postfix-policyd-spf-perl-1.08.1.1/0000755000175000017500000000000010551254051017043 5ustar kittermakittermapostfix-policyd-spf-perl-1.08.1.1/debian/0000755000175000017500000000000010551254055020271 5ustar kittermakittermapostfix-policyd-spf-perl-1.08.1.1/debian/README.Debian0000644000175000017500000000121610551246677022345 0ustar kittermakittermaInstalling ---------- 1. Add the following to /etc/postfix/master.cf: policy unix - n n - - spawn user=nobody argv=/usr/bin/perl /usr/lib/postfix/policyd-spf-perl 2. Configure the Postfix policy service in /etc/postfix/main.cf: smtpd_recipient_restrictions = ... reject_unauth_destination check_policy_service unix:private/policy ... NOTE: Specify check_policy_service AFTER reject_unauth_destination or else your system can become an open relay. 3. Restart Postfix. # $Id: README 167 2005-01-17 18:26:45Z julian $ # vim:tw=79 postfix-policyd-spf-perl-1.08.1.1/debian/changelog0000644000175000017500000000135410551246677022161 0ustar kittermakittermapostfix-policyd-spf-perl (1.08.1) unstable; urgency=low Debian: * New maintainer: Scott Kitterman * Priority: extra (was: optional) * Removed Build-Depends-Indep: perl, as there really is no need for it. * Depends: libversion-perl * Updated debian/copyright. postfix-policyd-spf-perl: * Minor and purely cosmetic code clean-up. Miscellaneous: * Updated README file with new website URL and copyright. * Added LICENSE file as an explicit copy of the GPLv2. -- Scott Kitterman Wed, 10 Jan 2007 21:00:00 +0000 postfix-policyd-spf-perl (1.08) unstable; urgency=low * Initial release as a Debian package. -- Julian Mehnle Sat, 17 Jun 2006 19:32:31 +0000 postfix-policyd-spf-perl-1.08.1.1/debian/control0000644000175000017500000000076510551246677021717 0ustar kittermakittermaSource: postfix-policyd-spf-perl Section: mail Priority: extra Maintainer: Scott Kitterman Build-Depends: debhelper (>= 5) Standards-Version: 3.7.2 Package: postfix-policyd-spf-perl Architecture: all Depends: libversion-perl, libmail-spf-query-perl Recommends: postfix Description: pure-Perl Postfix policy daemon for SPF checking postfix-policyd-spf-perl is a Postfix SMTPd policy daemon for SPF checking. It is implemented in pure Perl and uses the Mail::SPF::Query module. postfix-policyd-spf-perl-1.08.1.1/debian/compat0000644000175000017500000000000210551246677021502 0ustar kittermakitterma5 postfix-policyd-spf-perl-1.08.1.1/debian/copyright0000644000175000017500000000112510551246677022236 0ustar kittermakittermaThis is the Debian package for postfix-policyd-spf-perl, which is available from . (C) 2007 Scott Kitterman 2003-2004 Meng Weng Wong Contributions by various members of the SPF project Scott Kitterman is the maintainer of the Debian package. This is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License (version 2 or later). On Debian systems, the complete text of the GPL v2 can be found here: /usr/share/common-licenses/GPL-2 postfix-policyd-spf-perl-1.08.1.1/debian/rules0000755000175000017500000000161610551246677021370 0ustar kittermakitterma#!/usr/bin/make -f PACKAGE = $(shell dh_listpackages) ifndef PERL PERL = /usr/bin/perl endif TMP = $(CURDIR)/debian/$(PACKAGE) build: # Nothing to do. clean: dh_testdir dh_testroot dh_clean build-stamp install-stamp install: install-stamp install-stamp: dh_testdir dh_testroot dh_clean -k install -D postfix-policyd-spf-perl $(TMP)/usr/lib/postfix/policyd-spf-perl touch install-stamp # Build architecture-independent files here: binary-indep: build install dh_testdir dh_testroot dh_install dh_installdirs dh_installdocs README dh_installchangelogs CHANGES #dh_installexamples examples/* #dh_installman #dh_link dh_compress dh_fixperms dh_installdeb dh_perl dh_gencontrol dh_md5sums dh_builddeb # Build architecture-dependent files here: binary-arch: # Nothing to do. binary: binary-indep binary-arch .PHONY: build clean binary-indep binary-arch binary install postfix-policyd-spf-perl-1.08.1.1/LICENSE0000644000175000017500000004310310551246677020070 0ustar kittermakitterma GNU GENERAL PUBLIC LICENSE Version 2, June 1991 Copyright (C) 1989, 1991 Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA Everyone is permitted to copy and distribute verbatim copies of this license document, but changing it is not allowed. 