#!/usr/bin/perl

# Drakwizard
# Copyright (C) 2002,2005 Mandriva
#
# Authors: Arnaud Desmons <adesmons@mandrakesoft.com>
#          Florent Villard <warly@mandrakesoft.com>
#          antoine Ginies <aginies@mandriva>
#
# 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::Samba;
use strict;

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

use Libconf::Templates;
use Libconf::Glueconf::Samba::Smb_conf;

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

my $DOMAINNAME = chomp_(`dnsdomainname`);
my $SHORTHOSTNAME = chomp_(`hostname -s`);
my $wiz_samba_etc = "/etc/sysconfig/wizard_samba";
my @listshare;

my $o = {
	 name => 'Samba wizard',
	 var => {
		 wiz_box_list => '',
		 wiz_netbios => '',
		 wiz_hosts_allow => '',
		 wiz_do_file_sharing => '',
		 wiz_all_printers => '',
		 wiz_level => '',
		 wiz_printers => '',
		 wiz_do_printer_sharing => '',
		 wiz_printers_comment => '',
		 wiz_printers_browseable => '',
		 wiz_printers_guestok => '',
		 wiz_printers_createmode => '',
		 wiz_do_homes => '',
		 wiz_workgroup => '',
		 wiz_dir => '',
		 wiz_share_comment => '',
		 wiz_share_browseable => '',
		 wiz_share_writable => '',
		 wiz_banner => '',
		 wiz_write_list => '',
		 wiz_read_list => '',
		 wiz_hosts_deny => '',
		 wiz_log_file => '',
		 wiz_log_level => '',
		 wiz_max_log_size => '',
		 list_printers => '',
		 wiz_home_writable => '',
		 wiz_home_browseable => '',
		 wiz_home_createmode => '',
		 wiz_home_comment => '',
		 wiz_local_master => '',
		 wiz_os_level => '',
		 wiz_security => '',
		 wiz_domain_logons => '',
		 wiz_domain_master => '',
		 wiz_password_server => '',
		 wiz_passdb_backend => '',
		 wiz_passdb_backend_yn => '',
		 wiz_domain => '',
		 wiz_ldap_admin_dn => '',
		 wiz_ldap_suffix => '',
		 wiz_ldap_root_pw => '',
		 wiz_ldap_root_pw_2 => '',
		 wiz_addshare_comment => '',
		 wiz_addshare_browseable => '',
		 wiz_addshare_writable => '',
		 wiz_addshare_createmode => '',
		 wiz_selected_share => '',
		 wiz_selected_share_comment => '',
		},
	 init => sub {
           test_host_domain($SHORTHOSTNAME, $DOMAINNAME);
         },
	 needed_rpm => [ 'samba-server' ],
	 defaultimage => "/usr/share/wizards/samba_wizard/images/samba.png"
	};

# we ask glueconf to give us the structure representing /etc/samba/smb.conf
my $samba = new Libconf::Glueconf::Samba::Smb_conf({ filename => '/etc/samba/smb.conf', show_commented_info => 1 });

#debug
use Data::Dumper;
#print Dumper($samba);

my %level = (
    1 => N('All - No access restriction'),
    2 => N('My rules - Ask me allowed and denied hosts')
);

my %type = (
	    1 => N('BDC - backup domain controller'),
	    2 => N('PDC - primary domain controller'),
	    3 => N('Standalone - standalone server'),
	    4 => N('Member - member of a domain'),
	    5 => N('Share - Manage your share'),
	   );

my %share = (
	     1 => N('Add - add a share'),
	     2 => N('Remove - remove a share'),
	     3 => N('Modify - modify a share'),
	     4 => N('CDrom - share a CDrom'),
	    );

my @yesorno = qw(yes no);
my @loglevel = qw(0 1 2 3 4 5 6 7 8 9 10);

