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【C】DirectSound8 Hook:将DirectSoundBuffer中的声音存为WAV

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2014-1-26
发表于 2015-4-28 22:44:44 | 显示全部楼层 |阅读模式

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原理很简单,将原始的dsound.dll改名为“dsorg.dll”,然后自己写一个Dll,命名为“dsound.dll”,使其具有和原来的dsound.dll相同的导出表。
其实只需要使用这个def文件就能做到了:
  1. LIBRARY
  2.         EXPORTS
  3. DirectSoundCreate                                @1
  4. DirectSoundEnumerateA                        @2
  5. DirectSoundEnumerateW                        @3
  6. DllCanUnloadNow                                        PRIVATE
  7. DllGetClassObject                                PRIVATE
  8. DirectSoundCaptureCreate                @6
  9. DirectSoundCaptureEnumerateA        @7
  10. DirectSoundCaptureEnumerateW        @8
  11. GetDeviceID                                                @9
  12. DirectSoundFullDuplexCreate                @10
  13. DirectSoundCreate8                                @11
  14. DirectSoundCaptureCreate8                @12
复制代码
然后就是要自己实现这几个方法。
  1. #define        CINTERFACE

  2. #include"log.h"
  3. #include<Windows.h>
  4. #include<dsound.h>

  5. //原始Dll句柄
  6. HMODULE        g_hOrgDll=NULL;

  7. //DirectSoundCreate
  8. //DirectSoundEnumerateA
  9. //DirectSoundEnumerateW
  10. //DllCanUnloadNow
  11. //DllGetClassObject
  12. //DirectSoundCaptureCreate
  13. //DirectSoundCaptureEnumerateA
  14. //DirectSoundCaptureEnumerateW
  15. //GetDeviceID
  16. //DirectSoundFullDuplexCreate
  17. //DirectSoundCreate8
  18. //DirectSoundCaptureCreate8

  19. void HookIDirectSound(LPDIRECTSOUND pDS);
  20. void HookIDirectSound8(LPDIRECTSOUND8 pDS);
  21. void HookIDirectSoundBuffer(LPDIRECTSOUNDBUFFER pDSB);
  22. void HookIDirectSoundBuffer8(LPDIRECTSOUNDBUFFER8 pDSB8);

  23. //=============================================================================
  24. //函数指针类型定义
  25. //-----------------------------------------------------------------------------
  26. typedef _Check_return_ HRESULT(WINAPI*FnDirectSoundCreate)(_In_opt_ LPCGUID pcGuidDevice, _Outptr_ LPDIRECTSOUND *ppDS, _Pre_null_ LPUNKNOWN pUnkOuter);
  27. typedef HRESULT(WINAPI*FnDirectSoundEnumerateA)(_In_ LPDSENUMCALLBACKA pDSEnumCallback, _In_opt_ LPVOID pContext);
  28. typedef HRESULT(WINAPI*FnDirectSoundEnumerateW)(_In_ LPDSENUMCALLBACKW pDSEnumCallback, _In_opt_ LPVOID pContext);
  29. typedef HRESULT(STDAPICALLTYPE*FnDllCanUnloadNow)();
  30. typedef HRESULT(STDAPICALLTYPE*FnDllGetClassObject)(REFCLSID rclsid,REFIID riid,LPVOID*ppv);
  31. typedef HRESULT(WINAPI*FnDirectSoundCaptureCreate)(_In_opt_ LPCGUID pcGuidDevice, _Outptr_ LPDIRECTSOUNDCAPTURE *ppDSC, _Pre_null_ LPUNKNOWN pUnkOuter);
  32. typedef HRESULT(WINAPI*FnDirectSoundCaptureEnumerateA)(_In_ LPDSENUMCALLBACKA pDSEnumCallback, _In_opt_ LPVOID pContext);
  33. typedef HRESULT(WINAPI*FnDirectSoundCaptureEnumerateW)(_In_ LPDSENUMCALLBACKW pDSEnumCallback, _In_opt_ LPVOID pContext);
  34. typedef HRESULT(WINAPI*FnGetDeviceID)(_In_opt_ LPCGUID pGuidSrc, _Out_ LPGUID pGuidDest);
  35. typedef HRESULT(WINAPI*FnDirectSoundFullDuplexCreate)
  36. (
  37.     _In_opt_ LPCGUID pcGuidCaptureDevice,
  38.     _In_opt_ LPCGUID pcGuidRenderDevice,
  39.     _In_ LPCDSCBUFFERDESC pcDSCBufferDesc,
  40.     _In_ LPCDSBUFFERDESC pcDSBufferDesc,
  41.     HWND hWnd,
  42.     DWORD dwLevel,
  43.     _Outptr_ LPDIRECTSOUNDFULLDUPLEX* ppDSFD,
  44.     _Outptr_ LPDIRECTSOUNDCAPTUREBUFFER8 *ppDSCBuffer8,
  45.     _Outptr_ LPDIRECTSOUNDBUFFER8 *ppDSBuffer8,
  46.     _Pre_null_ LPUNKNOWN pUnkOuter
  47. );
  48. typedef HRESULT(WINAPI*FnDirectSoundCreate8)(_In_opt_ LPCGUID pcGuidDevice, _Outptr_ LPDIRECTSOUND8 *ppDS8, _Pre_null_ LPUNKNOWN pUnkOuter);
  49. typedef HRESULT(WINAPI*FnDirectSoundCaptureCreate8)(_In_opt_ LPCGUID pcGuidDevice, _Outptr_ LPDIRECTSOUNDCAPTURE8 *ppDSC8, _Pre_null_ LPUNKNOWN pUnkOuter);

