developer.intra2net.com Git - bpdyndnsd/blob - src/config.cpp

   1 /** @file
   2  * @brief Config class implementation. This class represents the actual configuration.
   3  *
   4  *
   5  *
   6  * @copyright Intra2net AG
   7  * @license GPLv2
   8 */
   9
  10 #include "config.h"
  11
  12 #include "service_dhs.h"
  13 #include "service_ods.h"
  14 #include "service_dyndns.h"
  15 #include "service_dyns.h"
  16 #include "service_easydns.h"
  17 #include "service_tzo.h"
  18 #include "service_zoneedit.h"
  19 #include "service_gnudip.h"
  20
  21 #include <time.h>
  22 #include <iostream>
  23 #include <fstream>
  24
  25 #include <boost/foreach.hpp>
  26 #include <boost/filesystem.hpp>
  27 #include <boost/regex.hpp>
  28 #include <boost/algorithm/string.hpp>
  29
  30
  31 namespace po = boost::program_options;
  32 namespace fs = boost::filesystem;
  33 namespace ba = boost::algorithm;
  34
  35 typedef boost::shared_ptr<boost::program_options::options_description> Options_descriptionPtr;
  36
  37 using namespace std;
  38
  39
  40 /**
  41  * Default Constructor. Available command line and config file options with their default values are defined here.
  42  */
  43 Config::Config()
  44     : Log(new Logger)
  45     , ServiceHolder(new Serviceholder)
  46     , DaemonMode(false)
  47     , Syslog(false)
  48     , EnableIPv6(false)
  49     , Loglevel(0)
  50     , ConfigPath("/etc/bpdyndnsd")
  51     , WebcheckInterval(0)
  52     , ProxyPort(0)
  53     , ExternalWarningLog("")
  54     , ExternalWarningLevel(0)
  55     , StartOffline(false)
  56     , WebcheckEnabled(false)
  57 {
  58     // Available service description config options
  59     po::options_description opt_desc_service("Service description options");
  60     opt_desc_service.add_options()
  61         ("protocol",po::value<string>(),"The service protocol.")
  62         ("server",po::value<string>(),"Servername needed for gnudip protocol.")
  63         ("host",po::value<string>(),"The hostname to update.")
  64         ("login",po::value<string>(),"Login name.")
  65         ("password",po::value<string>(),"Corresponding password.")
  66         ("update_interval",po::value<int>()->default_value(-1),"Update interval in minutes.")
  67         ("max_updates_within_interval",po::value<int>()->default_value(-1),"How many updates can be made in one interval.")
  68         ("dns_cache_ttl",po::value<int>()->default_value(-1),"How long a dns record is valid.")
  69     ;
  70
  71     // Available command line only options
  72     po::options_description opt_desc_cmd_only("Command line only options");
  73     opt_desc_cmd_only.add_options()
  74         ("help,?","Show help.")
  75         ("version,v","Show version.")
  76         ("config,c",po::value<string>()->default_value("/etc/bpdyndnsd"),"Set the config path.")
  77     ;
  78
  79      // Available generic options. Valid on cmd or in config file.
  80     po::options_description opt_desc_generic("Generic config options");
  81     opt_desc_generic.add_options()
  82         ("daemon_mode",po::value<bool>()->default_value(false),"Run as system daemon.")
  83         ("loglevel",po::value<int>()->default_value(0),"Loglevel.")
  84         ("syslog",po::value<bool>()->default_value(false),"Use syslog facility.")
  85         ("enable_ipv6",po::value<bool>()->default_value(false),"Try to use IPv6.")
  86         ("webcheck_enabled",po::value<bool>()->default_value(false),"Use webcheck url to determine actual IP address.")
  87         ("webcheck_url",po::value<string>()->default_value(""),"Use this URL to determine IP.")
  88         ("webcheck_url_alt",po::value<string>()->default_value(""),"Use this alternative URL to determine IP.")
  89         ("webcheck_interval",po::value<int>()->default_value(10),"The webcheck interval in minutes.")
  90         ("http_proxy",po::value<string>(),"Use this proxy for all http requests.")
