- char buf[39];
- DWORD size = 39;
- int idx = 0;
- HKEY top;
-
- while (RegEnumKeyEx(regkey, idx++, buf, &size, 0, NULL, NULL, NULL) != ERROR_NO_MORE_ITEMS)
- {
- size = 39;
- if (RegOpenKeyEx(regkey, buf, 0, KEY_QUERY_VALUE, &top) != ERROR_SUCCESS)
- continue;
- int rc = GetNameServer(top, key, output);
- RegCloseKey(top);
- if (rc)
- return true;
- }
- return false;
-}
-
-
-std::string FindNameServerWin()
-{
- std::string returnval = "127.0.0.1";
- HKEY top, key;
- char* dns = NULL;
-
- /* Lets see if the correct registry hive and tree exist */
- if (RegOpenKeyEx(HKEY_LOCAL_MACHINE, "System\\CurrentControlSet\\Services\\Tcpip\\Parameters", 0, KEY_READ, &top) == ERROR_SUCCESS)
- {
- /* If they do, attempt to get the nameserver name */
- RegOpenKeyEx(top, "Interfaces", 0, KEY_QUERY_VALUE|KEY_ENUMERATE_SUB_KEYS, &key);
- if ((GetNameServer(top, "NameServer", dns)) || (GetNameServer(top, "DhcpNameServer", dns))
- || (GetInterface(key, "NameServer", dns)) || (GetInterface(key, "DhcpNameServer", dns)))
- {
- if (dns)
- {
- returnval = dns;
- delete dns;
- }
- }
- RegCloseKey(key);
- RegCloseKey(top);
- }
- return returnval;
-}
-
-
-void ClearConsole()
-{
- COORD coordScreen = { 0, 0 }; /* here's where we'll home the cursor */
- HANDLE hConsole = GetStdHandle(STD_OUTPUT_HANDLE);
- DWORD cCharsWritten;
- CONSOLE_SCREEN_BUFFER_INFO csbi; /* to get buffer info */
- DWORD dwConSize; /* number of character cells in the current buffer */
-
- /* get the number of character cells in the current buffer */
-
- if (GetConsoleScreenBufferInfo( hConsole, &csbi ))
- {
- dwConSize = csbi.dwSize.X * csbi.dwSize.Y;
- /* fill the entire screen with blanks */
- if (FillConsoleOutputCharacter( hConsole, (TCHAR) ' ', dwConSize, coordScreen, &cCharsWritten ))
- {
- /* get the current text attribute */
- if (GetConsoleScreenBufferInfo( hConsole, &csbi ))
- {
- /* now set the buffer's attributes accordingly */
- if (FillConsoleOutputAttribute( hConsole, csbi.wAttributes, dwConSize, coordScreen, &cCharsWritten ))
- {
- /* put the cursor at (0, 0) */
- SetConsoleCursorPosition( hConsole, coordScreen );
- }
- }
- }
- }
- return;
-}
-
-/* Many inspircd classes contain function pointers/functors which can be changed to point at platform specific implementations
- * of code. This function, called from WindowsForkStart, repoints these pointers and functors so that calls are windows
- * specific.
- */
-void ChangeWindowsSpecificPointers(InspIRCd* Instance)
-{
- Instance->Config->DNSServerValidator = &ValidateWindowsDnsServer;
-}
-
-DWORD WindowsForkStart(InspIRCd* Instance)
-{
- /* See the function declaration above */
- ChangeWindowsSpecificPointers(Instance);
-
- /* 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()->Log(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(','));
- data.Set(nameserver.c_str());
- conf->GetInstance()->Log(DEFAULT,"<dns:server> set to '%s' as first active resolver in registry.", nameserver.c_str());
- }
- return true;