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-rw-r--r--build.gradle2
-rw-r--r--libs/minidns/.gitignore107
-rw-r--r--libs/minidns/LICENCE4
-rw-r--r--libs/minidns/LICENCE_APACHE178
-rw-r--r--libs/minidns/LICENCE_LGPL2.1503
-rw-r--r--libs/minidns/LICENCE_WTFPL13
-rw-r--r--libs/minidns/README.md8
-rw-r--r--libs/minidns/build.gradle80
-rw-r--r--libs/minidns/gradle.properties.example21
-rw-r--r--libs/minidns/src/main/java/de/measite/minidns/Client.java323
-rw-r--r--libs/minidns/src/main/java/de/measite/minidns/DNSCache.java23
-rw-r--r--libs/minidns/src/main/java/de/measite/minidns/DNSMessage.java524
-rw-r--r--libs/minidns/src/main/java/de/measite/minidns/LRUCache.java139
-rw-r--r--libs/minidns/src/main/java/de/measite/minidns/Question.java158
-rw-r--r--libs/minidns/src/main/java/de/measite/minidns/Record.java343
-rw-r--r--libs/minidns/src/main/java/de/measite/minidns/record/A.java43
-rw-r--r--libs/minidns/src/main/java/de/measite/minidns/record/AAAA.java49
-rw-r--r--libs/minidns/src/main/java/de/measite/minidns/record/CNAME.java46
-rw-r--r--libs/minidns/src/main/java/de/measite/minidns/record/Data.java34
-rw-r--r--libs/minidns/src/main/java/de/measite/minidns/record/NS.java15
-rw-r--r--libs/minidns/src/main/java/de/measite/minidns/record/PTR.java19
-rw-r--r--libs/minidns/src/main/java/de/measite/minidns/record/SRV.java124
-rw-r--r--libs/minidns/src/main/java/de/measite/minidns/record/TXT.java65
-rw-r--r--libs/minidns/src/main/java/de/measite/minidns/util/NameUtil.java129
24 files changed, 1 insertions, 2949 deletions
diff --git a/build.gradle b/build.gradle
index 3a198e6d..19079c51 100644
--- a/build.gradle
+++ b/build.gradle
@@ -28,7 +28,6 @@ repositories {
}
dependencies {
- compile project(':libs:minidns')
compile project(':libs:openpgp-api-lib')
compile project(':libs:MemorizingTrustManager')
compile 'com.android.support:support-v13:21.0.3'
@@ -37,6 +36,7 @@ dependencies {
compile 'org.gnu.inet:libidn:1.15'
compile 'com.google.zxing:core:3.1.0'
compile 'com.google.zxing:android-integration:3.1.0'
+ compile 'de.measite.minidns:minidns:0.1.3'
}
android {
diff --git a/libs/minidns/.gitignore b/libs/minidns/.gitignore
deleted file mode 100644
index 2362cd05..00000000
--- a/libs/minidns/.gitignore
+++ /dev/null
@@ -1,107 +0,0 @@
-# From https://github.com/github/gitignore
-
-# # # # # # # # # # # #
-# Android gitignore #
-# # # # # # # # # # # #
-
-# Built application files
-*.apk
-*.ap_
-
-# Files for the Dalvik VM
-*.dex
-
-# Java class files
-*.class
-
-# Generated files
-bin/
-gen/
-
-# Gradle files
-.gradle/
-build/
-
-# Local configuration file (sdk path, etc)
-local.properties
-gradle.properties
-
-# Proguard folder generated by Eclipse
-proguard/
-
-# # # # # # # #
-# VIM / Linux #
-# # # # # # # #
-
-[._]*.s[a-w][a-z]
-[._]s[a-w][a-z]
-*.un~
-Session.vim
-.netrwhist
-*~
-.directory
-
-# # # # # #
-# Eclipse #
-# # # # # #
-
-*.pydevproject
-.metadata
-.gradle
-bin/
-tmp/
-*.tmp
-*.bak
-*.swp
-*~.nib
-local.properties
-.settings/
-.loadpath
-.classpath
-.project
-
-# External tool builders
-.externalToolBuilders/
-
-# Locally stored "Eclipse launch configurations"
-*.launch
-
-# CDT-specific
-.cproject
-
-# PDT-specific
-.buildpath
-
-# sbteclipse plugin
-.target
-
-# TeXlipse plugin
-.texlipse
-
-# # # # #
-# OS X #
-# # # # #
-
-.DS_Store
-.AppleDouble
-.LSOverride
-
-# Icon must ends with two \r.
-Icon
-
-
-# Thumbnails
-._*
-
-# Files that might appear on external disk
-.Spotlight-V100
-.Trashes
-
-# Directories potentially created on remote AFP share
-.AppleDB
-.AppleDesktop
-Network Trash Folder
-Temporary Items
-.apdisk
-
-
diff --git a/libs/minidns/LICENCE b/libs/minidns/LICENCE
deleted file mode 100644
index 4c2ee7c0..00000000
--- a/libs/minidns/LICENCE
+++ /dev/null
@@ -1,4 +0,0 @@
-This software may be used under the terms of (at your choice)
-- LGPL version 2 (or later) (see LICENCE_LGPL2.1 for details)
-- Apache Software licence (see LICENCE_APACHE for details)
-- WTFPL (see LICENCE_WTFPL for details)
diff --git a/libs/minidns/LICENCE_APACHE b/libs/minidns/LICENCE_APACHE
deleted file mode 100644
index e454a525..00000000
--- a/libs/minidns/LICENCE_APACHE
+++ /dev/null
@@ -1,178 +0,0 @@
-
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- Version 2.0, January 2004
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- TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
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diff --git a/libs/minidns/LICENCE_LGPL2.1 b/libs/minidns/LICENCE_LGPL2.1
deleted file mode 100644
index 51a70cae..00000000
--- a/libs/minidns/LICENCE_LGPL2.1
+++ /dev/null
@@ -1,503 +0,0 @@
- GNU LESSER GENERAL PUBLIC LICENSE
- Version 2.1, February 1999
-
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- 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- Everyone is permitted to copy and distribute verbatim copies
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- 13. The Free Software Foundation may publish revised and/or new
-versions of the Lesser General Public License from time to time.
-Such new versions will be similar in spirit to the present version,
-but may differ in detail to address new problems or concerns.
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-specifies a version number of this License which applies to it and
-"any later version", you have the option of following the terms and
-conditions either of that version or of any later version published by
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-WRITING WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY
-AND/OR REDISTRIBUTE THE LIBRARY AS PERMITTED ABOVE, BE LIABLE TO YOU
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-LIBRARY (INCLUDING BUT NOT LIMITED TO LOSS OF DATA OR DATA BEING
-RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD PARTIES OR A
-FAILURE OF THE LIBRARY TO OPERATE WITH ANY OTHER SOFTWARE), EVEN IF
-SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
-DAMAGES.
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-
- How to Apply These Terms to Your New Libraries
-
- If you develop a new library, and you want it to be of the greatest
-possible use to the public, we recommend making it free software that
-everyone can redistribute and change. You can do so by permitting
-redistribution under these terms (or, alternatively, under the terms of the
-ordinary General Public License).
-
- To apply these terms, attach the following notices to the library. It is
-safest to attach them to the start of each source file to most effectively
-convey the exclusion of warranty; and each file should have at least the
-"copyright" line and a pointer to where the full notice is found.
-
- <one line to give the library's name and a brief idea of what it does.>
- Copyright (C) <year> <name of author>
-
- This library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public
- License as published by the Free Software Foundation; either
- version 2.1 of the License, or (at your option) any later version.
-
- This library is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public
- License along with this library; if not, write to the Free Software
- Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
-
-Also add information on how to contact you by electronic and paper mail.
-
-You should also get your employer (if you work as a programmer) or your
-school, if any, to sign a "copyright disclaimer" for the library, if
-necessary. Here is a sample; alter the names:
-
- Yoyodyne, Inc., hereby disclaims all copyright interest in the
- library `Frob' (a library for tweaking knobs) written by James Random Hacker.
-
- <signature of Ty Coon>, 1 April 1990
- Ty Coon, President of Vice
-
-That's all there is to it!
-
diff --git a/libs/minidns/LICENCE_WTFPL b/libs/minidns/LICENCE_WTFPL
deleted file mode 100644
index 652d3783..00000000
--- a/libs/minidns/LICENCE_WTFPL
+++ /dev/null
@@ -1,13 +0,0 @@
- DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE
- Version 2, December 2004
-
- Copyright (C) 2014 Rene Treffer <treffer+wtfpl@measite.de>
-
- Everyone is permitted to copy and distribute verbatim or modified
- copies of this license document, and changing it is allowed as long
- as the name is changed.
