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     , DialupMode(false)
  59     , DialupBurstPeriodSeconds(120)
  60     , DialupSleepSeconds(10 * 60)
  61 {
  62     // Available service description config options
  63     po::options_description opt_desc_service("Service description options");
  64     opt_desc_service.add_options()
  65         ("protocol",po::value<string>(),"The service protocol.")
  66         ("server",po::value<string>(),"Servername needed for gnudip protocol.")
  67         ("host",po::value<string>(),"The hostname to update.")
  68         ("login",po::value<string>(),"Login name.")
  69         ("password",po::value<string>(),"Corresponding password.")
  70         ("update_interval",po::value<int>()->default_value(-1),"Update interval in minutes.")
  71         ("max_updates_within_interval",po::value<int>()->default_value(-1),"How many updates can be made in one interval.")
  72         ("dns_cache_ttl",po::value<int>()->default_value(-1),"How long a dns record is valid.")
  73     ;
  74
  75     // Available command line only options
  76     po::options_description opt_desc_cmd_only("Command line only options");
  77     opt_desc_cmd_only.add_options()
  78         ("help,?","Show help.")
  79         ("version,v","Show version.")
  80         ("config,c",po::value<string>()->default_value("/etc/bpdyndnsd"),"Set the config path.")
  81     ;
  82
  83      // Available generic options. Valid on cmd or in config file.
  84     po::options_description opt_desc_generic("Generic config options");
  85     opt_desc_generic.add_options()
  86         ("daemon_mode",po::value<bool>()->default_value(false),"Run as system daemon.")
  87         ("loglevel",po::value<int>()->default_value(0),"Loglevel.")
  88         ("syslog",po::value<bool>()->default_value(false),"Use syslog facility.")
  89         ("enable_ipv6",po::value<bool>()->default_value(false),"Try to use IPv6.")
  90         ("webcheck_enabled",po::value<bool>()->default_value(false),"Use webcheck url to determine actual IP address.")
  91         ("webcheck_url",po::value<string>()->default_value(""),"Use this URL to determine IP.")
  92         ("webcheck_url_alt",po::value<string>()->default_value(""),"Use this alternative URL to determine IP.")
  93         ("webcheck_interval",po::value<int>()->default_value(10),"The webcheck interval in minutes.")
  94         ("http_proxy",po::value<string>(),"Use this proxy for all http requests.")
  95         ("http_proxy_port",po::value<int>(),"Port of the proxy.")
  96         ("external_warning_log",po::value<string>()->default_value(""),"External programm to pass warning log messages to.")
  97         ("external_warning_level",po::value<int>()->default_value(0),"Warning messages of which loglevel should be passed to external programm.")
  98         ("external_log_only_once",po::value<bool>()->default_value(false),"Log the same external message only once until next reload or restart.")
  99         ("start_offline",po::value<bool>()->default_value(false),"Start in offline mode.")
 100         ("dialup_mode",po::value<bool>()->default_value(false),"Enable dialup mode (sleep periods between network traffic)")
 101         ("dialup_burst_period_seconds",po::value<int>()->default_value(120),"Seconds of normal operation before entering dialup mode")
 102         ("dialup_sleep_seconds",po::value<int>()->default_value(10 * 60),"Seconds to sleep between network traffic")
 103     ;
 104
 105     // Define valid command line parameters
 106     OptDescCmd = Options_descriptionPtr(new po::options_description("Command line options"));
 107     OptDescCmd->add(opt_desc_cmd_only);
 108     OptDescCmd->add(opt_desc_generic);
 109     OptDescCmd->add(opt_desc_service);
 110
 111     // Define valid config file options
 112     OptDescConfMain = Options_descriptionPtr(new po::options_description("Config file options"));
 113     OptDescConfMain->add(opt_desc_generic);
 114
 115     // Define valid service file options
 116     OptDescConfService = Options_descriptionPtr(new po::options_description("Service file options"));
 117     OptDescConfService->add(opt_desc_service);
 118 }
 119
 120
 121 /**
 122  * Constructor with Logger and Serviceholder objects. Available command line and config file options with their default values are defined here.
