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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());
}
}
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