- /* Windows implementation of fork() :P */
- if (owner_processid)
- return 0;
-
- char module[MAX_PATH];
- if(!GetModuleFileName(NULL, module, MAX_PATH))
- {
- printf("GetModuleFileName() failed.\n");
- return false;
- }
-
- STARTUPINFO startupinfo;
- PROCESS_INFORMATION procinfo;
- ZeroMemory(&startupinfo, sizeof(STARTUPINFO));
- ZeroMemory(&procinfo, sizeof(PROCESS_INFORMATION));
-
- // Fill in the startup info struct
- GetStartupInfo(&startupinfo);
-
- /* Default creation flags create the processes suspended */
- DWORD startupflags = CREATE_SUSPENDED;
-
- /* On windows 2003/XP and above, we can use the value
- * CREATE_PRESERVE_CODE_AUTHZ_LEVEL which gives more access
- * to the process which we may require on these operating systems.
- */
- OSVERSIONINFO vi;
- vi.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
- GetVersionEx(&vi);
- if ((vi.dwMajorVersion >= 5) && (vi.dwMinorVersion > 0))
- startupflags |= CREATE_PRESERVE_CODE_AUTHZ_LEVEL;
-
- // Launch our "forked" process.
- BOOL bSuccess = CreateProcess ( module, // Module (exe) filename
- strdup(GetCommandLine()), // Command line (exe plus parameters from the OS)
- // NOTE: We cannot return the direct value of the
- // GetCommandLine function here, as the pointer is
- // passed straight to the child process, and will be
- // invalid once we exit as it goes out of context.
- // strdup() seems ok, though.
- 0, // PROCESS_SECURITY_ATTRIBUTES
- 0, // THREAD_SECURITY_ATTRIBUTES
- TRUE, // We went to inherit handles.
- startupflags, // Allow us full access to the process and suspend it.
- 0, // ENVIRONMENT
- 0, // CURRENT_DIRECTORY
- &startupinfo, // startup info
- &procinfo); // process info
-
- if(!bSuccess)
- {
- printf("CreateProcess() error: %s\n", dlerror());
- return false;
- }
-
- // Set the owner process id in the target process.
- SIZE_T written = 0;
- DWORD pid = GetCurrentProcessId();
- if(!WriteProcessMemory(procinfo.hProcess, &owner_processid, &pid, sizeof(DWORD), &written) || written != sizeof(DWORD))
- {
- printf("WriteProcessMemory() failed: %s\n", dlerror());
- return false;
- }
-
- // Resume the other thread (let it start)
- ResumeThread(procinfo.hThread);
-
- // Wait for the new process to kill us. If there is some error, the new process will end and we will end up at the next line.
- WaitForSingleObject(procinfo.hProcess, INFINITE);
-
- // If we hit this it means startup failed, default to 14 if this fails.
- DWORD ExitCode = 14;
- GetExitCodeProcess(procinfo.hProcess, &ExitCode);
- CloseHandle(procinfo.hThread);
- CloseHandle(procinfo.hProcess);
- return ExitCode;
-}
-
-void WindowsForkKillOwner(InspIRCd * Instance)
-{
- HANDLE hProcess = OpenProcess(PROCESS_TERMINATE, FALSE, owner_processid);
- if(!hProcess || !owner_processid)
- {
- printf("Could not open process id %u: %s.\n", owner_processid, dlerror());
- Instance->Exit(14);
- }
-
- // die die die
- if(!TerminateProcess(hProcess, 0))
- {
- printf("Could not TerminateProcess(): %s\n", dlerror());
- Instance->Exit(14);
- }
-
- CloseHandle(hProcess);
-}
-
-bool ValidateWindowsDnsServer(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
-{
- if (!*(data.GetString()))
- {
- std::string nameserver;
- conf->GetInstance()->Logs->Log("win32",DEFAULT,"WARNING: <dns:server> not defined, attempting to find working server in the registry...");
- nameserver = FindNameServerWin();
- /* Windows stacks multiple nameservers in one registry key, seperated by commas.
- * Spotted by Cataclysm.
- */
- if (nameserver.find(',') != std::string::npos)
- nameserver = nameserver.substr(0, nameserver.find(','));
- /* Just to be FUCKING AKWARD, windows fister... err i mean vista...
- * seperates the nameservers with spaces instead.
- */
- if (nameserver.find(' ') != std::string::npos)
- nameserver = nameserver.substr(0, nameserver.find(' '));
- data.Set(nameserver.c_str());
- conf->GetInstance()->Logs->Log("win32",DEFAULT,"<dns:server> set to '%s' as first active resolver in registry.", nameserver.c_str());
- }
- return true;
-}
-
-int gettimeofday(struct timeval * tv, void * tz)
-{
- if(tv == NULL)
- return -1;
-
- DWORD mstime = timeGetTime();
- tv->tv_sec = time(NULL);
- tv->tv_usec = (mstime - (tv->tv_sec * 1000)) * 1000;
- return 0;
-}
-
-/* Initialise WMI. Microsoft have the silliest ideas about easy ways to
- * obtain the CPU percentage of a running process!
