mirror of
https://github.com/moparisthebest/curl
synced 2024-11-16 06:25:03 -05:00
93 lines
3.5 KiB
C
93 lines
3.5 KiB
C
/***************************************************************************
|
|
* _ _ ____ _
|
|
* Project ___| | | | _ \| |
|
|
* / __| | | | |_) | |
|
|
* | (__| |_| | _ <| |___
|
|
* \___|\___/|_| \_\_____|
|
|
*
|
|
* Copyright (C) 1998 - 2020, Daniel Stenberg, <daniel@haxx.se>, et al.
|
|
*
|
|
* This software is licensed as described in the file COPYING, which
|
|
* you should have received as part of this distribution. The terms
|
|
* are also available at https://curl.se/docs/copyright.html.
|
|
*
|
|
* You may opt to use, copy, modify, merge, publish, distribute and/or sell
|
|
* copies of the Software, and permit persons to whom the Software is
|
|
* furnished to do so, under the terms of the COPYING file.
|
|
*
|
|
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
|
|
* KIND, either express or implied.
|
|
*
|
|
***************************************************************************/
|
|
|
|
/* <DESC>
|
|
* IMAP example using TLS
|
|
* </DESC>
|
|
*/
|
|
|
|
#include <stdio.h>
|
|
#include <curl/curl.h>
|
|
|
|
/* This is a simple example showing how to fetch mail using libcurl's IMAP
|
|
* capabilities. It builds on the imap-fetch.c example adding transport
|
|
* security to protect the authentication details from being snooped.
|
|
*
|
|
* Note that this example requires libcurl 7.30.0 or above.
|
|
*/
|
|
|
|
int main(void)
|
|
{
|
|
CURL *curl;
|
|
CURLcode res = CURLE_OK;
|
|
|
|
curl = curl_easy_init();
|
|
if(curl) {
|
|
/* Set username and password */
|
|
curl_easy_setopt(curl, CURLOPT_USERNAME, "user");
|
|
curl_easy_setopt(curl, CURLOPT_PASSWORD, "secret");
|
|
|
|
/* This will fetch message 1 from the user's inbox */
|
|
curl_easy_setopt(curl, CURLOPT_URL,
|
|
"imap://imap.example.com/INBOX/;UID=1");
|
|
|
|
/* In this example, we'll start with a plain text connection, and upgrade
|
|
* to Transport Layer Security (TLS) using the STARTTLS command. Be careful
|
|
* of using CURLUSESSL_TRY here, because if TLS upgrade fails, the transfer
|
|
* will continue anyway - see the security discussion in the libcurl
|
|
* tutorial for more details. */
|
|
curl_easy_setopt(curl, CURLOPT_USE_SSL, (long)CURLUSESSL_ALL);
|
|
|
|
/* If your server doesn't have a valid certificate, then you can disable
|
|
* part of the Transport Layer Security protection by setting the
|
|
* CURLOPT_SSL_VERIFYPEER and CURLOPT_SSL_VERIFYHOST options to 0 (false).
|
|
* curl_easy_setopt(curl, CURLOPT_SSL_VERIFYPEER, 0L);
|
|
* curl_easy_setopt(curl, CURLOPT_SSL_VERIFYHOST, 0L);
|
|
*
|
|
* That is, in general, a bad idea. It is still better than sending your
|
|
* authentication details in plain text though. Instead, you should get
|
|
* the issuer certificate (or the host certificate if the certificate is
|
|
* self-signed) and add it to the set of certificates that are known to
|
|
* libcurl using CURLOPT_CAINFO and/or CURLOPT_CAPATH. See docs/SSLCERTS
|
|
* for more information. */
|
|
curl_easy_setopt(curl, CURLOPT_CAINFO, "/path/to/certificate.pem");
|
|
|
|
/* Since the traffic will be encrypted, it is very useful to turn on debug
|
|
* information within libcurl to see what is happening during the
|
|
* transfer */
|
|
curl_easy_setopt(curl, CURLOPT_VERBOSE, 1L);
|
|
|
|
/* Perform the fetch */
|
|
res = curl_easy_perform(curl);
|
|
|
|
/* Check for errors */
|
|
if(res != CURLE_OK)
|
|
fprintf(stderr, "curl_easy_perform() failed: %s\n",
|
|
curl_easy_strerror(res));
|
|
|
|
/* Always cleanup */
|
|
curl_easy_cleanup(curl);
|
|
}
|
|
|
|
return (int)res;
|
|
}
|