1 /* 2 * Copyright 2015-2021 The OpenSSL Project Authors. All Rights Reserved. 3 * 4 * Licensed under the Apache License 2.0 (the "License"). You may not use 5 * this file except in compliance with the License. You can obtain a copy 6 * in the file LICENSE in the source distribution or at 7 * https://www.openssl.org/source/license.html 8 */ 9 10 #include <openssl/crypto.h> 11 12 #include "testutil.h" 13 14 #define SECS_PER_DAY (24 * 60 * 60) 15 16 /* 17 * Time checking test code. Check times are identical for a wide range of 18 * offsets. This should be run on a machine with 64 bit time_t or it will 19 * trigger the very errors the routines fix. 20 */ 21 22 static int check_time(long offset) 23 { 24 struct tm tm1, tm2, o1; 25 int off_day, off_sec; 26 long toffset; 27 time_t t1, t2; 28 29 time(&t1); 30 31 t2 = t1 + offset; 32 OPENSSL_gmtime(&t2, &tm2); 33 OPENSSL_gmtime(&t1, &tm1); 34 o1 = tm1; 35 if (!TEST_true(OPENSSL_gmtime_adj(&tm1, 0, offset)) 36 || !TEST_int_eq(tm1.tm_year, tm2.tm_year) 37 || !TEST_int_eq(tm1.tm_mon, tm2.tm_mon) 38 || !TEST_int_eq(tm1.tm_mday, tm2.tm_mday) 39 || !TEST_int_eq(tm1.tm_hour, tm2.tm_hour) 40 || !TEST_int_eq(tm1.tm_min, tm2.tm_min) 41 || !TEST_int_eq(tm1.tm_sec, tm2.tm_sec) 42 || !TEST_true(OPENSSL_gmtime_diff(&off_day, &off_sec, &o1, &tm1))) 43 return 0; 44 toffset = (long)off_day * SECS_PER_DAY + off_sec; 45 if (!TEST_long_eq(offset, toffset)) 46 return 0; 47 return 1; 48 } 49 50 static int test_gmtime(int offset) 51 { 52 return check_time(offset) 53 && check_time(-offset) 54 && check_time(offset * 1000L) 55 && check_time(-offset * 1000L) 56 && check_time(offset * 1000000L) 57 && check_time(-offset * 1000000L); 58 } 59 60 int setup_tests(void) 61 { 62 if (sizeof(time_t) < 8) 63 TEST_info("Skipping; time_t is less than 64-bits"); 64 else 65 ADD_ALL_TESTS_NOSUBTEST(test_gmtime, 1000); 66 return 1; 67 } 68