- * The whole API for this uses evil DCOM and is entirely unicode, giving
- * all results and accepting queries as wide strings.
- */
-bool initwmi()
-{
- HRESULT hres;
-
- /* Initialise COM. This can kill babies. */
- hres = CoInitializeEx(0, COINIT_MULTITHREADED);
- if (FAILED(hres))
- return false;
-
- /* COM security. This stuff kills kittens */
- hres = CoInitializeSecurity(NULL, -1, NULL, NULL, RPC_C_AUTHN_LEVEL_DEFAULT,
- RPC_C_IMP_LEVEL_IMPERSONATE, NULL, EOAC_NONE, NULL);
-
- if (FAILED(hres))
- {
- CoUninitialize();
- return false;
- }
-
- /* Instance to COM object */
- pLoc = NULL;
- hres = CoCreateInstance(CLSID_WbemLocator, 0, CLSCTX_INPROC_SERVER, IID_IWbemLocator, (LPVOID*)&pLoc);
-
- if (FAILED(hres))
- {
- CoUninitialize();
- return false;
- }
-
- pSvc = NULL;
-
- /* Connect to DCOM server */
- hres = pLoc->ConnectServer(_bstr_t(L"ROOT\\CIMV2"), NULL, NULL, 0, NULL, 0, 0, &pSvc);
-
- /* That didn't work, maybe no kittens found to kill? */
- if (FAILED(hres))
- {
- pLoc->Release();
- CoUninitialize();
- return false;
- }
-
- /* Don't even ASK what this does. I'm still not too sure myself. */
- hres = CoSetProxyBlanket(pSvc, RPC_C_AUTHN_WINNT, RPC_C_AUTHZ_NONE, NULL, RPC_C_AUTHN_LEVEL_CALL,
- RPC_C_IMP_LEVEL_IMPERSONATE, NULL, EOAC_NONE);
-
- if (FAILED(hres))
- {
- pSvc->Release();
- pLoc->Release();
- CoUninitialize();
- return false;
- }
- return true;
-}
-
-void donewmi()
-{
- pSvc->Release();
- pLoc->Release();
- CoUninitialize();
-}
-
-/* Return the CPU usage in percent of this process */
-int getcpu()
-{
- HRESULT hres;
- int cpu = -1;
-
- /* Use WQL, similar to SQL, to construct a query that lists the cpu usage and pid of all processes */
- IEnumWbemClassObject* pEnumerator = NULL;
-
- BSTR Language = SysAllocString(L"WQL");
- BSTR Query = SysAllocString(L"Select PercentProcessorTime,IDProcess from Win32_PerfFormattedData_PerfProc_Process");
-
- hres = pSvc->ExecQuery(Language, Query, WBEM_FLAG_FORWARD_ONLY | WBEM_FLAG_RETURN_IMMEDIATELY, NULL, &pEnumerator);
-
- /* Query didn't work */
- if (!FAILED(hres))
- {
- IWbemClassObject *pclsObj = NULL;
- ULONG uReturn = 0;
-
- /* Iterate the query results */
- while (pEnumerator)
- {
- VARIANT vtProp;
- /* Next item */
- HRESULT hr = pEnumerator->Next(WBEM_INFINITE, 1, &pclsObj, &uReturn);
-
- /* No more items left */
- if (uReturn == 0)
- break;
-
- /* Find process ID */
- hr = pclsObj->Get(L"IDProcess", 0, &vtProp, 0, 0);
- if (!FAILED(hr))
- {
- /* Matches our process ID? */
- if (vtProp.uintVal == GetCurrentProcessId())
- {
- VariantClear(&vtProp);
- /* Get CPU percentage for this process */
- hr = pclsObj->Get(L"PercentProcessorTime", 0, &vtProp, 0, 0);
- if (!FAILED(hr))
- {
- /* Deal with wide string ickyness. Who in their right
- * mind puts a number in a bstrVal wide string item?!
- */
- VariantClear(&vtProp);
- cpu = 0;
- std::wstringstream out(vtProp.bstrVal);
- out >> cpu;
- break;
- }
- }
- }
- }
-
- pEnumerator->Release();
- pclsObj->Release();
- }
-
- SysFreeString(Language);
- SysFreeString(Query);
-
- return cpu;
-}
-
-void usleep(unsigned long usecs)
-{
- if (usecs > 0UL)
- {
- unsigned long millis = ((usecs + 999UL) / 1000UL);
- SleepEx(millis, false);
- }