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59 lines
2.4 KiB
59 lines
2.4 KiB
//+---------------------------------------------------------------------------
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//
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// Microsoft Windows
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// Copyright (C) Microsoft Corporation, 2002.
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//
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// File: reghelp.hxx
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//
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// Contents: Registry helper functions for accessing HKCR
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//
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// Classes:
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//
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// Functions:
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//
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// Notes:
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// The registry APIs do a surprising thing when you access
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// HKEY_CLASSES_ROOT. They will determine which user hive to use
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// based on whoever was impersonating when the first access was made for
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// the process, and it will use that mapping no matte who is impersonated
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// later. As such, it is impossible to know at any point in time where you
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// will be picking up your user mapping when you access HKCR.
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// This could present security holes if a malicious user were able to force
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// their own hive to be the first one accessed. So, for example, a
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// malicious user could force their own InprocServer32 value to be used
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// instead of one from a different user's hive.
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//
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// The APIs in this file provide a reliable means of accessing HKCR, so that
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// you always know what the mapping will be. These functions will use
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// HKEY_USERS\SID_ProcessToken\Software\Classes instead of trying to get
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// the current user's token.
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//
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//----------------------------------------------------------------------------
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#pragma once
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// ----------------------------------------------------------------------------
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// Registry functions for accessing HKCR.
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// ----------------------------------------------------------------------------
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#define OpenClassesRootKey OpenClassesRootKeyW
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#define OpenClassesRootKeyEx OpenClassesRootKeyExW
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#define QueryClassesRootValue QueryClassesRootValueW
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#define SetClassesRootValue SetClassesRootValueW
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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LONG WINAPI OpenClassesRootKeyW(LPCWSTR psSubKey,HKEY *phkResult);
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LONG WINAPI OpenClassesRootKeyExW(LPCWSTR pszSubKey,REGSAM samDesired,HKEY *phkResult);
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LONG WINAPI QueryClassesRootValueW(LPCWSTR pszSubKey,LPWSTR pszValue,PLONG lpcbValue);
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LONG WINAPI SetClassesRootValueW(LPCWSTR pszSubKey,DWORD dwType,LPCWSTR pszData,DWORD cbData);
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LONG WINAPI OpenClassesRootKeyA(LPCSTR psSubKey,HKEY *phkResult);
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LONG WINAPI OpenClassesRootKeyExA(LPCSTR pszSubKey,REGSAM samDesired,HKEY *phkResult);
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LONG WINAPI QueryClassesRootValueA(LPCSTR pszSubKey,LPSTR pszValue,PLONG lpcbValue);
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#ifdef __cplusplus
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}
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#endif
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