Files
NODEDC_MISSION_CORE/tests/test_xgrids_macos_wifi.py
T
DCCONSTRUCTIONS 0ca7316a24 wip(k1): checkpoint connection recovery rewrite
Capture the current unreleased K1 connection, recovery, lifecycle, viewer, and test work as a single known-bad baseline for subsequent fixes.
2026-08-14 14:57:50 +03:00

1043 lines
35 KiB
Python

from __future__ import annotations
import json
import os
import subprocess
import sys
import threading
import time
from pathlib import Path
import pytest
from k1link.device_plugins.xgrids_k1.application_control_process_lease import (
ApplicationControlProcessLease,
ApplicationControlProcessLeaseUnavailable,
)
from k1link.host_network import wifi
TEST_PASSWORD = "fixture-only-network-secret"
TEST_PROFILE_ID = "fixture.quick-connect.v1"
TEST_CREDENTIAL_SOURCE_ID = "fixture.firmware-provider.v1"
def _helper(tmp_path: Path) -> Path:
helper = tmp_path / "associate_wifi.swift"
helper.write_text("// offline fixture\n", encoding="utf-8")
return helper
def _private_process_lease(
tmp_path: Path,
monkeypatch: pytest.MonkeyPatch,
) -> tuple[Path, ApplicationControlProcessLease]:
repository_root = tmp_path / "repository"
repository_root.mkdir()
monkeypatch.setenv("MISSIONCORE_DATA_DIR", str(tmp_path / "private-data"))
return repository_root, ApplicationControlProcessLease.acquire(repository_root)
def test_association_identity_is_opaque_process_scoped_evidence(
monkeypatch: pytest.MonkeyPatch,
tmp_path: Path,
) -> None:
monkeypatch.setattr(wifi.sys, "platform", "darwin")
captured: dict[str, object] = {}
live_inputs: list[bytearray] = []
def fake_runner(argv: list[str], **kwargs: object) -> subprocess.CompletedProcess[bytes]:
assert isinstance(kwargs["input"], bytearray)
live_inputs.append(kwargs["input"])
captured.update({"argv": argv, **kwargs, "input": bytes(kwargs["input"])})
return subprocess.CompletedProcess(
argv,
0,
stdout=(
b'{"ok":true,"adapter":"CoreWLAN","wifi_interface":true,'
b'"association_identity":"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa'
b'aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa","association_evidence":"ssid+bssid"}'
),
stderr=b"",
)
probe = wifi.HostWifiAssociationIdentityProbe(
_helper(tmp_path),
runner=fake_runner,
continuity_key=bytes(range(32)),
)
result = probe.observe("en0")
assert result == {
"schema_version": 1,
"adapter": "CoreWLAN",
"wifi_interface": True,
"association_state": "associated",
"evidence_quality": "ssid+bssid",
"continuity_proven": True,
"continuity_token": "a" * 64,
"reason_code": None,
}
request = json.loads(bytes(captured["input"]).decode("utf-8"))
assert request == {
"action": "inspect-association",
"profile_id": "host-association-inspection.v1",
"interface_name": "en0",
"continuity_key_hex": bytes(range(32)).hex(),
}
assert "continuity_key_hex" not in " ".join(captured["argv"])
assert "ssid" not in request
assert "bssid" not in request
assert live_inputs and not any(live_inputs[0])
def test_association_identity_changes_an_otherwise_identical_route_fingerprint() -> None:
base_route = "c" * 64
first: wifi.HostWifiAssociationIdentityResult = {
"schema_version": 1,
"adapter": "CoreWLAN",
"wifi_interface": True,
"association_state": "associated",
"evidence_quality": "bssid-only",
"continuity_proven": True,
"continuity_token": "a" * 64,
"reason_code": None,
}
second: wifi.HostWifiAssociationIdentityResult = {
**first,
"continuity_token": "b" * 64,
}
assert wifi.bind_route_fingerprint_to_wifi_association(
base_route, first
) != wifi.bind_route_fingerprint_to_wifi_association(base_route, second)
def test_association_identity_reuses_only_a_subsecond_read_only_observation(
monkeypatch: pytest.MonkeyPatch,
tmp_path: Path,
) -> None:
monkeypatch.setattr(wifi.sys, "platform", "darwin")
clocks = {"monotonic": 100.0, "wall": 1_000.0}
calls = 0
def fake_runner(argv: list[str], **_: object) -> subprocess.CompletedProcess[bytes]:
nonlocal calls
calls += 1
identity = "a" * 64 if calls == 1 else "b" * 64
return subprocess.CompletedProcess(
argv,
0,
stdout=(
b'{"ok":true,"adapter":"CoreWLAN","wifi_interface":true,'
+ f'"association_identity":"{identity}",'.encode()
+ b'"association_evidence":"ssid+bssid"}'
),
stderr=b"",
)
probe = wifi.HostWifiAssociationIdentityProbe(
_helper(tmp_path),
runner=fake_runner,
continuity_key=b"c" * 32,
monotonic_clock=lambda: clocks["monotonic"],
wall_clock=lambda: clocks["wall"],
)
first = probe.observe("en0")
first["continuity_token"] = "f" * 64
clocks["monotonic"] += 0.74
clocks["wall"] += 0.74
cached = probe.observe("en0")
assert calls == 1
assert cached["continuity_token"] == "a" * 64
clocks["monotonic"] += 0.02
clocks["wall"] += 0.02
refreshed = probe.observe("en0")
assert calls == 2
assert refreshed["continuity_token"] == "b" * 64
def test_association_identity_timeout_includes_waiting_for_an_inflight_observer(
monkeypatch: pytest.MonkeyPatch,
tmp_path: Path,
) -> None:
monkeypatch.setattr(wifi.sys, "platform", "darwin")
runner_entered = threading.Event()
release_runner = threading.Event()
first_result: list[wifi.HostWifiAssociationIdentityResult] = []
runner_calls = 0
def blocked_runner(
argv: list[str],
**_: object,
) -> subprocess.CompletedProcess[bytes]:
nonlocal runner_calls
runner_calls += 1
runner_entered.set()
assert release_runner.wait(timeout=2.0)
return subprocess.CompletedProcess(
argv,
0,
stdout=(
b'{"ok":true,"adapter":"CoreWLAN","wifi_interface":true,'
b'"association_identity":"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa'
b'aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa","association_evidence":"bssid-only"}'
),
stderr=b"",
)
probe = wifi.HostWifiAssociationIdentityProbe(
_helper(tmp_path),
runner=blocked_runner,
continuity_key=b"t" * 32,
max_cache_age_seconds=0,
)
owner = threading.Thread(
target=lambda: first_result.append(
probe.observe("en0", timeout_seconds=1.0)
)
)
owner.start()
assert runner_entered.wait(timeout=1.0)
started = time.monotonic()
timed_out = probe.observe("en0", timeout_seconds=0.05)
elapsed = time.monotonic() - started
assert elapsed < 0.25
assert timed_out["continuity_proven"] is False
assert timed_out["reason_code"] == "host-wifi-operation-timeout"
assert runner_calls == 1
release_runner.set()
owner.join(timeout=2.0)
assert owner.is_alive() is False
assert first_result[0]["continuity_proven"] is True
def test_association_identity_interface_transition_is_an_immediate_cache_barrier(
monkeypatch: pytest.MonkeyPatch,
tmp_path: Path,
) -> None:
monkeypatch.setattr(wifi.sys, "platform", "darwin")
calls = 0
def fake_runner(argv: list[str], **_: object) -> subprocess.CompletedProcess[bytes]:
nonlocal calls
calls += 1
identity = format(calls, "x") * 64
return subprocess.CompletedProcess(
argv,
0,
stdout=(
b'{"ok":true,"adapter":"CoreWLAN","wifi_interface":true,'
+ f'"association_identity":"{identity}",'.encode()
+ b'"association_evidence":"ssid+bssid"}'
),
stderr=b"",
)
probe = wifi.HostWifiAssociationIdentityProbe(
_helper(tmp_path),
runner=fake_runner,
continuity_key=b"d" * 32,
monotonic_clock=lambda: 100.0,
wall_clock=lambda: 1_000.0,
)
first = probe.observe("en0")
second = probe.observe("en1")
third = probe.observe("en0")
assert calls == 3
assert first["continuity_token"] == "1" * 64
assert second["continuity_token"] == "2" * 64
assert third["continuity_token"] == "3" * 64
def test_association_identity_wall_clock_sleep_expires_cache_fail_closed(
monkeypatch: pytest.MonkeyPatch,
tmp_path: Path,
) -> None:
monkeypatch.setattr(wifi.sys, "platform", "darwin")
clocks = {"monotonic": 100.0, "wall": 1_000.0}
calls = 0
def fake_runner(argv: list[str], **_: object) -> subprocess.CompletedProcess[bytes]:
nonlocal calls
calls += 1
return subprocess.CompletedProcess(
argv,
0,
stdout=(
b'{"ok":true,"adapter":"CoreWLAN","wifi_interface":true,'
b'"association_identity":"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa'
b'aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa","association_evidence":"bssid-only"}'
),
stderr=b"",
)
probe = wifi.HostWifiAssociationIdentityProbe(
_helper(tmp_path),
runner=fake_runner,
continuity_key=b"e" * 32,
monotonic_clock=lambda: clocks["monotonic"],
wall_clock=lambda: clocks["wall"],
)
probe.observe("en0")
clocks["wall"] += 10.0
probe.observe("en0")
assert calls == 2
@pytest.mark.parametrize("max_cache_age_seconds", [-0.01, 0.751, float("nan")])
def test_association_identity_cache_age_cannot_exceed_safety_bound(
tmp_path: Path,
max_cache_age_seconds: float,
) -> None:
with pytest.raises(ValueError, match="between 0 and 0.75 seconds"):
wifi.HostWifiAssociationIdentityProbe(
_helper(tmp_path),
max_cache_age_seconds=max_cache_age_seconds,
)
def test_unavailable_association_identity_keeps_one_process_scoped_route_token(
monkeypatch: pytest.MonkeyPatch,
tmp_path: Path,
) -> None:
monkeypatch.setattr(wifi.sys, "platform", "darwin")
def fake_runner(argv: list[str], **_: object) -> subprocess.CompletedProcess[bytes]:
return subprocess.CompletedProcess(
argv,
0,
stdout=(
b'{"ok":true,"adapter":"CoreWLAN","wifi_interface":true,'
b'"association_evidence":"unavailable",'
b'"reason_code":"association-identity-unavailable"}'
),
stderr=b"",
)
probe = wifi.HostWifiAssociationIdentityProbe(
_helper(tmp_path),
runner=fake_runner,
continuity_key=b"x" * 32,
)
first = probe.observe("en0")
second = probe.observe("en0")
assert first["continuity_proven"] is False
assert first["association_state"] == "unavailable"
assert first["reason_code"] == "association-identity-unavailable"
assert first["continuity_token"] == second["continuity_token"]
assert wifi.bind_route_fingerprint_to_wifi_association(
"route", first
) == wifi.bind_route_fingerprint_to_wifi_association("route", second)
def test_unavailable_association_identity_changes_with_interface_scope(
monkeypatch: pytest.MonkeyPatch,
tmp_path: Path,
) -> None:
monkeypatch.setattr(wifi.sys, "platform", "darwin")
def fake_runner(argv: list[str], **_: object) -> subprocess.CompletedProcess[bytes]:
return subprocess.CompletedProcess(
argv,
0,
stdout=(
b'{"ok":true,"adapter":"CoreWLAN","wifi_interface":true,'
b'"association_evidence":"unavailable",'
b'"reason_code":"association-identity-unavailable"}'
),
stderr=b"",
)
probe = wifi.HostWifiAssociationIdentityProbe(
_helper(tmp_path),
runner=fake_runner,
continuity_key=b"z" * 32,
)
first = probe.observe("en0")
second = probe.observe("en1")
assert first["continuity_proven"] is False
assert second["continuity_proven"] is False
assert first["continuity_token"] != second["continuity_token"]
def test_non_wifi_interface_has_stable_secret_free_continuity_evidence(
monkeypatch: pytest.MonkeyPatch,
tmp_path: Path,
) -> None:
monkeypatch.setattr(wifi.sys, "platform", "darwin")
def fake_runner(argv: list[str], **_: object) -> subprocess.CompletedProcess[bytes]:
return subprocess.CompletedProcess(
argv,
0,
stdout=(
b'{"ok":true,"adapter":"CoreWLAN","wifi_interface":false,'
b'"association_identity":"dddddddddddddddddddddddddddddddd'
b'dddddddddddddddddddddddddddddddd","association_evidence":"not-wifi"}'
),
stderr=b"",
)
probe = wifi.HostWifiAssociationIdentityProbe(
_helper(tmp_path),
