1 /******************************************************************************
3 * Copyright (C) 2012-2015 Icinga Development Team (http://www.icinga.org) *
5 * This program is free software; you can redistribute it and/or *
6 * modify it under the terms of the GNU General Public License *
7 * as published by the Free Software Foundation; either version 2 *
8 * of the License, or (at your option) any later version. *
10 * This program is distributed in the hope that it will be useful, *
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
13 * GNU General Public License for more details. *
15 * You should have received a copy of the GNU General Public License *
16 * along with this program; if not, write to the Free Software Foundation *
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. *
18 ******************************************************************************/
20 #include "cli/clicommand.hpp"
21 #include "config/configcompilercontext.hpp"
22 #include "config/configcompiler.hpp"
23 #include "config/configitembuilder.hpp"
24 #include "base/application.hpp"
25 #include "base/logger.hpp"
26 #include "base/timer.hpp"
27 #include "base/utility.hpp"
28 #include "base/loader.hpp"
29 #include "base/exception.hpp"
30 #include "base/convert.hpp"
31 #include "base/scriptglobal.hpp"
32 #include "base/context.hpp"
33 #include "base/console.hpp"
35 #include <boost/program_options.hpp>
36 #include <boost/tuple/tuple.hpp>
37 #include <boost/foreach.hpp>
40 # include <sys/types.h>
45 using namespace icinga;
46 namespace po = boost::program_options;
49 static SERVICE_STATUS l_SvcStatus;
50 static SERVICE_STATUS_HANDLE l_SvcStatusHandle;
54 static std::vector<String> GetLogLevelCompletionSuggestions(const String& arg)
56 std::vector<String> result;
58 String debugLevel = "debug";
59 if (debugLevel.Find(arg) == 0)
60 result.push_back(debugLevel);
62 String noticeLevel = "notice";
63 if (noticeLevel.Find(arg) == 0)
64 result.push_back(noticeLevel);
66 String informationLevel = "information";
67 if (informationLevel.Find(arg) == 0)
68 result.push_back(informationLevel);
70 String warningLevel = "warning";
71 if (warningLevel.Find(arg) == 0)
72 result.push_back(warningLevel);
74 String criticalLevel = "critical";
75 if (criticalLevel.Find(arg) == 0)
76 result.push_back(criticalLevel);
81 static std::vector<String> GlobalArgumentCompletion(const String& argument, const String& word)
83 if (argument == "include")
84 return GetBashCompletionSuggestions("directory", word);
85 else if (argument == "log-level")
86 return GetLogLevelCompletionSuggestions(word);
88 return std::vector<String>();
93 int argc = Application::GetArgC();
94 char **argv = Application::GetArgV();
96 bool autocomplete = false;
99 if (argc >= 4 && strcmp(argv[1], "--autocomplete") == 0) {
103 autoindex = Convert::ToLong(argv[2]);
104 } catch (const std::invalid_argument& ex) {
105 Log(LogCritical, "icinga-app")
106 << "Invalid index for --autocomplete: " << argv[2];
114 Application::SetStartTime(Utility::GetTime());
117 Application::SetResourceLimits();
119 /* Set thread title. */
120 Utility::SetThreadName("Main Thread", false);
122 /* Install exception handlers to make debugging easier. */
123 Application::InstallExceptionHandlers();
126 bool builtinPaths = true;
129 if (RegOpenKeyEx(HKEY_LOCAL_MACHINE, "SOFTWARE\\Icinga Development Team\\ICINGA2", 0,
130 KEY_QUERY_VALUE, &hKey) == ERROR_SUCCESS) {
131 BYTE pvData[MAX_PATH];
132 DWORD cbData = sizeof(pvData)-1;
134 if (RegQueryValueEx(hKey, NULL, NULL, &lType, pvData, &cbData) == ERROR_SUCCESS && lType == REG_SZ) {
135 pvData[cbData] = '\0';
137 String prefix = (char *)pvData;
138 Application::DeclarePrefixDir(prefix);
139 Application::DeclareSysconfDir(prefix + "\\etc");
140 Application::DeclareRunDir(prefix + "\\var\\run");
141 Application::DeclareLocalStateDir(prefix + "\\var");
