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 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 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