Initial commit: capability prober + design docs
Monorepo root for Echolot. Contains the no-root capability prober (Kotlin/Compose, app.echo_lot.prober) and the four design docs that act as the contract for the production app and the Go server. LICENSE is deliberately absent — still undecided, see docs/build-status.md. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
This commit is contained in:
mrambossek
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{
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"permissions": {
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"allow": [
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"WebFetch(domain:open-vsx.org)"
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]
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}
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}
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# Normalize to LF in the repo and in the working tree. Windows tooling copes;
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# CRLF in gradlew does not (it breaks the shebang under Git Bash / on CI).
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* text=auto eol=lf
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gradlew text eol=lf
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*.sh text eol=lf
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*.bat text eol=crlf
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*.cmd text eol=crlf
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*.jar binary
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*.apk binary
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*.aab binary
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*.keystore binary
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*.jks binary
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*.png binary
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# Repo-root ignores. Module-level rules live next to their module
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# (see echolot-prober/.gitignore for the Android-specific set).
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# OS noise
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.DS_Store
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Thumbs.db
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desktop.ini
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# IDEs
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.idea/
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*.iml
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*.swp
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*~
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# Machine-specific build config — never commit (contains local SDK paths)
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local.properties
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# Gradle / Android build output
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.gradle/
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build/
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*.apk
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*.aab
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# Signing material
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*.keystore
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*.jks
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keystore.properties
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# Go server (future sibling module)
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/server/bin/
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*.test
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# Secrets / environment
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.env
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.env.*
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!.env.example
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# Claude Code: settings.json is shared, per-machine overrides are not
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.claude/settings.local.json
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# Echolot — context for Claude Code
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This repo is the **capability prober** for the Echolot project: an F/OSS Android app for detecting
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and debugging local network issues (target audience: network engineers). The prober validates the
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no-root feasibility matrix on real hardware before the production app is built.
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## Project facts
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- **Name:** Echolot. Domain echo-lot.app. URI scheme `echolot://`. Namespace `app.echo_lot.*`
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(hyphen→underscore; appIds/packages can't contain hyphens). Prober appId: `app.echo_lot.prober`.
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- **Stack:** native Kotlin + Jetpack Compose. No Flutter (all value is in platform APIs;
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Flutter would be a Dart skin over a full Kotlin app + F-Droid build friction).
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- **Tiers:** `app` (no root), `shizuku` (ADB-shell privileges via wireless pairing, shipped in v1),
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`root` (future module). Every result records which tier produced it.
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- **License:** undecided (GPLv3 vs Apache-2.0). LICENSE is a TODO before going public.
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## Design docs (source of truth, in `docs/`)
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- `docs/feature-catalog-and-feasibility.md` — full feature list + no-root feasibility matrix.
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- `docs/measurement-schema.md` — the archived/exportable measurement JSON format (observation vs
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finding separation, two-clock rule, columnar trains, anonymization types).
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- `docs/probe-protocol.md` — client↔server wire protocol (pinned-TLS control plane, binary UDP data
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plane with anti-amplification HMAC, STUN, canary DNS reference records).
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- `docs/build-status.md` — running log of decisions, what is delivered, and the next steps.
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The three specs are draft-complete and user-reviewed; treat them as the contract. `build-status.md`
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is the mutable one — update it as work lands.
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Keep prober result IDs aligned with the measurement-schema test-type registry.
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## Layout
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Monorepo. The prober is one deliverable; the Go server and the production app land as siblings.
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```
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docs/ design docs (above) — apply repo-wide, not just to the prober
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echolot-prober/ the capability prober (self-contained Gradle build)
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app/src/main/java/app/echo_lot/prober/
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MainActivity.kt Compose host, runs probes sequentially
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probe/ Probe interface + all app-tier probes + OS ABI helper
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shizuku/ AIDL UserService + ShizukuRunner (shell command exec)
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export/Report.kt JSON report + share intent
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ui/ProberScreen.kt result cards colored by verdict
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```
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## Conventions
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- Every probe returns a `ProbeResult` — never throws to the caller (MainActivity wraps anyway).
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- Uncertain OS API paths (getsockoptInt, recvmsg, nat64Prefix) are reached via reflection/runCatching
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and reported, not assumed — the prober's purpose is to discover what exists.
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- Hardcoded Linux sockopt ABI numbers live in `OsAbi.kt` with rationale; do not "fix" them to
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OsConstants names that don't exist.
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## Build
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From `echolot-prober/`: `./gradlew :app:assembleDebug` (needs local Android SDK; set `sdk.dir` in
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`echolot-prober/local.properties`). The Gradle build is rooted there, not at the repo root.
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First build downloads AGP/Compose/Shizuku from Google Maven + Maven Central.
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## Likely next steps
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1. Run on physical devices; collect JSON reports across Android versions/vendors.
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2. If `trace.errqueue_reachable` is PARTIAL, add the C-over-JNI errqueue shim (recvmsg + cmsg parse)
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as a `:native` module and a real `traceroute.udp4` probe.
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3. Fold the confirmed capabilities + Shizuku dump-format samples back into the production
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`core-probe` / `core-shizuku` modules.
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# Echolot — build status & next steps
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Last updated: 2026-07-29.
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## Decided
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- Name **Echolot**; domain echo-lot.app; scheme `echolot://`; namespace `app.echo_lot.*`
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(hyphen→underscore; appIds/packages can't contain hyphens). Prober appId `app.echo_lot.prober`.
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- Stack: native **Kotlin + Jetpack Compose**, no Flutter.
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- Tiers: `app` (no root), **`shizuku` in v1** (wireless-ADB pairing), `root` future.
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- License: still undecided (GPLv3 vs Apache-2.0) — needed before repos go public.
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## Specs (in `docs/`, alongside this file)
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- `feature-catalog-and-feasibility.md`, `measurement-schema.md`, `probe-protocol.md`. Considered draft-complete and reviewed by the user.
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## Capability prober — DELIVERED (as zip, 2026-07-29)
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Full Kotlin/Compose project scaffolded: `app.echo_lot.prober`, minSdk 26 / target+compile 35,
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AGP 8.7.3, Kotlin 2.0.21, Compose BOM 2024.10, Shizuku api+provider 13.1.5, kotlinx-serialization.
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Probes implemented: `link.snapshot`, `icmp.ping4/6` (unprivileged ICMP datagram), `sockopt.matrix`
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(TTL/TOS/RECVERR/MTU_DISCOVER), `trace.errqueue_reachable`, `multinetwork.request_and_bind`,
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`local.mdns_discover`, `peer.ble_advertise`, `shizuku.command_battery` (ip neigh / ip -6 route /
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ip addr / ip monitor / dumpsys network_stack DHCP+IpClient / dumpsys wifi). JSON export via share
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intent; results carry verdict + raw evidence.
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Could NOT be compiled in the cloud sandbox: dl.google.com (Google Maven) and services.gradle.org
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are proxy-blocked, and no device is reachable for on-device runs. Build + iterate locally
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(Android Studio / Claude Code). Wrapper is pinned to Gradle 8.14.3.
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## Next steps
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1. Build locally, run on several physical devices (varied Android versions/vendors), collect the
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JSON reports — especially the real per-device Shizuku dump formats.
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2. If `trace.errqueue_reachable` = PARTIAL, add a C-over-JNI errqueue shim (`recvmsg`+cmsg parse)
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as a `:native` module and a real `traceroute.udp4` probe.
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3. Start the Go server skeleton (enrollment + profile + sessions + UDP echo with observation
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blocks + canary-DNS reference records) per probe-protocol.md.
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4. Fold confirmed capabilities into the production `core-probe` / `core-shizuku` modules.
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# Echolot (Android Network Debug App) — Feature Catalog & Feasibility (v0.1 draft)
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Status: brainstorm/design input, 2026-07-29. Premises: F/OSS, no root in v1, Wi-Fi + cellular + USB ethernet, own server infrastructure available, audience = network engineers, detailed archived/exportable measurements with a summary score.
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Decisions so far: name = **Echolot** (domain echo-lot.app, scheme echolot://, suggested appId at.rambossek.echolot); **Shizuku support in v1** (not v1.x); **native Kotlin + Jetpack Compose** (no Flutter — all value is in platform-level APIs; Flutter would be a Dart skin over a full Kotlin app and complicates F-Droid reproducible builds); **peer mode with BLE out-of-band control channel** is a headline feature.
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## 1. What no-root Android allows and forbids
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The whole design hangs on this. Verified against Linux/Android capability rules; re-check details against the current Android release before implementation.
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**Allowed without root:**
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- UDP/TCP sockets on ephemeral ports, all the usual `setsockopt`s: `IP_TTL`, `IP_RECVERR` (+ `MSG_ERRQUEUE`), `IP_MTU_DISCOVER` (DF bit / probe mode), `IP_TOS`/DSCP, ECN bits via `IP_TOS`, `SO_TIMESTAMP(NS)`.
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- ICMP echo: `socket(AF_INET, SOCK_DGRAM, IPPROTO_ICMP)` and the ICMPv6 equivalent work for any UID on Android (`ping_group_range` is opened system-wide). Echo only — the kernel filters other ICMP types.
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- Traceroute: UDP (or ICMP-echo) probes with increasing TTL + `IP_RECVERR`; time-exceeded senders are delivered on the error queue. No raw socket needed.
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- Multicast send/receive with `CHANGE_WIFI_MULTICAST_STATE` + `MulticastLock` → mDNS, SSDP, LLMNR.
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- Platform info: `ConnectivityManager`/`LinkProperties` (addresses, prefixes, routes, gateways, DNS servers, MTU, NAT64 prefix, private-DNS state, captive-portal state incl. RFC 8908 API), `WifiManager`/`WifiInfo` (RSSI, link speed, channel/band, Wi-Fi standard, security type; SSID/BSSID require fine-location permission), `TelephonyManager` (cell type, signal, APN-ish info), deprecated-but-working `DhcpInfo`.
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- Multi-network: `requestNetwork` for `TRANSPORT_CELLULAR`, `TRANSPORT_WIFI`, `TRANSPORT_ETHERNET` concurrently; `Network.bindSocket()` per probe. USB ethernet adapters supported by the kernel appear as ethernet networks.
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- `VpnService`: capture/inspect the device's own traffic without root (PCAPdroid model).
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**Shizuku tier (v1, no root — ADB-shell privileges via wireless-ADB pairing):**
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The `shell` user's SELinux domain is far less restricted than an app's. Verified capabilities to build on (each needs per-release verification; build as version-tagged parsers with graceful degradation, and record in every report which tier produced which evidence):
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- `ip neigh` → ARP/ND table: gateway MAC monitoring, ARP-spoof heuristics (moves from root-only to Shizuku tier).
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- `ip -6 route` / `ip addr` with lifetimes → RA-derived routes (`proto ra`, expiry), address valid/preferred lifetimes.
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- `ip monitor` → live netlink stream of addr/route/neigh changes (watch DHCP renewals and RA churn in real time).
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- `svc wifi disable|enable`, `cmd wifi` → trigger reconnect/re-lease programmatically, observe via `ip monitor` + dumpsys.
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- `dumpsys network_stack` / `dumpsys wifi` → IpClient logs: DHCP OFFER/ACK details, lease params, provisioning events.
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- `logcat` → network-stack log lines.
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**Not possible without root (→ future root-only module):**
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- Raw/packet sockets: own DHCP packets, ARP, RA sniffing, promiscuous/monitor capture, ESP/GRE probes.
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- Binding ports < 1024 (this alone kills a real DHCP client — replies go to UDP 68).
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- `/proc/net/*` (blocked since Android 10), netlink `RTM_GETLINK` (blocked since 11) → no ARP/neighbor table, no MAC addresses (own interface reports `02:00:00:00:00:00`).
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- Wi-Fi monitor mode, beacon-level analysis.
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**Platform gotchas to design around:** Wi-Fi scan throttling (≈4 scans/2 min foreground); fine-location permission (+ location services ON) required for SSID/BSSID/scan results; per-SSID MAC randomization; Doze/background limits → long tests need a foreground service, monitor mode uses WorkManager with coarse intervals; `NetworkInterface` enumeration is partially restricted for modern target SDKs → treat `LinkProperties` per `Network` as the source of truth.
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## 2. The original wishlist, item by item
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| Item | Feasibility (no root) | Approach |
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|---|---|---|
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| v4/v6 config readout | Full | `LinkProperties` per network: addresses, prefixes, routes, DNS, MTU, NAT64 prefix. Analyze: address scope/type, privacy extensions in use, prefix sanity, gateway in subnet, DNS reachability. |
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| Own DHCP requests + option analysis | **Blocked** | Needs port 68 or raw socket (server replies always go to UDP 68, never the requester's ephemeral port — so send-only broadcast is useless). VpnService does NOT help: TUN is a virtual L3 interface; link-scoped traffic (DHCP/ARP/ND/RA) is handled by IpClient directly on wlan0 and never routed through the VPN, and writing into the TUN only feeds your own stack. v1 fallback: read `DhcpInfo` (server, lease) + diff `LinkProperties` across lease renewals; flag server-outside-subnet, weird lease times, gateway/DNS flapping. Middle tier (v1.x): Shizuku/ADB-shell → parse `dumpsys network_stack` / `dumpsys wifi` IpClient logs (real observed DHCP OFFER/ACK details, lease params, RA provisioning events) — unstable format, needs per-release parser + graceful degradation; verify with a prototype spike. Full crafted-packet prober → root module. |
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| IPv6 RA inspection | **Blocked** (raw ICMPv6) | Indirect: multiple v6 default routes with different link-local next-hops, prefixes from unrelated aggregates, default-route churn → "multiple RA sources suspected". M/O flags and lifetimes not readable. |
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| Multiple DHCP servers / RAs | Partial | Above heuristics only; reliable detection needs sniffing (root module). Peer mode (see 3.7) can help: a second device may hold a lease from the other server — diff their views. |
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| Packet loss with patterns | Full | UDP trains to own server, sequence numbers + timestamps both directions; report per-direction loss, burstiness (Gilbert-Elliott fit), reordering, duplication, jitter distribution — not just a percentage. |
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| Multiple IP networks on one segment (VLAN leakage) | Good | mDNS/SSDP/LLMNR inventory: announcements revealing addresses in foreign prefixes; own subnet vs observed peers. Plus DHCP-flap heuristics. |
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| NAT analysis | Full | RFC 5780 STUN (needs 2 IPs on server): mapping + filtering behavior, hairpinning, port preservation/allocation pattern. Mapping lifetime measurement (idle-timeout binary search, UDP and TCP separately). CGNAT: traceroute into 100.64.0.0/10, STUN-mapped vs interface addr. Inbound: server connects back to mapped port. |
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| MTU measurement | Full (with server) | Both directions with DF via `IP_PMTUDISC_PROBE` + binary search; MSS clamping (server reports SYN MSS seen); PMTU blackhole detection (large-DF timeout while small passes); v6 fragmentation behavior; DNS large-response/TCP-fallback test. |
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| IDS/MITM detection | Good (with server) | Echo-comparison principle: server returns exactly what it received — HTTP request bytes, TLS ClientHello (JA4), DSCP/ECN, remaining TTL, source port. App diffs against what it sent. Catches transparent proxies, header injection/stripping, TLS interception (also: cert-chain pinning against out-of-band-fetched chain), DPI resets (SNI-based RST vs timeout), DSCP bleaching. ARP-spoof detection: not possible app-only, but feasible in the Shizuku tier via `ip neigh` polling (gateway MAC change detection). |
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| DNS analysis + canary zone | Full | Own resolver implementation (UDP/TCP/DoT/DoH). User-configurable **override resolvers**: full dns.* battery runs once per resolver, in parallel, incl. TTL-integrity (clamping/freezing/serve-stale vs spec-defined reference records) and answer-integrity (RDATA/flags/order/ECS vs ground truth); `dns.compare` diffs all resolvers. Canary zone with unique per-run labels → authoritative server logs actual querying resolver, source AS, EDNS/0x20/DNSSEC behavior, minimization. Client side: provider vs own-server resolver diff, interception test (DNS query to a known non-DNS IP:53 — any answer = transparent redirect), NXDOMAIN wildcarding, DNSSEC validation (known-bad zone must SERVFAIL), rebind protection (does resolver strip answers pointing to RFC1918?), AAAA filtering, DNS64 synthesis correctness, latency/cache behavior. |
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## 3. Additional test catalog (suggestions)
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### 3.1 IPv6 & dual-stack
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- Broken-v6 detection: v6 configured but blackholed (very common). Compare v4 vs v6 for every test; measure real Happy-Eyeballs behavior and fallback delay.
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- NAT64/DNS64/464XLAT/CLAT detection and correctness.
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- v6 privacy/temporary address usage; source-address selection sanity.
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### 3.2 Path & routing
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- Paris-style traceroute (fixed flow tuple) v4+v6, UDP and ICMP modes; ECMP path variance by varying flow label/ports.
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- Remaining-TTL analysis at server → hop-count asymmetry, transparent-proxy hint (TTL reset).
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- Egress identity: public IP, reverse DNS, ASN/geo (server-side lookup), consistency across protocols.
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### 3.3 Transport & middleboxes
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- ECN negotiation and survival; DSCP bleaching/remarking (server echo).
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- Outbound port/protocol sweep: 25, 465, 587, 110/143/993, 22, 53-TCP/UDP, 123, 445, 3389, 1194, 500/4500, 51820, 8080/8443, QUIC 443/UDP. Distinguish RST vs timeout vs proxy-intercepted.
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- "Is UDP usable at all" (hotel/guest networks); QUIC vs TCP-443 performance delta.
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- Rate-limit/shaping detection: ramp test, token-bucket signature; per-port throttling comparison.
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- IPv4 fragmentation and v6 fragment-header survival (server sends fragmented; client reports).
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### 3.4 Performance
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- Throughput (multi-stream TCP + paced UDP), both directions.
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- Bufferbloat: latency under load, RPM-style / Waveform-style grade.
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- Idle→active latency step on cellular (RRC state transitions).
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- Gateway RTT vs first-external-hop RTT vs server RTT → segment isolation ("is it my Wi-Fi, my router, or my ISP").
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### 3.5 Wi-Fi layer (within API limits)
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- RSSI/link-speed/channel/band/standard logging over time; roaming log (BSSID transitions, gap duration) in a walk-around mode.
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- Same-SSID environment scan: BSSIDs, bands, security types; security-downgrade and evil-twin heuristics (same SSID, different security).
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- Channel congestion snapshot from scan results (co-channel BSS count).
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### 3.6 Gateway & LAN services
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- UPnP-IGD / NAT-PMP / PCP probe: discover, query external IP, attempt (and immediately release) a mapping — capability report + security finding.
