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# **** 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 ****
package Vyatta::Login::Radius;
use strict;
use warnings;
use lib "/opt/vyatta/share/perl5";
use Vyatta::Config;
use File::Compare;
use File::Copy;
my $PAM_RAD_CFG = '/etc/pam_radius_auth.conf';
my $PAM_RAD_TMP = "/tmp/pam_radius_auth.$$";
my $PAM_RAD_AUTH = "/usr/share/pam-configs/radius";
my $PAM_RAD_SYSCONF = "/opt/vyatta/etc/pam_radius.cfg";
sub remove_pam_radius {
system('sed -i -e \'/^passwd:.*mapuid[ \t]/s/mapuid[ \t]//\' \
-e \'/^passwd:.*[ \t]mapname/s/[ \t]mapname//\' \
-e \'/^group:.*[ \t]mapname/s/[ \t]mapname//\' \
-e \'s/[ \t]*$//\' \
/etc/nsswitch.conf');
system("DEBIAN_FRONTEND=noninteractive " .
"pam-auth-update --package --remove radius") == 0
or die "pam-auth-update remove failed";
unlink($PAM_RAD_AUTH)
or die "Can't remove $PAM_RAD_AUTH";
}
sub add_pam_radius {
copy($PAM_RAD_SYSCONF,$PAM_RAD_AUTH)
or die "Can't copy $PAM_RAD_SYSCONF to $PAM_RAD_AUTH";
system("DEBIAN_FRONTEND=noninteractive " .
"pam-auth-update --package radius") == 0
or die "pam-auth-update add failed";
system('sed -i -e \'/\smapname/b\' \
-e \'/^passwd:/s/\s\s*/&mapuid /\' \
-e \'/^passwd:.*#/s/#.*/mapname &/\' \
-e \'/^passwd:[^#]*$/s/$/ mapname &/\' \
-e \'/^group:.*#/s/#.*/ mapname &/\' \
-e \'/^group:[^#]*$/s/: */&mapname /\' \
/etc/nsswitch.conf') == 0
or die "NSS configuration failed";
}
sub update {
my $rconfig = new Vyatta::Config;
$rconfig->setLevel("system login radius server");
my %servers = $rconfig->listNodeStatus();
my $count = 0;
open (my $cfg, ">", $PAM_RAD_TMP)
or die "Can't open config tmp: $PAM_RAD_TMP :$!";
print $cfg "# RADIUS configuration file\n";
print $cfg "# automatically generated do not edit\n";
print $cfg "# Server\tSecret\tTimeout\n";
for my $server ( sort keys %servers ) {
next if ( $servers{$server} eq 'deleted' );
my $port = $rconfig->returnValue("$server port");
my $secret = $rconfig->returnValue("$server secret");
my $timeout = $rconfig->returnValue("$server timeout");
print $cfg "$server:$port\t$secret\t$timeout\n";
++$count;
print $cfg "priv-lvl 15\n";
print $cfg "mapped_priv_user radius_priv_user\n";
}
close($cfg);
if ( compare( $PAM_RAD_CFG, $PAM_RAD_TMP ) != 0 ) {
copy ($PAM_RAD_TMP, $PAM_RAD_CFG)
or die "Copy of $PAM_RAD_TMP to $PAM_RAD_CFG failed";
}
unlink($PAM_RAD_TMP);
if ( $count > 0 ) {
add_pam_radius();
} else {
remove_pam_radius();
}
}
1;
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