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#!/usr/bin/perl

# Interfaces Conf Parser

# Copyright (C) 2002 MandrakeSoft Arnaud Desmons <adesmons@mandrakesoft.com>
#
# 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 IFCFG;
use strict;
use Data::Dumper;
use MDK::Common;

my	$file = "/etc/sysconfig/network-scripts/drakconnect_conf";
!-f $file and die "no such $file";
sub	new {
    my	$self = {};
    
    $ENV{PATH} = "";
    my $ifconfig = `LC_ALL=C /sbin/ifconfig -a`;
    my $device = 'NONE';
    my @interfaces;
    foreach (split('\n', $ifconfig)) {
	my ($temp) = /(^eth[0-9]*:?[0-9]*).*/;
	$device = $temp if defined $temp;
	my ($ip, $bcast, $netmask) = /\s*inet addr:([0-9\.]*)\s*Bcast:([0-9\.]*)\s*Mask:([0-9\.]*).*/;
	if (defined $ip && defined $bcast && defined $netmask) {
	    $self->{itf}{$device} = {IPADDR => $ip, BROADCAST => $bcast, NETMASK => $netmask};
	    my %conf = getVarsFromSh("/etc/sysconfig/network-scripts/ifcfg-$device");
	    $self->{itf}{$device}{$_} = $conf{$_} foreach ('BOOTPROTO');
	}
    }
    $self->{network} = getVarsFromSh("/etc/sysconfig/network");
    bless $self;
}

sub	is_dhcp {
    my	$self = shift;
    my	($itf) = @_;

    $itf ||= default_itf();
    $self->{itf}{$itf}{BOOTPROTO} eq 'dhcp';
}


sub	get {
    my	$self = shift;
    my	($key1, $key2) = @_;

    exists $self->{$key1}{$key2} or die "no $key1 $key2 field in $file";
    $self->{$key1}{$key2};
}

#- TODO : return the main interface
sub	default_itf {
    "eth0";
}

sub	itf_get {
    my	$self = shift;
    my	($key, $itf) = @_;

    $itf ||= default_itf;
    exists $self->{itf}{$itf}{$key} or die "no $key field in $file";
    $self->{itf}{$itf}{$key}
}

sub	network_get {
    my	$self = shift;
    my	($key) = @_;

    get("network", $key);
}

10;