calendar nao-pon/blog/2008.04

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#!/usr/bin/perl
#
# spf_rcpt.pl based on xm-spf.pl by nao-pon (hypweb.net)
#
# xm-spf.pl by Davide Libenzi ( XMail Perl filter for SPF )
# Copyright (C) 2004  Davide Libenzi
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
#
# Davide Libenzi <davidel@xmailserver.org>
#
 
use strict;
use Mail::SPF::Query;
 
my $opt_file = undef;
my $opt_ip = undef;
my $opt_sender = undef;
my $opt_helo = undef;
my $opt_rcpt_to = undef;
my $opt_local = undef;
my $opt_trusted = undef;
my $opt_guess = undef;
my $opt_exp = undef;
my $opt_max_lookup = undef;
my $opt_sanitize = undef;
my $opt_name = "spfquery";
my $opt_debug = 0;
my $opt_keep_comments = 0;
my $opt_fallback = undef;
my $opt_override = undef;
my $opt_dns = undef;
my $opt_help = undef;
my $opt_pcode = 0;
my $opt_fcode = 3;
my @opt_bypass = ();
 
push(@opt_bypass, "^127\\.0\\.0\\.1\$");
my $mid;
my $opt_tmp = undef;
my $i;
 
for ($i = 0; $i <= $#ARGV; $i++) {
    if ($ARGV[$i] eq "--file") {
        if (++$i <= $#ARGV) {
            $opt_file = $ARGV[$i];
        }
    } elsif ($ARGV[$i] eq "--tmp") {
        if (++$i <= $#ARGV) {
            $opt_tmp = $ARGV[$i];
        }
    } elsif ($ARGV[$i] eq "--ip") {
        if (++$i <= $#ARGV) {
            $opt_ip = $ARGV[$i];
        }
    } elsif ($ARGV[$i] eq "--sender") {
        if (++$i <= $#ARGV) {
            $opt_sender = $ARGV[$i];
        }
    } elsif ($ARGV[$i] eq "--helo") {
        if (++$i <= $#ARGV) {
            $opt_helo = $ARGV[$i];
        }
    } elsif ($ARGV[$i] eq "--rcpt-to") {
        if (++$i <= $#ARGV) {
            $opt_rcpt_to = $ARGV[$i];
        }
    } elsif ($ARGV[$i] eq "--debug") {
        if (++$i <= $#ARGV) {
            $opt_debug = int($ARGV[$i]);
        }
    } elsif ($ARGV[$i] eq "--local") {
        if (++$i <= $#ARGV) {
            $opt_local = $ARGV[$i];
        }
    } elsif ($ARGV[$i] eq "--trusted") {
        if (++$i <= $#ARGV) {
            $opt_trusted = $ARGV[$i];
        }
    } elsif ($ARGV[$i] eq "--guess") {
        if (++$i <= $#ARGV) {
            $opt_guess = $ARGV[$i];
        }
    } elsif ($ARGV[$i] eq "--expl") {
        if (++$i <= $#ARGV) {
            $opt_exp = $ARGV[$i];
        }
    } elsif ($ARGV[$i] eq "--max-lookup") {
        if (++$i <= $#ARGV) {
            $opt_max_lookup = $ARGV[$i];
        }
    } elsif ($ARGV[$i] eq "--sanitize") {
        if (++$i <= $#ARGV) {
            $opt_sanitize = $ARGV[$i];
        }
    } elsif ($ARGV[$i] eq "--name") {
        if (++$i <= $#ARGV) {
            $opt_name = $ARGV[$i];
        }
    } elsif ($ARGV[$i] eq "--fallback") {
        if (++$i <= $#ARGV) {
            $opt_fallback = $ARGV[$i];
        }
    } elsif ($ARGV[$i] eq "--override") {
        if (++$i <= $#ARGV) {
            $opt_override = $ARGV[$i];
        }
    } elsif ($ARGV[$i] eq "--dns") {
        if (++$i <= $#ARGV) {
            $opt_dns = $ARGV[$i];
        }
    } elsif ($ARGV[$i] eq "--pcode") {
        if (++$i <= $#ARGV) {
            $opt_pcode = $ARGV[$i];
        }
    } elsif ($ARGV[$i] eq "--fcode") {
        if (++$i <= $#ARGV) {
            $opt_fcode = $ARGV[$i];
        }
    } elsif ($ARGV[$i] eq "--bypass") {
        if (++$i <= $#ARGV) {
            push(@opt_bypass, $ARGV[$i]);
        }
    } elsif ($ARGV[$i] eq "--help") {
        $opt_help = 1;
    }
}
 
