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xabber-android
Commit 638d2075 authored by أحمد المحمودي (Ahmed El-Mahmoudy)'s avatar أحمد المحمودي (Ahmed El-Mahmoudy)
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Use javadns 2.1.7 from maven central

parent 619bda43
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app/build.gradle
View file @ 638d2075
...@@ -28,5 +28,6 @@ dependencies { ...@@ -28,5 +28,6 @@ dependencies {
compile 'com.github.ksoichiro:android-observablescrollview:1.5.0' compile 'com.github.ksoichiro:android-observablescrollview:1.5.0'
compile 'de.hdodenhof:circleimageview:1.2.2' compile 'de.hdodenhof:circleimageview:1.2.2'
compile 'com.melnykov:floatingactionbutton:1.2.0' compile 'com.melnykov:floatingactionbutton:1.2.0'
compile 'dnsjava:dnsjava:2.1.7'
compile project('otr4j') compile project('otr4j')
} }
app/src/main/java/com/xabber/android/data/connection/DNSManager.java
View file @ 638d2075
...@@ -102,11 +102,7 @@ public class DNSManager { ...@@ -102,11 +102,7 @@ public class DNSManager {
} }
for (Resolver check : resolver.getResolvers()) for (Resolver check : resolver.getResolvers())
if (check instanceof SimpleResolver) { if (check instanceof SimpleResolver) {
LogManager.i(check, "Current timeout is "
+ ((SimpleResolver) check).getTimeout());
((SimpleResolver) check).setTimeout(30); ((SimpleResolver) check).setTimeout(30);
LogManager.i(check, "new value is "
+ ((SimpleResolver) check).getTimeout());
} else { } else {
LogManager.i(this, "Not simple resolver!!!?" + check); LogManager.i(this, "Not simple resolver!!!?" + check);
} }
......
app/src/main/java/org/xbill/DNS/A6Record.java deleted 100644 → 0
View file @ 619bda43
// Copyright (c) 1999-2004 Brian Wellington (bwelling@xbill.org)
package org.xbill.DNS;
import java.io.*;
import java.net.*;
/**
* A6 Record - maps a domain name to an IPv6 address (experimental)
*
* @author Brian Wellington
*/
public class A6Record extends Record {
private static final long serialVersionUID = -8815026887337346789L;
private int prefixBits;
private InetAddress suffix;
private Name prefix;
A6Record() {
}
Record
getObject() {
return new A6Record();
}
/**
* Creates an A6 Record from the given data
*
* @param prefixBits The number of bits in the address prefix
* @param suffix The address suffix
* @param prefix The name of the prefix
*/
public A6Record(Name name, int dclass, long ttl, int prefixBits,
InetAddress suffix, Name prefix) {
super(name, Type.A6, dclass, ttl);
this.prefixBits = checkU8("prefixBits", prefixBits);
if (suffix != null && Address.familyOf(suffix) != Address.IPv6)
throw new IllegalArgumentException("invalid IPv6 address");
this.suffix = suffix;
if (prefix != null)
this.prefix = checkName("prefix", prefix);
}
void
rrFromWire(DNSInput in) throws IOException {
prefixBits = in.readU8();
int suffixbits = 128 - prefixBits;
int suffixbytes = (suffixbits + 7) / 8;
if (prefixBits < 128) {
byte[] bytes = new byte[16];
in.readByteArray(bytes, 16 - suffixbytes, suffixbytes);
suffix = InetAddress.getByAddress(bytes);
}
if (prefixBits > 0)
prefix = new Name(in);
}
void
rdataFromString(Tokenizer st, Name origin) throws IOException {
prefixBits = st.getUInt8();
if (prefixBits > 128) {
throw st.exception("prefix bits must be [0..128]");
} else if (prefixBits < 128) {
String s = st.getString();
try {
suffix = Address.getByAddress(s, Address.IPv6);
} catch (UnknownHostException e) {
throw st.exception("invalid IPv6 address: " + s);
}
}
if (prefixBits > 0)
prefix = st.getName(origin);
}
/**
* Converts rdata to a String
*/
String
rrToString() {
StringBuffer sb = new StringBuffer();
sb.append(prefixBits);
if (suffix != null) {
sb.append(" ");
sb.append(suffix.getHostAddress());
}
if (prefix != null) {
sb.append(" ");
sb.append(prefix);
}
return sb.toString();
}
/**
* Returns the number of bits in the prefix
*/
public int
getPrefixBits() {
return prefixBits;
}
/**
* Returns the address suffix
*/
public InetAddress
getSuffix() {
return suffix;
}
/**
* Returns the address prefix
*/
public Name
getPrefix() {
return prefix;
}
void
rrToWire(DNSOutput out, Compression c, boolean canonical) {
out.writeU8(prefixBits);
if (suffix != null) {
int suffixbits = 128 - prefixBits;
int suffixbytes = (suffixbits + 7) / 8;
byte[] data = suffix.getAddress();
out.writeByteArray(data, 16 - suffixbytes, suffixbytes);
}
if (prefix != null)
prefix.toWire(out, null, canonical);
}
}
app/src/main/java/org/xbill/DNS/AAAARecord.java deleted 100644 → 0
View file @ 619bda43
// Copyright (c) 1999-2004 Brian Wellington (bwelling@xbill.org)
package org.xbill.DNS;
import java.io.*;
import java.net.*;
/**
* IPv6 Address Record - maps a domain name to an IPv6 address
*
* @author Brian Wellington
*/
public class AAAARecord extends Record {
private static final long serialVersionUID = -4588601512069748050L;
private InetAddress address;
AAAARecord() {
}
Record
getObject() {
return new AAAARecord();
}
/**
* Creates an AAAA Record from the given data
*
* @param address The address suffix
*/
public AAAARecord(Name name, int dclass, long ttl, InetAddress address) {
super(name, Type.AAAA, dclass, ttl);
if (Address.familyOf(address) != Address.IPv6)
throw new IllegalArgumentException("invalid IPv6 address");
this.address = address;
}
void
rrFromWire(DNSInput in) throws IOException {
address = InetAddress.getByAddress(in.readByteArray(16));
}
void
rdataFromString(Tokenizer st, Name origin) throws IOException {
address = st.getAddress(Address.IPv6);
}
/**
* Converts rdata to a String
*/
String
rrToString() {
return address.getHostAddress();
}
/**
* Returns the address
*/
public InetAddress
getAddress() {
return address;
}
void
rrToWire(DNSOutput out, Compression c, boolean canonical) {
out.writeByteArray(address.getAddress());
}
}
app/src/main/java/org/xbill/DNS/AFSDBRecord.java deleted 100644 → 0
View file @ 619bda43
// Copyright (c) 2004 Brian Wellington (bwelling@xbill.org)
package org.xbill.DNS;
/**
* AFS Data Base Record - maps a domain name to the name of an AFS cell
* database server.
*
* @author Brian Wellington
*/
public class AFSDBRecord extends U16NameBase {
private static final long serialVersionUID = 3034379930729102437L;
AFSDBRecord() {
}
Record
getObject() {
return new AFSDBRecord();
}
/**
* Creates an AFSDB Record from the given data.
*
* @param subtype Indicates the type of service provided by the host.
* @param host The host providing the service.
*/
public AFSDBRecord(Name name, int dclass, long ttl, int subtype, Name host) {
super(name, Type.AFSDB, dclass, ttl, subtype, "subtype", host, "host");
}
/**
* Gets the subtype indicating the service provided by the host.
*/
public int
getSubtype() {
return getU16Field();
}
/**
* Gets the host providing service for the domain.
*/
public Name
getHost() {
return getNameField();
}
}
app/src/main/java/org/xbill/DNS/APLRecord.java deleted 100644 → 0
View file @ 619bda43
// Copyright (c) 2004 Brian Wellington (bwelling@xbill.org)
package org.xbill.DNS;
import java.io.*;
import java.net.*;
import java.util.*;
import org.xbill.DNS.utils.*;
/**
* APL - Address Prefix List. See RFC 3123.
*
* @author Brian Wellington
*/
/*
* Note: this currently uses the same constants as the Address class;
* this could change if more constants are defined for APL records.
