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// Copyright (c) 2017, Compiler Explorer Authors
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// * Redistributions of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
import * as exec from '../lib/exec';
import { chai } from './utils';
const expect = chai.expect;
function testExecOutput(x) {
// Work around chai not being able to deepEquals with a function
x.filenameTransform.should.be.a('function');
delete x.filenameTransform;
delete x.execTime;
return x;
}
if (process.platform !== 'win32') { // POSIX
describe('Executes external commands', () => {
it('supports output', () => {
return exec.execute('echo', ['hello', 'world'], {})
.then(testExecOutput)
.should.eventually.deep.equals(
{
code: 0,
okToCache: true,
stderr: '',
stdout: 'hello world\n',
});
});
it('limits output', () => {
return exec.execute('echo', ['A very very very very very long string'], {maxOutput: 10})
.then(testExecOutput)
.should.eventually.deep.equals(
{
code: 0,
okToCache: true,
stderr: '',
stdout: 'A very ver\n[Truncated]',
});
});
it('handles failing commands', () => {
return exec.execute('false', [], {})
.then(testExecOutput)
.should.eventually.deep.equals(
{
code: 1,
okToCache: true,
stderr: '',
stdout: '',
});
});
it('handles timouts', () => {
return exec.execute('sleep', ['5'], {timeoutMs: 10})
.then(testExecOutput)
.should.eventually.deep.equals(
{
code: -1,
okToCache: false,
stderr: '\nKilled - processing time exceeded',
stdout: '',
});
});
it('handles missing executables', () => {
return exec.execute('__not_a_command__', [], {})
.should.be.rejectedWith('ENOENT');
});
it('handles input', () => {
return exec.execute('cat', [], {input: 'this is stdin'})
.then(testExecOutput)
.should.eventually.deep.equals(
{
code: 0,
okToCache: true,
stderr: '',
stdout: 'this is stdin',
});
});
});
} else { // win32
describe('Executes external commands', () => {
// note: we use powershell, since echo is a builtin, and false doesn't exist
it('supports output', () => {
return exec.execute('powershell', ['-Command', 'echo "hello world"'], {})
.then(testExecOutput)
.should.eventually.deep.equals(
{
code: 0,
okToCache: true,
stderr: '',
stdout: 'hello world\r\n',
});
});
it('limits output', () => {
return exec.execute('powershell', ['-Command', 'echo "A very very very very very long string"'], {maxOutput: 10})
.then(testExecOutput)
.should.eventually.deep.equals(
{
code: 0,
okToCache: true,
stderr: '',
stdout: 'A very ver\n[Truncated]',
});
});
it('handles failing commands', () => {
return exec.execute('powershell', ['-Command', 'function Fail { exit 1 }; Fail'], {})
.then(testExecOutput)
.should.eventually.deep.equals(
{
code: 1,
okToCache: true,
stderr: '',
stdout: '',
});
});
it('handles timouts', () => {
return exec.execute('powershell', ['-Command', '"sleep 5"'], {timeoutMs: 10})
.then(testExecOutput)
.should.eventually.deep.equals(
{
code: 1,
okToCache: false,
stderr: '\nKilled - processing time exceeded',
stdout: '',
});
});
it('handles missing executables', () => {
return exec.execute('__not_a_command__', [], {})
.should.be.rejectedWith('ENOENT');
});
});
}
describe('nsjail unit tests', () => {
it('should handle simple cases', () => {
const {args, options, filenameTransform} = exec.getNsJailOptions(
'sandbox',
'/path/to/compiler',
['1', '2', '3'],
);
args.should.deep.equals([
'--config',
'etc/nsjail/sandbox.cfg',
'--env=HOME=/app',
'--',
'/path/to/compiler',
'1',
'2',
'3']);
options.should.deep.equals({});
expect(filenameTransform).to.be.undefined;
});
it('should pass through options', () => {
const options = exec.getNsJailOptions(
'sandbox',
'/path/to/compiler',
[],
{some: 1, thing: 2},
).options;
options.should.deep.equals({some: 1, thing: 2});
});
it('should remap paths when using customCwd', () => {
const {args, options, filenameTransform} = exec.getNsJailOptions(
'sandbox',
'./exec',
['/some/custom/cwd/file', '/not/custom/file'],
{customCwd: '/some/custom/cwd'},
);
args.should.deep.equals([
'--config',
'etc/nsjail/sandbox.cfg',
'--cwd',
'/app',
'--bindmount',
'/some/custom/cwd:/app',
'--env=HOME=/app',
'--',
'./exec',
'/app/file',
'/not/custom/file']);
options.should.deep.equals({});
expect(filenameTransform).to.not.be.undefined;
filenameTransform('moo').should.equal('moo');
filenameTransform('/some/custom/cwd/file').should.equal('/app/file');
});
it('should handle timeouts', () => {
const args = exec.getNsJailOptions(
'sandbox',
'/path/to/compiler',
[],
{timeoutMs: 1234},
).args;
args.should.include('--time_limit=2');
});
it('should handle linker paths', () => {
const {args, options} = exec.getNsJailOptions(
'sandbox',
'/path/to/compiler',
[],
{ldPath: '/a/lib/path'},
);
options.should.deep.equals({});
args.should.include('--env=LD_LIBRARY_PATH=/a/lib/path');
});
it('should handle envs', () => {
const {args, options} = exec.getNsJailOptions(
'sandbox',
'/path/to/compiler',
[],
{env: {ENV1: '1', ENV2: '2'}},
);
options.should.deep.equals({});
args.should.include('--env=ENV1=1');
args.should.include('--env=ENV2=2');
});
});