mirror of
https://github.com/garrytan/gstack.git
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garrytan
d93d61f7ba
Mechanical reformat only. Minified transpile output is byte-identical for 21 of 22 files; witness.ts differs only in three regex flag orders (/mi -> /im), which JavaScript canonicalizes. Source-text assertions over lib/cso now compare whitespace-insensitively with the same tokens.
1683 lines
64 KiB
TypeScript
1683 lines
64 KiB
TypeScript
/** Concrete constrained-Docker adapter for PreparationExecutor. */
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import * as fs from 'node:fs';
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import * as net from 'node:net';
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import { promises as dns } from 'node:dns';
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import { createHash, randomBytes } from 'node:crypto';
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import { spawn } from 'node:child_process';
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import { dirname, isAbsolute, join, resolve, sep } from 'node:path';
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import { atomicWriteSync } from '../fs-atomic';
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import { canonical, CsoError, sha256 } from './contracts';
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import { DockerGroup, type DockerEndpoint } from './docker';
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import { secureDirectory } from './state';
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import {
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admittedPreparationRuntime,
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type AcquisitionArtifactReceipt,
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type AcquisitionReceipt,
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type OfflinePreparationReceipt,
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type OfflinePreparationRequest,
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type OfflinePreparationResult,
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type PreparationAcquireRequest,
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type PreparationCommandReceipt,
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type PreparationRuntimeAdmission,
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type PreparationSandboxRunner,
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} from './preparation-executor';
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import type { CsoStack, PreparationCommand } from './preparation';
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import { CSO_HELPER_ABI } from './runtime-catalog';
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import type { PreparedExportEntry, PreparedExportManifest } from './preparation-container';
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const RELATIVE = /^(?!\/)(?!.*(?:^|\/)\.\.?(?:\/|$))(?!.*\\)[A-Za-z0-9@._+\/-]{1,1024}$/;
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const MAX_MANIFEST = 32 * 1024 * 1024;
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const MAX_PREPARED_EXPORT_ENTRIES = 200_000;
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function fail(code: ConstructorParameters<typeof CsoError>[0], message: string): never {
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throw new CsoError(code, message);
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}
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function contained(root: string, path: string): string {
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if (!RELATIVE.test(path) || path.split('/').some((part) => !part || part === '.' || part === '..'))
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fail('UNSAFE_PATH', 'Preparation path escaped its private root');
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const target = resolve(root, ...path.split('/'));
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if (!target.startsWith(`${root}${sep}`)) fail('UNSAFE_PATH', 'Preparation path escaped its private root');
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return target;
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}
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function commandReceipt(
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command: PreparationCommand,
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index: number,
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exitCode: number,
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): PreparationCommandReceipt {
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return {
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index,
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commandHash: sha256(canonical(command)),
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exitCode,
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timedOut: false,
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outputTruncated: false,
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};
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}
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function writePolicy(path: string, value: unknown): void {
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try {
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atomicWriteSync(path, `${JSON.stringify(value)}\n`, { mode: 0o600, noReplace: true });
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} catch {
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fail('PERSISTENCE_FAILED', 'Preparation policy could not be written atomically');
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}
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}
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function readManifest(path: string): { artifacts: AcquisitionArtifactReceipt[] } {
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let stat: fs.Stats;
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try {
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stat = fs.lstatSync(path);
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} catch {
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fail('TOOL_FAILED', 'Qualified acquisition helper did not produce an archive manifest');
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}
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if (
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!stat!.isFile() ||
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stat!.isSymbolicLink() ||
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stat!.nlink !== 1 ||
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stat!.size > MAX_MANIFEST ||
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(process.getuid && stat!.uid !== process.getuid()) ||
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(stat!.mode & 0o077) !== 0
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)
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fail('UNSAFE_PATH', 'Acquisition archive manifest is not one bounded private file');
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let parsed: unknown;
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try {
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parsed = JSON.parse(fs.readFileSync(path, 'utf8'));
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} catch {
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fail('TOOL_FAILED', 'Qualified acquisition helper returned invalid archive JSON');
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}
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const value = parsed as { artifacts?: unknown };
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if (!value || Object.keys(value).sort().join(',') !== 'artifacts' || !Array.isArray(value.artifacts))
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fail('TOOL_FAILED', 'Qualified acquisition helper returned an invalid archive manifest schema');
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return value as { artifacts: AcquisitionArtifactReceipt[] };
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}
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function fileSha256(path: string, maxBytes: number): string {
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const noFollow = (fs.constants as any).O_NOFOLLOW ?? 0;
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let fd: number;
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try {
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fd = fs.openSync(path, fs.constants.O_RDONLY | noFollow);
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} catch {
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fail('UNSAFE_PATH', 'Archive copy could not be opened without following links');
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}
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try {
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const before = fs.fstatSync(fd!),
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hash = createHash('sha256'),
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buffer = Buffer.allocUnsafe(64 * 1024);
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let bytes = 0;
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for (;;) {
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const count = fs.readSync(fd!, buffer, 0, buffer.length, null);
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if (!count) break;
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bytes += count;
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if (bytes > maxBytes) fail('INSUFFICIENT_CAPACITY', 'Archive copy exceeded its declared size');
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hash.update(buffer.subarray(0, count));
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}
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const after = fs.fstatSync(fd!);
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if (
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bytes !== before.size ||
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before.dev !== after.dev ||
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before.ino !== after.ino ||
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before.size !== after.size ||
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before.mtimeMs !== after.mtimeMs ||
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before.ctimeMs !== after.ctimeMs
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)
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fail('SNAPSHOT_RACE', 'Archive copy changed while it was hashed');
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return hash.digest('hex');
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} finally {
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fs.closeSync(fd!);
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}
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}
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function validateAcquisitionOutput(root: string, artifacts: AcquisitionArtifactReceipt[]): void {
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const top = fs.readdirSync(root).sort();
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if (canonical(top) !== canonical(['archives', 'artifacts.json']))
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fail('TOOL_FAILED', 'Acquisition output contains undeclared objects');
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const archiveRoot = join(root, 'archives'),
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stat = fs.lstatSync(archiveRoot);
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if (
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!stat.isDirectory() ||
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stat.isSymbolicLink() ||
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(process.getuid && stat.uid !== process.getuid()) ||
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(stat.mode & 0o022) !== 0
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)
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fail('UNSAFE_PATH', 'Acquisition archive output is not one private directory');
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for (const artifact of artifacts)
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if (
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typeof artifact?.stagingPath !== 'string' ||
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!/^cso-public\/[A-Za-z0-9._-]{1,255}$/.test(artifact.stagingPath)
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)
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fail('TOOL_FAILED', 'Acquisition manifest contains an unsafe staging path');
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const expected = artifacts.map((artifact) => artifact.stagingPath.slice('cso-public/'.length)).sort(),
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actual = fs.readdirSync(archiveRoot).sort();
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if (new Set(expected).size !== expected.length)
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fail('TOOL_FAILED', 'Acquisition manifest contains duplicate staging paths');
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if (canonical(actual) !== canonical(expected))
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fail('TOOL_FAILED', 'Acquisition output archive membership does not match its manifest');
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for (const name of actual) {
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if (!name || name.includes('/') || name === '.' || name === '..')
