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#!/usr/bin/perl
# **** License ****
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 as
# published by the Free Software Foundation.
#
# 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.
#
# This code was originally developed by Vyatta, Inc.
# Portions created by Vyatta are Copyright (C) 2007 Vyatta, Inc.
# All Rights Reserved.
#
# **** End License ****
use strict;
use warnings;
use lib "/opt/vyatta/share/perl5";
use Vyatta::Config;
my $PAM_RAD_CFG = '/etc/pam_radius_auth.conf';
my $PAM_RAD_BEGIN = '# BEGIN Vyatta Radius servers';
my $PAM_RAD_END = '# END Vyatta Radius servers';
sub is_pam_radius_present {
open( my $auth, '<', '/etc/pam.d/common-auth' )
or die "Cannot open /etc/pam.d/common-auth\n";
my $present;
while (<$auth>) {
if (/\ssufficient\spam_radius_auth\.so$/) {
$present = 1;
last;
}
}
close $auth;
return $present;
}
sub remove_pam_radius {
return 1 if ( !is_pam_radius_present() );
my $cmd =
'sudo sh -c "'
. 'sed -i \'/\tsufficient\tpam_radius_auth\.so$/d;'
. '/\tpam_unix\.so /{s/ use_first_pass$//}\' '
. '/etc/pam.d/common-auth && '
. 'sed -i \'/\tsufficient\tpam_radius_auth\.so$/d\' '
. '/etc/pam.d/common-account"';
system($cmd);
return 0 if ( $? >> 8 );
return 1;
}
sub add_pam_radius {
return 1 if ( is_pam_radius_present() );
my $cmd =
'sudo sh -c "'
. 'sed -i \'s/^\(auth\trequired\tpam_unix\.so.*\)$'
. '/auth\tsufficient\tpam_radius_auth.so\n\1 use_first_pass/\' '
. '/etc/pam.d/common-auth && '
. 'sed -i \'s/^\(account\trequired\tpam_unix\.so.*\)$'
. '/account\tsufficient\tpam_radius_auth.so\n\1/\' '
. '/etc/pam.d/common-account"';
system($cmd);
return 0 if ( $? >> 8 );
return 1;
}
sub remove_radius_servers {
system( "sudo sed -i '/^$PAM_RAD_BEGIN\$/,/^$PAM_RAD_END\$/{d}' "
. "$PAM_RAD_CFG" );
return 0 if ( $? >> 8 );
return 1;
}
sub add_radius_servers {
my $str = shift;
system( "sudo sh -c \""
. "echo '$PAM_RAD_BEGIN\n$str$PAM_RAD_END\n' >> $PAM_RAD_CFG\"" );
return 0 if ( $? >> 8 );
return 1;
}
# handle "radius-server"
my $rconfig = new Vyatta::Config;
$rconfig->setLevel("system login radius-server");
my %servers = $rconfig->listNodeStatus();
my @server_keys = sort keys %servers;
if ( scalar(@server_keys) <= 0 ) {
# all radius servers deleted
exit 1 if ( !remove_pam_radius() );
exit 0;
}
# we have some servers
my $all_deleted = 1;
my $server_str = '';
remove_radius_servers();
for my $server (@server_keys) {
if ( $servers{$server} ne 'deleted' ) {
$all_deleted = 0;
my $port = $rconfig->returnValue("$server port");
my $secret = $rconfig->returnValue("$server secret");
my $timeout = $rconfig->returnValue("$server timeout");
$server_str .= "$server:$port\t$secret\t$timeout\n";
}
}
if ($all_deleted) {
# all radius servers deleted
exit 1 if ( !remove_pam_radius() );
}
else {
exit 1 if ( !add_radius_servers($server_str) );
exit 1 if ( !add_pam_radius() );
}
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