text: /* TEMPLATE GENERATED TESTCASE FILE
  Filename: CWE122_Heap_Based_Buffer_Overflow__cpp_src_char_loop_14.cpp
  Label Definition File: CWE122_Heap_Based_Buffer_Overflow__cpp_src.label.xml
  Template File: sources-sink-14.tmpl.cpp
  */
  /*
   * @description
   * CWE: 122 Heap Based Buffer Overflow
   * BadSource:  Initialize data as a large string
   * GoodSource: Initialize data as a small string
   * Sink: loop
   *    BadSink : Copy data to string using a loop
   * Flow Variant: 14 Control flow: if(global_five==5) and if(global_five!=5)
   *
   * */
  
  #include "std_testcase.h"
  
  #include <wchar.h>
  
  namespace CWE122_Heap_Based_Buffer_Overflow__cpp_src_char_loop_14
  {
  
  #ifndef OMITBAD
  
  void bad()
  {
      char * data;
      data = new char[100];
      if(global_five==5)
      {
          /* FLAW: Initialize data as a large buffer that is larger than the small buffer used in the sink */
          memset(data, 'A', 100-1); /* fill with 'A's */
          data[100-1] = '\0'; /* null terminate */
      }
      else
      {
          /* INCIDENTAL: CWE 561 Dead Code, the code below will never run */
          /* FIX: Initialize data as a small buffer that as small or smaller than the small buffer used in the sink */
          memset(data, 'A', 50-1); /* fill with 'A's */
          data[50-1] = '\0'; /* null terminate */
      }
      {
          char dest[50] = "";
          size_t i, data_len;
          data_len = strlen(data);
          /* POTENTIAL FLAW: Possible buffer overflow if data is larger than dest */
          for (i = 0; i < data_len; i++)
          {
              dest[i] = data[i];
          }
          dest[50-1] = '\0'; /* Ensure the destination buffer is null terminated */
          printLine(data);
          delete [] data;
      }
  }
  
  #endif /* OMITBAD */
  
  #ifndef OMITGOOD
  
  /* goodG2B1() - use goodsource and badsink by changing the global_five==5 to global_five!=5 */
  static void goodG2B1()
  {
      char * data;
      data = new char[100];
      if(global_five!=5)
      {
          /* INCIDENTAL: CWE 561 Dead Code, the code below will never run */
          /* FLAW: Initialize data as a large buffer that is larger than the small buffer used in the sink */
          memset(data, 'A', 100-1); /* fill with 'A's */
          data[100-1] = '\0'; /* null terminate */
      }
      else
      {
          /* FIX: Initialize data as a small buffer that as small or smaller than the small buffer used in the sink */
          memset(data, 'A', 50-1); /* fill with 'A's */
          data[50-1] = '\0'; /* null terminate */
      }
      {
          char dest[50] = "";
          size_t i, data_len;
          data_len = strlen(data);
          /* POTENTIAL FLAW: Possible buffer overflow if data is larger than dest */
          for (i = 0; i < data_len; i++)
          {
              dest[i] = data[i];
          }
          dest[50-1] = '\0'; /* Ensure the destination buffer is null terminated */
          printLine(data);
          delete [] data;
      }
  }
  
  /* goodG2B2() - use goodsource and badsink by reversing the blocks in the if statement */
  static void goodG2B2()
  {
      char * data;
      data = new char[100];
      if(global_five==5)
      {
          /* FIX: Initialize data as a small buffer that as small or smaller than the small buffer used in the sink */
          memset(data, 'A', 50-1); /* fill with 'A's */
          data[50-1] = '\0'; /* null terminate */
      }
      else
      {
          /* INCIDENTAL: CWE 561 Dead Code, the code below will never run */
          /* FLAW: Initialize data as a large buffer that is larger than the small buffer used in the sink */
          memset(data, 'A', 100-1); /* fill with 'A's */
          data[100-1] = '\0'; /* null terminate */
      }
      {
          char dest[50] = "";
          size_t i, data_len;
          data_len = strlen(data);
          /* POTENTIAL FLAW: Possible buffer overflow if data is larger than dest */
          for (i = 0; i < data_len; i++)
          {
              dest[i] = data[i];
          }
          dest[50-1] = '\0'; /* Ensure the destination buffer is null terminated */
          printLine(data);
          delete [] data;
      }
  }
  
  void good()
  {
      goodG2B1();
      goodG2B2();
  }
  
  #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 CWE122_Heap_Based_Buffer_Overflow__cpp_src_char_loop_14; // 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
  