package security::level; use strict; use common; my %level_list = ( 0 => N("Welcome To Crackers"), 1 => N("Poor"), 2 => N("Standard"), 3 => N("High"), 4 => N("Higher"), 5 => N("Paranoid"), ); my @sec_levels = map { $level_list{$_} } (0..5); # enforce order sub get_common_list { map { $level_list{$_} } (2, 3, 4); } sub get_full_list { } sub get { cat_("$::prefix/etc/profile") =~ /export SECURE_LEVEL=(\d+)/ && $1 || #- 8.0 msec cat_("$::prefix/etc/profile.d/msec.sh") =~ /export SECURE_LEVEL=(\d+)/ && $1 || #- 8.1 msec ${{ getVarsFromSh("$::prefix/etc/sysconfig/msec") }}{SECURE_LEVEL} || #- 8.2 msec $ENV{SECURE_LEVEL}; } sub get_string { return $sec_levels[get()] || 2 } sub set { my %sec_levels = reverse %level_list; my $run_level = $sec_levels{$_[0]}; print "set level: $_[0] -> $run_level\n"; print $::prefix, "/usr/sbin/msec ", $run_level || 3, "\n"; require run_program; run_program::rooted($::prefix, "/usr/sbin/msec", $run_level || 3); } sub level_choose { my ($in, $security, $libsafe, $email) = @_; my %l = ( 0 => N("Welcome To Crackers"), 1 => N("Poor"), 2 => N("Standard"), 3 => N("High"), 4 => N("Higher"), 5 => N("Paranoid"), ); my %help = ( 0 => N("This level is to be used with care. It makes your system more easy to use, but very sensitive: it must not be used for a machine connected to others or to the Internet. There is no password access."), 1 => N("Password are now enabled, but use as a networked computer is still not recommended."), 2 => N("This is the standard security recommended for a computer that will be used to connect to the Internet as a client."), 3 => N("There are already some restrictions, and more automatic checks are run every night."), 4 => N("With this security level, the use of this system as a server becomes possible. The security is now high enough to use the system as a server which can accept connections from many clients. Note: if your machine is only a client on the Internet, you should choose a lower level."), 5 => N("This is similar to the previous level, but the system is entirely closed and security features are at their maximum."), ); delete @l{0,1}; delete $l{5} if !$::expert; $in->ask_from( N("DrakSec Basic Options"), N("Please choose the desired security level") . "\n\n" . join('', map { "$l{$_}: " . formatAlaTeX($help{$_}) . "\n\n" } ikeys %l), [ { label => N("Security level"), val => $security, list => [ sort keys %l ], format => sub { $l{$_[0]} } }, if_($in->do_pkgs->is_installed('libsafe') && arch() =~ /^i.86/, { label => N("Use libsafe for servers"), val => $libsafe, type => 'bool', text => N("A library which defends against buffer overflow and format string attacks.") }), { label => N("Security Administrator (login or email)"), val => $email, }, ], ); } 1;