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lmtpengine.h
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/* lmtpengine.h: lmtp protocol engine interface
* $Id: lmtpengine.h,v 1.1 2000/05/28 23:19:40 leg Exp $
*
* Copyright (c) 2000 Carnegie Mellon University. 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. The name "Carnegie Mellon University" must not be used to
* endorse or promote products derived from this software without
* prior written permission. For permission or any other legal
* details, please contact
* Office of Technology Transfer
* Carnegie Mellon University
* 5000 Forbes Avenue
* Pittsburgh, PA 15213-3890
* (412) 268-4387, fax: (412) 268-7395
* tech-transfer@andrew.cmu.edu
*
* 4. Redistributions of any form whatsoever must retain the following
* acknowledgment:
* "This product includes software developed by Computing Services
* at Carnegie Mellon University (http://www.cmu.edu/computing/)."
*
* CARNEGIE MELLON UNIVERSITY DISCLAIMS ALL WARRANTIES WITH REGARD TO
* THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS, IN NO EVENT SHALL CARNEGIE MELLON UNIVERSITY BE LIABLE
* FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
* AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#ifndef LMTP_PARSE_H
#define LMTP_PARSE_H
#define HEADERCACHESIZE 4009
typedef struct message_data message_data_t;
typedef struct Header header_t;
typedef struct address_data address_data_t;
struct message_data {
struct protstream *data; /* message in temp file */
FILE *f; /* FILE * corresponding */
char *id; /* message id */
int size; /* size of message */
/* msg envelope */
char *return_path; /* where to return message */
address_data_t **rcpt; /* to recipients of this message */
int rcpt_num; /* number of recipients */
header_t *cache[HEADERCACHESIZE];
};
/*
* to do:
*
* figure out how to ask the delivery system to deliver the message multiple
* times, and allow the delivery system to return status.
* perhaps a register_deliver() function, and that function gets called on
* every rcpt w/ the message, and the message
*/
/* return the corresponding header */
const char **msg_getheader(message_data_t *m, const char *phead);
/* return message size */
int msg_getsize(message_data_t *m);
/* return # of recipients */
int msg_getnumrcpt(message_data_t *m);
/* return delivery destination of recipient 'rcpt_num' */
const char *msg_getrcpt(message_data_t *m, int rcpt_num);
/* return entire receipient of 'rcpt_num' */
const char *msg_getrcptall(message_data_t *m, int rcpt_num);
/* set a recipient status; 'r' should be an IMAP error code that will be
translated into an LMTP status code */
void msg_setrcpt_status(message_data_t *m, int rcpt_num, int r);
struct lmtp_func {
int (*deliver)(message_data_t *m,
char *authuser, struct auth_state *authstate);
int (*verify_user)(const char *user);
char *addheaders;
};
/* run LMTP on 'pin' and 'pout', doing callbacks to 'func' where appropriate
*
* will call signals_poll() on occasion.
* will return when connection closes.
*/
void lmtpmode(struct lmtp_func *func,
struct protstream *pin,
struct protstream *pout,
int fd);
#endif /* LMTP_PARSE_H */

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