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