| /* JarSigner.java -- The signing handler of the gjarsigner tool |
| Copyright (C) 2006 Free Software Foundation, Inc. |
| |
| This file is part of GNU Classpath. |
| |
| GNU Classpath is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 2, or (at your option) |
| any later version. |
| |
| GNU Classpath is distributed in the hope that it will be useful, but |
| WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with GNU Classpath; see the file COPYING. If not, write to the |
| Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
| 02110-1301 USA. |
| |
| Linking this library statically or dynamically with other modules is |
| making a combined work based on this library. Thus, the terms and |
| conditions of the GNU General Public License cover the whole |
| combination. |
| |
| As a special exception, the copyright holders of this library give you |
| permission to link this library with independent modules to produce an |
| executable, regardless of the license terms of these independent |
| modules, and to copy and distribute the resulting executable under |
| terms of your choice, provided that you also meet, for each linked |
| independent module, the terms and conditions of the license of that |
| module. An independent module is a module which is not derived from |
| or based on this library. If you modify this library, you may extend |
| this exception to your version of the library, but you are not |
| obligated to do so. If you do not wish to do so, delete this |
| exception statement from your version. */ |
| |
| |
| package gnu.classpath.tools.jarsigner; |
| |
| import gnu.classpath.Configuration; |
| import gnu.classpath.SystemProperties; |
| import gnu.java.util.jar.JarUtils; |
| |
| import java.io.File; |
| import java.io.FileOutputStream; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.util.Enumeration; |
| import java.util.jar.JarEntry; |
| import java.util.jar.JarFile; |
| import java.util.jar.JarOutputStream; |
| import java.util.logging.Logger; |
| |
| /** |
| * The JAR signing handler of the <code>gjarsigner</code> tool. |
| */ |
| public class JarSigner |
| { |
| private static final Logger log = Logger.getLogger(JarSigner.class.getName()); |
| /** The owner tool of this handler. */ |
| private Main main; |
| |
| JarSigner(Main main) |
| { |
| super(); |
| |
| this.main = main; |
| } |
| |
| void start() throws Exception |
| { |
| if (Configuration.DEBUG) |
| log.entering(this.getClass().getName(), "start"); //$NON-NLS-1$ |
| JarFile jarFile = new JarFile(main.getJarFileName()); |
| SFHelper sfHelper = new SFHelper(jarFile); |
| |
| sfHelper.startSigning(); |
| |
| // 1. compute the digests |
| for (Enumeration e = jarFile.entries(); e.hasMoreElements(); ) |
| { |
| JarEntry je = (JarEntry) e.nextElement(); |
| String jeName = je.getName(); |
| if (jeName.equals(JarFile.MANIFEST_NAME) |
| || jeName.endsWith(File.separator)) |
| continue; |
| |
| sfHelper.updateEntry(je); |
| if (main.isVerbose()) |
| System.out.println(Messages.getString("JarSigner.1") + jeName); //$NON-NLS-1$ |
| } |
| |
| sfHelper.finishSigning(main.isSectionsOnly()); |
| if (main.isVerbose()) |
| System.out.println(Messages.getString("JarSigner.2") + JarFile.MANIFEST_NAME); //$NON-NLS-1$ |
| |
| // 2. write jar entries and manifest |
| File signedJarFile = File.createTempFile("gcp-", ".jar"); //$NON-NLS-1$ //$NON-NLS-2$ |
| FileOutputStream fos = new FileOutputStream(signedJarFile); |
| JarOutputStream outSignedJarFile = new JarOutputStream(fos, |
| sfHelper.getManifest()); |
| for (Enumeration e = jarFile.entries(); e.hasMoreElements(); ) |
| { |
| JarEntry je = (JarEntry) e.nextElement(); |
| String jeName = je.getName(); |
| if (jeName.equals(JarFile.MANIFEST_NAME) |
| || jeName.endsWith(File.separator)) |
| continue; |
| |
| log.finest("Processing " + jeName); //$NON-NLS-1$ |
| JarEntry newEntry = new JarEntry(jeName); |
| newEntry.setTime(je.getTime()); |
| outSignedJarFile.putNextEntry(newEntry); |
| InputStream jeis = jarFile.getInputStream(je); |
| copyFromTo(jeis, outSignedJarFile); |
| } |
| |
| // 3. create the .SF file |
| String signaturesFileName = main.getSigFileName(); |
| String sfFileName = JarUtils.META_INF + signaturesFileName |
| + JarUtils.SF_SUFFIX; |
| if (Configuration.DEBUG) |
| log.fine("Processing " + sfFileName); //$NON-NLS-1$ |
| JarEntry sfEntry = new JarEntry(sfFileName); |
| sfEntry.setTime(System.currentTimeMillis()); |
| outSignedJarFile.putNextEntry(sfEntry); |
| sfHelper.writeSF(outSignedJarFile); |
| if (Configuration.DEBUG) |
| log.fine("Created .SF file"); //$NON-NLS-1$ |
| if (main.isVerbose()) |
| System.out.println(Messages.getString("JarSigner.8") + sfFileName); //$NON-NLS-1$ |
| |
| // 4. create the .DSA file |
| String dsaFileName = JarUtils.META_INF + signaturesFileName |
| + JarUtils.DSA_SUFFIX; |
| if (Configuration.DEBUG) |
| log.fine("Processing " + dsaFileName); //$NON-NLS-1$ |
| JarEntry dsaEntry = new JarEntry(dsaFileName); |
| dsaEntry.setTime(System.currentTimeMillis()); |
| outSignedJarFile.putNextEntry(dsaEntry); |
| sfHelper.writeDSA(outSignedJarFile, |
| main.getSignerPrivateKey(), |
| main.getSignerCertificateChain(), |
| main.isInternalSF()); |
| if (Configuration.DEBUG) |
| log.fine("Created .DSA file"); //$NON-NLS-1$ |
| if (main.isVerbose()) |
| System.out.println(Messages.getString("JarSigner.8") + dsaFileName); //$NON-NLS-1$ |
| |
| // cleanup |
| outSignedJarFile.close(); |
| fos.close(); |
| signedJarFile.renameTo(new File(main.getSignedJarFileName())); |
| if (Configuration.DEBUG) |
| log.fine("Renamed signed JAR file"); //$NON-NLS-1$ |
| if (main.isVerbose()) |
| System.out.println(SystemProperties.getProperty("line.separator") //$NON-NLS-1$ |
| + Messages.getString("JarSigner.14")); //$NON-NLS-1$ |
| if (Configuration.DEBUG) |
| log.exiting(this.getClass().getName(), "start"); //$NON-NLS-1$ |
| } |
| |
| private void copyFromTo(InputStream in, JarOutputStream out) |
| throws IOException |
| { |
| byte[] buffer = new byte[8192]; |
| int n; |
| while ((n = in.read(buffer)) != -1) |
| if (n > 0) |
| out.write(buffer, 0, n); |
| } |
| } |