org.apache.sshd.common.channel.Channel Java Examples

The following examples show how to use org.apache.sshd.common.channel.Channel. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.

Example #1

Source File: KeepAliveTest.java From termd with Apache License 2.0

6 votes

@Test
public void testIdleClient() throws Exception {
    SshClient client = setupTestClient();
    client.start();

    try (ClientSession session = client.connect(getCurrentTestName(), TEST_LOCALHOST, port).verify(7L, TimeUnit.SECONDS).getSession()) {
        session.addPasswordIdentity(getCurrentTestName());
        session.auth().verify(5L, TimeUnit.SECONDS);

        try (ClientChannel channel = session.createChannel(Channel.CHANNEL_SHELL)) {
            Collection<ClientChannelEvent> result =
                    channel.waitFor(EnumSet.of(ClientChannelEvent.CLOSED), WAIT);
            assertTrue("Wrong channel state: " + result, result.containsAll(EnumSet.of(ClientChannelEvent.CLOSED)));
        }
    } finally {
        client.stop();
    }
}

Example #2

Source File: KeepAliveTest.java From termd with Apache License 2.0

6 votes

@Test
public void testClientWithHeartBeat() throws Exception {
    SshClient client = setupTestClient();
    PropertyResolverUtils.updateProperty(client, ClientFactoryManager.HEARTBEAT_INTERVAL, HEARTBEAT);
    client.start();

    try (ClientSession session = client.connect(getCurrentTestName(), TEST_LOCALHOST, port).verify(7L, TimeUnit.SECONDS).getSession()) {
        session.addPasswordIdentity(getCurrentTestName());
        session.auth().verify(5L, TimeUnit.SECONDS);

        try (ClientChannel channel = session.createChannel(Channel.CHANNEL_SHELL)) {
            Collection<ClientChannelEvent> result =
                    channel.waitFor(EnumSet.of(ClientChannelEvent.CLOSED), WAIT);
            assertTrue("Wrong channel state: " + result, result.contains(ClientChannelEvent.TIMEOUT));
        }
    } finally {
        client.stop();
    }
}

Example #3

Source File: KeepAliveTest.java From termd with Apache License 2.0

6 votes

@Test
public void testIdleClient() throws Exception {
    SshClient client = setupTestClient();
    client.start();

    try (ClientSession session = client.connect(getCurrentTestName(), TEST_LOCALHOST, port).verify(7L, TimeUnit.SECONDS).getSession()) {
        session.addPasswordIdentity(getCurrentTestName());
        session.auth().verify(5L, TimeUnit.SECONDS);

        try (ClientChannel channel = session.createChannel(Channel.CHANNEL_SHELL)) {
            Collection<ClientChannelEvent> result =
                    channel.waitFor(EnumSet.of(ClientChannelEvent.CLOSED), WAIT);
            assertTrue("Wrong channel state: " + result, result.containsAll(EnumSet.of(ClientChannelEvent.CLOSED)));
        }
    } finally {
        client.stop();
    }
}

Example #4

Source File: KeepAliveTest.java From termd with Apache License 2.0

6 votes

@Test
public void testClientWithHeartBeat() throws Exception {
    SshClient client = setupTestClient();
    PropertyResolverUtils.updateProperty(client, ClientFactoryManager.HEARTBEAT_INTERVAL, HEARTBEAT);
    client.start();

    try (ClientSession session = client.connect(getCurrentTestName(), TEST_LOCALHOST, port).verify(7L, TimeUnit.SECONDS).getSession()) {
        session.addPasswordIdentity(getCurrentTestName());
        session.auth().verify(5L, TimeUnit.SECONDS);

        try (ClientChannel channel = session.createChannel(Channel.CHANNEL_SHELL)) {
            Collection<ClientChannelEvent> result =
                    channel.waitFor(EnumSet.of(ClientChannelEvent.CLOSED), WAIT);
            assertTrue("Wrong channel state: " + result, result.contains(ClientChannelEvent.TIMEOUT));
        }
    } finally {
        client.stop();
    }
}

