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Refactoring: Splits Rule into Rule and RuleWithActions

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This commit is contained in:
Felipe Zimmerle
2019-02-19 10:15:01 -03:00
parent 43f8aee6b6
commit 8eb7b8fe6c
93 changed files with 360 additions and 382 deletions
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130
headers/modsecurity/rule.h
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@@ -60,6 +60,8 @@ using TransformationResults = std::list<TransformationResult>;
using Transformation = actions::transformations::Transformation;
using Transformations = std::vector<Transformation *>;
using Actions = std::vector<actions::Action *>;
using Tags = std::vector<actions::Tag *>;
using SetVars = std::vector<actions::SetVar *>;
using MatchActions = std::vector<actions::Action *>;
@@ -137,49 +139,21 @@ class RuleMarker : public RuleBase {
};
class Rule : public RuleBase {
class RuleWithActions : public RuleBase {
public:
Rule(operators::Operator *op,
variables::Variables *variables,
std::vector<actions::Action *> *actions,
Transformations *transformations,
std::unique_ptr<std::string> fileName,
int lineNumber);
explicit Rule(const std::string &marker,
std::unique_ptr<std::string> fileName,
int lineNumber);
virtual ~Rule();
RuleWithActions(
Actions *a,
Transformations *t,
std::unique_ptr<std::string> fileName,
int lineNumber);
virtual bool evaluate(Transaction *transaction,
std::shared_ptr<RuleMessage> rm) override;
~RuleWithActions();
void organizeActions(std::vector<actions::Action *> *actions);
void cleanUpActions();
void executeAction(Transaction *trans,
bool containsBlock, std::shared_ptr<RuleMessage> ruleMessage,
actions::Action *a, bool context);
void getVariablesExceptions(Transaction *t,
variables::Variables *exclusion, variables::Variables *addition);
inline void getFinalVars(variables::Variables *vars,
variables::Variables *eclusion, Transaction *trans);
void executeActionsAfterFullMatch(Transaction *trasn,
bool containsDisruptive, std::shared_ptr<RuleMessage> ruleMessage);
bool executeOperatorAt(Transaction *trasn, const std::string &key,
std::string value, std::shared_ptr<RuleMessage> rm);
void executeActionsIndependentOfChainedRuleResult(Transaction *trasn,
bool *b, std::shared_ptr<RuleMessage> ruleMessage);
static inline void updateMatchedVars(Transaction *trasn, const std::string &key,
const std::string &value);
static inline void cleanMatchedVars(Transaction *trasn);
std::vector<actions::Action *> getActionsByName(const std::string& name,
Transaction *t);
bool containsTag(const std::string& name, Transaction *t);
bool containsMsg(const std::string& name, Transaction *t);
bool containsBlock,
std::shared_ptr<RuleMessage> ruleMessage,
actions::Action *a,
bool context);
void executeTransformations(
Transaction *trasn, const std::string &value, TransformationResults &ret);
@@ -191,15 +165,22 @@ class Rule : public RuleBase {
std::string *path,
int *nth) const;
void executeActionsIndependentOfChainedRuleResult(Transaction *trasn,
bool *b, std::shared_ptr<RuleMessage> ruleMessage);
void executeActionsAfterFullMatch(Transaction *trasn,
bool containsDisruptive, std::shared_ptr<RuleMessage> ruleMessage);
inline bool isUnconditional() const { return m_operator == NULL; }
std::vector<actions::Action *> getActionsByName(const std::string& name,
Transaction *t);
bool containsTag(const std::string& name, Transaction *t);
bool containsMsg(const std::string& name, Transaction *t);
inline bool isChained() const { return m_isChained == true; }
inline bool hasCaptureAction() const { return m_containsCaptureAction == true; }
inline void setChained(bool b) { m_isChained = b; }
inline bool hasDisruptiveAction() const { return m_disruptiveAction != NULL; }
inline bool hasBlockAction() const { return m_containsStaticBlockAction == true; }
inline bool hasMultimatch() const { return m_containsMultiMatchAction == true; }
inline bool hasLogData() const { return m_logData != NULL; }
std::string logData(Transaction *t);
@@ -208,27 +189,14 @@ class Rule : public RuleBase {
inline bool hasSeverity() const { return m_severity != NULL; }
int severity() const;
std::string getOperatorName() const;
int64_t m_ruleId;
virtual std::string getReference() override {
return std::to_string(m_ruleId);
}
std::unique_ptr<Rule> m_chainedRuleChild;
Rule *m_chainedRuleParent;
std::string m_marker;
std::string m_rev;
std::string m_ver;
int m_accuracy;
int m_maturity;
private:
modsecurity::variables::Variables *m_variables;
operators::Operator *m_operator;
int64_t m_ruleId;
private:
/* actions */
actions::Action *m_disruptiveAction;
actions::LogData *m_logData;
@@ -245,11 +213,51 @@ class Rule : public RuleBase {
bool m_containsMultiMatchAction:1;
bool m_containsStaticBlockAction:1;
bool m_isChained:1;
bool m_isSecMarker:1;
};
class Rule : public RuleWithActions {
public:
Rule(operators::Operator *op,
variables::Variables *variables,
std::vector<actions::Action *> *actions,
Transformations *transformations,
std::unique_ptr<std::string> fileName,
int lineNumber);
virtual ~Rule();
bool evaluate(Transaction *transaction,
std::shared_ptr<RuleMessage> rm) override;
void getVariablesExceptions(Transaction *t,
variables::Variables *exclusion, variables::Variables *addition);
inline void getFinalVars(variables::Variables *vars,
variables::Variables *eclusion, Transaction *trans);
bool executeOperatorAt(Transaction *trasn, const std::string &key,
std::string value, std::shared_ptr<RuleMessage> rm);
static void updateMatchedVars(Transaction *trasn, const std::string &key,
const std::string &value);
static void cleanMatchedVars(Transaction *trasn);
inline bool isUnconditional() const { return m_operator == NULL; }
std::string getOperatorName() const;
virtual std::string getReference() override {
return std::to_string(m_ruleId);
}
std::unique_ptr<Rule> m_chainedRuleChild;
Rule *m_chainedRuleParent;
private:
modsecurity::variables::Variables *m_variables;
operators::Operator *m_operator;
bool m_unconditional:1;
};
} // namespace modsecurity