private void initAuthUserInfo(HttpURLConnection conn, String userInfo) {
String user;
String password;
if (userInfo != null) { // get the user and password
// System.out.println("UserInfo= " + userInfo );
int delimiter = userInfo.indexOf(':');
if (delimiter == -1) {
user = ParseUtil.decode(userInfo);
password = null;
} else {
user = ParseUtil.decode(userInfo.substring(0, delimiter++));
password = ParseUtil.decode(userInfo.substring(delimiter));
}
String plain = user + ":";
byte[] nameBytes = plain.getBytes();
byte[] passwdBytes = password.getBytes();
// concatenate user name and password bytes and encode them
byte[] concat = new byte[nameBytes.length + passwdBytes.length];
System.arraycopy(nameBytes, 0, concat, 0, nameBytes.length);
System.arraycopy(passwdBytes, 0, concat, nameBytes.length, passwdBytes.length);
String auth = "Basic " + new String(Base64.encode(concat));
conn.setRequestProperty("Authorization", auth);
if (dL > 0) d("Adding auth " + auth);
}
}
/**
* Returns the result of applying XOR on this attribute's address, using the specified transaction
* ID when converting IPv6 addresses.
*
* @param transactionID the transaction ID to use in case this attribute is encapsulating an IPv6
* address.
* @return the XOR-ed address.
*/
public TransportAddress getAddress(byte[] transactionID) {
byte[] xorMask = new byte[16];
System.arraycopy(Message.MAGIC_COOKIE, 0, xorMask, 0, 4);
System.arraycopy(transactionID, 0, xorMask, 4, 12);
return applyXor(xorMask);
}
/**
* Applies a XOR mask to the specified address and then sets it as the value transported by this
* attribute.
*
* @param address the address that we should xor and then record in this attribute.
* @param transactionID the transaction identifier that we should use when creating the XOR mask.
*/
public void setAddress(TransportAddress address, byte[] transactionID) {
byte[] xorMask = new byte[16];
System.arraycopy(Message.MAGIC_COOKIE, 0, xorMask, 0, 4);
System.arraycopy(transactionID, 0, xorMask, 4, 12);
TransportAddress xorAddress = applyXor(address, xorMask);
super.setAddress(xorAddress);
}
private byte[] getChars(int chars) {
try {
lock.getBusyFlag();
byte c[] = new byte[chars];
System.arraycopy(result, 0, c, 0, chars);
reslen -= chars;
System.arraycopy(result, chars, result, 0, reslen);
full.cvSignal();
return c;
} finally {
lock.freeBusyFlag();
}
}
public static ClassLoader extendClassLoader(ClassLoader root, ClassLoader classLoader, URL url) {
// URL classloader doesn't seem to delegate to parent classloader properly
// so if you get a chain of them then it fails to find things. Here we
// make sure that all of our added URLs end up within a single URLClassloader
// with its parent being the one that loaded this class itself
if (classLoader instanceof URLClassLoader) {
URL[] old = ((URLClassLoader) classLoader).getURLs();
URL[] new_urls = new URL[old.length + 1];
System.arraycopy(old, 0, new_urls, 1, old.length);
new_urls[0] = url;
classLoader =
new URLClassLoader(new_urls, classLoader == root ? classLoader : classLoader.getParent());
} else {
classLoader = new URLClassLoader(new URL[] {url}, classLoader);
}
return (classLoader);
}
/**
* @param data Guaranteed to be non null
* @param offset
* @param length
*/
public void send(byte[] data, int offset, int length) throws Exception {
if (sender != null) {
byte[] copy = new byte[length];
System.arraycopy(data, offset, copy, 0, length);
sender.addToQueue(new Buffer(copy, 0, length));
} else _send(data, offset, length, true, true);
}
/**
* Returns a clone of this SnmpContextv3.
