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/*
* Copyright (c) 1999-2000 Sendmail, Inc. and its suppliers.
* All rights reserved.
*
* By using this file, you agree to the terms and conditions set
* forth in the LICENSE file which can be found at the top level of
* the sendmail distribution.
*
*
* $Sendmail: milter.h,v 8.24.16.8 2000/09/17 17:04:24 gshapiro Exp $
*/
/*
** MILTER.H -- Global definitions for mail filter and MTA.
*/
#ifndef _LIBMILTER_MILTER_H
# define _LIBMILTER_MILTER_H 1
#include "libmilter/mfapi.h"
#include "sendmail.h"
/* Shared protocol constants */
# define MILTER_LEN_BYTES 4 /* length of 32 bit integer in bytes */
# define MILTER_OPTLEN (MILTER_LEN_BYTES * 3) /* length of options */
# define MILTER_CHUNK_SIZE 65535 /* body chunk size */
/* address families */
# define SMFIA_UNKNOWN 'U' /* unknown */
# define SMFIA_UNIX 'L' /* unix/local */
# define SMFIA_INET '4' /* inet */
# define SMFIA_INET6 '6' /* inet6 */
/* commands: don't use anything smaller than ' ' */
# define SMFIC_ABORT 'A' /* Abort */
# define SMFIC_BODY 'B' /* Body chunk */
# define SMFIC_CONNECT 'C' /* Connection information */
# define SMFIC_MACRO 'D' /* Define macro */
# define SMFIC_BODYEOB 'E' /* final body chunk (End) */
# define SMFIC_HELO 'H' /* HELO/EHLO */
# define SMFIC_HEADER 'L' /* Header */
# define SMFIC_MAIL 'M' /* MAIL from */
# define SMFIC_EOH 'N' /* EOH */
# define SMFIC_OPTNEG 'O' /* Option negotiation */
# define SMFIC_QUIT 'Q' /* QUIT */
# define SMFIC_RCPT 'R' /* RCPT to */
/* actions (replies) */
# define SMFIR_ADDRCPT '+' /* add recipient */
# define SMFIR_DELRCPT '-' /* remove recipient */
# define SMFIR_ACCEPT 'a' /* accept */
# define SMFIR_REPLBODY 'b' /* replace body (chunk) */
# define SMFIR_CONTINUE 'c' /* continue */
# define SMFIR_DISCARD 'd' /* discard */
# define SMFIR_CHGHEADER 'm' /* change header */
# define SMFIR_PROGRESS 'p' /* progress */
# define SMFIR_REJECT 'r' /* reject */
# define SMFIR_TEMPFAIL 't' /* tempfail */
# define SMFIR_ADDHEADER 'h' /* add header */
# define SMFIR_REPLYCODE 'y' /* reply code etc */
/* What the MTA can send/filter wants in protocol */
# define SMFIP_NOCONNECT 0x00000001L /* MTA should not send connect info */
# define SMFIP_NOHELO 0x00000002L /* MTA should not send HELO info */
# define SMFIP_NOMAIL 0x00000004L /* MTA should not send MAIL info */
# define SMFIP_NORCPT 0x00000008L /* MTA should not send RCPT info */
# define SMFIP_NOBODY 0x00000010L /* MTA should not send body */
# define SMFIP_NOHDRS 0x00000020L /* MTA should not send headers */
# define SMFIP_NOEOH 0x00000040L /* MTA should not send EOH */
# define SMFI_V1_PROT 0x0000003FL /* The protocol of V1 filter */
# define SMFI_V2_PROT 0x0000007FL /* The protocol of V2 filter */
# define SMFI_CURR_PROT SMFI_V2_PROT /* The current version */
/* socket and thread portability */
# include <pthread.h>
typedef pthread_t sthread_t;
typedef int socket_t;
# define MAX_MACROS_ENTRIES 4 /* max size of macro pointer array */
/*
** context for milter
** implementation hint:
** macros are stored in mac_buf[] as sequence of:
** macro_name \0 macro_value
** (just as read from the MTA)
** mac_ptr is a list of pointers into mac_buf to the beginning of each
** entry, i.e., macro_name, macro_value, ...
*/
struct smfi_str
{
sthread_t ctx_id; /* thread id */
socket_t ctx_sd; /* socket descriptor */
int ctx_dbg; /* debug level */
time_t ctx_timeout; /* timeout */
int ctx_state; /* state */
smfiDesc_ptr ctx_smfi; /* filter description */
u_long ctx_pflags; /* protocol flags */
char **ctx_mac_ptr[MAX_MACROS_ENTRIES];
char *ctx_mac_buf[MAX_MACROS_ENTRIES];
char *ctx_reply; /* reply code */
void *ctx_privdata; /* private data */
};
#endif /* !_LIBMILTER_MILTER_H */
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