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/java/sql/util/StubConnection.java

@@ -0,0 +1,324 @@
+/*
+ * Copyright (c) 2014, 2026, 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.
+ */
+package util;
+
+import java.sql.Array;
+import java.sql.Blob;
+import java.sql.CallableStatement;
+import java.sql.Clob;
+import java.sql.Connection;
+import java.sql.DatabaseMetaData;
+import java.sql.NClob;
+import java.sql.PreparedStatement;
+import java.sql.SQLClientInfoException;
+import java.sql.SQLException;
+import java.sql.SQLWarning;
+import java.sql.SQLXML;
+import java.sql.Savepoint;
+import java.sql.Statement;
+import java.sql.Struct;
+import java.util.Map;
+import java.util.Properties;
+import java.util.concurrent.Executor;
+
+public class StubConnection implements Connection {
+
+    private boolean autoCommit = false;
+    private boolean isclosed;
+
+    public StubConnection() {
+        isclosed = false;
+    }
+
+    @Override
+    public Statement createStatement() throws SQLException {
+        return new StubStatement(this);
+    }
+
+    @Override
+    public PreparedStatement prepareStatement(String sql) throws SQLException {
+        return new StubPreparedStatement(this);
+    }
+
+    @Override
+    public CallableStatement prepareCall(String sql) throws SQLException {
+        return new StubCallableStatement(this);
+    }
+
+    @Override
+    public String nativeSQL(String sql) throws SQLException {
+        throw new UnsupportedOperationException("Not supported yet.");
+    }
+
+    @Override
+    public void setAutoCommit(boolean autoCommit) throws SQLException {
+        System.out.println("**** in StubConnection.setAutoCommit");
+        this.autoCommit = autoCommit;
+    }
+
+    @Override
+    public boolean getAutoCommit() throws SQLException {
+        System.out.println("*** in StubConnection.getAutoCommit");
+        return autoCommit;
+    }
+
+    @Override
+    public void commit() throws SQLException {
+        throw new UnsupportedOperationException("Not supported yet.");
+    }
+
+    @Override
+    public void rollback() throws SQLException {
+        throw new UnsupportedOperationException("Not supported yet.");
+    }
+
+    @Override
+    public void close() throws SQLException {
+        isclosed = true;
+    }
+
+    @Override
+    public boolean isClosed() throws SQLException {
+        return isclosed;
+    }
+
+    @Override
+    public DatabaseMetaData getMetaData() throws SQLException {
+        return new StubDatabaseMetaData();
+    }
+
+    @Override
+    public void setReadOnly(boolean readOnly) throws SQLException {
+        throw new UnsupportedOperationException("Not supported yet.");
+    }
+
+    @Override
+    public boolean isReadOnly() throws SQLException {
+        throw new UnsupportedOperationException("Not supported yet.");
+    }
+
+    @Override
+    public void setCatalog(String catalog) throws SQLException {
+        throw new UnsupportedOperationException("Not supported yet.");
+    }
+
+    @Override
+    public String getCatalog() throws SQLException {
+        throw new UnsupportedOperationException("Not supported yet.");
+    }
+
+    @Override
+    public void setTransactionIsolation(int level) throws SQLException {
+        throw new UnsupportedOperationException("Not supported yet.");
+    }
+
+    @Override
+    public int getTransactionIsolation() throws SQLException {
+        throw new UnsupportedOperationException("Not supported yet.");
+    }
+
+    @Override
+    public SQLWarning getWarnings() throws SQLException {
+        throw new UnsupportedOperationException("Not supported yet.");
+    }
+
+    @Override
+    public void clearWarnings() throws SQLException {
+        throw new UnsupportedOperationException("Not supported yet.");
+    }
+
+    @Override
+    public Statement createStatement(int resultSetType, int resultSetConcurrency) throws SQLException {
+        throw new UnsupportedOperationException("Not supported yet.");
+    }
+
+    @Override
+    public PreparedStatement prepareStatement(String sql, int resultSetType, int resultSetConcurrency) throws SQLException {
+        throw new UnsupportedOperationException("Not supported yet.");
+    }
+
+    @Override
+    public CallableStatement prepareCall(String sql, int resultSetType, int resultSetConcurrency) throws SQLException {
+        throw new UnsupportedOperationException("Not supported yet.");
+    }
+
+    @Override
+    public Map<String, Class<?>> getTypeMap() throws SQLException {
+        throw new UnsupportedOperationException("Not supported yet.");
+    }
+
+    @Override
+    public void setTypeMap(Map<String, Class<?>> map) throws SQLException {
+        throw new UnsupportedOperationException("Not supported yet.");
+    }
+
+    @Override
+    public void setHoldability(int holdability) throws SQLException {
+        throw new UnsupportedOperationException("Not supported yet.");
+    }
+
+    @Override
+    public int getHoldability() throws SQLException {
