mirror of
https://github.com/zerotier/ZeroTierOne.git
synced 2024-12-19 13:07:55 +00:00
365 lines
11 KiB
C++
365 lines
11 KiB
C++
/*
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* ZeroTier One - Network Virtualization Everywhere
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* Copyright (C) 2011-2019 ZeroTier, Inc. https://www.zerotier.com/
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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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* You can be released from the requirements of the license by purchasing
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* a commercial license. Buying such a license is mandatory as soon as you
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* develop commercial closed-source software that incorporates or links
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* directly against ZeroTier software without disclosing the source code
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* of your own application.
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*/
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#include "DB.hpp"
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#include "EmbeddedNetworkController.hpp"
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#include <chrono>
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#include <algorithm>
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#include <stdexcept>
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using json = nlohmann::json;
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namespace ZeroTier {
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void DB::initNetwork(nlohmann::json &network)
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{
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if (!network.count("private")) network["private"] = true;
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if (!network.count("creationTime")) network["creationTime"] = OSUtils::now();
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if (!network.count("name")) network["name"] = "";
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if (!network.count("multicastLimit")) network["multicastLimit"] = (uint64_t)32;
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if (!network.count("enableBroadcast")) network["enableBroadcast"] = true;
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if (!network.count("v4AssignMode")) network["v4AssignMode"] = {{"zt",false}};
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if (!network.count("v6AssignMode")) network["v6AssignMode"] = {{"rfc4193",false},{"zt",false},{"6plane",false}};
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if (!network.count("authTokens")) network["authTokens"] = {{}};
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if (!network.count("capabilities")) network["capabilities"] = nlohmann::json::array();
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if (!network.count("tags")) network["tags"] = nlohmann::json::array();
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if (!network.count("routes")) network["routes"] = nlohmann::json::array();
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if (!network.count("ipAssignmentPools")) network["ipAssignmentPools"] = nlohmann::json::array();
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if (!network.count("mtu")) network["mtu"] = ZT_DEFAULT_MTU;
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if (!network.count("remoteTraceTarget")) network["remoteTraceTarget"] = nlohmann::json();
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if (!network.count("removeTraceLevel")) network["remoteTraceLevel"] = 0;
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if (!network.count("rules")) {
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// If unspecified, rules are set to allow anything and behave like a flat L2 segment
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network["rules"] = {{
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{ "not",false },
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{ "or", false },
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{ "type","ACTION_ACCEPT" }
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}};
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}
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network["objtype"] = "network";
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}
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void DB::initMember(nlohmann::json &member)
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{
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if (!member.count("authorized")) member["authorized"] = false;
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if (!member.count("ipAssignments")) member["ipAssignments"] = nlohmann::json::array();
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if (!member.count("activeBridge")) member["activeBridge"] = false;
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if (!member.count("tags")) member["tags"] = nlohmann::json::array();
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if (!member.count("capabilities")) member["capabilities"] = nlohmann::json::array();
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if (!member.count("creationTime")) member["creationTime"] = OSUtils::now();
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if (!member.count("noAutoAssignIps")) member["noAutoAssignIps"] = false;
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if (!member.count("revision")) member["revision"] = 0ULL;
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if (!member.count("lastDeauthorizedTime")) member["lastDeauthorizedTime"] = 0ULL;
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if (!member.count("lastAuthorizedTime")) member["lastAuthorizedTime"] = 0ULL;
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if (!member.count("lastAuthorizedCredentialType")) member["lastAuthorizedCredentialType"] = nlohmann::json();
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if (!member.count("lastAuthorizedCredential")) member["lastAuthorizedCredential"] = nlohmann::json();
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if (!member.count("vMajor")) member["vMajor"] = -1;
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if (!member.count("vMinor")) member["vMinor"] = -1;
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if (!member.count("vRev")) member["vRev"] = -1;
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if (!member.count("vProto")) member["vProto"] = -1;
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if (!member.count("remoteTraceTarget")) member["remoteTraceTarget"] = nlohmann::json();
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if (!member.count("removeTraceLevel")) member["remoteTraceLevel"] = 0;
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member["objtype"] = "member";
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}
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void DB::cleanNetwork(nlohmann::json &network)
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{
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network.erase("clock");
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network.erase("authorizedMemberCount");
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network.erase("activeMemberCount");
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network.erase("totalMemberCount");
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network.erase("lastModified");
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}
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void DB::cleanMember(nlohmann::json &member)
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{
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member.erase("clock");
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member.erase("physicalAddr");
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member.erase("recentLog");
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member.erase("lastModified");
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member.erase("lastRequestMetaData");
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}
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DB::DB() {}
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DB::~DB() {}
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bool DB::get(const uint64_t networkId,nlohmann::json &network)
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{
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waitForReady();
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std::shared_ptr<_Network> nw;
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{
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std::lock_guard<std::mutex> l(_networks_l);
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auto nwi = _networks.find(networkId);
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if (nwi == _networks.end())
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return false;
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nw = nwi->second;
