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

   1 /******************************************************************************
   2  * Icinga 2                                                                   *
   3  * Copyright (C) 2012-2017 Icinga Development Team (https://www.icinga.com/)  *
   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 "base/process.hpp"
  35 #include "config.h"
  36 #include <boost/program_options.hpp>
  37 #include <boost/tuple/tuple.hpp>
  38
  39 #ifndef _WIN32
  40 #       include <sys/types.h>
  41 #       include <pwd.h>
  42 #       include <grp.h>
  43 #endif /* _WIN32 */
  44
  45 using namespace icinga;
  46 namespace po = boost::program_options;
  47
  48 #ifdef _WIN32
  49 static SERVICE_STATUS l_SvcStatus;
  50 static SERVICE_STATUS_HANDLE l_SvcStatusHandle;
  51 static HANDLE l_Job;
  52 #endif /* _WIN32 */
  53
  54 static std::vector<String> GetLogLevelCompletionSuggestions(const String& arg)
  55 {
  56         std::vector<String> result;
  57
  58         String debugLevel = "debug";
  59         if (debugLevel.Find(arg) == 0)
  60                 result.push_back(debugLevel);
  61
  62         String noticeLevel = "notice";
  63         if (noticeLevel.Find(arg) == 0)
  64                 result.push_back(noticeLevel);
  65
  66         String informationLevel = "information";
  67         if (informationLevel.Find(arg) == 0)
  68                 result.push_back(informationLevel);
  69
  70         String warningLevel = "warning";
  71         if (warningLevel.Find(arg) == 0)
  72                 result.push_back(warningLevel);
  73
  74         String criticalLevel = "critical";
  75         if (criticalLevel.Find(arg) == 0)
  76                 result.push_back(criticalLevel);
  77
  78         return result;
  79 }
  80
  81 static std::vector<String> GlobalArgumentCompletion(const String& argument, const String& word)
  82 {
  83         if (argument == "include")
  84                 return GetBashCompletionSuggestions("directory", word);
  85         else if (argument == "log-level")
  86                 return GetLogLevelCompletionSuggestions(word);
  87         else
  88                 return std::vector<String>();
  89 }
  90
  91 int Main(void)
  92 {
  93         int argc = Application::GetArgC();
  94         char **argv = Application::GetArgV();
  95
  96         bool autocomplete = false;
  97         int autoindex = 0;
  98
  99         if (argc >= 4 && strcmp(argv[1], "--autocomplete") == 0) {
 100                 autocomplete = true;
 101
 102                 try {
 103                         autoindex = Convert::ToLong(argv[2]);
 104                 } catch (const std::invalid_argument& ex) {
 105                         Log(LogCritical, "icinga-app")
 106                             << "Invalid index for --autocomplete: " << argv[2];
 107                         return EXIT_FAILURE;
 108                 }
 109
 110                 argc -= 3;
 111                 argv += 3;
 112         }
 113
 114         Application::SetStartTime(Utility::GetTime());
 115
 116         if (!autocomplete)
 117                 Application::SetResourceLimits();
 118
 119         /* Set thread title. */
 120         Utility::SetThreadName("Main Thread", false);
 121
 122         /* Install exception handlers to make debugging easier. */
 123         Application::InstallExceptionHandlers();
 124
 125 #ifdef _WIN32
 126         bool builtinPaths = true;
 127
 128         String binaryPrefix = Utility::GetIcingaInstallPath();
 129         String dataPrefix = Utility::GetIcingaDataPath();
 130
 131         if (!binaryPrefix.IsEmpty() && !dataPrefix.IsEmpty()) {
 132                 Application::DeclarePrefixDir(binaryPrefix);
 133                 Application::DeclareSysconfDir(dataPrefix + "\\etc");
 134                 Application::DeclareRunDir(dataPrefix + "\\var\\run");
 135                 Application::DeclareLocalStateDir(dataPrefix + "\\var");
 136                 Application::DeclarePkgDataDir(binaryPrefix + "\\share\\icinga2");
 137                 Application::DeclareIncludeConfDir(binaryPrefix + "\\share\\icinga2\\include");
 138         } else {
 139                 Log(LogWarning, "icinga-app", "Registry key could not be read. Falling back to built-in paths.");
