daemon/src/Configuration.cpp

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#include "config.h"
#include "Configuration.h"
#include "net/DiscoveryAnnouncement.h"
#include "net/DiscoveryAnnouncement.h"
#include "core/Node.h"

#include <ibrdtn/utils/Utils.h>
#include <ibrdtn/utils/Clock.h>

#include <ibrcommon/net/vinterface.h>
#include <ibrcommon/Logger.h>

#include <getopt.h>

#ifdef __DEVELOPMENT_ASSERTIONS__
#include <cassert>
#endif

using namespace dtn::net;
using namespace dtn::core;
using namespace dtn::utils;
using namespace ibrcommon;

namespace dtn
{
        namespace daemon
        {
                Configuration::NetConfig::NetConfig(std::string n, NetType t, const std::string &u, bool d)
                 : name(n), type(t), url(u), port(0), discovery(d)
                {
                }

                Configuration::NetConfig::NetConfig(std::string n, NetType t, const ibrcommon::vinterface &i, int p, bool d)
                 : name(n), type(t), interface(i), port(p), discovery(d)
                {
                }

                Configuration::NetConfig::NetConfig(std::string n, NetType t, const ibrcommon::vaddress &a, int p, bool d)
                 : name(n), type(t), interface(), address(a), port(p), discovery(d)
                {
                }

                Configuration::NetConfig::NetConfig(std::string n, NetType t, int p, bool d)
                 : name(n), type(t), interface(), port(p), discovery(d)
                {
                }

                Configuration::NetConfig::~NetConfig()
                {
                }

                std::string Configuration::version()
                {
                        std::stringstream ss;
                        ss << PACKAGE_VERSION;
                #ifdef SVN_REVISION
                        ss << " (build " << SVN_REVISION << ")";
                #endif

                        return ss.str();
                }

                Configuration::Configuration()
                 : _filename("config.ini"), _doapi(true)
                {
                }

                Configuration::~Configuration()
                {}

                Configuration::Discovery::Discovery()
                 : _enabled(true), _timeout(5) {};

                Configuration::Statistic::Statistic() {};

                Configuration::Debug::Debug()
                 : _enabled(false), _quiet(false), _level(0) {};

                Configuration::Logger::Logger()
                 : _quiet(false), _options(0), _timestamps(false) {};

                Configuration::Network::Network()
                 : _routing("default"), _forwarding(true), _tcp_nodelay(true), _tcp_chunksize(1024), _default_net("lo"), _use_default_net(false), _auto_connect(0) {};

                Configuration::Security::Security()
                 : _enabled(false), _tlsEnabled(false), _tlsRequired(false)
                {};

                Configuration::Daemon::Daemon()
                 : _daemonize(false), _kill(false)
                {};

                Configuration::Discovery::~Discovery() {};
                Configuration::Statistic::~Statistic() {};
                Configuration::Debug::~Debug() {};
                Configuration::Logger::~Logger() {};
                Configuration::Network::~Network() {};
                Configuration::Daemon::~Daemon() {};

                const Configuration::Discovery& Configuration::getDiscovery() const
                {
                        return _disco;
                }

                const Configuration::Statistic& Configuration::getStatistic() const
                {
                        return _stats;
                }

                const Configuration::Debug& Configuration::getDebug() const
                {
                        return _debug;
                }

                const Configuration::Logger& Configuration::getLogger() const
                {
                        return _logger;
                }

                const Configuration::Network& Configuration::getNetwork() const
                {
                        return _network;
                }

                const Configuration::Security& Configuration::getSecurity() const
                {
                        return _security;
                }

                const Configuration::Daemon& Configuration::getDaemon() const
                {
                        return _daemon;
                }

                Configuration& Configuration::getInstance()
                {
                        static Configuration conf;
                        return conf;
                }

                void Configuration::params(int argc, char *argv[])
                {
                        int c;
                        int doapi = _doapi;
                        int disco = _disco._enabled;
                        int badclock = dtn::utils::Clock::badclock;
                        int timestamp = _logger._timestamps;

