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

move tunnel build request/reply code from I2NPProtocol.cpp to Tunnel.cpp

pull/2094/merge
orignal 2 weeks ago
parent
002d8c7773
commit
c5e464a8b5
6 changed files with 114 additions and 133 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. 123
      libi2pd/I2NPProtocol.cpp
  2. 1
      libi2pd/I2NPProtocol.h
  3. 10
      libi2pd/TransitTunnel.cpp
  4. 4
      libi2pd/TransitTunnel.h
  5. 102
      libi2pd/Tunnel.cpp
  6. 3
      libi2pd/Tunnel.h

123
libi2pd/I2NPProtocol.cpp
Unescape View File

@ -371,94 +371,6 @@ namespace i2p
return !msg->GetPayload ()[DATABASE_STORE_TYPE_OFFSET]; // 0- RouterInfo return !msg->GetPayload ()[DATABASE_STORE_TYPE_OFFSET]; // 0- RouterInfo
} }
static void HandleVariableTunnelBuildMsg (uint32_t replyMsgID, uint8_t * buf, size_t len)
{
auto tunnel = i2p::tunnel::tunnels.GetPendingInboundTunnel (replyMsgID);
if (tunnel)
{
// endpoint of inbound tunnel
LogPrint (eLogDebug, "I2NP: VariableTunnelBuild reply for tunnel ", tunnel->GetTunnelID ());
if (tunnel->HandleTunnelBuildResponse (buf, len))
{
LogPrint (eLogInfo, "I2NP: Inbound tunnel ", tunnel->GetTunnelID (), " has been created");
tunnel->SetState (i2p::tunnel::eTunnelStateEstablished);
i2p::tunnel::tunnels.AddInboundTunnel (tunnel);
}
else
{
LogPrint (eLogInfo, "I2NP: Inbound tunnel ", tunnel->GetTunnelID (), " has been declined");
tunnel->SetState (i2p::tunnel::eTunnelStateBuildFailed);
}
}
else
i2p::tunnel::HandleVariableTransitTunnelBuildMsg (buf, len);
}
static void HandleTunnelBuildMsg (uint8_t * buf, size_t len)
{
LogPrint (eLogWarning, "I2NP: TunnelBuild is too old for ECIES router");
}
static void HandleTunnelBuildReplyMsg (uint32_t replyMsgID, uint8_t * buf, size_t len, bool isShort)
{
int num = buf[0];
LogPrint (eLogDebug, "I2NP: TunnelBuildReplyMsg of ", num, " records replyMsgID=", replyMsgID);
if (num > i2p::tunnel::MAX_NUM_RECORDS)
{
LogPrint (eLogError, "I2NP: Too many records in TunnelBuildReply message ", num);
return;
}
size_t recordSize = isShort ? SHORT_TUNNEL_BUILD_RECORD_SIZE : TUNNEL_BUILD_RECORD_SIZE;
if (len < num*recordSize + 1)
{
LogPrint (eLogError, "I2NP: TunnelBuildReply message of ", num, " records is too short ", len);
return;
}
auto tunnel = i2p::tunnel::tunnels.GetPendingOutboundTunnel (replyMsgID);
if (tunnel)
{
// reply for outbound tunnel
if (tunnel->HandleTunnelBuildResponse (buf, len))
{
LogPrint (eLogInfo, "I2NP: Outbound tunnel ", tunnel->GetTunnelID (), " has been created");
tunnel->SetState (i2p::tunnel::eTunnelStateEstablished);
