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-rw-r--r--toxcore/net_crypto.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/toxcore/net_crypto.c b/toxcore/net_crypto.c
index ab0fb03a..0ed855bb 100644
--- a/toxcore/net_crypto.c
+++ b/toxcore/net_crypto.c
@@ -1647,7 +1647,12 @@ int set_direct_ip_port(Net_Crypto *c, int crypt_connection_id, IP_Port ip_port)
1647 1647
1648 if (!ipport_equal(&ip_port, &conn->ip_port)) { 1648 if (!ipport_equal(&ip_port, &conn->ip_port)) {
1649 if ((UDP_DIRECT_TIMEOUT + conn->direct_lastrecv_time) > unix_time()) { 1649 if ((UDP_DIRECT_TIMEOUT + conn->direct_lastrecv_time) > unix_time()) {
1650 if (LAN_ip(ip_port.ip) == 0 && LAN_ip(conn->ip_port.ip) == 0 && conn->ip_port.port == ip_port.port) 1650 /* We already know a LAN ip, no need to switch. */
1651 if (LAN_ip(conn->ip_port.ip) == 0)
1652 return -1;
1653
1654 /* Prefer ipv6. */
1655 if (conn->ip_port.ip.family == AF_INET6 && ip_port.ip.family == AF_INET)
1651 return -1; 1656 return -1;
1652 } 1657 }
1653 1658