142 Application::DeclarePkgDataDir(prefix + "\\share\\icinga2");
143 Application::DeclareIncludeConfDir(prefix + "\\share\\icinga2\\include");
145 builtinPaths = false;
152 Log(LogWarning, "icinga-app", "Registry key could not be read. Falling back to built-in paths.");
155 Application::DeclarePrefixDir(ICINGA_PREFIX);
156 Application::DeclareSysconfDir(ICINGA_SYSCONFDIR);
157 Application::DeclareRunDir(ICINGA_RUNDIR);
158 Application::DeclareLocalStateDir(ICINGA_LOCALSTATEDIR);
159 Application::DeclarePkgDataDir(ICINGA_PKGDATADIR);
160 Application::DeclareIncludeConfDir(ICINGA_INCLUDECONFDIR);
165 Application::DeclareZonesDir(Application::GetSysconfDir() + "/icinga2/zones.d");
166 Application::DeclareRunAsUser(ICINGA_USER);
167 Application::DeclareRunAsGroup(ICINGA_GROUP);
168 Application::DeclareConcurrency(boost::thread::hardware_concurrency());
170 if (!ScriptGlobal::Exists("UseVfork"))
172 ScriptGlobal::Set("UseVfork", false);
173 #else /* __APPLE__ */
174 ScriptGlobal::Set("UseVfork", true);
175 #endif /* __APPLE__ */
177 ScriptGlobal::Set("AttachDebugger", false);
179 LogSeverity logLevel = Logger::GetConsoleLogSeverity();
180 Logger::SetConsoleLogSeverity(LogWarning);
182 Loader::LoadExtensionLibrary("cli");
184 po::options_description visibleDesc("Global options");
186 visibleDesc.add_options()
187 ("help,h", "show this help message")
188 ("version,V", "show version information")
190 ("color", "use VT100 color codes even when stdout is not a terminal")
192 ("define,D", po::value<std::vector<std::string> >(), "define a constant")
193 ("app,a", po::value<std::string>(), "application library name (default: icinga)")
194 ("library,l", po::value<std::vector<std::string> >(), "load a library")
195 ("include,I", po::value<std::vector<std::string> >(), "add include search directory")
196 ("log-level,x", po::value<std::string>(), "specify the log level for the console log.\n"
197 "The valid value is either debug, notice, information (default), warning, or critical")
198 ("script-debugger,X", "whether to enable the script debugger");
200 po::options_description hiddenDesc("Hidden options");
202 hiddenDesc.add_options()
204 ("no-stack-rlimit", "used internally, do not specify manually")
206 ("no-stack-rlimit", "used internally, do not specify manually")
208 ("arg", po::value<std::vector<std::string> >(), "positional argument");
210 po::positional_options_description positionalDesc;
211 positionalDesc.add("arg", -1);
214 CLICommand::Ptr command;
215 po::variables_map vm;
218 CLICommand::ParseCommand(argc, argv, visibleDesc, hiddenDesc, positionalDesc,
219 vm, cmdname, command, autocomplete);
220 } catch (const std::exception& ex) {
221 Log(LogCritical, "icinga-app")
222 << "Error while parsing command-line options: " << ex.what();
226 String initconfig = Application::GetSysconfDir() + "/icinga2/init.conf";
228 if (Utility::PathExists(initconfig)) {
229 Expression *expression;
231 expression = ConfigCompiler::CompileFile(initconfig);
234 expression->Evaluate(frame);
235 } catch (const std::exception& ex) {
238 Log(LogCritical, "config", DiagnosticInformation(ex));
246 if (vm.count("color")) {
247 Console::SetType(std::cout, Console_VT100);
248 Console::SetType(std::cerr, Console_VT100);
252 if (vm.count("define")) {
253 BOOST_FOREACH(const String& define, vm["define"].as<std::vector<std::string> >()) {
255 size_t pos = define.FindFirstOf('=');
256 if (pos != String::NPos) {
257 key = define.SubStr(0, pos);
258 value = define.SubStr(pos + 1);
263 ScriptGlobal::Set(key, value);
267 if (vm.count("script-debugger"))
268 Application::SetScriptDebuggerEnabled(true);
270 Application::DeclareStatePath(Application::GetLocalStateDir() + "/lib/icinga2/icinga2.state");
271 Application::DeclareModAttrPath(Application::GetLocalStateDir() + "/lib/icinga2/modified-attributes.conf");