*/
public class APLRecord extends Record {
public static class Element {
public final int family;
public final boolean negative;
public final int prefixLength;
public final Object address;
private Element(int family, boolean negative, Object address, int prefixLength) {
this.family = family;
this.negative = negative;
this.address = address;
this.prefixLength = prefixLength;
if (!validatePrefixLength(family, prefixLength)) {
throw new IllegalArgumentException("invalid prefix " +
"length");
}
}
/**
* Creates an APL element corresponding to an IPv4 or IPv6 prefix.
*
* @param negative Indicates if this prefix is a negation.
* @param address The IPv4 or IPv6 address.
* @param prefixLength The length of this prefix, in bits.
* @throws IllegalArgumentException The prefix length is invalid.
*/
public Element(boolean negative, InetAddress address, int prefixLength) {
this(Address.familyOf(address), negative, address,
prefixLength);
}
public String
toString() {
StringBuffer sb = new StringBuffer();
if (negative)
sb.append("!");
sb.append(family);
sb.append(":");
if (family == Address.IPv4 || family == Address.IPv6)
sb.append(((InetAddress) address).getHostAddress());
else
sb.append(base16.toString((byte[]) address));
sb.append("/");
sb.append(prefixLength);
return sb.toString();
}
public boolean
equals(Object arg) {
if (arg == null || !(arg instanceof Element))
return false;
Element elt = (Element) arg;
return (family == elt.family &&
negative == elt.negative &&
prefixLength == elt.prefixLength &&
address.equals(elt.address));
}
public int
hashCode() {
return address.hashCode() + prefixLength + (negative ? 1 : 0);
}
}
private static final long serialVersionUID = -1348173791712935864L;
private List elements;
APLRecord() {
}
Record
getObject() {
return new APLRecord();
}
private static boolean
validatePrefixLength(int family, int prefixLength) {
if (prefixLength < 0 || prefixLength >= 256)
return false;
if ((family == Address.IPv4 && prefixLength > 32) ||
(family == Address.IPv6 && prefixLength > 128))
return false;
return true;
}
/**
* Creates an APL Record from the given data.
*
* @param elements The list of APL elements.
*/
public APLRecord(Name name, int dclass, long ttl, List elements) {
super(name, Type.APL, dclass, ttl);
this.elements = new ArrayList(elements.size());
for (Iterator it = elements.iterator(); it.hasNext(); ) {
Object o = it.next();
if (!(o instanceof Element)) {
throw new IllegalArgumentException("illegal element");
}
Element element = (Element) o;
if (element.family != Address.IPv4 &&
element.family != Address.IPv6) {
throw new IllegalArgumentException("unknown family");
}
this.elements.add(element);
}
}
private static byte[]
parseAddress(byte[] in, int length) throws WireParseException {
if (in.length > length)
throw new WireParseException("invalid address length");
if (in.length == length)
return in;
byte[] out = new byte[length];
System.arraycopy(in, 0, out, 0, in.length);
return out;
}
void
rrFromWire(DNSInput in) throws IOException {
elements = new ArrayList(1);
while (in.remaining() != 0) {
int family = in.readU16();
int prefix = in.readU8();
int length = in.readU8();
boolean negative = (length & 0x80) != 0;
length &= ~0x80;
byte[] data = in.readByteArray(length);
Element element;
if (!validatePrefixLength(family, prefix)) {
throw new WireParseException("invalid prefix length");
}
if (family == Address.IPv4 || family == Address.IPv6) {
data = parseAddress(data,
Address.addressLength(family));
InetAddress addr = InetAddress.getByAddress(data);
element = new Element(negative, addr, prefix);
} else {
element = new Element(family, negative, data, prefix);
}
elements.add(element);
}
}
void
rdataFromString(Tokenizer st, Name origin) throws IOException {
elements = new ArrayList(1);
while (true) {
Tokenizer.Token t = st.get();
if (!t.isString())
break;
boolean negative = false;
int family = 0;
int prefix = 0;
String s = t.value;
int start = 0;
if (s.startsWith("!")) {
negative = true;
start = 1;
}
int colon = s.indexOf(':', start);
if (colon < 0)
throw st.exception("invalid address prefix element");
int slash = s.indexOf('/', colon);
if (slash < 0)
throw st.exception("invalid address prefix element");
String familyString = s.substring(start, colon);
String addressString = s.substring(colon + 1, slash);
String prefixString = s.substring(slash + 1);
try {
family = Integer.parseInt(familyString);
} catch (NumberFormatException e) {
throw st.exception("invalid family");
}
if (family != Address.IPv4 && family != Address.IPv6)
throw st.exception("unknown family");
try {
prefix = Integer.parseInt(prefixString);
} catch (NumberFormatException e) {
throw st.exception("invalid prefix length");
}
if (!validatePrefixLength(family, prefix)) {
throw st.exception("invalid prefix length");
}
byte[] bytes = Address.toByteArray(addressString, family);
if (bytes == null)
throw st.exception("invalid IP address " +
addressString);
InetAddress address = InetAddress.getByAddress(bytes);
elements.add(new Element(negative, address, prefix));
}
st.unget();
}
String
rrToString() {
StringBuffer sb = new StringBuffer();
for (Iterator it = elements.iterator(); it.hasNext(); ) {
Element element = (Element) it.next();
sb.append(element);
if (it.hasNext())
sb.append(" ");
}
return sb.toString();
}
/**
* Returns the list of APL elements.
*/
public List
getElements() {
return elements;
}
private static int
addressLength(byte[] addr) {
for (int i = addr.length - 1; i >= 0; i--) {
if (addr[i] != 0)
return i + 1;
}
return 0;
}
void
rrToWire(DNSOutput out, Compression c, boolean canonical) {
for (Iterator it = elements.iterator(); it.hasNext(); ) {
Element element = (Element) it.next();
int length = 0;
byte[] data;
if (element.family == Address.IPv4 ||
element.family == Address.IPv6) {
InetAddress addr = (InetAddress) element.address;
data = addr.getAddress();
length = addressLength(data);
} else {
data = (byte[]) element.address;
length = data.length;
}
int wlength = length;
if (element.negative) {
wlength |= 0x80;
}
out.writeU16(element.family);
out.writeU8(element.prefixLength);
out.writeU8(wlength);
out.writeByteArray(data, 0, length);
}
}
}
app/src/main/java/org/xbill/DNS/ARecord.java deleted 100644 → 0
View file @ 619bda43
// Copyright (c) 1999-2004 Brian Wellington (bwelling@xbill.org)
package org.xbill.DNS;
import java.net.*;
import java.io.*;
/**
* Address Record - maps a domain name to an Internet address
*
* @author Brian Wellington
*/
public class ARecord extends Record {
private static final long serialVersionUID = -2172609200849142323L;
private int addr;
ARecord() {
}
Record
getObject() {
return new ARecord();
}
private static final int
fromArray(byte[] array) {
return (((array[0] & 0xFF) << 24) |
((array[1] & 0xFF) << 16) |
((array[2] & 0xFF) << 8) |
(array[3] & 0xFF));
}
private static final byte[]
toArray(int addr) {
byte[] bytes = new byte[4];
bytes[0] = (byte) ((addr >>> 24) & 0xFF);
bytes[1] = (byte) ((addr >>> 16) & 0xFF);
bytes[2] = (byte) ((addr >>> 8) & 0xFF);
bytes[3] = (byte) (addr & 0xFF);
return bytes;
}
/**
* Creates an A Record from the given data
*
* @param address The address that the name refers to
*/
public ARecord(Name name, int dclass, long ttl, InetAddress address) {
super(name, Type.A, dclass, ttl);
if (Address.familyOf(address) != Address.IPv4)
throw new IllegalArgumentException("invalid IPv4 address");
addr = fromArray(address.getAddress());
}
void
rrFromWire(DNSInput in) throws IOException {
addr = fromArray(in.readByteArray(4));
}
void
rdataFromString(Tokenizer st, Name origin) throws IOException {
InetAddress address = st.getAddress(Address.IPv4);
addr = fromArray(address.getAddress());
}
/**
* Converts rdata to a String
*/
String
rrToString() {
return (Address.toDottedQuad(toArray(addr)));
}
/**
* Returns the Internet address
*/
public InetAddress
getAddress() {
try {
return InetAddress.getByAddress(toArray(addr));
} catch (UnknownHostException e) {
return null;
}
}
void
rrToWire(DNSOutput out, Compression c, boolean canonical) {
out.writeU32(((long) addr) & 0xFFFFFFFFL);
}
}
app/src/main/java/org/xbill/DNS/Address.java deleted 100644 → 0
View file @ 619bda43
This diff is collapsed.
app/src/main/java/org/xbill/DNS/CERTRecord.java deleted 100644 → 0
View file @ 619bda43
// Copyright (c) 1999-2004 Brian Wellington (bwelling@xbill.org)
package org.xbill.DNS;
import java.io.*;
import org.xbill.DNS.utils.*;
/**
* Certificate Record - Stores a certificate associated with a name. The
* certificate might also be associated with a KEYRecord.
