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         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                 ("no-stack-rlimit", "used internally, do not specify manually")
 210                 ("arg", po::value<std::vector<std::string> >(), "positional argument");
 211
 212         po::positional_options_description positionalDesc;
 213         positionalDesc.add("arg", -1);
 214
 215         String cmdname;
 216         CLICommand::Ptr command;
 217         po::variables_map vm;
 218
 219         try {
 220                 CLICommand::ParseCommand(argc, argv, visibleDesc, hiddenDesc, positionalDesc,
 221                     vm, cmdname, command, autocomplete);
 222         } catch (const std::exception& ex) {
 223                 Log(LogCritical, "icinga-app")
 224                     << "Error while parsing command-line options: " << ex.what();
 225                 return EXIT_FAILURE;
 226         }
 227
 228         String initconfig = Application::GetSysconfDir() + "/icinga2/init.conf";
 229
 230         if (Utility::PathExists(initconfig)) {
 231                 Expression *expression;
 232                 try {
 233                         expression = ConfigCompiler::CompileFile(initconfig);
 234
 235                         ScriptFrame frame;
 236                         expression->Evaluate(frame);
 237                 } catch (const std::exception& ex) {
 238                         delete expression;
 239
 240                         Log(LogCritical, "config", DiagnosticInformation(ex));
 241                         return EXIT_FAILURE;
 242                 }
 243
 244                 delete expression;
 245         }
 246
 247 #ifndef _WIN32
 248         if (vm.count("color")) {
 249                 Console::SetType(std::cout, Console_VT100);
 250                 Console::SetType(std::cerr, Console_VT100);
 251         }
 252 #endif /* _WIN32 */
 253
 254         if (vm.count("define")) {
 255                 BOOST_FOREACH(const String& define, vm["define"].as<std::vector<std::string> >()) {
 256                         String key, value;
 257                         size_t pos = define.FindFirstOf('=');
 258                         if (pos != String::NPos) {
 259                                 key = define.SubStr(0, pos);
 260                                 value = define.SubStr(pos + 1);
 261                         } else {
 262                                 key = define;
 263                                 value = "1";
 264                         }
 265                         ScriptGlobal::Set(key, value);
 266                 }
 267         }
 268
 269         if (vm.count("script-debugger"))
 270                 Application::SetScriptDebuggerEnabled(true);
 271
 272         Application::DeclareStatePath(Application::GetLocalStateDir() + "/lib/icinga2/icinga2.state");
 273         Application::DeclareModAttrPath(Application::GetLocalStateDir() + "/lib/icinga2/modified-attributes.conf");
 274         Application::DeclareObjectsPath(Application::GetLocalStateDir() + "/cache/icinga2/icinga2.debug");
 275         Application::DeclareVarsPath(Application::GetLocalStateDir() + "/cache/icinga2/icinga2.vars");
 276         Application::DeclarePidPath(Application::GetRunDir() + "/icinga2/icinga2.pid");
 277
 278         ConfigCompiler::AddIncludeSearchDir(Application::GetIncludeConfDir());
 279
 280         if (!autocomplete && vm.count("include")) {
 281                 BOOST_FOREACH(const String& includePath, vm["include"].as<std::vector<std::string> >()) {
 282                         ConfigCompiler::AddIncludeSearchDir(includePath);
 283                 }
 284         }
 285
 286         if (!autocomplete) {
 287                 Logger::SetConsoleLogSeverity(logLevel);
 288
 289                 if (vm.count("log-level")) {
 290                         String severity = vm["log-level"].as<std::string>();
 291
 292                         LogSeverity logLevel = LogInformation;
 293                         try {
 294                                 logLevel = Logger::StringToSeverity(severity);
 295                         } catch (std::exception&) {
 296                                 /* Inform user and exit */
 297                                 Log(LogCritical, "icinga-app", "Invalid log level set. Default is 'information'.");
 298                                 return EXIT_FAILURE;
 299                         }
 300
 301                         Logger::SetConsoleLogSeverity(logLevel);
 302                 }
 303
 304                 if (vm.count("library")) {
 305                         BOOST_FOREACH(const String& libraryName, vm["library"].as<std::vector<std::string> >()) {
 306                                 try {
 307                                         (void) Loader::LoadExtensionLibrary(libraryName);
 308                                 } catch (const std::exception& ex) {
 309                                         Log(LogCritical, "icinga-app")
 310                                             <<  "Could not load library \"" << libraryName << "\": " << DiagnosticInformation(ex);
 311                                         return EXIT_FAILURE;
 312                                 }
 313                         }
 314                 }
 315
 316                 if (!command || vm.count("help") || vm.count("version")) {
 317                         String appName;
 318
 319                         try {
 320                                 appName = Utility::BaseName(Application::GetArgV()[0]);
 321                         } catch (const std::bad_alloc&) {
 322                                 Log(LogCritical, "icinga-app", "Allocation failed.");
 323                                 return EXIT_FAILURE;
 324                         }
 325
 326                         if (appName.GetLength() > 3 && appName.SubStr(0, 3) == "lt-")
 327                                 appName = appName.SubStr(3, appName.GetLength() - 3);
 328
 329                         std::cout << appName << " " << "- The Icinga 2 network monitoring daemon (version: "
 330                             << ConsoleColorTag(vm.count("version") ? Console_ForegroundRed : Console_Normal)
 331                             << Application::GetAppVersion()
 332 #ifdef I2_DEBUG
 333                             << "; debug"
 334 #endif /* I2_DEBUG */
 335                             << ConsoleColorTag(Console_Normal)
 336                             << ")" << std::endl << std::endl;
 337
 338                         if ((!command || vm.count("help")) && !vm.count("version")) {
 339                                 std::cout << "Usage:" << std::endl
 340                                     << "  " << argv[0] << " ";
 341
 342                                 if (cmdname.IsEmpty())
 343                                         std::cout << "<command>";
 344                                 else
 345                                         std::cout << cmdname;
 346
 347                                 std::cout << " [<arguments>]" << std::endl;
 348
 349                                 if (command) {
 350                                         std::cout << std::endl
 351                                                   << command->GetDescription() << std::endl;
 352                                 }
 353                         }
 354
 355                         if (vm.count("version")) {
 356                                 std::cout << "Copyright (c) 2012-2016 Icinga Development Team (https://www.icinga.org/)" << std::endl
 357                                         << "License GPLv2+: GNU GPL version 2 or later <http://gnu.org/licenses/gpl2.html>" << std::endl
 358                                         << "This is free software: you are free to change and redistribute it." << std::endl
 359                                         << "There is NO WARRANTY, to the extent permitted by law.";
 360                         }
 361
 362                         std::cout << std::endl;
 363
 364                         if (vm.count("version")) {
 365                                 std::cout << std::endl;
 366
 367                                 Application::DisplayInfoMessage(std::cout, true);
 368
 369                                 return EXIT_SUCCESS;
 370                         }
 371                 }
 372
 373                 if (!command || vm.count("help")) {
 374                         if (!command)
 375                                 CLICommand::ShowCommands(argc, argv, NULL);
 376
 377                         std::cout << visibleDesc << std::endl
 378                                 << "Report bugs at <https://dev.icinga.org/>" << std::endl
 379                                 << "Icinga home page: <https://www.icinga.org/>" << std::endl;
 380                         return EXIT_SUCCESS;
 381                 }
 382         }
 383
 384         int rc = 1;
 385
 386         if (autocomplete) {
 387                 CLICommand::ShowCommands(argc, argv, &visibleDesc, &hiddenDesc,
 388                     &GlobalArgumentCompletion, true, autoindex);
 389                 rc = 0;
 390         } else if (command) {
 391                 Logger::DisableTimestamp(true);
 392 #ifndef _WIN32
 393                 if (command->GetImpersonationLevel() == ImpersonateRoot) {
 394                         if (getuid() != 0) {
 395                                 Log(LogCritical, "cli", "This command must be run as root.");
 396                                 return 0;
 397                         }
 398                 } else if (command && command->GetImpersonationLevel() == ImpersonateIcinga) {
 399                         String group = Application::GetRunAsGroup();
 400                         String user = Application::GetRunAsUser();
 401
 402                         errno = 0;
 403                         struct group *gr = getgrnam(group.CStr());
 404
 405                         if (!gr) {
 406                                 if (errno == 0) {
 407                                         Log(LogCritical, "cli")
 408                                             << "Invalid group specified: " << group;
 409                                         return EXIT_FAILURE;
 410                                 } else {
 411                                         Log(LogCritical, "cli")
 412                                             << "getgrnam() failed with error code " << errno << ", \"" << Utility::FormatErrorNumber(errno) << "\"";
 413                                         return EXIT_FAILURE;
 414                                 }
 415                         }
 416
 417                         if (getgid() != gr->gr_gid) {
 418                                 if (!vm.count("reload-internal") && setgroups(0, NULL) < 0) {
 419                                         Log(LogCritical, "cli")
 420                                             << "setgroups() failed with error code " << errno << ", \"" << Utility::FormatErrorNumber(errno) << "\"";
 421                                         Log(LogCritical, "cli")
 422                                             << "Please re-run this command as a privileged user or using the \"" << user << "\" account.";
 423                                         return EXIT_FAILURE;
 424                                 }
 425
 426                                 if (setgid(gr->gr_gid) < 0) {
 427                                         Log(LogCritical, "cli")
 428                                             << "setgid() failed with error code " << errno << ", \"" << Utility::FormatErrorNumber(errno) << "\"";
 429                                         return EXIT_FAILURE;
 430                                 }
 431                         }
 432
 433                         errno = 0;
 434                         struct passwd *pw = getpwnam(user.CStr());
 435
 436                         if (!pw) {
 437                                 if (errno == 0) {
 438                                         Log(LogCritical, "cli")
 439                                             << "Invalid user specified: " << user;
 440                                         return EXIT_FAILURE;
 441                                 } else {
 442                                         Log(LogCritical, "cli")
 443                                             << "getpwnam() failed with error code " << errno << ", \"" << Utility::FormatErrorNumber(errno) << "\"";
 444                                         return EXIT_FAILURE;
 445                                 }
 446                         }
 447
 448                         // also activate the additional groups the configured user is member of
 449                         if (getuid() != pw->pw_uid) {
 450                                 if (!vm.count("reload-internal") && initgroups(user.CStr(), pw->pw_gid) < 0) {
 451                                         Log(LogCritical, "cli")
 452                                             << "initgroups() failed with error code " << errno << ", \"" << Utility::FormatErrorNumber(errno) << "\"";
 453                                         Log(LogCritical, "cli")
 454                                             << "Please re-run this command as a privileged user or using the \"" << user << "\" account.";
 455                                         return EXIT_FAILURE;
 456                                 }
 457
 458                                 if (setuid(pw->pw_uid) < 0) {
 459                                         Log(LogCritical, "cli")
 460                                             << "setuid() failed with error code " << errno << ", \"" << Utility::FormatErrorNumber(errno) << "\"";
 461                                         Log(LogCritical, "cli")
 462                                             << "Please re-run this command as a privileged user or using the \"" << user << "\" account.";
 463                                         return EXIT_FAILURE;
 464                                 }
 465                         }
 466                 }
 467 #endif /* _WIN32 */
 468
 469                 std::vector<std::string> args;
 470                 if (vm.count("arg"))
 471                         args = vm["arg"].as<std::vector<std::string> >();
 472
 473                 if (args.size() < command->GetMinArguments()) {
 474                         Log(LogCritical, "cli")
 475                             << "Too few arguments. Command needs at least " << command->GetMinArguments()
 476                             << " argument" << (command->GetMinArguments() != 1 ? "s" : "") << ".";
 477                         return EXIT_FAILURE;
 478                 }
 479
 480                 if (command->GetMaxArguments() >= 0 && args.size() > command->GetMaxArguments()) {
 481                         Log(LogCritical, "cli")
 482                             << "Too many arguments. At most " << command->GetMaxArguments()
 483                             << " argument" << (command->GetMaxArguments() != 1 ? "s" : "") << " may be specified.";
 484                         return EXIT_FAILURE;
 485                 }
 486
 487                 LogSeverity logLevel = Logger::GetConsoleLogSeverity();
