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Name	Size	Permission
10-at-a-time.c	5.11 KB	-rw-r--r--
ABI	2.67 KB	-rw-r--r--
CONTRIBUTE	11.79 KB	-rw-r--r--
INTERNALS	20.75 KB	-rw-r--r--
Makefile.example	1.86 KB	-rw-r--r--
anyauthput.c	4.99 KB	-rw-r--r--
cacertinmem.c	6.61 KB	-rw-r--r--
certinfo.c	2.31 KB	-rw-r--r--
chkspeed.c	5.63 KB	-rw-r--r--
cookie_interface.c	3.63 KB	-rw-r--r--
curlgtk.c	2.89 KB	-rw-r--r--
curlx.c	15.68 KB	-rw-r--r--
debug.c	4.02 KB	-rw-r--r--
evhiperfifo.c	11.89 KB	-rw-r--r--
externalsocket.c	4.4 KB	-rw-r--r--
fileupload.c	2.6 KB	-rw-r--r--
fopen.c	13.07 KB	-rw-r--r--
ftp-wildcard.c	4.12 KB	-rw-r--r--
ftpget.c	2.81 KB	-rw-r--r--
ftpgetinfo.c	2.92 KB	-rw-r--r--
ftpgetresp.c	2.51 KB	-rw-r--r--
ftpsget.c	3.09 KB	-rw-r--r--
ftpupload.c	4.54 KB	-rw-r--r--
ftpuploadresume.c	4.75 KB	-rw-r--r--
getinfo.c	1.85 KB	-rw-r--r--
getinmemory.c	3.29 KB	-rw-r--r--
ghiper.c	11.73 KB	-rw-r--r--
hiperfifo.c	11.21 KB	-rw-r--r--
href_extractor.c	2.64 KB	-rw-r--r--
htmltidy.c	3.99 KB	-rw-r--r--
http-post.c	1.92 KB	-rw-r--r--
httpcustomheader.c	2.02 KB	-rw-r--r--
httpput.c	3.65 KB	-rw-r--r--
https.c	2.49 KB	-rw-r--r--
imap.c	1.47 KB	-rw-r--r--
multi-app.c	4.49 KB	-rw-r--r--
multi-debugcallback.c	5.37 KB	-rw-r--r--
multi-double.c	3.34 KB	-rw-r--r--
multi-post.c	4.51 KB	-rw-r--r--
multi-single.c	3.3 KB	-rw-r--r--
multithread.c	2.58 KB	-rw-r--r--
opensslthreadlock.c	2.72 KB	-rw-r--r--
persistant.c	2.08 KB	-rw-r--r--
pop3s.c	2.6 KB	-rw-r--r--
pop3slist.c	2.59 KB	-rw-r--r--
post-callback.c	4.67 KB	-rw-r--r--
postit2.c	3.47 KB	-rw-r--r--
progressfunc.c	2.66 KB	-rw-r--r--
resolve.c	1.77 KB	-rw-r--r--
rtsp.c	8.3 KB	-rw-r--r--
sampleconv.c	3.29 KB	-rw-r--r--
sendrecv.c	3.57 KB	-rw-r--r--
sepheaders.c	2.49 KB	-rw-r--r--
sftpget.c	3.2 KB	-rw-r--r--
simple.c	1.63 KB	-rw-r--r--
simplepost.c	1.78 KB	-rw-r--r--
simplesmtp.c	3.48 KB	-rw-r--r--
simplessl.c	4.46 KB	-rw-r--r--
smooth-gtk-thread.c	6.08 KB	-rw-r--r--
smtp-multi.c	5.74 KB	-rw-r--r--
smtp-tls.c	5.73 KB	-rw-r--r--
synctime.c	12.59 KB	-rw-r--r--
threaded-ssl.c	4.19 KB	-rw-r--r--
url2file.c	2.4 KB	-rw-r--r--

Code Editor : smtp-tls.c

/***************************************************************************
 *                                  _   _ ____  _
 *  Project                     ___| | | |  _ \| |
 *                             / __| | | | |_) | |
 *                            | (__| |_| |  _ <| |___
 *                             \___|\___/|_| \_\_____|
 *
 * Copyright (C) 1998 - 2011, 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 <string.h>
#include <curl/curl.h>

/* This is a simple example showing how to send mail using libcurl's SMTP
 * capabilities. It builds on the simplesmtp.c example, adding some
 * authentication and transport security.
 */

