text: /* TEMPLATE GENERATED TESTCASE FILE
  Filename: CWE114_Process_Control__w32_wchar_t_file_14.c
  Label Definition File: CWE114_Process_Control__w32.label.xml
  Template File: sources-sink-14.tmpl.c
  */
  /*
   * @description
   * CWE: 114 Process Control
   * BadSource: file Read input from a file
   * GoodSource: Hard code the full pathname to the library
   * Sink:
   *    BadSink : Load a dynamic link library
   * Flow Variant: 14 Control flow: if(globalFive==5) and if(globalFive!=5)
   *
   * */
  
  #include "std_testcase.h"
  
  #include <wchar.h>
  
  #ifdef _WIN32
  #define FILENAME "C:\\temp\\file.txt"
  #else
  #define FILENAME "/tmp/file.txt"
  #endif
  
  #include <windows.h>
  
  #ifndef OMITBAD
  
  void CWE114_Process_Control__w32_wchar_t_file_14_bad()
  {
      wchar_t * data;
      wchar_t dataBuffer[100] = L"";
      data = dataBuffer;
      if(globalFive==5)
      {
          {
              /* Read input from a file */
              size_t dataLen = wcslen(data);
              FILE * pFile;
              /* if there is room in data, attempt to read the input from a file */
              if (100-dataLen > 1)
              {
                  pFile = fopen(FILENAME, "r");
                  if (pFile != NULL)
                  {
                      /* POTENTIAL FLAW: Read data from a file */
                      if (fgetws(data+dataLen, (int)(100-dataLen), pFile) == NULL)
                      {
                          printLine("fgetws() failed");
                          /* Restore NUL terminator if fgetws fails */
                          data[dataLen] = L'\0';
                      }
                      fclose(pFile);
                  }
              }
          }
      }
      {
          HMODULE hModule;
          /* POTENTIAL FLAW: If the path to the library is not specified, an attacker may be able to
           * replace his own file with the intended library */
          hModule = LoadLibraryW(data);
          if (hModule != NULL)
          {
              FreeLibrary(hModule);
              printLine("Library loaded and freed successfully");
          }
          else
          {
              printLine("Unable to load library");
          }
      }
  }
  
  #endif /* OMITBAD */
  
  #ifndef OMITGOOD
  
  /* goodG2B1() - use goodsource and badsink by changing the globalFive==5 to globalFive!=5 */
  static void goodG2B1()
  {
      wchar_t * data;
      wchar_t dataBuffer[100] = L"";
      data = dataBuffer;
      if(globalFive!=5)
      {
          /* INCIDENTAL: CWE 561 Dead Code, the code below will never run */
          printLine("Benign, fixed string");
      }
      else
      {
          /* FIX: Specify the full pathname for the library */
          wcscpy(data, L"C:\\Windows\\System32\\winsrv.dll");
      }
      {
          HMODULE hModule;
          /* POTENTIAL FLAW: If the path to the library is not specified, an attacker may be able to
           * replace his own file with the intended library */
          hModule = LoadLibraryW(data);
          if (hModule != NULL)
          {
              FreeLibrary(hModule);
              printLine("Library loaded and freed successfully");
          }
          else
          {
              printLine("Unable to load library");
          }
      }
  }
  
  /* goodG2B2() - use goodsource and badsink by reversing the blocks in the if statement */
  static void goodG2B2()
  {
      wchar_t * data;
      wchar_t dataBuffer[100] = L"";
      data = dataBuffer;
      if(globalFive==5)
      {
          /* FIX: Specify the full pathname for the library */
          wcscpy(data, L"C:\\Windows\\System32\\winsrv.dll");
      }
      {
          HMODULE hModule;
          /* POTENTIAL FLAW: If the path to the library is not specified, an attacker may be able to
           * replace his own file with the intended library */
          hModule = LoadLibraryW(data);
          if (hModule != NULL)
          {
              FreeLibrary(hModule);
              printLine("Library loaded and freed successfully");
          }
          else
          {
              printLine("Unable to load library");
          }
      }
  }
  
  void CWE114_Process_Control__w32_wchar_t_file_14_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()...");
      CWE114_Process_Control__w32_wchar_t_file_14_good();
      printLine("Finished good()");
  #endif /* OMITGOOD */
  #ifndef OMITBAD
      printLine("Calling bad()...");
      CWE114_Process_Control__w32_wchar_t_file_14_bad();
      printLine("Finished bad()");
  #endif /* OMITBAD */
      return 0;
  }
  
  #endif
  