 140
 141 #endif /* _WIN32 */
 142                 Application::DeclarePrefixDir(ICINGA_PREFIX);
 143                 Application::DeclareSysconfDir(ICINGA_SYSCONFDIR);
 144                 Application::DeclareRunDir(ICINGA_RUNDIR);
 145                 Application::DeclareLocalStateDir(ICINGA_LOCALSTATEDIR);
 146                 Application::DeclarePkgDataDir(ICINGA_PKGDATADIR);
 147                 Application::DeclareIncludeConfDir(ICINGA_INCLUDECONFDIR);
 148 #ifdef _WIN32
 149         }
 150 #endif /* _WIN32 */
 151
 152         Application::DeclareZonesDir(Application::GetSysconfDir() + "/icinga2/zones.d");
 153         Application::DeclareRunAsUser(ICINGA_USER);
 154         Application::DeclareRunAsGroup(ICINGA_GROUP);
 155         Application::DeclareConcurrency(boost::thread::hardware_concurrency());
 156
 157         ScriptGlobal::Set("AttachDebugger", false);
 158
 159         ScriptGlobal::Set("PlatformKernel", Utility::GetPlatformKernel());
 160         ScriptGlobal::Set("PlatformKernelVersion", Utility::GetPlatformKernelVersion());
 161         ScriptGlobal::Set("PlatformName", Utility::GetPlatformName());
 162         ScriptGlobal::Set("PlatformVersion", Utility::GetPlatformVersion());
 163         ScriptGlobal::Set("PlatformArchitecture", Utility::GetPlatformArchitecture());
 164
 165         ScriptGlobal::Set("BuildHostName", ICINGA_BUILD_HOST_NAME);
 166         ScriptGlobal::Set("BuildCompilerName", ICINGA_BUILD_COMPILER_NAME);
 167         ScriptGlobal::Set("BuildCompilerVersion", ICINGA_BUILD_COMPILER_VERSION);
 168
 169         LogSeverity logLevel = Logger::GetConsoleLogSeverity();
 170         Logger::SetConsoleLogSeverity(LogWarning);
 171
 172         Loader::LoadExtensionLibrary("cli");
 173
 174         po::options_description visibleDesc("Global options");
 175
 176         visibleDesc.add_options()
 177                 ("help,h", "show this help message")
 178                 ("version,V", "show version information")
 179 #ifndef _WIN32
 180                 ("color", "use VT100 color codes even when stdout is not a terminal")
 181 #endif /* _WIN32 */
 182                 ("define,D", po::value<std::vector<std::string> >(), "define a constant")
 183                 ("app,a", po::value<std::string>(), "application library name (default: icinga)")
 184                 ("library,l", po::value<std::vector<std::string> >(), "load a library")
 185                 ("include,I", po::value<std::vector<std::string> >(), "add include search directory")
 186                 ("log-level,x", po::value<std::string>(), "specify the log level for the console log.\n"
 187                     "The valid value is either debug, notice, information (default), warning, or critical")
 188                 ("script-debugger,X", "whether to enable the script debugger");
 189
 190         po::options_description hiddenDesc("Hidden options");
 191
 192         hiddenDesc.add_options()
 193                 ("no-stack-rlimit", "used internally, do not specify manually")
 194                 ("arg", po::value<std::vector<std::string> >(), "positional argument");
 195
 196         po::positional_options_description positionalDesc;
 197         positionalDesc.add("arg", -1);
 198
 199         String cmdname;
 200         CLICommand::Ptr command;
 201         po::variables_map vm;
 202
 203         try {
 204                 CLICommand::ParseCommand(argc, argv, visibleDesc, hiddenDesc, positionalDesc,
 205                     vm, cmdname, command, autocomplete);
 206         } catch (const std::exception& ex) {
 207                 Log(LogCritical, "icinga-app")
 208                     << "Error while parsing command-line options: " << ex.what();
 209                 return EXIT_FAILURE;
 210         }
 211
 212         String initconfig = Application::GetSysconfDir() + "/icinga2/init.conf";
 213
 214         if (Utility::PathExists(initconfig)) {
 215                 Expression *expression;
 216                 try {
 217                         expression = ConfigCompiler::CompileFile(initconfig);
 218
 219                         ScriptFrame frame;
 220                         expression->Evaluate(frame);
 221                 } catch (const std::exception& ex) {
 222                         delete expression;
