mirror of https://gitee.com/openkylin/nodejs.git
91 lines
3.3 KiB
JavaScript
91 lines
3.3 KiB
JavaScript
'use strict';
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const common = require('../common');
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const fixtures = require('../common/fixtures');
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// Test the honorCipherOrder property
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if (!common.hasCrypto)
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common.skip('missing crypto');
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const assert = require('assert');
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const mustCall = common.mustCall;
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const tls = require('tls');
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const util = require('util');
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// We explicitly set TLS version to 1.2 so as to be safe when the
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// default method is updated in the future
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const SSL_Method = 'TLSv1_2_method';
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const localhost = '127.0.0.1';
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function test(honorCipherOrder, clientCipher, expectedCipher, defaultCiphers) {
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const soptions = {
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secureProtocol: SSL_Method,
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key: fixtures.readKey('agent2-key.pem'),
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cert: fixtures.readKey('agent2-cert.pem'),
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ciphers: 'AES256-SHA256:AES128-GCM-SHA256:AES128-SHA256:' +
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'ECDHE-RSA-AES128-GCM-SHA256',
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honorCipherOrder: honorCipherOrder,
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};
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const server = tls.createServer(soptions, mustCall(function(clearTextStream) {
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// End socket to send CLOSE_NOTIFY and TCP FIN packet, otherwise
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// it may hang for ~30 seconds in FIN_WAIT_1 state (at least on OSX).
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clearTextStream.end();
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}));
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server.listen(0, localhost, mustCall(function() {
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const coptions = {
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rejectUnauthorized: false,
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secureProtocol: SSL_Method
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};
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if (clientCipher) {
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coptions.ciphers = clientCipher;
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}
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const port = this.address().port;
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const savedDefaults = tls.DEFAULT_CIPHERS;
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tls.DEFAULT_CIPHERS = defaultCiphers || savedDefaults;
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const client = tls.connect(port, localhost, coptions, mustCall(function() {
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const cipher = client.getCipher();
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client.end();
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server.close();
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const msg = util.format(
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'honorCipherOrder=%j, clientCipher=%j, expect=%j, got=%j',
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honorCipherOrder, clientCipher, expectedCipher, cipher.name);
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assert.strictEqual(cipher.name, expectedCipher, msg);
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}));
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tls.DEFAULT_CIPHERS = savedDefaults;
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}));
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}
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// Client explicitly has the preference of cipher suites, not the default.
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test(false, 'AES128-GCM-SHA256:AES256-SHA256:AES128-SHA256',
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'AES128-GCM-SHA256');
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// Server has the preference of cipher suites, and AES256-SHA256 is
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// the server's top choice.
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test(true, 'AES128-GCM-SHA256:AES256-SHA256:AES128-SHA256',
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'AES256-SHA256');
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test(undefined, 'AES128-GCM-SHA256:AES256-SHA256:AES128-SHA256',
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'AES256-SHA256');
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// Server has the preference of cipher suites. AES128-GCM-SHA256 is given
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// higher priority over AES128-SHA256 among client cipher suites.
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test(true, 'AES128-SHA256:AES128-GCM-SHA256', 'AES128-GCM-SHA256');
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test(undefined, 'AES128-SHA256:AES128-GCM-SHA256', 'AES128-GCM-SHA256');
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// As client has only one cipher, server has no choice, irrespective
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// of honorCipherOrder.
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test(true, 'AES128-SHA256', 'AES128-SHA256');
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test(undefined, 'AES128-SHA256', 'AES128-SHA256');
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// Client did not explicitly set ciphers and client offers
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// tls.DEFAULT_CIPHERS. All ciphers of the server are included in the
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// default list so the negotiated cipher is selected according to the
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// server's top preference of AES256-SHA256.
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test(true, tls.DEFAULT_CIPHERS, 'AES256-SHA256');
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test(true, null, 'AES256-SHA256');
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test(undefined, null, 'AES256-SHA256');
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// Ensure that `tls.DEFAULT_CIPHERS` is used when its a limited cipher set.
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test(true, null, 'ECDHE-RSA-AES128-GCM-SHA256', 'ECDHE-RSA-AES128-GCM-SHA256');
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