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//
// Copyright (c) Microsoft. All rights reserved.
// Licensed under the MIT license. See LICENSE file in the project root for full license information.
//
#ifndef SECURITYUTIL_H
#define SECURITYUTIL_H
#include "winnt.h"
// Security utility class. This is currently used by the debugger right-side and dbgshim to figure out the
// SECURITY_ATTRIBUTES to use on various IPC objects (named events, etc.).
// This is pretty debugger specific, and so perhaps doesn't actually belong in utilcode (that's just the most
// convenient way to share it between mscordbi and dbgshim.dll). This is also a pretty big mess. All of
// this ACL craziness is already gone in Arrowhead, so it's not a high priority to clean this up.
class SecurityUtil
{
public:
//
// This will generate ACL containing the current process and
// an allowed ACE on the target process of the given pid.
//
// Host should free returned *ppACL by calling FreeACL
//
static HRESULT GetACLOfPid(DWORD pid, PACL *ppACL);
static void FreeACL(PACL pACL);
static HRESULT GetMandatoryLabelFromProcess(HANDLE hProcess, LPBYTE * ppbLabel);
static DWORD * GetIntegrityLevelFromMandatorySID(PSID psidIntegrityLevelLabel);
// instance functions. SecurityUtil is used to minimized memory allocation when converting
// pACL to SECURITY_ATTRIBUTES
// The needed memory to hold SECURITY_ATTRIBUTES and SECURITY_DESCRIPTOR are embedded
// in the SecurityUtil instance.
//
SecurityUtil(PACL pACL);
~SecurityUtil();
HRESULT Init();
HRESULT Init(HANDLE pid);
HRESULT GetSA(SECURITY_ATTRIBUTES **PPSA);
private:
HRESULT SetSecurityDescriptorMandatoryLabel(PSID psidIntegrityLevelLabel);
SECURITY_ATTRIBUTES m_SA;
SECURITY_DESCRIPTOR m_SD;
PACL m_pACL;
// Saved by SetSecurityDescriptorMandatoryLabel so that the memory can be deleted properly
PACL m_pSacl;
bool m_fInitialized;
};
#endif // !SECURITYUTIL_H
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