package test.cwe798.cwe.examples; import java.io.File; import java.io.FileInputStream; import java.io.IOException; import java.io.InputStreamReader; import java.sql.DriverManager; import java.sql.SQLException; public class FileCredentialTest { public static void main(String[] args) throws SQLException, IOException { String url = "jdbc:mysql://localhost/test"; String u = "admin"; String file = "/test/p.config"; String p = readText(new File(file)); DriverManager.getConnection("", "admin", p); // sensitive call (flow target) test(url, u, p); } public static void test(String url, String v, String q) throws SQLException { DriverManager.getConnection(url, v, q); // sensitive call (flow target) } public static String readText(File f) throws IOException { StringBuilder buf = new StringBuilder(); try (FileInputStream fis = new FileInputStream(f); // opening file input stream (flow source) InputStreamReader reader = new InputStreamReader(fis, "UTF8");) { int n; while ((n = reader.read()) != -1) { buf.append((char)n); } } return buf.toString(); } }