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'use strict';
const common = require('../common');
if (!common.hasCrypto)
common.skip('missing crypto');
const assert = require('assert');
const tls = require('tls');
const fixtures = require('../common/fixtures');
function loadPEM(n) {
return fixtures.readKey(`${n}.pem`);
}
const serverIP = common.localhostIPv4;
function checkResults(result, expected) {
assert.strictEqual(result.server.ALPN, expected.server.ALPN);
assert.strictEqual(result.client.ALPN, expected.client.ALPN);
}
function runTest(clientsOptions, serverOptions, cb) {
serverOptions.key = loadPEM('agent2-key');
serverOptions.cert = loadPEM('agent2-cert');
const results = [];
let clientIndex = 0;
let serverIndex = 0;
const server = tls.createServer(serverOptions, function(c) {
results[serverIndex++].server = { ALPN: c.alpnProtocol };
});
server.listen(0, serverIP, function() {
connectClient(clientsOptions);
});
function connectClient(options) {
const opt = options.shift();
opt.port = server.address().port;
opt.host = serverIP;
opt.rejectUnauthorized = false;
results[clientIndex] = {};
const client = tls.connect(opt, function() {
results[clientIndex].client = { ALPN: client.alpnProtocol };
client.end();
if (options.length) {
clientIndex++;
connectClient(options);
} else {
server.close();
server.on('close', () => {
cb(results);
});
}
});
}
}
// Server: ALPN, Client: ALPN
function Test1() {
const serverOptions = {
ALPNProtocols: ['a', 'b', 'c'],
};
const clientsOptions = [{
ALPNProtocols: ['a', 'b', 'c'],
}, {
ALPNProtocols: ['c', 'b', 'e'],
}, {
ALPNProtocols: ['first-priority-unsupported', 'x', 'y'],
}];
runTest(clientsOptions, serverOptions, function(results) {
// 'a' is selected by ALPN
checkResults(results[0],
{ server: { ALPN: 'a' },
client: { ALPN: 'a' } });
// 'b' is selected by ALPN
checkResults(results[1],
{ server: { ALPN: 'b' },
client: { ALPN: 'b' } });
// Nothing is selected by ALPN
checkResults(results[2],
{ server: { ALPN: false },
client: { ALPN: false } });
// execute next test
Test2();
});
}
// Server: ALPN, Client: Nothing
function Test2() {
const serverOptions = {
ALPNProtocols: ['a', 'b', 'c'],
};
const clientsOptions = [{}, {}, {}];
runTest(clientsOptions, serverOptions, function(results) {
// Nothing is selected by ALPN
checkResults(results[0],
{ server: { ALPN: false },
client: { ALPN: false } });
// Nothing is selected by ALPN
checkResults(results[1],
{ server: { ALPN: false },
client: { ALPN: false } });
// Nothing is selected by ALPN
checkResults(results[2],
{ server: { ALPN: false },
client: { ALPN: false } });
// execute next test
Test3();
});
}
// Server: Nothing, Client: ALPN
function Test3() {
const serverOptions = {};
const clientsOptions = [{
ALPNrotocols: ['a', 'b', 'c'],
}, {
ALPNProtocols: ['c', 'b', 'e'],
}, {
ALPNProtocols: ['first-priority-unsupported', 'x', 'y'],
}];
runTest(clientsOptions, serverOptions, function(results) {
// nothing is selected
checkResults(results[0], { server: { ALPN: false },
client: { ALPN: false } });
// nothing is selected
checkResults(results[1], { server: { ALPN: false },
client: { ALPN: false } });
// nothing is selected
checkResults(results[2],
{ server: { ALPN: false },
client: { ALPN: false } });
// execute next test
Test4();
});
}
// Server: Nothing, Client: Nothing
function Test4() {
const serverOptions = {};
const clientsOptions = [{}, {}, {}];
runTest(clientsOptions, serverOptions, function(results) {
// nothing is selected
checkResults(results[0], { server: { ALPN: false },
client: { ALPN: false } });
// nothing is selected
checkResults(results[1], { server: { ALPN: false },
client: { ALPN: false } });
// nothing is selected
checkResults(results[2],
{ server: { ALPN: false },
client: { ALPN: false } });
});
}
Test1();
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