ModSecurity/src/operators/fuzzy_hash.h
2017-11-13 23:54:30 -03:00

62 lines
1.5 KiB
C++

/*
* ModSecurity, http://www.modsecurity.org/
* Copyright (c) 2015 Trustwave Holdings, Inc. (http://www.trustwave.com/)
*
* You may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* If any of the files related to licensing are missing or if you have any
* other questions related to licensing please contact Trustwave Holdings, Inc.
* directly using the email address security@modsecurity.org.
*
*/
#ifndef SRC_OPERATORS_FUZZY_HASH_H_
#define SRC_OPERATORS_FUZZY_HASH_H_
#include <string>
#ifdef WITH_SSDEEP
#include <fuzzy.h>
#endif
#include "src/operators/operator.h"
namespace modsecurity {
namespace operators {
struct fuzzy_hash_chunk {
char *data;
struct fuzzy_hash_chunk *next;
};
class FuzzyHash : public Operator {
public:
/** @ingroup ModSecurity_Operator */
FuzzyHash(std::string o, std::string p, bool n)
: Operator(o, p, n),
m_head(NULL),
m_threshold(0) { }
explicit FuzzyHash(std::string param)
: Operator("FuzzyHash", param),
m_head(NULL),
m_threshold(0) { }
~FuzzyHash();
bool evaluate(Transaction *transaction, const std::string &std) override;
bool init(const std::string &param, std::string *error) override;
private:
int m_threshold;
struct fuzzy_hash_chunk *m_head;
};
} // namespace operators
} // namespace modsecurity
#endif // SRC_OPERATORS_FUZZY_HASH_H_