static boolean getConnection(String username, String password, String host, int port) {
try {
JSch jsch = new JSch();
session = jsch.getSession(username, host, port);
UserInfo ui = new MyUserInfo();
session.setUserInfo(ui);
MyUserInfo temp = (MyUserInfo) ui;
temp.setPassword(password);
session.connect();
Channel channel = session.openChannel("sftp");
channel.connect();
SFTPFileLoader.sftpChannel = (ChannelSftp) channel;
return true;
} catch (Exception e) {
System.out.println(e);
errorMessage += e.toString();
}
return false;
}
/* (non-Javadoc)
* @see net.sf.thingamablog.transport.PublishTransport#connect()
*/
public boolean connect() {
failMsg = "";
if (isConnected) {
failMsg = "Already connected";
return false;
}
try {
JSch jsch = new JSch();
Session session = jsch.getSession(getUserName(), getAddress(), getPort());
// password will be given via UserInfo interface.
UserInfo ui = new MyUserInfo(getPassword());
session.setUserInfo(ui);
logger.info("Connecting to SFTP");
session.connect();
logger.info("Logged in to SFTP");
Channel channel = session.openChannel("sftp");
channel.connect();
sftp = (ChannelSftp) channel;
isConnected = true;
return true;
} catch (Exception ex) {
failMsg = "Error logging in to " + getAddress();
failMsg += "\n" + ex.getMessage();
logger.log(Level.WARNING, failMsg, ex);
ex.printStackTrace();
}
return false;
}
private void runJschTest(int port) throws Exception {
JSchLogger.init();
JSch sch = new JSch();
JSch.setConfig("cipher.s2c", CRYPT_NAMES);
JSch.setConfig("cipher.c2s", CRYPT_NAMES);
com.jcraft.jsch.Session s = sch.getSession(getCurrentTestName(), "localhost", port);
s.setUserInfo(new SimpleUserInfo(getCurrentTestName()));
s.connect();
try {
com.jcraft.jsch.Channel c = s.openChannel("shell");
c.connect();
try (OutputStream os = c.getOutputStream();
InputStream is = c.getInputStream()) {
String expected = "this is my command\n";
byte[] expData = expected.getBytes(StandardCharsets.UTF_8);
byte[] actData = new byte[expData.length + Long.SIZE /* just in case */];
for (int i = 0; i < 10; i++) {
os.write(expData);
os.flush();
int len = is.read(actData);
String actual = new String(actData, 0, len);
assertEquals("Mismatched command at iteration " + i, expected, actual);
}
} finally {
c.disconnect();
}
} finally {
s.disconnect();
}
}
public static void main(String[] arg) throws JSchException, InterruptedException {
JSch jsch = new JSch();
String[] proxyInfo = queryUserAndHost("proxy server", arg.length > 0 ? arg[0] : null);
Session gateway = jsch.getSession(proxyInfo[0], proxyInfo[1]);
UserInfo ui = new SwingDialogUserInfo();
gateway.setUserInfo(ui);
gateway.connect();
String[] targetInfo = queryUserAndHost("target server", arg.length > 1 ? arg[1] : null);
Session session = jsch.getSession(targetInfo[0], targetInfo[1]);
session.setProxy(new ProxySSH(gateway));
session.setUserInfo(ui);
System.err.println("connecting session ...");
session.connect();
System.err.println("session connected.");
System.err.println("opening shell channel ...");
Channel channel = session.openChannel("shell");
channel.setOutputStream(System.out, true);
channel.setExtOutputStream(System.err, true);
channel.setInputStream(System.in, true);
channel.connect();
System.err.println("shell channel connected.");
do {
Thread.sleep(100);
} while (!channel.isEOF());
System.err.println("exitcode: " + channel.getExitStatus());
session.disconnect();
Thread.sleep(50);
gateway.disconnect();
}
@Override
public void start() throws MachineException {
try {
session = jsch.getSession(username, host, port);
session.setUserInfo(user);
// todo remember parent pid of shell to be able to kill all processes on client stop
if (!session.isConnected()) {
session.connect(connectionTimeout);
}
} catch (JSchException e) {
throw new MachineException(
"Ssh machine creation failed because ssh of machine is inaccessible. Error: "
+ e.getLocalizedMessage());
}
}
public Session getSession() {
Session session;
try {
JSch jSch = new JSch();
session = jSch.getSession(username, host, port);
session.setPassword(passwd);
UserInfo userInfo = new MyUser(passwd, null);
session.setConfig("PreferredAuthentications", "publickey,password,keyboard-interactive");
session.setUserInfo(userInfo);
} catch (JSchException e) {
e.printStackTrace();
return null;
}
return session;
}
public void push(String user, String server, File f, String to) {
file = f;
if (ssh == null)
try {
ssh = jsch.getSession(user, server, 22);
UserInfo ui = new SSHUserInfo();
ssh.setUserInfo(ui);
ssh.setConfig("StrictHostKeyChecking", "no");
ssh.setPortForwardingL(28947, "127.0.0.1", 28947);
ssh.connect();
} catch (JSchException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
Thread t = new Thread(this);
t.start();
}
public static void main(String[] arg) {
String xhost = "127.0.0.1";
int xport = 0;
try {
JSch jsch = new JSch();
String host = null;
if (arg.length > 0) {
host = arg[0];
} else {
host =
JOptionPane.showInputDialog(
"Enter username@hostname", System.getProperty("user.name") + "@localhost");
}
String user = host.substring(0, host.indexOf('@'));
host = host.substring(host.indexOf('@') + 1);
Session session = jsch.getSession(user, host, 22);
String display =
JOptionPane.showInputDialog("Please enter display name", xhost + ":" + xport);
xhost = display.substring(0, display.indexOf(':'));
xport = Integer.parseInt(display.substring(display.indexOf(':') + 1));
session.setX11Host(xhost);
session.setX11Port(xport + 6000);
// username and password will be given via UserInfo interface.
