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466 lines
11 KiB
466 lines
11 KiB
/*++
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Copyright (C) 1997-2001 Microsoft Corporation
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Module Name:
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WINNTSEC.H
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Abstract:
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Generic wrapper classes for NT security objects.
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Documention on class members is in WINNTSEC.CPP. Inline members
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are commented in this file.
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History:
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raymcc 08-Jul-97 Created.
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--*/
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#ifndef _WINNTSEC_H_
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#define _WINNTSEC_H_
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class POLARITY CNtSecurity;
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// All ACE types are currently have the same binary layout. Rather
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// than doing a lot of useless casts, we produce a general-purpose
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// typedef to hold all ACEs.
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// ================================================================
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typedef ACCESS_ALLOWED_ACE GENERIC_ACE;
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typedef GENERIC_ACE *PGENERIC_ACE;
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#define FULL_CONTROL \
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(DELETE | \
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READ_CONTROL | \
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WRITE_DAC | \
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WRITE_OWNER | \
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SYNCHRONIZE | GENERIC_ALL)
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//***************************************************************************
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//
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// CNtSid
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//
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// Models SIDs (users/groups).
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//
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//***************************************************************************
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class POLARITY CNtSid
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{
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PSID m_pSid;
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LPWSTR m_pMachine;
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LPWSTR m_pDomain;
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DWORD m_dwStatus;
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SID_NAME_USE m_snu;
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public:
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enum { NoError, Failed, NullSid, InvalidSid, InternalError, AccessDenied = 0x5 };
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enum SidType {CURRENT_USER, CURRENT_THREAD};
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CNtSid(SidType st);
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CNtSid() { m_pSid = 0; m_pMachine = 0; m_dwStatus = NullSid; }
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bool IsUser(){return m_snu == SidTypeUser;};
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CNtSid(PSID pSrc);
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// Construct based on another SID.
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CNtSid(LPWSTR pUser, LPWSTR pMachine = 0);
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// Construct based on a user (machine name is optional).
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~CNtSid();
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CNtSid(CNtSid &Src);
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CNtSid &operator =(CNtSid &Src);
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int operator ==(CNtSid &Comparand);
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DWORD GetStatus() { return m_dwStatus; }
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// Returns one of the enumerated types.
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PSID GetPtr() { return m_pSid; }
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// Returns the internal SID ptr to interface with NT APIs
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DWORD GetSize();
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BOOL CopyTo(PSID pDestination);
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BOOL IsValid() { return (m_pSid && IsValidSid(m_pSid)); }
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// Checks the validity of the internal SID.
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void Dump();
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// Dumps SID info to console for debugging.
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int GetInfo(
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LPWSTR *pRetAccount, // Account, use operator delete
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LPWSTR *pRetDomain, // Domain, use operator delete
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DWORD *pdwUse // See SID_NAME_USE for values
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);
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BOOL GetTextSid(LPTSTR pszSidText, LPDWORD dwBufferLen);
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};
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//***************************************************************************
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//
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// CBaseAce
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//
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// Base class for aces.
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//
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//***************************************************************************
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class POLARITY CBaseAce
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{
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public:
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CBaseAce(){};
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virtual ~CBaseAce(){};
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virtual int GetType() = 0;
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virtual int GetFlags() = 0; // inheritance etc.
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virtual ACCESS_MASK GetAccessMask() = 0;
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virtual HRESULT GetFullUserName(WCHAR * pBuff, DWORD dwSize) = 0;
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virtual HRESULT GetFullUserName2(WCHAR ** pBuff) = 0; // call must free
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virtual DWORD GetStatus() = 0;
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virtual void SetFlags(long lFlags) =0;
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virtual DWORD GetSerializedSize() = 0;
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virtual bool Serialize(BYTE * pData) = 0;
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virtual bool Deserialize(BYTE * pData) = 0;
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};
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//***************************************************************************
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//
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// CNtAce
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//
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// Models NT ACEs.
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//
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//***************************************************************************
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class POLARITY CNtAce : public CBaseAce
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{
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PGENERIC_ACE m_pAce;
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DWORD m_dwStatus;
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public:
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enum { NoError, InvalidAce, NullAce, InternalError };
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CNtAce() { m_pAce = 0; m_dwStatus = NullAce; }
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CNtAce(PGENERIC_ACE pAceSrc);
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CNtAce(CNtAce &Src);
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CNtAce & operator =(CNtAce &Src);
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~CNtAce();
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CNtAce(
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ACCESS_MASK Mask,
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DWORD AceType,
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DWORD dwAceFlags,
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LPWSTR pUser,
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LPWSTR pMachine = 0 // Defaults to local machine
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);
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CNtAce(
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ACCESS_MASK Mask,
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DWORD AceType,
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DWORD dwAceFlags,
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CNtSid & Sid
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);
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int GetType();
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int GetFlags(); // inheritance etc.