*
* @author Brian Wellington
* @see KEYRecord
*/
public class CERTRecord extends Record {
public static class CertificateType {
/**
* Certificate type identifiers. See RFC 4398 for more detail.
*/
private CertificateType() {
}
/**
* PKIX (X.509v3)
*/
public static final int PKIX = 1;
/**
* Simple Public Key Infrastructure
*/
public static final int SPKI = 2;
/**
* Pretty Good Privacy
*/
public static final int PGP = 3;
/**
* URL of an X.509 data object
*/
public static final int IPKIX = 4;
/**
* URL of an SPKI certificate
*/
public static final int ISPKI = 5;
/**
* Fingerprint and URL of an OpenPGP packet
*/
public static final int IPGP = 6;
/**
* Attribute Certificate
*/
public static final int ACPKIX = 7;
/**
* URL of an Attribute Certificate
*/
public static final int IACPKIX = 8;
/**
* Certificate format defined by URI
*/
public static final int URI = 253;
/**
* Certificate format defined by OID
*/
public static final int OID = 254;
private static Mnemonic types = new Mnemonic("Certificate type",
Mnemonic.CASE_UPPER);
static {
types.setMaximum(0xFFFF);
types.setNumericAllowed(true);
types.add(PKIX, "PKIX");
types.add(SPKI, "SPKI");
types.add(PGP, "PGP");
types.add(PKIX, "IPKIX");
types.add(SPKI, "ISPKI");
types.add(PGP, "IPGP");
types.add(PGP, "ACPKIX");
types.add(PGP, "IACPKIX");
types.add(URI, "URI");
types.add(OID, "OID");
}
/**
* Converts a certificate type into its textual representation
*/
public static String
string(int type) {
return types.getText(type);
}
/**
* Converts a textual representation of an certificate type into its
* numeric code. Integers in the range 0..65535 are also accepted.
*
* @param s The textual representation of the algorithm
* @return The algorithm code, or -1 on error.
*/
public static int
value(String s) {
return types.getValue(s);
}
}
/**
* PKIX (X.509v3)
*/
public static final int PKIX = CertificateType.PKIX;
/**
* Simple Public Key Infrastructure
*/
public static final int SPKI = CertificateType.SPKI;
/**
* Pretty Good Privacy
*/
public static final int PGP = CertificateType.PGP;
/**
* Certificate format defined by URI
*/
public static final int URI = CertificateType.URI;
/**
* Certificate format defined by IOD
*/
public static final int OID = CertificateType.OID;
private static final long serialVersionUID = 4763014646517016835L;
private int certType, keyTag;
private int alg;
private byte[] cert;
CERTRecord() {
}
Record
getObject() {
return new CERTRecord();
}
/**
* Creates a CERT Record from the given data
*
* @param certType The type of certificate (see constants)
* @param keyTag The ID of the associated KEYRecord, if present
* @param alg The algorithm of the associated KEYRecord, if present
* @param cert Binary data representing the certificate
*/
public CERTRecord(Name name, int dclass, long ttl, int certType, int keyTag,
int alg, byte[] cert) {
super(name, Type.CERT, dclass, ttl);
this.certType = checkU16("certType", certType);
this.keyTag = checkU16("keyTag", keyTag);
this.alg = checkU8("alg", alg);
this.cert = cert;
}
void
rrFromWire(DNSInput in) throws IOException {
certType = in.readU16();
keyTag = in.readU16();
alg = in.readU8();
cert = in.readByteArray();
}
void
rdataFromString(Tokenizer st, Name origin) throws IOException {
String certTypeString = st.getString();
certType = CertificateType.value(certTypeString);
if (certType < 0)
throw st.exception("Invalid certificate type: " +
certTypeString);
keyTag = st.getUInt16();
String algString = st.getString();
alg = DNSSEC.Algorithm.value(algString);
if (alg < 0)
throw st.exception("Invalid algorithm: " + algString);
cert = st.getBase64();
}
/**
* Converts rdata to a String
*/
String
rrToString() {
StringBuffer sb = new StringBuffer();
sb.append(certType);
sb.append(" ");
sb.append(keyTag);
sb.append(" ");
sb.append(alg);
if (cert != null) {
if (Options.check("multiline")) {
sb.append(" (\n");
sb.append(base64.formatString(cert, 64, "\t", true));
} else {
sb.append(" ");
sb.append(base64.toString(cert));
}
}
return sb.toString();
}
/**
* Returns the type of certificate
*/
public int
getCertType() {
return certType;
}
/**
* Returns the ID of the associated KEYRecord, if present
*/
public int
getKeyTag() {
return keyTag;
}
/**
* Returns the algorithm of the associated KEYRecord, if present
*/
public int
getAlgorithm() {
return alg;
}
/**
* Returns the binary representation of the certificate
*/
public byte[]
getCert() {
return cert;
}
void
rrToWire(DNSOutput out, Compression c, boolean canonical) {
out.writeU16(certType);
out.writeU16(keyTag);
out.writeU8(alg);
out.writeByteArray(cert);
}
}
app/src/main/java/org/xbill/DNS/CNAMERecord.java deleted 100644 → 0
View file @ 619bda43
// Copyright (c) 1999-2004 Brian Wellington (bwelling@xbill.org)
package org.xbill.DNS;
/**
* CNAME Record - maps an alias to its real name
*
* @author Brian Wellington
*/
public class CNAMERecord extends SingleCompressedNameBase {
private static final long serialVersionUID = -4020373886892538580L;
CNAMERecord() {
}
Record
getObject() {
return new CNAMERecord();
}
/**
* Creates a new CNAMERecord with the given data
*
* @param alias The name to which the CNAME alias points
*/
public CNAMERecord(Name name, int dclass, long ttl, Name alias) {
super(name, Type.CNAME, dclass, ttl, alias, "alias");
}
/**
* Gets the target of the CNAME Record
*/
public Name
getTarget() {
return getSingleName();
}
/**
* Gets the alias specified by the CNAME Record
*/
public Name
getAlias() {
return getSingleName();
}
}
app/src/main/java/org/xbill/DNS/Cache.java deleted 100644 → 0
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app/src/main/java/org/xbill/DNS/Client.java deleted 100644 → 0
View file @ 619bda43
// Copyright (c) 2005 Brian Wellington (bwelling@xbill.org)
package org.xbill.DNS;
import java.io.*;
import java.net.*;
import java.nio.channels.*;
import org.xbill.DNS.utils.hexdump;
class Client {
protected long endTime;
protected SelectionKey key;
protected Client(SelectableChannel channel, long endTime) throws IOException {
boolean done = false;
Selector selector = null;
this.endTime = endTime;
try {
selector = Selector.open();
channel.configureBlocking(false);
key = channel.register(selector, SelectionKey.OP_READ);
done = true;
} finally {
if (!done && selector != null)
selector.close();
if (!done)
channel.close();
}
}
static protected void
blockUntil(SelectionKey key, long endTime) throws IOException {
long timeout = endTime - System.currentTimeMillis();
int nkeys = 0;
if (timeout > 0)
nkeys = key.selector().select(timeout);
else if (timeout == 0)
nkeys = key.selector().selectNow();
if (nkeys == 0)
throw new SocketTimeoutException();
}
static protected void
verboseLog(String prefix, byte[] data) {
if (Options.check("verbosemsg"))
System.err.println(hexdump.dump(prefix, data));
}
void
cleanup() throws IOException {
key.selector().close();
key.channel().close();
}
}
app/src/main/java/org/xbill/DNS/ClientSubnetOption.java deleted 100644 → 0
View file @ 619bda43
// Copyright (c) 1999-2004 Brian Wellington (bwelling@xbill.org)
package org.xbill.DNS;
import java.net.*;
import java.util.regex.*;
/**
* The Client Subnet EDNS Option, defined in
* http://tools.ietf.org/html/draft-vandergaast-edns-client-subnet-00
* ("Client subnet in DNS requests").