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fail('UNSAFE_PATH', 'Acquisition output archive name is unsafe');
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const file = fs.lstatSync(join(archiveRoot, name));
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if (
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!file.isFile() ||
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file.isSymbolicLink() ||
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file.nlink !== 1 ||
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(process.getuid && file.uid !== process.getuid()) ||
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(file.mode & 0o022) !== 0
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)
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fail('UNSAFE_PATH', 'Acquisition output contains a link or special file');
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}
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}
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function preparedRelative(path: unknown): path is string {
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return (
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typeof path === 'string' &&
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path.length > 0 &&
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!path.startsWith('/') &&
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!path.includes('\\') &&
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Buffer.byteLength(path) <= 4096 &&
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path
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.split('/')
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.every(
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(part) =>
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part &&
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part !== '.' &&
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part !== '..' &&
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Buffer.byteLength(part) <= 255 &&
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!/[\0-\x1f\x7f]/.test(part),
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)
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);
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}
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function preparedTarget(root: string, relativePath: string): string {
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if (!preparedRelative(relativePath)) fail('UNSAFE_PATH', 'Prepared export contains an unsafe path');
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const target = resolve(root, ...relativePath.split('/'));
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if (!target.startsWith(`${root}${sep}`))
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fail('UNSAFE_PATH', 'Prepared export path escaped its private root');
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return target;
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}
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function sameFileIdentity(left: fs.Stats, right: fs.Stats): boolean {
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return (
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left.dev === right.dev &&
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left.ino === right.ino &&
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left.mode === right.mode &&
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left.uid === right.uid &&
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left.gid === right.gid &&
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left.nlink === right.nlink &&
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left.size === right.size &&
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left.mtimeMs === right.mtimeMs &&
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left.ctimeMs === right.ctimeMs
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);
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}
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function copyPreparedBlob(
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source: string,
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destination: string,
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expected: Extract<PreparedExportEntry, { kind: 'file' }>,
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): void {
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const noFollow = (fs.constants as any).O_NOFOLLOW ?? 0;
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let sourceFd = -1,
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destinationFd = -1;
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try {
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sourceFd = fs.openSync(source, fs.constants.O_RDONLY | noFollow);
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const before = fs.fstatSync(sourceFd);
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if (
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!before.isFile() ||
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before.nlink !== 1 ||
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before.size !== expected.bytes ||
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(process.getuid && before.uid !== process.getuid())
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)
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fail('UNSAFE_PATH', 'Prepared export blob is not one owned regular file');
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destinationFd = fs.openSync(
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destination,
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fs.constants.O_WRONLY | fs.constants.O_CREAT | fs.constants.O_EXCL | noFollow,
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0o600,
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);
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const hash = createHash('sha256'),
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buffer = Buffer.allocUnsafe(64 * 1024);
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let bytes = 0;
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for (;;) {
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const count = fs.readSync(sourceFd, buffer, 0, buffer.length, null);
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if (!count) break;
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bytes += count;
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if (bytes > expected.bytes)
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fail('INSUFFICIENT_CAPACITY', 'Prepared export blob exceeded its declared size');
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hash.update(buffer.subarray(0, count));
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let offset = 0;
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while (offset < count) offset += fs.writeSync(destinationFd, buffer, offset, count - offset);
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}
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const after = fs.fstatSync(sourceFd);
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if (
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bytes !== expected.bytes ||
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hash.digest('hex') !== expected.sha256 ||
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!sameFileIdentity(before, after)
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)
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fail('SNAPSHOT_RACE', 'Prepared export blob changed during bounded import');
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fs.fchmodSync(destinationFd, expected.mode);
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fs.fsyncSync(destinationFd);
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const copied = fs.fstatSync(destinationFd);
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if (!copied.isFile() || copied.nlink !== 1 || copied.size !== expected.bytes)
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fail('PERSISTENCE_FAILED', 'Prepared export blob was not materialized as one regular file');
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} finally {
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if (sourceFd >= 0) fs.closeSync(sourceFd);
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if (destinationFd >= 0) fs.closeSync(destinationFd);
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}
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}
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/** Validate an inert container export and reconstruct its prepared tree using host no-follow writes. */
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export function materializePreparedExport(
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exportRoot: string,
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destinationRoot: string,
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maxBytes: number,
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): PreparedExportManifest {
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const source = resolve(exportRoot),
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destination = resolve(destinationRoot);
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if (!Number.isSafeInteger(maxBytes) || maxBytes <= 0 || maxBytes > 2 * 1024 * 1024 * 1024)
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fail('INVALID_ARGUMENT', 'Prepared export byte ceiling is invalid');
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for (const [path, label, empty] of [
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[source, 'Prepared inert export', false],
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[destination, 'Prepared output', true],
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] as const) {
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const stat = fs.lstatSync(path);
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if (
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!stat.isDirectory() ||
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stat.isSymbolicLink() ||
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fs.realpathSync(path) !== path ||
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(process.getuid && stat.uid !== process.getuid()) ||
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(stat.mode & 0o022) !== 0 ||
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(empty && fs.readdirSync(path).length)
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)
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fail('UNSAFE_PATH', `${label} must be one private${empty ? ' empty' : ''} owned directory`);
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}
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if (fs.readdirSync(source).sort().join('\0') !== 'blobs\0manifest.json')
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fail('UNSAFE_PATH', 'Prepared inert export contains undeclared top-level objects');
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const manifestPath = join(source, 'manifest.json'),
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manifestStat = fs.lstatSync(manifestPath);
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if (
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!manifestStat.isFile() ||
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manifestStat.isSymbolicLink() ||
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manifestStat.nlink !== 1 ||
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manifestStat.size < 1 ||
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manifestStat.size > MAX_MANIFEST ||
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(process.getuid && manifestStat.uid !== process.getuid())
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)
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fail('UNSAFE_PATH', 'Prepared export manifest is not one bounded owned file');
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let manifest: PreparedExportManifest;
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try {
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manifest = JSON.parse(fs.readFileSync(manifestPath, 'utf8'));
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} catch {
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fail('TOOL_FAILED', 'Prepared export manifest is invalid JSON');
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}
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if (
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!manifest ||
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Object.keys(manifest).sort().join(',') !== 'entries,schemaVersion' ||
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manifest.schemaVersion !== 1 ||
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!Array.isArray(manifest.entries) ||
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manifest.entries.length > MAX_PREPARED_EXPORT_ENTRIES
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)
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fail('TOOL_FAILED', 'Prepared export manifest has an invalid schema');
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const paths = new Set<string>(),
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directories = new Set<string>(),
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blobs = new Set<string>();
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let totalBytes = 0;
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for (const raw of manifest.entries) {
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const entry = raw as PreparedExportEntry,
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keys = Object.keys(entry).sort().join(',');
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if (
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!preparedRelative(entry?.path) ||
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paths.has(entry.path) ||
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!Number.isSafeInteger(entry.mode) ||
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entry.mode < 0 ||
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entry.mode > 0o777
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)
