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