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Diffstat (limited to 'docs/examples/imap-ssl.c')
-rw-r--r-- | docs/examples/imap-ssl.c | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/docs/examples/imap-ssl.c b/docs/examples/imap-ssl.c new file mode 100644 index 000000000..e42ff3922 --- /dev/null +++ b/docs/examples/imap-ssl.c @@ -0,0 +1,85 @@ +/*************************************************************************** + * _ _ ____ _ + * Project ___| | | | _ \| | + * / __| | | | |_) | | + * | (__| |_| | _ <| |___ + * \___|\___/|_| \_\_____| + * + * Copyright (C) 1998 - 2014, 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 http://curl.haxx.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. + * + ***************************************************************************/ +#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. Note the use of + * imaps:// rather than imap:// to request a SSL based connection. */ + curl_easy_setopt(curl, CURLOPT_URL, "imaps://imap.example.com/INBOX/;UID=1"); + + /* If you want to connect to a site who isn't using a certificate that is + * signed by one of the certs in the CA bundle you have, you can skip the + * verification of the server's certificate. This makes the connection + * A LOT LESS SECURE. + * + * If you have a CA cert for the server stored someplace else than in the + * default bundle, then the CURLOPT_CAPATH option might come handy for + * you. */ +#ifdef SKIP_PEER_VERIFICATION + curl_easy_setopt(curl, CURLOPT_SSL_VERIFYPEER, 0L); +#endif + + /* If the site you're connecting to uses a different host name that what + * they have mentioned in their server certificate's commonName (or + * subjectAltName) fields, libcurl will refuse to connect. You can skip + * this check, but this will make the connection less secure. */ +#ifdef SKIP_HOSTNAME_VERFICATION + curl_easy_setopt(curl, CURLOPT_SSL_VERIFYHOST, 0L); +#endif + + /* 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; +} |