UserInfo ui = new MyUserInfo();
session.setUserInfo(ui);
session.connect();
Channel channel = session.openChannel("shell");
channel.setXForwarding(true);
channel.setInputStream(System.in);
channel.setOutputStream(System.out);
channel.connect();
} catch (Exception e) {
System.out.println(e);
}
}
/**
* Open an ssh seession.
*
* @return the opened session
* @throws JSchException on error
*/
protected Session openSession() throws JSchException {
JSch jsch = new JSch();
if (null != userInfo.getKeyfile()) {
jsch.addIdentity(userInfo.getKeyfile());
}
if (!userInfo.getTrust() && knownHosts != null) {
project.log("Using known hosts: " + knownHosts, Project.MSG_DEBUG);
jsch.setKnownHosts(knownHosts);
}
Session session = jsch.getSession(userInfo.getName(), host, port);
session.setUserInfo(userInfo);
project.log("Connecting to " + host + ":" + port, Project.MSG_VERBOSE);
session.connect();
return session;
}
/**
* @param userName the name of the account being logged into.
* @param hostName this should be the host. I found values like <code>foo.com</code> work, where
* <code>http://foo.com</code> don't.
* @param userPassword if you are not using key based authentication, then you are likely being
* prompted for a password each time you login. This is that password. It is <em>not</em> the
* passphrase for the private key!
* @param port the default is 22, and if you specify N<0 for this value we'll default it to 22
* @param knownHostsFile this is the known hosts file. If you don't specify it, jsch does some
* magic to work without your specification. If you have it in a non well-known location,
* however, this property is for you. An example: <code>/home/user/.ssh/known_hosts</code>
* @param knownHostsInputStream this is the known hosts file. If you don't specify it, jsch does
* some magic to work without your specification. If you have it in a non well-known location,
* however, this property is for you. An example: <code>/home/user/.ssh/known_hosts</code>.
* Note that you may specify this <em>or</em> the #knownHostsFile - not both!
* @param privateKey this is usually used when you want passwordless automation (obviously, for
* this integration it's useless since this lets you specify a password once, anyway, but
* still good to have if required). This file might be ~/.ssh/id_dsa, or a <code>.pem</code>
* for your remote server (for example, on EC2)
* @param pvKeyPassPhrase sometimes, to be extra secure, the private key itself is extra
* encrypted. In order to surmount that, we need the private key passphrase. Specify that
* here.
* @throws Exception thrown if any of a myriad of scenarios plays out
*/
public SftpSession(
String userName,
String hostName,
String userPassword,
int port,
String knownHostsFile,
InputStream knownHostsInputStream,
String privateKey,
String pvKeyPassPhrase)
throws Exception {
JSch jSch = new JSch();
if (port <= 0) {
port = 22;
}
this.privateKey = privateKey;
this.privateKeyPassphrase = pvKeyPassPhrase;
if (!StringUtils.isEmpty(knownHostsFile)) {
jSch.setKnownHosts(knownHostsFile);
} else if (null != knownHostsInputStream) {
jSch.setKnownHosts(knownHostsInputStream);
}
// private key
if (!StringUtils.isEmpty(this.privateKey)) {
if (!StringUtils.isEmpty(privateKeyPassphrase)) {
jSch.addIdentity(this.privateKey, privateKeyPassphrase);
} else {
jSch.addIdentity(this.privateKey);
}
}
session = jSch.getSession(userName, hostName, port);
if (!StringUtils.isEmpty(userPassword)) {
session.setPassword(userPassword);
}
userInfo = new OptimisticUserInfoImpl(userPassword);
session.setUserInfo(userInfo);
session.connect();
channel = (ChannelSftp) session.openChannel("sftp");
}
public static void main(String[] arg) {
int lport;
String rhost;
int rport;
try {
JSch jsch = new JSch();
String host = null;
if (arg.length > 0) {
host = arg[0];
} else {
host =
JOptionPane.showInputDialog(
"Enter username@hostname", System.getProperty("user.name") + "@localhost");
}
String user = host.substring(0, host.indexOf('@'));
host = host.substring(host.indexOf('@') + 1);
Session session = jsch.getSession(user, host, 22);
String foo = JOptionPane.showInputDialog("Enter -L port:host:hostport", "port:host:hostport");
lport = Integer.parseInt(foo.substring(0, foo.indexOf(':')));
foo = foo.substring(foo.indexOf(':') + 1);
rhost = foo.substring(0, foo.indexOf(':'));
rport = Integer.parseInt(foo.substring(foo.indexOf(':') + 1));
// username and password will be given via UserInfo interface.
