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Decode "SL" system area.

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This commit is contained in:
Natalia Portillo
2019-07-28 21:33:05 +01:00
parent 5087044f32
commit a47d8e13f0
4 changed files with 64 additions and 9 deletions
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48
DiscImageChef.Filesystems/ISO9660/Dir.cs
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@@ -248,6 +248,8 @@ namespace DiscImageChef.Filesystems.ISO9660
{
int systemAreaOff = start;
hasResourceFork = false;
bool continueSymlink = false;
bool continueSymlinkComponent = false;
while(systemAreaOff + 2 <= end)
{
@@ -459,10 +461,52 @@ namespace DiscImageChef.Filesystems.ISO9660
systemAreaOff += pnLength;
break;
case RRIP_SYMLINK:
// TODO
byte slLength = data[systemAreaOff + 2];
systemAreaOff += slLength;
SymbolicLink sl =
Marshal.ByteArrayToStructureLittleEndian<SymbolicLink>(data, systemAreaOff,
Marshal.SizeOf<SymbolicLink>());
SymbolicLinkComponent slc =
Marshal.ByteArrayToStructureLittleEndian<SymbolicLinkComponent>(data,
systemAreaOff +
Marshal
.SizeOf<SymbolicLink>(),
Marshal
.SizeOf<
SymbolicLinkComponent
>());
if(!continueSymlink || entry.SymbolicLink is null) entry.SymbolicLink = "";
if(slc.flags.HasFlag(SymlinkComponentFlags.Root)) entry.SymbolicLink = "/";
if(slc.flags.HasFlag(SymlinkComponentFlags.Current)) entry.SymbolicLink += ".";
if(slc.flags.HasFlag(SymlinkComponentFlags.Parent)) entry.SymbolicLink += "..";
if(!continueSymlinkComponent && !slc.flags.HasFlag(SymlinkComponentFlags.Root))
entry.SymbolicLink += "/";
entry.SymbolicLink += slc.flags.HasFlag(SymlinkComponentFlags.Networkname)
? Environment.MachineName
: joliet
? Encoding.BigEndianUnicode.GetString(data,
systemAreaOff +
Marshal
.SizeOf<SymbolicLink>() +
Marshal
.SizeOf<
SymbolicLinkComponent
>(), slc.length)
: Encoding.GetString(data,
systemAreaOff +
Marshal.SizeOf<SymbolicLink>() +
Marshal.SizeOf<SymbolicLinkComponent>(),
slc.length);
continueSymlink = entry.Flags.HasFlag(SymlinkFlags.Continue);
continueSymlinkComponent = entry.Flags.HasFlag(SymlinkComponentFlags.Continue);
systemAreaOff += slLength;
break;
case RRIP_NAME:
byte nmLength = data[systemAreaOff + 2];