diff options
| -rwxr-xr-x | test/functional/p2p_invalid_messages.py | 86 |
1 files changed, 0 insertions, 86 deletions
diff --git a/test/functional/p2p_invalid_messages.py b/test/functional/p2p_invalid_messages.py index 81302374c9..244a5a136d 100755 --- a/test/functional/p2p_invalid_messages.py +++ b/test/functional/p2p_invalid_messages.py @@ -5,7 +5,6 @@ """Test node responses to invalid network messages.""" import asyncio import struct -import sys from test_framework.messages import ( CBlockHeader, @@ -50,11 +49,6 @@ class InvalidMessagesTest(BitcoinTestFramework): . Test msg header 0. Send a bunch of large (4MB) messages of an unrecognized type. Check to see that it isn't an effective DoS against the node. - - 1. Send an oversized (4MB+) message and check that we're disconnected. - - 2. Send a few messages with an incorrect data size in the header, ensure the - messages are ignored. """ self.test_magic_bytes() self.test_checksum() @@ -95,66 +89,6 @@ class InvalidMessagesTest(BitcoinTestFramework): node.p2p.sync_with_ping(timeout=400) assert node.p2p.is_connected - # - # 1. - # - # Send an oversized message, ensure we're disconnected. - # - # Under macOS this test is skipped due to an unexpected error code - # returned from the closing socket which python/asyncio does not - # yet know how to handle. - # - if sys.platform != 'darwin': - msg_over_size = msg_unrecognized(str_data="b" * (valid_data_limit + 1)) - assert len(msg_over_size.serialize()) == (msg_limit + 1) - - # An unknown message type (or *any* message type) over - # MAX_PROTOCOL_MESSAGE_LENGTH should result in a disconnect. - node.p2p.send_message(msg_over_size) - node.p2p.wait_for_disconnect(timeout=4) - - node.disconnect_p2ps() - conn = node.add_p2p_connection(P2PDataStore()) - conn.wait_for_verack() - else: - self.log.info("Skipping test p2p_invalid_messages/1 (oversized message) under macOS") - - # - # 2. - # - # Send messages with an incorrect data size in the header. - # - actual_size = 100 - msg = msg_unrecognized(str_data="b" * actual_size) - - # TODO: handle larger-than cases. I haven't been able to pin down what behavior to expect. - for wrong_size in (2, 77, 78, 79): - self.log.info("Sending a message with incorrect size of {}".format(wrong_size)) - - # Unmodified message should submit okay. - node.p2p.send_and_ping(msg) - - # A message lying about its data size results in a disconnect when the incorrect - # data size is less than the actual size. - # - # TODO: why does behavior change at 78 bytes? - # - node.p2p.send_raw_message(self._tweak_msg_data_size(msg, wrong_size)) - - # For some reason unknown to me, we sometimes have to push additional data to the - # peer in order for it to realize a disconnect. - try: - node.p2p.send_message(msg_ping(nonce=123123)) - except IOError: - pass - - node.p2p.wait_for_disconnect(timeout=10) - node.disconnect_p2ps() - node.add_p2p_connection(P2PDataStore()) - - # Node is still up. - conn = node.add_p2p_connection(P2PDataStore()) - def test_magic_bytes(self): conn = self.nodes[0].add_p2p_connection(P2PDataStore()) @@ -225,26 +159,6 @@ class InvalidMessagesTest(BitcoinTestFramework): conn.send_and_ping(msg) self.nodes[0].disconnect_p2ps() - def _tweak_msg_data_size(self, message, wrong_size): - """ - Return a raw message based on another message but with an incorrect data size in - the message header. - """ - raw_msg = self.node.p2p.build_message(message) - - bad_size_bytes = struct.pack("<I", wrong_size) - num_header_bytes_before_size = 4 + 12 - - # Replace the correct data size in the message with an incorrect one. - raw_msg_with_wrong_size = ( - raw_msg[:num_header_bytes_before_size] + - bad_size_bytes + - raw_msg[(num_header_bytes_before_size + len(bad_size_bytes)):] - ) - assert len(raw_msg) == len(raw_msg_with_wrong_size) - - return raw_msg_with_wrong_size - if __name__ == '__main__': InvalidMessagesTest().main() |