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If the program is interactive, make it output a short notice like this when it starts in an interactive mode: Gnomovision version 69, Copyright (C) year name of author Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'. This is free software, and you are welcome to redistribute it under certain conditions; type `show c' for details. The hypothetical commands `show w' and `show c' should show the appropriate parts of the General Public License. Of course, the commands you use may be called something other than `show w' and `show c'; they could even be mouse-clicks or menu items--whatever suits your program. You should also get your employer (if you work as a programmer) or your school, if any, to sign a "copyright disclaimer" for the program, if necessary. Here is a sample; alter the names: Yoyodyne, Inc., hereby disclaims all copyright interest in the program `Gnomovision' (which makes passes at compilers) written by James Hacker. , 1 April 1989 Ty Coon, President of Vice This General Public License does not permit incorporating your program into proprietary programs. If your program is a subroutine library, you may consider it more useful to permit linking proprietary applications with the library. If this is what you want to do, use the GNU Lesser General Public License instead of this License. postfix-policyd-spf-perl-1.08.1.1/INSTALL0000644000175000017500000000161510551247053020103 0ustar kittermakittermaSystem Requirements ------------------- The following Perl version and packages are required for running postfix-policyd-spf-perl: Perl 5.6 version Mail::SPF::Query Installing ---------- 1. Copy postfix-policyd-spf-perl to /usr/lib/postfix/policyd-spf-perl 2. Add the following to /etc/postfix/master.cf: policy unix - n n - - spawn user=nobody argv=/usr/bin/perl /usr/lib/postfix/policyd-spf-perl 3. Configure the Postfix policy service in /etc/postfix/main.cf: smtpd_recipient_restrictions = ... reject_unauth_destination check_policy_service unix:private/policy ... NOTE: Specify check_policy_service AFTER reject_unauth_destination or else your system can become an open relay. 4. Restart Postfix. # $Id: INSTALL 31 2007-01-10 20:35:55Z Scott Kitterman $ # vim:tw=79 postfix-policyd-spf-perl-1.08.1.1/CHANGES0000644000175000017500000000172410551247053020046 0ustar kittermakitterma# Legend: # --- = A new release # + = Added a feature (in a backwards compatible way) # ! = Changed something significant, or removed a feature # * = Fixed a bug, or made a minor improvement --- 1.08.1 (2007-01-10 21:00) postfix-policyd-spf-perl: * Minor and purely cosmetic code clean-up. Miscellaneous: * Updated README file with new website URL and copyright. * Added LICENSE file as an explicit copy of the GPLv2. Debian: * New maintainer: Scott Kitterman * Priority: extra (was: optional) * Removed Build-Depends-Indep: perl, as there really is no need for it. * Depends: libversion-perl * Updated debian/copyright. --- 1.08 (2006-06-17 20:00) * Added Debian package control files. * Moved documentation from executable into separate README and INSTALL files. Improved documentation. * Minor and purely cosmetic code clean-up. # $Id: CHANGES 31 2007-01-10 20:35:55Z Scott Kitterman $ # vim:tw=79 sts=2 sw=2 postfix-policyd-spf-perl-1.08.1.1/README0000644000175000017500000000426310551247053017734 0ustar kittermakittermapostfix-policyd-spf-perl 1.08.1 A Postfix SMTPd policy server for SPF checking (C) 2007 Scott Kitterman 2003-2004 Meng Weng Wong Contributions by various members of the SPF project ============================================================================== postfix-policyd-spf-perl is a Postfix SMTPd policy daemon for SPF checking. It is implemented in pure Perl and uses the Mail::SPF::Query CPAN module. See INSTALL or README.Debian for installation instructions. Usage: policyd-spf-perl [-v] This documentation assumes you have read Postfix's README_FILES/ SMTPD_POLICY_README. Logging is sent to syslogd. Each time a Postfix SMTP server process is started it connects to the policy service socket, and Postfix runs one instance of this Perl script. By default, a Postfix SMTP server process terminates after 100 seconds of idle time, or after serving 100 clients. Thus, the cost of starting this Perl script is smoothed out over time. The default policy_time_limit is 1000 seconds.  This may be to short for some SMTP transactions to complete.  As recommended in SMTPD_POLICY_README, this should be extended to 3600 seconds.  To do so, set "policy_time_limit = 3600" in /etc/postfix/main.cf. Testing the policy daemon ------------------------- To test the policy daemon by hand, execute: % perl /usr/lib/postfix/policyd-spf-perl Each query is a bunch of attributes. Order does not matter, and the daemon uses only a few of all the attributes shown below: request=smtpd_access_policy protocol_state=RCPT protocol_name=SMTP helo_name=some.domain.tld queue_id=8045F2AB23 sender=foo@bar.tld recipient=bar@foo.tld client_address=1.2.3.4 client_name=another.domain.tld [empty line] The policy daemon will answer in the same style, with an attribute list followed by a empty line: action=dunno [empty line] License ------- postfix-policyd-spf-perl is free software. You may use, modify, and distribute it under the GNU GPL (version 2 or later); see the LICENSE file. # $Id: README 31 2007-01-10 20:35:55Z Scott Kitterman $ # vim:tw=79 postfix-policyd-spf-perl-1.08.1.1/postfix-policyd-spf-perl0000755000175000017500000001144210551247053023662 0ustar kittermakitterma#!