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

   1 /******************************************************************************
   2  * Icinga 2                                                                   *
   3  * Copyright (C) 2012-2016 Icinga Development Team (https://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 static SERVICE_STATUS l_SvcStatus;
  50 static SERVICE_STATUS_HANDLE l_SvcStatusHandle;
  51 static HANDLE l_Job;
  52 #endif /* _WIN32 */
  53
  54 static std::vector<String> GetLogLevelCompletionSuggestions(const String& arg)
  55 {
  56         std::vector<String> result;
  57
  58         String debugLevel = "debug";
  59         if (debugLevel.Find(arg) == 0)
  60                 result.push_back(debugLevel);
  61
  62         String noticeLevel = "notice";
  63         if (noticeLevel.Find(arg) == 0)
  64                 result.push_back(noticeLevel);
  65
  66         String informationLevel = "information";
  67         if (informationLevel.Find(arg) == 0)
  68                 result.push_back(informationLevel);
  69
  70         String warningLevel = "warning";
  71         if (warningLevel.Find(arg) == 0)
  72                 result.push_back(warningLevel);
  73
  74         String criticalLevel = "critical";
  75         if (criticalLevel.Find(arg) == 0)
  76                 result.push_back(criticalLevel);
  77
  78         return result;
  79 }
  80
  81 static std::vector<String> GlobalArgumentCompletion(const String& argument, const String& word)
  82 {
  83         if (argument == "include")
  84                 return GetBashCompletionSuggestions("directory", word);
  85         else if (argument == "log-level")
  86                 return GetLogLevelCompletionSuggestions(word);
  87         else
  88                 return std::vector<String>();
  89 }
  90
  91 int Main(void)
  92 {
  93         int argc = Application::GetArgC();
  94         char **argv = Application::GetArgV();
  95
  96         bool autocomplete = false;
  97         int autoindex = 0;
  98
  99         if (argc >= 4 && strcmp(argv[1], "--autocomplete") == 0) {
 100                 autocomplete = true;
 101
 102                 try {
 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];
 107                         return EXIT_FAILURE;
 108                 }
 109
 110                 argc -= 3;
 111                 argv += 3;
 112         }
 113
 114         Application::SetStartTime(Utility::GetTime());
 115
 116         if (!autocomplete)
 117                 Application::SetResourceLimits();
 118
 119         /* Set thread title. */
 120         Utility::SetThreadName("Main Thread", false);
 121
 122         /* Install exception handlers to make debugging easier. */
 123         Application::InstallExceptionHandlers();
 124
 125 #ifdef _WIN32
 126         bool builtinPaths = true;
 127
 128         String binaryPrefix = Utility::GetIcingaInstallPath();
 129         String dataPrefix = Utility::GetIcingaDataPath();
 130
 131         if (!binaryPrefix.IsEmpty() && !dataPrefix.IsEmpty()) {
 132                 Application::DeclarePrefixDir(binaryPrefix);
 133                 Application::DeclareSysconfDir(dataPrefix + "\\etc");
 134                 Application::DeclareRunDir(dataPrefix + "\\var\\run");
 135                 Application::DeclareLocalStateDir(dataPrefix + "\\var");
 136                 Application::DeclarePkgDataDir(binaryPrefix + "\\share\\icinga2");
 137                 Application::DeclareIncludeConfDir(binaryPrefix + "\\share\\icinga2\\include");
 138         } else {
 139                 Log(LogWarning, "icinga-app", "Registry key could not be read. Falling back to built-in paths.");
 140
 141 #endif /* _WIN32 */
 142                 Application::DeclarePrefixDir(ICINGA_PREFIX);
 143                 Application::DeclareSysconfDir(ICINGA_SYSCONFDIR);
 144                 Application::DeclareRunDir(ICINGA_RUNDIR);
 145                 Application::DeclareLocalStateDir(ICINGA_LOCALSTATEDIR);
 146                 Application::DeclarePkgDataDir(ICINGA_PKGDATADIR);
 147                 Application::DeclareIncludeConfDir(ICINGA_INCLUDECONFDIR);
 148 #ifdef _WIN32
 149         }
 150 #endif /* _WIN32 */
 151
 152         Application::DeclareZonesDir(Application::GetSysconfDir() + "/icinga2/zones.d");
 153         Application::DeclareRunAsUser(ICINGA_USER);
 154         Application::DeclareRunAsGroup(ICINGA_GROUP);
 155         Application::DeclareConcurrency(boost::thread::hardware_concurrency());
 156
 157         if (!ScriptGlobal::Exists("UseVfork"))
