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42 lines
1.3 KiB
C
42 lines
1.3 KiB
C
/* Copyright (C) 2020 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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#ifndef SURICATA_DECODE_ESP_H
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#define SURICATA_DECODE_ESP_H
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/** \brief size of the ESP header */
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#define ESP_HEADER_LEN 8
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/** \brief Get the spi field off a packet */
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#define ESP_GET_SPI(esph) SCNtohl((esph)->spi)
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/** \brief Get the sequence field off a packet */
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#define ESP_GET_SEQUENCE(esph) SCNtohl((esph)->sequence)
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/** \brief ESP Header */
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typedef struct ESPHdr_ {
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uint32_t spi; /** < ESP Security Parameters Index */
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uint32_t sequence; /** < ESP sequence number */
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} __attribute__((__packed__)) ESPHdr;
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void DecodeESPRegisterTests(void);
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#endif /* SURICATA_DECODE_ESP_H */
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