/**
* Sets client command line in an editing state and submits data to server unless it is
* interrupted by the user.
*
* @param rNbr
* @throws IOException
*/
private static void editRecord(String rNbr) throws IOException {
Record record = null;
boolean isDone = false;
for (Record r : records) {
if (r.getId() == Long.parseLong(rNbr)) {
record = r;
}
}
while (!isDone) {
System.out.println("OLD: " + record.getMedicalData());
System.out.print("NEW: ");
msg = read.readLine();
System.out.println("Save change? <yes>/<no>");
String ans = read.readLine();
if (ans.equalsIgnoreCase("yes")) {
out.println(msg);
out.flush();
isDone = true;
System.out.println("Successfully edited record.");
}
}
}
public static void main(String[] args) throws IOException {
System.out.println("opening a secure socket");
SSLServerSocketFactory secSocketFactory =
(SSLServerSocketFactory) SSLServerSocketFactory.getDefault();
SSLServerSocket secSocket = (SSLServerSocket) secSocketFactory.createServerSocket(portNo);
String[] enabledCipherSuites = {"SSL_DH_anon_WITH_RC4_128_MD5"};
secSocket.setEnabledCipherSuites(enabledCipherSuites);
System.out.println("Listening on port no: " + portNo);
SSLSocket socket = (SSLSocket) secSocket.accept();
System.out.println("Got a connection from: " + socket.getInetAddress().toString());
PrintWriter out = new PrintWriter(socket.getOutputStream(), true);
BufferedReader in = new BufferedReader(new InputStreamReader(socket.getInputStream()));
String line = in.readLine();
while (line != null) {
System.out.println(line);
line = in.readLine();
}
out.close();
in.close();
socket.close();
secSocket.close();
}
public static String httsRequest(String url, String contentdata) {
String str_return = "";
SSLContext sc = null;
try {
sc = SSLContext.getInstance("SSL");
} catch (NoSuchAlgorithmException e) {
e.printStackTrace();
}
try {
sc.init(
null, new TrustManager[] {new TrustAnyTrustManager()}, new java.security.SecureRandom());
} catch (KeyManagementException e) {
e.printStackTrace();
}
URL console = null;
try {
console = new URL(url);
} catch (MalformedURLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
HttpsURLConnection conn;
try {
conn = (HttpsURLConnection) console.openConnection();
conn.setRequestMethod("POST");
conn.setSSLSocketFactory(sc.getSocketFactory());
conn.setHostnameVerifier(new TrustAnyHostnameVerifier());
conn.setRequestProperty("Accept", "application/json");
conn.setDoInput(true);
conn.setDoOutput(true);
// contentdata="username=arcgis&password=arcgis123&client=requestip&f=json"
String inpputs = contentdata;
OutputStream os = conn.getOutputStream();
os.write(inpputs.getBytes());
os.close();
conn.connect();
InputStream is = conn.getInputStream();
// // DataInputStream indata = new DataInputStream(is);
BufferedReader reader = new BufferedReader(new InputStreamReader(is));
String ret = "";
while (ret != null) {
ret = reader.readLine();
if (ret != null && !ret.trim().equals("")) {
str_return = str_return + ret;
}
}
is.close();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
return str_return;
}
public static void main(String args[]) throws Exception {
// System.setProperty("javax.net.ssl.trustStore",
// "clienttrust");
SSLSocketFactory ssf = (SSLSocketFactory) SSLSocketFactory.getDefault();
Socket s = ssf.createSocket("127.0.0.1", 5432);
BufferedReader in = new BufferedReader(new InputStreamReader(s.getInputStream()));
String x = in.readLine();
System.out.println(x);
in.close();
}
public static void main(String args[]) {
int port = 6502;
SSLServerSocket server;
try {
// get the keystore into memory
KeyStore ks = KeyStore.getInstance("JKS");
ks.load(new FileInputStream(keyStore), keyStorePass);
// initialize the key manager factory with the keystore data
KeyManagerFactory kmf = KeyManagerFactory.getInstance("SunX509");
kmf.init(ks, keyStorePass);
// initialize the SSLContext engine
// may throw NoSuchProvider or NoSuchAlgorithm exception
// TLS - Transport Layer Security most generic
SSLContext sslContext = SSLContext.getInstance("TLS");
// Inititialize context with given KeyManagers, TrustManagers,
// SecureRandom defaults taken if null
sslContext.init(kmf.getKeyManagers(), null, null);
// Get ServerSocketFactory from the context object
ServerSocketFactory ssf = sslContext.getServerSocketFactory();
// Now like programming with normal server sockets
ServerSocket serverSocket = ssf.createServerSocket(port);
System.out.println("Accepting secure connections");
Socket client = serverSocket.accept();
System.out.println("Got connection");
BufferedWriter out = new BufferedWriter(new OutputStreamWriter(client.getOutputStream()));
BufferedReader in = new BufferedReader(new InputStreamReader(client.getInputStream()));
String username = in.readLine();
String password = in.readLine();
if (username.equals("Josh") && password.equals("GoBucs")) {
out.write("Greeting Client");
} else {
out.write("Sorry, you are not authorized");
}
out.flush();
in.close();
out.close();
} catch (Exception e) {
System.out.println("Exception thrown " + e);
}
}
/**
* Sets client command line in a Record creation state before submitting to server, unless
* interrupted by user.