if ($opt_help) {
    exit($opt_pcode);
}
 
if (defined($opt_file)) {
 
    my $ln;
    my @hvars;
 
    if (!open(MFIL, "$opt_file")) {
        print STDERR "unable to open ${opt_file}\n";
        exit($opt_pcode);
    }
# Read message info
    $ln = <MFIL>;
    chomp($ln);
    @hvars = split(/;/, $ln);
# Discard SMTP domain
    $ln = <MFIL>;
# Discard message ID
    $mid = <MFIL>;
    chomp($mid);
# Read MAIL FROM
    $ln = <MFIL>;
    chomp($ln);
    close(MFIL);
# Handle both cases of early message file and spool file
    ($opt_sender = $ln) =~ s/[^<]+<([^>]*)>.*/$1/;
    if ($#hvars > 3) {
        $opt_helo = $hvars[0];
        ($opt_ip = $hvars[1]) =~ s/\[([^:]+)\]:[0-9]+/$1/;
    } else {
        ($opt_ip = $hvars[0]) =~ s/\[([^:]+)\]:[0-9]+/$1/;
    }
}
 
if (!defined($opt_helo) && ($opt_sender =~ /\@/)) {
    ($opt_helo = $opt_sender) =~ s/.*\@(.*)/$1/;
}
 
my $reg;
for ($i = 0; $i <= $#opt_bypass; $i++) {
    $reg = $opt_bypass[$i];
    if ($opt_ip =~ /$reg/) {
        if ($opt_debug) {
            print "whitelist ip ${opt_ip}\n";
        }
        exit($opt_pcode);
    }
}
 
my $query = new Mail::SPF::Query(ipv4       => $opt_ip,
                 sender     => $opt_sender,
                 helo       => $opt_helo,
                 local      => $opt_local,
                 trusted    => $opt_trusted,
                 guess      => $opt_guess,
                 default_explanation => $opt_exp,
                 max_lookup => $opt_max_lookup,
                 sanitize   => $opt_sanitize,
                 myhostname => $opt_name,
                 fallback   => $opt_fallback,
                 override   => $opt_override,
                 debug      => $opt_debug,
                 );
my ($result, $smtp_comment, $header_comment, $spf_record, $detail) = $query->result();
my $rcode = ($result eq "fail") ? $opt_fcode: $opt_pcode;
 
if (defined($opt_file)) {
    if ($rcode eq 0) {
        if (defined($opt_tmp) && $mid){
            open(FILE,">${opt_tmp}/${mid}.SPF");
                flock(FILE,2);
                print FILE "Received-SPF: ".$result." ( $header_comment )";
            close(FILE);
        }
    }
}
 
if ($opt_debug) {
    print $query->result . "\n";
    print $rcode;
}
 
exit($rcode);

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#!/usr/bin/perl
#
# spf_in.pl by nao-pon (hypweb.net)
# License: GPL
#
 
use strict;
 
my $file = $ARGV[0];
my $temp = $ARGV[1];
 
open(FILE, $file) || exit(0);
my @tmp = <FILE>;
close(FILE);
 
if (!@tmp) {exit(0);}
 
my @dat = ();
my $check = 0;
my $i = 0;
my $mid;
my $spf_file;
my $spf;
foreach(@tmp){
    $i++;
    chomp;
    if ($i eq 3) {
        $mid = $_;
    }
    if (!$check && /^<<MAIL\-DATA>>$/) {
        $check = 1;
        push(@dat, "$_\n");
        $spf_file = "${temp}/${mid}.SPF";
        open(FILE, $spf_file) || exit(0);
        $spf = <FILE>;
        close(FILE);
        unlink($spf_file);
        chomp($spf);
        push(@dat, "$spf\n");
        next;
    }
    push(@dat, "$_\n");
}
 
open(FILE,">$file");
    flock(FILE,2);
    print FILE @dat;
close(FILE);
 
exit(7);