 223
 224                         Log(LogCritical, "config", DiagnosticInformation(ex));
 225                         return EXIT_FAILURE;
 226                 }
 227
 228                 delete expression;
 229         }
 230
 231 #ifndef _WIN32
 232         if (vm.count("color")) {
 233                 Console::SetType(std::cout, Console_VT100);
 234                 Console::SetType(std::cerr, Console_VT100);
 235         }
 236 #endif /* _WIN32 */
 237
 238         if (vm.count("define")) {
 239                 for (const String& define : vm["define"].as<std::vector<std::string> >()) {
 240                         String key, value;
 241                         size_t pos = define.FindFirstOf('=');
 242                         if (pos != String::NPos) {
 243                                 key = define.SubStr(0, pos);
 244                                 value = define.SubStr(pos + 1);
 245                         } else {
 246                                 key = define;
 247                                 value = "1";
 248                         }
 249                         ScriptGlobal::Set(key, value);
 250                 }
 251         }
 252
 253         if (vm.count("script-debugger"))
 254                 Application::SetScriptDebuggerEnabled(true);
 255
 256         Application::DeclareStatePath(Application::GetLocalStateDir() + "/lib/icinga2/icinga2.state");
 257         Application::DeclareModAttrPath(Application::GetLocalStateDir() + "/lib/icinga2/modified-attributes.conf");
 258         Application::DeclareObjectsPath(Application::GetLocalStateDir() + "/cache/icinga2/icinga2.debug");
 259         Application::DeclareVarsPath(Application::GetLocalStateDir() + "/cache/icinga2/icinga2.vars");
 260         Application::DeclarePidPath(Application::GetRunDir() + "/icinga2/icinga2.pid");
 261
 262         ConfigCompiler::AddIncludeSearchDir(Application::GetIncludeConfDir());
 263
 264         if (!autocomplete && vm.count("include")) {
 265                 for (const String& includePath : vm["include"].as<std::vector<std::string> >()) {
 266                         ConfigCompiler::AddIncludeSearchDir(includePath);
 267                 }
 268         }
 269
 270         if (!autocomplete) {
 271                 Logger::SetConsoleLogSeverity(logLevel);
 272
 273                 if (vm.count("log-level")) {
 274                         String severity = vm["log-level"].as<std::string>();
 275
 276                         LogSeverity logLevel = LogInformation;
 277                         try {
 278                                 logLevel = Logger::StringToSeverity(severity);
 279                         } catch (std::exception&) {
 280                                 /* Inform user and exit */
 281                                 Log(LogCritical, "icinga-app", "Invalid log level set. Default is 'information'.");
 282                                 return EXIT_FAILURE;
 283                         }
 284
 285                         Logger::SetConsoleLogSeverity(logLevel);
 286                 }
 287
 288                 if (vm.count("library")) {
 289                         for (const String& libraryName : vm["library"].as<std::vector<std::string> >()) {
 290                                 try {
 291                                         (void) Loader::LoadExtensionLibrary(libraryName);
 292                                 } catch (const std::exception& ex) {
 293                                         Log(LogCritical, "icinga-app")
 294                                             <<  "Could not load library \"" << libraryName << "\": " << DiagnosticInformation(ex);
 295                                         return EXIT_FAILURE;
 296                                 }
 297                         }
 298                 }
 299
 300                 if (!command || vm.count("help") || vm.count("version")) {
 301                         String appName;
 302
 303                         try {
 304                                 appName = Utility::BaseName(Application::GetArgV()[0]);
 305                         } catch (const std::bad_alloc&) {
 306                                 Log(LogCritical, "icinga-app", "Allocation failed.");
 307                                 return EXIT_FAILURE;