*
* @throws IOException
*/
private static void createRecord() throws IOException {
boolean isDone = false;
while (!isDone) {
System.out.println("CREATE as <nurseName> <patientName> <division> <medicalData>: ");
msg = read.readLine();
System.out.println("Save created record? <yes>/<no>");
String ans = read.readLine();
if (ans.equalsIgnoreCase("yes")) {
out.println(msg);
out.flush();
isDone = true;
}
}
if (!serverMsg.readLine().equals("created")) System.out.println("Input error.");
else System.out.println("Successfully created record.");
}
/**
* Query the server to check if user has permission x.
*
* @param msg
* @return
* @throws IOException
*/
private static boolean hasPermissions(String msg) throws IOException {
out.println(msg);
out.flush();
if (serverMsg.readLine().equalsIgnoreCase("granted")) {
return true;
}
return false;
}
/*
* Define the server side of the test.
*
* If the server prematurely exits, serverReady will be set to true
* to avoid infinite hangs.
*/
void doServerSide() throws Exception {
SSLServerSocketFactory sslssf = (SSLServerSocketFactory) SSLServerSocketFactory.getDefault();
SSLServerSocket sslServerSocket = (SSLServerSocket) sslssf.createServerSocket(serverPort);
serverPort = sslServerSocket.getLocalPort();
/*
* Signal Client, we're ready for his connect.
*/
serverReady = true;
SSLSocket sslSocket = (SSLSocket) sslServerSocket.accept();
try {
InputStream sslIS = sslSocket.getInputStream();
OutputStream sslOS = sslSocket.getOutputStream();
BufferedReader br = new BufferedReader(new InputStreamReader(sslIS));
PrintStream ps = new PrintStream(sslOS);
// process HTTP POST request from client
System.out.println("status line: " + br.readLine());
String msg = null;
while ((msg = br.readLine()) != null && msg.length() > 0) ;
msg = br.readLine();
if (msg.equals(postMsg)) {
ps.println("HTTP/1.1 200 OK\n\n");
} else {
ps.println("HTTP/1.1 500 Not OK\n\n");
}
ps.flush();
// close the socket
while (!closeReady) {
Thread.sleep(50);
}
} finally {
sslSocket.close();
sslServerSocket.close();
}
}
private void readCred() throws IOException {
String cPath = (String) configuration.getCustomProperty("cred.path");
if (StringUtils.isEmpty(cPath)) {
return;
}
File f = new File(cPath);
if (!f.exists()) {
return;
}
try (BufferedReader in =
new BufferedReader(new InputStreamReader(new FileInputStream(f), StandardCharsets.UTF_8))) {
String str;
while ((str = in.readLine()) != null) {
str = str.trim();
if (StringUtils.isEmpty(str) || str.startsWith("#")) {
continue;
}
String[] s = str.split("\\s*=\\s*", 2);
if (s.length < 2) {
continue;
}
if (!s[0].startsWith("web")) {
continue;
}
String[] s1 = s[0].split("\\.", 2);
String[] s2 = s[1].split(",", 2);
if (s2.length < 2) {
continue;
}
// s2[0] == usr s2[1] == pwd s1[1] == tag
users.put(s2[0], s2[1]);
if (s1.length > 1) {
// there is a tag here
tags.put(s2[0], s1[1]);
}
}
}
}
/*
* Define the client side of the test.
*
* If the server prematurely exits, serverReady will be set to true
* to avoid infinite hangs.
