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 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         HKEY hKey;
 129         if (RegOpenKeyEx(HKEY_LOCAL_MACHINE, "SOFTWARE\\Icinga Development Team\\ICINGA2", 0,
 130             KEY_QUERY_VALUE, &hKey) == ERROR_SUCCESS) {
 131                 BYTE pvData[MAX_PATH];
 132                 DWORD cbData = sizeof(pvData)-1;
 133                 DWORD lType;
 134                 if (RegQueryValueEx(hKey, NULL, NULL, &lType, pvData, &cbData) == ERROR_SUCCESS && lType == REG_SZ) {
 135                         pvData[cbData] = '\0';
 136
 137                         String prefix = (char *)pvData;
 138                         Application::DeclarePrefixDir(prefix);
 139                         Application::DeclareSysconfDir(prefix + "\\etc");
 140                         Application::DeclareRunDir(prefix + "\\var\\run");
 141                         Application::DeclareLocalStateDir(prefix + "\\var");
 142                         Application::DeclarePkgDataDir(prefix + "\\share\\icinga2");
 143                         Application::DeclareIncludeConfDir(prefix + "\\share\\icinga2\\include");
 144
 145                         builtinPaths = false;
 146                 }
 147
 148                 RegCloseKey(hKey);
 149         }
 150
 151         if (builtinPaths) {
 152                 Log(LogWarning, "icinga-app", "Registry key could not be read. Falling back to built-in paths.");
 153
 154 #endif /* _WIN32 */
 155                 Application::DeclarePrefixDir(ICINGA_PREFIX);
 156                 Application::DeclareSysconfDir(ICINGA_SYSCONFDIR);
 157                 Application::DeclareRunDir(ICINGA_RUNDIR);
 158                 Application::DeclareLocalStateDir(ICINGA_LOCALSTATEDIR);
 159                 Application::DeclarePkgDataDir(ICINGA_PKGDATADIR);
 160                 Application::DeclareIncludeConfDir(ICINGA_INCLUDECONFDIR);
 161 #ifdef _WIN32
 162         }
 163 #endif /* _WIN32 */
 164
 165         Application::DeclareZonesDir(Application::GetSysconfDir() + "/icinga2/zones.d");
 166         Application::DeclareRunAsUser(ICINGA_USER);
 167         Application::DeclareRunAsGroup(ICINGA_GROUP);
 168         Application::DeclareConcurrency(boost::thread::hardware_concurrency());
 169
 170         if (!ScriptGlobal::Exists("UseVfork"))
 171 #ifdef __APPLE__
 172                 ScriptGlobal::Set("UseVfork", false);
 173 #else /* __APPLE__ */
 174                 ScriptGlobal::Set("UseVfork", true);
 175 #endif /* __APPLE__ */
 176
 177         ScriptGlobal::Set("AttachDebugger", false);
 178
 179         ScriptGlobal::Set("PlatformKernel", Utility::GetPlatformKernel());
 180         ScriptGlobal::Set("PlatformKernelVersion", Utility::GetPlatformKernelVersion());
 181         ScriptGlobal::Set("PlatformName", Utility::GetPlatformName());
 182         ScriptGlobal::Set("PlatformVersion", Utility::GetPlatformVersion());
 183         ScriptGlobal::Set("PlatformArchitecture", Utility::GetPlatformArchitecture());
 184
 185         LogSeverity logLevel = Logger::GetConsoleLogSeverity();
 186         Logger::SetConsoleLogSeverity(LogWarning);
 187
 188         Loader::LoadExtensionLibrary("cli");
 189
 190         po::options_description visibleDesc("Global options");
 191
 192         visibleDesc.add_options()
 193                 ("help,h", "show this help message")
 194                 ("version,V", "show version information")
 195 #ifndef _WIN32
 196                 ("color", "use VT100 color codes even when stdout is not a terminal")
 197 #endif /* _WIN32 */
 198                 ("define,D", po::value<std::vector<std::string> >(), "define a constant")
 199                 ("app,a", po::value<std::string>(), "application library name (default: icinga)")
 200                 ("library,l", po::value<std::vector<std::string> >(), "load a library")
 201                 ("include,I", po::value<std::vector<std::string> >(), "add include search directory")
 202                 ("log-level,x", po::value<std::string>(), "specify the log level for the console log.\n"
 203                     "The valid value is either debug, notice, information (default), warning, or critical")
 204                 ("script-debugger,X", "whether to enable the script debugger");
