granicus.if.org Git - icinga2/blob - icinga-app/icinga.cpp

   1 /******************************************************************************
   2  * Icinga 2                                                                   *
   3  * Copyright (C) 2012-2015 Icinga Development Team (http://www.icinga.org)    *
   4  *                                                                            *
   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.                     *
   9  *                                                                            *
  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.                               *
  14  *                                                                            *
  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  ******************************************************************************/
  19
  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"
  34 #include "config.h"
  35 #include <boost/program_options.hpp>
  36 #include <boost/tuple/tuple.hpp>
  37 #include <boost/foreach.hpp>
  38
  39 #ifndef _WIN32
  40 #       include <sys/types.h>
  41 #       include <pwd.h>
  42 #       include <grp.h>
  43 #endif /* _WIN32 */
  44
  45 using namespace icinga;
  46 namespace po = boost::program_options;
  47
  48 #ifdef _WIN32
  49 SERVICE_STATUS l_SvcStatus;
  50 SERVICE_STATUS_HANDLE l_SvcStatusHandle;
  51 #endif /* _WIN32 */
  52
  53 static std::vector<String> GetLogLevelCompletionSuggestions(const String& arg)
  54 {
  55         std::vector<String> result;
  56
  57         String debugLevel = "debug";
  58         if (debugLevel.Find(arg) == 0)
  59                 result.push_back(debugLevel);
  60
  61         String noticeLevel = "notice";
  62         if (noticeLevel.Find(arg) == 0)
  63                 result.push_back(noticeLevel);
  64
  65         String informationLevel = "information";
  66         if (informationLevel.Find(arg) == 0)
  67                 result.push_back(informationLevel);
  68
  69         String warningLevel = "warning";
  70         if (warningLevel.Find(arg) == 0)
  71                 result.push_back(warningLevel);
  72
  73         String criticalLevel = "critical";
  74         if (criticalLevel.Find(arg) == 0)
  75                 result.push_back(criticalLevel);
  76
  77         return result;
  78 }
  79
  80 static std::vector<String> GlobalArgumentCompletion(const String& argument, const String& word)
  81 {
  82         if (argument == "include")
  83                 return GetBashCompletionSuggestions("directory", word);
  84         else if (argument == "log-level")
  85                 return GetLogLevelCompletionSuggestions(word);
  86         else
  87                 return std::vector<String>();
  88 }
  89
  90 int Main(void)
  91 {
  92         int argc = Application::GetArgC();
  93         char **argv = Application::GetArgV();
  94
  95         bool autocomplete = false;
  96         int autoindex = 0;
  97
  98         if (argc >= 4 && strcmp(argv[1], "--autocomplete") == 0) {
  99                 autocomplete = true;
 100
 101                 try {
 102                         autoindex = Convert::ToLong(argv[2]);
 103                 } catch (const std::invalid_argument& ex) {
 104                         Log(LogCritical, "icinga-app")
 105                             << "Invalid index for --autocomplete: " << argv[2];
 106                         return EXIT_FAILURE;
 107                 }
 108
 109                 argc -= 3;
 110                 argv += 3;
 111         }
 112
 113         Application::SetStartTime(Utility::GetTime());
 114
 115         if (!autocomplete)
 116                 Application::SetResourceLimits();
 117
 118         /* Set thread title. */
 119         Utility::SetThreadName("Main Thread", false);
 120
 121         /* Install exception handlers to make debugging easier. */
 122         Application::InstallExceptionHandlers();
 123
 124 #ifdef _WIN32
 125         bool builtinPaths = true;
 126
 127         HKEY hKey;
 128         if (RegOpenKeyEx(HKEY_LOCAL_MACHINE, "SOFTWARE\\Icinga Development Team\\ICINGA2", 0,
 129             KEY_QUERY_VALUE, &hKey) == ERROR_SUCCESS) {
 130                 BYTE pvData[MAX_PATH];
 131                 DWORD cbData = sizeof(pvData)-1;
 132                 DWORD lType;
 133                 if (RegQueryValueEx(hKey, NULL, NULL, &lType, pvData, &cbData) == ERROR_SUCCESS && lType == REG_SZ) {
