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