/* TEMPLATE GENERATED TESTCASE FILE
Filename: CWE379_Temporary_File_Creation_in_Insecure_Dir__basic_01.java
Label Definition File: CWE379_Temporary_File_Creation_in_Insecure_Dir__basic.label.xml
Template File: point-flaw-01.tmpl.java
*/
/*
* @description
* CWE: 379 File Creation in Insecure Directory
* Sinks:
*    GoodSink: Restrict permissions on directory
*    BadSink : Permissions never set on directory
* Flow Variant: 01 Baseline
*
* */





import java.io.FileOutputStream;
import java.io.OutputStreamWriter;
import java.io.BufferedWriter;
import java.io.File;
import java.io.IOException;

import java.util.logging.Level;

public class CWE379_Temporary_File_Creation_in_Insecure_Dir__basic_01 extends AbstractTestCase
{
    public void bad() throws Throwable
    {

        FileOutputStream streamFileOutput = null;
        OutputStreamWriter writerOutputStream = null;
        BufferedWriter writerBuffered = null;
        File tempFile = null;

        String directoryName;
        if(System.getProperty("os.name").toLowerCase().indexOf("win") >= 0)
        {
            /* running on Windows */
            directoryName = "C:\\testcases\\insecureDir";
        }
        else
        {
            /* running on non-Windows */
            directoryName = "/home/user/testcases/insecureDir/";
        }

        try
        {
            File newDirectory = new File(directoryName);

            /* FLAW: Permissions never set on directory */

            boolean isSuccessful = newDirectory.mkdir();
            if (isSuccessful)
            {
                IO.writeLine("Directory created");
                tempFile = File.createTempFile("temp", "1234", newDirectory);
                /* Set file as writable by owner, readable by owner, not executable (if file system supports it) */
                if (!tempFile.setWritable(true, true))
                {
                    IO.logger.log(Level.WARNING, "Could not set Writable permissions");
                }
                if (!tempFile.setReadable(true, true))
                {
                    IO.logger.log(Level.WARNING, "Could not set Readable permissions");
                }
                if (!tempFile.setExecutable(false))
                {
                    IO.logger.log(Level.WARNING, "Could not set Executable permissions");
                }
                /* Write something to the file */
                streamFileOutput = new FileOutputStream(tempFile);
                writerOutputStream = new OutputStreamWriter(streamFileOutput, "UTF-8");
                writerBuffered = new BufferedWriter(writerOutputStream);
                writerBuffered.write(42);
            }
        }
        catch (IOException exceptIO)
        {
            IO.logger.log(Level.WARNING, "Error writing to temporary file", exceptIO);
        }
        finally
        {
            /* Delete the temporary file */
            if (tempFile.exists())
            {
                tempFile.delete();
            }

            try
            {
                if (writerBuffered != null)
                {
                    writerBuffered.close();
                }
            }
            catch (IOException exceptIO)
            {
                IO.logger.log(Level.WARNING, "Error closing BufferedWriter", exceptIO);
            }

            try
            {
                if (writerOutputStream != null)
                {
                    writerOutputStream.close();
                }
            }
            catch (IOException exceptIO)
            {
                IO.logger.log(Level.WARNING, "Error closing OutputStreamWriter", exceptIO);
            }

            try
            {
                if (streamFileOutput != null)
                {
                    streamFileOutput.close();
                }
            }
            catch (IOException exceptIO)
            {
                IO.logger.log(Level.WARNING, "Error closing FileOutputStream", exceptIO);
            }
        }

    }

    public void good() throws Throwable
    {
        good1();
    }

    private void good1() throws Throwable
    {

        FileOutputStream streamFileOutput = null;
        OutputStreamWriter writerOutputStream = null;
        BufferedWriter writerBuffered = null;
        File tempFile = null;

        String directoryName;
        if(System.getProperty("os.name").toLowerCase().indexOf("win") >= 0)
        {
            /* running on Windows */
            directoryName = ".\\src\\testcases\\CWE379_File_Creation_in_Insecure_Dir\\secureDir";
        }
        else
        {
            /* running on non-Windows */
            directoryName = "/home/user/testcases/CWE379_File_Creation_in_Insecure_Dir/secureDir/";
        }

        try
        {
            File newDirectory = new File(directoryName);

            /* FIX: Set newDirectory as writable by owner, readable by owner, not executable (if file system supports it) */
            if (!newDirectory.setWritable(true, true))
            {
                IO.logger.log(Level.WARNING, "Could not set Writable permissions");
            }
            if (!newDirectory.setReadable(true, true))
            {
                IO.logger.log(Level.WARNING, "Could not set Readable permissions");
            }
            if (!newDirectory.setExecutable(false))
            {
                IO.logger.log(Level.WARNING, "Could not set Executable permissions");
            }

            boolean isSuccessful = newDirectory.mkdir();
            if (isSuccessful)
            {
                IO.writeLine("Directory created");
                tempFile = File.createTempFile("temp", "1234", newDirectory);
                /* Set file as writable by owner, readable by owner, not executable (if file system supports it) */
                if (!tempFile.setWritable(true, true))
                {
                    IO.logger.log(Level.WARNING, "Could not set Writable permissions");
                }
                if (!tempFile.setReadable(true, true))
                {
                    IO.logger.log(Level.WARNING, "Could not set Readable permissions");
                }
                if (!tempFile.setExecutable(false))
                {
                    IO.logger.log(Level.WARNING, "Could not set Executable permissions");
                }
                /* Write something to the file */
                streamFileOutput = new FileOutputStream(tempFile);
                writerOutputStream = new OutputStreamWriter(streamFileOutput, "UTF-8");
                writerBuffered = new BufferedWriter(writerOutputStream);
                writerBuffered.write(42);
            }
        }
        catch (IOException exceptIO)
        {
            IO.logger.log(Level.WARNING, "Error writing to temporary file", exceptIO);
        }
        finally
        {
            /* Delete the temporary file */
            if (tempFile.exists())
            {
                tempFile.delete();
            }

            try
            {
                if (writerBuffered != null)
                {
                    writerBuffered.close();
                }
            }
            catch (IOException exceptIO)
            {
                IO.logger.log(Level.WARNING, "Error closing BufferedWriter", exceptIO);
            }

            try
            {
                if (writerOutputStream != null)
                {
                    writerOutputStream.close();
                }
            }
            catch (IOException exceptIO)
            {
                IO.logger.log(Level.WARNING, "Error closing OutputStreamWriter", exceptIO);
            }

            try
            {
                if (streamFileOutput != null)
                {
                    streamFileOutput.close();
                }
            }
            catch (IOException exceptIO)
            {
                IO.logger.log(Level.WARNING, "Error closing FileOutputStream", exceptIO);
            }
        }

    }

    /* Below is the main(). It is only used when building this testcase on
     * its own for testing or for building a binary to use in testing binary
     * analysis tools. It is not used when compiling all the testcases as one
     * application, which is how source code analysis tools are tested.
     */
    public static void main(String[] args) throws ClassNotFoundException,
           InstantiationException, IllegalAccessException
    {
        mainFromParent(args);
    }
}

