = this.buffer.ReadBlock();
if (headerBuf == null)
{
if (this.debug)
{
//Console.WriteLine.WriteLine("READ NULL BLOCK");
}
this.hasHitEOF = true;
}
else if (this.buffer.IsEOFBlock(headerBuf))
{
if (this.debug)
{
//Console.WriteLine.WriteLine( "READ EOF BLOCK" );
}
this.hasHitEOF = true;
}
if (this.hasHitEOF)
{
this.currEntry = null;
}
else
{
try
{
TarHeader header = new TarHeader();
header.ParseBuffer(headerBuf);
this.entryOffset = 0;
this.entrySize = (int)header.size;
StringBuilder longName = null;
if (header.typeFlag == TarHeader.LF_GNU_LONGNAME)
{
Console.WriteLine("TarInputStream: Long name found '" + header.name + "' size = " + header.size); // DEBUG
byte[] nameBuffer = new byte[TarBuffer.BlockSize];
int numToRead = this.entrySize;
longName = new StringBuilder();
while (numToRead > 0)
{
int numRead = this.Read(nameBuffer, 0, (numToRead > nameBuffer.Length ? nameBuffer.Length : numToRead));
if (numRead == -1)
{
throw new InvalidHeaderException("Failed to read long name entry");
}
longName.Append(TarHeader.ParseName(nameBuffer, 0, numRead).ToString());
numToRead -= numRead;
}
Console.WriteLine("TarInputStream: Long name is '" + longName.ToString()); // DEBUG
SkipToNextEntry();
headerBuf = this.buffer.ReadBlock();
}
else if (header.typeFlag == TarHeader.LF_GHDR) // POSIX global extended header
{
// Ignore things we dont understand completely for now
SkipToNextEntry();
headerBuf = this.buffer.ReadBlock();
}
else if (header.typeFlag == TarHeader.LF_XHDR) // POSIX extended header
{
// Ignore things we dont understand completely for now
SkipToNextEntry();
headerBuf = this.buffer.ReadBlock();
}
else if (header.typeFlag == TarHeader.LF_GNU_VOLHDR)
{
// TODO could show volume name when verbose?
SkipToNextEntry();
headerBuf = this.buffer.ReadBlock();
}
else if (header.typeFlag != TarHeader.LF_NORMAL &&
header.typeFlag != TarHeader.LF_OLDNORM)
{
// Ignore things we dont understand completely for now
SkipToNextEntry();
headerBuf = this.buffer.ReadBlock();
}
if (this.eFactory == null)
{
this.currEntry = new TarEntry(headerBuf);
if (longName != null)
{
this.currEntry.TarHeader.name.Length = 0;
this.currEntry.TarHeader.name.Append(longName.ToString());
}
}
else
{
this.currEntry = this.eFactory.CreateEntry(headerBuf);
}
// TODO -jr- ustar is not the only magic possible by any means
// tar, xtar, ...
if (!(headerBuf[257] == 'u' && headerBuf[258] == 's' && headerBuf[259] == 't' && headerBuf[260] == 'a' && headerBuf[261] == 'r'))
{
throw new InvalidHeaderException("header magic is not 'ustar', but '" + headerBuf[257] + headerBuf[258] + headerBuf[259] + headerBuf[260] + headerBuf[261] +
"', or (dec) " + ((int)headerBuf[257]) + ", " + ((int)headerBuf[258]) + ", " + ((int)headerBuf[259]) + ", " + ((int)headerBuf[260]) + ", " + ((int)headerBuf[261]));
}
if (this.debug)
{
//Console.WriteLine.WriteLine("TarInputStream: SET CURRENTRY '" + this.currEntry.Name + "' size = " + this.currEntry.Size);
}
this.entryOffset = 0;
// TODO REVIEW How do we resolve this discrepancy?!
this.entrySize = (int)this.currEntry.Size;
}
catch (InvalidHeaderException ex)
{
this.entrySize = 0;
this.entryOffset = 0;
this.currEntry = null;
throw new InvalidHeaderException("bad header in record " + this.buffer.GetCurrentBlockNum() + " block " + this.buffer.GetCurrentBlockNum() + ", " + ex.Message);
}
}
return(this.currEntry);
}
private void ExtractEntry(string destDir, TarEntry entry)
{
this.OnProgressMessageEvent(entry, null);
string name = entry.Name;
if (Path.IsPathRooted(name))
{
name = name.Substring(Path.GetPathRoot(name).Length);
}
name = name.Replace('/', Path.DirectorySeparatorChar);
string directoryName = Path.Combine(destDir, name);
if (entry.IsDirectory)
{
EnsureDirectoryExists(directoryName);
}
else
{
EnsureDirectoryExists(Path.GetDirectoryName(directoryName));
bool flag = true;
FileInfo info = new FileInfo(directoryName);
if (info.Exists)
{
if (this.keepOldFiles)
{
this.OnProgressMessageEvent(entry, "Destination file already exists");
flag = false;
}
else if ((info.Attributes & FileAttributes.ReadOnly) != 0)
{
this.OnProgressMessageEvent(entry, "Destination file already exists, and is read-only");
flag = false;
}
}
if (flag)
{
bool flag2 = false;
Stream stream = File.Create(directoryName);
if (this.asciiTranslate)
{
flag2 = !IsBinary(directoryName);
}
StreamWriter writer = null;
if (flag2)
{
writer = new StreamWriter(stream);
}
byte[] buffer = new byte[0x8000];
while (true)
{
int count = this.tarIn.Read(buffer, 0, buffer.Length);
if (count <= 0)
{
if (!flag2)
{
stream.Close();
break;
}
writer.Close();
return;
}
if (!flag2)
{
stream.Write(buffer, 0, count);
continue;
}
int index = 0;
for (int i = 0; i < count; i++)
{
if (buffer[i] == 10)
{
writer.WriteLine(Encoding.ASCII.GetString(buffer, index, i - index));
index = i + 1;
}
}
}
}
}
}
/// <summary>
/// Extract an entry from the archive. This method assumes that the
/// tarIn stream has been properly set with a call to getNextEntry().
/// </summary>
/// <param name="destDir">
/// The destination directory into which to extract.
/// </param>
/// <param name="entry">
/// The TarEntry returned by tarIn.getNextEntry().
/// </param>
void ExtractEntry(string destDir, TarEntry entry)
{
if (this.verbose)
{
OnProgressMessageEvent(entry, null);
}
string name = entry.Name;
name = name.Replace('/', Path.DirectorySeparatorChar);
if (!destDir.EndsWith(Path.DirectorySeparatorChar.ToString()))
{
destDir += Path.DirectorySeparatorChar;
}
string destFile = destDir + name;
if (entry.IsDirectory)
{
EnsureDirectoryExists(destFile);
}
else
{
string parentDirectory = Path.GetDirectoryName(destFile);
EnsureDirectoryExists(parentDirectory);
if (this.keepOldFiles && File.Exists(destFile))
{
if (this.verbose)
{
OnProgressMessageEvent(entry, "Destination file already exists");
}
}
else
{
bool asciiTrans = false;
Stream outputStream = File.Create(destFile);
if (this.asciiTranslate)
{
asciiTrans = !IsBinary(destFile);
// original java sourcecode :
// MimeType mime = null;
// string contentType = null;
// try {
// contentType = FileTypeMap.getDefaultFileTypeMap().getContentType( destFile );
//
// mime = new MimeType(contentType);
//
// if (mime.getPrimaryType().equalsIgnoreCase( "text" )) {
// asciiTrans = true;
// } else if ( this.transTyper != null ) {
// if ( this.transTyper.isAsciiFile( entry.getName() ) ) {
// asciiTrans = true;
// }
// }
// } catch (MimeTypeParseException ex) {
// }
//
// if (this.debug) {
// Console.Error.WriteLine(("EXTRACT TRANS? '" + asciiTrans + "' ContentType='" + contentType + "' PrimaryType='" + mime.getPrimaryType() + "'" );
// }
}
StreamWriter outw = null;
if (asciiTrans)
{
outw = new StreamWriter(outputStream);
}
byte[] rdbuf = new byte[32 * 1024];
while (true)
{
int numRead = this.tarIn.Read(rdbuf, 0, rdbuf.Length);
if (numRead <= 0)
{
break;
}
if (asciiTrans)
{
for (int off = 0, b = 0; b < numRead; ++b)
{
if (rdbuf[b] == 10)
{
string s = Encoding.ASCII.GetString(rdbuf, off, (b - off));
outw.WriteLine(s);
off = b + 1;
}
}
}
else
{
outputStream.Write(rdbuf, 0, numRead);
}
}
if (asciiTrans)
{
outw.Close();
}
else
{
outputStream.Close();
}
}
}
}
/// <summary>
/// Extract an entry from the archive. This method assumes that the
/// tarIn stream has been properly set with a call to GetNextEntry().
/// </summary>
/// <param name="destDir">
/// The destination directory into which to extract.
/// </param>
/// <param name="entry">
/// The TarEntry returned by tarIn.GetNextEntry().