 158 #ifdef __APPLE__
 159                 ScriptGlobal::Set("UseVfork", false);
 160 #else /* __APPLE__ */
 161                 ScriptGlobal::Set("UseVfork", true);
 162 #endif /* __APPLE__ */
 163
 164         ScriptGlobal::Set("AttachDebugger", false);
 165
 166         ScriptGlobal::Set("PlatformKernel", Utility::GetPlatformKernel());
 167         ScriptGlobal::Set("PlatformKernelVersion", Utility::GetPlatformKernelVersion());
 168         ScriptGlobal::Set("PlatformName", Utility::GetPlatformName());
 169         ScriptGlobal::Set("PlatformVersion", Utility::GetPlatformVersion());
 170         ScriptGlobal::Set("PlatformArchitecture", Utility::GetPlatformArchitecture());
 171
 172         LogSeverity logLevel = Logger::GetConsoleLogSeverity();
 173         Logger::SetConsoleLogSeverity(LogWarning);
 174
 175         Loader::LoadExtensionLibrary("cli");
 176
 177         po::options_description visibleDesc("Global options");
 178
 179         visibleDesc.add_options()
 180                 ("help,h", "show this help message")
 181                 ("version,V", "show version information")
 182 #ifndef _WIN32
 183                 ("color", "use VT100 color codes even when stdout is not a terminal")
 184 #endif /* _WIN32 */
 185                 ("define,D", po::value<std::vector<std::string> >(), "define a constant")
 186                 ("app,a", po::value<std::string>(), "application library name (default: icinga)")
 187                 ("library,l", po::value<std::vector<std::string> >(), "load a library")
 188                 ("include,I", po::value<std::vector<std::string> >(), "add include search directory")
 189                 ("log-level,x", po::value<std::string>(), "specify the log level for the console log.\n"
 190                     "The valid value is either debug, notice, information (default), warning, or critical")
 191                 ("script-debugger,X", "whether to enable the script debugger");
 192
 193         po::options_description hiddenDesc("Hidden options");
 194
 195         hiddenDesc.add_options()
 196                 ("no-stack-rlimit", "used internally, do not specify manually")
 197                 ("arg", po::value<std::vector<std::string> >(), "positional argument");
 198
 199         po::positional_options_description positionalDesc;
 200         positionalDesc.add("arg", -1);
 201
 202         String cmdname;
 203         CLICommand::Ptr command;
 204         po::variables_map vm;
 205
 206         try {
 207                 CLICommand::ParseCommand(argc, argv, visibleDesc, hiddenDesc, positionalDesc,
 208                     vm, cmdname, command, autocomplete);
 209         } catch (const std::exception& ex) {
 210                 Log(LogCritical, "icinga-app")
 211                     << "Error while parsing command-line options: " << ex.what();
 212                 return EXIT_FAILURE;
 213         }
 214
 215         String initconfig = Application::GetSysconfDir() + "/icinga2/init.conf";
 216
 217         if (Utility::PathExists(initconfig)) {
 218                 Expression *expression;
 219                 try {
 220                         expression = ConfigCompiler::CompileFile(initconfig);
 221
 222                         ScriptFrame frame;
 223                         expression->Evaluate(frame);
 224                 } catch (const std::exception& ex) {
 225                         delete expression;
 226
 227                         Log(LogCritical, "config", DiagnosticInformation(ex));
 228                         return EXIT_FAILURE;
 229                 }
 230
 231                 delete expression;
 232         }
 233
 234 #ifndef _WIN32
 235         if (vm.count("color")) {
 236                 Console::SetType(std::cout, Console_VT100);
 237                 Console::SetType(std::cerr, Console_VT100);
 238         }
 239 #endif /* _WIN32 */
 240
 241         if (vm.count("define")) {
 242                 BOOST_FOREACH(const String& define, vm["define"].as<std::vector<std::string> >()) {
 243                         String key, value;
 244                         size_t pos = define.FindFirstOf('=');
 245                         if (pos != String::NPos) {
 246                                 key = define.SubStr(0, pos);
 247                                 value = define.SubStr(pos + 1);
 248                         } else {
 249                                 key = define;
 250                                 value = "1";
 251                         }
 252                         ScriptGlobal::Set(key, value);