i2p::tunnel::tunnels.AddOutboundTunnel (tunnel);
}
else
{
LogPrint (eLogInfo, "I2NP: Outbound tunnel ", tunnel->GetTunnelID (), " has been declined");
tunnel->SetState (i2p::tunnel::eTunnelStateBuildFailed);
}
}
else
LogPrint (eLogWarning, "I2NP: Pending tunnel for message ", replyMsgID, " not found");
}
static void HandleShortTunnelBuildMsg (uint32_t replyMsgID, uint8_t * buf, size_t len)
{
auto tunnel = i2p::tunnel::tunnels.GetPendingInboundTunnel (replyMsgID);
if (tunnel)
{
// endpoint of inbound tunnel
LogPrint (eLogDebug, "I2NP: ShortTunnelBuild reply for tunnel ", tunnel->GetTunnelID ());
if (tunnel->HandleTunnelBuildResponse (buf, len))
{
LogPrint (eLogInfo, "I2NP: Inbound tunnel ", tunnel->GetTunnelID (), " has been created");
tunnel->SetState (i2p::tunnel::eTunnelStateEstablished);
i2p::tunnel::tunnels.AddInboundTunnel (tunnel);
}
else
{
LogPrint (eLogInfo, "I2NP: Inbound tunnel ", tunnel->GetTunnelID (), " has been declined");
tunnel->SetState (i2p::tunnel::eTunnelStateBuildFailed);
}
return;
}
else
i2p::tunnel::HandleShortTransitTunnelBuildMsg (buf, len);
}
std::shared_ptr<I2NPMessage> CreateTunnelDataMsg (const uint8_t * buf) std::shared_ptr<I2NPMessage> CreateTunnelDataMsg (const uint8_t * buf)
{ {
auto msg = NewI2NPTunnelMessage (false); auto msg = NewI2NPTunnelMessage (false);
@ -554,41 +466,6 @@ namespace i2p
return l; return l;
} }
void HandleTunnelBuildI2NPMessage (std::shared_ptr<I2NPMessage> msg)
{
if (msg)
{
uint8_t typeID = msg->GetTypeID();
uint32_t msgID = msg->GetMsgID();
LogPrint (eLogDebug, "I2NP: Handling tunnel build message with len=", msg->GetLength(),", type=", (int)typeID, ", msgID=", (unsigned int)msgID);
uint8_t * payload = msg->GetPayload();
auto size = msg->GetPayloadLength();
switch (typeID)
{
case eI2NPVariableTunnelBuild:
HandleVariableTunnelBuildMsg (msgID, payload, size);
break;
case eI2NPShortTunnelBuild:
HandleShortTunnelBuildMsg (msgID, payload, size);
break;
case eI2NPVariableTunnelBuildReply:
HandleTunnelBuildReplyMsg (msgID, payload, size, false);
break;
case eI2NPShortTunnelBuildReply:
HandleTunnelBuildReplyMsg (msgID, payload, size, true);
break;
case eI2NPTunnelBuild:
HandleTunnelBuildMsg (payload, size);
break;
case eI2NPTunnelBuildReply:
// TODO:
break;
default:
LogPrint (eLogError, "I2NP: Unexpected message with type", (int)typeID, " during handling TBM; skipping");
}
}
}
void HandleI2NPMessage (std::shared_ptr<I2NPMessage> msg) void HandleI2NPMessage (std::shared_ptr<I2NPMessage> msg)
{ {
if (msg) if (msg)

