text: /* TEMPLATE GENERATED TESTCASE FILE
  Filename: CWE426_Untrusted_Search_Path__char_system_54a.c
  Label Definition File: CWE426_Untrusted_Search_Path.label.xml
  Template File: sources-sink-54a.tmpl.c
  */
  /*
   * @description
   * CWE: 426 Untrusted Search Path
   * BadSource:  Don't specify the full path in the OS command
   * GoodSource: Specify the full path in the OS command
   * Sink: system
   *    BadSink : Execute the system function
   * Flow Variant: 54 Data flow: data passed as an argument from one function through three others to a fifth; all five functions are in different source files
   *
   * */
  
  #include "std_testcase.h"
  
  #include <wchar.h>
  
  #ifdef _WIN32
  # define BAD_OS_COMMAND "cmd.exe /c dir"
  
  /* REVIEWERS NOTE:
   * This hard-coded path is probably incorrect for Windows systems, as it will
   * function improperly on 9x/NT/2K, possibly on XP+ systems upgraded from 2K,
   * and could introduce code execution vulnerabilities on Windows systems that
   * have a system drive on an alternate drive letter (e.g., d:\windows)
   */
  # define GOOD_OS_COMMAND "c:\\windows\\system32\\cmd.exe /c dir"
  #else /* NOT _WIN32 */
  # define BAD_OS_COMMAND "ls -la"
  # define GOOD_OS_COMMAND "/usr/bin/ls -la"
  #endif /* end NOT _WIN32 */
  
  #ifndef OMITBAD
  
  /* bad function declaration */
  void CWE426_Untrusted_Search_Path__char_system_54b_bad_sink(char * data);
  
  void CWE426_Untrusted_Search_Path__char_system_54_bad()
  {
      char * data;
      char data_buf[100] = "";
      data = data_buf;
      /* FLAW - the full path is not specified */
      strcpy(data, BAD_OS_COMMAND);
      CWE426_Untrusted_Search_Path__char_system_54b_bad_sink(data);
  }
  
  #endif /* OMITBAD */
  
  #ifndef OMITGOOD
  
  /* good function declaration */
  void CWE426_Untrusted_Search_Path__char_system_54b_goodG2B_sink(char * data);
  
  /* goodG2B uses the GoodSource with the BadSink */
  static void goodG2B()
  {
      char * data;
      char data_buf[100] = "";
      data = data_buf;
      /* FIX - full path is specified */
      strcpy(data, GOOD_OS_COMMAND);
      CWE426_Untrusted_Search_Path__char_system_54b_goodG2B_sink(data);
  }
  
  void CWE426_Untrusted_Search_Path__char_system_54_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()...");
      CWE426_Untrusted_Search_Path__char_system_54_good();
      printLine("Finished good()");
  #endif /* OMITGOOD */
  #ifndef OMITBAD
      printLine("Calling bad()...");
      CWE426_Untrusted_Search_Path__char_system_54_bad();
      printLine("Finished bad()");
  #endif /* OMITBAD */
      return 0;
  }
  
  #endif
  