/** * @file llmachineid.cpp * @brief retrieves unique machine ids * * $LicenseInfo:firstyear=2009&license=viewergpl$ * * Copyright (c) 2010, Linden Research, Inc. * * Second Life Viewer Source Code * The source code in this file ("Source Code") is provided by Linden Lab * to you under the terms of the GNU General Public License, version 2.0 * ("GPL"), unless you have obtained a separate licensing agreement * ("Other License"), formally executed by you and Linden Lab. Terms of * the GPL can be found in doc/GPL-license.txt in this distribution, or * online at http://secondlifegrid.net/programs/open_source/licensing/gplv2 * * There are special exceptions to the terms and conditions of the GPL as * it is applied to this Source Code. View the full text of the exception * in the file doc/FLOSS-exception.txt in this software distribution, or * online at * http://secondlifegrid.net/programs/open_source/licensing/flossexception * * By copying, modifying or distributing this software, you acknowledge * that you have read and understood your obligations described above, * and agree to abide by those obligations. * * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY, * COMPLETENESS OR PERFORMANCE. * $/LicenseInfo$ */ #include "llviewerprecompiledheaders.h" #include "lluuid.h" #include "llmachineid.h" #if LL_WINDOWS #define _WIN32_DCOM #include <iostream> using namespace std; #include <comdef.h> #include <Wbemidl.h> #endif unsigned char static_unique_id[] = {0,0,0,0,0,0}; bool static has_static_unique_id = false; // get an unique machine id. // NOT THREAD SAFE - do before setting up threads. // MAC Address doesn't work for Windows 7 since the first returned hardware MAC address changes with each reboot, Go figure?? S32 LLMachineID::init() { memset(static_unique_id,0,sizeof(static_unique_id)); S32 ret_code = 0; #if LL_WINDOWS # pragma comment(lib, "wbemuuid.lib") size_t len = sizeof(static_unique_id); // algorithm to detect BIOS serial number found at: // http://msdn.microsoft.com/en-us/library/aa394077%28VS.85%29.aspx // we can't use the MAC address since on Windows 7, the first returned MAC address changes with every reboot. HRESULT hres; // Step 1: -------------------------------------------------- // Initialize COM. ------------------------------------------ hres = CoInitializeEx(0, COINIT_MULTITHREADED); if (FAILED(hres)) { LL_DEBUGS("AppInit") << "Failed to initialize COM library. Error code = 0x" << hex << hres << LL_ENDL; return 1; // Program has failed. } // Step 2: -------------------------------------------------- // Set general COM security levels -------------------------- // Note: If you are using Windows 2000, you need to specify - // the default authentication credentials for a user by using // a SOLE_AUTHENTICATION_LIST structure in the pAuthList ---- // parameter of CoInitializeSecurity ------------------------ hres = CoInitializeSecurity( NULL, -1, // COM authentication NULL, // Authentication services NULL, // Reserved RPC_C_AUTHN_LEVEL_DEFAULT, // Default authentication RPC_C_IMP_LEVEL_IMPERSONATE, // Default Impersonation NULL, // Authentication info EOAC_NONE, // Additional capabilities NULL // Reserved ); if (FAILED(hres)) { LL_DEBUGS("AppInit") << "Failed to initialize security. Error code = 0x" << hex << hres << LL_ENDL; CoUninitialize(); return 1; // Program has failed. } // Step 3: --------------------------------------------------- // Obtain the initial locator to WMI ------------------------- IWbemLocator *pLoc = NULL; hres = CoCreateInstance( CLSID_WbemLocator, 0, CLSCTX_INPROC_SERVER, IID_IWbemLocator, (LPVOID *) &pLoc); if (FAILED(hres)) { LL_DEBUGS("AppInit") << "Failed to create IWbemLocator object." << " Err code = 