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fail('TOOL_FAILED', 'Prepared export contains a duplicate or invalid path record');
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paths.add(entry.path);
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const parent = entry.path.includes('/') ? entry.path.slice(0, entry.path.lastIndexOf('/')) : '';
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if (parent && !directories.has(parent))
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fail('TOOL_FAILED', 'Prepared export entry is missing its declared parent directory');
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if (entry.kind === 'directory') {
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if (keys !== 'kind,mode,path' || (entry.mode & 0o022) !== 0)
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fail('TOOL_FAILED', 'Prepared export directory record is invalid');
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directories.add(entry.path);
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} else if (entry.kind === 'file') {
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if (
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keys !== 'blob,bytes,kind,mode,path,sha256' ||
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!Number.isSafeInteger(entry.bytes) ||
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entry.bytes < 0 ||
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!/^[a-f0-9]{64}$/.test(entry.sha256) ||
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!/^blob-\d{6}$/.test(entry.blob) ||
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blobs.has(entry.blob)
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)
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fail('TOOL_FAILED', 'Prepared export file record is invalid');
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blobs.add(entry.blob);
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totalBytes += entry.bytes;
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if (!Number.isSafeInteger(totalBytes) || totalBytes > maxBytes)
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fail('INSUFFICIENT_CAPACITY', 'Prepared export exceeds its aggregate byte ceiling');
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} else if (entry.kind === 'symlink') {
|
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if (
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keys !== 'kind,mode,path,target' ||
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typeof entry.target !== 'string' ||
|
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!entry.target ||
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isAbsolute(entry.target) ||
|
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entry.target.includes('\0') ||
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/[\x01-\x1f\x7f]/.test(entry.target)
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)
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fail('TOOL_FAILED', 'Prepared export symlink record is invalid');
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const lexical = resolve(dirname(preparedTarget(destination, entry.path)), entry.target);
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if (lexical !== destination && !lexical.startsWith(`${destination}${sep}`))
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fail('UNSAFE_PATH', 'Prepared export symlink escapes its destination');
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} else fail('TOOL_FAILED', 'Prepared export entry kind is invalid');
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}
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const ordered = manifest.entries.map((entry) => entry.path);
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if (ordered.join('\0') !== [...ordered].sort().join('\0'))
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fail('TOOL_FAILED', 'Prepared export manifest is not in deterministic path order');
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|
const blobRoot = join(source, 'blobs'),
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blobRootStat = fs.lstatSync(blobRoot);
|
|
if (
|
|
!blobRootStat.isDirectory() ||
|
|
blobRootStat.isSymbolicLink() ||
|
|
(process.getuid && blobRootStat.uid !== process.getuid()) ||
|
|
fs.readdirSync(blobRoot).sort().join('\0') !== [...blobs].sort().join('\0')
|
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)
|
|
fail('UNSAFE_PATH', 'Prepared export blob membership does not match its manifest');
|
|
|
|
for (const entry of manifest.entries)
|
|
if (entry.kind === 'directory') fs.mkdirSync(preparedTarget(destination, entry.path), { mode: 0o700 });
|
|
for (const entry of manifest.entries)
|
|
if (entry.kind === 'file')
|
|
copyPreparedBlob(join(blobRoot, entry.blob), preparedTarget(destination, entry.path), entry);
|
|
for (const entry of manifest.entries)
|
|
if (entry.kind === 'symlink') fs.symlinkSync(entry.target, preparedTarget(destination, entry.path));
|
|
for (const entry of manifest.entries)
|
|
if (entry.kind === 'symlink') {
|
|
const path = preparedTarget(destination, entry.path);
|
|
let real: string, stat: fs.Stats;
|
|
try {
|
|
real = fs.realpathSync(path);
|
|
stat = fs.statSync(path);
|
|
} catch {
|
|
fail('UNSAFE_PATH', 'Prepared export symlink is dangling or cyclic');
|
|
}
|
|
if (
|
|
(real !== destination && !real.startsWith(`${destination}${sep}`)) ||
|
|
(!stat.isFile() && !stat.isDirectory())
|
|
)
|
|
fail('UNSAFE_PATH', 'Prepared export symlink resolves outside its prepared tree');
|
|
}
|
|
for (const entry of [...manifest.entries].reverse())
|
|
if (entry.kind === 'directory') fs.chmodSync(preparedTarget(destination, entry.path), entry.mode);
|
|
return manifest;
|
|
}
|
|
|
|
function addBlockedIpv4Ranges(blocked: net.BlockList): void {
|
|
for (const [address, prefix] of [
|
|
['0.0.0.0', 8],
|
|
['10.0.0.0', 8],
|
|
['100.64.0.0', 10],
|
|
['127.0.0.0', 8],
|
|
['169.254.0.0', 16],
|
|
['172.16.0.0', 12],
|
|
['192.0.0.0', 24],
|
|
['192.0.2.0', 24],
|
|
['192.168.0.0', 16],
|
|
['198.18.0.0', 15],
|
|
['198.51.100.0', 24],
|
|
['203.0.113.0', 24],
|
|
['224.0.0.0', 4],
|
|
['240.0.0.0', 4],
|
|
] as Array<[string, number]>)
|
|
blocked.addSubnet(address, prefix, 'ipv4');
|
|
}
|
|
function addBlockedIpv6Ranges(blocked: net.BlockList): void {
|
|
for (const [address, prefix] of [
|
|
['::', 96], // unspecified, IPv4-compatible, and other deprecated v4 embeddings
|
|
['::ffff:0.0.0.0', 96], // IPv4-mapped addresses must not bypass the IPv4 ranges
|
|
['64:ff9b::', 96],
|
|
['64:ff9b:1::', 48], // public and local-use NAT64 translators
|
|
['100::', 64], // discard-only
|
|
['2001::', 23], // IETF special-purpose assignments (Teredo, ORCHID, benchmarking)
|
|
['2001:db8::', 32], // documentation prefix
|
|
['2002::', 16], // 6to4 can embed otherwise blocked IPv4 destinations
|
|
['3fff::', 20], // documentation prefix
|
|
['fc00::', 7],
|
|
['fe80::', 10],
|
|
['fec0::', 10],
|
|
['ff00::', 8],
|
|
] as Array<[string, number]>)
|
|
blocked.addSubnet(address, prefix, 'ipv6');
|
|
}
|
|
|
|
const registryBlockedAddresses = new net.BlockList();
|
|
const registryBlockedIpv6Addresses = new net.BlockList();
|
|
addBlockedIpv4Ranges(registryBlockedAddresses);
|
|
addBlockedIpv6Ranges(registryBlockedIpv6Addresses);
|
|
|
|
/** Pure classification used before any registry connection is attempted. */
|
|
export function isBlockedRegistryAddress(address: string, family: 4 | 6): boolean {
|
|
if (net.isIP(address) !== family) return true;
|
|
return (family === 6 ? registryBlockedIpv6Addresses : registryBlockedAddresses).check(
|
|
address,
|
|
family === 6 ? 'ipv6' : 'ipv4',
|
|
);
|
|
}
|
|
|
|
export interface RegistryDnsAddress {
|
|
address: string;
|
|
family: 4 | 6;
|
|
}
|
|
export interface RegistryDnsResolution {
|
|
promise: Promise<RegistryDnsAddress[]>;
|
|
cancel(): void;
|
|
}
|
|
export type RegistryDnsResolver = (host: string) => RegistryDnsResolution;
|
|
|
|
function systemRegistryDnsResolver(host: string): RegistryDnsResolution {
|
|
const resolver = new dns.Resolver();
|
|
const promise = Promise.allSettled([resolver.resolve4(host), resolver.resolve6(host)]).then((results) => {
|
|
const answers: RegistryDnsAddress[] = [];
|
|
if (results[0].status === 'fulfilled')
|
|
for (const address of results[0].value) answers.push({ address, family: 4 });
|
|
if (results[1].status === 'fulfilled')
|
|
for (const address of results[1].value) answers.push({ address, family: 6 });
|
|
if (!answers.length) {
|
|
const rejected = results.find(
|
|
(result): result is PromiseRejectedResult => result.status === 'rejected',
|
|
);
|
|
if (rejected) throw rejected.reason;
|
|
}
|
|
return answers;
|
|
});
|
|
return { promise, cancel: () => resolver.cancel() };
|
|
}
|
|
|
|
/**
|
|
* Host-side CONNECT broker. The acquisition container remains in Docker's
|
|
* network-none namespace and reaches this broker only through a bind-mounted
|
|
* Unix socket and its qualified loopback forwarder.
|
|
*/
|
|
export class RegistryEgressBroker {
|
|
readonly contactedHosts = new Set<string>();
|
|
readonly deniedHosts = new Set<string>();
|
|
private readonly server = net.createServer((socket) => this.accept(socket));
|
|
private readonly sockets = new Set<net.Socket>();
|
|
private readonly tasks = new Set<Promise<void>>();
|
|
private readonly resolutions = new Set<{ cancel(error: CsoError): void }>();
|
|
private readonly pinned = new Map<string, string>();
|
|
private transferred = 0;
|
|
private violation: string | undefined;
|
|
private started = false;
|
|
private closing = false;
|
|
|
|
constructor(
|
|
readonly socketPath: string,
|
|
readonly allowedHosts: string[],
|
|
private readonly deadline: number,
|
|
private readonly maxBytes: number,
|
|
private readonly resolveDns: RegistryDnsResolver = systemRegistryDnsResolver,
|
|
) {
|
|
if (
|
|
!socketPath.startsWith('/') ||
|
|
!allowedHosts.length ||
|
|
new Set(allowedHosts).size !== allowedHosts.length ||
|
|
allowedHosts.some((host) => host !== host.toLowerCase() || !/^[a-z0-9.-]{1,253}$/.test(host)) ||
|
|
!Number.isSafeInteger(deadline) ||
|
|
deadline <= Date.now() ||
|
|
!Number.isSafeInteger(maxBytes) ||
|
|
maxBytes <= 0
|
|
)
|
|
fail('INVALID_ARGUMENT', 'Registry broker requires a bounded allowlist, deadline, and byte ceiling');
|
|
}
|
|
|
|
async start(): Promise<void> {
|
|
if (this.started || this.closing)
|
|
fail('INVALID_ARGUMENT', 'Registry broker cannot be started more than once');
|
|
if (fs.existsSync(this.socketPath)) fail('UNSAFE_PATH', 'Registry broker socket path already exists');
|
|
await new Promise<void>((resolveStart, reject) => {
|
|
const onError = () =>
|
|
reject(new CsoError('ISOLATION_FAILED', 'Registry broker could not bind its private Unix socket'));
|
|
this.server.once('error', onError);
|
|
this.server.listen(this.socketPath, () => {
|
|
this.server.off('error', onError);
|
|
resolveStart();
|
|
});
|
|
});
|
|
this.started = true;
|
|
this.server.on('error', () => {
|
|
this.violation ??= 'Registry broker listener failed';
|
|
});
|
|
fs.chmodSync(this.socketPath, 0o600);
|
|
const stat = fs.lstatSync(this.socketPath);
|
|
if (!stat.isSocket() || stat.isSymbolicLink() || (process.getuid && stat.uid !== process.getuid()))
|
|
fail('UNSAFE_PATH', 'Registry broker did not create an owned Unix socket');
|
|
}
|
|
|
|
private deny(socket: net.Socket, message: string, host?: string): void {
|
|
this.violation ??= message;
|
|
if (host) this.deniedHosts.add(host);
|
|
try {
|
|
socket.end('HTTP/1.1 403 Forbidden\r\nConnection: close\r\n\r\n');
|
|
} catch {
|
|
socket.destroy();
|
|
}
|
|
}
|
|
|
|
private async lookup(host: string, lookupDeadline: number): Promise<RegistryDnsAddress[]> {
|
|
const resolution = this.resolveDns(host);
|
|
if (
|
|
!resolution ||
|
|
typeof resolution.cancel !== 'function' ||
|
|
!resolution.promise ||
|
|
typeof resolution.promise.then !== 'function'
|
|
)
|
|
fail('ISOLATION_FAILED', 'Registry DNS resolver returned an invalid operation');
|
|
let rejectCancellation!: (error: CsoError) => void,
|
|
settled = false;
|
|
const cancelled = new Promise<never>((_resolve, reject) => {
|
|
rejectCancellation = reject;
|
|
});
|
|
const active = {
|
|
cancel: (error: CsoError) => {
|
|
if (settled) return;
|
|
try {
|
|
resolution.cancel();
|
|
} catch {}
|
|
rejectCancellation(error);
|
|
},
|
|
};
|
|
this.resolutions.add(active);
|
|
const remaining = lookupDeadline - Date.now();
|
|
if (remaining <= 0) active.cancel(new CsoError('DEADLINE', 'Registry DNS lookup deadline elapsed'));
|
|
const timer =
|
|
remaining > 0
|
|
? setTimeout(
|
|
() => active.cancel(new CsoError('DEADLINE', 'Registry DNS lookup deadline elapsed')),
|
|
remaining,
|
|
)
|
|
: undefined;
|
|
try {
|
|
const answers = await Promise.race([resolution.promise, cancelled]);
|
|
if (
|
|
!Array.isArray(answers) ||
|
|
answers.some(
|
|
(answer) =>
|
|
!answer || typeof answer.address !== 'string' || (answer.family !== 4 && answer.family !== 6),
|
|
)
|
|
)
|
|
fail('ISOLATION_FAILED', 'Registry DNS resolver returned invalid addresses');
|
|
return answers;
|
|
} finally {
|
|
settled = true;
|
|
if (timer) clearTimeout(timer);
|
|
this.resolutions.delete(active);
|
|
}
|
|
}
|
|
|
|
private async openTunnel(
|
|
socket: net.Socket,
|
|
host: string,
|
|
remainder: Buffer,
|
|
connectionDeadline: number,
|
|
): Promise<void> {
|
|
try {
|
|
const answers = (await this.lookup(host, connectionDeadline)).filter(
|
|
(answer) => !isBlockedRegistryAddress(answer.address, answer.family),
|
|
);
|
|
if (this.closing || socket.destroyed) return;
|
|
if (Date.now() >= this.deadline || Date.now() >= connectionDeadline) {
|
|
this.deny(socket, 'Registry acquisition deadline elapsed', host);
|
|
return;
|
|
}
|
|
if (!answers.length) {
|
|
this.deny(socket, 'Registry DNS resolved only to blocked or invalid addresses', host);
|
|
return;
|
|
}
|
|
const identity = answers
|
|
.map((answer) => `${answer.family}:${answer.address}`)
|
|
.sort()
|
|
.join(',');
|
|
const prior = this.pinned.get(host);
|
|
if (prior && prior !== identity) {
|
|
this.deny(socket, 'Registry DNS answers changed during one acquisition', host);
|
|
return;
|
|
}
|
|
this.pinned.set(host, identity);
|
|
const selected = answers.sort((a, b) => a.address.localeCompare(b.address))[0];
|
|
// No await is permitted between the closing/deadline check and socket
|
|
// registration: close() must either prevent this dial or destroy it.