 123  * @todo Move the program options init code to a function used by both constructors
 124  */
 125 Config::Config(Logger::Ptr _log, Serviceholder::Ptr _serviceholder)
 126     : Log(_log)
 127     , ServiceHolder(_serviceholder)
 128     , DaemonMode(false)
 129     , Syslog(false)
 130     , EnableIPv6(false)
 131     , Loglevel(0)
 132     , ConfigPath("/etc/bpdyndnsd")
 133     , WebcheckInterval(0)
 134     , ProxyPort(0)
 135     , ExternalWarningLog("")
 136     , ExternalWarningLevel(0)
 137     , StartOffline(false)
 138     , WebcheckEnabled(false)
 139     , ExternalLogOnlyOnce(false)
 140     , DialupMode(false)
 141     , DialupBurstPeriodSeconds(120)
 142     , DialupSleepSeconds(10 * 60)
 143 {
 144     // Available service description config options
 145     po::options_description opt_desc_service("Service description options");
 146     opt_desc_service.add_options()
 147         ("protocol",po::value<string>(),"The service protocol.")
 148         ("server",po::value<string>(),"Servername needed for gnudip protocol.")
 149         ("host",po::value<string>(),"The hostname to update.")
 150         ("login",po::value<string>(),"Login name.")
 151         ("password",po::value<string>(),"Corresponding password.")
 152         ("update_interval",po::value<int>()->default_value(-1),"Update interval in minutes.")
 153         ("max_updates_within_interval",po::value<int>()->default_value(-1),"How many updates can be made in one interval.")
 154         ("dns_cache_ttl",po::value<int>()->default_value(-1),"How long a dns record is valid.")
 155     ;
 156
 157     // Available command line only options
 158     po::options_description opt_desc_cmd_only("Command line only options");
 159     opt_desc_cmd_only.add_options()
 160         ("help,?","Show help.")
 161         ("version,v","Show version.")
 162         ("config,c",po::value<string>()->default_value("/etc/bpdyndnsd"),"Set the config path.")
 163     ;
 164
 165      // Available generic options. Valid on cmd or in config file.
 166     po::options_description opt_desc_generic("Generic config options");
 167     opt_desc_generic.add_options()
 168         ("daemon_mode",po::value<bool>()->default_value(false),"Run as system daemon.")
 169         ("loglevel",po::value<int>()->default_value(0),"Loglevel.")
 170         ("syslog",po::value<bool>()->default_value(false),"Use syslog facility.")
 171         ("enable_ipv6",po::value<bool>()->default_value(false),"Try to use IPv6.")
 172         ("webcheck_enabled",po::value<bool>()->default_value(false),"Use webcheck url to determine actual IP address.")
 173         ("webcheck_url",po::value<string>()->default_value(""),"Use this URL to determine IP.")
 174         ("webcheck_url_alt",po::value<string>()->default_value(""),"Use this alternative URL to determine IP.")
 175         ("webcheck_interval",po::value<int>()->default_value(10),"The webcheck interval in minutes.")
 176         ("http_proxy",po::value<string>(),"Use this proxy for all http requests.")
 177         ("http_proxy_port",po::value<int>(),"Port of the proxy.")
 178         ("external_warning_log",po::value<string>()->default_value(""),"External programm to pass warning log messages to.")
 179         ("external_warning_level",po::value<int>()->default_value(0),"Warning messages of which loglevel should be passed to external programm.")
 180         ("external_log_only_once",po::value<bool>()->default_value(false),"Log the same external message only once until next reload or restart.")
 181         ("start_offline",po::value<bool>()->default_value(false),"Start in offline mode.")
 182         ("dialup_mode",po::value<bool>()->default_value(false),"Enable dialup mode (sleep periods between network traffic)")
 183         ("dialup_burst_period_seconds",po::value<int>()->default_value(120),"Seconds of normal operation before entering dialup mode")
 184         ("dialup_sleep_seconds",po::value<int>()->default_value(10 * 60),"Seconds to sleep between network traffic")
 185     ;
 186
 187     // Define valid command line parameters
 188     OptDescCmd = Options_descriptionPtr(new po::options_description("Command line options"));
 189     OptDescCmd->add(opt_desc_cmd_only);
 190     OptDescCmd->add(opt_desc_generic);
 191     OptDescCmd->add(opt_desc_service);
 192
 193     // Define valid config file options
 194     OptDescConfMain = Options_descriptionPtr(new po::options_description("Config file options"));
 195     OptDescConfMain->add(opt_desc_generic);
 196
 197     // Define valid service file options
 198     OptDescConfService = Options_descriptionPtr(new po::options_description("Service file options"));
 199     OptDescConfService->add(opt_desc_service);
 200 }
 201
 202
 203 /**
 204  * Default Destructor
 205  */
 206 Config::~Config()
 207 {
 208 }
 209
 210
 211 /**
 212  * Parses the command line arguments and does the needed actions.
