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/langtools/tools/javac/AccessMethods/ConstructorAccess.java

@@ -0,0 +1,124 @@
+/*
+ * Copyright (c) 1998, 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 4116460
+ * @summary Test access methods for private constructors.
+ * @author William Maddox (maddox)
+ *
+ * @compile ConstructorAccess.java
+ * @run main ConstructorAccess
+ */
+
+public class ConstructorAccess {
+    int i = 0;
+    char c = 'x';
+
+    private ConstructorAccess() {
+        this.i = 42;
+    }
+
+    private ConstructorAccess(int i, char c) {
+        this.i = i;
+        this.c = c;
+    }
+
+    class Inner {
+        int j;
+        char c;
+        boolean b;
+
+        private Inner() {
+            this.j = 0;
+            this.b = false;
+            this.c = 'x';
+        }
+        private Inner(int i, char c) {
+            this.j = i;
+            this.b = true;
+            this.c = c;
+            ConstructorAccess.this.i = i;
+        }
+        private Inner(int i, boolean b) {
+            this.j = i;
+            this.b = b;
+            this.c = 'x';
+        }
+        void foo() throws Exception {
+            ConstructorAccess x = new ConstructorAccess();
+            if (x.i != 42 || x.c != 'x') {
+                throw new Exception("error 1");
+            }
+            ConstructorAccess y = new ConstructorAccess(555, 'y');
+            if (y.i != 555 || y.c != 'y') {
+                throw new Exception("error2");
+            }
+        }
+        void check(int j, char c, boolean b) throws Exception {
+            if (this.j != j || this.c != c || this.b != b) {
+                throw new Exception("error3");
+            }
+        }
+    }
+
+    void bar() throws Exception {
+        Inner x = new Inner();
+        x.check(0, 'x', false);
+        x.foo();
+        Inner y = new Inner(747, 'z');
+        y.check(747, 'z', true);
+        if (this.i != 747) {
+            throw new Exception("error 4");
+        }
+        Inner z = new Inner(777, true);
+        z.check(777, 'x' , true);
+    }
+
+    class InnerSub extends Inner {
+        private InnerSub() {
+            super();
+        }
+        private InnerSub(int i) {
+            super(i, 'w');
+        }
+        private InnerSub(int i, boolean b) {
+            super(i, b);
+        }
+    }
+
+    public static void main(String[] args) throws Exception {
+        ConstructorAccess o = new ConstructorAccess();
+        o.bar();
+        InnerSub x = o.new InnerSub();
+        x.check(0, 'x', false);
+        x.foo();
+        InnerSub y = o.new InnerSub(767);
+        y.check(767, 'w', true);
+        if (o.i != 767) {
+            throw new Exception("error 5");
+        }
+        InnerSub z = o.new InnerSub(777, true);
+        z.check(777, 'x' , true);
+    }
+}