/// </param>
/// <param name="allowParentTraversal">Allow parent directory traversal in file paths (e.g. ../file)</param>
private void ExtractEntry(string destDir, TarEntry entry, bool allowParentTraversal)
{
OnProgressMessageEvent(entry, null);
string name = entry.Name;
if (Path.IsPathRooted(name))
{
// NOTE:
// for UNC names... \\machine\share\zoom\beet.txt gives \zoom\beet.txt
name = name.Substring(Path.GetPathRoot(name).Length);
}
name = name.Replace('/', Path.DirectorySeparatorChar);
string destFile = Path.Combine(destDir, name);
if (!allowParentTraversal && !Path.GetFullPath(destFile).StartsWith(destDir, StringComparison.InvariantCultureIgnoreCase))
{
throw new InvalidNameException("Parent traversal in paths is not allowed");
}
if (entry.IsDirectory)
{
EnsureDirectoryExists(destFile);
}
else
{
string parentDirectory = Path.GetDirectoryName(destFile);
EnsureDirectoryExists(parentDirectory);
bool process = true;
var fileInfo = new FileInfo(destFile);
if (fileInfo.Exists)
{
if (keepOldFiles)
{
OnProgressMessageEvent(entry, "Destination file already exists");
process = false;
}
else if ((fileInfo.Attributes & FileAttributes.ReadOnly) != 0)
{
OnProgressMessageEvent(entry, "Destination file already exists, and is read-only");
process = false;
}
}
if (process)
{
using (var outputStream = File.Create(destFile))
{
if (this.asciiTranslate)
{
// May need to translate the file.
ExtractAndTranslateEntry(destFile, outputStream);
}
else
{
// If translation is disabled, just copy the entry across directly.
tarIn.CopyEntryContents(outputStream);
}
}
}
}
}
private void WriteEntryCore(TarEntry sourceEntry, bool recurse)
{
//IL_00de: Unknown result type (might be due to invalid IL or missing references)
string text = null;
string text2 = sourceEntry.File;
TarEntry tarEntry = (TarEntry)sourceEntry.Clone();
if (applyUserInfoOverrides)
{
tarEntry.GroupId = groupId;
tarEntry.GroupName = groupName;
tarEntry.UserId = userId;
tarEntry.UserName = userName;
}
OnProgressMessageEvent(tarEntry, null);
if (asciiTranslate && !tarEntry.IsDirectory && !IsBinary(text2))
{
text = Path.GetTempFileName();
StreamReader val = File.OpenText(text2);
try
{
Stream val2 = (Stream)(object)File.Create(text);
try
{
while (true)
{
string text3 = ((TextReader)val).ReadLine();
if (text3 == null)
{
break;
}
byte[] bytes = Encoding.get_ASCII().GetBytes(text3);
val2.Write(bytes, 0, bytes.Length);
val2.WriteByte((byte)10);
}
val2.Flush();
}
finally
{
((global::System.IDisposable)val2)?.Dispose();
}
}
finally
{
((global::System.IDisposable)val)?.Dispose();
}
tarEntry.Size = new FileInfo(text).get_Length();
text2 = text;
}
string text4 = null;
if (rootPath != null && tarEntry.Name.StartsWith(rootPath))
{
text4 = tarEntry.Name.Substring(rootPath.get_Length() + 1);
}
if (pathPrefix != null)
{
text4 = ((text4 == null) ? (pathPrefix + "/" + tarEntry.Name) : (pathPrefix + "/" + text4));
}
if (text4 != null)
{
tarEntry.Name = text4;
}
tarOut.PutNextEntry(tarEntry);
if (tarEntry.IsDirectory)
{
if (recurse)
{
TarEntry[] directoryEntries = tarEntry.GetDirectoryEntries();
for (int i = 0; i < directoryEntries.Length; i++)
{
WriteEntryCore(directoryEntries[i], recurse);
}
}
return;
}
Stream val3 = (Stream)(object)File.OpenRead(text2);
try
{
byte[] array = new byte[32768];
while (true)
{
int num = val3.Read(array, 0, array.Length);
if (num > 0)
{
((Stream)tarOut).Write(array, 0, num);
continue;
}
break;
}
}
finally
{
((global::System.IDisposable)val3)?.Dispose();
}
if (text != null && text.get_Length() > 0)
{
File.Delete(text);
}
tarOut.CloseEntry();
}
private void ExtractEntry(string destDir, TarEntry entry)
{
//IL_005e: Unknown result type (might be due to invalid IL or missing references)
//IL_0065: Expected O, but got Unknown
//IL_0088: Unknown result type (might be due to invalid IL or missing references)
//IL_008e: Unknown result type (might be due to invalid IL or missing references)
//IL_00cc: Unknown result type (might be due to invalid IL or missing references)
//IL_00d3: Expected O, but got Unknown
OnProgressMessageEvent(entry, null);
string text = entry.Name;
if (Path.IsPathRooted(text))
{
text = text.Substring(Path.GetPathRoot(text).get_Length());
}
text = text.Replace('/', Path.DirectorySeparatorChar);
string text2 = Path.Combine(destDir, text);
if (entry.IsDirectory)
{
EnsureDirectoryExists(text2);
return;
}
string directoryName = Path.GetDirectoryName(text2);
EnsureDirectoryExists(directoryName);
bool flag = true;
FileInfo val = new FileInfo(text2);
if (((FileSystemInfo)val).get_Exists())
{
if (keepOldFiles)
{
OnProgressMessageEvent(entry, "Destination file already exists");
flag = false;
}
else if ((((FileSystemInfo)val).get_Attributes() & 1) != 0)
{
OnProgressMessageEvent(entry, "Destination file already exists, and is read-only");
flag = false;
}
}
if (!flag)
{
return;
}
bool flag2 = false;
Stream val2 = (Stream)(object)File.Create(text2);
if (asciiTranslate)
{
flag2 = !IsBinary(text2);
}
StreamWriter val3 = null;
if (flag2)
{
val3 = new StreamWriter(val2);
}
byte[] array = new byte[32768];
while (true)
{
int num = ((Stream)tarIn).Read(array, 0, array.Length);
if (num <= 0)
{
break;
}
if (flag2)
{
int num2 = 0;
for (int i = 0; i < num; i++)
{
if (array[i] == 10)
{
string @string = Encoding.get_ASCII().GetString(array, num2, i - num2);
((TextWriter)val3).WriteLine(@string);
num2 = i + 1;
}
}
}
else
{
val2.Write(array, 0, num);
}
}
if (flag2)
{
((TextWriter)val3).Close();
}
else
{
val2.Close();
}
}
public TarEntry GetNextEntry()
{
//IL_00a6: Unknown result type (might be due to invalid IL or missing references)
//IL_00ac: Expected O, but got Unknown
if (hasHitEOF)
{
return(null);
}
if (currentEntry != null)
{
SkipToNextEntry();
}
byte[] array = tarBuffer.ReadBlock();
if (array == null)
{
hasHitEOF = true;
}
else if (TarBuffer.IsEndOfArchiveBlock(array))
{
hasHitEOF = true;
}
if (hasHitEOF)
{
currentEntry = null;
}
else
{
try
{
TarHeader tarHeader = new TarHeader();
tarHeader.ParseBuffer(array);
if (!tarHeader.IsChecksumValid)
{
throw new TarException("Header checksum is invalid");
}
entryOffset = 0L;
entrySize = tarHeader.Size;
StringBuilder val = null;
if (tarHeader.TypeFlag == 76)
{
byte[] array2 = new byte[512];
long num = entrySize;
val = new StringBuilder();
while (num > 0)
{
int num2 = ((Stream)this).Read(array2, 0, (int)((num > array2.Length) ? array2.Length : num));
if (num2 == -1)
{
throw new InvalidHeaderException("Failed to read long name entry");
}
val.Append(((object)TarHeader.ParseName(array2, 0, num2)).ToString());
num -= num2;
}
SkipToNextEntry();
array = tarBuffer.ReadBlock();
}
else if (tarHeader.TypeFlag == 103)
{
SkipToNextEntry();
array = tarBuffer.ReadBlock();
}
else if (tarHeader.TypeFlag == 120)
{
SkipToNextEntry();
array = tarBuffer.ReadBlock();
}
else if (tarHeader.TypeFlag == 86)
{
SkipToNextEntry();
array = tarBuffer.ReadBlock();
}
else if (tarHeader.TypeFlag != 48 && tarHeader.TypeFlag != 0 && tarHeader.TypeFlag != 53)
{
SkipToNextEntry();
array = tarBuffer.ReadBlock();
}
if (entryFactory == null)
{
currentEntry = new TarEntry(array);
if (val != null)
{
currentEntry.Name = ((object)val).ToString();
}
}
else
{
currentEntry = entryFactory.CreateEntry(array);
}
entryOffset = 0L;
entrySize = currentEntry.Size;
}
catch (InvalidHeaderException ex)
{
entrySize = 0L;
entryOffset = 0L;
currentEntry = null;
string message = $"Bad header in record {tarBuffer.CurrentRecord} block {tarBuffer.CurrentBlock} {((global::System.Exception)(object)ex).get_Message()}";
throw new InvalidHeaderException(message);
}
}
return(currentEntry);
}
public TarEntry GetNextEntry()
{
if (hasHitEOF)
{
return(null);
}
if (currentEntry != null)
{
SkipToNextEntry();
}
byte[] array = tarBuffer.ReadBlock();
if (array == null)
{
hasHitEOF = true;
}
else if (TarBuffer.IsEndOfArchiveBlock(array))
{
hasHitEOF = true;
}
if (hasHitEOF)
{
currentEntry = null;
}
else
{
try
{
TarHeader tarHeader = new TarHeader();
tarHeader.ParseBuffer(array);
if (!tarHeader.IsChecksumValid)
{
throw new TarException("Header checksum is invalid");
}
entryOffset = 0L;
entrySize = tarHeader.Size;
StringBuilder stringBuilder = null;
if (tarHeader.TypeFlag == 76)
{
byte[] array2 = new byte[512];
long num = entrySize;
stringBuilder = new StringBuilder();
while (num > 0)
{
int num2 = Read(array2, 0, (int)((num > array2.Length) ? array2.Length : num));
if (num2 == -1)
{
throw new InvalidHeaderException("Failed to read long name entry");
}
stringBuilder.Append(TarHeader.ParseName(array2, 0, num2).ToString());
num -= num2;
}
SkipToNextEntry();
array = tarBuffer.ReadBlock();
}
else if (tarHeader.TypeFlag == 103)
{
SkipToNextEntry();
array = tarBuffer.ReadBlock();
}
else if (tarHeader.TypeFlag == 120)
{
SkipToNextEntry();
array = tarBuffer.ReadBlock();