 213  * @param argc Command line argument number given to main.
 214  * @param argv[] Pointer to command line argument array given to main.
 215  * @return 0 if all is fine, -1 if not.
 216  */
 217 int Config::parse_cmd_line(int argc, char *argv[])
 218 {
 219     try
 220     {
 221         po::store(po::parse_command_line(argc, argv, *this->OptDescCmd), VariablesMap);
 222         po::notify(VariablesMap);
 223
 224         if ( VariablesMap.count("help") )
 225         {
 226             Log->print_usage(OptDescCmd);
 227             return -1;
 228         }
 229         else if ( VariablesMap.count("version") )
 230         {
 231             Log->print_version();
 232             return -1;
 233         }
 234
 235         // Create a service object if all needed options are set on the command line
 236         if ( VariablesMap.count("protocol") && VariablesMap.count("host") && VariablesMap.count("login") && VariablesMap.count("password") )
 237         {
 238             // Get the cmd parameter values for protocol host login and password
 239             string protocol = VariablesMap["protocol"].as<string>();
 240             string host = VariablesMap["host"].as<string>();
 241             string login = VariablesMap["login"].as<string>();
 242             string password = VariablesMap["password"].as<string>();
 243
 244             protocol = ba::to_lower_copy(protocol);
 245
 246             string server;
 247             if ( VariablesMap.count("server") )
 248                 server = VariablesMap["server"].as<string>();
 249
 250             int update_interval = 0;
 251             if ( VariablesMap.count("update_interval") )
 252                 update_interval = VariablesMap["update_interval"].as<int>();
 253
 254             int max_updates_within_interval = 0;
 255             if ( VariablesMap.count("max_updates_within_interval") )
 256                 max_updates_within_interval = VariablesMap["max_updates_within_interval"].as<int>();
 257
 258             int dns_cache_ttl = 0;
 259             if ( VariablesMap.count("dns_cache_ttl") )
 260                 dns_cache_ttl = VariablesMap["dns_cache_ttl"].as<int>();
 261
 262             Service::Ptr service = create_service(protocol,server,host,login,password,update_interval,max_updates_within_interval,dns_cache_ttl);
 263             if ( service )
 264             {
 265                 ServiceHolder->add_service(service);
 266                 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());
 267             }
 268             else
 269             {
 270                 Log->print_invalid_service_config();
 271             }
 272         }
 273         else if ( VariablesMap.count("protocol") || VariablesMap.count("host") || VariablesMap.count("login") || VariablesMap.count("password") )
 274         {
 275             Log->print_missing_cmd_service_option();
 276             Log->print_usage(OptDescCmd);
 277             return -1;
 278         }
 279
 280         if ( VariablesMap.count("config") )
 281         {
 282             fs::path full_config_path = fs::system_complete(fs::path(VariablesMap["config"].as<string>()));
 283             ConfigPath = full_config_path.string();
 284             if ( !fs::exists(full_config_path) ||  !fs::is_directory(full_config_path) )
 285             {
 286                 // Config path doesn't exist or is not a directory
 287                 Log->print_error_config_path(ConfigPath);
 288                 return -1;
 289             }
 290         }
 291
 292         if ( VariablesMap.count("daemon_mode") )
