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Release received packets when cold NAT priority defers PONG

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evgeny committed 2026-10-12 20:05:47 +02:00
1 parent bb01f243fe
commit 179aa0ef35
1 file changed
+3 -1
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src/transport_layer/etcp_connections.c
+3 -1
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@@ -1796,7 +1796,9 @@ static int handle_ping(struct ETCP_SOCKET* e_sock, struct ETCP_DGRAM* pkt, const
if ((flags & ETCP_PING_FLAG_OBSERVE) && (flags & ETCP_PING_FLAG_ADDRESS_CHECK)) { if ((flags & ETCP_PING_FLAG_OBSERVE) && (flags & ETCP_PING_FLAG_ADDRESS_CHECK)) {
DEBUG_WARN(DEBUG_CATEGORY_NAT, "UDP probe has incompatible flags=%02x", flags); return 7; DEBUG_WARN(DEBUG_CATEGORY_NAT, "UDP probe has incompatible flags=%02x", flags); return 7;
} }
if (!nat_detection_ping_allowed(e_sock->instance->nat_det, e_sock, decrypted_pubkey, addr, flags, udata, ulen)) return 0; if (!nat_detection_ping_allowed(e_sock->instance->nat_det, e_sock, decrypted_pubkey, addr, flags, udata, ulen)) {
memory_pool_free(e_sock->instance->pkt_pool, pkt); return 0;
}
if ((flags & ETCP_PING_FLAG_OBSERVE) && e_sock->instance->nat_det) { if ((flags & ETCP_PING_FLAG_OBSERVE) && e_sock->instance->nat_det) {
nat_detection_record_observation(e_sock->instance->nat_det, e_sock, decrypted_pubkey, addr, udata, ulen); nat_detection_record_observation(e_sock->instance->nat_det, e_sock, decrypted_pubkey, addr, udata, ulen);
} }