Four defects in how configuration is written and displayed. All are
reachable without authentication when web_viewer_password is unset,
which is an explicitly supported setup.
- ini_writer: reject sections, keys and values that cannot survive the
round-trip. update_ini_values() wrote free text straight into the
file, so a newline in any value ended the key's line and everything
after it was re-parsed as INI on the next load. Saving a greeting of
"Welcome!\n[Injected]\npwned = true" through the plugin settings
endpoint created a real new section; a repeated section name bricked
startup with DuplicateSectionError. The check lives at the writer
because three separate callers reach it, and raises IniValueError so a
bad payload is a 400 instead of a half-written file. DEFAULT is
refused as well: its keys apply to every section, and
ConfigParser.add_section('DEFAULT') raises.
- settings_store, web_viewer: persist to disk before mirroring into the
in-memory config. The mirror ran first, so a value rejected by the
writer stayed live in the running process despite never reaching
disk. Both routes taking free-form input (the zombie and offline
alert emails) had the same ordering. The zombie route also caught
only OSError, so an IniValueError there escaped as a 500 rather than
the intended 400.
- config_snapshot: redact Discord webhook URLs. Neither
discord_webhook_urls nor the [DiscordBridge] bridge.<channel> keys
matched any redaction rule, so --show-config and /admin/config
printed live webhook secrets in full; anyone holding one can post to
the channel. Telegram's api_token was already redacted. The
bridge. prefix needs its own rule because the varying part is the
channel name, leaving no fixed stem for the substring match.
- mqtt_weather, packet_capture: verify TLS certificates by default.
Both called tls_set(cert_reqs=ssl.CERT_NONE) unconditionally, so the
broker username and password sent immediately afterwards were
readable by anyone able to intercept the connection.
BREAKING: brokers presenting self-signed certificates now fail to
connect until tls_insecure (mqtt_weather) or mqttN_tls_insecure
(packet_capture) is set to true. Both log a warning while enabled.
- Added a type ignore comment for the assignment of optionxform in config_schema.py to suppress type checker warnings.
- Updated path inference logic to return None when bot latitude or longitude is not set, ensuring safer handling of missing values.
- Enhanced the decoding of path nodes to check for None before appending repeater details, preventing potential errors.