 134                         pvData[cbData] = '\0';
 135
 136                         String prefix = (char *)pvData;
 137                         Application::DeclarePrefixDir(prefix);
 138                         Application::DeclareSysconfDir(prefix + "\\etc");
 139                         Application::DeclareRunDir(prefix + "\\var\\run");
 140                         Application::DeclareLocalStateDir(prefix + "\\var");
 141                         Application::DeclarePkgDataDir(prefix + "\\share\\icinga2");
 142                         Application::DeclareIncludeConfDir(prefix + "\\share\\icinga2\\include");
 143
 144                         builtinPaths = false;
 145                 }
 146
 147                 RegCloseKey(hKey);
 148         }
 149
 150         if (builtinPaths) {
 151                 Log(LogWarning, "icinga-app", "Registry key could not be read. Falling back to built-in paths.");
 152
 153 #endif /* _WIN32 */
 154                 Application::DeclarePrefixDir(ICINGA_PREFIX);
 155                 Application::DeclareSysconfDir(ICINGA_SYSCONFDIR);
 156                 Application::DeclareRunDir(ICINGA_RUNDIR);
 157                 Application::DeclareLocalStateDir(ICINGA_LOCALSTATEDIR);
 158                 Application::DeclarePkgDataDir(ICINGA_PKGDATADIR);
 159                 Application::DeclareIncludeConfDir(ICINGA_INCLUDECONFDIR);
 160 #ifdef _WIN32
 161         }
 162 #endif /* _WIN32 */
 163
 164         Application::DeclareZonesDir(Application::GetSysconfDir() + "/icinga2/zones.d");
 165         Application::DeclareRunAsUser(ICINGA_USER);
 166         Application::DeclareRunAsGroup(ICINGA_GROUP);
 167         Application::DeclareConcurrency(boost::thread::hardware_concurrency());
 168
 169         if (!ScriptGlobal::Exists("UseVfork"))
 170 #ifdef __APPLE__
 171                 ScriptGlobal::Set("UseVfork", false);
 172 #else /* __APPLE__ */
 173                 ScriptGlobal::Set("UseVfork", true);
 174 #endif /* __APPLE__ */
 175
 176         LogSeverity logLevel = Logger::GetConsoleLogSeverity();
 177         Logger::SetConsoleLogSeverity(LogWarning);
 178
 179         Loader::LoadExtensionLibrary("cli");
 180
 181         po::options_description visibleDesc("Global options");
 182
 183         visibleDesc.add_options()
 184                 ("help,h", "show this help message")
 185                 ("version,V", "show version information")
 186 #ifndef _WIN32
 187                 ("color", "use VT100 color codes even when stdout is not a terminal")
 188 #endif /* _WIN32 */
 189                 ("define,D", po::value<std::vector<std::string> >(), "define a constant")
 190                 ("app,a", po::value<std::string>(), "application library name (default: icinga)")
 191                 ("library,l", po::value<std::vector<std::string> >(), "load a library")
 192                 ("include,I", po::value<std::vector<std::string> >(), "add include search directory")
 193                 ("log-level,x", po::value<std::string>(), "specify the log level for the console log");
 194
 195         po::options_description hiddenDesc("Hidden options");
 196
 197         hiddenDesc.add_options()
 198 #ifndef _WIN32
 199                 ("no-stack-rlimit", "used internally, do not specify manually")
 200 #else /* _WIN32 */
 201                 ("no-stack-rlimit", "used internally, do not specify manually")
 202 #endif /* _WIN32 */
 203                 ("arg", po::value<std::vector<std::string> >(), "positional argument");
 204
 205         po::positional_options_description positionalDesc;
 206         positionalDesc.add("arg", -1);
 207
 208         String cmdname;
 209         CLICommand::Ptr command;
 210         po::variables_map vm;
 211
 212         try {
 213                 CLICommand::ParseCommand(argc, argv, visibleDesc, hiddenDesc, positionalDesc,
 214                     vm, cmdname, command, autocomplete);
 215         } catch (const std::exception& ex) {
 216                 Log(LogCritical, "icinga-app")
 217                     << "Error while parsing command-line options: " << ex.what();
 218                 return EXIT_FAILURE;
 219         }
 220
 221         String initconfig = Application::GetSysconfDir() + "/icinga2/init.conf";
 222
 223         if (Utility::PathExists(initconfig)) {
 224                 Expression *expression;
 225                 try {
 226                         expression = ConfigCompiler::CompileFile(initconfig);
