NetworkConfig refactor part 1
This commit is contained in:
parent
9b8444fff1
commit
6f854c8391
8 changed files with 577 additions and 319 deletions
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@ -23,62 +23,76 @@
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namespace ZeroTier {
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SharedPtr<NetworkConfig> NetworkConfig::createTestNetworkConfig(const Address &self)
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{
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SharedPtr<NetworkConfig> nc(new NetworkConfig());
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namespace {
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memset(nc->_etWhitelist,0,sizeof(nc->_etWhitelist));
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nc->_etWhitelist[0] |= 1; // allow all
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nc->_nwid = ZT_TEST_NETWORK_ID;
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nc->_timestamp = 1;
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nc->_revision = 1;
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nc->_issuedTo = self;
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nc->_multicastLimit = ZT_MULTICAST_DEFAULT_LIMIT;
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nc->_allowPassiveBridging = false;
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nc->_private = false;
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nc->_enableBroadcast = true;
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nc->_name = "ZT_TEST_NETWORK";
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struct ZT_VirtualNetworkStaticDevice_SortByAddress
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{
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inline bool operator()(const ZT_VirtualNetworkStaticDevice &a,const ZT_VirtualNetworkStaticDevice &b)
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{
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return (a.address < b.address);
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}
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};
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struct ZT_VirtualNetworkRule_SortByRuleNo
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{
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inline bool operator()(const ZT_VirtualNetworkRule &a,const ZT_VirtualNetworkRule &b)
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{
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return (a.ruleNo < b.ruleNo);
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}
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};
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} // anonymous namespace
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NetworkConfig NetworkConfig::createTestNetworkConfig(const Address &self)
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{
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NetworkConfig nc;
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nc._nwid = ZT_TEST_NETWORK_ID;
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nc._timestamp = 1;
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nc._revision = 1;
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nc._issuedTo = self;
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nc._multicastLimit = ZT_MULTICAST_DEFAULT_LIMIT;
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nc._allowPassiveBridging = false;
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nc._type = ZT_NETWORK_TYPE_PUBLIC;
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nc._enableBroadcast = true;
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nc._rules[nc._ruleCount].ruleNo = 0;
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nc._rules[nc._ruleCount].vlanId = -1;
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nc._rules[nc._ruleCount].vlanPcp = -1;
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nc._rules[nc._ruleCount].etherType = -1;
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nc._rules[nc._ruleCount].ipTos = -1;
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nc._rules[nc._ruleCount].ipProtocol = -1;
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nc._rules[nc._ruleCount].ipSourcePort = -1;
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nc._rules[nc._ruleCount].ipDestPort = -1;
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nc._rules[nc._ruleCount].action = ZT_NETWORK_RULE_ACTION_ACCEPT;
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++nc._ruleCount;
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Utils::snprintf(nc._name,sizeof(nc._name),"ZT_TEST_NETWORK");
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// Make up a V4 IP from 'self' in the 10.0.0.0/8 range -- no
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// guarantee of uniqueness but collisions are unlikely.
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uint32_t ip = (uint32_t)((self.toInt() & 0x00ffffff) | 0x0a000000); // 10.x.x.x
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if ((ip & 0x000000ff) == 0x000000ff) ip ^= 0x00000001; // but not ending in .255
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if ((ip & 0x000000ff) == 0x00000000) ip ^= 0x00000001; // or .0
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nc->_staticIps.push_back(InetAddress(Utils::hton(ip),8));
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nc._staticIps[0] = InetAddress(Utils::hton(ip),8);
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// Assign an RFC4193-compliant IPv6 address -- will never collide
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nc->_staticIps.push_back(InetAddress::makeIpv6rfc4193(ZT_TEST_NETWORK_ID,self.toInt()));
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nc._staticIps[1] = InetAddress::makeIpv6rfc4193(ZT_TEST_NETWORK_ID,self.toInt());
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nc._staticIpCount = 2;
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return nc;