$o->{pages} = {
	       welcome => {
			   name => N('Samba Configuration Wizard') . "\n\n" . N('Samba allows your server to behave as a file and print server for workstations running non-Linux systems.') . "\n\n" . N('This wizard will help you configuring the Samba services of your server.') . "\n\n" . N('PDC: primary domain controller') . "\n" . N('BDC: backup domain controller') . "\n" . N('standalone: standalone server') . "\n" . N('Member: member of a domain'),
			   no_back => 1,
                           pre => sub {
			     if (-f $wiz_samba_etc) {
			       $::in->ask_warn(N("Information"), N("It seems you previously setup a Samba server. This wizard will re-read your old configuration, and show you the Samba server type you choose"));
			       my $data = cat_($wiz_samba_etc);
			       # detect old Samba type
			       my ($old_type) = $data =~ /type=(\d)/;
			       $o->{var}{wiz_type} = chomp_($old_type);
			     } else { $o->{var}{wiz_type} = 2 }
			   },
			   next => 'ask_type',
			   post => sub {
                             if ($o->{var}{wiz_type} == 2) {
                               return 'pdc' }
                             elsif ($o->{var}{wiz_type} == 1) {
                               return 'bdc' }
                             elsif ($o->{var}{wiz_type} == 3) {
			       return 'ask_workgroup' }
                             elsif ($o->{var}{wiz_type} == 4) {
			       return 'member' }
                             elsif ($o->{var}{wiz_type} == 5 and -f $wiz_samba_etc) {
			       return 'share_menu';
			     }
                           },
                           data => [
                                    { label => N("Wich type of Samba server do you you want:"), val => \$o->{var}{wiz_type}, list => [ keys %type ], format => sub { $type{$_[0]} } },
                                   ],
                          },
	       pdc => {
		       name => N('PDC server: primary domain controller')  . "\n\n" . N('Server configured as a PDC is responsible for Windows authentication throughout the domain.') . "\n" . N('Single server installations may use smbpasswd or tdbsam password backends, but large installations should use the LDAP backend to provide centralized management of both Posix users and Windows users.') . "\n" . N('Domain master = yes, causes the server to register the NetBIOS name <pdc name>1B. This name will be recognized by other servers.'),
		       pre => sub {
			       $o->{var}{wiz_domain_master} = "yes";
			       $o->{var}{wiz_security} = "user";
			       $o->{var}{wiz_domain_logons} = "yes";
			       $o->{var}{wiz_wins_support} ||= $samba->{global}{'wins support'};
			       if ($samba->{global}{'passdb backend'}) {
				 $o->{var}{wiz_passdb_backend_yn} = "yes"
			       } else {
				 $o->{var}{wiz_passdb_backend_yn} = "no"
			       }
			     },
		       post => sub {
			 $o->{var}{wiz_passdb_backend_yn} =~ /yes/ and return 'ldap_conf';
		       },
		       data => [
				{ label => N('Domain logons:'), fixed_val => \$o->{var}{wiz_domain_logons} },
				{ label => N('Domain master:'), fixed_val => \$o->{var}{wiz_domain_master} },
				{ label => N('Security:'), fixed_val => \$o->{var}{wiz_security} },
				{ label => N('Wins support:'), val => \$o->{var}{wiz_wins_support}, fixed_list => \@yesorno },
				{ label => N('Use LDAP Passdb backend'), val => \$o->{var}{wiz_passdb_backend_yn}, fixed_list => \@yesorno },
			       ],
		       complete => sub {
				    if (!$o->{var}{wiz_domain_master}) {
				      $::in->ask_warn(N("Error"), N("The domain is wrong."));
				      return 1
				    } else { return 0 };
				   },
		       next => 'ask_workgroup',
		      },
	       bdc => {
		       name => N('BDC server: backup domain controller') . "\n\n" . N('This enables BDCs to carry much of the network logon processing. A BDC on a local segment handles logon requests and authenticates users when the PDC is busy on the local network. When a segment becomes heavily loaded, the reponsibility is offloaded to another segment\'s BDC or to the PDC. Therefore, you can optimize resources and add robustness to network services by deploying BDCs throughout the network.'),
		       pre => sub {
			       $o->{var}{wiz_domain_master} = "no";
			       $o->{var}{wiz_security} = "user";
			      },
		       data => [
				{ label => N('Security:'), fixed_val => \$o->{var}{wiz_security} },
				{ label => N('Domain master:'), fixed_val => \$o->{var}{wiz_domain_master} },
			       ],
		       complete => sub {
				    if (!$o->{var}{wiz_domain_master}) {
				      $::in->ask_warn(N("Error"), N("The domain is wrong."));
				      return 1
				    } else { return 0 };
				   },
		       next => 'ask_workgroup',
		      },
	       member => {
			  name => N('Member of a domain') . "\n\n" . ('Share data, users home or printers.') . "\n" . N('Please enter the domain you want to join.'),
			  pre => sub {
				  $o->{var}{wiz_security} = "domain";
				  $o->{var}{wiz_domain_master} = "no";
				  $o->{var}{wiz_password_server} ||= $samba->{global}{'password server'};
				  $o->{var}{wiz_domain} ||= $samba->{global}{domain};
				  if ($samba->{global}{'passdb backend'}) {
				    $o->{var}{wiz_passdb_backend_yn} = "yes"
				  } else {
				    $o->{var}{wiz_passdb_backend_yn} = "no"
				  }
				},
			  post => sub {
			    $o->{var}{wiz_passdb_backend_yn} =~ /yes/ and return 'ldap_conf';
			  },
			  data => [
				   { label => N('Password server'), val => \$o->{var}{wiz_password_server} },
				   { label => N('Domain:'), val => \$o->{var}{wiz_domain} },
				   { label => N('Use LDAP Passdb backend'), val => \$o->{var}{wiz_passdb_backend_yn}, fixed_list => \@yesorno },
				   { label => N('Security:'), fixed_val => \$o->{var}{wiz_security} },
				   { label => N('Domain master:'), fixed_val => \$o->{var}{wiz_domain_master} },
				  ],
			  complete => sub {
				       if (!$o->{var}{wiz_domain}) {
					 $::in->ask_warn(N("Error"), N("The domain is wrong."));
					 return 1
				       } else { return 0 };
				      },
			  next => 'ask_workgroup',
			 },
