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同步操作将从 HoperunHarmony/stress-ng 强制同步,此操作会覆盖自 Fork 仓库以来所做的任何修改,且无法恢复!!!
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/*
* Copyright (C) 2013-2021 Canonical, Ltd.
* Copyright (C) 2022 Colin Ian King.
*
* 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; either 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, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#include "stress-ng.h"
#if defined(HAVE_CRYPT_H)
#include <crypt.h>
#endif
static const stress_help_t help[] = {
{ NULL, "crypt N", "start N workers performing password encryption" },
{ NULL, "crypt-ops N", "stop after N bogo crypt operations" },
{ NULL, NULL, NULL }
};
#if defined(HAVE_LIB_CRYPT) && \
defined(HAVE_CRYPT_H)
typedef struct {
const char id;
const char *method;
} crypt_method_t;
static const crypt_method_t crypt_methods[] = {
{ '1', "MD5" },
{ '5', "SHA-256" },
{ '6', "SHA-512" },
{ '7', "scrypt" },
{ '3', "NT" },
{ 'y', "yescrypt" },
};
/*
* stress_crypt_id()
* crypt a password with given seed and id
*/
static int stress_crypt_id(
const stress_args_t *args,
const char id,
const char *method,
const char *passwd,
char *salt)
{
salt[1] = id;
char *encrypted;
#if defined (HAVE_CRYPT_R)
static struct crypt_data data;
(void)memset(&data, 0, sizeof(data));
errno = 0;
encrypted = crypt_r(passwd, salt, &data);
#else
encrypted = crypt(passwd, salt);
#endif
if (!encrypted) {
switch (errno) {
case 0:
break;
case EINVAL:
break;
#if defined(ENOSYS)
case ENOSYS:
break;
#endif
#if defined(EOPNOTSUPP)
case EOPNOTSUPP:
#endif
break;
default:
pr_fail("%s: cannot encrypt with %s, errno=%d (%s)\n",
args->name, method, errno, strerror(errno));
return -1;
}
}
return 0;
}
/*
* stress_crypt()
* stress libc crypt
*/
static int stress_crypt(const stress_args_t *args)
{
stress_set_proc_state(args->name, STRESS_STATE_RUN);
do {
static const char seedchars[] =
"./0123456789ABCDEFGHIJKLMNOPQRST"
"UVWXYZabcdefghijklmnopqrstuvwxyz";
char passwd[16];
char salt[] = "$x$........";
uint64_t seed[2];
size_t i, failed = 0;
seed[0] = stress_mwc64();
seed[1] = stress_mwc64();
for (i = 0; i < 8; i++)
salt[i + 3] = seedchars[(seed[i / 5] >> (i % 5) * 6) & 0x3f];
for (i = 0; i < sizeof(passwd) - 1; i++)
passwd[i] = seedchars[stress_mwc32() % sizeof(seedchars)];
passwd[i] = '\0';
for (i = 0; keep_stressing(args) && (i < SIZEOF_ARRAY(crypt_methods)); i++) {
int ret;
ret = stress_crypt_id(args,
crypt_methods[i].id,
crypt_methods[i].method,
passwd, salt);
if (ret < 0)
failed++;
else
inc_counter(args);
}
if (failed)
break;
} while (keep_stressing(args));
stress_set_proc_state(args->name, STRESS_STATE_DEINIT);
return EXIT_SUCCESS;
}
stressor_info_t stress_crypt_info = {
.stressor = stress_crypt,
.class = CLASS_CPU,
.verify = VERIFY_ALWAYS,
.help = help
};
#else
stressor_info_t stress_crypt_info = {
.stressor = stress_not_implemented,
.class = CLASS_CPU,
.help = help
};
#endif
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