/* goodB2G1() - use badsource and goodsink by changing second privateReturnsTrue() to privateReturnsFalse() */
private void goodB2G1() throws Throwable {
String data;
if (privateReturnsTrue()) {
/* get system property user.home */
/* POTENTIAL FLAW: Read data from a system property */
data = System.getProperty("user.home");
} 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;
}
if (privateReturnsFalse()) {
/* INCIDENTAL: CWE 561 Dead Code, the code below will never run */
IO.writeLine("Benign, fixed string");
} else {
String xmlFile = null;
if (System.getProperty("os.name").toLowerCase().indexOf("win") >= 0) {
/* running on Windows */
xmlFile = "\\src\\testcases\\CWE643_Xpath Injection\\CWE643_Xpath_Injection__Helper.xml";
} else {
/* running on non-Windows */
xmlFile = "./src/testcases/CWE643_Xpath Injection/CWE643_Xpath_Injection__Helper.xml";
}
if (data != null) {
/* assume username||password as source */
String[] tokens = data.split("||");
if (tokens.length < 2) {
return;
}
/* FIX: validate input using StringEscapeUtils */
String username = StringEscapeUtils.escapeXml(tokens[0]);
String password = StringEscapeUtils.escapeXml(tokens[1]);
/* build xpath */
XPath xPath = XPathFactory.newInstance().newXPath();
InputSource inputXml = new InputSource(xmlFile);
String query =
"//users/user[name/text()='"
+ username
+ "' and pass/text()='"
+ password
+ "']"
+ "/secret/text()";
String secret = (String) xPath.evaluate(query, inputXml, XPathConstants.STRING);
}
}
}
public void action(String data) throws Throwable {
String xmlFile = null;
if (System.getProperty("os.name").toLowerCase().indexOf("win") >= 0) {
/* running on Windows */
xmlFile = "\\src\\testcases\\CWE643_Xpath Injection\\CWE643_Xpath_Injection__Helper.xml";
} else {
/* running on non-Windows */
xmlFile = "./src/testcases/CWE643_Xpath Injection/CWE643_Xpath_Injection__Helper.xml";
}
if (data != null) {
/* assume username||password as source */
String[] tokens = data.split("||");
if (tokens.length < 2) {
return;
}
String username = tokens[0];
String password = tokens[1];
/* build xpath */
XPath xPath = XPathFactory.newInstance().newXPath();
InputSource inputXml = new InputSource(xmlFile);
/* INCIDENTAL: CWE180 Incorrect Behavior Order: Validate Before Canonicalize
* The user input should be canonicalized before validation. */
/* POTENTIAL FLAW: user input is used without validate */
String query =
"//users/user[name/text()='"
+ username
+ "' and pass/text()='"
+ password
+ "']"
+ "/secret/text()";
String secret = (String) xPath.evaluate(query, inputXml, XPathConstants.STRING);
}
}
private String bad_source() throws Throwable {
String data;
Logger log_bad = Logger.getLogger("local-logger");
/* get environment variable ADD */
data = System.getenv("ADD");
return data;
}
/* goodG2B2() - use goodsource and badsink by reversing the blocks in the first switch */
private void goodG2B2() throws Throwable {
String data;
switch (6) {
case 6:
/* FIX: Use a hardcoded string */
data = "foo";
break;
default:
/* 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;
break;
}
switch (7) {
case 7:
String xmlFile = null;
if (System.getProperty("os.name").toLowerCase().indexOf("win") >= 0) {
/* running on Windows */
xmlFile = "\\src\\testcases\\CWE643_Xpath Injection\\CWE643_Xpath_Injection__Helper.xml";
} else {
/* running on non-Windows */
xmlFile = "./src/testcases/CWE643_Xpath Injection/CWE643_Xpath_Injection__Helper.xml";
}
if (data != null) {
/* assume username||password as source */
String[] tokens = data.split("||");
if (tokens.length < 2) {
return;
}
String username = tokens[0];
String password = tokens[1];
/* build xpath */
XPath xPath = XPathFactory.newInstance().newXPath();
