diff options
Diffstat (limited to 'controller/DB.cpp')
-rw-r--r-- | controller/DB.cpp | 511 |
1 files changed, 511 insertions, 0 deletions
diff --git a/controller/DB.cpp b/controller/DB.cpp new file mode 100644 index 00000000..b2e8878a --- /dev/null +++ b/controller/DB.cpp @@ -0,0 +1,511 @@ +/* + * ZeroTier One - Network Virtualization Everywhere + * Copyright (C) 2011-2018 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/>. + */ + +#include "DB.hpp" +#include "EmbeddedNetworkController.hpp" + +#include <chrono> +#include <algorithm> +#include <stdexcept> + +using json = nlohmann::json; + +namespace ZeroTier { + +void DB::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("enableBroadcast")) network["enableBroadcast"] = true; + 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"] = {{}}; + if (!network.count("capabilities")) network["capabilities"] = nlohmann::json::array(); + if (!network.count("tags")) network["tags"] = nlohmann::json::array(); + if (!network.count("routes")) network["routes"] = nlohmann::json::array(); + if (!network.count("ipAssignmentPools")) network["ipAssignmentPools"] = nlohmann::json::array(); + if (!network.count("mtu")) network["mtu"] = ZT_DEFAULT_MTU; + if (!network.count("remoteTraceTarget")) network["remoteTraceTarget"] = nlohmann::json(); + if (!network.count("removeTraceLevel")) network["remoteTraceLevel"] = 0; + if (!network.count("rules")) { + // If unspecified, rules are set to allow anything and behave like a flat L2 segment + network["rules"] = {{ + { "not",false }, + { "or", false }, + { "type","ACTION_ACCEPT" } + }}; + } + network["objtype"] = "network"; +} + +void DB::initMember(nlohmann::json &member) +{ + if (!member.count("authorized")) member["authorized"] = false; + if (!member.count("ipAssignments")) member["ipAssignments"] = 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("lastDeauthorizedTime")) member["lastDeauthorizedTime"] = 0ULL; + if (!member.count("lastAuthorizedTime")) member["lastAuthorizedTime"] = 0ULL; + if (!member.count("lastAuthorizedCredentialType")) member["lastAuthorizedCredentialType"] = nlohmann::json(); + if (!member.count("lastAuthorizedCredential")) member["lastAuthorizedCredential"] = nlohmann::json(); + if (!member.count("vMajor")) member["vMajor"] = -1; + if (!member.count("vMinor")) member["vMinor"] = -1; + if (!member.count("vRev")) member["vRev"] = -1; + if (!member.count("vProto")) member["vProto"] = -1; + if (!member.count("remoteTraceTarget")) member["remoteTraceTarget"] = nlohmann::json(); + if (!member.count("removeTraceLevel")) member["remoteTraceLevel"] = 0; + member["objtype"] = "member"; +} + +void DB::cleanNetwork(nlohmann::json &network) +{ + network.erase("clock"); + network.erase("authorizedMemberCount"); + network.erase("activeMemberCount"); + network.erase("totalMemberCount"); + network.erase("lastModified"); +} + +void DB::cleanMember(nlohmann::json &member) +{ + member.erase("clock"); + member.erase("physicalAddr"); + member.erase("recentLog"); + member.erase("lastModified"); + member.erase("lastRequestMetaData"); +} + +DB::DB(EmbeddedNetworkController *const nc,const Identity &myId,const char *path) : + _controller(nc), + _myId(myId), + _myAddress(myId.address()), + _path((path) ? path : "") +{ + char tmp[32]; + _myAddress.toString(tmp); + _myAddressStr = tmp; +} + +DB::~DB() +{ +} + +bool DB::get(const uint64_t