main.c

C语言实现的一个简易的POP3服务器代码

/*
 *  Embedded POP3 Client
 *
 *  ./software/ch6/empop3c/main.c
 *
 *  [e-mail]
 *
 */

#include <stdio.h>
#include <string.h>
#include "empop3c.h"


#define SERVER		"yourserver.com"
#define USER		"username"
#define PASS		"password"

#define MAX_MAIL	4096


/*
 *  Test main to use the empop3c API.
 */

int main()
{
  int result, count, index;
  char contents[MAX_MAIL+1];
  mail_t mail;

  /* Load our mail body into the mail structure and clear it out. */
  mail.email = contents;
  bzero( contents, sizeof(contents) );
  mail.email_len = MAX_MAIL;

  count = pop3cConnect( SERVER, USER, PASS );

  printf("Connected.  %d emails waiting...\n", count);

  for ( index = 0 ; index < count ; index++ ) {

    result = pop3cRetrieve ( &mail, MAX_MAIL );

    result = pop3cParse ( &mail );

    /* Handlers */
    if (!strncmp(mail.subject, "STATUS", 6)) {
      /* Handle an incoming STATUS email */
    } else {
      /* Silently ignore unknown commands */
    }

    result = pop3cDelete();

  }

  pop3cDisconnect();

  return 0;
}

/*
 *  Copyright (c) 2002 Charles River Media.  All rights reserved.
 * 
 *  Redistribution and use in source and binary forms, with or 
 *  without modification, is hereby granted without fee 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 of Charles River Media 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 CHARLES RIVER MEDIA AND CONTRIBUTERS 
 * 'AS IS' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS 
 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL CHARLES
 * RIVER MEDIA OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 
 * INCIDENTAL, SPECIAL, EXEMPLARAY, 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.
 */