text: /* TEMPLATE GENERATED TESTCASE FILE
  Filename: CWE78_OS_Command_Injection__char_fromFile_w32spawnv_32.c
  Label Definition File: CWE78_OS_Command_Injection.no_path.label.xml
  Template File: sources-sink-32.tmpl.c
  */
  /*
   * @description
   * CWE: 78 OS Command Injection
   * BadSource: fromFile Read input from a file
   * GoodSource: Benign input
   * Sink: w32spawnv
   *    BadSink : execute command with spawnv
   * Flow Variant: 32 Data flow using two pointers to the same value within the same function
   *
   * */
  
  #include "std_testcase.h"
  
  #include <wchar.h>
  
  #ifdef _WIN32
  # define COMMAND_INT_PATH "%WINDIR%\\system32\\cmd.exe"
  # define COMMAND_INT "cmd.exe"
  # define COMMAND_ARG1 "/c"
  # define COMMAND_ARG2 "dir"
  # define COMMAND_ARG3 data
  #else /* NOT _WIN32 */
  # define COMMAND_INT_PATH "/bin/sh"
  # define COMMAND_INT "sh"
  # define COMMAND_ARG1 "ls"
  # define COMMAND_ARG2 data
  # define COMMAND_ARG3 NULL
  #endif
  
  #ifdef _WIN32
  # define FOPEN fopen
  #else
  /* fopen is used on unix-based OSs */
  # define FOPEN fopen
  #endif
  
  #include <process.h>
  
  #ifndef OMITBAD
  
  void CWE78_OS_Command_Injection__char_fromFile_w32spawnv_32_bad()
  {
      char * data;
      char * *data_ptr1 = &data;
      char * *data_ptr2 = &data;
      char data_buf[100] = "";
      data = data_buf;
      {
          char * data = *data_ptr1;
          {
              /* Read input from a file */
              size_t data_len = strlen(data);
              FILE * pFile;
              /* if there is room in data, attempt to read the input from a file */
              if(100-data_len > 1)
              {
                  pFile = FOPEN("C:\\temp\\file.txt", "r");
                  if (pFile != NULL)
                  {
                      fgets(data+data_len, (int)(100-data_len), pFile);
                      fclose(pFile);
                  }
              }
          }
          *data_ptr1 = data;
      }
      {
          char * data = *data_ptr2;
          {
              char *args[] = {COMMAND_INT_PATH, COMMAND_ARG1, COMMAND_ARG2, COMMAND_ARG3, NULL};
              /* spawnv - specify the path where the command is located */
              /* POSSIBLE FLAW: Execute command without validating input possibly leading to command injection */
              _spawnv(_P_WAIT, COMMAND_INT_PATH, args);
          }
      }
  }
  
  #endif /* OMITBAD */
  
  #ifndef OMITGOOD
  
  /* goodG2B() uses the GoodSource with the BadSink */
  static void goodG2B()
  {
      char * data;
      char * *data_ptr1 = &data;
      char * *data_ptr2 = &data;
      char data_buf[100] = "";
      data = data_buf;
      {
          char * data = *data_ptr1;
          /* FIX: Benign input preventing command injection */
          strcat(data, "*.*");
          *data_ptr1 = data;
      }
      {
          char * data = *data_ptr2;
          {
              char *args[] = {COMMAND_INT_PATH, COMMAND_ARG1, COMMAND_ARG2, COMMAND_ARG3, NULL};
              /* spawnv - specify the path where the command is located */
              /* POSSIBLE FLAW: Execute command without validating input possibly leading to command injection */
              _spawnv(_P_WAIT, COMMAND_INT_PATH, args);
          }
      }
  }
  
  void CWE78_OS_Command_Injection__char_fromFile_w32spawnv_32_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__char_fromFile_w32spawnv_32_good();
      printLine("Finished good()");
  #endif /* OMITGOOD */
  #ifndef OMITBAD
      printLine("Calling bad()...");
      CWE78_OS_Command_Injection__char_fromFile_w32spawnv_32_bad();
      printLine("Finished bad()");
  #endif /* OMITBAD */
      return 0;
  }
  
  #endif
  