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Support xattrs from Apple extensions to ISO9660.

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This commit is contained in:
Natalia Portillo
2019-07-28 05:21:11 +01:00
parent 0c2d50717e
commit 6b089eef3a
1 changed files with 65 additions and 1 deletions
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64
DiscImageChef.Filesystems/ISO9660/Xattr.cs
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@@ -17,6 +17,11 @@ namespace DiscImageChef.Filesystems.ISO9660
xattrs = new List<string>();
if(entry.AssociatedFile != null) xattrs.Add("org.iso.9660.ea");
if(entry.AppleDosType != null) xattrs.Add("com.apple.dos.type");
if(entry.AppleProDosType != null) xattrs.Add("com.apple.prodos.type");
if(entry.ResourceFork != null) xattrs.Add("com.apple.ResourceFork");
if(entry.FinderInfo != null) xattrs.Add("com.apple.FinderInfo");
if(entry.AppleIcon != null) xattrs.Add("com.apple.Macintosh.Icon");
return Errno.NoError;
}
@@ -51,6 +56,65 @@ namespace DiscImageChef.Filesystems.ISO9660
buf = new byte[entry.AssociatedFile.Size];
Array.Copy(ea, 0, buf, 0, buf.LongLength);
return Errno.NoError;
case "com.apple.dos.type":
if(entry.AppleDosType is null) return Errno.NoSuchExtendedAttribute;
buf = new byte[1];
buf[0] = entry.AppleDosType.Value;
return Errno.NoError;
case "com.apple.prodos.type":
if(entry.AppleProDosType is null) return Errno.NoSuchExtendedAttribute;
buf = BitConverter.GetBytes(entry.AppleProDosType.Value);
return Errno.NoError;
case "com.apple.ResourceFork":
if(entry.ResourceFork is null) return Errno.NoSuchExtendedAttribute;
if(entry.ResourceFork.Extent == 0) return Errno.InvalidArgument;
if(entry.ResourceFork.Size == 0)
{
buf = new byte[0];
return Errno.NoError;
}
// TODO: XA
uint rsrcSizeInSectors = entry.ResourceFork.Size / 2048;
if(entry.ResourceFork.Size % 2048 > 0) rsrcSizeInSectors++;
byte[] rsrc = image.ReadSectors(entry.ResourceFork.Extent, rsrcSizeInSectors);
buf = new byte[entry.ResourceFork.Size];
Array.Copy(rsrc, 0, buf, 0, buf.LongLength);
return Errno.NoError;
case "com.apple.FinderInfo":
if(entry.FinderInfo is null) return Errno.NoSuchExtendedAttribute;
buf = new byte[16];
byte[] tmp = BigEndianBitConverter.GetBytes(entry.FinderInfo.fdType);
Array.Copy(tmp, 0, buf, 0, tmp.Length);
tmp = BigEndianBitConverter.GetBytes(entry.FinderInfo.fdCreator);
Array.Copy(tmp, 0, buf, 4, tmp.Length);
tmp = BigEndianBitConverter.GetBytes((ushort)entry.FinderInfo.fdFlags);
Array.Copy(tmp, 0, buf, 8, tmp.Length);
tmp = BigEndianBitConverter.GetBytes(entry.FinderInfo.fdLocation.x);
Array.Copy(tmp, 0, buf, 10, tmp.Length);
tmp = BigEndianBitConverter.GetBytes(entry.FinderInfo.fdLocation.y);
Array.Copy(tmp, 0, buf, 12, tmp.Length);
tmp = BigEndianBitConverter.GetBytes(entry.FinderInfo.fdFldr);
Array.Copy(tmp, 0, buf, 14, tmp.Length);
return Errno.NoError;
case "com.apple.Macintosh.Icon":
if(entry.AppleIcon is null) return Errno.NoSuchExtendedAttribute;
buf = new byte[entry.AppleIcon.Length];
Array.Copy(entry.AppleIcon, 0, buf, 0, entry.AppleIcon.Length);
return Errno.NoError;
default: return Errno.NoSuchExtendedAttribute;
}