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/ResolutionWithExceptionTest.java
+++ b/test/jdk/java/net/spi/InetAddressResolverProvider/ResolutionWithExceptionTest.java
@ -0,0 +1,94 @@
+/*
+ * Copyright (c) 2021, 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 impl.ThrowingLookupsProviderImpl;
+
+import static impl.ThrowingLookupsProviderImpl.RUNTIME_EXCEPTION_MESSAGE;
+
+import org.testng.Assert;
+import org.testng.annotations.Test;
+
+/*
+ * @test
+ * @summary Test that only UnknownHostException is thrown if resolver
+ * implementation throws RuntimeException during forward or reverse lookup.
+ * @library providers/throwing
+ * @build throwing.lookups.provider/impl.ThrowingLookupsProviderImpl
+ * @run testng/othervm ResolutionWithExceptionTest
+ */
+
+public class ResolutionWithExceptionTest {
+
+    @Test
+    public void getByNameUnknownHostException() {
+        ThrowingLookupsProviderImpl.throwRuntimeException = false;
+        runGetByNameTest();
+    }
+
+    @Test
+    public void getByNameRuntimeException() {
+        ThrowingLookupsProviderImpl.throwRuntimeException = true;
+        runGetByNameTest();
+    }
+
+    @Test
+    public void getByAddressUnknownHostException() throws UnknownHostException {
+        ThrowingLookupsProviderImpl.throwRuntimeException = false;
+        runGetByAddressTest();
+    }
+
+    @Test
+    public void getByAddressRuntimeException() throws UnknownHostException {
+        ThrowingLookupsProviderImpl.throwRuntimeException = true;
+        runGetByAddressTest();
+    }
+
+    private void runGetByNameTest() {
+        // InetAddress.getByName() is expected to throw UnknownHostException in all cases
+        UnknownHostException uhe = Assert.expectThrows(UnknownHostException.class,
+                () -> InetAddress.getByName("doesnt.matter.com"));
+        // If provider is expected to throw RuntimeException - check that UnknownHostException
+        // is set as its cause
+        if (ThrowingLookupsProviderImpl.throwRuntimeException) {
+            Throwable cause = uhe.getCause();
+            if (cause instanceof RuntimeException re) {
+                // Check RuntimeException message
+                Assert.assertEquals(re.getMessage(), RUNTIME_EXCEPTION_MESSAGE,
+                        "incorrect exception message");
+            } else {
+                Assert.fail("UnknownHostException cause is not RuntimeException");
+            }
+        }
+    }
+
+    private void runGetByAddressTest() throws UnknownHostException {
+        // getCanonicalHostName is not expected to throw an exception:
+        // if there is an error during reverse lookup operation the literal IP
+        // address String will be returned.
+        String literalIP = InetAddress.getByAddress(new byte[]{1, 2, 3, 4}).getCanonicalHostName();
+        Assert.assertEquals(literalIP, "1.2.3.4");
+    }
+}