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125 lines
2.2 KiB
125 lines
2.2 KiB
//========= Copyright 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/vcrmode.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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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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