index : drakx	distro/mdv2007.1 distro/mdv2008.0 distro/mdv2008.1 distro/mdv2009.0 distro/mdv2009.1 distro/mdv2010.0 distro/mes5 distro/mes5-2.6.33 distro/mes6 distro/mga1 distro/mga2 distro/mga3 distro/mga4 distro/mga5 distro/mga6 distro/mga7 distro/mga8 distro/mga9 master topic/Corpo_2_1 topic/KA9_0 topic/MDK-10-update topic/MDK-10_1-update topic/MDK-10_2-update topic/MDK-2006_0-update topic/MDK92-branch topic/MDKC_1_0 topic/PCMCIA_CS_DISTRO topic/R9_0-64bit-branch topic/R9_1_HP-branch topic/a topic/before_matchbox_wm topic/bug-13680 topic/dietlibc topic/efi topic/extlinux topic/firewall topic/gdk-pixbuf-0-branch topic/gi-ppc topic/ia64-8_1 topic/mandrakesoft topic/mlcd4 topic/ppp topic/rp-pppoe topic/switching_to_dnf topic/switching_to_urpmi topic/unlabeled-1.1.1 topic/v_webmin_0_87 topic/x86_64-branch user/animtim/designWork user/colin/rescue-systemd user/ennael/mga6 user/erwan/bug-13680 user/jibz/aarch64 user/martinw/mga6 user/pterjan/arm64
	Mageia Installer and base platform for many utilities	Thierry Vignaud [tv]

summaryrefslogtreecommitdiffstats

log msg author committer range

path: root/perl-install/standalone.pm

	Commit message (Expand)	Author	Age	Files	Lines
*	- s/tinyfirewall/drakfirewall/	Daouda Lo	2002-09-02	1	-1/+1
*	add modules network::tinyfirewall and network::shorewall	Pascal Rigaux	2002-08-23	1	-1/+1
*	- add do_pkgs->are_installed	Pascal Rigaux	2002-08-21	1	-2/+11
*	add ensure_is_installed (which was network::smbnfs::check_raw and is often us...	Pascal Rigaux	2002-08-13	1	-0/+14
*	- add setExportedVarsInSh and setExportedVarsInCsh	Pascal Rigaux	2002-08-12	1	-3/+8
*	add "use run_program" as needed	Pascal Rigaux	2002-08-06	1	-0/+3
*	(install): verify at least one package is not installed before displaying a	Pascal Rigaux	2002-08-05	1	-1/+4
*	don't display a wait_message in newt, but do suspend	Pascal Rigaux	2002-08-01	1	-4/+12
*	Handle parsing --embedded command line in standalone.pm	Pascal Rigaux	2002-07-31	1	-1/+7
*	adapt to new Xconfig modules	Pascal Rigaux	2002-07-28	1	-1/+1
*	g Move 2: partition table: hierarchy	Thierry Vignaud	2002-07-23	1	-1/+1
*	fix typo on last commit.	Francois Pons	2002-07-19	1	-1/+1
*	added what_provides.	Francois Pons	2002-07-19	1	-0/+6
*	explanations stuff: no reason to use "updated" at a place when we	Guillaume Cottenceau	2002-02-20	1	-1/+1
*	try to reflect hierarchy for */*.pm	Guillaume Cottenceau	2002-01-28	1	-1/+1
*	- adapt to new diskdrake modules	Pascal Rigaux	2002-01-27	1	-1/+1
*	- write the 'common' part of the 'explanations' stuff,	Guillaume Cottenceau	2002-01-18	1	-0/+130
*	bugfix	damien	2001-09-14	1	-1/+1
*	added wait message while installing package	damien	2001-09-12	1	-0/+2
*	add option --allow-medium-change to force asking question even if --auto is	Francois Pons	2001-08-31	1	-1/+1
*	rename interactive_pkgs in pkgs_interactive	Pascal Rigaux	2001-08-09	1	-2/+2
*	add interactive_pkgs stuff	Pascal Rigaux	2001-08-08	1	-12/+9
*	New package handling functions	Till Kamppeter	2001-08-08	1	-1/+14
*	adding interactive_pkgs stuff	Pascal Rigaux	2001-08-08	1	-5/+28
*	do not use the po's directly. Use mo's through gettext	Pascal Rigaux	2001-07-23	1	-0/+5
*	install function now returns the return value of the system.	damien	2001-04-09	1	-1/+2
*	make sure SHARE_PATH is set now in standalone	Pascal Rigaux	2001-02-08	1	-0/+2
*	use standalone and standalone::pkgs_install	Pascal Rigaux	2001-01-10	1	-0/+13