networkId,nlohmann::json &network) +{ + waitForReady(); + std::shared_ptr<_Network> nw; + { + std::lock_guard<std::mutex> l(_networks_l); + auto nwi = _networks.find(networkId); + if (nwi == _networks.end()) + return false; + nw = nwi->second; + } + { + std::lock_guard<std::mutex> l2(nw->lock); + network = nw->config; + } + return true; +} + +bool DB::get(const uint64_t networkId,nlohmann::json &network,const uint64_t memberId,nlohmann::json &member) +{ + waitForReady(); + std::shared_ptr<_Network> nw; + { + std::lock_guard<std::mutex> l(_networks_l); + auto nwi = _networks.find(networkId); + if (nwi == _networks.end()) + return false; + nw = nwi->second; + } + { + std::lock_guard<std::mutex> l2(nw->lock); + network = nw->config; + auto m = nw->members.find(memberId); + if (m == nw->members.end()) + return false; + member = m->second; + } + return true; +} + +bool DB::get(const uint64_t networkId,nlohmann::json &network,const uint64_t memberId,nlohmann::json &member,NetworkSummaryInfo &info) +{ + waitForReady(); + std::shared_ptr<_Network> nw; + { + std::lock_guard<std::mutex> l(_networks_l); + auto nwi = _networks.find(networkId); + if (nwi == _networks.end()) + return false; + nw = nwi->second; + } + { + std::lock_guard<std::mutex> l2(nw->lock); + network = nw->config; + _fillSummaryInfo(nw,info); + auto m = nw->members.find(memberId); + if (m == nw->members.end()) + return false; + member = m->second; + } + return true; +} + +bool DB::get(const uint64_t networkId,nlohmann::json &network,std::vector<nlohmann::json> &members) +{ + waitForReady(); + std::shared_ptr<_Network> nw; + { + std::lock_guard<std::mutex> l(_networks_l); + auto nwi = _networks.find(networkId); + if (nwi == _networks.end()) + return false; + nw = nwi->second; + } + { + std::lock_guard<std::mutex> l2(nw->lock); + network = nw->config; + for(auto m=nw->members.begin();m!=nw->members.end();++m) + members.push_back(m->second); + } + return true; +} + +bool DB::summary(const uint64_t networkId,NetworkSummaryInfo &info) +{ + waitForReady(); + std::shared_ptr<_Network> nw; + { + std::lock_guard<std::mutex> l(_networks_l); + auto nwi = _networks.find(networkId); + if (nwi == _networks.end()) + return false; + nw = nwi->second; + } + { + std::lock_guard<std::mutex> l2(nw->lock); + _fillSummaryInfo(nw,info); + } + return true; +} + +void DB::networks(std::vector<uint64_t> &networks) +{ + waitForReady(); + std::lock_guard<std::mutex> l(_networks_l); + networks.reserve(_networks.size() + 1); + for(auto n=_networks.begin();n!=_networks.end();++n) + networks.push_back(n->first); +} + +void DB::_memberChanged(nlohmann::json &old,nlohmann::json &memberConfig,bool push) +{ + uint64_t memberId = 0; + uint64_t networkId = 0; + bool isAuth = false; + bool wasAuth = false; + std::shared_ptr<_Network> nw; + + if (old.is_object()) { + memberId = OSUtils::jsonIntHex(old["id"],0ULL); + networkId = OSUtils::jsonIntHex(old["nwid"],0ULL); + if ((memberId)&&(networkId)) { + { + std::lock_guard<std::mutex> l(_networks_l); + auto nw2 = _networks.find(networkId); + if (nw2 != _networks.end()) + nw = nw2->second; + } + if (nw) { + std::lock_guard<std::mutex> l(nw->lock); + if (OSUtils::jsonBool(old["activeBridge"],false)) + nw->activeBridgeMembers.erase(memberId); + wasAuth = OSUtils::jsonBool(old["authorized"],false); + if (wasAuth) + nw->authorizedMembers.erase(memberId); + json &ips = old["ipAssignments"]; + if (ips.is_array()) { + for(unsigned long i=0;i<ips.size();++i) { + json &ipj = ips[i]; + if (ipj.is_string()) { + const std::string ips = ipj; + InetAddress ipa(ips.c_str()); + ipa.setPort(0); + nw->allocatedIps.erase(ipa); + } + } + } + } + } + } + + if (memberConfig.is_object()) { + if (!nw) { + memberId = OSUtils::jsonIntHex(memberConfig["id"],0ULL); + networkId = OSUtils::jsonIntHex(memberConfig["nwid"],0ULL); + if ((!memberId)||(!networkId)) + return; + std::lock_guard<std::mutex> l(_networks_l); + std::shared_ptr<_Network> &nw2 = _networks[networkId]; + if (!nw2) + nw2.reset(new _Network); + nw = nw2; + } + + { + std::lock_guard<std::mutex> l(nw->lock); + + nw->members[memberId] = memberConfig; + + if (OSUtils::jsonBool(memberConfig["activeBridge"],false)) + nw->activeBridgeMembers.insert(memberId); + isAuth = OSUtils::jsonBool(memberConfig["authorized"],false); + if (isAuth) + nw->authorizedMembers.insert(memberId); + json &ips = memberConfig["ipAssignments"]; + if (ips.is_array()) { + for(unsigned long i=0;i<ips.size();++i) { + json &ipj = ips[i]; + if (ipj.is_string()) { + const std::string ips = ipj; + InetAddress ipa(ips.c_str()); + ipa.setPort(0); + nw->allocatedIps.insert(ipa); + } + } + } + + if (!isAuth) { + const int64_t ldt = (int64_t)OSUtils::jsonInt(memberConfig["lastDeauthorizedTime"],0ULL); + if (ldt > nw->mostRecentDeauthTime) + nw->mostRecentDeauthTime = ldt; + } + } + + if (push) + _controller->onNetworkMemberUpdate(networkId,memberId); + } else if (memberId) { + if (nw) { + std::lock_guard<std::mutex> l(nw->lock); + nw->members.erase(memberId); + } + if (networkId) { + std::lock_guard<std::mutex> l(_networks_l); + auto er = _networkByMember.equal_range(memberId); + for(auto i=er.first;i!=er.second;++i) { + if (i->second == networkId) { + _networkByMember.erase(i); + break; + } + } + } + } + + /* + if (old.is_object()) { + json &config = old["config"]; + if (config.is_object()) { + memberId = OSUtils::jsonIntHex(config["id"],0ULL); + networkId = OSUtils::jsonIntHex(config["nwid"],0ULL); + if ((memberId)&&(networkId)) { + { + std::lock_guard<std::mutex> l(_networks_l); + auto nw2 = _networks.find(networkId); + if (nw2 != _networks.end()) + nw = nw2->second; + } + if (nw) { + std::lock_guard<std::mutex> l(nw->lock); + if (OSUtils::jsonBool(config["activeBridge"],false)) + nw->activeBridgeMembers.erase(memberId); + wasAuth = OSUtils::jsonBool(config["authorized"],false); + if (wasAuth) + nw->authorizedMembers.erase(memberId); + json &ips = config["ipAssignments"]; + if (ips.is_array()) { + for(unsigned long i=0;i<ips.size();++i) { + json &ipj = ips[i]; + if (ipj.is_string()) { + const std::string ips = ipj; + InetAddress ipa(ips.c_str()); + ipa.setPort(0); + nw->allocatedIps.erase(ipa); + } + } + } + } + } + } + } + + if (member.is_object()) { + json &config = member["config"]; + if (config.is_object()) { + if (!nw) { + memberId = OSUtils::jsonIntHex(config["id"],0ULL); + networkId = OSUtils::jsonIntHex(config["nwid"],0ULL); + if ((!memberId)||(!networkId)) + return; + std::lock_guard<std::mutex> l(_networks_l); + std::shared_ptr<_Network> &nw2 = _networks[networkId]; + if (!nw2) + nw2.reset(new _Network); + nw = nw2; + } + + { + std::lock_guard<std::mutex> l(nw->lock); + + nw->members[memberId] = config; + + if (OSUtils::jsonBool(config["activeBridge"],false)) + nw->activeBridgeMembers.insert(memberId); + isAuth = OSUtils::jsonBool(config["authorized"],false); + if (isAuth) + nw->authorizedMembers.insert(memberId); + json &ips = config["ipAssignments"]; + if (ips.is_array()) { + for(unsigned long i=0;i<ips.size();++i) { + json &ipj = ips[i]; + if (ipj.is_string()) { + const std::string ips = ipj; + InetAddress ipa(ips.c_str()); + ipa.setPort(0); + nw->allocatedIps.insert(ipa); + } + } + } + + if (!isAuth) { + const int64_t ldt = (int64_t)OSUtils::jsonInt(config["lastDeauthorizedTime"],0ULL); + if (ldt > nw->mostRecentDeauthTime) + nw->mostRecentDeauthTime = ldt; + } + } + + if (push) + _controller->onNetworkMemberUpdate(networkId,memberId); + } + } else if (memberId) { + if (nw) { + std::lock_guard<std::mutex> l(nw->lock); + nw->members.erase(memberId); + } + if (networkId) { + std::lock_guard<std::mutex> l(_networks_l); + auto er = _networkByMember.equal_range(memberId); + for(auto i=er.first;i!=er.second;++i) { + if (i->second == networkId) { + _networkByMember.erase(i); + break; + } + } + } + } + */ + + if ((push)&&((wasAuth)&&(!isAuth)&&(networkId)&&(memberId))) + _controller->onNetworkMemberDeauthorize(networkId,memberId); +} + +void DB::_networkChanged(nlohmann::json &old,nlohmann::json &networkConfig,bool push) +{ + if (networkConfig.is_object()) { + const std::string ids = networkConfig["id"]; + const uint64_t id = Utils::hexStrToU64(ids.c_str()); + if (id) { + std::shared_ptr<_Network> nw; + { + std::lock_guard<std::mutex> l(_networks_l); + std::shared_ptr<_Network> &nw2 = _networks[id]; + if (!nw2) + nw2.reset(new _Network); + nw = nw2; + } + { + std::lock_guard<std::mutex> l2(nw->lock); + nw->config = networkConfig; + } + if (push) + _controller->onNetworkUpdate(id); + } + } else if (old.is_object()) { + const std::string ids = old["id"]; + const uint64_t id = Utils::hexStrToU64(ids.c_str()); + if (id) { + std::lock_guard<std::mutex> l(_networks_l); + _networks.erase(id); + } + } + + /* + if (network.is_object()) { + json &config = network["config"]; + if (networkConfig.is_object()) { + const std::string ids = config["id"]; + const uint64_t id = Utils::hexStrToU64(ids.c_str()); + if (id) { + std::shared_ptr<_Network> nw; + { + std::lock_guard<std::mutex> l(_networks_l); + std::shared_ptr<_Network> &nw2 = _networks[id]; + if (!nw2) + nw2.reset(new _Network); + nw = nw2; + } + { + std::lock_guard<std::mutex> l2(nw->lock); + nw->config = config; + } + if (push) + _controller->onNetworkUpdate(id); + } + } + } else if (old.is_object()) { + const std::string ids = old["id"]; + const uint64_t id = Utils::hexStrToU64(ids.c_str()); + if (id) { + std::lock_guard<std::mutex> l(_networks_l); + _networks.erase(id); + } + } + */ +} + +void DB::_fillSummaryInfo(const std::shared_ptr<_Network> &nw,NetworkSummaryInfo &info) +{ + for(auto ab=nw->activeBridgeMembers.begin();ab!=nw->activeBridgeMembers.end();++ab) + info.activeBridges.push_back(Address(*ab)); + std::sort(info.activeBridges.begin(),info.activeBridges.end()); + for(auto ip=nw->allocatedIps.begin();ip!=nw->allocatedIps.end();++ip) + info.allocatedIps.push_back(*ip); + std::sort(info.allocatedIps.begin(),info.allocatedIps.end()); + info.authorizedMemberCount = (unsigned long)nw->authorizedMembers.size(); + info.totalMemberCount = (unsigned long)nw->members.size(); + info.mostRecentDeauthTime = nw->mostRecentDeauthTime; +} + +} // namespace ZeroTier |