 308                         }
 309
 310                         if (appName.GetLength() > 3 && appName.SubStr(0, 3) == "lt-")
 311                                 appName = appName.SubStr(3, appName.GetLength() - 3);
 312
 313                         std::cout << appName << " " << "- The Icinga 2 network monitoring daemon (version: "
 314                             << ConsoleColorTag(vm.count("version") ? Console_ForegroundRed : Console_Normal)
 315                             << Application::GetAppVersion()
 316 #ifdef I2_DEBUG
 317                             << "; debug"
 318 #endif /* I2_DEBUG */
 319                             << ConsoleColorTag(Console_Normal)
 320                             << ")" << std::endl << std::endl;
 321
 322                         if ((!command || vm.count("help")) && !vm.count("version")) {
 323                                 std::cout << "Usage:" << std::endl
 324                                     << "  " << Utility::BaseName(argv[0]) << " ";
 325
 326                                 if (cmdname.IsEmpty())
 327                                         std::cout << "<command>";
 328                                 else
 329                                         std::cout << cmdname;
 330
 331                                 std::cout << " [<arguments>]" << std::endl;
 332
 333                                 if (command) {
 334                                         std::cout << std::endl
 335                                                   << command->GetDescription() << std::endl;
 336                                 }
 337                         }
 338
 339                         if (vm.count("version")) {
 340                                 std::cout << "Copyright (c) 2012-2017 Icinga Development Team (https://www.icinga.com/)" << std::endl
 341                                         << "License GPLv2+: GNU GPL version 2 or later <http://gnu.org/licenses/gpl2.html>" << std::endl
 342                                         << "This is free software: you are free to change and redistribute it." << std::endl
 343                                         << "There is NO WARRANTY, to the extent permitted by law.";
 344                         }
 345
 346                         std::cout << std::endl;
 347
 348                         if (vm.count("version")) {
 349                                 std::cout << std::endl;
 350
 351                                 Application::DisplayInfoMessage(std::cout, true);
 352
 353                                 return EXIT_SUCCESS;
 354                         }
 355                 }
 356
 357                 if (!command || vm.count("help")) {
 358                         if (!command)
 359                                 CLICommand::ShowCommands(argc, argv, NULL);
 360
 361                         std::cout << visibleDesc << std::endl
 362                                 << "Report bugs at <https://github.com/Icinga/icinga2>" << std::endl
 363                                 << "Icinga home page: <https://www.icinga.com/>" << std::endl;
 364                         return EXIT_SUCCESS;
 365                 }
 366         }
 367
 368         int rc = 1;
 369
 370         if (autocomplete) {
 371                 CLICommand::ShowCommands(argc, argv, &visibleDesc, &hiddenDesc,
 372                     &GlobalArgumentCompletion, true, autoindex);
 373                 rc = 0;
 374         } else if (command) {
 375                 Logger::DisableTimestamp(true);
 376 #ifndef _WIN32
 377                 if (command->GetImpersonationLevel() == ImpersonateRoot) {
 378                         if (getuid() != 0) {
 379                                 Log(LogCritical, "cli", "This command must be run as root.");
 380                                 return 0;
 381                         }
 382                 } else if (command && command->GetImpersonationLevel() == ImpersonateIcinga) {
 383                         String group = Application::GetRunAsGroup();
 384                         String user = Application::GetRunAsUser();
 385
 386                         errno = 0;
 387                         struct group *gr = getgrnam(group.CStr());
 388
 389                         if (!gr) {
