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drop incoming SSU2 session from duplicated router

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orignal 2024-07-08 10:39:18 -04:00
parent 4e5f5c218a
commit 8c0a1197d7
2 changed files with 9 additions and 7 deletions
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1
libi2pd/Profiling.h
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@ -66,6 +66,7 @@ namespace data
bool IsUpdated () const { return m_IsUpdated; };
bool IsUseful() const;
bool IsDuplicated () const { return m_IsDuplicated; };
private:

15
libi2pd/SSU2Session.cpp
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@ -1132,10 +1132,14 @@ namespace transport
LogPrint (eLogError, "SSU2: Couldn't update RouterInfo from SessionConfirmed in netdb");
return false;
}
bool isOlder = false;
std::shared_ptr<i2p::data::RouterProfile> profile; // not null if older
if (ri->GetTimestamp () + i2p::data::NETDB_EXPIRATION_TIMEOUT_THRESHOLD*1000LL < ri1->GetTimestamp ())
{
// received RouterInfo is older than one in netdb
isOlder = true;
profile = i2p::data::GetRouterProfile (ri->GetIdentHash ()); // retrieve profile
if (profile && profile->IsDuplicated ())
return false;
}
ri = ri1;
m_Address = m_RemoteEndpoint.address ().is_v6 () ? ri->GetSSU2V6Address () : ri->GetSSU2V4Address ();
@ -1148,11 +1152,8 @@ namespace transport
(!m_RemoteEndpoint.address ().is_v6 () ||
memcmp (m_RemoteEndpoint.address ().to_v6 ().to_bytes ().data (), m_Address->host.to_v6 ().to_bytes ().data (), 8))) // temporary address
{
if (isOlder)
{
auto profile = i2p::data::GetRouterProfile (ri->GetIdentHash ());
if (profile) profile->Duplicated (); // mark router as duplicated in profile
}
if (profile) // older router?
profile->Duplicated (); // mark router as duplicated in profile
else
LogPrint (eLogError, "SSU2: Host mismatch between published address ", m_Address->host,
" and actual endpoint ", m_RemoteEndpoint.address (), " from ", i2p::data::GetIdentHashAbbreviation (ri->GetIdentHash ()));