fix: harden input validation across all RPC endpoints (PENTEST-02)
Manual security audit of 130+ RPC endpoints. Critical fixes:
- LND: validate pubkey (66-char hex), Bitcoin addresses, channel points,
amount bounds, payment request format, memo length, peer address
- Package: validate_app_id on start/stop/restart/bundled-app handlers,
validate volume host paths (must be under /var/lib/archipelago/),
validate Docker image in bundled-app-start
- Container: validate_app_id on all 6 handlers, canonicalize manifest paths
- Network: path traversal prevention in connection request deletion
- Backup: backup ID validation in delete handler
- Webhooks: URL scheme validation, SSRF prevention for private IPs
- Security: validate app_id in secret rotation
- Interfaces: WiFi password length/null validation, strict IP/gateway/DNS
parsing for static ethernet config
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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