zeek/testing/btest/scripts/base/frameworks/netcontrol/acld-hook.bro
Daniel Thayer f44bb4d9b8 Add script wrapper functions for broker BIFs
Also renamed the "print" function to "send_print" and the "event"
function to "send_event" because Bro shows a syntax error when a
Bro script function is named "event" or "print".
2016-04-26 18:10:30 -05:00

122 lines
3.5 KiB
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# @TEST-SERIALIZE: brokercomm
# @TEST-REQUIRES: grep -q ENABLE_BROKER $BUILD/CMakeCache.txt
# @TEST-EXEC: btest-bg-run recv "bro -b ../recv.bro broker_port=$BROKER_PORT >recv.out"
# @TEST-EXEC: btest-bg-run send "bro -b -r $TRACES/tls/ecdhe.pcap --pseudo-realtime ../send.bro broker_port=$BROKER_PORT >send.out"
# @TEST-EXEC: btest-bg-wait 20
# @TEST-EXEC: btest-diff recv/recv.out
# @TEST-EXEC: btest-diff send/send.out
@TEST-START-FILE send.bro
@load base/frameworks/netcontrol
const broker_port: port &redef;
redef exit_only_after_terminate = T;
event NetControl::init()
{
suspend_processing();
local netcontrol_acld = NetControl::create_acld(NetControl::AcldConfig($acld_host=127.0.0.1, $acld_port=broker_port, $acld_topic="bro/event/netcontroltest"));
NetControl::activate(netcontrol_acld, 0);
}
event NetControl::init_done()
{
continue_processing();
}
event Broker::outgoing_connection_established(peer_address: string,
peer_port: port,
peer_name: string)
{
print "Broker::outgoing_connection_established", peer_address, peer_port;
}
event Broker::outgoing_connection_broken(peer_address: string,
peer_port: port)
{
terminate();
}
hook NetControl::acld_rule_policy(p: NetControl::PluginState, r: NetControl::Rule, ar: NetControl::AclRule)
{
# use nullzero instead of drop for address drops
if ( r$ty == NetControl::DROP && r$entity$ty == NetControl::ADDRESS && ar$command == "drop" )
ar$command = "nullzero";
}
event connection_established(c: connection)
{
local id = c$id;
local flow1 = NetControl::Flow(
$src_h=addr_to_subnet(c$id$orig_h),
$dst_h=addr_to_subnet(c$id$resp_h)
);
local e1: NetControl::Entity = [$ty=NetControl::FLOW, $flow=flow1];
local r1: NetControl::Rule = [$ty=NetControl::DROP, $target=NetControl::FORWARD, $entity=e1, $expire=10hrs, $location="here"];
local flow2 = NetControl::Flow(
$dst_p=c$id$resp_p
);
local e2: NetControl::Entity = [$ty=NetControl::FLOW, $flow=flow2];
local r2: NetControl::Rule = [$ty=NetControl::DROP, $target=NetControl::FORWARD, $entity=e2, $expire=10hrs, $location="there"];
NetControl::add_rule(r1);
NetControl::add_rule(r2);
NetControl::drop_address(id$orig_h, 10hrs);
}
event NetControl::rule_added(r: NetControl::Rule, p: NetControl::PluginState, msg: string)
{
print "rule added", r$entity, r$ty;
NetControl::remove_rule(r$id);
}
event NetControl::rule_removed(r: NetControl::Rule, p: NetControl::PluginState, msg: string)
{
print "rule removed", r$entity, r$ty;
}
@TEST-END-FILE
@TEST-START-FILE recv.bro
@load base/frameworks/netcontrol
@load base/frameworks/broker
const broker_port: port &redef;
redef exit_only_after_terminate = T;
event bro_init()
{
Broker::enable();
Broker::subscribe_to_events("bro/event/netcontroltest");
Broker::listen(broker_port, "127.0.0.1");
}
event Broker::incoming_connection_established(peer_name: string)
{
print "Broker::incoming_connection_established";
}
event NetControl::acld_add_rule(id: count, r: NetControl::Rule, ar: NetControl::AclRule)
{
print "add_rule", id, r$entity, r$ty, ar;
Broker::send_event("bro/event/netcontroltest", Broker::event_args(NetControl::acld_rule_added, id, r, ar$command));
}
event NetControl::acld_remove_rule(id: count, r: NetControl::Rule, ar: NetControl::AclRule)
{
print "remove_rule", id, r$entity, r$ty, ar;
Broker::send_event("bro/event/netcontroltest", Broker::event_args(NetControl::acld_rule_removed, id, r, ar$command));
if ( r$cid == 4 )
terminate();
}
@TEST-END-FILE