runner=fake_runner,
continuity_key=b"y" * 32,
)
first = probe.observe("en7")
second = probe.observe("en7")
assert first == second
assert first["wifi_interface"] is False
assert first["association_state"] == "not-wifi"
assert first["continuity_proven"] is True
def test_association_exposes_only_profile_id_and_expected_ssid_to_platform_helper(
monkeypatch: pytest.MonkeyPatch,
tmp_path: Path,
) -> None:
monkeypatch.setattr(wifi.sys, "platform", "darwin")
calls: list[dict[str, object]] = []
live_inputs: list[bytearray] = []
def fake_runner(argv: list[str], **kwargs: object) -> subprocess.CompletedProcess[bytes]:
assert isinstance(kwargs["input"], bytearray)
live_inputs.append(kwargs["input"])
calls.append({"argv": argv, **kwargs, "input": bytes(kwargs["input"])})
return subprocess.CompletedProcess(
argv,
0,
stdout=(
b'{"ok":true,"adapter":"CoreWLAN","already_associated":false,'
b'"profile_enrolled":true,"scan_attempt_count":3,'
b'"scan_elapsed_ms":1840,"credential_source":"exact-firmware-profile"}'
),
stderr=b"",
)
helper = _helper(tmp_path)
result = wifi.associate_with_wifi_profile_once(
helper,
TEST_PROFILE_ID,
"XGR-OFFLINE",
runner=fake_runner,
)
assert result == {
"schema_version": 1,
"adapter": "CoreWLAN",
"outcome": "associated",
"already_associated": False,
"profile_enrolled": True,
"scan_attempt_count": 3,
"scan_elapsed_ms": 1840,
"credential_source": "exact-firmware-profile",
}
assert len(calls) == 1
call = calls[0]
assert call["argv"] == [
"/usr/bin/xcrun",
"swift",
str(helper.resolve()),
]
assert "swiftc" not in call["argv"]
request = json.loads(bytes(call["input"]).decode("utf-8"))
assert request == {
"action": "associate",
"profile_id": TEST_PROFILE_ID,
"ssid": "XGR-OFFLINE",
"scan_timeout_seconds": 30.0,
}
assert call["check"] is False
assert call["timeout"] == 180.0
assert live_inputs and not any(live_inputs[0])
def test_ephemeral_bridge_association_uses_stdin_and_does_not_enroll_profile(
monkeypatch: pytest.MonkeyPatch,
tmp_path: Path,
) -> None:
monkeypatch.setattr(wifi.sys, "platform", "darwin")
captured: dict[str, object] = {}
live_inputs: list[bytearray] = []
def fake_runner(argv: list[str], **kwargs: object) -> subprocess.CompletedProcess[bytes]:
assert isinstance(kwargs["input"], bytearray)
live_inputs.append(kwargs["input"])
captured.update({"argv": argv, **kwargs, "input": bytes(kwargs["input"])})
return subprocess.CompletedProcess(
argv,
0,
stdout=(
b'{"ok":true,"adapter":"CoreWLAN","already_associated":false,'
b'"profile_enrolled":false,"scan_attempt_count":2,'
b'"scan_elapsed_ms":910,"credential_source":"operation-memory"}'
),
stderr=b"",
)
result = wifi.associate_with_ephemeral_wifi_credentials_once(
_helper(tmp_path),
"DCEXPRESS",
TEST_PASSWORD,
runner=fake_runner,
)
assert result == {
"schema_version": 1,
"adapter": "CoreWLAN",
"outcome": "associated",
"already_associated": False,
"profile_enrolled": False,
"scan_attempt_count": 2,
"scan_elapsed_ms": 910,
"credential_source": "operation-memory",
}
request = json.loads(bytes(captured["input"]).decode("utf-8"))
assert request == {
"action": "associate-ephemeral",
"profile_id": "bridge-operation-memory.v1",
"ssid": "DCEXPRESS",
"password": TEST_PASSWORD,
"scan_timeout_seconds": 30.0,
}
assert TEST_PASSWORD not in " ".join(captured["argv"])
assert "env" not in captured
assert live_inputs and not any(live_inputs[0])
def test_profile_store_passes_secret_only_through_stdin(
monkeypatch: pytest.MonkeyPatch,
tmp_path: Path,
) -> None:
monkeypatch.setattr(wifi.sys, "platform", "darwin")
captured: dict[str, object] = {}
live_inputs: list[bytearray] = []
def fake_runner(argv: list[str], **kwargs: object) -> subprocess.CompletedProcess[bytes]:
