https.c 2.5 KB

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  1. /***************************************************************************
  2. * _ _ ____ _
  3. * Project ___| | | | _ \| |
  4. * / __| | | | |_) | |
  5. * | (__| |_| | _ <| |___
  6. * \___|\___/|_| \_\_____|
  7. *
  8. * Copyright (C) 1998 - 2015, 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. /* <DESC>
  23. * Simple HTTPS GET
  24. * </DESC>
  25. */
  26. #include <stdio.h>
  27. #include <curl/curl.h>
  28. int main(void)
  29. {
  30. CURL *curl;
  31. CURLcode res;
  32. curl_global_init(CURL_GLOBAL_DEFAULT);
  33. curl = curl_easy_init();
  34. if(curl) {
  35. curl_easy_setopt(curl, CURLOPT_URL, "https://example.com/");
  36. #ifdef SKIP_PEER_VERIFICATION
  37. /*
  38. * If you want to connect to a site who isn't using a certificate that is
  39. * signed by one of the certs in the CA bundle you have, you can skip the
  40. * verification of the server's certificate. This makes the connection
  41. * A LOT LESS SECURE.
  42. *
  43. * If you have a CA cert for the server stored someplace else than in the
  44. * default bundle, then the CURLOPT_CAPATH option might come handy for
  45. * you.
  46. */
  47. curl_easy_setopt(curl, CURLOPT_SSL_VERIFYPEER, 0L);
  48. #endif
  49. #ifdef SKIP_HOSTNAME_VERIFICATION
  50. /*
  51. * If the site you're connecting to uses a different host name that what
  52. * they have mentioned in their server certificate's commonName (or
  53. * subjectAltName) fields, libcurl will refuse to connect. You can skip
  54. * this check, but this will make the connection less secure.
  55. */
  56. curl_easy_setopt(curl, CURLOPT_SSL_VERIFYHOST, 0L);
  57. #endif
  58. /* Perform the request, res will get the return code */
  59. res = curl_easy_perform(curl);
  60. /* Check for errors */
  61. if(res != CURLE_OK)
  62. fprintf(stderr, "curl_easy_perform() failed: %s\n",
  63. curl_easy_strerror(res));
  64. /* always cleanup */
  65. curl_easy_cleanup(curl);
  66. }
  67. curl_global_cleanup();
  68. return 0;
  69. }