*
* @exception CloneNotSupportedException Thrown when the constructor generates an IOException
*/
public Object clone() throws CloneNotSupportedException {
SnmpContextv3 clContext = null;
try {
clContext = new SnmpContextv3(hostAddr, hostPort, typeSocket);
clContext.setUserName(new String(userName));
clContext.setUseAuthentication(useAuthentication);
if (userAuthenticationPassword != null) {
clContext.setUserAuthenticationPassword(new String(userAuthenticationPassword));
}
clContext.setAuthenticationProtocol(authenticationProtocol);
/*
clContext.setUsePrivacy(usePrivacy);
if (userPrivacyPassword != null)
{
clContext.setUserPrivacyPassword(new String(userPrivacyPassword));
}
*/
clContext.setContextName(new String(contextName));
int l = contextEngineId.length;
byte[] newContextEngineId = new byte[l];
System.arraycopy(contextEngineId, 0, newContextEngineId, 0, l);
clContext.setContextEngineId(newContextEngineId);
} catch (java.io.IOException exc) {
throw new CloneNotSupportedException("IOException " + exc.getMessage());
}
return clContext;
}
/**
* Open FBS file identified by {@link #fbsURL}. The stream is positioned at the entry point
* described by <code>entryPoint</code>.
*
* @param entryPoint entry point information.
* @return a newly created FBS input stream on success, <code>null</code> if any error occured and
* the FBS stream is not opened.
* @throws java.io.IOException if an I/O exception occurs.
*/
private FbsInputStream openFbsFile(FbsEntryPoint entry) throws IOException {
System.err.println("Entering FBS at " + entry.timestamp + " ms");
// Make sure the protocol is HTTP.
if (!fbkURL.getProtocol().equalsIgnoreCase("http")
|| !fbsURL.getProtocol().equalsIgnoreCase("http")) {
System.err.println("Indexed access requires HTTP protocol in URLs");
return null;
}
// Seek to the keyframe.
InputStream is = openHttpByteRange(fbkURL, entry.key_fpos, entry.key_size);
if (is == null) {
return null;
}
// Load keyframe data from the .fbk file, prepend RFB initialization data.
DataInputStream data = new DataInputStream(is);
byte[] keyData = new byte[rfbInitData.length + (int) entry.key_size];
System.arraycopy(rfbInitData, 0, keyData, 0, rfbInitData.length);
data.readFully(keyData, rfbInitData.length, (int) entry.key_size);
data.close();
// Open the FBS stream.
is = openHttpByteRange(fbsURL, entry.fbs_fpos, -1);
if (is == null) {
return null;
}
return new FbsInputStream(is, entry.timestamp, keyData, entry.fbs_skip);
}
public static File[] getSystemLibs() {
File javaHome = new File(System.getProperty("java.home"));
File libDir = new File(javaHome, "lib");
File extDir = new File(libDir, "ext");
File osxDir = new File(javaHome.getParentFile(), "Classes");
File[][] libsArray =
new File[][] {
getLibraryFiles(libDir), getLibraryFiles(osxDir), getLibraryFiles(extDir),
};
int nLibs = 0;
for (int i = 0; i < libsArray.length; i++) {
if (libsArray[i] != null) {
nLibs += libsArray[i].length;
}
}
File[] libs = new File[nLibs];
int destPos = 0;
for (int i = 0; i < libsArray.length; i++) {
if (libsArray[i] != null) {
System.arraycopy(libsArray[i], 0, libs, destPos, libsArray[i].length);
destPos += libsArray[i].length;
}
}
return libs;
}
/**
* Gets a <tt>MultiplexedDatagramSocket</tt> which filters <tt>DatagramPacket</tt>s away from this
* <tt>DatagramSocket</tt> using a specific <tt>DatagramPacketFilter</tt>. If such a
* <tt>MultiplexedDatagramSocket</tt> does not exist in this instance, it is created.
*
* @param filter the <tt>DatagramPacketFilter</tt> to get a <tt>MultiplexedDatagramSocket</tt> for
* @return a <tt>MultiplexedDatagramSocket</tt> which filters <tt>DatagramPacket</tt>s away from
* this <tt>DatagramSocket</tt> using the specified <tt>filter</tt>
* @throws SocketException if creating the <tt>MultiplexedDatagramSocket</tt> for the specified
* <tt>filter</tt> fails
*/
public MultiplexedDatagramSocket getSocket(DatagramPacketFilter filter) throws SocketException {
if (filter == null) throw new NullPointerException("filter");
synchronized (socketsSyncRoot) {
/*
* If a socket for the specified filter exists already, do not
* create a new one and return the existing.
*/
for (MultiplexedDatagramSocket socket : sockets)
if (filter.equals(socket.getFilter())) return socket;
// Create a new socket for the specified filter.