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- mDNS/SSDP/LLMNR device inventory; duplicate names, foreign-subnet announcements.
|
||||||
|
- Captive-portal analysis: RFC 8908/8910 API data + multi-URL probe matrix (HTTP/HTTPS/DNS behavior while captive).
|
||||||
|
- NTP: offset/latency to pool + own server; is 123/UDP intercepted?
|
||||||
|
|
||||||
|
### 3.7 Peer mode (two or more devices running the app)
|
||||||
|
Covers what no server can see: AP client isolation, LAN loss/jitter/throughput, multicast/IGMP delivery, cross-VLAN reachability, band-steering comparison (one device per band), roaming behavior diffing, and "do we even see the same network" (diff both devices' LinkProperties and leases — helps with the multi-DHCP question).
|
||||||
|
|
||||||
|
Design: **control plane over BLE GATT** (out-of-band — coordinating over the medium under test is self-defeating; when Wi-Fi is broken is when coordination matters most). Small CBOR messages: orchestration, result summaries. Data plane over the network under test; bulk result exchange syncs later over the network or the server. Third rendezvous path via the server when both devices have cellular. Clock sync for one-way delay: offset handshake over the LAN when usable (BLE jitter too high for precise sync — coarse coordination only). >2 devices: star topology, one coordinator. Permissions: BLUETOOTH_SCAN/CONNECT/ADVERTISE (Android 12+) with `neverForLocation`.
|
||||||
|
|
||||||
|
### 3.8 Modes & UX features
|
||||||
|
- Continuous monitor mode: lightweight periodic checks, outage/change timeline ("what broke at 03:12").
|
||||||
|
- Diff view: compare any two archived measurements (before/after, Wi-Fi vs cellular vs USB-eth, site A vs site B).
|
||||||
|
- Simultaneous multi-path run: same battery over Wi-Fi + cellular + ethernet at once via per-network socket binding.
|
||||||
|
- Scheduled runs via WorkManager (battery-honest).
|
||||||
|
|
||||||
|
### 3.9 Later (v1.5/v2)
|
||||||
|
- VpnService capture module: own-traffic pcap, per-app flows, DNS-leak analysis. Sees only routed L3 app traffic — no DHCP/ARP/ND/RA. Conflicts with real VPNs → separate opt-in.
|
||||||
|
- Root module: real DHCP prober (all options, multiple-offer capture), RA sniffer (flags, lifetimes, RDNSS), ARP/ND table + spoof detection, monitor-mode Wi-Fi where hardware allows, ESP/GRE reachability.
|
||||||
|
- Anonymized export (strip/pseudonymize addresses, SSIDs, hostnames consistently within a report).
|
||||||
|
|
||||||
|
## 4. Server-side design sketch
|
||||||
|
|
||||||
|
One self-contained daemon (Go or Rust; open-source alongside the app), deployable on multiple VMs/locations. Needs at least one host with **two public IPv4 addresses** (RFC 5780 STUN) and native v6.
|
||||||
|
|
||||||
|
Components: control API (TLS, versioned, session tokens; sessions correlate all probes of one run); UDP echo/pattern responder with receive-timestamps and observed-header report (TTL, DSCP, ECN, source port, size); TCP endpoints (MSS/window report, connect-back tester); STUN (RFC 5780); authoritative DNS for the canary zone with query logging exposed through the control API; recursive resolver for comparison; HTTPS echo endpoint (returns exact request bytes + ClientHello JA4 + observed TLS params) and reference cert-chain endpoint; large/fragmented-packet senders; NTP responder optional.
|
||||||
|
|
||||||
|
Abuse controls from day one (it is an F/OSS-published traffic reflector): session-token gating, per-IP rate limits, no amplification (responses ≤ requests unless session-authenticated), connect-back only to the session's source address.
|
||||||
|
|
||||||
|
### 4.1 Self-hosting, enrollment & profiles (decided direction)
|
||||||
|
|
||||||
|
Anyone can deploy the server in their own infrastructure. Configuration of the app happens via a **bootstrap QR / paste-string** — same payload, two transports:
|
||||||
|
|
||||||
|
```
|
||||||
|
echolot://enroll?v=1&u=<control-URL>&p=pin-sha256:<SPKI-hash>&t=<enrollment-token>
|
||||||
|
```
|
||||||
|
|
||||||
|
- QR carries only: control endpoint, server SPKI pin, one-time enrollment token. App verifies TLS against the **pin, not CAs** (self-signed homelab certs work), presents token, downloads the full profile: probe targets per location, STUN addresses, canary zone, long-lived credential, `capabilities` list.
|
||||||
|
- Trust anchor is transferred out-of-band (camera↔screen) → the reference channel is immune to CA-level/on-path interference — exactly the property the MITM/tampering tests need. Enrollment doubles as trust bootstrap.
|
||||||
|
- Profile is refreshed from the control server on each run → server-side updates without re-scanning; multi-location = one control server handing out all targets, or multiple independent profiles aggregated in the app.
|
||||||
|
- Capability negotiation via the profile's `capabilities` list (`stun-5780`, `canary-dns`, `connect-back`, `fragmented-send`, …) — third parties will run mismatched server versions forever; degrade gracefully per capability, not per version number.
|
||||||
|
- App side: CameraX + **ZXing** for scanning (NOT ML Kit — proprietary, would disqualify from F-Droid main repo). Custom URI scheme registered so any scanner app opens the enrollment.
|
||||||
|
- Server side: same single daemon serves a small admin web UI (localhost or separate admin port, admin password set at install): health/self-test, enrollment-token management (expiry, scopes enroll vs run-tests, per-token rate limits), QR rendered client-side in JS. Reinforces Go single-static-binary + `embed` for the web UI; cross-compile for ARM (VPSes, RPis).
|
||||||
|
|
||||||
|
## 5. App architecture notes
|
||||||
|
|
||||||
|
- **Decided: Kotlin + coroutines, Jetpack Compose UI. No Flutter** — all differentiating functionality is platform-level (Os sockets, Network callbacks, VpnService, NsdManager, Shizuku Binder, foreground services); Flutter would mean platform channels around a full Kotlin app plus F-Droid build friction.
|
||||||
|
- Module layout: `core-probe` (measurement engine, no UI deps → JUnit/CLI-testable, desktop-portable), `core-shizuku` (privileged tier, version-tagged parsers), `core-server` (protocol client), `core-peer` (BLE control plane + peer tests), `feature-*` per test family, thin `app` (Compose).
|
||||||
|
- Sockets via `android.system.Os` for ~95%; plan a small C-over-JNI shim (a few hundred lines, deliberately not Rust — lower contributor bar) for the corners with patchy `Os` coverage: `MSG_ERRQUEUE` reads, cmsg parsing, `SO_TIMESTAMPING`.
|
||||||
|
- Storage: Room; measurement = schema-versioned JSON (or CBOR) containing raw evidence (every packet summary, every reply, timestamps) + derived findings + per-category verdicts. Export via `ACTION_SEND`/SAF: full JSON + rendered human-readable report (HTML/PDF).
|
||||||
|
- Scoring: per-category traffic lights that expand into findings, each with severity, plain-language explanation, and raw evidence links. Engineers distrust opaque scores — always show the reasoning chain.
|
||||||
|
- Permissions: INTERNET, ACCESS_NETWORK_STATE, ACCESS_WIFI_STATE, ACCESS_FINE_LOCATION (Wi-Fi identifiers/scans), CHANGE_WIFI_MULTICAST_STATE, POST_NOTIFICATIONS, FOREGROUND_SERVICE(+type). Explain the location permission prominently — it's the one users will question.
|
||||||
|
|
||||||
|
## 6. Open decisions
|
||||||
|
|
||||||
|
(Decided: app framework = Kotlin/Compose; Shizuku tier in v1; peer mode with BLE control plane.)
|
||||||
|
|
||||||
|
1. Server language/stack: leaning Go (single static binary, embedded admin UI, ARM cross-compile) — confirm vs Rust or composing existing components (e.g. coturn for STUN).
|
||||||
|
2. minSdk: 26 keeps old spare phones usable; 29+ simplifies (cleaner APIs, but scan throttling and /proc/net loss apply anyway). Suggest 26–28 floor, decide per API audit.
|
||||||
|
3. License: GPLv3 vs Apache-2.0 (server and app can differ).
|
||||||
|
4. Measurement format: JSON vs CBOR; whether to define the schema first (recommended — it drives both app and server).
|
||||||
|
5. Canary-zone domain + how much server-side logging to retain (privacy statement needed even for a debug tool).
|
||||||
@@ -0,0 +1,285 @@
|
|||||||
|
# Echolot Measurement Schema — Spec v1 (draft 1)
|
||||||
|
|
||||||
|
Project name: **Echolot** (decided 2026-07-29; domain: echo-lot.app). Status: draft for review, 2026-07-29.
|
||||||
|
|
||||||
|
This document defines the JSON format of one **measurement run** — the unit that is archived on-device, diffed against other runs, and exported/shared. It is the contract between the probe engine, the server's observation API, the report renderer, and (later) the anonymizer.
|
||||||
|
|
||||||
|
## 1. Design rules
|
||||||
|
|
||||||
|
1. **Observation and interpretation are separated.** `tests[]` contain raw evidence and computed metrics; `findings[]` contain interpretation with references back to evidence. A reader must be able to re-derive every finding from the evidence alone.
|
||||||
|
2. **Schema-versioned.** `schema_version` is semver. Minor = additive only. Consumers must ignore unknown fields (forward compat) and must not require fields added after their version.
|
||||||
|
3. **Every value is attributable.** Each test records which network it ran on, which trust tier produced it (`app` / `shizuku` / `root`), and which server session (if any) was involved.
|
||||||
|
4. **Two clocks.** Wall-clock timestamps are RFC 3339 UTC with millisecond precision, only for human correlation. All measurement math uses `*_mono_ns`: nanoseconds since `run.clock.mono_origin` (an arbitrary per-run epoch from the monotonic clock). Never mix the two.
|
||||||
|
5. **Units in field names.** `_ms`, `_ns`, `_bytes`, `_bps`, `_pct`. No unitless numbers for physical quantities.
|
||||||
|
6. **Anonymization-ready.** Every sensitive scalar is declared with a logical type in the schema registry (§8): `ip4`, `ip6`, `mac`, `fqdn`, `ssid`, `bssid`, `imsi-ish`. The v2 anonymizer walks the schema, not the data, and transforms consistently within a document (prefix-preserving for IPs).
|
||||||
|
7. **Big arrays go columnar.** Packet-train evidence is stored as parallel arrays (§6.2), not arrays of objects — a 10 000-packet train stays in the hundreds of kB.
|
||||||
|
8. **IDs.** `run.id` and `tests[].id` are UUIDv7 (time-ordered). Cross-references use these IDs plus optional JSON Pointers for precision.
|
||||||
|
|
||||||
|
## 2. Top-level document
|
||||||
|
|
||||||
|
```json
|
||||||
|
{
|
||||||
|
"schema": "echolot/measurement",
|
||||||
|
"schema_version": "1.0.0",
|
||||||
|
"run": { ... }, // §3
|
||||||
|
"networks": [ ... ], // §4
|
||||||
|
"server_sessions": [ ... ], // §5
|
||||||
|
"tests": [ ... ], // §6
|
||||||
|
"findings": [ ... ], // §7
|
||||||
|
"summary": { ... } // §7.3
|
||||||
|
}
|
||||||
|
```
|
||||||
|
|
||||||
|
Export encoding: UTF-8 JSON, gzip for files (`.echolot.json.gz`), share intent uses MIME `application/gzip` plus a rendered HTML report alongside.
|
||||||
|
|
||||||
|
## 3. `run` — context of the whole measurement
|
||||||
|
|
||||||
|
```json
|
||||||
|
{
|
||||||
|
"id": "0198c5f2-...-uuidv7",
|
||||||
|
"trigger": "manual | scheduled | monitor | peer",
|
||||||
|
"started_at": "2026-07-29T14:03:21.114Z",
|
||||||
|
"ended_at": "2026-07-29T14:07:44.902Z",
|
||||||
|
"clock": {
|
||||||
|
"mono_origin_wall": "2026-07-29T14:03:21.114Z",
|
||||||
|
"ntp_offset_ms": -12.4, // optional, if NTP test ran
|
||||||
|
"ntp_offset_source": "test-uuid" // evidence ref
|
||||||
|
},
|
||||||
|
"app": { "version": "0.3.1", "build": 310, "git": "a1b2c3d", "flavor": "fdroid" },
|
||||||
|
"device": {
|
||||||
|
"manufacturer": "Google", "model": "Pixel 8a",
|
||||||
|
"android_sdk": 35, "android_release": "15", "security_patch": "2026-06-05"
|
||||||
|
},
|
||||||
|
"tiers": { "app": true, "shizuku": true, "root": false },
|
||||||
|
"profiles_used": ["profile-uuid", ...],
|
||||||
|
"notes": "free-text user annotation"
|
||||||
|
}
|
||||||
|
```
|
||||||
|
|
||||||
|
`tiers` records what was *available*; each test records what it *used*.
|
||||||
|
|
||||||
|
## 4. `networks[]` — one entry per Android `Network` in play
|
||||||
|
|
||||||
|
A run may exercise several networks simultaneously (Wi-Fi + cellular + USB ethernet). Everything is a snapshot at run start; a `changes[]` list captures mid-run deltas.
|
||||||
|
|
||||||
|
```json
|
||||||
|
{
|
||||||
|
"id": "net-1",
|
||||||
|
"transport": "wifi | cellular | ethernet | vpn | other",
|
||||||
|
"interface": "wlan0",
|
||||||
|
"link": {
|
||||||
|
"mtu": 1500,
|
||||||
|
"addresses": [
|
||||||
|
{ "addr": "192.0.2.23", "prefix_len": 24, "scope": "global",
|
||||||
|
"flags": ["temporary"], "valid_lft_s": 3541, "pref_lft_s": 3541 }
|
||||||
|
],
|
||||||
|
"routes": [
|
||||||
|
{ "dst": "0.0.0.0/0", "gateway": "192.0.2.1", "iface": "wlan0",
|
||||||
|
"proto": "dhcp | ra | static | unknown", "expires_s": 1799 }
|
||||||
|
],
|
||||||
|
"dns": {
|
||||||
|
"servers": ["192.0.2.1"],
|
||||||
|
"private_dns_mode": "off | opportunistic | strict",
|
||||||
|
"private_dns_hostname": null,
|
||||||
|
"search_domains": ["lan"],
|
||||||
|
"nat64_prefix": null
|
||||||
|
},
|
||||||
|
"dhcp": { "server": "192.0.2.1", "lease_s": 3600 },
|
||||||
|
"captive_portal": { "detected": false, "api_url": null, "venue_url": null }
|
||||||
|
},
|
||||||
|
"wifi": {
|
||||||
|
"ssid": "example-net", "bssid": "aa:bb:cc:dd:ee:ff",
|
||||||
|
"rssi_dbm": -54, "link_speed_mbps": 573, "frequency_mhz": 5240,
|
||||||
|
"channel_width_mhz": 80, "standard": "11ax",
|
||||||
|
"security": "wpa3-sae", "mac_randomization": true
|
||||||
|
},
|
||||||
|
"cellular": { "rat": "nr-nsa", "operator": "...", "band": "n78" },
|
||||||
|
"changes": [
|
||||||
|
{ "at_mono_ns": 91000000000, "kind": "lost | gained | link_changed",
|
||||||
|
"detail": { /* new link snapshot or diff */ } }
|
||||||
|
]
|
||||||
|
}
|
||||||
|
```
|
||||||
|
|
||||||
|
`routes[].proto` and lifetime fields are Shizuku-tier data (`ip route`/`ip addr`); app-tier snapshots leave them absent — absence means "not observed", never "not present".
|
||||||
|
|
||||||
|
## 5. `server_sessions[]`
|
||||||
|
|
||||||
|
```json
|
||||||
|
{
|
||||||
|
"id": "sess-1",
|
||||||
|
"profile_id": "profile-uuid",
|
||||||
|
"profile_name": "homelab",
|
||||||
|
"control_url": "https://probe.example.net:8443",
|
||||||
|
"server_version": "0.4.0",
|
||||||
|
"capabilities": ["udp-probe", "stun-5780", "canary-dns", "connect-back", "delayed-echo", "big-send", "tls-echo"],
|
||||||
|
"session_id": "opaque-server-issued",
|
||||||
|
"target": { "ip4": "203.0.113.10", "ip6": "2001:db8::10", "udp_port": 8442 }
|
||||||
|
}
|
||||||
|
```
|
||||||
|
|
||||||
|
`capabilities` here records what the server offered *at run time*; test-level `status: "unsupported"` records what was consequently skipped.
|
||||||
|
|
||||||
|
## 6. `tests[]` — the generic result envelope
|
||||||
|
|
||||||
|
```json
|
||||||
|
{
|
||||||
|
"id": "uuidv7",
|
||||||
|
"type": "traceroute.udp4", // registry, §6.1
|
||||||
|
"network_ref": "net-1",
|
||||||
|
"session_ref": "sess-1", // null for purely local tests
|
||||||
|
"tier": "app | shizuku | root",
|
||||||
|
"started_mono_ns": 12000000,
|
||||||
|
"ended_mono_ns": 4530000000,
|
||||||
|
"status": "ok | failed | unsupported | skipped | partial",
|
||||||
|
"error": { "code": "timeout", "detail": "..." }, // when failed/partial
|
||||||
|
"params": { ... }, // exact inputs, type-specific
|
||||||
|
"evidence": { ... }, // raw observations, type-specific
|
||||||
|
"metrics": { ... } // derived numbers, type-specific
|
||||||
|
}
|
||||||
|
```
|
||||||
|
|
||||||
|
Rules: `params` must contain everything needed to reproduce the test. `evidence` is append-only raw truth. `metrics` must be recomputable from `evidence` (renderer and diff view use `metrics`; auditors use `evidence`).
|
||||||
|
|
||||||
|
### 6.1 Test type registry (v1)
|
||||||
|
|
||||||
|
Dotted names, family first. Initial registry; additions are minor version bumps.
|
||||||
|
|
||||||
|
| Family | Types |
|
||||||
|
|---|---|
|
||||||
|
| `link` | `link.snapshot`, `link.dhcp_renewal_watch`, `link.ip_monitor` (shizuku) |
|
||||||
|
| `icmp` | `icmp.ping4`, `icmp.ping6` (targets: gateway, first-hop-external, server, public refs) |
|
||||||
|
| `trace` | `traceroute.udp4`, `traceroute.udp6`, `traceroute.icmp4`, `traceroute.icmp6` |
|
||||||
|
| `train` | `train.udp_updown` (loss/jitter/reorder/dup, both directions) |
|
||||||
|
| `mtu` | `mtu.pmtud_up`, `mtu.pmtud_down`, `mtu.blackhole`, `mtu.mss_observed`, `mtu.frag_delivery` |
|
||||||
|
| `nat` | `nat.stun_5780`, `nat.mapping_lifetime_udp`, `nat.mapping_lifetime_tcp`, `nat.hairpin`, `nat.connect_back`, `nat.cgnat_detect` |
|
||||||
|
| `dns` | `dns.resolver_inventory`, `dns.canary`, `dns.interception`, `dns.ttl_integrity`, `dns.answer_integrity`, `dns.dnssec`, `dns.nxdomain_wildcard`, `dns.rebind_filter`, `dns.aaaa_filter`, `dns.dns64`, `dns.compare` |
|
||||||
|
| `sec` | `sec.tls_reference`, `sec.clienthello_echo`, `sec.http_echo`, `sec.sni_filter`, `sec.dscp_ecn_survival`, `sec.arp_watch` (shizuku) |
|
||||||
|
| `port` | `port.reach_sweep` (outbound), `port.udp_usability` |
|
||||||
|
| `perf` | `perf.throughput_tcp`, `perf.throughput_udp`, `perf.bufferbloat`, `perf.rrc_latency` |
|
||||||
|
| `v6` | `v6.dualstack_compare`, `v6.happy_eyeballs`, `v6.brokenness`, `v6.nat64_clat` |
|
||||||
|
| `wifi` | `wifi.environment_scan`, `wifi.roam_log`, `wifi.signal_log` |
|
||||||
|
| `local` | `local.mdns_inventory`, `local.ssdp_inventory`, `local.llmnr_inventory`, `local.gateway_services` (UPnP-IGD/NAT-PMP/PCP), `local.ntp` |
|
||||||
|
| `peer` | `peer.reachability`, `peer.isolation`, `peer.multicast`, `peer.lan_train`, `peer.lease_diff` |
|
||||||
|
| `time` | `time.server_offset` (4-timestamp exchange, feeds one-way metrics) |
|
||||||
|
|
||||||
|
### 6.2 Evidence conventions for packet trains
|
||||||
|
|
||||||
|
Columnar parallel arrays, one index per probe packet. Missing observations are `null` at that index.
|
||||||
|
|
||||||
|
```json
|
||||||
|
"evidence": {
|
||||||
|
"epoch_mono_ns": 12000000,
|
||||||
|
"seq": [0, 1, 2, 3],
|
||||||
|
"t_tx_ns": [0, 20000000, 40000000, 60000000], // relative to epoch
|
||||||
|
"t_srv_rx_ns":[8123456, 28090000, null, 68240000], // server clock, session epoch
|
||||||
|
"t_srv_tx_ns":[8180000, 28150000, null, 68300000],
|
||||||
|
"t_rx_ns": [16500000, 36400000, null, 76800000],
|
||||||
|
"size_bytes": [64, 64, 64, 64],
|
||||||
|
"dscp_sent": 46, "dscp_seen_by_server": [0, 0, null, 0],
|
||||||
|
"ecn_sent": 1, "ecn_seen_by_server": [1, 1, null, 1],
|
||||||
|
"ttl_seen_by_server": [54, 54, null, 54]
|
||||||
|
}
|
||||||
|
```
|
||||||
|
|
||||||
|
Server-side observations come from the observation API (probe-protocol §6) and are merged in by the app; their clock is the server session epoch — only differences within the same clock are meaningful unless a `time.server_offset` test provides the mapping.