  91         ("http_proxy_port",po::value<int>(),"Port of the proxy.")
  92         ("external_warning_log",po::value<string>()->default_value(""),"External programm to pass warning log messages to.")
  93         ("external_warning_level",po::value<int>()->default_value(0),"Warning messages of which loglevel should be passed to external programm.")
  94         ("start_offline",po::value<bool>()->default_value(false),"Start in offline mode.")
  95     ;
  96
  97     // Define valid command line parameters
  98     OptDescCmd = Options_descriptionPtr(new po::options_description("Command line options"));
  99     OptDescCmd->add(opt_desc_cmd_only);
 100     OptDescCmd->add(opt_desc_generic);
 101     OptDescCmd->add(opt_desc_service);
 102
 103     // Define valid config file options
 104     OptDescConfMain = Options_descriptionPtr(new po::options_description("Config file options"));
 105     OptDescConfMain->add(opt_desc_generic);
 106
 107     // Define valid service file options
 108     OptDescConfService = Options_descriptionPtr(new po::options_description("Service file options"));
 109     OptDescConfService->add(opt_desc_service);
 110 }
 111
 112
 113 /**
 114  * Constructor with Logger and Serviceholder objects. Available command line and config file options with their default values are defined here.
 115  */
 116 Config::Config(Logger::Ptr _log, Serviceholder::Ptr _serviceholder)
 117     : Log(_log)
 118     , ServiceHolder(_serviceholder)
 119     , DaemonMode(false)
 120     , Syslog(false)
 121     , EnableIPv6(false)
 122     , Loglevel(0)
 123     , ConfigPath("/etc/bpdyndnsd")
 124     , WebcheckInterval(0)
 125     , ProxyPort(0)
 126     , ExternalWarningLog("")
 127     , ExternalWarningLevel(0)
 128     , StartOffline(false)
 129     , WebcheckEnabled(false)
 130 {
 131     // Available service description config options
 132     po::options_description opt_desc_service("Service description options");
 133     opt_desc_service.add_options()
 134         ("protocol",po::value<string>(),"The service protocol.")
 135         ("server",po::value<string>(),"Servername needed for gnudip protocol.")
 136         ("host",po::value<string>(),"The hostname to update.")
 137         ("login",po::value<string>(),"Login name.")
 138         ("password",po::value<string>(),"Corresponding password.")
 139         ("update_interval",po::value<int>()->default_value(-1),"Update interval in minutes.")
 140         ("max_updates_within_interval",po::value<int>()->default_value(-1),"How many updates can be made in one interval.")
 141         ("dns_cache_ttl",po::value<int>()->default_value(-1),"How long a dns record is valid.")
 142     ;
 143
 144     // Available command line only options
 145     po::options_description opt_desc_cmd_only("Command line only options");
 146     opt_desc_cmd_only.add_options()
 147         ("help,?","Show help.")
 148         ("version,v","Show version.")
 149         ("config,c",po::value<string>()->default_value("/etc/bpdyndnsd"),"Set the config path.")
 150     ;
 151
 152      // Available generic options. Valid on cmd or in config file.
 153     po::options_description opt_desc_generic("Generic config options");
 154     opt_desc_generic.add_options()
 155         ("daemon_mode",po::value<bool>()->default_value(false),"Run as system daemon.")
 156         ("loglevel",po::value<int>()->default_value(0),"Loglevel.")
 157         ("syslog",po::value<bool>()->default_value(false),"Use syslog facility.")
 158         ("enable_ipv6",po::value<bool>()->default_value(false),"Try to use IPv6.")
 159         ("webcheck_enabled",po::value<bool>()->default_value(false),"Use webcheck url to determine actual IP address.")
 160         ("webcheck_url",po::value<string>()->default_value(""),"Use this URL to determine IP.")
 161         ("webcheck_url_alt",po::value<string>()->default_value(""),"Use this alternative URL to determine IP.")
 162         ("webcheck_interval",po::value<int>()->default_value(10),"The webcheck interval in minutes.")
