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Calling require with null char as first char of the path component causes crash #13788

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Calling require with null char as first char of the path component causes crash #13788

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0419b14
module: ignore module path after null character
zimbabao Jun 17, 2017
96cbbea
module: ignore module path after null character
zimbabao Jun 19, 2017
0861c3b
module: ignore module path after null character
zimbabao Jun 20, 2017
01c5127
module: ignore module path after null character
zimbabao Jun 20, 2017
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4 changes: 4 additions & 0 deletions lib/module.js
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Original file line number Diff line number Diff line change
Expand Up @@ -510,6 +510,10 @@ Module.prototype.load = function(filename) {
Module.prototype.require = function(path) {
assert(path, 'missing path');
assert(typeof path === 'string', 'path must be a string');
// Ignore part of the path after null character if it exists
if (path.indexOf('\u0000') !== -1) {
path = path.split('\u0000')[0];
}
return Module._load(path, this, /* isMain */ false);
};

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6 changes: 6 additions & 0 deletions test/parallel/test-require-exceptions.js
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Expand Up @@ -33,6 +33,12 @@ assert.throws(function() {
require(`${common.fixturesDir}/throws_error`);
}, /^Error: blah$/);

// Requiring the module with null character in
// path as first character of a component
assert.throws(function() {
require('../\u0000on');
}, /^Error: Cannot find module '[.]{2}\/'$/);

// Requiring a module that does not exist should throw an
// error with its `code` set to MODULE_NOT_FOUND
assertModuleNotFound('/DOES_NOT_EXIST');
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