UserInfo ui = new MyUserInfo();
session.setUserInfo(ui);
session.connect();
// Channel channel=session.openChannel("shell");
// channel.connect();
int assinged_port = session.setPortForwardingL(lport, rhost, rport);
System.out.println("localhost:" + assinged_port + " -> " + rhost + ":" + rport);
} catch (Exception e) {
System.out.println(e);
}
}
/** Connect the socket and open the connection. */
public void connect(String host, int port, String username, String password) throws IOException {
if (debug > 0) System.err.println("Wrapper: connect(" + host + "," + port + ")");
this.host = host;
this.port = port;
this.username = username;
this.password = password;
if (isClosed()) {
try {
session = jsch.getSession(username, host, port);
session.setPassword(password);
session.setUserInfo(defaultUserInfo);
session.connect();
System.out.println("connected");
} catch (JSchException e) {
e.printStackTrace();
throw new IOException("connect or authenticate failed");
}
}
}
@Override
public void createDirectory(Path dir, FileAttribute<?>... attrs) throws IOException {
if (!(dir instanceof SFTPPath)) {
throw new IllegalArgumentException(dir.toString());
}
SFTPHost sftpHost = (SFTPHost) dir.getFileSystem();
String username = sftpHost.getUserName();
String host = sftpHost.getHost();
int port = sftpHost.getPort();
Session session;
try {
session = jsch.getSession(username, host, port);
UserInfo userinfo = new SFTPUserInfo(sftpHost.getPassword());
session.setUserInfo(userinfo);
session.connect();
ChannelSftp sftp = (ChannelSftp) session.openChannel(SFTP);
sftp.connect();
SFTPPath sftpPath = (SFTPPath) dir;
String dirString = sftpPath.getPathString();
try {
sftp.mkdir(dirString);
} catch (SftpException e) {
throw new IOException(dirString, e);
}
sftp.quit();
session.disconnect();
// throw new UnsupportedOperationException();
} catch (JSchException e) {
throw new FileSystemException(e.getMessage());
}
}
private static void testUploadStp() throws JSchException, SftpException {
Channel channel = null;
Session session = null;
try {
JSch jsch = new JSch();
// jsch.setKnownHosts("/home/foo/.ssh/known_hosts");
String user = "******";
String host = "10.238.226.75";
session = jsch.getSession(user, host, 22);
String passwd = "sdpuser";
session.setPassword(passwd);
UserInfo ui =
new MyUserInfo() {
public void showMessage(String message) {
// JOptionPane.showMessageDialog(null, message);
}
public boolean promptYesNo(String message) {
// Object[] options={ "yes", "no" };
// int foo=JOptionPane.showOptionDialog(null,
// message,
// "Warning",
// JOptionPane.DEFAULT_OPTION,
// JOptionPane.WARNING_MESSAGE,
// null, options, options[0]);
return true;
}
// If password is not given before the invocation of Session#connect(),
// implement also following methods,
// * UserInfo#getPassword(),
// * UserInfo#promptPassword(String message) and
// * UIKeyboardInteractive#promptKeyboardInteractive()
};
session.setUserInfo(ui);
// It must not be recommended, but if you want to skip host-key check,
// invoke following,
// session.setConfig("StrictHostKeyChecking", "no");
// session.connect();
session.connect(30000); // making a connection with timeout.
channel = session.openChannel("sftp");
channel.connect(3 * 1000);
ChannelSftp sftp = (ChannelSftp) channel;
sftp.cd("/var/opt/fds/logs");
File f = new File("D:/Doneeeeeeeee.java");
FileInputStream uploadStream = new FileInputStream(f);
sftp.put(uploadStream, f.getName());
System.out.println("Done :) ");
// System.out.println(sftp.getHome());
// for (Object o : sftp.ls("")) {
// System.out.println(((ChannelSftp.LsEntry)o).getFilename());
// }
} catch (Exception e) {
System.out.println(e);
} finally {
// Session session=jsch.getSession("usersdp","10.238.226.75",22);
channel.disconnect();
session.disconnect();
}
}
public void openConnectionInternal() throws AuthenticationException {
if (authenticationInfo == null) {
authenticationInfo = new AuthenticationInfo();
}
if (!interactive) {
uIKeyboardInteractive = null;
setInteractiveUserInfo(new NullInteractiveUserInfo());
}
JSch sch = new JSch();
File privateKey;
try {
privateKey = ScpHelper.getPrivateKey(authenticationInfo);
} catch (FileNotFoundException e) {
throw new AuthenticationException(e.getMessage());
}
try {
Connector connector = ConnectorFactory.getDefault().createConnector();
if (connector != null) {
IdentityRepository repo = new RemoteIdentityRepository(connector);
sch.setIdentityRepository(repo);
}
} catch (AgentProxyException e) {
fireSessionDebug("Unable to connect to agent: " + e.toString());
}
if (privateKey != null && privateKey.exists()) {
fireSessionDebug("Using private key: " + privateKey);
try {
sch.addIdentity(privateKey.getAbsolutePath(), authenticationInfo.getPassphrase());
} catch (JSchException e) {
throw new AuthenticationException("Cannot connect. Reason: " + e.getMessage(), e);
}
}
String host = getRepository().getHost();
int port =
repository.getPort() == WagonConstants.UNKNOWN_PORT
? ScpHelper.DEFAULT_SSH_PORT
: repository.getPort();
try {
String userName = authenticationInfo.getUserName();
if (userName == null) {
userName = System.getProperty("user.name");
}
session = sch.getSession(userName, host, port);
session.setTimeout(getTimeout());
} catch (JSchException e) {
throw new AuthenticationException("Cannot connect. Reason: " + e.getMessage(), e);
}
Proxy proxy = null;
ProxyInfo proxyInfo = getProxyInfo(ProxyInfo.PROXY_SOCKS5, getRepository().getHost());
if (proxyInfo != null && proxyInfo.getHost() != null) {
proxy = new ProxySOCKS5(proxyInfo.getHost(), proxyInfo.getPort());
((ProxySOCKS5) proxy).setUserPasswd(proxyInfo.getUserName(), proxyInfo.getPassword());
} else {
proxyInfo = getProxyInfo(ProxyInfo.PROXY_HTTP, getRepository().getHost());
if (proxyInfo != null && proxyInfo.getHost() != null) {
proxy = new ProxyHTTP(proxyInfo.getHost(), proxyInfo.getPort());
((ProxyHTTP) proxy).setUserPasswd(proxyInfo.getUserName(), proxyInfo.getPassword());
} else {
// Backwards compatibility
proxyInfo = getProxyInfo(getRepository().getProtocol(), getRepository().getHost());
if (proxyInfo != null && proxyInfo.getHost() != null) {
// if port == 1080 we will use SOCKS5 Proxy, otherwise will use HTTP Proxy
if (proxyInfo.getPort() == SOCKS5_PROXY_PORT) {
proxy = new ProxySOCKS5(proxyInfo.getHost(), proxyInfo.getPort());
((ProxySOCKS5) proxy).setUserPasswd(proxyInfo.getUserName(), proxyInfo.getPassword());
} else {
proxy = new ProxyHTTP(proxyInfo.getHost(), proxyInfo.getPort());
((ProxyHTTP) proxy).setUserPasswd(proxyInfo.getUserName(), proxyInfo.getPassword());
}
}
}
}
session.setProxy(proxy);
// username and password will be given via UserInfo interface.
