--- a/Makefile	Tue Jan 02 16:59:20 2007 +0000
+++ b/Makefile	Tue Jan 02 19:50:02 2007 +0000
@@ -1,8 +1,9 @@
 # $Id$
 # $URL$
+#
+PERL = $(shell which perl)
 
 exim = exim
-
 prefix = /usr/local
 sbindir = ${prefix}/sbin
 libdir = ${prefix}/share/${exim}
@@ -30,5 +31,6 @@
 
 .%.pl:	%.pl
 	@sed -e 's,@LIBDIR@,$(libdir),g' \
+	     -e	's,@PERL@,$(PERL),g' \
 	<$< >$@
 	@perl -c $@

--- a/debian/changelog	Tue Jan 02 16:59:20 2007 +0000
+++ b/debian/changelog	Tue Jan 02 19:50:02 2007 +0000
@@ -1,3 +1,9 @@
+exigrey (0.4-1) stable; urgency=low
+
+  * new upstream (DB_File instead of BerkeleyDB)
+
+ -- Heiko Schlittermann <hs@schlittermann.de>  Tue, 02 Jan 2007 20:49:13 +0100
+
 exigrey (0.3-1) stable; urgency=low
 
   * new upstream (--clean added)

--- a/debian/control	Tue Jan 02 16:59:20 2007 +0000
+++ b/debian/control	Tue Jan 02 19:50:02 2007 +0000
@@ -7,7 +7,7 @@
 
 Package: exigrey
 Architecture: all
-Depends: ${shlibs:Depends}, ${misc:Depends}, libberkeleydb-perl
+Depends: ${shlibs:Depends}, ${misc:Depends}
 Suggests: exim4
 Description: greylist implementation for exim (perl)
  Yet another greylist implementation for exim, using Exims

--- a/exigrey.pl	Tue Jan 02 16:59:20 2007 +0000
+++ b/exigrey.pl	Tue Jan 02 19:50:02 2007 +0000
@@ -1,4 +1,4 @@
-#! /usr/bin/perl
+#! @PERL@
 # © 2006,2007 Heiko Schlittermann <hs@schlittermann.de>
 # Quick and dirty. Absolutly no warranty. Not even for spelling ;-)
 # $Id$
@@ -25,7 +25,9 @@
 use FindBin qw/$Bin/;
 use POSIX qw/strftime mktime/;
 
-do "@LIBDIR@/exigrey.pl" or die;
+do "@LIBDIR@/exigrey.pl" 
+    or do "./exim-exigrey.pl" or die $!;
+
 my %DEFAULT = getDefault();
    $DEFAULT{days} = 7;
 
@@ -35,7 +37,6 @@
 my $opt_clean;
 
 sub iterate(\%$);
-sub connectDB(\%$);
 
 MAIN: {
 
@@ -54,7 +55,7 @@
 
     if ($opt_list) {
 	my %h;
-	connectDB(%h, shift || $DEFAULT{db});
+	connectDB(\%h, shift || $DEFAULT{db});
 	iterate(%h, sub {
 	    my ($item, $v0, $v1, $dv) = @_;
 	    printf "%-16s:\t$v0 $v1 (%3ds %s %s)\n", 
@@ -67,7 +68,7 @@
 
     if ($opt_stats) {
 	my %h;
-	my $db = connectDB(%h, shift || $DEFAULT{db});
+	my $db = connectDB(\%h, shift || $DEFAULT{db});
 
 	my ($seen, $returned, $oldest);
 	$oldest = time();
@@ -102,7 +103,7 @@
 	my $cut = time() - ($days * 86400);
 	my $tmp = tmpfile();
 
-	$db = connectDB(%h, $db);
+	$db = connectDB(\%h, $db);
 	iterate(%h, sub {
 	    my ($item, $v0, $v1, $dv) = @_;
 	    print $tmp $item if $v1 <= $cut;
@@ -130,11 +131,5 @@
     }
 }
 
-sub connectDB(\%$) {
-    my ($h, $db) = @_;
-    $db = getDBDir() ."/$db" unless $db =~ /^\//;
-    tie %$h, "BerkeleyDB::Hash", -Filename => $db or die;
-    return $db;
-}
 
 # vim:ft=perl aw sts=4 sw=4:

--- a/exim-exigrey.pl	Tue Jan 02 16:59:20 2007 +0000
+++ b/exim-exigrey.pl	Tue Jan 02 19:50:02 2007 +0000
@@ -4,7 +4,14 @@
 
 use strict;
 use warnings;
-use BerkeleyDB;
+use Carp;
+
+# You may choose, but DB_File's footprint is smaller.
+# perl -MDB_File -e 'tie %h, ...':	real    0m0.063s
+# perl -MBerkeleyDB -e 'tie %h, ...':	real	0m0.112s
+# And DB_File is part of the Perl core distribution (?)
+# use BerkeleyDB;
+use DB_File;
 
 my %DEFAULT = (
 	delay => 600,
@@ -13,8 +20,10 @@
 
 sub unseen($;$$);
 
+# some helper functions
 sub getDBDir();
 sub findExim(;$);
+sub connectDB($$);
 sub getDefault() { %DEFAULT };
 
 # Usage:
@@ -33,19 +42,10 @@
 		$db = $DEFAULT{db} unless defined $db;
 
 	my $now = time();
-	my $umask;
 	my $rc;
 
-	$db = getDBDir() . "/$db" unless $db =~ /^\//;
-
-	$umask = umask 0077 if !-f $db;
-
-	my %h; tie %h, "BerkeleyDB::Hash", 
-		-Filename => $db,
-		-Flags => DB_CREATE
-	or die;
-
-	umask $umask if defined $umask;
+	my %h; 
+	$db = connectDB(\%h, $db || $DEFAULT{db});
 
 	if (not exists $h{$item}) {
 		$h{$item} = "$now $now\0";
@@ -83,9 +83,31 @@
 		-x ($exim = "$_/exim") and return $exim;
 		-x ($exim = "$_/exim4") and return $exim;
 	}
-	return undef;
+	die "Can't find exim binary (missing .../sbin dirs in PATH?";
 }
 
+sub connectDB($$) {
+    my ($h, $db) = @_;
+    $db = getDBDir() ."/$db" unless $db =~ /^\//;
+
+    if (exists &BerkeleyDB::Hash::TIEHASH) {
+	no strict;
+	my $umask = umask 077;
+	tie %$h, "BerkeleyDB::Hash", 
+	    -Filename => $db,
+	    -Flags => DB_CREATE
+	or die "$0: $db: $!";
+	return $db;
+    }
+
+    if (exists &DB_File::TIEHASH) {
+	tie %$h, "DB_File", $db, undef, 0600
+	or die "$0: $db: $!";
+	return $db;
+    }
+
+    die "Can't connect to database driver";
+}
 1;
 
 # vim:aw: