Razvan Dimescu 3e0e85a761 feat: numa setup-phone — QR-based mobile DoT onboarding ...

Adds a CLI subcommand that generates a one-time mobileconfig profile
containing both the Numa local CA (as a com.apple.security.root payload)
and the DoT DNS settings, then serves it via a temporary HTTP server
and prints a scannable QR code in the terminal.

Flow:
  1. User runs `numa setup-phone` (no sudo needed)
  2. Detects current LAN IP, reads CA from /usr/local/var/numa/ca.pem
  3. Builds combined mobileconfig (CA trust + DoT)
  4. Renders QR code with qrcode crate (Unicode block characters)
  5. Serves the profile on port 8765, stays open until Ctrl+C
  6. Counts successful downloads (multi-device households)

Important caveat documented in instructions: even with the CA bundled
in the profile, iOS still requires the user to manually enable trust
in Settings → General → About → Certificate Trust Settings. Verified
on a real iPhone.

Stable PayloadIdentifiers/UUIDs ensure re-running replaces the
existing profile on iOS rather than accumulating duplicates.

- New module: src/setup_phone.rs (~270 lines)
- New CLI subcommand: `numa setup-phone`
- New dependency: qrcode = "0.14" (default-features = false)
- tokio "signal" feature added for Ctrl+C handling
- 3 unit tests: PEM stripping, mobileconfig generation, QR rendering

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

2026-04-10 18:04:57 +03:00

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