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Merge bitcoin#18584: test: Check that the version message does not leak the local address (#4368)

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* Backporting Merge #18584: test: Check that the version message does not leak the local address

fa404f1e4718e8155581f23826480086dfbcfaa6 test: Check that the version message does not leak the local address of the node (MarcoFalke)

Pull request description:

  Add test for #8740

ACKs for top commit:
  theStack:
    ACK fa404f1e47

Tree-SHA512: 4d1c10d1c02fba4b51bd8b9eb3a0d9a682b6aac8c3f6924e295fdca3faefa5ecc3eaa87d347cfec5d2b2bc49963c10fe0a37c463f36088ed0304a2e3716b963b

* Merge #18584: test: Check that the version message does not leak the local address

Co-authored-by: MarcoFalke <falke.marco@gmail.com>
This commit is contained in:
Vijay Manikpuri 2021-08-30 05:51:00 +05:30 committed by GitHub
parent f38aa44bfd
commit e60b249883
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1 changed files with 30 additions and 1 deletions
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31
test/functional/p2p_leak.py
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@ -16,7 +16,11 @@ import time
from test_framework.messages import msg_getaddr, msg_ping, msg_verack
from test_framework.mininode import mininode_lock, P2PInterface
from test_framework.test_framework import BitcoinTestFramework
from test_framework.util import wait_until
from test_framework.util import (
assert_equal,
assert_greater_than_or_equal,
wait_until,
)
banscore = 10
@ -88,11 +92,24 @@ class CNodeNoVerackIdle(CLazyNode):
self.send_message(msg_ping())
self.send_message(msg_getaddr())
class P2PVersionStore(P2PInterface):
version_received = None
def on_version(self, msg):
super().on_version(msg)
self.version_received = msg
class P2PLeakTest(BitcoinTestFramework):
def set_test_params(self):
self.num_nodes = 1
self.extra_args = [['-banscore=' + str(banscore)]]
def setup_network(self):
self.disable_mocktime()
self.setup_nodes()
def run_test(self):
no_version_bannode = self.nodes[0].add_p2p_connection(CNodeNoVersionBan(), send_version=False, wait_for_verack=False)
no_version_idlenode = self.nodes[0].add_p2p_connection(CNodeNoVersionIdle(), send_version=False, wait_for_verack=False)
@ -121,6 +138,18 @@ class P2PLeakTest(BitcoinTestFramework):
assert(no_version_idlenode.unexpected_msg == False)
assert(no_verack_idlenode.unexpected_msg == False)
self.log.info('Check that the version message does not leak the local address of the node')
time_begin = int(time.time())
p2p_version_store = self.nodes[0].add_p2p_connection(P2PVersionStore())
time_end = time.time()
ver = p2p_version_store.version_received
assert_greater_than_or_equal(ver.nTime, time_begin)
assert_greater_than_or_equal(time_end, ver.nTime)
assert_equal(ver.addrFrom.port, 0)
assert_equal(ver.addrFrom.ip, '0.0.0.0')
assert_equal(ver.nStartingHeight, 201)
assert_equal(ver.nRelay, 1)
if __name__ == '__main__':
P2PLeakTest().main()