	       share_menu => {
			      name => N('What do you want todo with your share ?') . "\n\n" . N('add/remove/modify a share'),
			      data => [
				       { label => N("what do you want:"), val => \$o->{var}{wiz_share}, list => [ keys %share ], format => sub { $share{$_[0]} } },
				      ],
			      post => sub {
				if ($o->{var}{wiz_share} == 1) {
				  return 'add_share' }
				elsif ($o->{var}{wiz_share} == 2) {
				  return 'choose_share' }
				elsif ($o->{var}{wiz_share} == 3) {
				  return 'choose_share' }
				elsif ($o->{var}{wiz_share} == 4) {
				  return 'add_cdrom_share' }
			      },
			      no_back => 1,
			     },
	       choose_share => {
				name => N('Manage wich share ?') . "\n\n" . N('Please choose the share you want to manage.'),
				pre => \&list_all_shares,
				post => sub {
				  if ($o->{var}{wiz_share} == 2) {
				    return 'delete_share';
				  } else {
				    return 'modify_share';
				  }
				},
				data => [
					 { label => N('Choose share you want to manage:'), val => \$o->{var}{wiz_selected_share}, fixed_list => \@listshare },
					],
				complete => sub {
				  if ($o->{var}{wiz_selected_share} =~ /cdrom/ || $o->{var}{wiz_share} == 2) {
				    $::in->ask_warn(N('Error'), N('Can\'t modify cdrom share, please choose another share.'));
				    return 1;
				  }
				},
			       },
	       delete_share => {
				name => N('Remove a share ?'),
				pre => sub {
					my $dshare = $o->{var}{wiz_selected_share};
					$o->{var}{wiz_selected_share_comment} = $samba->{$dshare}{comment};
				       },
				data => [
					 { label => N('Delete this share:'), fixed_val => \$o->{var}{wiz_selected_share} },
					 { label => N('Comment for this share:'), fixed_val => \$o->{var}{wiz_selected_share_comment} },
					],
				next => 'summary_delete',
			       },
	       modify_share => {
				name => N('Modify a share'),
				pre => sub {
				  my $share = $o->{var}{wiz_selected_share};
				  $o->{var}{wiz_share_comment} = $samba->{$share}{comment};
				  $o->{var}{wiz_add_share_writable} = $samba->{$share}{writable};
				  $o->{var}{wiz_share_browseable} = $samba->{$share}{browseable};
				  $o->{var}{wiz_share_public} = $samba->{$share}{public};
				},
				complete => sub {
				  if (!($o->{var}{wiz_share_comment})) {
				    $::in->ask_warn(N('Error'), N('Please enter a share comment.'));
				    return 1;
				  }
				},
				data => [
					 { label => N('Name of the share:'), fixed_val => \$o->{var}{wiz_selected_share} },
					 { label => N('Comment:'), val => \$o->{var}{wiz_share_comment} },
					 { label => N('Browseable:'), val => \$o->{var}{wiz_share_browseable}, fixed_list => \@yesorno },
					 { label => N('Writable:'), val => \$o->{var}{wiz_share_writable}, fixed_list => \@yesorno },
					 { label => N('Public:'), val => \$o->{var}{wiz_share_public}, fixed_list => \@yesorno },
					],
				next => 'modify_share_options',
			       },
	       modify_share_options => {
					name => N('Modify a share'),
					pre => sub {
					  my $share = $o->{var}{wiz_selected_share};
					  $o->{var}{wiz_share_createmode} = $samba->{$share}{'create mode'};
					  $o->{var}{wiz_share_readlist} = exists $samba->{$share}{'read list'};
					  $o->{var}{wiz_share_writelist} = exists $samba->{$share}{'write list'};
					},
					data => [
						 { label => N('Create mode:'), val => \$o->{var}{wiz_share_createmode} },
						 { label => N('Read list:'), val => \$o->{var}{wiz_share_readlist}, help => N('root fred @users @wheel') },
						 { label => N('Write list:'), val => \$o->{var}{wiz_share_writelist}, help => N('root fred @users @wheel') },
						],
					next => 'summary_modify',
				       },
	       add_share => {
			     name => N('Add a share') . "\n" . N('Comment: description of the share') . "\n" . N('Browseable: view share') . "\n" . N('Writable: user can write in the share'),
			     data => [
				      { label => N('Name of the share:'), val => \$o->{var}{wiz_addshare_name} },
				      { label => N('Comment:'), val => \$o->{var}{wiz_addshare_comment} },
				      { label => N('Browseable:'), val => \$o->{var}{wiz_addshare_browseable}, fixed_list => \@yesorno },
				      { label => N('Public:'), val => \$o->{var}{wiz_addshare_public}, fixed_list => \@yesorno },
				     ],
			     complete => sub {
			       foreach my $clef (keys %$samba) {
				 if ($clef =~ /$o->{var}{wiz_addshare_name}/) {
				   $::in->ask_warn(N("Error"), N("Share with the same name already exist, please choose another name."));
				   return 1
				 }
			       }
			     },
			     next => 'add_share_options',
			    },
	       add_cdrom_share => {
				   name => N('Add a CDROM share'),
				   pre => sub {
				     if ($samba->{cdrom}{comment}) {
				       $o->{var}{wiz_cdrom_comment} = $samba->{cdrom}{comment};
				     } else {
				       $o->{var}{wiz_cdrom_comment} = "%L CDrom";
				     }
				     if ($samba->{cdrom}{path}) {
				       $o->{var}{wiz_cdrom_path} = $samba->{cdrom}{path}
				     } else {
				       $o->{var}{wiz_cdrom_path} = "/mnt/cdrom";
				     }
				     $o->{var}{wiz_cdrom_browseable} = "yes";
				     $o->{var}{wiz_cdrom_pre} = "/bin/mount /mnt/cdrom";
				     $o->{var}{wiz_cdrom_post} = "/bin/umount /mnt/cdrom";
				     $o->{var}{wiz_cdrom_public} = "yes";
				   },
				   data => [
					 { label => N('Comment:'), fixed_val => \$o->{var}{wiz_cdrom_comment} },
					 { label => N('Cdrom path:'), fixed_val => \$o->{var}{wiz_cdrom_path} },
					 { label => N('Browseable:'), fixed_val => \$o->{var}{wiz_cdrom_browseable} },
					 { label => N('Root preexec:'), fixed_val => \$o->{var}{wiz_cdrom_pre} },
					 { label => N('Root postexec:'), fixed_val => \$o->{var}{wiz_cdrom_post} },
					 { label => N('Public:'), fixed_val => \$o->{var}{wiz_cdrom_public} },
					],
				   next => 'summary_addcdromshare',
				  },
	       add_share_options => {
				     name =>  N('Add a share') . "\n" . N('If you doesn\'t want to use one this options, leave it blanck.'),
				     pre => sub {
				       $o->{var}{wiz_addshare_createmode} = "0700";
				       $o->{var}{wiz_addshare_public} = "no";
