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.hpp"
  11
  12 #include "service_dhs.hpp"
  13 #include "service_ods.hpp"
  14 #include "service_dyndns.hpp"
  15 #include "service_dyns.hpp"
  16 #include "service_easydns.hpp"
  17 #include "service_tzo.hpp"
  18 #include "service_zoneedit.hpp"
  19 #include "service_gnudip.hpp"
  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     , ExternalLogOnlyOnce(false)
  58 {
  59     // Available service description config options
  60     po::options_description opt_desc_service("Service description options");
  61     opt_desc_service.add_options()
  62         ("protocol",po::value<string>(),"The service protocol.")
  63         ("server",po::value<string>(),"Servername needed for gnudip protocol.")
  64         ("host",po::value<string>(),"The hostname to update.")
  65         ("login",po::value<string>(),"Login name.")
  66         ("password",po::value<string>(),"Corresponding password.")
  67         ("update_interval",po::value<int>()->default_value(-1),"Update interval in minutes.")
  68         ("max_updates_within_interval",po::value<int>()->default_value(-1),"How many updates can be made in one interval.")
  69         ("dns_cache_ttl",po::value<int>()->default_value(-1),"How long a dns record is valid.")
  70     ;
  71
  72     // Available command line only options
  73     po::options_description opt_desc_cmd_only("Command line only options");
  74     opt_desc_cmd_only.add_options()
  75         ("help,?","Show help.")
  76         ("version,v","Show version.")
  77         ("config,c",po::value<string>()->default_value("/etc/bpdyndnsd"),"Set the config path.")
  78     ;
  79
  80      // Available generic options. Valid on cmd or in config file.
  81     po::options_description opt_desc_generic("Generic config options");
  82     opt_desc_generic.add_options()
  83         ("daemon_mode",po::value<bool>()->default_value(false),"Run as system daemon.")
  84         ("loglevel",po::value<int>()->default_value(0),"Loglevel.")
  85         ("syslog",po::value<bool>()->default_value(false),"Use syslog facility.")
  86         ("enable_ipv6",po::value<bool>()->default_value(false),"Try to use IPv6.")
  87         ("webcheck_enabled",po::value<bool>()->default_value(false),"Use webcheck url to determine actual IP address.")
  88         ("webcheck_url",po::value<string>()->default_value(""),"Use this URL to determine IP.")
  89         ("webcheck_url_alt",po::value<string>()->default_value(""),"Use this alternative URL to determine IP.")
  90         ("webcheck_interval",po::value<int>()->default_value(10),"The webcheck interval in minutes.")
  91         ("http_proxy",po::value<string>(),"Use this proxy for all http requests.")
  92         ("http_proxy_port",po::value<int>(),"Port of the proxy.")
  93         ("external_warning_log",po::value<string>()->default_value(""),"External programm to pass warning log messages to.")
  94         ("external_warning_level",po::value<int>()->default_value(0),"Warning messages of which loglevel should be passed to external programm.")
  95         ("external_log_only_once",po::value<bool>()->default_value(false),"Log the same external message only once until next reload or restart.")
  96         ("start_offline",po::value<bool>()->default_value(false),"Start in offline mode.")
  97     ;
  98
  99     // Define valid command line parameters
 100     OptDescCmd = Options_descriptionPtr(new po::options_description("Command line options"));
 101     OptDescCmd->add(opt_desc_cmd_only);
 102     OptDescCmd->add(opt_desc_generic);
 103     OptDescCmd->add(opt_desc_service);
 104
 105     // Define valid config file options
 106     OptDescConfMain = Options_descriptionPtr(new po::options_description("Config file options"));
 107     OptDescConfMain->add(opt_desc_generic);
 108
 109     // Define valid service file options
 110     OptDescConfService = Options_descriptionPtr(new po::options_description("Service file options"));
 111     OptDescConfService->add(opt_desc_service);
 112 }
 113
 114
 115 /**
 116  * Constructor with Logger and Serviceholder objects. Available command line and config file options with their default values are defined here.