-
- DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE
- TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
-
- 0. You just DO WHAT THE FUCK YOU WANT TO.
diff --git a/libs/minidns/README.md b/libs/minidns/README.md
deleted file mode 100644
index 3c1417a1..00000000
--- a/libs/minidns/README.md
+++ /dev/null
@@ -1,8 +0,0 @@
-MiniDNS
--------
-
-MiniDNS is a minimal dns client library for android. It can parse a basic set
-of resource records (A, AAAA, NS, SRV) and is easy to use and extend.
-
-This library is not intended to be used as a DNS server. You might want to
-look into dnsjava for such functionality.
diff --git a/libs/minidns/build.gradle b/libs/minidns/build.gradle
deleted file mode 100644
index c9b93467..00000000
--- a/libs/minidns/build.gradle
+++ /dev/null
@@ -1,80 +0,0 @@
-apply plugin: 'java'
-apply plugin: 'eclipse'
-apply plugin: 'osgi'
-apply plugin: 'nexus'
-
-buildscript {
- repositories {
- jcenter()
- mavenLocal()
- mavenCentral()
- }
-
- dependencies {
- classpath 'org.gradle.api.plugins:gradle-nexus-plugin:0.7.1'
- }
-}
-
-group = 'de.measite.minidns'
-description = "A minimal DNS client library with support for A, AAAA, NS and SRV records"
-sourceCompatibility = 1.7
-version = 'git tag --points-at HEAD'.execute().text.trim()
-
-ext {
- isSNAPSHOT = 'git rev-parse --abbrev-ref HEAD'.execute().text.trim() == 'master'
-}
-
-if (isSNAPSHOT) {
- version = version + '-SNAPSHOT'
-}
-
-repositories {
- mavenLocal()
- mavenCentral()
-}
-
-nexus {
- attachSources = true
- attachTests = false
- attachJavadoc = true
- sign = true
-}
-
-modifyPom {
- project {
- name 'minidns'
- description 'Minimal DNS library for java and android systems'
- url 'https://github.com/rtreffer/minidns'
- inceptionYear '2014'
-
- scm {
- url 'https://github.com/rtreffer/minidns'
- connection 'scm:https://github.com/rtreffer/minidns'
- developerConnection 'scm:git://github.com/rtreffer/minidns.git'
- }
-
- licenses {
- license {
- name 'The Apache Software License, Version 2.0'
- url 'http://www.apache.org/licenses/LICENSE-2.0.txt'
- distribution 'repo'
- }
- }
-
- developers {
- developer {
- id 'rtreffer'
- name 'Rene Treffer'
- email 'treffer@measite.de'
- }
- developer {
- id 'flow'
- name 'Florian Schmaus'
- email 'flow@geekplace.eu'
- }
- }
- }
-}
-
-dependencies {
-}
diff --git a/libs/minidns/gradle.properties.example b/libs/minidns/gradle.properties.example
deleted file mode 100644
index 68ffc418..00000000
--- a/libs/minidns/gradle.properties.example
+++ /dev/null
@@ -1,21 +0,0 @@
-# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # #
-#
-# GPG settings
-#
-
-# gpg key id
-#signing.keyId=DEADBEEF
-# the gpg key passphrase
-#signing.password=correcthorsebatterystaple
-# gpg keyring (this is the default gnupg keyring containing private keys)
-#signing.secretKeyRingFile=/home/ubuntu/.gnupg/secring.gpg
-
-# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # #
-#
-# nexus settings
-#
-
-# the nexus username used for log in
-#nexusUsername=ubuntu
-# the nexus password
-#nexusPassword=correcthorsebatterystaple
diff --git a/libs/minidns/src/main/java/de/measite/minidns/Client.java b/libs/minidns/src/main/java/de/measite/minidns/Client.java
deleted file mode 100644
index 827aa772..00000000
--- a/libs/minidns/src/main/java/de/measite/minidns/Client.java
+++ /dev/null
@@ -1,323 +0,0 @@
-package de.measite.minidns;
-
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.InputStreamReader;
-import java.io.LineNumberReader;
-import java.lang.reflect.Method;
-import java.net.DatagramPacket;
-import java.net.DatagramSocket;
-import java.net.InetAddress;
-import java.security.NoSuchAlgorithmException;
-import java.security.SecureRandom;
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.HashSet;
-import java.util.Random;
-import java.util.logging.Level;
-import java.util.logging.Logger;
-
-import de.measite.minidns.Record.CLASS;
-import de.measite.minidns.Record.TYPE;
-
-/**
- * A minimal DNS client for SRV/A/AAAA/NS and CNAME lookups, with IDN support.
- * This circumvents the missing javax.naming package on android.
- */
-public class Client {
-
- private static final Logger LOGGER = Logger.getLogger(Client.class.getName());
-
- /**
- * The internal random class for sequence generation.
- */
- protected Random random;
-
- /**
- * The buffer size for dns replies.
- */
- protected int bufferSize = 1500;
-
- /**
- * DNS timeout.
- */
- protected int timeout = 5000;
-
- /**
- * The internal DNS cache.
- */
- protected DNSCache cache;
-
- /**
- * Create a new DNS client with the given DNS cache.
- * @param cache The backend DNS cache.
- */
- public Client(DNSCache cache) {
- try {
- random = SecureRandom.getInstance("SHA1PRNG");
- } catch (NoSuchAlgorithmException e1) {
- random = new SecureRandom();
- }
- this.cache = cache;
- }
-
- /**
- * Create a new DNS client.
- */
- public Client() {
- this(null);
- }
-
- /**
- * Query a nameserver for a single entry.
- * @param name The DNS name to request.
- * @param type The DNS type to request (SRV, A, AAAA, ...).
- * @param clazz The class of the request (usually IN for Internet).
- * @param host The DNS server host.
- * @param port The DNS server port.
- * @return The response (or null on timeout / failure).
- * @throws IOException On IO Errors.
- */
- public DNSMessage query(String name, TYPE type, CLASS clazz, String host, int port)
- throws IOException
- {
- Question q = new Question(name, type, clazz);
- return query(q, host, port);
- }
-
- /**
- * Query a nameserver for a single entry.
- * @param name The DNS name to request.
- * @param type The DNS type to request (SRV, A, AAAA, ...).
- * @param clazz The class of the request (usually IN for Internet).
- * @param host The DNS server host.
- * @return The response (or null on timeout / failure).
- * @throws IOException On IO Errors.
- */
- public DNSMessage query(String name, TYPE type, CLASS clazz, String host)
- throws IOException
- {
- Question q = new Question(name, type, clazz);
- return query(q, host);
- }
-
- /**
- * Query the system nameserver for a single entry.
- * @param name The DNS name to request.
- * @param type The DNS type to request (SRV, A, AAAA, ...).
- * @param clazz The class of the request (usually IN for Internet).
- * @return The response (or null on timeout/error).
- * @return The DNSMessage reply or null.
- */
- public DNSMessage query(String name, TYPE type, CLASS clazz)
- {
- Question q = new Question(name, type, clazz);
- return query(q);
- }
-
- /**
- * Query a specific server for one entry.
- * @param q The question section of the DNS query.
- * @param host The dns server host.
- * @return The response (or null on timeout/error).
- * @throws IOException On IOErrors.
- */
- public DNSMessage query(Question q, String host) throws IOException {
- return query(q, host, 53);
- }
-
- /**
- * Query a specific server for one entry.
- * @param q The question section of the DNS query.
- * @param host The dns server host.
- * @param port the dns port.
- * @return The response (or null on timeout/error).
- * @throws IOException On IOErrors.
- */
- public DNSMessage query(Question q, String host, int port) throws IOException {
- DNSMessage dnsMessage = (cache == null) ? null : cache.get(q);
- if (dnsMessage != null) {
- return dnsMessage;
- }
- DNSMessage message = new DNSMessage();
- message.setQuestions(new Question[]{q});
- message.setRecursionDesired(true);
- message.setId(random.nextInt());
- byte[] buf = message.toArray();
- try (DatagramSocket socket = new DatagramSocket()) {
- DatagramPacket packet = new DatagramPacket(buf, buf.length,
- InetAddress.getByName(host), port);
- socket.setSoTimeout(timeout);
- socket.send(packet);
- packet = new DatagramPacket(new byte[bufferSize], bufferSize);
- socket.receive(packet);
- dnsMessage = DNSMessage.parse(packet.getData());
- if (dnsMessage.getId() != message.getId()) {
- return null;
- }
- for (Record record : dnsMessage.getAnswers()) {
- if (record.isAnswer(q)) {
- if (cache != null) {
- cache.put(q, dnsMessage);
- }
- break;
- }
- }
- return dnsMessage;
- }
- }
-
- /**
- * Query the system DNS server for one entry.
