/*
* The MIT License
*
* Copyright (c) 2004-2009, Sun Microsystems, Inc., Kohsuke Kawaguchi, CloudBees, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package hudson.lifecycle;
import com.sun.jna.Native;
import hudson.Launcher.LocalLauncher;
import hudson.Util;
import hudson.model.TaskListener;
import hudson.remoting.Callable;
import hudson.remoting.Engine;
import hudson.remoting.jnlp.MainDialog;
import hudson.remoting.jnlp.MainMenu;
import hudson.util.StreamTaskListener;
import hudson.util.jna.DotNet;
import hudson.util.jna.Kernel32Utils;
import hudson.util.jna.SHELLEXECUTEINFO;
import hudson.util.jna.Shell32;
import org.apache.commons.io.FileUtils;
import org.apache.commons.io.IOUtils;
import org.apache.commons.io.output.ByteArrayOutputStream;
import javax.swing.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.KeyEvent;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.PrintWriter;
import java.io.StringWriter;
import java.net.URL;
import static hudson.util.jna.SHELLEXECUTEINFO.*;
import static javax.swing.JOptionPane.*;
/**
* @author Kohsuke Kawaguchi
*/
public class WindowsSlaveInstaller implements Callable<Void,RuntimeException>, ActionListener {
/**
* Root directory of this slave.
* String, not File because the platform can be different.
*/
private final String rootDir;
private transient Engine engine;
private transient MainDialog dialog;
public WindowsSlaveInstaller(String rootDir) {
this.rootDir = rootDir;
}
public Void call() {
if(File.separatorChar=='/') return null; // not Windows
if(System.getProperty("hudson.showWindowsServiceInstallLink")==null)
return null; // only show this when it makes sense, which is when we run from JNLP
dialog = MainDialog.get();
if(dialog==null) return null; // can't find the main window. Maybe not running with GUI
// capture the engine
engine = Engine.current();
SwingUtilities.invokeLater(new Runnable() {
public void run() {
MainMenu mainMenu = dialog.getMainMenu();
JMenu m = mainMenu.getFileMenu();
JMenuItem menu = new JMenuItem(Messages.WindowsInstallerLink_DisplayName(), KeyEvent.VK_W);
menu.addActionListener(WindowsSlaveInstaller.this);
m.add(menu);
mainMenu.commit();
}
});
return null;
}
/**
* Invokes slave.exe with a SCM management command.
*
* <p>
* If it fails in a way that indicates the presence of UAC, retry in an UAC compatible manner.
*/
static int runElevated(File slaveExe, String command, TaskListener out, File pwd) throws IOException, InterruptedException {
try {
return new LocalLauncher(out).launch().cmds(slaveExe, command).stdout(out).pwd(pwd).join();
} catch (IOException e) {
if (e.getMessage().contains("CreateProcess") && e.getMessage().contains("=740")) {
// fall through
} else {
throw e;
}
}
// error code 740 is ERROR_ELEVATION_REQUIRED, indicating that
// we run in UAC-enabled Windows and we need to run this in an elevated privilege
SHELLEXECUTEINFO sei = new SHELLEXECUTEINFO();
sei.fMask = SEE_MASK_NOCLOSEPROCESS;
sei.lpVerb = "runas";
sei.lpFile = slaveExe.getAbsolutePath();
sei.lpParameters = "/redirect redirect.log "+command;
sei.lpDirectory = pwd.getAbsolutePath();
sei.nShow = SW_HIDE;
if (!Shell32.INSTANCE.ShellExecuteEx(sei))
throw new IOException("Failed to shellExecute: "+ Native.getLastError());
try {
return Kernel32Utils.waitForExitProcess(sei.hProcess);
} finally {
FileInputStream fin = new FileInputStream(new File(pwd,"redirect.log"));
