PurpleI2P
/
i2pd
mirror of https://github.com/PurpleI2P/i2pd.git
1
0
Fork 0
Code Issues Releases Activity
Browse Source

use shared_ptr for I2NP messages through tunnels

pull/210/head
orignal 10 years ago
parent
122b8c2a84
commit
4ed7e29896
16 changed files with 75 additions and 127 deletions
Whitespace
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Unified View
Diff Options
Show Stats Download Patch File Download Diff File
  1. 2
      Datagram.cpp
  2. 4
      Destination.cpp
  3. 28
      I2NPProtocol.cpp
  4. 6
      I2NPProtocol.h
  5. 10
      NetDb.cpp
  6. 2
      RouterContext.cpp
  7. 2
      Streaming.cpp
  8. 18
      TransitTunnel.cpp
  9. 12
      TransitTunnel.h
  10. 7
      Transports.cpp
  11. 32
      Tunnel.cpp
  12. 16
      Tunnel.h
  13. 8
      TunnelBase.h
  14. 37
      TunnelEndpoint.cpp
  15. 6
      TunnelEndpoint.h
  16. 6
      TunnelGateway.cpp

2
Datagram.cpp
Unescape View File

@ -65,7 +65,7 @@ namespace datagram
{ {
i2p::tunnel::eDeliveryTypeTunnel, i2p::tunnel::eDeliveryTypeTunnel,
leases[i].tunnelGateway, leases[i].tunnelID, leases[i].tunnelGateway, leases[i].tunnelID,
garlic ToSharedI2NPMessage (garlic)
}); });
outboundTunnel->SendTunnelDataMsg (msgs); outboundTunnel->SendTunnelDataMsg (msgs);
} }

4
Destination.cpp
Unescape View File

@ -240,7 +240,7 @@ namespace client
HandleDatabaseSearchReplyMessage (buf + I2NP_HEADER_SIZE, bufbe16toh (buf + I2NP_HEADER_SIZE_OFFSET)); HandleDatabaseSearchReplyMessage (buf + I2NP_HEADER_SIZE, bufbe16toh (buf + I2NP_HEADER_SIZE_OFFSET));
break; break;
default: default:
i2p::HandleI2NPMessage (CreateI2NPMessage (buf, GetI2NPMessageLength (buf), from)); i2p::HandleI2NPMessage (ToSharedI2NPMessage (CreateI2NPMessage (buf, GetI2NPMessageLength (buf), from)));
} }
} }
@ -589,7 +589,7 @@ namespace client
i2p::tunnel::TunnelMessageBlock i2p::tunnel::TunnelMessageBlock
{ {
i2p::tunnel::eDeliveryTypeRouter, i2p::tunnel::eDeliveryTypeRouter,
nextFloodfill->GetIdentHash (), 0, msg nextFloodfill->GetIdentHash (), 0, ToSharedI2NPMessage (msg)
} }
}); });
request->requestTimeoutTimer.expires_from_now (boost::posix_time::seconds(LEASESET_REQUEST_TIMEOUT)); request->requestTimeoutTimer.expires_from_now (boost::posix_time::seconds(LEASESET_REQUEST_TIMEOUT));

28
I2NPProtocol.cpp
Unescape View File

@ -445,7 +445,7 @@ namespace i2p
return msg; return msg;
} }
I2NPMessage * CreateTunnelGatewayMsg (uint32_t tunnelID, I2NPMessage * msg) std::shared_ptr<I2NPMessage> CreateTunnelGatewayMsg (uint32_t tunnelID, std::shared_ptr<I2NPMessage> msg)
{ {
if (msg->offset >= I2NP_HEADER_SIZE + TUNNEL_GATEWAY_HEADER_SIZE) if (msg->offset >= I2NP_HEADER_SIZE + TUNNEL_GATEWAY_HEADER_SIZE)
{ {
@ -456,14 +456,13 @@ namespace i2p
htobe16buf (payload + TUNNEL_GATEWAY_HEADER_LENGTH_OFFSET, len); htobe16buf (payload + TUNNEL_GATEWAY_HEADER_LENGTH_OFFSET, len);
msg->offset -= (I2NP_HEADER_SIZE + TUNNEL_GATEWAY_HEADER_SIZE); msg->offset -= (I2NP_HEADER_SIZE + TUNNEL_GATEWAY_HEADER_SIZE);
msg->len = msg->offset + I2NP_HEADER_SIZE + TUNNEL_GATEWAY_HEADER_SIZE +len; msg->len = msg->offset + I2NP_HEADER_SIZE + TUNNEL_GATEWAY_HEADER_SIZE +len;
FillI2NPMessageHeader (msg, eI2NPTunnelGateway); FillI2NPMessageHeader (msg.get(), eI2NPTunnelGateway); // TODO
return msg; return msg;
} }
else else
{ {
I2NPMessage * msg1 = CreateTunnelGatewayMsg (tunnelID, msg->GetBuffer (), msg->GetLength ()); I2NPMessage * msg1 = CreateTunnelGatewayMsg (tunnelID, msg->GetBuffer (), msg->GetLength ());
DeleteI2NPMessage (msg); return ToSharedI2NPMessage (msg1);
return msg1;
} }
} }
@ -522,7 +521,7 @@ namespace i2p
} }
} }
void HandleI2NPMessage (I2NPMessage * msg) void HandleI2NPMessage (std::shared_ptr<I2NPMessage> msg)
{ {
if (msg) if (msg)
{ {
@ -539,32 +538,30 @@ namespace i2p
case eI2NPGarlic: case eI2NPGarlic:
{ {
LogPrint ("Garlic"); LogPrint ("Garlic");
auto sharedMsg = ToSharedI2NPMessage (msg);
if (msg->from) if (msg->from)
{ {
if (msg->from->GetTunnelPool ()) if (msg->from->GetTunnelPool ())
msg->from->GetTunnelPool ()->ProcessGarlicMessage (sharedMsg); msg->from->GetTunnelPool ()->ProcessGarlicMessage (msg);
else else
LogPrint (eLogInfo, "Local destination for garlic doesn't exist anymore"); LogPrint (eLogInfo, "Local destination for garlic doesn't exist anymore");
} }
else else
i2p::context.ProcessGarlicMessage (sharedMsg); i2p::context.ProcessGarlicMessage (msg);
break; break;
} }
case eI2NPDatabaseStore: case eI2NPDatabaseStore:
case eI2NPDatabaseSearchReply: case eI2NPDatabaseSearchReply:
case eI2NPDatabaseLookup: case eI2NPDatabaseLookup:
// forward to netDb // forward to netDb
i2p::data::netdb.PostI2NPMsg (ToSharedI2NPMessage (msg)); i2p::data::netdb.PostI2NPMsg (msg);
break; break;
case eI2NPDeliveryStatus: case eI2NPDeliveryStatus:
{ {
LogPrint ("DeliveryStatus"); LogPrint ("DeliveryStatus");
auto sharedMsg = ToSharedI2NPMessage (msg);
if (msg->from && msg->from->GetTunnelPool ()) if (msg->from && msg->from->GetTunnelPool ())
msg->from->GetTunnelPool ()->ProcessDeliveryStatus (sharedMsg); msg->from->GetTunnelPool ()->ProcessDeliveryStatus (msg);
else else
i2p::context.ProcessDeliveryStatusMessage (sharedMsg); i2p::context.ProcessDeliveryStatusMessage (msg);
break; break;
} }
case eI2NPVariableTunnelBuild: case eI2NPVariableTunnelBuild:
@ -576,7 +573,6 @@ namespace i2p
break; break;
default: default:
HandleI2NPMessage (msg->GetBuffer (), msg->GetLength ()); HandleI2NPMessage (msg->GetBuffer (), msg->GetLength ());
DeleteI2NPMessage (msg);
} }
} }
} }
@ -593,13 +589,13 @@ namespace i2p
switch (msg->GetTypeID ()) switch (msg->GetTypeID ())
{ {
case eI2NPTunnelData: case eI2NPTunnelData:
m_TunnelMsgs.push_back (msg); m_TunnelMsgs.push_back (ToSharedI2NPMessage (msg));
break; break;
case eI2NPTunnelGateway: case eI2NPTunnelGateway:
m_TunnelGatewayMsgs.push_back (msg); m_TunnelGatewayMsgs.push_back (ToSharedI2NPMessage (msg));
break; break;
default: default:
HandleI2NPMessage (msg); HandleI2NPMessage (ToSharedI2NPMessage (msg));
} }
} }
} }

