mirror of
https://github.com/zerotier/ZeroTierOne.git
synced 2025-04-28 09:53:44 +02:00
505 lines
No EOL
15 KiB
C++
505 lines
No EOL
15 KiB
C++
/*
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* Copyright (c)2025 ZeroTier, Inc.
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*
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* Use of this software is governed by the Business Source License included
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* in the LICENSE.TXT file in the project's root directory.
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*
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* Change Date: 2026-01-01
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*
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* On the date above, in accordance with the Business Source License, use
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* of this software will be governed by version 2.0 of the Apache License.
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*/
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/****/
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#include "CV2.hpp"
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#ifdef ZT_CONTROLLER_USE_LIBPQ
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#include "../node/Constants.hpp"
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#include "../node/SHA512.hpp"
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#include "EmbeddedNetworkController.hpp"
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#include "../version.h"
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#include "CtlUtil.hpp"
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#include <libpq-fe.h>
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#include <sstream>
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#include <iomanip>
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#include <climits>
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#include <chrono>
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using json = nlohmann::json;
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namespace {
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}
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using namespace ZeroTier;
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CV2::CV2(const Identity &myId, const char *path, int listenPort)
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: DB()
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, _pool()
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, _myId(myId)
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, _myAddress(myId.address())
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, _ready(0)
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, _connected(1)
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, _run(1)
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, _waitNoticePrinted(false)
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, _listenPort(listenPort)
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{
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char myAddress[64];
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_myAddressStr = myId.address().toString(myAddress);
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_connString = std::string(path);
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auto f = std::make_shared<PostgresConnFactory>(_connString);
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_pool = std::make_shared<ConnectionPool<PostgresConnection> >(
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15, 5, std::static_pointer_cast<ConnectionFactory>(f));
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memset(_ssoPsk, 0, sizeof(_ssoPsk));
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char *const ssoPskHex = getenv("ZT_SSO_PSK");
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#ifdef ZT_TRACE
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fprintf(stderr, "ZT_SSO_PSK: %s\n", ssoPskHex);
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#endif
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if (ssoPskHex) {
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// SECURITY: note that ssoPskHex will always be null-terminated if libc actually
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// returns something non-NULL. If the hex encodes something shorter than 48 bytes,
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// it will be padded at the end with zeroes. If longer, it'll be truncated.
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Utils::unhex(ssoPskHex, _ssoPsk, sizeof(_ssoPsk));
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}
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auto c = _pool->borrow();
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pqxx::work txn{*c->c};
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pqxx::row r{txn.exec1("SELECT version FROM ztc_database")};
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int dbVersion = r[0].as<int>();
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txn.commit();
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// if (dbVersion < DB_MINIMUM_VERSION) {
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// fprintf(stderr, "Central database schema version too low. This controller version requires a minimum schema version of %d. Please upgrade your Central instance", DB_MINIMUM_VERSION);
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// exit(1);
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// }
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_pool->unborrow(c);
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_readyLock.lock();
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fprintf(stderr, "[%s] NOTICE: %.10llx controller PostgreSQL waiting for initial data download..." ZT_EOL_S, ::_timestr(), (unsigned long long)_myAddress.toInt());
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_waitNoticePrinted = true;
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initializeNetworks();
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initializeMembers();
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_heartbeatThread = std::thread(&CV2::heartbeat, this);
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_membersDbWatcher = std::thread(&CV2::membersDbWatcher, this);
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_networksDbWatcher = std::thread(&CV2::networksDbWatcher, this);
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for (int i = 0; i < ZT_CENTRAL_CONTROLLER_COMMIT_THREADS; ++i) {
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_commitThread[i] = std::thread(&CV2::commitThread, this);
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}
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_onlineNotificationThread = std::thread(&CV2::onlineNotificationThread, this);
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}
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CV2::~CV2()
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{
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_run = 0;
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std::this_thread::sleep_for(std::chrono::milliseconds(100));
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_heartbeatThread.join();
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_membersDbWatcher.join();
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_networksDbWatcher.join();
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_commitQueue.stop();
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for (int i = 0; i < ZT_CENTRAL_CONTROLLER_COMMIT_THREADS; ++i) {
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_commitThread[i].join();
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}
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_onlineNotificationThread.join();
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}
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bool CV2::waitForReady()
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{
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while (_ready < 2) {
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_readyLock.lock();
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_readyLock.unlock();
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}
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return true;
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}
