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package network::adsl;

use common;
use run_program;
use network::tools;
use network::ethernet;
use modules;

use vars qw(@ISA @EXPORT);
use MDK::Common::Globals "network", qw($in $prefix $connect_file $disconnect_file);

@ISA = qw(Exporter);
@EXPORT = qw(adsl_ask_info adsl_detect adsl_conf adsl_conf_backend);

sub configure{
    my ($netcnx, $netc, $intf, $first_time) = @_;
    $::isInstall and $in->set_help('configureNetworkADSL');
  conf_adsl_step1:
    my $type = $in->ask_from_list_(_("Connect to the Internet"),
				   _("The most common way to connect with adsl is pppoe.
Some connections use pptp, a few ones use dhcp.
If you don't know, choose 'use pppoe'"), [__("use pppoe"), __("use pptp"), __("use dhcp"), __("speedtouch usb")]) or return;
    $type =~ s/use //;
    if ($type eq 'pppoe') {
	$in->do_pkgs->install("rp-$type");
	$netcnx->{type} = "adsl_$type";
	$netcnx->{"adsl_$type"} = {};
	adsl_conf($netcnx->{"adsl_$type"}, $netc, $intf, $type) or goto conf_adsl_step1;
	#-network::configureNetwork($prefix, $netc, $in, $intf, $first_time);
	if ($::isStandalone and $netc->{NET_DEVICE}) {
	    $in->ask_yesorno(_("Network interface"),
			     _("I'm about to restart the network device %s. Do you agree?", $netc->{NET_DEVICE}), 1)
	      and system("$prefix/sbin/ifdown $netc->{NET_DEVICE}; $prefix/sbin/ifup $netc->{NET_DEVICE}");
	}
    }
    if ($type eq 'dhcp') {
	$in->do_pkgs->install(qw(dhcpcd));
	go_ethernet($netc, $intf, 'dhcp', '', '', $first_time) or goto conf_adsl_step1;
    }
    if ($type eq 'pptp') {
	$in->do_pkgs->install(qw(pptp-adsl-fr));
	$netcnx->{type} = "adsl_$type";
	$netcnx->{"adsl_$type"} = {};
	adsl_conf($netcnx->{"adsl_$type"}, $netc, $intf, $type) or goto conf_adsl_step1;
    }
    if ($type =~ /speedtouch/) {
	$type = 'speedtouch';
	$in->do_pkgs->install(qw(speedtouch));
	$netcnx->{type} = "adsl_$type";
	$netcnx->{"adsl_$type"} = {};
	$netcnx->{"adsl_$type"}{vpivci} = '';
	adsl_conf($netcnx->{"adsl_$type"}, $netc, $intf, $type) or goto conf_adsl_step1;
    }
    1;
}

sub adsl_ask_info {
    my ($adsl, $netc, $intf) = @_;
    add2hash($netc, { dnsServer2 => '', dnsServer3 => '', DOMAINNAME2 => '' });
    add2hash($adsl, { login => '', passwd => '', passwd2 => '' });
    ask_info2($adsl, $netc);
}

#- adsl_detect : detect adsl modem on a given interface
#- input :
#-  $interface : interface where the modem is supposed to be connected : should be "ethx"
#- output:
#-  true/false : success|failed
sub adsl_detect {
    return 0;
    my ($interface) = @_;
    run_program::rooted($prefix, "ifconfig $interface 10.0.0.10 netmask 255.255.255.0");
    my $ret=run_program::rooted($prefix, "/bin/ping -c 1 10.0.0.138  2> /dev/null");
    run_program::rooted($prefix, "ifconfig $interface 0.0.0.0 netmask 255.255.255.0");
    run_program::rooted($prefix, "/etc/init.d/network restart");
    $ret;
}

sub adsl_conf {
    my ($adsl, $netc, $intf, $adsl_type) = @_;

  adsl_conf_step_1:
    adsl_ask_info ($adsl, $netc, $intf) or return;
  adsl_conf_step_2:
    $adsl_type eq 'speedtouch' or conf_network_card($in, $netc, $intf, 'static' , '10.0.0.10' ) or goto adsl_conf_step_1;
    adsl_conf_backend($adsl, $netc, $adsl_type);
    1;
}

sub adsl_conf_backend {
    my ($adsl, $netc, $adsl_type) = @_;

    output("$prefix/etc/ppp/options",
'lock
noipdefault
persist
noauth
usepeerdns
defaultroute
') if $adsl_type =~ /pptp|pppoe|speedtouch/;

    write_secret_backend($adsl->{login}, $adsl->{passwd});

    if ($adsl_type eq 'pppoe') {
	substInFile {
	    s/ETH=.*\n/ETH=$netc->{NET_DEVICE}\n/;
	    s/USER=.*\n/USER=$adsl->{login}\n/;
	} "$prefix/etc/ppp/pppoe.conf";
    }

    if ($adsl_type eq 'speedtouch') {
	$netc->{vpivci} =~ /(\d+)\.(\d+)/;
	output("$prefix/etc/ppp/peers/adsl", 
qq{noauth
noipdefault
pty "/usr/bin/pppoa2 -vpi $1 -vci $2"
sync
noaccomp
nopcomp
noccp
novj
holdoff 4
maxfail 25
persist
usepeerdns
$USERLINE
defaultroute
user "$adsl->{login}"
});
	modules::add_alias($_->[0], $_->[1]) foreach([char-major-108, ppp_generic],
						     [tty-ldisc-3, ppp_async],
						     [tty-ldisc-13, n_hdlc],
						     [tty-ldisc-14, ppp_synctty],
						     [ppp-compress-21, bsd_comp],
						     [ppp-compress-24, ppp_deflate],
						     [ppp-compress-26, ppp_deflate]);
	$::isStandalone and modules::write_conf($prefix);
    }

    if ($adsl_type eq 'pptp') {
	write_cnx_script($netc, "adsl",
"/sbin/route del default
/usr/bin/pptp 10.0.0.138 name $adsl->{login}
",
'/usr/bin/killall pptp pppd
' ) } elsif ($adsl_type eq 'pppoe') {
    write_cnx_script($netc, "adsl",
"/sbin/route del default
LC_ALL=C LANG=C LANGUAGE=C LC_MESSAGES=C /usr/sbin/adsl-start $netc->{NET_DEVICE} $adsl->{login}
",
'/usr/sbin/adsl-stop
/usr/bin/killall pppoe pppd
' ) } elsif ($adsl_type eq 'speedtouch') {
    write_cnx_script($netc, 'adsl',
'/usr/share/speedtouch/speedtouch.sh start
',
'/usr/share/speedtouch/speedtouch.sh stop
') }

    $netc->{NET_INTERFACE}='ppp0';
}

1;