chkhostname.c 1.6 KB

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  1. /***************************************************************************
  2. * _ _ ____ _
  3. * Project ___| | | | _ \| |
  4. * / __| | | | |_) | |
  5. * | (__| |_| | _ <| |___
  6. * \___|\___/|_| \_\_____|
  7. *
  8. * Copyright (C) 1998 - 2016, Daniel Stenberg, <daniel@haxx.se>, et al.
  9. *
  10. * This software is licensed as described in the file COPYING, which
  11. * you should have received as part of this distribution. The terms
  12. * are also available at https://curl.haxx.se/docs/copyright.html.
  13. *
  14. * You may opt to use, copy, modify, merge, publish, distribute and/or sell
  15. * copies of the Software, and permit persons to whom the Software is
  16. * furnished to do so, under the terms of the COPYING file.
  17. *
  18. * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  19. * KIND, either express or implied.
  20. *
  21. ***************************************************************************/
  22. #include "curl_setup.h"
  23. #include "curl_gethostname.h"
  24. #define HOSTNAME_MAX 1024
  25. int main(int argc, char *argv[])
  26. {
  27. char buff[HOSTNAME_MAX];
  28. if(argc != 2) {
  29. printf("Usage: %s EXPECTED_HOSTNAME\n", argv[0]);
  30. return 1;
  31. }
  32. if(Curl_gethostname(buff, HOSTNAME_MAX)) {
  33. printf("Curl_gethostname() failed\n");
  34. return 1;
  35. }
  36. /* compare the name returned by Curl_gethostname() with the expected one */
  37. if(strncmp(buff, argv[1], HOSTNAME_MAX)) {
  38. printf("got unexpected host name back, LD_PRELOAD failed\n");
  39. return 1;
  40. }
  41. return 0;
  42. }