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- /***************************************************************************
- * _ _ ____ _
- * Project ___| | | | _ \| |
- * / __| | | | |_) | |
- * | (__| |_| | _ <| |___
- * \___|\___/|_| \_\_____|
- *
- * Copyright (C) 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.
- *
- * SPDX-License-Identifier: curl
- *
- ***************************************************************************/
- /* <DESC>
- * Send email with IMAP
- * </DESC>
- */
- #include <stdio.h>
- #include <string.h>
- #include <curl/curl.h>
- /* This is a simple example showing how to send mail using libcurl's IMAP
- * capabilities.
- *
- * Note that this example requires libcurl 7.30.0 or above.
- */
- #define FROM "<sender@example.org>"
- #define TO "<addressee@example.net>"
- #define CC "<info@example.org>"
- static const char *payload_text =
- "Date: Mon, 29 Nov 2010 21:54:29 +1100\r\n"
- "To: " TO "\r\n"
- "From: " FROM "(Example User)\r\n"
- "Cc: " CC "(Another example User)\r\n"
- "Message-ID: "
- "<dcd7cb36-11db-487a-9f3a-e652a9458efd@rfcpedant.example.org>\r\n"
- "Subject: IMAP example message\r\n"
- "\r\n" /* empty line to divide headers from body, see RFC 5322 */
- "The body of the message starts here.\r\n"
- "\r\n"
- "It could be a lot of lines, could be MIME encoded, whatever.\r\n"
- "Check RFC 5322.\r\n";
- struct upload_status {
- size_t bytes_read;
- };
- static size_t payload_source(char *ptr, size_t size, size_t nmemb, void *userp)
- {
- struct upload_status *upload_ctx = (struct upload_status *)userp;
- const char *data;
- size_t room = size * nmemb;
- if((size == 0) || (nmemb == 0) || ((size*nmemb) < 1)) {
- return 0;
- }
- data = &payload_text[upload_ctx->bytes_read];
- if(*data) {
- size_t len = strlen(data);
- if(room < len)
- len = room;
- memcpy(ptr, data, len);
- upload_ctx->bytes_read += len;
- return len;
- }
- return 0;
- }
- int main(void)
- {
- CURL *curl;
- CURLcode res = CURLE_OK;
- curl = curl_easy_init();
- if(curl) {
- size_t filesize;
- long infilesize = LONG_MAX;
- struct upload_status upload_ctx = { 0 };
- /* Set username and password */
- curl_easy_setopt(curl, CURLOPT_USERNAME, "user");
- curl_easy_setopt(curl, CURLOPT_PASSWORD, "secret");
- /* This creates a new message in folder "Sent". */
- curl_easy_setopt(curl, CURLOPT_URL, "imap://imap.example.com/Sent");
- /* In this case, we are using a callback function to specify the data. You
- * could just use the CURLOPT_READDATA option to specify a FILE pointer to
- * read from. */
- curl_easy_setopt(curl, CURLOPT_READFUNCTION, payload_source);
- curl_easy_setopt(curl, CURLOPT_READDATA, &upload_ctx);
- curl_easy_setopt(curl, CURLOPT_UPLOAD, 1L);
- filesize = strlen(payload_text);
- if(filesize <= LONG_MAX)
- infilesize = (long)filesize;
- curl_easy_setopt(curl, CURLOPT_INFILESIZE, infilesize);
- /* Perform the append */
- 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;
- }
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