/usr/bin/perl # postfix-policyd-spf-perl # http://www.openspf.org/Software # version 1.08.1 # $Id: postfix-policyd-spf-perl 31 2007-01-10 20:35:55Z Scott Kitterman $ use version; our $VERSION = qv('1.08.1'); use strict; use Fcntl; use Sys::Syslog qw(:DEFAULT setlogsock); use Mail::SPF::Query; # ---------------------------------------------------------- # configuration # ---------------------------------------------------------- my @HANDLERS; push @HANDLERS, "testing"; push @HANDLERS, "sender_permitted_from"; my $VERBOSE = 0; my $DEFAULT_RESPONSE = "DUNNO"; # # Syslogging options for verbose mode and for fatal errors. # NOTE: comment out the $syslog_socktype line if syslogging does not # work on your system. # my $syslog_socktype = 'unix'; # inet, unix, stream, console my $syslog_facility = "mail"; my $syslog_options = "pid"; my $syslog_ident = "postfix/policy-spf"; # ---------------------------------------------------------- # initialization # ---------------------------------------------------------- # # Log an error and abort. # sub fatal_exit { syslog(err => "fatal_exit: @_"); syslog(warning => "fatal_exit: @_"); syslog(info => "fatal_exit: @_"); die "fatal: @_"; } # # Unbuffer standard output. # select((select(STDOUT), $| = 1)[0]); # # This process runs as a daemon, so it can't log to a terminal. Use # syslog so that people can actually see our messages. # setlogsock $syslog_socktype; openlog $syslog_ident, $syslog_options, $syslog_facility; # ---------------------------------------------------------- # main # ---------------------------------------------------------- # # Receive a bunch of attributes, evaluate the policy, send the result. # my %attr; while () { chomp; if (/=/) { my ($k, $v) = split (/=/, $_, 2); $attr{$k} = $v; next } elsif (length) { syslog(warning => sprintf("warning: ignoring garbage: %.100s", $_)); next; } if ($VERBOSE) { for (sort keys %attr) { syslog(debug => "Attribute: %s=%s", $_, $attr{$_}); } } fatal_exit("unrecognized request type: '$attr{request}'") unless $attr{request} eq "smtpd_access_policy"; my $action = $DEFAULT_RESPONSE; my %responses; foreach my $handler (@HANDLERS) { no strict 'refs'; my $response = $handler->(attr=>\%attr); syslog(debug => "handler %s: %s", $handler, $response); if ($response and $response !~ /^dunno/i) { syslog(info => "handler %s: %s is decisive.", $handler, $response); $action = $response; last; } } syslog(info => "decided action=%s", $action); print STDOUT "action=$action\n\n"; %attr = (); } # ---------------------------------------------------------- # plugin: SPF # ---------------------------------------------------------- sub sender_permitted_from { local %_ = @_; my %attr = %{ $_{attr} }; my $query = eval { Mail::SPF::Query->new( ip => $attr{client_address}, sender => $attr{sender}, helo => $attr{helo_name} ) }; if ($@) { syslog( info => "%s: Mail::SPF::Query->new(%s, %s, %s) failed: %s", $attr{queue_id}, $attr{client_address}, $attr{sender}, $attr{helo_name}, $@ ); return "DUNNO"; } my ($result, $smtp_comment, $header_comment) = $query->result(); syslog( info => "%s: SPF %s: smtp_comment=%s, header_comment=%s", $attr{queue_id}, $result, $smtp_comment, $header_comment ); if ($result eq "fail") { return "REJECT $smtp_comment"; } elsif ($result eq "error") { return "DEFER_IF_PERMIT $smtp_comment"; } else { return "PREPEND Received-SPF: $result ($header_comment)"; } } # ---------------------------------------------------------- # plugin: testing # ---------------------------------------------------------- sub testing { local %_ = @_; my %attr = %{ $_{attr} }; if ( lc(address_stripped($attr{sender})) eq lc(address_stripped($attr{recipient})) and $attr{recipient} =~ /policyblock/ ) { syslog(info => "%s: testing: will block as requested", $attr{queue_id}); return "REJECT smtpd-policy blocking $attr{recipient}"; } else { syslog( info => "%s: testing: stripped sender=%s, stripped rcpt=%s", $attr{queue_id}, address_stripped($attr{sender}), address_stripped($attr{recipient}), ); } return "DUNNO"; } # my $foo = address_stripped('foo+bar@baz.com'); # returns 'foo@baz.com' sub address_stripped { my $string = shift; $string =~ s/[+-].*\@/\@/; return $string; }