272 Application::DeclareObjectsPath(Application::GetLocalStateDir() + "/cache/icinga2/icinga2.debug");
273 Application::DeclareVarsPath(Application::GetLocalStateDir() + "/cache/icinga2/icinga2.vars");
274 Application::DeclarePidPath(Application::GetRunDir() + "/icinga2/icinga2.pid");
276 ConfigCompiler::AddIncludeSearchDir(Application::GetIncludeConfDir());
278 if (!autocomplete && vm.count("include")) {
279 BOOST_FOREACH(const String& includePath, vm["include"].as<std::vector<std::string> >()) {
280 ConfigCompiler::AddIncludeSearchDir(includePath);
285 Logger::SetConsoleLogSeverity(logLevel);
287 if (vm.count("log-level")) {
288 String severity = vm["log-level"].as<std::string>();
290 LogSeverity logLevel = LogInformation;
292 logLevel = Logger::StringToSeverity(severity);
293 } catch (std::exception&) {
294 /* Inform user and exit */
295 Log(LogCritical, "icinga-app", "Invalid log level set. Default is 'information'.");
299 Logger::SetConsoleLogSeverity(logLevel);
302 if (vm.count("library")) {
303 BOOST_FOREACH(const String& libraryName, vm["library"].as<std::vector<std::string> >()) {
305 (void) Loader::LoadExtensionLibrary(libraryName);
306 } catch (const std::exception& ex) {
307 Log(LogCritical, "icinga-app")
308 << "Could not load library \"" << libraryName << "\": " << DiagnosticInformation(ex);
314 if (!command || vm.count("help") || vm.count("version")) {
318 appName = Utility::BaseName(Application::GetArgV()[0]);
319 } catch (const std::bad_alloc&) {
320 Log(LogCritical, "icinga-app", "Allocation failed.");
324 if (appName.GetLength() > 3 && appName.SubStr(0, 3) == "lt-")
325 appName = appName.SubStr(3, appName.GetLength() - 3);
327 std::cout << appName << " " << "- The Icinga 2 network monitoring daemon (version: "
328 << ConsoleColorTag(vm.count("version") ? Console_ForegroundRed : Console_Normal)
329 << Application::GetAppVersion()
332 #endif /* I2_DEBUG */
333 << ConsoleColorTag(Console_Normal)
334 << ")" << std::endl << std::endl;
336 if ((!command || vm.count("help")) && !vm.count("version")) {
337 std::cout << "Usage:" << std::endl
338 << " " << argv[0] << " ";
340 if (cmdname.IsEmpty())
341 std::cout << "<command>";
343 std::cout << cmdname;
345 std::cout << " [<arguments>]" << std::endl;
348 std::cout << std::endl
349 << command->GetDescription() << std::endl;
353 if (vm.count("version")) {
354 std::cout << "Copyright (c) 2012-2015 Icinga Development Team (https://www.icinga.org)" << std::endl
355 << "License GPLv2+: GNU GPL version 2 or later <http://gnu.org/licenses/gpl2.html>" << std::endl
356 << "This is free software: you are free to change and redistribute it." << std::endl
357 << "There is NO WARRANTY, to the extent permitted by law.";
360 std::cout << std::endl;
362 if (vm.count("version")) {
363 std::cout << std::endl;
365 Application::DisplayInfoMessage(std::cout, true);
371 if (!command || vm.count("help")) {
373 CLICommand::ShowCommands(argc, argv, NULL);
375 std::cout << visibleDesc << std::endl
376 << "Report bugs at <https://dev.icinga.org/>" << std::endl
377 << "Icinga home page: <https://www.icinga.org/>" << std::endl;
385 CLICommand::ShowCommands(argc, argv, &visibleDesc, &hiddenDesc,
386 &GlobalArgumentCompletion, true, autoindex);
388 } else if (command) {
389 Logger::DisableTimestamp(true);
391 if (command->GetImpersonationLevel() == ImpersonateRoot) {
393 Log(LogCritical, "cli", "This command must be run as root.");
396 } else if (command && command->GetImpersonationLevel() == ImpersonateIcinga) {
397 String group = Application::GetRunAsGroup();
398 String user = Application::GetRunAsUser();
401 struct group *gr = getgrnam(group.CStr());
405 Log(LogCritical, "cli")
406 << "Invalid group specified: " << group;
409 Log(LogCritical, "cli")
410 << "getgrnam() failed with error code " << errno << ", \"" << Utility::FormatErrorNumber(errno) << "\"";
415 if (getgid() != gr->gr_gid) {