*/
void doClientSide() throws Exception {
/*
* Wait for server to get started.
*/
while (!serverReady) {
Thread.sleep(50);
}
System.setProperty("java.protocol.handler.pkgs", "com.sun.net.ssl.internal.www.protocol");
HttpsURLConnection.setDefaultHostnameVerifier(new NameVerifier());
URL url = new URL("https://" + "localhost:" + serverPort + "/etc/hosts");
URLConnection urlc = url.openConnection();
if (!(urlc instanceof com.sun.net.ssl.HttpsURLConnection)) {
throw new Exception("URLConnection ! instanceof " + "com.sun.net.ssl.HttpsURLConnection");
}
BufferedReader in = null;
try {
in = new BufferedReader(new InputStreamReader(urlc.getInputStream()));
String inputLine;
System.out.print("Client reading... ");
while ((inputLine = in.readLine()) != null) System.out.println(inputLine);
System.out.println("Cipher Suite: " + ((HttpsURLConnection) urlc).getCipherSuite());
X509Certificate[] certs = ((HttpsURLConnection) urlc).getServerCertificateChain();
for (int i = 0; i < certs.length; i++) {
System.out.println(certs[0]);
}
in.close();
} catch (SSLException e) {
if (in != null) in.close();
throw e;
}
System.out.println("Client reports: SUCCESS");
}
public static void main(String[] args) throws Exception {
String host;
int port;
char[] passphrase;
if ((args.length == 1) || (args.length == 2)) {
String[] c = args[0].split(":");
host = c[0];
port = (c.length == 1) ? 443 : Integer.parseInt(c[1]);
String p = (args.length == 1) ? "changeit" : args[1];
passphrase = p.toCharArray();
} else {
System.out.println("Usage: java InstallCert <host>[:port] [passphrase]");
return;
}
File file = new File("jssecacerts");
if (file.isFile() == false) {
char SEP = File.separatorChar;
File dir = new File(System.getProperty("java.home") + SEP + "lib" + SEP + "security");
file = new File(dir, "jssecacerts");
if (file.isFile() == false) {
file = new File(dir, "cacerts");
}
}
System.out.println("Loading KeyStore " + file + "...");
KeyStore ks;
InputStream in = new FileInputStream(file);
ks = KeyStore.getInstance(KeyStore.getDefaultType());
ks.load(in, passphrase);
SSLContext context = SSLContext.getInstance("TLS");
TrustManagerFactory tmf =
TrustManagerFactory.getInstance(TrustManagerFactory.getDefaultAlgorithm());
tmf.init(ks);
X509TrustManager defaultTrustManager = (X509TrustManager) tmf.getTrustManagers()[0];
SavingTrustManager tm = new SavingTrustManager(defaultTrustManager);
context.init(null, new TrustManager[] {tm}, null);
SSLSocketFactory factory = context.getSocketFactory();
System.out.println("Opening connection to " + host + ":" + port + "...");
SSLSocket socket = (SSLSocket) factory.createSocket(host, port);
socket.setSoTimeout(10000);
try {
System.out.println("Starting SSL handshake...");
socket.startHandshake();
socket.close();
System.out.println();
System.out.println("No errors, certificate is already trusted");
} catch (SSLException e) {
System.out.println();
e.printStackTrace(System.out);
}
X509Certificate[] chain = tm.chain;
if (chain == null) {
System.out.println("Could not obtain server certificate chain");
return;
}
BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
System.out.println();
System.out.println("Server sent " + chain.length + " certificate(s):");
System.out.println();
MessageDigest sha1 = MessageDigest.getInstance("SHA1");
MessageDigest md5 = MessageDigest.getInstance("MD5");
for (int i = 0; i < chain.length; i++) {
X509Certificate cert = chain[i];
System.out.println(" " + (i + 1) + " Subject " + cert.getSubjectDN());
System.out.println(" Issuer " + cert.getIssuerDN());
sha1.update(cert.getEncoded());
System.out.println(" sha1 " + toHexString(sha1.digest()));
md5.update(cert.getEncoded());
System.out.println(" md5 " + toHexString(md5.digest()));
System.out.println();
}
System.out.println("Enter certificate to add to trusted keystore or 'q' to quit: [1]");
String line = reader.readLine().trim();
int k;
try {
k = (line.length() == 0) ? 0 : Integer.parseInt(line) - 1;
} catch (NumberFormatException e) {
System.out.println("KeyStore not changed");
return;
}
X509Certificate cert = chain[k];
