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85 lines
1.8 KiB
85 lines
1.8 KiB
/*++
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Copyright (c) 2001 Microsoft Corporation
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Module Name:
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Keisoku7.cpp
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Abstract:
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The app has an executable bplayer.exe to launch its virtual CD driver. The
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problem is bplayer.exe is put in start-group and will be launched by
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explorer.exe, at the time the virtual CD driver is launched, explorer.exe
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has already finished initialization and cached all local drive info. Fixing
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this by broadcasting a WM_DEVICECHANGE message.
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Notes:
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This is an app specific shim.
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History:
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06/20/2001 xiaoz Created
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--*/
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#include "precomp.h"
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#include "Dbt.h"
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IMPLEMENT_SHIM_BEGIN(Keisoku7)
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#include "ShimHookMacro.h"
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APIHOOK_ENUM_BEGIN
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APIHOOK_ENUM_ENTRY(StartServiceA)
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APIHOOK_ENUM_END
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/*++
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Hook StartServiceA to broadcast a WM_DEVICECHANGE message
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--*/
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BOOL
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APIHOOK(StartServiceA)(
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SC_HANDLE hService,
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DWORD dwNumServiceArgs,
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LPCSTR *lpServiceArgVectors
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)
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{
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BOOL bRet;
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DEV_BROADCAST_VOLUME devbVol;
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bRet = ORIGINAL_API(StartServiceA)(hService, dwNumServiceArgs,
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lpServiceArgVectors);
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//
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// If succeed, we will broadcast WM_DEVICECHANGE message
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//
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if (bRet)
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{
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devbVol.dbcv_size = sizeof(DEV_BROADCAST_VOLUME);
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devbVol.dbcv_devicetype = DBT_DEVTYP_VOLUME;
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devbVol.dbcv_reserved = 0;
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devbVol.dbcv_unitmask = 0x3FFFFF8; // All drives except A: B: C:
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devbVol.dbcv_flags = 0;
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SendMessageTimeout(HWND_BROADCAST, WM_DEVICECHANGE, DBT_DEVICEARRIVAL,
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(LPARAM) &devbVol, SMTO_NOTIMEOUTIFNOTHUNG, 1000, NULL);
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LOGN(eDbgLevelWarning, "WM_DEVICECHANGE broadcasted");
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}
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return bRet;
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}
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/*++
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Register hooked functions
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--*/
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HOOK_BEGIN
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APIHOOK_ENTRY(ADVAPI32.DLL, StartServiceA)
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HOOK_END
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IMPLEMENT_SHIM_END
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