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/*
* Copyright 2015-2016 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the OpenSSL license (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
*/
#include <openssl/crypto.h>
#include <stdio.h>
#define SECS_PER_DAY (24 * 60 * 60)
/*
* Time checking test code. Check times are identical for a wide range of
* offsets. This should be run on a machine with 64 bit time_t or it will
* trigger the very errors the routines fix.
*/
static int check_time(long offset)
{
struct tm tm1, tm2, o1;
int off_day, off_sec;
long toffset;
time_t t1, t2;
time(&t1);
t2 = t1 + offset;
OPENSSL_gmtime(&t2, &tm2);
OPENSSL_gmtime(&t1, &tm1);
o1 = tm1;
OPENSSL_gmtime_adj(&tm1, 0, offset);
if ((tm1.tm_year != tm2.tm_year) ||
(tm1.tm_mon != tm2.tm_mon) ||
(tm1.tm_mday != tm2.tm_mday) ||
(tm1.tm_hour != tm2.tm_hour) ||
(tm1.tm_min != tm2.tm_min) || (tm1.tm_sec != tm2.tm_sec)) {
fprintf(stderr, "TIME ERROR!!\n");
fprintf(stderr, "Time1: %d/%d/%d, %d:%02d:%02d\n",
tm2.tm_mday, tm2.tm_mon + 1, tm2.tm_year + 1900,
tm2.tm_hour, tm2.tm_min, tm2.tm_sec);
fprintf(stderr, "Time2: %d/%d/%d, %d:%02d:%02d\n",
tm1.tm_mday, tm1.tm_mon + 1, tm1.tm_year + 1900,
tm1.tm_hour, tm1.tm_min, tm1.tm_sec);
return 0;
}
if (!OPENSSL_gmtime_diff(&off_day, &off_sec, &o1, &tm1))
return 0;
toffset = (long)off_day *SECS_PER_DAY + off_sec;
if (offset != toffset) {
fprintf(stderr, "TIME OFFSET ERROR!!\n");
fprintf(stderr, "Expected %ld, Got %ld (%d:%d)\n",
offset, toffset, off_day, off_sec);
return 0;
}
return 1;
}
int main(int argc, char **argv)
{
long offset;
int fails;
if (sizeof(time_t) < 8) {
fprintf(stderr, "Skipping; time_t is less than 64-bits\n");
return 0;
}
for (fails = 0, offset = 0; offset < 1000000; offset++) {
if (!check_time(offset))
fails++;
if (!check_time(-offset))
fails++;
if (!check_time(offset * 1000))
fails++;
if (!check_time(-offset * 1000))
fails++;
}
return fails ? 1 : 0;
}
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