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path: root/ftp_wizard/Proftpd.pm
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#!/usr/bin/perl

# Drakwizard

# Copyright (C) 2003 Mandrakesoft
#
# Author: Florent Villard <warly@mandrakesoft.com>
#
# 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, 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.

package MDK::Wizard::Proftpd;
use strict;

use common;
use services;
require MDK::Wizard::Wizcommon;

my $wiz = new MDK::Wizard::Wizcommon;

my $o = { 
    name => 'FTP wizard',
	var => { 
	    wiz_ftp_external => '',
	    wiz_ftp_anon => '',
	    wiz_ftp_home => ''
	},
	needed_rpm => [ 'proftpd' ],
	defaultimage => "$ENV{__WIZ_HOME__}ftp_wizard/images/FTP.png"
    };

$o->{pages} = { 
		  welcome => {
		      name => N('FTP Server Configuration Wizard') . "\n\n" . N('This wizard will help you configuring the FTP Server for your network.'),
		  no_back => 1,
		  post => \&check,
	          next => 'config'
	      },
	      config => {
	          name => N('FTP Server') . "\n\n" . N('Your server can act as an FTP Server toward your internal network (intranet) and as an FTP Server for the Internet.') . "\n\n" . N('Select the kind of FTP service you want to activate:') . "\n\n" . N('Don\'t check any box if you don\'t want to activate your FTP Server.'),
                  pre => sub {
			$o->{var}{wiz_ftp_internal} ||= 1;
			$o->{var}{wiz_ftp_external} ||= 0;
		  },
                  data => [
		      { text => N('Enable the FTP Server for the Intranet'), type => 'bool', val => \$o->{var}{wiz_ftp_internal} },
		      { text => N('Enable the FTP Server for the Internet'), type => 'bool', val => \$o->{var}{wiz_ftp_external} },
		      ],
	          next => 'summary'
	      },
	      warning_dhcp => {
		name => N('Warning.') . "\n\n" . N('Warning\nYou are in dhcp, server may not work with your configuration.'),
		ignore => 1,
	        next => 'config'
	      },
	      must_be_root => {
		name => N('Error.') . "\n\n" . N('Sorry, you must be root to do this...'),
		ignore => 1,
	        next => 'config'
	      },
	      summary => {
	        name =>  N('Configuring the FTP Server') . "\n\n" . N('The wizard collected the following parameters
needed to configure your FTP Server') . "\n\n" . N('To accept these values, and configure your server, click the Next button or use the Back button to correct them'),
                pre => sub {
		    $o->{var}{internal} = $o->{var}{wiz_ftp_internal} ? N("enabled") : N("disabled");
	 	    $o->{var}{external} = $o->{var}{wiz_ftp_external} ? N("enabled") : N("disabled")
	        },
		data => [
		      { label => N('Intranet FTP Server:'), fixed_val => \$o->{var}{internal} },
		      { label => N('Internet FTP Server:'), fixed_val => \$o->{var}{external} },
		  ],
		post => \&do_it,
	        next => 'end'
	      },
	      end => { 
	        name => N('Congratulations') . "\n\n" . N('The wizard successfully configured your Intranet/Internet FTP Server'), 
		end => 1,
	        next => 0
	  },
};

sub new {
    my ($class, $conf) = @_;
    bless {
	    o   => $o,
       }, $class;
}

sub true {
    my	($val) = @_;

    $val eq "1" || $val eq "\'1\'" || $val eq "\"1\"" || 
	$val eq "true" || $val eq "\'true\'" || $val eq "\"true\"" and
	return 1;
    0;
}

sub check_dir {
    -d $o->{var}{wiz_dir} and return 10;
    1;
}

sub get_dir {
    my $file = "/etc/proftpd.conf";
    die "no ftp configuration file found ! warning." if (!-f $file);
    open(NEW, "< $file") or die "error while opening $file: $!";

    while (<NEW>) { # we need 3 elements to consider section as known
	if (m/^\s*<drakwizard>/s...m/^\s*<\/drakwizard>/s ) {
	    if (m/^\s*<Anonymous\s*(.*)>/s ) {
		return $1;
	    }
	}
    }
    return "";
}

