108 lines
3.7 KiB
C
108 lines
3.7 KiB
C
/*
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* Copyright (c) 1999-2001 Sendmail, Inc. and its suppliers.
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* All rights reserved.
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*
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* By using this file, you agree to the terms and conditions set
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* forth in the LICENSE file which can be found at the top level of
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* the sendmail distribution.
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*
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*
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* $Id: milter.h,v 8.24.16.10 2001/07/20 04:19:35 gshapiro Exp $
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*/
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/*
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** MILTER.H -- Global definitions for mail filter and MTA.
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*/
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#ifndef _LIBMILTER_MILTER_H
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# define _LIBMILTER_MILTER_H 1
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#include "libmilter/mfapi.h"
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#include "sendmail.h"
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/* Shared protocol constants */
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# define MILTER_LEN_BYTES 4 /* length of 32 bit integer in bytes */
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# define MILTER_OPTLEN (MILTER_LEN_BYTES * 3) /* length of options */
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# define MILTER_CHUNK_SIZE 65535 /* body chunk size */
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/* address families */
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# define SMFIA_UNKNOWN 'U' /* unknown */
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# define SMFIA_UNIX 'L' /* unix/local */
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# define SMFIA_INET '4' /* inet */
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# define SMFIA_INET6 '6' /* inet6 */
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/* commands: don't use anything smaller than ' ' */
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# define SMFIC_ABORT 'A' /* Abort */
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# define SMFIC_BODY 'B' /* Body chunk */
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# define SMFIC_CONNECT 'C' /* Connection information */
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# define SMFIC_MACRO 'D' /* Define macro */
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# define SMFIC_BODYEOB 'E' /* final body chunk (End) */
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# define SMFIC_HELO 'H' /* HELO/EHLO */
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# define SMFIC_HEADER 'L' /* Header */
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# define SMFIC_MAIL 'M' /* MAIL from */
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# define SMFIC_EOH 'N' /* EOH */
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# define SMFIC_OPTNEG 'O' /* Option negotiation */
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# define SMFIC_QUIT 'Q' /* QUIT */
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# define SMFIC_RCPT 'R' /* RCPT to */
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/* actions (replies) */
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# define SMFIR_ADDRCPT '+' /* add recipient */
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# define SMFIR_DELRCPT '-' /* remove recipient */
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# define SMFIR_ACCEPT 'a' /* accept */
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# define SMFIR_REPLBODY 'b' /* replace body (chunk) */
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# define SMFIR_CONTINUE 'c' /* continue */
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# define SMFIR_DISCARD 'd' /* discard */
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# define SMFIR_CHGHEADER 'm' /* change header */
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# define SMFIR_PROGRESS 'p' /* progress */
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# define SMFIR_REJECT 'r' /* reject */
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# define SMFIR_TEMPFAIL 't' /* tempfail */
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# define SMFIR_ADDHEADER 'h' /* add header */
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# define SMFIR_REPLYCODE 'y' /* reply code etc */
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/* What the MTA can send/filter wants in protocol */
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# define SMFIP_NOCONNECT 0x00000001L /* MTA should not send connect info */
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# define SMFIP_NOHELO 0x00000002L /* MTA should not send HELO info */
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# define SMFIP_NOMAIL 0x00000004L /* MTA should not send MAIL info */
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# define SMFIP_NORCPT 0x00000008L /* MTA should not send RCPT info */
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# define SMFIP_NOBODY 0x00000010L /* MTA should not send body */
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# define SMFIP_NOHDRS 0x00000020L /* MTA should not send headers */
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# define SMFIP_NOEOH 0x00000040L /* MTA should not send EOH */
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# define SMFI_V1_PROT 0x0000003FL /* The protocol of V1 filter */
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# define SMFI_V2_PROT 0x0000007FL /* The protocol of V2 filter */
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# define SMFI_CURR_PROT SMFI_V2_PROT /* The current version */
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/* socket and thread portability */
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# include <pthread.h>
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typedef pthread_t sthread_t;
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typedef int socket_t;
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# define MAX_MACROS_ENTRIES 4 /* max size of macro pointer array */
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/*
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** context for milter
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** implementation hint:
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** macros are stored in mac_buf[] as sequence of:
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** macro_name \0 macro_value
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** (just as read from the MTA)
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** mac_ptr is a list of pointers into mac_buf to the beginning of each
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** entry, i.e., macro_name, macro_value, ...
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*/
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struct smfi_str
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{
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sthread_t ctx_id; /* thread id */
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socket_t ctx_sd; /* socket descriptor */
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int ctx_dbg; /* debug level */
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time_t ctx_timeout; /* timeout */
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int ctx_state; /* state */
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smfiDesc_ptr ctx_smfi; /* filter description */
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u_long ctx_pflags; /* protocol flags */
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char **ctx_mac_ptr[MAX_MACROS_ENTRIES];
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char *ctx_mac_buf[MAX_MACROS_ENTRIES];
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char *ctx_reply; /* reply code */
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void *ctx_privdata; /* private data */
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};
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#endif /* !_LIBMILTER_MILTER_H */
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