Java JSch.setConfig方法代碼示例

import com.jcraft.jsch.JSch; //導入方法依賴的package包/類
/**
 * Connect to a remote host and return a channel (session and jsch are set)
 */
Channel connect(String channleType, String sshCommand) throws Exception {
	JSch.setConfig("StrictHostKeyChecking", "no"); // Not recommended, but useful
	jsch = new JSch();

	// Some "reasonable" defaults
	if (Gpr.exists(defaultKnownHosts)) jsch.setKnownHosts(defaultKnownHosts);
	for (String identity : defaultKnownIdentity)
		if (Gpr.exists(identity)) jsch.addIdentity(identity);

	// Create session and connect
	if (debug) Gpr.debug("Create conection:\n\tuser: '" + host.getUserName() + "'\n\thost : '" + host.getHostName() + "'\n\tport : " + host.getPort());
	session = jsch.getSession(host.getUserName(), host.getHostName(), host.getPort());
	session.setUserInfo(new SshUserInfo());
	session.connect();

	// Create channel
	channel = session.openChannel(channleType);
	if ((sshCommand != null) && (channel instanceof ChannelExec)) ((ChannelExec) channel).setCommand(sshCommand);

	return channel;
}
 

import com.jcraft.jsch.JSch; //導入方法依賴的package包/類
protected final void probeSSH(final String host, final KeyPair key) {
    final Callable<Boolean> callable = () -> {
        final JSch jsch = new JSch();
        final Session session = jsch.getSession("ec2-user", host);
        jsch.addIdentity(key.getKeyName(), key.getKeyMaterial().getBytes(), null, null);
        jsch.setConfig("StrictHostKeyChecking", "no"); // for testing this should be fine. adding the host key seems to be only possible via a file which is not very useful here
        session.connect(10000);
        session.disconnect();
        return true;
    };
    Assert.assertTrue(this.retry(callable));
}
 

import com.jcraft.jsch.JSch; //導入方法依賴的package包/類
protected static void reconfigureServerHostKeyOrder(ServerHostKeySortOrder hostKeySortOrder) {
	List<HostKeyType> serverHostKeys = new ArrayList<>(getServerHostKeys());
	if (hostKeySortOrder == ServerHostKeySortOrder.PREFER_ECDSA) {
		Collections.sort(serverHostKeys, CMP_PREFER_ECDSA);
	} else if (hostKeySortOrder == ServerHostKeySortOrder.PREFER_RSA) {
		Collections.sort(serverHostKeys, CMP_PREFER_RSA);
	} else {
		throw new IllegalArgumentException("Unknown host key sort order: " + hostKeySortOrder);
	}

	if (!getServerHostKeys().equals(serverHostKeys)) {
		log.debug("changing server host key order to: " + serverHostKeys);

		List<String> serverHostKeyNames = new ArrayList<>();
		for (HostKeyType serverHostKey : serverHostKeys) {
			serverHostKeyNames.add(serverHostKey.getTypeString());
		}

		String newHostKeyOrder = Utils.join(serverHostKeyNames, SERVER_HOST_KEY_SEPARATOR);
		JSch.setConfig(JSCH_CONFIG_KEY_SERVER_HOST_KEY, newHostKeyOrder);
	}
}
 

import com.jcraft.jsch.JSch; //導入方法依賴的package包/類
@Provides
static JSch provideJSch(
    @Config("rdeSshIdentity") String identity,
    @Key("rdeSshClientPrivateKey") String privateKey,
    @Key("rdeSshClientPublicKey") String publicKey) {
  applyAppEngineKludge();
  JSch jsch = new JSch();
  try {
    jsch.addIdentity(
        identity,
        privateKey.getBytes(UTF_8),
        publicKey.getBytes(UTF_8),
        null);
  } catch (JSchException e) {
    throw new RuntimeException(e);
  }
  // TODO(b/13028224): Implement known hosts checking.
  JSch.setConfig("StrictHostKeyChecking", "no");
  return jsch;
}
 

import com.jcraft.jsch.JSch; //導入方法依賴的package包/類
public SshXpraConnector(XpraClient client, String host, String username, int port, UserInfo userInfo) {
	super(client);
	this.host = host;
	this.username = username;
	this.port = port;
	this.userInfo = userInfo;
	JSch.setConfig("compression_level", "0");
}
 

import com.jcraft.jsch.JSch; //導入方法依賴的package包/類
public static void initSsh(TestAccount a) {
  final Properties config = new Properties();
  config.put("StrictHostKeyChecking", "no");
  JSch.setConfig(config);

