599 lines
22 KiB
TypeScript
599 lines
22 KiB
TypeScript
import { spawn } from "node:child_process";
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import { randomBytes } from "node:crypto";
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import { constants } from "node:fs";
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import { access, appendFile, lstat } from "node:fs/promises";
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import path from "node:path";
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import {
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provenanceProviderAttestationSchema,
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vulnerabilityProviderReportSchema,
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} from "./lib/provider-evidence.ts";
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import { readBoundedRegularFile } from "./lib/ci-artifact-validator.ts";
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import { readProviderTrust } from "./lib/provider-trust.ts";
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import { superviseProviderEvidence } from "./lib/provider-supervisor.ts";
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import { serializeValidatedJsonArtifact } from "./lib/validated-json-artifact.ts";
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import {
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assertSafePublishLeaf,
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ensureSafePublishDirectory,
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} from "./lib/ci-gate-log.ts";
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import {
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encodeProviderBwrapInput,
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encodeProviderScopeFrame,
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formatProviderCgroupUnitName,
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systemctlKillProviderArguments,
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systemdRunProviderArguments,
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} from "./lib/provider-cgroup.ts";
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import {
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assertProviderGuardianLeasePaths,
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createProviderScopeGuardianLatch,
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startProviderGuardian,
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type ProviderGuardianLease,
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} from "./lib/provider-guardian-client.ts";
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import { createProviderOutputLimiter } from "./lib/provider-output-limiter.ts";
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const kind = process.argv[process.argv.indexOf("--kind") + 1];
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const PROVIDER_TMP_BYTES = 16_777_216;
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const PROVIDER_MASK_BYTES = 1_048_576;
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const PROVIDER_MAX_OUTPUT_BYTES = 1_048_576;
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const DEFAULT_PROVIDER_CPU_SECONDS = 1_200;
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const DEFAULT_PROVIDER_TIMEOUT_MS = 30 * 60 * 1_000;
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const PROVIDER_POSTPROCESS_TIMEOUT_MS = 10 * 60 * 1_000;
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const PROVIDER_REAP_TIMEOUT_MS = 5_000;
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const PROVIDER_CONTROL_TIMEOUT_MS = 5_000;
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const PROVIDER_CONTROL_MAX_OUTPUT_BYTES = 65_536;
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const PROVIDER_CONTROL_POLL_MS = 25;
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const MINIMUM_PROVIDER_SYSTEMD_VERSION = 254;
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if (kind !== "vulnerability" && kind !== "provenance") {
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process.stderr.write("Usage: run-and-validate-provider --kind vulnerability|provenance\n");
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process.exit(2);
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}
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const command =
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kind === "vulnerability"
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? process.env.VULNERABILITY_PROVIDER_COMMAND
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: process.env.PROVENANCE_PROVIDER_COMMAND;
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const reportPath =
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kind === "vulnerability"
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? process.env.VULNERABILITY_REPORT_PATH
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: process.env.PROVENANCE_ATTESTATION_PATH;
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const sealedPath = process.env.VALIDATED_PROVIDER_REPORT_PATH;
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const archivePath = process.env.CANDIDATE_ARCHIVE_PATH;
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const archiveSha256 = process.env.CANDIDATE_ARCHIVE_SHA256;
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const publicKeyPath = kind === "vulnerability"
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? process.env.VULNERABILITY_PUBLIC_KEY_PATH
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: process.env.PROVENANCE_PUBLIC_KEY_PATH;
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const keyId = kind === "vulnerability"
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? process.env.VULNERABILITY_KEY_ID
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: process.env.PROVENANCE_KEY_ID;
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const runId = process.env.GITEA_RUN_ID ?? process.env.GITHUB_RUN_ID ?? process.env.CI_RUN_ID;
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const runAttemptSource = process.env.GITEA_RUN_ATTEMPT ??
