/* TEMPLATE GENERATED TESTCASE FILE
Filename: CWE90_LDAP_Injection__console_readLine_09.java
Label Definition File: CWE90_LDAP_Injection.label.xml
Template File: sources-sink-09.tmpl.java
*/
/*
* @description
* CWE: 90 LDAP Injection
* BadSource: console_readLine Read data from the console using readLine()
* GoodSource: A hardcoded string
* BadSink:  data concatenated into LDAP search, which could result in LDAP Injection
* Flow Variant: 09 Control flow: if(IO.STATIC_FINAL_TRUE) and if(IO.STATIC_FINAL_FALSE)
*
* */







import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.io.IOException;

import java.util.logging.Level;

import javax.naming.*;
import javax.naming.directory.*;

import java.util.Hashtable;

public class CWE90_LDAP_Injection__console_readLine_09 extends AbstractTestCase
{
    /* uses badsource and badsink */
    public void bad() throws Throwable
    {
        String data;
        if (IO.STATIC_FINAL_TRUE)
        {
            data = ""; /* Initialize data */
            {
                InputStreamReader readerInputStream = null;
                BufferedReader readerBuffered = null;
                /* read user input from console with readLine */
                try
                {
                    readerInputStream = new InputStreamReader(System.in, "UTF-8");
                    readerBuffered = new BufferedReader(readerInputStream);
                    /* POTENTIAL FLAW: Read data from the console using readLine */
                    data = readerBuffered.readLine();
                }
                catch (IOException exceptIO)
                {
                    IO.logger.log(Level.WARNING, "Error with stream reading", exceptIO);
                }
                finally
                {
                    try
                    {
                        if (readerBuffered != null)
                        {
                            readerBuffered.close();
                        }
                    }
                    catch (IOException exceptIO)
                    {
                        IO.logger.log(Level.WARNING, "Error closing BufferedReader", exceptIO);
                    }

                    try
                    {
                        if (readerInputStream != null)
                        {
                            readerInputStream.close();
                        }
                    }
                    catch (IOException exceptIO)
                    {
                        IO.logger.log(Level.WARNING, "Error closing InputStreamReader", exceptIO);
                    }
                }
            }
            /* NOTE: Tools may report a flaw here because buffread and isr are not closed.  Unfortunately, closing those will close System.in, which will cause any future attempts to read from the console to fail and throw an exception */
        }
        else
        {
            /* INCIDENTAL: CWE 561 Dead Code, the code below will never run
             * but ensure data is inititialized before the Sink to avoid compiler errors */
            data = null;
        }

        Hashtable<String, String> environmentHashTable = new Hashtable<String, String>();
        environmentHashTable.put(Context.INITIAL_CONTEXT_FACTORY,"com.sun.jndi.ldap.LdapCtxFactory");
        environmentHashTable.put(Context.PROVIDER_URL, "ldap://localhost:389");
        DirContext directoryContext = null;

        try
        {
            directoryContext = new InitialDirContext(environmentHashTable);
            /* POTENTIAL FLAW: data concatenated into LDAP search, which could result in LDAP Injection */
            String search = "(cn=" + data + ")";

            NamingEnumeration<SearchResult> answer = directoryContext.search("", search, null);
            while (answer.hasMore())
            {
                SearchResult searchResult = answer.next();
                Attributes attributes = searchResult.getAttributes();
                NamingEnumeration<?> allAttributes = attributes.getAll();
                while (allAttributes.hasMore())
                {
                    Attribute attribute = (Attribute) allAttributes.next();
                    NamingEnumeration<?> allValues = attribute.getAll();
                    while(allValues.hasMore())
                    {
                        IO.writeLine(" Value: " + allValues.next().toString());
                    }
                }
            }
        }
        catch (NamingException exceptNaming)
        {
            IO.logger.log(Level.WARNING, "The LDAP service was not found or login failed.", exceptNaming);
        }
        finally
        {
            if (directoryContext != null)
            {
                try
                {
                    directoryContext.close();
                }
                catch (NamingException exceptNaming)
                {
                    IO.logger.log(Level.WARNING, "Error closing DirContext", exceptNaming);
                }
            }
        }

