test/jdk/sun/security/tools/jarsigner/CertChainUnclosed.java

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/**
 * @test
 * @bug 8027991
 * @summary InputStream should be closed in sun.security.tools.jarsigner.Main
 * @modules java.base/sun.security.tools.keytool
 *          jdk.jartool/sun.security.tools.jarsigner
 * @run main/othervm CertChainUnclosed
 */

import java.nio.file.Files;
import java.nio.file.Paths;
import java.security.AccessController;
import java.security.PrivilegedAction;
import java.util.Locale;

public class CertChainUnclosed {

    public static void main(String[] args) throws Exception {
        String os = AccessController.doPrivileged(
                    (PrivilegedAction<String>)() -> System.getProperty("os.name"));
        if (!os.toUpperCase(Locale.US).contains("WINDOWS")) {
            System.out.println("Not Windows. Skip test.");
            return;
        }

        kt("-genkeypair -alias a -dname CN=A");
        kt("-exportcert -file a.crt -alias a");
        Files.copy(Paths.get(System.getProperty("test.src"), "AlgOptions.jar"),
                Paths.get("test.jar"));
        sun.security.tools.jarsigner.Main.main(
                "-storepass changeit -keystore jks -certchain a.crt test.jar a"
                        .split(" "));

        // On Windows, if the file is still opened (or not if GC was
        // performed) and the next line would fail
        Files.delete(Paths.get("a.crt"));
    }

    static void kt(String args) throws Exception {
        sun.security.tools.keytool.Main.main(
            ("-keystore jks -storepass changeit -keypass changeit -keyalg rsa "
                + args).split(" "));
    }
}