268 lines
8.7 KiB
C++
268 lines
8.7 KiB
C++
// nat access objects
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class CNATNode;
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class CNATSiteComputer;
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class CNATSite;
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class CNATGroup;
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class CNATServerComputer;
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// a list of group types. To be used to show an appropriate icon
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enum {
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GROUP_TYPE_WWW = 0,
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GROUP_TYPE_FTP,
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GROUP_TYPE_MAIL,
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GROUP_TYPE_UNKNOWN = 0XFFFFFFFF
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};
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#define HASH_BYTE_SIZE 16
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//---------------------------------------------------------------------------------
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// virtual abstract class just used to get that OnProperties on the virutal table
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class CNATNode : public CObject
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{
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public:
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// Edit the properties of this Site - true if OK
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virtual BOOL OnProperties() = 0;
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};
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//---------------------------------------------------------------------------------
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class CNATSiteComputer : public CObject
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{
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public:
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CNATSiteComputer( LPCTSTR pszName, BOOL fVisible = TRUE ):
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m_fVisibleOnNet(fVisible),
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m_iComp(0),
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m_refcount(0)
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{
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m_csName = pszName;
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}
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~CNATSiteComputer() {;}
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// ref counting
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void AddRef() {m_refcount++;}
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void RemoveRef() {m_refcount--;}
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// When added by a refresh, the visibility of the computer is checked on the
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// net. This flag indicates whether or not that check suceeded.
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BOOL m_fVisibleOnNet;
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// the network name of the machine
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CString m_csName;
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// internal DWORD used only during the machine committing process
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DWORD m_iComp;
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// internal ref count to see how many sites point to it
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DWORD m_refcount;
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};
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//---------------------------------------------------------------------------------
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// coded in natobjs.cpp
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class CNATSite : public CNATNode
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{
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public:
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CNATSite(CNATGroup* pGroup, CNATSiteComputer* pSiteComputer,
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LPCTSTR pszPrivateIP = _T(""),
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LPCTSTR pszName = _T(""));
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~CNATSite(); // don't forget to decrement the refcount
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// Edit the properties of this Site - true if OK
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BOOL OnProperties();
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// get the data associated with the group
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void GetIP( OUT CString &csIP ) { csIP = m_csPrivateIP; }
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LPCTSTR GetIP() { return (LPCTSTR)m_csPrivateIP; }
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void GetName( OUT CString &csName ) { csName = m_csName; }
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LPCTSTR GetName() { return (LPCTSTR)m_csName; }
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// reference to the computer object this site relates to
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CNATSiteComputer* m_pSiteComputer;
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// the private IP this site relates to
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CString m_csPrivateIP;
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// the name (friendly) this site relates to
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CString m_csName;
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// the owning CNATGroup
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CNATGroup* m_pGroup;
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};
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//---------------------------------------------------------------------------------
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// coded in natgroup.cpp
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class CNATGroup : public CNATNode
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{
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public:
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CNATGroup( CNATServerComputer* pNatComputer, LPCTSTR pszIP = _T(""),
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LPCTSTR pszName = _T(""), DWORD dwSticky = 0, DWORD type = GROUP_TYPE_UNKNOWN );
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~CNATGroup();
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// Edit the properties of this Site - true if OK
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BOOL OnProperties();
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// This is just a handy way to get the nat machine object to commit
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void Commit();
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// get the data associated with the group
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void GetIP( OUT CString &csIP ) { csIP = m_csIP; }
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LPCTSTR GetIP() { return (LPCTSTR)m_csIP; }
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void GetName( OUT CString &csName ) { csName = m_csName; }
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LPCTSTR GetName() { return (LPCTSTR)m_csName; }
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void GetSticky( OUT DWORD* pdwSticky ) { *pdwSticky = m_dwSticky; }
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DWORD GetSticky() { return m_dwSticky; }
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void GetType( OUT DWORD* pdwType ) { *pdwType = m_type; }
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DWORD GetType() { return m_type; }
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// get the number of groups associated with this machine
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DWORD GetNumSites() {return m_rgbSites.GetSize();}
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// Get a Site referece
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CNATSite* GetSite( IN DWORD iSite ) {return m_rgbSites[iSite];}
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// adds a new site to the list.
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CNATSite* NewSite();
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// adds an existing site to the list - to be called during a refresh.