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void SetFlags(long lFlags){m_pAce->Header.AceFlags = (unsigned char)lFlags;};
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DWORD GetStatus() { return m_dwStatus; }
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// Returns one of the enumerated types.
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int GetSubject(
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LPWSTR *pSubject
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);
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ACCESS_MASK GetAccessMask();
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CNtSid *GetSid();
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BOOL GetSid(CNtSid &Dest);
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PGENERIC_ACE GetPtr() { return m_pAce; }
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DWORD GetSize() { return m_pAce ? m_pAce->Header.AceSize : 0; }
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HRESULT GetFullUserName(WCHAR * pBuff, DWORD dwSize);
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HRESULT GetFullUserName2(WCHAR ** pBuff); // call must free
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DWORD GetSerializedSize();
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bool Serialize(BYTE * pData);
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bool Deserialize(BYTE * pData);
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void Dump(int iAceNum = -1);
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void DumpAccessMask();
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};
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//***************************************************************************
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//
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// C9XAce
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//
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// Simulates NT ACEs for 9X boxs.
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//
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//***************************************************************************
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class POLARITY C9XAce : public CBaseAce
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{
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LPWSTR m_wszFullName;
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DWORD m_dwAccess;
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int m_iFlags;
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int m_iType;
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public:
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C9XAce(){m_wszFullName = 0;};
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C9XAce(DWORD Mask,
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DWORD AceType,
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DWORD dwAceFlags,
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LPWSTR pUser);
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~C9XAce();
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int GetType(){return m_iType;};
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int GetFlags(){return m_iFlags;}; // inheritance etc.
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ACCESS_MASK GetAccessMask(){return m_dwAccess;};
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HRESULT GetFullUserName(WCHAR * pBuff, DWORD dwSize);
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HRESULT GetFullUserName2(WCHAR ** pBuff); // call must free
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DWORD GetStatus(){ return CNtAce::NoError; };
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void SetFlags(long lFlags){m_iFlags = (unsigned char)lFlags;};
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DWORD GetSerializedSize();
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bool Serialize(BYTE * pData);
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bool Deserialize(BYTE * pData);
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};
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//***************************************************************************
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//
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// CNtAcl
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//
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// Models an NT ACL.
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//
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//***************************************************************************
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class POLARITY CNtAcl
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{
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PACL m_pAcl;
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DWORD m_dwStatus;
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public:
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enum { NoError, InternalError, NullAcl, InvalidAcl };
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enum { MinimumSize = 1 };
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CNtAcl(DWORD dwInitialSize = 128);
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CNtAcl(CNtAcl &Src);
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CNtAcl & operator = (CNtAcl &Src);
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CNtAcl(PACL pAcl); // Makes a copy
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~CNtAcl();
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int GetNumAces();
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DWORD GetStatus() { return m_dwStatus; }
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// Returns one of the enumerated types.
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BOOL ContainsSid ( CNtSid& sid, BYTE& flags ) ;
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CNtAce *GetAce(int nIndex);
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BOOL GetAce(int nIndex, CNtAce &Dest);
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BOOL DeleteAce(int nIndex);
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BOOL AddAce(CNtAce *pAce);
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BOOL IsValid() { return(m_pAcl && IsValidAcl(m_pAcl)); }
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// Checks the validity of the embedded ACL.
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BOOL Resize(DWORD dwNewSize);
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// Or use CNtAcl::MinimumSize to trim the ACL to min size.
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// Fails if an illegal size is specified.
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DWORD GetSize();
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PACL GetPtr() { return m_pAcl; }
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// Returns the internal pointer for interface with NT APIs.
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BOOL GetAclSizeInfo(
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PDWORD pdwBytesInUse,
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PDWORD pdwBytesFree
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);
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void Dump();
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};
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//***************************************************************************
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//
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// SNtAbsoluteSD
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//
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// Helper for converting between absolute and relative SDs.
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//
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//***************************************************************************
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struct SNtAbsoluteSD
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{
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PSECURITY_DESCRIPTOR m_pSD;
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PACL m_pDacl;
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PACL m_pSacl;
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PSID m_pOwner;
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PSID m_pPrimaryGroup;
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SNtAbsoluteSD();
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~SNtAbsoluteSD();
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};
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//***************************************************************************
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//
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// CNtSecurityDescriptor
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//
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// Models an NT Security Descriptor. Note that in order to use this for an
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// AccessCheck, the DACL, owner sid, and group sid must be set!