IOUtils.copy(fin,out.getLogger());
fin.close();
}
}
/**
* Called when the install menu is selected
*/
public void actionPerformed(ActionEvent e) {
try {
int r = JOptionPane.showConfirmDialog(dialog,
Messages.WindowsSlaveInstaller_ConfirmInstallation(),
Messages.WindowsInstallerLink_DisplayName(), OK_CANCEL_OPTION);
if(r!=JOptionPane.OK_OPTION) return;
if(!DotNet.isInstalled(2,0)) {
JOptionPane.showMessageDialog(dialog,Messages.WindowsSlaveInstaller_DotNetRequired(),
Messages.WindowsInstallerLink_DisplayName(), ERROR_MESSAGE);
return;
}
final File dir = new File(rootDir);
if (!dir.exists()) {
JOptionPane.showMessageDialog(dialog,Messages.WindowsSlaveInstaller_RootFsDoesntExist(rootDir),
Messages.WindowsInstallerLink_DisplayName(), ERROR_MESSAGE);
return;
}
final File slaveExe = new File(dir, "hudson-slave.exe");
FileUtils.copyURLToFile(getClass().getResource("/windows-service/hudson.exe"), slaveExe);
// write out the descriptor
URL jnlp = new URL(engine.getHudsonUrl(),"computer/"+Util.rawEncode(engine.slaveName)+"/slave-agent.jnlp");
String xml = generateSlaveXml(
generateServiceId(rootDir),
System.getProperty("java.home")+"\\bin\\java.exe", "-jnlpUrl "+jnlp.toExternalForm());
FileUtils.writeStringToFile(new File(dir, "hudson-slave.xml"),xml,"UTF-8");
// copy slave.jar
URL slaveJar = new URL(engine.getHudsonUrl(),"jnlpJars/remoting.jar");
File dstSlaveJar = new File(dir,"slave.jar").getCanonicalFile();
if(!dstSlaveJar.exists()) // perhaps slave.jar is already there?
FileUtils.copyURLToFile(slaveJar,dstSlaveJar);
// install as a service
ByteArrayOutputStream baos = new ByteArrayOutputStream();
StreamTaskListener task = new StreamTaskListener(baos);
r = runElevated(slaveExe,"install",task,dir);
if(r!=0) {
JOptionPane.showMessageDialog(
dialog,baos.toString(),"Error", ERROR_MESSAGE);
return;
}
r = JOptionPane.showConfirmDialog(dialog,
Messages.WindowsSlaveInstaller_InstallationSuccessful(),
Messages.WindowsInstallerLink_DisplayName(), OK_CANCEL_OPTION);
if(r!=JOptionPane.OK_OPTION) return;
// let the service start after we close our connection, to avoid conflicts
Runtime.getRuntime().addShutdownHook(new Thread("service starter") {
public void run() {
try {
StreamTaskListener task = StreamTaskListener.fromStdout();
int r = runElevated(slaveExe,"start",task,dir);
task.getLogger().println(r==0?"Successfully started":"start service failed. Exit code="+r);
} catch (IOException e) {
e.printStackTrace();
} catch (InterruptedException e) {
e.printStackTrace();
}
}
});
System.exit(0);
} catch (Exception t) {// this runs as a JNLP app, so if we let an exeption go, we'll never find out why it failed
StringWriter sw = new StringWriter();
t.printStackTrace(new PrintWriter(sw));
JOptionPane.showMessageDialog(dialog,sw.toString(),"Error", ERROR_MESSAGE);
}
}
public static String generateServiceId(String slaveRoot) throws IOException {
return "hudsonslave-"+slaveRoot.replace(':','_').replace('\\','_').replace('/','_');
}
public static String generateSlaveXml(String id, String java, String args) throws IOException {
String xml = IOUtils.toString(WindowsSlaveInstaller.class.getResourceAsStream("/windows-service/hudson-slave.xml"), "UTF-8");
xml = xml.replace("@ID@", id);
xml = xml.replace("@JAVA@", java);
xml = xml.replace("@ARGS@", args);
return xml;
}
private static final long serialVersionUID = 1L;
}