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Fail a wildcard listener when the LISTEN state is lowercase #59

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Merged
jmjava merged 1 commit into from
Nov 1, 2026
Merged

Fail a wildcard listener when the LISTEN state is lowercase #59

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2 changes: 1 addition & 1 deletion src/local_coding_slm/safety.py
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Original file line number Diff line number Diff line change
Expand Up @@ -208,7 +208,7 @@ def parse_proc_net_listen_ports(text: str) -> list[tuple[str, int]]:
parts = line.split()
if len(parts) < 4:
continue
if parts[3] != _LISTEN_STATE:
if parts[3].upper() != _LISTEN_STATE:
continue
local = parts[1]
if ":" not in local:
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9 changes: 9 additions & 0 deletions tests/test_safety.py
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Expand Up @@ -168,6 +168,15 @@ def test_unparsed_listen_address_fails(self) -> None:
result = classify_local_listeners(parse_proc_net_listen_ports(text))
self.assertEqual(result.status, "fail", result.message)

def test_lowercase_listen_state_fails_when_not_loopback(self) -> None:
"""State 0a is LISTEN. A wildcard row must not be dropped as 'not listening'."""
text = (
" sl local_address rem_address st\n"
" 0: 00000000:2CAA 00000000:0000 0a 00000000:00000000\n"
)
result = classify_local_listeners(parse_proc_net_listen_ports(text))
self.assertEqual(result.status, "fail", result.message)


class TestHygiene(unittest.TestCase):
def test_placeholder_ips_pass(self) -> None:
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