 253                 }
 254         }
 255
 256         if (vm.count("script-debugger"))
 257                 Application::SetScriptDebuggerEnabled(true);
 258
 259         Application::DeclareStatePath(Application::GetLocalStateDir() + "/lib/icinga2/icinga2.state");
 260         Application::DeclareModAttrPath(Application::GetLocalStateDir() + "/lib/icinga2/modified-attributes.conf");
 261         Application::DeclareObjectsPath(Application::GetLocalStateDir() + "/cache/icinga2/icinga2.debug");
 262         Application::DeclareVarsPath(Application::GetLocalStateDir() + "/cache/icinga2/icinga2.vars");
 263         Application::DeclarePidPath(Application::GetRunDir() + "/icinga2/icinga2.pid");
 264
 265         ConfigCompiler::AddIncludeSearchDir(Application::GetIncludeConfDir());
 266
 267         if (!autocomplete && vm.count("include")) {
 268                 BOOST_FOREACH(const String& includePath, vm["include"].as<std::vector<std::string> >()) {
 269                         ConfigCompiler::AddIncludeSearchDir(includePath);
 270                 }
 271         }
 272
 273         if (!autocomplete) {
 274                 Logger::SetConsoleLogSeverity(logLevel);
 275
 276                 if (vm.count("log-level")) {
 277                         String severity = vm["log-level"].as<std::string>();
 278
 279                         LogSeverity logLevel = LogInformation;
 280                         try {
 281                                 logLevel = Logger::StringToSeverity(severity);
 282                         } catch (std::exception&) {
 283                                 /* Inform user and exit */
 284                                 Log(LogCritical, "icinga-app", "Invalid log level set. Default is 'information'.");
 285                                 return EXIT_FAILURE;
 286                         }
 287
 288                         Logger::SetConsoleLogSeverity(logLevel);
 289                 }
 290
 291                 if (vm.count("library")) {
 292                         BOOST_FOREACH(const String& libraryName, vm["library"].as<std::vector<std::string> >()) {
 293                                 try {
 294                                         (void) Loader::LoadExtensionLibrary(libraryName);
 295                                 } catch (const std::exception& ex) {
 296                                         Log(LogCritical, "icinga-app")
 297                                             <<  "Could not load library \"" << libraryName << "\": " << DiagnosticInformation(ex);
 298                                         return EXIT_FAILURE;
 299                                 }
 300                         }
 301                 }
 302
 303                 if (!command || vm.count("help") || vm.count("version")) {
 304                         String appName;
 305
 306                         try {
 307                                 appName = Utility::BaseName(Application::GetArgV()[0]);
 308                         } catch (const std::bad_alloc&) {
 309                                 Log(LogCritical, "icinga-app", "Allocation failed.");
 310                                 return EXIT_FAILURE;
 311                         }
 312
 313                         if (appName.GetLength() > 3 && appName.SubStr(0, 3) == "lt-")
 314                                 appName = appName.SubStr(3, appName.GetLength() - 3);
 315
 316                         std::cout << appName << " " << "- The Icinga 2 network monitoring daemon (version: "
 317                             << ConsoleColorTag(vm.count("version") ? Console_ForegroundRed : Console_Normal)
 318                             << Application::GetAppVersion()
 319 #ifdef I2_DEBUG
 320                             << "; debug"
 321 #endif /* I2_DEBUG */
 322                             << ConsoleColorTag(Console_Normal)
 323                             << ")" << std::endl << std::endl;
 324
 325                         if ((!command || vm.count("help")) && !vm.count("version")) {
 326                                 std::cout << "Usage:" << std::endl
 327                                     << "  " << argv[0] << " ";
 328
 329                                 if (cmdname.IsEmpty())
 330                                         std::cout << "<command>";
 331                                 else
 332                                         std::cout << cmdname;
 333
 334                                 std::cout << " [<arguments>]" << std::endl;
 335
 336                                 if (command) {
 337                                         std::cout << std::endl
