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/*
* Conditions Of Use
*
* This software was developed by employees of the National Institute of
* Standards and Technology (NIST), an agency of the Federal Government.
* Pursuant to title 15 Untied States Code Section 105, works of NIST
* employees are not subject to copyright protection in the United States
* and are considered to be in the public domain. As a result, a formal
* license is not needed to use the software.
*
* This software is provided by NIST as a service and is expressly
* provided "AS IS." NIST MAKES NO WARRANTY OF ANY KIND, EXPRESS, IMPLIED
* OR STATUTORY, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTY OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, NON-INFRINGEMENT
* AND DATA ACCURACY. NIST does not warrant or make any representations
* regarding the use of the software or the results thereof, including but
* not limited to the correctness, accuracy, reliability or usefulness of
* the software.
*
* Permission to use this software is contingent upon your acceptance
* of the terms of this agreement
*
* .
*
*/
package android.gov.nist.core.net;
import android.gov.nist.core.CommonLogger;
import android.gov.nist.core.LogWriter;
import android.gov.nist.core.StackLogger;
import android.gov.nist.javax.sip.SipStackImpl;
import android.gov.nist.javax.sip.stack.ClientAuthType;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.net.ConnectException;
import java.net.DatagramSocket;
import java.net.InetAddress;
import java.net.InetSocketAddress;
import java.net.ServerSocket;
import java.net.Socket;
import java.net.SocketException;
import java.net.SocketTimeoutException;
import java.security.GeneralSecurityException;
import java.security.KeyStore;
import java.security.SecureRandom;
import java.security.cert.X509Certificate;
import javax.net.ssl.KeyManagerFactory;
import javax.net.ssl.SSLContext;
import javax.net.ssl.SSLServerSocket;
import javax.net.ssl.SSLServerSocketFactory;
import javax.net.ssl.SSLSocket;
import javax.net.ssl.SSLSocketFactory;
import javax.net.ssl.TrustManager;
import javax.net.ssl.TrustManagerFactory;
import javax.net.ssl.X509TrustManager;
/**
* extended implementation of a network layer that allows to define a private java
* keystores/truststores
*
* @author f.reif
* @version 1.2
* @since 1.2
*
*/
public class SslNetworkLayer implements NetworkLayer {
private static StackLogger logger = CommonLogger.getLogger(SslNetworkLayer.class);
private SSLSocketFactory sslSocketFactory;
private SSLServerSocketFactory sslServerSocketFactory;
// Create a trust manager that does not validate certificate chains
TrustManager[] trustAllCerts = new TrustManager[] {
new X509TrustManager() {
public java.security.cert.X509Certificate[] getAcceptedIssuers() {
return new X509Certificate[0];
}
public void checkClientTrusted(X509Certificate[] certs, String authType) {
if (logger.isLoggingEnabled(LogWriter.TRACE_DEBUG)) {
logger.logDebug(
"checkClientTrusted : Not validating certs " + certs + " authType " + authType);
}
}
public void checkServerTrusted(X509Certificate[] certs, String authType) {
if (logger.isLoggingEnabled(LogWriter.TRACE_DEBUG)) {
logger.logDebug(
"checkServerTrusted : Not validating certs " + certs + " authType " + authType);
}
}
}};
public SslNetworkLayer(
SipStackImpl sipStack,
String trustStoreFile,
String keyStoreFile,
char[] keyStorePassword,
char[] trustStorePassword,
String keyStoreType, String trustStoreType) throws GeneralSecurityException, FileNotFoundException, IOException
{
SSLContext sslContext;
sslContext = SSLContext.getInstance("TLS");
String algorithm = KeyManagerFactory.getDefaultAlgorithm();
TrustManagerFactory tmFactory = TrustManagerFactory.getInstance(algorithm);
KeyManagerFactory kmFactory = KeyManagerFactory.getInstance(algorithm);
SecureRandom secureRandom = new SecureRandom();
secureRandom.nextInt();
KeyStore keyStore = KeyStore.getInstance(
keyStoreType != null ? keyStoreType : KeyStore.getDefaultType());
KeyStore trustStore = KeyStore.getInstance(
trustStoreType != null ? trustStoreType : KeyStore.getDefaultType());
keyStore.load(new FileInputStream(keyStoreFile), keyStorePassword);
trustStore.load(new FileInputStream(trustStoreFile), trustStorePassword);
tmFactory.init(trustStore);
kmFactory.init(keyStore, keyStorePassword);
if(sipStack.getClientAuth() == ClientAuthType.DisabledAll) {
if (logger.isLoggingEnabled(LogWriter.TRACE_DEBUG)) {
logger.logDebug(
"ClientAuth " + sipStack.getClientAuth() + " bypassing all cert validations");
}
sslContext.init(null, trustAllCerts, secureRandom);