MultiplexedDatagramSocket socket = new MultiplexedDatagramSocket(this, filter);
// Remember the new socket.
int socketCount = sockets.length;
if (socketCount == 0) sockets = new MultiplexedDatagramSocket[] {socket};
else {
MultiplexedDatagramSocket[] newSockets = new MultiplexedDatagramSocket[socketCount + 1];
System.arraycopy(sockets, 0, newSockets, 0, socketCount);
newSockets[socketCount] = socket;
sockets = newSockets;
}
return socket;
}
}
/**
* Copies the properties of a specific <tt>DatagramPacket</tt> to another <tt>DatagramPacket</tt>.
* The property values are not cloned.
*
* @param src the <tt>DatagramPacket</tt> which is to have its properties copied to <tt>dest</tt>
* @param dest the <tt>DatagramPacket</tt> which is to have its properties set to the value of the
* respective properties of <tt>src</tt>
*/
public static void copy(DatagramPacket src, DatagramPacket dest) {
synchronized (dest) {
dest.setAddress(src.getAddress());
dest.setPort(src.getPort());
byte[] srcData = src.getData();
if (srcData == null) dest.setLength(0);
else {
byte[] destData = dest.getData();
if (destData == null) dest.setLength(0);
else {
int destOffset = dest.getOffset();
int destLength = destData.length - destOffset;
int srcLength = src.getLength();
if (destLength >= srcLength) destLength = srcLength;
else if (logger.isLoggable(Level.WARNING)) {
logger.log(Level.WARNING, "Truncating received DatagramPacket data!");
}
System.arraycopy(srcData, src.getOffset(), destData, destOffset, destLength);
dest.setLength(destLength);
}
}
}
}
public void run() {
runs = true;
// notification about starting the input process
stream.postEvent(new ServerEvent(this, stream, ServerEvent.INPUT_START));
changeState(new HeaderDetectionState(this, stream));
byte[] buffer = new byte[65535];
int offset = 0;
int length = 0;
while (runs && stream.running()) {
try {
// starting time of the transfer
long transferStart = new Date().getTime();
// reading data
int red = input.read(buffer, offset, buffer.length - offset);
// notification about the transfer
stream.postEvent(
new TransferEvent(
this,
stream,
TransferEvent.STREAM_INPUT,
red,
new Date().getTime() - transferStart));
if (red == -1) runs = false;
length += red;
int newOffset = currentState.processData(buffer, 0, length);
if (newOffset < offset + length) {
length = length - newOffset;
System.arraycopy(buffer, newOffset, buffer, 0, length);
offset = length;
} else {
length = 0;
offset = 0;
}
} catch (SocketTimeoutException e) {
continue;
} catch (Exception e) {
e.printStackTrace();
runs = false;
}
}
try {
input.close();
} catch (Exception e) {
throw new RuntimeException(e);
}
// notification about ending the input process
stream.postEvent(new ServerEvent(this, stream, ServerEvent.INPUT_STOP));
}
public static void bootFromURIWithDT(
ARMv5 cpu, RAM ramMain, String dtree, String kimage, String initrd, String cmdline) {
byte[] cmdlb = cmdline.getBytes();
// +1: need null char at the end of line
byte[] cmdalign = new byte[(cmdlb.length + 1 + 3) & ~0x3];
System.arraycopy(cmdlb, 0, cmdalign, 0, cmdlb.length);
final int addrRAM = 0x00000000;
final int addrDT = addrRAM + 0x800000;
int sizeDT = 0;
final int addrImage = addrRAM + 0x008000;
int sizeImage = 0;
final int addrInitrd = addrRAM + 0x00810000;
int sizeInitrd = 0;
boolean initrdExist = !initrd.equals("");
// tentative boot loader for ARM Linux with Device Tree
try {
// load Device Tree Blob
sizeDT = loadURIResource(new URI(dtree), cpu, addrDT);
// load Image file
sizeImage = loadURIResource(new URI(kimage), cpu, addrImage);
// load Initrd/InitramFS file
if (initrdExist) {
sizeInitrd = loadURIResource(new URI(initrd), cpu, addrInitrd);
}
} catch (URISyntaxException e) {
e.printStackTrace(System.err);
return;
}
// report address mapping
System.out.printf(
"Address mapping:\n"
+ " RAM : 0x%08x\n"
+ " DeviceTree: 0x%08x - 0x%08x\n"
+ " Kernel : 0x%08x - 0x%08x\n"
+ " InitramFS : 0x%08x - 0x%08x\n",
addrRAM,
addrDT,
addrDT + sizeDT - 1,
addrImage,
addrImage + sizeImage - 1,
addrInitrd,
addrInitrd + sizeInitrd - 1);
// r0: 0
cpu.setReg(0, 0);
// r1: Do not care.
