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https://github.com/VectorCamp/vectorscan.git
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85 lines
2.6 KiB
C++
85 lines
2.6 KiB
C++
/*
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* Copyright (c) 2015-2016, Intel Corporation
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* * Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of Intel Corporation nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef NFA_KIND_H
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#define NFA_KIND_H
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#include "ue2common.h"
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namespace ue2 {
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/** \brief Specify the use-case for an nfa engine. */
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enum nfa_kind {
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NFA_PREFIX, //!< rose prefix
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NFA_INFIX, //!< rose infix
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NFA_SUFFIX, //!< rose suffix
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NFA_OUTFIX, //!< "outfix" nfa not triggered by external events
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NFA_OUTFIX_RAW, //!< "outfix", but with unmanaged reports
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NFA_REV_PREFIX, //! reverse running prefixes (for som)
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};
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inline
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bool is_triggered(enum nfa_kind k) {
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switch (k) {
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case NFA_INFIX:
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case NFA_SUFFIX:
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case NFA_REV_PREFIX:
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return true;
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default:
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return false;
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}
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}
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inline
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bool generates_callbacks(enum nfa_kind k) {
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switch (k) {
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case NFA_SUFFIX:
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case NFA_OUTFIX:
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case NFA_OUTFIX_RAW:
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case NFA_REV_PREFIX:
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return true;
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default:
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return false;
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}
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}
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inline
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bool has_managed_reports(enum nfa_kind k) {
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switch (k) {
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case NFA_SUFFIX:
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case NFA_OUTFIX:
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return true;
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default:
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return false;
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}
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}
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} // namespace ue2
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#endif
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