 293             DaemonMode = VariablesMap["daemon_mode"].as<bool>();
 294
 295         if ( VariablesMap.count("loglevel") )
 296             Loglevel = VariablesMap["loglevel"].as<int>();
 297
 298         if ( VariablesMap.count("syslog") )
 299             Syslog = VariablesMap["syslog"].as<bool>();
 300
 301         if ( VariablesMap.count("enable_ipv6") )
 302             EnableIPv6 = VariablesMap["enable_ipv6"].as<bool>();
 303
 304         if ( VariablesMap.count("webcheck_enabled") )
 305             WebcheckEnabled = VariablesMap["webcheck_enabled"].as<bool>();
 306
 307         if ( VariablesMap.count("webcheck_url") )
 308             WebcheckIpUrl = VariablesMap["webcheck_url"].as<string>();
 309
 310         if ( VariablesMap.count("webcheck_url_alt") )
 311             WebcheckIpUrlAlt = VariablesMap["webcheck_url_alt"].as<string>();
 312
 313         if ( VariablesMap.count("webcheck_interval") )
 314             WebcheckInterval = VariablesMap["webcheck_interval"].as<int>();
 315
 316         if ( VariablesMap.count("http_proxy") && VariablesMap.count("http_proxy_port") )
 317         {
 318             Proxy = VariablesMap["http_proxy"].as<string>();
 319             ProxyPort = VariablesMap["http_proxy_port"].as<int>();
 320         }
 321         else if ( VariablesMap.count("http_proxy") || VariablesMap.count("http_proxy_port") )
 322         {
 323             Log->print_missing_cmd_proxy_option();
 324             Log->print_usage(OptDescCmd);
 325             return -1;
 326         }
 327
 328         if ( VariablesMap.count("external_warning_log") )
 329             ExternalWarningLog = VariablesMap["external_warning_log"].as<string>();
 330
 331         if ( VariablesMap.count("external_warning_level") )
 332             ExternalWarningLevel = VariablesMap["external_warning_level"].as<int>();
 333
 334         if ( VariablesMap.count("external_log_only_once") )
 335             ExternalLogOnlyOnce = VariablesMap["external_log_only_once"].as<bool>();
 336
 337         if ( VariablesMap.count("start_offline") )
 338             StartOffline = VariablesMap["start_offline"].as<bool>();
 339
 340         if ( VariablesMap.count("dialup_mode") )
 341             DialupMode = VariablesMap["dialup_mode"].as<bool>();
 342         if ( VariablesMap.count("dialup_burst_period_seconds") )
 343             DialupBurstPeriodSeconds = VariablesMap["dialup_burst_period_seconds"].as<int>();
 344         if ( VariablesMap.count("dialup_sleep_seconds") )
 345             DialupSleepSeconds = VariablesMap["dialup_sleep_seconds"].as<int>();
 346     }
 347     catch( const po::unknown_option& e )
 348     {
 349         Log->print_unknown_cmd_option(e.what());
 350         Log->print_usage(OptDescCmd);
 351         return -1;
 352     }
 353     catch( const po::multiple_occurrences& e )
 354     {
 355         Log->print_multiple_cmd_option(e.what());
 356         Log->print_usage(OptDescCmd);
 357         return -1;
 358     }
 359     catch( const po::error& e )
 360     {
 361         Log->print_error_parsing_cmd(e.what());
 362         Log->print_usage(OptDescCmd);
 363         return -1;
 364     }
 365     return 0;
 366 }
 367
 368
 369 /**
 370  * Creates a Service object from the given parameters.
 371  * @param protocol Protocol to use.
 372  * @param host Hostname to update.
 373  * @param login Login.
 374  * @param password Password.
 375  * @return A pointer to the created Service object.
 376  */
 377 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)
 378 {
 379     // Test for valid hostname. Must contain 3 parts minimum.
