bool status = false;
const char *device = tt->actual_name;
+ bool gateway_needed = false;
+
if (!r6->defined)
return;
* (not currently done for IPv6)
*/
+ /* On "tun" interface, we never set a gateway if the operating system
+ * can do "route to interface" - it does not add value, as the target
+ * dev already fully qualifies the route destination on point-to-point
+ * interfaces. OTOH, on "tap" interface, we must always set the
+ * gateway unless the route is to be an on-link network
+ */
+ if ( tt->type == DEV_TYPE_TAP &&
+ !(r6->metric_defined && r6->metric == 0 ) )
+ {
+ gateway_needed = true;
+ }
+
#if defined(TARGET_LINUX)
#ifdef ENABLE_IPROUTE
argv_printf (&argv, "%s -6 route add %s/%d dev %s",
network,
r6->netbits,
device);
+ if (gateway_needed)
+ argv_printf_cat (&argv, "via %s", gateway);
if (r6->metric_defined && r6->metric > 0 )
argv_printf_cat (&argv, " metric %d", r6->metric);
network,
r6->netbits,
device);
+ if (gateway_needed)
+ argv_printf_cat (&argv, "gw %s", gateway);
if (r6->metric_defined && r6->metric > 0 )
argv_printf_cat (&argv, " metric %d", r6->metric);
#endif /*ENABLE_IPROUTE*/
#elif defined(TARGET_FREEBSD) || defined(TARGET_DRAGONFLY)
- argv_printf (&argv, "%s add -inet6 %s/%d -iface %s",
+ argv_printf (&argv, "%s add -inet6 %s/%d",
ROUTE_PATH,
network,
- r6->netbits,
- device );
+ r6->netbits);
+
+ if (gateway_needed)
+ argv_printf_cat (&argv, "%s", gateway);
+ else
+ argv_printf_cat (&argv, "-iface %s", device);
argv_msg (D_ROUTE, &argv);
status = openvpn_execve_check (&argv, es, 0, "ERROR: *BSD route add -inet6 command failed");
#elif defined(TARGET_DARWIN)
- argv_printf (&argv, "%s add -inet6 %s -prefixlen %d -iface %s",
+ argv_printf (&argv, "%s add -inet6 %s -prefixlen %d",
ROUTE_PATH,
- network, r6->netbits, device );
+ network, r6->netbits );
+
+ if (gateway_needed)
+ argv_printf_cat (&argv, "%s", gateway);
+ else
+ argv_printf_cat (&argv, "-iface %s", device);
argv_msg (D_ROUTE, &argv);
status = openvpn_execve_check (&argv, es, 0, "ERROR: MacOS X route add -inet6 command failed");
const char *network;
const char *gateway;
const char *device = tt->actual_name;
+ bool gateway_needed = false;
if (!r6->defined)
return;
msg( M_INFO, "delete_route_ipv6(%s/%d)", network, r6->netbits );
+ /* if we used a gateway on "add route", we also need to specify it on
+ * delete, otherwise some OSes will refuse to delete the route
+ */
+ if ( tt->type == DEV_TYPE_TAP &&
+ !(r6->metric_defined && r6->metric == 0 ) )
+ {
+ gateway_needed = true;
+ }
+
+
#if defined(TARGET_LINUX)
#ifdef ENABLE_IPROUTE
argv_printf (&argv, "%s -6 route del %s/%d dev %s",
network,
r6->netbits,
device);
+ if (gateway_needed)
+ argv_printf_cat (&argv, "via %s", gateway);
#else
argv_printf (&argv, "%s -A inet6 del %s/%d dev %s",
ROUTE_PATH,
network,
r6->netbits,
device);
+ if (gateway_needed)
+ argv_printf_cat (&argv, "gw %s", gateway);
+ if (r6->metric_defined && r6->metric > 0 )
+ argv_printf_cat (&argv, " metric %d", r6->metric);
#endif /*ENABLE_IPROUTE*/
argv_msg (D_ROUTE, &argv);
openvpn_execve_check (&argv, es, 0, "ERROR: Linux route -6/-A inet6 del command failed");
#elif defined(TARGET_FREEBSD) || defined(TARGET_DRAGONFLY)
- argv_printf (&argv, "%s delete -inet6 %s/%d -iface %s",
+ argv_printf (&argv, "%s delete -inet6 %s/%d",
ROUTE_PATH,
network,
- r6->netbits,
- device );
+ r6->netbits );
+
+ if (gateway_needed)
+ argv_printf_cat (&argv, "%s", gateway);
+ else
+ argv_printf_cat (&argv, "-iface %s", device);
argv_msg (D_ROUTE, &argv);
openvpn_execve_check (&argv, es, 0, "ERROR: *BSD route delete -inet6 command failed");
#elif defined(TARGET_DARWIN)
- argv_printf (&argv, "%s delete -inet6 %s -prefixlen %d -iface %s",
+ argv_printf (&argv, "%s delete -inet6 %s -prefixlen %d",
ROUTE_PATH,
- network, r6->netbits, device );
+ network, r6->netbits );
+
+ if (gateway_needed)
+ argv_printf_cat (&argv, "%s", gateway);
+ else
+ argv_printf_cat (&argv, "-iface %s", device);
argv_msg (D_ROUTE, &argv);
- openvpn_execve_check (&argv, es, 0, "ERROR: *BSD route delete -inet6 command failed");
+ openvpn_execve_check (&argv, es, 0, "ERROR: MacOS X route delete -inet6 command failed");
#elif defined(TARGET_OPENBSD)