1 files changed, 180 insertions, 0 deletions
diff --git a/zerotierone/node/NetworkConfig.cpp b/zerotierone/node/NetworkConfig.cpp
new file mode 100644
index 0000000..58a48fa
--- /dev/null
+++ b/zerotierone/node/NetworkConfig.cpp
@@ -0,0 +1,180 @@
+/*
+ * ZeroTier One - Network Virtualization Everywhere
+ * Copyright (C) 2011-2016  ZeroTier, Inc.  https://www.zerotier.com/
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <stdint.h>
+
+#include "NetworkConfig.hpp"
+#include "Utils.hpp"
+
+namespace ZeroTier {
+
+#ifdef ZT_SUPPORT_OLD_STYLE_NETCONF
+
+void NetworkConfig::fromDictionary(const char *ds,unsigned int dslen)
+{
+	static const std::string zero("0");
+	static const std::string one("1");
+
+	Dictionary d(ds,dslen);
+
+	memset(this,0,sizeof(NetworkConfig));
+
+	// NOTE: d.get(name) throws if not found, d.get(name,default) returns default
+
+	networkId = Utils::hexStrToU64(d.get(ZT_NETWORKCONFIG_DICT_KEY_NETWORK_ID,"0").c_str());
+	if (!networkId)
+		throw std::invalid_argument("configuration contains zero network ID");
+
+	timestamp = Utils::hexStrToU64(d.get(ZT_NETWORKCONFIG_DICT_KEY_TIMESTAMP,"0").c_str());
+	revision = Utils::hexStrToU64(d.get(ZT_NETWORKCONFIG_DICT_KEY_REVISION,"1").c_str()); // older controllers don't send this, so default to 1
+	issuedTo = Address(d.get(ZT_NETWORKCONFIG_DICT_KEY_ISSUED_TO,"0"));
+
+	multicastLimit = Utils::hexStrToUInt(d.get(ZT_NETWORKCONFIG_DICT_KEY_MULTICAST_LIMIT,zero).c_str());
+	if (multicastLimit == 0) multicastLimit = ZT_MULTICAST_DEFAULT_LIMIT;
+
+	flags |= ((Utils::hexStrToUInt(d.get(ZT_NETWORKCONFIG_DICT_KEY_ALLOW_PASSIVE_BRIDGING,zero).c_str()) != 0) ? ZT_NETWORKCONFIG_FLAG_ALLOW_PASSIVE_BRIDGING : 0);
+	flags |= ((Utils::hexStrToUInt(d.get(ZT_NETWORKCONFIG_DICT_KEY_ENABLE_BROADCAST,one).c_str()) != 0) ? ZT_NETWORKCONFIG_FLAG_ENABLE_BROADCAST : 0);
+
+	this->type = (Utils::hexStrToUInt(d.get(ZT_NETWORKCONFIG_DICT_KEY_PRIVATE,one).c_str()) != 0) ? ZT_NETWORK_TYPE_PRIVATE : ZT_NETWORK_TYPE_PUBLIC;
+
+	std::string nametmp(d.get(ZT_NETWORKCONFIG_DICT_KEY_NAME,""));
+	for(unsigned long i=0;((i<ZT_MAX_NETWORK_SHORT_NAME_LENGTH)&&(i<nametmp.length()));++i)
+		name[i] = (char)nametmp[i];
+	// we zeroed the entire structure above and _name is ZT_MAX_NETWORK_SHORT_NAME_LENGTH+1, so it will always null-terminate
+
+	std::vector<std::string> activeBridgesSplit(Utils::split(d.get(ZT_NETWORKCONFIG_DICT_KEY_ACTIVE_BRIDGES,"").c_str(),",","",""));
+	for(std::vector<std::string>::const_iterator a(activeBridgesSplit.begin());a!=activeBridgesSplit.end();++a) {
+		if (a->length() == ZT_ADDRESS_LENGTH_HEX) { // ignore empty or garbage fields
+			Address tmp(*a);
+			if (!tmp.isReserved()) {
+				uint64_t specialist = tmp.toInt();
+				for(unsigned int i=0;i<specialistCount;++i) {
+					if ((specialists[i] & 0xffffffffffULL) == specialist) {
+						specialists[i] |= ZT_NETWORKCONFIG_SPECIALIST_TYPE_ACTIVE_BRIDGE;
+						specialist = 0;
+						break;
+					}
+				}
+				if ((specialist)&&(specialistCount < ZT_MAX_NETWORK_SPECIALISTS))
+					specialists[specialistCount++] = specialist | ZT_NETWORKCONFIG_SPECIALIST_TYPE_ACTIVE_BRIDGE;
+			}
+		}
+	}
+
+	std::string ipAddrs(d.get(ZT_NETWORKCONFIG_DICT_KEY_IPV4_STATIC,std::string()));
+	{
+		std::string v6s(d.get(ZT_NETWORKCONFIG_DICT_KEY_IPV6_STATIC,std::string()));
+		if (v6s.length()) {
+			if (ipAddrs.length())
+				ipAddrs.push_back(',');
+			ipAddrs.append(v6s);
+		}
+	}
+	std::vector<std::string> ipAddrsSplit(Utils::split(ipAddrs.c_str(),",","",""));
+	for(std::vector<std::string>::const_iterator ipstr(ipAddrsSplit.begin());ipstr!=ipAddrsSplit.end();++ipstr) {