                        while (1)
                        {
                                static struct option long_options[] =
                                {
                                                /* These options set a flag. */
                                                {"noapi", no_argument, &doapi, 0},
                                                {"nodiscovery", no_argument, &disco, 0},
                                                {"badclock", no_argument, &badclock, 1},
                                                {"timestamp", no_argument, &timestamp, 1},

                                                /* These options don't set a flag. We distinguish them by their indices. */
                                                {"help", no_argument, 0, 'h'},
#ifdef HAVE_LIBDAEMON
                                                {"daemon", no_argument, 0, 'D'},
                                                {"kill", no_argument, 0, 'k'},
                                                {"pidfile", required_argument, 0, 'p'},
#endif

                                                {"quiet", no_argument, 0, 'q'},
                                                {"version", no_argument, 0, 'v'},
                                                {"interface", required_argument, 0, 'i'},
                                                {"configuration", required_argument, 0, 'c'},
                                                {"debug", required_argument, 0, 'd'},
                                                {0, 0, 0, 0}
                                };

                                /* getopt_long stores the option index here. */
                                int option_index = 0;

#ifdef HAVE_LIBDAEMON
                                c = getopt_long (argc, argv, "qhDkp:vi:c:d:",
                                                long_options, &option_index);
#else
                                c = getopt_long (argc, argv, "qhvi:c:d:",
                                                long_options, &option_index);
#endif

                                /* Detect the end of the options. */
                                if (c == -1)
                                        break;

                                switch (c)
                                {
                                case 0:
                                        /* If this option set a flag, do nothing else now. */
                                        if (long_options[option_index].flag != 0)
                                                break;
                                        printf ("option %s", long_options[option_index].name);
                                        if (optarg)
                                                printf (" with arg %s", optarg);
                                        printf ("\n");
                                        break;

                                case 'h':
                                        std::cout << "IBR-DTN version: " << version() << std::endl;
                                        std::cout << "Syntax: dtnd [options]"  << std::endl;
                                        std::cout << " -h|--help       display this text" << std::endl;
                                        std::cout << " -c <file>       set a configuration file" << std::endl;
#ifdef HAVE_LIBDAEMON
                                        std::cout << " -D              daemonize the process" << std::endl;
                                        std::cout << " -k              stop the running daemon" << std::endl;
                                        std::cout << " -p <file>       store the pid in this pidfile" << std::endl;
#endif
                                        std::cout << " -i <interface>  interface to bind on (e.g. eth0)" << std::endl;
                                        std::cout << " -d <level>      enable debugging and set a verbose level" << std::endl;
                                        std::cout << " -q              enables the quiet mode (no logging to the console)" << std::endl;
                                        std::cout << " --noapi         disable API module" << std::endl;
                                        std::cout << " --nodiscovery   disable discovery module" << std::endl;
                                        std::cout << " --badclock      assume a bad clock on the system (use AgeBlock)" << std::endl;
                                        std::cout << " --timestamp     enables timestamps for logging instead of datetime values" << std::endl;
                                        exit(0);
                                        break;

                                case 'v':
                                        std::cout << "IBR-DTN version: " << version() << std::endl;
                                        exit(0);
                                        break;

                                case 'q':
                                        _debug._quiet = true;
                                        break;

                                case 'c':
                                        _filename = optarg;
                                        break;

                                case 'i':
                                        _network._default_net = ibrcommon::vinterface(optarg);
                                        _network._use_default_net = true;
                                        break;

                                case 'd':
                                        _debug._enabled = true;
                                        _debug._level = atoi(optarg);
                                        break;

                                case 'D':
                                        _daemon._daemonize = true;
                                        _debug._quiet = true;
                                        break;

                                case 'k':
                                        _daemon._daemonize = true;
                                        _daemon._kill = true;
                                        break;

                                case 'p':
                                        _daemon._pidfile = std::string(optarg);
                                        break;

                                case '?':
                                        /* getopt_long already printed an error message. */
                                        break;

                                default:
                                        abort ();
                                }
                        }

                        _doapi = doapi;
                        _disco._enabled = disco;
                        dtn::utils::Clock::badclock = badclock;
                        _logger._timestamps = timestamp;
                }

                void Configuration::load()
                {
                        load(_filename);
                }

                void Configuration::load(string filename)
                {
                        try {
                                // load main configuration
                                _conf = ibrcommon::ConfigFile(filename);
                                _filename = filename;

