1 // Copyright 2021 Code Intelligence GmbH 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 15 package com.example; 16 17 import com.code_intelligence.jazzer.api.FuzzedDataProvider; 18 import java.util.Hashtable; 19 import javax.naming.Context; 20 import javax.naming.NamingException; 21 import javax.naming.directory.InitialDirContext; 22 import javax.naming.directory.SearchControls; 23 24 public class LdapDnInjection { 25 private static InitialDirContext ctx; 26 fuzzerInitialize()27 public static void fuzzerInitialize() throws NamingException { 28 Hashtable<String, String> env = new Hashtable<>(); 29 env.put(Context.INITIAL_CONTEXT_FACTORY, "com.example.ldap.MockInitialContextFactory"); 30 ctx = new InitialDirContext(env); 31 } 32 fuzzerTestOneInput(FuzzedDataProvider fuzzedDataProvider)33 public static void fuzzerTestOneInput(FuzzedDataProvider fuzzedDataProvider) throws Exception { 34 // Externally provided DN input needs to be escaped properly 35 String ou = fuzzedDataProvider.consumeRemainingAsString(); 36 String base = "ou=" + ou + ",dc=example,dc=com"; 37 ctx.search(base, "(&(uid=foo)(cn=bar))", new SearchControls()); 38 } 39 } 40