 380     list<string> fqhn_parts;
 381     ba::split(fqhn_parts,hostname,boost::is_any_of("."));
 382     if ( fqhn_parts.size() < 3 )
 383     {
 384         Log->print_invalid_hostname(hostname);
 385         Service::Ptr service;
 386         return service;
 387     }
 388
 389     if(protocol == "dhs")
 390     {
 391         Service::Ptr service_dhs(new ServiceDhs(protocol,hostname,login,password,Log,update_interval,max_updates_within_interval,dns_cache_ttl,Proxy,ProxyPort));
 392         return service_dhs;
 393     }
 394     else if(protocol == "ods")
 395     {
 396         Service::Ptr service_ods(new ServiceOds(protocol,hostname,login,password,Log,update_interval,max_updates_within_interval,dns_cache_ttl));
 397         return service_ods;
 398     }
 399     else if(protocol == "dyndns")
 400     {
 401         Service::Ptr service_dyndns(new ServiceDyndns(protocol,hostname,login,password,Log,update_interval,max_updates_within_interval,dns_cache_ttl,Proxy,ProxyPort));
 402         return service_dyndns;
 403     }
 404     else if(protocol == "dyns")
 405     {
 406         Service::Ptr service_dyns(new ServiceDyns(protocol,hostname,login,password,Log,update_interval,max_updates_within_interval,dns_cache_ttl,Proxy,ProxyPort));
 407         return service_dyns;
 408     }
 409     else if(protocol == "easydns")
 410     {
 411         Service::Ptr service_easydns(new ServiceEasydns(protocol,hostname,login,password,Log,update_interval,max_updates_within_interval,dns_cache_ttl,Proxy,ProxyPort));
 412         return service_easydns;
 413     }
 414     else if(protocol == "tzo")
 415     {
 416         Service::Ptr service_tzo(new ServiceTzo(protocol,hostname,login,password,Log,update_interval,max_updates_within_interval,dns_cache_ttl,Proxy,ProxyPort));
 417         return service_tzo;
 418     }
 419     else if(protocol == "zoneedit")
 420     {
 421         Service::Ptr service_zoneedit(new ServiceZoneedit(protocol,hostname,login,password,Log,update_interval,max_updates_within_interval,dns_cache_ttl,Proxy,ProxyPort));
 422         return service_zoneedit;
 423     }
 424     else if(protocol == "gnudip")
 425     {
 426         if ( !server.empty() )
 427         {
 428             Service::Ptr service_gnudip(new ServiceGnudip(protocol,server,hostname,login,password,Log,update_interval,max_updates_within_interval,dns_cache_ttl,Proxy,ProxyPort));
 429             return service_gnudip;
 430         }
 431         else
 432         {
 433             Log->print_gnudip_requires_servername();
 434             Service::Ptr service;
 435             return service;
 436         }
 437     }
 438     else
 439     {
 440         Log->print_unknown_protocol(protocol);
 441         Service::Ptr service;
 442         return service;
 443     }
 444 }
 445
 446
 447 /**
 448  * Loads a service config file, invoked by load_config_from_files.
 449  * @param full_filename Filename of the service config file to load.
 450  * @return 0 if all is fine, -1 otherwise.
 451  */
 452 int Config::load_service_config_file(const string& full_filename)
 453 {
 454     Log->print_load_service_conf(full_filename);
 455
 456     ifstream service_config_file(full_filename.c_str(),ifstream::in);
 457     if(service_config_file.is_open())
 458     {
 459         try
 460         {
 461             po::variables_map vm;
 462             po::parsed_options parsed_service_options = po::parse_config_file(service_config_file,*this->OptDescConfService,false);
 463             po::store(parsed_service_options,vm);
 464             po::notify(vm);
 465
 466             if(vm.count("protocol") && vm.count("host") && vm.count("login") && vm.count("password"))
 467             {
 468                 // create the corresponding service
 469                 string protocol = vm["protocol"].as<string>();
 470                 string host = vm["host"].as<string>();
 471                 string login = vm["login"].as<string>();
 472                     string password = vm["password"].as<string>();
 473
 474                 protocol = ba::to_lower_copy(protocol);
 475
 476                 string server;
 477                 if ( vm.count("server") )
 478                     server = vm["server"].as<string>();
 479
 480                 int update_interval = 0;
 481                 if ( vm.count("update_interval") )
 482                     update_interval = vm["update_interval"].as<int>();
 483
 484                 int max_updates_within_interval = 0;
 485                 if ( vm.count("max_updates_within_interval") )