 338                                                   << command->GetDescription() << std::endl;
 339                                 }
 340                         }
 341
 342                         if (vm.count("version")) {
 343                                 std::cout << "Copyright (c) 2012-2016 Icinga Development Team (https://www.icinga.org/)" << std::endl
 344                                         << "License GPLv2+: GNU GPL version 2 or later <http://gnu.org/licenses/gpl2.html>" << std::endl
 345                                         << "This is free software: you are free to change and redistribute it." << std::endl
 346                                         << "There is NO WARRANTY, to the extent permitted by law.";
 347                         }
 348
 349                         std::cout << std::endl;
 350
 351                         if (vm.count("version")) {
 352                                 std::cout << std::endl;
 353
 354                                 Application::DisplayInfoMessage(std::cout, true);
 355
 356                                 return EXIT_SUCCESS;
 357                         }
 358                 }
 359
 360                 if (!command || vm.count("help")) {
 361                         if (!command)
 362                                 CLICommand::ShowCommands(argc, argv, NULL);
 363
 364                         std::cout << visibleDesc << std::endl
 365                                 << "Report bugs at <https://dev.icinga.org/>" << std::endl
 366                                 << "Icinga home page: <https://www.icinga.org/>" << std::endl;
 367                         return EXIT_SUCCESS;
 368                 }
 369         }
 370
 371         int rc = 1;
 372
 373         if (autocomplete) {
 374                 CLICommand::ShowCommands(argc, argv, &visibleDesc, &hiddenDesc,
 375                     &GlobalArgumentCompletion, true, autoindex);
 376                 rc = 0;
 377         } else if (command) {
 378                 Logger::DisableTimestamp(true);
 379 #ifndef _WIN32
 380                 if (command->GetImpersonationLevel() == ImpersonateRoot) {
 381                         if (getuid() != 0) {
 382                                 Log(LogCritical, "cli", "This command must be run as root.");
 383                                 return 0;
 384                         }
 385                 } else if (command && command->GetImpersonationLevel() == ImpersonateIcinga) {
 386                         String group = Application::GetRunAsGroup();
 387                         String user = Application::GetRunAsUser();
 388
 389                         errno = 0;
 390                         struct group *gr = getgrnam(group.CStr());
 391
 392                         if (!gr) {
 393                                 if (errno == 0) {
 394                                         Log(LogCritical, "cli")
 395                                             << "Invalid group specified: " << group;
 396                                         return EXIT_FAILURE;
 397                                 } else {
 398                                         Log(LogCritical, "cli")
 399                                             << "getgrnam() failed with error code " << errno << ", \"" << Utility::FormatErrorNumber(errno) << "\"";
 400                                         return EXIT_FAILURE;
 401                                 }
 402                         }
 403
 404                         if (getgid() != gr->gr_gid) {
 405                                 if (!vm.count("reload-internal") && setgroups(0, NULL) < 0) {
 406                                         Log(LogCritical, "cli")
 407                                             << "setgroups() failed with error code " << errno << ", \"" << Utility::FormatErrorNumber(errno) << "\"";
 408                                         Log(LogCritical, "cli")
 409                                             << "Please re-run this command as a privileged user or using the \"" << user << "\" account.";
 410                                         return EXIT_FAILURE;
 411                                 }
 412
 413                                 if (setgid(gr->gr_gid) < 0) {
 414                                         Log(LogCritical, "cli")
 415                                             << "setgid() failed with error code " << errno << ", \"" << Utility::FormatErrorNumber(errno) << "\"";
 416                                         return EXIT_FAILURE;