6
I2NPProtocol.h
Unescape View File

@ -225,11 +225,11 @@ namespace tunnel
I2NPMessage * CreateTunnelGatewayMsg (uint32_t tunnelID, const uint8_t * buf, size_t len); I2NPMessage * CreateTunnelGatewayMsg (uint32_t tunnelID, const uint8_t * buf, size_t len);
I2NPMessage * CreateTunnelGatewayMsg (uint32_t tunnelID, I2NPMessageType msgType, I2NPMessage * CreateTunnelGatewayMsg (uint32_t tunnelID, I2NPMessageType msgType,
const uint8_t * buf, size_t len, uint32_t replyMsgID = 0); const uint8_t * buf, size_t len, uint32_t replyMsgID = 0);
I2NPMessage * CreateTunnelGatewayMsg (uint32_t tunnelID, I2NPMessage * msg); std::shared_ptr<I2NPMessage> CreateTunnelGatewayMsg (uint32_t tunnelID, std::shared_ptr<I2NPMessage> msg);
size_t GetI2NPMessageLength (const uint8_t * msg); size_t GetI2NPMessageLength (const uint8_t * msg);
void HandleI2NPMessage (uint8_t * msg, size_t len); void HandleI2NPMessage (uint8_t * msg, size_t len);
void HandleI2NPMessage (I2NPMessage * msg); void HandleI2NPMessage (std::shared_ptr<I2NPMessage> msg);
class I2NPMessagesHandler class I2NPMessagesHandler
{ {
@ -241,7 +241,7 @@ namespace tunnel
private: private:
std::vector<I2NPMessage *> m_TunnelMsgs, m_TunnelGatewayMsgs; std::vector<std::shared_ptr<I2NPMessage> > m_TunnelMsgs, m_TunnelGatewayMsgs;
}; };
} }

10
NetDb.cpp
Unescape View File

@ -597,7 +597,7 @@ namespace data
{ {
i2p::tunnel::eDeliveryTypeRouter, i2p::tunnel::eDeliveryTypeRouter,
nextFloodfill->GetIdentHash (), 0, nextFloodfill->GetIdentHash (), 0,
CreateDatabaseStoreMsg () ToSharedI2NPMessage (CreateDatabaseStoreMsg ())
}); });
// request destination // request destination
@ -606,7 +606,7 @@ namespace data
msgs.push_back (i2p::tunnel::TunnelMessageBlock msgs.push_back (i2p::tunnel::TunnelMessageBlock
{ {
i2p::tunnel::eDeliveryTypeRouter, i2p::tunnel::eDeliveryTypeRouter,
nextFloodfill->GetIdentHash (), 0, msg nextFloodfill->GetIdentHash (), 0, ToSharedI2NPMessage (msg)
}); });
deleteDest = false; deleteDest = false;
} }
@ -763,7 +763,7 @@ namespace data
if (outbound) if (outbound)
outbound->SendTunnelDataMsg (buf+32, replyTunnelID, replyMsg); outbound->SendTunnelDataMsg (buf+32, replyTunnelID, replyMsg);
else else
transports.SendMessage (buf+32, i2p::CreateTunnelGatewayMsg (replyTunnelID, replyMsg)); transports.SendMessage (buf+32, i2p::CreateTunnelGatewayMsg (replyTunnelID, ToSharedI2NPMessage(replyMsg)));
} }
else else
transports.SendMessage (buf+32, replyMsg); transports.SendMessage (buf+32, replyMsg);
@ -804,13 +804,13 @@ namespace data
{ {
i2p::tunnel::eDeliveryTypeRouter, i2p::tunnel::eDeliveryTypeRouter,
floodfill->GetIdentHash (), 0, floodfill->GetIdentHash (), 0,
CreateDatabaseStoreMsg () // tell floodfill about us ToSharedI2NPMessage (CreateDatabaseStoreMsg ()) // tell floodfill about us
}); });
msgs.push_back (i2p::tunnel::TunnelMessageBlock msgs.push_back (i2p::tunnel::TunnelMessageBlock
{ {
i2p::tunnel::eDeliveryTypeRouter, i2p::tunnel::eDeliveryTypeRouter,
floodfill->GetIdentHash (), 0, floodfill->GetIdentHash (), 0,
dest->CreateRequestMessage (floodfill, inbound) // explore ToSharedI2NPMessage (dest->CreateRequestMessage (floodfill, inbound)) // explore
}); });
} }
else else