 163         ("http_proxy",po::value<string>(),"Use this proxy for all http requests.")
 164         ("http_proxy_port",po::value<int>(),"Port of the proxy.")
 165         ("external_warning_log",po::value<string>()->default_value(""),"External programm to pass warning log messages to.")
 166         ("external_warning_level",po::value<int>()->default_value(0),"Warning messages of which loglevel should be passed to external programm.")
 167         ("start_offline",po::value<bool>()->default_value(false),"Start in offline mode.")
 168     ;
 169
 170     // Define valid command line parameters
 171     OptDescCmd = Options_descriptionPtr(new po::options_description("Command line options"));
 172     OptDescCmd->add(opt_desc_cmd_only);
 173     OptDescCmd->add(opt_desc_generic);
 174     OptDescCmd->add(opt_desc_service);
 175
 176     // Define valid config file options
 177     OptDescConfMain = Options_descriptionPtr(new po::options_description("Config file options"));
 178     OptDescConfMain->add(opt_desc_generic);
 179
 180     // Define valid service file options
 181     OptDescConfService = Options_descriptionPtr(new po::options_description("Service file options"));
 182     OptDescConfService->add(opt_desc_service);
 183 }
 184
 185
 186 /**
 187  * Default Destructor
 188  */
 189 Config::~Config()
 190 {
 191 }
 192
 193
 194 /**
 195  * Parses the command line arguments and does the needed actions.
 196  * @param argc Command line argument number given to main.
 197  * @param argv[] Pointer to command line argument array given to main.
 198  * @return 0 if all is fine, -1 if not.
 199  */
 200 int Config::parse_cmd_line(int argc, char *argv[])
 201 {
 202     try
 203     {
 204         po::store(po::parse_command_line(argc, argv, *this->OptDescCmd), VariablesMap);
 205         po::notify(VariablesMap);
 206
 207         if ( VariablesMap.count("help") )
 208         {
 209             Log->print_usage(OptDescCmd);
 210             return -1;
 211         }
 212         else if ( VariablesMap.count("version") )
 213         {
 214             Log->print_version();
 215             return -1;
 216         }
 217
 218         // Create a service object if all needed options are set on the command line
 219         if ( VariablesMap.count("protocol") && VariablesMap.count("host") && VariablesMap.count("login") && VariablesMap.count("password") )
 220         {
 221             // Get the cmd parameter values for protocol host login and password
 222             string protocol = VariablesMap["protocol"].as<string>();
 223             string host = VariablesMap["host"].as<string>();
 224             string login = VariablesMap["login"].as<string>();
 225             string password = VariablesMap["password"].as<string>();
 226
 227             protocol = ba::to_lower_copy(protocol);
 228
 229             string server;
 230             if ( VariablesMap.count("server") )
 231                 server = VariablesMap["server"].as<string>();
 232
 233             int update_interval = 0;
 234             if ( VariablesMap.count("update_interval") )
 235                 update_interval = VariablesMap["update_interval"].as<int>();
 236
 237             int max_updates_within_interval = 0;
 238             if ( VariablesMap.count("max_updates_within_interval") )
 239                 max_updates_within_interval = VariablesMap["max_updates_within_interval"].as<int>();
 240
 241             int dns_cache_ttl = 0;
 242             if ( VariablesMap.count("dns_cache_ttl") )
 243                 dns_cache_ttl = VariablesMap["dns_cache_ttl"].as<int>();
 244
 245             Service::Ptr service = create_service(protocol,server,host,login,password,update_interval,max_updates_within_interval,dns_cache_ttl);
 246             if ( service )
 247             {
 248                 ServiceHolder->add_service(service);
 249                 Log->print_service_object("New Service object from command line options:", service->get_protocol(), service->get_hostname(), service->get_login() ,service->get_password(), service->get_update_interval(), service->get_max_updates_within_interval(), service->get_dns_cache_ttl() , service->get_actual_ip(), service->get_last_updates());