|
||||||
|
|
||||||
|
### 6.3 Traceroute evidence
|
||||||
|
|
||||||
|
```json
|
||||||
|
"evidence": {
|
||||||
|
"flow": { "src_port": 40123, "dst_port": 8442, "fixed_tuple": true },
|
||||||
|
"hops": [
|
||||||
|
{ "ttl": 1, "probes": [
|
||||||
|
{ "reply_from": "192.0.2.1", "rtt_ns": 1830000, "icmp": "ttl-exceeded", "reply_ttl": 64 },
|
||||||
|
{ "reply_from": null, "rtt_ns": null, "icmp": null }
|
||||||
|
]}
|
||||||
|
]
|
||||||
|
}
|
||||||
|
```
|
||||||
|
|
||||||
|
### 6.4 DNS test conventions
|
||||||
|
|
||||||
|
**Resolver targeting.** Every `dns.*` test carries a `params.resolver` object identifying the resolver under test:
|
||||||
|
|
||||||
|
```json
|
||||||
|
"resolver": {
|
||||||
|
"source": "system | manual | server-recursive",
|
||||||
|
"address": "9.9.9.9", "port": 53,
|
||||||
|
"transport": "do53-udp | do53-tcp | dot | doh",
|
||||||
|
"doh_url": null
|
||||||
|
}
|
||||||
|
```
|
||||||
|
|
||||||
|
The resolver set for a run is: all system resolvers from `LinkProperties` (per network), plus any **manually configured override resolvers** (user-entered, stored per profile or ad-hoc), plus the server's reference recursive resolver. When multiple resolvers are in scope, the full `dns.*` battery is instantiated **once per (test type × resolver) pair** and the instances run concurrently; `dns.compare` then diffs answer sets, TTL behavior, latency, and filtering verdicts across all of them. Override resolvers are tested even if unreachable from the current network (evidence of *that* is itself useful).
|
||||||
|
|
||||||
|
**`dns.ttl_integrity` methodology.** Uses the spec-defined reference records in the canary zone (probe-protocol §6.1), which have fixed, known TTLs (5 s … 7 d):
|
||||||
|
|
||||||
|
1. Cache-miss query (unique nonce label): returned TTL must equal the authoritative TTL → detects clamping (min/max caps) and static rewriting on first answer.
|
||||||
|
2. Re-query after delay *d*: TTL must have decreased by ≈ *d* → detects TTL freezing/reset-on-every-answer (middleboxes that always return the original TTL).
|
||||||
|
3. Query after expiry of a short-TTL record: detects serve-stale and over-caching.
|
||||||
|
4. Evidence records, per resolver and per reference record: authoritative TTL, returned TTLs with query times, computed clamp floor/ceiling estimates.
|
||||||
|
|
||||||
|
**`dns.answer_integrity`.** Compares the full response against spec-defined ground truth for the reference records: RDATA values, record order, flags (AA/RA/AD), case preservation (0x20), EDNS handling, CNAME flattening, stripped/injected additional records, ECS forwarding (visible in server-side canary observations). Any delta is evidence for a finding; TTL deltas are delegated to `dns.ttl_integrity`.
|
||||||
|
|
||||||
|
## 7. Findings, verdicts, summary
|
||||||
|
|
||||||
|
### 7.1 `findings[]`
|
||||||
|
|
||||||
|
```json
|
||||||
|
{
|
||||||
|
"id": "uuidv7",
|
||||||
|
"code": "dns.interception.transparent_redirect", // stable registry, like lint rules
|
||||||
|
"category": "dns", // §7.2 list
|
||||||
|
"severity": "info | low | medium | high | critical",
|
||||||
|
"confidence": "high | medium | low",
|
||||||
|
"network_ref": "net-1",
|
||||||
|
"title": "DNS queries are transparently redirected",
|
||||||
|
"description": "Plain-language explanation of what was observed and why it matters.",
|
||||||
|
"evidence_refs": [
|
||||||
|
{ "test": "test-uuid", "pointer": "/evidence/answers/2" }
|
||||||
|
],
|
||||||
|
"recommendation": "optional plain-language next step"
|
||||||
|
}
|
||||||
|
```
|
||||||
|
|
||||||
|
Finding **codes** are a stable, documented registry (`findings-registry.md`, to be written; grows continuously). A finding with no `evidence_refs` is invalid.
|
||||||
|
|
||||||
|
### 7.2 Categories
|
||||||
|
|
||||||
|
`connectivity`, `dns`, `nat`, `mtu`, `ipv6`, `security`, `performance`, `local`, `wifi`. Fixed in v1; each maps to one traffic light.
|
||||||
|
|
||||||
|
### 7.3 `summary`
|
||||||
|
|
||||||
|
```json
|
||||||
|
{
|
||||||
|
"overall": "green | yellow | red | inconclusive",
|
||||||
|
"categories": {
|
||||||
|
"dns": { "verdict": "red", "worst_finding": "finding-uuid", "tests_run": 9, "tests_failed": 0 },
|
||||||
|
"mtu": { "verdict": "green", "worst_finding": null, "tests_run": 5, "tests_failed": 0 }
|
||||||
|
}
|
||||||
|
}
|
||||||
|
```
|
||||||
|
|
||||||
|
Verdict derivation is deterministic and fixed in this spec: category = worst severity among its findings (`critical|high → red`, `medium|low → yellow`, `info/none → green`); `inconclusive` when > 50 % of the category's tests are `failed`/`unsupported`. Overall = worst category, except `inconclusive` only if all are. The UI must always allow drilling from a light to the findings to the raw evidence — no unexplained scores.
|
||||||
|
|
||||||
|
## 8. Logical type registry (anonymization contract)
|
||||||
|
|
||||||
|
The JSON Schema (machine-readable companion, `measurement.schema.json`, generated from this doc) annotates string fields with `x-echolot-type`:
|
||||||
|
|
||||||
|
| type | example fields | v2 anonymizer transform |
|
||||||
|
|---|---|---|
|
||||||
|
| `ip4`, `ip6` | addresses, routes, hops, DNS answers | prefix-preserving pseudonymization, consistent per document; well-known/reserved ranges kept verbatim |
|
||||||
|
| `mac`, `bssid` | wifi, arp_watch | OUI kept, NIC part pseudonymized |
|
||||||
|
| `fqdn` | DNS names, reverse lookups | per-label pseudonyms, public-suffix kept |
|
||||||
|
| `ssid` | wifi | pseudonym |
|
||||||
|
| `opaque-id` | session ids, tokens | redacted |
|
||||||
|
|
||||||
|
Free-text fields (`notes`, `error.detail`, dump excerpts from Shizuku parsers) cannot be safely auto-anonymized; the exporter flags them for manual review.
|
||||||
|
|
||||||
|
## 9. Open items
|
||||||
|
|
||||||
|
1. Findings registry document — start alongside the first implemented tests.
|
||||||
|
2. Whether Shizuku raw-dump excerpts (dumpsys/ip output) are embedded in `evidence` verbatim (auditable, but large and hard to anonymize) or parsed-only with an optional "attach raw dumps" toggle. Proposal: toggle, default on for local archive, default off for export.
|
||||||
|
3. Peer-mode documents: each device produces its own run; the coordinator embeds the peer's findings summary and cross-references by `run.id`. Full merge format deferred.
|
||||||
|
4. Size guardrails: soft cap 20 MB uncompressed per run; trains beyond that downsample evidence (keep aggregates + first/last N + all anomalies) and record `"evidence_truncated": true`.
|
||||||
@@ -0,0 +1,207 @@
|
|||||||
|
# Echolot Probe Protocol — Spec v1 (draft 1)
|
||||||
|
|
||||||
|
Project name: **Echolot** (decided 2026-07-29; domain: echo-lot.app). Status: draft for review, 2026-07-29. Companion to `measurement-schema.md` (evidence fields reference observations defined here).
|
||||||
|
|
||||||
|
Two planes: a **control plane** (HTTPS + JSON, key-pinned) and a **data plane** (binary UDP probe protocol, TCP/TLS/HTTP echo endpoints, standard STUN, standard DNS on the canary zone).
|
||||||
|
|
||||||
|
## 1. Transport & trust
|
||||||
|
|
||||||
|
- Control plane: HTTPS. The client validates the server certificate **only** against the SPKI pin from enrollment (`pin-sha256`, RFC 7469 computation). CA validation is not required; self-signed is first-class. Key rotation: profile may list `next_pins[]` ahead of rotation.
|
||||||
|
- All control endpoints are under `/v1/`. Version negotiation is by capability list (§2.3), never by sniffing version numbers.
|
||||||
|
- Data-plane authenticity: per-session HMAC key (§3), truncated HMAC on every UDP probe packet.
|
||||||
|
|
||||||
|
Default ports (all configurable): control HTTPS **8443**; UDP probe **8442** (same number on v4 and v6); STUN **3478** (+ alternate address per RFC 5780 — requires a second IP); TCP echo **8441**; canary DNS: standard 53 on the delegated zone.
|
||||||
|
|
||||||
|
## 2. Control plane
|
||||||
|
|
||||||
|
### 2.1 Enrollment
|
||||||
|
|
||||||
|
Bootstrap payload (QR / paste string):
|
||||||
|
|
||||||
|
```
|
||||||
|
echolot://enroll?v=1&u=<control-URL, urlencoded>&p=pin-sha256:<b64 SPKI hash>&t=<enrollment token>
|
||||||
|
```
|
||||||
|
|
||||||
|
```
|
||||||
|
POST /v1/enroll Authorization: Bearer <enrollment-token>
|
||||||
|
→ 200 { "device_credential": "<random 256-bit, b64url>",
|
||||||
|
"device_id": "uuid",
|
||||||
|
"profile": { ... §2.2 ... } }
|
||||||
|
```
|
||||||
|
|
||||||
|
Enrollment tokens are single-use with expiry, created in the admin UI, scoped `enroll`. The device credential is a long-lived bearer secret, scoped `run-tests`; it is also the HKDF input for session keys. Revocation = deleting the device in the admin UI.
|
||||||
|
|
||||||
|
### 2.2 Profile
|
||||||
|
|
||||||
|
```
|
||||||
|
GET /v1/profile Authorization: Bearer <device-credential>
|
||||||
|
```
|
||||||
|
|
||||||
|
```json
|
||||||
|
{
|
||||||
|
"profile_version": 7,
|
||||||
|
"name": "homelab",
|
||||||
|
"server_version": "0.4.0",
|
||||||
|
"capabilities": ["udp-probe", "stun-5780", "canary-dns", "connect-back",
|
||||||
|
"delayed-echo", "big-send", "tls-echo", "throughput", "ntp"],
|
||||||
|
"targets": [
|
||||||
|
{ "id": "vie-1", "location": "Vienna",
|
||||||
|
"ip4": "203.0.113.10", "ip6": "2001:db8::10",
|
||||||
|
"udp_port": 8442, "tcp_port": 8441, "stun_port": 3478,
|
||||||
|
"stun_alt": { "ip4": "203.0.113.11", "port": 3478 } }
|
||||||
|
],
|
||||||
|
"canary_zone": "c.probe.example.net",
|
||||||
|
"recursive_resolver": { "ip4": "203.0.113.10", "dot": true, "doh_url": "https://..." },
|
||||||
|
"pins": ["pin-sha256:..."], "next_pins": [],
|
||||||
|
"limits": { "max_kbps": 50000, "max_session_s": 900 }
|
||||||
|
}
|
||||||
|
```
|
||||||
|
|
||||||
|
The app re-fetches the profile at the start of every run (falling back to the cached copy offline) and records `profile_version` in the measurement.
|
||||||
|
|
||||||
|
### 2.3 Capabilities (v1 registry)
|
||||||
|
|
||||||
|
`udp-probe`, `stun-basic`, `stun-5780`, `canary-dns`, `recursive-dns`, `connect-back`, `delayed-echo`, `big-send`, `frag-send`, `tls-echo`, `http-echo`, `throughput`, `ntp`. A server omits what it can't offer (e.g. `stun-5780` without a second IP degrades to `stun-basic`). Clients must skip, and record as `unsupported`, any test whose capability is absent. Unknown capability strings are ignored.
|
||||||
|
|
||||||
|
### 2.4 Sessions
|
||||||
|
|
||||||
|
Every measurement run opens one session per target:
|
||||||
|
|
||||||
|
```
|
||||||
|
POST /v1/sessions Authorization: Bearer <device-credential>
|
||||||
|
{ "target": "vie-1" }
|
||||||
|
→ 201 { "session_id": "<opaque, 8-byte hex prefix used on the wire>",
|
||||||
|
"key_salt": "<b64, 16 bytes>",
|
||||||
|
"epoch": "server wall-clock RFC3339 at session start",
|
||||||
|
"expires_s": 900 }
|
||||||
|
```
|
||||||
|
|
||||||
|
Session key: `HKDF-SHA256(ikm = device_credential, salt = key_salt, info = "echolot-v1/" + session_id)` → 32 bytes. Both sides derive it; it never crosses the wire.
|
||||||
|
|
||||||
|
```
|
||||||
|
GET /v1/sessions/{id}/observations → §6
|
||||||
|
POST /v1/sessions/{id}/actions → §5 (connect-back, delayed echo, big/frag send)
|
||||||
|
DELETE /v1/sessions/{id}
|
||||||
|
```
|
||||||
|
|
||||||
|
### 2.5 Rate limiting & abuse
|
||||||
|
|
||||||
|
Per-credential and per-source-IP token buckets on: session creation, actions, UDP packets, bytes. `429` on control plane; silent drop on data plane (probes must tolerate loss anyway). All reflected/generated traffic goes **only** to the session's observed source address (or, for connect-back, the source address of the session-creating request). Data-plane responses to unauthenticated packets are never larger than the request (§3.4).
|
||||||
|
|
||||||
|
## 3. UDP probe protocol
|
||||||
|
|
||||||
|
### 3.1 Packet header (fixed 32 bytes, network byte order)
|
||||||
|
|
||||||
|
```
|
||||||
|
offset size field
|
||||||
|
0 4 magic "ELT1"
|
||||||
|
4 1 type
|
||||||
|
5 1 flags
|
||||||
|
6 2 payload_len
|
||||||
|
8 8 session_prefix (first 8 bytes of session_id)
|
||||||
|
16 4 seq
|
||||||
|
20 8 t_ns (sender timestamp, ns since session epoch, sender's clock)
|
||||||
|
28 4 hmac32 (first 4 bytes of HMAC-SHA256(session_key, header[0..28] || payload))
|
||||||
|
```
|
||||||
|
|
||||||
|
Padding payload is arbitrary bytes counted by `payload_len`; total datagram size is what MTU/train tests vary. `hmac32` is an anti-abuse gate, not cryptographic integrity for hostile networks — 4 bytes is enough to make blind reflection/replay impractical at the allowed rates; on-path attackers are out of scope for the data plane (tampering is what the *tests* detect). Server drops packets with unknown session prefix, bad HMAC, expired session, or seq replay outside a 1024-wide window.
|
||||||
|
|
||||||
|
### 3.2 Types
|
||||||
|
|
||||||
|
| type | dir | purpose |
|
||||||
|
|---|---|---|
|
||||||
|
| 0x01 ECHO_REQ / 0x02 ECHO_RESP | c→s / s→c | RTT, loss, reordering; RESP carries observation block (§3.3) |
|
||||||
|
| 0x03 TRAIN_DATA | c→s | upstream train, no per-packet response |
|
||||||
|
| 0x04 TRAIN_REPORT_REQ / 0x05 TRAIN_REPORT | c→s / s→c | server's received-view of an upstream train (columnar, may span multiple RESP datagrams) |
|
||||||
|
| 0x06 DOWNTRAIN_DATA | s→c | downstream train (scheduled via §5 action) |
|
||||||
|
| 0x07 TIMESYNC_REQ / 0x08 TIMESYNC_RESP | c→s / s→c | 4-timestamp exchange: client t1 in REQ; RESP carries t2 (rx) and t3 (tx); t4 on receipt. Feeds `time.server_offset` |
|
||||||
|
| 0x09 MTU_PROBE / 0x0A MTU_ACK | c→s / s→c | client sends DF-flagged sizes; ACK reports size received (ACK is small — never amplifies) |
|
||||||
|
| 0x0B DELAYED_ECHO | s→c | single packet sent T seconds after the action request (NAT mapping lifetime) |
|
||||||
|
|
||||||
|
### 3.3 Observation block (in ECHO_RESP, appended per-packet)
|
||||||
|
|
||||||
|
Server reports what it saw on the corresponding request: `t_rx_ns`, `t_tx_ns` (server clock, session epoch), observed source IP + port (detects NAT rebinding mid-flow), received TTL/hop-limit, DSCP, ECN bits, received size. This is the raw material for `train.udp_updown`, `sec.dscp_ecn_survival`, and TTL-based path-length evidence in the measurement schema.
|
||||||
|
|
||||||
|
### 3.4 Anti-amplification rule (normative)
|
||||||
|
|
||||||
|
For any datagram whose HMAC does not verify: no response ever. For verified packets: ECHO_RESP/MTU_ACK/TRAIN_REPORT responses are ≤ request size unless the session is in an **asymmetric grant** created via an authenticated control-plane action (§5), which sets an explicit byte budget and rate. DOWNTRAIN and big/frag sends exist only under such grants.
|
||||||
|
|
||||||
|
## 4. TCP, TLS and HTTP endpoints
|
||||||
|
|
||||||
|
- **TCP echo (8441):** after connect, server sends one JSON line: observed source IP/port, negotiated MSS (from `TCP_INFO`), timestamps/window-scale options seen — this is the `mtu.mss_observed` evidence. Then byte-echo until FIN. TLS variant on the same port via ALPN `elt-echo` (capability `tls-echo`): server additionally returns the ClientHello it received, raw + JA4, before echoing — the `sec.clienthello_echo` evidence.
|
||||||
|
- **HTTP echo:** `POST /v1/echo` on the control listener: returns exact received request bytes (headers + body) base64-wrapped in JSON, plus observed TLS parameters. Detects header injection/stripping/proxying (`sec.http_echo`). A plain-HTTP variant on a configurable port (default off) tests plaintext-path tampering.
|
||||||
|
- **TLS reference:** `GET /v1/tls-reference?host=<name>` returns the full cert chain the server itself serves, DER+base64, so the app can compare an out-of-band copy against what a direct handshake yielded (`sec.tls_reference`).
|
||||||
|
- **STUN:** unmodified RFC 5389/5780 on 3478; second address enables full behavior discovery. No custom framing — interop with existing tooling is a feature.
|
||||||
|
|
||||||
|
## 5. Actions (authenticated asymmetric operations)
|
||||||
|
|
||||||
|
`POST /v1/sessions/{id}/actions` with one of:
|
||||||
|
|
||||||
|
```json
|
||||||
|
{ "action": "downtrain", "count": 1000, "size_bytes": 64, "interval_us": 20000, "dscp": 46 }
|
||||||
|
{ "action": "big_send", "sizes_bytes": [1400, 1472, 1500, 1600, 2000], "df": true }
|
||||||
|
{ "action": "frag_send", "size_bytes": 2000, "family": "4 | 6" }
|
||||||
|
{ "action": "delayed_echo", "delay_s": 30 }
|
||||||
|
{ "action": "connect_back", "protocol": "tcp | udp", "port": 40123 }
|
||||||
|
{ "action": "throughput", "direction": "up | down", "streams": 4, "duration_s": 10 }
|
||||||
|
```
|
||||||
|
|
||||||
|
Rules: destination is always the session's observed source address; every action is bounded by `limits` from the profile; the response includes an `action_id` echoed in resulting data-plane packets (in payload) so evidence can be correlated. `delayed_echo` is the NAT-mapping-lifetime primitive: client binary-searches `delay_s` over repeated actions on fresh sockets.
|
||||||
|
|
||||||
|
## 6. Observations API
|
||||||
|
|
||||||
|
```
|
||||||
|
GET /v1/sessions/{id}/observations
|
||||||
|
```
|
||||||
|
|
||||||
|
Returns everything the server witnessed for this session, merged by the app into measurement evidence:
|
||||||
|
|
||||||
|
```json
|
||||||
|
{
|
||||||
|
"udp": { "packets_seen": ..., "trains": [ { columnar per-seq view } ] },
|
||||||
|
"tcp": [ { "connected_at", "src", "mss", "options": [...] } ],
|
||||||
|
"http": [ { "raw_request_b64", "tls": {...}, "ja4": "..." } ],
|
||||||
|
"dns_canary": [
|
||||||
|
{ "qname": "x7f3a.sess1.c.probe.example.net", "at": "...",
|
||||||
|
"resolver_ip": "198.51.100.7", "resolver_asn": 64500,
|
||||||
|
"transport": "udp", "edns": { "present": true, "bufsize": 1232, "flags": ["do"] },
|
||||||
|
"case_preserved": true, "qname_minimized": false }
|
||||||
|
],
|
||||||
|
"connect_back": [ { "action_id", "result": "connected | refused | timeout", "rtt_ms" } ]
|
||||||
|
}
|
||||||
|
```
|
||||||
|
|
||||||
|
Canary DNS: the app generates `<nonce>.<session-prefix>.<canary_zone>` names and resolves them through the resolver under test (system/provider resolver, user-configured override resolvers, or the server's reference recursive); the authoritative server records who actually asked and how. Query-log retention is a server-config value surfaced in the admin UI (privacy default: 24 h). The `ecs` field in canary observations records any EDNS Client Subnet option the resolver forwarded.