416 if (!vm.count("reload-internal") && setgroups(0, NULL) < 0) {
417 Log(LogCritical, "cli")
418 << "setgroups() failed with error code " << errno << ", \"" << Utility::FormatErrorNumber(errno) << "\"";
419 Log(LogCritical, "cli")
420 << "Please re-run this command as a privileged user or using the \"" << user << "\" account.";
424 if (setgid(gr->gr_gid) < 0) {
425 Log(LogCritical, "cli")
426 << "setgid() failed with error code " << errno << ", \"" << Utility::FormatErrorNumber(errno) << "\"";
432 struct passwd *pw = getpwnam(user.CStr());
436 Log(LogCritical, "cli")
437 << "Invalid user specified: " << user;
440 Log(LogCritical, "cli")
441 << "getpwnam() failed with error code " << errno << ", \"" << Utility::FormatErrorNumber(errno) << "\"";
446 // also activate the additional groups the configured user is member of
447 if (getuid() != pw->pw_uid) {
448 if (!vm.count("reload-internal") && initgroups(user.CStr(), pw->pw_gid) < 0) {
449 Log(LogCritical, "cli")
450 << "initgroups() failed with error code " << errno << ", \"" << Utility::FormatErrorNumber(errno) << "\"";
451 Log(LogCritical, "cli")
452 << "Please re-run this command as a privileged user or using the \"" << user << "\" account.";
456 if (setuid(pw->pw_uid) < 0) {
457 Log(LogCritical, "cli")
458 << "setuid() failed with error code " << errno << ", \"" << Utility::FormatErrorNumber(errno) << "\"";
459 Log(LogCritical, "cli")
460 << "Please re-run this command as a privileged user or using the \"" << user << "\" account.";
467 std::vector<std::string> args;
469 args = vm["arg"].as<std::vector<std::string> >();
471 if (args.size() < command->GetMinArguments()) {
472 Log(LogCritical, "cli")
473 << "Too few arguments. Command needs at least " << command->GetMinArguments()
474 << " argument" << (command->GetMinArguments() != 1 ? "s" : "") << ".";
478 if (command->GetMaxArguments() >= 0 && args.size() > command->GetMaxArguments()) {
479 Log(LogCritical, "cli")
480 << "Too many arguments. At most " << command->GetMaxArguments()
481 << " argument" << (command->GetMaxArguments() != 1 ? "s" : "") << " may be specified.";
485 LogSeverity logLevel = Logger::GetConsoleLogSeverity();
486 Logger::SetConsoleLogSeverity(LogWarning);
489 Loader::LoadExtensionLibrary(vm["app"].as<std::string>());
491 Loader::LoadExtensionLibrary("icinga");
493 Logger::SetConsoleLogSeverity(logLevel);
495 rc = command->Run(vm, args);
502 static int SetupService(bool install, int argc, char **argv)
504 SC_HANDLE schSCManager = OpenSCManager(
507 SC_MANAGER_ALL_ACCESS);
509 if (NULL == schSCManager) {
510 printf("OpenSCManager failed (%d)\n", GetLastError());
514 TCHAR szPath[MAX_PATH];
516 if (!GetModuleFileName(NULL, szPath, MAX_PATH)) {
517 printf("Cannot install service (%d)\n", GetLastError());
522 szArgs = Utility::EscapeShellArg(szPath) + " --scm";
524 for (int i = 0; i < argc; i++)
525 szArgs += " " + Utility::EscapeShellArg(argv[i]);
527 SC_HANDLE schService = OpenService(schSCManager, "icinga2", SERVICE_ALL_ACCESS);
529 if (schService != NULL) {
530 SERVICE_STATUS status;
531 ControlService(schService, SERVICE_CONTROL_STOP, &status);
533 double start = Utility::GetTime();
534 while (status.dwCurrentState != SERVICE_STOPPED) {
535 double end = Utility::GetTime();
537 if (end - start > 30) {
538 printf("Could not stop the service.\n");
544 if (!QueryServiceStatus(schService, &status)) {
545 printf("QueryServiceStatus failed (%d)\n", GetLastError());
549 } else if (install) {
550 schService = CreateService(
555 SERVICE_WIN32_OWN_PROCESS,
556 SERVICE_DEMAND_START,
557 SERVICE_ERROR_NORMAL,
562 "NT AUTHORITY\\NetworkService",
565 if (schService == NULL) {
566 printf("CreateService failed (%d)\n", GetLastError());
567 CloseServiceHandle(schSCManager);
571 printf("Service isn't installed.\n");
572 CloseServiceHandle(schSCManager);
577 if (!DeleteService(schService)) {