 250             }
 251             else
 252                 return -1;
 253         }
 254         else if ( VariablesMap.count("protocol") || VariablesMap.count("host") || VariablesMap.count("login") || VariablesMap.count("password") )
 255         {
 256             Log->print_missing_cmd_service_option();
 257             Log->print_usage(OptDescCmd);
 258             return -1;
 259         }
 260
 261         if ( VariablesMap.count("config") )
 262         {
 263             fs::path full_config_path = fs::system_complete(fs::path(VariablesMap["config"].as<string>()));
 264             ConfigPath = full_config_path.string();
 265             if ( !fs::exists(full_config_path) ||  !fs::is_directory(full_config_path) )
 266             {
 267                 // Config path doesn't exist or is not a directory
 268                 Log->print_error_config_path(ConfigPath);
 269                 return -1;
 270             }
 271         }
 272
 273         if ( VariablesMap.count("daemon_mode") )
 274             DaemonMode = VariablesMap["daemon_mode"].as<bool>();
 275
 276         if ( VariablesMap.count("loglevel") )
 277             Loglevel = VariablesMap["loglevel"].as<int>();
 278
 279         if ( VariablesMap.count("syslog") )
 280             Syslog = VariablesMap["syslog"].as<bool>();
 281
 282         if ( VariablesMap.count("enable_ipv6") )
 283             EnableIPv6 = VariablesMap["enable_ipv6"].as<bool>();
 284
 285         if ( VariablesMap.count("webcheck_enabled") )
 286             WebcheckEnabled = VariablesMap["webcheck_enabled"].as<bool>();
 287
 288         if ( VariablesMap.count("webcheck_url") )
 289             WebcheckIpUrl = VariablesMap["webcheck_url"].as<string>();
 290
 291         if ( VariablesMap.count("webcheck_url_alt") )
 292             WebcheckIpUrlAlt = VariablesMap["webcheck_url_alt"].as<string>();
 293
 294         if ( VariablesMap.count("webcheck_interval") )
 295             WebcheckInterval = VariablesMap["webcheck_interval"].as<int>();
 296
 297         if ( VariablesMap.count("http_proxy") && VariablesMap.count("http_proxy_port") )
 298         {
 299             Proxy = VariablesMap["http_proxy"].as<string>();
 300             ProxyPort = VariablesMap["http_proxy_port"].as<int>();
 301         }
 302         else if ( VariablesMap.count("http_proxy") || VariablesMap.count("http_proxy_port") )
 303         {
 304             Log->print_missing_cmd_proxy_option();
 305             Log->print_usage(OptDescCmd);
 306             return -1;
 307         }
 308
 309         if ( VariablesMap.count("external_warning_log") )
 310             ExternalWarningLog = VariablesMap["external_warning_log"].as<string>();
 311
 312         if ( VariablesMap.count("external_warning_level") )
 313             ExternalWarningLevel = VariablesMap["external_warning_level"].as<int>();
 314
 315         if ( VariablesMap.count("start_offline") )
 316             StartOffline = VariablesMap["start_offline"].as<bool>();
 317
 318     }
 319     catch( const po::unknown_option& e )
 320     {
 321         Log->print_unknown_cmd_option(e.what());
 322         Log->print_usage(OptDescCmd);
 323         return -1;
 324     }
 325     catch( const po::multiple_occurrences& e )
 326     {
 327         Log->print_multiple_cmd_option(e.what());
 328         Log->print_usage(OptDescCmd);
 329         return -1;
 330     }
 331     catch( const po::error& e )
 332     {
 333         Log->print_error_parsing_cmd(e.what());
 334         Log->print_usage(OptDescCmd);
 335         return -1;
 336     }
 337     return 0;
 338 }
 339
 340
 341 /**
 342  * Creates a Service object from the given parameters.
 343  * @param protocol Protocol to use.
 344  * @param host Hostname to update.
 345  * @param login Login.
 346  * @param password Password.
 347  * @return A pointer to the created Service object.
 348  */
 349 Service::Ptr Config::create_service(const string &protocol, const string& server, const string& hostname, const string& login, const string& password, const int update_interval, const int max_updates_within_interval, const int dns_cache_ttl)
 350 {
 351     // Test for valid hostname. Must contain 3 parts minimum.
