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sys: disallow creating a ReadOnly and DeleteOnClose file

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This commit is contained in:
Bill Zissimopoulos 2016-12-18 21:50:11 -08:00
parent 33e8b5df04
commit 3adcf70748
1 changed files with 7 additions and 3 deletions
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10
src/dll/fsop.c
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@ -189,9 +189,13 @@ NTSTATUS FspFileSystemCreateCheck(FSP_FILE_SYSTEM *FileSystem,
ParentDesiredAccess = FILE_ADD_SUBDIRECTORY;
else
ParentDesiredAccess = FILE_ADD_FILE;
Result = FspAccessCheckEx(FileSystem, Request, TRUE, AllowTraverseCheck,
ParentDesiredAccess,
&GrantedAccess, PSecurityDescriptor);
if ((Request->Req.Create.FileAttributes & FILE_ATTRIBUTE_READONLY) &&
(Request->Req.Create.CreateOptions & FILE_DELETE_ON_CLOSE))
Result = STATUS_CANNOT_DELETE;
else
Result = FspAccessCheckEx(FileSystem, Request, TRUE, AllowTraverseCheck,
ParentDesiredAccess,
&GrantedAccess, PSecurityDescriptor);
if (STATUS_REPARSE == Result)
Result = FspFileSystemCallResolveReparsePoints(FileSystem, Request, Response, GrantedAccess);
else if (NT_SUCCESS(Result))