UserInfo ui = new WagonUserInfo(authenticationInfo, getInteractiveUserInfo());
if (uIKeyboardInteractive != null) {
ui = new UserInfoUIKeyboardInteractiveProxy(ui, uIKeyboardInteractive);
}
Properties config = new Properties();
if (getKnownHostsProvider() != null) {
try {
String contents = getKnownHostsProvider().getContents();
if (contents != null) {
sch.setKnownHosts(new StringInputStream(contents));
}
} catch (JSchException e) {
// continue without known_hosts
}
config.setProperty("StrictHostKeyChecking", getKnownHostsProvider().getHostKeyChecking());
}
if (authenticationInfo.getPassword() != null) {
config.setProperty(
"PreferredAuthentications", "gssapi-with-mic,publickey,password,keyboard-interactive");
}
config.setProperty("BatchMode", interactive ? "no" : "yes");
session.setConfig(config);
session.setUserInfo(ui);
StringWriter stringWriter = new StringWriter();
try {
session.connect();
if (getKnownHostsProvider() != null) {
PrintWriter w = new PrintWriter(stringWriter);
HostKeyRepository hkr = sch.getHostKeyRepository();
HostKey[] keys = hkr.getHostKey();
for (int i = 0; keys != null && i < keys.length; i++) {
HostKey key = keys[i];
w.println(key.getHost() + " " + key.getType() + " " + key.getKey());
}
}
} catch (JSchException e) {
if (e.getMessage().startsWith("UnknownHostKey:")
|| e.getMessage().startsWith("reject HostKey:")) {
throw new UnknownHostException(host, e);
} else if (e.getMessage().contains("HostKey has been changed")) {
throw new KnownHostChangedException(host, e);
} else {
throw new AuthenticationException("Cannot connect. Reason: " + e.getMessage(), e);
}
}
try {
getKnownHostsProvider().storeKnownHosts(stringWriter.toString());
} catch (IOException e) {
closeConnection();
throw new AuthenticationException(
"Connection aborted - failed to write to known_hosts. Reason: " + e.getMessage(), e);
}
}
public static void main(String[] arg) {
if (arg.length != 2) {
System.err.println("usage: java ScpTo file1 user@remotehost:file2");
System.exit(-1);
}
FileInputStream fis = null;
try {
String lfile = arg[0];
String user = arg[1].substring(0, arg[1].indexOf('@'));
arg[1] = arg[1].substring(arg[1].indexOf('@') + 1);
String host = arg[1].substring(0, arg[1].indexOf(':'));
String rfile = arg[1].substring(arg[1].indexOf(':') + 1);
JSch jsch = new JSch();
Session session = jsch.getSession(user, host, 22);
// username and password will be given via UserInfo interface.
UserInfo ui = new MyUserInfo();
session.setUserInfo(ui);
session.connect();
boolean ptimestamp = true;
// exec 'scp -t rfile' remotely
String command = "scp " + (ptimestamp ? "-p" : "") + " -t " + rfile;
Channel channel = session.openChannel("exec");
((ChannelExec) channel).setCommand(command);
// get I/O streams for remote scp
OutputStream out = channel.getOutputStream();
InputStream in = channel.getInputStream();
channel.connect();
if (checkAck(in) != 0) {
System.exit(0);
}
File _lfile = new File(lfile);
if (ptimestamp) {
command = "T " + (_lfile.lastModified() / 1000) + " 0";
// The access time should be sent here,
// but it is not accessible with JavaAPI ;-<
command += (" " + (_lfile.lastModified() / 1000) + " 0\n");
out.write(command.getBytes());
out.flush();
if (checkAck(in) != 0) {
System.exit(0);
}
}
// send "C0644 filesize filename", where filename should not include '/'
long filesize = _lfile.length();
command = "C0644 " + filesize + " ";
if (lfile.lastIndexOf('/') > 0) {
command += lfile.substring(lfile.lastIndexOf('/') + 1);
} else {
command += lfile;
}
command += "\n";
out.write(command.getBytes());
out.flush();
if (checkAck(in) != 0) {
System.exit(0);
}
// send a content of lfile
fis = new FileInputStream(lfile);
byte[] buf = new byte[1024];
while (true) {
int len = fis.read(buf, 0, buf.length);
if (len <= 0) break;
out.write(buf, 0, len); // out.flush();
}
fis.close();
fis = null;
// send '\0'
buf[0] = 0;
out.write(buf, 0, 1);
out.flush();
if (checkAck(in) != 0) {
System.exit(0);
}
out.close();
channel.disconnect();
session.disconnect();
System.exit(0);
} catch (Exception e) {
System.out.println(e);
try {
if (fis != null) fis.close();
} catch (Exception ee) {
}
}
}
/**
* Creates a SSH Session with a remote machine and tries to login according to the details
* specified by Contact An appropriate message is shown to the end user in case the login fails
*
* @param sshContact ID of SSH Contact
* @throws JSchException if a JSch is unable to create a SSH Session with the remote machine
* @throws InterruptedException if the thread is interrupted before session connected or is timed
* out
* @throws OperationFailedException if not of above reasons :-)
*/
public void createSSHSessionAndLogin(ContactSSH sshContact)
throws JSchException, OperationFailedException, InterruptedException {
logger.info("Creating a new SSH Session to " + sshContact.getHostName());
// creating a new JSch Stack identifier for contact
JSch jsch = new JSch();
String knownHosts = (String) accountID.getAccountProperties().get("KNOWN_HOSTS_FILE");
if (!knownHosts.equals("Optional")) jsch.setKnownHosts(knownHosts);
