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59 lines
1.8 KiB
C
59 lines
1.8 KiB
C
/* Copyright (C) 2007-2010 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 Victor Julien <victor@inliniac.net>
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*
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* Implements recursive keyword support
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*
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* Used to capture variables recursively in a payload,
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* used for example to extract http_uri for uricontent.
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*
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* Note: non Snort compatible.
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*/
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#include "suricata-common.h"
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#include "decode.h"
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#include "detect.h"
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#include "flow-var.h"
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static int DetectRecursiveSetup (DetectEngineCtx *, Signature *, char *);
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void DetectRecursiveRegister (void) {
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sigmatch_table[DETECT_RECURSIVE].name = "recursive";
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sigmatch_table[DETECT_RECURSIVE].Match = NULL;
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sigmatch_table[DETECT_RECURSIVE].Setup = DetectRecursiveSetup;
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sigmatch_table[DETECT_RECURSIVE].Free = NULL;
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sigmatch_table[DETECT_RECURSIVE].RegisterTests = NULL;
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sigmatch_table[DETECT_RECURSIVE].flags |= SIGMATCH_NOOPT;
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}
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static int DetectRecursiveSetup (DetectEngineCtx *de_ctx, Signature *s, char *nullstr)
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{
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if (nullstr != NULL) {
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printf("DetectRecursiveSetup: recursive has no value\n");
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return -1;
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}
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s->flags |= SIG_FLAG_RECURSIVE;
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return 0;
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}
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