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/*
* Copyright (c) 1997 - 2003 Kungliga Tekniska Högskolan
* (Royal Institute of Technology, Stockholm, Sweden).
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* 3. Neither the name of the Institute nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include "krb5/gsskrb5_locl.h"
RCSID("$Id: context_time.c 19031 2006-11-13 18:02:57Z lha $");
OM_uint32
_gsskrb5_lifetime_left(OM_uint32 *minor_status,
krb5_context context,
OM_uint32 lifetime,
OM_uint32 *lifetime_rec)
{
krb5_timestamp timeret;
krb5_error_code kret;
if (lifetime == 0) {
*lifetime_rec = GSS_C_INDEFINITE;
return GSS_S_COMPLETE;
}
kret = krb5_timeofday(context, &timeret);
if (kret) {
*minor_status = kret;
return GSS_S_FAILURE;
}
if (lifetime < timeret)
*lifetime_rec = 0;
else
*lifetime_rec = lifetime - timeret;
return GSS_S_COMPLETE;
}
OM_uint32 _gsskrb5_context_time
(OM_uint32 * minor_status,
const gss_ctx_id_t context_handle,
OM_uint32 * time_rec
)
{
krb5_context context;
OM_uint32 lifetime;
OM_uint32 major_status;
const gsskrb5_ctx ctx = (const gsskrb5_ctx) context_handle;
GSSAPI_KRB5_INIT (&context);
HEIMDAL_MUTEX_lock(&ctx->ctx_id_mutex);
lifetime = ctx->lifetime;
HEIMDAL_MUTEX_unlock(&ctx->ctx_id_mutex);
major_status = _gsskrb5_lifetime_left(minor_status, context,
lifetime, time_rec);
if (major_status != GSS_S_COMPLETE)
return major_status;
*minor_status = 0;
if (*time_rec == 0)
return GSS_S_CONTEXT_EXPIRED;
return GSS_S_COMPLETE;
}
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