text: /* TEMPLATE GENERATED TESTCASE FILE
  Filename: CWE121_Stack_Based_Buffer_Overflow__CWE805_int_declare_loop_06.c
  Label Definition File: CWE121_Stack_Based_Buffer_Overflow__CWE805.label.xml
  Template File: sources-sink-06.tmpl.c
  */
  /*
   * @description
   * CWE: 121 Stack Based Buffer Overflow
   * BadSource:  Set data pointer to the bad buffer
   * GoodSource: Set data pointer to the good buffer
   * Sink: loop
   *    BadSink : Copy int array to data using a loop
   * Flow Variant: 06 Control flow: if(STATIC_CONST_FIVE==5) and if(STATIC_CONST_FIVE!=5)
   *
   * */
  
  #include "std_testcase.h"
  
  /* The variable below is declared "const", so a tool should be able
   * to identify that reads of this will always give its initialized value. */
  static const int STATIC_CONST_FIVE = 5;
  
  #ifndef OMITBAD
  
  void CWE121_Stack_Based_Buffer_Overflow__CWE805_int_declare_loop_06_bad()
  {
      int * data;
      int dataBadBuffer[50];
      int dataGoodBuffer[100];
      if(STATIC_CONST_FIVE==5)
      {
          /* FLAW: Set a pointer to a "small" buffer. This buffer will be used in the sinks as a destination
           * buffer in various memory copying functions using a "large" source buffer. */
          data = dataBadBuffer;
      }
      {
          int source[100] = {0}; /* fill with 0's */
          {
              size_t i;
              /* POTENTIAL FLAW: Possible buffer overflow if data < 100 */
              for (i = 0; i < 100; i++)
              {
                  data[i] = source[i];
              }
              printIntLine(data[0]);
          }
      }
  }
  
  #endif /* OMITBAD */
  
  #ifndef OMITGOOD
  
  /* goodG2B1() - use goodsource and badsink by changing the STATIC_CONST_FIVE==5 to STATIC_CONST_FIVE!=5 */
  static void goodG2B1()
  {
      int * data;
      int dataBadBuffer[50];
      int dataGoodBuffer[100];
      if(STATIC_CONST_FIVE!=5)
      {
          /* INCIDENTAL: CWE 561 Dead Code, the code below will never run */
          printLine("Benign, fixed string");
      }
      else
      {
          /* FIX: Set a pointer to a "large" buffer, thus avoiding buffer overflows in the sinks. */
          data = dataGoodBuffer;
      }
      {
          int source[100] = {0}; /* fill with 0's */
          {
              size_t i;
              /* POTENTIAL FLAW: Possible buffer overflow if data < 100 */
              for (i = 0; i < 100; i++)
              {
                  data[i] = source[i];
              }
              printIntLine(data[0]);
          }
      }
  }
  
  /* goodG2B2() - use goodsource and badsink by reversing the blocks in the if statement */
  static void goodG2B2()
  {
      int * data;
      int dataBadBuffer[50];
      int dataGoodBuffer[100];
      if(STATIC_CONST_FIVE==5)
      {
          /* FIX: Set a pointer to a "large" buffer, thus avoiding buffer overflows in the sinks. */
          data = dataGoodBuffer;
      }
      {
          int source[100] = {0}; /* fill with 0's */
          {
              size_t i;
              /* POTENTIAL FLAW: Possible buffer overflow if data < 100 */
              for (i = 0; i < 100; i++)
              {
                  data[i] = source[i];
              }
              printIntLine(data[0]);
          }
      }
  }
  
  void CWE121_Stack_Based_Buffer_Overflow__CWE805_int_declare_loop_06_good()
  {
      goodG2B1();
      goodG2B2();
  }
  
  #endif /* OMITGOOD */
  
  /* 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
  
  int main(int argc, char * argv[])
  {
      /* seed randomness */
      srand( (unsigned)time(NULL) );
  #ifndef OMITGOOD
      printLine("Calling good()...");
      CWE121_Stack_Based_Buffer_Overflow__CWE805_int_declare_loop_06_good();
      printLine("Finished good()");
  #endif /* OMITGOOD */
  #ifndef OMITBAD
      printLine("Calling bad()...");
      CWE121_Stack_Based_Buffer_Overflow__CWE805_int_declare_loop_06_bad();
      printLine("Finished bad()");
  #endif /* OMITBAD */
      return 0;
  }
  
  #endif
  