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/*
* version.c Validate application and library magic numbers.
*
* Version: $Id$
*
* 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 St, Fifth Floor, Boston, MA 02110-1301, USA
*
* Copyright 1999-2014 The FreeRADIUS server project
*/
RCSID("$Id$")
#include <freeradius-devel/libradius.h>
static uint64_t libmagic = RADIUSD_MAGIC_NUMBER;
/** Check if the application linking to the library has the correct magic number
*
* @param magic number as defined by RADIUSD_MAGIC_NUMBER
* @returns 0 on success, -1 on prefix mismatch, -2 on version mismatch -3 on commit mismatch.
*/
int fr_check_lib_magic(uint64_t magic)
{
if (MAGIC_PREFIX(magic) != MAGIC_PREFIX(libmagic)) {
fr_strerror_printf("Application and libfreeradius-radius magic number (prefix) mismatch."
" application: %x library: %x",
MAGIC_PREFIX(magic), MAGIC_PREFIX(libmagic));
return -1;
}
if (MAGIC_VERSION(magic) != MAGIC_VERSION(libmagic)) {
fr_strerror_printf("Application and libfreeradius-radius magic number (version) mismatch."
" application: %lx library: %lx",
(unsigned long) MAGIC_VERSION(magic), (unsigned long) MAGIC_VERSION(libmagic));
return -2;
}
if (MAGIC_COMMIT(magic) != MAGIC_COMMIT(libmagic)) {
fr_strerror_printf("Application and libfreeradius-radius magic number (commit) mismatch."
" application: %lx library: %lx",
(unsigned long) MAGIC_COMMIT(magic), (unsigned long) MAGIC_COMMIT(libmagic));
return -3;
}
return 0;
}
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