                                IBRCOMMON_LOGGER(info) << "Configuration: " << filename << IBRCOMMON_LOGGER_ENDL;
                        } catch (const ibrcommon::ConfigFile::file_not_found&) {
                                IBRCOMMON_LOGGER(info) << "Using default settings. Call with --help for options." << IBRCOMMON_LOGGER_ENDL;
                                _conf = ConfigFile();

                                // set the default user to nobody
                                _conf.add<std::string>("user", "nobody");
                        }

                        // load all configuration extensions
                        _disco.load(_conf);
                        _stats.load(_conf);
                        _debug.load(_conf);
                        _logger.load(_conf);
                        _network.load(_conf);
                        _security.load(_conf);
                }

                void Configuration::Discovery::load(const ibrcommon::ConfigFile &conf)
                {
                        _timeout = conf.read<unsigned int>("discovery_timeout", 5);
                }

                void Configuration::Statistic::load(const ibrcommon::ConfigFile&)
                {
                }

                void Configuration::Logger::load(const ibrcommon::ConfigFile &conf)
                {
                        try {
                                _logfile = conf.read<std::string>("logfile");
                        } catch (const ibrcommon::ConfigFile::key_not_found&) {
                        }
                }

                void Configuration::Debug::load(const ibrcommon::ConfigFile&)
                {
                }

                void Configuration::Daemon::load(const ibrcommon::ConfigFile&)
                {
                }

                bool Configuration::Debug::quiet() const
                {
                        return _quiet;
                }

                bool Configuration::Debug::enabled() const
                {
                        return _enabled;
                }

                int Configuration::Debug::level() const
                {
                        return _level;
                }

                string Configuration::getNodename()
                {
                        try {
                                return _conf.read<string>("local_uri");
                        } catch (const ibrcommon::ConfigFile::key_not_found&) {
                                char *hostname_array = new char[64];
                                if ( gethostname(hostname_array, 64) != 0 )
                                {
                                        // error
                                        delete[] hostname_array;
                                        return "local";
                                }

                                string hostname(hostname_array);
                                delete[] hostname_array;

                                stringstream ss;
                                ss << "dtn://" << hostname;
                                ss >> hostname;

                                return hostname;
                        }
                }

                const std::list<Configuration::NetConfig>& Configuration::Network::getInterfaces() const
                {
                        return _interfaces;
                }

                const ibrcommon::vaddress Configuration::Discovery::address() const throw (ParameterNotFoundException)
                {
                        try {
                                return ibrcommon::vaddress( ibrcommon::vaddress::VADDRESS_INET,
                                                Configuration::getInstance()._conf.read<string>("discovery_address"));
                        } catch (const ConfigFile::key_not_found&) {
                                throw ParameterNotFoundException();
                        }
                }

                int Configuration::Discovery::port() const
                {
                        return Configuration::getInstance()._conf.read<int>("discovery_port", 4551);
                }

                unsigned int Configuration::Discovery::timeout() const
                {
                        return _timeout;
                }

                Configuration::NetConfig Configuration::getAPIInterface()
                {
                        size_t port = 4550;
                        std::string interface_name = "lo";

                        try {
                                port = _conf.read<size_t>("api_port");
                        } catch (const ConfigFile::key_not_found&) { };

                        try {
                                interface_name = _conf.read<std::string>("api_interface");
                        } catch (const ConfigFile::key_not_found&) { };

                        if (interface_name == "any")
                        {
                                return Configuration::NetConfig("api", Configuration::NetConfig::NETWORK_TCP, ibrcommon::vinterface(), port);
                        }

                        return Configuration::NetConfig("api", Configuration::NetConfig::NETWORK_TCP, ibrcommon::vinterface(interface_name), port);
                }

                ibrcommon::File Configuration::getAPISocket()
                {
                        try {
                                return ibrcommon::File(_conf.read<std::string>("api_socket"));
                        } catch (const ConfigFile::key_not_found&) {
                                throw ParameterNotSetException();
                        }

                        throw ParameterNotSetException();
                }

                std::string Configuration::getStorage() const
                {
                        return _conf.read<std::string>("storage", "default");
                }

                void Configuration::Network::load(const ibrcommon::ConfigFile &conf)
                {
                        _static_routes.clear();

