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+// Copyright 2022 Code Intelligence GmbH
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package com.example;
+
+import com.code_intelligence.jazzer.api.FuzzedDataProvider;
+import java.sql.Connection;
+import java.sql.SQLException;
+import org.h2.jdbcx.JdbcDataSource;
+
+public class SqlInjection {
+ static Connection conn = null;
+
+ public static void fuzzerInitialize() throws Exception {
+ JdbcDataSource ds = new JdbcDataSource();
+ ds.setURL("jdbc:h2:./test.db");
+ conn = ds.getConnection();
+ conn.createStatement().execute(
+ "CREATE TABLE IF NOT EXISTS pet (id IDENTITY PRIMARY KEY, name VARCHAR(50))");
+ }
+
+ static void insecureInsertUser(String userName) throws SQLException {
+ // Never use String.format instead of java.sql.Connection.prepareStatement ...
+ conn.createStatement().execute(String.format("INSERT INTO pet (name) VALUES ('%s')", userName));
+ }
+
+ public static void fuzzerTestOneInput(FuzzedDataProvider data) throws Exception {
+ insecureInsertUser(data.consumeRemainingAsString());
+ }
+}