 227
 228                         ScriptFrame frame;
 229                         expression->Evaluate(frame);
 230                 } catch (const std::exception& ex) {
 231                         delete expression;
 232
 233                         Log(LogCritical, "config", DiagnosticInformation(ex));
 234                         return EXIT_FAILURE;
 235                 }
 236
 237                 delete expression;
 238         }
 239
 240 #ifndef _WIN32
 241         if (vm.count("color")) {
 242                 Console::SetType(std::cout, Console_VT100);
 243                 Console::SetType(std::cerr, Console_VT100);
 244         }
 245 #endif /* _WIN32 */
 246
 247         if (vm.count("define")) {
 248                 BOOST_FOREACH(const String& define, vm["define"].as<std::vector<std::string> >()) {
 249                         String key, value;
 250                         size_t pos = define.FindFirstOf('=');
 251                         if (pos != String::NPos) {
 252                                 key = define.SubStr(0, pos);
 253                                 value = define.SubStr(pos + 1);
 254                         } else {
 255                                 key = define;
 256                                 value = "1";
 257                         }
 258                         ScriptGlobal::Set(key, value);
 259                 }
 260         }
 261
 262         Application::DeclareStatePath(Application::GetLocalStateDir() + "/lib/icinga2/icinga2.state");
 263         Application::DeclareObjectsPath(Application::GetLocalStateDir() + "/cache/icinga2/icinga2.debug");
 264         Application::DeclareVarsPath(Application::GetLocalStateDir() + "/cache/icinga2/icinga2.vars");
 265         Application::DeclarePidPath(Application::GetRunDir() + "/icinga2/icinga2.pid");
 266
 267         ConfigCompiler::AddIncludeSearchDir(Application::GetIncludeConfDir());
 268
 269         if (!autocomplete && vm.count("include")) {
 270                 BOOST_FOREACH(const String& includePath, vm["include"].as<std::vector<std::string> >()) {
 271                         ConfigCompiler::AddIncludeSearchDir(includePath);
 272                 }
 273         }
 274
 275         if (!autocomplete) {
 276                 Logger::SetConsoleLogSeverity(logLevel);
 277
 278                 if (vm.count("log-level")) {
 279                         String severity = vm["log-level"].as<std::string>();
 280
 281                         LogSeverity logLevel = LogInformation;
 282                         try {
 283                                 logLevel = Logger::StringToSeverity(severity);
 284                         } catch (std::exception&) {
 285                                 /* Inform user and exit */
 286                                 Log(LogCritical, "icinga-app", "Invalid log level set. Default is 'information'.");
 287                                 return EXIT_FAILURE;
 288                         }
 289
 290                         Logger::SetConsoleLogSeverity(logLevel);
 291                 }
 292
 293                 if (vm.count("library")) {
 294                         BOOST_FOREACH(const String& libraryName, vm["library"].as<std::vector<std::string> >()) {
 295                                 try {
 296                                         (void) Loader::LoadExtensionLibrary(libraryName);
 297                                 } catch (const std::exception& ex) {
 298                                         Log(LogCritical, "icinga-app")
 299                                             <<  "Could not load library \"" << libraryName << "\": " << DiagnosticInformation(ex);
 300                                         return EXIT_FAILURE;
 301                                 }
 302                         }
 303                 }
 304
 305                 if (!command || vm.count("help") || vm.count("version")) {
 306                         String appName;
 307
 308                         try {
 309                                 appName = Utility::BaseName(Application::GetArgV()[0]);
 310                         } catch (const std::bad_alloc&) {
 311                                 Log(LogCritical, "icinga-app", "Allocation failed.");
 312                                 return EXIT_FAILURE;
 313                         }
 314
 315                         if (appName.GetLength() > 3 && appName.SubStr(0, 3) == "lt-")
 316                                 appName = appName.SubStr(3, appName.GetLength() - 3);