String identitiyKey = (String) accountID.getAccountProperties().get("IDENTITY_FILE");
String userName = sshContact.getUserName();
// use the name of system user if the contact has not supplied SSH
// details
if (userName.equals("")) userName = System.getProperty("user.name");
if (!identitiyKey.equals("Optional")) jsch.addIdentity(identitiyKey);
// creating a new session for the contact
Session session =
jsch.getSession(
userName, sshContact.getHostName(), sshContact.getSSHConfigurationForm().getPort());
/**
* Creating and associating User Info with the session User Info passes authentication from
* sshContact to SSH Stack
*/
SSHUserInfo sshUserInfo = new SSHUserInfo(sshContact);
session.setUserInfo(sshUserInfo);
/** initializing the session */
session.connect(connectionTimeout);
int count = 0;
// wait for session to get connected
while (!session.isConnected() && count <= 30000) {
Thread.sleep(1000);
count += 1000;
logger.trace("SSH:" + sshContact.getHostName() + ": Sleep zzz .. ");
}
// if timeout have exceeded
if (count > 30000) {
sshContact.setSSHSession(null);
JOptionPane.showMessageDialog(
null, "SSH Connection attempt to " + sshContact.getHostName() + " timed out");
// error codes are not defined yet
throw new OperationFailedException(
"SSH Connection attempt to " + sshContact.getHostName() + " timed out", 2);
}
sshContact.setJSch(jsch);
sshContact.setSSHSession(session);
logger.info("A new SSH Session to " + sshContact.getHostName() + " Created");
}
public static void main(String[] arg) {
if (arg.length != 2) {
System.err.println("usage: java ScpFrom user@remotehost:file1 file2");
System.exit(-1);
}
FileOutputStream fos = null;
try {
String user = arg[0].substring(0, arg[0].indexOf('@'));
arg[0] = arg[0].substring(arg[0].indexOf('@') + 1);
String host = arg[0].substring(0, arg[0].indexOf(':'));
String rfile = arg[0].substring(arg[0].indexOf(':') + 1);
String lfile = arg[1];
String prefix = null;
if (new File(lfile).isDirectory()) {
prefix = lfile + File.separator;
}
JSch jsch = new JSch();
Session session = jsch.getSession(user, host, 22);
// username and password will be given via UserInfo interface.
UserInfo ui = new MyUserInfo();
session.setUserInfo(ui);
session.connect();
// exec 'scp -f rfile' remotely
String command = "scp -f " + rfile;
Channel channel = session.openChannel("exec");
((ChannelExec) channel).setCommand(command);
// get I/O streams for remote scp
OutputStream out = channel.getOutputStream();
InputStream in = channel.getInputStream();
channel.connect();
byte[] buf = new byte[1024];
// send '\0'
buf[0] = 0;
out.write(buf, 0, 1);
out.flush();
while (true) {
int c = checkAck(in);
if (c != 'C') {
break;
}
// read '0644 '
in.read(buf, 0, 5);
long filesize = 0L;
while (true) {
if (in.read(buf, 0, 1) < 0) {
// error
break;
}
if (buf[0] == ' ') break;
filesize = filesize * 10L + (long) (buf[0] - '0');
}
String file = null;
for (int i = 0; ; i++) {
in.read(buf, i, 1);
if (buf[i] == (byte) 0x0a) {
file = new String(buf, 0, i);
break;
}
}
// System.out.println("filesize="+filesize+", file="+file);
// send '\0'
buf[0] = 0;
out.write(buf, 0, 1);
out.flush();
// read a content of lfile
fos = new FileOutputStream(prefix == null ? lfile : prefix + file);
int foo;
while (true) {
if (buf.length < filesize) foo = buf.length;
else foo = (int) filesize;
foo = in.read(buf, 0, foo);
if (foo < 0) {
// error
break;
}
fos.write(buf, 0, foo);
filesize -= foo;
if (filesize == 0L) break;
}
fos.close();
fos = null;
if (checkAck(in) != 0) {
System.exit(0);
}
// send '\0'
buf[0] = 0;
out.write(buf, 0, 1);
out.flush();
}
session.disconnect();
System.exit(0);
} catch (Exception e) {
System.out.println(e);
try {
if (fos != null) fos.close();
} catch (Exception ee) {
}
}
}
/**
* This will not reuse any session, it will create the session and close it at the end
*
* @param commandInfo Encapsulated information about command. E.g :- executable name parameters
* etc ...
* @param serverInfo The SSHing server information.
* @param authenticationInfo Security data needs to be communicated with remote server.
* @param commandOutput The output of the command.
* @param configReader configuration required for ssh/gshissh connection
* @throws SSHApiException throw exception when error occurs
*/
public static void executeCommand(
CommandInfo commandInfo,
ServerInfo serverInfo,
AuthenticationInfo authenticationInfo,
CommandOutput commandOutput,
ConfigReader configReader)
throws SSHApiException {
if (authenticationInfo instanceof GSIAuthenticationInfo) {
System.setProperty(
X509_CERT_DIR,
(String)
((GSIAuthenticationInfo) authenticationInfo).getProperties().get("X509_CERT_DIR"));
}
JSch jsch = new ExtendedJSch();
log.debug(
"Connecting to server - "
+ serverInfo.getHost()
+ ":"
+ serverInfo.getPort()
+ " with user name - "
+ serverInfo.getUserName());
Session session;
try {
session =
jsch.getSession(serverInfo.getUserName(), serverInfo.getHost(), serverInfo.getPort());
} catch (JSchException e) {
throw new SSHApiException(
"An exception occurred while creating SSH session."