}
else if (tarHeader.TypeFlag == 86)
{
SkipToNextEntry();
array = tarBuffer.ReadBlock();
}
else if (tarHeader.TypeFlag != 48 && tarHeader.TypeFlag != 0 && tarHeader.TypeFlag != 53)
{
SkipToNextEntry();
array = tarBuffer.ReadBlock();
}
if (entryFactory == null)
{
currentEntry = new TarEntry(array);
if (stringBuilder != null)
{
currentEntry.Name = stringBuilder.ToString();
}
}
else
{
currentEntry = entryFactory.CreateEntry(array);
}
entryOffset = 0L;
entrySize = currentEntry.Size;
}
catch (InvalidHeaderException ex)
{
entrySize = 0L;
entryOffset = 0L;
currentEntry = null;
string message = $"Bad header in record {tarBuffer.CurrentRecord} block {tarBuffer.CurrentBlock} {ex.Message}";
throw new InvalidHeaderException(message);
}
}
return(currentEntry);
}
private void WriteEntryCore(TarEntry sourceEntry, bool recurse)
{
string text = null;
string text2 = sourceEntry.File;
TarEntry tarEntry = (TarEntry)sourceEntry.Clone();
if (this.applyUserInfoOverrides)
{
tarEntry.GroupId = this.groupId;
tarEntry.GroupName = this.groupName;
tarEntry.UserId = this.userId;
tarEntry.UserName = this.userName;
}
this.OnProgressMessageEvent(tarEntry, null);
if (this.asciiTranslate && !tarEntry.IsDirectory)
{
bool flag = !TarArchive.IsBinary(text2);
if (flag)
{
text = Path.GetTempFileName();
using (StreamReader streamReader = File.OpenText(text2))
{
using (Stream stream = File.Create(text))
{
for (;;)
{
string text3 = streamReader.ReadLine();
if (text3 == null)
{
break;
}
byte[] bytes = Encoding.ASCII.GetBytes(text3);
stream.Write(bytes, 0, bytes.Length);
stream.WriteByte(10);
}
stream.Flush();
}
}
tarEntry.Size = new FileInfo(text).Length;
text2 = text;
}
}
string text4 = null;
if (this.rootPath != null && tarEntry.Name.StartsWith(this.rootPath))
{
text4 = tarEntry.Name.Substring(this.rootPath.Length + 1);
}
if (this.pathPrefix != null)
{
text4 = ((text4 == null) ? (this.pathPrefix + "/" + tarEntry.Name) : (this.pathPrefix + "/" + text4));
}
if (text4 != null)
{
tarEntry.Name = text4;
}
this.tarOut.PutNextEntry(tarEntry);
if (tarEntry.IsDirectory)
{
if (recurse)
{
TarEntry[] directoryEntries = tarEntry.GetDirectoryEntries();
for (int i = 0; i < directoryEntries.Length; i++)
{
this.WriteEntryCore(directoryEntries[i], recurse);
}
return;
}
}
else
{
using (Stream stream2 = File.OpenRead(text2))
{
int num = 0;
byte[] array = new byte[32768];
for (;;)
{
int num2 = stream2.Read(array, 0, array.Length);
if (num2 <= 0)
{
break;
}
this.tarOut.Write(array, 0, num2);
num += num2;
}
}
if (text != null && text.Length > 0)
{
File.Delete(text);
}
this.tarOut.CloseEntry();
}
}
/// <summary>
/// Extract an entry from the archive. This method assumes that the
/// tarIn stream has been properly set with a call to getNextEntry().
/// </summary>
/// <param name="destDir">
/// The destination directory into which to extract.
/// </param>
/// <param name="entry">
/// The TarEntry returned by tarIn.getNextEntry().
/// </param>
void ExtractEntry(string destDir, TarEntry entry)
{
if (this.verbose)
{
OnProgressMessageEvent(entry, null);
}
string name = entry.Name;
if (Path.IsPathRooted(name) == true)
{
// NOTE:
// for UNC names... \\machine\share\zoom\beet.txt gives \zoom\beet.txt
name = name.Substring(Path.GetPathRoot(name).Length);
}
name = name.Replace('/', Path.DirectorySeparatorChar);
string destFile = Path.Combine(destDir, name);
if (entry.IsDirectory)
{
EnsureDirectoryExists(destFile);
}
else
{
string parentDirectory = Path.GetDirectoryName(destFile);
EnsureDirectoryExists(parentDirectory);
bool process = true;
FileInfo fileInfo = new FileInfo(destFile);
if (fileInfo.Exists)
{
if (this.keepOldFiles)
{
OnProgressMessageEvent(entry, "Destination file already exists");
process = false;
}
else if ((fileInfo.Attributes & FileAttributes.ReadOnly) != 0)
{
OnProgressMessageEvent(entry, "Destination file already exists, and is read-only");
process = false;
}
}
if (process)
{
bool asciiTrans = false;
// TODO file may exist and be read-only at this point!
Stream outputStream = File.Create(destFile);
if (this.asciiTranslate)
{
asciiTrans = !IsBinary(destFile);
// TODO do we need this stuff below?
// original java sourcecode :
// MimeType mime = null;
// string contentType = null;
// try {
// contentType = FileTypeMap.getDefaultFileTypeMap().getContentType( destFile );
//
// mime = new MimeType(contentType);
//
// if (mime.getPrimaryType().equalsIgnoreCase( "text" )) {
// asciiTrans = true;
// } else if ( this.transTyper != null ) {
// if ( this.transTyper.isAsciiFile( entry.getName() ) ) {
// asciiTrans = true;
// }
// }
// } catch (MimeTypeParseException ex) {
// }
//
// if (this.debug) {
// Console.Error.WriteLine(("EXTRACT TRANS? '" + asciiTrans + "' ContentType='" + contentType + "' PrimaryType='" + mime.getPrimaryType() + "'" );
// }
}
StreamWriter outw = null;
if (asciiTrans)
{
outw = new StreamWriter(outputStream);
}
byte[] rdbuf = new byte[32 * 1024];
while (true)
{
int numRead = this.tarIn.Read(rdbuf, 0, rdbuf.Length);
if (numRead <= 0)
{
break;
}
if (asciiTrans)
{
for (int off = 0, b = 0; b < numRead; ++b)
{
if (rdbuf[b] == 10)
{
string s = Encoding.ASCII.GetString(rdbuf, off, (b - off));
outw.WriteLine(s);
off = b + 1;
}
}
}
else
{
outputStream.Write(rdbuf, 0, numRead);
}
}
if (asciiTrans)
{
outw.Close();
}
else
{
outputStream.Close();
}
}
}
}
/// <summary>
/// Determine if the given entry is a descendant of this entry.
/// Descendancy is determined by the name of the descendant
/// starting with this entry's name.
/// </summary>
/// <param name = "toTest">
/// Entry to be checked as a descendent of this.
/// </param>
/// <returns>
/// True if entry is a descendant of this.
/// </returns>
public bool IsDescendent(TarEntry toTest)
{
return(toTest == null ? throw new ArgumentNullException(nameof(toTest)) : toTest.Name.StartsWith(Name, StringComparison.Ordinal));
}
/// <summary>
/// Write an entry to the archive. This method will call the putNextEntry
/// and then write the contents of the entry, and finally call closeEntry()
/// for entries that are files. For directories, it will call putNextEntry(),
/// and then, if the recurse flag is true, process each entry that is a
/// child of the directory.
/// </summary>
/// <param name="sourceEntry">
/// The TarEntry representing the entry to write to the archive.
/// </param>
/// <param name="recurse">
/// If true, process the children of directory entries.
/// </param>
void InternalWriteEntry(TarEntry sourceEntry, bool recurse)
{
bool asciiTrans = false;
string tempFileName = null;
string entryFilename = sourceEntry.File;
TarEntry entry = (TarEntry)sourceEntry.Clone();
if (applyUserInfoOverrides)
{
entry.GroupId = groupId;
entry.GroupName = groupName;
entry.UserId = userId;
entry.UserName = userName;
}
OnProgressMessageEvent(entry, null);
if (this.asciiTranslate && !entry.IsDirectory)
{
asciiTrans = !IsBinary(entryFilename);
if (asciiTrans)
{
tempFileName = Path.GetTempFileName();
StreamReader inStream = File.OpenText(entryFilename);
Stream outStream = File.Create(tempFileName);
while (true)
{
string line = inStream.ReadLine();
if (line == null)
{
break;
}
byte[] data = Encoding.ASCII.GetBytes(line);
outStream.Write(data, 0, data.Length);
outStream.WriteByte((byte)'\n');
}
inStream.Close();
outStream.Flush();
outStream.Close();
entry.Size = new FileInfo(tempFileName).Length;
entryFilename = tempFileName;
}
}
string newName = null;
if (this.rootPath != null)
{
if (entry.Name.StartsWith(this.rootPath))
{
newName = entry.Name.Substring(this.rootPath.Length + 1);
}
}
if (this.pathPrefix != null)
{
newName = (newName == null) ? this.pathPrefix + "/" + entry.Name : this.pathPrefix + "/" + newName;
}
if (newName != null)
{
entry.Name = newName;
}
this.tarOut.PutNextEntry(entry);
if (entry.IsDirectory)
{
if (recurse)
{
TarEntry[] list = entry.GetDirectoryEntries();
for (int i = 0; i < list.Length; ++i)
{
InternalWriteEntry(list[i], recurse);
}
}
}
else
{
Stream inputStream = File.OpenRead(entryFilename);
int numWritten = 0;
byte[] eBuf = new byte[32 * 1024];
while (true)
{
int numRead = inputStream.Read(eBuf, 0, eBuf.Length);
if (numRead <= 0)
{
break;
}
this.tarOut.Write(eBuf, 0, numRead);
numWritten += numRead;
}
inputStream.Close();
if (tempFileName != null && tempFileName.Length > 0)
{
File.Delete(tempFileName);
}
this.tarOut.CloseEntry();
}
}
public bool IsDescendent(TarEntry toTest) => toTest?.Name.StartsWith(this.Name);
/// <summary>
/// Write an entry to the archive. This method will call the putNextEntry
/// and then write the contents of the entry, and finally call closeEntry()()
/// for entries that are files. For directories, it will call putNextEntry(),
/// and then, if the recurse flag is true, process each entry that is a
/// child of the directory.
