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limit number of incoming ECIES sessions. Don't try to create ECIES session for incoming stream

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orignal 2024-11-17 18:53:21 -05:00
parent 391e3b7814
commit 3c4926f377
3 changed files with 40 additions and 12 deletions
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5
libi2pd/Garlic.h
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@ -52,6 +52,7 @@ namespace garlic
const int OUTGOING_TAGS_CONFIRMATION_TIMEOUT = 10; // 10 seconds
const int LEASESET_CONFIRMATION_TIMEOUT = 4000; // in milliseconds
const int ROUTING_PATH_EXPIRATION_TIMEOUT = 120; // in seconds
const int INCOMING_SESSIONS_MINIMAL_INTERVAL = 200; // in milliseconds
struct SessionTag: public i2p::data::Tag<32>
{
@ -234,7 +235,8 @@ namespace garlic
int GetNumTags () const { return m_NumTags; };
void SetNumRatchetInboundTags (int numTags) { m_NumRatchetInboundTags = numTags; };
int GetNumRatchetInboundTags () const { return m_NumRatchetInboundTags; };
std::shared_ptr<GarlicRoutingSession> GetRoutingSession (std::shared_ptr<const i2p::data::RoutingDestination> destination, bool attachLeaseSet);
std::shared_ptr<GarlicRoutingSession> GetRoutingSession (std::shared_ptr<const i2p::data::RoutingDestination> destination,
bool attachLeaseSet, bool requestNewIfNotFound = true);
void CleanupExpiredTags ();
void RemoveDeliveryStatusSession (uint32_t msgID);
std::shared_ptr<I2NPMessage> WrapMessageForRouter (std::shared_ptr<const i2p::data::RouterInfo> router,
@ -284,6 +286,7 @@ namespace garlic
std::unordered_map<i2p::data::IdentHash, ElGamalAESSessionPtr> m_Sessions;
std::unordered_map<i2p::data::Tag<32>, ECIESX25519AEADRatchetSessionPtr> m_ECIESx25519Sessions; // static key -> session
uint8_t * m_PayloadBuffer; // for ECIESX25519AEADRatchet
uint64_t m_LastIncomingSessionTimestamp; // in millseconds
// incoming
int m_NumRatchetInboundTags;
std::unordered_map<SessionTag, std::shared_ptr<AESDecryption>, std::hash<i2p::data::Tag<32> > > m_Tags;