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bool CV2::isReady()
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{
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return (_ready == 2) && _cldemote;
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}
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bool CV2::save(nlohmann::json &record,bool notifyListeners)
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{
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bool modified = false;
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try {
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if (!record.is_object()) {
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fprintf(stderr, "record is not an object?!?\n");
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return false;
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}
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const std::string objtype = record["objtype"];
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if (objtype == "network") {
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//fprintf(stderr, "network save\n");
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const uint64_t nwid = OSUtils::jsonIntHex(record["id"],0ULL);
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if (nwid) {
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nlohmann::json old;
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get(nwid,old);
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if ((!old.is_object())||(!_compareRecords(old,record))) {
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record["revision"] = OSUtils::jsonInt(record["revision"],0ULL) + 1ULL;
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_commitQueue.post(std::pair<nlohmann::json,bool>(record,notifyListeners));
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modified = true;
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}
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}
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} else if (objtype == "member") {
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std::string networkId = record["nwid"];
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std::string memberId = record["id"];
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const uint64_t nwid = OSUtils::jsonIntHex(record["nwid"],0ULL);
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const uint64_t id = OSUtils::jsonIntHex(record["id"],0ULL);
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//fprintf(stderr, "member save %s-%s\n", networkId.c_str(), memberId.c_str());
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if ((id)&&(nwid)) {
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nlohmann::json network,old;
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get(nwid,network,id,old);
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if ((!old.is_object())||(!_compareRecords(old,record))) {
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//fprintf(stderr, "commit queue post\n");
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record["revision"] = OSUtils::jsonInt(record["revision"],0ULL) + 1ULL;
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_commitQueue.post(std::pair<nlohmann::json,bool>(record,notifyListeners));
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modified = true;
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} else {
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//fprintf(stderr, "no change\n");
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}
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}
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} else {
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fprintf(stderr, "uhh waaat\n");
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}
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} catch (std::exception &e) {
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fprintf(stderr, "Error on PostgreSQL::save: %s\n", e.what());
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} catch (...) {
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fprintf(stderr, "Unknown error on PostgreSQL::save\n");
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}
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return modified;
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}
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void CV2::eraseNetwork(const uint64_t networkId)
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{
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fprintf(stderr, "PostgreSQL::eraseNetwork\n");
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char tmp2[24];
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waitForReady();
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Utils::hex(networkId, tmp2);
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std::pair<nlohmann::json,bool> tmp;
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tmp.first["id"] = tmp2;
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tmp.first["objtype"] = "_delete_network";
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tmp.second = true;
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_commitQueue.post(tmp);
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nlohmann::json nullJson;
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_networkChanged(tmp.first, nullJson, true);
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}
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void CV2::eraseMember(const uint64_t networkId, const uint64_t memberId)
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{
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fprintf(stderr, "PostgreSQL::eraseMember\n");
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char tmp2[24];
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waitForReady();
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std::pair<nlohmann::json,bool> tmp, nw;
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Utils::hex(networkId, tmp2);
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tmp.first["nwid"] = tmp2;
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Utils::hex(memberId, tmp2);
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tmp.first["id"] = tmp2;
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tmp.first["objtype"] = "_delete_member";
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tmp.second = true;
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_commitQueue.post(tmp);
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nlohmann::json nullJson;
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_memberChanged(tmp.first, nullJson, true);
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}
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void CV2::nodeIsOnline(const uint64_t networkId, const uint64_t memberId, const InetAddress &physicalAddress)
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{
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std::lock_guard<std::mutex> l(_lastOnline_l);
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std::pair<int64_t, InetAddress> &i = _lastOnline[std::pair<uint64_t,uint64_t>(networkId, memberId)];
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i.first = OSUtils::now();
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if (physicalAddress) {
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i.second = physicalAddress;
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}
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}
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AuthInfo CV2::getSSOAuthInfo(const nlohmann::json &member, const std::string &redirectURL)
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{
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// TODO: Redo this for CV2
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Metrics::db_get_sso_info++;
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// NONCE is just a random character string. no semantic meaning
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// state = HMAC SHA384 of Nonce based on shared sso key
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//
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// need nonce timeout in database? make sure it's used within X time
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// X is 5 minutes for now. Make configurable later?
