feat(control-plane): production native-CA wiring for on-disk P-256 CAs (A2-prep)
Wire the prod boot to issue frp-client + device leaves from the existing on-disk P-256 CAs: NATIVE_* env vars, a file-backed KmsResolver (loads the PEM key, validates prime256v1, never logs key material), buildFileBackedNativeCas threaded into buildControlPlane via a nativeCas override. Fail-closed on partial NATIVE_*. 281 tests pass.
This commit is contained in:
Yaojia Wang
215
control-plane/test/native-ca.test.ts
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215
control-plane/test/native-ca.test.ts
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/**
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* A2-prep — PRODUCTION native-tunnel CA wiring from ON-DISK P-256 material. Generates throwaway
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* P-256 CAs (key + cert PEM) in a tmp dir — standing in for the VPS `gen-device-ca.sh` output — then
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* proves `buildFileBackedNativeCas` binds each CA's signer to its on-disk key and its anchor to its
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* on-disk cert, that a leaf issued by the wired signer CHAINS to that on-disk cert, that a WIRED
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* control-plane `/enroll` mints an frp-client leaf whose dNSName SAN = `<sub>.<zone>` from the real
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* on-disk CA, and that partial/missing/malformed material FAILS CLOSED (INV9).
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*/
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import 'reflect-metadata'
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import { describe, test, expect, beforeEach, afterEach } from 'vitest'
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import * as x509 from '@peculiar/x509'
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import { webcrypto, generateKeyPairSync } from 'node:crypto'
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import { mkdtempSync, writeFileSync, rmSync } from 'node:fs'
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import { tmpdir } from 'node:os'
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import { join } from 'node:path'
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import { buildNativeCas, buildFileBackedNativeCas } from '../src/boot/native-ca.js'
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import { inProcessP256CaSigner } from '../src/boot/ca-wiring.js'
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import { assembleCertificate } from '../src/ca/x509-assembler.js'
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import { createFrpClientLeafSigner } from '../src/ca/frpclient-issue.js'
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import { createHostRegistry } from '../src/registry/hosts.js'
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import { createMemoryStores } from '../src/store/memory.js'
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import { fingerprint } from '../src/ca/fingerprint.js'
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import { buildCsrEc } from '../src/ca/csr-ec.js'
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import { createPairingIssuer } from '../src/pairing/issue.js'
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import { buildControlPlane } from '../src/main.js'
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import { loadEnv, type ControlPlaneEnv, type NativeCaEnvConfig } from '../src/env.js'
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import { bytesToBase64 } from '../src/util/bytes.js'
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import type { Stores } from '../src/store/ports.js'
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x509.cryptoProvider.set(webcrypto)
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const ACCOUNT_A = '11111111-1111-4111-8111-111111111111'
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const ZONE = 'native.example.test'
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const DAY_MS = 24 * 60 * 60 * 1000
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let dir: string
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let env: ControlPlaneEnv
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beforeEach(() => {
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dir = mkdtempSync(join(tmpdir(), 'cp-nativeca-'))
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env = loadEnv({
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PG_URL: 'postgres://u:p@localhost:5432/cp',
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REDIS_URL: 'redis://localhost:6379',
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CAPABILITY_SIGN_PUBKEY_B64: bytesToBase64(new Uint8Array(32).fill(7)),
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CA_INTERMEDIATE_KMS_KEY_REF: 'kms://key/intermediate',
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CA_INTERMEDIATE_CERT_PATH: join(dir, 'int.cert.pem'),
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NODE_MTLS_TRUST_BUNDLE_PATH: join(dir, 'node-ca.pem'),
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RELAY_TRUST_DOMAIN: ZONE,
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BASE_DOMAIN: 'term.example.com',
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})
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})
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afterEach(() => {
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rmSync(dir, { recursive: true, force: true })
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})
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/** Write a self-signed throwaway P-256 CA (key + cert PEM) to disk — mirrors the VPS gen-device-ca output. */
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async function writeThrowawayP256Ca(cn: string): Promise<{ keyPath: string; certPath: string; caDer: Uint8Array }> {
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const caKeys = generateKeyPairSync('ec', { namedCurve: 'P-256' })
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const keyPem = caKeys.privateKey.export({ format: 'pem', type: 'pkcs8' }) as string
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const caSpki = new Uint8Array(caKeys.publicKey.export({ format: 'der', type: 'spki' }))
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const signer = inProcessP256CaSigner(caKeys.privateKey)
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const now = Date.now()
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const caDer = await assembleCertificate({
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subjectPublicKey: caSpki,
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subject: `CN=${cn}`,
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issuer: `CN=${cn}`,