 117  */
 118 Config::Config(Logger::Ptr _log, Serviceholder::Ptr _serviceholder)
 119     : Log(_log)
 120     , ServiceHolder(_serviceholder)
 121     , DaemonMode(false)
 122     , Syslog(false)
 123     , EnableIPv6(false)
 124     , Loglevel(0)
 125     , ConfigPath("/etc/bpdyndnsd")
 126     , WebcheckInterval(0)
 127     , ProxyPort(0)
 128     , ExternalWarningLog("")
 129     , ExternalWarningLevel(0)
 130     , StartOffline(false)
 131     , WebcheckEnabled(false)
 132     , ExternalLogOnlyOnce(false)
 133 {
 134     // Available service description config options
 135     po::options_description opt_desc_service("Service description options");
 136     opt_desc_service.add_options()
 137         ("protocol",po::value<string>(),"The service protocol.")
 138         ("server",po::value<string>(),"Servername needed for gnudip protocol.")
 139         ("host",po::value<string>(),"The hostname to update.")
 140         ("login",po::value<string>(),"Login name.")
 141         ("password",po::value<string>(),"Corresponding password.")
 142         ("update_interval",po::value<int>()->default_value(-1),"Update interval in minutes.")
 143         ("max_updates_within_interval",po::value<int>()->default_value(-1),"How many updates can be made in one interval.")
 144         ("dns_cache_ttl",po::value<int>()->default_value(-1),"How long a dns record is valid.")
 145     ;
 146
 147     // Available command line only options
 148     po::options_description opt_desc_cmd_only("Command line only options");
 149     opt_desc_cmd_only.add_options()
 150         ("help,?","Show help.")
 151         ("version,v","Show version.")
 152         ("config,c",po::value<string>()->default_value("/etc/bpdyndnsd"),"Set the config path.")
 153     ;
 154
 155      // Available generic options. Valid on cmd or in config file.
 156     po::options_description opt_desc_generic("Generic config options");
 157     opt_desc_generic.add_options()
 158         ("daemon_mode",po::value<bool>()->default_value(false),"Run as system daemon.")
 159         ("loglevel",po::value<int>()->default_value(0),"Loglevel.")
 160         ("syslog",po::value<bool>()->default_value(false),"Use syslog facility.")
 161         ("enable_ipv6",po::value<bool>()->default_value(false),"Try to use IPv6.")
 162         ("webcheck_enabled",po::value<bool>()->default_value(false),"Use webcheck url to determine actual IP address.")
 163         ("webcheck_url",po::value<string>()->default_value(""),"Use this URL to determine IP.")
 164         ("webcheck_url_alt",po::value<string>()->default_value(""),"Use this alternative URL to determine IP.")
 165         ("webcheck_interval",po::value<int>()->default_value(10),"The webcheck interval in minutes.")
 166         ("http_proxy",po::value<string>(),"Use this proxy for all http requests.")
 167         ("http_proxy_port",po::value<int>(),"Port of the proxy.")
 168         ("external_warning_log",po::value<string>()->default_value(""),"External programm to pass warning log messages to.")
 169         ("external_warning_level",po::value<int>()->default_value(0),"Warning messages of which loglevel should be passed to external programm.")
 170         ("external_log_only_once",po::value<bool>()->default_value(false),"Log the same external message only once until next reload or restart.")
 171         ("start_offline",po::value<bool>()->default_value(false),"Start in offline mode.")
