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correct parsing of caught RouterInfo at IBGW and OBEP

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orignal 2023-04-27 21:37:30 -04:00
parent 0ce15ffc91
commit ead6a6dca3
3 changed files with 16 additions and 13 deletions
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25
libi2pd/NetDb.cpp
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@ -791,20 +791,23 @@ namespace data
LogPrint (eLogError, "NetDb: Database store msg with reply token is too short ", len, ". Dropped");
return;
}
auto deliveryStatus = CreateDeliveryStatusMsg (replyToken);
uint32_t tunnelID = bufbe32toh (buf + offset);
offset += 4;
if (!tunnelID) // send response directly
transports.SendMessage (buf + offset, deliveryStatus);
else
{
auto pool = i2p::tunnel::tunnels.GetExploratoryPool ();
auto outbound = pool ? pool->GetNextOutboundTunnel () : nullptr;
if (outbound)
outbound->SendTunnelDataMsgTo (buf + offset, tunnelID, deliveryStatus);
if (replyToken != 0xFFFFFFFFU) // if not caught on OBEP or IBGW
{
auto deliveryStatus = CreateDeliveryStatusMsg (replyToken);
if (!tunnelID) // send response directly
transports.SendMessage (buf + offset, deliveryStatus);
else
LogPrint (eLogWarning, "NetDb: No outbound tunnels for DatabaseStore reply found");
}
{
auto pool = i2p::tunnel::tunnels.GetExploratoryPool ();
auto outbound = pool ? pool->GetNextOutboundTunnel () : nullptr;
if (outbound)
outbound->SendTunnelDataMsgTo (buf + offset, tunnelID, deliveryStatus);
else
LogPrint (eLogWarning, "NetDb: No outbound tunnels for DatabaseStore reply found");
}
}
offset += 32;
}
// we must send reply back before this check

2
libi2pd/Tunnel.cpp
View file

@ -593,7 +593,7 @@ namespace tunnel
{
// transit DatabaseStore might contain new/updated RI
auto m = CopyI2NPMessage (msg);
memset (m->GetPayload () + DATABASE_STORE_REPLY_TOKEN_OFFSET, 0, 4); // no reply
memset (m->GetPayload () + DATABASE_STORE_REPLY_TOKEN_OFFSET, 0xFF, 4); // fake replyToken meaning no reply
i2p::data::netdb.PostI2NPMsg (m);
}
tunnel->SendTunnelDataMsg (msg);

2
libi2pd/TunnelEndpoint.cpp
View file

@ -331,7 +331,7 @@ namespace tunnel
else if (IsRouterInfoMsg (msg.data))
{
auto m = CopyI2NPMessage (msg.data);
memset (m->GetPayload () + DATABASE_STORE_REPLY_TOKEN_OFFSET, 0, 4); // no reply
memset (m->GetPayload () + DATABASE_STORE_REPLY_TOKEN_OFFSET, 0xFF, 4); // fake replyToken meaning no reply
i2p::data::netdb.PostI2NPMsg (m);
}
}