sub check {
    $> and return 'must_be_root';
    $wiz->{net}->is_dhcp() and return 'warning_dhcp';
    '';
}

sub print_anonymous() {
    print '
#<drakwizard>
<Anonymous '.$_[0].'>
  User	ftp
  Group	ftp
  UserAlias anonymous ftp
  MaxClients 10
  <Limit WRITE>
    DenyAll
  </Limit>
</Anonymous>
#</drakwizard>
';
}

sub do_it {
    $::testing and return;
    my $wiz_ftp_internal = $o->{var}{wiz_ftp_external} ? 1 : true $o->{var}{wiz_ftp_internal};
    my $wiz_ftp_external = true $o->{var}{wiz_ftp_external};
    my $file = "/etc/proftpd.conf";
    die "no ftp configuration file found ! warning." if (!-f $file);
    MDK::Common::cp_af($file, $file . ".orig");
    open(NEW, "< $file") or die "error while opening $file: $!";
    my $allow = "all";
    if ($wiz_ftp_internal && !$wiz_ftp_external) {
	($allow) = $wiz->{net}->itf_get("IPADDR") =~ qr/^(\d{1,3}\.\d{1,3}\.\d{1,3}\.)\d{1,3}$/;
	$allow .= " 127.0.0.1";
    }
    elsif (!$wiz_ftp_external) {
	$allow = "none";
    }
    my $file = "/etc/proftpd.conf";
    open (NEW, "< $file");
    my $exist = 0;
    while (<NEW>) { # we need 3 elements to consider section as known
	if (m/^\s*<Global>/s...m/^\s*<\/Global>/s ) {
	    if (m/^\s*<Limit LOGIN>/s...m/^\s*<\/Limit>/s ) {
		if (/^\s*(?!\#)\s*Order .*$/) {
		    $exist++;
		}
		if (/^\s*(?!\#)\s*Allow .*$/) {
		    $exist++;
		}
		if (/^\s*(?!\#)\s*Deny .*$/) {
		    $exist++;
		}
	    }
	}
    }
    close (NEW);
    if ($exist < 3) { # Odd parameters are commented if exists to then add a known section
	substInFile {
	    if (m/^\s*<Global>/s...m/^\s*<\/Global>/s ) {
		if (m/^\s*<Limit LOGIN>/s...m/^\s*<\/Limit>/s ) {
		    s/^\s*(?!\#)\s*Order .*$/\#$&\n/s;
		    s/^\s*(?!\#)\s*Allow .*$/\#$&\n/s;
		    s/^\s*(?!\#)\s*Deny .*$/\#$&\n/s;
		}
	    }
	} $file;
	open (NEW, ">> $file");
	print NEW '
#<drakwizard>
<Global>
  <Limit LOGIN>
    Order allow,deny
    Allow from '.$allow.'
    Deny from all
  </Limit>
</Global>
#</drakwizard>';
	close NEW;
    }
    else { # the known section (3 parameters ) is replaced with our needs
	substInFile {
	    if (m/^\s*<Global>/s...m/^\s*<\/Global>/s ) {
		if (m/^\s*<Limit LOGIN>/s...m/^\s*<\/Limit>/s ) {
		    if (/^\s*(?!\#)\s*Order .*$/i) {
			if (!/\s*Order\s*allow,\s*deny\s*$/) {
			    s//\#$&\n    Order allow,deny\n/;
			}
		    }
		    if (/^\s*(?!\#)\s*Allow .*$/i) {
			if (!/\s*Allow\s*from\s*$allow\s*$/) {
			    s//\#$&\n    Allow from $allow/;
			}
		    }
		    if (/^\s*(?!\#)\s*Deny .*$/i) {
			if (!/\s*Deny\s*from\s*all\s*$/) {
			    s//\#$&\n    Deny from all\n/;
			}
		    }
		}
	    }
	} $file;
    }
    if (services::is_service_running('proftpd')) { 
        services::restart('proftpd')
    } else {
        services::start('proftpd')
    }
}

1;