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+/*
+ * 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 <list>
+
+#include "../node/Constants.hpp"
+
+#include "../node/NetworkController.hpp"
+#include "../node/Mutex.hpp"
+#include "../node/Utils.hpp"
+#include "../node/Address.hpp"
+#include "../node/InetAddress.hpp"
+
+#include "../osdep/OSUtils.hpp"
+#include "../osdep/Thread.hpp"
+
+#include "../ext/json/json.hpp"
+
+namespace ZeroTier {
+
+class Node;
+
+class EmbeddedNetworkController : public NetworkController
+{
+public:
+ EmbeddedNetworkController(Node *node,const char *dbPath);
+ virtual ~EmbeddedNetworkController();
+
+ // Thread main method -- do not call directly
+ void threadMain()
+ throw();
+
+ 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);
+
+ // Network base path and network JSON path
+ inline std::string _networkBP(const uint64_t nwid,bool create)
+ {
+ char tmp[64];
+ std::string p(_path + ZT_PATH_SEPARATOR_S + "network");
+ if (create) OSUtils::mkdir(p.c_str());
+ p.push_back(ZT_PATH_SEPARATOR);
+ Utils::snprintf(tmp,sizeof(tmp),"%.16llx",nwid);
+ 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");
+ }
+
+ // Member base path and member JSON path
+ 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");
+ }
+
+ // In-memory cache of network members
+ std::map< uint64_t,std::map< Address,nlohmann::json > > _networkMemberCache;
+ Mutex _networkMemberCache_m;
+
+ // Gathers a bunch of statistics about members of a network, IP assignments, etc. that we need in various places
+ // This does lock _networkMemberCache_m
+ struct _NetworkMemberInfo
+ {
+ _NetworkMemberInfo() : authorizedMemberCount(0),activeMemberCount(0),totalMemberCount(0),mostRecentDeauthTime(0) {}
+ std::set<Address> activeBridges;
+ std::set<InetAddress> allocatedIps;
+ unsigned long authorizedMemberCount;
+ unsigned long activeMemberCount;
+ unsigned long totalMemberCount;
+ uint64_t mostRecentDeauthTime;
+ };
+ void _getNetworkMemberInfo(uint64_t now,uint64_t nwid,_NetworkMemberInfo &nmi);
+
+ // These init objects with default and static/informational fields
+ inline void _initMember(nlohmann::json &member)
+ {
+ if (!member.count("authorized")) member["authorized"] = false;
+ if (!member.count("authHistory")) member["authHistory"] = nlohmann::json::array();
+ if (!member.count("ipAssignments")) member["ipAssignments"] = nlohmann::json::array();
+ if (!member.count("recentLog")) member["recentLog"] = nlohmann::json::array();
+ if (!member.count("activeBridge")) member["activeBridge"] = false;
+ if (!member.count("tags")) member["tags"] = nlohmann::json::array();
+ if (!member.count("capabilities")) member["capabilities"] = nlohmann::json::array();
+ if (!member.count("creationTime")) member["creationTime"] = OSUtils::now();
+ if (!member.count("noAutoAssignIps")) member["noAutoAssignIps"] = false;
+ if (!member.count("revision")) member["revision"] = 0ULL;
+ if (!member.count("enableBroadcast")) member["enableBroadcast"] = true;
+ member["objtype"] = "member";
+ }
+ inline void _initNetwork(nlohmann::json &network)
+ {
+ if (!network.count("private")) network["private"] = true;
+ if (!network.count("creationTime")) network["creationTime"] = OSUtils::now();
+ if (!network.count("name")) network["name"] = "";
+ if (!network.count("multicastLimit")) network["multicastLimit"] = (uint64_t)32;
+ if (!network.count("v4AssignMode")) network["v4AssignMode"] = {{"zt",false}};
+ if (!network.count("v6AssignMode")) network["v6AssignMode"] = {{"rfc4193",false},{"zt",false},{"6plane",false}};
+ if (!network.count("authTokens")) network["authTokens"] = nlohmann::json::array();
+ if (!network.count("capabilities")) network["capabilities"] = nlohmann::json::array();
+ if (!network.count("ipAssignmentPools")) network["ipAssignmentPools"] = nlohmann::json::array();
+ if (!network.count("rules")) {
+ // If unspecified, rules are set to allow anything and behave like a flat L2 segment
+ network["rules"] = {{
+ { "not",false },
+ { "type","ACTION_ACCEPT" }
+ }};
+ }
+ network["objtype"] = "network";
+ }
+ inline void _addNetworkNonPersistedFields(nlohmann::json &network,uint64_t now,const _NetworkMemberInfo &nmi)
+ {
+ network["clock"] = now;
+ network["authorizedMemberCount"] = nmi.authorizedMemberCount;
+ network["activeMemberCount"] = nmi.activeMemberCount;
+ network["totalMemberCount"] = nmi.totalMemberCount;
+ }
+ inline void _addMemberNonPersistedFields(nlohmann::json &member,uint64_t now)
+ {
+ member["clock"] = now;
+ }
+
+ // 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;
+
+ Thread _daemon;
+ volatile bool _daemonRun;
+};
+
+} // namespace ZeroTier
+
+#endif