InputSource inputXml = new InputSource(xmlFile);
/* INCIDENTAL: CWE180 Incorrect Behavior Order: Validate Before Canonicalize
* The user input should be canonicalized before validation. */
/* POTENTIAL FLAW: user input is used without validate */
String query =
"//users/user[name/text()='"
+ username
+ "' and pass/text()='"
+ password
+ "']"
+ "/secret/text()";
String secret = (String) xPath.evaluate(query, inputXml, XPathConstants.STRING);
}
break;
default:
/* INCIDENTAL: CWE 561 Dead Code, the code below will never run */
IO.writeLine("Benign, fixed string");
break;
}
}
public void bad(HttpServletRequest request, HttpServletResponse response) throws Throwable {
String data;
if (PRIVATE_STATIC_FINAL_TRUE) {
/* POTENTIAL FLAW: Read data from a querystring using getParameter */
data = request.getParameter("name");
} 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;
}
if (PRIVATE_STATIC_FINAL_TRUE) {
String xmlFile = null;
if (System.getProperty("os.name").toLowerCase().indexOf("win") >= 0) {
/* running on Windows */
xmlFile = "\\src\\testcases\\CWE643_Xpath Injection\\CWE643_Xpath_Injection__Helper.xml";
} else {
/* running on non-Windows */
xmlFile = "./src/testcases/CWE643_Xpath Injection/CWE643_Xpath_Injection__Helper.xml";
}
if (data != null) {
/* assume username||password as source */
String[] tokens = data.split("||");
if (tokens.length < 2) {
return;
}
String username = tokens[0];
String password = tokens[1];
/* build xpath */
XPath xPath = XPathFactory.newInstance().newXPath();
InputSource inputXml = new InputSource(xmlFile);
/* INCIDENTAL: CWE180 Incorrect Behavior Order: Validate Before Canonicalize
* The user input should be canonicalized before validation. */
/* POTENTIAL FLAW: user input is used without validate */
String query =
"//users/user[name/text()='"
+ username
+ "' and pass/text()='"
+ password
+ "']"
+ "/secret/text()";
String secret = (String) xPath.evaluate(query, inputXml, XPathConstants.STRING);
}
}
}
/**
* TDTEngine - constructor for a new Tag Data Translation engine
*
* @param confdir the string value of the path to a configuration directory consisting of two
* subdirectories, <code>schemes</code> and <code>auxiliary</code>.
* <p>When the class TDTEngine is constructed, the path to a local directory must be
* specified, by passing it as a single string parameter to the constructor method (without
* any trailing slash or file separator). e.g. <code>
* <pre>TDTEngine engine = new TDTEngine("/opt/TDT");</pre></code>
* <p>The specified directory must contain two subdirectories named auxiliary and schemes. The
* Tag Data Translation definition files for the various coding schemes should be located
* inside the subdirectory called <code>schemes</code>. Any auxiliary lookup files (such as
* <code>ManagerTranslation.xml</code>) should be located inside the subdirectory called
* <code>auxiliary</code>.
* <p>Files within the schemes directory ending in <code>.xml</code> are read in and
* unmarshalled using <a href = "http://www.castor.org">Castor</a>.
*/
public TDTEngine(String confdir)
throws FileNotFoundException, MarshalException, ValidationException, TDTException {
xmldir = confdir;
long t = System.currentTimeMillis();
File[] dir =
new java.io.File(confdir + File.separator + "schemes").listFiles(new XMLFilenameFilter());
// java.util.Arrays.sort(dir); // Sort it
if (dir == null) throw new TDTException("Cannot find schemes in " + confdir);
Unmarshaller unmar = new Unmarshaller();
for (File f : dir) {
EpcTagDataTranslation tdt =
(EpcTagDataTranslation) unmar.unmarshal(EpcTagDataTranslation.class, new FileReader(f));
initFromTDT(tdt);
}
// need to populate the hashmap gs1cpi from the ManagerTranslation.xml table in auxiliary.