|
|
if (this.closing || socket.destroyed || Date.now() >= this.deadline) return;
|
|
const upstream = net.connect({ host: selected.address, port: 443, family: selected.family });
|
|
this.sockets.add(upstream);
|
|
upstream.setTimeout(Math.max(1, Math.min(30_000, this.deadline - Date.now())));
|
|
upstream.once('close', () => this.sockets.delete(upstream));
|
|
upstream.once('error', () => {
|
|
if (!this.closing) this.violation ??= 'Registry connection failed after DNS pinning';
|
|
socket.destroy();
|
|
});
|
|
upstream.once('connect', () => {
|
|
if (this.closing || socket.destroyed || Date.now() >= this.deadline) {
|
|
upstream.destroy();
|
|
socket.destroy();
|
|
return;
|
|
}
|
|
const addBytes = (bytes: number) => {
|
|
this.transferred += bytes;
|
|
if (this.transferred <= this.maxBytes) return true;
|
|
this.violation = 'Registry transfer exceeded its byte ceiling';
|
|
socket.destroy();
|
|
upstream.destroy();
|
|
return false;
|
|
};
|
|
const count = (chunk: Buffer) => {
|
|
addBytes(chunk.length);
|
|
};
|
|
socket.on('data', count);
|
|
upstream.on('data', count);
|
|
socket.pipe(upstream);
|
|
upstream.pipe(socket);
|
|
this.contactedHosts.add(host);
|
|
socket.write('HTTP/1.1 200 Connection Established\r\n\r\n');
|
|
if (remainder.length && addBytes(remainder.length)) upstream.write(remainder);
|
|
});
|
|
} catch {
|
|
if (this.closing || socket.destroyed) return;
|
|
this.deny(socket, 'Registry DNS lookup or pinned connection failed', host);
|
|
}
|
|
}
|
|
|
|
private accept(socket: net.Socket): void {
|
|
if (this.closing || Date.now() >= this.deadline) {
|
|
socket.destroy();
|
|
return;
|
|
}
|
|
if (this.sockets.size >= 64) {
|
|
this.deny(socket, 'Registry broker connection limit exceeded');
|
|
return;
|
|
}
|
|
const connectionDeadline = Math.min(this.deadline, Date.now() + 30_000);
|
|
this.sockets.add(socket);
|
|
socket.setTimeout(Math.max(1, connectionDeadline - Date.now()));
|
|
socket.once('close', () => this.sockets.delete(socket));
|
|
let pending = Buffer.alloc(0),
|
|
handled = false;
|
|
const first = (chunk: Buffer) => {
|
|
if (handled) return;
|
|
pending = Buffer.concat([pending, chunk]);
|
|
if (pending.length > 16 * 1024) {
|
|
handled = true;
|
|
this.deny(socket, 'Registry proxy request exceeded its header limit');
|
|
return;
|
|
}
|
|
const end = pending.indexOf('\r\n\r\n');
|
|
if (end < 0) return;
|
|
handled = true;
|
|
socket.off('data', first);
|
|
const header = pending.subarray(0, end + 4).toString('ascii'),
|
|
remainder = pending.subarray(end + 4);
|
|
const line = header.slice(0, header.indexOf('\r\n'));
|
|
const match = line.match(/^CONNECT ([a-zA-Z0-9.-]+):443 HTTP\/1\.[01]$/);
|
|
const host = match?.[1].toLowerCase();
|
|
if (
|
|
!host ||
|
|
header.toLowerCase().includes('\r\nproxy-authorization:') ||
|
|
!this.allowedHosts.includes(host)
|
|
) {
|
|
this.deny(socket, 'Registry proxy rejected a non-allowlisted CONNECT request', host);
|
|
return;
|
|
}
|
|
const task = this.openTunnel(socket, host, remainder, connectionDeadline);
|
|
this.tasks.add(task);
|
|
void task.then(
|
|
() => this.tasks.delete(task),
|
|
() => this.tasks.delete(task),
|
|
);
|
|
};
|
|
socket.on('data', first);
|
|
socket.once('timeout', () => this.deny(socket, 'Registry proxy connection timed out'));
|
|
socket.once('error', () => {});
|
|
}
|
|
|
|
assertClean(): void {
|
|
if (this.violation) fail('ISOLATION_FAILED', this.violation);
|
|
}
|
|
|
|
async close(): Promise<void> {
|
|
this.closing = true;
|
|
for (const resolution of this.resolutions)
|
|
resolution.cancel(new CsoError('ISOLATION_FAILED', 'Registry broker closed during DNS resolution'));
|
|
for (const socket of this.sockets) socket.destroy();
|
|
if (this.started && this.server.listening)
|
|
await new Promise<void>((resolveClose) => this.server.close(() => resolveClose()));
|
|
await Promise.allSettled([...this.tasks]);
|
|
this.started = false;
|
|
try {
|
|
const stat = fs.lstatSync(this.socketPath);
|
|
if (!stat.isSocket() || stat.isSymbolicLink())
|
|
fail('UNSAFE_PATH', 'Registry broker socket changed before cleanup');
|
|
fs.unlinkSync(this.socketPath);
|
|
} catch (error: any) {
|
|
if (error?.code !== 'ENOENT') throw error;
|
|
}
|
|
}
|
|
}
|
|
|
|
export interface DockerPreparationRunnerOptions {
|
|
endpoint: DockerEndpoint;
|
|
watchdogPath: string;
|
|
controlRoot: string;
|
|
runRoot?: string;
|
|
admission: PreparationRuntimeAdmission;
|
|
}
|
|
|
|
export interface PreparedCallGuard {
|
|
callRoot: string;
|
|
controlRoot: string;
|
|
dispose(): Promise<void>;
|
|
}
|
|
export interface SupervisedRegistrySocket {
|
|
root: string;
|
|
socketPath: string;
|
|
dispose(): Promise<void>;
|
|
}
|
|
/** Darwin's sockaddr_un.sun_path is 104 bytes including its terminator. */
|
|
export const REGISTRY_SOCKET_PATH_MAX_BYTES = 90;
|
|
function sameDirectory(left: fs.Stats, right: fs.Stats): boolean {
|
|
return left.dev === right.dev && left.ino === right.ino && left.uid === right.uid;
|
|
}
|
|
function ownedDirectory(path: string, label: string): fs.Stats {
|
|
let stat: fs.Stats;
|
|
try {
|
|
stat = fs.lstatSync(path);
|
|
} catch {
|
|
fail('PERSISTENCE_FAILED', `${label} disappeared`);
|
|
}
|
|
if (!stat!.isDirectory() || stat!.isSymbolicLink() || (process.getuid && stat!.uid !== process.getuid()))
|
|
fail('UNSAFE_PATH', `${label} is not one owned directory`);
|
|
return stat!;
|
|
}
|
|
/** Detached guard for a successful retained preparation copy. Exported for fault-injection qualification. */
|
|
export async function supervisePreparedCall(options: {
|
|
watchdogPath: string;
|
|
ownerPid: number;
|
|
deadline: number;
|
|
runRoot: string;
|
|
callRoot: string;
|
|
controlRoot: string;
|
|
}): Promise<PreparedCallGuard> {
|
|
const run = fs.realpathSync(options.runRoot),
|
|
call = fs.realpathSync(options.callRoot),
|
|
control = fs.realpathSync(options.controlRoot);
|
|
if (
|
|
!Number.isSafeInteger(options.ownerPid) ||
|
|
options.ownerPid <= 1 ||
|
|
!Number.isSafeInteger(options.deadline) ||
|
|
options.deadline <= Date.now() ||
|
|
!call.startsWith(`${run}${sep}`) ||
|
|
!control.startsWith(`${run}${sep}`) ||
|
|
call === control
|
|
)
|
|
fail('ISOLATION_FAILED', 'Prepared-copy supervision paths or deadline are invalid');
|
|
const callIdentity = ownedDirectory(call, 'Prepared call root'),
|
|
controlIdentity = ownedDirectory(control, 'Prepared supervision control');
|
|
if (!fs.existsSync(options.watchdogPath) || fs.lstatSync(options.watchdogPath).isSymbolicLink())
|
|
fail('ISOLATION_FAILED', 'Prepared-copy watchdog is missing from the trusted helper distribution');
|
|
const ready = join(control, 'attempt.ready'),
|
|
terminal = join(control, 'attempt.terminal'),
|
|
stopped = join(control, 'attempt.stopped'),
|
|
event = join(control, 'attempt.event');
|
|
const child = spawn(
|
|
options.watchdogPath,
|
|
[
|
|
'--attempt-owner',
|
|
String(options.ownerPid),
|
|
'--deadline',
|
|
String(Math.ceil(options.deadline / 1000)),
|
|
'--control-dir',
|
|
control,
|
|
'--work-root',
|
|
call,
|
|
'--run-root',
|
|
run,
|
|
],
|
|
{ cwd: control, env: { PATH: '/usr/bin:/bin' }, detached: true, stdio: 'ignore' },
|
|
);
|
|
let failed = false;
|
|
child.once('error', () => {
|
|
failed = true;
|
|
});
|
|
child.unref();
|
|
for (let attempt = 0; attempt < 100 && !failed && !fs.existsSync(ready); attempt++)
|
|
await new Promise((resolveWait) => setTimeout(resolveWait, 10));
|
|
let alive = false;
|
|
try {
|
|
if (child.pid) {
|
|
process.kill(child.pid, 0);
|
|
alive = true;
|
|
}
|
|
} catch {}
|
|
if (failed || !alive || !fs.existsSync(ready)) {
|
|
try {
|
|
if (child.pid) process.kill(child.pid, 'SIGKILL');
|
|
} catch {}
|
|
fail('ISOLATION_FAILED', 'Prepared-copy watchdog failed its startup handshake');
|
|
}
|
|
let disposed = false;
|
|
return {
|
|
callRoot: call,
|
|
controlRoot: control,
|
|
dispose: async () => {
|
|
if (disposed) fail('PERSISTENCE_FAILED', 'Prepared-copy guard was already disposed');
|
|
disposed = true;
|
|
let supervised = false;
|
|
try {
|
|
const current = fs.lstatSync(call);
|
|
if (!sameDirectory(callIdentity, current) || !current.isDirectory() || current.isSymbolicLink())
|
|
fail('SNAPSHOT_RACE', 'Prepared call root changed before cleanup');
|
|
fs.rmSync(call, { recursive: true, force: false });
|
|
supervised = true;
|
|
} catch (error: any) {
|
|
if (error instanceof CsoError) throw error;
|
|
if (error?.code !== 'ENOENT' || !fs.existsSync(event))
|
|
fail('PERSISTENCE_FAILED', 'Prepared execution copy could not be removed exactly');
|
|
}
|
|
if (supervised) {
|
|
fs.writeFileSync(terminal, 'normal cleanup complete\n', { mode: 0o600, flag: 'wx' });
|
|
for (let attempt = 0; attempt < 100 && !fs.existsSync(stopped); attempt++)
|
|
await new Promise((resolveWait) => setTimeout(resolveWait, 10));
|
|
if (!fs.existsSync(stopped))
|
|
fail('ISOLATION_FAILED', 'Prepared-copy watchdog did not acknowledge exact cleanup');
|
|
}
|
|
const currentControl = ownedDirectory(control, 'Prepared supervision control');
|
|
if (!sameDirectory(controlIdentity, currentControl))
|
|
fail('SNAPSHOT_RACE', 'Prepared supervision control changed before cleanup');
|
|
fs.rmSync(control, { recursive: true, force: false });
|
|
},
|
|
};
|
|
}
|
|
|
|
function removeExactDirectory(path: string, identity: fs.Stats, label: string): void {
|
|
let current: fs.Stats;
|
|
try {
|
|
current = fs.lstatSync(path);
|
|
} catch (error: any) {
|
|
if (error?.code === 'ENOENT') return;
|
|
fail('PERSISTENCE_FAILED', `${label} disappeared before exact cleanup`);
|
|
}
|
|
if (!current!.isDirectory() || current!.isSymbolicLink() || !sameDirectory(identity, current!))
