91 lines
1.7 KiB
C++
91 lines
1.7 KiB
C++
/*++
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Copyright (c) 2001 Microsoft Corporation
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Module Name:
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Outlook97.cpp
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Abstract:
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Investigation by zekel.
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Outlook 97 has an untested code-path:
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where iIndex == -173 and hInstDll == hinstShell32
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...
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else if (iIndex < 0)
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{
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pThis->m_nEnumWant = 0;
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pThis->EnumIconFunc(hInstDll, MAKEINTRESOURCE(-iIndex), &iepStuff);
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}
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which will always fault, i.e. since iIndex used to be positive, this always
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worked.
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Notes:
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This is an app specific shim.
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History:
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06/15/2001 linstev Created
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--*/
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#include "precomp.h"
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#include "LegalStr.h"
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IMPLEMENT_SHIM_BEGIN(Outlook97)
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#include "ShimHookMacro.h"
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APIHOOK_ENUM_BEGIN
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APIHOOK_ENUM_ENTRY(SHGetFileInfoA)
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APIHOOK_ENUM_END
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/*++
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Fix faulting case.
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--*/
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DWORD_PTR
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APIHOOK(SHGetFileInfoA)(
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LPCSTR pszPath,
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DWORD dwFileAttributes,
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SHFILEINFOA *psfi,
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UINT cbFileInfo,
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UINT uFlags
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)
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{
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DWORD_PTR dwRet = ORIGINAL_API(SHGetFileInfoA)(pszPath, dwFileAttributes,
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psfi, cbFileInfo, uFlags);
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if (dwRet && ((uFlags & (SHGFI_ICONLOCATION | SHGFI_PIDL)) == (SHGFI_ICONLOCATION | SHGFI_PIDL))) {
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//
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// Check to see if this is shell32, IDI_FAVORITES
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// Outlook faults if we return a negative index here
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//
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if (psfi->iIcon == -173 && stristr(psfi->szDisplayName, "shell32")) {
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LOGN(eDbgLevelError, "Negative icon id detected - fixing");
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psfi->iIcon = 0;
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psfi->szDisplayName[0] = 0;
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}
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}
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return dwRet;
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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(SHELL32.DLL, SHGetFileInfoA)
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HOOK_END
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IMPLEMENT_SHIM_END
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