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cccd6849a7
lib_errors.cpp: replace with status.cpp, adapt to needs at work wutil: fix runtime warning reported via feedback box config: merge CONFIG_PARANOIA and !CONFIG_FINAL into CONFIG_ENABLE_CHECKS add openmp, pointer_typedefs.h This was SVN commit r9410.
128 lines
3.5 KiB
C++
128 lines
3.5 KiB
C++
/* Copyright (c) 2010 Wildfire Games
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be included
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* in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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/*
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* wrapper for Windows Management Instrumentation
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*/
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#include "precompiled.h"
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#include "lib/sysdep/os/win/wmi.h"
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#include <wbemidl.h>
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#include "lib/module_init.h"
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#pragma comment(lib, "wbemuuid.lib")
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static IWbemServices* pSvc;
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_COM_SMARTPTR_TYPEDEF(IWbemLocator, __uuidof(IWbemLocator));
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_COM_SMARTPTR_TYPEDEF(IWbemClassObject, __uuidof(IWbemClassObject));
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_COM_SMARTPTR_TYPEDEF(IEnumWbemClassObject, __uuidof(IEnumWbemClassObject));
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static ModuleInitState initState;
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static Status Init()
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{
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HRESULT hr;
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hr = CoInitialize(0);
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ENSURE(hr == S_OK || hr == S_FALSE); // S_FALSE => already initialized
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hr = CoInitializeSecurity(0, -1, 0, 0, RPC_C_AUTHN_LEVEL_DEFAULT, RPC_C_IMP_LEVEL_IMPERSONATE, 0, EOAC_NONE, 0);
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if(FAILED(hr))
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WARN_RETURN(ERR::_2);
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{
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IWbemLocatorPtr pLoc = 0;
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hr = CoCreateInstance(CLSID_WbemLocator, 0, CLSCTX_INPROC_SERVER, IID_IWbemLocator, (void**)&pLoc);
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if(FAILED(hr))
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WARN_RETURN(ERR::_3);
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hr = pLoc->ConnectServer(_bstr_t(L"ROOT\\CIMV2"), 0, 0, 0, 0, 0, 0, &pSvc);
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if(FAILED(hr))
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return ERR::_4; // NOWARN (happens if WMI service is disabled)
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}
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hr = CoSetProxyBlanket(pSvc, RPC_C_AUTHN_WINNT, RPC_C_AUTHZ_NONE, 0, RPC_C_AUTHN_LEVEL_CALL, RPC_C_IMP_LEVEL_IMPERSONATE, 0, EOAC_NONE);
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if(FAILED(hr))
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WARN_RETURN(ERR::_5);
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return INFO::OK;
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}
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static void Shutdown()
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{
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pSvc->Release();
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// note: don't shut down COM because other modules may still be using it.
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//CoUninitialize();
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}
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void wmi_Shutdown()
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{
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ModuleShutdown(&initState, Shutdown);
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}
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Status wmi_GetClass(const wchar_t* className, WmiMap& wmiMap)
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{
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RETURN_STATUS_IF_ERR(ModuleInit(&initState, Init));
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IEnumWbemClassObjectPtr pEnum = 0;
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wchar_t query[200];
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swprintf_s(query, ARRAY_SIZE(query), L"SELECT * FROM %ls", className);
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HRESULT hr = pSvc->ExecQuery(L"WQL", _bstr_t(query), WBEM_FLAG_FORWARD_ONLY|WBEM_FLAG_RETURN_IMMEDIATELY, 0, &pEnum);
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if(FAILED(hr))
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WARN_RETURN(ERR::FAIL);
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ENSURE(pEnum);
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for(;;)
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{
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IWbemClassObjectPtr pObj = 0;
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ULONG numReturned = 0;
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hr = pEnum->Next((LONG)WBEM_INFINITE, 1, &pObj, &numReturned);
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if(FAILED(hr))
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WARN_RETURN(ERR::FAIL);
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if(numReturned == 0)
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break;
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ENSURE(pEnum);
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pObj->BeginEnumeration(WBEM_FLAG_NONSYSTEM_ONLY);
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for(;;)
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{
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BSTR name;
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VARIANT value;
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VariantInit(&value);
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if(pObj->Next(0, &name, &value, 0, 0) != WBEM_S_NO_ERROR)
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{
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SysFreeString(name);
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break;
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}
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wmiMap[name] = value;
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SysFreeString(name);
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}
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}
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return INFO::OK;
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}
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