 205
 206         po::options_description hiddenDesc("Hidden options");
 207
 208         hiddenDesc.add_options()
 209 #ifndef _WIN32
 210                 ("no-stack-rlimit", "used internally, do not specify manually")
 211 #else /* _WIN32 */
 212                 ("no-stack-rlimit", "used internally, do not specify manually")
 213 #endif /* _WIN32 */
 214                 ("arg", po::value<std::vector<std::string> >(), "positional argument");
 215
 216         po::positional_options_description positionalDesc;
 217         positionalDesc.add("arg", -1);
 218
 219         String cmdname;
 220         CLICommand::Ptr command;
 221         po::variables_map vm;
 222
 223         try {
 224                 CLICommand::ParseCommand(argc, argv, visibleDesc, hiddenDesc, positionalDesc,
 225                     vm, cmdname, command, autocomplete);
 226         } catch (const std::exception& ex) {
 227                 Log(LogCritical, "icinga-app")
 228                     << "Error while parsing command-line options: " << ex.what();
 229                 return EXIT_FAILURE;
 230         }
 231
 232         String initconfig = Application::GetSysconfDir() + "/icinga2/init.conf";
 233
 234         if (Utility::PathExists(initconfig)) {
 235                 Expression *expression;
 236                 try {
 237                         expression = ConfigCompiler::CompileFile(initconfig);
 238
 239                         ScriptFrame frame;
 240                         expression->Evaluate(frame);
 241                 } catch (const std::exception& ex) {
 242                         delete expression;
 243
 244                         Log(LogCritical, "config", DiagnosticInformation(ex));
 245                         return EXIT_FAILURE;
 246                 }
 247
 248                 delete expression;
 249         }
 250
 251 #ifndef _WIN32
 252         if (vm.count("color")) {
 253                 Console::SetType(std::cout, Console_VT100);
 254                 Console::SetType(std::cerr, Console_VT100);
 255         }
 256 #endif /* _WIN32 */
 257
 258         if (vm.count("define")) {
 259                 BOOST_FOREACH(const String& define, vm["define"].as<std::vector<std::string> >()) {
 260                         String key, value;
 261                         size_t pos = define.FindFirstOf('=');
 262                         if (pos != String::NPos) {
 263                                 key = define.SubStr(0, pos);
 264                                 value = define.SubStr(pos + 1);
 265                         } else {
 266                                 key = define;
 267                                 value = "1";
 268                         }
 269                         ScriptGlobal::Set(key, value);
 270                 }
 271         }
 272
 273         if (vm.count("script-debugger"))
 274                 Application::SetScriptDebuggerEnabled(true);
 275
 276         Application::DeclareStatePath(Application::GetLocalStateDir() + "/lib/icinga2/icinga2.state");
 277         Application::DeclareModAttrPath(Application::GetLocalStateDir() + "/lib/icinga2/modified-attributes.conf");
 278         Application::DeclareObjectsPath(Application::GetLocalStateDir() + "/cache/icinga2/icinga2.debug");
 279         Application::DeclareVarsPath(Application::GetLocalStateDir() + "/cache/icinga2/icinga2.vars");
 280         Application::DeclarePidPath(Application::GetRunDir() + "/icinga2/icinga2.pid");
 281
 282         ConfigCompiler::AddIncludeSearchDir(Application::GetIncludeConfDir());
 283
 284         if (!autocomplete && vm.count("include")) {
 285                 BOOST_FOREACH(const String& includePath, vm["include"].as<std::vector<std::string> >()) {
 286                         ConfigCompiler::AddIncludeSearchDir(includePath);
 287                 }
 288         }
 289
 290         if (!autocomplete) {
 291                 Logger::SetConsoleLogSeverity(logLevel);
 292
 293                 if (vm.count("log-level")) {
 294                         String severity = vm["log-level"].as<std::string>();
 295
 296                         LogSeverity logLevel = LogInformation;
 297                         try {
 298                                 logLevel = Logger::StringToSeverity(severity);