// Unmarshaller unmar = new Unmarshaller();
GEPC64Table cpilookup =
(GEPC64Table)
unmar.unmarshal(
GEPC64Table.class,
new FileReader(
confdir
+ File.separator
+ "auxiliary"
+ File.separator
+ "ManagerTranslation.xml"));
for (Enumeration e = cpilookup.enumerateEntry(); e.hasMoreElements(); ) {
Entry entry = (Entry) e.nextElement();
String comp = entry.getCompanyPrefix();
String indx = Integer.toString(entry.getIndex());
gs1cpi.put(indx, comp);
gs1cpi.put(comp, indx);
}
// System.out.println("Loaded schemas in " +
// (System.currentTimeMillis() - t)
// + " millisecs");
}
public void bad() throws Throwable {
String data;
if (IO.staticFive == 5) {
data = ""; /* Initialize data */
{
File file = new File("C:\\data.txt");
FileInputStream streamFileInput = null;
InputStreamReader readerInputStream = null;
BufferedReader readerBuffered = null;
try {
/* read string from file into data */
streamFileInput = new FileInputStream(file);
readerInputStream = new InputStreamReader(streamFileInput, "UTF-8");
readerBuffered = new BufferedReader(readerInputStream);
/* POTENTIAL FLAW: Read data from a file */
/* This will be reading the first "line" of the file, which
* could be very long if there are little or no newlines in the file */
data = readerBuffered.readLine();
} catch (IOException exceptIO) {
IO.logger.log(Level.WARNING, "Error with stream reading", exceptIO);
} finally {
/* Close stream reading objects */
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);
}
try {
if (streamFileInput != null) {
streamFileInput.close();
}
} catch (IOException exceptIO) {
IO.logger.log(Level.WARNING, "Error closing FileInputStream", exceptIO);
}
}
}
} 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;
}
if (IO.staticFive == 5) {
String xmlFile = null;
if (System.getProperty("os.name").toLowerCase().indexOf("win") >= 0) {
/* running on Windows */
xmlFile = "\\src\\testcases\\CWE643_Xpath Injection\\CWE643_Xpath_Injection__Helper.xml";
} else {
/* running on non-Windows */
xmlFile = "./src/testcases/CWE643_Xpath Injection/CWE643_Xpath_Injection__Helper.xml";
}
if (data != null) {
/* assume username||password as source */
String[] tokens = data.split("||");
if (tokens.length < 2) {
return;
}
String username = tokens[0];
String password = tokens[1];
/* build xpath */
XPath xPath = XPathFactory.newInstance().newXPath();
InputSource inputXml = new InputSource(xmlFile);
/* INCIDENTAL: CWE180 Incorrect Behavior Order: Validate Before Canonicalize
* The user input should be canonicalized before validation. */
/* POTENTIAL FLAW: user input is used without validate */
String query =
"//users/user[name/text()='"
+ username
+ "' and pass/text()='"
+ password
+ "']"
+ "/secret/text()";
String secret = (String) xPath.evaluate(query, inputXml, XPathConstants.STRING);
}
}
}
public void bad() throws Throwable {
String data;
switch (6) {
case 6:
data = ""; /* Initialize data */
/* Read data from a database */
{
Connection connection = null;
PreparedStatement preparedStatement = null;
ResultSet resultSet = null;
try {
/* setup the connection */
connection = IO.getDBConnection();
/* prepare and execute a (hardcoded) query */
preparedStatement = connection.prepareStatement("select name from users where id=0");
resultSet = preparedStatement.executeQuery();
/* POTENTIAL FLAW: Read data from a database query resultset */
data = resultSet.getString(1);
} catch (SQLException exceptSql) {
IO.logger.log(Level.WARNING, "Error with SQL statement", exceptSql);
} finally {
/* Close database objects */
try {
if (resultSet != null) {
resultSet.close();
}
} catch (SQLException exceptSql) {
IO.logger.log(Level.WARNING, "Error closing ResultSet", exceptSql);
}
try {
if (preparedStatement != null) {
