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Code Issues Releases Activity

correct publication verification for encrypted LeaseSet

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orignal 2024-03-07 10:25:10 -05:00
parent 92b49fb969
commit 66d0b7aec4
1 changed files with 42 additions and 17 deletions
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59
libi2pd/Destination.cpp
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@ -410,6 +410,7 @@ namespace client
}
i2p::data::IdentHash key (buf + DATABASE_STORE_KEY_OFFSET);
std::shared_ptr<i2p::data::LeaseSet> leaseSet;
std::shared_ptr<LeaseSetRequest> request;
switch (buf[DATABASE_STORE_TYPE_OFFSET])
{
case i2p::data::NETDB_STORE_TYPE_LEASESET: // 1
@ -465,34 +466,59 @@ namespace client
case i2p::data::NETDB_STORE_TYPE_ENCRYPTED_LEASESET2: // 5
{
auto it2 = m_LeaseSetRequests.find (key);
if (it2 != m_LeaseSetRequests.end () && it2->second->requestedBlindedKey)
{
auto ls2 = std::make_shared<i2p::data::LeaseSet2> (buf + offset, len - offset,
it2->second->requestedBlindedKey, m_LeaseSetPrivKey ? ((const uint8_t *)*m_LeaseSetPrivKey) : nullptr , GetPreferredCryptoType ());
if (ls2->IsValid () && !ls2->IsExpired ())
if (it2 != m_LeaseSetRequests.end ())
{
request = it2->second;
m_LeaseSetRequests.erase (it2);
if (request->requestedBlindedKey)
{
leaseSet = ls2;
std::lock_guard<std::mutex> lock(m_RemoteLeaseSetsMutex);
m_RemoteLeaseSets[ls2->GetIdentHash ()] = ls2; // ident is not key
m_RemoteLeaseSets[key] = ls2; // also store as key for next lookup
auto ls2 = std::make_shared<i2p::data::LeaseSet2> (buf + offset, len - offset,
request->requestedBlindedKey, m_LeaseSetPrivKey ? ((const uint8_t *)*m_LeaseSetPrivKey) : nullptr , GetPreferredCryptoType ());
if (ls2->IsValid () && !ls2->IsExpired ())
{
leaseSet = ls2;
std::lock_guard<std::mutex> lock(m_RemoteLeaseSetsMutex);
m_RemoteLeaseSets[ls2->GetIdentHash ()] = ls2; // ident is not key
m_RemoteLeaseSets[key] = ls2; // also store as key for next lookup
}
else
LogPrint (eLogError, "Destination: New remote encrypted LeaseSet2 failed");
}
else
LogPrint (eLogError, "Destination: New remote encrypted LeaseSet2 failed");
{
// publishing verification doesn't have requestedBlindedKey
auto localLeaseSet = GetLeaseSetMt ();
if (localLeaseSet->GetStoreHash () == key)
{
auto ls = std::make_shared<i2p::data::LeaseSet2> (i2p::data::NETDB_STORE_TYPE_ENCRYPTED_LEASESET2,
localLeaseSet->GetBuffer (), localLeaseSet->GetBufferLen (), false);
leaseSet = ls;
}
else
LogPrint (eLogWarning, "Destination: Encrypted LeaseSet2 received for request without blinded key");
}
}
else
LogPrint (eLogInfo, "Destination: Couldn't find request for encrypted LeaseSet2");
LogPrint (eLogWarning, "Destination: Couldn't find request for encrypted LeaseSet2");
break;
}
default:
LogPrint (eLogError, "Destination: Unexpected client's DatabaseStore type ", buf[DATABASE_STORE_TYPE_OFFSET], ", dropped");
}
auto it1 = m_LeaseSetRequests.find (key);
if (it1 != m_LeaseSetRequests.end ())
if (!request)
{
auto it1 = m_LeaseSetRequests.find (key);
if (it1 != m_LeaseSetRequests.end ())
{
request = it1->second;
m_LeaseSetRequests.erase (it1);
}
}
if (request)
{
it1->second->requestTimeoutTimer.cancel ();
if (it1->second) it1->second->Complete (leaseSet);
m_LeaseSetRequests.erase (it1);
request->requestTimeoutTimer.cancel ();
request->Complete (leaseSet);
}
}
@ -699,7 +725,6 @@ namespace client
{
// we got latest LeasetSet
LogPrint (eLogDebug, "Destination: Published LeaseSet verified for ", s->GetIdentHash().ToBase32());
s->m_ExcludedFloodfills.clear ();
s->m_PublishVerificationTimer.expires_from_now (boost::posix_time::seconds(PUBLISH_REGULAR_VERIFICATION_INTERNAL));
s->m_PublishVerificationTimer.async_wait (std::bind (&LeaseSetDestination::HandlePublishVerificationTimer, s, std::placeholders::_1));
return;