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process.env.GITHUB_RUN_ATTEMPT ?? process.env.CI_RUN_ATTEMPT;
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const sourceRevision = process.env.EXPECTED_SOURCE_REVISION ?? process.env.VITE_COMMIT_SHA;
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if (
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!command ||
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!reportPath ||
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!sealedPath ||
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!archivePath ||
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!archiveSha256 ||
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!publicKeyPath ||
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!keyId ||
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!runId ||
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!runAttemptSource ||
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!sourceRevision
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) {
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process.stderr.write("Provider supervisor environment is incomplete\n");
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process.exit(2);
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}
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const runAttempt = Number(runAttemptSource);
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if (!Number.isInteger(runAttempt) || runAttempt < 1 || runAttempt > 1_000) {
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throw new TypeError("provider supervisor run attempt is invalid");
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}
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const workspaceRoot = process.cwd();
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const reportAbsolute = path.resolve(reportPath);
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const rawDirectory = path.dirname(reportAbsolute);
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const sealedAbsolute = path.resolve(sealedPath);
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const expectedRawLeaf = kind === "vulnerability"
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? "vulnerability-report.json"
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: "provenance-attestation.json";
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const expectedRawDirectory = path.resolve(workspaceRoot, "provider-evidence/untrusted");
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if (
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reportAbsolute !== path.join(expectedRawDirectory, expectedRawLeaf) ||
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path.basename(rawDirectory) !== "untrusted" ||
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path.dirname(rawDirectory) !== path.dirname(sealedAbsolute) ||
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reportAbsolute === sealedAbsolute
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) {
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throw new TypeError("provider raw and sealed evidence paths are not isolated");
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}
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await prepareMissingProviderOutput(workspaceRoot, reportAbsolute, reportPath, "raw provider report");
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await prepareMissingProviderOutput(workspaceRoot, sealedAbsolute, sealedPath, "sealed provider report");
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await access("/usr/bin/bwrap", constants.X_OK).catch(() => {
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throw new Error("provider sandbox unavailable: /usr/bin/bwrap is required");
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});
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await access("/usr/bin/prlimit", constants.X_OK).catch(() => {
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throw new Error("provider sandbox unavailable: /usr/bin/prlimit is required");
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});
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await access("/usr/bin/systemd-run", constants.X_OK).catch(() => {
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throw new Error("provider cgroup unavailable: /usr/bin/systemd-run is required");
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});
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await access("/usr/bin/systemctl", constants.X_OK).catch(() => {
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throw new Error("provider cgroup unavailable: /usr/bin/systemctl is required");
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});
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await assertProviderCgroupManagerAvailable();
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const trust = await readProviderTrust(workspaceRoot, publicKeyPath, keyId);
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if (!trust) throw new TypeError("provider supervisor trust key is invalid");
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let guardianLease: ProviderGuardianLease | undefined;
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let guardianTerminalStarted = false;
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try {
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const providerWallTimeoutMs = providerTimeoutMs();
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const supervised = await superviseProviderEvidence({
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kind,
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archivePath,
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expectedArchiveSha256: archiveSha256,
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expectedRun: { id: runId, attempt: runAttempt, sourceRevision },
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trust,
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executeProvider: async ({ candidateRoot, environment }) => {
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guardianLease = await startProviderGuardian({
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kind,
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workspaceRoot,
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leaseMs: providerWallTimeoutMs + PROVIDER_POSTPROCESS_TIMEOUT_MS,