2
RouterContext.cpp
Unescape View File

@ -296,7 +296,7 @@ namespace i2p
void RouterContext::HandleI2NPMessage (const uint8_t * buf, size_t len, std::shared_ptr<i2p::tunnel::InboundTunnel> from) void RouterContext::HandleI2NPMessage (const uint8_t * buf, size_t len, std::shared_ptr<i2p::tunnel::InboundTunnel> from)
{ {
i2p::HandleI2NPMessage (CreateI2NPMessage (buf, GetI2NPMessageLength (buf), from)); i2p::HandleI2NPMessage (ToSharedI2NPMessage(CreateI2NPMessage (buf, GetI2NPMessageLength (buf), from)));
} }
void RouterContext::ProcessGarlicMessage (std::shared_ptr<I2NPMessage> msg) void RouterContext::ProcessGarlicMessage (std::shared_ptr<I2NPMessage> msg)

2
Streaming.cpp
Unescape View File

@ -617,7 +617,7 @@ namespace stream
{ {
i2p::tunnel::eDeliveryTypeTunnel, i2p::tunnel::eDeliveryTypeTunnel,
m_CurrentRemoteLease.tunnelGateway, m_CurrentRemoteLease.tunnelID, m_CurrentRemoteLease.tunnelGateway, m_CurrentRemoteLease.tunnelID,
msg ToSharedI2NPMessage (msg)
}); });
m_NumSentBytes += it->GetLength (); m_NumSentBytes += it->GetLength ();
} }

18
TransitTunnel.cpp
Unescape View File

@ -20,7 +20,7 @@ namespace tunnel
m_Encryption.SetKeys (layerKey, ivKey); m_Encryption.SetKeys (layerKey, ivKey);
} }
void TransitTunnel::EncryptTunnelMsg (I2NPMessage * tunnelMsg) void TransitTunnel::EncryptTunnelMsg (std::shared_ptr<I2NPMessage> tunnelMsg)
{ {
m_Encryption.Encrypt (tunnelMsg->GetPayload () + 4); m_Encryption.Encrypt (tunnelMsg->GetPayload () + 4);
} }
@ -29,14 +29,14 @@ namespace tunnel
{ {
} }
void TransitTunnelParticipant::HandleTunnelDataMsg (i2p::I2NPMessage * tunnelMsg) void TransitTunnelParticipant::HandleTunnelDataMsg (std::shared_ptr<i2p::I2NPMessage> tunnelMsg)
{ {
EncryptTunnelMsg (tunnelMsg); EncryptTunnelMsg (tunnelMsg);
m_NumTransmittedBytes += tunnelMsg->GetLength (); m_NumTransmittedBytes += tunnelMsg->GetLength ();
htobe32buf (tunnelMsg->GetPayload (), GetNextTunnelID ()); htobe32buf (tunnelMsg->GetPayload (), GetNextTunnelID ());
FillI2NPMessageHeader (tunnelMsg, eI2NPTunnelData); FillI2NPMessageHeader (tunnelMsg.get (), eI2NPTunnelData); // TODO
m_TunnelDataMsgs.push_back (ToSharedI2NPMessage (tunnelMsg)); m_TunnelDataMsgs.push_back (tunnelMsg);
} }
void TransitTunnelParticipant::FlushTunnelDataMsgs () void TransitTunnelParticipant::FlushTunnelDataMsgs ()
@ -51,19 +51,17 @@ namespace tunnel
} }
} }
void TransitTunnel::SendTunnelDataMsg (i2p::I2NPMessage * msg) void TransitTunnel::SendTunnelDataMsg (std::shared_ptr<i2p::I2NPMessage> msg)
{ {
LogPrint (eLogError, "We are not a gateway for transit tunnel ", m_TunnelID); LogPrint (eLogError, "We are not a gateway for transit tunnel ", m_TunnelID);
i2p::DeleteI2NPMessage (msg);
} }
void TransitTunnel::HandleTunnelDataMsg (i2p::I2NPMessage * tunnelMsg) void TransitTunnel::HandleTunnelDataMsg (std::shared_ptr<i2p::I2NPMessage> tunnelMsg)
{ {
LogPrint (eLogError, "Incoming tunnel message is not supported ", m_TunnelID); LogPrint (eLogError, "Incoming tunnel message is not supported ", m_TunnelID);
DeleteI2NPMessage (tunnelMsg);
} }
void TransitTunnelGateway::SendTunnelDataMsg (i2p::I2NPMessage * msg) void TransitTunnelGateway::SendTunnelDataMsg (std::shared_ptr<i2p::I2NPMessage> msg)
{ {
TunnelMessageBlock block; TunnelMessageBlock block;
block.deliveryType = eDeliveryTypeLocal; block.deliveryType = eDeliveryTypeLocal;
@ -78,7 +76,7 @@ namespace tunnel
m_Gateway.SendBuffer (); m_Gateway.SendBuffer ();
} }
void TransitTunnelEndpoint::HandleTunnelDataMsg (i2p::I2NPMessage * tunnelMsg) void TransitTunnelEndpoint::HandleTunnelDataMsg (std::shared_ptr<i2p::I2NPMessage> tunnelMsg)
{ {
EncryptTunnelMsg (tunnelMsg); EncryptTunnelMsg (tunnelMsg);