generated by cgit v1.2.1 (git 2.21.0) at 2025-01-08 11:47:45 +0000

package authentication; # $Id$

use common;
use any;

sub kinds { 
    my $no_para = @_ == 0;
    my ($do_pkgs, $meta_class) = @_;
    my $allow_SmartCard = $no_para || $do_pkgs->is_available('castella-pam');
    my $allow_AD = $no_para || $meta_class =~ /corporate/;
    (
	'local', 
	'LDAP',
	'NIS', 
	if_($allow_SmartCard, 'SmartCard'), 
	'winbind', 
	if_($allow_AD, 'AD', 'SMBKRB'),
    );
}

sub kind2name {
    my ($kind) = @_;
    # Keep the following strings in sync with kind2description ones!!!
    ${{ local => N("Local file"), 
    LDAP => N("LDAP"), 
    NIS => N("NIS"),
    SmartCard => N("Smart Card"),
    winbind => N("Windows Domain"), 
    AD => N("Active Directory with SFU"),
    SMBKRB => N("Active Directory with Winbind") }}{$kind};
}

my %kind2pam_kind = (
    local     => [],
    SmartCard => ['castella'],
    LDAP      => ['ldap'], 
    NIS       => [],
    AD        => ['krb5'],
    winbind   => ['winbind'], 
    SMBKRB    => ['winbind'],
);

my %kind2nsswitch = (
    local     => [],
    SmartCard => [],
    LDAP      => ['ldap'], 
    NIS       => ['nis'],
    AD        => ['ldap'],
    winbind   => ['winbind'], 
    SMBKRB    => ['winbind'],
);

sub kind2description {
    my (@kinds) = @_;
    my %kind2description = (
	local     => [ N("Local file:"), N("Use local for all authentication and information user tell in local file"), ],
	LDAP      => [ N("LDAP:"), N("Tells your computer to use LDAP for some or all authentication. LDAP consolidates certain types of information within your organization."), ],
	NIS       => [ N("NIS:"), N("Allows you to run a group of computers in the same Network Information Service domain with a common password and group file."), ],
	winbind   => [ N("Windows Domain:"), N("Winbind allows the system to retrieve information and authenticate users in a Windows domain."), ],
	AD        => [ N("Active Directory with SFU:"), N("Kerberos is a secure system for providing network authentication services."), ],
	SMBKRB    => [ N("Active Directory with Winbind:"), N("Kerberos is a secure system for providing network authentication services.")  ],
    );
    join('', map { $_ ? qq($_->[0]\n$_->[1]\n\n) : '' } map { $kind2description{$_} } @kinds);
}
sub to_kind {
    my ($authentication) = @_;
    (find { exists $authentication->{$_} } kinds()) || 'local';
}

sub domain_to_ldap_domain {
    my ($domain) = @_;
    join(',', map { "dc=$_" } split /\./, $domain);
}

sub ask_parameters {
    my ($in, $netc, $authentication, $kind) = @_;

    #- keep only this authentication kind
    foreach (kinds()) {
	delete $authentication->{$_} if $_ ne $kind;
    }

    if ($kind eq 'LDAP') {
	$netc->{LDAPDOMAIN} ||= domain_to_ldap_domain($netc->{DOMAINNAME});
	$in->ask_from('',
		     N("Authentication LDAP"),
		     [ { label => N("LDAP Base dn"), val => \$netc->{LDAPDOMAIN} },
		       { label => N("LDAP Server"), val => \$authentication->{LDAP_server} },
		     ]) or return;
    } elsif ($kind eq 'AD') {
	