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}
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std::vector<unsigned int> NetworkConfig::allowedEtherTypes() const
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{
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std::vector<unsigned int> ets;
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if ((_etWhitelist[0] & 1) != 0) {
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ets.push_back(0);
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} else {
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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.push_back(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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}
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return ets;
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}
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#ifdef ZT_SUPPORT_OLD_STYLE_NETCONF
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void NetworkConfig::_fromDictionary(const Dictionary &d)
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void NetworkConfig::fromDictionary(const Dictionary &d)
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{
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static const std::string zero("0");
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static const std::string one("1");
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memset(this,0,sizeof(NetworkConfig));
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// NOTE: d.get(name) throws if not found, d.get(name,default) returns default
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_nwid = Utils::hexStrToU64(d.get(ZT_NETWORKCONFIG_DICT_KEY_NETWORK_ID,"0").c_str());
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@ -87,26 +101,32 @@ void NetworkConfig::_fromDictionary(const Dictionary &d)
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_timestamp = Utils::hexStrToU64(d.get(ZT_NETWORKCONFIG_DICT_KEY_TIMESTAMP,"0").c_str());
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_revision = Utils::hexStrToU64(d.get(ZT_NETWORKCONFIG_DICT_KEY_REVISION,"1").c_str()); // older controllers don't send this, so default to 1
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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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_issuedTo = Address(d.get(ZT_NETWORKCONFIG_DICT_KEY_ISSUED_TO,"0"));
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_multicastLimit = Utils::hexStrToUInt(d.get(ZT_NETWORKCONFIG_DICT_KEY_MULTICAST_LIMIT,zero).c_str());
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if (_multicastLimit == 0) _multicastLimit = ZT_MULTICAST_DEFAULT_LIMIT;
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_allowPassiveBridging = (Utils::hexStrToUInt(d.get(ZT_NETWORKCONFIG_DICT_KEY_ALLOW_PASSIVE_BRIDGING,zero).c_str()) != 0);
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_private = (Utils::hexStrToUInt(d.get(ZT_NETWORKCONFIG_DICT_KEY_PRIVATE,one).c_str()) != 0);
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_enableBroadcast = (Utils::hexStrToUInt(d.get(ZT_NETWORKCONFIG_DICT_KEY_ENABLE_BROADCAST,one).c_str()) != 0);
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_name = d.get(ZT_NETWORKCONFIG_DICT_KEY_NAME,"");
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if (_name.length() > ZT_MAX_NETWORK_SHORT_NAME_LENGTH)
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throw std::invalid_argument("network short name too long (max: 255 characters)");
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// In dictionary IPs are split into V4 and V6 addresses, but we don't really
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// need that so merge them here.
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_allowPassiveBridging = (Utils::hexStrToUInt(d.get(ZT_NETWORKCONFIG_DICT_KEY_ALLOW_PASSIVE_BRIDGING,zero).c_str()) != 0);
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_enableBroadcast = (Utils::hexStrToUInt(d.get(ZT_NETWORKCONFIG_DICT_KEY_ENABLE_BROADCAST,one).c_str()) != 0);
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_type = (Utils::hexStrToUInt(d.get(ZT_NETWORKCONFIG_DICT_KEY_PRIVATE,one).c_str()) != 0) ? ZT_NETWORK_TYPE_PRIVATE : ZT_NETWORK_TYPE_PUBLIC;
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std::string nametmp(d.get(ZT_NETWORKCONFIG_DICT_KEY_NAME,""));
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for(unsigned long i=0;((i<ZT_MAX_NETWORK_SHORT_NAME_LENGTH)&&(i<nametmp.length()));++i)
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_name[i] = (char)nametmp[i];
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// we zeroed the entire structure above and _name is ZT_MAX_NETWORK_SHORT_NAME_LENGTH+1, so it will always null-terminate
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std::vector<std::string> activeBridgesSplit(Utils::split(d.get(ZT_NETWORKCONFIG_DICT_KEY_ACTIVE_BRIDGES,"").c_str(),",","",""));
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for(std::vector<std::string>::const_iterator a(activeBridgesSplit.begin());a!=activeBridgesSplit.end();++a) {
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if (a->length() == ZT_ADDRESS_LENGTH_HEX) { // ignore empty or garbage fields
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Address tmp(*a);
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if (!tmp.isReserved()) {
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if ((_activeBridgeCount < ZT_MAX_NETWORK_ACTIVE_BRIDGES)&&(std::find(&(_activeBridges[0]),&(_activeBridges[_activeBridgeCount]),tmp) == &(_activeBridges[_activeBridgeCount])))
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_activeBridges[_activeBridgeCount++] = tmp;
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}
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}
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}
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std::sort(&(_activeBridges[0]),&(_activeBridges[_activeBridgeCount]));
