windows-nt/Source/XPSP1/NT/shell/osshell/security/aclui/permset.h

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2020-09-26 03:20:57 -05:00
//+-------------------------------------------------------------------------
//
// Microsoft Windows
//
// Copyright (C) Microsoft Corporation, 1996 - 1999
//
// File: permset.h
//
// This file contains the definition of the CPermissionSet class
//
//--------------------------------------------------------------------------
#ifndef _PERMSET_H_
#define _PERMSET_H_
typedef struct _PERMISSION
{
ACCESS_MASK mask; // permission bits
DWORD dwFlags; // AceFlags (e.g. inheritance bits)
GUID guid; // often GUID_NULL
} PERMISSION, *PPERMISSION;
class CPermissionSet
{
private:
HDSA m_hPermList; // Dynamic array of PERMISSION structures
HDPA m_hAdvPermList; // Dynamic array of ACE pointers
BOOL m_fObjectAcesPresent;
public:
CPermissionSet() : m_hPermList(NULL), m_hAdvPermList(NULL), m_fObjectAcesPresent(FALSE) {}
~CPermissionSet() { Reset(); }
void Reset();
void ResetAdvanced();
BOOL AddAce(const GUID *pguid, ACCESS_MASK mask, DWORD dwFlags);
BOOL AddPermission(PPERMISSION pPerm);
BOOL AddAdvancedAce(PACE_HEADER pAce);
UINT GetPermCount(BOOL fIncludeAdvAces = FALSE) const;
PPERMISSION GetPermission(UINT i) const { if (m_hPermList) return (PPERMISSION)DSA_GetItemPtr(m_hPermList, i); return NULL; }
PPERMISSION operator[](UINT i) const { return GetPermission(i); }
ULONG GetAclLength(ULONG cbSid) const;
BOOL AppendToAcl(PACL pAcl, PACE_HEADER *ppAcePos, PSID pSid, BOOL fAllowAce, DWORD dwFlags) const;
void ConvertInheritedAces(CPermissionSet &permInherited);
void RemovePermission(PPERMISSION pPerm, BOOL bInheritFlag = FALSE);
};
// Flags for AppendToAcl
#define PS_NONOBJECT 0x00000001L
#define PS_OBJECT 0x00000002L
#endif // _PERMSET_H_