|
||||||
|
|
||||||
|
### 6.1 Reference records (normative, capability `canary-dns`)
|
||||||
|
|
||||||
|
The server MUST serve these fixed records under the canary zone; TTLs and RDATA are defined by this spec (not configurable), so clients have ground truth without a side channel. Used by `dns.ttl_integrity` and `dns.answer_integrity` (measurement schema §6.4).
|
||||||
|
|
||||||
|
| name | type | TTL | RDATA |
|
||||||
|
|---|---|---|---|
|
||||||
|
| `ttl-5.<zone>` | A / AAAA / TXT | 5 | `192.0.2.5` / `2001:db8::5` / `"echolot-ref ttl=5"` |
|
||||||
|
| `ttl-60.<zone>` | A / AAAA / TXT | 60 | `192.0.2.60` / `2001:db8::60` / `"echolot-ref ttl=60"` |
|
||||||
|
| `ttl-3600.<zone>` | A / AAAA / TXT | 3600 | `192.0.2.36` / `2001:db8::3600` / `"echolot-ref ttl=3600"` |
|
||||||
|
| `ttl-86400.<zone>` | A / AAAA / TXT | 86400 | `192.0.2.86` / `2001:db8::8640` / `"echolot-ref ttl=86400"` |
|
||||||
|
| `many-rr.<zone>` | A | 300 | exactly 8 A records in defined order (order/stripping check) |
|
||||||
|
| `big-txt.<zone>` | TXT | 300 | ~1800 bytes (EDNS bufsize / TCP-fallback check) |
|
||||||
|
|
||||||
|
Note: exact RDATA constants to be frozen in the implementation's `dns_reference.go` and mirrored in the app; the table above fixes the *names and TTLs*; RDATA must be deterministic, documentation-range addresses. Cache-miss variants: `<nonce>.miss.<zone>` wildcard answers with TTL 3600 and RDATA encoding the nonce (per-query ground truth that can never be pre-cached).
|
||||||
|
|
||||||
|
## 7. Server admin UI (scope note)
|
||||||
|
|
||||||
|
Same daemon, separate listener (default localhost-only): health + self-test (are both IPs live, is the canary zone delegated correctly, is UDP reachable from outside — tested via a public echolot "mirror" if configured), enrollment token management (create/expire/scope), device list + revocation, retention settings, QR rendering (client-side JS). Out of scope for this spec beyond the endpoints above.
|
||||||
|
|
||||||
|
## 8. Cross-references to the measurement schema
|
||||||
|
|
||||||
|
- Observation-block fields (§3.3) appear as `*_seen_by_server` columns in `train` evidence (schema §6.2).
|
||||||
|
- `TIMESYNC` (§3.2) produces the `time.server_offset` test; without it, cross-clock fields must not be compared (schema §6.2 note).
|
||||||
|
- Capability strings (§2.3) are copied verbatim into `server_sessions[].capabilities` (schema §5); tests skipped for missing capability get `status: "unsupported"`.
|
||||||
|
- `session_id` maps to `server_sessions[].session_id`; `action_id`s appear in test `params`.
|
||||||
|
|
||||||
|
## 9. Open items
|
||||||
|
|
||||||
|
1. Whether TRAIN_REPORT should also stream during long trains (partial reports every N packets) for live UI feedback — leaning yes, same type with a `flags` bit.
|
||||||
|
2. Throughput methodology (fixed streams vs BBR-style ramp) — decide with `perf.*` test design.
|
||||||
|
3. Server mirror/self-test protocol between two echolot servers (nice for operators; postpone).
|
||||||
|
4. IPv6 flow-label control for ECMP-variance tracing — needs `IPV6_FLOWINFO` sockopt verification on Android first (capability-prober item).
|
||||||
@@ -0,0 +1,10 @@
|
|||||||
|
.gradle/
|
||||||
|
build/
|
||||||
|
/local.properties
|
||||||
|
/.idea/
|
||||||
|
*.iml
|
||||||
|
.DS_Store
|
||||||
|
/captures
|
||||||
|
.externalNativeBuild
|
||||||
|
.cxx
|
||||||
|
/app/release
|
||||||
@@ -0,0 +1,65 @@
|
|||||||
|
# Echolot Capability Prober
|
||||||
|
|
||||||
|
A throwaway diagnostic app that runs the borderline **no-root** operations from the Echolot
|
||||||
|
feasibility matrix on a **real device** and reports what actually works on that Android build.
|
||||||
|
Its job is to turn "should work / needs verification" spec notes into observed facts before the
|
||||||
|
production app hardens around them. Several probes naturally evolve into the tier-detection code
|
||||||
|
the real app needs anyway.
|
||||||
|
|
||||||
|
Package / appId: `app.echo_lot.prober` (derived from the echo-lot.app domain; hyphen → underscore
|
||||||
|
because Android application IDs and Java packages cannot contain hyphens).
|
||||||
|
|
||||||
|
## What it probes
|
||||||
|
|
||||||
|
| Probe | Question it answers | Expected result |
|
||||||
|
|---|---|---|
|
||||||
|
| `link.snapshot` | What does `LinkProperties` expose per active network? | SUPPORTED |
|
||||||
|
| `icmp.ping4` / `icmp.ping6` | Does the unprivileged ICMP datagram socket work? | SUPPORTED (no root needed) |
|
||||||
|
| `sockopt.matrix` | Are IP_TTL, IP_TOS, IP_RECVERR, IP_MTU_DISCOVER accepted? | SUPPORTED / PARTIAL |
|
||||||
|
| `trace.errqueue_reachable` | Is errqueue traceroute reachable from the Os API? | likely PARTIAL → needs a small native shim |
|
||||||
|
| `multinetwork.request_and_bind` | Can we hold + bind Wi-Fi / cellular / ethernet concurrently? | SUPPORTED for links present now |
|
||||||
|
| `local.mdns_discover` | Does multicast reception / mDNS work with a MulticastLock? | SUPPORTED |
|
||||||
|
| `peer.ble_advertise` | Can this chipset advertise BLE (peer-mode channel)? | device-dependent |
|
||||||
|
| `shizuku.command_battery` | Does the Shizuku shell tier return neighbor table, RA routes, DHCP logs? | SUPPORTED if Shizuku running |
|
||||||
|
|
||||||
|
Each result carries a **verdict** (SUPPORTED / PARTIAL / UNSUPPORTED / INCONCLUSIVE / ERROR),
|
||||||
|
a one-line summary, and raw **evidence** (sockopt return codes, addresses, timings, and the actual
|
||||||
|
dump excerpts from the Shizuku commands — capturing the per-device format the real parsers must
|
||||||
|
handle). Export the whole run as JSON with the Export button and share it anywhere.
|
||||||
|
|
||||||
|
## Building
|
||||||
|
|
||||||
|
Needs Android Studio (Koala or newer) or a local Android SDK; **this repo was scaffolded without
|
||||||
|
network access to Google's Maven, so dependencies download on your first local build.**
|
||||||
|
|
||||||
|
```
|
||||||
|
# Point the build at your SDK (or let Android Studio create local.properties):
|
||||||
|
echo "sdk.dir=/path/to/Android/sdk" > local.properties
|
||||||
|
|
||||||
|
./gradlew :app:assembleDebug
|
||||||
|
./gradlew :app:installDebug # with a device/emulator attached
|
||||||
|
```
|
||||||
|
|
||||||
|
The debug APK lands in `app/build/outputs/apk/debug/`.
|
||||||
|
|
||||||
|
## Using the Shizuku tier
|
||||||
|
|
||||||
|
1. Install [Shizuku](https://shizuku.rikka.app/) and start it via **wireless ADB pairing** (no root).
|
||||||
|
2. Launch the prober, tap **Run all probes**. The Shizuku probe requests permission on first use.
|
||||||
|
3. If Shizuku isn't running the probe reports INCONCLUSIVE (everything else still runs).
|
||||||
|
|
||||||
|
## Notes / known gaps
|
||||||
|
|
||||||
|
- Errqueue traceroute (`MSG_ERRQUEUE` recvmsg + cmsg parse) is expected to need a native C-over-JNI
|
||||||
|
shim; this prober only confirms the sockopts + call-path availability. Wiring the shim is the
|
||||||
|
next spike if the verdict is PARTIAL.
|
||||||
|
- Multi-network probe can only bind transports physically present at run time. To exercise USB
|
||||||
|
ethernet, attach an adapter first.
|
||||||
|
- BLE advertising support is genuinely chipset-dependent; a UNSUPPORTED here is a real finding.
|
||||||
|
|
||||||
|
## Relationship to the specs
|
||||||
|
|
||||||
|
Result IDs mirror the `measurement-schema.md` test-type registry where one exists, and the JSON
|
||||||
|
report shape is a stripped-down cousin of the full measurement document. The specs live in
|
||||||
|
[`../docs/`](../docs/) — `feature-catalog-and-feasibility.md`, `measurement-schema.md`,
|
||||||
|
`probe-protocol.md`.
|
||||||
@@ -0,0 +1,53 @@
|
|||||||
|
plugins {
|
||||||
|
alias(libs.plugins.android.application)
|
||||||
|
alias(libs.plugins.kotlin.android)
|
||||||
|
alias(libs.plugins.kotlin.compose)
|
||||||
|
alias(libs.plugins.kotlin.serialization)
|
||||||
|
}
|
||||||
|
|
||||||
|
android {
|
||||||
|
namespace = "app.echo_lot.prober"
|
||||||
|
compileSdk = 35
|
||||||
|
|
||||||
|
defaultConfig {
|
||||||
|
applicationId = "app.echo_lot.prober"
|
||||||
|
minSdk = 26
|
||||||
|
targetSdk = 35
|
||||||
|
versionCode = 1
|
||||||
|
versionName = "0.1.0"
|
||||||
|
}
|
||||||
|
|
||||||
|
buildTypes {
|
||||||
|
release {
|
||||||
|
isMinifyEnabled = false
|
||||||
|
}
|
||||||
|
}
|
||||||
|
compileOptions {
|
||||||
|
sourceCompatibility = JavaVersion.VERSION_17
|
||||||
|
targetCompatibility = JavaVersion.VERSION_17
|
||||||
|
}
|
||||||
|
kotlinOptions {
|
||||||
|
jvmTarget = "17"
|
||||||
|
}
|
||||||
|
buildFeatures {
|
||||||
|
compose = true
|
||||||
|
aidl = true
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
dependencies {
|
||||||
|
implementation(libs.androidx.core.ktx)
|
||||||
|
implementation(libs.androidx.lifecycle.runtime.ktx)
|
||||||
|
implementation(libs.androidx.activity.compose)
|
||||||
|
implementation(platform(libs.androidx.compose.bom))
|
||||||
|
implementation(libs.androidx.ui)
|
||||||
|
implementation(libs.androidx.ui.graphics)
|
||||||
|
implementation(libs.androidx.ui.tooling.preview)
|
||||||
|
implementation(libs.androidx.material3)
|
||||||
|
debugImplementation(libs.androidx.ui.tooling)
|
||||||
|
|
||||||
|
implementation(libs.shizuku.api)
|
||||||
|
implementation(libs.shizuku.provider)
|
||||||
|
implementation(libs.kotlinx.serialization.json)
|
||||||
|
implementation(libs.kotlinx.coroutines.android)
|
||||||
|
}
|
||||||
@@ -0,0 +1,57 @@
|
|||||||
|
<?xml version="1.0" encoding="utf-8"?>
|
||||||
|
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
|
||||||
|
xmlns:tools="http://schemas.android.com/tools">
|
||||||
|
|
||||||
|
<uses-permission android:name="android.permission.INTERNET" />
|
||||||
|
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
|
||||||
|
<uses-permission android:name="android.permission.ACCESS_WIFI_STATE" />
|
||||||
|
<uses-permission android:name="android.permission.CHANGE_WIFI_MULTICAST_STATE" />
|
||||||
|
<uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
|
||||||
|
|
||||||
|
<!-- BLE (advertise capability probe). neverForLocation keeps us out of location gating. -->
|
||||||
|
<uses-permission android:name="android.permission.BLUETOOTH_ADVERTISE"
|
||||||
|
tools:targetApi="s" />
|
||||||
|
<uses-permission android:name="android.permission.BLUETOOTH_CONNECT"
|
||||||
|
tools:targetApi="s" />
|
||||||
|
<uses-permission android:name="android.permission.BLUETOOTH_SCAN"
|
||||||
|
android:usesPermissionFlags="neverForLocation"
|
||||||
|
tools:targetApi="s" />
|
||||||
|
|
||||||
|
<!-- Shizuku -->
|
||||||
|
<uses-permission android:name="moe.shizuku.manager.permission.API_V23" />
|
||||||
|
|
||||||
|
<application
|
||||||
|
android:allowBackup="false"
|
||||||
|
android:label="Echolot Prober"
|
||||||
|
android:supportsRtl="true"
|
||||||
|
android:theme="@style/Theme.EcholotProber">
|
||||||
|
|
||||||
|
<activity
|
||||||
|
android:name=".MainActivity"
|
||||||
|
android:exported="true">
|
||||||
|
<intent-filter>
|
||||||
|
<action android:name="android.intent.action.MAIN" />
|
||||||
|
<category android:name="android.intent.category.LAUNCHER" />
|
||||||
|
</intent-filter>
|
||||||
|
</activity>
|
||||||
|
|
||||||
|
<provider
|
||||||
|
android:name="androidx.core.content.FileProvider"
|
||||||
|
android:authorities="${applicationId}.fileprovider"
|
||||||
|
android:exported="false"
|
||||||
|
android:grantUriPermissions="true">
|
||||||
|
<meta-data
|
||||||
|
android:name="android.support.FILE_PROVIDER_PATHS"
|
||||||
|
android:resource="@xml/file_paths" />
|
||||||
|
</provider>
|
||||||
|
|
||||||
|
<!-- Shizuku binder provider -->
|
||||||
|
<provider
|
||||||
|
android:name="rikka.shizuku.ShizukuProvider"
|
||||||
|
android:authorities="${applicationId}.shizuku"
|
||||||
|
android:multiprocess="false"
|
||||||
|
android:enabled="true"
|
||||||
|
android:exported="true"
|
||||||
|
android:permission="android.permission.INTERACT_ACROSS_USERS_FULL" />
|
||||||
|
</application>
|
||||||
|
</manifest>
|
||||||
@@ -0,0 +1,11 @@
|
|||||||
|
// IUserService.aidl
|
||||||
|
package app.echo_lot.prober.shizuku;
|
||||||
|
|
||||||
|
interface IUserService {
|
||||||
|
// Runs when the service is unbound / destroyed.
|
||||||
|
void destroy() = 16777114; // Shizuku reserves this transaction id for destroy
|
||||||
|
|
||||||
|
// Execute a shell command line as the Shizuku process user (shell uid 2000, or root),
|
||||||
|
// returning combined stdout+stderr. Bounded output; the caller passes a timeout in ms.
|
||||||
|
String exec(String command, int timeoutMs) = 1;
|
||||||
|
}
|
||||||
@@ -0,0 +1,85 @@
|
|||||||
|
package app.echo_lot.prober
|
||||||
|
|
||||||
|
import android.Manifest
|
||||||
|
import android.content.Intent
|
||||||
|
import android.content.pm.PackageManager
|
||||||
|
import android.os.Build
|
||||||
|
import android.os.Bundle
|
||||||
|
import androidx.activity.ComponentActivity
|
||||||
|
import androidx.activity.compose.setContent
|
||||||
|
import androidx.activity.result.contract.ActivityResultContracts
|
||||||
|
import androidx.compose.material3.MaterialTheme
|
||||||
|
import androidx.compose.material3.Surface
|
||||||
|
import androidx.compose.runtime.getValue
|
||||||
|
import androidx.compose.runtime.mutableStateOf
|
||||||
|
import androidx.compose.runtime.setValue
|
||||||
|
import androidx.core.content.ContextCompat
|
||||||
|
import androidx.lifecycle.lifecycleScope
|
||||||
|
import app.echo_lot.prober.export.ReportWriter
|
||||||
|
import app.echo_lot.prober.probe.ProbeRegistry
|
||||||
|
import app.echo_lot.prober.probe.ProbeResult
|
||||||
|
import app.echo_lot.prober.probe.Verdict
|
||||||
|
import app.echo_lot.prober.ui.ProberScreen
|
||||||
|
import app.echo_lot.prober.ui.UiState
|
||||||
|
import kotlinx.coroutines.launch
|
||||||
|
|
||||||
|
class MainActivity : ComponentActivity() {
|
||||||
|
|
||||||
|
private var state by mutableStateOf(UiState())
|
||||||
|
|
||||||
|
private val permissionLauncher =
|
||||||
|
registerForActivityResult(ActivityResultContracts.RequestMultiplePermissions()) { /* proceed regardless */ }
|
||||||
|
|
||||||
|
override fun onCreate(savedInstanceState: Bundle?) {
|
||||||
|
super.onCreate(savedInstanceState)
|
||||||
|
requestRuntimePermissions()
|
||||||
|
setContent {
|
||||||
|
MaterialTheme {
|
||||||
|
Surface {
|
||||||
|
ProberScreen(
|
||||||
|
state = state,
|
||||||
|
onRun = ::runProbes,
|
||||||
|
onShare = ::shareReport,
|
||||||
|
)
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
private fun runProbes() {
|
||||||
|
if (state.running) return
|
||||||
|
state = state.copy(running = true, results = emptyList(), currentTitle = null)
|
||||||
|
lifecycleScope.launch {
|
||||||
|
val acc = mutableListOf<ProbeResult>()
|
||||||
|
for (probe in ProbeRegistry.all) {
|
||||||
|
state = state.copy(currentTitle = probe.title)
|
||||||
|
val result = try {
|
||||||
|
probe.run(this@MainActivity)
|
||||||
|
} catch (t: Throwable) {
|
||||||
|
ProbeResult.of(probe, Verdict.ERROR, "Uncaught: ${t.message ?: t.javaClass.simpleName}")
|
||||||
|
}
|
||||||
|
acc.add(result)
|
||||||
|
state = state.copy(results = acc.toList())
|
||||||
|
}
|
||||||
|
state = state.copy(running = false, currentTitle = null)
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
private fun shareReport() {
|
||||||
|
if (state.results.isEmpty()) return
|
||||||
|
val intent = ReportWriter.share(this, state.results)
|
||||||
|
startActivity(Intent.createChooser(intent, "Export Echolot prober report"))
|
||||||
|
}
|
||||||
|
|
||||||
|
private fun requestRuntimePermissions() {
|
||||||
|
val perms = mutableListOf(Manifest.permission.ACCESS_FINE_LOCATION)
|
||||||
|
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) {
|
||||||
|
perms += Manifest.permission.BLUETOOTH_ADVERTISE
|
||||||
|
perms += Manifest.permission.BLUETOOTH_CONNECT
|
||||||
|
}
|
||||||
|
val missing = perms.filter {
|
||||||
|
ContextCompat.checkSelfPermission(this, it) != PackageManager.PERMISSION_GRANTED
|
||||||
|
}
|
||||||
|
if (missing.isNotEmpty()) permissionLauncher.launch(missing.toTypedArray())
|
||||||
|
}
|
||||||
|
}
|
||||||
@@ -0,0 +1,56 @@
|
|||||||
|
package app.echo_lot.prober.export
|
||||||
|
|
||||||
|
import android.content.Context
|
||||||
|
import android.content.Intent
|
||||||
|
import android.os.Build
|
||||||
|
import androidx.core.content.FileProvider
|
||||||
|
import app.echo_lot.prober.probe.ProbeResult
|
||||||
|
import kotlinx.serialization.Serializable
|
||||||
|
import kotlinx.serialization.encodeToString
|
||||||
|
import kotlinx.serialization.json.Json
|
||||||
|
import java.io.File
|
||||||
|
|
||||||
|
@Serializable
|
||||||
|
data class Report(
|
||||||
|
val schema: String = "echolot/prober-report",
|
||||||
|
val schemaVersion: String = "0.1.0",
|
||||||
|
val device: DeviceInfo,
|
||||||
|
val results: List<ProbeResult>,
|
||||||
|
)
|
||||||
|
|
||||||
|
@Serializable
|
||||||
|
data class DeviceInfo(
|
||||||
|
val manufacturer: String,
|
||||||
|
val model: String,
|
||||||
|
val androidSdk: Int,
|
||||||
|
val androidRelease: String,
|
||||||
|
) {
|
||||||
|
companion object {
|
||||||
|
fun current() = DeviceInfo(
|
||||||
|
manufacturer = Build.MANUFACTURER,
|
||||||
|
model = Build.MODEL,
|
||||||
|
androidSdk = Build.VERSION.SDK_INT,
|
||||||
|
androidRelease = Build.VERSION.RELEASE,
|
||||||
|
)
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
object ReportWriter {
|
||||||
|
private val json = Json { prettyPrint = true; encodeDefaults = true }
|
||||||
|
|
||||||
|
fun toJson(results: List<ProbeResult>): String =
|
||||||
|
json.encodeToString(Report(device = DeviceInfo.current(), results = results))
|
||||||
|
|
||||||
|
/** Writes the report to cache and returns a share Intent (SEND, application/json). */
|
||||||
|
fun share(context: Context, results: List<ProbeResult>): Intent {
|
||||||
|
val dir = File(context.cacheDir, "reports").apply { mkdirs() }
|
||||||
|
val file = File(dir, "echolot-prober-${Build.MODEL.replace(' ', '_')}.json")
|
||||||
|
file.writeText(toJson(results))
|
||||||
|
val uri = FileProvider.getUriForFile(context, "${context.packageName}.fileprovider", file)
|
||||||
|
return Intent(Intent.ACTION_SEND).apply {
|
||||||
|
type = "application/json"
|
||||||
|
putExtra(Intent.EXTRA_STREAM, uri)
|
||||||
|
addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION)
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
@@ -0,0 +1,86 @@
|
|||||||
|
package app.echo_lot.prober.probe
|
||||||
|
|
||||||
|
import android.bluetooth.BluetoothManager
|
||||||
|
import android.bluetooth.le.AdvertiseCallback
|
||||||
|
import android.bluetooth.le.AdvertiseData
|
||||||
|
import android.bluetooth.le.AdvertiseSettings
|
||||||
|
import android.content.Context
|
||||||
|
import android.content.pm.PackageManager
|
||||||
|
import kotlinx.coroutines.Dispatchers
|
||||||
|
import kotlinx.coroutines.suspendCancellableCoroutine
|
||||||
|
import kotlinx.coroutines.withContext
|
||||||
|
import kotlinx.coroutines.withTimeoutOrNull
|
||||||
|
import kotlin.coroutines.resume
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Probes BLE peripheral advertising — the out-of-band control channel for peer mode. Not every
|
||||||
|
* chipset supports LE advertising, so this is a real capability question. Requires runtime
|
||||||
|
* BLUETOOTH_ADVERTISE (Android 12+); if not granted, we report INCONCLUSIVE.