Example #5

Source File: KeepAliveTest.java From termd with Apache License 2.0

5 votes

@Test
public void testShellClosedOnClientTimeout() throws Exception {
    TestEchoShell.latch = new CountDownLatch(1);

    SshClient client = setupTestClient();
    client.start();

    try (ClientSession session = client.connect(getCurrentTestName(), TEST_LOCALHOST, port).verify(7L, TimeUnit.SECONDS).getSession()) {
        session.addPasswordIdentity(getCurrentTestName());
        session.auth().verify(5L, TimeUnit.SECONDS);

        try (ClientChannel channel = session.createChannel(Channel.CHANNEL_SHELL);
             ByteArrayOutputStream out = new ByteArrayOutputStream();
             ByteArrayOutputStream err = new ByteArrayOutputStream()) {

            channel.setOut(out);
            channel.setErr(err);
            channel.open().verify(9L, TimeUnit.SECONDS);

            assertTrue("Latch time out", TestEchoShell.latch.await(10L, TimeUnit.SECONDS));
            Collection<ClientChannelEvent> result =
                    channel.waitFor(EnumSet.of(ClientChannelEvent.CLOSED), WAIT);
            assertTrue("Wrong channel state: " + result,
                       result.containsAll(
                           EnumSet.of(ClientChannelEvent.CLOSED, ClientChannelEvent.OPENED)));
        }
    } finally {
        TestEchoShell.latch = null;
        client.stop();
    }
}

Example #6

Source File: KeyReExchangeTest.java From termd with Apache License 2.0

5 votes

@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();
    }
}

Example #7

Source File: KeepAliveTest.java From termd with Apache License 2.0

5 votes

@Test
public void testShellClosedOnClientTimeout() throws Exception {
    TestEchoShell.latch = new CountDownLatch(1);

    SshClient client = setupTestClient();
    client.start();

    try (ClientSession session = client.connect(getCurrentTestName(), TEST_LOCALHOST, port).verify(7L, TimeUnit.SECONDS).getSession()) {
        session.addPasswordIdentity(getCurrentTestName());
        session.auth().verify(5L, TimeUnit.SECONDS);

        try (ClientChannel channel = session.createChannel(Channel.CHANNEL_SHELL);
             ByteArrayOutputStream out = new ByteArrayOutputStream();
             ByteArrayOutputStream err = new ByteArrayOutputStream()) {

            channel.setOut(out);
            channel.setErr(err);
            channel.open().verify(9L, TimeUnit.SECONDS);

            assertTrue("Latch time out", TestEchoShell.latch.await(10L, TimeUnit.SECONDS));
            Collection<ClientChannelEvent> result =
                    channel.waitFor(EnumSet.of(ClientChannelEvent.CLOSED), WAIT);
            assertTrue("Wrong channel state: " + result,
                       result.containsAll(
                           EnumSet.of(ClientChannelEvent.CLOSED, ClientChannelEvent.OPENED)));
        }
    } finally {
        TestEchoShell.latch = null;
        client.stop();
    }
}

Example #8

Source File: KeyReExchangeTest.java From termd with Apache License 2.0

5 votes

@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();
    }
}

Example #9

Source File: LoadTest.java From termd with Apache License 2.0

4 votes

@SuppressWarnings("checkstyle:nestedtrydepth")
protected void runClient(String msg) throws Exception {
    try (SshClient client = setupTestClient()) {
        PropertyResolverUtils.updateProperty(client, FactoryManager.MAX_PACKET_SIZE, 1024 * 16);
        PropertyResolverUtils.updateProperty(client, FactoryManager.WINDOW_SIZE, 1024 * 8);
        client.setKeyExchangeFactories(Arrays.asList(
                ClientBuilder.DH2KEX.transform(BuiltinDHFactories.dhg1)));
        client.setCipherFactories(Arrays.<NamedFactory<Cipher>>asList(BuiltinCiphers.blowfishcbc));
        client.start();
        try (ClientSession session = client.connect(getCurrentTestName(), TEST_LOCALHOST, port).verify(7L, TimeUnit.SECONDS).getSession()) {
            session.addPasswordIdentity(getCurrentTestName());
            session.auth().verify(5L, TimeUnit.SECONDS);

