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net: Remove forcedinbound limit antifeature

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This commit is contained in:
Luke Dashjr 2023-11-10 19:58:15 +00:00
parent b0d90d2885
commit a2225405a5
3 changed files with 0 additions and 21 deletions
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8
src/net.cpp
View File

@ -1731,7 +1731,6 @@ void CConnman::CreateNodeFromAcceptedSocket(std::unique_ptr<Sock>&& sock,
const CAddress& addr)
{
int nInbound = 0;
int nForced{0};
AddWhitelistPermissionFlags(permission_flags, addr, vWhitelistedRangeIncoming);
@ -1739,7 +1738,6 @@ void CConnman::CreateNodeFromAcceptedSocket(std::unique_ptr<Sock>&& sock,
LOCK(m_nodes_mutex);
for (const CNode* pnode : m_nodes) {
if (pnode->IsInboundConn()) nInbound++;
if (pnode->m_forced_inbound) nForced++;
}
}
@ -1780,12 +1778,6 @@ void CConnman::CreateNodeFromAcceptedSocket(std::unique_ptr<Sock>&& sock,
bool forced{false};
if (nInbound >= m_max_inbound)
{
// Protect from force evicting everyone
if (nForced >= MAX_FORCED_INBOUND_CONNECTIONS) {
LogPrint(BCLog::NET, "connection from %s dropped (too many forced inbound)\n", addr.ToStringAddrPort());
return;
}
// If the inbound connection attempt is granted ForceInbound permission, try a little harder
// to make room by evicting a peer we may not have otherwise evicted.
if (!AttemptToEvictConnection(NetPermissions::HasFlag(permission_flags, NetPermissionFlags::ForceInbound))) {

2
src/net.h
View File

@ -85,8 +85,6 @@ static const int64_t DEFAULT_PEER_CONNECT_TIMEOUT = 60;
static const int NUM_FDS_MESSAGE_CAPTURE = 1;
/** Interval for ASMap Health Check **/
static constexpr std::chrono::hours ASMAP_HEALTH_CHECK_INTERVAL{24};
/** Maximum number of forced inbound connections **/
static const int MAX_FORCED_INBOUND_CONNECTIONS{8};
static constexpr bool DEFAULT_FORCEDNSSEED{false};
static constexpr bool DEFAULT_DNSSEED{true};

11
test/functional/p2p_eviction.py
View File

@ -160,16 +160,5 @@ class P2PEvict(BitcoinTestFramework):
with node.assert_debug_log(["failed to find an eviction candidate - connection dropped (full)"]):
node.add_p2p_connection(RejectedPeer(), supports_v2_p2p=False, wait_for_verack=False)
self.log.debug("Fill force_inbound slots")
for i in range(7):
allowed_peers.append(node.add_p2p_connection(P2PInterface(), dstport=30202))
self.log.debug("ForceInbound gets rejected after 8 evictions")
with node.assert_debug_log([f"dropped (too many forced inbound)"]):
node.add_p2p_connection(RejectedPeer(), supports_v2_p2p=False, dstport=30202, wait_for_verack=False)
assert_equal(len(node.getpeerinfo()), 10)
assert [peer.is_connected for peer in allowed_peers]
if __name__ == '__main__':
P2PEvict(__file__).main()