mirror of
https://github.com/oxen-io/lokinet.git
synced 2024-11-03 23:15:52 +00:00
25e338d621
* add srv records in RCs if we have any * add mechanism to add SRV records for plainquic exposed ports * resign and republish rc or introset on srv record changes
554 lines
12 KiB
C++
554 lines
12 KiB
C++
#pragma once
|
|
|
|
#include "abstractrouter.hpp"
|
|
|
|
#include <llarp/bootstrap.hpp>
|
|
#include <llarp/config/config.hpp>
|
|
#include <llarp/config/key_manager.hpp>
|
|
#include <llarp/constants/link_layer.hpp>
|
|
#include <llarp/crypto/types.hpp>
|
|
#include <llarp/ev/ev.hpp>
|
|
#include <llarp/exit/context.hpp>
|
|
#include <llarp/handlers/tun.hpp>
|
|
#include <llarp/link/link_manager.hpp>
|
|
#include <llarp/link/server.hpp>
|
|
#include <llarp/messages/link_message_parser.hpp>
|
|
#include <llarp/nodedb.hpp>
|
|
#include <llarp/path/path_context.hpp>
|
|
#include <llarp/peerstats/peer_db.hpp>
|
|
#include <llarp/profiling.hpp>
|
|
#include <llarp/router_contact.hpp>
|
|
#include "outbound_message_handler.hpp"
|
|
#include "outbound_session_maker.hpp"
|
|
#include "rc_gossiper.hpp"
|
|
#include "rc_lookup_handler.hpp"
|
|
#include "route_poker.hpp"
|
|
#include <llarp/routing/handler.hpp>
|
|
#include <llarp/routing/message_parser.hpp>
|
|
#include <llarp/rpc/lokid_rpc_client.hpp>
|
|
#include <llarp/rpc/rpc_server.hpp>
|
|
#include <llarp/service/context.hpp>
|
|
#include <stdexcept>
|
|
#include <llarp/util/buffer.hpp>
|
|
#include <llarp/util/fs.hpp>
|
|
#include <llarp/util/mem.hpp>
|
|
#include <llarp/util/status.hpp>
|
|
#include <llarp/util/str.hpp>
|
|
#include <llarp/util/time.hpp>
|
|
|
|
#include <functional>
|
|
#include <list>
|
|
#include <map>
|
|
#include <memory>
|
|
#include <set>
|
|
#include <unordered_map>
|
|
#include <vector>
|
|
|
|
#include <oxenmq/address.h>
|
|
|
|
namespace llarp
|
|
{
|
|
struct Router : public AbstractRouter
|
|
{
|
|
llarp_time_t _lastPump = 0s;
|
|
bool ready;
|
|
// transient iwp encryption key
|
|
fs::path transport_keyfile;
|
|
|
|
// long term identity key
|
|
fs::path ident_keyfile;
|
|
|
|
fs::path encryption_keyfile;
|
|
|
|
// path to write our self signed rc to
|
|
fs::path our_rc_file;
|
|
|
|
// use file based logging?
|
|
bool m_UseFileLogging = false;
|
|
|
|
// our router contact
|
|
RouterContact _rc;
|
|
|
|
/// should we obey the service node whitelist?
