1/* 2 * Copyright (c) 1999-2007 Proofpoint, 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 8.40 2013-11-22 20:51:27 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#ifndef SMFI_PROT_VERSION 21# define SMFI_PROT_VERSION 6 /* MTA - libmilter protocol version */ 22#endif 23 24/* Shared protocol constants */ 25#define MILTER_LEN_BYTES 4 /* length of 32 bit integer in bytes */ 26#define MILTER_OPTLEN (MILTER_LEN_BYTES * 3) /* length of options */ 27#define MILTER_CHUNK_SIZE 65535 /* body chunk size */ 28#define MILTER_MAX_DATA_SIZE 65535 /* default milter command data limit */ 29 30#if _FFR_MDS_NEGOTIATE 31# define MILTER_MDS_64K ((64 * 1024) - 1) 32# define MILTER_MDS_256K ((256 * 1024) - 1) 33# define MILTER_MDS_1M ((1024 * 1024) - 1) 34#endif /* _FFR_MDS_NEGOTIATE */ 35 36/* These apply to SMFIF_* flags */ 37#define SMFI_V1_ACTS 0x0000000FL /* The actions of V1 filter */ 38#define SMFI_V2_ACTS 0x0000003FL /* The actions of V2 filter */ 39#define SMFI_CURR_ACTS 0x000001FFL /* actions of current version */ 40 41/* address families */ 42#define SMFIA_UNKNOWN 'U' /* unknown */ 43#define SMFIA_UNIX 'L' /* unix/local */ 44#define SMFIA_INET '4' /* inet */ 45#define SMFIA_INET6 '6' /* inet6 */ 46 47/* commands: don't use anything smaller than ' ' */ 48#define SMFIC_ABORT 'A' /* Abort */ 49#define SMFIC_BODY 'B' /* Body chunk */ 50#define SMFIC_CONNECT 'C' /* Connection information */ 51#define SMFIC_MACRO 'D' /* Define macro */ 52#define SMFIC_BODYEOB 'E' /* final body chunk (End) */ 53#define SMFIC_HELO 'H' /* HELO/EHLO */ 54#define SMFIC_QUIT_NC 'K' /* QUIT but new connection follows */ 55#define SMFIC_HEADER 'L' /* Header */ 56#define SMFIC_MAIL 'M' /* MAIL from */ 57#define SMFIC_EOH 'N' /* EOH */ 58#define SMFIC_OPTNEG 'O' /* Option negotiation */ 59#define SMFIC_QUIT 'Q' /* QUIT */ 60#define SMFIC_RCPT 'R' /* RCPT to */ 61#define SMFIC_DATA 'T' /* DATA */ 62#define SMFIC_UNKNOWN 'U' /* Any unknown command */ 63 64/* actions (replies) */ 65#define SMFIR_ADDRCPT '+' /* add recipient */ 66#define SMFIR_DELRCPT '-' /* remove recipient */ 67#define SMFIR_ADDRCPT_PAR '2' /* add recipient (incl. ESMTP args) */ 68#define SMFIR_SHUTDOWN '4' /* 421: shutdown (internal to MTA) */ 69#define SMFIR_ACCEPT 'a' /* accept */ 70#define SMFIR_REPLBODY 'b' /* replace body (chunk) */ 71#define SMFIR_CONTINUE 'c' /* continue */ 72#define SMFIR_DISCARD 'd' /* discard */ 73#define SMFIR_CHGFROM 'e' /* change envelope sender (from) */ 74#define SMFIR_CONN_FAIL 'f' /* cause a connection failure */ 75#define SMFIR_ADDHEADER 'h' /* add header */ 76#define SMFIR_INSHEADER 'i' /* insert header */ 77#define SMFIR_SETSYMLIST 'l' /* set list of symbols (macros) */ 78#define SMFIR_CHGHEADER 'm' /* change header */ 79#define SMFIR_PROGRESS 'p' /* progress */ 80#define SMFIR_QUARANTINE 'q' /* quarantine */ 81#define SMFIR_REJECT 'r' /* reject */ 82#define SMFIR_SKIP 's' /* skip */ 83#define SMFIR_TEMPFAIL 't' /* tempfail */ 84#define SMFIR_REPLYCODE 'y' /* reply code etc */ 85 86/* What the MTA can send/filter wants in protocol */ 87#define SMFIP_NOCONNECT 0x00000001L /* MTA should not send connect info */ 88#define SMFIP_NOHELO 0x00000002L /* MTA should not send HELO info */ 89#define SMFIP_NOMAIL 0x00000004L /* MTA should not send MAIL info */ 90#define SMFIP_NORCPT 0x00000008L /* MTA should not send RCPT info */ 91#define SMFIP_NOBODY 0x00000010L /* MTA should not send body */ 92#define SMFIP_NOHDRS 0x00000020L /* MTA should not send headers */ 93#define SMFIP_NOEOH 0x00000040L /* MTA should not send EOH */ 94#define SMFIP_NR_HDR 0x00000080L /* No reply for headers */ 95#define SMFIP_NOHREPL SMFIP_NR_HDR /* No reply for headers */ 96#define SMFIP_NOUNKNOWN 0x00000100L /* MTA should not send unknown commands */ 97#define SMFIP_NODATA 0x00000200L /* MTA should not send DATA */ 98#define SMFIP_SKIP 0x00000400L /* MTA understands SMFIS_SKIP */ 99#define SMFIP_RCPT_REJ 0x00000800L /* MTA should also send rejected RCPTs */ 100#define SMFIP_NR_CONN 0x00001000L /* No reply for connect */ 101#define SMFIP_NR_HELO 0x00002000L /* No reply for HELO */ 102#define SMFIP_NR_MAIL 0x00004000L /* No reply for MAIL */ 103#define SMFIP_NR_RCPT 0x00008000L /* No reply for RCPT */ 104#define SMFIP_NR_DATA 0x00010000L /* No reply for DATA */ 105#define SMFIP_NR_UNKN 0x00020000L /* No reply for UNKN */ 106#define SMFIP_NR_EOH 0x00040000L /* No reply for eoh */ 107#define SMFIP_NR_BODY 0x00080000L /* No reply for body chunk */ 108#define SMFIP_HDR_LEADSPC 0x00100000L /* header value leading space */ 109#define SMFIP_MDS_256K 0x10000000L /* MILTER_MAX_DATA_SIZE=256K */ 110#define SMFIP_MDS_1M 0x20000000L /* MILTER_MAX_DATA_SIZE=1M */ 111/* #define SMFIP_ 0x40000000L reserved: see SMFI_INTERNAL*/ 112 113#define SMFI_V1_PROT 0x0000003FL /* The protocol of V1 filter */ 114#define SMFI_V2_PROT 0x0000007FL /* The protocol of V2 filter */ 115 116/* all defined protocol bits */ 117#define SMFI_CURR_PROT 0x001FFFFFL 118 119/* internal flags: only used between MTA and libmilter */ 120#define SMFI_INTERNAL 0x70000000L 121 122#if _FFR_MILTER_CHECK 123# define SMFIP_TEST 0x80000000L 124#endif 125 126#endif /* !_LIBMILTER_MFDEF_H */ 127