Adds support for Log and Rev actions

This commit is contained in:
Felipe Zimmerle 2015-08-07 02:29:24 -03:00
parent ad9393a8c2
commit c06179f18e
8 changed files with 196 additions and 1 deletions

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@ -60,6 +60,7 @@ ACTIONS = \
actions/no_audit_log.cc \
actions/phase.cc \
actions/redirect.cc \
actions/rev.cc \
actions/rule_id.cc \
actions/severity.cc \
actions/set_var.cc \

34
src/actions/log.cc Normal file
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@ -0,0 +1,34 @@
/*
* 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.
*
*/
#include "actions/log.h"
#include <iostream>
#include <string>
#include "modsecurity/assay.h"
namespace ModSecurity {
namespace actions {
bool Log::evaluate(Rule *rule, Assay *assay) {
assay->save_in_auditlog = true;
/* FIXME: assay->serverLog("Something...."); */
assay->debug(9, "Saving transaction to logs");
return true;
}
} // namespace actions
} // namespace ModSecurity

42
src/actions/log.h Normal file
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@ -0,0 +1,42 @@
/*
* 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.
*
*/
#include <string>
#include "actions/action.h"
#ifndef SRC_ACTIONS_LOG_H_
#define SRC_ACTIONS_LOG_H_
class Assay;
namespace ModSecurity {
class Assay;
namespace actions {
class Log : public Action {
public:
explicit Log(std::string action)
: Action(action, RunTimeOnlyIfMatchKind) { }
bool evaluate(Rule *rule, Assay *assay) override;
};
} // namespace actions
} // namespace ModSecurity
#endif // SRC_ACTIONS_LOG_H_

44
src/actions/rev.cc Normal file
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@ -0,0 +1,44 @@
/*
* 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.
*
*/
#include "actions/rev.h"
#include <iostream>
#include <string>
#include "actions/action.h"
#include "modsecurity/assay.h"
#include "src/utils.h"
#include "src/rule.h"
#include "src/macro_expansion.h"
namespace ModSecurity {
namespace actions {
Rev::Rev(std::string action)
: Action(action, ConfigurationKind),
m_rev(action) {
m_rev.erase(0, 1);
m_rev.pop_back();
}
bool Rev::evaluate(Rule *rule, Assay *assay) {
rule->rev = m_rev;
return true;
}
} // namespace actions
} // namespace ModSecurity

44
src/actions/rev.h Normal file
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@ -0,0 +1,44 @@
/*
* 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.
*
*/
#include <string>
#include "actions/action.h"
#ifndef SRC_ACTIONS_REV_H_
#define SRC_ACTIONS_REV_H_
class Assay;
namespace ModSecurity {
class Assay;
namespace actions {
class Rev : public Action {
public:
explicit Rev(std::string action);
bool evaluate(Rule *rule, Assay *assay) override;
private:
std::string m_rev;
};
} // namespace actions
} // namespace ModSecurity
#endif // SRC_ACTIONS_REV_H_

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@ -19,6 +19,7 @@ class Driver;
#include "actions/action.h"
#include "actions/set_var.h"
#include "actions/msg.h"
#include "actions/rev.h"
#include "actions/tag.h"
#include "actions/transformations/transformation.h"
#include "operators/operator.h"
@ -45,6 +46,7 @@ class Driver;
using ModSecurity::actions::Action;
using ModSecurity::actions::SetVar;
using ModSecurity::actions::Tag;
using ModSecurity::actions::Rev;
using ModSecurity::actions::Msg;
using ModSecurity::actions::transformations::Transformation;
using ModSecurity::operators::Operator;
@ -192,6 +194,7 @@ using ModSecurity::Variables::Variable;
%token <std::string> ACTION_SETVAR
%token <std::string> ACTION_MSG
%token <std::string> ACTION_TAG
%token <std::string> ACTION_REV
%token <std::string> TRANSFORMATION
%token <double> CONFIG_VALUE_NUMBER
@ -693,6 +696,28 @@ actions:
actions->push_back(tag);
$$ = actions;
}
| actions COMMA ACTION_REV
{
std::vector<Action *> *a = $1;
Rev *rev = new Rev($3);
a->push_back(rev);
$$ = $1;
}
| SPACE ACTION_REV
{
std::vector<Action *> *actions = new std::vector<Action *>;
Rev *rev = new Rev($2);
actions->push_back(rev);
$$ = actions;
}
| ACTION_REV
{
std::vector<Action *> *actions = new std::vector<Action *>;
Rev *rev = new Rev($1);
actions->push_back(rev);
$$ = actions;
}
%%
void