preparedStatement.close();
}
} catch (SQLException exceptSql) {
IO.logger.log(Level.WARNING, "Error closing PreparedStatement", exceptSql);
}
try {
if (connection != null) {
connection.close();
}
} catch (SQLException exceptSql) {
IO.logger.log(Level.WARNING, "Error closing Connection", exceptSql);
}
}
}
break;
default:
/* 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;
break;
}
switch (7) {
case 7:
String xmlFile = null;
if (System.getProperty("os.name").toLowerCase().indexOf("win") >= 0) {
/* running on Windows */
xmlFile = "\\src\\testcases\\CWE643_Xpath Injection\\CWE643_Xpath_Injection__Helper.xml";
} else {
/* running on non-Windows */
xmlFile = "./src/testcases/CWE643_Xpath Injection/CWE643_Xpath_Injection__Helper.xml";
}
if (data != null) {
/* assume username||password as source */
String[] tokens = data.split("||");
if (tokens.length < 2) {
return;
}
String username = tokens[0];
String password = tokens[1];
/* build xpath */
XPath xPath = XPathFactory.newInstance().newXPath();
InputSource inputXml = new InputSource(xmlFile);
/* INCIDENTAL: CWE180 Incorrect Behavior Order: Validate Before Canonicalize
* The user input should be canonicalized before validation. */
/* POTENTIAL FLAW: user input is used without validate */
String query =
"//users/user[name/text()='"
+ username
+ "' and pass/text()='"
+ password
+ "']"
+ "/secret/text()";
String secret = (String) xPath.evaluate(query, inputXml, XPathConstants.STRING);
}
break;
default:
/* INCIDENTAL: CWE 561 Dead Code, the code below will never run */
IO.writeLine("Benign, fixed string");
break;
}
}
public void bad() throws Throwable {
String data;
/* INCIDENTAL: CWE 571 Statement is Always True */
if (private_returns_t()) {
Logger log_bad = Logger.getLogger("local-logger");
/* get environment variable ADD */
data = System.getenv("ADD");
} else {
/* INCIDENTAL: CWE 561 Dead Code, the code below will never run */
java.util.logging.Logger log_good = java.util.logging.Logger.getLogger("local-logger");
/* FIX: Use a hardcoded string */
data = "foo";
}
/* INCIDENTAL: CWE 571 Statement is Always True */
if (private_returns_t()) {
final String xmldoc =
"\\src\\testcases\\CWE643_Unsafe_Treatment_of_XPath_Input\\console_to_evaluate\\CWE643_Unsafe_Treatment_of_XPath_Input__helper.xml";
/* assume username||password as source */
String[] tokens = data.split("||");
if (tokens.length < 2) {
return;
}
String uname = tokens[0];
String pword = tokens[1];
/* build xpath */
XPath xp = XPathFactory.newInstance().newXPath();
InputSource inxml = new InputSource(xmldoc);
/* INCIDENTAL: CWE180 Incorrect Behavior Order: Validate Before Canonicalize
* The user input should be canonicalized before validation.
*/
/* FLAW: user input is used without validate */
String query =
"//users/user[name/text()='"
+ uname
+ "' and pass/text()='"
+ pword
+ "']"
+ "/secret/text()";
String secret = (String) xp.evaluate(query, inxml, XPathConstants.STRING);
} else {
/* INCIDENTAL: CWE 561 Dead Code, the code below will never run */
final String xmldoc =
"\\src\\testcases\\CWE643_Unsafe_Treatment_of_XPath_Input\\console_to_evaluate\\CWE643_Unsafe_Treatment_of_XPath_Input__helper.xml";
/* assume username||password as source */
String[] tokens = data.split("||");
if (tokens.length < 2) {
return;
}
/* FIX: validate input using StringEscapeUtils */
String uname = StringEscapeUtils.escapeXml(tokens[0]);
String pword = StringEscapeUtils.escapeXml(tokens[1]);
/* build xpath */
XPath xp = XPathFactory.newInstance().newXPath();
InputSource inxml = new InputSource(xmldoc);
String query =
"//users/user[name/text()='"
+ uname
+ "' and pass/text()='"
+ pword
+ "']"
+ "/secret/text()";
String secret = (String) xp.evaluate(query, inxml, XPathConstants.STRING);
}
}