            try (ByteArrayOutputStream out = new ByteArrayOutputStream();
                 ByteArrayOutputStream err = new ByteArrayOutputStream();
                 ClientChannel channel = session.createChannel(Channel.CHANNEL_SHELL)) {
                channel.setOut(out);
                channel.setErr(err);

                try {
                    channel.open().verify(9L, TimeUnit.SECONDS);
                    try (OutputStream pipedIn = channel.getInvertedIn()) {
                        msg += "\nexit\n";
                        pipedIn.write(msg.getBytes(StandardCharsets.UTF_8));
                        pipedIn.flush();
                    }

                    Collection<ClientChannelEvent> result =
                            channel.waitFor(EnumSet.of(ClientChannelEvent.CLOSED), TimeUnit.SECONDS.toMillis(15L));
                    assertFalse("Timeout while waiting for channel closure", result.contains(ClientChannelEvent.TIMEOUT));
                } finally {
                    channel.close(false);
                }

                assertArrayEquals("Mismatched message data", msg.getBytes(StandardCharsets.UTF_8), out.toByteArray());
            }
        } finally {
            client.stop();
        }
    }
}

Example #10

Source File: LoadTest.java From termd with Apache License 2.0

4 votes

@SuppressWarnings("checkstyle:nestedtrydepth")
protected void runClient(String msg) throws Exception {
    try (SshClient client = setupTestClient()) {
        PropertyResolverUtils.updateProperty(client, FactoryManager.MAX_PACKET_SIZE, 1024 * 16);
        PropertyResolverUtils.updateProperty(client, FactoryManager.WINDOW_SIZE, 1024 * 8);
        client.setKeyExchangeFactories(Arrays.asList(
                ClientBuilder.DH2KEX.transform(BuiltinDHFactories.dhg1)));
        client.setCipherFactories(Arrays.<NamedFactory<Cipher>>asList(BuiltinCiphers.blowfishcbc));
        client.start();
        try (ClientSession session = client.connect(getCurrentTestName(), TEST_LOCALHOST, port).verify(7L, TimeUnit.SECONDS).getSession()) {
            session.addPasswordIdentity(getCurrentTestName());
            session.auth().verify(5L, TimeUnit.SECONDS);

            try (ByteArrayOutputStream out = new ByteArrayOutputStream();
                 ByteArrayOutputStream err = new ByteArrayOutputStream();
                 ClientChannel channel = session.createChannel(Channel.CHANNEL_SHELL)) {
                channel.setOut(out);
                channel.setErr(err);

                try {
                    channel.open().verify(9L, TimeUnit.SECONDS);
                    try (OutputStream pipedIn = channel.getInvertedIn()) {
                        msg += "\nexit\n";
                        pipedIn.write(msg.getBytes(StandardCharsets.UTF_8));
                        pipedIn.flush();
                    }

                    Collection<ClientChannelEvent> result =
                            channel.waitFor(EnumSet.of(ClientChannelEvent.CLOSED), TimeUnit.SECONDS.toMillis(15L));
                    assertFalse("Timeout while waiting for channel closure", result.contains(ClientChannelEvent.TIMEOUT));
                } finally {
                    channel.close(false);
                }

                assertArrayEquals("Mismatched message data", msg.getBytes(StandardCharsets.UTF_8), out.toByteArray());
            }
        } finally {
            client.stop();
        }
    }
}

Example #11

Source File: MockSftpClient.java From xenon with Apache License 2.0

4 votes

@Override
public Channel getChannel() {
    return null;
}