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| <%@ page import="java.lang.reflect.Field" %>
<%@ page import="org.apache.catalina.core.ApplicationContext" %>
<%@ page import="org.apache.catalina.core.StandardContext" %>
<%@ page import="org.apache.tomcat.util.descriptor.web.FilterDef" %>
<%@ page import="java.util.HashMap" %>
<%@ page import="org.apache.tomcat.util.descriptor.web.FilterMap" %>
<%@ page import="java.lang.reflect.Method" %>
<%@ page import="org.apache.catalina.startup.ContextConfig" %>
<%@ page import="org.xml.sax.InputSource" %>
<%@ page import="java.lang.reflect.Constructor" %>
<%@ page import="org.apache.tomcat.util.descriptor.web.WebXml" %>
<%@ page import="org.apache.tomcat.util.descriptor.web.WebXmlParser" %>
<%@ page import="java.util.Set" %>
<%@ page import="java.util.HashSet" %>
<%@ page import="org.apache.catalina.Container" %>
<%@ page import="org.apache.catalina.core.StandardWrapper" %>
<%@ page import="java.net.URL" %>
<%@ page import="com.sun.org.apache.bcel.internal.Repository" %>
<%@ page import="com.sun.org.apache.bcel.internal.classfile.JavaClass" %>
<%@ page import="java.io.*" %>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
<title>Scanner</title>
</head>
<body>
<%!
private boolean isshell;
%>
<%
String paths = request.getRequestURI();
request.setCharacterEncoding("GBK");
ServletContext servletContext = request.getServletContext();
Field context = servletContext.getClass().getDeclaredField("context");
context.setAccessible(true);
ApplicationContext applicationContext = (ApplicationContext) context.get(servletContext);
Field standardcontext = applicationContext.getClass().getDeclaredField("context");
standardcontext.setAccessible(true);
StandardContext standardContext = (StandardContext) standardcontext.get(applicationContext);
FilterMap[] filterMaps = standardContext.findFilterMaps();
FilterDef[] filterDefs = standardContext.findFilterDefs();
PrintWriter printWriter = response.getWriter();
String remove = request.getParameter("removefilter");
if(remove!=null){
for(FilterDef filterDef:filterDefs){
if(filterDef.getFilterName().equals(remove)){
standardContext.removeFilterDef(filterDef);
}
}
for(FilterMap filterMap :filterMaps){
if(filterMap.getFilterName().equals(remove)){
standardContext.removeFilterMap(filterMap);
}
}
}
else {
HashMap hashMap = new HashMap();
printWriter.println("<h1>s1mple-Scanner</h1>");
Class contextConfigclass = ContextConfig.class;
Constructor constructor = contextConfigclass.getDeclaredConstructor();
ContextConfig contextConfig = (ContextConfig) constructor.newInstance();
Field contexts = contextConfigclass.getDeclaredField("context");
contexts.setAccessible(true);
contexts.set(contextConfig, standardContext);
Method getContextWebXmlSource = contextConfigclass.getDeclaredMethod("getContextWebXmlSource", (Class[]) null);
getContextWebXmlSource.setAccessible(true);
InputSource source = (InputSource) getContextWebXmlSource.invoke(contextConfig, (Object[]) null);
WebXmlParser webXmlParser = new WebXmlParser(standardContext.getXmlNamespaceAware(), standardContext.getXmlValidation(), standardContext.getXmlBlockExternal());
WebXml webXml = new WebXml();
Set<WebXml> defaults = new HashSet();
Method getDefaultWebXmlFragment = contextConfigclass.getDeclaredMethod("getDefaultWebXmlFragment", WebXmlParser.class);
getDefaultWebXmlFragment.setAccessible(true);
defaults.add((WebXml) getDefaultWebXmlFragment.invoke(contextConfig, webXmlParser));
boolean bol = webXmlParser.parseWebXml(source, webXml, false);
HashMap<String, FilterDef> Filter = (HashMap<String, FilterDef>) webXml.getFilters();
Set<String> real_filter = Filter.keySet();
for (FilterDef filterDef:filterDefs) {
String filtername = filterDef.getFilterName();
for (String real_Filter : real_filter) {
if (!filtername.equals(real_Filter) && !filtername.equals("Tomcat WebSocket (JSR356) Filter")) {
this.isshell = true;
}
}
if (this.isshell == true) {
String filterclass = filterDef.getFilterClass();
String path = filterclass.replace(".","/")+".class";
File file = new File(path);
if(!file.exists()) {
hashMap.put(filtername, "shell");
this.isshell = false;
}
}
}
printWriter.println("<h2>Filter---Result</h2>");
printWriter.println("shell--->");
printWriter.println(hashMap);
printWriter.println("<br>");
for(Object key: hashMap.keySet()){
printWriter.println(key);
printWriter.println("<a href = "+paths+"?removefilter="+key+">delete</a>");
printWriter.println("<br>");
}
}
Container[] Childrens = (Container[]) standardContext.findChildren();
printWriter.println("<h2>Servlet---Result</h2>");
HashMap hashMap1 = new HashMap();
for(Container wrapper : Childrens) {
String url_some = request.getParameter("removeServlet");
if (url_some != null) {
if(wrapper.getName().equals(url_some)) {
standardContext.removeChild(wrapper);
}
} else {
StandardWrapper standardWrapper = (StandardWrapper) wrapper;
Servlet servlet = standardWrapper.getServlet();
String servletname = standardWrapper.getServletName();
if (servlet != null) {
String servletclass = standardWrapper.getServletClass();
Class servletClass = servlet.getClass();
String servletpath = (servletclass.replace(".", "/") + ".class");
URL url = servlet.getClass().getClassLoader().getResource(servletpath);
Class classLoader = servletClass.getClassLoader().getClass();
String clastr = "org.apache.catalina.loader.WebappClassLoaderBase";
Class webappClassLoader = Class.forName(clastr);
JavaClass javaclass = Repository.lookupClass(servletClass);
File file = new File("/tmp/s1mple");
javaclass.dump(file);
BufferedReader bufferedReader = new BufferedReader(new FileReader(file));
String content = bufferedReader.readLine();
String filecontent = null;
while (content != null) {
filecontent = filecontent + content;
content = bufferedReader.readLine();
}
if (filecontent.contains("getRuntime") || filecontent.contains("exec(") || filecontent.contains("ProcessBuilder") || filecontent.contains("ProcessImpl") || filecontent.contains("shell")) {
if (!webappClassLoader.isAssignableFrom(classLoader)) {
hashMap1.put(servletname, "isShell");
} else {
hashMap1.put(servletname, "maybeShell");
}
continue;
}
else{
String strclassloader = String.valueOf(classLoader);
if (strclassloader.contains("TemplatesImpl")) {
hashMap1.put(servletname, "very--maybeShell");
}
}
} else {
continue;
}
}
}
printWriter.println("shell--->");
printWriter.println(hashMap1);
printWriter.println("<br>");
for(Object key: hashMap1.keySet()){
printWriter.println(key);
printWriter.println("<a href = "+paths+"?removeServlet="+key+">delete</a>");
printWriter.println("<br>");
}
%>
</body>
</html>
|