 317
 318                         std::cout << appName << " " << "- The Icinga 2 network monitoring daemon (version: "
 319                             << ConsoleColorTag(vm.count("version") ? Console_ForegroundRed : Console_Normal)
 320                             << Application::GetVersion()
 321 #ifdef I2_DEBUG
 322                             << "; debug"
 323 #endif /* I2_DEBUG */
 324                             << ConsoleColorTag(Console_Normal)
 325                             << ")" << std::endl << std::endl;
 326
 327                         if ((!command || vm.count("help")) && !vm.count("version")) {
 328                                 std::cout << "Usage:" << std::endl
 329                                     << "  " << argv[0] << " ";
 330
 331                                 if (cmdname.IsEmpty())
 332                                         std::cout << "<command>";
 333                                 else
 334                                         std::cout << cmdname;
 335
 336                                 std::cout << " [<arguments>]" << std::endl;
 337
 338                                 if (command) {
 339                                         std::cout << std::endl
 340                                                   << command->GetDescription() << std::endl;
 341                                 }
 342                         }
 343
 344                         if (vm.count("version")) {
 345                                 std::cout << "Copyright (c) 2012-2015 Icinga Development Team (https://www.icinga.org)" << std::endl
 346                                         << "License GPLv2+: GNU GPL version 2 or later <http://gnu.org/licenses/gpl2.html>" << std::endl
 347                                         << "This is free software: you are free to change and redistribute it." << std::endl
 348                                         << "There is NO WARRANTY, to the extent permitted by law.";
 349                         }
 350
 351                         std::cout << std::endl;
 352
 353                         if (vm.count("version")) {
 354                                 std::cout << std::endl;
 355
 356                                 Application::DisplayInfoMessage(std::cout, true);
 357
 358                                 return EXIT_SUCCESS;
 359                         }
 360                 }
 361
 362                 if (!command || vm.count("help")) {
 363                         if (!command)
 364                                 CLICommand::ShowCommands(argc, argv, NULL);
 365
 366                         std::cout << visibleDesc << std::endl
 367                                 << "Report bugs at <https://dev.icinga.org/>" << std::endl
 368                                 << "Icinga home page: <https://www.icinga.org/>" << std::endl;
 369                         return EXIT_SUCCESS;
 370                 }
 371         }
 372
 373         int rc = 1;
 374
 375         if (autocomplete) {
 376                 CLICommand::ShowCommands(argc, argv, &visibleDesc, &hiddenDesc,
 377                     &GlobalArgumentCompletion, true, autoindex);
 378                 rc = 0;
 379         } else if (command) {
 380                 Logger::DisableTimestamp(true);
 381 #ifndef _WIN32
 382                 if (command->GetImpersonationLevel() == ImpersonateRoot) {
 383                         if (getuid() != 0) {
 384                                 Log(LogCritical, "cli", "This command must be run as root.");
 385                                 return 0;
 386                         }
 387                 } else if (command && command->GetImpersonationLevel() == ImpersonateIcinga) {
 388                         String group = Application::GetRunAsGroup();
 389                         String user = Application::GetRunAsUser();
 390
 391                         errno = 0;
 392                         struct group *gr = getgrnam(group.CStr());
 393
 394                         if (!gr) {
 395                                 if (errno == 0) {
 396                                         Log(LogCritical, "cli")
 397                                             << "Invalid group specified: " << group;
 398                                         return EXIT_FAILURE;
 399                                 } else {
 400                                         Log(LogCritical, "cli")