12
TransitTunnel.h
Unescape View File

@ -28,9 +28,9 @@ namespace tunnel
uint32_t GetTunnelID () const { return m_TunnelID; }; uint32_t GetTunnelID () const { return m_TunnelID; };
// implements TunnelBase // implements TunnelBase
void SendTunnelDataMsg (i2p::I2NPMessage * msg); void SendTunnelDataMsg (std::shared_ptr<i2p::I2NPMessage> msg);
void HandleTunnelDataMsg (i2p::I2NPMessage * tunnelMsg); void HandleTunnelDataMsg (std::shared_ptr<i2p::I2NPMessage> tunnelMsg);
void EncryptTunnelMsg (I2NPMessage * tunnelMsg); void EncryptTunnelMsg (std::shared_ptr<I2NPMessage> tunnelMsg);
uint32_t GetNextTunnelID () const { return m_NextTunnelID; }; uint32_t GetNextTunnelID () const { return m_NextTunnelID; };
const i2p::data::IdentHash& GetNextIdentHash () const { return m_NextIdent; }; const i2p::data::IdentHash& GetNextIdentHash () const { return m_NextIdent; };
@ -54,7 +54,7 @@ namespace tunnel
~TransitTunnelParticipant (); ~TransitTunnelParticipant ();
size_t GetNumTransmittedBytes () const { return m_NumTransmittedBytes; }; size_t GetNumTransmittedBytes () const { return m_NumTransmittedBytes; };
void HandleTunnelDataMsg (i2p::I2NPMessage * tunnelMsg); void HandleTunnelDataMsg (std::shared_ptr<i2p::I2NPMessage> tunnelMsg);
void FlushTunnelDataMsgs (); void FlushTunnelDataMsgs ();
private: private:
@ -73,7 +73,7 @@ namespace tunnel
TransitTunnel (receiveTunnelID, nextIdent, nextTunnelID, TransitTunnel (receiveTunnelID, nextIdent, nextTunnelID,
layerKey, ivKey), m_Gateway(this) {}; layerKey, ivKey), m_Gateway(this) {};
void SendTunnelDataMsg (i2p::I2NPMessage * msg); void SendTunnelDataMsg (std::shared_ptr<i2p::I2NPMessage> msg);
void FlushTunnelDataMsgs (); void FlushTunnelDataMsgs ();
size_t GetNumTransmittedBytes () const { return m_Gateway.GetNumSentBytes (); }; size_t GetNumTransmittedBytes () const { return m_Gateway.GetNumSentBytes (); };
@ -93,7 +93,7 @@ namespace tunnel
TransitTunnel (receiveTunnelID, nextIdent, nextTunnelID, layerKey, ivKey), TransitTunnel (receiveTunnelID, nextIdent, nextTunnelID, layerKey, ivKey),
m_Endpoint (false) {}; // transit endpoint is always outbound m_Endpoint (false) {}; // transit endpoint is always outbound
void HandleTunnelDataMsg (i2p::I2NPMessage * tunnelMsg); void HandleTunnelDataMsg (std::shared_ptr<i2p::I2NPMessage> tunnelMsg);
size_t GetNumTransmittedBytes () const { return m_Endpoint.GetNumReceivedBytes (); } size_t GetNumTransmittedBytes () const { return m_Endpoint.GetNumReceivedBytes (); }
private: private:

7
Transports.cpp
Unescape View File

@ -242,12 +242,7 @@ namespace transport
{ {
// we send it to ourself // we send it to ourself
for (auto it: msgs) for (auto it: msgs)
{ i2p::HandleI2NPMessage (it);
// TODO:
auto m = NewI2NPMessage ();
*m = *(it);
i2p::HandleI2NPMessage (m);
}
return; return;
} }
auto it = m_Peers.find (ident); auto it = m_Peers.find (ident);

