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tls: fix createSecureContext() cipher list filter
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sam-github authored and cjihrig committed May 10, 2019
commit 821dd5ce64a1e09562a742c6f864b08b136c3b61
3 changes: 2 additions & 1 deletion lib/_tls_common.js
Original file line number Diff line number Diff line change
Expand Up @@ -163,7 +163,8 @@ exports.createSecureContext = function createSecureContext(options) {
// cipher suites all have a standard name format beginning with TLS_, so split
// the ciphers and pass them to the appropriate API.
const ciphers = (options.ciphers || tls.DEFAULT_CIPHERS).split(':');
const cipherList = ciphers.filter((_) => !_.match(/^TLS_/)).join(':');
const cipherList = ciphers.filter((_) => !_.match(/^TLS_/) &&
_.length > 0).join(':');
const cipherSuites = ciphers.filter((_) => _.match(/^TLS_/)).join(':');

if (cipherSuites === '' && cipherList === '') {
Expand Down
10 changes: 10 additions & 0 deletions test/parallel/test-tls-set-ciphers.js
Original file line number Diff line number Diff line change
Expand Up @@ -91,3 +91,13 @@ test('TLS_AES_128_CCM_8_SHA256', U,

test('TLS_AES_128_CCM_8_SHA256', 'TLS_AES_128_CCM_8_SHA256',
'TLS_AES_128_CCM_8_SHA256');

// Invalid cipher values
test(9, 'AES256-SHA', U, 'ERR_INVALID_ARG_TYPE', U);
test('AES256-SHA', 9, U, U, 'ERR_INVALID_ARG_TYPE');
test(':', 'AES256-SHA', U, 'ERR_INVALID_OPT_VALUE', U);
test('AES256-SHA', ':', U, U, 'ERR_INVALID_OPT_VALUE');

// Using '' is synonymous for "use default ciphers"
test('TLS_AES_256_GCM_SHA384', '', 'TLS_AES_256_GCM_SHA384');
test('', 'TLS_AES_256_GCM_SHA384', 'TLS_AES_256_GCM_SHA384');