* <p/>
* The option is used to convey information about the IP address of the
* originating client, so that an authoritative server can make decisions
* based on this address, rather than the address of the intermediate
* caching name server.
* <p/>
* The option is transmitted as part of an OPTRecord in the additional section
* of a DNS message, as defined by RFC 2671 (EDNS0).
* <p/>
* An option code has not been assigned by IANA; the value 20730 (used here) is
* also used by several other implementations.
* <p/>
* The wire format of the option contains a 2-byte length field (1 for IPv4, 2
* for IPv6), a 1-byte source netmask, a 1-byte scope netmask, and an address
* truncated to the source netmask length (where the final octet is padded with
* bits set to 0)
*
* @author Brian Wellington
* @author Ming Zhou &lt;mizhou@bnivideo.com&gt;, Beaumaris Networks
* @see OPTRecord
*/
public class ClientSubnetOption extends EDNSOption {
private static final long serialVersionUID = -3868158449890266347L;
private int family;
private int sourceNetmask;
private int scopeNetmask;
private InetAddress address;
ClientSubnetOption() {
super(EDNSOption.Code.CLIENT_SUBNET);
}
private static int
checkMaskLength(String field, int family, int val) {
int max = Address.addressLength(family) * 8;
if (val < 0 || val > max)
throw new IllegalArgumentException("\"" + field + "\" " + val +
" must be in the range " +
"[0.." + max + "]");
return val;
}
/**
* Construct a Client Subnet option. Note that the number of significant bits in
* the address must not be greater than the supplied source netmask.
* XXX something about Java's mapped addresses
*
* @param sourceNetmask The length of the netmask pertaining to the query.
* In replies, it mirrors the same value as in the requests.
* @param scopeNetmask The length of the netmask pertaining to the reply.
* In requests, it MUST be set to 0. In responses, this may or may not match
* the source netmask.
* @param address The address of the client.
*/
public ClientSubnetOption(int sourceNetmask, int scopeNetmask, InetAddress address) {
super(EDNSOption.Code.CLIENT_SUBNET);
this.family = Address.familyOf(address);
this.sourceNetmask = checkMaskLength("source netmask", this.family,
sourceNetmask);
this.scopeNetmask = checkMaskLength("scope netmask", this.family,
scopeNetmask);
this.address = Address.truncate(address, sourceNetmask);
if (!address.equals(this.address))
throw new IllegalArgumentException("source netmask is not " +
"valid for address");
}
/**
* Construct a Client Subnet option with scope netmask set to 0.
*
* @param sourceNetmask The length of the netmask pertaining to the query.
* In replies, it mirrors the same value as in the requests.
* @param address The address of the client.
* @see ClientSubnetOption
*/
public ClientSubnetOption(int sourceNetmask, InetAddress address) {
this(sourceNetmask, 0, address);
}
/**
* Returns the family of the network address. This will be either IPv4 (1)
* or IPv6 (2).
*/
public int
getFamily() {
return family;
}
/**
* Returns the source netmask.
*/
public int
getSourceNetmask() {
return sourceNetmask;
}
/**
* Returns the scope netmask.
*/
public int
getScopeNetmask() {
return scopeNetmask;
}
/**
* Returns the IP address of the client.
*/
public InetAddress
getAddress() {
return address;
}
void
optionFromWire(DNSInput in) throws WireParseException {
family = in.readU16();
if (family != Address.IPv4 && family != Address.IPv6)
throw new WireParseException("unknown address family");
sourceNetmask = in.readU8();
if (sourceNetmask > Address.addressLength(family) * 8)
throw new WireParseException("invalid source netmask");
scopeNetmask = in.readU8();
if (scopeNetmask > Address.addressLength(family) * 8)
throw new WireParseException("invalid scope netmask");
// Read the truncated address
byte[] addr = in.readByteArray();
if (addr.length != (sourceNetmask + 7) / 8)
throw new WireParseException("invalid address");
// Convert it to a full length address.
byte[] fulladdr = new byte[Address.addressLength(family)];
System.arraycopy(addr, 0, fulladdr, 0, addr.length);
try {
address = InetAddress.getByAddress(fulladdr);
} catch (UnknownHostException e) {
throw new WireParseException("invalid address", e);
}
InetAddress tmp = Address.truncate(address, sourceNetmask);
if (!tmp.equals(address))
throw new WireParseException("invalid padding");
}
void
optionToWire(DNSOutput out) {
out.writeU16(family);
out.writeU8(sourceNetmask);
out.writeU8(scopeNetmask);
out.writeByteArray(address.getAddress(), 0, (sourceNetmask + 7) / 8);
}
String
optionToString() {
StringBuffer sb = new StringBuffer();
sb.append(address.getHostAddress());
sb.append("/");
sb.append(sourceNetmask);
sb.append(", scope netmask ");
sb.append(scopeNetmask);
return sb.toString();
}
}
app/src/main/java/org/xbill/DNS/Compression.java deleted 100644 → 0
View file @ 619bda43
// Copyright (c) 1999-2004 Brian Wellington (bwelling@xbill.org)
package org.xbill.DNS;
/**
* DNS Name Compression object.
*
* @author Brian Wellington
* @see Message
* @see Name
*/
public class Compression {
private static class Entry {
Name name;
int pos;
Entry next;
}
private static final int TABLE_SIZE = 17;
private static final int MAX_POINTER = 0x3FFF;
private Entry[] table;
private boolean verbose = Options.check("verbosecompression");
/**
* Creates a new Compression object.
*/
public Compression() {
table = new Entry[TABLE_SIZE];
}
/**
* Adds a compression entry mapping a name to a position in a message.
*
* @param pos The position at which the name is added.
* @param name The name being added to the message.
*/
public void
add(int pos, Name name) {
if (pos > MAX_POINTER)
return;
int row = (name.hashCode() & 0x7FFFFFFF) % TABLE_SIZE;
Entry entry = new Entry();
entry.name = name;
entry.pos = pos;
entry.next = table[row];
table[row] = entry;
if (verbose)
System.err.println("Adding " + name + " at " + pos);
}
/**
* Retrieves the position of the given name, if it has been previously
* included in the message.
*
* @param name The name to find in the compression table.
* @return The position of the name, or -1 if not found.
*/
public int
get(Name name) {
int row = (name.hashCode() & 0x7FFFFFFF) % TABLE_SIZE;
int pos = -1;
for (Entry entry = table[row]; entry != null; entry = entry.next) {
if (entry.name.equals(name))
pos = entry.pos;
}
if (verbose)
System.err.println("Looking for " + name + ", found " + pos);
return pos;
}
}
app/src/main/java/org/xbill/DNS/Credibility.java deleted 100644 → 0
View file @ 619bda43
// Copyright (c) 1999-2004 Brian Wellington (bwelling@xbill.org)
package org.xbill.DNS;
/**
* Constants relating to the credibility of cached data, which is based on
* the data's source. The constants NORMAL and ANY should be used by most
* callers.
*
* @author Brian Wellington
* @see Cache
* @see Section
*/
public final class Credibility {
private Credibility() {
}
/**
* A hint or cache file on disk.
*/
public static final int HINT = 0;
/**
* The additional section of a response.
*/
public static final int ADDITIONAL = 1;
/**
* The additional section of a response.
