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Very first commit: libmodsecurity

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Check the README.md file for further information about the libmodsecurity.
This commit is contained in:
Felipe Zimmerle
2015-06-26 14:35:15 -03:00
parent 33cbe0452a
commit 95cb4c56ab
153 changed files with 12862 additions and 0 deletions
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240
src/parser/seclang-parser.yy Normal file
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%skeleton "lalr1.cc" /* -*- C++ -*- */
%require "3.0.4"
%defines
%define parser_class_name {seclang_parser}
%define api.token.constructor
%define api.value.type variant
%define parse.assert
%code requires
{
# include <string>
class Driver;
#include "actions/action.h"
#include "actions/transformations/transformation.h"
#include "operators/operator.h"
#include "rule.h"
using ModSecurity::actions::Action;
using ModSecurity::actions::transformations::Transformation;
using ModSecurity::operators::Operator;
using ModSecurity::Variable;
using ModSecurity::Rule;
}
// The parsing context.
%param { Driver& driver }
%locations
%initial-action
{
// Initialize the initial location.
@$.begin.filename = @$.end.filename = &driver.file;
};
%define parse.trace
%define parse.error verbose
%code
{
#include "parser/driver.h"
}
%define api.token.prefix {TOK_}
%token
END 0 "end of file"
CONFIG_DIR_VAL "+"
COMMA "*"
QUOTATION_MARK ")"
SPACE
PIPE
NEW_LINE
UNKNOWN
FREE_TEXT
;
%left ARGS CONFIG_VALUE_ON CONFIG_VALUE_OFF CONFIG_VALUE
%token <std::string> DIRECTIVE
%token <std::string> CONFIG_DIRECTIVE
%token <std::string> CONFIG_DIR_RULE_ENG
%token <std::string> CONFIG_DIR_REQ_BODY
%token <std::string> CONFIG_DIR_RES_BODY
%token <std::string> CONFIG_DIR_AUDIT_ENG
%token <std::string> CONFIG_DIR_AUDIT_TPE
%token <std::string> CONFIG_VALUE
%token <std::string> CONFIG_VALUE_ON
%token <std::string> CONFIG_VALUE_OFF
%token <std::string> CONFIG_VALUE_DETC
%token <std::string> CONFIG_VALUE_SERIAL
%token <std::string> CONFIG_VALUE_PARALLEL
%token <std::string> CONFIG_DIR_AUDIT_LOG
%token <std::string> CONFIG_DIR_AUDIT_LOG_P
%token <std::string> CONFIG_DIR_DEBUG_LOG
%token <std::string> CONFIG_DIR_DEBUG_LVL
%token <std::string> OPERATOR
%token <std::string> ACTION
%token <std::string> VARIABLE
%token <std::string> TRANSFORMATION
%type <std::vector<Action *> *> actions
%type <std::vector<Variable> *> variables
%printer { yyoutput << $$; } <*>;
%%
%start secrule;
secrule:
| secrule line
line:
expression NEW_LINE
| SPACE expression NEW_LINE
| NEW_LINE
| SPACE NEW_LINE
| SPACE
expression:
DIRECTIVE SPACE variables SPACE OPERATOR SPACE QUOTATION_MARK actions QUOTATION_MARK
{
Rule *rule = new Rule(
/* op */ Operator::instantiate($5),
/* variables */ $3,
/* actions */ $8
);
driver.addSecRule(rule);
}
| CONFIG_DIR_RULE_ENG SPACE CONFIG_VALUE_OFF
{
driver.sec_rule_engine = 0;
}
| CONFIG_DIR_RULE_ENG SPACE CONFIG_VALUE_ON
{
driver.sec_rule_engine = 1;
}
| CONFIG_DIR_RULE_ENG SPACE CONFIG_VALUE_DETC
{
driver.sec_rule_engine = 2;
}
| CONFIG_DIR_REQ_BODY SPACE CONFIG_VALUE_ON
{
driver.sec_request_body_access = true;
}
| CONFIG_DIR_REQ_BODY SPACE CONFIG_VALUE_OFF
{
driver.sec_request_body_access = false;
}
| CONFIG_DIR_RES_BODY SPACE CONFIG_VALUE_ON
{
driver.sec_request_body_access = true;
}
| CONFIG_DIR_RES_BODY SPACE CONFIG_VALUE_OFF
{
driver.sec_request_body_access = false;
}
| CONFIG_DIR_AUDIT_ENG SPACE CONFIG_VALUE_ON
{
driver.sec_audit_engine = true;
}
| CONFIG_DIR_AUDIT_ENG SPACE CONFIG_VALUE_OFF
{
driver.sec_audit_engine = false;
}
| CONFIG_DIR_AUDIT_TPE SPACE CONFIG_VALUE_SERIAL
{
driver.sec_audit_type = 0;
}
| CONFIG_DIR_AUDIT_TPE SPACE CONFIG_VALUE_PARALLEL
{
driver.sec_audit_type = 1;
}
| CONFIG_DIR_AUDIT_LOG
{
driver.audit_log_path = $1;
}
| CONFIG_DIR_AUDIT_LOG_P
{
driver.audit_log_parts = $1;
}
| CONFIG_DIR_DEBUG_LVL
{
driver.debug_level = atoi($1.c_str());
}
| CONFIG_DIR_DEBUG_LOG
{
driver.debug_log_path = $1;
}
variables:
variables PIPE VARIABLE
{
std::vector<Variable> *v = $1;
v->push_back(Variable($3));
$$ = $1;
}
| VARIABLE
{
std::vector<Variable> *variables = new std::vector<Variable>;
variables->push_back(Variable($1));
$$ = variables;
}
actions:
actions COMMA SPACE ACTION
{
std::vector<Action *> *a = $1;
a->push_back(Action::instantiate($4));
$$ = $1;
}
| actions COMMA ACTION
{
std::vector<Action *> *a = $1;
a->push_back(Action::instantiate($3));
$$ = $1;
}
| SPACE ACTION
{
std::vector<Action *> *actions = new std::vector<Action *>;
actions->push_back(Action::instantiate($2));
$$ = actions;
}
| ACTION
{
std::vector<Action *> *actions = new std::vector<Action *>;
actions->push_back(Action::instantiate($1));
$$ = actions;
}
| actions COMMA SPACE TRANSFORMATION
{
std::vector<Action *> *a = $1;
a->push_back(Transformation::instantiate($4));
$$ = $1;
}
| actions COMMA TRANSFORMATION
{
std::vector<Action *> *a = $1;
a->push_back(Transformation::instantiate($3));
$$ = $1;
}
| SPACE TRANSFORMATION
{
std::vector<Action *> *actions = new std::vector<Action *>;
actions->push_back(Transformation::instantiate($2));
$$ = actions;
}
| TRANSFORMATION
{
std::vector<Action *> *actions = new std::vector<Action *>;
actions->push_back(Transformation::instantiate($1));
$$ = actions;
}
%%
void
yy::seclang_parser::error (const location_type& l,
const std::string& m)
{
driver.error (l, m);
}