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nat: publish TCP external IPs with an unknown port

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evgeny committed 2026-10-17 19:46:33 +02:00
1 parent 5eb3526186
commit 6363c8b7ea
2 files changed
+20 -2
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src/routing_layer/topo_node.c
+16
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@@ -1219,6 +1219,14 @@ int topo_node_update_my_addresses(struct UTUN_INSTANCE* instance) {
memcpy(a->addr, &sin->sin_addr.s_addr, 4); a->port = ntohs(sin->sin_port);
a->type = TOPO_ADDR_INTERFACE; a->socket_id = ts->sock_id; a->protocol = proto;
a->next = v4_head; v4_head = a; }
if (ts->nat_addr.ss_family == AF_INET && ts->address_profile.source == ADDRESS_SOURCE_ETCP &&
ts->address_profile.mapping == ADDRESS_MAP_UNKNOWN) {
struct TOPO_ADDR4 *a = memory_pool_alloc(instance->topo_groups->v4_addr_pool);
if (!a) goto allocation_failed;
memcpy(a->addr, &((const struct sockaddr_in *)&ts->nat_addr)->sin_addr, 4);
a->port = 0; a->type = TOPO_ADDR_NAT; a->socket_id = ts->sock_id; a->protocol = proto;
a->next = v4_head; v4_head = a;
}
} else if (addr->ss_family == AF_INET6) {
struct sockaddr_in6* sin6 = (struct sockaddr_in6*)addr;
{ struct TOPO_SOCKMETA6* sm6 = memory_pool_alloc(instance->topo_groups->v6_sock_meta_pool);
@@ -1230,6 +1238,14 @@ int topo_node_update_my_addresses(struct UTUN_INSTANCE* instance) {
memcpy(a6->addr, &sin6->sin6_addr, 16); a6->port = ntohs(sin6->sin6_port);
a6->type = TOPO_ADDR_INTERFACE; a6->socket_id = ts->sock_id; a6->protocol = proto;
a6->next = v6_head; v6_head = a6; }
if (ts->nat_addr.ss_family == AF_INET6 && ts->address_profile.source == ADDRESS_SOURCE_ETCP &&
ts->address_profile.mapping == ADDRESS_MAP_UNKNOWN) {
struct TOPO_ADDR6 *a6 = memory_pool_alloc(instance->topo_groups->v6_addr_pool);
if (!a6) goto allocation_failed;
memcpy(a6->addr, &((const struct sockaddr_in6 *)&ts->nat_addr)->sin6_addr, 16);
a6->port = 0; a6->type = TOPO_ADDR_NAT; a6->socket_id = ts->sock_id; a6->protocol = proto;
a6->next = v6_head; v6_head = a6;
}
}
if (is_reality) {
struct TOPO_REALITY_SOCK* r = u_calloc(1, sizeof(struct TOPO_REALITY_SOCK));