|
|
bool whitelistRouters = false;
|
|
|
|
LMQ_ptr m_lmq;
|
|
|
|
const LMQ_ptr&
|
|
lmq() const override
|
|
{
|
|
return m_lmq;
|
|
}
|
|
|
|
const std::shared_ptr<rpc::LokidRpcClient>&
|
|
RpcClient() const override
|
|
{
|
|
return m_lokidRpcClient;
|
|
}
|
|
|
|
llarp_dht_context*
|
|
dht() const override
|
|
{
|
|
return _dht;
|
|
}
|
|
|
|
util::StatusObject
|
|
ExtractStatus() const override;
|
|
|
|
const std::shared_ptr<NodeDB>&
|
|
nodedb() const override
|
|
{
|
|
return _nodedb;
|
|
}
|
|
|
|
const path::PathContext&
|
|
pathContext() const override
|
|
{
|
|
return paths;
|
|
}
|
|
|
|
path::PathContext&
|
|
pathContext() override
|
|
{
|
|
return paths;
|
|
}
|
|
|
|
const RouterContact&
|
|
rc() const override
|
|
{
|
|
return _rc;
|
|
}
|
|
|
|
void
|
|
ModifyOurRC(std::function<std::optional<RouterContact>(RouterContact)> modify) override;
|
|
|
|
void
|
|
SetRouterWhitelist(const std::vector<RouterID> routers) override;
|
|
|
|
exit::Context&
|
|
exitContext() override
|
|
{
|
|
return _exitContext;
|
|
}
|
|
|
|
const std::shared_ptr<KeyManager>&
|
|
keyManager() const override
|
|
{
|
|
return m_keyManager;
|
|
}
|
|
|
|
const SecretKey&
|
|
identity() const override
|
|
{
|
|
return _identity;
|
|
}
|
|
|
|
const SecretKey&
|
|
encryption() const override
|
|
{
|
|
return _encryption;
|
|
}
|
|
|
|
Profiling&
|
|
routerProfiling() override
|
|
{
|
|
return _routerProfiling;
|
|
}
|
|
|
|
const EventLoop_ptr&
|
|
loop() const override
|
|
{
|
|
return _loop;
|
|
}
|
|
|
|
vpn::Platform*
|
|
GetVPNPlatform() const override
|
|
{
|
|
return _vpnPlatform.get();
|
|
}
|
|
|
|
void
|
|
QueueWork(std::function<void(void)> func) override;
|
|
|
|
void
|
|
QueueDiskIO(std::function<void(void)> func) override;
|
|
|
|
std::optional<SockAddr> _ourAddress;
|
|
|
|
EventLoop_ptr _loop;
|
|
std::shared_ptr<vpn::Platform> _vpnPlatform;
|
|
path::PathContext paths;
|
|
exit::Context _exitContext;
|
|
SecretKey _identity;
|
|
SecretKey _encryption;
|
|
llarp_dht_context* _dht = nullptr;
|
|
std::shared_ptr<NodeDB> _nodedb;
|
|
llarp_time_t _startedAt;
|
|
const oxenmq::TaggedThreadID m_DiskThread;
|
|
|
|
llarp_time_t
|
|
Uptime() const override;
|
|
|
|
bool
|
|
Sign(Signature& sig, const llarp_buffer_t& buf) const override;
|
|
|
|
uint16_t m_OutboundPort = 0;
|
|
/// how often do we resign our RC? milliseconds.
|
|
// TODO: make configurable
|
|
llarp_time_t rcRegenInterval = 1h;
|
|
|
|
// should we be sending padded messages every interval?
|
|
bool sendPadding = false;
|
|
|
|
LinkMessageParser inbound_link_msg_parser;
|
|
routing::InboundMessageParser inbound_routing_msg_parser;
|
|
|
|
service::Context _hiddenServiceContext;
|
|
|
|
service::Context&
|
|
hiddenServiceContext() override
|
|
{
|
|
return _hiddenServiceContext;
|
|
}
|
|
|
|
const service::Context&
|
|
hiddenServiceContext() const override
|
|
{
|
|
return _hiddenServiceContext;
|
|
}
|
|
|
|
llarp_time_t _lastTick = 0s;
|
|
|
|
std::function<void(void)> _onDown;
|
|
|
|
void
|
|
SetDownHook(std::function<void(void)> hook) override
|
|
{
|
|
_onDown = hook;
|
|
}
|
|
|
|
bool
|
|
LooksAlive() const override
|
|
{
|
|
const llarp_time_t now = Now();
|
|
return now <= _lastTick || (now - _lastTick) <= llarp_time_t{30000};
|
|
}
|
|
|
|
/// bootstrap RCs
|
|
BootstrapList bootstrapRCList;
|
|
|
|
bool
|
|
ExitEnabled() const
|
|
{
|
|
return false; // FIXME - have to fix the FIXME because FIXME
|
|
throw std::runtime_error("FIXME: this needs to be derived from config");
|
|
/*
|
|
// TODO: use equal_range ?
