xref: /freebsd/crypto/heimdal/lib/krb5/test_time.c (revision 830940567b49bb0c08dfaed40418999e76616909)
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 
37 RCSID("$Id: test_time.c 18809 2006-10-22 07:11:43Z lha $");
38 
39 static void
40 check_set_time(krb5_context context)
41 {
42     krb5_error_code ret;
43     krb5_timestamp sec;
44     int32_t usec;
45     struct timeval tv;
46     int diff = 10;
47     int diff2;
48 
49     gettimeofday(&tv, NULL);
50 
51     ret = krb5_set_real_time(context, tv.tv_sec + diff, tv.tv_usec);
52     if (ret)
53 	krb5_err(context, 1, ret, "krb5_us_timeofday");
54 
55     ret = krb5_us_timeofday(context, &sec, &usec);
56     if (ret)
57 	krb5_err(context, 1, ret, "krb5_us_timeofday");
58 
59     diff2 = abs(sec - tv.tv_sec);
60 
61     if (diff2 < 9 || diff > 11)
62 	krb5_errx(context, 1, "set time error: diff: %d",
63 		  abs(sec - tv.tv_sec));
64 }
65 
66 
67 
68 int
69 main(int argc, char **argv)
70 {
71     krb5_context context;
72     krb5_error_code ret;
73 
74     ret = krb5_init_context(&context);
75     if (ret)
76 	errx(1, "krb5_init_context %d", ret);
77 
78     check_set_time(context);
79     check_set_time(context);
80     check_set_time(context);
81     check_set_time(context);
82     check_set_time(context);
83 
84     krb5_free_context(context);
85 
86     return 0;
87 }
88