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81 lines
2.6 KiB
C
81 lines
2.6 KiB
C
/* Copyright (C) 2020-2022 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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*
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* \author Frank Honza <frank.honza@dcso.de>
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*/
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#include "suricata-common.h"
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#include "conf.h"
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#include "detect.h"
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#include "detect-parse.h"
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#include "detect-engine.h"
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#include "detect-engine-prefilter.h"
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#include "detect-engine-content-inspection.h"
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#include "detect-engine-mpm.h"
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#include "detect-ike-vendor.h"
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#include "app-layer-parser.h"
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#include "util-byte.h"
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#include "rust-bindings.h"
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#include "util-profiling.h"
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static int DetectIkeVendorSetup(DetectEngineCtx *, Signature *, const char *);
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static int g_ike_vendor_buffer_id = 0;
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/**
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* \brief Registration function for ike.vendor keyword.
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*/
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void DetectIkeVendorRegister(void)
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{
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sigmatch_table[DETECT_IKE_VENDOR].name = "ike.vendor";
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sigmatch_table[DETECT_IKE_VENDOR].desc = "match IKE Vendor";
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sigmatch_table[DETECT_IKE_VENDOR].url = "/rules/ike-keywords.html#ike-vendor";
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sigmatch_table[DETECT_IKE_VENDOR].Setup = DetectIkeVendorSetup;
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sigmatch_table[DETECT_IKE_VENDOR].flags |= SIGMATCH_NOOPT;
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sigmatch_table[DETECT_IKE_VENDOR].flags |= SIGMATCH_INFO_STICKY_BUFFER;
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DetectAppLayerMultiRegister(
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"ike.vendor", ALPROTO_IKE, SIG_FLAG_TOSERVER, 1, rs_ike_tx_get_vendor, 1, 1);
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g_ike_vendor_buffer_id = DetectBufferTypeGetByName("ike.vendor");
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DetectBufferTypeSupportsMultiInstance("ike.vendor");
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}
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/**
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* \brief setup the sticky buffer keyword used in the rule
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*
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* \param de_ctx Pointer to the Detection Engine Context
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* \param s Pointer to the Signature to which the current keyword belongs
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* \param str Should hold an empty string always
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*
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* \retval 0 On success
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* \retval -1 On failure
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*/
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static int DetectIkeVendorSetup(DetectEngineCtx *de_ctx, Signature *s, const char *str)
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{
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if (DetectBufferSetActiveList(de_ctx, s, g_ike_vendor_buffer_id) < 0)
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return -1;
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if (DetectSignatureSetAppProto(s, ALPROTO_IKE) < 0)
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return -1;
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return 0;
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}
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