archipelagoandClaude Opus 5 a05956c4ce fix(security): require a session for the LND connect info and Bitcoin RPC proxies
CRITICAL. Two app-UI ports handed unauthenticated callers full control of
the node's money. Both verified live on archi-dev-box 2026-08-02 over the
fips0 mesh ULA with no cookies.

GET /lnd-connect-info returned 200 with the LND ADMIN MACAROON, the TLS
cert, the gRPC/REST ports and the node's onion address — a complete remote
wallet-drain package, and the onion means an attacker keeps that ability
after losing network access. POST /bitcoin-rpc/ reached Bitcoin Core RPC
with credentials the proxy injected on the caller's behalf, with a wallet
loaded, so wallet methods were reachable too.

Both were reachable because ports 18083 (lnd-ui) and 8334 (bitcoin-ui)
bind 0.0.0.0 AND sit on the fips0 mesh allowlist in fips/app_ports.rs. Any
mesh peer, LAN host or Tailscale peer could take either path.

The root cause is one mistaken idea in two places: that a check performed
by a reverse proxy is an auth check. It is not — it only holds for traffic
that arrived through that proxy. /lnd-connect-info's comment said "nginx
validates session cookie (presence check), backend is bound to 127.0.0.1
so only nginx can reach it". Both clauses were false in production: the
lnd-ui container runs its OWN nginx on :18083 that proxies straight to the
backend forwarding whatever cookies arrived, including none, and that
second front door never performed the check the premise named.

So authorisation moves to the resource:

- /lnd-connect-info now requires a session, like /proxy/lnd/ beside it.
  The 401 carries CORS headers so the wallet UI shows a readable error
  rather than an opaque CORS failure.
- New GET /auth/session-check returns 204/401 and nothing else, giving
  container nginx an auth_request gate it can actually use.
- bitcoin-ui's /bitcoin-rpc/ is gated by that auth_request. Its
  `Access-Control-Allow-Origin *` is also gone: on a proxy that injects
  credentials, it let any page a user visited drive the node's RPC.
  Preflight is answered before the gate, since OPTIONS carries no cookies.

The nginx template is include_str!'d and re-rendered on every reconcile
pass, so this ships atomically with the binary.

Operators must treat the LND admin macaroon and the Bitcoin RPC password
on every affected node as compromised and rotate them AFTER this is
deployed — rotating first just re-leaks through the same hole.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
2026-08-02 15:23:19 -04:00
2026-03-17 00:03:08 +00:00

Archipelago

Self-sovereign Bitcoin node OS and manifest-driven app platform.

Archipelago is a bootable personal server OS for Bitcoin infrastructure, self-hosted apps, mesh communication, decentralized identity, and federation. Apps are packaged as declarative manifest.yml files and run as rootless Podman containers managed by the Rust backend.

Debian 13 License Rust Vue.js Version

What is here

  • core/ - Rust workspace: backend API, container runtime, security, OpenWrt helpers, and performance/resource management.
  • neode-ui/ - Vue 3 + TypeScript frontend.
  • apps/ - app manifests and custom app container sources.
  • docker/ - supporting container build contexts for UI companion surfaces.
  • image-recipe/ - bootable image/ISO build inputs.
  • Android/ - Android companion app.
  • scripts/ - development, release, deployment, and validation tooling.
  • docs/ - architecture, app packaging, operations, API, and roadmap docs.

Platform model

Archipelago is built as a developer-ready app platform, not a fixed appliance:

  • Apps are declared in apps/<app-id>/manifest.yml.
  • The Rust parser in core/container/src/manifest.rs is the canonical schema.
  • The orchestrator compiles manifests to rootless Podman/Quadlet runtime state.
  • App data lives under /var/lib/archipelago/<app-id>/.
  • Secrets are generated or read from /var/lib/archipelago/secrets/ and injected through Podman secrets rather than static environment values.
  • Release and app catalogs are signed and verified against a pinned trust anchor.

Start with:

Quick start

Frontend

cd neode-ui
npm install
npm start

The dev UI runs at http://localhost:8100 with a mock backend on :5959.

Backend

cd core
cargo build
cargo test --all-features

Linux is the supported backend runtime and release-build target. macOS is fine for frontend work and many Rust compile/test loops, but host integration tests that touch Podman, systemd, networking, or image build paths require Linux.

App manifests

./scripts/validate-app-manifest.sh apps/filebrowser/manifest.yml
python3 scripts/generate-app-catalog.py
python3 scripts/check-app-catalog-drift.py --release --strict

scripts/generate-app-catalog.py requires Python with PyYAML installed.

Documentation map

Doc Purpose
Architecture System layers, crates, data paths, security model
Developer Guide Local setup, code workflow, testing
API Reference JSON-RPC API overview
App Developer Guide How to package and test apps
App Manifest Spec Manifest schema and validation rules
Nostr Git Source Hosting Plan ngit/NIP-34 contribution workflow and maintainer model
Apps README Packaged app catalog overview
Image Recipe Bootable image build flow
Operations Runbook Production operations and recovery
Open Source Readiness Public-release cleanup checklist
Roadmap Shipped, in-progress, and planned work
Unified Task Tracker Launch hardening task list
Archive Historical plans, audits, and handoffs

Contributing

Read CONTRIBUTING.md before opening a pull request. For security issues, follow SECURITY.md and do not open a public issue.

License

Archipelago is licensed under the MIT License. Third-party notices are listed in NOTICE and generated license inventories in component release artifacts.

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