	$authentication->{AD_domain} ||= $netc->{DOMAINNAME};
	$authentication->{AD_users_db} ||= 'cn=users,' . domain_to_ldap_domain($authentication->{AD_domain});

	$in->do_pkgs->install(qw(perl-Net-DNS));

	my @srvs = query_srv_names($authentication->{AD_domain});
	$authentication->{AD_server} ||= $srvs[0] if @srvs;

	my %sub_kinds = my @sub_kinds = (
	    simple => N("simple"), 
	    tls => N("TLS"),
	    ssl => N("SSL"),
	    kerberos => N("security layout (SASL/Kerberos)"),
	);

	my $AD_user = $authentication->{AD_user} =~ /(.*)\@\Q$authentication->{AD_domain}\E$/ ? $1 : $authentication->{AD_user};
	my $anonymous = $AD_user;

	$in->ask_from('',
		     N("Authentication Active Directory"),
		     [ { label => N("Domain"), val => \$authentication->{AD_domain} },
		     #{ label => N("Server"), val => \$authentication->{AD_server} },
		       { label => N("Server"), type => 'combo', val => \$authentication->{AD_server}, list => \@srvs , not_edit => 0 },
		       { label => N("LDAP users database"), val => \$authentication->{AD_users_db} },
		       { label => N("Use Anonymous BIND "), val => \$anonymous, type => 'bool' },
		       { label => N("LDAP user allowed to browse the Active Directory"), val => \$AD_user, disabled => sub { $anonymous } },
		       { label => N("Password for user"), val => \$authentication->{AD_password}, disabled => sub { $anonymous } },
		       { label => N("Encryption"), val => \$authentication->{sub_kind}, list => [ map { $_->[0] } group_by2(@sub_kinds) ], format => sub { $sub_kinds{$_[0]} } },
		     ]) or return;
	$authentication->{AD_user} = !$AD_user || $authentication->{sub_kind} eq 'anonymous' ? '' : 
	                             $AD_user =~ /@/ ? $AD_user : "$AD_user\@$authentication->{AD_domain}";
	$authentication->{AD_password} = '' if !$authentication->{AD_user};


    } elsif ($kind eq 'NIS') { 
	$authentication->{NIS_server} ||= 'broadcast';
	$netc->{NISDOMAIN} ||= $netc->{DOMAINNAME};
	$in->ask_from('',
		     N("Authentication NIS"),
		     [ { label => N("NIS Domain"), val => \$netc->{NISDOMAIN} },
		       { label => N("NIS Server"), val => \$authentication->{NIS_server}, list => ["broadcast"], not_edit => 0 },
		     ]) or return;
    } elsif ($kind eq 'winbind' || $kind eq 'SMBKRB') {
	#- maybe we should browse the network like diskdrake --smb and get the 'doze server names in a list 
	#- but networking is not setup yet necessarily
	$in->ask_warn('', N("For this to work for a W2K PDC, you will probably need to have the admin run: C:\\>net localgroup \"Pre-Windows 2000 Compatible Access\" everyone /add and reboot the server.
You will also need the username/password of a Domain Admin to join the machine to the Windows(TM) domain.
If networking is not yet enabled, Drakx will attempt to join the domain after the network setup step.
Should this setup fail for some reason and domain authentication is not working, run 'smbpasswd -j DOMAIN -U USER%%PASSWORD' using your Windows(tm) Domain, and Admin Username/Password, after system boot.
The command 'wbinfo -t' will test whether your authentication secrets are good."))
	  if $kind eq 'winbind';

