1 // Copyright 2023 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.io.IOException; 19 import java.net.*; 20 import java.net.http.HttpClient; 21 import java.net.http.HttpRequest; 22 import java.net.http.HttpResponse; 23 24 public class SsrfHttpClient { 25 private static final HttpClient CLIENT = 26 HttpClient.newBuilder().version(HttpClient.Version.HTTP_1_1).build(); 27 fuzzerTestOneInput(FuzzedDataProvider data)28 public static void fuzzerTestOneInput(FuzzedDataProvider data) 29 throws IOException, InterruptedException { 30 String hostname = data.consumeString(15); 31 URI uri; 32 try { 33 uri = URI.create("https://" + hostname); 34 HttpRequest request = HttpRequest.newBuilder().uri(uri).GET().build(); 35 CLIENT.send(request, HttpResponse.BodyHandlers.ofString()); 36 } catch (IllegalArgumentException ignored) { 37 } 38 } 39 } 40