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//
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//***************************************************************************
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class POLARITY CNtSecurityDescriptor
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{
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PSECURITY_DESCRIPTOR m_pSD;
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int m_dwStatus;
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public:
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enum { NoError, NullSD, Failed, InvalidSD, SDOwned, SDNotOwned };
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CNtSecurityDescriptor();
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CNtSecurityDescriptor(
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PSECURITY_DESCRIPTOR pSD,
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BOOL bAcquire = FALSE
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);
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CNtSecurityDescriptor(CNtSecurityDescriptor &Src);
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CNtSecurityDescriptor & operator=(CNtSecurityDescriptor &Src);
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~CNtSecurityDescriptor();
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SNtAbsoluteSD* CNtSecurityDescriptor::GetAbsoluteCopy();
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BOOL SetFromAbsoluteCopy(SNtAbsoluteSD *pSrc);
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int HasOwner();
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BOOL IsValid() { return(m_pSD && IsValidSecurityDescriptor(m_pSD)); }
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// Checks the validity of the embedded security descriptor&
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DWORD GetStatus() { return m_dwStatus; }
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// Returns one of the enumerated types.
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CNtAcl *GetDacl();
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// Deallocate with operator delete
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BOOL GetDacl(CNtAcl &DestAcl);
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// Retrieve into an existing object
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BOOL SetDacl(CNtAcl *pSrc);
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CNtAcl *GetSacl();
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// Deallocate with operator delete
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BOOL SetSacl(CNtAcl *pSrc);
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CNtSid *GetOwner();
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BOOL SetOwner(CNtSid *pSid);
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CNtSid *GetGroup();
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BOOL SetGroup(CNtSid *pSid);
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PSECURITY_DESCRIPTOR GetPtr() { return m_pSD; }
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// Returns the internal pointer for interface with NT APIs
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DWORD GetSize();
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void Dump();
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};
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//***************************************************************************
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//
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// CNtSecurity
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//
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// General-purpose NT security helpers.
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//
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//***************************************************************************
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class POLARITY CNtSecurity
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{
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public:
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enum { NoError, InternalFailure, NotFound, InvalidName, AccessDenied = 5, NoSecurity,
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Failed };
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static BOOL DumpPrivileges();
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static BOOL SetPrivilege(
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IN TCHAR *pszPrivilegeName, // An SE_ value.
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IN BOOL bEnable // TRUE=enable, FALSE=disable
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);
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static BOOL GetFileSD(
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IN TCHAR *pszFile,
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IN SECURITY_INFORMATION SecInfo,
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OUT CNtSecurityDescriptor **pSD
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);
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static BOOL SetFileSD(
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IN TCHAR *pszFile,
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IN SECURITY_INFORMATION SecInfo,
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IN CNtSecurityDescriptor *pSD
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);
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static int GetRegSD(
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IN HKEY hRoot,
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IN TCHAR *pszSubKey,
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IN SECURITY_INFORMATION SecInfo,
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OUT CNtSecurityDescriptor **pSD
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);
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static int SetRegSD(
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IN HKEY hRoot,
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IN TCHAR *pszSubKey,
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IN SECURITY_INFORMATION SecInfo,
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IN CNtSecurityDescriptor *pSD
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);
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/* static int GetDCName(
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IN LPWSTR pszDomain,
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OUT LPWSTR *pszDC,
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IN LPWSTR pszServer
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);*/
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static BOOL IsUserInGroup(
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HANDLE hClientToken,
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CNtSid & Sid
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);
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static DWORD AccessCheck(
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HANDLE hAccessToken,
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ACCESS_MASK RequiredAccess,
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CNtSecurityDescriptor *pSD
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); // TBD
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static CNtSid *GetCurrentThreadSid(); // TBD
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static bool DoesLocalGroupExist(LPWSTR pwszGroup, LPWSTR pwszMachine);
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static bool AddLocalGroup(LPWSTR pwszGroupName, LPWSTR pwszGroupDescription);
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};
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BOOL FIsRunningAsService(VOID);
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POLARITY BOOL SetObjectAccess2(HANDLE hObj);
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POLARITY BOOL IsAdmin(HANDLE hAccess);
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POLARITY BOOL IsNetworkService(HANDLE hAccess);
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POLARITY BOOL IsLocalService(HANDLE hAccess);
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POLARITY HRESULT GetAccessToken(HANDLE &hAccessToken);
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POLARITY BOOL IsInAdminGroup();
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#endif
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