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authorHans Dedecker <dedeckeh@gmail.com>2015-09-28 08:51:06 +0200
committerSteven Barth <steven@midlink.org>2015-09-29 08:27:15 +0200
commit97542f03f2c6750dc454b660c6c6331ba9377506 (patch)
tree90a0069ac9a6185ff8d11519854cc473406c8b8c /interface-ip.c
parente5faaa6aa420a4d144cd13350de971b6d855b231 (diff)
interface-ip: Re-enable iif lo policy rules after main table lookup
Diffstat (limited to 'interface-ip.c')
-rw-r--r--interface-ip.c23
1 files changed, 22 insertions, 1 deletions
diff --git a/interface-ip.c b/interface-ip.c
index a177557..51a44ac 100644
--- a/interface-ip.c
+++ b/interface-ip.c
@@ -133,6 +133,23 @@ static int set_ip_source_policy(bool add, bool v6, unsigned int priority,
return (add) ? system_add_iprule(&rule) : system_del_iprule(&rule);
}
+static int set_ip_lo_policy(bool add, bool v6, struct interface *iface)
+{
+ struct iprule rule = {
+ .flags = IPRULE_IN | IPRULE_LOOKUP | IPRULE_PRIORITY,
+ .priority = IPRULE_PRIORITY_NW + iface->l3_dev.dev->ifindex,
+ .lookup = (v6) ? iface->ip6table : iface->ip4table,
+ .in_dev = "lo"
+ };
+
+ if (!rule.lookup)
+ return 0;
+
+ rule.flags |= (v6) ? IPRULE_INET6 : IPRULE_INET4;
+
+ return (add) ? system_add_iprule(&rule) : system_del_iprule(&rule);
+}
+
static bool
__find_ip_addr_target(struct interface_ip_settings *ip, union if_addr *a, bool v6)
{
@@ -1283,9 +1300,13 @@ void interface_ip_set_enabled(struct interface_ip_settings *ip, bool enabled)
if (!strcmp(a->name, ip->iface->name))
interface_set_prefix_address(a, c, ip->iface, enabled);
- if (ip->iface && ip->iface->l3_dev.dev)
+ if (ip->iface && ip->iface->l3_dev.dev) {
+ set_ip_lo_policy(enabled, true, ip->iface);
+ set_ip_lo_policy(enabled, false, ip->iface);
+
set_ip_source_policy(enabled, true, IPRULE_PRIORITY_REJECT + ip->iface->l3_dev.dev->ifindex,
NULL, 0, 0, ip->iface, "failed_policy");
+ }
}
void