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//
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// how do we tell when a nonce is used? if auth_expiration_time is set
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std::string networkId = member["nwid"];
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std::string memberId = member["id"];
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char authenticationURL[4096] = {0};
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AuthInfo info;
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info.enabled = true;
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//if (memberId == "a10dccea52" && networkId == "8056c2e21c24673d") {
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// fprintf(stderr, "invalid authinfo for grant's machine\n");
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// info.version=1;
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// return info;
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//}
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// fprintf(stderr, "PostgreSQL::updateMemberOnLoad: %s-%s\n", networkId.c_str(), memberId.c_str());
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std::shared_ptr<PostgresConnection> c;
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try {
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// c = _pool->borrow();
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// pqxx::work w(*c->c);
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// char nonceBytes[16] = {0};
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// std::string nonce = "";
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// // check if the member exists first.
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// pqxx::row count = w.exec_params1("SELECT count(id) FROM ztc_member WHERE id = $1 AND network_id = $2 AND deleted = false", memberId, networkId);
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// if (count[0].as<int>() == 1) {
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// // get active nonce, if exists.
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// pqxx::result r = w.exec_params("SELECT nonce FROM ztc_sso_expiry "
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// "WHERE network_id = $1 AND member_id = $2 "
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// "AND ((NOW() AT TIME ZONE 'UTC') <= authentication_expiry_time) AND ((NOW() AT TIME ZONE 'UTC') <= nonce_expiration)",
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// networkId, memberId);
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// if (r.size() == 0) {
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// // no active nonce.
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// // find an unused nonce, if one exists.
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// pqxx::result r = w.exec_params("SELECT nonce FROM ztc_sso_expiry "
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// "WHERE network_id = $1 AND member_id = $2 "
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// "AND authentication_expiry_time IS NULL AND ((NOW() AT TIME ZONE 'UTC') <= nonce_expiration)",
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// networkId, memberId);
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// if (r.size() == 1) {
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// // we have an existing nonce. Use it
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// nonce = r.at(0)[0].as<std::string>();
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// Utils::unhex(nonce.c_str(), nonceBytes, sizeof(nonceBytes));
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// } else if (r.empty()) {
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// // create a nonce
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// Utils::getSecureRandom(nonceBytes, 16);
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// char nonceBuf[64] = {0};
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// Utils::hex(nonceBytes, sizeof(nonceBytes), nonceBuf);
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// nonce = std::string(nonceBuf);
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// pqxx::result ir = w.exec_params0("INSERT INTO ztc_sso_expiry "
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// "(nonce, nonce_expiration, network_id, member_id) VALUES "
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// "($1, TO_TIMESTAMP($2::double precision/1000), $3, $4)",
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// nonce, OSUtils::now() + 300000, networkId, memberId);
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// w.commit();
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// } else {
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// // > 1 ?!? Thats an error!
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// fprintf(stderr, "> 1 unused nonce!\n");
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// exit(6);
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// }
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// } else if (r.size() == 1) {
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// nonce = r.at(0)[0].as<std::string>();
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// Utils::unhex(nonce.c_str(), nonceBytes, sizeof(nonceBytes));
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// } else {
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// // more than 1 nonce in use? Uhhh...
