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refresh offline transient on destination service

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acetone
2026-06-22 21:57:06 +03:00
parent 4941e1307b
commit 6d79da0e2f
3 changed files with 25 additions and 9 deletions
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libi2pd/Destination.cpp
+13 -9
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@@ -1169,17 +1169,21 @@ namespace client
void ClientDestination::UpdateOfflineSignature (const i2p::data::PrivateKeys& keys)
{
// Adopt a newer offline transient of the same identity in place: swap keys and
// republish the LeaseSet, keeping tunnels and streams (unlike SetPrivateKeys).
if (!keys.IsOfflineSignature () || !m_Keys.IsOfflineSignature ()) return;
if (keys.GetPublic ()->GetIdentHash () != GetIdentHash ()) return;
const uint32_t expires = bufbe32toh (keys.GetOfflineSignature ().data ());
if (expires <= bufbe32toh (m_Keys.GetOfflineSignature ().data ())) return; // only move forward
LogPrint (eLogInfo, "Destination: Refreshing offline signature for ",
GetIdentHash ().ToBase32 (), ", transient expires ", expires);
// Adopt a newer offline transient of the same identity in place, on the
// destination's service so it stays single-threaded with LeaseSet and stream
// signing. Only the transient is refreshed, the identity is unchanged.
if (!keys.IsOfflineSignature ()) return;
boost::asio::post (GetService (), [s = GetSharedFromThis (), keys]()
{
s->m_Keys = keys;
if (!s->m_Keys.IsOfflineSignature ()) return;
if (keys.GetPublic ()->GetIdentHash () != s->GetIdentHash ()) return;
const auto& next = keys.GetOfflineSignature ();
const auto& cur = s->m_Keys.GetOfflineSignature ();
if (next == cur) return; // same transient
if (bufbe32toh (next.data ()) < bufbe32toh (cur.data ())) return; // do not shorten validity
LogPrint (eLogInfo, "Destination: Refreshing offline signature for ",
s->GetIdentHash ().ToBase32 (), ", transient expires ", bufbe32toh (next.data ()));
s->m_Keys.UpdateOfflineSignature (keys);
s->UpdateLeaseSet ();
});
}