0x" << hex << hres << LL_ENDL; CoUninitialize(); return 1; // Program has failed. } // Step 4: ----------------------------------------------------- // Connect to WMI through the IWbemLocator::ConnectServer method IWbemServices *pSvc = NULL; // Connect to the root\cimv2 namespace with // the current user and obtain pointer pSvc // to make IWbemServices calls. hres = pLoc->ConnectServer( _bstr_t(L"ROOT\\CIMV2"), // Object path of WMI namespace NULL, // User name. NULL = current user NULL, // User password. NULL = current 0, // Locale. NULL indicates current NULL, // Security flags. 0, // Authority (e.g. Kerberos) 0, // Context object &pSvc // pointer to IWbemServices proxy ); if (FAILED(hres)) { LL_DEBUGS("AppInit") << "Could not connect. Error code = 0x" << hex << hres << LL_ENDL; pLoc->Release(); CoUninitialize(); return 1; // Program has failed. } LL_DEBUGS("AppInit") << "Connected to ROOT\\CIMV2 WMI namespace" << LL_ENDL; // Step 5: -------------------------------------------------- // Set security levels on the proxy ------------------------- hres = CoSetProxyBlanket( pSvc, // Indicates the proxy to set RPC_C_AUTHN_WINNT, // RPC_C_AUTHN_xxx RPC_C_AUTHZ_NONE, // RPC_C_AUTHZ_xxx NULL, // Server principal name RPC_C_AUTHN_LEVEL_CALL, // RPC_C_AUTHN_LEVEL_xxx RPC_C_IMP_LEVEL_IMPERSONATE, // RPC_C_IMP_LEVEL_xxx NULL, // client identity EOAC_NONE // proxy capabilities ); if (FAILED(hres)) { LL_DEBUGS("AppInit") << "Could not set proxy blanket. Error code = 0x" << hex << hres << LL_ENDL; pSvc->Release(); pLoc->Release(); CoUninitialize(); return 1; // Program has failed. } // Step 6: -------------------------------------------------- // Use the IWbemServices pointer to make requests of WMI ---- // For example, get the name of the operating system IEnumWbemClassObject* pEnumerator = NULL; hres = pSvc->ExecQuery( bstr_t("WQL"), bstr_t("SELECT * FROM Win32_OperatingSystem"), WBEM_FLAG_FORWARD_ONLY | WBEM_FLAG_RETURN_IMMEDIATELY, NULL, &pEnumerator); if (FAILED(hres)) { LL_DEBUGS("AppInit") << "Query for operating system name failed." << " Error code = 0x" << hex << hres << LL_ENDL; pSvc->Release(); pLoc->Release(); CoUninitialize(); return 1; // Program has failed. } // Step 7: ------------------------------------------------- // Get the data from the query in step 6 ------------------- IWbemClassObject *pclsObj = NULL; ULONG uReturn = 0; while (pEnumerator) { HRESULT hr = pEnumerator->Next(WBEM_INFINITE, 1, &pclsObj, &uReturn); if(0 == uReturn) { break; } VARIANT vtProp; // Get the value of the Name property hr = pclsObj->Get(L"SerialNumber", 0, &vtProp, 0, 0); LL_DEBUGS("AppInit") << " Serial Number : " << vtProp.bstrVal << LL_ENDL; // use characters in the returned Serial Number to create a byte array of size len BSTR serialNumber ( vtProp.bstrVal); unsigned int j = 0; while( vtProp.bstrVal[j] != 0) { for (unsigned int i = 0; i < len; i++) { if (vtProp.bstrVal[j] == 0) break; static_unique_id[i] = (unsigned int)(static_unique_id[i] + serialNumber[j]); j++; } } VariantClear(&vtProp); pclsObj->Release(); pclsObj = NULL; break; } // Cleanup // ======== if (pSvc) pSvc->Release(); if (pLoc) pLoc->Release(); if (pEnumerator) pEnumerator->Release(); CoUninitialize(); ret_code=0; #else unsigned char * staticPtr = (unsigned char *)(&static_unique_id[0]); ret_code = LLUUID::getNodeID(staticPtr); #endif has_static_unique_id = true; return ret_code; } S32 LLMachineID::getUniqueID(unsigned char *unique_id, size_t len) { if (has_static_unique_id) { memcpy ( unique_id, &static_unique_id, len); LL_DEBUGS("AppInit") << "UniqueID: " << unique_id[0] << unique_id[1]<< unique_id[2] << unique_id[3] << unique_id[4] << unique_id [5] << LL_ENDL; return 1; } return 0; }