diff options
Diffstat (limited to 'test/functional/p2p_leak.py')
| -rwxr-xr-x | test/functional/p2p_leak.py | 77 |
1 files changed, 35 insertions, 42 deletions
diff --git a/test/functional/p2p_leak.py b/test/functional/p2p_leak.py index 2fc5245241..4b32d60db0 100755 --- a/test/functional/p2p_leak.py +++ b/test/functional/p2p_leak.py @@ -15,21 +15,19 @@ import time from test_framework.messages import ( msg_getaddr, msg_ping, - msg_verack, msg_version, ) -from test_framework.mininode import mininode_lock, P2PInterface +from test_framework.p2p import P2PInterface from test_framework.test_framework import BitcoinTestFramework from test_framework.util import ( assert_equal, assert_greater_than_or_equal, - wait_until, ) DISCOURAGEMENT_THRESHOLD = 100 -class CLazyNode(P2PInterface): +class LazyPeer(P2PInterface): def __init__(self): super().__init__() self.unexpected_msg = False @@ -42,6 +40,7 @@ class CLazyNode(P2PInterface): def on_open(self): self.ever_connected = True + # Does not respond to "version" with "verack" def on_version(self, message): self.bad_message(message) def on_verack(self, message): self.bad_message(message) def on_inv(self, message): self.bad_message(message) @@ -64,21 +63,8 @@ class CLazyNode(P2PInterface): def on_blocktxn(self, message): self.bad_message(message) -# Node that never sends a version. We'll use this to send a bunch of messages -# anyway, and eventually get disconnected. -class CNodeNoVersionMisbehavior(CLazyNode): - pass - - -# Node that never sends a version. This one just sits idle and hopes to receive -# any message (it shouldn't!) -class CNodeNoVersionIdle(CLazyNode): - def __init__(self): - super().__init__() - - -# Node that sends a version but not a verack. -class CNodeNoVerackIdle(CLazyNode): +# Peer that sends a version but not a verack. +class NoVerackIdlePeer(LazyPeer): def __init__(self): self.version_received = False super().__init__() @@ -97,6 +83,7 @@ class P2PVersionStore(P2PInterface): version_received = None def on_version(self, msg): + # Responds with an appropriate verack super().on_version(msg) self.version_received = msg @@ -106,39 +93,45 @@ class P2PLeakTest(BitcoinTestFramework): self.num_nodes = 1 def run_test(self): - no_version_disconnect_node = self.nodes[0].add_p2p_connection( - CNodeNoVersionMisbehavior(), send_version=False, wait_for_verack=False) - no_version_idlenode = self.nodes[0].add_p2p_connection(CNodeNoVersionIdle(), send_version=False, wait_for_verack=False) - no_verack_idlenode = self.nodes[0].add_p2p_connection(CNodeNoVerackIdle(), wait_for_verack=False) + # Peer that never sends a version. We will send a bunch of messages + # from this peer anyway and verify eventual disconnection. + no_version_disconnect_peer = self.nodes[0].add_p2p_connection( + LazyPeer(), send_version=False, wait_for_verack=False) + + # Another peer that never sends a version, nor any other messages. It shouldn't receive anything from the node. + no_version_idle_peer = self.nodes[0].add_p2p_connection(LazyPeer(), send_version=False, wait_for_verack=False) + + # Peer that sends a version but not a verack. + no_verack_idle_peer = self.nodes[0].add_p2p_connection(NoVerackIdlePeer(), wait_for_verack=False) - # Send enough veracks without a message to reach the peer discouragement - # threshold. This should get us disconnected. + # Send enough ping messages (any non-version message will do) prior to sending + # version to reach the peer discouragement threshold. This should get us disconnected. for _ in range(DISCOURAGEMENT_THRESHOLD): - no_version_disconnect_node.send_message(msg_verack()) + no_version_disconnect_peer.send_message(msg_ping()) - # Wait until we got the verack in response to the version. Though, don't wait for the other node to receive the + # Wait until we got the verack in response to the version. Though, don't wait for the node to receive the # verack, since we never sent one - no_verack_idlenode.wait_for_verack() + no_verack_idle_peer.wait_for_verack() - wait_until(lambda: no_version_disconnect_node.ever_connected, timeout=10, lock=mininode_lock) - wait_until(lambda: no_version_idlenode.ever_connected, timeout=10, lock=mininode_lock) - wait_until(lambda: no_verack_idlenode.version_received, timeout=10, lock=mininode_lock) + no_version_disconnect_peer.wait_until(lambda: no_version_disconnect_peer.ever_connected, check_connected=False) + no_version_idle_peer.wait_until(lambda: no_version_idle_peer.ever_connected) + no_verack_idle_peer.wait_until(lambda: no_verack_idle_peer.version_received) - # Mine a block and make sure that it's not sent to the connected nodes - self.nodes[0].generatetoaddress(1, self.nodes[0].get_deterministic_priv_key().address) + # Mine a block and make sure that it's not sent to the connected peers + self.nodes[0].generate(nblocks=1) #Give the node enough time to possibly leak out a message time.sleep(5) - # Expect this node to be disconnected for misbehavior - assert not no_version_disconnect_node.is_connected + # Expect this peer to be disconnected for misbehavior + assert not no_version_disconnect_peer.is_connected self.nodes[0].disconnect_p2ps() # Make sure no unexpected messages came in - assert no_version_disconnect_node.unexpected_msg == False - assert no_version_idlenode.unexpected_msg == False - assert no_verack_idlenode.unexpected_msg == False + assert no_version_disconnect_peer.unexpected_msg == False + assert no_version_idle_peer.unexpected_msg == False + assert no_verack_idle_peer.unexpected_msg == False self.log.info('Check that the version message does not leak the local address of the node') p2p_version_store = self.nodes[0].add_p2p_connection(P2PVersionStore()) @@ -151,13 +144,13 @@ class P2PLeakTest(BitcoinTestFramework): assert_equal(ver.nStartingHeight, 201) assert_equal(ver.nRelay, 1) - self.log.info('Check that old nodes are disconnected') - p2p_old_node = self.nodes[0].add_p2p_connection(P2PInterface(), send_version=False, wait_for_verack=False) + self.log.info('Check that old peers are disconnected') + p2p_old_peer = self.nodes[0].add_p2p_connection(P2PInterface(), send_version=False, wait_for_verack=False) old_version_msg = msg_version() old_version_msg.nVersion = 31799 with self.nodes[0].assert_debug_log(['peer=4 using obsolete version 31799; disconnecting']): - p2p_old_node.send_message(old_version_msg) - p2p_old_node.wait_for_disconnect() + p2p_old_peer.send_message(old_version_msg) + p2p_old_peer.wait_for_disconnect() if __name__ == '__main__': |