 401                                             << "getgrnam() failed with error code " << errno << ", \"" << Utility::FormatErrorNumber(errno) << "\"";
 402                                         return EXIT_FAILURE;
 403                                 }
 404                         }
 405
 406                         if (getgid() != gr->gr_gid) {
 407                                 if (!vm.count("reload-internal") && setgroups(0, NULL) < 0) {
 408                                         Log(LogCritical, "cli")
 409                                             << "setgroups() failed with error code " << errno << ", \"" << Utility::FormatErrorNumber(errno) << "\"";
 410                                         Log(LogCritical, "cli")
 411                                             << "Please re-run this command as a privileged user or using the \"" << user << "\" account.";
 412                                         return EXIT_FAILURE;
 413                                 }
 414
 415                                 if (setgid(gr->gr_gid) < 0) {
 416                                         Log(LogCritical, "cli")
 417                                             << "setgid() failed with error code " << errno << ", \"" << Utility::FormatErrorNumber(errno) << "\"";
 418                                         return EXIT_FAILURE;
 419                                 }
 420                         }
 421
 422                         errno = 0;
 423                         struct passwd *pw = getpwnam(user.CStr());
 424
 425                         if (!pw) {
 426                                 if (errno == 0) {
 427                                         Log(LogCritical, "cli")
 428                                             << "Invalid user specified: " << user;
 429                                         return EXIT_FAILURE;
 430                                 } else {
 431                                         Log(LogCritical, "cli")
 432                                             << "getpwnam() failed with error code " << errno << ", \"" << Utility::FormatErrorNumber(errno) << "\"";
 433                                         return EXIT_FAILURE;
 434                                 }
 435                         }
 436
 437                         // also activate the additional groups the configured user is member of
 438                         if (getuid() != pw->pw_uid) {
 439                                 if (!vm.count("reload-internal") && initgroups(user.CStr(), pw->pw_gid) < 0) {
 440                                         Log(LogCritical, "cli")
 441                                             << "initgroups() failed with error code " << errno << ", \"" << Utility::FormatErrorNumber(errno) << "\"";
 442                                         Log(LogCritical, "cli")
 443                                             << "Please re-run this command as a privileged user or using the \"" << user << "\" account.";
 444                                         return EXIT_FAILURE;
 445                                 }
 446
 447                                 if (setuid(pw->pw_uid) < 0) {
 448                                         Log(LogCritical, "cli")
 449                                             << "setuid() failed with error code " << errno << ", \"" << Utility::FormatErrorNumber(errno) << "\"";
 450                                         Log(LogCritical, "cli")
 451                                             << "Please re-run this command as a privileged user or using the \"" << user << "\" account.";
 452                                         return EXIT_FAILURE;
 453                                 }
 454                         }
 455                 }
 456 #endif /* _WIN32 */
 457
 458                 std::vector<std::string> args;
 459                 if (vm.count("arg"))
 460                         args = vm["arg"].as<std::vector<std::string> >();
 461
 462                 if (args.size() < command->GetMinArguments()) {
 463                         Log(LogCritical, "cli")
 464                             << "Too few arguments. Command needs at least " << command->GetMinArguments()
 465                             << " argument" << (command->GetMinArguments() != 1 ? "s" : "") << ".";
 466                         return EXIT_FAILURE;
 467                 }
 468
 469                 if (command->GetMaxArguments() >= 0 && args.size() > command->GetMaxArguments()) {