assert isinstance(kwargs["input"], bytearray)
live_inputs.append(kwargs["input"])
captured.update({"argv": argv, **kwargs, "input": bytes(kwargs["input"])})
return subprocess.CompletedProcess(
argv,
0,
stdout=b'{"ok":true,"adapter":"macOS Keychain","stored":true}',
stderr=b"",
)
result = wifi.store_wifi_profile_once(
_helper(tmp_path),
TEST_PROFILE_ID,
"XGR-OFFLINE",
TEST_PASSWORD,
runner=fake_runner,
)
assert result["outcome"] == "stored"
assert TEST_PASSWORD not in " ".join(captured["argv"])
assert "env" not in captured
request = json.loads(bytes(captured["input"]).decode("utf-8"))
assert request == {
"action": "store-profile",
"profile_id": TEST_PROFILE_ID,
"ssid": "XGR-OFFLINE",
"password": TEST_PASSWORD,
}
assert live_inputs and not any(live_inputs[0])
def test_firmware_material_store_passes_secret_only_through_stdin(
monkeypatch: pytest.MonkeyPatch,
tmp_path: Path,
) -> None:
monkeypatch.setattr(wifi.sys, "platform", "darwin")
captured: dict[str, object] = {}
live_inputs: list[bytearray] = []
def fake_runner(argv: list[str], **kwargs: object) -> subprocess.CompletedProcess[bytes]:
assert isinstance(kwargs["input"], bytearray)
live_inputs.append(kwargs["input"])
captured.update({"argv": argv, **kwargs, "input": bytes(kwargs["input"])})
return subprocess.CompletedProcess(
argv,
0,
stdout=b'{"ok":true,"adapter":"macOS Keychain","stored":true}',
stderr=b"",
)
result = wifi.store_wifi_credential_material(
_helper(tmp_path),
TEST_CREDENTIAL_SOURCE_ID,
TEST_PASSWORD,
runner=fake_runner,
)
assert result["outcome"] == "stored"
assert TEST_PASSWORD not in " ".join(captured["argv"])
assert "env" not in captured
request = json.loads(bytes(captured["input"]).decode("utf-8"))
assert request == {
"action": "store-credential-material",
"profile_id": TEST_CREDENTIAL_SOURCE_ID,
"password": TEST_PASSWORD,
}
assert live_inputs and not any(live_inputs[0])
def test_profile_is_materialized_from_opaque_firmware_source(
monkeypatch: pytest.MonkeyPatch,
tmp_path: Path,
) -> None:
monkeypatch.setattr(wifi.sys, "platform", "darwin")
captured: dict[str, object] = {}
def fake_runner(argv: list[str], **kwargs: object) -> subprocess.CompletedProcess[bytes]:
captured.update({"argv": argv, **kwargs, "input": bytes(kwargs["input"])})
return subprocess.CompletedProcess(
argv,
0,
stdout=(
b'{"ok":true,"adapter":"macOS Keychain","profile_available":true,'
b'"profile_enrolled":true,"credential_source":"exact-firmware-profile"}'
),
stderr=b"",
)
result = wifi.ensure_wifi_profile_from_credential_source(
_helper(tmp_path),
TEST_PROFILE_ID,
"XGR-OFFLINE",
TEST_CREDENTIAL_SOURCE_ID,
runner=fake_runner,
)
assert result == {
"schema_version": 1,
"adapter": "macOS Keychain",
"available": True,
"profile_enrolled": True,
"credential_source": "exact-firmware-profile",
}
request = json.loads(bytes(captured["input"]).decode("utf-8"))
assert request == {
"action": "ensure-profile",
"profile_id": TEST_PROFILE_ID,
"ssid": "XGR-OFFLINE",
"credential_source_id": TEST_CREDENTIAL_SOURCE_ID,
}
assert TEST_PASSWORD not in bytes(captured["input"]).decode("utf-8")
@pytest.mark.parametrize("available", [True, False])
def test_profile_preflight_checks_only_the_expected_keychain_item(
monkeypatch: pytest.MonkeyPatch,
tmp_path: Path,
available: bool,
) -> None:
monkeypatch.setattr(wifi.sys, "platform", "darwin")
captured: dict[str, object] = {}
def fake_runner(argv: list[str], **kwargs: object) -> subprocess.CompletedProcess[bytes]:
captured.update({"argv": argv, **kwargs, "input": bytes(kwargs["input"])})
encoded_available = b"true" if available else b"false"
return subprocess.CompletedProcess(
argv,
0,
stdout=(
b'{"ok":true,"adapter":"macOS Keychain","profile_available":'