				     },
				     data => [
					      { label => N('Writable:'), val => \$o->{var}{wiz_addshare_writable}, fixed_list => \@yesorno },
					      { label => N('Create mode:'), val => \$o->{var}{wiz_addshare_createmode} },
					      { label => N('Read list:'), val => \$o->{var}{wiz_addshare_readlist}, help => N('root fred @users @wheel') },
					      { label => N('Write list:'), val => \$o->{var}{wiz_addshare_writelist}, help => N('root fred @users @wheel') }
					     ],
				     next => 'summary_addshare',
				    },
	       ldap_conf => {
			     name => N('LDAP configuration for Domain Controlling') . "\n\n" . N('The account (dn) that samba uses to access the LDAP server. This account needs to have write access to the LDAP tree. You will need to give samba the password for this dn.'),
			     pre => sub {
			       if ($samba->{global}{'ldap suffix'}) {
				 $o->{var}{wiz_ldap_suffix} = $samba->{global}{'ldap suffix'};
			       } else {
				 $o->{var}{wiz_ldap_suffix} = "dc=mydomain, dc=com";
			       }
			       if ($samba->{global}{'ldap admin dn'})
				 { $o->{var}{wiz_ldap_admin_dn} ||= $samba->{global}{'ldap admin dn'}
				 } else {
				   $o->{var}{wiz_ldap_admin_dn} = "root";
				 }
			       if ($samba->{global}{'passdb backend'}) {
				 $o->{var}{wiz_passdb_backend} = $samba->{global}{'passdb backend'}
			       } else {
				 $o->{var}{wiz_passdb_backend} = "ldapsam:ldap://localhost";
			       }
			     },
			     data => [
				      { label => N('Passdb backend'), val => \$o->{var}{wiz_passdb_backend}, help => "ldapsam:ldap://<ldap server name>" },
				      { label => N('LDAP administrator'), val => \$o->{var}{wiz_ldap_admin_dn}, help => "root" },
				      { label => N('LDAP suffix'), val => \$o->{var}{wiz_ldap_suffix}, help => "dc=$DOMAINNAME,dc=com" },
				      { label => N('LDAP password'), hidden => 1, val => \$o->{var}{wiz_ldap_root_pw} },
				      { label => N('LDAP password check:'), hidden => 1, val => \$o->{var}{wiz_ldap_root_pw_2} },
				     ],
			     complete => sub {
			       if (!($o->{var}{wiz_ldap_suffix})) {
				 $::in->ask_warn(N('Error'), N('Please provide an LDAP suffix.'));
				 return 1;
			       }
                               if (! ($o->{var}{wiz_ldap_admin_dn})) {
                                 $::in->ask_warn(N('Error'), N('Please enter an LDAP administrator.'));
                                 return 1;
                               }
			       if (! ($o->{var}{wiz_ldap_root_pw})) {
				 $::in->ask_warn(N('Error'), N('Please enter an LDAP password.'));
				 return 1;
			       }
			       if ($o->{var}{wiz_ldap_root_pw} ne $o->{var}{wiz_ldap_root_pw_2}) {
				 $::in->ask_warn(N('Error'), N('Pasword dont match.'));
				 return 1;
			       }
			     },
			     next => 'ask_workgroup',
			    },
	       ask_workgroup => {
				 name => N('Workgroup') . "\n\n" . N('Samba needs to know the Windows Workgroup it will serve.'),
				 pre => sub {
				   $o->{var}{wiz_workgroup} ||= $samba->{global}{workgroup};
				   $o->{var}{wiz_netbios} ||= $samba->{global}{netbios};
				 },
				 data => [
					  { label => N('Workgroup:'), val => \$o->{var}{wiz_workgroup} },
					 ],
				 complete => sub {
				   if (!$o->{var}{wiz_workgroup}) {
                                     $::in->ask_warn(N("Error"), N("The Workgroup is wrong."));
				     return 1
				   } else { return 0 };
				 },
				 next => 'ask_banner',
				},
	       ask_banner => {
			      name => N('Server Banner.') . "\n\n" . N('The banner is the way this server will be described in the Windows workstations.'),
			      pre => sub {
				$o->{var}{wiz_banner} ||= $samba->{global}{'server string'}
			      },
			      data => [
				       { label => N('Banner:'), val => \$o->{var}{wiz_banner}, help => "Samba Server %v" },
				      ],
			      complete => sub {
				if (!$o->{var}{wiz_banner}) {
				  $::in->ask_warn(N("Error"), N("The Server Banner is incorrect."));
				  return 1
				} else { return 0 };
			      },
			      next => 'ask_log',
			     },
	       ask_log => {
			   name => N('Samba Log') . "\n\n" . N('Log file: use file.%m to use a separate log file for each machine that connects') . "\n" . N('Log level: set the log (verbosity) level (0 <= log level <= 10)') . "\n" . N('Max Log size: put a capping on the size of the log files (in Kb).'),
			   pre => sub {
			     $o->{var}{wiz_log_file} ||= $samba->{global}{'log file'};
			     $o->{var}{wiz_log_level} ||= $samba->{global}{'log level'};
			     $o->{var}{wiz_max_log_size} ||= $samba->{global}{'max log size'};
			   },
			   data => [
				    { label => N('Log file:'), val => \$o->{var}{wiz_log_file}, help => "/var/log/samba/log.%m" },
				    { label => N('Max log size:'), val => \$o->{var}{wiz_max_log_size}, help => "50" },
				    { label => N('Log level:'), val => \$o->{var}{wiz_log_level}, fixed_list => \@loglevel },
				   ],
			   next => 'ask_services',
			  },
	       ask_netmask => {
			       name => N('Access control') . "\n\n" . N('* Example 1: allow all IPs in 150.203.*.*; except one\nhosts allow = 150.203. EXCEPT 150.203.6.66') . "\n\n" . N('* Example 2: allow hosts that match the given network/netmask\nhosts allow = 150.203.15.0/255.255.255.0') . "\n\n" . N('* Example 3: allow a couple of hosts\nhosts allow = lapland, arvidsjaur') . "\n\n" . N('* Example 4: allow only hosts in NIS netgroup "foonet",  but deny access from one particular host\nhosts allow = @foonet\nhosts deny = pirate') . "\n\n" . N('Note that access still requires suitable user-level passwords.'),
			       pre => sub {
				 $o->{var}{wiz_hosts_allow} ||= $samba->{global}{'hosts allow'};
				 $o->{var}{wiz_hosts_allow} ||= $samba->{global}{'hosts deny'};
			       },
			       post => \&check,
			       data => [
					{ label => N('Allow hosts:'), val => \$o->{var}{wiz_allow_host}, help => "150.203. EXCEPT 150.203.6.66" },
					{ label => N('Deny hosts:'), val => \$o->{var}{wiz_deny_host}, help => "guibux, 10.0.1.253" },				       ],
			       next => 'ask_services',
			      },
	       ask_services => {
