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440e5d80 RS |
1 | /* |
2 | * Copyright 2015-2016 The OpenSSL Project Authors. All Rights Reserved. | |
3a3cb629 | 3 | * |
440e5d80 RS |
4 | * Licensed under the OpenSSL license (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 | |
3a3cb629 RS |
8 | */ |
9 | ||
10 | #include <openssl/crypto.h> | |
11 | #include <stdio.h> | |
12 | ||
13 | #define SECS_PER_DAY (24 * 60 * 60) | |
14 | ||
15 | /* | |
16 | * Time checking test code. Check times are identical for a wide range of | |
17 | * offsets. This should be run on a machine with 64 bit time_t or it will | |
18 | * trigger the very errors the routines fix. | |
19 | */ | |
20 | ||
21 | static int check_time(long offset) | |
22 | { | |
23 | struct tm tm1, tm2, o1; | |
24 | int off_day, off_sec; | |
25 | long toffset; | |
26 | time_t t1, t2; | |
27 | time(&t1); | |
28 | ||
29 | t2 = t1 + offset; | |
30 | OPENSSL_gmtime(&t2, &tm2); | |
31 | OPENSSL_gmtime(&t1, &tm1); | |
32 | o1 = tm1; | |
33 | OPENSSL_gmtime_adj(&tm1, 0, offset); | |
34 | if ((tm1.tm_year != tm2.tm_year) || | |
35 | (tm1.tm_mon != tm2.tm_mon) || | |
36 | (tm1.tm_mday != tm2.tm_mday) || | |
37 | (tm1.tm_hour != tm2.tm_hour) || | |
38 | (tm1.tm_min != tm2.tm_min) || (tm1.tm_sec != tm2.tm_sec)) { | |
39 | fprintf(stderr, "TIME ERROR!!\n"); | |
40 | fprintf(stderr, "Time1: %d/%d/%d, %d:%02d:%02d\n", | |
41 | tm2.tm_mday, tm2.tm_mon + 1, tm2.tm_year + 1900, | |
42 | tm2.tm_hour, tm2.tm_min, tm2.tm_sec); | |
43 | fprintf(stderr, "Time2: %d/%d/%d, %d:%02d:%02d\n", | |
44 | tm1.tm_mday, tm1.tm_mon + 1, tm1.tm_year + 1900, | |
45 | tm1.tm_hour, tm1.tm_min, tm1.tm_sec); | |
46 | return 0; | |
47 | } | |
48 | if (!OPENSSL_gmtime_diff(&off_day, &off_sec, &o1, &tm1)) | |
49 | return 0; | |
50 | toffset = (long)off_day *SECS_PER_DAY + off_sec; | |
51 | if (offset != toffset) { | |
52 | fprintf(stderr, "TIME OFFSET ERROR!!\n"); | |
53 | fprintf(stderr, "Expected %ld, Got %ld (%d:%d)\n", | |
54 | offset, toffset, off_day, off_sec); | |
55 | return 0; | |
56 | } | |
57 | return 1; | |
58 | } | |
59 | ||
60 | int main(int argc, char **argv) | |
61 | { | |
62 | long offset; | |
63 | int fails; | |
64 | ||
65 | if (sizeof(time_t) < 8) { | |
66 | fprintf(stderr, "Skipping; time_t is less than 64-bits\n"); | |
67 | return 0; | |
68 | } | |
69 | for (fails = 0, offset = 0; offset < 1000000; offset++) { | |
70 | if (!check_time(offset)) | |
71 | fails++; | |
72 | if (!check_time(-offset)) | |
73 | fails++; | |
74 | if (!check_time(offset * 1000)) | |
75 | fails++; | |
76 | if (!check_time(-offset * 1000)) | |
77 | fails++; | |
78 | } | |
79 | ||
80 | return fails ? 1 : 0; | |
81 | } |