32
Tunnel.cpp
Unescape View File

@ -31,7 +31,7 @@ namespace tunnel
CryptoPP::RandomNumberGenerator& rnd = i2p::context.GetRandomNumberGenerator (); CryptoPP::RandomNumberGenerator& rnd = i2p::context.GetRandomNumberGenerator ();
auto numHops = m_Config->GetNumHops (); auto numHops = m_Config->GetNumHops ();
int numRecords = numHops <= STANDARD_NUM_RECORDS ? STANDARD_NUM_RECORDS : numHops; int numRecords = numHops <= STANDARD_NUM_RECORDS ? STANDARD_NUM_RECORDS : numHops;
I2NPMessage * msg = NewI2NPShortMessage (); auto msg = NewI2NPShortMessage ();
*msg->GetPayload () = numRecords; *msg->GetPayload () = numRecords;
msg->len += numRecords*TUNNEL_BUILD_RECORD_SIZE + 1; msg->len += numRecords*TUNNEL_BUILD_RECORD_SIZE + 1;
@ -140,7 +140,7 @@ namespace tunnel
return established; return established;
} }
void Tunnel::EncryptTunnelMsg (I2NPMessage * tunnelMsg) void Tunnel::EncryptTunnelMsg (std::shared_ptr<I2NPMessage> tunnelMsg)
{ {
uint8_t * payload = tunnelMsg->GetPayload () + 4; uint8_t * payload = tunnelMsg->GetPayload () + 4;
TunnelHopConfig * hop = m_Config->GetLastHop (); TunnelHopConfig * hop = m_Config->GetLastHop ();
@ -151,13 +151,12 @@ namespace tunnel
} }
} }
void Tunnel::SendTunnelDataMsg (i2p::I2NPMessage * msg) void Tunnel::SendTunnelDataMsg (std::shared_ptr<i2p::I2NPMessage> msg)
{ {
LogPrint (eLogInfo, "Can't send I2NP messages without delivery instructions"); LogPrint (eLogInfo, "Can't send I2NP messages without delivery instructions");
DeleteI2NPMessage (msg);
} }
void InboundTunnel::HandleTunnelDataMsg (I2NPMessage * msg) void InboundTunnel::HandleTunnelDataMsg (std::shared_ptr<I2NPMessage> msg)
{ {
if (IsFailed ()) SetState (eTunnelStateEstablished); // incoming messages means a tunnel is alive if (IsFailed ()) SetState (eTunnelStateEstablished); // incoming messages means a tunnel is alive
msg->from = shared_from_this (); msg->from = shared_from_this ();
@ -181,7 +180,7 @@ namespace tunnel
} }
else else
block.deliveryType = eDeliveryTypeLocal; block.deliveryType = eDeliveryTypeLocal;
block.data = msg; block.data = ToSharedI2NPMessage (msg);
std::unique_lock<std::mutex> l(m_SendMutex); std::unique_lock<std::mutex> l(m_SendMutex);
m_Gateway.SendTunnelDataMsg (block); m_Gateway.SendTunnelDataMsg (block);
@ -195,10 +194,9 @@ namespace tunnel
m_Gateway.SendBuffer (); m_Gateway.SendBuffer ();
} }
void OutboundTunnel::HandleTunnelDataMsg (i2p::I2NPMessage * tunnelMsg) void OutboundTunnel::HandleTunnelDataMsg (std::shared_ptr<i2p::I2NPMessage> tunnelMsg)
{ {
LogPrint (eLogError, "Incoming message for outbound tunnel ", GetTunnelID ()); LogPrint (eLogError, "Incoming message for outbound tunnel ", GetTunnelID ());
DeleteI2NPMessage (tunnelMsg);
} }
Tunnels tunnels; Tunnels tunnels;
@ -352,7 +350,7 @@ namespace tunnel
{ {
try try
{ {
I2NPMessage * msg = m_Queue.GetNextWithTimeout (1000); // 1 sec auto msg = m_Queue.GetNextWithTimeout (1000); // 1 sec
if (msg) if (msg)
{ {
uint32_t prevTunnelID = 0, tunnelID = 0; uint32_t prevTunnelID = 0, tunnelID = 0;
@ -384,26 +382,17 @@ namespace tunnel
HandleTunnelGatewayMsg (tunnel, msg); HandleTunnelGatewayMsg (tunnel, msg);
} }
else else
{
LogPrint (eLogWarning, "Tunnel ", tunnelID, " not found"); LogPrint (eLogWarning, "Tunnel ", tunnelID, " not found");
DeleteI2NPMessage (msg);
}
break; break;
} }
case eI2NPVariableTunnelBuild: case eI2NPVariableTunnelBuild:
case eI2NPVariableTunnelBuildReply: case eI2NPVariableTunnelBuildReply:
case eI2NPTunnelBuild: case eI2NPTunnelBuild:
case eI2NPTunnelBuildReply: case eI2NPTunnelBuildReply:
{
HandleI2NPMessage (msg->GetBuffer (), msg->GetLength ()); HandleI2NPMessage (msg->GetBuffer (), msg->GetLength ());
DeleteI2NPMessage (msg);
break; break;
}
default: default:
{
LogPrint (eLogError, "Unexpected messsage type ", (int)typeID); LogPrint (eLogError, "Unexpected messsage type ", (int)typeID);
DeleteI2NPMessage (msg);
}
} }
msg = m_Queue.Get (); msg = m_Queue.Get ();
@ -432,12 +421,11 @@ namespace tunnel
} }
} }
void Tunnels::HandleTunnelGatewayMsg (TunnelBase * tunnel, I2NPMessage * msg) void Tunnels::HandleTunnelGatewayMsg (TunnelBase * tunnel, std::shared_ptr<I2NPMessage> msg)
{ {
if (!tunnel) if (!tunnel)
{ {
LogPrint (eLogError, "Missing tunnel for TunnelGateway"); LogPrint (eLogError, "Missing tunnel for TunnelGateway");
i2p::DeleteI2NPMessage (msg);
return; return;
} }
const uint8_t * payload = msg->GetPayload (); const uint8_t * payload = msg->GetPayload ();
@ -661,12 +649,12 @@ namespace tunnel
} }
} }
void Tunnels::PostTunnelData (I2NPMessage * msg) void Tunnels::PostTunnelData (std::shared_ptr<I2NPMessage> msg)
{ {
if (msg) m_Queue.Put (msg); if (msg) m_Queue.Put (msg);
} }
void Tunnels::PostTunnelData (const std::vector<I2NPMessage *>& msgs) void Tunnels::PostTunnelData (const std::vector<std::shared_ptr<I2NPMessage> >& msgs)
{ {
m_Queue.Put (msgs); m_Queue.Put (msgs);
} }

