ModSecurity/src/operators/pm_from_file.cc
2025-06-19 21:49:05 +02:00

96 lines
2.5 KiB
C++

/*
* ModSecurity, http://www.modsecurity.org/
* Copyright (c) 2015 - 2021 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/operators/pm_from_file.h"
#include <string>
#include "src/operators/operator.h"
#include "src/utils/https_client.h"
#include "src/utils/system.h"
#include "src/utils/string.h"
using namespace modsecurity::utils::string;
namespace modsecurity {
namespace operators {
bool PmFromFile::isComment(const std::string &s) {
if (s.size() == 0) {
return true;
}
size_t pos = s.find("#");
if (pos != std::string::npos) {
for (int i = 0; i < pos; i++) {
if (!std::isspace(s[i])) {
return false;
}
}
} else {
return false;
}
return true;
}
bool PmFromFile::init(const std::string &config, std::string *error) {
std::vector<std::string> tokens = split(m_param, ' ');
for (const auto& token : tokens) {
if (! token.empty()) {
std::istream *iss;
if (token.compare(0, 8, "https://") == 0) {
Utils::HttpsClient client;
bool ret = client.download(token);
if (ret == false) {
error->assign(client.error);
return false;
}
iss = new std::stringstream(client.content);
} else {
std::string err;
std::string resource = utils::find_resource(token, config, &err);
iss = new std::ifstream(resource, std::ios::in);
if (((std::ifstream *)iss)->is_open() == false) {
error->assign("Failed to open file: '" + token + "'. " + err);
delete iss;
return false;
}
}
for (std::string line; std::getline(*iss, line); ) {
if (isComment(line) == false) {
acmp_add_pattern(m_p, line.c_str(), NULL, NULL, line.length());
}
}
delete iss;
}
}
while (m_p->is_failtree_done == 0) {
acmp_prepare(m_p);
}
return true;
}
} // namespace operators
} // namespace modsecurity