- * @param q The question section of the DNS query.
- * @return The response (or null on timeout/error).
- */
- public DNSMessage query(Question q) {
- // While this query method does in fact re-use query(Question, String)
- // we still do a cache lookup here in order to avoid unnecessary
- // findDNS()calls, which are expensive on Android. Note that we do not
- // put the results back into the Cache, as this is already done by
- // query(Question, String).
- DNSMessage message = cache.get(q);
- if (message != null) {
- return message;
- }
- String dnsServer[] = findDNS();
- for (String dns : dnsServer) {
- try {
- message = query(q, dns);
- if (message == null) {
- continue;
- }
- if (message.getResponseCode() !=
- DNSMessage.RESPONSE_CODE.NO_ERROR) {
- continue;
- }
- for (Record record: message.getAnswers()) {
- if (record.isAnswer(q)) {
- return message;
- }
- }
- } catch (IOException ioe) {
- LOGGER.log(Level.FINE, "IOException in query", ioe);
- }
- }
- return null;
- }
-
- /**
- * Retrieve a list of currently configured DNS servers.
- * @return The server array.
- */
- public String[] findDNS() {
- String[] result = findDNSByReflection();
- if (result != null) {
- LOGGER.fine("Got DNS servers via reflection: " + Arrays.toString(result));
- return result;
- }
-
- result = findDNSByExec();
- if (result != null) {
- LOGGER.fine("Got DNS servers via exec: " + Arrays.toString(result));
- return result;
- }
-
- // fallback for ipv4 and ipv6 connectivity
- // see https://developers.google.com/speed/public-dns/docs/using
- LOGGER.fine("No DNS found? Using fallback [8.8.8.8, [2001:4860:4860::8888]]");
-
- return new String[]{"8.8.8.8", "[2001:4860:4860::8888]"};
- }
-
- /**
- * Try to retrieve the list of dns server by executing getprop.
- * @return Array of servers, or null on failure.
- */
- protected String[] findDNSByExec() {
- try {
- Process process = Runtime.getRuntime().exec("getprop");
- InputStream inputStream = process.getInputStream();
- LineNumberReader lnr = new LineNumberReader(
- new InputStreamReader(inputStream));
- String line = null;
- HashSet<String> server = new HashSet<String>(6);
- while ((line = lnr.readLine()) != null) {
- int split = line.indexOf("]: [");
- if (split == -1) {
- continue;
- }
- String property = line.substring(1, split);
- String value = line.substring(split + 4, line.length() - 1);
- if (property.endsWith(".dns") || property.endsWith(".dns1") ||
- property.endsWith(".dns2") || property.endsWith(".dns3") ||
- property.endsWith(".dns4")) {
-
- // normalize the address
-
- InetAddress ip = InetAddress.getByName(value);
-
- if (ip == null) continue;
-
- value = ip.getHostAddress();
-
- if (value == null) continue;
- if (value.length() == 0) continue;
-
- server.add(value);
- }
- }
- if (server.size() > 0) {
- return server.toArray(new String[server.size()]);
- }
- } catch (IOException e) {
- LOGGER.log(Level.WARNING, "Exception in findDNSByExec", e);
- }
- return null;
- }
-
- /**
- * Try to retrieve the list of dns server by calling SystemProperties.
- * @return Array of servers, or null on failure.
- */
- protected String[] findDNSByReflection() {
- try {
- Class<?> SystemProperties =
- Class.forName("android.os.SystemProperties");
- Method method = SystemProperties.getMethod("get",
- new Class[] { String.class });
-
- ArrayList<String> servers = new ArrayList<String>(5);
-
- for (String propKey : new String[] {
- "net.dns1", "net.dns2", "net.dns3", "net.dns4"}) {
-
- String value = (String)method.invoke(null, propKey);
-
- if (value == null) continue;
- if (value.length() == 0) continue;
- if (servers.contains(value)) continue;
-
- InetAddress ip = InetAddress.getByName(value);
-
- if (ip == null) continue;
-
- value = ip.getHostAddress();
-
- if (value == null) continue;
- if (value.length() == 0) continue;
- if (servers.contains(value)) continue;
-
- servers.add(value);
- }
-
- if (servers.size() > 0) {
- return servers.toArray(new String[servers.size()]);
- }
- } catch (Exception e) {
- // we might trigger some problems this way
- LOGGER.log(Level.WARNING, "Exception in findDNSByReflection", e);
- }
- return null;
- }
-
-}
diff --git a/libs/minidns/src/main/java/de/measite/minidns/DNSCache.java b/libs/minidns/src/main/java/de/measite/minidns/DNSCache.java
deleted file mode 100644
index 14a3a776..00000000
--- a/libs/minidns/src/main/java/de/measite/minidns/DNSCache.java
+++ /dev/null
@@ -1,23 +0,0 @@
-package de.measite.minidns;
-
-/**
- * Cache for DNS Entries. Implementations must be thread safe.
- */
-public interface DNSCache {
-
- /**
- * Add an an dns answer/response for a given dns question. Implementations
- * should honor the ttl / receive timestamp.
- * @param q The question.
- * @param message The dns message.
- */
- void put(Question q, DNSMessage message);
-
- /**
- * Request a cached dns response.
- * @param q The dns question.
- * @return The dns message.
- */
- DNSMessage get(Question q);
-
-}
diff --git a/libs/minidns/src/main/java/de/measite/minidns/DNSMessage.java b/libs/minidns/src/main/java/de/measite/minidns/DNSMessage.java
deleted file mode 100644
index ab2535ce..00000000
--- a/libs/minidns/src/main/java/de/measite/minidns/DNSMessage.java
+++ /dev/null
@@ -1,524 +0,0 @@
-package de.measite.minidns;
-
-import java.io.ByteArrayInputStream;
-import java.io.ByteArrayOutputStream;
-import java.io.DataInputStream;
-import java.io.DataOutputStream;
-import java.io.IOException;
-import java.util.Arrays;
-
-/**
- * A DNS message as defined by rfc1035. The message consists of a header and
- * 4 sections: question, answer, nameserver and addition resource record
- * section.
- * A message can either be parsed ({@link DNSMessage#parse(byte[])}) or serialized
- * ({@link DNSMessage#toArray()}).
- */
-public class DNSMessage {
-
- /**
- * Possible DNS reply codes.
- */
- public static enum RESPONSE_CODE {
- NO_ERROR(0), FORMAT_ERR(1), SERVER_FAIL(2), NX_DOMAIN(3),
- NO_IMP(4), REFUSED(5), YXDOMAIN(6), YXRRSET(7),
- NXRRSET(8), NOT_AUTH(9),NOT_ZONE(10);
-
- /**
- * Reverse lookup table for response codes.
- */
- private final static RESPONSE_CODE INVERSE_LUT[] = new RESPONSE_CODE[]{
- NO_ERROR, FORMAT_ERR, SERVER_FAIL, NX_DOMAIN, NO_IMP,
- REFUSED, YXDOMAIN, YXRRSET, NXRRSET, NOT_AUTH, NOT_ZONE,
- null, null, null, null, null
- };
-
- /**
- * The response code value.
- */
- private final byte value;
-
- /**
- * Create a new response code.
- * @param value The response code value.
- */
- private RESPONSE_CODE(int value) {
- this.value = (byte)value;
- }
-
- /**
- * Retrieve the byte value of the response code.
- * @return the response code.
- */
- public byte getValue() {
- return (byte) value;
- }
-
- /**
- * Retrieve the response code for a byte value.
- * @param value The byte value.
- * @return The symbolic response code or null.
- * @throws IllegalArgumentException if the value is not in the range of
- * 0..15.
- */
- public static RESPONSE_CODE getResponseCode(int value) {
- if (value < 0 || value > 15) {
- throw new IllegalArgumentException();
- }
- return INVERSE_LUT[value];
- }
-
- };
-
- /**
- * Symbolic DNS Opcode values.
- */
- public static enum OPCODE {
- QUERY(0),
- INVERSE_QUERY(1),
- STATUS(2),
- NOTIFY(4),
- UPDATE(5);
-
- /**
- * Lookup table for for obcode reolution.
