quickjs-tart

quickjs-based runtime for wallet-core logic
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imap-ssl.c (3327B)

      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 
     25 /* <DESC>
     26  * IMAP with implicit SSL
     27  * </DESC>
     28  */
     29 
     30 #include <stdio.h>
     31 #include <curl/curl.h>
     32 
     33 /* This is a simple example showing how to fetch mail using libcurl's IMAP
     34  * capabilities. It builds on the imap-fetch.c example adding transport
     35  * security to protect the authentication details from being snooped.
     36  *
     37  * Note that this example requires libcurl 7.30.0 or above.
     38  */
     39 
     40 int main(void)
     41 {
     42   CURL *curl;
     43   CURLcode res = CURLE_OK;
     44 
     45   curl = curl_easy_init();
     46   if(curl) {
     47     /* Set username and password */
     48     curl_easy_setopt(curl, CURLOPT_USERNAME, "user");
     49     curl_easy_setopt(curl, CURLOPT_PASSWORD, "secret");
     50 
     51     /* This fetches message 1 from the user's inbox. Note the use of
     52     * imaps:// rather than imap:// to request an SSL based connection. */
     53     curl_easy_setopt(curl, CURLOPT_URL,
     54                      "imaps://imap.example.com/INBOX/;UID=1");
     55 
     56     /* If you want to connect to a site who is not using a certificate that is
     57      * signed by one of the certs in the CA bundle you have, you can skip the
     58      * verification of the server's certificate. This makes the connection
     59      * A LOT LESS SECURE.
     60      *
     61      * If you have a CA cert for the server stored someplace else than in the
     62      * default bundle, then the CURLOPT_CAPATH option might come handy for
     63      * you. */
     64 #ifdef SKIP_PEER_VERIFICATION
     65     curl_easy_setopt(curl, CURLOPT_SSL_VERIFYPEER, 0L);
     66 #endif
     67 
     68     /* If the site you are connecting to uses a different host name that what
     69      * they have mentioned in their server certificate's commonName (or
     70      * subjectAltName) fields, libcurl refuses to connect. You can skip this
     71      * check, but it makes the connection insecure. */
     72 #ifdef SKIP_HOSTNAME_VERIFICATION
     73     curl_easy_setopt(curl, CURLOPT_SSL_VERIFYHOST, 0L);
     74 #endif
     75 
     76     /* Since the traffic is encrypted, it is useful to turn on debug
     77      * information within libcurl to see what is happening during the
     78      * transfer */
     79     curl_easy_setopt(curl, CURLOPT_VERBOSE, 1L);
     80 
     81     /* Perform the fetch */
     82     res = curl_easy_perform(curl);
     83 
     84     /* Check for errors */
     85     if(res != CURLE_OK)
     86       fprintf(stderr, "curl_easy_perform() failed: %s\n",
     87               curl_easy_strerror(res));
     88 
     89     /* Always cleanup */
     90     curl_easy_cleanup(curl);
     91   }
     92 
     93   return (int)res;
     94 }