|
||||||
|
*/
|
||||||
|
class BleAdvertiseProbe : Probe {
|
||||||
|
override val id = "peer.ble_advertise"
|
||||||
|
override val title = "BLE peripheral advertising (peer-mode control channel)"
|
||||||
|
override val tier = Tier.APP
|
||||||
|
|
||||||
|
override suspend fun run(context: Context): ProbeResult = withContext(Dispatchers.Main) {
|
||||||
|
val start = System.nanoTime()
|
||||||
|
val ev = LinkedHashMap<String, String>()
|
||||||
|
try {
|
||||||
|
val hasFeature = context.packageManager
|
||||||
|
.hasSystemFeature(PackageManager.FEATURE_BLUETOOTH_LE)
|
||||||
|
ev["FEATURE_BLUETOOTH_LE"] = hasFeature.toString()
|
||||||
|
|
||||||
|
val bm = context.getSystemService(BluetoothManager::class.java)
|
||||||
|
val adapter = bm?.adapter
|
||||||
|
ev["adapter_enabled"] = (adapter?.isEnabled == true).toString()
|
||||||
|
ev["multi_advertisement_supported"] =
|
||||||
|
(adapter?.isMultipleAdvertisementSupported == true).toString()
|
||||||
|
|
||||||
|
val advertiser = adapter?.bluetoothLeAdvertiser
|
||||||
|
if (advertiser == null) {
|
||||||
|
return@withContext ProbeResult.of(this@BleAdvertiseProbe, Verdict.UNSUPPORTED,
|
||||||
|
"No BLE advertiser (chipset or adapter off)", ev,
|
||||||
|
(System.nanoTime() - start) / 1_000_000)
|
||||||
|
}
|
||||||
|
|
||||||
|
val settings = AdvertiseSettings.Builder()
|
||||||
|
.setAdvertiseMode(AdvertiseSettings.ADVERTISE_MODE_LOW_LATENCY)
|
||||||
|
.setConnectable(true)
|
||||||
|
.setTimeout(2000)
|
||||||
|
.build()
|
||||||
|
val data = AdvertiseData.Builder().setIncludeDeviceName(false).build()
|
||||||
|
|
||||||
|
val result = withTimeoutOrNull(4000) {
|
||||||
|
suspendCancellableCoroutine<String> { cont ->
|
||||||
|
val cb = object : AdvertiseCallback() {
|
||||||
|
override fun onStartSuccess(s: AdvertiseSettings?) {
|
||||||
|
if (cont.isActive) cont.resume("success")
|
||||||
|
}
|
||||||
|
override fun onStartFailure(errorCode: Int) {
|
||||||
|
if (cont.isActive) cont.resume("failure:$errorCode")
|
||||||
|
}
|
||||||
|
}
|
||||||
|
try {
|
||||||
|
advertiser.startAdvertising(settings, data, cb)
|
||||||
|
cont.invokeOnCancellation { runCatching { advertiser.stopAdvertising(cb) } }
|
||||||
|
} catch (se: SecurityException) {
|
||||||
|
if (cont.isActive) cont.resume("permission_denied")
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
ev["startAdvertising"] = result ?: "timeout"
|
||||||
|
val verdict = when (result) {
|
||||||
|
"success" -> Verdict.SUPPORTED
|
||||||
|
"permission_denied", null -> Verdict.INCONCLUSIVE
|
||||||
|
else -> Verdict.UNSUPPORTED
|
||||||
|
}
|
||||||
|
ProbeResult.of(this@BleAdvertiseProbe, verdict,
|
||||||
|
"Advertising start: ${ev["startAdvertising"]}", ev,
|
||||||
|
(System.nanoTime() - start) / 1_000_000)
|
||||||
|
} catch (e: Throwable) {
|
||||||
|
ev["error"] = e.message ?: e.javaClass.simpleName
|
||||||
|
ProbeResult.of(this@BleAdvertiseProbe, Verdict.ERROR, "BLE probe failed", ev,
|
||||||
|
(System.nanoTime() - start) / 1_000_000)
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
@@ -0,0 +1,68 @@
|
|||||||
|
package app.echo_lot.prober.probe
|
||||||
|
|
||||||
|
import android.content.Context
|
||||||
|
import android.system.Os
|
||||||
|
import android.system.OsConstants
|
||||||
|
import kotlinx.coroutines.Dispatchers
|
||||||
|
import kotlinx.coroutines.withContext
|
||||||
|
import java.io.FileDescriptor
|
||||||
|
import java.net.InetAddress
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Probes whether an errqueue-based traceroute is reachable from the Java/Kotlin Os surface.
|
||||||
|
* The full technique needs recvmsg(MSG_ERRQUEUE) with cmsg parsing to pull the ICMP
|
||||||
|
* time-exceeded source address. Os.recvmsg / StructMsghdr coverage varies by API level, so we
|
||||||
|
* detect the call path via reflection and record the verdict. If unreachable here, the finding
|
||||||
|
* is: "traceroute needs the native shim" (a few hundred lines of C over JNI) — which is exactly
|
||||||
|
* what the production plan already earmarks.
|
||||||
|
*/
|
||||||
|
class ErrqueueProbe : Probe {
|
||||||
|
override val id = "trace.errqueue_reachable"
|
||||||
|
override val title = "Traceroute via IP_RECVERR + MSG_ERRQUEUE"
|
||||||
|
override val tier = Tier.APP
|
||||||
|
|
||||||
|
override suspend fun run(context: Context): ProbeResult = withContext(Dispatchers.IO) {
|
||||||
|
val start = System.nanoTime()
|
||||||
|
val ev = LinkedHashMap<String, String>()
|
||||||
|
var fd: FileDescriptor? = null
|
||||||
|
try {
|
||||||
|
fd = Os.socket(OsConstants.AF_INET, OsConstants.SOCK_DGRAM, OsConstants.IPPROTO_UDP)
|
||||||
|
val recverr = OsAbi.trySetIntOpt(fd, OsConstants.IPPROTO_IP, OsAbi.IP_RECVERR, 1)
|
||||||
|
ev["IP_RECVERR"] = recverr?.let { "reject: $it" } ?: "accepted"
|
||||||
|
val ttl = OsAbi.trySetIntOpt(fd, OsConstants.IPPROTO_IP, OsAbi.IP_TTL, 1)
|
||||||
|
ev["IP_TTL=1"] = ttl?.let { "reject: $it" } ?: "accepted"
|
||||||
|
|
||||||
|
// Fire one TTL=1 probe at a distant target so a first-hop router replies with
|
||||||
|
// time-exceeded, populating the error queue.
|
||||||
|
runCatching {
|
||||||
|
Os.sendto(fd, ByteArray(32), 0, 32, 0, InetAddress.getByName("1.1.1.1"), 33434)
|
||||||
|
}.onFailure { ev["sendto"] = it.message ?: "send failed" }
|
||||||
|
|
||||||
|
val hasMsghdr = classExists("android.system.StructMsghdr")
|
||||||
|
val hasRecvmsg = Os::class.java.methods.any { it.name == "recvmsg" }
|
||||||
|
ev["StructMsghdr"] = hasMsghdr.toString()
|
||||||
|
ev["Os.recvmsg"] = hasRecvmsg.toString()
|
||||||
|
|
||||||
|
val sockoptsOk = recverr == null && ttl == null
|
||||||
|
val verdict = when {
|
||||||
|
sockoptsOk && hasRecvmsg && hasMsghdr -> Verdict.SUPPORTED
|
||||||
|
sockoptsOk -> Verdict.PARTIAL // options work; error-queue read needs native shim
|
||||||
|
else -> Verdict.UNSUPPORTED
|
||||||
|
}
|
||||||
|
val summary = when (verdict) {
|
||||||
|
Verdict.SUPPORTED -> "Errqueue path fully reachable from Os API"
|
||||||
|
Verdict.PARTIAL -> "Sockopts OK; MSG_ERRQUEUE read needs native shim (expected)"
|
||||||
|
else -> "IP_RECVERR/IP_TTL not accepted"
|
||||||
|
}
|
||||||
|
ProbeResult.of(this@ErrqueueProbe, verdict, summary, ev, (System.nanoTime() - start) / 1_000_000)
|
||||||
|
} catch (e: Throwable) {
|
||||||
|
ev["error"] = e.message ?: e.javaClass.simpleName
|
||||||
|
ProbeResult.of(this@ErrqueueProbe, Verdict.ERROR, "errqueue probe failed", ev,
|
||||||
|
(System.nanoTime() - start) / 1_000_000)
|
||||||
|
} finally {
|
||||||
|
fd?.let { runCatching { Os.close(it) } }
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
private fun classExists(name: String) = runCatching { Class.forName(name) }.isSuccess
|
||||||
|
}
|
||||||
@@ -0,0 +1,119 @@
|
|||||||
|
package app.echo_lot.prober.probe
|
||||||
|
|
||||||
|
import android.content.Context
|
||||||
|
import android.system.Os
|
||||||
|
import android.system.OsConstants
|
||||||
|
import android.system.StructTimeval
|
||||||
|
import kotlinx.coroutines.Dispatchers
|
||||||
|
import kotlinx.coroutines.withContext
|
||||||
|
import java.io.FileDescriptor
|
||||||
|
import java.net.Inet4Address
|
||||||
|
import java.net.InetAddress
|
||||||
|
import java.nio.ByteBuffer
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Probes the unprivileged ICMP echo path: socket(AF_INET, SOCK_DGRAM, IPPROTO_ICMP).
|
||||||
|
* Android opens ping_group_range to all UIDs, so this should work without root or CAP_NET_RAW.
|
||||||
|
* If it does, the production app never needs to shell out to /system/bin/ping.
|
||||||
|
*/
|
||||||
|
class IcmpProbe(
|
||||||
|
private val v6: Boolean = false,
|
||||||
|
private val targetHost: String = if (v6) "2606:4700:4700::1111" else "1.1.1.1",
|
||||||
|
) : Probe {
|
||||||
|
override val id = if (v6) "icmp.ping6" else "icmp.ping4"
|
||||||
|
override val title = if (v6) "ICMPv6 echo (unprivileged datagram socket)"
|
||||||
|
else "ICMPv4 echo (unprivileged datagram socket)"
|
||||||
|
override val tier = Tier.APP
|
||||||
|
|
||||||
|
override suspend fun run(context: Context): ProbeResult = withContext(Dispatchers.IO) {
|
||||||
|
val start = System.nanoTime()
|
||||||
|
val ev = LinkedHashMap<String, String>()
|
||||||
|
var fd: FileDescriptor? = null
|
||||||
|
try {
|
||||||
|
val proto = if (v6) OsConstants.IPPROTO_ICMPV6 else OsConstants.IPPROTO_ICMP
|
||||||
|
val family = if (v6) OsConstants.AF_INET6 else OsConstants.AF_INET
|
||||||
|
fd = Os.socket(family, OsConstants.SOCK_DGRAM, proto)
|
||||||
|
ev["socket"] = "opened family=$family proto=$proto"
|
||||||
|
|
||||||
|
Os.setsockoptTimeval(
|
||||||
|
fd, OsConstants.SOL_SOCKET, OsConstants.SO_RCVTIMEO,
|
||||||
|
StructTimeval.fromMillis(3000),
|
||||||
|
)
|
||||||
|
|
||||||
|
val addr = InetAddress.getByName(targetHost)
|
||||||
|
ev["target"] = addr.hostAddress ?: targetHost
|
||||||
|
|
||||||
|
val ident = (Os.getpid() and 0xFFFF)
|
||||||
|
val packet = buildEchoRequest(v6, ident.toShort(), seq = 1)
|
||||||
|
val t0 = System.nanoTime()
|
||||||
|
Os.sendto(fd, packet, 0, packet.size, 0, addr, 0)
|
||||||
|
|
||||||
|
val buf = ByteBuffer.allocate(1500)
|
||||||
|
val received = Os.recvfrom(fd, buf, 0, null)
|
||||||
|
val rttMs = (System.nanoTime() - t0) / 1_000_000.0
|
||||||
|
ev["bytes_received"] = received.toString()
|
||||||
|
ev["rtt_ms"] = "%.1f".format(rttMs)
|
||||||
|
|
||||||
|
// ICMP datagram (ping) sockets deliver the ICMP message with NO IP header, so the
|
||||||
|
// type byte is at offset 0 for both families. v4 echo reply = 0, v6 echo reply = 129.
|
||||||
|
val replyType = if (received > 0) buf.get(0).toInt() and 0xFF else -1
|
||||||
|
ev["reply_type"] = replyType.toString()
|
||||||
|
ev["reply_type_meaning"] = when (replyType) {
|
||||||
|
0 -> "echo reply (v4)"; 129 -> "echo reply (v6)"; else -> "other/$replyType"
|
||||||
|
}
|
||||||
|
|
||||||
|
ProbeResult.of(
|
||||||
|
this@IcmpProbe, Verdict.SUPPORTED,
|
||||||
|
"Echo reply from ${ev["target"]} in ${ev["rtt_ms"]} ms",
|
||||||
|
ev, (System.nanoTime() - start) / 1_000_000,
|
||||||
|
)
|
||||||
|
} catch (e: Throwable) {
|
||||||
|
ev["error"] = e.message ?: e.javaClass.simpleName
|
||||||
|
val verdict = if (isPermissionLike(e)) Verdict.UNSUPPORTED else Verdict.ERROR
|
||||||
|
ProbeResult.of(
|
||||||
|
this@IcmpProbe, verdict,
|
||||||
|
"ICMP datagram socket failed: ${ev["error"]}",
|
||||||
|
ev, (System.nanoTime() - start) / 1_000_000,
|
||||||
|
)
|
||||||
|
} finally {
|
||||||
|
fd?.let { runCatching { Os.close(it) } }
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
private fun isPermissionLike(e: Throwable): Boolean {
|
||||||
|
val m = (e.message ?: "").uppercase()
|
||||||
|
return "EACCES" in m || "EPERM" in m || "EAFNOSUPPORT" in m || "EPROTONOSUPPORT" in m
|
||||||
|
}
|
||||||
|
|
||||||
|
/** Minimal ICMP echo request; kernel fills checksum for ICMPv6, we compute it for ICMPv4. */
|
||||||
|
private fun buildEchoRequest(v6: Boolean, ident: Short, seq: Short): ByteArray {
|
||||||
|
val type = if (v6) 128 else 8 // echo request
|
||||||
|
val payload = "echolot-prober".toByteArray()
|
||||||
|
val pkt = ByteBuffer.allocate(8 + payload.size)
|
||||||
|
pkt.put(type.toByte()) // type
|
||||||
|
pkt.put(0) // code
|
||||||
|
pkt.putShort(0) // checksum placeholder
|
||||||
|
pkt.putShort(ident)
|
||||||
|
pkt.putShort(seq)
|
||||||
|
pkt.put(payload)
|
||||||
|
val bytes = pkt.array()
|
||||||
|
if (!v6) {
|
||||||
|
val cs = checksum(bytes)
|
||||||
|
bytes[2] = (cs.toInt() shr 8).toByte()
|
||||||
|
bytes[3] = (cs.toInt() and 0xFF).toByte()
|
||||||
|
}
|
||||||
|
return bytes
|
||||||
|
}
|
||||||
|
|
||||||
|
private fun checksum(b: ByteArray): Short {
|
||||||
|
var sum = 0
|
||||||
|
var i = 0
|
||||||
|
while (i < b.size - 1) {
|
||||||
|
sum += ((b[i].toInt() and 0xFF) shl 8) or (b[i + 1].toInt() and 0xFF)
|
||||||
|
i += 2
|
||||||
|
}
|
||||||
|
if (i < b.size) sum += (b[i].toInt() and 0xFF) shl 8
|
||||||
|
while (sum shr 16 != 0) sum = (sum and 0xFFFF) + (sum shr 16)
|
||||||
|
return sum.inv().toShort()
|
||||||
|
}
|
||||||
|
}
|
||||||
@@ -0,0 +1,61 @@
|
|||||||
|
package app.echo_lot.prober.probe
|
||||||
|
|
||||||
|
import android.content.Context
|
||||||
|
import android.net.ConnectivityManager
|
||||||
|
import android.net.LinkProperties
|
||||||
|
import android.net.NetworkCapabilities
|
||||||
|
import kotlinx.coroutines.Dispatchers
|
||||||
|
import kotlinx.coroutines.withContext
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Reads what the platform will hand us for free about every active Network: addresses, routes,
|
||||||
|
* DNS, MTU, NAT64 prefix, private-DNS state. This is the app-tier baseline the whole IPv4/IPv6
|
||||||
|
* config analysis is built on. Also surfaces DhcpInfo indirectly (via route/DNS/gateway).
|
||||||
|
*/
|
||||||
|
class LinkPropertiesProbe : Probe {
|
||||||
|
override val id = "link.snapshot"
|
||||||
|
override val title = "LinkProperties snapshot (all active networks)"
|
||||||
|
override val tier = Tier.APP
|
||||||
|
|
||||||
|
override suspend fun run(context: Context): ProbeResult = withContext(Dispatchers.IO) {
|
||||||
|
val start = System.nanoTime()
|
||||||
|
val ev = LinkedHashMap<String, String>()
|
||||||
|
try {
|
||||||
|
val cm = context.getSystemService(ConnectivityManager::class.java)
|
||||||
|
val nets = cm.allNetworks
|
||||||
|
ev["network_count"] = nets.size.toString()
|
||||||
|
var idx = 0
|
||||||
|
for (n in nets) {
|
||||||
|
val caps: NetworkCapabilities? = cm.getNetworkCapabilities(n)
|
||||||
|
val lp: LinkProperties? = cm.getLinkProperties(n)
|
||||||
|
val transport = when {
|
||||||
|
caps == null -> "?"
|
||||||
|
caps.hasTransport(NetworkCapabilities.TRANSPORT_WIFI) -> "wifi"
|
||||||
|
caps.hasTransport(NetworkCapabilities.TRANSPORT_CELLULAR) -> "cellular"
|
||||||
|
caps.hasTransport(NetworkCapabilities.TRANSPORT_ETHERNET) -> "ethernet"
|
||||||
|
caps.hasTransport(NetworkCapabilities.TRANSPORT_VPN) -> "vpn"
|
||||||
|
else -> "other"
|
||||||
|
}
|
||||||
|
val p = "net$idx.$transport"
|
||||||
|
if (lp != null) {
|
||||||
|
ev["$p.iface"] = lp.interfaceName ?: "?"