 172     ;
 173
 174     // Define valid command line parameters
 175     OptDescCmd = Options_descriptionPtr(new po::options_description("Command line options"));
 176     OptDescCmd->add(opt_desc_cmd_only);
 177     OptDescCmd->add(opt_desc_generic);
 178     OptDescCmd->add(opt_desc_service);
 179
 180     // Define valid config file options
 181     OptDescConfMain = Options_descriptionPtr(new po::options_description("Config file options"));
 182     OptDescConfMain->add(opt_desc_generic);
 183
 184     // Define valid service file options
 185     OptDescConfService = Options_descriptionPtr(new po::options_description("Service file options"));
 186     OptDescConfService->add(opt_desc_service);
 187 }
 188
 189
 190 /**
 191  * Default Destructor
 192  */
 193 Config::~Config()
 194 {
 195 }
 196
 197
 198 /**
 199  * Parses the command line arguments and does the needed actions.
 200  * @param argc Command line argument number given to main.
 201  * @param argv[] Pointer to command line argument array given to main.
 202  * @return 0 if all is fine, -1 if not.
 203  */
 204 int Config::parse_cmd_line(int argc, char *argv[])
 205 {
 206     try
 207     {
 208         po::store(po::parse_command_line(argc, argv, *this->OptDescCmd), VariablesMap);
 209         po::notify(VariablesMap);
 210
 211         if ( VariablesMap.count("help") )
 212         {
 213             Log->print_usage(OptDescCmd);
 214             return -1;
 215         }
 216         else if ( VariablesMap.count("version") )
 217         {
 218             Log->print_version();
 219             return -1;
 220         }
 221
 222         // Create a service object if all needed options are set on the command line
 223         if ( VariablesMap.count("protocol") && VariablesMap.count("host") && VariablesMap.count("login") && VariablesMap.count("password") )
 224         {
 225             // Get the cmd parameter values for protocol host login and password
 226             string protocol = VariablesMap["protocol"].as<string>();
 227             string host = VariablesMap["host"].as<string>();
 228             string login = VariablesMap["login"].as<string>();
 229             string password = VariablesMap["password"].as<string>();
 230
 231             protocol = ba::to_lower_copy(protocol);
 232
 233             string server;
 234             if ( VariablesMap.count("server") )
 235                 server = VariablesMap["server"].as<string>();
 236
 237             int update_interval = 0;
 238             if ( VariablesMap.count("update_interval") )
 239                 update_interval = VariablesMap["update_interval"].as<int>();
 240
 241             int max_updates_within_interval = 0;
 242             if ( VariablesMap.count("max_updates_within_interval") )
 243                 max_updates_within_interval = VariablesMap["max_updates_within_interval"].as<int>();
 244
 245             int dns_cache_ttl = 0;
 246             if ( VariablesMap.count("dns_cache_ttl") )
 247                 dns_cache_ttl = VariablesMap["dns_cache_ttl"].as<int>();
 248
 249             Service::Ptr service = create_service(protocol,server,host,login,password,update_interval,max_updates_within_interval,dns_cache_ttl);
 250             if ( service )
 251             {
 252                 ServiceHolder->add_service(service);
 253                 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());
 254             }
 255             else
 256             {
 257                 Log->print_invalid_service_config();
 258             }
 259         }
 260         else if ( VariablesMap.count("protocol") || VariablesMap.count("host") || VariablesMap.count("login") || VariablesMap.count("password") )
 261         {
 262             Log->print_missing_cmd_service_option();
 263             Log->print_usage(OptDescCmd);