 352     list<string> fqhn_parts;
 353     ba::split(fqhn_parts,hostname,boost::is_any_of("."));
 354     if ( fqhn_parts.size() < 3 )
 355     {
 356         Log->print_invalid_hostname(protocol);
 357         Service::Ptr service;
 358         return service;
 359     }
 360
 361     if(protocol == "dhs")
 362     {
 363         Service::Ptr service_dhs(new ServiceDhs(protocol,hostname,login,password,Log,update_interval,max_updates_within_interval,dns_cache_ttl,Proxy,ProxyPort));
 364         return service_dhs;
 365     }
 366     else if(protocol == "ods")
 367     {
 368         Service::Ptr service_ods(new ServiceOds(protocol,hostname,login,password,Log,update_interval,max_updates_within_interval,dns_cache_ttl));
 369         return service_ods;
 370     }
 371     else if(protocol == "dyndns")
 372     {
 373         Service::Ptr service_dyndns(new ServiceDyndns(protocol,hostname,login,password,Log,update_interval,max_updates_within_interval,dns_cache_ttl,Proxy,ProxyPort));
 374         return service_dyndns;
 375     }
 376     else if(protocol == "dyns")
 377     {
 378         Service::Ptr service_dyns(new ServiceDyns(protocol,hostname,login,password,Log,update_interval,max_updates_within_interval,dns_cache_ttl,Proxy,ProxyPort));
 379         return service_dyns;
 380     }
 381     else if(protocol == "easydns")
 382     {
 383         Service::Ptr service_easydns(new ServiceEasydns(protocol,hostname,login,password,Log,update_interval,max_updates_within_interval,dns_cache_ttl,Proxy,ProxyPort));
 384         return service_easydns;
 385     }
 386     else if(protocol == "tzo")
 387     {
 388         Service::Ptr service_tzo(new ServiceTzo(protocol,hostname,login,password,Log,update_interval,max_updates_within_interval,dns_cache_ttl,Proxy,ProxyPort));
 389         return service_tzo;
 390     }
 391     else if(protocol == "zoneedit")
 392     {
 393         Service::Ptr service_zoneedit(new ServiceZoneedit(protocol,hostname,login,password,Log,update_interval,max_updates_within_interval,dns_cache_ttl,Proxy,ProxyPort));
 394         return service_zoneedit;
 395     }
 396     else if(protocol == "gnudip")
 397     {
 398         cout << "Server: " << server << endl;
 399         if ( !server.empty() )
 400         {
 401             Service::Ptr service_gnudip(new ServiceGnudip(protocol,server,hostname,login,password,Log,update_interval,max_updates_within_interval,dns_cache_ttl,Proxy,ProxyPort));
 402             return service_gnudip;
 403         }
 404         else
 405         {
 406             Log->print_gnudip_requires_servername();
 407             Service::Ptr service;
 408             return service;
 409         }
 410     }
 411     else
 412     {
 413         Log->print_unknown_protocol(protocol);
 414         Service::Ptr service;
 415         return service;
 416     }
 417 }
 418
 419
 420 /**
 421  * Loads a service config file, invoked by load_config_from_files.
 422  * @param full_filename Filename of the service config file to load.
 423  * @return 0 if all is fine, -1 otherwise.