cpu.setReg(1, 0);
// r2: Device tree blob pointer.
cpu.setReg(2, addrDT);
// pc: entry of stext
cpu.setPC(addrImage);
cpu.setJumped(false);
}
private byte[] merge(Hashtable msght) {
int s = msght.size();
// System.out.println("--------------------s="+s);
byte[] tmpb = (byte[]) msght.get("" + s + "_" + (s - 1));
int tmpi = tmpb.length;
// System.out.println("-----------------1tmpi="+tmpi);
int len = (s - 1) * MAX_PACKET_LENGTH + tmpi;
byte[] tmpbuf = new byte[len];
// System.out.println("-----------------1---");
System.arraycopy(tmpb, 0, tmpbuf, (s - 1) * MAX_PACKET_LENGTH, tmpi);
for (int i = 0; i < (s - 1); i++) {
tmpb = (byte[]) msght.get("" + s + "_" + i);
System.arraycopy(tmpb, 0, tmpbuf, i * MAX_PACKET_LENGTH, MAX_PACKET_LENGTH);
}
return tmpbuf;
}
/**
* Closes a specific <tt>MultiplexedDatagramSocket</tt> which filters <tt>DatagramPacket</tt>s
* away from this <tt>DatagramSocket</tt>.
*
* @param multiplexed the <tt>MultiplexedDatagramSocket</tt> to close
*/
void close(MultiplexedDatagramSocket multiplexed) {
synchronized (socketsSyncRoot) {
int socketCount = sockets.length;
for (int i = 0; i < socketCount; i++)
if (sockets[i].equals(multiplexed)) {
if (socketCount == 1) sockets = NO_SOCKETS;
else {
MultiplexedDatagramSocket[] newSockets = new MultiplexedDatagramSocket[socketCount - 1];
System.arraycopy(sockets, 0, newSockets, 0, i);
System.arraycopy(sockets, i + 1, newSockets, i, newSockets.length - i);
sockets = newSockets;
}
break;
}
}
}
/**
* Copies the content of the most recently received packet into <tt>data</tt>.
*
* @param buffer an optional <tt>Buffer</tt> instance associated with the specified <tt>data</tt>,
* <tt>offset</tt> and <tt>length</tt> and provided to the method in case the implementation
* would like to provide additional <tt>Buffer</tt> properties such as <tt>flags</tt>
* @param data the <tt>byte[]</tt> that we'd like to copy the content of the packet to.
* @param offset the position where we are supposed to start writing in <tt>data</tt>.
* @param length the number of <tt>byte</tt>s available for writing in <tt>data</tt>.
* @return the number of bytes read
* @throws IOException if <tt>length</tt> is less than the size of the packet.
*/
protected int read(Buffer buffer, byte[] data, int offset, int length) throws IOException {
if (data == null) throw new NullPointerException("data");
if (ioError) return -1;
RawPacket pkt;
synchronized (pktSyncRoot) {
pkt = this.pkt;
this.pkt = null;
}
int pktLength;
if (pkt == null) {
pktLength = 0;
} else {
// By default, pkt will be returned to the pool after it was read.
boolean poolPkt = true;
try {
pktLength = pkt.getLength();
if (length < pktLength) {
/*
* If pkt is still the latest RawPacket made available to
* reading, reinstate it for the next invocation of read;
* otherwise, return it to the pool.
