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26 lines
949 B
JavaScript
26 lines
949 B
JavaScript
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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/* See https://bugzilla.mozilla.org/show_bug.cgi?id=813901 */
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const Cu = Components.utils;
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// Make sure that we can't inject __exposedProps__ via the proto of a COW-ed object.
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function checkThrows(expression, sb, regexp) {
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var result = Cu.evalInSandbox('(function() { try { ' + expression + '; return "allowed"; } catch (e) { return e.toString(); }})();', sb);
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dump('result: ' + result + '\n\n\n');
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do_check_true(!!regexp.exec(result));
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}
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function run_test() {
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var sb = new Cu.Sandbox('http://www.example.org');
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sb.obj = {foo: 2};
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checkThrows('obj.foo = 3;', sb, /denied/);
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Cu.evalInSandbox("var p = {__exposedProps__: {foo: 'rw'}};", sb);
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sb.obj.__proto__ = sb.p;
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checkThrows('obj.foo = 4;', sb, /__exposedProps__/);
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}
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