 264             return -1;
 265         }
 266
 267         if ( VariablesMap.count("config") )
 268         {
 269             fs::path full_config_path = fs::system_complete(fs::path(VariablesMap["config"].as<string>()));
 270             ConfigPath = full_config_path.string();
 271             if ( !fs::exists(full_config_path) ||  !fs::is_directory(full_config_path) )
 272             {
 273                 // Config path doesn't exist or is not a directory
 274                 Log->print_error_config_path(ConfigPath);
 275                 return -1;
 276             }
 277         }
 278
 279         if ( VariablesMap.count("daemon_mode") )
 280             DaemonMode = VariablesMap["daemon_mode"].as<bool>();
 281
 282         if ( VariablesMap.count("loglevel") )
 283             Loglevel = VariablesMap["loglevel"].as<int>();
 284
 285         if ( VariablesMap.count("syslog") )
 286             Syslog = VariablesMap["syslog"].as<bool>();
 287
 288         if ( VariablesMap.count("enable_ipv6") )
 289             EnableIPv6 = VariablesMap["enable_ipv6"].as<bool>();
 290
 291         if ( VariablesMap.count("webcheck_enabled") )
 292             WebcheckEnabled = VariablesMap["webcheck_enabled"].as<bool>();
 293
 294         if ( VariablesMap.count("webcheck_url") )
 295             WebcheckIpUrl = VariablesMap["webcheck_url"].as<string>();
 296
 297         if ( VariablesMap.count("webcheck_url_alt") )
 298             WebcheckIpUrlAlt = VariablesMap["webcheck_url_alt"].as<string>();
 299
 300         if ( VariablesMap.count("webcheck_interval") )
 301             WebcheckInterval = VariablesMap["webcheck_interval"].as<int>();
 302
 303         if ( VariablesMap.count("http_proxy") && VariablesMap.count("http_proxy_port") )
 304         {
 305             Proxy = VariablesMap["http_proxy"].as<string>();
 306             ProxyPort = VariablesMap["http_proxy_port"].as<int>();
 307         }
 308         else if ( VariablesMap.count("http_proxy") || VariablesMap.count("http_proxy_port") )
 309         {
 310             Log->print_missing_cmd_proxy_option();
 311             Log->print_usage(OptDescCmd);
 312             return -1;
 313         }
 314
 315         if ( VariablesMap.count("external_warning_log") )
 316             ExternalWarningLog = VariablesMap["external_warning_log"].as<string>();
 317
 318         if ( VariablesMap.count("external_warning_level") )
 319             ExternalWarningLevel = VariablesMap["external_warning_level"].as<int>();
 320
 321         if ( VariablesMap.count("external_log_only_once") )
 322             ExternalLogOnlyOnce = VariablesMap["external_log_only_once"].as<bool>();
 323
 324         if ( VariablesMap.count("start_offline") )
 325             StartOffline = VariablesMap["start_offline"].as<bool>();
 326
 327     }
 328     catch( const po::unknown_option& e )
 329     {
 330         Log->print_unknown_cmd_option(e.what());
 331         Log->print_usage(OptDescCmd);
 332         return -1;
 333     }
 334     catch( const po::multiple_occurrences& e )
 335     {
 336         Log->print_multiple_cmd_option(e.what());
 337         Log->print_usage(OptDescCmd);
 338         return -1;
 339     }
 340     catch( const po::error& e )
 341     {
 342         Log->print_error_parsing_cmd(e.what());
 343         Log->print_usage(OptDescCmd);
 344         return -1;
 345     }
 346     return 0;
 347 }
 348
 349
 350 /**
 351  * Creates a Service object from the given parameters.
 352  * @param protocol Protocol to use.
 353  * @param host Hostname to update.
 354  * @param login Login.
 355  * @param password Password.
 356  * @return A pointer to the created Service object.
 357  */
 358 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)
 359 {
 360     // Test for valid hostname. Must contain 3 parts minimum.
