curl-imap-starttls.c

#include <stdio.h>
#include <stdlib.h>
#include <curl/curl.h>

#define USERNAME "user"
#define PASSWORD "password"
#define SERVER_URL "imap://mail.server.com/"

int main(void) {
    CURL *curl;
    CURLcode res;

    curl = curl_easy_init();
    if( curl ) {
        curl_easy_setopt(curl, CURLOPT_USERNAME, USERNAME);
        curl_easy_setopt(curl, CURLOPT_PASSWORD, PASSWORD);

        curl_easy_setopt(curl, CURLOPT_USE_SSL, (long)CURLUSESSL_ALL);
        curl_easy_setopt(curl, CURLOPT_SSL_VERIFYPEER, 0L);
        curl_easy_setopt(curl, CURLOPT_SSL_VERIFYHOST, 0L);
        curl_easy_setopt(curl, CURLOPT_VERBOSE, 1L);

        // Do the first request
        curl_easy_setopt(curl, CURLOPT_URL, SERVER_URL "Inbox");
        res = curl_easy_perform(curl);
        if( res != CURLE_OK ) {
            fprintf(stderr, "curl_easy_perform() failed: %s\n", curl_easy_strerror(res));
            goto cleanup;
        }

        // Do the second request
        curl_easy_setopt(curl, CURLOPT_URL, SERVER_URL "Drafts");
        res = curl_easy_perform(curl);
        if( res != CURLE_OK ) {
            fprintf(stderr, "curl_easy_perform() failed: %s\n", curl_easy_strerror(res));
        }

cleanup:
        curl_easy_cleanup(curl);
    }

    return res;
}