openwrt-routing/mcproxy/patches/0006-block-ingress.patch

91 lines
4.0 KiB
Diff

Index: mcproxy-2017-08-24-93b5ace42268160ebbfff4c61818fb15fa2d9b99/mcproxy/src/proxy/proxy_instance.cpp
===================================================================
--- mcproxy-2017-08-24-93b5ace42268160ebbfff4c61818fb15fa2d9b99.orig/mcproxy/src/proxy/proxy_instance.cpp
+++ mcproxy-2017-08-24-93b5ace42268160ebbfff4c61818fb15fa2d9b99/mcproxy/src/proxy/proxy_instance.cpp
@@ -171,6 +171,9 @@ void proxy_instance::worker_thread()
HC_LOG_TRACE("");
while (m_running) {
auto msg = m_job_queue.dequeue();
+
+ HC_LOG_DEBUG("Proxy Message: " << msg->get_message_type_name(msg->get_type()) );
+
switch (msg->get_type()) {
case proxy_msg::TEST_MSG:
(*msg)();
@@ -193,25 +196,66 @@ void proxy_instance::worker_thread()
}
break;
case proxy_msg::GROUP_RECORD_MSG: {
- auto r = std::static_pointer_cast<group_record_msg>(msg);
+ auto gr = std::static_pointer_cast<group_record_msg>(msg);
if (m_in_debug_testing_mode) {
std::cout << "!!--ACTION: receive record" << std::endl;
- std::cout << *r << std::endl;
+ std::cout << *gr << std::endl;
std::cout << std::endl;
}
- auto it = m_downstreams.find(r->get_if_index());
+ auto slist = gr->get_slist();
+ addr_storage saddr;
+ if (slist.empty()) {
+ saddr = "0.0.0.0";
+ } else {
+ saddr = slist.begin()->saddr;
+ }
+ auto it = m_downstreams.find(gr->get_if_index());
if (it != std::end(m_downstreams)) {
- it->second.m_querier->receive_record(msg);
+ // Check for input filters
+ if (!it->second.m_interface->match_input_filter(interfaces::get_if_name(gr->get_if_index()), saddr, gr->get_gaddr()))
+ {
+ HC_LOG_DEBUG("group report " << gr->get_gaddr() << " filtered");
+ }
+ else
+ {
+ it->second.m_querier->receive_record(msg);
+ }
} else {
- HC_LOG_DEBUG("failed to find querier of interface: " << interfaces::get_if_name(std::static_pointer_cast<timer_msg>(msg)->get_if_index()));
+ HC_LOG_DEBUG("failed to find querier of interface: " << interfaces::get_if_name( gr->get_if_index() ));
}
- }
+ }
+ break;
+ case proxy_msg::NEW_SOURCE_MSG: {
+ auto sm = std::static_pointer_cast<new_source_msg>(msg);
+ // Find the interface
+ std::shared_ptr<interface> interf;
+ auto it = m_downstreams.find(sm->get_if_index());
+ if (it != std::end(m_downstreams)) {
+ interf = it->second.m_interface;
+ } else {
+ for (auto & e : m_upstreams) {
+ if (e.m_if_index == sm->get_if_index()) {
+ interf = e.m_interface;
+ break;
+ }
+ }
+ }
+ if ( !interf )
+ {
+ HC_LOG_DEBUG("failed to find interface: " << interfaces::get_if_name( sm->get_if_index() ) << " for Source message " << sm->get_saddr() << " | " << sm->get_gaddr() );
+ break;
+ }
+ // Check for input filters
+ if (!interf->match_input_filter(interfaces::get_if_name(sm->get_if_index()), sm->get_saddr(), sm->get_gaddr()))
+ {
+ HC_LOG_DEBUG("source " << sm->get_saddr() << " | " << sm->get_gaddr() << " filtered");
+ } else {
+ m_routing_management->event_new_source(msg);
+ }
+ }
break;
- case proxy_msg::NEW_SOURCE_MSG:
- m_routing_management->event_new_source(msg);
- break;
case proxy_msg::NEW_SOURCE_TIMER_MSG:
m_routing_management->timer_triggerd_maintain_routing_table(msg);
break;