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Merge branch 'release/1.4': fix #190

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This commit is contained in:
Bill Zissimopoulos
2018-11-06 10:12:45 -08:00
parent 74df26a28d 17d687fe7e
commit fcd3aff811
3 changed files with 78 additions and 16 deletions
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25
src/dll/security.c
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@ -341,26 +341,25 @@ FSP_API NTSTATUS FspAccessCheckEx(FSP_FILE_SYSTEM *FileSystem,
if (Request->Req.Create.UserMode)
{
if (0 != (FileAttributes & FILE_ATTRIBUTE_READONLY))
if (FILE_ATTRIBUTE_READONLY == (FileAttributes & (FILE_ATTRIBUTE_READONLY | FILE_ATTRIBUTE_DIRECTORY)) &&
(DesiredAccess & (FILE_WRITE_DATA | FILE_APPEND_DATA | FILE_ADD_SUBDIRECTORY | FILE_DELETE_CHILD)))
{
if (DesiredAccess &
(FILE_WRITE_DATA | FILE_APPEND_DATA | FILE_ADD_SUBDIRECTORY | FILE_DELETE_CHILD))
{
Result = STATUS_ACCESS_DENIED;
goto exit;
}
if (Request->Req.Create.CreateOptions & FILE_DELETE_ON_CLOSE)
{
Result = STATUS_CANNOT_DELETE;
goto exit;
}
Result = STATUS_ACCESS_DENIED;
goto exit;
}
if (FILE_ATTRIBUTE_READONLY == (FileAttributes & FILE_ATTRIBUTE_READONLY) &&
(Request->Req.Create.CreateOptions & FILE_DELETE_ON_CLOSE))
{
Result = STATUS_CANNOT_DELETE;
goto exit;
}
if (0 == SecurityDescriptorSize)
*PGrantedAccess = (MAXIMUM_ALLOWED & DesiredAccess) ?
FspFileGenericMapping.GenericAll : DesiredAccess;
if (0 != (FileAttributes & FILE_ATTRIBUTE_READONLY) &&
if (FILE_ATTRIBUTE_READONLY == (FileAttributes & (FILE_ATTRIBUTE_READONLY | FILE_ATTRIBUTE_DIRECTORY)) &&
0 != (MAXIMUM_ALLOWED & DesiredAccess))
*PGrantedAccess &= ~(FILE_WRITE_DATA | FILE_APPEND_DATA |
FILE_ADD_SUBDIRECTORY | FILE_DELETE_CHILD);