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tls: add
allowPartialTrustChain flag
This commit exposes the `X509_V_FLAG_PARTIAL_CHAIN` OpenSSL flag to users. This is behavior that has been requested repeatedly in the Github issues, and allows aligning behavior with other TLS libraries and commonly used applications (e.g. `curl`). As a drive-by, simplify the `SecureContext` source by deduplicating call sites at which a new custom certificate store was created for the `secureContext` in question. Fixes: #36453 PR-URL: #54790 Reviewed-By: Yagiz Nizipli <yagiz@nizipli.com> Reviewed-By: James M Snell <jasnell@gmail.com>
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53 changes: 53 additions & 0 deletions
53
test/parallel/test-tls-client-allow-partial-trust-chain.js
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,53 @@ | ||
| 'use strict'; | ||
| const common = require('../common'); | ||
| if (!common.hasCrypto) { common.skip('missing crypto'); } | ||
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| const assert = require('assert'); | ||
| const { once } = require('events'); | ||
| const fixtures = require('../common/fixtures'); | ||
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| // agent6-cert.pem is signed by intermediate cert of ca3. | ||
| // The server has a cert chain of agent6->ca3->ca1(root). | ||
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| const { it, beforeEach, afterEach, describe } = require('node:test'); | ||
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| describe('allowPartialTrustChain', { skip: !common.hasCrypto }, function() { | ||
| const tls = require('tls'); | ||
| let server; | ||
| let client; | ||
| let opts; | ||
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| beforeEach(async function() { | ||
| server = tls.createServer({ | ||
| ca: fixtures.readKey('ca3-cert.pem'), | ||
| key: fixtures.readKey('agent6-key.pem'), | ||
| cert: fixtures.readKey('agent6-cert.pem'), | ||
| }, (socket) => socket.resume()); | ||
| server.listen(0); | ||
| await once(server, 'listening'); | ||
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| opts = { | ||
| port: server.address().port, | ||
| ca: fixtures.readKey('ca3-cert.pem'), | ||
| checkServerIdentity() {} | ||
| }; | ||
| }); | ||
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| afterEach(async function() { | ||
| client?.destroy(); | ||
| server?.close(); | ||
| }); | ||
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| it('can connect successfully with allowPartialTrustChain: true', async function() { | ||
| client = tls.connect({ ...opts, allowPartialTrustChain: true }); | ||
| await once(client, 'secureConnect'); // Should not throw | ||
| }); | ||
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| it('fails without with allowPartialTrustChain: true for an intermediate cert in the CA', async function() { | ||
| // Consistency check: Connecting fails without allowPartialTrustChain: true | ||
| await assert.rejects(async () => { | ||
| const client = tls.connect(opts); | ||
| await once(client, 'secureConnect'); | ||
| }, { code: 'UNABLE_TO_GET_ISSUER_CERT' }); | ||
| }); | ||
| }); |