imap-ssl.c 3.2 KB

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  1. /***************************************************************************
  2. * _ _ ____ _
  3. * Project ___| | | | _ \| |
  4. * / __| | | | |_) | |
  5. * | (__| |_| | _ <| |___
  6. * \___|\___/|_| \_\_____|
  7. *
  8. * Copyright (C) 1998 - 2014, 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 http://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 <stdio.h>
  23. #include <curl/curl.h>
  24. /* This is a simple example showing how to fetch mail using libcurl's IMAP
  25. * capabilities. It builds on the imap-fetch.c example adding transport
  26. * security to protect the authentication details from being snooped.
  27. *
  28. * Note that this example requires libcurl 7.30.0 or above.
  29. */
  30. int main(void)
  31. {
  32. CURL *curl;
  33. CURLcode res = CURLE_OK;
  34. curl = curl_easy_init();
  35. if(curl) {
  36. /* Set username and password */
  37. curl_easy_setopt(curl, CURLOPT_USERNAME, "user");
  38. curl_easy_setopt(curl, CURLOPT_PASSWORD, "secret");
  39. /* This will fetch message 1 from the user's inbox. Note the use of
  40. * imaps:// rather than imap:// to request a SSL based connection. */
  41. curl_easy_setopt(curl, CURLOPT_URL, "imaps://imap.example.com/INBOX/;UID=1");
  42. /* If you want to connect to a site who isn't using a certificate that is
  43. * signed by one of the certs in the CA bundle you have, you can skip the
  44. * verification of the server's certificate. This makes the connection
  45. * A LOT LESS SECURE.
  46. *
  47. * If you have a CA cert for the server stored someplace else than in the
  48. * default bundle, then the CURLOPT_CAPATH option might come handy for
  49. * you. */
  50. #ifdef SKIP_PEER_VERIFICATION
  51. curl_easy_setopt(curl, CURLOPT_SSL_VERIFYPEER, 0L);
  52. #endif
  53. /* If the site you're connecting to uses a different host name that what
  54. * they have mentioned in their server certificate's commonName (or
  55. * subjectAltName) fields, libcurl will refuse to connect. You can skip
  56. * this check, but this will make the connection less secure. */
  57. #ifdef SKIP_HOSTNAME_VERFICATION
  58. curl_easy_setopt(curl, CURLOPT_SSL_VERIFYHOST, 0L);
  59. #endif
  60. /* Since the traffic will be encrypted, it is very useful to turn on debug
  61. * information within libcurl to see what is happening during the
  62. * transfer */
  63. curl_easy_setopt(curl, CURLOPT_VERBOSE, 1L);
  64. /* Perform the fetch */
  65. res = curl_easy_perform(curl);
  66. /* Check for errors */
  67. if(res != CURLE_OK)
  68. fprintf(stderr, "curl_easy_perform() failed: %s\n",
  69. curl_easy_strerror(res));
  70. /* Always cleanup */
  71. curl_easy_cleanup(curl);
  72. }
  73. return (int)res;
  74. }