  // register a JschConfigSessionFactory that adds the private key as identity
  // to the JSch instance of JGit so that SSH communication via JGit can
  // succeed
  SshSessionFactory.setInstance(
      new JschConfigSessionFactory() {
        @Override
        protected void configure(Host hc, Session session) {
          try {
            final JSch jsch = getJSch(hc, FS.DETECTED);
            jsch.addIdentity("KeyPair", a.privateKey(), a.sshKey.getPublicKeyBlob(), null);
          } catch (JSchException e) {
            throw new RuntimeException(e);
          }
        }
      });
}
 

import com.jcraft.jsch.JSch; //導入方法依賴的package包/類
@Override
public String getServerHostKey(String host, int port, Algorithm algorithm) throws Throwable {
    JSch jsch = new JSch();

    // set the algorithm/key type
    JSch.setConfig("server_host_key", algorithm.signature());

    // in-memory buffer & stream to store the remote host key.
    byte[] knownHosts = new byte[8192];
    ByteArrayInputStream in = new ByteArrayInputStream(knownHosts);

    // set the in-memory stream as key repository
    jsch.setKnownHosts(in);

    // create a session where user name is nobody, it can be anything except null. Because it will fail to
    // authenticate anyway. The remote host key will be added to repository before the authentication.

    com.jcraft.jsch.Session session = jsch.getSession("nobody", host, port);
    // accept unknown key
    session.setConfig("StrictHostKeyChecking", "no");

    try {
        // connect to remote host. It will do host key exchange first then authentication.
        session.connect();
    } catch (JSchException e) {
        // authentication fails but it is ok.
    } finally {
        if (session.isConnected()) {
            // by any chance it is connected, disconnect it.
            session.disconnect();
        }
    }
    return session.getHostKey().getKey();
}
 

import com.jcraft.jsch.JSch; //導入方法依賴的package包/類
@Override
public String getServerHostKey(String host, int port, KeyType type) throws Throwable {

    JSch jsch = new JSch();

    // set the algorithm/key type
    JSch.setConfig("server_host_key", type.publicKeyTypeName());

    // in-memory buffer & stream to store the remote host key.
    byte[] knownHosts = new byte[8192];
    ByteArrayInputStream in = new ByteArrayInputStream(knownHosts);

    // set the in-memory stream as key repository
    jsch.setKnownHosts(in);

    // create a session where user name is nobody, it can be anything except
    // null. Because it will fail to authenticate anyway. The remote host
    // key will be added to repository before the authentication.

    com.jcraft.jsch.Session session = jsch.getSession("nobody", host, port);
    // accept unknown key
    session.setConfig("StrictHostKeyChecking", "no");

    try {
        // connect to remote host. It will do host key exchange first then
        // authentication.
        session.connect();
    } catch (JSchException e) {
        // authentication fails but it is ok.
    } finally {
        if (session.isConnected()) {
            // by any chance it is connected, disconnect it.
            session.disconnect();
        }
    }
    return session.getHostKey().getKey();
}
 

import com.jcraft.jsch.JSch; //導入方法依賴的package包/類
@Test
public void testReExchangeFromJschClient() throws Exception {
    Assume.assumeTrue("DH Group Exchange not supported", SecurityUtils.isDHGroupExchangeSupported());
    setUp(0L, 0L, 0L);

    JSch.setConfig("kex", BuiltinDHFactories.Constants.DIFFIE_HELLMAN_GROUP_EXCHANGE_SHA1);
    JSch sch = new JSch();
    com.jcraft.jsch.Session s = sch.getSession(getCurrentTestName(), TEST_LOCALHOST, port);
    try {
        s.setUserInfo(new SimpleUserInfo(getCurrentTestName()));
        s.connect();

        com.jcraft.jsch.Channel c = s.openChannel(Channel.CHANNEL_SHELL);
        c.connect();
        try (OutputStream os = c.getOutputStream();
             InputStream is = c.getInputStream()) {