- */
- private final static OPCODE INVERSE_LUT[] = new OPCODE[]{
- QUERY, INVERSE_QUERY, STATUS, null, NOTIFY, UPDATE, null,
- null, null, null, null, null, null, null, null
- };
-
- /**
- * The value of this opcode.
- */
- private final byte value;
-
- /**
- * Create a new opcode for a given byte value.
- * @param value The byte value of the opcode.
- */
- private OPCODE(int value) {
- this.value = (byte)value;
- }
-
- /**
- * Retrieve the byte value of this opcode.
- * @return The byte value of this opcode.
- */
- public byte getValue() {
- return value;
- }
-
- /**
- * Retrieve the symbolic name of an opcode byte.
- * @param value The byte value of the opcode.
- * @return The symbolic opcode or null.
- * @throws IllegalArgumentException If the byte value is not in the
- * range 0..15.
- */
- public static OPCODE getOpcode(int value) {
- if (value < 0 || value > 15) {
- throw new IllegalArgumentException();
- }
- return INVERSE_LUT[value];
- }
-
- };
-
- /**
- * The DNS message id.
- */
- protected int id;
-
- /**
- * The DNS message opcode.
- */
- protected OPCODE opcode;
-
- /**
- * The response code of this dns message.
- */
- protected RESPONSE_CODE responseCode;
-
- /**
- * True if this is a query.
- */
- protected boolean query;
-
- /**
- * True if this is a authorative response.
- */
- protected boolean authoritativeAnswer;
-
- /**
- * True on truncate, tcp should be used.
- */
- protected boolean truncated;
-
- /**
- * True if the server should recurse.
- */
- protected boolean recursionDesired;
-
- /**
- * True if recursion is possible.
- */
- protected boolean recursionAvailable;
-
- /**
- * True if the server regarded the response as authentic.
- */
- protected boolean authenticData;
-
- /**
- * True if the server should not check the replies.
- */
- protected boolean checkDisabled;
-
- /**
- * The question section content.
- */
- protected Question questions[];
-
- /**
- * The answers section content.
- */
- protected Record answers[];
-
- /**
- * The nameserver records.
- */
- protected Record nameserverRecords[];
-
- /**
- * Additional resousrce records.
- */
- protected Record additionalResourceRecords[];
-
- /**
- * The receive timestamp of this message.
- */
- protected long receiveTimestamp;
-
- /**
- * Retrieve the current DNS message id.
- * @return The current DNS message id.
- */
- public int getId() {
- return id;
- }
-
- /**
- * Set the current DNS message id.
- * @param id The new DNS message id.
- */
- public void setId(int id) {
- this.id = id & 0xffff;
- }
-
- /**
- * Get the receive timestamp if this message was created via parse.
- * This should be used to evaluate TTLs.
- * @return The receive timestamp in milliseconds.
- */
- public long getReceiveTimestamp() {
- return receiveTimestamp;
- }
-
- /**
- * Retrieve the query type (true or false;
- * @return True if this DNS message is a query.
- */
- public boolean isQuery() {
- return query;
- }
-
- /**
- * Set the query status of this message.
- * @param query The new query status.
- */
- public void setQuery(boolean query) {
- this.query = query;
- }
-
- /**
- * True if the DNS message is an authoritative answer.
- * @return True if this an authoritative DNS message.
- */
- public boolean isAuthoritativeAnswer() {
- return authoritativeAnswer;
- }
-
- /**
- * Set the authoritative answer flag.
- * @param authoritativeAnswer Tge new authoritative answer value.
- */
- public void setAuthoritativeAnswer(boolean authoritativeAnswer) {
- this.authoritativeAnswer = authoritativeAnswer;
- }
-
- /**
- * Retrieve the truncation status of this message. True means that the
- * client should try a tcp lookup.
- * @return True if this message was truncated.
- */
- public boolean isTruncated() {
- return truncated;
- }
-
- /**
- * Set the truncation bit on this DNS message.
- * @param truncated The new truncated bit status.
- */
- public void setTruncated(boolean truncated) {
- this.truncated = truncated;
- }
-
- /**
- * Check if this message preferes recursion.
- * @return True if recursion is desired.
- */
- public boolean isRecursionDesired() {
- return recursionDesired;
- }
-
- /**
- * Set the recursion desired flag on this message.
- * @param recursionDesired The new recusrion setting.
- */
- public void setRecursionDesired(boolean recursionDesired) {
- this.recursionDesired = recursionDesired;
- }
-
- /**
- * Retrieve the recursion available flag of this DNS message.
- * @return The recursion available flag of this message.
- */
- public boolean isRecursionAvailable() {
- return recursionAvailable;
- }
-
- /**
- * Set the recursion available flog from this DNS message.
- * @param recursionAvailable The new recursion available status.
- */
- public void setRecursionAvailable(boolean recursionAvailable) {
- this.recursionAvailable = recursionAvailable;
- }
-
- /**
- * Retrieve the authentic data flag of this message.
- * @return The authentic data flag.
- */
- public boolean isAuthenticData() {
- return authenticData;
- }
-
- /**
- * Set the authentic data flag on this DNS message.
- * @param authenticData The new authentic data flag value.
- */
- public void setAuthenticData(boolean authenticData) {
- this.authenticData = authenticData;
- }
-
- /**
- * Check if checks are disabled.
- * @return The status of the CheckDisabled flag.
- */
- public boolean isCheckDisabled() {
- return checkDisabled;
- }
-
- /**
- * Change the check status of this packet.
- * @param checkDisabled The new check disabled value.
- */
- public void setCheckDisabled(boolean checkDisabled) {
- this.checkDisabled = checkDisabled;
- }
-
- /**
- * Generate a binary dns packet out of this message.
- * @return byte[] the binary representation.
- * @throws IOException Should never happen.
- */
- public byte[] toArray() throws IOException {
- ByteArrayOutputStream baos = new ByteArrayOutputStream(512);
- DataOutputStream dos = new DataOutputStream(baos);
- int header = 0;
- if (query) {
- header += 1 << 15;
- }
- if (opcode != null) {
- header += opcode.getValue() << 11;
- }
- if (authoritativeAnswer) {
- header += 1 << 10;
- }
- if (truncated) {
- header += 1 << 9;
- }
- if (recursionDesired) {
- header += 1 << 8;
- }
- if (recursionAvailable) {
- header += 1 << 7;
- }
- if (authenticData) {
- header += 1 << 5;
- }
- if (checkDisabled) {
- header += 1 << 4;
- }
- if (responseCode != null) {
- header += responseCode.getValue();
- }
- dos.writeShort((short)id);
- dos.writeShort((short)header);
- if (questions == null) {
- dos.writeShort(0);
- } else {
- dos.writeShort((short)questions.length);
- }
- if (answers == null) {
- dos.writeShort(0);
- } else {
- dos.writeShort((short)answers.length);
- }
- if (nameserverRecords == null) {
- dos.writeShort(0);
- } else {
- dos.writeShort((short)nameserverRecords.length);
- }
- if (additionalResourceRecords == null) {
- dos.writeShort(0);
- } else {
- dos.writeShort((short)additionalResourceRecords.length);
- }
- for (Question question: questions) {
- dos.write(question.toByteArray());
- }
- dos.flush();
- return baos.toByteArray();
- }
-
- /**
- * Build a DNS Message based on a binary DNS message.
- * @param data The DNS message data.
- * @return Parsed DNSMessage message.
- * @throws IOException On read errors.
