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// 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('node compiled without OpenSSL CLI.');
const assert = require('assert');
const tls = require('tls');
const fixtures = require('../common/fixtures');
// renegotiation limits to test
const LIMITS = [0, 1, 2, 3, 5, 10, 16];
{
let n = 0;
function next() {
if (n >= LIMITS.length) return;
tls.CLIENT_RENEG_LIMIT = LIMITS[n++];
test(next);
}
next();
}
function test(next) {
const options = {
cert: fixtures.readSync('test_cert.pem'),
key: fixtures.readSync('test_key.pem')
};
const server = tls.createServer(options, function(conn) {
conn.on('error', function(err) {
console.error(`Caught exception: ${err}`);
assert(/TLS session renegotiation attack/.test(err));
conn.destroy();
});
conn.pipe(conn);
});
server.listen(0, function() {
const options = {
host: server.address().host,
port: server.address().port,
rejectUnauthorized: false
};
const client = tls.connect(options, spam);
let renegs = 0;
client.on('close', function() {
assert.strictEqual(renegs, tls.CLIENT_RENEG_LIMIT + 1);
server.close();
process.nextTick(next);
});
client.on('error', function(err) {
console.log('CLIENT ERR', err);
throw err;
});
client.on('close', function(hadErr) {
assert.strictEqual(hadErr, false);
});
// simulate renegotiation attack
function spam() {
client.write('');
client.renegotiate({}, (err) => {
assert.ifError(err);
assert.ok(renegs <= tls.CLIENT_RENEG_LIMIT);
spam();
});
renegs++;
}
});
}
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