You cannot select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
suricata/src/detect-http-header-common.h

59 lines
2.0 KiB
C

/* Copyright (C) 2007-2017 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>
*/
#ifndef __DETECT_HTTP_HEADER_COMMON_H__
#define __DETECT_HTTP_HEADER_COMMON_H__
typedef struct HttpHeaderBuffer_ {
uint8_t *buffer;
uint32_t size; /**< buffer size */
uint32_t len; /**< part of buffer in use */
} HttpHeaderBuffer;
typedef struct HttpHeaderThreadConfig_ {
uint16_t tx_step;
uint16_t size_step;
} HttpHeaderThreadDataConfig;
typedef struct HttpHeaderThreadData_ {
HttpHeaderBuffer *buffers; /**< array of buffers */
uint16_t buffers_size; /**< number of buffers */
uint16_t buffers_list_len;
uint16_t size_step; /**< increase size of HttpHeaderBuffer::buffer with this */
uint16_t tx_step; /**< increase number of txs with this */
uint64_t start_tx_id;
uint64_t tick;
} HttpHeaderThreadData;
void *HttpHeaderThreadDataInit(void *data);
void HttpHeaderThreadDataFree(void *data);
HttpHeaderBuffer *HttpHeaderGetBufferSpaceForTXID(DetectEngineThreadCtx *det_ctx,
Flow *f, uint8_t flags, uint64_t tx_id, const int keyword_id,
HttpHeaderThreadData **ret_hdr_td);
int HttpHeaderExpandBuffer(HttpHeaderThreadData *td,
HttpHeaderBuffer *buf, uint32_t size);
#endif /* __DETECT_HTTP_HEADER_COMMON_H__ */