|
|
fail('SNAPSHOT_RACE', `${label} changed before exact cleanup`);
|
|
try {
|
|
fs.rmSync(path, { recursive: true, force: false });
|
|
} catch {
|
|
fail('PERSISTENCE_FAILED', `${label} could not be removed exactly`);
|
|
}
|
|
if (fs.existsSync(path)) fail('PERSISTENCE_FAILED', `${label} cleanup could not be proven`);
|
|
}
|
|
function registrySocketBase(): { path: string; uid: number } {
|
|
const getuid = process.getuid;
|
|
if (process.platform === 'win32' || !getuid)
|
|
fail('PREREQUISITE', 'Registry acquisition requires local Unix sockets');
|
|
const uid = getuid();
|
|
let temporary: string;
|
|
try {
|
|
temporary = fs.realpathSync('/tmp');
|
|
} catch {
|
|
fail('PREREQUISITE', 'A canonical local temporary directory is required for registry acquisition');
|
|
}
|
|
const stat = fs.lstatSync(temporary!);
|
|
if (
|
|
temporary === '/' ||
|
|
!stat.isDirectory() ||
|
|
stat.isSymbolicLink() ||
|
|
(stat.uid !== 0 && stat.uid !== uid) ||
|
|
((stat.mode & 0o022) !== 0 && (stat.mode & 0o1000) === 0)
|
|
)
|
|
fail('UNSAFE_PATH', 'The local temporary directory is not a trusted sticky directory');
|
|
return { path: temporary!, uid };
|
|
}
|
|
|
|
/**
|
|
* Create a collision-resistant, Darwin-safe registry socket path and place its
|
|
* entire per-call root under an independent owner/deadline watchdog. The
|
|
* watchdog control directory is nested deliberately, so normal termination,
|
|
* owner death, and deadline expiry all remove the same exact root without a
|
|
* caller-only cleanup interval.
|
|
*/
|
|
export async function superviseRegistrySocket(options: {
|
|
watchdogPath: string;
|
|
ownerPid: number;
|
|
deadline: number;
|
|
}): Promise<SupervisedRegistrySocket> {
|
|
if (
|
|
!Number.isSafeInteger(options.ownerPid) ||
|
|
options.ownerPid <= 1 ||
|
|
!Number.isSafeInteger(options.deadline) ||
|
|
options.deadline <= Date.now()
|
|
)
|
|
fail('ISOLATION_FAILED', 'Registry socket supervision owner or deadline is invalid');
|
|
let watchdog = '',
|
|
watchdogStat: fs.Stats;
|
|
try {
|
|
watchdog = fs.realpathSync(options.watchdogPath);
|
|
watchdogStat = fs.lstatSync(options.watchdogPath);
|
|
} catch {
|
|
fail('ISOLATION_FAILED', 'Registry socket watchdog is missing from the trusted helper distribution');
|
|
}
|
|
if (
|
|
!isAbsolute(options.watchdogPath) ||
|
|
watchdog !== options.watchdogPath ||
|
|
!watchdogStat!.isFile() ||
|
|
watchdogStat!.isSymbolicLink() ||
|
|
(watchdogStat!.mode & 0o111) === 0 ||
|
|
(process.getuid && watchdogStat!.uid !== 0 && watchdogStat!.uid !== process.getuid())
|
|
)
|
|
fail('ISOLATION_FAILED', 'Registry socket watchdog must be one canonical owned executable');
|
|
const { path: base, uid } = registrySocketBase();
|
|
let root = '';
|
|
for (let attempt = 0; attempt < 4 && !root; attempt++) {
|
|
const candidate = join(base, `gscso-${uid}-${randomBytes(16).toString('hex')}`);
|
|
try {
|
|
fs.mkdirSync(candidate, { mode: 0o700 });
|
|
root = candidate;
|
|
} catch (error: any) {
|
|
if (error?.code !== 'EEXIST') throw error;
|
|
}
|
|
}
|
|
if (!root)
|
|
fail('INSUFFICIENT_CAPACITY', 'A unique private registry socket directory could not be allocated');
|
|
fs.chmodSync(root, 0o700);
|
|
const rootIdentity = ownedDirectory(root, 'Registry socket root'),
|
|
socketPath = join(root, 'r.sock');
|
|
if (fs.realpathSync(root) !== root || Buffer.byteLength(socketPath) > REGISTRY_SOCKET_PATH_MAX_BYTES) {
|
|
removeExactDirectory(root, rootIdentity, 'Registry socket root');
|
|
fail(
|
|
'PREREQUISITE',
|
|
`The canonical registry socket path exceeds ${REGISTRY_SOCKET_PATH_MAX_BYTES} bytes`,
|
|
);
|
|
}
|
|
let control = '';
|
|
let child: ReturnType<typeof spawn> | undefined;
|
|
let failed = false;
|
|
let exitCode: number | null | undefined;
|
|
try {
|
|
control = secureDirectory(join(root, 'control'));
|
|
const ready = join(control, 'attempt.ready'),
|
|
terminal = join(control, 'attempt.terminal');
|
|
child = spawn(
|
|
watchdog,
|
|
[
|
|
'--ephemeral-owner',
|
|
String(options.ownerPid),
|
|
'--deadline',
|
|
String(Math.ceil(options.deadline / 1000)),
|
|
'--control-dir',
|
|
control,
|
|
'--work-root',
|
|
root,
|
|
'--run-root',
|
|
base,
|
|
],
|
|
{ cwd: control, env: { PATH: '/usr/bin:/bin' }, detached: true, stdio: 'ignore' },
|
|
);
|
|
const exited = new Promise<number | null>((resolveExit) =>
|
|
child!.once('close', (code) => {
|
|
exitCode = code;
|
|
resolveExit(code);
|
|
}),
|
|
);
|
|
child.once('error', () => {
|
|
failed = true;
|
|
});
|
|
child.unref();
|
|
for (let attempt = 0; attempt < 100 && !failed && !fs.existsSync(ready); attempt++)
|
|
await new Promise((resolveWait) => setTimeout(resolveWait, 10));
|
|
let alive = false;
|
|
try {
|
|
if (child.pid) {
|
|
process.kill(child.pid, 0);
|
|
alive = true;
|
|
}
|
|
} catch {}
|
|
if (failed || !alive || !fs.existsSync(ready)) {
|
|
try {
|
|
if (child.pid) process.kill(child.pid, 'SIGKILL');
|
|
} catch {}
|
|
await Promise.race([exited, new Promise((resolveWait) => setTimeout(resolveWait, 1000))]);
|
|
fail('ISOLATION_FAILED', 'Registry socket watchdog failed its startup handshake');
|
|
}
|
|
let disposed = false;
|
|
return {
|
|
root,
|
|
socketPath,
|
|
dispose: async () => {
|
|
if (disposed) fail('PERSISTENCE_FAILED', 'Registry socket guard was already disposed');
|
|
disposed = true;
|
|
let current: fs.Stats;
|
|
try {
|
|
current = fs.lstatSync(root);
|
|
} catch (error: any) {
|
|
if (error?.code !== 'ENOENT')
|
|
fail('PERSISTENCE_FAILED', 'Registry socket root disappeared during cleanup');
|
|
const code =
|
|
exitCode === undefined
|
|
? await Promise.race([
|
|
exited,
|
|
new Promise<undefined>((resolveWait) => setTimeout(() => resolveWait(undefined), 5000)),
|
|
])
|
|
: exitCode;
|
|
if (code !== 0)
|
|
fail('ISOLATION_FAILED', 'Registry socket watchdog did not complete abnormal exact cleanup');
|
|
return;
|
|
}
|
|
if (!current!.isDirectory() || current!.isSymbolicLink() || !sameDirectory(rootIdentity, current!))
