2 * Copyright (c) 1999-2007 Sendmail, Inc. and its suppliers.
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.
10 * $Id: mfdef.h,v 8.39 2009/11/06 00:57:08 ca Exp $
14 * mfdef.h -- Global definitions for mail filter and MTA.
17 #ifndef _LIBMILTER_MFDEF_H
18 #define _LIBMILTER_MFDEF_H
24 #ifndef SMFI_PROT_VERSION
25 #define SMFI_PROT_VERSION 6 /* MTA - libmilter protocol version */
26 #endif /* SMFI_PROT_VERSION */
28 /* Shared protocol constants */
29 #define MILTER_LEN_BYTES 4 /* length of 32 bit integer in bytes */
30 #define MILTER_OPTLEN (MILTER_LEN_BYTES * 3) /* length of options */
31 #define MILTER_CHUNK_SIZE 65535 /* body chunk size */
32 #define MILTER_MAX_DATA_SIZE 65535 /* default milter command data limit */
34 #if _FFR_MDS_NEGOTIATE
35 #define MILTER_MDS_64K ((64 * 1024) - 1)
36 #define MILTER_MDS_256K ((256 * 1024) - 1)
37 #define MILTER_MDS_1M ((1024 * 1024) - 1)
38 #endif /* _FFR_MDS_NEGOTIATE */
40 /* These apply to SMFIF_* flags */
41 #define SMFI_V1_ACTS 0x0000000FL /* The actions of V1 filter */
42 #define SMFI_V2_ACTS 0x0000003FL /* The actions of V2 filter */
43 #define SMFI_CURR_ACTS 0x000001FFL /* actions of current version */
45 /* address families */
46 #define SMFIA_UNKNOWN 'U' /* unknown */
47 #define SMFIA_UNIX 'L' /* unix/local */
48 #define SMFIA_INET '4' /* inet */
49 #define SMFIA_INET6 '6' /* inet6 */
51 /* commands: don't use anything smaller than ' ' */
52 #define SMFIC_ABORT 'A' /* Abort */
53 #define SMFIC_BODY 'B' /* Body chunk */
54 #define SMFIC_CONNECT 'C' /* Connection information */
55 #define SMFIC_MACRO 'D' /* Define macro */
56 #define SMFIC_BODYEOB 'E' /* final body chunk (End) */
57 #define SMFIC_HELO 'H' /* HELO/EHLO */
58 #define SMFIC_QUIT_NC 'K' /* QUIT but new connection follows */
59 #define SMFIC_HEADER 'L' /* Header */
60 #define SMFIC_MAIL 'M' /* MAIL from */
61 #define SMFIC_EOH 'N' /* EOH */
62 #define SMFIC_OPTNEG 'O' /* Option negotiation */
63 #define SMFIC_QUIT 'Q' /* QUIT */
64 #define SMFIC_RCPT 'R' /* RCPT to */
65 #define SMFIC_DATA 'T' /* DATA */
66 #define SMFIC_UNKNOWN 'U' /* Any unknown command */
68 /* actions (replies) */
69 #define SMFIR_ADDRCPT '+' /* add recipient */
70 #define SMFIR_DELRCPT '-' /* remove recipient */
71 #define SMFIR_ADDRCPT_PAR '2' /* add recipient (incl. ESMTP args) */
72 #define SMFIR_SHUTDOWN '4' /* 421: shutdown (internal to MTA) */
73 #define SMFIR_ACCEPT 'a' /* accept */
74 #define SMFIR_REPLBODY 'b' /* replace body (chunk) */
75 #define SMFIR_CONTINUE 'c' /* continue */
76 #define SMFIR_DISCARD 'd' /* discard */
77 #define SMFIR_CHGFROM 'e' /* change envelope sender (from) */
78 #define SMFIR_CONN_FAIL 'f' /* cause a connection failure */
79 #define SMFIR_ADDHEADER 'h' /* add header */
80 #define SMFIR_INSHEADER 'i' /* insert header */
81 #define SMFIR_SETSYMLIST 'l' /* set list of symbols (macros) */
82 #define SMFIR_CHGHEADER 'm' /* change header */
83 #define SMFIR_PROGRESS 'p' /* progress */
84 #define SMFIR_QUARANTINE 'q' /* quarantine */
85 #define SMFIR_REJECT 'r' /* reject */
86 #define SMFIR_SKIP 's' /* skip */
87 #define SMFIR_TEMPFAIL 't' /* tempfail */
88 #define SMFIR_REPLYCODE 'y' /* reply code etc */
90 /* What the MTA can send/filter wants in protocol */
91 #define SMFIP_NOCONNECT 0x00000001L /* MTA should not send connect info */
92 #define SMFIP_NOHELO 0x00000002L /* MTA should not send HELO info */
93 #define SMFIP_NOMAIL 0x00000004L /* MTA should not send MAIL info */
94 #define SMFIP_NORCPT 0x00000008L /* MTA should not send RCPT info */
95 #define SMFIP_NOBODY 0x00000010L /* MTA should not send body */
96 #define SMFIP_NOHDRS 0x00000020L /* MTA should not send headers */
97 #define SMFIP_NOEOH 0x00000040L /* MTA should not send EOH */
98 #define SMFIP_NR_HDR 0x00000080L /* No reply for headers */
99 #define SMFIP_NOHREPL SMFIP_NR_HDR /* No reply for headers */
100 #define SMFIP_NOUNKNOWN 0x00000100L /* MTA should not send unknown commands */
101 #define SMFIP_NODATA 0x00000200L /* MTA should not send DATA */
102 #define SMFIP_SKIP 0x00000400L /* MTA understands SMFIS_SKIP */
103 #define SMFIP_RCPT_REJ 0x00000800L /* MTA should also send rejected RCPTs */
104 #define SMFIP_NR_CONN 0x00001000L /* No reply for connect */
105 #define SMFIP_NR_HELO 0x00002000L /* No reply for HELO */
106 #define SMFIP_NR_MAIL 0x00004000L /* No reply for MAIL */
107 #define SMFIP_NR_RCPT 0x00008000L /* No reply for RCPT */
108 #define SMFIP_NR_DATA 0x00010000L /* No reply for DATA */
109 #define SMFIP_NR_UNKN 0x00020000L /* No reply for UNKN */
110 #define SMFIP_NR_EOH 0x00040000L /* No reply for eoh */
111 #define SMFIP_NR_BODY 0x00080000L /* No reply for body chunk */
112 #define SMFIP_HDR_LEADSPC 0x00100000L /* header value leading space */
113 #define SMFIP_MDS_256K 0x10000000L /* MILTER_MAX_DATA_SIZE=256K */
114 #define SMFIP_MDS_1M 0x20000000L /* MILTER_MAX_DATA_SIZE=1M */
115 /* #define SMFIP_ 0x40000000L reserved: see SMFI_INTERNAL */
117 #define SMFI_V1_PROT 0x0000003FL /* The protocol of V1 filter */
118 #define SMFI_V2_PROT 0x0000007FL /* The protocol of V2 filter */
120 /* all defined protocol bits */
121 #define SMFI_CURR_PROT 0x001FFFFFL
123 /* internal flags: only used between MTA and libmilter */
124 #define SMFI_INTERNAL 0x70000000L
126 #if _FFR_MILTER_CHECK
127 #define SMFIP_TEST 0x80000000L
128 #endif /* _FFR_MILTER_CHECK */
134 #endif /* !_LIBMILTER_MFDEF_H */
