text: /* TEMPLATE GENERATED TESTCASE FILE
  Filename: CWE134_Uncontrolled_Format_String__wchar_t_fromConsole_vprintf_09.c
  Label Definition File: CWE134_Uncontrolled_Format_String.vasinks.label.xml
  Template File: sources-vasinks-09.tmpl.c
  */
  /*
   * @description
   * CWE: 134 Uncontrolled Format String
   * BadSource: fromConsole Read input from the console
   * GoodSource: Copy a fixed string into data
   * Sinks: vprintf
   *    GoodSink: vwprintf with a format string
   *    BadSink : vwprintf without a format string
   * Flow Variant: 09 Control flow: if(global_const_t) and if(global_const_f)
   *
   * */
  
  #include <stdarg.h>
  #include "std_testcase.h"
  
  #ifndef OMITBAD
  
  static void bad_vasinkb(wchar_t * data, ...)
  {
      {
          va_list args;
          va_start(args, data);
          /* POTENTIAL FLAW: Do not specify the format allowing a possible format string vulnerability */
          vwprintf(data, args);
          va_end(args);
      }
  }
  
  /* INCIDENTAL: CWE 561 Dead Code, the function below is never called */
  static void bad_vasinkg(wchar_t * data, ...)
  {
      {
          va_list args;
          va_start(args, data);
          /* FIX: Specify the format disallowing a format string vulnerability */
          vwprintf(L"%s", args);
          va_end(args);
      }
  }
  
  void CWE134_Uncontrolled_Format_String__wchar_t_fromConsole_vprintf_09_bad()
  {
      wchar_t * data;
      wchar_t data_buf[100] = L"";
      data = data_buf;
      if(global_const_t)
      {
          {
              /* Read input from the console */
              size_t data_len = wcslen(data);
              /* if there is room in data, read into it from the console */
              if(100-data_len > 1)
              {
                  fgetws(data+data_len, (int)(100-data_len), stdin);
                  /* The next 3 lines remove the carriage return from the string that is
                   * inserted by fgetws() */
                  data_len = wcslen(data);
                  if (data_len > 0)
                  {
                      data[data_len-1] = L'\0';
                  }
              }
          }
      }
      else
      {
          /* INCIDENTAL: CWE 561 Dead Code, the code below will never run */
          /* FIX: Use a fixed string that does not contain a format specifier */
          wcscpy(data, L"fixedstringtest");
      }
      if(global_const_t)
      {
          bad_vasinkb(data, data);
      }
      else
      {
          /* INCIDENTAL: CWE 561 Dead Code, the code below will never run */
          bad_vasinkg(data, data);
      }
  }
  
  #endif /* OMITBAD */
  
  #ifndef OMITGOOD
  
  /* INCIDENTAL: CWE 561 Dead Code, the function below is never called */
  static void goodB2G1_vasinkb(wchar_t * data, ...)
  {
      {
          va_list args;
          va_start(args, data);
          /* POTENTIAL FLAW: Do not specify the format allowing a possible format string vulnerability */
          vwprintf(data, args);
          va_end(args);
      }
  }
  
  static void goodB2G1_vasinkg(wchar_t * data, ...)
  {
      {
          va_list args;
          va_start(args, data);
          /* FIX: Specify the format disallowing a format string vulnerability */
          vwprintf(L"%s", args);
          va_end(args);
      }
  }
  
  /* goodB2G1() - use badsource and goodsink by changing the second global_const_t to global_const_f */
  static void goodB2G1()
  {
      wchar_t * data;
      wchar_t data_buf[100] = L"";
      data = data_buf;
      if(global_const_t)
      {
          {
              /* Read input from the console */
              size_t data_len = wcslen(data);
              /* if there is room in data, read into it from the console */
              if(100-data_len > 1)
              {
                  fgetws(data+data_len, (int)(100-data_len), stdin);
                  /* The next 3 lines remove the carriage return from the string that is
                   * inserted by fgetws() */
                  data_len = wcslen(data);
                  if (data_len > 0)
                  {
                      data[data_len-1] = L'\0';
                  }
              }
          }
      }
      else
      {
          /* INCIDENTAL: CWE 561 Dead Code, the code below will never run */
          /* FIX: Use a fixed string that does not contain a format specifier */
          wcscpy(data, L"fixedstringtest");
      }
      if(global_const_f)
      {
          /* INCIDENTAL: CWE 561 Dead Code, the code below will never run */
          goodB2G1_vasinkb(data, data);
      }
      else
      {
          goodB2G1_vasinkg(data, data);
      }
  }
  
  /* INCIDENTAL: CWE 561 Dead Code, the function below is never called */
  static void goodB2G2_vasinkb(wchar_t * data, ...)
  {
      {
          va_list args;
          va_start(args, data);
          /* POTENTIAL FLAW: Do not specify the format allowing a possible format string vulnerability */
          vwprintf(data, args);
          va_end(args);
      }
  }
  
  static void goodB2G2_vasinkg(wchar_t * data, ...)
  {
      {
          va_list args;
          va_start(args, data);
          /* FIX: Specify the format disallowing a format string vulnerability */
          vwprintf(L"%s", args);
          va_end(args);
      }
  }
  