 470                         Log(LogCritical, "cli")
 471                             << "Too many arguments. At most " << command->GetMaxArguments()
 472                             << " argument" << (command->GetMaxArguments() != 1 ? "s" : "") << " may be specified.";
 473                         return EXIT_FAILURE;
 474                 }
 475
 476                 LogSeverity logLevel = Logger::GetConsoleLogSeverity();
 477                 Logger::SetConsoleLogSeverity(LogWarning);
 478
 479                 if (vm.count("app"))
 480                         Loader::LoadExtensionLibrary(vm["app"].as<std::string>());
 481                 else
 482                         Loader::LoadExtensionLibrary("icinga");
 483
 484                 Logger::SetConsoleLogSeverity(logLevel);
 485
 486                 rc = command->Run(vm, args);
 487         }
 488
 489         return rc;
 490 }
 491
 492 #ifdef _WIN32
 493 static int SetupService(bool install, int argc, char **argv)
 494 {
 495         SC_HANDLE schSCManager = OpenSCManager(
 496                 NULL,
 497                 NULL,
 498                 SC_MANAGER_ALL_ACCESS);
 499
 500         if (NULL == schSCManager) {
 501                 printf("OpenSCManager failed (%d)\n", GetLastError());
 502                 return 1;
 503         }
 504
 505         TCHAR szPath[MAX_PATH];
 506
 507         if (!GetModuleFileName(NULL, szPath, MAX_PATH)) {
 508                 printf("Cannot install service (%d)\n", GetLastError());
 509                 return 1;
 510         }
 511
 512         String szArgs;
 513         szArgs = Utility::EscapeShellArg(szPath) + " --scm";
 514
 515         for (int i = 0; i < argc; i++)
 516                 szArgs += " " + Utility::EscapeShellArg(argv[i]);
 517
 518         SC_HANDLE schService = OpenService(schSCManager, "icinga2", DELETE | SERVICE_STOP | SERVICE_QUERY_STATUS);
 519
 520         if (schService != NULL) {
 521                 SERVICE_STATUS status;
 522                 ControlService(schService, SERVICE_CONTROL_STOP, &status);
 523
 524                 double start = Utility::GetTime();
 525                 while (status.dwCurrentState != SERVICE_STOPPED) {
 526                         double end = Utility::GetTime();
 527
 528                         if (end - start > 30) {
 529                                 printf("Could not stop the service.\n");
 530                                 break;
 531                         }
 532
 533                         Utility::Sleep(5);
 534
 535                         if (!QueryServiceStatus(schService, &status)) {
 536                                 printf("QueryServiceStatus failed (%d)\n", GetLastError());
 537                                 return 1;
 538                         }
 539                 }
 540
 541                 if (!DeleteService(schService)) {
 542                         printf("DeleteService failed (%d)\n", GetLastError());
 543                         CloseServiceHandle(schService);
 544                         CloseServiceHandle(schSCManager);
 545                         return 1;
 546                 }
 547
 548                 if (!install)
 549                         printf("Service uninstalled successfully\n");
 550
 551                 CloseServiceHandle(schService);
 552         }
 553
 554         if (install) {
 555                 schService = CreateService(
 556                         schSCManager,
 557                         "icinga2",
 558                         "Icinga 2",
 559                         SERVICE_ALL_ACCESS,
 560                         SERVICE_WIN32_OWN_PROCESS,
 561                         SERVICE_DEMAND_START,
 562                         SERVICE_ERROR_NORMAL,
 563                         szArgs.CStr(),
 564                         NULL,
 565                         NULL,
 566                         NULL,
 567                         "NT AUTHORITY\\NetworkService",
 568                         NULL);
 569
 570                 if (schService == NULL) {
 571                         printf("CreateService failed (%d)\n", GetLastError());
 572                         CloseServiceHandle(schSCManager);
 573                         return 1;
 574                 } else
 575                         printf("Service installed successfully\n");
 576
 577                 ChangeServiceConfig(schService, SERVICE_NO_CHANGE, SERVICE_AUTO_START,
 578                     SERVICE_ERROR_NORMAL, NULL, NULL, NULL, NULL, NULL, NULL, NULL);