 390                                 if (errno == 0) {
 391                                         Log(LogCritical, "cli")
 392                                             << "Invalid group specified: " << group;
 393                                         return EXIT_FAILURE;
 394                                 } else {
 395                                         Log(LogCritical, "cli")
 396                                             << "getgrnam() failed with error code " << errno << ", \"" << Utility::FormatErrorNumber(errno) << "\"";
 397                                         return EXIT_FAILURE;
 398                                 }
 399                         }
 400
 401                         if (getgid() != gr->gr_gid) {
 402                                 if (!vm.count("reload-internal") && setgroups(0, NULL) < 0) {
 403                                         Log(LogCritical, "cli")
 404                                             << "setgroups() failed with error code " << errno << ", \"" << Utility::FormatErrorNumber(errno) << "\"";
 405                                         Log(LogCritical, "cli")
 406                                             << "Please re-run this command as a privileged user or using the \"" << user << "\" account.";
 407                                         return EXIT_FAILURE;
 408                                 }
 409
 410                                 if (setgid(gr->gr_gid) < 0) {
 411                                         Log(LogCritical, "cli")
 412                                             << "setgid() failed with error code " << errno << ", \"" << Utility::FormatErrorNumber(errno) << "\"";
 413                                         return EXIT_FAILURE;
 414                                 }
 415                         }
 416
 417                         errno = 0;
 418                         struct passwd *pw = getpwnam(user.CStr());
 419
 420                         if (!pw) {
 421                                 if (errno == 0) {
 422                                         Log(LogCritical, "cli")
 423                                             << "Invalid user specified: " << user;
 424                                         return EXIT_FAILURE;
 425                                 } else {
 426                                         Log(LogCritical, "cli")
 427                                             << "getpwnam() failed with error code " << errno << ", \"" << Utility::FormatErrorNumber(errno) << "\"";
 428                                         return EXIT_FAILURE;
 429                                 }
 430                         }
 431
 432                         // also activate the additional groups the configured user is member of
 433                         if (getuid() != pw->pw_uid) {
 434                                 if (!vm.count("reload-internal") && initgroups(user.CStr(), pw->pw_gid) < 0) {
 435                                         Log(LogCritical, "cli")
 436                                             << "initgroups() failed with error code " << errno << ", \"" << Utility::FormatErrorNumber(errno) << "\"";
 437                                         Log(LogCritical, "cli")
 438                                             << "Please re-run this command as a privileged user or using the \"" << user << "\" account.";
 439                                         return EXIT_FAILURE;
 440                                 }
 441
 442                                 if (setuid(pw->pw_uid) < 0) {
 443                                         Log(LogCritical, "cli")
 444                                             << "setuid() failed with error code " << errno << ", \"" << Utility::FormatErrorNumber(errno) << "\"";
 445                                         Log(LogCritical, "cli")
 446                                             << "Please re-run this command as a privileged user or using the \"" << user << "\" account.";
 447                                         return EXIT_FAILURE;
 448                                 }
 449                         }
 450                 }
 451
 452                 Process::InitializeSpawnHelper();
 453 #endif /* _WIN32 */
 454
 455                 std::vector<std::string> args;
 456                 if (vm.count("arg"))
