blob: 300a44551bdf77c4ff3f132d77c92bbacfcbf49a (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
|
/* Copyright (C) 2007-2010 Open Information Security Foundation
*
* You can copy, redistribute or modify this Program under the terms of
* the GNU General Public License version 2 as published by the Free
* Software Foundation.
*
* 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
* version 2 along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301, USA.
*/
/**
* \file
*
* \author Victor Julien <victor@inliniac.net>
*
* CIDR utility functions
*/
#include "suricata-common.h"
static uint32_t cidrs[33];
void CIDRInit(void)
{
int i = 0;
/* skip 0 as it will result in 0xffffffff */
cidrs[0] = 0;
for (i = 1; i < 33; i++) {
cidrs[i] = htonl(0xFFFFFFFF << (32 - i));
//printf("CIDRInit: cidrs[%02d] = 0x%08X\n", i, cidrs[i]);
}
}
uint32_t CIDRGet(int cidr)
{
if (cidr < 0 || cidr > 32)
return 0;
return cidrs[cidr];
}
|
