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-rw-r--r--libs/minidns/src/main/java/de/measite/minidns/Record.java343
1 files changed, 0 insertions, 343 deletions
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;
- }
-
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-10 19:12:11 +0000