 424  */
 425 int Config::load_service_config_file(const string& full_filename)
 426 {
 427     Log->print_load_service_conf(full_filename);
 428
 429     ifstream service_config_file(full_filename.c_str(),ifstream::in);
 430     if(service_config_file.is_open())
 431     {
 432         try
 433         {
 434             po::variables_map vm;
 435             po::parsed_options parsed_service_options = po::parse_config_file(service_config_file,*this->OptDescConfService,true);
 436             po::store(parsed_service_options,vm);
 437             po::notify(vm);
 438
 439             if(vm.count("protocol") && vm.count("host") && vm.count("login") && vm.count("password"))
 440             {
 441                 // create the corresponding service
 442                 string protocol = vm["protocol"].as<string>();
 443                 string host = vm["host"].as<string>();
 444                 string login = vm["login"].as<string>();
 445                     string password = vm["password"].as<string>();
 446
 447                 protocol = ba::to_lower_copy(protocol);
 448
 449                 string server;
 450                 if ( vm.count("server") )
 451                     server = vm["server"].as<string>();
 452
 453                 int update_interval = 0;
 454                 if ( vm.count("update_interval") )
 455                     update_interval = vm["update_interval"].as<int>();
 456
 457                 int max_updates_within_interval = 0;
 458                 if ( vm.count("max_updates_within_interval") )
 459                     max_updates_within_interval = vm["max_updates_within_interval"].as<int>();
 460
 461                 int dns_cache_ttl = 0;
 462                 if ( vm.count("dns_cache_ttl") )
 463                     dns_cache_ttl = vm["dns_cache_ttl"].as<int>();
 464
 465                 Service::Ptr service = create_service(protocol,server,host,login,password,update_interval,max_updates_within_interval,dns_cache_ttl);
 466                 if ( service )
 467                 {
 468                     ServiceHolder->add_service(service);
 469                     Log->print_service_object("New Service object from config:", service->get_protocol(), service->get_hostname(), service->get_login() ,service->get_password(), service->get_update_interval(), service->get_max_updates_within_interval(), service->get_dns_cache_ttl() , service->get_actual_ip(), service->get_last_updates());
 470                 }
 471                 else
 472                     return -1;
 473             }
 474             else if ( vm.count("protocol") || vm.count("host") || vm.count("login") || vm.count("password") )
 475             {
 476                 service_config_file.close();
 477                 Log->print_missing_service_conf_option(full_filename);
 478                 return -1;
 479             }
 480         }
 481         catch( const po::unknown_option& e )
 482         {
 483             // unknown option in config file detected
 484             service_config_file.close();
 485             Log->print_unknown_service_conf_option(full_filename,e.what());
 486             return -1;
 487         }
 488         catch( const po::multiple_occurrences& e )
 489         {
 490             service_config_file.close();
 491             Log->print_multiple_service_conf_option(full_filename,e.what());
 492             return -1;
 493         }
 494         catch( const po::error& e )
 495         {
 496             service_config_file.close();
 497             Log->print_error_parsing_config_file(full_filename,e.what());
 498             return -1;
 499         }
 500         service_config_file.close();
 501     }
 502     else
 503     {
 504         // error opening service config file for reading
 505         Log->print_error_opening_r(full_filename);
 506         return -1;
 507     }
 508     return 0;
 509 }
 510
 511
 512 /**
 513  * Loads the main config file, invoked by load_config_from_files
 514  * @param full_filename The full filename of the main config file to load
 515  * @return 0 if all is fine, -1 otherwise
 516  */
 517 int Config::load_main_config_file(const string& full_filename)
 518 {
 519     Log->print_load_main_conf(full_filename);
 520
 521     ifstream main_config_file(full_filename.c_str(),ifstream::in);
 522     if(main_config_file.is_open())
 523     {
 524         try
 525         {
 526             po::parsed_options parsed_main_options = po::parse_config_file(main_config_file,*this->OptDescConfMain,true);
 527             po::store(parsed_main_options,VariablesMap);
 528             po::notify(VariablesMap);
 529
 530             if ( VariablesMap.count("daemon_mode") )
 531                 DaemonMode = VariablesMap["daemon_mode"].as<bool>();
 532
