File: context_time.c

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krb5 1.12.1+dfsg-19+deb8u4
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/* -*- mode: c; c-basic-offset: 4; indent-tabs-mode: nil -*- */
/*
 * Copyright 1993 by OpenVision Technologies, Inc.
 *
 * Permission to use, copy, modify, distribute, and sell this software
 * and its documentation for any purpose is hereby granted without fee,
 * provided that the above copyright notice appears in all copies and
 * that both that copyright notice and this permission notice appear in
 * supporting documentation, and that the name of OpenVision not be used
 * in advertising or publicity pertaining to distribution of the software
 * without specific, written prior permission. OpenVision makes no
 * representations about the suitability of this software for any
 * purpose.  It is provided "as is" without express or implied warranty.
 *
 * OPENVISION DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
 * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
 * EVENT SHALL OPENVISION BE LIABLE FOR ANY SPECIAL, INDIRECT OR
 * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF
 * USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
 * OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
 * PERFORMANCE OF THIS SOFTWARE.
 */

#include "gssapiP_krb5.h"

/*
 * $Id$
 */

OM_uint32 KRB5_CALLCONV
krb5_gss_context_time(minor_status, context_handle, time_rec)
    OM_uint32 *minor_status;
    gss_ctx_id_t context_handle;
    OM_uint32 *time_rec;
{
    krb5_error_code code;
    krb5_gss_ctx_id_rec *ctx;
    krb5_timestamp now;
    krb5_deltat lifetime;

    ctx = (krb5_gss_ctx_id_rec *) context_handle;

    if (ctx->terminated || !ctx->established) {
        *minor_status = KG_CTX_INCOMPLETE;
        return(GSS_S_NO_CONTEXT);
    }

    if ((code = krb5_timeofday(ctx->k5_context, &now))) {
        *minor_status = code;
        save_error_info(*minor_status, ctx->k5_context);
        return(GSS_S_FAILURE);
    }

    if ((lifetime = ctx->krb_times.endtime - now) <= 0) {
        *time_rec = 0;
        *minor_status = 0;
        return(GSS_S_CONTEXT_EXPIRED);
    } else {
        *time_rec = lifetime;
        *minor_status = 0;
        return(GSS_S_COMPLETE);
    }
}