Files
ModSecurity/src/variables/env.cc
2020-11-16 10:01:43 -03:00

66 lines
1.7 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/variables/env.h"
#include <stdlib.h>
#include <stdio.h>
#include <iostream>
#include <string>
#include <vector>
#include <list>
#include <utility>
#include <map>
#include "modsecurity/transaction.h"
extern char **environ;
namespace modsecurity {
namespace variables {
void Env::evaluate(const Transaction *transaction, VariableValues *l) const noexcept {
bool checkForKey = getVariableKey()->length() > 0;
for (char **current = environ; *current; current++) {
std::string env = std::string(*current);
size_t pos = env.find_first_of("=");
if (pos == std::string::npos) {
continue;
}
std::unique_ptr<std::string> key(new std::string(env, 0, pos));
std::unique_ptr<std::string> value(new std::string(env, pos+1, env.length() - (pos + 1)));
if (checkForKey && *key != *getVariableKey()) {
continue;
}
if (m_keyExclusion.toOmit(*key)) {
continue;
}
l->emplace_back(std::make_shared<VariableValue>(
std::move(value),
std::move(key),
getVariableKeyWithCollection()
));
}
}
} // namespace variables
} // namespace modsecurity