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serialNumber: Uint8Array.from([0x01]),
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notBefore: new Date(now - DAY_MS),
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notAfter: new Date(now + 365 * DAY_MS),
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extensions: [
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new x509.BasicConstraintsExtension(true, undefined, true),
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new x509.KeyUsagesExtension(x509.KeyUsageFlags.keyCertSign | x509.KeyUsageFlags.cRLSign, true),
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],
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signer,
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sigAlg: 'ecdsa-p256',
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})
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const certPem = new x509.X509Certificate(caDer).toString('pem')
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const keyPath = join(dir, `${cn}.key.pem`)
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const certPath = join(dir, `${cn}.cert.pem`)
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writeFileSync(keyPath, keyPem)
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writeFileSync(certPath, certPem)
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return { keyPath, certPath, caDer }
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}
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async function writeNativeCaConfig(): Promise<{ config: NativeCaEnvConfig; frpCaDer: Uint8Array; deviceCaDer: Uint8Array }> {
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const frp = await writeThrowawayP256Ca('frp-client-CA')
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const dev = await writeThrowawayP256Ca('device-CA')
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return {
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config: {
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frpClientCaCertPath: frp.certPath,
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frpClientCaKeyPath: frp.keyPath,
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deviceCaCertPath: dev.certPath,
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deviceCaKeyPath: dev.keyPath,
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dnsZone: ZONE,
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},
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frpCaDer: frp.caDer,
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deviceCaDer: dev.caDer,
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}
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}
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function b64(bytes: Uint8Array): string {
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return Buffer.from(bytes).toString('base64')
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}
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function sanNames(der: Uint8Array): ReturnType<x509.GeneralNames['toJSON']> {
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return new x509.X509Certificate(der).getExtension(x509.SubjectAlternativeNameExtension)!.names.toJSON()
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}
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describe('buildFileBackedNativeCas — anchors + signer from on-disk P-256 material', () => {
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test('each CA anchor DER == its on-disk cert DER; issuer names parse', async () => {
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const { config, frpCaDer, deviceCaDer } = await writeNativeCaConfig()
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const cas = await buildFileBackedNativeCas(env, config)
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expect(b64(cas.frpClientCa.caCertDer)).toBe(b64(frpCaDer))
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expect(b64(cas.deviceCa.caCertDer)).toBe(b64(deviceCaDer))
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expect(cas.frpClientCa.anchorsDer).toEqual([cas.frpClientCa.caCertDer])
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expect(cas.deviceCa.anchorsDer).toEqual([cas.deviceCa.caCertDer])
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expect(cas.frpClientCa.issuerName.toString()).toContain('frp-client-CA')
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expect(cas.deviceCa.issuerName.toString()).toContain('device-CA')
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})
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test('a leaf minted by the wired frp-client signer CHAINS to the on-disk CA cert', async () => {
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const { config, frpCaDer } = await writeNativeCaConfig()
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const cas = await buildFileBackedNativeCas(env, config)
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// Bind a P-256 host so the signer will issue for it.
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const stores = createMemoryStores()
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const hosts = createHostRegistry({ hosts: stores.hosts })
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const { der: csr, keys } = await buildCsrEc('CN=alice')
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const spki = new Uint8Array(await webcrypto.subtle.exportKey('spki', keys.publicKey))
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const host = await hosts.bindHost({ accountId: ACCOUNT_A, subdomain: 'alice', agentPubkey: spki, enrollFpr: fingerprint(spki) })
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const signer = createFrpClientLeafSigner({
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hosts: stores.hosts,
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signer: cas.frpClientCa.signer,
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issuerName: cas.frpClientCa.issuerName,
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caChainDer: cas.frpClientCa.anchorsDer,
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trustDomain: ZONE,
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dnsZone: ZONE,
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})
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const { cert } = await signer.signHostLeaf(host.hostId, spki, csr)
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// The leaf verifies against the ON-DISK CA cert's public key (real chain) …
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const onDiskCa = new x509.X509Certificate(frpCaDer)
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expect(await new x509.X509Certificate(cert).verify({ publicKey: onDiskCa.publicKey, signatureOnly: true })).toBe(true)
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// … and carries the enforcement dNSName SAN under the configured zone.