|
|
auto itr = netConfig.find("exit");
|
|
if (itr == netConfig.end())
|
|
return false;
|
|
return IsTrueValue(itr->second.c_str());
|
|
*/
|
|
}
|
|
|
|
RoutePoker&
|
|
routePoker() override
|
|
{
|
|
return m_RoutePoker;
|
|
}
|
|
|
|
RoutePoker m_RoutePoker;
|
|
|
|
void
|
|
PumpLL() override;
|
|
|
|
const oxenmq::address DefaultRPCBindAddr = oxenmq::address::tcp("127.0.0.1", 1190);
|
|
bool enableRPCServer = false;
|
|
oxenmq::address rpcBindAddr = DefaultRPCBindAddr;
|
|
std::unique_ptr<rpc::RpcServer> m_RPCServer;
|
|
|
|
const llarp_time_t _randomStartDelay;
|
|
|
|
std::shared_ptr<rpc::LokidRpcClient> m_lokidRpcClient;
|
|
|
|
oxenmq::address lokidRPCAddr;
|
|
Profiling _routerProfiling;
|
|
fs::path _profilesFile;
|
|
OutboundMessageHandler _outboundMessageHandler;
|
|
OutboundSessionMaker _outboundSessionMaker;
|
|
LinkManager _linkManager;
|
|
RCLookupHandler _rcLookupHandler;
|
|
RCGossiper _rcGossiper;
|
|
|
|
using Clock_t = std::chrono::steady_clock;
|
|
using TimePoint_t = Clock_t::time_point;
|
|
|
|
TimePoint_t m_NextExploreAt;
|
|
|
|
IOutboundMessageHandler&
|
|
outboundMessageHandler() override
|
|
{
|
|
return _outboundMessageHandler;
|
|
}
|
|
|
|
IOutboundSessionMaker&
|
|
outboundSessionMaker() override
|
|
{
|
|
return _outboundSessionMaker;
|
|
}
|
|
|
|
ILinkManager&
|
|
linkManager() override
|
|
{
|
|
return _linkManager;
|
|
}
|
|
|
|
I_RCLookupHandler&
|
|
rcLookupHandler() override
|
|
{
|
|
return _rcLookupHandler;
|
|
}
|
|
|
|
std::shared_ptr<PeerDb>
|
|
peerDb() override
|
|
{
|
|
return m_peerDb;
|
|
}
|
|
|
|
void
|
|
GossipRCIfNeeded(const RouterContact rc) override;
|
|
|
|
explicit Router(EventLoop_ptr loop, std::shared_ptr<vpn::Platform> vpnPlatform);
|
|
|
|
~Router() override;
|
|
|
|
bool
|
|
HandleRecvLinkMessageBuffer(ILinkSession* from, const llarp_buffer_t& msg) override;
|
|
|
|
bool
|
|
InitOutboundLinks();
|
|
|
|
bool
|
|
GetRandomGoodRouter(RouterID& r) override;
|
|
|
|
/// initialize us as a service node
|
|
/// return true on success
|
|
bool
|
|
InitServiceNode();
|
|
|
|
bool
|
|
IsRunning() const override;
|
|
|
|
/// return true if we are running in service node mode
|
|
bool
|
|
IsServiceNode() const override;
|
|
|
|
void
|
|
Close();
|
|
|
|
bool
|
|
Configure(std::shared_ptr<Config> conf, bool isSNode, std::shared_ptr<NodeDB> nodedb) override;
|
|
|
|
bool
|
|
StartRpcServer() override;
|
|
|
|
void
|
|
Thaw() override;
|
|
|
|
bool
|
|
Run() override;
|
|
|
|
/// stop running the router logic gracefully
|
|
void
|
|
Stop() override;
|
|
|
|
/// non graceful stop router
|
|
void
|
|
Die() override;
|
|
|
|
/// close all sessions and shutdown all links
|
|
void
|
|
StopLinks();
|
|
|
|
void
|
|
PersistSessionUntil(const RouterID& remote, llarp_time_t until) override;
|
|
|
|
bool
|
|
EnsureIdentity();
|
|
|
|
bool
|
|
EnsureEncryptionKey();
|
|
|
|
bool
|
|
ConnectionToRouterAllowed(const RouterID& router) const override;
|
|
|
|
void
|
|
HandleSaveRC() const;
|
|
|
|
bool
|
|
SaveRC();
|
|
|
|
/// return true if we are a client with an exit configured
|
|
bool
|
|
HasClientExit() const;
|
|
|
|
const byte_t*
|
|
pubkey() const override
|
|
{
|
|
return seckey_topublic(_identity);
|
|
}
|
|
|
|
void
|
|
try_connect(fs::path rcfile);
|
|
|
|
bool
|
|
TryConnectAsync(RouterContact rc, uint16_t tries) override;
|
|
|
|
/// send to remote router or queue for sending
|
|
/// returns false on overflow
|
|
/// returns true on successful queue
|
|
/// NOT threadsafe
