nat: distinguish EIM with unverified unsolicited ingress

src/routing_layer/topo_node.h

@@ -44,6 +44,7 @@ struct reality_client_config;
 #define ADDR_TYPE_NAT_STRICT  3
 #define ADDR_TYPE_NAT         4   /* за NAT, тип неизвестен */
 #define ADDR_TYPE_CONTACT     5   /* адрес не изменён, вход требует предварительного контакта */
+#define ADDR_TYPE_NAT_EIM_UNVERIFIED 6 /* EIM наблюдается, незнакомый вход не проверен: EIM? */
 
 #define PROBE_STATUS_NONE        0
 #define PROBE_STATUS_IN_PROGRESS 1

src/routing_layer/topo_node_sqlite.c

@@ -65,7 +65,8 @@ static int addr_type_from_ip(int family, const uint8_t* addr) {
 static int addr_type_classify(int kind, int config_type, int global, const struct address_profile *profile) {
     if (config_type == CFG_SERVER_TYPE_PRIVATE || config_type == CFG_SERVER_TYPE_LOCAL) return ADDR_TYPE_NETIF;
     if (!profile) return ADDR_TYPE_NAT;
-    if (profile->mapping == ADDRESS_MAP_EIM) return ADDR_TYPE_NAT_EIM;
+    if (profile->mapping == ADDRESS_MAP_EIM)
+        return profile->inbound == ADDRESS_IN_UNKNOWN ? ADDR_TYPE_NAT_EIM_UNVERIFIED : ADDR_TYPE_NAT_EIM;
     if (profile->mapping == ADDRESS_MAP_DEPENDENT) return ADDR_TYPE_NAT_STRICT;
     if (kind == TOPO_ADDR_NAT) return ADDR_TYPE_NAT;
     /* Публичный адрес интерфейса известен без определения входящих и не становится NAT из-за UNKNOWN. */
@@ -912,7 +913,7 @@ int topo_node_sqlite_nodeinfo_updated(sqlite3* db, uint64_t node_id) {
     }
 
     static const int at2type[] = { [ADDR_TYPE_NETIF]=1, [ADDR_TYPE_DIRECT]=1, [ADDR_TYPE_NAT_EIM]=2,
-        [ADDR_TYPE_NAT_STRICT]=1, [ADDR_TYPE_NAT]=2, [ADDR_TYPE_CONTACT]=2 };
+        [ADDR_TYPE_NAT_STRICT]=1, [ADDR_TYPE_NAT]=2, [ADDR_TYPE_CONTACT]=2, [ADDR_TYPE_NAT_EIM_UNVERIFIED]=2 };
     int base_type = best_at < 0 || (unsigned)best_at >= sizeof(at2type) / sizeof(at2type[0]) ? 0 : at2type[best_at];
     if (best_at >= 0 && (unsigned)best_at >= sizeof(at2type) / sizeof(at2type[0]))
         DEBUG_WARN(DEBUG_CATEGORY_BGP, "invalid projected address type=%d node=%016llx", best_at, (unsigned long long)node_id);