 417                                 }
 418                         }
 419
 420                         errno = 0;
 421                         struct passwd *pw = getpwnam(user.CStr());
 422
 423                         if (!pw) {
 424                                 if (errno == 0) {
 425                                         Log(LogCritical, "cli")
 426                                             << "Invalid user specified: " << user;
 427                                         return EXIT_FAILURE;
 428                                 } else {
 429                                         Log(LogCritical, "cli")
 430                                             << "getpwnam() failed with error code " << errno << ", \"" << Utility::FormatErrorNumber(errno) << "\"";
 431                                         return EXIT_FAILURE;
 432                                 }
 433                         }
 434
 435                         // also activate the additional groups the configured user is member of
 436                         if (getuid() != pw->pw_uid) {
 437                                 if (!vm.count("reload-internal") && initgroups(user.CStr(), pw->pw_gid) < 0) {
 438                                         Log(LogCritical, "cli")
 439                                             << "initgroups() failed with error code " << errno << ", \"" << Utility::FormatErrorNumber(errno) << "\"";
 440                                         Log(LogCritical, "cli")
 441                                             << "Please re-run this command as a privileged user or using the \"" << user << "\" account.";
 442                                         return EXIT_FAILURE;
 443                                 }
 444
 445                                 if (setuid(pw->pw_uid) < 0) {
 446                                         Log(LogCritical, "cli")
 447                                             << "setuid() failed with error code " << errno << ", \"" << Utility::FormatErrorNumber(errno) << "\"";
 448                                         Log(LogCritical, "cli")
 449                                             << "Please re-run this command as a privileged user or using the \"" << user << "\" account.";
 450                                         return EXIT_FAILURE;
 451                                 }
 452                         }
 453                 }
 454 #endif /* _WIN32 */
 455
 456                 std::vector<std::string> args;
 457                 if (vm.count("arg"))
 458                         args = vm["arg"].as<std::vector<std::string> >();
 459
 460                 if (args.size() < command->GetMinArguments()) {
 461                         Log(LogCritical, "cli")
 462                             << "Too few arguments. Command needs at least " << command->GetMinArguments()
 463                             << " argument" << (command->GetMinArguments() != 1 ? "s" : "") << ".";
 464                         return EXIT_FAILURE;
 465                 }
 466
 467                 if (command->GetMaxArguments() >= 0 && args.size() > command->GetMaxArguments()) {
 468                         Log(LogCritical, "cli")
 469                             << "Too many arguments. At most " << command->GetMaxArguments()
 470                             << " argument" << (command->GetMaxArguments() != 1 ? "s" : "") << " may be specified.";
 471                         return EXIT_FAILURE;
 472                 }
 473
 474                 LogSeverity logLevel = Logger::GetConsoleLogSeverity();
 475                 Logger::SetConsoleLogSeverity(LogWarning);
 476
 477                 if (vm.count("app"))
 478                         Loader::LoadExtensionLibrary(vm["app"].as<std::string>());
 479                 else
 480                         Loader::LoadExtensionLibrary("icinga");
 481
 482                 Logger::SetConsoleLogSeverity(logLevel);
 483
 484                 rc = command->Run(vm, args);
 485         }
 486
 487         return rc;
 488 }
 489
 490 #ifdef _WIN32
 491 static int SetupService(bool install, int argc, char **argv)
 492 {
 493         SC_HANDLE schSCManager = OpenSCManager(
 494                 NULL,
 495                 NULL,
 496                 SC_MANAGER_ALL_ACCESS);
 497
 498         if (NULL == schSCManager) {
 499                 printf("OpenSCManager failed (%d)\n", GetLastError());
 500                 return 1;
 501         }
 502
 503         TCHAR szPath[MAX_PATH];
 504
 505         if (!GetModuleFileName(NULL, szPath, MAX_PATH)) {
