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88 lines
1.7 KiB
88 lines
1.7 KiB
/*++
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Copyright (c) 2000 Microsoft Corporation
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Module Name:
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ChangeAuthenticationLevel.cpp
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Abstract:
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Sets the dwAuthnLevel for CoInitializeSecurity() to RPC_C_AUTHN_LEVEL_CONNECT.
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This fixes problems associated with a change with Windows 2000 and above where
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RPC_C_AUTHN_LEVEL_NONE is nolonger promoted for local calls to PRIVACY.
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Notes:
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Only needed where app sets level to RPC_C_AUTHN_LEVEL_NONE.
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History:
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07/19/2000 jpipkins Created
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--*/
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#include "precomp.h"
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IMPLEMENT_SHIM_BEGIN(ChangeAuthenticationLevel)
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#include "ShimHookMacro.h"
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APIHOOK_ENUM_BEGIN
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APIHOOK_ENUM_ENTRY(CoInitializeSecurity)
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APIHOOK_ENUM_END
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/*++
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Adjust security level.
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--*/
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HRESULT
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APIHOOK(CoInitializeSecurity)(
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PSECURITY_DESCRIPTOR pVoid,
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LONG cAuthSvc,
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SOLE_AUTHENTICATION_SERVICE *asAuthSvc,
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void *pReserved1,
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DWORD dwAuthnLevel,
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DWORD dwImpLevel,
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SOLE_AUTHENTICATION_LIST *pAuthList,
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DWORD dwCapabilities,
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void *pReserved3
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)
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{
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HRESULT hResult;
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DPFN( eDbgLevelInfo, "CoInitializeSecurity called");
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if (RPC_C_AUTHN_LEVEL_NONE == dwAuthnLevel)
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{
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LOGN( eDbgLevelWarning, "[APIHook_CoInitializeSecurity] Increasing authentication level");
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dwAuthnLevel = RPC_C_AUTHN_LEVEL_CONNECT;
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}
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hResult = ORIGINAL_API(CoInitializeSecurity)(
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pVoid,
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cAuthSvc,
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asAuthSvc,
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pReserved1,
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dwAuthnLevel,
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dwImpLevel,
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pAuthList,
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dwCapabilities,
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pReserved3);
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return hResult;
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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(OLE32.DLL, CoInitializeSecurity)
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HOOK_END
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IMPLEMENT_SHIM_END
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