- */
- public static DNSMessage parse(byte data[]) throws IOException {
- ByteArrayInputStream bis = new ByteArrayInputStream(data);
- DataInputStream dis = new DataInputStream(bis);
- DNSMessage message = new DNSMessage();
- message.id = dis.readUnsignedShort();
- int header = dis.readUnsignedShort();
- message.query = ((header >> 15) & 1) == 0;
- message.opcode = OPCODE.getOpcode((header >> 11) & 0xf);
- message.authoritativeAnswer = ((header >> 10) & 1) == 1;
- message.truncated = ((header >> 9) & 1) == 1;
- message.recursionDesired = ((header >> 8) & 1) == 1;
- message.recursionAvailable = ((header >> 7) & 1) == 1;
- message.authenticData = ((header >> 5) & 1) == 1;
- message.checkDisabled = ((header >> 4) & 1) == 1;
- message.responseCode = RESPONSE_CODE.getResponseCode(header & 0xf);
- message.receiveTimestamp = System.currentTimeMillis();
- int questionCount = dis.readUnsignedShort();
- int answerCount = dis.readUnsignedShort();
- int nameserverCount = dis.readUnsignedShort();
- int additionalResourceRecordCount = dis.readUnsignedShort();
- message.questions = new Question[questionCount];
- while (questionCount-- > 0) {
- Question q = Question.parse(dis, data);
- message.questions[questionCount] = q;
- }
- message.answers = new Record[answerCount];
- while (answerCount-- > 0) {
- Record rr = new Record();
- rr.parse(dis, data);
- message.answers[answerCount] = rr;
- }
- message.nameserverRecords = new Record[nameserverCount];
- while (nameserverCount-- > 0) {
- Record rr = new Record();
- rr.parse(dis, data);
- message.nameserverRecords[nameserverCount] = rr;
- }
- message.additionalResourceRecords =
- new Record[additionalResourceRecordCount];
- while (additionalResourceRecordCount-- > 0) {
- Record rr = new Record();
- rr.parse(dis, data);
- message.additionalResourceRecords[additionalResourceRecordCount] =
- rr;
- }
- return message;
- }
-
- /**
- * Set the question part of this message.
- * @param questions The questions.
- */
- public void setQuestions(Question ... questions) {
- this.questions = questions;
- }
-
- /**
- * Retrieve the opcode of this message.
- * @return The opcode of this message.
- */
- public OPCODE getOpcode() {
- return opcode;
- }
-
- /**
- * Retrieve the response code of this message.
- * @return The response code.
- */
- public RESPONSE_CODE getResponseCode() {
- return responseCode;
- }
-
- /**
- * Retrieve the question section of this message.
- * @return The DNS question section.
- */
- public Question[] getQuestions() {
- return questions;
- }
-
- /**
- * Retrieve the answer records of this DNS message.
- * @return The answer section of this DNS message.
- */
- public Record[] getAnswers() {
- return answers;
- }
-
- /**
- * Retrieve the nameserver records of this DNS message.
- * @return The nameserver section of this DNS message.
- */
- public Record[] getNameserverRecords() {
- return nameserverRecords;
- }
-
- /**
- * Retrieve the additional resource records attached to this DNS message.
- * @return The additional resource record section of this DNS message.
- */
- public Record[] getAdditionalResourceRecords() {
- return additionalResourceRecords;
- }
-
- public String toString() {
- return "-- DNSMessage " + id + " --\n" +
- "Q" + Arrays.toString(questions) +
- "NS" + Arrays.toString(nameserverRecords) +
- "A" + Arrays.toString(answers) +
- "ARR" + Arrays.toString(additionalResourceRecords);
- }
-
-}
diff --git a/libs/minidns/src/main/java/de/measite/minidns/LRUCache.java b/libs/minidns/src/main/java/de/measite/minidns/LRUCache.java
deleted file mode 100644
index 6b9bbdc1..00000000
--- a/libs/minidns/src/main/java/de/measite/minidns/LRUCache.java
+++ /dev/null
@@ -1,139 +0,0 @@
-package de.measite.minidns;
-
-import java.util.LinkedHashMap;
-import java.util.Map.Entry;
-
-/**
- * LRU based DNSCache backed by a LinkedHashMap.
- */
-public class LRUCache implements DNSCache {
-
- /**
- * Internal miss count.
- */
- protected long missCount = 0l;
-
- /**
- * Internal expire count (subset of misses that was caused by expire).
- */
- protected long expireCount = 0l;
-
- /**
- * Internal hit count.
- */
- protected long hitCount = 0l;
-
- /**
- * The internal capacity of the backend cache.
- */
- protected int capacity;
-
- /**
- * The upper bound of the ttl. All longer TTLs will be capped by this ttl.
- */
- protected long maxTTL;
-
- /**
- * The backend cache.
- */
- protected LinkedHashMap<Question, DNSMessage> backend;
-
- /**
- * Create a new LRUCache with given capacity and upper bound ttl.
- * @param capacity The internal capacity.
- * @param maxTTL The upper bound for any ttl.
- */
- @SuppressWarnings("serial")
- public LRUCache(final int capacity, final long maxTTL) {
- this.capacity = capacity;
- this.maxTTL = maxTTL;
- backend = new LinkedHashMap<Question,DNSMessage>(
- Math.min(capacity + (capacity + 3) / 4 + 2, 11), 0.75f, true)
- {
- @Override
- protected boolean removeEldestEntry(
- Entry<Question, DNSMessage> eldest) {
- return size() > capacity;
- }
- };
- }
-
- /**
- * Create a new LRUCache with given capacity.
- * @param capacity The capacity of this cache.
- */
- public LRUCache(final int capacity) {
- this(capacity, Long.MAX_VALUE);
- }
-
- @Override
- public synchronized void put(Question q, DNSMessage message) {
- if (message.getReceiveTimestamp() <= 0l) {
- return;
- }
- backend.put(q, message);
- }
-
- @Override
- public synchronized DNSMessage get(Question q) {
- DNSMessage message = backend.get(q);
- if (message == null) {
- missCount++;
- return null;
- }
-
- long ttl = maxTTL;
- for (Record r : message.getAnswers()) {
- ttl = Math.min(ttl, r.ttl);
- }
- for (Record r : message.getAdditionalResourceRecords()) {
- ttl = Math.min(ttl, r.ttl);
- }
- if (message.getReceiveTimestamp() + ttl > System.currentTimeMillis()) {
- missCount++;
- expireCount++;
- backend.remove(q);
- return null;
- } else {
- hitCount++;
- return message;
- }
- }
-
- /**
- * Clear all entries in this cache.
- */
- public synchronized void clear() {
- backend.clear();
- missCount = 0l;
- hitCount = 0l;
- expireCount = 0l;
- }
-
- /**
- * Get the miss count of this cache which is the number of fruitless
- * get calls since this cache was last resetted.
- * @return The number of cache misses.
- */
- public long getMissCount() {
- return missCount;
- }
-
- /**
- * The number of expires (cache hits that have had a ttl to low to be
- * retrieved).
- * @return The expire count.
- */
- public long getExpireCount() {
- return expireCount;
- }
-
- /**
- * The cache hit count (all sucessful calls to get).
- * @return The hit count.
- */
- public long getHitCount() {
- return hitCount;
- }
-
-}
diff --git a/libs/minidns/src/main/java/de/measite/minidns/Question.java b/libs/minidns/src/main/java/de/measite/minidns/Question.java
deleted file mode 100644
index 3b2fa1a1..00000000
--- a/libs/minidns/src/main/java/de/measite/minidns/Question.java
+++ /dev/null
@@ -1,158 +0,0 @@
-package de.measite.minidns;
-
-import java.io.ByteArrayOutputStream;
-import java.io.DataInputStream;
-import java.io.DataOutputStream;
-import java.io.IOException;
-import java.util.Arrays;
-
-import de.measite.minidns.Record.CLASS;
-import de.measite.minidns.Record.TYPE;
-import de.measite.minidns.util.NameUtil;
-
-/**
- * A DNS question (request).
- */
-public class Question {
-
- /**
- * The question string (e.g. "measite.de").
- */
- private final String name;
-
- /**
- * The question type (e.g. A).
- */
- private final TYPE type;
-
- /**
- * The question class (usually IN / internet).
- */
- private final CLASS clazz;
-
- /**
- * UnicastQueries have the highest bit of the CLASS field set to 1.
- */
- private final boolean unicastQuery;
-
- /**
- * Cache for the serialized object.
- */
- private byte[] byteArray;
-
- /**
- * Create a dns question for the given name/type/class.
- * @param name The name e.g. "measite.de".
- * @param type The type, e.g. A.
- * @param clazz The class, usually IN (internet).
- */
- public Question(String name, TYPE type, CLASS clazz, boolean unicastQuery) {
- this.name = name;
- this.type = type;
- this.clazz = clazz;
- this.unicastQuery = unicastQuery;
- }
-
- /**
- * Create a dns question for the given name/type/class.
- * @param name The name e.g. "measite.de".
- * @param type The type, e.g. A.
- * @param clazz The class, usually IN (internet).
- */
- public Question(String name, TYPE type, CLASS clazz) {
- this(name, type, clazz, false);
- }
-
- /**
- * Create a dns question for the given name/type/IN (internet class).
- * @param name The name e.g. "measite.de".
- * @param type The type, e.g. A.
- */
- public Question(String name, TYPE type) {
- this(name, type, CLASS.IN);
- }
-
- /**
- * Retrieve the type of this question.
