suricata
datasets-ipv4.c
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/* Copyright (C) 2022 Open Information Security Foundation
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*
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* You can copy, redistribute or modify this Program under the terms of
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* the GNU General Public License version 2 as published by the Free
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* Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* version 2 along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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* 02110-1301, USA.
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*/
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/**
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* \file
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*
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* \author Eric Leblond <el@stamus-networks.com>
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*/
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#include "
suricata-common.h
"
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#include "
conf.h
"
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#include "
datasets.h
"
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#include "
datasets-ipv4.h
"
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#include "
util-thash.h
"
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#include "
util-print.h
"
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int
IPv4Set
(
void
*
dst
,
void
*
src
)
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{
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IPv4Type
*src_s =
src
;
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IPv4Type
*dst_s =
dst
;
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memcpy(dst_s->
ipv4
, src_s->
ipv4
,
sizeof
(dst_s->
ipv4
));
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dst_s->
rep
= src_s->
rep
;
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return
0;
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}
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bool
IPv4Compare
(
void
*a,
void
*b)
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{
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const
IPv4Type
*as = a;
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const
IPv4Type
*bs = b;
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return
(memcmp(as->
ipv4
, bs->
ipv4
,
sizeof
(as->
ipv4
)) == 0);
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}
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uint32_t
IPv4Hash
(
void
*s)
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{
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const
IPv4Type
*
str
= s;
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uint32_t hash = 5381;
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for
(
int
i = 0; i < (int)
sizeof
(
str
->ipv4); i++) {
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hash = ((hash << 5) + hash) +
str
->ipv4[i];
/* hash * 33 + c */
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}
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return
hash;
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}
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// data stays in hash
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void
IPv4Free
(
void
*s)
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{
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}
datasets.h
util-print.h
datasets-ipv4.h
IPv4Set
int IPv4Set(void *dst, void *src)
Definition:
datasets-ipv4.c:31
conf.h
IPv4Free
void IPv4Free(void *s)
Definition:
datasets-ipv4.c:60
IPv4Hash
uint32_t IPv4Hash(void *s)
Definition:
datasets-ipv4.c:48
suricata-common.h
IPv4Type
Definition:
datasets-ipv4.h:29
IPv4Compare
bool IPv4Compare(void *a, void *b)
Definition:
datasets-ipv4.c:40
str
#define str(s)
Definition:
suricata-common.h:286
src
uint16_t src
Definition:
app-layer-dnp3.h:5
IPv4Type::ipv4
uint8_t ipv4[4]
Definition:
datasets-ipv4.h:30
IPv4Type::rep
DataRepType rep
Definition:
datasets-ipv4.h:31
dst
uint16_t dst
Definition:
app-layer-dnp3.h:4
util-thash.h
src
datasets-ipv4.c
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