smtpc.h

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#ifndef PRO_SMTPC_H
#define PRO_SMTPC_H

/*
 * Copyright 2010 by egnite GmbH
 *
 * All rights reserved.
 *
 * 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 of the copyright holders nor the names of
 *    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.
 *
 * For additional information see http://www.ethernut.de/
 */

#include <stdio.h>
#include <time.h>

#include <cfg/smtp.h>
#include <sys/socket.h>


#ifndef MAX_MAIL_RCPTS

#define MAX_MAIL_RCPTS  4
#endif

#define MAIL_RCPT_TYPE  0x03

#define MAIL_RCPT_TO    0x01

#define MAIL_RCPT_CC    0x02

#define MAIL_RCPT_BCC   0x03

#define MAIL_RCPT_ACPT  0x20

#define MAIL_RCPT_SENT  0x40

#define MAIL_RCPT_FAIL  0x80

#define MAIL_RCPT_DONE  (MAIL_RCPT_SENT | MAIL_RCPT_FAIL)

typedef struct _MAILENVELOPE {
    time_t mail_date;
    char *mail_from;
    char *mail_from_header;
    char *mail_subj;
    char *mail_body;
    char *mail_rcpt[MAX_MAIL_RCPTS];
    char *mail_rcpt_header[MAX_MAIL_RCPTS];
    uint8_t mail_rcpt_stat[MAX_MAIL_RCPTS];
} MAILENVELOPE;

#ifndef SMTP_BUFSIZ

#define SMTP_BUFSIZ     256
#endif

#define SMTPFEAT_VINTAGE        0x00000001

#define SMTPFEAT_AUTH_LOGIN     0x00000002

#define SMTPFEAT_AUTH_PLAIN     0x00000004

typedef struct _SMTPCLIENTSESSION {
    TCPSOCKET *smtp_sock;
    FILE *smtp_stream;
    uint32_t smtp_feat;
    char smtp_buff[SMTP_BUFSIZ];
} SMTPCLIENTSESSION;

__BEGIN_DECLS
/* Prototypes */

extern SMTPCLIENTSESSION * NutSmtpConnect(uint32_t ip, uint16_t port);
extern void NutSmtpDisconnect(SMTPCLIENTSESSION *si);
extern int NutSmtpLogin(SMTPCLIENTSESSION *si, char *host, char *user, char *pass);

extern CONST char *NutSmtpSendMail(SMTPCLIENTSESSION *si, MAILENVELOPE *me);
extern int NutSmtpSendMailRequest(SMTPCLIENTSESSION *si, MAILENVELOPE *me);
extern int NutSmtpSendMailHeader(SMTPCLIENTSESSION *si, MAILENVELOPE *me);
extern int NutSmtpSendEncodedLines(SMTPCLIENTSESSION *si, CONST char *text);

extern CONST char *NutSmtpSendCommand(SMTPCLIENTSESSION *si, CONST char *fmt, ...);
extern CONST char *NutSmtpReceiveResponse(SMTPCLIENTSESSION *si);

__END_DECLS
/* End of prototypes */
#endif