#-*- perl -*-
#
#  Copyright (C) 2002,2003,2004,2005,2006 Ken'ichi Fukamachi
#   All rights reserved. This program is free software; you can
#   redistribute it and/or modify it under the same terms as Perl itself.
#
# $FML: Qmail.pm,v 1.8 2006/02/04 08:10:08 fukachan Exp $
#

package FML::MTA::Control::Qmail;
use strict;
use vars qw(@ISA @EXPORT @EXPORT_OK $AUTOLOAD);
use Carp;

my $debug = 0;


=head1 NAME

FML::MTA::Control::Qmail - handle qmail specific configurations.

=head1 SYNOPSIS

set up aliases and virtual maps for qmail.

=head1 DESCRIPTION

=head1 METHODS

=cut


# Descriptions: udummy. qmail not needs installation of alias files.
#    Arguments: OBJ($self) OBJ($curproc) HASH_REF($params) HASH_REF($optargs)
# Side Effects: update aliases
# Return Value: none
sub qmail_install_alias
{
    my ($self, $curproc, $params, $optargs) = @_;
    my $config       = $curproc->config();
    my $template_dir = $curproc->newml_command_template_files_dir();
    my $ml_home_dir  = $params->{ ml_home_dir };

    use File::Spec;

    my $qmail_template_files =
	$config->get_as_array_ref('newml_command_qmail_template_files');
    my $fml_owner_home_dir = $config->{ fml_owner_home_dir };
    my $ml_name   = $config->{ ml_name };
    my $ml_domain = $config->{ ml_domain }; $ml_domain =~ s/\./:/g;
    for my $file (@$qmail_template_files) {
	# XXX-TODO: we should define dot-qmail file name generator as method.
	my $xfile = $file;
	$xfile =~ s/dot-/\./;
	$xfile =~ s/dot-/\./;
	$xfile =~ s/qmail/qmail-$ml_domain-$ml_name/;

	my $src   = File::Spec->catfile($template_dir, $file);
	my $dst   = File::Spec->catfile($fml_owner_home_dir, $xfile);

	$curproc->ui_message("creating $dst");
	$self->_install($src, $dst, $params);
    }

    my $virtual_domain_conf = $config->{ qmail_virtualdomains_file };
    unless (-f $virtual_domain_conf) {
	if (0) {
	    $curproc->ui_message("  XXX We assume $ml_domain:fml-$ml_domain");
	    $curproc->ui_message("  XXX in $virtual_domain_conf");
	}
    }
}


# Descriptions: remove .qmail-$ml* files (remove aliases).
#    Arguments: OBJ($self) OBJ($curproc) HASH_REF($params) HASH_REF($optargs)
# Side Effects: update aliases
# Return Value: none
sub qmail_delete_alias
{
    my ($self, $curproc, $params, $optargs) = @_;
    my $config       = $curproc->config();
    my $template_dir = $curproc->newml_command_template_files_dir();
    my $ml_home_dir  = $params->{ ml_home_dir };

    use File::Spec;

    my $qmail_template_files =
	$config->get_as_array_ref('newml_command_qmail_template_files');
    my $fml_owner_home_dir = $config->{ fml_owner_home_dir };
    my $ml_name   = $config->{ ml_name };
    my $ml_domain = $config->{ ml_domain }; $ml_domain =~ s/\./:/g;
    for my $file (@$qmail_template_files) {
	my $xfile = $file;
	$xfile =~ s/dot-/\./;
	$xfile =~ s/dot-/\./;
	$xfile =~ s/qmail/qmail-$ml_domain-$ml_name/;

	my $src   = File::Spec->catfile($template_dir, $file);
	my $dst   = File::Spec->catfile($fml_owner_home_dir, $xfile);

	if (-f $dst) {
	    $curproc->ui_message("removing $dst");
	    unlink $dst || do {
		my $s = "failed to remove $dst";
		$curproc->ui_message("error: $s");
		$curproc->logerror($s);
	    };
	}
    }
}