+ encoded_available
+ (
b',"credential_source":"exact-firmware-profile"}'
if available
else b"}"
)
),
stderr=b"",
)
result = wifi.check_wifi_profile(
_helper(tmp_path),
TEST_PROFILE_ID,
"XGR-OFFLINE",
runner=fake_runner,
)
assert result == {
"schema_version": 1,
"adapter": "macOS Keychain",
"available": available,
"credential_source": (
"exact-firmware-profile" if available else None
),
}
request = json.loads(bytes(captured["input"]).decode("utf-8"))
assert request == {
"action": "check-profile",
"profile_id": TEST_PROFILE_ID,
"ssid": "XGR-OFFLINE",
}
def test_association_reports_only_sanitized_helper_reason(
monkeypatch: pytest.MonkeyPatch,
tmp_path: Path,
) -> None:
monkeypatch.setattr(wifi.sys, "platform", "darwin")
def fake_runner(argv: list[str], **_: object) -> subprocess.CompletedProcess[bytes]:
return subprocess.CompletedProcess(
argv,
1,
stdout=(
b'{"ok":false,"reason_code":"network-not-found",'
b'"scan_attempt_count":4,"scan_elapsed_ms":15021}'
),
stderr=f"private diagnostic {TEST_PASSWORD}".encode(),
)
with pytest.raises(wifi.HostWifiProfileError, match="network-not-found") as raised:
wifi.associate_with_wifi_profile_once(
_helper(tmp_path),
TEST_PROFILE_ID,
"XGR-OFFLINE",
runner=fake_runner,
)
assert TEST_PASSWORD not in str(raised.value)
assert raised.value.scan_attempt_count == 4
assert raised.value.scan_elapsed_ms == 15021
def test_association_reports_operator_timeout_separately_from_missing_helper(
monkeypatch: pytest.MonkeyPatch,
tmp_path: Path,
) -> None:
monkeypatch.setattr(wifi.sys, "platform", "darwin")
def timed_out_runner(
argv: list[str], **_: object
) -> subprocess.CompletedProcess[bytes]:
raise subprocess.TimeoutExpired(argv, timeout=180.0)
with pytest.raises(
wifi.HostWifiProfileError,
match="host-wifi-operation-timeout",
) as raised:
wifi.associate_with_wifi_profile_once(
_helper(tmp_path),
TEST_PROFILE_ID,
"XGR-OFFLINE",
runner=timed_out_runner,
)
assert raised.value.reason_code == "host-wifi-operation-timeout"
assert raised.value.helper_stage is None
assert raised.value.helper_elapsed_ms is None
@pytest.mark.skipif(os.name != "posix", reason="helper flock inheritance is POSIX-only")
def test_fenced_host_helper_child_keeps_lifecycle_lock_after_parent_crash(
monkeypatch: pytest.MonkeyPatch,
tmp_path: Path,
) -> None:
repository_root, owner = _private_process_lease(tmp_path, monkeypatch)
ready_path = tmp_path / "host-helper-ready"
release_path = tmp_path / "host-helper-release"
outcome: list[subprocess.CompletedProcess[bytes] | BaseException] = []
parent_descriptor_closed = False
def run_helper() -> None:
try:
outcome.append(
wifi._run_macos_helper_with_process_fence( # noqa: SLF001
[
sys.executable,
"-c",
(
"import pathlib,sys,time\n"
"ready=pathlib.Path(sys.argv[1])\n"
"release=pathlib.Path(sys.argv[2])\n"
"ready.write_text('ready')\n"
"while not release.exists(): time.sleep(0.01)\n"
),
str(ready_path),
str(release_path),
],
request_bytes=bytearray(b"{}"),
timeout_seconds=5.0,
process_fence_descriptor_factory=(
owner.duplicate_descriptor_for_child
),
)
)
except BaseException as exc: # pragma: no cover - asserted below
outcome.append(exc)
worker = threading.Thread(target=run_helper, daemon=True)
worker.start()
try:
deadline = time.monotonic() + 5.0
while not ready_path.exists() and time.monotonic() < deadline:
time.sleep(0.01)
assert ready_path.exists()
os.close(owner._descriptor) # noqa: SLF001
owner._released = True # noqa: SLF001
parent_descriptor_closed = True
with pytest.raises(ApplicationControlProcessLeaseUnavailable):
ApplicationControlProcessLease.acquire(repository_root)
release_path.touch()
worker.join(timeout=5.0)
assert not worker.is_alive()
assert len(outcome) == 1
