public void WriteTarFileTest()
{
using (Stream original = File.OpenRead(@"IO/test.tar"))
using (Stream expected = File.OpenRead(@"IO/test.tar"))
using (Stream actual = new MemoryStream())
using (Stream output = new ValidatingCompositeStream(null, actual, expected))
{
var tar = new TarFile(original, true);
while (tar.Read())
{
Stream data = new MemoryStream();
if (tar.FileHeader.FileMode == LinuxFileMode.S_IFDIR)
{
tar.Skip();
}
else
{
data = tar.Open();
}
var clonedHeader = this.CloneHeader((TarHeader)tar.FileHeader);
this.AssertCompareClonedHeader((TarHeader)tar.FileHeader, clonedHeader);
using (data)
{
TarFileCreator.WriteEntry(output, this.CloneHeader(clonedHeader), data);
}
}
TarFileCreator.WriteTrailer(output);
}
}
public void WriteTarWithLongFilenameTest()
{
using (Stream expected = File.OpenRead(@"IO/largefilename.tar"))
using (Stream actual = new MemoryStream())
using (Stream output = new ValidatingCompositeStream(null, actual, expected))
{
var directories = new string[]
{
"./",
"./usr/",
"./usr/lib/",
"./usr/lib/mono/",
"./usr/lib/mono/gac/",
"./usr/lib/mono/gac/System.Runtime.InteropServices.RuntimeInformation/",
"./usr/lib/mono/gac/System.Runtime.InteropServices.RuntimeInformation/4.0.0.0__b03f5f7f11d50a3a/",
};
foreach (var directory in directories)
{
TarFileCreator.WriteEntry(
output,
new ArchiveEntry()
{
Mode = LinuxFileMode.S_IXOTH | LinuxFileMode.S_IROTH | LinuxFileMode.S_IXGRP | LinuxFileMode.S_IRGRP | LinuxFileMode.S_IXUSR | LinuxFileMode.S_IWUSR | LinuxFileMode.S_IRUSR | LinuxFileMode.S_IFDIR,
TargetPath = directory,
Group = "root",
Owner = "root",
Modified = new DateTimeOffset(2016, 12, 15, 10, 58, 56, TimeSpan.Zero)
},
null);
}
using (MemoryStream stream = new MemoryStream(Encoding.UTF8.GetBytes("This file has a very long name.")))
{
TarFileCreator.WriteEntry(
output,
new ArchiveEntry()
{
Mode = (LinuxFileMode)0x81FF,
TargetPath = "./usr/lib/mono/gac/System.Runtime.InteropServices.RuntimeInformation/4.0.0.0__b03f5f7f11d50a3a/System.Runtime.InteropServices.RuntimeInformation.txt",
Modified = new DateTimeOffset(2017, 11, 11, 12, 37, 58, TimeSpan.Zero)
},
stream);
}
TarFileCreator.WriteTrailer(output);
}
}
private static void WriteControlEntry(Stream tar, string name, string data = null, LinuxFileMode?fileMode = null)
{
var s = (data != null) ? new MemoryStream(Encoding.UTF8.GetBytes(data)) : new MemoryStream();
var mode = fileMode ?? LinuxFileMode.S_IRUSR | LinuxFileMode.S_IWUSR |
LinuxFileMode.S_IRGRP | LinuxFileMode.S_IROTH;
mode |= data == null
? LinuxFileMode.S_IFDIR | LinuxFileMode.S_IXUSR | LinuxFileMode.S_IXGRP | LinuxFileMode.S_IXOTH
: LinuxFileMode.S_IFREG;
var hdr = new TarHeader
{
FileMode = mode,
FileName = name,
FileSize = (uint)s.Length,
GroupName = "root",
UserName = "******",
LastModified = DateTimeOffset.UtcNow,
Magic = "ustar",
TypeFlag = data == null ? TarTypeFlag.DirType : TarTypeFlag.RegType,
};
TarFileCreator.WriteEntry(tar, hdr, s);
}