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// fprintf(stderr, "> 1 nonce in use for network member?!?\n");
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// exit(7);
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// }
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// r = w.exec_params(
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// "SELECT oc.client_id, oc.authorization_endpoint, oc.issuer, oc.provider, oc.sso_impl_version "
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// "FROM ztc_network AS n "
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// "INNER JOIN ztc_org o "
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// " ON o.owner_id = n.owner_id "
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// "LEFT OUTER JOIN ztc_network_oidc_config noc "
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// " ON noc.network_id = n.id "
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// "LEFT OUTER JOIN ztc_oidc_config oc "
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// " ON noc.client_id = oc.client_id AND oc.org_id = o.org_id "
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// "WHERE n.id = $1 AND n.sso_enabled = true", networkId);
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// std::string client_id = "";
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// std::string authorization_endpoint = "";
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// std::string issuer = "";
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// std::string provider = "";
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// uint64_t sso_version = 0;
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// if (r.size() == 1) {
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// client_id = r.at(0)[0].as<std::optional<std::string>>().value_or("");
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// authorization_endpoint = r.at(0)[1].as<std::optional<std::string>>().value_or("");
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// issuer = r.at(0)[2].as<std::optional<std::string>>().value_or("");
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// provider = r.at(0)[3].as<std::optional<std::string>>().value_or("");
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// sso_version = r.at(0)[4].as<std::optional<uint64_t>>().value_or(1);
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// } else if (r.size() > 1) {
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// fprintf(stderr, "ERROR: More than one auth endpoint for an organization?!?!? NetworkID: %s\n", networkId.c_str());
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// } else {
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// fprintf(stderr, "No client or auth endpoint?!?\n");
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// }
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// info.version = sso_version;
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// // no catch all else because we don't actually care if no records exist here. just continue as normal.
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// if ((!client_id.empty())&&(!authorization_endpoint.empty())) {
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// uint8_t state[48];
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// HMACSHA384(_ssoPsk, nonceBytes, sizeof(nonceBytes), state);
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// char state_hex[256];
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// Utils::hex(state, 48, state_hex);
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// if (info.version == 0) {
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// char url[2048] = {0};
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// OSUtils::ztsnprintf(url, sizeof(authenticationURL),
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// "%s?response_type=id_token&response_mode=form_post&scope=openid+email+profile&redirect_uri=%s&nonce=%s&state=%s&client_id=%s",
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// authorization_endpoint.c_str(),
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// url_encode(redirectURL).c_str(),
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// nonce.c_str(),
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// state_hex,
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// client_id.c_str());
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// info.authenticationURL = std::string(url);
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// } else if (info.version == 1) {
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// info.ssoClientID = client_id;
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// info.issuerURL = issuer;
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// info.ssoProvider = provider;
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// info.ssoNonce = nonce;
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// info.ssoState = std::string(state_hex) + "_" +networkId;
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// info.centralAuthURL = redirectURL;
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// #ifdef ZT_DEBUG
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// fprintf(
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// stderr,
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// "ssoClientID: %s\nissuerURL: %s\nssoNonce: %s\nssoState: %s\ncentralAuthURL: %s\nprovider: %s\n",
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// info.ssoClientID.c_str(),
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// info.issuerURL.c_str(),
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// info.ssoNonce.c_str(),
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// info.ssoState.c_str(),
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// info.centralAuthURL.c_str(),
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// provider.c_str());
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// #endif
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// }
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// } else {
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// fprintf(stderr, "client_id: %s\nauthorization_endpoint: %s\n", client_id.c_str(), authorization_endpoint.c_str());
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// }
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// }
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// _pool->unborrow(c);
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} catch (std::exception &e) {
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fprintf(stderr, "ERROR: Error updating member on load for network %s: %s\n", networkId.c_str(), e.what());
