mrambossekandClaude Fable 5
ad85f3bfcd
POST /admin/enroll-tokens now returns the whole link, not just the token: echolot://enroll?v=1&u=<control URL>&p=pin-sha256:<b64>&t=<token> The server is the only party that knows all three parts at once, and the part an operator gets wrong by hand is the base64 pin — which does not fail loudly, it just never matches, surfacing days later as an inscrutable TLS error. The app takes the link from a paste or from an echolot:// deep link (QR scan), and writes URL, pin and credential together or not at all. One trap the tests pin: an unencoded "+" in a query string decodes to a space, so a hand-assembled link arrives with a pin wrong by one character. Base64 has no spaces, so they are restored — unambiguous, and it cannot damage a correctly encoded pin. Also fixes a spec divergence: §2.1 names the field device_credential and the first implementation shipped "credential". Both are sent now and the client prefers the spec's; the alias goes once nothing reads it. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Echolot app
The production Android client (spec). Native Kotlin + Jetpack Compose. Multi-module; built bottom-up from a verifiable protocol spine.
Modules
| Module | Type | Status |
|---|---|---|
core-protocol |
pure Kotlin/JVM | done — client half of probe-protocol.md, verified live against the server |
core-measurement |
pure Kotlin/JVM | planned — measurement-schema.md types |
core-probe |
Android lib | planned — app-tier probes, ported from echolot-prober |
core-shizuku |
Android lib | planned — dual-path executor (UserService + newProcess fallback) |
app |
Android app | planned — Compose UI |
core-protocol is deliberately Android-free so it builds and unit-tests on any JDK (no Android
SDK) and can run integration tests against a live server.
core-protocol
Implements the control plane (SPKI-pinned enrollment/profile/sessions via HttpsURLConnection —
Android-API-1 compatible, hostname verification off because trust is the pin), the HKDF-SHA256
session-key schedule, and the binary ELT1 UDP data plane (HMAC gate, ECHO + observation block,
MTU probe) — byte-compatible with the Go server.
./gradlew :core-protocol:test # unit tests (crypto vectors, wire round-trip)
scripts/test-fmr.sh # live end-to-end test against the deployed server
test-fmr.sh mints an enrollment token over SSH, enrolls via the public control plane, computes
the SPKI pin from the served cert, and runs LiveServerTest — proving the client speaks the wire
protocol to the real server (enroll → profile → session → echo+observation → MTU → observations).
The live test self-skips when ECHOLOT_LIVE_* env vars are absent, so unit runs and CI stay green
offline.