/// </summary>
/// <param name="entry">
/// The TarEntry representing the entry to write to the archive.
/// </param>
/// <param name="recurse">
/// If true, process the children of directory entries.
/// </param>
public void WriteEntry(TarEntry entry, bool recurse)
{
bool asciiTrans = false;
string tempFileName = null;
string eFile = entry.File;
// Work on a copy of the entry so we can manipulate it.
// Note that we must distinguish how the entry was constructed.
//
if (eFile == null || eFile.Length == 0)
{
entry = TarEntry.CreateTarEntry(entry.Name);
}
else
{
//
// The user may have explicitly set the entry's name to
// something other than the file's path, so we must save
// and restore it. This should work even when the name
// was set from the File's name.
//
string saveName = entry.Name;
entry = TarEntry.CreateEntryFromFile(eFile);
entry.Name = saveName;
}
if (this.verbose)
{
OnProgressMessageEvent(entry, null);
}
if (this.asciiTranslate && !entry.IsDirectory)
{
asciiTrans = !IsBinary(eFile);
// original java source :
// MimeType mime = null;
// string contentType = null;
//
// try {
// contentType = FileTypeMap.getDefaultFileTypeMap(). getContentType( eFile );
//
// mime = new MimeType( contentType );
//
// if ( mime.getPrimaryType().
// equalsIgnoreCase( "text" ) )
// {
// asciiTrans = true;
// }
// else if ( this.transTyper != null )
// {
// if ( this.transTyper.isAsciiFile( eFile ) )
// {
// asciiTrans = true;
// }
// }
// } catch ( MimeTypeParseException ex )
// {
// // IGNORE THIS ERROR...
// }
//
// if (this.debug) {
// Console.Error.WriteLine("CREATE TRANS? '" + asciiTrans + "' ContentType='" + contentType + "' PrimaryType='" + mime.getPrimaryType()+ "'" );
// }
if (asciiTrans)
{
tempFileName = Path.GetTempFileName();
StreamReader inStream = File.OpenText(eFile);
Stream outStream = new BufferedStream(File.Create(tempFileName));
while (true)
{
string line = inStream.ReadLine();
if (line == null)
{
break;
}
byte[] data = Encoding.ASCII.GetBytes(line);
outStream.Write(data, 0, data.Length);
outStream.WriteByte((byte)'\n');
}
inStream.Close();
outStream.Flush();
outStream.Close();
entry.Size = new FileInfo(tempFileName).Length;
eFile = tempFileName;
}
}
string newName = null;
if (this.rootPath != null)
{
if (entry.Name.StartsWith(this.rootPath))
{
newName = entry.Name.Substring(this.rootPath.Length + 1);
}
}
if (this.pathPrefix != null)
{
newName = (newName == null) ? this.pathPrefix + "/" + entry.Name : this.pathPrefix + "/" + newName;
}
if (newName != null)
{
entry.Name = newName;
}
this.tarOut.PutNextEntry(entry);
if (entry.IsDirectory)
{
if (recurse)
{
TarEntry[] list = entry.GetDirectoryEntries();
for (int i = 0; i < list.Length; ++i)
{
this.WriteEntry(list[i], recurse);
}
}
}
else
{
Stream inputStream = File.OpenRead(eFile);
int numWritten = 0;
byte[] eBuf = new byte[32 * 1024];
while (true)
{
int numRead = inputStream.Read(eBuf, 0, eBuf.Length);
if (numRead <= 0)
{
break;
}
this.tarOut.Write(eBuf, 0, numRead);
numWritten += numRead;
}
// Console.WriteLine("written " + numWritten + " bytes");
inputStream.Close();
if (tempFileName != null && tempFileName.Length > 0)
{
File.Delete(tempFileName);
}
this.tarOut.CloseEntry();
}
}
public TarEntry GetNextEntry()
{
if (this.hasHitEOF)
{
return(null);
}
if (this.currentEntry != null)
{
this.SkipToNextEntry();
}
byte[] block = this.tarBuffer.ReadBlock();
if (block == null)
{
this.hasHitEOF = true;
}
else if (TarBuffer.IsEndOfArchiveBlock(block))
{
this.hasHitEOF = true;
}
if (this.hasHitEOF)
{
this.currentEntry = null;
}
else
{
try
{
TarHeader header = new TarHeader();
header.ParseBuffer(block);
if (!header.IsChecksumValid)
{
throw new TarException("Header checksum is invalid");
}
this.entryOffset = 0L;
this.entrySize = header.Size;
StringBuilder builder = null;
if (header.TypeFlag == 0x4c)
{
byte[] buffer = new byte[0x200];
long entrySize = this.entrySize;
builder = new StringBuilder();
while (entrySize > 0L)
{
int length = this.Read(buffer, 0, (entrySize > buffer.Length) ? buffer.Length : ((int)entrySize));
if (length == -1)
{
throw new InvalidHeaderException("Failed to read long name entry");
}
builder.Append(TarHeader.ParseName(buffer, 0, length).ToString());
entrySize -= length;
}
this.SkipToNextEntry();
block = this.tarBuffer.ReadBlock();
}
else if (header.TypeFlag == 0x67)
{
this.SkipToNextEntry();
block = this.tarBuffer.ReadBlock();
}
else if (header.TypeFlag == 120)
{
this.SkipToNextEntry();
block = this.tarBuffer.ReadBlock();
}
else if (header.TypeFlag == 0x56)
{
this.SkipToNextEntry();
block = this.tarBuffer.ReadBlock();
}
else if (((header.TypeFlag != 0x30) && (header.TypeFlag != 0)) && (header.TypeFlag != 0x35))
{
this.SkipToNextEntry();
block = this.tarBuffer.ReadBlock();
}
if (this.entryFactory == null)
{
this.currentEntry = new TarEntry(block);
if (builder != null)
{
this.currentEntry.Name = builder.ToString();
}
}
else
{
this.currentEntry = this.entryFactory.CreateEntry(block);
}
this.entryOffset = 0L;
this.entrySize = this.currentEntry.Size;
}
catch (InvalidHeaderException exception)
{
this.entrySize = 0L;
this.entryOffset = 0L;
this.currentEntry = null;
throw new InvalidHeaderException(string.Format("Bad header in record {0} block {1} {2}", this.tarBuffer.CurrentRecord, this.tarBuffer.CurrentBlock, exception.Message));
}
}
return(this.currentEntry);
}
private void WriteEntryCore(TarEntry sourceEntry, bool recurse)
{
string path = null;
string str3;
string file = sourceEntry.File;
TarEntry entry = (TarEntry)sourceEntry.Clone();
if (this.applyUserInfoOverrides)
{
entry.GroupId = this.groupId;
entry.GroupName = this.groupName;
entry.UserId = this.userId;
entry.UserName = this.userName;
}
this.OnProgressMessageEvent(entry, null);
if (this.asciiTranslate && (!entry.IsDirectory && !IsBinary(file)))
{
path = Path.GetTempFileName();
using (StreamReader reader = File.OpenText(file))
{
Stream stream = File.Create(path);
while (true)
{
try
{
while (true)
{
string s = reader.ReadLine();
if (s == null)
{
stream.Flush();
entry.Size = new FileInfo(path).Length;
file = path;
goto TR_0022;
}
else
{
byte[] bytes = Encoding.ASCII.GetBytes(s);
stream.Write(bytes, 0, bytes.Length);
stream.WriteByte(10);
}
break;
}
}
finally
{
if (stream != null)
{
stream.Dispose();
}
}
}
}
}
TR_0022:
str3 = null;
if ((this.rootPath != null) && entry.Name.StartsWith(this.rootPath, StringComparison.OrdinalIgnoreCase))
{
str3 = entry.Name.Substring(this.rootPath.Length + 1);
}
if (this.pathPrefix != null)
{
str3 = (str3 == null) ? (this.pathPrefix + "/" + entry.Name) : (this.pathPrefix + "/" + str3);
}
if (str3 != null)
{
entry.Name = str3;
}
this.tarOut.PutNextEntry(entry);
if (entry.IsDirectory)
{
if (recurse)
{
TarEntry[] directoryEntries = entry.GetDirectoryEntries();
for (int i = 0; i < directoryEntries.Length; i++)
{
this.WriteEntryCore(directoryEntries[i], recurse);
}
}
}
else
{
using (Stream stream2 = File.OpenRead(file))
{
byte[] buffer = new byte[0x8000];
while (true)
{
int count = stream2.Read(buffer, 0, buffer.Length);
if (count <= 0)
{
break;
}
this.tarOut.Write(buffer, 0, count);
}
}
if ((path != null) && (path.Length > 0))
{
File.Delete(path);
}
this.tarOut.CloseEntry();
}
}
/// <summary>
/// Determine if the given entry is a descendant of this entry.