|
|
fail('SNAPSHOT_RACE', 'Registry socket root changed before cleanup');
|
|
try {
|
|
fs.writeFileSync(terminal, 'normal cleanup complete\n', { mode: 0o600, flag: 'wx' });
|
|
} catch (error: any) {
|
|
if (error?.code !== 'ENOENT') throw error;
|
|
}
|
|
for (let attempt = 0; attempt < 500 && fs.existsSync(root); attempt++)
|
|
await new Promise((resolveWait) => setTimeout(resolveWait, 10));
|
|
if (fs.existsSync(root))
|
|
fail('ISOLATION_FAILED', 'Registry socket watchdog did not remove the exact private root');
|
|
const code =
|
|
exitCode === undefined
|
|
? await Promise.race([
|
|
exited,
|
|
new Promise<undefined>((resolveWait) => setTimeout(() => resolveWait(undefined), 5000)),
|
|
])
|
|
: exitCode;
|
|
if (code !== 0)
|
|
fail('ISOLATION_FAILED', 'Registry socket watchdog exited without completing exact cleanup');
|
|
},
|
|
};
|
|
} catch (error) {
|
|
try {
|
|
if (child?.pid) process.kill(child.pid, 'SIGKILL');
|
|
} catch {}
|
|
let cleanupError: unknown;
|
|
try {
|
|
removeExactDirectory(root, rootIdentity, 'Registry socket root');
|
|
} catch (failure) {
|
|
cleanupError = failure;
|
|
}
|
|
if (cleanupError) throw cleanupError;
|
|
throw error;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Requires qualified runtime images to contain the fixed, compiled
|
|
* /opt/cso/preparation@1.0.0 helper contract.
|
|
*/
|
|
export class DockerPreparationSandboxRunner implements PreparationSandboxRunner {
|
|
readonly qualification;
|
|
private readonly runtime;
|
|
private readonly controlRoot: string;
|
|
private readonly preparedRoots = new Map<
|
|
string,
|
|
{ guard: PreparedCallGuard; callDir: string; callIdentity: fs.Stats }
|
|
>();
|
|
|
|
constructor(private readonly options: DockerPreparationRunnerOptions) {
|
|
this.runtime = admittedPreparationRuntime(options.admission);
|
|
if (
|
|
!['node', 'bun', 'python', 'rails'].includes(this.runtime.stack) ||
|
|
this.runtime.versions['cso-preparation'] !== '1.0.0'
|
|
)
|
|
fail('PREREQUISITE', 'Qualified runtime lacks the cso-preparation=1.0.0 container helper contract');
|
|
this.controlRoot = secureDirectory(resolve(options.controlRoot));
|
|
this.qualification = Object.freeze({
|
|
schemaVersion: 1 as const,
|
|
helperAbi: CSO_HELPER_ABI,
|
|
runnerId: 'docker-registry-broker-v1',
|
|
policyVersion: 'cso-preparation-v1' as const,
|
|
supportedStacks: [this.runtime.stack as CsoStack],
|
|
registryRestrictionQualified: true as const,
|
|
dnsRebindingTestsPassed: true as const,
|
|
acquisitionExcludesSource: true as const,
|
|
offlineContainmentQualified: true as const,
|
|
immutableArchiveMounts: true as const,
|
|
resourceLimitsEnforced: true as const,
|
|
});
|
|
}
|
|
|
|
private assertRuntime(request: PreparationAcquireRequest | OfflinePreparationRequest): void {
|
|
if (
|
|
request.runtime.id !== this.runtime.id ||
|
|
request.runtime.image !== this.runtime.image ||
|
|
request.runtime.platform !== this.runtime.platform ||
|
|
request.stack !== this.runtime.stack
|
|
)
|
|
fail('INCOMPATIBLE_INPUT', 'Docker preparation request does not match its admitted runtime');
|
|
}
|
|
|
|
private callDirectory(prefix: string): string {
|
|
return secureDirectory(
|
|
join(this.controlRoot, `${prefix}-${Date.now()}-${randomBytes(8).toString('hex')}`),
|
|
);
|
|
}
|
|
private removeCallDirectory(path: string, identity: fs.Stats): void {
|
|
let current: fs.Stats;
|
|
try {
|
|
current = fs.lstatSync(path);
|
|
} catch {
|
|
fail('PERSISTENCE_FAILED', 'Preparation call directory disappeared before exact cleanup');
|
|
}
|
|
if (
|
|
!current!.isDirectory() ||
|
|
current!.isSymbolicLink() ||
|
|
current!.dev !== identity.dev ||
|
|
current!.ino !== identity.ino
|
|
)
|
|
fail('SNAPSHOT_RACE', 'Preparation call directory changed before cleanup');
|
|
try {
|
|
fs.rmSync(path, { recursive: true, force: false });
|
|
} catch {
|
|
fail('PERSISTENCE_FAILED', 'Preparation call directory could not be removed');
|
|
}
|
|
if (fs.existsSync(path))
|
|
fail('PERSISTENCE_FAILED', 'Preparation call directory cleanup could not be proven');
|
|
}
|
|
|
|
private publishArtifacts(
|
|
artifacts: AcquisitionArtifactReceipt[],
|
|
output: string,
|
|
stagingRoot: string,
|
|
maxBytes: number,
|
|
): void {
|
|
const created: string[] = [];
|
|
try {
|
|
for (const artifact of artifacts) {
|
|
if (
|
|
typeof artifact.stagingPath !== 'string' ||
|
|
!artifact.stagingPath.startsWith('cso-public/') ||
|
|
artifact.stagingPath.slice('cso-public/'.length).includes('/')
|
|
)
|
|
fail('TOOL_FAILED', 'Qualified helper returned an invalid staging artifact path');
|
|
const name = artifact.stagingPath.slice('cso-public/'.length),
|
|
source = contained(join(output, 'archives'), name),
|
|
target = contained(stagingRoot, artifact.stagingPath);
|
|
const stat = fs.lstatSync(source);
|
|
if (
|
|
!stat.isFile() ||
|
|
stat.isSymbolicLink() ||
|
|
stat.nlink !== 1 ||
|
|
stat.size !== artifact.bytes ||
|
|
stat.size > maxBytes ||
|
|
(process.getuid && stat.uid !== process.getuid()) ||
|
|
(stat.mode & 0o022) !== 0 ||
|
|
fileSha256(source, maxBytes) !== artifact.sha256
|
|
)
|
|
fail('TOOL_FAILED', 'Qualified helper output did not match its archive receipt');
|
|
secureDirectory(resolve(target, '..'));
|
|
fs.copyFileSync(source, target, fs.constants.COPYFILE_EXCL);
|
|
fs.chmodSync(target, 0o600);
|
|
created.push(target);
|
|
const copied = fs.lstatSync(target);
|
|
if (
|
|
!copied.isFile() ||
|
|
copied.isSymbolicLink() ||
|
|
copied.nlink !== 1 ||
|
|
copied.size !== artifact.bytes ||
|
|
fileSha256(target, maxBytes) !== artifact.sha256
|
|
)
|
|
fail('SNAPSHOT_RACE', 'Staged acquisition artifact changed during publication');
|
|
}
|
|
} catch (error) {
|
|
for (const path of created.reverse()) {
|
|
try {
|
|
const stat = fs.lstatSync(path);
|
|
if (stat.isFile() && !stat.isSymbolicLink() && stat.nlink === 1) fs.unlinkSync(path);
|
|
} catch {}
|
|
}
|
|
throw error;
|
|
}
|
|
}
|
|
|
|
private execClean(
|
|
group: DockerGroup,
|
|
id: string,
|
|
command: string[],
|
|
options: { workdir?: string; env?: Record<string, string> } = {},
|
|
) {
|
|
const forbidden = new Set([
|
|
'BUN_OPTIONS',
|
|
'BUN_BE_BUN',
|
|
'NODE_OPTIONS',
|
|
'RUBYOPT',
|
|
'RUBYLIB',
|
|
'PYTHONPATH',
|
|
'PYTHONHOME',
|
|
'LD_PRELOAD',
|
|
'LD_LIBRARY_PATH',
|
|
'ENV',
|
|
'BASH_ENV',
|
|
'CDPATH',
|
|
]);
|
|
if (Object.keys(options.env ?? {}).some((key) => forbidden.has(key)))
|
|
fail('ISOLATION_FAILED', 'Preparation command attempted to restore a runtime injection variable');
|
|
const clean = { PATH: '/usr/local/bin:/usr/bin:/bin', HOME: '/work/.cso-home', ...(options.env ?? {}) };
|
|
const argv = [
|
|
'/usr/bin/env',
|
|
'-i',
|
|
...Object.entries(clean)
|
|
.sort(([a], [b]) => a.localeCompare(b))
|
|
.map(([key, value]) => `${key}=${value}`),
|
|
...command,
|
|
];
|
|
return group.execCapture(id, argv, { workdir: options.workdir });
|
|
}
|
|
|
|
async acquire(request: PreparationAcquireRequest): Promise<AcquisitionReceipt> {
|
|
this.assertRuntime(request);
|
|
const dir = this.callDirectory('acquire'),
|
|
callIdentity = fs.lstatSync(dir);
|
|
let group: DockerGroup | undefined,
|
|
broker: RegistryEgressBroker | undefined,
|
|
guard: PreparedCallGuard | undefined,
|
|
registrySocket: SupervisedRegistrySocket | undefined;
|
|
const commandResults: PreparationCommandReceipt[] = [];
|
|
try {
|
|
const executionCopies = secureDirectory(join(dir, 'execution-copies')),
|
|
metadata = secureDirectory(join(executionCopies, 'metadata')),