	$authentication->{AD_domain} ||= $netc->{DOMAINNAME} if $kind eq 'SMBKRB';
	 $authentication->{AD_users_idmap} ||= 'ou=idmap,' . domain_to_ldap_domain($authentication->{AD_domain}) if $kind eq 'SMBKRB';
	$netc->{WINDOMAIN} ||= $netc->{DOMAINNAME};
	my $anonymous;
	$in->ask_from('',
		      $kind eq 'SMBKRB' ? N("Authentication Active Directory") : N("Authentication Windows Domain"),
		        [ if_($kind eq 'SMBKRB', 
			  { label => N("Domain"), val => \$authentication->{AD_domain} }
			     ),
			  { label => N("Windows Domain"), val => \$netc->{WINDOMAIN} },
			  { label => N("Domain Admin User Name"), val => \$authentication->{winuser} },
			  { label => N("Domain Admin Password"), val => \$authentication->{winpass}, hidden => 1 },
			  { label => N("Use Idmap for store UID/SID "), val => \$anonymous, type => 'bool' },
			  { label => N("Default Idmap "), val => \$authentication->{AD_users_idmap}, disabled => sub { $anonymous } },
			]) or return;
    }
    $authentication->{$kind} ||= 1;
    1;
}

sub ask_root_password_and_authentication {
    my ($in, $netc, $superuser, $authentication, $meta_class, $security) = @_;

    my $kind = to_kind($authentication);
    my @kinds = authentication::kinds($in->do_pkgs, $meta_class);

    $in->ask_from_({
	 title => N("Set administrator (root) password and network authentication methods"), 
	 messages => N("Set administrator (root) password"),
	 advanced_label => N("Authentication method"),
	 advanced_messages => kind2description(@kinds),
	 interactive_help_id => "setRootPassword",
	 cancel => ($security <= 2 ? 
		    #-PO: keep this short or else the buttons will not fit in the window
		    N("No password") : ''),
	 focus_first => 1,
	 callbacks => { 
	     complete => sub {
		 $superuser->{password} eq $superuser->{password2} or $in->ask_warn('', [ N("The passwords do not match"), N("Please try again") ]), return 1,0;
		 length $superuser->{password} < 2 * $security
		   and $in->ask_warn('', N("This password is too short (it must be at least %d characters long)", 2 * $security)), return 1,0;
		 return 0;
        } } }, [
{ label => N("Password"), val => \$superuser->{password},  hidden => 1 },
{ label => N("Password (again)"), val => \$superuser->{password2}, hidden => 1 },
{ label => N("Authentication"), val => \$kind, type => 'list', list => \@kinds, format => \&authentication::kind2name, advanced => 1 },
        ]) or delete $superuser->{password};

    ask_parameters($in, $netc, $authentication, $kind) or goto &ask_root_password_and_authentication;
}


sub get() {
    my $system_auth = cat_("/etc/pam.d/system-auth");
    { md5 => $system_auth =~ /md5/, shadow => $system_auth =~ /shadow/ };
}

sub set {
    my ($in, $netc, $authentication, $o_when_network_is_up) = @_;

    my $when_network_is_up = $o_when_network_is_up || sub { my ($f) = @_; $f->() };

    enable_shadow() if $authentication->{shadow};    

    my $kind = authentication::to_kind($authentication);

    log::l("authentication::set $kind");

    my $pam_modules = $kind2pam_kind{$kind} or log::l("kind2pam_kind does not know $kind");
    $pam_modules ||= [];
    sshd_config_UsePAM(@$pam_modules > 0);
    set_pam_authentication(@$pam_modules);

    my $nsswitch = $kind2nsswitch{$kind} or log::l("kind2nsswitch does not know $kind");
    $nsswitch ||= [];
    set_nsswitch_priority(@$nsswitch);

    if ($kind eq 'local') {
    } elsif ($kind eq 'SmartCard') {
	$in->do_pkgs->install('castella-pam');
    } elsif ($kind eq 'LDAP') {
	$in->do_pkgs->install(qw(openldap-clients nss_ldap pam_ldap autofs));

	my $domain = $netc->{LDAPDOMAIN} || do {
	    my $s = run_program::rooted_get_stdout($::prefix, 'ldapsearch', '-x', '-h', $authentication->{LDAP_server}, '-b', '', '-s', 'base', '+');
	    first($s =~ /namingContexts: (.+)/);
	} or log::l("no ldap domain found on server $authentication->{LDAP_server}"), return;