16
Tunnel.h
Unescape View File

@ -64,8 +64,8 @@ namespace tunnel
bool HandleTunnelBuildResponse (uint8_t * msg, size_t len); bool HandleTunnelBuildResponse (uint8_t * msg, size_t len);
// implements TunnelBase // implements TunnelBase
void SendTunnelDataMsg (i2p::I2NPMessage * msg); void SendTunnelDataMsg (std::shared_ptr<i2p::I2NPMessage> msg);
void EncryptTunnelMsg (I2NPMessage * tunnelMsg); void EncryptTunnelMsg (std::shared_ptr<I2NPMessage> tunnelMsg);
uint32_t GetNextTunnelID () const { return m_Config->GetFirstHop ()->tunnelID; }; uint32_t GetNextTunnelID () const { return m_Config->GetFirstHop ()->tunnelID; };
const i2p::data::IdentHash& GetNextIdentHash () const { return m_Config->GetFirstHop ()->router->GetIdentHash (); }; const i2p::data::IdentHash& GetNextIdentHash () const { return m_Config->GetFirstHop ()->router->GetIdentHash (); };
@ -90,7 +90,7 @@ namespace tunnel
size_t GetNumSentBytes () const { return m_Gateway.GetNumSentBytes (); }; size_t GetNumSentBytes () const { return m_Gateway.GetNumSentBytes (); };
// implements TunnelBase // implements TunnelBase
void HandleTunnelDataMsg (i2p::I2NPMessage * tunnelMsg); void HandleTunnelDataMsg (std::shared_ptr<i2p::I2NPMessage> tunnelMsg);
uint32_t GetTunnelID () const { return GetNextTunnelID (); }; uint32_t GetTunnelID () const { return GetNextTunnelID (); };
private: private:
@ -104,7 +104,7 @@ namespace tunnel
public: public:
InboundTunnel (std::shared_ptr<const TunnelConfig> config): Tunnel (config), m_Endpoint (true) {}; InboundTunnel (std::shared_ptr<const TunnelConfig> config): Tunnel (config), m_Endpoint (true) {};
void HandleTunnelDataMsg (I2NPMessage * msg); void HandleTunnelDataMsg (std::shared_ptr<I2NPMessage> msg);
size_t GetNumReceivedBytes () const { return m_Endpoint.GetNumReceivedBytes (); }; size_t GetNumReceivedBytes () const { return m_Endpoint.GetNumReceivedBytes (); };
// implements TunnelBase // implements TunnelBase
@ -135,8 +135,8 @@ namespace tunnel
void AddTransitTunnel (TransitTunnel * tunnel); void AddTransitTunnel (TransitTunnel * tunnel);
void AddOutboundTunnel (std::shared_ptr<OutboundTunnel> newTunnel); void AddOutboundTunnel (std::shared_ptr<OutboundTunnel> newTunnel);
void AddInboundTunnel (std::shared_ptr<InboundTunnel> newTunnel); void AddInboundTunnel (std::shared_ptr<InboundTunnel> newTunnel);
void PostTunnelData (I2NPMessage * msg); void PostTunnelData (std::shared_ptr<I2NPMessage> msg);
void PostTunnelData (const std::vector<I2NPMessage *>& msgs); void PostTunnelData (const std::vector<std::shared_ptr<I2NPMessage> >& msgs);
template<class TTunnel> template<class TTunnel>
std::shared_ptr<TTunnel> CreateTunnel (std::shared_ptr<TunnelConfig> config, std::shared_ptr<OutboundTunnel> outboundTunnel = nullptr); std::shared_ptr<TTunnel> CreateTunnel (std::shared_ptr<TunnelConfig> config, std::shared_ptr<OutboundTunnel> outboundTunnel = nullptr);
void AddPendingTunnel (uint32_t replyMsgID, std::shared_ptr<InboundTunnel> tunnel); void AddPendingTunnel (uint32_t replyMsgID, std::shared_ptr<InboundTunnel> tunnel);
@ -150,7 +150,7 @@ namespace tunnel
template<class TTunnel> template<class TTunnel>
std::shared_ptr<TTunnel> GetPendingTunnel (uint32_t replyMsgID, const std::map<uint32_t, std::shared_ptr<TTunnel> >& pendingTunnels); std::shared_ptr<TTunnel> GetPendingTunnel (uint32_t replyMsgID, const std::map<uint32_t, std::shared_ptr<TTunnel> >& pendingTunnels);
void HandleTunnelGatewayMsg (TunnelBase * tunnel, I2NPMessage * msg); void HandleTunnelGatewayMsg (TunnelBase * tunnel, std::shared_ptr<I2NPMessage> msg);
void Run (); void Run ();
void ManageTunnels (); void ManageTunnels ();
@ -177,7 +177,7 @@ namespace tunnel
std::mutex m_PoolsMutex; std::mutex m_PoolsMutex;
std::list<std::shared_ptr<TunnelPool>> m_Pools; std::list<std::shared_ptr<TunnelPool>> m_Pools;
std::shared_ptr<TunnelPool> m_ExploratoryPool; std::shared_ptr<TunnelPool> m_ExploratoryPool;
i2p::util::Queue<I2NPMessage *> m_Queue; i2p::util::Queue<std::shared_ptr<I2NPMessage> > m_Queue;
// some stats // some stats
int m_NumSuccesiveTunnelCreations, m_NumFailedTunnelCreations; int m_NumSuccesiveTunnelCreations, m_NumFailedTunnelCreations;

8
TunnelBase.h
Unescape View File

@ -26,7 +26,7 @@ namespace tunnel
TunnelDeliveryType deliveryType; TunnelDeliveryType deliveryType;
i2p::data::IdentHash hash; i2p::data::IdentHash hash;
uint32_t tunnelID; uint32_t tunnelID;
I2NPMessage * data; std::shared_ptr<I2NPMessage> data;
}; };
class TunnelBase class TunnelBase
@ -37,10 +37,10 @@ namespace tunnel
TunnelBase (): m_CreationTime (i2p::util::GetSecondsSinceEpoch ()) {}; TunnelBase (): m_CreationTime (i2p::util::GetSecondsSinceEpoch ()) {};
virtual ~TunnelBase () {}; virtual ~TunnelBase () {};
virtual void HandleTunnelDataMsg (i2p::I2NPMessage * tunnelMsg) = 0; virtual void HandleTunnelDataMsg (std::shared_ptr<i2p::I2NPMessage> tunnelMsg) = 0;
virtual void SendTunnelDataMsg (i2p::I2NPMessage * msg) = 0; virtual void SendTunnelDataMsg (std::shared_ptr<i2p::I2NPMessage> msg) = 0;
virtual void FlushTunnelDataMsgs () {}; virtual void FlushTunnelDataMsgs () {};
virtual void EncryptTunnelMsg (I2NPMessage * tunnelMsg) = 0; virtual void EncryptTunnelMsg (std::shared_ptr<I2NPMessage> tunnelMsg) = 0;
virtual uint32_t GetNextTunnelID () const = 0; virtual uint32_t GetNextTunnelID () const = 0;
virtual const i2p::data::IdentHash& GetNextIdentHash () const = 0; virtual const i2p::data::IdentHash& GetNextIdentHash () const = 0;
virtual uint32_t GetTunnelID () const = 0; // as known at our side virtual uint32_t GetTunnelID () const = 0; // as known at our side