 506                 printf("Cannot install service (%d)\n", GetLastError());
 507                 return 1;
 508         }
 509
 510         String szArgs;
 511         szArgs = Utility::EscapeShellArg(szPath) + " --scm";
 512
 513         for (int i = 0; i < argc; i++)
 514                 szArgs += " " + Utility::EscapeShellArg(argv[i]);
 515
 516         SC_HANDLE schService = OpenService(schSCManager, "icinga2", SERVICE_ALL_ACCESS);
 517
 518         if (schService != NULL) {
 519                 SERVICE_STATUS status;
 520                 ControlService(schService, SERVICE_CONTROL_STOP, &status);
 521
 522                 double start = Utility::GetTime();
 523                 while (status.dwCurrentState != SERVICE_STOPPED) {
 524                         double end = Utility::GetTime();
 525
 526                         if (end - start > 30) {
 527                                 printf("Could not stop the service.\n");
 528                                 break;
 529                         }
 530
 531                         Utility::Sleep(5);
 532
 533                         if (!QueryServiceStatus(schService, &status)) {
 534                                 printf("QueryServiceStatus failed (%d)\n", GetLastError());
 535                                 return 1;
 536                         }
 537                 }
 538         } else if (install) {
 539                 schService = CreateService(
 540                         schSCManager,
 541                         "icinga2",
 542                         "Icinga 2",
 543                         SERVICE_ALL_ACCESS,
 544                         SERVICE_WIN32_OWN_PROCESS,
 545                         SERVICE_DEMAND_START,
 546                         SERVICE_ERROR_NORMAL,
 547                         szArgs.CStr(),
 548                         NULL,
 549                         NULL,
 550                         NULL,
 551                         "NT AUTHORITY\\NetworkService",
 552                         NULL);
 553
 554                 if (schService == NULL) {
 555                         printf("CreateService failed (%d)\n", GetLastError());
 556                         CloseServiceHandle(schSCManager);
 557                         return 1;
 558                 }
 559         } else {
 560                 printf("Service isn't installed.\n");
 561                 CloseServiceHandle(schSCManager);
 562                 return 0;
 563         }
 564
 565         if (!install) {
 566                 if (!DeleteService(schService)) {
 567                         printf("DeleteService failed (%d)\n", GetLastError());
 568                         CloseServiceHandle(schService);
 569                         CloseServiceHandle(schSCManager);
 570                         return 1;
 571                 }
 572
 573                 printf("Service uninstalled successfully\n");
 574         } else {
 575                 ChangeServiceConfig(schService, SERVICE_NO_CHANGE, SERVICE_AUTO_START,
 576                     SERVICE_ERROR_NORMAL, szArgs.CStr(), NULL, NULL, NULL, NULL, NULL, NULL);
 577
 578                 SERVICE_DESCRIPTION sdDescription = { "The Icinga 2 monitoring application" };
 579                 ChangeServiceConfig2(schService, SERVICE_CONFIG_DESCRIPTION, &sdDescription);
 580
 581                 if (!StartService(schService, 0, NULL)) {
 582                         printf("StartService failed (%d)\n", GetLastError());
 583                         CloseServiceHandle(schService);
 584                         CloseServiceHandle(schSCManager);
 585                         return 1;
 586                 }
 587
 588                 printf("Service installed successfully\n");
 589         }
 590
 591         CloseServiceHandle(schService);
 592         CloseServiceHandle(schSCManager);
 593
 594         return 0;
 595 }
 596
 597 VOID ReportSvcStatus(DWORD dwCurrentState,
 598         DWORD dwWin32ExitCode,
 599         DWORD dwWaitHint)
 600 {
 601         static DWORD dwCheckPoint = 1;
 602
 603         l_SvcStatus.dwCurrentState = dwCurrentState;
 604         l_SvcStatus.dwWin32ExitCode = dwWin32ExitCode;
 605         l_SvcStatus.dwWaitHint = dwWaitHint;
 606
 607         if (dwCurrentState == SERVICE_START_PENDING)
 608                 l_SvcStatus.dwControlsAccepted = 0;
 609         else
 610                 l_SvcStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP;
 611
 612         if ((dwCurrentState == SERVICE_RUNNING) ||
 613             (dwCurrentState == SERVICE_STOPPED))
 614                 l_SvcStatus.dwCheckPoint = 0;
 615         else
