Check if the request is coming from an AP client (192.168.4.x)

Read a 'Length Coded Binary' number from the data buffer. Length coded numbers can be anywhere from 1 to 9 bytes depending on the val

Probe Ethernet interfaces and update cached state.

Resets to 0 iterations for repeated use. Consider combining with `leave=True`. Parameters ---------- total

Run arp-scan on local network to discover active hosts

Normalize hostnames by removing control chars, collapsing duplicates, and limiting length.

Enter sleep mode and turn off backlight.

Start the Wi-Fi management system with endless loop behavior

Stop Ragnar and cleanup all resources.

Synchronize all counts (targets, ports, vulnerabilities, credentials) across data sources. This function reads from SQLite database as the si

Insert or update a discovered network (thread-safe).

Replaces internal `message`'s text with `s`.

Configure authentication for ZAP context. auth_type: 'form', 'http_basic', 'json' auth_params for 'form': - logi

Fill the entire display with a solid RGB565 colour (default white).

Check if scanning is actually active by checking bluetoothctl status Returns: True if scanning, False if not scanning, None if unable

Point the singleton database at the active network store.

Return the local network CIDR derived from `ip` output, or None. Used as a runtime fallback when an API caller doesn't pass an explicit netwo

Generic renderer for settings screens. Font sizes match pager_menu.py's tuned values for 480x222: labels/values: 16px (TTF_MEDIUM —

Start AP mode as part of endless loop. Skipped when wardriving is enabled — wardriving needs wlan0 for scanning and AP mode (hostapd)

Fetch all ZAP alerts and convert to VulnerabilityFinding. If ZAP is down when we try to fetch, restart it and retry up to 3 times. Th

Convert WiFi frequency (MHz) to channel number.

Get a pygame font for the built-in bitmap font sizes.

Get comprehensive device information

Rich VPN/tunnel classification of an interface. Returns {is_vpn, kind, endpoint}: `kind` names the VPN technology/product (WireGuard, Tailsca

Return True if still within the post-restart grace period.

Check if MAC is a pseudo-MAC (format: 00:00:c0:a8:xx:xx or similar).

Return 'service', 'autostart', or 'not_installed' based on what's on disk.

Load an image file, with caching.

Return a list-API response listing all networks as virtual directories.

Convert NMEA lat/lon (ddmm.mmmm) to decimal degrees.

Ensure legacy or malformed configuration keys are aligned with the current schema.

Normalize a port entry string for consistent comparisons

Normalize a target URL/host for consistent storage. Extracts just the host:port portion.

Validate and sanitize a requested Wi-Fi interface name.

Remove ZAP home directory lock files to prevent 'home directory already in use'. ZAP creates a .ZAP_D_LOCK file in its home directory which p

Execute airsnitch.py with the given arguments and return parsed output.

Run a command and stream its output line-by-line to the install log.

Atomically write the sightings list. Caller must hold the lock.

Send real-time update for a scanned host

Return an open gpsd socket if gpsd is running and responsive, else None.

Decrypt the Fernet key with a wrapping key. Returns raw key bytes.

Verify a password against stored hash and salt.

Wait for a button press using thread-safe event queue. LEFT/RIGHT adjust brightness and are not returned to callers.

Write a single byte to the PCF8574 expander.

Add target URL to ZAP scope (for focused scanning)

Temporarily switch shared data to the requested SSID context.

Add a scan history entry for audit trail. Args: mac: MAC address ip: IP address scan_typ

Return any subdomains that violate registrable-domain scope. Empty list = ok.