	update_ldap_conf(
			 host => $authentication->{LDAP_server},
			 base => $domain,
			 nss_base_shadow => $domain . "?sub",
			 nss_base_passwd => $domain . "?sub",
			 nss_base_group => $domain . "?sub",
			);
    } elsif ($kind eq 'AD') {
	$in->do_pkgs->install(qw(nss_ldap pam_krb5 libsasl2-plug-gssapi));
	my $port = "389";
	
	my $ssl = { 
		   anonymous => 'off', 
		   simple => 'off', 
		   tls => 'start_tls',
		   ssl => 'on',
		   kerberos => 'off',
		  }->{$authentication->{sub_kind}};

	if ($ssl eq 'on') {
		$port = '636';
	}
	
	
	
	update_ldap_conf(
			 host => $authentication->{AD_server},
			 base => domain_to_ldap_domain($authentication->{AD_domain}),
			 nss_base_shadow => "$authentication->{AD_users_db}?sub",
			 nss_base_passwd => "$authentication->{AD_users_db}?sub",
			 nss_base_group => "$authentication->{AD_users_db}?sub",

			 ssl => $ssl,
			 sasl_mech => $authentication->{sub_kind} eq 'kerberos' ? 'GSSAPI' : '',
			 port => $port,

			 binddn => $authentication->{AD_user},
			 bindpw => $authentication->{AD_password},

			 (map_each { "nss_map_objectclass_$::a" => $::b }
			  posixAccount => 'User',
			  shadowAccount => 'User',
			  posixGroup => 'Group',
			 ),


			 scope => 'sub',
			 pam_login_attribute => 'sAMAccountName',
			 pam_filter => 'objectclass=User',
			 pam_password => 'ad',

			 
			 (map_each { "nss_map_attribute_$::a" => $::b }
			  uid => 'sAMAccountName',
			  uidNumber => 'msSFU30UidNumber',
			  gidNumber => 'msSFU30GidNumber',
			  cn => 'sAMAccountName',
			  uniqueMember => 'member',
			  userPassword => 'msSFU30Password',
			  homeDirectory => 'msSFU30HomeDirectory',
			  loginShell => 'msSFU30LoginShell',
			  gecos => 'name',
			 ),
			);

	configure_krb5_for_AD($authentication);

    } elsif ($kind eq 'NIS') {
	$in->do_pkgs->install(qw(ypbind autofs));
	my $domain = $netc->{NISDOMAIN};
	$domain || $authentication->{NIS_server} ne "broadcast" or die N("Can not use broadcast with no NIS domain");
	my $t = $domain ? "domain $domain" . ($authentication->{NIS_server} ne "broadcast" && " server") : "ypserver";
	substInFile {
	    $_ = "#~$_" unless /^#/;
	    $_ .= "$t $authentication->{NIS_server}\n" if eof;
	} "$::prefix/etc/yp.conf";

	#- no need to modify system-auth for nis

	$when_network_is_up->(sub {
	    run_program::rooted($::prefix, 'nisdomainname', $domain);
	    run_program::rooted($::prefix, 'service', 'ypbind', 'restart');
	}) if !$::isInstall; #- TODO: also do it during install since nis can be useful to resolve domain names. Not done because 9.2-RC
#    } elsif ($kind eq 'winbind' || $kind eq 'AD' && $authentication->{subkind} eq 'winbind') {

#	}) if !$::isInstall; 
#- TODO: also do it during install since nis can be useful to resolve domain names. Not done because 9.2-RC
    } elsif ($kind eq 'winbind') {

	my $domain = uc $netc->{WINDOMAIN};
	
	$in->do_pkgs->install('samba-winbind');

	require network::smb;
	network::smb::write_smb_conf($domain);
	run_program::rooted($::prefix, "chkconfig", "--level", "35", "winbind", "on");
	mkdir_p("$::prefix/home/$domain");
	run_program::rooted($::prefix, 'service', 'smb', 'restart');
	run_program::rooted($::prefix, 'service', 'winbind', 'restart');
	