 579
 580                 SERVICE_DESCRIPTION sdDescription = { "The Icinga 2 monitoring application" };
 581                 ChangeServiceConfig2(schService, SERVICE_CONFIG_DESCRIPTION, &sdDescription);
 582
 583                 if (!StartService(schService, 0, NULL)) {
 584                         printf("StartService failed (%d)\n", GetLastError());
 585                         CloseServiceHandle(schService);
 586                         CloseServiceHandle(schSCManager);
 587                         return 1;
 588                 }
 589
 590                 CloseServiceHandle(schService);
 591         }
 592
 593         CloseServiceHandle(schSCManager);
 594
 595         return 0;
 596 }
 597
 598 VOID ReportSvcStatus(DWORD dwCurrentState,
 599         DWORD dwWin32ExitCode,
 600         DWORD dwWaitHint)
 601 {
 602         static DWORD dwCheckPoint = 1;
 603
 604         l_SvcStatus.dwCurrentState = dwCurrentState;
 605         l_SvcStatus.dwWin32ExitCode = dwWin32ExitCode;
 606         l_SvcStatus.dwWaitHint = dwWaitHint;
 607
 608         if (dwCurrentState == SERVICE_START_PENDING)
 609                 l_SvcStatus.dwControlsAccepted = 0;
 610         else
 611                 l_SvcStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP;
 612
 613         if ((dwCurrentState == SERVICE_RUNNING) ||
 614             (dwCurrentState == SERVICE_STOPPED))
 615                 l_SvcStatus.dwCheckPoint = 0;
 616         else
 617                 l_SvcStatus.dwCheckPoint = dwCheckPoint++;
 618
 619         SetServiceStatus(l_SvcStatusHandle, &l_SvcStatus);
 620 }
 621
 622 VOID WINAPI ServiceControlHandler(DWORD dwCtrl)
 623 {
 624         if (dwCtrl == SERVICE_CONTROL_STOP) {
 625                 ReportSvcStatus(SERVICE_STOP_PENDING, NO_ERROR, 0);
 626                 Application::RequestShutdown();
 627         }
 628 }
 629
 630 VOID WINAPI ServiceMain(DWORD argc, LPSTR *argv)
 631 {
 632         l_SvcStatusHandle = RegisterServiceCtrlHandler(
 633                 "icinga2",
 634                 ServiceControlHandler);
 635
 636         l_SvcStatus.dwServiceType = SERVICE_WIN32_OWN_PROCESS;
 637         l_SvcStatus.dwServiceSpecificExitCode = 0;
 638
 639         ReportSvcStatus(SERVICE_RUNNING, NO_ERROR, 0);
 640
 641         int rc = Main();
 642
 643         ReportSvcStatus(SERVICE_STOPPED, NO_ERROR, rc);
 644
 645         Application::Exit(rc);
 646 }
 647 #endif /* _WIN32 */
 648
 649 /**
 650 * Entry point for the Icinga application.
 651 *
 652 * @params argc Number of command line arguments.
 653 * @params argv Command line arguments.
 654 * @returns The application's exit status.
 655 */
 656 int main(int argc, char **argv)
 657 {
 658 #ifndef _WIN32
 659         rlimit rl;
 660         if (getrlimit(RLIMIT_NOFILE, &rl) >= 0) {
 661                 rlim_t maxfds = rl.rlim_max;
 662
 663                 if (maxfds == RLIM_INFINITY)
 664                         maxfds = 65536;
 665
 666                 for (rlim_t i = 3; i < maxfds; i++) {
 667                         int rc = close(i);
 668
 669 #ifdef I2_DEBUG
 670                         if (rc >= 0)
 671                                 std::cerr << "Closed FD " << i << " which we inherited from our parent process." << std::endl;
 672 #endif /* I2_DEBUG */
 673                 }
 674         }
 675 #endif /* _WIN32 */
 676
 677         /* must be called before using any other libbase functions */
 678         Application::InitializeBase();
 679
 680         /* Set command-line arguments. */
 681         Application::SetArgC(argc);
 682         Application::SetArgV(argv);
 683
 684 #ifdef _WIN32
 685         if (argc > 1 && strcmp(argv[1], "--scm-install") == 0) {
 686                 return SetupService(true, argc - 2, &argv[2]);
 687         }
 688
 689         if (argc > 1 && strcmp(argv[1], "--scm-uninstall") == 0) {
 690                 return SetupService(false, argc - 2, &argv[2]);
 691         }
 692
 693         if (argc > 1 && strcmp(argv[1], "--scm") == 0) {
 694                 SERVICE_TABLE_ENTRY dispatchTable[] = {
 695                         { "icinga2", ServiceMain },
 696                         { NULL, NULL }
 697                 };
 698
 699                 StartServiceCtrlDispatcher(dispatchTable);
 700                 Application::Exit(EXIT_FAILURE);
 701         }
 702 #endif /* _WIN32 */
 703
 704         int rc = Main();
 705
 706         Application::Exit(rc);
 707 }