  50. //=============================================================================
  51. //函数指针
  52. //-----------------------------------------------------------------------------
  53. FnDirectSoundCreate        g_pOrgDirectSoundCreate=NULL;
  54. FnDirectSoundEnumerateA g_pOrgDirectSoundEnumerateA=NULL;
  55. FnDirectSoundEnumerateW g_pOrgDirectSoundEnumerateW=NULL;
  56. FnDllCanUnloadNow g_pOrgDllCanUnloadNow=NULL;
  57. FnDllGetClassObject g_pOrgDllGetClassObject=NULL;
  58. FnDirectSoundCaptureCreate g_pOrgDirectSoundCaptureCreate=NULL;
  59. FnDirectSoundCaptureEnumerateA g_pOrgDirectSoundCaptureEnumerateA=NULL;
  60. FnDirectSoundCaptureEnumerateW g_pOrgDirectSoundCaptureEnumerateW=NULL;
  61. FnGetDeviceID g_pOrgGetDeviceID=NULL;
  62. FnDirectSoundFullDuplexCreate g_pOrgDirectSoundFullDuplexCreate=NULL;
  63. FnDirectSoundCreate8 g_pOrgDirectSoundCreate8=NULL;
  64. FnDirectSoundCaptureCreate8 g_pOrgDirectSoundCaptureCreate8=NULL;

  65. void LoadOrgDll()
  66. {
  67.         if(!g_hOrgDll)
  68.         {
  69.                 Log("Loading org Dll.\n");
  70.                 g_hOrgDll=LoadLibrary(TEXT("dsorg.dll"));
  71.                 if(!g_hOrgDll)
  72.                         return;
  73.                 g_pOrgDirectSoundCreate=(FnDirectSoundCreate)GetProcAddress(g_hOrgDll,"DirectSoundCreate");
  74.                 g_pOrgDirectSoundEnumerateA=(FnDirectSoundEnumerateA)GetProcAddress(g_hOrgDll,"DirectSoundEnumerateA");
  75.                 g_pOrgDirectSoundEnumerateW=(FnDirectSoundEnumerateW)GetProcAddress(g_hOrgDll,"DirectSoundEnumerateW");
  76.                 g_pOrgDllCanUnloadNow=(FnDllCanUnloadNow)GetProcAddress(g_hOrgDll,"DllCanUnloadNow");
  77.                 g_pOrgDllGetClassObject=(FnDllGetClassObject)GetProcAddress(g_hOrgDll,"DllGetClassObject");
  78.                 g_pOrgDirectSoundCaptureCreate=(FnDirectSoundCaptureCreate)GetProcAddress(g_hOrgDll,"DirectSoundCaptureCreate");
  79.                 g_pOrgDirectSoundCaptureEnumerateA=(FnDirectSoundCaptureEnumerateA)GetProcAddress(g_hOrgDll,"DirectSoundCaptureEnumerateA");
  80.                 g_pOrgDirectSoundCaptureEnumerateW=(FnDirectSoundCaptureEnumerateW)GetProcAddress(g_hOrgDll,"DirectSoundCaptureEnumerateW");
  81.                 g_pOrgGetDeviceID=(FnGetDeviceID)GetProcAddress(g_hOrgDll,"GetDeviceID");
  82.                 g_pOrgDirectSoundFullDuplexCreate=(FnDirectSoundFullDuplexCreate)GetProcAddress(g_hOrgDll,"DirectSoundFullDuplexCreate");
  83.                 g_pOrgDirectSoundCreate8=(FnDirectSoundCreate8)GetProcAddress(g_hOrgDll,"DirectSoundCreate8");
  84.                 g_pOrgDirectSoundCaptureCreate8=(FnDirectSoundCaptureCreate8)GetProcAddress(g_hOrgDll,"DirectSoundCaptureCreate8");
  85.         }
  86. }

