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dll: POSIX interop: FspPosixMapPermissionsToSecurityDescriptor

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Bill Zissimopoulos
2016-06-06 00:33:26 -07:00
parent 1432d711d8
commit 3286033191
1 changed files with 12 additions and 1 deletions
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13
src/dll/posix.c
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@ -364,7 +364,18 @@ FSP_API VOID FspDeleteSid(PSID Sid, NTSTATUS (*CreateFunc)())
static inline ACCESS_MASK FspPosixMapPermissionToAccessMask(UINT32 Mode, UINT32 Perm)
{
/* if only directory bit is set out of directory/sticky bit then DeleteChild */
/*
* We use only the 0040000 (directory) and 0001000 (sticky) bits from Mode.
* If this is a directory and it does not have the sticky bit set (and the
* write permission is enabled) we add FILE_DELETE_CHILD access.
*
* When calling this function for computing the Owner access mask, we always
* pass Mode & ~0001000 to remove the sticky bit and thus add FILE_DELETE_CHILD
* access if it is a directory. For Group and World permissions we do not
* remove the sticky bit as we do not want FILE_DELETE_CHILD access in these
* cases.
*/
ACCESS_MASK DeleteChild = 0040000 == (Mode & 0041000) ? FILE_DELETE_CHILD : 0;
return