suricata
detect-file-hash-common.h
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1 /* Copyright (C) 2007-2016 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 Victor Julien <victor@inliniac.net>
22  * \author Duarte Silva <duarte.silva@serializing.me>
23  *
24  */
25 
26 #ifndef SURICATA_UTIL_DETECT_FILE_HASH_H
27 #define SURICATA_UTIL_DETECT_FILE_HASH_H
28 
29 #include "util-rohash.h"
30 
31 typedef struct DetectFileHashData_ {
33  int negated;
35 
36 /* prototypes */
37 int ReadHashString(uint8_t *, const char *, const char *, int, uint16_t);
38 int LoadHashTable(ROHashTable *, const char *, const char *, int, uint32_t);
39 
41  File *, const Signature *, const SigMatchCtx *);
42 int DetectFileHashSetup(DetectEngineCtx *, Signature *, const char *, uint16_t, int);
43 void DetectFileHashFree(DetectEngineCtx *, void *);
44 
45 #endif /* SURICATA_UTIL_DETECT_FILE_HASH_H */
ReadHashString
int ReadHashString(uint8_t *, const char *, const char *, int, uint16_t)
Read the bytes of a hash from an hexadecimal string.
Definition: detect-file-hash-common.c:47
Flow_
Flow data structure.
Definition: flow.h:351
DetectEngineCtx_
main detection engine ctx
Definition: detect.h:839
ROHashTable_
Definition: util-rohash.h:27
DetectFileHashData
struct DetectFileHashData_ DetectFileHashData
DetectFileHashData_
Definition: detect-file-hash-common.h:31
DetectFileHashData_::hash
ROHashTable * hash
Definition: detect-file-hash-common.h:32
util-rohash.h
DetectFileHashMatch
int DetectFileHashMatch(DetectEngineThreadCtx *, Flow *, uint8_t, File *, const Signature *, const SigMatchCtx *)
Match the specified file hash.
Definition: detect-file-hash-common.c:144
DetectFileHashSetup
int DetectFileHashSetup(DetectEngineCtx *, Signature *, const char *, uint16_t, int)
this function is used to parse filemd5, filesha1 and filesha256 options
Definition: detect-file-hash-common.c:318
DetectEngineThreadCtx_
Definition: detect.h:1095
LoadHashTable
int LoadHashTable(ROHashTable *, const char *, const char *, int, uint32_t)
Store a hash into the hash table.
Definition: detect-file-hash-common.c:85
SigMatchCtx_
Used to start a pointer to SigMatch context Should never be dereferenced without casting to something...
Definition: detect.h:345
File_
Definition: util-file.h:79
DetectFileHashFree
void DetectFileHashFree(DetectEngineCtx *, void *)
this function will free memory associated with DetectFileHashData
Definition: detect-file-hash-common.c:359
Signature_
Signature container.
Definition: detect.h:596
DetectFileHashData_::negated
int negated
Definition: detect-file-hash-common.h:33