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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 17:39:49 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 17:39:49 +0000 |
commit | a0aa2307322cd47bbf416810ac0292925e03be87 (patch) | |
tree | 37076262a026c4b48c8a0e84f44ff9187556ca35 /src/detect-flowint.h | |
parent | Initial commit. (diff) | |
download | suricata-a0aa2307322cd47bbf416810ac0292925e03be87.tar.xz suricata-a0aa2307322cd47bbf416810ac0292925e03be87.zip |
Adding upstream version 1:7.0.3.upstream/1%7.0.3
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | src/detect-flowint.h | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/src/detect-flowint.h b/src/detect-flowint.h new file mode 100644 index 0000000..6ffa1f0 --- /dev/null +++ b/src/detect-flowint.h @@ -0,0 +1,85 @@ +/* Copyright (C) 2007-2014 Open Information Security Foundation + * + * You can copy, redistribute or modify this Program under the terms of + * the GNU General Public License version 2 as published by the Free + * Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * version 2 along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA + * 02110-1301, USA. + */ + +/** + * \file + * + * \author Pablo Rincon <pablo.rincon.crespo@gmail.com> + */ + +#ifndef __DETECT_FLOWINT_H__ +#define __DETECT_FLOWINT_H__ + +/** Flowint operations allowed */ +enum { + /** Changing integer values */ + FLOWINT_MODIFIER_SET, + FLOWINT_MODIFIER_ADD, + FLOWINT_MODIFIER_SUB, + + /** Comparing integer values */ + FLOWINT_MODIFIER_LT, + FLOWINT_MODIFIER_LE, + FLOWINT_MODIFIER_EQ, + FLOWINT_MODIFIER_NE, + FLOWINT_MODIFIER_GE, + FLOWINT_MODIFIER_GT, + /** Checking if a var is set (keyword isset/notset)*/ + FLOWINT_MODIFIER_ISSET, + FLOWINT_MODIFIER_NOTSET, + + FLOWINT_MODIFIER_UNKNOWN +}; + +/** The target can be a value, or another variable already declared */ +enum { + FLOWINT_TARGET_VAL, + FLOWINT_TARGET_VAR, + FLOWINT_TARGET_SELF, +}; + +/** If the target is another var, get the name and the idx */ +typedef struct TargetVar_ { + char *name; +} TargetVar; + +/** Context data for flowint vars */ +typedef struct DetectFlowintData_ { + /* This is the main var we are going to use + * against the target */ + char *name; + /* Internal id of the var */ + uint32_t idx; + + /* The modifier/operation/condition we are + * going to execute */ + uint8_t modifier; + uint8_t targettype; + + union { + /* the target value */ + uint32_t value; + /* or the target var */ + TargetVar tvar; + } target; +} DetectFlowintData; + +/* prototypes */ +void DetectFlowintRegister (void); + +#endif /* __DETECT_FLOWINT_H__ */ + |