*/
public static final int GLUE = 2;
/**
* The authority section of a nonauthoritative response.
*/
public static final int NONAUTH_AUTHORITY = 3;
/**
* The answer section of a nonauthoritative response.
*/
public static final int NONAUTH_ANSWER = 3;
/**
* The authority section of an authoritative response.
*/
public static final int AUTH_AUTHORITY = 4;
/**
* The answer section of a authoritative response.
*/
public static final int AUTH_ANSWER = 4;
/**
* A zone.
*/
public static final int ZONE = 5;
/**
* Credible data.
*/
public static final int NORMAL = 3;
/**
* Data not required to be credible.
*/
public static final int ANY = 1;
}
app/src/main/java/org/xbill/DNS/DClass.java deleted 100644 → 0
View file @ 619bda43
// Copyright (c) 1999-2004 Brian Wellington (bwelling@xbill.org)
package org.xbill.DNS;
/**
* Constants and functions relating to DNS classes. This is called DClass
* to avoid confusion with Class.
*
* @author Brian Wellington
*/
public final class DClass {
/**
* Internet
*/
public static final int IN = 1;
/**
* Chaos network (MIT)
*/
public static final int CH = 3;
/**
* Chaos network (MIT, alternate name)
*/
public static final int CHAOS = 3;
/**
* Hesiod name server (MIT)
*/
public static final int HS = 4;
/**
* Hesiod name server (MIT, alternate name)
*/
public static final int HESIOD = 4;
/**
* Special value used in dynamic update messages
*/
public static final int NONE = 254;
/**
* Matches any class
*/
public static final int ANY = 255;
private static class DClassMnemonic extends Mnemonic {
public DClassMnemonic() {
super("DClass", CASE_UPPER);
setPrefix("CLASS");
}
public void
check(int val) {
DClass.check(val);
}
}
private static Mnemonic classes = new DClassMnemonic();
static {
classes.add(IN, "IN");
classes.add(CH, "CH");
classes.addAlias(CH, "CHAOS");
classes.add(HS, "HS");
classes.addAlias(HS, "HESIOD");
classes.add(NONE, "NONE");
classes.add(ANY, "ANY");
}
private DClass() {
}
/**
* Checks that a numeric DClass is valid.
*
* @throws InvalidDClassException The class is out of range.
*/
public static void
check(int i) {
if (i < 0 || i > 0xFFFF)
throw new InvalidDClassException(i);
}
/**
* Converts a numeric DClass into a String
*
* @return The canonical string representation of the class
* @throws InvalidDClassException The class is out of range.
*/
public static String
string(int i) {
return classes.getText(i);
}
/**
* Converts a String representation of a DClass into its numeric value
*
* @return The class code, or -1 on error.
*/
public static int
value(String s) {
return classes.getValue(s);
}
}
app/src/main/java/org/xbill/DNS/DHCIDRecord.java deleted 100644 → 0
View file @ 619bda43
// Copyright (c) 2008 Brian Wellington (bwelling@xbill.org)
package org.xbill.DNS;
import java.io.*;
import org.xbill.DNS.utils.base64;
/**
* DHCID - Dynamic Host Configuration Protocol (DHCP) ID (RFC 4701)
*
* @author Brian Wellington
*/
public class DHCIDRecord extends Record {
private static final long serialVersionUID = -8214820200808997707L;
private byte[] data;
DHCIDRecord() {
}
Record
getObject() {
return new DHCIDRecord();
}
/**
* Creates an DHCID Record from the given data
*
* @param data The binary data, which is opaque to DNS.
*/
public DHCIDRecord(Name name, int dclass, long ttl, byte[] data) {
super(name, Type.DHCID, dclass, ttl);
this.data = data;
}
void
rrFromWire(DNSInput in) throws IOException {
data = in.readByteArray();
}
void
rdataFromString(Tokenizer st, Name origin) throws IOException {
data = st.getBase64();
}
void
rrToWire(DNSOutput out, Compression c, boolean canonical) {
out.writeByteArray(data);
}
String
rrToString() {
return base64.toString(data);
}
/**
* Returns the binary data.
*/
public byte[]
getData() {
return data;
}
}
app/src/main/java/org/xbill/DNS/DLVRecord.java deleted 100644 → 0
View file @ 619bda43
// Copyright (c) 2002-2004 Brian Wellington (bwelling@xbill.org)
package org.xbill.DNS;
import java.io.*;
import org.xbill.DNS.utils.*;
/**
* DLV - contains a Delegation Lookaside Validation record, which acts
* as the equivalent of a DS record in a lookaside zone.
*
* @author David Blacka
* @author Brian Wellington
* @see DNSSEC
* @see DSRecord
*/
public class DLVRecord extends Record {
public static final int SHA1_DIGEST_ID = DSRecord.Digest.SHA1;
public static final int SHA256_DIGEST_ID = DSRecord.Digest.SHA1;
private static final long serialVersionUID = 1960742375677534148L;
private int footprint;
private int alg;
private int digestid;
private byte[] digest;
DLVRecord() {
}
Record
getObject() {
return new DLVRecord();
}
/**
* Creates a DLV Record from the given data
*
* @param footprint The original KEY record's footprint (keyid).
* @param alg The original key algorithm.
* @param digestid The digest id code.
* @param digest A hash of the original key.
*/
public DLVRecord(Name name, int dclass, long ttl, int footprint, int alg,
int digestid, byte[] digest) {
super(name, Type.DLV, dclass, ttl);
this.footprint = checkU16("footprint", footprint);
this.alg = checkU8("alg", alg);
this.digestid = checkU8("digestid", digestid);
this.digest = digest;
}
void
rrFromWire(DNSInput in) throws IOException {
footprint = in.readU16();
alg = in.readU8();
digestid = in.readU8();
digest = in.readByteArray();
}
void
rdataFromString(Tokenizer st, Name origin) throws IOException {
footprint = st.getUInt16();
alg = st.getUInt8();
digestid = st.getUInt8();
digest = st.getHex();
}
/**
* Converts rdata to a String
*/
String
rrToString() {
StringBuffer sb = new StringBuffer();
sb.append(footprint);
sb.append(" ");
sb.append(alg);
sb.append(" ");
sb.append(digestid);
if (digest != null) {
sb.append(" ");
sb.append(base16.toString(digest));
}
return sb.toString();
}
/**
* Returns the key's algorithm.
*/
public int
getAlgorithm() {
return alg;
}
/**
* Returns the key's Digest ID.
*/
public int
getDigestID() {
return digestid;
}
/**
* Returns the binary hash of the key.
*/
public byte[]
getDigest() {
return digest;
}
/**
* Returns the key's footprint.
*/
public int
getFootprint() {
return footprint;
}
void
rrToWire(DNSOutput out, Compression c, boolean canonical) {
out.writeU16(footprint);
out.writeU8(alg);
out.writeU8(digestid);
if (digest != null)
out.writeByteArray(digest);
}
}
app/src/main/java/org/xbill/DNS/DNAMERecord.java deleted 100644 → 0
View file @ 619bda43
// Copyright (c) 1999-2004 Brian Wellington (bwelling@xbill.org)
package org.xbill.DNS;
/**
* DNAME Record - maps a nonterminal alias (subtree) to a different domain
*
* @author Brian Wellington
*/
public class DNAMERecord extends SingleNameBase {
private static final long serialVersionUID = 2670767677200844154L;
DNAMERecord() {
}
Record
getObject() {
return new DNAMERecord();
}
/**
* Creates a new DNAMERecord with the given data
*
* @param alias The name to which the DNAME alias points
*/
public DNAMERecord(Name name, int dclass, long ttl, Name alias) {
super(name, Type.DNAME, dclass, ttl, alias, "alias");
}
/**
* Gets the target of the DNAME Record
*/
public Name
getTarget() {
return getSingleName();
}
/**
* Gets the alias specified by the DNAME Record
*/
public Name
getAlias() {
return getSingleName();
}
}
app/src/main/java/org/xbill/DNS/DNSInput.java deleted 100644 → 0
View file @ 619bda43
// Copyright (c) 2004 Brian Wellington (bwelling@xbill.org)
package org.xbill.DNS;
/**
* An class for parsing DNS messages.
