158 lines
3.7 KiB
C++
158 lines
3.7 KiB
C++
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/*++
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Copyright (c) 2000 Microsoft Corporation
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Module Name:
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ProfilesGetFolderPath.cpp
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Abstract:
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This DLL hooks shell32!SHGetFolderLocation, shell32!SHGetSpecialFolderLocation, and
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shell32!SHGetFolderPathA. Any application that is looking for a per-user CSIDL will
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be returned the corosponding all-users location instead.
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This shim is designed to fool install apps that call shell32.dll api's to obtain
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shell folder locations.
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History:
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08/07/2000 reinerf Created
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05/11/2001 markder Modified Removed Desktop redirection as it makes the shim
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too invasive.
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--*/
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#include "precomp.h"
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IMPLEMENT_SHIM_BEGIN(ProfilesGetFolderPath)
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#include "ShimHookMacro.h"
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APIHOOK_ENUM_BEGIN
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APIHOOK_ENUM_ENTRY(SHGetFolderLocation)
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APIHOOK_ENUM_ENTRY(SHGetSpecialFolderLocation)
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APIHOOK_ENUM_ENTRY(SHGetFolderPathA)
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APIHOOK_ENUM_END
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int
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TranslateCSIDL(
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int nFolder
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)
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{
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switch (nFolder) {
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case CSIDL_STARTMENU:
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DPFN(
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eDbgLevelInfo,
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"[TranslateCSIDL] overriding CSIDL_STARTMENU with CSIDL_COMMON_STARTMENU\n");
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return CSIDL_COMMON_STARTMENU;
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break;
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case CSIDL_STARTUP:
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DPFN(
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eDbgLevelInfo,
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"[TranslateCSIDL] overriding CSIDL_STARTUP with CSIDL_COMMON_STARTUP\n");
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return CSIDL_COMMON_STARTUP;
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break;
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case CSIDL_PROGRAMS:
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DPFN(
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eDbgLevelInfo,
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"[TranslateCSIDL] overriding CSIDL_PROGRAMS with CSIDL_COMMON_PROGRAMS\n");
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return CSIDL_COMMON_PROGRAMS;
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break;
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default:
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return nFolder;
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}
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}
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HRESULT
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APIHOOK(SHGetSpecialFolderLocation)(
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HWND hwndOwner,
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int nFolder,
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LPITEMIDLIST* ppidl
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)
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{
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return ORIGINAL_API(SHGetSpecialFolderLocation)(hwndOwner,
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TranslateCSIDL(nFolder),
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ppidl);
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}
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HRESULT
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APIHOOK(SHGetFolderLocation)(
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HWND hwndOwner,
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int nFolder,
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HANDLE hToken,
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DWORD dwReserved,
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LPITEMIDLIST* ppidl
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)
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{
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return ORIGINAL_API(SHGetFolderLocation)(hwndOwner,
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TranslateCSIDL(nFolder),
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hToken,
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dwReserved,
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ppidl);
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}
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HRESULT
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APIHOOK(SHGetFolderPathA)(
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HWND hwndOwner,
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int nFolder,
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HANDLE hToken,
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DWORD dwFlags,
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LPSTR pszPath
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)
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{
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return ORIGINAL_API(SHGetFolderPathA)(hwndOwner,
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TranslateCSIDL(nFolder),
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hToken,
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dwFlags,
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pszPath);
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}
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// Register hooked functions
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BOOL
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NOTIFY_FUNCTION(
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DWORD fdwReason
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)
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{
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if (fdwReason == DLL_PROCESS_ATTACH) {
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OSVERSIONINFOEX osvi = {0};
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osvi.dwOSVersionInfoSize = sizeof(OSVERSIONINFOEX);
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if (GetVersionEx((OSVERSIONINFO*)&osvi)) {
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if (!((VER_SUITE_TERMINAL & osvi.wSuiteMask) &&
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!(VER_SUITE_SINGLEUSERTS & osvi.wSuiteMask))) {
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//
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// Only install hooks if we are not on a "Terminal Server"
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// (aka "Application Server") machine.
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//
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APIHOOK_ENTRY(SHELL32.DLL, SHGetFolderLocation);
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APIHOOK_ENTRY(SHELL32.DLL, SHGetSpecialFolderLocation);
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APIHOOK_ENTRY(SHELL32.DLL, SHGetFolderPathA);
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}
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}
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}
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return TRUE;
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}
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HOOK_BEGIN
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CALL_NOTIFY_FUNCTION
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HOOK_END
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IMPLEMENT_SHIM_END
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