1 /*
2 * Copyright (c) 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 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
37 static void
check_set_time(krb5_context context)38 check_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
66 int
main(int argc,char ** argv)67 main(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