nuttx-apps/examples/sendmail/host.c

/****************************************************************************
 * examples/sendmail/host.c
 *
 *   Copyright (C) 2009, 2011 Gregory Nutt. All rights reserved.
 *   Author: Gregory Nutt <gnutt@nuttx.org>
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 * 3. Neither the name Gregory Nutt nor the names of its contributors may be
 *    used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 *
 ****************************************************************************/

/****************************************************************************
 * Included Files
 ****************************************************************************/

#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <errno.h>

#include <netinet/in.h>

#include <nuttx/net/ip.h>
#include <apps/netutils/smtp.h>

/****************************************************************************
 * Private Data
 ****************************************************************************/

static const char g_host_name[] = "localhost";
static const char g_sender[]    = "nuttx-testing@example.com";
static const char g_subject[]   = "Testing SMTP from NuttX";
static const char g_msg_body[]  = "Test message sent by NuttX\r\n";

/****************************************************************************
 * Private Functions
 ****************************************************************************/

/****************************************************************************
 * Name: show_usage
 ****************************************************************************/

static void show_usage(const char *progname, int exitcode)
{
  fprintf(stderr, "USAGE: %s <recipient>\n", progname);
  exit(exitcode);
}

/****************************************************************************
 * Public Functions
 ****************************************************************************/
/****************************************************************************
 * Name: main
 ****************************************************************************/

int main(int argc, char **argv, char **envp)
{
  struct in_addr addr;
  void *handle;

  if (argc != 2)
    {
      show_usage(argv[0], 1);
    }

  printf("sendmail: To: %s\n", argv[1]);
  printf("sendmail: From: %s\n", g_sender);
  printf("sendmail: Subject: %s\n", g_subject);
  printf("sendmail: Body: %s\n", g_msg_body);

  net_ipaddr(addr.s_addr, 127, 0, 0, 1);
  handle = smtp_open();
  if (handle)
    {
      smtp_configure(handle, g_host_name, &addr.s_addr);
      smtp_send(handle, argv[1], NULL, g_sender, g_subject,
                g_msg_body, strlen(g_msg_body));
      smtp_close(handle);
    }

  return 0;
}