assert isinstance(outcome[0], subprocess.CompletedProcess)
assert outcome[0].returncode == 0
with ApplicationControlProcessLease.acquire(repository_root):
pass
finally:
release_path.touch(exist_ok=True)
worker.join(timeout=5.0)
if not parent_descriptor_closed:
owner.release()
@pytest.mark.skipif(os.name != "posix", reason="helper process groups are POSIX-only")
def test_fenced_host_helper_timeout_kills_descendants_before_lock_release(
monkeypatch: pytest.MonkeyPatch,
tmp_path: Path,
) -> None:
repository_root, owner = _private_process_lease(tmp_path, monkeypatch)
descendant_code = "import time; time.sleep(30)"
group_leader_code = (
"import os,subprocess,sys,time\n"
"fds=[]\n"
"for fd in range(3,256):\n"
" try: os.fstat(fd)\n"
" except OSError: continue\n"
" fds.append(fd)\n"
"subprocess.Popen([sys.executable,'-c',sys.argv[1]],pass_fds=tuple(fds))\n"
"time.sleep(30)\n"
)
try:
with pytest.raises(subprocess.TimeoutExpired):
wifi._run_macos_helper_with_process_fence( # noqa: SLF001
[sys.executable, "-c", group_leader_code, descendant_code],
request_bytes=bytearray(b"{}"),
timeout_seconds=0.2,
process_fence_descriptor_factory=(
owner.duplicate_descriptor_for_child
),
)
finally:
owner.release()
# A surviving descendant inherited the lifecycle descriptor deliberately.
# Successful reacquisition therefore proves killpg + reap completed before
# the mutating helper returned its timeout.
with ApplicationControlProcessLease.acquire(repository_root):
pass
def test_association_reports_an_unavailable_helper_separately_from_timeout(
monkeypatch: pytest.MonkeyPatch,
tmp_path: Path,
) -> None:
monkeypatch.setattr(wifi.sys, "platform", "darwin")
def unavailable_runner(
_: list[str], **__: object
) -> subprocess.CompletedProcess[bytes]:
raise OSError("offline fixture")
with pytest.raises(
wifi.HostWifiProfileError,
match="host-wifi-helper-unavailable",
) as raised:
wifi.associate_with_wifi_profile_once(
_helper(tmp_path),
TEST_PROFILE_ID,
"XGR-OFFLINE",
runner=unavailable_runner,
)
assert raised.value.reason_code == "host-wifi-helper-unavailable"
def test_missing_helper_is_rejected_before_starting_a_process(
monkeypatch: pytest.MonkeyPatch,
tmp_path: Path,
) -> None:
monkeypatch.setattr(wifi.sys, "platform", "darwin")
missing_helper = tmp_path / "missing-associate-wifi.swift"
runner_called = False
def unexpected_runner(
_: list[str], **__: object
) -> subprocess.CompletedProcess[bytes]:
nonlocal runner_called
runner_called = True
raise AssertionError("missing helper must fail before subprocess startup")
with pytest.raises(
wifi.HostWifiProfileError,
match="host-wifi-helper-missing",
) as raised:
wifi.check_wifi_profile(
missing_helper,
TEST_PROFILE_ID,
"XGR-OFFLINE",
runner=unexpected_runner,
)
assert raised.value.reason_code == "host-wifi-helper-missing"
assert runner_called is False
def test_swift_helper_source_forbids_interactive_runtime_password_fallbacks() -> None:
source_path = (
Path(__file__).resolve().parents[1]
/ "plugins"
/ "xgrids-k1"
/ "macos"
/ "associate_wifi.swift"
)
source = source_path.read_text(encoding="utf-8")
for forbidden in (
"import AppKit",
"CWKeychainFindWiFiPassword",
"loadSystemWiFiProfile",
"promptForDevicePassword",
"NSApplication.shared",
"NSAlert",
'"native-secure-prompt"',
'"system-wifi-keychain"',
):
assert forbidden not in source
metadata_check = source[
source.index("private func keychainItemExists") : source.index(
"private func keychainReasonCode"
)
]
assert "kSecReturnAttributes as String] = true" in metadata_check
assert "kSecReturnData" not in metadata_check
assert "nonInteractiveAuthenticationContext()" in metadata_check
assert "context.interactionNotAllowed = true" in source
