2013-10-18 13:48:02 +00:00
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/*
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* ZeroTier One - Global Peer to Peer Ethernet
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2014-02-16 20:40:22 +00:00
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* Copyright (C) 2011-2014 ZeroTier Networks LLC
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2013-10-18 13:48:02 +00:00
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* --
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*
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* ZeroTier may be used and distributed under the terms of the GPLv3, which
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* are available at: http://www.gnu.org/licenses/gpl-3.0.html
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*
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* If you would like to embed ZeroTier into a commercial application or
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* redistribute it in a modified binary form, please contact ZeroTier Networks
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* LLC. Start here: http://www.zerotier.com/
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*/
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#include "NetworkConfig.hpp"
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2013-10-18 15:01:41 +00:00
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#include "Utils.hpp"
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2013-10-18 13:48:02 +00:00
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namespace ZeroTier {
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2013-10-18 15:01:41 +00:00
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// This is fast enough for things like Apple's mDNS spam, so it should serve
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// as a good default for your average network. It's 64 bytes per second, with
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// a starting and max balance of 64k.
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2014-03-26 04:48:16 +00:00
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const NetworkConfig::MulticastRate NetworkConfig::DEFAULT_MULTICAST_RATE(32768,32768,64);
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2013-10-18 15:01:41 +00:00
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std::set<unsigned int> NetworkConfig::allowedEtherTypes() const
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2013-10-18 13:48:02 +00:00
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{
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std::set<unsigned int> ets;
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for(unsigned int i=0;i<sizeof(_etWhitelist);++i) {
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if (_etWhitelist[i]) {
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unsigned char b = _etWhitelist[i];
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unsigned int et = i * 8;
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while (b) {
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if ((b & 1))
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ets.insert(et);
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b >>= 1;
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++et;
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}
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}
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}
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return ets;
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}
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2013-10-18 15:01:41 +00:00
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const NetworkConfig::MulticastRate &NetworkConfig::multicastRate(const MulticastGroup &mg) const
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throw()
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{
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std::map<MulticastGroup,MulticastRate>::const_iterator r(_multicastRates.find(mg));
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if (r == _multicastRates.end()) {
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r = _multicastRates.find(MulticastGroup()); // zero MG signifies network's default rate
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if (r == _multicastRates.end())
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return DEFAULT_MULTICAST_RATE; // neither specific nor default found in network config
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}
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return r->second;
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}
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void NetworkConfig::_fromDictionary(const Dictionary &d)
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{
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2014-05-23 22:13:34 +00:00
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static const std::string zero("0");
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static const std::string one("1");
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2013-10-18 15:01:41 +00:00
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// NOTE: d.get(name) throws if not found, d.get(name,default) returns default
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2013-10-18 16:01:48 +00:00
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memset(_etWhitelist,0,sizeof(_etWhitelist));
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std::vector<std::string> ets(Utils::split(d.get(ZT_NETWORKCONFIG_DICT_KEY_ALLOWED_ETHERNET_TYPES).c_str(),",","",""));
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for(std::vector<std::string>::const_iterator et(ets.begin());et!=ets.end();++et) {
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unsigned int tmp = Utils::hexStrToUInt(et->c_str()) & 0xffff;
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_etWhitelist[tmp >> 3] |= (1 << (tmp & 7));
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}
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2013-10-18 15:01:41 +00:00
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_nwid = Utils::hexStrToU64(d.get(ZT_NETWORKCONFIG_DICT_KEY_NETWORK_ID).c_str());
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if (!_nwid)
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throw std::invalid_argument("configuration contains zero network ID");
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_timestamp = Utils::hexStrToU64(d.get(ZT_NETWORKCONFIG_DICT_KEY_TIMESTAMP).c_str());
