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/tools/launcher/Jexec.java

@@ -0,0 +1,87 @@
+/*
+ * Copyright (c) 2017, 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.
+ */
+
+/*
+ * @test
+ * @bug 8175000 8314491
+ * @summary test jexec
+ * @requires os.family == "linux"
+ * @build TestHelper
+ * @run main Jexec
+ */
+
+import java.io.File;
+import java.io.IOException;
+import java.nio.file.Path;
+
+public class Jexec extends TestHelper {
+    private final File testJar;
+    private final File jexecCmd;
+    private final String message = "Hello, do you read me ?";
+
+    Jexec() throws IOException {
+        jexecCmd = new File(JAVA_LIB, "jexec");
+        if (!jexecCmd.exists() || !jexecCmd.canExecute()) {
+            throw new Error("jexec: does not exist or not executable");
+        }
+
+        testJar = new File("test.jar");
+        StringBuilder tsrc = new StringBuilder();
+        tsrc.append("public static void main(String... args) {\n");
+        tsrc.append("   for (String x : args) {\n");
+        tsrc.append("        System.out.println(x);\n");
+        tsrc.append("   }\n");
+        tsrc.append("}\n");
+        createJar(testJar, tsrc.toString());
+    }
+
+    public static void main(String... args) throws Exception {
+        Jexec t = new Jexec();
+        t.run(null);
+    }
+
+    private void runTest(String... cmds) throws Exception {
+        TestResult tr = doExec(cmds);
+        if (!tr.isOK()) {
+            System.err.println(tr);
+            throw new Exception("incorrect exit value");
+        }
+        if (!tr.contains(message)) {
+            System.err.println(tr);
+            throw new Exception("expected message \'" + message + "\' not found");
+        }
+    }
+
+    @Test
+    void jexec() throws Exception {
+        runTest(jexecCmd.getAbsolutePath(),
+                testJar.getAbsolutePath(), message);
+    }
+
+    @Test
+    void jexecInPath() throws Exception {
+        Path jexec = Path.of(jexecCmd.getAbsolutePath());
+        runTest("/bin/sh", "-c",
+                String.format("PATH=%s ; jexec %s '%s'",jexec.getParent(), testJar.getAbsolutePath(), message));
+    }
+}