 299                         } catch (std::exception&) {
 300                                 /* Inform user and exit */
 301                                 Log(LogCritical, "icinga-app", "Invalid log level set. Default is 'information'.");
 302                                 return EXIT_FAILURE;
 303                         }
 304
 305                         Logger::SetConsoleLogSeverity(logLevel);
 306                 }
 307
 308                 if (vm.count("library")) {
 309                         BOOST_FOREACH(const String& libraryName, vm["library"].as<std::vector<std::string> >()) {
 310                                 try {
 311                                         (void) Loader::LoadExtensionLibrary(libraryName);
 312                                 } catch (const std::exception& ex) {
 313                                         Log(LogCritical, "icinga-app")
 314                                             <<  "Could not load library \"" << libraryName << "\": " << DiagnosticInformation(ex);
 315                                         return EXIT_FAILURE;
 316                                 }
 317                         }
 318                 }
 319
 320                 if (!command || vm.count("help") || vm.count("version")) {
 321                         String appName;
 322
 323                         try {
 324                                 appName = Utility::BaseName(Application::GetArgV()[0]);
 325                         } catch (const std::bad_alloc&) {
 326                                 Log(LogCritical, "icinga-app", "Allocation failed.");
 327                                 return EXIT_FAILURE;
 328                         }
 329
 330                         if (appName.GetLength() > 3 && appName.SubStr(0, 3) == "lt-")
 331                                 appName = appName.SubStr(3, appName.GetLength() - 3);
 332
 333                         std::cout << appName << " " << "- The Icinga 2 network monitoring daemon (version: "
 334                             << ConsoleColorTag(vm.count("version") ? Console_ForegroundRed : Console_Normal)
 335                             << Application::GetAppVersion()
 336 #ifdef I2_DEBUG
 337                             << "; debug"
 338 #endif /* I2_DEBUG */
 339                             << ConsoleColorTag(Console_Normal)
 340                             << ")" << std::endl << std::endl;
 341
 342                         if ((!command || vm.count("help")) && !vm.count("version")) {
 343                                 std::cout << "Usage:" << std::endl
 344                                     << "  " << argv[0] << " ";
 345
 346                                 if (cmdname.IsEmpty())
 347                                         std::cout << "<command>";
 348                                 else
 349                                         std::cout << cmdname;
 350
 351                                 std::cout << " [<arguments>]" << std::endl;
 352
 353                                 if (command) {
 354                                         std::cout << std::endl
 355                                                   << command->GetDescription() << std::endl;
 356                                 }
 357                         }
 358
 359                         if (vm.count("version")) {
 360                                 std::cout << "Copyright (c) 2012-2015 Icinga Development Team (https://www.icinga.org)" << std::endl
 361                                         << "License GPLv2+: GNU GPL version 2 or later <http://gnu.org/licenses/gpl2.html>" << std::endl
 362                                         << "This is free software: you are free to change and redistribute it." << std::endl
 363                                         << "There is NO WARRANTY, to the extent permitted by law.";
 364                         }
 365
 366                         std::cout << std::endl;
 367
 368                         if (vm.count("version")) {
 369                                 std::cout << std::endl;
 370
 371                                 Application::DisplayInfoMessage(std::cout, true);
 372
 373                                 return EXIT_SUCCESS;
 374                         }
 375                 }
