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platform: add and use nm_platform_ip_route_normalize()

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Adding a route to kernel may coerce/mangle some properties. Add a function
nm_platform_ip_route_normalize() to simulate these changes.
This commit is contained in:
Thomas Haller
2017-08-17 13:37:21 +02:00
parent 990a050aff
commit 69a50a5053
4 changed files with 44 additions and 21 deletions
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14
src/platform/nm-linux-platform.c
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@@ -5836,30 +5836,20 @@ ip_route_add (NMPlatform *platform,
{
nm_auto_nlmsg struct nl_msg *nlmsg = NULL;
NMPObject obj;
NMPlatformIP4Route *r4;
NMPlatformIP6Route *r6;
switch (addr_family) {
case AF_INET:
nmp_object_stackinit (&obj, NMP_OBJECT_TYPE_IP4_ROUTE, (const NMPlatformObject *) route);
r4 = NMP_OBJECT_CAST_IP4_ROUTE (&obj);
r4->network = nm_utils_ip4_address_clear_host_address (r4->network, r4->plen);
r4->rt_source = nmp_utils_ip_config_source_round_trip_rtprot (r4->rt_source),
r4->scope_inv = nm_platform_route_scope_inv (!r4->gateway
? RT_SCOPE_LINK : RT_SCOPE_UNIVERSE);
break;
case AF_INET6:
nmp_object_stackinit (&obj, NMP_OBJECT_TYPE_IP6_ROUTE, (const NMPlatformObject *) route);
r6 = NMP_OBJECT_CAST_IP6_ROUTE (&obj);
nm_utils_ip6_address_clear_host_address (&r6->network, &r6->network, r6->plen);
r6->rt_source = nmp_utils_ip_config_source_round_trip_rtprot (r6->rt_source),
r6->metric = nm_utils_ip6_route_metric_normalize (r6->metric);
nm_utils_ip6_address_clear_host_address (&r6->src, &r6->src, r6->src_plen);
break;
default:
nm_assert_not_reached ();
}
nm_platform_ip_route_normalize (addr_family, NMP_OBJECT_CAST_IP_ROUTE (&obj));
nlmsg = _nl_msg_new_route (RTM_NEWROUTE, flags, &obj);
if (!nlmsg)
g_return_val_if_reached (FALSE);