|
||||||
|
ev["$p.mtu"] = lp.mtu.toString()
|
||||||
|
ev["$p.addrs"] = lp.linkAddresses.joinToString(", ") { it.toString() }
|
||||||
|
ev["$p.dns"] = lp.dnsServers.joinToString(", ") { it.hostAddress ?: "?" }
|
||||||
|
ev["$p.routes"] = lp.routes.joinToString(" | ") { it.toString() }
|
||||||
|
ev["$p.domains"] = lp.domains ?: ""
|
||||||
|
runCatching { ev["$p.nat64"] = lp.nat64Prefix?.toString() ?: "none" }
|
||||||
|
runCatching { ev["$p.private_dns"] = lp.privateDnsServerName ?: "off/opportunistic" }
|
||||||
|
}
|
||||||
|
idx++
|
||||||
|
}
|
||||||
|
val verdict = if (nets.isNotEmpty()) Verdict.SUPPORTED else Verdict.INCONCLUSIVE
|
||||||
|
ProbeResult.of(this@LinkPropertiesProbe, verdict,
|
||||||
|
"${nets.size} active network(s) read", ev, (System.nanoTime() - start) / 1_000_000)
|
||||||
|
} catch (e: Throwable) {
|
||||||
|
ev["error"] = e.message ?: e.javaClass.simpleName
|
||||||
|
ProbeResult.of(this@LinkPropertiesProbe, Verdict.ERROR, "read failed", ev,
|
||||||
|
(System.nanoTime() - start) / 1_000_000)
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
@@ -0,0 +1,83 @@
|
|||||||
|
package app.echo_lot.prober.probe
|
||||||
|
|
||||||
|
import android.content.Context
|
||||||
|
import android.net.ConnectivityManager
|
||||||
|
import android.net.Network
|
||||||
|
import android.net.NetworkCapabilities
|
||||||
|
import android.net.NetworkRequest
|
||||||
|
import kotlinx.coroutines.Dispatchers
|
||||||
|
import kotlinx.coroutines.suspendCancellableCoroutine
|
||||||
|
import kotlinx.coroutines.withContext
|
||||||
|
import kotlinx.coroutines.withTimeoutOrNull
|
||||||
|
import kotlin.coroutines.resume
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Probes the headline no-root feature: holding Wi-Fi, cellular, and USB ethernet up at once via
|
||||||
|
* requestNetwork, then binding a socket per network. This is what lets the app run the same
|
||||||
|
* battery over every path simultaneously and diff them. We request each transport and report
|
||||||
|
* which ones produced a bindable Network within a timeout.
|
||||||
|
*/
|
||||||
|
class MultiNetworkProbe : Probe {
|
||||||
|
override val id = "multinetwork.request_and_bind"
|
||||||
|
override val title = "Concurrent per-network binding (Wi-Fi / cellular / ethernet)"
|
||||||
|
override val tier = Tier.APP
|
||||||
|
|
||||||
|
private val transports = listOf(
|
||||||
|
"wifi" to NetworkCapabilities.TRANSPORT_WIFI,
|
||||||
|
"cellular" to NetworkCapabilities.TRANSPORT_CELLULAR,
|
||||||
|
"ethernet" to NetworkCapabilities.TRANSPORT_ETHERNET,
|
||||||
|
)
|
||||||
|
|
||||||
|
override suspend fun run(context: Context): ProbeResult = withContext(Dispatchers.IO) {
|
||||||
|
val start = System.nanoTime()
|
||||||
|
val ev = LinkedHashMap<String, String>()
|
||||||
|
val cm = context.getSystemService(ConnectivityManager::class.java)
|
||||||
|
var bound = 0
|
||||||
|
try {
|
||||||
|
for ((name, transport) in transports) {
|
||||||
|
val net: Network? = withTimeoutOrNull(4000) { requestNetwork(cm, transport) }
|
||||||
|
if (net == null) {
|
||||||
|
ev[name] = "no network within 4s"
|
||||||
|
continue
|
||||||
|
}
|
||||||
|
val bindOk = runCatching {
|
||||||
|
val s = java.net.Socket()
|
||||||
|
net.bindSocket(s)
|
||||||
|
s.close()
|
||||||
|
true
|
||||||
|
}.getOrElse { false }
|
||||||
|
val caps = cm.getNetworkCapabilities(net)
|
||||||
|
val down = caps?.linkDownstreamBandwidthKbps ?: -1
|
||||||
|
ev[name] = "network acquired; bindSocket=${if (bindOk) "ok" else "FAILED"}; downKbps=$down"
|
||||||
|
if (bindOk) bound++
|
||||||
|
}
|
||||||
|
val verdict = when {
|
||||||
|
bound >= 2 -> Verdict.SUPPORTED
|
||||||
|
bound == 1 -> Verdict.PARTIAL
|
||||||
|
else -> Verdict.INCONCLUSIVE
|
||||||
|
}
|
||||||
|
ProbeResult.of(this@MultiNetworkProbe, verdict,
|
||||||
|
"$bound transport(s) acquired and bound (only currently-present links can bind)",
|
||||||
|
ev, (System.nanoTime() - start) / 1_000_000)
|
||||||
|
} catch (e: Throwable) {
|
||||||
|
ev["error"] = e.message ?: e.javaClass.simpleName
|
||||||
|
ProbeResult.of(this@MultiNetworkProbe, Verdict.ERROR, "multi-network probe failed", ev,
|
||||||
|
(System.nanoTime() - start) / 1_000_000)
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
private suspend fun requestNetwork(cm: ConnectivityManager, transport: Int): Network =
|
||||||
|
suspendCancellableCoroutine { cont ->
|
||||||
|
val req = NetworkRequest.Builder()
|
||||||
|
.addTransportType(transport)
|
||||||
|
.addCapability(NetworkCapabilities.NET_CAPABILITY_INTERNET)
|
||||||
|
.build()
|
||||||
|
val cb = object : ConnectivityManager.NetworkCallback() {
|
||||||
|
override fun onAvailable(network: Network) {
|
||||||
|
if (cont.isActive) cont.resume(network)
|
||||||
|
}
|
||||||
|
}
|
||||||
|
cm.requestNetwork(req, cb)
|
||||||
|
cont.invokeOnCancellation { runCatching { cm.unregisterNetworkCallback(cb) } }
|
||||||
|
}
|
||||||
|
}
|
||||||
@@ -0,0 +1,65 @@
|
|||||||
|
package app.echo_lot.prober.probe
|
||||||
|
|
||||||
|
import android.content.Context
|
||||||
|
import android.net.nsd.NsdManager
|
||||||
|
import android.net.nsd.NsdServiceInfo
|
||||||
|
import android.net.wifi.WifiManager
|
||||||
|
import kotlinx.coroutines.Dispatchers
|
||||||
|
import kotlinx.coroutines.delay
|
||||||
|
import kotlinx.coroutines.withContext
|
||||||
|
import java.util.concurrent.atomic.AtomicInteger
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Probes multicast reception (MulticastLock + NSD/mDNS discovery). Confirms the app can do the
|
||||||
|
* mDNS/SSDP/LLMNR service inventory that doubles as the VLAN-leakage detector. Uses NsdManager
|
||||||
|
* as the least-privileged path; a raw 224.0.0.251:5353 listener is the fuller implementation.
|
||||||
|
*/
|
||||||
|
class MulticastProbe : Probe {
|
||||||
|
override val id = "local.mdns_discover"
|
||||||
|
override val title = "Multicast reception (MulticastLock + mDNS/NSD)"
|
||||||
|
override val tier = Tier.APP
|
||||||
|
|
||||||
|
override suspend fun run(context: Context): ProbeResult = withContext(Dispatchers.IO) {
|
||||||
|
val start = System.nanoTime()
|
||||||
|
val ev = LinkedHashMap<String, String>()
|
||||||
|
val wifi = context.getSystemService(WifiManager::class.java)
|
||||||
|
val lock = wifi?.createMulticastLock("echolot-prober")?.apply {
|
||||||
|
setReferenceCounted(false)
|
||||||
|
runCatching { acquire() }
|
||||||
|
}
|
||||||
|
ev["multicast_lock"] = if (lock?.isHeld == true) "acquired" else "not held"
|
||||||
|
|
||||||
|
val nsd = context.getSystemService(NsdManager::class.java)
|
||||||
|
val found = AtomicInteger(0)
|
||||||
|
val started = java.util.concurrent.atomic.AtomicBoolean(false)
|
||||||
|
val serviceType = "_services._dns-sd._udp." // meta-query: enumerates service types
|
||||||
|
val listener = object : NsdManager.DiscoveryListener {
|
||||||
|
override fun onStartDiscoveryFailed(t: String?, code: Int) {}
|
||||||
|
override fun onStopDiscoveryFailed(t: String?, code: Int) {}
|
||||||
|
override fun onDiscoveryStarted(t: String?) { started.set(true) }
|
||||||
|
override fun onDiscoveryStopped(t: String?) {}
|
||||||
|
override fun onServiceFound(s: NsdServiceInfo?) { found.incrementAndGet() }
|
||||||
|
override fun onServiceLost(s: NsdServiceInfo?) {}
|
||||||
|
}
|
||||||
|
try {
|
||||||
|
nsd.discoverServices(serviceType, NsdManager.PROTOCOL_DNS_SD, listener)
|
||||||
|
delay(4000)
|
||||||
|
runCatching { nsd.stopServiceDiscovery(listener) }
|
||||||
|
ev["discovery_started"] = started.get().toString()
|
||||||
|
ev["services_found"] = found.get().toString()
|
||||||
|
val verdict = when {
|
||||||
|
started.get() -> Verdict.SUPPORTED
|
||||||
|
else -> Verdict.INCONCLUSIVE
|
||||||
|
}
|
||||||
|
ProbeResult.of(this@MulticastProbe, verdict,
|
||||||
|
"mDNS discovery ${if (started.get()) "ran" else "did not start"}; ${found.get()} service type(s) seen",
|
||||||
|
ev, (System.nanoTime() - start) / 1_000_000)
|
||||||
|
} catch (e: Throwable) {
|
||||||
|
ev["error"] = e.message ?: e.javaClass.simpleName
|
||||||
|
ProbeResult.of(this@MulticastProbe, Verdict.ERROR, "mDNS probe failed", ev,
|
||||||
|
(System.nanoTime() - start) / 1_000_000)
|
||||||
|
} finally {
|
||||||
|
runCatching { lock?.release() }
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
@@ -0,0 +1,50 @@
|
|||||||
|
package app.echo_lot.prober.probe
|
||||||
|
|
||||||
|
import android.system.Os
|
||||||
|
import java.io.FileDescriptor
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Linux socket-option ABI numbers that android.system.OsConstants does NOT reliably expose.
|
||||||
|
* These are stable across Android's supported ABIs at the IP/IPv6 protocol levels, which is
|
||||||
|
* exactly why a prober can hardcode them: if setsockoptInt with one of these succeeds, the
|
||||||
|
* kernel accepted the option; if it throws ErrnoException, it did not. Either outcome is data.
|
||||||
|
*/
|
||||||
|
object OsAbi {
|
||||||
|
// IP level
|
||||||
|
const val IP_TTL = 2
|
||||||
|
const val IP_MTU_DISCOVER = 10
|
||||||
|
const val IP_MTU = 14
|
||||||
|
const val IP_RECVERR = 11
|
||||||
|
const val IP_PMTUDISC_DO = 2 // set DF, honor PMTU
|
||||||
|
const val IP_PMTUDISC_PROBE = 3 // set DF, ignore PMTU (for probing)
|
||||||
|
|
||||||
|
// IPv6 level
|
||||||
|
const val IPV6_MTU_DISCOVER = 23
|
||||||
|
const val IPV6_MTU = 24
|
||||||
|
const val IPV6_RECVERR = 25
|
||||||
|
const val IPV6_UNICAST_HOPS = 16
|
||||||
|
const val IPV6_PMTUDISC_PROBE = 3
|
||||||
|
|
||||||
|
/** Try setsockoptInt; return null on success, or the errno name on failure. */
|
||||||
|
fun trySetIntOpt(fd: FileDescriptor, level: Int, opt: Int, value: Int): String? =
|
||||||
|
try {
|
||||||
|
Os.setsockoptInt(fd, level, opt, value)
|
||||||
|
null
|
||||||
|
} catch (e: Throwable) {
|
||||||
|
e.message ?: e.javaClass.simpleName
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* getsockoptInt is not part of the stable public Os surface on every API level, so we reach
|
||||||
|
* it via reflection and let the prober report whether the call path even exists.
|
||||||
|
*/
|
||||||
|
fun tryGetIntOpt(fd: FileDescriptor, level: Int, opt: Int): Result<Int> = runCatching {
|
||||||
|
val m = Os::class.java.getMethod(
|
||||||
|
"getsockoptInt",
|
||||||
|
FileDescriptor::class.java,
|
||||||
|
Int::class.javaPrimitiveType,
|
||||||
|
Int::class.javaPrimitiveType,
|
||||||
|
)
|
||||||
|
m.invoke(null, fd, level, opt) as Int
|
||||||
|
}
|
||||||
|
}
|
||||||
@@ -0,0 +1,71 @@
|
|||||||
|
package app.echo_lot.prober.probe
|
||||||
|
|
||||||
|
import android.content.Context
|
||||||
|
import kotlinx.serialization.Serializable
|
||||||
|
|
||||||
|
/**
|
||||||
|
* A capability probe. Each probe attempts one borderline no-root operation from the Echolot
|
||||||
|
* feasibility matrix and reports whether it worked on THIS device / Android build, plus the
|
||||||
|
* raw evidence needed to understand why.
|
||||||
|
*
|
||||||
|
* The prober's whole point is to turn the spec's "should work / needs verification" notes into
|
||||||
|
* observed facts on real hardware before the production app hardens around them.
|
||||||
|
*/
|
||||||
|
interface Probe {
|
||||||
|
/** Stable id, dotted, mirrors the measurement-schema test type where one exists. */
|
||||||
|
val id: String
|
||||||
|
|
||||||
|
/** One-line human description shown in the UI. */
|
||||||
|
val title: String
|
||||||
|
|
||||||
|
/** Which trust tier this probe exercises. */
|
||||||
|
val tier: Tier
|
||||||
|
|
||||||
|
suspend fun run(context: Context): ProbeResult
|
||||||
|
}
|
||||||
|
|
||||||
|
enum class Tier { APP, SHIZUKU }
|
||||||
|
|
||||||
|
enum class Verdict {
|
||||||
|
/** Capability confirmed working. */
|
||||||
|
SUPPORTED,
|
||||||
|
/** Capability partially works (e.g. sockopt accepted but result read needs native). */
|
||||||
|
PARTIAL,
|
||||||
|
/** Capability not available on this device/build. */
|
||||||
|
UNSUPPORTED,
|
||||||
|
/** Could not determine (missing permission, no matching network, timeout). */
|
||||||
|
INCONCLUSIVE,
|
||||||
|
/** Probe threw unexpectedly. */
|
||||||
|
ERROR,
|
||||||
|
}
|
||||||
|
|
||||||
|
@Serializable
|
||||||
|
data class ProbeResult(
|
||||||
|
val id: String,
|
||||||
|
val title: String,
|
||||||
|
val tier: String,
|
||||||
|
val verdict: String,
|
||||||
|
/** Short conclusion, e.g. "ICMP datagram socket usable; RTT 14 ms to 1.1.1.1". */
|
||||||
|
val summary: String,
|
||||||
|
/** Raw key/value evidence (sockopt return codes, addresses, dump excerpts, timings). */
|
||||||
|
val evidence: Map<String, String> = emptyMap(),
|
||||||
|
val durationMs: Long = 0,
|
||||||
|
) {
|
||||||
|
companion object {
|
||||||
|
fun of(
|
||||||
|
probe: Probe,
|
||||||
|
verdict: Verdict,
|
||||||
|
summary: String,
|
||||||
|
evidence: Map<String, String> = emptyMap(),
|
||||||
|
durationMs: Long = 0,
|
||||||
|
) = ProbeResult(
|
||||||
|
id = probe.id,
|
||||||
|
title = probe.title,
|
||||||
|
tier = probe.tier.name,
|
||||||
|
verdict = verdict.name,
|
||||||
|
summary = summary,
|
||||||
|
evidence = evidence,
|
||||||
|
durationMs = durationMs,
|
||||||
|
)
|
||||||
|
}
|
||||||
|
}
|
||||||
@@ -0,0 +1,16 @@
|
|||||||
|
package app.echo_lot.prober.probe
|
||||||
|
|
||||||
|
/** All probes the app runs, in display order. */
|
||||||
|
object ProbeRegistry {
|
||||||
|
val all: List<Probe> = listOf(
|
||||||
|
LinkPropertiesProbe(),
|
||||||
|
IcmpProbe(v6 = false),
|
||||||
|
IcmpProbe(v6 = true),
|
||||||
|
SockOptProbe(),
|
||||||
|
ErrqueueProbe(),
|
||||||
|
MultiNetworkProbe(),
|
||||||
|
MulticastProbe(),
|
||||||
|
BleAdvertiseProbe(),
|
||||||
|
ShizukuProbe(),
|
||||||
|
)
|
||||||
|
}
|
||||||
@@ -0,0 +1,67 @@
|
|||||||
|
package app.echo_lot.prober.probe
|
||||||
|
|
||||||
|
import android.content.Context
|
||||||
|
import app.echo_lot.prober.shizuku.ShizukuRunner
|
||||||
|
import kotlinx.coroutines.Dispatchers
|
||||||
|
import kotlinx.coroutines.withContext
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Probes the Shizuku tier end to end: is the binder alive, is permission granted, does a bound
|
||||||
|
* UserService run as shell/root, and does the shell-privilege command battery actually return
|
||||||
|
* the data the production app wants (neighbor table, RA-derived routes with lifetimes, live
|
||||||
|
* netlink monitor, IpClient DHCP logs). Every command's output is captured as evidence so we can
|
||||||
|
* see the real, per-device dump format the parsers must handle.
|
||||||
|
*/
|
||||||
|
class ShizukuProbe : Probe {
|
||||||
|
override val id = "shizuku.command_battery"
|
||||||
|
override val title = "Shizuku shell tier (ip neigh / route / dumpsys network_stack)"
|
||||||
|
override val tier = Tier.SHIZUKU
|
||||||
|
|
||||||
|
// Kept short so the whole battery finishes quickly; ip monitor is time-bounded with timeout.
|
||||||
|
private val battery = listOf(
|
||||||
|
"id" to "id",
|
||||||
|
"ip_neigh" to "ip neigh show",
|
||||||
|
"ip6_route" to "ip -6 route show table all",
|
||||||
|
"ip_addr" to "ip addr show",
|
||||||
|
"ip_monitor" to "timeout 2 ip monitor all || true",
|
||||||
|
"dhcp_log" to "dumpsys network_stack 2>/dev/null | grep -iA2 -m 20 -e dhcp -e 'IpClient' || true",
|
||||||
|
"wifi_dump" to "dumpsys wifi 2>/dev/null | grep -iA1 -m 20 -e 'mDhcpResults' -e 'Gateway' -e 'DNS' || true",
|
||||||
|
)
|
||||||
|
|
||||||
|
override suspend fun run(context: Context): ProbeResult = withContext(Dispatchers.IO) {
|
||||||
|
val start = System.nanoTime()
|
||||||
|
val ev = LinkedHashMap<String, String>()
|
||||||
|
val runner = ShizukuRunner(context)
|
||||||
|
val st = runner.status()
|
||||||
|
ev["binder_alive"] = st.binderAlive.toString()
|
||||||
|
ev["version"] = st.version.toString()
|
||||||
|
ev["runs_as"] = st.uidName
|
||||||
|
ev["permission"] = st.permissionGranted.toString()
|
||||||
|
|
||||||
|
if (!st.binderAlive) {
|
||||||
|
return@withContext ProbeResult.of(this@ShizukuProbe, Verdict.INCONCLUSIVE,
|
||||||
|
"Shizuku not running (start Shizuku via wireless ADB and retry)", ev,
|
||||||
|
(System.nanoTime() - start) / 1_000_000)
|
||||||
|
}
|
||||||
|
if (!st.permissionGranted) {
|
||||||
|
val granted = runner.requestPermission()
|
||||||
|
ev["permission_after_request"] = granted.toString()
|
||||||
|
if (!granted) {
|
||||||
|
return@withContext ProbeResult.of(this@ShizukuProbe, Verdict.INCONCLUSIVE,
|
||||||
|
"Shizuku permission not granted", ev, (System.nanoTime() - start) / 1_000_000)
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
var ok = 0
|
||||||
|
for ((key, cmd) in battery) {
|
||||||
|
val out = runner.exec(cmd, timeoutMs = 6000)
|
||||||
|
// Truncate each excerpt so evidence stays readable; full capture is future work.