|
|
/// MUST be called in the logic thread
|
|
bool
|
|
SendToOrQueue(
|
|
const RouterID& remote, const ILinkMessage* msg, SendStatusHandler handler) override;
|
|
|
|
void
|
|
ForEachPeer(std::function<void(const ILinkSession*, bool)> visit, bool randomize = false)
|
|
const override;
|
|
|
|
void
|
|
ForEachPeer(std::function<void(ILinkSession*)> visit);
|
|
|
|
bool IsBootstrapNode(RouterID) const override;
|
|
|
|
/// check if newRc matches oldRC and update local rc for this remote contact
|
|
/// if valid
|
|
/// returns true on valid and updated
|
|
/// returns false otherwise
|
|
bool
|
|
CheckRenegotiateValid(RouterContact newRc, RouterContact oldRC) override;
|
|
|
|
/// called by link when a remote session has no more sessions open
|
|
void
|
|
SessionClosed(RouterID remote) override;
|
|
|
|
/// called by link when an unestablished connection times out
|
|
void
|
|
ConnectionTimedOut(ILinkSession* session);
|
|
|
|
/// called by link when session is fully established
|
|
bool
|
|
ConnectionEstablished(ILinkSession* session, bool inbound);
|
|
|
|
/// call internal router ticker
|
|
void
|
|
Tick();
|
|
|
|
llarp_time_t
|
|
Now() const override
|
|
{
|
|
return llarp::time_now_ms();
|
|
}
|
|
|
|
/// parse a routing message in a buffer and handle it with a handler if
|
|
/// successful parsing return true on parse and handle success otherwise
|
|
/// return false
|
|
bool
|
|
ParseRoutingMessageBuffer(
|
|
const llarp_buffer_t& buf, routing::IMessageHandler* h, const PathID_t& rxid) override;
|
|
|
|
void
|
|
ConnectToRandomRouters(int N) override;
|
|
|
|
/// count the number of unique service nodes connected via pubkey
|
|
size_t
|
|
NumberOfConnectedRouters() const override;
|
|
|
|
/// count the number of unique clients connected by pubkey
|
|
size_t
|
|
NumberOfConnectedClients() const override;
|
|
|
|
bool
|
|
GetRandomConnectedRouter(RouterContact& result) const override;
|
|
|
|
void
|
|
HandleDHTLookupForExplore(RouterID remote, const std::vector<RouterContact>& results) override;
|
|
|
|
void
|
|
LookupRouter(RouterID remote, RouterLookupHandler resultHandler) override;
|
|
|
|
bool
|
|
HasSessionTo(const RouterID& remote) const override;
|
|
|
|
std::string
|
|
ShortName() const override;
|
|
|
|
uint32_t
|
|
NextPathBuildNumber() override;
|
|
|
|
void
|
|
AfterStopLinks();
|
|
|
|
void
|
|
AfterStopIssued();
|
|
|
|
std::shared_ptr<Config> m_Config;
|
|
|
|
std::shared_ptr<Config>
|
|
GetConfig() const override
|
|
{
|
|
return m_Config;
|
|
}
|
|
|
|
#if defined(ANDROID)
|
|
int m_OutboundUDPSocket = -1;
|
|
|
|
int
|
|
GetOutboundUDPSocket() const override
|
|
{
|
|
return m_OutboundUDPSocket;
|
|
}
|
|
#endif
|
|
|
|
private:
|
|
std::atomic<bool> _stopping;
|
|
std::atomic<bool> _running;
|
|
|
|
bool m_isServiceNode = false;
|
|
|
|
llarp_time_t m_LastStatsReport = 0s;
|
|
|
|
std::shared_ptr<llarp::KeyManager> m_keyManager;
|
|
std::shared_ptr<PeerDb> m_peerDb;
|
|
|
|
uint32_t path_build_count = 0;
|
|
|
|
bool
|
|
ShouldReportStats(llarp_time_t now) const;
|
|
|
|
void
|
|
ReportStats();
|
|
|
|
bool
|
|
UpdateOurRC(bool rotateKeys = false);
|
|
|
|
bool
|
|
FromConfig(const Config& conf);
|
|
|
|
void
|
|
MessageSent(const RouterID& remote, SendStatus status);
|
|
|
|
protected:
|
|
virtual void
|
|
HandleRouterEvent(tooling::RouterEventPtr event) const override;
|
|
|
|
virtual bool
|
|
disableGossipingRC_TestingOnly()
|
|
{
|
|
return false;
|
|
};
|
|
};
|
|
|
|
} // namespace llarp
|