undefect. CWE-407 — 63 sites patched across 27 ecosystems

Authors: russell@unturf.com · brackishbert@gmail.com · foxhop.net · TimeHexOn.com Patches, unit tests, benchmarks, whitepaper, and outreach briefs. Public domain — no copyright claimed. Use freely.
2026-03-26 17:11:57 -04:00 · 2026-03-26 17:11:57 -04:00 · 0a580b313d
commit 0a580b313d
70422 changed files with 17213626 additions and 0 deletions
--- a/test/jdk/java/net/spi/InetAddressResolverProvider/AddressesCachingTest.java
+++ b/test/jdk/java/net/spi/InetAddressResolverProvider/AddressesCachingTest.java
@ -0,0 +1,122 @@
+/*
+ * Copyright (c) 2021, 2023, 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.
+ */
+
+import java.net.InetAddress;
+import java.net.UnknownHostException;
+
+import org.testng.Assert;
+import org.testng.annotations.Test;
+
+import impl.SimpleResolverProviderImpl;
+
+
+/*
+ * @test
+ * @summary Test that InetAddress caching security properties work as expected
+ *  when a custom resolver is installed.
+ * @library lib providers/simple
+ * @build test.library/testlib.ResolutionRegistry
+ *  simple.provider/impl.SimpleResolverProviderImpl AddressesCachingTest
+ * @run testng/othervm -Djava.security.properties=${test.src}/props/NeverCache.props
+ *  -Dtest.cachingDisabled=true AddressesCachingTest
+ * @run testng/othervm -Djava.security.properties=${test.src}/props/ForeverCache.props
+ *  -Dtest.cachingDisabled=false AddressesCachingTest
+ * @run testng/othervm
+ *  -Djava.security.properties=${test.src}/props/NeverCacheIgnoreMinusStale.props
+ *  -Dtest.cachingDisabled=true AddressesCachingTest
+ * @run testng/othervm
+ *  -Djava.security.properties=${test.src}/props/NeverCacheIgnorePositiveStale.props
+ *  -Dtest.cachingDisabled=true AddressesCachingTest
+ * @run testng/othervm
+ *  -Djava.security.properties=${test.src}/props/NeverCacheIgnoreZeroStale.props
+ *  -Dtest.cachingDisabled=true AddressesCachingTest
+ * @run testng/othervm
+ *  -Djava.security.properties=${test.src}/props/ForeverCacheIgnoreMinusStale.props
+ *  -Dtest.cachingDisabled=false AddressesCachingTest
+ * @run testng/othervm
+ *  -Djava.security.properties=${test.src}/props/ForeverCacheIgnorePositiveStale.props
+ *  -Dtest.cachingDisabled=false AddressesCachingTest
+ * @run testng/othervm
+ *  -Djava.security.properties=${test.src}/props/ForeverCacheIgnoreZeroStale.props
+ *  -Dtest.cachingDisabled=false AddressesCachingTest
+ */
+public class AddressesCachingTest {
+
+    @Test
+    public void testPositiveCaching() {
+        boolean observedTwoLookups = performLookups(false);
+        if (CACHING_DISABLED) {
+            Assert.assertTrue(observedTwoLookups,
+                    "Two positive lookups are expected with caching disabled");
+        } else {
+            Assert.assertFalse(observedTwoLookups,
+                    "Only one positive lookup is expected with caching enabled");
+        }
+    }
+
+    @Test
+    public void testNegativeCaching() {
+        boolean observedTwoLookups = performLookups(true);
+        if (CACHING_DISABLED) {
+            Assert.assertTrue(observedTwoLookups,
+                    "Two negative lookups are expected with caching disabled");
+        } else {
+            Assert.assertFalse(observedTwoLookups,
+                    "Only one negative lookup is expected with caching enabled");
+        }
+    }
+
+    /*
+     * Performs two subsequent positive or negative lookups.
+     * Returns true if the timestamp of this lookups differs,
+     * false otherwise.
+     */
+    private static boolean performLookups(boolean performNegativeLookup) {
+        doLookup(performNegativeLookup);
+        long firstTimestamp = SimpleResolverProviderImpl.getLastLookupTimestamp();
+        doLookup(performNegativeLookup);
+        long secondTimestamp = SimpleResolverProviderImpl.getLastLookupTimestamp();
+        return firstTimestamp != secondTimestamp;
+    }
+
+    // Performs negative or positive lookup.
+    // It is a test error if UnknownHostException is thrown during positive lookup.
+    // It is a test error if UnknownHostException is NOT thrown during negative lookup.
+    private static void doLookup(boolean performNegativeLookup) {
+        String hostName = performNegativeLookup ? "notKnowHost.org" : "javaTest.org";
+        try {
+            InetAddress.getByName(hostName);
+            if (performNegativeLookup) {
+                Assert.fail("Host name is expected to get unresolved");
+            }
+        } catch (UnknownHostException uhe) {
+            if (!performNegativeLookup) {
+                Assert.fail("Host name is expected to get resolved");
+            }
+        }
+    }
+
+    // Helper system property that signals to the test if both negative and positive
+    // caches are disabled.
+    private static final boolean CACHING_DISABLED = Boolean.getBoolean("test.cachingDisabled");
+}