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/*
* $Source$
* $Author$
*
* Copyright 1990 by the Massachusetts Institute of Technology.
*
* For copying and distribution information, please see the file
* <krb5/mit-copyright.h>.
*
* Policy decision routines for KDC.
*/
#if !defined(lint) && !defined(SABER)
static char rcsid_policy_c[] =
"$Id$";
#endif /* !lint & !SABER */
#include <krb5/copyright.h>
#include <krb5/krb5.h>
#include <krb5/kdb.h>
#include "kdc_util.h"
/*ARGSUSED*/
krb5_boolean
against_postdate_policy(fromtime)
krb5_timestamp fromtime;
{
return FALSE;
}
krb5_boolean
against_flag_policy_as(request)
register krb5_as_req *request;
{
if (isflagset(request->kdc_options, KDC_OPT_FORWARDED) ||
isflagset(request->kdc_options, KDC_OPT_PROXY) ||
isflagset(request->kdc_options, KDC_OPT_RENEW) ||
isflagset(request->kdc_options, KDC_OPT_VALIDATE) ||
isflagset(request->kdc_options, KDC_OPT_REUSE_SKEY) ||
isflagset(request->kdc_options, KDC_OPT_ENC_TKT_IN_SKEY))
return TRUE; /* against policy */
return FALSE; /* not against policy */
}
krb5_boolean
against_flag_policy_tgs(request)
register krb5_tgs_req *request;
{
register krb5_real_tgs_req *realreq = request->tgs_request2;
if (((isflagset(realreq->kdc_options, KDC_OPT_FORWARDED) ||
isflagset(realreq->kdc_options, KDC_OPT_FORWARDABLE)) &&
!isflagset(request->header2->ticket->enc_part2->flags,
TKT_FLG_FORWARDABLE)) || /* TGS must be forwardable to get
forwarded or forwardable ticket */
((isflagset(realreq->kdc_options, KDC_OPT_PROXY) ||
isflagset(realreq->kdc_options, KDC_OPT_PROXIABLE)) &&
!isflagset(request->header2->ticket->enc_part2->flags,
TKT_FLG_PROXIABLE)) || /* TGS must be proxiable to get
proxiable ticket */
((isflagset(realreq->kdc_options, KDC_OPT_ALLOW_POSTDATE) ||
isflagset(realreq->kdc_options, KDC_OPT_POSTDATED)) &&
!isflagset(request->header2->ticket->enc_part2->flags,
TKT_FLG_MAY_POSTDATE)) || /* TGS must allow postdating to get
postdated ticket */
(isflagset(realreq->kdc_options, KDC_OPT_VALIDATE) &&
!isflagset(request->header2->ticket->enc_part2->flags,
TKT_FLG_INVALID)) || /* can only validate invalid tix */
((isflagset(realreq->kdc_options, KDC_OPT_RENEW) ||
isflagset(realreq->kdc_options, KDC_OPT_RENEWABLE)) &&
!isflagset(request->header2->ticket->enc_part2->flags,
TKT_FLG_RENEWABLE))) /* can only renew renewable tix */
return TRUE; /* against policy */
return FALSE; /* XXX not against policy */
}
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