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_issuedTo = Address(d.get(ZT_NETWORKCONFIG_DICT_KEY_ISSUED_TO));
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2014-05-23 22:13:34 +00:00
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_multicastPrefixBits = Utils::hexStrToUInt(d.get(ZT_NETWORKCONFIG_DICT_KEY_MULTICAST_PREFIX_BITS,zero).c_str());
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_multicastDepth = Utils::hexStrToUInt(d.get(ZT_NETWORKCONFIG_DICT_KEY_MULTICAST_DEPTH,zero).c_str());
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2014-06-14 20:24:19 +00:00
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_allowPassiveBridging = (Utils::hexStrToUInt(d.get(ZT_NETWORKCONFIG_DICT_KEY_ALLOW_PASSIVE_BRIDGING,zero).c_str()) != 0);
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2014-05-23 22:15:44 +00:00
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_private = (Utils::hexStrToUInt(d.get(ZT_NETWORKCONFIG_DICT_KEY_PRIVATE,one).c_str()) != 0);
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2014-05-23 22:13:34 +00:00
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_enableBroadcast = (Utils::hexStrToUInt(d.get(ZT_NETWORKCONFIG_DICT_KEY_ENABLE_BROADCAST,one).c_str()) != 0);
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2013-10-18 15:01:41 +00:00
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_name = d.get(ZT_NETWORKCONFIG_DICT_KEY_NAME);
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_description = d.get(ZT_NETWORKCONFIG_DICT_KEY_DESC,std::string());
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2013-10-18 19:50:31 +00:00
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if (!_multicastPrefixBits)
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_multicastPrefixBits = ZT_DEFAULT_MULTICAST_PREFIX_BITS;
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if (!_multicastDepth)
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_multicastDepth = ZT_DEFAULT_MULTICAST_DEPTH;
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2013-10-18 15:01:41 +00:00
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std::string ipAddrs(d.get(ZT_NETWORKCONFIG_DICT_KEY_IPV4_STATIC,std::string()));
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std::string v6s(d.get(ZT_NETWORKCONFIG_DICT_KEY_IPV6_STATIC,std::string()));
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if (v6s.length()) {
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if (ipAddrs.length())
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ipAddrs.push_back(',');
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ipAddrs.append(v6s);
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}
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std::vector<std::string> ipAddrs2(Utils::split(ipAddrs.c_str(),",","",""));
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for(std::vector<std::string>::const_iterator ipstr(ipAddrs2.begin());ipstr!=ipAddrs2.end();++ipstr) {
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InetAddress addr(*ipstr);
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switch(addr.type()) {
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case InetAddress::TYPE_IPV4:
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if ((!addr.netmaskBits())||(addr.netmaskBits() > 32))
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throw std::invalid_argument("static IP address fields contain one or more invalid IP/netmask entries");
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break;
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case InetAddress::TYPE_IPV6:
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if ((!addr.netmaskBits())||(addr.netmaskBits() > 128))
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throw std::invalid_argument("static IP address fields contain one or more invalid IP/netmask entries");
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break;
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default:
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throw std::invalid_argument("static IP address fields contain one or more invalid IP/netmask entries");
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}
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_staticIps.insert(addr);
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}
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2014-06-10 22:47:20 +00:00
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std::vector<std::string> ab(Utils::split(d.get(ZT_NETWORKCONFIG_DICT_KEY_ACTIVE_BRIDGES,"").c_str(),",","",""));
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for(std::vector<std::string>::const_iterator a(ab.begin());a!=ab.end();++a) {
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if (a->length() == ZT_ADDRESS_LENGTH_HEX) {
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Address tmp(*a);
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if (!tmp.isReserved())
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_activeBridges.insert(tmp);
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}
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}
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2013-10-18 15:01:41 +00:00
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Dictionary mr(d.get(ZT_NETWORKCONFIG_DICT_KEY_MULTICAST_RATES,std::string()));
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for(Dictionary::const_iterator i(mr.begin());i!=mr.end();++i) {
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std::vector<std::string> params(Utils::split(i->second.c_str(),",","",""));
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if (params.size() >= 3)
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_multicastRates[MulticastGroup(i->first)] = MulticastRate(Utils::hexStrToUInt(params[0].c_str()),Utils::hexStrToUInt(params[1].c_str()),Utils::hexStrToUInt(params[2].c_str()));
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}
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2013-10-24 20:57:26 +00:00
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_com.fromString(d.get(ZT_NETWORKCONFIG_DICT_KEY_CERTIFICATE_OF_MEMBERSHIP,std::string()));
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2013-10-18 15:01:41 +00:00
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}
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2013-10-18 13:48:02 +00:00
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} // namespace ZeroTier
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2013-10-18 15:01:41 +00:00
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