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do not complain about existing routes

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This commit is contained in:
Martin Willi
2008-07-16 12:30:47 +00:00
parent 08ab369b8c
commit 7b9e1ff0fd
1 changed files with 22 additions and 8 deletions
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src/charon/kernel/kernel_interface.c
+22 -8
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@@ -1090,6 +1090,11 @@ static status_t netlink_send_ack(private_kernel_interface_t *this,
if (err->error)
{
if (-err->error == EEXIST)
{ /* do not report existing routes */
free(out);
return ALREADY_DONE;
}
DBG1(DBG_KNL, "received netlink error: %s (%d)",
strerror(-err->error), -err->error);
free(out);
@@ -2737,17 +2742,26 @@ static status_t add_policy(private_kernel_interface_t *this,
/* get the nexthop to src (src as we are in POLICY_FWD).*/
policy->route->gateway = get_route(this, src, TRUE);
policy->route->if_index = get_interface_index(this, dst);
policy->route->dst_net = chunk_alloc(policy->sel.family == AF_INET ? 4 : 16);
memcpy(policy->route->dst_net.ptr, &policy->sel.saddr, policy->route->dst_net.len);
policy->route->dst_net = chunk_alloc(
policy->sel.family == AF_INET ? 4 : 16);
memcpy(policy->route->dst_net.ptr, &policy->sel.saddr,
policy->route->dst_net.len);
policy->route->prefixlen = policy->sel.prefixlen_s;
if (manage_srcroute(this, RTM_NEWROUTE, NLM_F_CREATE | NLM_F_EXCL,
policy->route) != SUCCESS)
switch (manage_srcroute(this, RTM_NEWROUTE,
NLM_F_CREATE | NLM_F_EXCL, policy->route))
{
DBG1(DBG_KNL, "unable to install source route for %H",
policy->route->src_ip);
route_entry_destroy(policy->route);
policy->route = NULL;
default:
DBG1(DBG_KNL, "unable to install source route for %H",
policy->route->src_ip);
/* FALL */
case ALREADY_DONE:
/* route exists, do not uninstall */
route_entry_destroy(policy->route);
policy->route = NULL;
break;
case SUCCESS:
break;
}
}
else