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guardianScript: path.join(workspaceRoot, "scripts/lib/provider-raw-guardian.ts"),
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});
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const activeGuardian = guardianLease;
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assertProviderGuardianLeasePaths(activeGuardian, {
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rawPath: reportAbsolute,
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sealedPath: sealedAbsolute,
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});
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const childEnvironment = createProviderEnvironment(kind, reportPath, environment);
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await runProviderInSandbox(
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kind,
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command,
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childEnvironment,
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activeGuardian.rawPath,
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activeGuardian.rawIdentity,
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workspaceRoot,
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candidateRoot,
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providerWallTimeoutMs,
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activeGuardian.prematureExit,
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);
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await assertOwnedProviderOutput(activeGuardian.rawPath, activeGuardian.rawIdentity);
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},
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captureReport: async () => {
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if (!guardianLease) throw new Error("provider raw guardian lease was not established");
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await assertOwnedProviderOutput(guardianLease.rawPath, guardianLease.rawIdentity);
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return readBoundedRegularFile({
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root: workspaceRoot,
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relativePath: path.relative(workspaceRoot, guardianLease.rawPath).replaceAll(path.sep, "/"),
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maxBytes: 8_388_608,
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});
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},
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});
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if (!guardianLease) throw new Error("provider raw guardian lease was not established");
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await assertSafePublishLeaf(sealedAbsolute, sealedPath);
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await guardianLease.publish(serializeValidatedJsonArtifact({
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path: sealedPath,
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schema:
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kind === "vulnerability"
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? vulnerabilityProviderReportSchema
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: provenanceProviderAttestationSchema,
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value: supervised.evidence,
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}));
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if (process.env.GITHUB_OUTPUT) {
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await appendFile(
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process.env.GITHUB_OUTPUT,
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`invocation_nonce=${supervised.invocationNonce}\n`,
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"utf8",
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);
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}
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guardianTerminalStarted = true;
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await guardianLease.commit();
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} catch (providerError) {
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const failures = [toError(providerError)];
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if (guardianLease && !guardianTerminalStarted) {
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try {
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await guardianLease.abort();
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} catch (guardianError) {
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failures.push(toError(guardianError));
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}
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}
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if (failures.length > 1) {
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throw new AggregateError(failures, "provider lifecycle and owned output cleanup failed", {
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cause: providerError,
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});
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}
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throw providerError;
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}
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process.stdout.write(`${kind} provider supervised validation: PASS\n`);
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function createProviderEnvironment(
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providerKind: "vulnerability" | "provenance",
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rawReportPath: string,
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bindings: Readonly<Record<string, string>>,
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): NodeJS.ProcessEnv {
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const environment: NodeJS.ProcessEnv = {
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PATH: process.env.PATH ?? "/usr/local/bin:/usr/bin:/bin",
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HOME: "/tmp/provider-home",
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TMPDIR: "/tmp",
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CI: "true",
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GITHUB_ENV: "/tmp/github-env",
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GITHUB_PATH: "/tmp/github-path",
