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Util: Add methods to validate IP addresses

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This commit is contained in:
zzz
2018-02-28 17:58:28 +00:00
parent f129426eed
commit 5cd1419897
11 changed files with 53 additions and 46 deletions
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10
core/java/src/net/i2p/crypto/SelfSignedGenerator.java
View File

@@ -29,8 +29,6 @@ import javax.crypto.spec.DHParameterSpec;
import javax.crypto.spec.DHPublicKeySpec;
import javax.security.auth.x500.X500Principal;
import org.apache.http.conn.util.InetAddressUtils;
import static net.i2p.crypto.SigUtil.intToASN1;
import net.i2p.data.DataHelper;
import net.i2p.data.Signature;
@@ -578,9 +576,9 @@ public final class SelfSignedGenerator {
}
for (String n : altNames) {
int len;
if (InetAddressUtils.isIPv4Address(n))
if (Addresses.isIPv4Address(n))
len = 4;
else if (InetAddressUtils.isIPv6Address(n))
else if (Addresses.isIPv6Address(n))
len = 16;
else
len = n.length();
@@ -690,8 +688,8 @@ public final class SelfSignedGenerator {
idx = intToASN1(rv, idx, wrap41len);
for (String n : altNames) {
byte[] b;
if (InetAddressUtils.isIPv4Address(n) ||
InetAddressUtils.isIPv6Address(n)) {
if (Addresses.isIPv4Address(n) ||
Addresses.isIPv6Address(n)) {
b = Addresses.getIP(n);
if (b == null) // shouldn't happen
throw new IllegalArgumentException("fail " + n);

7
core/java/src/net/i2p/socks/SOCKS4Client.java
View File

@@ -14,9 +14,8 @@ import java.io.OutputStream;
import java.net.InetAddress;
import java.net.Socket;
import org.apache.http.conn.util.InetAddressUtils;
import static net.i2p.socks.SOCKS4Constants.*;
import net.i2p.util.Addresses;
/**
* A simple SOCKS 4/4a client.
@@ -73,10 +72,10 @@ public class SOCKS4Client {
out.writeByte(Command.CONNECT);
out.writeShort(connPort);
boolean isIPv4;
if (InetAddressUtils.isIPv4Address(connHostName)) {
if (Addresses.isIPv4Address(connHostName)) {
isIPv4 = true;
out.write(InetAddress.getByName(connHostName).getAddress());
} else if (InetAddressUtils.isIPv6Address(connHostName)) {
} else if (Addresses.isIPv6Address(connHostName)) {
throw new SOCKSException("IPv6 not supported in SOCKS 4");
} else {
isIPv4 = false;

7
core/java/src/net/i2p/socks/SOCKS5Client.java
View File

@@ -14,9 +14,8 @@ import java.io.OutputStream;
import java.net.InetAddress;
import java.net.Socket;
import org.apache.http.conn.util.InetAddressUtils;
import static net.i2p.socks.SOCKS5Constants.*;
import net.i2p.util.Addresses;
/**
* A simple SOCKS 5 client.
@@ -152,9 +151,9 @@ public class SOCKS5Client {
}
int addressType;
if (InetAddressUtils.isIPv4Address(connHostName))
if (Addresses.isIPv4Address(connHostName))
addressType = AddressType.IPV4;
else if (InetAddressUtils.isIPv6Address(connHostName))
else if (Addresses.isIPv6Address(connHostName))
addressType = AddressType.IPV6;
else
addressType = AddressType.DOMAINNAME;

35
core/java/src/net/i2p/util/Addresses.java
View File

@@ -343,8 +343,7 @@ public abstract class Addresses {
//I2PAppContext.getGlobalContext().logManager().getLog(Addresses.class).error("lookup of " + host, new Exception("I did it"));
try {
rv = InetAddress.getByName(host).getAddress();
if (InetAddressUtils.isIPv4Address(host) ||
InetAddressUtils.isIPv6Address(host)) {
if (isIPAddress(host)) {
synchronized (_IPAddress) {
_IPAddress.put(host, rv);
}
@@ -379,8 +378,7 @@ public abstract class Addresses {
rv = _IPAddress.get(host);
}
if (rv == null) {
if (InetAddressUtils.isIPv4Address(host) ||
InetAddressUtils.isIPv6Address(host)) {
if (isIPAddress(host)) {
try {
rv = InetAddress.getByName(host).getAddress();
synchronized (_IPAddress) {
@@ -407,7 +405,7 @@ public abstract class Addresses {
public static byte[] getIP(String host, boolean preferIPv6) {
if (host == null)
return null;
if (InetAddressUtils.isIPv4Address(host) || InetAddressUtils.isIPv6Address(host))
if (isIPAddress(host))
return getIP(host);
synchronized(_negativeCache) {
Long when = _negativeCache.get(host);
@@ -460,7 +458,7 @@ public abstract class Addresses {
public static List<byte[]> getIPs(String host) {
if (host == null)
return null;
if (InetAddressUtils.isIPv4Address(host) || InetAddressUtils.isIPv6Address(host)) {
if (isIPAddress(host)) {
byte[] brv = getIP(host);
if (brv == null)
return null;
@@ -491,6 +489,31 @@ public abstract class Addresses {
return null;
}
/**
* @since 0.9.34
*/
public static boolean isIPv4Address(String host) {
return InetAddressUtils.isIPv4Address(host);
}
/**
* @since 0.9.34
*/
public static boolean isIPv6Address(String host) {
return InetAddressUtils.isIPv6Address(host);
}
/**
* @return true if either IPv4 or IPv6
* @since 0.9.34
*/
public static boolean isIPAddress(String host) {
return InetAddressUtils.isIPv4Address(host) || InetAddressUtils.isIPv6Address(host);
}
//////// IPv6 Cache Utils ///////
/**