*
* @author Brian Wellington
*/
public class DNSInput {
private byte[] array;
private int pos;
private int end;
private int saved_pos;
private int saved_end;
/**
* Creates a new DNSInput
*
* @param input The byte array to read from
*/
public DNSInput(byte[] input) {
array = input;
pos = 0;
end = array.length;
saved_pos = -1;
saved_end = -1;
}
/**
* Returns the current position.
*/
public int
current() {
return pos;
}
/**
* Returns the number of bytes that can be read from this stream before
* reaching the end.
*/
public int
remaining() {
return end - pos;
}
private void
require(int n) throws WireParseException {
if (n > remaining()) {
throw new WireParseException("end of input");
}
}
/**
* Marks the following bytes in the stream as active.
*
* @param len The number of bytes in the active region.
* @throws IllegalArgumentException The number of bytes in the active region
* is longer than the remainder of the input.
*/
public void
setActive(int len) {
if (len > array.length - pos) {
throw new IllegalArgumentException("cannot set active " +
"region past end of input");
}
end = pos + len;
}
/**
* Clears the active region of the string. Further operations are not
* restricted to part of the input.
*/
public void
clearActive() {
end = array.length;
}
/**
* Returns the position of the end of the current active region.
*/
public int
saveActive() {
return end;
}
/**
* Restores the previously set active region. This differs from setActive() in
* that restoreActive() takes an absolute position, and setActive takes an
* offset from the current location.
*
* @param pos The end of the active region.
*/
public void
restoreActive(int pos) {
if (pos > array.length) {
throw new IllegalArgumentException("cannot set active " +
"region past end of input");
}
end = pos;
}
/**
* Resets the current position of the input stream to the specified index,
* and clears the active region.
*
* @param index The position to continue parsing at.
* @throws IllegalArgumentException The index is not within the input.
*/
public void
jump(int index) {
if (index >= array.length) {
throw new IllegalArgumentException("cannot jump past " +
"end of input");
}
pos = index;
end = array.length;
}
/**
* Saves the current state of the input stream. Both the current position and
* the end of the active region are saved.
*
* @throws IllegalArgumentException The index is not within the input.
*/
public void
save() {
saved_pos = pos;
saved_end = end;
}
/**
* Restores the input stream to its state before the call to {@link #save}.
*/
public void
restore() {
if (saved_pos < 0) {
throw new IllegalStateException("no previous state");
}
pos = saved_pos;
end = saved_end;
saved_pos = -1;
saved_end = -1;
}
/**
* Reads an unsigned 8 bit value from the stream, as an int.
*
* @return An unsigned 8 bit value.
* @throws WireParseException The end of the stream was reached.
*/
public int
readU8() throws WireParseException {
require(1);
return (array[pos++] & 0xFF);
}
/**
* Reads an unsigned 16 bit value from the stream, as an int.
*
* @return An unsigned 16 bit value.
* @throws WireParseException The end of the stream was reached.
*/
public int
readU16() throws WireParseException {
require(2);
int b1 = array[pos++] & 0xFF;
int b2 = array[pos++] & 0xFF;
return ((b1 << 8) + b2);
}
/**
* Reads an unsigned 32 bit value from the stream, as a long.
*
* @return An unsigned 32 bit value.
* @throws WireParseException The end of the stream was reached.
*/
public long
readU32() throws WireParseException {
require(4);
int b1 = array[pos++] & 0xFF;
int b2 = array[pos++] & 0xFF;
int b3 = array[pos++] & 0xFF;
int b4 = array[pos++] & 0xFF;
return (((long) b1 << 24) + (b2 << 16) + (b3 << 8) + b4);
}
/**
* Reads a byte array of a specified length from the stream into an existing
* array.
*
* @param b The array to read into.
* @param off The offset of the array to start copying data into.
* @param len The number of bytes to copy.
* @throws WireParseException The end of the stream was reached.
*/
public void
readByteArray(byte[] b, int off, int len) throws WireParseException {
require(len);
System.arraycopy(array, pos, b, off, len);
pos += len;
}
/**
* Reads a byte array of a specified length from the stream.
*
* @return The byte array.
* @throws WireParseException The end of the stream was reached.
*/
public byte[]
readByteArray(int len) throws WireParseException {
require(len);
byte[] out = new byte[len];
System.arraycopy(array, pos, out, 0, len);
pos += len;
return out;
}
/**
* Reads a byte array consisting of the remainder of the stream (or the
* active region, if one is set.
*
* @return The byte array.
*/
public byte[]
readByteArray() {
int len = remaining();
byte[] out = new byte[len];
System.arraycopy(array, pos, out, 0, len);
pos += len;
return out;
}
/**
* Reads a counted string from the stream. A counted string is a one byte
* value indicating string length, followed by bytes of data.
*
* @return A byte array containing the string.
* @throws WireParseException The end of the stream was reached.
*/
public byte[]
readCountedString() throws WireParseException {
require(1);
int len = array[pos++] & 0xFF;
return readByteArray(len);
}
}
app/src/main/java/org/xbill/DNS/DNSKEYRecord.java deleted 100644 → 0
View file @ 619bda43
// Copyright (c) 1999-2004 Brian Wellington (bwelling@xbill.org)
package org.xbill.DNS;
import java.io.*;
import java.security.PublicKey;
/**
* Key - contains a cryptographic public key for use by DNS.
* The data can be converted to objects implementing
* java.security.interfaces.PublicKey
*
* @author Brian Wellington
* @see DNSSEC
*/
public class DNSKEYRecord extends KEYBase {
public static class Protocol {
private Protocol() {
}
/**
* Key will be used for DNSSEC
*/
public static final int DNSSEC = 3;
}
public static class Flags {
private Flags() {
}
/**
* Key is a zone key
*/
public static final int ZONE_KEY = 0x100;
/**
* Key is a secure entry point key
*/
public static final int SEP_KEY = 0x1;
/**
* Key has been revoked
*/
public static final int REVOKE = 0x80;
}
private static final long serialVersionUID = -8679800040426675002L;
DNSKEYRecord() {
}
Record
getObject() {
return new DNSKEYRecord();
}
/**
* Creates a DNSKEY Record from the given data
*
* @param flags Flags describing the key's properties
* @param proto The protocol that the key was created for
* @param alg The key's algorithm
* @param key Binary representation of the key
*/
public DNSKEYRecord(Name name, int dclass, long ttl, int flags, int proto, int alg,
byte[] key) {
super(name, Type.DNSKEY, dclass, ttl, flags, proto, alg, key);
}
/**
* Creates a DNSKEY Record from the given data
*
* @param flags Flags describing the key's properties
* @param proto The protocol that the key was created for
* @param alg The key's algorithm
* @param key The key as a PublicKey
* @throws DNSSEC.DNSSECException The PublicKey could not be converted into DNS
* format.
*/
public DNSKEYRecord(Name name, int dclass, long ttl, int flags, int proto, int alg,
PublicKey key) throws DNSSEC.DNSSECException {
super(name, Type.DNSKEY, dclass, ttl, flags, proto, alg,
DNSSEC.fromPublicKey(key, alg));
publicKey = key;
}
void
rdataFromString(Tokenizer st, Name origin) throws IOException {
flags = st.getUInt16();
proto = st.getUInt8();
String algString = st.getString();
alg = DNSSEC.Algorithm.value(algString);
if (alg < 0)
throw st.exception("Invalid algorithm: " + algString);
key = st.getBase64();
}
}
app/src/main/java/org/xbill/DNS/DNSOutput.java deleted 100644 → 0
View file @ 619bda43
// Copyright (c) 1999-2004 Brian Wellington (bwelling@xbill.org)
package org.xbill.DNS;
/**
* A class for rendering DNS messages.
*
* @author Brian Wellington
*/
public class DNSOutput {
private byte[] array;
private int pos;
private int saved_pos;
/**
* Create a new DNSOutput with a specified size.