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}
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{
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std::lock_guard<std::mutex> l2(nw->lock);
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network = nw->config;
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}
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return true;
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}
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bool DB::get(const uint64_t networkId,nlohmann::json &network,const uint64_t memberId,nlohmann::json &member)
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{
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waitForReady();
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std::shared_ptr<_Network> nw;
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{
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std::lock_guard<std::mutex> l(_networks_l);
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auto nwi = _networks.find(networkId);
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if (nwi == _networks.end())
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return false;
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nw = nwi->second;
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}
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{
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std::lock_guard<std::mutex> l2(nw->lock);
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network = nw->config;
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auto m = nw->members.find(memberId);
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if (m == nw->members.end())
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return false;
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member = m->second;
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}
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return true;
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}
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bool DB::get(const uint64_t networkId,nlohmann::json &network,const uint64_t memberId,nlohmann::json &member,NetworkSummaryInfo &info)
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{
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waitForReady();
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std::shared_ptr<_Network> nw;
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{
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std::lock_guard<std::mutex> l(_networks_l);
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auto nwi = _networks.find(networkId);
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if (nwi == _networks.end())
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return false;
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nw = nwi->second;
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}
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{
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std::lock_guard<std::mutex> l2(nw->lock);
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network = nw->config;
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_fillSummaryInfo(nw,info);
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auto m = nw->members.find(memberId);
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if (m == nw->members.end())
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return false;
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member = m->second;
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}
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return true;
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}
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bool DB::get(const uint64_t networkId,nlohmann::json &network,std::vector<nlohmann::json> &members)
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{
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waitForReady();
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std::shared_ptr<_Network> nw;
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{
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std::lock_guard<std::mutex> l(_networks_l);
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auto nwi = _networks.find(networkId);
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if (nwi == _networks.end())
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return false;
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nw = nwi->second;
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}
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{
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std::lock_guard<std::mutex> l2(nw->lock);
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network = nw->config;
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for(auto m=nw->members.begin();m!=nw->members.end();++m)
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members.push_back(m->second);
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}
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return true;
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}
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void DB::networks(std::set<uint64_t> &networks)
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{
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waitForReady();
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std::lock_guard<std::mutex> l(_networks_l);
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for(auto n=_networks.begin();n!=_networks.end();++n)
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networks.insert(n->first);
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}
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void DB::_memberChanged(nlohmann::json &old,nlohmann::json &memberConfig,bool notifyListeners)
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{
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uint64_t memberId = 0;
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uint64_t networkId = 0;
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bool isAuth = false;
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bool wasAuth = false;
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std::shared_ptr<_Network> nw;
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if (old.is_object()) {
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memberId = OSUtils::jsonIntHex(old["id"],0ULL);
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networkId = OSUtils::jsonIntHex(old["nwid"],0ULL);
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if ((memberId)&&(networkId)) {
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{
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std::lock_guard<std::mutex> l(_networks_l);
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auto nw2 = _networks.find(networkId);
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if (nw2 != _networks.end())
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nw = nw2->second;
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}
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if (nw) {
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std::lock_guard<std::mutex> l(nw->lock);
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if (OSUtils::jsonBool(old["activeBridge"],false))
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nw->activeBridgeMembers.erase(memberId);
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wasAuth = OSUtils::jsonBool(old["authorized"],false);
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if (wasAuth)
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nw->authorizedMembers.erase(memberId);
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json &ips = old["ipAssignments"];
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if (ips.is_array()) {
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for(unsigned long i=0;i<ips.size();++i) {
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json &ipj = ips[i];
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if (ipj.is_string()) {
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const std::string ips = ipj;
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InetAddress ipa(ips.c_str());
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ipa.setPort(0);
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nw->allocatedIps.erase(ipa);
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}
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}
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}
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}
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}
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}
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if (memberConfig.is_object()) {
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if (!nw) {
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memberId = OSUtils::jsonIntHex(memberConfig["id"],0ULL);
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networkId = OSUtils::jsonIntHex(memberConfig["nwid"],0ULL);
