1/*
2 * Copyright (c) 2003 Kungliga Tekniska H��gskolan
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 KTH nor the names of its contributors may be
18 *    used to endorse or promote products derived from this software without
19 *    specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY KTH AND ITS CONTRIBUTORS ``AS IS'' AND ANY
22 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
24 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL KTH OR ITS CONTRIBUTORS BE
25 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
26 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
27 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
28 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
29 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
30 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
31 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32 */
33
34#include "krb5_locl.h"
35#include <err.h>
36
37static void
38check_set_time(krb5_context context)
39{
40    krb5_error_code ret;
41    krb5_timestamp sec;
42    int32_t usec;
43    struct timeval tv;
44    int diff = 10;
45    int diff2;
46
47    gettimeofday(&tv, NULL);
48
49    ret = krb5_set_real_time(context, tv.tv_sec + diff, tv.tv_usec);
50    if (ret)
51	krb5_err(context, 1, ret, "krb5_us_timeofday");
52
53    ret = krb5_us_timeofday(context, &sec, &usec);
54    if (ret)
55	krb5_err(context, 1, ret, "krb5_us_timeofday");
56
57    diff2 = abs(sec - tv.tv_sec);
58
59    if (diff2 < 9 || diff > 11)
60	krb5_errx(context, 1, "set time error: diff: %d",
61		  abs(sec - tv.tv_sec));
62}
63
64
65
66int
67main(int argc, char **argv)
68{
69    krb5_context context;
70    krb5_error_code ret;
71
72    ret = krb5_init_context(&context);
73    if (ret)
74	errx(1, "krb5_init_context %d", ret);
75
76    check_set_time(context);
77    check_set_time(context);
78    check_set_time(context);
79    check_set_time(context);
80    check_set_time(context);
81
82    krb5_free_context(context);
83
84    return 0;
85}
86