- * @return The type.
- */
- public TYPE getType() {
- return type;
- }
-
- /**
- * Retrieve the class of this dns question (usually internet).
- * @return The class of this dns question.
- */
- public CLASS getClazz() {
- return clazz;
- }
-
- /**
- * Retrieve the name of this dns question (e.g. "measite.de").
- * @return The name of this dns question.
- */
- public String getName() {
- return name;
- }
-
- /**
- * Parse a byte array and rebuild the dns question from it.
- * @param dis The input stream.
- * @param data The plain data (for dns name references).
- * @return The parsed dns question.
- * @throws IOException On errors (read outside of packet).
- */
- public static Question parse(DataInputStream dis, byte[] data) throws IOException {
- String name = NameUtil.parse(dis, data);
- TYPE type = TYPE.getType(dis.readUnsignedShort());
- CLASS clazz = CLASS.getClass(dis.readUnsignedShort());
- return new Question (name, type, clazz);
- }
-
- /**
- * Generate a binary paket for this dns question.
- * @return The dns question.
- */
- public byte[] toByteArray() {
- if (byteArray == null) {
- ByteArrayOutputStream baos = new ByteArrayOutputStream(512);
- DataOutputStream dos = new DataOutputStream(baos);
-
- try {
- dos.write(NameUtil.toByteArray(this.name));
- dos.writeShort(type.getValue());
- dos.writeShort(clazz.getValue() | (unicastQuery ? (1 << 15) : 0));
- dos.flush();
- } catch (IOException e) {
- // Should never happen
- throw new IllegalStateException(e);
- }
- byteArray = baos.toByteArray();
- }
- return byteArray;
- }
-
- @Override
- public int hashCode() {
- return Arrays.hashCode(toByteArray());
- }
-
- @Override
- public boolean equals(Object other) {
- if (this == other) {
- return true;
- }
- if (!(other instanceof Question)) {
- return false;
- }
- byte t[] = toByteArray();
- byte o[] = ((Question)other).toByteArray();
- return Arrays.equals(t, o);
- }
-
- @Override
- public String toString() {
- return "Question/" + clazz + "/" + type + ": " + name;
- }
-}
diff --git a/libs/minidns/src/main/java/de/measite/minidns/Record.java b/libs/minidns/src/main/java/de/measite/minidns/Record.java
deleted file mode 100644
index ab081426..00000000
--- a/libs/minidns/src/main/java/de/measite/minidns/Record.java
+++ /dev/null
@@ -1,343 +0,0 @@
-package de.measite.minidns;
-
-import java.io.DataInputStream;
-import java.io.IOException;
-import java.util.HashMap;
-import java.util.logging.Level;
-import java.util.logging.Logger;
-
-import de.measite.minidns.record.A;
-import de.measite.minidns.record.AAAA;
-import de.measite.minidns.record.CNAME;
-import de.measite.minidns.record.Data;
-import de.measite.minidns.record.NS;
-import de.measite.minidns.record.PTR;
-import de.measite.minidns.record.SRV;
-import de.measite.minidns.record.TXT;
-import de.measite.minidns.util.NameUtil;
-
-/**
- * A generic DNS record.
- */
-public class Record {
-
- private static final Logger LOGGER = Logger.getLogger(Client.class.getName());
-
- /**
- * The record type.
- * @see <a href="http://www.iana.org/assignments/dns-parameters">IANA DNS Parameters</a>
- */
- public static enum TYPE {
- A(1),
- NS(2),
- MD(3),
- MF(4),
- CNAME(5),
- SOA(6),
- MB(7),
- MG(8),
- MR(9),
- NULL(10),
- WKS(11),
- PTR(12),
- HINFO(13),
- MINFO(14),
- MX(15),
- TXT(16),
- RP(17),
- AFSDB(18),
- X25(19),
- ISDN(20),
- RT(21),
- NSAP(22),
- NSAP_PTR(23),
- SIG(24),
- KEY(25),
- PX(26),
- GPOS(27),
- AAAA(28),
- LOC(29),
- NXT(30),
- EID(31),
- NIMLOC(32),
- SRV(33),
- ATMA(34),
- NAPTR(35),
- KX(36),
- CERT(37),
- A6(38),
- DNAME(39),
- SINK(40),
- OPT(41),
- APL(42),
- DS(43),
- SSHFP(44),
- IPSECKEY(45),
- RRSIG(46),
- NSEC(47),
- DNSKEY(48),
- DHCID(49),
- NSEC3(50),
- NSEC3PARAM(51),
- HIP(55),
- NINFO(56),
- RKEY(57),
- TALINK(58),
- SPF(99),
- UINFO(100),
- UID(101),
- GID(102),
- TKEY(249),
- TSIG(250),
- IXFR(251),
- AXFR(252),
- MAILB(253),
- MAILA(254),
- ANY(255),
- TA(32768),
- DLV(32769);
-
- /**
- * The value of this DNS record type.
- */
- private final int value;
-
- /**
- * Internal lookup table to map values to types.
- */
- private final static HashMap<Integer, TYPE> INVERSE_LUT =
- new HashMap<Integer, TYPE>();
-
- /**
- * Initialize the reverse lookup table.
- */
- static {
- for(TYPE t: TYPE.values()) {
- INVERSE_LUT.put(t.getValue(), t);
- }
- }
-
- /**
- * Create a new record type.
- * @param value The binary value of this type.
- */
- private TYPE(int value) {
- this.value = value;
- }
-
- /**
- * Retrieve the binary value of this type.
- * @return The binary value.
- */
- public int getValue() {
- return value;
- }
-
- /**
- * Retrieve the symbolic type of the binary value.
- * @param value The binary type value.
- * @return The symbolic tpye.
- */
- public static TYPE getType(int value) {
- return INVERSE_LUT.get(value);
- }
- };
-
- /**
- * The symbolic class of a DNS record (usually IN for Internet).
- */
- public static enum CLASS {
- IN(1),
- CH(3),
- HS(4),
- NONE(254),
- ANY(255);
-
- /**
- * Internal reverse lookup table to map binary class values to symbolic
- * names.
- */
- private final static HashMap<Integer, CLASS> INVERSE_LUT =
- new HashMap<Integer, CLASS>();
-
- /**
- * Initialize the interal reverse lookup table.
- */
- static {
- for(CLASS c: CLASS.values()) {
- INVERSE_LUT.put(c.getValue(), c);
- }
- }
-
- /**
- * The binary value of this dns class.
- */
- private final int value;
-
- /**
- * Create a new DNS class based on a binary value.
- * @param value The binary value of this DNS class.
- */
- private CLASS(int value) {
- this.value = value;
- }
-
- /**
- * Retrieve the binary value of this DNS class.
- * @return The binary value of this DNS class.
- */
- public int getValue() {
- return value;
- }
-
- /**
- * Retrieve the symbolic DNS class for a binary class value.
- * @param value The binary DNS class value.
- * @return The symbolic class instance.
- */
- public static CLASS getClass(int value) {
- return INVERSE_LUT.get(value);
- }
-
- }
-
- /**
- * The generic name of this record.
- */
- protected String name;
-
- /**
- * The type (and payload type) of this record.
- */
- protected TYPE type;
-
- /**
- * The record class (usually CLASS.IN).
- */
- protected CLASS clazz;
-
- /**
- * The ttl of this record.
- */
- protected long ttl;
-
- /**
- * The payload object of this record.
- */
- protected Data payloadData;
-
- /**
- * MDNS defines the highest bit of the class as the unicast query bit.
- */
- protected boolean unicastQuery;
-
- /**
- * Parse a given record based on the full message data and the current
- * stream position.
- * @param dis The DataInputStream positioned at the first record byte.
- * @param data The full message data.
- * @throws IOException In case of malformed replies.
- */
- public void parse(DataInputStream dis, byte[] data) throws IOException {
- this.name = NameUtil.parse(dis, data);
- this.type = TYPE.getType(dis.readUnsignedShort());
- int clazzValue = dis.readUnsignedShort();
- this.clazz = CLASS.getClass(clazzValue & 0x7fff);
- this.unicastQuery = (clazzValue & 0x8000) > 0;
- if (this.clazz == null) {
- LOGGER.log(Level.FINE, "Unknown class " + clazzValue);
- }
- this.ttl = (((long)dis.readUnsignedShort()) << 32) +
- dis.readUnsignedShort();
- int payloadLength = dis.readUnsignedShort();
- switch (this.type) {
- case SRV:
- this.payloadData = new SRV();
- break;
- case AAAA:
- this.payloadData = new AAAA();
- break;
- case A:
- this.payloadData = new A();
- break;
- case NS:
- this.payloadData = new NS();
- break;
- case CNAME:
- this.payloadData = new CNAME();
- break;
- case PTR:
- this.payloadData = new PTR();
- break;
- case TXT:
- this.payloadData = new TXT();
- break;
- default:
- LOGGER.log(Level.FINE, "Unparsed type " + type);
- this.payloadData = null;
- for (int i = 0; i < payloadLength; i++) {
- dis.readByte();
- }
- break;
- }
- if (this.payloadData != null) {
- this.payloadData.parse(dis, data, payloadLength);
- }
- }
-
- /**
- * Retrieve a textual representation of this resource record.
