text: /* TEMPLATE GENERATED TESTCASE FILE
  Filename: CWE78_OS_Command_Injection__wchar_t_environment_w32_execvp_61b.c
  Label Definition File: CWE78_OS_Command_Injection.strings.label.xml
  Template File: sources-sink-61b.tmpl.c
  */
  /*
   * @description
   * CWE: 78 OS Command Injection
   * BadSource: environment Read input from an environment variable
   * GoodSource: Fixed string
   * Sinks: w32_execvp
   *    BadSink : execute command with wexecvp
   * Flow Variant: 61 Data flow: data returned from one function to another in 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 */
  #include <unistd.h>
  #define COMMAND_INT_PATH L"/bin/sh"
  #define COMMAND_INT L"sh"
  #define COMMAND_ARG1 L"-c"
  #define COMMAND_ARG2 L"ls "
  #define COMMAND_ARG3 data
  #endif
  
  #define ENV_VARIABLE L"ADD"
  
  #ifdef _WIN32
  #define GETENV _wgetenv
  #else
  #define GETENV getenv
  #endif
  
  #include <process.h>
  #define EXECVP _wexecvp
  
  #ifndef OMITBAD
  
  wchar_t * CWE78_OS_Command_Injection__wchar_t_environment_w32_execvp_61b_badSource(wchar_t * data)
  {
      {
          /* Append input from an environment variable to data */
          size_t dataLen = wcslen(data);
          wchar_t * environment = GETENV(ENV_VARIABLE);
          /* If there is data in the environment variable */
          if (environment != NULL)
          {
              /* POTENTIAL FLAW: Read data from an environment variable */
              wcsncat(data+dataLen, environment, 100-dataLen-1);
          }
      }
      return data;
  }
  
  #endif /* OMITBAD */
  
  #ifndef OMITGOOD
  
  /* goodG2B() uses the GoodSource with the BadSink */
  wchar_t * CWE78_OS_Command_Injection__wchar_t_environment_w32_execvp_61b_goodG2BSource(wchar_t * data)
  {
      /* FIX: Append a fixed string to data (not user / external input) */
      wcscat(data, L"*.*");
      return data;
  }
  
  #endif /* OMITGOOD */
  