text: /* TEMPLATE GENERATED TESTCASE FILE
  Filename: CWE78_OS_Command_Injection__char_Environment_w32spawnl_14.c
  Label Definition File: CWE78_OS_Command_Injection.no_path.label.xml
  Template File: sources-sink-14.tmpl.c
  */
  /*
   * @description
   * CWE: 78 OS Command Injection
   * BadSource: Environment Read input from an environment variable
   * GoodSource: Benign input
   * Sink: w32spawnl
   *    BadSink : execute command with spawnl
   * Flow Variant: 14 Control flow: if(global_five==5) and if(global_five!=5)
   *
   * */
  
  #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
  
  #include <process.h>
  
  #ifndef OMITBAD
  
  void CWE78_OS_Command_Injection__char_Environment_w32spawnl_14_bad()
  {
      char * data;
      char data_buf[100] = "";
      data = data_buf;
      if(global_five==5)
      {
          {
              /* 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);
              }
          }
      }
      else
      {
          /* INCIDENTAL: CWE 561 Dead Code, the code below will never run */
          /* FIX: Benign input preventing command injection */
          strcat(data, "*.*");
      }
      /* spawnl - specify the path where the command is located */
      /* POSSIBLE FLAW: Execute command without validating input possibly leading to command injection */
      _spawnl(_P_WAIT, COMMAND_INT_PATH, COMMAND_INT_PATH, COMMAND_ARG1, COMMAND_ARG2, COMMAND_ARG3, NULL);
  }
  
  #endif /* OMITBAD */
  
  #ifndef OMITGOOD
  
  /* goodG2B1() - use goodsource and badsink by changing the global_five==5 to global_five!=5 */
  static void goodG2B1()
  {
      char * data;
      char data_buf[100] = "";
      data = data_buf;
      if(global_five!=5)
      {
          /* INCIDENTAL: CWE 561 Dead Code, the code below will never run */
          {
              /* 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);
              }
          }
      }
      else
      {
          /* FIX: Benign input preventing command injection */
          strcat(data, "*.*");
      }
      /* spawnl - specify the path where the command is located */
      /* POSSIBLE FLAW: Execute command without validating input possibly leading to command injection */
      _spawnl(_P_WAIT, COMMAND_INT_PATH, COMMAND_INT_PATH, COMMAND_ARG1, COMMAND_ARG2, COMMAND_ARG3, NULL);
  }
  
  /* goodG2B2() - use goodsource and badsink by reversing the blocks in the if statement */
  static void goodG2B2()
  {
      char * data;
      char data_buf[100] = "";
      data = data_buf;
      if(global_five==5)
      {
          /* FIX: Benign input preventing command injection */
          strcat(data, "*.*");
      }
      else
      {
          /* INCIDENTAL: CWE 561 Dead Code, the code below will never run */
          {
              /* 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);
              }
          }
      }
      /* spawnl - specify the path where the command is located */
      /* POSSIBLE FLAW: Execute command without validating input possibly leading to command injection */
      _spawnl(_P_WAIT, COMMAND_INT_PATH, COMMAND_INT_PATH, COMMAND_ARG1, COMMAND_ARG2, COMMAND_ARG3, NULL);
  }
  
  void CWE78_OS_Command_Injection__char_Environment_w32spawnl_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()...");
      CWE78_OS_Command_Injection__char_Environment_w32spawnl_14_good();
      printLine("Finished good()");
  #endif /* OMITGOOD */
  #ifndef OMITBAD
      printLine("Calling bad()...");
      CWE78_OS_Command_Injection__char_Environment_w32spawnl_14_bad();
      printLine("Finished bad()");
  #endif /* OMITBAD */
      return 0;
  }
  
  #endif
  