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Implement getxattr for ISO9660.

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This commit is contained in:
Natalia Portillo
2019-07-22 01:36:27 +01:00
parent 9bff9e85b4
commit 50971115a5
1 changed files with 35 additions and 5 deletions
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40
DiscImageChef.Filesystems/ISO9660/Xattr.cs
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@@ -16,14 +16,44 @@ namespace DiscImageChef.Filesystems.ISO9660
xattrs = new List<string>();
if(entry.AssociatedFile != null)
{
xattrs.Add("org.iso.9660.ea");
}
if(entry.AssociatedFile != null) xattrs.Add("org.iso.9660.ea");
return Errno.NoError;
}
public Errno GetXattr(string path, string xattr, ref byte[] buf) => throw new NotImplementedException();
public Errno GetXattr(string path, string xattr, ref byte[] buf)
{
buf = null;
if(!mounted) return Errno.AccessDenied;
Errno err = GetFileEntry(path, out DecodedDirectoryEntry entry);
if(err != Errno.NoError) return err;
switch(xattr)
{
case "org.iso.9660.ea":
if(entry.AssociatedFile is null) return Errno.NoSuchExtendedAttribute;
if(entry.AssociatedFile.Extent == 0) return Errno.InvalidArgument;
if(entry.AssociatedFile.Size == 0)
{
buf = new byte[0];
return Errno.NoError;
}
// TODO: XA
uint eaSizeInSectors = entry.AssociatedFile.Size / 2048;
if(entry.AssociatedFile.Size % 2048 > 0) eaSizeInSectors++;
byte[] ea = image.ReadSectors(entry.AssociatedFile.Extent, eaSizeInSectors);
buf = new byte[entry.AssociatedFile.Size];
Array.Copy(ea, 0, buf, 0, buf.LongLength);
return Errno.NoError;
default: return Errno.NoSuchExtendedAttribute;
}
}
}
}