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.

test/jdk/com/sun/net/httpserver/HttpContextTest.java

@@ -0,0 +1,92 @@
+/*
+ * Copyright (c) 2021, 2025, 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 8269692
+ * @summary HttpContext::createContext should throw IllegalArgumentException
+ *          if context already exists
+ * @run junit/othervm HttpContextTest
+ */
+
+import java.io.IOException;
+import com.sun.net.httpserver.HttpContext;
+import com.sun.net.httpserver.HttpExchange;
+import com.sun.net.httpserver.HttpHandler;
+import com.sun.net.httpserver.HttpServer;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertThrows;
+import org.junit.jupiter.api.Test;
+
+public class HttpContextTest {
+
+    static final Class<IllegalArgumentException> IAE = IllegalArgumentException.class;
+
+    @Test
+    public void test() throws IOException {
+        final var server = HttpServer.create(null, 0);
+        final var path = "/foo/";
+
+        assertThrows(IAE, () -> server.removeContext(path));
+        HttpContext context = server.createContext(path);
+        assertEquals(path, context.getPath());
+        assertThrows(IAE, () -> server.createContext(path));
+        assertThrows(IAE, () -> server.createContext(path, new Handler()));
+
+        context.setHandler(new Handler());
+        assertThrows(IAE, () -> server.createContext(path));
+        assertThrows(IAE, () -> server.createContext(path, new Handler()));
+        server.removeContext(context);
+        assertThrows(IAE, () -> server.removeContext(path));
+
+        context = server.createContext(path, new Handler());
+        assertEquals(path, context.getPath());
+        assertThrows(IAE, () -> server.createContext(path));
+        assertThrows(IAE, () -> server.createContext(path, new Handler()));
+        server.removeContext(path);
+        assertThrows(IAE, () -> server.removeContext(path));
+    }
+
+    /**
+     * Confirms that it is possible to create a subcontext, a context whose path
+     * shares the prefix of an existing context.
+     */
+    @Test
+    public void testSubcontext() throws IOException {
+        final var server = HttpServer.create(null, 0);
+        server.createContext("/foo/bar/");
+        server.createContext("/foo/");
+
+        server.createContext("/foo");
+        server.createContext("/foo/bar");
+    }
+
+    /**
+     * A no-op handler
+     */
+    static class Handler implements HttpHandler {
+        @Override
+        public void handle(HttpExchange exchange) throws IOException { }
+    }
+}