578 printf("DeleteService failed (%d)\n", GetLastError());
579 CloseServiceHandle(schService);
580 CloseServiceHandle(schSCManager);
584 printf("Service uninstalled successfully\n");
586 ChangeServiceConfig(schService, SERVICE_NO_CHANGE, SERVICE_AUTO_START,
587 SERVICE_ERROR_NORMAL, szArgs.CStr(), NULL, NULL, NULL, NULL, NULL, NULL);
589 SERVICE_DESCRIPTION sdDescription = { "The Icinga 2 monitoring application" };
590 ChangeServiceConfig2(schService, SERVICE_CONFIG_DESCRIPTION, &sdDescription);
592 if (!StartService(schService, 0, NULL)) {
593 printf("StartService failed (%d)\n", GetLastError());
594 CloseServiceHandle(schService);
595 CloseServiceHandle(schSCManager);
599 printf("Service installed successfully\n");
602 CloseServiceHandle(schService);
603 CloseServiceHandle(schSCManager);
608 VOID ReportSvcStatus(DWORD dwCurrentState,
609 DWORD dwWin32ExitCode,
612 static DWORD dwCheckPoint = 1;
614 l_SvcStatus.dwCurrentState = dwCurrentState;
615 l_SvcStatus.dwWin32ExitCode = dwWin32ExitCode;
616 l_SvcStatus.dwWaitHint = dwWaitHint;
618 if (dwCurrentState == SERVICE_START_PENDING)
619 l_SvcStatus.dwControlsAccepted = 0;
621 l_SvcStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP;
623 if ((dwCurrentState == SERVICE_RUNNING) ||
624 (dwCurrentState == SERVICE_STOPPED))
625 l_SvcStatus.dwCheckPoint = 0;
627 l_SvcStatus.dwCheckPoint = dwCheckPoint++;
629 SetServiceStatus(l_SvcStatusHandle, &l_SvcStatus);
632 VOID WINAPI ServiceControlHandler(DWORD dwCtrl)
634 if (dwCtrl == SERVICE_CONTROL_STOP) {
635 ReportSvcStatus(SERVICE_STOP_PENDING, NO_ERROR, 0);
636 TerminateJobObject(l_Job, 0);
640 VOID WINAPI ServiceMain(DWORD argc, LPSTR *argv)
642 l_SvcStatusHandle = RegisterServiceCtrlHandler(
644 ServiceControlHandler);
646 l_SvcStatus.dwServiceType = SERVICE_WIN32_OWN_PROCESS;
647 l_SvcStatus.dwServiceSpecificExitCode = 0;
649 ReportSvcStatus(SERVICE_RUNNING, NO_ERROR, 0);
651 l_Job = CreateJobObject(NULL, NULL);
656 int uargc = Application::GetArgC();
657 char **uargv = Application::GetArgV();
659 args += Utility::EscapeShellArg(Application::GetExePath(uargv[0]));
661 for (int i = 2; i < uargc && uargv[i]; i++) {
665 args += Utility::EscapeShellArg(uargv[i]);
668 STARTUPINFO si = { sizeof(si) };
669 PROCESS_INFORMATION pi;
671 char *uargs = strdup(args.CStr());
673 BOOL res = CreateProcess(NULL, uargs, NULL, NULL, FALSE, 0, NULL, NULL, &si, &pi);
680 CloseHandle(pi.hThread);
682 AssignProcessToJobObject(l_Job, pi.hProcess);
684 if (WaitForSingleObject(pi.hProcess, INFINITE) != WAIT_OBJECT_0)
689 if (!GetExitCodeProcess(pi.hProcess, &exitStatus))
696 TerminateJobObject(l_Job, 0);
700 ReportSvcStatus(SERVICE_STOPPED, NO_ERROR, 0);
702 Application::Exit(0);
707 * Entry point for the Icinga application.
709 * @params argc Number of command line arguments.
710 * @params argv Command line arguments.
711 * @returns The application's exit status.
713 int main(int argc, char **argv)
717 if (getrlimit(RLIMIT_NOFILE, &rl) >= 0) {
718 rlim_t maxfds = rl.rlim_max;
720 if (maxfds == RLIM_INFINITY)
723 for (rlim_t i = 3; i < maxfds; i++) {
728 std::cerr << "Closed FD " << i << " which we inherited from our parent process." << std::endl;
729 #endif /* I2_DEBUG */
734 /* must be called before using any other libbase functions */
735 Application::InitializeBase();
737 /* Set command-line arguments. */
738 Application::SetArgC(argc);
739 Application::SetArgV(argv);
742 if (argc > 1 && strcmp(argv[1], "--scm-install") == 0) {
743 return SetupService(true, argc - 2, &argv[2]);
746 if (argc > 1 && strcmp(argv[1], "--scm-uninstall") == 0) {
747 return SetupService(false, argc - 2, &argv[2]);
750 if (argc > 1 && strcmp(argv[1], "--scm") == 0) {
751 SERVICE_TABLE_ENTRY dispatchTable[] = {
752 { "icinga2", ServiceMain },
756 StartServiceCtrlDispatcher(dispatchTable);
757 Application::Exit(EXIT_FAILURE);
763 Application::Exit(rc);