                        string key = "route1";
                        unsigned int keynumber = 1;

                        while (conf.keyExists( key ))
                        {
                                vector<string> route = dtn::utils::Utils::tokenize(" ", conf.read<string>(key, "dtn:none dtn:none"));
                                _static_routes.push_back( dtn::routing::StaticRoutingExtension::StaticRoute( route.front(), route.back() ) );

                                keynumber++;
                                stringstream ss; ss << "route" << keynumber; ss >> key;
                        }

                        // read the node count
                        int count = 1;

                        // initial prefix
                        std::string prefix = "static1_";

                        while ( conf.keyExists(prefix + "uri") )
                        {
                                const dtn::data::EID node_eid( conf.read<std::string>(prefix + "uri", "dtn:none") );

                                // create a address URI
                                std::stringstream ss;
                                ss << "ip=" << conf.read<std::string>(prefix + "address", "127.0.0.1") << ";port=" << conf.read<unsigned int>(prefix + "port", 4556);

                                dtn::core::Node::Protocol p = Node::CONN_UNDEFINED;

                                const std::string protocol = conf.read<std::string>(prefix + "proto", "tcp");
                                if (protocol == "tcp") p = Node::CONN_TCPIP;
                                if (protocol == "udp") p = Node::CONN_UDPIP;
                                if (protocol == "lowpan") p = Node::CONN_LOWPAN;
                                if (protocol == "zigbee") p = Node::CONN_LOWPAN; //Legacy: Stay compatible with older config files
                                if (protocol == "bluetooth") p = Node::CONN_BLUETOOTH;
                                if (protocol == "http") p = Node::CONN_HTTP;

                                bool node_exists = false;

                                // get node
                                for (std::list<Node>::iterator iter = _nodes.begin(); iter != _nodes.end(); iter++)
                                {
                                        dtn::core::Node &n = (*iter);

                                        if (n.getEID() == node_eid)
                                        {
                                                n.add( dtn::core::Node::URI( dtn::core::Node::NODE_STATIC, p, ss.str() ) );
                                                n.setConnectImmediately( conf.read<std::string>(prefix + "immediately", "no") == "yes" );
                                                node_exists = true;
                                                break;
                                        }
                                }

                                if (!node_exists)
                                {
                                        Node n(node_eid);
                                        n.add( dtn::core::Node::URI( dtn::core::Node::NODE_STATIC, p, ss.str() ) );
                                        n.setConnectImmediately( conf.read<std::string>(prefix + "immediately", "no") == "yes" );
                                        _nodes.push_back(n);
                                }

                                count++;

                                std::stringstream prefix_stream;
                                prefix_stream << "static" << count << "_";
                                prefix = prefix_stream.str();
                        }

                        _routing = conf.read<string>("routing", "default");

                        _forwarding = (conf.read<std::string>("routing_forwarding", "yes") == "yes");

                        _interfaces.clear();

                        if (_use_default_net)
                        {
                                _interfaces.push_back( Configuration::NetConfig("default", Configuration::NetConfig::NETWORK_TCP, _default_net, 4556) );
                        }
                        else try
                        {
                                vector<string> nets = dtn::utils::Utils::tokenize(" ", conf.read<string>("net_interfaces") );
                                for (vector<string>::const_iterator iter = nets.begin(); iter != nets.end(); iter++)
                                {
                                        std::string netname = (*iter);

                                        std::string key_type = "net_" + netname + "_type";
                                        std::string key_port = "net_" + netname + "_port";
                                        std::string key_interface = "net_" + netname + "_interface";
                                        std::string key_address = "net_" + netname + "_address";
                                        std::string key_discovery = "net_" + netname + "_discovery";

                                        std::string type_name = conf.read<string>(key_type, "tcp");
                                        Configuration::NetConfig::NetType type = Configuration::NetConfig::NETWORK_UNKNOWN;

                                        if (type_name == "tcp") type = Configuration::NetConfig::NETWORK_TCP;
                                        if (type_name == "udp") type = Configuration::NetConfig::NETWORK_UDP;
                                        if (type_name == "http") type = Configuration::NetConfig::NETWORK_HTTP;
                                        if (type_name == "lowpan") type = Configuration::NetConfig::NETWORK_LOWPAN;

