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chore: fix memory safety issues

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This commit is contained in:
jpk68
2026-08-18 15:43:44 -04:00
parent 4fa515b4fe
commit 67404cd82f
7 changed files with 85 additions and 15 deletions
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libi2pd/SSU2Session.cpp
+6 -3
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@@ -2283,7 +2283,8 @@ namespace transport
if (!r) LogPrint (eLogWarning, "SSU2: RelayRequest Alice's router info not found");
auto packet = m_Server.GetSentPacketsPool ().AcquireShared ();
packet->payloadSize = r ? CreateRouterInfoBlock (packet->payload, m_MaxPayloadSize - len - 32, r) : 0;
size_t riMaxLen = (len + 32 < m_MaxPayloadSize) ? m_MaxPayloadSize - len - 32 : 0;
packet->payloadSize = r ? CreateRouterInfoBlock (packet->payload, riMaxLen, r) : 0;
if (!packet->payloadSize && r)
session->SendFragmentedMessage (CreateDatabaseStoreMsg (r));
packet->payloadSize += CreateRelayIntroBlock (packet->payload + packet->payloadSize, m_MaxPayloadSize - packet->payloadSize, buf + 1, len - 1);
@@ -2526,7 +2527,8 @@ namespace transport
// 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;
size_t riMaxLen = (len + 32 < m_MaxPayloadSize) ? m_MaxPayloadSize - len - 32 : 0;
packet->payloadSize = r ? CreateRouterInfoBlock (packet->payload, riMaxLen, r) : 0;
if (!packet->payloadSize && r)
session->SendFragmentedMessage (CreateDatabaseStoreMsg (r));
if (packet->payloadSize + len + 48 > m_MaxPayloadSize)
@@ -2645,7 +2647,8 @@ namespace transport
// Charlie'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;
size_t riMaxLen = (len + 32 < m_MaxPayloadSize) ? m_MaxPayloadSize - len - 32 : 0;
packet->payloadSize = r ? CreateRouterInfoBlock (packet->payload, riMaxLen, r) : 0;
if (!packet->payloadSize && r)
aliceSession->SendFragmentedMessage (CreateDatabaseStoreMsg (r));
if (packet->payloadSize + len + 16 > m_MaxPayloadSize)