Files

78 lines
2.7 KiB
Python

"""Boot-time reconciliation of crash-prone PineAP settings."""
import time
from server import (_apply_uci_wanted, _monitor_down, _raise_monitors,
PINEAPD_SAFE_UCI, device_run)
WANTED_EXTRA = {'pineapd.@pineapd[0].autossidpool': '0'}
POOL_CLEAR_MAX = 20
MONITORS = ('wlan0mon', 'wlan1mon')
# pineapd.wlan1mon.hop is intentionally NOT part of the applied set: channel
# hopping is owned by the RF role manager (_pause_hop/_resume_hop). Hop=1 is
# the healthy recon baseline, so reconciling it here would silently disable a
# pager-enabled setting at every boot and latch GUARD PENDING after any
# attack-role switch.
GR_TTL_SECONDS = 30
_GR_CACHE = {'t': 0.0, 'data': None}
def _wanted():
wanted = {k: v for k, v in PINEAPD_SAFE_UCI.items()
if k != 'pineapd.wlan1mon.hop'}
wanted.update(WANTED_EXTRA)
return wanted
def _pool_size():
rc, out, err = device_run(
['uci', 'get', 'pineapd.@ssidpool[0].ssid'])
if rc != 0 or not (out or '').strip():
return 0
return len(out.split())
def _ensure_pineapd_section():
"""Stock daemon rewrites and profile restores can drop the whole
`config pineapd` section; every @pineapd[0] option write fails with
'Invalid argument' until it exists again. Probes SECTION existence
(`uci -q show @pineapd[0]`) — never an option, which may legitimately
be absent from a rewritten section."""
rc, out, err = device_run(['uci', '-q', 'show', 'pineapd.@pineapd[0]'])
if rc == 0:
return False
device_run(['uci', 'add', 'pineapd', 'pineapd'])
device_run(['uci', 'commit', 'pineapd'])
return True
def reconcile(clear_pool=True):
changed = []
if _ensure_pineapd_section():
changed.append('pineapd.@pineapd[0] (section recreated)')
changed += _apply_uci_wanted(_wanted())
pool_cleared = False
if clear_pool and _pool_size() > POOL_CLEAR_MAX:
device_run(['uci', 'delete', 'pineapd.@ssidpool[0].ssid'])
pool_cleared = True
if changed or pool_cleared:
device_run(['uci', 'commit', 'pineapd'])
raised = _raise_monitors() if any(_monitor_down(m) for m in MONITORS) else []
_GR_CACHE['data'] = None
return {'changed': changed, 'pool_cleared': pool_cleared,
'monitors_raised': raised}
def guard_report():
now = time.time()
cached = _GR_CACHE['data']
if cached is not None and now - _GR_CACHE['t'] < GR_TTL_SECONDS:
return cached
from server import _pending_uci
_ensure_pineapd_section()
pending = _pending_uci(_wanted())
report = {'in_sync': not pending, 'pending': pending,
'pool_size': _pool_size()}
_GR_CACHE['t'] = now
_GR_CACHE['data'] = report
return report