- c = channel_new(ctype, SSH_CHANNEL_CONNECTING,
- sock, sock, -1, CHAN_TCP_WINDOW_DEFAULT,
- CHAN_TCP_PACKET_DEFAULT, 0, xstrdup("direct-tcpip"), 1);
+ }
+
+ tun = packet_get_int();
+ if (forced_tun_device != -1) {
+ if (tun != SSH_TUNID_ANY && forced_tun_device != tun)
+ goto done;
+ tun = forced_tun_device;
+ }
+ sock = tun_open(tun, mode);
+ if (sock < 0)
+ goto done;
+ c = channel_new("tun", SSH_CHANNEL_OPEN, sock, sock, -1,
+ CHAN_TCP_WINDOW_DEFAULT, CHAN_TCP_PACKET_DEFAULT, 0, "tun", 1);
+ c->datagram = 1;
+#if defined(SSH_TUN_FILTER)
+ if (mode == SSH_TUNMODE_POINTOPOINT)
+ channel_register_filter(c->self, sys_tun_infilter,
+ sys_tun_outfilter, NULL, NULL);
+#endif
+
+ done:
+ if (c == NULL)
+ packet_send_debug("Failed to open the tunnel device.");