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#!/usr/local/bin/perl
# sample_server
# receives authentication info from a client using recvauth
use blib; # remove if not in module build directory
use IO::Socket;
use Sys::Hostname;
use Authen::Krb5 (KRB5_NT_SRV_HST);
# replace with your own stuff
$SERVICE = "sample";
$KEYTAB_FILE = "/etc/krb5.keytab";
chomp($SERVER = hostname());
Authen::Krb5::init_context();
$ac = new Authen::Krb5::AuthContext;
$s = new IO::Socket::INET(
LocalAddr => $SERVER,
LocalPort => 12345,
Proto => 'tcp',
Reuse => 1,
Listen => 5
);
defined $s or die $!;
$ns = $s->accept();
$sprinc = Authen::Krb5::sname_to_principal($SERVER,$SERVICE,KRB5_NT_SRV_HST);
$kt = Authen::Krb5::kt_resolve("FILE:$KEYTAB_FILE");
$t = Authen::Krb5::recvauth($ac,$ns,"V1",$sprinc,$kt);
if ($t) {
print "Received authentication info.\n";
$client = $t->enc_part2->client;
print "Hello, ",$client->data,".\n";
}
else {
print "recvauth error: ",Authen::Krb5::error(),"\n";
}
close($ns);
close($s);
Authen::Krb5::free_context();
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