assert "interactionAllowed: false" in source
assert "coreWLANReasonCode(error)" in source
assert 'return "corewlan-authorization-denied"' in source
assert 'return "host-wifi-operation-timeout"' in source
ensure_profile = source[
source.index('if request.action == "ensure-profile"') : source.index(
'if request.action == "check-profile"'
)
]
assert "profile.ssid == ssid" in ensure_profile
assert 'profile.credentialSource == "exact-firmware-profile"' in ensure_profile
assert "interactionAllowed: false" in ensure_profile
check_profile = source[
source.index('if request.action == "check-profile"') : source.index(
'guard request.action == "associate"'
)
]
assert "profile.ssid == expectedSSID" in check_profile
assert 'profile.credentialSource == "exact-firmware-profile"' in check_profile
assert "interactionAllowed: false" in check_profile
association_inspection = source[
source.index('if request.action == "inspect-association"') : source.index(
'if request.action == "store-profile"'
)
]
assert "interface.ssid()" in association_inspection
assert "interface.bssid()" in association_inspection
assert "associationIdentity(" in association_inspection
assert "ssid: currentSSID" not in association_inspection
assert "bssid: currentBSSID" in association_inspection
# Raw network identifiers remain local variables inside the helper. The
# response contract exports only an opaque keyed identity and quality.
response_contract = source[
source.index("private struct HostWifiResponse") : source.index(
"private func emit"
)
]
assert "let ssid" not in response_contract
assert "let bssid" not in response_contract
assert "associationIdentity" in response_contract
assert "associationEvidence" in response_contract
ephemeral_start = source.index('if request.action == "associate-ephemeral"')
ephemeral_association = source[
ephemeral_start : source.index(" } else {", ephemeral_start)
]
assert 'credentialSource = "operation-memory"' in ephemeral_association
assert "storeProfile(" not in ephemeral_association
assert "loadProfile(" not in ephemeral_association
def test_swift_association_identity_uses_bssid_not_ssid_visibility() -> None:
source_path = (
Path(__file__).resolve().parents[1]
/ "plugins"
/ "xgrids-k1"
/ "macos"
/ "associate_wifi.swift"
)
source = source_path.read_text(encoding="utf-8")
identity_function = source[
source.index("private func associationIdentity(") : source.index(
"private let input"
)
]
association_inspection = source[
source.index('if request.action == "inspect-association"') : source.index(
'if request.action == "store-profile"'
)
]
# With the same interface+BSSID, switching between ssid+bssid and
# bssid-only evidence feeds identical material to the HMAC. SSID remains a
# local evidence-quality signal and never changes the continuity token.
assert "mission-core/host-wifi-association/v2" in identity_function
assert " ssid: String" not in identity_function
assert "appendLengthPrefixed(ssid" not in identity_function
assert "appendLengthPrefixed(interfaceName" in identity_function
assert "appendLengthPrefixed(bssid.lowercased()" in identity_function
assert "interface.ssid()" in association_inspection
assert '"bssid-only"' in association_inspection
assert '"ssid+bssid"' in association_inspection
assert "ssid: currentSSID" not in association_inspection
assert "bssid: currentBSSID" in association_inspection
def test_association_rejects_an_uninstalled_platform(
tmp_path: Path,
monkeypatch: pytest.MonkeyPatch,
) -> None:
monkeypatch.setattr(wifi.sys, "platform", "linux")
with pytest.raises(wifi.HostWifiProfileError, match="unsupported-platform"):
wifi.associate_with_wifi_profile_once(
_helper(tmp_path),
TEST_PROFILE_ID,
"XGR-OFFLINE",
)