 533             if ( VariablesMap.count("loglevel") )
 534                 Loglevel = VariablesMap["loglevel"].as<int>();
 535
 536             if ( VariablesMap.count("syslog") )
 537                 Syslog = VariablesMap["syslog"].as<bool>();
 538
 539             if ( VariablesMap.count("enable_ipv6") )
 540                 EnableIPv6 = VariablesMap["enable_ipv6"].as<bool>();
 541
 542             if ( VariablesMap.count("webcheck_enabled") )
 543                 WebcheckEnabled = VariablesMap["webcheck_enabled"].as<bool>();
 544
 545             if ( VariablesMap.count("webcheck_url") )
 546                 WebcheckIpUrl = VariablesMap["webcheck_url"].as<string>();
 547
 548             if ( VariablesMap.count("webcheck_url_alt") )
 549                 WebcheckIpUrlAlt = VariablesMap["webcheck_url_alt"].as<string>();
 550
 551             if ( VariablesMap.count("webcheck_interval") )
 552                 WebcheckInterval = VariablesMap["webcheck_interval"].as<int>();
 553
 554             if ( VariablesMap.count("http_proxy") && VariablesMap.count("http_proxy_port") )
 555             {
 556                 Proxy = VariablesMap["http_proxy"].as<string>();
 557                 ProxyPort = VariablesMap["http_proxy_port"].as<int>();
 558             }
 559             else if ( VariablesMap.count("http_proxy") || VariablesMap.count("http_proxy_port") )
 560             {
 561                 main_config_file.close();
 562                 Log->print_missing_conf_proxy_option(full_filename);
 563                 return -1;
 564             }
 565
 566             if ( VariablesMap.count("external_warning_log") )
 567                 ExternalWarningLog = VariablesMap["external_warning_log"].as<string>();
 568
 569             if ( VariablesMap.count("external_warning_level") )
 570                 ExternalWarningLevel = VariablesMap["external_warning_level"].as<int>();
 571
 572             if ( VariablesMap.count("start_offline") )
 573                 StartOffline = VariablesMap["start_offline"].as<bool>();
 574
 575         }
 576         catch( const po::unknown_option& e )      // at the moment 04-08-2009 this exception is never thrown :-(
 577         {
 578             // unknown option in main config file detected
 579             main_config_file.close();
 580             Log->print_unknown_main_conf_option(e.what());
 581             return -1;
 582         }
 583         catch( const po::multiple_occurrences& e )
 584         {
 585             main_config_file.close();
 586             Log->print_multiple_main_conf_option(full_filename,e.what());
 587             return -1;
 588         }
 589         main_config_file.close();
 590     }
 591     else
 592     {
 593         // error opening main config file for reading
 594         Log->print_error_opening_r(full_filename);
 595         return -1;
 596     }
 597     return 0;
 598 }
 599
 600
 601 /**
 602  * Loads the main and the service config file and does the needed action.
 603  * @param config_path The path to the config directory.
 604  * @return 0 if all is fine, -1 otherwise
 605  */
 606 int Config::load_config_from_files()
 607 {
 608     fs::path full_config_path = fs::path(ConfigPath);
 609
 610     fs::directory_iterator end_iter;
 611     for ( fs::directory_iterator dir_itr(full_config_path) ; dir_itr != end_iter ; ++dir_itr )
 612     {
 613         if( fs::is_regular_file( dir_itr->status() ) )
 614         {
 615             string actual_file = dir_itr->path().filename();
 616             boost::regex expr(".*\\.conf?");
 617              // If it is the main config file do the following
 618             if ( actual_file == "bpdyndnsd.conf" )
 619             {
 620                 // Load the main config file
 621                 string full_filename = dir_itr->path().string();
 622                 if ( load_main_config_file(full_filename) != 0 )
 623                     return -1;
 624             }
 625             // If it is a service definition file *.conf, parse it and generate the corresponding service
 626             else if ( boost::regex_search( actual_file,expr ) )
 627             {
 628                 string full_filename = dir_itr->path().string();
 629                 if ( load_service_config_file(full_filename) != 0 )
 630                     return -1;
 631             }
 632         }
 633     }
 634     // Config file successfully loaded
 635     Log->print_conf_loaded(ConfigPath);
 636     return 0;
 637 }
 638
 639
 640 /**
 641  * Getter method for member OptDescCmd.
 642  * @return options_description*.
 643  */
 644 Options_descriptionPtr Config::get_opt_desc_cmd() const
 645 {
 646     return OptDescCmd;
 647 }
 648
 649
 650 /**
 651  * Getter method for member OptDescConfMain.
 652  * @return options_description*.
