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Fix security vulnerability that the blacklists are bypassed. (#11)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,101 @@ | ||
| /* | ||
| * 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 com.alipay.stc; | ||
|
|
||
| import com.caucho.hessian.io.Hessian2Input; | ||
| import com.caucho.hessian.io.HessianInput; | ||
| import com.caucho.hessian.io.SerializerFactory; | ||
| import org.junit.Assert; | ||
| import org.junit.Test; | ||
|
|
||
| import java.io.ByteArrayInputStream; | ||
| import java.io.IOException; | ||
| import java.util.HashMap; | ||
| import java.util.Map; | ||
|
|
||
| /** | ||
| * 通过数组等其他方式绕过安全黑名单的case | ||
| */ | ||
| public class ArrayInjectTest { | ||
|
|
||
| @Test | ||
| public void testHessian2Array() throws IOException { | ||
| SerializerFactory factory = new SerializerFactory(); | ||
| String s = "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"; | ||
| byte[] bs = hex2byte(s.getBytes()); | ||
| Assert.assertTrue(s.equalsIgnoreCase(byte2hex(bs))); | ||
|
|
||
| ByteArrayInputStream input = new ByteArrayInputStream(bs, 0, bs.length); | ||
| Hessian2Input hin = new Hessian2Input(input); | ||
| hin.setSerializerFactory(factory); | ||
|
|
||
| try { | ||
| hin.readObject(); | ||
| Assert.fail(); | ||
| } catch (Exception e) { | ||
| Assert.assertTrue(e instanceof IOException); | ||
| } | ||
| } | ||
|
|
||
| @Test | ||
| public void testHessian1Array() throws IOException { | ||
| SerializerFactory factory = new SerializerFactory(); | ||
| String s = "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"; | ||
| byte[] bs = hex2byte(s.getBytes()); | ||
| Assert.assertTrue(s.equalsIgnoreCase(byte2hex(bs))); | ||
|
|
||
| ByteArrayInputStream input = new ByteArrayInputStream(bs, 0, bs.length); | ||
| HessianInput hin = new HessianInput(input); | ||
| hin.setSerializerFactory(factory); | ||
|
|
||
| try { | ||
| hin.readObject(); | ||
| Assert.fail(); | ||
| } catch (Exception e) { | ||
| Assert.assertTrue(e instanceof IOException); | ||
| } | ||
| } | ||
|
|
||
| private String byte2hex(byte[] b) { | ||
| StringBuilder hs = new StringBuilder(); | ||
| String stmp; | ||
| for (int n = 0; b != null && n < b.length; n++) { | ||
| stmp = Integer.toHexString(b[n] & 0XFF); | ||
| if (stmp.length() == 1) | ||
| hs.append('0'); | ||
| hs.append(stmp); | ||
| } | ||
| return hs.toString().toUpperCase(); | ||
| } | ||
|
|
||
| /** | ||
| * 十六转byte | ||
| * | ||
| * @param b | ||
| * @return | ||
| */ | ||
| private byte[] hex2byte(byte[] b) { | ||
| if ((b.length % 2) != 0) | ||
| throw new IllegalArgumentException(); | ||
| byte[] b2 = new byte[b.length / 2]; | ||
| for (int n = 0; n < b.length; n += 2) { | ||
| String item = new String(b, n, 2); | ||
| b2[n / 2] = (byte) Integer.parseInt(item, 16); | ||
| } | ||
| return b2; | ||
| } | ||
| } |
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