 361     list<string> fqhn_parts;
 362     ba::split(fqhn_parts,hostname,boost::is_any_of("."));
 363     if ( fqhn_parts.size() < 3 )
 364     {
 365         Log->print_invalid_hostname(hostname);
 366         Service::Ptr service;
 367         return service;
 368     }
 369
 370     if(protocol == "dhs")
 371     {
 372         Service::Ptr service_dhs(new ServiceDhs(protocol,hostname,login,password,Log,update_interval,max_updates_within_interval,dns_cache_ttl,Proxy,ProxyPort));
 373         return service_dhs;
 374     }
 375     else if(protocol == "ods")
 376     {
 377         Service::Ptr service_ods(new ServiceOds(protocol,hostname,login,password,Log,update_interval,max_updates_within_interval,dns_cache_ttl));
 378         return service_ods;
 379     }
 380     else if(protocol == "dyndns")
 381     {
 382         Service::Ptr service_dyndns(new ServiceDyndns(protocol,hostname,login,password,Log,update_interval,max_updates_within_interval,dns_cache_ttl,Proxy,ProxyPort));
 383         return service_dyndns;
 384     }
 385     else if(protocol == "dyns")
 386     {
 387         Service::Ptr service_dyns(new ServiceDyns(protocol,hostname,login,password,Log,update_interval,max_updates_within_interval,dns_cache_ttl,Proxy,ProxyPort));
 388         return service_dyns;
 389     }
 390     else if(protocol == "easydns")
 391     {
 392         Service::Ptr service_easydns(new ServiceEasydns(protocol,hostname,login,password,Log,update_interval,max_updates_within_interval,dns_cache_ttl,Proxy,ProxyPort));
 393         return service_easydns;
 394     }
 395     else if(protocol == "tzo")
 396     {
 397         Service::Ptr service_tzo(new ServiceTzo(protocol,hostname,login,password,Log,update_interval,max_updates_within_interval,dns_cache_ttl,Proxy,ProxyPort));
 398         return service_tzo;
 399     }
 400     else if(protocol == "zoneedit")
 401     {
 402         Service::Ptr service_zoneedit(new ServiceZoneedit(protocol,hostname,login,password,Log,update_interval,max_updates_within_interval,dns_cache_ttl,Proxy,ProxyPort));
 403         return service_zoneedit;
 404     }
 405     else if(protocol == "gnudip")
 406     {
 407         if ( !server.empty() )
 408         {
 409             Service::Ptr service_gnudip(new ServiceGnudip(protocol,server,hostname,login,password,Log,update_interval,max_updates_within_interval,dns_cache_ttl,Proxy,ProxyPort));
 410             return service_gnudip;
 411         }
 412         else
 413         {
 414             Log->print_gnudip_requires_servername();
 415             Service::Ptr service;
 416             return service;
 417         }
 418     }
 419     else
 420     {
 421         Log->print_unknown_protocol(protocol);
 422         Service::Ptr service;
 423         return service;
 424     }
 425 }
 426
 427
 428 /**
 429  * Loads a service config file, invoked by load_config_from_files.
 430  * @param full_filename Filename of the service config file to load.
 431  * @return 0 if all is fine, -1 otherwise.
 432  */
 433 int Config::load_service_config_file(const string& full_filename)
 434 {
 435     Log->print_load_service_conf(full_filename);
 436
 437     ifstream service_config_file(full_filename.c_str(),ifstream::in);
 438     if(service_config_file.is_open())
 439     {
 440         try
 441         {
 442             po::variables_map vm;
 443             po::parsed_options parsed_service_options = po::parse_config_file(service_config_file,*this->OptDescConfService,true);
 444             po::store(parsed_service_options,vm);
 445             po::notify(vm);
 446
 447             if(vm.count("protocol") && vm.count("host") && vm.count("login") && vm.count("password"))
 448             {
 449                 // create the corresponding service
 450                 string protocol = vm["protocol"].as<string>();
 451                 string host = vm["host"].as<string>();
 452                 string login = vm["login"].as<string>();
 453                     string password = vm["password"].as<string>();
 454
 455                 protocol = ba::to_lower_copy(protocol);
 456
 457                 string server;
 458                 if ( vm.count("server") )
 459                     server = vm["server"].as<string>();
 460
 461                 int update_interval = 0;
 462                 if ( vm.count("update_interval") )