 488                 Logger::SetConsoleLogSeverity(LogWarning);
 489
 490                 if (vm.count("app"))
 491                         Loader::LoadExtensionLibrary(vm["app"].as<std::string>());
 492                 else
 493                         Loader::LoadExtensionLibrary("icinga");
 494
 495                 Logger::SetConsoleLogSeverity(logLevel);
 496
 497                 rc = command->Run(vm, args);
 498         }
 499
 500         return rc;
 501 }
 502
 503 #ifdef _WIN32
 504 static int SetupService(bool install, int argc, char **argv)
 505 {
 506         SC_HANDLE schSCManager = OpenSCManager(
 507                 NULL,
 508                 NULL,
 509                 SC_MANAGER_ALL_ACCESS);
 510
 511         if (NULL == schSCManager) {
 512                 printf("OpenSCManager failed (%d)\n", GetLastError());
 513                 return 1;
 514         }
 515
 516         TCHAR szPath[MAX_PATH];
 517
 518         if (!GetModuleFileName(NULL, szPath, MAX_PATH)) {
 519                 printf("Cannot install service (%d)\n", GetLastError());
 520                 return 1;
 521         }
 522
 523         String szArgs;
 524         szArgs = Utility::EscapeShellArg(szPath) + " --scm";
 525
 526         for (int i = 0; i < argc; i++)
 527                 szArgs += " " + Utility::EscapeShellArg(argv[i]);
 528
 529         SC_HANDLE schService = OpenService(schSCManager, "icinga2", SERVICE_ALL_ACCESS);
 530
 531         if (schService != NULL) {
 532                 SERVICE_STATUS status;
 533                 ControlService(schService, SERVICE_CONTROL_STOP, &status);
 534
 535                 double start = Utility::GetTime();
 536                 while (status.dwCurrentState != SERVICE_STOPPED) {
 537                         double end = Utility::GetTime();
 538
 539                         if (end - start > 30) {
 540                                 printf("Could not stop the service.\n");
 541                                 break;
 542                         }
 543
 544                         Utility::Sleep(5);
 545
 546                         if (!QueryServiceStatus(schService, &status)) {
 547                                 printf("QueryServiceStatus failed (%d)\n", GetLastError());
 548                                 return 1;
 549                         }
 550                 }
 551         } else if (install) {
 552                 schService = CreateService(
 553                         schSCManager,
 554                         "icinga2",
 555                         "Icinga 2",
 556                         SERVICE_ALL_ACCESS,
 557                         SERVICE_WIN32_OWN_PROCESS,
 558                         SERVICE_DEMAND_START,
 559                         SERVICE_ERROR_NORMAL,
 560                         szArgs.CStr(),
 561                         NULL,
 562                         NULL,
 563                         NULL,
 564                         "NT AUTHORITY\\NetworkService",
 565                         NULL);
 566
 567                 if (schService == NULL) {
 568                         printf("CreateService failed (%d)\n", GetLastError());
 569                         CloseServiceHandle(schSCManager);
 570                         return 1;
 571                 }
 572         } else {
 573                 printf("Service isn't installed.\n");
 574                 CloseServiceHandle(schSCManager);
 575                 return 0;
 576         }
 577
 578         if (!install) {
 579                 if (!DeleteService(schService)) {
 580                         printf("DeleteService failed (%d)\n", GetLastError());
 581                         CloseServiceHandle(schService);
 582                         CloseServiceHandle(schSCManager);
 583                         return 1;
 584                 }
 585
 586                 printf("Service uninstalled successfully\n");
 587         } else {
 588                 ChangeServiceConfig(schService, SERVICE_NO_CHANGE, SERVICE_AUTO_START,
 589                     SERVICE_ERROR_NORMAL, szArgs.CStr(), NULL, NULL, NULL, NULL, NULL, NULL);
 590
 591                 SERVICE_DESCRIPTION sdDescription = { "The Icinga 2 monitoring application" };
 592                 ChangeServiceConfig2(schService, SERVICE_CONFIG_DESCRIPTION, &sdDescription);
 593
 594                 if (!StartService(schService, 0, NULL)) {
 595                         printf("StartService failed (%d)\n", GetLastError());
 596                         CloseServiceHandle(schService);
 597                         CloseServiceHandle(schSCManager);
 598                         return 1;
 599                 }
 600
 601                 printf("Service installed successfully\n");
 602         }
 603
 604         CloseServiceHandle(schService);
 605         CloseServiceHandle(schSCManager);
 606
 607         return 0;
 608 }
 609
 610 VOID ReportSvcStatus(DWORD dwCurrentState,
 611         DWORD dwWin32ExitCode,
 612         DWORD dwWaitHint)
 613 {
 614         static DWORD dwCheckPoint = 1;
 615
 616         l_SvcStatus.dwCurrentState = dwCurrentState;