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...bindings,
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...(providerKind === "vulnerability"
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? { VULNERABILITY_REPORT_PATH: rawReportPath }
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: { PROVENANCE_ATTESTATION_PATH: rawReportPath }),
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};
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for (const name of ["LANG", "LC_ALL"] as const) {
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if (process.env[name]) environment[name] = process.env[name];
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}
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const credentialPrefix = `${providerKind.toUpperCase()}_PROVIDER_`;
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for (const [name, value] of Object.entries(process.env)) {
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if (name.startsWith(credentialPrefix) && !name.endsWith("_COMMAND") && value) {
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environment[name] = value;
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}
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}
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return environment;
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}
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async function runProviderInSandbox(
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providerKind: "vulnerability" | "provenance",
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command: string,
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environment: NodeJS.ProcessEnv,
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reportAbsolute: string,
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reportIdentity: Readonly<{ dev: number; ino: number }>,
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workspaceRoot: string,
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candidateRoot: string,
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timeoutMs: number,
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guardianExit: Promise<Error>,
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): Promise<void> {
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const cpuSeconds = providerCpuSeconds();
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const bwrapArguments = [
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"--die-with-parent", "--new-session", "--as-pid-1",
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"--unshare-pid", "--unshare-ipc", "--unshare-uts", "--unshare-net",
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"--dev", "/dev", "--remount-ro", "/dev",
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"--proc", "/proc", "--remount-ro", "/proc",
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"--size", String(PROVIDER_TMP_BYTES), "--tmpfs", "/tmp",
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"--dir", "/tmp/provider-home",
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"--size", String(PROVIDER_MASK_BYTES), "--tmpfs", "/etc",
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];
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for (const source of ["/usr", "/bin", "/lib", "/lib64"]) {
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if (await exists(source)) bwrapArguments.push("--ro-bind", source, source);
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}
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bwrapArguments.push("--ro-bind", process.execPath, "/tmp/node");
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for (const source of [
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"/etc/ca-certificates", "/etc/ssl", "/etc/nsswitch.conf", "/etc/passwd", "/etc/group",
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]) {
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if (await exists(source)) bwrapArguments.push("--ro-bind", source, source);
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}
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bwrapArguments.push("--remount-ro", "/etc");
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for (const directory of missingDestinationAncestors(workspaceRoot)) {
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bwrapArguments.push("--dir", directory);
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}
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bwrapArguments.push("--ro-bind", workspaceRoot, workspaceRoot);
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if (await exists(path.join(workspaceRoot, ".git"))) {
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bwrapArguments.push(
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"--size", String(PROVIDER_MASK_BYTES),
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"--tmpfs", path.join(workspaceRoot, ".git"),
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"--remount-ro", path.join(workspaceRoot, ".git"),
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);
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}
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bwrapArguments.push(
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"--ro-bind", candidateRoot, "/candidate",
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"--remount-ro", "/tmp",
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"--remount-ro", "/",
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"--bind", reportAbsolute, reportAbsolute,
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"--chdir", workspaceRoot,
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"--", "/usr/bin/prlimit",
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"--core=0:0",
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"--fsize=8388607:8388607",
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"--nofile=64:64",
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`--cpu=${cpuSeconds}:${cpuSeconds}`,
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"--", "/bin/sh", "-eu", "-c",
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'exec /bin/sh -eu -c "$PROVIDER_COMMAND"',
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);
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const unitName = formatProviderCgroupUnitName(
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providerKind,
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process.pid,
