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55 lines
2.1 KiB
C
55 lines
2.1 KiB
C
/* Copyright (C) 2007-2022 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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* \author Anoop Saldanha <anoopsaldanha@gmail.com>
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*/
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#ifndef SURICATA_DETECT_APP_LAYER_PROTOCOL__H
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#define SURICATA_DETECT_APP_LAYER_PROTOCOL__H
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#include "app-layer-protos.h"
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void DetectAppLayerProtocolRegister(void);
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const char *DetectAppLayerProtocolModeName(uint8_t mode);
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struct DetectAppLayerProtocolData_;
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uint16_t DetectAppLayerProtocolGetValues(
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const struct DetectAppLayerProtocolData_ *data, AppProto *out, uint16_t max);
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/**
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* \brief Per-rule keyword data for `app-layer-protocol:`.
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*
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* `alprotos` is the effective match set: a bitmask (one bit per AppProto,
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* sized g_alproto_max) holding every flow protocol that should match, with the
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* AppProtoEquals() equivalences (or, with the `exact` option, only the exact
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* values) already expanded in at rule load. The per-packet match is then a
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* single bitmask test. `alproto` is the first configured value, used as the
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* prefilter bucket key for single-value (prefilterable) rules.
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*/
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typedef struct DetectAppLayerProtocolData_ {
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AppProto alproto; /**< first configured value; single-value prefilter key */
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bool negated;
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bool exact; /**< `exact` option: strict identity, no equivalences/umbrella */
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bool is_list; /**< more than one value configured (not prefilterable) */
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uint8_t mode;
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uint8_t *alprotos; /**< effective match set (g_alproto_max bits) */
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} DetectAppLayerProtocolData;
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#endif /* SURICATA_DETECT_APP_LAYER_PROTOCOL__H */
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