 376
 377                 if (!command || vm.count("help")) {
 378                         if (!command)
 379                                 CLICommand::ShowCommands(argc, argv, NULL);
 380
 381                         std::cout << visibleDesc << std::endl
 382                                 << "Report bugs at <https://dev.icinga.org/>" << std::endl
 383                                 << "Icinga home page: <https://www.icinga.org/>" << std::endl;
 384                         return EXIT_SUCCESS;
 385                 }
 386         }
 387
 388         int rc = 1;
 389
 390         if (autocomplete) {
 391                 CLICommand::ShowCommands(argc, argv, &visibleDesc, &hiddenDesc,
 392                     &GlobalArgumentCompletion, true, autoindex);
 393                 rc = 0;
 394         } else if (command) {
 395                 Logger::DisableTimestamp(true);
 396 #ifndef _WIN32
 397                 if (command->GetImpersonationLevel() == ImpersonateRoot) {
 398                         if (getuid() != 0) {
 399                                 Log(LogCritical, "cli", "This command must be run as root.");
 400                                 return 0;
 401                         }
 402                 } else if (command && command->GetImpersonationLevel() == ImpersonateIcinga) {
 403                         String group = Application::GetRunAsGroup();
 404                         String user = Application::GetRunAsUser();
 405
 406                         errno = 0;
 407                         struct group *gr = getgrnam(group.CStr());
 408
 409                         if (!gr) {
 410                                 if (errno == 0) {
 411                                         Log(LogCritical, "cli")
 412                                             << "Invalid group specified: " << group;
 413                                         return EXIT_FAILURE;
 414                                 } else {
 415                                         Log(LogCritical, "cli")
 416                                             << "getgrnam() failed with error code " << errno << ", \"" << Utility::FormatErrorNumber(errno) << "\"";
 417                                         return EXIT_FAILURE;
 418                                 }
 419                         }
 420
 421                         if (getgid() != gr->gr_gid) {
 422                                 if (!vm.count("reload-internal") && setgroups(0, NULL) < 0) {
 423                                         Log(LogCritical, "cli")
 424                                             << "setgroups() failed with error code " << errno << ", \"" << Utility::FormatErrorNumber(errno) << "\"";
 425                                         Log(LogCritical, "cli")
 426                                             << "Please re-run this command as a privileged user or using the \"" << user << "\" account.";
 427                                         return EXIT_FAILURE;
 428                                 }
 429
 430                                 if (setgid(gr->gr_gid) < 0) {
 431                                         Log(LogCritical, "cli")
 432                                             << "setgid() failed with error code " << errno << ", \"" << Utility::FormatErrorNumber(errno) << "\"";
 433                                         return EXIT_FAILURE;
 434                                 }
 435                         }
 436
 437                         errno = 0;
 438                         struct passwd *pw = getpwnam(user.CStr());
 439
 440                         if (!pw) {
 441                                 if (errno == 0) {
 442                                         Log(LogCritical, "cli")
 443                                             << "Invalid user specified: " << user;
 444                                         return EXIT_FAILURE;
 445                                 } else {
 446                                         Log(LogCritical, "cli")
 447                                             << "getpwnam() failed with error code " << errno << ", \"" << Utility::FormatErrorNumber(errno) << "\"";
 448                                         return EXIT_FAILURE;
 449                                 }
 450                         }