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// this checks the visiblity of the machine on the net as it adds it
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void AddSite( IN CNATSiteComputer* pSiteComputer, IN LPCTSTR pszPrivateIP, IN LPCTSTR pszName );
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protected:
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// empties and frees all the groups/sites in the groups list
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void EmptySites();
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// this is the owning NATMachine object. All the real action takes place there.
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CNATServerComputer* m_pNatComputer;
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// a dynamic array of the sites assocated with the group
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CTypedPtrArray<CObArray, CNATSite*> m_rgbSites;
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// the string that represents the public IP/Port pair presented by the group
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CString m_csIP;
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// the string that represents the friendly name of the group
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CString m_csName;
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// the DWORD that represents the sticky IP timeout of the group
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DWORD m_dwSticky;
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// DWORD indicating what type of group this is.
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DWORD m_type;
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};
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//---------------------------------------------------------------------------------
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// coded in NATServerComputer.cpp
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class CNATServerComputer : public CNATNode
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{
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public:
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CNATServerComputer( LPCTSTR pszComputerName );
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~CNATServerComputer();
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// rebuild all the data based on a new blob from the NAT machine
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void Refresh();
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// commit the current state of the data back to the NAT machine
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void Commit();
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// Edit the properties of this Site - true if OK
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BOOL OnProperties();
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// add a new group to the server computer (called by the UI). This
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// may or may not prompt the user with UI and returns the pointer
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// to the new group after adding it to the group list
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CNATGroup* NewGroup();
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// add a new computer to the sites list. - Note: if the computer
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// already exists in the sites list, it will just return a reference
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// to the existing computer. This routine prompts the user to choose
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// a computer to add. Returns FALSE if it fails.
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CNATSiteComputer* NewComputer();
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// get the number of groups associated with this machine
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DWORD GetNumGroups();
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// Get a group reference
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CNATGroup* GetGroup( IN DWORD iGroup );
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// Technically, the GetGroupName function is unecessary because
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// you get get the group class pointer, then call GetName on it, but it is really
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// handy to just do it here. Cleans up the snapin part of the code.
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BOOL GetGroupName( IN DWORD iGroup, OUT CString &csName );
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// call this to automatically verify that the target NAT computers config info
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// hasn't changed. If it has, it prompts the user and lets them continue or refresh.
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BOOL VerifyHashIsOK();
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protected:
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// utility to check if the computer is visible on the net
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BOOL CanSeeComputer( IN LPCTSTR pszname );
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// empties and frees all the site computer objects in the list
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void EmptySiteComputers();
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// empties and frees all the groups/sites in the groups list
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void EmptyGroups();
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// adds an existing computer to the list - to be called during a refresh.
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// this checks the visiblity of the machine on the net as it adds it
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void AddSiteComputer( IN LPWSTR pszwName );
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// adds an existing group to the list - to be called during a refresh.
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void AddGroup( IN LPWSTR pszwIPPublic, IN LPWSTR pszwName, IN DWORD dwSticky, IN DWORD type );
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// gets the crypto hash of the NAT data blob. If a null pointer to the blob
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// is passed in, then it dynamically gets the blob from the server
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// or you can pass in a specific blob. This is to be used to check if
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// the state of the server has changed since the data was last loaded.
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// The hash is obtained from the crypto code so it is really good. The
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// buffer for the hash should be 128 bits in length. Using an MD5 hash.
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BOOL GetNATStateHash( IN LPBYTE pData, IN DWORD cbData, IN OUT LPBYTE pHash, OUT DWORD* pcbHash );
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// access the server and retrieve the state blob. Use GetLastError to see
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// what went wrong if the returned result is NULL. Pass in the dword pointed
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// to by pcbData to get the required size.
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LPBYTE PGetNATStateBlob( OUT DWORD* pcbData );
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// access the server and set the state blob. Use GetLastError to see what went
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// wrong if the returned result is FALSE
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BOOL SetStateBlob( IN LPBYTE pData, IN DWORD cbData );
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// open the DCOM interface to the target NAT machine.
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HRESULT GetNATInterface( OUT IMSIisLb** ppIisLb );
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// the name of the target NAT machine to edit
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CString m_csNatComputer;
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// an dynamic array of the groups associated with the NAT machine
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CTypedPtrArray<CObArray, CNATGroup*> m_rgbGroups;
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// a dynamic array of the site computers assocated with the NAT machine
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CTypedPtrArray<CObArray, CNATSiteComputer*> m_rgbSiteComputers;
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// the last refresh hash of the config blob
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BYTE m_hash[HASH_BYTE_SIZE];
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};
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