  87. _Check_return_ HRESULT WINAPI DirectSoundCreate
  88. (
  89.         _In_opt_ LPCGUID pcGuidDevice,
  90.         _Outptr_ LPDIRECTSOUND *ppDS,
  91.         _Pre_null_ LPUNKNOWN pUnkOuter)
  92. {
  93.         HRESULT hRet;
  94.         LoadOrgDll();
  95.         Log("DirectSoundCreate\n");
  96.         hRet=g_pOrgDirectSoundCreate(pcGuidDevice,ppDS,pUnkOuter);
  97.         if(SUCCEEDED(hRet) && *ppDS)
  98.                 HookIDirectSound(*ppDS);
  99.         return hRet;
  100. }

  101. HRESULT WINAPI DirectSoundEnumerateA
  102. (
  103.         _In_ LPDSENUMCALLBACKA pDSEnumCallback,
  104.         _In_opt_ LPVOID pContext
  105. )
  106. {
  107.         HRESULT hRet;
  108.         LoadOrgDll();
  109.         Log("DirectSoundEnumerateA\n");
  110.         hRet=g_pOrgDirectSoundEnumerateA(pDSEnumCallback,pContext);
  111.         return hRet;
  112. }

  113. HRESULT WINAPI DirectSoundEnumerateW
  114. (
  115.         _In_ LPDSENUMCALLBACKW pDSEnumCallback,
  116.         _In_opt_ LPVOID pContext
  117. )
  118. {
  119.         HRESULT hRet;
  120.         LoadOrgDll();
  121.         Log("DirectSoundEnumerateW\n");
  122.         hRet=g_pOrgDirectSoundEnumerateW(pDSEnumCallback,pContext);
  123.         return hRet;
  124. }

  125. HRESULT STDAPICALLTYPE DllCanUnloadNow()
  126. {
  127.         HRESULT hRet;
  128.         LoadOrgDll();
  129.         Log("DllCanUnloadNow\n");
  130.         hRet=g_pOrgDllCanUnloadNow();
  131.         return hRet;
  132. }

  133. HRESULT STDAPICALLTYPE DllGetClassObject(REFCLSID rclsid,REFIID riid,LPVOID*ppv)
  134. {
  135.         HRESULT hRet;
  136.         LoadOrgDll();
  137.         Log("DllGetClassObject\n");
  138.         hRet=g_pOrgDllGetClassObject(rclsid,riid,ppv);
  139.         return hRet;
  140. }

  141. HRESULT WINAPI DirectSoundCaptureCreate
  142. (
  143.         _In_opt_ LPCGUID pcGuidDevice,
  144.         _Outptr_ LPDIRECTSOUNDCAPTURE*ppDSC,
  145.         _Pre_null_ LPUNKNOWN pUnkOuter)
  146. {
  147.         HRESULT hRet;
  148.         LoadOrgDll();
  149.         Log("DirectSoundCaptureCreate\n");
  150.         hRet=g_pOrgDirectSoundCaptureCreate(pcGuidDevice,ppDSC,pUnkOuter);
  151.         return hRet;
  152. }

  153. HRESULT WINAPI DirectSoundCaptureEnumerateA
  154. (
  155.         _In_ LPDSENUMCALLBACKA pDSEnumCallback,
  156.         _In_opt_ LPVOID pContext
  157. )
  158. {
  159.         HRESULT hRet;
  160.         LoadOrgDll();
  161.         Log("DirectSoundCaptureEnumerateA\n");
  162.         hRet=g_pOrgDirectSoundCaptureEnumerateA(pDSEnumCallback,pContext);
  163.         return hRet;
  164. }

  165. HRESULT WINAPI DirectSoundCaptureEnumerateW
  166. (
  167.         _In_ LPDSENUMCALLBACKW pDSEnumCallback,
  168.         _In_opt_ LPVOID pContext
  169. )
  170. {
  171.         HRESULT hRet;
  172.         LoadOrgDll();
  173.         Log("DirectSoundCaptureEnumerateW\n");
  174.         hRet=g_pOrgDirectSoundCaptureEnumerateW(pDSEnumCallback,pContext);
  175.         return hRet;
  176. }

  177. HRESULT WINAPI GetDeviceID
  178. (
  179.         _In_opt_ LPCGUID pGuidSrc,
  180.         _Out_ LPGUID pGuidDest
  181. )
  182. {
  183.         HRESULT hRet;
  184.         LoadOrgDll();
  185.         Log("GetDeviceID\n");
  186.         hRet=g_pOrgGetDeviceID(pGuidSrc,pGuidDest);
  187.         return hRet;
  188. }

