Bug 379102 - Prevent running Eclipse as root (optionally)I20140128-0800

Change-Id: I3f86470968e2b33a03a246c61950451caabe1884
Signed-off-by: Krzysztof Daniel <krzysztof.daniel@gmail.com>

1 files changed, 24 insertions, 2 deletions

diff --git a/bundles/org.eclipse.equinox.launcher/src/org/eclipse/equinox/launcher/Main.java b/bundles/org.eclipse.equinox.launcher/src/org/eclipse/equinox/launcher/Main.java
index 85417f637..f55835c14 100644
--- a/bundles/org.eclipse.equinox.launcher/src/org/eclipse/equinox/launcher/Main.java
+++ b/bundles/org.eclipse.equinox.launcher/src/org/eclipse/equinox/launcher/Main.java
@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2000, 2012 IBM Corporation and others.
+ * Copyright (c) 2000, 2014 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
@@ -8,7 +8,7 @@
  * Contributors:
  *     IBM Corporation - initial API and implementation
  *     Anton Leherbauer (Wind River Systems) - bug 301226
- *     Red Hat Inc. - bug 373640
+ *     Red Hat Inc. - bug 373640, 379102
  *     Ericsson AB (Pascal Rapicault) - bug 304132
  *******************************************************************************/
 package org.eclipse.equinox.launcher;
@@ -140,6 +140,11 @@ public class Main {
 	private static final String EXITDATA = "-exitdata"; //$NON-NLS-1$
 	private static final String NAME = "-name"; //$NON-NLS-1$
 	private static final String LAUNCHER = "-launcher"; //$NON-NLS-1$
+
+	private static final String PROTECT = "-protect"; //$NON-NLS-1$
+	//currently the only level of protection we care about
+	private static final String MASTER = "master"; //$NON-NLS-1$
+
 	private static final String LIBRARY = "--launcher.library"; //$NON-NLS-1$
 	private static final String APPEND_VMARGS = "--launcher.appendVmargs"; //$NON-NLS-1$
 	private static final String OVERRIDE_VMARGS = "--launcher.overrideVmargs"; //$NON-NLS-1$
@@ -236,6 +241,8 @@ public class Main {
 	protected BufferedWriter log = null;
 	protected boolean newSession = true;
 
+	private boolean protectMaster;
+
 	// for variable substitution
 	public static final String VARIABLE_DELIM_STRING = "$"; //$NON-NLS-1$
 	public static final char VARIABLE_DELIM_CHAR = '$';
@@ -562,6 +569,11 @@ public class Main {
 		setupVMProperties();
 		processConfiguration();
 
+		if (protectMaster && (System.getProperty(PROP_SHARED_CONFIG_AREA) == null)) {
+			System.err.println("This application is configured to run in a cascaded mode only."); //$NON-NLS-1$
+			System.setProperty(PROP_EXITCODE, "" + 14); //$NON-NLS-1$
+			return;
+		}
 		// need to ensure that getInstallLocation is called at least once to initialize the value.
 		// Do this AFTER processing the configuration to allow the configuration to set
 		// the install location.  
@@ -1566,6 +1578,16 @@ public class Main {
 				}
 			}
 
+			// look for the command to use to show the splash screen
+			if (args[i].equalsIgnoreCase(PROTECT)) {
+				found = true;
+				//consume next parameter
+				configArgs[configArgIndex++] = i++;
+				if (args[i].equalsIgnoreCase(MASTER)) {
+					protectMaster = true;
+				}
+			}
+
 			// done checking for args.  Remember where an arg was found 
 			if (found) {
 				configArgs[configArgIndex++] = i;