 463                     update_interval = vm["update_interval"].as<int>();
 464
 465                 int max_updates_within_interval = 0;
 466                 if ( vm.count("max_updates_within_interval") )
 467                     max_updates_within_interval = vm["max_updates_within_interval"].as<int>();
 468
 469                 int dns_cache_ttl = 0;
 470                 if ( vm.count("dns_cache_ttl") )
 471                     dns_cache_ttl = vm["dns_cache_ttl"].as<int>();
 472
 473                 Service::Ptr service = create_service(protocol,server,host,login,password,update_interval,max_updates_within_interval,dns_cache_ttl);
 474                 if ( service )
 475                 {
 476                     ServiceHolder->add_service(service);
 477                     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());
 478                 }
 479                 else
 480                 {
 481                     Log->print_invalid_service_config();
 482                 }
 483             }
 484             else if ( vm.count("protocol") || vm.count("host") || vm.count("login") || vm.count("password") )
 485             {
 486                 service_config_file.close();
 487                 Log->print_missing_service_conf_option(full_filename);
 488                 return -1;
 489             }
 490         }
 491         catch( const po::unknown_option& e )
 492         {
 493             // unknown option in config file detected
 494             service_config_file.close();
 495             Log->print_unknown_service_conf_option(full_filename,e.what());
 496             return -1;
 497         }
 498         catch( const po::multiple_occurrences& e )
 499         {
 500             service_config_file.close();
 501             Log->print_multiple_service_conf_option(full_filename,e.what());
 502             return -1;
 503         }
 504         catch( const po::error& e )
 505         {
 506             service_config_file.close();
 507             Log->print_error_parsing_config_file(full_filename,e.what());
 508             return -1;
 509         }
 510         service_config_file.close();
 511     }
 512     else
 513     {
 514         // error opening service config file for reading
 515         Log->print_error_opening_r(full_filename);
 516         return -1;
 517     }
 518     return 0;
 519 }
 520
 521
 522 /**
 523  * Loads the main config file, invoked by load_config_from_files
 524  * @param full_filename The full filename of the main config file to load
 525  * @return 0 if all is fine, -1 otherwise
 526  */
 527 int Config::load_main_config_file(const string& full_filename)
 528 {
 529     Log->print_load_main_conf(full_filename);
 530
 531     ifstream main_config_file(full_filename.c_str(),ifstream::in);
 532     if(main_config_file.is_open())
 533     {
 534         try
 535         {
 536             po::parsed_options parsed_main_options = po::parse_config_file(main_config_file,*this->OptDescConfMain,true);
 537             po::store(parsed_main_options,VariablesMap);
 538             po::notify(VariablesMap);
 539
 540             if ( VariablesMap.count("daemon_mode") )
 541                 DaemonMode = VariablesMap["daemon_mode"].as<bool>();
 542
 543             if ( VariablesMap.count("loglevel") )
 544                 Loglevel = VariablesMap["loglevel"].as<int>();
 545
 546             if ( VariablesMap.count("syslog") )
 547                 Syslog = VariablesMap["syslog"].as<bool>();
 548
 549             if ( VariablesMap.count("enable_ipv6") )
 550                 EnableIPv6 = VariablesMap["enable_ipv6"].as<bool>();
 551
 552             if ( VariablesMap.count("webcheck_enabled") )
 553                 WebcheckEnabled = VariablesMap["webcheck_enabled"].as<bool>();
 554
 555             if ( VariablesMap.count("webcheck_url") )
 556                 WebcheckIpUrl = VariablesMap["webcheck_url"].as<string>();
 557
 558             if ( VariablesMap.count("webcheck_url_alt") )
 559                 WebcheckIpUrlAlt = VariablesMap["webcheck_url_alt"].as<string>();
 560
 561             if ( VariablesMap.count("webcheck_interval") )
 562                 WebcheckInterval = VariablesMap["webcheck_interval"].as<int>();
 563
 564             if ( VariablesMap.count("http_proxy") && VariablesMap.count("http_proxy_port") )
