text: /* TEMPLATE GENERATED TESTCASE FILE
  Filename: CWE78_OS_Command_Injection__wchar_t_fromConsole_w32spawnvp_52a.c
  Label Definition File: CWE78_OS_Command_Injection.no_path.label.xml
  Template File: sources-sink-52a.tmpl.c
  */
  /*
   * @description
   * CWE: 78 OS Command Injection
   * BadSource: fromConsole Read input from the console
   * GoodSource: Benign input
   * Sink: w32spawnvp
   *    BadSink : execute command with wspawnvp
   * Flow Variant: 52 Data flow: data passed as an argument from one function to another to another in three different source files
   *
   * */
  
  #include "std_testcase.h"
  
  #include <wchar.h>
  
  #ifdef _WIN32
  # define COMMAND_INT_PATH L"%WINDIR%\\system32\\cmd.exe"
  # define COMMAND_INT L"cmd.exe"
  # define COMMAND_ARG1 L"/c"
  # define COMMAND_ARG2 L"dir"
  # define COMMAND_ARG3 data
  #else /* NOT _WIN32 */
  # define COMMAND_INT_PATH L"/bin/sh"
  # define COMMAND_INT L"sh"
  # define COMMAND_ARG1 L"ls"
  # define COMMAND_ARG2 data
  # define COMMAND_ARG3 NULL
  #endif
  
  #include <process.h>
  
  #ifndef OMITBAD
  
  /* bad function declaration */
  void CWE78_OS_Command_Injection__wchar_t_fromConsole_w32spawnvp_52b_bad_sink(wchar_t * data);
  
  void CWE78_OS_Command_Injection__wchar_t_fromConsole_w32spawnvp_52_bad()
  {
      wchar_t * data;
      wchar_t data_buf[100] = L"";
      data = data_buf;
      {
          /* 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';
              }
          }
      }
      CWE78_OS_Command_Injection__wchar_t_fromConsole_w32spawnvp_52b_bad_sink(data);
  }
  
  #endif /* OMITBAD */
  
  #ifndef OMITGOOD
  
  /* good function declaration */
  void CWE78_OS_Command_Injection__wchar_t_fromConsole_w32spawnvp_52b_goodG2B_sink(wchar_t * data);
  
  /* goodG2B uses the GoodSource with the BadSink */
  static void goodG2B()
  {
      wchar_t * data;
      wchar_t data_buf[100] = L"";
      data = data_buf;
      /* FIX: Benign input preventing command injection */
      wcscat(data, L"*.*");
      CWE78_OS_Command_Injection__wchar_t_fromConsole_w32spawnvp_52b_goodG2B_sink(data);
  }
  
  void CWE78_OS_Command_Injection__wchar_t_fromConsole_w32spawnvp_52_good()
  {
      goodG2B();
  }
  
  #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()...");
      CWE78_OS_Command_Injection__wchar_t_fromConsole_w32spawnvp_52_good();
      printLine("Finished good()");
  #endif /* OMITGOOD */
  #ifndef OMITBAD
      printLine("Calling bad()...");
      CWE78_OS_Command_Injection__wchar_t_fromConsole_w32spawnvp_52_bad();
      printLine("Finished bad()");
  #endif /* OMITBAD */
      return 0;
  }
  
  #endif
  