String alias = host + "-" + (k + 1);
ks.setCertificateEntry(alias, cert);
OutputStream out = new FileOutputStream("jssecacerts");
ks.store(out, passphrase);
out.close();
System.out.println();
System.out.println(cert);
System.out.println();
System.out.println("Added certificate to keystore 'jssecacerts' using alias '" + alias + "'");
}
public static void main(String[] args) throws Exception {
String host = null;
int port = -1;
for (int i = 0; i < args.length; i++) {
System.out.println("args[" + i + "] = " + args[i]);
}
if (args.length < 2) {
System.out.println("USAGE: java client host port");
System.exit(-1);
}
try {
/* get input parameters */
host = args[0];
port = Integer.parseInt(args[1]);
} catch (IllegalArgumentException e) {
System.out.println("USAGE: java client host port");
System.exit(-1);
}
try {
/* set up a key manager for client authentication */
SSLSocketFactory factory = null;
try {
KeyStore ks = KeyStore.getInstance("JKS");
KeyStore ts = KeyStore.getInstance("JKS");
KeyManagerFactory kmf = KeyManagerFactory.getInstance("SunX509");
TrustManagerFactory tmf = TrustManagerFactory.getInstance("SunX509");
SSLContext ctx = SSLContext.getInstance("TLS");
BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
System.out.print("Enter keystore: ");
String keystoreName = br.readLine();
Console cons = System.console();
if (cons != null) {
password = cons.readPassword("%s", "Password: "******"Cannot find a console to read password from. Eclipse CANNOT fork a terminal child process.");
}
ks.load(new FileInputStream("keystores/" + keystoreName), password); // keystore
// password
// (storepass)
char[] cliTrustPW = "password".toCharArray();
ts.load(new FileInputStream("clienttruststore"), cliTrustPW); // truststore
// password
// (storepass);
kmf.init(ks, password); // user password (keypass)
tmf.init(ts); // keystore can be used as truststore here
ctx.init(kmf.getKeyManagers(), tmf.getTrustManagers(), null);
factory = ctx.getSocketFactory();
} catch (Exception e) {
e.printStackTrace();
throw new IOException(e.getMessage());
}
SSLSocket socket = (SSLSocket) factory.createSocket(host, port);
System.out.println("Handshake socket: " + socket + "\n");
/*
* send http request
*
* See SSLSocketClient.java for more information about why there is
* a forced handshake here when using PrintWriters.
*/
socket.startHandshake();
SSLSession session = socket.getSession();
X509Certificate cert = (X509Certificate) session.getPeerCertificateChain()[0];
System.out.println("Server DN: " + cert.getSubjectDN().getName());
System.out.println("Handshake socket: " + socket);
System.out.println("Secure connection.");
System.out.println("Issuer DN: " + cert.getIssuerDN().getName());
System.out.println("Serial N: " + cert.getSerialNumber().toString());
read = new BufferedReader(new InputStreamReader(System.in));
serverMsg = new BufferedReader(new InputStreamReader(socket.getInputStream()));
out = new PrintWriter(socket.getOutputStream(), true);
ois = new ObjectInputStream(socket.getInputStream());
records = new ArrayList<Record>();
boolean isLoggedIn = false;
boolean isDone = false;
isLoggedIn = waitForLoginData();
if (!isLoggedIn) {
System.out.println(
"This certificate does not have a user. \n Press the RETURN key to exit.");
System.console().readLine();
out.close();
read.close();
socket.close();
return;
}
boolean accessDenied = false;
while (!isDone) {
if (accessDenied) {
System.out.println(
"Access denied, or no such record exists! \n Type 'help' for commands.");
}
System.out.print(user.getUsername() + " commands>");
msg = read.readLine();
fetchRecords();
splitMsg = msg.split("\\s+");
try {
if (msg.equalsIgnoreCase("quit")) {
break;
} else if (msg.equalsIgnoreCase("help")) {
printHelp();
} else if (splitMsg[0].equalsIgnoreCase("records")) {
printRecords();
accessDenied = false;
} else if (splitMsg[0].equalsIgnoreCase("edit") && (accessDenied = hasPermissions(msg))) {
editRecord(splitMsg[1]);
fetchRecords();
accessDenied = false;
} else if (splitMsg[0].equalsIgnoreCase("read") && (accessDenied = hasPermissions(msg))) {
printRecord(splitMsg[1]);
