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test: add test of tls.createServer(honorCipherOrder=true)

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Shigeki Ohtsu authored and bnoordhuis committed Mar 25, 2012
1 parent 0dd8e01 commit e7792e5d46dc3c1e25915266d671070c945f1968
Showing with 86 additions and 0 deletions.
  1. +86 −0 test/simple/test-tls-honorcipherorder.js
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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.

var common = require('../common');
var assert = require('assert');
var tls = require('tls');
var fs = require('fs');
var nconns = 0;
// test only in TLSv1 to use DES which is no longer supported TLSv1.2
// to be safe when the default method is updated in the future
var SSL_Method = 'TLSv1_method';
var localhost = '127.0.0.1';

process.on('exit', function() {
assert.equal(nconns, 4);
});

function test(honorCipherOrder, clientCipher, expectedCipher, cb) {
var soptions = {
secureProtocol: SSL_Method,
key: fs.readFileSync(common.fixturesDir + '/keys/agent2-key.pem'),
cert: fs.readFileSync(common.fixturesDir + '/keys/agent2-cert.pem'),
ciphers: 'AES256-SHA:RC4-SHA:DES-CBC-SHA',
honorCipherOrder: !!honorCipherOrder
};

var server = tls.createServer(soptions, function(cleartextStream) {
nconns++;
});
server.listen(common.PORT, localhost, function() {
var coptions = {secureProtocol: SSL_Method};
if (clientCipher) {
coptions.ciphers = clientCipher;
}
var client = tls.connect(common.PORT, localhost, coptions, function() {
var cipher = client.getCipher();
client.end();
server.close();
assert.equal(cipher.name, expectedCipher);
if (cb) cb();
});
});
}

test1();

function test1() {
// Client has the preference of cipher suites by default
test(false, 'DES-CBC-SHA:RC4-SHA:AES256-SHA','DES-CBC-SHA', test2);
}

function test2() {
// Server has the preference of cipher suites where AES256-SHA is in
// the first.
test(true, 'DES-CBC-SHA:RC4-SHA:AES256-SHA', 'AES256-SHA', test3);
}

function test3() {
// Server has the preference of cipher suites. RC4-SHA is given
// higher priority over DES-CBC-SHA among client cipher suites.
test(true, 'DES-CBC-SHA:RC4-SHA', 'RC4-SHA', test4);
}

function test4() {
// As client has only one cipher, server has no choice in regardless
// of honorCipherOrder.
test(true, 'DES-CBC-SHA', 'DES-CBC-SHA');
}

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