#!/usr/bin/perl
#*****************************************************************************
#
# Copyright (c) 2002 Christian Belisle (cbelisle@mandrakesoft.com)
#
# This program is free software; you can redistribute it and/or modify
#  it under the terms of the GNU General Public License version 2, as
#  published by the Free Software Foundation.
#
#  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.
#
#*****************************************************************************

use strict;
use lib qw(/usr/lib/libDrakX);
use common;
use standalone;
use vars qw($MODE %options);
use ugtk2 qw(:helpers :wrappers :ask :create);
use run_program;
use security::level;
use security::msec;

$MODE = 'basic';
$0 =~ /draksec-firewall$/ and $MODE = 'firewall';
$0 =~ /draksec-perms$/ and $MODE = 'perms';

/^-?-(\S+)$/ and $options{$1} = 1 foreach @ARGV;


my $w;

# factorize this with rpmdrake and harddrake2
sub wait_msg {
    my $mainw = ugtk2->new('wait', ( modal => 1, transient => $w->{rwindow}));
    my $label = new Gtk2::Label($_[0]);
    $mainw->{window}->add($label);
    $mainw->{window}->show_all;
    $mainw->{window}->realize;
    $label->signal_connect(expose_event => sub { $mainw->{displayed} = 1 });
    $mainw->sync until $mainw->{displayed};
    $mainw->show;
    gtkset_mousecursor_wait($mainw->{rwindow}->window);
    $mainw->flush;
    $mainw;
}

sub remove_wait_msg { $_[0]->destroy }

sub basic_seclevel_explanations {
    my $text = new Gtk2::TextView;
    $text->set_editable(0);
    gtktext_insert($text,
		   formatAlaTeX(N("Standard: This is the standard security recommended for a computer that will be used to connect
               to the Internet as a client.

High:       There are already some restrictions, and more automatic checks are run every night.

Higher:    The security is now high enough to use the system as a server which can accept
              connections from many clients. If your machine is only a client on the Internet, you
	      should choose a lower level.

Paranoid:  This is similar to the previous level, but the system is entirely closed and security
                features are at their maximum

Security Administrator:
               If the 'Security Alerts' option is set, security alerts will be sent to this user (username or
	       email)")));
    
    gtkpack_(gtkshow(new Gtk2::HBox(0, 0)), 1, $text);
}

sub basic_seclevel_option {
	my ($seclevel_entry, $_msec) = @_;
	my @sec_levels = security::level::get_common_list();
	my $current_level = security::level::get_string();

	push(@sec_levels, $current_level) unless member($current_level, @sec_levels);

	$$seclevel_entry->entry->set_editable(0);
	$$seclevel_entry->set_popdown_strings(@sec_levels);
	$$seclevel_entry->entry->set_text($current_level);

	new Gtk2::Label(N("Security Level:")), $$seclevel_entry;
}

sub new_editable_combo {
	my $w = new Gtk2::Combo();
	$w->entry->set_editable(0);
	$w;
}

sub set_default_tip {
	my ($entry, $default) = @_;
	gtkset_tip(new Gtk2::Tooltips, $entry, N(" (default value: %s)", $default));
}

my $msec = new security::msec;
$w = ugtk2->new('draksec');
my $window = $w->{window};

############################ MAIN WINDOW ###################################
# Set different options to Gtk2::Window
unless ($::isEmbedded) {
#	  $w->{rwindow}->set_policy(1, 1, 1);
    $w->{rwindow}->set_position('center');
    $w->{rwindow}->set_title("DrakSec");
    $window->set_size_request(598, 590);
}

# Connect the signals
$window->signal_connect('delete_event', sub { $window->destroy() });
$window->signal_connect('destroy', sub { ugtk2->exit() });

$window->add(my $vbox = gtkshow(new Gtk2::VBox(0, 0)));

# Create the notebook (for bookmarks at the top)
my $notebook = create_notebook();
$notebook->set_tab_pos('top');

my $common_opts = { col_spacings => 10, row_spacings => 5 };

######################## BASIC OPTIONS PAGE ################################
my $seclevel_entry = new Gtk2::Combo();

$notebook->append_page(gtkpack(new Gtk2::VBox(0, 0),
                               basic_seclevel_explanations($msec),
                               create_packtable($common_opts,
                                                [ basic_seclevel_option(\$seclevel_entry, $msec) ],
                                                [ new Gtk2::Label(N("Security Alerts:")), 
                                                  my $secadmin_check = new Gtk2::CheckButton ],
                                                [ new Gtk2::Label(N("Security Administrator:")),
                                                  my $secadmin_entry = new Gtk2::Entry ])),
                       new Gtk2::Label(N("Basic")));

$secadmin_entry->set_text($msec->get_check_value("MAIL_USER"));
$secadmin_check->set_active(1) if $msec->get_check_value("MAIL_WARN") eq "yes";

