text: /* TEMPLATE GENERATED TESTCASE FILE
  Filename: CWE78_OS_Command_Injection__char_Environment_execlp_65a.c
  Label Definition File: CWE78_OS_Command_Injection.no_path.label.xml
  Template File: sources-sink-65a.tmpl.c
  */
  /*
   * @description
   * CWE: 78 OS Command Injection
   * BadSource: Environment Read input from an environment variable
   * GoodSource: Benign input
   * Sinks: execlp
   *    BadSink : execute command with execlp
   * Flow Variant: 65 Data/control flow: data passed as an argument from one function to a function in a different source file called via a function pointer
   *
   * */
  
  #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
  
  #define ENV_VARIABLE "ADD"
  
  #ifdef _WIN32
  # define GETENV getenv
  #else
  # define GETENV getenv
  #endif
  
  #ifdef _WIN32
  #include <process.h>
  # define EXECLP _execlp
  #else /* NOT _WIN32 */
  # define EXECLP execlp
  #endif
  
  #ifndef OMITBAD
  
  /* bad function declaration */
  void CWE78_OS_Command_Injection__char_Environment_execlp_65b_bad_sink(char * data);
  
  void CWE78_OS_Command_Injection__char_Environment_execlp_65_bad()
  {
      char * data;
      /* define a function pointer */
      void (*func_ptr) (char *) = CWE78_OS_Command_Injection__char_Environment_execlp_65b_bad_sink;
      char data_buf[100] = "";
      data = data_buf;
      {
          /* Read input from an environment variable */
          size_t data_len = strlen(data);
          char * environment = GETENV(ENV_VARIABLE);
          /* If there is data in the environment variable */
          if (environment != NULL)
          {
              strncat(data+data_len, environment, 100-data_len-1);
          }
      }
      /* use the function pointer */
      func_ptr(data);
  }
  
  #endif /* OMITBAD */
  
  #ifndef OMITGOOD
  
  /* goodG2B uses the GoodSource with the BadSink */
  void CWE78_OS_Command_Injection__char_Environment_execlp_65b_goodG2B_sink(char * data);
  
  static void goodG2B()
  {
      char * data;
      void (*func_ptr) (char *) = CWE78_OS_Command_Injection__char_Environment_execlp_65b_goodG2B_sink;
      char data_buf[100] = "";
      data = data_buf;
      /* FIX: Benign input preventing command injection */
      strcat(data, "*.*");
      func_ptr(data);
  }
  
  void CWE78_OS_Command_Injection__char_Environment_execlp_65_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_Environment_execlp_65_good();
      printLine("Finished good()");
  #endif /* OMITGOOD */
  #ifndef OMITBAD
      printLine("Calling bad()...");
      CWE78_OS_Command_Injection__char_Environment_execlp_65_bad();
      printLine("Finished bad()");
  #endif /* OMITBAD */
      return 0;
  }
  
  #endif
  