--- a/src/share/classes/java/util/jar/JarFile.java	Tue Jan 21 10:49:49 2014 +0100
+++ b/src/share/classes/java/util/jar/JarFile.java	Tue Jan 21 12:08:02 2014 +0800
@@ -40,6 +40,7 @@
 import sun.security.action.GetPropertyAction;
 import sun.security.util.ManifestEntryVerifier;
 import sun.misc.SharedSecrets;
+import sun.security.util.SignatureFileVerifier;
 
 /**
  * The <code>JarFile</code> class is used to read the contents of a jar file
@@ -364,11 +365,13 @@
             String[] names = getMetaInfEntryNames();
             if (names != null) {
                 for (int i = 0; i < names.length; i++) {
-                    JarEntry e = getJarEntry(names[i]);
-                    if (e == null) {
-                        throw new JarException("corrupted jar file");
-                    }
-                    if (!e.isDirectory()) {
+                    String uname = names[i].toUpperCase(Locale.ENGLISH);
+                    if (MANIFEST_NAME.equals(uname)
+                            || SignatureFileVerifier.isBlockOrSF(uname)) {
+                        JarEntry e = getJarEntry(names[i]);
+                        if (e == null) {
+                            throw new JarException("corrupted jar file");
+                        }
                         if (mev == null) {
                             mev = new ManifestEntryVerifier
                                 (getManifestFromReference());

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/sun/security/tools/jarsigner/EntriesOrder.java	Tue Jan 21 12:08:02 2014 +0800
@@ -0,0 +1,199 @@
+/*
+ * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code 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
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/**
+ * @test
+ * @bug 8031572
+ * @summary jarsigner -verify exits with 0 when a jar file is not properly signed
+ */
+
+import java.io.FileInputStream;
+import java.io.FileOutputStream;
+import java.nio.file.Files;
+import java.nio.file.Paths;
+import java.security.cert.Certificate;
+import java.util.*;
+import java.util.jar.JarEntry;
+import java.util.jar.JarFile;
+import java.util.jar.JarInputStream;
+import java.util.zip.ZipEntry;
+import java.util.zip.ZipOutputStream;
+
+public class EntriesOrder {
+
+    public static void main(String[] args) throws Exception {
+
+        String[] entries = {
+                "META-INF/",
+                "META-INF/MANIFEST.MF",
+                "META-INF/A.RSA",
+                "META-INF/A.SF",
+                "META-INF/inf",
+                "a"};
+
+        Map<String,byte[]> content = new HashMap<>();
+
+        // We will create a jar containing entries above. Try all permutations
+        // and confirm 1) When opened as a JarFile, we can always get 3 signed
+        // ones (MANIFEST, inf, a), and 2) When opened as a JarInputStream,
+        // when the order is correct (MANIFEST at beginning, followed by RSA/SF,
+        // directory ignored), we can get 2 signed ones (inf, a).
+
+        // Prepares raw files
+        Files.write(Paths.get("a"), "a".getBytes());
+        Files.createDirectory(Paths.get("META-INF/"));
+        Files.write(Paths.get("META-INF/inf"), "inf".getBytes());
+
+        // Pack, sign, and extract to get all files
+        sun.tools.jar.Main m =
+                new sun.tools.jar.Main(System.out, System.err, "jar");
+        if (!m.run("cvf a.jar a META-INF/inf".split(" "))) {
+            throw new Exception("jar creation failed");
+        }
+        sun.security.tools.keytool.Main.main(
+                ("-keystore jks -storepass changeit -keypass changeit -dname" +
+                        " CN=A -alias a -genkeypair -keyalg rsa").split(" "));
+        sun.security.tools.jarsigner.Main.main(
+                "-keystore jks -storepass changeit a.jar a".split(" "));
+        m = new sun.tools.jar.Main(System.out, System.err, "jar");
+        if (!m.run("xvf a.jar".split(" "))) {
+            throw new Exception("jar extraction failed");
+        }
+
+        // Data
+        for (String s: entries) {
+            if (!s.endsWith("/")) {
+                content.put(s, Files.readAllBytes(Paths.get(s)));
+            }
+        }
+
+        // Test
+        for (List<String> perm: Permute(entries)) {
+
+            // Recreate a jar
+            try (ZipOutputStream zos
+                         = new ZipOutputStream(new FileOutputStream("x.jar"))) {
+                for (String e: perm) {
+                    zos.putNextEntry(new ZipEntry(e));
+                    if (Paths.get(e).toFile().isDirectory()) continue;
+                    zos.write(content.get(e));
+                }
+            }
+
+            // Open with JarFile, number of signed entries should be 3.
+            int cc = 0;
+            try (JarFile jf = new JarFile("x.jar")) {
+                Enumeration<JarEntry> jes = jf.entries();
+                while (jes.hasMoreElements()) {
+                    JarEntry je = jes.nextElement();
+                    sun.misc.IOUtils.readFully(jf.getInputStream(je), -1, true);
+                    Certificate[] certs = je.getCertificates();
+                    if (certs != null && certs.length > 0) {
+                        cc++;
+                    }
+                }
+            }
+
+            if (cc != 3) {
+                System.out.println(perm + " - jf - " + cc);
+                throw new Exception();
+            }
+
+            // Open with JarInputStream
+            int signed;
+
+            perm.remove("META-INF/");
+            if (perm.get(0).equals("META-INF/MANIFEST.MF") &&
+                    perm.get(1).contains("/A.") &&
+                    perm.get(2).contains("/A.")) {
+                signed = 2;     // Good order
+            } else {
+                signed = 0;     // Bad order. In this case, the number of signed
+                                // entries is not documented. Just test impl.
+            }
+
+            cc = 0;
+            try (JarInputStream jis
+                         = new JarInputStream(new FileInputStream("x.jar"))) {
+                while (true) {
+                    JarEntry je = jis.getNextJarEntry();
+                    if (je == null) break;
+                    sun.misc.IOUtils.readFully(jis, -1, true);
+                    Certificate[] certs = je.getCertificates();
+                    if (certs != null && certs.length > 0) {
+                        cc++;
+                    }
+                }
+            }
+
+            if (cc != signed) {
+                System.out.println(perm + " - jis - " + cc + " " + signed);
+                throw new Exception();
+            }
+        }
+    }
+
+    // Helper method to return all permutations of an array. Each output can
+    // be altered without damaging the iteration process.
+    static Iterable<List<String>> Permute(String[] entries) {
+        return new Iterable<List<String>>() {
+
+            int s = entries.length;
+            long c = factorial(s) - 1;      // number of permutations
+
+            private long factorial(int n) {
+                return (n == 1) ? 1: (n * factorial(n-1));
+            }
+
+            @Override
+            public Iterator<List<String>> iterator() {
+                return new Iterator<List<String>>() {
+                    @Override
+                    public boolean hasNext() {
+                        return c >= 0;
+                    }
+
+                    @Override
+                    public List<String> next() {
+                        if (c < 0) return null;
+                        List<String> result = new ArrayList<>(s);
+                        LinkedList<String> source = new LinkedList<>(
+                                Arrays.asList(entries));
+                        // Treat c as a integer with different radixes at
+                        // different digits, i.e. at digit 0, radix is s;
+                        // at digit 1, radix is s-1. Thus a s-digit number
+                        // is able to represent s! different values.
+                        long n = c;
+                        for (int i=s; i>=1; i--) {
+                            int x = (int)(n % i);
+                            result.add(source.remove(x));
+                            n = n / i;
+                        }
+                        c--;
+                        return result;
+                    }
+                };
+            }
+        };
+    }
+}