|
||||||
|
ev[key] = out.trim().take(1200)
|
||||||
|
if (!out.startsWith("SHIZUKU_") && !out.startsWith("EXEC_") && out.isNotBlank()) ok++
|
||||||
|
}
|
||||||
|
val verdict = if (ok >= 4) Verdict.SUPPORTED else if (ok >= 1) Verdict.PARTIAL else Verdict.UNSUPPORTED
|
||||||
|
ProbeResult.of(this@ShizukuProbe, verdict,
|
||||||
|
"Shizuku runs as ${st.uidName}; $ok/${battery.size} commands returned data",
|
||||||
|
ev, (System.nanoTime() - start) / 1_000_000)
|
||||||
|
}
|
||||||
|
}
|
||||||
@@ -0,0 +1,75 @@
|
|||||||
|
package app.echo_lot.prober.probe
|
||||||
|
|
||||||
|
import android.content.Context
|
||||||
|
import android.system.Os
|
||||||
|
import android.system.OsConstants
|
||||||
|
import kotlinx.coroutines.Dispatchers
|
||||||
|
import kotlinx.coroutines.withContext
|
||||||
|
import java.io.FileDescriptor
|
||||||
|
import java.net.InetAddress
|
||||||
|
import java.net.InetSocketAddress
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Probes the setsockopt families the production probe engine depends on: TTL control
|
||||||
|
* (traceroute), IP_RECVERR (errqueue-based traceroute + PMTUD), and DF / IP_MTU_DISCOVER
|
||||||
|
* (MTU probing). We only need to learn which options the kernel accepts here; actually
|
||||||
|
* reading the error queue is the native shim's job and is probed separately.
|
||||||
|
*/
|
||||||
|
class SockOptProbe : Probe {
|
||||||
|
override val id = "sockopt.matrix"
|
||||||
|
override val title = "Socket options: TTL, RECVERR, MTU_DISCOVER (DF)"
|
||||||
|
override val tier = Tier.APP
|
||||||
|
|
||||||
|
override suspend fun run(context: Context): ProbeResult = withContext(Dispatchers.IO) {
|
||||||
|
val start = System.nanoTime()
|
||||||
|
val ev = LinkedHashMap<String, String>()
|
||||||
|
var fd: FileDescriptor? = null
|
||||||
|
try {
|
||||||
|
fd = Os.socket(OsConstants.AF_INET, OsConstants.SOCK_DGRAM, OsConstants.IPPROTO_UDP)
|
||||||
|
|
||||||
|
ev["IP_TTL"] = OsAbi.trySetIntOpt(fd, OsConstants.IPPROTO_IP, OsAbi.IP_TTL, 5)
|
||||||
|
?.let { "reject: $it" } ?: "accepted (ttl=5)"
|
||||||
|
|
||||||
|
ev["IP_TOS/DSCP"] = OsAbi.trySetIntOpt(fd, OsConstants.IPPROTO_IP, OsConstants.IP_TOS, 0xB8)
|
||||||
|
?.let { "reject: $it" } ?: "accepted (EF/46)"
|
||||||
|
|
||||||
|
ev["IP_RECVERR"] = OsAbi.trySetIntOpt(fd, OsConstants.IPPROTO_IP, OsAbi.IP_RECVERR, 1)
|
||||||
|
?.let { "reject: $it" } ?: "accepted"
|
||||||
|
|
||||||
|
ev["IP_MTU_DISCOVER=PROBE"] = OsAbi.trySetIntOpt(
|
||||||
|
fd, OsConstants.IPPROTO_IP, OsAbi.IP_MTU_DISCOVER, OsAbi.IP_PMTUDISC_PROBE,
|
||||||
|
)?.let { "reject: $it" } ?: "accepted (DF set)"
|
||||||
|
|
||||||
|
// After connecting, IP_MTU should report the path MTU guess.
|
||||||
|
runCatching {
|
||||||
|
Os.connect(fd, InetAddress.getByName("1.1.1.1"), 33434)
|
||||||
|
}
|
||||||
|
val mtu = OsAbi.tryGetIntOpt(fd, OsConstants.IPPROTO_IP, OsAbi.IP_MTU)
|
||||||
|
ev["IP_MTU(read)"] = mtu.fold(
|
||||||
|
onSuccess = { "$it (getsockoptInt reachable)" },
|
||||||
|
onFailure = { "unreadable: ${it.message ?: it.javaClass.simpleName}" },
|
||||||
|
)
|
||||||
|
|
||||||
|
val accepted = ev.values.count { it.startsWith("accepted") }
|
||||||
|
val verdict = when {
|
||||||
|
accepted >= 4 -> Verdict.SUPPORTED
|
||||||
|
accepted >= 2 -> Verdict.PARTIAL
|
||||||
|
else -> Verdict.UNSUPPORTED
|
||||||
|
}
|
||||||
|
ProbeResult.of(
|
||||||
|
this@SockOptProbe, verdict,
|
||||||
|
"$accepted/4 core sockopts accepted; IP_MTU read=${mtu.isSuccess}",
|
||||||
|
ev, (System.nanoTime() - start) / 1_000_000,
|
||||||
|
)
|
||||||
|
} catch (e: Throwable) {
|
||||||
|
ev["error"] = e.message ?: e.javaClass.simpleName
|
||||||
|
ProbeResult.of(
|
||||||
|
this@SockOptProbe, Verdict.ERROR,
|
||||||
|
"sockopt probe failed: ${ev["error"]}", ev,
|
||||||
|
(System.nanoTime() - start) / 1_000_000,
|
||||||
|
)
|
||||||
|
} finally {
|
||||||
|
fd?.let { runCatching { Os.close(it) } }
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
@@ -0,0 +1,90 @@
|
|||||||
|
package app.echo_lot.prober.shizuku
|
||||||
|
|
||||||
|
import android.content.ComponentName
|
||||||
|
import android.content.Context
|
||||||
|
import android.content.ServiceConnection
|
||||||
|
import android.content.pm.PackageManager
|
||||||
|
import android.os.IBinder
|
||||||
|
import kotlinx.coroutines.CompletableDeferred
|
||||||
|
import kotlinx.coroutines.withTimeoutOrNull
|
||||||
|
import rikka.shizuku.Shizuku
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Thin wrapper over the Shizuku binder + a bound UserService. Reports availability, permission,
|
||||||
|
* and can run shell commands as the shell/root user.
|
||||||
|
*/
|
||||||
|
class ShizukuRunner(private val context: Context) {
|
||||||
|
|
||||||
|
data class Status(
|
||||||
|
val binderAlive: Boolean,
|
||||||
|
val version: Int,
|
||||||
|
val uidName: String,
|
||||||
|
val permissionGranted: Boolean,
|
||||||
|
)
|
||||||
|
|
||||||
|
fun status(): Status {
|
||||||
|
val alive = runCatching { Shizuku.pingBinder() }.getOrDefault(false)
|
||||||
|
val version = if (alive) runCatching { Shizuku.getVersion() }.getOrDefault(-1) else -1
|
||||||
|
val uid = if (alive) runCatching { Shizuku.getUid() }.getOrDefault(-1) else -1
|
||||||
|
val uidName = when (uid) {
|
||||||
|
0 -> "root(0)"
|
||||||
|
2000 -> "shell(2000)"
|
||||||
|
-1 -> "unknown"
|
||||||
|
else -> "uid=$uid"
|
||||||
|
}
|
||||||
|
val granted = alive && runCatching {
|
||||||
|
Shizuku.checkSelfPermission() == PackageManager.PERMISSION_GRANTED
|
||||||
|
}.getOrDefault(false)
|
||||||
|
return Status(alive, version, uidName, granted)
|
||||||
|
}
|
||||||
|
|
||||||
|
suspend fun requestPermission(): Boolean {
|
||||||
|
val s = status()
|
||||||
|
if (!s.binderAlive) return false
|
||||||
|
if (s.permissionGranted) return true
|
||||||
|
val deferred = CompletableDeferred<Boolean>()
|
||||||
|
val code = 0xE1
|
||||||
|
val listener = object : Shizuku.OnRequestPermissionResultListener {
|
||||||
|
override fun onRequestPermissionResult(requestCode: Int, grantResult: Int) {
|
||||||
|
if (requestCode == code) {
|
||||||
|
Shizuku.removeRequestPermissionResultListener(this)
|
||||||
|
deferred.complete(grantResult == PackageManager.PERMISSION_GRANTED)
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
Shizuku.addRequestPermissionResultListener(listener)
|
||||||
|
runCatching { Shizuku.requestPermission(code) }
|
||||||
|
return withTimeoutOrNull(30000) { deferred.await() } ?: false
|
||||||
|
}
|
||||||
|
|
||||||
|
private val serviceArgs = Shizuku.UserServiceArgs(
|
||||||
|
ComponentName(context.packageName, UserService::class.java.name),
|
||||||
|
)
|
||||||
|
.daemon(false)
|
||||||
|
.processNameSuffix("prober")
|
||||||
|
.version(1)
|
||||||
|
|
||||||
|
/** Bind the UserService, run one command, and return combined output (or an error string). */
|
||||||
|
suspend fun exec(command: String, timeoutMs: Int = 8000): String {
|
||||||
|
val bound = CompletableDeferred<IUserService?>()
|
||||||
|
val conn = object : ServiceConnection {
|
||||||
|
override fun onServiceConnected(name: ComponentName?, binder: IBinder?) {
|
||||||
|
bound.complete(
|
||||||
|
if (binder != null && binder.pingBinder()) IUserService.Stub.asInterface(binder) else null,
|
||||||
|
)
|
||||||
|
}
|
||||||
|
override fun onServiceDisconnected(name: ComponentName?) {}
|
||||||
|
}
|
||||||
|
return try {
|
||||||
|
Shizuku.bindUserService(serviceArgs, conn)
|
||||||
|
val svc = withTimeoutOrNull(10000) { bound.await() }
|
||||||
|
?: return "SHIZUKU_BIND_TIMEOUT"
|
||||||
|
withTimeoutOrNull(timeoutMs.toLong() + 4000) { svc.exec(command, timeoutMs) }
|
||||||
|
?: "EXEC_TIMEOUT"
|
||||||
|
} catch (e: Throwable) {
|
||||||
|
"SHIZUKU_ERROR: ${e.message ?: e.javaClass.simpleName}"
|
||||||
|
} finally {
|
||||||
|
runCatching { Shizuku.unbindUserService(serviceArgs, conn, true) }
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
@@ -0,0 +1,47 @@
|
|||||||
|
package app.echo_lot.prober.shizuku
|
||||||
|
|
||||||
|
import kotlin.system.exitProcess
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Runs inside the Shizuku-spawned process (uid = shell, 2000, or root if Shizuku was started via
|
||||||
|
* root). Because this process has the shell SELinux domain, commands here can read `ip neigh`,
|
||||||
|
* `ip monitor`, `dumpsys network_stack`, etc. — things the app UID cannot.
|
||||||
|
*
|
||||||
|
* This is the canonical Shizuku UserService pattern: a plain class with a matching constructor,
|
||||||
|
* implementing the AIDL Stub.
|
||||||
|
*/
|
||||||
|
class UserService : IUserService.Stub() {
|
||||||
|
|
||||||
|
// Required no-arg constructor for Shizuku UserService.
|
||||||
|
constructor()
|
||||||
|
|
||||||
|
override fun destroy() {
|
||||||
|
exitProcess(0)
|
||||||
|
}
|
||||||
|
|
||||||
|
override fun exec(command: String, timeoutMs: Int): String {
|
||||||
|
return try {
|
||||||
|
val proc = ProcessBuilder("sh", "-c", command)
|
||||||
|
.redirectErrorStream(true)
|
||||||
|
.start()
|
||||||
|
val output = StringBuilder()
|
||||||
|
val reader = proc.inputStream.bufferedReader()
|
||||||
|
val deadline = System.currentTimeMillis() + timeoutMs.coerceIn(500, 30000)
|
||||||
|
val readerThread = Thread {
|
||||||
|
runCatching {
|
||||||
|
reader.forEachLine { line ->
|
||||||
|
if (output.length < 64 * 1024) output.append(line).append('\n')
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
readerThread.start()
|
||||||
|
while (readerThread.isAlive && System.currentTimeMillis() < deadline) {
|
||||||
|
Thread.sleep(20)
|
||||||
|
}
|
||||||
|
if (proc.isAlive) proc.destroy()
|
||||||
|
"uid=" + android.os.Process.myUid() + "\n" + output.toString()
|
||||||
|
} catch (e: Throwable) {
|
||||||
|
"EXEC_ERROR: ${e.message ?: e.javaClass.simpleName}"
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
@@ -0,0 +1,118 @@
|
|||||||
|
package app.echo_lot.prober.ui
|
||||||
|
|
||||||
|
import androidx.compose.foundation.layout.Arrangement
|
||||||
|
import androidx.compose.foundation.layout.Column
|
||||||
|
import androidx.compose.foundation.layout.Row
|
||||||
|
import androidx.compose.foundation.layout.fillMaxSize
|
||||||
|
import androidx.compose.foundation.layout.fillMaxWidth
|
||||||
|
import androidx.compose.foundation.layout.padding
|
||||||
|
import androidx.compose.foundation.lazy.LazyColumn
|
||||||
|
import androidx.compose.foundation.lazy.items
|
||||||
|
import androidx.compose.material3.Button
|
||||||
|
import androidx.compose.material3.Card
|
||||||
|
import androidx.compose.material3.CardDefaults
|
||||||
|
import androidx.compose.material3.CircularProgressIndicator
|
||||||
|
import androidx.compose.material3.MaterialTheme
|
||||||
|
import androidx.compose.material3.OutlinedButton
|
||||||
|
import androidx.compose.material3.Text
|
||||||
|
import androidx.compose.runtime.Composable
|
||||||
|
import androidx.compose.ui.Alignment
|
||||||
|
import androidx.compose.ui.Modifier
|
||||||
|
import androidx.compose.ui.graphics.Color
|
||||||
|
import androidx.compose.ui.text.font.FontFamily
|
||||||
|
import androidx.compose.ui.text.font.FontWeight
|
||||||
|
import androidx.compose.ui.unit.dp
|
||||||
|
import androidx.compose.ui.unit.sp
|
||||||
|
import app.echo_lot.prober.probe.ProbeResult
|
||||||
|
|
||||||
|
data class UiState(
|
||||||
|
val running: Boolean = false,
|
||||||
|
val currentTitle: String? = null,
|
||||||
|
val results: List<ProbeResult> = emptyList(),
|
||||||
|
)
|
||||||
|
|
||||||
|
@Composable
|
||||||
|
fun ProberScreen(
|
||||||
|
state: UiState,
|
||||||
|
onRun: () -> Unit,
|
||||||
|
onShare: () -> Unit,
|
||||||
|
) {
|
||||||
|
Column(Modifier.fillMaxSize().padding(16.dp)) {
|
||||||
|
Text("Echolot Capability Prober", style = MaterialTheme.typography.headlineSmall)
|
||||||
|
Text(
|
||||||
|
"Runs the borderline no-root probes from the feasibility matrix on THIS device and reports what actually works.",
|
||||||
|
style = MaterialTheme.typography.bodySmall,
|
||||||
|
modifier = Modifier.padding(top = 4.dp, bottom = 12.dp),
|
||||||
|
)
|
||||||
|
Row(horizontalArrangement = Arrangement.spacedBy(8.dp)) {
|
||||||
|
Button(onClick = onRun, enabled = !state.running) {
|
||||||
|
Text(if (state.running) "Running…" else "Run all probes")
|
||||||
|
}
|
||||||
|
OutlinedButton(onClick = onShare, enabled = state.results.isNotEmpty() && !state.running) {
|
||||||
|
Text("Export JSON")
|
||||||
|
}
|
||||||
|
}
|
||||||
|
if (state.running) {
|
||||||
|
Row(
|
||||||
|
Modifier.fillMaxWidth().padding(vertical = 12.dp),
|
||||||
|
verticalAlignment = Alignment.CenterVertically,
|
||||||
|
horizontalArrangement = Arrangement.spacedBy(8.dp),
|
||||||
|
) {
|
||||||
|
CircularProgressIndicator(Modifier.padding(2.dp))
|
||||||
|
Text(state.currentTitle ?: "Starting…", style = MaterialTheme.typography.bodyMedium)
|
||||||
|
}
|
||||||
|
}
|
||||||
|
LazyColumn(
|
||||||
|
Modifier.fillMaxWidth().padding(top = 12.dp),
|
||||||
|
verticalArrangement = Arrangement.spacedBy(8.dp),
|
||||||
|
) {
|
||||||
|
items(state.results) { r -> ResultCard(r) }
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
@Composable
|
||||||
|
private fun ResultCard(r: ProbeResult) {
|
||||||
|
Card(
|
||||||
|
Modifier.fillMaxWidth(),
|
||||||
|
colors = CardDefaults.cardColors(containerColor = verdictColor(r.verdict).copy(alpha = 0.10f)),
|
||||||
|
) {
|
||||||
|
Column(Modifier.padding(12.dp)) {
|
||||||
|
Row(
|
||||||
|
Modifier.fillMaxWidth(),
|
||||||
|
horizontalArrangement = Arrangement.SpaceBetween,
|
||||||
|
verticalAlignment = Alignment.CenterVertically,
|
||||||
|
) {
|
||||||
|
Text(r.title, fontWeight = FontWeight.SemiBold, modifier = Modifier.weight(1f))
|
||||||
|
Text(
|
||||||
|
r.verdict,
|
||||||
|
color = verdictColor(r.verdict),
|
||||||
|
fontWeight = FontWeight.Bold,
|
||||||
|
fontSize = 12.sp,
|
||||||
|
)
|
||||||
|
}
|
||||||
|
Text("${r.id} · ${r.tier} · ${r.durationMs} ms", fontSize = 11.sp, color = Color.Gray)
|
||||||
|
Text(r.summary, style = MaterialTheme.typography.bodyMedium, modifier = Modifier.padding(top = 4.dp))
|
||||||
|
if (r.evidence.isNotEmpty()) {
|
||||||
|
Column(Modifier.padding(top = 6.dp)) {
|
||||||
|
r.evidence.forEach { (k, v) ->
|
||||||
|
Text(
|
||||||
|
"$k = $v",
|
||||||
|
fontFamily = FontFamily.Monospace,
|
||||||
|
fontSize = 10.sp,
|
||||||
|
color = Color.DarkGray,
|
||||||
|
)
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
private fun verdictColor(v: String): Color = when (v) {
|
||||||
|
"SUPPORTED" -> Color(0xFF2E7D32)
|
||||||
|
"PARTIAL" -> Color(0xFFF9A825)
|
||||||
|
"UNSUPPORTED" -> Color(0xFFC62828)
|
||||||
|
"INCONCLUSIVE" -> Color(0xFF1565C0)
|
||||||
|
else -> Color(0xFF6A1B9A)
|
||||||
|
}
|
||||||
@@ -0,0 +1,3 @@
|
|||||||
|
<resources>
|
||||||
|
<string name="app_name">Echolot Prober</string>
|
||||||
|
</resources>
|
||||||
@@ -0,0 +1,3 @@
|
|||||||
|
<resources>
|
||||||
|
<style name="Theme.EcholotProber" parent="android:Theme.Material.Light.NoActionBar" />
|
||||||
|
</resources>
|
||||||
@@ -0,0 +1,4 @@
|
|||||||
|
<?xml version="1.0" encoding="utf-8"?>
|
||||||
|
<paths>
|
||||||
|
<cache-path name="reports" path="reports/" />
|
||||||
|
</paths>
|
||||||
@@ -0,0 +1,6 @@
|
|||||||
|
plugins {
|
||||||
|
alias(libs.plugins.android.application) apply false
|
||||||
|
alias(libs.plugins.kotlin.android) apply false
|
||||||
|
alias(libs.plugins.kotlin.compose) apply false
|
||||||
|
alias(libs.plugins.kotlin.serialization) apply false
|
||||||
|
}
|
||||||
@@ -0,0 +1,5 @@
|
|||||||
|
org.gradle.jvmargs=-Xmx2048m -Dfile.encoding=UTF-8
|
||||||
|
org.gradle.caching=true
|
||||||
|
android.useAndroidX=true
|
||||||
|
android.nonTransitiveRClass=true
|
||||||
|
kotlin.code.style=official
|
||||||
@@ -0,0 +1,31 @@
|
|||||||
|
[versions]
|
||||||
|
agp = "8.7.3"
|
||||||
|
kotlin = "2.0.21"
|
||||||
|
coreKtx = "1.13.1"
|
||||||
|
lifecycle = "2.8.7"
|
||||||
|
activityCompose = "1.9.3"
|
||||||
|
composeBom = "2024.10.01"
|
||||||
|
shizuku = "13.1.5"
|
||||||
|
kotlinxSerialization = "1.7.3"
|
||||||
|
kotlinxCoroutines = "1.9.0"
|
||||||
|
|
||||||
|
[libraries]
|
||||||
|
androidx-core-ktx = { group = "androidx.core", name = "core-ktx", version.ref = "coreKtx" }
|
||||||
|
androidx-lifecycle-runtime-ktx = { group = "androidx.lifecycle", name = "lifecycle-runtime-ktx", version.ref = "lifecycle" }
|
||||||
|
androidx-activity-compose = { group = "androidx.activity", name = "activity-compose", version.ref = "activityCompose" }
|
||||||
|
androidx-compose-bom = { group = "androidx.compose", name = "compose-bom", version.ref = "composeBom" }
|
||||||
|
androidx-ui = { group = "androidx.compose.ui", name = "ui" }
|
||||||
|
androidx-ui-graphics = { group = "androidx.compose.ui", name = "ui-graphics" }
|
||||||
|
androidx-ui-tooling = { group = "androidx.compose.ui", name = "ui-tooling" }
|
||||||
|
androidx-ui-tooling-preview = { group = "androidx.compose.ui", name = "ui-tooling-preview" }
|
||||||
|
androidx-material3 = { group = "androidx.compose.material3", name = "material3" }
|
||||||
|
shizuku-api = { group = "dev.rikka.shizuku", name = "api", version.ref = "shizuku" }
|
||||||
|
shizuku-provider = { group = "dev.rikka.shizuku", name = "provider", version.ref = "shizuku" }
|
||||||
|
kotlinx-serialization-json = { group = "org.jetbrains.kotlinx", name = "kotlinx-serialization-json", version.ref = "kotlinxSerialization" }
|
||||||
|
kotlinx-coroutines-android = { group = "org.jetbrains.kotlinx", name = "kotlinx-coroutines-android", version.ref = "kotlinxCoroutines" }
|
||||||
|
|
||||||
|
[plugins]
|
||||||
|
android-application = { id = "com.android.application", version.ref = "agp" }
|
||||||
|
kotlin-android = { id = "org.jetbrains.kotlin.android", version.ref = "kotlin" }
|
||||||
|
kotlin-compose = { id = "org.jetbrains.kotlin.plugin.compose", version.ref = "kotlin" }
|
||||||
|
kotlin-serialization = { id = "org.jetbrains.kotlin.plugin.serialization", version.ref = "kotlin" }
|
||||||
Binary file not shown.