  /* goodB2G2() - use badsource and goodsink by reversing the blocks in the second if */
  static void goodB2G2()
  {
      wchar_t * data;
      wchar_t data_buf[100] = L"";
      data = data_buf;
      if(global_const_t)
      {
          {
              /* Read input from the console */
              size_t data_len = wcslen(data);
              /* if there is room in data, read into it from the console */
              if(100-data_len > 1)
              {
                  fgetws(data+data_len, (int)(100-data_len), stdin);
                  /* The next 3 lines remove the carriage return from the string that is
                   * inserted by fgetws() */
                  data_len = wcslen(data);
                  if (data_len > 0)
                  {
                      data[data_len-1] = L'\0';
                  }
              }
          }
      }
      else
      {
          /* INCIDENTAL: CWE 561 Dead Code, the code below will never run */
          /* FIX: Use a fixed string that does not contain a format specifier */
          wcscpy(data, L"fixedstringtest");
      }
      if(global_const_t)
      {
          goodB2G2_vasinkg(data, data);
      }
      else
      {
          /* INCIDENTAL: CWE 561 Dead Code, the code below will never run */
          goodB2G2_vasinkb(data, data);
      }
  }
  
  /* INCIDENTAL: CWE 561 Dead Code, the function below is never called */
  static void goodG2B1_vasinkg(wchar_t * data, ...)
  {
      {
          va_list args;
          va_start(args, data);
          /* FIX: Specify the format disallowing a format string vulnerability */
          vwprintf(L"%s", args);
          va_end(args);
      }
  }
  
  static void goodG2B1_vasinkb(wchar_t * data, ...)
  {
      {
          va_list args;
          va_start(args, data);
          /* POTENTIAL FLAW: Do not specify the format allowing a possible format string vulnerability */
          vwprintf(data, args);
          va_end(args);
      }
  }
  
  /* goodG2B1() - use goodsource and badsink by changing the first global_const_t to global_const_f */
  static void goodG2B1()
  {
      wchar_t * data;
      wchar_t data_buf[100] = L"";
      data = data_buf;
      if(global_const_f)
      {
          /* INCIDENTAL: CWE 561 Dead Code, the code below will never run */
          {
              /* Read input from the console */
              size_t data_len = wcslen(data);
              /* if there is room in data, read into it from the console */
              if(100-data_len > 1)
              {
                  fgetws(data+data_len, (int)(100-data_len), stdin);
                  /* The next 3 lines remove the carriage return from the string that is
                   * inserted by fgetws() */
                  data_len = wcslen(data);
                  if (data_len > 0)
                  {
                      data[data_len-1] = L'\0';
                  }
              }
          }
      }
      else
      {
          /* FIX: Use a fixed string that does not contain a format specifier */
          wcscpy(data, L"fixedstringtest");
      }
      if(global_const_t)
      {
          goodG2B1_vasinkb(data, data);
      }
      else
      {
          /* INCIDENTAL: CWE 561 Dead Code, the code below will never run */
          goodG2B1_vasinkg(data, data);
      }
  }
  
  /* INCIDENTAL: CWE 561 Dead Code, the function below is never called */
  static void goodG2B2_vasinkg(wchar_t * data, ...)
  {
      {
          va_list args;
          va_start(args, data);
          /* FIX: Specify the format disallowing a format string vulnerability */
          vwprintf(L"%s", args);
          va_end(args);
      }
  }
  
  static void goodG2B2_vasinkb(wchar_t * data, ...)
  {
      {
          va_list args;
          va_start(args, data);
          /* POTENTIAL FLAW: Do not specify the format allowing a possible format string vulnerability */
          vwprintf(data, args);
          va_end(args);
      }
  }
  
  /* goodG2B2() - use goodsource and badsink by reversing the blocks in the first if */
  static void goodG2B2()
  {
      wchar_t * data;
      wchar_t data_buf[100] = L"";
      data = data_buf;
      if(global_const_t)
      {
          /* FIX: Use a fixed string that does not contain a format specifier */
          wcscpy(data, L"fixedstringtest");
      }
      else
      {
          /* INCIDENTAL: CWE 561 Dead Code, the code below will never run */
          {
              /* Read input from the console */
              size_t data_len = wcslen(data);
              /* if there is room in data, read into it from the console */
              if(100-data_len > 1)
              {
                  fgetws(data+data_len, (int)(100-data_len), stdin);
                  /* The next 3 lines remove the carriage return from the string that is
                   * inserted by fgetws() */
                  data_len = wcslen(data);
                  if (data_len > 0)
                  {
                      data[data_len-1] = L'\0';
                  }
              }
          }
      }
      if(global_const_t)
      {
          goodG2B2_vasinkb(data, data);
      }
      else
      {
          /* INCIDENTAL: CWE 561 Dead Code, the code below will never run */
          goodG2B2_vasinkg(data, data);
      }
  }
  
  void CWE134_Uncontrolled_Format_String__wchar_t_fromConsole_vprintf_09_good()
  {
      goodG2B1();
      goodG2B2();
      goodB2G1();
      goodB2G2();
  }
  
  #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()...");
      CWE134_Uncontrolled_Format_String__wchar_t_fromConsole_vprintf_09_good();
      printLine("Finished good()");
  #endif /* OMITGOOD */
  #ifndef OMITBAD
      printLine("Calling bad()...");
      CWE134_Uncontrolled_Format_String__wchar_t_fromConsole_vprintf_09_bad();
      printLine("Finished bad()");
  #endif /* OMITBAD */
      return 0;
  }
  
  #endif
  