*/
poolPkt = false;
throw new IOException("Input buffer not big enough for " + pktLength);
} else {
byte[] pktBuffer = pkt.getBuffer();
if (pktBuffer == null) {
throw new NullPointerException(
"pkt.buffer null, pkt.length " + pktLength + ", pkt.offset " + pkt.getOffset());
} else {
System.arraycopy(pkt.getBuffer(), pkt.getOffset(), data, offset, pktLength);
if (buffer != null) buffer.setFlags(pkt.getFlags());
}
}
} finally {
if (!poolPkt) {
synchronized (pktSyncRoot) {
if (this.pkt == null) this.pkt = pkt;
else poolPkt = true;
}
}
if (poolPkt) {
// Return pkt to the pool because it was successfully read.
poolRawPacket(pkt);
}
}
}
return pktLength;
}
/**
* 以阻塞的方式立即下载一个文件，该方法会覆盖已经存在的文件
*
* @param task
* @return "ok" if download success (else return errmessage);
*/
static String download(DownloadTask task) {
if (!openedStatus && show) openStatus();
URL url;
HttpURLConnection conn;
try {
url = new URL(task.getOrigin());
conn = (HttpURLConnection) url.openConnection();
conn.setConnectTimeout(30000);
conn.setReadTimeout(30000);
conn.setRequestProperty(
"User-Agent",
"Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/43.0.2357.134 Safari/"
+ Math.random());
if ("www.imgjav.com".equals(url.getHost())) { // 该网站需要带cookie请求
conn.setRequestProperty(
"User-Agent",
"Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/43.0.2357.134 Safari/537.36");
// conn.setRequestProperty("Cookie", "__cfduid=d219ea333c7a9b5743b572697b631925a1446093229;
// cf_clearance=6ae62d843f5d09acf393f9e4eb130d9366840c82-1446093303-28800");
conn.setRequestProperty(
"Cookie",
"__cfduid=d6ee846b378bb7d5d173a05541f8a2b6a1446090548; cf_clearance=ea10e8db31f8b6ee51570b118dd89b7e616d7b62-1446099714-28800");
conn.setRequestProperty("Host", "www.imgjav.com");
}
Path directory = Paths.get(task.getDest()).getParent();
if (!Files.exists(directory)) Files.createDirectories(directory);
} catch (Exception e) {
e.printStackTrace();
return e.getMessage();
}
try (InputStream is = conn.getInputStream();
BufferedInputStream in = new BufferedInputStream(is);
FileOutputStream fos = new FileOutputStream(task.getDest());
OutputStream out = new BufferedOutputStream(fos); ) {
int length = conn.getContentLength();
if (length < 1) throw new IOException("length<1");
byte[] binary = new byte[length];
byte[] buff = new byte[65536];
int len;
int index = 0;
while ((len = in.read(buff)) != -1) {
System.arraycopy(buff, 0, binary, index, len);
index += len;
allLen += len; // allLen有线程安全的问题 ，可能会不正确。无需精确数据，所以不同步了
task.setReceivePercent(String.format("%.2f", ((float) index / length) * 100) + "%");
}
out.write(binary);
} catch (IOException e) {
e.printStackTrace();
return e.getMessage();
}
return "ok";
}
public void respond(DatagramPacket packet) {
byte[] data = new byte[packet.getLength()];
System.arraycopy(packet.getData(), 0, data, 0, packet.getLength());
try {
String s = new String(data, "8859_1");
System.out.println(packet.getAddress() + " at port " + packet.getPort() + " says " + s);
} catch (java.io.UnsupportedEncodingException ex) {
// This shouldn't happen
}
}
/**
* @param data Guaranteed to be non null
* @param offset
* @param length
*/
private void send(byte[] data, int offset, int length) throws Exception {
if (isSenderUsed()) {
// we need to copy the byte[] buffer here because the original buffer might get
// changed meanwhile
byte[] tmp = new byte[length];
System.arraycopy(data, offset, tmp, 0, length);
sender.addToQueue(tmp);
} else {
_send(data, offset, length, true);
}
}
private byte getChar() {
try {
lock.getBusyFlag();
byte c = result[0];
System.arraycopy(result, 1, result, 0, --reslen);
full.cvSignal();
return c;
} finally {
lock.freeBusyFlag();
}
}
protected static Object[] extractMockArguments(Object[] args) {
int i = 7;
if (args.length > i) {
Object[] mockArgs = new Object[args.length - i];
System.arraycopy(args, i, mockArgs, 0, mockArgs.length);
return mockArgs;
}
return EMPTY_ARGS;
}
