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/*
* 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.h>
#include <ctime>
#include <iostream>
#include <string>
#include <list>
#include "modsecurity/modsecurity.h"
#include "modsecurity/rules.h"
#include "src/utils/system.h"
#include "src/parser/driver.h"
#include "src/utils/https_client.h"
#include "modsecurity/rules_properties.h"
#include "modsecurity/transaction.h"
void print_help() {
std::cout << "Use ./optimization /path/to/files.something" << std::endl;
std::cout << std::endl;
std::cout << std::endl;
}
int main(int argc, char **argv) {
modsecurity::Rules *modsecRules = new modsecurity::Rules();
std::list<std::string> files;
int total = 0;
int i = 1;
while (i < argc) {
std::list<std::string> tfiles = modsecurity::utils::expandEnv(
argv[i], 0);
for (const auto &file : tfiles) {
files.insert(files.begin(), file);
}
i++;
}
for (auto &x : files) {
std::cout << "Loading file: " << x << std::endl;
if (modsecRules->loadFromUri(x.c_str()) < 0) {
std::cout << "Not able to load the rules" << std::endl;
std::cout << modsecRules->getParserError() << std::endl;
delete modsecRules;
return -1;
}
}
std::cout << std::endl;
std::cout << std::endl;
std::cout << "Rules optimization" << std::endl;
std::cout << std::endl;
int nphases = modsecurity::Phases::NUMBER_OF_PHASES;
for (int i = 0; i < nphases; i++) {
std::vector<Rule *> rules = modsecRules->m_rules[i];
if (rules.size() == 0) {
continue;
}
std::cout << "Phase: " << std::to_string(i);
std::cout << " (" << std::to_string(rules.size());
std::cout << " rules)" << std::endl;
std::unordered_map<std::string, int> operators;
std::unordered_map<std::string, int> variables;
std::unordered_map<std::string, int> op2var;
for (auto &z : rules) {
std::string key;
if (z == NULL) {
continue;
}
if (z->m_op != NULL) {
std::string op = z->m_op->m_op;
if (operators.count(op) > 0) {
operators[op] = 1 + operators[op];
} else {
operators[op] = 1;
}
key = op;
}
if (z->m_variables != NULL) {
std::string var = std::string("") + z->m_variables;
if (variables.count(var) > 0) {
variables[var] = 1 + variables[var];
} else {
variables[var] = 1;
}
key = key + var;
}
if (z->m_variables != NULL && z->m_op != NULL) {
if (op2var.count(key) > 0) {
op2var[key] = 1 + op2var[key];
} else {
op2var[key] = 1;
}
}
}
if (operators.empty() && variables.empty() && op2var.empty()) {
std::cout << " ~ no SecRule found ~ " << std::endl;
continue;
}
std::cout << " Operators" << std::endl;
for (auto &z : operators) {
auto &s = z.second;
std::cout << " " << std::left << std::setw(20) << z.first;
std::cout << std::right << std::setw(4) << s;
std::cout << std::endl;
}
std::cout << " Variables" << std::endl;
for (auto &z : variables) {
auto &s = z.second;
std::cout << " " << std::left << std::setw(20) << z.first;
std::cout << std::right << std::setw(4) << s;
std::cout << std::endl;
}
std::cout << " Operators applied to variables" << std::endl;
for (auto &z : op2var) {
auto &s = z.second;
std::cout << " " << std::left << std::setw(40) << z.first;
std::cout << std::right << std::setw(4) << s;
std::cout << std::endl;
}
total += rules.size();
}
std::cout << std::endl;
std::cout << "Total of: " << std::to_string(total) << " rules.";
std::cout << std::endl;
std::cout << std::endl;
std::cout << std::endl;
delete modsecRules;
return 0;
}
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