/// Descendancy is determined by the name of the descendant
/// starting with this entry's name.
/// </summary>
/// <param name = "desc">
/// Entry to be checked as a descendent of this.
/// </param>
/// <returns>
/// True if entry is a descendant of this.
/// </returns>
public bool IsDescendent(TarEntry desc)
{
return(desc.header.name.ToString().StartsWith(this.header.name.ToString()));
}
/// <summary>
/// Extract an entry from the archive. This method assumes that the
/// tarIn stream has been properly set with a call to GetNextEntry().
/// </summary>
/// <param name="destDir">
/// The destination directory into which to extract.
/// </param>
/// <param name="entry">
/// The TarEntry returned by tarIn.GetNextEntry().
/// </param>
void ExtractEntry(string destDir, TarEntry entry)
{
OnProgressMessageEvent(entry, null);
string name = entry.Name;
if (Path.IsPathRooted(name))
{
// NOTE:
// for UNC names... \\machine\share\zoom\beet.txt gives \zoom\beet.txt
name = name.Substring(Path.GetPathRoot(name).Length);
}
name = name.Replace('/', Path.DirectorySeparatorChar);
string destFile = Path.Combine(destDir, name);
if (entry.IsDirectory)
{
EnsureDirectoryExists(destFile);
}
else
{
string parentDirectory = Path.GetDirectoryName(destFile);
EnsureDirectoryExists(parentDirectory);
bool process = true;
FileInfo fileInfo = new FileInfo(destFile);
if (fileInfo.Exists)
{
if (keepOldFiles)
{
OnProgressMessageEvent(entry, "Destination file already exists");
process = false;
}
else if ((fileInfo.Attributes & FileAttributes.ReadOnly) != 0)
{
OnProgressMessageEvent(entry, "Destination file already exists, and is read-only");
process = false;
}
}
if (process)
{
bool asciiTrans = false;
Stream outputStream = File.Create(destFile);
if (this.asciiTranslate)
{
asciiTrans = !IsBinary(destFile);
}
StreamWriter outw = null;
if (asciiTrans)
{
outw = new StreamWriter(outputStream);
}
byte[] rdbuf = new byte[32 * 1024];
while (true)
{
int numRead = tarIn.Read(rdbuf, 0, rdbuf.Length);
if (numRead <= 0)
{
break;
}
if (asciiTrans)
{
for (int off = 0, b = 0; b < numRead; ++b)
{
if (rdbuf[b] == 10)
{
string s = Encoding.ASCII.GetString(rdbuf, off, (b - off));
outw.WriteLine(s);
off = b + 1;
}
}
}
else
{
outputStream.Write(rdbuf, 0, numRead);
}
}
if (asciiTrans)
{
outw.Close();
}
else
{
outputStream.Close();
}
}
}
}
public override bool Equals(object obj)
{
TarEntry entry = obj as TarEntry;
return((entry != null) && this.Name.Equals(entry.Name));
}
/// <summary>
/// Create a tar entry with details obtained from <paramref name="fileName">file</paramref>
/// </summary>
/// <param name="fileName">The name of the file to retrieve details from.</param>
/// <returns>A new <see cref="TarEntry"/></returns>
public TarEntry CreateEntryFromFile(string fileName)
{
return(TarEntry.CreateEntryFromFile(fileName));
}
/// <summary>
/// Determine if the given entry is a descendant of this entry.
/// Descendancy is determined by the name of the descendant
/// starting with this entry's name.
/// </summary>
/// <param name = "desc">
/// Entry to be checked as a descendent of this.
/// </param>
/// <returns>
/// True if entry is a descendant of this.
/// </returns>
public bool IsDescendent(TarEntry desc)
{
return(desc.Name.StartsWith(Name));
}
private void ExtractEntry(string destDir, TarEntry entry)
{
this.OnProgressMessageEvent(entry, null);
string text = entry.Name;
if (Path.IsPathRooted(text))
{
text = text.Substring(Path.GetPathRoot(text).Length);
}
text = text.Replace('/', Path.DirectorySeparatorChar);
string text2 = Path.Combine(destDir, text);
if (entry.IsDirectory)
{
TarArchive.EnsureDirectoryExists(text2);
return;
}
string directoryName = Path.GetDirectoryName(text2);
TarArchive.EnsureDirectoryExists(directoryName);
bool flag = true;
FileInfo fileInfo = new FileInfo(text2);
if (fileInfo.Exists)
{
if (this.keepOldFiles)
{
this.OnProgressMessageEvent(entry, "Destination file already exists");
flag = false;
}
else if ((fileInfo.Attributes & FileAttributes.ReadOnly) != (FileAttributes)0)
{
this.OnProgressMessageEvent(entry, "Destination file already exists, and is read-only");
flag = false;
}
}
if (flag)
{
bool flag2 = false;
Stream stream = File.Create(text2);
if (this.asciiTranslate)
{
flag2 = !TarArchive.IsBinary(text2);
}
StreamWriter streamWriter = null;
if (flag2)
{
streamWriter = new StreamWriter(stream);
}
byte[] array = new byte[32768];
for (;;)
{
int num = this.tarIn.Read(array, 0, array.Length);
if (num <= 0)
{
break;
}
if (flag2)
{
int num2 = 0;
for (int i = 0; i < num; i++)
{
if (array[i] == 10)
{
string @string = Encoding.ASCII.GetString(array, num2, i - num2);
streamWriter.WriteLine(@string);
num2 = i + 1;
}
}
}
else
{
stream.Write(array, 0, num);
}
}
if (flag2)
{
streamWriter.Close();
return;
}
stream.Close();
}
}
/// <summary>
/// Raises the ProgressMessage event
/// </summary>
/// <param name="entry">The <see cref="TarEntry">TarEntry</see> for this event</param>
/// <param name="message">message for this event. Null is no message</param>
protected virtual void OnProgressMessageEvent(TarEntry entry, string message)
{
ProgressMessageEvent?.Invoke(this, entry, message);
}
/// <summary>
/// Determine if the given entry is a descendant of this entry.
/// Descendancy is determined by the name of the descendant
/// starting with this entry's name.
/// </summary>
/// <param name = "toTest">
/// Entry to be checked as a descendent of this.
/// </param>
/// <returns>
/// True if entry is a descendant of this.
/// </returns>
public bool IsDescendent(TarEntry toTest)
{
if ( toTest == null ) {
throw new ArgumentNullException("toTest");
}
return toTest.Name.StartsWith(Name);
}
protected override void PostCreate(TarEntry entry)
{
if (entry.Size > 0)
{
tfs.tis.Read(data = new byte[entry.Size], 0, (int)entry.Size);
}
else
data = new byte[0];
}
public static TarFileSystemInfo FromEntry(TarFileSystem tfs, TarEntry entry)
{
TarFileSystemInfo fsi;
if (entry.IsDirectory)
fsi = new TarDirectoryInfo();
else
fsi = new TarFileInfo();
fsi.tfs = tfs;
fsi.CreationTime = entry.ModTime;
fsi.Exists = true;
fsi.FullName = entry.Name;
fsi.LastAccessTime = entry.ModTime;
fsi.LastWriteTime = entry.ModTime;
fsi.Name = entry.Name.PostLastCharacter('/');
fsi.Extension = entry.IsDirectory ? string.Empty : fsi.Name.PostFirstCharacter('.', string.Empty);
fsi.PostCreate(entry);
return fsi;
}
protected override void PostCreate(TarEntry entry)
{
}
/// <summary>
/// Determine if the given entry is a descendant of this entry.
/// Descendancy is determined by the name of the descendant
/// starting with this entry's name.
/// </summary>
/// <param name = "toTest">
/// Entry to be checked as a descendent of this.
/// </param>
/// <returns>
/// True if entry is a descendant of this.
/// </returns>
public bool IsDescendent(TarEntry toTest)
{
if (toTest == null) {
throw new ArgumentNullException("toTest");
}
return toTest.Name.StartsWith(Name, StringComparison.Ordinal);
}
/// <summary>
/// Create a <see cref="TarEntry"/> based on named
/// </summary>
/// <param name="name">The name to use for the entry</param>
/// <returns>A new <see cref="TarEntry"/></returns>
public TarEntry CreateEntry(string name)
{
return(TarEntry.CreateTarEntry(name));
}
/// <summary>
/// Write an entry to the archive. This method will call the putNextEntry
/// and then write the contents of the entry, and finally call closeEntry()
/// for entries that are files. For directories, it will call putNextEntry(),
/// and then, if the recurse flag is true, process each entry that is a
/// child of the directory.
/// </summary>
/// <param name="sourceEntry">
/// The TarEntry representing the entry to write to the archive.
/// </param>
/// <param name="recurse">
/// If true, process the children of directory entries.
/// </param>
public void WriteEntry(TarEntry sourceEntry, bool recurse)
{
if ( sourceEntry == null ) {
throw new ArgumentNullException("sourceEntry");
}
if ( isDisposed ) {
throw new ObjectDisposedException("TarArchive");
}
try
{
if ( recurse ) {
TarHeader.SetValueDefaults(sourceEntry.UserId, sourceEntry.UserName,
sourceEntry.GroupId, sourceEntry.GroupName);
}
WriteEntryCore(sourceEntry, recurse);
}
finally
{
if ( recurse ) {
TarHeader.RestoreSetValues();
}
}
}
/// <summary>
/// Raises the ProgressMessage event
/// </summary>
/// <param name="entry">TarEntry for this event</param>
/// <param name="message">message for this event. Null is no message</param>
protected virtual void OnProgressMessageEvent(TarEntry entry, string message)
{
if (ProgressMessageEvent != null) {
ProgressMessageEvent(this, entry, message);
}
}
/// <summary>
/// Extract an entry from the archive. This method assumes that the
/// tarIn stream has been properly set with a call to GetNextEntry().