37
TunnelEndpoint.cpp
Unescape View File

@ -13,13 +13,9 @@ namespace tunnel
{ {
TunnelEndpoint::~TunnelEndpoint () TunnelEndpoint::~TunnelEndpoint ()
{ {
for (auto it: m_IncompleteMessages)
i2p::DeleteI2NPMessage (it.second.data);
for (auto it: m_OutOfSequenceFragments)
i2p::DeleteI2NPMessage (it.second.data);
} }
void TunnelEndpoint::HandleDecryptedTunnelDataMsg (I2NPMessage * msg) void TunnelEndpoint::HandleDecryptedTunnelDataMsg (std::shared_ptr<I2NPMessage> msg)
{ {
m_NumReceivedBytes += TUNNEL_DATA_MSG_SIZE; m_NumReceivedBytes += TUNNEL_DATA_MSG_SIZE;
@ -35,7 +31,6 @@ namespace tunnel
if (memcmp (hash, decrypted, 4)) if (memcmp (hash, decrypted, 4))
{ {
LogPrint (eLogError, "TunnelMessage: checksum verification failed"); LogPrint (eLogError, "TunnelMessage: checksum verification failed");
i2p::DeleteI2NPMessage (msg);
return; return;
} }
// process fragments // process fragments
@ -97,7 +92,7 @@ namespace tunnel
if (fragment + size < decrypted + TUNNEL_DATA_ENCRYPTED_SIZE) if (fragment + size < decrypted + TUNNEL_DATA_ENCRYPTED_SIZE)
{ {
// this is not last message. we have to copy it // this is not last message. we have to copy it
m.data = NewI2NPShortMessage (); m.data = ToSharedI2NPMessage (NewI2NPShortMessage ());
m.data->offset += TUNNEL_GATEWAY_HEADER_SIZE; // reserve room for TunnelGateway header m.data->offset += TUNNEL_GATEWAY_HEADER_SIZE; // reserve room for TunnelGateway header
m.data->len += TUNNEL_GATEWAY_HEADER_SIZE; m.data->len += TUNNEL_GATEWAY_HEADER_SIZE;
*(m.data) = *msg; *(m.data) = *msg;
@ -118,10 +113,7 @@ namespace tunnel
if (ret.second) if (ret.second)
HandleOutOfSequenceFragment (msgID, ret.first->second); HandleOutOfSequenceFragment (msgID, ret.first->second);
else else
{
LogPrint (eLogError, "Incomplete message ", msgID, "already exists"); LogPrint (eLogError, "Incomplete message ", msgID, "already exists");
DeleteI2NPMessage (m.data);
}
} }
else else
{ {
@ -130,20 +122,14 @@ namespace tunnel
} }
} }
else else
{
LogPrint (eLogError, "Message is fragmented, but msgID is not presented"); LogPrint (eLogError, "Message is fragmented, but msgID is not presented");
DeleteI2NPMessage (m.data);
}
} }
fragment += size; fragment += size;
} }
} }
else else
{
LogPrint (eLogError, "TunnelMessage: zero not found"); LogPrint (eLogError, "TunnelMessage: zero not found");
i2p::DeleteI2NPMessage (msg);
}
} }
void TunnelEndpoint::HandleFollowOnFragment (uint32_t msgID, bool isLastFragment, const TunnelMessageBlockEx& m) void TunnelEndpoint::HandleFollowOnFragment (uint32_t msgID, bool isLastFragment, const TunnelMessageBlockEx& m)
@ -161,9 +147,8 @@ namespace tunnel
if (msg.data->len + size > msg.data->maxLen) if (msg.data->len + size > msg.data->maxLen)
{ {
LogPrint (eLogInfo, "Tunnel endpoint I2NP message size ", msg.data->maxLen, " is not enough"); LogPrint (eLogInfo, "Tunnel endpoint I2NP message size ", msg.data->maxLen, " is not enough");
I2NPMessage * newMsg = NewI2NPMessage (); auto newMsg = ToSharedI2NPMessage (NewI2NPMessage ());
*newMsg = *(msg.data); *newMsg = *(msg.data);
DeleteI2NPMessage (msg.data);
msg.data = newMsg; msg.data = newMsg;
} }
memcpy (msg.data->buf + msg.data->len, fragment, size); // concatenate fragment memcpy (msg.data->buf + msg.data->len, fragment, size); // concatenate fragment
@ -183,10 +168,8 @@ namespace tunnel
else else
{ {
LogPrint (eLogError, "Fragment ", m.nextFragmentNum, " of message ", msgID, "exceeds max I2NP message size. Message dropped"); LogPrint (eLogError, "Fragment ", m.nextFragmentNum, " of message ", msgID, "exceeds max I2NP message size. Message dropped");
i2p::DeleteI2NPMessage (msg.data);
m_IncompleteMessages.erase (it); m_IncompleteMessages.erase (it);
} }
i2p::DeleteI2NPMessage (m.data);
} }
else else
{ {
@ -201,13 +184,11 @@ namespace tunnel
} }
} }
void TunnelEndpoint::AddOutOfSequenceFragment (uint32_t msgID, uint8_t fragmentNum, bool isLastFragment, I2NPMessage * data) void TunnelEndpoint::AddOutOfSequenceFragment (uint32_t msgID, uint8_t fragmentNum, bool isLastFragment, std::shared_ptr<I2NPMessage> data)
{ {
auto it = m_OutOfSequenceFragments.find (msgID); auto it = m_OutOfSequenceFragments.find (msgID);
if (it == m_OutOfSequenceFragments.end ()) if (it == m_OutOfSequenceFragments.end ())
m_OutOfSequenceFragments.insert (std::pair<uint32_t, Fragment> (msgID, {fragmentNum, isLastFragment, data})); m_OutOfSequenceFragments.insert (std::pair<uint32_t, Fragment> (msgID, {fragmentNum, isLastFragment, data}));
else
i2p::DeleteI2NPMessage (data);
} }
void TunnelEndpoint::HandleOutOfSequenceFragment (uint32_t msgID, TunnelMessageBlockEx& msg) void TunnelEndpoint::HandleOutOfSequenceFragment (uint32_t msgID, TunnelMessageBlockEx& msg)
@ -222,9 +203,8 @@ namespace tunnel
if (msg.data->len + size > msg.data->maxLen) if (msg.data->len + size > msg.data->maxLen)
{ {
LogPrint (eLogInfo, "Tunnel endpoint I2NP message size ", msg.data->maxLen, " is not enough"); LogPrint (eLogInfo, "Tunnel endpoint I2NP message size ", msg.data->maxLen, " is not enough");
I2NPMessage * newMsg = NewI2NPMessage (); auto newMsg = ToSharedI2NPMessage (NewI2NPMessage ());
*newMsg = *(msg.data); *newMsg = *(msg.data);
DeleteI2NPMessage (msg.data);
msg.data = newMsg; msg.data = newMsg;
} }
memcpy (msg.data->buf + msg.data->len, it->second.data->GetBuffer (), size); // concatenate out-of-sync fragment memcpy (msg.data->buf + msg.data->len, it->second.data->GetBuffer (), size); // concatenate out-of-sync fragment
@ -237,7 +217,6 @@ namespace tunnel
} }
else else
msg.nextFragmentNum++; msg.nextFragmentNum++;
i2p::DeleteI2NPMessage (it->second.data);
m_OutOfSequenceFragments.erase (it); m_OutOfSequenceFragments.erase (it);
} }
} }
@ -273,17 +252,11 @@ namespace tunnel
i2p::transport::transports.SendMessage (msg.hash, msg.data); i2p::transport::transports.SendMessage (msg.hash, msg.data);
} }
else // we shouldn't send this message. possible leakage else // we shouldn't send this message. possible leakage
{
LogPrint (eLogError, "Message to another router arrived from an inbound tunnel. Dropped"); LogPrint (eLogError, "Message to another router arrived from an inbound tunnel. Dropped");
i2p::DeleteI2NPMessage (msg.data);
}
} }
break; break;
default: default:
{
LogPrint (eLogError, "TunnelMessage: Unknown delivery type ", (int)msg.deliveryType); LogPrint (eLogError, "TunnelMessage: Unknown delivery type ", (int)msg.deliveryType);
i2p::DeleteI2NPMessage (msg.data);
}
}; };
} }
} }

