We now always build the controller in ZeroTier One, at least for desktop and server targets. Also means that ZeroTier One now requires C++11. (Still keeping C++11 out of the core in node/ though.)

controller/EmbeddedNetworkController.hpp

@@ -0,0 +1,173 @@
+/*
+ * ZeroTier One - Network Virtualization Everywhere
+ * Copyright (C) 2011-2015  ZeroTier, Inc.
+ *
+ * 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/>.
+ */
+
+#ifndef ZT_SQLITENETWORKCONTROLLER_HPP
+#define ZT_SQLITENETWORKCONTROLLER_HPP
+
+#include <stdint.h>
+
+#include <string>
+#include <map>
+#include <vector>
+#include <set>
+
+#include "../node/Constants.hpp"
+
+#include "../node/NetworkController.hpp"
+#include "../node/Mutex.hpp"
+#include "../node/Utils.hpp"
+#include "../node/InetAddress.hpp"
+
+#include "../osdep/OSUtils.hpp"
+
+#include "../ext/json/json.hpp"
+
+namespace ZeroTier {
+
+class Node;
+
+class EmbeddedNetworkController : public NetworkController
+{
+public:
+	EmbeddedNetworkController(Node *node,const char *dbPath);
+	virtual ~EmbeddedNetworkController();
+
+	virtual NetworkController::ResultCode doNetworkConfigRequest(
+		const InetAddress &fromAddr,
+		const Identity &signingId,
+		const Identity &identity,
+		uint64_t nwid,
+		const Dictionary<ZT_NETWORKCONFIG_METADATA_DICT_CAPACITY> &metaData,
+		NetworkConfig &nc);
+
+	unsigned int handleControlPlaneHttpGET(
+		const std::vector<std::string> &path,
+		const std::map<std::string,std::string> &urlArgs,
+		const std::map<std::string,std::string> &headers,
+		const std::string &body,
+		std::string &responseBody,
+		std::string &responseContentType);
+	unsigned int handleControlPlaneHttpPOST(
+		const std::vector<std::string> &path,
+		const std::map<std::string,std::string> &urlArgs,
+		const std::map<std::string,std::string> &headers,
+		const std::string &body,
+		std::string &responseBody,
+		std::string &responseContentType);
+	unsigned int handleControlPlaneHttpDELETE(
+		const std::vector<std::string> &path,
+		const std::map<std::string,std::string> &urlArgs,
+		const std::map<std::string,std::string> &headers,
+		const std::string &body,
+		std::string &responseBody,
+		std::string &responseContentType);
+
+private:
+	static void _circuitTestCallback(ZT_Node *node,ZT_CircuitTest *test,const ZT_CircuitTestReport *report);
+
+	inline nlohmann::json _readJson(const std::string &path)
+	{
+		std::string buf;
+		if (OSUtils::readFile(path.c_str(),buf)) {
+			try {
+				return nlohmann::json::parse(buf);
+			} catch ( ... ) {}
+		}
+		return nlohmann::json::object();
+	}
+
+	inline bool _writeJson(const std::string &path,const nlohmann::json &obj)
+	{
+		std::string buf(obj.dump(2));
+		return OSUtils::writeFile(path.c_str(),buf);
+	}
+
+	inline std::string _networkBP(const uint64_t nwid,bool create)
+	{
+		char tmp[64];
+		Utils::snprintf(tmp,sizeof(tmp),"%.16llx",nwid);
+		std::string p(_path + ZT_PATH_SEPARATOR_S + "network");
+		if (create) OSUtils::mkdir(p.c_str());
+		p.push_back(ZT_PATH_SEPARATOR);
+		p.append(tmp);
+		if (create) OSUtils::mkdir(p.c_str());
+		return p;
+	}
+	inline std::string _networkJP(const uint64_t nwid,bool create)
+	{
+		return (_networkBP(nwid,create) + ZT_PATH_SEPARATOR + "config.json");
+	}
+	inline std::string _memberBP(const uint64_t nwid,const Address &member,bool create)
+	{
+		std::string p(_networkBP(nwid,create));
+		p.push_back(ZT_PATH_SEPARATOR);
+		p.append("member");
+		if (create) OSUtils::mkdir(p.c_str());
+		p.push_back(ZT_PATH_SEPARATOR);
+		p.append(member.toString());
+		if (create) OSUtils::mkdir(p.c_str());
+		return p;
+	}
+	inline std::string _memberJP(const uint64_t nwid,const Address &member,bool create)
+	{
+		return (_memberBP(nwid,member,create) + ZT_PATH_SEPARATOR + "config.json");
+	}
+
+	inline std::set<InetAddress> _getAlreadyAllocatedIps(const uint64_t nwid)
+	{
+		std::set<InetAddress> ips;
+		std::string bp(_networkBP(nwid,false) + ZT_PATH_SEPARATOR_S + "member");
+		std::vector<std::string> members(OSUtils::listSubdirectories(bp.c_str()));
+		for(std::vector<std::string>::iterator m(members.begin());m!=members.end();++m) {
+			if (m->length() == ZT_ADDRESS_LENGTH_HEX) {
+				nlohmann::json mj = _readJson(bp + ZT_PATH_SEPARATOR_S + *m + ZT_PATH_SEPARATOR_S + "config.json");
+				auto ipAssignments = mj["ipAssignments"];
+				if (ipAssignments.is_array()) {
+					for(unsigned long i=0;i<ipAssignments.size();++i) {
+						std::string ipstr = ipAssignments[i];
+						InetAddress ip(ipstr);
+						if (ip)
+							ips.insert(ip);
+					}
+				}
+			}
+		}
+		return ips;
+	}
+
+	// These are const after construction
+	Node *const _node;
+	std::string _path;
+
+	// Circuit tests outstanding
+	struct _CircuitTestEntry
+	{
+		ZT_CircuitTest *test;
+		std::string jsonResults;
+	};
+	std::map< uint64_t,_CircuitTestEntry > _circuitTests;
+	Mutex _circuitTests_m;
+
+	// Last request time by address, for rate limitation
+	std::map< std::pair<uint64_t,uint64_t>,uint64_t > _lastRequestTime;
+	Mutex _lastRequestTime_m;
+};
+
+} // namespace ZeroTier
+
+#endif