 486                     max_updates_within_interval = vm["max_updates_within_interval"].as<int>();
 487
 488                 int dns_cache_ttl = 0;
 489                 if ( vm.count("dns_cache_ttl") )
 490                     dns_cache_ttl = vm["dns_cache_ttl"].as<int>();
 491
 492                 Service::Ptr service = create_service(protocol,server,host,login,password,update_interval,max_updates_within_interval,dns_cache_ttl);
 493                 if ( service )
 494                 {
 495                     ServiceHolder->add_service(service);
 496                     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());
 497                 }
 498                 else
 499                 {
 500                     Log->print_invalid_service_config();
 501                 }
 502             }
 503             else if ( vm.count("protocol") || vm.count("host") || vm.count("login") || vm.count("password") )
 504             {
 505                 service_config_file.close();
 506                 Log->print_missing_service_conf_option(full_filename);
 507                 return -1;
 508             }
 509         }
 510         catch( const po::unknown_option& e )
 511         {
 512             // unknown option in config file detected
 513             service_config_file.close();
 514             Log->print_unknown_service_conf_option(full_filename,e.what());
 515             return -1;
 516         }
 517         catch( const po::multiple_occurrences& e )
 518         {
 519             service_config_file.close();
 520             Log->print_multiple_service_conf_option(full_filename,e.what());
 521             return -1;
 522         }
 523         catch( const po::error& e )
 524         {
 525             service_config_file.close();
 526             Log->print_error_parsing_config_file(full_filename,e.what());
 527             return -1;
 528         }
 529         service_config_file.close();
 530     }
 531     else
 532     {
 533         // error opening service config file for reading
 534         Log->print_error_opening_r(full_filename);
 535         return -1;
 536     }
 537     return 0;
 538 }
 539
 540
 541 /**
 542  * Loads the main config file, invoked by load_config_from_files
 543  * @param full_filename The full filename of the main config file to load
 544  * @return 0 if all is fine, -1 otherwise
 545  */
 546 int Config::load_main_config_file(const string& full_filename)
 547 {
 548     Log->print_load_main_conf(full_filename);
 549
 550     ifstream main_config_file(full_filename.c_str(),ifstream::in);
 551     if(main_config_file.is_open())
 552     {
 553         try
 554         {
 555             po::parsed_options parsed_main_options = po::parse_config_file(main_config_file,*this->OptDescConfMain,false);
 556             po::store(parsed_main_options,VariablesMap);
 557             po::notify(VariablesMap);
 558
 559             if ( VariablesMap.count("daemon_mode") )
 560                 DaemonMode = VariablesMap["daemon_mode"].as<bool>();
 561
 562             if ( VariablesMap.count("loglevel") )
 563                 Loglevel = VariablesMap["loglevel"].as<int>();
 564
 565             if ( VariablesMap.count("syslog") )
 566                 Syslog = VariablesMap["syslog"].as<bool>();
 567
 568             if ( VariablesMap.count("enable_ipv6") )
 569                 EnableIPv6 = VariablesMap["enable_ipv6"].as<bool>();
 570
 571             if ( VariablesMap.count("webcheck_enabled") )
 572                 WebcheckEnabled = VariablesMap["webcheck_enabled"].as<bool>();
 573
 574             if ( VariablesMap.count("webcheck_url") )
 575                 WebcheckIpUrl = VariablesMap["webcheck_url"].as<string>();
 576
 577             if ( VariablesMap.count("webcheck_url_alt") )
 578                 WebcheckIpUrlAlt = VariablesMap["webcheck_url_alt"].as<string>();
 579
 580             if ( VariablesMap.count("webcheck_interval") )
 581                 WebcheckInterval = VariablesMap["webcheck_interval"].as<int>();
 582
 583             if ( VariablesMap.count("http_proxy") && VariablesMap.count("http_proxy_port") )
 584             {
 585                 Proxy = VariablesMap["http_proxy"].as<string>();
 586                 ProxyPort = VariablesMap["http_proxy_port"].as<int>();
 587             }
 588             else if ( VariablesMap.count("http_proxy") || VariablesMap.count("http_proxy_port") )
 589             {
 590                 main_config_file.close();
 591                 Log->print_missing_conf_proxy_option(full_filename);
 592                 return -1;
 593             }
 594