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randomBytes(12).toString("hex"),
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);
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const bwrapInput = encodeProviderBwrapInput(bwrapArguments, {
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...environment,
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PATH: `/tmp:${environment.PATH ?? ""}`,
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PROVIDER_COMMAND: command,
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});
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const scopeFrame = encodeProviderScopeFrame({
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bwrapInput,
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reportPath: reportAbsolute,
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reportDev: reportIdentity.dev,
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reportIno: reportIdentity.ino,
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});
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await waitForProvider(
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spawn("/usr/bin/systemd-run", systemdRunProviderArguments(
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unitName,
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timeoutMs,
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cpuSeconds,
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process.execPath,
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path.join(workspaceRoot, "scripts/lib/provider-scope-wrapper.ts"),
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reportAbsolute,
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reportIdentity.dev,
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reportIdentity.ino,
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), {
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env: providerCgroupClientEnvironment(),
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stdio: ["pipe", "pipe", "pipe"],
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}),
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timeoutMs,
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unitName,
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scopeFrame,
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guardianExit,
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);
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}
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async function waitForProvider(
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child: ReturnType<typeof spawn>,
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timeoutMs: number,
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unitName: string,
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scopeFrame: Buffer,
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guardianExit: Promise<Error>,
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): Promise<void> {
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let termination: "guardian" | "timeout" | "output" | undefined;
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let guardianError: Error | undefined;
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let signalTermination!: () => void;
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let kill: Promise<void> | undefined;
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const terminationStarted = new Promise<void>((resolve) => { signalTermination = resolve; });
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const close = new Promise<Readonly<{ code: number | null; error?: Error; signal: NodeJS.Signals | null }>>((resolve) => {
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child.once("error", (error) => resolve({ code: null, error, signal: null }));
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child.once("close", (code, signal) => resolve({ code, signal }));
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});
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let inputError: Error | undefined;
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child.stdin?.once("error", (error) => { inputError = error; });
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if (child.stdin) child.stdin.write(scopeFrame);
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else inputError = new Error("systemd-run provider argument pipe is unavailable");
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const terminate = (reason: "guardian" | "timeout" | "output"): void => {
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if (termination) return;
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termination = reason;
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kill = killProviderUnit(unitName);
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signalTermination();
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};
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const guardianLatch = createProviderScopeGuardianLatch(guardianExit);
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void guardianLatch.activeFailure.then((error) => {
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guardianError = error;
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terminate("guardian");
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});
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const outputLimiter = createProviderOutputLimiter(
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PROVIDER_MAX_OUTPUT_BYTES,
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() => terminate("output"),
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);
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const capture = (chunk: Buffer | string): void => {
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if (termination) return;
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outputLimiter.consume(chunk);
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};
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child.stdout?.on("data", capture);
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child.stderr?.on("data", capture);
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const timeout = setTimeout(() => terminate("timeout"), timeoutMs);
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try {
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const first = await Promise.race([