# Descriptions: dummy (update alias).
#    Arguments: OBJ($self) OBJ($curproc) HASH_REF($params) HASH_REF($optargs)
# Side Effects: update aliases
# Return Value: none
sub qmail_update_alias
{
    my ($self, $curproc, $params, $optargs) = @_;

    0;
}


# Descriptions: dummy (find key in aliases).
#    Arguments: OBJ($self) OBJ($curproc) HASH_REF($params) HASH_REF($optargs)
# Side Effects: none
# Return Value: NUM(1 or 0)
sub qmail_find_key_in_alias_maps
{
    my ($self, $curproc, $params, $optargs) = @_;

    # XXX-TODO: implement this!
    0;
}


# Descriptions: get { key => value } in aliases.
#    Arguments: OBJ($self) OBJ($curproc) HASH_REF($params) HASH_REF($optargs)
# Side Effects: none
# Return Value: HASH_REF
sub qmail_get_aliases_as_hash_ref
{
    my ($self, $curproc, $params, $optargs) = @_;

    # XXX-TODO: implement this!
    0;
}


# Descriptions: return alias_maps as ARRAY_REF.
#    Arguments: OBJ($self) OBJ($curproc) HASH_REF($params) HASH_REF($optargs)
# Side Effects: none
# Return Value: ARRAY_REF
sub qmail_alias_maps
{
    my ($self, $curproc, $params, $optargs) = @_;

    # XXX-TODO: implement this!
    0;
}


# Descriptions: create ~/.qmail-* files.
#    Arguments: OBJ($self) OBJ($curproc) HASH_REF($params) HASH_REF($optargs)
# Side Effects: creates ~/.qmail-XXX
# Return Value: none
sub qmail_setup
{
    my ($self, $curproc, $params, $optargs) = @_;

    0;
}


# Descriptions: prepare a template for qmail/control/virtualdomains
#               for example: rule of a virtual domain for "nuinui.net"
#                            nuinui.net:fml-.nuinui.net
#    Arguments: OBJ($self) OBJ($curproc) HASH_REF($params)
#         bugs: we cannot update /var/qmail/control/virtualdomains
#               since it needs root priviledge.
#               So, we can only update our templates for qmail.
# Side Effects: update template not /var/qmail/control/virtualdomains
# Return Value: none
sub qmail_install_virtual_map
{
    my ($self, $curproc, $params) = @_;
    my $fmlowner  = $curproc->fml_owner();
    my $config    = $curproc->config();
    my $ml_domain = $config->{ ml_domain };
    my $virtual   = $config->{ qmail_virtual_map_file };

    # 1. check the current template file firstly
    my $found = 0;
    my $fh    = new FileHandle $virtual;
    if (defined $fh) {
	my $buf;

      LINE:
	while ($buf = <$fh>) {
	    $found = 1 if $buf =~ /^$ml_domain:/i;
	    last LINE  if $found;
	}
	$fh->close();
    }

    # 2. if not found
    unless ($found) {
	$curproc->ui_message("updating $virtual");

	my $fh = new FileHandle ">> $virtual";
	if (defined $fh) {
	    print $fh "$ml_domain:$fmlowner-$ml_domain\n";
	    $fh->close();
	}
    }
    else {
	$curproc->ui_message("skip updating $virtual");
    }
}


# Descriptions: dummy.
#    Arguments: OBJ($self) HASH_REF($args)
# Side Effects: none
# Return Value: none
sub qmail_delete_virtual_map
{
    0;
}


# Descriptions: dummy.
#    Arguments: OBJ($self) HASH_REF($args)
# Side Effects: none
# Return Value: none
sub qmail_update_virtual_map
{
    0;
}


=head1 CODING STYLE

See C<http://www.fml.org/software/FNF/> on fml coding style guide.

=head1 AUTHOR

Ken'ichi Fukamachi

=head1 COPYRIGHT

Copyright (C) 2002,2003,2004,2005,2006 Ken'ichi Fukamachi

All rights reserved. This program is free software; you can
redistribute it and/or modify it under the same terms as Perl itself.

=head1 HISTORY

FML::MTA::Control first appeared in fml8 mailing list driver package.
See C<http://www.fml.org/> for more details.

=cut


1;