106 lines
3.1 KiB
Perl
106 lines
3.1 KiB
Perl
#!perl -w
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=head1 NAME
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auth_vpopmail - Authenticate against libvpopmail.a
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=head1 DESCRIPTION
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This plugin authenticates vpopmail users using p5-vpopmail.
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Using CRAM-MD5 requires that vpopmail be built with the
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'--enable-clear-passwd=y' option.
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=head1 CONFIGURATION
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This module will only work if qpsmtpd is running as the 'vpopmail' user.
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CRAM-MD5 authentication will only work with p5-vpopmail 0.09 or higher.
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http://github.com/sscanlon/vpopmail
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Decide which authentication methods you are willing to support and uncomment
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the lines in the register() sub. See the POD for Qspmtpd::Auth for more
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details on the ramifications of supporting various authentication methods.
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=head1 SEE ALSO
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For an overview of the vpopmail authentication plugins and their merits,
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please read the VPOPMAIL section in docs/authentication.pod
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=head1 AUTHOR
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Matt Simerson <msimerson@cpan.org>
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=head1 COPYRIGHT AND LICENSE
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Copyright (c) 2010 Matt Simerson
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This plugin is licensed under the same terms as the qpsmtpd package itself.
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Please see the LICENSE file included with qpsmtpd for details.
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=cut
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use strict;
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use warnings;
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use Qpsmtpd::Auth;
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use Qpsmtpd::Constants;
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#use vpopmail; # we eval this in $test_vpopmail_module
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sub register {
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my ($self, $qp) = @_;
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return (DECLINED) if !$self->test_vpopmail_module();
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$self->register_hook("auth-plain", "auth_vpopmail");
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$self->register_hook("auth-login", "auth_vpopmail");
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$self->register_hook("auth-cram-md5", "auth_vpopmail");
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}
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sub auth_vpopmail {
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my ($self, $transaction, $method, $user, $passClear, $passHash, $ticket) =
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@_;
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my $pw = vauth_getpw(split /@/, lc($user));
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my $pw_clear_passwd = $pw->{pw_clear_passwd};
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my $pw_passwd = $pw->{pw_passwd};
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if (!$pw || (!$pw_clear_passwd && !$pw_passwd)) {
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$self->log(LOGINFO, "fail: invalid user $user");
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return (DENY, "auth_vpopmail - invalid user");
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# change DENY to DECLINED to support multiple auth plugins
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}
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return
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Qpsmtpd::Auth::validate_password(
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$self,
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src_clear => $pw->{pw_clear_passwd},
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src_crypt => $pw->{pw_passwd},
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attempt_clear => $passClear,
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attempt_hash => $passHash,
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method => $method,
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ticket => $ticket,
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deny => DENY,
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);
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}
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sub test_vpopmail_module {
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my $self = shift;
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# vpopmail will not allow vauth_getpw to succeed unless the requesting user is vpopmail or root.
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# by default, qpsmtpd runs as the user 'qpsmtpd' and does not have permission.
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eval 'use vpopmail';
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if ($@) {
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$self->log(LOGERROR, "skip: is vpopmail perl module installed?");
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return;
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}
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my ($domain) = vpopmail::vlistdomains();
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my $r = vauth_getpw('postmaster', $domain) or do {
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$self->log(LOGERROR, "skip: could not query vpopmail");
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return;
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};
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return 1;
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}
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