- * @return String
- */
- @Override
- public String toString() {
- if (payloadData == null) {
- return "RR " + type + "/" + clazz;
- }
- return "RR " + type + "/" + clazz + ": " + payloadData.toString();
- };
-
- /**
- * Check if this record answers a given query.
- * @param q The query.
- * @return True if this record is a valid answer.
- */
- public boolean isAnswer(Question q) {
- return ((q.getType() == type) || (q.getType() == TYPE.ANY)) &&
- ((q.getClazz() == clazz) || (q.getClazz() == CLASS.ANY)) &&
- (q.getName().equals(name));
- }
-
- /**
- * See if this query/response was a unicast query (highest class bit set).
- * @return True if it is a unicast query/response record.
- */
- public boolean isUnicastQuery() {
- return unicastQuery;
- }
-
- /**
- * The generic record name, e.g. "measite.de".
- * @return The record name.
- */
- public String getName() {
- return name;
- }
-
- /**
- * The payload data, usually a subclass of data (A, AAAA, CNAME, ...).
- * @return The payload data.
- */
- public Data getPayload() {
- return payloadData;
- }
-
- /**
- * Retrieve the record ttl.
- * @return The record ttl.
- */
- public long getTtl() {
- return ttl;
- }
-
-}
diff --git a/libs/minidns/src/main/java/de/measite/minidns/record/A.java b/libs/minidns/src/main/java/de/measite/minidns/record/A.java
deleted file mode 100644
index 4311c651..00000000
--- a/libs/minidns/src/main/java/de/measite/minidns/record/A.java
+++ /dev/null
@@ -1,43 +0,0 @@
-package de.measite.minidns.record;
-
-import java.io.DataInputStream;
-import java.io.IOException;
-
-import de.measite.minidns.Record.TYPE;
-
-/**
- * A record payload (ip pointer).
- */
-public class A implements Data {
-
- /**
- * Target IP.
- */
- private byte[] ip;
-
- @Override
- public TYPE getType() {
- return TYPE.A;
- }
-
- @Override
- public byte[] toByteArray() {
- return ip;
- }
-
- @Override
- public void parse(DataInputStream dis, byte[] data, int length)
- throws IOException {
- ip = new byte[4];
- dis.readFully(ip);
- }
-
- @Override
- public String toString() {
- return Integer.toString(ip[0] & 0xff) + "." +
- Integer.toString(ip[1] & 0xff) + "." +
- Integer.toString(ip[2] & 0xff) + "." +
- Integer.toString(ip[3] & 0xff);
- }
-
-}
diff --git a/libs/minidns/src/main/java/de/measite/minidns/record/AAAA.java b/libs/minidns/src/main/java/de/measite/minidns/record/AAAA.java
deleted file mode 100644
index e4fd5ecf..00000000
--- a/libs/minidns/src/main/java/de/measite/minidns/record/AAAA.java
+++ /dev/null
@@ -1,49 +0,0 @@
-package de.measite.minidns.record;
-
-import java.io.DataInputStream;
-import java.io.IOException;
-
-import de.measite.minidns.Record.TYPE;
-
-/**
- * AAAA payload (an ipv6 pointer).
- */
-public class AAAA implements Data {
-
- /**
- * The ipv6 address.
- */
- private byte[] ip;
-
- @Override
- public TYPE getType() {
- return TYPE.AAAA;
- }
-
- @Override
- public byte[] toByteArray() {
- return ip;
- }
-
- @Override
- public void parse(DataInputStream dis, byte[] data, int length)
- throws IOException {
- ip = new byte[16];
- dis.readFully(ip);
- }
-
- @Override
- public String toString() {
- StringBuilder sb = new StringBuilder();
- for (int i = 0; i < ip.length; i += 2) {
- if (i != 0) {
- sb.append(':');
- }
- sb.append(Integer.toHexString(
- ((ip[i] & 0xff) << 8) + (ip[i + 1] & 0xff)
- ));
- }
- return sb.toString();
- }
-
-}
diff --git a/libs/minidns/src/main/java/de/measite/minidns/record/CNAME.java b/libs/minidns/src/main/java/de/measite/minidns/record/CNAME.java
deleted file mode 100644
index 1ac27814..00000000
--- a/libs/minidns/src/main/java/de/measite/minidns/record/CNAME.java
+++ /dev/null
@@ -1,46 +0,0 @@
-package de.measite.minidns.record;
-
-import java.io.DataInputStream;
-import java.io.IOException;
-
-import de.measite.minidns.Record.TYPE;
-import de.measite.minidns.util.NameUtil;
-
-/**
- * CNAME payload (pointer to another domain / address).
- */
-public class CNAME implements Data {
-
- protected String name;
-
- public String getName() {
- return name;
- }
-
- public void setName(String name) {
- this.name = name;
- }
-
- @Override
- public byte[] toByteArray() {
- throw new UnsupportedOperationException("Not implemented yet");
- }
-
- @Override
- public void parse(DataInputStream dis, byte[] data, int length)
- throws IOException
- {
- this.name = NameUtil.parse(dis, data);
- }
-
- @Override
- public TYPE getType() {
- return TYPE.CNAME;
- }
-
- @Override
- public String toString() {
- return "to \"" + name + "\"";
- }
-
-}
diff --git a/libs/minidns/src/main/java/de/measite/minidns/record/Data.java b/libs/minidns/src/main/java/de/measite/minidns/record/Data.java
deleted file mode 100644
index 7f2db03a..00000000
--- a/libs/minidns/src/main/java/de/measite/minidns/record/Data.java
+++ /dev/null
@@ -1,34 +0,0 @@
-package de.measite.minidns.record;
-
-import java.io.DataInputStream;
-import java.io.IOException;
-
-import de.measite.minidns.Record.TYPE;
-
-/**
- * Generic payload class.
- */
-public interface Data {
-
- /**
- * The payload type.
- * @return The payload type.
- */
- TYPE getType();
-
- /**
- * Binary representation of this payload.
- * @return The binary representation of this payload.
- */
- byte[] toByteArray();
-
- /**
- * Parse this payload.
- * @param dis The input stream.
- * @param data The plain data (needed for name cross references).
- * @param length The payload length.
- * @throws IOException on io error (read past paket boundary).
- */
- void parse(DataInputStream dis, byte data[], int length) throws IOException;
-
-}
diff --git a/libs/minidns/src/main/java/de/measite/minidns/record/NS.java b/libs/minidns/src/main/java/de/measite/minidns/record/NS.java
deleted file mode 100644
index 8ac2d4c3..00000000
--- a/libs/minidns/src/main/java/de/measite/minidns/record/NS.java
+++ /dev/null
@@ -1,15 +0,0 @@
-package de.measite.minidns.record;
-
-import de.measite.minidns.Record.TYPE;
-
-/**
- * Nameserver record.
- */
-public class NS extends CNAME {
-
- @Override
- public TYPE getType() {
- return TYPE.NS;
- }
-
-}
diff --git a/libs/minidns/src/main/java/de/measite/minidns/record/PTR.java b/libs/minidns/src/main/java/de/measite/minidns/record/PTR.java
deleted file mode 100644
index 6e200655..00000000
--- a/libs/minidns/src/main/java/de/measite/minidns/record/PTR.java
+++ /dev/null
@@ -1,19 +0,0 @@
-package de.measite.minidns.record;
-
-import java.io.DataInputStream;
-import java.io.IOException;
-
-import de.measite.minidns.Record.TYPE;
-import de.measite.minidns.util.NameUtil;
-
-/**
- * A PTR record is handled like a CNAME
- */
-public class PTR extends CNAME {
-
- @Override
- public TYPE getType() {
- return TYPE.PTR;
- }
-
-}
diff --git a/libs/minidns/src/main/java/de/measite/minidns/record/SRV.java b/libs/minidns/src/main/java/de/measite/minidns/record/SRV.java
deleted file mode 100644
index 707bf3f5..00000000
--- a/libs/minidns/src/main/java/de/measite/minidns/record/SRV.java
+++ /dev/null
@@ -1,124 +0,0 @@
-package de.measite.minidns.record;
-
-import java.io.DataInputStream;
-import java.io.IOException;
-
-import de.measite.minidns.Record.TYPE;
-import de.measite.minidns.util.NameUtil;
-
-/**
- * SRV record payload (service pointer).
