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connectd: ignore private remote_addr on non-DEVELOPER builds

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When compiled without DEVELOPER this will now filter out `remote_addr` that
come from localhost. The testcase checks for DEVELOPER to test for correct
function of `remote_addr`.

Also, I renamed "test_connect" to "test_connect_basic" so it can be started
without all the other tests in that file that start with "test_connect..."
This commit is contained in:
Michael Schmoock 2022-02-24 16:48:16 +01:00 • committed by Rusty Russell
parent a01e2740ef
commit f1981461ef
3 changed files with 12 additions and 5 deletions
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7
connectd/peer_exchange_initmsg.c
View file

@ -100,7 +100,12 @@ static struct io_plan *peer_init_received(struct io_conn *conn,
switch (tlvs->remote_addr->type) {
case ADDR_TYPE_IPV4:
case ADDR_TYPE_IPV6:
remote_addr = tal_steal(peer, tlvs->remote_addr);
#if DEVELOPER /* ignore private addresses (non-DEVELOPER builds) */
if (address_routable(tlvs->remote_addr, true))
#else
if (address_routable(tlvs->remote_addr, false))
#endif /* DEVELOPER */
remote_addr = tal_steal(peer, tlvs->remote_addr);
break;
/* We are only interested in IP addresses */
case ADDR_TYPE_TOR_V2_REMOVED:

9
tests/test_connection.py
View file

@ -10,7 +10,7 @@ from utils import (
expected_channel_features,
check_coin_moves, first_channel_id, account_balance, basic_fee,
scriptpubkey_addr,
EXPERIMENTAL_FEATURES, mine_funding_to_announce
DEVELOPER, EXPERIMENTAL_FEATURES, mine_funding_to_announce
)
from pyln.testing.utils import SLOW_MACHINE, VALGRIND, EXPERIMENTAL_DUAL_FUND, FUNDAMOUNT
@ -23,7 +23,7 @@ import unittest
import websocket
def test_connect(node_factory):
def test_connect_basic(node_factory):
l1, l2 = node_factory.line_graph(2, fundchannel=False)
# These should be in openingd.
@ -46,8 +46,9 @@ def test_connect(node_factory):
assert len(l1.rpc.listpeers()) == 1
assert len(l2.rpc.listpeers()) == 1
if EXPERIMENTAL_FEATURES:
l1.daemon.wait_for_log("Peer says it sees our address as: 127.0.0.1:[0-9]{5}")
if EXPERIMENTAL_FEATURES: # BOLT1 remote_addr #917
if DEVELOPER:
print(l1.daemon.wait_for_log("Peer says it sees our address as: 127.0.0.1:[0-9]{5}"))
# Should get reasonable error if unknown addr for peer.
with pytest.raises(RpcError, match=r'Unable to connect, no address known'):

1
tests/test_plugin.py
View file

@ -452,6 +452,7 @@ def test_plugin_connected_hook_chaining(node_factory):
@unittest.skipIf(not EXPERIMENTAL_FEATURES, "BOLT1 remote_addr #917")
@pytest.mark.developer("localhost remote_addr will be filtered without DEVELOEPR")
def test_peer_connected_remote_addr(node_factory):
"""This tests the optional tlv `remote_addr` being passed to a plugin.