Ticket #5392: win32_api.hpp.#5392.patch

win32_api.hpp

@@ -160 +160 @@
 static unsigned long key_query_value    = 0x0001;
 
 //COM API
+const long RPC_C_AUTHZ_NONE_IG = 0;
+const long RPC_C_AUTHN_LEVEL_CALL_IG = 3;
 const long RPC_C_AUTHN_LEVEL_PKT_IG = 4;
+const long RPC_C_AUTHN_WINNT_IG = 10;
 const long RPC_C_IMP_LEVEL_IMPERSONATE_IG = 3;
 const long EOAC_NONE_IG = 0;
 const long CLSCTX_INPROC_SERVER_IG   = 0x1;
@@ -858 +861 @@
 extern "C" __declspec(dllimport) long __stdcall CoCreateInstance(const GUID_IG & rclsid, IUnknown_IG *pUnkOuter,
                     unsigned long dwClsContext, const GUID_IG & riid, void** ppv);
 extern "C" __declspec(dllimport) void __stdcall CoUninitialize(void);
+extern "C" __declspec(dllimport) long __stdcall CoSetProxyBlanket(
+                                                                                                        IUnknown_IG *pProxy,
+                                                                                                        DWORD dwAuthnSvc,
+                                                                                                        DWORD dwAuthzSvc,
+                                                                                                        OLECHAR *pServerPrincName,
+                                                                                                        DWORD dwAuthnLevel,
+                                                                                                        DWORD dwImpLevel,
+                                                                                                        RPC_AUTH_IDENTITY_HANDLE pAuthInfo,
+                                                                                                        DWORD dwCapabilities
+                                                                                                        );
 
 
-
 //API function typedefs
 //Pointer to functions
 typedef long (__stdcall *NtDeleteFile_t)(object_attributes_t *ObjectAttributes); 
@@ -1516 +1528 @@
 
       com_releaser<IWbemServices_IG> IWbemServices_releaser(pWbemServices);
 
+                        // addition to fix ticket #5392
+                        // @see http://support.microsoft.com/kb/948829
+                        // @see http://msdn.microsoft.com/en-us/library/ms692692%28v=vs.85%29.aspx                      
+                        // ignoring the return value, because the following lines may work anyway
+                        CoSetProxyBlanket(
+                                pWbemServices,                  // Indicates the proxy to set
+                                RPC_C_AUTHN_WINNT_IG,                                           // RPC_C_AUTHN_xxx
+                                RPC_C_AUTHZ_NONE_IG,                                            // RPC_C_AUTHZ_xxx
+                                NULL,                                                                                                           // Server principal name
+                                RPC_C_AUTHN_LEVEL_CALL_IG,                      // RPC_C_AUTHN_LEVEL_xxx
+                                RPC_C_IMP_LEVEL_IMPERSONATE_IG, // RPC_C_IMP_LEVEL_xxx
+                                NULL,                                                                                                           // client identity
+                                EOAC_NONE_IG                                                                            // proxy capabilities
+                                );
+
       strValue.clear();
       strValue += L"Select ";
       strValue += wmi_class_var;