ModSecurity/src/variables/remote_user.cc
2017-08-27 22:06:20 -03:00

90 lines
2.2 KiB
C++

/*
* 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 "src/variables/remote_user.h"
#include <time.h>
#include <stdio.h>
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <iostream>
#include <string>
#include <vector>
#include <list>
#include <utility>
#include <memory>
#include "modsecurity/transaction.h"
#include "src/utils/base64.h"
namespace modsecurity {
namespace Variables {
void RemoteUser::evaluate(Transaction *transaction,
Rule *rule,
std::vector<const collection::Variable *> *l) {
size_t pos;
std::string base64;
collection::Variable *var;
std::string header;
std::vector<const collection::Variable *> *l2 = new std::vector<const collection::Variable *>();
transaction->m_variableRequestHeaders.resolve("authorization", l2);
if (l2->size() < 1) {
goto clear;
}
header = std::string(l2->at(0)->m_value);
if (header.compare(0, 6, "Basic ") == 0) {
base64 = std::string(header, 6, header.length());
}
base64 = Utils::Base64::decode(base64);
pos = base64.find(":");
if (pos == std::string::npos) {
goto clear;
}
transaction->m_variableRemoteUser.assign(std::string(base64, 0, pos));
var = new collection::Variable(&l2->at(0)->m_key,
&transaction->m_variableRemoteUser);
for (auto &i : l2->at(0)->m_orign) {
std::unique_ptr<VariableOrigin> origin(new VariableOrigin());
origin->m_offset = i->m_offset;
origin->m_length = i->m_length;
var->m_orign.push_back(std::move(origin));
}
l->push_back(var);
clear:
for (auto &a : *l2) {
delete a;
}
l2->clear();
delete l2;
}
} // namespace Variables
} // namespace modsecurity