1 /* -*- mode: c; c-basic-offset: 4; indent-tabs-mode: nil -*- */
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  * $Id$
28  */
29 
30 OM_uint32 KRB5_CALLCONV
krb5_gss_context_time(minor_status,context_handle,time_rec)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     ctx = (krb5_gss_ctx_id_rec *) context_handle;
42 
43     if (ctx->terminated || !ctx->established) {
44         *minor_status = KG_CTX_INCOMPLETE;
45         return(GSS_S_NO_CONTEXT);
46     }
47 
48     if ((code = krb5_timeofday(ctx->k5_context, &now))) {
49         *minor_status = code;
50         save_error_info(*minor_status, ctx->k5_context);
51         return(GSS_S_FAILURE);
52     }
53 
54     lifetime = ts_delta(ctx->krb_times.endtime, now);
55     if (!ctx->initiate)
56         lifetime += ctx->k5_context->clockskew;
57     if (lifetime <= 0) {
58         *time_rec = 0;
59         *minor_status = 0;
60         return(GSS_S_CONTEXT_EXPIRED);
61     } else {
62         *time_rec = lifetime;
63         *minor_status = 0;
64         return(GSS_S_COMPLETE);
65     }
66 }
67