} else {
if (logger.isLoggingEnabled(LogWriter.TRACE_DEBUG)) {
logger.logDebug(
"ClientAuth " + sipStack.getClientAuth());
}
sslContext.init(kmFactory.getKeyManagers(), tmFactory.getTrustManagers(), secureRandom);
}
sslServerSocketFactory = sslContext.getServerSocketFactory();
sslSocketFactory = sslContext.getSocketFactory();
}
public ServerSocket createServerSocket(int port, int backlog,
InetAddress bindAddress) throws IOException {
return new ServerSocket(port, backlog, bindAddress);
}
public Socket createSocket(InetAddress address, int port)
throws IOException {
return new Socket(address, port);
}
public DatagramSocket createDatagramSocket() throws SocketException {
return new DatagramSocket();
}
public DatagramSocket createDatagramSocket(int port, InetAddress laddr)
throws SocketException {
return new DatagramSocket(port, laddr);
}
/* Added by Daniel J. Martinez Manzano */
public SSLServerSocket createSSLServerSocket(int port, int backlog,
InetAddress bindAddress) throws IOException {
return (SSLServerSocket) sslServerSocketFactory.createServerSocket(
port, backlog, bindAddress);
}
/* Added by Daniel J. Martinez Manzano */
public SSLSocket createSSLSocket(InetAddress address, int port)
throws IOException {
return createSSLSocket(address, port, null);
}
/* Added by Daniel J. Martinez Manzano */
public SSLSocket createSSLSocket(InetAddress address, int port,
InetAddress myAddress) throws IOException {
SSLSocket sock = (SSLSocket) sslSocketFactory.createSocket();
if (myAddress != null) {
// trying to bind to the correct ipaddress (in case of multiple vip addresses by example)
// and let the JDK pick an ephemeral port
sock.bind(new InetSocketAddress(myAddress, 0));
}
try {
sock.connect(new InetSocketAddress(address, port), 8000);
} catch (SocketTimeoutException e) {
throw new ConnectException("Socket timeout error (8sec)" + address + ":" + port);
}
return sock;
}
public Socket createSocket(InetAddress address, int port,
InetAddress myAddress) throws IOException {
if (myAddress != null) {
Socket sock = new Socket();
// trying to bind to the correct ipaddress (in case of multiple vip addresses by example)
// and let the JDK pick an ephemeral port
sock.bind(new InetSocketAddress(myAddress, 0));
try {
sock.connect(new InetSocketAddress(address, port), 8000);
} catch (SocketTimeoutException e) {
throw new ConnectException("Socket timeout error (8sec)" + address + ":" + port);
}
return sock;
}
else {
Socket sock = new Socket();
try {
sock.connect(new InetSocketAddress(address, port), 8000);
} catch (SocketTimeoutException e) {
throw new ConnectException("Socket timeout error (8sec)" + address + ":" + port);
}
return sock;
}
}
/**
* Creates a new Socket, binds it to myAddress:myPort and connects it to
* address:port.
*
* @param address the InetAddress that we'd like to connect to.
* @param port the port that we'd like to connect to
* @param myAddress the address that we are supposed to bind on or null
* for the "any" address.
* @param myPort the port that we are supposed to bind on or 0 for a random
* one.
*
* @return a new Socket, bound on myAddress:myPort and connected to
* address:port.
* @throws IOException if binding or connecting the socket fail for a reason
* (exception relayed from the correspoonding Socket methods)
*/
public Socket createSocket(InetAddress address, int port,
InetAddress myAddress, int myPort)
throws IOException
{
if (myAddress != null) {
Socket sock = new Socket();
// trying to bind to the correct ipaddress (in case of multiple vip addresses by example)
// and let the JDK pick an ephemeral port
sock.bind(new InetSocketAddress(myAddress, 0));
try {
sock.connect(new InetSocketAddress(address, port), 8000);
} catch (SocketTimeoutException e) {
throw new ConnectException("Socket timeout error (8sec)" + address + ":" + port);
}
return sock;
}
else {
Socket sock = new Socket();
if(myPort != 0) {
sock.bind(new InetSocketAddress(port));
}
try {
sock.connect(new InetSocketAddress(address, port), 8000);
} catch (SocketTimeoutException e) {
throw new ConnectException("Socket timeout error (8sec)" + address + ":" + port);
}
return sock;
}
// if (myAddress != null)
// return new Socket(address, port, myAddress, myPort);
// else if (port != 0)
// {
// //myAddress is null (i.e. any) but we have a port number
// Socket sock = new Socket();
// sock.bind(new InetSocketAddress(port));
// sock.connect(new InetSocketAddress(address, port));
// return sock;
// }
// else
// return new Socket(address, port);
}
@Override
public void setSipStack(SipStackImpl sipStackImpl) {}
}
