suricata
datasets-ipv6.c
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1 /* Copyright (C) 2022 Open Information Security Foundation
2  *
3  * You can copy, redistribute or modify this Program under the terms of
4  * the GNU General Public License version 2 as published by the Free
5  * Software Foundation.
6  *
7  * This program is distributed in the hope that it will be useful,
8  * but WITHOUT ANY WARRANTY; without even the implied warranty of
9  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
10  * GNU General Public License for more details.
11  *
12  * You should have received a copy of the GNU General Public License
13  * version 2 along with this program; if not, write to the Free Software
14  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
15  * 02110-1301, USA.
16  */
17 
18 /**
19  * \file
20  *
21  * \author Eric Leblond <el@stamus-networks.com>
22  */
23 
24 #include "suricata-common.h"
25 #include "conf.h"
26 #include "datasets.h"
27 #include "datasets-context-json.h"
28 #include "datasets-ipv6.h"
29 #include "util-hash-lookup3.h"
30 #include "util-thash.h"
31 #include "util-print.h"
32 
33 int IPv6Set(void *dst, void *src)
34 {
35  IPv6Type *src_s = src;
36  IPv6Type *dst_s = dst;
37  memcpy(dst_s->ipv6, src_s->ipv6, sizeof(dst_s->ipv6));
38  dst_s->rep = src_s->rep;
39  return 0;
40 }
41 
42 int IPv6JsonSet(void *dst, void *src)
43 {
44  if (IPv6Set(dst, src) < 0)
45  return -1;
46 
47  IPv6Type *src_s = src;
48  IPv6Type *dst_s = dst;
49 
50  if (DatajsonCopyJson(&dst_s->json, &src_s->json) < 0)
51  return -1;
52 
53  return 0;
54 }
55 
56 bool IPv6Compare(void *a, void *b)
57 {
58  const IPv6Type *as = a;
59  const IPv6Type *bs = b;
60 
61  return (memcmp(as->ipv6, bs->ipv6, sizeof(as->ipv6)) == 0);
62 }
63 
64 uint32_t IPv6Hash(uint32_t hash_seed, void *s)
65 {
66  const IPv6Type *str = s;
67  return hashword((uint32_t *)str->ipv6, 4, hash_seed);
68 }
69 
70 // data stays in hash
71 void IPv6Free(void *s)
72 {
73 }
74 
75 void IPv6JsonFree(void *s)
76 {
77  const IPv6Type *as = s;
78  if (as->json.value) {
79  SCFree(as->json.value);
80  }
81 }
82 
83 uint32_t IPv6JsonGetLength(void *s)
84 {
85  const IPv6Type *as = s;
86  return as->json.len;
87 }
DataJsonType::len
uint16_t len
Definition: datasets-context-json.h:34
hashword
uint32_t hashword(const uint32_t *k, size_t length, uint32_t initval)
Definition: util-hash-lookup3.c:172
IPv6Compare
bool IPv6Compare(void *a, void *b)
Definition: datasets-ipv6.c:56
datasets.h
IPv6Set
int IPv6Set(void *dst, void *src)
Definition: datasets-ipv6.c:33
datasets-ipv6.h
IPv6Type::ipv6
uint8_t ipv6[16]
Definition: datasets-ipv6.h:31
IPv6Type::rep
DataRepType rep
Definition: datasets-ipv6.h:33
util-print.h
IPv6JsonGetLength
uint32_t IPv6JsonGetLength(void *s)
Definition: datasets-ipv6.c:83
conf.h
IPv6Type
Definition: datasets-ipv6.h:30
IPv6JsonFree
void IPv6JsonFree(void *s)
Definition: datasets-ipv6.c:75
suricata-common.h
datasets-context-json.h
util-hash-lookup3.h
DatajsonCopyJson
int DatajsonCopyJson(DataJsonType *dst, DataJsonType *src)
Definition: datasets-context-json.c:54
IPv6Hash
uint32_t IPv6Hash(uint32_t hash_seed, void *s)
Definition: datasets-ipv6.c:64
str
#define str(s)
Definition: suricata-common.h:308
SCFree
#define SCFree(p)
Definition: util-mem.h:61
src
uint16_t src
Definition: app-layer-dnp3.h:5
DataJsonType::value
char * value
Definition: datasets-context-json.h:33
IPv6JsonSet
int IPv6JsonSet(void *dst, void *src)
Definition: datasets-ipv6.c:42
IPv6Free
void IPv6Free(void *s)
Definition: datasets-ipv6.c:71
IPv6Type::json
DataJsonType json
Definition: datasets-ipv6.h:34
dst
uint16_t dst
Definition: app-layer-dnp3.h:4
util-thash.h