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std::string ipAddrs(d.get(ZT_NETWORKCONFIG_DICT_KEY_IPV4_STATIC,std::string()));
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{
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std::string v6s(d.get(ZT_NETWORKCONFIG_DICT_KEY_IPV6_STATIC,std::string()));
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@ -116,7 +136,6 @@ void NetworkConfig::_fromDictionary(const Dictionary &d)
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ipAddrs.append(v6s);
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}
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}
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std::vector<std::string> ipAddrsSplit(Utils::split(ipAddrs.c_str(),",","",""));
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for(std::vector<std::string>::const_iterator ipstr(ipAddrsSplit.begin());ipstr!=ipAddrsSplit.end();++ipstr) {
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InetAddress addr(*ipstr);
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@ -132,70 +151,83 @@ void NetworkConfig::_fromDictionary(const Dictionary &d)
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default: // ignore unrecognized address types or junk/empty fields
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continue;
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}
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if (addr.isNetwork())
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_localRoutes.push_back(addr);
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else _staticIps.push_back(addr);
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if (addr.isNetwork()) {
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if ((_localRouteCount < ZT_MAX_NETWORK_LOCAL_ROUTES)&&(std::find(&(_localRoutes[0]),&(_localRoutes[_localRouteCount]),addr) == &(_localRoutes[_localRouteCount])))
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_localRoutes[_localRouteCount++] = addr;
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} else {
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if ((_staticIpCount < ZT_MAX_ZT_ASSIGNED_ADDRESSES)&&(std::find(&(_staticIps[0]),&(_staticIps[_staticIpCount]),addr) == &(_staticIps[_staticIpCount])))
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_staticIps[_staticIpCount++] = addr;
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}
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}
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if (_localRoutes.size() > ZT_MAX_ZT_ASSIGNED_ADDRESSES) throw std::invalid_argument("too many ZT-assigned routes");
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if (_staticIps.size() > ZT_MAX_ZT_ASSIGNED_ADDRESSES) throw std::invalid_argument("too many ZT-assigned IP addresses");
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std::sort(_localRoutes.begin(),_localRoutes.end());
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_localRoutes.erase(std::unique(_localRoutes.begin(),_localRoutes.end()),_localRoutes.end());
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std::sort(_staticIps.begin(),_staticIps.end());
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_staticIps.erase(std::unique(_staticIps.begin(),_staticIps.end()),_staticIps.end());
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std::sort(&(_localRoutes[0]),&(_localRoutes[_localRouteCount]));
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std::sort(&(_staticIps[0]),&(_staticIps[_staticIpCount]));
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std::vector<std::string> gatewaysSplit(Utils::split(d.get(ZT_NETWORKCONFIG_DICT_KEY_GATEWAYS,"").c_str(),",","",""));
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for(std::vector<std::string>::const_iterator gwstr(gatewaysSplit.begin());gwstr!=gatewaysSplit.end();++gwstr) {
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InetAddress gw(*gwstr);
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if ((std::find(_gateways.begin(),_gateways.end(),gw) == _gateways.end())&&((gw.ss_family == AF_INET)||(gw.ss_family == AF_INET6)))
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_gateways.push_back(gw);
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if ((gw)&&(_gatewayCount < ZT_MAX_NETWORK_GATEWAYS)&&(std::find(&(_gateways[0]),&(_gateways[_gatewayCount]),gw) == &(_gateways[_gatewayCount])))
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_gateways[_gatewayCount++] = gw;
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}
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std::vector<std::string> activeBridgesSplit(Utils::split(d.get(ZT_NETWORKCONFIG_DICT_KEY_ACTIVE_BRIDGES,"").c_str(),",","",""));
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for(std::vector<std::string>::const_iterator a(activeBridgesSplit.begin());a!=activeBridgesSplit.end();++a) {
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if (a->length() == ZT_ADDRESS_LENGTH_HEX) { // ignore empty or garbage fields
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Address tmp(*a);
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if (!tmp.isReserved())
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_activeBridges.push_back(tmp);
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}
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}
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std::sort(_activeBridges.begin(),_activeBridges.end());
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_activeBridges.erase(std::unique(_activeBridges.begin(),_activeBridges.end()),_activeBridges.end());
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std::sort(&(_gateways[0]),&(_gateways[_gatewayCount]));
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std::vector<std::string> relaysSplit(Utils::split(d.get(ZT_NETWORKCONFIG_DICT_KEY_RELAYS,"").c_str(),",","",""));
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for(std::vector<std::string>::const_iterator r(relaysSplit.begin());r!=relaysSplit.end();++r) {
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std::size_t semi(r->find(';')); // address;ip/port,...
