1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
|
/* Testcase for https://sourceware.org/bugzilla/show_bug.cgi?id=14090.
Copyright (C) 2012-2018 Free Software Foundation, Inc.
This file is part of the GNU C Library.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published
by the Free Software Foundation; version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, see <http://www.gnu.org/licenses/>. */
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/mman.h>
#include "md5.h"
/* This test will not work with 32-bit size_t, so let it succeed
there. */
#if SIZE_MAX <= UINT32_MAX
static int
do_test (void)
{
return 0;
}
#else
# define CONST_2G 0x080000000
# define CONST_10G 0x280000000
/* MD5 sum values of zero-filled blocks of specified sizes. */
static const struct test_data_s
{
const char ref[16];
size_t len;
} test_data[] =
{
{ "\xd4\x1d\x8c\xd9\x8f\x00\xb2\x04\xe9\x80\x09\x98\xec\xf8\x42\x7e",
0x000000000 },
{ "\xa9\x81\x13\x0c\xf2\xb7\xe0\x9f\x46\x86\xdc\x27\x3c\xf7\x18\x7e",
0x080000000 },
{ "\xc9\xa5\xa6\x87\x8d\x97\xb4\x8c\xc9\x65\xc1\xe4\x18\x59\xf0\x34",
0x100000000 },
{ "\x58\xcf\x63\x8a\x73\x3f\x91\x90\x07\xb4\x28\x7c\xf5\x39\x6d\x0c",
0x180000000 },
{ "\xb7\x70\x35\x1f\xad\xae\x5a\x96\xbb\xaf\x97\x02\xed\x97\xd2\x8d",
0x200000000 },
{ "\x2d\xd2\x6c\x4d\x47\x99\xeb\xd2\x9f\xa3\x1e\x48\xd4\x9e\x8e\x53",
0x280000000 },
};
static int
report (const char *id, const char *md5, size_t len, const char *ref)
{
if (memcmp (md5, ref, 16))
{
printf ("test %s with size %zd failed\n", id, len);
return 1;
}
return 0;
}
/* Test md5 in a single md5_process_bytes call. */
static int
test_single (void *buf, size_t len, const char *ref)
{
char sum[16];
struct md5_ctx ctx;
__md5_init_ctx (&ctx);
__md5_process_bytes (buf, len, &ctx);
__md5_finish_ctx (&ctx, sum);
return report ("single", sum, len, ref);
}
/* Test md5 with two md5_process_bytes calls to trigger a
different path in md5_process_block for sizes > 2 GB. */
static int
test_double (void *buf, size_t len, const char *ref)
{
char sum[16];
struct md5_ctx ctx;
__md5_init_ctx (&ctx);
if (len >= CONST_2G)
{
__md5_process_bytes (buf, CONST_2G, &ctx);
__md5_process_bytes (buf + CONST_2G, len - CONST_2G, &ctx);
}
else
__md5_process_bytes (buf, len, &ctx);
__md5_finish_ctx (&ctx, sum);
return report ("double", sum, len, ref);
}
static int
do_test (void)
{
void *buf;
unsigned int j;
int result = 0;
buf = mmap64 (0, CONST_10G, PROT_READ, MAP_ANONYMOUS | MAP_PRIVATE, -1, 0);
if (buf == MAP_FAILED)
{
puts ("Could not allocate 10 GB via mmap, skipping test.");
return 0;
}
for (j = 0; j < sizeof (test_data) / sizeof (struct test_data_s); j++)
{
if (test_single (buf, test_data[j].len, test_data[j].ref))
result = 1;
if (test_double (buf, test_data[j].len, test_data[j].ref))
result = 1;
}
return result;
}
#endif
/* This needs on a fast machine 90s. */
#define TIMEOUT 480
#define TEST_FUNCTION do_test ()
#include "../test-skeleton.c"
|
GitWeb