text: /* TEMPLATE GENERATED TESTCASE FILE
  Filename: CWE78_OS_Command_Injection__char_environment_w32spawnl_67a.c
  Label Definition File: CWE78_OS_Command_Injection.strings.label.xml
  Template File: sources-sink-67a.tmpl.c
  */
  /*
   * @description
   * CWE: 78 OS Command Injection
   * BadSource: environment Read input from an environment variable
   * GoodSource: Fixed string
   * Sinks: w32spawnl
   *    BadSink : execute command with spawnl
   * Flow Variant: 67 Data flow: data passed in a struct from one function to another in different source files
   *
   * */
  
  #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 */
  #include <unistd.h>
  #define COMMAND_INT_PATH "/bin/sh"
  #define COMMAND_INT "sh"
  #define COMMAND_ARG1 "-c"
  #define COMMAND_ARG2 "ls "
  #define COMMAND_ARG3 data
  #endif
  
  #define ENV_VARIABLE "ADD"
  
  #ifdef _WIN32
  #define GETENV getenv
  #else
  #define GETENV getenv
  #endif
  
  #include <process.h>
  
  typedef struct _CWE78_OS_Command_Injection__char_environment_w32spawnl_67_structType
  {
      char * structFirst;
  } CWE78_OS_Command_Injection__char_environment_w32spawnl_67_structType;
  
  #ifndef OMITBAD
  
  /* bad function declaration */
  void CWE78_OS_Command_Injection__char_environment_w32spawnl_67b_badSink(CWE78_OS_Command_Injection__char_environment_w32spawnl_67_structType myStruct);
  
  void CWE78_OS_Command_Injection__char_environment_w32spawnl_67_bad()
  {
      char * data;
      CWE78_OS_Command_Injection__char_environment_w32spawnl_67_structType myStruct;
      char dataBuffer[100] = COMMAND_ARG2;
      data = dataBuffer;
      {
          /* Append input from an environment variable to data */
          size_t dataLen = strlen(data);
          char * environment = GETENV(ENV_VARIABLE);
          /* If there is data in the environment variable */
          if (environment != NULL)
          {
              /* POTENTIAL FLAW: Read data from an environment variable */
              strncat(data+dataLen, environment, 100-dataLen-1);
          }
      }
      myStruct.structFirst = data;
      CWE78_OS_Command_Injection__char_environment_w32spawnl_67b_badSink(myStruct);
  }
  
  #endif /* OMITBAD */
  
  #ifndef OMITGOOD
  
  /* goodG2B uses the GoodSource with the BadSink */
  void CWE78_OS_Command_Injection__char_environment_w32spawnl_67b_goodG2BSink(CWE78_OS_Command_Injection__char_environment_w32spawnl_67_structType myStruct);
  
  static void goodG2B()
  {
      char * data;
      CWE78_OS_Command_Injection__char_environment_w32spawnl_67_structType myStruct;
      char dataBuffer[100] = COMMAND_ARG2;
      data = dataBuffer;
      /* FIX: Append a fixed string to data (not user / external input) */
      strcat(data, "*.*");
      myStruct.structFirst = data;
      CWE78_OS_Command_Injection__char_environment_w32spawnl_67b_goodG2BSink(myStruct);
  }
  
  void CWE78_OS_Command_Injection__char_environment_w32spawnl_67_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_w32spawnl_67_good();
      printLine("Finished good()");
  #endif /* OMITGOOD */
  #ifndef OMITBAD
      printLine("Calling bad()...");
      CWE78_OS_Command_Injection__char_environment_w32spawnl_67_bad();
      printLine("Finished bad()");
  #endif /* OMITBAD */
      return 0;
  }
  
  #endif
  