+ "Connecting server - "
+ serverInfo.getHost()
+ ":"
+ serverInfo.getPort()
+ " connecting user name - "
+ serverInfo.getUserName(),
e);
}
java.util.Properties config = configReader.getProperties();
session.setConfig(config);
// =============================================================
// Handling vanilla SSH pieces
// =============================================================
if (authenticationInfo instanceof SSHPasswordAuthentication) {
String password =
((SSHPasswordAuthentication) authenticationInfo)
.getPassword(serverInfo.getUserName(), serverInfo.getHost());
session.setUserInfo(new SSHAPIUIKeyboardInteractive(password));
// TODO figure out why we need to set password to session
session.setPassword(password);
} else if (authenticationInfo instanceof SSHPublicKeyFileAuthentication) {
SSHPublicKeyFileAuthentication sshPublicKeyFileAuthentication =
(SSHPublicKeyFileAuthentication) authenticationInfo;
String privateKeyFile =
sshPublicKeyFileAuthentication.getPrivateKeyFile(
serverInfo.getUserName(), serverInfo.getHost());
logDebug("The private key file for vanilla SSH " + privateKeyFile);
String publicKeyFile =
sshPublicKeyFileAuthentication.getPrivateKeyFile(
serverInfo.getUserName(), serverInfo.getHost());
logDebug("The public key file for vanilla SSH " + publicKeyFile);
Identity identityFile;
try {
identityFile = GSISSHIdentityFile.newInstance(privateKeyFile, null, jsch);
} catch (JSchException e) {
throw new SSHApiException(
"An exception occurred while initializing keys using files. "
+ "(private key and public key)."
+ "Connecting server - "
+ serverInfo.getHost()
+ ":"
+ serverInfo.getPort()
+ " connecting user name - "
+ serverInfo.getUserName()
+ " private key file - "
+ privateKeyFile
+ ", public key file - "
+ publicKeyFile,
e);
}
// Add identity to identity repository
GSISSHIdentityRepository identityRepository = new GSISSHIdentityRepository(jsch);
identityRepository.add(identityFile);
// Set repository to session
session.setIdentityRepository(identityRepository);
// Set the user info
SSHKeyPasswordHandler sshKeyPasswordHandler =
new SSHKeyPasswordHandler((SSHKeyAuthentication) authenticationInfo);
session.setUserInfo(sshKeyPasswordHandler);
} else if (authenticationInfo instanceof SSHPublicKeyAuthentication) {
SSHPublicKeyAuthentication sshPublicKeyAuthentication =
(SSHPublicKeyAuthentication) authenticationInfo;
Identity identityFile;
try {
String name = serverInfo.getUserName() + "_" + serverInfo.getHost();
identityFile =
GSISSHIdentityFile.newInstance(
name,
sshPublicKeyAuthentication.getPrivateKey(
serverInfo.getUserName(), serverInfo.getHost()),
sshPublicKeyAuthentication.getPublicKey(
serverInfo.getUserName(), serverInfo.getHost()),
jsch);
} catch (JSchException e) {
throw new SSHApiException(
"An exception occurred while initializing keys using byte arrays. "
+ "(private key and public key)."
+ "Connecting server - "
+ serverInfo.getHost()
+ ":"
+ serverInfo.getPort()
+ " connecting user name - "
+ serverInfo.getUserName(),
e);
}
// Add identity to identity repository
GSISSHIdentityRepository identityRepository = new GSISSHIdentityRepository(jsch);
identityRepository.add(identityFile);
// Set repository to session
session.setIdentityRepository(identityRepository);
// Set the user info
SSHKeyPasswordHandler sshKeyPasswordHandler =
new SSHKeyPasswordHandler((SSHKeyAuthentication) authenticationInfo);
session.setUserInfo(sshKeyPasswordHandler);
}
// Not a good way, but we dont have any choice
if (session instanceof ExtendedSession) {
if (authenticationInfo instanceof GSIAuthenticationInfo) {
((ExtendedSession) session)
.setAuthenticationInfo((GSIAuthenticationInfo) authenticationInfo);
}
}
try {
session.connect();
} catch (JSchException e) {
throw new SSHApiException(
"An exception occurred while connecting to server."