				name => N('Enabled Samba Services') . "\n\n" . N('Samba can provide a common file sharing area to your Windows workstation, and can also provide printer sharing for the printers connected to your server.'),
				pre => sub {
				  $o->{var}{wiz_do_file_sharing} ||= exists $samba->{public};
				  $o->{var}{wiz_do_printer_sharing} ||= exists $samba->{printers};
				  $o->{var}{wiz_do_homes} ||= exists $samba->{homes};
				},
				data => [
					 { text => N('Enable file sharing area'), type => 'bool', val => \$o->{var}{wiz_do_file_sharing} },
					 { text => N('Enable Server Printer Sharing'), type => 'bool', val => \$o->{var}{wiz_do_printer_sharing} },
					 { text => N('Make home directories available for their owners'), type => 'bool', val => \$o->{var}{wiz_do_homes} },
					],
				post => sub {
				  if ($o->{var}{wiz_do_file_sharing} == 1) {
				    return 'ask_dir';
				  } elsif ($o->{var}{wiz_do_printer_sharing} == 1) {
				    return 'ask_printers';
				  } elsif ($o->{var}{wiz_do_homes} == 1) {
				    return 'ask_homes';
				  } else { return 'summary' }
				},
				next => 'ask_dir',
			       },
	       ask_dir => {
			   name => N('Shared directory:') . "\n\n" . N('Type the path of the directory you want being shared.'),
			   pre => sub {
			     $o->{var}{wiz_dir} ||= $samba->{public}{path};
			     if ($samba->{public}{comment}) {
			       $o->{var}{wiz_share_comment} ||= $samba->{public}{comment}
			     } else {
			       $o->{var}{wiz_share_comment} = "Public Share";
			     }
			     $o->{var}{wiz_share_browseable} ||= $samba->{public}{browseable};
			     $o->{var}{wiz_share_writable} ||= $samba->{public}{writable};
			   },
			   data => [
				    { label => N('Comment:'), val => \$o->{var}{wiz_share_comment} },
				    { label => N('Shared directory:'), val => \$o->{var}{wiz_dir} },
				    { label => N('Browseable:'), val => \$o->{var}{wiz_share_browseable}, fixed_list => \@yesorno },
				    { label => N('Writable:'), val => \$o->{var}{wiz_share_writable}, fixed_list => \@yesorno },
				    { text => N("Create shared directory if it doesn't exist"), type => 'bool', val => \$o->{var}{create_missing_directory} },
				   ],
			   complete => sub {
			     if(!$o->{var}{wiz_dir}) {
			       $::in->ask_warn(N("Error"), N("Please enter directory path."));
			     } else {
			       if (! -d $o->{var}{wiz_dir} and $o->{var}{create_missing_directory}) {
				 wiz_mkdir_p($o->{var}{wiz_dir}) or $::in->ask_warn(N("Error"), N("Failed to create directory."));
				 return 1;
			       }
			     }
			   },
			   next => 'ask_access'
			  },
	       ask_access => {
			      name => N('File permissions') . "\n\n" . N('Type users or group separated by a comma (groups must be preceded by a \'@\') like this :') . "\n". N('root, fred, @users, @wheel for each kind of permission.') . "\n" . N('You need to use filesystem with ACL support, like XFS or ext3 mounted with ACL options, or you file permissions won\'t work.'),
			      pre => sub {
				$o->{var}{wiz_read_list} ||= $samba->{public}{'read list'};
				$o->{var}{wiz_write_list} ||= $samba->{public}{'write list'};
			      },
			      post => sub {
				if ($o->{var}{wiz_do_printer_sharing} == 1) {
				  return 'ask_printers';
				} elsif ($o->{var}{wiz_do_homes} == 1) {
				  return 'ask_homes';
				}
			      },
			      data => [
				       { label => N('read list:'), help => N('root fred @users @wheel'), val => \$o->{var}{wiz_read_list} },
				       { label => N('write list:'), help => N('root fred @users @wheel'), val => \$o->{var}{wiz_write_list} },
				      ],
			      next => 'summary',
			     },
	       ask_printers => {
				name => N('Select which printers you want to be accessible from known users'),
				pre => sub {
				  $o->{var}{list_printers} ||= [ list_printers() ];
				  $o->{var}{wiz_box_list} ||= [];
				},
				data => [
					 { text => N('Enable all printers'), type => 'bool', val => \$o->{var}{wiz_all_printers} },
					 { val => \$o->{var}{wiz_box_list}, boolean_list => \$o->{var}{list_printers}, disabled => sub { $o->{var}{wiz_all_printers} and return 1; 0 } },
					],
				next => 'ask_printers_options',
			       },
	       ask_printers_options => {
					name => N('Now you can configure your printers service. Change value only if you know what your are doing.'),
					pre => sub {
					  if ($samba->{printers}{comment}) {
					    $o->{var}{wiz_printers_comment} ||= $samba->{printers}{comment}
					  } else {
					    $o->{var}{wiz_printers_comment} = "All Printers";
					  }
					  $o->{var}{wiz_printers_browseable} ||= $samba->{printers}{browseable};
					  $o->{var}{wiz_printers_guestok} ||= $samba->{printers}{'guest ok'};
					  if ($samba->{printers}{'create mode'}) {
					    $o->{var}{wiz_printers_createmode} ||= $samba->{printers}{'create mode'}
					  } else {
					    $o->{var}{wiz_printers_createmode} = "0700";
					  }
					},
					post => sub {
					  if ($o->{var}{wiz_do_homes} == 1) {
					    return 'ask_homes';
					  }
					},
					data => [
						 { label => N('Comment:'), val => \$o->{var}{wiz_printers_comment} },
						 { label => N('Create mode:'), val => \$o->{var}{wiz_printers_createmode} },
						 { label => N('Browseable:'), val => \$o->{var}{wiz_printers_browseable}, fixed_list => \@yesorno },
						 { label => N('Guest ok:'), val => \$o->{var}{wiz_printers_guestok}, fixed_list => \@yesorno },
						],
					next => 'summary',
				       },
	       ask_homes => {
			     name => N('Users home options') . "\n" . N('You have selected to allow user access their home directories via samba but you/they must use smbpasswd to set a password.') . "\n" . N('Comment: description of users home directory') . "\n" . N('Browseable: view share') . "\n" . N('Writable: user can write in their home') . "\n" . N('Create mode: man chmod for more info'),
			     pre => sub {
			       if ($samba->{homes}{comment}) {
				 $o->{var}{wiz_home_comment} ||= $samba->{homes}{comment};
			       } else {
				 $o->{var}{wiz_home_comment} = "Home Directories";
			       }