/// </summary>
/// <param name="destDir">
/// The destination directory into which to extract.
/// </param>
/// <param name="entry">
/// The TarEntry returned by tarIn.GetNextEntry().
/// </param>
void ExtractEntry(string destDir, TarEntry entry)
{
OnProgressMessageEvent(entry, null);
string name = entry.Name;
if (Path.IsPathRooted(name)) {
// NOTE:
// for UNC names... \\machine\share\zoom\beet.txt gives \zoom\beet.txt
name = name.Substring(Path.GetPathRoot(name).Length);
}
name = name.Replace('/', Path.DirectorySeparatorChar);
string destFile = Path.Combine(destDir, name);
if (entry.IsDirectory) {
EnsureDirectoryExists(destFile);
} else {
string parentDirectory = Path.GetDirectoryName(destFile);
EnsureDirectoryExists(parentDirectory);
bool process = true;
FileInfo fileInfo = new FileInfo(destFile);
if (fileInfo.Exists) {
if (keepOldFiles) {
OnProgressMessageEvent(entry, "Destination file already exists");
process = false;
} else if ((fileInfo.Attributes & FileAttributes.ReadOnly) != 0) {
OnProgressMessageEvent(entry, "Destination file already exists, and is read-only");
process = false;
}
}
if (process) {
bool asciiTrans = false;
Stream outputStream = File.Create(destFile);
if (this.asciiTranslate) {
asciiTrans = !IsBinary(destFile);
}
StreamWriter outw = null;
if (asciiTrans) {
outw = new StreamWriter(outputStream);
}
byte[] rdbuf = new byte[32 * 1024];
while (true) {
int numRead = tarIn.Read(rdbuf, 0, rdbuf.Length);
if (numRead <= 0) {
break;
}
if (asciiTrans) {
for (int off = 0, b = 0; b < numRead; ++b) {
if (rdbuf[b] == 10) {
string s = Encoding.ASCII.GetString(rdbuf, off, (b - off));
outw.WriteLine(s);
off = b + 1;
}
}
} else {
outputStream.Write(rdbuf, 0, numRead);
}
}
if (asciiTrans) {
outw.Close();
} else {
outputStream.Close();
}
}
}
}
/// <summary>
/// Extract an entry from the archive. This method assumes that the
/// tarIn stream has been properly set with a call to getNextEntry().
/// </summary>
/// <param name="destDir">
/// The destination directory into which to extract.
/// </param>
/// <param name="entry">
/// The TarEntry returned by tarIn.getNextEntry().
/// </param>
void ExtractEntry(string destDir, TarEntry entry)
{
if (this.verbose) {
OnProgressMessageEvent(entry, null);
}
string name = entry.Name;
name = name.Replace('/', Path.DirectorySeparatorChar);
if (!destDir.EndsWith(Path.DirectorySeparatorChar.ToString())) {
destDir += Path.DirectorySeparatorChar;
}
string destFile = destDir + name;
if (entry.IsDirectory) {
EnsureDirectoryExists(destFile);
}
else {
string parentDirectory = Path.GetDirectoryName(destFile);
EnsureDirectoryExists(parentDirectory);
if (this.keepOldFiles && File.Exists(destFile)) {
if (this.verbose) {
OnProgressMessageEvent(entry, "Destination file already exists");
}
}
else {
bool asciiTrans = false;
Stream outputStream = File.Create(destFile);
if (this.asciiTranslate) {
asciiTrans = !IsBinary(destFile);
// original java sourcecode :
// MimeType mime = null;
// string contentType = null;
// try {
// contentType = FileTypeMap.getDefaultFileTypeMap().getContentType( destFile );
//
// mime = new MimeType(contentType);
//
// if (mime.getPrimaryType().equalsIgnoreCase( "text" )) {
// asciiTrans = true;
// } else if ( this.transTyper != null ) {
// if ( this.transTyper.isAsciiFile( entry.getName() ) ) {
// asciiTrans = true;
// }
// }
// } catch (MimeTypeParseException ex) {
// }
//
// if (this.debug) {
// Console.Error.WriteLine(("EXTRACT TRANS? '" + asciiTrans + "' ContentType='" + contentType + "' PrimaryType='" + mime.getPrimaryType() + "'" );
// }
}
StreamWriter outw = null;
if (asciiTrans) {
outw = new StreamWriter(outputStream);
}
byte[] rdbuf = new byte[32 * 1024];
while (true) {
int numRead = this.tarIn.Read(rdbuf, 0, rdbuf.Length);
if (numRead <= 0) {
break;
}
if (asciiTrans) {
for (int off = 0, b = 0; b < numRead; ++b) {
if (rdbuf[b] == 10) {
string s = Encoding.ASCII.GetString(rdbuf, off, (b - off));
outw.WriteLine(s);
off = b + 1;
}
}
}
else {
outputStream.Write(rdbuf, 0, numRead);
}
}
if (asciiTrans) {
outw.Close();
}
else {
outputStream.Close();
}
}
}
}
/// <summary>
/// Write an entry to the archive. This method will call the putNextEntry
/// and then write the contents of the entry, and finally call closeEntry()()
/// for entries that are files. For directories, it will call putNextEntry(),
/// and then, if the recurse flag is true, process each entry that is a
/// child of the directory.
/// </summary>
/// <param name="entry">
/// The TarEntry representing the entry to write to the archive.
/// </param>
/// <param name="recurse">
/// If true, process the children of directory entries.
/// </param>
public void WriteEntry(TarEntry entry, bool recurse)
{
bool asciiTrans = false;
string tempFileName = null;
string eFile = entry.File;
// Work on a copy of the entry so we can manipulate it.
// Note that we must distinguish how the entry was constructed.
//
if (eFile == null || eFile.Length == 0) {
entry = TarEntry.CreateTarEntry(entry.Name);
}
else {
//
// The user may have explicitly set the entry's name to
// something other than the file's path, so we must save
// and restore it. This should work even when the name
// was set from the File's name.
//
string saveName = entry.Name;
entry = TarEntry.CreateEntryFromFile(eFile);
entry.Name = saveName;
}
if (this.verbose) {
OnProgressMessageEvent(entry, null);
}
if (this.asciiTranslate && !entry.IsDirectory) {
asciiTrans = !IsBinary(eFile);
// original java source :
// MimeType mime = null;
// string contentType = null;
//
// try {
// contentType = FileTypeMap.getDefaultFileTypeMap(). getContentType( eFile );
//
// mime = new MimeType( contentType );
//
// if ( mime.getPrimaryType().
// equalsIgnoreCase( "text" ) )
// {
// asciiTrans = true;
// }
// else if ( this.transTyper != null )
// {
// if ( this.transTyper.isAsciiFile( eFile ) )
// {
// asciiTrans = true;
// }
// }
// } catch ( MimeTypeParseException ex )
// {
// // IGNORE THIS ERROR...
// }
//
// if (this.debug) {
// Console.Error.WriteLine("CREATE TRANS? '" + asciiTrans + "' ContentType='" + contentType + "' PrimaryType='" + mime.getPrimaryType()+ "'" );
// }
if (asciiTrans) {
tempFileName = Path.GetTempFileName();
StreamReader inStream = File.OpenText(eFile);
Stream outStream = new BufferedStream(File.Create(tempFileName));
while (true) {
string line = inStream.ReadLine();
if (line == null) {
break;
}
byte[] data = Encoding.ASCII.GetBytes(line);
outStream.Write(data, 0, data.Length);
outStream.WriteByte((byte)'\n');
}
inStream.Close();
outStream.Flush();
outStream.Close();
entry.Size = new FileInfo(tempFileName).Length;
eFile = tempFileName;
}
}
string newName = null;
if (this.rootPath != null) {
if (entry.Name.StartsWith(this.rootPath)) {
newName = entry.Name.Substring(this.rootPath.Length + 1 );
}
}
if (this.pathPrefix != null) {
newName = (newName == null) ? this.pathPrefix + "/" + entry.Name : this.pathPrefix + "/" + newName;
}
if (newName != null) {
entry.Name = newName;
}
this.tarOut.PutNextEntry(entry);
if (entry.IsDirectory) {
if (recurse) {
TarEntry[] list = entry.GetDirectoryEntries();
for (int i = 0; i < list.Length; ++i) {
this.WriteEntry(list[i], recurse);
}
}
}
else {
Stream inputStream = File.OpenRead(eFile);
int numWritten = 0;
byte[] eBuf = new byte[32 * 1024];
while (true) {
int numRead = inputStream.Read(eBuf, 0, eBuf.Length);
if (numRead <=0) {
break;
}
this.tarOut.Write(eBuf, 0, numRead);
numWritten += numRead;
}
// Console.WriteLine("written " + numWritten + " bytes");
inputStream.Close();
if (tempFileName != null && tempFileName.Length > 0) {
File.Delete(tempFileName);
}
this.tarOut.CloseEntry();
}
}
/// <summary>
/// Clone this tar entry.