                                        switch (type)
                                        {
                                                case Configuration::NetConfig::NETWORK_HTTP:
                                                {
                                                        Configuration::NetConfig nc(netname, type,
                                                                        conf.read<std::string>(key_address, "http://localhost/"),
                                                                        conf.read<std::string>(key_discovery, "yes") == "no");

                                                        _interfaces.push_back(nc);
                                                        break;
                                                }

                                                default:
                                                {
                                                        int port = conf.read<int>(key_port, 4556);
                                                        bool discovery = (conf.read<std::string>(key_discovery, "yes") == "yes");

                                                        try {
                                                                ibrcommon::vinterface interface(conf.read<std::string>(key_interface));
                                                                Configuration::NetConfig nc(netname, type, interface, port, discovery);
                                                                _interfaces.push_back(nc);
                                                        } catch (const ConfigFile::key_not_found&) {
                                                                ibrcommon::vaddress addr;
                                                                Configuration::NetConfig nc(netname, type, addr, port, discovery);
                                                                _interfaces.push_back(nc);
                                                        }

                                                        break;
                                                }
                                        }
                                }
                        } catch (const ConfigFile::key_not_found&) {
                                // stop the one network is not found.
                        }

                        _tcp_nodelay = (conf.read<std::string>("tcp_nodelay", "yes") == "yes");
                        _tcp_chunksize = conf.read<unsigned int>("tcp_chunksize", 1024);

                        _dynamic_rebind = (conf.read<std::string>("net_rebind", "no") == "yes");

                        _auto_connect = conf.read<size_t>("net_autoconnect", 0);
                }

                const list<dtn::routing::StaticRoutingExtension::StaticRoute>& Configuration::Network::getStaticRoutes() const
                {
                        return _static_routes;
                }

                const std::list<Node>& Configuration::Network::getStaticNodes() const
                {
                        return _nodes;
                }

                int Configuration::getTimezone()
                {
                        return _conf.read<int>( "timezone", 0 );
                }

                ibrcommon::File Configuration::getPath(string name)
                {
                        stringstream ss;
                        ss << name << "_path";
                        string key; ss >> key;

                        try {
                                return ibrcommon::File(_conf.read<string>(key));
                        } catch (const ConfigFile::key_not_found&) {
                                throw ParameterNotSetException();
                        }
                }

                const std::string Configuration::getUser() const
                {
                        try {
                                return _conf.read<std::string>("user");
                        } catch (const ConfigFile::key_not_found&) {
                                throw ParameterNotSetException();
                        }
                }

                unsigned int Configuration::getUID() const
                {
                        try {
                                return _conf.read<unsigned int>("uid");
                        } catch (const ConfigFile::key_not_found&) {
                                throw ParameterNotSetException();
                        }
                }

                unsigned int Configuration::getGID() const
                {
                        try {
                                return _conf.read<unsigned int>("gid");
                        } catch (const ConfigFile::key_not_found&) {
                                throw ParameterNotSetException();
                        }
                }


                bool Configuration::Discovery::enabled() const
                {
                        return _enabled;
                }

                bool Configuration::Discovery::announce() const
                {
                        return (Configuration::getInstance()._conf.read<int>("discovery_announce", 1) == 1);
                }

                bool Configuration::Discovery::shortbeacon() const
                {
                        return (Configuration::getInstance()._conf.read<int>("discovery_short", 0) == 1);
                }

                char Configuration::Discovery::version() const
                {
                        return Configuration::getInstance()._conf.read<int>("discovery_version", 2);
                }

                bool Configuration::doAPI()
                {
                        return _doapi;
                }

                string Configuration::getNotifyCommand()
                {
                        try {
                                return _conf.read<string>("notify_cmd");
                        } catch (const ConfigFile::key_not_found&) {
                                throw ParameterNotSetException();
                        }
                }