	#- defer running smbpassword until the network is up

	$when_network_is_up->(sub {
	    run_program::rooted($::prefix, 'net', 'join', $domain, '-U', $authentication->{winuser} . '%' . $authentication->{winpass});
	});
    } elsif ($kind eq 'SMBKRB') {
	 $authentication->{AD_server} ||= 'ads.' . $authentication->{AD_domain};
	my $domain = uc $netc->{WINDOMAIN};
	my $realm = $authentication->{AD_domain};

	configure_krb5_for_AD($authentication);
	$in->do_pkgs->install('samba-winbind', 'pam_krb5', 'samba-server', 'samba-client');
		
	require network::smb;
	network::smb::write_smb_ads_conf($domain,$realm);
	run_program::rooted($::prefix, "chkconfig", "--level", "35", "winbind", "on");
	mkdir_p("$::prefix/home/$domain");
	run_program::rooted($::prefix, 'net', 'time', 'set', '-S', $authentication->{AD_server});
	run_program::rooted($::prefix, 'service', 'smb', 'restart');
	run_program::rooted($::prefix, 'service', 'winbind', 'restart');
	
	$when_network_is_up->(sub {
	    run_program::rooted($::prefix, 'net', 'ads', 'join', '-U', $authentication->{winuser} . '%' . $authentication->{winpass});
	});
    }
}


sub pam_modules() {
    'pam_ldap', 'pam_castella', 'pam_winbind', 'pam_krb5', 'pam_mkhomedir';
}
sub pam_module_from_path { 
    $_[0] && $_[0] =~ m|(/lib/security/)?(pam_.*)\.so| && $2;
}
sub pam_module_to_path { 
    "$_[0].so";
}
sub pam_format_line {
    my ($type, $control, $module, @para) = @_;
    sprintf("%-11s %-13s %s\n", $type, $control, join(' ', pam_module_to_path($module), @para));
}

sub get_raw_pam_authentication() {
    my %before_deny;
    foreach (cat_("$::prefix/etc/pam.d/system-auth")) {
	my ($type, $control, $module, @para) = split;
	if ($module = pam_module_from_path($module)) {
	    $before_deny{$type}{$module} = \@para if $control eq 'sufficient' && member($module, pam_modules());
	}
    }
    \%before_deny;
}

sub set_pam_authentication {
    my (@authentication_kinds) = @_;
    
    my %special = (
	auth => \@authentication_kinds,
	account => [ difference2(\@authentication_kinds, [ 'castella' ]) ],
	password => [ intersection(\@authentication_kinds, [ 'ldap', 'krb5' ]) ],
    );
    my %before_first = (
	session => 
	  intersection(\@authentication_kinds, [ 'winbind', 'krb5', 'ldap' ]) 
	    ? pam_format_line('session', 'optional', 'pam_mkhomedir', 'skel=/etc/skel/', 'umask=0022') :
	  member('castella', @authentication_kinds)
	    ? pam_format_line('session', 'optional', 'pam_castella') : '',
    );
    my %after_deny = (
	session => member('krb5', @authentication_kinds) ? pam_format_line('session', 'optional', 'pam_krb5') : '',
    );

    substInFile {
	my ($type, $control, $module, @para) = split;
	if ($module = pam_module_from_path($module)) {
	    if (member($module, pam_modules())) {
		#- first removing previous config
		$_ = '';
	    }
	    if ($module eq 'pam_unix' && $special{$type}) {
		my @para_for_last = 
		    $type eq 'auth' ? qw(likeauth nullok use_first_pass) :
		    $type eq 'account' ? qw(use_first_pass) : @{[]};
		@para = difference2(\@para, \@para_for_last);

		my ($before_noask, $ask) = partition { $_ eq 'castella' } @{$special{$type}};
		my ($before, $after) = partition { $_ eq 'krb5' } @$ask;

		if (!@$ask) {
		    @para_for_last = grep { $_ ne 'use_first_pass' } @para_for_last;
		}

		my @l = ((map { [ "pam_$_" ] } @$before_noask, @$before),
			 [ 'pam_unix', @para ],
			 (map { [ "pam_$_" ] } @$after),
			 );
		push @{$l[-1]}, @para_for_last;
		$_ = join('', map { pam_format_line($type, 'sufficient', @$_) } @l);