 457                         args = vm["arg"].as<std::vector<std::string> >();
 458
 459                 if (static_cast<int>(args.size()) < command->GetMinArguments()) {
 460                         Log(LogCritical, "cli")
 461                             << "Too few arguments. Command needs at least " << command->GetMinArguments()
 462                             << " argument" << (command->GetMinArguments() != 1 ? "s" : "") << ".";
 463                         return EXIT_FAILURE;
 464                 }
 465
 466                 if (command->GetMaxArguments() >= 0 && static_cast<int>(args.size()) > command->GetMaxArguments()) {
 467                         Log(LogCritical, "cli")
 468                             << "Too many arguments. At most " << command->GetMaxArguments()
 469                             << " argument" << (command->GetMaxArguments() != 1 ? "s" : "") << " may be specified.";
 470                         return EXIT_FAILURE;
 471                 }
 472
 473                 LogSeverity logLevel = Logger::GetConsoleLogSeverity();
 474                 Logger::SetConsoleLogSeverity(LogWarning);
 475
 476                 if (vm.count("app"))
 477                         Loader::LoadExtensionLibrary(vm["app"].as<std::string>());
 478                 else
 479                         Loader::LoadExtensionLibrary("icinga");
 480
 481                 Logger::SetConsoleLogSeverity(logLevel);
 482
 483                 rc = command->Run(vm, args);
 484         }
 485
 486         return rc;
 487 }
 488
 489 #ifdef _WIN32
 490 static int SetupService(bool install, int argc, char **argv)
 491 {
 492         SC_HANDLE schSCManager = OpenSCManager(
 493                 NULL,
 494                 NULL,
 495                 SC_MANAGER_ALL_ACCESS);
 496
 497         if (NULL == schSCManager) {
 498                 printf("OpenSCManager failed (%d)\n", GetLastError());
 499                 return 1;
 500         }
 501
 502         TCHAR szPath[MAX_PATH];
 503
 504         if (!GetModuleFileName(NULL, szPath, MAX_PATH)) {
 505                 printf("Cannot install service (%d)\n", GetLastError());
 506                 return 1;
 507         }
 508
 509         String szArgs;
 510         szArgs = Utility::EscapeShellArg(szPath) + " --scm";
 511
 512         std::string scmUser = "NT AUTHORITY\\NetworkService";
 513         std::ifstream initf(Utility::GetIcingaDataPath() + "\\etc\\icinga2\\user");
 514         if (initf.good()) {
 515                 std::getline(initf, scmUser);
 516         }
 517         initf.close();
 518
 519         for (int i = 0; i < argc; i++) {
 520                 if (!strcmp(argv[i], "--scm-user") && i + 1 < argc) {
 521                         scmUser = argv[i + 1];
 522                         i++;
 523                 } else
 524                         szArgs += " " + Utility::EscapeShellArg(argv[i]);
 525         }
 526
 527         SC_HANDLE schService = OpenService(schSCManager, "icinga2", SERVICE_ALL_ACCESS);
 528
 529         if (schService != NULL) {
 530                 SERVICE_STATUS status;
 531                 ControlService(schService, SERVICE_CONTROL_STOP, &status);
 532
 533                 double start = Utility::GetTime();
 534                 while (status.dwCurrentState != SERVICE_STOPPED) {
 535                         double end = Utility::GetTime();
 536
 537                         if (end - start > 30) {
 538                                 printf("Could not stop the service.\n");
 539                                 break;
 540                         }
 541
 542                         Utility::Sleep(5);
 543
 544                         if (!QueryServiceStatus(schService, &status)) {
 545                                 printf("QueryServiceStatus failed (%d)\n", GetLastError());
 546                                 return 1;
 547                         }
 548                 }
 549         } else if (install) {
 550                 schService = CreateService(
 551                         schSCManager,
 552                         "icinga2",
 553                         "Icinga 2",
 554                         SERVICE_ALL_ACCESS,
 555                         SERVICE_WIN32_OWN_PROCESS,
 556                         SERVICE_DEMAND_START,