  189. HRESULT WINAPI DirectSoundFullDuplexCreate
  190. (
  191.     _In_opt_ LPCGUID pcGuidCaptureDevice,
  192.     _In_opt_ LPCGUID pcGuidRenderDevice,
  193.     _In_ LPCDSCBUFFERDESC pcDSCBufferDesc,
  194.     _In_ LPCDSBUFFERDESC pcDSBufferDesc,
  195.     HWND hWnd,
  196.     DWORD dwLevel,
  197.     _Outptr_ LPDIRECTSOUNDFULLDUPLEX* ppDSFD,
  198.     _Outptr_ LPDIRECTSOUNDCAPTUREBUFFER8 *ppDSCBuffer8,
  199.     _Outptr_ LPDIRECTSOUNDBUFFER8 *ppDSBuffer8,
  200.     _Pre_null_ LPUNKNOWN pUnkOuter
  201. )
  202. {
  203.         HRESULT hRet;
  204.         LoadOrgDll();
  205.         Log("DirectSoundFullDuplexCreate\n");
  206.         hRet=g_pOrgDirectSoundFullDuplexCreate
  207.                 (
  208.                         pcGuidCaptureDevice,
  209.                         pcGuidRenderDevice,
  210.                         pcDSCBufferDesc,
  211.                         pcDSBufferDesc,
  212.                         hWnd,
  213.                         dwLevel,
  214.                         ppDSFD,
  215.                         ppDSCBuffer8,
  216.                         ppDSBuffer8,
  217.                         pUnkOuter
  218.                 );
  219.         HookIDirectSoundBuffer8(*ppDSBuffer8);
  220.         return hRet;
  221. }

  222. HRESULT WINAPI DirectSoundCreate8
  223. (
  224.         _In_opt_ LPCGUID pcGuidDevice,
  225.         _Outptr_ LPDIRECTSOUND8 *ppDS8,
  226.         _Pre_null_ LPUNKNOWN pUnkOuter
  227. )
  228. {
  229.         HRESULT hRet;
  230.         LoadOrgDll();
  231.         Log("DirectSoundCreate8\n");
  232.         hRet=g_pOrgDirectSoundCreate8(pcGuidDevice,ppDS8,pUnkOuter);
  233.         if(SUCCEEDED(hRet) && *ppDS8)
  234.                 HookIDirectSound8(*ppDS8);
  235.         return hRet;
  236. }

  237. HRESULT WINAPI DirectSoundCaptureCreate8
  238. (
  239.         _In_opt_ LPCGUID pcGuidDevice,
  240.         _Outptr_ LPDIRECTSOUNDCAPTURE8 *ppDSC8,
  241.         _Pre_null_ LPUNKNOWN pUnkOuter
  242. )
  243. {
  244.         HRESULT hRet;
  245.         LoadOrgDll();
  246.         Log("DirectSoundCaptureCreate8\n");
  247.         hRet=g_pOrgDirectSoundCaptureCreate8(pcGuidDevice,ppDSC8,pUnkOuter);
  248.         return hRet;
  249. }
复制代码
其中的Log是一个参数类似于printf然后将内容打印到文件的这么一个调试性质的函数,而HookXXXXX这样的函数则是用来对某个Com类进行Hook操作。
某些游戏会完全使用DirectSound,并且使用多个DirectSoundBuffer完成音效混合的操作,因此对于这样的游戏,我们就可以将其加载的音效偷出来保存了。具体的代码请下载附件。
DSH.png
BIN: psdsbin.7z (224.62 KB, 下载次数: 20)
SRC: psdssrc.7z (503.65 KB, 下载次数: 40)

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发表于 2015-4-28 23:05:21 | 显示全部楼层
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发表于 2015-4-29 10:16:23 | 显示全部楼层
mark...可以用来翻录..
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发表于 2022-8-17 10:35:24 | 显示全部楼层
太强了,我在网上找了很久也没有找到,最终在你这里找到了相似的实现方法,我用的是注入一个Dll模块到第三方库,然后再进行DirectSound8的hook,但是我不知道该如何截取数据,接口已经全部hook了,我现在只要看你的源码就可以知道怎么来保存了,谁能相信15年的帖子帮了22年的我,感想大佬的无私奉献!!!!
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发表于 2022-8-18 23:34:24 | 显示全部楼层
我也说两句吧:
1.不需要HOOK的函数可以直接在def文件里面做导出表跳转,不需要自己写代码再调用过去,比如:DllCanUnloadNow=dsorg.DllCanUnloadNow @4 PRIVATE
2.需要HOOK并不只是 DirectSoundCreate 和 DirectSoundCreate8,还有 DllGetClassObject 也需要HOOK,因为DS对象有两种创建方式,一种就是直接调用dsound.dll的导出函数,还有一种就是用 CoCreateInstance(这个走 DllGetClassObject 不走 DirectSoundCreate 和 DirectSoundCreate8)。
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