mirror of
https://sourceware.org/git/glibc.git
synced 2024-12-01 17:30:07 +00:00
138 lines
3.5 KiB
C
138 lines
3.5 KiB
C
/* Testcase for http://sourceware.org/bugzilla/show_bug.cgi?id=14090.
|
|
Copyright (C) 2012 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 180
|
|
#define TEST_FUNCTION do_test ()
|
|
#include "../test-skeleton.c"
|