			       $o->{var}{wiz_home_browseable} ||= $samba->{homes}{browseable};
			       $o->{var}{wiz_home_writable} ||= $samba->{homes}{writable};
			       if ($samba->{homes}{'create mode'}) {
				 $o->{var}{wiz_home_createmode} ||= $samba->{homes}{'create mode'};
			       } else {
				 $o->{var}{wiz_home_createmode} = "0755";
			       }
			     },
			     data => [
				      { label => N('Comment:'), val => \$o->{var}{wiz_home_comment} },
				      { label => N('Browseable:'), val => \$o->{var}{wiz_home_browseable}, fixed_list => \@yesorno },
				      { label => N('Writable:'), val => \$o->{var}{wiz_home_writable}, fixed_list => \@yesorno },
				      { label => N('Create mode:'), val => \$o->{var}{wiz_home_createmode} },
				     ],
			     next => 'summary',
			    },
	       summary_modify => {
				  name => N('Summary modify a share') . "\n\n" . N('If you really want to modify this share, click the Next button or use the Back button.'),
				  data => [
					   { label => N('Name of the share:'), fixed_val => \$o->{var}{wiz_share_name} },
					   { label => N('Comment:'), fixed_val => \$o->{var}{wiz_share_comment} },
					   { label => N('Browseable:'), fixed_val => \$o->{var}{wiz_share_browseable} },
					   { label => N('Writable:'), fixed_val => \$o->{var}{wiz_share_writable} },
					   { label => N('Public:'), fixed_val => \$o->{var}{wiz_share_public} },
					   { label => N('Create mode:'), fixed_val => \$o->{var}{wiz_share_createmode} },
					   { label => N('Read list:'), fixed_val => \$o->{var}{wiz_share_readlist} },
					   { label => N('Write list:'), fixed_val => \$o->{var}{wiz_share_writelist} },
					  ],
				  post => \&do_it_modify_share,
				  next => 'end_modify_share',
				 },
	       summary_addcdromshare => {
					 name => N('CDROM') . "\n\n" . N('If you really want to share a CDROM, click the Next button or use the Back button.'),
					 post => \&do_it_add_cdromshare,
					 data => [
						  { label => N('Comment:'), fixed_val => \$o->{var}{wiz_cdrom_comment} },
						  { label => N('Cdrom path:'), fixed_val => \$o->{var}{wiz_cdrom_path} },
						  { label => N('Browseable:'), fixed_val => \$o->{var}{wiz_cdrom_browseable} },
						  { label => N('Root preexec:'), fixed_val => \$o->{var}{wiz_cdrom_pre} },
						  { label => N('Root postexec:'), fixed_val => \$o->{var}{wiz_cdrom_post} },
						  { label => N('Public:'), fixed_val => \$o->{var}{wiz_cdrom_public} },
						 ],
					 next => 'end_add_share',
					},
	       summary_addshare => {
				    name => N('Summary add share') . "\n\n" . N('If you really want to add this this share, click the Next button or use the Back button.'),
				    post => \&do_it_add_share,
				    data => [
					     { label => N('Name of the share:'), fixed_val => \$o->{var}{wiz_addshare_name} },
					     { label => N('Comment:'), fixed_val => \$o->{var}{wiz_addshare_comment} },
					     { label => N('Browseable:'), fixed_val => \$o->{var}{wiz_addshare_browseable} },
					     { label => N('Writable:'), fixed_val => \$o->{var}{wiz_addshare_writable} },
					     { label => N('Public:'), fixed_val => \$o->{var}{wiz_addshare_public} },
					     { label => N('Create mode:'), fixed_val => \$o->{var}{wiz_addshare_createmode} },
					     { label => N('Read list:'), fixed_val => \$o->{var}{wiz_addshare_readlist} },
					     { label => N('Write list:'), fixed_val => \$o->{var}{wiz_addshare_writelist} },
					    ],
				    next => 'end_add_share',
				   },
	       summary_delete => {
				  name => N('Summary remove a share') . "\n\n" . N('If you really want to remove this share, click the Next button or use the Back button.'),
				    data => [
					     { label => N('Name of the share to delete:'), fixed_val => \$o->{var}{wiz_selected_share} },
					    ],
				  post => \&do_it_remove_share,
				  next => 'end_delete_share',
				 },
	       summary => {
			   name =>  N('Configuring Samba') . "\n\n" . N('The wizard collected the following parameters to configure Samba.') . "\n\n" . N('To accept these values, and configure your server, click the Next button or use the Back button to correct them.') . "\n\n" . N('If you have previously create some shares, they will appear in this configuration. Re-run wizard and choose: Manage share to remove/add/modify them.'),
			   pre => sub {
			     $o->{var}{printers} = get_printers();
			     $o->{var}{file_sharing} = $o->{var}{wiz_do_file_sharing} ? N("enabled") : N("disabled");
			     $o->{var}{printer_sharing} = $o->{var}{wiz_do_printer_sharing} ? N("enabled") : N("disabled");
			     $o->{var}{shared_homes} = $o->{var}{wiz_do_homes} ? N("enabled") : N("disabled")
			   },
			   data => [
				    { label => N('Workgroup:'), fixed_val => \$o->{var}{wiz_workgroup} },
				    { label => N('Server Banner:'), fixed_val => \$o->{var}{wiz_banner} },
				    { label => N('File Sharing:'), fixed_val => \$o->{var}{file_sharing} },
				    { label => N('Print Server:'), fixed_val => \$o->{var}{printer_sharing} },
				    { label => N('Home:'), fixed_val => \$o->{var}{shared_homes} },
				   ],
			   post => \&do_it,
			   next => 'end'
			  },
	       end => {
		       name => N('Congratulations') . "\n\n" . N('The wizard successfully configured your Samba server.'),
		       post => sub {
			 store_samba_type($o->{var}{wiz_type});
		       },
		       end => 1,
		       next => 0
		      },
	       end_modify_share => {
				 name => N('Congratulations') . "\n\n" . N('The wizard successfully modify your share.'),
				 end => 1,
				 next => 0
				},
	       end_add_share => {
				 name => N('Congratulations') . "\n\n" . N('The wizard successfully add your share.'),
				 end => 1,
				 next => 0
				},
	       end_delete_share => {
				    name => N('Congratulations') . "\n\n" . N('The wizard successfully remove your share.'),
				    end => 1,
				    next => 0
				   },
	       error_end => {
			     name => N("Failed"),
			     data => [ { label => N("Please relaunch drakwizard, and try to change some parameters.") } ],
			     no_back => 1,
			     end => 1,
			     next => 0,
			    },
	      };

