source: trunk/server/source4/kdc/policy.c

/*
   Unix SMB/CIFS implementation.

   KDC Policy

   Copyright (C) Andrew Bartlett <abartlet@samba.org> 2010

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 3 of the License, or
   (at your option) any later version.

   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.

   You should have received a copy of the GNU General Public License
   along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

#include "includes.h"
#include "system/kerberos.h"
#include "auth/kerberos/kerberos.h"
#include "param/param.h"

void kdc_get_policy(struct loadparm_context *lp_ctx, 
                    struct smb_krb5_context *smb_krb5_context, 
                    struct lsa_DomainInfoKerberos *k)
{
        /* These should be set and stored via Group Policy, but until then, some defaults are in order */

        /* Our KDC always re-validates the client */
        k->authentication_options = LSA_POLICY_KERBEROS_VALIDATE_CLIENT;

        unix_to_nt_time(&k->service_tkt_lifetime,
                        lpcfg_parm_int(lp_ctx, NULL, "kdc", "service ticket lifetime", 10) * 60 * 60);
        unix_to_nt_time(&k->user_tkt_lifetime,
                        lpcfg_parm_int(lp_ctx, NULL, "kdc", "user ticket lifetime", 10) * 60 * 60);
        unix_to_nt_time(&k->user_tkt_renewaltime,
                        lpcfg_parm_int(lp_ctx, NULL, "kdc", "renewal lifetime", 24*7) * 60 * 60);
        if (smb_krb5_context) {
                unix_to_nt_time(&k->clock_skew, 
                                krb5_get_max_time_skew(smb_krb5_context->krb5_context));
        }
        k->reserved = 0;
}