diff options
Diffstat (limited to 'src/openvpn/tun.c')
| -rw-r--r-- | src/openvpn/tun.c | 24 |
1 files changed, 23 insertions, 1 deletions
diff --git a/src/openvpn/tun.c b/src/openvpn/tun.c index e479d4d..59e7436 100644 --- a/src/openvpn/tun.c +++ b/src/openvpn/tun.c @@ -631,6 +631,28 @@ void delete_route_connected_v6_net(struct tuntap * tt, } #endif +#if defined(TARGET_FREEBSD)||defined(TARGET_DRAGONFLY) +/* we can't use true subnet mode on tun on all platforms, as that + * conflicts with IPv6 (wants to use ND then, which we don't do), + * but the OSes want "a remote address that is different from ours" + * - so we construct one, normally the first in the subnet, but if + * this is the same as ours, use the second one. + * The actual address does not matter at all, as the tun interface + * is still point to point and no layer 2 resolution is done... + */ + +char * +create_arbitrary_remote( struct tuntap *tt, struct gc_arena * gc ) +{ + in_addr_t remote; + + remote = (tt->local & tt->remote_netmask) +1; + + if ( remote == tt->local ) remote ++; + + return print_in_addr_t (remote, 0, &gc); +} +#endif /* execute the ifconfig command through the shell */ void @@ -1155,7 +1177,7 @@ do_ifconfig (struct tuntap *tt, IFCONFIG_PATH, actual, ifconfig_local, - ifconfig_local, + create_arbitrary_remote( tt, &gc ), tun_mtu, ifconfig_remote_netmask ); |