openssl/test/afalgtest.c
Baptiste Jonglez 3ba70235be afalg: Fix kernel version check
The check should reject kernel versions < 4.1.0, not <= 4.1.0.

The issue was spotted on OpenSUSE 42.1 Leap, since its linux/version.h
header advertises 4.1.0.

CLA: trivial
Fixes: 7f458a48 ("ALG: Add AFALG engine")
Signed-off-by: Baptiste Jonglez <git@bitsofnetworks.org>

Reviewed-by: Matt Caswell <matt@openssl.org>
Reviewed-by: Richard Levitte <levitte@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/4617)
2017-10-31 11:19:47 +01:00

120 lines
3.1 KiB
C

/*
* Copyright 2016-2017 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the OpenSSL license (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
*/
#include <stdio.h>
#include <openssl/opensslconf.h>
#include <string.h>
#include <openssl/engine.h>
#include <openssl/evp.h>
#include <openssl/rand.h>
#include "testutil.h"
/* Use a buffer size which is not aligned to block size */
#define BUFFER_SIZE (8 * 1024) - 13
#ifndef OPENSSL_NO_ENGINE
static ENGINE *e;
#endif
#ifndef OPENSSL_NO_AFALGENG
# include <linux/version.h>
# define K_MAJ 4
# define K_MIN1 1
# define K_MIN2 0
# if LINUX_VERSION_CODE < KERNEL_VERSION(K_MAJ, K_MIN1, K_MIN2)
/*
* If we get here then it looks like there is a mismatch between the linux
* headers and the actual kernel version, so we have tried to compile with
* afalg support, but then skipped it in e_afalg.c. As far as this test is
* concerned we behave as if we had been configured without support
*/
# define OPENSSL_NO_AFALGENG
# endif
#endif
#ifndef OPENSSL_NO_AFALGENG
static int test_afalg_aes_128_cbc(void)
{
EVP_CIPHER_CTX *ctx;
const EVP_CIPHER *cipher = EVP_aes_128_cbc();
unsigned char key[] = "\x5F\x4D\xCC\x3B\x5A\xA7\x65\xD6\
\x1D\x83\x27\xDE\xB8\x82\xCF\x99";
unsigned char iv[] = "\x2B\x95\x99\x0A\x91\x51\x37\x4A\
\xBD\x8F\xF8\xC5\xA7\xA0\xFE\x08";
unsigned char in[BUFFER_SIZE];
unsigned char ebuf[BUFFER_SIZE + 32];
unsigned char dbuf[BUFFER_SIZE + 32];
int encl, encf, decl, decf;
int ret = 0;
if (!TEST_ptr(ctx = EVP_CIPHER_CTX_new()))
return 0;
RAND_bytes(in, BUFFER_SIZE);
if (!TEST_true(EVP_CipherInit_ex(ctx, cipher, e, key, iv, 1))
|| !TEST_true(EVP_CipherUpdate(ctx, ebuf, &encl, in, BUFFER_SIZE))
|| !TEST_true(EVP_CipherFinal_ex(ctx, ebuf+encl, &encf)))
goto end;
encl += encf;
if (!TEST_true(EVP_CIPHER_CTX_reset(ctx))
|| !TEST_true(EVP_CipherInit_ex(ctx, cipher, e, key, iv, 0))
|| !TEST_true(EVP_CipherUpdate(ctx, dbuf, &decl, ebuf, encl))
|| !TEST_true(EVP_CipherFinal_ex(ctx, dbuf+decl, &decf)))
goto end;
decl += decf;
if (!TEST_int_eq(decl, BUFFER_SIZE)
|| !TEST_mem_eq(dbuf, BUFFER_SIZE, in, BUFFER_SIZE))
goto end;
ret = 1;
end:
EVP_CIPHER_CTX_free(ctx);
return ret;
}
#endif
#ifndef OPENSSL_NO_ENGINE
int global_init(void)
{
ENGINE_load_builtin_engines();
# ifndef OPENSSL_NO_STATIC_ENGINE
OPENSSL_init_crypto(OPENSSL_INIT_ENGINE_AFALG, NULL);
# endif
return 1;
}
#endif
int setup_tests(void)
{
#ifndef OPENSSL_NO_ENGINE
if ((e = ENGINE_by_id("afalg")) == NULL) {
/* Probably a platform env issue, not a test failure. */
TEST_info("Can't load AFALG engine");
} else {
# ifndef OPENSSL_NO_AFALGENG
ADD_TEST(test_afalg_aes_128_cbc);
# endif
}
#endif
return 1;
}
#ifndef OPENSSL_NO_ENGINE
void cleanup_tests(void)
{
ENGINE_free(e);
}
#endif