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Add datatypes file parsing function

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This commit is contained in:
Aleksei Nikiforov 2019-12-11 14:50:32 +03:00
parent 2875907d35
commit fef1385176
4 changed files with 107 additions and 2 deletions
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2
CMakeLists.txt
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@ -15,10 +15,12 @@ pkg_check_modules(AUPARSE auparse REQUIRED)
include_directories(${Boost_INCLUDE_DIRS} ${AUPARSE_INCLUDE_DIRS})
set(SOURCES
auditd-datatypes.cpp
auditd-plugin-clickhouse.cpp
auditd-record.cpp)
set(HEADERS
auditd-datatypes.hpp
auditd-record.hpp)
add_executable( auditd-plugin-clickhouse ${SOURCES} ${HEADERS} )

4
auditd-clickhouse-datatypes.json
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@ -150,7 +150,7 @@
{ "old_pe": "integer" },
{ "old_pi": "integer" },
{ "old_pp": "integer" },
{ "old_prom ": "integer" },
{ "old_prom": "integer" },
{ "old-range": "string" },
{ "old-rng": "string" },
{ "old-role": "string" },
@ -229,6 +229,6 @@
{ "watch": "string" }
],
"datatypes_arrays": [
{ "^a\d+$": { "type": "string", "dbname": "arg_a" } },
{ "^a\\d+$": { "type": "string", "dbname": "arg_a" } },
]
}

75
auditd-datatypes.cpp Normal file
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@ -0,0 +1,75 @@
/*
* auditd-plugin-clickhouse is an auditd plugin for sending auditd data
* to clickhouse DB.
* Copyright (C) 2019 Aleksei Nikiforov <darktemplar@basealt.ru>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*
*/
#include "auditd-datatypes.hpp"
#include <list>
#include <map>
#include <string>
#include <tuple>
#include <fstream>
#include <boost/property_tree/ptree.hpp>
#include <boost/property_tree/json_parser.hpp>
static std::map<std::string, std::string> s_datatypes_map;
static std::list<std::tuple<std::string, std::string, std::string> > s_datatype_regexps_map;
static std::map<std::string, std::function<std::shared_ptr<AbstractRecordField>(const std::string &name, auparse_state_t *record)> > s_type_creation_map;
void read_datatypes_map(const std::string &config_filename)
{
s_datatypes_map.clear();
s_datatype_regexps_map.clear();
s_type_creation_map.clear();
s_type_creation_map["integer"] = &IntegerRecordField::createRecord;
s_type_creation_map["string"] = &InterpretedStringRecordField::createRecord;
boost::property_tree::ptree clickhouse_config_tree;
{
std::ifstream stream(config_filename);
boost::property_tree::read_json(stream, clickhouse_config_tree);
}
auto datatypes_child = clickhouse_config_tree.get_child_optional("datatypes");
if (datatypes_child)
{
for (auto iter = datatypes_child->begin(); iter != datatypes_child->end(); ++iter)
{
s_datatypes_map[iter->first] = iter->second.get_value<std::string>();
}
}
auto datatypes_arrays_child = clickhouse_config_tree.get_child_optional("datatypes_arrays");
if (datatypes_arrays_child)
{
for (auto iter = datatypes_arrays_child->begin(); iter != datatypes_arrays_child->end(); ++iter)
{
auto data_type = iter->second.get_child_optional("type");
auto data_dbname = iter->second.get_child_optional("dbname");
if (data_type && data_dbname)
{
s_datatype_regexps_map.push_back(std::make_tuple(iter->first, data_type->get_value<std::string>(), data_dbname->get_value<std::string>()));
}
}
}
}

28
auditd-datatypes.hpp Normal file
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@ -0,0 +1,28 @@
/*
* auditd-plugin-clickhouse is an auditd plugin for sending auditd data
* to clickhouse DB.
* Copyright (C) 2019 Aleksei Nikiforov <darktemplar@basealt.ru>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*
*/
#ifndef AUDITD_PLUGIN_CLICKHOUSE_DATATYPES_HPP
#define AUDITD_PLUGIN_CLICKHOUSE_DATATYPES_HPP
#include "auditd-record.hpp"
void read_datatypes_map(const std::string &config_filename);
#endif /* AUDITD_PLUGIN_CLICKHOUSE_DATATYPES_HPP */