text: /* TEMPLATE GENERATED TESTCASE FILE
  Filename: CWE23_Relative_Path_Traversal__char_environment_ofstream_68a.cpp
  Label Definition File: CWE23_Relative_Path_Traversal.label.xml
  Template File: sources-sink-68a.tmpl.cpp
  */
  /*
   * @description
   * CWE: 23 Relative Path Traversal
   * BadSource: environment Read input from an environment variable
   * GoodSource: Use a fixed file name
   * Sink: ofstream
   *    BadSink : Open the file named in data using ofstream::open()
   * Flow Variant: 68 Data flow: data passed as a global variable from one function to another in different source files
   *
   * */
  
  #include "std_testcase.h"
  
  #ifdef _WIN32
  #define BASEPATH "c:\\temp\\"
  #else
  #include <wchar.h>
  #define BASEPATH "/tmp/"
  #endif
  
  #define ENV_VARIABLE "ADD"
  
  #ifdef _WIN32
  #define GETENV getenv
  #else
  #define GETENV getenv
  #endif
  
  #include <fstream>
  using namespace std;
  
  char * CWE23_Relative_Path_Traversal__char_environment_ofstream_68_badData;
  char * CWE23_Relative_Path_Traversal__char_environment_ofstream_68_goodG2BData;
  
  namespace CWE23_Relative_Path_Traversal__char_environment_ofstream_68
  {
  
  #ifndef OMITBAD
  
  /* bad function declaration */
  void badSink();
  
  void bad()
  {
      char * data;
      char dataBuffer[FILENAME_MAX] = BASEPATH;
      data = dataBuffer;
      {
          /* Append input from an environment variable to data */
          size_t dataLen = strlen(data);
          char * environment = GETENV(ENV_VARIABLE);
          /* If there is data in the environment variable */
          if (environment != NULL)
          {
              /* POTENTIAL FLAW: Read data from an environment variable */
              strncat(data+dataLen, environment, FILENAME_MAX-dataLen-1);
          }
      }
      CWE23_Relative_Path_Traversal__char_environment_ofstream_68_badData = data;
      badSink();
  }
  
  #endif /* OMITBAD */
  
  #ifndef OMITGOOD
  
  /* good function declarations */
  void goodG2BSink();
  
  /* goodG2B uses the GoodSource with the BadSink */
  static void goodG2B()
  {
      char * data;
      char dataBuffer[FILENAME_MAX] = BASEPATH;
      data = dataBuffer;
      /* FIX: Use a fixed file name */
      strcat(data, "file.txt");
      CWE23_Relative_Path_Traversal__char_environment_ofstream_68_goodG2BData = data;
      goodG2BSink();
  }
  
  void good()
  {
      goodG2B();
  }
  
  #endif /* OMITGOOD */
  
  } /* close namespace */
  
  /* 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. */
  
  #ifdef INCLUDEMAIN
  
  using namespace CWE23_Relative_Path_Traversal__char_environment_ofstream_68; /* so that we can use good and bad easily */
  
  int main(int argc, char * argv[])
  {
      /* seed randomness */
      srand( (unsigned)time(NULL) );
  #ifndef OMITGOOD
      printLine("Calling good()...");
      good();
      printLine("Finished good()");
  #endif /* OMITGOOD */
  #ifndef OMITBAD
      printLine("Calling bad()...");
      bad();
      printLine("Finished bad()");
  #endif /* OMITBAD */
      return 0;
  }
  
  #endif
  