 616                 l_SvcStatus.dwCheckPoint = dwCheckPoint++;
 617
 618         SetServiceStatus(l_SvcStatusHandle, &l_SvcStatus);
 619 }
 620
 621 VOID WINAPI ServiceControlHandler(DWORD dwCtrl)
 622 {
 623         if (dwCtrl == SERVICE_CONTROL_STOP) {
 624                 ReportSvcStatus(SERVICE_STOP_PENDING, NO_ERROR, 0);
 625                 TerminateJobObject(l_Job, 0);
 626         }
 627 }
 628
 629 VOID WINAPI ServiceMain(DWORD argc, LPSTR *argv)
 630 {
 631         l_SvcStatusHandle = RegisterServiceCtrlHandler(
 632                 "icinga2",
 633                 ServiceControlHandler);
 634
 635         l_SvcStatus.dwServiceType = SERVICE_WIN32_OWN_PROCESS;
 636         l_SvcStatus.dwServiceSpecificExitCode = 0;
 637
 638         ReportSvcStatus(SERVICE_RUNNING, NO_ERROR, 0);
 639
 640         l_Job = CreateJobObject(NULL, NULL);
 641
 642         for (;;) {
 643                 LPSTR arg = argv[0];
 644                 String args;
 645                 int uargc = Application::GetArgC();
 646                 char **uargv = Application::GetArgV();
 647
 648                 args += Utility::EscapeShellArg(Application::GetExePath(uargv[0]));
 649
 650                 for (int i = 2; i < uargc && uargv[i]; i++) {
 651                         if (args != "")
 652                                 args += " ";
 653
 654                         args += Utility::EscapeShellArg(uargv[i]);
 655                 }
 656
 657                 STARTUPINFO si = { sizeof(si) };
 658                 PROCESS_INFORMATION pi;
 659
 660                 char *uargs = strdup(args.CStr());
 661
 662                 BOOL res = CreateProcess(NULL, uargs, NULL, NULL, FALSE, 0, NULL, NULL, &si, &pi);
 663
 664                 free(uargs);
 665
 666                 if (!res)
 667                         break;
 668
 669                 CloseHandle(pi.hThread);
 670
 671                 AssignProcessToJobObject(l_Job, pi.hProcess);
 672
 673                 if (WaitForSingleObject(pi.hProcess, INFINITE) != WAIT_OBJECT_0)
 674                         break;
 675
 676                 DWORD exitStatus;
 677
 678                 if (!GetExitCodeProcess(pi.hProcess, &exitStatus))
 679                         break;
 680
 681                 if (exitStatus != 7)
 682                         break;
 683         }
 684
 685         TerminateJobObject(l_Job, 0);
 686
 687         CloseHandle(l_Job);
 688
 689         ReportSvcStatus(SERVICE_STOPPED, NO_ERROR, 0);
 690
 691         Application::Exit(0);
 692 }
 693 #endif /* _WIN32 */
 694
 695 /**
 696 * Entry point for the Icinga application.
 697 *
 698 * @params argc Number of command line arguments.
 699 * @params argv Command line arguments.
 700 * @returns The application's exit status.
 701 */
 702 int main(int argc, char **argv)
 703 {
 704 #ifndef _WIN32
 705         rlimit rl;
 706         if (getrlimit(RLIMIT_NOFILE, &rl) >= 0) {
 707                 rlim_t maxfds = rl.rlim_max;
 708
 709                 if (maxfds == RLIM_INFINITY)
 710                         maxfds = 65536;
 711
 712                 for (rlim_t i = 3; i < maxfds; i++) {
 713                         int rc = close(i);
 714
 715 #ifdef I2_DEBUG
 716                         if (rc >= 0)
 717                                 std::cerr << "Closed FD " << i << " which we inherited from our parent process." << std::endl;
 718 #endif /* I2_DEBUG */
 719                 }
 720         }
 721 #endif /* _WIN32 */
 722
 723         /* must be called before using any other libbase functions */
 724         Application::InitializeBase();
 725
 726         /* Set command-line arguments. */
 727         Application::SetArgC(argc);
 728         Application::SetArgV(argv);
 729
 730 #ifdef _WIN32
 731         if (argc > 1 && strcmp(argv[1], "--scm-install") == 0) {
 732                 return SetupService(true, argc - 2, &argv[2]);
 733         }
 734
 735         if (argc > 1 && strcmp(argv[1], "--scm-uninstall") == 0) {
 736                 return SetupService(false, argc - 2, &argv[2]);
 737         }
 738
 739         if (argc > 1 && strcmp(argv[1], "--scm") == 0) {
 740                 SERVICE_TABLE_ENTRY dispatchTable[] = {
 741                         { "icinga2", ServiceMain },
 742                         { NULL, NULL }
 743                 };
 744
 745                 StartServiceCtrlDispatcher(dispatchTable);
 746                 Application::Exit(EXIT_FAILURE);
 747         }
 748 #endif /* _WIN32 */
 749
 750         int rc = Main();
 751
 752         Application::Exit(rc);
 753 }