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recreate SSU session again if session key is invalid

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orignal 2017-03-05 17:08:20 -05:00
parent 60ed43c11b
commit 92fc736cfa
3 changed files with 22 additions and 4 deletions
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3
SSUData.cpp
View File

@ -48,6 +48,9 @@ namespace transport
{
m_ResendTimer.cancel ();
m_IncompleteMessagesCleanupTimer.cancel ();
m_IncompleteMessages.clear ();
m_SentMessages.clear ();
m_ReceivedMessages.clear ();
}
void SSUData::AdjustPacketSize (std::shared_ptr<const i2p::data::RouterInfo> remoteRouter)

17
SSUSession.cpp
View File

@ -104,6 +104,7 @@ namespace transport
DecryptSessionKey (buf, len);
else
{
if (m_State == eSessionStateEstablished) Reset (); // new session key required
// try intro key depending on side
if (Validate (buf, len, m_IntroKey))
Decrypt (buf, len, m_IntroKey);
@ -869,13 +870,25 @@ namespace transport
void SSUSession::Close ()
{
SendSessionDestroyed ();
Reset ();
m_State = eSessionStateClosed;
SendSesionDestroyed ();
}
void SSUSession::Reset ()
{
m_State = eSessionStateUnknown;
transports.PeerDisconnected (shared_from_this ());
m_Data.Stop ();
m_ConnectTimer.cancel ();
if (m_SentRelayTag)
{
m_Server.RemoveRelay (m_SentRelayTag); // relay tag is not valid anymore
m_SentRelayTag = 0;
}
m_DHKeysPair = nullptr;
m_SignedData = nullptr;
m_IsSessionKey = false;
}
void SSUSession::Done ()
@ -1140,7 +1153,7 @@ namespace transport
}
}
void SSUSession::SendSesionDestroyed ()
void SSUSession::SendSessionDestroyed ()
{
if (m_IsSessionKey)
{

4
SSUSession.h
View File

@ -121,7 +121,7 @@ namespace transport
void ProcessPeerTest (const uint8_t * buf, size_t len, const boost::asio::ip::udp::endpoint& senderEndpoint);
void SendPeerTest (uint32_t nonce, const boost::asio::ip::address& address, uint16_t port, const uint8_t * introKey, bool toAddress = true, bool sendAddress = true);
void ProcessData (uint8_t * buf, size_t len);
void SendSesionDestroyed ();
void SendSessionDestroyed ();
void Send (uint8_t type, const uint8_t * payload, size_t len); // with session key
void Send (const uint8_t * buf, size_t size);
@ -132,6 +132,8 @@ namespace transport
void DecryptSessionKey (uint8_t * buf, size_t len);
bool Validate (uint8_t * buf, size_t len, const i2p::crypto::MACKey& macKey);
void Reset ();
private:
friend class SSUData; // TODO: change in later