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close.then((result) => ({ type: "close" as const, result })),
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terminationStarted.then(() => ({ type: "termination" as const })),
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]);
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let collection: Promise<void> | undefined;
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if (first.type === "close" && !termination) {
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collection = waitForProviderUnitCollected(unitName);
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const scopeOutcome = await Promise.race([
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collection.then(() => "collected" as const),
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terminationStarted.then(() => "termination" as const),
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]);
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if (scopeOutcome === "collected") {
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await guardianLatch.close();
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const boundaryFailure = guardianLatch.failure();
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if (boundaryFailure && !termination) {
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guardianError = boundaryFailure;
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terminate("guardian");
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}
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}
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}
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if (termination) {
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let killError: Error | undefined;
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try { await kill; } catch (error) { killError = toError(error); child.kill("SIGKILL"); }
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const closed = await waitForProviderClose(close);
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if (!closed) child.kill("SIGKILL");
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let collectionError: Error | undefined;
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try {
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await (collection ?? waitForProviderUnitCollected(unitName));
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} catch (error) {
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collectionError = toError(error);
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}
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await guardianLatch.close();
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const reason = termination === "timeout"
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? "sandboxed external provider command timed out"
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: termination === "output"
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? `sandboxed external provider output exceeded the ${PROVIDER_MAX_OUTPUT_BYTES}-byte aggregate limit`
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: `provider raw guardian failed${guardianError ? `: ${guardianError.message}` : ""}`;
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if (!closed) throw new Error(`${reason} and systemd-run did not close within the reap bound`);
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if (collectionError) throw new Error(`${reason}; provider cgroup collection failed: ${collectionError.message}`);
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if (killError) throw new Error(`${reason}; provider cgroup kill failed: ${killError.message}`);
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throw new Error(reason);
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}
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const result = first.type === "close" ? first.result : await close;
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await collection;
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if (result.error) throw result.error;
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if (result.code !== 0 || result.signal !== null) {
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throw new Error(`sandboxed external provider failed: exit=${result.code ?? "none"}, signal=${result.signal ?? "none"}`);
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}
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if (inputError) throw inputError;
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} finally {
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clearTimeout(timeout);
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await guardianLatch.close();
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}
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}
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async function waitForProviderClose(
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close: Promise<Readonly<{ code: number | null; error?: Error; signal: NodeJS.Signals | null }>>,
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): Promise<boolean> {
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let timer: NodeJS.Timeout | undefined;
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const closed = await Promise.race([
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close.then(() => true),
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new Promise<false>((resolve) => { timer = setTimeout(() => resolve(false), PROVIDER_REAP_TIMEOUT_MS); }),
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]);
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if (timer) clearTimeout(timer);
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return closed;
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}
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async function assertProviderCgroupManagerAvailable(): Promise<void> {
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const output = await runBoundedSystemctl(
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["--user", "show", "--property=Version", "--value"],
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"provider cgroup user manager probe",
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);
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const match = /^([0-9]+)/u.exec(output.trim());
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const version = match ? Number(match[1]) : Number.NaN;