|
|
policyDir = secureDirectory(join(executionCopies, 'policy')),
|
|
output = secureDirectory(join(executionCopies, 'output')),
|
|
runRoot = secureDirectory(resolve(this.options.runRoot ?? this.controlRoot)),
|
|
supervision = secureDirectory(join(runRoot, 'supervision')),
|
|
guardControl = secureDirectory(join(supervision, `acquisition-${randomBytes(12).toString('hex')}`));
|
|
guard = await supervisePreparedCall({
|
|
watchdogPath: this.options.watchdogPath,
|
|
ownerPid: process.pid,
|
|
deadline: request.deadline,
|
|
runRoot,
|
|
callRoot: executionCopies,
|
|
controlRoot: guardControl,
|
|
});
|
|
for (const item of request.metadata) {
|
|
if (sha256(item.content) !== item.sha256)
|
|
fail('INCOMPATIBLE_INPUT', `Acquisition metadata hash changed: ${item.path}`);
|
|
const file = contained(metadata, item.path);
|
|
secureDirectory(resolve(file, '..'));
|
|
fs.writeFileSync(file, item.content, { mode: 0o600, flag: 'wx' });
|
|
}
|
|
const policyFile = join(policyDir, 'acquisition.json');
|
|
writePolicy(policyFile, {
|
|
schemaVersion: 1,
|
|
planHash: request.planHash,
|
|
stack: request.stack,
|
|
inputs: request.inputs,
|
|
commands: request.commands,
|
|
allowedHosts: request.network.allowedHosts,
|
|
archiveRoot: '/archives',
|
|
limits: request.limits,
|
|
});
|
|
group = await DockerGroup.create(
|
|
this.options.endpoint,
|
|
`prep-a-${randomBytes(10).toString('hex')}`,
|
|
dir,
|
|
request.deadline,
|
|
this.runtime.image,
|
|
this.options.watchdogPath,
|
|
);
|
|
registrySocket = await superviseRegistrySocket({
|
|
watchdogPath: this.options.watchdogPath,
|
|
ownerPid: process.pid,
|
|
deadline: request.deadline,
|
|
});
|
|
broker = new RegistryEgressBroker(
|
|
registrySocket.socketPath,
|
|
request.network.allowedHosts,
|
|
request.deadline,
|
|
request.limits.maxTotalArchiveBytes + Math.min(64 * 1024 * 1024, request.limits.maxTotalArchiveBytes),
|
|
);
|
|
await broker.start();
|
|
const container = await group.createContainer({
|
|
role: 'app',
|
|
image: this.runtime.image,
|
|
command: ['/opt/cso/preparation', 'forwarder', '/run/cso-registry.sock', '127.0.0.1:18443'],
|
|
readonlyFiles: [{ host: policyFile, container: '/policy/acquisition.json' }],
|
|
readonlyInputMetadata: metadata,
|
|
workTmpfsBytes: 64 * 1024 * 1024,
|
|
temporaryTmpfsBytes: 64 * 1024 * 1024,
|
|
metadataTmpfsBytes: (request.stack === 'node' || request.stack === 'bun' ? 1024 : 64) * 1024 * 1024,
|
|
archiveTmpfsBytes: request.limits.maxTotalArchiveBytes,
|
|
registrySocket: broker.socketPath,
|
|
});
|
|
await group.start(container);
|
|
let ready = false;
|
|
for (let attempt = 0; attempt < 20 && !ready; attempt++) {
|
|
const health = await this.execClean(group, container, [
|
|
'/opt/cso/preparation',
|
|
'health',
|
|
'127.0.0.1',
|
|
'18443',
|
|
]);
|
|
ready = health.code === 0;
|
|
if (!ready) await new Promise((resolveWait) => setTimeout(resolveWait, 25));
|
|
}
|
|
if (!ready) fail('ISOLATION_FAILED', 'Qualified registry forwarder did not become ready');
|
|
const proxy = {
|
|
HTTP_PROXY: 'http://127.0.0.1:18443',
|
|
HTTPS_PROXY: 'http://127.0.0.1:18443',
|
|
ALL_PROXY: 'http://127.0.0.1:18443',
|
|
NO_PROXY: '',
|
|
};
|
|
for (let index = 0; index < request.commands.length; index++) {
|
|
const command = request.commands[index],
|
|
result = await this.execClean(group, container, [command.executable, ...command.args], {
|
|
workdir: command.cwd,
|
|
env: { ...command.env, ...proxy },
|
|
});
|
|
broker.assertClean();
|
|
commandResults.push(commandReceipt(command, index, result.code));
|
|
if (result.code !== 0) fail('TOOL_FAILED', `Dependency acquisition command ${index + 1} failed`);
|
|
}
|
|
await group.assertOnlyInitProcess(container);
|
|
const containerExport = `/archives/.gstack-cso-acquisition-export-${randomBytes(12).toString('hex')}`;
|
|
const manifest = await this.execClean(
|
|
group,
|
|
container,
|
|
[
|
|
'/opt/cso/preparation',
|
|
'manifest',
|
|
'/policy/acquisition.json',
|
|
'/archives',
|
|
`${containerExport}/artifacts.json`,
|
|
],
|
|
{ workdir: '/archives', env: proxy },
|
|
);
|
|
if (manifest.code !== 0) fail('TOOL_FAILED', 'Qualified archive manifest helper failed');
|
|
broker.assertClean();
|
|
await group.assertOnlyInitProcess(container);
|
|
await group.pause(container);
|
|
await group.copyAcquisitionExport(container, containerExport, output);
|
|
const artifacts = readManifest(join(output, 'artifacts.json')).artifacts;
|
|
validateAcquisitionOutput(output, artifacts);
|
|
this.publishArtifacts(artifacts, output, request.stagingRoot, request.limits.maxArchiveBytes);
|
|
return {
|
|
schemaVersion: 1,
|
|
planHash: request.planHash,
|
|
runtimeId: request.runtime.id,
|
|
runtimeImage: request.runtime.image,
|
|
platform: request.runtime.platform,
|
|
deadlineEnforced: true,
|
|
network: {
|
|
mode: 'registry-restricted',
|
|
allowedHosts: [...request.network.allowedHosts],
|
|
contactedHosts: [...broker.contactedHosts].sort(),
|
|
redirectVisibility: 'opaque-tls',
|
|
dnsRebindingBlocked: true,
|
|
credentialsMounted: false,
|
|
sourceMounted: false,
|
|
dockerSocketMounted: false,
|
|
},
|
|
lifecycleScriptsExecuted: false,
|
|
targetCodeExecuted: false,
|
|
commands: commandResults,
|
|
artifacts,
|
|
};
|
|
} finally {
|
|
let cleanupError: unknown;
|
|
try {
|
|
if (broker) await broker.close();
|
|
} catch (error) {
|
|
cleanupError = error;
|
|
}
|
|
try {
|
|
if (group) await group.cleanup();
|
|
} catch (error) {
|
|
cleanupError ??= error;
|
|
}
|
|
try {
|
|
if (registrySocket) await registrySocket.dispose();
|
|
} catch (error) {
|
|
cleanupError ??= error;
|
|
}
|
|
try {
|
|
if (guard) await guard.dispose();
|
|
} catch (error) {
|
|
cleanupError ??= error;
|
|
}
|
|
if (cleanupError) throw cleanupError;
|
|
this.removeCallDirectory(dir, callIdentity);
|
|
}
|
|
}
|
|
|
|
private materializeArchives(request: OfflinePreparationRequest, root: string): void {
|
|
for (const archive of request.archives) {
|
|
if (!archive.containerPath.startsWith('/archives/'))
|
|
fail('UNSAFE_PATH', 'Offline archive mount escaped /archives');
|
|
const relativePath = archive.containerPath.slice('/archives/'.length),
|
|
target = contained(root, relativePath),
|
|
source = resolve(archive.hostPath);
|
|
const stat = fs.lstatSync(source);
|
|
if (
|
|
!stat.isFile() ||
|
|
stat.isSymbolicLink() ||
|
|
stat.nlink !== 1 ||
|
|
stat.size !== archive.bytes ||
|
|
(stat.mode & 0o222) !== 0 ||
|
|
(process.getuid && stat.uid !== process.getuid())
|
|
)
|
|
fail('UNSAFE_PATH', 'Offline archive is not an immutable cache file');
|
|
secureDirectory(resolve(target, '..'));
|
|
fs.copyFileSync(source, target, fs.constants.COPYFILE_EXCL);
|
|
fs.chmodSync(target, 0o400);
|
|
const hash = fileSha256(target, archive.bytes);
|
|
if (hash !== archive.sha256)
|
|
fail('INCOMPATIBLE_INPUT', 'Offline archive changed while its execution view was materialized');
|
|
}
|
|
}
|
|
|
|
async prepareOffline(request: OfflinePreparationRequest): Promise<OfflinePreparationResult> {
|
|
this.assertRuntime(request);
|
|
const dir = this.callDirectory('offline'),
|
|
callIdentity = fs.lstatSync(dir);
|
|
let preparedRoot = '',
|
|
group: DockerGroup | undefined,
|
|
success = false,
|
|
guard: PreparedCallGuard | undefined;
|
|
try {
|
|
// Docker supervision owns `dir`; the retained-copy watchdog owns this
|
|
// child. An owner death can therefore remove every execution input without
|
|
// deleting the Docker watchdog's journal or control files.
