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test: add test of tls.createServer(honorCipherOrder=true)
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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. | ||
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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'; | ||
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process.on('exit', function() { | ||
assert.equal(nconns, 4); | ||
}); | ||
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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 | ||
}; | ||
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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(); | ||
}); | ||
}); | ||
} | ||
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test1(); | ||
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function test1() { | ||
// Client has the preference of cipher suites by default | ||
test(false, 'DES-CBC-SHA:RC4-SHA:AES256-SHA','DES-CBC-SHA', test2); | ||
} | ||
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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); | ||
} | ||
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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); | ||
} | ||
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function test4() { | ||
// As client has only one cipher, server has no choice in regardless | ||
// of honorCipherOrder. | ||
test(true, 'DES-CBC-SHA', 'DES-CBC-SHA'); | ||
} |