+		InetAddress addr(*ipstr);
+		switch(addr.ss_family) {
+			case AF_INET:
+				if ((!addr.netmaskBits())||(addr.netmaskBits() > 32))
+					continue;
+				break;
+			case AF_INET6:
+				if ((!addr.netmaskBits())||(addr.netmaskBits() > 128))
+					continue;
+				break;
+			default: // ignore unrecognized address types or junk/empty fields
+				continue;
+		}
+		if (!addr.isNetwork()) {
+			if ((staticIpCount < ZT_MAX_ZT_ASSIGNED_ADDRESSES)&&(std::find(&(staticIps[0]),&(staticIps[staticIpCount]),addr) == &(staticIps[staticIpCount])))
+				staticIps[staticIpCount++] = addr;
+		}
+	}
+	std::sort(&(staticIps[0]),&(staticIps[staticIpCount]));
+
+	/* Old versions don't support gateways anyway, so ignore this in old netconfs
+	std::vector<std::string> gatewaysSplit(Utils::split(d.get(ZT_NETWORKCONFIG_DICT_KEY_GATEWAYS,"").c_str(),",","",""));
+	for(std::vector<std::string>::const_iterator gwstr(gatewaysSplit.begin());gwstr!=gatewaysSplit.end();++gwstr) {
+		InetAddress gw(*gwstr);
+		if ((gw)&&(_gatewayCount < ZT_MAX_NETWORK_GATEWAYS)&&(std::find(&(_gateways[0]),&(_gateways[_gatewayCount]),gw) == &(_gateways[_gatewayCount])))
+			_gateways[_gatewayCount++] = gw;
+	}
+	std::sort(&(_gateways[0]),&(_gateways[_gatewayCount]));
+	*/
+
+	std::vector<std::string> relaysSplit(Utils::split(d.get(ZT_NETWORKCONFIG_DICT_KEY_RELAYS,"").c_str(),",","",""));
+	for(std::vector<std::string>::const_iterator r(relaysSplit.begin());r!=relaysSplit.end();++r) {
+		if (r->length() >= ZT_ADDRESS_LENGTH_HEX) {
+			Address zt(r->substr(0,ZT_ADDRESS_LENGTH_HEX).c_str());
+			InetAddress phy[2];
+			unsigned int phyCount = 0;
+			const std::size_t semi(r->find(';'));
+			if ((semi > ZT_ADDRESS_LENGTH_HEX)&&(semi < (r->length() - 2))) {
+				std::vector<std::string> phySplit(Utils::split(r->substr(semi+1).c_str(),",","",""));
+				for(std::vector<std::string>::const_iterator p(phySplit.begin());((p!=phySplit.end())&&(phyCount < 2));++p) {
+					phy[phyCount] = InetAddress(*p);
+					if (phy[phyCount])
+						++phyCount;
+					else phy[phyCount].zero();
+				}
+			}
+
+			uint64_t specialist = zt.toInt();
+			for(unsigned int i=0;i<specialistCount;++i) {
+				if ((specialists[i] & 0xffffffffffULL) == specialist) {
+					specialists[i] |= ZT_NETWORKCONFIG_SPECIALIST_TYPE_NETWORK_PREFERRED_RELAY;
+					specialist = 0;
+					break;
+				}
+			}
+
+			if ((specialist)&&(specialistCount < ZT_MAX_NETWORK_SPECIALISTS))
+				specialists[specialistCount++] = specialist | ZT_NETWORKCONFIG_SPECIALIST_TYPE_NETWORK_PREFERRED_RELAY;
+
+			if ((phy[0])&&(pinnedCount < ZT_MAX_NETWORK_PINNED)) {
+				pinned[pinnedCount].zt = zt;
+				pinned[pinnedCount].phy = phy[0];
+				++pinnedCount;
+			}
+			if ((phy[1])&&(pinnedCount < ZT_MAX_NETWORK_PINNED)) {
+				pinned[pinnedCount].zt = zt;
+				pinned[pinnedCount].phy = phy[0];
+				++pinnedCount;
+			}
+		}
+	}
+
+	std::vector<std::string> ets(Utils::split(d.get(ZT_NETWORKCONFIG_DICT_KEY_ALLOWED_ETHERNET_TYPES,"").c_str(),",","",""));
+	for(std::vector<std::string>::const_iterator et(ets.begin());et!=ets.end();++et) {
+		unsigned int et2 = Utils::hexStrToUInt(et->c_str()) & 0xffff;
+		if ((ruleCount + 1) < ZT_MAX_NETWORK_RULES) {
+			if (et2) {
+				rules[ruleCount].t = ZT_NETWORK_RULE_MATCH_ETHERTYPE;
+				rules[ruleCount].v.etherType = (uint16_t)et2;
+				++ruleCount;
+			}
+			rules[ruleCount++].t = ZT_NETWORK_RULE_ACTION_ACCEPT;
+		}
+	}
+
+	this->com.fromString(d.get(ZT_NETWORKCONFIG_DICT_KEY_CERTIFICATE_OF_MEMBERSHIP,std::string()));
+}
+
+#endif // ZT_SUPPORT_OLD_STYLE_NETCONF
+
+} // namespace ZeroTier