Revert "kernel-netlink: Don't fallback to peer address as gateway"

This reverts commit f717bb5249caea550bc6e2baeb09ca309ad83b39.

Causes issues in our testing environment. Default route via host is
preferred if no gateway is set in the installed routes.  Needs some
investigation.

References strongswan/strongswan#2548

diff --git a/src/libcharon/plugins/kernel_netlink/kernel_netlink_net.c b/src/libcharon/plugins/kernel_netlink/kernel_netlink_net.c
index 7d49d73b4ff94dd1eb915b793512f9cc9d2e9a85..416ae78116738d95ce4ee12e08214fb9192ed7e3 100644 (file)
--- a/src/libcharon/plugins/kernel_netlink/kernel_netlink_net.c
+++ b/src/libcharon/plugins/kernel_netlink/kernel_netlink_net.c
@@ -2075,6 +2075,10 @@ static host_t *get_route(private_kernel_netlink_net_t *this, host_t *dest,
                                *iface = get_interface_name_by_index(this, best->oif);
                        }
                }
+               if (!addr && !match_net)
+               {       /* fallback to destination address */
+                       addr = dest->clone(dest);
+               }
        }
        else
        {