6
TunnelEndpoint.h
Unescape View File

@ -22,7 +22,7 @@ namespace tunnel
{ {
uint8_t fragmentNum; uint8_t fragmentNum;
bool isLastFragment; bool isLastFragment;
I2NPMessage * data; std::shared_ptr<I2NPMessage> data;
}; };
public: public:
@ -31,14 +31,14 @@ namespace tunnel
~TunnelEndpoint (); ~TunnelEndpoint ();
size_t GetNumReceivedBytes () const { return m_NumReceivedBytes; }; size_t GetNumReceivedBytes () const { return m_NumReceivedBytes; };
void HandleDecryptedTunnelDataMsg (I2NPMessage * msg); void HandleDecryptedTunnelDataMsg (std::shared_ptr<I2NPMessage> msg);
private: private:
void HandleFollowOnFragment (uint32_t msgID, bool isLastFragment, const TunnelMessageBlockEx& m); void HandleFollowOnFragment (uint32_t msgID, bool isLastFragment, const TunnelMessageBlockEx& m);
void HandleNextMessage (const TunnelMessageBlock& msg); void HandleNextMessage (const TunnelMessageBlock& msg);
void AddOutOfSequenceFragment (uint32_t msgID, uint8_t fragmentNum, bool isLastFragment, I2NPMessage * data); void AddOutOfSequenceFragment (uint32_t msgID, uint8_t fragmentNum, bool isLastFragment, std::shared_ptr<I2NPMessage> data);
void HandleOutOfSequenceFragment (uint32_t msgID, TunnelMessageBlockEx& msg); void HandleOutOfSequenceFragment (uint32_t msgID, TunnelMessageBlockEx& msg);
private: private:

6
TunnelGateway.cpp
Unescape View File

@ -40,7 +40,7 @@ namespace tunnel
di[0] = block.deliveryType << 5; // set delivery type di[0] = block.deliveryType << 5; // set delivery type
// create fragments // create fragments
I2NPMessage * msg = block.data; std::shared_ptr<I2NPMessage> msg = block.data;
auto fullMsgLen = diLen + msg->GetLength () + 2; // delivery instructions + payload + 2 bytes length auto fullMsgLen = diLen + msg->GetLength () + 2; // delivery instructions + payload + 2 bytes length
if (fullMsgLen <= m_RemainingSize) if (fullMsgLen <= m_RemainingSize)
{ {
@ -53,7 +53,6 @@ namespace tunnel
m_RemainingSize -= diLen + msg->GetLength (); m_RemainingSize -= diLen + msg->GetLength ();
if (!m_RemainingSize) if (!m_RemainingSize)
CompleteCurrentTunnelDataMessage (); CompleteCurrentTunnelDataMessage ();
DeleteI2NPMessage (msg);
} }
else else
{ {
@ -117,7 +116,6 @@ namespace tunnel
size += s; size += s;
fragmentNumber++; fragmentNumber++;
} }
DeleteI2NPMessage (msg);
} }
else else
{ {
@ -190,7 +188,7 @@ namespace tunnel
auto tunnelMsgs = m_Buffer.GetTunnelDataMsgs (); auto tunnelMsgs = m_Buffer.GetTunnelDataMsgs ();
for (auto tunnelMsg : tunnelMsgs) for (auto tunnelMsg : tunnelMsgs)
{ {
m_Tunnel->EncryptTunnelMsg (tunnelMsg.get ()); // TODO: m_Tunnel->EncryptTunnelMsg (tunnelMsg);
FillI2NPMessageHeader (tunnelMsg.get (), eI2NPTunnelData); // TODO: FillI2NPMessageHeader (tunnelMsg.get (), eI2NPTunnelData); // TODO:
m_NumSentBytes += TUNNEL_DATA_MSG_SIZE; m_NumSentBytes += TUNNEL_DATA_MSG_SIZE;
} }

Write Preview
Loading…
Cancel
Save