fix: WireGuard sysctl || true, port check on page load, add peer status tests

Root cause: sysctl -q net.ipv4.conf.all.rp_filter=0 in PostUp exited non-zero
inside the linuxserver/wireguard container (no permission), causing wg-quick to
tear down the wg0 interface — breaking peer status, port check, and internet
access through full tunnel.

- wireguard_manager.py: add || true to both sysctl PostUp/PostDown lines
- docker-compose.yml: add net.ipv4.conf.all.rp_filter=0 to wireguard sysctls
- WireGuard.jsx: kick off port check asynchronously on page load (was refresh-only)
- tests: add TestWireGuardSysctlAndPortCheck — 14 new tests covering sysctl
  content, check_port_open (interface up / down / fallback-to-handshake),
  get_peer_status (online / offline / not-found / no-handshake), and
  get_all_peer_statuses (multi-peer / empty / skips interface line)

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
2026-04-24 10:31:57 -04:00
parent 4b994a5964
commit eb817ffdc5
4 changed files with 163 additions and 4 deletions
+152 -1
View File
@@ -455,5 +455,156 @@ class TestWireGuardConfigReads(unittest.TestCase):
self.assertNotIn(':51820', content)
class TestWireGuardSysctlAndPortCheck(unittest.TestCase):
"""Tests for sysctl safety, port check, and peer status parsing."""
def setUp(self):
self.test_dir = tempfile.mkdtemp()
patcher = patch.object(WireGuardManager, '_syncconf', return_value=None)
self.mock_sync = patcher.start()
self.addCleanup(patcher.stop)
self.addCleanup(shutil.rmtree, self.test_dir)
self.wg = WireGuardManager(self.test_dir, self.test_dir)
# ── generate_config sysctl safety ────────────────────────────────────────
def test_generate_config_postup_has_nonfatal_sysctl(self):
cfg = self.wg.generate_config()
self.assertIn('sysctl -q net.ipv4.conf.all.rp_filter=0 || true', cfg)
def test_generate_config_postdown_has_nonfatal_sysctl(self):
cfg = self.wg.generate_config()
self.assertIn('sysctl -q net.ipv4.conf.all.rp_filter=1 || true', cfg)
def test_generate_config_has_masquerade(self):
cfg = self.wg.generate_config()
self.assertIn('MASQUERADE', cfg)
def test_generate_config_has_forward_rule(self):
cfg = self.wg.generate_config()
self.assertIn('FORWARD -i %i -j ACCEPT', cfg)
# ── check_port_open ───────────────────────────────────────────────────────
@patch('subprocess.run')
def test_check_port_open_when_wg_interface_up(self, mock_run):
mock_run.return_value.returncode = 0
mock_run.return_value.stdout = 'interface: wg0\n listening port: 51820\n'
self.assertTrue(self.wg.check_port_open())
@patch('subprocess.run')
def test_check_port_open_false_when_interface_down(self, mock_run):
# wg show fails (no device), fallback wg show dump also fails
mock_run.return_value.returncode = 1
mock_run.return_value.stdout = ''
self.assertFalse(self.wg.check_port_open())
@patch('subprocess.run')
def test_check_port_open_fallback_to_recent_handshake(self, mock_run):
# First call (wg show wg0): fails — interface not reported as up
# Second call (wg show wg0 dump): returns a peer with recent handshake
import time as _time
now = int(_time.time())
dump_line = f'pubkey\t(none)\t1.2.3.4:51820\t0.0.0.0/0\t{now - 10}\t1000\t2000\t25\n'
def side_effect(*args, **kwargs):
cmd = args[0]
m = MagicMock()
if 'dump' in cmd:
m.returncode = 0
m.stdout = dump_line
else:
m.returncode = 0
m.stdout = 'interface: wg0\n' # no "listening port" text
return m
mock_run.side_effect = side_effect
# "listening port" not in stdout for first call → falls through to dump
# dump has recent handshake → returns True
result = self.wg.check_port_open()
self.assertTrue(result)
# ── get_peer_status ───────────────────────────────────────────────────────
@patch('subprocess.run')
def test_get_peer_status_online_with_recent_handshake(self, mock_run):
import time as _time
now = int(_time.time())
pub = 'AAABBBCCC='
dump = (
f'privkey\tserverpub\t51820\toff\n' # interface line (4 fields)
f'{pub}\t(none)\t1.2.3.4:12345\t10.0.0.2/32\t{now-30}\t500\t1000\t25\n'
)
mock_run.return_value.returncode = 0
mock_run.return_value.stdout = dump
st = self.wg.get_peer_status(pub)
self.assertTrue(st['online'])
self.assertIsNotNone(st['last_handshake'])
self.assertLessEqual(st['last_handshake_seconds_ago'], 35)
@patch('subprocess.run')
def test_get_peer_status_offline_with_old_handshake(self, mock_run):
import time as _time
now = int(_time.time())
pub = 'AAABBBCCC='
dump = f'{pub}\t(none)\t(none)\t10.0.0.2/32\t{now - 300}\t0\t0\t25\n'
mock_run.return_value.returncode = 0
mock_run.return_value.stdout = dump
st = self.wg.get_peer_status(pub)
self.assertFalse(st['online'])
@patch('subprocess.run')
def test_get_peer_status_not_found_returns_none_online(self, mock_run):
mock_run.return_value.returncode = 0
mock_run.return_value.stdout = ''
st = self.wg.get_peer_status('NOTEXIST=')
self.assertIsNone(st['online'])
@patch('subprocess.run')
def test_get_peer_status_no_handshake_yet(self, mock_run):
pub = 'AAABBBCCC='
dump = f'{pub}\t(none)\t(none)\t10.0.0.2/32\t0\t0\t0\t25\n'
mock_run.return_value.returncode = 0
mock_run.return_value.stdout = dump
st = self.wg.get_peer_status(pub)
self.assertFalse(st['online'])
self.assertIsNone(st['last_handshake'])
# ── get_all_peer_statuses ─────────────────────────────────────────────────
@patch('subprocess.run')
def test_get_all_peer_statuses_parses_multiple_peers(self, mock_run):
import time as _time
now = int(_time.time())
pub1 = 'PUB1KEY='
pub2 = 'PUB2KEY='
dump = (
f'privkey\tserverpub\t51820\toff\n'
f'{pub1}\t(none)\t1.1.1.1:1000\t10.0.0.2/32\t{now-20}\t100\t200\t25\n'
f'{pub2}\t(none)\t(none)\t10.0.0.3/32\t{now-200}\t0\t0\t25\n'
)
mock_run.return_value.returncode = 0
mock_run.return_value.stdout = dump
statuses = self.wg.get_all_peer_statuses()
self.assertIn(pub1, statuses)
self.assertIn(pub2, statuses)
self.assertTrue(statuses[pub1]['online'])
self.assertFalse(statuses[pub2]['online'])
@patch('subprocess.run')
def test_get_all_peer_statuses_empty_when_interface_down(self, mock_run):
mock_run.return_value.returncode = 1
mock_run.return_value.stdout = ''
statuses = self.wg.get_all_peer_statuses()
self.assertEqual(statuses, {})
@patch('subprocess.run')
def test_get_all_peer_statuses_skips_interface_line(self, mock_run):
# Interface line has only 4 tab-separated fields — must not appear as a peer
dump = 'privkey\tserverpub\t51820\toff\n'
mock_run.return_value.returncode = 0
mock_run.return_value.stdout = dump
statuses = self.wg.get_all_peer_statuses()
self.assertEqual(statuses, {})
if __name__ == '__main__':
unittest.main()
unittest.main()