+        throw new UnsupportedOperationException("Not supported yet.");
+    }
+
+    @Override
+    public Savepoint setSavepoint() throws SQLException {
+        throw new UnsupportedOperationException("Not supported yet.");
+    }
+
+    @Override
+    public Savepoint setSavepoint(String name) throws SQLException {
+        throw new UnsupportedOperationException("Not supported yet.");
+    }
+
+    @Override
+    public void rollback(Savepoint savepoint) throws SQLException {
+        throw new UnsupportedOperationException("Not supported yet.");
+    }
+
+    @Override
+    public void releaseSavepoint(Savepoint savepoint) throws SQLException {
+        throw new UnsupportedOperationException("Not supported yet.");
+    }
+
+    @Override
+    public Statement createStatement(int resultSetType, int resultSetConcurrency, int resultSetHoldability) throws SQLException {
+        throw new UnsupportedOperationException("Not supported yet.");
+    }
+
+    @Override
+    public PreparedStatement prepareStatement(String sql, int resultSetType, int resultSetConcurrency, int resultSetHoldability) throws SQLException {
+        throw new UnsupportedOperationException("Not supported yet.");
+    }
+
+    @Override
+    public CallableStatement prepareCall(String sql, int resultSetType, int resultSetConcurrency, int resultSetHoldability) throws SQLException {
+        throw new UnsupportedOperationException("Not supported yet.");
+    }
+
+    @Override
+    public PreparedStatement prepareStatement(String sql, int autoGeneratedKeys) throws SQLException {
+        throw new UnsupportedOperationException("Not supported yet.");
+    }
+
+    @Override
+    public PreparedStatement prepareStatement(String sql, int[] columnIndexes) throws SQLException {
+        throw new UnsupportedOperationException("Not supported yet.");
+    }
+
+    @Override
+    public PreparedStatement prepareStatement(String sql, String[] columnNames) throws SQLException {
+        throw new UnsupportedOperationException("Not supported yet.");
+    }
+
+    @Override
+    public Clob createClob() throws SQLException {
+        throw new UnsupportedOperationException("Not supported yet.");
+    }
+
+    @Override
+    public Blob createBlob() throws SQLException {
+        throw new UnsupportedOperationException("Not supported yet.");
+    }
+
+    @Override
+    public NClob createNClob() throws SQLException {
+        throw new UnsupportedOperationException("Not supported yet.");
+    }
+
+    @Override
+    public SQLXML createSQLXML() throws SQLException {
+        throw new UnsupportedOperationException("Not supported yet.");
+    }
+
+    @Override
+    public boolean isValid(int timeout) throws SQLException {
+        throw new UnsupportedOperationException("Not supported yet.");
+    }
+
+    @Override
+    public void setClientInfo(String name, String value) throws SQLClientInfoException {
+        throw new UnsupportedOperationException("Not supported yet.");
+    }
+
+    @Override
+    public void setClientInfo(Properties properties) throws SQLClientInfoException {
+        throw new UnsupportedOperationException("Not supported yet.");
+    }
+
+    @Override
+    public String getClientInfo(String name) throws SQLException {
+        throw new UnsupportedOperationException("Not supported yet.");
+    }
+
+    @Override
+    public Properties getClientInfo() throws SQLException {
+        throw new UnsupportedOperationException("Not supported yet.");
+    }
+
+    @Override
+    public Array createArrayOf(String typeName, Object[] elements) throws SQLException {
+        throw new UnsupportedOperationException("Not supported yet.");
+    }
+
+    @Override
+    public Struct createStruct(String typeName, Object[] attributes) throws SQLException {
+        throw new UnsupportedOperationException("Not supported yet.");
+    }
+
+    @Override
+    public void setSchema(String schema) throws SQLException {
+        throw new UnsupportedOperationException("Not supported yet.");
+    }
+
+    @Override
+    public String getSchema() throws SQLException {
+        throw new UnsupportedOperationException("Not supported yet.");
+    }
+
+    @Override
+    public void abort(Executor executor) throws SQLException {
+        throw new UnsupportedOperationException("Not supported yet.");
+    }
+
+    @Override
+    public void setNetworkTimeout(Executor executor, int milliseconds) throws SQLException {
+        throw new UnsupportedOperationException("Not supported yet.");
+    }
+
+    @Override
+    public int getNetworkTimeout() throws SQLException {
+        throw new UnsupportedOperationException("Not supported yet.");
+    }
+
+    @Override
+    public <T> T unwrap(Class<T> iface) throws SQLException {
+        throw new UnsupportedOperationException("Not supported yet.");
+    }
+
+    @Override
+    public boolean isWrapperFor(Class<?> iface) throws SQLException {
+        throw new UnsupportedOperationException("Not supported yet.");
+    }
+}