+ "Connecting server - "
+ serverInfo.getHost()
+ ":"
+ serverInfo.getPort()
+ " connecting user name - "
+ serverInfo.getUserName(),
e);
}
String command = commandInfo.getCommand();
Channel channel;
try {
channel = session.openChannel("exec");
((ChannelExec) channel).setCommand(command);
} catch (JSchException e) {
session.disconnect();
throw new SSHApiException(
"Unable to execute command - "
+ command
+ " on server - "
+ serverInfo.getHost()
+ ":"
+ serverInfo.getPort()
+ " connecting user name - "
+ serverInfo.getUserName(),
e);
}
channel.setInputStream(null);
((ChannelExec) channel).setErrStream(commandOutput.getStandardError());
try {
channel.connect();
} catch (JSchException e) {
channel.disconnect();
session.disconnect();
throw new SSHApiException(
"Unable to retrieve command output. Command - "
+ command
+ " on server - "
+ serverInfo.getHost()
+ ":"
+ serverInfo.getPort()
+ " connecting user name - "
+ serverInfo.getUserName(),
e);
}
commandOutput.onOutput(channel);
channel.disconnect();
session.disconnect();
}
protected Session createSession(final RemoteFileConfiguration configuration)
throws JSchException {
final JSch jsch = new JSch();
JSch.setLogger(new JSchLogger());
SftpConfiguration sftpConfig = (SftpConfiguration) configuration;
if (isNotEmpty(sftpConfig.getCiphers())) {
LOG.debug("Using ciphers: {}", sftpConfig.getCiphers());
Hashtable<String, String> ciphers = new Hashtable<String, String>();
ciphers.put("cipher.s2c", sftpConfig.getCiphers());
ciphers.put("cipher.c2s", sftpConfig.getCiphers());
JSch.setConfig(ciphers);
}
if (isNotEmpty(sftpConfig.getPrivateKeyFile())) {
LOG.debug("Using private keyfile: {}", sftpConfig.getPrivateKeyFile());
if (isNotEmpty(sftpConfig.getPrivateKeyPassphrase())) {
jsch.addIdentity(sftpConfig.getPrivateKeyFile(), sftpConfig.getPrivateKeyPassphrase());
} else {
jsch.addIdentity(sftpConfig.getPrivateKeyFile());
}
}
if (sftpConfig.getPrivateKey() != null) {
LOG.debug("Using private key information from byte array");
byte[] passphrase = null;
if (isNotEmpty(sftpConfig.getPrivateKeyPassphrase())) {
try {
passphrase = sftpConfig.getPrivateKeyPassphrase().getBytes("UTF-8");
} catch (UnsupportedEncodingException e) {
throw new JSchException("Cannot transform passphrase to byte[]", e);
}
}
jsch.addIdentity("ID", sftpConfig.getPrivateKey(), null, passphrase);
}
if (sftpConfig.getPrivateKeyUri() != null) {
LOG.debug("Using private key uri : {}", sftpConfig.getPrivateKeyUri());
byte[] passphrase = null;
if (isNotEmpty(sftpConfig.getPrivateKeyPassphrase())) {
try {
passphrase = sftpConfig.getPrivateKeyPassphrase().getBytes("UTF-8");
} catch (UnsupportedEncodingException e) {
throw new JSchException("Cannot transform passphrase to byte[]", e);
}
}
try {
InputStream is =
ResourceHelper.resolveMandatoryResourceAsInputStream(
endpoint.getCamelContext().getClassResolver(), sftpConfig.getPrivateKeyUri());
ByteArrayOutputStream bos = new ByteArrayOutputStream();
IOHelper.copyAndCloseInput(is, bos);
jsch.addIdentity("ID", bos.toByteArray(), null, passphrase);
} catch (IOException e) {
throw new JSchException("Cannot read resource: " + sftpConfig.getPrivateKeyUri(), e);
}
}
if (sftpConfig.getKeyPair() != null) {
LOG.debug("Using private key information from key pair");
KeyPair keyPair = sftpConfig.getKeyPair();
if (keyPair.getPrivate() != null && keyPair.getPublic() != null) {
if (keyPair.getPrivate() instanceof RSAPrivateKey
&& keyPair.getPublic() instanceof RSAPublicKey) {
jsch.addIdentity(new RSAKeyPairIdentity("ID", keyPair), null);
} else if (keyPair.getPrivate() instanceof DSAPrivateKey
&& keyPair.getPublic() instanceof DSAPublicKey) {
jsch.addIdentity(new DSAKeyPairIdentity("ID", keyPair), null);
} else {
LOG.warn("Only RSA and DSA key pairs are supported");
}
} else {
LOG.warn("PrivateKey and PublicKey in the KeyPair must be filled");
}
}
if (isNotEmpty(sftpConfig.getKnownHostsFile())) {
LOG.debug("Using knownhosts file: {}", sftpConfig.getKnownHostsFile());
jsch.setKnownHosts(sftpConfig.getKnownHostsFile());
}
if (isNotEmpty(sftpConfig.getKnownHostsUri())) {
LOG.debug("Using knownhosts uri: {}", sftpConfig.getKnownHostsUri());
try {
InputStream is =
ResourceHelper.resolveMandatoryResourceAsInputStream(
endpoint.getCamelContext().getClassResolver(), sftpConfig.getKnownHostsUri());
jsch.setKnownHosts(is);
} catch (IOException e) {
throw new JSchException("Cannot read resource: " + sftpConfig.getKnownHostsUri(), e);
}
}
if (sftpConfig.getKnownHosts() != null) {
LOG.debug("Using knownhosts information from byte array");
jsch.setKnownHosts(new ByteArrayInputStream(sftpConfig.getKnownHosts()));
}
final Session session =
jsch.getSession(
configuration.getUsername(), configuration.getHost(), configuration.getPort());
if (isNotEmpty(sftpConfig.getStrictHostKeyChecking())) {
LOG.debug("Using StrickHostKeyChecking: {}", sftpConfig.getStrictHostKeyChecking());
session.setConfig("StrictHostKeyChecking", sftpConfig.getStrictHostKeyChecking());
}
session.setServerAliveInterval(sftpConfig.getServerAliveInterval());
session.setServerAliveCountMax(sftpConfig.getServerAliveCountMax());
// compression
if (sftpConfig.getCompression() > 0) {
LOG.debug("Using compression: {}", sftpConfig.getCompression());
session.setConfig("compression.s2c", "[email protected],zlib,none");
session.setConfig("compression.c2s", "[email protected],zlib,none");
session.setConfig("compression_level", Integer.toString(sftpConfig.getCompression()));
}
// set the PreferredAuthentications
if (sftpConfig.getPreferredAuthentications() != null) {
LOG.debug("Using PreferredAuthentications: {}", sftpConfig.getPreferredAuthentications());
session.setConfig("PreferredAuthentications", sftpConfig.getPreferredAuthentications());
}
// set user information
session.setUserInfo(
new ExtendedUserInfo() {
public String getPassphrase() {
return null;
}
public String getPassword() {
return configuration.getPassword();
}
public boolean promptPassword(String s) {
return true;
}
public boolean promptPassphrase(String s) {
return true;
}
public boolean promptYesNo(String s) {
LOG.warn("Server asks for confirmation (yes|no): " + s + ". Camel will answer no.");
// Return 'false' indicating modification of the hosts file is disabled.
