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/*
* Copyright (C) 2018, Thomas Wolf <thomas.wolf@paranor.ch> and others
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Distribution License v. 1.0 which is available at
* https://www.eclipse.org/org/documents/edl-v10.php.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
package org.eclipse.jgit.transport;
import static org.junit.Assert.assertEquals;
import java.io.File;
import java.nio.file.Files;
import java.util.Arrays;
import java.util.concurrent.TimeUnit;
import org.eclipse.jgit.junit.MockSystemReader;
import org.eclipse.jgit.util.FS;
import org.eclipse.jgit.util.SystemReader;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import com.jcraft.jsch.Session;
/**
* Tests for correctly interpreting ssh config values when Jsch sessions are
* used.
*/
public class JschConfigSessionFactoryTest {
File tmpConfigFile;
OpenSshConfig tmpConfig;
DefaultSshSessionFactory factory = new DefaultSshSessionFactory();
@Before
public void setup() {
SystemReader.setInstance(new MockSystemReader());
}
@After
public void removeTmpConfig() {
SystemReader.setInstance(null);
if (tmpConfigFile == null) {
return;
}
if (tmpConfigFile.exists() && !tmpConfigFile.delete()) {
tmpConfigFile.deleteOnExit();
}
tmpConfigFile = null;
}
@Test
public void testNoConfigEntry() throws Exception {
tmpConfigFile = File.createTempFile("jsch", "test");
tmpConfig = new OpenSshConfig(tmpConfigFile.getParentFile(),
tmpConfigFile);
factory.setConfig(tmpConfig);
Session session = createSession("ssh://egit/egit/egit");
assertEquals("egit", session.getHost());
// No user in URI, none in ssh config: default is OS user name
assertEquals(SystemReader.getInstance().getProperty("user.name"),
session.getUserName());
assertEquals(22, session.getPort());
}
@Test
public void testAlias() throws Exception {
tmpConfigFile = createConfig("Host egit", "Hostname git.eclipse.org",
"User foo", "Port 29418");
tmpConfig = new OpenSshConfig(tmpConfigFile.getParentFile(),
tmpConfigFile);
factory.setConfig(tmpConfig);
Session session = createSession("ssh://egit/egit/egit");
assertEquals("git.eclipse.org", session.getHost());
assertEquals("foo", session.getUserName());
assertEquals(29418, session.getPort());
}
@Test
public void testAliasWithUser() throws Exception {
tmpConfigFile = createConfig("Host egit", "Hostname git.eclipse.org",
"User foo", "Port 29418");
tmpConfig = new OpenSshConfig(tmpConfigFile.getParentFile(),
tmpConfigFile);
factory.setConfig(tmpConfig);
Session session = createSession("ssh://bar@egit/egit/egit");
assertEquals("git.eclipse.org", session.getHost());
assertEquals("bar", session.getUserName());
assertEquals(29418, session.getPort());
}
@Test
public void testAliasWithPort() throws Exception {
tmpConfigFile = createConfig("Host egit", "Hostname git.eclipse.org",
"User foo", "Port 29418");
tmpConfig = new OpenSshConfig(tmpConfigFile.getParentFile(),
tmpConfigFile);
factory.setConfig(tmpConfig);
Session session = createSession("ssh://bar@egit:22/egit/egit");
assertEquals("git.eclipse.org", session.getHost());
assertEquals("bar", session.getUserName());
assertEquals(22, session.getPort());
}
@Test
public void testAliasIdentical() throws Exception {
tmpConfigFile = createConfig("Host git.eclipse.org",
"Hostname git.eclipse.org", "User foo", "Port 29418");
tmpConfig = new OpenSshConfig(tmpConfigFile.getParentFile(),
tmpConfigFile);
factory.setConfig(tmpConfig);
Session session = createSession("ssh://git.eclipse.org/egit/egit");
assertEquals("git.eclipse.org", session.getHost());
assertEquals("foo", session.getUserName());
assertEquals(29418, session.getPort());
}
@Test
public void testAliasIdenticalWithUser() throws Exception {
tmpConfigFile = createConfig("Host git.eclipse.org",
"Hostname git.eclipse.org", "User foo", "Port 29418");
tmpConfig = new OpenSshConfig(tmpConfigFile.getParentFile(),
tmpConfigFile);
factory.setConfig(tmpConfig);
Session session = createSession("ssh://bar@git.eclipse.org/egit/egit");
assertEquals("git.eclipse.org", session.getHost());
assertEquals("bar", session.getUserName());
assertEquals(29418, session.getPort());
}
@Test
public void testAliasIdenticalWithPort() throws Exception {
tmpConfigFile = createConfig("Host git.eclipse.org",
"Hostname git.eclipse.org", "User foo", "Port 29418");
tmpConfig = new OpenSshConfig(tmpConfigFile.getParentFile(),
tmpConfigFile);
factory.setConfig(tmpConfig);
Session session = createSession(