 595             if ( VariablesMap.count("external_warning_log") )
 596                 ExternalWarningLog = VariablesMap["external_warning_log"].as<string>();
 597
 598             if ( VariablesMap.count("external_warning_level") )
 599                 ExternalWarningLevel = VariablesMap["external_warning_level"].as<int>();
 600
 601             if ( VariablesMap.count("external_log_only_once") )
 602                 ExternalLogOnlyOnce = VariablesMap["external_log_only_once"].as<bool>();
 603
 604             if ( VariablesMap.count("start_offline") )
 605                 StartOffline = VariablesMap["start_offline"].as<bool>();
 606
 607             if ( VariablesMap.count("dialup_mode") )
 608                 DialupMode = VariablesMap["dialup_mode"].as<bool>();
 609             if ( VariablesMap.count("dialup_burst_period_seconds") )
 610                 DialupBurstPeriodSeconds = VariablesMap["dialup_burst_period_seconds"].as<int>();
 611             if ( VariablesMap.count("dialup_sleep_seconds") )
 612                 DialupSleepSeconds = VariablesMap["dialup_sleep_seconds"].as<int>();
 613         }
 614         catch( const po::unknown_option& e )
 615         {
 616             // unknown option in main config file detected
 617             main_config_file.close();
 618             Log->print_unknown_main_conf_option(e.what());
 619             return -1;
 620         }
 621         catch( const po::multiple_occurrences& e )
 622         {
 623             main_config_file.close();
 624             Log->print_multiple_main_conf_option(full_filename,e.what());
 625             return -1;
 626         }
 627         main_config_file.close();
 628     }
 629     else
 630     {
 631         // error opening main config file for reading
 632         Log->print_error_opening_r(full_filename);
 633         return -1;
 634     }
 635     return 0;
 636 }
 637
 638
 639 /**
 640  * Loads the main and the service config file and does the needed action.
 641  * @param config_path The path to the config directory.
 642  * @return 0 if all is fine, -1 otherwise
 643  */
 644 int Config::load_config_from_files()
 645 {
 646     fs::path full_config_path = fs::path(ConfigPath);
 647
 648     fs::directory_iterator end_iter;
 649     for ( fs::directory_iterator dir_itr(full_config_path) ; dir_itr != end_iter ; ++dir_itr )
 650     {
 651         if( fs::is_regular_file( dir_itr->status() ) )
 652         {
 653             string actual_file = dir_itr->path().filename();
 654             boost::regex expr(".*\\.conf$");
 655              // If it is the main config file do the following
 656             if ( actual_file == "bpdyndnsd.conf" )
 657             {
 658                 // Load the main config file
 659                 string full_filename = dir_itr->path().string();
 660                 if ( load_main_config_file(full_filename) != 0 )
 661                     return -1;
 662             }
 663             // If it is a service definition file *.conf, parse it and generate the corresponding service
 664             else if ( boost::regex_search( actual_file,expr ) )
 665             {
 666                 string full_filename = dir_itr->path().string();
 667                 if ( load_service_config_file(full_filename) != 0 )
 668                     return -1;
 669             }
 670         }
 671     }
 672     // Config file successfully loaded
 673     Log->print_conf_loaded(ConfigPath);
 674     return 0;
 675 }
 676
 677
 678 /**
 679  * Getter method for member OptDescCmd.
 680  * @return options_description*.
 681  */
 682 Options_descriptionPtr Config::get_opt_desc_cmd() const
 683 {
 684     return OptDescCmd;
 685 }
 686
 687
 688 /**
 689  * Getter method for member OptDescConfMain.
 690  * @return options_description*.
 691  */
 692 Options_descriptionPtr Config::get_opt_desc_conf_main() const
 693 {
 694     return OptDescConfMain;
 695 }
 696
 697
 698 /**
 699  * Getter method for member OptDescConfService.
 700  * @return options_description*.
 701  */
 702 Options_descriptionPtr Config::get_opt_desc_conf_service() const
 703 {
 704     return OptDescConfService;
 705 }
 706
 707
 708 /**
 709  * Getter for member Loglevel.
 710  * @return Member Loglevel.
 711  */
 712 int Config::get_loglevel() const
 713 {
 714     return Loglevel;
 715 }
 716
 717
 718 /**
 719  * Getter for member DaemonMode.
 720  * @return TRUE if enabled, FALSE if disabled.
 721  */
 722 bool Config::get_daemon_mode() const
 723 {
 724     return DaemonMode;
 725 }
 726
 727
 728 /**
 729  * Deletes the map with the previously parsed options.