accessDenied = false;
} else if (splitMsg[0].equalsIgnoreCase("delete")
&& (accessDenied = hasPermissions(msg))) {
for (Record r : records) {
if (r.getId() == Long.parseLong(splitMsg[1])) {
r.delete(user);
accessDenied = false;
}
}
fetchRecords();
} else if (splitMsg[0].equalsIgnoreCase("create")
&& (accessDenied = hasPermissions(msg))) {
createRecord();
fetchRecords();
accessDenied = false;
} else {
accessDenied = true;
}
} catch (Exception e) {
accessDenied = true;
}
}
ois.close();
out.close();
read.close();
socket.close();
} catch (Exception e) {
e.printStackTrace();
}
}
public static void main(String[] args) {
BufferedReader sysIn =
new BufferedReader(new InputStreamReader(System.in)); // Read from console
PrintStream sysOut = System.out; // Print to console
SSLSocketFactory mainFactory =
(SSLSocketFactory) SSLSocketFactory.getDefault(); // Get default SSL socket factory
try {
SSLSocket clientSocket =
(SSLSocket)
mainFactory.createSocket(
"pop.mail.yahoo.com", 995); // create, connect, start handshake
printSocketInfo(clientSocket); // Print connection info
BufferedWriter serverWriter =
new BufferedWriter(
new OutputStreamWriter(clientSocket.getOutputStream())); // Write to server
BufferedReader serverReader =
new BufferedReader(
new InputStreamReader(clientSocket.getInputStream())); // Read from server
String serverInput = null; // Stores latest line from server
String userInput = ""; // Stores lastest input line from user
boolean tryRead =
true; // Whether to read next line from serverReader (prevents blocking on multiline SMTP
// responses)
// The below booleans, used to successully close the connection, might be unnecessary
boolean quitUser = false; // Whether the user has entered quit, might be unnecessary
boolean openRead = true; // Whether serverReader is still open (serverInput != null)
boolean openSocket = true; // Whether clientSocket is still open (clientSocket != null)
// SMTP input variables
boolean sendingData = false;
boolean multi = false;
// Main connection loop
while (openSocket && openRead && !quitUser) {
if (clientSocket == null) { // Break if socket is closed
openSocket = false;
break;
}
// Display server response/message
if (multi) {
while (tryRead) {
serverInput = serverReader.readLine();
if (serverInput == null) { // If serverReader gets closed/connection broken
openRead = false;
tryRead = false;
break;
}
sysOut.println(serverInput);
// Check for multiline response or error
if (serverInput.equals(".")
|| (serverInput.length() >= 4 && serverInput.startsWith("-ERR"))) {
tryRead = false;
} else {
tryRead = true;
}
}
} else {
serverInput = serverReader.readLine();
if (serverInput == null) { // If serverReader gets closed/connection broken
openRead = false;
tryRead = false;
break;
}
sysOut.println(serverInput);
}
multi = false;
// Exit client if connection lost/closed prematurely
if (openSocket == false || openRead == false) {
break;
}
// If user previously entered quit
if (userInput.length() >= 4 && userInput.substring(0, 4).equalsIgnoreCase("quit")) {
quitUser = true;
break;
}
// Get user input
userInput = ""; // Reset userInput to show prompt
// Read user input, display prompt if blank enter, otherwise send to server
while (userInput.equals("")) {
sysOut.print("C: ");
userInput = sysIn.readLine();
}
serverWriter.write(userInput, 0, userInput.length()); // Writing to server
serverWriter.newLine();
serverWriter.flush();
tryRead = true;
// Prepare for multi-line response if list, uidl, retr, or top
if (userInput.equalsIgnoreCase("list")
|| userInput.equalsIgnoreCase("uidl")
|| userInput.equalsIgnoreCase("auth")
|| (userInput.length() >= 4 && userInput.substring(0, 4).equalsIgnoreCase("capa"))
|| (userInput.length() >= 4 && userInput.substring(0, 4).equalsIgnoreCase("retr"))
|| (userInput.length() >= 4 && userInput.substring(0, 3).equalsIgnoreCase("top"))) {
multi = true;
}
}
// Clean up all connection objects
serverWriter.close();
serverReader.close();
clientSocket.close();
sysIn.close();
sysOut.close();
} catch (IOException e) {
System.err.println(e.toString());
}
}