return false;
}
public void showMessage(String s) {
LOG.trace("Message received from Server: " + s);
}
public String[] promptKeyboardInteractive(
String destination,
String name,
String instruction,
String[] prompt,
boolean[] echo) {
// must return an empty array if password is null
if (configuration.getPassword() == null) {
return new String[0];
} else {
return new String[] {configuration.getPassword()};
}
}
});
// set the SO_TIMEOUT for the time after the connect phase
if (configuration.getSoTimeout() > 0) {
session.setTimeout(configuration.getSoTimeout());
}
// set proxy if configured
if (proxy != null) {
session.setProxy(proxy);
}
return session;
}
// Taken from Apache Camel test source
private void setupKnownHosts(int port) {
String knownHostsFile = SCP_ROOT_DIR + "/" + KNOWN_HOSTS;
// For security reasons (avoiding man in the middle attacks),
// camel-jsch will only connect to known hosts. For unit testing
// we use a known key, but since the port is dynamic, the
// known_hosts file will be generated by the following code and
// should contain a line like below (if
// "HashKnownHosts"=="yes" the hostname:port part will be
// hashed and look a bit more complicated).
//
// [localhost]:21000 ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAAAgQDd \
// fIWeSV4o68dRrKSzFd/Bk51E65UTmmSrmW0O1ohtzi6HzsDPjXgCtlTt3F \
// qTcfFfI92IlTr4JWqC9UK1QT1ZTeng0MkPQmv68hDANHbt5CpETZHjW5q4 \
// OOgWhVvj5IyOC2NZHtKlJBkdsMAa15ouOOJLzBvAvbqOR/yUROsEiQ==
JSch jsch = new JSch();
try {
jsch.setKnownHosts(knownHostsFile);
Session s = jsch.getSession("alice", "localhost", port);
s.setConfig("StrictHostKeyChecking", "ask");
// TODO: by the current jsch (0.1.51) setting "HashKnownHosts" to "no" is a workaround
// to make the tests run green, see also http://sourceforge.net/p/jsch/bugs/63/
s.setConfig("HashKnownHosts", "no");
s.setUserInfo(
new UserInfo() {
@Override
public String getPassphrase() {
return null;
}
@Override
public String getPassword() {
return "security";
}
@Override
public boolean promptPassword(String message) {
return true;
}
@Override
public boolean promptPassphrase(String message) {
return false;
}
@Override
public boolean promptYesNo(String message) {
// accept host authenticity
return true;
}
@Override
public void showMessage(String message) {}
});
// in the process of connecting, "[localhost]:<port>" is added to the knownHostsFile
s.connect();
s.disconnect();
} catch (JSchException e) {
e.printStackTrace();
}
}
private static void testDownloadStp() throws JSchException, SftpException {
Channel channel = null;
Session session = null;
OutputStream os = null;
BufferedOutputStream bos = null;
BufferedInputStream bis = null;
try {
JSch jsch = new JSch();
// jsch.setKnownHosts("/home/foo/.ssh/known_hosts");
String user = "******";
String host = "10.238.226.75";
session = jsch.getSession(user, host, 22);
String passwd = "sdpuser";
session.setPassword(passwd);
UserInfo ui =
new MyUserInfo() {
public void showMessage(String message) {
// JOptionPane.showMessageDialog(null, message);
}
public boolean promptYesNo(String message) {
// Object[] options={ "yes", "no" };
// int foo=JOptionPane.showOptionDialog(null,
// message,
// "Warning",
// JOptionPane.DEFAULT_OPTION,
// JOptionPane.WARNING_MESSAGE,
// null, options, options[0]);
return true;
}
// If password is not given before the invocation of Session#connect(),
// implement also following methods,
// * UserInfo#getPassword(),
// * UserInfo#promptPassword(String message) and
// * UIKeyboardInteractive#promptKeyboardInteractive()
};
session.setUserInfo(ui);
// It must not be recommended, but if you want to skip host-key check,
// invoke following,
// session.setConfig("StrictHostKeyChecking", "no");
// session.connect();
session.connect(30000); // making a connection with timeout.
channel = session.openChannel("sftp");
channel.connect(3 * 1000);
ChannelSftp sftp = (ChannelSftp) channel;
sftp.cd("/var/opt/fds/logs");
byte[] buffer = new byte[1024];
bis = new BufferedInputStream(sftp.get("TTMonitor.log"));
File newFile = new File("D:/Doneeeeeeeee.java");
os = new FileOutputStream(newFile);
bos = new BufferedOutputStream(os);
int readCount;
System.out.println("Getting: the file");
while ((readCount = bis.read(buffer)) > 0) {
System.out.println("Writing ");
bos.write(buffer, 0, readCount);
}
System.out.println("Done :) ");
// System.out.println(sftp.getHome());
// for (Object o : sftp.ls("")) {
// System.out.println(((ChannelSftp.LsEntry)o).getFilename());
// }
} catch (Exception e) {
System.out.println(e);
} finally {
// Session session=jsch.getSession("usersdp","10.238.226.75",22);
try {
if (os != null) {
os.close();
}
if (bis != null) {
bis.close();
}
if (bos != null) {
bos.close();
}
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
channel.disconnect();
session.disconnect();
}
}
/**
* method for establishing connection while authentication
*
* @param username
* @param namenodeIP
* @param nnpwd
* @param privateKeyPath
* @return
* @throws JSchException
* @throws IOException
* @throws InterruptedException
*/
public static Session establishConnection(
String username, String namenodeIP, String nnpwd, String privateKeyPath)
throws JSchException, IOException, InterruptedException {
JSch jsch = new JSch();
Session session = jsch.getSession(username, namenodeIP, Constants.TWENTY_TWO);
session.setPassword(nnpwd);
UserInfo info = new JumbuneUserInfo();
jsch.addIdentity(privateKeyPath, nnpwd);
session.setUserInfo(info);
java.util.Properties config = new java.util.Properties();
config.put("StrictHostKeyChecking", "no");
session.setConfig(config);
session.connect();
return session;
}