 653  */
 654 Options_descriptionPtr Config::get_opt_desc_conf_main() const
 655 {
 656     return OptDescConfMain;
 657 }
 658
 659
 660 /**
 661  * Getter method for member OptDescConfService.
 662  * @return options_description*.
 663  */
 664 Options_descriptionPtr Config::get_opt_desc_conf_service() const
 665 {
 666     return OptDescConfService;
 667 }
 668
 669
 670 /**
 671  * Getter for member Loglevel.
 672  * @return Member Loglevel.
 673  */
 674 int Config::get_loglevel() const
 675 {
 676     return Loglevel;
 677 }
 678
 679
 680 /**
 681  * Getter for member DaemonMode.
 682  * @return TRUE if enabled, FALSE if disabled.
 683  */
 684 bool Config::get_daemon_mode() const
 685 {
 686     return DaemonMode;
 687 }
 688
 689
 690 /**
 691  * Deletes the map with the previously parsed options.
 692  * This is needed in case we reload the config and don't want the old cmd options to overwrite new config file options.
 693  */
 694 void Config::delete_variables_map()
 695 {
 696     VariablesMap.clear();
 697
 698     po::variables_map _variables_map;
 699     VariablesMap = _variables_map;
 700 }
 701
 702
 703 /**
 704  * Getter for member Syslog.
 705  * @return True if logging through syslog is enabled, false otherwise.
 706  */
 707 bool Config::get_syslog() const
 708 {
 709     return Syslog;
 710 }
 711
 712
 713 /**
 714  * Getter for member EnableIPv6
 715  * @return Wether IPv6 should be used or not.
 716  */
 717 bool Config::get_enable_ipv6() const
 718 {
 719     return EnableIPv6;
 720 }
 721
 722
 723 /**
 724  * Getter for member WebcheckEnabled
 725  * @return Is webcheck enabled by default.
 726  */
 727 bool Config::get_webcheck_enabled() const
 728 {
 729     return WebcheckEnabled;
 730 }
 731
 732
 733 /**
 734  * Setter for member WebcheckEnabled
 735  * @return Is webcheck enabled by default.
 736  */
 737 void Config::set_webcheck_enabled( bool webcheck_enabled )
 738 {
 739     WebcheckEnabled = webcheck_enabled;
 740 }
 741
 742
 743 /**
 744  * Getter for member WebcheckIpUrl
 745  * @return The primary IP Webcheck URL
 746  */
 747 string Config::get_webcheck_ip_url() const
 748 {
 749     return WebcheckIpUrl;
 750 }
 751
 752
 753 /**
 754  * Getter for member WebcheckIpUrlAlt
 755  * @return The alternative IP Webcheck URL
 756  */
 757 string Config::get_webcheck_ip_url_alt() const
 758 {
 759     return WebcheckIpUrlAlt;
 760 }
 761
 762
 763 /**
 764  * Get member WebcheckInterval
 765  * @return WebcheckInterval
 766  */
 767 int Config::get_webcheck_interval() const
 768 {
 769     return WebcheckInterval;
 770 }
 771
 772
 773 /**
 774  * Get member Proxy
 775  * @return Proxy
 776  */
 777 string Config::get_proxy() const
 778 {
 779     return Proxy;
 780 }
 781
 782
 783 /**
 784  * Get member ProxyPort
 785  * @return ProxyPort
 786  */
 787 int Config::get_proxy_port() const
 788 {
 789     return ProxyPort;
 790 }
 791
 792
 793 /**
 794  * Get member ExternalWarningLog
 795  * @return ExternalWarningLog
 796  */
 797 string Config::get_external_warning_log() const
 798 {
 799     return ExternalWarningLog;
 800 }
 801
 802
 803 /**
 804  * Get member ExternalWarningLevel
 805  * @return ExternalWaringLevel
 806  */
 807 int Config::get_external_warning_level() const
 808 {
 809     return ExternalWarningLevel;
 810 }
 811
 812
 813 /**
 814  * Get member StartOffline
 815  * @return StartOffline
 816  */
 817 bool Config::get_start_offline() const
 818 {
 819     return StartOffline;
 820 }