nodejs/test/parallel/test-tls-dhe.js

117 lines
3.4 KiB
JavaScript

// Flags: --no-warnings
// Copyright Joyent, Inc. and other Node contributors.
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to permit
// persons to whom the Software is furnished to do so, subject to the
// following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
// USE OR OTHER DEALINGS IN THE SOFTWARE.
'use strict';
const common = require('../common');
if (!common.hasCrypto)
common.skip('missing crypto');
if (!common.opensslCli)
common.skip('missing openssl-cli');
const assert = require('assert');
const tls = require('tls');
const spawn = require('child_process').spawn;
const fixtures = require('../common/fixtures');
const key = fixtures.readKey('agent2-key.pem');
const cert = fixtures.readKey('agent2-cert.pem');
let nsuccess = 0;
let ntests = 0;
const ciphers = 'DHE-RSA-AES128-SHA256:ECDHE-RSA-AES128-SHA256';
// Test will emit a warning because the DH parameter size is < 2048 bits
common.expectWarning('SecurityWarning',
'DH parameter is less than 2048 bits');
function loadDHParam(n) {
const keyname = `dh${n}.pem`;
return fixtures.readKey(keyname);
}
function test(keylen, expectedCipher, cb) {
const options = {
key: key,
cert: cert,
ciphers: ciphers,
dhparam: loadDHParam(keylen)
};
const server = tls.createServer(options, function(conn) {
conn.end();
});
server.on('close', function(err) {
assert.ifError(err);
if (cb) cb();
});
server.listen(0, '127.0.0.1', function() {
const args = ['s_client', '-connect', `127.0.0.1:${this.address().port}`,
'-cipher', ciphers];
const client = spawn(common.opensslCli, args);
let out = '';
client.stdout.setEncoding('utf8');
client.stdout.on('data', function(d) {
out += d;
});
client.stdout.on('end', function() {
// DHE key length can be checked -brief option in s_client but it
// is only supported in openssl 1.0.2 so we cannot check it.
const reg = new RegExp(`Cipher : ${expectedCipher}`);
if (reg.test(out)) {
nsuccess++;
server.close();
}
});
});
}
function test512() {
assert.throws(function() {
test(512, 'DHE-RSA-AES128-SHA256', null);
}, /DH parameter is less than 1024 bits/);
}
function test1024() {
test(1024, 'DHE-RSA-AES128-SHA256', test2048);
ntests++;
}
function test2048() {
test(2048, 'DHE-RSA-AES128-SHA256', testError);
ntests++;
}
function testError() {
test('error', 'ECDHE-RSA-AES128-SHA256', test512);
ntests++;
}
test1024();
process.on('exit', function() {
assert.strictEqual(ntests, nsuccess);
assert.strictEqual(ntests, 3);
});