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diff --git a/indra/newview/llmachineid.cpp b/indra/newview/llmachineid.cpp
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+/**
+ * @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;
+}
+
+
+
+
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