trap-manager: Allow local address to be unspecified

If there is currently no route to reach the other peer we just default
to left=%any.  The local address is only really used to resolve
leftsubnet=%dynamic anyway (and perhaps for MIPv6 proxy transport mode).

Fixes #1375.

diff --git a/src/libcharon/sa/trap_manager.c b/src/libcharon/sa/trap_manager.c
index 7eb99caae1329d6c1e70c84bce0d4f72b18d4dba..40a0682f2b67e2b56cdfa4a4100c9cf6d484b314 100644 (file)
--- a/src/libcharon/sa/trap_manager.c
+++ b/src/libcharon/sa/trap_manager.c
@@ -197,9 +197,7 @@ METHOD(trap_manager_t, install, uint32_t,
                        me = charon->kernel->get_source_addr(charon->kernel, other, NULL);
                        if (!me)
                        {
-                               DBG1(DBG_CFG, "installing trap failed, local address unknown");
-                               other->destroy(other);
-                               return 0;
+                               me = host_create_any(other->get_family(other));
                        }
                        me->set_port(me, ike_cfg->get_my_port(ike_cfg));
                }