private void doConnect(InetSocketAddress addr) throws IOException {
dest = new Socket();
try {
dest.connect(addr, 10000);
} catch (SocketTimeoutException ex) {
sendError(HOST_UNREACHABLE);
return;
} catch (ConnectException cex) {
sendError(CONN_REFUSED);
return;
}
// Success
InetAddress iadd = addr.getAddress();
if (iadd instanceof Inet4Address) {
out.write(PROTO_VERS);
out.write(REQUEST_OK);
out.write(0);
out.write(IPV4);
out.write(iadd.getAddress());
} else if (iadd instanceof Inet6Address) {
out.write(PROTO_VERS);
out.write(REQUEST_OK);
out.write(0);
out.write(IPV6);
out.write(iadd.getAddress());
} else {
sendError(GENERAL_FAILURE);
return;
}
out.write((addr.getPort() >> 8) & 0xff);
out.write((addr.getPort() >> 0) & 0xff);
out.flush();
InputStream in2 = dest.getInputStream();
OutputStream out2 = dest.getOutputStream();
Tunnel tunnel = new Tunnel(in2, out);
tunnel.start();
int b = 0;
do {
// Note that the socket might be closed from another thread (the tunnel)
try {
b = in.read();
if (b == -1) {
in.close();
out2.close();
return;
}
out2.write(b);
} catch (IOException ioe) {
}
} while (!client.isClosed());
}
/** List file names */
public Enumeration nlst(String s) throws IOException {
InetAddress inetAddress = InetAddress.getLocalHost();
byte ab[] = inetAddress.getAddress();
serverSocket_ = new ServerSocket(0, 1);
StringBuffer sb = new StringBuffer(32);
sb.append("PORT ");
for (int i = 0; i < ab.length; i++) {
sb.append(String.valueOf(ab[i] & 255));
sb.append(",");
}
sb.append(String.valueOf(serverSocket_.getLocalPort() >>> 8 & 255));
sb.append(",");
sb.append(String.valueOf(serverSocket_.getLocalPort() & 255));
if (issueCommand(sb.toString()) != FTP_SUCCESS) {
serverSocket_.close();
throw new IOException(getResponseString());
} else if (issueCommand("NLST " + ((s == null) ? "" : s)) != FTP_SUCCESS) {
serverSocket_.close();
throw new IOException(getResponseString());
}
dataSocket_ = serverSocket_.accept();
serverSocket_.close();
serverSocket_ = null;
Vector v = readServerResponse_(dataSocket_.getInputStream());
dataSocket_.close();
dataSocket_ = null;
return (v == null) ? null : v.elements();
}
public byte[] getRAddr() {
try {
InetAddress addr = InetAddress.getByName(host);
return addr.getAddress();
} catch (UnknownHostException e) {
System.err.println("NCCPConnection::getRAddr Don't know about host: ");
return null;
}
}
public static String inaddrString(InetAddress addr) {
byte[] address = addr.getAddress();
StringBuffer sb = new StringBuffer();
for (int i = 3; i >= 0; i--) {
sb.append(address[i] & 0xFF);
sb.append(".");
}
sb.append(".IN-ADDR.ARPA.");
return sb.toString();
}
/** Converts rdata to a String */
public String rrToString() {
InetAddress addr;
try {
addr = InetAddress.getByAddress(null, address);
} catch (UnknownHostException e) {
return null;
}
if (addr.getAddress().length == 4) {
// Deal with Java's broken handling of mapped IPv4 addresses.
StringBuffer sb = new StringBuffer("0:0:0:0:0:ffff:");
int high = ((address[12] & 0xFF) << 8) + (address[13] & 0xFF);
int low = ((address[14] & 0xFF) << 8) + (address[15] & 0xFF);
sb.append(Integer.toHexString(high));
sb.append(':');
sb.append(Integer.toHexString(low));
return sb.toString();
}
return addr.getHostAddress();
}
void rdataFromString(Tokenizer st, Name origin) throws IOException {
InetAddress address = st.getAddress(Address.IPv4);
addr = fromArray(address.getAddress());
}
/**
* 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());
}
/** InetAddress: size = 4 */
public static void InetAddressToArray(InetAddress inet, byte[] b, int offset) {
System.arraycopy(inet.getAddress(), 0, b, offset, 4);
}
/**
* 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.getAddress();
}
/** {@inheritDoc} */
@Override
public void writeExternal(ObjectOutput out) throws IOException {
super.writeExternal(out);
U.writeByteArray(out, addr.getAddress());
}
void rrToWire(DNSOutput out, Compression c, boolean canonical) {
out.writeByteArray(address.getAddress());
}
