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 /* SMFI_PROT_VERSION */ 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 /* _FFR_MILTER_CHECK */ 125 126 #endif /* !_LIBMILTER_MFDEF_H */ 127