public String sendDetails(String password, byte[] phash, String transactionID, byte[] spdata)
throws RemoteException, NotBoundException, NoSuchAlgorithmException, NoSuchPaddingException,
InvalidKeyException, IllegalBlockSizeException, BadPaddingException {
Cipher cipher = Cipher.getInstance("RSA");
cipher.init(Cipher.DECRYPT_MODE, privateKey);
byte[] cipherData = cipher.doFinal(spdata);
String x = new String(cipherData);
String sp[] = new String[10];
StringTokenizer st = new StringTokenizer(x.toString(), "|");
int count = 0;
StringBuilder message = new StringBuilder();
while (st.hasMoreTokens()) {
sp[count] = st.nextToken();
count++;
}
String decodemessgae = new String();
if (securePassword.equals(sp[1]) && serviceProviderId.equals(sp[0].toString().trim())) {
System.out.println("hellosubba");
if (transactionID.equals(transactionDetails[0].toString())) {
int qrData[] = new int[16];
for (int i = 0; i < password.length(); i++) {
message.append(password.charAt(i) ^ bioTemplate.charAt(i));
}
for (int i = 0; i < message.length(); i++) {
if (message.charAt(i) == '1') {
decodemessgae += '0';
} else decodemessgae += '1';
}
int start = 56, end = 63;
for (int i = 0; i < 16; i++) {
qrData[i] = Integer.parseInt(decodemessgae.substring(start, end), 2);
start += 64;
end += 64;
}
RsDecode dec = new RsDecode(16);
int r = dec.decode(qrData);
System.out.println("r=" + r);
System.out.println("qrData=" + java.util.Arrays.toString(qrData));
int[] MM = new int[qrData.length + 16];
System.arraycopy(qrData, 0, MM, 0, qrData.length);
RsEncode enc = new RsEncode(16);
enc.encode(MM);
System.out.println("qrData=" + java.util.Arrays.toString(MM));
}
} else {
message.append("unkonw third party user");
}
return message.toString();
}
public static byte[] stringToArray(String s) {
byte[] out = null;
if (s == null) {
out = new byte[4];
integerToArray(-1, out, 0);
} else {
byte[] sb = s.getBytes();
out = new byte[sb.length + 4];
integerToArray(sb.length, out, 0);
System.arraycopy(sb, 0, out, 4, sb.length);
}
return out;
}
public Pdu processIncomingTrap(byte[] message) throws DecodingException, IOException {
int l = message.length;
byte[] copyOfMessage = new byte[l];
System.arraycopy(message, 0, copyOfMessage, 0, l);
AsnDecoder rpdu = new AsnDecoder();
ByteArrayInputStream in = new ByteArrayInputStream(message);
AsnSequence asnTopSeq = rpdu.DecodeSNMPv3(in);
AsnPduSequence pduSeq = rpdu.processSNMPv3(this, asnTopSeq, copyOfMessage);
TrapPduv2 trapPdu = new uk.co.westhawk.snmp.pdu.OneTrapPduv2(this);
trapPdu.fillin(pduSeq);
return trapPdu;
}
public byte[] decryptCards(final String password, final byte[] ciphertext) throws Exception {
final MessageDigest shaDigest = MessageDigest.getInstance("SHA-1");
byte[] pw1 = password.getBytes("UTF-8");
byte[] keyHash1 = shaDigest.digest(pw1);
keyHash1 = shaDigest.digest(keyHash1);
byte[] pw2 = new byte[keyHash1.length + pw1.length];
System.arraycopy(keyHash1, 0, pw2, 0, keyHash1.length);
System.arraycopy(pw1, 0, pw2, keyHash1.length, pw1.length);
byte[] keyHash2 = shaDigest.digest(pw2);
keyHash2 = shaDigest.digest(keyHash2);
byte[] key = new byte[16];
System.arraycopy(keyHash1, 0, key, 0, key.length);
byte[] iv = new byte[16];
System.arraycopy(keyHash1, 16, iv, 0, 4);
System.arraycopy(keyHash2, 0, iv, 4, 12);
Cipher cipher = Cipher.getInstance("AES/CBC/NoPadding");
cipher.init(Cipher.DECRYPT_MODE, new SecretKeySpec(key, "AES"), new IvParameterSpec(iv));
return cipher.doFinal(ciphertext);
}
/** Object: size = variable */
public static byte[] objectToArray(Object s) {
try {
ByteArrayOutputStream baos = new ByteArrayOutputStream();
ObjectOutputStream oos = new ObjectOutputStream(baos);
oos.writeObject(s);
oos.close();
baos.close();
byte[] sb = baos.toByteArray();
byte[] out = new byte[sb.length + 4];
integerToArray(sb.length, out, 0);
System.arraycopy(sb, 0, out, 4, sb.length);
return out;
} catch (IOException e) {
e.printStackTrace();
throw new RuntimeException("unable to serialize packet", e);
}
}
/**
* Concat arrays in one.
