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ApplicationScope.cpp
资源名称：apihook_Code.zip　[点击查看]
上传用户：jstlsd
上传日期：2007-01-13
资源大小：186k
文件大小：4k
源码类别：

钩子与API截获

开发平台：

Visual C++

ApplicationScope.cpp：源码内容
  1. //---------------------------------------------------------------------------
  2. //
  3. // ApplicationScope.h
  4. //
  5. // SUBSYSTEM:   Hook system
  6. //
  7. // MODULE:      Hook server
  8. //
  9. // DESCRIPTION: Implementation of the CApplicationScope class.
  10. //              This class is designed to provide single interface for 
  11. //              all hook related activities.
  12. // 
  13. //             
  14. // AUTHOR: Ivo Ivanov (ivopi@hotmail.com)
  15. // DATE: 2001 December v1.00
  16. //
  17. //---------------------------------------------------------------------------
  18. #include "stdafx.h"
  19. #include "HookSrv.h"
  20. #include "ApplicationScope.h"
  22. //---------------------------------------------------------------------------
  23. //
  24. // class CApplicationScope 
  25. //
  26. //---------------------------------------------------------------------------
  28. //---------------------------------------------------------------------------
  29. //
  30. // Static memeber declarations
  31. //
  32. //---------------------------------------------------------------------------
  33. CApplicationScope* CApplicationScope::sm_pInstance = NULL;
  35. //---------------------------------------------------------------------------
  36. //
  37. // Constructor
  38. //
  39. //---------------------------------------------------------------------------
  40. CApplicationScope::CApplicationScope():
  41. m_hmodHookTool(NULL),
  42. m_pfnInstallHook(NULL)
  43. {
  45. }
  47. //---------------------------------------------------------------------------
  48. //
  49. // Destructor 
  50. //
  51. //---------------------------------------------------------------------------
  52. CApplicationScope::~CApplicationScope()
  53. {
  54. if (m_hmodHookTool)
  55. ::FreeLibrary( m_hmodHookTool );
  56. }
  58. //---------------------------------------------------------------------------
  59. //
  60. // Copy constructor
  61. //
  62. //---------------------------------------------------------------------------
  63. CApplicationScope::CApplicationScope(const CApplicationScope& rhs)
  64. {
  66. }
  68. //---------------------------------------------------------------------------
  69. //
  70. // Assignment operator
  71. //
  72. //---------------------------------------------------------------------------
  73. CApplicationScope& CApplicationScope::operator=(const CApplicationScope& rhs)
  74. {
  75. if (this == &rhs) 
  76. return *this;
  78. return *this; // return reference to left-hand object
  79. }
  82. //---------------------------------------------------------------------------
  83. // GetInstance
  84. //
  85. // Implements the "double-checking" locking pattern combined with 
  86. // Scott Meyers single instance
  87. // For more details see - 
  88. // 1. "Modern C++ Design" by Andrei Alexandrescu - 6.9 Living in a 
  89. //     Multithreaded World
  90. // 2. "More Effective C++" by Scott Meyers - Item 26
  91. //---------------------------------------------------------------------------
  92. CApplicationScope& CApplicationScope::GetInstance()
  93. {
  94. if (!sm_pInstance)
  95. {
  96. CLockMgr<CCSWrapper> guard(g_AppSingeltonLock, TRUE);
  97. if (!sm_pInstance)
  98. {
  99. static CApplicationScope instance;
  100. sm_pInstance = &instance;
  101. }
  102. } // if
  104. return *sm_pInstance;
  105. }
  107. //---------------------------------------------------------------------------
  108. // InstallHook
  109. //
  110. // Delegates the call to the DLL InstallHook function
  111. //---------------------------------------------------------------------------
  112. void CApplicationScope::InstallHook(BOOL bActivate, HWND hwndServer)
  113. {
  114. if (NULL == m_hmodHookTool)
  115. {
  116. m_hmodHookTool = ::LoadLibrary( "HookTool.Dll" );
  117. if (NULL != m_hmodHookTool)
  118. m_pfnInstallHook = (PFN_INSTALLHOOK)::GetProcAddress(
  119. m_hmodHookTool, 
  120. "InstallHook"
  121. );
  122. } // if
  123. if (m_pfnInstallHook)
  124. m_pfnInstallHook(bActivate, hwndServer);
  125. }
  127. //---------------------------------------------------------------------------
  128. // OnDllLoaded
  129. //
  130. // Fired when a process loads hooktool dll
  131. //---------------------------------------------------------------------------
  132. void CApplicationScope::OnDllLoaded(DWORD dwProcessId)
  133. {
  135. }
  137. //---------------------------------------------------------------------------
  138. // OnDllUnLoaded
  139. //
  140. // Fired when a process unloads hooktool dll
  141. //---------------------------------------------------------------------------
  142. void CApplicationScope::OnDllUnLoaded(DWORD dwProcessId)
  143. {
  145. }
  147. //----------------------------End of the file -------------------------------