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/* Copyright (C) 2015 MariaDB
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.
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 02111-1301 USA */
#include <my_sys.h>
#include <my_crypt.h>
#include <tap.h>
/*** tweaks and stubs for encryption code to compile ***************/
#define KEY_SIZE (128/8)
my_bool encrypt_tmp_files;
int init_io_cache_encryption();
uint encryption_key_get_latest_version_func(uint)
{
return 1;
}
uint encryption_key_id_exists_func(uint)
{
return 1;
}
uint encryption_key_version_exists_func(uint, uint)
{
return 1;
}
uint encryption_key_get_func(uint, uint, uchar* key, uint* size)
{
if (*size < KEY_SIZE)
{
*size= KEY_SIZE;
return ENCRYPTION_KEY_BUFFER_TOO_SMALL;
}
memset(key, KEY_SIZE, *size= KEY_SIZE);
return 0;
}
#ifdef HAVE_EncryptAes128Gcm
enum my_aes_mode aes_mode= MY_AES_GCM;
#else
enum my_aes_mode aes_mode= MY_AES_CBC;
#endif
int encryption_ctx_init_func(void *ctx, const unsigned char* key, unsigned int klen,
const unsigned char* iv, unsigned int ivlen,
int flags, unsigned int key_id,
unsigned int key_version)
{
return my_aes_crypt_init(ctx, aes_mode, flags, key, klen, iv, ivlen);
}
uint encryption_encrypted_length_func(unsigned int slen, unsigned int key_id, unsigned int key_version)
{
return my_aes_get_size(aes_mode, slen);
}
struct encryption_service_st encryption_handler=
{
encryption_key_get_latest_version_func,
encryption_key_get_func,
(uint (*)(unsigned int, unsigned int))my_aes_ctx_size,
encryption_ctx_init_func,
my_aes_crypt_update,
my_aes_crypt_finish,
encryption_encrypted_length_func
};
void sql_print_information(const char *format, ...)
{
}
void sql_print_error(const char *format, ...)
{
}
/*** end of encryption tweaks and stubs ****************************/
IO_CACHE info;
#define CACHE_SIZE 16384
#define INFO_TAIL ", pos_in_file = %llu, pos_in_mem = %lu", \
info.pos_in_file, (ulong) ((info.type == READ_CACHE ? info.read_pos : info.write_pos) - info.request_pos)
#define FILL 0x5A
int data_bad(const uchar *buf, size_t len)
{
const uchar *end= buf + len;
while (buf < end)
if (*buf++ != FILL)
return 1;
return 0;
}
void temp_io_cache()
{
int res;
uchar buf[CACHE_SIZE + 200];
memset(buf, FILL, sizeof(buf));
diag("temp io_cache with%s encryption", encrypt_tmp_files?"":"out");
init_io_cache_encryption();
res= open_cached_file(&info, 0, 0, CACHE_SIZE, 0);
ok(res == 0, "open_cached_file" INFO_TAIL);
res= my_b_write(&info, buf, 100);
ok(res == 0 && info.pos_in_file == 0, "small write" INFO_TAIL );
res= my_b_write(&info, buf, sizeof(buf));
ok(res == 0 && info.pos_in_file == CACHE_SIZE, "large write" INFO_TAIL);
res= reinit_io_cache(&info, WRITE_CACHE, 250, 0, 0);
ok(res == 0, "reinit with rewind" INFO_TAIL);
res= my_b_write(&info, buf, sizeof(buf));
ok(res == 0, "large write" INFO_TAIL);
res= my_b_flush_io_cache(&info, 1);
ok(res == 0, "flush" INFO_TAIL);
res= reinit_io_cache(&info, READ_CACHE, 0, 0, 0);
ok(res == 0, "reinit READ_CACHE" INFO_TAIL);
res= my_pread(info.file, buf, 50, 50, MYF(MY_NABP));
ok(res == 0 && data_bad(buf, 50) == encrypt_tmp_files,
"file must be %sreadable", encrypt_tmp_files ?"un":"");
res= my_b_read(&info, buf, 50) || data_bad(buf, 50);
ok(res == 0 && info.pos_in_file == 0, "small read" INFO_TAIL);
res= my_b_read(&info, buf, sizeof(buf)) || data_bad(buf, sizeof(buf));
ok(res == 0 && info.pos_in_file == CACHE_SIZE, "large read" INFO_TAIL);
close_cached_file(&info);
}
void mdev9044()
{
int res;
uchar buf[CACHE_SIZE + 200];
diag("MDEV-9044 Binlog corruption in Galera");
res= open_cached_file(&info, 0, 0, CACHE_SIZE, 0);
ok(res == 0, "open_cached_file" INFO_TAIL);
res= my_b_write(&info, USTRING_WITH_LEN("first write\0"));
ok(res == 0, "first write" INFO_TAIL);
res= my_b_flush_io_cache(&info, 1);
ok(res == 0, "flush" INFO_TAIL);
res= reinit_io_cache(&info, WRITE_CACHE, 0, 0, 0);
ok(res == 0, "reinit WRITE_CACHE" INFO_TAIL);
res= my_b_write(&info, USTRING_WITH_LEN("second write\0"));
ok(res == 0, "second write" INFO_TAIL );
res= reinit_io_cache(&info, READ_CACHE, 0, 0, 0);
ok(res == 0, "reinit READ_CACHE" INFO_TAIL);
res= my_b_fill(&info);
ok(res == 0, "fill" INFO_TAIL);
res= reinit_io_cache(&info, READ_CACHE, 0, 0, 0);
ok(res == 0, "reinit READ_CACHE" INFO_TAIL);
res= my_b_read(&info, buf, sizeof(buf));
ok(res == 1 && strcmp((char*)buf, "second write") == 0, "read '%s'", buf);
close_cached_file(&info);
}
int main(int argc __attribute__((unused)),char *argv[])
{
MY_INIT(argv[0]);
plan(29);
/* temp files with and without encryption */
encrypt_tmp_files= 1;
temp_io_cache();
encrypt_tmp_files= 0;
temp_io_cache();
/* regression tests */
mdev9044();
my_end(0);
return exit_status();
}
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