 565             {
 566                 Proxy = VariablesMap["http_proxy"].as<string>();
 567                 ProxyPort = VariablesMap["http_proxy_port"].as<int>();
 568             }
 569             else if ( VariablesMap.count("http_proxy") || VariablesMap.count("http_proxy_port") )
 570             {
 571                 main_config_file.close();
 572                 Log->print_missing_conf_proxy_option(full_filename);
 573                 return -1;
 574             }
 575
 576             if ( VariablesMap.count("external_warning_log") )
 577                 ExternalWarningLog = VariablesMap["external_warning_log"].as<string>();
 578
 579             if ( VariablesMap.count("external_warning_level") )
 580                 ExternalWarningLevel = VariablesMap["external_warning_level"].as<int>();
 581
 582             if ( VariablesMap.count("external_log_only_once") )
 583                 ExternalLogOnlyOnce = VariablesMap["external_log_only_once"].as<bool>();
 584
 585             if ( VariablesMap.count("start_offline") )
 586                 StartOffline = VariablesMap["start_offline"].as<bool>();
 587
 588         }
 589         catch( const po::unknown_option& e )      // at the moment 04-08-2009 this exception is never thrown :-(
 590         {
 591             // unknown option in main config file detected
 592             main_config_file.close();
 593             Log->print_unknown_main_conf_option(e.what());
 594             return -1;
 595         }
 596         catch( const po::multiple_occurrences& e )
 597         {
 598             main_config_file.close();
 599             Log->print_multiple_main_conf_option(full_filename,e.what());
 600             return -1;
 601         }
 602         main_config_file.close();
 603     }
 604     else
 605     {
 606         // error opening main config file for reading
 607         Log->print_error_opening_r(full_filename);
 608         return -1;
 609     }
 610     return 0;
 611 }
 612
 613
 614 /**
 615  * Loads the main and the service config file and does the needed action.
 616  * @param config_path The path to the config directory.
 617  * @return 0 if all is fine, -1 otherwise
 618  */
 619 int Config::load_config_from_files()
 620 {
 621     fs::path full_config_path = fs::path(ConfigPath);
 622
 623     fs::directory_iterator end_iter;
 624     for ( fs::directory_iterator dir_itr(full_config_path) ; dir_itr != end_iter ; ++dir_itr )
 625     {
 626         if( fs::is_regular_file( dir_itr->status() ) )
 627         {
 628             string actual_file = dir_itr->path().filename();
 629             boost::regex expr(".*\\.conf$");
 630              // If it is the main config file do the following
 631             if ( actual_file == "bpdyndnsd.conf" )
 632             {
 633                 // Load the main config file
 634                 string full_filename = dir_itr->path().string();
 635                 if ( load_main_config_file(full_filename) != 0 )
 636                     return -1;
 637             }
 638             // If it is a service definition file *.conf, parse it and generate the corresponding service
 639             else if ( boost::regex_search( actual_file,expr ) )
 640             {
 641                 string full_filename = dir_itr->path().string();
 642                 if ( load_service_config_file(full_filename) != 0 )
 643                     return -1;
 644             }
 645         }
 646     }
 647     // Config file successfully loaded
 648     Log->print_conf_loaded(ConfigPath);
 649     return 0;
 650 }
 651
 652
 653 /**
 654  * Getter method for member OptDescCmd.
 655  * @return options_description*.
 656  */
 657 Options_descriptionPtr Config::get_opt_desc_cmd() const
 658 {
 659     return OptDescCmd;
 660 }
 661
 662
 663 /**
 664  * Getter method for member OptDescConfMain.
 665  * @return options_description*.
 666  */
 667 Options_descriptionPtr Config::get_opt_desc_conf_main() const
 668 {
 669     return OptDescConfMain;
 670 }
 671
 672
 673 /**
 674  * Getter method for member OptDescConfService.
 675  * @return options_description*.
 676  */
 677 Options_descriptionPtr Config::get_opt_desc_conf_service() const
 678 {
 679     return OptDescConfService;
 680 }
 681
 682
 683 /**
 684  * Getter for member Loglevel.
