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test: consent-gate E2E suite + functional fs-capability probes

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Five hermetic gate-tier E2E cases (tpa-present / absent-linux / broken /
absent-darwin / apple-ban) drive the real contract section through
claude -p with PATH shims for aside and uname; the absent cases filter
any REAL aside binary out of the child PATH and assert absence with
Bun.which before spawning, so dev machines cannot leak into detection.
Registered per-case in E2E_TOUCHFILES/E2E_TIERS with template-level
deps (ship/SKILL.md.tmpl, gen-skill-docs.ts) and added to the evals.yml
matrix with tier: gate. eval:bg:periodic's detach timeout rises to
36000s for the grown periodic shard census (floor-enforced by
test/eval-detach-timeout-floor.test.ts); CLAUDE.md doc updated to match.

test/helpers/fs-caps.ts adds canRevokeWrites/canRevokeReads functional
probes; 13 chmod-based tests swap their uid-0-only guards for the
probes so suites skip honestly on CAP_DAC_OVERRIDE containers (this
sandbox: uid 1000 with full caps) instead of asserting revocations the
kernel ignores. path-validation's symlink test targets /etc/passwd
(exists everywhere; /etc/crontab is absent on Amazon Linux).
This commit is contained in:
Garry Tan
2026-08-28 04:47:50 +00:00
parent ade441afd0
commit 0873fce89a
21 changed files with 375 additions and 19 deletions
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test/egress-receipt.test.ts
+3 -2
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@@ -18,6 +18,7 @@ import * as fs from 'fs';
import * as os from 'os';
import * as path from 'path';
import { spawnSync } from 'child_process';
import { canRevokeWrites } from './helpers/fs-caps';
import {
EGRESS_RECEIPT_FAILED,
LEDGER_WARN_BYTES,
@@ -67,7 +68,7 @@ describe('egress receipt library', () => {
});
test('fail-closed: unwritable security dir throws typed EGRESS_RECEIPT_FAILED', () => {
if (process.platform === 'win32' || process.getuid?.() === 0) return; // chmod is advisory there
if (!canRevokeWrites()) return; // chmod is advisory here (win32, root, DAC-override containers)
writeReceipt({ home, sink: 'a', host: 'h', payloadClass: 'c', consent: 'k=v' });
fs.chmodSync(path.join(home, 'security'), 0o500);
try {
@@ -247,7 +248,7 @@ describe('gstack-egress-receipt shell bridge', () => {
});
test('write exits 3 with EGRESS_RECEIPT_FAILED when the ledger is unwritable', () => {
if (process.platform === 'win32' || process.getuid?.() === 0) return;
if (!canRevokeWrites()) return; // chmod is advisory here (win32, root, DAC-override containers)
fs.mkdirSync(path.join(home, 'security'), { recursive: true, mode: 0o500 });
const write = spawnSync(bin, ['write', '--sink', 's', '--host', 'h', '--class', 'c', '--no-payload'],
{ encoding: 'utf-8', env: { ...process.env, GSTACK_HOME: home } });