zeek/testing/btest/scripts/base/frameworks/intel/cluster-transparency.zeek
2023-04-26 20:00:44 +02:00

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# This test verifies intel data propagation via a cluster. The manager and both
# workers insert intel items, and both workers do lookups that we expect to hit.
# @TEST-PORT: BROKER_PORT1
# @TEST-PORT: BROKER_PORT2
# @TEST-PORT: BROKER_PORT3
#
# @TEST-EXEC: btest-bg-run manager-1 ZEEKPATH=$ZEEKPATH:.. CLUSTER_NODE=manager-1 zeek -b %INPUT
# @TEST-EXEC: btest-bg-run worker-1 ZEEKPATH=$ZEEKPATH:.. CLUSTER_NODE=worker-1 zeek -b %INPUT
# @TEST-EXEC: btest-bg-run worker-2 ZEEKPATH=$ZEEKPATH:.. CLUSTER_NODE=worker-2 zeek -b %INPUT
# @TEST-EXEC: btest-bg-wait 30
# @TEST-EXEC: TEST_DIFF_CANONIFIER=$SCRIPTS/diff-sort btest-diff manager-1/.stdout
# @TEST-EXEC: TEST_DIFF_CANONIFIER=$SCRIPTS/diff-sort btest-diff worker-1/.stdout
# @TEST-EXEC: TEST_DIFF_CANONIFIER=$SCRIPTS/diff-sort btest-diff worker-2/.stdout
# @TEST-EXEC: TEST_DIFF_CANONIFIER=$SCRIPTS/diff-remove-timestamps-and-sort btest-diff manager-1/intel.log
@TEST-START-FILE cluster-layout.zeek
redef Cluster::nodes = {
["manager-1"] = [$node_type=Cluster::MANAGER, $ip=127.0.0.1, $p=to_port(getenv("BROKER_PORT1"))],
["worker-1"] = [$node_type=Cluster::WORKER, $ip=127.0.0.1, $p=to_port(getenv("BROKER_PORT2")), $manager="manager-1"],
["worker-2"] = [$node_type=Cluster::WORKER, $ip=127.0.0.1, $p=to_port(getenv("BROKER_PORT3")), $manager="manager-1"],
};
@TEST-END-FILE
@load policy/frameworks/cluster/experimental
@load base/frameworks/intel
module Intel;
redef Log::default_rotation_interval=0sec;
event Cluster::Experimental::cluster_started()
{
# Insert the data once both workers are connected.
if ( Cluster::local_node_type() == Cluster::MANAGER )
Intel::insert([$indicator="1.2.3.4", $indicator_type=Intel::ADDR, $meta=[$source="manager"]]);
}
global log_writes = 0;
global worker_data = 0;
global sent_data = F;
# Watch for new indicators send to workers.
event Intel::insert_indicator(item: Intel::Item)
{
print fmt("new_indicator: %s inserted by %s", item$indicator, item$meta$source);
if ( ! sent_data )
{
# We wait to insert data here because we can now be sure the
# full cluster is constructed.
sent_data = T;
if ( Cluster::node == "worker-1" )
Intel::insert([$indicator="123.123.123.123", $indicator_type=Intel::ADDR, $meta=[$source="worker-1"]]);
if ( Cluster::node == "worker-2" )
Intel::insert([$indicator="4.3.2.1", $indicator_type=Intel::ADDR, $meta=[$source="worker-2"]]);
}
# Each worker does a lookup when it has 3 intel items which were
# distributed over the cluster (data inserted locally is resent).
# Worker 1 observes the host inserted by worker 2, and vice versa.
if ( Cluster::node == "worker-1" )
{
if ( ++worker_data == 3 )
{
print "seeing 4.3.2.1";
Intel::seen([$host=4.3.2.1, $where=Intel::IN_ANYWHERE]);
}
}
if ( Cluster::node == "worker-2" )
{
if ( ++worker_data == 3 )
{
print "seeing 123.123.123.123";
Intel::seen([$host=123.123.123.123, $where=Intel::IN_ANYWHERE]);
}
}
}
# Watch for remote inserts sent to the manager.
event Intel::insert_item(item: Intel::Item)
{
print fmt("insert_item: %s inserted by %s", item$indicator, item$meta$source);
}
# Watch for new items.
event Intel::new_item(item: Intel::Item)
{
print fmt("new_item triggered for %s by %s on %s", item$indicator,
item$meta$source, Cluster::node);
}
event Intel::log_intel(rec: Intel::Info)
{
if ( ++log_writes == 2 )
terminate();
}
event Cluster::node_down(name: string, id: string)
{
# Cascading termination
terminate();
}