crypto/dist/heimdal/lib/krb5/test_time.c

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