            String expected = "this is my command\n";
            byte[] bytes = expected.getBytes(StandardCharsets.UTF_8);
            byte[] data = new byte[bytes.length + Long.SIZE];
            for (int i = 1; i <= 10; i++) {
                os.write(bytes);
                os.flush();

                int len = is.read(data);
                String str = new String(data, 0, len);
                assertEquals("Mismatched data at iteration " + i, expected, str);

                outputDebugMessage("Request re-key #%d", i);
                s.rekey();
            }
        } finally {
            c.disconnect();
        }
    } finally {
        s.disconnect();
    }
}
 

import com.jcraft.jsch.JSch; //導入方法依賴的package包/類
/**
 * Returns a new SSH client with the configured SSH key. This client can be used to create a new
 * SSH session.
 */
private JSch getSshClient() throws JSchException {

  JSch jsch = new JSch();
  jsch.addIdentity(getUserProperty(SSH_KEY));
  JSch.setConfig("StrictHostKeyChecking", "no"); //$NON-NLS-1$ //$NON-NLS-2$
  return jsch;
}
 

import com.jcraft.jsch.JSch; //導入方法依賴的package包/類
@Override
  protected void configure() {
  	Properties properties = loadProperties(configFile);
Names.bindProperties(binder(), properties);
bind(Properties.class).toInstance(properties);
      Preconditions.checkArgument(!Strings.isNullOrEmpty(checkoutPath), "checkout-path must be set");
 		JSch.setConfig("StrictHostKeyChecking", "no");
 		//Evidently some CVS servers dont like re-use of connections. Ours apparently likes them though
      System.setProperty("javacvs.multiple_commands_warning", "false");
  }
 

import com.jcraft.jsch.JSch; //導入方法依賴的package包/類
protected static void reconfigurePreferredAuthentications() {
	JSch.setConfig(JSCH_CONFIG_KEY_PREFERRED_AUTHENTICATIONS, "publickey");
}
 

import com.jcraft.jsch.JSch; //導入方法依賴的package包/類
private Session createSession(ScpConfiguration config) {
    ObjectHelper.notNull(config, "ScpConfiguration");
    try {
        final JSch jsch = new JSch();
        // get from configuration
        if (ObjectHelper.isNotEmpty(config.getCiphers())) {
            LOG.trace("Using ciphers: {}", config.getCiphers());
            Hashtable<String, String> ciphers = new Hashtable<String, String>();
            ciphers.put("cipher.s2c", config.getCiphers());
            ciphers.put("cipher.c2s", config.getCiphers());
            JSch.setConfig(ciphers);
        }
        if (ObjectHelper.isNotEmpty(config.getPrivateKeyFile())) {
            LOG.trace("Using private keyfile: {}", config.getPrivateKeyFile());
            String pkfp = config.getPrivateKeyFilePassphrase();
            jsch.addIdentity(config.getPrivateKeyFile(), ObjectHelper.isNotEmpty(pkfp) ? pkfp : null);
        }

        String knownHostsFile = config.getKnownHostsFile();
        if (knownHostsFile == null && config.isUseUserKnownHostsFile()) {
            if (userKnownHostFile == null) {
                userKnownHostFile = System.getProperty("user.home") + "/.ssh/known_hosts";
                LOG.info("Known host file not configured, using user known host file: " + userKnownHostFile);
            }
            knownHostsFile = userKnownHostFile;
        }
        jsch.setKnownHosts(ObjectHelper.isEmpty(knownHostsFile) ? null : knownHostsFile);
        session = jsch.getSession(config.getUsername(), config.getHost(), config.getPort());
        session.setTimeout(config.getTimeout());
        session.setUserInfo(new SessionUserInfo(config));
        
        if (ObjectHelper.isNotEmpty(config.getStrictHostKeyChecking())) {
            LOG.trace("Using StrickHostKeyChecking: {}", config.getStrictHostKeyChecking());
            session.setConfig("StrictHostKeyChecking", config.getStrictHostKeyChecking());
        }

