src/java.base/share/classes/java/util/jar/JarVerifier.java

*** 722,758 ****
  
      /*
       * Like entries() but screens out internal JAR mechanism entries
       * and includes signed entries with no ZIP data.
       */
!     public Enumeration<JarEntry> entries2(final JarFile jar, Enumeration<? extends ZipEntry> e) {
          final Map<String, CodeSigner[]> map = new HashMap<>();
          map.putAll(signerMap());
!         final Enumeration<? extends ZipEntry> enum_ = e;
          return new Enumeration<>() {
  
              Enumeration<String> signers = null;
              JarEntry entry;
  
              public boolean hasMoreElements() {
                  if (entry != null) {
                      return true;
                  }
                  while (enum_.hasMoreElements()) {
!                     ZipEntry ze = enum_.nextElement();
!                     if (JarVerifier.isSigningRelated(ze.getName())) {
                          continue;
                      }
!                     entry = jar.newEntry(ze);
                      return true;
                  }
                  if (signers == null) {
                      signers = Collections.enumeration(map.keySet());
                  }
                  while (signers.hasMoreElements()) {
                      String name = signers.nextElement();
!                     entry = jar.newEntry(new ZipEntry(name));
                      return true;
                  }
  
                  // Any map entries left?
                  return false;
--- 722,758 ----
  
      /*
       * Like entries() but screens out internal JAR mechanism entries
       * and includes signed entries with no ZIP data.
       */
!     public Enumeration<JarEntry> entries2(final JarFile jar, Enumeration<JarEntry> e) {
          final Map<String, CodeSigner[]> map = new HashMap<>();
          map.putAll(signerMap());
!         final Enumeration<JarEntry> enum_ = e;
          return new Enumeration<>() {
  
              Enumeration<String> signers = null;
              JarEntry entry;
  
              public boolean hasMoreElements() {
                  if (entry != null) {
                      return true;
                  }
                  while (enum_.hasMoreElements()) {
!                     JarEntry je = enum_.nextElement();
!                     if (JarVerifier.isSigningRelated(je.getName())) {
                          continue;
                      }
!                     entry = jar.newEntry(je);
                      return true;
                  }
                  if (signers == null) {
                      signers = Collections.enumeration(map.keySet());
                  }
                  while (signers.hasMoreElements()) {
                      String name = signers.nextElement();
!                     entry = jar.newEntry(name);
                      return true;
                  }
  
                  // Any map entries left?
                  return false;