		if ($control eq 'required') {
		    #- ensure a pam_deny line is there
		    ($control, $module, @para) = ('required', 'pam_deny');
		    $_ .= pam_format_line($type, $control, $module);
		}
	    }
	    if (my $s = delete $before_first{$type}) {
		$_ = $s . $_;
	    }
	    if ($control eq 'required' && member($module, 'pam_deny', 'pam_unix')) {
		if (my $s = delete $after_deny{$type}) {
		    $_ .= $s;
		}
	    }
	}
    } "$::prefix/etc/pam.d/system-auth";
}

sub get_pam_authentication_kinds() {
    my $before_deny = get_raw_pam_authentication();
    map { s/pam_//; $_ } keys %{$before_deny->{auth}};
}

sub set_nsswitch_priority {
    my (@kinds) = @_;
    my @known = qw(nis ldap winbind);
    substInFile {
	if (my ($database, $l) = /^(\s*(?:passwd|shadow|group|automount):\s*)(.*)/) {
	    my @l = difference2([ split(' ', $l) ], \@known);
	    $_ = $database . join(' ', uniq('files', @kinds, @l)) . "\n";
	}	
    } "$::prefix/etc/nsswitch.conf";
}

my $special_ldap_cmds = join('|', 'nss_map_attribute', 'nss_map_objectclass');
sub _after_read_ldap_line {
    my ($s) = @_;
    $s =~ s/\b($special_ldap_cmds)\s*/$1 . '_'/e;
    $s;
}
sub _pre_write_ldap_line {
    my ($s) = @_;
    $s =~ s/\b($special_ldap_cmds)_/$1 . ' '/e;
    $s;
}

sub read_ldap_conf() {
    my %conf = map { 
	s/^\s*#.*//; 
	if_(_after_read_ldap_line($_) =~ /(\S+)\s+(.*)/, $1 => $2);
    } cat_("$::prefix/etc/ldap.conf");
    \%conf;
}

sub update_ldap_conf {    
    my (%conf) = @_;

    substInFile {
	my ($cmd) = _after_read_ldap_line($_) =~ /^\s*#?\s*(\w+)\s/;
	if ($cmd && exists $conf{$cmd}) {
	    my $val = $conf{$cmd};
	    $conf{$cmd} = '';
	    $_ = $val ? _pre_write_ldap_line("$cmd $val\n") : /^\s*#/ ? $_ : "#$_";
        }
	if (eof) {
	    foreach my $cmd (keys %conf) {
		my $val = $conf{$cmd} or next;
		$_ .= _pre_write_ldap_line("$cmd $val\n");
	    }
	}
    } "$::prefix/etc/ldap.conf";
}

sub configure_krb5_for_AD {
    my ($authentication) = @_;

    my $uc_domain = uc $authentication->{AD_domain};
    my $krb5_conf_file = "$::prefix/etc/krb5.conf";

    krb5_conf_update($krb5_conf_file,
		     libdefaults => (
				     default_realm => $uc_domain,
				     dns_lookup_realm => $authentication->{AD_server} ? 'false' : 'true',
				     dns_lookup_kdc => $authentication->{AD_server} ? 'false' : 'true',
				    ));

    my @sections = (
		    realms => <<EOF,
 $uc_domain = {
  kdc = $authentication->{AD_server}:88
  admin_server = $authentication->{AD_server}:749
  default_domain = $authentication->{AD_domain}
 }
EOF
		    domain_realm => <<EOF,
 .$authentication->{AD_domain} = $uc_domain
EOF
		    kdc => <<'EOF',
 profile = /etc/kerberos/krb5kdc/kdc.conf
EOF
		    pam => <<'EOF',
 debug = false
 ticket_lifetime = 36000
 renew_lifetime = 36000
 forwardable = true
 krb4_convert = false
EOF
		    login => <<'EOF',
 krb4_convert = false
 krb4_get_tickets = false
EOF
		       );
    foreach (group_by2(@sections)) {
	my ($section, $txt) = @$_;
	krb5_conf_overwrite_category($krb5_conf_file, $section => $authentication->{AD_server} ? $txt : '');
    }
}