 451
 452                         // also activate the additional groups the configured user is member of
 453                         if (getuid() != pw->pw_uid) {
 454                                 if (!vm.count("reload-internal") && initgroups(user.CStr(), pw->pw_gid) < 0) {
 455                                         Log(LogCritical, "cli")
 456                                             << "initgroups() failed with error code " << errno << ", \"" << Utility::FormatErrorNumber(errno) << "\"";
 457                                         Log(LogCritical, "cli")
 458                                             << "Please re-run this command as a privileged user or using the \"" << user << "\" account.";
 459                                         return EXIT_FAILURE;
 460                                 }
 461
 462                                 if (setuid(pw->pw_uid) < 0) {
 463                                         Log(LogCritical, "cli")
 464                                             << "setuid() failed with error code " << errno << ", \"" << Utility::FormatErrorNumber(errno) << "\"";
 465                                         Log(LogCritical, "cli")
 466                                             << "Please re-run this command as a privileged user or using the \"" << user << "\" account.";
 467                                         return EXIT_FAILURE;
 468                                 }
 469                         }
 470                 }
 471 #endif /* _WIN32 */
 472
 473                 std::vector<std::string> args;
 474                 if (vm.count("arg"))
 475                         args = vm["arg"].as<std::vector<std::string> >();
 476
 477                 if (args.size() < command->GetMinArguments()) {
 478                         Log(LogCritical, "cli")
 479                             << "Too few arguments. Command needs at least " << command->GetMinArguments()
 480                             << " argument" << (command->GetMinArguments() != 1 ? "s" : "") << ".";
 481                         return EXIT_FAILURE;
 482                 }
 483
 484                 if (command->GetMaxArguments() >= 0 && args.size() > command->GetMaxArguments()) {
 485                         Log(LogCritical, "cli")
 486                             << "Too many arguments. At most " << command->GetMaxArguments()
 487                             << " argument" << (command->GetMaxArguments() != 1 ? "s" : "") << " may be specified.";
 488                         return EXIT_FAILURE;
 489                 }
 490
 491                 LogSeverity logLevel = Logger::GetConsoleLogSeverity();
 492                 Logger::SetConsoleLogSeverity(LogWarning);
 493
 494                 if (vm.count("app"))
 495                         Loader::LoadExtensionLibrary(vm["app"].as<std::string>());
 496                 else
 497                         Loader::LoadExtensionLibrary("icinga");
 498
 499                 Logger::SetConsoleLogSeverity(logLevel);
 500
 501                 rc = command->Run(vm, args);
 502         }
 503
 504         return rc;
 505 }
 506
 507 #ifdef _WIN32
 508 static int SetupService(bool install, int argc, char **argv)
 509 {
 510         SC_HANDLE schSCManager = OpenSCManager(
 511                 NULL,
 512                 NULL,
 513                 SC_MANAGER_ALL_ACCESS);
 514
 515         if (NULL == schSCManager) {
 516                 printf("OpenSCManager failed (%d)\n", GetLastError());
 517                 return 1;
 518         }
 519
 520         TCHAR szPath[MAX_PATH];
 521
 522         if (!GetModuleFileName(NULL, szPath, MAX_PATH)) {
 523                 printf("Cannot install service (%d)\n", GetLastError());
 524                 return 1;
 525         }
 526
 527         String szArgs;
 528         szArgs = Utility::EscapeShellArg(szPath) + " --scm";
 529
 530         for (int i = 0; i < argc; i++)
 531                 szArgs += " " + Utility::EscapeShellArg(argv[i]);
 532
 533         SC_HANDLE schService = OpenService(schSCManager, "icinga2", SERVICE_ALL_ACCESS);
 534
 535         if (schService != NULL) {
 536                 SERVICE_STATUS status;
 537                 ControlService(schService, SERVICE_CONTROL_STOP, &status);
 538
