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Remove support for AppExeCLinks to retrieve target #16044

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Merged
rjmholt merged 1 commit into from
Sep 14, 2021
Merged

Remove support for AppExeCLinks to retrieve target #16044

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26 changes: 0 additions & 26 deletions src/System.Management.Automation/namespaces/FileSystemProvider.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -7984,18 +7984,6 @@ private struct REPARSE_DATA_BUFFER_MOUNTPOINT
public byte[] PathBuffer;
}

[StructLayout(LayoutKind.Sequential)]
private struct REPARSE_DATA_BUFFER_APPEXECLINK
{
public uint ReparseTag;
public ushort ReparseDataLength;
public ushort Reserved;
public uint StringCount;

[MarshalAs(UnmanagedType.ByValArray, SizeConst = 0x3FF0)]
public byte[] StringList;
}

[StructLayout(LayoutKind.Sequential)]
private struct BY_HANDLE_FILE_INFORMATION
{
Expand Down Expand Up @@ -8224,10 +8212,6 @@ private static string WinInternalGetLinkType(string filePath)
linkType = "Junction";
break;

case IO_REPARSE_TAG_APPEXECLINK:
linkType = "AppExeCLink";
break;

default:
linkType = null;
break;
Expand Down Expand Up @@ -8506,16 +8490,6 @@ private static string WinInternalGetTarget(SafeFileHandle handle)
targetDir = Encoding.Unicode.GetString(reparseMountPointDataBuffer.PathBuffer, reparseMountPointDataBuffer.SubstituteNameOffset, reparseMountPointDataBuffer.SubstituteNameLength);
break;

case IO_REPARSE_TAG_APPEXECLINK:
REPARSE_DATA_BUFFER_APPEXECLINK reparseAppExeDataBuffer = Marshal.PtrToStructure<REPARSE_DATA_BUFFER_APPEXECLINK>(outBuffer);
// The target file is at index 2
if (reparseAppExeDataBuffer.StringCount >= 3)
{
string temp = Encoding.Unicode.GetString(reparseAppExeDataBuffer.StringList);
targetDir = temp.Split('\0')[2];
}
break;

default:
return null;
}
Expand Down