sub krb5_conf_overwrite_category {
    my ($file, $category, $new_val) = @_;

    my $done;
    substInFile {
	if (my $i = /^\s*\[\Q$category\E\]/i ... /^\[/) {
	    if ($new_val) {
		if ($i == 1) {
		    $_ .= $new_val;
		    $done = 1;
		} elsif ($i =~ /E/) {
		    $_ = "\n$_";
		} else {
		    $_ = '';
		}
	    } else {
		$_ = '' if $i !~ /E/;
	    }
	}
	#- if category has not been found above.
	if (eof && $new_val && !$done) {
	    $_ .= "\n[$category]\n$new_val";
	}
    } $file;
}

sub krb5_conf_update {
    my ($file, $category, %subst_) = @_;

    my %subst = map { lc($_) => [ $_, $subst_{$_} ] } keys %subst_;

    my $s;
    foreach (MDK::Common::File::cat_($file), "[NOCATEGORY]\n") {
	if (my $i = /^\s*\[\Q$category\E\]/i ... /^\[/) {
	    if ($i =~ /E/) { #- for last line of category
		chomp $s; $s .= "\n";
		$s .= " $_->[0] = $_->[1]\n" foreach values %subst;
		%subst = ();
	    } elsif (/^\s*([^=]*?)\s*=/) {
		if (my $e = delete $subst{lc($1)}) {
		    $_ = " $1 = $e->[1]\n";
		}
	      }
	}
	$s .= $_ if !/^\Q[NOCATEGORY]/;
    }

    #- if category has not been found above.
    if (keys %subst) {
	chomp $s;
	$s .= "\n[$category]\n";
	$s .= " $_->[0] = $_->[1]\n" foreach values %subst;
    }

    MDK::Common::File::output($file, $s);

}

sub sshd_config_UsePAM {
    my ($UsePAM) = @_;
    my $sshd = "$::prefix/etc/ssh/sshd_config";
    -e $sshd or return;

    my $val = "UsePAM " . bool2yesno($UsePAM);
    substInFile {
	$val = '' if s/^#?UsePAM.*/$val/;
	$_ .= "$val\n" if eof && $val;
    } $sshd;
}

sub query_srv_names {
    my ($domain) = @_;

    eval { require Net::DNS; 1 } or return;
    my $res = Net::DNS::Resolver->new;
    my $query = $res->query("_ldap._tcp.$domain", 'srv') or return;
    map { $_->target } $query->answer;
}

sub enable_shadow() {
    run_program::rooted($::prefix, "pwconv")  or log::l("pwconv failed");
    run_program::rooted($::prefix, "grpconv") or log::l("grpconv failed");
}

sub user_crypted_passwd {
    my ($u, $isMD5) = @_;
    if ($u->{password}) {
	crypt($u->{password}, $isMD5 ? '$1$' . salt(8) : salt(2));
    } else {
	$u->{pw} || '';
    }
}

sub set_root_passwd {
    my ($superuser, $authentication) = @_;
    $superuser->{name} = 'root';
    write_passwd_user($superuser, $authentication->{md5});    
    delete $superuser->{name};
}

sub write_passwd_user {
    my ($u, $isMD5) = @_;

    $u->{pw} = user_crypted_passwd($u, $isMD5);      
    $u->{shell} ||= '/bin/bash';

    substInFile {
	my $l = unpack_passwd($_);
	if ($l->{name} eq $u->{name}) {
	    add2hash_($u, $l);
	    $_ = pack_passwd($u);
	    $u = {};
	}
	if (eof && $u->{name}) {
	    $_ .= pack_passwd($u);
	}
    } "$::prefix/etc/passwd";
}

my @etc_pass_fields = qw(name pw uid gid realname home shell);
sub unpack_passwd {
    my ($l) = @_;
    my %l; @l{@etc_pass_fields} = split ':', chomp_($l);
    \%l;
}
sub pack_passwd {
    my ($l) = @_;
    join(':', @$l{@etc_pass_fields}) . "\n";
}

1;