- */
-public class SRV implements Data {
-
- /**
- * The priority of this service.
- */
- protected int priority;
-
- /**
- * The weight of this service.
- */
- protected int weight;
-
- /**
- * The target port.
- */
- protected int port;
-
- /**
- * The target server.
- */
- protected String name;
-
- /**
- * The priority of this service. Lower values mean higher priority.
- * @return The priority.
- */
- public int getPriority() {
- return priority;
- }
-
- /**
- * Set the priority of this service entry. Lower values have higher priority.
- * @param priority The new priority.
- */
- public void setPriority(int priority) {
- this.priority = priority;
- }
-
- /**
- * The weight of this service. Services with the same priority should be
- * balanced based on weight.
- * @return The weight of this service.
- */
- public int getWeight() {
- return weight;
- }
-
- /**
- * Set the weight of this service.
- * @param weight The new weight of this service.
- */
- public void setWeight(int weight) {
- this.weight = weight;
- }
-
- /**
- * The target port of this service.
- * @return The target port of this service.
- */
- public int getPort() {
- return port;
- }
-
- /**
- * Set the target port of this service.
- * @param port The new target port.
- */
- public void setPort(int port) {
- this.port = port;
- }
-
- /**
- * The name of the target server.
- * @return The target servers name.
- */
- public String getName() {
- return name;
- }
-
- /**
- * Set the name of the target server.
- * @param name The new target servers name.
- */
- public void setName(String name) {
- this.name = name;
- }
-
- @Override
- public byte[] toByteArray() {
- throw new UnsupportedOperationException("Not implemented yet");
- }
-
- @Override
- public void parse(DataInputStream dis, byte[] data, int length)
- throws IOException
- {
- this.priority = dis.readUnsignedShort();
- this.weight = dis.readUnsignedShort();
- this.port = dis.readUnsignedShort();
- this.name = NameUtil.parse(dis, data);
- }
-
- @Override
- public String toString() {
- return "SRV " + name + ":" + port + " p:" + priority + " w:" + weight;
- }
-
- @Override
- public TYPE getType() {
- return TYPE.SRV;
- }
-
-}
diff --git a/libs/minidns/src/main/java/de/measite/minidns/record/TXT.java b/libs/minidns/src/main/java/de/measite/minidns/record/TXT.java
deleted file mode 100644
index 03e73040..00000000
--- a/libs/minidns/src/main/java/de/measite/minidns/record/TXT.java
+++ /dev/null
@@ -1,65 +0,0 @@
-package de.measite.minidns.record;
-
-import java.io.DataInputStream;
-import java.io.IOException;
-
-import de.measite.minidns.Record.TYPE;
-import de.measite.minidns.util.NameUtil;
-
-/**
- * TXT record (actually a binary blob with wrappers for text content).
- */
-public class TXT implements Data {
-
- protected byte[] blob;
-
- public byte[] getBlob() {
- return blob;
- }
-
- public void setBlob(byte[] blob) {
- this.blob = blob;
- }
-
- public String getText() {
- try {
- return (new String(blob, "UTF-8")).intern();
- } catch (Exception e) {
- /* Can't happen for UTF-8 unless it's really a blob */
- return null;
- }
- }
-
- public void setText(String text) {
- try {
- this.blob = text.getBytes("UTF-8");
- } catch (Exception e) {
- /* Can't happen, UTF-8 IS supported */
- throw new RuntimeException("UTF-8 not supported", e);
- }
- }
-
- @Override
- public byte[] toByteArray() {
- throw new UnsupportedOperationException("Not implemented yet");
- }
-
- @Override
- public void parse(DataInputStream dis, byte[] data, int length)
- throws IOException
- {
- blob = new byte[length];
- dis.readFully(blob);
- }
-
- @Override
- public TYPE getType() {
- return TYPE.TXT;
- }
-
- @Override
- public String toString() {
- return "\"" + getText() + "\"";
- }
-
-}
diff --git a/libs/minidns/src/main/java/de/measite/minidns/util/NameUtil.java b/libs/minidns/src/main/java/de/measite/minidns/util/NameUtil.java
deleted file mode 100644
index 7ae373bc..00000000
--- a/libs/minidns/src/main/java/de/measite/minidns/util/NameUtil.java
+++ /dev/null
@@ -1,129 +0,0 @@
-package de.measite.minidns.util;
-
-import java.io.ByteArrayOutputStream;
-import java.io.DataInputStream;
-import java.io.DataOutputStream;
-import java.io.IOException;
-import java.net.IDN;
-import java.util.HashSet;
-import java.util.Arrays;
-
-/**
- * Utilities related to internationalized domain names and dns name handling.
- */
-public class NameUtil {
-
- /**
- * Retrieve the rough binary length of a string
- * (length + 2 bytes length prefix).
- * @param name The name string.
- * @return The binary size of the string (length + 2).
- */
- public static int size(String name) {
- return name.length() + 2;
- }
-
- /**
- * Check if two internationalized domain names are equal, possibly causing
- * a serialization of both domain names.
- * @param name1 The first domain name.
- * @param name2 The second domain name.
- * @return True if both domain names are the same.
- */
- public static boolean idnEquals(String name1, String name2) {
- if (name1 == name2) return true; // catches null, null
- if (name1 == null) return false;
- if (name2 == null) return false;
- if (name1.equals(name2)) return true;
-
- try {
- return Arrays.equals(toByteArray(name1),toByteArray(name2));
- } catch (IOException e) {
- return false; // impossible
- }
- }
-
- /**
- * Serialize a domain name under IDN rules.
- * @param name The domain name.
- * @return The binary domain name representation.
- * @throws IOException Should never happen.
- */
- public static byte[] toByteArray(String name) throws IOException {
- ByteArrayOutputStream baos = new ByteArrayOutputStream(64);
- DataOutputStream dos = new DataOutputStream(baos);
- for (String s: name.split("[.\u3002\uFF0E\uFF61]")) {
- byte[] buffer = IDN.toASCII(s).getBytes();
- dos.writeByte(buffer.length);
- dos.write(buffer);
- }
- dos.writeByte(0);
- dos.flush();
- return baos.toByteArray();
- }
-
- /**
- * Parse a domain name starting at the current offset and moving the input
- * stream pointer past this domain name (even if cross references occure).
- * @param dis The input stream.
- * @param data The raw data (for cross references).
- * @return The domain name string.
- * @throws IOException Should never happen.
- */
- public static String parse(DataInputStream dis, byte data[])
- throws IOException
- {
- int c = dis.readUnsignedByte();
- if ((c & 0xc0) == 0xc0) {
- c = ((c & 0x3f) << 8) + dis.readUnsignedByte();
- HashSet<Integer> jumps = new HashSet<Integer>();
- jumps.add(c);
- return parse(data, c, jumps);
- }
- if (c == 0) {
- return "";
- }
- byte b[] = new byte[c];
- dis.readFully(b);
- String s = IDN.toUnicode(new String(b));
- String t = parse(dis, data);
- if (t.length() > 0) {
- s = s + "." + t;
- }
- return s;
- }
-
- /**
- * Parse a domain name starting at the given offset.
- * @param data The raw data.
- * @param offset The offset.
- * @param jumps The list of jumps (by now).
- * @return The parsed domain name.
- * @throws IllegalStateException on cycles.
- */
- public static String parse(
- byte data[],
- int offset,
- HashSet<Integer> jumps
- ) {
- int c = data[offset] & 0xff;
- if ((c & 0xc0) == 0xc0) {
- c = ((c & 0x3f) << 8) + (data[offset + 1] & 0xff);
- if (jumps.contains(c)) {
- throw new IllegalStateException("Cyclic offsets detected.");
- }
- jumps.add(c);
- return parse(data, c, jumps);
- }
- if (c == 0) {
- return "";
- }
- String s = new String(data,offset + 1, c);
- String t = parse(data, offset + 1 + c, jumps);
- if (t.length() > 0) {
- s = s + "." + t;
- }
- return s;
- }
-
-}