Line data Source code
1 : /*
2 : * Copyright (c) 1997 - 2003 Kungliga Tekniska Högskolan
3 : * (Royal Institute of Technology, Stockholm, Sweden).
4 : * All rights reserved.
5 : *
6 : * Redistribution and use in source and binary forms, with or without
7 : * modification, are permitted provided that the following conditions
8 : * are met:
9 : *
10 : * 1. Redistributions of source code must retain the above copyright
11 : * notice, this list of conditions and the following disclaimer.
12 : *
13 : * 2. Redistributions in binary form must reproduce the above copyright
14 : * notice, this list of conditions and the following disclaimer in the
15 : * documentation and/or other materials provided with the distribution.
16 : *
17 : * 3. Neither the name of the Institute nor the names of its contributors
18 : * may be used to endorse or promote products derived from this software
19 : * without specific prior written permission.
20 : *
21 : * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
22 : * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 : * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 : * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
25 : * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 : * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 : * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 : * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 : * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 : * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 : * SUCH DAMAGE.
32 : */
33 :
34 : #include "gsskrb5_locl.h"
35 :
36 : OM_uint32
37 144082 : _gsskrb5_lifetime_left(OM_uint32 *minor_status,
38 : krb5_context context,
39 : OM_uint32 lifetime,
40 : OM_uint32 *lifetime_rec)
41 : {
42 : krb5_timestamp timeret;
43 : krb5_error_code kret;
44 :
45 144082 : if (lifetime == 0) {
46 12 : *lifetime_rec = GSS_C_INDEFINITE;
47 12 : return GSS_S_COMPLETE;
48 : }
49 :
50 144070 : kret = krb5_timeofday(context, &timeret);
51 144070 : if (kret) {
52 0 : *minor_status = kret;
53 0 : return GSS_S_FAILURE;
54 : }
55 :
56 144070 : if (lifetime < timeret)
57 0 : *lifetime_rec = 0;
58 : else
59 144070 : *lifetime_rec = lifetime - timeret;
60 :
61 140543 : return GSS_S_COMPLETE;
62 : }
63 :
64 :
65 0 : OM_uint32 GSSAPI_CALLCONV _gsskrb5_context_time
66 : (OM_uint32 * minor_status,
67 : const gss_ctx_id_t context_handle,
68 : OM_uint32 * time_rec
69 : )
70 : {
71 : krb5_context context;
72 : OM_uint32 lifetime;
73 : OM_uint32 major_status;
74 0 : const gsskrb5_ctx ctx = (const gsskrb5_ctx) context_handle;
75 :
76 0 : GSSAPI_KRB5_INIT (&context);
77 :
78 : HEIMDAL_MUTEX_lock(&ctx->ctx_id_mutex);
79 0 : lifetime = ctx->lifetime;
80 : HEIMDAL_MUTEX_unlock(&ctx->ctx_id_mutex);
81 :
82 0 : major_status = _gsskrb5_lifetime_left(minor_status, context,
83 : lifetime, time_rec);
84 0 : if (major_status != GSS_S_COMPLETE)
85 0 : return major_status;
86 :
87 0 : *minor_status = 0;
88 :
89 0 : if (*time_rec == 0)
90 0 : return GSS_S_CONTEXT_EXPIRED;
91 :
92 0 : return GSS_S_COMPLETE;
93 : }
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