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if (semi == ZT_ADDRESS_LENGTH_HEX) {
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std::pair<Address,InetAddress> relay(
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Address(r->substr(0,semi)),
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((r->length() > (semi + 1)) ? InetAddress(r->substr(semi + 1)) : InetAddress()) );
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if ((relay.first)&&(!relay.first.isReserved()))
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_relays.push_back(relay);
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if (r->length() >= ZT_ADDRESS_LENGTH_HEX) {
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Address addr(r->substr(0,ZT_ADDRESS_LENGTH_HEX).c_str());
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InetAddress phys[2];
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unsigned int physCount = 0;
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const std::size_t semi(r->find(';'));
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if ((semi > ZT_ADDRESS_LENGTH_HEX)&&(semi < (r->length() - 2))) {
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std::vector<std::string> phySplit(Utils::split(r->substr(semi+1).c_str(),",","",""));
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for(std::vector<std::string>::const_iterator p(phySplit.begin());((p!=phySplit.end())&&(physCount < 2));++p) {
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phys[physCount] = InetAddress(*p);
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if (phys[physCount])
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++physCount;
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else phys[physCount].zero();
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}
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}
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unsigned int p = _staticCount;
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for(unsigned int i=0;i<_staticCount;++i) {
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if (_static[p].address == addr.toInt()) {
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p = i;
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break;
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}
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}
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if ((p == _staticCount)&&(_staticCount < ZT_MAX_NETWORK_STATIC_DEVICES))
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++_staticCount;
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if (p < ZT_MAX_NETWORK_STATIC_DEVICES) {
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_static[p].address = Address(r->c_str());
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for(unsigned int i=0;i<physCount;++i)
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_static[p].physical[i] = phys[i];
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_static[p].flags |= ZT_NETWORK_STATIC_DEVICE_IS_RELAY;
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}
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}
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}
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std::sort(&(_static[0]),&(_static[_staticCount]),ZT_VirtualNetworkStaticDevice_SortByAddress());
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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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int rno = 0;
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for(std::vector<std::string>::const_iterator et(ets.begin());et!=ets.end();++et) {
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unsigned int et2 = Utils::hexStrToUInt(et->c_str()) & 0xffff;
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if (_ruleCount < ZT_MAX_NETWORK_RULES) {
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memset(&(_rules[_ruleCount]),0,sizeof(ZT_VirtualNetworkRule));
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_rules[_ruleCount].ruleNo = rno; rno += 10;
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_rules[_ruleCount].vlanId = -1;
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_rules[_ruleCount].vlanPcp = -1;
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_rules[_ruleCount].etherType = (et2 == 0) ? -1 : (int)et2;
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_rules[_ruleCount].ipTos = -1;
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_rules[_ruleCount].ipProtocol = -1;
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_rules[_ruleCount].ipSourcePort = -1;
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_rules[_ruleCount].ipDestPort = -1;
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_rules[_ruleCount].action = ZT_NETWORK_RULE_ACTION_ACCEPT;
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++_ruleCount;
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}
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}
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std::sort(_relays.begin(),_relays.end());
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_relays.erase(std::unique(_relays.begin(),_relays.end()),_relays.end());
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_com.fromString(d.get(ZT_NETWORKCONFIG_DICT_KEY_CERTIFICATE_OF_MEMBERSHIP,std::string()));
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}
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bool NetworkConfig::operator==(const NetworkConfig &nc) const
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{
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if (_nwid != nc._nwid) return false;
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if (_timestamp != nc._timestamp) return false;
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if (memcmp(_etWhitelist,nc._etWhitelist,sizeof(_etWhitelist))) return false;
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if (_issuedTo != nc._issuedTo) return false;
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if (_multicastLimit != nc._multicastLimit) return false;
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if (_allowPassiveBridging != nc._allowPassiveBridging) return false;
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if (_private != nc._private) return false;
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if (_enableBroadcast != nc._enableBroadcast) return false;
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if (_name != nc._name) return false;
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if (_localRoutes != nc._localRoutes) return false;
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if (_staticIps != nc._staticIps) return false;
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if (_gateways != nc._gateways) return false;
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if (_activeBridges != nc._activeBridges) return false;
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if (_relays != nc._relays) return false;
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if (_com != nc._com) return false;
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return true;
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}
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#endif // ZT_SUPPORT_OLD_STYLE_NETCONF
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} // namespace ZeroTier
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