*
* @param size The initial size
*/
public DNSOutput(int size) {
array = new byte[size];
pos = 0;
saved_pos = -1;
}
/**
* Create a new DNSOutput
*/
public DNSOutput() {
this(32);
}
/**
* Returns the current position.
*/
public int
current() {
return pos;
}
private void
check(long val, int bits) {
long max = 1;
max <<= bits;
if (val < 0 || val > max) {
throw new IllegalArgumentException(val + " out of range for " +
bits + " bit value");
}
}
private void
need(int n) {
if (array.length - pos >= n) {
return;
}
int newsize = array.length * 2;
if (newsize < pos + n) {
newsize = pos + n;
}
byte[] newarray = new byte[newsize];
System.arraycopy(array, 0, newarray, 0, pos);
array = newarray;
}
/**
* Resets the current position of the output stream to the specified index.
*
* @param index The new current position.
* @throws IllegalArgumentException The index is not within the output.
*/
public void
jump(int index) {
if (index > pos) {
throw new IllegalArgumentException("cannot jump past " +
"end of data");
}
pos = index;
}
/**
* Saves the current state of the output stream.
*
* @throws IllegalArgumentException The index is not within the output.
*/
public void
save() {
saved_pos = pos;
}
/**
* Restores the input stream to its state before the call to {@link #save}.
*/
public void
restore() {
if (saved_pos < 0) {
throw new IllegalStateException("no previous state");
}
pos = saved_pos;
saved_pos = -1;
}
/**
* Writes an unsigned 8 bit value to the stream.
*
* @param val The value to be written
*/
public void
writeU8(int val) {
check(val, 8);
need(1);
array[pos++] = (byte) (val & 0xFF);
}
/**
* Writes an unsigned 16 bit value to the stream.
*
* @param val The value to be written
*/
public void
writeU16(int val) {
check(val, 16);
need(2);
array[pos++] = (byte) ((val >>> 8) & 0xFF);
array[pos++] = (byte) (val & 0xFF);
}
/**
* Writes an unsigned 16 bit value to the specified position in the stream.
*
* @param val The value to be written
* @param where The position to write the value.
*/
public void
writeU16At(int val, int where) {
check(val, 16);
if (where > pos - 2)
throw new IllegalArgumentException("cannot write past " +
"end of data");
array[where++] = (byte) ((val >>> 8) & 0xFF);
array[where++] = (byte) (val & 0xFF);
}
/**
* Writes an unsigned 32 bit value to the stream.
*
* @param val The value to be written
*/
public void
writeU32(long val) {
check(val, 32);
need(4);
array[pos++] = (byte) ((val >>> 24) & 0xFF);
array[pos++] = (byte) ((val >>> 16) & 0xFF);
array[pos++] = (byte) ((val >>> 8) & 0xFF);
array[pos++] = (byte) (val & 0xFF);
}
/**
* Writes a byte array to the stream.
*
* @param b The array to write.
* @param off The offset of the array to start copying data from.
* @param len The number of bytes to write.
*/
public void
writeByteArray(byte[] b, int off, int len) {
need(len);
System.arraycopy(b, off, array, pos, len);
pos += len;
}
/**
* Writes a byte array to the stream.
*
* @param b The array to write.
*/
public void
writeByteArray(byte[] b) {
writeByteArray(b, 0, b.length);
}
/**
* Writes a counted string from the stream. A counted string is a one byte
* value indicating string length, followed by bytes of data.
*
* @param s The string to write.
*/
public void
writeCountedString(byte[] s) {
if (s.length > 0xFF) {
throw new IllegalArgumentException("Invalid counted string");
}
need(1 + s.length);
array[pos++] = (byte) (s.length & 0xFF);
writeByteArray(s, 0, s.length);
}
/**
* Returns a byte array containing the current contents of the stream.
*/
public byte[]
toByteArray() {
byte[] out = new byte[pos];
System.arraycopy(array, 0, out, 0, pos);
return out;
}
}
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// Copyright (c) 2002-2004 Brian Wellington (bwelling@xbill.org)
package org.xbill.DNS;
import java.io.*;
import org.xbill.DNS.utils.*;
/**
* DS - contains a Delegation Signer record, which acts as a
* placeholder for KEY records in the parent zone.
*
* @author David Blacka
* @author Brian Wellington
* @see DNSSEC
*/
public class DSRecord extends Record {
public static class Digest {
private Digest() {
}
/**
* SHA-1
*/
public static final int SHA1 = 1;
/**
* SHA-256
*/
public static final int SHA256 = 2;
}
public static final int SHA1_DIGEST_ID = Digest.SHA1;
public static final int SHA256_DIGEST_ID = Digest.SHA256;
private static final long serialVersionUID = -9001819329700081493L;
private int footprint;
private int alg;
private int digestid;
private byte[] digest;
DSRecord() {
}
Record
getObject() {
return new DSRecord();
}
/**
* Creates a DS Record from the given data
*
* @param footprint The original KEY record's footprint (keyid).
* @param alg The original key algorithm.
* @param digestid The digest id code.
* @param digest A hash of the original key.
*/
public DSRecord(Name name, int dclass, long ttl, int footprint, int alg,
int digestid, byte[] digest) {
super(name, Type.DS, dclass, ttl);
this.footprint = checkU16("footprint", footprint);
this.alg = checkU8("alg", alg);
this.digestid = checkU8("digestid", digestid);
this.digest = digest;
}
/**
* Creates a DS Record from the given data
*
* @param footprint The original KEY record's footprint (keyid).
* @param digestid The digest id code.
* @param key The key to digest
*/
public DSRecord(Name name, int dclass, long ttl, int footprint, int digestid,
DNSKEYRecord key) {
this(name, dclass, ttl, footprint, key.getAlgorithm(), digestid,
DNSSEC.generateDS(key, digestid));
}
void
rrFromWire(DNSInput in) throws IOException {
footprint = in.readU16();
alg = in.readU8();
digestid = in.readU8();
digest = in.readByteArray();
}
void
rdataFromString(Tokenizer st, Name origin) throws IOException {
footprint = st.getUInt16();
alg = st.getUInt8();
digestid = st.getUInt8();
digest = st.getHex();
}
/**
* Converts rdata to a String
*/
String
rrToString() {
StringBuffer sb = new StringBuffer();
sb.append(footprint);
sb.append(" ");
sb.append(alg);
sb.append(" ");
sb.append(digestid);
if (digest != null) {
sb.append(" ");
sb.append(base16.toString(digest));
}
return sb.toString();
}
/**
* Returns the key's algorithm.
*/
public int
getAlgorithm() {
return alg;
}
/**
* Returns the key's Digest ID.
*/
public int
getDigestID() {
return digestid;
}
/**
* Returns the binary hash of the key.
*/
public byte[]
getDigest() {
return digest;
}
/**
* Returns the key's footprint.
*/
public int
getFootprint() {
return footprint;
}
void
rrToWire(DNSOutput out, Compression c, boolean canonical) {
out.writeU16(footprint);
out.writeU8(alg);
out.writeU8(digestid);
if (digest != null)
out.writeByteArray(digest);
}
}
app/src/main/java/org/xbill/DNS/EDNSOption.java deleted 100644 → 0
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// Copyright (c) 1999-2004 Brian Wellington (bwelling@xbill.org)
package org.xbill.DNS;
import java.io.*;
import java.util.Arrays;
/**
* DNS extension options, as described in RFC 2671. The rdata of an OPT record
* is defined as a list of options; this represents a single option.
*
* @author Brian Wellington
* @author Ming Zhou &lt;mizhou@bnivideo.com&gt;, Beaumaris Networks
*/
public abstract class EDNSOption {
public static class Code {
private Code() {
}
/**
* Name Server Identifier, RFC 5001
*/
public final static int NSID = 3;
/**
* Client Subnet, defined in draft-vandergaast-edns-client-subnet-00
*/
public final static int CLIENT_SUBNET = 20730;
private static Mnemonic codes = new Mnemonic("EDNS Option Codes",
Mnemonic.CASE_UPPER);
static {
codes.setMaximum(0xFFFF);
codes.setPrefix("CODE");
codes.setNumericAllowed(true);
codes.add(NSID, "NSID");
codes.add(CLIENT_SUBNET, "CLIENT_SUBNET");
}
/**
* Converts an EDNS Option Code into its textual representation
*/
public static String
string(int code) {
return codes.getText(code);
}
/**
* Converts a textual representation of an EDNS Option Code into its
* numeric value.
