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      1 #pragma ident	"%Z%%M%	%I%	%E% SMI"
      2 
      3 /* Copyright 1993 by OpenVision Technologies, Inc.
      4  *
      5  * Permission to use, copy, modify, distribute, and sell this software
      6  * and its documentation for any purpose is hereby granted without fee,
      7  * provided that the above copyright notice appears in all copies and
      8  * that both that copyright notice and this permission notice appear in
      9  * supporting documentation, and that the name of OpenVision not be used
     10  * in advertising or publicity pertaining to distribution of the software
     11  * without specific, written prior permission. OpenVision makes no
     12  * representations about the suitability of this software for any
     13  * purpose.  It is provided "as is" without express or implied warranty.
     14  *
     15  * OPENVISION DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
     16  * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
     17  * EVENT SHALL OPENVISION BE LIABLE FOR ANY SPECIAL, INDIRECT OR
     18  * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF
     19  * USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
     20  * OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
     21  * PERFORMANCE OF THIS SOFTWARE.
     22  */
     23 
     24 #include "gssapiP_krb5.h"
     25 
     26 /*
     27  * $Id: context_time.c 16187 2004-03-19 09:33:57Z raeburn $
     28  */
     29 
     30 OM_uint32
     31 krb5_gss_context_time(minor_status, context_handle, time_rec)
     32      OM_uint32 *minor_status;
     33      gss_ctx_id_t context_handle;
     34      OM_uint32 *time_rec;
     35 {
     36    krb5_error_code code;
     37    krb5_gss_ctx_id_rec *ctx;
     38    krb5_timestamp now;
     39    krb5_deltat lifetime;
     40 
     41    /* validate the context handle */
     42    if (! kg_validate_ctx_id(context_handle)) {
     43       *minor_status = (OM_uint32) G_VALIDATE_FAILED;
     44       return(GSS_S_NO_CONTEXT);
     45    }
     46 
     47    ctx = (krb5_gss_ctx_id_rec *) context_handle;
     48 
     49    if (! ctx->established) {
     50       *minor_status = KG_CTX_INCOMPLETE;
     51       return(GSS_S_NO_CONTEXT);
     52    }
     53 
     54    if ((code = krb5_timeofday(ctx->k5_context, &now))) {
     55       *minor_status = code;
     56       return(GSS_S_FAILURE);
     57    }
     58 
     59    if ((lifetime = ctx->endtime - now) <= 0) {
     60       *time_rec = 0;
     61       *minor_status = 0;
     62       return(GSS_S_CONTEXT_EXPIRED);
     63    } else {
     64       *time_rec = lifetime;
     65       *minor_status = 0;
     66       return(GSS_S_COMPLETE);
     67    }
     68 }
     69