@@ -0,0 +1,7 @@
|
|||||||
|
distributionBase=GRADLE_USER_HOME
|
||||||
|
distributionPath=wrapper/dists
|
||||||
|
distributionUrl=https\://services.gradle.org/distributions/gradle-8.14.3-bin.zip
|
||||||
|
networkTimeout=10000
|
||||||
|
validateDistributionUrl=true
|
||||||
|
zipStoreBase=GRADLE_USER_HOME
|
||||||
|
zipStorePath=wrapper/dists
|
||||||
Vendored
+251
@@ -0,0 +1,251 @@
|
|||||||
|
#!/bin/sh
|
||||||
|
|
||||||
|
#
|
||||||
|
# Copyright © 2015-2021 the original authors.
|
||||||
|
#
|
||||||
|
# Licensed under the Apache License, Version 2.0 (the "License");
|
||||||
|
# you may not use this file except in compliance with the License.
|
||||||
|
# You may obtain a copy of the License at
|
||||||
|
#
|
||||||
|
# https://www.apache.org/licenses/LICENSE-2.0
|
||||||
|
#
|
||||||
|
# Unless required by applicable law or agreed to in writing, software
|
||||||
|
# distributed under the License is distributed on an "AS IS" BASIS,
|
||||||
|
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||||
|
# See the License for the specific language governing permissions and
|
||||||
|
# limitations under the License.
|
||||||
|
#
|
||||||
|
# SPDX-License-Identifier: Apache-2.0
|
||||||
|
#
|
||||||
|
|
||||||
|
##############################################################################
|
||||||
|
#
|
||||||
|
# Gradle start up script for POSIX generated by Gradle.
|
||||||
|
#
|
||||||
|
# Important for running:
|
||||||
|
#
|
||||||
|
# (1) You need a POSIX-compliant shell to run this script. If your /bin/sh is
|
||||||
|
# noncompliant, but you have some other compliant shell such as ksh or
|
||||||
|
# bash, then to run this script, type that shell name before the whole
|
||||||
|
# command line, like:
|
||||||
|
#
|
||||||
|
# ksh Gradle
|
||||||
|
#
|
||||||
|
# Busybox and similar reduced shells will NOT work, because this script
|
||||||
|
# requires all of these POSIX shell features:
|
||||||
|
# * functions;
|
||||||
|
# * expansions «$var», «${var}», «${var:-default}», «${var+SET}»,
|
||||||
|
# «${var#prefix}», «${var%suffix}», and «$( cmd )»;
|
||||||
|
# * compound commands having a testable exit status, especially «case»;
|
||||||
|
# * various built-in commands including «command», «set», and «ulimit».
|
||||||
|
#
|
||||||
|
# Important for patching:
|
||||||
|
#
|
||||||
|
# (2) This script targets any POSIX shell, so it avoids extensions provided
|
||||||
|
# by Bash, Ksh, etc; in particular arrays are avoided.
|
||||||
|
#
|
||||||
|
# The "traditional" practice of packing multiple parameters into a
|
||||||
|
# space-separated string is a well documented source of bugs and security
|
||||||
|
# problems, so this is (mostly) avoided, by progressively accumulating
|
||||||
|
# options in "$@", and eventually passing that to Java.
|
||||||
|
#
|
||||||
|
# Where the inherited environment variables (DEFAULT_JVM_OPTS, JAVA_OPTS,
|
||||||
|
# and GRADLE_OPTS) rely on word-splitting, this is performed explicitly;
|
||||||
|
# see the in-line comments for details.
|
||||||
|
#
|
||||||
|
# There are tweaks for specific operating systems such as AIX, CygWin,
|
||||||
|
# Darwin, MinGW, and NonStop.
|
||||||
|
#
|
||||||
|
# (3) This script is generated from the Groovy template
|
||||||
|
# https://github.com/gradle/gradle/blob/HEAD/platforms/jvm/plugins-application/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
|
||||||
|
# within the Gradle project.
|
||||||
|
#
|
||||||
|
# You can find Gradle at https://github.com/gradle/gradle/.
|
||||||
|
#
|
||||||
|
##############################################################################
|
||||||
|
|
||||||
|
# Attempt to set APP_HOME
|
||||||
|
|
||||||
|
# Resolve links: $0 may be a link
|
||||||
|
app_path=$0
|
||||||
|
|
||||||
|
# Need this for daisy-chained symlinks.
|
||||||
|
while
|
||||||
|
APP_HOME=${app_path%"${app_path##*/}"} # leaves a trailing /; empty if no leading path
|
||||||
|
[ -h "$app_path" ]
|
||||||
|
do
|
||||||
|
ls=$( ls -ld "$app_path" )
|
||||||
|
link=${ls#*' -> '}
|
||||||
|
case $link in #(
|
||||||
|
/*) app_path=$link ;; #(
|
||||||
|
*) app_path=$APP_HOME$link ;;
|
||||||
|
esac
|
||||||
|
done
|
||||||
|
|
||||||
|
# This is normally unused
|
||||||
|
# shellcheck disable=SC2034
|
||||||
|
APP_BASE_NAME=${0##*/}
|
||||||
|
# Discard cd standard output in case $CDPATH is set (https://github.com/gradle/gradle/issues/25036)
|
||||||
|
APP_HOME=$( cd -P "${APP_HOME:-./}" > /dev/null && printf '%s\n' "$PWD" ) || exit
|
||||||
|
|
||||||
|
# Use the maximum available, or set MAX_FD != -1 to use that value.
|
||||||
|
MAX_FD=maximum
|
||||||
|
|
||||||
|
warn () {
|
||||||
|
echo "$*"
|
||||||
|
} >&2
|
||||||
|
|
||||||
|
die () {
|
||||||
|
echo
|
||||||
|
echo "$*"
|
||||||
|
echo
|
||||||
|
exit 1
|
||||||
|
} >&2
|
||||||
|
|
||||||
|
# OS specific support (must be 'true' or 'false').
|
||||||
|
cygwin=false
|
||||||
|
msys=false
|
||||||
|
darwin=false
|
||||||
|
nonstop=false
|
||||||
|
case "$( uname )" in #(
|
||||||
|
CYGWIN* ) cygwin=true ;; #(
|
||||||
|
Darwin* ) darwin=true ;; #(
|
||||||
|
MSYS* | MINGW* ) msys=true ;; #(
|
||||||
|
NONSTOP* ) nonstop=true ;;
|
||||||
|
esac
|
||||||
|
|
||||||
|
CLASSPATH="\\\"\\\""
|
||||||
|
|
||||||
|
|
||||||
|
# Determine the Java command to use to start the JVM.
|
||||||
|
if [ -n "$JAVA_HOME" ] ; then
|
||||||
|
if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
|
||||||
|
# IBM's JDK on AIX uses strange locations for the executables
|
||||||
|
JAVACMD=$JAVA_HOME/jre/sh/java
|
||||||
|
else
|
||||||
|
JAVACMD=$JAVA_HOME/bin/java
|
||||||
|
fi
|
||||||
|
if [ ! -x "$JAVACMD" ] ; then
|
||||||
|
die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
|
||||||
|
|
||||||
|
Please set the JAVA_HOME variable in your environment to match the
|
||||||
|
location of your Java installation."
|
||||||
|
fi
|
||||||
|
else
|
||||||
|
JAVACMD=java
|
||||||
|
if ! command -v java >/dev/null 2>&1
|
||||||
|
then
|
||||||
|
die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
|
||||||
|
|
||||||
|
Please set the JAVA_HOME variable in your environment to match the
|
||||||
|
location of your Java installation."
|
||||||
|
fi
|
||||||
|
fi
|
||||||
|
|
||||||
|
# Increase the maximum file descriptors if we can.
|
||||||
|
if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then
|
||||||
|
case $MAX_FD in #(
|
||||||
|
max*)
|
||||||
|
# In POSIX sh, ulimit -H is undefined. That's why the result is checked to see if it worked.
|
||||||
|
# shellcheck disable=SC2039,SC3045
|
||||||
|
MAX_FD=$( ulimit -H -n ) ||
|
||||||
|
warn "Could not query maximum file descriptor limit"
|
||||||
|
esac
|
||||||
|
case $MAX_FD in #(
|
||||||
|
'' | soft) :;; #(
|
||||||
|
*)
|
||||||
|
# In POSIX sh, ulimit -n is undefined. That's why the result is checked to see if it worked.
|
||||||
|
# shellcheck disable=SC2039,SC3045
|
||||||
|
ulimit -n "$MAX_FD" ||
|
||||||
|
warn "Could not set maximum file descriptor limit to $MAX_FD"
|
||||||
|
esac
|
||||||
|
fi
|
||||||
|
|
||||||
|
# Collect all arguments for the java command, stacking in reverse order:
|
||||||
|
# * args from the command line
|
||||||
|
# * the main class name
|
||||||
|
# * -classpath
|
||||||
|
# * -D...appname settings
|
||||||
|
# * --module-path (only if needed)
|
||||||
|
# * DEFAULT_JVM_OPTS, JAVA_OPTS, and GRADLE_OPTS environment variables.
|
||||||
|
|
||||||
|
# For Cygwin or MSYS, switch paths to Windows format before running java
|
||||||
|
if "$cygwin" || "$msys" ; then
|
||||||
|
APP_HOME=$( cygpath --path --mixed "$APP_HOME" )
|
||||||
|
CLASSPATH=$( cygpath --path --mixed "$CLASSPATH" )
|
||||||
|
|
||||||
|
JAVACMD=$( cygpath --unix "$JAVACMD" )
|
||||||
|
|
||||||
|
# Now convert the arguments - kludge to limit ourselves to /bin/sh
|
||||||
|
for arg do
|
||||||
|
if
|
||||||
|
case $arg in #(
|
||||||
|
-*) false ;; # don't mess with options #(
|
||||||
|
/?*) t=${arg#/} t=/${t%%/*} # looks like a POSIX filepath
|
||||||
|
[ -e "$t" ] ;; #(
|
||||||
|
*) false ;;
|
||||||
|
esac
|
||||||
|
then
|
||||||
|
arg=$( cygpath --path --ignore --mixed "$arg" )
|
||||||
|
fi
|
||||||
|
# Roll the args list around exactly as many times as the number of
|
||||||
|
# args, so each arg winds up back in the position where it started, but
|
||||||
|
# possibly modified.
|
||||||
|
#
|
||||||
|
# NB: a `for` loop captures its iteration list before it begins, so
|
||||||
|
# changing the positional parameters here affects neither the number of
|
||||||
|
# iterations, nor the values presented in `arg`.
|
||||||
|
shift # remove old arg
|
||||||
|
set -- "$@" "$arg" # push replacement arg
|
||||||
|
done
|
||||||
|
fi
|
||||||
|
|
||||||
|
|
||||||
|
# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
|
||||||
|
DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
|
||||||
|
|
||||||
|
# Collect all arguments for the java command:
|
||||||
|
# * DEFAULT_JVM_OPTS, JAVA_OPTS, and optsEnvironmentVar are not allowed to contain shell fragments,
|
||||||
|
# and any embedded shellness will be escaped.
|
||||||
|
# * For example: A user cannot expect ${Hostname} to be expanded, as it is an environment variable and will be
|
||||||
|
# treated as '${Hostname}' itself on the command line.
|
||||||
|
|
||||||
|
set -- \
|
||||||
|
"-Dorg.gradle.appname=$APP_BASE_NAME" \
|
||||||
|
-classpath "$CLASSPATH" \
|
||||||
|
-jar "$APP_HOME/gradle/wrapper/gradle-wrapper.jar" \
|
||||||
|
"$@"
|
||||||
|
|
||||||
|
# Stop when "xargs" is not available.
|
||||||
|
if ! command -v xargs >/dev/null 2>&1
|
||||||
|
then
|
||||||
|
die "xargs is not available"
|
||||||
|
fi
|
||||||
|
|
||||||
|
# Use "xargs" to parse quoted args.
|
||||||
|
#
|
||||||
|
# With -n1 it outputs one arg per line, with the quotes and backslashes removed.
|
||||||
|
#
|
||||||
|
# In Bash we could simply go:
|
||||||
|
#
|
||||||
|
# readarray ARGS < <( xargs -n1 <<<"$var" ) &&
|
||||||
|
# set -- "${ARGS[@]}" "$@"
|
||||||
|
#
|
||||||
|
# but POSIX shell has neither arrays nor command substitution, so instead we
|
||||||
|
# post-process each arg (as a line of input to sed) to backslash-escape any
|
||||||
|
# character that might be a shell metacharacter, then use eval to reverse
|
||||||
|
# that process (while maintaining the separation between arguments), and wrap
|
||||||
|
# the whole thing up as a single "set" statement.
|
||||||
|
#
|
||||||
|
# This will of course break if any of these variables contains a newline or
|
||||||
|
# an unmatched quote.
|
||||||
|
#
|
||||||
|
|
||||||
|
eval "set -- $(
|
||||||
|
printf '%s\n' "$DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS" |
|
||||||
|
xargs -n1 |
|
||||||
|
sed ' s~[^-[:alnum:]+,./:=@_]~\\&~g; ' |
|
||||||
|
tr '\n' ' '
|
||||||
|
)" '"$@"'
|
||||||
|
|
||||||
|
exec "$JAVACMD" "$@"
|
||||||
Vendored
+94
@@ -0,0 +1,94 @@
|
|||||||
|
@rem
|
||||||
|
@rem Copyright 2015 the original author or authors.
|
||||||
|
@rem
|
||||||
|
@rem Licensed under the Apache License, Version 2.0 (the "License");
|
||||||
|
@rem you may not use this file except in compliance with the License.
|
||||||
|
@rem You may obtain a copy of the License at
|
||||||
|
@rem
|
||||||
|
@rem https://www.apache.org/licenses/LICENSE-2.0
|
||||||
|
@rem
|
||||||
|
@rem Unless required by applicable law or agreed to in writing, software
|
||||||
|
@rem distributed under the License is distributed on an "AS IS" BASIS,
|
||||||
|
@rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||||
|
@rem See the License for the specific language governing permissions and
|
||||||
|
@rem limitations under the License.
|
||||||
|
@rem
|
||||||
|
@rem SPDX-License-Identifier: Apache-2.0
|
||||||
|
@rem
|
||||||
|
|
||||||
|
@if "%DEBUG%"=="" @echo off
|
||||||
|
@rem ##########################################################################
|
||||||
|
@rem
|
||||||
|
@rem Gradle startup script for Windows
|
||||||
|
@rem
|
||||||
|
@rem ##########################################################################
|
||||||
|
|
||||||
|
@rem Set local scope for the variables with windows NT shell
|
||||||
|
if "%OS%"=="Windows_NT" setlocal
|
||||||
|
|
||||||
|
set DIRNAME=%~dp0
|
||||||
|
if "%DIRNAME%"=="" set DIRNAME=.
|
||||||
|
@rem This is normally unused
|
||||||
|
set APP_BASE_NAME=%~n0
|
||||||
|
set APP_HOME=%DIRNAME%
|
||||||
|
|
||||||
|
@rem Resolve any "." and ".." in APP_HOME to make it shorter.
|
||||||
|
for %%i in ("%APP_HOME%") do set APP_HOME=%%~fi
|
||||||
|
|
||||||
|
@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
|
||||||
|
set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m"
|
||||||
|
|
||||||
|
@rem Find java.exe
|
||||||
|
if defined JAVA_HOME goto findJavaFromJavaHome
|
||||||
|
|
||||||
|
set JAVA_EXE=java.exe
|
||||||
|
%JAVA_EXE% -version >NUL 2>&1
|
||||||
|
if %ERRORLEVEL% equ 0 goto execute
|
||||||
|
|
||||||
|
echo. 1>&2
|
||||||
|
echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. 1>&2
|
||||||
|
echo. 1>&2
|
||||||
|
echo Please set the JAVA_HOME variable in your environment to match the 1>&2
|
||||||
|
echo location of your Java installation. 1>&2
|
||||||
|
|
||||||
|
goto fail
|
||||||
|
|
||||||
|
:findJavaFromJavaHome
|
||||||
|
set JAVA_HOME=%JAVA_HOME:"=%
|
||||||
|
set JAVA_EXE=%JAVA_HOME%/bin/java.exe
|
||||||
|
|
||||||
|
if exist "%JAVA_EXE%" goto execute
|
||||||
|
|
||||||
|
echo. 1>&2
|
||||||
|
echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME% 1>&2
|
||||||
|
echo. 1>&2
|
||||||
|
echo Please set the JAVA_HOME variable in your environment to match the 1>&2
|
||||||
|
echo location of your Java installation. 1>&2
|
||||||
|
|
||||||
|
goto fail
|
||||||
|
|
||||||
|
:execute
|
||||||
|
@rem Setup the command line
|
||||||
|
|
||||||
|
set CLASSPATH=
|
||||||
|
|
||||||
|
|
||||||
|
@rem Execute Gradle
|
||||||
|
"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" -jar "%APP_HOME%\gradle\wrapper\gradle-wrapper.jar" %*
|
||||||
|
|
||||||
|
:end
|
||||||
|
@rem End local scope for the variables with windows NT shell
|
||||||
|
if %ERRORLEVEL% equ 0 goto mainEnd
|
||||||
|
|
||||||
|
:fail
|
||||||
|
rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
|
||||||
|
rem the _cmd.exe /c_ return code!
|
||||||
|
set EXIT_CODE=%ERRORLEVEL%
|
||||||
|
if %EXIT_CODE% equ 0 set EXIT_CODE=1
|
||||||
|
if not ""=="%GRADLE_EXIT_CONSOLE%" exit %EXIT_CODE%
|
||||||
|
exit /b %EXIT_CODE%
|
||||||
|
|
||||||
|
:mainEnd
|
||||||
|
if "%OS%"=="Windows_NT" endlocal
|
||||||
|
|
||||||
|
:omega
|
||||||
@@ -0,0 +1,23 @@
|
|||||||
|
pluginManagement {
|
||||||
|
repositories {
|
||||||
|
google {
|
||||||
|
content {
|
||||||
|
includeGroupByRegex("com\\.android.*")
|
||||||
|
includeGroupByRegex("com\\.google.*")
|
||||||
|
includeGroupByRegex("androidx.*")
|
||||||
|
}
|
||||||
|
}
|
||||||
|
mavenCentral()
|
||||||
|
gradlePluginPortal()
|
||||||
|
}
|
||||||
|
}
|
||||||
|
dependencyResolutionManagement {
|
||||||
|
repositoriesMode.set(RepositoriesMode.FAIL_ON_PROJECT_REPOS)
|
||||||
|
repositories {
|
||||||
|
google()
|
||||||
|
mavenCentral()
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
rootProject.name = "EcholotProber"
|
||||||
|
include(":app")
|
||||||
Reference in New Issue
Block a user