mirror of https://github.com/oxen-io/lokinet
You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
82 lines
2.0 KiB
C++
82 lines
2.0 KiB
C++
#ifndef LLARP_IWP_LINKLAYER_HPP
|
|
#define LLARP_IWP_LINKLAYER_HPP
|
|
|
|
#include <constants/link_layer.hpp>
|
|
#include <crypto/crypto.hpp>
|
|
#include <crypto/encrypted.hpp>
|
|
#include <crypto/types.hpp>
|
|
#include <link/server.hpp>
|
|
#include <iwp/outermessage.hpp>
|
|
|
|
namespace llarp
|
|
{
|
|
namespace iwp
|
|
{
|
|
struct LinkLayer final : public ILinkLayer
|
|
{
|
|
LinkLayer(const SecretKey &encryptionSecretKey, GetRCFunc getrc,
|
|
LinkMessageHandler h, SessionEstablishedHandler established,
|
|
SessionRenegotiateHandler reneg, SignBufferFunc sign,
|
|
TimeoutHandler timeout, SessionClosedHandler closed);
|
|
|
|
~LinkLayer() override;
|
|
|
|
bool
|
|
Start(std::shared_ptr< Logic > l) override;
|
|
|
|
std::shared_ptr< ILinkSession >
|
|
NewOutboundSession(const RouterContact &rc,
|
|
const AddressInfo &ai) override;
|
|
|
|
void
|
|
Pump() override;
|
|
|
|
bool
|
|
KeyGen(SecretKey &k) override;
|
|
|
|
const char *
|
|
Name() const override;
|
|
|
|
uint16_t
|
|
Rank() const override;
|
|
|
|
/// verify that a new flow id matches addresses and pubkey
|
|
bool
|
|
VerifyFlowID(const PubKey &pk, const Addr &from,
|
|
const FlowID_t &flow) const;
|
|
|
|
void
|
|
RecvFrom(const Addr &from, const void *buf, size_t sz) override;
|
|
|
|
private:
|
|
bool
|
|
GenFlowIDFor(const PubKey &pk, const Addr &from, FlowID_t &flow) const;
|
|
|
|
bool
|
|
ShouldSendFlowID(const Addr &from) const;
|
|
|
|
void
|
|
SendReject(const Addr &to, const char *msg);
|
|
|
|
void
|
|
SendFlowID(const Addr &to, const FlowID_t &flow);
|
|
|
|
using ActiveFlows_t =
|
|
std::unordered_map< FlowID_t, RouterID, FlowID_t::Hash >;
|
|
|
|
ActiveFlows_t m_ActiveFlows;
|
|
|
|
using PendingFlows_t = std::unordered_map< Addr, FlowID_t, Addr::Hash >;
|
|
/// flows that are pending authentication
|
|
PendingFlows_t m_PendingFlows;
|
|
|
|
/// cookie used in flow id computation
|
|
AlignedBuffer< 32 > m_FlowCookie;
|
|
|
|
OuterMessage m_OuterMsg;
|
|
};
|
|
} // namespace iwp
|
|
} // namespace llarp
|
|
|
|
#endif
|