1
libi2pd/I2NPProtocol.h
Unescape View File

@ -316,7 +316,6 @@ namespace tunnel
std::shared_ptr<I2NPMessage> CreateTunnelGatewayMsg (uint32_t tunnelID, std::shared_ptr<I2NPMessage> msg); std::shared_ptr<I2NPMessage> CreateTunnelGatewayMsg (uint32_t tunnelID, std::shared_ptr<I2NPMessage> msg);
size_t GetI2NPMessageLength (const uint8_t * msg, size_t len); size_t GetI2NPMessageLength (const uint8_t * msg, size_t len);
void HandleTunnelBuildI2NPMessage (std::shared_ptr<I2NPMessage> msg);
void HandleI2NPMessage (std::shared_ptr<I2NPMessage> msg); void HandleI2NPMessage (std::shared_ptr<I2NPMessage> msg);
class I2NPMessagesHandler class I2NPMessagesHandler

10
libi2pd/TransitTunnel.cpp
Unescape View File

@ -122,8 +122,11 @@ namespace tunnel
} }
} }
void HandleShortTransitTunnelBuildMsg (uint8_t * buf, size_t len) void HandleShortTransitTunnelBuildMsg (std::shared_ptr<I2NPMessage> msg)
{ {
if (!msg) return;
uint8_t * buf = msg->GetPayload();
size_t len = msg->GetPayloadLength();
int num = buf[0]; int num = buf[0];
LogPrint (eLogDebug, "TransitTunnel: ShortTunnelBuild ", num, " records"); LogPrint (eLogDebug, "TransitTunnel: ShortTunnelBuild ", num, " records");
if (num > i2p::tunnel::MAX_NUM_RECORDS) if (num > i2p::tunnel::MAX_NUM_RECORDS)
@ -359,8 +362,11 @@ namespace tunnel
return false; return false;
} }
void HandleVariableTransitTunnelBuildMsg (uint8_t * buf, size_t len) void HandleVariableTransitTunnelBuildMsg (std::shared_ptr<I2NPMessage> msg)
{ {
if (!msg) return;
uint8_t * buf = msg->GetPayload();
size_t len = msg->GetPayloadLength();
int num = buf[0]; int num = buf[0];
LogPrint (eLogDebug, "TransitTunnel: VariableTunnelBuild ", num, " records"); LogPrint (eLogDebug, "TransitTunnel: VariableTunnelBuild ", num, " records");
if (num > i2p::tunnel::MAX_NUM_RECORDS) if (num > i2p::tunnel::MAX_NUM_RECORDS)

4
libi2pd/TransitTunnel.h
Unescape View File

@ -109,8 +109,8 @@ namespace tunnel
const i2p::crypto::AESKey& layerKey, const i2p::crypto::AESKey& ivKey, const i2p::crypto::AESKey& layerKey, const i2p::crypto::AESKey& ivKey,
bool isGateway, bool isEndpoint); bool isGateway, bool isEndpoint);
void HandleShortTransitTunnelBuildMsg (uint8_t * buf, size_t len); void HandleShortTransitTunnelBuildMsg (std::shared_ptr<I2NPMessage> msg);
void HandleVariableTransitTunnelBuildMsg (uint8_t * buf, size_t len); void HandleVariableTransitTunnelBuildMsg (std::shared_ptr<I2NPMessage> msg);
} }
} }