 557                         SERVICE_ERROR_NORMAL,
 558                         szArgs.CStr(),
 559                         NULL,
 560                         NULL,
 561                         NULL,
 562                         scmUser.c_str(),
 563                         NULL);
 564
 565                 if (schService == NULL) {
 566                         printf("CreateService failed (%d)\n", GetLastError());
 567                         CloseServiceHandle(schSCManager);
 568                         return 1;
 569                 }
 570         } else {
 571                 printf("Service isn't installed.\n");
 572                 CloseServiceHandle(schSCManager);
 573                 return 0;
 574         }
 575
 576         if (!install) {
 577                 if (!DeleteService(schService)) {
 578                         printf("DeleteService failed (%d)\n", GetLastError());
 579                         CloseServiceHandle(schService);
 580                         CloseServiceHandle(schSCManager);
 581                         return 1;
 582                 }
 583
 584                 printf("Service uninstalled successfully\n");
 585         } else {
 586                 if (!ChangeServiceConfig(schService, SERVICE_NO_CHANGE, SERVICE_AUTO_START,
 587                         SERVICE_ERROR_NORMAL, szArgs.CStr(), NULL, NULL, NULL, scmUser.c_str(), NULL, NULL)) {
 588                         printf("ChangeServiceConfig failed (%d)\n", GetLastError());
 589                         CloseServiceHandle(schService);
 590                         CloseServiceHandle(schSCManager);
 591                         return 1;
 592                 }
 593
 594                 SERVICE_DESCRIPTION sdDescription = { "The Icinga 2 monitoring application" };
 595                 if(!ChangeServiceConfig2(schService, SERVICE_CONFIG_DESCRIPTION, &sdDescription)) {
 596                         printf("ChangeServiceConfig2 failed (%d)\n", GetLastError());
 597                         CloseServiceHandle(schService);
 598                         CloseServiceHandle(schSCManager);
 599                         return 1;
 600                 }
 601
 602                 if (!StartService(schService, 0, NULL)) {
 603                         printf("StartService failed (%d)\n", GetLastError());
 604                         CloseServiceHandle(schService);
 605                         CloseServiceHandle(schSCManager);
 606                         return 1;
 607                 }
 608
 609                 printf("Service successfully installed for user '%s'\n", scmUser);
 610
 611                 std::ofstream fuser(Utility::GetIcingaDataPath() + "\\etc\\icinga2\\user", std::ios::out | std::ios::trunc);
 612                 if (fuser)
 613                         fuser << scmUser;
 614                 else
 615                         printf("Could not write user to %s\\etc\\icinga2\\user", Utility::GetIcingaDataPath());
 616                 fuser.close();
 617         }
 618
 619         CloseServiceHandle(schService);
 620         CloseServiceHandle(schSCManager);
 621
 622         return 0;
 623 }
 624
 625 VOID ReportSvcStatus(DWORD dwCurrentState,
 626         DWORD dwWin32ExitCode,
 627         DWORD dwWaitHint)
 628 {
 629         static DWORD dwCheckPoint = 1;
 630
 631         l_SvcStatus.dwCurrentState = dwCurrentState;
 632         l_SvcStatus.dwWin32ExitCode = dwWin32ExitCode;
 633         l_SvcStatus.dwWaitHint = dwWaitHint;
 634
 635         if (dwCurrentState == SERVICE_START_PENDING)
 636                 l_SvcStatus.dwControlsAccepted = 0;
 637         else
 638                 l_SvcStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP;
 639
 640         if ((dwCurrentState == SERVICE_RUNNING) ||
 641             (dwCurrentState == SERVICE_STOPPED))
 642                 l_SvcStatus.dwCheckPoint = 0;
 643         else
 644                 l_SvcStatus.dwCheckPoint = dwCheckPoint++;
 645
 646         SetServiceStatus(l_SvcStatusHandle, &l_SvcStatus);
 647 }
 648
 649 VOID WINAPI ServiceControlHandler(DWORD dwCtrl)
 650 {
 651         if (dwCtrl == SERVICE_CONTROL_STOP) {
 652                 ReportSvcStatus(SERVICE_STOP_PENDING, NO_ERROR, 0);
 653                 TerminateJobObject(l_Job, 0);
 654         }
 655 }
 656