#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\n",
  "To: " TO "\n",
  "From: " FROM "(Example User)\n",
  "Cc: " CC "(Another example User)\n",
  "Message-ID: <dcd7cb36-11db-487a-9f3a-e652a9458efd@rfcpedant.example.org>\n",
  "Subject: SMTP TLS example message\n",
  "\n", /* empty line to divide headers from body, see RFC5322 */
  "The body of the message starts here.\n",
  "\n",
  "It could be a lot of lines, could be MIME encoded, whatever.\n",
  "Check RFC5322.\n",
  NULL
};

struct upload_status {
  int lines_read;
};

static size_t payload_source(void *ptr, size_t size, size_t nmemb, void *userp)
{
  struct upload_status *upload_ctx = (struct upload_status *)userp;
  const char *data;

if ((size == 0) || (nmemb == 0) || ((size*nmemb) < 1)) {
    return 0;
  }

data = payload_text[upload_ctx->lines_read];

if (data) {
    size_t len = strlen(data);
    memcpy(ptr, data, len);
    upload_ctx->lines_read ++;
    return len;
  }
  return 0;
}

int main(void)
{
  CURL *curl;
  CURLcode res;
  struct curl_slist *recipients = NULL;
  struct upload_status upload_ctx;

upload_ctx.lines_read = 0;

curl = curl_easy_init();
  if (curl) {
    /* This is the URL for your mailserver. Note the use of port 587 here,
     * instead of the normal SMTP port (25). Port 587 is commonly used for
     * secure mail submission (see RFC4403), but you should use whatever
     * matches your server configuration. */
    curl_easy_setopt(curl, CURLOPT_URL, "smtp://mainserver.example.net:587");

/* In this example, we'll start with a plain text connection, and upgrade
     * to Transport Layer Security (TLS) using the STARTTLS command. Be careful
     * of using CURLUSESSL_TRY here, because if TLS upgrade fails, the transfer
     * will continue anyway - see the security discussion in the libcurl
     * tutorial for more details. */
    curl_easy_setopt(curl, CURLOPT_USE_SSL, (long)CURLUSESSL_ALL);

/* If your server doesn't have a valid certificate, then you can disable
     * part of the Transport Layer Security protection by setting the
     * CURLOPT_SSL_VERIFYPEER and CURLOPT_SSL_VERIFYHOST options to 0 (false).
     *   curl_easy_setopt(curl, CURLOPT_SSL_VERIFYPEER, 0L);
     *   curl_easy_setopt(curl, CURLOPT_SSL_VERIFYHOST, 0L);
     * That is, in general, a bad idea. It is still better than sending your
     * authentication details in plain text though.
     * Instead, you should get the issuer certificate (or the host certificate
     * if the certificate is self-signed) and add it to the set of certificates
     * that are known to libcurl using CURLOPT_CAINFO and/or CURLOPT_CAPATH. See
     * docs/SSLCERTS for more information.
     */
    curl_easy_setopt(curl, CURLOPT_CAINFO, "/path/to/certificate.pem");

/* A common reason for requiring transport security is to protect
     * authentication details (user names and passwords) from being "snooped"
     * on the network. Here is how the user name and password are provided: */
    curl_easy_setopt(curl, CURLOPT_USERNAME, "user@example.net");
    curl_easy_setopt(curl, CURLOPT_PASSWORD, "P@ssw0rd");

/* value for envelope reverse-path */
    curl_easy_setopt(curl, CURLOPT_MAIL_FROM, FROM);
    /* Add two recipients, in this particular case they correspond to the
     * To: and Cc: addressees in the header, but they could be any kind of
     * recipient. */
    recipients = curl_slist_append(recipients, TO);
    recipients = curl_slist_append(recipients, CC);
    curl_easy_setopt(curl, CURLOPT_MAIL_RCPT, recipients);

/* In this case, we're 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);

/* 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);

/* send the message (including headers) */
    res = curl_easy_perform(curl);
    /* Check for errors */
    if(res != CURLE_OK)
      fprintf(stderr, "curl_easy_perform() failed: %s\n",
              curl_easy_strerror(res));

/* free the list of recipients and clean up */
    curl_slist_free_all(recipients);
    curl_easy_cleanup(curl);
  }
  return 0;
}

${this.title}

Code Editor : smtp-tls.c