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expect(sanNames(cert)).toContainEqual({ type: 'dns', value: `alice.${ZONE}` })
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})
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})
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describe('WIRED control-plane /enroll from on-disk native CAs', () => {
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async function ownedApp(): Promise<{ app: Awaited<ReturnType<typeof buildControlPlane>>['app']; stores: Stores; frpCaDer: Uint8Array }> {
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const { config, frpCaDer } = await writeNativeCaConfig()
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const nativeCas = await buildFileBackedNativeCas(env, config)
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const stores = createMemoryStores()
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const built = await buildControlPlane(env, { stores, production: true, nativeCas, nativeDnsZone: ZONE })
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await built.app.ready()
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return { app: built.app, stores, frpCaDer }
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}
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test('POST /enroll (native EC arm) → 201 frp-client leaf that chains to the on-disk CA + dNSName SAN <sub>.<zone>', async () => {
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const { app, stores, frpCaDer } = await ownedApp()
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const issuer = createPairingIssuer({ pairing: stores.pairing, pairingTtlSec: 3600 })
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const { code } = await issuer.issuePairingCode(ACCOUNT_A)
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const { der: csr, keys } = await buildCsrEc('CN=web-terminal-host')
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const spki = new Uint8Array(await webcrypto.subtle.exportKey('spki', keys.publicKey))
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const res = await app.inject({
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method: 'POST',
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url: '/enroll',
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payload: { code, machineId: 'MB-1', agentPubkey: b64(spki), csr: b64(csr) },
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})
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expect(res.statusCode).toBe(201)
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const body = JSON.parse(res.body)
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expect(typeof body.subdomain).toBe('string')
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expect(body.hostContentSecret).toBeNull()
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const leafDer = new Uint8Array(Buffer.from(body.cert, 'base64'))
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// chains to the REAL on-disk frp-client-CA …
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const onDiskCa = new x509.X509Certificate(frpCaDer)
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expect(await new x509.X509Certificate(leafDer).verify({ publicKey: onDiskCa.publicKey, signatureOnly: true })).toBe(true)
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// … the caChain the server returned IS that on-disk anchor …
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expect(b64(new Uint8Array(Buffer.from(body.caChain[0], 'base64')))).toBe(b64(frpCaDer))
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// … and the leaf carries the server-assigned dNSName SAN under the env-configured zone.
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expect(sanNames(leafDer)).toContainEqual({ type: 'dns', value: `${body.subdomain}.${ZONE}` })
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})
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})
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describe('native-tunnel CA fail-closed (INV9)', () => {
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test('buildNativeCas production without material → refuses to boot', async () => {
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await expect(buildNativeCas(env, { production: true })).rejects.toThrow(/unresolvable in production/)
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})
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test('buildFileBackedNativeCas with an unreadable cert path → refuses to boot', async () => {
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const { config } = await writeNativeCaConfig()
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const broken: NativeCaEnvConfig = { ...config, frpClientCaCertPath: join(dir, 'missing.cert.pem') }
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await expect(buildFileBackedNativeCas(env, broken)).rejects.toThrow(/certificate file is unreadable/)
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})
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test('buildFileBackedNativeCas with a NON-P256 key file → refuses to boot (fail-closed)', async () => {
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const { config } = await writeNativeCaConfig()
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const edPath = join(dir, 'ed.key.pem')
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writeFileSync(edPath, generateKeyPairSync('ed25519').privateKey.export({ format: 'pem', type: 'pkcs8' }) as string)
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const broken: NativeCaEnvConfig = { ...config, frpClientCaKeyPath: edPath }
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await expect(buildFileBackedNativeCas(env, broken)).rejects.toThrow(/P-256|could not be resolved/)
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})
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test('buildFileBackedNativeCas with a malformed cert file → refuses to boot', async () => {
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const { config } = await writeNativeCaConfig()
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const badCert = join(dir, 'bad.cert.pem')
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writeFileSync(badCert, 'not a certificate')
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const broken: NativeCaEnvConfig = { ...config, deviceCaCertPath: badCert }
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await expect(buildFileBackedNativeCas(env, broken)).rejects.toThrow(/parseable X.509 certificate/)
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})
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})
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