ModSecurity/src/actions/ctl/rule_remove_by_id.cc
2020-11-25 10:26:00 -03:00

101 lines
2.7 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.
*
*/
#include "src/actions/ctl/rule_remove_by_id.h"
#include <iostream>
#include <string>
#include "modsecurity/transaction.h"
#include "src/utils/string.h"
namespace modsecurity {
namespace actions {
namespace ctl {
bool RuleRemoveById::init(std::string *error) {
std::string what(m_parser_payload, 15, m_parser_payload.size() - 15);
bool added = false;
std::vector<std::string> toRemove = utils::string::ssplit(what, ' ');
for (std::string &a : toRemove) {
std::string b = modsecurity::utils::string::parserSanitizer(a);
if (b.size() == 0) {
continue;
}
size_t dash = b.find('-');
if (dash != std::string::npos) {
std::string n1s = std::string(b, 0, dash);
std::string n2s = std::string(b, dash + 1, b.size() - (dash + 1));
int n1n = 0;
int n2n = 0;
try {
n1n = std::stoi(n1s);
added = true;
} catch (...) {
error->assign("Not a number: " + n1s);
return false;
}
try {
n2n = std::stoi(n2s);
added = true;
} catch (...) {
error->assign("Not a number: " + n2s);
return false;
}
if (n1n > n2n) {
error->assign("Invalid range: " + b);
return false;
}
m_ranges.push_back(std::make_pair(n1n, n2n));
added = true;
} else {
try {
int num = std::stoi(b);
m_ids.push_back(num);
added = true;
} catch (...) {
error->assign("Not a number or range: " + b);
return false;
}
}
}
if (added) {
return true;
}
error->assign("Not a number or range: " + what);
return false;
}
bool RuleRemoveById::execute(RuleWithActions *rule, Transaction *transaction) {
for (auto &i : m_ids) {
transaction->m_ruleRemoveById.push_back(i);
}
for (auto &i : m_ranges) {
transaction->m_ruleRemoveByIdRange.push_back(i);
}
return true;
}
} // namespace ctl
} // namespace actions
} // namespace modsecurity