/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.sshd;
import java.net.ServerSocket;
import java.io.OutputStream;
import java.io.File;
import java.io.InputStream;
import java.io.IOException;
import java.io.ByteArrayOutputStream;
import org.junit.Before;
import org.junit.After;
import org.junit.Test;
import org.apache.sshd.common.keyprovider.FileKeyPairProvider;
import org.apache.sshd.util.EchoShellFactory;
import org.apache.sshd.util.BogusPasswordAuthenticator;
import org.apache.sshd.server.command.ScpCommandFactory;
import com.jcraft.jsch.JSch;
import com.jcraft.jsch.Logger;
import com.jcraft.jsch.UserInfo;
import com.jcraft.jsch.Channel;
import com.jcraft.jsch.ChannelExec;
import static org.junit.Assert.*;
/**
* Test for SCP support.
*
* @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
*/
public class ScpTest {
private SshServer sshd;
private int port;
private com.jcraft.jsch.Session session;
@Before
public void setUp() throws Exception {
ServerSocket s = new ServerSocket(0);
port = s.getLocalPort();
s.close();
sshd = SshServer.setUpDefaultServer();
sshd.setPort(port);
sshd.setKeyPairProvider(new FileKeyPairProvider(new String[] { "src/test/resources/hostkey.pem" }));
sshd.setCommandFactory(new ScpCommandFactory());
sshd.setShellFactory(new EchoShellFactory());
sshd.setPasswordAuthenticator(new BogusPasswordAuthenticator());
sshd.start();
JSch sch = new JSch();
sch.setLogger(new Logger() {
public boolean isEnabled(int i) {
return true;
}
public void log(int i, String s) {
System.out.println("Log(jsch," + i + "): " + s);
}
});
session = sch.getSession("sshd", "localhost", port);
session.setUserInfo(new UserInfo() {
public String getPassphrase() {
return null;
}
public String getPassword() {
return "sshd";
}
public boolean promptPassword(String message) {
return true;
}
public boolean promptPassphrase(String message) {
return false;
}
public boolean promptYesNo(String message) {
return true;
}
public void showMessage(String message) {
}
});
session.connect();
}
@After
public void tearDown() throws Exception {
session.disconnect();
sshd.stop();
}
@Test
public void testScp() throws Exception {
String data = "0123456789\n";
File root = new File("target/scp");
File target = new File("target/scp/out.txt");
root.mkdirs();
assertTrue(root.exists());
target.delete();
assertFalse(target.exists());
sendFile("target/scp/out.txt", "out.txt", data);
Thread.sleep(100);
assertTrue(target.exists());
assertEquals(data.length(), target.length());
target.delete();
assertFalse(target.exists());
sendFile("target/scp", "out.txt", data);
Thread.sleep(100);
assertTrue(target.exists());
assertEquals(data.length(), target.length());
sendFileError("target", "scp", "0123456789\n");
readFileError("target/scp");
assertEquals(data, readFile("target/scp/out.txt"));
assertEquals(data, readDir("target/scp"));
target.delete();
root.delete();
sendDir("target", "scp", "out.txt", data);
Thread.sleep(100);
assertTrue(target.exists());
assertEquals(data.length(), target.length());
}
protected String readFile(String path) throws Exception {
ChannelExec c = (ChannelExec) session.openChannel("exec");
c.setCommand("scp -f " + path);
c.connect();
OutputStream os = c.getOutputStream();
InputStream is = c.getInputStream();
String header = readLine(is);
assertEquals("C0644 11 out.txt", header);
int length = Integer.parseInt(header.substring(6, header.indexOf(' ', 6)));
os.write(0);
os.flush();
byte[] buffer = new byte[length];
length = is.read(buffer, 0, buffer.length);
assertEquals(length, buffer.length);
assertEquals(0, is.read());
os.write(0);
os.flush();
c.disconnect();
return new String(buffer);
}
protected String readDir(String path) throws Exception {
ChannelExec c = (ChannelExec) session.openChannel("exec");
c.setCommand("scp -f -r " + path);
c.connect();
OutputStream os = c.getOutputStream();
InputStream is = c.getInputStream();
String header = readLine(is);
assertTrue(header.startsWith("D0755 0 "));
os.write(0);
os.flush();
header = readLine(is);
assertEquals("C0644 11 out.txt", header);
int length = Integer.parseInt(header.substring(6, header.indexOf(' ', 6)));
os.write(0);
os.flush();
byte[] buffer = new byte[length];
length = is.read(buffer, 0, buffer.length);
assertEquals(length, buffer.length);
assertEquals(0, is.read());
os.write(0);
os.flush();
header = readLine(is);
assertEquals("E", header);
c.disconnect();
return new String(buffer);
}
protected String readFileError(String path) throws Exception {
ChannelExec c = (ChannelExec) session.openChannel("exec");
c.setCommand("scp -f " + path);
c.connect();
OutputStream os = c.getOutputStream();
InputStream is = c.getInputStream();
assertEquals(2, is.read());
c.disconnect();
return null;
}
protected void sendFile(String path, String name, String data) throws Exception {
ChannelExec c = (ChannelExec) session.openChannel("exec");
c.setCommand("scp -t " + path);
c.connect();
OutputStream os = c.getOutputStream();
InputStream is = c.getInputStream();
os.write(("C7777 "+ data.length() + " " + name + "\n").getBytes());
os.flush();
assertEquals(0, is.read());
os.write(data.getBytes());
os.flush();
assertEquals(0, is.read());
os.write(0);
os.flush();
c.disconnect();
}
protected void sendFileError(String path, String name, String data) throws Exception {
ChannelExec c = (ChannelExec) session.openChannel("exec");
c.setCommand("scp -t " + path);
c.connect();
OutputStream os = c.getOutputStream();
InputStream is = c.getInputStream();
os.write(("C7777 "+ data.length() + " " + name + "\n").getBytes());
os.flush();
assertEquals(0, is.read());
os.write(data.getBytes());
os.flush();
assertEquals(2, is.read());
c.disconnect();
}
protected void sendDir(String path, String dirName, String fileName, String data) throws Exception {
ChannelExec c = (ChannelExec) session.openChannel("exec");
c.setCommand("scp -t -r " + path);
c.connect();
OutputStream os = c.getOutputStream();
InputStream is = c.getInputStream();
os.write(("D0755 0 " + dirName + "\n").getBytes());
os.flush();
assertEquals(0, is.read());
os.write(("C7777 "+ data.length() + " " + fileName + "\n").getBytes());
os.flush();
assertEquals(0, is.read());
os.write(data.getBytes());
os.flush();
assertEquals(0, is.read());
os.write(0);
os.flush();
os.write("E\n".getBytes());
assertEquals(0, is.read());
}
private String readLine(InputStream in) throws IOException {
ByteArrayOutputStream baos = new ByteArrayOutputStream();
for (;;) {
int c = in.read();
if (c == '\n') {
return baos.toString();
} else if (c == -1) {
throw new IOException("End of stream");
} else {
baos.write(c);
}
}
}
}