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/* krb5/utils.c --- Kerberos 5 GSS-API helper functions.
* Copyright (C) 2003-2022 Simon Josefsson
*
* This file is part of the GNU Generic Security Service Library.
*
* This file is free software: you can redistribute it and/or modify
* it under the terms of either:
*
* * the GNU Lesser General Public License as published by the Free
* Software Foundation; either version 3 of the License, or (at
* your option) any later version.
*
* or
*
* * the GNU General Public License as published by the Free Software
* Foundation; either version 2 of the License, or (at your option)
* any later version.
*
* or both in parallel, as here.
*
* This file 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 copies of the GNU General Public License
* and the GNU Lesser General Public License along with this file. If
* not, see <http://www.gnu.org/licenses/>.
*
*/
/* Get specification. */
#include "k5internal.h"
/* Return number of seconds left of ticket lifetime, or 0 if ticket
has expired, or GSS_C_INDEFINITE if ticket is NULL. */
OM_uint32
gss_krb5_tktlifetime (Shishi_tkt * tkt)
{
time_t now, end;
if (!tkt)
return GSS_C_INDEFINITE;
if (!shishi_tkt_valid_now_p (tkt))
return 0;
now = time (NULL);
end = shishi_tkt_endctime (tkt);
return end - now;
}
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