1 /*
2 * Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved.
3 */
4 /* Copyright 1993 by OpenVision Technologies, Inc.
5 *
6 * Permission to use, copy, modify, distribute, and sell this software
7 * and its documentation for any purpose is hereby granted without fee,
8 * provided that the above copyright notice appears in all copies and
9 * that both that copyright notice and this permission notice appear in
10 * supporting documentation, and that the name of OpenVision not be used
11 * in advertising or publicity pertaining to distribution of the software
12 * without specific, written prior permission. OpenVision makes no
13 * representations about the suitability of this software for any
14 * purpose. It is provided "as is" without express or implied warranty.
15 *
16 * OPENVISION DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
17 * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
18 * EVENT SHALL OPENVISION BE LIABLE FOR ANY SPECIAL, INDIRECT OR
19 * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF
20 * USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
21 * OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
22 * PERFORMANCE OF THIS SOFTWARE.
23 */
24
25 #include "gssapiP_krb5.h"
26
27 /*
28 * $Id: context_time.c 16187 2004-03-19 09:33:57Z raeburn $
29 */
30
31 OM_uint32
krb5_gss_context_time(minor_status,context_handle,time_rec)32 krb5_gss_context_time(minor_status, context_handle, time_rec)
33 OM_uint32 *minor_status;
34 gss_ctx_id_t context_handle;
35 OM_uint32 *time_rec;
36 {
37 krb5_error_code code;
38 krb5_gss_ctx_id_rec *ctx;
39 krb5_timestamp now;
40 krb5_deltat lifetime;
41
42 /* validate the context handle */
43 if (! kg_validate_ctx_id(context_handle)) {
44 *minor_status = (OM_uint32) G_VALIDATE_FAILED;
45 return(GSS_S_NO_CONTEXT);
46 }
47
48 ctx = (krb5_gss_ctx_id_rec *) context_handle;
49
50 if (! ctx->established) {
51 *minor_status = KG_CTX_INCOMPLETE;
52 return(GSS_S_NO_CONTEXT);
53 }
54
55 if ((code = krb5_timeofday(ctx->k5_context, &now))) {
56 *minor_status = code;
57 save_error_info(*minor_status, ctx->k5_context);
58 return(GSS_S_FAILURE);
59 }
60
61 if ((lifetime = ctx->endtime - now) <= 0) {
62 *time_rec = 0;
63 *minor_status = 0;
64 return(GSS_S_CONTEXT_EXPIRED);
65 } else {
66 *time_rec = lifetime;
67 *minor_status = 0;
68 return(GSS_S_COMPLETE);
69 }
70 }
71