 617         l_SvcStatus.dwWin32ExitCode = dwWin32ExitCode;
 618         l_SvcStatus.dwWaitHint = dwWaitHint;
 619
 620         if (dwCurrentState == SERVICE_START_PENDING)
 621                 l_SvcStatus.dwControlsAccepted = 0;
 622         else
 623                 l_SvcStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP;
 624
 625         if ((dwCurrentState == SERVICE_RUNNING) ||
 626             (dwCurrentState == SERVICE_STOPPED))
 627                 l_SvcStatus.dwCheckPoint = 0;
 628         else
 629                 l_SvcStatus.dwCheckPoint = dwCheckPoint++;
 630
 631         SetServiceStatus(l_SvcStatusHandle, &l_SvcStatus);
 632 }
 633
 634 VOID WINAPI ServiceControlHandler(DWORD dwCtrl)
 635 {
 636         if (dwCtrl == SERVICE_CONTROL_STOP) {
 637                 ReportSvcStatus(SERVICE_STOP_PENDING, NO_ERROR, 0);
 638                 TerminateJobObject(l_Job, 0);
 639         }
 640 }
 641
 642 VOID WINAPI ServiceMain(DWORD argc, LPSTR *argv)
 643 {
 644         l_SvcStatusHandle = RegisterServiceCtrlHandler(
 645                 "icinga2",
 646                 ServiceControlHandler);
 647
 648         l_SvcStatus.dwServiceType = SERVICE_WIN32_OWN_PROCESS;
 649         l_SvcStatus.dwServiceSpecificExitCode = 0;
 650
 651         ReportSvcStatus(SERVICE_RUNNING, NO_ERROR, 0);
 652
 653         l_Job = CreateJobObject(NULL, NULL);
 654
 655         for (;;) {
 656                 LPSTR arg = argv[0];
 657                 String args;
 658                 int uargc = Application::GetArgC();
 659                 char **uargv = Application::GetArgV();
 660
 661                 args += Utility::EscapeShellArg(Application::GetExePath(uargv[0]));
 662
 663                 for (int i = 2; i < uargc && uargv[i]; i++) {
 664                         if (args != "")
 665                                 args += " ";
 666
 667                         args += Utility::EscapeShellArg(uargv[i]);
 668                 }
 669
 670                 STARTUPINFO si = { sizeof(si) };
 671                 PROCESS_INFORMATION pi;
 672
 673                 char *uargs = strdup(args.CStr());
 674
 675                 BOOL res = CreateProcess(NULL, uargs, NULL, NULL, FALSE, 0, NULL, NULL, &si, &pi);
 676
 677                 free(uargs);
 678
 679                 if (!res)
 680                         break;
 681
 682                 CloseHandle(pi.hThread);
 683
 684                 AssignProcessToJobObject(l_Job, pi.hProcess);
 685
 686                 if (WaitForSingleObject(pi.hProcess, INFINITE) != WAIT_OBJECT_0)
 687                         break;
 688
 689                 DWORD exitStatus;
 690
 691                 if (!GetExitCodeProcess(pi.hProcess, &exitStatus))
 692                         break;
 693
 694                 if (exitStatus != 7)
 695                         break;
 696         }
 697
 698         TerminateJobObject(l_Job, 0);
 699
 700         CloseHandle(l_Job);
 701
 702         ReportSvcStatus(SERVICE_STOPPED, NO_ERROR, 0);
 703
 704         Application::Exit(0);
 705 }
 706 #endif /* _WIN32 */
 707
 708 /**
 709 * Entry point for the Icinga application.
 710 *
 711 * @params argc Number of command line arguments.
 712 * @params argv Command line arguments.
 713 * @returns The application's exit status.
 714 */
 715 int main(int argc, char **argv)
 716 {
 717 #ifndef _WIN32
 718         rlimit rl;
 719         if (getrlimit(RLIMIT_NOFILE, &rl) >= 0) {
 720                 rlim_t maxfds = rl.rlim_max;
 721
 722                 if (maxfds == RLIM_INFINITY)
 723                         maxfds = 65536;
 724
 725                 for (rlim_t i = 3; i < maxfds; i++) {
 726                         int rc = close(i);
 727
 728 #ifdef I2_DEBUG
 729                         if (rc >= 0)
 730                                 std::cerr << "Closed FD " << i << " which we inherited from our parent process." << std::endl;
 731 #endif /* I2_DEBUG */
 732                 }
 733         }
 734 #endif /* _WIN32 */
 735
 736         /* must be called before using any other libbase functions */
 737         Application::InitializeBase();
 738
 739         /* Set command-line arguments. */
 740         Application::SetArgC(argc);
 741         Application::SetArgV(argv);
 742
 743 #ifdef _WIN32
 744         if (argc > 1 && strcmp(argv[1], "--scm-install") == 0) {
 745                 return SetupService(true, argc - 2, &argv[2]);
 746         }
 747
 748         if (argc > 1 && strcmp(argv[1], "--scm-uninstall") == 0) {
 749                 return SetupService(false, argc - 2, &argv[2]);
 750         }
 751
 752         if (argc > 1 && strcmp(argv[1], "--scm") == 0) {
 753                 SERVICE_TABLE_ENTRY dispatchTable[] = {
 754                         { "icinga2", ServiceMain },
 755                         { NULL, NULL }
 756                 };
 757
 758                 StartServiceCtrlDispatcher(dispatchTable);
 759                 Application::Exit(EXIT_FAILURE);
 760         }
 761 #endif /* _WIN32 */
 762
 763         int rc = Main();
 764
 765         Application::Exit(rc);
 766 }