                Configuration::RoutingExtension Configuration::Network::getRoutingExtension() const
                {
                        if ( _routing == "epidemic" ) return EPIDEMIC_ROUTING;
                        if ( _routing == "flooding" ) return FLOOD_ROUTING;
                        return DEFAULT_ROUTING;
                }


                bool Configuration::Network::doForwarding() const
                {
                        return _forwarding;
                }

                bool Configuration::Network::getTCPOptionNoDelay() const
                {
                        return _tcp_nodelay;
                }

                size_t Configuration::Network::getTCPChunkSize() const
                {
                        return _tcp_chunksize;
                }

                bool Configuration::Network::doDynamicRebind() const
                {
                        return _dynamic_rebind;
                }

                size_t Configuration::Network::getAutoConnect() const
                {
                        return _auto_connect;
                }

                bool Configuration::Statistic::enabled() const
                {
                        return Configuration::getInstance()._conf.keyExists("statistic_type");
                }

                ibrcommon::File Configuration::Statistic::logfile() const throw (ParameterNotSetException)
                {
                        try {
                                return ibrcommon::File(Configuration::getInstance()._conf.read<std::string>("statistic_file"));
                        } catch (const ConfigFile::key_not_found&) {
                                throw ParameterNotSetException();
                        }
                }

                std::string Configuration::Statistic::type() const
                {
                        return Configuration::getInstance()._conf.read<std::string>("statistic_type", "stdout");
                }

                unsigned int Configuration::Statistic::interval() const
                {
                        return Configuration::getInstance()._conf.read<unsigned int>("statistic_interval", 300);
                }

                std::string Configuration::Statistic::address() const
                {
                        return Configuration::getInstance()._conf.read<std::string>("statistic_address", "127.0.0.1");
                }

                unsigned int Configuration::Statistic::port() const
                {
                        return Configuration::getInstance()._conf.read<unsigned int>("statistic_port", 1234);
                }

                size_t Configuration::getLimit(std::string suffix)
                {
                        std::string unparsed = _conf.read<std::string>("limit_" + suffix, "0");

                        std::stringstream ss(unparsed);

                        float value; ss >> value;
                        char multiplier = 0; ss >> multiplier;

                        switch (multiplier)
                        {
                        default:
                                return (size_t)value;
                                break;

                        case 'G':
                                return (size_t)(value * 1000000000);
                                break;

                        case 'M':
                                return (size_t)(value * 1000000);
                                break;

                        case 'K':
                                return (size_t)(value * 1000);
                                break;
                        }

                        return 0;
                }

                void Configuration::Security::load(const ibrcommon::ConfigFile &conf)
                {
                        bool withTLS = false;
#ifdef WITH_TLS
                        withTLS = true;
                        /* enable TLS if the certificate path, a certificate and the private key was given */
                        bool activateTLS = true;

                        // load CA file
                        try {
                                _ca = conf.read<std::string>("security_ca");

                                if (!_ca.exists())
                                {
                                        IBRCOMMON_LOGGER(warning) << "CA file " << _ca.getPath() << " does not exists!" << IBRCOMMON_LOGGER_ENDL;
                                        activateTLS = false;
                                }
                        } catch (const ibrcommon::ConfigFile::key_not_found&) {
                                activateTLS = false;
                        }

                        // load KEY file
                        try {
                                _key = conf.read<std::string>("security_key");

                                if (!_key.exists())
                                {
                                        IBRCOMMON_LOGGER(warning) << "KEY file " << _key.getPath() << " does not exists!" << IBRCOMMON_LOGGER_ENDL;
                                        activateTLS = false;
                                }
                        } catch (const ibrcommon::ConfigFile::key_not_found&) {
                                activateTLS = false;
                        }

                        // read trustedCAPath
                        try{
                                _trustedCAPath = conf.read<std::string>("security_trusted_ca_path");
                                if(!_trustedCAPath.isDirectory()){
                                        IBRCOMMON_LOGGER(warning) << "Trusted CA Path " << _trustedCAPath.getPath() << " does not exists or is no directory!" << IBRCOMMON_LOGGER_ENDL;
                                        activateTLS = false;
                                }
                        } catch (const ibrcommon::ConfigFile::key_not_found&) {
                                activateTLS = false;
                        }

                        // read if encryption should be disabled
                        _disableEncryption = (conf.read<std::string>("security_tls_disable_encryption", "no") == "yes");

