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chkhostname.c 1.6 KB

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  1. /***************************************************************************
  2. * _ _ ____ _
  3. * Project ___| | | | _ \| |
  4. * / __| | | | |_) | |
  5. * | (__| |_| | _ <| |___
  6. * \___|\___/|_| \_\_____|
  7. *
  8. * Copyright (C) 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.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. * SPDX-License-Identifier: curl
  22. *
  23. ***************************************************************************/
  24. #include "curl_setup.h"
  25. #include "curl_gethostname.h"
  26. #define HOSTNAME_MAX 1024
  27. int main(int argc, char *argv[])
  28. {
  29. char buff[HOSTNAME_MAX];
  30. if(argc != 2) {
  31. printf("Usage: %s EXPECTED_HOSTNAME\n", argv[0]);
  32. return 1;
  33. }
  34. if(Curl_gethostname(buff, HOSTNAME_MAX)) {
  35. printf("Curl_gethostname() failed\n");
  36. return 1;
  37. }
  38. /* compare the name returned by Curl_gethostname() with the expected one */
  39. if(strncmp(buff, argv[1], HOSTNAME_MAX)) {
  40. printf("got unexpected host name back, LD_PRELOAD failed\n");
  41. return 1;
  42. }
  43. return 0;
  44. }