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if ((!memberId)||(!networkId))
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return;
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std::lock_guard<std::mutex> l(_networks_l);
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std::shared_ptr<_Network> &nw2 = _networks[networkId];
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if (!nw2)
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nw2.reset(new _Network);
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nw = nw2;
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}
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{
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std::lock_guard<std::mutex> l(nw->lock);
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nw->members[memberId] = memberConfig;
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if (OSUtils::jsonBool(memberConfig["activeBridge"],false))
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nw->activeBridgeMembers.insert(memberId);
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isAuth = OSUtils::jsonBool(memberConfig["authorized"],false);
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if (isAuth)
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nw->authorizedMembers.insert(memberId);
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json &ips = memberConfig["ipAssignments"];
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if (ips.is_array()) {
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for(unsigned long i=0;i<ips.size();++i) {
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json &ipj = ips[i];
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if (ipj.is_string()) {
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const std::string ips = ipj;
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InetAddress ipa(ips.c_str());
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ipa.setPort(0);
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nw->allocatedIps.insert(ipa);
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}
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}
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}
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if (!isAuth) {
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const int64_t ldt = (int64_t)OSUtils::jsonInt(memberConfig["lastDeauthorizedTime"],0ULL);
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if (ldt > nw->mostRecentDeauthTime)
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nw->mostRecentDeauthTime = ldt;
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}
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}
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if (notifyListeners) {
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std::lock_guard<std::mutex> ll(_changeListeners_l);
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for(auto i=_changeListeners.begin();i!=_changeListeners.end();++i) {
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(*i)->onNetworkMemberUpdate(this,networkId,memberId,memberConfig);
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}
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}
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} else if (memberId) {
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if (nw) {
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std::lock_guard<std::mutex> l(nw->lock);
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nw->members.erase(memberId);
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}
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if (networkId) {
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std::lock_guard<std::mutex> l(_networks_l);
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auto er = _networkByMember.equal_range(memberId);
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for(auto i=er.first;i!=er.second;++i) {
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if (i->second == networkId) {
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_networkByMember.erase(i);
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break;
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}
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}
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}
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}
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if ((notifyListeners)&&((wasAuth)&&(!isAuth)&&(networkId)&&(memberId))) {
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std::lock_guard<std::mutex> ll(_changeListeners_l);
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for(auto i=_changeListeners.begin();i!=_changeListeners.end();++i) {
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(*i)->onNetworkMemberDeauthorize(this,networkId,memberId);
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}
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}
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}
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void DB::_networkChanged(nlohmann::json &old,nlohmann::json &networkConfig,bool notifyListeners)
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{
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if (networkConfig.is_object()) {
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const std::string ids = networkConfig["id"];
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const uint64_t networkId = Utils::hexStrToU64(ids.c_str());
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if (networkId) {
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std::shared_ptr<_Network> nw;
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{
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std::lock_guard<std::mutex> l(_networks_l);
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std::shared_ptr<_Network> &nw2 = _networks[networkId];
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if (!nw2)
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nw2.reset(new _Network);
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nw = nw2;
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}
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{
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std::lock_guard<std::mutex> l2(nw->lock);
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nw->config = networkConfig;
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}
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if (notifyListeners) {
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std::lock_guard<std::mutex> ll(_changeListeners_l);
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for(auto i=_changeListeners.begin();i!=_changeListeners.end();++i) {
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(*i)->onNetworkUpdate(this,networkId,networkConfig);
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}
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}
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}
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} else if (old.is_object()) {
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const std::string ids = old["id"];
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const uint64_t networkId = Utils::hexStrToU64(ids.c_str());
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if (networkId) {
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std::lock_guard<std::mutex> l(_networks_l);
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_networks.erase(networkId);
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}
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}
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}
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void DB::_fillSummaryInfo(const std::shared_ptr<_Network> &nw,NetworkSummaryInfo &info)
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{
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for(auto ab=nw->activeBridgeMembers.begin();ab!=nw->activeBridgeMembers.end();++ab)
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info.activeBridges.push_back(Address(*ab));
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std::sort(info.activeBridges.begin(),info.activeBridges.end());
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for(auto ip=nw->allocatedIps.begin();ip!=nw->allocatedIps.end();++ip)
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info.allocatedIps.push_back(*ip);
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std::sort(info.allocatedIps.begin(),info.allocatedIps.end());
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info.authorizedMemberCount = (unsigned long)nw->authorizedMembers.size();
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info.totalMemberCount = (unsigned long)nw->members.size();
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info.mostRecentDeauthTime = nw->mostRecentDeauthTime;
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}
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} // namespace ZeroTier
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