102
libi2pd/Tunnel.cpp
Unescape View File

@ -533,13 +533,21 @@ namespace tunnel
break; break;
} }
case eI2NPVariableTunnelBuild:
case eI2NPVariableTunnelBuildReply:
case eI2NPShortTunnelBuild: case eI2NPShortTunnelBuild:
HandleShortTunnelBuildMsg (msg);
break;
case eI2NPVariableTunnelBuild:
HandleVariableTunnelBuildMsg (msg);
break;
case eI2NPShortTunnelBuildReply: case eI2NPShortTunnelBuildReply:
HandleTunnelBuildReplyMsg (msg, true);
break;
case eI2NPVariableTunnelBuildReply:
HandleTunnelBuildReplyMsg (msg, false);
break;
case eI2NPTunnelBuild: case eI2NPTunnelBuild:
case eI2NPTunnelBuildReply: case eI2NPTunnelBuildReply:
HandleTunnelBuildI2NPMessage (msg); LogPrint (eLogWarning, "Tunnel: TunnelBuild is too old for ECIES router");
break; break;
default: default:
LogPrint (eLogWarning, "Tunnel: Unexpected message type ", (int) typeID); LogPrint (eLogWarning, "Tunnel: Unexpected message type ", (int) typeID);
@ -613,6 +621,94 @@ namespace tunnel
tunnel->SendTunnelDataMsg (msg); tunnel->SendTunnelDataMsg (msg);
} }
void Tunnels::HandleShortTunnelBuildMsg (std::shared_ptr<I2NPMessage> msg)
{
if (!msg) return;
auto tunnel = GetPendingInboundTunnel (msg->GetMsgID()); // replyMsgID
if (tunnel)
{
// endpoint of inbound tunnel
LogPrint (eLogDebug, "Tunnel: ShortTunnelBuild reply for tunnel ", tunnel->GetTunnelID ());
if (tunnel->HandleTunnelBuildResponse (msg->GetPayload(), msg->GetPayloadLength()))
{
LogPrint (eLogInfo, "Tunnel: Inbound tunnel ", tunnel->GetTunnelID (), " has been created");
tunnel->SetState (eTunnelStateEstablished);
AddInboundTunnel (tunnel);
}
else
{
LogPrint (eLogInfo, "Tunnel: Inbound tunnel ", tunnel->GetTunnelID (), " has been declined");
tunnel->SetState (eTunnelStateBuildFailed);
}
return;
}
else
i2p::tunnel::HandleShortTransitTunnelBuildMsg (msg);
}
void Tunnels::HandleVariableTunnelBuildMsg (std::shared_ptr<I2NPMessage> msg)
{
auto tunnel = GetPendingInboundTunnel (msg->GetMsgID()); // replyMsgID
if (tunnel)
{
// endpoint of inbound tunnel
LogPrint (eLogDebug, "Tunnel: VariableTunnelBuild reply for tunnel ", tunnel->GetTunnelID ());
if (tunnel->HandleTunnelBuildResponse (msg->GetPayload(), msg->GetPayloadLength()))
{
LogPrint (eLogInfo, "Tunnel: Inbound tunnel ", tunnel->GetTunnelID (), " has been created");
tunnel->SetState (eTunnelStateEstablished);
AddInboundTunnel (tunnel);
}
else
{
LogPrint (eLogInfo, "Tunnel: Inbound tunnel ", tunnel->GetTunnelID (), " has been declined");
tunnel->SetState (eTunnelStateBuildFailed);
}
}
else
i2p::tunnel::HandleVariableTransitTunnelBuildMsg (msg);
}
void Tunnels::HandleTunnelBuildReplyMsg (std::shared_ptr<I2NPMessage> msg, bool isShort)
{
if (!msg) return;
uint8_t * buf = msg->GetPayload();
size_t len = msg->GetPayloadLength();
int num = buf[0];
LogPrint (eLogDebug, "Tunnel: TunnelBuildReplyMsg of ", num, " records replyMsgID=", msg->GetMsgID());
if (num > i2p::tunnel::MAX_NUM_RECORDS)
{
LogPrint (eLogError, "Tunnel: Too many records in TunnelBuildReply message ", num);
return;
}
size_t recordSize = isShort ? SHORT_TUNNEL_BUILD_RECORD_SIZE : TUNNEL_BUILD_RECORD_SIZE;
if (len < num*recordSize + 1)
{
LogPrint (eLogError, "Tunnel: TunnelBuildReply message of ", num, " records is too short ", len);
return;
}
auto tunnel = GetPendingOutboundTunnel (msg->GetMsgID()); // replyMsgID
if (tunnel)
{
// reply for outbound tunnel
if (tunnel->HandleTunnelBuildResponse (buf, len))
{
LogPrint (eLogInfo, "Tunnel: Outbound tunnel ", tunnel->GetTunnelID (), " has been created");
tunnel->SetState (eTunnelStateEstablished);
AddOutboundTunnel (tunnel);
}
else
{
LogPrint (eLogInfo, "Tunnel: Outbound tunnel ", tunnel->GetTunnelID (), " has been declined");
tunnel->SetState (eTunnelStateBuildFailed);
}
}
else
LogPrint (eLogWarning, "Tunnel: Pending tunnel for message ", msg->GetMsgID(), " not found");
}
void Tunnels::ManageTunnels (uint64_t ts) void Tunnels::ManageTunnels (uint64_t ts)
{ {
ManagePendingTunnels (ts); ManagePendingTunnels (ts);

3
libi2pd/Tunnel.h
Unescape View File

@ -257,6 +257,9 @@ namespace tunnel
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 (std::shared_ptr<TunnelBase> tunnel, std::shared_ptr<I2NPMessage> msg); void HandleTunnelGatewayMsg (std::shared_ptr<TunnelBase> tunnel, std::shared_ptr<I2NPMessage> msg);
void HandleShortTunnelBuildMsg (std::shared_ptr<I2NPMessage> msg);
void HandleVariableTunnelBuildMsg (std::shared_ptr<I2NPMessage> msg);
void HandleTunnelBuildReplyMsg (std::shared_ptr<I2NPMessage> msg, bool isShort);
void Run (); void Run ();
void ManageTunnels (uint64_t ts); void ManageTunnels (uint64_t ts);

Write Preview
Loading…
Cancel
Save