    }

    /* goodG2B1() - use goodsource and badsink by changing IO.STATIC_FINAL_TRUE to IO.STATIC_FINAL_FALSE */
    private void goodG2B1() throws Throwable
    {
        String data;
        if (IO.STATIC_FINAL_FALSE)
        {
            /* INCIDENTAL: CWE 561 Dead Code, the code below will never run
             * but ensure data is inititialized before the Sink to avoid compiler errors */
            data = null;
        }
        else
        {

            /* FIX: Use a hardcoded string */
            data = "foo";

        }

        Hashtable<String, String> environmentHashTable = new Hashtable<String, String>();
        environmentHashTable.put(Context.INITIAL_CONTEXT_FACTORY,"com.sun.jndi.ldap.LdapCtxFactory");
        environmentHashTable.put(Context.PROVIDER_URL, "ldap://localhost:389");
        DirContext directoryContext = null;

        try
        {
            directoryContext = new InitialDirContext(environmentHashTable);
            /* POTENTIAL FLAW: data concatenated into LDAP search, which could result in LDAP Injection */
            String search = "(cn=" + data + ")";

            NamingEnumeration<SearchResult> answer = directoryContext.search("", search, null);
            while (answer.hasMore())
            {
                SearchResult searchResult = answer.next();
                Attributes attributes = searchResult.getAttributes();
                NamingEnumeration<?> allAttributes = attributes.getAll();
                while (allAttributes.hasMore())
                {
                    Attribute attribute = (Attribute) allAttributes.next();
                    NamingEnumeration<?> allValues = attribute.getAll();
                    while(allValues.hasMore())
                    {
                        IO.writeLine(" Value: " + allValues.next().toString());
                    }
                }
            }
        }
        catch (NamingException exceptNaming)
        {
            IO.logger.log(Level.WARNING, "The LDAP service was not found or login failed.", exceptNaming);
        }
        finally
        {
            if (directoryContext != null)
            {
                try
                {
                    directoryContext.close();
                }
                catch (NamingException exceptNaming)
                {
                    IO.logger.log(Level.WARNING, "Error closing DirContext", exceptNaming);
                }
            }
        }

    }

    /* goodG2B2() - use goodsource and badsink by reversing statements in if */
    private void goodG2B2() throws Throwable
    {
        String data;
        if (IO.STATIC_FINAL_TRUE)
        {
            /* FIX: Use a hardcoded string */
            data = "foo";
        }
        else
        {
            /* INCIDENTAL: CWE 561 Dead Code, the code below will never run
             * but ensure data is inititialized before the Sink to avoid compiler errors */
            data = null;
        }

        Hashtable<String, String> environmentHashTable = new Hashtable<String, String>();
        environmentHashTable.put(Context.INITIAL_CONTEXT_FACTORY,"com.sun.jndi.ldap.LdapCtxFactory");
        environmentHashTable.put(Context.PROVIDER_URL, "ldap://localhost:389");
        DirContext directoryContext = null;

        try
        {
            directoryContext = new InitialDirContext(environmentHashTable);
            /* POTENTIAL FLAW: data concatenated into LDAP search, which could result in LDAP Injection */
            String search = "(cn=" + data + ")";

            NamingEnumeration<SearchResult> answer = directoryContext.search("", search, null);
            while (answer.hasMore())
            {
                SearchResult searchResult = answer.next();
                Attributes attributes = searchResult.getAttributes();
                NamingEnumeration<?> allAttributes = attributes.getAll();
                while (allAttributes.hasMore())
                {
                    Attribute attribute = (Attribute) allAttributes.next();
                    NamingEnumeration<?> allValues = attribute.getAll();
                    while(allValues.hasMore())
                    {
                        IO.writeLine(" Value: " + allValues.next().toString());
                    }
                }
            }
        }
        catch (NamingException exceptNaming)
        {
            IO.logger.log(Level.WARNING, "The LDAP service was not found or login failed.", exceptNaming);
        }
        finally
        {
            if (directoryContext != null)
            {
                try
                {
                    directoryContext.close();
                }
                catch (NamingException exceptNaming)
                {
                    IO.logger.log(Level.WARNING, "Error closing DirContext", exceptNaming);
                }
            }
        }

    }

    public void good() throws Throwable
    {
        goodG2B1();
        goodG2B2();
    }

    /* 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);
    }
}
