2020-01-31 10:32:37 -03:00

157 lines
3.7 KiB
C++

/*
* ModSecurity, http://www.modsecurity.org/
* Copyright (c) 2015 - 2020 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.
*
*/
#ifdef __cplusplus
#include <string>
#include <iostream>
#include <memory>
#endif
#include "modsecurity/intervention.h"
#include "modsecurity/rule.h"
#ifndef HEADERS_MODSECURITY_ACTIONS_ACTION_H_
#define HEADERS_MODSECURITY_ACTIONS_ACTION_H_
#ifdef __cplusplus
namespace modsecurity {
class Transaction;
class Rule;
namespace actions {
class Action {
public:
explicit Action(const std::string& _action)
: m_isNone(false),
temporaryAction(false),
action_kind(2),
m_name(""),
m_parser_payload(""),
m_referenceCount(1) {
set_name_and_payload(_action);
}
explicit Action(const std::string& _action, int kind)
: m_isNone(false),
temporaryAction(false),
action_kind(kind),
m_name(""),
m_parser_payload(""),
m_referenceCount(1) {
set_name_and_payload(_action);
}
virtual ~Action() { }
virtual std::string evaluate(std::string exp,
Transaction *transaction);
virtual bool evaluate(Rule *rule, Transaction *transaction);
virtual bool evaluate(Rule *rule, Transaction *transaction,
std::shared_ptr<RuleMessage> ruleMessage) {
return evaluate(rule, transaction);
}
virtual bool init(std::string *error) { return true; }
virtual bool isDisruptive() { return false; }
void set_name_and_payload(const std::string& data) {
size_t pos = data.find(":");
std::string t = "t:";
if (data.compare(0, t.length(), t) == 0) {
pos = data.find(":", 2);
}
if (pos == std::string::npos) {
m_name = data;
return;
}
m_name = std::string(data, 0, pos);
m_parser_payload = std::string(data, pos + 1, data.length());
if (m_parser_payload.at(0) == '\'' && m_parser_payload.size() > 2) {
m_parser_payload.erase(0, 1);
m_parser_payload.pop_back();
}
}
int refCountDecreaseAndCheck() {
this->m_referenceCount--;
if (this->m_referenceCount == 0) {
delete this;
return 1;
}
return 0;
}
void refCountIncrease() {
this->m_referenceCount++;
}
bool m_isNone;
bool temporaryAction;
int action_kind;
std::string m_name;
std::string m_parser_payload;
/**
*
* Define the action kind regarding to the execution time.
*
*
*/
enum Kind {
/**
*
* Action that are executed while loading the configuration. For instance
* the rule ID or the rule phase.
*
*/
ConfigurationKind,
/**
*
* Those are actions that demands to be executed before call the operator.
* For instance the tranformations.
*
*
*/
RunTimeBeforeMatchAttemptKind,
/**
*
* Actions that are executed after the execution of the operator, only if
* the operator returned Match (or True). For instance the disruptive
* actions.
*
*/
RunTimeOnlyIfMatchKind,
};
private:
int m_referenceCount;
};
} // namespace actions
} // namespace modsecurity
#endif
#endif // HEADERS_MODSECURITY_ACTIONS_ACTION_H_