/// </summary>
/// <returns>Returns a clone of this entry.</returns>
public object Clone()
{
TarEntry entry = new TarEntry();
entry.file = file;
entry.header = (TarHeader)header.Clone();
entry.Name = Name;
return entry;
}
/// <summary>
/// Display progress information on console
/// </summary>
public void ShowTarProgressMessage(TarArchive archive, TarEntry entry, string message)
{
if (entry.TarHeader.TypeFlag != TarHeader.LF_NORMAL && entry.TarHeader.TypeFlag != TarHeader.LF_OLDNORM) {
Console.WriteLine("Entry type " + (char)entry.TarHeader.TypeFlag + " found!");
}
if (message != null)
Console.Write(entry.Name + " " + message);
else {
if (this.verbose) {
string modeString = DecodeType(entry.TarHeader.TypeFlag, entry.Name.EndsWith("/")) + DecodeMode(entry.TarHeader.Mode);
string userString = (entry.UserName == null || entry.UserName.Length == 0) ? entry.UserId.ToString() : entry.UserName;
string groupString = (entry.GroupName == null || entry.GroupName.Length == 0) ? entry.GroupId.ToString() : entry.GroupName;
Console.WriteLine(string.Format("{0} {1}/{2} {3,8} {4:yyyy-MM-dd HH:mm:ss} {5}", modeString, userString, groupString, entry.Size, entry.ModTime.ToLocalTime(), entry.Name));
} else {
Console.WriteLine(entry.Name);
}
}
}
/// <summary>
/// Get entries for all files present in this entries directory.
/// If this entry doesnt represent a directory zero entries are returned.
/// </summary>
/// <returns>
/// An array of TarEntry's for this entry's children.
/// </returns>
public TarEntry[] GetDirectoryEntries()
{
if ((file == null) || !Directory.Exists(file)) {
return new TarEntry[0];
}
string[] list = Directory.GetFileSystemEntries(file);
TarEntry[] result = new TarEntry[list.Length];
for (int i = 0; i < list.Length; ++i) {
result[i] = TarEntry.CreateEntryFromFile(list[i]);
}
return result;
}
/// <summary>
/// Extract an entry from the archive. This method assumes that the
/// tarIn stream has been properly set with a call to getNextEntry().
/// </summary>
/// <param name="destDir">
/// The destination directory into which to extract.
/// </param>
/// <param name="entry">
/// The TarEntry returned by tarIn.getNextEntry().
/// </param>
void ExtractEntry(string destDir, TarEntry entry)
{
if (this.verbose) {
OnProgressMessageEvent(entry, null);
}
string name = entry.Name;
if (Path.IsPathRooted(name) == true) {
// NOTE:
// for UNC names... \\machine\share\zoom\beet.txt gives \zoom\beet.txt
name = name.Substring(Path.GetPathRoot(name).Length);
}
name = name.Replace('/', Path.DirectorySeparatorChar);
string destFile = Path.Combine(destDir, name);
if (entry.IsDirectory) {
EnsureDirectoryExists(destFile);
} else {
string parentDirectory = Path.GetDirectoryName(destFile);
EnsureDirectoryExists(parentDirectory);
bool process = true;
FileInfo fileInfo = new FileInfo(destFile);
if (fileInfo.Exists) {
if (this.keepOldFiles) {
OnProgressMessageEvent(entry, "Destination file already exists");
process = false;
} else if ((fileInfo.Attributes & FileAttributes.ReadOnly) != 0) {
OnProgressMessageEvent(entry, "Destination file already exists, and is read-only");
process = false;
}
}
if (process) {
bool asciiTrans = false;
// TODO file may exist and be read-only at this point!
Stream outputStream = File.Create(destFile);
if (this.asciiTranslate) {
asciiTrans = !IsBinary(destFile);
// TODO do we need this stuff below?
// original java sourcecode :
// MimeType mime = null;
// string contentType = null;
// try {
// contentType = FileTypeMap.getDefaultFileTypeMap().getContentType( destFile );
//
// mime = new MimeType(contentType);
//
// if (mime.getPrimaryType().equalsIgnoreCase( "text" )) {
// asciiTrans = true;
// } else if ( this.transTyper != null ) {
// if ( this.transTyper.isAsciiFile( entry.getName() ) ) {
// asciiTrans = true;
// }
// }
// } catch (MimeTypeParseException ex) {
// }
//
// if (this.debug) {
// Console.Error.WriteLine(("EXTRACT TRANS? '" + asciiTrans + "' ContentType='" + contentType + "' PrimaryType='" + mime.getPrimaryType() + "'" );
// }
}
StreamWriter outw = null;
if (asciiTrans) {
outw = new StreamWriter(outputStream);
}
byte[] rdbuf = new byte[32 * 1024];
while (true) {
int numRead = this.tarIn.Read(rdbuf, 0, rdbuf.Length);
if (numRead <= 0) {
break;
}
if (asciiTrans) {
for (int off = 0, b = 0; b < numRead; ++b) {
if (rdbuf[b] == 10) {
string s = Encoding.ASCII.GetString(rdbuf, off, (b - off));
outw.WriteLine(s);
off = b + 1;
}
}
} else {
outputStream.Write(rdbuf, 0, numRead);
}
}
if (asciiTrans) {
outw.Close();
} else {
outputStream.Close();
}
}
}
}
/// <summary>
/// Determine if the given entry is a descendant of this entry.
/// Descendancy is determined by the name of the descendant
/// starting with this entry's name.
/// </summary>
/// <param name = "desc">
/// Entry to be checked as a descendent of this.
/// </param>
/// <returns>
/// True if entry is a descendant of this.
/// </returns>
public bool IsDescendent(TarEntry desc)
{
return desc.header.name.ToString().StartsWith(this.header.name.ToString());
}
/// <summary>
/// Construct an entry for a file. File is set to file, and the
/// header is constructed from information from the file.
/// </summary>
/// <param name = "fileName">The file name that the entry represents.</param>
/// <returns>Returns the newly created <see cref="TarEntry"/></returns>
public static TarEntry CreateEntryFromFile(string fileName)
{
var entry = new TarEntry();
entry.GetFileTarHeader(entry.header, fileName);
return entry;
}
/// <summary>
/// Put an entry on the output stream. This writes the entry's
/// header and positions the output stream for writing
/// the contents of the entry. Once this method is called, the
/// stream is ready for calls to write() to write the entry's
/// contents. Once the contents are written, closeEntry()
/// <B>MUST</B> be called to ensure that all buffered data
/// is completely written to the output stream.
/// </summary>
/// <param name="entry">
/// The TarEntry to be written to the archive.
/// </param>
public void PutNextEntry(TarEntry entry)
{
if ( entry == null ) {
throw new ArgumentNullException("entry");
}
if (entry.TarHeader.Name.Length >= TarHeader.NAMELEN) {
TarHeader longHeader = new TarHeader();
longHeader.TypeFlag = TarHeader.LF_GNU_LONGNAME;
longHeader.Name = longHeader.Name + "././@LongLink";
longHeader.UserId = 0;
longHeader.GroupId = 0;
longHeader.GroupName = "";
longHeader.UserName = "";
longHeader.LinkName = "";
longHeader.Size = entry.TarHeader.Name.Length;
longHeader.WriteHeader(blockBuffer);
buffer.WriteBlock(blockBuffer); // Add special long filename header block
int nameCharIndex = 0;
while (nameCharIndex < entry.TarHeader.Name.Length) {
Array.Clear(blockBuffer, 0, blockBuffer.Length);
TarHeader.GetAsciiBytes(entry.TarHeader.Name, nameCharIndex, this.blockBuffer, 0, TarBuffer.BlockSize);
nameCharIndex += TarBuffer.BlockSize;
buffer.WriteBlock(blockBuffer);
}
}
entry.WriteEntryHeader(blockBuffer);
buffer.WriteBlock(blockBuffer);
currBytes = 0;
currSize = entry.IsDirectory ? 0 : entry.Size;
}
/// <summary>
/// Put an entry on the output stream. This writes the entry's
/// header and positions the output stream for writing
/// the contents of the entry. Once this method is called, the
/// stream is ready for calls to write() to write the entry's
/// contents. Once the contents are written, closeEntry()
/// <B>MUST</B> be called to ensure that all buffered data
/// is completely written to the output stream.
/// </summary>
/// <param name="entry">
/// The TarEntry to be written to the archive.
/// </param>
public void PutNextEntry(TarEntry entry)
{
if (entry.TarHeader.name.Length > TarHeader.NAMELEN)
{
TarHeader longHeader = new TarHeader();
longHeader.typeFlag = TarHeader.LF_GNU_LONGNAME;
longHeader.name.Append("././@LongLink");
longHeader.userId = 0;
longHeader.groupId = 0;
longHeader.groupName.Length = 0;
longHeader.userName.Length = 0;
longHeader.linkName.Length = 0;
longHeader.size = entry.TarHeader.name.Length;
Console.WriteLine("TarOutputStream: PutNext entry Long name found size = " + longHeader.size); // DEBUG
longHeader.WriteHeader(this.blockBuf);
this.buffer.WriteBlock(this.blockBuf); // Add special long filename header block
int nameCharIndex = 0;
while (nameCharIndex < entry.TarHeader.name.Length)
{
TarHeader.GetNameBytes(entry.TarHeader.name, nameCharIndex, this.blockBuf, 0, TarBuffer.BlockSize);
nameCharIndex += TarBuffer.BlockSize;
this.buffer.WriteBlock(this.blockBuf);
}
}
entry.WriteEntryHeader(this.blockBuf);
this.buffer.WriteBlock(this.blockBuf);
this.currBytes = 0;
this.currSize = entry.IsDirectory ? 0 : (int)entry.Size;
}
/// <summary>
/// Get the next entry in this tar archive. This will skip
/// over any remaining data in the current entry, if there
/// is one, and place the input stream at the header of the
/// next entry, and read the header and instantiate a new
/// TarEntry from the header bytes and return that entry.
