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