*
* @param s The textual representation of the option code
* @return The option code, or -1 on error.
*/
public static int
value(String s) {
return codes.getValue(s);
}
}
private final int code;
/**
* Creates an option with the given option code and data.
*/
public EDNSOption(int code) {
this.code = Record.checkU16("code", code);
}
public String
toString() {
StringBuffer sb = new StringBuffer();
sb.append("{");
sb.append(EDNSOption.Code.string(code));
sb.append(": ");
sb.append(optionToString());
sb.append("}");
return sb.toString();
}
/**
* Returns the EDNS Option's code.
*
* @return the option code
*/
public int
getCode() {
return code;
}
/**
* Returns the EDNS Option's data, as a byte array.
*
* @return the option data
*/
byte[]
getData() {
DNSOutput out = new DNSOutput();
optionToWire(out);
return out.toByteArray();
}
/**
* Converts the wire format of an EDNS Option (the option data only) into the
* type-specific format.
*
* @param in The input Stream.
*/
abstract void
optionFromWire(DNSInput in) throws IOException;
/**
* Converts the wire format of an EDNS Option (including code and length) into
* the type-specific format.
*
* @param out The input stream.
*/
static EDNSOption
fromWire(DNSInput in) throws IOException {
int code, length;
code = in.readU16();
length = in.readU16();
if (in.remaining() < length)
throw new WireParseException("truncated option");
int save = in.saveActive();
in.setActive(length);
EDNSOption option;
switch (code) {
case Code.NSID:
option = new NSIDOption();
break;
case Code.CLIENT_SUBNET:
option = new ClientSubnetOption();
break;
default:
option = new GenericEDNSOption(code);
break;
}
option.optionFromWire(in);
in.restoreActive(save);
return option;
}
/**
* Converts the wire format of an EDNS Option (including code and length) into
* the type-specific format.
*
* @return The option, in wire format.
*/
public static EDNSOption
fromWire(byte[] b) throws IOException {
return fromWire(new DNSInput(b));
}
/**
* Converts an EDNS Option (the type-specific option data only) into wire format.
*
* @param out The output stream.
*/
abstract void
optionToWire(DNSOutput out);
/**
* Converts an EDNS Option (including code and length) into wire format.
*
* @param out The output stream.
*/
void
toWire(DNSOutput out) {
out.writeU16(code);
int lengthPosition = out.current();
out.writeU16(0); /* until we know better */
optionToWire(out);
int length = out.current() - lengthPosition - 2;
out.writeU16At(length, lengthPosition);
}
/**
* Converts an EDNS Option (including code and length) into wire format.
*
* @return The option, in wire format.
*/
public byte[]
toWire() throws IOException {
DNSOutput out = new DNSOutput();
toWire(out);
return out.toByteArray();
}
/**
* Determines if two EDNS Options are identical.
*
* @param arg The option to compare to
* @return true if the options are equal, false otherwise.
*/
public boolean
equals(Object arg) {
if (arg == null || !(arg instanceof EDNSOption))
return false;
EDNSOption opt = (EDNSOption) arg;
if (code != opt.code)
return false;
return Arrays.equals(getData(), opt.getData());
}
/**
* Generates a hash code based on the EDNS Option's data.
*/
public int
hashCode() {
byte[] array = getData();
int hashval = 0;
for (int i = 0; i < array.length; i++)
hashval += ((hashval << 3) + (array[i] & 0xFF));
return hashval;
}
abstract String optionToString();
}
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// Copyright (c) 1999-2004 Brian Wellington (bwelling@xbill.org)
package org.xbill.DNS;
import java.io.*;
/**
* A class implementing Records with no data; that is, records used in
* the question section of messages and meta-records in dynamic update.
*
* @author Brian Wellington
*/
class EmptyRecord extends Record {
private static final long serialVersionUID = 3601852050646429582L;
EmptyRecord() {
}
Record
getObject() {
return new EmptyRecord();
}
void
rrFromWire(DNSInput in) throws IOException {
}
void
rdataFromString(Tokenizer st, Name origin) throws IOException {
}
String
rrToString() {
return "";
}
void
rrToWire(DNSOutput out, Compression c, boolean canonical) {
}
}
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// Copyright (c) 2004 Brian Wellington (bwelling@xbill.org)
package org.xbill.DNS;
/**
* Constants and functions relating to EDNS flags.
*
* @author Brian Wellington
*/
public final class ExtendedFlags {
private static Mnemonic extflags = new Mnemonic("EDNS Flag",
Mnemonic.CASE_LOWER);
/**
* dnssec ok
*/
public static final int DO = 0x8000;
static {
extflags.setMaximum(0xFFFF);
extflags.setPrefix("FLAG");
extflags.setNumericAllowed(true);
extflags.add(DO, "do");
}
private ExtendedFlags() {
}
/**
* Converts a numeric extended flag into a String
*/
public static String
string(int i) {
return extflags.getText(i);
}
/**
* Converts a textual representation of an extended flag into its numeric
* value
*/
public static int
value(String s) {
return extflags.getValue(s);
}
}
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// Copyright (c) 1999-2004 Brian Wellington (bwelling@xbill.org)
package org.xbill.DNS;
/**
* Constants and functions relating to flags in the DNS header.
*
* @author Brian Wellington
*/
public final class Flags {
private static Mnemonic flags = new Mnemonic("DNS Header Flag",
Mnemonic.CASE_LOWER);
/**
* query/response
*/
public static final byte QR = 0;
/**
* authoritative answer
*/
public static final byte AA = 5;
/**
* truncated
*/
public static final byte TC = 6;
/**
* recursion desired
*/
public static final byte RD = 7;
/**
* recursion available
*/
public static final byte RA = 8;
/**
* authenticated data
*/
public static final byte AD = 10;
/**
* (security) checking disabled
*/
public static final byte CD = 11;
/**
* dnssec ok (extended)
*/
public static final int DO = ExtendedFlags.DO;
static {
flags.setMaximum(0xF);
flags.setPrefix("FLAG");
flags.setNumericAllowed(true);
flags.add(QR, "qr");
flags.add(AA, "aa");
flags.add(TC, "tc");
flags.add(RD, "rd");
flags.add(RA, "ra");
flags.add(AD, "ad");
flags.add(CD, "cd");
}
private Flags() {
}
/**
* Converts a numeric Flag into a String
*/
public static String
string(int i) {
return flags.getText(i);
}
/**
* Converts a String representation of an Flag into its numeric value
*/
public static int
value(String s) {
return flags.getValue(s);
}
/**
* Indicates if a bit in the flags field is a flag or not. If it's part of
* the rcode or opcode, it's not.
*/
public static boolean
isFlag(int index) {
flags.check(index);
if ((index >= 1 && index <= 4) || (index >= 12))
return false;
return true;
}
}
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// Copyright (c) 1999-2004 Brian Wellington (bwelling@xbill.org)
package org.xbill.DNS;
import java.io.*;
import org.xbill.DNS.utils.base16;
/**
* An EDNSOption with no internal structure.
*
* @author Ming Zhou &lt;mizhou@bnivideo.com&gt;, Beaumaris Networks
* @author Brian Wellington
*/
public class GenericEDNSOption extends EDNSOption {
private byte[] data;
GenericEDNSOption(int code) {
super(code);
}
/**
* Construct a generic EDNS option.
*
* @param data The contents of the option.
*/
public GenericEDNSOption(int code, byte[] data) {
super(code);
this.data = Record.checkByteArrayLength("option data", data, 0xFFFF);
}
void
optionFromWire(DNSInput in) throws IOException {
data = in.readByteArray();
}
void
optionToWire(DNSOutput out) {
out.writeByteArray(data);
}
String
optionToString() {
return "<" + base16.toString(data) + ">";
}
}
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