| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| * |
| */ |
| |
| package org.apache.skywalking.oap.log.analyzer.dsl; |
| |
| import java.util.Arrays; |
| import java.util.Collection; |
| import java.util.Collections; |
| import org.apache.skywalking.apm.network.logging.v3.LogData; |
| import org.apache.skywalking.oap.log.analyzer.provider.LogAnalyzerModuleConfig; |
| import org.apache.skywalking.oap.server.core.CoreModule; |
| import org.apache.skywalking.oap.server.core.config.ConfigService; |
| import org.apache.skywalking.oap.server.core.source.SourceReceiver; |
| import org.apache.skywalking.oap.server.library.module.ModuleManager; |
| import org.apache.skywalking.oap.server.library.module.ModuleProviderHolder; |
| import org.apache.skywalking.oap.server.library.module.ModuleServiceHolder; |
| import org.apache.skywalking.oap.server.library.module.ModuleStartException; |
| import org.codehaus.groovy.control.MultipleCompilationErrorsException; |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized; |
| import org.powermock.reflect.Whitebox; |
| |
| import static org.mockito.ArgumentMatchers.anyString; |
| import static org.mockito.Mockito.mock; |
| import static org.mockito.Mockito.when; |
| |
| @RunWith(Parameterized.class) |
| public class DSLSecurityTest { |
| @Parameterized.Parameters(name = "{index}: {0}") |
| public static Collection<Object[]> data() { |
| return Arrays.asList( |
| new String[] { |
| "DDOS", |
| "" + |
| "filter {\n" + |
| " System.exit(0)\n" + |
| " sink {}\n" + |
| "}", |
| }, |
| new String[] { |
| "DDOS", |
| "" + |
| "filter {\n" + |
| " for (;;) {}\n" + |
| " sink {}\n" + |
| "}", |
| }, |
| new String[] { |
| "DDOS", |
| "" + |
| "filter {\n" + |
| " while (true) {}\n" + |
| " sink {}\n" + |
| "}", |
| }, |
| new String[] { |
| "DDOS", |
| "" + |
| "filter {\n" + |
| " do {} while (true)\n" + |
| " sink {}\n" + |
| "}", |
| }, |
| new String[] { |
| "Steal or delete files on server", |
| "" + |
| "filter {\n" + |
| " Files.delete(\"/etc/pwd\");\n" + |
| " sink {}\n" + |
| "}", |
| }, |
| new String[] { |
| "Evaluate malicious codes in GroovyShell from inside DSL to get rid of outer DSL restriction", |
| "" + |
| "filter {\n" + |
| " new GroovyShell().evaluate('malicious codes or URL')\n" + |
| " sink {}\n" + |
| "}", |
| }, |
| new String[] { |
| "disallowed methods", |
| "filter {\n" + |
| "java.util.Collections.singleton(1)" + |
| "}", |
| } |
| ); |
| } |
| |
| @Parameterized.Parameter() |
| public String name; |
| |
| @Parameterized.Parameter(1) |
| public String script; |
| |
| final ModuleManager manager = mock(ModuleManager.class); |
| |
| @Before |
| public void setup() { |
| Whitebox.setInternalState(manager, "isInPrepareStage", false); |
| when(manager.find(anyString())).thenReturn(mock(ModuleProviderHolder.class)); |
| when(manager.find(CoreModule.NAME).provider()).thenReturn(mock(ModuleServiceHolder.class)); |
| when(manager.find(CoreModule.NAME).provider().getService(SourceReceiver.class)) |
| .thenReturn(mock(SourceReceiver.class)); |
| when(manager.find(CoreModule.NAME).provider().getService(ConfigService.class)) |
| .thenReturn(mock(ConfigService.class)); |
| when(manager.find(CoreModule.NAME) |
| .provider() |
| .getService(ConfigService.class) |
| .getSearchableLogsTags()) |
| .thenReturn(""); |
| } |
| |
| @Test(expected = MultipleCompilationErrorsException.class) |
| public void testSecurity() throws ModuleStartException { |
| final DSL dsl = DSL.of(manager, new LogAnalyzerModuleConfig(), script); |
| Whitebox.setInternalState( |
| Whitebox.getInternalState(dsl, "filterSpec"), "sinkListenerFactories", Collections.emptyList() |
| ); |
| |
| dsl.bind(new Binding().log(LogData.newBuilder())); |
| dsl.evaluate(); |
| } |
| } |