#!/usr/bin/perl
#
#!/usr/bin/perl
#
# Copyright (C) 2006 Mandriva
# 
# Author: Florent Villard <warly@mandriva.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.
#
# run commands which needs root privilege
#

use strict;
my $program_name = 'iurt_root_command';
use Mkcd::Commandline qw(parseCommandLine usage);

my $arg = @ARGV;
my (@params, %run);
$run{program_name} = $program_name;

my %authorized_modules = ( 'unionfs' => 1 );
my $sudo = '/usr/bin/sudo';

$run{todo} = [ ];
@params = ( 
    #    [ "one letter option", "long name option", "number of args (-X means ´at least X´)", "help text", "function to call", "log info"]
    #
    # no_rsync, config_help and copy_srpm kept for compatibility reasons
    #
    [ "", "$program_name", 0, "[--modprobe <module>]", 
    "$program_name is a perl script to execute commands which need root privilege, it helps probram which needs occasional root privileges for some commands.", 
    sub { $arg or usage($program_name, \@params) }, "" ],
    [ "", "modprobe", 1, "<module>]", 
    "$program_name is a perl script to execute commands which need root privilege, it helps probram which needs occasional root privileges for some commands.", 
    \&modprobe, "" ],
);

open(my $LOG, ">&STDERR");
$run{LOG} = $LOG;

my $todo = parseCommandLine($program_name, \@ARGV, \@params);
@ARGV and usage($program_name, \@params, "@ARGV, too many arguments");
foreach my $t (@$todo)  {
    print {$run{LOG}} "$program_name: $t->[2]\n" if $run{verbose} > 5;
    &{$t->[0]}(@{$t->[1]}) or print {$run{LOG}} "ERROR: $t->[2]\n";
}

exit

sub modprobe {
    my ($run, $module) = @_;
    if (!$authorized_modules{$module}) {
	print {$run->{LOG}} "ERROR $program_name: unauthorized module $module\n";
	return 0
    }
    system($sudo, "/sbin/depmod", "-a");
    !system($sudo, "/sbin/modprobe", "-f", $module)
}