"ssh://bar@git.eclipse.org:300/egit/egit");
assertEquals("git.eclipse.org", session.getHost());
assertEquals("bar", session.getUserName());
assertEquals(300, session.getPort());
}
@Test
public void testConnectTimout() throws Exception {
tmpConfigFile = createConfig("Host git.eclipse.org",
"Hostname git.eclipse.org", "User foo", "Port 29418",
"ConnectTimeout 10");
tmpConfig = new OpenSshConfig(tmpConfigFile.getParentFile(),
tmpConfigFile);
factory.setConfig(tmpConfig);
Session session = createSession("ssh://git.eclipse.org/something");
assertEquals("git.eclipse.org", session.getHost());
assertEquals("foo", session.getUserName());
assertEquals(29418, session.getPort());
assertEquals(TimeUnit.SECONDS.toMillis(10), session.getTimeout());
}
@Test
public void testAliasCaseDifferenceUpcase() throws Exception {
tmpConfigFile = createConfig("Host Bitbucket.org",
"Hostname bitbucket.org", "User foo", "Port 29418",
"ConnectTimeout 10", //
"Host bitbucket.org", "Hostname bitbucket.org", "User bar",
"Port 22", "ConnectTimeout 5");
tmpConfig = new OpenSshConfig(tmpConfigFile.getParentFile(),
tmpConfigFile);
factory.setConfig(tmpConfig);
Session session = createSession("ssh://Bitbucket.org/something");
assertEquals("bitbucket.org", session.getHost());
assertEquals("foo", session.getUserName());
assertEquals(29418, session.getPort());
assertEquals(TimeUnit.SECONDS.toMillis(10), session.getTimeout());
}
@Test
public void testAliasCaseDifferenceLowcase() throws Exception {
tmpConfigFile = createConfig("Host Bitbucket.org",
"Hostname bitbucket.org", "User foo", "Port 29418",
"ConnectTimeout 10", //
"Host bitbucket.org", "Hostname bitbucket.org", "User bar",
"Port 22", "ConnectTimeout 5");
tmpConfig = new OpenSshConfig(tmpConfigFile.getParentFile(),
tmpConfigFile);
factory.setConfig(tmpConfig);
Session session = createSession("ssh://bitbucket.org/something");
assertEquals("bitbucket.org", session.getHost());
assertEquals("bar", session.getUserName());
assertEquals(22, session.getPort());
assertEquals(TimeUnit.SECONDS.toMillis(5), session.getTimeout());
}
@Test
public void testAliasCaseDifferenceUpcaseInverted() throws Exception {
tmpConfigFile = createConfig("Host bitbucket.org",
"Hostname bitbucket.org", "User bar", "Port 22",
"ConnectTimeout 5", //
"Host Bitbucket.org", "Hostname bitbucket.org", "User foo",
"Port 29418", "ConnectTimeout 10");
tmpConfig = new OpenSshConfig(tmpConfigFile.getParentFile(),
tmpConfigFile);
factory.setConfig(tmpConfig);
Session session = createSession("ssh://Bitbucket.org/something");
assertEquals("bitbucket.org", session.getHost());
assertEquals("foo", session.getUserName());
assertEquals(29418, session.getPort());
assertEquals(TimeUnit.SECONDS.toMillis(10), session.getTimeout());
}
@Test
public void testAliasCaseDifferenceLowcaseInverted() throws Exception {
tmpConfigFile = createConfig("Host bitbucket.org",
"Hostname bitbucket.org", "User bar", "Port 22",
"ConnectTimeout 5", //
"Host Bitbucket.org", "Hostname bitbucket.org", "User foo",
"Port 29418", "ConnectTimeout 10");
tmpConfig = new OpenSshConfig(tmpConfigFile.getParentFile(),
tmpConfigFile);
factory.setConfig(tmpConfig);
Session session = createSession("ssh://bitbucket.org/something");
assertEquals("bitbucket.org", session.getHost());
assertEquals("bar", session.getUserName());
assertEquals(22, session.getPort());
assertEquals(TimeUnit.SECONDS.toMillis(5), session.getTimeout());
}
private File createConfig(String... lines) throws Exception {
File f = File.createTempFile("jsch", "test");
Files.write(f.toPath(), Arrays.asList(lines));
return f;
}
private Session createSession(String uriText) throws Exception {
// For this test to make sense, these few lines must correspond to the
// code in JschConfigSessionFactory.getSession(). Because of
// side-effects we cannot encapsulate that there properly and so we have
// to duplicate this bit here. We also can't test getSession() itself
// since it would try to actually connect to a server.
URIish uri = new URIish(uriText);
String host = uri.getHost();
String user = uri.getUser();
String password = uri.getPass();
int port = uri.getPort();
OpenSshConfig.Host hostConfig = tmpConfig.lookup(host);
if (port <= 0) {
port = hostConfig.getPort();
}
if (user == null) {
user = hostConfig.getUser();
}
return factory.createSession(null, FS.DETECTED, user, password, host,
port, hostConfig);
}
}
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