protected PermissionCollection getPermissions(CodeSource codeSource) { PermissionCollection perms; try { try { perms = super.getPermissions(codeSource); } catch (SecurityException e) { // We lied about our CodeSource and that makes URLClassLoader unhappy. perms = new Permissions(); } ProtectionDomain myDomain = AccessController.doPrivileged( new PrivilegedAction<ProtectionDomain>() { public ProtectionDomain run() { return getClass().getProtectionDomain(); } }); PermissionCollection myPerms = myDomain.getPermissions(); if (myPerms != null) { for (Enumeration<Permission> elements = myPerms.elements(); elements.hasMoreElements(); ) { perms.add(elements.nextElement()); } } } catch (Throwable e) { // We lied about our CodeSource and that makes URLClassLoader unhappy. perms = new Permissions(); } perms.setReadOnly(); return perms; }
protected Class<?> defineClassFromData( final File container, final byte[] classData, final String classname) throws IOException { this.definePackage(container, classname); final ProtectionDomain currentPd = Project.class.getProtectionDomain(); final String classResource = this.getClassFilename(classname); final CodeSource src = new CodeSource( AntClassLoader.FILE_UTILS.getFileURL(container), this.getCertificates(container, classResource)); final ProtectionDomain classesPd = new ProtectionDomain(src, currentPd.getPermissions(), this, currentPd.getPrincipals()); return this.defineClass(classname, classData, 0, classData.length, classesPd); }
/** Does install of JRE */ public static void install() { // Hide the JNLP Clients installer window and show own Config.getInstallService().hideStatusWindow(); showInstallerWindow(); // Make sure the destination exists. String path = Config.getInstallService().getInstallPath(); if (Config.isWindowsInstall()) { String defaultLocation = "C:\\Program Files\\Java\\j2re" + Config.getJavaVersion() + "\\"; File defaultDir = new File(defaultLocation); if (!defaultDir.exists()) { defaultDir.mkdirs(); } if (defaultDir.exists() && defaultDir.canWrite()) { path = defaultLocation; // use default if you can } } File installDir = new File(path); if (!installDir.exists()) { installDir.mkdirs(); if (!installDir.exists()) { // The installFailed string is only for debugging. No localization needed installFailed("couldntCreateDirectory", null); return; } } // Show license if neccesary enableStep(STEP_LICENSE); if (!showLicensing()) { // The installFailed string is only for debugging. No localization needed installFailed("Licensing was not accepted", null); } ; // Make sure that the data JAR is downloaded enableStep(STEP_DOWNLOAD); if (!downloadInstallerComponent()) { // The installFailed string is only for debugging. No localization needed installFailed("Unable to download data component", null); } String nativeLibName = Config.getNativeLibName(); File installerFile = null; try { // Load native library into process if found if (nativeLibName != null && !Config.isSolarisInstall()) { System.loadLibrary(nativeLibName); } // Unpack installer enableStep(STEP_UNPACK); String installResource = Config.getInstallerResource(); Config.trace("Installer resource: " + installResource); installerFile = unpackInstaller(installResource); // To clean-up downloaded files Config.trace("Unpacked installer to: " + installerFile); if (installerFile == null) { // The installFailed string is only for debugging. No localization needed installFailed("Could not unpack installer components", null); return; } enableStep(STEP_INSTALL); setStepText(STEP_INSTALL, Config.getWindowStepWait(STEP_INSTALL)); boolean success = false; if (Config.isSolarisInstall()) { success = runSolarisInstaller(path, installerFile); } else { success = runWindowsInstaller(path, installerFile); } if (!success) { // The installFailed string is only for debugging. No localization needed installFailed("Could not run installer", null); return; } } catch (UnsatisfiedLinkError ule) { // The installFailed string is only for debugging. No localization needed installFailed("Unable to load library: " + nativeLibName, null); return; } finally { if (installerFile != null) { installerFile.delete(); } } setStepText(STEP_INSTALL, Config.getWindowStep(STEP_INSTALL)); enableStep(STEP_DONE); String execPath = path + Config.getJavaPath(); Config.trace(execPath); /** Remove installer JAR from cache */ removeInstallerComponent(); // If we're running anything after 1.0.1 or not on Windows, just call // finishedInstall. Otherwise, deny ExitVM permission so that we can // return here and do a reboot. We have to do this because we need to // call ExtensionInstallerService.finishedInstall(), which registers // that our extension (the JRE) is installed. Unfortunately pre-1.2 it // also does not understand that we are requesting a reboot, and calls // System.exit(). So for pre 1.2 we want to deny the permission to // exit the VM so we can return here and perform a reboot. boolean ispre12 = false; String version = Config.getJavaWSVersion(); // get first tuple String v = version.substring(version.indexOf('-') + 1); int i2 = v.indexOf('.'); int v1 = Integer.parseInt(v.substring(0, i2)); // get second tuple v = v.substring(i2 + 1); i2 = v.indexOf('.'); if (i2 == -1) i2 = v.indexOf('-'); if (i2 == -1) i2 = v.indexOf('['); if (i2 == -1) i2 = v.length(); int v2 = Integer.parseInt(v.substring(0, i2)); // are we pre 1.2? if (v1 < 1 || (v1 == 1 && v2 < 2)) ispre12 = true; if (Config.isWindowsInstall() && ispre12 && Config.isHopper()) { // deny ExitVM permission then call finishedInstall ProtectionDomain pd = (new Object()).getClass().getProtectionDomain(); CodeSource cs = pd.getCodeSource(); AllPermissionExceptExitVM perm = new AllPermissionExceptExitVM(); PermissionCollection newpc = perm.newPermissionCollection(); newpc.add(perm); // run finishedInstall within the new context which excluded // just the ExitVM permission ProtectionDomain newpd = new ProtectionDomain(cs, newpc); AccessControlContext newacc = new AccessControlContext(new ProtectionDomain[] {newpd}); final String fExecPath = execPath; try { AccessController.doPrivileged( new PrivilegedExceptionAction() { public Object run() throws SecurityException { finishedInstall(fExecPath); return null; } }, newacc); } catch (PrivilegedActionException pae) { // swallow the exception because we want ExitVM to fail silent } catch (SecurityException se) { // swallow the exception because we want ExitVM to fail silent } } else { // just call finished Install finishedInstall(execPath); } if (Config.isWindowsInstall() && WindowsInstaller.IsRebootNecessary()) { // reboot if (!WindowsInstaller.askUserForReboot()) System.exit(0); } else { System.exit(0); } }