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@ -23,11 +23,12 @@ using ModSecurity::split;
%}
%option noyywrap nounput batch debug noinput
ACTION (?i:accuracy|allow|append|auditlog|block|capture|chain|ctl|deny|deprecatevar|drop|exec|expirevar|id:[0-9]+|id:'[0-9]+'|initcol|log|logdata|maturity|multiMatch|noauditlog|nolog|pass|pause|phase:[0-9]+|prepend|proxy|redirect:[A-Z0-9_\|\&\:\/\/\.]+|rev|sanitiseArg|sanitiseMatched|sanitiseMatchedBytes|sanitiseRequestHeader|sanitiseResponseHeader|setuid|setrsc|setsid|setenv|skip|skipAfter|status:[0-9]+|ver|xmlns)
ACTION (?i:accuracy|allow|append|auditlog|block|capture|chain|ctl|deny|deprecatevar|drop|exec|expirevar|id:[0-9]+|id:'[0-9]+'|initcol|log|logdata|maturity|multiMatch|noauditlog|nolog|pass|pause|phase:[0-9]+|prepend|proxy|redirect:[A-Z0-9_\|\&\:\/\/\.]+|sanitiseArg|sanitiseMatched|sanitiseMatchedBytes|sanitiseRequestHeader|sanitiseResponseHeader|setuid|setrsc|setsid|setenv|skip|skipAfter|status:[0-9]+|ver|xmlns)
ACTION_SEVERITY (?i:severity:[0-9]+|severity:'[0-9]+'|severity:(EMERGENCY|ALERT|CRITICAL|ERROR|WARNING|NOTICE|INFO|DEBUG)|severity:'(EMERGENCY|ALERT|CRITICAL|ERROR|WARNING|NOTICE|INFO|DEBUG)')
ACTION_SETVAR (?i:setvar)
ACTION_MSG (?i:msg)
ACTION_TAG (?i:tag)
ACTION_REV (?i:rev)
DIRECTIVE SecRule
CONFIG_DIRECTIVE SecRequestBodyNoFilesLimit|SecRequestBodyInMemoryLimit|SecPcreMatchLimitRecursion|SecPcreMatchLimit|SecResponseBodyMimeType|SecTmpDir|SecDataDir|SecArgumentSeparator|SecCookieFormat|SecStatusEngine
@ -202,6 +203,7 @@ FREE_TEXT_NEW_LINE [^\"|\n]+
}
{ACTION_MSG}:'{FREE_TEXT}' { return yy::seclang_parser::make_ACTION_MSG(strchr(yytext, ':') + 1, *driver.loc.back()); }
{ACTION_TAG}:'{FREE_TEXT}' { return yy::seclang_parser::make_ACTION_TAG(strchr(yytext, ':') + 1, *driver.loc.back()); }
{ACTION_REV}:'{FREE_TEXT}' { return yy::seclang_parser::make_ACTION_REV(strchr(yytext, ':') + 1, *driver.loc.back()); }
["] { return yy::seclang_parser::make_QUOTATION_MARK(*driver.loc.back()); }
[,] { return yy::seclang_parser::make_COMMA(*driver.loc.back()); }

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@ -16,6 +16,7 @@
#ifdef __cplusplus
#include <stack>
#include <vector>
#include <string>
#endif
#ifndef SRC_RULE_H_
@ -60,6 +61,8 @@ class Rule {
this->m_referenceCount++;
}
std::string rev;
private:
int m_referenceCount;
};