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|
use strict;
use warnings;
use TestLib;
use PostgresNode;
use Test::More;
if ($ENV{with_gssapi} eq 'yes')
{
plan tests => 4;
}
else
{
plan skip_all => 'GSSAPI/Kerberos not supported by this build';
}
my ($krb5_bin_dir, $krb5_sbin_dir);
if ($^O eq 'darwin')
{
$krb5_bin_dir = '/usr/local/opt/krb5/bin';
$krb5_sbin_dir = '/usr/local/opt/krb5/sbin';
}
elsif ($^O eq 'freebsd')
{
$krb5_bin_dir = '/usr/local/bin';
$krb5_sbin_dir = '/usr/local/sbin';
}
elsif ($^O eq 'linux')
{
$krb5_sbin_dir = '/usr/sbin';
}
my $krb5_config = 'krb5-config';
my $kinit = 'kinit';
my $kdb5_util = 'kdb5_util';
my $kadmin_local = 'kadmin.local';
my $krb5kdc = 'krb5kdc';
if ($krb5_bin_dir && -d $krb5_bin_dir)
{
$krb5_config = $krb5_bin_dir . '/' . $krb5_config;
$kinit = $krb5_bin_dir . '/' . $kinit;
}
if ($krb5_sbin_dir && -d $krb5_sbin_dir)
{
$kdb5_util = $krb5_sbin_dir . '/' . $kdb5_util;
$kadmin_local = $krb5_sbin_dir . '/' . $kadmin_local;
$krb5kdc = $krb5_sbin_dir . '/' . $krb5kdc;
}
my $host = 'auth-test-localhost.postgresql.example.com';
my $hostaddr = '127.0.0.1';
my $realm = 'EXAMPLE.COM';
my $krb5_conf = "${TestLib::tmp_check}/krb5.conf";
my $kdc_conf = "${TestLib::tmp_check}/kdc.conf";
my $krb5_log = "${TestLib::log_path}/krb5libs.log";
my $kdc_log = "${TestLib::log_path}/krb5kdc.log";
my $kdc_port = get_free_port();
my $kdc_datadir = "${TestLib::tmp_check}/krb5kdc";
my $kdc_pidfile = "${TestLib::tmp_check}/krb5kdc.pid";
my $keytab = "${TestLib::tmp_check}/krb5.keytab";
note "setting up Kerberos";
my ($stdout, $krb5_version);
run_log [ $krb5_config, '--version' ], '>', \$stdout
or BAIL_OUT("could not execute krb5-config");
BAIL_OUT("Heimdal is not supported") if $stdout =~ m/heimdal/;
$stdout =~ m/Kerberos 5 release ([0-9]+\.[0-9]+)/
or BAIL_OUT("could not get Kerberos version");
$krb5_version = $1;
append_to_file(
$krb5_conf,
qq![logging]
default = FILE:$krb5_log
kdc = FILE:$kdc_log
[libdefaults]
default_realm = $realm
[realms]
$realm = {
kdc = $hostaddr:$kdc_port
}!);
append_to_file(
$kdc_conf,
qq![kdcdefaults]
!);
# For new-enough versions of krb5, use the _listen settings rather
# than the _ports settings so that we can bind to localhost only.
if ($krb5_version >= 1.15)
{
append_to_file(
$kdc_conf,
qq!kdc_listen = $hostaddr:$kdc_port
kdc_tcp_listen = $hostaddr:$kdc_port
!);
}
else
{
append_to_file(
$kdc_conf,
qq!kdc_ports = $kdc_port
kdc_tcp_ports = $kdc_port
!);
}
append_to_file(
$kdc_conf,
qq!
[realms]
$realm = {
database_name = $kdc_datadir/principal
admin_keytab = FILE:$kdc_datadir/kadm5.keytab
acl_file = $kdc_datadir/kadm5.acl
key_stash_file = $kdc_datadir/_k5.$realm
}!);
mkdir $kdc_datadir or die;
$ENV{'KRB5_CONFIG'} = $krb5_conf;
$ENV{'KRB5_KDC_PROFILE'} = $kdc_conf;
my $service_principal = "$ENV{with_krb_srvnam}/$host";
system_or_bail $kdb5_util, 'create', '-s', '-P', 'secret0';
my $test1_password = 'secret1';
system_or_bail $kadmin_local, '-q', "addprinc -pw $test1_password test1";
system_or_bail $kadmin_local, '-q', "addprinc -randkey $service_principal";
system_or_bail $kadmin_local, '-q', "ktadd -k $keytab $service_principal";
system_or_bail $krb5kdc, '-P', $kdc_pidfile;
END
{
kill 'INT', `cat $kdc_pidfile` if -f $kdc_pidfile;
}
note "setting up PostgreSQL instance";
my $node = get_new_node('node');
$node->init;
$node->append_conf('postgresql.conf', "listen_addresses = '$hostaddr'");
$node->append_conf('postgresql.conf', "krb_server_keyfile = '$keytab'");
$node->start;
$node->safe_psql('postgres', 'CREATE USER test1;');
note "running tests";
sub test_access
{
my ($node, $role, $expected_res, $test_name) = @_;
# need to connect over TCP/IP for Kerberos
my $res = $node->psql(
'postgres',
'SELECT 1',
extra_params => [
'-d',
$node->connstr('postgres') . " host=$host hostaddr=$hostaddr",
'-U', $role
]);
is($res, $expected_res, $test_name);
return;
}
unlink($node->data_dir . '/pg_hba.conf');
$node->append_conf('pg_hba.conf',
qq{host all all $hostaddr/32 gss map=mymap});
$node->restart;
test_access($node, 'test1', 2, 'fails without ticket');
run_log [ $kinit, 'test1' ], \$test1_password or BAIL_OUT($?);
test_access($node, 'test1', 2, 'fails without mapping');
$node->append_conf('pg_ident.conf', qq{mymap /^(.*)\@$realm\$ \\1});
$node->restart;
test_access($node, 'test1', 0, 'succeeds with mapping');
truncate($node->data_dir . '/pg_ident.conf', 0);
unlink($node->data_dir . '/pg_hba.conf');
$node->append_conf('pg_hba.conf',
qq{host all all $hostaddr/32 gss include_realm=0});
$node->restart;
test_access($node, 'test1', 0, 'succeeds with include_realm=0');
|