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}
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return info; //std::string(authenticationURL);
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}
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void CV2::initializeNetworks()
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{
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try {
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// TODO: Update for CV2
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if (++this->_ready == 2) {
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if (_waitNoticePrinted) {
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fprintf(stderr,"[%s] NOTICE: %.10llx controller PostgreSQL data download complete." ZT_EOL_S,_timestr(),(unsigned long long)_myAddress.toInt());
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}
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_readyLock.unlock();
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}
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fprintf(stderr, "network init done\n");
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} catch (std::exception &e) {
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fprintf(stderr, "ERROR: Error initializing networks: %s\n", e.what());
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std::this_thread::sleep_for(std::chrono::milliseconds(5000));
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exit(-1);
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}
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}
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void CV2::initializeMembers()
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{
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std::string memberId;
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std::string networkId;
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try {
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// TODO: Update for CV2
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if (++this->_ready == 2) {
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if (_waitNoticePrinted) {
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fprintf(stderr,"[%s] NOTICE: %.10llx controller PostgreSQL data download complete." ZT_EOL_S,_timestr(),(unsigned long long)_myAddress.toInt());
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}
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_readyLock.unlock();
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}
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fprintf(stderr, "member init done\n");
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} catch (std::exception &e) {
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fprintf(stderr, "ERROR: Error initializing member: %s-%s %s\n", networkId.c_str(), memberId.c_str(), e.what());
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exit(-1);
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}
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}
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void CV2::heartbeat()
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{
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char publicId[1024];
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char hostnameTmp[1024];
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_myId.toString(false,publicId);
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if (gethostname(hostnameTmp, sizeof(hostnameTmp))!= 0) {
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hostnameTmp[0] = (char)0;
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} else {
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for (int i = 0; i < (int)sizeof(hostnameTmp); ++i) {
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if ((hostnameTmp[i] == '.')||(hostnameTmp[i] == 0)) {
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hostnameTmp[i] = (char)0;
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break;
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}
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}
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}
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const char *controllerId = _myAddressStr.c_str();
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const char *publicIdentity = publicId;
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const char *hostname = hostnameTmp;
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// TODO: Update for CV2
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while (_run == 1) {
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std::this_thread::sleep_for(std::chrono::seconds(5));
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}
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fprintf(stderr, "Exited heartbeat thread\n");
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}
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void CV2::membersDbWatcher() {
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auto c = _pool->borrow();
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std::string stream = "member_" + _myAddressStr;
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fprintf(stderr, "Listening to member stream: %s\n", stream.c_str());
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MemberNotificationReceiver m(this, *c->c, stream);
|
|
|
|
while(_run == 1) {
|
|
c->c->await_notification(5, 0);
|
|
}
|
|
|
|
_pool->unborrow(c);
|
|
|
|
fprintf(stderr, "Exited membersDbWatcher\n");
|
|
}
|
|
|
|
void CV2::networksDbWatcher()
|
|
{
|
|
std::string stream = "network_" + _myAddressStr;
|
|
|
|
fprintf(stderr, "Listening to member stream: %s\n", stream.c_str());
|
|
|
|
auto c = _pool->borrow();
|
|
|
|
NetworkNotificationReceiver n(this, *c->c, stream);
|
|
|
|
while(_run == 1) {
|
|
c->c->await_notification(5,0);
|
|
}
|
|
|
|
_pool->unborrow(c);
|
|
fprintf(stderr, "Exited networksDbWatcher\n");
|
|
}
|
|
|
|
void CV2::commitThread()
|
|
{
|
|
// TODO: Update for CV2
|
|
}
|
|
|
|
void CV2::onlineNotificationThread() {
|
|
waitForReady();
|
|
|
|
_connected = 1;
|
|
|
|
nlohmann::json jtmp1, jtmp2;
|
|
while (_run == 1) {
|
|
// TODO: Update for CV2
|
|
}
|
|
|
|
fprintf(stderr, "%s: Fell out of run loop in onlineNotificationThread\n", _myAddressStr.c_str());
|
|
if (_run == 1) {
|
|
fprintf(stderr, "ERROR: %s onlineNotificationThread should still be running! Exiting Controller.\n", _myAddressStr.c_str());
|
|
exit(6);
|
|
}
|
|
}
|
|
#endif // ZT_CONTROLLER_USE_LIBPQ
|