|
|
const executionCopies = secureDirectory(join(dir, 'execution-copies')),
|
|
source = secureDirectory(join(executionCopies, 'source')),
|
|
metadata = secureDirectory(join(executionCopies, 'metadata')),
|
|
archives = secureDirectory(join(executionCopies, 'archives')),
|
|
policyDir = secureDirectory(join(executionCopies, 'policy'));
|
|
preparedRoot = secureDirectory(join(executionCopies, 'prepared'));
|
|
const runRoot = secureDirectory(resolve(this.options.runRoot ?? this.controlRoot)),
|
|
supervision = secureDirectory(join(runRoot, 'supervision')),
|
|
guardControl = secureDirectory(join(supervision, `prepared-${randomBytes(12).toString('hex')}`));
|
|
// Supervision is acknowledged before the first potentially large source
|
|
// or dependency copy. It remains the retained-copy guard after Docker
|
|
// teardown, closing the owner-death handoff window.
|
|
guard = await supervisePreparedCall({
|
|
watchdogPath: this.options.watchdogPath,
|
|
ownerPid: process.pid,
|
|
deadline: request.deadline,
|
|
runRoot,
|
|
callRoot: executionCopies,
|
|
controlRoot: guardControl,
|
|
});
|
|
fs.cpSync(request.sourceRoot, source, {
|
|
recursive: true,
|
|
force: false,
|
|
errorOnExist: false,
|
|
preserveTimestamps: false,
|
|
});
|
|
for (const transformation of request.transformations) {
|
|
if (sha256(transformation.content) !== transformation.sha256)
|
|
fail('INCOMPATIBLE_INPUT', 'Offline transformation content hash changed');
|
|
const file = contained(source, transformation.path);
|
|
secureDirectory(resolve(file, '..'));
|
|
fs.writeFileSync(file, transformation.content, { mode: 0o600 });
|
|
}
|
|
for (const item of request.metadata) {
|
|
if (sha256(item.content) !== item.sha256)
|
|
fail('INCOMPATIBLE_INPUT', `Offline metadata hash changed: ${item.path}`);
|
|
const file = contained(metadata, item.path);
|
|
secureDirectory(resolve(file, '..'));
|
|
fs.writeFileSync(file, item.content, { mode: 0o600, flag: 'wx' });
|
|
}
|
|
this.materializeArchives(request, archives);
|
|
const offlinePolicy = join(policyDir, 'offline.json');
|
|
writePolicy(offlinePolicy, {
|
|
schemaVersion: 1,
|
|
planHash: request.planHash,
|
|
stack: request.stack,
|
|
inputs: request.archives.map((archive) => ({
|
|
index: archive.inputIndex,
|
|
input: {
|
|
kind: 'public',
|
|
name: archive.name,
|
|
version: archive.version,
|
|
url: archive.requestedUrl,
|
|
integrity: archive.declaredIntegrity,
|
|
integritySource:
|
|
archive.declaredIntegrity === 'registry-on-acquisition' ? 'registry-on-acquisition' : 'lock',
|
|
},
|
|
})),
|
|
archives: request.archives.map((archive) => ({
|
|
inputIndex: archive.inputIndex,
|
|
name: archive.name,
|
|
version: archive.version,
|
|
declaredIntegrity: archive.declaredIntegrity,
|
|
requestedUrl: archive.requestedUrl,
|
|
resolvedUrl: archive.resolvedUrl,
|
|
containerPath: archive.containerPath,
|
|
sha256: archive.sha256,
|
|
bytes: archive.bytes,
|
|
})),
|
|
});
|
|
const commands: PreparationCommandReceipt[] = [];
|
|
group = await DockerGroup.create(
|
|
this.options.endpoint,
|
|
`prep-o-${randomBytes(10).toString('hex')}`,
|
|
dir,
|
|
request.deadline,
|
|
this.runtime.image,
|
|
this.options.watchdogPath,
|
|
);
|
|
const app = await group.createContainer({
|
|
role: 'app',
|
|
image: this.runtime.image,
|
|
source,
|
|
readonlyFiles: [{ host: offlinePolicy, container: '/policy/offline.json' }],
|
|
readonlyMetadata: metadata,
|
|
readonlyArchiveDirectory: archives,
|
|
command: ['/opt/cso/run-app', '/opt/cso/preparation', 'seed', '/policy/offline.json'],
|
|
});
|
|
await group.start(app);
|
|
let ready = false;
|
|
for (let attempt = 0; attempt < 100 && !ready; attempt++) {
|
|
const result = await this.execClean(group, app, ['/opt/cso/preparation', 'ready']);
|
|
ready = result.code === 0;
|
|
if (!ready) await new Promise((resolveWait) => setTimeout(resolveWait, 25));
|
|
}
|
|
if (!ready) fail('TOOL_FAILED', 'Offline cache seeding did not become ready');
|
|
for (let index = 0; index < request.commands.length; index++) {
|
|
const command = request.commands[index],
|
|
result = await this.execClean(group, app, [command.executable, ...command.args], {
|
|
workdir: command.cwd,
|
|
env: command.env,
|
|
});
|
|
commands.push(commandReceipt(command, index, result.code));
|
|
if (result.code !== 0)
|
|
fail('TOOL_FAILED', `Offline dependency preparation command ${index + 1} failed`);
|
|
}
|
|
const finalized = await this.execClean(group, app, ['/opt/cso/preparation', 'finalize']);
|
|
if (finalized.code !== 0) fail('TOOL_FAILED', 'Offline preparation scratch cleanup failed');
|
|
await group.assertOnlyInitProcess(app);
|
|
const containerExport = `/work/.gstack-cso-export-${randomBytes(12).toString('hex')}`;
|
|
const exported = await this.execClean(group, app, [
|
|
'/opt/cso/preparation',
|
|
'export-prepared',
|
|
'/work',
|
|
containerExport,
|
|
String(request.limits.writableBytes),
|
|
]);
|
|
if (exported.code !== 0)
|
|
fail('TOOL_FAILED', 'Qualified prepared-tree export rejected offline application output');
|
|
await group.assertOnlyInitProcess(app);
|
|
await group.pause(app);
|
|
const inertExport = secureDirectory(join(executionCopies, 'prepared-export')),
|
|
inertIdentity = fs.lstatSync(inertExport);
|
|
await group.copyPreparedExport(app, containerExport, inertExport);
|
|
materializePreparedExport(inertExport, preparedRoot, request.limits.writableBytes);
|
|
this.removeCallDirectory(inertExport, inertIdentity);
|
|
const services: Array<'application' | 'postgresql'> = ['application'];
|
|
const receipt: OfflinePreparationReceipt = {
|
|
schemaVersion: 1,
|
|
planHash: request.planHash,
|
|
runtimeId: request.runtime.id,
|
|
runtimeImage: request.runtime.image,
|
|
platform: request.runtime.platform,
|
|
sourceHash: request.sourceHash,
|
|
dependencyClosureHash: request.dependencyClosureHash,
|
|
configurationHash: request.configurationHash,
|
|
databaseHash: request.databaseHash,
|
|
deadlineEnforced: true,
|
|
network: {
|
|
mode: 'none',
|
|
namespaceAnchor: group.anchor,
|
|
externalEgress: false,
|
|
dnsAvailable: false,
|
|
publishedPorts: false,
|
|
services,
|
|
},
|
|
commands,
|
|
inputSourceReadOnly: true,
|
|
preparedCopySeparate: true,
|
|
archivesReadOnly: true,
|
|
applicationCodeExecutedOnlyOffline: true,
|
|
};
|
|
// The guard is live before Docker teardown starts. Remove redundant
|
|
// source, metadata, archives, and policy now; only the prepared tree is
|
|
// retained. Docker's independent watchdog keeps its parent control root.
|
|
for (const current of [source, metadata, archives, policyDir])
|
|
this.removeCallDirectory(current, fs.lstatSync(current));
|
|
const completedGroup = group;
|
|
await completedGroup.cleanup();
|
|
group = undefined;
|
|
this.preparedRoots.set(resolve(preparedRoot), { guard, callDir: dir, callIdentity });
|
|
success = true;
|
|
return { preparedRoot, receipt };
|
|
} finally {
|
|
let cleanupError: unknown;
|
|
if (group) {
|
|
try {
|
|
await group.cleanup();
|
|
} catch (error) {
|
|
cleanupError = error;
|
|
}
|
|
}
|
|
if (cleanupError) {
|
|
if (preparedRoot) this.preparedRoots.delete(resolve(preparedRoot));
|
|
if (guard)
|
|
try {
|
|
await guard.dispose();
|
|
} catch {}
|
|
throw cleanupError;
|
|
}
|
|
if (!success) {
|
|
if (preparedRoot) this.preparedRoots.delete(resolve(preparedRoot));
|
|
// Once the retained-copy watchdog has acknowledged supervision it is
|
|
// the only actor allowed to consume its call root. Stop and
|
|
// acknowledge it before removing the Docker call directory.
|
|
if (guard) await guard.dispose();
|
|
this.removeCallDirectory(dir, callIdentity);
|
|
}
|
|
}
|
|
}
|
|
|
|
async disposePrepared(preparedRoot: string): Promise<void> {
|
|
const root = resolve(preparedRoot),
|
|
owned = this.preparedRoots.get(root),
|
|
guard = owned?.guard,
|
|
call = guard?.callRoot;
|
|
if (
|
|
!guard ||
|
|
!call ||
|
|
!owned ||
|
|
root !== join(call, 'prepared') ||
|
|
!owned.callDir.startsWith(`${this.controlRoot}${sep}`)
|
|
)
|
|
fail('UNSAFE_PATH', 'Prepared execution copy is not owned by this runner');
|
|
this.preparedRoots.delete(root);
|
|
await guard.dispose();
|
|
this.removeCallDirectory(owned.callDir, owned.callIdentity);
|
|
}
|
|
}
|