115 lines
2.9 KiB
C++
115 lines
2.9 KiB
C++
/*++
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Copyright (c) 2000 Microsoft Corporation
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Module Name:
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ComptonsBible.cpp
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Abstract:
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This shim checks to see if Compton's Interactive Bible is calling DdeClientTransaction to create
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a program group in the Start Menu for America Online. If so, NULL is passed as pData to prevent
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the application from doing anything with the program group, i.e. CreateGroup or ShowGroup.
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Notes:
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This is an app specific shim.
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History:
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12/14/2000 jdoherty Created
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--*/
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#include "precomp.h"
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#include <ParseDde.h>
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IMPLEMENT_SHIM_BEGIN(ComptonsBible)
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#include "ShimHookMacro.h"
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APIHOOK_ENUM_BEGIN
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APIHOOK_ENUM_ENTRY(DdeClientTransaction)
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APIHOOK_ENUM_END
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/*++
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Hook ShellExecuteA so we can check the return value.
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--*/
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HDDEDATA
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APIHOOK(DdeClientTransaction)(
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IN LPBYTE pData, // pointer to data to pass to server
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IN DWORD cbData, // length of data
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IN HCONV hConv, // handle to conversation
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IN HSZ hszItem, // handle to item name string
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IN UINT wFmt, // clipboard data format
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IN UINT wType, // transaction type
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IN DWORD dwTimeout, // time-out duration
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OUT LPDWORD pdwResult // pointer to transaction result
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)
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{
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//
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// Checking to see if pData contains America Online.
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//
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DPFN( eDbgLevelInfo, "[DdeClientTransaction] Checking pData parameter: %s, for calls including America Online.", pData);
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if (pData)
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{
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CSTRING_TRY
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{
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CString csData((LPSTR)pData);
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if (csData.Find(L"America Online") >= 0)
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{
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DPFN( eDbgLevelInfo, "[DdeClientTransaction] They are trying to create or show the "
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"America Online Group calling DdeClientTransaction with NULL pData.");
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//
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// The application is trying to create or show the America Online Group recalling API with
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// NULL as pData.
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//
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return ORIGINAL_API(DdeClientTransaction)(
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NULL,
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cbData,
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hConv,
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hszItem,
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wFmt,
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wType,
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dwTimeout,
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pdwResult
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);
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}
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}
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CSTRING_CATCH
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{
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// Do nothing
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}
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}
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return ORIGINAL_API(DdeClientTransaction)(
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pData,
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cbData,
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hConv,
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hszItem,
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wFmt,
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wType,
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dwTimeout,
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pdwResult
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);
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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(USER32.DLL, DdeClientTransaction)
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HOOK_END
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IMPLEMENT_SHIM_END
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