1/*
2 * Copyright (c) 1999-2004 Sendmail, Inc. and its suppliers.
3 * All rights reserved.
4 *
5 * By using this file, you agree to the terms and conditions set
6 * forth in the LICENSE file which can be found at the top level of
7 * the sendmail distribution.
8 *
9 *
10 * $Id: mfdef.h,v 8.21 2004/07/07 21:41:31 ca Exp $
11 */
12
13/*
14** mfdef.h -- Global definitions for mail filter and MTA.
15*/
16
17#ifndef _LIBMILTER_MFDEF_H
18# define _LIBMILTER_MFDEF_H 1
19
20/* Shared protocol constants */
21# define MILTER_LEN_BYTES 4 /* length of 32 bit integer in bytes */
22# define MILTER_OPTLEN (MILTER_LEN_BYTES * 3) /* length of options */
23# define MILTER_CHUNK_SIZE 65535 /* body chunk size */
24# define MILTER_MAX_DATA_SIZE 65535 /* default milter command data limit */
25
26/* These apply to SMFIF_* flags */
27#define SMFI_V1_ACTS 0x0000000FL /* The actions of V1 filter */
28#define SMFI_V2_ACTS 0x0000003FL /* The actions of V2 filter */
29#define SMFI_CURR_ACTS SMFI_V2_ACTS /* The current version */
30
31/* address families */
32# define SMFIA_UNKNOWN 'U' /* unknown */
33# define SMFIA_UNIX 'L' /* unix/local */
34# define SMFIA_INET '4' /* inet */
35# define SMFIA_INET6 '6' /* inet6 */
36
37/* commands: don't use anything smaller than ' ' */
38# define SMFIC_ABORT 'A' /* Abort */
39# define SMFIC_BODY 'B' /* Body chunk */
40# define SMFIC_CONNECT 'C' /* Connection information */
41# define SMFIC_MACRO 'D' /* Define macro */
42# define SMFIC_BODYEOB 'E' /* final body chunk (End) */
43# define SMFIC_HELO 'H' /* HELO/EHLO */
44# define SMFIC_HEADER 'L' /* Header */
45# define SMFIC_MAIL 'M' /* MAIL from */
46# define SMFIC_EOH 'N' /* EOH */
47# define SMFIC_OPTNEG 'O' /* Option negotiation */
48# define SMFIC_QUIT 'Q' /* QUIT */
49# define SMFIC_RCPT 'R' /* RCPT to */
50# if SMFI_VERSION > 3
51# define SMFIC_DATA 'T' /* DATA */
52# endif /* SMFI_VERSION > 3 */
53# if SMFI_VERSION > 2
54# define SMFIC_UNKNOWN 'U' /* Any unknown command */
55# endif /* SMFI_VERSION > 2 */
56
57/* actions (replies) */
58# define SMFIR_ADDRCPT '+' /* add recipient */
59# define SMFIR_DELRCPT '-' /* remove recipient */
60# define SMFIR_ACCEPT 'a' /* accept */
61# define SMFIR_REPLBODY 'b' /* replace body (chunk) */
62# define SMFIR_CONTINUE 'c' /* continue */
63# define SMFIR_DISCARD 'd' /* discard */
64# define SMFIR_CHGHEADER 'm' /* change header */
65# define SMFIR_PROGRESS 'p' /* progress */
66# define SMFIR_REJECT 'r' /* reject */
67# define SMFIR_TEMPFAIL 't' /* tempfail */
68# define SMFIR_SHUTDOWN '4' /* 421: shutdown (internal to MTA) */
69# define SMFIR_ADDHEADER 'h' /* add header */
70# define SMFIR_INSHEADER 'i' /* insert header */
71# define SMFIR_REPLYCODE 'y' /* reply code etc */
72# define SMFIR_QUARANTINE 'q' /* quarantine */
73
74/* What the MTA can send/filter wants in protocol */
75# define SMFIP_NOCONNECT 0x00000001L /* MTA should not send connect info */
76# define SMFIP_NOHELO 0x00000002L /* MTA should not send HELO info */
77# define SMFIP_NOMAIL 0x00000004L /* MTA should not send MAIL info */
78# define SMFIP_NORCPT 0x00000008L /* MTA should not send RCPT info */
79# define SMFIP_NOBODY 0x00000010L /* MTA should not send body */
80# define SMFIP_NOHDRS 0x00000020L /* MTA should not send headers */
81# define SMFIP_NOEOH 0x00000040L /* MTA should not send EOH */
82# if _FFR_MILTER_NOHDR_RESP
83# define SMFIP_NOHREPL 0x00000080L /* No reply for headers */
84# endif /* _FFR_MILTER_NOHDR_RESP */
85
86# define SMFI_V1_PROT 0x0000003FL /* The protocol of V1 filter */
87# define SMFI_V2_PROT 0x0000007FL /* The protocol of V2 filter */
88# if _FFR_MILTER_NOHDR_RESP
89# define SMFI_CURR_PROT 0x000000FFL /* The current version */
90# else /* _FFR_MILTER_NOHDR_RESP */
91# define SMFI_CURR_PROT SMFI_V2_PROT /* The current version */
92# endif /* _FFR_MILTER_NOHDR_RESP */
93
94#endif /* !_LIBMILTER_MFDEF_H */