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a28464ae77
You're => You are Hasn't => Has not Doesn't => Does not Don't => Do not You'll => You will etc Closes #7930
92 lines
3.2 KiB
C
92 lines
3.2 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 - 2021, 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 https://curl.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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/* <DESC>
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* POP3 example using SSL
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* </DESC>
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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 retrieve mail using libcurl's POP3
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* capabilities. It builds on the pop3-retr.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 7.20.0 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 retrieve message 1 from the user's mailbox. Note the use of
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* pop3s:// rather than pop3:// to request a SSL based connection. */
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curl_easy_setopt(curl, CURLOPT_URL, "pop3s://pop.example.com/1");
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/* If you want to connect to a site who is not using a certificate that is
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* signed by one of the certs in the CA bundle you have, you can skip the
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* verification of the server's certificate. This makes the connection
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* A LOT LESS SECURE.
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*
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* If you have a CA cert for the server stored someplace else than in the
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* default bundle, then the CURLOPT_CAPATH option might come handy for
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* you. */
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#ifdef SKIP_PEER_VERIFICATION
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curl_easy_setopt(curl, CURLOPT_SSL_VERIFYPEER, 0L);
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#endif
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/* If the site you are connecting to uses a different host name that what
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* they have mentioned in their server certificate's commonName (or
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* subjectAltName) fields, libcurl will refuse to connect. You can skip
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* this check, but this will make the connection less secure. */
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#ifdef SKIP_HOSTNAME_VERIFICATION
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curl_easy_setopt(curl, CURLOPT_SSL_VERIFYHOST, 0L);
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#endif
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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 retr */
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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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