1divert(-1)
2#
3# Copyright (c) 2000-2002, 2005-2007 Sendmail, Inc. and its suppliers.
4#	All rights reserved.
5#
6# By using this file, you agree to the terms and conditions set
7# forth in the LICENSE file which can be found at the top level of
8# the sendmail distribution.
9#
10# ident	"%Z%%M%	%I%	%E% SMI"
11#
12
13ifelse(defn(`_ARG_'), `',
14	`errprint(`*** ERROR: missing argument for FEATURE(`enhdnsbl')')')
15divert(0)
16ifdef(`_EDNSBL_R_',`dnl',`dnl
17VERSIONID(`$Id: enhdnsbl.m4,v 1.12 2007/01/08 18:22:05 ca Exp $')
18LOCAL_CONFIG
19define(`_EDNSBL_R_',`')dnl
20# map for enhanced DNS based blacklist lookups
21Kednsbl dns -R A -a. -T<TMP> -r`'ifdef(`EDNSBL_TO',`EDNSBL_TO',`5')
22')
23divert(-1)
24define(`_EDNSBL_SRV_', `_ARG_')dnl
25define(`_EDNSBL_MSG_',
26	`ifelse(len(X`'_ARG2_),`1',`"550 Rejected: " $`'&{client_addr} " listed at '_EDNSBL_SRV_`"',
27		X`'_ARG2_,`Xquarantine',`_EDNSBL_SRV_',
28		`_ARG2_')')dnl
29define(`_EDNSBL_MSG_TMP_', `ifelse(_ARG3_,`t',`"451 Temporary lookup failure of " $`'&{client_addr} " at '_EDNSBL_SRV_`"',`_ARG3_')')dnl
30define(`_EDNSBL_MATCH_', `ifelse(len(X`'_ARG4_),`1',`$`'+',_ARG4_)')dnl
31define(`_EDNSBL_ACTION_',
32	`ifelse(X`'_ARG2_,`Xquarantine',`$`'#error $`'@ quarantine',
33		X`'_ARG2_,`Xdiscard',`$`'#discard',
34		`$`'#error $`'@ 5.7.1')')dnl
35divert(8)
36# DNS based IP address spam list _EDNSBL_SRV_
37R$*			$: $&{client_addr}
38R$-.$-.$-.$-		$: <?> $(ednsbl $4.$3.$2.$1._EDNSBL_SRV_. $: OK $)
39R<?>OK			$: OKSOFAR
40ifelse(len(X`'_ARG3_),`1',
41`R<?>$+<TMP>		$: TMPOK',
42`R<?>$+<TMP>		$#error $@ 4.4.3 $: _EDNSBL_MSG_TMP_')
43R<?>_EDNSBL_MATCH_	_EDNSBL_ACTION_ $: _EDNSBL_MSG_
44ifelse(len(X`'_ARG5_),`1',`dnl',
45`R<?>_ARG5_		_EDNSBL_ACTION_ $: _EDNSBL_MSG_')
46ifelse(len(X`'_ARG6_),`1',`dnl',
47`R<?>_ARG6_		_EDNSBL_ACTION_ $: _EDNSBL_MSG_')
48ifelse(len(X`'_ARG7_),`1',`dnl',
49`R<?>_ARG7_		_EDNSBL_ACTION_ $: _EDNSBL_MSG_')
50ifelse(len(X`'_ARG8_),`1',`dnl',
51`R<?>_ARG8_		_EDNSBL_ACTION_ $: _EDNSBL_MSG_')
52ifelse(len(X`'_ARG9_),`1',`dnl',
53`R<?>_ARG9_		_EDNSBL_ACTION_ $: _EDNSBL_MSG_')
54divert(-1)
55