                        if (activateTLS)
                        {
                                _tlsEnabled = true;

                                /* read if TLS is required */
                                _tlsRequired = (conf.read<std::string>("security_tls_required", "no") == "yes");
                        }
#endif

#ifdef WITH_BUNDLE_SECURITY
                        // enable security if the security path is set
                        try {
                                _path = conf.read<std::string>("security_path");

                                if (!_path.exists())
                                {
                                        ibrcommon::File::createDirectory(_path);
                                }

                                _enabled = true;
                        } catch (const ibrcommon::ConfigFile::key_not_found&) {
                                return;
                        }

                        // load level
                        _level = Level(conf.read<int>("security_level", 0));

                        if ( !withTLS )
                        {
                                /* if TLS is enabled, the CA file and the key have been read earlier */
                                // load CA file
                                try {
                                        _ca = conf.read<std::string>("security_ca");

                                        if (!_ca.exists())
                                        {
                                                IBRCOMMON_LOGGER(warning) << "CA file " << _ca.getPath() << " does not exists!" << IBRCOMMON_LOGGER_ENDL;
                                        }
                                } catch (const ibrcommon::ConfigFile::key_not_found&) { }

                                // load KEY file
                                try {
                                        _key = conf.read<std::string>("security_key");

                                        if (!_key.exists())
                                        {
                                                IBRCOMMON_LOGGER(warning) << "KEY file " << _key.getPath() << " does not exists!" << IBRCOMMON_LOGGER_ENDL;
                                        }
                                } catch (const ibrcommon::ConfigFile::key_not_found&) { }
                        }

                        // load KEY file
                        try {
                                _bab_default_key = conf.read<std::string>("security_bab_default_key");

                                if (!_bab_default_key.exists())
                                {
                                        IBRCOMMON_LOGGER(warning) << "KEY file " << _bab_default_key.getPath() << " does not exists!" << IBRCOMMON_LOGGER_ENDL;
                                }
                        } catch (const ibrcommon::ConfigFile::key_not_found&) {
                        }
#endif
                };

                Configuration::Security::~Security() {};

                bool Configuration::Security::enabled() const
                {
                        return _enabled;
                }

                bool Configuration::Security::doTLS() const
                {
                        return _tlsEnabled;
                }

                bool Configuration::Security::TLSRequired() const
                {
                        return _tlsRequired;
                }

#ifdef WITH_BUNDLE_SECURITY
                const ibrcommon::File& Configuration::Security::getPath() const
                {
                        return _path;
                }

                Configuration::Security::Level Configuration::Security::getLevel() const
                {
                        return _level;
                }

                const ibrcommon::File& Configuration::Security::getBABDefaultKey() const
                {
                        return _bab_default_key;
                }
#endif
#if defined WITH_BUNDLE_SECURITY || defined WITH_TLS
                const ibrcommon::File& Configuration::Security::getCA() const
                {
                        return _ca;
                }

                const ibrcommon::File& Configuration::Security::getKey() const
                {
                        return _key;
                }
#endif
#ifdef WITH_TLS
                const ibrcommon::File& Configuration::Security::getTrustedCAPath() const
                {
                        return _trustedCAPath;
                }

                bool Configuration::Security::TLSEncryptionDisabled() const
                {
                        return _disableEncryption;
                }
#endif

                bool Configuration::Logger::quiet() const
                {
                        return _quiet;
                }

                const ibrcommon::File& Configuration::Logger::getLogfile() const
                {
                        if (_logfile.getPath() == "") throw Configuration::ParameterNotSetException();
                        return _logfile;
                }

                bool Configuration::Logger::display_timestamps() const
                {
                        return _timestamps;
                }

                unsigned int Configuration::Logger::options() const
                {
                        return _options;
                }

                std::ostream& Configuration::Logger::output() const
                {
                        return std::cout;
                }

                bool Configuration::Daemon::daemonize() const
                {
                        return _daemonize;
                }

                bool Configuration::Daemon::kill_daemon() const
                {
                        return _kill;
                }

                const ibrcommon::File& Configuration::Daemon::getPidFile() const
                {
                        if (_pidfile == ibrcommon::File()) throw ParameterNotSetException();
                        return _pidfile;
                }
        }
}