 539                 double start = Utility::GetTime();
 540                 while (status.dwCurrentState != SERVICE_STOPPED) {
 541                         double end = Utility::GetTime();
 542
 543                         if (end - start > 30) {
 544                                 printf("Could not stop the service.\n");
 545                                 break;
 546                         }
 547
 548                         Utility::Sleep(5);
 549
 550                         if (!QueryServiceStatus(schService, &status)) {
 551                                 printf("QueryServiceStatus failed (%d)\n", GetLastError());
 552                                 return 1;
 553                         }
 554                 }
 555         } else if (install) {
 556                 schService = CreateService(
 557                         schSCManager,
 558                         "icinga2",
 559                         "Icinga 2",
 560                         SERVICE_ALL_ACCESS,
 561                         SERVICE_WIN32_OWN_PROCESS,
 562                         SERVICE_DEMAND_START,
 563                         SERVICE_ERROR_NORMAL,
 564                         szArgs.CStr(),
 565                         NULL,
 566                         NULL,
 567                         NULL,
 568                         "NT AUTHORITY\\NetworkService",
 569                         NULL);
 570
 571                 if (schService == NULL) {
 572                         printf("CreateService failed (%d)\n", GetLastError());
 573                         CloseServiceHandle(schSCManager);
 574                         return 1;
 575                 }
 576         } else {
 577                 printf("Service isn't installed.\n");
 578                 CloseServiceHandle(schSCManager);
 579                 return 0;
 580         }
 581
 582         if (!install) {
 583                 if (!DeleteService(schService)) {
 584                         printf("DeleteService failed (%d)\n", GetLastError());
 585                         CloseServiceHandle(schService);
 586                         CloseServiceHandle(schSCManager);
 587                         return 1;
 588                 }
 589
 590                 printf("Service uninstalled successfully\n");
 591         } else {
 592                 ChangeServiceConfig(schService, SERVICE_NO_CHANGE, SERVICE_AUTO_START,
 593                     SERVICE_ERROR_NORMAL, szArgs.CStr(), NULL, NULL, NULL, NULL, NULL, NULL);
 594
 595                 SERVICE_DESCRIPTION sdDescription = { "The Icinga 2 monitoring application" };
 596                 ChangeServiceConfig2(schService, SERVICE_CONFIG_DESCRIPTION, &sdDescription);
 597
 598                 if (!StartService(schService, 0, NULL)) {
 599                         printf("StartService failed (%d)\n", GetLastError());
 600                         CloseServiceHandle(schService);
 601                         CloseServiceHandle(schSCManager);
 602                         return 1;
 603                 }
 604
 605                 printf("Service installed successfully\n");
 606         }
 607
 608         CloseServiceHandle(schService);
 609         CloseServiceHandle(schSCManager);
 610
 611         return 0;
 612 }
 613
 614 VOID ReportSvcStatus(DWORD dwCurrentState,
 615         DWORD dwWin32ExitCode,
 616         DWORD dwWaitHint)
 617 {
 618         static DWORD dwCheckPoint = 1;
 619
 620         l_SvcStatus.dwCurrentState = dwCurrentState;
 621         l_SvcStatus.dwWin32ExitCode = dwWin32ExitCode;
 622         l_SvcStatus.dwWaitHint = dwWaitHint;
 623
 624         if (dwCurrentState == SERVICE_START_PENDING)
 625                 l_SvcStatus.dwControlsAccepted = 0;
 626         else
 627                 l_SvcStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP;
 628
 629         if ((dwCurrentState == SERVICE_RUNNING) ||
 630             (dwCurrentState == SERVICE_STOPPED))
 631                 l_SvcStatus.dwCheckPoint = 0;
 632         else
 633                 l_SvcStatus.dwCheckPoint = dwCheckPoint++;
 634
 635         SetServiceStatus(l_SvcStatusHandle, &l_SvcStatus);
 636 }
 637
 638 VOID WINAPI ServiceControlHandler(DWORD dwCtrl)
 639 {
 640         if (dwCtrl == SERVICE_CONTROL_STOP) {