 730  * This is needed in case we reload the config and don't want the old cmd options to overwrite new config file options.
 731  */
 732 void Config::delete_variables_map()
 733 {
 734     VariablesMap.clear();
 735
 736     po::variables_map _variables_map;
 737     VariablesMap = _variables_map;
 738 }
 739
 740
 741 /**
 742  * Getter for member Syslog.
 743  * @return True if logging through syslog is enabled, false otherwise.
 744  */
 745 bool Config::get_syslog() const
 746 {
 747     return Syslog;
 748 }
 749
 750
 751 /**
 752  * Getter for member EnableIPv6
 753  * @return Wether IPv6 should be used or not.
 754  */
 755 bool Config::get_enable_ipv6() const
 756 {
 757     return EnableIPv6;
 758 }
 759
 760
 761 /**
 762  * Getter for member WebcheckEnabled
 763  * @return Is webcheck enabled by default.
 764  */
 765 bool Config::get_webcheck_enabled() const
 766 {
 767     return WebcheckEnabled;
 768 }
 769
 770
 771 /**
 772  * Setter for member WebcheckEnabled
 773  * @return Is webcheck enabled by default.
 774  */
 775 void Config::set_webcheck_enabled( bool webcheck_enabled )
 776 {
 777     WebcheckEnabled = webcheck_enabled;
 778 }
 779
 780
 781 /**
 782  * Getter for member WebcheckIpUrl
 783  * @return The primary IP Webcheck URL
 784  */
 785 string Config::get_webcheck_ip_url() const
 786 {
 787     return WebcheckIpUrl;
 788 }
 789
 790
 791 /**
 792  * Getter for member WebcheckIpUrlAlt
 793  * @return The alternative IP Webcheck URL
 794  */
 795 string Config::get_webcheck_ip_url_alt() const
 796 {
 797     return WebcheckIpUrlAlt;
 798 }
 799
 800
 801 /**
 802  * Get member WebcheckInterval
 803  * @return WebcheckInterval
 804  */
 805 int Config::get_webcheck_interval() const
 806 {
 807     return WebcheckInterval;
 808 }
 809
 810
 811 /**
 812  * Get member Proxy
 813  * @return Proxy
 814  */
 815 string Config::get_proxy() const
 816 {
 817     return Proxy;
 818 }
 819
 820
 821 /**
 822  * Get member ProxyPort
 823  * @return ProxyPort
 824  */
 825 int Config::get_proxy_port() const
 826 {
 827     return ProxyPort;
 828 }
 829
 830
 831 /**
 832  * Get member ExternalWarningLog
 833  * @return ExternalWarningLog
 834  */
 835 string Config::get_external_warning_log() const
 836 {
 837     return ExternalWarningLog;
 838 }
 839
 840
 841 /**
 842  * Get member ExternalWarningLevel
 843  * @return ExternalWaringLevel
 844  */
 845 int Config::get_external_warning_level() const
 846 {
 847     return ExternalWarningLevel;
 848 }
 849
 850
 851 /**
 852  * Get member StartOffline
 853  * @return StartOffline
 854  */
 855 bool Config::get_start_offline() const
 856 {
 857     return StartOffline;
 858 }
 859
 860
 861 /**
 862  * Get member ExternalLogOnlyOnce
 863  * @return StartOffline
 864  */
 865 bool Config::get_external_log_only_once() const
 866 {
 867     return ExternalLogOnlyOnce;
 868 }
 869
 870
 871 /**
 872  * Get member DialupMode
 873  * @return DIalupMode
 874 */
 875 bool Config::get_dialup_mode() const
 876 {
 877     return DialupMode;
 878 }
 879
 880 /**
 881  * Get member DialupBurstPeriodSeconds
 882  * @return DialupBurstPeriodSeconds
 883 */
 884 int Config::get_dialup_burst_period_seconds() const
 885 {
 886     return DialupBurstPeriodSeconds;
 887 }
 888
 889 /**
 890  * Get member DialupSleepSeconds
 891  * @return DialupSleepSeconds
 892 */
 893 int Config::get_dialup_sleep_seconds() const
 894 {
 895     return DialupSleepSeconds;
 896 }