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if (!Number.isSafeInteger(version) || version < MINIMUM_PROVIDER_SYSTEMD_VERSION) {
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throw new Error(`provider cgroup unavailable: systemd ${MINIMUM_PROVIDER_SYSTEMD_VERSION} or newer is required`);
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}
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}
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async function killProviderUnit(unitName: string): Promise<void> {
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await runBoundedSystemctl(systemctlKillProviderArguments(unitName), "provider cgroup unit kill");
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}
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|
|
async function waitForProviderUnitCollected(unitName: string): Promise<void> {
|
|
const deadline = Date.now() + PROVIDER_CONTROL_TIMEOUT_MS;
|
|
let loadState = "unknown";
|
|
while (Date.now() <= deadline) {
|
|
loadState = (await runBoundedSystemctl(
|
|
["--user", "show", unitName, "--property=LoadState", "--value"],
|
|
"provider cgroup collection probe",
|
|
)).trim();
|
|
if (loadState === "not-found") return;
|
|
await new Promise<void>((resolve) => setTimeout(resolve, PROVIDER_CONTROL_POLL_MS));
|
|
}
|
|
throw new Error(`provider unit remained loaded with state ${loadState || "unknown"}`);
|
|
}
|
|
|
|
async function runBoundedSystemctl(arguments_: readonly string[], label: string): Promise<string> {
|
|
return await new Promise<string>((resolve, reject) => {
|
|
const child = spawn("/usr/bin/systemctl", arguments_, {
|
|
env: providerCgroupClientEnvironment(),
|
|
stdio: ["ignore", "pipe", "pipe"],
|
|
});
|
|
let bytes = 0;
|
|
const chunks: Buffer[] = [];
|
|
let settled = false;
|
|
let termination: "output" | "timeout" | undefined;
|
|
let reap: NodeJS.Timeout | undefined;
|
|
const finish = (error?: Error): void => {
|
|
if (settled) return;
|
|
settled = true;
|
|
clearTimeout(timeout);
|
|
if (reap) clearTimeout(reap);
|
|
error ? reject(error) : resolve(Buffer.concat(chunks).toString("utf8"));
|
|
};
|
|
const terminate = (reason: "output" | "timeout"): void => {
|
|
if (termination) return;
|
|
termination = reason;
|
|
child.kill("SIGKILL");
|
|
reap = setTimeout(() => finish(new Error(`${label} ${reason} bound was exceeded and systemctl did not close`)), PROVIDER_REAP_TIMEOUT_MS);
|
|
};
|
|
const capture = (chunk: Buffer | string): void => {
|
|
if (termination) return;
|
|
const value = Buffer.isBuffer(chunk) ? chunk : Buffer.from(chunk);
|
|
const remaining = PROVIDER_CONTROL_MAX_OUTPUT_BYTES - bytes;
|
|
if (remaining > 0) { chunks.push(value.subarray(0, remaining)); bytes += Math.min(value.length, remaining); }
|
|
if (value.length > remaining) terminate("output");
|
|
};
|
|
child.stdout?.on("data", capture);
|
|
child.stderr?.on("data", capture);
|
|
const timeout = setTimeout(() => terminate("timeout"), PROVIDER_CONTROL_TIMEOUT_MS);
|
|
child.once("error", (error) => finish(error));
|
|
child.once("close", (code, signal) => {
|
|
if (termination) return finish(new Error(`${label} ${termination} bound was exceeded`));
|
|
if (code === 0 && signal === null) return finish();
|
|
const detail = Buffer.concat(chunks).toString("utf8").trim();
|
|
finish(new Error(`${label} failed: exit=${code ?? "none"}, signal=${signal ?? "none"}${detail ? `, output=${detail}` : ""}`));
|
|
});
|
|
});
|
|
}
|
|
|
|
function providerCgroupClientEnvironment(): NodeJS.ProcessEnv {
|
|
const environment: NodeJS.ProcessEnv = { PATH: "/usr/bin:/bin" };
|
|
for (const name of ["DBUS_SESSION_BUS_ADDRESS", "HOME", "LANG", "LC_ALL", "LOGNAME", "USER", "XDG_RUNTIME_DIR"] as const) {
|
|
if (process.env[name]) environment[name] = process.env[name];
|
|
}
|
|
return environment;
|
|
}
|
|
|
|
function providerCpuSeconds(): number {
|
|
const value = process.env.PROVIDER_SUPERVISOR_CPU_SECONDS;
|
|
if (!value) return DEFAULT_PROVIDER_CPU_SECONDS;
|
|
const parsed = Number(value);
|
|
if (!Number.isSafeInteger(parsed) || parsed <= 0 || parsed > DEFAULT_PROVIDER_CPU_SECONDS) {
|
|
throw new TypeError("PROVIDER_SUPERVISOR_CPU_SECONDS must be a positive integer no greater than 1200");
|
|
}
|
|
return parsed;
|
|
}
|
|
|
|
function providerTimeoutMs(): number {
|
|
const value = process.env.PROVIDER_SUPERVISOR_TIMEOUT_MS;
|
|
if (!value) return DEFAULT_PROVIDER_TIMEOUT_MS;
|
|
const parsed = Number(value);
|
|
if (!Number.isSafeInteger(parsed) || parsed <= 0 || parsed > DEFAULT_PROVIDER_TIMEOUT_MS) {
|
|
throw new TypeError("PROVIDER_SUPERVISOR_TIMEOUT_MS must be a positive integer no greater than 1800000");
|
|
}
|
|
return parsed;
|
|
}
|
|
|
|
function toError(error: unknown): Error {
|
|
return error instanceof Error ? error : new Error(String(error));
|
|
}
|
|
|
|
function missingDestinationAncestors(target: string): string[] {
|
|
const ancestors: string[] = [];
|
|
let current = path.dirname(path.resolve(target));
|
|
while (current !== path.parse(current).root && !["/usr", "/bin", "/lib", "/lib64", "/tmp"].includes(current)) {
|
|
ancestors.push(current);
|
|
current = path.dirname(current);
|
|
}
|
|
return ancestors.reverse();
|
|
}
|
|
|
|
async function exists(target: string): Promise<boolean> {
|
|
try {
|
|
await lstat(target);
|
|
return true;
|
|
} catch (error) {
|
|
if (hasErrorCode(error, "ENOENT")) return false;
|
|
throw error;
|
|
}
|
|
}
|
|
|
|
async function prepareMissingProviderOutput(
|
|
root: string,
|
|
absolutePath: string,
|
|
configuredPath: string,
|
|
label: string,
|
|
): Promise<void> {
|
|
await ensureSafePublishDirectory(root, path.dirname(absolutePath));
|
|
await assertSafePublishLeaf(absolutePath, configuredPath);
|
|
try {
|
|
await lstat(absolutePath);
|
|
throw new Error(`${label} already exists: ${configuredPath}`);
|
|
} catch (error) {
|
|
if (!hasErrorCode(error, "ENOENT")) throw error;
|
|
}
|
|
}
|
|
|
|
async function assertOwnedProviderOutput(
|
|
absolutePath: string,
|
|
identity: Readonly<{ dev: number; ino: number }>,
|
|
): Promise<void> {
|
|
const metadata = await lstat(absolutePath);
|
|
if (
|
|
metadata.isSymbolicLink() ||
|
|
!metadata.isFile() ||
|
|
metadata.dev !== identity.dev ||
|
|
metadata.ino !== identity.ino
|
|
) {
|
|
throw new Error("provider raw output identity changed");
|
|
}
|
|
}
|
|
|
|
function hasErrorCode(error: unknown, code: string): boolean {
|
|
return Boolean(error && typeof error === "object" && "code" in error && error.code === code);
|
|
}
|