mirror of
https://github.com/moparisthebest/curl
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85 lines
3.4 KiB
C
85 lines
3.4 KiB
C
/***************************************************************************
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* _ _ ____ _
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* Project ___| | | | _ \| |
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* / __| | | | |_) | |
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* | (__| |_| | _ <| |___
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* \___|\___/|_| \_\_____|
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*
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* Copyright (C) 1998 - 2014, Daniel Stenberg, <daniel@haxx.se>, et al.
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*
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* This software is licensed as described in the file COPYING, which
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* you should have received as part of this distribution. The terms
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* are also available at http://curl.haxx.se/docs/copyright.html.
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*
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* You may opt to use, copy, modify, merge, publish, distribute and/or sell
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* copies of the Software, and permit persons to whom the Software is
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* furnished to do so, under the terms of the COPYING file.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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***************************************************************************/
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#include <stdio.h>
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#include <curl/curl.h>
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/* This is a simple example showing how to fetch mail using libcurl's IMAP
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* capabilities. It builds on the imap-fetch.c example adding transport
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* security to protect the authentication details from being snooped.
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*
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* Note that this example requires libcurl 7.30.0 or above.
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*/
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int main(void)
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{
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CURL *curl;
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CURLcode res = CURLE_OK;
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curl = curl_easy_init();
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if(curl) {
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/* Set username and password */
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curl_easy_setopt(curl, CURLOPT_USERNAME, "user");
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curl_easy_setopt(curl, CURLOPT_PASSWORD, "secret");
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/* This will fetch message 1 from the user's inbox */
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curl_easy_setopt(curl, CURLOPT_URL, "imap://imap.example.com/INBOX/;UID=1");
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/* In this example, we'll start with a plain text connection, and upgrade
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* to Transport Layer Security (TLS) using the STARTTLS command. Be careful
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* of using CURLUSESSL_TRY here, because if TLS upgrade fails, the transfer
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* will continue anyway - see the security discussion in the libcurl
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* tutorial for more details. */
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curl_easy_setopt(curl, CURLOPT_USE_SSL, (long)CURLUSESSL_ALL);
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/* If your server doesn't have a valid certificate, then you can disable
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* part of the Transport Layer Security protection by setting the
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* CURLOPT_SSL_VERIFYPEER and CURLOPT_SSL_VERIFYHOST options to 0 (false).
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* curl_easy_setopt(curl, CURLOPT_SSL_VERIFYPEER, 0L);
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* curl_easy_setopt(curl, CURLOPT_SSL_VERIFYHOST, 0L);
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* That is, in general, a bad idea. It is still better than sending your
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* authentication details in plain text though.
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* Instead, you should get the issuer certificate (or the host certificate
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* if the certificate is self-signed) and add it to the set of certificates
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* that are known to libcurl using CURLOPT_CAINFO and/or CURLOPT_CAPATH. See
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* docs/SSLCERTS for more information. */
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curl_easy_setopt(curl, CURLOPT_CAINFO, "/path/to/certificate.pem");
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/* Since the traffic will be encrypted, it is very useful to turn on debug
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* information within libcurl to see what is happening during the
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* transfer */
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curl_easy_setopt(curl, CURLOPT_VERBOSE, 1L);
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/* Perform the fetch */
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res = curl_easy_perform(curl);
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/* Check for errors */
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if(res != CURLE_OK)
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fprintf(stderr, "curl_easy_perform() failed: %s\n",
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curl_easy_strerror(res));
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/* Always cleanup */
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curl_easy_cleanup(curl);
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}
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return (int)res;
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}
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