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

sub wiz_mkdir_p {
  my ($dir) = @_;
  if (-d $dir) {
    # Do nothing, directory exists
  } elsif (-e $dir) {
    # Directory is file, we are not going to delete it
    return 0;
  } else {
    # Create parent directory
    wiz_mkdir_p(dirname($dir)) or return 0;
    # Create our directory
    mkdir($dir, 0755) or return 0;
    chown "nobody", "users", $dir;
  }
  1;
}

sub check() {
    $> and return 1;
    $wiz->{net}->is_dhcp() and return 2;
    0;
}

#section has the name of the printer
sub add_printer {
    my ($printer) = @_;
    $samba->{$printer}{printer} = $printer;
    $samba->{$printer}{printable} = 'yes';
}

sub remove_share {
  my ($share) = @_;
  delete $samba->{$share};
}

sub remove_printer {
  my ($printer) = @_;
  delete $samba->{$printer};
}

sub list_printers() {
    my @list if 0;
    return @list if @list;
    @list = sort grep /^(?!\#).+/, map {
        my ($printer) = split(':', $_);
    } cat_("/etc/printcap");
    if (@list) {
	@list
    } else { () }
}

sub list_all_shares() {
  undef @listshare;
  foreach my $clef (keys %$samba) {
    if ($samba->{$clef}{printable} =~ /yes/i) {
      print "$clef is a printer\n";
    } elsif ($clef =~ /global/ or $clef =~ /print\$/) {
      print "unwanted\n";
    } else {
      push @listshare, $clef;
    }
  }
  return @listshare;
}

sub printer_sharing() {
  # create default sedction for printers with default value
  $samba->{printers};
  $samba->{printers}{comment} = $o->{var}{wiz_printers_comment};
  $samba->{printers}{browseable} = $o->{var}{wiz_printers_browseable};
  $samba->{printers}{'guest ok'} = $o->{var}{wiz_printers_guestok};
  $samba->{printers}{'create mode'} = $o->{var}{wiz_printers_createmode};
  # dont want user to change those value...
  $samba->{printers}{path} = "/var/spool/samba";
  $samba->{printers}{writable} = "no";
  $samba->{printers}{printable} = "yes";
  $samba->{printers}{'print command'} = "lpr-cups -P %p -o raw %s -r";
  $samba->{printers}{'use client driver'} = "yes";
  for (my $i; $i < @{$o->{var}{wiz_box_list}}; $i++) {
    my $printer = $o->{var}{list_printers}[$i];
    if ($o->{var}{wiz_box_list}[$i]) {
      add_printer($printer);
    } else {
      remove_printer($printer);
    }
  }
}

sub global_special_options() {
  $o->{var}{wiz_domain_master} and $samba->{global}{'domain master'} = $o->{var}{wiz_domain_master};
  $o->{var}{wiz_security} and $samba->{global}{security} = $o->{var}{wiz_security};
  $o->{var}{wiz_domain_logons} and $samba->{global}{'domain logons'} = $o->{var}{wiz_domain_logons};
  $o->{var}{wiz_passdb_backend} and $samba->{global}{'passdb backend'} = $o->{var}{wiz_passdb_backend};
  $o->{var}{wiz_wins_support} and $samba->{global}{'wins support'} = $o->{var}{wiz_wins_support};
  $o->{var}{wiz_password_server} and $samba->{global}{'password server'} = $o->{var}{wiz_password_server};
  $o->{var}{wiz_domain} and $samba->{global}{domain} = $o->{var}{wiz_domain};
  # ldap options
  if ($o->{var}{wiz_passdb_backend_yn} == "yes" ) {
     $samba->{global}{'passdb backend'} = $o->{var}{wiz_passdb_backend};
     $samba->{global}{'ldap admin_dn'} = $o->{var}{wiz_ldap_admin_dn};
     $samba->{global}{'ldap suffix'} = $o->{var}{wiz_ldap_suffix};
   }
  # delete ldap options if exist
  exists $samba->{global}{'passdb backend'} and delete $samba->{global}{'passdb backend'};
  exists $samba->{global}{'ldap admin_dn'} and delete $samba->{global}{'ldap admin_dn'};
  exists $samba->{global}{'ldap suffix'} and delete $samba->{global}{'ldap suffix'};
}

sub get_printers() {
    if ($o->{var}{wiz_do_printer_sharing}) {
	my $string;
	$o->{var}{wiz_all_printers} and return "all printers";
	for (my $i; $i < @{$o->{var}{wiz_box_list}}; $i++) {
	    $string .= "$o->{var}{list_printers}[$i]\n" if $o->{var}{wiz_box_list}[$i]
	}
	$string;
    }
    else {
	'disabled';
    }
}

sub store_samba_type {
  # write config file to store Samba type
  my ($type) = @_;
  output($wiz_samba_etc, <<EOF);
#  1 = BDC - backup domain controller
#  2 = PDC - primary domain controller
#  3 = Standalone - standalone server
#  4 = Member - member of a domain
EOF

  append_to_file($wiz_samba_etc, "type=$type\n");
}

sub write_conf_restart_smb {
  $samba->write_conf("/etc/samba/smb.conf");
  if (services::is_service_running('smb')) {
    services::restart('smb')
    } else { services::start('smb') }
}

sub do_it_remove_share {
  $::testing and return;
  my $share = $o->{var}{wiz_selected_share};
  delete $samba->{$share};

