133 lines
2.4 KiB
C++
133 lines
2.4 KiB
C++
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//========= Copyright <20> 1996-2005, Valve Corporation, All rights reserved. ============//
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//
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// Purpose: Platform level security functions.
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//
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// $NoKeywords: $
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//=============================================================================//
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// Uncomment the following line to require the prescence of a hardware key.
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//#define REQUIRE_HARDWARE_KEY
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// NOTE - this DOESN'T work under linux!!!!
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#include "tier0/platform.h"
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#include "tier0/memalloc.h"
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#ifdef REQUIRE_HARDWARE_KEY
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#define VALVE_DESKEY_ID "uW" // Uniquely identifies HL2 keys
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// Include the key's API:
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#include "deskey/algo.h"
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#include "deskey/dk2win32.h"
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// #pragma comment(lib, "DESKey/algo32.lib" )
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// #pragma comment(lib, "DESKey/dk2win32.lib" )
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#endif
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// NOTE: This has to be the last file included! (turned off below, since this is included like a header)
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#include "tier0/memdbgon.h"
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bool Plat_VerifyHardwareKey()
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{
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#ifdef REQUIRE_HARDWARE_KEY
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// Ensure that a key with our ID exists:
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if( FindDK2( VALVE_DESKEY_ID, NULL ) )
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return true;
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return false;
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#else
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return true;
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#endif
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}
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bool Plat_VerifyHardwareKeyDriver()
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{
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#ifdef REQUIRE_HARDWARE_KEY
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// Ensure that the driver is at least installed:
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return DK2DriverInstalled() != 0;
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#else
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return true;
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#endif
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}
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bool Plat_VerifyHardwareKeyPrompt()
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{
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#ifdef REQUIRE_HARDWARE_KEY
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if( !DK2DriverInstalled() )
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{
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if( IDCANCEL == MessageBox( NULL, "No drivers detected for the hardware key, please install them and re-run the application.\n", "No Driver Detected", MB_OKCANCEL ) )
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{
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return false;
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}
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}
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while( !Plat_VerifyHardwareKey() )
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{
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if( IDCANCEL == MessageBox( NULL, "Please insert the hardware key and hit 'ok'.\n", "Insert Hardware Key", MB_OKCANCEL ) )
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{
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return false;
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}
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for( int i=0; i < 2; i++ )
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{
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// Is the key in now?
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if( Plat_VerifyHardwareKey() )
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{
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return true;
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}
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// Sleep 2 / 3 of a second before trying again, in case the os recognizes the key slightly after it's being inserted:
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Sleep(666);
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}
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}
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return true;
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#else
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return true;
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#endif
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}
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bool Plat_FastVerifyHardwareKey()
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{
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#ifdef REQUIRE_HARDWARE_KEY
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static int nIterations = 0;
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nIterations++;
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if( nIterations > 100 )
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{
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nIterations = 0;
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return Plat_VerifyHardwareKey();
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}
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return true;
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#else
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return true;
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#endif
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}
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// Turn off memdbg macros (turned on up top) since this is included like a header
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#include "tier0/memdbgoff.h"
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