mariadb/extra/mariabackup/xbcrypt_common.c
2017-04-27 19:12:39 +02:00

60 lines
1.7 KiB
C

/******************************************************
Copyright (c) 2013 Percona LLC and/or its affiliates.
Encryption configuration file interface for XtraBackup.
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 02110-1301, USA
*******************************************************/
#include <my_base.h>
#include "common.h"
#include "xbcrypt.h"
#if GCC_VERSION >= 4002
/* Workaround to avoid "gcry_ac_* is deprecated" warnings in gcrypt.h */
# pragma GCC diagnostic ignored "-Wdeprecated-declarations"
#endif
#include <gcrypt.h>
#if GCC_VERSION >= 4002
# pragma GCC diagnostic warning "-Wdeprecated-declarations"
#endif
my_bool
xb_crypt_read_key_file(const char *filename, void** key, uint *keylength)
{
FILE *fp;
if (!(fp = my_fopen(filename, O_RDONLY, MYF(0)))) {
msg("%s:%s: unable to open config file \"%s\", errno(%d)\n",
my_progname, __FUNCTION__, filename, my_errno);
return FALSE;
}
fseek(fp, 0 , SEEK_END);
*keylength = ftell(fp);
rewind(fp);
*key = my_malloc(*keylength, MYF(MY_FAE));
*keylength = fread(*key, 1, *keylength, fp);
my_fclose(fp, MYF(0));
return TRUE;
}
void
xb_crypt_create_iv(void* ivbuf, size_t ivlen)
{
gcry_create_nonce(ivbuf, ivlen);
}