  write_conf_restart_smb();
  check_started('smbd');
}

sub do_it_modify_share {
  $::testing and return;
  my $share = $o->{var}{wiz_selected_share};
  $samba->{$share};
  $samba->{$share}{comment} = $o->{var}{wiz_share_comment};
  $samba->{$share}{browseable} = $o->{var}{wiz_share_browseable};
  $samba->{$share}{writable} = $o->{var}{wiz_share_writable};
  $samba->{$share}{public} = $o->{var}{wiz_share_public};
  $o->{var}{wiz_share_readlist} and $samba->{$share}{'read list'} = $o->{var}{wiz_share_readlist};
  $o->{var}{wiz_share_writelist} and $samba->{$share}{'write list'} = $o->{var}{wiz_share_writelist};
  $o->{var}{wiz_share_createmode} and $samba->{$share}{'create mode'} = $o->{var}{wiz_share_createmode};

  write_conf_restart_smb();
  check_started('smbd');
}

sub do_it_add_cdromshare {
  $::testing and return;
  $samba->{cdrom}{comment} = $o->{var}{wiz_cdrom_comment};
  $samba->{cdrom}{path} = $o->{var}{wiz_cdrom_path};
  $samba->{cdrom}{path} = $o->{var}{wiz_cdrom_path};
  $samba->{cdrom}{browseable} = $o->{var}{wiz_cdrom_browseable};
  $samba->{cdrom}{'root preexec'} = $o->{var}{wiz_cdrom_pre};
  $samba->{cdrom}{'root postexec'} = $o->{var}{wiz_cdrom_post};
  $samba->{cdrom}{public} = $o->{var}{wiz_cdrom_public};

  write_conf_restart_smb();
  check_started('smbd');
}

sub do_it_add_share {
  $::testing and return;
  my $share = $o->{var}{wiz_addshare_name};
  $samba->{$share};
  $samba->{$share}{comment} = $o->{var}{wiz_addshare_comment};
  $samba->{$share}{browseable} = $o->{var}{wiz_addshare_browseable};
  $samba->{$share}{writable} = $o->{var}{wiz_addshare_writable};
  $samba->{$share}{public} = $o->{var}{wiz_addshare_public};
  $o->{var}{wiz_addshare_readlist} and $samba->{$share}{'read list'} = $o->{var}{wiz_addshare_readlist};
  $o->{var}{wiz_addshare_writelist} and $samba->{$share}{'write list'} = $o->{var}{wiz_addshare_writelist};
  $o->{var}{wiz_addshare_createmode} and $samba->{$share}{'create mode'} = $o->{var}{wiz_addshare_createmode};

  write_conf_restart_smb();
  check_started('smbd');
}

# remember one variable cannot be commented and not in the same file.
sub do_it {
    $::testing and return;
    # display a wait dialog box
    my $in = 'interactive'->vnew('su', 'Samba');
    my $w = $in->wait_message(N("Samba server"), N("Configuring your Samba server..."));

    # global section
    $samba->{global}{workgroup} = $o->{var}{wiz_workgroup};
    $samba->{global}{'server string'} = $o->{var}{wiz_banner};

    if ($o->{var}{wiz_netbios}) {
      $samba->{global}{netbios} = $o->{var}{wiz_netbios};
    }

    # add special global options
    global_special_options;

    # log level in global section
    $samba->{global}{'log file'} = $o->{var}{wiz_log_file};
    if ($o->{var}{wiz_log_level}) {
      $samba->{global}{'log level'} = $o->{var}{wiz_log_level};
    }

    $samba->{global}{'max log size'} = $o->{var}{wiz_max_log_size};

    # public share
    if ($o->{var}{wiz_do_file_sharing}) {
      $samba->{public};
      $o->{var}{wiz_write_list} and $samba->{public}{'write list'} = $o->{var}{wiz_write_list};
      $o->{var}{wiz_read_list} and $samba->{public}{'read list'} = $o->{var}{wiz_read_list};
      # enable options if exist
      $o->{var}{wiz_share_comment} and $samba->{public}{comment} = $o->{var}{wiz_share_comment};
      $o->{var}{wiz_share_browseable} and $samba->{public}{browseable} = $o->{var}{wiz_share_browseable};
      $o->{var}{wiz_share_writable} and $samba->{public}{writable} = $o->{var}{wiz_share_writable};
      standalone->explanations("Enabling $o->{var}{wiz_dir} samba file sharing");
      $samba->{public}{path} = $o->{var}{wiz_dir};
    } else {
      standalone->explanations("Disabling samba file sharing");
      delete $samba->{public};
    }

    # share home dir
    if ($o->{var}{wiz_do_homes}) {
      standalone->explanations("Enabling samba homes sharing");
      $samba->{homes};
      $samba->{homes}{comment} = $o->{var}{wiz_home_comment};
      $samba->{homes}{browseable} = $o->{var}{wiz_home_browseable};
      $samba->{homes}{writable} = $o->{var}{wiz_home_writable};
      $samba->{homes}{'create mode'} = $o->{var}{wiz_home_createmode};
    } else {
      standalone->explanations("Disabling samba homes sharing");
      delete $samba->{homes};
    }
    standalone->explanations("Samba deny $o->{var}{wiz_hosts_deny}");
    standalone->explanations("Samba allow $o->{var}{wiz_hosts_allow}");

    # get comment
#    my $v = $samba->get_comments('{printers}');
#    print $v->{normal};
#    print $v->{right_inline};

    # share printers
    if ($o->{var}{wiz_do_printer_sharing}) {
      standalone->explanations("Enabling printer sharing");
      printer_sharing();
    } else {
      standalone->explanations("Disabling printer sharing");
      if ($o->{var}{wiz_box_list}) {
	for(my $i; $i < @{$o->{var}{wiz_box_list}}; $i++) {
	  $o->{var}{list_printers}[$i] and remove_printer($o->{var}{list_printers}[$i]);
	}
      }
      delete $samba->{printers};
    }

    write_conf_restart_smb();
    # remove wait message
    undef $w;
    check_started('smbd');
  }
1;