*
* @param arrays Arrays.
* @return Summary array.
*/
public static int[] concat(int[]... arrays) {
assert arrays != null;
assert arrays.length > 1;
int len = 0;
for (int[] a : arrays) len += a.length;
int[] r = Arrays.copyOf(arrays[0], len);
for (int i = 1, shift = 0; i < arrays.length; i++) {
shift += arrays[i - 1].length;
System.arraycopy(arrays[i], 0, r, shift, arrays[i].length);
}
return r;
}
/**
* Adds a <tt>DatagramPacketFilter</tt> which allows dropping <tt>DatagramPacket</tt>s before they
* are converted into <tt>RawPacket</tt>s.
*
* @param datagramPacketFilter the <tt>DatagramPacketFilter</tt> which allows dropping
* <tt>DatagramPacket</tt>s before they are converted into <tt>RawPacket</tt>s
*/
public synchronized void addDatagramPacketFilter(DatagramPacketFilter datagramPacketFilter) {
if (datagramPacketFilter == null) throw new NullPointerException("datagramPacketFilter");
if (datagramPacketFilters == null) {
datagramPacketFilters = new DatagramPacketFilter[] {datagramPacketFilter};
} else {
final int length = datagramPacketFilters.length;
for (int i = 0; i < length; i++)
if (datagramPacketFilter.equals(datagramPacketFilters[i])) return;
DatagramPacketFilter[] newDatagramPacketFilters = new DatagramPacketFilter[length + 1];
System.arraycopy(datagramPacketFilters, 0, newDatagramPacketFilters, 0, length);
newDatagramPacketFilters[length] = datagramPacketFilter;
datagramPacketFilters = newDatagramPacketFilters;
}
}
/**
* Compute the hash an IP address. The hash is the first 8 bytes of the SHA digest of the IP
* address.
*/
private static byte[] computeAddressHash() {
/*
* Get the local host's IP address.
*/
byte[] addr =
(byte[])
java.security.AccessController.doPrivileged(
new PrivilegedAction() {
public Object run() {
try {
return InetAddress.getLocalHost().getAddress();
} catch (Exception e) {
}
return new byte[] {0, 0, 0, 0};
}
});
byte[] addrHash;
final int ADDR_HASH_LENGTH = 8;
try {
/*
* Calculate message digest of IP address using SHA.
*/
MessageDigest md = MessageDigest.getInstance("SHA");
ByteArrayOutputStream sink = new ByteArrayOutputStream(64);
DataOutputStream out = new DataOutputStream(new DigestOutputStream(sink, md));
out.write(addr, 0, addr.length);
out.flush();
byte digest[] = md.digest();
int hashlength = Math.min(ADDR_HASH_LENGTH, digest.length);
addrHash = new byte[hashlength];
System.arraycopy(digest, 0, addrHash, 0, hashlength);
} catch (IOException ignore) {
/* can't happen, but be deterministic anyway. */
addrHash = new byte[0];
} catch (NoSuchAlgorithmException complain) {
throw new InternalError(complain.toString());
}
return addrHash;
}
static byte[] sendReq(byte abyte0[], int i, String s, int j) throws Exception {
DatagramSocket datagramsocket = new DatagramSocket(i);
try {
datagramsocket.setSoTimeout(30000);
datagramsocket.send(new DatagramPacket(abyte0, abyte0.length, InetAddress.getByName(s), j));
byte abyte1[] = new byte[512];
DatagramPacket datagrampacket = new DatagramPacket(abyte1, abyte1.length);
datagramsocket.receive(datagrampacket);
byte abyte2[] = new byte[datagrampacket.getLength()];
System.arraycopy(datagrampacket.getData(), 0, abyte2, 0, datagrampacket.getLength());
datagramsocket.close();
return abyte2;
} catch (Exception exception) {
try {
datagramsocket.close();
} catch (Exception exception1) {
}
throw exception;
}
}
