path: root/samba_wizard/Samba.pm

#!/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 @listprinters;

my $o = {
	 name => 'Samba wizard',
	 var => {
		 wiz_box_list => '',
		 wiz_netbios => '',
		 wiz_all_printers => '',
		 wiz_level => '',
		 wiz_workgroup => '',
		 wiz_banner => '',
		 wiz_log_file => '', wiz_log_level => '', wiz_max_log_size => '',
		 wiz_local_master => '',
		 wiz_os_level => '',
		 wiz_security => '',
		 wiz_domain_logons => '',
		 wiz_domain_master => '',
		 wiz_password_server => '',
		 wiz_passdb_backend => '', wiz_passdb_backend_yn => '',
		 wiz_domain => '',
		 wiz_ldap_admin_dn => '', wiz_ldap_suffix => '', wiz_ldap_root_pw => '', wiz_ldap_root_pw_2 => '',
		 wiz_sambatype => '',
		},
	 init => sub {
           test_host_domain($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 %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'),
	   );

my @yesorno = qw(yes no); push @yesorno, "";
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' }
                           },
                           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}{'os level'}) {
				 $o->{var}{wiz_oslevel} = $samba->{global}{'os level'};
			       } else {
				 $o->{var}{wiz_oslevel} = "64";
			       }
			       if ($samba->{global}{'passdb backend'}) {
				 $o->{var}{wiz_passdb_backend_yn} = "yes"
			       } else {
				 $o->{var}{wiz_passdb_backend_yn} = "no"
			       }
			     },
		       post => sub {
			 $o->{var}{wiz_passdb_backend_yn} =~ /yes/ and return 'ldap_conf';
		       },
		       data => [
				{ label => N('Domain logons:'), fixed_val => \$o->{var}{wiz_domain_logons} },
				{ label => N('Domain master:'), fixed_val => \$o->{var}{wiz_domain_master} },
				{ label => N('Security:'), fixed_val => \$o->{var}{wiz_security} },
				{ label => N('Wins support:'), val => \$o->{var}{wiz_wins_support}, fixed_list => \@yesorno },
				{ label => N('Os level:'), fixed_val => \$o->{var}{wiz_oslevel}, help =>N("The global os level option dictates the operating system level at which Samba will masquerade during a browser election. If you wish to have Samba win an election and become the master browser, you can set the level above that of the operating system on your network with the highest current value. ie: os level = 34") },
				{ label => N('Use LDAP Passdb backend'), val => \$o->{var}{wiz_passdb_backend_yn}, fixed_list => \@yesorno },
			       ],
		       complete => sub {
				    if (!$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";
			       $o->{var}{wiz_security} = "user";
			       if ($samba->{global}{'os level'}) {
				 $o->{var}{wiz_oslevel} = $samba->{global}{'os level'};
			       } else {
				 $o->{var}{wiz_oslevel} = "64";
			       }
			     },
		       data => [
				{ label => N('Security:'), fixed_val => \$o->{var}{wiz_security} },
				{ label => N('Domain master:'), fixed_val => \$o->{var}{wiz_domain_master} },
			       ],
		       complete => sub {
				    if (!$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',
			 },
	       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 {
# ldap machine suffix = ou=Computers
# ldap user suffix = ou=Users
# ldap group suffix = ou=Groups
# admin users =

# global
# testparm
			       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 {
				   $o->{var}{wiz_ldap_admin_dn} = "cn=Manager,dc=mydomain,dc=com";
				 }
			       if ($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 => 'summary',
			  },
	       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}{wiz_sambatype} = $type{$o->{var}{wiz_type}};
			   },
			   data => [
				    { label => N('Samba type:'), fixed_val => \$o->{var}{wiz_sambatype} },
				    { label => N('Workgroup:'), fixed_val => \$o->{var}{wiz_workgroup} },
				    { label => N('Server banner:'), fixed_val => \$o->{var}{wiz_banner} },
				    { label => N('Log file:'), fixed_val => \$o->{var}{wiz_log_file} },
				   ],
			   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});
		       },
		       no_back => 1,
		       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 check() {
    $> and return 1;
    $wiz->{net}->is_dhcp() and return 2;
    0;
}

sub global_special_options() {
# dos charset = 850
# unix charset = ISO8859-1

  # detect Samba type 3 is standalone
  if ($o->{var}{wiz_type} == "3") {
    exists $samba->{global}{'domain_master'} and delete $samba->{global}{'domain_master'};
    $samba->{global}{'security'} = "share";
    exists $samba->{global}{'domain logons'} and delete $samba->{global}{'domain logons'};
    exists $samba->{global}{'wins support'} and delete $samba->{global}{'wins support'};
    exists $samba->{global}{'os level'} and delete $samba->{global}{'os level'};
  } else {
    # so pdc, bdc or member
    $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_oslevel} and $samba->{global}{'os level'} = $o->{var}{wiz_oslevel};
    $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} = $o->{var}{wiz_domain};
    # ldap options if needed
    if ($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};
    } else {
    # 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 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') }
}

# 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};
    $o->{var}{wiz_netbios} and $o->{var}{wiz_netbios} and $samba->{global}{netbios} = $o->{var}{wiz_netbios};

    # add special global options
    global_special_options;

    # log level in global section
    $o->{var}{wiz_log_file} and $samba->{global}{'log file'} = $o->{var}{wiz_log_file};
    $o->{var}{wiz_log_level} and $samba->{global}{'log level'} = $o->{var}{wiz_log_level};
    $o->{var}{wiz_max_log_size} and $samba->{global}{'max log size'} = $o->{var}{wiz_max_log_size};

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