 685  * @return Member Loglevel.
 686  */
 687 int Config::get_loglevel() const
 688 {
 689     return Loglevel;
 690 }
 691
 692
 693 /**
 694  * Getter for member DaemonMode.
 695  * @return TRUE if enabled, FALSE if disabled.
 696  */
 697 bool Config::get_daemon_mode() const
 698 {
 699     return DaemonMode;
 700 }
 701
 702
 703 /**
 704  * Deletes the map with the previously parsed options.
 705  * This is needed in case we reload the config and don't want the old cmd options to overwrite new config file options.
 706  */
 707 void Config::delete_variables_map()
 708 {
 709     VariablesMap.clear();
 710
 711     po::variables_map _variables_map;
 712     VariablesMap = _variables_map;
 713 }
 714
 715
 716 /**
 717  * Getter for member Syslog.
 718  * @return True if logging through syslog is enabled, false otherwise.
 719  */
 720 bool Config::get_syslog() const
 721 {
 722     return Syslog;
 723 }
 724
 725
 726 /**
 727  * Getter for member EnableIPv6
 728  * @return Wether IPv6 should be used or not.
 729  */
 730 bool Config::get_enable_ipv6() const
 731 {
 732     return EnableIPv6;
 733 }
 734
 735
 736 /**
 737  * Getter for member WebcheckEnabled
 738  * @return Is webcheck enabled by default.
 739  */
 740 bool Config::get_webcheck_enabled() const
 741 {
 742     return WebcheckEnabled;
 743 }
 744
 745
 746 /**
 747  * Setter for member WebcheckEnabled
 748  * @return Is webcheck enabled by default.
 749  */
 750 void Config::set_webcheck_enabled( bool webcheck_enabled )
 751 {
 752     WebcheckEnabled = webcheck_enabled;
 753 }
 754
 755
 756 /**
 757  * Getter for member WebcheckIpUrl
 758  * @return The primary IP Webcheck URL
 759  */
 760 string Config::get_webcheck_ip_url() const
 761 {
 762     return WebcheckIpUrl;
 763 }
 764
 765
 766 /**
 767  * Getter for member WebcheckIpUrlAlt
 768  * @return The alternative IP Webcheck URL
 769  */
 770 string Config::get_webcheck_ip_url_alt() const
 771 {
 772     return WebcheckIpUrlAlt;
 773 }
 774
 775
 776 /**
 777  * Get member WebcheckInterval
 778  * @return WebcheckInterval
 779  */
 780 int Config::get_webcheck_interval() const
 781 {
 782     return WebcheckInterval;
 783 }
 784
 785
 786 /**
 787  * Get member Proxy
 788  * @return Proxy
 789  */
 790 string Config::get_proxy() const
 791 {
 792     return Proxy;
 793 }
 794
 795
 796 /**
 797  * Get member ProxyPort
 798  * @return ProxyPort
 799  */
 800 int Config::get_proxy_port() const
 801 {
 802     return ProxyPort;
 803 }
 804
 805
 806 /**
 807  * Get member ExternalWarningLog
 808  * @return ExternalWarningLog
 809  */
 810 string Config::get_external_warning_log() const
 811 {
 812     return ExternalWarningLog;
 813 }
 814
 815
 816 /**
 817  * Get member ExternalWarningLevel
 818  * @return ExternalWaringLevel
 819  */
 820 int Config::get_external_warning_level() const
 821 {
 822     return ExternalWarningLevel;
 823 }
 824
 825
 826 /**
 827  * Get member StartOffline
 828  * @return StartOffline
 829  */
 830 bool Config::get_start_offline() const
 831 {
 832     return StartOffline;
 833 }
 834
 835
 836 /**
 837  * Get member ExternalLogOnlyOnce
 838  * @return StartOffline
 839  */
 840 bool Config::get_external_log_only_once() const
 841 {
 842     return ExternalLogOnlyOnce;
 843 }