        int timeout = config.getConnectTimeout();
        LOG.debug("Connecting to {} with {} timeout...", config.remoteServerInformation(),
            timeout > 0 ? (Integer.toString(timeout) + " ms") : "no");
        if (timeout > 0) {
            session.connect(timeout);
        } else {
            session.connect();
        }
    } catch (JSchException e) {
        session = null;
        LOG.warn("Could not create ssh session for " + config.remoteServerInformation(), e);
    }
    return session;
}
 

import com.jcraft.jsch.JSch; //導入方法依賴的package包/類
private Session createSession(ScpConfiguration config) {
	ObjectHelper.notNull(config, "ScpConfiguration");
	try {
		final JSch jsch = new JSch();
		// get from configuration
		if (ObjectHelper.isNotEmpty(config.getCiphers())) {
			LOG.debug("Using ciphers: {}", config.getCiphers());
			Hashtable<String, String> ciphers = new Hashtable<String, String>();
			ciphers.put("cipher.s2c", config.getCiphers());
			ciphers.put("cipher.c2s", config.getCiphers());
			JSch.setConfig(ciphers);
		}
		if (ObjectHelper.isNotEmpty(config.getPrivateKeyFile())) {
			LOG.debug("Using private keyfile: {}", config.getPrivateKeyFile());
			String pkfp = config.getPrivateKeyFilePassphrase();
			jsch.addIdentity(config.getPrivateKeyFile(), ObjectHelper.isNotEmpty(pkfp) ? pkfp : null);
		}

		String knownHostsFile = config.getKnownHostsFile();
		jsch.setKnownHosts(ObjectHelper.isEmpty(knownHostsFile) ? DEFAULT_KNOWN_HOSTS : knownHostsFile);
		session = jsch.getSession(config.getUsername(), config.getHost(), config.getPort());
		session.setTimeout(config.getTimeout());
		session.setUserInfo(new SessionUserInfo(config));

		if (ObjectHelper.isNotEmpty(config.getStrictHostKeyChecking())) {
			LOG.debug("Using StrickHostKeyChecking: {}", config.getStrictHostKeyChecking());
			session.setConfig("StrictHostKeyChecking", config.getStrictHostKeyChecking());
		} else {
			LOG.debug("Using StrickHostKeyChecking: {}", "no");
			session.setConfig("StrictHostKeyChecking", "no");
		}

		int timeout = config.getConnectTimeout();
		LOG.debug("Connecting to {} with {} timeout...", config.remoteServerInformation(), timeout > 0 ? (Integer.toString(timeout) + " ms") : "no");
		if (timeout > 0) {
			session.connect(timeout);
		} else {
			session.connect();
		}
	} catch (JSchException e) {
		session = null;
		LOG.warn("Could not create ssh session for " + config.remoteServerInformation(), e);
	}
	return session;
}
 

import com.jcraft.jsch.JSch; //導入方法依賴的package包/類
@Override
    public Session create() throws Exception
    {
        if (connected_.compareAndSet(false, true))
        {
            JSch jsch = new JSch();
            session_ = jsch.getSession(loginCredentials_.getUser(), hostAndPort_.getHost(), hostAndPort_.getPortOrDefault(22));

            if (sessionTimeout_ != 0)
            {
                session_.setTimeout(sessionTimeout_);
            }

            if (loginCredentials_.getPrivateKey() == null)
            {
                session_.setPassword(loginCredentials_.getPassword());
            }
            else if (loginCredentials_.hasUnencryptedPrivateKey())
            {
                jsch.addIdentity(loginCredentials_.getPrivateKey());
//                jsch.addIdentity(loginCredentials_.getUser(), loginCredentials_.getPrivateKey().getBytes(), null, new byte[0]);
            }
            else if (agentConnector_.isPresent())
            {
                JSch.setConfig("PreferredAuthentications", "publickey");
                jsch.setIdentityRepository(new RemoteIdentityRepository(agentConnector_.get()));
            }

            Properties config = new Properties();
            config.put("StrictHostKeyChecking", "no");
            session_.setConfig(config);

            if (proxy_.isPresent())
            {
                session_.setProxy(proxy_.get());
            }

            session_.connect(connectTimeout_);
            LOGGER.info("ssh session started on {}", hostAndPort_);
        }

        return session_;
    }