 641                 ReportSvcStatus(SERVICE_STOP_PENDING, NO_ERROR, 0);
 642                 TerminateJobObject(l_Job, 0);
 643         }
 644 }
 645
 646 VOID WINAPI ServiceMain(DWORD argc, LPSTR *argv)
 647 {
 648         l_SvcStatusHandle = RegisterServiceCtrlHandler(
 649                 "icinga2",
 650                 ServiceControlHandler);
 651
 652         l_SvcStatus.dwServiceType = SERVICE_WIN32_OWN_PROCESS;
 653         l_SvcStatus.dwServiceSpecificExitCode = 0;
 654
 655         ReportSvcStatus(SERVICE_RUNNING, NO_ERROR, 0);
 656
 657         l_Job = CreateJobObject(NULL, NULL);
 658
 659         for (;;) {
 660                 LPSTR arg = argv[0];
 661                 String args;
 662                 int uargc = Application::GetArgC();
 663                 char **uargv = Application::GetArgV();
 664
 665                 args += Utility::EscapeShellArg(Application::GetExePath(uargv[0]));
 666
 667                 for (int i = 2; i < uargc && uargv[i]; i++) {
 668                         if (args != "")
 669                                 args += " ";
 670
 671                         args += Utility::EscapeShellArg(uargv[i]);
 672                 }
 673
 674                 STARTUPINFO si = { sizeof(si) };
 675                 PROCESS_INFORMATION pi;
 676
 677                 char *uargs = strdup(args.CStr());
 678
 679                 BOOL res = CreateProcess(NULL, uargs, NULL, NULL, FALSE, 0, NULL, NULL, &si, &pi);
 680
 681                 free(uargs);
 682
 683                 if (!res)
 684                         break;
 685
 686                 CloseHandle(pi.hThread);
 687
 688                 AssignProcessToJobObject(l_Job, pi.hProcess);
 689
 690                 if (WaitForSingleObject(pi.hProcess, INFINITE) != WAIT_OBJECT_0)
 691                         break;
 692
 693                 DWORD exitStatus;
 694
 695                 if (!GetExitCodeProcess(pi.hProcess, &exitStatus))
 696                         break;
 697
 698                 if (exitStatus != 7)
 699                         break;
 700         }
 701
 702         TerminateJobObject(l_Job, 0);
 703
 704         CloseHandle(l_Job);
 705
 706         ReportSvcStatus(SERVICE_STOPPED, NO_ERROR, 0);
 707
 708         Application::Exit(0);
 709 }
 710 #endif /* _WIN32 */
 711
 712 /**
 713 * Entry point for the Icinga application.
 714 *
 715 * @params argc Number of command line arguments.
 716 * @params argv Command line arguments.
 717 * @returns The application's exit status.
 718 */
 719 int main(int argc, char **argv)
 720 {
 721 #ifndef _WIN32
 722         rlimit rl;
 723         if (getrlimit(RLIMIT_NOFILE, &rl) >= 0) {
 724                 rlim_t maxfds = rl.rlim_max;
 725
 726                 if (maxfds == RLIM_INFINITY)
 727                         maxfds = 65536;
 728
 729                 for (rlim_t i = 3; i < maxfds; i++) {
 730                         int rc = close(i);
 731
 732 #ifdef I2_DEBUG
 733                         if (rc >= 0)
 734                                 std::cerr << "Closed FD " << i << " which we inherited from our parent process." << std::endl;
 735 #endif /* I2_DEBUG */
 736                 }
 737         }
 738 #endif /* _WIN32 */
 739
 740         /* must be called before using any other libbase functions */
 741         Application::InitializeBase();
 742
 743         /* Set command-line arguments. */
 744         Application::SetArgC(argc);
 745         Application::SetArgV(argv);
 746
 747 #ifdef _WIN32
 748         if (argc > 1 && strcmp(argv[1], "--scm-install") == 0) {
 749                 return SetupService(true, argc - 2, &argv[2]);
 750         }
 751
 752         if (argc > 1 && strcmp(argv[1], "--scm-uninstall") == 0) {
 753                 return SetupService(false, argc - 2, &argv[2]);
 754         }
 755
 756         if (argc > 1 && strcmp(argv[1], "--scm") == 0) {
 757                 SERVICE_TABLE_ENTRY dispatchTable[] = {
 758                         { "icinga2", ServiceMain },
 759                         { NULL, NULL }
 760                 };
 761
 762                 StartServiceCtrlDispatcher(dispatchTable);
 763                 Application::Exit(EXIT_FAILURE);
 764         }
 765 #endif /* _WIN32 */
 766
 767         int rc = Main();
 768
 769         Application::Exit(rc);
 770 }