/// If there are no more entries in the archive, null will
/// be returned to indicate that the end of the archive has
/// been reached.
/// </summary>
/// <returns>
/// The next TarEntry in the archive, or null.
/// </returns>
public TarEntry GetNextEntry()
{
if (hasHitEOF) {
return null;
}
if (currentEntry != null) {
SkipToNextEntry();
}
byte[] headerBuf = tarBuffer.ReadBlock();
if (headerBuf == null) {
hasHitEOF = true;
} else
hasHitEOF |= TarBuffer.IsEndOfArchiveBlock(headerBuf);
if (hasHitEOF) {
currentEntry = null;
} else {
try {
var header = new TarHeader();
header.ParseBuffer(headerBuf);
if (!header.IsChecksumValid) {
throw new TarException("Header checksum is invalid");
}
this.entryOffset = 0;
this.entrySize = header.Size;
StringBuilder longName = null;
if (header.TypeFlag == TarHeader.LF_GNU_LONGNAME) {
byte[] nameBuffer = new byte[TarBuffer.BlockSize];
long numToRead = this.entrySize;
longName = new StringBuilder();
while (numToRead > 0) {
int numRead = this.Read(nameBuffer, 0, (numToRead > nameBuffer.Length ? nameBuffer.Length : (int)numToRead));
if (numRead == -1) {
throw new InvalidHeaderException("Failed to read long name entry");
}
longName.Append(TarHeader.ParseName(nameBuffer, 0, numRead).ToString());
numToRead -= numRead;
}
SkipToNextEntry();
headerBuf = this.tarBuffer.ReadBlock();
} else if (header.TypeFlag == TarHeader.LF_GHDR) { // POSIX global extended header
// Ignore things we dont understand completely for now
SkipToNextEntry();
headerBuf = this.tarBuffer.ReadBlock();
} else if (header.TypeFlag == TarHeader.LF_XHDR) { // POSIX extended header
// Ignore things we dont understand completely for now
SkipToNextEntry();
headerBuf = this.tarBuffer.ReadBlock();
} else if (header.TypeFlag == TarHeader.LF_GNU_VOLHDR) {
// TODO: could show volume name when verbose
SkipToNextEntry();
headerBuf = this.tarBuffer.ReadBlock();
} else if (header.TypeFlag != TarHeader.LF_NORMAL &&
header.TypeFlag != TarHeader.LF_OLDNORM &&
header.TypeFlag != TarHeader.LF_LINK &&
header.TypeFlag != TarHeader.LF_SYMLINK &&
header.TypeFlag != TarHeader.LF_DIR) {
// Ignore things we dont understand completely for now
SkipToNextEntry();
headerBuf = tarBuffer.ReadBlock();
}
if (entryFactory == null) {
currentEntry = new TarEntry(headerBuf);
if (longName != null) {
currentEntry.Name = longName.ToString();
}
} else {
currentEntry = entryFactory.CreateEntry(headerBuf);
}
// Magic was checked here for 'ustar' but there are multiple valid possibilities
// so this is not done anymore.
entryOffset = 0;
// TODO: Review How do we resolve this discrepancy?!
entrySize = this.currentEntry.Size;
} catch (InvalidHeaderException ex) {
entrySize = 0;
entryOffset = 0;
currentEntry = null;
string errorText = string.Format("Bad header in record {0} block {1} {2}",
tarBuffer.CurrentRecord, tarBuffer.CurrentBlock, ex.Message);
throw new InvalidHeaderException(errorText);
}
}
return currentEntry;
}
/// <summary>
/// Write an entry to the archive. This method will call the putNextEntry
/// and then write the contents of the entry, and finally call closeEntry()
/// for entries that are files. For directories, it will call putNextEntry(),
/// and then, if the recurse flag is true, process each entry that is a
/// child of the directory.
/// </summary>
/// <param name="sourceEntry">
/// The TarEntry representing the entry to write to the archive.
/// </param>
/// <param name="recurse">
/// If true, process the children of directory entries.
/// </param>
void WriteEntryCore(TarEntry sourceEntry, bool recurse)
{
string tempFileName = null;
string entryFilename = sourceEntry.File;
TarEntry entry = (TarEntry)sourceEntry.Clone();
if ( applyUserInfoOverrides ) {
entry.GroupId = groupId;
entry.GroupName = groupName;
entry.UserId = userId;
entry.UserName = userName;
}
OnProgressMessageEvent(entry, null);
if (asciiTranslate && !entry.IsDirectory) {
if (!IsBinary(entryFilename)) {
tempFileName = Path.GetTempFileName();
using (StreamReader inStream = File.OpenText(entryFilename)) {
using (Stream outStream = File.Create(tempFileName)) {
while (true) {
string line = inStream.ReadLine();
if (line == null) {
break;
}
byte[] data = Encoding.ASCII.GetBytes(line);
outStream.Write(data, 0, data.Length);
outStream.WriteByte((byte)'\n');
}
outStream.Flush();
}
}
entry.Size = new FileInfo(tempFileName).Length;
entryFilename = tempFileName;
}
}
string newName = null;
if (rootPath != null) {
if (entry.Name.StartsWith(rootPath, StringComparison.OrdinalIgnoreCase)) {
newName = entry.Name.Substring(rootPath.Length + 1 );
}
}
if (pathPrefix != null) {
newName = (newName == null) ? pathPrefix + "/" + entry.Name : pathPrefix + "/" + newName;
}
if (newName != null) {
entry.Name = newName;
}
tarOut.PutNextEntry(entry);
if (entry.IsDirectory) {
if (recurse) {
TarEntry[] list = entry.GetDirectoryEntries();
for (int i = 0; i < list.Length; ++i) {
WriteEntryCore(list[i], recurse);
}
}
}
else {
using (Stream inputStream = File.OpenRead(entryFilename)) {
byte[] localBuffer = new byte[32 * 1024];
while (true) {
int numRead = inputStream.Read(localBuffer, 0, localBuffer.Length);
if (numRead <=0) {
break;
}
tarOut.Write(localBuffer, 0, numRead);
}
}
if ( (tempFileName != null) && (tempFileName.Length > 0) ) {
File.Delete(tempFileName);
}
tarOut.CloseEntry();
}
}
void EntryCounter(TarArchive archive, TarEntry entry, string message)
{
entryCount++;
}
/// <summary>
/// Construct an entry with only a <paramref name="name">name</paramref>.
/// This allows the programmer to construct the entry's header "by hand".
/// </summary>
/// <param name="name">The name to use for the entry</param>
/// <returns>Returns the newly created <see cref="TarEntry"/></returns>
public static TarEntry CreateTarEntry(string name)
{
TarEntry entry = new TarEntry();
TarEntry.NameTarHeader(entry.header, name);
return entry;
}
public void CloningAndUniqueness()
{
// Partial test of cloning for TarHeader and TarEntry
TarEntry e = TarEntry.CreateTarEntry("ohsogood");
e.GroupId = 47;
e.GroupName = "GroupName";
e.ModTime = DateTime.Now;
e.Size = 123234;
TarHeader headerE = e.TarHeader;
headerE.DevMajor = 99;
headerE.DevMinor = 98;
headerE.LinkName = "LanceLink";
TarEntry d = (TarEntry)e.Clone();
Assert.AreEqual(d.File, e.File);
Assert.AreEqual(d.GroupId, e.GroupId);
Assert.AreEqual(d.GroupName, e.GroupName);
Assert.AreEqual(d.IsDirectory, e.IsDirectory);
Assert.AreEqual(d.ModTime, e.ModTime);
Assert.AreEqual(d.Size, e.Size);
TarHeader headerD = d.TarHeader;
Assert.AreEqual(headerE.Checksum, headerD.Checksum);
Assert.AreEqual(headerE.LinkName, headerD.LinkName);
Assert.AreEqual(99, headerD.DevMajor);
Assert.AreEqual(98, headerD.DevMinor);
Assert.AreEqual("LanceLink", headerD.LinkName);
TarEntry entryf = new TarEntry(headerD);
headerD.LinkName = "Something different";
Assert.AreNotEqual(headerD.LinkName, entryf.TarHeader.LinkName, "Entry headers should be unique");
}
/// <inheritdoc/>
protected override void HandleFile(FileInfo file, bool executable = false)
{
#region Sanity checks
if (file == null) throw new ArgumentNullException(nameof(file));
#endregion
var entry = new TarEntry(new TarHeader
{
Name = file.RelativeTo(SourceDirectory),
ModTime = file.LastWriteTimeUtc,
Mode = (executable ? TarExtractor.DefaultMode | TarExtractor.ExecuteMode : TarExtractor.DefaultMode)
});
var hardlinkTarget = _previousFiles.FirstOrDefault(previousFile => FileUtils.AreHardlinked(previousFile.FullName, file.FullName));
if (hardlinkTarget != null)
{
entry.TarHeader.TypeFlag = TarHeader.LF_LINK;
entry.TarHeader.LinkName = hardlinkTarget.RelativeTo(SourceDirectory);
_tarStream.PutNextEntry(entry);
}
else
{
_previousFiles.Add(file);
entry.Size = file.Length;
_tarStream.PutNextEntry(entry);
using (var stream = file.OpenRead())
stream.CopyToEx(_tarStream);
}
_tarStream.CloseEntry();
}
public override bool HasNext()
{
tarEntry = tarStream.GetNextEntry();
if (tarEntry == null)
return false;
return true;
}
protected abstract void PostCreate(TarEntry entry);