######################### NETWORK & SYSTEM OPTIONS #########################
my @yesno_choices    = qw(yes no default ignore);
my @alllocal_choices = qw(ALL LOCAL NONE default);
my @all_choices = (@yesno_choices, @alllocal_choices);
my %options_values;

foreach ([ 'network', N("Network Options") ], [ 'system', N("System Options") ]) {
    my ($domain, $label) = @$_;
    my %values;
    $notebook->append_page(gtkshow(create_scrolled_window(gtkpack(new Gtk2::VBox(0, 0),
                                                                  new Gtk2::Label(N("The following options can be set to customize your\nsystem security. If you need explanations, click on Help.\n")),
                                                                  create_packtable($common_opts,
                                                                                   map {
                                                                                       my $i = $_;

                                                                                       my $entry;
                                                                                       my $default = $msec->get_function_default($i);
                                                                                       if (member($default, @all_choices)) {
                                                                                           $values{$i} = new_editable_combo();
                                                                                           $entry = $values{$i}->entry;
                                                                                           if (member($default, @yesno_choices)) {
                                                                                               $values{$i}->set_popdown_strings(@yesno_choices);
                                                                                           } elsif (member($default, @alllocal_choices)) {
                                                                                               $values{$i}->set_popdown_strings(@alllocal_choices);
                                                                                           }
                                                                                       } else {
                                                                                           $values{$i} = new Gtk2::Entry();
                                                                                           $entry = $values{$i};
                                                                                       }
                                                                                       $entry->set_text($msec->get_function_value($i));
                                                                                       set_default_tip($entry, $default);
                                                                                       [ new Gtk2::Label($i), $values{$i} ];
                                                                                   } $msec->get_functions($domain))))),
                           new Gtk2::Label($label));
    $options_values{$domain} = \%values;
}

######################## PERIODIC CHECKS ###################################
my %security_checks_value;

$notebook->append_page(gtkshow(create_scrolled_window(gtkpack(new Gtk2::VBox(0, 0),
                                                              new Gtk2::Label(N("The following options can be set to customize your\nsystem security. If you need explanations, click on Help.\n")),
                                                              create_packtable($common_opts,
                                                                               map {
                                                                                   unless (member(qw(MAIL_WARN MAIL_USER), $_)) {
                                                                                       my $i = $_;
                                                                                       $security_checks_value{$i} = new_editable_combo();
                                                                                       my $entry = $security_checks_value{$i}->entry;
                                                                                       set_default_tip($entry, $msec->get_check_default);
                                                                                       $security_checks_value{$i}->set_popdown_strings(qw(yes no default));
                                                                                       $entry->set_text($msec->get_check_value($i));
                                                                                       [ gtkshow(new Gtk2::Label(translate($i))), $security_checks_value{$i} ];
                                                                                   } else { undef }
                                                                               } ($msec->get_default_checks))))),
                       new Gtk2::Label(N("Periodic Checks")));


####################### OK CANCEL BUTTONS ##################################
my $bok = gtksignal_connect(new Gtk2::Button(N("Ok")),
                            'clicked' => sub {
                                my $seclevel_value = $seclevel_entry->entry->get_text();
                                my $secadmin_check_value = $secadmin_check->get_active();
                                my $secadmin_value = $secadmin_entry->get_text();
                                my $w;

                                standalone::explanations("Configuring msec");

                                if ($seclevel_value ne security::level::get_string()) {
                                    $w = wait_msg(N("Please wait, setting security level..."));
                                    standalone::explanations("Setting security level");
                                    security::level::set($seclevel_value);
                                    remove_wait_msg($w);
                                }

                                $w = wait_msg(N("Please wait, setting security options..."));
                                standalone::explanations("Setting security administrator option");
                                $msec->config_check('MAIL_WARN', $secadmin_check_value == 1 ? 'yes' : 'no');

                                if ($secadmin_value ne $msec->get_check_value('MAIL_USER') && $secadmin_check_value) {
                                    standalone::explanations("Setting security administrator contact");
                                      $msec->config_check('MAIL_USER', $secadmin_value);
                                  }

                                standalone::explanations("Setting security periodic checks");
                                foreach my $key (keys %security_checks_value) {
                                    if ($security_checks_value{$key}->entry->get_text() ne $msec->get_check_value($key)) {
                                        $msec->config_check($key, $security_checks_value{$key}->entry->get_text());
                                    }
                                }

                                foreach my $domain (keys %options_values) {
                                    standalone::explanations("Setting msec functions related to $domain");
                                      foreach my $key (keys %{$options_values{$domain}}) {
                                          my $opt = $options_values{$domain}{$key};
                                          $msec->config_function($key, $opt =~ /Combo/ ? $opt->entry->get_text() : $opt->get_text());
                                      }
                                  }
                                standalone::explanations("Applying msec changes");
                                run_program::rooted($::prefix, "/usr/sbin/msec");

                                remove_wait_msg($w);

                                ugtk2->exit(0);
                            });

my $bcancel = gtksignal_connect(new Gtk2::Button(N("Cancel")),
                                'clicked' => sub { ugtk2->exit(0) });
gtkpack_($vbox,
         1, gtkshow($notebook),
         0, gtkadd(gtkadd(gtkshow(new Gtk2::HBox(0, 0)),
                          $bok),
                   $bcancel));
$bcancel->can_default(1);
$bcancel->grab_default();

$w->main;
ugtk2->exit(0);