tomcat8.5原始碼構建

xianghanscce發表於2020-12-09

專案原始碼構建

下載原始碼

git clone https://gitee.com/mirrors/tomcat.git
cd tomcat
# 切換分支
# git checkout -b "tomcat7.0" origin/7.0.x
git checkout -b "tomcat8.5" origin/8.5.x

匯入到IDEA中

新增pom檔案

新增pom.xml到專案根目錄

<?xml version="1.0" encoding="utf-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>
    <groupId>org.apache.tomcat</groupId>
    <artifactId>Tomcat8.5</artifactId>
    <name>Tomcat8.5</name>
    <version>8.5</version>
    <build>
        <finalName>Tomcat8.5</finalName>
        <!-- 指定原始檔為java 、test -->
        <sourceDirectory>java</sourceDirectory>
        <testSourceDirectory>test</testSourceDirectory>
        <resources>
            <resource>
                <directory>java</directory>
            </resource>
        </resources>
        <testResources>
            <testResource>
                <directory>test</directory>
            </testResource>
        </testResources>
        <plugins>
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-compiler-plugin</artifactId>
                <version>2.3</version>
                <configuration>
                    <encoding>UTF-8</encoding>
                    <!-- 指定jdk 編譯 版本 ,沒裝jdk 1.7的可以變更為1.6 -->
                    <source>1.8</source>
                    <target>1.8</target>
                </configuration>
            </plugin>
        </plugins>
    </build>
    <!-- 新增tomcat8 所需jar包依賴 -->
    <dependencies>
        <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
            <version>4.12</version>
            <scope>test</scope>
        </dependency>
        <dependency>
            <groupId>ant</groupId>
            <artifactId>ant</artifactId>
            <version>1.7.0</version>
        </dependency>
        <dependency>
            <groupId>wsdl4j</groupId>
            <artifactId>wsdl4j</artifactId>
            <version>1.6.2</version>
        </dependency>
        <dependency>
            <groupId>javax.xml</groupId>
            <artifactId>jaxrpc</artifactId>
            <version>1.1</version>
        </dependency>
        <dependency>
            <groupId>org.easymock</groupId>
            <artifactId>easymock</artifactId>
            <version>3.3</version>
        </dependency>
        <dependency>
            <groupId>org.eclipse.jdt.core.compiler</groupId>
            <artifactId>ecj</artifactId>
            <version>4.6.1</version>
        </dependency>
    </dependencies>
</project>

新增CookieFilter.java

在tomcat/test/util下新增CookieFilter.java

/*
 * 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 util;

import java.util.Locale;
import java.util.StringTokenizer;

/**
 * Processes a cookie header and attempts to obfuscate any cookie values that
 * represent session IDs from other web applications. Since session cookie names
 * are configurable, as are session ID lengths, this filter is not expected to
 * be 100% effective.
 *
 * It is required that the examples web application is removed in security
 * conscious environments as documented in the Security How-To. This filter is
 * intended to reduce the impact of failing to follow that advice. A failure by
 * this filter to obfuscate a session ID or similar value is not a security
 * vulnerability. In such instances the vulnerability is the failure to remove
 * the examples web application.
 */
public class CookieFilter {

    private static final String OBFUSCATED = "[obfuscated]";

    private CookieFilter() {
        // Hide default constructor
    }

    public static String filter(String cookieHeader, String sessionId) {

        StringBuilder sb = new StringBuilder(cookieHeader.length());

        // Cookie name value pairs are ';' separated.
        // Session IDs don't use ; in the value so don't worry about quoted
        // values that contain ;
        StringTokenizer st = new StringTokenizer(cookieHeader, ";");

        boolean first = true;
        while (st.hasMoreTokens()) {
            if (first) {
                first = false;
            } else {
                sb.append(';');
            }
            sb.append(filterNameValuePair(st.nextToken(), sessionId));
        }


        return sb.toString();
    }

    private static String filterNameValuePair(String input, String sessionId) {
        int i = input.indexOf('=');
        if (i == -1) {
            return input;
        }
        String name = input.substring(0, i);
        String value = input.substring(i + 1, input.length());

        return name + "=" + filter(name, value, sessionId);
    }

    public static String filter(String cookieName, String cookieValue, String sessionId) {
        if (cookieName.toLowerCase(Locale.ENGLISH).contains("jsessionid") &&
                (sessionId == null || !cookieValue.contains(sessionId))) {
            cookieValue = OBFUSCATED;
        }

        return cookieValue;
    }
}

修改MANIFEST.MF檔案

錯誤:

Error:osgi: [tomcat] Invalid value for Bundle-Version, @VERSION@ does not match [0-9]{1,9}(\.[0-9]{1,9}(\.[0-9]{1,9}(\.[0-9A-Za-z_-]+)?)?)?

解決

修改MANIFEST.MF檔案中所有@VERSION@為1.1

啟動項配置VM引數

路徑為tomcat原始碼專案的絕對地址

-Dcatalina.home=/Users/xianghan/work/github/tomcat
-Dcatalina.base=/Users/xianghan/work/github/tomcat
-Djava.endorsed.dirs=/Users/xianghan/work/github/tomcat/endorsed
-Djava.io.tmpdir=/Users/xianghan/work/github/tomcat/temp
-Djava.util.logging.manager=org.apache.juli.ClassLoaderLogManager
-Djava.util.logging.config.file=/Users/xianghan/work/github/tomcat/conf/logging.properties

執行Bootstrap

run Bootstrap main()

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