EgtLock 1.5i2 :

- primo rilascio.
2014-09-13 21:30:38 +00:00
parent 03c84cb597
commit 7aab88ed67
14 changed files with 1480 additions and 0 deletions
@@ -0,0 +1,97 @@
+//----------------------------------------------------------------------------
+//  EgalTech 2014-2014
+//----------------------------------------------------------------------------
+// File : RegForMachineId.cpp     Data : 08.09.14          Versione : 1.5i2
+// Contenuto : Funzioni per salvataggio e lettura MachineId da Registry.
+//
+//
+//
+// Modifiche : 08.09.14 DS Creazione modulo.
+//
+//
+//----------------------------------------------------------------------------
+
+//------------------ Include -------------------------------------------------
+#include "stdafx.h"
+#include <windows.h> 
+#include "RegForMachineId.h"
+#include "/EgtDev/Include/EGnStringConverter.h"
+
+using namespace std ;
+
+
+//------------------------------------------------------------------------------------
+#define RKEY_EGT_POS      L"Software\\EgalTech\\Position"
+
+
+//------------------------------------------------------------------------------------
+LONG CreateAndSetKey( HKEY hKey, const wchar_t* wszSubKey, const wchar_t* wszValName, const wchar_t* wszVal) ;
+LONG GetKey( HKEY hKey, const wchar_t* wszSubKey, const wchar_t* wszValName, wchar_t* wszVal, DWORD* pdwLen) ;
+
+
+//------------------------------------------------------------------------------------
+bool
+SaveMachineIdOnReg( const string& sMachineId)
+{
+  return ( CreateAndSetKey( HKEY_CURRENT_USER, RKEY_EGT_POS, L"", stringtoW( sMachineId)) == ERROR_SUCCESS) ;
+}
+
+//------------------------------------------------------------------------------------
+bool
+LoadMachineIdFromReg( string& sMachineId)
+{
+   const int LEN_BUF = 50 ;
+   wcharBuffer wBuffer( LEN_BUF) ;
+   DWORD dwLen = LEN_BUF ;
+   if ( GetKey( HKEY_CURRENT_USER, RKEY_EGT_POS, L"", wBuffer.data(), &dwLen) == ERROR_SUCCESS) {
+      wBuffer.terminate( dwLen) ;
+      sMachineId = wcharBtoA( wBuffer) ; 
+      return true ;
+   }
+   else {
+      sMachineId.clear() ;
+      return false ;
+   }
+}
+
+//-----------------------------------------------------------------------------
+LONG
+CreateAndSetKey( HKEY hKey, const wchar_t* wszSubKey, const wchar_t* wszValName, const wchar_t* wszVal)
+{
+  // creazione della chiave
+   HKEY hSubKey ;
+   LONG lResult = ::RegCreateKeyExW( hKey, wszSubKey, 0, NULL, REG_OPTION_NON_VOLATILE, 
+                                     KEY_WRITE | KEY_READ, NULL,
+                                     &hSubKey, NULL) ;
+   if ( lResult != ERROR_SUCCESS)
+      return lResult ;
+
+  // assegnazione del valore
+   lResult = ::RegSetValueExW( hSubKey, wszValName, 0, REG_SZ, (LPBYTE) wszVal, (DWORD) 2 * lstrlen( wszVal) + 2) ;
+
+  // rilascio l'handle alla chiave
+   ::RegCloseKey( hSubKey) ;
+
+   return lResult ;
+}
+
+//-----------------------------------------------------------------------------
+LONG
+GetKey( HKEY hKey, const wchar_t* wszSubKey, const wchar_t* wszValName, wchar_t* wszVal, DWORD* pdwLen)
+{
+  // apro la chiave
+   HKEY hSubKey ;
+   LONG lResult = ::RegOpenKeyExW( hKey, wszSubKey, 0, KEY_READ, &hSubKey) ;
+   if ( lResult != ERROR_SUCCESS)
+      return lResult ;
+
+  // leggo il valore
+   *pdwLen *= 2 ;
+   lResult = ::RegQueryValueExW( hSubKey, wszValName, NULL, NULL, (LPBYTE) wszVal, pdwLen) ;
+   *pdwLen /= 2 ;
+
+  // rilascio l'handle alla chiave
+   ::RegCloseKey( hSubKey) ;
+
+   return lResult ;
+}