 657 VOID WINAPI ServiceMain(DWORD argc, LPSTR *argv)
 658 {
 659         l_SvcStatusHandle = RegisterServiceCtrlHandler(
 660                 "icinga2",
 661                 ServiceControlHandler);
 662
 663         l_SvcStatus.dwServiceType = SERVICE_WIN32_OWN_PROCESS;
 664         l_SvcStatus.dwServiceSpecificExitCode = 0;
 665
 666         ReportSvcStatus(SERVICE_RUNNING, NO_ERROR, 0);
 667         l_Job = CreateJobObject(NULL, NULL);
 668
 669         for (;;) {
 670                 LPSTR arg = argv[0];
 671                 String args;
 672                 int uargc = Application::GetArgC();
 673                 char **uargv = Application::GetArgV();
 674
 675                 args += Utility::EscapeShellArg(Application::GetExePath(uargv[0]));
 676
 677                 for (int i = 2; i < uargc && uargv[i]; i++) {
 678                         if (args != "")
 679                                 args += " ";
 680
 681                         args += Utility::EscapeShellArg(uargv[i]);
 682                 }
 683
 684                 STARTUPINFO si = { sizeof(si) };
 685                 PROCESS_INFORMATION pi;
 686
 687                 char *uargs = strdup(args.CStr());
 688
 689                 BOOL res = CreateProcess(NULL, uargs, NULL, NULL, FALSE, 0, NULL, NULL, &si, &pi);
 690
 691                 free(uargs);
 692
 693                 if (!res)
 694                         break;
 695
 696                 CloseHandle(pi.hThread);
 697
 698                 AssignProcessToJobObject(l_Job, pi.hProcess);
 699
 700                 if (WaitForSingleObject(pi.hProcess, INFINITE) != WAIT_OBJECT_0)
 701                         break;
 702
 703                 DWORD exitStatus;
 704
 705                 if (!GetExitCodeProcess(pi.hProcess, &exitStatus))
 706                         break;
 707
 708                 if (exitStatus != 7)
 709                         break;
 710         }
 711
 712         TerminateJobObject(l_Job, 0);
 713
 714         CloseHandle(l_Job);
 715
 716         ReportSvcStatus(SERVICE_STOPPED, NO_ERROR, 0);
 717
 718         Application::Exit(0);
 719 }
 720 #endif /* _WIN32 */
 721
 722 /**
 723 * Entry point for the Icinga application.
 724 *
 725 * @params argc Number of command line arguments.
 726 * @params argv Command line arguments.
 727 * @returns The application's exit status.
 728 */
 729 int main(int argc, char **argv)
 730 {
 731 #ifndef _WIN32
 732         if (!getenv("ICINGA2_KEEP_FDS")) {
 733                 rlimit rl;
 734                 if (getrlimit(RLIMIT_NOFILE, &rl) >= 0) {
 735                         rlim_t maxfds = rl.rlim_max;
 736
 737                         if (maxfds == RLIM_INFINITY)
 738                                 maxfds = 65536;
 739
 740                         for (rlim_t i = 3; i < maxfds; i++) {
 741                                 int rc = close(i);
 742
 743 #ifdef I2_DEBUG
 744                                 if (rc >= 0)
 745                                         std::cerr << "Closed FD " << i << " which we inherited from our parent process." << std::endl;
 746 #endif /* I2_DEBUG */
 747                         }
 748                 }
 749         }
 750 #endif /* _WIN32 */
 751
 752         /* must be called before using any other libbase functions */
 753         Application::InitializeBase();
 754
 755         /* Set command-line arguments. */
 756         Application::SetArgC(argc);
 757         Application::SetArgV(argv);
 758
 759 #ifdef _WIN32
 760         if (argc > 1 && strcmp(argv[1], "--scm-install") == 0) {
 761                 return SetupService(true, argc - 2, &argv[2]);
 762         }
 763
 764         if (argc > 1 && strcmp(argv[1], "--scm-uninstall") == 0) {
 765                 return SetupService(false, argc - 2, &argv[2]);
 766         }
 767
 768         if (argc > 1 && strcmp(argv[1], "--scm") == 0) {
 769                 SERVICE_TABLE_ENTRY dispatchTable[] = {
 770                         { "icinga2", ServiceMain },
 771                         { NULL, NULL }
 772                 };
 773
 774                 StartServiceCtrlDispatcher(dispatchTable);
 775                 Application::Exit(EXIT_FAILURE);
 776         }
 777 #endif /* _WIN32 */
 778
 779         int rc = Main();
 780
 781         Application::Exit(rc);
 782 }