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don't handle PeerTest 1 with same nonce twice
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orignal 2024-10-27 12:24:22 -04:00
parent 608056dcd2
commit 79e8ccbb5b
1 changed files with 23 additions and 19 deletions
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42
libi2pd/SSU2Session.cpp
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@ -2162,29 +2162,33 @@ namespace transport
GetRemoteIdentity ()->GetIdentHash ());
if (session) // session with Charlie
{
m_Server.AddPeerTest (nonce, shared_from_this (), ts/1000);
auto packet = m_Server.GetSentPacketsPool ().AcquireShared ();
// Alice's RouterInfo
auto r = i2p::data::netdb.FindRouter (GetRemoteIdentity ()->GetIdentHash ());
if (r && (r->IsUnreachable () || !i2p::data::netdb.PopulateRouterInfoBuffer (r))) r = nullptr;
packet->payloadSize = r ? CreateRouterInfoBlock (packet->payload, m_MaxPayloadSize - len - 32, r) : 0;
if (!packet->payloadSize && r)
session->SendFragmentedMessage (CreateDatabaseStoreMsg (r));
if (packet->payloadSize + len + 48 > m_MaxPayloadSize)
{
// doesn't fit one message, send RouterInfo in separate message
if (m_Server.AddPeerTest (nonce, shared_from_this (), ts/1000))
{
auto packet = m_Server.GetSentPacketsPool ().AcquireShared ();
// Alice's RouterInfo
auto r = i2p::data::netdb.FindRouter (GetRemoteIdentity ()->GetIdentHash ());
if (r && (r->IsUnreachable () || !i2p::data::netdb.PopulateRouterInfoBuffer (r))) r = nullptr;
packet->payloadSize = r ? CreateRouterInfoBlock (packet->payload, m_MaxPayloadSize - len - 32, r) : 0;
if (!packet->payloadSize && r)
session->SendFragmentedMessage (CreateDatabaseStoreMsg (r));
if (packet->payloadSize + len + 48 > m_MaxPayloadSize)
{
// doesn't fit one message, send RouterInfo in separate message
uint32_t packetNum = session->SendData (packet->payload, packet->payloadSize, SSU2_FLAG_IMMEDIATE_ACK_REQUESTED);
packet->sendTime = ts;
session->m_SentPackets.emplace (packetNum, packet);
packet = m_Server.GetSentPacketsPool ().AcquireShared (); // new packet
}
// PeerTest to Charlie
packet->payloadSize += CreatePeerTestBlock (packet->payload + packet->payloadSize, m_MaxPayloadSize - packet->payloadSize, 2,
eSSU2PeerTestCodeAccept, GetRemoteIdentity ()->GetIdentHash (), buf + offset, len - offset);
packet->payloadSize += CreatePaddingBlock (packet->payload + packet->payloadSize, m_MaxPayloadSize - packet->payloadSize);
uint32_t packetNum = session->SendData (packet->payload, packet->payloadSize, SSU2_FLAG_IMMEDIATE_ACK_REQUESTED);
packet->sendTime = ts;
session->m_SentPackets.emplace (packetNum, packet);
packet = m_Server.GetSentPacketsPool ().AcquireShared (); // new packet
}
// PeerTest to Charlie
packet->payloadSize += CreatePeerTestBlock (packet->payload + packet->payloadSize, m_MaxPayloadSize - packet->payloadSize, 2,
eSSU2PeerTestCodeAccept, GetRemoteIdentity ()->GetIdentHash (), buf + offset, len - offset);
packet->payloadSize += CreatePaddingBlock (packet->payload + packet->payloadSize, m_MaxPayloadSize - packet->payloadSize);
uint32_t packetNum = session->SendData (packet->payload, packet->payloadSize, SSU2_FLAG_IMMEDIATE_ACK_REQUESTED);
packet->sendTime = ts;
session->m_SentPackets.emplace (packetNum, packet);
else
LogPrint (eLogInfo, "SSU2: Peer test 1 nonce ", nonce, " already exists. Ignored");
}
else
{