1 /* Copyright (C) 2007-2010 Open Information Security Foundation 2 * 3 * You can copy, redistribute or modify this Program under the terms of 4 * the GNU General Public License version 2 as published by the Free 5 * Software Foundation. 6 * 7 * This program is distributed in the hope that it will be useful, 8 * but WITHOUT ANY WARRANTY; without even the implied warranty of 9 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 10 * GNU General Public License for more details. 11 * 12 * You should have received a copy of the GNU General Public License 13 * version 2 along with this program; if not, write to the Free Software 14 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 15 * 02110-1301, USA. 16 */ 17 18 /** 19 * \file 20 * 21 * \author Victor Julien <victor@inliniac.net> 22 */ 23 24 #ifndef __DETECT_FLOW_H__ 25 #define __DETECT_FLOW_H__ 26 27 #define DETECT_FLOW_FLAG_TOSERVER BIT_U16(0) 28 #define DETECT_FLOW_FLAG_TOCLIENT BIT_U16(1) 29 #define DETECT_FLOW_FLAG_ESTABLISHED BIT_U16(2) 30 #define DETECT_FLOW_FLAG_NOT_ESTABLISHED BIT_U16(3) 31 #define DETECT_FLOW_FLAG_STATELESS BIT_U16(4) 32 #define DETECT_FLOW_FLAG_ONLYSTREAM BIT_U16(5) 33 #define DETECT_FLOW_FLAG_NOSTREAM BIT_U16(6) 34 #define DETECT_FLOW_FLAG_NO_FRAG BIT_U16(7) 35 #define DETECT_FLOW_FLAG_ONLY_FRAG BIT_U16(8) 36 37 typedef struct DetectFlowData_ { 38 uint16_t flags; /* flags to match */ 39 uint8_t match_cnt; /* number of matches we need */ 40 } DetectFlowData; 41 42 int DetectFlowSetupImplicit(Signature *s, uint32_t flags); 43 44 /* prototypes */ 45 void DetectFlowRegister (void); 46 47 #endif /* __DETECT_FLOW_H__ */ 48 49