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82 lines
2.1 KiB
C
82 lines
2.1 KiB
C
/* Copyright (C) 2018 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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*
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* \file
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*
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* \author Jacob Masen-Smith <jacob@evengx.com>
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*
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*/
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#ifndef SURICATA_SOURCE_WINDIVERT_H
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#define SURICATA_SOURCE_WINDIVERT_H
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#ifdef WINDIVERT
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#include "windivert.h"
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#define WINDIVERT_FILTER_MAXLEN 128 /* from windivert_device.h */
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typedef void *WinDivertHandle;
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/**
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* \brief WinDivertQueueVars is the queue configuration and other miscellaneous
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* information about the specific queue/filter.
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*
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* see https://reqrypt.org/windivert-doc.html#divert_open for more info
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*/
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typedef struct WinDivertQueueVars_
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{
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int queue_num;
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/* see https://reqrypt.org/windivert-doc.html#filter_language */
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char filter_str[WINDIVERT_FILTER_MAXLEN + 1];
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WINDIVERT_LAYER layer;
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int16_t priority;
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uint64_t flags;
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WinDivertHandle filter_handle;
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/* only needed for setup/teardown; Recv/Send are internally synchronized */
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SCMutex filter_init_mutex;
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/* counters */
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uint32_t pkts;
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uint64_t bytes;
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uint32_t errs;
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uint32_t accepted;
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uint32_t dropped;
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uint32_t replaced;
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SCMutex counters_mutex;
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} WinDivertQueueVars;
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typedef struct WinDivertPacketVars_
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{
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int thread_num;
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WINDIVERT_ADDRESS addr;
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bool verdicted;
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} WinDivertPacketVars;
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int WinDivertRegisterQueue(bool forward, char *filter_str);
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void *WinDivertGetThread(int thread);
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void *WinDivertGetQueue(int queue);
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void SourceWinDivertRegisterTests(void);
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#endif /* WINDIVERT */
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#endif /* SURICATA_SOURCE_WINDIVERT_H */ |