now basically works, although not tested

This commit is contained in:
davidb 2010-06-09 18:25:26 -04:00
parent 48bc1d9d5c
commit 2c81367861
3 changed files with 248 additions and 21 deletions

92
build.xml Normal file
View File

@ -0,0 +1,92 @@
<?xml version="1.0"?>
<project default="jar" basedir=".">
<property file="build.properties" />
<property file="VERSION" />
<property name="distname" value="dnssecreconciler-${version}" />
<property name="build.dir" value="build" />
<property name="build.dest" value="${build.dir}/classes" />
<property name="build.lib.dest" value="${build.dir}/lib" />
<property name="build.src" value="src" />
<property name="packages" value="com.verisignlabs.dnssec.*" />
<property name="doc.dir" value="docs" />
<property name="javadoc.dest" value="${doc.dir}/javadoc" />
<property name="lib.dir" value="lib" />
<!-- set the standard classpath -->
<path id="project.classpath">
<pathelement location="${build.dest}" />
<fileset dir="${lib.dir}" includes="*.jar,*.zip" />
</path>
<property name="project.classpath" refid="project.classpath" />
<target name="prepare-src">
<mkdir dir="${build.dest}" />
<mkdir dir="${build.lib.dest}" />
</target>
<target name="compile" depends="prepare-src" >
<javac srcdir="${build.src}"
destdir="${build.dest}"
classpathref="project.classpath"
deprecation="true"
includes="com/verisign/" />
</target>
<target name="jar" depends="usage,compile">
<jar destfile="${build.lib.dest}/dnssecreconciler.jar">
<zipfileset dir="${build.dest}" includes="**/*.class" />
<zipfileset src="${lib.dir}/dnsjava-2.0.8-vrsn-2.jar" />
<zipfileset src="${lib.dir}/log4j-1.2.15.jar" />
<manifest>
<attribute name="Main-Class"
value="com.verisign.cl.DNSSECReconciler" />
</manifest>
</jar>
</target>
<target name="javadoc" depends="usage">
<mkdir dir="${javadoc.dest}"/>
<javadoc packagenames="${packages}"
classpath="${project.classpath}"
sourcepath="${build.src}"
destdir="${javadoc.dest}"
verbose="true" author="true"
windowtitle="jdnssec-tools-${version}"
use="true">
<link href="http://java.sun.com/j2se/1.4.2/docs/api/" />
<link href="http://www.xbill.org/dnsjava/doc/" />
</javadoc>
</target>
<target name="clean" depends="usage">
<delete dir="${build.dest}" />
<delete dir="${build.lib.dest}" />
</target>
<target name="usage">
<echo message=" " />
<echo message="DNSSECReconciler v. ${version} Build System" />
<echo message="--------------------------------" />
<echo message="Available Targets:" />
<echo message=" compile - compiles the source code" />
<echo message=" jar (default) - compiles the source code, creates jar" />
<echo message=" javadoc - create javadoc from source" />
<echo message=" clean - delete class files" />
<echo message=" dist - package it up" />
<echo message=" usage - this help message" />
<echo message=" " />
</target>
</project>

