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check if address is still introducer before trying to introduce

pull/2076/head
orignal 4 months ago
parent
commit
ff8941af71
  1. 14
      libi2pd/SSU2.cpp
  2. 14
      libi2pd/SSU2Session.cpp

14
libi2pd/SSU2.cpp

@ -785,8 +785,12 @@ namespace transport @@ -785,8 +785,12 @@ namespace transport
auto it1 = m_SessionsByRouterHash.find (it.iH);
if (it1 != m_SessionsByRouterHash.end ())
{
it1->second->Introduce (session, it.iTag);
return;
auto addr = it1->second->GetAddress ();
if (addr && addr->IsIntroducer ())
{
it1->second->Introduce (session, it.iTag);
return;
}
}
else
indices.push_back(i);
@ -815,12 +819,12 @@ namespace transport @@ -815,12 +819,12 @@ namespace transport
{
relayTag = introducer.iTag;
addr = address->IsV6 () ? r->GetSSU2V6Address () : r->GetSSU2V4Address ();
if (addr && !addr->host.is_unspecified () && addr->port &&
if (addr && addr->IsIntroducer () && !addr->host.is_unspecified () && addr->port &&
!i2p::transport::transports.IsInReservedRange(addr->host))
break;
else
{
// address is invalid try another SSU2 address if exists
// address is invalid or not intrudcer, try another SSU2 address if exists
if (address->IsV4 ())
{
if (i2p::context.SupportsV6 ())
@ -831,7 +835,7 @@ namespace transport @@ -831,7 +835,7 @@ namespace transport
if (i2p::context.SupportsV4 ())
addr = r->GetSSU2V4Address ();
}
if (addr && !addr->host.is_unspecified () && addr->port &&
if (addr && addr->IsIntroducer () && !addr->host.is_unspecified () && addr->port &&
!i2p::transport::transports.IsInReservedRange(addr->host))
break;
else

14
libi2pd/SSU2Session.cpp

@ -1125,6 +1125,13 @@ namespace transport @@ -1125,6 +1125,13 @@ namespace transport
LogPrint (eLogError, "SSU2: RouterInfo in SessionConfirmed is from future for ", (ri->GetTimestamp () - ts)/1000LL, " seconds");
return false;
}
// update RouterInfo in netdb
ri = i2p::data::netdb.AddRouterInfo (ri->GetBuffer (), ri->GetBufferLen ()); // ri points to one from netdb now
if (!ri)
{
LogPrint (eLogError, "SSU2: Couldn't update RouterInfo from SessionConfirmed in netdb");
return false;
}
m_Address = m_RemoteEndpoint.address ().is_v6 () ? ri->GetSSU2V6Address () : ri->GetSSU2V4Address ();
if (!m_Address || memcmp (S, m_Address->s, 32))
{
@ -1139,13 +1146,6 @@ namespace transport @@ -1139,13 +1146,6 @@ namespace transport
" and actual endpoint ", m_RemoteEndpoint.address (), " from ", i2p::data::GetIdentHashAbbreviation (ri->GetIdentHash ()));
return false;
}
// update RouterInfo in netdb
ri = i2p::data::netdb.AddRouterInfo (ri->GetBuffer (), ri->GetBufferLen ()); // ri points to one from netdb now
if (!ri)
{
LogPrint (eLogError, "SSU2: Couldn't update RouterInfo from SessionConfirmed in netdb");
return false;
}
SetRemoteIdentity (ri->GetRouterIdentity ());
AdjustMaxPayloadSize ();
m_Server.AddSessionByRouterHash (shared_from_this ()); // we know remote router now

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