View File

@ -1,10 +1,14 @@
package com.verisign.cl;
import java.io.BufferedReader;
import java.io.FileReader;
import java.io.IOException;
import java.util.*;
import org.xbill.DNS.*;
import com.verisign.tat.dnssec.CaptiveValidator;
import com.verisign.tat.dnssec.SecurityStatus;
public class DNSSECReconciler {
@ -13,6 +17,10 @@ public class DNSSECReconciler {
* query_file=queries.txt dnskey_query=net dnskey_query=edu
*/
private CaptiveValidator validator;
private SimpleResolver resolver;
private BufferedReader queryStream;
private Set<Name> zoneNames;
// Options
public String server;
@ -28,7 +36,7 @@ public class DNSSECReconciler {
/**
* Convert a query line of the form: <qname> <qtype> <flags> to a request
* message.
*
*
* @param query_line
* @return A query message
* @throws TextParseException
@ -74,24 +82,150 @@ public class DNSSECReconciler {
qclass = DClass.IN;
}
Message query = Message.newQuery(Record.newRecord(qname, qtype, qclass));
Message query = Message
.newQuery(Record.newRecord(qname, qtype, qclass));
return query;
}
public void execute() {
/**
* Fetch the next query from either the command line or the query file
*
* @return a query Message, or null if the query list is exhausted
* @throws IOException
*/
private Message nextQuery() throws IOException {
if (query != null) {
Message res = queryFromString(query);
query = null;
return res;
}
if (queryStream == null && queryFile != null) {
queryStream = new BufferedReader(new FileReader(queryFile));
}
if (queryStream != null) {
String line = queryStream.readLine();
if (line == null)
return null;
return queryFromString(line);
}
return null;
}
/**
* Figure out the correct zone from the query by comparing the qname to the
* list of trusted DNSKEY owner names.
*
* @param query
* @return a zone name
* @throws IOException
*/
private Name zoneFromQuery(Message query) throws IOException {
if (zoneNames == null) {
zoneNames = new HashSet<Name>();
for (String key : validator.listTrustedKeys()) {
String[] components = key.split("/");
Name keyname = Name.fromString(components[0]);
if (! keyname.isAbsolute()) {
keyname = Name.concatenate(keyname, Name.root);
}
zoneNames.add(keyname);
}
}
Name qname = query.getQuestion().getName();
for (Name n : zoneNames) {
if (qname.subdomain(n)) {
return n;
}
}
return null;
}
public void execute() throws IOException {
// Configure our resolver
resolver = new SimpleResolver(server);
resolver.setEDNS(0, 4096, Flags.DO, null);
// Prime the validator
if (dnskeyFile != null) {
validator.addTrustedKeysFromFile(dnskeyFile);
} else {
for (String name : dnskeyNames) {
Message query = queryFromString(name + " DNSKEY");
Message response = resolver.send(query);
validator.addTrustedKeysFromResponse(response);
}
}
// Log our set of trusted keys
for (String key : validator.listTrustedKeys()) {
System.out.println("Trusted Key: " + key);
}
// Iterate over all queries
Message query = nextQuery();
while (query != null) {
Message response = resolver.send(query);
if (response == null) {
continue;
}
Name zone = zoneFromQuery(query);
byte result = validator.validateMessage(response, zone.toString());
switch (result) {
case SecurityStatus.BOGUS:
case SecurityStatus.INVALID:
System.out.println("BOGUS Answer:");
System.out.println("Query: " + query.getQuestion());
System.out.println("Response:\n" + response);
for (String err : validator.getErrorList()) {
System.out.println("Error: " + err);
}
System.out.println("");
break;
case SecurityStatus.INSECURE:
case SecurityStatus.INDETERMINATE:
case SecurityStatus.UNCHECKED:
System.out.println("Insecure Answer:");
System.out.println("Query: " + query.getQuestion());
System.out.println("Response:\n" + response);
for (String err : validator.getErrorList()) {
System.out.println("Error: " + err);
}
break;
case SecurityStatus.SECURE:
break;
}
query = nextQuery();
}
}
private static void usage() {
System.err.println("usage: java -jar dnssecreconiler.jar [..options..]");
System.err
.println("usage: java -jar dnssecreconiler.jar [..options..]");
System.err.println(" server: the DNS server to query.");
System.err.println(" query: a name [type [flags]] string.");
System.err.println(" query_file: a list of queries, one query per line.");
System.err.println(" dnskey_file: a file containing DNSKEY RRs to trust.");
System.err.println(" dnskey_query: query 'server' for DNSKEY at given name to trust, may repeat");
System.err
.println(" query_file: a list of queries, one query per line.");
System.err
.println(" dnskey_file: a file containing DNSKEY RRs to trust.");
System.err
.println(" dnskey_query: query 'server' for DNSKEY at given name to trust, may repeat");
}
public static int main(String[] argv) {
public static void main(String[] argv) {
DNSSECReconciler dr = new DNSSECReconciler();
@ -102,15 +236,17 @@ public class DNSSECReconciler {
if (arg.indexOf('=') < 0) {
System.err.println("Unrecognized option: " + arg);
usage();
return 1;
System.exit(1);
}
String[] split_arg = arg.split("[ \t]*=[ \t]*", 2);
String[] split_arg = arg.split("=", 2);
String opt = split_arg[0];
String optarg = split_arg[1];
if (opt.equals("server")) {
dr.server = optarg;
} else if (opt.equals("query")) {
dr.query = optarg;
} else if (opt.equals("query_file")) {
dr.queryFile = optarg;
} else if (opt.equals("dnskey_file")) {
@ -123,7 +259,7 @@ public class DNSSECReconciler {
} else {
System.err.println("Unrecognized option: " + opt);
usage();
return 1;
System.exit(1);
}
}
@ -131,17 +267,19 @@ public class DNSSECReconciler {
if (dr.server == null) {
System.err.println("'server' must be specified");
usage();
return 1;
System.exit(1);
}
if (dr.query == null && dr.queryFile == null) {
System.err.println("Either 'query' or 'query_file' must be specified");
System.err
.println("Either 'query' or 'query_file' must be specified");
usage();
return 1;
System.exit(1);
}
if (dr.dnskeyFile == null && dr.dnskeyNames == null) {
System.err.println("Either 'dnskey_file' or 'dnskey_query' must be specified");
System.err
.println("Either 'dnskey_file' or 'dnskey_query' must be specified");
usage();
return 1;
System.exit(1);
}
// Execute the job
@ -149,9 +287,7 @@ public class DNSSECReconciler {
} catch (Exception e) {
e.printStackTrace();
return 1;
System.exit(1);
}
return 0;
}
}

View File

@ -943,8 +943,7 @@ public class CaptiveValidator {
return SecurityStatus.BOGUS;
}
ValUtils.ResponseType subtype = ValUtils
.classifyResponse(message, zone);
ValUtils.ResponseType subtype = ValUtils.classifyResponse(message, zone);
switch (subtype) {
case POSITIVE: